n:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1293.060233] lowmem_reserve[]: 0 0 1 1 1 [ 1293.064229] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1293.090082] lowmem_reserve[]: 0 0 0 0 0 [ 1293.094081] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1293.121960] lowmem_reserve[]: 0 0 0 0 0 [ 1293.125960] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1293.138158] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1293.152318] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1293.163031] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1293.178641] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1293.187487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1293.196073] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1293.204926] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1293.213503] 269 total pagecache pages [ 1293.217316] 0 pages in swap cache [ 1293.220775] Swap cache stats: add 0, delete 0, find 0/0 [ 1293.226142] Free swap = 0kB [ 1293.229161] Total swap = 0kB [ 1293.232183] 1965979 pages RAM [ 1293.235287] 0 pages HighMem/MovableOnly [ 1293.239262] 341726 pages reserved [ 1293.242715] 0 pages cma reserved [ 1293.246129] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1293.252677] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1293.262963] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1293.267751] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1293.275116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1293.284478] Call Trace: [ 1293.287068] [ 1293.289240] dump_stack+0x197/0x210 [ 1293.292901] warn_alloc.cold+0x7b/0x173 [ 1293.296892] ? zone_watermark_ok_safe+0x260/0x260 [ 1293.299065] syz-executor.3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1293.301747] ? __cpuset_node_allowed+0x136/0x540 [ 1293.312310] syz-executor.3 cpuset=syz3 mems_allowed=0-1 [ 1293.317072] ? __isolate_free_page+0x4c0/0x4c0 [ 1293.327002] ? wake_all_kswapds+0x14d/0x300 [ 1293.331333] __alloc_pages_slowpath+0x2214/0x2870 [ 1293.336188] ? warn_alloc+0x110/0x110 [ 1293.339990] ? __lock_acquire+0x6ee/0x49c0 [ 1293.344227] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1293.349763] ? should_fail+0x14d/0x85c [ 1293.353656] ? __isolate_free_page+0x4c0/0x4c0 [ 1293.358286] __alloc_pages_nodemask+0x617/0x750 [ 1293.362966] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1293.368012] ? find_held_lock+0x35/0x130 [ 1293.372130] cache_grow_begin+0x91/0x8c0 [ 1293.376317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1293.381860] ? __cpuset_node_allowed+0x136/0x540 [ 1293.386645] fallback_alloc+0x1fd/0x2d0 [ 1293.390848] ____cache_alloc_node+0x1be/0x1e0 [ 1293.395357] kmem_cache_alloc_node+0xe3/0x710 [ 1293.400061] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1293.404344] __alloc_skb+0xd5/0x5f0 [ 1293.408195] ? skb_trim+0x190/0x190 [ 1293.411822] ? kasan_check_read+0x11/0x20 [ 1293.415980] ndisc_alloc_skb+0x13c/0x340 [ 1293.420084] ndisc_send_rs+0x35f/0x6e0 [ 1293.423977] addrconf_rs_timer+0x30f/0x680 [ 1293.428640] ? ipv6_get_lladdr+0x490/0x490 [ 1293.432882] call_timer_fn+0x18d/0x720 [ 1293.436863] ? ipv6_get_lladdr+0x490/0x490 [ 1293.441110] ? process_timeout+0x40/0x40 [ 1293.445169] ? run_timer_softirq+0x644/0x16a0 [ 1293.449669] ? trace_hardirqs_on+0x67/0x220 [ 1293.454036] ? ipv6_get_lladdr+0x490/0x490 [ 1293.458272] run_timer_softirq+0x64f/0x16a0 [ 1293.462621] ? add_timer+0xbe0/0xbe0 [ 1293.466390] ? __lock_is_held+0xb6/0x140 [ 1293.470467] __do_softirq+0x25c/0x921 [ 1293.474394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1293.479935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1293.485525] irq_exit+0x180/0x1d0 [ 1293.489002] smp_apic_timer_interrupt+0x13b/0x550 [ 1293.494179] apic_timer_interrupt+0xf/0x20 [ 1293.498538] [ 1293.501172] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1293.505879] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1293.526288] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1293.534099] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1293.541413] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1293.549510] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1293.556787] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1293.564063] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1293.571375] percpu_ref_put_many+0x37/0x190 [ 1293.575747] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1293.580968] mem_cgroup_iter+0x907/0xac0 [ 1293.585038] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1293.589825] ? kasan_check_read+0x11/0x20 [ 1293.594025] ? mem_cgroup_protected+0x44/0x380 [ 1293.598912] ? vmpressure+0x19f/0x350 [ 1293.602733] shrink_node+0x402/0x1450 [ 1293.606597] ? shrink_node_memcg+0x13f0/0x13f0 [ 1293.611183] ? kvm_clock_read+0x18/0x30 [ 1293.615162] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1293.620187] ? ktime_get+0x202/0x2f0 [ 1293.624150] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1293.629694] ? __cpuset_node_allowed+0x136/0x540 [ 1293.634602] do_try_to_free_pages+0x3cb/0x11c0 [ 1293.639770] ? shrink_node+0x1450/0x1450 [ 1293.643846] try_to_free_pages+0x2ee/0x7f0 [ 1293.648247] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1293.653143] __alloc_pages_slowpath+0x990/0x2870 [ 1293.658057] ? warn_alloc+0x110/0x110 [ 1293.661872] ? __lock_is_held+0xb6/0x140 [ 1293.665970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1293.671575] ? should_fail+0x14d/0x85c [ 1293.675520] ? __might_sleep+0x95/0x190 [ 1293.679674] __alloc_pages_nodemask+0x617/0x750 [ 1293.684404] ? kasan_check_read+0x11/0x20 [ 1293.688731] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1293.693769] ? find_get_entry+0x3e1/0xa00 [ 1293.697969] ? find_get_pages_contig+0xed0/0xed0 [ 1293.702742] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1293.708439] alloc_pages_current+0x107/0x210 [ 1293.713053] __page_cache_alloc+0x2bd/0x450 [ 1293.717380] ? kasan_check_read+0x11/0x20 [ 1293.721566] filemap_fault+0xfeb/0x1f00 [ 1293.725723] ? lock_downgrade+0x880/0x880 [ 1293.729951] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1293.734869] ? lock_acquire+0x16f/0x3f0 [ 1293.738939] ? ext4_filemap_fault+0x7b/0xaf [ 1293.743849] ext4_filemap_fault+0x83/0xaf [ 1293.748221] __do_fault+0x111/0x480 [ 1293.751877] __handle_mm_fault+0x2d78/0x3f80 [ 1293.756539] ? copy_page_range+0x2030/0x2030 [ 1293.760985] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1293.766759] handle_mm_fault+0x1b5/0x690 [ 1293.770842] __do_page_fault+0x62a/0xe90 [ 1293.775444] ? vmalloc_fault+0x740/0x740 [ 1293.779624] ? trace_hardirqs_off_caller+0x65/0x220 [ 1293.785281] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1293.791001] ? page_fault+0x8/0x30 [ 1293.795336] do_page_fault+0x71/0x57d [ 1293.799886] ? page_fault+0x8/0x30 [ 1293.804072] page_fault+0x1e/0x30 [ 1293.807817] RIP: 0033:0x45b153 [ 1293.811322] Code: Bad RIP value. [ 1293.814767] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1293.820824] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1293.828304] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1293.837257] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1293.845053] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1293.853465] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1293.861070] CPU: 0 PID: 32403 Comm: syz-executor.3 Not tainted 4.19.90-syzkaller #0 [ 1293.861125] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1293.869018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1293.869024] Call Trace: [ 1293.869047] dump_stack+0x197/0x210 [ 1293.869066] warn_alloc.cold+0x7b/0x173 [ 1293.875690] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1293.884979] ? zone_watermark_ok_safe+0x260/0x260 [ 1293.887705] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1293.891514] ? __cpuset_node_allowed+0x136/0x540 [ 1293.920713] ? __isolate_free_page+0x4c0/0x4c0 [ 1293.925415] ? wake_all_kswapds+0x14d/0x300 [ 1293.930162] __alloc_pages_slowpath+0x2214/0x2870 [ 1293.935732] ? warn_alloc+0x110/0x110 [ 1293.940859] ? __lock_acquire+0x6ee/0x49c0 [ 1293.945628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1293.951172] ? should_fail+0x14d/0x85c [ 1293.955072] ? __isolate_free_page+0x4c0/0x4c0 [ 1293.959788] __alloc_pages_nodemask+0x617/0x750 [ 1293.964503] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1293.969546] ? find_held_lock+0x35/0x130 [ 1293.973618] cache_grow_begin+0x91/0x8c0 [ 1293.977686] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1293.983577] ? __cpuset_node_allowed+0x136/0x540 [ 1293.988350] fallback_alloc+0x1fd/0x2d0 [ 1293.992336] ____cache_alloc_node+0x1be/0x1e0 [ 1293.996839] kmem_cache_alloc+0x1f3/0x700 [ 1294.001001] ? finish_task_switch+0x146/0x7c0 [ 1294.006439] skb_clone+0x156/0x3e0 [ 1294.009997] bpf_clone_redirect+0xb2/0x480 [ 1294.014310] bpf_prog_eb4214e34d195ba1+0xd57/0x1000 [ 1294.019712] ? mark_held_locks+0x100/0x100 [ 1294.024472] ? __schedule+0x86e/0x1dc0 [ 1294.028480] ? lockdep_hardirqs_on+0x415/0x5d0 [ 1294.033513] ? firmware_map_remove+0x1a7/0x1a7 [ 1294.038258] ? bpf_test_run+0x146/0x430 [ 1294.042561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1294.048244] ? check_preemption_disabled+0x48/0x290 [ 1294.053456] ? lock_acquire+0x16f/0x3f0 [ 1294.057728] ? kasan_check_read+0x11/0x20 [ 1294.061894] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 1294.067269] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1294.072829] bpf_test_run+0x10d/0x430 [ 1294.076736] bpf_prog_test_run_skb+0x64b/0xb20 [ 1294.081453] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 1294.086401] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1294.092259] ? fput+0x128/0x1a0 [ 1294.095599] ? __bpf_prog_get+0x97/0x290 [ 1294.099921] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 1294.104940] bpf_prog_test_run+0x129/0x1a0 [ 1294.109302] __x64_sys_bpf+0x397/0x4c0 [ 1294.113490] ? bpf_prog_get+0x20/0x20 [ 1294.117312] ? do_syscall_64+0x26/0x620 [ 1294.121426] ? lockdep_hardirqs_on+0x415/0x5d0 [ 1294.126301] ? trace_hardirqs_on+0x67/0x220 [ 1294.130631] do_syscall_64+0xfd/0x620 [ 1294.134445] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1294.139640] RIP: 0033:0x45a919 [ 1294.142848] Code: Bad RIP value. [ 1294.146217] RSP: 002b:00007f1c0d416c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 1294.154123] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a919 [ 1294.161409] RDX: 0000000000000040 RSI: 0000000020000780 RDI: 000000000000000a [ 1294.168693] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1294.175966] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1c0d4176d4 [ 1294.183237] R13: 00000000004c0eb3 R14: 00000000004d4ae8 R15: 00000000ffffffff [ 1294.190573] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1294.198238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1294.207734] Call Trace: [ 1294.210341] [ 1294.212515] dump_stack+0x197/0x210 [ 1294.216163] warn_alloc.cold+0x7b/0x173 [ 1294.220173] ? zone_watermark_ok_safe+0x260/0x260 [ 1294.225037] ? __cpuset_node_allowed+0x136/0x540 [ 1294.229817] ? __isolate_free_page+0x4c0/0x4c0 [ 1294.234420] ? wake_all_kswapds+0x14d/0x300 [ 1294.238941] __alloc_pages_slowpath+0x2214/0x2870 [ 1294.243880] ? warn_alloc+0x110/0x110 [ 1294.247697] ? __lock_acquire+0x6ee/0x49c0 [ 1294.251948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1294.257499] ? should_fail+0x14d/0x85c [ 1294.261420] ? __isolate_free_page+0x4c0/0x4c0 [ 1294.266033] __alloc_pages_nodemask+0x617/0x750 [ 1294.270726] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1294.275772] ? find_held_lock+0x35/0x130 [ 1294.279856] cache_grow_begin+0x91/0x8c0 [ 1294.283996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1294.289552] ? __cpuset_node_allowed+0x136/0x540 [ 1294.294326] fallback_alloc+0x1fd/0x2d0 [ 1294.298325] ____cache_alloc_node+0x1be/0x1e0 [ 1294.302845] kmem_cache_alloc_node+0xe3/0x710 [ 1294.307360] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1294.311620] __alloc_skb+0xd5/0x5f0 [ 1294.315264] ? skb_trim+0x190/0x190 [ 1294.318907] ? kasan_check_read+0x11/0x20 [ 1294.323082] ndisc_alloc_skb+0x13c/0x340 [ 1294.327170] ndisc_send_rs+0x35f/0x6e0 [ 1294.331083] addrconf_rs_timer+0x30f/0x680 [ 1294.335352] ? ipv6_get_lladdr+0x490/0x490 [ 1294.339663] call_timer_fn+0x18d/0x720 [ 1294.343567] ? ipv6_get_lladdr+0x490/0x490 [ 1294.347820] ? process_timeout+0x40/0x40 [ 1294.351896] ? run_timer_softirq+0x644/0x16a0 [ 1294.356418] ? trace_hardirqs_on+0x67/0x220 [ 1294.360819] ? ipv6_get_lladdr+0x490/0x490 [ 1294.365072] run_timer_softirq+0x64f/0x16a0 [ 1294.369416] ? add_timer+0xbe0/0xbe0 [ 1294.373145] ? __lock_is_held+0xb6/0x140 [ 1294.377247] __do_softirq+0x25c/0x921 [ 1294.381068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1294.386624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1294.392250] irq_exit+0x180/0x1d0 [ 1294.395727] smp_apic_timer_interrupt+0x13b/0x550 [ 1294.400595] apic_timer_interrupt+0xf/0x20 [ 1294.404863] [ 1294.407122] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1294.411731] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1294.430660] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1294.438399] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1294.446207] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1294.453497] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1294.460789] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1294.468221] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1294.475565] percpu_ref_put_many+0x37/0x190 [ 1294.479915] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1294.485043] mem_cgroup_iter+0x907/0xac0 [ 1294.489195] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1294.493969] ? kasan_check_read+0x11/0x20 [ 1294.498151] ? mem_cgroup_protected+0x44/0x380 [ 1294.502748] ? vmpressure+0x19f/0x350 [ 1294.506571] shrink_node+0x402/0x1450 [ 1294.510409] ? shrink_node_memcg+0x13f0/0x13f0 [ 1294.515006] ? kvm_clock_read+0x18/0x30 [ 1294.519000] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1294.524033] ? ktime_get+0x202/0x2f0 [ 1294.528462] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1294.534017] ? __cpuset_node_allowed+0x136/0x540 [ 1294.538794] do_try_to_free_pages+0x3cb/0x11c0 [ 1294.543410] ? shrink_node+0x1450/0x1450 [ 1294.547500] try_to_free_pages+0x2ee/0x7f0 [ 1294.551756] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1294.556637] __alloc_pages_slowpath+0x990/0x2870 [ 1294.561430] ? warn_alloc+0x110/0x110 [ 1294.565250] ? __lock_is_held+0xb6/0x140 [ 1294.569328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1294.575026] ? should_fail+0x14d/0x85c [ 1294.578954] ? __might_sleep+0x95/0x190 [ 1294.582963] __alloc_pages_nodemask+0x617/0x750 [ 1294.587655] ? kasan_check_read+0x11/0x20 [ 1294.591824] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1294.596954] ? find_get_entry+0x3e1/0xa00 [ 1294.601125] ? find_get_pages_contig+0xed0/0xed0 [ 1294.605896] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1294.611485] alloc_pages_current+0x107/0x210 [ 1294.615915] __page_cache_alloc+0x2bd/0x450 [ 1294.620261] ? kasan_check_read+0x11/0x20 [ 1294.624431] filemap_fault+0xfeb/0x1f00 [ 1294.628437] ? lock_downgrade+0x880/0x880 [ 1294.632614] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1294.637302] ? lock_acquire+0x16f/0x3f0 [ 1294.641368] ? ext4_filemap_fault+0x7b/0xaf [ 1294.645721] ext4_filemap_fault+0x83/0xaf [ 1294.649900] __do_fault+0x111/0x480 [ 1294.653555] __handle_mm_fault+0x2d78/0x3f80 [ 1294.657997] ? copy_page_range+0x2030/0x2030 [ 1294.662447] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1294.667137] handle_mm_fault+0x1b5/0x690 [ 1294.671221] __do_page_fault+0x62a/0xe90 [ 1294.675311] ? vmalloc_fault+0x740/0x740 [ 1294.679393] ? trace_hardirqs_off_caller+0x65/0x220 [ 1294.684437] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1294.689386] ? page_fault+0x8/0x30 [ 1294.692945] do_page_fault+0x71/0x57d [ 1294.696759] ? page_fault+0x8/0x30 [ 1294.700318] page_fault+0x1e/0x30 [ 1294.703783] RIP: 0033:0x45b153 [ 1294.707000] Code: Bad RIP value. [ 1294.710371] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1294.715745] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1294.723025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1294.730309] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1294.737590] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1294.744874] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1294.752177] warn_alloc_show_mem: 2 callbacks suppressed [ 1294.752182] Mem-Info: [ 1294.760157] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1294.760157] active_file:12 inactive_file:12 isolated_file:0 [ 1294.760157] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1294.760157] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1294.760157] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1294.760157] free:10883 free_pcp:183 free_cma:0 [ 1294.793404] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1294.821191] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1294.847148] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1294.873314] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1294.878448] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1294.907340] lowmem_reserve[]: 0 0 1 1 1 [ 1294.911342] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1294.937146] lowmem_reserve[]: 0 0 0 0 0 [ 1294.941148] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1294.969821] lowmem_reserve[]: 0 0 0 0 0 [ 1294.973894] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1294.986202] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1295.000326] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1295.011050] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1295.026725] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1295.035581] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1295.044318] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1295.053343] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1295.061932] 269 total pagecache pages [ 1295.067319] 0 pages in swap cache [ 1295.070781] Swap cache stats: add 0, delete 0, find 0/0 [ 1295.076150] Free swap = 0kB [ 1295.079182] Total swap = 0kB [ 1295.082212] 1965979 pages RAM [ 1295.085323] 0 pages HighMem/MovableOnly [ 1295.089308] 341726 pages reserved [ 1295.092764] 0 pages cma reserved [ 1295.096178] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1295.102741] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1295.112972] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1295.117780] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1295.125220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1295.134582] Call Trace: [ 1295.137185] [ 1295.139362] dump_stack+0x197/0x210 [ 1295.143010] warn_alloc.cold+0x7b/0x173 [ 1295.147006] ? zone_watermark_ok_safe+0x260/0x260 [ 1295.151870] ? __cpuset_node_allowed+0x136/0x540 [ 1295.156749] ? __isolate_free_page+0x4c0/0x4c0 [ 1295.161350] ? wake_all_kswapds+0x14d/0x300 [ 1295.165698] __alloc_pages_slowpath+0x2214/0x2870 [ 1295.170592] ? warn_alloc+0x110/0x110 [ 1295.174413] ? __lock_acquire+0x6ee/0x49c0 [ 1295.178830] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1295.184520] ? should_fail+0x14d/0x85c [ 1295.188549] ? __isolate_free_page+0x4c0/0x4c0 [ 1295.193166] __alloc_pages_nodemask+0x617/0x750 [ 1295.197870] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1295.202991] ? find_held_lock+0x35/0x130 [ 1295.207087] cache_grow_begin+0x91/0x8c0 [ 1295.211171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1295.216819] ? __cpuset_node_allowed+0x136/0x540 [ 1295.221591] fallback_alloc+0x1fd/0x2d0 [ 1295.225590] ____cache_alloc_node+0x1be/0x1e0 [ 1295.230115] kmem_cache_alloc_node+0xe3/0x710 [ 1295.234674] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1295.238936] __alloc_skb+0xd5/0x5f0 [ 1295.242582] ? skb_trim+0x190/0x190 [ 1295.246225] ? kasan_check_read+0x11/0x20 [ 1295.250399] ndisc_alloc_skb+0x13c/0x340 [ 1295.254480] ndisc_send_rs+0x35f/0x6e0 [ 1295.258392] addrconf_rs_timer+0x30f/0x680 [ 1295.262648] ? ipv6_get_lladdr+0x490/0x490 [ 1295.266907] call_timer_fn+0x18d/0x720 [ 1295.270808] ? ipv6_get_lladdr+0x490/0x490 [ 1295.272037] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1295.275172] ? process_timeout+0x40/0x40 [ 1295.285601] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1295.289663] ? run_timer_softirq+0x644/0x16a0 [ 1295.299085] ? trace_hardirqs_on+0x67/0x220 [ 1295.303462] ? ipv6_get_lladdr+0x490/0x490 [ 1295.307700] run_timer_softirq+0x64f/0x16a0 [ 1295.312033] ? add_timer+0xbe0/0xbe0 [ 1295.315754] ? __lock_is_held+0xb6/0x140 [ 1295.319830] __do_softirq+0x25c/0x921 [ 1295.323630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1295.329186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1295.334874] irq_exit+0x180/0x1d0 [ 1295.338335] smp_apic_timer_interrupt+0x13b/0x550 [ 1295.343181] apic_timer_interrupt+0xf/0x20 [ 1295.347407] [ 1295.349709] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1295.354295] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1295.373324] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1295.381075] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1295.388345] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1295.395613] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1295.402885] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1295.410160] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1295.417617] percpu_ref_put_many+0x37/0x190 [ 1295.421959] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1295.427071] mem_cgroup_iter+0x907/0xac0 [ 1295.431183] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1295.436122] ? kasan_check_read+0x11/0x20 [ 1295.440276] ? mem_cgroup_protected+0x44/0x380 [ 1295.444892] ? vmpressure+0x19f/0x350 [ 1295.448703] shrink_node+0x402/0x1450 [ 1295.452520] ? shrink_node_memcg+0x13f0/0x13f0 [ 1295.457107] ? kvm_clock_read+0x18/0x30 [ 1295.461086] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1295.466138] ? ktime_get+0x202/0x2f0 [ 1295.469886] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1295.475425] ? __cpuset_node_allowed+0x136/0x540 [ 1295.480184] do_try_to_free_pages+0x3cb/0x11c0 [ 1295.484879] ? shrink_node+0x1450/0x1450 [ 1295.489066] try_to_free_pages+0x2ee/0x7f0 [ 1295.493308] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1295.498204] __alloc_pages_slowpath+0x990/0x2870 [ 1295.502979] ? warn_alloc+0x110/0x110 [ 1295.506778] ? __lock_is_held+0xb6/0x140 [ 1295.510841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1295.516377] ? should_fail+0x14d/0x85c [ 1295.520282] ? __might_sleep+0x95/0x190 [ 1295.524295] __alloc_pages_nodemask+0x617/0x750 [ 1295.529101] ? kasan_check_read+0x11/0x20 [ 1295.533271] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1295.538300] ? find_get_entry+0x3e1/0xa00 [ 1295.542475] ? find_get_pages_contig+0xed0/0xed0 [ 1295.547236] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1295.552825] alloc_pages_current+0x107/0x210 [ 1295.557246] __page_cache_alloc+0x2bd/0x450 [ 1295.561575] ? kasan_check_read+0x11/0x20 [ 1295.565792] filemap_fault+0xfeb/0x1f00 [ 1295.569775] ? lock_downgrade+0x880/0x880 [ 1295.573960] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1295.578650] ? lock_acquire+0x16f/0x3f0 [ 1295.582633] ? ext4_filemap_fault+0x7b/0xaf [ 1295.586968] ext4_filemap_fault+0x83/0xaf [ 1295.591159] __do_fault+0x111/0x480 [ 1295.594792] __handle_mm_fault+0x2d78/0x3f80 [ 1295.599206] ? copy_page_range+0x2030/0x2030 [ 1295.603627] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1295.608299] handle_mm_fault+0x1b5/0x690 [ 1295.612372] __do_page_fault+0x62a/0xe90 [ 1295.616440] ? vmalloc_fault+0x740/0x740 [ 1295.620544] ? trace_hardirqs_off_caller+0x65/0x220 [ 1295.625558] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1295.630485] ? page_fault+0x8/0x30 [ 1295.634030] do_page_fault+0x71/0x57d [ 1295.637830] ? page_fault+0x8/0x30 [ 1295.641369] page_fault+0x1e/0x30 [ 1295.644820] RIP: 0033:0x45b153 [ 1295.648059] Code: Bad RIP value. [ 1295.651421] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1295.656838] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1295.664141] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1295.671409] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1295.679720] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1295.686989] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1295.694279] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1295.694333] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1295.701476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1295.701480] Call Trace: [ 1295.701500] dump_stack+0x197/0x210 [ 1295.701518] warn_alloc.cold+0x7b/0x173 [ 1295.708067] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1295.717395] ? zone_watermark_ok_safe+0x260/0x260 [ 1295.719960] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1295.723588] ? __cpuset_node_allowed+0x136/0x540 [ 1295.752217] ? __isolate_free_page+0x4c0/0x4c0 [ 1295.756845] ? wake_all_kswapds+0x14d/0x300 [ 1295.761176] __alloc_pages_slowpath+0x2214/0x2870 [ 1295.766057] ? warn_alloc+0x110/0x110 [ 1295.769862] ? __lock_acquire+0x6ee/0x49c0 [ 1295.774095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1295.779633] ? should_fail+0x14d/0x85c [ 1295.783527] ? __isolate_free_page+0x4c0/0x4c0 [ 1295.788148] __alloc_pages_nodemask+0x617/0x750 [ 1295.792826] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1295.797886] ? find_held_lock+0x35/0x130 [ 1295.801985] cache_grow_begin+0x91/0x8c0 [ 1295.806134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1295.811673] ? __cpuset_node_allowed+0x136/0x540 [ 1295.816464] fallback_alloc+0x1fd/0x2d0 [ 1295.820446] ____cache_alloc_node+0x1be/0x1e0 [ 1295.825032] kmem_cache_alloc+0x1f3/0x700 [ 1295.829181] ? mark_held_locks+0xb1/0x100 [ 1295.833328] ? __netdev_alloc_skb+0x370/0x470 [ 1295.837824] __build_skb+0x3e/0x310 [ 1295.841452] __netdev_alloc_skb+0x2ba/0x470 [ 1295.845778] send_hsr_supervision_frame+0x110/0xf30 [ 1295.850800] ? lock_acquire+0x16f/0x3f0 [ 1295.854778] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1295.859812] hsr_announce+0x12f/0x3b0 [ 1295.863618] call_timer_fn+0x18d/0x720 [ 1295.867504] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1295.872839] ? process_timeout+0x40/0x40 [ 1295.876903] ? run_timer_softirq+0x644/0x16a0 [ 1295.881559] ? trace_hardirqs_on+0x67/0x220 [ 1295.886189] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1295.891428] run_timer_softirq+0x64f/0x16a0 [ 1295.895822] ? add_timer+0xbe0/0xbe0 [ 1295.899545] ? kvm_clock_read+0x18/0x30 [ 1295.903525] ? check_preemption_disabled+0x48/0x290 [ 1295.908547] ? sched_clock+0x2e/0x50 [ 1295.912291] __do_softirq+0x25c/0x921 [ 1295.916097] ? preempt_schedule_common+0x4f/0xe0 [ 1295.920882] ? takeover_tasklets+0x7b0/0x7b0 [ 1295.925298] run_ksoftirqd+0x8e/0x110 [ 1295.929197] smpboot_thread_fn+0x6a3/0xa30 [ 1295.933467] ? sort_range+0x30/0x30 [ 1295.937129] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1295.942668] ? __kthread_parkme+0xfb/0x1b0 [ 1295.946906] kthread+0x354/0x420 [ 1295.950277] ? sort_range+0x30/0x30 [ 1295.953957] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1295.959499] ret_from_fork+0x24/0x30 [ 1295.963230] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1295.963449] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1295.970663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1295.981012] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1295.990361] Call Trace: [ 1295.997800] [ 1295.999961] dump_stack+0x197/0x210 [ 1296.003625] warn_alloc.cold+0x7b/0x173 [ 1296.007603] ? zone_watermark_ok_safe+0x260/0x260 [ 1296.012446] ? __cpuset_node_allowed+0x136/0x540 [ 1296.017241] ? __isolate_free_page+0x4c0/0x4c0 [ 1296.021826] ? wake_all_kswapds+0x14d/0x300 [ 1296.026248] __alloc_pages_slowpath+0x2214/0x2870 [ 1296.031107] ? warn_alloc+0x110/0x110 [ 1296.035044] ? __lock_acquire+0x6ee/0x49c0 [ 1296.039290] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1296.044851] ? should_fail+0x14d/0x85c [ 1296.048751] ? __isolate_free_page+0x4c0/0x4c0 [ 1296.053353] __alloc_pages_nodemask+0x617/0x750 [ 1296.058068] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1296.063096] ? find_held_lock+0x35/0x130 [ 1296.067165] cache_grow_begin+0x91/0x8c0 [ 1296.071234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1296.076803] ? __cpuset_node_allowed+0x136/0x540 [ 1296.081597] fallback_alloc+0x1fd/0x2d0 [ 1296.085607] ____cache_alloc_node+0x1be/0x1e0 [ 1296.090105] kmem_cache_alloc_node+0xe3/0x710 [ 1296.094602] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1296.099022] __alloc_skb+0xd5/0x5f0 [ 1296.102684] ? skb_trim+0x190/0x190 [ 1296.106312] ? kasan_check_read+0x11/0x20 [ 1296.110704] ndisc_alloc_skb+0x13c/0x340 [ 1296.114771] ndisc_send_rs+0x35f/0x6e0 [ 1296.118663] addrconf_rs_timer+0x30f/0x680 [ 1296.122903] ? ipv6_get_lladdr+0x490/0x490 [ 1296.127145] call_timer_fn+0x18d/0x720 [ 1296.131037] ? ipv6_get_lladdr+0x490/0x490 [ 1296.135270] ? process_timeout+0x40/0x40 [ 1296.139329] ? run_timer_softirq+0x644/0x16a0 [ 1296.143829] ? trace_hardirqs_on+0x67/0x220 [ 1296.148152] ? ipv6_get_lladdr+0x490/0x490 [ 1296.152418] run_timer_softirq+0x64f/0x16a0 [ 1296.156744] ? add_timer+0xbe0/0xbe0 [ 1296.160462] ? __lock_is_held+0xb6/0x140 [ 1296.164533] __do_softirq+0x25c/0x921 [ 1296.168362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1296.173901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1296.179479] irq_exit+0x180/0x1d0 [ 1296.182965] smp_apic_timer_interrupt+0x13b/0x550 [ 1296.187841] apic_timer_interrupt+0xf/0x20 [ 1296.192103] [ 1296.194376] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1296.199013] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1296.217962] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1296.225933] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1296.233234] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1296.240550] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1296.247849] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1296.255133] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1296.262535] percpu_ref_put_many+0x37/0x190 [ 1296.267015] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1296.272138] mem_cgroup_iter+0x907/0xac0 [ 1296.276211] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1296.281009] ? kasan_check_read+0x11/0x20 [ 1296.285164] ? mem_cgroup_protected+0x44/0x380 [ 1296.289750] ? vmpressure+0x19f/0x350 [ 1296.293556] shrink_node+0x402/0x1450 [ 1296.297377] ? shrink_node_memcg+0x13f0/0x13f0 [ 1296.301997] ? kvm_clock_read+0x18/0x30 [ 1296.305984] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1296.311037] ? ktime_get+0x202/0x2f0 [ 1296.314754] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1296.320325] ? __cpuset_node_allowed+0x136/0x540 [ 1296.325092] do_try_to_free_pages+0x3cb/0x11c0 [ 1296.329686] ? shrink_node+0x1450/0x1450 [ 1296.333787] try_to_free_pages+0x2ee/0x7f0 [ 1296.338031] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1296.342891] __alloc_pages_slowpath+0x990/0x2870 [ 1296.347663] ? warn_alloc+0x110/0x110 [ 1296.351460] ? __lock_is_held+0xb6/0x140 [ 1296.355529] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1296.361067] ? should_fail+0x14d/0x85c [ 1296.364962] ? __might_sleep+0x95/0x190 [ 1296.368940] __alloc_pages_nodemask+0x617/0x750 [ 1296.373611] ? kasan_check_read+0x11/0x20 [ 1296.377760] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1296.382774] ? find_get_entry+0x3e1/0xa00 [ 1296.386925] ? find_get_pages_contig+0xed0/0xed0 [ 1296.391682] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1296.397253] alloc_pages_current+0x107/0x210 [ 1296.401698] __page_cache_alloc+0x2bd/0x450 [ 1296.406050] ? kasan_check_read+0x11/0x20 [ 1296.410203] filemap_fault+0xfeb/0x1f00 [ 1296.414175] ? lock_downgrade+0x880/0x880 [ 1296.418334] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1296.423007] ? lock_acquire+0x16f/0x3f0 [ 1296.427167] ? ext4_filemap_fault+0x7b/0xaf [ 1296.431557] ext4_filemap_fault+0x83/0xaf [ 1296.435717] __do_fault+0x111/0x480 [ 1296.439357] __handle_mm_fault+0x2d78/0x3f80 [ 1296.443818] ? copy_page_range+0x2030/0x2030 [ 1296.448247] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1296.452922] handle_mm_fault+0x1b5/0x690 [ 1296.457002] __do_page_fault+0x62a/0xe90 [ 1296.461080] ? vmalloc_fault+0x740/0x740 [ 1296.465144] ? trace_hardirqs_off_caller+0x65/0x220 [ 1296.470161] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1296.475102] ? page_fault+0x8/0x30 [ 1296.478649] do_page_fault+0x71/0x57d [ 1296.482486] ? page_fault+0x8/0x30 [ 1296.486027] page_fault+0x1e/0x30 [ 1296.489486] RIP: 0033:0x45b153 [ 1296.492698] Code: Bad RIP value. [ 1296.496063] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1296.501458] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1296.508757] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1296.516057] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1296.523362] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1296.530630] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1296.537937] warn_alloc_show_mem: 2 callbacks suppressed [ 1296.537943] Mem-Info: [ 1296.537954] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1296.537966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1296.543336] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1296.543336] active_file:12 inactive_file:12 isolated_file:0 [ 1296.543336] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1296.543336] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1296.543336] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1296.543336] free:10883 free_pcp:183 free_cma:0 [ 1296.545728] Call Trace: [ 1296.552967] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1296.562320] dump_stack+0x197/0x210 [ 1296.595521] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1296.598104] warn_alloc.cold+0x7b/0x173 [ 1296.625919] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1296.629566] ? zone_watermark_ok_safe+0x260/0x260 [ 1296.655388] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1296.659399] ? __cpuset_node_allowed+0x136/0x540 [ 1296.685491] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1296.690350] ? __isolate_free_page+0x4c0/0x4c0 [ 1296.695339] lowmem_reserve[]: 0 0 1 1 1 [ 1296.700132] ? wake_all_kswapds+0x14d/0x300 [ 1296.728964] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1296.733572] __alloc_pages_slowpath+0x2214/0x2870 [ 1296.737548] lowmem_reserve[]: 0 0 0 0 0 [ 1296.741927] ? warn_alloc+0x110/0x110 [ 1296.767809] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1296.772673] ? __lock_acquire+0x6ee/0x49c0 [ 1296.776734] lowmem_reserve[]: 0 0 0 0 0 [ 1296.780570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1296.808405] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1296.812657] ? should_fail+0x14d/0x85c [ 1296.816613] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1296.822162] ? __isolate_free_page+0x4c0/0x4c0 [ 1296.834296] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1296.838363] __alloc_pages_nodemask+0x617/0x750 [ 1296.852391] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1296.856982] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1296.867668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1296.872344] ? find_held_lock+0x35/0x130 [ 1296.887865] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1296.892893] cache_grow_begin+0x91/0x8c0 [ 1296.901711] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1296.905773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1296.914329] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1296.914338] 269 total pagecache pages [ 1296.918448] ? __cpuset_node_allowed+0x136/0x540 [ 1296.927273] 0 pages in swap cache [ 1296.932953] fallback_alloc+0x1fd/0x2d0 [ 1296.941530] Swap cache stats: add 0, delete 0, find 0/0 [ 1296.945342] ____cache_alloc_node+0x1be/0x1e0 [ 1296.950146] Free swap = 0kB [ 1296.953604] kmem_cache_alloc+0x1f3/0x700 [ 1296.957674] Total swap = 0kB [ 1296.957684] 1965979 pages RAM [ 1296.963067] ? mark_held_locks+0xb1/0x100 [ 1296.967543] 0 pages HighMem/MovableOnly [ 1296.970712] ? __netdev_alloc_skb+0x370/0x470 [ 1296.974854] 341726 pages reserved [ 1296.977999] __build_skb+0x3e/0x310 [ 1296.981123] 0 pages cma reserved [ 1296.985280] __netdev_alloc_skb+0x2ba/0x470 [ 1296.989296] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1296.993746] send_hsr_supervision_frame+0x110/0xf30 [ 1296.997264] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1297.000813] ? lock_acquire+0x16f/0x3f0 [ 1297.004281] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1297.008602] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1297.044015] hsr_announce+0x12f/0x3b0 [ 1297.047822] call_timer_fn+0x18d/0x720 [ 1297.051712] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1297.056937] ? process_timeout+0x40/0x40 [ 1297.061031] ? run_timer_softirq+0x644/0x16a0 [ 1297.065528] ? trace_hardirqs_on+0x67/0x220 [ 1297.069851] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1297.075043] run_timer_softirq+0x64f/0x16a0 [ 1297.079370] ? add_timer+0xbe0/0xbe0 [ 1297.083083] ? kvm_clock_read+0x18/0x30 [ 1297.087057] ? check_preemption_disabled+0x48/0x290 [ 1297.092081] ? sched_clock+0x2e/0x50 [ 1297.095805] __do_softirq+0x25c/0x921 [ 1297.099648] ? preempt_schedule_common+0x4f/0xe0 [ 1297.104761] ? takeover_tasklets+0x7b0/0x7b0 [ 1297.109168] run_ksoftirqd+0x8e/0x110 [ 1297.112971] smpboot_thread_fn+0x6a3/0xa30 [ 1297.117208] ? sort_range+0x30/0x30 [ 1297.120853] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1297.126444] ? __kthread_parkme+0xfb/0x1b0 [ 1297.130715] kthread+0x354/0x420 [ 1297.134091] ? sort_range+0x30/0x30 [ 1297.137726] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1297.143272] ret_from_fork+0x24/0x30 [ 1297.147005] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1297.147141] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1297.154411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1297.154421] Call Trace: [ 1297.154426] [ 1297.165866] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1297.175277] dump_stack+0x197/0x210 [ 1297.188583] warn_alloc.cold+0x7b/0x173 [ 1297.192595] ? zone_watermark_ok_safe+0x260/0x260 [ 1297.197437] ? __cpuset_node_allowed+0x136/0x540 [ 1297.202204] ? __isolate_free_page+0x4c0/0x4c0 [ 1297.206789] ? wake_all_kswapds+0x14d/0x300 [ 1297.211174] __alloc_pages_slowpath+0x2214/0x2870 [ 1297.216160] ? warn_alloc+0x110/0x110 [ 1297.219965] ? __lock_acquire+0x6ee/0x49c0 [ 1297.224203] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1297.229830] ? should_fail+0x14d/0x85c [ 1297.233773] ? __isolate_free_page+0x4c0/0x4c0 [ 1297.238401] __alloc_pages_nodemask+0x617/0x750 [ 1297.243075] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1297.248100] ? find_held_lock+0x35/0x130 [ 1297.252207] cache_grow_begin+0x91/0x8c0 [ 1297.256316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1297.261865] ? __cpuset_node_allowed+0x136/0x540 [ 1297.266628] fallback_alloc+0x1fd/0x2d0 [ 1297.270618] ____cache_alloc_node+0x1be/0x1e0 [ 1297.275120] kmem_cache_alloc_node+0xe3/0x710 [ 1297.279660] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1297.283901] __alloc_skb+0xd5/0x5f0 [ 1297.287566] ? skb_trim+0x190/0x190 [ 1297.291190] ? kasan_check_read+0x11/0x20 [ 1297.295347] ndisc_alloc_skb+0x13c/0x340 [ 1297.299412] ndisc_send_rs+0x35f/0x6e0 [ 1297.303344] addrconf_rs_timer+0x30f/0x680 [ 1297.307618] ? ipv6_get_lladdr+0x490/0x490 [ 1297.312029] call_timer_fn+0x18d/0x720 [ 1297.315941] ? ipv6_get_lladdr+0x490/0x490 [ 1297.320190] ? process_timeout+0x40/0x40 [ 1297.324259] ? run_timer_softirq+0x644/0x16a0 [ 1297.328798] ? trace_hardirqs_on+0x67/0x220 [ 1297.333158] ? ipv6_get_lladdr+0x490/0x490 [ 1297.337428] run_timer_softirq+0x64f/0x16a0 [ 1297.341768] ? add_timer+0xbe0/0xbe0 [ 1297.345501] ? __lock_is_held+0xb6/0x140 [ 1297.349861] __do_softirq+0x25c/0x921 [ 1297.353673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1297.359216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1297.364766] irq_exit+0x180/0x1d0 [ 1297.368225] smp_apic_timer_interrupt+0x13b/0x550 [ 1297.373072] apic_timer_interrupt+0xf/0x20 [ 1297.377308] [ 1297.379550] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1297.384137] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1297.403044] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1297.410757] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1297.418028] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1297.425330] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1297.432621] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1297.439897] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1297.447205] percpu_ref_put_many+0x37/0x190 [ 1297.451531] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1297.456758] mem_cgroup_iter+0x907/0xac0 [ 1297.460868] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1297.465748] ? kasan_check_read+0x11/0x20 [ 1297.469984] ? mem_cgroup_protected+0x44/0x380 [ 1297.474567] ? vmpressure+0x19f/0x350 [ 1297.478375] shrink_node+0x402/0x1450 [ 1297.482193] ? shrink_node_memcg+0x13f0/0x13f0 [ 1297.486794] ? kvm_clock_read+0x18/0x30 [ 1297.490770] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1297.495787] ? ktime_get+0x202/0x2f0 [ 1297.499502] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1297.505089] ? __cpuset_node_allowed+0x136/0x540 [ 1297.509850] do_try_to_free_pages+0x3cb/0x11c0 [ 1297.514445] ? shrink_node+0x1450/0x1450 [ 1297.518551] try_to_free_pages+0x2ee/0x7f0 [ 1297.522796] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1297.527661] __alloc_pages_slowpath+0x990/0x2870 [ 1297.532438] ? warn_alloc+0x110/0x110 [ 1297.536240] ? __lock_is_held+0xb6/0x140 [ 1297.540327] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1297.546025] ? should_fail+0x14d/0x85c [ 1297.549934] ? __might_sleep+0x95/0x190 [ 1297.553926] __alloc_pages_nodemask+0x617/0x750 [ 1297.558605] ? kasan_check_read+0x11/0x20 [ 1297.562759] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1297.567777] ? find_get_entry+0x3e1/0xa00 [ 1297.571929] ? find_get_pages_contig+0xed0/0xed0 [ 1297.576685] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1297.582229] alloc_pages_current+0x107/0x210 [ 1297.586639] __page_cache_alloc+0x2bd/0x450 [ 1297.590962] ? kasan_check_read+0x11/0x20 [ 1297.595116] filemap_fault+0xfeb/0x1f00 [ 1297.599224] ? lock_downgrade+0x880/0x880 [ 1297.603395] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1297.608121] ? lock_acquire+0x16f/0x3f0 [ 1297.612106] ? ext4_filemap_fault+0x7b/0xaf [ 1297.616441] ext4_filemap_fault+0x83/0xaf [ 1297.620590] __do_fault+0x111/0x480 [ 1297.624224] __handle_mm_fault+0x2d78/0x3f80 [ 1297.628642] ? copy_page_range+0x2030/0x2030 [ 1297.633065] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1297.637841] handle_mm_fault+0x1b5/0x690 [ 1297.641929] __do_page_fault+0x62a/0xe90 [ 1297.646152] ? vmalloc_fault+0x740/0x740 [ 1297.650226] ? trace_hardirqs_off_caller+0x65/0x220 [ 1297.655248] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1297.660188] ? page_fault+0x8/0x30 [ 1297.663770] do_page_fault+0x71/0x57d [ 1297.667580] ? page_fault+0x8/0x30 [ 1297.671152] page_fault+0x1e/0x30 [ 1297.674607] RIP: 0033:0x45b153 [ 1297.677836] Code: Bad RIP value. [ 1297.681203] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1297.686564] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1297.693858] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1297.701148] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1297.708437] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1297.715741] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1297.723037] warn_alloc_show_mem: 1 callbacks suppressed [ 1297.723047] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1297.723049] Mem-Info: [ 1297.723077] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1297.723077] active_file:12 inactive_file:12 isolated_file:0 [ 1297.723077] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1297.723077] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1297.723077] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1297.723077] free:10883 free_pcp:183 free_cma:0 [ 1297.728432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1297.735628] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1297.738029] Call Trace: [ 1297.771218] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1297.780562] dump_stack+0x197/0x210 [ 1297.808034] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1297.810623] warn_alloc.cold+0x7b/0x173 [ 1297.836466] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1297.840100] ? zone_watermark_ok_safe+0x260/0x260 [ 1297.866381] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1297.870365] ? __cpuset_node_allowed+0x136/0x540 [ 1297.875347] lowmem_reserve[]: 0 0 1 1 1 [ 1297.880199] ? __isolate_free_page+0x4c0/0x4c0 [ 1297.909066] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1297.913818] ? wake_all_kswapds+0x14d/0x300 [ 1297.917771] lowmem_reserve[]: 0 0 0 0 0 [ 1297.922367] __alloc_pages_slowpath+0x2214/0x2870 [ 1297.948116] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1297.952474] ? warn_alloc+0x110/0x110 [ 1297.956391] lowmem_reserve[]: 0 0 0 0 0 [ 1297.961239] ? __lock_acquire+0x6ee/0x49c0 [ 1297.989541] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1297.993337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1297.997277] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1298.001526] ? should_fail+0x14d/0x85c [ 1298.013628] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1298.019171] ? __isolate_free_page+0x4c0/0x4c0 [ 1298.033545] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1298.037448] __alloc_pages_nodemask+0x617/0x750 [ 1298.048219] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1298.052816] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1298.068324] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1298.072990] ? find_held_lock+0x35/0x130 [ 1298.081805] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1298.086810] cache_grow_begin+0x91/0x8c0 [ 1298.095356] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1298.095364] 269 total pagecache pages [ 1298.099417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1298.108233] 0 pages in swap cache [ 1298.112279] ? __cpuset_node_allowed+0x136/0x540 [ 1298.120833] Swap cache stats: add 0, delete 0, find 0/0 [ 1298.124622] fallback_alloc+0x1fd/0x2d0 [ 1298.130131] Free swap = 0kB [ 1298.133580] ____cache_alloc_node+0x1be/0x1e0 [ 1298.138309] Total swap = 0kB [ 1298.143680] kmem_cache_alloc_node+0xe3/0x710 [ 1298.147639] 1965979 pages RAM [ 1298.150666] __alloc_skb+0xd5/0x5f0 [ 1298.155127] 0 pages HighMem/MovableOnly [ 1298.155136] 341726 pages reserved [ 1298.158161] ? skb_trim+0x190/0x190 [ 1298.162630] 0 pages cma reserved [ 1298.162697] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1298.165744] ? __atomic_notifier_call_chain+0xfd/0x1a0 [ 1298.165765] __neigh_notify+0x8b/0x160 [ 1298.169413] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1298.173328] ? __neigh_event_send+0x1170/0x1170 [ 1298.176765] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1298.180381] neigh_timer_handler+0x604/0xce0 [ 1298.223507] call_timer_fn+0x18d/0x720 [ 1298.227401] ? neigh_periodic_work+0xa40/0xa40 [ 1298.231993] ? process_timeout+0x40/0x40 [ 1298.236065] ? run_timer_softirq+0x644/0x16a0 [ 1298.240559] ? trace_hardirqs_on+0x67/0x220 [ 1298.244875] ? neigh_periodic_work+0xa40/0xa40 [ 1298.249465] run_timer_softirq+0x64f/0x16a0 [ 1298.253786] ? add_timer+0xbe0/0xbe0 [ 1298.257494] ? kvm_clock_read+0x18/0x30 [ 1298.261474] ? check_preemption_disabled+0x48/0x290 [ 1298.266494] ? sched_clock+0x2e/0x50 [ 1298.270212] __do_softirq+0x25c/0x921 [ 1298.274020] ? preempt_schedule_common+0x4f/0xe0 [ 1298.279388] ? takeover_tasklets+0x7b0/0x7b0 [ 1298.283798] run_ksoftirqd+0x8e/0x110 [ 1298.287593] smpboot_thread_fn+0x6a3/0xa30 [ 1298.291827] ? sort_range+0x30/0x30 [ 1298.295456] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1298.300986] ? __kthread_parkme+0xfb/0x1b0 [ 1298.305242] kthread+0x354/0x420 [ 1298.308621] ? sort_range+0x30/0x30 [ 1298.312241] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1298.317777] ret_from_fork+0x24/0x30 [ 1298.321513] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1298.321664] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1298.328898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1298.339207] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1298.348557] Call Trace: [ 1298.355950] [ 1298.358099] dump_stack+0x197/0x210 [ 1298.361723] warn_alloc.cold+0x7b/0x173 [ 1298.365696] ? zone_watermark_ok_safe+0x260/0x260 [ 1298.370546] ? __cpuset_node_allowed+0x136/0x540 [ 1298.375316] ? __isolate_free_page+0x4c0/0x4c0 [ 1298.379893] ? wake_all_kswapds+0x14d/0x300 [ 1298.384236] __alloc_pages_slowpath+0x2214/0x2870 [ 1298.389094] ? warn_alloc+0x110/0x110 [ 1298.392891] ? __lock_acquire+0x6ee/0x49c0 [ 1298.397130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1298.402672] ? should_fail+0x14d/0x85c [ 1298.406558] ? __isolate_free_page+0x4c0/0x4c0 [ 1298.411164] __alloc_pages_nodemask+0x617/0x750 [ 1298.415852] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1298.420877] ? find_held_lock+0x35/0x130 [ 1298.424952] cache_grow_begin+0x91/0x8c0 [ 1298.429024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1298.434562] ? __cpuset_node_allowed+0x136/0x540 [ 1298.439320] fallback_alloc+0x1fd/0x2d0 [ 1298.443309] ____cache_alloc_node+0x1be/0x1e0 [ 1298.447804] kmem_cache_alloc_node+0xe3/0x710 [ 1298.452297] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1298.456557] __alloc_skb+0xd5/0x5f0 [ 1298.460179] ? skb_trim+0x190/0x190 [ 1298.463796] ? kasan_check_read+0x11/0x20 [ 1298.467945] ndisc_alloc_skb+0x13c/0x340 [ 1298.472004] ndisc_send_rs+0x35f/0x6e0 [ 1298.475890] addrconf_rs_timer+0x30f/0x680 [ 1298.480142] ? ipv6_get_lladdr+0x490/0x490 [ 1298.484388] call_timer_fn+0x18d/0x720 [ 1298.488268] ? ipv6_get_lladdr+0x490/0x490 [ 1298.492506] ? process_timeout+0x40/0x40 [ 1298.496558] ? run_timer_softirq+0x644/0x16a0 [ 1298.501062] ? trace_hardirqs_on+0x67/0x220 [ 1298.505383] ? ipv6_get_lladdr+0x490/0x490 [ 1298.509610] run_timer_softirq+0x64f/0x16a0 [ 1298.513929] ? add_timer+0xbe0/0xbe0 [ 1298.517650] ? __lock_is_held+0xb6/0x140 [ 1298.521721] __do_softirq+0x25c/0x921 [ 1298.525511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1298.531043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1298.536592] irq_exit+0x180/0x1d0 [ 1298.540040] smp_apic_timer_interrupt+0x13b/0x550 [ 1298.544889] apic_timer_interrupt+0xf/0x20 [ 1298.549123] [ 1298.551354] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1298.555930] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1298.574822] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1298.582551] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1298.589863] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1298.597132] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1298.604393] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1298.611651] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1298.618950] percpu_ref_put_many+0x37/0x190 [ 1298.623264] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1298.628360] mem_cgroup_iter+0x907/0xac0 [ 1298.632415] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1298.637161] ? kasan_check_read+0x11/0x20 [ 1298.641300] ? mem_cgroup_protected+0x44/0x380 [ 1298.645876] ? vmpressure+0x19f/0x350 [ 1298.649675] shrink_node+0x402/0x1450 [ 1298.653482] ? shrink_node_memcg+0x13f0/0x13f0 [ 1298.658058] ? kvm_clock_read+0x18/0x30 [ 1298.662027] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1298.667059] ? ktime_get+0x202/0x2f0 [ 1298.670796] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1298.676337] ? __cpuset_node_allowed+0x136/0x540 [ 1298.681114] do_try_to_free_pages+0x3cb/0x11c0 [ 1298.685708] ? shrink_node+0x1450/0x1450 [ 1298.689772] try_to_free_pages+0x2ee/0x7f0 [ 1298.694005] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1298.698877] __alloc_pages_slowpath+0x990/0x2870 [ 1298.703644] ? warn_alloc+0x110/0x110 [ 1298.707438] ? __lock_is_held+0xb6/0x140 [ 1298.711520] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1298.717068] ? should_fail+0x14d/0x85c [ 1298.720958] ? __might_sleep+0x95/0x190 [ 1298.724935] __alloc_pages_nodemask+0x617/0x750 [ 1298.729608] ? kasan_check_read+0x11/0x20 [ 1298.733752] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1298.738778] ? find_get_entry+0x3e1/0xa00 [ 1298.742924] ? find_get_pages_contig+0xed0/0xed0 [ 1298.747678] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1298.753215] alloc_pages_current+0x107/0x210 [ 1298.757637] __page_cache_alloc+0x2bd/0x450 [ 1298.761975] ? kasan_check_read+0x11/0x20 [ 1298.766276] filemap_fault+0xfeb/0x1f00 [ 1298.770255] ? lock_downgrade+0x880/0x880 [ 1298.774435] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1298.779129] ? lock_acquire+0x16f/0x3f0 [ 1298.783109] ? ext4_filemap_fault+0x7b/0xaf [ 1298.787435] ext4_filemap_fault+0x83/0xaf [ 1298.791578] __do_fault+0x111/0x480 [ 1298.795200] __handle_mm_fault+0x2d78/0x3f80 [ 1298.799625] ? copy_page_range+0x2030/0x2030 [ 1298.804150] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1298.808850] handle_mm_fault+0x1b5/0x690 [ 1298.812932] __do_page_fault+0x62a/0xe90 [ 1298.817003] ? vmalloc_fault+0x740/0x740 [ 1298.821064] ? trace_hardirqs_off_caller+0x65/0x220 [ 1298.826075] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1298.831002] ? page_fault+0x8/0x30 [ 1298.834539] do_page_fault+0x71/0x57d [ 1298.838331] ? page_fault+0x8/0x30 [ 1298.841899] page_fault+0x1e/0x30 [ 1298.845351] RIP: 0033:0x45b153 [ 1298.848561] Code: Bad RIP value. [ 1298.851925] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1298.857281] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1298.864543] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1298.871804] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1298.879066] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1298.886328] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1298.893609] warn_alloc_show_mem: 1 callbacks suppressed [ 1298.893618] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1298.893620] Mem-Info: [ 1298.893648] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1298.893648] active_file:12 inactive_file:12 isolated_file:0 [ 1298.893648] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1298.893648] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1298.893648] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1298.893648] free:10883 free_pcp:183 free_cma:0 [ 1298.898992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1298.906181] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1298.908570] Call Trace: [ 1298.941711] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1298.951050] dump_stack+0x197/0x210 [ 1298.978520] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1298.981106] warn_alloc.cold+0x7b/0x173 [ 1299.006934] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1299.010609] ? zone_watermark_ok_safe+0x260/0x260 [ 1299.036701] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1299.040678] ? __cpuset_node_allowed+0x136/0x540 [ 1299.045664] lowmem_reserve[]: 0 0 1 1 1 [ 1299.050511] ? __isolate_free_page+0x4c0/0x4c0 [ 1299.079293] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1299.084046] ? wake_all_kswapds+0x14d/0x300 [ 1299.088004] lowmem_reserve[]: 0 0 0 0 0 [ 1299.092593] __alloc_pages_slowpath+0x2214/0x2870 [ 1299.118343] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1299.122708] ? warn_alloc+0x110/0x110 [ 1299.126646] lowmem_reserve[]: 0 0 0 0 0 [ 1299.131516] ? __lock_acquire+0x6ee/0x49c0 [ 1299.159381] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1299.163195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1299.167137] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1299.171367] ? should_fail+0x14d/0x85c [ 1299.183478] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1299.189043] ? __isolate_free_page+0x4c0/0x4c0 [ 1299.203063] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1299.206971] __alloc_pages_nodemask+0x617/0x750 [ 1299.217622] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1299.222196] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1299.237694] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1299.237707] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1299.242371] ? find_held_lock+0x35/0x130 [ 1299.251188] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1299.256197] cache_grow_begin+0x91/0x8c0 [ 1299.264760] 269 total pagecache pages [ 1299.264775] 0 pages in swap cache [ 1299.273825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1299.277878] Swap cache stats: add 0, delete 0, find 0/0 [ 1299.286471] ? __cpuset_node_allowed+0x136/0x540 [ 1299.290519] Free swap = 0kB [ 1299.290527] Total swap = 0kB [ 1299.294347] fallback_alloc+0x1fd/0x2d0 [ 1299.297827] 1965979 pages RAM [ 1299.303362] ____cache_alloc_node+0x1be/0x1e0 [ 1299.308696] 0 pages HighMem/MovableOnly [ 1299.308703] 341726 pages reserved [ 1299.313472] kmem_cache_alloc_node+0xe3/0x710 [ 1299.316483] 0 pages cma reserved [ 1299.319525] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1299.323543] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1299.326618] __alloc_skb+0xd5/0x5f0 [ 1299.326634] ? skb_trim+0x190/0x190 [ 1299.331164] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1299.335103] ? kasan_check_read+0x11/0x20 [ 1299.338536] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1299.343046] ndisc_alloc_skb+0x13c/0x340 [ 1299.387607] ndisc_send_rs+0x35f/0x6e0 [ 1299.391518] addrconf_rs_timer+0x30f/0x680 [ 1299.395760] ? ipv6_get_lladdr+0x490/0x490 [ 1299.400006] call_timer_fn+0x18d/0x720 [ 1299.403911] ? ipv6_get_lladdr+0x490/0x490 [ 1299.408149] ? process_timeout+0x40/0x40 [ 1299.412207] ? run_timer_softirq+0x644/0x16a0 [ 1299.416727] ? trace_hardirqs_on+0x67/0x220 [ 1299.421056] ? ipv6_get_lladdr+0x490/0x490 [ 1299.425301] run_timer_softirq+0x64f/0x16a0 [ 1299.429628] ? add_timer+0xbe0/0xbe0 [ 1299.433350] ? kvm_clock_read+0x18/0x30 [ 1299.437328] ? check_preemption_disabled+0x48/0x290 [ 1299.442351] ? sched_clock+0x2e/0x50 [ 1299.446091] __do_softirq+0x25c/0x921 [ 1299.449887] ? preempt_schedule_common+0x4f/0xe0 [ 1299.454653] ? takeover_tasklets+0x7b0/0x7b0 [ 1299.459082] run_ksoftirqd+0x8e/0x110 [ 1299.462887] smpboot_thread_fn+0x6a3/0xa30 [ 1299.467314] ? sort_range+0x30/0x30 [ 1299.471004] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1299.476571] ? __kthread_parkme+0xfb/0x1b0 [ 1299.480827] kthread+0x354/0x420 [ 1299.484192] ? sort_range+0x30/0x30 [ 1299.487878] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1299.493445] ret_from_fork+0x24/0x30 [ 1299.497349] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1299.497454] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1299.504719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1299.504724] Call Trace: [ 1299.504731] [ 1299.504751] dump_stack+0x197/0x210 [ 1299.504767] warn_alloc.cold+0x7b/0x173 [ 1299.504783] ? zone_watermark_ok_safe+0x260/0x260 [ 1299.504799] ? __cpuset_node_allowed+0x136/0x540 [ 1299.511352] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1299.520704] ? __isolate_free_page+0x4c0/0x4c0 [ 1299.523271] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1299.525415] ? wake_all_kswapds+0x14d/0x300 [ 1299.566624] __alloc_pages_slowpath+0x2214/0x2870 [ 1299.571487] ? warn_alloc+0x110/0x110 [ 1299.576864] ? __lock_acquire+0x6ee/0x49c0 [ 1299.581100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1299.586638] ? should_fail+0x14d/0x85c [ 1299.590545] ? __isolate_free_page+0x4c0/0x4c0 [ 1299.595149] __alloc_pages_nodemask+0x617/0x750 [ 1299.599839] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1299.604981] ? find_held_lock+0x35/0x130 [ 1299.609046] cache_grow_begin+0x91/0x8c0 [ 1299.613114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1299.618741] ? __cpuset_node_allowed+0x136/0x540 [ 1299.623496] fallback_alloc+0x1fd/0x2d0 [ 1299.627485] ____cache_alloc_node+0x1be/0x1e0 [ 1299.631978] kmem_cache_alloc_node+0xe3/0x710 [ 1299.636556] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1299.640788] __alloc_skb+0xd5/0x5f0 [ 1299.644430] ? skb_trim+0x190/0x190 [ 1299.648085] ? kasan_check_read+0x11/0x20 [ 1299.652248] ndisc_alloc_skb+0x13c/0x340 [ 1299.656334] ndisc_send_rs+0x35f/0x6e0 [ 1299.660225] addrconf_rs_timer+0x30f/0x680 [ 1299.664483] ? ipv6_get_lladdr+0x490/0x490 [ 1299.668722] call_timer_fn+0x18d/0x720 [ 1299.672617] ? ipv6_get_lladdr+0x490/0x490 [ 1299.676845] ? process_timeout+0x40/0x40 [ 1299.680909] ? run_timer_softirq+0x644/0x16a0 [ 1299.685416] ? trace_hardirqs_on+0x67/0x220 [ 1299.689746] ? ipv6_get_lladdr+0x490/0x490 [ 1299.693975] run_timer_softirq+0x64f/0x16a0 [ 1299.698316] ? add_timer+0xbe0/0xbe0 [ 1299.702284] ? __lock_is_held+0xb6/0x140 [ 1299.706349] __do_softirq+0x25c/0x921 [ 1299.710141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1299.715668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1299.721203] irq_exit+0x180/0x1d0 [ 1299.724651] smp_apic_timer_interrupt+0x13b/0x550 [ 1299.729488] apic_timer_interrupt+0xf/0x20 [ 1299.733708] [ 1299.735939] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1299.740522] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1299.759416] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1299.767126] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1299.774387] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1299.781651] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1299.788912] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1299.796171] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1299.803462] percpu_ref_put_many+0x37/0x190 [ 1299.807788] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1299.812884] mem_cgroup_iter+0x907/0xac0 [ 1299.816940] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1299.821694] ? kasan_check_read+0x11/0x20 [ 1299.825832] ? mem_cgroup_protected+0x44/0x380 [ 1299.830414] ? vmpressure+0x19f/0x350 [ 1299.834222] shrink_node+0x402/0x1450 [ 1299.838029] ? shrink_node_memcg+0x13f0/0x13f0 [ 1299.842602] ? kvm_clock_read+0x18/0x30 [ 1299.846582] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1299.851592] ? ktime_get+0x202/0x2f0 [ 1299.855298] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1299.860836] ? __cpuset_node_allowed+0x136/0x540 [ 1299.865592] do_try_to_free_pages+0x3cb/0x11c0 [ 1299.870182] ? shrink_node+0x1450/0x1450 [ 1299.874255] try_to_free_pages+0x2ee/0x7f0 [ 1299.878490] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1299.883362] __alloc_pages_slowpath+0x990/0x2870 [ 1299.888135] ? warn_alloc+0x110/0x110 [ 1299.891933] ? __lock_is_held+0xb6/0x140 [ 1299.896018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1299.901556] ? should_fail+0x14d/0x85c [ 1299.905463] ? __might_sleep+0x95/0x190 [ 1299.909442] __alloc_pages_nodemask+0x617/0x750 [ 1299.914120] ? kasan_check_read+0x11/0x20 [ 1299.918268] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1299.923279] ? find_get_entry+0x3e1/0xa00 [ 1299.927427] ? find_get_pages_contig+0xed0/0xed0 [ 1299.932177] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1299.937711] alloc_pages_current+0x107/0x210 [ 1299.942125] __page_cache_alloc+0x2bd/0x450 [ 1299.946438] ? kasan_check_read+0x11/0x20 [ 1299.950581] filemap_fault+0xfeb/0x1f00 [ 1299.954551] ? lock_downgrade+0x880/0x880 [ 1299.958701] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1299.963366] ? lock_acquire+0x16f/0x3f0 [ 1299.967337] ? ext4_filemap_fault+0x7b/0xaf [ 1299.971661] ext4_filemap_fault+0x83/0xaf [ 1299.975810] __do_fault+0x111/0x480 [ 1299.979446] __handle_mm_fault+0x2d78/0x3f80 [ 1299.983851] ? copy_page_range+0x2030/0x2030 [ 1299.988266] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1299.992933] handle_mm_fault+0x1b5/0x690 [ 1299.996992] __do_page_fault+0x62a/0xe90 [ 1300.001052] ? vmalloc_fault+0x740/0x740 [ 1300.005107] ? trace_hardirqs_off_caller+0x65/0x220 [ 1300.010113] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1300.015038] ? page_fault+0x8/0x30 [ 1300.018573] do_page_fault+0x71/0x57d [ 1300.022380] ? page_fault+0x8/0x30 [ 1300.025925] page_fault+0x1e/0x30 [ 1300.029372] RIP: 0033:0x45b153 [ 1300.032570] Code: Bad RIP value. [ 1300.035921] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1300.041295] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1300.048555] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1300.055816] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1300.063078] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1300.070336] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1300.077635] warn_alloc_show_mem: 1 callbacks suppressed [ 1300.077645] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1300.077647] Mem-Info: [ 1300.077676] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1300.077676] active_file:12 inactive_file:12 isolated_file:0 [ 1300.077676] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1300.077676] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1300.077676] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1300.077676] free:10883 free_pcp:183 free_cma:0 [ 1300.083016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1300.090201] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1300.092590] Call Trace: [ 1300.125742] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1300.135074] dump_stack+0x197/0x210 [ 1300.162543] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1300.165142] warn_alloc.cold+0x7b/0x173 [ 1300.190980] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1300.194627] ? zone_watermark_ok_safe+0x260/0x260 [ 1300.220906] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1300.224893] ? __cpuset_node_allowed+0x136/0x540 [ 1300.229886] lowmem_reserve[]: 0 0 1 1 1 [ 1300.234740] ? __isolate_free_page+0x4c0/0x4c0 [ 1300.263520] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1300.268277] ? wake_all_kswapds+0x14d/0x300 [ 1300.272232] lowmem_reserve[]: 0 0 0 0 0 [ 1300.276819] __alloc_pages_slowpath+0x2214/0x2870 [ 1300.302550] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1300.306884] ? warn_alloc+0x110/0x110 [ 1300.310814] lowmem_reserve[]: 0 0 0 0 0 [ 1300.315651] ? __lock_acquire+0x6ee/0x49c0 [ 1300.343466] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1300.347276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1300.351340] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1300.355580] ? should_fail+0x14d/0x85c [ 1300.367708] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1300.373271] ? __isolate_free_page+0x4c0/0x4c0 [ 1300.387282] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1300.391175] __alloc_pages_nodemask+0x617/0x750 [ 1300.401822] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1300.406416] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1300.421926] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1300.426590] ? find_held_lock+0x35/0x130 [ 1300.435416] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1300.440433] cache_grow_begin+0x91/0x8c0 [ 1300.448987] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1300.453045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1300.461871] 269 total pagecache pages [ 1300.465921] ? __cpuset_node_allowed+0x136/0x540 [ 1300.474484] 0 pages in swap cache [ 1300.480008] fallback_alloc+0x1fd/0x2d0 [ 1300.483780] Swap cache stats: add 0, delete 0, find 0/0 [ 1300.483788] Free swap = 0kB [ 1300.488537] ____cache_alloc_node+0x1be/0x1e0 [ 1300.492053] Total swap = 0kB [ 1300.492062] 1965979 pages RAM [ 1300.496047] kmem_cache_alloc_node+0xe3/0x710 [ 1300.501400] 0 pages HighMem/MovableOnly [ 1300.504413] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1300.508889] 341726 pages reserved [ 1300.508901] 0 pages cma reserved [ 1300.511919] __alloc_skb+0xd5/0x5f0 [ 1300.515052] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1300.519492] ? skb_trim+0x190/0x190 [ 1300.523502] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1300.527683] ? kasan_check_read+0x11/0x20 [ 1300.531110] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1300.534476] ndisc_alloc_skb+0x13c/0x340 [ 1300.571305] ndisc_send_rs+0x35f/0x6e0 [ 1300.575212] addrconf_rs_timer+0x30f/0x680 [ 1300.579463] ? ipv6_get_lladdr+0x490/0x490 [ 1300.583724] call_timer_fn+0x18d/0x720 [ 1300.587624] ? ipv6_get_lladdr+0x490/0x490 [ 1300.591881] ? process_timeout+0x40/0x40 [ 1300.595941] ? run_timer_softirq+0x644/0x16a0 [ 1300.600442] ? trace_hardirqs_on+0x67/0x220 [ 1300.604764] ? ipv6_get_lladdr+0x490/0x490 [ 1300.608994] run_timer_softirq+0x64f/0x16a0 [ 1300.613316] ? add_timer+0xbe0/0xbe0 [ 1300.617022] ? kvm_clock_read+0x18/0x30 [ 1300.620993] ? check_preemption_disabled+0x48/0x290 [ 1300.626980] ? sched_clock+0x2e/0x50 [ 1300.630699] __do_softirq+0x25c/0x921 [ 1300.634496] ? preempt_schedule_common+0x4f/0xe0 [ 1300.639251] ? takeover_tasklets+0x7b0/0x7b0 [ 1300.643652] run_ksoftirqd+0x8e/0x110 [ 1300.647457] smpboot_thread_fn+0x6a3/0xa30 [ 1300.651685] ? sort_range+0x30/0x30 [ 1300.655303] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1300.660831] ? __kthread_parkme+0xfb/0x1b0 [ 1300.665063] kthread+0x354/0x420 [ 1300.668421] ? sort_range+0x30/0x30 [ 1300.672039] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1300.677577] ret_from_fork+0x24/0x30 [ 1300.681299] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1300.681372] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1300.688682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1300.688686] Call Trace: [ 1300.688692] [ 1300.688708] dump_stack+0x197/0x210 [ 1300.688726] warn_alloc.cold+0x7b/0x173 [ 1300.695270] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1300.704557] ? zone_watermark_ok_safe+0x260/0x260 [ 1300.707117] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1300.709263] ? __cpuset_node_allowed+0x136/0x540 [ 1300.741521] ? __isolate_free_page+0x4c0/0x4c0 [ 1300.746096] ? wake_all_kswapds+0x14d/0x300 [ 1300.750417] __alloc_pages_slowpath+0x2214/0x2870 [ 1300.755269] ? warn_alloc+0x110/0x110 [ 1300.759063] ? __lock_acquire+0x6ee/0x49c0 [ 1300.763292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1300.768832] ? should_fail+0x14d/0x85c [ 1300.772736] ? __isolate_free_page+0x4c0/0x4c0 [ 1300.777318] __alloc_pages_nodemask+0x617/0x750 [ 1300.781999] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1300.787015] ? find_held_lock+0x35/0x130 [ 1300.791071] cache_grow_begin+0x91/0x8c0 [ 1300.795124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1300.800660] ? __cpuset_node_allowed+0x136/0x540 [ 1300.805411] fallback_alloc+0x1fd/0x2d0 [ 1300.809383] ____cache_alloc_node+0x1be/0x1e0 [ 1300.813884] kmem_cache_alloc_node+0xe3/0x710 [ 1300.818373] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1300.822619] __alloc_skb+0xd5/0x5f0 [ 1300.826240] ? skb_trim+0x190/0x190 [ 1300.829860] ? kasan_check_read+0x11/0x20 [ 1300.834007] ndisc_alloc_skb+0x13c/0x340 [ 1300.838062] ndisc_send_rs+0x35f/0x6e0 [ 1300.841958] addrconf_rs_timer+0x30f/0x680 [ 1300.846189] ? ipv6_get_lladdr+0x490/0x490 [ 1300.850422] call_timer_fn+0x18d/0x720 [ 1300.854301] ? ipv6_get_lladdr+0x490/0x490 [ 1300.858540] ? process_timeout+0x40/0x40 [ 1300.862603] ? run_timer_softirq+0x644/0x16a0 [ 1300.867094] ? trace_hardirqs_on+0x67/0x220 [ 1300.871412] ? ipv6_get_lladdr+0x490/0x490 [ 1300.875650] run_timer_softirq+0x64f/0x16a0 [ 1300.879970] ? add_timer+0xbe0/0xbe0 [ 1300.883677] ? __lock_is_held+0xb6/0x140 [ 1300.887740] __do_softirq+0x25c/0x921 [ 1300.891529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1300.897059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1300.902598] irq_exit+0x180/0x1d0 [ 1300.906063] smp_apic_timer_interrupt+0x13b/0x550 [ 1300.910912] apic_timer_interrupt+0xf/0x20 [ 1300.915145] [ 1300.917375] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1300.921950] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1300.940842] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1300.948557] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1300.955832] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1300.963098] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1300.970480] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1300.977752] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1300.985069] percpu_ref_put_many+0x37/0x190 [ 1300.989389] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1300.994489] mem_cgroup_iter+0x907/0xac0 [ 1300.998551] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1301.003306] ? kasan_check_read+0x11/0x20 [ 1301.007475] ? mem_cgroup_protected+0x44/0x380 [ 1301.012049] ? vmpressure+0x19f/0x350 [ 1301.015848] shrink_node+0x402/0x1450 [ 1301.019656] ? shrink_node_memcg+0x13f0/0x13f0 [ 1301.024230] ? kvm_clock_read+0x18/0x30 [ 1301.028196] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1301.033209] ? ktime_get+0x202/0x2f0 [ 1301.036916] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1301.042443] ? __cpuset_node_allowed+0x136/0x540 [ 1301.047195] do_try_to_free_pages+0x3cb/0x11c0 [ 1301.051891] ? shrink_node+0x1450/0x1450 [ 1301.055964] try_to_free_pages+0x2ee/0x7f0 [ 1301.060206] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1301.065058] __alloc_pages_slowpath+0x990/0x2870 [ 1301.070086] ? warn_alloc+0x110/0x110 [ 1301.073881] ? __lock_is_held+0xb6/0x140 [ 1301.077950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1301.083479] ? should_fail+0x14d/0x85c [ 1301.087370] ? __might_sleep+0x95/0x190 [ 1301.091344] __alloc_pages_nodemask+0x617/0x750 [ 1301.096006] ? kasan_check_read+0x11/0x20 [ 1301.100161] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1301.105168] ? find_get_entry+0x3e1/0xa00 [ 1301.109315] ? find_get_pages_contig+0xed0/0xed0 [ 1301.114062] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1301.119605] alloc_pages_current+0x107/0x210 [ 1301.124018] __page_cache_alloc+0x2bd/0x450 [ 1301.128334] ? kasan_check_read+0x11/0x20 [ 1301.132478] filemap_fault+0xfeb/0x1f00 [ 1301.136443] ? lock_downgrade+0x880/0x880 [ 1301.140592] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1301.145258] ? lock_acquire+0x16f/0x3f0 [ 1301.149228] ? ext4_filemap_fault+0x7b/0xaf [ 1301.153551] ext4_filemap_fault+0x83/0xaf [ 1301.157689] __do_fault+0x111/0x480 [ 1301.161310] __handle_mm_fault+0x2d78/0x3f80 [ 1301.165720] ? copy_page_range+0x2030/0x2030 [ 1301.170134] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1301.174797] handle_mm_fault+0x1b5/0x690 [ 1301.178868] __do_page_fault+0x62a/0xe90 [ 1301.183041] ? vmalloc_fault+0x740/0x740 [ 1301.187107] ? trace_hardirqs_off_caller+0x65/0x220 [ 1301.192113] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1301.197033] ? page_fault+0x8/0x30 [ 1301.200581] do_page_fault+0x71/0x57d [ 1301.204375] ? page_fault+0x8/0x30 [ 1301.207910] page_fault+0x1e/0x30 [ 1301.211364] RIP: 0033:0x45b153 [ 1301.214559] Code: Bad RIP value. [ 1301.217912] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1301.223266] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1301.230547] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1301.237807] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1301.245071] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1301.252331] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1301.259608] warn_alloc_show_mem: 1 callbacks suppressed [ 1301.259617] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1301.259619] Mem-Info: [ 1301.259648] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1301.259648] active_file:12 inactive_file:12 isolated_file:0 [ 1301.259648] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1301.259648] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1301.259648] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1301.259648] free:10883 free_pcp:183 free_cma:0 [ 1301.265000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1301.272204] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1301.274617] Call Trace: [ 1301.307868] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1301.317216] dump_stack+0x197/0x210 [ 1301.344684] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1301.347270] warn_alloc.cold+0x7b/0x173 [ 1301.373185] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1301.376817] ? zone_watermark_ok_safe+0x260/0x260 [ 1301.402897] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1301.406868] ? __cpuset_node_allowed+0x136/0x540 [ 1301.411871] lowmem_reserve[]: 0 0 1 1 1 [ 1301.416718] ? __isolate_free_page+0x4c0/0x4c0 [ 1301.445511] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1301.450277] ? wake_all_kswapds+0x14d/0x300 [ 1301.454212] lowmem_reserve[]: 0 0 0 0 0 [ 1301.458815] __alloc_pages_slowpath+0x2214/0x2870 [ 1301.484545] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1301.488881] ? warn_alloc+0x110/0x110 [ 1301.492809] lowmem_reserve[]: 0 0 0 0 0 [ 1301.497654] ? __lock_acquire+0x6ee/0x49c0 [ 1301.525472] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1301.529267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1301.533212] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1301.537438] ? should_fail+0x14d/0x85c [ 1301.549554] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1301.555096] ? __isolate_free_page+0x4c0/0x4c0 [ 1301.569129] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1301.573019] __alloc_pages_nodemask+0x617/0x750 [ 1301.583663] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1301.588238] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1301.603736] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1301.603749] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1301.608421] ? find_held_lock+0x35/0x130 [ 1301.617258] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1301.617268] 269 total pagecache pages [ 1301.622293] cache_grow_begin+0x91/0x8c0 [ 1301.630858] 0 pages in swap cache [ 1301.639704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1301.643753] Swap cache stats: add 0, delete 0, find 0/0 [ 1301.652441] ? __cpuset_node_allowed+0x136/0x540 [ 1301.656229] Free swap = 0kB [ 1301.660302] fallback_alloc+0x1fd/0x2d0 [ 1301.663747] Total swap = 0kB [ 1301.669501] ____cache_alloc_node+0x1be/0x1e0 [ 1301.674843] 1965979 pages RAM [ 1301.679610] kmem_cache_alloc_node+0xe3/0x710 [ 1301.682601] 0 pages HighMem/MovableOnly [ 1301.686580] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1301.689571] 341726 pages reserved [ 1301.694063] __alloc_skb+0xd5/0x5f0 [ 1301.697140] 0 pages cma reserved [ 1301.701622] ? skb_trim+0x190/0x190 [ 1301.705630] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1301.709795] ? kasan_check_read+0x11/0x20 [ 1301.709820] ndisc_alloc_skb+0x13c/0x340 [ 1301.713290] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1301.716861] ndisc_send_rs+0x35f/0x6e0 [ 1301.720200] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1301.723821] addrconf_rs_timer+0x30f/0x680 [ 1301.761491] ? ipv6_get_lladdr+0x490/0x490 [ 1301.765726] call_timer_fn+0x18d/0x720 [ 1301.769604] ? ipv6_get_lladdr+0x490/0x490 [ 1301.773835] ? process_timeout+0x40/0x40 [ 1301.777889] ? run_timer_softirq+0x644/0x16a0 [ 1301.782380] ? trace_hardirqs_on+0x67/0x220 [ 1301.786712] ? ipv6_get_lladdr+0x490/0x490 [ 1301.790938] run_timer_softirq+0x64f/0x16a0 [ 1301.795254] ? add_timer+0xbe0/0xbe0 [ 1301.798960] ? kvm_clock_read+0x18/0x30 [ 1301.802938] ? check_preemption_disabled+0x48/0x290 [ 1301.807946] ? sched_clock+0x2e/0x50 [ 1301.811662] __do_softirq+0x25c/0x921 [ 1301.815456] ? preempt_schedule_common+0x4f/0xe0 [ 1301.820212] ? takeover_tasklets+0x7b0/0x7b0 [ 1301.824614] run_ksoftirqd+0x8e/0x110 [ 1301.828408] smpboot_thread_fn+0x6a3/0xa30 [ 1301.832638] ? sort_range+0x30/0x30 [ 1301.836257] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1301.841787] ? __kthread_parkme+0xfb/0x1b0 [ 1301.846019] kthread+0x354/0x420 [ 1301.849376] ? sort_range+0x30/0x30 [ 1301.852995] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1301.858611] ret_from_fork+0x24/0x30 [ 1301.862334] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1301.862398] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1301.869703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1301.869707] Call Trace: [ 1301.869713] [ 1301.869729] dump_stack+0x197/0x210 [ 1301.869746] warn_alloc.cold+0x7b/0x173 [ 1301.876284] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1301.885567] ? zone_watermark_ok_safe+0x260/0x260 [ 1301.888124] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1301.890264] ? __cpuset_node_allowed+0x136/0x540 [ 1301.922507] ? __isolate_free_page+0x4c0/0x4c0 [ 1301.927086] ? wake_all_kswapds+0x14d/0x300 [ 1301.931407] __alloc_pages_slowpath+0x2214/0x2870 [ 1301.936261] ? warn_alloc+0x110/0x110 [ 1301.940054] ? __lock_acquire+0x6ee/0x49c0 [ 1301.944294] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1301.949842] ? should_fail+0x14d/0x85c [ 1301.953728] ? __isolate_free_page+0x4c0/0x4c0 [ 1301.958329] __alloc_pages_nodemask+0x617/0x750 [ 1301.963010] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1301.968027] ? find_held_lock+0x35/0x130 [ 1301.972086] cache_grow_begin+0x91/0x8c0 [ 1301.976141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1301.981672] ? __cpuset_node_allowed+0x136/0x540 [ 1301.986422] fallback_alloc+0x1fd/0x2d0 [ 1301.990394] ____cache_alloc_node+0x1be/0x1e0 [ 1301.994888] kmem_cache_alloc_node+0xe3/0x710 [ 1301.999376] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1302.003609] __alloc_skb+0xd5/0x5f0 [ 1302.007230] ? skb_trim+0x190/0x190 [ 1302.010864] ? kasan_check_read+0x11/0x20 [ 1302.015026] ndisc_alloc_skb+0x13c/0x340 [ 1302.019084] ndisc_send_rs+0x35f/0x6e0 [ 1302.022968] addrconf_rs_timer+0x30f/0x680 [ 1302.027213] ? ipv6_get_lladdr+0x490/0x490 [ 1302.031446] call_timer_fn+0x18d/0x720 [ 1302.035348] ? ipv6_get_lladdr+0x490/0x490 [ 1302.039593] ? process_timeout+0x40/0x40 [ 1302.043684] ? run_timer_softirq+0x644/0x16a0 [ 1302.048203] ? trace_hardirqs_on+0x67/0x220 [ 1302.052531] ? ipv6_get_lladdr+0x490/0x490 [ 1302.056764] run_timer_softirq+0x64f/0x16a0 [ 1302.061088] ? add_timer+0xbe0/0xbe0 [ 1302.064799] ? __lock_is_held+0xb6/0x140 [ 1302.068867] __do_softirq+0x25c/0x921 [ 1302.072662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1302.078205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1302.083746] irq_exit+0x180/0x1d0 [ 1302.087193] smp_apic_timer_interrupt+0x13b/0x550 [ 1302.092041] apic_timer_interrupt+0xf/0x20 [ 1302.096262] [ 1302.098493] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1302.103066] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1302.121959] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1302.129659] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1302.136918] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1302.144177] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1302.151456] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1302.158718] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1302.166005] percpu_ref_put_many+0x37/0x190 [ 1302.170341] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1302.175456] mem_cgroup_iter+0x907/0xac0 [ 1302.179515] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1302.184272] ? kasan_check_read+0x11/0x20 [ 1302.188420] ? mem_cgroup_protected+0x44/0x380 [ 1302.192993] ? vmpressure+0x19f/0x350 [ 1302.196789] shrink_node+0x402/0x1450 [ 1302.200594] ? shrink_node_memcg+0x13f0/0x13f0 [ 1302.205178] ? kvm_clock_read+0x18/0x30 [ 1302.209144] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1302.214151] ? ktime_get+0x202/0x2f0 [ 1302.217860] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1302.223387] ? __cpuset_node_allowed+0x136/0x540 [ 1302.228139] do_try_to_free_pages+0x3cb/0x11c0 [ 1302.232732] ? shrink_node+0x1450/0x1450 [ 1302.236793] try_to_free_pages+0x2ee/0x7f0 [ 1302.241027] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1302.245876] __alloc_pages_slowpath+0x990/0x2870 [ 1302.250641] ? warn_alloc+0x110/0x110 [ 1302.254446] ? __lock_is_held+0xb6/0x140 [ 1302.258503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1302.264040] ? should_fail+0x14d/0x85c [ 1302.267933] ? __might_sleep+0x95/0x190 [ 1302.271902] __alloc_pages_nodemask+0x617/0x750 [ 1302.276564] ? kasan_check_read+0x11/0x20 [ 1302.280710] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1302.285717] ? find_get_entry+0x3e1/0xa00 [ 1302.289971] ? find_get_pages_contig+0xed0/0xed0 [ 1302.294719] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1302.300252] alloc_pages_current+0x107/0x210 [ 1302.304664] __page_cache_alloc+0x2bd/0x450 [ 1302.308980] ? kasan_check_read+0x11/0x20 [ 1302.313123] filemap_fault+0xfeb/0x1f00 [ 1302.317091] ? lock_downgrade+0x880/0x880 [ 1302.321240] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1302.325919] ? lock_acquire+0x16f/0x3f0 [ 1302.329885] ? ext4_filemap_fault+0x7b/0xaf [ 1302.334209] ext4_filemap_fault+0x83/0xaf [ 1302.338349] __do_fault+0x111/0x480 [ 1302.341995] __handle_mm_fault+0x2d78/0x3f80 [ 1302.346422] ? copy_page_range+0x2030/0x2030 [ 1302.350857] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1302.355536] handle_mm_fault+0x1b5/0x690 [ 1302.359598] __do_page_fault+0x62a/0xe90 [ 1302.363690] ? vmalloc_fault+0x740/0x740 [ 1302.367753] ? trace_hardirqs_off_caller+0x65/0x220 [ 1302.372786] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1302.377727] ? page_fault+0x8/0x30 [ 1302.381269] do_page_fault+0x71/0x57d [ 1302.385064] ? page_fault+0x8/0x30 [ 1302.388597] page_fault+0x1e/0x30 [ 1302.392055] RIP: 0033:0x45b153 [ 1302.395267] Code: Bad RIP value. [ 1302.398622] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1302.403976] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1302.411323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1302.418596] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1302.425858] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1302.433133] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1302.440429] warn_alloc_show_mem: 1 callbacks suppressed [ 1302.440440] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1302.440442] Mem-Info: [ 1302.440470] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1302.440470] active_file:12 inactive_file:12 isolated_file:0 [ 1302.440470] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1302.440470] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1302.440470] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1302.440470] free:10883 free_pcp:183 free_cma:0 [ 1302.445815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1302.453003] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1302.455499] Call Trace: [ 1302.488638] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1302.497975] dump_stack+0x197/0x210 [ 1302.525481] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1302.528097] warn_alloc.cold+0x7b/0x173 [ 1302.553934] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1302.557569] ? zone_watermark_ok_safe+0x260/0x260 [ 1302.583659] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1302.587645] ? __cpuset_node_allowed+0x136/0x540 [ 1302.592638] lowmem_reserve[]: 0 0 1 1 1 [ 1302.597498] ? __isolate_free_page+0x4c0/0x4c0 [ 1302.626283] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1302.631039] ? wake_all_kswapds+0x14d/0x300 [ 1302.634996] lowmem_reserve[]: 0 0 0 0 0 [ 1302.639579] __alloc_pages_slowpath+0x2214/0x2870 [ 1302.665328] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1302.669680] ? warn_alloc+0x110/0x110 [ 1302.673602] lowmem_reserve[]: 0 0 0 0 0 [ 1302.678444] ? __lock_acquire+0x6ee/0x49c0 [ 1302.706266] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1302.710078] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1302.714035] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1302.718264] ? should_fail+0x14d/0x85c [ 1302.730383] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1302.735957] ? __isolate_free_page+0x4c0/0x4c0 [ 1302.750101] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1302.754020] __alloc_pages_nodemask+0x617/0x750 [ 1302.764651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1302.769223] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1302.784808] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1302.789471] ? find_held_lock+0x35/0x130 [ 1302.799061] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1302.804079] cache_grow_begin+0x91/0x8c0 [ 1302.812901] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1302.812909] 269 total pagecache pages [ 1302.816964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1302.825797] 0 pages in swap cache [ 1302.829845] ? __cpuset_node_allowed+0x136/0x540 [ 1302.838415] Swap cache stats: add 0, delete 0, find 0/0 [ 1302.842203] fallback_alloc+0x1fd/0x2d0 [ 1302.847714] Free swap = 0kB [ 1302.851165] ____cache_alloc_node+0x1be/0x1e0 [ 1302.855886] Total swap = 0kB [ 1302.855894] 1965979 pages RAM [ 1302.861266] kmem_cache_alloc_node+0xe3/0x710 [ 1302.865216] 0 pages HighMem/MovableOnly [ 1302.868226] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1302.872704] 341726 pages reserved [ 1302.872711] 0 pages cma reserved [ 1302.875730] __alloc_skb+0xd5/0x5f0 [ 1302.878859] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1302.883291] ? skb_trim+0x190/0x190 [ 1302.887315] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1302.891482] ? kasan_check_read+0x11/0x20 [ 1302.894910] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1302.898275] ndisc_alloc_skb+0x13c/0x340 [ 1302.935113] ndisc_send_rs+0x35f/0x6e0 [ 1302.939017] addrconf_rs_timer+0x30f/0x680 [ 1302.943251] ? ipv6_get_lladdr+0x490/0x490 [ 1302.947486] call_timer_fn+0x18d/0x720 [ 1302.951367] ? ipv6_get_lladdr+0x490/0x490 [ 1302.955604] ? process_timeout+0x40/0x40 [ 1302.959656] ? run_timer_softirq+0x644/0x16a0 [ 1302.964148] ? trace_hardirqs_on+0x67/0x220 [ 1302.968478] ? ipv6_get_lladdr+0x490/0x490 [ 1302.972711] run_timer_softirq+0x64f/0x16a0 [ 1302.977033] ? add_timer+0xbe0/0xbe0 [ 1302.980739] ? kvm_clock_read+0x18/0x30 [ 1302.984708] ? check_preemption_disabled+0x48/0x290 [ 1302.989718] ? sched_clock+0x2e/0x50 [ 1302.993435] __do_softirq+0x25c/0x921 [ 1302.997247] ? preempt_schedule_common+0x4f/0xe0 [ 1303.002005] ? takeover_tasklets+0x7b0/0x7b0 [ 1303.006406] run_ksoftirqd+0x8e/0x110 [ 1303.010199] smpboot_thread_fn+0x6a3/0xa30 [ 1303.014543] ? sort_range+0x30/0x30 [ 1303.018164] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1303.023695] ? __kthread_parkme+0xfb/0x1b0 [ 1303.027926] kthread+0x354/0x420 [ 1303.031287] ? sort_range+0x30/0x30 [ 1303.034908] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1303.040438] ret_from_fork+0x24/0x30 [ 1303.044170] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1303.044232] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1303.051538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1303.051543] Call Trace: [ 1303.051549] [ 1303.051565] dump_stack+0x197/0x210 [ 1303.051583] warn_alloc.cold+0x7b/0x173 [ 1303.058128] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1303.067411] ? zone_watermark_ok_safe+0x260/0x260 [ 1303.069986] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1303.072129] ? __cpuset_node_allowed+0x136/0x540 [ 1303.104443] ? __isolate_free_page+0x4c0/0x4c0 [ 1303.109219] ? wake_all_kswapds+0x14d/0x300 [ 1303.113725] __alloc_pages_slowpath+0x2214/0x2870 [ 1303.118607] ? warn_alloc+0x110/0x110 [ 1303.122408] ? __lock_acquire+0x6ee/0x49c0 [ 1303.126657] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1303.132197] ? should_fail+0x14d/0x85c [ 1303.136086] ? __isolate_free_page+0x4c0/0x4c0 [ 1303.140678] __alloc_pages_nodemask+0x617/0x750 [ 1303.145366] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1303.150385] ? find_held_lock+0x35/0x130 [ 1303.154447] cache_grow_begin+0x91/0x8c0 [ 1303.158513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1303.164041] ? __cpuset_node_allowed+0x136/0x540 [ 1303.168792] fallback_alloc+0x1fd/0x2d0 [ 1303.172761] ____cache_alloc_node+0x1be/0x1e0 [ 1303.177254] kmem_cache_alloc_node+0xe3/0x710 [ 1303.181743] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1303.185975] __alloc_skb+0xd5/0x5f0 [ 1303.189598] ? skb_trim+0x190/0x190 [ 1303.193230] ? kasan_check_read+0x11/0x20 [ 1303.197378] ndisc_alloc_skb+0x13c/0x340 [ 1303.201446] ndisc_send_rs+0x35f/0x6e0 [ 1303.205328] addrconf_rs_timer+0x30f/0x680 [ 1303.209559] ? ipv6_get_lladdr+0x490/0x490 [ 1303.213791] call_timer_fn+0x18d/0x720 [ 1303.217673] ? ipv6_get_lladdr+0x490/0x490 [ 1303.221907] ? process_timeout+0x40/0x40 [ 1303.225977] ? run_timer_softirq+0x644/0x16a0 [ 1303.230467] ? trace_hardirqs_on+0x67/0x220 [ 1303.234794] ? ipv6_get_lladdr+0x490/0x490 [ 1303.239021] run_timer_softirq+0x64f/0x16a0 [ 1303.243342] ? add_timer+0xbe0/0xbe0 [ 1303.247061] ? __lock_is_held+0xb6/0x140 [ 1303.251128] __do_softirq+0x25c/0x921 [ 1303.254918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1303.260448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1303.265987] irq_exit+0x180/0x1d0 [ 1303.269432] smp_apic_timer_interrupt+0x13b/0x550 [ 1303.274283] apic_timer_interrupt+0xf/0x20 [ 1303.278506] [ 1303.280737] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1303.285314] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1303.304216] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1303.311924] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1303.319185] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1303.326473] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1303.333732] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1303.340991] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1303.348279] percpu_ref_put_many+0x37/0x190 [ 1303.352594] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1303.357690] mem_cgroup_iter+0x907/0xac0 [ 1303.361753] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1303.366503] ? kasan_check_read+0x11/0x20 [ 1303.370658] ? mem_cgroup_protected+0x44/0x380 [ 1303.375235] ? vmpressure+0x19f/0x350 [ 1303.379034] shrink_node+0x402/0x1450 [ 1303.382843] ? shrink_node_memcg+0x13f0/0x13f0 [ 1303.387414] ? kvm_clock_read+0x18/0x30 [ 1303.391382] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1303.396388] ? ktime_get+0x202/0x2f0 [ 1303.400101] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1303.405655] ? __cpuset_node_allowed+0x136/0x540 [ 1303.410435] do_try_to_free_pages+0x3cb/0x11c0 [ 1303.415050] ? shrink_node+0x1450/0x1450 [ 1303.419122] try_to_free_pages+0x2ee/0x7f0 [ 1303.423373] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1303.428248] __alloc_pages_slowpath+0x990/0x2870 [ 1303.433031] ? warn_alloc+0x110/0x110 [ 1303.436837] ? __lock_is_held+0xb6/0x140 [ 1303.440911] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1303.446443] ? should_fail+0x14d/0x85c [ 1303.450337] ? __might_sleep+0x95/0x190 [ 1303.454316] __alloc_pages_nodemask+0x617/0x750 [ 1303.458990] ? kasan_check_read+0x11/0x20 [ 1303.463152] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1303.468183] ? find_get_entry+0x3e1/0xa00 [ 1303.472332] ? find_get_pages_contig+0xed0/0xed0 [ 1303.477082] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1303.482631] alloc_pages_current+0x107/0x210 [ 1303.487048] __page_cache_alloc+0x2bd/0x450 [ 1303.491362] ? kasan_check_read+0x11/0x20 [ 1303.495512] filemap_fault+0xfeb/0x1f00 [ 1303.499480] ? lock_downgrade+0x880/0x880 [ 1303.503627] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1303.508291] ? lock_acquire+0x16f/0x3f0 [ 1303.512260] ? ext4_filemap_fault+0x7b/0xaf [ 1303.516593] ext4_filemap_fault+0x83/0xaf [ 1303.520734] __do_fault+0x111/0x480 [ 1303.524358] __handle_mm_fault+0x2d78/0x3f80 [ 1303.528763] ? copy_page_range+0x2030/0x2030 [ 1303.533181] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1303.537856] handle_mm_fault+0x1b5/0x690 [ 1303.541925] __do_page_fault+0x62a/0xe90 [ 1303.545983] ? vmalloc_fault+0x740/0x740 [ 1303.550037] ? trace_hardirqs_off_caller+0x65/0x220 [ 1303.555064] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1303.559988] ? page_fault+0x8/0x30 [ 1303.563525] do_page_fault+0x71/0x57d [ 1303.567318] ? page_fault+0x8/0x30 [ 1303.570851] page_fault+0x1e/0x30 [ 1303.574293] RIP: 0033:0x45b153 [ 1303.577490] Code: Bad RIP value. [ 1303.580846] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1303.586214] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1303.593505] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1303.600796] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1303.608076] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1303.615345] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1303.622633] warn_alloc_show_mem: 1 callbacks suppressed [ 1303.622643] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1303.622644] Mem-Info: [ 1303.622674] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1303.622674] active_file:12 inactive_file:12 isolated_file:0 [ 1303.622674] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1303.622674] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1303.622674] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1303.622674] free:10883 free_pcp:183 free_cma:0 [ 1303.628017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1303.635214] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1303.637616] Call Trace: [ 1303.670769] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1303.680107] dump_stack+0x197/0x210 [ 1303.708364] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1303.710954] warn_alloc.cold+0x7b/0x173 [ 1303.736779] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1303.740411] ? zone_watermark_ok_safe+0x260/0x260 [ 1303.766504] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1303.770476] ? __cpuset_node_allowed+0x136/0x540 [ 1303.775463] lowmem_reserve[]: 0 0 1 1 1 [ 1303.780319] ? __isolate_free_page+0x4c0/0x4c0 [ 1303.809175] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1303.814035] ? wake_all_kswapds+0x14d/0x300 [ 1303.817975] lowmem_reserve[]: 0 0 0 0 0 [ 1303.822562] __alloc_pages_slowpath+0x2214/0x2870 [ 1303.848325] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1303.852678] ? warn_alloc+0x110/0x110 [ 1303.856613] lowmem_reserve[]: 0 0 0 0 0 [ 1303.861464] ? __lock_acquire+0x6ee/0x49c0 [ 1303.889283] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1303.893091] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1303.897040] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1303.901267] ? should_fail+0x14d/0x85c [ 1303.913382] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1303.918924] ? __isolate_free_page+0x4c0/0x4c0 [ 1303.932939] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1303.936841] __alloc_pages_nodemask+0x617/0x750 [ 1303.947503] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1303.952074] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1303.967572] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1303.972236] ? find_held_lock+0x35/0x130 [ 1303.981061] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1303.986066] cache_grow_begin+0x91/0x8c0 [ 1303.994642] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1303.998691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1304.007500] 269 total pagecache pages [ 1304.011563] ? __cpuset_node_allowed+0x136/0x540 [ 1304.020131] 0 pages in swap cache [ 1304.025654] fallback_alloc+0x1fd/0x2d0 [ 1304.029437] Swap cache stats: add 0, delete 0, find 0/0 [ 1304.034197] ____cache_alloc_node+0x1be/0x1e0 [ 1304.037630] Free swap = 0kB [ 1304.037638] Total swap = 0kB [ 1304.041606] kmem_cache_alloc_node+0xe3/0x710 [ 1304.046955] 1965979 pages RAM [ 1304.051454] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1304.054455] 0 pages HighMem/MovableOnly [ 1304.054462] 341726 pages reserved [ 1304.057479] __alloc_skb+0xd5/0x5f0 [ 1304.061944] 0 pages cma reserved [ 1304.065049] ? skb_trim+0x190/0x190 [ 1304.069314] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1304.073217] ? kasan_check_read+0x11/0x20 [ 1304.073242] ndisc_alloc_skb+0x13c/0x340 [ 1304.076748] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1304.080315] ndisc_send_rs+0x35f/0x6e0 [ 1304.083655] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1304.087280] addrconf_rs_timer+0x30f/0x680 [ 1304.124967] ? ipv6_get_lladdr+0x490/0x490 [ 1304.129209] call_timer_fn+0x18d/0x720 [ 1304.133090] ? ipv6_get_lladdr+0x490/0x490 [ 1304.137319] ? process_timeout+0x40/0x40 [ 1304.141371] ? run_timer_softirq+0x644/0x16a0 [ 1304.145877] ? trace_hardirqs_on+0x67/0x220 [ 1304.150193] ? ipv6_get_lladdr+0x490/0x490 [ 1304.154420] run_timer_softirq+0x64f/0x16a0 [ 1304.158741] ? add_timer+0xbe0/0xbe0 [ 1304.162446] ? kvm_clock_read+0x18/0x30 [ 1304.166420] ? check_preemption_disabled+0x48/0x290 [ 1304.171431] ? sched_clock+0x2e/0x50 [ 1304.175150] __do_softirq+0x25c/0x921 [ 1304.178964] ? preempt_schedule_common+0x4f/0xe0 [ 1304.183784] ? takeover_tasklets+0x7b0/0x7b0 [ 1304.188216] run_ksoftirqd+0x8e/0x110 [ 1304.192029] smpboot_thread_fn+0x6a3/0xa30 [ 1304.196263] ? sort_range+0x30/0x30 [ 1304.199887] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1304.205426] ? __kthread_parkme+0xfb/0x1b0 [ 1304.209671] kthread+0x354/0x420 [ 1304.213044] ? sort_range+0x30/0x30 [ 1304.216665] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1304.222197] ret_from_fork+0x24/0x30 [ 1304.225923] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1304.225989] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1304.233293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1304.239865] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1304.249110] Call Trace: [ 1304.259406] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1304.261987] [ 1304.268962] dump_stack+0x197/0x210 [ 1304.272586] warn_alloc.cold+0x7b/0x173 [ 1304.276566] ? zone_watermark_ok_safe+0x260/0x260 [ 1304.281405] ? __cpuset_node_allowed+0x136/0x540 [ 1304.286160] ? __isolate_free_page+0x4c0/0x4c0 [ 1304.290744] ? wake_all_kswapds+0x14d/0x300 [ 1304.295078] __alloc_pages_slowpath+0x2214/0x2870 [ 1304.299931] ? warn_alloc+0x110/0x110 [ 1304.303726] ? __lock_acquire+0x6ee/0x49c0 [ 1304.307954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1304.313530] ? should_fail+0x14d/0x85c [ 1304.317431] ? __isolate_free_page+0x4c0/0x4c0 [ 1304.322026] __alloc_pages_nodemask+0x617/0x750 [ 1304.326694] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1304.331727] ? find_held_lock+0x35/0x130 [ 1304.335790] cache_grow_begin+0x91/0x8c0 [ 1304.339864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1304.345392] ? __cpuset_node_allowed+0x136/0x540 [ 1304.350140] fallback_alloc+0x1fd/0x2d0 [ 1304.354111] ____cache_alloc_node+0x1be/0x1e0 [ 1304.358688] kmem_cache_alloc_node+0xe3/0x710 [ 1304.363178] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1304.367413] __alloc_skb+0xd5/0x5f0 [ 1304.371033] ? skb_trim+0x190/0x190 [ 1304.374659] ? kasan_check_read+0x11/0x20 [ 1304.378806] ndisc_alloc_skb+0x13c/0x340 [ 1304.382865] ndisc_send_rs+0x35f/0x6e0 [ 1304.386748] addrconf_rs_timer+0x30f/0x680 [ 1304.390980] ? ipv6_get_lladdr+0x490/0x490 [ 1304.395218] call_timer_fn+0x18d/0x720 [ 1304.399101] ? ipv6_get_lladdr+0x490/0x490 [ 1304.403326] ? process_timeout+0x40/0x40 [ 1304.407377] ? run_timer_softirq+0x644/0x16a0 [ 1304.411872] ? trace_hardirqs_on+0x67/0x220 [ 1304.416189] ? ipv6_get_lladdr+0x490/0x490 [ 1304.420427] run_timer_softirq+0x64f/0x16a0 [ 1304.424762] ? add_timer+0xbe0/0xbe0 [ 1304.428475] ? __lock_is_held+0xb6/0x140 [ 1304.432549] __do_softirq+0x25c/0x921 [ 1304.436350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1304.441888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1304.447436] irq_exit+0x180/0x1d0 [ 1304.450898] smp_apic_timer_interrupt+0x13b/0x550 [ 1304.455736] apic_timer_interrupt+0xf/0x20 [ 1304.459972] [ 1304.462206] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1304.466783] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1304.485693] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1304.493395] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1304.500670] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1304.507951] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1304.515244] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1304.522524] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1304.529842] percpu_ref_put_many+0x37/0x190 [ 1304.534180] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1304.540773] mem_cgroup_iter+0x907/0xac0 [ 1304.544834] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1304.549584] ? kasan_check_read+0x11/0x20 [ 1304.553725] ? mem_cgroup_protected+0x44/0x380 [ 1304.558298] ? vmpressure+0x19f/0x350 [ 1304.562098] shrink_node+0x402/0x1450 [ 1304.565908] ? shrink_node_memcg+0x13f0/0x13f0 [ 1304.570481] ? kvm_clock_read+0x18/0x30 [ 1304.574461] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1304.579475] ? ktime_get+0x202/0x2f0 [ 1304.583195] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1304.588726] ? __cpuset_node_allowed+0x136/0x540 [ 1304.593483] do_try_to_free_pages+0x3cb/0x11c0 [ 1304.598089] ? shrink_node+0x1450/0x1450 [ 1304.602159] try_to_free_pages+0x2ee/0x7f0 [ 1304.606401] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1304.611264] __alloc_pages_slowpath+0x990/0x2870 [ 1304.616051] ? warn_alloc+0x110/0x110 [ 1304.619849] ? __lock_is_held+0xb6/0x140 [ 1304.623908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1304.629450] ? should_fail+0x14d/0x85c [ 1304.633342] ? __might_sleep+0x95/0x190 [ 1304.637315] __alloc_pages_nodemask+0x617/0x750 [ 1304.641993] ? kasan_check_read+0x11/0x20 [ 1304.646162] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1304.651192] ? find_get_entry+0x3e1/0xa00 [ 1304.655344] ? find_get_pages_contig+0xed0/0xed0 [ 1304.660128] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1304.665685] alloc_pages_current+0x107/0x210 [ 1304.670114] __page_cache_alloc+0x2bd/0x450 [ 1304.674446] ? kasan_check_read+0x11/0x20 [ 1304.678602] filemap_fault+0xfeb/0x1f00 [ 1304.682583] ? lock_downgrade+0x880/0x880 [ 1304.686774] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1304.691457] ? lock_acquire+0x16f/0x3f0 [ 1304.695429] ? ext4_filemap_fault+0x7b/0xaf [ 1304.699775] ext4_filemap_fault+0x83/0xaf [ 1304.704362] __do_fault+0x111/0x480 [ 1304.708004] __handle_mm_fault+0x2d78/0x3f80 [ 1304.712421] ? copy_page_range+0x2030/0x2030 [ 1304.716857] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1304.721538] handle_mm_fault+0x1b5/0x690 [ 1304.725630] __do_page_fault+0x62a/0xe90 [ 1304.729695] ? vmalloc_fault+0x740/0x740 [ 1304.733768] ? trace_hardirqs_off_caller+0x65/0x220 [ 1304.738798] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1304.743733] ? page_fault+0x8/0x30 [ 1304.747291] do_page_fault+0x71/0x57d [ 1304.751095] ? page_fault+0x8/0x30 [ 1304.754658] page_fault+0x1e/0x30 [ 1304.758117] RIP: 0033:0x45b153 [ 1304.761344] Code: Bad RIP value. [ 1304.764715] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1304.770085] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1304.777470] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1304.784748] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1304.792034] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1304.799444] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1304.806852] warn_alloc_show_mem: 1 callbacks suppressed [ 1304.806863] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1304.806864] Mem-Info: [ 1304.806894] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1304.806894] active_file:12 inactive_file:12 isolated_file:0 [ 1304.806894] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1304.806894] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1304.806894] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1304.806894] free:10883 free_pcp:183 free_cma:0 [ 1304.812238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1304.819430] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1304.821823] Call Trace: [ 1304.854982] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1304.864337] dump_stack+0x197/0x210 [ 1304.891826] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1304.894491] warn_alloc.cold+0x7b/0x173 [ 1304.920349] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1304.923986] ? zone_watermark_ok_safe+0x260/0x260 [ 1304.950080] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1304.954064] ? __cpuset_node_allowed+0x136/0x540 [ 1304.959050] lowmem_reserve[]: 0 0 1 1 1 [ 1304.963926] ? __isolate_free_page+0x4c0/0x4c0 [ 1304.992718] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1304.997488] ? wake_all_kswapds+0x14d/0x300 [ 1305.001443] lowmem_reserve[]: 0 0 0 0 0 [ 1305.006067] __alloc_pages_slowpath+0x2214/0x2870 [ 1305.031910] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1305.036283] ? warn_alloc+0x110/0x110 [ 1305.040217] lowmem_reserve[]: 0 0 0 0 0 [ 1305.045061] ? __lock_acquire+0x6ee/0x49c0 [ 1305.072906] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1305.076720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1305.080664] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1305.084916] ? should_fail+0x14d/0x85c [ 1305.097050] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1305.102600] ? __isolate_free_page+0x4c0/0x4c0 [ 1305.116624] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1305.120516] __alloc_pages_nodemask+0x617/0x750 [ 1305.131156] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1305.135731] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1305.151245] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1305.156003] ? find_held_lock+0x35/0x130 [ 1305.164825] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1305.169839] cache_grow_begin+0x91/0x8c0 [ 1305.178410] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1305.182474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1305.191299] 269 total pagecache pages [ 1305.195363] ? __cpuset_node_allowed+0x136/0x540 [ 1305.203950] 0 pages in swap cache [ 1305.203958] Swap cache stats: add 0, delete 0, find 0/0 [ 1305.203963] Free swap = 0kB [ 1305.203967] Total swap = 0kB [ 1305.203976] 1965979 pages RAM [ 1305.209549] fallback_alloc+0x1fd/0x2d0 [ 1305.213333] 0 pages HighMem/MovableOnly [ 1305.218112] ____cache_alloc_node+0x1be/0x1e0 [ 1305.221534] 341726 pages reserved [ 1305.221543] 0 pages cma reserved [ 1305.226911] kmem_cache_alloc_node+0xe3/0x710 [ 1305.229957] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1305.232927] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1305.236098] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1305.239995] __alloc_skb+0xd5/0x5f0 [ 1305.243955] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1305.248512] ? skb_trim+0x190/0x190 [ 1305.292742] ? kasan_check_read+0x11/0x20 [ 1305.296900] ndisc_alloc_skb+0x13c/0x340 [ 1305.300980] ndisc_send_rs+0x35f/0x6e0 [ 1305.304871] addrconf_rs_timer+0x30f/0x680 [ 1305.309128] ? ipv6_get_lladdr+0x490/0x490 [ 1305.313383] call_timer_fn+0x18d/0x720 [ 1305.317284] ? ipv6_get_lladdr+0x490/0x490 [ 1305.321523] ? process_timeout+0x40/0x40 [ 1305.325580] ? run_timer_softirq+0x644/0x16a0 [ 1305.330082] ? trace_hardirqs_on+0x67/0x220 [ 1305.334476] ? ipv6_get_lladdr+0x490/0x490 [ 1305.338714] run_timer_softirq+0x64f/0x16a0 [ 1305.343043] ? add_timer+0xbe0/0xbe0 [ 1305.346765] ? kvm_clock_read+0x18/0x30 [ 1305.350745] ? check_preemption_disabled+0x48/0x290 [ 1305.355784] ? sched_clock+0x2e/0x50 [ 1305.359549] __do_softirq+0x25c/0x921 [ 1305.363374] ? preempt_schedule_common+0x4f/0xe0 [ 1305.368142] ? takeover_tasklets+0x7b0/0x7b0 [ 1305.372554] run_ksoftirqd+0x8e/0x110 [ 1305.376368] smpboot_thread_fn+0x6a3/0xa30 [ 1305.380599] ? sort_range+0x30/0x30 [ 1305.384220] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1305.389764] ? __kthread_parkme+0xfb/0x1b0 [ 1305.394004] kthread+0x354/0x420 [ 1305.397383] ? sort_range+0x30/0x30 [ 1305.401006] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1305.406536] ret_from_fork+0x24/0x30 [ 1305.410259] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1305.410325] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1305.417619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1305.417624] Call Trace: [ 1305.417630] [ 1305.417646] dump_stack+0x197/0x210 [ 1305.417664] warn_alloc.cold+0x7b/0x173 [ 1305.424207] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1305.433525] ? zone_watermark_ok_safe+0x260/0x260 [ 1305.436094] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1305.438240] ? __cpuset_node_allowed+0x136/0x540 [ 1305.470507] ? __isolate_free_page+0x4c0/0x4c0 [ 1305.475098] ? wake_all_kswapds+0x14d/0x300 [ 1305.479420] __alloc_pages_slowpath+0x2214/0x2870 [ 1305.484287] ? warn_alloc+0x110/0x110 [ 1305.488080] ? __lock_acquire+0x6ee/0x49c0 [ 1305.492306] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1305.497832] ? should_fail+0x14d/0x85c [ 1305.501712] ? __isolate_free_page+0x4c0/0x4c0 [ 1305.506296] __alloc_pages_nodemask+0x617/0x750 [ 1305.510961] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1305.515979] ? find_held_lock+0x35/0x130 [ 1305.520035] cache_grow_begin+0x91/0x8c0 [ 1305.524089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1305.529617] ? __cpuset_node_allowed+0x136/0x540 [ 1305.534365] fallback_alloc+0x1fd/0x2d0 [ 1305.538335] ____cache_alloc_node+0x1be/0x1e0 [ 1305.542823] kmem_cache_alloc_node+0xe3/0x710 [ 1305.547312] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1305.551546] __alloc_skb+0xd5/0x5f0 [ 1305.555179] ? skb_trim+0x190/0x190 [ 1305.558795] ? kasan_check_read+0x11/0x20 [ 1305.562943] ndisc_alloc_skb+0x13c/0x340 [ 1305.567003] ndisc_send_rs+0x35f/0x6e0 [ 1305.570899] addrconf_rs_timer+0x30f/0x680 [ 1305.575134] ? ipv6_get_lladdr+0x490/0x490 [ 1305.579417] call_timer_fn+0x18d/0x720 [ 1305.583334] ? ipv6_get_lladdr+0x490/0x490 [ 1305.587564] ? process_timeout+0x40/0x40 [ 1305.591622] ? run_timer_softirq+0x644/0x16a0 [ 1305.596142] ? trace_hardirqs_on+0x67/0x220 [ 1305.600478] ? ipv6_get_lladdr+0x490/0x490 [ 1305.604712] run_timer_softirq+0x64f/0x16a0 [ 1305.609043] ? add_timer+0xbe0/0xbe0 [ 1305.612768] ? __lock_is_held+0xb6/0x140 [ 1305.616837] __do_softirq+0x25c/0x921 [ 1305.620633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1305.626164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1305.631704] irq_exit+0x180/0x1d0 [ 1305.635160] smp_apic_timer_interrupt+0x13b/0x550 [ 1305.640011] apic_timer_interrupt+0xf/0x20 [ 1305.645725] [ 1305.647967] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1305.652555] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1305.671455] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1305.679160] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1305.686420] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1305.693682] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1305.700954] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1305.708213] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1305.715506] percpu_ref_put_many+0x37/0x190 [ 1305.719833] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1305.724941] mem_cgroup_iter+0x907/0xac0 [ 1305.728996] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1305.733743] ? kasan_check_read+0x11/0x20 [ 1305.737883] ? mem_cgroup_protected+0x44/0x380 [ 1305.742456] ? vmpressure+0x19f/0x350 [ 1305.746270] shrink_node+0x402/0x1450 [ 1305.750088] ? shrink_node_memcg+0x13f0/0x13f0 [ 1305.754679] ? kvm_clock_read+0x18/0x30 [ 1305.758662] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1305.763693] ? ktime_get+0x202/0x2f0 [ 1305.767418] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1305.772966] ? __cpuset_node_allowed+0x136/0x540 [ 1305.777727] do_try_to_free_pages+0x3cb/0x11c0 [ 1305.782320] ? shrink_node+0x1450/0x1450 [ 1305.786381] try_to_free_pages+0x2ee/0x7f0 [ 1305.790614] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1305.795477] __alloc_pages_slowpath+0x990/0x2870 [ 1305.800241] ? warn_alloc+0x110/0x110 [ 1305.804035] ? __lock_is_held+0xb6/0x140 [ 1305.808089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1305.813617] ? should_fail+0x14d/0x85c [ 1305.817516] ? __might_sleep+0x95/0x190 [ 1305.821585] __alloc_pages_nodemask+0x617/0x750 [ 1305.826246] ? kasan_check_read+0x11/0x20 [ 1305.830391] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1305.835400] ? find_get_entry+0x3e1/0xa00 [ 1305.839546] ? find_get_pages_contig+0xed0/0xed0 [ 1305.844305] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1305.849836] alloc_pages_current+0x107/0x210 [ 1305.854250] __page_cache_alloc+0x2bd/0x450 [ 1305.858564] ? kasan_check_read+0x11/0x20 [ 1305.862716] filemap_fault+0xfeb/0x1f00 [ 1305.866684] ? lock_downgrade+0x880/0x880 [ 1305.870832] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1305.875497] ? lock_acquire+0x16f/0x3f0 [ 1305.879466] ? ext4_filemap_fault+0x7b/0xaf [ 1305.883789] ext4_filemap_fault+0x83/0xaf [ 1305.887933] __do_fault+0x111/0x480 [ 1305.891569] __handle_mm_fault+0x2d78/0x3f80 [ 1305.895978] ? copy_page_range+0x2030/0x2030 [ 1305.900392] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1305.905057] handle_mm_fault+0x1b5/0x690 [ 1305.909117] __do_page_fault+0x62a/0xe90 [ 1305.913214] ? vmalloc_fault+0x740/0x740 [ 1305.917283] ? trace_hardirqs_off_caller+0x65/0x220 [ 1305.922321] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1305.927254] ? page_fault+0x8/0x30 [ 1305.930793] do_page_fault+0x71/0x57d [ 1305.934586] ? page_fault+0x8/0x30 [ 1305.938132] page_fault+0x1e/0x30 [ 1305.941577] RIP: 0033:0x45b153 [ 1305.944775] Code: Bad RIP value. [ 1305.948390] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1305.953752] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1305.961014] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1305.968374] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1305.975637] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1305.982896] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1305.990311] warn_alloc_show_mem: 1 callbacks suppressed [ 1305.990321] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1305.990323] Mem-Info: [ 1305.990353] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1305.990353] active_file:12 inactive_file:12 isolated_file:0 [ 1305.990353] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1305.990353] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1305.990353] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1305.990353] free:10883 free_pcp:183 free_cma:0 [ 1305.995708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1306.002925] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1306.005339] Call Trace: [ 1306.038483] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1306.047822] dump_stack+0x197/0x210 [ 1306.075391] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1306.077991] warn_alloc.cold+0x7b/0x173 [ 1306.103821] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1306.107444] ? zone_watermark_ok_safe+0x260/0x260 [ 1306.133520] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1306.137524] ? __cpuset_node_allowed+0x136/0x540 [ 1306.142508] lowmem_reserve[]: 0 0 1 1 1 [ 1306.147374] ? __isolate_free_page+0x4c0/0x4c0 [ 1306.176142] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1306.180931] ? wake_all_kswapds+0x14d/0x300 [ 1306.184884] lowmem_reserve[]: 0 0 0 0 0 [ 1306.189485] __alloc_pages_slowpath+0x2214/0x2870 [ 1306.215221] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1306.219560] ? warn_alloc+0x110/0x110 [ 1306.223486] lowmem_reserve[]: 0 0 0 0 0 [ 1306.228338] ? __lock_acquire+0x6ee/0x49c0 [ 1306.256156] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1306.259954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1306.263904] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1306.268133] ? should_fail+0x14d/0x85c [ 1306.280331] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1306.285879] ? __isolate_free_page+0x4c0/0x4c0 [ 1306.299897] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1306.303802] __alloc_pages_nodemask+0x617/0x750 [ 1306.314448] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1306.319022] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1306.334527] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1306.334542] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1306.339221] ? find_held_lock+0x35/0x130 [ 1306.348031] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1306.348039] 269 total pagecache pages [ 1306.353049] cache_grow_begin+0x91/0x8c0 [ 1306.361602] 0 pages in swap cache [ 1306.370440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1306.374477] Swap cache stats: add 0, delete 0, find 0/0 [ 1306.383037] ? __cpuset_node_allowed+0x136/0x540 [ 1306.386816] Free swap = 0kB [ 1306.390868] fallback_alloc+0x1fd/0x2d0 [ 1306.394292] Total swap = 0kB [ 1306.394304] 1965979 pages RAM [ 1306.399936] ____cache_alloc_node+0x1be/0x1e0 [ 1306.405269] 0 pages HighMem/MovableOnly [ 1306.405276] 341726 pages reserved [ 1306.410049] kmem_cache_alloc_node+0xe3/0x710 [ 1306.413044] 0 pages cma reserved [ 1306.417010] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1306.420062] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1306.423108] __alloc_skb+0xd5/0x5f0 [ 1306.427682] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1306.431559] ? skb_trim+0x190/0x190 [ 1306.435011] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1306.439508] ? kasan_check_read+0x11/0x20 [ 1306.479857] ndisc_alloc_skb+0x13c/0x340 [ 1306.483931] ndisc_send_rs+0x35f/0x6e0 [ 1306.487833] addrconf_rs_timer+0x30f/0x680 [ 1306.492082] ? ipv6_get_lladdr+0x490/0x490 [ 1306.496321] call_timer_fn+0x18d/0x720 [ 1306.500217] ? ipv6_get_lladdr+0x490/0x490 [ 1306.504467] ? process_timeout+0x40/0x40 [ 1306.508523] ? run_timer_softirq+0x644/0x16a0 [ 1306.513015] ? trace_hardirqs_on+0x67/0x220 [ 1306.517346] ? ipv6_get_lladdr+0x490/0x490 [ 1306.521585] run_timer_softirq+0x64f/0x16a0 [ 1306.525908] ? add_timer+0xbe0/0xbe0 [ 1306.529614] ? kvm_clock_read+0x18/0x30 [ 1306.533597] ? check_preemption_disabled+0x48/0x290 [ 1306.538605] ? sched_clock+0x2e/0x50 [ 1306.542327] __do_softirq+0x25c/0x921 [ 1306.546149] ? preempt_schedule_common+0x4f/0xe0 [ 1306.550916] ? takeover_tasklets+0x7b0/0x7b0 [ 1306.555318] run_ksoftirqd+0x8e/0x110 [ 1306.559112] smpboot_thread_fn+0x6a3/0xa30 [ 1306.563357] ? sort_range+0x30/0x30 [ 1306.566990] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1306.572522] ? __kthread_parkme+0xfb/0x1b0 [ 1306.576754] kthread+0x354/0x420 [ 1306.580114] ? sort_range+0x30/0x30 [ 1306.583737] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1306.589269] ret_from_fork+0x24/0x30 [ 1306.593007] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1306.593077] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1306.600377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1306.600382] Call Trace: [ 1306.600390] [ 1306.600411] dump_stack+0x197/0x210 [ 1306.600429] warn_alloc.cold+0x7b/0x173 [ 1306.606985] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1306.616270] ? zone_watermark_ok_safe+0x260/0x260 [ 1306.618830] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1306.620988] ? __cpuset_node_allowed+0x136/0x540 [ 1306.653258] ? __isolate_free_page+0x4c0/0x4c0 [ 1306.657859] ? wake_all_kswapds+0x14d/0x300 [ 1306.662208] __alloc_pages_slowpath+0x2214/0x2870 [ 1306.667078] ? warn_alloc+0x110/0x110 [ 1306.670905] ? __lock_acquire+0x6ee/0x49c0 [ 1306.675142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1306.680784] ? should_fail+0x14d/0x85c [ 1306.684681] ? __isolate_free_page+0x4c0/0x4c0 [ 1306.689267] __alloc_pages_nodemask+0x617/0x750 [ 1306.693934] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1306.698950] ? find_held_lock+0x35/0x130 [ 1306.703009] cache_grow_begin+0x91/0x8c0 [ 1306.707075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1306.712605] ? __cpuset_node_allowed+0x136/0x540 [ 1306.717354] fallback_alloc+0x1fd/0x2d0 [ 1306.721328] ____cache_alloc_node+0x1be/0x1e0 [ 1306.725819] kmem_cache_alloc+0x1f3/0x700 [ 1306.729960] ? mark_held_locks+0xb1/0x100 [ 1306.734100] ? trace_hardirqs_on+0x67/0x220 [ 1306.738418] ? __netdev_alloc_skb+0x370/0x470 [ 1306.742913] __build_skb+0x3e/0x310 [ 1306.746534] __netdev_alloc_skb+0x2ba/0x470 [ 1306.750853] send_hsr_supervision_frame+0x110/0xf30 [ 1306.755868] ? lock_acquire+0x16f/0x3f0 [ 1306.759858] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1306.764874] hsr_announce+0x12f/0x3b0 [ 1306.768694] call_timer_fn+0x18d/0x720 [ 1306.772579] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1306.777759] ? process_timeout+0x40/0x40 [ 1306.781810] ? run_timer_softirq+0x644/0x16a0 [ 1306.786300] ? trace_hardirqs_on+0x67/0x220 [ 1306.790618] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1306.795800] run_timer_softirq+0x64f/0x16a0 [ 1306.800119] ? add_timer+0xbe0/0xbe0 [ 1306.803825] ? __lock_is_held+0xb6/0x140 [ 1306.807907] __do_softirq+0x25c/0x921 [ 1306.811799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1306.817339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1306.822881] irq_exit+0x180/0x1d0 [ 1306.826331] smp_apic_timer_interrupt+0x13b/0x550 [ 1306.831172] apic_timer_interrupt+0xf/0x20 [ 1306.835395] [ 1306.837626] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1306.842216] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1306.861131] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1306.868845] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1306.876117] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1306.883375] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1306.890635] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1306.897906] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1306.905202] percpu_ref_put_many+0x37/0x190 [ 1306.909528] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1306.914635] mem_cgroup_iter+0x907/0xac0 [ 1306.918703] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1306.923452] ? kasan_check_read+0x11/0x20 [ 1306.927593] ? mem_cgroup_protected+0x44/0x380 [ 1306.932165] ? vmpressure+0x19f/0x350 [ 1306.935975] shrink_node+0x402/0x1450 [ 1306.939782] ? shrink_node_memcg+0x13f0/0x13f0 [ 1306.944367] ? kvm_clock_read+0x18/0x30 [ 1306.948335] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1306.953608] ? ktime_get+0x202/0x2f0 [ 1306.957317] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1306.962852] ? __cpuset_node_allowed+0x136/0x540 [ 1306.967616] do_try_to_free_pages+0x3cb/0x11c0 [ 1306.972216] ? shrink_node+0x1450/0x1450 [ 1306.976294] try_to_free_pages+0x2ee/0x7f0 [ 1306.980532] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1306.985380] __alloc_pages_slowpath+0x990/0x2870 [ 1306.990152] ? warn_alloc+0x110/0x110 [ 1306.993945] ? __lock_is_held+0xb6/0x140 [ 1306.998000] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1307.003528] ? should_fail+0x14d/0x85c [ 1307.007417] ? __might_sleep+0x95/0x190 [ 1307.011388] __alloc_pages_nodemask+0x617/0x750 [ 1307.016049] ? kasan_check_read+0x11/0x20 [ 1307.020194] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1307.025202] ? find_get_entry+0x3e1/0xa00 [ 1307.029346] ? find_get_pages_contig+0xed0/0xed0 [ 1307.034093] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1307.039638] alloc_pages_current+0x107/0x210 [ 1307.044041] __page_cache_alloc+0x2bd/0x450 [ 1307.048359] ? kasan_check_read+0x11/0x20 [ 1307.052781] filemap_fault+0xfeb/0x1f00 [ 1307.056748] ? lock_downgrade+0x880/0x880 [ 1307.060904] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1307.065591] ? lock_acquire+0x16f/0x3f0 [ 1307.069565] ? ext4_filemap_fault+0x7b/0xaf [ 1307.073924] ext4_filemap_fault+0x83/0xaf [ 1307.078085] __do_fault+0x111/0x480 [ 1307.081732] __handle_mm_fault+0x2d78/0x3f80 [ 1307.086150] ? copy_page_range+0x2030/0x2030 [ 1307.090573] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1307.095246] handle_mm_fault+0x1b5/0x690 [ 1307.099309] __do_page_fault+0x62a/0xe90 [ 1307.103387] ? vmalloc_fault+0x740/0x740 [ 1307.107442] ? trace_hardirqs_off_caller+0x65/0x220 [ 1307.112468] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1307.117391] ? page_fault+0x8/0x30 [ 1307.120939] do_page_fault+0x71/0x57d [ 1307.124730] ? page_fault+0x8/0x30 [ 1307.128264] page_fault+0x1e/0x30 [ 1307.131710] RIP: 0033:0x45b153 [ 1307.134908] Code: Bad RIP value. [ 1307.138260] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1307.143612] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1307.150892] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1307.158153] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1307.165424] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1307.172685] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1307.179960] warn_alloc_show_mem: 1 callbacks suppressed [ 1307.179969] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1307.179971] Mem-Info: [ 1307.180000] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1307.180000] active_file:12 inactive_file:12 isolated_file:0 [ 1307.180000] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1307.180000] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1307.180000] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1307.180000] free:10883 free_pcp:183 free_cma:0 [ 1307.185341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1307.192529] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1307.194919] Call Trace: [ 1307.228064] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1307.237918] dump_stack+0x197/0x210 [ 1307.265386] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1307.267966] warn_alloc.cold+0x7b/0x173 [ 1307.293783] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1307.297414] ? zone_watermark_ok_safe+0x260/0x260 [ 1307.323497] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1307.327469] ? __cpuset_node_allowed+0x136/0x540 [ 1307.332455] lowmem_reserve[]: 0 0 1 1 1 [ 1307.337309] ? __isolate_free_page+0x4c0/0x4c0 [ 1307.366087] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1307.370837] ? wake_all_kswapds+0x14d/0x300 [ 1307.374779] lowmem_reserve[]: 0 0 0 0 0 [ 1307.379367] __alloc_pages_slowpath+0x2214/0x2870 [ 1307.405140] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1307.409498] ? warn_alloc+0x110/0x110 [ 1307.413600] lowmem_reserve[]: 0 0 0 0 0 [ 1307.418453] ? __lock_acquire+0x6ee/0x49c0 [ 1307.446281] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1307.450172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1307.454114] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1307.458348] ? should_fail+0x14d/0x85c [ 1307.470469] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1307.476002] ? __isolate_free_page+0x4c0/0x4c0 [ 1307.490015] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1307.493906] __alloc_pages_nodemask+0x617/0x750 [ 1307.504537] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1307.509120] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1307.524609] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1307.524621] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1307.529283] ? find_held_lock+0x35/0x130 [ 1307.538090] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1307.538098] 269 total pagecache pages [ 1307.543117] cache_grow_begin+0x91/0x8c0 [ 1307.551683] 0 pages in swap cache [ 1307.560506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1307.564549] Swap cache stats: add 0, delete 0, find 0/0 [ 1307.564557] Free swap = 0kB [ 1307.573124] ? __cpuset_node_allowed+0x136/0x540 [ 1307.576922] Total swap = 0kB [ 1307.576932] 1965979 pages RAM [ 1307.581009] fallback_alloc+0x1fd/0x2d0 [ 1307.584439] 0 pages HighMem/MovableOnly [ 1307.589977] ____cache_alloc_node+0x1be/0x1e0 [ 1307.595313] 341726 pages reserved [ 1307.598336] kmem_cache_alloc_node+0xe3/0x710 [ 1307.603077] 0 pages cma reserved [ 1307.603208] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1307.606101] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1307.609201] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1307.613172] __alloc_skb+0xd5/0x5f0 [ 1307.655693] ? skb_trim+0x190/0x190 [ 1307.659316] ? kasan_check_read+0x11/0x20 [ 1307.663467] ndisc_alloc_skb+0x13c/0x340 [ 1307.667542] ndisc_send_rs+0x35f/0x6e0 [ 1307.671428] addrconf_rs_timer+0x30f/0x680 [ 1307.675662] ? ipv6_get_lladdr+0x490/0x490 [ 1307.679897] call_timer_fn+0x18d/0x720 [ 1307.683778] ? ipv6_get_lladdr+0x490/0x490 [ 1307.688027] ? process_timeout+0x40/0x40 [ 1307.692079] ? run_timer_softirq+0x644/0x16a0 [ 1307.696571] ? trace_hardirqs_on+0x67/0x220 [ 1307.700888] ? ipv6_get_lladdr+0x490/0x490 [ 1307.705116] run_timer_softirq+0x64f/0x16a0 [ 1307.709436] ? add_timer+0xbe0/0xbe0 [ 1307.713153] ? kvm_clock_read+0x18/0x30 [ 1307.717122] ? check_preemption_disabled+0x48/0x290 [ 1307.722151] ? sched_clock+0x2e/0x50 [ 1307.725875] __do_softirq+0x25c/0x921 [ 1307.729668] ? preempt_schedule_common+0x4f/0xe0 [ 1307.734439] ? takeover_tasklets+0x7b0/0x7b0 [ 1307.738857] run_ksoftirqd+0x8e/0x110 [ 1307.742671] smpboot_thread_fn+0x6a3/0xa30 [ 1307.746938] ? sort_range+0x30/0x30 [ 1307.750582] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1307.756136] ? __kthread_parkme+0xfb/0x1b0 [ 1307.760374] kthread+0x354/0x420 [ 1307.763739] ? sort_range+0x30/0x30 [ 1307.767363] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1307.772900] ret_from_fork+0x24/0x30 [ 1307.776626] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1307.776700] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1307.784005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1307.784012] Call Trace: [ 1307.790573] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1307.799832] [ 1307.802401] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1307.812805] dump_stack+0x197/0x210 [ 1307.823406] warn_alloc.cold+0x7b/0x173 [ 1307.827384] ? zone_watermark_ok_safe+0x260/0x260 [ 1307.832225] ? __cpuset_node_allowed+0x136/0x540 [ 1307.836989] ? __isolate_free_page+0x4c0/0x4c0 [ 1307.841592] ? wake_all_kswapds+0x14d/0x300 [ 1307.845922] __alloc_pages_slowpath+0x2214/0x2870 [ 1307.850803] ? warn_alloc+0x110/0x110 [ 1307.854604] ? __lock_acquire+0x6ee/0x49c0 [ 1307.858837] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1307.864370] ? should_fail+0x14d/0x85c [ 1307.868255] ? __isolate_free_page+0x4c0/0x4c0 [ 1307.872839] __alloc_pages_nodemask+0x617/0x750 [ 1307.877518] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1307.882536] ? find_held_lock+0x35/0x130 [ 1307.886606] cache_grow_begin+0x91/0x8c0 [ 1307.890660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1307.896307] ? __cpuset_node_allowed+0x136/0x540 [ 1307.901063] fallback_alloc+0x1fd/0x2d0 [ 1307.905043] ____cache_alloc_node+0x1be/0x1e0 [ 1307.909559] kmem_cache_alloc+0x1f3/0x700 [ 1307.913709] ? mark_held_locks+0xb1/0x100 [ 1307.917877] ? __netdev_alloc_skb+0x370/0x470 [ 1307.922386] __build_skb+0x3e/0x310 [ 1307.926015] __netdev_alloc_skb+0x2ba/0x470 [ 1307.930356] send_hsr_supervision_frame+0x110/0xf30 [ 1307.935381] ? lock_acquire+0x16f/0x3f0 [ 1307.939358] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1307.944376] hsr_announce+0x12f/0x3b0 [ 1307.948209] call_timer_fn+0x18d/0x720 [ 1307.952097] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1307.957296] ? process_timeout+0x40/0x40 [ 1307.961351] ? run_timer_softirq+0x644/0x16a0 [ 1307.965847] ? trace_hardirqs_on+0x67/0x220 [ 1307.970180] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1307.975364] run_timer_softirq+0x64f/0x16a0 [ 1307.979698] ? add_timer+0xbe0/0xbe0 [ 1307.983408] ? __lock_is_held+0xb6/0x140 [ 1307.987471] __do_softirq+0x25c/0x921 [ 1307.991265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1307.996793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1308.002332] irq_exit+0x180/0x1d0 [ 1308.005778] smp_apic_timer_interrupt+0x13b/0x550 [ 1308.010618] apic_timer_interrupt+0xf/0x20 [ 1308.014851] [ 1308.017085] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1308.021660] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1308.040549] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1308.048251] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1308.055523] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1308.062783] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1308.070044] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1308.077305] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1308.084593] percpu_ref_put_many+0x37/0x190 [ 1308.088906] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1308.094021] mem_cgroup_iter+0x907/0xac0 [ 1308.098082] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1308.102867] ? kasan_check_read+0x11/0x20 [ 1308.107016] ? mem_cgroup_protected+0x44/0x380 [ 1308.111597] ? vmpressure+0x19f/0x350 [ 1308.115399] shrink_node+0x402/0x1450 [ 1308.119227] ? shrink_node_memcg+0x13f0/0x13f0 [ 1308.123828] ? kvm_clock_read+0x18/0x30 [ 1308.127801] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1308.132855] ? ktime_get+0x202/0x2f0 [ 1308.136571] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1308.142170] ? __cpuset_node_allowed+0x136/0x540 [ 1308.146940] do_try_to_free_pages+0x3cb/0x11c0 [ 1308.151556] ? shrink_node+0x1450/0x1450 [ 1308.155652] try_to_free_pages+0x2ee/0x7f0 [ 1308.159904] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1308.164758] __alloc_pages_slowpath+0x990/0x2870 [ 1308.169530] ? warn_alloc+0x110/0x110 [ 1308.173343] ? __lock_is_held+0xb6/0x140 [ 1308.177408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1308.182945] ? should_fail+0x14d/0x85c [ 1308.186836] ? __might_sleep+0x95/0x190 [ 1308.190808] __alloc_pages_nodemask+0x617/0x750 [ 1308.195470] ? kasan_check_read+0x11/0x20 [ 1308.199625] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1308.204647] ? find_get_entry+0x3e1/0xa00 [ 1308.208793] ? find_get_pages_contig+0xed0/0xed0 [ 1308.213541] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1308.219085] alloc_pages_current+0x107/0x210 [ 1308.223487] __page_cache_alloc+0x2bd/0x450 [ 1308.227801] ? kasan_check_read+0x11/0x20 [ 1308.231943] filemap_fault+0xfeb/0x1f00 [ 1308.235911] ? lock_downgrade+0x880/0x880 [ 1308.240073] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1308.244737] ? lock_acquire+0x16f/0x3f0 [ 1308.248706] ? ext4_filemap_fault+0x7b/0xaf [ 1308.253029] ext4_filemap_fault+0x83/0xaf [ 1308.257169] __do_fault+0x111/0x480 [ 1308.260793] __handle_mm_fault+0x2d78/0x3f80 [ 1308.265197] ? copy_page_range+0x2030/0x2030 [ 1308.269613] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1308.274276] handle_mm_fault+0x1b5/0x690 [ 1308.278346] __do_page_fault+0x62a/0xe90 [ 1308.282419] ? vmalloc_fault+0x740/0x740 [ 1308.286477] ? trace_hardirqs_off_caller+0x65/0x220 [ 1308.291485] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1308.296405] ? page_fault+0x8/0x30 [ 1308.299945] do_page_fault+0x71/0x57d [ 1308.303737] ? page_fault+0x8/0x30 [ 1308.307294] page_fault+0x1e/0x30 [ 1308.310749] RIP: 0033:0x45b153 [ 1308.313950] Code: Bad RIP value. [ 1308.317322] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1308.322689] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1308.329951] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1308.337225] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1308.344485] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1308.351750] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1308.359024] warn_alloc_show_mem: 1 callbacks suppressed [ 1308.359034] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1308.359037] Mem-Info: [ 1308.359064] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1308.359064] active_file:12 inactive_file:12 isolated_file:0 [ 1308.359064] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1308.359064] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1308.359064] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1308.359064] free:10883 free_pcp:183 free_cma:0 [ 1308.364406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1308.371769] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1308.374173] Call Trace: [ 1308.407424] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1308.416784] dump_stack+0x197/0x210 [ 1308.444339] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1308.446938] warn_alloc.cold+0x7b/0x173 [ 1308.472772] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1308.476431] ? zone_watermark_ok_safe+0x260/0x260 [ 1308.502535] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1308.506517] ? __cpuset_node_allowed+0x136/0x540 [ 1308.511504] lowmem_reserve[]: 0 0 1 1 1 [ 1308.516378] ? __isolate_free_page+0x4c0/0x4c0 [ 1308.545849] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1308.550623] ? wake_all_kswapds+0x14d/0x300 [ 1308.554576] lowmem_reserve[]: 0 0 0 0 0 [ 1308.559201] __alloc_pages_slowpath+0x2214/0x2870 [ 1308.586591] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1308.591013] ? warn_alloc+0x110/0x110 [ 1308.594949] lowmem_reserve[]: 0 0 0 0 0 [ 1308.599811] ? __lock_acquire+0x6ee/0x49c0 [ 1308.627645] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1308.631479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1308.635696] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1308.640035] ? should_fail+0x14d/0x85c [ 1308.652178] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1308.657750] ? __isolate_free_page+0x4c0/0x4c0 [ 1308.671786] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1308.675690] __alloc_pages_nodemask+0x617/0x750 [ 1308.686341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1308.690928] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1308.706539] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1308.706554] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1308.711233] ? find_held_lock+0x35/0x130 [ 1308.720041] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1308.725061] cache_grow_begin+0x91/0x8c0 [ 1308.733610] 269 total pagecache pages [ 1308.742449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1308.746507] 0 pages in swap cache [ 1308.755067] ? __cpuset_node_allowed+0x136/0x540 [ 1308.759129] Swap cache stats: add 0, delete 0, find 0/0 [ 1308.762918] fallback_alloc+0x1fd/0x2d0 [ 1308.768429] Free swap = 0kB [ 1308.771893] ____cache_alloc_node+0x1be/0x1e0 [ 1308.776632] Total swap = 0kB [ 1308.782001] kmem_cache_alloc_node+0xe3/0x710 [ 1308.785967] 1965979 pages RAM [ 1308.788977] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1308.793443] 0 pages HighMem/MovableOnly [ 1308.796457] __alloc_skb+0xd5/0x5f0 [ 1308.800919] 341726 pages reserved [ 1308.800927] 0 pages cma reserved [ 1308.804023] ? skb_trim+0x190/0x190 [ 1308.808356] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1308.812288] ? kasan_check_read+0x11/0x20 [ 1308.815886] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1308.819339] ndisc_alloc_skb+0x13c/0x340 [ 1308.849551] ndisc_send_rs+0x35f/0x6e0 [ 1308.853442] addrconf_rs_timer+0x30f/0x680 [ 1308.857673] ? ipv6_get_lladdr+0x490/0x490 [ 1308.861921] call_timer_fn+0x18d/0x720 [ 1308.865811] ? ipv6_get_lladdr+0x490/0x490 [ 1308.870039] ? process_timeout+0x40/0x40 [ 1308.874090] ? run_timer_softirq+0x644/0x16a0 [ 1308.878583] ? trace_hardirqs_on+0x67/0x220 [ 1308.882903] ? ipv6_get_lladdr+0x490/0x490 [ 1308.887130] run_timer_softirq+0x64f/0x16a0 [ 1308.891459] ? add_timer+0xbe0/0xbe0 [ 1308.895163] ? kvm_clock_read+0x18/0x30 [ 1308.899150] ? check_preemption_disabled+0x48/0x290 [ 1308.904158] ? sched_clock+0x2e/0x50 [ 1308.907890] __do_softirq+0x25c/0x921 [ 1308.911705] ? preempt_schedule_common+0x4f/0xe0 [ 1308.916461] ? takeover_tasklets+0x7b0/0x7b0 [ 1308.920865] run_ksoftirqd+0x8e/0x110 [ 1308.924655] smpboot_thread_fn+0x6a3/0xa30 [ 1308.928888] ? sort_range+0x30/0x30 [ 1308.932522] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1308.938055] ? __kthread_parkme+0xfb/0x1b0 [ 1308.942296] kthread+0x354/0x420 [ 1308.945659] ? sort_range+0x30/0x30 [ 1308.949279] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1308.954812] ret_from_fork+0x24/0x30 [ 1308.958536] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1308.958610] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1308.965904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1308.965908] Call Trace: [ 1308.965914] [ 1308.965931] dump_stack+0x197/0x210 [ 1308.965948] warn_alloc.cold+0x7b/0x173 [ 1308.972707] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1308.981784] ? zone_watermark_ok_safe+0x260/0x260 [ 1308.984341] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1308.986484] ? __cpuset_node_allowed+0x136/0x540 [ 1309.018788] ? __isolate_free_page+0x4c0/0x4c0 [ 1309.023375] ? wake_all_kswapds+0x14d/0x300 [ 1309.027702] __alloc_pages_slowpath+0x2214/0x2870 [ 1309.032583] ? warn_alloc+0x110/0x110 [ 1309.036382] ? __lock_acquire+0x6ee/0x49c0 [ 1309.040611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1309.046140] ? should_fail+0x14d/0x85c [ 1309.050044] ? __isolate_free_page+0x4c0/0x4c0 [ 1309.054626] __alloc_pages_nodemask+0x617/0x750 [ 1309.059304] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1309.064339] ? find_held_lock+0x35/0x130 [ 1309.068401] cache_grow_begin+0x91/0x8c0 [ 1309.072457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1309.077987] ? __cpuset_node_allowed+0x136/0x540 [ 1309.082740] fallback_alloc+0x1fd/0x2d0 [ 1309.086714] ____cache_alloc_node+0x1be/0x1e0 [ 1309.091313] kmem_cache_alloc+0x1f3/0x700 [ 1309.095456] ? mark_held_locks+0xb1/0x100 [ 1309.099602] ? __netdev_alloc_skb+0x370/0x470 [ 1309.104098] __build_skb+0x3e/0x310 [ 1309.107724] __netdev_alloc_skb+0x2ba/0x470 [ 1309.112044] send_hsr_supervision_frame+0x110/0xf30 [ 1309.117055] ? lock_acquire+0x16f/0x3f0 [ 1309.121035] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1309.126053] hsr_announce+0x12f/0x3b0 [ 1309.129865] call_timer_fn+0x18d/0x720 [ 1309.133756] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1309.138936] ? process_timeout+0x40/0x40 [ 1309.142991] ? run_timer_softirq+0x644/0x16a0 [ 1309.147480] ? trace_hardirqs_on+0x67/0x220 [ 1309.151800] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1309.156980] run_timer_softirq+0x64f/0x16a0 [ 1309.161298] ? add_timer+0xbe0/0xbe0 [ 1309.165018] ? __lock_is_held+0xb6/0x140 [ 1309.169091] __do_softirq+0x25c/0x921 [ 1309.172977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1309.178504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1309.184041] irq_exit+0x180/0x1d0 [ 1309.187493] smp_apic_timer_interrupt+0x13b/0x550 [ 1309.192337] apic_timer_interrupt+0xf/0x20 [ 1309.196579] [ 1309.198824] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1309.203409] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1309.222310] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1309.230038] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1309.237321] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1309.244599] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1309.251865] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1309.259128] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1309.266424] percpu_ref_put_many+0x37/0x190 [ 1309.270739] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1309.275838] mem_cgroup_iter+0x907/0xac0 [ 1309.279896] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1309.284645] ? kasan_check_read+0x11/0x20 [ 1309.288785] ? mem_cgroup_protected+0x44/0x380 [ 1309.293374] ? vmpressure+0x19f/0x350 [ 1309.297175] shrink_node+0x402/0x1450 [ 1309.300981] ? shrink_node_memcg+0x13f0/0x13f0 [ 1309.305553] ? kvm_clock_read+0x18/0x30 [ 1309.309520] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1309.314527] ? ktime_get+0x202/0x2f0 [ 1309.318234] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1309.323784] ? __cpuset_node_allowed+0x136/0x540 [ 1309.328547] do_try_to_free_pages+0x3cb/0x11c0 [ 1309.333137] ? shrink_node+0x1450/0x1450 [ 1309.337200] try_to_free_pages+0x2ee/0x7f0 [ 1309.341431] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1309.346284] __alloc_pages_slowpath+0x990/0x2870 [ 1309.351072] ? warn_alloc+0x110/0x110 [ 1309.354868] ? __lock_is_held+0xb6/0x140 [ 1309.358923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1309.364464] ? should_fail+0x14d/0x85c [ 1309.368358] ? __might_sleep+0x95/0x190 [ 1309.372336] __alloc_pages_nodemask+0x617/0x750 [ 1309.376997] ? kasan_check_read+0x11/0x20 [ 1309.381142] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1309.386147] ? find_get_entry+0x3e1/0xa00 [ 1309.390291] ? find_get_pages_contig+0xed0/0xed0 [ 1309.395038] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1309.400573] alloc_pages_current+0x107/0x210 [ 1309.404978] __page_cache_alloc+0x2bd/0x450 [ 1309.409290] ? kasan_check_read+0x11/0x20 [ 1309.413432] filemap_fault+0xfeb/0x1f00 [ 1309.417431] ? lock_downgrade+0x880/0x880 [ 1309.421602] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1309.426289] ? lock_acquire+0x16f/0x3f0 [ 1309.430264] ? ext4_filemap_fault+0x7b/0xaf [ 1309.434596] ext4_filemap_fault+0x83/0xaf [ 1309.438737] __do_fault+0x111/0x480 [ 1309.442358] __handle_mm_fault+0x2d78/0x3f80 [ 1309.446762] ? copy_page_range+0x2030/0x2030 [ 1309.451192] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1309.455877] handle_mm_fault+0x1b5/0x690 [ 1309.459936] __do_page_fault+0x62a/0xe90 [ 1309.463998] ? vmalloc_fault+0x740/0x740 [ 1309.468052] ? trace_hardirqs_off_caller+0x65/0x220 [ 1309.473057] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1309.477978] ? page_fault+0x8/0x30 [ 1309.481513] do_page_fault+0x71/0x57d [ 1309.485305] ? page_fault+0x8/0x30 [ 1309.488838] page_fault+0x1e/0x30 [ 1309.492279] RIP: 0033:0x45b153 [ 1309.495474] Code: Bad RIP value. [ 1309.498828] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1309.504193] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1309.511455] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1309.518716] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1309.525989] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1309.533250] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1309.540532] warn_alloc_show_mem: 1 callbacks suppressed [ 1309.540542] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1309.540544] Mem-Info: [ 1309.540572] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1309.540572] active_file:12 inactive_file:12 isolated_file:0 [ 1309.540572] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1309.540572] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1309.540572] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1309.540572] free:10883 free_pcp:183 free_cma:0 [ 1309.545908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1309.545916] Call Trace: [ 1309.553097] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1309.553124] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1309.555527] dump_stack+0x197/0x210 [ 1309.588657] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1309.598048] warn_alloc.cold+0x7b/0x173 [ 1309.600616] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1309.628137] ? zone_watermark_ok_safe+0x260/0x260 [ 1309.653961] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1309.657585] ? __cpuset_node_allowed+0x136/0x540 [ 1309.683668] lowmem_reserve[]: 0 0 1 1 1 [ 1309.687645] ? __isolate_free_page+0x4c0/0x4c0 [ 1309.692627] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1309.697723] ? wake_all_kswapds+0x14d/0x300 [ 1309.726491] lowmem_reserve[]: 0 0 0 0 0 [ 1309.731255] __alloc_pages_slowpath+0x2214/0x2870 [ 1309.735198] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1309.739791] ? warn_alloc+0x110/0x110 [ 1309.765514] lowmem_reserve[]: 0 0 0 0 0 [ 1309.769835] ? __lock_acquire+0x6ee/0x49c0 [ 1309.773779] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1309.778617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1309.806448] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1309.810244] ? should_fail+0x14d/0x85c [ 1309.814195] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1309.818439] ? __isolate_free_page+0x4c0/0x4c0 [ 1309.830556] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1309.836097] __alloc_pages_nodemask+0x617/0x750 [ 1309.850116] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1309.853998] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1309.864624] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1309.864637] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1309.869211] ? find_held_lock+0x35/0x130 [ 1309.884698] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1309.884706] 269 total pagecache pages [ 1309.889367] cache_grow_begin+0x91/0x8c0 [ 1309.898183] 0 pages in swap cache [ 1309.903184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1309.911771] Swap cache stats: add 0, delete 0, find 0/0 [ 1309.911782] Free swap = 0kB [ 1309.920637] ? __cpuset_node_allowed+0x136/0x540 [ 1309.924686] Total swap = 0kB [ 1309.933258] fallback_alloc+0x1fd/0x2d0 [ 1309.937039] 1965979 pages RAM [ 1309.941096] ____cache_alloc_node+0x1be/0x1e0 [ 1309.944529] 0 pages HighMem/MovableOnly [ 1309.944536] 341726 pages reserved [ 1309.950064] kmem_cache_alloc+0x1f3/0x700 [ 1309.955401] 0 pages cma reserved [ 1309.958412] ? mark_held_locks+0xb1/0x100 [ 1309.963253] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1309.966152] ? __netdev_alloc_skb+0x370/0x470 [ 1309.970100] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1309.973199] __build_skb+0x3e/0x310 [ 1310.019721] __netdev_alloc_skb+0x2ba/0x470 [ 1310.024041] send_hsr_supervision_frame+0x110/0xf30 [ 1310.029059] ? lock_acquire+0x16f/0x3f0 [ 1310.033029] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1310.038041] hsr_announce+0x12f/0x3b0 [ 1310.041835] call_timer_fn+0x18d/0x720 [ 1310.045721] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1310.050905] ? process_timeout+0x40/0x40 [ 1310.054958] ? run_timer_softirq+0x644/0x16a0 [ 1310.059451] ? trace_hardirqs_on+0x67/0x220 [ 1310.063772] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1310.068956] run_timer_softirq+0x64f/0x16a0 [ 1310.073275] ? add_timer+0xbe0/0xbe0 [ 1310.077012] ? kvm_clock_read+0x18/0x30 [ 1310.081011] ? check_preemption_disabled+0x48/0x290 [ 1310.086047] ? sched_clock+0x2e/0x50 [ 1310.091094] __do_softirq+0x25c/0x921 [ 1310.094903] ? preempt_schedule_common+0x4f/0xe0 [ 1310.099669] ? takeover_tasklets+0x7b0/0x7b0 [ 1310.104088] run_ksoftirqd+0x8e/0x110 [ 1310.107888] smpboot_thread_fn+0x6a3/0xa30 [ 1310.112120] ? sort_range+0x30/0x30 [ 1310.115747] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1310.121307] ? __kthread_parkme+0xfb/0x1b0 [ 1310.125539] kthread+0x354/0x420 [ 1310.128896] ? sort_range+0x30/0x30 [ 1310.132601] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1310.138134] ret_from_fork+0x24/0x30 [ 1310.141861] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1310.142004] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1310.149225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1310.159515] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1310.168854] Call Trace: [ 1310.168862] [ 1310.178738] dump_stack+0x197/0x210 [ 1310.182381] warn_alloc.cold+0x7b/0x173 [ 1310.186348] ? zone_watermark_ok_safe+0x260/0x260 [ 1310.191184] ? __cpuset_node_allowed+0x136/0x540 [ 1310.195939] ? __isolate_free_page+0x4c0/0x4c0 [ 1310.200515] ? wake_all_kswapds+0x14d/0x300 [ 1310.204863] __alloc_pages_slowpath+0x2214/0x2870 [ 1310.209715] ? warn_alloc+0x110/0x110 [ 1310.213510] ? __lock_acquire+0x6ee/0x49c0 [ 1310.217751] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1310.223279] ? should_fail+0x14d/0x85c [ 1310.227163] ? __isolate_free_page+0x4c0/0x4c0 [ 1310.231761] __alloc_pages_nodemask+0x617/0x750 [ 1310.236429] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1310.241445] ? find_held_lock+0x35/0x130 [ 1310.245500] cache_grow_begin+0x91/0x8c0 [ 1310.249566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1310.255091] ? __cpuset_node_allowed+0x136/0x540 [ 1310.259852] fallback_alloc+0x1fd/0x2d0 [ 1310.263840] ____cache_alloc_node+0x1be/0x1e0 [ 1310.268330] kmem_cache_alloc+0x1f3/0x700 [ 1310.272469] ? mark_held_locks+0xb1/0x100 [ 1310.276612] ? __netdev_alloc_skb+0x370/0x470 [ 1310.281103] __build_skb+0x3e/0x310 [ 1310.284724] __netdev_alloc_skb+0x2ba/0x470 [ 1310.289059] send_hsr_supervision_frame+0x110/0xf30 [ 1310.295026] ? lock_acquire+0x16f/0x3f0 [ 1310.298994] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1310.304035] hsr_announce+0x12f/0x3b0 [ 1310.307840] call_timer_fn+0x18d/0x720 [ 1310.311731] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1310.316934] ? process_timeout+0x40/0x40 [ 1310.321024] ? run_timer_softirq+0x644/0x16a0 [ 1310.325525] ? trace_hardirqs_on+0x67/0x220 [ 1310.329863] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1310.335054] run_timer_softirq+0x64f/0x16a0 [ 1310.339387] ? add_timer+0xbe0/0xbe0 [ 1310.343109] ? __lock_is_held+0xb6/0x140 [ 1310.347183] __do_softirq+0x25c/0x921 [ 1310.350974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1310.356516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1310.362055] irq_exit+0x180/0x1d0 [ 1310.365523] smp_apic_timer_interrupt+0x13b/0x550 [ 1310.370359] apic_timer_interrupt+0xf/0x20 [ 1310.374580] [ 1310.376811] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1310.381388] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1310.400280] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1310.407989] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1310.415271] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1310.422638] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1310.429902] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1310.437168] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1310.444480] percpu_ref_put_many+0x37/0x190 [ 1310.448800] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1310.453900] mem_cgroup_iter+0x907/0xac0 [ 1310.457961] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1310.462711] ? kasan_check_read+0x11/0x20 [ 1310.466850] ? mem_cgroup_protected+0x44/0x380 [ 1310.471422] ? vmpressure+0x19f/0x350 [ 1310.475218] shrink_node+0x402/0x1450 [ 1310.479026] ? shrink_node_memcg+0x13f0/0x13f0 [ 1310.483614] ? kvm_clock_read+0x18/0x30 [ 1310.487581] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1310.492602] ? ktime_get+0x202/0x2f0 [ 1310.496308] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1310.501837] ? __cpuset_node_allowed+0x136/0x540 [ 1310.506592] do_try_to_free_pages+0x3cb/0x11c0 [ 1310.511180] ? shrink_node+0x1450/0x1450 [ 1310.515243] try_to_free_pages+0x2ee/0x7f0 [ 1310.519485] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1310.524339] __alloc_pages_slowpath+0x990/0x2870 [ 1310.529102] ? warn_alloc+0x110/0x110 [ 1310.532925] ? __lock_is_held+0xb6/0x140 [ 1310.536995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1310.542537] ? should_fail+0x14d/0x85c [ 1310.546431] ? __might_sleep+0x95/0x190 [ 1310.550406] __alloc_pages_nodemask+0x617/0x750 [ 1310.555074] ? kasan_check_read+0x11/0x20 [ 1310.559231] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1310.564238] ? find_get_entry+0x3e1/0xa00 [ 1310.568381] ? find_get_pages_contig+0xed0/0xed0 [ 1310.573142] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1310.578698] alloc_pages_current+0x107/0x210 [ 1310.583110] __page_cache_alloc+0x2bd/0x450 [ 1310.587433] ? kasan_check_read+0x11/0x20 [ 1310.591584] filemap_fault+0xfeb/0x1f00 [ 1310.595644] ? lock_downgrade+0x880/0x880 [ 1310.599796] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1310.604465] ? lock_acquire+0x16f/0x3f0 [ 1310.608433] ? ext4_filemap_fault+0x7b/0xaf [ 1310.612755] ext4_filemap_fault+0x83/0xaf [ 1310.616893] __do_fault+0x111/0x480 [ 1310.620514] __handle_mm_fault+0x2d78/0x3f80 [ 1310.625030] ? copy_page_range+0x2030/0x2030 [ 1310.629706] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1310.634371] handle_mm_fault+0x1b5/0x690 [ 1310.638437] __do_page_fault+0x62a/0xe90 [ 1310.642529] ? vmalloc_fault+0x740/0x740 [ 1310.646607] ? trace_hardirqs_off_caller+0x65/0x220 [ 1310.651636] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1310.656572] ? page_fault+0x8/0x30 [ 1310.660111] do_page_fault+0x71/0x57d [ 1310.663908] ? page_fault+0x8/0x30 [ 1310.667441] page_fault+0x1e/0x30 [ 1310.670892] RIP: 0033:0x45b153 [ 1310.674087] Code: Bad RIP value. [ 1310.677442] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1310.682814] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1310.690073] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1310.697332] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1310.704603] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1310.711865] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1310.719141] warn_alloc_show_mem: 1 callbacks suppressed [ 1310.719150] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1310.719152] Mem-Info: [ 1310.719180] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1310.719180] active_file:12 inactive_file:12 isolated_file:0 [ 1310.719180] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1310.719180] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1310.719180] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1310.719180] free:10883 free_pcp:183 free_cma:0 [ 1310.724532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1310.731718] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1310.734128] Call Trace: [ 1310.767278] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1310.776629] dump_stack+0x197/0x210 [ 1310.804111] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1310.806712] warn_alloc.cold+0x7b/0x173 [ 1310.832526] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1310.836156] ? zone_watermark_ok_safe+0x260/0x260 [ 1310.862238] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1310.866210] ? __cpuset_node_allowed+0x136/0x540 [ 1310.871209] lowmem_reserve[]: 0 0 1 1 1 [ 1310.876072] ? __isolate_free_page+0x4c0/0x4c0 [ 1310.904853] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1310.909703] ? wake_all_kswapds+0x14d/0x300 [ 1310.913651] lowmem_reserve[]: 0 0 0 0 0 [ 1310.918232] __alloc_pages_slowpath+0x2214/0x2870 [ 1310.943964] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1310.948299] ? warn_alloc+0x110/0x110 [ 1310.952240] lowmem_reserve[]: 0 0 0 0 0 [ 1310.957090] ? __lock_acquire+0x6ee/0x49c0 [ 1310.984920] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1310.988730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1310.992675] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1310.997045] ? should_fail+0x14d/0x85c [ 1311.009425] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1311.015141] ? __isolate_free_page+0x4c0/0x4c0 [ 1311.029155] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1311.033048] __alloc_pages_nodemask+0x617/0x750 [ 1311.043682] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1311.048274] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1311.063768] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1311.068432] ? find_held_lock+0x35/0x130 [ 1311.077241] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1311.082246] cache_grow_begin+0x91/0x8c0 [ 1311.090798] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1311.094859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1311.103676] 269 total pagecache pages [ 1311.107728] ? __cpuset_node_allowed+0x136/0x540 [ 1311.116284] 0 pages in swap cache [ 1311.121820] fallback_alloc+0x1fd/0x2d0 [ 1311.125598] Swap cache stats: add 0, delete 0, find 0/0 [ 1311.130346] ____cache_alloc_node+0x1be/0x1e0 [ 1311.133766] Free swap = 0kB [ 1311.133773] Total swap = 0kB [ 1311.137742] kmem_cache_alloc+0x1f3/0x700 [ 1311.143090] 1965979 pages RAM [ 1311.147577] ? mark_held_locks+0xb1/0x100 [ 1311.150577] 0 pages HighMem/MovableOnly [ 1311.150584] 341726 pages reserved [ 1311.153608] ? __netdev_alloc_skb+0x370/0x470 [ 1311.157744] 0 pages cma reserved [ 1311.160891] __build_skb+0x3e/0x310 [ 1311.165133] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1311.169119] __netdev_alloc_skb+0x2ba/0x470 [ 1311.172552] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1311.177053] send_hsr_supervision_frame+0x110/0xf30 [ 1311.208274] ? lock_acquire+0x16f/0x3f0 [ 1311.212246] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1311.217274] hsr_announce+0x12f/0x3b0 [ 1311.221086] call_timer_fn+0x18d/0x720 [ 1311.224968] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1311.230150] ? process_timeout+0x40/0x40 [ 1311.234202] ? run_timer_softirq+0x644/0x16a0 [ 1311.238693] ? trace_hardirqs_on+0x67/0x220 [ 1311.243011] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1311.248199] run_timer_softirq+0x64f/0x16a0 [ 1311.252518] ? add_timer+0xbe0/0xbe0 [ 1311.256235] ? kvm_clock_read+0x18/0x30 [ 1311.260205] ? check_preemption_disabled+0x48/0x290 [ 1311.265213] ? sched_clock+0x2e/0x50 [ 1311.270317] __do_softirq+0x25c/0x921 [ 1311.274122] ? preempt_schedule_common+0x4f/0xe0 [ 1311.278881] ? takeover_tasklets+0x7b0/0x7b0 [ 1311.283284] run_ksoftirqd+0x8e/0x110 [ 1311.287078] smpboot_thread_fn+0x6a3/0xa30 [ 1311.291310] ? sort_range+0x30/0x30 [ 1311.294936] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1311.300466] ? __kthread_parkme+0xfb/0x1b0 [ 1311.304700] kthread+0x354/0x420 [ 1311.308061] ? sort_range+0x30/0x30 [ 1311.311682] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1311.317219] ret_from_fork+0x24/0x30 [ 1311.320953] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1311.321110] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1311.328329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1311.328339] Call Trace: [ 1311.328344] [ 1311.338792] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1311.348143] dump_stack+0x197/0x210 [ 1311.348162] warn_alloc.cold+0x7b/0x173 [ 1311.365350] ? zone_watermark_ok_safe+0x260/0x260 [ 1311.370187] ? __cpuset_node_allowed+0x136/0x540 [ 1311.374941] ? __isolate_free_page+0x4c0/0x4c0 [ 1311.379539] ? wake_all_kswapds+0x14d/0x300 [ 1311.383874] __alloc_pages_slowpath+0x2214/0x2870 [ 1311.388755] ? warn_alloc+0x110/0x110 [ 1311.392556] ? __lock_acquire+0x6ee/0x49c0 [ 1311.396804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1311.402337] ? should_fail+0x14d/0x85c [ 1311.406222] ? __isolate_free_page+0x4c0/0x4c0 [ 1311.410807] __alloc_pages_nodemask+0x617/0x750 [ 1311.415478] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1311.420496] ? find_held_lock+0x35/0x130 [ 1311.424555] cache_grow_begin+0x91/0x8c0 [ 1311.428611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1311.434146] ? __cpuset_node_allowed+0x136/0x540 [ 1311.438900] fallback_alloc+0x1fd/0x2d0 [ 1311.442877] ____cache_alloc_node+0x1be/0x1e0 [ 1311.447366] kmem_cache_alloc_node+0xe3/0x710 [ 1311.451858] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1311.456099] __alloc_skb+0xd5/0x5f0 [ 1311.459717] ? skb_trim+0x190/0x190 [ 1311.463335] ? kasan_check_read+0x11/0x20 [ 1311.467485] ndisc_alloc_skb+0x13c/0x340 [ 1311.471542] ndisc_send_rs+0x35f/0x6e0 [ 1311.475430] addrconf_rs_timer+0x30f/0x680 [ 1311.479665] ? ipv6_get_lladdr+0x490/0x490 [ 1311.483899] call_timer_fn+0x18d/0x720 [ 1311.487788] ? ipv6_get_lladdr+0x490/0x490 [ 1311.492012] ? process_timeout+0x40/0x40 [ 1311.496065] ? run_timer_softirq+0x644/0x16a0 [ 1311.500556] ? trace_hardirqs_on+0x67/0x220 [ 1311.504874] ? ipv6_get_lladdr+0x490/0x490 [ 1311.509113] run_timer_softirq+0x64f/0x16a0 [ 1311.513435] ? add_timer+0xbe0/0xbe0 [ 1311.517143] ? __lock_is_held+0xb6/0x140 [ 1311.521220] __do_softirq+0x25c/0x921 [ 1311.525011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1311.530540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1311.536078] irq_exit+0x180/0x1d0 [ 1311.539523] smp_apic_timer_interrupt+0x13b/0x550 [ 1311.544359] apic_timer_interrupt+0xf/0x20 [ 1311.548594] [ 1311.550826] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1311.555420] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1311.574325] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1311.582039] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1311.589316] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1311.596581] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1311.603858] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1311.611123] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1311.618428] percpu_ref_put_many+0x37/0x190 [ 1311.622758] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1311.627864] mem_cgroup_iter+0x907/0xac0 [ 1311.631936] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1311.636703] ? kasan_check_read+0x11/0x20 [ 1311.640842] ? mem_cgroup_protected+0x44/0x380 [ 1311.645416] ? vmpressure+0x19f/0x350 [ 1311.649222] shrink_node+0x402/0x1450 [ 1311.653029] ? shrink_node_memcg+0x13f0/0x13f0 [ 1311.657602] ? kvm_clock_read+0x18/0x30 [ 1311.661567] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1311.666579] ? ktime_get+0x202/0x2f0 [ 1311.670287] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1311.675828] ? __cpuset_node_allowed+0x136/0x540 [ 1311.680593] do_try_to_free_pages+0x3cb/0x11c0 [ 1311.685180] ? shrink_node+0x1450/0x1450 [ 1311.689241] try_to_free_pages+0x2ee/0x7f0 [ 1311.693470] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1311.698323] __alloc_pages_slowpath+0x990/0x2870 [ 1311.703086] ? warn_alloc+0x110/0x110 [ 1311.706878] ? __lock_is_held+0xb6/0x140 [ 1311.710934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1311.716581] ? should_fail+0x14d/0x85c [ 1311.720485] ? __might_sleep+0x95/0x190 [ 1311.724461] __alloc_pages_nodemask+0x617/0x750 [ 1311.729149] ? kasan_check_read+0x11/0x20 [ 1311.733300] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1311.738332] ? find_get_entry+0x3e1/0xa00 [ 1311.742486] ? find_get_pages_contig+0xed0/0xed0 [ 1311.747246] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1311.752789] alloc_pages_current+0x107/0x210 [ 1311.757199] __page_cache_alloc+0x2bd/0x450 [ 1311.761514] ? kasan_check_read+0x11/0x20 [ 1311.765665] filemap_fault+0xfeb/0x1f00 [ 1311.769647] ? lock_downgrade+0x880/0x880 [ 1311.773797] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1311.778464] ? lock_acquire+0x16f/0x3f0 [ 1311.782434] ? ext4_filemap_fault+0x7b/0xaf [ 1311.786757] ext4_filemap_fault+0x83/0xaf [ 1311.790897] __do_fault+0x111/0x480 [ 1311.794522] __handle_mm_fault+0x2d78/0x3f80 [ 1311.798938] ? copy_page_range+0x2030/0x2030 [ 1311.803363] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1311.808038] handle_mm_fault+0x1b5/0x690 [ 1311.812097] __do_page_fault+0x62a/0xe90 [ 1311.816167] ? vmalloc_fault+0x740/0x740 [ 1311.820236] ? trace_hardirqs_off_caller+0x65/0x220 [ 1311.825257] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1311.830179] ? page_fault+0x8/0x30 [ 1311.833716] do_page_fault+0x71/0x57d [ 1311.837524] ? page_fault+0x8/0x30 [ 1311.841059] page_fault+0x1e/0x30 [ 1311.844504] RIP: 0033:0x45b153 [ 1311.847700] Code: Bad RIP value. [ 1311.851053] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1311.856407] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1311.863669] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1311.870932] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1311.878203] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1311.885465] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1311.895086] warn_alloc_show_mem: 1 callbacks suppressed [ 1311.895096] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1311.895098] Mem-Info: [ 1311.895125] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1311.895125] active_file:12 inactive_file:12 isolated_file:0 [ 1311.895125] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1311.895125] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1311.895125] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1311.895125] free:10883 free_pcp:183 free_cma:0 [ 1311.900469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1311.907658] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1311.910049] Call Trace: [ 1311.943201] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1311.952539] dump_stack+0x197/0x210 [ 1311.980021] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1311.982619] warn_alloc.cold+0x7b/0x173 [ 1312.008435] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1312.012066] ? zone_watermark_ok_safe+0x260/0x260 [ 1312.038145] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1312.042113] ? __cpuset_node_allowed+0x136/0x540 [ 1312.047112] lowmem_reserve[]: 0 0 1 1 1 [ 1312.051981] ? __isolate_free_page+0x4c0/0x4c0 [ 1312.080768] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1312.085544] ? wake_all_kswapds+0x14d/0x300 [ 1312.089505] lowmem_reserve[]: 0 0 0 0 0 [ 1312.094088] __alloc_pages_slowpath+0x2214/0x2870 [ 1312.119819] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1312.124168] ? warn_alloc+0x110/0x110 [ 1312.128101] lowmem_reserve[]: 0 0 0 0 0 [ 1312.132940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1312.160930] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1312.164739] ? should_fail+0x14d/0x85c [ 1312.168685] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1312.174217] ? __isolate_free_page+0x4c0/0x4c0 [ 1312.186329] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1312.190415] __alloc_pages_nodemask+0x617/0x750 [ 1312.204420] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1312.209001] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1312.219633] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1312.224299] cache_grow_begin+0x91/0x8c0 [ 1312.239829] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1312.239843] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1312.244878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1312.253703] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1312.253713] 269 total pagecache pages [ 1312.257781] ? __cpuset_node_allowed+0x136/0x540 [ 1312.266334] 0 pages in swap cache [ 1312.275154] fallback_alloc+0x1fd/0x2d0 [ 1312.280669] Swap cache stats: add 0, delete 0, find 0/0 [ 1312.289263] ____cache_alloc_node+0x1be/0x1e0 [ 1312.293121] Free swap = 0kB [ 1312.297874] kmem_cache_alloc_node+0xe3/0x710 [ 1312.301298] Total swap = 0kB [ 1312.305361] ? trace_hardirqs_off+0x62/0x220 [ 1312.310715] 1965979 pages RAM [ 1312.315225] __alloc_skb+0xd5/0x5f0 [ 1312.318317] 0 pages HighMem/MovableOnly [ 1312.318324] 341726 pages reserved [ 1312.322808] ? skb_trim+0x190/0x190 [ 1312.325809] 0 pages cma reserved [ 1312.330207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1312.333346] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1312.336901] ? check_preemption_disabled+0x48/0x290 [ 1312.336914] ? lock_acquire+0x16f/0x3f0 [ 1312.336935] new_skb+0x28/0x1d0 [ 1312.340946] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1312.344325] aoecmd_cfg+0x1b5/0x640 [ 1312.347925] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1312.351299] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1312.398357] ? timer_reduce+0x11d0/0x11d0 [ 1312.402506] discover_timer+0x4e/0x60 [ 1312.406299] call_timer_fn+0x18d/0x720 [ 1312.410182] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1312.414858] ? process_timeout+0x40/0x40 [ 1312.418911] ? run_timer_softirq+0x644/0x16a0 [ 1312.423403] ? trace_hardirqs_on+0x67/0x220 [ 1312.427719] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1312.432379] run_timer_softirq+0x64f/0x16a0 [ 1312.436697] ? add_timer+0xbe0/0xbe0 [ 1312.440402] ? kvm_clock_read+0x18/0x30 [ 1312.444370] ? check_preemption_disabled+0x48/0x290 [ 1312.449378] ? sched_clock+0x2e/0x50 [ 1312.453123] __do_softirq+0x25c/0x921 [ 1312.456941] ? preempt_schedule_common+0x4f/0xe0 [ 1312.462069] ? takeover_tasklets+0x7b0/0x7b0 [ 1312.466495] run_ksoftirqd+0x8e/0x110 [ 1312.470297] smpboot_thread_fn+0x6a3/0xa30 [ 1312.474534] ? sort_range+0x30/0x30 [ 1312.478157] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1312.483690] ? __kthread_parkme+0xfb/0x1b0 [ 1312.487922] kthread+0x354/0x420 [ 1312.491280] ? sort_range+0x30/0x30 [ 1312.494901] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1312.500433] ret_from_fork+0x24/0x30 [ 1312.504325] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1312.504412] aoe: skb alloc failure [ 1312.511696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1312.511701] Call Trace: [ 1312.511707] [ 1312.511723] dump_stack+0x197/0x210 [ 1312.511741] warn_alloc.cold+0x7b/0x173 [ 1312.515332] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1312.524640] ? zone_watermark_ok_safe+0x260/0x260 [ 1312.527196] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1312.529349] ? __cpuset_node_allowed+0x136/0x540 [ 1312.561615] ? __isolate_free_page+0x4c0/0x4c0 [ 1312.566189] ? wake_all_kswapds+0x14d/0x300 [ 1312.570509] __alloc_pages_slowpath+0x2214/0x2870 [ 1312.575386] ? warn_alloc+0x110/0x110 [ 1312.579187] ? __lock_acquire+0x6ee/0x49c0 [ 1312.583419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1312.588956] ? should_fail+0x14d/0x85c [ 1312.592848] ? __isolate_free_page+0x4c0/0x4c0 [ 1312.597443] __alloc_pages_nodemask+0x617/0x750 [ 1312.602125] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1312.607158] ? find_held_lock+0x35/0x130 [ 1312.611214] cache_grow_begin+0x91/0x8c0 [ 1312.615268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1312.620795] ? __cpuset_node_allowed+0x136/0x540 [ 1312.625561] fallback_alloc+0x1fd/0x2d0 [ 1312.629543] ____cache_alloc_node+0x1be/0x1e0 [ 1312.634033] kmem_cache_alloc_node+0xe3/0x710 [ 1312.638521] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1312.642765] __alloc_skb+0xd5/0x5f0 [ 1312.646385] ? skb_trim+0x190/0x190 [ 1312.650003] ? kasan_check_read+0x11/0x20 [ 1312.654152] ndisc_alloc_skb+0x13c/0x340 [ 1312.658210] ndisc_send_rs+0x35f/0x6e0 [ 1312.662096] addrconf_rs_timer+0x30f/0x680 [ 1312.666339] ? ipv6_get_lladdr+0x490/0x490 [ 1312.670575] call_timer_fn+0x18d/0x720 [ 1312.674456] ? ipv6_get_lladdr+0x490/0x490 [ 1312.678681] ? process_timeout+0x40/0x40 [ 1312.682734] ? run_timer_softirq+0x644/0x16a0 [ 1312.687224] ? trace_hardirqs_on+0x67/0x220 [ 1312.691542] ? ipv6_get_lladdr+0x490/0x490 [ 1312.695769] run_timer_softirq+0x64f/0x16a0 [ 1312.700102] ? add_timer+0xbe0/0xbe0 [ 1312.703811] ? __lock_is_held+0xb6/0x140 [ 1312.707878] __do_softirq+0x25c/0x921 [ 1312.711669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1312.717194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1312.722730] irq_exit+0x180/0x1d0 [ 1312.726187] smp_apic_timer_interrupt+0x13b/0x550 [ 1312.731027] apic_timer_interrupt+0xf/0x20 [ 1312.735248] [ 1312.737478] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1312.742054] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1312.760945] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1312.768647] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1312.775917] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1312.783175] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1312.790434] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1312.797704] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1312.804993] percpu_ref_put_many+0x37/0x190 [ 1312.809308] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1312.814423] mem_cgroup_iter+0x907/0xac0 [ 1312.818508] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1312.823459] ? kasan_check_read+0x11/0x20 [ 1312.827619] ? mem_cgroup_protected+0x44/0x380 [ 1312.832198] ? vmpressure+0x19f/0x350 [ 1312.836001] shrink_node+0x402/0x1450 [ 1312.839815] ? shrink_node_memcg+0x13f0/0x13f0 [ 1312.844411] ? kvm_clock_read+0x18/0x30 [ 1312.848387] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1312.853402] ? ktime_get+0x202/0x2f0 [ 1312.857114] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1312.862646] ? __cpuset_node_allowed+0x136/0x540 [ 1312.867401] do_try_to_free_pages+0x3cb/0x11c0 [ 1312.871988] ? shrink_node+0x1450/0x1450 [ 1312.876049] try_to_free_pages+0x2ee/0x7f0 [ 1312.880283] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1312.885131] __alloc_pages_slowpath+0x990/0x2870 [ 1312.889910] ? warn_alloc+0x110/0x110 [ 1312.893704] ? __lock_is_held+0xb6/0x140 [ 1312.897759] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1312.903299] ? should_fail+0x14d/0x85c [ 1312.907203] ? __might_sleep+0x95/0x190 [ 1312.911173] __alloc_pages_nodemask+0x617/0x750 [ 1312.915834] ? kasan_check_read+0x11/0x20 [ 1312.919976] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1312.924983] ? find_get_entry+0x3e1/0xa00 [ 1312.929126] ? find_get_pages_contig+0xed0/0xed0 [ 1312.933872] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1312.939402] alloc_pages_current+0x107/0x210 [ 1312.943802] __page_cache_alloc+0x2bd/0x450 [ 1312.948112] ? kasan_check_read+0x11/0x20 [ 1312.952252] filemap_fault+0xfeb/0x1f00 [ 1312.956238] ? lock_downgrade+0x880/0x880 [ 1312.960389] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1312.965055] ? lock_acquire+0x16f/0x3f0 [ 1312.969038] ? ext4_filemap_fault+0x7b/0xaf [ 1312.973362] ext4_filemap_fault+0x83/0xaf [ 1312.977501] __do_fault+0x111/0x480 [ 1312.981133] __handle_mm_fault+0x2d78/0x3f80 [ 1312.985540] ? copy_page_range+0x2030/0x2030 [ 1312.989956] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1312.994617] handle_mm_fault+0x1b5/0x690 [ 1312.998675] __do_page_fault+0x62a/0xe90 [ 1313.002744] ? vmalloc_fault+0x740/0x740 [ 1313.006798] ? trace_hardirqs_off_caller+0x65/0x220 [ 1313.011805] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1313.016728] ? page_fault+0x8/0x30 [ 1313.020268] do_page_fault+0x71/0x57d [ 1313.024059] ? page_fault+0x8/0x30 [ 1313.027605] page_fault+0x1e/0x30 [ 1313.031059] RIP: 0033:0x45b153 [ 1313.034254] Code: Bad RIP value. [ 1313.037622] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1313.042976] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1313.050238] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1313.057502] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1313.064760] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1313.072019] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1313.079298] warn_alloc_show_mem: 1 callbacks suppressed [ 1313.079307] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1313.079309] Mem-Info: [ 1313.079339] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1313.079339] active_file:12 inactive_file:12 isolated_file:0 [ 1313.079339] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1313.079339] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1313.079339] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1313.079339] free:10883 free_pcp:183 free_cma:0 [ 1313.084675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1313.091875] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1313.094266] Call Trace: [ 1313.127420] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1313.136867] dump_stack+0x197/0x210 [ 1313.164357] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1313.166951] warn_alloc.cold+0x7b/0x173 [ 1313.192774] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1313.196407] ? zone_watermark_ok_safe+0x260/0x260 [ 1313.222490] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1313.226463] ? __cpuset_node_allowed+0x136/0x540 [ 1313.231447] lowmem_reserve[]: 0 0 1 1 1 [ 1313.236296] ? __isolate_free_page+0x4c0/0x4c0 [ 1313.265090] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1313.269841] ? wake_all_kswapds+0x14d/0x300 [ 1313.273806] lowmem_reserve[]: 0 0 0 0 0 [ 1313.278385] __alloc_pages_slowpath+0x2214/0x2870 [ 1313.304116] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1313.308448] ? warn_alloc+0x110/0x110 [ 1313.312430] lowmem_reserve[]: 0 0 0 0 0 [ 1313.317283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1313.345132] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1313.348939] ? should_fail+0x14d/0x85c [ 1313.352886] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1313.358433] ? __isolate_free_page+0x4c0/0x4c0 [ 1313.370544] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1313.374459] __alloc_pages_nodemask+0x617/0x750 [ 1313.388507] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1313.393109] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1313.403759] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1313.408441] cache_grow_begin+0x91/0x8c0 [ 1313.424069] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1313.429104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1313.437914] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1313.441966] ? __cpuset_node_allowed+0x136/0x540 [ 1313.450536] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1313.456061] fallback_alloc+0x1fd/0x2d0 [ 1313.464884] 269 total pagecache pages [ 1313.469632] ____cache_alloc_node+0x1be/0x1e0 [ 1313.478185] 0 pages in swap cache [ 1313.482157] kmem_cache_alloc_node+0xe3/0x710 [ 1313.485944] Swap cache stats: add 0, delete 0, find 0/0 [ 1313.490520] __alloc_skb+0xd5/0x5f0 [ 1313.493944] Free swap = 0kB [ 1313.498443] ? skb_trim+0x190/0x190 [ 1313.503791] Total swap = 0kB [ 1313.503799] 1965979 pages RAM [ 1313.507426] ? check_preemption_disabled+0x48/0x290 [ 1313.507443] ? lock_acquire+0x16f/0x3f0 [ 1313.510431] 0 pages HighMem/MovableOnly [ 1313.510438] 341726 pages reserved [ 1313.514073] new_skb+0x28/0x1d0 [ 1313.517078] 0 pages cma reserved [ 1313.520190] aoecmd_cfg+0x1b5/0x640 [ 1313.525277] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1313.529206] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1313.533248] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1313.536624] ? timer_reduce+0x11d0/0x11d0 [ 1313.539873] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1313.543268] discover_timer+0x4e/0x60 [ 1313.580964] call_timer_fn+0x18d/0x720 [ 1313.584849] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1313.589514] ? process_timeout+0x40/0x40 [ 1313.595307] ? run_timer_softirq+0x644/0x16a0 [ 1313.599804] ? trace_hardirqs_on+0x67/0x220 [ 1313.604126] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1313.608800] run_timer_softirq+0x64f/0x16a0 [ 1313.613118] ? add_timer+0xbe0/0xbe0 [ 1313.616823] ? kvm_clock_read+0x18/0x30 [ 1313.620793] ? check_preemption_disabled+0x48/0x290 [ 1313.625811] ? sched_clock+0x2e/0x50 [ 1313.629572] __do_softirq+0x25c/0x921 [ 1313.633365] ? preempt_schedule_common+0x4f/0xe0 [ 1313.638122] ? takeover_tasklets+0x7b0/0x7b0 [ 1313.642524] run_ksoftirqd+0x8e/0x110 [ 1313.646329] smpboot_thread_fn+0x6a3/0xa30 [ 1313.650558] ? sort_range+0x30/0x30 [ 1313.654176] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1313.659705] ? __kthread_parkme+0xfb/0x1b0 [ 1313.663936] kthread+0x354/0x420 [ 1313.667307] ? sort_range+0x30/0x30 [ 1313.670926] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1313.676470] ret_from_fork+0x24/0x30 [ 1313.680192] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1313.680253] aoe: skb alloc failure [ 1313.687565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1313.687570] Call Trace: [ 1313.687576] [ 1313.687595] dump_stack+0x197/0x210 [ 1313.687613] warn_alloc.cold+0x7b/0x173 [ 1313.691153] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1313.700488] ? zone_watermark_ok_safe+0x260/0x260 [ 1313.703056] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1313.705199] ? __cpuset_node_allowed+0x136/0x540 [ 1313.737467] ? __isolate_free_page+0x4c0/0x4c0 [ 1313.742042] ? wake_all_kswapds+0x14d/0x300 [ 1313.746362] __alloc_pages_slowpath+0x2214/0x2870 [ 1313.751214] ? warn_alloc+0x110/0x110 [ 1313.755007] ? __lock_acquire+0x6ee/0x49c0 [ 1313.759237] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1313.764771] ? should_fail+0x14d/0x85c [ 1313.768657] ? __isolate_free_page+0x4c0/0x4c0 [ 1313.773241] __alloc_pages_nodemask+0x617/0x750 [ 1313.777911] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1313.782941] ? find_held_lock+0x35/0x130 [ 1313.787010] cache_grow_begin+0x91/0x8c0 [ 1313.791065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1313.796593] ? __cpuset_node_allowed+0x136/0x540 [ 1313.801368] fallback_alloc+0x1fd/0x2d0 [ 1313.805352] ____cache_alloc_node+0x1be/0x1e0 [ 1313.809845] kmem_cache_alloc_node+0xe3/0x710 [ 1313.814339] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1313.818573] __alloc_skb+0xd5/0x5f0 [ 1313.822195] ? skb_trim+0x190/0x190 [ 1313.825812] ? kasan_check_read+0x11/0x20 [ 1313.829976] ndisc_alloc_skb+0x13c/0x340 [ 1313.834045] ndisc_send_rs+0x35f/0x6e0 [ 1313.837932] addrconf_rs_timer+0x30f/0x680 [ 1313.842163] ? ipv6_get_lladdr+0x490/0x490 [ 1313.846398] call_timer_fn+0x18d/0x720 [ 1313.850285] ? ipv6_get_lladdr+0x490/0x490 [ 1313.854529] ? process_timeout+0x40/0x40 [ 1313.858581] ? run_timer_softirq+0x644/0x16a0 [ 1313.863074] ? trace_hardirqs_on+0x67/0x220 [ 1313.867390] ? ipv6_get_lladdr+0x490/0x490 [ 1313.871622] run_timer_softirq+0x64f/0x16a0 [ 1313.875941] ? add_timer+0xbe0/0xbe0 [ 1313.879657] ? __lock_is_held+0xb6/0x140 [ 1313.883724] __do_softirq+0x25c/0x921 [ 1313.887529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1313.893082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1313.898636] irq_exit+0x180/0x1d0 [ 1313.902102] smp_apic_timer_interrupt+0x13b/0x550 [ 1313.906944] apic_timer_interrupt+0xf/0x20 [ 1313.911166] [ 1313.913420] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1313.918002] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1313.936903] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1313.944604] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1313.951867] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1313.959139] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1313.966397] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1313.973663] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1313.980954] percpu_ref_put_many+0x37/0x190 [ 1313.985269] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1313.990363] mem_cgroup_iter+0x907/0xac0 [ 1313.994421] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1313.999186] ? kasan_check_read+0x11/0x20 [ 1314.003325] ? mem_cgroup_protected+0x44/0x380 [ 1314.007897] ? vmpressure+0x19f/0x350 [ 1314.011707] shrink_node+0x402/0x1450 [ 1314.015516] ? shrink_node_memcg+0x13f0/0x13f0 [ 1314.020090] ? kvm_clock_read+0x18/0x30 [ 1314.024056] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1314.029076] ? ktime_get+0x202/0x2f0 [ 1314.032796] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1314.038327] ? __cpuset_node_allowed+0x136/0x540 [ 1314.043080] do_try_to_free_pages+0x3cb/0x11c0 [ 1314.047686] ? shrink_node+0x1450/0x1450 [ 1314.051758] try_to_free_pages+0x2ee/0x7f0 [ 1314.056076] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1314.060927] __alloc_pages_slowpath+0x990/0x2870 [ 1314.065693] ? warn_alloc+0x110/0x110 [ 1314.069572] ? __lock_is_held+0xb6/0x140 [ 1314.073627] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1314.079420] ? should_fail+0x14d/0x85c [ 1314.083311] ? __might_sleep+0x95/0x190 [ 1314.087285] __alloc_pages_nodemask+0x617/0x750 [ 1314.091944] ? kasan_check_read+0x11/0x20 [ 1314.096087] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1314.101104] ? find_get_entry+0x3e1/0xa00 [ 1314.105246] ? find_get_pages_contig+0xed0/0xed0 [ 1314.110005] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1314.115537] alloc_pages_current+0x107/0x210 [ 1314.119941] __page_cache_alloc+0x2bd/0x450 [ 1314.124265] ? kasan_check_read+0x11/0x20 [ 1314.128419] filemap_fault+0xfeb/0x1f00 [ 1314.132388] ? lock_downgrade+0x880/0x880 [ 1314.136540] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1314.141218] ? lock_acquire+0x16f/0x3f0 [ 1314.145189] ? ext4_filemap_fault+0x7b/0xaf [ 1314.149522] ext4_filemap_fault+0x83/0xaf [ 1314.153659] __do_fault+0x111/0x480 [ 1314.157283] __handle_mm_fault+0x2d78/0x3f80 [ 1314.161686] ? copy_page_range+0x2030/0x2030 [ 1314.166098] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1314.170760] handle_mm_fault+0x1b5/0x690 [ 1314.174816] __do_page_fault+0x62a/0xe90 [ 1314.178873] ? vmalloc_fault+0x740/0x740 [ 1314.182931] ? trace_hardirqs_off_caller+0x65/0x220 [ 1314.187935] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1314.192856] ? page_fault+0x8/0x30 [ 1314.196395] do_page_fault+0x71/0x57d [ 1314.200187] ? page_fault+0x8/0x30 [ 1314.203805] page_fault+0x1e/0x30 [ 1314.207249] RIP: 0033:0x45b153 [ 1314.210441] Code: Bad RIP value. [ 1314.213805] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1314.219162] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1314.226453] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1314.233728] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1314.240996] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1314.248265] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1314.255550] warn_alloc_show_mem: 1 callbacks suppressed [ 1314.255560] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1314.255562] Mem-Info: [ 1314.255591] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1314.255591] active_file:12 inactive_file:12 isolated_file:0 [ 1314.255591] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1314.255591] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1314.255591] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1314.255591] free:10883 free_pcp:183 free_cma:0 [ 1314.260935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1314.268123] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1314.270519] Call Trace: [ 1314.303663] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1314.313013] dump_stack+0x197/0x210 [ 1314.340480] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1314.343078] warn_alloc.cold+0x7b/0x173 [ 1314.368894] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1314.372533] ? zone_watermark_ok_safe+0x260/0x260 [ 1314.398636] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1314.402634] ? __cpuset_node_allowed+0x136/0x540 [ 1314.407616] lowmem_reserve[]: 0 0 1 1 1 [ 1314.412473] ? __isolate_free_page+0x4c0/0x4c0 [ 1314.441255] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1314.446017] ? wake_all_kswapds+0x14d/0x300 [ 1314.449978] lowmem_reserve[]: 0 0 0 0 0 [ 1314.454577] __alloc_pages_slowpath+0x2214/0x2870 [ 1314.480315] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1314.484676] ? warn_alloc+0x110/0x110 [ 1314.488613] lowmem_reserve[]: 0 0 0 0 0 [ 1314.493450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1314.521270] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1314.525067] ? should_fail+0x14d/0x85c [ 1314.529014] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1314.534559] ? __isolate_free_page+0x4c0/0x4c0 [ 1314.546675] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1314.550578] __alloc_pages_nodemask+0x617/0x750 [ 1314.564590] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1314.569174] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1314.579836] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1314.584516] cache_grow_begin+0x91/0x8c0 [ 1314.600007] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1314.605013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1314.613837] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1314.617899] ? __cpuset_node_allowed+0x136/0x540 [ 1314.626470] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1314.632002] fallback_alloc+0x1fd/0x2d0 [ 1314.640828] 269 total pagecache pages [ 1314.645590] ____cache_alloc_node+0x1be/0x1e0 [ 1314.654152] 0 pages in swap cache [ 1314.658137] kmem_cache_alloc_node+0xe3/0x710 [ 1314.661909] Swap cache stats: add 0, delete 0, find 0/0 [ 1314.666416] __alloc_skb+0xd5/0x5f0 [ 1314.669857] Free swap = 0kB [ 1314.674343] ? skb_trim+0x190/0x190 [ 1314.679686] Total swap = 0kB [ 1314.685672] ? check_preemption_disabled+0x48/0x290 [ 1314.688669] 1965979 pages RAM [ 1314.692290] ? lock_acquire+0x16f/0x3f0 [ 1314.695291] 0 pages HighMem/MovableOnly [ 1314.700303] new_skb+0x28/0x1d0 [ 1314.703394] 341726 pages reserved [ 1314.707375] aoecmd_cfg+0x1b5/0x640 [ 1314.711328] 0 pages cma reserved [ 1314.714617] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1314.718109] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1314.721681] ? timer_reduce+0x11d0/0x11d0 [ 1314.725114] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1314.729372] discover_timer+0x4e/0x60 [ 1314.735858] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1314.740024] call_timer_fn+0x18d/0x720 [ 1314.762662] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1314.767332] ? process_timeout+0x40/0x40 [ 1314.771409] ? run_timer_softirq+0x644/0x16a0 [ 1314.776018] ? trace_hardirqs_on+0x67/0x220 [ 1314.780352] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1314.785016] run_timer_softirq+0x64f/0x16a0 [ 1314.789345] ? add_timer+0xbe0/0xbe0 [ 1314.793057] ? kvm_clock_read+0x18/0x30 [ 1314.797033] ? check_preemption_disabled+0x48/0x290 [ 1314.802053] ? sched_clock+0x2e/0x50 [ 1314.805774] __do_softirq+0x25c/0x921 [ 1314.809569] ? preempt_schedule_common+0x4f/0xe0 [ 1314.814326] ? takeover_tasklets+0x7b0/0x7b0 [ 1314.818728] run_ksoftirqd+0x8e/0x110 [ 1314.822544] smpboot_thread_fn+0x6a3/0xa30 [ 1314.826774] ? sort_range+0x30/0x30 [ 1314.830408] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1314.835940] ? __kthread_parkme+0xfb/0x1b0 [ 1314.840172] kthread+0x354/0x420 [ 1314.843532] ? sort_range+0x30/0x30 [ 1314.847154] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1314.852685] ret_from_fork+0x24/0x30 [ 1314.857984] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1314.858051] aoe: skb alloc failure [ 1314.865356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1314.865361] Call Trace: [ 1314.865367] [ 1314.865383] dump_stack+0x197/0x210 [ 1314.865401] warn_alloc.cold+0x7b/0x173 [ 1314.868941] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1314.878294] ? zone_watermark_ok_safe+0x260/0x260 [ 1314.880851] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1314.882990] ? __cpuset_node_allowed+0x136/0x540 [ 1314.915345] ? __isolate_free_page+0x4c0/0x4c0 [ 1314.919921] ? wake_all_kswapds+0x14d/0x300 [ 1314.924242] __alloc_pages_slowpath+0x2214/0x2870 [ 1314.929103] ? warn_alloc+0x110/0x110 [ 1314.932905] ? __lock_acquire+0x6ee/0x49c0 [ 1314.937134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1314.942663] ? should_fail+0x14d/0x85c [ 1314.946552] ? __isolate_free_page+0x4c0/0x4c0 [ 1314.951135] __alloc_pages_nodemask+0x617/0x750 [ 1314.955801] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1314.960832] ? find_held_lock+0x35/0x130 [ 1314.964892] cache_grow_begin+0x91/0x8c0 [ 1314.968963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1314.974510] ? __cpuset_node_allowed+0x136/0x540 [ 1314.979294] fallback_alloc+0x1fd/0x2d0 [ 1314.983274] ____cache_alloc_node+0x1be/0x1e0 [ 1314.987787] kmem_cache_alloc_node+0xe3/0x710 [ 1314.992282] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1314.996521] __alloc_skb+0xd5/0x5f0 [ 1315.000157] ? skb_trim+0x190/0x190 [ 1315.003788] ? kasan_check_read+0x11/0x20 [ 1315.007939] ndisc_alloc_skb+0x13c/0x340 [ 1315.011998] ndisc_send_rs+0x35f/0x6e0 [ 1315.015884] addrconf_rs_timer+0x30f/0x680 [ 1315.020114] ? ipv6_get_lladdr+0x490/0x490 [ 1315.024351] call_timer_fn+0x18d/0x720 [ 1315.028231] ? ipv6_get_lladdr+0x490/0x490 [ 1315.032473] ? process_timeout+0x40/0x40 [ 1315.036526] ? run_timer_softirq+0x644/0x16a0 [ 1315.041014] ? trace_hardirqs_on+0x67/0x220 [ 1315.045328] ? ipv6_get_lladdr+0x490/0x490 [ 1315.049572] run_timer_softirq+0x64f/0x16a0 [ 1315.053895] ? add_timer+0xbe0/0xbe0 [ 1315.057604] ? __lock_is_held+0xb6/0x140 [ 1315.061673] __do_softirq+0x25c/0x921 [ 1315.065467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1315.070996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1315.076548] irq_exit+0x180/0x1d0 [ 1315.080008] smp_apic_timer_interrupt+0x13b/0x550 [ 1315.084855] apic_timer_interrupt+0xf/0x20 [ 1315.089080] [ 1315.091310] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1315.095887] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1315.114785] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1315.122482] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1315.129754] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1315.137023] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1315.144293] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1315.151565] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1315.158851] percpu_ref_put_many+0x37/0x190 [ 1315.163166] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1315.168261] mem_cgroup_iter+0x907/0xac0 [ 1315.172328] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1315.177080] ? kasan_check_read+0x11/0x20 [ 1315.181219] ? mem_cgroup_protected+0x44/0x380 [ 1315.185793] ? vmpressure+0x19f/0x350 [ 1315.189590] shrink_node+0x402/0x1450 [ 1315.193398] ? shrink_node_memcg+0x13f0/0x13f0 [ 1315.197974] ? kvm_clock_read+0x18/0x30 [ 1315.201941] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1315.206948] ? ktime_get+0x202/0x2f0 [ 1315.210668] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1315.216196] ? __cpuset_node_allowed+0x136/0x540 [ 1315.220948] do_try_to_free_pages+0x3cb/0x11c0 [ 1315.225547] ? shrink_node+0x1450/0x1450 [ 1315.229623] try_to_free_pages+0x2ee/0x7f0 [ 1315.233853] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1315.238705] __alloc_pages_slowpath+0x990/0x2870 [ 1315.243479] ? warn_alloc+0x110/0x110 [ 1315.247272] ? __lock_is_held+0xb6/0x140 [ 1315.251337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1315.256897] ? should_fail+0x14d/0x85c [ 1315.260796] ? __might_sleep+0x95/0x190 [ 1315.264881] __alloc_pages_nodemask+0x617/0x750 [ 1315.269567] ? kasan_check_read+0x11/0x20 [ 1315.273721] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1315.278746] ? find_get_entry+0x3e1/0xa00 [ 1315.282901] ? find_get_pages_contig+0xed0/0xed0 [ 1315.287659] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1315.293199] alloc_pages_current+0x107/0x210 [ 1315.297620] __page_cache_alloc+0x2bd/0x450 [ 1315.301952] ? kasan_check_read+0x11/0x20 [ 1315.306132] filemap_fault+0xfeb/0x1f00 [ 1315.310213] ? lock_downgrade+0x880/0x880 [ 1315.314398] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1315.319067] ? lock_acquire+0x16f/0x3f0 [ 1315.323040] ? ext4_filemap_fault+0x7b/0xaf [ 1315.327379] ext4_filemap_fault+0x83/0xaf [ 1315.331523] __do_fault+0x111/0x480 [ 1315.335149] __handle_mm_fault+0x2d78/0x3f80 [ 1315.339559] ? copy_page_range+0x2030/0x2030 [ 1315.343978] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1315.348642] handle_mm_fault+0x1b5/0x690 [ 1315.352701] __do_page_fault+0x62a/0xe90 [ 1315.356760] ? vmalloc_fault+0x740/0x740 [ 1315.360817] ? trace_hardirqs_off_caller+0x65/0x220 [ 1315.365826] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1315.370747] ? page_fault+0x8/0x30 [ 1315.374281] do_page_fault+0x71/0x57d [ 1315.378077] ? page_fault+0x8/0x30 [ 1315.381610] page_fault+0x1e/0x30 [ 1315.385054] RIP: 0033:0x45b153 [ 1315.388261] Code: Bad RIP value. [ 1315.391614] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1315.396977] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1315.404236] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1315.411505] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1315.418766] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1315.426040] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1315.433317] warn_alloc_show_mem: 1 callbacks suppressed [ 1315.433327] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1315.433329] Mem-Info: [ 1315.433358] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1315.433358] active_file:12 inactive_file:12 isolated_file:0 [ 1315.433358] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1315.433358] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1315.433358] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1315.433358] free:10883 free_pcp:183 free_cma:0 [ 1315.438697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1315.445883] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1315.448273] Call Trace: [ 1315.481637] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1315.490979] dump_stack+0x197/0x210 [ 1315.518455] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1315.521042] warn_alloc.cold+0x7b/0x173 [ 1315.546854] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1315.550496] ? zone_watermark_ok_safe+0x260/0x260 [ 1315.576576] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1315.580550] ? __cpuset_node_allowed+0x136/0x540 [ 1315.585541] lowmem_reserve[]: 0 0 1 1 1 [ 1315.590387] ? __isolate_free_page+0x4c0/0x4c0 [ 1315.619172] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1315.623922] ? wake_all_kswapds+0x14d/0x300 [ 1315.627867] lowmem_reserve[]: 0 0 0 0 0 [ 1315.632464] __alloc_pages_slowpath+0x2214/0x2870 [ 1315.658223] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1315.662574] ? warn_alloc+0x110/0x110 [ 1315.666496] lowmem_reserve[]: 0 0 0 0 0 [ 1315.671332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1315.699436] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1315.703265] ? should_fail+0x14d/0x85c [ 1315.707219] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1315.712773] ? __isolate_free_page+0x4c0/0x4c0 [ 1315.724879] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1315.729557] __alloc_pages_nodemask+0x617/0x750 [ 1315.743567] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1315.748150] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1315.758799] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1315.763467] cache_grow_begin+0x91/0x8c0 [ 1315.778966] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1315.783982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1315.792793] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1315.796839] ? __cpuset_node_allowed+0x136/0x540 [ 1315.805391] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1315.805399] 269 total pagecache pages [ 1315.810924] fallback_alloc+0x1fd/0x2d0 [ 1315.819754] 0 pages in swap cache [ 1315.824497] ____cache_alloc_node+0x1be/0x1e0 [ 1315.833043] Swap cache stats: add 0, delete 0, find 0/0 [ 1315.833050] Free swap = 0kB [ 1315.836853] kmem_cache_alloc_node+0xe3/0x710 [ 1315.840794] Total swap = 0kB [ 1315.840803] 1965979 pages RAM [ 1315.844252] __alloc_skb+0xd5/0x5f0 [ 1315.848710] 0 pages HighMem/MovableOnly [ 1315.848717] 341726 pages reserved [ 1315.854069] ? skb_trim+0x190/0x190 [ 1315.857062] 0 pages cma reserved [ 1315.861548] ? check_preemption_disabled+0x48/0x290 [ 1315.864595] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1315.867648] ? lock_acquire+0x16f/0x3f0 [ 1315.867667] new_skb+0x28/0x1d0 [ 1315.867681] aoecmd_cfg+0x1b5/0x640 [ 1315.871393] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1315.875277] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1315.878708] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1315.882327] ? timer_reduce+0x11d0/0x11d0 [ 1315.931312] discover_timer+0x4e/0x60 [ 1315.935107] call_timer_fn+0x18d/0x720 [ 1315.939007] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1315.943669] ? process_timeout+0x40/0x40 [ 1315.947722] ? run_timer_softirq+0x644/0x16a0 [ 1315.952217] ? trace_hardirqs_on+0x67/0x220 [ 1315.956538] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1315.961215] run_timer_softirq+0x64f/0x16a0 [ 1315.965536] ? add_timer+0xbe0/0xbe0 [ 1315.969239] ? kvm_clock_read+0x18/0x30 [ 1315.973209] ? check_preemption_disabled+0x48/0x290 [ 1315.978232] ? sched_clock+0x2e/0x50 [ 1315.981951] __do_softirq+0x25c/0x921 [ 1315.985743] ? preempt_schedule_common+0x4f/0xe0 [ 1315.990515] ? takeover_tasklets+0x7b0/0x7b0 [ 1315.994915] run_ksoftirqd+0x8e/0x110 [ 1315.998718] smpboot_thread_fn+0x6a3/0xa30 [ 1316.002959] ? sort_range+0x30/0x30 [ 1316.006580] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1316.012194] ? __kthread_parkme+0xfb/0x1b0 [ 1316.016441] kthread+0x354/0x420 [ 1316.019797] ? sort_range+0x30/0x30 [ 1316.023415] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1316.028944] ret_from_fork+0x24/0x30 [ 1316.032669] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1316.032722] aoe: skb alloc failure [ 1316.040029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1316.040034] Call Trace: [ 1316.040040] [ 1316.040056] dump_stack+0x197/0x210 [ 1316.040073] warn_alloc.cold+0x7b/0x173 [ 1316.043622] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1316.053000] ? zone_watermark_ok_safe+0x260/0x260 [ 1316.055565] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1316.057720] ? __cpuset_node_allowed+0x136/0x540 [ 1316.089985] ? __isolate_free_page+0x4c0/0x4c0 [ 1316.094563] ? wake_all_kswapds+0x14d/0x300 [ 1316.098888] __alloc_pages_slowpath+0x2214/0x2870 [ 1316.103739] ? warn_alloc+0x110/0x110 [ 1316.107538] ? __lock_acquire+0x6ee/0x49c0 [ 1316.111767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1316.117296] ? should_fail+0x14d/0x85c [ 1316.121180] ? __isolate_free_page+0x4c0/0x4c0 [ 1316.125766] __alloc_pages_nodemask+0x617/0x750 [ 1316.130432] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1316.135475] ? find_held_lock+0x35/0x130 [ 1316.139535] cache_grow_begin+0x91/0x8c0 [ 1316.143590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1316.149119] ? __cpuset_node_allowed+0x136/0x540 [ 1316.153871] fallback_alloc+0x1fd/0x2d0 [ 1316.157842] ____cache_alloc_node+0x1be/0x1e0 [ 1316.162334] kmem_cache_alloc+0x1f3/0x700 [ 1316.166478] ? mark_held_locks+0xb1/0x100 [ 1316.170621] ? __netdev_alloc_skb+0x370/0x470 [ 1316.175125] __build_skb+0x3e/0x310 [ 1316.178746] __netdev_alloc_skb+0x2ba/0x470 [ 1316.183080] send_hsr_supervision_frame+0x110/0xf30 [ 1316.188087] ? lock_acquire+0x16f/0x3f0 [ 1316.192074] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1316.197263] hsr_announce+0x12f/0x3b0 [ 1316.201065] call_timer_fn+0x18d/0x720 [ 1316.204951] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1316.210141] ? process_timeout+0x40/0x40 [ 1316.214204] ? run_timer_softirq+0x644/0x16a0 [ 1316.218698] ? trace_hardirqs_on+0x67/0x220 [ 1316.223036] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1316.228242] run_timer_softirq+0x64f/0x16a0 [ 1316.232562] ? add_timer+0xbe0/0xbe0 [ 1316.236270] ? __lock_is_held+0xb6/0x140 [ 1316.240332] __do_softirq+0x25c/0x921 [ 1316.244128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1316.249654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1316.255190] irq_exit+0x180/0x1d0 [ 1316.258637] smp_apic_timer_interrupt+0x13b/0x550 [ 1316.263474] apic_timer_interrupt+0xf/0x20 [ 1316.267694] [ 1316.269937] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1316.274530] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1316.293422] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1316.301305] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1316.308564] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1316.315823] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1316.323081] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1316.330354] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1316.337642] percpu_ref_put_many+0x37/0x190 [ 1316.341979] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1316.347074] mem_cgroup_iter+0x907/0xac0 [ 1316.351132] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1316.355880] ? kasan_check_read+0x11/0x20 [ 1316.360024] ? mem_cgroup_protected+0x44/0x380 [ 1316.364605] ? vmpressure+0x19f/0x350 [ 1316.368404] shrink_node+0x402/0x1450 [ 1316.372212] ? shrink_node_memcg+0x13f0/0x13f0 [ 1316.376816] ? kvm_clock_read+0x18/0x30 [ 1316.380793] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1316.385853] ? ktime_get+0x202/0x2f0 [ 1316.389585] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1316.395124] ? __cpuset_node_allowed+0x136/0x540 [ 1316.399899] do_try_to_free_pages+0x3cb/0x11c0 [ 1316.404583] ? shrink_node+0x1450/0x1450 [ 1316.408651] try_to_free_pages+0x2ee/0x7f0 [ 1316.412884] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1316.417763] __alloc_pages_slowpath+0x990/0x2870 [ 1316.422531] ? warn_alloc+0x110/0x110 [ 1316.426340] ? __lock_is_held+0xb6/0x140 [ 1316.430416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1316.435959] ? should_fail+0x14d/0x85c [ 1316.439855] ? __might_sleep+0x95/0x190 [ 1316.443832] __alloc_pages_nodemask+0x617/0x750 [ 1316.448518] ? kasan_check_read+0x11/0x20 [ 1316.452663] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1316.457673] ? find_get_entry+0x3e1/0xa00 [ 1316.461818] ? find_get_pages_contig+0xed0/0xed0 [ 1316.466567] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1316.472102] alloc_pages_current+0x107/0x210 [ 1316.476523] __page_cache_alloc+0x2bd/0x450 [ 1316.480838] ? kasan_check_read+0x11/0x20 [ 1316.484979] filemap_fault+0xfeb/0x1f00 [ 1316.488963] ? lock_downgrade+0x880/0x880 [ 1316.493113] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1316.497778] ? lock_acquire+0x16f/0x3f0 [ 1316.501744] ? ext4_filemap_fault+0x7b/0xaf [ 1316.506079] ext4_filemap_fault+0x83/0xaf [ 1316.510220] __do_fault+0x111/0x480 [ 1316.513841] __handle_mm_fault+0x2d78/0x3f80 [ 1316.518245] ? copy_page_range+0x2030/0x2030 [ 1316.522657] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1316.527323] handle_mm_fault+0x1b5/0x690 [ 1316.531382] __do_page_fault+0x62a/0xe90 [ 1316.535451] ? vmalloc_fault+0x740/0x740 [ 1316.539505] ? trace_hardirqs_off_caller+0x65/0x220 [ 1316.544527] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1316.549475] ? page_fault+0x8/0x30 [ 1316.553018] do_page_fault+0x71/0x57d [ 1316.556832] ? page_fault+0x8/0x30 [ 1316.560392] page_fault+0x1e/0x30 [ 1316.563837] RIP: 0033:0x45b153 [ 1316.567038] Code: Bad RIP value. [ 1316.570405] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1316.576021] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1316.583285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1316.590560] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1316.597841] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1316.605105] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1316.612417] warn_alloc_show_mem: 1 callbacks suppressed [ 1316.612427] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1316.612429] Mem-Info: [ 1316.612463] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1316.612463] active_file:12 inactive_file:12 isolated_file:0 [ 1316.612463] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1316.612463] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1316.612463] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1316.612463] free:10883 free_pcp:183 free_cma:0 [ 1316.617809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1316.625010] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1316.627413] Call Trace: [ 1316.660568] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1316.669914] dump_stack+0x197/0x210 [ 1316.697394] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1316.699978] warn_alloc.cold+0x7b/0x173 [ 1316.725807] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1316.729454] ? zone_watermark_ok_safe+0x260/0x260 [ 1316.729471] ? __cpuset_node_allowed+0x136/0x540 [ 1316.755552] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1316.759537] ? __isolate_free_page+0x4c0/0x4c0 [ 1316.764527] lowmem_reserve[]: 0 0 1 1 1 [ 1316.769383] ? wake_all_kswapds+0x14d/0x300 [ 1316.774110] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1316.802935] __alloc_pages_slowpath+0x2214/0x2870 [ 1316.807488] lowmem_reserve[]: 0 0 0 0 0 [ 1316.811476] ? warn_alloc+0x110/0x110 [ 1316.815757] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1316.841530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1316.846344] lowmem_reserve[]: 0 0 0 0 0 [ 1316.850317] ? should_fail+0x14d/0x85c [ 1316.854104] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1316.881945] ? __isolate_free_page+0x4c0/0x4c0 [ 1316.887453] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1316.891434] __alloc_pages_nodemask+0x617/0x750 [ 1316.895292] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1316.907433] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1316.911984] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1316.926033] cache_grow_begin+0x91/0x8c0 [ 1316.930672] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1316.941315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1316.946309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1316.961907] ? __cpuset_node_allowed+0x136/0x540 [ 1316.965963] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1316.974785] fallback_alloc+0x1fd/0x2d0 [ 1316.980301] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1316.988864] ____cache_alloc_node+0x1be/0x1e0 [ 1316.993591] 269 total pagecache pages [ 1317.002419] kmem_cache_alloc_node+0xe3/0x710 [ 1317.006380] 0 pages in swap cache [ 1317.014957] __alloc_skb+0xd5/0x5f0 [ 1317.019424] Swap cache stats: add 0, delete 0, find 0/0 [ 1317.023210] ? skb_trim+0x190/0x190 [ 1317.027690] Free swap = 0kB [ 1317.031132] ? check_preemption_disabled+0x48/0x290 [ 1317.034726] Total swap = 0kB [ 1317.034734] 1965979 pages RAM [ 1317.040095] ? lock_acquire+0x16f/0x3f0 [ 1317.043703] 0 pages HighMem/MovableOnly [ 1317.046715] new_skb+0x28/0x1d0 [ 1317.051700] 341726 pages reserved [ 1317.051708] 0 pages cma reserved [ 1317.054733] aoecmd_cfg+0x1b5/0x640 [ 1317.057924] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1317.061781] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1317.065732] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1317.069021] ? timer_reduce+0x11d0/0x11d0 [ 1317.102784] discover_timer+0x4e/0x60 [ 1317.106578] call_timer_fn+0x18d/0x720 [ 1317.110461] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1317.115123] ? process_timeout+0x40/0x40 [ 1317.119177] ? run_timer_softirq+0x644/0x16a0 [ 1317.123685] ? trace_hardirqs_on+0x67/0x220 [ 1317.128007] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1317.132694] run_timer_softirq+0x64f/0x16a0 [ 1317.137029] ? add_timer+0xbe0/0xbe0 [ 1317.140737] ? kvm_clock_read+0x18/0x30 [ 1317.144704] ? check_preemption_disabled+0x48/0x290 [ 1317.149717] ? sched_clock+0x2e/0x50 [ 1317.153443] __do_softirq+0x25c/0x921 [ 1317.157241] ? preempt_schedule_common+0x4f/0xe0 [ 1317.162020] ? takeover_tasklets+0x7b0/0x7b0 [ 1317.166432] run_ksoftirqd+0x8e/0x110 [ 1317.170246] smpboot_thread_fn+0x6a3/0xa30 [ 1317.174478] ? sort_range+0x30/0x30 [ 1317.178103] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1317.183637] ? __kthread_parkme+0xfb/0x1b0 [ 1317.187866] kthread+0x354/0x420 [ 1317.191239] ? sort_range+0x30/0x30 [ 1317.194864] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1317.200405] ret_from_fork+0x24/0x30 [ 1317.204132] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1317.204196] aoe: skb alloc failure [ 1317.211497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1317.211502] Call Trace: [ 1317.211508] [ 1317.211524] dump_stack+0x197/0x210 [ 1317.211541] warn_alloc.cold+0x7b/0x173 [ 1317.215116] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1317.224432] ? zone_watermark_ok_safe+0x260/0x260 [ 1317.227006] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1317.229147] ? __cpuset_node_allowed+0x136/0x540 [ 1317.261407] ? __isolate_free_page+0x4c0/0x4c0 [ 1317.265983] ? wake_all_kswapds+0x14d/0x300 [ 1317.270307] __alloc_pages_slowpath+0x2214/0x2870 [ 1317.275162] ? warn_alloc+0x110/0x110 [ 1317.278958] ? __lock_acquire+0x6ee/0x49c0 [ 1317.283189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1317.288735] ? should_fail+0x14d/0x85c [ 1317.292618] ? __isolate_free_page+0x4c0/0x4c0 [ 1317.297201] __alloc_pages_nodemask+0x617/0x750 [ 1317.301869] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1317.306885] ? find_held_lock+0x35/0x130 [ 1317.310943] cache_grow_begin+0x91/0x8c0 [ 1317.314999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1317.320528] ? __cpuset_node_allowed+0x136/0x540 [ 1317.325278] fallback_alloc+0x1fd/0x2d0 [ 1317.329259] ____cache_alloc_node+0x1be/0x1e0 [ 1317.333751] kmem_cache_alloc_node+0xe3/0x710 [ 1317.338239] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1317.342472] __alloc_skb+0xd5/0x5f0 [ 1317.346096] ? skb_trim+0x190/0x190 [ 1317.349714] ? kasan_check_read+0x11/0x20 [ 1317.353860] ndisc_alloc_skb+0x13c/0x340 [ 1317.357932] ndisc_send_rs+0x35f/0x6e0 [ 1317.361817] addrconf_rs_timer+0x30f/0x680 [ 1317.366066] ? ipv6_get_lladdr+0x490/0x490 [ 1317.370311] call_timer_fn+0x18d/0x720 [ 1317.374194] ? ipv6_get_lladdr+0x490/0x490 [ 1317.378420] ? process_timeout+0x40/0x40 [ 1317.382474] ? run_timer_softirq+0x644/0x16a0 [ 1317.386965] ? trace_hardirqs_on+0x67/0x220 [ 1317.391293] ? ipv6_get_lladdr+0x490/0x490 [ 1317.395540] run_timer_softirq+0x64f/0x16a0 [ 1317.399870] ? add_timer+0xbe0/0xbe0 [ 1317.403577] ? __lock_is_held+0xb6/0x140 [ 1317.407673] __do_softirq+0x25c/0x921 [ 1317.411479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1317.417033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1317.422581] irq_exit+0x180/0x1d0 [ 1317.426052] smp_apic_timer_interrupt+0x13b/0x550 [ 1317.430892] apic_timer_interrupt+0xf/0x20 [ 1317.435128] [ 1317.437360] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1317.441948] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1317.460871] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1317.468607] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1317.475876] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1317.483153] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1317.490506] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1317.497773] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1317.505076] percpu_ref_put_many+0x37/0x190 [ 1317.509394] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1317.514494] mem_cgroup_iter+0x907/0xac0 [ 1317.518555] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1317.523306] ? kasan_check_read+0x11/0x20 [ 1317.527446] ? mem_cgroup_protected+0x44/0x380 [ 1317.532020] ? vmpressure+0x19f/0x350 [ 1317.535832] shrink_node+0x402/0x1450 [ 1317.539646] ? shrink_node_memcg+0x13f0/0x13f0 [ 1317.544221] ? kvm_clock_read+0x18/0x30 [ 1317.548207] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1317.553218] ? ktime_get+0x202/0x2f0 [ 1317.556926] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1317.562457] ? __cpuset_node_allowed+0x136/0x540 [ 1317.567212] do_try_to_free_pages+0x3cb/0x11c0 [ 1317.571807] ? shrink_node+0x1450/0x1450 [ 1317.575884] try_to_free_pages+0x2ee/0x7f0 [ 1317.580119] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1317.584984] __alloc_pages_slowpath+0x990/0x2870 [ 1317.589749] ? warn_alloc+0x110/0x110 [ 1317.593553] ? __lock_is_held+0xb6/0x140 [ 1317.597735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1317.603300] ? should_fail+0x14d/0x85c [ 1317.607202] ? __might_sleep+0x95/0x190 [ 1317.611181] __alloc_pages_nodemask+0x617/0x750 [ 1317.615916] ? kasan_check_read+0x11/0x20 [ 1317.620125] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1317.625142] ? find_get_entry+0x3e1/0xa00 [ 1317.629316] ? find_get_pages_contig+0xed0/0xed0 [ 1317.634094] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1317.639653] alloc_pages_current+0x107/0x210 [ 1317.644089] __page_cache_alloc+0x2bd/0x450 [ 1317.648412] ? kasan_check_read+0x11/0x20 [ 1317.652565] filemap_fault+0xfeb/0x1f00 [ 1317.656556] ? lock_downgrade+0x880/0x880 [ 1317.660710] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1317.665376] ? lock_acquire+0x16f/0x3f0 [ 1317.669344] ? ext4_filemap_fault+0x7b/0xaf [ 1317.673667] ext4_filemap_fault+0x83/0xaf [ 1317.677810] __do_fault+0x111/0x480 [ 1317.681431] __handle_mm_fault+0x2d78/0x3f80 [ 1317.685835] ? copy_page_range+0x2030/0x2030 [ 1317.690248] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1317.694912] handle_mm_fault+0x1b5/0x690 [ 1317.698968] __do_page_fault+0x62a/0xe90 [ 1317.703030] ? vmalloc_fault+0x740/0x740 [ 1317.707087] ? trace_hardirqs_off_caller+0x65/0x220 [ 1317.712097] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1317.717019] ? page_fault+0x8/0x30 [ 1317.720568] do_page_fault+0x71/0x57d [ 1317.724365] ? page_fault+0x8/0x30 [ 1317.727897] page_fault+0x1e/0x30 [ 1317.731340] RIP: 0033:0x45b153 [ 1317.734537] Code: Bad RIP value. [ 1317.737890] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1317.743260] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1317.750521] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1317.757780] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1317.765053] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1317.772313] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1317.779592] warn_alloc_show_mem: 1 callbacks suppressed [ 1317.779602] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1317.779604] Mem-Info: [ 1317.779632] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1317.779632] active_file:12 inactive_file:12 isolated_file:0 [ 1317.779632] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1317.779632] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1317.779632] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1317.779632] free:10883 free_pcp:183 free_cma:0 [ 1317.784975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1317.792179] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1317.794567] Call Trace: [ 1317.827719] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1317.837053] dump_stack+0x197/0x210 [ 1317.864557] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1317.867158] warn_alloc.cold+0x7b/0x173 [ 1317.892969] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1317.896600] ? zone_watermark_ok_safe+0x260/0x260 [ 1317.922692] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1317.926680] ? __cpuset_node_allowed+0x136/0x540 [ 1317.931663] lowmem_reserve[]: 0 0 1 1 1 [ 1317.936528] ? __isolate_free_page+0x4c0/0x4c0 [ 1317.965333] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1317.970098] ? wake_all_kswapds+0x14d/0x300 [ 1317.974046] lowmem_reserve[]: 0 0 0 0 0 [ 1317.978648] __alloc_pages_slowpath+0x2214/0x2870 [ 1318.004388] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1318.008734] ? warn_alloc+0x110/0x110 [ 1318.012667] lowmem_reserve[]: 0 0 0 0 0 [ 1318.017522] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1318.045357] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1318.049152] ? should_fail+0x14d/0x85c [ 1318.053103] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1318.058636] ? __isolate_free_page+0x4c0/0x4c0 [ 1318.070751] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1318.074639] __alloc_pages_nodemask+0x617/0x750 [ 1318.088647] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1318.093233] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1318.103866] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1318.108545] cache_grow_begin+0x91/0x8c0 [ 1318.124032] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1318.129034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1318.137846] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1318.141894] ? __cpuset_node_allowed+0x136/0x540 [ 1318.150459] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1318.155996] fallback_alloc+0x1fd/0x2d0 [ 1318.164809] 269 total pagecache pages [ 1318.169561] ____cache_alloc_node+0x1be/0x1e0 [ 1318.178112] 0 pages in swap cache [ 1318.182073] kmem_cache_alloc_node+0xe3/0x710 [ 1318.185847] Swap cache stats: add 0, delete 0, find 0/0 [ 1318.190336] __alloc_skb+0xd5/0x5f0 [ 1318.193773] Free swap = 0kB [ 1318.198255] ? skb_trim+0x190/0x190 [ 1318.203619] Total swap = 0kB [ 1318.207251] ? check_preemption_disabled+0x48/0x290 [ 1318.210257] 1965979 pages RAM [ 1318.213898] ? lock_acquire+0x16f/0x3f0 [ 1318.216920] 0 pages HighMem/MovableOnly [ 1318.216930] 341726 pages reserved [ 1318.221966] new_skb+0x28/0x1d0 [ 1318.225045] 0 pages cma reserved [ 1318.229010] aoecmd_cfg+0x1b5/0x640 [ 1318.233025] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1318.236424] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1318.236445] ? timer_reduce+0x11d0/0x11d0 [ 1318.236468] discover_timer+0x4e/0x60 [ 1318.239778] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1318.243092] call_timer_fn+0x18d/0x720 [ 1318.246697] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1318.253192] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1318.288866] ? process_timeout+0x40/0x40 [ 1318.292918] ? run_timer_softirq+0x644/0x16a0 [ 1318.297408] ? trace_hardirqs_on+0x67/0x220 [ 1318.301725] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1318.306385] run_timer_softirq+0x64f/0x16a0 [ 1318.310702] ? add_timer+0xbe0/0xbe0 [ 1318.314408] ? kvm_clock_read+0x18/0x30 [ 1318.318386] ? check_preemption_disabled+0x48/0x290 [ 1318.323393] ? sched_clock+0x2e/0x50 [ 1318.327112] __do_softirq+0x25c/0x921 [ 1318.330915] ? preempt_schedule_common+0x4f/0xe0 [ 1318.335682] ? takeover_tasklets+0x7b0/0x7b0 [ 1318.340102] run_ksoftirqd+0x8e/0x110 [ 1318.343895] smpboot_thread_fn+0x6a3/0xa30 [ 1318.348126] ? sort_range+0x30/0x30 [ 1318.351743] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1318.357284] ? __kthread_parkme+0xfb/0x1b0 [ 1318.361517] kthread+0x354/0x420 [ 1318.364874] ? sort_range+0x30/0x30 [ 1318.368496] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1318.374025] ret_from_fork+0x24/0x30 [ 1318.377787] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1318.377848] aoe: skb alloc failure [ 1318.385146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1318.385150] Call Trace: [ 1318.385156] [ 1318.385171] dump_stack+0x197/0x210 [ 1318.385189] warn_alloc.cold+0x7b/0x173 [ 1318.388740] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1318.398081] ? zone_watermark_ok_safe+0x260/0x260 [ 1318.400638] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1318.402781] ? __cpuset_node_allowed+0x136/0x540 [ 1318.435074] ? __isolate_free_page+0x4c0/0x4c0 [ 1318.439650] ? wake_all_kswapds+0x14d/0x300 [ 1318.443974] __alloc_pages_slowpath+0x2214/0x2870 [ 1318.448829] ? warn_alloc+0x110/0x110 [ 1318.452626] ? __lock_acquire+0x6ee/0x49c0 [ 1318.456854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1318.462382] ? should_fail+0x14d/0x85c [ 1318.466264] ? __isolate_free_page+0x4c0/0x4c0 [ 1318.470847] __alloc_pages_nodemask+0x617/0x750 [ 1318.475515] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1318.480545] ? find_held_lock+0x35/0x130 [ 1318.484599] cache_grow_begin+0x91/0x8c0 [ 1318.488659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1318.494271] ? __cpuset_node_allowed+0x136/0x540 [ 1318.499020] fallback_alloc+0x1fd/0x2d0 [ 1318.502994] ____cache_alloc_node+0x1be/0x1e0 [ 1318.507486] kmem_cache_alloc_node+0xe3/0x710 [ 1318.511993] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1318.516226] __alloc_skb+0xd5/0x5f0 [ 1318.519855] ? skb_trim+0x190/0x190 [ 1318.523473] ? kasan_check_read+0x11/0x20 [ 1318.527623] ndisc_alloc_skb+0x13c/0x340 [ 1318.531713] ndisc_send_rs+0x35f/0x6e0 [ 1318.535602] addrconf_rs_timer+0x30f/0x680 [ 1318.539839] ? ipv6_get_lladdr+0x490/0x490 [ 1318.544096] call_timer_fn+0x18d/0x720 [ 1318.547999] ? ipv6_get_lladdr+0x490/0x490 [ 1318.552242] ? process_timeout+0x40/0x40 [ 1318.556311] ? run_timer_softirq+0x644/0x16a0 [ 1318.560808] ? trace_hardirqs_on+0x67/0x220 [ 1318.565145] ? ipv6_get_lladdr+0x490/0x490 [ 1318.569394] run_timer_softirq+0x64f/0x16a0 [ 1318.573740] ? add_timer+0xbe0/0xbe0 [ 1318.577451] ? __lock_is_held+0xb6/0x140 [ 1318.581520] __do_softirq+0x25c/0x921 [ 1318.585317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1318.590856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1318.596399] irq_exit+0x180/0x1d0 [ 1318.599852] smp_apic_timer_interrupt+0x13b/0x550 [ 1318.604691] apic_timer_interrupt+0xf/0x20 [ 1318.608914] [ 1318.611149] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1318.615725] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1318.634631] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1318.642347] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1318.649608] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1318.656869] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1318.664128] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1318.671386] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1318.678673] percpu_ref_put_many+0x37/0x190 [ 1318.682998] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1318.688095] mem_cgroup_iter+0x907/0xac0 [ 1318.692154] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1318.696904] ? kasan_check_read+0x11/0x20 [ 1318.701058] ? mem_cgroup_protected+0x44/0x380 [ 1318.705654] ? vmpressure+0x19f/0x350 [ 1318.709451] shrink_node+0x402/0x1450 [ 1318.713257] ? shrink_node_memcg+0x13f0/0x13f0 [ 1318.717842] ? kvm_clock_read+0x18/0x30 [ 1318.721814] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1318.726828] ? ktime_get+0x202/0x2f0 [ 1318.730555] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1318.736094] ? __cpuset_node_allowed+0x136/0x540 [ 1318.740860] do_try_to_free_pages+0x3cb/0x11c0 [ 1318.745452] ? shrink_node+0x1450/0x1450 [ 1318.749515] try_to_free_pages+0x2ee/0x7f0 [ 1318.753760] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1318.758613] __alloc_pages_slowpath+0x990/0x2870 [ 1318.763380] ? warn_alloc+0x110/0x110 [ 1318.767174] ? __lock_is_held+0xb6/0x140 [ 1318.771230] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1318.776756] ? should_fail+0x14d/0x85c [ 1318.780643] ? __might_sleep+0x95/0x190 [ 1318.784615] __alloc_pages_nodemask+0x617/0x750 [ 1318.789276] ? kasan_check_read+0x11/0x20 [ 1318.793423] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1318.798432] ? find_get_entry+0x3e1/0xa00 [ 1318.802575] ? find_get_pages_contig+0xed0/0xed0 [ 1318.807322] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1318.812855] alloc_pages_current+0x107/0x210 [ 1318.817256] __page_cache_alloc+0x2bd/0x450 [ 1318.821579] ? kasan_check_read+0x11/0x20 [ 1318.825719] filemap_fault+0xfeb/0x1f00 [ 1318.829708] ? lock_downgrade+0x880/0x880 [ 1318.833854] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1318.838519] ? lock_acquire+0x16f/0x3f0 [ 1318.842485] ? ext4_filemap_fault+0x7b/0xaf [ 1318.846806] ext4_filemap_fault+0x83/0xaf [ 1318.850945] __do_fault+0x111/0x480 [ 1318.854567] __handle_mm_fault+0x2d78/0x3f80 [ 1318.858972] ? copy_page_range+0x2030/0x2030 [ 1318.863399] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1318.868062] handle_mm_fault+0x1b5/0x690 [ 1318.872118] __do_page_fault+0x62a/0xe90 [ 1318.876178] ? vmalloc_fault+0x740/0x740 [ 1318.880236] ? trace_hardirqs_off_caller+0x65/0x220 [ 1318.885244] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1318.890170] ? page_fault+0x8/0x30 [ 1318.893704] do_page_fault+0x71/0x57d [ 1318.897499] ? page_fault+0x8/0x30 [ 1318.901032] page_fault+0x1e/0x30 [ 1318.904475] RIP: 0033:0x45b153 [ 1318.907671] Code: Bad RIP value. [ 1318.911025] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1318.916394] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1318.923677] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1318.930966] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1318.938242] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1318.945508] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1318.952799] warn_alloc_show_mem: 1 callbacks suppressed [ 1318.952808] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1318.952810] Mem-Info: [ 1318.952840] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1318.952840] active_file:12 inactive_file:12 isolated_file:0 [ 1318.952840] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1318.952840] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1318.952840] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1318.952840] free:10883 free_pcp:183 free_cma:0 [ 1318.958196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1318.965383] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1318.967773] Call Trace: [ 1319.000918] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1319.010263] dump_stack+0x197/0x210 [ 1319.037730] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1319.040312] warn_alloc.cold+0x7b/0x173 [ 1319.066140] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1319.069784] ? zone_watermark_ok_safe+0x260/0x260 [ 1319.095873] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1319.099847] ? __cpuset_node_allowed+0x136/0x540 [ 1319.104839] lowmem_reserve[]: 0 0 1 1 1 [ 1319.109719] ? __isolate_free_page+0x4c0/0x4c0 [ 1319.138498] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1319.143256] ? wake_all_kswapds+0x14d/0x300 [ 1319.147199] lowmem_reserve[]: 0 0 0 0 0 [ 1319.151801] __alloc_pages_slowpath+0x2214/0x2870 [ 1319.177531] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1319.181872] ? warn_alloc+0x110/0x110 [ 1319.185807] lowmem_reserve[]: 0 0 0 0 0 [ 1319.190651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1319.218469] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1319.222263] ? should_fail+0x14d/0x85c [ 1319.226210] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1319.231760] ? __isolate_free_page+0x4c0/0x4c0 [ 1319.243877] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1319.247767] __alloc_pages_nodemask+0x617/0x750 [ 1319.262137] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1319.266732] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1319.277368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1319.283025] cache_grow_begin+0x91/0x8c0 [ 1319.298534] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1319.298549] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1319.303575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1319.312734] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1319.312742] 269 total pagecache pages [ 1319.316793] ? __cpuset_node_allowed+0x136/0x540 [ 1319.325363] 0 pages in swap cache [ 1319.334186] fallback_alloc+0x1fd/0x2d0 [ 1319.339707] Swap cache stats: add 0, delete 0, find 0/0 [ 1319.348275] ____cache_alloc_node+0x1be/0x1e0 [ 1319.352049] Free swap = 0kB [ 1319.356805] kmem_cache_alloc_node+0xe3/0x710 [ 1319.360227] Total swap = 0kB [ 1319.360236] 1965979 pages RAM [ 1319.364214] __alloc_skb+0xd5/0x5f0 [ 1319.369557] 0 pages HighMem/MovableOnly [ 1319.369565] 341726 pages reserved [ 1319.374052] ? skb_trim+0x190/0x190 [ 1319.377042] 0 pages cma reserved [ 1319.377108] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1319.381541] ? check_preemption_disabled+0x48/0x290 [ 1319.384581] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1319.387644] ? lock_acquire+0x16f/0x3f0 [ 1319.391245] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1319.395215] new_skb+0x28/0x1d0 [ 1319.439322] aoecmd_cfg+0x1b5/0x640 [ 1319.442964] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1319.447288] ? timer_reduce+0x11d0/0x11d0 [ 1319.451446] discover_timer+0x4e/0x60 [ 1319.455241] call_timer_fn+0x18d/0x720 [ 1319.459123] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1319.463794] ? process_timeout+0x40/0x40 [ 1319.467949] ? run_timer_softirq+0x644/0x16a0 [ 1319.472444] ? trace_hardirqs_on+0x67/0x220 [ 1319.476763] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1319.481610] run_timer_softirq+0x64f/0x16a0 [ 1319.485928] ? add_timer+0xbe0/0xbe0 [ 1319.489633] ? kvm_clock_read+0x18/0x30 [ 1319.493600] ? check_preemption_disabled+0x48/0x290 [ 1319.498623] ? sched_clock+0x2e/0x50 [ 1319.502373] __do_softirq+0x25c/0x921 [ 1319.506167] ? preempt_schedule_common+0x4f/0xe0 [ 1319.510924] ? takeover_tasklets+0x7b0/0x7b0 [ 1319.515337] run_ksoftirqd+0x8e/0x110 [ 1319.519132] smpboot_thread_fn+0x6a3/0xa30 [ 1319.523375] ? sort_range+0x30/0x30 [ 1319.526994] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1319.532522] ? __kthread_parkme+0xfb/0x1b0 [ 1319.536769] kthread+0x354/0x420 [ 1319.540162] ? sort_range+0x30/0x30 [ 1319.543790] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1319.549344] ret_from_fork+0x24/0x30 [ 1319.553072] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1319.553136] aoe: skb alloc failure [ 1319.560446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1319.560451] Call Trace: [ 1319.560457] [ 1319.560475] dump_stack+0x197/0x210 [ 1319.560493] warn_alloc.cold+0x7b/0x173 [ 1319.564050] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1319.573389] ? zone_watermark_ok_safe+0x260/0x260 [ 1319.575946] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1319.578096] ? __cpuset_node_allowed+0x136/0x540 [ 1319.610568] ? __isolate_free_page+0x4c0/0x4c0 [ 1319.615152] ? wake_all_kswapds+0x14d/0x300 [ 1319.619514] __alloc_pages_slowpath+0x2214/0x2870 [ 1319.624396] ? warn_alloc+0x110/0x110 [ 1319.628197] ? __lock_acquire+0x6ee/0x49c0 [ 1319.632460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1319.638002] ? should_fail+0x14d/0x85c [ 1319.641897] ? __isolate_free_page+0x4c0/0x4c0 [ 1319.646485] __alloc_pages_nodemask+0x617/0x750 [ 1319.651153] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1319.656168] ? find_held_lock+0x35/0x130 [ 1319.660228] cache_grow_begin+0x91/0x8c0 [ 1319.664284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1319.669824] ? __cpuset_node_allowed+0x136/0x540 [ 1319.674572] fallback_alloc+0x1fd/0x2d0 [ 1319.678541] ____cache_alloc_node+0x1be/0x1e0 [ 1319.683050] kmem_cache_alloc_node+0xe3/0x710 [ 1319.687539] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1319.691772] __alloc_skb+0xd5/0x5f0 [ 1319.695394] ? skb_trim+0x190/0x190 [ 1319.699025] ? kasan_check_read+0x11/0x20 [ 1319.703174] ndisc_alloc_skb+0x13c/0x340 [ 1319.707233] ndisc_send_rs+0x35f/0x6e0 [ 1319.711118] addrconf_rs_timer+0x30f/0x680 [ 1319.715347] ? ipv6_get_lladdr+0x490/0x490 [ 1319.719582] call_timer_fn+0x18d/0x720 [ 1319.723492] ? ipv6_get_lladdr+0x490/0x490 [ 1319.727746] ? process_timeout+0x40/0x40 [ 1319.731831] ? run_timer_softirq+0x644/0x16a0 [ 1319.736335] ? trace_hardirqs_on+0x67/0x220 [ 1319.740660] ? ipv6_get_lladdr+0x490/0x490 [ 1319.744890] run_timer_softirq+0x64f/0x16a0 [ 1319.749224] ? add_timer+0xbe0/0xbe0 [ 1319.752936] ? __lock_is_held+0xb6/0x140 [ 1319.757020] __do_softirq+0x25c/0x921 [ 1319.760816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1319.766348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1319.771889] irq_exit+0x180/0x1d0 [ 1319.775345] smp_apic_timer_interrupt+0x13b/0x550 [ 1319.780188] apic_timer_interrupt+0xf/0x20 [ 1319.784411] [ 1319.786655] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1319.791238] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1319.810151] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1319.817861] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1319.825133] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1319.832394] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1319.839657] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1319.846930] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1319.854576] percpu_ref_put_many+0x37/0x190 [ 1319.858892] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1319.863989] mem_cgroup_iter+0x907/0xac0 [ 1319.868059] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1319.872820] ? kasan_check_read+0x11/0x20 [ 1319.876971] ? mem_cgroup_protected+0x44/0x380 [ 1319.882856] ? vmpressure+0x19f/0x350 [ 1319.886653] shrink_node+0x402/0x1450 [ 1319.890481] ? shrink_node_memcg+0x13f0/0x13f0 [ 1319.895056] ? kvm_clock_read+0x18/0x30 [ 1319.899021] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1319.904038] ? ktime_get+0x202/0x2f0 [ 1319.907744] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1319.913282] ? __cpuset_node_allowed+0x136/0x540 [ 1319.918046] do_try_to_free_pages+0x3cb/0x11c0 [ 1319.922634] ? shrink_node+0x1450/0x1450 [ 1319.926697] try_to_free_pages+0x2ee/0x7f0 [ 1319.930939] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1319.935791] __alloc_pages_slowpath+0x990/0x2870 [ 1319.940564] ? warn_alloc+0x110/0x110 [ 1319.944371] ? __lock_is_held+0xb6/0x140 [ 1319.948447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1319.953989] ? should_fail+0x14d/0x85c [ 1319.957878] ? __might_sleep+0x95/0x190 [ 1319.961847] __alloc_pages_nodemask+0x617/0x750 [ 1319.966512] ? kasan_check_read+0x11/0x20 [ 1319.970670] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1319.975684] ? find_get_entry+0x3e1/0xa00 [ 1319.979841] ? find_get_pages_contig+0xed0/0xed0 [ 1319.984591] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1319.990122] alloc_pages_current+0x107/0x210 [ 1319.994543] __page_cache_alloc+0x2bd/0x450 [ 1319.998869] ? kasan_check_read+0x11/0x20 [ 1320.003028] filemap_fault+0xfeb/0x1f00 [ 1320.007119] ? lock_downgrade+0x880/0x880 [ 1320.011275] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1320.015943] ? lock_acquire+0x16f/0x3f0 [ 1320.019913] ? ext4_filemap_fault+0x7b/0xaf [ 1320.024261] ext4_filemap_fault+0x83/0xaf [ 1320.028409] __do_fault+0x111/0x480 [ 1320.032035] __handle_mm_fault+0x2d78/0x3f80 [ 1320.036444] ? copy_page_range+0x2030/0x2030 [ 1320.040862] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1320.045537] handle_mm_fault+0x1b5/0x690 [ 1320.049603] __do_page_fault+0x62a/0xe90 [ 1320.053922] ? vmalloc_fault+0x740/0x740 [ 1320.057977] ? trace_hardirqs_off_caller+0x65/0x220 [ 1320.062996] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1320.067946] ? page_fault+0x8/0x30 [ 1320.071481] do_page_fault+0x71/0x57d [ 1320.075285] ? page_fault+0x8/0x30 [ 1320.078817] page_fault+0x1e/0x30 [ 1320.082272] RIP: 0033:0x45b153 [ 1320.085478] Code: Bad RIP value. [ 1320.088829] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1320.094195] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1320.101454] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1320.108712] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1320.115975] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1320.123234] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1320.130515] warn_alloc_show_mem: 1 callbacks suppressed [ 1320.130525] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1320.130527] Mem-Info: [ 1320.130555] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1320.130555] active_file:12 inactive_file:12 isolated_file:0 [ 1320.130555] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1320.130555] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1320.130555] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1320.130555] free:10883 free_pcp:183 free_cma:0 [ 1320.135901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1320.143086] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1320.145497] Call Trace: [ 1320.178651] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1320.187987] dump_stack+0x197/0x210 [ 1320.215661] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1320.218243] warn_alloc.cold+0x7b/0x173 [ 1320.244056] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1320.247700] ? zone_watermark_ok_safe+0x260/0x260 [ 1320.273781] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1320.277750] ? __cpuset_node_allowed+0x136/0x540 [ 1320.282743] lowmem_reserve[]: 0 0 1 1 1 [ 1320.287592] ? __isolate_free_page+0x4c0/0x4c0 [ 1320.316447] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1320.321197] ? wake_all_kswapds+0x14d/0x300 [ 1320.325147] lowmem_reserve[]: 0 0 0 0 0 [ 1320.329730] __alloc_pages_slowpath+0x2214/0x2870 [ 1320.355916] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1320.360261] ? warn_alloc+0x110/0x110 [ 1320.364204] lowmem_reserve[]: 0 0 0 0 0 [ 1320.369062] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1320.396906] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1320.400703] ? should_fail+0x14d/0x85c [ 1320.404647] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1320.410194] ? __isolate_free_page+0x4c0/0x4c0 [ 1320.422308] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1320.426229] __alloc_pages_nodemask+0x617/0x750 [ 1320.440255] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1320.444845] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1320.455482] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1320.460149] cache_grow_begin+0x91/0x8c0 [ 1320.475652] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1320.480672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1320.489496] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1320.493543] ? __cpuset_node_allowed+0x136/0x540 [ 1320.503577] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1320.503585] 269 total pagecache pages [ 1320.509114] fallback_alloc+0x1fd/0x2d0 [ 1320.518036] 0 pages in swap cache [ 1320.522780] ____cache_alloc_node+0x1be/0x1e0 [ 1320.531325] Swap cache stats: add 0, delete 0, find 0/0 [ 1320.531333] Free swap = 0kB [ 1320.535126] kmem_cache_alloc_node+0xe3/0x710 [ 1320.539072] Total swap = 0kB [ 1320.542537] __alloc_skb+0xd5/0x5f0 [ 1320.547001] 1965979 pages RAM [ 1320.552356] ? skb_trim+0x190/0x190 [ 1320.555362] 0 pages HighMem/MovableOnly [ 1320.559878] ? check_preemption_disabled+0x48/0x290 [ 1320.562880] 341726 pages reserved [ 1320.566512] ? lock_acquire+0x16f/0x3f0 [ 1320.569594] 0 pages cma reserved [ 1320.573214] new_skb+0x28/0x1d0 [ 1320.577213] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1320.582166] aoecmd_cfg+0x1b5/0x640 [ 1320.585679] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1320.589640] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1320.592998] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1320.596284] ? timer_reduce+0x11d0/0x11d0 [ 1320.629747] discover_timer+0x4e/0x60 [ 1320.633541] call_timer_fn+0x18d/0x720 [ 1320.637425] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1320.642088] ? process_timeout+0x40/0x40 [ 1320.646141] ? run_timer_softirq+0x644/0x16a0 [ 1320.650634] ? trace_hardirqs_on+0x67/0x220 [ 1320.654952] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1320.659623] run_timer_softirq+0x64f/0x16a0 [ 1320.663953] ? add_timer+0xbe0/0xbe0 [ 1320.667678] ? kvm_clock_read+0x18/0x30 [ 1320.671644] ? check_preemption_disabled+0x48/0x290 [ 1320.676668] ? sched_clock+0x2e/0x50 [ 1320.680386] __do_softirq+0x25c/0x921 [ 1320.684181] ? preempt_schedule_common+0x4f/0xe0 [ 1320.688957] ? takeover_tasklets+0x7b0/0x7b0 [ 1320.693370] run_ksoftirqd+0x8e/0x110 [ 1320.697284] smpboot_thread_fn+0x6a3/0xa30 [ 1320.701524] ? sort_range+0x30/0x30 [ 1320.705150] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1320.710685] ? __kthread_parkme+0xfb/0x1b0 [ 1320.714931] kthread+0x354/0x420 [ 1320.718295] ? sort_range+0x30/0x30 [ 1320.721919] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1320.727451] ret_from_fork+0x24/0x30 [ 1320.731176] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1320.731255] aoe: skb alloc failure [ 1320.738537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1320.738542] Call Trace: [ 1320.738548] [ 1320.738564] dump_stack+0x197/0x210 [ 1320.738582] warn_alloc.cold+0x7b/0x173 [ 1320.742121] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1320.751446] ? zone_watermark_ok_safe+0x260/0x260 [ 1320.754023] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1320.756166] ? __cpuset_node_allowed+0x136/0x540 [ 1320.788412] ? __isolate_free_page+0x4c0/0x4c0 [ 1320.792983] ? wake_all_kswapds+0x14d/0x300 [ 1320.797302] __alloc_pages_slowpath+0x2214/0x2870 [ 1320.802151] ? warn_alloc+0x110/0x110 [ 1320.805945] ? __lock_acquire+0x6ee/0x49c0 [ 1320.810175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1320.815715] ? should_fail+0x14d/0x85c [ 1320.819609] ? __isolate_free_page+0x4c0/0x4c0 [ 1320.824195] __alloc_pages_nodemask+0x617/0x750 [ 1320.828860] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1320.833875] ? find_held_lock+0x35/0x130 [ 1320.837932] cache_grow_begin+0x91/0x8c0 [ 1320.841987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1320.847522] ? __cpuset_node_allowed+0x136/0x540 [ 1320.852285] fallback_alloc+0x1fd/0x2d0 [ 1320.856253] ____cache_alloc_node+0x1be/0x1e0 [ 1320.860745] kmem_cache_alloc+0x1f3/0x700 [ 1320.864906] ? mark_held_locks+0xb1/0x100 [ 1320.869066] ? __netdev_alloc_skb+0x370/0x470 [ 1320.873752] __build_skb+0x3e/0x310 [ 1320.877394] __netdev_alloc_skb+0x2ba/0x470 [ 1320.881731] send_hsr_supervision_frame+0x110/0xf30 [ 1320.886767] ? lock_acquire+0x16f/0x3f0 [ 1320.890758] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1320.895787] hsr_announce+0x12f/0x3b0 [ 1320.900041] call_timer_fn+0x18d/0x720 [ 1320.903925] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1320.909115] ? process_timeout+0x40/0x40 [ 1320.913178] ? run_timer_softirq+0x644/0x16a0 [ 1320.917670] ? trace_hardirqs_on+0x67/0x220 [ 1320.921988] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1320.927169] run_timer_softirq+0x64f/0x16a0 [ 1320.931489] ? add_timer+0xbe0/0xbe0 [ 1320.935199] ? __lock_is_held+0xb6/0x140 [ 1320.939261] __do_softirq+0x25c/0x921 [ 1320.943051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1320.948577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1320.954131] irq_exit+0x180/0x1d0 [ 1320.957579] smp_apic_timer_interrupt+0x13b/0x550 [ 1320.962428] apic_timer_interrupt+0xf/0x20 [ 1320.966651] [ 1320.968895] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1320.973905] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1320.992795] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1321.000496] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1321.007757] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1321.015107] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1321.022367] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1321.029632] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1321.036922] percpu_ref_put_many+0x37/0x190 [ 1321.041236] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1321.046342] mem_cgroup_iter+0x907/0xac0 [ 1321.050416] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1321.055438] ? kasan_check_read+0x11/0x20 [ 1321.059586] ? mem_cgroup_protected+0x44/0x380 [ 1321.064172] ? vmpressure+0x19f/0x350 [ 1321.067990] shrink_node+0x402/0x1450 [ 1321.071819] ? shrink_node_memcg+0x13f0/0x13f0 [ 1321.076421] ? kvm_clock_read+0x18/0x30 [ 1321.080512] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1321.085535] ? ktime_get+0x202/0x2f0 [ 1321.089271] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1321.094833] ? __cpuset_node_allowed+0x136/0x540 [ 1321.099616] do_try_to_free_pages+0x3cb/0x11c0 [ 1321.104213] ? shrink_node+0x1450/0x1450 [ 1321.108280] try_to_free_pages+0x2ee/0x7f0 [ 1321.112515] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1321.117505] __alloc_pages_slowpath+0x990/0x2870 [ 1321.122282] ? warn_alloc+0x110/0x110 [ 1321.126089] ? __lock_is_held+0xb6/0x140 [ 1321.130180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1321.135731] ? should_fail+0x14d/0x85c [ 1321.139638] ? __might_sleep+0x95/0x190 [ 1321.143652] __alloc_pages_nodemask+0x617/0x750 [ 1321.148425] ? kasan_check_read+0x11/0x20 [ 1321.152577] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1321.157611] ? find_get_entry+0x3e1/0xa00 [ 1321.161770] ? find_get_pages_contig+0xed0/0xed0 [ 1321.166548] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1321.172103] alloc_pages_current+0x107/0x210 [ 1321.176517] __page_cache_alloc+0x2bd/0x450 [ 1321.180866] ? kasan_check_read+0x11/0x20 [ 1321.185048] filemap_fault+0xfeb/0x1f00 [ 1321.189026] ? lock_downgrade+0x880/0x880 [ 1321.193182] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1321.197848] ? lock_acquire+0x16f/0x3f0 [ 1321.201844] ? ext4_filemap_fault+0x7b/0xaf [ 1321.206256] ext4_filemap_fault+0x83/0xaf [ 1321.210403] __do_fault+0x111/0x480 [ 1321.214035] __handle_mm_fault+0x2d78/0x3f80 [ 1321.218470] ? copy_page_range+0x2030/0x2030 [ 1321.222897] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1321.227587] handle_mm_fault+0x1b5/0x690 [ 1321.231673] __do_page_fault+0x62a/0xe90 [ 1321.235791] ? vmalloc_fault+0x740/0x740 [ 1321.239861] ? trace_hardirqs_off_caller+0x65/0x220 [ 1321.244877] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1321.249827] ? page_fault+0x8/0x30 [ 1321.253393] do_page_fault+0x71/0x57d [ 1321.257204] ? page_fault+0x8/0x30 [ 1321.260756] page_fault+0x1e/0x30 [ 1321.264213] RIP: 0033:0x45b153 [ 1321.267425] Code: Bad RIP value. [ 1321.270784] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1321.276203] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1321.283486] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1321.290764] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1321.298058] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1321.305330] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1321.312625] warn_alloc_show_mem: 1 callbacks suppressed [ 1321.312635] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1321.312637] Mem-Info: [ 1321.312665] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1321.312665] active_file:12 inactive_file:12 isolated_file:0 [ 1321.312665] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1321.312665] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1321.312665] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1321.312665] free:10883 free_pcp:183 free_cma:0 [ 1321.318025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1321.318035] Call Trace: [ 1321.325258] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1321.327672] dump_stack+0x197/0x210 [ 1321.360826] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1321.370182] warn_alloc.cold+0x7b/0x173 [ 1321.372739] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1321.400255] ? zone_watermark_ok_safe+0x260/0x260 [ 1321.403868] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1321.429751] ? __cpuset_node_allowed+0x136/0x540 [ 1321.433727] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1321.459868] ? __isolate_free_page+0x4c0/0x4c0 [ 1321.466591] lowmem_reserve[]: 0 0 1 1 1 [ 1321.471615] ? wake_all_kswapds+0x14d/0x300 [ 1321.476355] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1321.505198] __alloc_pages_slowpath+0x2214/0x2870 [ 1321.509744] lowmem_reserve[]: 0 0 0 0 0 [ 1321.513740] ? warn_alloc+0x110/0x110 [ 1321.518022] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1321.543782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1321.548594] lowmem_reserve[]: 0 0 0 0 0 [ 1321.552569] ? should_fail+0x14d/0x85c [ 1321.556344] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1321.584203] ? __isolate_free_page+0x4c0/0x4c0 [ 1321.589720] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1321.593709] __alloc_pages_nodemask+0x617/0x750 [ 1321.597579] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1321.609734] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1321.614298] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1321.628351] cache_grow_begin+0x91/0x8c0 [ 1321.633016] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1321.643676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1321.648679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1321.664186] ? __cpuset_node_allowed+0x136/0x540 [ 1321.668230] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1321.677054] fallback_alloc+0x1fd/0x2d0 [ 1321.682585] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1321.691149] ____cache_alloc_node+0x1be/0x1e0 [ 1321.695890] 269 total pagecache pages [ 1321.704729] kmem_cache_alloc_node+0xe3/0x710 [ 1321.708682] 0 pages in swap cache [ 1321.717260] __alloc_skb+0xd5/0x5f0 [ 1321.721721] Swap cache stats: add 0, delete 0, find 0/0 [ 1321.721728] Free swap = 0kB [ 1321.725532] ? skb_trim+0x190/0x190 [ 1321.730011] Total swap = 0kB [ 1321.730020] 1965979 pages RAM [ 1321.733476] ? check_preemption_disabled+0x48/0x290 [ 1321.737070] 0 pages HighMem/MovableOnly [ 1321.737078] 341726 pages reserved [ 1321.743019] ? lock_acquire+0x16f/0x3f0 [ 1321.746012] 0 pages cma reserved [ 1321.749632] new_skb+0x28/0x1d0 [ 1321.752742] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1321.755895] aoecmd_cfg+0x1b5/0x640 [ 1321.760918] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1321.765003] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1321.802046] ? timer_reduce+0x11d0/0x11d0 [ 1321.806197] discover_timer+0x4e/0x60 [ 1321.810009] call_timer_fn+0x18d/0x720 [ 1321.813912] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1321.818571] ? process_timeout+0x40/0x40 [ 1321.822626] ? run_timer_softirq+0x644/0x16a0 [ 1321.827116] ? trace_hardirqs_on+0x67/0x220 [ 1321.831434] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1321.836096] run_timer_softirq+0x64f/0x16a0 [ 1321.840422] ? add_timer+0xbe0/0xbe0 [ 1321.844126] ? kvm_clock_read+0x18/0x30 [ 1321.848093] ? check_preemption_disabled+0x48/0x290 [ 1321.853113] ? sched_clock+0x2e/0x50 [ 1321.856828] __do_softirq+0x25c/0x921 [ 1321.860622] ? preempt_schedule_common+0x4f/0xe0 [ 1321.865379] ? takeover_tasklets+0x7b0/0x7b0 [ 1321.869782] run_ksoftirqd+0x8e/0x110 [ 1321.874114] smpboot_thread_fn+0x6a3/0xa30 [ 1321.878353] ? sort_range+0x30/0x30 [ 1321.881971] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1321.887516] ? __kthread_parkme+0xfb/0x1b0 [ 1321.891838] kthread+0x354/0x420 [ 1321.895198] ? sort_range+0x30/0x30 [ 1321.898836] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1321.904377] ret_from_fork+0x24/0x30 [ 1321.908103] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1321.908169] aoe: skb alloc failure [ 1321.915474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1321.915479] Call Trace: [ 1321.915485] [ 1321.915501] dump_stack+0x197/0x210 [ 1321.915518] warn_alloc.cold+0x7b/0x173 [ 1321.919065] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1321.928563] ? zone_watermark_ok_safe+0x260/0x260 [ 1321.931134] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1321.933281] ? __cpuset_node_allowed+0x136/0x540 [ 1321.965544] ? __isolate_free_page+0x4c0/0x4c0 [ 1321.970130] ? wake_all_kswapds+0x14d/0x300 [ 1321.974479] __alloc_pages_slowpath+0x2214/0x2870 [ 1321.979341] ? warn_alloc+0x110/0x110 [ 1321.983141] ? __lock_acquire+0x6ee/0x49c0 [ 1321.987373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1321.992996] ? should_fail+0x14d/0x85c [ 1321.996887] ? __isolate_free_page+0x4c0/0x4c0 [ 1322.001482] __alloc_pages_nodemask+0x617/0x750 [ 1322.006150] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1322.011179] ? find_held_lock+0x35/0x130 [ 1322.015236] cache_grow_begin+0x91/0x8c0 [ 1322.019290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1322.024819] ? __cpuset_node_allowed+0x136/0x540 [ 1322.029571] fallback_alloc+0x1fd/0x2d0 [ 1322.033544] ____cache_alloc_node+0x1be/0x1e0 [ 1322.038043] kmem_cache_alloc+0x1f3/0x700 [ 1322.042181] ? mark_held_locks+0xb1/0x100 [ 1322.046324] ? __netdev_alloc_skb+0x370/0x470 [ 1322.050815] __build_skb+0x3e/0x310 [ 1322.054435] __netdev_alloc_skb+0x2ba/0x470 [ 1322.058759] send_hsr_supervision_frame+0x110/0xf30 [ 1322.063765] ? lock_acquire+0x16f/0x3f0 [ 1322.067734] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1322.072746] hsr_announce+0x12f/0x3b0 [ 1322.076542] call_timer_fn+0x18d/0x720 [ 1322.080434] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1322.085619] ? process_timeout+0x40/0x40 [ 1322.089671] ? run_timer_softirq+0x644/0x16a0 [ 1322.094175] ? trace_hardirqs_on+0x67/0x220 [ 1322.098587] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1322.103781] run_timer_softirq+0x64f/0x16a0 [ 1322.108112] ? add_timer+0xbe0/0xbe0 [ 1322.111818] ? __lock_is_held+0xb6/0x140 [ 1322.116067] __do_softirq+0x25c/0x921 [ 1322.120032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1322.125558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1322.131095] irq_exit+0x180/0x1d0 [ 1322.134540] smp_apic_timer_interrupt+0x13b/0x550 [ 1322.139378] apic_timer_interrupt+0xf/0x20 [ 1322.143632] [ 1322.145872] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1322.150465] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1322.169375] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1322.177080] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1322.184343] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1322.191607] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1322.198869] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1322.206141] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1322.213439] percpu_ref_put_many+0x37/0x190 [ 1322.217773] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1322.222880] mem_cgroup_iter+0x907/0xac0 [ 1322.226938] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1322.231702] ? kasan_check_read+0x11/0x20 [ 1322.235842] ? mem_cgroup_protected+0x44/0x380 [ 1322.240414] ? vmpressure+0x19f/0x350 [ 1322.244211] shrink_node+0x402/0x1450 [ 1322.248017] ? shrink_node_memcg+0x13f0/0x13f0 [ 1322.252590] ? kvm_clock_read+0x18/0x30 [ 1322.256560] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1322.261580] ? ktime_get+0x202/0x2f0 [ 1322.265288] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1322.270821] ? __cpuset_node_allowed+0x136/0x540 [ 1322.275587] do_try_to_free_pages+0x3cb/0x11c0 [ 1322.280184] ? shrink_node+0x1450/0x1450 [ 1322.284244] try_to_free_pages+0x2ee/0x7f0 [ 1322.288478] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1322.293417] __alloc_pages_slowpath+0x990/0x2870 [ 1322.298184] ? warn_alloc+0x110/0x110 [ 1322.301984] ? __lock_is_held+0xb6/0x140 [ 1322.306041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1322.311581] ? should_fail+0x14d/0x85c [ 1322.315472] ? __might_sleep+0x95/0x190 [ 1322.319442] __alloc_pages_nodemask+0x617/0x750 [ 1322.324106] ? kasan_check_read+0x11/0x20 [ 1322.328268] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1322.333275] ? find_get_entry+0x3e1/0xa00 [ 1322.337419] ? find_get_pages_contig+0xed0/0xed0 [ 1322.342164] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1322.347695] alloc_pages_current+0x107/0x210 [ 1322.352099] __page_cache_alloc+0x2bd/0x450 [ 1322.356421] ? kasan_check_read+0x11/0x20 [ 1322.360564] filemap_fault+0xfeb/0x1f00 [ 1322.364533] ? lock_downgrade+0x880/0x880 [ 1322.368683] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1322.373347] ? lock_acquire+0x16f/0x3f0 [ 1322.377328] ? ext4_filemap_fault+0x7b/0xaf [ 1322.381664] ext4_filemap_fault+0x83/0xaf [ 1322.385816] __do_fault+0x111/0x480 [ 1322.389440] __handle_mm_fault+0x2d78/0x3f80 [ 1322.393873] ? copy_page_range+0x2030/0x2030 [ 1322.398287] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1322.402951] handle_mm_fault+0x1b5/0x690 [ 1322.407010] __do_page_fault+0x62a/0xe90 [ 1322.411084] ? vmalloc_fault+0x740/0x740 [ 1322.415144] ? trace_hardirqs_off_caller+0x65/0x220 [ 1322.420173] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1322.425108] ? page_fault+0x8/0x30 [ 1322.428653] do_page_fault+0x71/0x57d [ 1322.432450] ? page_fault+0x8/0x30 [ 1322.435990] page_fault+0x1e/0x30 [ 1322.439434] RIP: 0033:0x45b153 [ 1322.442630] Code: Bad RIP value. [ 1322.445988] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1322.451342] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1322.458602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1322.465862] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1322.473130] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1322.480389] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1322.487748] warn_alloc_show_mem: 1 callbacks suppressed [ 1322.487758] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1322.487760] Mem-Info: [ 1322.487789] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1322.487789] active_file:12 inactive_file:12 isolated_file:0 [ 1322.487789] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1322.487789] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1322.487789] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1322.487789] free:10883 free_pcp:183 free_cma:0 [ 1322.493137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1322.500322] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1322.502729] Call Trace: [ 1322.535993] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1322.545513] dump_stack+0x197/0x210 [ 1322.573253] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1322.575838] warn_alloc.cold+0x7b/0x173 [ 1322.601755] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1322.605406] ? zone_watermark_ok_safe+0x260/0x260 [ 1322.631498] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1322.635485] ? __cpuset_node_allowed+0x136/0x540 [ 1322.640462] lowmem_reserve[]: 0 0 1 1 1 [ 1322.645316] ? __isolate_free_page+0x4c0/0x4c0 [ 1322.674083] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1322.678858] ? wake_all_kswapds+0x14d/0x300 [ 1322.682803] lowmem_reserve[]: 0 0 0 0 0 [ 1322.687391] __alloc_pages_slowpath+0x2214/0x2870 [ 1322.713130] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1322.717465] ? warn_alloc+0x110/0x110 [ 1322.721396] lowmem_reserve[]: 0 0 0 0 0 [ 1322.726237] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1322.754063] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1322.757858] ? should_fail+0x14d/0x85c [ 1322.761807] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1322.767342] ? __isolate_free_page+0x4c0/0x4c0 [ 1322.779458] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1322.783348] __alloc_pages_nodemask+0x617/0x750 [ 1322.797358] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1322.801952] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1322.812586] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1322.817252] cache_grow_begin+0x91/0x8c0 [ 1322.832754] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1322.837776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1322.846611] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1322.846624] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1322.850676] ? __cpuset_node_allowed+0x136/0x540 [ 1322.859341] 269 total pagecache pages [ 1322.859357] 0 pages in swap cache [ 1322.864913] fallback_alloc+0x1fd/0x2d0 [ 1322.873728] Swap cache stats: add 0, delete 0, find 0/0 [ 1322.873738] Free swap = 0kB [ 1322.882328] ____cache_alloc_node+0x1be/0x1e0 [ 1322.887049] Total swap = 0kB [ 1322.890853] kmem_cache_alloc_node+0xe3/0x710 [ 1322.894295] 1965979 pages RAM [ 1322.898269] __alloc_skb+0xd5/0x5f0 [ 1322.903608] 0 pages HighMem/MovableOnly [ 1322.903615] 341726 pages reserved [ 1322.906624] ? skb_trim+0x190/0x190 [ 1322.911094] 0 pages cma reserved [ 1322.914106] ? check_preemption_disabled+0x48/0x290 [ 1322.918673] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1322.921671] ? lock_acquire+0x16f/0x3f0 [ 1322.925291] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1322.929279] new_skb+0x28/0x1d0 [ 1322.967197] aoecmd_cfg+0x1b5/0x640 [ 1322.970818] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1322.975150] ? timer_reduce+0x11d0/0x11d0 [ 1322.979305] discover_timer+0x4e/0x60 [ 1322.983463] call_timer_fn+0x18d/0x720 [ 1322.987344] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1322.993136] ? process_timeout+0x40/0x40 [ 1322.997189] ? run_timer_softirq+0x644/0x16a0 [ 1323.001692] ? trace_hardirqs_on+0x67/0x220 [ 1323.006100] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1323.010778] run_timer_softirq+0x64f/0x16a0 [ 1323.015098] ? add_timer+0xbe0/0xbe0 [ 1323.019071] ? kvm_clock_read+0x18/0x30 [ 1323.023039] ? check_preemption_disabled+0x48/0x290 [ 1323.028047] ? sched_clock+0x2e/0x50 [ 1323.031762] __do_softirq+0x25c/0x921 [ 1323.035732] ? preempt_schedule_common+0x4f/0xe0 [ 1323.040490] ? takeover_tasklets+0x7b0/0x7b0 [ 1323.044915] run_ksoftirqd+0x8e/0x110 [ 1323.048728] smpboot_thread_fn+0x6a3/0xa30 [ 1323.052984] ? sort_range+0x30/0x30 [ 1323.056618] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1323.062175] ? __kthread_parkme+0xfb/0x1b0 [ 1323.066408] kthread+0x354/0x420 [ 1323.069773] ? sort_range+0x30/0x30 [ 1323.073397] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1323.078937] ret_from_fork+0x24/0x30 [ 1323.082663] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1323.082727] aoe: skb alloc failure [ 1323.090033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1323.090037] Call Trace: [ 1323.090044] [ 1323.090060] dump_stack+0x197/0x210 [ 1323.090077] warn_alloc.cold+0x7b/0x173 [ 1323.093618] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1323.102944] ? zone_watermark_ok_safe+0x260/0x260 [ 1323.105501] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1323.107643] ? __cpuset_node_allowed+0x136/0x540 [ 1323.139972] ? __isolate_free_page+0x4c0/0x4c0 [ 1323.144547] ? wake_all_kswapds+0x14d/0x300 [ 1323.148869] __alloc_pages_slowpath+0x2214/0x2870 [ 1323.153734] ? warn_alloc+0x110/0x110 [ 1323.157530] ? __lock_acquire+0x6ee/0x49c0 [ 1323.161756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1323.167284] ? should_fail+0x14d/0x85c [ 1323.171167] ? __isolate_free_page+0x4c0/0x4c0 [ 1323.175749] __alloc_pages_nodemask+0x617/0x750 [ 1323.180417] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1323.185433] ? find_held_lock+0x35/0x130 [ 1323.189491] cache_grow_begin+0x91/0x8c0 [ 1323.193559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1323.199088] ? __cpuset_node_allowed+0x136/0x540 [ 1323.203838] fallback_alloc+0x1fd/0x2d0 [ 1323.207810] ____cache_alloc_node+0x1be/0x1e0 [ 1323.212305] kmem_cache_alloc+0x1f3/0x700 [ 1323.216450] ? mark_held_locks+0xb1/0x100 [ 1323.220590] ? __netdev_alloc_skb+0x370/0x470 [ 1323.225097] __build_skb+0x3e/0x310 [ 1323.228725] __netdev_alloc_skb+0x2ba/0x470 [ 1323.233065] send_hsr_supervision_frame+0x110/0xf30 [ 1323.238269] ? lock_acquire+0x16f/0x3f0 [ 1323.242259] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1323.247280] hsr_announce+0x12f/0x3b0 [ 1323.251089] call_timer_fn+0x18d/0x720 [ 1323.254972] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1323.260177] ? process_timeout+0x40/0x40 [ 1323.264245] ? run_timer_softirq+0x644/0x16a0 [ 1323.268736] ? trace_hardirqs_on+0x67/0x220 [ 1323.273055] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1323.278240] run_timer_softirq+0x64f/0x16a0 [ 1323.282561] ? add_timer+0xbe0/0xbe0 [ 1323.286270] ? __lock_is_held+0xb6/0x140 [ 1323.290333] __do_softirq+0x25c/0x921 [ 1323.294144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1323.299673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1323.305223] irq_exit+0x180/0x1d0 [ 1323.308686] smp_apic_timer_interrupt+0x13b/0x550 [ 1323.313522] apic_timer_interrupt+0xf/0x20 [ 1323.317745] [ 1323.319973] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1323.324548] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1323.343451] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1323.351150] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1323.358413] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1323.365674] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1323.372936] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1323.380368] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1323.387655] percpu_ref_put_many+0x37/0x190 [ 1323.391982] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1323.397091] mem_cgroup_iter+0x907/0xac0 [ 1323.401148] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1323.405923] ? kasan_check_read+0x11/0x20 [ 1323.410073] ? mem_cgroup_protected+0x44/0x380 [ 1323.414656] ? vmpressure+0x19f/0x350 [ 1323.418462] shrink_node+0x402/0x1450 [ 1323.422276] ? shrink_node_memcg+0x13f0/0x13f0 [ 1323.426852] ? kvm_clock_read+0x18/0x30 [ 1323.430820] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1323.435829] ? ktime_get+0x202/0x2f0 [ 1323.439535] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1323.445065] ? __cpuset_node_allowed+0x136/0x540 [ 1323.449818] do_try_to_free_pages+0x3cb/0x11c0 [ 1323.454407] ? shrink_node+0x1450/0x1450 [ 1323.458470] try_to_free_pages+0x2ee/0x7f0 [ 1323.462698] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1323.467549] __alloc_pages_slowpath+0x990/0x2870 [ 1323.472315] ? warn_alloc+0x110/0x110 [ 1323.476110] ? __lock_is_held+0xb6/0x140 [ 1323.480163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1323.485694] ? should_fail+0x14d/0x85c [ 1323.489584] ? __might_sleep+0x95/0x190 [ 1323.493556] __alloc_pages_nodemask+0x617/0x750 [ 1323.498220] ? kasan_check_read+0x11/0x20 [ 1323.502365] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1323.507472] ? find_get_entry+0x3e1/0xa00 [ 1323.511615] ? find_get_pages_contig+0xed0/0xed0 [ 1323.516364] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1323.521900] alloc_pages_current+0x107/0x210 [ 1323.526303] __page_cache_alloc+0x2bd/0x450 [ 1323.530631] ? kasan_check_read+0x11/0x20 [ 1323.534775] filemap_fault+0xfeb/0x1f00 [ 1323.538743] ? lock_downgrade+0x880/0x880 [ 1323.542907] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1323.547572] ? lock_acquire+0x16f/0x3f0 [ 1323.551539] ? ext4_filemap_fault+0x7b/0xaf [ 1323.555867] ext4_filemap_fault+0x83/0xaf [ 1323.560012] __do_fault+0x111/0x480 [ 1323.563645] __handle_mm_fault+0x2d78/0x3f80 [ 1323.568051] ? copy_page_range+0x2030/0x2030 [ 1323.572490] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1323.577181] handle_mm_fault+0x1b5/0x690 [ 1323.581266] __do_page_fault+0x62a/0xe90 [ 1323.585329] ? vmalloc_fault+0x740/0x740 [ 1323.589384] ? trace_hardirqs_off_caller+0x65/0x220 [ 1323.594409] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1323.599353] ? page_fault+0x8/0x30 [ 1323.602918] do_page_fault+0x71/0x57d [ 1323.606777] ? page_fault+0x8/0x30 [ 1323.610316] page_fault+0x1e/0x30 [ 1323.613764] RIP: 0033:0x45b153 [ 1323.616962] Code: Bad RIP value. [ 1323.620321] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1323.625679] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1323.632953] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1323.640228] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1323.647525] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1323.654803] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1323.662095] warn_alloc_show_mem: 1 callbacks suppressed [ 1323.662105] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1323.662107] Mem-Info: [ 1323.662136] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1323.662136] active_file:12 inactive_file:12 isolated_file:0 [ 1323.662136] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1323.662136] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1323.662136] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1323.662136] free:10883 free_pcp:183 free_cma:0 [ 1323.667550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1323.674750] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1323.677145] Call Trace: [ 1323.710312] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1323.719670] dump_stack+0x197/0x210 [ 1323.747164] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1323.749759] warn_alloc.cold+0x7b/0x173 [ 1323.775709] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1323.779359] ? zone_watermark_ok_safe+0x260/0x260 [ 1323.805440] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1323.809417] ? __cpuset_node_allowed+0x136/0x540 [ 1323.814413] lowmem_reserve[]: 0 0 1 1 1 [ 1323.819284] ? __isolate_free_page+0x4c0/0x4c0 [ 1323.848174] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1323.852948] ? wake_all_kswapds+0x14d/0x300 [ 1323.856901] lowmem_reserve[]: 0 0 0 0 0 [ 1323.861485] __alloc_pages_slowpath+0x2214/0x2870 [ 1323.887249] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1323.891604] ? warn_alloc+0x110/0x110 [ 1323.895550] lowmem_reserve[]: 0 0 0 0 0 [ 1323.900415] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1323.928265] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1323.932339] ? should_fail+0x14d/0x85c [ 1323.936290] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1323.941877] ? __isolate_free_page+0x4c0/0x4c0 [ 1323.954004] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1323.957911] __alloc_pages_nodemask+0x617/0x750 [ 1323.971921] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1323.976780] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1323.987856] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1323.992694] cache_grow_begin+0x91/0x8c0 [ 1324.008179] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1324.008192] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1324.013197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1324.022003] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1324.022011] 269 total pagecache pages [ 1324.026074] ? __cpuset_node_allowed+0x136/0x540 [ 1324.034627] 0 pages in swap cache [ 1324.043449] fallback_alloc+0x1fd/0x2d0 [ 1324.048969] Swap cache stats: add 0, delete 0, find 0/0 [ 1324.048976] Free swap = 0kB [ 1324.057547] ____cache_alloc_node+0x1be/0x1e0 [ 1324.061319] Total swap = 0kB [ 1324.066071] kmem_cache_alloc_node+0xe3/0x710 [ 1324.069512] 1965979 pages RAM [ 1324.073496] __alloc_skb+0xd5/0x5f0 [ 1324.078825] 0 pages HighMem/MovableOnly [ 1324.078833] 341726 pages reserved [ 1324.081843] ? skb_trim+0x190/0x190 [ 1324.086317] 0 pages cma reserved [ 1324.086451] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1324.089346] ? check_preemption_disabled+0x48/0x290 [ 1324.093831] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1324.096929] ? lock_acquire+0x16f/0x3f0 [ 1324.139132] new_skb+0x28/0x1d0 [ 1324.142408] aoecmd_cfg+0x1b5/0x640 [ 1324.146034] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1324.150355] ? timer_reduce+0x11d0/0x11d0 [ 1324.154503] discover_timer+0x4e/0x60 [ 1324.158321] call_timer_fn+0x18d/0x720 [ 1324.162211] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1324.166869] ? process_timeout+0x40/0x40 [ 1324.170922] ? run_timer_softirq+0x644/0x16a0 [ 1324.175413] ? trace_hardirqs_on+0x67/0x220 [ 1324.179728] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1324.184388] run_timer_softirq+0x64f/0x16a0 [ 1324.188706] ? add_timer+0xbe0/0xbe0 [ 1324.192422] ? kvm_clock_read+0x18/0x30 [ 1324.196399] ? check_preemption_disabled+0x48/0x290 [ 1324.201406] ? sched_clock+0x2e/0x50 [ 1324.205120] __do_softirq+0x25c/0x921 [ 1324.208913] ? preempt_schedule_common+0x4f/0xe0 [ 1324.213686] ? takeover_tasklets+0x7b0/0x7b0 [ 1324.218087] run_ksoftirqd+0x8e/0x110 [ 1324.221885] smpboot_thread_fn+0x6a3/0xa30 [ 1324.226114] ? sort_range+0x30/0x30 [ 1324.229732] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1324.235270] ? __kthread_parkme+0xfb/0x1b0 [ 1324.239500] kthread+0x354/0x420 [ 1324.242858] ? sort_range+0x30/0x30 [ 1324.246488] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1324.252020] ret_from_fork+0x24/0x30 [ 1324.256697] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1324.256763] aoe: skb alloc failure [ 1324.264065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1324.267640] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1324.276922] Call Trace: [ 1324.287227] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1324.289798] [ 1324.296773] dump_stack+0x197/0x210 [ 1324.300416] warn_alloc.cold+0x7b/0x173 [ 1324.304400] ? zone_watermark_ok_safe+0x260/0x260 [ 1324.309256] ? __cpuset_node_allowed+0x136/0x540 [ 1324.314037] ? __isolate_free_page+0x4c0/0x4c0 [ 1324.318620] ? wake_all_kswapds+0x14d/0x300 [ 1324.322947] __alloc_pages_slowpath+0x2214/0x2870 [ 1324.327808] ? warn_alloc+0x110/0x110 [ 1324.331608] ? __lock_acquire+0x6ee/0x49c0 [ 1324.335839] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1324.341376] ? should_fail+0x14d/0x85c [ 1324.345274] ? __isolate_free_page+0x4c0/0x4c0 [ 1324.349870] __alloc_pages_nodemask+0x617/0x750 [ 1324.354553] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1324.359579] ? find_held_lock+0x35/0x130 [ 1324.363636] cache_grow_begin+0x91/0x8c0 [ 1324.367692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1324.373221] ? __cpuset_node_allowed+0x136/0x540 [ 1324.377982] fallback_alloc+0x1fd/0x2d0 [ 1324.381951] ____cache_alloc_node+0x1be/0x1e0 [ 1324.386465] kmem_cache_alloc_node+0xe3/0x710 [ 1324.390986] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1324.395231] __alloc_skb+0xd5/0x5f0 [ 1324.398859] ? skb_trim+0x190/0x190 [ 1324.402481] ? kasan_check_read+0x11/0x20 [ 1324.406629] ndisc_alloc_skb+0x13c/0x340 [ 1324.410686] ndisc_send_rs+0x35f/0x6e0 [ 1324.414594] addrconf_rs_timer+0x30f/0x680 [ 1324.418833] ? ipv6_get_lladdr+0x490/0x490 [ 1324.423088] call_timer_fn+0x18d/0x720 [ 1324.426998] ? ipv6_get_lladdr+0x490/0x490 [ 1324.431232] ? process_timeout+0x40/0x40 [ 1324.435300] ? run_timer_softirq+0x644/0x16a0 [ 1324.439810] ? trace_hardirqs_on+0x67/0x220 [ 1324.444126] ? ipv6_get_lladdr+0x490/0x490 [ 1324.448353] run_timer_softirq+0x64f/0x16a0 [ 1324.452678] ? add_timer+0xbe0/0xbe0 [ 1324.456389] ? __lock_is_held+0xb6/0x140 [ 1324.460452] __do_softirq+0x25c/0x921 [ 1324.464250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1324.469776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1324.475316] irq_exit+0x180/0x1d0 [ 1324.478762] smp_apic_timer_interrupt+0x13b/0x550 [ 1324.483603] apic_timer_interrupt+0xf/0x20 [ 1324.487824] [ 1324.490057] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1324.494645] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1324.513538] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1324.521240] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1324.528500] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1324.535764] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1324.543025] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1324.550399] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1324.557717] percpu_ref_put_many+0x37/0x190 [ 1324.562044] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1324.567147] mem_cgroup_iter+0x907/0xac0 [ 1324.571209] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1324.575970] ? kasan_check_read+0x11/0x20 [ 1324.580126] ? mem_cgroup_protected+0x44/0x380 [ 1324.584716] ? vmpressure+0x19f/0x350 [ 1324.588521] shrink_node+0x402/0x1450 [ 1324.592331] ? shrink_node_memcg+0x13f0/0x13f0 [ 1324.596925] ? kvm_clock_read+0x18/0x30 [ 1324.600905] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1324.605922] ? ktime_get+0x202/0x2f0 [ 1324.609635] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1324.615168] ? __cpuset_node_allowed+0x136/0x540 [ 1324.619924] do_try_to_free_pages+0x3cb/0x11c0 [ 1324.624517] ? shrink_node+0x1450/0x1450 [ 1324.628578] try_to_free_pages+0x2ee/0x7f0 [ 1324.632822] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1324.637674] __alloc_pages_slowpath+0x990/0x2870 [ 1324.642436] ? warn_alloc+0x110/0x110 [ 1324.646231] ? __lock_is_held+0xb6/0x140 [ 1324.650299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1324.655833] ? should_fail+0x14d/0x85c [ 1324.659722] ? __might_sleep+0x95/0x190 [ 1324.663716] __alloc_pages_nodemask+0x617/0x750 [ 1324.668399] ? kasan_check_read+0x11/0x20 [ 1324.672555] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1324.677686] ? find_get_entry+0x3e1/0xa00 [ 1324.681851] ? find_get_pages_contig+0xed0/0xed0 [ 1324.686624] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1324.692170] alloc_pages_current+0x107/0x210 [ 1324.696586] __page_cache_alloc+0x2bd/0x450 [ 1324.700902] ? kasan_check_read+0x11/0x20 [ 1324.705044] filemap_fault+0xfeb/0x1f00 [ 1324.709024] ? lock_downgrade+0x880/0x880 [ 1324.713170] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1324.717992] ? lock_acquire+0x16f/0x3f0 [ 1324.721965] ? ext4_filemap_fault+0x7b/0xaf [ 1324.726296] ext4_filemap_fault+0x83/0xaf [ 1324.730453] __do_fault+0x111/0x480 [ 1324.734084] __handle_mm_fault+0x2d78/0x3f80 [ 1324.738492] ? copy_page_range+0x2030/0x2030 [ 1324.742919] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1324.747582] handle_mm_fault+0x1b5/0x690 [ 1324.751639] __do_page_fault+0x62a/0xe90 [ 1324.755708] ? vmalloc_fault+0x740/0x740 [ 1324.759763] ? trace_hardirqs_off_caller+0x65/0x220 [ 1324.764771] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1324.769689] ? page_fault+0x8/0x30 [ 1324.773224] do_page_fault+0x71/0x57d [ 1324.777022] ? page_fault+0x8/0x30 [ 1324.780555] page_fault+0x1e/0x30 [ 1324.784000] RIP: 0033:0x45b153 [ 1324.787213] Code: Bad RIP value. [ 1324.790570] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1324.796195] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1324.803554] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1324.810813] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1324.818073] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1324.825346] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1324.832633] warn_alloc_show_mem: 1 callbacks suppressed [ 1324.832643] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1324.832645] Mem-Info: [ 1324.832676] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1324.832676] active_file:12 inactive_file:12 isolated_file:0 [ 1324.832676] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1324.832676] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1324.832676] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1324.832676] free:10883 free_pcp:183 free_cma:0 [ 1324.838014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1324.845209] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1324.847602] Call Trace: [ 1324.880842] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1324.890176] dump_stack+0x197/0x210 [ 1324.917992] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1324.920578] warn_alloc.cold+0x7b/0x173 [ 1324.946413] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1324.950047] ? zone_watermark_ok_safe+0x260/0x260 [ 1324.976577] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1324.980562] ? __cpuset_node_allowed+0x136/0x540 [ 1324.985564] lowmem_reserve[]: 0 0 1 1 1 [ 1324.990404] ? __isolate_free_page+0x4c0/0x4c0 [ 1325.019464] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1325.024226] ? wake_all_kswapds+0x14d/0x300 [ 1325.028170] lowmem_reserve[]: 0 0 0 0 0 [ 1325.032758] __alloc_pages_slowpath+0x2214/0x2870 [ 1325.058562] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1325.062898] ? warn_alloc+0x110/0x110 [ 1325.066828] lowmem_reserve[]: 0 0 0 0 0 [ 1325.071671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1325.099492] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1325.103288] ? should_fail+0x14d/0x85c [ 1325.107235] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1325.112778] ? __isolate_free_page+0x4c0/0x4c0 [ 1325.124898] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1325.128800] __alloc_pages_nodemask+0x617/0x750 [ 1325.142825] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1325.147415] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1325.158062] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1325.162736] cache_grow_begin+0x91/0x8c0 [ 1325.178224] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1325.183242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1325.183257] ? __cpuset_node_allowed+0x136/0x540 [ 1325.192084] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1325.196160] fallback_alloc+0x1fd/0x2d0 [ 1325.204740] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1325.210290] ____cache_alloc_node+0x1be/0x1e0 [ 1325.215026] 269 total pagecache pages [ 1325.223872] kmem_cache_alloc_node+0xe3/0x710 [ 1325.227841] 0 pages in swap cache [ 1325.236585] __alloc_skb+0xd5/0x5f0 [ 1325.241048] Swap cache stats: add 0, delete 0, find 0/0 [ 1325.241056] Free swap = 0kB [ 1325.244848] ? skb_trim+0x190/0x190 [ 1325.249327] Total swap = 0kB [ 1325.252860] ? check_preemption_disabled+0x48/0x290 [ 1325.256472] 1965979 pages RAM [ 1325.261827] ? lock_acquire+0x16f/0x3f0 [ 1325.264817] 0 pages HighMem/MovableOnly [ 1325.268454] new_skb+0x28/0x1d0 [ 1325.271444] 341726 pages reserved [ 1325.271451] 0 pages cma reserved [ 1325.276460] aoecmd_cfg+0x1b5/0x640 [ 1325.279599] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1325.283509] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1325.287548] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1325.290750] ? timer_reduce+0x11d0/0x11d0 [ 1325.294190] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1325.297558] discover_timer+0x4e/0x60 [ 1325.334792] call_timer_fn+0x18d/0x720 [ 1325.338673] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1325.343421] ? process_timeout+0x40/0x40 [ 1325.347489] ? run_timer_softirq+0x644/0x16a0 [ 1325.352002] ? trace_hardirqs_on+0x67/0x220 [ 1325.356320] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1325.360993] run_timer_softirq+0x64f/0x16a0 [ 1325.365313] ? add_timer+0xbe0/0xbe0 [ 1325.369018] ? kvm_clock_read+0x18/0x30 [ 1325.373005] ? check_preemption_disabled+0x48/0x290 [ 1325.378175] ? sched_clock+0x2e/0x50 [ 1325.381906] __do_softirq+0x25c/0x921 [ 1325.385738] ? preempt_schedule_common+0x4f/0xe0 [ 1325.390518] ? takeover_tasklets+0x7b0/0x7b0 [ 1325.394926] run_ksoftirqd+0x8e/0x110 [ 1325.398729] smpboot_thread_fn+0x6a3/0xa30 [ 1325.402966] ? sort_range+0x30/0x30 [ 1325.406606] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1325.412139] ? __kthread_parkme+0xfb/0x1b0 [ 1325.416386] kthread+0x354/0x420 [ 1325.419747] ? sort_range+0x30/0x30 [ 1325.423370] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1325.428908] ret_from_fork+0x24/0x30 [ 1325.432649] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1325.432716] aoe: skb alloc failure [ 1325.440030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1325.440036] Call Trace: [ 1325.440042] [ 1325.440059] dump_stack+0x197/0x210 [ 1325.440077] warn_alloc.cold+0x7b/0x173 [ 1325.443638] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1325.453052] ? zone_watermark_ok_safe+0x260/0x260 [ 1325.455608] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1325.457750] ? __cpuset_node_allowed+0x136/0x540 [ 1325.490150] ? __isolate_free_page+0x4c0/0x4c0 [ 1325.494731] ? wake_all_kswapds+0x14d/0x300 [ 1325.499066] __alloc_pages_slowpath+0x2214/0x2870 [ 1325.503917] ? warn_alloc+0x110/0x110 [ 1325.507727] ? __lock_acquire+0x6ee/0x49c0 [ 1325.511955] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1325.517483] ? should_fail+0x14d/0x85c [ 1325.521365] ? __isolate_free_page+0x4c0/0x4c0 [ 1325.525948] __alloc_pages_nodemask+0x617/0x750 [ 1325.530614] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1325.535632] ? find_held_lock+0x35/0x130 [ 1325.539688] cache_grow_begin+0x91/0x8c0 [ 1325.543748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1325.549278] ? __cpuset_node_allowed+0x136/0x540 [ 1325.554026] fallback_alloc+0x1fd/0x2d0 [ 1325.558084] ____cache_alloc_node+0x1be/0x1e0 [ 1325.562585] kmem_cache_alloc_node+0xe3/0x710 [ 1325.567075] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1325.571320] __alloc_skb+0xd5/0x5f0 [ 1325.574940] ? skb_trim+0x190/0x190 [ 1325.578573] ? kasan_check_read+0x11/0x20 [ 1325.582736] ndisc_alloc_skb+0x13c/0x340 [ 1325.586800] ndisc_send_rs+0x35f/0x6e0 [ 1325.590695] addrconf_rs_timer+0x30f/0x680 [ 1325.594936] ? ipv6_get_lladdr+0x490/0x490 [ 1325.599190] call_timer_fn+0x18d/0x720 [ 1325.603093] ? ipv6_get_lladdr+0x490/0x490 [ 1325.607320] ? process_timeout+0x40/0x40 [ 1325.611550] ? run_timer_softirq+0x644/0x16a0 [ 1325.616042] ? trace_hardirqs_on+0x67/0x220 [ 1325.620363] ? ipv6_get_lladdr+0x490/0x490 [ 1325.624700] run_timer_softirq+0x64f/0x16a0 [ 1325.629022] ? add_timer+0xbe0/0xbe0 [ 1325.632733] ? __lock_is_held+0xb6/0x140 [ 1325.636804] __do_softirq+0x25c/0x921 [ 1325.640607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1325.646148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1325.651688] irq_exit+0x180/0x1d0 [ 1325.655140] smp_apic_timer_interrupt+0x13b/0x550 [ 1325.659991] apic_timer_interrupt+0xf/0x20 [ 1325.664211] [ 1325.666442] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1325.671032] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1325.689921] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1325.697620] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1325.704881] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1325.712170] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1325.719432] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1325.726705] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1325.734001] percpu_ref_put_many+0x37/0x190 [ 1325.738317] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1325.743413] mem_cgroup_iter+0x907/0xac0 [ 1325.747494] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1325.752267] ? kasan_check_read+0x11/0x20 [ 1325.756444] ? mem_cgroup_protected+0x44/0x380 [ 1325.761026] ? vmpressure+0x19f/0x350 [ 1325.764865] shrink_node+0x402/0x1450 [ 1325.768715] ? shrink_node_memcg+0x13f0/0x13f0 [ 1325.773311] ? kvm_clock_read+0x18/0x30 [ 1325.777288] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1325.782314] ? ktime_get+0x202/0x2f0 [ 1325.786025] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1325.791557] ? __cpuset_node_allowed+0x136/0x540 [ 1325.796324] do_try_to_free_pages+0x3cb/0x11c0 [ 1325.800914] ? shrink_node+0x1450/0x1450 [ 1325.804975] try_to_free_pages+0x2ee/0x7f0 [ 1325.809207] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1325.814058] __alloc_pages_slowpath+0x990/0x2870 [ 1325.818821] ? warn_alloc+0x110/0x110 [ 1325.822621] ? __lock_is_held+0xb6/0x140 [ 1325.826677] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1325.832204] ? should_fail+0x14d/0x85c [ 1325.836107] ? __might_sleep+0x95/0x190 [ 1325.840079] __alloc_pages_nodemask+0x617/0x750 [ 1325.844741] ? kasan_check_read+0x11/0x20 [ 1325.848885] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1325.853894] ? find_get_entry+0x3e1/0xa00 [ 1325.858039] ? find_get_pages_contig+0xed0/0xed0 [ 1325.862786] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1325.868329] alloc_pages_current+0x107/0x210 [ 1325.872734] __page_cache_alloc+0x2bd/0x450 [ 1325.877046] ? kasan_check_read+0x11/0x20 [ 1325.881190] filemap_fault+0xfeb/0x1f00 [ 1325.885163] ? lock_downgrade+0x880/0x880 [ 1325.889311] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1325.893978] ? lock_acquire+0x16f/0x3f0 [ 1325.899361] ? ext4_filemap_fault+0x7b/0xaf [ 1325.903685] ext4_filemap_fault+0x83/0xaf [ 1325.907826] __do_fault+0x111/0x480 [ 1325.911460] __handle_mm_fault+0x2d78/0x3f80 [ 1325.915864] ? copy_page_range+0x2030/0x2030 [ 1325.920278] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1325.924955] handle_mm_fault+0x1b5/0x690 [ 1325.929012] __do_page_fault+0x62a/0xe90 [ 1325.933069] ? vmalloc_fault+0x740/0x740 [ 1325.937136] ? trace_hardirqs_off_caller+0x65/0x220 [ 1325.942149] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1325.947072] ? page_fault+0x8/0x30 [ 1325.950607] do_page_fault+0x71/0x57d [ 1325.954413] ? page_fault+0x8/0x30 [ 1325.957949] page_fault+0x1e/0x30 [ 1325.961394] RIP: 0033:0x45b153 [ 1325.964593] Code: Bad RIP value. [ 1325.967945] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1325.973302] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1325.980572] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1325.988718] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1325.995977] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1326.003251] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1326.010538] warn_alloc_show_mem: 1 callbacks suppressed [ 1326.010547] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1326.010549] Mem-Info: [ 1326.010577] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1326.010577] active_file:12 inactive_file:12 isolated_file:0 [ 1326.010577] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1326.010577] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1326.010577] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1326.010577] free:10883 free_pcp:183 free_cma:0 [ 1326.015918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1326.023118] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1326.025507] Call Trace: [ 1326.061253] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1326.076835] dump_stack+0x197/0x210 [ 1326.120306] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1326.123002] warn_alloc.cold+0x7b/0x173 [ 1326.151673] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1326.155303] ? zone_watermark_ok_safe+0x260/0x260 [ 1326.182436] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1326.186407] ? __cpuset_node_allowed+0x136/0x540 [ 1326.191403] lowmem_reserve[]: 0 0 1 1 1 [ 1326.196250] ? __isolate_free_page+0x4c0/0x4c0 [ 1326.225030] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1326.229793] ? wake_all_kswapds+0x14d/0x300 [ 1326.233736] lowmem_reserve[]: 0 0 0 0 0 [ 1326.238323] __alloc_pages_slowpath+0x2214/0x2870 [ 1326.264055] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1326.268420] ? warn_alloc+0x110/0x110 [ 1326.272362] lowmem_reserve[]: 0 0 0 0 0 [ 1326.277231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1326.305061] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1326.308875] ? should_fail+0x14d/0x85c [ 1326.312840] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1326.318389] ? __isolate_free_page+0x4c0/0x4c0 [ 1326.330505] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1326.334408] __alloc_pages_nodemask+0x617/0x750 [ 1326.348421] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1326.353022] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1326.363656] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1326.368326] cache_grow_begin+0x91/0x8c0 [ 1326.383825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1326.388843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1326.397668] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1326.401715] ? __cpuset_node_allowed+0x136/0x540 [ 1326.410350] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1326.410358] 269 total pagecache pages [ 1326.415921] fallback_alloc+0x1fd/0x2d0 [ 1326.424745] 0 pages in swap cache [ 1326.429510] ____cache_alloc_node+0x1be/0x1e0 [ 1326.438066] Swap cache stats: add 0, delete 0, find 0/0 [ 1326.441855] kmem_cache_alloc_node+0xe3/0x710 [ 1326.445806] Free swap = 0kB [ 1326.449253] __alloc_skb+0xd5/0x5f0 [ 1326.453720] Total swap = 0kB [ 1326.459099] ? skb_trim+0x190/0x190 [ 1326.463579] 1965979 pages RAM [ 1326.466610] ? check_preemption_disabled+0x48/0x290 [ 1326.470216] 0 pages HighMem/MovableOnly [ 1326.473229] ? lock_acquire+0x16f/0x3f0 [ 1326.476827] 341726 pages reserved [ 1326.476834] 0 pages cma reserved [ 1326.479939] new_skb+0x28/0x1d0 [ 1326.485023] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1326.488949] aoecmd_cfg+0x1b5/0x640 [ 1326.492970] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1326.496386] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1326.499729] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1326.503004] ? timer_reduce+0x11d0/0x11d0 [ 1326.536458] discover_timer+0x4e/0x60 [ 1326.540254] call_timer_fn+0x18d/0x720 [ 1326.544137] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1326.548800] ? process_timeout+0x40/0x40 [ 1326.552851] ? run_timer_softirq+0x644/0x16a0 [ 1326.557342] ? trace_hardirqs_on+0x67/0x220 [ 1326.562189] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1326.566849] run_timer_softirq+0x64f/0x16a0 [ 1326.571180] ? add_timer+0xbe0/0xbe0 [ 1326.574886] ? kvm_clock_read+0x18/0x30 [ 1326.578853] ? check_preemption_disabled+0x48/0x290 [ 1326.583863] ? sched_clock+0x2e/0x50 [ 1326.587581] __do_softirq+0x25c/0x921 [ 1326.591394] ? preempt_schedule_common+0x4f/0xe0 [ 1326.596164] ? takeover_tasklets+0x7b0/0x7b0 [ 1326.600594] run_ksoftirqd+0x8e/0x110 [ 1326.604403] smpboot_thread_fn+0x6a3/0xa30 [ 1326.608638] ? sort_range+0x30/0x30 [ 1326.612360] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1326.617907] ? __kthread_parkme+0xfb/0x1b0 [ 1326.622137] kthread+0x354/0x420 [ 1326.625497] ? sort_range+0x30/0x30 [ 1326.629116] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1326.634647] ret_from_fork+0x24/0x30 [ 1326.638380] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1326.638443] aoe: skb alloc failure [ 1326.645743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1326.645748] Call Trace: [ 1326.645755] [ 1326.645771] dump_stack+0x197/0x210 [ 1326.645788] warn_alloc.cold+0x7b/0x173 [ 1326.649331] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1326.658746] ? zone_watermark_ok_safe+0x260/0x260 [ 1326.661315] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1326.663458] ? __cpuset_node_allowed+0x136/0x540 [ 1326.695731] ? __isolate_free_page+0x4c0/0x4c0 [ 1326.700318] ? wake_all_kswapds+0x14d/0x300 [ 1326.704749] __alloc_pages_slowpath+0x2214/0x2870 [ 1326.709599] ? warn_alloc+0x110/0x110 [ 1326.713393] ? __lock_acquire+0x6ee/0x49c0 [ 1326.717633] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1326.723161] ? should_fail+0x14d/0x85c [ 1326.727044] ? __isolate_free_page+0x4c0/0x4c0 [ 1326.731629] __alloc_pages_nodemask+0x617/0x750 [ 1326.736297] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1326.741312] ? find_held_lock+0x35/0x130 [ 1326.745369] cache_grow_begin+0x91/0x8c0 [ 1326.749440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1326.755055] ? __cpuset_node_allowed+0x136/0x540 [ 1326.759805] fallback_alloc+0x1fd/0x2d0 [ 1326.763774] ____cache_alloc_node+0x1be/0x1e0 [ 1326.768272] kmem_cache_alloc_node+0xe3/0x710 [ 1326.772764] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1326.776997] __alloc_skb+0xd5/0x5f0 [ 1326.780619] ? skb_trim+0x190/0x190 [ 1326.784239] ? kasan_check_read+0x11/0x20 [ 1326.788387] ndisc_alloc_skb+0x13c/0x340 [ 1326.792456] ndisc_send_rs+0x35f/0x6e0 [ 1326.796341] addrconf_rs_timer+0x30f/0x680 [ 1326.800723] ? ipv6_get_lladdr+0x490/0x490 [ 1326.804959] call_timer_fn+0x18d/0x720 [ 1326.808838] ? ipv6_get_lladdr+0x490/0x490 [ 1326.813063] ? process_timeout+0x40/0x40 [ 1326.817203] ? run_timer_softirq+0x644/0x16a0 [ 1326.821694] ? trace_hardirqs_on+0x67/0x220 [ 1326.826015] ? ipv6_get_lladdr+0x490/0x490 [ 1326.830353] run_timer_softirq+0x64f/0x16a0 [ 1326.834673] ? add_timer+0xbe0/0xbe0 [ 1326.838391] ? __lock_is_held+0xb6/0x140 [ 1326.842455] __do_softirq+0x25c/0x921 [ 1326.846266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1326.851825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1326.857392] irq_exit+0x180/0x1d0 [ 1326.860863] smp_apic_timer_interrupt+0x13b/0x550 [ 1326.865707] apic_timer_interrupt+0xf/0x20 [ 1326.869933] [ 1326.872184] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1326.876779] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1326.895677] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1326.903380] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1326.910639] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1326.926495] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1326.933754] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1326.941012] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1326.948310] percpu_ref_put_many+0x37/0x190 [ 1326.952624] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1326.957722] mem_cgroup_iter+0x907/0xac0 [ 1326.961952] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1326.966720] ? kasan_check_read+0x11/0x20 [ 1326.970872] ? mem_cgroup_protected+0x44/0x380 [ 1326.975880] ? vmpressure+0x19f/0x350 [ 1326.979679] shrink_node+0x402/0x1450 [ 1326.983504] ? shrink_node_memcg+0x13f0/0x13f0 [ 1326.988092] ? kvm_clock_read+0x18/0x30 [ 1326.992060] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1326.997078] ? ktime_get+0x202/0x2f0 [ 1327.000786] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1327.006314] ? __cpuset_node_allowed+0x136/0x540 [ 1327.011079] do_try_to_free_pages+0x3cb/0x11c0 [ 1327.015668] ? shrink_node+0x1450/0x1450 [ 1327.019753] try_to_free_pages+0x2ee/0x7f0 [ 1327.023985] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1327.028856] __alloc_pages_slowpath+0x990/0x2870 [ 1327.033621] ? warn_alloc+0x110/0x110 [ 1327.037413] ? __lock_is_held+0xb6/0x140 [ 1327.041466] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1327.046999] ? should_fail+0x14d/0x85c [ 1327.050886] ? __might_sleep+0x95/0x190 [ 1327.054858] __alloc_pages_nodemask+0x617/0x750 [ 1327.059523] ? kasan_check_read+0x11/0x20 [ 1327.063682] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1327.068686] ? find_get_entry+0x3e1/0xa00 [ 1327.072829] ? find_get_pages_contig+0xed0/0xed0 [ 1327.077580] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1327.083115] alloc_pages_current+0x107/0x210 [ 1327.087520] __page_cache_alloc+0x2bd/0x450 [ 1327.091846] ? kasan_check_read+0x11/0x20 [ 1327.095992] filemap_fault+0xfeb/0x1f00 [ 1327.099971] ? lock_downgrade+0x880/0x880 [ 1327.104119] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1327.108782] ? lock_acquire+0x16f/0x3f0 [ 1327.112759] ? ext4_filemap_fault+0x7b/0xaf [ 1327.117603] ext4_filemap_fault+0x83/0xaf [ 1327.121757] __do_fault+0x111/0x480 [ 1327.125380] __handle_mm_fault+0x2d78/0x3f80 [ 1327.129801] ? copy_page_range+0x2030/0x2030 [ 1327.134217] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1327.138882] handle_mm_fault+0x1b5/0x690 [ 1327.142951] __do_page_fault+0x62a/0xe90 [ 1327.147008] ? vmalloc_fault+0x740/0x740 [ 1327.151065] ? trace_hardirqs_off_caller+0x65/0x220 [ 1327.156071] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1327.160990] ? page_fault+0x8/0x30 [ 1327.164548] do_page_fault+0x71/0x57d [ 1327.168431] ? page_fault+0x8/0x30 [ 1327.171972] page_fault+0x1e/0x30 [ 1327.175528] RIP: 0033:0x45b153 [ 1327.178735] Code: Bad RIP value. [ 1327.182102] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1327.197029] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1327.204299] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1327.211575] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1327.218837] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1327.226098] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1327.233377] warn_alloc_show_mem: 1 callbacks suppressed [ 1327.233387] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1327.233389] Mem-Info: [ 1327.233417] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1327.233417] active_file:12 inactive_file:12 isolated_file:0 [ 1327.233417] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1327.233417] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1327.233417] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1327.233417] free:10883 free_pcp:183 free_cma:0 [ 1327.238756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1327.245941] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1327.248331] Call Trace: [ 1327.281497] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1327.290836] dump_stack+0x197/0x210 [ 1327.318314] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1327.320896] warn_alloc.cold+0x7b/0x173 [ 1327.346732] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1327.350375] ? zone_watermark_ok_safe+0x260/0x260 [ 1327.376473] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1327.380464] ? __cpuset_node_allowed+0x136/0x540 [ 1327.385445] lowmem_reserve[]: 0 0 1 1 1 [ 1327.390291] ? __isolate_free_page+0x4c0/0x4c0 [ 1327.419161] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1327.423944] ? wake_all_kswapds+0x14d/0x300 [ 1327.427898] lowmem_reserve[]: 0 0 0 0 0 [ 1327.432492] __alloc_pages_slowpath+0x2214/0x2870 [ 1327.458239] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1327.462575] ? warn_alloc+0x110/0x110 [ 1327.466497] lowmem_reserve[]: 0 0 0 0 0 [ 1327.471341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1327.499618] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1327.503414] ? should_fail+0x14d/0x85c [ 1327.507361] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1327.512995] ? __isolate_free_page+0x4c0/0x4c0 [ 1327.525102] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1327.529022] __alloc_pages_nodemask+0x617/0x750 [ 1327.543042] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1327.547654] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1327.558288] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1327.562969] cache_grow_begin+0x91/0x8c0 [ 1327.578495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1327.578509] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1327.583544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1327.592360] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1327.596424] ? __cpuset_node_allowed+0x136/0x540 [ 1327.604987] 269 total pagecache pages [ 1327.613827] fallback_alloc+0x1fd/0x2d0 [ 1327.619354] 0 pages in swap cache [ 1327.627920] ____cache_alloc_node+0x1be/0x1e0 [ 1327.632653] Swap cache stats: add 0, delete 0, find 0/0 [ 1327.636454] kmem_cache_alloc_node+0xe3/0x710 [ 1327.640405] Free swap = 0kB [ 1327.643855] __alloc_skb+0xd5/0x5f0 [ 1327.648319] Total swap = 0kB [ 1327.653671] ? skb_trim+0x190/0x190 [ 1327.658140] 1965979 pages RAM [ 1327.661151] ? check_preemption_disabled+0x48/0x290 [ 1327.664748] 0 pages HighMem/MovableOnly [ 1327.664755] 341726 pages reserved [ 1327.667780] ? lock_acquire+0x16f/0x3f0 [ 1327.671404] 0 pages cma reserved [ 1327.674505] new_skb+0x28/0x1d0 [ 1327.679551] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1327.683468] aoecmd_cfg+0x1b5/0x640 [ 1327.686967] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1327.690866] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1327.694205] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1327.697496] ? timer_reduce+0x11d0/0x11d0 [ 1327.731690] discover_timer+0x4e/0x60 [ 1327.735484] call_timer_fn+0x18d/0x720 [ 1327.739369] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1327.744033] ? process_timeout+0x40/0x40 [ 1327.748091] ? run_timer_softirq+0x644/0x16a0 [ 1327.752581] ? trace_hardirqs_on+0x67/0x220 [ 1327.756899] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1327.761568] run_timer_softirq+0x64f/0x16a0 [ 1327.765888] ? add_timer+0xbe0/0xbe0 [ 1327.769593] ? kvm_clock_read+0x18/0x30 [ 1327.773561] ? check_preemption_disabled+0x48/0x290 [ 1327.778569] ? sched_clock+0x2e/0x50 [ 1327.782642] __do_softirq+0x25c/0x921 [ 1327.786434] ? preempt_schedule_common+0x4f/0xe0 [ 1327.791190] ? takeover_tasklets+0x7b0/0x7b0 [ 1327.795590] run_ksoftirqd+0x8e/0x110 [ 1327.799381] smpboot_thread_fn+0x6a3/0xa30 [ 1327.803612] ? sort_range+0x30/0x30 [ 1327.807248] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1327.812779] ? __kthread_parkme+0xfb/0x1b0 [ 1327.817013] kthread+0x354/0x420 [ 1327.820370] ? sort_range+0x30/0x30 [ 1327.823998] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1327.829529] ret_from_fork+0x24/0x30 [ 1327.833262] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1327.833338] aoe: skb alloc failure [ 1327.840619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1327.840624] Call Trace: [ 1327.840630] [ 1327.840646] dump_stack+0x197/0x210 [ 1327.840663] warn_alloc.cold+0x7b/0x173 [ 1327.844213] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1327.853543] ? zone_watermark_ok_safe+0x260/0x260 [ 1327.856111] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1327.858267] ? __cpuset_node_allowed+0x136/0x540 [ 1327.890509] ? __isolate_free_page+0x4c0/0x4c0 [ 1327.895082] ? wake_all_kswapds+0x14d/0x300 [ 1327.899403] __alloc_pages_slowpath+0x2214/0x2870 [ 1327.904253] ? warn_alloc+0x110/0x110 [ 1327.908048] ? __lock_acquire+0x6ee/0x49c0 [ 1327.912277] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1327.917808] ? should_fail+0x14d/0x85c [ 1327.921712] ? __isolate_free_page+0x4c0/0x4c0 [ 1327.926309] __alloc_pages_nodemask+0x617/0x750 [ 1327.930990] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1327.936027] ? find_held_lock+0x35/0x130 [ 1327.940099] cache_grow_begin+0x91/0x8c0 [ 1327.944169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1327.949707] ? __cpuset_node_allowed+0x136/0x540 [ 1327.954467] fallback_alloc+0x1fd/0x2d0 [ 1327.958448] ____cache_alloc_node+0x1be/0x1e0 [ 1327.962942] kmem_cache_alloc_node+0xe3/0x710 [ 1327.967452] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1327.971689] __alloc_skb+0xd5/0x5f0 [ 1327.975311] ? skb_trim+0x190/0x190 [ 1327.978941] ? kasan_check_read+0x11/0x20 [ 1327.983089] ndisc_alloc_skb+0x13c/0x340 [ 1327.987163] ndisc_send_rs+0x35f/0x6e0 [ 1327.991051] addrconf_rs_timer+0x30f/0x680 [ 1327.995285] ? ipv6_get_lladdr+0x490/0x490 [ 1327.999524] call_timer_fn+0x18d/0x720 [ 1328.003405] ? ipv6_get_lladdr+0x490/0x490 [ 1328.007636] ? process_timeout+0x40/0x40 [ 1328.011701] ? run_timer_softirq+0x644/0x16a0 [ 1328.016207] ? trace_hardirqs_on+0x67/0x220 [ 1328.020544] ? ipv6_get_lladdr+0x490/0x490 [ 1328.024772] run_timer_softirq+0x64f/0x16a0 [ 1328.029092] ? add_timer+0xbe0/0xbe0 [ 1328.032800] ? __lock_is_held+0xb6/0x140 [ 1328.036867] __do_softirq+0x25c/0x921 [ 1328.040662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1328.046190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1328.051733] irq_exit+0x180/0x1d0 [ 1328.055191] smp_apic_timer_interrupt+0x13b/0x550 [ 1328.060030] apic_timer_interrupt+0xf/0x20 [ 1328.064252] [ 1328.066499] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1328.071078] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1328.089968] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1328.097682] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1328.104945] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1328.112207] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1328.119468] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1328.126731] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1328.134035] percpu_ref_put_many+0x37/0x190 [ 1328.138354] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1328.143451] mem_cgroup_iter+0x907/0xac0 [ 1328.147510] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1328.152260] ? kasan_check_read+0x11/0x20 [ 1328.156402] ? mem_cgroup_protected+0x44/0x380 [ 1328.160987] ? vmpressure+0x19f/0x350 [ 1328.164789] shrink_node+0x402/0x1450 [ 1328.168597] ? shrink_node_memcg+0x13f0/0x13f0 [ 1328.173169] ? kvm_clock_read+0x18/0x30 [ 1328.177136] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1328.182144] ? ktime_get+0x202/0x2f0 [ 1328.185853] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1328.191383] ? __cpuset_node_allowed+0x136/0x540 [ 1328.196136] do_try_to_free_pages+0x3cb/0x11c0 [ 1328.200728] ? shrink_node+0x1450/0x1450 [ 1328.204802] try_to_free_pages+0x2ee/0x7f0 [ 1328.209046] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1328.213912] __alloc_pages_slowpath+0x990/0x2870 [ 1328.218680] ? warn_alloc+0x110/0x110 [ 1328.222473] ? __lock_is_held+0xb6/0x140 [ 1328.226530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1328.232064] ? should_fail+0x14d/0x85c [ 1328.235966] ? __might_sleep+0x95/0x190 [ 1328.239939] __alloc_pages_nodemask+0x617/0x750 [ 1328.244635] ? kasan_check_read+0x11/0x20 [ 1328.248786] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1328.253812] ? find_get_entry+0x3e1/0xa00 [ 1328.257974] ? find_get_pages_contig+0xed0/0xed0 [ 1328.262730] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1328.268270] alloc_pages_current+0x107/0x210 [ 1328.272681] __page_cache_alloc+0x2bd/0x450 [ 1328.277001] ? kasan_check_read+0x11/0x20 [ 1328.281161] filemap_fault+0xfeb/0x1f00 [ 1328.285131] ? lock_downgrade+0x880/0x880 [ 1328.289292] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1328.293960] ? lock_acquire+0x16f/0x3f0 [ 1328.297929] ? ext4_filemap_fault+0x7b/0xaf [ 1328.302255] ext4_filemap_fault+0x83/0xaf [ 1328.306399] __do_fault+0x111/0x480 [ 1328.310023] __handle_mm_fault+0x2d78/0x3f80 [ 1328.314426] ? copy_page_range+0x2030/0x2030 [ 1328.320770] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1328.325433] handle_mm_fault+0x1b5/0x690 [ 1328.329495] __do_page_fault+0x62a/0xe90 [ 1328.333567] ? vmalloc_fault+0x740/0x740 [ 1328.337623] ? trace_hardirqs_off_caller+0x65/0x220 [ 1328.342629] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1328.347548] ? page_fault+0x8/0x30 [ 1328.351083] do_page_fault+0x71/0x57d [ 1328.354873] ? page_fault+0x8/0x30 [ 1328.358404] page_fault+0x1e/0x30 [ 1328.361846] RIP: 0033:0x45b153 [ 1328.365043] Code: Bad RIP value. [ 1328.368397] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1328.373747] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1328.381018] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1328.388724] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1328.395984] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1328.403244] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1328.410540] warn_alloc_show_mem: 1 callbacks suppressed [ 1328.410551] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1328.410553] Mem-Info: [ 1328.410583] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1328.410583] active_file:12 inactive_file:12 isolated_file:0 [ 1328.410583] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1328.410583] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1328.410583] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1328.410583] free:10883 free_pcp:183 free_cma:0 [ 1328.415918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1328.415926] Call Trace: [ 1328.423142] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1328.425558] dump_stack+0x197/0x210 [ 1328.460875] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1328.470236] warn_alloc.cold+0x7b/0x173 [ 1328.472790] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1328.500301] ? zone_watermark_ok_safe+0x260/0x260 [ 1328.503898] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1328.529740] ? __cpuset_node_allowed+0x136/0x540 [ 1328.533692] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1328.559802] ? __isolate_free_page+0x4c0/0x4c0 [ 1328.564632] lowmem_reserve[]: 0 0 1 1 1 [ 1328.569654] ? wake_all_kswapds+0x14d/0x300 [ 1328.576483] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1328.605397] __alloc_pages_slowpath+0x2214/0x2870 [ 1328.609949] lowmem_reserve[]: 0 0 0 0 0 [ 1328.613946] ? warn_alloc+0x110/0x110 [ 1328.618234] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1328.644022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1328.648834] lowmem_reserve[]: 0 0 0 0 0 [ 1328.652803] ? should_fail+0x14d/0x85c [ 1328.656588] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1328.684446] ? __isolate_free_page+0x4c0/0x4c0 [ 1328.689958] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1328.693942] __alloc_pages_nodemask+0x617/0x750 [ 1328.697789] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1328.709924] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1328.714495] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1328.728554] cache_grow_begin+0x91/0x8c0 [ 1328.733206] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1328.745156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1328.750498] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1328.766015] ? __cpuset_node_allowed+0x136/0x540 [ 1328.770060] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1328.778879] fallback_alloc+0x1fd/0x2d0 [ 1328.784400] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1328.792966] ____cache_alloc_node+0x1be/0x1e0 [ 1328.797707] 269 total pagecache pages [ 1328.806534] kmem_cache_alloc_node+0xe3/0x710 [ 1328.810489] 0 pages in swap cache [ 1328.819057] __alloc_skb+0xd5/0x5f0 [ 1328.823522] Swap cache stats: add 0, delete 0, find 0/0 [ 1328.823529] Free swap = 0kB [ 1328.827320] ? skb_trim+0x190/0x190 [ 1328.831791] Total swap = 0kB [ 1328.835236] ? check_preemption_disabled+0x48/0x290 [ 1328.838844] 1965979 pages RAM [ 1328.844199] ? lock_acquire+0x16f/0x3f0 [ 1328.847186] 0 pages HighMem/MovableOnly [ 1328.847193] 341726 pages reserved [ 1328.850814] new_skb+0x28/0x1d0 [ 1328.853799] 0 pages cma reserved [ 1328.853864] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1328.858811] aoecmd_cfg+0x1b5/0x640 [ 1328.858827] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1328.858848] ? timer_reduce+0x11d0/0x11d0 [ 1328.862038] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1328.865918] discover_timer+0x4e/0x60 [ 1328.869876] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1328.873323] call_timer_fn+0x18d/0x720 [ 1328.921664] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1328.926327] ? process_timeout+0x40/0x40 [ 1328.930377] ? run_timer_softirq+0x644/0x16a0 [ 1328.934871] ? trace_hardirqs_on+0x67/0x220 [ 1328.939194] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1328.943854] run_timer_softirq+0x64f/0x16a0 [ 1328.948187] ? add_timer+0xbe0/0xbe0 [ 1328.951896] ? kvm_clock_read+0x18/0x30 [ 1328.955863] ? check_preemption_disabled+0x48/0x290 [ 1328.960889] ? sched_clock+0x2e/0x50 [ 1328.964605] __do_softirq+0x25c/0x921 [ 1328.968398] ? preempt_schedule_common+0x4f/0xe0 [ 1328.974118] ? takeover_tasklets+0x7b0/0x7b0 [ 1328.978541] run_ksoftirqd+0x8e/0x110 [ 1328.982339] smpboot_thread_fn+0x6a3/0xa30 [ 1328.986569] ? sort_range+0x30/0x30 [ 1328.990187] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1328.995717] ? __kthread_parkme+0xfb/0x1b0 [ 1328.999970] kthread+0x354/0x420 [ 1329.003344] ? sort_range+0x30/0x30 [ 1329.006974] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1329.012525] ret_from_fork+0x24/0x30 [ 1329.016259] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1329.016322] aoe: skb alloc failure [ 1329.023621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1329.023630] Call Trace: [ 1329.027217] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1329.036537] [ 1329.039107] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1329.049440] dump_stack+0x197/0x210 [ 1329.061336] warn_alloc.cold+0x7b/0x173 [ 1329.065393] ? zone_watermark_ok_safe+0x260/0x260 [ 1329.070243] ? __cpuset_node_allowed+0x136/0x540 [ 1329.074997] ? __isolate_free_page+0x4c0/0x4c0 [ 1329.080180] ? wake_all_kswapds+0x14d/0x300 [ 1329.084514] __alloc_pages_slowpath+0x2214/0x2870 [ 1329.089365] ? warn_alloc+0x110/0x110 [ 1329.093159] ? __lock_acquire+0x6ee/0x49c0 [ 1329.097387] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1329.102915] ? should_fail+0x14d/0x85c [ 1329.106883] ? __isolate_free_page+0x4c0/0x4c0 [ 1329.111466] __alloc_pages_nodemask+0x617/0x750 [ 1329.116157] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1329.121172] ? find_held_lock+0x35/0x130 [ 1329.125241] cache_grow_begin+0x91/0x8c0 [ 1329.129296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1329.134823] ? __cpuset_node_allowed+0x136/0x540 [ 1329.139574] fallback_alloc+0x1fd/0x2d0 [ 1329.143558] ____cache_alloc_node+0x1be/0x1e0 [ 1329.148148] kmem_cache_alloc+0x1f3/0x700 [ 1329.152287] ? mark_held_locks+0xb1/0x100 [ 1329.156433] ? __netdev_alloc_skb+0x370/0x470 [ 1329.160923] __build_skb+0x3e/0x310 [ 1329.164545] __netdev_alloc_skb+0x2ba/0x470 [ 1329.168862] send_hsr_supervision_frame+0x110/0xf30 [ 1329.173872] ? lock_acquire+0x16f/0x3f0 [ 1329.177843] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1329.182870] hsr_announce+0x12f/0x3b0 [ 1329.186667] call_timer_fn+0x18d/0x720 [ 1329.190549] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1329.195745] ? process_timeout+0x40/0x40 [ 1329.199798] ? run_timer_softirq+0x644/0x16a0 [ 1329.204303] ? trace_hardirqs_on+0x67/0x220 [ 1329.208621] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1329.213815] run_timer_softirq+0x64f/0x16a0 [ 1329.218134] ? add_timer+0xbe0/0xbe0 [ 1329.221841] ? __lock_is_held+0xb6/0x140 [ 1329.225908] __do_softirq+0x25c/0x921 [ 1329.229723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1329.235252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1329.240789] irq_exit+0x180/0x1d0 [ 1329.244235] smp_apic_timer_interrupt+0x13b/0x550 [ 1329.249084] apic_timer_interrupt+0xf/0x20 [ 1329.253306] [ 1329.255538] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1329.260114] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1329.279022] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1329.286985] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1329.294258] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1329.301518] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1329.308815] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1329.316090] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1329.323397] percpu_ref_put_many+0x37/0x190 [ 1329.327726] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1329.332840] mem_cgroup_iter+0x907/0xac0 [ 1329.336905] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1329.341663] ? kasan_check_read+0x11/0x20 [ 1329.345848] ? mem_cgroup_protected+0x44/0x380 [ 1329.350451] ? vmpressure+0x19f/0x350 [ 1329.354270] shrink_node+0x402/0x1450 [ 1329.358087] ? shrink_node_memcg+0x13f0/0x13f0 [ 1329.362691] ? kvm_clock_read+0x18/0x30 [ 1329.366682] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1329.371701] ? ktime_get+0x202/0x2f0 [ 1329.375485] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1329.381040] ? __cpuset_node_allowed+0x136/0x540 [ 1329.385802] do_try_to_free_pages+0x3cb/0x11c0 [ 1329.390396] ? shrink_node+0x1450/0x1450 [ 1329.394478] try_to_free_pages+0x2ee/0x7f0 [ 1329.398726] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1329.403596] __alloc_pages_slowpath+0x990/0x2870 [ 1329.408381] ? warn_alloc+0x110/0x110 [ 1329.412179] ? __lock_is_held+0xb6/0x140 [ 1329.416245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1329.422526] ? should_fail+0x14d/0x85c [ 1329.426420] ? __might_sleep+0x95/0x190 [ 1329.430409] __alloc_pages_nodemask+0x617/0x750 [ 1329.435095] ? kasan_check_read+0x11/0x20 [ 1329.439249] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1329.444263] ? find_get_entry+0x3e1/0xa00 [ 1329.448429] ? find_get_pages_contig+0xed0/0xed0 [ 1329.453203] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1329.458751] alloc_pages_current+0x107/0x210 [ 1329.463379] __page_cache_alloc+0x2bd/0x450 [ 1329.467712] ? kasan_check_read+0x11/0x20 [ 1329.471873] filemap_fault+0xfeb/0x1f00 [ 1329.475866] ? lock_downgrade+0x880/0x880 [ 1329.480112] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1329.484783] ? lock_acquire+0x16f/0x3f0 [ 1329.488779] ? ext4_filemap_fault+0x7b/0xaf [ 1329.493125] ext4_filemap_fault+0x83/0xaf [ 1329.497291] __do_fault+0x111/0x480 [ 1329.500933] __handle_mm_fault+0x2d78/0x3f80 [ 1329.505348] ? copy_page_range+0x2030/0x2030 [ 1329.509791] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1329.514751] handle_mm_fault+0x1b5/0x690 [ 1329.518843] __do_page_fault+0x62a/0xe90 [ 1329.522925] ? vmalloc_fault+0x740/0x740 [ 1329.526992] ? trace_hardirqs_off_caller+0x65/0x220 [ 1329.532018] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1329.536973] ? page_fault+0x8/0x30 [ 1329.540530] do_page_fault+0x71/0x57d [ 1329.544346] ? page_fault+0x8/0x30 [ 1329.548868] page_fault+0x1e/0x30 [ 1329.552333] RIP: 0033:0x45b153 [ 1329.555545] Code: Bad RIP value. [ 1329.558908] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1329.564292] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1329.571569] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1329.578847] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1329.586472] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1329.593739] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1329.601026] warn_alloc_show_mem: 1 callbacks suppressed [ 1329.601036] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1329.601038] Mem-Info: [ 1329.601066] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1329.601066] active_file:12 inactive_file:12 isolated_file:0 [ 1329.601066] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1329.601066] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1329.601066] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1329.601066] free:10883 free_pcp:183 free_cma:0 [ 1329.606409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1329.614998] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1329.617389] Call Trace: [ 1329.650640] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1329.659976] dump_stack+0x197/0x210 [ 1329.687467] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1329.690071] warn_alloc.cold+0x7b/0x173 [ 1329.715908] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1329.719574] ? zone_watermark_ok_safe+0x260/0x260 [ 1329.745646] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1329.749629] ? __cpuset_node_allowed+0x136/0x540 [ 1329.754623] lowmem_reserve[]: 0 0 1 1 1 [ 1329.759482] ? __isolate_free_page+0x4c0/0x4c0 [ 1329.788261] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1329.793011] ? wake_all_kswapds+0x14d/0x300 [ 1329.796963] lowmem_reserve[]: 0 0 0 0 0 [ 1329.801549] __alloc_pages_slowpath+0x2214/0x2870 [ 1329.827287] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1329.831623] ? warn_alloc+0x110/0x110 [ 1329.835554] lowmem_reserve[]: 0 0 0 0 0 [ 1329.840390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1329.868206] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1329.872000] ? should_fail+0x14d/0x85c [ 1329.875960] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1329.881493] ? __isolate_free_page+0x4c0/0x4c0 [ 1329.893600] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1329.897489] __alloc_pages_nodemask+0x617/0x750 [ 1329.911498] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1329.916103] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1329.926740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1329.931405] cache_grow_begin+0x91/0x8c0 [ 1329.946893] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1329.951908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1329.960721] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1329.964764] ? __cpuset_node_allowed+0x136/0x540 [ 1329.973330] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1329.978863] fallback_alloc+0x1fd/0x2d0 [ 1329.987686] 269 total pagecache pages [ 1329.992436] ____cache_alloc_node+0x1be/0x1e0 [ 1330.001000] 0 pages in swap cache [ 1330.004962] kmem_cache_alloc_node+0xe3/0x710 [ 1330.008744] Swap cache stats: add 0, delete 0, find 0/0 [ 1330.008752] Free swap = 0kB [ 1330.013255] __alloc_skb+0xd5/0x5f0 [ 1330.016679] Total swap = 0kB [ 1330.021167] ? skb_trim+0x190/0x190 [ 1330.026506] 1965979 pages RAM [ 1330.029518] ? check_preemption_disabled+0x48/0x290 [ 1330.033131] 0 pages HighMem/MovableOnly [ 1330.036140] ? lock_acquire+0x16f/0x3f0 [ 1330.039740] 341726 pages reserved [ 1330.042838] new_skb+0x28/0x1d0 [ 1330.047821] 0 pages cma reserved [ 1330.047935] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1330.051817] aoecmd_cfg+0x1b5/0x640 [ 1330.055780] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1330.059225] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1330.088837] ? timer_reduce+0x11d0/0x11d0 [ 1330.093010] discover_timer+0x4e/0x60 [ 1330.096825] call_timer_fn+0x18d/0x720 [ 1330.100717] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1330.105386] ? process_timeout+0x40/0x40 [ 1330.109443] ? run_timer_softirq+0x644/0x16a0 [ 1330.113940] ? trace_hardirqs_on+0x67/0x220 [ 1330.118262] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1330.122925] run_timer_softirq+0x64f/0x16a0 [ 1330.127246] ? add_timer+0xbe0/0xbe0 [ 1330.130954] ? kvm_clock_read+0x18/0x30 [ 1330.134923] ? check_preemption_disabled+0x48/0x290 [ 1330.139931] ? sched_clock+0x2e/0x50 [ 1330.143647] __do_softirq+0x25c/0x921 [ 1330.147436] ? preempt_schedule_common+0x4f/0xe0 [ 1330.152194] ? takeover_tasklets+0x7b0/0x7b0 [ 1330.156616] run_ksoftirqd+0x8e/0x110 [ 1330.160409] smpboot_thread_fn+0x6a3/0xa30 [ 1330.164637] ? sort_range+0x30/0x30 [ 1330.168256] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1330.173785] ? __kthread_parkme+0xfb/0x1b0 [ 1330.178012] kthread+0x354/0x420 [ 1330.181373] ? sort_range+0x30/0x30 [ 1330.184992] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1330.190792] ret_from_fork+0x24/0x30 [ 1330.194515] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1330.194599] aoe: skb alloc failure [ 1330.201881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1330.201886] Call Trace: [ 1330.201891] [ 1330.201908] dump_stack+0x197/0x210 [ 1330.201925] warn_alloc.cold+0x7b/0x173 [ 1330.205491] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1330.214795] ? zone_watermark_ok_safe+0x260/0x260 [ 1330.217367] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1330.219524] ? __cpuset_node_allowed+0x136/0x540 [ 1330.251790] ? __isolate_free_page+0x4c0/0x4c0 [ 1330.256368] ? wake_all_kswapds+0x14d/0x300 [ 1330.260687] __alloc_pages_slowpath+0x2214/0x2870 [ 1330.265537] ? warn_alloc+0x110/0x110 [ 1330.269332] ? __lock_acquire+0x6ee/0x49c0 [ 1330.273560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1330.279099] ? should_fail+0x14d/0x85c [ 1330.282984] ? __isolate_free_page+0x4c0/0x4c0 [ 1330.287566] __alloc_pages_nodemask+0x617/0x750 [ 1330.292231] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1330.297246] ? find_held_lock+0x35/0x130 [ 1330.301323] cache_grow_begin+0x91/0x8c0 [ 1330.305377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1330.310917] ? __cpuset_node_allowed+0x136/0x540 [ 1330.315665] fallback_alloc+0x1fd/0x2d0 [ 1330.319635] ____cache_alloc_node+0x1be/0x1e0 [ 1330.324142] kmem_cache_alloc_node+0xe3/0x710 [ 1330.328651] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1330.332885] __alloc_skb+0xd5/0x5f0 [ 1330.336525] ? skb_trim+0x190/0x190 [ 1330.340142] ? kasan_check_read+0x11/0x20 [ 1330.344290] ndisc_alloc_skb+0x13c/0x340 [ 1330.348349] ndisc_send_rs+0x35f/0x6e0 [ 1330.352238] addrconf_rs_timer+0x30f/0x680 [ 1330.356469] ? ipv6_get_lladdr+0x490/0x490 [ 1330.360705] call_timer_fn+0x18d/0x720 [ 1330.364582] ? ipv6_get_lladdr+0x490/0x490 [ 1330.368811] ? process_timeout+0x40/0x40 [ 1330.372863] ? run_timer_softirq+0x644/0x16a0 [ 1330.377354] ? trace_hardirqs_on+0x67/0x220 [ 1330.381670] ? ipv6_get_lladdr+0x490/0x490 [ 1330.385895] run_timer_softirq+0x64f/0x16a0 [ 1330.390214] ? add_timer+0xbe0/0xbe0 [ 1330.393923] ? __lock_is_held+0xb6/0x140 [ 1330.398005] __do_softirq+0x25c/0x921 [ 1330.401804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1330.407349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1330.412896] irq_exit+0x180/0x1d0 [ 1330.416362] smp_apic_timer_interrupt+0x13b/0x550 [ 1330.421205] apic_timer_interrupt+0xf/0x20 [ 1330.425433] [ 1330.427673] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1330.432257] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1330.451161] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1330.458861] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1330.466123] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1330.473385] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1330.480652] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1330.487924] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1330.495227] percpu_ref_put_many+0x37/0x190 [ 1330.499543] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1330.506462] mem_cgroup_iter+0x907/0xac0 [ 1330.510520] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1330.515280] ? kasan_check_read+0x11/0x20 [ 1330.519433] ? mem_cgroup_protected+0x44/0x380 [ 1330.524005] ? vmpressure+0x19f/0x350 [ 1330.527814] shrink_node+0x402/0x1450 [ 1330.531912] ? shrink_node_memcg+0x13f0/0x13f0 [ 1330.536494] ? kvm_clock_read+0x18/0x30 [ 1330.540462] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1330.545495] ? ktime_get+0x202/0x2f0 [ 1330.549205] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1330.554750] ? __cpuset_node_allowed+0x136/0x540 [ 1330.559506] do_try_to_free_pages+0x3cb/0x11c0 [ 1330.564182] ? shrink_node+0x1450/0x1450 [ 1330.568245] try_to_free_pages+0x2ee/0x7f0 [ 1330.572491] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1330.577350] __alloc_pages_slowpath+0x990/0x2870 [ 1330.582125] ? warn_alloc+0x110/0x110 [ 1330.585937] ? __lock_is_held+0xb6/0x140 [ 1330.590013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1330.595562] ? should_fail+0x14d/0x85c [ 1330.599472] ? __might_sleep+0x95/0x190 [ 1330.603451] __alloc_pages_nodemask+0x617/0x750 [ 1330.608121] ? kasan_check_read+0x11/0x20 [ 1330.612299] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1330.617319] ? find_get_entry+0x3e1/0xa00 [ 1330.621472] ? find_get_pages_contig+0xed0/0xed0 [ 1330.626234] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1330.631948] alloc_pages_current+0x107/0x210 [ 1330.636376] __page_cache_alloc+0x2bd/0x450 [ 1330.640708] ? kasan_check_read+0x11/0x20 [ 1330.644867] filemap_fault+0xfeb/0x1f00 [ 1330.648854] ? lock_downgrade+0x880/0x880 [ 1330.653018] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1330.657681] ? lock_acquire+0x16f/0x3f0 [ 1330.661650] ? ext4_filemap_fault+0x7b/0xaf [ 1330.665971] ext4_filemap_fault+0x83/0xaf [ 1330.670112] __do_fault+0x111/0x480 [ 1330.673746] __handle_mm_fault+0x2d78/0x3f80 [ 1330.678162] ? copy_page_range+0x2030/0x2030 [ 1330.682577] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1330.687241] handle_mm_fault+0x1b5/0x690 [ 1330.691305] __do_page_fault+0x62a/0xe90 [ 1330.695365] ? vmalloc_fault+0x740/0x740 [ 1330.699417] ? trace_hardirqs_off_caller+0x65/0x220 [ 1330.704422] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1330.709342] ? page_fault+0x8/0x30 [ 1330.712878] do_page_fault+0x71/0x57d [ 1330.716681] ? page_fault+0x8/0x30 [ 1330.720215] page_fault+0x1e/0x30 [ 1330.723657] RIP: 0033:0x45b153 [ 1330.726852] Code: Bad RIP value. [ 1330.730206] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1330.735560] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1330.742830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1330.750179] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1330.757461] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1330.764737] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1330.772034] warn_alloc_show_mem: 1 callbacks suppressed [ 1330.772043] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1330.772045] Mem-Info: [ 1330.772074] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1330.772074] active_file:12 inactive_file:12 isolated_file:0 [ 1330.772074] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1330.772074] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1330.772074] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1330.772074] free:10883 free_pcp:183 free_cma:0 [ 1330.777423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1330.784630] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1330.787023] Call Trace: [ 1330.820169] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1330.829504] dump_stack+0x197/0x210 [ 1330.856982] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1330.859565] warn_alloc.cold+0x7b/0x173 [ 1330.886351] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1330.889981] ? zone_watermark_ok_safe+0x260/0x260 [ 1330.916496] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1330.920477] ? __cpuset_node_allowed+0x136/0x540 [ 1330.925472] lowmem_reserve[]: 0 0 1 1 1 [ 1330.930313] ? __isolate_free_page+0x4c0/0x4c0 [ 1330.959094] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1330.963855] ? wake_all_kswapds+0x14d/0x300 [ 1330.967815] lowmem_reserve[]: 0 0 0 0 0 [ 1330.972406] __alloc_pages_slowpath+0x2214/0x2870 [ 1330.998137] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1331.002482] ? warn_alloc+0x110/0x110 [ 1331.006413] lowmem_reserve[]: 0 0 0 0 0 [ 1331.011251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1331.039068] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1331.042874] ? should_fail+0x14d/0x85c [ 1331.046818] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1331.052361] ? __isolate_free_page+0x4c0/0x4c0 [ 1331.064477] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1331.068365] __alloc_pages_nodemask+0x617/0x750 [ 1331.082388] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1331.086971] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1331.097617] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1331.102284] cache_grow_begin+0x91/0x8c0 [ 1331.117785] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1331.122789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1331.131604] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1331.135660] ? __cpuset_node_allowed+0x136/0x540 [ 1331.144229] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1331.144237] 269 total pagecache pages [ 1331.149764] fallback_alloc+0x1fd/0x2d0 [ 1331.158594] 0 pages in swap cache [ 1331.163362] ____cache_alloc_node+0x1be/0x1e0 [ 1331.171998] Swap cache stats: add 0, delete 0, find 0/0 [ 1331.172008] Free swap = 0kB [ 1331.175817] kmem_cache_alloc_node+0xe3/0x710 [ 1331.179755] Total swap = 0kB [ 1331.179764] 1965979 pages RAM [ 1331.183214] __alloc_skb+0xd5/0x5f0 [ 1331.187675] 0 pages HighMem/MovableOnly [ 1331.187683] 341726 pages reserved [ 1331.193038] ? skb_trim+0x190/0x190 [ 1331.196030] 0 pages cma reserved [ 1331.200516] ? check_preemption_disabled+0x48/0x290 [ 1331.203567] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1331.206604] ? lock_acquire+0x16f/0x3f0 [ 1331.206630] new_skb+0x28/0x1d0 [ 1331.210287] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1331.214198] aoecmd_cfg+0x1b5/0x640 [ 1331.217626] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1331.221248] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1331.266690] ? timer_reduce+0x11d0/0x11d0 [ 1331.270839] discover_timer+0x4e/0x60 [ 1331.274631] call_timer_fn+0x18d/0x720 [ 1331.278512] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1331.283173] ? process_timeout+0x40/0x40 [ 1331.287226] ? run_timer_softirq+0x644/0x16a0 [ 1331.291723] ? trace_hardirqs_on+0x67/0x220 [ 1331.296056] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1331.300717] run_timer_softirq+0x64f/0x16a0 [ 1331.305935] ? add_timer+0xbe0/0xbe0 [ 1331.309639] ? kvm_clock_read+0x18/0x30 [ 1331.313620] ? check_preemption_disabled+0x48/0x290 [ 1331.318630] ? sched_clock+0x2e/0x50 [ 1331.322348] __do_softirq+0x25c/0x921 [ 1331.326149] ? preempt_schedule_common+0x4f/0xe0 [ 1331.330923] ? takeover_tasklets+0x7b0/0x7b0 [ 1331.335325] run_ksoftirqd+0x8e/0x110 [ 1331.339115] smpboot_thread_fn+0x6a3/0xa30 [ 1331.343344] ? sort_range+0x30/0x30 [ 1331.346962] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1331.352491] ? __kthread_parkme+0xfb/0x1b0 [ 1331.356724] kthread+0x354/0x420 [ 1331.360690] ? sort_range+0x30/0x30 [ 1331.364308] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1331.369848] ret_from_fork+0x24/0x30 [ 1331.373568] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1331.373623] aoe: skb alloc failure [ 1331.380926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1331.380931] Call Trace: [ 1331.380937] [ 1331.380952] dump_stack+0x197/0x210 [ 1331.380970] warn_alloc.cold+0x7b/0x173 [ 1331.384526] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1331.393856] ? zone_watermark_ok_safe+0x260/0x260 [ 1331.396413] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1331.398555] ? __cpuset_node_allowed+0x136/0x540 [ 1331.430868] ? __isolate_free_page+0x4c0/0x4c0 [ 1331.435447] ? wake_all_kswapds+0x14d/0x300 [ 1331.439771] __alloc_pages_slowpath+0x2214/0x2870 [ 1331.444641] ? warn_alloc+0x110/0x110 [ 1331.448437] ? __lock_acquire+0x6ee/0x49c0 [ 1331.452666] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1331.458196] ? should_fail+0x14d/0x85c [ 1331.462127] ? __isolate_free_page+0x4c0/0x4c0 [ 1331.466765] __alloc_pages_nodemask+0x617/0x750 [ 1331.471433] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1331.476468] ? find_held_lock+0x35/0x130 [ 1331.480542] cache_grow_begin+0x91/0x8c0 [ 1331.484619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1331.490172] ? __cpuset_node_allowed+0x136/0x540 [ 1331.494948] fallback_alloc+0x1fd/0x2d0 [ 1331.498938] ____cache_alloc_node+0x1be/0x1e0 [ 1331.503434] kmem_cache_alloc_node+0xe3/0x710 [ 1331.507948] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1331.512197] __alloc_skb+0xd5/0x5f0 [ 1331.515833] ? skb_trim+0x190/0x190 [ 1331.519540] ? kasan_check_read+0x11/0x20 [ 1331.523695] ndisc_alloc_skb+0x13c/0x340 [ 1331.527755] ndisc_send_rs+0x35f/0x6e0 [ 1331.531638] addrconf_rs_timer+0x30f/0x680 [ 1331.535872] ? ipv6_get_lladdr+0x490/0x490 [ 1331.540109] call_timer_fn+0x18d/0x720 [ 1331.544002] ? ipv6_get_lladdr+0x490/0x490 [ 1331.548229] ? process_timeout+0x40/0x40 [ 1331.552282] ? run_timer_softirq+0x644/0x16a0 [ 1331.556773] ? trace_hardirqs_on+0x67/0x220 [ 1331.561094] ? ipv6_get_lladdr+0x490/0x490 [ 1331.565331] run_timer_softirq+0x64f/0x16a0 [ 1331.569663] ? add_timer+0xbe0/0xbe0 [ 1331.573473] ? __lock_is_held+0xb6/0x140 [ 1331.577556] __do_softirq+0x25c/0x921 [ 1331.581362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1331.586900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1331.592442] irq_exit+0x180/0x1d0 [ 1331.595892] smp_apic_timer_interrupt+0x13b/0x550 [ 1331.600731] apic_timer_interrupt+0xf/0x20 [ 1331.604964] [ 1331.607197] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1331.611784] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1331.630775] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1331.638474] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1331.645734] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1331.652994] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1331.660267] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1331.667715] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1331.675035] percpu_ref_put_many+0x37/0x190 [ 1331.679367] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1331.684486] mem_cgroup_iter+0x907/0xac0 [ 1331.688550] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1331.693306] ? kasan_check_read+0x11/0x20 [ 1331.697452] ? mem_cgroup_protected+0x44/0x380 [ 1331.702032] ? vmpressure+0x19f/0x350 [ 1331.705835] shrink_node+0x402/0x1450 [ 1331.709658] ? shrink_node_memcg+0x13f0/0x13f0 [ 1331.714248] ? kvm_clock_read+0x18/0x30 [ 1331.718214] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1331.723223] ? ktime_get+0x202/0x2f0 [ 1331.726932] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1331.732460] ? __cpuset_node_allowed+0x136/0x540 [ 1331.737302] do_try_to_free_pages+0x3cb/0x11c0 [ 1331.741901] ? shrink_node+0x1450/0x1450 [ 1331.745980] try_to_free_pages+0x2ee/0x7f0 [ 1331.750223] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1331.755084] __alloc_pages_slowpath+0x990/0x2870 [ 1331.759847] ? warn_alloc+0x110/0x110 [ 1331.763641] ? __lock_is_held+0xb6/0x140 [ 1331.767700] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1331.773240] ? should_fail+0x14d/0x85c [ 1331.777135] ? __might_sleep+0x95/0x190 [ 1331.781123] __alloc_pages_nodemask+0x617/0x750 [ 1331.785787] ? kasan_check_read+0x11/0x20 [ 1331.789931] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1331.794939] ? find_get_entry+0x3e1/0xa00 [ 1331.799081] ? find_get_pages_contig+0xed0/0xed0 [ 1331.803842] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1331.809377] alloc_pages_current+0x107/0x210 [ 1331.813792] __page_cache_alloc+0x2bd/0x450 [ 1331.818107] ? kasan_check_read+0x11/0x20 [ 1331.822255] filemap_fault+0xfeb/0x1f00 [ 1331.826227] ? lock_downgrade+0x880/0x880 [ 1331.830380] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1331.835056] ? lock_acquire+0x16f/0x3f0 [ 1331.839025] ? ext4_filemap_fault+0x7b/0xaf [ 1331.843424] ext4_filemap_fault+0x83/0xaf [ 1331.847587] __do_fault+0x111/0x480 [ 1331.851251] __handle_mm_fault+0x2d78/0x3f80 [ 1331.855684] ? copy_page_range+0x2030/0x2030 [ 1331.860206] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1331.865019] handle_mm_fault+0x1b5/0x690 [ 1331.869096] __do_page_fault+0x62a/0xe90 [ 1331.873160] ? vmalloc_fault+0x740/0x740 [ 1331.877231] ? trace_hardirqs_off_caller+0x65/0x220 [ 1331.882256] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1331.887195] ? page_fault+0x8/0x30 [ 1331.890734] do_page_fault+0x71/0x57d [ 1331.894527] ? page_fault+0x8/0x30 [ 1331.898063] page_fault+0x1e/0x30 [ 1331.901508] RIP: 0033:0x45b153 [ 1331.904705] Code: Bad RIP value. [ 1331.908070] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1331.913426] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1331.920686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1331.927961] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1331.935221] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1331.942492] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1331.949765] warn_alloc_show_mem: 1 callbacks suppressed [ 1331.949775] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1331.949777] Mem-Info: [ 1331.949806] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1331.949806] active_file:12 inactive_file:12 isolated_file:0 [ 1331.949806] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1331.949806] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1331.949806] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1331.949806] free:10883 free_pcp:183 free_cma:0 [ 1331.955160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1331.962357] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1331.964759] Call Trace: [ 1331.997903] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1332.007249] dump_stack+0x197/0x210 [ 1332.034721] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1332.037306] warn_alloc.cold+0x7b/0x173 [ 1332.063125] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1332.066771] ? zone_watermark_ok_safe+0x260/0x260 [ 1332.092852] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1332.096837] ? __cpuset_node_allowed+0x136/0x540 [ 1332.101824] lowmem_reserve[]: 0 0 1 1 1 [ 1332.106667] ? __isolate_free_page+0x4c0/0x4c0 [ 1332.135626] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1332.140380] ? wake_all_kswapds+0x14d/0x300 [ 1332.144323] lowmem_reserve[]: 0 0 0 0 0 [ 1332.148912] __alloc_pages_slowpath+0x2214/0x2870 [ 1332.174644] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1332.178979] ? warn_alloc+0x110/0x110 [ 1332.182905] lowmem_reserve[]: 0 0 0 0 0 [ 1332.187761] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1332.215596] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1332.219390] ? should_fail+0x14d/0x85c [ 1332.223349] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1332.228885] ? __isolate_free_page+0x4c0/0x4c0 [ 1332.241115] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1332.245025] __alloc_pages_nodemask+0x617/0x750 [ 1332.259045] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1332.263647] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1332.274275] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1332.278945] cache_grow_begin+0x91/0x8c0 [ 1332.294435] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1332.299453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1332.308273] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1332.308285] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1332.312333] ? __cpuset_node_allowed+0x136/0x540 [ 1332.320884] 269 total pagecache pages [ 1332.326411] fallback_alloc+0x1fd/0x2d0 [ 1332.335227] 0 pages in swap cache [ 1332.343809] ____cache_alloc_node+0x1be/0x1e0 [ 1332.348535] Swap cache stats: add 0, delete 0, find 0/0 [ 1332.348543] Free swap = 0kB [ 1332.352359] kmem_cache_alloc_node+0xe3/0x710 [ 1332.356313] Total swap = 0kB [ 1332.356322] 1965979 pages RAM [ 1332.359786] __alloc_skb+0xd5/0x5f0 [ 1332.364248] 0 pages HighMem/MovableOnly [ 1332.369605] ? skb_trim+0x190/0x190 [ 1332.372591] 341726 pages reserved [ 1332.372604] 0 pages cma reserved [ 1332.377090] ? check_preemption_disabled+0x48/0x290 [ 1332.380153] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1332.383186] ? lock_acquire+0x16f/0x3f0 [ 1332.383206] new_skb+0x28/0x1d0 [ 1332.386894] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1332.390791] aoecmd_cfg+0x1b5/0x640 [ 1332.394409] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1332.397856] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1332.442815] ? timer_reduce+0x11d0/0x11d0 [ 1332.446986] discover_timer+0x4e/0x60 [ 1332.450777] call_timer_fn+0x18d/0x720 [ 1332.454661] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1332.459323] ? process_timeout+0x40/0x40 [ 1332.463374] ? run_timer_softirq+0x644/0x16a0 [ 1332.467866] ? trace_hardirqs_on+0x67/0x220 [ 1332.472194] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1332.476858] run_timer_softirq+0x64f/0x16a0 [ 1332.481177] ? add_timer+0xbe0/0xbe0 [ 1332.484897] ? kvm_clock_read+0x18/0x30 [ 1332.488865] ? check_preemption_disabled+0x48/0x290 [ 1332.493873] ? sched_clock+0x2e/0x50 [ 1332.497590] __do_softirq+0x25c/0x921 [ 1332.501383] ? preempt_schedule_common+0x4f/0xe0 [ 1332.506140] ? takeover_tasklets+0x7b0/0x7b0 [ 1332.510539] run_ksoftirqd+0x8e/0x110 [ 1332.514333] smpboot_thread_fn+0x6a3/0xa30 [ 1332.518563] ? sort_range+0x30/0x30 [ 1332.522182] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1332.527727] ? __kthread_parkme+0xfb/0x1b0 [ 1332.531959] kthread+0x354/0x420 [ 1332.535320] ? sort_range+0x30/0x30 [ 1332.538938] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1332.544505] ret_from_fork+0x24/0x30 [ 1332.548254] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1332.548319] aoe: skb alloc failure [ 1332.555628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1332.555634] Call Trace: [ 1332.555641] [ 1332.555659] dump_stack+0x197/0x210 [ 1332.555678] warn_alloc.cold+0x7b/0x173 [ 1332.559235] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1332.568593] ? zone_watermark_ok_safe+0x260/0x260 [ 1332.571155] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1332.573329] ? __cpuset_node_allowed+0x136/0x540 [ 1332.605610] ? __isolate_free_page+0x4c0/0x4c0 [ 1332.610198] ? wake_all_kswapds+0x14d/0x300 [ 1332.614533] __alloc_pages_slowpath+0x2214/0x2870 [ 1332.619385] ? warn_alloc+0x110/0x110 [ 1332.623179] ? __lock_acquire+0x6ee/0x49c0 [ 1332.627405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1332.632934] ? should_fail+0x14d/0x85c [ 1332.636817] ? __isolate_free_page+0x4c0/0x4c0 [ 1332.641412] __alloc_pages_nodemask+0x617/0x750 [ 1332.646077] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1332.651105] ? find_held_lock+0x35/0x130 [ 1332.655162] cache_grow_begin+0x91/0x8c0 [ 1332.659217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1332.664747] ? __cpuset_node_allowed+0x136/0x540 [ 1332.669497] fallback_alloc+0x1fd/0x2d0 [ 1332.673468] ____cache_alloc_node+0x1be/0x1e0 [ 1332.677960] kmem_cache_alloc_node+0xe3/0x710 [ 1332.682449] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1332.686681] __alloc_skb+0xd5/0x5f0 [ 1332.690302] ? skb_trim+0x190/0x190 [ 1332.694008] ? kasan_check_read+0x11/0x20 [ 1332.698156] ndisc_alloc_skb+0x13c/0x340 [ 1332.702214] ndisc_send_rs+0x35f/0x6e0 [ 1332.706098] addrconf_rs_timer+0x30f/0x680 [ 1332.710331] ? ipv6_get_lladdr+0x490/0x490 [ 1332.714567] call_timer_fn+0x18d/0x720 [ 1332.718445] ? ipv6_get_lladdr+0x490/0x490 [ 1332.722673] ? process_timeout+0x40/0x40 [ 1332.726726] ? run_timer_softirq+0x644/0x16a0 [ 1332.731218] ? trace_hardirqs_on+0x67/0x220 [ 1332.735559] ? ipv6_get_lladdr+0x490/0x490 [ 1332.739796] run_timer_softirq+0x64f/0x16a0 [ 1332.744249] ? add_timer+0xbe0/0xbe0 [ 1332.747975] ? __lock_is_held+0xb6/0x140 [ 1332.752061] __do_softirq+0x25c/0x921 [ 1332.755879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1332.761428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1332.766979] irq_exit+0x180/0x1d0 [ 1332.770432] smp_apic_timer_interrupt+0x13b/0x550 [ 1332.775275] apic_timer_interrupt+0xf/0x20 [ 1332.779502] [ 1332.781737] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1332.786320] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1332.805215] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1332.812914] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1332.820185] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1332.827444] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1332.834717] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1332.841991] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1332.849281] percpu_ref_put_many+0x37/0x190 [ 1332.853594] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1332.858696] mem_cgroup_iter+0x907/0xac0 [ 1332.862767] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1332.867517] ? kasan_check_read+0x11/0x20 [ 1332.871658] ? mem_cgroup_protected+0x44/0x380 [ 1332.876232] ? vmpressure+0x19f/0x350 [ 1332.880037] shrink_node+0x402/0x1450 [ 1332.883844] ? shrink_node_memcg+0x13f0/0x13f0 [ 1332.888416] ? kvm_clock_read+0x18/0x30 [ 1332.892384] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1332.897396] ? ktime_get+0x202/0x2f0 [ 1332.901103] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1332.906631] ? __cpuset_node_allowed+0x136/0x540 [ 1332.911383] do_try_to_free_pages+0x3cb/0x11c0 [ 1332.915973] ? shrink_node+0x1450/0x1450 [ 1332.920037] try_to_free_pages+0x2ee/0x7f0 [ 1332.924279] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1332.929149] __alloc_pages_slowpath+0x990/0x2870 [ 1332.933926] ? warn_alloc+0x110/0x110 [ 1332.937728] ? __lock_is_held+0xb6/0x140 [ 1332.941805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1332.947344] ? should_fail+0x14d/0x85c [ 1332.951241] ? __might_sleep+0x95/0x190 [ 1332.955222] __alloc_pages_nodemask+0x617/0x750 [ 1332.959902] ? kasan_check_read+0x11/0x20 [ 1332.965877] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1332.970884] ? find_get_entry+0x3e1/0xa00 [ 1332.975046] ? find_get_pages_contig+0xed0/0xed0 [ 1332.979979] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1332.985511] alloc_pages_current+0x107/0x210 [ 1332.989911] __page_cache_alloc+0x2bd/0x450 [ 1332.994227] ? kasan_check_read+0x11/0x20 [ 1332.998380] filemap_fault+0xfeb/0x1f00 [ 1333.002348] ? lock_downgrade+0x880/0x880 [ 1333.006495] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1333.011159] ? lock_acquire+0x16f/0x3f0 [ 1333.015137] ? ext4_filemap_fault+0x7b/0xaf [ 1333.019458] ext4_filemap_fault+0x83/0xaf [ 1333.023599] __do_fault+0x111/0x480 [ 1333.027224] __handle_mm_fault+0x2d78/0x3f80 [ 1333.031626] ? copy_page_range+0x2030/0x2030 [ 1333.036059] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1333.040722] handle_mm_fault+0x1b5/0x690 [ 1333.044791] __do_page_fault+0x62a/0xe90 [ 1333.048853] ? vmalloc_fault+0x740/0x740 [ 1333.052908] ? trace_hardirqs_off_caller+0x65/0x220 [ 1333.057914] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1333.062850] ? page_fault+0x8/0x30 [ 1333.066385] do_page_fault+0x71/0x57d [ 1333.070180] ? page_fault+0x8/0x30 [ 1333.073713] page_fault+0x1e/0x30 [ 1333.077157] RIP: 0033:0x45b153 [ 1333.080353] Code: Bad RIP value. [ 1333.083707] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1333.089057] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1333.096330] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1333.103590] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1333.110849] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1333.118111] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1333.125389] warn_alloc_show_mem: 1 callbacks suppressed [ 1333.125399] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1333.125400] Mem-Info: [ 1333.125430] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1333.125430] active_file:12 inactive_file:12 isolated_file:0 [ 1333.125430] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1333.125430] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1333.125430] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1333.125430] free:10883 free_pcp:183 free_cma:0 [ 1333.130773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1333.137978] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1333.140372] Call Trace: [ 1333.173526] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1333.182864] dump_stack+0x197/0x210 [ 1333.210335] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1333.212933] warn_alloc.cold+0x7b/0x173 [ 1333.238772] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1333.242400] ? zone_watermark_ok_safe+0x260/0x260 [ 1333.268924] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1333.272894] ? __cpuset_node_allowed+0x136/0x540 [ 1333.277892] lowmem_reserve[]: 0 0 1 1 1 [ 1333.282738] ? __isolate_free_page+0x4c0/0x4c0 [ 1333.311523] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1333.316284] ? wake_all_kswapds+0x14d/0x300 [ 1333.320330] lowmem_reserve[]: 0 0 0 0 0 [ 1333.324945] __alloc_pages_slowpath+0x2214/0x2870 [ 1333.350700] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1333.355038] ? warn_alloc+0x110/0x110 [ 1333.358966] lowmem_reserve[]: 0 0 0 0 0 [ 1333.363814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1333.391634] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1333.395443] ? should_fail+0x14d/0x85c [ 1333.399408] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1333.404958] ? __isolate_free_page+0x4c0/0x4c0 [ 1333.417070] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1333.420966] __alloc_pages_nodemask+0x617/0x750 [ 1333.434972] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1333.439571] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1333.450217] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1333.454888] cache_grow_begin+0x91/0x8c0 [ 1333.470550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1333.475648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1333.484477] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1333.488524] ? __cpuset_node_allowed+0x136/0x540 [ 1333.497078] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1333.502602] fallback_alloc+0x1fd/0x2d0 [ 1333.511428] 269 total pagecache pages [ 1333.516178] ____cache_alloc_node+0x1be/0x1e0 [ 1333.524732] 0 pages in swap cache [ 1333.528697] kmem_cache_alloc_node+0xe3/0x710 [ 1333.532480] Swap cache stats: add 0, delete 0, find 0/0 [ 1333.532489] Free swap = 0kB [ 1333.537000] __alloc_skb+0xd5/0x5f0 [ 1333.540424] Total swap = 0kB [ 1333.544935] ? skb_trim+0x190/0x190 [ 1333.550282] 1965979 pages RAM [ 1333.553295] ? check_preemption_disabled+0x48/0x290 [ 1333.556899] 0 pages HighMem/MovableOnly [ 1333.559921] ? lock_acquire+0x16f/0x3f0 [ 1333.559942] new_skb+0x28/0x1d0 [ 1333.563548] 341726 pages reserved [ 1333.566644] aoecmd_cfg+0x1b5/0x640 [ 1333.571752] 0 pages cma reserved [ 1333.571817] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1333.575747] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1333.575770] ? timer_reduce+0x11d0/0x11d0 [ 1333.579781] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1333.583005] discover_timer+0x4e/0x60 [ 1333.586431] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1333.590066] call_timer_fn+0x18d/0x720 [ 1333.631009] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1333.635741] ? process_timeout+0x40/0x40 [ 1333.639801] ? run_timer_softirq+0x644/0x16a0 [ 1333.644461] ? trace_hardirqs_on+0x67/0x220 [ 1333.648784] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1333.653450] run_timer_softirq+0x64f/0x16a0 [ 1333.657776] ? add_timer+0xbe0/0xbe0 [ 1333.661484] ? kvm_clock_read+0x18/0x30 [ 1333.665455] ? check_preemption_disabled+0x48/0x290 [ 1333.670467] ? sched_clock+0x2e/0x50 [ 1333.674187] __do_softirq+0x25c/0x921 [ 1333.677986] ? preempt_schedule_common+0x4f/0xe0 [ 1333.682742] ? takeover_tasklets+0x7b0/0x7b0 [ 1333.687155] run_ksoftirqd+0x8e/0x110 [ 1333.690947] smpboot_thread_fn+0x6a3/0xa30 [ 1333.695180] ? sort_range+0x30/0x30 [ 1333.698800] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1333.704330] ? __kthread_parkme+0xfb/0x1b0 [ 1333.708561] kthread+0x354/0x420 [ 1333.711917] ? sort_range+0x30/0x30 [ 1333.715536] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1333.721071] ret_from_fork+0x24/0x30 [ 1333.724814] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1333.724880] aoe: skb alloc failure [ 1333.732198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1333.735797] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1333.745100] Call Trace: [ 1333.755405] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1333.757976] [ 1333.764942] dump_stack+0x197/0x210 [ 1333.768567] warn_alloc.cold+0x7b/0x173 [ 1333.772896] ? zone_watermark_ok_safe+0x260/0x260 [ 1333.777732] ? __cpuset_node_allowed+0x136/0x540 [ 1333.782502] ? __isolate_free_page+0x4c0/0x4c0 [ 1333.787091] ? wake_all_kswapds+0x14d/0x300 [ 1333.791498] __alloc_pages_slowpath+0x2214/0x2870 [ 1333.796349] ? warn_alloc+0x110/0x110 [ 1333.800146] ? __lock_acquire+0x6ee/0x49c0 [ 1333.804373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1333.809901] ? should_fail+0x14d/0x85c [ 1333.813784] ? __isolate_free_page+0x4c0/0x4c0 [ 1333.818368] __alloc_pages_nodemask+0x617/0x750 [ 1333.823046] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1333.828077] ? find_held_lock+0x35/0x130 [ 1333.832135] cache_grow_begin+0x91/0x8c0 [ 1333.836211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1333.841755] ? __cpuset_node_allowed+0x136/0x540 [ 1333.846510] fallback_alloc+0x1fd/0x2d0 [ 1333.850494] ____cache_alloc_node+0x1be/0x1e0 [ 1333.855104] kmem_cache_alloc+0x1f3/0x700 [ 1333.859255] ? mark_held_locks+0xb1/0x100 [ 1333.863438] ? __netdev_alloc_skb+0x370/0x470 [ 1333.868041] __build_skb+0x3e/0x310 [ 1333.871697] __netdev_alloc_skb+0x2ba/0x470 [ 1333.876025] send_hsr_supervision_frame+0x110/0xf30 [ 1333.881040] ? lock_acquire+0x16f/0x3f0 [ 1333.885019] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1333.890038] hsr_announce+0x12f/0x3b0 [ 1333.893848] call_timer_fn+0x18d/0x720 [ 1333.897731] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1333.902915] ? process_timeout+0x40/0x40 [ 1333.906972] ? run_timer_softirq+0x644/0x16a0 [ 1333.911461] ? trace_hardirqs_on+0x67/0x220 [ 1333.915781] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1333.920964] run_timer_softirq+0x64f/0x16a0 [ 1333.925285] ? add_timer+0xbe0/0xbe0 [ 1333.928991] ? __lock_is_held+0xb6/0x140 [ 1333.933057] __do_softirq+0x25c/0x921 [ 1333.936849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1333.942378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1333.947917] irq_exit+0x180/0x1d0 [ 1333.951362] smp_apic_timer_interrupt+0x13b/0x550 [ 1333.956211] apic_timer_interrupt+0xf/0x20 [ 1333.960431] [ 1333.962661] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1333.967239] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1333.986145] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1333.993846] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1334.001108] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1334.008378] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1334.015673] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1334.022948] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1334.030260] percpu_ref_put_many+0x37/0x190 [ 1334.034581] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1334.039685] mem_cgroup_iter+0x907/0xac0 [ 1334.043756] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1334.048513] ? kasan_check_read+0x11/0x20 [ 1334.052654] ? mem_cgroup_protected+0x44/0x380 [ 1334.057231] ? vmpressure+0x19f/0x350 [ 1334.061058] shrink_node+0x402/0x1450 [ 1334.064881] ? shrink_node_memcg+0x13f0/0x13f0 [ 1334.069453] ? kvm_clock_read+0x18/0x30 [ 1334.073421] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1334.078430] ? ktime_get+0x202/0x2f0 [ 1334.082138] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1334.087673] ? __cpuset_node_allowed+0x136/0x540 [ 1334.092425] do_try_to_free_pages+0x3cb/0x11c0 [ 1334.097013] ? shrink_node+0x1450/0x1450 [ 1334.101077] try_to_free_pages+0x2ee/0x7f0 [ 1334.105309] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1334.110161] __alloc_pages_slowpath+0x990/0x2870 [ 1334.114925] ? warn_alloc+0x110/0x110 [ 1334.118717] ? __lock_is_held+0xb6/0x140 [ 1334.122773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1334.128305] ? should_fail+0x14d/0x85c [ 1334.132194] ? __might_sleep+0x95/0x190 [ 1334.136165] __alloc_pages_nodemask+0x617/0x750 [ 1334.140848] ? kasan_check_read+0x11/0x20 [ 1334.145008] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1334.150019] ? find_get_entry+0x3e1/0xa00 [ 1334.154164] ? find_get_pages_contig+0xed0/0xed0 [ 1334.158913] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1334.164447] alloc_pages_current+0x107/0x210 [ 1334.168852] __page_cache_alloc+0x2bd/0x450 [ 1334.173185] ? kasan_check_read+0x11/0x20 [ 1334.177325] filemap_fault+0xfeb/0x1f00 [ 1334.181291] ? lock_downgrade+0x880/0x880 [ 1334.185439] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1334.190118] ? lock_acquire+0x16f/0x3f0 [ 1334.194086] ? ext4_filemap_fault+0x7b/0xaf [ 1334.198407] ext4_filemap_fault+0x83/0xaf [ 1334.202545] __do_fault+0x111/0x480 [ 1334.206166] __handle_mm_fault+0x2d78/0x3f80 [ 1334.210568] ? copy_page_range+0x2030/0x2030 [ 1334.214985] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1334.219645] handle_mm_fault+0x1b5/0x690 [ 1334.223701] __do_page_fault+0x62a/0xe90 [ 1334.227766] ? vmalloc_fault+0x740/0x740 [ 1334.231818] ? trace_hardirqs_off_caller+0x65/0x220 [ 1334.236833] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1334.241755] ? page_fault+0x8/0x30 [ 1334.245302] do_page_fault+0x71/0x57d [ 1334.249107] ? page_fault+0x8/0x30 [ 1334.252639] page_fault+0x1e/0x30 [ 1334.256082] RIP: 0033:0x45b153 [ 1334.259368] Code: Bad RIP value. [ 1334.262718] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1334.268080] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1334.275342] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1334.282601] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1334.289858] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1334.297119] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1334.304393] warn_alloc_show_mem: 1 callbacks suppressed [ 1334.304404] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1334.304405] Mem-Info: [ 1334.304433] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1334.304433] active_file:12 inactive_file:12 isolated_file:0 [ 1334.304433] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1334.304433] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1334.304433] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1334.304433] free:10883 free_pcp:183 free_cma:0 [ 1334.309777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1334.316964] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1334.319347] Call Trace: [ 1334.352485] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1334.361820] dump_stack+0x197/0x210 [ 1334.389392] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1334.391989] warn_alloc.cold+0x7b/0x173 [ 1334.420150] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1334.423798] ? zone_watermark_ok_safe+0x260/0x260 [ 1334.449876] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1334.454021] ? __cpuset_node_allowed+0x136/0x540 [ 1334.459007] lowmem_reserve[]: 0 0 1 1 1 [ 1334.463848] ? __isolate_free_page+0x4c0/0x4c0 [ 1334.492614] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1334.497365] ? wake_all_kswapds+0x14d/0x300 [ 1334.501307] lowmem_reserve[]: 0 0 0 0 0 [ 1334.505908] __alloc_pages_slowpath+0x2214/0x2870 [ 1334.531649] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1334.535986] ? warn_alloc+0x110/0x110 [ 1334.539908] lowmem_reserve[]: 0 0 0 0 0 [ 1334.544799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1334.572635] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1334.576435] ? should_fail+0x14d/0x85c [ 1334.580381] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1334.586526] ? __isolate_free_page+0x4c0/0x4c0 [ 1334.599707] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1334.603613] __alloc_pages_nodemask+0x617/0x750 [ 1334.617639] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1334.622285] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1334.632953] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1334.637645] cache_grow_begin+0x91/0x8c0 [ 1334.653140] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1334.653155] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1334.658183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1334.667096] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1334.671140] ? __cpuset_node_allowed+0x136/0x540 [ 1334.679803] 269 total pagecache pages [ 1334.688762] fallback_alloc+0x1fd/0x2d0 [ 1334.694720] 0 pages in swap cache [ 1334.703312] ____cache_alloc_node+0x1be/0x1e0 [ 1334.708052] Swap cache stats: add 0, delete 0, find 0/0 [ 1334.711863] kmem_cache_alloc_node+0xe3/0x710 [ 1334.715812] Free swap = 0kB [ 1334.715820] Total swap = 0kB [ 1334.719300] __alloc_skb+0xd5/0x5f0 [ 1334.724297] 1965979 pages RAM [ 1334.729668] ? skb_trim+0x190/0x190 [ 1334.734140] 0 pages HighMem/MovableOnly [ 1334.734150] 341726 pages reserved [ 1334.737183] ? check_preemption_disabled+0x48/0x290 [ 1334.740178] 0 pages cma reserved [ 1334.743801] ? lock_acquire+0x16f/0x3f0 [ 1334.747000] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1334.750530] new_skb+0x28/0x1d0 [ 1334.754488] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1334.757945] aoecmd_cfg+0x1b5/0x640 [ 1334.792338] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1334.796661] ? timer_reduce+0x11d0/0x11d0 [ 1334.800810] discover_timer+0x4e/0x60 [ 1334.804609] call_timer_fn+0x18d/0x720 [ 1334.808490] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1334.813171] ? process_timeout+0x40/0x40 [ 1334.817252] ? run_timer_softirq+0x644/0x16a0 [ 1334.821753] ? trace_hardirqs_on+0x67/0x220 [ 1334.826073] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1334.830749] run_timer_softirq+0x64f/0x16a0 [ 1334.835112] ? add_timer+0xbe0/0xbe0 [ 1334.838846] ? kvm_clock_read+0x18/0x30 [ 1334.842827] ? check_preemption_disabled+0x48/0x290 [ 1334.847841] ? sched_clock+0x2e/0x50 [ 1334.851565] __do_softirq+0x25c/0x921 [ 1334.855363] ? preempt_schedule_common+0x4f/0xe0 [ 1334.860123] ? takeover_tasklets+0x7b0/0x7b0 [ 1334.864523] run_ksoftirqd+0x8e/0x110 [ 1334.868711] smpboot_thread_fn+0x6a3/0xa30 [ 1334.872960] ? sort_range+0x30/0x30 [ 1334.876595] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1334.882134] ? __kthread_parkme+0xfb/0x1b0 [ 1334.886399] kthread+0x354/0x420 [ 1334.889910] ? sort_range+0x30/0x30 [ 1334.893543] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1334.899176] ret_from_fork+0x24/0x30 [ 1334.902925] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1334.903001] aoe: skb alloc failure [ 1334.910287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1334.910292] Call Trace: [ 1334.910299] [ 1334.910318] dump_stack+0x197/0x210 [ 1334.910335] warn_alloc.cold+0x7b/0x173 [ 1334.913890] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1334.923330] ? zone_watermark_ok_safe+0x260/0x260 [ 1334.925897] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1334.928041] ? __cpuset_node_allowed+0x136/0x540 [ 1334.960359] ? __isolate_free_page+0x4c0/0x4c0 [ 1334.964976] ? wake_all_kswapds+0x14d/0x300 [ 1334.969405] __alloc_pages_slowpath+0x2214/0x2870 [ 1334.974270] ? warn_alloc+0x110/0x110 [ 1334.978070] ? __lock_acquire+0x6ee/0x49c0 [ 1334.982368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1334.987932] ? should_fail+0x14d/0x85c [ 1334.991846] ? __isolate_free_page+0x4c0/0x4c0 [ 1334.996450] __alloc_pages_nodemask+0x617/0x750 [ 1335.001140] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1335.006184] ? find_held_lock+0x35/0x130 [ 1335.010263] cache_grow_begin+0x91/0x8c0 [ 1335.014421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1335.019976] ? __cpuset_node_allowed+0x136/0x540 [ 1335.024767] fallback_alloc+0x1fd/0x2d0 [ 1335.028749] ____cache_alloc_node+0x1be/0x1e0 [ 1335.033283] kmem_cache_alloc+0x1f3/0x700 [ 1335.037788] ? mark_held_locks+0xb1/0x100 [ 1335.041942] ? __netdev_alloc_skb+0x370/0x470 [ 1335.046448] __build_skb+0x3e/0x310 [ 1335.050092] __netdev_alloc_skb+0x2ba/0x470 [ 1335.054437] send_hsr_supervision_frame+0x110/0xf30 [ 1335.059461] ? lock_acquire+0x16f/0x3f0 [ 1335.063450] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1335.068489] hsr_announce+0x12f/0x3b0 [ 1335.072310] call_timer_fn+0x18d/0x720 [ 1335.076217] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1335.081419] ? process_timeout+0x40/0x40 [ 1335.085492] ? run_timer_softirq+0x644/0x16a0 [ 1335.090005] ? trace_hardirqs_on+0x67/0x220 [ 1335.094350] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1335.099542] run_timer_softirq+0x64f/0x16a0 [ 1335.103936] ? add_timer+0xbe0/0xbe0 [ 1335.107671] ? __lock_is_held+0xb6/0x140 [ 1335.111743] __do_softirq+0x25c/0x921 [ 1335.115538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1335.121093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1335.126630] irq_exit+0x180/0x1d0 [ 1335.130087] smp_apic_timer_interrupt+0x13b/0x550 [ 1335.134925] apic_timer_interrupt+0xf/0x20 [ 1335.139841] [ 1335.142075] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1335.146652] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1335.165541] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1335.173250] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1335.180507] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1335.187781] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1335.195060] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1335.202332] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1335.209647] percpu_ref_put_many+0x37/0x190 [ 1335.213987] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1335.219095] mem_cgroup_iter+0x907/0xac0 [ 1335.223157] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1335.227911] ? kasan_check_read+0x11/0x20 [ 1335.232063] ? mem_cgroup_protected+0x44/0x380 [ 1335.236657] ? vmpressure+0x19f/0x350 [ 1335.240465] shrink_node+0x402/0x1450 [ 1335.244288] ? shrink_node_memcg+0x13f0/0x13f0 [ 1335.248881] ? kvm_clock_read+0x18/0x30 [ 1335.252869] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1335.257903] ? ktime_get+0x202/0x2f0 [ 1335.261614] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1335.267173] ? __cpuset_node_allowed+0x136/0x540 [ 1335.271944] do_try_to_free_pages+0x3cb/0x11c0 [ 1335.276538] ? shrink_node+0x1450/0x1450 [ 1335.280611] try_to_free_pages+0x2ee/0x7f0 [ 1335.284860] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1335.289736] __alloc_pages_slowpath+0x990/0x2870 [ 1335.294512] ? warn_alloc+0x110/0x110 [ 1335.298309] ? __lock_is_held+0xb6/0x140 [ 1335.302462] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1335.308015] ? should_fail+0x14d/0x85c [ 1335.311910] ? __might_sleep+0x95/0x190 [ 1335.315884] __alloc_pages_nodemask+0x617/0x750 [ 1335.320579] ? kasan_check_read+0x11/0x20 [ 1335.324732] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1335.329741] ? find_get_entry+0x3e1/0xa00 [ 1335.333898] ? find_get_pages_contig+0xed0/0xed0 [ 1335.338685] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1335.344240] alloc_pages_current+0x107/0x210 [ 1335.348653] __page_cache_alloc+0x2bd/0x450 [ 1335.352977] ? kasan_check_read+0x11/0x20 [ 1335.357165] filemap_fault+0xfeb/0x1f00 [ 1335.361151] ? lock_downgrade+0x880/0x880 [ 1335.365317] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1335.369985] ? lock_acquire+0x16f/0x3f0 [ 1335.373971] ? ext4_filemap_fault+0x7b/0xaf [ 1335.378310] ext4_filemap_fault+0x83/0xaf [ 1335.382460] __do_fault+0x111/0x480 [ 1335.386084] __handle_mm_fault+0x2d78/0x3f80 [ 1335.390515] ? copy_page_range+0x2030/0x2030 [ 1335.394951] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1335.399628] handle_mm_fault+0x1b5/0x690 [ 1335.403720] __do_page_fault+0x62a/0xe90 [ 1335.407787] ? vmalloc_fault+0x740/0x740 [ 1335.411851] ? trace_hardirqs_off_caller+0x65/0x220 [ 1335.416885] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1335.421827] ? page_fault+0x8/0x30 [ 1335.425372] do_page_fault+0x71/0x57d [ 1335.429171] ? page_fault+0x8/0x30 [ 1335.432709] page_fault+0x1e/0x30 [ 1335.436154] RIP: 0033:0x45b153 [ 1335.439958] Code: Bad RIP value. [ 1335.443314] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1335.448673] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1335.455947] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1335.463225] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1335.470496] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1335.477776] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1335.485059] warn_alloc_show_mem: 1 callbacks suppressed [ 1335.485069] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1335.485071] Mem-Info: [ 1335.485100] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1335.485100] active_file:12 inactive_file:12 isolated_file:0 [ 1335.485100] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1335.485100] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1335.485100] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1335.485100] free:10883 free_pcp:183 free_cma:0 [ 1335.490446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1335.497641] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1335.500033] Call Trace: [ 1335.533180] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1335.542515] dump_stack+0x197/0x210 [ 1335.571033] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1335.573615] warn_alloc.cold+0x7b/0x173 [ 1335.599462] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1335.603113] ? zone_watermark_ok_safe+0x260/0x260 [ 1335.629194] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1335.633166] ? __cpuset_node_allowed+0x136/0x540 [ 1335.638146] lowmem_reserve[]: 0 0 1 1 1 [ 1335.643019] ? __isolate_free_page+0x4c0/0x4c0 [ 1335.671877] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1335.676627] ? wake_all_kswapds+0x14d/0x300 [ 1335.680571] lowmem_reserve[]: 0 0 0 0 0 [ 1335.685150] __alloc_pages_slowpath+0x2214/0x2870 [ 1335.711317] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1335.715651] ? warn_alloc+0x110/0x110 [ 1335.719579] lowmem_reserve[]: 0 0 0 0 0 [ 1335.724414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1335.753011] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1335.756808] ? should_fail+0x14d/0x85c [ 1335.760750] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1335.766281] ? __isolate_free_page+0x4c0/0x4c0 [ 1335.778387] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1335.782280] __alloc_pages_nodemask+0x617/0x750 [ 1335.796308] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1335.800906] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1335.811529] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1335.816217] cache_grow_begin+0x91/0x8c0 [ 1335.831715] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1335.836721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1335.845552] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1335.849598] ? __cpuset_node_allowed+0x136/0x540 [ 1335.858187] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1335.858195] 269 total pagecache pages [ 1335.863734] fallback_alloc+0x1fd/0x2d0 [ 1335.873513] 0 pages in swap cache [ 1335.878260] ____cache_alloc_node+0x1be/0x1e0 [ 1335.886809] Swap cache stats: add 0, delete 0, find 0/0 [ 1335.886817] Free swap = 0kB [ 1335.890611] kmem_cache_alloc_node+0xe3/0x710 [ 1335.894647] Total swap = 0kB [ 1335.898099] __alloc_skb+0xd5/0x5f0 [ 1335.902562] 1965979 pages RAM [ 1335.907923] ? skb_trim+0x190/0x190 [ 1335.910923] 0 pages HighMem/MovableOnly [ 1335.915415] ? check_preemption_disabled+0x48/0x290 [ 1335.918401] 341726 pages reserved [ 1335.918409] 0 pages cma reserved [ 1335.922028] ? lock_acquire+0x16f/0x3f0 [ 1335.925215] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1335.928739] new_skb+0x28/0x1d0 [ 1335.932699] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1335.937706] aoecmd_cfg+0x1b5/0x640 [ 1335.970278] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1335.974597] ? timer_reduce+0x11d0/0x11d0 [ 1335.978744] discover_timer+0x4e/0x60 [ 1335.982545] call_timer_fn+0x18d/0x720 [ 1335.986426] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1335.991087] ? process_timeout+0x40/0x40 [ 1335.995204] ? run_timer_softirq+0x644/0x16a0 [ 1335.999703] ? trace_hardirqs_on+0x67/0x220 [ 1336.004022] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1336.008691] run_timer_softirq+0x64f/0x16a0 [ 1336.013014] ? add_timer+0xbe0/0xbe0 [ 1336.016718] ? kvm_clock_read+0x18/0x30 [ 1336.020706] ? check_preemption_disabled+0x48/0x290 [ 1336.025847] ? sched_clock+0x2e/0x50 [ 1336.029602] __do_softirq+0x25c/0x921 [ 1336.033409] ? preempt_schedule_common+0x4f/0xe0 [ 1336.038184] ? takeover_tasklets+0x7b0/0x7b0 [ 1336.042611] run_ksoftirqd+0x8e/0x110 [ 1336.046411] smpboot_thread_fn+0x6a3/0xa30 [ 1336.050646] ? sort_range+0x30/0x30 [ 1336.054377] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1336.059907] ? __kthread_parkme+0xfb/0x1b0 [ 1336.064139] kthread+0x354/0x420 [ 1336.067497] ? sort_range+0x30/0x30 [ 1336.071113] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1336.076642] ret_from_fork+0x24/0x30 [ 1336.080370] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1336.080436] aoe: skb alloc failure [ 1336.088684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1336.088688] Call Trace: [ 1336.088694] [ 1336.088711] dump_stack+0x197/0x210 [ 1336.088728] warn_alloc.cold+0x7b/0x173 [ 1336.092270] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1336.101593] ? zone_watermark_ok_safe+0x260/0x260 [ 1336.104162] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1336.106302] ? __cpuset_node_allowed+0x136/0x540 [ 1336.138544] ? __isolate_free_page+0x4c0/0x4c0 [ 1336.143119] ? wake_all_kswapds+0x14d/0x300 [ 1336.147438] __alloc_pages_slowpath+0x2214/0x2870 [ 1336.152289] ? warn_alloc+0x110/0x110 [ 1336.156083] ? __lock_acquire+0x6ee/0x49c0 [ 1336.161277] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1336.166808] ? should_fail+0x14d/0x85c [ 1336.170692] ? __isolate_free_page+0x4c0/0x4c0 [ 1336.175293] __alloc_pages_nodemask+0x617/0x750 [ 1336.179966] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1336.184988] ? find_held_lock+0x35/0x130 [ 1336.189079] cache_grow_begin+0x91/0x8c0 [ 1336.193145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1336.198679] ? __cpuset_node_allowed+0x136/0x540 [ 1336.203443] fallback_alloc+0x1fd/0x2d0 [ 1336.207415] ____cache_alloc_node+0x1be/0x1e0 [ 1336.211908] kmem_cache_alloc_node+0xe3/0x710 [ 1336.216407] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1336.220647] __alloc_skb+0xd5/0x5f0 [ 1336.224279] ? skb_trim+0x190/0x190 [ 1336.227894] ? kasan_check_read+0x11/0x20 [ 1336.232039] ndisc_alloc_skb+0x13c/0x340 [ 1336.236094] ndisc_send_rs+0x35f/0x6e0 [ 1336.239987] addrconf_rs_timer+0x30f/0x680 [ 1336.244218] ? ipv6_get_lladdr+0x490/0x490 [ 1336.248455] call_timer_fn+0x18d/0x720 [ 1336.252344] ? ipv6_get_lladdr+0x490/0x490 [ 1336.256573] ? process_timeout+0x40/0x40 [ 1336.260633] ? run_timer_softirq+0x644/0x16a0 [ 1336.265122] ? trace_hardirqs_on+0x67/0x220 [ 1336.269435] ? ipv6_get_lladdr+0x490/0x490 [ 1336.273661] run_timer_softirq+0x64f/0x16a0 [ 1336.277982] ? add_timer+0xbe0/0xbe0 [ 1336.281688] ? __lock_is_held+0xb6/0x140 [ 1336.285755] __do_softirq+0x25c/0x921 [ 1336.289546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1336.295072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1336.300612] irq_exit+0x180/0x1d0 [ 1336.304058] smp_apic_timer_interrupt+0x13b/0x550 [ 1336.308905] apic_timer_interrupt+0xf/0x20 [ 1336.313133] [ 1336.315363] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1336.319937] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1336.338828] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1336.346530] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1336.353804] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1336.361065] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1336.368322] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1336.375580] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1336.382869] percpu_ref_put_many+0x37/0x190 [ 1336.387181] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1336.392274] mem_cgroup_iter+0x907/0xac0 [ 1336.396331] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1336.401079] ? kasan_check_read+0x11/0x20 [ 1336.405219] ? mem_cgroup_protected+0x44/0x380 [ 1336.409821] ? vmpressure+0x19f/0x350 [ 1336.413621] shrink_node+0x402/0x1450 [ 1336.417454] ? shrink_node_memcg+0x13f0/0x13f0 [ 1336.422051] ? kvm_clock_read+0x18/0x30 [ 1336.426027] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1336.431055] ? ktime_get+0x202/0x2f0 [ 1336.434771] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1336.440304] ? __cpuset_node_allowed+0x136/0x540 [ 1336.445055] do_try_to_free_pages+0x3cb/0x11c0 [ 1336.449640] ? shrink_node+0x1450/0x1450 [ 1336.453704] try_to_free_pages+0x2ee/0x7f0 [ 1336.457932] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1336.462780] __alloc_pages_slowpath+0x990/0x2870 [ 1336.467545] ? warn_alloc+0x110/0x110 [ 1336.471354] ? __lock_is_held+0xb6/0x140 [ 1336.476375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1336.481904] ? should_fail+0x14d/0x85c [ 1336.485793] ? __might_sleep+0x95/0x190 [ 1336.489779] __alloc_pages_nodemask+0x617/0x750 [ 1336.494440] ? kasan_check_read+0x11/0x20 [ 1336.498603] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1336.503792] ? find_get_entry+0x3e1/0xa00 [ 1336.507933] ? find_get_pages_contig+0xed0/0xed0 [ 1336.512678] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1336.518211] alloc_pages_current+0x107/0x210 [ 1336.522623] __page_cache_alloc+0x2bd/0x450 [ 1336.526937] ? kasan_check_read+0x11/0x20 [ 1336.531079] filemap_fault+0xfeb/0x1f00 [ 1336.535046] ? lock_downgrade+0x880/0x880 [ 1336.539226] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1336.543910] ? lock_acquire+0x16f/0x3f0 [ 1336.547894] ? ext4_filemap_fault+0x7b/0xaf [ 1336.552311] ext4_filemap_fault+0x83/0xaf [ 1336.556495] __do_fault+0x111/0x480 [ 1336.560139] __handle_mm_fault+0x2d78/0x3f80 [ 1336.564558] ? copy_page_range+0x2030/0x2030 [ 1336.568980] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1336.573648] handle_mm_fault+0x1b5/0x690 [ 1336.577708] __do_page_fault+0x62a/0xe90 [ 1336.581781] ? vmalloc_fault+0x740/0x740 [ 1336.585835] ? trace_hardirqs_off_caller+0x65/0x220 [ 1336.590843] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1336.595763] ? page_fault+0x8/0x30 [ 1336.599295] do_page_fault+0x71/0x57d [ 1336.603095] ? page_fault+0x8/0x30 [ 1336.606627] page_fault+0x1e/0x30 [ 1336.610071] RIP: 0033:0x45b153 [ 1336.613265] Code: Bad RIP value. [ 1336.616617] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1336.621970] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1336.629227] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1336.636486] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1336.643743] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1336.651001] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1336.658283] warn_alloc_show_mem: 1 callbacks suppressed [ 1336.658293] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1336.658295] Mem-Info: [ 1336.658322] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1336.658322] active_file:12 inactive_file:12 isolated_file:0 [ 1336.658322] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1336.658322] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1336.658322] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1336.658322] free:10883 free_pcp:183 free_cma:0 [ 1336.663659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1336.663666] Call Trace: [ 1336.670855] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1336.673265] dump_stack+0x197/0x210 [ 1336.706396] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1336.715731] warn_alloc.cold+0x7b/0x173 [ 1336.718289] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1336.745790] ? zone_watermark_ok_safe+0x260/0x260 [ 1336.749386] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1336.775240] ? __cpuset_node_allowed+0x136/0x540 [ 1336.779189] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1336.805472] ? __isolate_free_page+0x4c0/0x4c0 [ 1336.810282] lowmem_reserve[]: 0 0 1 1 1 [ 1336.815295] ? wake_all_kswapds+0x14d/0x300 [ 1336.820029] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1336.848829] __alloc_pages_slowpath+0x2214/0x2870 [ 1336.853386] lowmem_reserve[]: 0 0 0 0 0 [ 1336.857377] ? warn_alloc+0x110/0x110 [ 1336.861656] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1336.887426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1336.892333] lowmem_reserve[]: 0 0 0 0 0 [ 1336.896330] ? should_fail+0x14d/0x85c [ 1336.900108] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1336.927954] ? __isolate_free_page+0x4c0/0x4c0 [ 1336.933456] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1336.937430] __alloc_pages_nodemask+0x617/0x750 [ 1336.941281] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1336.953422] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1336.957992] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1336.972049] cache_grow_begin+0x91/0x8c0 [ 1336.976705] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1336.987354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1336.992346] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1337.007848] ? __cpuset_node_allowed+0x136/0x540 [ 1337.011891] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1337.020714] fallback_alloc+0x1fd/0x2d0 [ 1337.026225] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1337.034790] ____cache_alloc_node+0x1be/0x1e0 [ 1337.039516] 269 total pagecache pages [ 1337.048348] kmem_cache_alloc_node+0xe3/0x710 [ 1337.052299] 0 pages in swap cache [ 1337.060866] __alloc_skb+0xd5/0x5f0 [ 1337.065342] Swap cache stats: add 0, delete 0, find 0/0 [ 1337.069127] ? skb_trim+0x190/0x190 [ 1337.073589] Free swap = 0kB [ 1337.073597] Total swap = 0kB [ 1337.077129] ? check_preemption_disabled+0x48/0x290 [ 1337.080729] 1965979 pages RAM [ 1337.086092] ? lock_acquire+0x16f/0x3f0 [ 1337.089684] 0 pages HighMem/MovableOnly [ 1337.089691] 341726 pages reserved [ 1337.092717] new_skb+0x28/0x1d0 [ 1337.095705] 0 pages cma reserved [ 1337.100766] aoecmd_cfg+0x1b5/0x640 [ 1337.100783] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1337.103932] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1337.107859] ? timer_reduce+0x11d0/0x11d0 [ 1337.107884] discover_timer+0x4e/0x60 [ 1337.111935] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1337.115286] call_timer_fn+0x18d/0x720 [ 1337.118551] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1337.121917] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1337.167712] ? process_timeout+0x40/0x40 [ 1337.171762] ? run_timer_softirq+0x644/0x16a0 [ 1337.176265] ? trace_hardirqs_on+0x67/0x220 [ 1337.180585] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1337.185251] run_timer_softirq+0x64f/0x16a0 [ 1337.189581] ? add_timer+0xbe0/0xbe0 [ 1337.193286] ? kvm_clock_read+0x18/0x30 [ 1337.197262] ? check_preemption_disabled+0x48/0x290 [ 1337.202268] ? sched_clock+0x2e/0x50 [ 1337.205983] __do_softirq+0x25c/0x921 [ 1337.209776] ? preempt_schedule_common+0x4f/0xe0 [ 1337.214536] ? takeover_tasklets+0x7b0/0x7b0 [ 1337.218934] run_ksoftirqd+0x8e/0x110 [ 1337.222735] smpboot_thread_fn+0x6a3/0xa30 [ 1337.226962] ? sort_range+0x30/0x30 [ 1337.230591] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1337.236121] ? __kthread_parkme+0xfb/0x1b0 [ 1337.240350] kthread+0x354/0x420 [ 1337.243707] ? sort_range+0x30/0x30 [ 1337.247339] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1337.252908] ret_from_fork+0x24/0x30 [ 1337.256651] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1337.256715] aoe: skb alloc failure [ 1337.264021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1337.267633] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1337.276903] Call Trace: [ 1337.287199] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1337.289766] [ 1337.296735] dump_stack+0x197/0x210 [ 1337.300356] warn_alloc.cold+0x7b/0x173 [ 1337.304324] ? zone_watermark_ok_safe+0x260/0x260 [ 1337.309160] ? __cpuset_node_allowed+0x136/0x540 [ 1337.313914] ? __isolate_free_page+0x4c0/0x4c0 [ 1337.318496] ? wake_all_kswapds+0x14d/0x300 [ 1337.322823] __alloc_pages_slowpath+0x2214/0x2870 [ 1337.327674] ? warn_alloc+0x110/0x110 [ 1337.331466] ? __lock_acquire+0x6ee/0x49c0 [ 1337.335694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1337.341224] ? should_fail+0x14d/0x85c [ 1337.345106] ? __isolate_free_page+0x4c0/0x4c0 [ 1337.349700] __alloc_pages_nodemask+0x617/0x750 [ 1337.354368] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1337.359396] ? find_held_lock+0x35/0x130 [ 1337.363451] cache_grow_begin+0x91/0x8c0 [ 1337.367506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1337.373033] ? __cpuset_node_allowed+0x136/0x540 [ 1337.377782] fallback_alloc+0x1fd/0x2d0 [ 1337.381930] ____cache_alloc_node+0x1be/0x1e0 [ 1337.386431] kmem_cache_alloc_node+0xe3/0x710 [ 1337.390919] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1337.395149] __alloc_skb+0xd5/0x5f0 [ 1337.398787] ? skb_trim+0x190/0x190 [ 1337.402428] ? kasan_check_read+0x11/0x20 [ 1337.406595] ndisc_alloc_skb+0x13c/0x340 [ 1337.410658] ndisc_send_rs+0x35f/0x6e0 [ 1337.414574] addrconf_rs_timer+0x30f/0x680 [ 1337.418817] ? ipv6_get_lladdr+0x490/0x490 [ 1337.423059] call_timer_fn+0x18d/0x720 [ 1337.426947] ? ipv6_get_lladdr+0x490/0x490 [ 1337.431175] ? process_timeout+0x40/0x40 [ 1337.435231] ? run_timer_softirq+0x644/0x16a0 [ 1337.439725] ? trace_hardirqs_on+0x67/0x220 [ 1337.444044] ? ipv6_get_lladdr+0x490/0x490 [ 1337.448297] run_timer_softirq+0x64f/0x16a0 [ 1337.452613] ? add_timer+0xbe0/0xbe0 [ 1337.456319] ? __lock_is_held+0xb6/0x140 [ 1337.460381] __do_softirq+0x25c/0x921 [ 1337.464172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1337.469703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1337.475241] irq_exit+0x180/0x1d0 [ 1337.478687] smp_apic_timer_interrupt+0x13b/0x550 [ 1337.483531] apic_timer_interrupt+0xf/0x20 [ 1337.487754] [ 1337.489983] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1337.494558] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1337.513450] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1337.521149] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1337.528417] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1337.535677] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1337.542937] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1337.550194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1337.557481] percpu_ref_put_many+0x37/0x190 [ 1337.561793] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1337.566893] mem_cgroup_iter+0x907/0xac0 [ 1337.570969] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1337.575735] ? kasan_check_read+0x11/0x20 [ 1337.579887] ? mem_cgroup_protected+0x44/0x380 [ 1337.584459] ? vmpressure+0x19f/0x350 [ 1337.588256] shrink_node+0x402/0x1450 [ 1337.592060] ? shrink_node_memcg+0x13f0/0x13f0 [ 1337.596632] ? kvm_clock_read+0x18/0x30 [ 1337.600612] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1337.605630] ? ktime_get+0x202/0x2f0 [ 1337.609337] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1337.614863] ? __cpuset_node_allowed+0x136/0x540 [ 1337.619638] do_try_to_free_pages+0x3cb/0x11c0 [ 1337.624509] ? shrink_node+0x1450/0x1450 [ 1337.628593] try_to_free_pages+0x2ee/0x7f0 [ 1337.632846] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1337.637703] __alloc_pages_slowpath+0x990/0x2870 [ 1337.642482] ? warn_alloc+0x110/0x110 [ 1337.646281] ? __lock_is_held+0xb6/0x140 [ 1337.650337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1337.655868] ? should_fail+0x14d/0x85c [ 1337.659757] ? __might_sleep+0x95/0x190 [ 1337.663725] __alloc_pages_nodemask+0x617/0x750 [ 1337.668387] ? kasan_check_read+0x11/0x20 [ 1337.672539] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1337.677543] ? find_get_entry+0x3e1/0xa00 [ 1337.681687] ? find_get_pages_contig+0xed0/0xed0 [ 1337.686433] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1337.691970] alloc_pages_current+0x107/0x210 [ 1337.696389] __page_cache_alloc+0x2bd/0x450 [ 1337.700700] ? kasan_check_read+0x11/0x20 [ 1337.704854] filemap_fault+0xfeb/0x1f00 [ 1337.708821] ? lock_downgrade+0x880/0x880 [ 1337.712967] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1337.717632] ? lock_acquire+0x16f/0x3f0 [ 1337.721598] ? ext4_filemap_fault+0x7b/0xaf [ 1337.726032] ext4_filemap_fault+0x83/0xaf [ 1337.730184] __do_fault+0x111/0x480 [ 1337.733806] __handle_mm_fault+0x2d78/0x3f80 [ 1337.738209] ? copy_page_range+0x2030/0x2030 [ 1337.742627] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1337.747300] handle_mm_fault+0x1b5/0x690 [ 1337.751355] __do_page_fault+0x62a/0xe90 [ 1337.755412] ? vmalloc_fault+0x740/0x740 [ 1337.759474] ? trace_hardirqs_off_caller+0x65/0x220 [ 1337.764480] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1337.769399] ? page_fault+0x8/0x30 [ 1337.772933] do_page_fault+0x71/0x57d [ 1337.776723] ? page_fault+0x8/0x30 [ 1337.780264] page_fault+0x1e/0x30 [ 1337.783705] RIP: 0033:0x45b153 [ 1337.786898] Code: Bad RIP value. [ 1337.790250] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1337.795614] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1337.802881] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1337.810145] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1337.817404] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1337.824672] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1337.831957] warn_alloc_show_mem: 1 callbacks suppressed [ 1337.831967] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1337.831968] Mem-Info: [ 1337.831997] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1337.831997] active_file:12 inactive_file:12 isolated_file:0 [ 1337.831997] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1337.831997] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1337.831997] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1337.831997] free:10883 free_pcp:183 free_cma:0 [ 1337.837330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1337.837338] Call Trace: [ 1337.844529] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1337.846929] dump_stack+0x197/0x210 [ 1337.880069] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1337.889416] warn_alloc.cold+0x7b/0x173 [ 1337.891972] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1337.919468] ? zone_watermark_ok_safe+0x260/0x260 [ 1337.923063] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1337.948942] ? __cpuset_node_allowed+0x136/0x540 [ 1337.952893] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1337.979036] ? __isolate_free_page+0x4c0/0x4c0 [ 1337.983842] lowmem_reserve[]: 0 0 1 1 1 [ 1337.988861] ? wake_all_kswapds+0x14d/0x300 [ 1337.993593] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1338.022579] __alloc_pages_slowpath+0x2214/0x2870 [ 1338.027127] lowmem_reserve[]: 0 0 0 0 0 [ 1338.031113] ? warn_alloc+0x110/0x110 [ 1338.035391] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1338.061155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1338.065984] lowmem_reserve[]: 0 0 0 0 0 [ 1338.069952] ? should_fail+0x14d/0x85c [ 1338.073731] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1338.101575] ? __isolate_free_page+0x4c0/0x4c0 [ 1338.107101] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1338.111078] __alloc_pages_nodemask+0x617/0x750 [ 1338.114930] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1338.127077] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1338.131630] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1338.145686] cache_grow_begin+0x91/0x8c0 [ 1338.150338] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1338.160992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1338.165986] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1338.181510] ? __cpuset_node_allowed+0x136/0x540 [ 1338.185566] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1338.194457] fallback_alloc+0x1fd/0x2d0 [ 1338.199982] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1338.208553] ____cache_alloc_node+0x1be/0x1e0 [ 1338.213279] 269 total pagecache pages [ 1338.222105] kmem_cache_alloc_node+0xe3/0x710 [ 1338.226073] 0 pages in swap cache [ 1338.234640] __alloc_skb+0xd5/0x5f0 [ 1338.239106] Swap cache stats: add 0, delete 0, find 0/0 [ 1338.239113] Free swap = 0kB [ 1338.242908] ? skb_trim+0x190/0x190 [ 1338.247372] Total swap = 0kB [ 1338.247381] 1965979 pages RAM [ 1338.250824] ? check_preemption_disabled+0x48/0x290 [ 1338.254422] 0 pages HighMem/MovableOnly [ 1338.259782] ? lock_acquire+0x16f/0x3f0 [ 1338.259802] new_skb+0x28/0x1d0 [ 1338.262800] 341726 pages reserved [ 1338.266417] aoecmd_cfg+0x1b5/0x640 [ 1338.269410] 0 pages cma reserved [ 1338.272506] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1338.277558] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1338.281484] ? timer_reduce+0x11d0/0x11d0 [ 1338.285500] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1338.288705] discover_timer+0x4e/0x60 [ 1338.292127] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1338.295746] call_timer_fn+0x18d/0x720 [ 1338.336721] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1338.341404] ? process_timeout+0x40/0x40 [ 1338.345476] ? run_timer_softirq+0x644/0x16a0 [ 1338.349972] ? trace_hardirqs_on+0x67/0x220 [ 1338.354308] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1338.358978] run_timer_softirq+0x64f/0x16a0 [ 1338.363300] ? add_timer+0xbe0/0xbe0 [ 1338.367014] ? kvm_clock_read+0x18/0x30 [ 1338.370983] ? check_preemption_disabled+0x48/0x290 [ 1338.375997] ? sched_clock+0x2e/0x50 [ 1338.379715] __do_softirq+0x25c/0x921 [ 1338.383505] ? preempt_schedule_common+0x4f/0xe0 [ 1338.388260] ? takeover_tasklets+0x7b0/0x7b0 [ 1338.392659] run_ksoftirqd+0x8e/0x110 [ 1338.396450] smpboot_thread_fn+0x6a3/0xa30 [ 1338.400683] ? sort_range+0x30/0x30 [ 1338.404303] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1338.409847] ? __kthread_parkme+0xfb/0x1b0 [ 1338.414092] kthread+0x354/0x420 [ 1338.417460] ? sort_range+0x30/0x30 [ 1338.421102] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1338.426686] ret_from_fork+0x24/0x30 [ 1338.430444] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1338.430507] aoe: skb alloc failure [ 1338.437811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1338.437816] Call Trace: [ 1338.437822] [ 1338.437842] dump_stack+0x197/0x210 [ 1338.437859] warn_alloc.cold+0x7b/0x173 [ 1338.441426] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1338.450768] ? zone_watermark_ok_safe+0x260/0x260 [ 1338.453322] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1338.455477] ? __cpuset_node_allowed+0x136/0x540 [ 1338.487768] ? __isolate_free_page+0x4c0/0x4c0 [ 1338.492359] ? wake_all_kswapds+0x14d/0x300 [ 1338.496687] __alloc_pages_slowpath+0x2214/0x2870 [ 1338.501547] ? warn_alloc+0x110/0x110 [ 1338.505350] ? __lock_acquire+0x6ee/0x49c0 [ 1338.509596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1338.515132] ? should_fail+0x14d/0x85c [ 1338.519023] ? __isolate_free_page+0x4c0/0x4c0 [ 1338.523619] __alloc_pages_nodemask+0x617/0x750 [ 1338.528323] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1338.533342] ? find_held_lock+0x35/0x130 [ 1338.537406] cache_grow_begin+0x91/0x8c0 [ 1338.541467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1338.547033] ? __cpuset_node_allowed+0x136/0x540 [ 1338.551791] fallback_alloc+0x1fd/0x2d0 [ 1338.555766] ____cache_alloc_node+0x1be/0x1e0 [ 1338.560292] kmem_cache_alloc_node+0xe3/0x710 [ 1338.564786] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1338.569030] __alloc_skb+0xd5/0x5f0 [ 1338.572657] ? skb_trim+0x190/0x190 [ 1338.576295] ? kasan_check_read+0x11/0x20 [ 1338.580468] ndisc_alloc_skb+0x13c/0x340 [ 1338.584542] ndisc_send_rs+0x35f/0x6e0 [ 1338.588450] addrconf_rs_timer+0x30f/0x680 [ 1338.592814] ? ipv6_get_lladdr+0x490/0x490 [ 1338.597080] call_timer_fn+0x18d/0x720 [ 1338.600972] ? ipv6_get_lladdr+0x490/0x490 [ 1338.605205] ? process_timeout+0x40/0x40 [ 1338.609266] ? run_timer_softirq+0x644/0x16a0 [ 1338.613773] ? trace_hardirqs_on+0x67/0x220 [ 1338.618117] ? ipv6_get_lladdr+0x490/0x490 [ 1338.622364] run_timer_softirq+0x64f/0x16a0 [ 1338.626708] ? add_timer+0xbe0/0xbe0 [ 1338.630421] ? __lock_is_held+0xb6/0x140 [ 1338.634502] __do_softirq+0x25c/0x921 [ 1338.638304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1338.643962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1338.649507] irq_exit+0x180/0x1d0 [ 1338.652980] smp_apic_timer_interrupt+0x13b/0x550 [ 1338.657831] apic_timer_interrupt+0xf/0x20 [ 1338.662061] [ 1338.664298] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1338.668884] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1338.687800] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1338.695517] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1338.702791] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1338.710066] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1338.717349] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1338.724623] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1338.731929] percpu_ref_put_many+0x37/0x190 [ 1338.736247] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1338.741345] mem_cgroup_iter+0x907/0xac0 [ 1338.745405] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1338.750157] ? kasan_check_read+0x11/0x20 [ 1338.754299] ? mem_cgroup_protected+0x44/0x380 [ 1338.758875] ? vmpressure+0x19f/0x350 [ 1338.762670] shrink_node+0x402/0x1450 [ 1338.766478] ? shrink_node_memcg+0x13f0/0x13f0 [ 1338.771061] ? kvm_clock_read+0x18/0x30 [ 1338.775037] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1338.780045] ? ktime_get+0x202/0x2f0 [ 1338.783759] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1338.789289] ? __cpuset_node_allowed+0x136/0x540 [ 1338.794050] do_try_to_free_pages+0x3cb/0x11c0 [ 1338.798639] ? shrink_node+0x1450/0x1450 [ 1338.802706] try_to_free_pages+0x2ee/0x7f0 [ 1338.806939] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1338.811793] __alloc_pages_slowpath+0x990/0x2870 [ 1338.816568] ? warn_alloc+0x110/0x110 [ 1338.820364] ? __lock_is_held+0xb6/0x140 [ 1338.824418] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1338.829947] ? should_fail+0x14d/0x85c [ 1338.833834] ? __might_sleep+0x95/0x190 [ 1338.837807] __alloc_pages_nodemask+0x617/0x750 [ 1338.842471] ? kasan_check_read+0x11/0x20 [ 1338.846618] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1338.851623] ? find_get_entry+0x3e1/0xa00 [ 1338.855781] ? find_get_pages_contig+0xed0/0xed0 [ 1338.860531] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1338.866064] alloc_pages_current+0x107/0x210 [ 1338.870468] __page_cache_alloc+0x2bd/0x450 [ 1338.874784] ? kasan_check_read+0x11/0x20 [ 1338.878929] filemap_fault+0xfeb/0x1f00 [ 1338.882896] ? lock_downgrade+0x880/0x880 [ 1338.887042] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1338.891706] ? lock_acquire+0x16f/0x3f0 [ 1338.895673] ? ext4_filemap_fault+0x7b/0xaf [ 1338.899995] ext4_filemap_fault+0x83/0xaf [ 1338.904138] __do_fault+0x111/0x480 [ 1338.907760] __handle_mm_fault+0x2d78/0x3f80 [ 1338.912167] ? copy_page_range+0x2030/0x2030 [ 1338.916581] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1338.921243] handle_mm_fault+0x1b5/0x690 [ 1338.925301] __do_page_fault+0x62a/0xe90 [ 1338.929362] ? vmalloc_fault+0x740/0x740 [ 1338.933414] ? trace_hardirqs_off_caller+0x65/0x220 [ 1338.938424] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1338.943346] ? page_fault+0x8/0x30 [ 1338.946881] do_page_fault+0x71/0x57d [ 1338.950683] ? page_fault+0x8/0x30 [ 1338.954218] page_fault+0x1e/0x30 [ 1338.957672] RIP: 0033:0x45b153 [ 1338.960865] Code: Bad RIP value. [ 1338.964228] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1338.969579] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1338.976838] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1338.984098] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1338.991358] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1338.998631] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1339.005914] warn_alloc_show_mem: 1 callbacks suppressed [ 1339.005924] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1339.005926] Mem-Info: [ 1339.005954] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1339.005954] active_file:12 inactive_file:12 isolated_file:0 [ 1339.005954] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1339.005954] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1339.005954] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1339.005954] free:10883 free_pcp:183 free_cma:0 [ 1339.011290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1339.011297] Call Trace: [ 1339.018504] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1339.020909] dump_stack+0x197/0x210 [ 1339.054064] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1339.063418] warn_alloc.cold+0x7b/0x173 [ 1339.065987] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1339.093499] ? zone_watermark_ok_safe+0x260/0x260 [ 1339.097108] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1339.122957] ? __cpuset_node_allowed+0x136/0x540 [ 1339.126917] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1339.153037] ? __isolate_free_page+0x4c0/0x4c0 [ 1339.157855] lowmem_reserve[]: 0 0 1 1 1 [ 1339.162874] ? wake_all_kswapds+0x14d/0x300 [ 1339.167600] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1339.167628] lowmem_reserve[]: 0 0 0 0 0 [ 1339.196429] __alloc_pages_slowpath+0x2214/0x2870 [ 1339.200978] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1339.204959] ? warn_alloc+0x110/0x110 [ 1339.209244] lowmem_reserve[]: 0 0 0 0 0 [ 1339.235005] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1339.238954] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1339.243799] ? should_fail+0x14d/0x85c [ 1339.271638] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1339.275450] ? __isolate_free_page+0x4c0/0x4c0 [ 1339.279402] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1339.284953] __alloc_pages_nodemask+0x617/0x750 [ 1339.297064] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1339.300957] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1339.314973] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1339.319556] cache_grow_begin+0x91/0x8c0 [ 1339.330184] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1339.334837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1339.350333] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1339.355332] ? __cpuset_node_allowed+0x136/0x540 [ 1339.364148] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1339.364156] 269 total pagecache pages [ 1339.368205] fallback_alloc+0x1fd/0x2d0 [ 1339.376761] 0 pages in swap cache [ 1339.382286] ____cache_alloc_node+0x1be/0x1e0 [ 1339.391096] Swap cache stats: add 0, delete 0, find 0/0 [ 1339.395851] kmem_cache_alloc_node+0xe3/0x710 [ 1339.404411] Free swap = 0kB [ 1339.404421] Total swap = 0kB [ 1339.408235] __alloc_skb+0xd5/0x5f0 [ 1339.412189] 1965979 pages RAM [ 1339.415635] ? skb_trim+0x190/0x190 [ 1339.420113] 0 pages HighMem/MovableOnly [ 1339.425485] ? check_preemption_disabled+0x48/0x290 [ 1339.429948] 341726 pages reserved [ 1339.429956] 0 pages cma reserved [ 1339.432968] ? lock_acquire+0x16f/0x3f0 [ 1339.436021] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1339.439584] new_skb+0x28/0x1d0 [ 1339.442726] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1339.446288] aoecmd_cfg+0x1b5/0x640 [ 1339.450236] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1339.455241] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1339.498570] ? timer_reduce+0x11d0/0x11d0 [ 1339.502722] discover_timer+0x4e/0x60 [ 1339.506514] call_timer_fn+0x18d/0x720 [ 1339.510403] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1339.515064] ? process_timeout+0x40/0x40 [ 1339.519114] ? run_timer_softirq+0x644/0x16a0 [ 1339.523603] ? trace_hardirqs_on+0x67/0x220 [ 1339.527918] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1339.532579] run_timer_softirq+0x64f/0x16a0 [ 1339.536906] ? add_timer+0xbe0/0xbe0 [ 1339.540609] ? kvm_clock_read+0x18/0x30 [ 1339.544593] ? check_preemption_disabled+0x48/0x290 [ 1339.549601] ? sched_clock+0x2e/0x50 [ 1339.553315] __do_softirq+0x25c/0x921 [ 1339.557105] ? preempt_schedule_common+0x4f/0xe0 [ 1339.561872] ? takeover_tasklets+0x7b0/0x7b0 [ 1339.566270] run_ksoftirqd+0x8e/0x110 [ 1339.570063] smpboot_thread_fn+0x6a3/0xa30 [ 1339.574296] ? sort_range+0x30/0x30 [ 1339.577916] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1339.583463] ? __kthread_parkme+0xfb/0x1b0 [ 1339.587726] kthread+0x354/0x420 [ 1339.591093] ? sort_range+0x30/0x30 [ 1339.594718] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1339.600251] ret_from_fork+0x24/0x30 [ 1339.603974] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1339.604033] aoe: skb alloc failure [ 1339.611334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1339.611339] Call Trace: [ 1339.611345] [ 1339.611361] dump_stack+0x197/0x210 [ 1339.611379] warn_alloc.cold+0x7b/0x173 [ 1339.614945] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1339.624246] ? zone_watermark_ok_safe+0x260/0x260 [ 1339.626804] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1339.628944] ? __cpuset_node_allowed+0x136/0x540 [ 1339.661167] ? __isolate_free_page+0x4c0/0x4c0 [ 1339.665740] ? wake_all_kswapds+0x14d/0x300 [ 1339.670057] __alloc_pages_slowpath+0x2214/0x2870 [ 1339.674907] ? warn_alloc+0x110/0x110 [ 1339.678697] ? __lock_acquire+0x6ee/0x49c0 [ 1339.682922] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1339.688446] ? should_fail+0x14d/0x85c [ 1339.692326] ? __isolate_free_page+0x4c0/0x4c0 [ 1339.696907] __alloc_pages_nodemask+0x617/0x750 [ 1339.701574] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1339.706586] ? find_held_lock+0x35/0x130 [ 1339.710640] cache_grow_begin+0x91/0x8c0 [ 1339.714690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1339.720216] ? __cpuset_node_allowed+0x136/0x540 [ 1339.724967] fallback_alloc+0x1fd/0x2d0 [ 1339.728935] ____cache_alloc_node+0x1be/0x1e0 [ 1339.733435] kmem_cache_alloc_node+0xe3/0x710 [ 1339.737921] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1339.742151] __alloc_skb+0xd5/0x5f0 [ 1339.745778] ? skb_trim+0x190/0x190 [ 1339.749395] ? kasan_check_read+0x11/0x20 [ 1339.753545] ndisc_alloc_skb+0x13c/0x340 [ 1339.757602] ndisc_send_rs+0x35f/0x6e0 [ 1339.761491] addrconf_rs_timer+0x30f/0x680 [ 1339.765727] ? ipv6_get_lladdr+0x490/0x490 [ 1339.769962] call_timer_fn+0x18d/0x720 [ 1339.773927] ? ipv6_get_lladdr+0x490/0x490 [ 1339.778150] ? process_timeout+0x40/0x40 [ 1339.782200] ? run_timer_softirq+0x644/0x16a0 [ 1339.786690] ? trace_hardirqs_on+0x67/0x220 [ 1339.791007] ? ipv6_get_lladdr+0x490/0x490 [ 1339.795252] run_timer_softirq+0x64f/0x16a0 [ 1339.799599] ? add_timer+0xbe0/0xbe0 [ 1339.803321] ? __lock_is_held+0xb6/0x140 [ 1339.807392] __do_softirq+0x25c/0x921 [ 1339.811207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1339.816744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1339.822298] irq_exit+0x180/0x1d0 [ 1339.825752] smp_apic_timer_interrupt+0x13b/0x550 [ 1339.830595] apic_timer_interrupt+0xf/0x20 [ 1339.834818] [ 1339.837050] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1339.841630] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1339.860521] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1339.868219] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1339.875480] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1339.882737] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1339.889995] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1339.897253] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1339.904541] percpu_ref_put_many+0x37/0x190 [ 1339.908873] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1339.913966] mem_cgroup_iter+0x907/0xac0 [ 1339.918024] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1339.922772] ? kasan_check_read+0x11/0x20 [ 1339.926909] ? mem_cgroup_protected+0x44/0x380 [ 1339.931497] ? vmpressure+0x19f/0x350 [ 1339.935293] shrink_node+0x402/0x1450 [ 1339.939099] ? shrink_node_memcg+0x13f0/0x13f0 [ 1339.943671] ? kvm_clock_read+0x18/0x30 [ 1339.947645] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1339.952653] ? ktime_get+0x202/0x2f0 [ 1339.956359] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1339.961893] ? __cpuset_node_allowed+0x136/0x540 [ 1339.966645] do_try_to_free_pages+0x3cb/0x11c0 [ 1339.971240] ? shrink_node+0x1450/0x1450 [ 1339.975303] try_to_free_pages+0x2ee/0x7f0 [ 1339.979544] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1339.984400] __alloc_pages_slowpath+0x990/0x2870 [ 1339.989165] ? warn_alloc+0x110/0x110 [ 1339.992956] ? __lock_is_held+0xb6/0x140 [ 1339.997013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1340.002542] ? should_fail+0x14d/0x85c [ 1340.006427] ? __might_sleep+0x95/0x190 [ 1340.010403] __alloc_pages_nodemask+0x617/0x750 [ 1340.015064] ? kasan_check_read+0x11/0x20 [ 1340.019205] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1340.024222] ? find_get_entry+0x3e1/0xa00 [ 1340.028373] ? find_get_pages_contig+0xed0/0xed0 [ 1340.033124] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1340.038657] alloc_pages_current+0x107/0x210 [ 1340.043058] __page_cache_alloc+0x2bd/0x450 [ 1340.047373] ? kasan_check_read+0x11/0x20 [ 1340.051521] filemap_fault+0xfeb/0x1f00 [ 1340.055490] ? lock_downgrade+0x880/0x880 [ 1340.059640] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1340.064302] ? lock_acquire+0x16f/0x3f0 [ 1340.068270] ? ext4_filemap_fault+0x7b/0xaf [ 1340.072591] ext4_filemap_fault+0x83/0xaf [ 1340.076741] __do_fault+0x111/0x480 [ 1340.080361] __handle_mm_fault+0x2d78/0x3f80 [ 1340.084785] ? copy_page_range+0x2030/0x2030 [ 1340.089200] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1340.093863] handle_mm_fault+0x1b5/0x690 [ 1340.097928] __do_page_fault+0x62a/0xe90 [ 1340.101986] ? vmalloc_fault+0x740/0x740 [ 1340.106039] ? trace_hardirqs_off_caller+0x65/0x220 [ 1340.111056] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1340.115984] ? page_fault+0x8/0x30 [ 1340.119522] do_page_fault+0x71/0x57d [ 1340.123314] ? page_fault+0x8/0x30 [ 1340.126864] page_fault+0x1e/0x30 [ 1340.130330] RIP: 0033:0x45b153 [ 1340.133540] Code: Bad RIP value. [ 1340.136896] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1340.142253] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1340.149526] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1340.156788] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1340.164051] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1340.171320] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1340.178599] warn_alloc_show_mem: 1 callbacks suppressed [ 1340.178608] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1340.178610] Mem-Info: [ 1340.178639] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1340.178639] active_file:12 inactive_file:12 isolated_file:0 [ 1340.178639] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1340.178639] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1340.178639] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1340.178639] free:10883 free_pcp:183 free_cma:0 [ 1340.183977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1340.191159] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1340.193547] Call Trace: [ 1340.226686] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1340.236017] dump_stack+0x197/0x210 [ 1340.263482] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1340.266065] warn_alloc.cold+0x7b/0x173 [ 1340.291883] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1340.295514] ? zone_watermark_ok_safe+0x260/0x260 [ 1340.321601] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1340.325570] ? __cpuset_node_allowed+0x136/0x540 [ 1340.330824] lowmem_reserve[]: 0 0 1 1 1 [ 1340.335663] ? __isolate_free_page+0x4c0/0x4c0 [ 1340.364461] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1340.369230] ? wake_all_kswapds+0x14d/0x300 [ 1340.373168] lowmem_reserve[]: 0 0 0 0 0 [ 1340.377767] __alloc_pages_slowpath+0x2214/0x2870 [ 1340.403499] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1340.407833] ? warn_alloc+0x110/0x110 [ 1340.411763] lowmem_reserve[]: 0 0 0 0 0 [ 1340.416608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1340.444444] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1340.448264] ? should_fail+0x14d/0x85c [ 1340.452222] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1340.457776] ? __isolate_free_page+0x4c0/0x4c0 [ 1340.469881] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1340.473773] __alloc_pages_nodemask+0x617/0x750 [ 1340.487787] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1340.492384] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1340.503032] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1340.507724] cache_grow_begin+0x91/0x8c0 [ 1340.523209] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1340.528214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1340.537025] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1340.541081] ? __cpuset_node_allowed+0x136/0x540 [ 1340.549637] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1340.549645] 269 total pagecache pages [ 1340.555169] fallback_alloc+0x1fd/0x2d0 [ 1340.563983] 0 pages in swap cache [ 1340.568725] ____cache_alloc_node+0x1be/0x1e0 [ 1340.577280] Swap cache stats: add 0, delete 0, find 0/0 [ 1340.577289] Free swap = 0kB [ 1340.581100] kmem_cache_alloc_node+0xe3/0x710 [ 1340.585036] Total swap = 0kB [ 1340.588486] __alloc_skb+0xd5/0x5f0 [ 1340.592959] 1965979 pages RAM [ 1340.598312] ? skb_trim+0x190/0x190 [ 1340.601312] 0 pages HighMem/MovableOnly [ 1340.605799] ? check_preemption_disabled+0x48/0x290 [ 1340.608790] 341726 pages reserved [ 1340.608797] 0 pages cma reserved [ 1340.612418] ? lock_acquire+0x16f/0x3f0 [ 1340.615550] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1340.619116] new_skb+0x28/0x1d0 [ 1340.623111] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1340.628067] aoecmd_cfg+0x1b5/0x640 [ 1340.631491] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1340.634847] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1340.671418] ? timer_reduce+0x11d0/0x11d0 [ 1340.675573] discover_timer+0x4e/0x60 [ 1340.679377] call_timer_fn+0x18d/0x720 [ 1340.683255] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1340.687919] ? process_timeout+0x40/0x40 [ 1340.691969] ? run_timer_softirq+0x644/0x16a0 [ 1340.696463] ? trace_hardirqs_on+0x67/0x220 [ 1340.700795] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1340.705452] run_timer_softirq+0x64f/0x16a0 [ 1340.709774] ? add_timer+0xbe0/0xbe0 [ 1340.713476] ? kvm_clock_read+0x18/0x30 [ 1340.717445] ? check_preemption_disabled+0x48/0x290 [ 1340.722478] ? sched_clock+0x2e/0x50 [ 1340.726207] __do_softirq+0x25c/0x921 [ 1340.729999] ? preempt_schedule_common+0x4f/0xe0 [ 1340.734766] ? takeover_tasklets+0x7b0/0x7b0 [ 1340.739165] run_ksoftirqd+0x8e/0x110 [ 1340.742965] smpboot_thread_fn+0x6a3/0xa30 [ 1340.747192] ? sort_range+0x30/0x30 [ 1340.750817] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1340.756345] ? __kthread_parkme+0xfb/0x1b0 [ 1340.760575] kthread+0x354/0x420 [ 1340.763930] ? sort_range+0x30/0x30 [ 1340.767552] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1340.773078] ret_from_fork+0x24/0x30 [ 1340.776800] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1340.776882] aoe: skb alloc failure [ 1340.784170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1340.787746] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1340.797049] Call Trace: [ 1340.807340] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1340.809905] [ 1340.816874] dump_stack+0x197/0x210 [ 1340.820497] warn_alloc.cold+0x7b/0x173 [ 1340.824463] ? zone_watermark_ok_safe+0x260/0x260 [ 1340.829307] ? __cpuset_node_allowed+0x136/0x540 [ 1340.834062] ? __isolate_free_page+0x4c0/0x4c0 [ 1340.838640] ? wake_all_kswapds+0x14d/0x300 [ 1340.842988] __alloc_pages_slowpath+0x2214/0x2870 [ 1340.847839] ? warn_alloc+0x110/0x110 [ 1340.851632] ? __lock_acquire+0x6ee/0x49c0 [ 1340.855864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1340.861393] ? should_fail+0x14d/0x85c [ 1340.865277] ? __isolate_free_page+0x4c0/0x4c0 [ 1340.869862] __alloc_pages_nodemask+0x617/0x750 [ 1340.874529] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1340.879543] ? find_held_lock+0x35/0x130 [ 1340.883601] cache_grow_begin+0x91/0x8c0 [ 1340.887673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1340.893220] ? __cpuset_node_allowed+0x136/0x540 [ 1340.897983] fallback_alloc+0x1fd/0x2d0 [ 1340.901972] ____cache_alloc_node+0x1be/0x1e0 [ 1340.906467] kmem_cache_alloc_node+0xe3/0x710 [ 1340.910972] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1340.915210] __alloc_skb+0xd5/0x5f0 [ 1340.918837] ? skb_trim+0x190/0x190 [ 1340.922457] ? kasan_check_read+0x11/0x20 [ 1340.926606] ndisc_alloc_skb+0x13c/0x340 [ 1340.930667] ndisc_send_rs+0x35f/0x6e0 [ 1340.934551] addrconf_rs_timer+0x30f/0x680 [ 1340.938778] ? ipv6_get_lladdr+0x490/0x490 [ 1340.943029] call_timer_fn+0x18d/0x720 [ 1340.946906] ? ipv6_get_lladdr+0x490/0x490 [ 1340.951137] ? process_timeout+0x40/0x40 [ 1340.955210] ? run_timer_softirq+0x644/0x16a0 [ 1340.959697] ? trace_hardirqs_on+0x67/0x220 [ 1340.964013] ? ipv6_get_lladdr+0x490/0x490 [ 1340.968236] run_timer_softirq+0x64f/0x16a0 [ 1340.972564] ? add_timer+0xbe0/0xbe0 [ 1340.976283] ? __lock_is_held+0xb6/0x140 [ 1340.980358] __do_softirq+0x25c/0x921 [ 1340.984162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1340.989689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1340.995227] irq_exit+0x180/0x1d0 [ 1340.998671] smp_apic_timer_interrupt+0x13b/0x550 [ 1341.003512] apic_timer_interrupt+0xf/0x20 [ 1341.007743] [ 1341.009974] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1341.014563] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1341.033456] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1341.041155] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1341.048416] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1341.055688] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1341.062946] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1341.070214] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1341.077511] percpu_ref_put_many+0x37/0x190 [ 1341.081824] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1341.086919] mem_cgroup_iter+0x907/0xac0 [ 1341.090973] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1341.095727] ? kasan_check_read+0x11/0x20 [ 1341.099874] ? mem_cgroup_protected+0x44/0x380 [ 1341.104451] ? vmpressure+0x19f/0x350 [ 1341.108262] shrink_node+0x402/0x1450 [ 1341.112073] ? shrink_node_memcg+0x13f0/0x13f0 [ 1341.116659] ? kvm_clock_read+0x18/0x30 [ 1341.120629] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1341.125636] ? ktime_get+0x202/0x2f0 [ 1341.129343] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1341.134869] ? __cpuset_node_allowed+0x136/0x540 [ 1341.139641] do_try_to_free_pages+0x3cb/0x11c0 [ 1341.144226] ? shrink_node+0x1450/0x1450 [ 1341.148289] try_to_free_pages+0x2ee/0x7f0 [ 1341.152522] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1341.157373] __alloc_pages_slowpath+0x990/0x2870 [ 1341.162134] ? warn_alloc+0x110/0x110 [ 1341.165929] ? __lock_is_held+0xb6/0x140 [ 1341.169984] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1341.175513] ? should_fail+0x14d/0x85c [ 1341.179399] ? __might_sleep+0x95/0x190 [ 1341.183370] __alloc_pages_nodemask+0x617/0x750 [ 1341.188030] ? kasan_check_read+0x11/0x20 [ 1341.192173] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1341.197177] ? find_get_entry+0x3e1/0xa00 [ 1341.201323] ? find_get_pages_contig+0xed0/0xed0 [ 1341.206086] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1341.211633] alloc_pages_current+0x107/0x210 [ 1341.216042] __page_cache_alloc+0x2bd/0x450 [ 1341.220367] ? kasan_check_read+0x11/0x20 [ 1341.224638] filemap_fault+0xfeb/0x1f00 [ 1341.228612] ? lock_downgrade+0x880/0x880 [ 1341.232762] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1341.237430] ? lock_acquire+0x16f/0x3f0 [ 1341.241401] ? ext4_filemap_fault+0x7b/0xaf [ 1341.245722] ext4_filemap_fault+0x83/0xaf [ 1341.249863] __do_fault+0x111/0x480 [ 1341.253483] __handle_mm_fault+0x2d78/0x3f80 [ 1341.257887] ? copy_page_range+0x2030/0x2030 [ 1341.262297] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1341.266959] handle_mm_fault+0x1b5/0x690 [ 1341.271019] __do_page_fault+0x62a/0xe90 [ 1341.275075] ? vmalloc_fault+0x740/0x740 [ 1341.279125] ? trace_hardirqs_off_caller+0x65/0x220 [ 1341.284133] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1341.289051] ? page_fault+0x8/0x30 [ 1341.292587] do_page_fault+0x71/0x57d [ 1341.296377] ? page_fault+0x8/0x30 [ 1341.299910] page_fault+0x1e/0x30 [ 1341.303351] RIP: 0033:0x45b153 [ 1341.306544] Code: Bad RIP value. [ 1341.309895] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1341.315334] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1341.322590] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1341.329848] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1341.337129] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1341.344387] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1341.351660] warn_alloc_show_mem: 1 callbacks suppressed [ 1341.351670] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1341.351672] Mem-Info: [ 1341.351699] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1341.351699] active_file:12 inactive_file:12 isolated_file:0 [ 1341.351699] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1341.351699] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1341.351699] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1341.351699] free:10883 free_pcp:183 free_cma:0 [ 1341.357041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1341.364242] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1341.366640] Call Trace: [ 1341.399786] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1341.409134] dump_stack+0x197/0x210 [ 1341.436621] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1341.439312] warn_alloc.cold+0x7b/0x173 [ 1341.465159] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1341.468799] ? zone_watermark_ok_safe+0x260/0x260 [ 1341.494889] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1341.498895] ? __cpuset_node_allowed+0x136/0x540 [ 1341.503889] lowmem_reserve[]: 0 0 1 1 1 [ 1341.508736] ? __isolate_free_page+0x4c0/0x4c0 [ 1341.537713] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1341.542487] ? wake_all_kswapds+0x14d/0x300 [ 1341.546444] lowmem_reserve[]: 0 0 0 0 0 [ 1341.551039] __alloc_pages_slowpath+0x2214/0x2870 [ 1341.576797] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1341.581152] ? warn_alloc+0x110/0x110 [ 1341.585103] lowmem_reserve[]: 0 0 0 0 0 [ 1341.589955] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1341.617867] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1341.621689] ? should_fail+0x14d/0x85c [ 1341.625639] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1341.631178] ? __isolate_free_page+0x4c0/0x4c0 [ 1341.643411] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1341.647322] __alloc_pages_nodemask+0x617/0x750 [ 1341.661344] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1341.665927] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1341.676576] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1341.681247] cache_grow_begin+0x91/0x8c0 [ 1341.696750] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1341.701771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1341.710595] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1341.714641] ? __cpuset_node_allowed+0x136/0x540 [ 1341.723203] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1341.723211] 269 total pagecache pages [ 1341.728740] fallback_alloc+0x1fd/0x2d0 [ 1341.737557] 0 pages in swap cache [ 1341.742300] ____cache_alloc_node+0x1be/0x1e0 [ 1341.750859] Swap cache stats: add 0, delete 0, find 0/0 [ 1341.750867] Free swap = 0kB [ 1341.754671] kmem_cache_alloc_node+0xe3/0x710 [ 1341.758893] Total swap = 0kB [ 1341.762345] __alloc_skb+0xd5/0x5f0 [ 1341.766823] 1965979 pages RAM [ 1341.772174] ? skb_trim+0x190/0x190 [ 1341.775166] 0 pages HighMem/MovableOnly [ 1341.779671] ? check_preemption_disabled+0x48/0x290 [ 1341.782659] 341726 pages reserved [ 1341.782666] 0 pages cma reserved [ 1341.786284] ? lock_acquire+0x16f/0x3f0 [ 1341.789419] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1341.793000] new_skb+0x28/0x1d0 [ 1341.797022] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1341.801959] aoecmd_cfg+0x1b5/0x640 [ 1341.805397] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1341.808759] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1341.845399] ? timer_reduce+0x11d0/0x11d0 [ 1341.849568] discover_timer+0x4e/0x60 [ 1341.853366] call_timer_fn+0x18d/0x720 [ 1341.857266] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1341.861939] ? process_timeout+0x40/0x40 [ 1341.865989] ? run_timer_softirq+0x644/0x16a0 [ 1341.870481] ? trace_hardirqs_on+0x67/0x220 [ 1341.874802] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1341.879478] run_timer_softirq+0x64f/0x16a0 [ 1341.883813] ? add_timer+0xbe0/0xbe0 [ 1341.887521] ? kvm_clock_read+0x18/0x30 [ 1341.891487] ? check_preemption_disabled+0x48/0x290 [ 1341.896495] ? sched_clock+0x2e/0x50 [ 1341.900212] __do_softirq+0x25c/0x921 [ 1341.904004] ? preempt_schedule_common+0x4f/0xe0 [ 1341.908759] ? takeover_tasklets+0x7b0/0x7b0 [ 1341.913160] run_ksoftirqd+0x8e/0x110 [ 1341.916964] smpboot_thread_fn+0x6a3/0xa30 [ 1341.921195] ? sort_range+0x30/0x30 [ 1341.924815] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1341.930343] ? __kthread_parkme+0xfb/0x1b0 [ 1341.934572] kthread+0x354/0x420 [ 1341.937946] ? sort_range+0x30/0x30 [ 1341.941568] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1341.947098] ret_from_fork+0x24/0x30 [ 1341.950822] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1341.950883] aoe: skb alloc failure [ 1341.958184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1341.958188] Call Trace: [ 1341.958194] [ 1341.958210] dump_stack+0x197/0x210 [ 1341.958227] warn_alloc.cold+0x7b/0x173 [ 1341.961893] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1341.971243] ? zone_watermark_ok_safe+0x260/0x260 [ 1341.973853] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1341.976113] ? __cpuset_node_allowed+0x136/0x540 [ 1342.008468] ? __isolate_free_page+0x4c0/0x4c0 [ 1342.013069] ? wake_all_kswapds+0x14d/0x300 [ 1342.017477] __alloc_pages_slowpath+0x2214/0x2870 [ 1342.022328] ? warn_alloc+0x110/0x110 [ 1342.026123] ? __lock_acquire+0x6ee/0x49c0 [ 1342.030365] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1342.035905] ? should_fail+0x14d/0x85c [ 1342.039788] ? __isolate_free_page+0x4c0/0x4c0 [ 1342.044372] __alloc_pages_nodemask+0x617/0x750 [ 1342.049101] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1342.054120] ? find_held_lock+0x35/0x130 [ 1342.058179] cache_grow_begin+0x91/0x8c0 [ 1342.062237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1342.067766] ? __cpuset_node_allowed+0x136/0x540 [ 1342.072517] fallback_alloc+0x1fd/0x2d0 [ 1342.076501] ____cache_alloc_node+0x1be/0x1e0 [ 1342.081004] kmem_cache_alloc_node+0xe3/0x710 [ 1342.085515] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1342.089753] __alloc_skb+0xd5/0x5f0 [ 1342.093373] ? skb_trim+0x190/0x190 [ 1342.097008] ? kasan_check_read+0x11/0x20 [ 1342.102043] ndisc_alloc_skb+0x13c/0x340 [ 1342.106102] ndisc_send_rs+0x35f/0x6e0 [ 1342.109987] addrconf_rs_timer+0x30f/0x680 [ 1342.114233] ? ipv6_get_lladdr+0x490/0x490 [ 1342.118471] call_timer_fn+0x18d/0x720 [ 1342.122362] ? ipv6_get_lladdr+0x490/0x490 [ 1342.126589] ? process_timeout+0x40/0x40 [ 1342.130666] ? run_timer_softirq+0x644/0x16a0 [ 1342.135156] ? trace_hardirqs_on+0x67/0x220 [ 1342.139475] ? ipv6_get_lladdr+0x490/0x490 [ 1342.143701] run_timer_softirq+0x64f/0x16a0 [ 1342.148024] ? add_timer+0xbe0/0xbe0 [ 1342.151734] ? __lock_is_held+0xb6/0x140 [ 1342.155800] __do_softirq+0x25c/0x921 [ 1342.159605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1342.165306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1342.170861] irq_exit+0x180/0x1d0 [ 1342.174308] smp_apic_timer_interrupt+0x13b/0x550 [ 1342.179146] apic_timer_interrupt+0xf/0x20 [ 1342.183367] [ 1342.185598] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1342.190177] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1342.209069] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1342.216766] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1342.224025] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1342.231301] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1342.238562] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1342.245819] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1342.253104] percpu_ref_put_many+0x37/0x190 [ 1342.257421] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1342.262513] mem_cgroup_iter+0x907/0xac0 [ 1342.266569] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1342.271319] ? kasan_check_read+0x11/0x20 [ 1342.275456] ? mem_cgroup_protected+0x44/0x380 [ 1342.280030] ? vmpressure+0x19f/0x350 [ 1342.283852] shrink_node+0x402/0x1450 [ 1342.287680] ? shrink_node_memcg+0x13f0/0x13f0 [ 1342.292279] ? kvm_clock_read+0x18/0x30 [ 1342.296534] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1342.302438] ? ktime_get+0x202/0x2f0 [ 1342.306166] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1342.311703] ? __cpuset_node_allowed+0x136/0x540 [ 1342.316481] do_try_to_free_pages+0x3cb/0x11c0 [ 1342.321074] ? shrink_node+0x1450/0x1450 [ 1342.325142] try_to_free_pages+0x2ee/0x7f0 [ 1342.329389] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1342.334246] __alloc_pages_slowpath+0x990/0x2870 [ 1342.339099] ? warn_alloc+0x110/0x110 [ 1342.342899] ? __lock_is_held+0xb6/0x140 [ 1342.346960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1342.353642] ? should_fail+0x14d/0x85c [ 1342.357535] ? __might_sleep+0x95/0x190 [ 1342.361865] __alloc_pages_nodemask+0x617/0x750 [ 1342.366532] ? kasan_check_read+0x11/0x20 [ 1342.370674] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1342.375692] ? find_get_entry+0x3e1/0xa00 [ 1342.379839] ? find_get_pages_contig+0xed0/0xed0 [ 1342.384615] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1342.390183] alloc_pages_current+0x107/0x210 [ 1342.394606] __page_cache_alloc+0x2bd/0x450 [ 1342.398945] ? kasan_check_read+0x11/0x20 [ 1342.403097] filemap_fault+0xfeb/0x1f00 [ 1342.407075] ? lock_downgrade+0x880/0x880 [ 1342.411231] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1342.415901] ? lock_acquire+0x16f/0x3f0 [ 1342.419869] ? ext4_filemap_fault+0x7b/0xaf [ 1342.424192] ext4_filemap_fault+0x83/0xaf [ 1342.428350] __do_fault+0x111/0x480 [ 1342.431979] __handle_mm_fault+0x2d78/0x3f80 [ 1342.436384] ? copy_page_range+0x2030/0x2030 [ 1342.440858] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1342.445569] handle_mm_fault+0x1b5/0x690 [ 1342.449669] __do_page_fault+0x62a/0xe90 [ 1342.453733] ? vmalloc_fault+0x740/0x740 [ 1342.457792] ? trace_hardirqs_off_caller+0x65/0x220 [ 1342.462812] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1342.467748] ? page_fault+0x8/0x30 [ 1342.471307] do_page_fault+0x71/0x57d [ 1342.475099] ? page_fault+0x8/0x30 [ 1342.478632] page_fault+0x1e/0x30 [ 1342.482087] RIP: 0033:0x45b153 [ 1342.485302] Code: Bad RIP value. [ 1342.488656] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1342.494020] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1342.501279] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1342.508549] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1342.515818] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1342.523094] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1342.530392] warn_alloc_show_mem: 1 callbacks suppressed [ 1342.530402] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1342.530404] Mem-Info: [ 1342.530433] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1342.530433] active_file:12 inactive_file:12 isolated_file:0 [ 1342.530433] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1342.530433] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1342.530433] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1342.530433] free:10883 free_pcp:183 free_cma:0 [ 1342.535780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1342.542974] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1342.545381] Call Trace: [ 1342.578554] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1342.587919] dump_stack+0x197/0x210 [ 1342.615908] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1342.618558] warn_alloc.cold+0x7b/0x173 [ 1342.644468] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1342.648113] ? zone_watermark_ok_safe+0x260/0x260 [ 1342.674441] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1342.678424] ? __cpuset_node_allowed+0x136/0x540 [ 1342.683415] lowmem_reserve[]: 0 0 1 1 1 [ 1342.688259] ? __isolate_free_page+0x4c0/0x4c0 [ 1342.717028] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1342.721798] ? wake_all_kswapds+0x14d/0x300 [ 1342.726695] lowmem_reserve[]: 0 0 0 0 0 [ 1342.731302] __alloc_pages_slowpath+0x2214/0x2870 [ 1342.757037] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1342.761375] ? warn_alloc+0x110/0x110 [ 1342.765297] lowmem_reserve[]: 0 0 0 0 0 [ 1342.770141] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1342.797958] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1342.801755] ? should_fail+0x14d/0x85c [ 1342.805713] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1342.811267] ? __isolate_free_page+0x4c0/0x4c0 [ 1342.823379] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1342.827273] __alloc_pages_nodemask+0x617/0x750 [ 1342.841292] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1342.845876] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1342.856511] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1342.861178] cache_grow_begin+0x91/0x8c0 [ 1342.876674] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1342.881692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1342.890518] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1342.894565] ? __cpuset_node_allowed+0x136/0x540 [ 1342.903290] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1342.903298] 269 total pagecache pages [ 1342.908826] fallback_alloc+0x1fd/0x2d0 [ 1342.917652] 0 pages in swap cache [ 1342.922404] ____cache_alloc_node+0x1be/0x1e0 [ 1342.930954] Swap cache stats: add 0, delete 0, find 0/0 [ 1342.934746] kmem_cache_alloc_node+0xe3/0x710 [ 1342.938694] Free swap = 0kB [ 1342.942161] __alloc_skb+0xd5/0x5f0 [ 1342.947073] Total swap = 0kB [ 1342.952437] ? skb_trim+0x190/0x190 [ 1342.956910] 1965979 pages RAM [ 1342.959930] ? check_preemption_disabled+0x48/0x290 [ 1342.963532] 0 pages HighMem/MovableOnly [ 1342.963539] 341726 pages reserved [ 1342.966569] ? lock_acquire+0x16f/0x3f0 [ 1342.970167] 0 pages cma reserved [ 1342.970230] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1342.973279] new_skb+0x28/0x1d0 [ 1342.978341] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1342.982255] aoecmd_cfg+0x1b5/0x640 [ 1342.985685] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1342.989655] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1343.025586] ? timer_reduce+0x11d0/0x11d0 [ 1343.029730] discover_timer+0x4e/0x60 [ 1343.033522] call_timer_fn+0x18d/0x720 [ 1343.037403] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1343.042086] ? process_timeout+0x40/0x40 [ 1343.046147] ? run_timer_softirq+0x644/0x16a0 [ 1343.050649] ? trace_hardirqs_on+0x67/0x220 [ 1343.054988] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1343.059671] run_timer_softirq+0x64f/0x16a0 [ 1343.064000] ? add_timer+0xbe0/0xbe0 [ 1343.067709] ? kvm_clock_read+0x18/0x30 [ 1343.071696] ? check_preemption_disabled+0x48/0x290 [ 1343.076714] ? sched_clock+0x2e/0x50 [ 1343.080432] __do_softirq+0x25c/0x921 [ 1343.084226] ? preempt_schedule_common+0x4f/0xe0 [ 1343.088979] ? takeover_tasklets+0x7b0/0x7b0 [ 1343.093378] run_ksoftirqd+0x8e/0x110 [ 1343.097169] smpboot_thread_fn+0x6a3/0xa30 [ 1343.101399] ? sort_range+0x30/0x30 [ 1343.105019] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1343.110547] ? __kthread_parkme+0xfb/0x1b0 [ 1343.114774] kthread+0x354/0x420 [ 1343.118130] ? sort_range+0x30/0x30 [ 1343.121749] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1343.127278] ret_from_fork+0x24/0x30 [ 1343.131001] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1343.131067] aoe: skb alloc failure [ 1343.138364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1343.138369] Call Trace: [ 1343.138375] [ 1343.138391] dump_stack+0x197/0x210 [ 1343.138408] warn_alloc.cold+0x7b/0x173 [ 1343.141952] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1343.151282] ? zone_watermark_ok_safe+0x260/0x260 [ 1343.153838] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1343.155981] ? __cpuset_node_allowed+0x136/0x540 [ 1343.188214] ? __isolate_free_page+0x4c0/0x4c0 [ 1343.192786] ? wake_all_kswapds+0x14d/0x300 [ 1343.197117] __alloc_pages_slowpath+0x2214/0x2870 [ 1343.201968] ? warn_alloc+0x110/0x110 [ 1343.205760] ? __lock_acquire+0x6ee/0x49c0 [ 1343.209985] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1343.215521] ? should_fail+0x14d/0x85c [ 1343.219672] ? __isolate_free_page+0x4c0/0x4c0 [ 1343.224256] __alloc_pages_nodemask+0x617/0x750 [ 1343.228920] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1343.233932] ? find_held_lock+0x35/0x130 [ 1343.237991] cache_grow_begin+0x91/0x8c0 [ 1343.242044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1343.247569] ? __cpuset_node_allowed+0x136/0x540 [ 1343.252325] fallback_alloc+0x1fd/0x2d0 [ 1343.256296] ____cache_alloc_node+0x1be/0x1e0 [ 1343.260796] kmem_cache_alloc_node+0xe3/0x710 [ 1343.265292] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1343.269522] __alloc_skb+0xd5/0x5f0 [ 1343.273138] ? skb_trim+0x190/0x190 [ 1343.276756] ? kasan_check_read+0x11/0x20 [ 1343.280903] ndisc_alloc_skb+0x13c/0x340 [ 1343.284959] ndisc_send_rs+0x35f/0x6e0 [ 1343.288840] addrconf_rs_timer+0x30f/0x680 [ 1343.293072] ? ipv6_get_lladdr+0x490/0x490 [ 1343.297304] call_timer_fn+0x18d/0x720 [ 1343.301186] ? ipv6_get_lladdr+0x490/0x490 [ 1343.305409] ? process_timeout+0x40/0x40 [ 1343.309458] ? run_timer_softirq+0x644/0x16a0 [ 1343.313946] ? trace_hardirqs_on+0x67/0x220 [ 1343.318272] ? ipv6_get_lladdr+0x490/0x490 [ 1343.322498] run_timer_softirq+0x64f/0x16a0 [ 1343.326834] ? add_timer+0xbe0/0xbe0 [ 1343.330542] ? __lock_is_held+0xb6/0x140 [ 1343.334613] __do_softirq+0x25c/0x921 [ 1343.338402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1343.343929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1343.349465] irq_exit+0x180/0x1d0 [ 1343.352909] smp_apic_timer_interrupt+0x13b/0x550 [ 1343.357764] apic_timer_interrupt+0xf/0x20 [ 1343.361985] [ 1343.364224] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1343.368813] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1343.387723] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1343.395433] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1343.402694] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1343.409983] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1343.417251] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1343.424509] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1343.431815] percpu_ref_put_many+0x37/0x190 [ 1343.436130] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1343.441229] mem_cgroup_iter+0x907/0xac0 [ 1343.445287] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1343.450034] ? kasan_check_read+0x11/0x20 [ 1343.454171] ? mem_cgroup_protected+0x44/0x380 [ 1343.458758] ? vmpressure+0x19f/0x350 [ 1343.462553] shrink_node+0x402/0x1450 [ 1343.466361] ? shrink_node_memcg+0x13f0/0x13f0 [ 1343.470932] ? kvm_clock_read+0x18/0x30 [ 1343.474898] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1343.479904] ? ktime_get+0x202/0x2f0 [ 1343.483609] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1343.489135] ? __cpuset_node_allowed+0x136/0x540 [ 1343.493886] do_try_to_free_pages+0x3cb/0x11c0 [ 1343.498473] ? shrink_node+0x1450/0x1450 [ 1343.502531] try_to_free_pages+0x2ee/0x7f0 [ 1343.506762] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1343.511611] __alloc_pages_slowpath+0x990/0x2870 [ 1343.516375] ? warn_alloc+0x110/0x110 [ 1343.520168] ? __lock_is_held+0xb6/0x140 [ 1343.524221] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1343.529749] ? should_fail+0x14d/0x85c [ 1343.533656] ? __might_sleep+0x95/0x190 [ 1343.537643] __alloc_pages_nodemask+0x617/0x750 [ 1343.542318] ? kasan_check_read+0x11/0x20 [ 1343.546467] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1343.551476] ? find_get_entry+0x3e1/0xa00 [ 1343.555626] ? find_get_pages_contig+0xed0/0xed0 [ 1343.560372] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1343.565913] alloc_pages_current+0x107/0x210 [ 1343.570335] __page_cache_alloc+0x2bd/0x450 [ 1343.574666] ? kasan_check_read+0x11/0x20 [ 1343.578822] filemap_fault+0xfeb/0x1f00 [ 1343.582792] ? lock_downgrade+0x880/0x880 [ 1343.586939] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1343.591601] ? lock_acquire+0x16f/0x3f0 [ 1343.595584] ? ext4_filemap_fault+0x7b/0xaf [ 1343.599910] ext4_filemap_fault+0x83/0xaf [ 1343.604064] __do_fault+0x111/0x480 [ 1343.607704] __handle_mm_fault+0x2d78/0x3f80 [ 1343.612111] ? copy_page_range+0x2030/0x2030 [ 1343.616529] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1343.621197] handle_mm_fault+0x1b5/0x690 [ 1343.625262] __do_page_fault+0x62a/0xe90 [ 1343.629327] ? vmalloc_fault+0x740/0x740 [ 1343.633385] ? trace_hardirqs_off_caller+0x65/0x220 [ 1343.638390] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1343.643311] ? page_fault+0x8/0x30 [ 1343.646846] do_page_fault+0x71/0x57d [ 1343.650641] ? page_fault+0x8/0x30 [ 1343.654175] page_fault+0x1e/0x30 [ 1343.657615] RIP: 0033:0x45b153 [ 1343.660811] Code: Bad RIP value. [ 1343.664164] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1343.669515] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1343.676783] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1343.684051] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1343.691308] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1343.698568] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1343.705843] warn_alloc_show_mem: 1 callbacks suppressed [ 1343.705853] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1343.705855] Mem-Info: [ 1343.705883] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1343.705883] active_file:12 inactive_file:12 isolated_file:0 [ 1343.705883] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1343.705883] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1343.705883] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1343.705883] free:10883 free_pcp:183 free_cma:0 [ 1343.711221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1343.718403] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1343.720810] Call Trace: [ 1343.753964] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1343.763316] dump_stack+0x197/0x210 [ 1343.790780] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1343.793368] warn_alloc.cold+0x7b/0x173 [ 1343.819179] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1343.822808] ? zone_watermark_ok_safe+0x260/0x260 [ 1343.848885] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1343.852853] ? __cpuset_node_allowed+0x136/0x540 [ 1343.857839] lowmem_reserve[]: 0 0 1 1 1 [ 1343.862687] ? __isolate_free_page+0x4c0/0x4c0 [ 1343.891453] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1343.896205] ? wake_all_kswapds+0x14d/0x300 [ 1343.900150] lowmem_reserve[]: 0 0 0 0 0 [ 1343.904730] __alloc_pages_slowpath+0x2214/0x2870 [ 1343.930459] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1343.934790] ? warn_alloc+0x110/0x110 [ 1343.938714] lowmem_reserve[]: 0 0 0 0 0 [ 1343.943553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1343.971368] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1343.975171] ? should_fail+0x14d/0x85c [ 1343.979116] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1343.984646] ? __isolate_free_page+0x4c0/0x4c0 [ 1343.996757] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1344.000645] __alloc_pages_nodemask+0x617/0x750 [ 1344.014664] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1344.019242] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1344.029874] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1344.034536] cache_grow_begin+0x91/0x8c0 [ 1344.050020] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1344.050033] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1344.055035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1344.063849] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1344.063857] 269 total pagecache pages [ 1344.067907] ? __cpuset_node_allowed+0x136/0x540 [ 1344.076466] 0 pages in swap cache [ 1344.085296] fallback_alloc+0x1fd/0x2d0 [ 1344.090818] Swap cache stats: add 0, delete 0, find 0/0 [ 1344.099383] ____cache_alloc_node+0x1be/0x1e0 [ 1344.103763] Free swap = 0kB [ 1344.108508] kmem_cache_alloc_node+0xe3/0x710 [ 1344.111934] Total swap = 0kB [ 1344.115911] __alloc_skb+0xd5/0x5f0 [ 1344.121268] 1965979 pages RAM [ 1344.125769] ? skb_trim+0x190/0x190 [ 1344.128764] 0 pages HighMem/MovableOnly [ 1344.133265] ? check_preemption_disabled+0x48/0x290 [ 1344.136257] 341726 pages reserved [ 1344.136266] 0 pages cma reserved [ 1344.139901] ? lock_acquire+0x16f/0x3f0 [ 1344.143101] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1344.146607] new_skb+0x28/0x1d0 [ 1344.146623] aoecmd_cfg+0x1b5/0x640 [ 1344.150624] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1344.155588] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1344.159014] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1344.162376] ? timer_reduce+0x11d0/0x11d0 [ 1344.203021] discover_timer+0x4e/0x60 [ 1344.206822] call_timer_fn+0x18d/0x720 [ 1344.210711] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1344.215380] ? process_timeout+0x40/0x40 [ 1344.219432] ? run_timer_softirq+0x644/0x16a0 [ 1344.223918] ? trace_hardirqs_on+0x67/0x220 [ 1344.228234] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1344.232902] run_timer_softirq+0x64f/0x16a0 [ 1344.237220] ? add_timer+0xbe0/0xbe0 [ 1344.240924] ? kvm_clock_read+0x18/0x30 [ 1344.244889] ? check_preemption_disabled+0x48/0x290 [ 1344.249896] ? sched_clock+0x2e/0x50 [ 1344.253613] __do_softirq+0x25c/0x921 [ 1344.257406] ? preempt_schedule_common+0x4f/0xe0 [ 1344.262161] ? takeover_tasklets+0x7b0/0x7b0 [ 1344.267254] run_ksoftirqd+0x8e/0x110 [ 1344.271043] smpboot_thread_fn+0x6a3/0xa30 [ 1344.275280] ? sort_range+0x30/0x30 [ 1344.278899] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1344.284426] ? __kthread_parkme+0xfb/0x1b0 [ 1344.288656] kthread+0x354/0x420 [ 1344.292012] ? sort_range+0x30/0x30 [ 1344.295629] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1344.301157] ret_from_fork+0x24/0x30 [ 1344.304873] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1344.304926] aoe: skb alloc failure [ 1344.312239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1344.315808] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1344.325094] Call Trace: [ 1344.335416] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1344.337992] [ 1344.344954] dump_stack+0x197/0x210 [ 1344.348573] warn_alloc.cold+0x7b/0x173 [ 1344.352540] ? zone_watermark_ok_safe+0x260/0x260 [ 1344.357373] ? __cpuset_node_allowed+0x136/0x540 [ 1344.362134] ? __isolate_free_page+0x4c0/0x4c0 [ 1344.366709] ? wake_all_kswapds+0x14d/0x300 [ 1344.371028] __alloc_pages_slowpath+0x2214/0x2870 [ 1344.375881] ? warn_alloc+0x110/0x110 [ 1344.379673] ? __lock_acquire+0x6ee/0x49c0 [ 1344.383899] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1344.389425] ? should_fail+0x14d/0x85c [ 1344.393307] ? __isolate_free_page+0x4c0/0x4c0 [ 1344.397890] __alloc_pages_nodemask+0x617/0x750 [ 1344.402567] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1344.407582] ? find_held_lock+0x35/0x130 [ 1344.411636] cache_grow_begin+0x91/0x8c0 [ 1344.415710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1344.421246] ? __cpuset_node_allowed+0x136/0x540 [ 1344.426016] fallback_alloc+0x1fd/0x2d0 [ 1344.429996] ____cache_alloc_node+0x1be/0x1e0 [ 1344.434492] kmem_cache_alloc_node+0xe3/0x710 [ 1344.438981] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1344.443214] __alloc_skb+0xd5/0x5f0 [ 1344.446850] ? skb_trim+0x190/0x190 [ 1344.450479] ? kasan_check_read+0x11/0x20 [ 1344.454656] ndisc_alloc_skb+0x13c/0x340 [ 1344.458728] ndisc_send_rs+0x35f/0x6e0 [ 1344.462636] addrconf_rs_timer+0x30f/0x680 [ 1344.466875] ? ipv6_get_lladdr+0x490/0x490 [ 1344.471115] call_timer_fn+0x18d/0x720 [ 1344.475001] ? ipv6_get_lladdr+0x490/0x490 [ 1344.479240] ? process_timeout+0x40/0x40 [ 1344.483297] ? run_timer_softirq+0x644/0x16a0 [ 1344.487795] ? trace_hardirqs_on+0x67/0x220 [ 1344.492128] ? ipv6_get_lladdr+0x490/0x490 [ 1344.496369] run_timer_softirq+0x64f/0x16a0 [ 1344.500692] ? add_timer+0xbe0/0xbe0 [ 1344.504399] ? __lock_is_held+0xb6/0x140 [ 1344.508462] __do_softirq+0x25c/0x921 [ 1344.512252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1344.517779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1344.523316] irq_exit+0x180/0x1d0 [ 1344.526762] smp_apic_timer_interrupt+0x13b/0x550 [ 1344.531599] apic_timer_interrupt+0xf/0x20 [ 1344.535820] [ 1344.538049] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1344.542636] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1344.561536] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1344.569235] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1344.576494] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1344.583765] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1344.591024] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1344.598313] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1344.605624] percpu_ref_put_many+0x37/0x190 [ 1344.609939] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1344.615036] mem_cgroup_iter+0x907/0xac0 [ 1344.619097] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1344.623845] ? kasan_check_read+0x11/0x20 [ 1344.627980] ? mem_cgroup_protected+0x44/0x380 [ 1344.632553] ? vmpressure+0x19f/0x350 [ 1344.636348] shrink_node+0x402/0x1450 [ 1344.640166] ? shrink_node_memcg+0x13f0/0x13f0 [ 1344.644737] ? kvm_clock_read+0x18/0x30 [ 1344.648713] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1344.653723] ? ktime_get+0x202/0x2f0 [ 1344.657435] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1344.662964] ? __cpuset_node_allowed+0x136/0x540 [ 1344.667726] do_try_to_free_pages+0x3cb/0x11c0 [ 1344.672311] ? shrink_node+0x1450/0x1450 [ 1344.676395] try_to_free_pages+0x2ee/0x7f0 [ 1344.680633] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1344.685502] __alloc_pages_slowpath+0x990/0x2870 [ 1344.690274] ? warn_alloc+0x110/0x110 [ 1344.694080] ? __lock_is_held+0xb6/0x140 [ 1344.698137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1344.703679] ? should_fail+0x14d/0x85c [ 1344.707577] ? __might_sleep+0x95/0x190 [ 1344.711560] __alloc_pages_nodemask+0x617/0x750 [ 1344.716231] ? kasan_check_read+0x11/0x20 [ 1344.720372] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1344.725380] ? find_get_entry+0x3e1/0xa00 [ 1344.729522] ? find_get_pages_contig+0xed0/0xed0 [ 1344.734268] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1344.739802] alloc_pages_current+0x107/0x210 [ 1344.744203] __page_cache_alloc+0x2bd/0x450 [ 1344.748600] ? kasan_check_read+0x11/0x20 [ 1344.752739] filemap_fault+0xfeb/0x1f00 [ 1344.756704] ? lock_downgrade+0x880/0x880 [ 1344.760849] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1344.765514] ? lock_acquire+0x16f/0x3f0 [ 1344.769489] ? ext4_filemap_fault+0x7b/0xaf [ 1344.773814] ext4_filemap_fault+0x83/0xaf [ 1344.777968] __do_fault+0x111/0x480 [ 1344.781598] __handle_mm_fault+0x2d78/0x3f80 [ 1344.786002] ? copy_page_range+0x2030/0x2030 [ 1344.790420] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1344.795082] handle_mm_fault+0x1b5/0x690 [ 1344.799137] __do_page_fault+0x62a/0xe90 [ 1344.803194] ? vmalloc_fault+0x740/0x740 [ 1344.807246] ? trace_hardirqs_off_caller+0x65/0x220 [ 1344.812269] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1344.817210] ? page_fault+0x8/0x30 [ 1344.820755] do_page_fault+0x71/0x57d [ 1344.824553] ? page_fault+0x8/0x30 [ 1344.828102] page_fault+0x1e/0x30 [ 1344.831546] RIP: 0033:0x45b153 [ 1344.834740] Code: Bad RIP value. [ 1344.838093] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1344.843464] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1344.850734] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1344.857995] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1344.865260] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1344.872522] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1344.879802] warn_alloc_show_mem: 1 callbacks suppressed [ 1344.879812] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1344.879814] Mem-Info: [ 1344.879843] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1344.879843] active_file:12 inactive_file:12 isolated_file:0 [ 1344.879843] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1344.879843] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1344.879843] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1344.879843] free:10883 free_pcp:183 free_cma:0 [ 1344.885192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1344.892385] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1344.894773] Call Trace: [ 1344.927996] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1344.937329] dump_stack+0x197/0x210 [ 1344.964803] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1344.967386] warn_alloc.cold+0x7b/0x173 [ 1344.993198] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1344.996831] ? zone_watermark_ok_safe+0x260/0x260 [ 1345.022909] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1345.026888] ? __cpuset_node_allowed+0x136/0x540 [ 1345.031875] lowmem_reserve[]: 0 0 1 1 1 [ 1345.036735] ? __isolate_free_page+0x4c0/0x4c0 [ 1345.065505] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1345.070258] ? wake_all_kswapds+0x14d/0x300 [ 1345.074197] lowmem_reserve[]: 0 0 0 0 0 [ 1345.078796] __alloc_pages_slowpath+0x2214/0x2870 [ 1345.104537] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1345.108879] ? warn_alloc+0x110/0x110 [ 1345.112813] lowmem_reserve[]: 0 0 0 0 0 [ 1345.117654] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1345.145481] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1345.149277] ? should_fail+0x14d/0x85c [ 1345.153221] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1345.158760] ? __isolate_free_page+0x4c0/0x4c0 [ 1345.170872] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1345.174768] __alloc_pages_nodemask+0x617/0x750 [ 1345.188785] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1345.193378] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1345.204042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1345.208721] cache_grow_begin+0x91/0x8c0 [ 1345.224234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1345.229247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1345.238063] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1345.242111] ? __cpuset_node_allowed+0x136/0x540 [ 1345.250662] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1345.256199] fallback_alloc+0x1fd/0x2d0 [ 1345.265007] 269 total pagecache pages [ 1345.269755] ____cache_alloc_node+0x1be/0x1e0 [ 1345.278306] 0 pages in swap cache [ 1345.282265] kmem_cache_alloc_node+0xe3/0x710 [ 1345.286041] Swap cache stats: add 0, delete 0, find 0/0 [ 1345.290543] __alloc_skb+0xd5/0x5f0 [ 1345.293964] Free swap = 0kB [ 1345.298448] ? skb_trim+0x190/0x190 [ 1345.303783] Total swap = 0kB [ 1345.303792] 1965979 pages RAM [ 1345.307408] ? check_preemption_disabled+0x48/0x290 [ 1345.310401] 0 pages HighMem/MovableOnly [ 1345.310409] 341726 pages reserved [ 1345.314024] ? lock_acquire+0x16f/0x3f0 [ 1345.317013] 0 pages cma reserved [ 1345.320111] new_skb+0x28/0x1d0 [ 1345.325153] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1345.329060] aoecmd_cfg+0x1b5/0x640 [ 1345.332540] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1345.336466] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1345.339814] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1345.343098] ? timer_reduce+0x11d0/0x11d0 [ 1345.376555] discover_timer+0x4e/0x60 [ 1345.380373] call_timer_fn+0x18d/0x720 [ 1345.384259] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1345.388927] ? process_timeout+0x40/0x40 [ 1345.392983] ? run_timer_softirq+0x644/0x16a0 [ 1345.397483] ? trace_hardirqs_on+0x67/0x220 [ 1345.401812] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1345.406477] run_timer_softirq+0x64f/0x16a0 [ 1345.410797] ? add_timer+0xbe0/0xbe0 [ 1345.414501] ? kvm_clock_read+0x18/0x30 [ 1345.418467] ? check_preemption_disabled+0x48/0x290 [ 1345.423471] ? sched_clock+0x2e/0x50 [ 1345.427185] __do_softirq+0x25c/0x921 [ 1345.430987] ? preempt_schedule_common+0x4f/0xe0 [ 1345.435743] ? takeover_tasklets+0x7b0/0x7b0 [ 1345.440155] run_ksoftirqd+0x8e/0x110 [ 1345.443965] smpboot_thread_fn+0x6a3/0xa30 [ 1345.448195] ? sort_range+0x30/0x30 [ 1345.451822] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1345.457358] ? __kthread_parkme+0xfb/0x1b0 [ 1345.461588] kthread+0x354/0x420 [ 1345.464947] ? sort_range+0x30/0x30 [ 1345.468569] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1345.474108] ret_from_fork+0x24/0x30 [ 1345.477835] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1345.477902] aoe: skb alloc failure [ 1345.485206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1345.485211] Call Trace: [ 1345.485217] [ 1345.485234] dump_stack+0x197/0x210 [ 1345.485251] warn_alloc.cold+0x7b/0x173 [ 1345.488796] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1345.498122] ? zone_watermark_ok_safe+0x260/0x260 [ 1345.500680] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1345.502833] ? __cpuset_node_allowed+0x136/0x540 [ 1345.535095] ? __isolate_free_page+0x4c0/0x4c0 [ 1345.539686] ? wake_all_kswapds+0x14d/0x300 [ 1345.544026] __alloc_pages_slowpath+0x2214/0x2870 [ 1345.548906] ? warn_alloc+0x110/0x110 [ 1345.552719] ? __lock_acquire+0x6ee/0x49c0 [ 1345.556954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1345.562486] ? should_fail+0x14d/0x85c [ 1345.566372] ? __isolate_free_page+0x4c0/0x4c0 [ 1345.570956] __alloc_pages_nodemask+0x617/0x750 [ 1345.575632] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1345.580645] ? find_held_lock+0x35/0x130 [ 1345.584722] cache_grow_begin+0x91/0x8c0 [ 1345.588791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1345.594445] ? __cpuset_node_allowed+0x136/0x540 [ 1345.599203] fallback_alloc+0x1fd/0x2d0 [ 1345.603172] ____cache_alloc_node+0x1be/0x1e0 [ 1345.607671] kmem_cache_alloc_node+0xe3/0x710 [ 1345.612157] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1345.616387] __alloc_skb+0xd5/0x5f0 [ 1345.620109] ? skb_trim+0x190/0x190 [ 1345.623725] ? kasan_check_read+0x11/0x20 [ 1345.627872] ndisc_alloc_skb+0x13c/0x340 [ 1345.631929] ndisc_send_rs+0x35f/0x6e0 [ 1345.635814] addrconf_rs_timer+0x30f/0x680 [ 1345.640044] ? ipv6_get_lladdr+0x490/0x490 [ 1345.644285] call_timer_fn+0x18d/0x720 [ 1345.648165] ? ipv6_get_lladdr+0x490/0x490 [ 1345.652389] ? process_timeout+0x40/0x40 [ 1345.656442] ? run_timer_softirq+0x644/0x16a0 [ 1345.660938] ? trace_hardirqs_on+0x67/0x220 [ 1345.665271] ? ipv6_get_lladdr+0x490/0x490 [ 1345.669500] run_timer_softirq+0x64f/0x16a0 [ 1345.673827] ? add_timer+0xbe0/0xbe0 [ 1345.677534] ? __lock_is_held+0xb6/0x140 [ 1345.681683] __do_softirq+0x25c/0x921 [ 1345.685476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1345.691003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1345.696541] irq_exit+0x180/0x1d0 [ 1345.699997] smp_apic_timer_interrupt+0x13b/0x550 [ 1345.704832] apic_timer_interrupt+0xf/0x20 [ 1345.709066] [ 1345.711294] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1345.715869] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1345.734758] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1345.742470] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1345.749732] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1345.757103] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1345.764374] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1345.771650] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1345.778960] percpu_ref_put_many+0x37/0x190 [ 1345.783280] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1345.788384] mem_cgroup_iter+0x907/0xac0 [ 1345.792443] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1345.797190] ? kasan_check_read+0x11/0x20 [ 1345.801327] ? mem_cgroup_protected+0x44/0x380 [ 1345.805897] ? vmpressure+0x19f/0x350 [ 1345.809699] shrink_node+0x402/0x1450 [ 1345.813504] ? shrink_node_memcg+0x13f0/0x13f0 [ 1345.818080] ? kvm_clock_read+0x18/0x30 [ 1345.822045] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1345.827052] ? ktime_get+0x202/0x2f0 [ 1345.830757] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1345.836287] ? __cpuset_node_allowed+0x136/0x540 [ 1345.841038] do_try_to_free_pages+0x3cb/0x11c0 [ 1345.845623] ? shrink_node+0x1450/0x1450 [ 1345.849695] try_to_free_pages+0x2ee/0x7f0 [ 1345.853930] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1345.858778] __alloc_pages_slowpath+0x990/0x2870 [ 1345.863540] ? warn_alloc+0x110/0x110 [ 1345.867331] ? __lock_is_held+0xb6/0x140 [ 1345.871384] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1345.876924] ? should_fail+0x14d/0x85c [ 1345.880818] ? __might_sleep+0x95/0x190 [ 1345.884796] __alloc_pages_nodemask+0x617/0x750 [ 1345.889466] ? kasan_check_read+0x11/0x20 [ 1345.893610] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1345.898635] ? find_get_entry+0x3e1/0xa00 [ 1345.902777] ? find_get_pages_contig+0xed0/0xed0 [ 1345.907544] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1345.913103] alloc_pages_current+0x107/0x210 [ 1345.917520] __page_cache_alloc+0x2bd/0x450 [ 1345.921854] ? kasan_check_read+0x11/0x20 [ 1345.926003] filemap_fault+0xfeb/0x1f00 [ 1345.929997] ? lock_downgrade+0x880/0x880 [ 1345.934167] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1345.938838] ? lock_acquire+0x16f/0x3f0 [ 1345.942806] ? ext4_filemap_fault+0x7b/0xaf [ 1345.947130] ext4_filemap_fault+0x83/0xaf [ 1345.951269] __do_fault+0x111/0x480 [ 1345.954889] __handle_mm_fault+0x2d78/0x3f80 [ 1345.959294] ? copy_page_range+0x2030/0x2030 [ 1345.963708] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1345.968370] handle_mm_fault+0x1b5/0x690 [ 1345.972434] __do_page_fault+0x62a/0xe90 [ 1345.976492] ? vmalloc_fault+0x740/0x740 [ 1345.980544] ? trace_hardirqs_off_caller+0x65/0x220 [ 1345.985552] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1345.990478] ? page_fault+0x8/0x30 [ 1345.994013] do_page_fault+0x71/0x57d [ 1345.997813] ? page_fault+0x8/0x30 [ 1346.001345] page_fault+0x1e/0x30 [ 1346.004797] RIP: 0033:0x45b153 [ 1346.008005] Code: Bad RIP value. [ 1346.011357] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1346.016711] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1346.023982] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1346.031239] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1346.038505] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1346.045773] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1346.053058] warn_alloc_show_mem: 1 callbacks suppressed [ 1346.053068] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1346.053070] Mem-Info: [ 1346.053098] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1346.053098] active_file:12 inactive_file:12 isolated_file:0 [ 1346.053098] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1346.053098] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1346.053098] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1346.053098] free:10883 free_pcp:183 free_cma:0 [ 1346.058449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1346.065647] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1346.068055] Call Trace: [ 1346.101206] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1346.110554] dump_stack+0x197/0x210 [ 1346.138034] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1346.140627] warn_alloc.cold+0x7b/0x173 [ 1346.166450] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1346.170092] ? zone_watermark_ok_safe+0x260/0x260 [ 1346.196189] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1346.200194] ? __cpuset_node_allowed+0x136/0x540 [ 1346.205188] lowmem_reserve[]: 0 0 1 1 1 [ 1346.210035] ? __isolate_free_page+0x4c0/0x4c0 [ 1346.238804] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1346.243567] ? wake_all_kswapds+0x14d/0x300 [ 1346.247508] lowmem_reserve[]: 0 0 0 0 0 [ 1346.252106] __alloc_pages_slowpath+0x2214/0x2870 [ 1346.277835] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1346.284430] ? warn_alloc+0x110/0x110 [ 1346.288361] lowmem_reserve[]: 0 0 0 0 0 [ 1346.293233] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1346.321237] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1346.325044] ? should_fail+0x14d/0x85c [ 1346.328988] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1346.334520] ? __isolate_free_page+0x4c0/0x4c0 [ 1346.346621] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1346.350525] __alloc_pages_nodemask+0x617/0x750 [ 1346.364549] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1346.369132] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1346.379762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1346.384442] cache_grow_begin+0x91/0x8c0 [ 1346.399933] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1346.399946] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1346.404949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1346.413765] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1346.417812] ? __cpuset_node_allowed+0x136/0x540 [ 1346.426370] 269 total pagecache pages [ 1346.435194] fallback_alloc+0x1fd/0x2d0 [ 1346.440711] 0 pages in swap cache [ 1346.449287] ____cache_alloc_node+0x1be/0x1e0 [ 1346.454028] Swap cache stats: add 0, delete 0, find 0/0 [ 1346.457841] kmem_cache_alloc_node+0xe3/0x710 [ 1346.461787] Free swap = 0kB [ 1346.465234] __alloc_skb+0xd5/0x5f0 [ 1346.469701] Total swap = 0kB [ 1346.475055] ? skb_trim+0x190/0x190 [ 1346.479523] 1965979 pages RAM [ 1346.482533] ? check_preemption_disabled+0x48/0x290 [ 1346.486129] 0 pages HighMem/MovableOnly [ 1346.489147] ? lock_acquire+0x16f/0x3f0 [ 1346.492759] 341726 pages reserved [ 1346.492766] 0 pages cma reserved [ 1346.495868] new_skb+0x28/0x1d0 [ 1346.500912] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1346.504824] aoecmd_cfg+0x1b5/0x640 [ 1346.504850] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1346.508861] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1346.512262] ? timer_reduce+0x11d0/0x11d0 [ 1346.515600] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1346.518878] discover_timer+0x4e/0x60 [ 1346.556122] call_timer_fn+0x18d/0x720 [ 1346.560005] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1346.564665] ? process_timeout+0x40/0x40 [ 1346.568717] ? run_timer_softirq+0x644/0x16a0 [ 1346.573219] ? trace_hardirqs_on+0x67/0x220 [ 1346.577547] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1346.582385] run_timer_softirq+0x64f/0x16a0 [ 1346.586705] ? add_timer+0xbe0/0xbe0 [ 1346.590409] ? kvm_clock_read+0x18/0x30 [ 1346.594394] ? check_preemption_disabled+0x48/0x290 [ 1346.599413] ? sched_clock+0x2e/0x50 [ 1346.603140] __do_softirq+0x25c/0x921 [ 1346.606956] ? preempt_schedule_common+0x4f/0xe0 [ 1346.611766] ? takeover_tasklets+0x7b0/0x7b0 [ 1346.616170] run_ksoftirqd+0x8e/0x110 [ 1346.619966] smpboot_thread_fn+0x6a3/0xa30 [ 1346.624200] ? sort_range+0x30/0x30 [ 1346.627821] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1346.633473] ? __kthread_parkme+0xfb/0x1b0 [ 1346.637710] kthread+0x354/0x420 [ 1346.641072] ? sort_range+0x30/0x30 [ 1346.644705] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1346.650240] ret_from_fork+0x24/0x30 [ 1346.653962] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1346.654029] aoe: skb alloc failure [ 1346.661325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1346.661330] Call Trace: [ 1346.661336] [ 1346.661353] dump_stack+0x197/0x210 [ 1346.661370] warn_alloc.cold+0x7b/0x173 [ 1346.664938] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1346.674242] ? zone_watermark_ok_safe+0x260/0x260 [ 1346.676798] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1346.678938] ? __cpuset_node_allowed+0x136/0x540 [ 1346.711165] ? __isolate_free_page+0x4c0/0x4c0 [ 1346.715741] ? wake_all_kswapds+0x14d/0x300 [ 1346.720059] __alloc_pages_slowpath+0x2214/0x2870 [ 1346.724914] ? warn_alloc+0x110/0x110 [ 1346.728713] ? __lock_acquire+0x6ee/0x49c0 [ 1346.732943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1346.738472] ? should_fail+0x14d/0x85c [ 1346.742365] ? __isolate_free_page+0x4c0/0x4c0 [ 1346.746945] __alloc_pages_nodemask+0x617/0x750 [ 1346.751608] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1346.756623] ? find_held_lock+0x35/0x130 [ 1346.760681] cache_grow_begin+0x91/0x8c0 [ 1346.764736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1346.770264] ? __cpuset_node_allowed+0x136/0x540 [ 1346.775015] fallback_alloc+0x1fd/0x2d0 [ 1346.778987] ____cache_alloc_node+0x1be/0x1e0 [ 1346.783478] kmem_cache_alloc_node+0xe3/0x710 [ 1346.787968] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1346.792211] __alloc_skb+0xd5/0x5f0 [ 1346.795830] ? skb_trim+0x190/0x190 [ 1346.799445] ? kasan_check_read+0x11/0x20 [ 1346.803596] ndisc_alloc_skb+0x13c/0x340 [ 1346.807652] ndisc_send_rs+0x35f/0x6e0 [ 1346.811538] addrconf_rs_timer+0x30f/0x680 [ 1346.815767] ? ipv6_get_lladdr+0x490/0x490 [ 1346.820000] call_timer_fn+0x18d/0x720 [ 1346.823878] ? ipv6_get_lladdr+0x490/0x490 [ 1346.828104] ? process_timeout+0x40/0x40 [ 1346.832166] ? run_timer_softirq+0x644/0x16a0 [ 1346.836653] ? trace_hardirqs_on+0x67/0x220 [ 1346.840969] ? ipv6_get_lladdr+0x490/0x490 [ 1346.845195] run_timer_softirq+0x64f/0x16a0 [ 1346.849534] ? add_timer+0xbe0/0xbe0 [ 1346.853259] ? __lock_is_held+0xb6/0x140 [ 1346.857337] __do_softirq+0x25c/0x921 [ 1346.861133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1346.866780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1346.872330] irq_exit+0x180/0x1d0 [ 1346.875791] smp_apic_timer_interrupt+0x13b/0x550 [ 1346.880635] apic_timer_interrupt+0xf/0x20 [ 1346.884859] [ 1346.887092] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1346.891668] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1346.910559] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1346.918257] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1346.925519] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1346.932781] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1346.940041] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1346.947304] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1346.954594] percpu_ref_put_many+0x37/0x190 [ 1346.958908] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1346.964015] mem_cgroup_iter+0x907/0xac0 [ 1346.968072] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1346.972821] ? kasan_check_read+0x11/0x20 [ 1346.977050] ? mem_cgroup_protected+0x44/0x380 [ 1346.981624] ? vmpressure+0x19f/0x350 [ 1346.985421] shrink_node+0x402/0x1450 [ 1346.989227] ? shrink_node_memcg+0x13f0/0x13f0 [ 1346.993814] ? kvm_clock_read+0x18/0x30 [ 1346.997809] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1347.002840] ? ktime_get+0x202/0x2f0 [ 1347.006557] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1347.012103] ? __cpuset_node_allowed+0x136/0x540 [ 1347.016863] do_try_to_free_pages+0x3cb/0x11c0 [ 1347.021460] ? shrink_node+0x1450/0x1450 [ 1347.025528] try_to_free_pages+0x2ee/0x7f0 [ 1347.029774] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1347.034627] __alloc_pages_slowpath+0x990/0x2870 [ 1347.039391] ? warn_alloc+0x110/0x110 [ 1347.043184] ? __lock_is_held+0xb6/0x140 [ 1347.047238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1347.052763] ? should_fail+0x14d/0x85c [ 1347.056649] ? __might_sleep+0x95/0x190 [ 1347.060708] __alloc_pages_nodemask+0x617/0x750 [ 1347.065370] ? kasan_check_read+0x11/0x20 [ 1347.069510] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1347.074516] ? find_get_entry+0x3e1/0xa00 [ 1347.078655] ? find_get_pages_contig+0xed0/0xed0 [ 1347.083486] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1347.089019] alloc_pages_current+0x107/0x210 [ 1347.093420] __page_cache_alloc+0x2bd/0x450 [ 1347.097730] ? kasan_check_read+0x11/0x20 [ 1347.101877] filemap_fault+0xfeb/0x1f00 [ 1347.105844] ? lock_downgrade+0x880/0x880 [ 1347.109991] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1347.114652] ? lock_acquire+0x16f/0x3f0 [ 1347.118627] ? ext4_filemap_fault+0x7b/0xaf [ 1347.122946] ext4_filemap_fault+0x83/0xaf [ 1347.127087] __do_fault+0x111/0x480 [ 1347.130705] __handle_mm_fault+0x2d78/0x3f80 [ 1347.135107] ? copy_page_range+0x2030/0x2030 [ 1347.139519] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1347.144183] handle_mm_fault+0x1b5/0x690 [ 1347.148239] __do_page_fault+0x62a/0xe90 [ 1347.152301] ? vmalloc_fault+0x740/0x740 [ 1347.156528] ? trace_hardirqs_off_caller+0x65/0x220 [ 1347.161535] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1347.166463] ? page_fault+0x8/0x30 [ 1347.170009] do_page_fault+0x71/0x57d [ 1347.173812] ? page_fault+0x8/0x30 [ 1347.177343] page_fault+0x1e/0x30 [ 1347.180784] RIP: 0033:0x45b153 [ 1347.183981] Code: Bad RIP value. [ 1347.187334] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1347.192687] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1347.199943] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1347.207201] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1347.214460] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1347.221716] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1347.228990] warn_alloc_show_mem: 1 callbacks suppressed [ 1347.229000] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1347.229002] Mem-Info: [ 1347.229030] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1347.229030] active_file:12 inactive_file:12 isolated_file:0 [ 1347.229030] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1347.229030] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1347.229030] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1347.229030] free:10883 free_pcp:183 free_cma:0 [ 1347.234468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1347.241651] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1347.244049] Call Trace: [ 1347.277190] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1347.286525] dump_stack+0x197/0x210 [ 1347.313988] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1347.316575] warn_alloc.cold+0x7b/0x173 [ 1347.342652] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1347.346280] ? zone_watermark_ok_safe+0x260/0x260 [ 1347.372370] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1347.376365] ? __cpuset_node_allowed+0x136/0x540 [ 1347.381352] lowmem_reserve[]: 0 0 1 1 1 [ 1347.386218] ? __isolate_free_page+0x4c0/0x4c0 [ 1347.414988] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1347.419742] ? wake_all_kswapds+0x14d/0x300 [ 1347.423681] lowmem_reserve[]: 0 0 0 0 0 [ 1347.428287] __alloc_pages_slowpath+0x2214/0x2870 [ 1347.454024] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1347.458363] ? warn_alloc+0x110/0x110 [ 1347.462295] lowmem_reserve[]: 0 0 0 0 0 [ 1347.467151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1347.494976] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1347.498771] ? should_fail+0x14d/0x85c [ 1347.502720] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1347.508272] ? __isolate_free_page+0x4c0/0x4c0 [ 1347.520364] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1347.524274] __alloc_pages_nodemask+0x617/0x750 [ 1347.538280] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1347.542860] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1347.553498] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1347.558166] cache_grow_begin+0x91/0x8c0 [ 1347.573651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1347.578653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1347.587479] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1347.591554] ? __cpuset_node_allowed+0x136/0x540 [ 1347.600113] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1347.605640] fallback_alloc+0x1fd/0x2d0 [ 1347.614446] 269 total pagecache pages [ 1347.619194] ____cache_alloc_node+0x1be/0x1e0 [ 1347.627754] 0 pages in swap cache [ 1347.631722] kmem_cache_alloc_node+0xe3/0x710 [ 1347.635497] Swap cache stats: add 0, delete 0, find 0/0 [ 1347.639985] __alloc_skb+0xd5/0x5f0 [ 1347.643410] Free swap = 0kB [ 1347.647895] ? skb_trim+0x190/0x190 [ 1347.653232] Total swap = 0kB [ 1347.656851] ? check_preemption_disabled+0x48/0x290 [ 1347.659847] 1965979 pages RAM [ 1347.663459] ? lock_acquire+0x16f/0x3f0 [ 1347.666448] 0 pages HighMem/MovableOnly [ 1347.671453] new_skb+0x28/0x1d0 [ 1347.674530] 341726 pages reserved [ 1347.674537] 0 pages cma reserved [ 1347.678499] aoecmd_cfg+0x1b5/0x640 [ 1347.682502] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1347.685719] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1347.685742] ? timer_reduce+0x11d0/0x11d0 [ 1347.689225] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1347.692539] discover_timer+0x4e/0x60 [ 1347.696147] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1347.702649] call_timer_fn+0x18d/0x720 [ 1347.733731] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1347.738406] ? process_timeout+0x40/0x40 [ 1347.742455] ? run_timer_softirq+0x644/0x16a0 [ 1347.746944] ? trace_hardirqs_on+0x67/0x220 [ 1347.751262] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1347.755922] run_timer_softirq+0x64f/0x16a0 [ 1347.760336] ? add_timer+0xbe0/0xbe0 [ 1347.764051] ? kvm_clock_read+0x18/0x30 [ 1347.768017] ? check_preemption_disabled+0x48/0x290 [ 1347.773023] ? sched_clock+0x2e/0x50 [ 1347.776738] __do_softirq+0x25c/0x921 [ 1347.780539] ? preempt_schedule_common+0x4f/0xe0 [ 1347.785297] ? takeover_tasklets+0x7b0/0x7b0 [ 1347.789695] run_ksoftirqd+0x8e/0x110 [ 1347.793496] smpboot_thread_fn+0x6a3/0xa30 [ 1347.797725] ? sort_range+0x30/0x30 [ 1347.801345] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1347.806872] ? __kthread_parkme+0xfb/0x1b0 [ 1347.811111] kthread+0x354/0x420 [ 1347.814478] ? sort_range+0x30/0x30 [ 1347.818094] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1347.823638] ret_from_fork+0x24/0x30 [ 1347.827365] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1347.827431] aoe: skb alloc failure [ 1347.834728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1347.834733] Call Trace: [ 1347.834739] [ 1347.834755] dump_stack+0x197/0x210 [ 1347.834777] warn_alloc.cold+0x7b/0x173 [ 1347.838315] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1347.847651] ? zone_watermark_ok_safe+0x260/0x260 [ 1347.850208] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1347.852349] ? __cpuset_node_allowed+0x136/0x540 [ 1347.884622] ? __isolate_free_page+0x4c0/0x4c0 [ 1347.889203] ? wake_all_kswapds+0x14d/0x300 [ 1347.893526] __alloc_pages_slowpath+0x2214/0x2870 [ 1347.898384] ? warn_alloc+0x110/0x110 [ 1347.902178] ? __lock_acquire+0x6ee/0x49c0 [ 1347.906405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1347.911952] ? should_fail+0x14d/0x85c [ 1347.915834] ? __isolate_free_page+0x4c0/0x4c0 [ 1347.920414] __alloc_pages_nodemask+0x617/0x750 [ 1347.925081] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1347.930122] ? find_held_lock+0x35/0x130 [ 1347.934196] cache_grow_begin+0x91/0x8c0 [ 1347.938284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1347.943830] ? __cpuset_node_allowed+0x136/0x540 [ 1347.948590] fallback_alloc+0x1fd/0x2d0 [ 1347.952568] ____cache_alloc_node+0x1be/0x1e0 [ 1347.957062] kmem_cache_alloc_node+0xe3/0x710 [ 1347.961556] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1347.965797] __alloc_skb+0xd5/0x5f0 [ 1347.969429] ? skb_trim+0x190/0x190 [ 1347.973046] ? kasan_check_read+0x11/0x20 [ 1347.977193] ndisc_alloc_skb+0x13c/0x340 [ 1347.981251] ndisc_send_rs+0x35f/0x6e0 [ 1347.985144] addrconf_rs_timer+0x30f/0x680 [ 1347.989374] ? ipv6_get_lladdr+0x490/0x490 [ 1347.993622] call_timer_fn+0x18d/0x720 [ 1347.997503] ? ipv6_get_lladdr+0x490/0x490 [ 1348.001739] ? process_timeout+0x40/0x40 [ 1348.005792] ? run_timer_softirq+0x644/0x16a0 [ 1348.010281] ? trace_hardirqs_on+0x67/0x220 [ 1348.014605] ? ipv6_get_lladdr+0x490/0x490 [ 1348.018839] run_timer_softirq+0x64f/0x16a0 [ 1348.023157] ? add_timer+0xbe0/0xbe0 [ 1348.026863] ? __lock_is_held+0xb6/0x140 [ 1348.030925] __do_softirq+0x25c/0x921 [ 1348.034715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1348.040241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1348.045782] irq_exit+0x180/0x1d0 [ 1348.049227] smp_apic_timer_interrupt+0x13b/0x550 [ 1348.054064] apic_timer_interrupt+0xf/0x20 [ 1348.058285] [ 1348.060512] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1348.065098] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1348.084004] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1348.091729] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1348.098995] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1348.106275] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1348.113552] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1348.120812] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1348.128109] percpu_ref_put_many+0x37/0x190 [ 1348.132423] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1348.137520] mem_cgroup_iter+0x907/0xac0 [ 1348.141590] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1348.146341] ? kasan_check_read+0x11/0x20 [ 1348.150485] ? mem_cgroup_protected+0x44/0x380 [ 1348.155069] ? vmpressure+0x19f/0x350 [ 1348.158864] shrink_node+0x402/0x1450 [ 1348.162680] ? shrink_node_memcg+0x13f0/0x13f0 [ 1348.167256] ? kvm_clock_read+0x18/0x30 [ 1348.171219] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1348.176226] ? ktime_get+0x202/0x2f0 [ 1348.179934] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1348.185472] ? __cpuset_node_allowed+0x136/0x540 [ 1348.190224] do_try_to_free_pages+0x3cb/0x11c0 [ 1348.194810] ? shrink_node+0x1450/0x1450 [ 1348.198874] try_to_free_pages+0x2ee/0x7f0 [ 1348.203105] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1348.207967] __alloc_pages_slowpath+0x990/0x2870 [ 1348.212740] ? warn_alloc+0x110/0x110 [ 1348.216533] ? __lock_is_held+0xb6/0x140 [ 1348.220590] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1348.226128] ? should_fail+0x14d/0x85c [ 1348.230016] ? __might_sleep+0x95/0x190 [ 1348.233989] __alloc_pages_nodemask+0x617/0x750 [ 1348.238650] ? kasan_check_read+0x11/0x20 [ 1348.242796] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1348.247839] ? find_get_entry+0x3e1/0xa00 [ 1348.251983] ? find_get_pages_contig+0xed0/0xed0 [ 1348.256734] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1348.262269] alloc_pages_current+0x107/0x210 [ 1348.266672] __page_cache_alloc+0x2bd/0x450 [ 1348.270990] ? kasan_check_read+0x11/0x20 [ 1348.275131] filemap_fault+0xfeb/0x1f00 [ 1348.279102] ? lock_downgrade+0x880/0x880 [ 1348.283250] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1348.287913] ? lock_acquire+0x16f/0x3f0 [ 1348.291885] ? ext4_filemap_fault+0x7b/0xaf [ 1348.296211] ext4_filemap_fault+0x83/0xaf [ 1348.300350] __do_fault+0x111/0x480 [ 1348.303974] __handle_mm_fault+0x2d78/0x3f80 [ 1348.308378] ? copy_page_range+0x2030/0x2030 [ 1348.312793] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1348.317459] handle_mm_fault+0x1b5/0x690 [ 1348.321516] __do_page_fault+0x62a/0xe90 [ 1348.325576] ? vmalloc_fault+0x740/0x740 [ 1348.329632] ? trace_hardirqs_off_caller+0x65/0x220 [ 1348.334638] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1348.339558] ? page_fault+0x8/0x30 [ 1348.343093] do_page_fault+0x71/0x57d [ 1348.346885] ? page_fault+0x8/0x30 [ 1348.350416] page_fault+0x1e/0x30 [ 1348.353861] RIP: 0033:0x45b153 [ 1348.357057] Code: Bad RIP value. [ 1348.360408] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1348.365761] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1348.373022] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1348.380283] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1348.387542] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1348.394811] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1348.402086] warn_alloc_show_mem: 1 callbacks suppressed [ 1348.402096] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1348.402098] Mem-Info: [ 1348.402128] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1348.402128] active_file:12 inactive_file:12 isolated_file:0 [ 1348.402128] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1348.402128] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1348.402128] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1348.402128] free:10883 free_pcp:183 free_cma:0 [ 1348.407462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1348.407470] Call Trace: [ 1348.414746] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1348.417148] dump_stack+0x197/0x210 [ 1348.450297] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1348.459653] warn_alloc.cold+0x7b/0x173 [ 1348.462212] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1348.489718] ? zone_watermark_ok_safe+0x260/0x260 [ 1348.493311] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1348.519169] ? __cpuset_node_allowed+0x136/0x540 [ 1348.523114] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1348.549233] ? __isolate_free_page+0x4c0/0x4c0 [ 1348.554038] lowmem_reserve[]: 0 0 1 1 1 [ 1348.559053] ? wake_all_kswapds+0x14d/0x300 [ 1348.563798] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1348.592618] __alloc_pages_slowpath+0x2214/0x2870 [ 1348.597170] lowmem_reserve[]: 0 0 0 0 0 [ 1348.601164] ? warn_alloc+0x110/0x110 [ 1348.605454] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1348.631220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1348.636034] lowmem_reserve[]: 0 0 0 0 0 [ 1348.640005] ? should_fail+0x14d/0x85c [ 1348.643777] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1348.677619] ? __isolate_free_page+0x4c0/0x4c0 [ 1348.683125] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1348.687101] __alloc_pages_nodemask+0x617/0x750 [ 1348.690952] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1348.703082] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1348.707634] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1348.721694] cache_grow_begin+0x91/0x8c0 [ 1348.726335] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1348.736986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1348.741981] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1348.757492] ? __cpuset_node_allowed+0x136/0x540 [ 1348.761541] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1348.770362] fallback_alloc+0x1fd/0x2d0 [ 1348.775875] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1348.775883] 269 total pagecache pages [ 1348.784448] ____cache_alloc_node+0x1be/0x1e0 [ 1348.789216] 0 pages in swap cache [ 1348.798055] kmem_cache_alloc_node+0xe3/0x710 [ 1348.802012] Swap cache stats: add 0, delete 0, find 0/0 [ 1348.810602] __alloc_skb+0xd5/0x5f0 [ 1348.814366] Free swap = 0kB [ 1348.818859] ? skb_trim+0x190/0x190 [ 1348.822282] Total swap = 0kB [ 1348.822292] 1965979 pages RAM [ 1348.826776] ? check_preemption_disabled+0x48/0x290 [ 1348.832119] 0 pages HighMem/MovableOnly [ 1348.835738] ? lock_acquire+0x16f/0x3f0 [ 1348.838729] 341726 pages reserved [ 1348.838736] 0 pages cma reserved [ 1348.842357] new_skb+0x28/0x1d0 [ 1348.845403] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1348.848441] aoecmd_cfg+0x1b5/0x640 [ 1348.853502] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1348.857404] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1348.861361] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1348.864809] ? timer_reduce+0x11d0/0x11d0 [ 1348.904872] discover_timer+0x4e/0x60 [ 1348.908668] call_timer_fn+0x18d/0x720 [ 1348.912548] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1348.917205] ? process_timeout+0x40/0x40 [ 1348.921253] ? run_timer_softirq+0x644/0x16a0 [ 1348.925741] ? trace_hardirqs_on+0x67/0x220 [ 1348.930321] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1348.934978] run_timer_softirq+0x64f/0x16a0 [ 1348.939306] ? add_timer+0xbe0/0xbe0 [ 1348.943009] ? kvm_clock_read+0x18/0x30 [ 1348.946980] ? check_preemption_disabled+0x48/0x290 [ 1348.951986] ? sched_clock+0x2e/0x50 [ 1348.955704] __do_softirq+0x25c/0x921 [ 1348.959494] ? preempt_schedule_common+0x4f/0xe0 [ 1348.964247] ? takeover_tasklets+0x7b0/0x7b0 [ 1348.968648] run_ksoftirqd+0x8e/0x110 [ 1348.972448] smpboot_thread_fn+0x6a3/0xa30 [ 1348.976679] ? sort_range+0x30/0x30 [ 1348.980297] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1348.985826] ? __kthread_parkme+0xfb/0x1b0 [ 1348.990063] kthread+0x354/0x420 [ 1348.993418] ? sort_range+0x30/0x30 [ 1348.997035] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1349.002563] ret_from_fork+0x24/0x30 [ 1349.006296] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1349.006360] aoe: skb alloc failure [ 1349.013670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1349.017285] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1349.026555] Call Trace: [ 1349.036866] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1349.039433] [ 1349.046411] dump_stack+0x197/0x210 [ 1349.050033] warn_alloc.cold+0x7b/0x173 [ 1349.054004] ? zone_watermark_ok_safe+0x260/0x260 [ 1349.058838] ? __cpuset_node_allowed+0x136/0x540 [ 1349.063694] ? __isolate_free_page+0x4c0/0x4c0 [ 1349.068278] ? wake_all_kswapds+0x14d/0x300 [ 1349.072599] __alloc_pages_slowpath+0x2214/0x2870 [ 1349.077542] ? warn_alloc+0x110/0x110 [ 1349.081336] ? __lock_acquire+0x6ee/0x49c0 [ 1349.085561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1349.091090] ? should_fail+0x14d/0x85c [ 1349.094973] ? __isolate_free_page+0x4c0/0x4c0 [ 1349.099560] __alloc_pages_nodemask+0x617/0x750 [ 1349.104225] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1349.109248] ? find_held_lock+0x35/0x130 [ 1349.113307] cache_grow_begin+0x91/0x8c0 [ 1349.117360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1349.122888] ? __cpuset_node_allowed+0x136/0x540 [ 1349.127640] fallback_alloc+0x1fd/0x2d0 [ 1349.131617] ____cache_alloc_node+0x1be/0x1e0 [ 1349.136104] kmem_cache_alloc_node+0xe3/0x710 [ 1349.140595] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1349.144830] __alloc_skb+0xd5/0x5f0 [ 1349.148460] ? skb_trim+0x190/0x190 [ 1349.152090] ? kasan_check_read+0x11/0x20 [ 1349.156256] ndisc_alloc_skb+0x13c/0x340 [ 1349.160321] ndisc_send_rs+0x35f/0x6e0 [ 1349.164212] addrconf_rs_timer+0x30f/0x680 [ 1349.168463] ? ipv6_get_lladdr+0x490/0x490 [ 1349.172707] call_timer_fn+0x18d/0x720 [ 1349.176593] ? ipv6_get_lladdr+0x490/0x490 [ 1349.180822] ? process_timeout+0x40/0x40 [ 1349.184874] ? run_timer_softirq+0x644/0x16a0 [ 1349.189367] ? trace_hardirqs_on+0x67/0x220 [ 1349.193690] ? ipv6_get_lladdr+0x490/0x490 [ 1349.197921] run_timer_softirq+0x64f/0x16a0 [ 1349.202240] ? add_timer+0xbe0/0xbe0 [ 1349.205948] ? __lock_is_held+0xb6/0x140 [ 1349.210021] __do_softirq+0x25c/0x921 [ 1349.213813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1349.219337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1349.224875] irq_exit+0x180/0x1d0 [ 1349.228318] smp_apic_timer_interrupt+0x13b/0x550 [ 1349.233156] apic_timer_interrupt+0xf/0x20 [ 1349.237376] [ 1349.239604] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1349.244181] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1349.263081] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1349.270778] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1349.278046] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1349.285305] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1349.292573] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1349.299929] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1349.307218] percpu_ref_put_many+0x37/0x190 [ 1349.311536] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1349.316631] mem_cgroup_iter+0x907/0xac0 [ 1349.320696] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1349.325443] ? kasan_check_read+0x11/0x20 [ 1349.329586] ? mem_cgroup_protected+0x44/0x380 [ 1349.334161] ? vmpressure+0x19f/0x350 [ 1349.337961] shrink_node+0x402/0x1450 [ 1349.341770] ? shrink_node_memcg+0x13f0/0x13f0 [ 1349.346342] ? kvm_clock_read+0x18/0x30 [ 1349.350314] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1349.355323] ? ktime_get+0x202/0x2f0 [ 1349.359029] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1349.364561] ? __cpuset_node_allowed+0x136/0x540 [ 1349.369314] do_try_to_free_pages+0x3cb/0x11c0 [ 1349.373900] ? shrink_node+0x1450/0x1450 [ 1349.377960] try_to_free_pages+0x2ee/0x7f0 [ 1349.382190] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1349.387040] __alloc_pages_slowpath+0x990/0x2870 [ 1349.391801] ? warn_alloc+0x110/0x110 [ 1349.395597] ? __lock_is_held+0xb6/0x140 [ 1349.399655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1349.405191] ? should_fail+0x14d/0x85c [ 1349.409100] ? __might_sleep+0x95/0x190 [ 1349.413090] __alloc_pages_nodemask+0x617/0x750 [ 1349.417764] ? kasan_check_read+0x11/0x20 [ 1349.421911] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1349.426919] ? find_get_entry+0x3e1/0xa00 [ 1349.431060] ? find_get_pages_contig+0xed0/0xed0 [ 1349.435807] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1349.441368] alloc_pages_current+0x107/0x210 [ 1349.445770] __page_cache_alloc+0x2bd/0x450 [ 1349.450080] ? kasan_check_read+0x11/0x20 [ 1349.454221] filemap_fault+0xfeb/0x1f00 [ 1349.458188] ? lock_downgrade+0x880/0x880 [ 1349.462335] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1349.467005] ? lock_acquire+0x16f/0x3f0 [ 1349.470970] ? ext4_filemap_fault+0x7b/0xaf [ 1349.475292] ext4_filemap_fault+0x83/0xaf [ 1349.480045] __do_fault+0x111/0x480 [ 1349.483668] __handle_mm_fault+0x2d78/0x3f80 [ 1349.488068] ? copy_page_range+0x2030/0x2030 [ 1349.492481] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1349.497141] handle_mm_fault+0x1b5/0x690 [ 1349.501204] __do_page_fault+0x62a/0xe90 [ 1349.505266] ? vmalloc_fault+0x740/0x740 [ 1349.509320] ? trace_hardirqs_off_caller+0x65/0x220 [ 1349.514335] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1349.519256] ? page_fault+0x8/0x30 [ 1349.522821] do_page_fault+0x71/0x57d [ 1349.526634] ? page_fault+0x8/0x30 [ 1349.530189] page_fault+0x1e/0x30 [ 1349.533648] RIP: 0033:0x45b153 [ 1349.536858] Code: Bad RIP value. [ 1349.540214] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1349.545589] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1349.552860] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1349.560118] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1349.567379] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1349.574648] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1349.581930] warn_alloc_show_mem: 1 callbacks suppressed [ 1349.581939] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1349.581941] Mem-Info: [ 1349.581969] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1349.581969] active_file:12 inactive_file:12 isolated_file:0 [ 1349.581969] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1349.581969] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1349.581969] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1349.581969] free:10883 free_pcp:183 free_cma:0 [ 1349.587312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1349.587322] Call Trace: [ 1349.594535] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1349.596942] dump_stack+0x197/0x210 [ 1349.630065] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1349.639409] warn_alloc.cold+0x7b/0x173 [ 1349.641967] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1349.669465] ? zone_watermark_ok_safe+0x260/0x260 [ 1349.673056] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1349.698908] ? __cpuset_node_allowed+0x136/0x540 [ 1349.702854] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1349.728966] ? __isolate_free_page+0x4c0/0x4c0 [ 1349.733774] lowmem_reserve[]: 0 0 1 1 1 [ 1349.738789] ? wake_all_kswapds+0x14d/0x300 [ 1349.743515] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1349.772314] __alloc_pages_slowpath+0x2214/0x2870 [ 1349.776868] lowmem_reserve[]: 0 0 0 0 0 [ 1349.780858] ? warn_alloc+0x110/0x110 [ 1349.785135] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1349.810893] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1349.815707] lowmem_reserve[]: 0 0 0 0 0 [ 1349.819670] ? should_fail+0x14d/0x85c [ 1349.823441] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1349.851281] ? __isolate_free_page+0x4c0/0x4c0 [ 1349.856787] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1349.860762] __alloc_pages_nodemask+0x617/0x750 [ 1349.864624] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1349.876788] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1349.881337] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1349.895416] cache_grow_begin+0x91/0x8c0 [ 1349.900057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1349.910700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1349.915696] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1349.931199] ? __cpuset_node_allowed+0x136/0x540 [ 1349.935247] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1349.944068] fallback_alloc+0x1fd/0x2d0 [ 1349.949582] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1349.958152] ____cache_alloc_node+0x1be/0x1e0 [ 1349.962885] 269 total pagecache pages [ 1349.971807] kmem_cache_alloc_node+0xe3/0x710 [ 1349.975762] 0 pages in swap cache [ 1349.984336] __alloc_skb+0xd5/0x5f0 [ 1349.988801] Swap cache stats: add 0, delete 0, find 0/0 [ 1349.992585] ? skb_trim+0x190/0x190 [ 1349.997056] Free swap = 0kB [ 1350.000497] ? check_preemption_disabled+0x48/0x290 [ 1350.004094] Total swap = 0kB [ 1350.009449] ? lock_acquire+0x16f/0x3f0 [ 1350.013045] 1965979 pages RAM [ 1350.016055] new_skb+0x28/0x1d0 [ 1350.021034] 0 pages HighMem/MovableOnly [ 1350.021041] 341726 pages reserved [ 1350.024052] aoecmd_cfg+0x1b5/0x640 [ 1350.027998] 0 pages cma reserved [ 1350.031094] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1350.034412] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1350.038329] ? timer_reduce+0x11d0/0x11d0 [ 1350.038353] discover_timer+0x4e/0x60 [ 1350.041840] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1350.045390] call_timer_fn+0x18d/0x720 [ 1350.048728] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1350.053041] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1350.090904] ? process_timeout+0x40/0x40 [ 1350.094969] ? run_timer_softirq+0x644/0x16a0 [ 1350.099469] ? trace_hardirqs_on+0x67/0x220 [ 1350.103792] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1350.108469] run_timer_softirq+0x64f/0x16a0 [ 1350.112804] ? add_timer+0xbe0/0xbe0 [ 1350.116511] ? kvm_clock_read+0x18/0x30 [ 1350.120478] ? check_preemption_disabled+0x48/0x290 [ 1350.125486] ? sched_clock+0x2e/0x50 [ 1350.129203] __do_softirq+0x25c/0x921 [ 1350.132997] ? preempt_schedule_common+0x4f/0xe0 [ 1350.137758] ? takeover_tasklets+0x7b0/0x7b0 [ 1350.142159] run_ksoftirqd+0x8e/0x110 [ 1350.145951] smpboot_thread_fn+0x6a3/0xa30 [ 1350.150178] ? sort_range+0x30/0x30 [ 1350.153795] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1350.159333] ? __kthread_parkme+0xfb/0x1b0 [ 1350.163564] kthread+0x354/0x420 [ 1350.166924] ? sort_range+0x30/0x30 [ 1350.170541] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1350.176074] ret_from_fork+0x24/0x30 [ 1350.179795] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1350.179859] aoe: skb alloc failure [ 1350.187152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1350.187157] Call Trace: [ 1350.187163] [ 1350.187179] dump_stack+0x197/0x210 [ 1350.187197] warn_alloc.cold+0x7b/0x173 [ 1350.190736] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1350.200059] ? zone_watermark_ok_safe+0x260/0x260 [ 1350.202629] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1350.204768] ? __cpuset_node_allowed+0x136/0x540 [ 1350.237019] ? __isolate_free_page+0x4c0/0x4c0 [ 1350.241601] ? wake_all_kswapds+0x14d/0x300 [ 1350.245947] __alloc_pages_slowpath+0x2214/0x2870 [ 1350.250921] ? warn_alloc+0x110/0x110 [ 1350.254722] ? __lock_acquire+0x6ee/0x49c0 [ 1350.258955] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1350.264505] ? should_fail+0x14d/0x85c [ 1350.268397] ? __isolate_free_page+0x4c0/0x4c0 [ 1350.272984] __alloc_pages_nodemask+0x617/0x750 [ 1350.277653] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1350.282683] ? find_held_lock+0x35/0x130 [ 1350.286741] cache_grow_begin+0x91/0x8c0 [ 1350.290801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1350.296331] ? __cpuset_node_allowed+0x136/0x540 [ 1350.301086] fallback_alloc+0x1fd/0x2d0 [ 1350.305053] ____cache_alloc_node+0x1be/0x1e0 [ 1350.309544] kmem_cache_alloc_node+0xe3/0x710 [ 1350.314031] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1350.318262] __alloc_skb+0xd5/0x5f0 [ 1350.321886] ? skb_trim+0x190/0x190 [ 1350.325505] ? kasan_check_read+0x11/0x20 [ 1350.329655] ndisc_alloc_skb+0x13c/0x340 [ 1350.333710] ndisc_send_rs+0x35f/0x6e0 [ 1350.337594] addrconf_rs_timer+0x30f/0x680 [ 1350.341823] ? ipv6_get_lladdr+0x490/0x490 [ 1350.346065] call_timer_fn+0x18d/0x720 [ 1350.349946] ? ipv6_get_lladdr+0x490/0x490 [ 1350.354170] ? process_timeout+0x40/0x40 [ 1350.358223] ? run_timer_softirq+0x644/0x16a0 [ 1350.362716] ? trace_hardirqs_on+0x67/0x220 [ 1350.367034] ? ipv6_get_lladdr+0x490/0x490 [ 1350.371267] run_timer_softirq+0x64f/0x16a0 [ 1350.375586] ? add_timer+0xbe0/0xbe0 [ 1350.379303] ? __lock_is_held+0xb6/0x140 [ 1350.383366] __do_softirq+0x25c/0x921 [ 1350.387157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1350.392682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1350.398220] irq_exit+0x180/0x1d0 [ 1350.401667] smp_apic_timer_interrupt+0x13b/0x550 [ 1350.406501] apic_timer_interrupt+0xf/0x20 [ 1350.410980] [ 1350.413210] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1350.417787] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1350.436674] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1350.444372] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1350.451628] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1350.458884] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1350.466153] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1350.473410] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1350.480697] percpu_ref_put_many+0x37/0x190 [ 1350.485010] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1350.490115] mem_cgroup_iter+0x907/0xac0 [ 1350.494172] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1350.498929] ? kasan_check_read+0x11/0x20 [ 1350.503071] ? mem_cgroup_protected+0x44/0x380 [ 1350.507645] ? vmpressure+0x19f/0x350 [ 1350.511440] shrink_node+0x402/0x1450 [ 1350.515245] ? shrink_node_memcg+0x13f0/0x13f0 [ 1350.519816] ? kvm_clock_read+0x18/0x30 [ 1350.523795] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1350.528804] ? ktime_get+0x202/0x2f0 [ 1350.532521] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1350.538045] ? __cpuset_node_allowed+0x136/0x540 [ 1350.542800] do_try_to_free_pages+0x3cb/0x11c0 [ 1350.547395] ? shrink_node+0x1450/0x1450 [ 1350.551466] try_to_free_pages+0x2ee/0x7f0 [ 1350.555697] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1350.560546] __alloc_pages_slowpath+0x990/0x2870 [ 1350.565308] ? warn_alloc+0x110/0x110 [ 1350.569182] ? __lock_is_held+0xb6/0x140 [ 1350.573267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1350.578819] ? should_fail+0x14d/0x85c [ 1350.582713] ? __might_sleep+0x95/0x190 [ 1350.586694] __alloc_pages_nodemask+0x617/0x750 [ 1350.591444] ? kasan_check_read+0x11/0x20 [ 1350.595587] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1350.600593] ? find_get_entry+0x3e1/0xa00 [ 1350.604759] ? find_get_pages_contig+0xed0/0xed0 [ 1350.609534] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1350.615090] alloc_pages_current+0x107/0x210 [ 1350.619518] __page_cache_alloc+0x2bd/0x450 [ 1350.623853] ? kasan_check_read+0x11/0x20 [ 1350.628002] filemap_fault+0xfeb/0x1f00 [ 1350.631974] ? lock_downgrade+0x880/0x880 [ 1350.636138] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1350.640808] ? lock_acquire+0x16f/0x3f0 [ 1350.644918] ? ext4_filemap_fault+0x7b/0xaf [ 1350.649268] ext4_filemap_fault+0x83/0xaf [ 1350.653423] __do_fault+0x111/0x480 [ 1350.657049] __handle_mm_fault+0x2d78/0x3f80 [ 1350.661455] ? copy_page_range+0x2030/0x2030 [ 1350.665870] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1350.670540] handle_mm_fault+0x1b5/0x690 [ 1350.674598] __do_page_fault+0x62a/0xe90 [ 1350.678664] ? vmalloc_fault+0x740/0x740 [ 1350.682717] ? trace_hardirqs_off_caller+0x65/0x220 [ 1350.687727] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1350.692645] ? page_fault+0x8/0x30 [ 1350.696180] do_page_fault+0x71/0x57d [ 1350.699981] ? page_fault+0x8/0x30 [ 1350.703525] page_fault+0x1e/0x30 [ 1350.706967] RIP: 0033:0x45b153 [ 1350.710164] Code: Bad RIP value. [ 1350.713517] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1350.718868] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1350.726127] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1350.733383] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1350.740639] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1350.747907] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1350.755182] warn_alloc_show_mem: 1 callbacks suppressed [ 1350.755192] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1350.755194] Mem-Info: [ 1350.755222] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1350.755222] active_file:12 inactive_file:12 isolated_file:0 [ 1350.755222] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1350.755222] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1350.755222] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1350.755222] free:10883 free_pcp:183 free_cma:0 [ 1350.760657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1350.767840] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1350.770242] Call Trace: [ 1350.803383] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1350.812716] dump_stack+0x197/0x210 [ 1350.840184] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1350.842764] warn_alloc.cold+0x7b/0x173 [ 1350.868582] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1350.872205] ? zone_watermark_ok_safe+0x260/0x260 [ 1350.898283] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1350.902258] ? __cpuset_node_allowed+0x136/0x540 [ 1350.907238] lowmem_reserve[]: 0 0 1 1 1 [ 1350.912084] ? __isolate_free_page+0x4c0/0x4c0 [ 1350.940866] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1350.945624] ? wake_all_kswapds+0x14d/0x300 [ 1350.949589] lowmem_reserve[]: 0 0 0 0 0 [ 1350.954196] __alloc_pages_slowpath+0x2214/0x2870 [ 1350.979936] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1350.984271] ? warn_alloc+0x110/0x110 [ 1350.988191] lowmem_reserve[]: 0 0 0 0 0 [ 1350.993044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1351.020860] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1351.024655] ? should_fail+0x14d/0x85c [ 1351.028606] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1351.034161] ? __isolate_free_page+0x4c0/0x4c0 [ 1351.046262] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1351.050172] __alloc_pages_nodemask+0x617/0x750 [ 1351.064176] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1351.068759] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1351.079398] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1351.084064] cache_grow_begin+0x91/0x8c0 [ 1351.099545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1351.099558] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1351.104570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1351.113395] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1351.113405] 269 total pagecache pages [ 1351.117475] ? __cpuset_node_allowed+0x136/0x540 [ 1351.126040] 0 pages in swap cache [ 1351.134885] fallback_alloc+0x1fd/0x2d0 [ 1351.140482] Swap cache stats: add 0, delete 0, find 0/0 [ 1351.140492] Free swap = 0kB [ 1351.149088] ____cache_alloc_node+0x1be/0x1e0 [ 1351.152854] Total swap = 0kB [ 1351.157639] kmem_cache_alloc_node+0xe3/0x710 [ 1351.161072] 1965979 pages RAM [ 1351.165066] __alloc_skb+0xd5/0x5f0 [ 1351.170399] 0 pages HighMem/MovableOnly [ 1351.170408] 341726 pages reserved [ 1351.173438] ? skb_trim+0x190/0x190 [ 1351.177915] 0 pages cma reserved [ 1351.178056] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1351.180950] ? check_preemption_disabled+0x48/0x290 [ 1351.185502] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1351.188549] ? lock_acquire+0x16f/0x3f0 [ 1351.188572] new_skb+0x28/0x1d0 [ 1351.192183] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1351.196179] aoecmd_cfg+0x1b5/0x640 [ 1351.243972] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1351.248310] ? timer_reduce+0x11d0/0x11d0 [ 1351.252477] discover_timer+0x4e/0x60 [ 1351.256279] call_timer_fn+0x18d/0x720 [ 1351.260177] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1351.264845] ? process_timeout+0x40/0x40 [ 1351.268914] ? run_timer_softirq+0x644/0x16a0 [ 1351.273420] ? trace_hardirqs_on+0x67/0x220 [ 1351.277747] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1351.282410] run_timer_softirq+0x64f/0x16a0 [ 1351.286741] ? add_timer+0xbe0/0xbe0 [ 1351.290446] ? kvm_clock_read+0x18/0x30 [ 1351.294415] ? check_preemption_disabled+0x48/0x290 [ 1351.299430] ? sched_clock+0x2e/0x50 [ 1351.303156] __do_softirq+0x25c/0x921 [ 1351.306973] ? preempt_schedule_common+0x4f/0xe0 [ 1351.311749] ? takeover_tasklets+0x7b0/0x7b0 [ 1351.316156] run_ksoftirqd+0x8e/0x110 [ 1351.319967] smpboot_thread_fn+0x6a3/0xa30 [ 1351.324216] ? sort_range+0x30/0x30 [ 1351.327848] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1351.333399] ? __kthread_parkme+0xfb/0x1b0 [ 1351.337649] kthread+0x354/0x420 [ 1351.341013] ? sort_range+0x30/0x30 [ 1351.344650] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1351.350208] ret_from_fork+0x24/0x30 [ 1351.353937] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1351.354006] aoe: skb alloc failure [ 1351.361300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1351.361305] Call Trace: [ 1351.361311] [ 1351.361329] dump_stack+0x197/0x210 [ 1351.361349] warn_alloc.cold+0x7b/0x173 [ 1351.364919] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1351.374244] ? zone_watermark_ok_safe+0x260/0x260 [ 1351.376812] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1351.378964] ? __cpuset_node_allowed+0x136/0x540 [ 1351.411609] ? __isolate_free_page+0x4c0/0x4c0 [ 1351.416188] ? wake_all_kswapds+0x14d/0x300 [ 1351.420524] __alloc_pages_slowpath+0x2214/0x2870 [ 1351.425391] ? warn_alloc+0x110/0x110 [ 1351.429192] ? __lock_acquire+0x6ee/0x49c0 [ 1351.433422] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1351.438960] ? should_fail+0x14d/0x85c [ 1351.442855] ? __isolate_free_page+0x4c0/0x4c0 [ 1351.447443] __alloc_pages_nodemask+0x617/0x750 [ 1351.452112] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1351.457148] ? find_held_lock+0x35/0x130 [ 1351.461380] cache_grow_begin+0x91/0x8c0 [ 1351.465432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1351.470969] ? __cpuset_node_allowed+0x136/0x540 [ 1351.475722] fallback_alloc+0x1fd/0x2d0 [ 1351.479695] ____cache_alloc_node+0x1be/0x1e0 [ 1351.484194] kmem_cache_alloc_node+0xe3/0x710 [ 1351.488692] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1351.492925] __alloc_skb+0xd5/0x5f0 [ 1351.496546] ? skb_trim+0x190/0x190 [ 1351.500164] ? kasan_check_read+0x11/0x20 [ 1351.504309] ndisc_alloc_skb+0x13c/0x340 [ 1351.508380] ndisc_send_rs+0x35f/0x6e0 [ 1351.512266] addrconf_rs_timer+0x30f/0x680 [ 1351.516498] ? ipv6_get_lladdr+0x490/0x490 [ 1351.520730] call_timer_fn+0x18d/0x720 [ 1351.524607] ? ipv6_get_lladdr+0x490/0x490 [ 1351.528832] ? process_timeout+0x40/0x40 [ 1351.532882] ? run_timer_softirq+0x644/0x16a0 [ 1351.537372] ? trace_hardirqs_on+0x67/0x220 [ 1351.541689] ? ipv6_get_lladdr+0x490/0x490 [ 1351.545918] run_timer_softirq+0x64f/0x16a0 [ 1351.550237] ? add_timer+0xbe0/0xbe0 [ 1351.553952] ? __lock_is_held+0xb6/0x140 [ 1351.558021] __do_softirq+0x25c/0x921 [ 1351.561811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1351.567335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1351.572870] irq_exit+0x180/0x1d0 [ 1351.576315] smp_apic_timer_interrupt+0x13b/0x550 [ 1351.581150] apic_timer_interrupt+0xf/0x20 [ 1351.585372] [ 1351.587618] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1351.592205] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1351.611121] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1351.618838] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1351.626129] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1351.633389] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1351.640645] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1351.647910] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1351.655210] percpu_ref_put_many+0x37/0x190 [ 1351.659523] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1351.664617] mem_cgroup_iter+0x907/0xac0 [ 1351.668675] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1351.673429] ? kasan_check_read+0x11/0x20 [ 1351.677569] ? mem_cgroup_protected+0x44/0x380 [ 1351.682142] ? vmpressure+0x19f/0x350 [ 1351.685939] shrink_node+0x402/0x1450 [ 1351.689775] ? shrink_node_memcg+0x13f0/0x13f0 [ 1351.694367] ? kvm_clock_read+0x18/0x30 [ 1351.698341] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1351.703368] ? ktime_get+0x202/0x2f0 [ 1351.707086] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1351.712622] ? __cpuset_node_allowed+0x136/0x540 [ 1351.717387] do_try_to_free_pages+0x3cb/0x11c0 [ 1351.721990] ? shrink_node+0x1450/0x1450 [ 1351.726061] try_to_free_pages+0x2ee/0x7f0 [ 1351.730299] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1351.735149] __alloc_pages_slowpath+0x990/0x2870 [ 1351.739923] ? warn_alloc+0x110/0x110 [ 1351.743713] ? __lock_is_held+0xb6/0x140 [ 1351.747769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1351.753302] ? should_fail+0x14d/0x85c [ 1351.757198] ? __might_sleep+0x95/0x190 [ 1351.761170] __alloc_pages_nodemask+0x617/0x750 [ 1351.765839] ? kasan_check_read+0x11/0x20 [ 1351.769983] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1351.774998] ? find_get_entry+0x3e1/0xa00 [ 1351.779143] ? find_get_pages_contig+0xed0/0xed0 [ 1351.783890] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1351.789423] alloc_pages_current+0x107/0x210 [ 1351.793832] __page_cache_alloc+0x2bd/0x450 [ 1351.798143] ? kasan_check_read+0x11/0x20 [ 1351.802285] filemap_fault+0xfeb/0x1f00 [ 1351.806250] ? lock_downgrade+0x880/0x880 [ 1351.810398] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1351.815072] ? lock_acquire+0x16f/0x3f0 [ 1351.819038] ? ext4_filemap_fault+0x7b/0xaf [ 1351.823362] ext4_filemap_fault+0x83/0xaf [ 1351.827501] __do_fault+0x111/0x480 [ 1351.831123] __handle_mm_fault+0x2d78/0x3f80 [ 1351.835527] ? copy_page_range+0x2030/0x2030 [ 1351.839945] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1351.844618] handle_mm_fault+0x1b5/0x690 [ 1351.848674] __do_page_fault+0x62a/0xe90 [ 1351.852731] ? vmalloc_fault+0x740/0x740 [ 1351.856785] ? trace_hardirqs_off_caller+0x65/0x220 [ 1351.861790] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1351.866709] ? page_fault+0x8/0x30 [ 1351.870268] do_page_fault+0x71/0x57d [ 1351.874060] ? page_fault+0x8/0x30 [ 1351.877590] page_fault+0x1e/0x30 [ 1351.881034] RIP: 0033:0x45b153 [ 1351.884233] Code: Bad RIP value. [ 1351.887587] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1351.892947] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1351.900207] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1351.907470] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1351.914738] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1351.922000] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1351.929273] warn_alloc_show_mem: 1 callbacks suppressed [ 1351.929284] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1351.929286] Mem-Info: [ 1351.929315] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1351.929315] active_file:12 inactive_file:12 isolated_file:0 [ 1351.929315] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1351.929315] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1351.929315] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1351.929315] free:10883 free_pcp:183 free_cma:0 [ 1351.934666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1351.941853] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1351.944244] Call Trace: [ 1351.977394] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1351.986735] dump_stack+0x197/0x210 [ 1352.014310] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1352.016923] warn_alloc.cold+0x7b/0x173 [ 1352.042758] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1352.046411] ? zone_watermark_ok_safe+0x260/0x260 [ 1352.072491] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1352.076469] ? __cpuset_node_allowed+0x136/0x540 [ 1352.081452] lowmem_reserve[]: 0 0 1 1 1 [ 1352.086298] ? __isolate_free_page+0x4c0/0x4c0 [ 1352.115154] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1352.119912] ? wake_all_kswapds+0x14d/0x300 [ 1352.123872] lowmem_reserve[]: 0 0 0 0 0 [ 1352.128452] __alloc_pages_slowpath+0x2214/0x2870 [ 1352.154185] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1352.158528] ? warn_alloc+0x110/0x110 [ 1352.162457] lowmem_reserve[]: 0 0 0 0 0 [ 1352.167303] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1352.195120] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1352.198920] ? should_fail+0x14d/0x85c [ 1352.202859] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1352.208397] ? __isolate_free_page+0x4c0/0x4c0 [ 1352.220504] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1352.224392] __alloc_pages_nodemask+0x617/0x750 [ 1352.238425] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1352.243040] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1352.253691] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1352.258384] cache_grow_begin+0x91/0x8c0 [ 1352.273871] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1352.278891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1352.287700] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1352.291742] ? __cpuset_node_allowed+0x136/0x540 [ 1352.300989] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1352.306512] fallback_alloc+0x1fd/0x2d0 [ 1352.315332] 269 total pagecache pages [ 1352.320092] ____cache_alloc_node+0x1be/0x1e0 [ 1352.328644] 0 pages in swap cache [ 1352.332606] kmem_cache_alloc_node+0xe3/0x710 [ 1352.336388] Swap cache stats: add 0, delete 0, find 0/0 [ 1352.336396] Free swap = 0kB [ 1352.340889] __alloc_skb+0xd5/0x5f0 [ 1352.344319] Total swap = 0kB [ 1352.348802] ? skb_trim+0x190/0x190 [ 1352.354141] 1965979 pages RAM [ 1352.357150] ? check_preemption_disabled+0x48/0x290 [ 1352.360752] 0 pages HighMem/MovableOnly [ 1352.360759] 341726 pages reserved [ 1352.363778] ? lock_acquire+0x16f/0x3f0 [ 1352.367388] 0 pages cma reserved [ 1352.370492] new_skb+0x28/0x1d0 [ 1352.375534] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1352.379459] aoecmd_cfg+0x1b5/0x640 [ 1352.382937] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1352.386868] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1352.390220] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1352.393512] ? timer_reduce+0x11d0/0x11d0 [ 1352.427012] discover_timer+0x4e/0x60 [ 1352.431157] call_timer_fn+0x18d/0x720 [ 1352.435038] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1352.439702] ? process_timeout+0x40/0x40 [ 1352.443765] ? run_timer_softirq+0x644/0x16a0 [ 1352.448254] ? trace_hardirqs_on+0x67/0x220 [ 1352.452580] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1352.457245] run_timer_softirq+0x64f/0x16a0 [ 1352.461740] ? add_timer+0xbe0/0xbe0 [ 1352.465445] ? kvm_clock_read+0x18/0x30 [ 1352.469411] ? check_preemption_disabled+0x48/0x290 [ 1352.474435] ? sched_clock+0x2e/0x50 [ 1352.478148] __do_softirq+0x25c/0x921 [ 1352.481942] ? preempt_schedule_common+0x4f/0xe0 [ 1352.486698] ? takeover_tasklets+0x7b0/0x7b0 [ 1352.491097] run_ksoftirqd+0x8e/0x110 [ 1352.494891] smpboot_thread_fn+0x6a3/0xa30 [ 1352.499119] ? sort_range+0x30/0x30 [ 1352.502737] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1352.508266] ? __kthread_parkme+0xfb/0x1b0 [ 1352.512493] kthread+0x354/0x420 [ 1352.515848] ? sort_range+0x30/0x30 [ 1352.519477] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1352.525006] ret_from_fork+0x24/0x30 [ 1352.528742] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1352.528806] aoe: skb alloc failure [ 1352.536103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1352.536108] Call Trace: [ 1352.536114] [ 1352.536131] dump_stack+0x197/0x210 [ 1352.536148] warn_alloc.cold+0x7b/0x173 [ 1352.539689] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1352.549017] ? zone_watermark_ok_safe+0x260/0x260 [ 1352.551571] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1352.553721] ? __cpuset_node_allowed+0x136/0x540 [ 1352.585983] ? __isolate_free_page+0x4c0/0x4c0 [ 1352.590563] ? wake_all_kswapds+0x14d/0x300 [ 1352.594886] __alloc_pages_slowpath+0x2214/0x2870 [ 1352.599741] ? warn_alloc+0x110/0x110 [ 1352.603537] ? __lock_acquire+0x6ee/0x49c0 [ 1352.607761] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1352.613289] ? should_fail+0x14d/0x85c [ 1352.617172] ? __isolate_free_page+0x4c0/0x4c0 [ 1352.621753] __alloc_pages_nodemask+0x617/0x750 [ 1352.626430] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1352.631454] ? find_held_lock+0x35/0x130 [ 1352.635507] cache_grow_begin+0x91/0x8c0 [ 1352.639559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1352.645085] ? __cpuset_node_allowed+0x136/0x540 [ 1352.650027] fallback_alloc+0x1fd/0x2d0 [ 1352.653997] ____cache_alloc_node+0x1be/0x1e0 [ 1352.658486] kmem_cache_alloc_node+0xe3/0x710 [ 1352.662975] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1352.667211] __alloc_skb+0xd5/0x5f0 [ 1352.670826] ? skb_trim+0x190/0x190 [ 1352.674445] ? kasan_check_read+0x11/0x20 [ 1352.678594] ndisc_alloc_skb+0x13c/0x340 [ 1352.682649] ndisc_send_rs+0x35f/0x6e0 [ 1352.686537] addrconf_rs_timer+0x30f/0x680 [ 1352.690773] ? ipv6_get_lladdr+0x490/0x490 [ 1352.695004] call_timer_fn+0x18d/0x720 [ 1352.698885] ? ipv6_get_lladdr+0x490/0x490 [ 1352.703111] ? process_timeout+0x40/0x40 [ 1352.707164] ? run_timer_softirq+0x644/0x16a0 [ 1352.711664] ? trace_hardirqs_on+0x67/0x220 [ 1352.715980] ? ipv6_get_lladdr+0x490/0x490 [ 1352.720205] run_timer_softirq+0x64f/0x16a0 [ 1352.724522] ? add_timer+0xbe0/0xbe0 [ 1352.728228] ? __lock_is_held+0xb6/0x140 [ 1352.732290] __do_softirq+0x25c/0x921 [ 1352.736089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1352.741616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1352.747154] irq_exit+0x180/0x1d0 [ 1352.750600] smp_apic_timer_interrupt+0x13b/0x550 [ 1352.755434] apic_timer_interrupt+0xf/0x20 [ 1352.759660] [ 1352.761897] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1352.766476] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1352.785384] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1352.793090] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1352.800350] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1352.807621] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1352.814882] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1352.822147] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1352.829440] percpu_ref_put_many+0x37/0x190 [ 1352.833752] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1352.838846] mem_cgroup_iter+0x907/0xac0 [ 1352.842906] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1352.847658] ? kasan_check_read+0x11/0x20 [ 1352.851806] ? mem_cgroup_protected+0x44/0x380 [ 1352.856387] ? vmpressure+0x19f/0x350 [ 1352.860181] shrink_node+0x402/0x1450 [ 1352.863984] ? shrink_node_memcg+0x13f0/0x13f0 [ 1352.868556] ? kvm_clock_read+0x18/0x30 [ 1352.872532] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1352.877547] ? ktime_get+0x202/0x2f0 [ 1352.881253] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1352.886870] ? __cpuset_node_allowed+0x136/0x540 [ 1352.891621] do_try_to_free_pages+0x3cb/0x11c0 [ 1352.896216] ? shrink_node+0x1450/0x1450 [ 1352.900275] try_to_free_pages+0x2ee/0x7f0 [ 1352.904506] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1352.909355] __alloc_pages_slowpath+0x990/0x2870 [ 1352.914121] ? warn_alloc+0x110/0x110 [ 1352.917910] ? __lock_is_held+0xb6/0x140 [ 1352.921965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1352.927489] ? should_fail+0x14d/0x85c [ 1352.931375] ? __might_sleep+0x95/0x190 [ 1352.935344] __alloc_pages_nodemask+0x617/0x750 [ 1352.940007] ? kasan_check_read+0x11/0x20 [ 1352.944151] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1352.949154] ? find_get_entry+0x3e1/0xa00 [ 1352.953307] ? find_get_pages_contig+0xed0/0xed0 [ 1352.958058] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1352.963590] alloc_pages_current+0x107/0x210 [ 1352.967993] __page_cache_alloc+0x2bd/0x450 [ 1352.972314] ? kasan_check_read+0x11/0x20 [ 1352.976455] filemap_fault+0xfeb/0x1f00 [ 1352.980422] ? lock_downgrade+0x880/0x880 [ 1352.985009] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1352.989672] ? lock_acquire+0x16f/0x3f0 [ 1352.993640] ? ext4_filemap_fault+0x7b/0xaf [ 1352.997963] ext4_filemap_fault+0x83/0xaf [ 1353.002103] __do_fault+0x111/0x480 [ 1353.005723] __handle_mm_fault+0x2d78/0x3f80 [ 1353.010129] ? copy_page_range+0x2030/0x2030 [ 1353.014542] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1353.019203] handle_mm_fault+0x1b5/0x690 [ 1353.023264] __do_page_fault+0x62a/0xe90 [ 1353.027324] ? vmalloc_fault+0x740/0x740 [ 1353.031377] ? trace_hardirqs_off_caller+0x65/0x220 [ 1353.036385] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1353.041305] ? page_fault+0x8/0x30 [ 1353.044843] do_page_fault+0x71/0x57d [ 1353.048638] ? page_fault+0x8/0x30 [ 1353.052169] page_fault+0x1e/0x30 [ 1353.055610] RIP: 0033:0x45b153 [ 1353.058802] Code: Bad RIP value. [ 1353.062152] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1353.067501] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1353.074761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1353.082026] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1353.089283] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1353.096540] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1353.103815] warn_alloc_show_mem: 1 callbacks suppressed [ 1353.103825] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1353.103827] Mem-Info: [ 1353.103927] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1353.103927] active_file:12 inactive_file:12 isolated_file:0 [ 1353.103927] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1353.103927] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1353.103927] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1353.103927] free:10883 free_pcp:183 free_cma:0 [ 1353.109262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1353.116457] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1353.118862] Call Trace: [ 1353.152023] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1353.161376] dump_stack+0x197/0x210 [ 1353.188847] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1353.191427] warn_alloc.cold+0x7b/0x173 [ 1353.217247] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1353.220879] ? zone_watermark_ok_safe+0x260/0x260 [ 1353.246951] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1353.250926] ? __cpuset_node_allowed+0x136/0x540 [ 1353.255919] lowmem_reserve[]: 0 0 1 1 1 [ 1353.260780] ? __isolate_free_page+0x4c0/0x4c0 [ 1353.289549] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1353.294299] ? wake_all_kswapds+0x14d/0x300 [ 1353.298247] lowmem_reserve[]: 0 0 0 0 0 [ 1353.302826] __alloc_pages_slowpath+0x2214/0x2870 [ 1353.328578] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1353.332928] ? warn_alloc+0x110/0x110 [ 1353.336848] lowmem_reserve[]: 0 0 0 0 0 [ 1353.341686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1353.369499] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1353.373295] ? should_fail+0x14d/0x85c [ 1353.377237] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1353.382777] ? __isolate_free_page+0x4c0/0x4c0 [ 1353.394875] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1353.398763] __alloc_pages_nodemask+0x617/0x750 [ 1353.412772] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1353.417378] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1353.428026] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1353.432693] cache_grow_begin+0x91/0x8c0 [ 1353.448179] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1353.453187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1353.462015] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1353.466099] ? __cpuset_node_allowed+0x136/0x540 [ 1353.474680] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1353.480217] fallback_alloc+0x1fd/0x2d0 [ 1353.489019] 269 total pagecache pages [ 1353.493859] ____cache_alloc_node+0x1be/0x1e0 [ 1353.502413] 0 pages in swap cache [ 1353.506374] kmem_cache_alloc_node+0xe3/0x710 [ 1353.510167] Swap cache stats: add 0, delete 0, find 0/0 [ 1353.514656] __alloc_skb+0xd5/0x5f0 [ 1353.518077] Free swap = 0kB [ 1353.522646] ? skb_trim+0x190/0x190 [ 1353.527979] Total swap = 0kB [ 1353.527988] 1965979 pages RAM [ 1353.531604] ? check_preemption_disabled+0x48/0x290 [ 1353.534593] 0 pages HighMem/MovableOnly [ 1353.534600] 341726 pages reserved [ 1353.538216] ? lock_acquire+0x16f/0x3f0 [ 1353.541205] 0 pages cma reserved [ 1353.544306] new_skb+0x28/0x1d0 [ 1353.549357] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1353.553268] aoecmd_cfg+0x1b5/0x640 [ 1353.556777] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1353.560663] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1353.564002] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1353.567279] ? timer_reduce+0x11d0/0x11d0 [ 1353.600765] discover_timer+0x4e/0x60 [ 1353.604562] call_timer_fn+0x18d/0x720 [ 1353.608446] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1353.613117] ? process_timeout+0x40/0x40 [ 1353.617169] ? run_timer_softirq+0x644/0x16a0 [ 1353.621661] ? trace_hardirqs_on+0x67/0x220 [ 1353.625978] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1353.630658] run_timer_softirq+0x64f/0x16a0 [ 1353.634993] ? add_timer+0xbe0/0xbe0 [ 1353.638705] ? kvm_clock_read+0x18/0x30 [ 1353.642680] ? check_preemption_disabled+0x48/0x290 [ 1353.647709] ? sched_clock+0x2e/0x50 [ 1353.651442] __do_softirq+0x25c/0x921 [ 1353.655240] ? preempt_schedule_common+0x4f/0xe0 [ 1353.660014] ? takeover_tasklets+0x7b0/0x7b0 [ 1353.664432] run_ksoftirqd+0x8e/0x110 [ 1353.668231] smpboot_thread_fn+0x6a3/0xa30 [ 1353.672466] ? sort_range+0x30/0x30 [ 1353.676098] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1353.681637] ? __kthread_parkme+0xfb/0x1b0 [ 1353.685873] kthread+0x354/0x420 [ 1353.689233] ? sort_range+0x30/0x30 [ 1353.692864] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1353.698400] ret_from_fork+0x24/0x30 [ 1353.702134] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1353.702195] aoe: skb alloc failure [ 1353.709510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1353.709516] Call Trace: [ 1353.709522] [ 1353.709541] dump_stack+0x197/0x210 [ 1353.709558] warn_alloc.cold+0x7b/0x173 [ 1353.709577] ? zone_watermark_ok_safe+0x260/0x260 [ 1353.713125] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1353.722470] ? __cpuset_node_allowed+0x136/0x540 [ 1353.725029] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1353.727175] ? __isolate_free_page+0x4c0/0x4c0 [ 1353.764028] ? wake_all_kswapds+0x14d/0x300 [ 1353.768354] __alloc_pages_slowpath+0x2214/0x2870 [ 1353.773207] ? warn_alloc+0x110/0x110 [ 1353.777004] ? __lock_acquire+0x6ee/0x49c0 [ 1353.781231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1353.786966] ? should_fail+0x14d/0x85c [ 1353.790853] ? __isolate_free_page+0x4c0/0x4c0 [ 1353.795439] __alloc_pages_nodemask+0x617/0x750 [ 1353.800128] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1353.805151] ? find_held_lock+0x35/0x130 [ 1353.809214] cache_grow_begin+0x91/0x8c0 [ 1353.813275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1353.818806] ? __cpuset_node_allowed+0x136/0x540 [ 1353.823557] fallback_alloc+0x1fd/0x2d0 [ 1353.827530] ____cache_alloc_node+0x1be/0x1e0 [ 1353.832039] kmem_cache_alloc_node+0xe3/0x710 [ 1353.836550] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1353.840791] __alloc_skb+0xd5/0x5f0 [ 1353.844427] ? skb_trim+0x190/0x190 [ 1353.848060] ? kasan_check_read+0x11/0x20 [ 1353.852227] ndisc_alloc_skb+0x13c/0x340 [ 1353.856305] ndisc_send_rs+0x35f/0x6e0 [ 1353.860195] addrconf_rs_timer+0x30f/0x680 [ 1353.864446] ? ipv6_get_lladdr+0x490/0x490 [ 1353.868684] call_timer_fn+0x18d/0x720 [ 1353.872565] ? ipv6_get_lladdr+0x490/0x490 [ 1353.876806] ? process_timeout+0x40/0x40 [ 1353.880871] ? run_timer_softirq+0x644/0x16a0 [ 1353.885369] ? trace_hardirqs_on+0x67/0x220 [ 1353.889691] ? ipv6_get_lladdr+0x490/0x490 [ 1353.893937] run_timer_softirq+0x64f/0x16a0 [ 1353.898262] ? add_timer+0xbe0/0xbe0 [ 1353.901983] ? __lock_is_held+0xb6/0x140 [ 1353.906064] __do_softirq+0x25c/0x921 [ 1353.909859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1353.915413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1353.920972] irq_exit+0x180/0x1d0 [ 1353.924426] smp_apic_timer_interrupt+0x13b/0x550 [ 1353.929270] apic_timer_interrupt+0xf/0x20 [ 1353.933502] [ 1353.935747] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1353.940331] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1353.959239] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1353.966951] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1353.974208] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1353.981466] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1353.988727] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1353.995983] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1354.003278] percpu_ref_put_many+0x37/0x190 [ 1354.007595] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1354.012687] mem_cgroup_iter+0x907/0xac0 [ 1354.016746] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1354.021495] ? kasan_check_read+0x11/0x20 [ 1354.025630] ? mem_cgroup_protected+0x44/0x380 [ 1354.030213] ? vmpressure+0x19f/0x350 [ 1354.034016] shrink_node+0x402/0x1450 [ 1354.037819] ? shrink_node_memcg+0x13f0/0x13f0 [ 1354.042390] ? kvm_clock_read+0x18/0x30 [ 1354.046354] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1354.051361] ? ktime_get+0x202/0x2f0 [ 1354.055069] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1354.060594] ? __cpuset_node_allowed+0x136/0x540 [ 1354.065347] do_try_to_free_pages+0x3cb/0x11c0 [ 1354.069931] ? shrink_node+0x1450/0x1450 [ 1354.073989] try_to_free_pages+0x2ee/0x7f0 [ 1354.078219] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1354.083069] __alloc_pages_slowpath+0x990/0x2870 [ 1354.087833] ? warn_alloc+0x110/0x110 [ 1354.091628] ? __lock_is_held+0xb6/0x140 [ 1354.095681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1354.101208] ? should_fail+0x14d/0x85c [ 1354.105108] ? __might_sleep+0x95/0x190 [ 1354.109083] __alloc_pages_nodemask+0x617/0x750 [ 1354.113751] ? kasan_check_read+0x11/0x20 [ 1354.117894] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1354.122904] ? find_get_entry+0x3e1/0xa00 [ 1354.127047] ? find_get_pages_contig+0xed0/0xed0 [ 1354.131794] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1354.137329] alloc_pages_current+0x107/0x210 [ 1354.141740] __page_cache_alloc+0x2bd/0x450 [ 1354.146054] ? kasan_check_read+0x11/0x20 [ 1354.150198] filemap_fault+0xfeb/0x1f00 [ 1354.154177] ? lock_downgrade+0x880/0x880 [ 1354.158324] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1354.162987] ? lock_acquire+0x16f/0x3f0 [ 1354.166966] ? ext4_filemap_fault+0x7b/0xaf [ 1354.171288] ext4_filemap_fault+0x83/0xaf [ 1354.175430] __do_fault+0x111/0x480 [ 1354.179049] __handle_mm_fault+0x2d78/0x3f80 [ 1354.183566] ? copy_page_range+0x2030/0x2030 [ 1354.187999] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1354.192681] handle_mm_fault+0x1b5/0x690 [ 1354.196762] __do_page_fault+0x62a/0xe90 [ 1354.200833] ? vmalloc_fault+0x740/0x740 [ 1354.204912] ? trace_hardirqs_off_caller+0x65/0x220 [ 1354.209927] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1354.214866] ? page_fault+0x8/0x30 [ 1354.218406] do_page_fault+0x71/0x57d [ 1354.222199] ? page_fault+0x8/0x30 [ 1354.225732] page_fault+0x1e/0x30 [ 1354.229177] RIP: 0033:0x45b153 [ 1354.232372] Code: Bad RIP value. [ 1354.235726] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1354.241083] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1354.248343] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1354.255609] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1354.262866] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1354.270124] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1354.277398] warn_alloc_show_mem: 1 callbacks suppressed [ 1354.277407] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1354.277409] Mem-Info: [ 1354.277437] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1354.277437] active_file:12 inactive_file:12 isolated_file:0 [ 1354.277437] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1354.277437] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1354.277437] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1354.277437] free:10883 free_pcp:183 free_cma:0 [ 1354.282774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1354.289961] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1354.292348] Call Trace: [ 1354.325496] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1354.334823] dump_stack+0x197/0x210 [ 1354.362290] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1354.364871] warn_alloc.cold+0x7b/0x173 [ 1354.390691] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1354.394352] ? zone_watermark_ok_safe+0x260/0x260 [ 1354.420444] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1354.424424] ? __cpuset_node_allowed+0x136/0x540 [ 1354.429405] lowmem_reserve[]: 0 0 1 1 1 [ 1354.434248] ? __isolate_free_page+0x4c0/0x4c0 [ 1354.463025] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1354.467777] ? wake_all_kswapds+0x14d/0x300 [ 1354.471719] lowmem_reserve[]: 0 0 0 0 0 [ 1354.476569] __alloc_pages_slowpath+0x2214/0x2870 [ 1354.502302] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1354.506647] ? warn_alloc+0x110/0x110 [ 1354.510569] lowmem_reserve[]: 0 0 0 0 0 [ 1354.515412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1354.543241] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1354.547053] ? should_fail+0x14d/0x85c [ 1354.551001] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1354.556552] ? __isolate_free_page+0x4c0/0x4c0 [ 1354.568660] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1354.572673] __alloc_pages_nodemask+0x617/0x750 [ 1354.586694] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1354.591293] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1354.601931] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1354.606597] cache_grow_begin+0x91/0x8c0 [ 1354.622074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1354.622087] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1354.627091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1354.635897] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1354.635905] 269 total pagecache pages [ 1354.639951] ? __cpuset_node_allowed+0x136/0x540 [ 1354.648527] 0 pages in swap cache [ 1354.657376] fallback_alloc+0x1fd/0x2d0 [ 1354.662879] Swap cache stats: add 0, delete 0, find 0/0 [ 1354.662891] Free swap = 0kB [ 1354.671457] ____cache_alloc_node+0x1be/0x1e0 [ 1354.675229] Total swap = 0kB [ 1354.679977] kmem_cache_alloc_node+0xe3/0x710 [ 1354.683399] 1965979 pages RAM [ 1354.687367] __alloc_skb+0xd5/0x5f0 [ 1354.692703] 0 pages HighMem/MovableOnly [ 1354.692710] 341726 pages reserved [ 1354.695726] ? skb_trim+0x190/0x190 [ 1354.700195] 0 pages cma reserved [ 1354.703204] ? check_preemption_disabled+0x48/0x290 [ 1354.707750] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1354.710790] ? lock_acquire+0x16f/0x3f0 [ 1354.714437] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1354.718368] new_skb+0x28/0x1d0 [ 1354.721792] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1354.725411] aoecmd_cfg+0x1b5/0x640 [ 1354.765983] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1354.770301] ? timer_reduce+0x11d0/0x11d0 [ 1354.774448] discover_timer+0x4e/0x60 [ 1354.778240] call_timer_fn+0x18d/0x720 [ 1354.782116] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1354.786788] ? process_timeout+0x40/0x40 [ 1354.790841] ? run_timer_softirq+0x644/0x16a0 [ 1354.795332] ? trace_hardirqs_on+0x67/0x220 [ 1354.799649] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1354.804309] run_timer_softirq+0x64f/0x16a0 [ 1354.808628] ? add_timer+0xbe0/0xbe0 [ 1354.812334] ? kvm_clock_read+0x18/0x30 [ 1354.816298] ? check_preemption_disabled+0x48/0x290 [ 1354.821314] ? sched_clock+0x2e/0x50 [ 1354.825029] __do_softirq+0x25c/0x921 [ 1354.828823] ? preempt_schedule_common+0x4f/0xe0 [ 1354.833578] ? takeover_tasklets+0x7b0/0x7b0 [ 1354.837994] run_ksoftirqd+0x8e/0x110 [ 1354.841783] smpboot_thread_fn+0x6a3/0xa30 [ 1354.846010] ? sort_range+0x30/0x30 [ 1354.849627] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1354.855154] ? __kthread_parkme+0xfb/0x1b0 [ 1354.859382] kthread+0x354/0x420 [ 1354.862738] ? sort_range+0x30/0x30 [ 1354.866354] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1354.871885] ret_from_fork+0x24/0x30 [ 1354.875602] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1354.875661] aoe: skb alloc failure [ 1354.882954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1354.882962] Call Trace: [ 1354.886535] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1354.895823] [ 1354.898393] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1354.908698] dump_stack+0x197/0x210 [ 1354.919260] warn_alloc.cold+0x7b/0x173 [ 1354.923227] ? zone_watermark_ok_safe+0x260/0x260 [ 1354.928062] ? __cpuset_node_allowed+0x136/0x540 [ 1354.932819] ? __isolate_free_page+0x4c0/0x4c0 [ 1354.937396] ? wake_all_kswapds+0x14d/0x300 [ 1354.941733] __alloc_pages_slowpath+0x2214/0x2870 [ 1354.946601] ? warn_alloc+0x110/0x110 [ 1354.950416] ? __lock_acquire+0x6ee/0x49c0 [ 1354.954652] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1354.960186] ? should_fail+0x14d/0x85c [ 1354.964071] ? __isolate_free_page+0x4c0/0x4c0 [ 1354.968656] __alloc_pages_nodemask+0x617/0x750 [ 1354.973327] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1354.978344] ? find_held_lock+0x35/0x130 [ 1354.982399] cache_grow_begin+0x91/0x8c0 [ 1354.986464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1354.991992] ? __cpuset_node_allowed+0x136/0x540 [ 1354.996740] fallback_alloc+0x1fd/0x2d0 [ 1355.000708] ____cache_alloc_node+0x1be/0x1e0 [ 1355.005202] kmem_cache_alloc_node+0xe3/0x710 [ 1355.009700] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1355.013930] __alloc_skb+0xd5/0x5f0 [ 1355.017556] ? skb_trim+0x190/0x190 [ 1355.021177] ? kasan_check_read+0x11/0x20 [ 1355.025321] ndisc_alloc_skb+0x13c/0x340 [ 1355.029376] ndisc_send_rs+0x35f/0x6e0 [ 1355.033272] addrconf_rs_timer+0x30f/0x680 [ 1355.037503] ? ipv6_get_lladdr+0x490/0x490 [ 1355.041736] call_timer_fn+0x18d/0x720 [ 1355.045619] ? ipv6_get_lladdr+0x490/0x490 [ 1355.049845] ? process_timeout+0x40/0x40 [ 1355.053895] ? run_timer_softirq+0x644/0x16a0 [ 1355.058382] ? trace_hardirqs_on+0x67/0x220 [ 1355.062707] ? ipv6_get_lladdr+0x490/0x490 [ 1355.066933] run_timer_softirq+0x64f/0x16a0 [ 1355.071252] ? add_timer+0xbe0/0xbe0 [ 1355.074959] ? __lock_is_held+0xb6/0x140 [ 1355.079027] __do_softirq+0x25c/0x921 [ 1355.082818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1355.088345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1355.093879] irq_exit+0x180/0x1d0 [ 1355.097324] smp_apic_timer_interrupt+0x13b/0x550 [ 1355.102160] apic_timer_interrupt+0xf/0x20 [ 1355.106378] [ 1355.108623] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1355.113196] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1355.132095] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1355.139797] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1355.147057] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1355.154326] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1355.161585] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1355.168845] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1355.176137] percpu_ref_put_many+0x37/0x190 [ 1355.180451] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1355.185543] mem_cgroup_iter+0x907/0xac0 [ 1355.189597] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1355.194344] ? kasan_check_read+0x11/0x20 [ 1355.198493] ? mem_cgroup_protected+0x44/0x380 [ 1355.203064] ? vmpressure+0x19f/0x350 [ 1355.206863] shrink_node+0x402/0x1450 [ 1355.210680] ? shrink_node_memcg+0x13f0/0x13f0 [ 1355.215253] ? kvm_clock_read+0x18/0x30 [ 1355.219217] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1355.224232] ? ktime_get+0x202/0x2f0 [ 1355.227958] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1355.233483] ? __cpuset_node_allowed+0x136/0x540 [ 1355.238235] do_try_to_free_pages+0x3cb/0x11c0 [ 1355.242822] ? shrink_node+0x1450/0x1450 [ 1355.246884] try_to_free_pages+0x2ee/0x7f0 [ 1355.251129] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1355.255977] __alloc_pages_slowpath+0x990/0x2870 [ 1355.260750] ? warn_alloc+0x110/0x110 [ 1355.264554] ? __lock_is_held+0xb6/0x140 [ 1355.268638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1355.274181] ? should_fail+0x14d/0x85c [ 1355.278093] ? __might_sleep+0x95/0x190 [ 1355.282148] __alloc_pages_nodemask+0x617/0x750 [ 1355.286845] ? kasan_check_read+0x11/0x20 [ 1355.290994] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1355.296017] ? find_get_entry+0x3e1/0xa00 [ 1355.300167] ? find_get_pages_contig+0xed0/0xed0 [ 1355.304921] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1355.310456] alloc_pages_current+0x107/0x210 [ 1355.314861] __page_cache_alloc+0x2bd/0x450 [ 1355.319176] ? kasan_check_read+0x11/0x20 [ 1355.323329] filemap_fault+0xfeb/0x1f00 [ 1355.327307] ? lock_downgrade+0x880/0x880 [ 1355.331463] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1355.336125] ? lock_acquire+0x16f/0x3f0 [ 1355.340105] ? ext4_filemap_fault+0x7b/0xaf [ 1355.344424] ext4_filemap_fault+0x83/0xaf [ 1355.348562] __do_fault+0x111/0x480 [ 1355.352183] __handle_mm_fault+0x2d78/0x3f80 [ 1355.356585] ? copy_page_range+0x2030/0x2030 [ 1355.360996] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1355.365656] handle_mm_fault+0x1b5/0x690 [ 1355.369722] __do_page_fault+0x62a/0xe90 [ 1355.373779] ? vmalloc_fault+0x740/0x740 [ 1355.377829] ? trace_hardirqs_off_caller+0x65/0x220 [ 1355.382834] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1355.387752] ? page_fault+0x8/0x30 [ 1355.391287] do_page_fault+0x71/0x57d [ 1355.395077] ? page_fault+0x8/0x30 [ 1355.398628] page_fault+0x1e/0x30 [ 1355.402083] RIP: 0033:0x45b153 [ 1355.405284] Code: Bad RIP value. [ 1355.408639] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1355.413999] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1355.421261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1355.428529] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1355.435791] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1355.443047] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1355.450333] warn_alloc_show_mem: 1 callbacks suppressed [ 1355.450342] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1355.450344] Mem-Info: [ 1355.450373] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1355.450373] active_file:12 inactive_file:12 isolated_file:0 [ 1355.450373] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1355.450373] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1355.450373] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1355.450373] free:10883 free_pcp:183 free_cma:0 [ 1355.455708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1355.462891] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1355.465283] Call Trace: [ 1355.498438] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1355.507780] dump_stack+0x197/0x210 [ 1355.535242] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1355.537828] warn_alloc.cold+0x7b/0x173 [ 1355.563670] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1355.567309] ? zone_watermark_ok_safe+0x260/0x260 [ 1355.593392] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1355.597362] ? __cpuset_node_allowed+0x136/0x540 [ 1355.602346] lowmem_reserve[]: 0 0 1 1 1 [ 1355.607187] ? __isolate_free_page+0x4c0/0x4c0 [ 1355.635969] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1355.640727] ? wake_all_kswapds+0x14d/0x300 [ 1355.644662] lowmem_reserve[]: 0 0 0 0 0 [ 1355.649246] __alloc_pages_slowpath+0x2214/0x2870 [ 1355.674981] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1355.679313] ? warn_alloc+0x110/0x110 [ 1355.683239] lowmem_reserve[]: 0 0 0 0 0 [ 1355.688082] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1355.715906] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1355.719700] ? should_fail+0x14d/0x85c [ 1355.723641] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1355.729179] ? __isolate_free_page+0x4c0/0x4c0 [ 1355.741285] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1355.745181] __alloc_pages_nodemask+0x617/0x750 [ 1355.759194] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1355.763774] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1355.774410] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1355.779076] cache_grow_begin+0x91/0x8c0 [ 1355.794562] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1355.799563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1355.808376] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1355.808389] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1355.812435] ? __cpuset_node_allowed+0x136/0x540 [ 1355.820978] 269 total pagecache pages [ 1355.820998] 0 pages in swap cache [ 1355.826525] fallback_alloc+0x1fd/0x2d0 [ 1355.835336] Swap cache stats: add 0, delete 0, find 0/0 [ 1355.843903] ____cache_alloc_node+0x1be/0x1e0 [ 1355.848638] Free swap = 0kB [ 1355.852429] kmem_cache_alloc_node+0xe3/0x710 [ 1355.855866] Total swap = 0kB [ 1355.859837] __alloc_skb+0xd5/0x5f0 [ 1355.865166] 1965979 pages RAM [ 1355.869660] ? skb_trim+0x190/0x190 [ 1355.872648] 0 pages HighMem/MovableOnly [ 1355.872655] 341726 pages reserved [ 1355.877142] ? check_preemption_disabled+0x48/0x290 [ 1355.880131] 0 pages cma reserved [ 1355.883744] ? lock_acquire+0x16f/0x3f0 [ 1355.886888] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1355.890451] new_skb+0x28/0x1d0 [ 1355.894442] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1355.897838] aoecmd_cfg+0x1b5/0x640 [ 1355.902836] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1355.906194] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1355.942734] ? timer_reduce+0x11d0/0x11d0 [ 1355.946879] discover_timer+0x4e/0x60 [ 1355.950674] call_timer_fn+0x18d/0x720 [ 1355.954557] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1355.959219] ? process_timeout+0x40/0x40 [ 1355.963267] ? run_timer_softirq+0x644/0x16a0 [ 1355.967755] ? trace_hardirqs_on+0x67/0x220 [ 1355.972069] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1355.976733] run_timer_softirq+0x64f/0x16a0 [ 1355.981048] ? add_timer+0xbe0/0xbe0 [ 1355.984752] ? kvm_clock_read+0x18/0x30 [ 1355.988720] ? check_preemption_disabled+0x48/0x290 [ 1355.993725] ? sched_clock+0x2e/0x50 [ 1355.997441] __do_softirq+0x25c/0x921 [ 1356.001230] ? preempt_schedule_common+0x4f/0xe0 [ 1356.005983] ? takeover_tasklets+0x7b0/0x7b0 [ 1356.010381] run_ksoftirqd+0x8e/0x110 [ 1356.014195] smpboot_thread_fn+0x6a3/0xa30 [ 1356.018442] ? sort_range+0x30/0x30 [ 1356.022086] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1356.027638] ? __kthread_parkme+0xfb/0x1b0 [ 1356.031894] kthread+0x354/0x420 [ 1356.035260] ? sort_range+0x30/0x30 [ 1356.038881] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1356.044415] ret_from_fork+0x24/0x30 [ 1356.048135] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1356.048201] aoe: skb alloc failure [ 1356.055508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1356.055513] Call Trace: [ 1356.055519] [ 1356.055535] dump_stack+0x197/0x210 [ 1356.055555] warn_alloc.cold+0x7b/0x173 [ 1356.059115] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1356.068437] ? zone_watermark_ok_safe+0x260/0x260 [ 1356.070991] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1356.073133] ? __cpuset_node_allowed+0x136/0x540 [ 1356.105376] ? __isolate_free_page+0x4c0/0x4c0 [ 1356.109954] ? wake_all_kswapds+0x14d/0x300 [ 1356.114275] __alloc_pages_slowpath+0x2214/0x2870 [ 1356.119127] ? warn_alloc+0x110/0x110 [ 1356.122921] ? __lock_acquire+0x6ee/0x49c0 [ 1356.127155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1356.132680] ? should_fail+0x14d/0x85c [ 1356.136563] ? __isolate_free_page+0x4c0/0x4c0 [ 1356.141146] __alloc_pages_nodemask+0x617/0x750 [ 1356.145812] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1356.150826] ? find_held_lock+0x35/0x130 [ 1356.154885] cache_grow_begin+0x91/0x8c0 [ 1356.158940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1356.164471] ? __cpuset_node_allowed+0x136/0x540 [ 1356.169221] fallback_alloc+0x1fd/0x2d0 [ 1356.173192] ____cache_alloc_node+0x1be/0x1e0 [ 1356.177682] kmem_cache_alloc_node+0xe3/0x710 [ 1356.182166] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1356.186398] __alloc_skb+0xd5/0x5f0 [ 1356.190019] ? skb_trim+0x190/0x190 [ 1356.193637] ? kasan_check_read+0x11/0x20 [ 1356.197784] ndisc_alloc_skb+0x13c/0x340 [ 1356.201839] ndisc_send_rs+0x35f/0x6e0 [ 1356.205720] addrconf_rs_timer+0x30f/0x680 [ 1356.209949] ? ipv6_get_lladdr+0x490/0x490 [ 1356.214184] call_timer_fn+0x18d/0x720 [ 1356.218065] ? ipv6_get_lladdr+0x490/0x490 [ 1356.222291] ? process_timeout+0x40/0x40 [ 1356.226342] ? run_timer_softirq+0x644/0x16a0 [ 1356.230832] ? trace_hardirqs_on+0x67/0x220 [ 1356.235148] ? ipv6_get_lladdr+0x490/0x490 [ 1356.239375] run_timer_softirq+0x64f/0x16a0 [ 1356.243692] ? add_timer+0xbe0/0xbe0 [ 1356.247400] ? __lock_is_held+0xb6/0x140 [ 1356.251461] __do_softirq+0x25c/0x921 [ 1356.255250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1356.260774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1356.266311] irq_exit+0x180/0x1d0 [ 1356.269767] smp_apic_timer_interrupt+0x13b/0x550 [ 1356.274689] apic_timer_interrupt+0xf/0x20 [ 1356.278911] [ 1356.281144] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1356.285718] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1356.304615] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1356.312315] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1356.319572] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1356.326828] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1356.334086] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1356.341344] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1356.348671] percpu_ref_put_many+0x37/0x190 [ 1356.352996] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1356.358119] mem_cgroup_iter+0x907/0xac0 [ 1356.362195] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1356.366947] ? kasan_check_read+0x11/0x20 [ 1356.371093] ? mem_cgroup_protected+0x44/0x380 [ 1356.375681] ? vmpressure+0x19f/0x350 [ 1356.379480] shrink_node+0x402/0x1450 [ 1356.383292] ? shrink_node_memcg+0x13f0/0x13f0 [ 1356.387873] ? kvm_clock_read+0x18/0x30 [ 1356.391842] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1356.396849] ? ktime_get+0x202/0x2f0 [ 1356.400557] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1356.406103] ? __cpuset_node_allowed+0x136/0x540 [ 1356.410967] do_try_to_free_pages+0x3cb/0x11c0 [ 1356.415567] ? shrink_node+0x1450/0x1450 [ 1356.419633] try_to_free_pages+0x2ee/0x7f0 [ 1356.423875] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1356.428724] __alloc_pages_slowpath+0x990/0x2870 [ 1356.433485] ? warn_alloc+0x110/0x110 [ 1356.437286] ? __lock_is_held+0xb6/0x140 [ 1356.441339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1356.446866] ? should_fail+0x14d/0x85c [ 1356.450751] ? __might_sleep+0x95/0x190 [ 1356.454720] __alloc_pages_nodemask+0x617/0x750 [ 1356.459381] ? kasan_check_read+0x11/0x20 [ 1356.463526] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1356.468539] ? find_get_entry+0x3e1/0xa00 [ 1356.472685] ? find_get_pages_contig+0xed0/0xed0 [ 1356.477442] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1356.482985] alloc_pages_current+0x107/0x210 [ 1356.487388] __page_cache_alloc+0x2bd/0x450 [ 1356.491699] ? kasan_check_read+0x11/0x20 [ 1356.495841] filemap_fault+0xfeb/0x1f00 [ 1356.499818] ? lock_downgrade+0x880/0x880 [ 1356.503975] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1356.508640] ? lock_acquire+0x16f/0x3f0 [ 1356.512608] ? ext4_filemap_fault+0x7b/0xaf [ 1356.516931] ext4_filemap_fault+0x83/0xaf [ 1356.521071] __do_fault+0x111/0x480 [ 1356.524690] __handle_mm_fault+0x2d78/0x3f80 [ 1356.529094] ? copy_page_range+0x2030/0x2030 [ 1356.533506] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1356.538174] handle_mm_fault+0x1b5/0x690 [ 1356.542248] __do_page_fault+0x62a/0xe90 [ 1356.546318] ? vmalloc_fault+0x740/0x740 [ 1356.550396] ? trace_hardirqs_off_caller+0x65/0x220 [ 1356.555419] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1356.560351] ? page_fault+0x8/0x30 [ 1356.563892] do_page_fault+0x71/0x57d [ 1356.567688] ? page_fault+0x8/0x30 [ 1356.571224] page_fault+0x1e/0x30 [ 1356.574666] RIP: 0033:0x45b153 [ 1356.577859] Code: Bad RIP value. [ 1356.581210] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1356.586603] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1356.593889] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1356.601156] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1356.608415] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1356.615674] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1356.622957] warn_alloc_show_mem: 1 callbacks suppressed [ 1356.622968] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1356.622970] Mem-Info: [ 1356.622999] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1356.622999] active_file:12 inactive_file:12 isolated_file:0 [ 1356.622999] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1356.622999] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1356.622999] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1356.622999] free:10883 free_pcp:183 free_cma:0 [ 1356.628333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1356.628341] Call Trace: [ 1356.635529] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1356.637933] dump_stack+0x197/0x210 [ 1356.671060] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1356.680393] warn_alloc.cold+0x7b/0x173 [ 1356.682948] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1356.710467] ? zone_watermark_ok_safe+0x260/0x260 [ 1356.714060] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1356.739901] ? __cpuset_node_allowed+0x136/0x540 [ 1356.739924] ? __isolate_free_page+0x4c0/0x4c0 [ 1356.743871] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1356.769983] ? wake_all_kswapds+0x14d/0x300 [ 1356.775178] lowmem_reserve[]: 0 0 1 1 1 [ 1356.780193] __alloc_pages_slowpath+0x2214/0x2870 [ 1356.784926] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1356.789517] ? warn_alloc+0x110/0x110 [ 1356.818279] lowmem_reserve[]: 0 0 0 0 0 [ 1356.822613] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1356.826560] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1356.831405] ? should_fail+0x14d/0x85c [ 1356.857148] lowmem_reserve[]: 0 0 0 0 0 [ 1356.860953] ? __isolate_free_page+0x4c0/0x4c0 [ 1356.864896] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1356.870441] __alloc_pages_nodemask+0x617/0x750 [ 1356.898817] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1356.902710] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1356.906650] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1356.911239] cache_grow_begin+0x91/0x8c0 [ 1356.923334] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1356.928013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1356.942043] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1356.947044] ? __cpuset_node_allowed+0x136/0x540 [ 1356.957686] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1356.957698] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1356.961745] fallback_alloc+0x1fd/0x2d0 [ 1356.977802] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1356.977811] 269 total pagecache pages [ 1356.983343] ____cache_alloc_node+0x1be/0x1e0 [ 1356.992156] 0 pages in swap cache [ 1356.996897] kmem_cache_alloc_node+0xe3/0x710 [ 1357.005451] Swap cache stats: add 0, delete 0, find 0/0 [ 1357.014283] __alloc_skb+0xd5/0x5f0 [ 1357.018224] Free swap = 0kB [ 1357.026788] ? skb_trim+0x190/0x190 [ 1357.030571] Total swap = 0kB [ 1357.030579] 1965979 pages RAM [ 1357.035068] ? check_preemption_disabled+0x48/0x290 [ 1357.038493] 0 pages HighMem/MovableOnly [ 1357.042978] ? lock_acquire+0x16f/0x3f0 [ 1357.048325] 341726 pages reserved [ 1357.048332] 0 pages cma reserved [ 1357.051958] new_skb+0x28/0x1d0 [ 1357.055025] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1357.058569] aoecmd_cfg+0x1b5/0x640 [ 1357.061614] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1357.064662] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1357.069652] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1357.073625] ? timer_reduce+0x11d0/0x11d0 [ 1357.121141] discover_timer+0x4e/0x60 [ 1357.124937] call_timer_fn+0x18d/0x720 [ 1357.128819] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1357.133482] ? process_timeout+0x40/0x40 [ 1357.137544] ? run_timer_softirq+0x644/0x16a0 [ 1357.142050] ? trace_hardirqs_on+0x67/0x220 [ 1357.146369] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1357.151030] run_timer_softirq+0x64f/0x16a0 [ 1357.155347] ? add_timer+0xbe0/0xbe0 [ 1357.159048] ? kvm_clock_read+0x18/0x30 [ 1357.163015] ? check_preemption_disabled+0x48/0x290 [ 1357.168020] ? sched_clock+0x2e/0x50 [ 1357.171737] __do_softirq+0x25c/0x921 [ 1357.175529] ? preempt_schedule_common+0x4f/0xe0 [ 1357.180293] ? takeover_tasklets+0x7b0/0x7b0 [ 1357.184694] run_ksoftirqd+0x8e/0x110 [ 1357.188491] smpboot_thread_fn+0x6a3/0xa30 [ 1357.192721] ? sort_range+0x30/0x30 [ 1357.196337] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1357.201875] ? __kthread_parkme+0xfb/0x1b0 [ 1357.206107] kthread+0x354/0x420 [ 1357.209462] ? sort_range+0x30/0x30 [ 1357.213088] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1357.218616] ret_from_fork+0x24/0x30 [ 1357.222344] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1357.222418] aoe: skb alloc failure [ 1357.229704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1357.229709] Call Trace: [ 1357.229715] [ 1357.229730] dump_stack+0x197/0x210 [ 1357.229748] warn_alloc.cold+0x7b/0x173 [ 1357.233287] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1357.242610] ? zone_watermark_ok_safe+0x260/0x260 [ 1357.245168] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1357.247311] ? __cpuset_node_allowed+0x136/0x540 [ 1357.279543] ? __isolate_free_page+0x4c0/0x4c0 [ 1357.284117] ? wake_all_kswapds+0x14d/0x300 [ 1357.288440] __alloc_pages_slowpath+0x2214/0x2870 [ 1357.293293] ? warn_alloc+0x110/0x110 [ 1357.297086] ? __lock_acquire+0x6ee/0x49c0 [ 1357.301311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1357.306838] ? should_fail+0x14d/0x85c [ 1357.310720] ? __isolate_free_page+0x4c0/0x4c0 [ 1357.315299] __alloc_pages_nodemask+0x617/0x750 [ 1357.319967] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1357.324993] ? find_held_lock+0x35/0x130 [ 1357.329050] cache_grow_begin+0x91/0x8c0 [ 1357.333102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1357.338629] ? __cpuset_node_allowed+0x136/0x540 [ 1357.343375] fallback_alloc+0x1fd/0x2d0 [ 1357.347355] ____cache_alloc_node+0x1be/0x1e0 [ 1357.351852] kmem_cache_alloc_node+0xe3/0x710 [ 1357.356344] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1357.360574] __alloc_skb+0xd5/0x5f0 [ 1357.364195] ? skb_trim+0x190/0x190 [ 1357.367818] ? kasan_check_read+0x11/0x20 [ 1357.371971] ndisc_alloc_skb+0x13c/0x340 [ 1357.376027] ndisc_send_rs+0x35f/0x6e0 [ 1357.379912] addrconf_rs_timer+0x30f/0x680 [ 1357.384145] ? ipv6_get_lladdr+0x490/0x490 [ 1357.388377] call_timer_fn+0x18d/0x720 [ 1357.392257] ? ipv6_get_lladdr+0x490/0x490 [ 1357.396482] ? process_timeout+0x40/0x40 [ 1357.400530] ? run_timer_softirq+0x644/0x16a0 [ 1357.405149] ? trace_hardirqs_on+0x67/0x220 [ 1357.409477] ? ipv6_get_lladdr+0x490/0x490 [ 1357.413717] run_timer_softirq+0x64f/0x16a0 [ 1357.418046] ? add_timer+0xbe0/0xbe0 [ 1357.421760] ? __lock_is_held+0xb6/0x140 [ 1357.425842] __do_softirq+0x25c/0x921 [ 1357.429644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1357.435178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1357.440750] irq_exit+0x180/0x1d0 [ 1357.444203] smp_apic_timer_interrupt+0x13b/0x550 [ 1357.449041] apic_timer_interrupt+0xf/0x20 [ 1357.453263] [ 1357.455498] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1357.460077] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1357.478966] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1357.486666] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1357.493931] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1357.501188] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1357.508451] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1357.515713] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1357.523000] percpu_ref_put_many+0x37/0x190 [ 1357.527316] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1357.532410] mem_cgroup_iter+0x907/0xac0 [ 1357.536467] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1357.541214] ? kasan_check_read+0x11/0x20 [ 1357.545350] ? mem_cgroup_protected+0x44/0x380 [ 1357.549922] ? vmpressure+0x19f/0x350 [ 1357.553717] shrink_node+0x402/0x1450 [ 1357.557521] ? shrink_node_memcg+0x13f0/0x13f0 [ 1357.562092] ? kvm_clock_read+0x18/0x30 [ 1357.566056] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1357.571063] ? ktime_get+0x202/0x2f0 [ 1357.574788] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1357.580321] ? __cpuset_node_allowed+0x136/0x540 [ 1357.585084] do_try_to_free_pages+0x3cb/0x11c0 [ 1357.589678] ? shrink_node+0x1450/0x1450 [ 1357.593742] try_to_free_pages+0x2ee/0x7f0 [ 1357.597975] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1357.602828] __alloc_pages_slowpath+0x990/0x2870 [ 1357.607591] ? warn_alloc+0x110/0x110 [ 1357.611383] ? __lock_is_held+0xb6/0x140 [ 1357.615436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1357.620985] ? should_fail+0x14d/0x85c [ 1357.624891] ? __might_sleep+0x95/0x190 [ 1357.628874] __alloc_pages_nodemask+0x617/0x750 [ 1357.633566] ? kasan_check_read+0x11/0x20 [ 1357.637727] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1357.642740] ? find_get_entry+0x3e1/0xa00 [ 1357.646888] ? find_get_pages_contig+0xed0/0xed0 [ 1357.651660] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1357.657203] alloc_pages_current+0x107/0x210 [ 1357.661607] __page_cache_alloc+0x2bd/0x450 [ 1357.665917] ? kasan_check_read+0x11/0x20 [ 1357.670061] filemap_fault+0xfeb/0x1f00 [ 1357.674026] ? lock_downgrade+0x880/0x880 [ 1357.678172] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1357.682845] ? lock_acquire+0x16f/0x3f0 [ 1357.686810] ? ext4_filemap_fault+0x7b/0xaf [ 1357.691133] ext4_filemap_fault+0x83/0xaf [ 1357.695273] __do_fault+0x111/0x480 [ 1357.698891] __handle_mm_fault+0x2d78/0x3f80 [ 1357.703292] ? copy_page_range+0x2030/0x2030 [ 1357.707706] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1357.712370] handle_mm_fault+0x1b5/0x690 [ 1357.716436] __do_page_fault+0x62a/0xe90 [ 1357.720501] ? vmalloc_fault+0x740/0x740 [ 1357.724563] ? trace_hardirqs_off_caller+0x65/0x220 [ 1357.729569] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1357.734489] ? page_fault+0x8/0x30 [ 1357.738023] do_page_fault+0x71/0x57d [ 1357.741811] ? page_fault+0x8/0x30 [ 1357.745350] page_fault+0x1e/0x30 [ 1357.748797] RIP: 0033:0x45b153 [ 1357.751996] Code: Bad RIP value. [ 1357.755347] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1357.760698] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1357.767955] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1357.775211] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1357.782488] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1357.789757] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1357.797047] warn_alloc_show_mem: 1 callbacks suppressed [ 1357.797057] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1357.797059] Mem-Info: [ 1357.797089] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1357.797089] active_file:12 inactive_file:12 isolated_file:0 [ 1357.797089] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1357.797089] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1357.797089] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1357.797089] free:10883 free_pcp:183 free_cma:0 [ 1357.802427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1357.809615] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1357.812007] Call Trace: [ 1357.845932] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1357.855271] dump_stack+0x197/0x210 [ 1357.882745] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1357.885350] warn_alloc.cold+0x7b/0x173 [ 1357.911183] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1357.914811] ? zone_watermark_ok_safe+0x260/0x260 [ 1357.940914] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1357.944903] ? __cpuset_node_allowed+0x136/0x540 [ 1357.949893] lowmem_reserve[]: 0 0 1 1 1 [ 1357.954741] ? __isolate_free_page+0x4c0/0x4c0 [ 1357.983523] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1357.988552] ? wake_all_kswapds+0x14d/0x300 [ 1357.992498] lowmem_reserve[]: 0 0 0 0 0 [ 1357.997092] __alloc_pages_slowpath+0x2214/0x2870 [ 1358.022920] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1358.027265] ? warn_alloc+0x110/0x110 [ 1358.031205] lowmem_reserve[]: 0 0 0 0 0 [ 1358.036051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1358.063883] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1358.067688] ? should_fail+0x14d/0x85c [ 1358.071638] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1358.077185] ? __isolate_free_page+0x4c0/0x4c0 [ 1358.089299] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1358.093211] __alloc_pages_nodemask+0x617/0x750 [ 1358.107236] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1358.111839] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1358.122733] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1358.127399] cache_grow_begin+0x91/0x8c0 [ 1358.143064] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1358.148071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1358.156884] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1358.160931] ? __cpuset_node_allowed+0x136/0x540 [ 1358.169486] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1358.175022] fallback_alloc+0x1fd/0x2d0 [ 1358.183854] 269 total pagecache pages [ 1358.188721] ____cache_alloc_node+0x1be/0x1e0 [ 1358.197277] 0 pages in swap cache [ 1358.201247] kmem_cache_alloc_node+0xe3/0x710 [ 1358.205032] Swap cache stats: add 0, delete 0, find 0/0 [ 1358.209522] __alloc_skb+0xd5/0x5f0 [ 1358.212948] Free swap = 0kB [ 1358.217433] ? skb_trim+0x190/0x190 [ 1358.222777] Total swap = 0kB [ 1358.222787] 1965979 pages RAM [ 1358.226586] ? check_preemption_disabled+0x48/0x290 [ 1358.229570] 0 pages HighMem/MovableOnly [ 1358.229577] 341726 pages reserved [ 1358.233197] ? lock_acquire+0x16f/0x3f0 [ 1358.236201] 0 pages cma reserved [ 1358.239302] new_skb+0x28/0x1d0 [ 1358.245302] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1358.249213] aoecmd_cfg+0x1b5/0x640 [ 1358.252690] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1358.256616] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1358.259956] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1358.263242] ? timer_reduce+0x11d0/0x11d0 [ 1358.296739] discover_timer+0x4e/0x60 [ 1358.300534] call_timer_fn+0x18d/0x720 [ 1358.304426] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1358.309088] ? process_timeout+0x40/0x40 [ 1358.313142] ? run_timer_softirq+0x644/0x16a0 [ 1358.317633] ? trace_hardirqs_on+0x67/0x220 [ 1358.321962] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1358.326625] run_timer_softirq+0x64f/0x16a0 [ 1358.330945] ? add_timer+0xbe0/0xbe0 [ 1358.334650] ? kvm_clock_read+0x18/0x30 [ 1358.338619] ? check_preemption_disabled+0x48/0x290 [ 1358.343626] ? sched_clock+0x2e/0x50 [ 1358.347359] __do_softirq+0x25c/0x921 [ 1358.351151] ? preempt_schedule_common+0x4f/0xe0 [ 1358.355910] ? takeover_tasklets+0x7b0/0x7b0 [ 1358.360314] run_ksoftirqd+0x8e/0x110 [ 1358.364108] smpboot_thread_fn+0x6a3/0xa30 [ 1358.368353] ? sort_range+0x30/0x30 [ 1358.371982] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1358.377513] ? __kthread_parkme+0xfb/0x1b0 [ 1358.381746] kthread+0x354/0x420 [ 1358.385104] ? sort_range+0x30/0x30 [ 1358.388724] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1358.394255] ret_from_fork+0x24/0x30 [ 1358.397976] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1358.398102] aoe: skb alloc failure [ 1358.405347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1358.405352] Call Trace: [ 1358.405358] [ 1358.405375] dump_stack+0x197/0x210 [ 1358.405393] warn_alloc.cold+0x7b/0x173 [ 1358.408934] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1358.418289] ? zone_watermark_ok_safe+0x260/0x260 [ 1358.420849] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1358.422993] ? __cpuset_node_allowed+0x136/0x540 [ 1358.455568] ? __isolate_free_page+0x4c0/0x4c0 [ 1358.460145] ? wake_all_kswapds+0x14d/0x300 [ 1358.464467] __alloc_pages_slowpath+0x2214/0x2870 [ 1358.469322] ? warn_alloc+0x110/0x110 [ 1358.473130] ? __lock_acquire+0x6ee/0x49c0 [ 1358.477357] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1358.482890] ? should_fail+0x14d/0x85c [ 1358.486786] ? __isolate_free_page+0x4c0/0x4c0 [ 1358.491898] __alloc_pages_nodemask+0x617/0x750 [ 1358.496593] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1358.501618] ? find_held_lock+0x35/0x130 [ 1358.505702] cache_grow_begin+0x91/0x8c0 [ 1358.509787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1358.515452] ? __cpuset_node_allowed+0x136/0x540 [ 1358.520217] fallback_alloc+0x1fd/0x2d0 [ 1358.524209] ____cache_alloc_node+0x1be/0x1e0 [ 1358.528703] kmem_cache_alloc_node+0xe3/0x710 [ 1358.533293] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1358.537527] __alloc_skb+0xd5/0x5f0 [ 1358.541161] ? skb_trim+0x190/0x190 [ 1358.544791] ? kasan_check_read+0x11/0x20 [ 1358.548948] ndisc_alloc_skb+0x13c/0x340 [ 1358.553020] ndisc_send_rs+0x35f/0x6e0 [ 1358.556923] addrconf_rs_timer+0x30f/0x680 [ 1358.561182] ? ipv6_get_lladdr+0x490/0x490 [ 1358.565419] call_timer_fn+0x18d/0x720 [ 1358.569313] ? ipv6_get_lladdr+0x490/0x490 [ 1358.573558] ? process_timeout+0x40/0x40 [ 1358.577749] ? run_timer_softirq+0x644/0x16a0 [ 1358.582255] ? trace_hardirqs_on+0x67/0x220 [ 1358.586590] ? ipv6_get_lladdr+0x490/0x490 [ 1358.590845] run_timer_softirq+0x64f/0x16a0 [ 1358.595169] ? add_timer+0xbe0/0xbe0 [ 1358.598913] ? __lock_is_held+0xb6/0x140 [ 1358.602978] __do_softirq+0x25c/0x921 [ 1358.606774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1358.612314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1358.617872] irq_exit+0x180/0x1d0 [ 1358.621323] smp_apic_timer_interrupt+0x13b/0x550 [ 1358.626162] apic_timer_interrupt+0xf/0x20 [ 1358.630393] [ 1358.632626] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1358.637217] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1358.656253] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1358.663962] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1358.671221] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1358.678481] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1358.685741] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1358.693004] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1358.700313] percpu_ref_put_many+0x37/0x190 [ 1358.704630] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1358.709748] mem_cgroup_iter+0x907/0xac0 [ 1358.713815] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1358.718583] ? kasan_check_read+0x11/0x20 [ 1358.722756] ? mem_cgroup_protected+0x44/0x380 [ 1358.727362] ? vmpressure+0x19f/0x350 [ 1358.731180] shrink_node+0x402/0x1450 [ 1358.734996] ? shrink_node_memcg+0x13f0/0x13f0 [ 1358.739573] ? kvm_clock_read+0x18/0x30 [ 1358.743542] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1358.748556] ? ktime_get+0x202/0x2f0 [ 1358.752266] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1358.758144] ? __cpuset_node_allowed+0x136/0x540 [ 1358.763079] do_try_to_free_pages+0x3cb/0x11c0 [ 1358.767688] ? shrink_node+0x1450/0x1450 [ 1358.771777] try_to_free_pages+0x2ee/0x7f0 [ 1358.776536] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1358.781392] __alloc_pages_slowpath+0x990/0x2870 [ 1358.786160] ? warn_alloc+0x110/0x110 [ 1358.789982] ? __lock_is_held+0xb6/0x140 [ 1358.794065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1358.799609] ? should_fail+0x14d/0x85c [ 1358.803502] ? __might_sleep+0x95/0x190 [ 1358.807478] __alloc_pages_nodemask+0x617/0x750 [ 1358.812155] ? kasan_check_read+0x11/0x20 [ 1358.816302] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1358.821312] ? find_get_entry+0x3e1/0xa00 [ 1358.825457] ? find_get_pages_contig+0xed0/0xed0 [ 1358.830207] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1358.835746] alloc_pages_current+0x107/0x210 [ 1358.840154] __page_cache_alloc+0x2bd/0x450 [ 1358.844480] ? kasan_check_read+0x11/0x20 [ 1358.848634] filemap_fault+0xfeb/0x1f00 [ 1358.852946] ? lock_downgrade+0x880/0x880 [ 1358.857099] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1358.861792] ? lock_acquire+0x16f/0x3f0 [ 1358.865787] ? ext4_filemap_fault+0x7b/0xaf [ 1358.870141] ext4_filemap_fault+0x83/0xaf [ 1358.874295] __do_fault+0x111/0x480 [ 1358.877937] __handle_mm_fault+0x2d78/0x3f80 [ 1358.882573] ? copy_page_range+0x2030/0x2030 [ 1358.886995] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1358.891680] handle_mm_fault+0x1b5/0x690 [ 1358.895761] __do_page_fault+0x62a/0xe90 [ 1358.899828] ? vmalloc_fault+0x740/0x740 [ 1358.903918] ? trace_hardirqs_off_caller+0x65/0x220 [ 1358.908942] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1358.913878] ? page_fault+0x8/0x30 [ 1358.917433] do_page_fault+0x71/0x57d [ 1358.921226] ? page_fault+0x8/0x30 [ 1358.924759] page_fault+0x1e/0x30 [ 1358.928223] RIP: 0033:0x45b153 [ 1358.931421] Code: Bad RIP value. [ 1358.934775] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1358.940137] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1358.947397] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1358.954656] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1358.961917] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1358.969178] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1358.976455] warn_alloc_show_mem: 1 callbacks suppressed [ 1358.976465] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1358.976467] Mem-Info: [ 1358.976495] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1358.976495] active_file:12 inactive_file:12 isolated_file:0 [ 1358.976495] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1358.976495] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1358.976495] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1358.976495] free:10883 free_pcp:183 free_cma:0 [ 1358.981852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1358.989039] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1358.991434] Call Trace: [ 1359.024576] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1359.033933] dump_stack+0x197/0x210 [ 1359.061404] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1359.063991] warn_alloc.cold+0x7b/0x173 [ 1359.089827] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1359.093455] ? zone_watermark_ok_safe+0x260/0x260 [ 1359.119623] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1359.123612] ? __cpuset_node_allowed+0x136/0x540 [ 1359.128607] lowmem_reserve[]: 0 0 1 1 1 [ 1359.133457] ? __isolate_free_page+0x4c0/0x4c0 [ 1359.162230] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1359.166994] ? wake_all_kswapds+0x14d/0x300 [ 1359.170938] lowmem_reserve[]: 0 0 0 0 0 [ 1359.175538] __alloc_pages_slowpath+0x2214/0x2870 [ 1359.201286] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1359.205623] ? warn_alloc+0x110/0x110 [ 1359.209553] lowmem_reserve[]: 0 0 0 0 0 [ 1359.214393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1359.242212] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1359.246015] ? should_fail+0x14d/0x85c [ 1359.249961] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1359.255522] ? __isolate_free_page+0x4c0/0x4c0 [ 1359.267647] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1359.271550] __alloc_pages_nodemask+0x617/0x750 [ 1359.285656] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1359.290266] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1359.300899] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1359.305578] cache_grow_begin+0x91/0x8c0 [ 1359.321085] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1359.326102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1359.335018] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1359.339089] ? __cpuset_node_allowed+0x136/0x540 [ 1359.347654] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1359.353194] fallback_alloc+0x1fd/0x2d0 [ 1359.362043] 269 total pagecache pages [ 1359.366882] ____cache_alloc_node+0x1be/0x1e0 [ 1359.375406] 0 pages in swap cache [ 1359.379490] kmem_cache_alloc_node+0xe3/0x710 [ 1359.383367] Swap cache stats: add 0, delete 0, find 0/0 [ 1359.387871] __alloc_skb+0xd5/0x5f0 [ 1359.391300] Free swap = 0kB [ 1359.395797] ? skb_trim+0x190/0x190 [ 1359.401148] Total swap = 0kB [ 1359.404780] ? check_preemption_disabled+0x48/0x290 [ 1359.407786] 1965979 pages RAM [ 1359.411423] ? lock_acquire+0x16f/0x3f0 [ 1359.414430] 0 pages HighMem/MovableOnly [ 1359.414438] 341726 pages reserved [ 1359.419456] new_skb+0x28/0x1d0 [ 1359.422546] 0 pages cma reserved [ 1359.426512] aoecmd_cfg+0x1b5/0x640 [ 1359.430528] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1359.433935] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1359.437257] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1359.440571] ? timer_reduce+0x11d0/0x11d0 [ 1359.444199] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1359.450727] discover_timer+0x4e/0x60 [ 1359.477920] call_timer_fn+0x18d/0x720 [ 1359.481812] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1359.486479] ? process_timeout+0x40/0x40 [ 1359.490549] ? run_timer_softirq+0x644/0x16a0 [ 1359.495057] ? trace_hardirqs_on+0x67/0x220 [ 1359.499387] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1359.504061] run_timer_softirq+0x64f/0x16a0 [ 1359.508400] ? add_timer+0xbe0/0xbe0 [ 1359.512119] ? kvm_clock_read+0x18/0x30 [ 1359.516100] ? check_preemption_disabled+0x48/0x290 [ 1359.521119] ? sched_clock+0x2e/0x50 [ 1359.524869] __do_softirq+0x25c/0x921 [ 1359.528680] ? preempt_schedule_common+0x4f/0xe0 [ 1359.533452] ? takeover_tasklets+0x7b0/0x7b0 [ 1359.537891] run_ksoftirqd+0x8e/0x110 [ 1359.541709] smpboot_thread_fn+0x6a3/0xa30 [ 1359.545949] ? sort_range+0x30/0x30 [ 1359.549572] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1359.555106] ? __kthread_parkme+0xfb/0x1b0 [ 1359.559343] kthread+0x354/0x420 [ 1359.562722] ? sort_range+0x30/0x30 [ 1359.566363] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1359.571912] ret_from_fork+0x24/0x30 [ 1359.575651] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1359.575715] aoe: skb alloc failure [ 1359.583033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1359.583044] Call Trace: [ 1359.586679] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1359.595993] [ 1359.596017] dump_stack+0x197/0x210 [ 1359.598581] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1359.609512] warn_alloc.cold+0x7b/0x173 [ 1359.624078] ? zone_watermark_ok_safe+0x260/0x260 [ 1359.628932] ? __cpuset_node_allowed+0x136/0x540 [ 1359.633710] ? __isolate_free_page+0x4c0/0x4c0 [ 1359.638306] ? wake_all_kswapds+0x14d/0x300 [ 1359.642637] __alloc_pages_slowpath+0x2214/0x2870 [ 1359.647522] ? warn_alloc+0x110/0x110 [ 1359.651323] ? __lock_acquire+0x6ee/0x49c0 [ 1359.655686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1359.661246] ? should_fail+0x14d/0x85c [ 1359.665152] ? __isolate_free_page+0x4c0/0x4c0 [ 1359.669786] __alloc_pages_nodemask+0x617/0x750 [ 1359.674515] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1359.679546] ? find_held_lock+0x35/0x130 [ 1359.683610] cache_grow_begin+0x91/0x8c0 [ 1359.687672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1359.693201] ? __cpuset_node_allowed+0x136/0x540 [ 1359.697951] fallback_alloc+0x1fd/0x2d0 [ 1359.701921] ____cache_alloc_node+0x1be/0x1e0 [ 1359.706411] kmem_cache_alloc+0x1f3/0x700 [ 1359.710553] ? mark_held_locks+0xb1/0x100 [ 1359.714711] ? __netdev_alloc_skb+0x370/0x470 [ 1359.719201] __build_skb+0x3e/0x310 [ 1359.722831] __netdev_alloc_skb+0x2ba/0x470 [ 1359.727151] send_hsr_supervision_frame+0x110/0xf30 [ 1359.732160] ? lock_acquire+0x16f/0x3f0 [ 1359.736132] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1359.741143] hsr_announce+0x12f/0x3b0 [ 1359.744938] call_timer_fn+0x18d/0x720 [ 1359.748834] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1359.754015] ? process_timeout+0x40/0x40 [ 1359.758069] ? run_timer_softirq+0x644/0x16a0 [ 1359.762573] ? trace_hardirqs_on+0x67/0x220 [ 1359.766906] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1359.772093] run_timer_softirq+0x64f/0x16a0 [ 1359.776499] ? add_timer+0xbe0/0xbe0 [ 1359.780221] ? __lock_is_held+0xb6/0x140 [ 1359.784286] __do_softirq+0x25c/0x921 [ 1359.788098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1359.793657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1359.799322] irq_exit+0x180/0x1d0 [ 1359.802784] smp_apic_timer_interrupt+0x13b/0x550 [ 1359.807636] apic_timer_interrupt+0xf/0x20 [ 1359.811860] [ 1359.814096] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1359.818675] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1359.837569] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1359.845275] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1359.852536] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1359.859801] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1359.867063] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1359.874322] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1359.881627] percpu_ref_put_many+0x37/0x190 [ 1359.885960] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1359.891056] mem_cgroup_iter+0x907/0xac0 [ 1359.895115] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1359.900560] ? kasan_check_read+0x11/0x20 [ 1359.904710] ? mem_cgroup_protected+0x44/0x380 [ 1359.909292] ? vmpressure+0x19f/0x350 [ 1359.913089] shrink_node+0x402/0x1450 [ 1359.916898] ? shrink_node_memcg+0x13f0/0x13f0 [ 1359.921471] ? kvm_clock_read+0x18/0x30 [ 1359.925450] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1359.930460] ? ktime_get+0x202/0x2f0 [ 1359.934181] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1359.939721] ? __cpuset_node_allowed+0x136/0x540 [ 1359.944503] do_try_to_free_pages+0x3cb/0x11c0 [ 1359.949115] ? shrink_node+0x1450/0x1450 [ 1359.953201] try_to_free_pages+0x2ee/0x7f0 [ 1359.957453] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1359.962344] __alloc_pages_slowpath+0x990/0x2870 [ 1359.967115] ? warn_alloc+0x110/0x110 [ 1359.970917] ? __lock_is_held+0xb6/0x140 [ 1359.974979] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1359.980525] ? should_fail+0x14d/0x85c [ 1359.984419] ? __might_sleep+0x95/0x190 [ 1359.988392] __alloc_pages_nodemask+0x617/0x750 [ 1359.993165] ? kasan_check_read+0x11/0x20 [ 1359.997323] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1360.002332] ? find_get_entry+0x3e1/0xa00 [ 1360.006477] ? find_get_pages_contig+0xed0/0xed0 [ 1360.011228] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1360.016934] alloc_pages_current+0x107/0x210 [ 1360.021338] __page_cache_alloc+0x2bd/0x450 [ 1360.025654] ? kasan_check_read+0x11/0x20 [ 1360.029796] filemap_fault+0xfeb/0x1f00 [ 1360.033767] ? lock_downgrade+0x880/0x880 [ 1360.037917] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1360.042583] ? lock_acquire+0x16f/0x3f0 [ 1360.046580] ? ext4_filemap_fault+0x7b/0xaf [ 1360.050905] ext4_filemap_fault+0x83/0xaf [ 1360.055044] __do_fault+0x111/0x480 [ 1360.058678] __handle_mm_fault+0x2d78/0x3f80 [ 1360.063081] ? copy_page_range+0x2030/0x2030 [ 1360.067494] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1360.072157] handle_mm_fault+0x1b5/0x690 [ 1360.076222] __do_page_fault+0x62a/0xe90 [ 1360.080280] ? vmalloc_fault+0x740/0x740 [ 1360.084351] ? trace_hardirqs_off_caller+0x65/0x220 [ 1360.089373] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1360.094303] ? page_fault+0x8/0x30 [ 1360.097840] do_page_fault+0x71/0x57d [ 1360.101643] ? page_fault+0x8/0x30 [ 1360.105178] page_fault+0x1e/0x30 [ 1360.108621] RIP: 0033:0x45b153 [ 1360.111872] Code: Bad RIP value. [ 1360.115233] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1360.120589] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1360.127850] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1360.135117] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1360.142381] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1360.149643] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1360.156921] warn_alloc_show_mem: 1 callbacks suppressed [ 1360.156931] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1360.156933] Mem-Info: [ 1360.156961] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1360.156961] active_file:12 inactive_file:12 isolated_file:0 [ 1360.156961] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1360.156961] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1360.156961] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1360.156961] free:10883 free_pcp:183 free_cma:0 [ 1360.162300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1360.169501] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1360.171896] Call Trace: [ 1360.205051] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1360.214385] dump_stack+0x197/0x210 [ 1360.241868] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1360.244460] warn_alloc.cold+0x7b/0x173 [ 1360.270275] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1360.273908] ? zone_watermark_ok_safe+0x260/0x260 [ 1360.299989] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1360.303958] ? __cpuset_node_allowed+0x136/0x540 [ 1360.308946] lowmem_reserve[]: 0 0 1 1 1 [ 1360.313801] ? __isolate_free_page+0x4c0/0x4c0 [ 1360.342590] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1360.347357] ? wake_all_kswapds+0x14d/0x300 [ 1360.351313] lowmem_reserve[]: 0 0 0 0 0 [ 1360.355904] __alloc_pages_slowpath+0x2214/0x2870 [ 1360.381979] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1360.386314] ? warn_alloc+0x110/0x110 [ 1360.390245] lowmem_reserve[]: 0 0 0 0 0 [ 1360.395098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1360.422921] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1360.426732] ? should_fail+0x14d/0x85c [ 1360.430699] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1360.436245] ? __isolate_free_page+0x4c0/0x4c0 [ 1360.448354] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1360.452246] __alloc_pages_nodemask+0x617/0x750 [ 1360.466258] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1360.470853] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1360.481488] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1360.486166] cache_grow_begin+0x91/0x8c0 [ 1360.501678] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1360.506683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1360.515526] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1360.519578] ? __cpuset_node_allowed+0x136/0x540 [ 1360.528146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1360.533669] fallback_alloc+0x1fd/0x2d0 [ 1360.542479] 269 total pagecache pages [ 1360.547231] ____cache_alloc_node+0x1be/0x1e0 [ 1360.555785] 0 pages in swap cache [ 1360.559748] kmem_cache_alloc_node+0xe3/0x710 [ 1360.563532] Swap cache stats: add 0, delete 0, find 0/0 [ 1360.563539] Free swap = 0kB [ 1360.568031] __alloc_skb+0xd5/0x5f0 [ 1360.571458] Total swap = 0kB [ 1360.575957] ? skb_trim+0x190/0x190 [ 1360.581473] 1965979 pages RAM [ 1360.584497] ? check_preemption_disabled+0x48/0x290 [ 1360.588104] 0 pages HighMem/MovableOnly [ 1360.588113] 341726 pages reserved [ 1360.591141] ? lock_acquire+0x16f/0x3f0 [ 1360.594744] 0 pages cma reserved [ 1360.597851] new_skb+0x28/0x1d0 [ 1360.603173] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1360.606817] aoecmd_cfg+0x1b5/0x640 [ 1360.610335] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1360.614315] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1360.643969] ? timer_reduce+0x11d0/0x11d0 [ 1360.648120] discover_timer+0x4e/0x60 [ 1360.651927] call_timer_fn+0x18d/0x720 [ 1360.657200] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1360.661890] ? process_timeout+0x40/0x40 [ 1360.665960] ? run_timer_softirq+0x644/0x16a0 [ 1360.670472] ? trace_hardirqs_on+0x67/0x220 [ 1360.674810] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1360.679509] run_timer_softirq+0x64f/0x16a0 [ 1360.683850] ? add_timer+0xbe0/0xbe0 [ 1360.687602] ? kvm_clock_read+0x18/0x30 [ 1360.691577] ? check_preemption_disabled+0x48/0x290 [ 1360.696605] ? sched_clock+0x2e/0x50 [ 1360.700328] __do_softirq+0x25c/0x921 [ 1360.704122] ? preempt_schedule_common+0x4f/0xe0 [ 1360.708881] ? takeover_tasklets+0x7b0/0x7b0 [ 1360.713283] run_ksoftirqd+0x8e/0x110 [ 1360.717083] smpboot_thread_fn+0x6a3/0xa30 [ 1360.721314] ? sort_range+0x30/0x30 [ 1360.724949] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1360.730480] ? __kthread_parkme+0xfb/0x1b0 [ 1360.734734] kthread+0x354/0x420 [ 1360.738104] ? sort_range+0x30/0x30 [ 1360.741724] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1360.747252] ret_from_fork+0x24/0x30 [ 1360.750972] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1360.751035] aoe: skb alloc failure [ 1360.758337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1360.758342] Call Trace: [ 1360.758348] [ 1360.758364] dump_stack+0x197/0x210 [ 1360.758381] warn_alloc.cold+0x7b/0x173 [ 1360.761946] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1360.771295] ? zone_watermark_ok_safe+0x260/0x260 [ 1360.773853] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1360.775996] ? __cpuset_node_allowed+0x136/0x540 [ 1360.808280] ? __isolate_free_page+0x4c0/0x4c0 [ 1360.812855] ? wake_all_kswapds+0x14d/0x300 [ 1360.817176] __alloc_pages_slowpath+0x2214/0x2870 [ 1360.822028] ? warn_alloc+0x110/0x110 [ 1360.825824] ? __lock_acquire+0x6ee/0x49c0 [ 1360.830066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1360.835596] ? should_fail+0x14d/0x85c [ 1360.839492] ? __isolate_free_page+0x4c0/0x4c0 [ 1360.844075] __alloc_pages_nodemask+0x617/0x750 [ 1360.848743] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1360.853770] ? find_held_lock+0x35/0x130 [ 1360.857837] cache_grow_begin+0x91/0x8c0 [ 1360.861898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1360.867443] ? __cpuset_node_allowed+0x136/0x540 [ 1360.872200] fallback_alloc+0x1fd/0x2d0 [ 1360.876179] ____cache_alloc_node+0x1be/0x1e0 [ 1360.880690] kmem_cache_alloc_node+0xe3/0x710 [ 1360.885203] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1360.889445] __alloc_skb+0xd5/0x5f0 [ 1360.893071] ? skb_trim+0x190/0x190 [ 1360.896717] ? kasan_check_read+0x11/0x20 [ 1360.900872] ndisc_alloc_skb+0x13c/0x340 [ 1360.904935] ndisc_send_rs+0x35f/0x6e0 [ 1360.908825] addrconf_rs_timer+0x30f/0x680 [ 1360.913058] ? ipv6_get_lladdr+0x490/0x490 [ 1360.917296] call_timer_fn+0x18d/0x720 [ 1360.921202] ? ipv6_get_lladdr+0x490/0x490 [ 1360.925428] ? process_timeout+0x40/0x40 [ 1360.929484] ? run_timer_softirq+0x644/0x16a0 [ 1360.933985] ? trace_hardirqs_on+0x67/0x220 [ 1360.938303] ? ipv6_get_lladdr+0x490/0x490 [ 1360.942528] run_timer_softirq+0x64f/0x16a0 [ 1360.946848] ? add_timer+0xbe0/0xbe0 [ 1360.950563] ? __lock_is_held+0xb6/0x140 [ 1360.954629] __do_softirq+0x25c/0x921 [ 1360.958424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1360.963953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1360.969492] irq_exit+0x180/0x1d0 [ 1360.972951] smp_apic_timer_interrupt+0x13b/0x550 [ 1360.977874] apic_timer_interrupt+0xf/0x20 [ 1360.982098] [ 1360.984344] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1360.988935] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1361.007829] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1361.015536] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1361.022808] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1361.030080] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1361.037345] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1361.044630] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1361.053351] percpu_ref_put_many+0x37/0x190 [ 1361.057684] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1361.062789] mem_cgroup_iter+0x907/0xac0 [ 1361.066852] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1361.071635] ? kasan_check_read+0x11/0x20 [ 1361.075776] ? mem_cgroup_protected+0x44/0x380 [ 1361.080350] ? vmpressure+0x19f/0x350 [ 1361.084147] shrink_node+0x402/0x1450 [ 1361.087965] ? shrink_node_memcg+0x13f0/0x13f0 [ 1361.092540] ? kvm_clock_read+0x18/0x30 [ 1361.096519] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1361.101533] ? ktime_get+0x202/0x2f0 [ 1361.105256] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1361.110784] ? __cpuset_node_allowed+0x136/0x540 [ 1361.115537] do_try_to_free_pages+0x3cb/0x11c0 [ 1361.120128] ? shrink_node+0x1450/0x1450 [ 1361.124192] try_to_free_pages+0x2ee/0x7f0 [ 1361.128424] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1361.133275] __alloc_pages_slowpath+0x990/0x2870 [ 1361.138040] ? warn_alloc+0x110/0x110 [ 1361.141832] ? __lock_is_held+0xb6/0x140 [ 1361.145886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1361.151416] ? should_fail+0x14d/0x85c [ 1361.155319] ? __might_sleep+0x95/0x190 [ 1361.159291] __alloc_pages_nodemask+0x617/0x750 [ 1361.163954] ? kasan_check_read+0x11/0x20 [ 1361.168113] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1361.173121] ? find_get_entry+0x3e1/0xa00 [ 1361.177277] ? find_get_pages_contig+0xed0/0xed0 [ 1361.182026] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1361.187560] alloc_pages_current+0x107/0x210 [ 1361.191966] __page_cache_alloc+0x2bd/0x450 [ 1361.196295] ? kasan_check_read+0x11/0x20 [ 1361.200452] filemap_fault+0xfeb/0x1f00 [ 1361.204423] ? lock_downgrade+0x880/0x880 [ 1361.208571] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1361.213322] ? lock_acquire+0x16f/0x3f0 [ 1361.217292] ? ext4_filemap_fault+0x7b/0xaf [ 1361.221617] ext4_filemap_fault+0x83/0xaf [ 1361.225756] __do_fault+0x111/0x480 [ 1361.229381] __handle_mm_fault+0x2d78/0x3f80 [ 1361.233786] ? copy_page_range+0x2030/0x2030 [ 1361.238202] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1361.242863] handle_mm_fault+0x1b5/0x690 [ 1361.246921] __do_page_fault+0x62a/0xe90 [ 1361.250983] ? vmalloc_fault+0x740/0x740 [ 1361.255051] ? trace_hardirqs_off_caller+0x65/0x220 [ 1361.260058] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1361.264983] ? page_fault+0x8/0x30 [ 1361.268521] do_page_fault+0x71/0x57d [ 1361.272321] ? page_fault+0x8/0x30 [ 1361.275857] page_fault+0x1e/0x30 [ 1361.279314] RIP: 0033:0x45b153 [ 1361.282532] Code: Bad RIP value. [ 1361.285898] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1361.291251] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1361.298520] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1361.305791] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1361.313071] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1361.320337] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1361.327612] warn_alloc_show_mem: 1 callbacks suppressed [ 1361.327622] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1361.327624] Mem-Info: [ 1361.327651] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1361.327651] active_file:12 inactive_file:12 isolated_file:0 [ 1361.327651] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1361.327651] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1361.327651] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1361.327651] free:10883 free_pcp:183 free_cma:0 [ 1361.332995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1361.340180] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1361.342607] Call Trace: [ 1361.375761] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1361.389968] dump_stack+0x197/0x210 [ 1361.417472] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1361.420080] warn_alloc.cold+0x7b/0x173 [ 1361.445919] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1361.449592] ? zone_watermark_ok_safe+0x260/0x260 [ 1361.475668] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1361.479637] ? __cpuset_node_allowed+0x136/0x540 [ 1361.484633] lowmem_reserve[]: 0 0 1 1 1 [ 1361.489480] ? __isolate_free_page+0x4c0/0x4c0 [ 1361.518251] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1361.523004] ? wake_all_kswapds+0x14d/0x300 [ 1361.526958] lowmem_reserve[]: 0 0 0 0 0 [ 1361.531631] __alloc_pages_slowpath+0x2214/0x2870 [ 1361.557374] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1361.561709] ? warn_alloc+0x110/0x110 [ 1361.565641] lowmem_reserve[]: 0 0 0 0 0 [ 1361.570484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1361.602662] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1361.606482] ? should_fail+0x14d/0x85c [ 1361.610432] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1361.615980] ? __isolate_free_page+0x4c0/0x4c0 [ 1361.628092] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1361.632009] __alloc_pages_nodemask+0x617/0x750 [ 1361.646035] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1361.650630] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1361.661278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1361.665946] cache_grow_begin+0x91/0x8c0 [ 1361.681434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1361.686452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1361.695265] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1361.699312] ? __cpuset_node_allowed+0x136/0x540 [ 1361.707869] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1361.707876] 269 total pagecache pages [ 1361.713406] fallback_alloc+0x1fd/0x2d0 [ 1361.722229] 0 pages in swap cache [ 1361.726989] ____cache_alloc_node+0x1be/0x1e0 [ 1361.735529] Swap cache stats: add 0, delete 0, find 0/0 [ 1361.735537] Free swap = 0kB [ 1361.739331] kmem_cache_alloc_node+0xe3/0x710 [ 1361.743275] Total swap = 0kB [ 1361.743283] 1965979 pages RAM [ 1361.746734] __alloc_skb+0xd5/0x5f0 [ 1361.751205] 0 pages HighMem/MovableOnly [ 1361.756573] ? skb_trim+0x190/0x190 [ 1361.759574] 341726 pages reserved [ 1361.764098] ? check_preemption_disabled+0x48/0x290 [ 1361.767096] 0 pages cma reserved [ 1361.770189] ? lock_acquire+0x16f/0x3f0 [ 1361.770210] new_skb+0x28/0x1d0 [ 1361.773931] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1361.777793] aoecmd_cfg+0x1b5/0x640 [ 1361.777809] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1361.777829] ? timer_reduce+0x11d0/0x11d0 [ 1361.781475] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1361.784887] discover_timer+0x4e/0x60 [ 1361.789888] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1361.793245] call_timer_fn+0x18d/0x720 [ 1361.841675] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1361.846340] ? process_timeout+0x40/0x40 [ 1361.850405] ? run_timer_softirq+0x644/0x16a0 [ 1361.854897] ? trace_hardirqs_on+0x67/0x220 [ 1361.859215] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1361.863887] run_timer_softirq+0x64f/0x16a0 [ 1361.868207] ? add_timer+0xbe0/0xbe0 [ 1361.871914] ? kvm_clock_read+0x18/0x30 [ 1361.875882] ? check_preemption_disabled+0x48/0x290 [ 1361.880905] ? sched_clock+0x2e/0x50 [ 1361.884623] __do_softirq+0x25c/0x921 [ 1361.888416] ? preempt_schedule_common+0x4f/0xe0 [ 1361.893183] ? takeover_tasklets+0x7b0/0x7b0 [ 1361.897590] run_ksoftirqd+0x8e/0x110 [ 1361.901383] smpboot_thread_fn+0x6a3/0xa30 [ 1361.905613] ? sort_range+0x30/0x30 [ 1361.909247] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1361.914778] ? __kthread_parkme+0xfb/0x1b0 [ 1361.919017] kthread+0x354/0x420 [ 1361.922374] ? sort_range+0x30/0x30 [ 1361.925993] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1361.931523] ret_from_fork+0x24/0x30 [ 1361.935241] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1361.935298] aoe: skb alloc failure [ 1361.943327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1361.943334] Call Trace: [ 1361.946918] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1361.956234] [ 1361.958810] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1361.969130] dump_stack+0x197/0x210 [ 1361.979705] warn_alloc.cold+0x7b/0x173 [ 1361.983683] ? zone_watermark_ok_safe+0x260/0x260 [ 1361.988530] ? __cpuset_node_allowed+0x136/0x540 [ 1361.993302] ? __isolate_free_page+0x4c0/0x4c0 [ 1361.997883] ? wake_all_kswapds+0x14d/0x300 [ 1362.002210] __alloc_pages_slowpath+0x2214/0x2870 [ 1362.007062] ? warn_alloc+0x110/0x110 [ 1362.010860] ? __lock_acquire+0x6ee/0x49c0 [ 1362.015087] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1362.020617] ? should_fail+0x14d/0x85c [ 1362.024500] ? __isolate_free_page+0x4c0/0x4c0 [ 1362.029085] __alloc_pages_nodemask+0x617/0x750 [ 1362.033766] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1362.038791] ? find_held_lock+0x35/0x130 [ 1362.042848] cache_grow_begin+0x91/0x8c0 [ 1362.046906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1362.052433] ? __cpuset_node_allowed+0x136/0x540 [ 1362.057204] fallback_alloc+0x1fd/0x2d0 [ 1362.061176] ____cache_alloc_node+0x1be/0x1e0 [ 1362.065664] kmem_cache_alloc_node+0xe3/0x710 [ 1362.070150] ? mark_held_locks+0x100/0x100 [ 1362.074386] __alloc_skb+0xd5/0x5f0 [ 1362.078007] ? skb_trim+0x190/0x190 [ 1362.081629] ? __local_bh_enable_ip+0x15a/0x270 [ 1362.086293] ? lock_downgrade+0x880/0x880 [ 1362.090435] ndisc_alloc_skb+0x13c/0x340 [ 1362.094492] ndisc_send_rs+0x7c/0x6e0 [ 1362.098304] addrconf_rs_timer+0x30f/0x680 [ 1362.102549] ? ipv6_get_lladdr+0x490/0x490 [ 1362.106803] call_timer_fn+0x18d/0x720 [ 1362.110693] ? ipv6_get_lladdr+0x490/0x490 [ 1362.114927] ? process_timeout+0x40/0x40 [ 1362.119121] ? run_timer_softirq+0x644/0x16a0 [ 1362.123624] ? trace_hardirqs_on+0x67/0x220 [ 1362.127957] ? ipv6_get_lladdr+0x490/0x490 [ 1362.132195] run_timer_softirq+0x64f/0x16a0 [ 1362.136522] ? add_timer+0xbe0/0xbe0 [ 1362.140239] ? __lock_is_held+0xb6/0x140 [ 1362.144331] __do_softirq+0x25c/0x921 [ 1362.148142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1362.153677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1362.159217] irq_exit+0x180/0x1d0 [ 1362.162666] smp_apic_timer_interrupt+0x13b/0x550 [ 1362.167511] apic_timer_interrupt+0xf/0x20 [ 1362.171746] [ 1362.173985] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1362.178566] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1362.197458] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1362.205170] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1362.212430] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1362.219693] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1362.226956] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1362.234226] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1362.241529] percpu_ref_put_many+0x37/0x190 [ 1362.245846] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1362.250953] mem_cgroup_iter+0x907/0xac0 [ 1362.255014] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1362.259765] ? kasan_check_read+0x11/0x20 [ 1362.263906] ? mem_cgroup_protected+0x44/0x380 [ 1362.268493] ? vmpressure+0x19f/0x350 [ 1362.272293] shrink_node+0x402/0x1450 [ 1362.276117] ? shrink_node_memcg+0x13f0/0x13f0 [ 1362.280707] ? kvm_clock_read+0x18/0x30 [ 1362.284677] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1362.289689] ? ktime_get+0x202/0x2f0 [ 1362.293407] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1362.298937] ? __cpuset_node_allowed+0x136/0x540 [ 1362.303707] do_try_to_free_pages+0x3cb/0x11c0 [ 1362.308299] ? shrink_node+0x1450/0x1450 [ 1362.312376] try_to_free_pages+0x2ee/0x7f0 [ 1362.316610] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1362.321466] __alloc_pages_slowpath+0x990/0x2870 [ 1362.326234] ? warn_alloc+0x110/0x110 [ 1362.330029] ? __lock_is_held+0xb6/0x140 [ 1362.334099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1362.339631] ? should_fail+0x14d/0x85c [ 1362.343522] ? __might_sleep+0x95/0x190 [ 1362.347494] __alloc_pages_nodemask+0x617/0x750 [ 1362.352165] ? kasan_check_read+0x11/0x20 [ 1362.356323] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1362.361347] ? find_get_entry+0x3e1/0xa00 [ 1362.365521] ? find_get_pages_contig+0xed0/0xed0 [ 1362.370271] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1362.375806] alloc_pages_current+0x107/0x210 [ 1362.380211] __page_cache_alloc+0x2bd/0x450 [ 1362.384526] ? kasan_check_read+0x11/0x20 [ 1362.388672] filemap_fault+0xfeb/0x1f00 [ 1362.392642] ? lock_downgrade+0x880/0x880 [ 1362.396792] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1362.401560] ? lock_acquire+0x16f/0x3f0 [ 1362.405544] ? ext4_filemap_fault+0x7b/0xaf [ 1362.409869] ext4_filemap_fault+0x83/0xaf [ 1362.414013] __do_fault+0x111/0x480 [ 1362.417636] __handle_mm_fault+0x2d78/0x3f80 [ 1362.422044] ? copy_page_range+0x2030/0x2030 [ 1362.426460] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1362.431130] handle_mm_fault+0x1b5/0x690 [ 1362.435190] __do_page_fault+0x62a/0xe90 [ 1362.439252] ? vmalloc_fault+0x740/0x740 [ 1362.443322] ? trace_hardirqs_off_caller+0x65/0x220 [ 1362.448334] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1362.453258] ? page_fault+0x8/0x30 [ 1362.456796] do_page_fault+0x71/0x57d [ 1362.460590] ? page_fault+0x8/0x30 [ 1362.464126] page_fault+0x1e/0x30 [ 1362.467570] RIP: 0033:0x45b153 [ 1362.470940] Code: Bad RIP value. [ 1362.474300] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1362.479653] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1362.486923] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1362.494297] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1362.501576] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1362.508851] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1362.516175] warn_alloc_show_mem: 1 callbacks suppressed [ 1362.516185] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1362.516187] Mem-Info: [ 1362.516216] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1362.516216] active_file:12 inactive_file:12 isolated_file:0 [ 1362.516216] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1362.516216] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1362.516216] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1362.516216] free:10883 free_pcp:183 free_cma:0 [ 1362.521563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1362.528765] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1362.531170] Call Trace: [ 1362.564411] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1362.573772] dump_stack+0x197/0x210 [ 1362.601277] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1362.603874] warn_alloc.cold+0x7b/0x173 [ 1362.629699] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1362.633330] ? zone_watermark_ok_safe+0x260/0x260 [ 1362.659412] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1362.663399] ? __cpuset_node_allowed+0x136/0x540 [ 1362.668386] lowmem_reserve[]: 0 0 1 1 1 [ 1362.673232] ? __isolate_free_page+0x4c0/0x4c0 [ 1362.702179] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1362.706945] ? wake_all_kswapds+0x14d/0x300 [ 1362.710888] lowmem_reserve[]: 0 0 0 0 0 [ 1362.715487] __alloc_pages_slowpath+0x2214/0x2870 [ 1362.741220] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1362.745555] ? warn_alloc+0x110/0x110 [ 1362.749512] lowmem_reserve[]: 0 0 0 0 0 [ 1362.754370] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1362.782986] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1362.786785] ? should_fail+0x14d/0x85c [ 1362.790732] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1362.796279] ? __isolate_free_page+0x4c0/0x4c0 [ 1362.808556] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1362.812470] __alloc_pages_nodemask+0x617/0x750 [ 1362.826481] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1362.831079] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1362.841741] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1362.846435] cache_grow_begin+0x91/0x8c0 [ 1362.861936] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1362.866965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1362.875782] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1362.879846] ? __cpuset_node_allowed+0x136/0x540 [ 1362.888397] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1362.888405] 269 total pagecache pages [ 1362.893953] fallback_alloc+0x1fd/0x2d0 [ 1362.902784] 0 pages in swap cache [ 1362.907533] ____cache_alloc_node+0x1be/0x1e0 [ 1362.916084] Swap cache stats: add 0, delete 0, find 0/0 [ 1362.919889] kmem_cache_alloc_node+0xe3/0x710 [ 1362.923837] Free swap = 0kB [ 1362.927290] __alloc_skb+0xd5/0x5f0 [ 1362.931751] Total swap = 0kB [ 1362.937105] ? skb_trim+0x190/0x190 [ 1362.941578] 1965979 pages RAM [ 1362.944588] ? check_preemption_disabled+0x48/0x290 [ 1362.948203] 0 pages HighMem/MovableOnly [ 1362.951225] ? lock_acquire+0x16f/0x3f0 [ 1362.954837] 341726 pages reserved [ 1362.957939] new_skb+0x28/0x1d0 [ 1362.962938] 0 pages cma reserved [ 1362.963006] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1362.966926] aoecmd_cfg+0x1b5/0x640 [ 1362.966943] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1362.966964] ? timer_reduce+0x11d0/0x11d0 [ 1362.971111] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1362.974387] discover_timer+0x4e/0x60 [ 1362.974403] call_timer_fn+0x18d/0x720 [ 1362.977809] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1362.981164] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1362.981180] ? process_timeout+0x40/0x40 [ 1363.031085] ? run_timer_softirq+0x644/0x16a0 [ 1363.035610] ? trace_hardirqs_on+0x67/0x220 [ 1363.039978] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1363.044674] run_timer_softirq+0x64f/0x16a0 [ 1363.049004] ? add_timer+0xbe0/0xbe0 [ 1363.052714] ? kvm_clock_read+0x18/0x30 [ 1363.056709] ? check_preemption_disabled+0x48/0x290 [ 1363.061724] ? sched_clock+0x2e/0x50 [ 1363.065443] __do_softirq+0x25c/0x921 [ 1363.069241] ? preempt_schedule_common+0x4f/0xe0 [ 1363.074000] ? takeover_tasklets+0x7b0/0x7b0 [ 1363.078414] run_ksoftirqd+0x8e/0x110 [ 1363.082213] smpboot_thread_fn+0x6a3/0xa30 [ 1363.091305] ? sort_range+0x30/0x30 [ 1363.094929] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1363.100458] ? __kthread_parkme+0xfb/0x1b0 [ 1363.104705] kthread+0x354/0x420 [ 1363.108062] ? sort_range+0x30/0x30 [ 1363.111697] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1363.117488] ret_from_fork+0x24/0x30 [ 1363.121215] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1363.121277] aoe: skb alloc failure [ 1363.128602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1363.128607] Call Trace: [ 1363.128613] [ 1363.128629] dump_stack+0x197/0x210 [ 1363.128646] warn_alloc.cold+0x7b/0x173 [ 1363.132221] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1363.141566] ? zone_watermark_ok_safe+0x260/0x260 [ 1363.144121] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1363.146276] ? __cpuset_node_allowed+0x136/0x540 [ 1363.178530] ? __isolate_free_page+0x4c0/0x4c0 [ 1363.184494] ? wake_all_kswapds+0x14d/0x300 [ 1363.188831] __alloc_pages_slowpath+0x2214/0x2870 [ 1363.193691] ? warn_alloc+0x110/0x110 [ 1363.197512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1363.203082] ? should_fail+0x14d/0x85c [ 1363.207073] ? __isolate_free_page+0x4c0/0x4c0 [ 1363.211670] __alloc_pages_nodemask+0x617/0x750 [ 1363.216361] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1363.221390] cache_grow_begin+0x91/0x8c0 [ 1363.225451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1363.230981] ? __cpuset_node_allowed+0x136/0x540 [ 1363.235731] fallback_alloc+0x1fd/0x2d0 [ 1363.239704] ____cache_alloc_node+0x1be/0x1e0 [ 1363.244192] kmem_cache_alloc_node+0xe3/0x710 [ 1363.248693] ? queue_work_on+0xe2/0x200 [ 1363.252664] ? switchdev_deferred_enqueue+0x1ad/0x220 [ 1363.257846] ? queue_work_on+0xe2/0x200 [ 1363.261829] __alloc_skb+0xd5/0x5f0 [ 1363.265450] ? skb_trim+0x190/0x190 [ 1363.269086] ? switchdev_port_obj_del_now+0x1e0/0x1e0 [ 1363.274270] ? switchdev_deferred_enqueue+0x1b2/0x220 [ 1363.280596] __br_mdb_notify+0x2af/0xe40 [ 1363.284666] ? debug_object_assert_init+0x17b/0x2f0 [ 1363.289773] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 1363.294871] ? __br_mdb_add+0x7b0/0x7b0 [ 1363.298850] ? debug_object_assert_init+0x17b/0x2f0 [ 1363.303886] ? debug_object_destroy+0x250/0x250 [ 1363.309855] ? mark_held_locks+0x100/0x100 [ 1363.314087] br_mdb_notify+0x20d/0x2d0 [ 1363.317972] ? br_mdb_dump+0x1fe0/0x1fe0 [ 1363.322025] ? del_timer+0xd2/0x120 [ 1363.325672] br_multicast_del_pg+0x2bd/0x580 [ 1363.330101] br_multicast_port_group_expired+0x189/0x1e0 [ 1363.335634] call_timer_fn+0x18d/0x720 [ 1363.339516] ? br_multicast_del_pg+0x580/0x580 [ 1363.344091] ? process_timeout+0x40/0x40 [ 1363.348149] ? run_timer_softirq+0x644/0x16a0 [ 1363.352641] ? trace_hardirqs_on+0x67/0x220 [ 1363.356975] ? br_multicast_del_pg+0x580/0x580 [ 1363.361565] run_timer_softirq+0x64f/0x16a0 [ 1363.365884] ? add_timer+0xbe0/0xbe0 [ 1363.369608] ? __lock_is_held+0xb6/0x140 [ 1363.373673] __do_softirq+0x25c/0x921 [ 1363.377467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1363.382998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1363.388550] irq_exit+0x180/0x1d0 [ 1363.391996] smp_apic_timer_interrupt+0x13b/0x550 [ 1363.396833] apic_timer_interrupt+0xf/0x20 [ 1363.401088] [ 1363.403329] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1363.407907] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1363.426812] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1363.434517] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1363.441796] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1363.449067] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1363.456328] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1363.463589] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1363.470894] percpu_ref_put_many+0x37/0x190 [ 1363.475210] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1363.480318] mem_cgroup_iter+0x907/0xac0 [ 1363.484386] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1363.489151] ? kasan_check_read+0x11/0x20 [ 1363.493305] ? mem_cgroup_protected+0x44/0x380 [ 1363.497877] ? vmpressure+0x19f/0x350 [ 1363.501675] shrink_node+0x402/0x1450 [ 1363.505483] ? shrink_node_memcg+0x13f0/0x13f0 [ 1363.510072] ? kvm_clock_read+0x18/0x30 [ 1363.514040] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1363.519071] ? ktime_get+0x202/0x2f0 [ 1363.522777] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1363.528322] ? __cpuset_node_allowed+0x136/0x540 [ 1363.533108] do_try_to_free_pages+0x3cb/0x11c0 [ 1363.537696] ? shrink_node+0x1450/0x1450 [ 1363.541957] try_to_free_pages+0x2ee/0x7f0 [ 1363.546189] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1363.551049] __alloc_pages_slowpath+0x990/0x2870 [ 1363.555907] ? warn_alloc+0x110/0x110 [ 1363.559741] ? __lock_is_held+0xb6/0x140 [ 1363.563798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1363.571014] ? should_fail+0x14d/0x85c [ 1363.574926] ? __might_sleep+0x95/0x190 [ 1363.578907] __alloc_pages_nodemask+0x617/0x750 [ 1363.583590] ? kasan_check_read+0x11/0x20 [ 1363.587741] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1363.592768] ? find_get_entry+0x3e1/0xa00 [ 1363.596912] ? find_get_pages_contig+0xed0/0xed0 [ 1363.601662] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1363.607196] alloc_pages_current+0x107/0x210 [ 1363.611610] __page_cache_alloc+0x2bd/0x450 [ 1363.615935] ? kasan_check_read+0x11/0x20 [ 1363.620079] filemap_fault+0xfeb/0x1f00 [ 1363.624050] ? lock_downgrade+0x880/0x880 [ 1363.628201] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1363.632882] ? lock_acquire+0x16f/0x3f0 [ 1363.636849] ? ext4_filemap_fault+0x7b/0xaf [ 1363.641204] ext4_filemap_fault+0x83/0xaf [ 1363.645345] __do_fault+0x111/0x480 [ 1363.648984] __handle_mm_fault+0x2d78/0x3f80 [ 1363.653405] ? copy_page_range+0x2030/0x2030 [ 1363.657819] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1363.662485] handle_mm_fault+0x1b5/0x690 [ 1363.666545] __do_page_fault+0x62a/0xe90 [ 1363.670618] ? vmalloc_fault+0x740/0x740 [ 1363.674674] ? trace_hardirqs_off_caller+0x65/0x220 [ 1363.679682] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1363.684617] ? page_fault+0x8/0x30 [ 1363.688152] do_page_fault+0x71/0x57d [ 1363.691945] ? page_fault+0x8/0x30 [ 1363.695484] page_fault+0x1e/0x30 [ 1363.698932] RIP: 0033:0x45b153 [ 1363.702142] Code: Bad RIP value. [ 1363.705497] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1363.710850] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1363.718109] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1363.725372] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1363.732634] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1363.739895] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1363.747193] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1363.747205] warn_alloc_show_mem: 1 callbacks suppressed [ 1363.747210] Mem-Info: [ 1363.754388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1363.759766] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1363.759766] active_file:12 inactive_file:12 isolated_file:0 [ 1363.759766] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1363.759766] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1363.759766] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1363.759766] free:10883 free_pcp:183 free_cma:0 [ 1363.762138] Call Trace: [ 1363.771523] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1363.804729] dump_stack+0x197/0x210 [ 1363.807313] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1363.834788] warn_alloc.cold+0x7b/0x173 [ 1363.838412] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1363.864280] ? zone_watermark_ok_safe+0x260/0x260 [ 1363.868227] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1363.894346] ? __cpuset_node_allowed+0x136/0x540 [ 1363.899192] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1363.904223] ? __isolate_free_page+0x4c0/0x4c0 [ 1363.908968] lowmem_reserve[]: 0 0 1 1 1 [ 1363.937989] ? wake_all_kswapds+0x14d/0x300 [ 1363.942550] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1363.946525] __alloc_pages_slowpath+0x2214/0x2870 [ 1363.950830] lowmem_reserve[]: 0 0 0 0 0 [ 1363.976726] ? warn_alloc+0x110/0x110 [ 1363.981529] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1363.985497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1363.989270] lowmem_reserve[]: 0 0 0 0 0 [ 1364.017131] ? should_fail+0x14d/0x85c [ 1364.022654] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1364.026625] ? __isolate_free_page+0x4c0/0x4c0 [ 1364.030494] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1364.042652] __alloc_pages_nodemask+0x617/0x750 [ 1364.047213] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1364.061281] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1364.065920] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1364.076861] cache_grow_begin+0x91/0x8c0 [ 1364.081847] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1364.097364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1364.101407] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1364.110226] ? __cpuset_node_allowed+0x136/0x540 [ 1364.115772] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1364.124976] fallback_alloc+0x1fd/0x2d0 [ 1364.129730] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1364.138573] ____cache_alloc_node+0x1be/0x1e0 [ 1364.142520] 269 total pagecache pages [ 1364.151102] kmem_cache_alloc_node+0xe3/0x710 [ 1364.155577] 0 pages in swap cache [ 1364.159376] __alloc_skb+0xd5/0x5f0 [ 1364.163839] Swap cache stats: add 0, delete 0, find 0/0 [ 1364.167279] ? skb_trim+0x190/0x190 [ 1364.170882] Free swap = 0kB [ 1364.176250] ? check_preemption_disabled+0x48/0x290 [ 1364.179848] Total swap = 0kB [ 1364.182858] ? lock_acquire+0x16f/0x3f0 [ 1364.187891] 1965979 pages RAM [ 1364.190875] new_skb+0x28/0x1d0 [ 1364.194824] 0 pages HighMem/MovableOnly [ 1364.197937] aoecmd_cfg+0x1b5/0x640 [ 1364.201186] 341726 pages reserved [ 1364.201193] 0 pages cma reserved [ 1364.205160] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1364.209017] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1364.212225] ? timer_reduce+0x11d0/0x11d0 [ 1364.215579] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1364.219897] discover_timer+0x4e/0x60 [ 1364.244498] call_timer_fn+0x18d/0x720 [ 1364.248383] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1364.253056] ? process_timeout+0x40/0x40 [ 1364.257110] ? run_timer_softirq+0x644/0x16a0 [ 1364.261616] ? trace_hardirqs_on+0x67/0x220 [ 1364.265932] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1364.270593] run_timer_softirq+0x64f/0x16a0 [ 1364.274930] ? add_timer+0xbe0/0xbe0 [ 1364.278640] ? kvm_clock_read+0x18/0x30 [ 1364.282613] ? check_preemption_disabled+0x48/0x290 [ 1364.287656] ? sched_clock+0x2e/0x50 [ 1364.291379] __do_softirq+0x25c/0x921 [ 1364.295175] ? preempt_schedule_common+0x4f/0xe0 [ 1364.299932] ? takeover_tasklets+0x7b0/0x7b0 [ 1364.304339] run_ksoftirqd+0x8e/0x110 [ 1364.308151] smpboot_thread_fn+0x6a3/0xa30 [ 1364.312384] ? sort_range+0x30/0x30 [ 1364.316022] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1364.321561] ? __kthread_parkme+0xfb/0x1b0 [ 1364.325799] kthread+0x354/0x420 [ 1364.329182] ? sort_range+0x30/0x30 [ 1364.332803] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1364.338338] ret_from_fork+0x24/0x30 [ 1364.342061] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1364.342128] aoe: skb alloc failure [ 1364.349428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1364.349433] Call Trace: [ 1364.349439] [ 1364.349455] dump_stack+0x197/0x210 [ 1364.349472] warn_alloc.cold+0x7b/0x173 [ 1364.353026] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1364.362353] ? zone_watermark_ok_safe+0x260/0x260 [ 1364.364914] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1364.367070] ? __cpuset_node_allowed+0x136/0x540 [ 1364.399336] ? __isolate_free_page+0x4c0/0x4c0 [ 1364.403927] ? wake_all_kswapds+0x14d/0x300 [ 1364.408249] __alloc_pages_slowpath+0x2214/0x2870 [ 1364.413102] ? warn_alloc+0x110/0x110 [ 1364.417048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1364.422591] ? should_fail+0x14d/0x85c [ 1364.426488] ? __isolate_free_page+0x4c0/0x4c0 [ 1364.431092] __alloc_pages_nodemask+0x617/0x750 [ 1364.435763] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1364.440785] cache_grow_begin+0x91/0x8c0 [ 1364.444842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1364.450369] ? __cpuset_node_allowed+0x136/0x540 [ 1364.455117] fallback_alloc+0x1fd/0x2d0 [ 1364.459107] ____cache_alloc_node+0x1be/0x1e0 [ 1364.463600] kmem_cache_alloc_node+0xe3/0x710 [ 1364.468089] ? queue_work_on+0xe2/0x200 [ 1364.472084] ? switchdev_deferred_enqueue+0x1ad/0x220 [ 1364.477264] ? queue_work_on+0xe2/0x200 [ 1364.481264] __alloc_skb+0xd5/0x5f0 [ 1364.484882] ? skb_trim+0x190/0x190 [ 1364.488518] ? switchdev_port_obj_del_now+0x1e0/0x1e0 [ 1364.493712] ? switchdev_deferred_enqueue+0x1b2/0x220 [ 1364.498903] __br_mdb_notify+0x2af/0xe40 [ 1364.502960] ? debug_object_assert_init+0x17b/0x2f0 [ 1364.507966] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 1364.513081] ? __br_mdb_add+0x7b0/0x7b0 [ 1364.517079] ? debug_object_assert_init+0x17b/0x2f0 [ 1364.522100] ? debug_object_destroy+0x250/0x250 [ 1364.526770] ? mark_held_locks+0x100/0x100 [ 1364.531024] br_mdb_notify+0x20d/0x2d0 [ 1364.535002] ? br_mdb_dump+0x1fe0/0x1fe0 [ 1364.539072] ? del_timer+0xd2/0x120 [ 1364.542707] br_multicast_del_pg+0x2bd/0x580 [ 1364.547137] br_multicast_port_group_expired+0x189/0x1e0 [ 1364.552583] call_timer_fn+0x18d/0x720 [ 1364.556465] ? br_multicast_del_pg+0x580/0x580 [ 1364.561052] ? process_timeout+0x40/0x40 [ 1364.565106] ? run_timer_softirq+0x644/0x16a0 [ 1364.569598] ? trace_hardirqs_on+0x67/0x220 [ 1364.573917] ? br_multicast_del_pg+0x580/0x580 [ 1364.578492] run_timer_softirq+0x64f/0x16a0 [ 1364.582814] ? add_timer+0xbe0/0xbe0 [ 1364.586535] ? __lock_is_held+0xb6/0x140 [ 1364.590607] __do_softirq+0x25c/0x921 [ 1364.594424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1364.599960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1364.605516] irq_exit+0x180/0x1d0 [ 1364.608979] smp_apic_timer_interrupt+0x13b/0x550 [ 1364.613818] apic_timer_interrupt+0xf/0x20 [ 1364.618040] [ 1364.620461] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1364.625052] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1364.643944] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1364.651652] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1364.658936] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1364.666246] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1364.673524] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1364.680790] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1364.688105] percpu_ref_put_many+0x37/0x190 [ 1364.692433] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1364.697552] mem_cgroup_iter+0x907/0xac0 [ 1364.701631] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1364.706388] ? kasan_check_read+0x11/0x20 [ 1364.710547] ? mem_cgroup_protected+0x44/0x380 [ 1364.715223] ? vmpressure+0x19f/0x350 [ 1364.719040] shrink_node+0x402/0x1450 [ 1364.722876] ? shrink_node_memcg+0x13f0/0x13f0 [ 1364.727473] ? kvm_clock_read+0x18/0x30 [ 1364.731465] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1364.736490] ? ktime_get+0x202/0x2f0 [ 1364.740200] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1364.745736] ? __cpuset_node_allowed+0x136/0x540 [ 1364.750507] do_try_to_free_pages+0x3cb/0x11c0 [ 1364.755098] ? shrink_node+0x1450/0x1450 [ 1364.759161] try_to_free_pages+0x2ee/0x7f0 [ 1364.763407] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1364.768280] __alloc_pages_slowpath+0x990/0x2870 [ 1364.773091] ? warn_alloc+0x110/0x110 [ 1364.776888] ? __lock_is_held+0xb6/0x140 [ 1364.780969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1364.786526] ? should_fail+0x14d/0x85c [ 1364.790434] ? __might_sleep+0x95/0x190 [ 1364.794409] __alloc_pages_nodemask+0x617/0x750 [ 1364.799078] ? kasan_check_read+0x11/0x20 [ 1364.803230] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1364.808266] ? find_get_entry+0x3e1/0xa00 [ 1364.812431] ? find_get_pages_contig+0xed0/0xed0 [ 1364.817199] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1364.822735] alloc_pages_current+0x107/0x210 [ 1364.827268] __page_cache_alloc+0x2bd/0x450 [ 1364.831598] ? kasan_check_read+0x11/0x20 [ 1364.835749] filemap_fault+0xfeb/0x1f00 [ 1364.839723] ? lock_downgrade+0x880/0x880 [ 1364.843890] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1364.848574] ? lock_acquire+0x16f/0x3f0 [ 1364.852548] ? ext4_filemap_fault+0x7b/0xaf [ 1364.856908] ext4_filemap_fault+0x83/0xaf [ 1364.861071] __do_fault+0x111/0x480 [ 1364.864726] __handle_mm_fault+0x2d78/0x3f80 [ 1364.869149] ? copy_page_range+0x2030/0x2030 [ 1364.873574] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1364.878255] handle_mm_fault+0x1b5/0x690 [ 1364.882326] __do_page_fault+0x62a/0xe90 [ 1364.886394] ? vmalloc_fault+0x740/0x740 [ 1364.890463] ? trace_hardirqs_off_caller+0x65/0x220 [ 1364.895489] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1364.900420] ? page_fault+0x8/0x30 [ 1364.903973] do_page_fault+0x71/0x57d [ 1364.907778] ? page_fault+0x8/0x30 [ 1364.911315] page_fault+0x1e/0x30 [ 1364.914759] RIP: 0033:0x45b153 [ 1364.917960] Code: Bad RIP value. [ 1364.921322] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1364.926679] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1364.933949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1364.941220] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1364.948512] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1364.955784] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1364.963078] warn_alloc_show_mem: 1 callbacks suppressed [ 1364.963088] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1364.963090] Mem-Info: [ 1364.963120] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1364.963120] active_file:12 inactive_file:12 isolated_file:0 [ 1364.963120] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1364.963120] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1364.963120] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1364.963120] free:10883 free_pcp:183 free_cma:0 [ 1364.968458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1364.968467] Call Trace: [ 1364.975664] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1364.978076] dump_stack+0x197/0x210 [ 1365.011308] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1365.020670] warn_alloc.cold+0x7b/0x173 [ 1365.023226] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1365.050739] ? zone_watermark_ok_safe+0x260/0x260 [ 1365.054347] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1365.080207] ? __cpuset_node_allowed+0x136/0x540 [ 1365.084503] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1365.110611] ? __isolate_free_page+0x4c0/0x4c0 [ 1365.115423] lowmem_reserve[]: 0 0 1 1 1 [ 1365.120430] ? wake_all_kswapds+0x14d/0x300 [ 1365.125162] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1365.153983] __alloc_pages_slowpath+0x2214/0x2870 [ 1365.158528] lowmem_reserve[]: 0 0 0 0 0 [ 1365.162518] ? warn_alloc+0x110/0x110 [ 1365.166798] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1365.192583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1365.197397] lowmem_reserve[]: 0 0 0 0 0 [ 1365.201365] ? should_fail+0x14d/0x85c [ 1365.205166] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1365.233031] ? __isolate_free_page+0x4c0/0x4c0 [ 1365.238541] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1365.242513] __alloc_pages_nodemask+0x617/0x750 [ 1365.246362] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1365.258524] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1365.263091] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1365.277158] cache_grow_begin+0x91/0x8c0 [ 1365.281793] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1365.292468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1365.297463] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1365.297478] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1365.312999] ? __cpuset_node_allowed+0x136/0x540 [ 1365.317039] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1365.325984] fallback_alloc+0x1fd/0x2d0 [ 1365.331498] 269 total pagecache pages [ 1365.340092] ____cache_alloc_node+0x1be/0x1e0 [ 1365.348924] 0 pages in swap cache [ 1365.353692] kmem_cache_alloc_node+0xe3/0x710 [ 1365.362255] Swap cache stats: add 0, delete 0, find 0/0 [ 1365.366254] __alloc_skb+0xd5/0x5f0 [ 1365.370028] Free swap = 0kB [ 1365.374524] ? skb_trim+0x190/0x190 [ 1365.377952] Total swap = 0kB [ 1365.377962] 1965979 pages RAM [ 1365.382466] ? check_preemption_disabled+0x48/0x290 [ 1365.387801] 0 pages HighMem/MovableOnly [ 1365.387809] 341726 pages reserved [ 1365.391433] ? lock_acquire+0x16f/0x3f0 [ 1365.394418] 0 pages cma reserved [ 1365.394626] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1365.398064] new_skb+0x28/0x1d0 [ 1365.401060] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1365.404159] aoecmd_cfg+0x1b5/0x640 [ 1365.445670] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1365.449988] ? timer_reduce+0x11d0/0x11d0 [ 1365.454133] discover_timer+0x4e/0x60 [ 1365.457922] call_timer_fn+0x18d/0x720 [ 1365.461801] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1365.466460] ? process_timeout+0x40/0x40 [ 1365.470520] ? run_timer_softirq+0x644/0x16a0 [ 1365.475024] ? trace_hardirqs_on+0x67/0x220 [ 1365.479340] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1365.484000] run_timer_softirq+0x64f/0x16a0 [ 1365.488317] ? add_timer+0xbe0/0xbe0 [ 1365.492019] ? kvm_clock_read+0x18/0x30 [ 1365.495986] ? check_preemption_disabled+0x48/0x290 [ 1365.500989] ? sched_clock+0x2e/0x50 [ 1365.504702] __do_softirq+0x25c/0x921 [ 1365.508493] ? preempt_schedule_common+0x4f/0xe0 [ 1365.513249] ? takeover_tasklets+0x7b0/0x7b0 [ 1365.517647] run_ksoftirqd+0x8e/0x110 [ 1365.521435] smpboot_thread_fn+0x6a3/0xa30 [ 1365.525660] ? sort_range+0x30/0x30 [ 1365.529277] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1365.534802] ? __kthread_parkme+0xfb/0x1b0 [ 1365.539029] kthread+0x354/0x420 [ 1365.542395] ? sort_range+0x30/0x30 [ 1365.546011] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1365.551539] ret_from_fork+0x24/0x30 [ 1365.555259] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1365.555323] aoe: skb alloc failure [ 1365.562632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1365.562639] Call Trace: [ 1365.566225] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1365.575500] [ 1365.578066] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1365.588384] dump_stack+0x197/0x210 [ 1365.598983] warn_alloc.cold+0x7b/0x173 [ 1365.602955] ? zone_watermark_ok_safe+0x260/0x260 [ 1365.607793] ? __cpuset_node_allowed+0x136/0x540 [ 1365.612548] ? __isolate_free_page+0x4c0/0x4c0 [ 1365.617123] ? wake_all_kswapds+0x14d/0x300 [ 1365.621442] __alloc_pages_slowpath+0x2214/0x2870 [ 1365.626302] ? warn_alloc+0x110/0x110 [ 1365.630094] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1365.635622] ? should_fail+0x14d/0x85c [ 1365.639532] ? __isolate_free_page+0x4c0/0x4c0 [ 1365.644113] __alloc_pages_nodemask+0x617/0x750 [ 1365.648779] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1365.653811] cache_grow_begin+0x91/0x8c0 [ 1365.657874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1365.663398] ? __cpuset_node_allowed+0x136/0x540 [ 1365.668157] fallback_alloc+0x1fd/0x2d0 [ 1365.672129] ____cache_alloc_node+0x1be/0x1e0 [ 1365.676629] kmem_cache_alloc_node+0xe3/0x710 [ 1365.681113] ? queue_work_on+0xe2/0x200 [ 1365.685078] ? switchdev_deferred_enqueue+0x1ad/0x220 [ 1365.690256] ? queue_work_on+0xe2/0x200 [ 1365.694236] __alloc_skb+0xd5/0x5f0 [ 1365.697853] ? skb_trim+0x190/0x190 [ 1365.701472] ? switchdev_port_obj_del_now+0x1e0/0x1e0 [ 1365.706654] ? switchdev_deferred_enqueue+0x1b2/0x220 [ 1365.711841] __br_mdb_notify+0x2af/0xe40 [ 1365.715895] ? debug_object_assert_init+0x17b/0x2f0 [ 1365.720901] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 1365.725996] ? __br_mdb_add+0x7b0/0x7b0 [ 1365.729990] ? debug_object_assert_init+0x17b/0x2f0 [ 1365.735021] ? debug_object_destroy+0x250/0x250 [ 1365.739707] ? mark_held_locks+0x100/0x100 [ 1365.743955] br_mdb_notify+0x20d/0x2d0 [ 1365.747839] ? br_mdb_dump+0x1fe0/0x1fe0 [ 1365.751908] ? del_timer+0xd2/0x120 [ 1365.755567] br_multicast_del_pg+0x2bd/0x580 [ 1365.759976] br_multicast_port_group_expired+0x189/0x1e0 [ 1365.765439] call_timer_fn+0x18d/0x720 [ 1365.769325] ? br_multicast_del_pg+0x580/0x580 [ 1365.773906] ? process_timeout+0x40/0x40 [ 1365.777959] ? run_timer_softirq+0x644/0x16a0 [ 1365.782449] ? trace_hardirqs_on+0x67/0x220 [ 1365.786766] ? br_multicast_del_pg+0x580/0x580 [ 1365.791348] run_timer_softirq+0x64f/0x16a0 [ 1365.795671] ? add_timer+0xbe0/0xbe0 [ 1365.799378] ? __lock_is_held+0xb6/0x140 [ 1365.803440] __do_softirq+0x25c/0x921 [ 1365.807229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1365.812759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1365.818296] irq_exit+0x180/0x1d0 [ 1365.821754] smp_apic_timer_interrupt+0x13b/0x550 [ 1365.826590] apic_timer_interrupt+0xf/0x20 [ 1365.830809] [ 1365.833050] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1365.837624] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1365.856516] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1365.864224] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1365.871484] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1365.878755] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1365.886013] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1365.893269] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1365.900556] percpu_ref_put_many+0x37/0x190 [ 1365.904867] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1365.909969] mem_cgroup_iter+0x907/0xac0 [ 1365.914023] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1365.918768] ? kasan_check_read+0x11/0x20 [ 1365.922903] ? mem_cgroup_protected+0x44/0x380 [ 1365.927474] ? vmpressure+0x19f/0x350 [ 1365.931267] shrink_node+0x402/0x1450 [ 1365.935071] ? shrink_node_memcg+0x13f0/0x13f0 [ 1365.939644] ? kvm_clock_read+0x18/0x30 [ 1365.943610] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1365.948617] ? ktime_get+0x202/0x2f0 [ 1365.952319] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1365.957846] ? __cpuset_node_allowed+0x136/0x540 [ 1365.962594] do_try_to_free_pages+0x3cb/0x11c0 [ 1365.967179] ? shrink_node+0x1450/0x1450 [ 1365.971250] try_to_free_pages+0x2ee/0x7f0 [ 1365.975478] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1365.980328] __alloc_pages_slowpath+0x990/0x2870 [ 1365.985089] ? warn_alloc+0x110/0x110 [ 1365.988880] ? __lock_is_held+0xb6/0x140 [ 1365.992932] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1365.998457] ? should_fail+0x14d/0x85c [ 1366.002345] ? __might_sleep+0x95/0x190 [ 1366.006316] __alloc_pages_nodemask+0x617/0x750 [ 1366.010978] ? kasan_check_read+0x11/0x20 [ 1366.015119] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1366.020125] ? find_get_entry+0x3e1/0xa00 [ 1366.024270] ? find_get_pages_contig+0xed0/0xed0 [ 1366.029015] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1366.034548] alloc_pages_current+0x107/0x210 [ 1366.038956] __page_cache_alloc+0x2bd/0x450 [ 1366.043271] ? kasan_check_read+0x11/0x20 [ 1366.047413] filemap_fault+0xfeb/0x1f00 [ 1366.051378] ? lock_downgrade+0x880/0x880 [ 1366.055523] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1366.060188] ? lock_acquire+0x16f/0x3f0 [ 1366.064157] ? ext4_filemap_fault+0x7b/0xaf [ 1366.069001] ext4_filemap_fault+0x83/0xaf [ 1366.073138] __do_fault+0x111/0x480 [ 1366.076780] __handle_mm_fault+0x2d78/0x3f80 [ 1366.081206] ? copy_page_range+0x2030/0x2030 [ 1366.085628] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1366.090295] handle_mm_fault+0x1b5/0x690 [ 1366.094353] __do_page_fault+0x62a/0xe90 [ 1366.098411] ? vmalloc_fault+0x740/0x740 [ 1366.102465] ? trace_hardirqs_off_caller+0x65/0x220 [ 1366.107473] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1366.112393] ? page_fault+0x8/0x30 [ 1366.115938] do_page_fault+0x71/0x57d [ 1366.119726] ? page_fault+0x8/0x30 [ 1366.123257] page_fault+0x1e/0x30 [ 1366.126700] RIP: 0033:0x45b153 [ 1366.129948] Code: Bad RIP value. [ 1366.133310] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1366.138659] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1366.145917] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1366.153179] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1366.160436] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1366.167692] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1366.174963] warn_alloc_show_mem: 1 callbacks suppressed [ 1366.174973] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1366.174975] Mem-Info: [ 1366.175003] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1366.175003] active_file:12 inactive_file:12 isolated_file:0 [ 1366.175003] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1366.175003] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1366.175003] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1366.175003] free:10883 free_pcp:183 free_cma:0 [ 1366.180355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1366.187547] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1366.189934] Call Trace: [ 1366.223085] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1366.232428] dump_stack+0x197/0x210 [ 1366.259895] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1366.262477] warn_alloc.cold+0x7b/0x173 [ 1366.288426] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1366.292062] ? zone_watermark_ok_safe+0x260/0x260 [ 1366.318133] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1366.322117] ? __cpuset_node_allowed+0x136/0x540 [ 1366.327101] lowmem_reserve[]: 0 0 1 1 1 [ 1366.331954] ? __isolate_free_page+0x4c0/0x4c0 [ 1366.360719] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1366.365468] ? wake_all_kswapds+0x14d/0x300 [ 1366.369410] lowmem_reserve[]: 0 0 0 0 0 [ 1366.373989] __alloc_pages_slowpath+0x2214/0x2870 [ 1366.399718] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1366.404063] ? warn_alloc+0x110/0x110 [ 1366.407986] lowmem_reserve[]: 0 0 0 0 0 [ 1366.412839] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1366.440670] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1366.444480] ? should_fail+0x14d/0x85c [ 1366.448421] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1366.453966] ? __isolate_free_page+0x4c0/0x4c0 [ 1366.466064] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1366.469969] __alloc_pages_nodemask+0x617/0x750 [ 1366.483975] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1366.488563] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1366.499196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1366.503860] cache_grow_begin+0x91/0x8c0 [ 1366.519342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1366.519355] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1366.524369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1366.533175] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1366.533183] 269 total pagecache pages [ 1366.537243] ? __cpuset_node_allowed+0x136/0x540 [ 1366.545795] 0 pages in swap cache [ 1366.554614] fallback_alloc+0x1fd/0x2d0 [ 1366.560120] Swap cache stats: add 0, delete 0, find 0/0 [ 1366.560127] Free swap = 0kB [ 1366.568693] ____cache_alloc_node+0x1be/0x1e0 [ 1366.572466] Total swap = 0kB [ 1366.572476] 1965979 pages RAM [ 1366.577236] kmem_cache_alloc_node+0xe3/0x710 [ 1366.580661] 0 pages HighMem/MovableOnly [ 1366.580673] 341726 pages reserved [ 1366.584658] __alloc_skb+0xd5/0x5f0 [ 1366.589987] 0 pages cma reserved [ 1366.590130] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1366.593018] ? skb_trim+0x190/0x190 [ 1366.597491] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1366.600501] ? check_preemption_disabled+0x48/0x290 [ 1366.645909] ? lock_acquire+0x16f/0x3f0 [ 1366.649877] new_skb+0x28/0x1d0 [ 1366.653158] aoecmd_cfg+0x1b5/0x640 [ 1366.656779] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1366.661097] ? timer_reduce+0x11d0/0x11d0 [ 1366.665244] discover_timer+0x4e/0x60 [ 1366.669044] call_timer_fn+0x18d/0x720 [ 1366.672923] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1366.677581] ? process_timeout+0x40/0x40 [ 1366.681632] ? run_timer_softirq+0x644/0x16a0 [ 1366.686122] ? trace_hardirqs_on+0x67/0x220 [ 1366.690449] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1366.695367] run_timer_softirq+0x64f/0x16a0 [ 1366.699685] ? add_timer+0xbe0/0xbe0 [ 1366.703388] ? kvm_clock_read+0x18/0x30 [ 1366.707355] ? check_preemption_disabled+0x48/0x290 [ 1366.712362] ? sched_clock+0x2e/0x50 [ 1366.716075] __do_softirq+0x25c/0x921 [ 1366.719870] ? preempt_schedule_common+0x4f/0xe0 [ 1366.724620] ? takeover_tasklets+0x7b0/0x7b0 [ 1366.729029] run_ksoftirqd+0x8e/0x110 [ 1366.732818] smpboot_thread_fn+0x6a3/0xa30 [ 1366.737043] ? sort_range+0x30/0x30 [ 1366.740662] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1366.746198] ? __kthread_parkme+0xfb/0x1b0 [ 1366.750434] kthread+0x354/0x420 [ 1366.753801] ? sort_range+0x30/0x30 [ 1366.757415] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1366.762953] ret_from_fork+0x24/0x30 [ 1366.766677] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1366.766735] aoe: skb alloc failure [ 1366.774025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1366.774032] Call Trace: [ 1366.777604] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1366.786893] [ 1366.789458] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1366.799770] dump_stack+0x197/0x210 [ 1366.810323] warn_alloc.cold+0x7b/0x173 [ 1366.814293] ? zone_watermark_ok_safe+0x260/0x260 [ 1366.819128] ? __cpuset_node_allowed+0x136/0x540 [ 1366.823886] ? __isolate_free_page+0x4c0/0x4c0 [ 1366.828459] ? wake_all_kswapds+0x14d/0x300 [ 1366.832792] __alloc_pages_slowpath+0x2214/0x2870 [ 1366.837646] ? warn_alloc+0x110/0x110 [ 1366.841454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1366.846998] ? should_fail+0x14d/0x85c [ 1366.850886] ? __isolate_free_page+0x4c0/0x4c0 [ 1366.855468] __alloc_pages_nodemask+0x617/0x750 [ 1366.860141] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1366.865170] cache_grow_begin+0x91/0x8c0 [ 1366.869230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1366.874762] ? __cpuset_node_allowed+0x136/0x540 [ 1366.879512] fallback_alloc+0x1fd/0x2d0 [ 1366.883482] ____cache_alloc_node+0x1be/0x1e0 [ 1366.887970] kmem_cache_alloc_node+0xe3/0x710 [ 1366.892456] ? queue_work_on+0xe2/0x200 [ 1366.896421] ? switchdev_deferred_enqueue+0x1ad/0x220 [ 1366.901612] ? queue_work_on+0xe2/0x200 [ 1366.905584] __alloc_skb+0xd5/0x5f0 [ 1366.909201] ? skb_trim+0x190/0x190 [ 1366.912819] ? switchdev_port_obj_del_now+0x1e0/0x1e0 [ 1366.918000] ? switchdev_deferred_enqueue+0x1b2/0x220 [ 1366.923186] __br_mdb_notify+0x2af/0xe40 [ 1366.927241] ? debug_object_assert_init+0x17b/0x2f0 [ 1366.932251] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 1366.937347] ? __br_mdb_add+0x7b0/0x7b0 [ 1366.941316] ? debug_object_assert_init+0x17b/0x2f0 [ 1366.946324] ? debug_object_destroy+0x250/0x250 [ 1366.950988] ? mark_held_locks+0x100/0x100 [ 1366.955226] br_mdb_notify+0x20d/0x2d0 [ 1366.959106] ? br_mdb_dump+0x1fe0/0x1fe0 [ 1366.963158] ? del_timer+0xd2/0x120 [ 1366.966787] br_multicast_del_pg+0x2bd/0x580 [ 1366.971192] br_multicast_port_group_expired+0x189/0x1e0 [ 1366.976633] call_timer_fn+0x18d/0x720 [ 1366.980513] ? br_multicast_del_pg+0x580/0x580 [ 1366.985087] ? process_timeout+0x40/0x40 [ 1366.989146] ? run_timer_softirq+0x644/0x16a0 [ 1366.993633] ? trace_hardirqs_on+0x67/0x220 [ 1366.997950] ? br_multicast_del_pg+0x580/0x580 [ 1367.002521] run_timer_softirq+0x64f/0x16a0 [ 1367.006849] ? add_timer+0xbe0/0xbe0 [ 1367.010556] ? __lock_is_held+0xb6/0x140 [ 1367.014618] __do_softirq+0x25c/0x921 [ 1367.018408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1367.023935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1367.029472] irq_exit+0x180/0x1d0 [ 1367.032926] smp_apic_timer_interrupt+0x13b/0x550 [ 1367.037761] apic_timer_interrupt+0xf/0x20 [ 1367.041999] [ 1367.044234] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1367.048806] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1367.067694] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1367.075393] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1367.082650] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1367.089909] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1367.097176] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1367.104432] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1367.111717] percpu_ref_put_many+0x37/0x190 [ 1367.116028] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1367.121132] mem_cgroup_iter+0x907/0xac0 [ 1367.125188] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1367.129933] ? kasan_check_read+0x11/0x20 [ 1367.134071] ? mem_cgroup_protected+0x44/0x380 [ 1367.138643] ? vmpressure+0x19f/0x350 [ 1367.142437] shrink_node+0x402/0x1450 [ 1367.146257] ? shrink_node_memcg+0x13f0/0x13f0 [ 1367.150834] ? kvm_clock_read+0x18/0x30 [ 1367.154805] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1367.159827] ? ktime_get+0x202/0x2f0 [ 1367.163537] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1367.169067] ? __cpuset_node_allowed+0x136/0x540 [ 1367.173821] do_try_to_free_pages+0x3cb/0x11c0 [ 1367.178413] ? shrink_node+0x1450/0x1450 [ 1367.182477] try_to_free_pages+0x2ee/0x7f0 [ 1367.186708] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1367.191559] __alloc_pages_slowpath+0x990/0x2870 [ 1367.196336] ? warn_alloc+0x110/0x110 [ 1367.200125] ? __lock_is_held+0xb6/0x140 [ 1367.204180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1367.209705] ? should_fail+0x14d/0x85c [ 1367.213595] ? __might_sleep+0x95/0x190 [ 1367.217569] __alloc_pages_nodemask+0x617/0x750 [ 1367.222242] ? kasan_check_read+0x11/0x20 [ 1367.226384] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1367.231388] ? find_get_entry+0x3e1/0xa00 [ 1367.235531] ? find_get_pages_contig+0xed0/0xed0 [ 1367.240275] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1367.245813] alloc_pages_current+0x107/0x210 [ 1367.250224] __page_cache_alloc+0x2bd/0x450 [ 1367.254533] ? kasan_check_read+0x11/0x20 [ 1367.258673] filemap_fault+0xfeb/0x1f00 [ 1367.262637] ? lock_downgrade+0x880/0x880 [ 1367.266794] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1367.271454] ? lock_acquire+0x16f/0x3f0 [ 1367.275417] ? ext4_filemap_fault+0x7b/0xaf [ 1367.279733] ext4_filemap_fault+0x83/0xaf [ 1367.283871] __do_fault+0x111/0x480 [ 1367.287489] __handle_mm_fault+0x2d78/0x3f80 [ 1367.291897] ? copy_page_range+0x2030/0x2030 [ 1367.296308] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1367.300969] handle_mm_fault+0x1b5/0x690 [ 1367.305024] __do_page_fault+0x62a/0xe90 [ 1367.309082] ? vmalloc_fault+0x740/0x740 [ 1367.313132] ? trace_hardirqs_off_caller+0x65/0x220 [ 1367.318136] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1367.323053] ? page_fault+0x8/0x30 [ 1367.326592] do_page_fault+0x71/0x57d [ 1367.330380] ? page_fault+0x8/0x30 [ 1367.334003] page_fault+0x1e/0x30 [ 1367.337443] RIP: 0033:0x45b153 [ 1367.340636] Code: Bad RIP value. [ 1367.343985] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1367.349345] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1367.356614] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1367.363884] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1367.371160] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1367.378423] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1367.385706] warn_alloc_show_mem: 1 callbacks suppressed [ 1367.385715] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1367.385717] Mem-Info: [ 1367.385746] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1367.385746] active_file:12 inactive_file:12 isolated_file:0 [ 1367.385746] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1367.385746] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1367.385746] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1367.385746] free:10883 free_pcp:183 free_cma:0 [ 1367.391082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1367.398274] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1367.400759] Call Trace: [ 1367.433911] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1367.443244] dump_stack+0x197/0x210 [ 1367.470705] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1367.473284] warn_alloc.cold+0x7b/0x173 [ 1367.499106] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1367.502751] ? zone_watermark_ok_safe+0x260/0x260 [ 1367.528846] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1367.532827] ? __cpuset_node_allowed+0x136/0x540 [ 1367.537805] lowmem_reserve[]: 0 0 1 1 1 [ 1367.542647] ? __isolate_free_page+0x4c0/0x4c0 [ 1367.571414] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1367.576167] ? wake_all_kswapds+0x14d/0x300 [ 1367.580109] lowmem_reserve[]: 0 0 0 0 0 [ 1367.584690] __alloc_pages_slowpath+0x2214/0x2870 [ 1367.610430] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1367.614775] ? warn_alloc+0x110/0x110 [ 1367.618696] lowmem_reserve[]: 0 0 0 0 0 [ 1367.623538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1367.651371] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1367.655176] ? should_fail+0x14d/0x85c [ 1367.659119] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1367.664650] ? __isolate_free_page+0x4c0/0x4c0 [ 1367.676754] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1367.680653] __alloc_pages_nodemask+0x617/0x750 [ 1367.694660] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1367.699239] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1367.709870] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1367.714532] cache_grow_begin+0x91/0x8c0 [ 1367.730024] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1367.735029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1367.743839] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1367.747881] ? __cpuset_node_allowed+0x136/0x540 [ 1367.756435] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1367.761957] fallback_alloc+0x1fd/0x2d0 [ 1367.770769] 269 total pagecache pages [ 1367.775526] ____cache_alloc_node+0x1be/0x1e0 [ 1367.784077] 0 pages in swap cache [ 1367.788035] kmem_cache_alloc_node+0xe3/0x710 [ 1367.791808] Swap cache stats: add 0, delete 0, find 0/0 [ 1367.796306] __alloc_skb+0xd5/0x5f0 [ 1367.799728] Free swap = 0kB [ 1367.804226] ? skb_trim+0x190/0x190 [ 1367.809570] Total swap = 0kB [ 1367.813195] ? check_preemption_disabled+0x48/0x290 [ 1367.816189] 1965979 pages RAM [ 1367.819807] ? lock_acquire+0x16f/0x3f0 [ 1367.822801] 0 pages HighMem/MovableOnly [ 1367.827830] new_skb+0x28/0x1d0 [ 1367.830903] 341726 pages reserved [ 1367.834881] aoecmd_cfg+0x1b5/0x640 [ 1367.838829] 0 pages cma reserved [ 1367.842097] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1367.845689] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1367.849159] ? timer_reduce+0x11d0/0x11d0 [ 1367.849184] discover_timer+0x4e/0x60 [ 1367.852664] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1367.856972] call_timer_fn+0x18d/0x720 [ 1367.856991] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1367.888426] ? process_timeout+0x40/0x40 [ 1367.892476] ? run_timer_softirq+0x644/0x16a0 [ 1367.896977] ? trace_hardirqs_on+0x67/0x220 [ 1367.901296] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1367.905975] run_timer_softirq+0x64f/0x16a0 [ 1367.910311] ? add_timer+0xbe0/0xbe0 [ 1367.914023] ? kvm_clock_read+0x18/0x30 [ 1367.918006] ? check_preemption_disabled+0x48/0x290 [ 1367.923027] ? sched_clock+0x2e/0x50 [ 1367.926745] __do_softirq+0x25c/0x921 [ 1367.930544] ? preempt_schedule_common+0x4f/0xe0 [ 1367.935316] ? takeover_tasklets+0x7b0/0x7b0 [ 1367.939725] run_ksoftirqd+0x8e/0x110 [ 1367.943520] smpboot_thread_fn+0x6a3/0xa30 [ 1367.947755] ? sort_range+0x30/0x30 [ 1367.951376] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1367.956907] ? __kthread_parkme+0xfb/0x1b0 [ 1367.961139] kthread+0x354/0x420 [ 1367.964515] ? sort_range+0x30/0x30 [ 1367.968142] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1367.973673] ret_from_fork+0x24/0x30 [ 1367.977405] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1367.977467] aoe: skb alloc failure [ 1367.984765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1367.984770] Call Trace: [ 1367.984777] [ 1367.984792] dump_stack+0x197/0x210 [ 1367.984809] warn_alloc.cold+0x7b/0x173 [ 1367.988349] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1367.997676] ? zone_watermark_ok_safe+0x260/0x260 [ 1368.000230] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1368.002371] ? __cpuset_node_allowed+0x136/0x540 [ 1368.034604] ? __isolate_free_page+0x4c0/0x4c0 [ 1368.039175] ? wake_all_kswapds+0x14d/0x300 [ 1368.043496] __alloc_pages_slowpath+0x2214/0x2870 [ 1368.048341] ? warn_alloc+0x110/0x110 [ 1368.052144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1368.057671] ? should_fail+0x14d/0x85c [ 1368.061551] ? __isolate_free_page+0x4c0/0x4c0 [ 1368.066131] __alloc_pages_nodemask+0x617/0x750 [ 1368.070795] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1368.075813] cache_grow_begin+0x91/0x8c0 [ 1368.079864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1368.085409] ? __cpuset_node_allowed+0x136/0x540 [ 1368.090162] fallback_alloc+0x1fd/0x2d0 [ 1368.094147] ____cache_alloc_node+0x1be/0x1e0 [ 1368.098647] kmem_cache_alloc_node+0xe3/0x710 [ 1368.103139] ? queue_work_on+0xe2/0x200 [ 1368.107110] ? switchdev_deferred_enqueue+0x1ad/0x220 [ 1368.112308] ? queue_work_on+0xe2/0x200 [ 1368.116293] __alloc_skb+0xd5/0x5f0 [ 1368.119926] ? skb_trim+0x190/0x190 [ 1368.123578] ? switchdev_port_obj_del_now+0x1e0/0x1e0 [ 1368.128773] ? switchdev_deferred_enqueue+0x1b2/0x220 [ 1368.133971] __br_mdb_notify+0x2af/0xe40 [ 1368.138048] ? __br_mdb_add+0x7b0/0x7b0 [ 1368.142031] ? debug_object_deactivate+0x1e4/0x360 [ 1368.146964] br_mdb_notify+0x20d/0x2d0 [ 1368.150847] ? br_mdb_dump+0x1fe0/0x1fe0 [ 1368.154901] ? lock_acquire+0x16f/0x3f0 [ 1368.158872] ? kasan_check_write+0x14/0x20 [ 1368.163097] ? do_raw_spin_lock+0xc8/0x240 [ 1368.167327] br_multicast_group_expired+0x141/0x410 [ 1368.172347] call_timer_fn+0x18d/0x720 [ 1368.176224] ? br_mdb_free+0x80/0x80 [ 1368.179930] ? process_timeout+0x40/0x40 [ 1368.183982] ? run_timer_softirq+0x644/0x16a0 [ 1368.188472] ? trace_hardirqs_on+0x67/0x220 [ 1368.192785] ? br_mdb_free+0x80/0x80 [ 1368.196489] run_timer_softirq+0x64f/0x16a0 [ 1368.200820] ? add_timer+0xbe0/0xbe0 [ 1368.204537] ? __lock_is_held+0xb6/0x140 [ 1368.208600] __do_softirq+0x25c/0x921 [ 1368.212393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1368.217919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1368.223478] irq_exit+0x180/0x1d0 [ 1368.226930] smp_apic_timer_interrupt+0x13b/0x550 [ 1368.231767] apic_timer_interrupt+0xf/0x20 [ 1368.236000] [ 1368.238240] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1368.242816] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1368.261728] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1368.269430] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1368.276686] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1368.283945] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1368.291221] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1368.298478] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1368.305777] percpu_ref_put_many+0x37/0x190 [ 1368.310092] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1368.315187] mem_cgroup_iter+0x907/0xac0 [ 1368.319241] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1368.323988] ? kasan_check_read+0x11/0x20 [ 1368.328124] ? mem_cgroup_protected+0x44/0x380 [ 1368.332692] ? vmpressure+0x19f/0x350 [ 1368.336492] shrink_node+0x402/0x1450 [ 1368.340294] ? shrink_node_memcg+0x13f0/0x13f0 [ 1368.344868] ? kvm_clock_read+0x18/0x30 [ 1368.348832] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1368.353839] ? ktime_get+0x202/0x2f0 [ 1368.357544] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1368.363069] ? __cpuset_node_allowed+0x136/0x540 [ 1368.367818] do_try_to_free_pages+0x3cb/0x11c0 [ 1368.372401] ? shrink_node+0x1450/0x1450 [ 1368.376463] try_to_free_pages+0x2ee/0x7f0 [ 1368.380695] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1368.385546] __alloc_pages_slowpath+0x990/0x2870 [ 1368.390310] ? warn_alloc+0x110/0x110 [ 1368.394101] ? __lock_is_held+0xb6/0x140 [ 1368.398166] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1368.403689] ? should_fail+0x14d/0x85c [ 1368.407574] ? __might_sleep+0x95/0x190 [ 1368.411560] __alloc_pages_nodemask+0x617/0x750 [ 1368.416242] ? kasan_check_read+0x11/0x20 [ 1368.420391] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1368.425414] ? find_get_entry+0x3e1/0xa00 [ 1368.429574] ? find_get_pages_contig+0xed0/0xed0 [ 1368.434326] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1368.439877] alloc_pages_current+0x107/0x210 [ 1368.444282] __page_cache_alloc+0x2bd/0x450 [ 1368.448605] ? kasan_check_read+0x11/0x20 [ 1368.452756] filemap_fault+0xfeb/0x1f00 [ 1368.456725] ? lock_downgrade+0x880/0x880 [ 1368.460875] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1368.465564] ? lock_acquire+0x16f/0x3f0 [ 1368.469555] ? ext4_filemap_fault+0x7b/0xaf [ 1368.473882] ext4_filemap_fault+0x83/0xaf [ 1368.478062] __do_fault+0x111/0x480 [ 1368.481713] __handle_mm_fault+0x2d78/0x3f80 [ 1368.486120] ? copy_page_range+0x2030/0x2030 [ 1368.490535] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1368.495218] handle_mm_fault+0x1b5/0x690 [ 1368.499279] __do_page_fault+0x62a/0xe90 [ 1368.503345] ? vmalloc_fault+0x740/0x740 [ 1368.507399] ? trace_hardirqs_off_caller+0x65/0x220 [ 1368.512521] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1368.517450] ? page_fault+0x8/0x30 [ 1368.520986] do_page_fault+0x71/0x57d [ 1368.524782] ? page_fault+0x8/0x30 [ 1368.528446] page_fault+0x1e/0x30 [ 1368.531898] RIP: 0033:0x45b153 [ 1368.535095] Code: Bad RIP value. [ 1368.538470] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1368.543835] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1368.551100] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1368.558374] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1368.565638] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1368.572908] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1368.580202] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1368.580216] warn_alloc_show_mem: 1 callbacks suppressed [ 1368.580220] Mem-Info: [ 1368.587393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1368.587402] Call Trace: [ 1368.592782] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1368.592782] active_file:12 inactive_file:12 isolated_file:0 [ 1368.592782] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1368.592782] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1368.592782] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1368.592782] free:10883 free_pcp:183 free_cma:0 [ 1368.595182] dump_stack+0x197/0x210 [ 1368.604546] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1368.607122] warn_alloc.cold+0x7b/0x173 [ 1368.640280] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1368.643906] ? zone_watermark_ok_safe+0x260/0x260 [ 1368.671387] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1368.675366] ? __cpuset_node_allowed+0x136/0x540 [ 1368.701270] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1368.706140] ? __isolate_free_page+0x4c0/0x4c0 [ 1368.732205] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1368.736959] ? wake_all_kswapds+0x14d/0x300 [ 1368.741946] lowmem_reserve[]: 0 0 1 1 1 [ 1368.746526] __alloc_pages_slowpath+0x2214/0x2870 [ 1368.775291] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1368.779622] ? warn_alloc+0x110/0x110 [ 1368.783547] lowmem_reserve[]: 0 0 0 0 0 [ 1368.788393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1368.814124] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1368.817915] ? should_fail+0x14d/0x85c [ 1368.821861] lowmem_reserve[]: 0 0 0 0 0 [ 1368.827394] ? __isolate_free_page+0x4c0/0x4c0 [ 1368.855218] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1368.859105] __alloc_pages_nodemask+0x617/0x750 [ 1368.863042] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1368.867619] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1368.879715] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1368.884393] cache_grow_begin+0x91/0x8c0 [ 1368.898406] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1368.903414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1368.914053] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1368.918098] ? __cpuset_node_allowed+0x136/0x540 [ 1368.933594] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1368.939128] fallback_alloc+0x1fd/0x2d0 [ 1368.947943] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1368.952688] ____cache_alloc_node+0x1be/0x1e0 [ 1368.961230] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1368.961238] 269 total pagecache pages [ 1368.965201] kmem_cache_alloc_node+0xe3/0x710 [ 1368.974024] 0 pages in swap cache [ 1368.978509] __alloc_skb+0xd5/0x5f0 [ 1368.987075] Swap cache stats: add 0, delete 0, find 0/0 [ 1368.987085] Free swap = 0kB [ 1368.990901] ? skb_trim+0x190/0x190 [ 1368.995363] Total swap = 0kB [ 1368.998825] ? check_preemption_disabled+0x48/0x290 [ 1369.002446] 1965979 pages RAM [ 1369.007789] ? lock_acquire+0x16f/0x3f0 [ 1369.010782] 0 pages HighMem/MovableOnly [ 1369.014413] new_skb+0x28/0x1d0 [ 1369.017404] 341726 pages reserved [ 1369.022414] aoecmd_cfg+0x1b5/0x640 [ 1369.025491] 0 pages cma reserved [ 1369.029456] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1369.033607] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1369.036679] ? timer_reduce+0x11d0/0x11d0 [ 1369.040121] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1369.043771] discover_timer+0x4e/0x60 [ 1369.074263] call_timer_fn+0x18d/0x720 [ 1369.078143] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1369.082802] ? process_timeout+0x40/0x40 [ 1369.086856] ? run_timer_softirq+0x644/0x16a0 [ 1369.091359] ? trace_hardirqs_on+0x67/0x220 [ 1369.095681] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1369.100340] run_timer_softirq+0x64f/0x16a0 [ 1369.104658] ? add_timer+0xbe0/0xbe0 [ 1369.108366] ? kvm_clock_read+0x18/0x30 [ 1369.112337] ? check_preemption_disabled+0x48/0x290 [ 1369.117346] ? sched_clock+0x2e/0x50 [ 1369.121063] __do_softirq+0x25c/0x921 [ 1369.124856] ? preempt_schedule_common+0x4f/0xe0 [ 1369.129616] ? takeover_tasklets+0x7b0/0x7b0 [ 1369.134022] run_ksoftirqd+0x8e/0x110 [ 1369.137820] smpboot_thread_fn+0x6a3/0xa30 [ 1369.142048] ? sort_range+0x30/0x30 [ 1369.145666] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1369.151197] ? __kthread_parkme+0xfb/0x1b0 [ 1369.155426] kthread+0x354/0x420 [ 1369.158796] ? sort_range+0x30/0x30 [ 1369.162425] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1369.167953] ret_from_fork+0x24/0x30 [ 1369.171686] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1369.171749] aoe: skb alloc failure [ 1369.179043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1369.179047] Call Trace: [ 1369.179053] [ 1369.179069] dump_stack+0x197/0x210 [ 1369.179086] warn_alloc.cold+0x7b/0x173 [ 1369.182622] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1369.191952] ? zone_watermark_ok_safe+0x260/0x260 [ 1369.194509] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1369.196661] ? __cpuset_node_allowed+0x136/0x540 [ 1369.228911] ? __isolate_free_page+0x4c0/0x4c0 [ 1369.233486] ? wake_all_kswapds+0x14d/0x300 [ 1369.237810] __alloc_pages_slowpath+0x2214/0x2870 [ 1369.242663] ? warn_alloc+0x110/0x110 [ 1369.246460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1369.251987] ? should_fail+0x14d/0x85c [ 1369.255882] ? __isolate_free_page+0x4c0/0x4c0 [ 1369.260464] __alloc_pages_nodemask+0x617/0x750 [ 1369.265129] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1369.270158] cache_grow_begin+0x91/0x8c0 [ 1369.274229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1369.279756] ? __cpuset_node_allowed+0x136/0x540 [ 1369.284503] fallback_alloc+0x1fd/0x2d0 [ 1369.288472] ____cache_alloc_node+0x1be/0x1e0 [ 1369.292972] kmem_cache_alloc_node+0xe3/0x710 [ 1369.297458] ? queue_work_on+0xe2/0x200 [ 1369.301440] ? switchdev_deferred_enqueue+0x1ad/0x220 [ 1369.306655] ? queue_work_on+0xe2/0x200 [ 1369.310633] __alloc_skb+0xd5/0x5f0 [ 1369.314268] ? skb_trim+0x190/0x190 [ 1369.317908] ? switchdev_port_obj_del_now+0x1e0/0x1e0 [ 1369.323119] ? switchdev_deferred_enqueue+0x1b2/0x220 [ 1369.328313] __br_mdb_notify+0x2af/0xe40 [ 1369.332377] ? __br_mdb_add+0x7b0/0x7b0 [ 1369.336357] ? br_multicast_group_expired+0xe4/0x410 [ 1369.341466] ? debug_object_deactivate+0x1e4/0x360 [ 1369.346391] br_mdb_notify+0x20d/0x2d0 [ 1369.350275] ? br_mdb_dump+0x1fe0/0x1fe0 [ 1369.354328] ? lock_acquire+0x16f/0x3f0 [ 1369.358294] ? kasan_check_write+0x14/0x20 [ 1369.362516] ? do_raw_spin_lock+0xc8/0x240 [ 1369.366758] br_multicast_group_expired+0x141/0x410 [ 1369.371779] call_timer_fn+0x18d/0x720 [ 1369.375655] ? br_mdb_free+0x80/0x80 [ 1369.379359] ? process_timeout+0x40/0x40 [ 1369.383407] ? run_timer_softirq+0x644/0x16a0 [ 1369.387897] ? trace_hardirqs_on+0x67/0x220 [ 1369.392226] ? br_mdb_free+0x80/0x80 [ 1369.395933] run_timer_softirq+0x64f/0x16a0 [ 1369.400249] ? add_timer+0xbe0/0xbe0 [ 1369.403971] ? __lock_is_held+0xb6/0x140 [ 1369.408034] __do_softirq+0x25c/0x921 [ 1369.411830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1369.417365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1369.422908] irq_exit+0x180/0x1d0 [ 1369.426357] smp_apic_timer_interrupt+0x13b/0x550 [ 1369.431192] apic_timer_interrupt+0xf/0x20 [ 1369.435428] [ 1369.437660] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1369.442235] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1369.461136] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1369.468832] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1369.476088] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1369.483346] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1369.490603] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1369.497863] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1369.505168] percpu_ref_put_many+0x37/0x190 [ 1369.509504] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1369.514607] mem_cgroup_iter+0x907/0xac0 [ 1369.518693] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1369.523443] ? kasan_check_read+0x11/0x20 [ 1369.527594] ? mem_cgroup_protected+0x44/0x380 [ 1369.532172] ? vmpressure+0x19f/0x350 [ 1369.535974] shrink_node+0x402/0x1450 [ 1369.539801] ? shrink_node_memcg+0x13f0/0x13f0 [ 1369.544390] ? kvm_clock_read+0x18/0x30 [ 1369.548357] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1369.553371] ? ktime_get+0x202/0x2f0 [ 1369.557079] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1369.562606] ? __cpuset_node_allowed+0x136/0x540 [ 1369.567354] do_try_to_free_pages+0x3cb/0x11c0 [ 1369.571942] ? shrink_node+0x1450/0x1450 [ 1369.576004] try_to_free_pages+0x2ee/0x7f0 [ 1369.580346] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1369.585198] __alloc_pages_slowpath+0x990/0x2870 [ 1369.589960] ? warn_alloc+0x110/0x110 [ 1369.593754] ? __lock_is_held+0xb6/0x140 [ 1369.597814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1369.603343] ? should_fail+0x14d/0x85c [ 1369.607239] ? __might_sleep+0x95/0x190 [ 1369.611211] __alloc_pages_nodemask+0x617/0x750 [ 1369.615872] ? kasan_check_read+0x11/0x20 [ 1369.620018] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1369.625040] ? find_get_entry+0x3e1/0xa00 [ 1369.629182] ? find_get_pages_contig+0xed0/0xed0 [ 1369.633930] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1369.639466] alloc_pages_current+0x107/0x210 [ 1369.643883] __page_cache_alloc+0x2bd/0x450 [ 1369.648196] ? kasan_check_read+0x11/0x20 [ 1369.652337] filemap_fault+0xfeb/0x1f00 [ 1369.656304] ? lock_downgrade+0x880/0x880 [ 1369.660452] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1369.665138] ? lock_acquire+0x16f/0x3f0 [ 1369.669123] ? ext4_filemap_fault+0x7b/0xaf [ 1369.673464] ext4_filemap_fault+0x83/0xaf [ 1369.677642] __do_fault+0x111/0x480 [ 1369.681283] __handle_mm_fault+0x2d78/0x3f80 [ 1369.685699] ? copy_page_range+0x2030/0x2030 [ 1369.690122] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1369.694809] handle_mm_fault+0x1b5/0x690 [ 1369.698869] __do_page_fault+0x62a/0xe90 [ 1369.702926] ? vmalloc_fault+0x740/0x740 [ 1369.706979] ? trace_hardirqs_off_caller+0x65/0x220 [ 1369.711995] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1369.716915] ? page_fault+0x8/0x30 [ 1369.720447] do_page_fault+0x71/0x57d [ 1369.724235] ? page_fault+0x8/0x30 [ 1369.727764] page_fault+0x1e/0x30 [ 1369.731206] RIP: 0033:0x45b153 [ 1369.734410] Code: Bad RIP value. [ 1369.737773] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1369.743123] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1369.750382] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1369.757643] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1369.764901] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1369.772160] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1369.779437] warn_alloc_show_mem: 1 callbacks suppressed [ 1369.779447] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1369.779449] Mem-Info: [ 1369.779476] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1369.779476] active_file:12 inactive_file:12 isolated_file:0 [ 1369.779476] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1369.779476] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1369.779476] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1369.779476] free:10883 free_pcp:183 free_cma:0 [ 1369.784815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1369.792001] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1369.794390] Call Trace: [ 1369.827530] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1369.836863] dump_stack+0x197/0x210 [ 1369.864330] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1369.866913] warn_alloc.cold+0x7b/0x173 [ 1369.892741] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1369.896382] ? zone_watermark_ok_safe+0x260/0x260 [ 1369.922462] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1369.926430] ? __cpuset_node_allowed+0x136/0x540 [ 1369.931414] lowmem_reserve[]: 0 0 1 1 1 [ 1369.936255] ? __isolate_free_page+0x4c0/0x4c0 [ 1369.965022] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1369.969769] ? wake_all_kswapds+0x14d/0x300 [ 1369.973709] lowmem_reserve[]: 0 0 0 0 0 [ 1369.978306] __alloc_pages_slowpath+0x2214/0x2870 [ 1370.004036] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1370.008365] ? warn_alloc+0x110/0x110 [ 1370.012292] lowmem_reserve[]: 0 0 0 0 0 [ 1370.017133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1370.044949] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1370.048741] ? should_fail+0x14d/0x85c [ 1370.052697] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1370.058228] ? __isolate_free_page+0x4c0/0x4c0 [ 1370.070355] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1370.074272] __alloc_pages_nodemask+0x617/0x750 [ 1370.088290] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1370.092884] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1370.103509] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1370.108190] cache_grow_begin+0x91/0x8c0 [ 1370.123680] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1370.128700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1370.137511] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1370.141575] ? __cpuset_node_allowed+0x136/0x540 [ 1370.150127] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1370.155646] fallback_alloc+0x1fd/0x2d0 [ 1370.164456] 269 total pagecache pages [ 1370.169208] ____cache_alloc_node+0x1be/0x1e0 [ 1370.177769] 0 pages in swap cache [ 1370.181728] kmem_cache_alloc_node+0xe3/0x710 [ 1370.185505] Swap cache stats: add 0, delete 0, find 0/0 [ 1370.189991] __alloc_skb+0xd5/0x5f0 [ 1370.193422] Free swap = 0kB [ 1370.197904] ? skb_trim+0x190/0x190 [ 1370.203235] Total swap = 0kB [ 1370.203243] 1965979 pages RAM [ 1370.206874] ? check_preemption_disabled+0x48/0x290 [ 1370.209862] 0 pages HighMem/MovableOnly [ 1370.213486] ? lock_acquire+0x16f/0x3f0 [ 1370.216477] 341726 pages reserved [ 1370.216484] 0 pages cma reserved [ 1370.219583] new_skb+0x28/0x1d0 [ 1370.224695] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1370.228538] aoecmd_cfg+0x1b5/0x640 [ 1370.232487] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1370.235944] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1370.265409] ? timer_reduce+0x11d0/0x11d0 [ 1370.269557] discover_timer+0x4e/0x60 [ 1370.273360] call_timer_fn+0x18d/0x720 [ 1370.277238] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1370.281899] ? process_timeout+0x40/0x40 [ 1370.285948] ? run_timer_softirq+0x644/0x16a0 [ 1370.290437] ? trace_hardirqs_on+0x67/0x220 [ 1370.294756] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1370.299412] run_timer_softirq+0x64f/0x16a0 [ 1370.303733] ? add_timer+0xbe0/0xbe0 [ 1370.307436] ? kvm_clock_read+0x18/0x30 [ 1370.311401] ? check_preemption_disabled+0x48/0x290 [ 1370.316408] ? sched_clock+0x2e/0x50 [ 1370.320122] __do_softirq+0x25c/0x921 [ 1370.323912] ? preempt_schedule_common+0x4f/0xe0 [ 1370.328667] ? takeover_tasklets+0x7b0/0x7b0 [ 1370.333078] run_ksoftirqd+0x8e/0x110 [ 1370.336882] smpboot_thread_fn+0x6a3/0xa30 [ 1370.341109] ? sort_range+0x30/0x30 [ 1370.344738] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1370.350268] ? __kthread_parkme+0xfb/0x1b0 [ 1370.354500] kthread+0x354/0x420 [ 1370.357858] ? sort_range+0x30/0x30 [ 1370.361474] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1370.367001] ret_from_fork+0x24/0x30 [ 1370.370719] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1370.370779] aoe: skb alloc failure [ 1370.378076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1370.378081] Call Trace: [ 1370.378087] [ 1370.378103] dump_stack+0x197/0x210 [ 1370.378120] warn_alloc.cold+0x7b/0x173 [ 1370.381787] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1370.391154] ? zone_watermark_ok_safe+0x260/0x260 [ 1370.393710] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1370.395854] ? __cpuset_node_allowed+0x136/0x540 [ 1370.428184] ? __isolate_free_page+0x4c0/0x4c0 [ 1370.432762] ? wake_all_kswapds+0x14d/0x300 [ 1370.437081] __alloc_pages_slowpath+0x2214/0x2870 [ 1370.441932] ? warn_alloc+0x110/0x110 [ 1370.445724] ? __lock_acquire+0x6ee/0x49c0 [ 1370.449948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1370.455490] ? should_fail+0x14d/0x85c [ 1370.459374] ? __isolate_free_page+0x4c0/0x4c0 [ 1370.463967] __alloc_pages_nodemask+0x617/0x750 [ 1370.468642] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1370.473667] ? find_held_lock+0x35/0x130 [ 1370.477721] cache_grow_begin+0x91/0x8c0 [ 1370.481774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1370.487299] ? __cpuset_node_allowed+0x136/0x540 [ 1370.495782] fallback_alloc+0x1fd/0x2d0 [ 1370.499755] ____cache_alloc_node+0x1be/0x1e0 [ 1370.504253] kmem_cache_alloc+0x1f3/0x700 [ 1370.508403] ? mark_held_locks+0xb1/0x100 [ 1370.512547] ? __netdev_alloc_skb+0x370/0x470 [ 1370.517033] __build_skb+0x3e/0x310 [ 1370.520652] __netdev_alloc_skb+0x2ba/0x470 [ 1370.524978] send_hsr_supervision_frame+0x110/0xf30 [ 1370.529989] ? lock_acquire+0x16f/0x3f0 [ 1370.533958] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1370.538966] hsr_announce+0x12f/0x3b0 [ 1370.542934] call_timer_fn+0x18d/0x720 [ 1370.546820] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1370.552107] ? process_timeout+0x40/0x40 [ 1370.556168] ? run_timer_softirq+0x644/0x16a0 [ 1370.560676] ? trace_hardirqs_on+0x67/0x220 [ 1370.564998] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1370.570183] run_timer_softirq+0x64f/0x16a0 [ 1370.574573] ? add_timer+0xbe0/0xbe0 [ 1370.578293] ? __lock_is_held+0xb6/0x140 [ 1370.582362] __do_softirq+0x25c/0x921 [ 1370.586270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1370.591823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1370.597384] irq_exit+0x180/0x1d0 [ 1370.600862] smp_apic_timer_interrupt+0x13b/0x550 [ 1370.605707] apic_timer_interrupt+0xf/0x20 [ 1370.609932] [ 1370.612180] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1370.616760] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1370.635654] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1370.643353] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1370.650610] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1370.657886] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1370.665151] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1370.672412] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1370.679698] percpu_ref_put_many+0x37/0x190 [ 1370.684011] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1370.689103] mem_cgroup_iter+0x907/0xac0 [ 1370.693159] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1370.697907] ? kasan_check_read+0x11/0x20 [ 1370.702044] ? mem_cgroup_protected+0x44/0x380 [ 1370.706616] ? vmpressure+0x19f/0x350 [ 1370.710408] shrink_node+0x402/0x1450 [ 1370.714213] ? shrink_node_memcg+0x13f0/0x13f0 [ 1370.718784] ? kvm_clock_read+0x18/0x30 [ 1370.722759] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1370.727766] ? ktime_get+0x202/0x2f0 [ 1370.731474] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1370.737023] ? __cpuset_node_allowed+0x136/0x540 [ 1370.741783] do_try_to_free_pages+0x3cb/0x11c0 [ 1370.746391] ? shrink_node+0x1450/0x1450 [ 1370.750468] try_to_free_pages+0x2ee/0x7f0 [ 1370.754711] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1370.759584] __alloc_pages_slowpath+0x990/0x2870 [ 1370.764371] ? warn_alloc+0x110/0x110 [ 1370.768171] ? __lock_is_held+0xb6/0x140 [ 1370.772231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1370.777763] ? should_fail+0x14d/0x85c [ 1370.781652] ? __might_sleep+0x95/0x190 [ 1370.785621] __alloc_pages_nodemask+0x617/0x750 [ 1370.790285] ? kasan_check_read+0x11/0x20 [ 1370.794427] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1370.799440] ? find_get_entry+0x3e1/0xa00 [ 1370.803587] ? find_get_pages_contig+0xed0/0xed0 [ 1370.808333] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1370.813865] alloc_pages_current+0x107/0x210 [ 1370.818268] __page_cache_alloc+0x2bd/0x450 [ 1370.822585] ? kasan_check_read+0x11/0x20 [ 1370.826725] filemap_fault+0xfeb/0x1f00 [ 1370.830695] ? lock_downgrade+0x880/0x880 [ 1370.834842] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1370.839504] ? lock_acquire+0x16f/0x3f0 [ 1370.843484] ? ext4_filemap_fault+0x7b/0xaf [ 1370.847808] ext4_filemap_fault+0x83/0xaf [ 1370.851947] __do_fault+0x111/0x480 [ 1370.855570] __handle_mm_fault+0x2d78/0x3f80 [ 1370.859972] ? copy_page_range+0x2030/0x2030 [ 1370.864405] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1370.869069] handle_mm_fault+0x1b5/0x690 [ 1370.873129] __do_page_fault+0x62a/0xe90 [ 1370.877186] ? vmalloc_fault+0x740/0x740 [ 1370.881253] ? trace_hardirqs_off_caller+0x65/0x220 [ 1370.886261] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1370.891181] ? page_fault+0x8/0x30 [ 1370.894716] do_page_fault+0x71/0x57d [ 1370.898512] ? page_fault+0x8/0x30 [ 1370.902043] page_fault+0x1e/0x30 [ 1370.905483] RIP: 0033:0x45b153 [ 1370.908679] Code: Bad RIP value. [ 1370.912030] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1370.917381] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1370.924639] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1370.931902] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1370.939163] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1370.946423] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1370.953700] warn_alloc_show_mem: 1 callbacks suppressed [ 1370.953709] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1370.953711] Mem-Info: [ 1370.953746] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1370.953746] active_file:12 inactive_file:12 isolated_file:0 [ 1370.953746] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1370.953746] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1370.953746] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1370.953746] free:10883 free_pcp:183 free_cma:0 [ 1370.959079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1370.966276] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1370.968664] Call Trace: [ 1371.001804] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1371.011134] dump_stack+0x197/0x210 [ 1371.038598] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1371.041189] warn_alloc.cold+0x7b/0x173 [ 1371.067013] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1371.070643] ? zone_watermark_ok_safe+0x260/0x260 [ 1371.096724] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1371.100696] ? __cpuset_node_allowed+0x136/0x540 [ 1371.105689] lowmem_reserve[]: 0 0 1 1 1 [ 1371.110533] ? __isolate_free_page+0x4c0/0x4c0 [ 1371.139323] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1371.144095] ? wake_all_kswapds+0x14d/0x300 [ 1371.148042] lowmem_reserve[]: 0 0 0 0 0 [ 1371.152635] __alloc_pages_slowpath+0x2214/0x2870 [ 1371.178382] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1371.182736] ? warn_alloc+0x110/0x110 [ 1371.186650] lowmem_reserve[]: 0 0 0 0 0 [ 1371.191498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1371.219309] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1371.223116] ? should_fail+0x14d/0x85c [ 1371.227059] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1371.232590] ? __isolate_free_page+0x4c0/0x4c0 [ 1371.244705] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1371.248594] __alloc_pages_nodemask+0x617/0x750 [ 1371.262612] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1371.267192] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1371.277823] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1371.282496] cache_grow_begin+0x91/0x8c0 [ 1371.297982] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1371.302984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1371.311800] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1371.311813] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1371.315869] ? __cpuset_node_allowed+0x136/0x540 [ 1371.324418] 269 total pagecache pages [ 1371.329943] fallback_alloc+0x1fd/0x2d0 [ 1371.338758] 0 pages in swap cache [ 1371.347320] ____cache_alloc_node+0x1be/0x1e0 [ 1371.352043] Swap cache stats: add 0, delete 0, find 0/0 [ 1371.352050] Free swap = 0kB [ 1371.355841] kmem_cache_alloc_node+0xe3/0x710 [ 1371.359799] Total swap = 0kB [ 1371.363244] __alloc_skb+0xd5/0x5f0 [ 1371.367703] 1965979 pages RAM [ 1371.367710] 0 pages HighMem/MovableOnly [ 1371.373060] ? skb_trim+0x190/0x190 [ 1371.376048] 341726 pages reserved [ 1371.376055] 0 pages cma reserved [ 1371.380541] ? check_preemption_disabled+0x48/0x290 [ 1371.383665] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1371.387145] ? lock_acquire+0x16f/0x3f0 [ 1371.390223] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1371.394189] new_skb+0x28/0x1d0 [ 1371.431705] aoecmd_cfg+0x1b5/0x640 [ 1371.435324] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1371.439643] ? timer_reduce+0x11d0/0x11d0 [ 1371.443790] discover_timer+0x4e/0x60 [ 1371.447579] call_timer_fn+0x18d/0x720 [ 1371.451474] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1371.456134] ? process_timeout+0x40/0x40 [ 1371.460182] ? run_timer_softirq+0x644/0x16a0 [ 1371.464698] ? trace_hardirqs_on+0x67/0x220 [ 1371.469037] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1371.473712] run_timer_softirq+0x64f/0x16a0 [ 1371.478066] ? add_timer+0xbe0/0xbe0 [ 1371.481786] ? kvm_clock_read+0x18/0x30 [ 1371.485763] ? check_preemption_disabled+0x48/0x290 [ 1371.490776] ? sched_clock+0x2e/0x50 [ 1371.494501] __do_softirq+0x25c/0x921 [ 1371.498299] ? preempt_schedule_common+0x4f/0xe0 [ 1371.503074] ? takeover_tasklets+0x7b0/0x7b0 [ 1371.507479] run_ksoftirqd+0x8e/0x110 [ 1371.511274] smpboot_thread_fn+0x6a3/0xa30 [ 1371.515503] ? sort_range+0x30/0x30 [ 1371.519123] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1371.525966] ? __kthread_parkme+0xfb/0x1b0 [ 1371.530196] kthread+0x354/0x420 [ 1371.533555] ? sort_range+0x30/0x30 [ 1371.537174] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1371.542715] ret_from_fork+0x24/0x30 [ 1371.546440] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1371.546505] aoe: skb alloc failure [ 1371.553799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1371.553807] Call Trace: [ 1371.557388] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1371.566670] [ 1371.569236] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1371.579564] dump_stack+0x197/0x210 [ 1371.590163] warn_alloc.cold+0x7b/0x173 [ 1371.594149] ? zone_watermark_ok_safe+0x260/0x260 [ 1371.598995] ? __cpuset_node_allowed+0x136/0x540 [ 1371.603749] ? __isolate_free_page+0x4c0/0x4c0 [ 1371.608324] ? wake_all_kswapds+0x14d/0x300 [ 1371.612643] __alloc_pages_slowpath+0x2214/0x2870 [ 1371.617498] ? warn_alloc+0x110/0x110 [ 1371.621296] ? __lock_acquire+0x6ee/0x49c0 [ 1371.625539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1371.631079] ? should_fail+0x14d/0x85c [ 1371.634959] ? __isolate_free_page+0x4c0/0x4c0 [ 1371.639540] __alloc_pages_nodemask+0x617/0x750 [ 1371.644207] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1371.649235] ? find_held_lock+0x35/0x130 [ 1371.653300] cache_grow_begin+0x91/0x8c0 [ 1371.657353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1371.662892] ? __cpuset_node_allowed+0x136/0x540 [ 1371.667664] fallback_alloc+0x1fd/0x2d0 [ 1371.671643] ____cache_alloc_node+0x1be/0x1e0 [ 1371.676141] kmem_cache_alloc_node+0xe3/0x710 [ 1371.680638] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1371.684874] __alloc_skb+0xd5/0x5f0 [ 1371.688493] ? skb_trim+0x190/0x190 [ 1371.692121] ? kasan_check_read+0x11/0x20 [ 1371.696278] ndisc_alloc_skb+0x13c/0x340 [ 1371.700347] ndisc_send_rs+0x35f/0x6e0 [ 1371.704240] addrconf_rs_timer+0x30f/0x680 [ 1371.708475] ? ipv6_get_lladdr+0x490/0x490 [ 1371.712710] call_timer_fn+0x18d/0x720 [ 1371.716591] ? ipv6_get_lladdr+0x490/0x490 [ 1371.720817] ? process_timeout+0x40/0x40 [ 1371.724868] ? run_timer_softirq+0x644/0x16a0 [ 1371.729357] ? trace_hardirqs_on+0x67/0x220 [ 1371.733672] ? ipv6_get_lladdr+0x490/0x490 [ 1371.737896] run_timer_softirq+0x64f/0x16a0 [ 1371.742473] ? add_timer+0xbe0/0xbe0 [ 1371.746178] ? __lock_is_held+0xb6/0x140 [ 1371.750242] __do_softirq+0x25c/0x921 [ 1371.754033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1371.759556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1371.765090] irq_exit+0x180/0x1d0 [ 1371.768531] smp_apic_timer_interrupt+0x13b/0x550 [ 1371.773376] apic_timer_interrupt+0xf/0x20 [ 1371.777595] [ 1371.779833] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1371.784407] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1371.803312] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1371.811007] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1371.818264] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1371.825521] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1371.832778] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1371.840043] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1371.847351] percpu_ref_put_many+0x37/0x190 [ 1371.851671] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1371.856788] mem_cgroup_iter+0x907/0xac0 [ 1371.860858] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1371.865615] ? kasan_check_read+0x11/0x20 [ 1371.869766] ? mem_cgroup_protected+0x44/0x380 [ 1371.874344] ? vmpressure+0x19f/0x350 [ 1371.878150] shrink_node+0x402/0x1450 [ 1371.881959] ? shrink_node_memcg+0x13f0/0x13f0 [ 1371.886531] ? kvm_clock_read+0x18/0x30 [ 1371.890497] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1371.895768] ? ktime_get+0x202/0x2f0 [ 1371.899477] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1371.905013] ? __cpuset_node_allowed+0x136/0x540 [ 1371.909765] do_try_to_free_pages+0x3cb/0x11c0 [ 1371.914350] ? shrink_node+0x1450/0x1450 [ 1371.918411] try_to_free_pages+0x2ee/0x7f0 [ 1371.922641] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1371.927505] __alloc_pages_slowpath+0x990/0x2870 [ 1371.932274] ? warn_alloc+0x110/0x110 [ 1371.936065] ? __lock_is_held+0xb6/0x140 [ 1371.940120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1371.945651] ? should_fail+0x14d/0x85c [ 1371.949541] ? __might_sleep+0x95/0x190 [ 1371.953519] __alloc_pages_nodemask+0x617/0x750 [ 1371.958183] ? kasan_check_read+0x11/0x20 [ 1371.962324] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1371.967330] ? find_get_entry+0x3e1/0xa00 [ 1371.971473] ? find_get_pages_contig+0xed0/0xed0 [ 1371.976219] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1371.981752] alloc_pages_current+0x107/0x210 [ 1371.986159] __page_cache_alloc+0x2bd/0x450 [ 1371.990473] ? kasan_check_read+0x11/0x20 [ 1371.994618] filemap_fault+0xfeb/0x1f00 [ 1371.998595] ? lock_downgrade+0x880/0x880 [ 1372.002752] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1372.007428] ? lock_acquire+0x16f/0x3f0 [ 1372.011404] ? ext4_filemap_fault+0x7b/0xaf [ 1372.015730] ext4_filemap_fault+0x83/0xaf [ 1372.019867] __do_fault+0x111/0x480 [ 1372.023490] __handle_mm_fault+0x2d78/0x3f80 [ 1372.027900] ? copy_page_range+0x2030/0x2030 [ 1372.032315] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1372.036975] handle_mm_fault+0x1b5/0x690 [ 1372.041033] __do_page_fault+0x62a/0xe90 [ 1372.045093] ? vmalloc_fault+0x740/0x740 [ 1372.049150] ? trace_hardirqs_off_caller+0x65/0x220 [ 1372.054168] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1372.059090] ? page_fault+0x8/0x30 [ 1372.062625] do_page_fault+0x71/0x57d [ 1372.066426] ? page_fault+0x8/0x30 [ 1372.069959] page_fault+0x1e/0x30 [ 1372.073405] RIP: 0033:0x45b153 [ 1372.076599] Code: Bad RIP value. [ 1372.079951] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1372.085301] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1372.092558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1372.099821] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1372.107090] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1372.114361] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1372.121636] warn_alloc_show_mem: 1 callbacks suppressed [ 1372.121645] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1372.121647] Mem-Info: [ 1372.121676] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1372.121676] active_file:12 inactive_file:12 isolated_file:0 [ 1372.121676] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1372.121676] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1372.121676] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1372.121676] free:10883 free_pcp:183 free_cma:0 [ 1372.127022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1372.127029] Call Trace: [ 1372.134216] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1372.136620] dump_stack+0x197/0x210 [ 1372.169756] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1372.179088] warn_alloc.cold+0x7b/0x173 [ 1372.181646] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1372.209141] ? zone_watermark_ok_safe+0x260/0x260 [ 1372.212734] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1372.238611] ? __cpuset_node_allowed+0x136/0x540 [ 1372.242560] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1372.268682] ? __isolate_free_page+0x4c0/0x4c0 [ 1372.273487] lowmem_reserve[]: 0 0 1 1 1 [ 1372.278501] ? wake_all_kswapds+0x14d/0x300 [ 1372.283226] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1372.312025] __alloc_pages_slowpath+0x2214/0x2870 [ 1372.316572] lowmem_reserve[]: 0 0 0 0 0 [ 1372.320565] ? warn_alloc+0x110/0x110 [ 1372.324857] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1372.350611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1372.355419] lowmem_reserve[]: 0 0 0 0 0 [ 1372.359478] ? should_fail+0x14d/0x85c [ 1372.363250] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1372.391127] ? __isolate_free_page+0x4c0/0x4c0 [ 1372.396643] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1372.400616] __alloc_pages_nodemask+0x617/0x750 [ 1372.404471] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1372.416740] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1372.421304] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1372.435365] cache_grow_begin+0x91/0x8c0 [ 1372.440000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1372.450641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1372.455641] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1372.471141] ? __cpuset_node_allowed+0x136/0x540 [ 1372.475174] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1372.483994] fallback_alloc+0x1fd/0x2d0 [ 1372.489502] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1372.489510] 269 total pagecache pages [ 1372.498076] ____cache_alloc_node+0x1be/0x1e0 [ 1372.502809] 0 pages in swap cache [ 1372.511630] kmem_cache_alloc_node+0xe3/0x710 [ 1372.515583] Swap cache stats: add 0, delete 0, find 0/0 [ 1372.524153] __alloc_skb+0xd5/0x5f0 [ 1372.527919] Free swap = 0kB [ 1372.527926] Total swap = 0kB [ 1372.532409] ? skb_trim+0x190/0x190 [ 1372.535838] 1965979 pages RAM [ 1372.540322] ? check_preemption_disabled+0x48/0x290 [ 1372.545674] 0 pages HighMem/MovableOnly [ 1372.545691] 341726 pages reserved [ 1372.549327] ? lock_acquire+0x16f/0x3f0 [ 1372.552326] 0 pages cma reserved [ 1372.552396] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1372.555373] new_skb+0x28/0x1d0 [ 1372.555389] aoecmd_cfg+0x1b5/0x640 [ 1372.559054] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1372.562120] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1372.567125] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1372.571095] ? timer_reduce+0x11d0/0x11d0 [ 1372.618601] discover_timer+0x4e/0x60 [ 1372.622395] call_timer_fn+0x18d/0x720 [ 1372.626282] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1372.630943] ? process_timeout+0x40/0x40 [ 1372.634994] ? run_timer_softirq+0x644/0x16a0 [ 1372.639490] ? trace_hardirqs_on+0x67/0x220 [ 1372.643803] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1372.648463] run_timer_softirq+0x64f/0x16a0 [ 1372.652782] ? add_timer+0xbe0/0xbe0 [ 1372.656486] ? kvm_clock_read+0x18/0x30 [ 1372.660452] ? check_preemption_disabled+0x48/0x290 [ 1372.665470] ? sched_clock+0x2e/0x50 [ 1372.669186] __do_softirq+0x25c/0x921 [ 1372.672984] ? preempt_schedule_common+0x4f/0xe0 [ 1372.677738] ? takeover_tasklets+0x7b0/0x7b0 [ 1372.682137] run_ksoftirqd+0x8e/0x110 [ 1372.685931] smpboot_thread_fn+0x6a3/0xa30 [ 1372.690162] ? sort_range+0x30/0x30 [ 1372.693780] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1372.699828] ? __kthread_parkme+0xfb/0x1b0 [ 1372.704143] kthread+0x354/0x420 [ 1372.707516] ? sort_range+0x30/0x30 [ 1372.711142] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1372.716680] ret_from_fork+0x24/0x30 [ 1372.720412] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1372.720479] aoe: skb alloc failure [ 1372.727784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1372.727789] Call Trace: [ 1372.727795] [ 1372.727813] dump_stack+0x197/0x210 [ 1372.727830] warn_alloc.cold+0x7b/0x173 [ 1372.731386] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1372.740722] ? zone_watermark_ok_safe+0x260/0x260 [ 1372.743277] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1372.745417] ? __cpuset_node_allowed+0x136/0x540 [ 1372.777799] ? __isolate_free_page+0x4c0/0x4c0 [ 1372.782400] ? wake_all_kswapds+0x14d/0x300 [ 1372.786735] __alloc_pages_slowpath+0x2214/0x2870 [ 1372.791591] ? warn_alloc+0x110/0x110 [ 1372.795389] ? __lock_acquire+0x6ee/0x49c0 [ 1372.799622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1372.805155] ? should_fail+0x14d/0x85c [ 1372.809051] ? __isolate_free_page+0x4c0/0x4c0 [ 1372.813636] __alloc_pages_nodemask+0x617/0x750 [ 1372.818320] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1372.823347] ? find_held_lock+0x35/0x130 [ 1372.827409] cache_grow_begin+0x91/0x8c0 [ 1372.831468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1372.837255] ? __cpuset_node_allowed+0x136/0x540 [ 1372.842006] fallback_alloc+0x1fd/0x2d0 [ 1372.845977] ____cache_alloc_node+0x1be/0x1e0 [ 1372.850466] kmem_cache_alloc_node+0xe3/0x710 [ 1372.854956] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1372.859186] __alloc_skb+0xd5/0x5f0 [ 1372.862812] ? skb_trim+0x190/0x190 [ 1372.866428] ? kasan_check_read+0x11/0x20 [ 1372.870573] ndisc_alloc_skb+0x13c/0x340 [ 1372.874640] ndisc_send_rs+0x35f/0x6e0 [ 1372.878532] addrconf_rs_timer+0x30f/0x680 [ 1372.882769] ? ipv6_get_lladdr+0x490/0x490 [ 1372.887000] call_timer_fn+0x18d/0x720 [ 1372.890878] ? ipv6_get_lladdr+0x490/0x490 [ 1372.895104] ? process_timeout+0x40/0x40 [ 1372.899155] ? run_timer_softirq+0x644/0x16a0 [ 1372.903644] ? trace_hardirqs_on+0x67/0x220 [ 1372.907968] ? ipv6_get_lladdr+0x490/0x490 [ 1372.912192] run_timer_softirq+0x64f/0x16a0 [ 1372.916510] ? add_timer+0xbe0/0xbe0 [ 1372.920215] ? __lock_is_held+0xb6/0x140 [ 1372.924288] __do_softirq+0x25c/0x921 [ 1372.928080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1372.933684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1372.939251] irq_exit+0x180/0x1d0 [ 1372.942730] smp_apic_timer_interrupt+0x13b/0x550 [ 1372.947580] apic_timer_interrupt+0xf/0x20 [ 1372.951819] [ 1372.954067] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1372.958652] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1372.977555] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1372.985268] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1372.992528] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1372.999796] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1373.007059] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1373.014333] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1373.021622] percpu_ref_put_many+0x37/0x190 [ 1373.025938] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1373.031034] mem_cgroup_iter+0x907/0xac0 [ 1373.035104] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1373.039862] ? kasan_check_read+0x11/0x20 [ 1373.044004] ? mem_cgroup_protected+0x44/0x380 [ 1373.048668] ? vmpressure+0x19f/0x350 [ 1373.052485] shrink_node+0x402/0x1450 [ 1373.056291] ? shrink_node_memcg+0x13f0/0x13f0 [ 1373.060863] ? kvm_clock_read+0x18/0x30 [ 1373.064830] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1373.069862] ? ktime_get+0x202/0x2f0 [ 1373.073569] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1373.079096] ? __cpuset_node_allowed+0x136/0x540 [ 1373.083857] do_try_to_free_pages+0x3cb/0x11c0 [ 1373.088445] ? shrink_node+0x1450/0x1450 [ 1373.092507] try_to_free_pages+0x2ee/0x7f0 [ 1373.096740] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1373.101591] __alloc_pages_slowpath+0x990/0x2870 [ 1373.106355] ? warn_alloc+0x110/0x110 [ 1373.110149] ? __lock_is_held+0xb6/0x140 [ 1373.114204] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1373.119733] ? should_fail+0x14d/0x85c [ 1373.123623] ? __might_sleep+0x95/0x190 [ 1373.127604] __alloc_pages_nodemask+0x617/0x750 [ 1373.132267] ? kasan_check_read+0x11/0x20 [ 1373.136412] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1373.141419] ? find_get_entry+0x3e1/0xa00 [ 1373.145564] ? find_get_pages_contig+0xed0/0xed0 [ 1373.150309] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1373.155844] alloc_pages_current+0x107/0x210 [ 1373.160246] __page_cache_alloc+0x2bd/0x450 [ 1373.164558] ? kasan_check_read+0x11/0x20 [ 1373.168703] filemap_fault+0xfeb/0x1f00 [ 1373.172681] ? lock_downgrade+0x880/0x880 [ 1373.176832] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1373.181505] ? lock_acquire+0x16f/0x3f0 [ 1373.185482] ? ext4_filemap_fault+0x7b/0xaf [ 1373.189803] ext4_filemap_fault+0x83/0xaf [ 1373.193951] __do_fault+0x111/0x480 [ 1373.197572] __handle_mm_fault+0x2d78/0x3f80 [ 1373.201977] ? copy_page_range+0x2030/0x2030 [ 1373.206394] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1373.211066] handle_mm_fault+0x1b5/0x690 [ 1373.215125] __do_page_fault+0x62a/0xe90 [ 1373.219187] ? vmalloc_fault+0x740/0x740 [ 1373.223242] ? trace_hardirqs_off_caller+0x65/0x220 [ 1373.228250] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1373.233181] ? page_fault+0x8/0x30 [ 1373.236719] do_page_fault+0x71/0x57d [ 1373.240509] ? page_fault+0x8/0x30 [ 1373.244045] page_fault+0x1e/0x30 [ 1373.247488] RIP: 0033:0x45b153 [ 1373.250682] Code: Bad RIP value. [ 1373.254038] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1373.259391] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1373.266653] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1373.273915] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1373.281181] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1373.288454] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1373.295759] warn_alloc_show_mem: 1 callbacks suppressed [ 1373.295769] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1373.295771] Mem-Info: [ 1373.295801] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1373.295801] active_file:12 inactive_file:12 isolated_file:0 [ 1373.295801] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1373.295801] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1373.295801] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1373.295801] free:10883 free_pcp:183 free_cma:0 [ 1373.301138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1373.308358] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1373.310761] Call Trace: [ 1373.343916] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1373.353263] dump_stack+0x197/0x210 [ 1373.380724] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1373.383305] warn_alloc.cold+0x7b/0x173 [ 1373.409122] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1373.412752] ? zone_watermark_ok_safe+0x260/0x260 [ 1373.438838] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1373.442809] ? __cpuset_node_allowed+0x136/0x540 [ 1373.447788] lowmem_reserve[]: 0 0 1 1 1 [ 1373.452644] ? __isolate_free_page+0x4c0/0x4c0 [ 1373.481408] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1373.486154] ? wake_all_kswapds+0x14d/0x300 [ 1373.490095] lowmem_reserve[]: 0 0 0 0 0 [ 1373.494681] __alloc_pages_slowpath+0x2214/0x2870 [ 1373.520420] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1373.524756] ? warn_alloc+0x110/0x110 [ 1373.528688] lowmem_reserve[]: 0 0 0 0 0 [ 1373.533539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1373.561365] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1373.565171] ? should_fail+0x14d/0x85c [ 1373.569119] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1373.574668] ? __isolate_free_page+0x4c0/0x4c0 [ 1373.586781] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1373.590674] __alloc_pages_nodemask+0x617/0x750 [ 1373.604697] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1373.609274] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1373.619915] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1373.624586] cache_grow_begin+0x91/0x8c0 [ 1373.640202] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1373.645234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1373.654067] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1373.658124] ? __cpuset_node_allowed+0x136/0x540 [ 1373.666677] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1373.672203] fallback_alloc+0x1fd/0x2d0 [ 1373.681014] 269 total pagecache pages [ 1373.685768] ____cache_alloc_node+0x1be/0x1e0 [ 1373.694316] 0 pages in swap cache [ 1373.698280] kmem_cache_alloc_node+0xe3/0x710 [ 1373.702053] Swap cache stats: add 0, delete 0, find 0/0 [ 1373.706543] __alloc_skb+0xd5/0x5f0 [ 1373.709964] Free swap = 0kB [ 1373.714455] ? skb_trim+0x190/0x190 [ 1373.719790] Total swap = 0kB [ 1373.723406] ? check_preemption_disabled+0x48/0x290 [ 1373.726395] 1965979 pages RAM [ 1373.730015] ? lock_acquire+0x16f/0x3f0 [ 1373.733004] 0 pages HighMem/MovableOnly [ 1373.733011] 341726 pages reserved [ 1373.738027] new_skb+0x28/0x1d0 [ 1373.741099] 0 pages cma reserved [ 1373.745068] aoecmd_cfg+0x1b5/0x640 [ 1373.749071] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1373.752472] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1373.756761] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1373.760053] ? timer_reduce+0x11d0/0x11d0 [ 1373.763655] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1373.770143] discover_timer+0x4e/0x60 [ 1373.797272] call_timer_fn+0x18d/0x720 [ 1373.801149] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1373.805808] ? process_timeout+0x40/0x40 [ 1373.809859] ? run_timer_softirq+0x644/0x16a0 [ 1373.814349] ? trace_hardirqs_on+0x67/0x220 [ 1373.818664] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1373.823322] run_timer_softirq+0x64f/0x16a0 [ 1373.827639] ? add_timer+0xbe0/0xbe0 [ 1373.831341] ? kvm_clock_read+0x18/0x30 [ 1373.835306] ? check_preemption_disabled+0x48/0x290 [ 1373.840329] ? sched_clock+0x2e/0x50 [ 1373.844075] __do_softirq+0x25c/0x921 [ 1373.847879] ? preempt_schedule_common+0x4f/0xe0 [ 1373.852661] ? takeover_tasklets+0x7b0/0x7b0 [ 1373.857190] run_ksoftirqd+0x8e/0x110 [ 1373.860998] smpboot_thread_fn+0x6a3/0xa30 [ 1373.865242] ? sort_range+0x30/0x30 [ 1373.868876] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1373.874413] ? __kthread_parkme+0xfb/0x1b0 [ 1373.878648] kthread+0x354/0x420 [ 1373.882005] ? sort_range+0x30/0x30 [ 1373.885633] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1373.891162] ret_from_fork+0x24/0x30 [ 1373.894881] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1373.894943] aoe: skb alloc failure [ 1373.902249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1373.905820] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1373.915108] Call Trace: [ 1373.925399] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1373.927966] [ 1373.934940] dump_stack+0x197/0x210 [ 1373.938562] warn_alloc.cold+0x7b/0x173 [ 1373.942544] ? zone_watermark_ok_safe+0x260/0x260 [ 1373.947379] ? __cpuset_node_allowed+0x136/0x540 [ 1373.952130] ? __isolate_free_page+0x4c0/0x4c0 [ 1373.956701] ? wake_all_kswapds+0x14d/0x300 [ 1373.961018] __alloc_pages_slowpath+0x2214/0x2870 [ 1373.965868] ? warn_alloc+0x110/0x110 [ 1373.969660] ? __lock_acquire+0x6ee/0x49c0 [ 1373.973884] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1373.979409] ? should_fail+0x14d/0x85c [ 1373.983289] ? __isolate_free_page+0x4c0/0x4c0 [ 1373.987868] __alloc_pages_nodemask+0x617/0x750 [ 1373.992532] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1373.997552] ? find_held_lock+0x35/0x130 [ 1374.001608] cache_grow_begin+0x91/0x8c0 [ 1374.005668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1374.011220] ? __cpuset_node_allowed+0x136/0x540 [ 1374.015976] fallback_alloc+0x1fd/0x2d0 [ 1374.019953] ____cache_alloc_node+0x1be/0x1e0 [ 1374.024461] kmem_cache_alloc_node+0xe3/0x710 [ 1374.028956] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1374.033191] __alloc_skb+0xd5/0x5f0 [ 1374.036824] ? skb_trim+0x190/0x190 [ 1374.040450] ? kasan_check_read+0x11/0x20 [ 1374.044607] ndisc_alloc_skb+0x13c/0x340 [ 1374.048669] ndisc_send_rs+0x35f/0x6e0 [ 1374.052558] addrconf_rs_timer+0x30f/0x680 [ 1374.056798] ? ipv6_get_lladdr+0x490/0x490 [ 1374.061049] call_timer_fn+0x18d/0x720 [ 1374.064928] ? ipv6_get_lladdr+0x490/0x490 [ 1374.069164] ? process_timeout+0x40/0x40 [ 1374.073214] ? run_timer_softirq+0x644/0x16a0 [ 1374.077702] ? trace_hardirqs_on+0x67/0x220 [ 1374.082018] ? ipv6_get_lladdr+0x490/0x490 [ 1374.086241] run_timer_softirq+0x64f/0x16a0 [ 1374.090556] ? add_timer+0xbe0/0xbe0 [ 1374.094275] ? __lock_is_held+0xb6/0x140 [ 1374.098349] __do_softirq+0x25c/0x921 [ 1374.102141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1374.107667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1374.113205] irq_exit+0x180/0x1d0 [ 1374.116651] smp_apic_timer_interrupt+0x13b/0x550 [ 1374.121540] apic_timer_interrupt+0xf/0x20 [ 1374.125758] [ 1374.127991] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1374.132563] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1374.151458] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1374.159161] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1374.166424] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1374.173696] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1374.180957] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1374.188219] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1374.195508] percpu_ref_put_many+0x37/0x190 [ 1374.199822] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1374.204914] mem_cgroup_iter+0x907/0xac0 [ 1374.208984] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1374.213735] ? kasan_check_read+0x11/0x20 [ 1374.217873] ? mem_cgroup_protected+0x44/0x380 [ 1374.222443] ? vmpressure+0x19f/0x350 [ 1374.226237] shrink_node+0x402/0x1450 [ 1374.230041] ? shrink_node_memcg+0x13f0/0x13f0 [ 1374.234611] ? kvm_clock_read+0x18/0x30 [ 1374.238583] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1374.243706] ? ktime_get+0x202/0x2f0 [ 1374.247430] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1374.252973] ? __cpuset_node_allowed+0x136/0x540 [ 1374.257735] do_try_to_free_pages+0x3cb/0x11c0 [ 1374.262327] ? shrink_node+0x1450/0x1450 [ 1374.266393] try_to_free_pages+0x2ee/0x7f0 [ 1374.270624] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1374.275478] __alloc_pages_slowpath+0x990/0x2870 [ 1374.280256] ? warn_alloc+0x110/0x110 [ 1374.284051] ? __lock_is_held+0xb6/0x140 [ 1374.288110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1374.293635] ? should_fail+0x14d/0x85c [ 1374.297524] ? __might_sleep+0x95/0x190 [ 1374.301497] __alloc_pages_nodemask+0x617/0x750 [ 1374.306162] ? kasan_check_read+0x11/0x20 [ 1374.310307] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1374.315316] ? find_get_entry+0x3e1/0xa00 [ 1374.319458] ? find_get_pages_contig+0xed0/0xed0 [ 1374.324208] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1374.329741] alloc_pages_current+0x107/0x210 [ 1374.334145] __page_cache_alloc+0x2bd/0x450 [ 1374.338459] ? kasan_check_read+0x11/0x20 [ 1374.342603] filemap_fault+0xfeb/0x1f00 [ 1374.346572] ? lock_downgrade+0x880/0x880 [ 1374.350719] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1374.355388] ? lock_acquire+0x16f/0x3f0 [ 1374.359355] ? ext4_filemap_fault+0x7b/0xaf [ 1374.364287] ext4_filemap_fault+0x83/0xaf [ 1374.368427] __do_fault+0x111/0x480 [ 1374.372079] __handle_mm_fault+0x2d78/0x3f80 [ 1374.376500] ? copy_page_range+0x2030/0x2030 [ 1374.380920] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1374.385618] handle_mm_fault+0x1b5/0x690 [ 1374.389683] __do_page_fault+0x62a/0xe90 [ 1374.393746] ? vmalloc_fault+0x740/0x740 [ 1374.397805] ? trace_hardirqs_off_caller+0x65/0x220 [ 1374.402825] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1374.407755] ? page_fault+0x8/0x30 [ 1374.411292] do_page_fault+0x71/0x57d [ 1374.415084] ? page_fault+0x8/0x30 [ 1374.418632] page_fault+0x1e/0x30 [ 1374.422097] RIP: 0033:0x45b153 [ 1374.425297] Code: Bad RIP value. [ 1374.428665] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1374.434022] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1374.441284] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1374.448544] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1374.455813] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1374.463070] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1374.470359] warn_alloc_show_mem: 1 callbacks suppressed [ 1374.470368] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1374.470370] Mem-Info: [ 1374.470399] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1374.470399] active_file:12 inactive_file:12 isolated_file:0 [ 1374.470399] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1374.470399] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1374.470399] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1374.470399] free:10883 free_pcp:183 free_cma:0 [ 1374.475729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1374.475737] Call Trace: [ 1374.482927] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1374.485330] dump_stack+0x197/0x210 [ 1374.518494] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1374.527831] warn_alloc.cold+0x7b/0x173 [ 1374.530386] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1374.557907] ? zone_watermark_ok_safe+0x260/0x260 [ 1374.561509] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1374.587372] ? __cpuset_node_allowed+0x136/0x540 [ 1374.591332] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1374.617440] ? __isolate_free_page+0x4c0/0x4c0 [ 1374.622254] lowmem_reserve[]: 0 0 1 1 1 [ 1374.627262] ? wake_all_kswapds+0x14d/0x300 [ 1374.631988] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1374.660797] __alloc_pages_slowpath+0x2214/0x2870 [ 1374.665350] lowmem_reserve[]: 0 0 0 0 0 [ 1374.669343] ? warn_alloc+0x110/0x110 [ 1374.673626] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1374.699391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1374.704199] lowmem_reserve[]: 0 0 0 0 0 [ 1374.708185] ? should_fail+0x14d/0x85c [ 1374.711970] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1374.739834] ? __isolate_free_page+0x4c0/0x4c0 [ 1374.745342] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1374.749318] __alloc_pages_nodemask+0x617/0x750 [ 1374.753178] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1374.765322] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1374.769883] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1374.783942] cache_grow_begin+0x91/0x8c0 [ 1374.788582] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1374.799225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1374.804217] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1374.819730] ? __cpuset_node_allowed+0x136/0x540 [ 1374.823771] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1374.832591] fallback_alloc+0x1fd/0x2d0 [ 1374.838107] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1374.846667] ____cache_alloc_node+0x1be/0x1e0 [ 1374.851392] 269 total pagecache pages [ 1374.860225] kmem_cache_alloc_node+0xe3/0x710 [ 1374.864180] 0 pages in swap cache [ 1374.872756] __alloc_skb+0xd5/0x5f0 [ 1374.877227] Swap cache stats: add 0, delete 0, find 0/0 [ 1374.877235] Free swap = 0kB [ 1374.881020] ? skb_trim+0x190/0x190 [ 1374.885487] Total swap = 0kB [ 1374.888932] ? check_preemption_disabled+0x48/0x290 [ 1374.892537] 1965979 pages RAM [ 1374.897886] ? lock_acquire+0x16f/0x3f0 [ 1374.900870] 0 pages HighMem/MovableOnly [ 1374.900878] 341726 pages reserved [ 1374.904502] new_skb+0x28/0x1d0 [ 1374.907485] 0 pages cma reserved [ 1374.907549] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1374.912500] aoecmd_cfg+0x1b5/0x640 [ 1374.915663] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1374.919671] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1374.923636] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1374.927087] ? timer_reduce+0x11d0/0x11d0 [ 1374.967309] discover_timer+0x4e/0x60 [ 1374.971103] call_timer_fn+0x18d/0x720 [ 1374.974997] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1374.979664] ? process_timeout+0x40/0x40 [ 1374.983725] ? run_timer_softirq+0x644/0x16a0 [ 1374.988216] ? trace_hardirqs_on+0x67/0x220 [ 1374.992541] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1374.997205] run_timer_softirq+0x64f/0x16a0 [ 1375.001528] ? add_timer+0xbe0/0xbe0 [ 1375.005233] ? kvm_clock_read+0x18/0x30 [ 1375.009380] ? check_preemption_disabled+0x48/0x290 [ 1375.014388] ? sched_clock+0x2e/0x50 [ 1375.018111] __do_softirq+0x25c/0x921 [ 1375.021910] ? preempt_schedule_common+0x4f/0xe0 [ 1375.026663] ? takeover_tasklets+0x7b0/0x7b0 [ 1375.031064] run_ksoftirqd+0x8e/0x110 [ 1375.034857] smpboot_thread_fn+0x6a3/0xa30 [ 1375.039085] ? sort_range+0x30/0x30 [ 1375.042702] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1375.048234] ? __kthread_parkme+0xfb/0x1b0 [ 1375.052467] kthread+0x354/0x420 [ 1375.055830] ? sort_range+0x30/0x30 [ 1375.059448] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1375.064984] ret_from_fork+0x24/0x30 [ 1375.068703] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1375.068767] aoe: skb alloc failure [ 1375.076078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1375.076083] Call Trace: [ 1375.076089] [ 1375.076105] dump_stack+0x197/0x210 [ 1375.076123] warn_alloc.cold+0x7b/0x173 [ 1375.079663] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1375.089018] ? zone_watermark_ok_safe+0x260/0x260 [ 1375.091593] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1375.093740] ? __cpuset_node_allowed+0x136/0x540 [ 1375.126112] ? __isolate_free_page+0x4c0/0x4c0 [ 1375.130690] ? wake_all_kswapds+0x14d/0x300 [ 1375.135021] __alloc_pages_slowpath+0x2214/0x2870 [ 1375.139872] ? warn_alloc+0x110/0x110 [ 1375.143670] ? __lock_acquire+0x6ee/0x49c0 [ 1375.147918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1375.153452] ? should_fail+0x14d/0x85c [ 1375.157332] ? __isolate_free_page+0x4c0/0x4c0 [ 1375.161918] __alloc_pages_nodemask+0x617/0x750 [ 1375.166583] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1375.171595] ? find_held_lock+0x35/0x130 [ 1375.175649] cache_grow_begin+0x91/0x8c0 [ 1375.179702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1375.185230] ? __cpuset_node_allowed+0x136/0x540 [ 1375.189987] fallback_alloc+0x1fd/0x2d0 [ 1375.193956] ____cache_alloc_node+0x1be/0x1e0 [ 1375.198454] kmem_cache_alloc+0x1f3/0x700 [ 1375.202594] ? mark_held_locks+0xb1/0x100 [ 1375.206734] ? __netdev_alloc_skb+0x370/0x470 [ 1375.211221] __build_skb+0x3e/0x310 [ 1375.214841] __netdev_alloc_skb+0x2ba/0x470 [ 1375.219160] send_hsr_supervision_frame+0x110/0xf30 [ 1375.224165] ? lock_acquire+0x16f/0x3f0 [ 1375.228144] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1375.233156] hsr_announce+0x12f/0x3b0 [ 1375.236951] call_timer_fn+0x18d/0x720 [ 1375.240830] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1375.246020] ? process_timeout+0x40/0x40 [ 1375.250071] ? run_timer_softirq+0x644/0x16a0 [ 1375.254563] ? trace_hardirqs_on+0x67/0x220 [ 1375.258883] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1375.264063] run_timer_softirq+0x64f/0x16a0 [ 1375.268383] ? add_timer+0xbe0/0xbe0 [ 1375.272090] ? __lock_is_held+0xb6/0x140 [ 1375.276151] __do_softirq+0x25c/0x921 [ 1375.279942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1375.285465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1375.291001] irq_exit+0x180/0x1d0 [ 1375.294445] smp_apic_timer_interrupt+0x13b/0x550 [ 1375.299294] apic_timer_interrupt+0xf/0x20 [ 1375.303516] [ 1375.305744] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1375.310319] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1375.329217] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1375.339435] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1375.346697] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1375.353962] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1375.361225] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1375.368484] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1375.375777] percpu_ref_put_many+0x37/0x190 [ 1375.380089] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1375.385185] mem_cgroup_iter+0x907/0xac0 [ 1375.389240] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1375.393997] ? kasan_check_read+0x11/0x20 [ 1375.398148] ? mem_cgroup_protected+0x44/0x380 [ 1375.402720] ? vmpressure+0x19f/0x350 [ 1375.406519] shrink_node+0x402/0x1450 [ 1375.410323] ? shrink_node_memcg+0x13f0/0x13f0 [ 1375.414907] ? kvm_clock_read+0x18/0x30 [ 1375.418883] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1375.423920] ? ktime_get+0x202/0x2f0 [ 1375.427635] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1375.433166] ? __cpuset_node_allowed+0x136/0x540 [ 1375.437923] do_try_to_free_pages+0x3cb/0x11c0 [ 1375.442521] ? shrink_node+0x1450/0x1450 [ 1375.446587] try_to_free_pages+0x2ee/0x7f0 [ 1375.450836] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1375.455713] __alloc_pages_slowpath+0x990/0x2870 [ 1375.460488] ? warn_alloc+0x110/0x110 [ 1375.464297] ? __lock_is_held+0xb6/0x140 [ 1375.468365] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1375.473907] ? should_fail+0x14d/0x85c [ 1375.477799] ? __might_sleep+0x95/0x190 [ 1375.481772] __alloc_pages_nodemask+0x617/0x750 [ 1375.486438] ? kasan_check_read+0x11/0x20 [ 1375.490589] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1375.495594] ? find_get_entry+0x3e1/0xa00 [ 1375.499738] ? find_get_pages_contig+0xed0/0xed0 [ 1375.504484] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1375.510016] alloc_pages_current+0x107/0x210 [ 1375.514418] __page_cache_alloc+0x2bd/0x450 [ 1375.518730] ? kasan_check_read+0x11/0x20 [ 1375.522873] filemap_fault+0xfeb/0x1f00 [ 1375.526842] ? lock_downgrade+0x880/0x880 [ 1375.530987] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1375.535648] ? lock_acquire+0x16f/0x3f0 [ 1375.539716] ? ext4_filemap_fault+0x7b/0xaf [ 1375.544038] ext4_filemap_fault+0x83/0xaf [ 1375.548186] __do_fault+0x111/0x480 [ 1375.551815] __handle_mm_fault+0x2d78/0x3f80 [ 1375.556222] ? copy_page_range+0x2030/0x2030 [ 1375.560636] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1375.565302] handle_mm_fault+0x1b5/0x690 [ 1375.569357] __do_page_fault+0x62a/0xe90 [ 1375.573414] ? vmalloc_fault+0x740/0x740 [ 1375.577476] ? trace_hardirqs_off_caller+0x65/0x220 [ 1375.582494] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1375.587434] ? page_fault+0x8/0x30 [ 1375.590977] do_page_fault+0x71/0x57d [ 1375.594777] ? page_fault+0x8/0x30 [ 1375.598316] page_fault+0x1e/0x30 [ 1375.601761] RIP: 0033:0x45b153 [ 1375.604957] Code: Bad RIP value. [ 1375.608312] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1375.613664] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1375.620920] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1375.628177] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1375.635436] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1375.642695] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1375.649973] warn_alloc_show_mem: 1 callbacks suppressed [ 1375.649983] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1375.649985] Mem-Info: [ 1375.650013] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1375.650013] active_file:12 inactive_file:12 isolated_file:0 [ 1375.650013] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1375.650013] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1375.650013] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1375.650013] free:10883 free_pcp:183 free_cma:0 [ 1375.655355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1375.662560] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1375.664947] Call Trace: [ 1375.698086] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1375.707420] dump_stack+0x197/0x210 [ 1375.734891] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1375.737474] warn_alloc.cold+0x7b/0x173 [ 1375.763291] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1375.766935] ? zone_watermark_ok_safe+0x260/0x260 [ 1375.793159] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1375.797144] ? __cpuset_node_allowed+0x136/0x540 [ 1375.802122] lowmem_reserve[]: 0 0 1 1 1 [ 1375.806970] ? __isolate_free_page+0x4c0/0x4c0 [ 1375.835847] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1375.840610] ? wake_all_kswapds+0x14d/0x300 [ 1375.844549] lowmem_reserve[]: 0 0 0 0 0 [ 1375.849129] __alloc_pages_slowpath+0x2214/0x2870 [ 1375.874874] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1375.879217] ? warn_alloc+0x110/0x110 [ 1375.883144] lowmem_reserve[]: 0 0 0 0 0 [ 1375.888013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1375.915837] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1375.919635] ? should_fail+0x14d/0x85c [ 1375.923580] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1375.929133] ? __isolate_free_page+0x4c0/0x4c0 [ 1375.941252] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1375.945158] __alloc_pages_nodemask+0x617/0x750 [ 1375.959171] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1375.963760] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1375.974404] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1375.979082] cache_grow_begin+0x91/0x8c0 [ 1375.994571] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1375.999604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1376.008442] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1376.012517] ? __cpuset_node_allowed+0x136/0x540 [ 1376.021082] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1376.026606] fallback_alloc+0x1fd/0x2d0 [ 1376.035411] 269 total pagecache pages [ 1376.040162] ____cache_alloc_node+0x1be/0x1e0 [ 1376.048716] 0 pages in swap cache [ 1376.052681] kmem_cache_alloc_node+0xe3/0x710 [ 1376.056457] Swap cache stats: add 0, delete 0, find 0/0 [ 1376.060955] __alloc_skb+0xd5/0x5f0 [ 1376.064378] Free swap = 0kB [ 1376.064385] Total swap = 0kB [ 1376.068874] ? skb_trim+0x190/0x190 [ 1376.074222] 1965979 pages RAM [ 1376.077839] ? check_preemption_disabled+0x48/0x290 [ 1376.080825] 0 pages HighMem/MovableOnly [ 1376.080833] 341726 pages reserved [ 1376.083858] ? lock_acquire+0x16f/0x3f0 [ 1376.087462] 0 pages cma reserved [ 1376.090572] new_skb+0x28/0x1d0 [ 1376.095662] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1376.099528] aoecmd_cfg+0x1b5/0x640 [ 1376.102956] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1376.106921] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1376.136368] ? timer_reduce+0x11d0/0x11d0 [ 1376.140515] discover_timer+0x4e/0x60 [ 1376.144305] call_timer_fn+0x18d/0x720 [ 1376.148185] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1376.152846] ? process_timeout+0x40/0x40 [ 1376.156899] ? run_timer_softirq+0x644/0x16a0 [ 1376.161403] ? trace_hardirqs_on+0x67/0x220 [ 1376.165721] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1376.170509] run_timer_softirq+0x64f/0x16a0 [ 1376.174836] ? add_timer+0xbe0/0xbe0 [ 1376.178548] ? kvm_clock_read+0x18/0x30 [ 1376.182539] ? check_preemption_disabled+0x48/0x290 [ 1376.187554] ? sched_clock+0x2e/0x50 [ 1376.191276] __do_softirq+0x25c/0x921 [ 1376.195076] ? preempt_schedule_common+0x4f/0xe0 [ 1376.199842] ? takeover_tasklets+0x7b0/0x7b0 [ 1376.204249] run_ksoftirqd+0x8e/0x110 [ 1376.208044] smpboot_thread_fn+0x6a3/0xa30 [ 1376.212272] ? sort_range+0x30/0x30 [ 1376.215892] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1376.221427] ? __kthread_parkme+0xfb/0x1b0 [ 1376.225663] kthread+0x354/0x420 [ 1376.229026] ? sort_range+0x30/0x30 [ 1376.232644] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1376.238176] ret_from_fork+0x24/0x30 [ 1376.241903] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1376.241969] aoe: skb alloc failure [ 1376.249265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1376.249270] Call Trace: [ 1376.249276] [ 1376.249292] dump_stack+0x197/0x210 [ 1376.249309] warn_alloc.cold+0x7b/0x173 [ 1376.252856] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1376.262175] ? zone_watermark_ok_safe+0x260/0x260 [ 1376.264734] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1376.266873] ? __cpuset_node_allowed+0x136/0x540 [ 1376.299125] ? __isolate_free_page+0x4c0/0x4c0 [ 1376.303701] ? wake_all_kswapds+0x14d/0x300 [ 1376.308021] __alloc_pages_slowpath+0x2214/0x2870 [ 1376.312871] ? warn_alloc+0x110/0x110 [ 1376.316672] ? __lock_acquire+0x6ee/0x49c0 [ 1376.320900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1376.326440] ? should_fail+0x14d/0x85c [ 1376.330327] ? __isolate_free_page+0x4c0/0x4c0 [ 1376.334909] __alloc_pages_nodemask+0x617/0x750 [ 1376.339573] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1376.344596] ? find_held_lock+0x35/0x130 [ 1376.348651] cache_grow_begin+0x91/0x8c0 [ 1376.352703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1376.358232] ? __cpuset_node_allowed+0x136/0x540 [ 1376.362979] fallback_alloc+0x1fd/0x2d0 [ 1376.366950] ____cache_alloc_node+0x1be/0x1e0 [ 1376.371436] kmem_cache_alloc+0x1f3/0x700 [ 1376.375578] ? mark_held_locks+0xb1/0x100 [ 1376.379720] ? __netdev_alloc_skb+0x370/0x470 [ 1376.384209] __build_skb+0x3e/0x310 [ 1376.387829] __netdev_alloc_skb+0x2ba/0x470 [ 1376.392148] send_hsr_supervision_frame+0x110/0xf30 [ 1376.397161] ? lock_acquire+0x16f/0x3f0 [ 1376.401127] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1376.406164] hsr_announce+0x12f/0x3b0 [ 1376.409970] call_timer_fn+0x18d/0x720 [ 1376.413863] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1376.419052] ? process_timeout+0x40/0x40 [ 1376.423107] ? run_timer_softirq+0x644/0x16a0 [ 1376.427601] ? trace_hardirqs_on+0x67/0x220 [ 1376.431919] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1376.437100] run_timer_softirq+0x64f/0x16a0 [ 1376.441420] ? add_timer+0xbe0/0xbe0 [ 1376.445130] ? __lock_is_held+0xb6/0x140 [ 1376.449192] __do_softirq+0x25c/0x921 [ 1376.452988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1376.458525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1376.464063] irq_exit+0x180/0x1d0 [ 1376.467508] smp_apic_timer_interrupt+0x13b/0x550 [ 1376.472342] apic_timer_interrupt+0xf/0x20 [ 1376.476563] [ 1376.478800] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1376.483377] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1376.502266] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1376.509963] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1376.517337] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1376.524608] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1376.531886] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1376.539153] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1376.546467] percpu_ref_put_many+0x37/0x190 [ 1376.550788] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1376.555884] mem_cgroup_iter+0x907/0xac0 [ 1376.559951] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1376.564701] ? kasan_check_read+0x11/0x20 [ 1376.568841] ? mem_cgroup_protected+0x44/0x380 [ 1376.573425] ? vmpressure+0x19f/0x350 [ 1376.577223] shrink_node+0x402/0x1450 [ 1376.581035] ? shrink_node_memcg+0x13f0/0x13f0 [ 1376.585610] ? kvm_clock_read+0x18/0x30 [ 1376.589576] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1376.594604] ? ktime_get+0x202/0x2f0 [ 1376.598329] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1376.603858] ? __cpuset_node_allowed+0x136/0x540 [ 1376.608616] do_try_to_free_pages+0x3cb/0x11c0 [ 1376.613208] ? shrink_node+0x1450/0x1450 [ 1376.617273] try_to_free_pages+0x2ee/0x7f0 [ 1376.621507] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1376.626367] __alloc_pages_slowpath+0x990/0x2870 [ 1376.631133] ? warn_alloc+0x110/0x110 [ 1376.634932] ? __lock_is_held+0xb6/0x140 [ 1376.638986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1376.644533] ? should_fail+0x14d/0x85c [ 1376.648427] ? __might_sleep+0x95/0x190 [ 1376.652406] __alloc_pages_nodemask+0x617/0x750 [ 1376.657077] ? kasan_check_read+0x11/0x20 [ 1376.661221] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1376.666240] ? find_get_entry+0x3e1/0xa00 [ 1376.670392] ? find_get_pages_contig+0xed0/0xed0 [ 1376.675148] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1376.680693] alloc_pages_current+0x107/0x210 [ 1376.685107] __page_cache_alloc+0x2bd/0x450 [ 1376.689418] ? kasan_check_read+0x11/0x20 [ 1376.693561] filemap_fault+0xfeb/0x1f00 [ 1376.697530] ? lock_downgrade+0x880/0x880 [ 1376.701677] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1376.706357] ? lock_acquire+0x16f/0x3f0 [ 1376.710324] ? ext4_filemap_fault+0x7b/0xaf [ 1376.714646] ext4_filemap_fault+0x83/0xaf [ 1376.718790] __do_fault+0x111/0x480 [ 1376.722409] __handle_mm_fault+0x2d78/0x3f80 [ 1376.726822] ? copy_page_range+0x2030/0x2030 [ 1376.731239] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1376.735902] handle_mm_fault+0x1b5/0x690 [ 1376.739958] __do_page_fault+0x62a/0xe90 [ 1376.744016] ? vmalloc_fault+0x740/0x740 [ 1376.748078] ? trace_hardirqs_off_caller+0x65/0x220 [ 1376.753084] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1376.758005] ? page_fault+0x8/0x30 [ 1376.761540] do_page_fault+0x71/0x57d [ 1376.765329] ? page_fault+0x8/0x30 [ 1376.768857] page_fault+0x1e/0x30 [ 1376.772301] RIP: 0033:0x45b153 [ 1376.775507] Code: Bad RIP value. [ 1376.778857] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1376.784207] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1376.791473] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1376.798735] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1376.805992] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1376.813266] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1376.820548] warn_alloc_show_mem: 1 callbacks suppressed [ 1376.820558] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1376.820560] Mem-Info: [ 1376.820589] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1376.820589] active_file:12 inactive_file:12 isolated_file:0 [ 1376.820589] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1376.820589] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1376.820589] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1376.820589] free:10883 free_pcp:183 free_cma:0 [ 1376.825925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1376.833117] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1376.835507] Call Trace: [ 1376.868656] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1376.878000] dump_stack+0x197/0x210 [ 1376.905485] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1376.908091] warn_alloc.cold+0x7b/0x173 [ 1376.934074] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1376.937698] ? zone_watermark_ok_safe+0x260/0x260 [ 1376.963782] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1376.967754] ? __cpuset_node_allowed+0x136/0x540 [ 1376.972736] lowmem_reserve[]: 0 0 1 1 1 [ 1376.977582] ? __isolate_free_page+0x4c0/0x4c0 [ 1377.006357] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1377.011120] ? wake_all_kswapds+0x14d/0x300 [ 1377.015060] lowmem_reserve[]: 0 0 0 0 0 [ 1377.019656] __alloc_pages_slowpath+0x2214/0x2870 [ 1377.045438] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1377.049774] ? warn_alloc+0x110/0x110 [ 1377.053700] lowmem_reserve[]: 0 0 0 0 0 [ 1377.058535] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1377.087234] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1377.091034] ? should_fail+0x14d/0x85c [ 1377.094991] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1377.100527] ? __isolate_free_page+0x4c0/0x4c0 [ 1377.112729] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1377.116615] __alloc_pages_nodemask+0x617/0x750 [ 1377.130633] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1377.135217] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1377.145846] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1377.150524] cache_grow_begin+0x91/0x8c0 [ 1377.166011] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1377.171021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1377.179832] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1377.183875] ? __cpuset_node_allowed+0x136/0x540 [ 1377.192433] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1377.197951] fallback_alloc+0x1fd/0x2d0 [ 1377.206772] 269 total pagecache pages [ 1377.211535] ____cache_alloc_node+0x1be/0x1e0 [ 1377.220085] 0 pages in swap cache [ 1377.224055] kmem_cache_alloc_node+0xe3/0x710 [ 1377.227843] Swap cache stats: add 0, delete 0, find 0/0 [ 1377.232331] __alloc_skb+0xd5/0x5f0 [ 1377.235751] Free swap = 0kB [ 1377.240247] ? skb_trim+0x190/0x190 [ 1377.245611] Total swap = 0kB [ 1377.249244] ? check_preemption_disabled+0x48/0x290 [ 1377.252243] 1965979 pages RAM [ 1377.255873] ? lock_acquire+0x16f/0x3f0 [ 1377.258880] 0 pages HighMem/MovableOnly [ 1377.263893] new_skb+0x28/0x1d0 [ 1377.266961] 341726 pages reserved [ 1377.266968] 0 pages cma reserved [ 1377.270957] aoecmd_cfg+0x1b5/0x640 [ 1377.275024] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1377.278185] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 1377.281614] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1377.284974] ? timer_reduce+0x11d0/0x11d0 [ 1377.311957] discover_timer+0x4e/0x60 [ 1377.315772] call_timer_fn+0x18d/0x720 [ 1377.319650] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1377.324308] ? process_timeout+0x40/0x40 [ 1377.328360] ? run_timer_softirq+0x644/0x16a0 [ 1377.332851] ? trace_hardirqs_on+0x67/0x220 [ 1377.337165] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 1377.341823] run_timer_softirq+0x64f/0x16a0 [ 1377.346139] ? add_timer+0xbe0/0xbe0 [ 1377.349841] ? kvm_clock_read+0x18/0x30 [ 1377.353808] ? check_preemption_disabled+0x48/0x290 [ 1377.358815] ? sched_clock+0x2e/0x50 [ 1377.362530] __do_softirq+0x25c/0x921 [ 1377.366322] ? preempt_schedule_common+0x4f/0xe0 [ 1377.371077] ? takeover_tasklets+0x7b0/0x7b0 [ 1377.375475] run_ksoftirqd+0x8e/0x110 [ 1377.379267] smpboot_thread_fn+0x6a3/0xa30 [ 1377.383495] ? sort_range+0x30/0x30 [ 1377.387111] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1377.392636] ? __kthread_parkme+0xfb/0x1b0 [ 1377.396873] kthread+0x354/0x420 [ 1377.400229] ? sort_range+0x30/0x30 [ 1377.403846] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1377.409390] ret_from_fork+0x24/0x30 [ 1377.413115] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1377.413176] aoe: skb alloc failure [ 1377.420475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1377.420480] Call Trace: [ 1377.420486] [ 1377.420502] dump_stack+0x197/0x210 [ 1377.420519] warn_alloc.cold+0x7b/0x173 [ 1377.424262] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1377.433391] ? zone_watermark_ok_safe+0x260/0x260 [ 1377.435960] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1377.438101] ? __cpuset_node_allowed+0x136/0x540 [ 1377.470326] ? __isolate_free_page+0x4c0/0x4c0 [ 1377.474902] ? wake_all_kswapds+0x14d/0x300 [ 1377.479233] __alloc_pages_slowpath+0x2214/0x2870 [ 1377.484079] ? warn_alloc+0x110/0x110 [ 1377.487871] ? __lock_acquire+0x6ee/0x49c0 [ 1377.492105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1377.497630] ? should_fail+0x14d/0x85c [ 1377.501509] ? __isolate_free_page+0x4c0/0x4c0 [ 1377.506105] __alloc_pages_nodemask+0x617/0x750 [ 1377.510778] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1377.515790] ? find_held_lock+0x35/0x130 [ 1377.519852] cache_grow_begin+0x91/0x8c0 [ 1377.523906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1377.529433] ? __cpuset_node_allowed+0x136/0x540 [ 1377.534180] fallback_alloc+0x1fd/0x2d0 [ 1377.538148] ____cache_alloc_node+0x1be/0x1e0 [ 1377.542633] kmem_cache_alloc_node+0xe3/0x710 [ 1377.547121] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1377.551351] __alloc_skb+0xd5/0x5f0 [ 1377.554971] ? skb_trim+0x190/0x190 [ 1377.558586] ? kasan_check_read+0x11/0x20 [ 1377.562731] ndisc_alloc_skb+0x13c/0x340 [ 1377.566784] ndisc_send_rs+0x35f/0x6e0 [ 1377.570687] addrconf_rs_timer+0x30f/0x680 [ 1377.574933] ? ipv6_get_lladdr+0x490/0x490 [ 1377.579181] call_timer_fn+0x18d/0x720 [ 1377.583067] ? ipv6_get_lladdr+0x490/0x490 [ 1377.587292] ? process_timeout+0x40/0x40 [ 1377.591350] ? run_timer_softirq+0x644/0x16a0 [ 1377.595848] ? trace_hardirqs_on+0x67/0x220 [ 1377.600164] ? ipv6_get_lladdr+0x490/0x490 [ 1377.604389] run_timer_softirq+0x64f/0x16a0 [ 1377.608704] ? add_timer+0xbe0/0xbe0 [ 1377.612434] ? __lock_is_held+0xb6/0x140 [ 1377.616514] __do_softirq+0x25c/0x921 [ 1377.620320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1377.625863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1377.631407] irq_exit+0x180/0x1d0 [ 1377.634855] smp_apic_timer_interrupt+0x13b/0x550 [ 1377.639692] apic_timer_interrupt+0xf/0x20 [ 1377.643918] [ 1377.646151] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1377.650737] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1377.669636] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1377.677332] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1377.684600] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1377.691856] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1377.699116] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1377.706378] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1377.713668] percpu_ref_put_many+0x37/0x190 [ 1377.717983] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1377.723077] mem_cgroup_iter+0x907/0xac0 [ 1377.727133] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1377.731881] ? kasan_check_read+0x11/0x20 [ 1377.736023] ? mem_cgroup_protected+0x44/0x380 [ 1377.740595] ? vmpressure+0x19f/0x350 [ 1377.744393] shrink_node+0x402/0x1450 [ 1377.748203] ? shrink_node_memcg+0x13f0/0x13f0 [ 1377.752774] ? kvm_clock_read+0x18/0x30 [ 1377.756741] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1377.761755] ? ktime_get+0x202/0x2f0 [ 1377.765468] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1377.771004] ? __cpuset_node_allowed+0x136/0x540 [ 1377.775763] do_try_to_free_pages+0x3cb/0x11c0 [ 1377.780350] ? shrink_node+0x1450/0x1450 [ 1377.784411] try_to_free_pages+0x2ee/0x7f0 [ 1377.788640] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1377.793500] __alloc_pages_slowpath+0x990/0x2870 [ 1377.798260] ? warn_alloc+0x110/0x110 [ 1377.802051] ? __lock_is_held+0xb6/0x140 [ 1377.806192] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1377.811718] ? should_fail+0x14d/0x85c [ 1377.815605] ? __might_sleep+0x95/0x190 [ 1377.819671] __alloc_pages_nodemask+0x617/0x750 [ 1377.824342] ? kasan_check_read+0x11/0x20 [ 1377.828487] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1377.833493] ? find_get_entry+0x3e1/0xa00 [ 1377.837634] ? find_get_pages_contig+0xed0/0xed0 [ 1377.842383] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1377.847914] alloc_pages_current+0x107/0x210 [ 1377.852318] __page_cache_alloc+0x2bd/0x450 [ 1377.856627] ? kasan_check_read+0x11/0x20 [ 1377.860765] filemap_fault+0xfeb/0x1f00 [ 1377.864732] ? lock_downgrade+0x880/0x880 [ 1377.868880] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1377.873548] ? lock_acquire+0x16f/0x3f0 [ 1377.877521] ? ext4_filemap_fault+0x7b/0xaf [ 1377.881842] ext4_filemap_fault+0x83/0xaf [ 1377.885981] __do_fault+0x111/0x480 [ 1377.889601] __handle_mm_fault+0x2d78/0x3f80 [ 1377.894004] ? copy_page_range+0x2030/0x2030 [ 1377.898417] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1377.903080] handle_mm_fault+0x1b5/0x690 [ 1377.907139] __do_page_fault+0x62a/0xe90 [ 1377.911209] ? vmalloc_fault+0x740/0x740 [ 1377.915261] ? trace_hardirqs_off_caller+0x65/0x220 [ 1377.920267] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1377.925190] ? page_fault+0x8/0x30 [ 1377.928730] do_page_fault+0x71/0x57d [ 1377.932577] ? page_fault+0x8/0x30 [ 1377.936135] page_fault+0x1e/0x30 [ 1377.939599] RIP: 0033:0x45b153 [ 1377.942797] Code: Bad RIP value. [ 1377.946151] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1377.951510] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1377.958772] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1377.966038] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1377.973309] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1377.980573] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1377.987864] warn_alloc_show_mem: 1 callbacks suppressed [ 1377.987875] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1377.987877] Mem-Info: [ 1377.987907] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1377.987907] active_file:12 inactive_file:12 isolated_file:0 [ 1377.987907] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1377.987907] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1377.987907] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1377.987907] free:10883 free_pcp:183 free_cma:0 [ 1377.993244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1378.000429] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1378.002818] Call Trace: [ 1378.035972] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1378.045366] dump_stack+0x197/0x210 [ 1378.072782] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1378.075363] warn_alloc.cold+0x7b/0x173 [ 1378.101175] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1378.104803] ? zone_watermark_ok_safe+0x260/0x260 [ 1378.130966] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1378.134936] ? __cpuset_node_allowed+0x136/0x540 [ 1378.139921] lowmem_reserve[]: 0 0 1 1 1 [ 1378.144773] ? __isolate_free_page+0x4c0/0x4c0 [ 1378.173558] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1378.178321] ? wake_all_kswapds+0x14d/0x300 [ 1378.182255] lowmem_reserve[]: 0 0 0 0 0 [ 1378.186839] __alloc_pages_slowpath+0x2214/0x2870 [ 1378.212570] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1378.216905] ? warn_alloc+0x110/0x110 [ 1378.220835] lowmem_reserve[]: 0 0 0 0 0 [ 1378.225670] ? __lock_acquire+0x6ee/0x49c0 [ 1378.253495] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1378.257289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1378.261230] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1378.265458] ? should_fail+0x14d/0x85c [ 1378.277565] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1378.283105] ? __isolate_free_page+0x4c0/0x4c0 [ 1378.297125] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1378.301014] __alloc_pages_nodemask+0x617/0x750 [ 1378.311645] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1378.316214] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1378.331736] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1378.336417] ? find_held_lock+0x35/0x130 [ 1378.345236] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1378.350239] cache_grow_begin+0x91/0x8c0 [ 1378.358792] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1378.362838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1378.371733] 269 total pagecache pages [ 1378.375784] ? __cpuset_node_allowed+0x136/0x540 [ 1378.384427] 0 pages in swap cache [ 1378.389965] fallback_alloc+0x1fd/0x2d0 [ 1378.393753] Swap cache stats: add 0, delete 0, find 0/0 [ 1378.398510] ____cache_alloc_node+0x1be/0x1e0 [ 1378.401999] Free swap = 0kB [ 1378.405984] kmem_cache_alloc+0x1f3/0x700 [ 1378.411336] Total swap = 0kB [ 1378.415822] ? mark_held_locks+0xb1/0x100 [ 1378.418815] 1965979 pages RAM [ 1378.422951] ? __netdev_alloc_skb+0x370/0x470 [ 1378.425943] 0 pages HighMem/MovableOnly [ 1378.430094] __build_skb+0x3e/0x310 [ 1378.433179] 341726 pages reserved [ 1378.433186] 0 pages cma reserved [ 1378.437669] __netdev_alloc_skb+0x2ba/0x470 [ 1378.441671] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1378.445247] send_hsr_supervision_frame+0x110/0xf30 [ 1378.445268] ? lock_acquire+0x16f/0x3f0 [ 1378.448738] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1378.452065] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1378.456359] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1378.462845] hsr_announce+0x12f/0x3b0 [ 1378.495511] call_timer_fn+0x18d/0x720 [ 1378.499389] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1378.504567] ? process_timeout+0x40/0x40 [ 1378.508619] ? run_timer_softirq+0x644/0x16a0 [ 1378.513110] ? trace_hardirqs_on+0x67/0x220 [ 1378.517437] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1378.522616] run_timer_softirq+0x64f/0x16a0 [ 1378.526944] ? add_timer+0xbe0/0xbe0 [ 1378.530646] ? kvm_clock_read+0x18/0x30 [ 1378.534610] ? check_preemption_disabled+0x48/0x290 [ 1378.539626] ? sched_clock+0x2e/0x50 [ 1378.543339] __do_softirq+0x25c/0x921 [ 1378.547144] ? preempt_schedule_common+0x4f/0xe0 [ 1378.551912] ? takeover_tasklets+0x7b0/0x7b0 [ 1378.556316] run_ksoftirqd+0x8e/0x110 [ 1378.560112] smpboot_thread_fn+0x6a3/0xa30 [ 1378.564347] ? sort_range+0x30/0x30 [ 1378.567972] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1378.573516] ? __kthread_parkme+0xfb/0x1b0 [ 1378.577747] kthread+0x354/0x420 [ 1378.581103] ? sort_range+0x30/0x30 [ 1378.584724] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1378.590253] ret_from_fork+0x24/0x30 [ 1378.593980] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1378.594102] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1378.601343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1378.611631] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1378.620966] Call Trace: [ 1378.628349] [ 1378.630498] dump_stack+0x197/0x210 [ 1378.634121] warn_alloc.cold+0x7b/0x173 [ 1378.638104] ? zone_watermark_ok_safe+0x260/0x260 [ 1378.642940] ? __cpuset_node_allowed+0x136/0x540 [ 1378.647695] ? __isolate_free_page+0x4c0/0x4c0 [ 1378.652266] ? wake_all_kswapds+0x14d/0x300 [ 1378.656585] __alloc_pages_slowpath+0x2214/0x2870 [ 1378.661434] ? warn_alloc+0x110/0x110 [ 1378.665227] ? __lock_acquire+0x6ee/0x49c0 [ 1378.669452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1378.674978] ? should_fail+0x14d/0x85c [ 1378.678872] ? __isolate_free_page+0x4c0/0x4c0 [ 1378.683450] __alloc_pages_nodemask+0x617/0x750 [ 1378.688113] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1378.693126] ? find_held_lock+0x35/0x130 [ 1378.697180] cache_grow_begin+0x91/0x8c0 [ 1378.701307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1378.706851] ? __cpuset_node_allowed+0x136/0x540 [ 1378.711620] fallback_alloc+0x1fd/0x2d0 [ 1378.715616] ____cache_alloc_node+0x1be/0x1e0 [ 1378.720118] kmem_cache_alloc_node+0xe3/0x710 [ 1378.724623] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1378.728859] __alloc_skb+0xd5/0x5f0 [ 1378.732482] ? skb_trim+0x190/0x190 [ 1378.736112] ? kasan_check_read+0x11/0x20 [ 1378.740259] ndisc_alloc_skb+0x13c/0x340 [ 1378.744319] ndisc_send_rs+0x35f/0x6e0 [ 1378.748202] addrconf_rs_timer+0x30f/0x680 [ 1378.752433] ? ipv6_get_lladdr+0x490/0x490 [ 1378.756668] call_timer_fn+0x18d/0x720 [ 1378.760547] ? ipv6_get_lladdr+0x490/0x490 [ 1378.764769] ? process_timeout+0x40/0x40 [ 1378.768821] ? run_timer_softirq+0x644/0x16a0 [ 1378.773309] ? trace_hardirqs_on+0x67/0x220 [ 1378.777625] ? ipv6_get_lladdr+0x490/0x490 [ 1378.781847] run_timer_softirq+0x64f/0x16a0 [ 1378.786165] ? add_timer+0xbe0/0xbe0 [ 1378.789880] ? __lock_is_held+0xb6/0x140 [ 1378.793941] __do_softirq+0x25c/0x921 [ 1378.797733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1378.803259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1378.808806] irq_exit+0x180/0x1d0 [ 1378.812253] smp_apic_timer_interrupt+0x13b/0x550 [ 1378.817091] apic_timer_interrupt+0xf/0x20 [ 1378.821316] [ 1378.823545] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1378.828121] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1378.847020] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1378.854717] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1378.861975] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1378.869233] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1378.876493] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1378.883749] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1378.891039] percpu_ref_put_many+0x37/0x190 [ 1378.895354] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1378.900447] mem_cgroup_iter+0x907/0xac0 [ 1378.904502] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1378.909248] ? kasan_check_read+0x11/0x20 [ 1378.913386] ? mem_cgroup_protected+0x44/0x380 [ 1378.917960] ? vmpressure+0x19f/0x350 [ 1378.921756] shrink_node+0x402/0x1450 [ 1378.925561] ? shrink_node_memcg+0x13f0/0x13f0 [ 1378.930134] ? kvm_clock_read+0x18/0x30 [ 1378.934100] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1378.939110] ? ktime_get+0x202/0x2f0 [ 1378.942818] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1378.948347] ? __cpuset_node_allowed+0x136/0x540 [ 1378.953098] do_try_to_free_pages+0x3cb/0x11c0 [ 1378.957682] ? shrink_node+0x1450/0x1450 [ 1378.961741] try_to_free_pages+0x2ee/0x7f0 [ 1378.965971] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1378.970828] __alloc_pages_slowpath+0x990/0x2870 [ 1378.975591] ? warn_alloc+0x110/0x110 [ 1378.979389] ? __lock_is_held+0xb6/0x140 [ 1378.983442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1378.988967] ? should_fail+0x14d/0x85c [ 1378.992856] ? __might_sleep+0x95/0x190 [ 1378.996825] __alloc_pages_nodemask+0x617/0x750 [ 1379.001484] ? kasan_check_read+0x11/0x20 [ 1379.005623] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1379.010626] ? find_get_entry+0x3e1/0xa00 [ 1379.014767] ? find_get_pages_contig+0xed0/0xed0 [ 1379.019522] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1379.025067] alloc_pages_current+0x107/0x210 [ 1379.029467] __page_cache_alloc+0x2bd/0x450 [ 1379.033784] ? kasan_check_read+0x11/0x20 [ 1379.037931] filemap_fault+0xfeb/0x1f00 [ 1379.041941] ? lock_downgrade+0x880/0x880 [ 1379.046159] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1379.050840] ? lock_acquire+0x16f/0x3f0 [ 1379.054826] ? ext4_filemap_fault+0x7b/0xaf [ 1379.059165] ext4_filemap_fault+0x83/0xaf [ 1379.063325] __do_fault+0x111/0x480 [ 1379.066955] __handle_mm_fault+0x2d78/0x3f80 [ 1379.071375] ? copy_page_range+0x2030/0x2030 [ 1379.075792] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1379.080453] handle_mm_fault+0x1b5/0x690 [ 1379.084510] __do_page_fault+0x62a/0xe90 [ 1379.088567] ? vmalloc_fault+0x740/0x740 [ 1379.092621] ? trace_hardirqs_off_caller+0x65/0x220 [ 1379.097626] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1379.102547] ? page_fault+0x8/0x30 [ 1379.106083] do_page_fault+0x71/0x57d [ 1379.109874] ? page_fault+0x8/0x30 [ 1379.113407] page_fault+0x1e/0x30 [ 1379.116849] RIP: 0033:0x45b153 [ 1379.120050] Code: Bad RIP value. [ 1379.123404] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1379.128753] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1379.136010] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1379.143272] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1379.150540] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1379.157800] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1379.165075] warn_alloc_show_mem: 1 callbacks suppressed [ 1379.165085] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1379.165087] Mem-Info: [ 1379.165115] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1379.165115] active_file:12 inactive_file:12 isolated_file:0 [ 1379.165115] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1379.165115] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1379.165115] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1379.165115] free:10883 free_pcp:183 free_cma:0 [ 1379.170451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1379.177634] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1379.180024] Call Trace: [ 1379.213175] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1379.222505] dump_stack+0x197/0x210 [ 1379.249989] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1379.252587] warn_alloc.cold+0x7b/0x173 [ 1379.278396] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1379.282031] ? zone_watermark_ok_safe+0x260/0x260 [ 1379.308106] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1379.312085] ? __cpuset_node_allowed+0x136/0x540 [ 1379.317071] lowmem_reserve[]: 0 0 1 1 1 [ 1379.321915] ? __isolate_free_page+0x4c0/0x4c0 [ 1379.350684] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1379.355442] ? wake_all_kswapds+0x14d/0x300 [ 1379.359385] lowmem_reserve[]: 0 0 0 0 0 [ 1379.363964] __alloc_pages_slowpath+0x2214/0x2870 [ 1379.389704] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1379.394040] ? warn_alloc+0x110/0x110 [ 1379.397976] lowmem_reserve[]: 0 0 0 0 0 [ 1379.402841] ? __lock_acquire+0x6ee/0x49c0 [ 1379.430683] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1379.434493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1379.438430] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1379.442658] ? should_fail+0x14d/0x85c [ 1379.454777] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1379.460308] ? __isolate_free_page+0x4c0/0x4c0 [ 1379.474323] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1379.478210] __alloc_pages_nodemask+0x617/0x750 [ 1379.488840] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1379.493409] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1379.508898] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1379.508910] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1379.513576] ? find_held_lock+0x35/0x130 [ 1379.522732] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1379.522740] 269 total pagecache pages [ 1379.527747] cache_grow_begin+0x91/0x8c0 [ 1379.536299] 0 pages in swap cache [ 1379.545119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1379.549155] Swap cache stats: add 0, delete 0, find 0/0 [ 1379.557723] ? __cpuset_node_allowed+0x136/0x540 [ 1379.561497] Free swap = 0kB [ 1379.565570] fallback_alloc+0x1fd/0x2d0 [ 1379.569000] Total swap = 0kB [ 1379.574544] ____cache_alloc_node+0x1be/0x1e0 [ 1379.579888] 1965979 pages RAM [ 1379.584654] kmem_cache_alloc+0x1f3/0x700 [ 1379.587650] 0 pages HighMem/MovableOnly [ 1379.591624] ? mark_held_locks+0xb1/0x100 [ 1379.594617] 341726 pages reserved [ 1379.599106] ? __netdev_alloc_skb+0x370/0x470 [ 1379.602179] 0 pages cma reserved [ 1379.606319] __build_skb+0x3e/0x310 [ 1379.610384] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1379.614403] __netdev_alloc_skb+0x2ba/0x470 [ 1379.617918] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1379.622325] send_hsr_supervision_frame+0x110/0xf30 [ 1379.625662] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1379.629277] ? lock_acquire+0x16f/0x3f0 [ 1379.663966] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1379.668981] hsr_announce+0x12f/0x3b0 [ 1379.672776] call_timer_fn+0x18d/0x720 [ 1379.676663] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1379.681845] ? process_timeout+0x40/0x40 [ 1379.685897] ? run_timer_softirq+0x644/0x16a0 [ 1379.690387] ? trace_hardirqs_on+0x67/0x220 [ 1379.694704] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1379.699888] run_timer_softirq+0x64f/0x16a0 [ 1379.704213] ? add_timer+0xbe0/0xbe0 [ 1379.707916] ? kvm_clock_read+0x18/0x30 [ 1379.711898] ? check_preemption_disabled+0x48/0x290 [ 1379.716911] ? sched_clock+0x2e/0x50 [ 1379.720628] __do_softirq+0x25c/0x921 [ 1379.724421] ? preempt_schedule_common+0x4f/0xe0 [ 1379.729186] ? takeover_tasklets+0x7b0/0x7b0 [ 1379.733584] run_ksoftirqd+0x8e/0x110 [ 1379.737376] smpboot_thread_fn+0x6a3/0xa30 [ 1379.741605] ? sort_range+0x30/0x30 [ 1379.745222] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1379.750748] ? __kthread_parkme+0xfb/0x1b0 [ 1379.754975] kthread+0x354/0x420 [ 1379.758341] ? sort_range+0x30/0x30 [ 1379.761966] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1379.767584] ret_from_fork+0x24/0x30 [ 1379.771306] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1379.771437] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1379.778673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1379.789933] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1379.799277] Call Trace: [ 1379.806678] [ 1379.808828] dump_stack+0x197/0x210 [ 1379.812465] warn_alloc.cold+0x7b/0x173 [ 1379.816438] ? zone_watermark_ok_safe+0x260/0x260 [ 1379.821276] ? __cpuset_node_allowed+0x136/0x540 [ 1379.826038] ? __isolate_free_page+0x4c0/0x4c0 [ 1379.830629] ? wake_all_kswapds+0x14d/0x300 [ 1379.834952] __alloc_pages_slowpath+0x2214/0x2870 [ 1379.839810] ? warn_alloc+0x110/0x110 [ 1379.843623] ? __lock_acquire+0x6ee/0x49c0 [ 1379.847850] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1379.853378] ? should_fail+0x14d/0x85c [ 1379.857271] ? __isolate_free_page+0x4c0/0x4c0 [ 1379.861850] __alloc_pages_nodemask+0x617/0x750 [ 1379.866516] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1379.871530] ? find_held_lock+0x35/0x130 [ 1379.875585] cache_grow_begin+0x91/0x8c0 [ 1379.879639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1379.885163] ? __cpuset_node_allowed+0x136/0x540 [ 1379.889912] fallback_alloc+0x1fd/0x2d0 [ 1379.893880] ____cache_alloc_node+0x1be/0x1e0 [ 1379.898366] kmem_cache_alloc_node+0xe3/0x710 [ 1379.902852] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1379.907083] __alloc_skb+0xd5/0x5f0 [ 1379.910710] ? skb_trim+0x190/0x190 [ 1379.914328] ? kasan_check_read+0x11/0x20 [ 1379.918474] ndisc_alloc_skb+0x13c/0x340 [ 1379.922531] ndisc_send_rs+0x35f/0x6e0 [ 1379.926422] addrconf_rs_timer+0x30f/0x680 [ 1379.930654] ? ipv6_get_lladdr+0x490/0x490 [ 1379.934896] call_timer_fn+0x18d/0x720 [ 1379.938782] ? ipv6_get_lladdr+0x490/0x490 [ 1379.943003] ? process_timeout+0x40/0x40 [ 1379.947054] ? run_timer_softirq+0x644/0x16a0 [ 1379.951542] ? trace_hardirqs_on+0x67/0x220 [ 1379.955854] ? ipv6_get_lladdr+0x490/0x490 [ 1379.960077] run_timer_softirq+0x64f/0x16a0 [ 1379.964396] ? add_timer+0xbe0/0xbe0 [ 1379.968101] ? __lock_is_held+0xb6/0x140 [ 1379.972161] __do_softirq+0x25c/0x921 [ 1379.975950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1379.981489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1379.987026] irq_exit+0x180/0x1d0 [ 1379.990480] smp_apic_timer_interrupt+0x13b/0x550 [ 1379.995317] apic_timer_interrupt+0xf/0x20 [ 1379.999544] [ 1380.001775] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1380.006349] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1380.025247] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1380.032944] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1380.040203] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1380.047465] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1380.054731] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1380.061989] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1380.069276] percpu_ref_put_many+0x37/0x190 [ 1380.073588] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1380.078679] mem_cgroup_iter+0x907/0xac0 [ 1380.082734] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1380.087478] ? kasan_check_read+0x11/0x20 [ 1380.091615] ? mem_cgroup_protected+0x44/0x380 [ 1380.096186] ? vmpressure+0x19f/0x350 [ 1380.099983] shrink_node+0x402/0x1450 [ 1380.103788] ? shrink_node_memcg+0x13f0/0x13f0 [ 1380.108363] ? kvm_clock_read+0x18/0x30 [ 1380.112327] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1380.117342] ? ktime_get+0x202/0x2f0 [ 1380.121069] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1380.126618] ? __cpuset_node_allowed+0x136/0x540 [ 1380.131373] do_try_to_free_pages+0x3cb/0x11c0 [ 1380.135965] ? shrink_node+0x1450/0x1450 [ 1380.140045] try_to_free_pages+0x2ee/0x7f0 [ 1380.144285] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1380.149149] __alloc_pages_slowpath+0x990/0x2870 [ 1380.153920] ? warn_alloc+0x110/0x110 [ 1380.157713] ? __lock_is_held+0xb6/0x140 [ 1380.161774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1380.167312] ? should_fail+0x14d/0x85c [ 1380.171206] ? __might_sleep+0x95/0x190 [ 1380.175175] __alloc_pages_nodemask+0x617/0x750 [ 1380.179926] ? kasan_check_read+0x11/0x20 [ 1380.184069] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1380.189085] ? find_get_entry+0x3e1/0xa00 [ 1380.193225] ? find_get_pages_contig+0xed0/0xed0 [ 1380.197976] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1380.203509] alloc_pages_current+0x107/0x210 [ 1380.207921] __page_cache_alloc+0x2bd/0x450 [ 1380.212231] ? kasan_check_read+0x11/0x20 [ 1380.216372] filemap_fault+0xfeb/0x1f00 [ 1380.220338] ? lock_downgrade+0x880/0x880 [ 1380.224484] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1380.229148] ? lock_acquire+0x16f/0x3f0 [ 1380.233112] ? ext4_filemap_fault+0x7b/0xaf [ 1380.237434] ext4_filemap_fault+0x83/0xaf [ 1380.241570] __do_fault+0x111/0x480 [ 1380.245202] __handle_mm_fault+0x2d78/0x3f80 [ 1380.249608] ? copy_page_range+0x2030/0x2030 [ 1380.254025] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1380.258708] handle_mm_fault+0x1b5/0x690 [ 1380.262765] __do_page_fault+0x62a/0xe90 [ 1380.266824] ? vmalloc_fault+0x740/0x740 [ 1380.270876] ? trace_hardirqs_off_caller+0x65/0x220 [ 1380.275883] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1380.280801] ? page_fault+0x8/0x30 [ 1380.284337] do_page_fault+0x71/0x57d [ 1380.288127] ? page_fault+0x8/0x30 [ 1380.291657] page_fault+0x1e/0x30 [ 1380.295101] RIP: 0033:0x45b153 [ 1380.298314] Code: Bad RIP value. [ 1380.301668] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1380.307043] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1380.314305] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1380.321579] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1380.328842] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1380.336105] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1380.343411] warn_alloc_show_mem: 1 callbacks suppressed [ 1380.343421] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1380.343423] Mem-Info: [ 1380.343453] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1380.343453] active_file:12 inactive_file:12 isolated_file:0 [ 1380.343453] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1380.343453] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1380.343453] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1380.343453] free:10883 free_pcp:183 free_cma:0 [ 1380.348789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1380.355977] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1380.358366] Call Trace: [ 1380.391507] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1380.400843] dump_stack+0x197/0x210 [ 1380.428320] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1380.430913] warn_alloc.cold+0x7b/0x173 [ 1380.456730] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1380.460363] ? zone_watermark_ok_safe+0x260/0x260 [ 1380.486492] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1380.490473] ? __cpuset_node_allowed+0x136/0x540 [ 1380.495463] lowmem_reserve[]: 0 0 1 1 1 [ 1380.500330] ? __isolate_free_page+0x4c0/0x4c0 [ 1380.529096] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1380.533848] ? wake_all_kswapds+0x14d/0x300 [ 1380.537785] lowmem_reserve[]: 0 0 0 0 0 [ 1380.542379] __alloc_pages_slowpath+0x2214/0x2870 [ 1380.568116] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1380.572449] ? warn_alloc+0x110/0x110 [ 1380.576388] lowmem_reserve[]: 0 0 0 0 0 [ 1380.581226] ? __lock_acquire+0x6ee/0x49c0 [ 1380.609061] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1380.612872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1380.616812] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1380.621038] ? should_fail+0x14d/0x85c [ 1380.633146] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1380.638689] ? __isolate_free_page+0x4c0/0x4c0 [ 1380.652731] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1380.656638] __alloc_pages_nodemask+0x617/0x750 [ 1380.667260] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1380.671840] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1380.687335] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1380.687348] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1380.692009] ? find_held_lock+0x35/0x130 [ 1380.700815] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1380.705830] cache_grow_begin+0x91/0x8c0 [ 1380.714375] 269 total pagecache pages [ 1380.723210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1380.727249] 0 pages in swap cache [ 1380.735809] ? __cpuset_node_allowed+0x136/0x540 [ 1380.739851] Swap cache stats: add 0, delete 0, find 0/0 [ 1380.743648] fallback_alloc+0x1fd/0x2d0 [ 1380.749158] Free swap = 0kB [ 1380.752614] ____cache_alloc_node+0x1be/0x1e0 [ 1380.757332] Total swap = 0kB [ 1380.757341] 1965979 pages RAM [ 1380.762702] kmem_cache_alloc_node+0xe3/0x710 [ 1380.766652] 0 pages HighMem/MovableOnly [ 1380.766659] 341726 pages reserved [ 1380.769669] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1380.774129] 0 pages cma reserved [ 1380.774195] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1380.777150] __alloc_skb+0xd5/0x5f0 [ 1380.777168] ? skb_trim+0x190/0x190 [ 1380.780298] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1380.784732] ? kasan_check_read+0x11/0x20 [ 1380.788689] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1380.792139] ndisc_alloc_skb+0x13c/0x340 [ 1380.836662] ndisc_send_rs+0x35f/0x6e0 [ 1380.840544] addrconf_rs_timer+0x30f/0x680 [ 1380.844773] ? ipv6_get_lladdr+0x490/0x490 [ 1380.849017] call_timer_fn+0x18d/0x720 [ 1380.852895] ? ipv6_get_lladdr+0x490/0x490 [ 1380.857119] ? process_timeout+0x40/0x40 [ 1380.861170] ? run_timer_softirq+0x644/0x16a0 [ 1380.865660] ? trace_hardirqs_on+0x67/0x220 [ 1380.869978] ? ipv6_get_lladdr+0x490/0x490 [ 1380.874201] run_timer_softirq+0x64f/0x16a0 [ 1380.878518] ? add_timer+0xbe0/0xbe0 [ 1380.882237] ? kvm_clock_read+0x18/0x30 [ 1380.886215] ? check_preemption_disabled+0x48/0x290 [ 1380.891232] ? sched_clock+0x2e/0x50 [ 1380.894969] __do_softirq+0x25c/0x921 [ 1380.898780] ? preempt_schedule_common+0x4f/0xe0 [ 1380.903557] ? takeover_tasklets+0x7b0/0x7b0 [ 1380.907963] run_ksoftirqd+0x8e/0x110 [ 1380.911762] smpboot_thread_fn+0x6a3/0xa30 [ 1380.915995] ? sort_range+0x30/0x30 [ 1380.919615] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1380.925143] ? __kthread_parkme+0xfb/0x1b0 [ 1380.929383] kthread+0x354/0x420 [ 1380.932741] ? sort_range+0x30/0x30 [ 1380.936358] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1380.941894] ret_from_fork+0x24/0x30 [ 1380.945616] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1380.945685] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1380.952983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1380.952992] Call Trace: [ 1380.959584] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1380.968817] [ 1380.971384] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1380.981693] dump_stack+0x197/0x210 [ 1380.992259] warn_alloc.cold+0x7b/0x173 [ 1380.996227] ? zone_watermark_ok_safe+0x260/0x260 [ 1381.001064] ? __cpuset_node_allowed+0x136/0x540 [ 1381.005820] ? __isolate_free_page+0x4c0/0x4c0 [ 1381.010393] ? wake_all_kswapds+0x14d/0x300 [ 1381.014711] __alloc_pages_slowpath+0x2214/0x2870 [ 1381.019576] ? warn_alloc+0x110/0x110 [ 1381.023368] ? __lock_acquire+0x6ee/0x49c0 [ 1381.027593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1381.033121] ? should_fail+0x14d/0x85c [ 1381.037000] ? __isolate_free_page+0x4c0/0x4c0 [ 1381.041585] __alloc_pages_nodemask+0x617/0x750 [ 1381.046261] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1381.051284] ? find_held_lock+0x35/0x130 [ 1381.055341] cache_grow_begin+0x91/0x8c0 [ 1381.059391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1381.064919] ? __cpuset_node_allowed+0x136/0x540 [ 1381.069665] fallback_alloc+0x1fd/0x2d0 [ 1381.073633] ____cache_alloc_node+0x1be/0x1e0 [ 1381.078132] kmem_cache_alloc_node+0xe3/0x710 [ 1381.082617] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1381.086850] __alloc_skb+0xd5/0x5f0 [ 1381.090469] ? skb_trim+0x190/0x190 [ 1381.094084] ? kasan_check_read+0x11/0x20 [ 1381.098239] ndisc_alloc_skb+0x13c/0x340 [ 1381.102297] ndisc_send_rs+0x35f/0x6e0 [ 1381.106178] addrconf_rs_timer+0x30f/0x680 [ 1381.110406] ? ipv6_get_lladdr+0x490/0x490 [ 1381.114645] call_timer_fn+0x18d/0x720 [ 1381.118985] ? ipv6_get_lladdr+0x490/0x490 [ 1381.123226] ? process_timeout+0x40/0x40 [ 1381.127396] ? run_timer_softirq+0x644/0x16a0 [ 1381.131911] ? trace_hardirqs_on+0x67/0x220 [ 1381.136231] ? ipv6_get_lladdr+0x490/0x490 [ 1381.140461] run_timer_softirq+0x64f/0x16a0 [ 1381.144813] ? add_timer+0xbe0/0xbe0 [ 1381.148524] ? __lock_is_held+0xb6/0x140 [ 1381.152587] __do_softirq+0x25c/0x921 [ 1381.156394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1381.161925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1381.167470] irq_exit+0x180/0x1d0 [ 1381.170934] smp_apic_timer_interrupt+0x13b/0x550 [ 1381.175778] apic_timer_interrupt+0xf/0x20 [ 1381.180000] [ 1381.182245] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1381.186829] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1381.205740] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1381.213446] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1381.220719] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1381.227993] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1381.235264] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1381.242548] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1381.249850] percpu_ref_put_many+0x37/0x190 [ 1381.254230] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1381.259346] mem_cgroup_iter+0x907/0xac0 [ 1381.263419] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1381.268186] ? kasan_check_read+0x11/0x20 [ 1381.272336] ? mem_cgroup_protected+0x44/0x380 [ 1381.276916] ? vmpressure+0x19f/0x350 [ 1381.280732] shrink_node+0x402/0x1450 [ 1381.284561] ? shrink_node_memcg+0x13f0/0x13f0 [ 1381.289144] ? kvm_clock_read+0x18/0x30 [ 1381.293117] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1381.298132] ? ktime_get+0x202/0x2f0 [ 1381.301843] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1381.307390] ? __cpuset_node_allowed+0x136/0x540 [ 1381.312146] do_try_to_free_pages+0x3cb/0x11c0 [ 1381.316737] ? shrink_node+0x1450/0x1450 [ 1381.320819] try_to_free_pages+0x2ee/0x7f0 [ 1381.325056] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1381.329923] __alloc_pages_slowpath+0x990/0x2870 [ 1381.334711] ? warn_alloc+0x110/0x110 [ 1381.338506] ? __lock_is_held+0xb6/0x140 [ 1381.342567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1381.348124] ? should_fail+0x14d/0x85c [ 1381.352034] ? __might_sleep+0x95/0x190 [ 1381.356012] __alloc_pages_nodemask+0x617/0x750 [ 1381.360694] ? kasan_check_read+0x11/0x20 [ 1381.364841] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1381.369849] ? find_get_entry+0x3e1/0xa00 [ 1381.374009] ? find_get_pages_contig+0xed0/0xed0 [ 1381.378759] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1381.384315] alloc_pages_current+0x107/0x210 [ 1381.388730] __page_cache_alloc+0x2bd/0x450 [ 1381.393059] ? kasan_check_read+0x11/0x20 [ 1381.397222] filemap_fault+0xfeb/0x1f00 [ 1381.401208] ? lock_downgrade+0x880/0x880 [ 1381.405360] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1381.410034] ? lock_acquire+0x16f/0x3f0 [ 1381.414020] ? ext4_filemap_fault+0x7b/0xaf [ 1381.418348] ext4_filemap_fault+0x83/0xaf [ 1381.422485] __do_fault+0x111/0x480 [ 1381.426107] __handle_mm_fault+0x2d78/0x3f80 [ 1381.430508] ? copy_page_range+0x2030/0x2030 [ 1381.434921] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1381.439582] handle_mm_fault+0x1b5/0x690 [ 1381.443637] __do_page_fault+0x62a/0xe90 [ 1381.447704] ? vmalloc_fault+0x740/0x740 [ 1381.451758] ? trace_hardirqs_off_caller+0x65/0x220 [ 1381.457043] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1381.461965] ? page_fault+0x8/0x30 [ 1381.465508] do_page_fault+0x71/0x57d [ 1381.469308] ? page_fault+0x8/0x30 [ 1381.472851] page_fault+0x1e/0x30 [ 1381.476291] RIP: 0033:0x45b153 [ 1381.479486] Code: Bad RIP value. [ 1381.482839] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1381.488192] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1381.495456] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1381.502716] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1381.509977] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1381.517233] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1381.524508] warn_alloc_show_mem: 1 callbacks suppressed [ 1381.524518] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1381.524520] Mem-Info: [ 1381.524549] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1381.524549] active_file:12 inactive_file:12 isolated_file:0 [ 1381.524549] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1381.524549] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1381.524549] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1381.524549] free:10883 free_pcp:183 free_cma:0 [ 1381.529892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1381.529900] Call Trace: [ 1381.537086] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1381.539486] dump_stack+0x197/0x210 [ 1381.572731] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1381.582075] warn_alloc.cold+0x7b/0x173 [ 1381.584623] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1381.612117] ? zone_watermark_ok_safe+0x260/0x260 [ 1381.615713] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1381.641560] ? __cpuset_node_allowed+0x136/0x540 [ 1381.645507] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1381.671625] ? __isolate_free_page+0x4c0/0x4c0 [ 1381.676433] lowmem_reserve[]: 0 0 1 1 1 [ 1381.681443] ? wake_all_kswapds+0x14d/0x300 [ 1381.686172] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1381.714974] __alloc_pages_slowpath+0x2214/0x2870 [ 1381.719517] lowmem_reserve[]: 0 0 0 0 0 [ 1381.723521] ? warn_alloc+0x110/0x110 [ 1381.727807] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1381.753562] ? __lock_acquire+0x6ee/0x49c0 [ 1381.758385] lowmem_reserve[]: 0 0 0 0 0 [ 1381.762362] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1381.766143] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1381.793990] ? should_fail+0x14d/0x85c [ 1381.798205] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1381.802174] ? __isolate_free_page+0x4c0/0x4c0 [ 1381.807679] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1381.819816] __alloc_pages_nodemask+0x617/0x750 [ 1381.823681] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1381.837722] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1381.842278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1381.852928] ? find_held_lock+0x35/0x130 [ 1381.857570] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1381.857582] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1381.873179] cache_grow_begin+0x91/0x8c0 [ 1381.878170] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1381.886991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1381.891030] 269 total pagecache pages [ 1381.899598] ? __cpuset_node_allowed+0x136/0x540 [ 1381.908412] 0 pages in swap cache [ 1381.912465] fallback_alloc+0x1fd/0x2d0 [ 1381.921016] Swap cache stats: add 0, delete 0, find 0/0 [ 1381.921024] Free swap = 0kB [ 1381.926554] ____cache_alloc_node+0x1be/0x1e0 [ 1381.930321] Total swap = 0kB [ 1381.935066] kmem_cache_alloc_node+0xe3/0x710 [ 1381.938490] 1965979 pages RAM [ 1381.942460] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1381.947807] 0 pages HighMem/MovableOnly [ 1381.947815] 341726 pages reserved [ 1381.950837] __alloc_skb+0xd5/0x5f0 [ 1381.955301] 0 pages cma reserved [ 1381.958310] ? skb_trim+0x190/0x190 [ 1381.962844] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1381.965892] ? kasan_check_read+0x11/0x20 [ 1381.965921] ndisc_alloc_skb+0x13c/0x340 [ 1381.970194] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1381.974105] ndisc_send_rs+0x35f/0x6e0 [ 1381.977538] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1381.981180] addrconf_rs_timer+0x30f/0x680 [ 1382.025800] ? ipv6_get_lladdr+0x490/0x490 [ 1382.030048] call_timer_fn+0x18d/0x720 [ 1382.033929] ? ipv6_get_lladdr+0x490/0x490 [ 1382.038155] ? process_timeout+0x40/0x40 [ 1382.042206] ? run_timer_softirq+0x644/0x16a0 [ 1382.046697] ? trace_hardirqs_on+0x67/0x220 [ 1382.051010] ? ipv6_get_lladdr+0x490/0x490 [ 1382.055238] run_timer_softirq+0x64f/0x16a0 [ 1382.059564] ? add_timer+0xbe0/0xbe0 [ 1382.063269] ? kvm_clock_read+0x18/0x30 [ 1382.067245] ? check_preemption_disabled+0x48/0x290 [ 1382.072255] ? sched_clock+0x2e/0x50 [ 1382.075971] __do_softirq+0x25c/0x921 [ 1382.079759] ? preempt_schedule_common+0x4f/0xe0 [ 1382.084515] ? takeover_tasklets+0x7b0/0x7b0 [ 1382.088910] run_ksoftirqd+0x8e/0x110 [ 1382.092700] smpboot_thread_fn+0x6a3/0xa30 [ 1382.096925] ? sort_range+0x30/0x30 [ 1382.100555] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1382.106083] ? __kthread_parkme+0xfb/0x1b0 [ 1382.110312] kthread+0x354/0x420 [ 1382.113667] ? sort_range+0x30/0x30 [ 1382.117286] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1382.122818] ret_from_fork+0x24/0x30 [ 1382.126540] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1382.126672] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1382.133907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1382.133915] Call Trace: [ 1382.140466] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1382.149734] [ 1382.152300] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1382.162610] dump_stack+0x197/0x210 [ 1382.173171] warn_alloc.cold+0x7b/0x173 [ 1382.177138] ? zone_watermark_ok_safe+0x260/0x260 [ 1382.181974] ? __cpuset_node_allowed+0x136/0x540 [ 1382.186726] ? __isolate_free_page+0x4c0/0x4c0 [ 1382.191303] ? wake_all_kswapds+0x14d/0x300 [ 1382.195625] __alloc_pages_slowpath+0x2214/0x2870 [ 1382.200476] ? warn_alloc+0x110/0x110 [ 1382.204268] ? __lock_acquire+0x6ee/0x49c0 [ 1382.208508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1382.214034] ? should_fail+0x14d/0x85c [ 1382.217915] ? __isolate_free_page+0x4c0/0x4c0 [ 1382.222497] __alloc_pages_nodemask+0x617/0x750 [ 1382.227163] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1382.232178] ? find_held_lock+0x35/0x130 [ 1382.236246] cache_grow_begin+0x91/0x8c0 [ 1382.240305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1382.245833] ? __cpuset_node_allowed+0x136/0x540 [ 1382.250582] fallback_alloc+0x1fd/0x2d0 [ 1382.254549] ____cache_alloc_node+0x1be/0x1e0 [ 1382.259039] kmem_cache_alloc_node+0xe3/0x710 [ 1382.263526] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1382.267756] __alloc_skb+0xd5/0x5f0 [ 1382.271386] ? skb_trim+0x190/0x190 [ 1382.275002] ? kasan_check_read+0x11/0x20 [ 1382.279184] ndisc_alloc_skb+0x13c/0x340 [ 1382.283249] ndisc_send_rs+0x35f/0x6e0 [ 1382.287140] addrconf_rs_timer+0x30f/0x680 [ 1382.291391] ? ipv6_get_lladdr+0x490/0x490 [ 1382.295632] call_timer_fn+0x18d/0x720 [ 1382.299517] ? ipv6_get_lladdr+0x490/0x490 [ 1382.303746] ? process_timeout+0x40/0x40 [ 1382.307805] ? run_timer_softirq+0x644/0x16a0 [ 1382.312297] ? trace_hardirqs_on+0x67/0x220 [ 1382.316615] ? ipv6_get_lladdr+0x490/0x490 [ 1382.320842] run_timer_softirq+0x64f/0x16a0 [ 1382.325162] ? add_timer+0xbe0/0xbe0 [ 1382.328873] ? __lock_is_held+0xb6/0x140 [ 1382.332936] __do_softirq+0x25c/0x921 [ 1382.336726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1382.342256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1382.347793] irq_exit+0x180/0x1d0 [ 1382.351237] smp_apic_timer_interrupt+0x13b/0x550 [ 1382.356073] apic_timer_interrupt+0xf/0x20 [ 1382.360293] [ 1382.362525] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1382.367110] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1382.385997] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1382.393696] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1382.400953] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1382.408212] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1382.415472] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1382.422852] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1382.430152] percpu_ref_put_many+0x37/0x190 [ 1382.434468] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1382.439563] mem_cgroup_iter+0x907/0xac0 [ 1382.443620] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1382.448374] ? kasan_check_read+0x11/0x20 [ 1382.452516] ? mem_cgroup_protected+0x44/0x380 [ 1382.457113] ? vmpressure+0x19f/0x350 [ 1382.460914] shrink_node+0x402/0x1450 [ 1382.464748] ? shrink_node_memcg+0x13f0/0x13f0 [ 1382.469341] ? kvm_clock_read+0x18/0x30 [ 1382.473315] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1382.478332] ? ktime_get+0x202/0x2f0 [ 1382.482045] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1382.487579] ? __cpuset_node_allowed+0x136/0x540 [ 1382.492337] do_try_to_free_pages+0x3cb/0x11c0 [ 1382.496929] ? shrink_node+0x1450/0x1450 [ 1382.500993] try_to_free_pages+0x2ee/0x7f0 [ 1382.505236] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1382.510098] __alloc_pages_slowpath+0x990/0x2870 [ 1382.514865] ? warn_alloc+0x110/0x110 [ 1382.518682] ? __lock_is_held+0xb6/0x140 [ 1382.522742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1382.528271] ? should_fail+0x14d/0x85c [ 1382.532158] ? __might_sleep+0x95/0x190 [ 1382.536132] __alloc_pages_nodemask+0x617/0x750 [ 1382.540796] ? kasan_check_read+0x11/0x20 [ 1382.544936] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1382.549944] ? find_get_entry+0x3e1/0xa00 [ 1382.554088] ? find_get_pages_contig+0xed0/0xed0 [ 1382.558834] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1382.564367] alloc_pages_current+0x107/0x210 [ 1382.568777] __page_cache_alloc+0x2bd/0x450 [ 1382.573098] ? kasan_check_read+0x11/0x20 [ 1382.577241] filemap_fault+0xfeb/0x1f00 [ 1382.581206] ? lock_downgrade+0x880/0x880 [ 1382.585353] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1382.590087] ? lock_acquire+0x16f/0x3f0 [ 1382.594120] ? ext4_filemap_fault+0x7b/0xaf [ 1382.598454] ext4_filemap_fault+0x83/0xaf [ 1382.602600] __do_fault+0x111/0x480 [ 1382.606228] __handle_mm_fault+0x2d78/0x3f80 [ 1382.610632] ? copy_page_range+0x2030/0x2030 [ 1382.615048] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1382.619710] handle_mm_fault+0x1b5/0x690 [ 1382.623765] __do_page_fault+0x62a/0xe90 [ 1382.627824] ? vmalloc_fault+0x740/0x740 [ 1382.631899] ? trace_hardirqs_off_caller+0x65/0x220 [ 1382.637003] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1382.641947] ? page_fault+0x8/0x30 [ 1382.645487] do_page_fault+0x71/0x57d [ 1382.649285] ? page_fault+0x8/0x30 [ 1382.652822] page_fault+0x1e/0x30 [ 1382.656269] RIP: 0033:0x45b153 [ 1382.659463] Code: Bad RIP value. [ 1382.663078] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1382.668429] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1382.675690] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1382.682950] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1382.690217] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1382.697478] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1382.704761] warn_alloc_show_mem: 1 callbacks suppressed [ 1382.704771] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1382.704772] Mem-Info: [ 1382.704801] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1382.704801] active_file:12 inactive_file:12 isolated_file:0 [ 1382.704801] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1382.704801] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1382.704801] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1382.704801] free:10883 free_pcp:183 free_cma:0 [ 1382.710150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1382.717334] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1382.719726] Call Trace: [ 1382.752874] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1382.762207] dump_stack+0x197/0x210 [ 1382.789674] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1382.792256] warn_alloc.cold+0x7b/0x173 [ 1382.818080] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1382.821711] ? zone_watermark_ok_safe+0x260/0x260 [ 1382.847800] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1382.851766] ? __cpuset_node_allowed+0x136/0x540 [ 1382.856750] lowmem_reserve[]: 0 0 1 1 1 [ 1382.861607] ? __isolate_free_page+0x4c0/0x4c0 [ 1382.890376] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1382.895134] ? wake_all_kswapds+0x14d/0x300 [ 1382.899075] lowmem_reserve[]: 0 0 0 0 0 [ 1382.903660] __alloc_pages_slowpath+0x2214/0x2870 [ 1382.929399] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1382.933737] ? warn_alloc+0x110/0x110 [ 1382.937656] lowmem_reserve[]: 0 0 0 0 0 [ 1382.942500] ? __lock_acquire+0x6ee/0x49c0 [ 1382.970317] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1382.974113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1382.978053] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1382.982286] ? should_fail+0x14d/0x85c [ 1382.994401] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1382.999936] ? __isolate_free_page+0x4c0/0x4c0 [ 1383.013948] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1383.017849] __alloc_pages_nodemask+0x617/0x750 [ 1383.028490] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1383.033063] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1383.048586] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1383.053266] ? find_held_lock+0x35/0x130 [ 1383.062078] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1383.067083] cache_grow_begin+0x91/0x8c0 [ 1383.075640] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1383.079703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1383.088521] 269 total pagecache pages [ 1383.092569] ? __cpuset_node_allowed+0x136/0x540 [ 1383.101125] 0 pages in swap cache [ 1383.106646] fallback_alloc+0x1fd/0x2d0 [ 1383.110442] Swap cache stats: add 0, delete 0, find 0/0 [ 1383.115194] ____cache_alloc_node+0x1be/0x1e0 [ 1383.118623] Free swap = 0kB [ 1383.122599] kmem_cache_alloc_node+0xe3/0x710 [ 1383.127941] Total swap = 0kB [ 1383.127950] 1965979 pages RAM [ 1383.132435] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1383.135426] 0 pages HighMem/MovableOnly [ 1383.139913] __alloc_skb+0xd5/0x5f0 [ 1383.142898] 341726 pages reserved [ 1383.142905] 0 pages cma reserved [ 1383.145998] ? skb_trim+0x190/0x190 [ 1383.150265] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1383.154168] ? kasan_check_read+0x11/0x20 [ 1383.154198] ndisc_alloc_skb+0x13c/0x340 [ 1383.158000] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1383.161248] ndisc_send_rs+0x35f/0x6e0 [ 1383.164603] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1383.168240] addrconf_rs_timer+0x30f/0x680 [ 1383.205920] ? ipv6_get_lladdr+0x490/0x490 [ 1383.210155] call_timer_fn+0x18d/0x720 [ 1383.214039] ? ipv6_get_lladdr+0x490/0x490 [ 1383.218265] ? process_timeout+0x40/0x40 [ 1383.222317] ? run_timer_softirq+0x644/0x16a0 [ 1383.226808] ? trace_hardirqs_on+0x67/0x220 [ 1383.231123] ? ipv6_get_lladdr+0x490/0x490 [ 1383.235349] run_timer_softirq+0x64f/0x16a0 [ 1383.239665] ? add_timer+0xbe0/0xbe0 [ 1383.243370] ? kvm_clock_read+0x18/0x30 [ 1383.247336] ? check_preemption_disabled+0x48/0x290 [ 1383.252344] ? sched_clock+0x2e/0x50 [ 1383.256055] __do_softirq+0x25c/0x921 [ 1383.259845] ? preempt_schedule_common+0x4f/0xe0 [ 1383.264602] ? takeover_tasklets+0x7b0/0x7b0 [ 1383.269000] run_ksoftirqd+0x8e/0x110 [ 1383.272790] smpboot_thread_fn+0x6a3/0xa30 [ 1383.277018] ? sort_range+0x30/0x30 [ 1383.280632] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1383.286161] ? __kthread_parkme+0xfb/0x1b0 [ 1383.290394] kthread+0x354/0x420 [ 1383.293758] ? sort_range+0x30/0x30 [ 1383.297381] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1383.302910] ret_from_fork+0x24/0x30 [ 1383.306638] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1383.306701] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1383.313993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1383.314000] Call Trace: [ 1383.320548] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1383.329822] [ 1383.332398] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1383.342700] dump_stack+0x197/0x210 [ 1383.353282] warn_alloc.cold+0x7b/0x173 [ 1383.357260] ? zone_watermark_ok_safe+0x260/0x260 [ 1383.362103] ? __cpuset_node_allowed+0x136/0x540 [ 1383.366865] ? __isolate_free_page+0x4c0/0x4c0 [ 1383.371459] ? wake_all_kswapds+0x14d/0x300 [ 1383.375785] __alloc_pages_slowpath+0x2214/0x2870 [ 1383.380637] ? warn_alloc+0x110/0x110 [ 1383.384435] ? __lock_acquire+0x6ee/0x49c0 [ 1383.388667] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1383.394215] ? should_fail+0x14d/0x85c [ 1383.398103] ? __isolate_free_page+0x4c0/0x4c0 [ 1383.402703] __alloc_pages_nodemask+0x617/0x750 [ 1383.407380] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1383.412411] ? find_held_lock+0x35/0x130 [ 1383.416470] cache_grow_begin+0x91/0x8c0 [ 1383.420526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1383.426052] ? __cpuset_node_allowed+0x136/0x540 [ 1383.430802] fallback_alloc+0x1fd/0x2d0 [ 1383.434774] ____cache_alloc_node+0x1be/0x1e0 [ 1383.439263] kmem_cache_alloc_node+0xe3/0x710 [ 1383.443751] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1383.447994] __alloc_skb+0xd5/0x5f0 [ 1383.451613] ? skb_trim+0x190/0x190 [ 1383.455232] ? kasan_check_read+0x11/0x20 [ 1383.459377] ndisc_alloc_skb+0x13c/0x340 [ 1383.463431] ndisc_send_rs+0x35f/0x6e0 [ 1383.467316] addrconf_rs_timer+0x30f/0x680 [ 1383.471544] ? ipv6_get_lladdr+0x490/0x490 [ 1383.475786] call_timer_fn+0x18d/0x720 [ 1383.479665] ? ipv6_get_lladdr+0x490/0x490 [ 1383.483892] ? process_timeout+0x40/0x40 [ 1383.487940] ? run_timer_softirq+0x644/0x16a0 [ 1383.492438] ? trace_hardirqs_on+0x67/0x220 [ 1383.496753] ? ipv6_get_lladdr+0x490/0x490 [ 1383.500978] run_timer_softirq+0x64f/0x16a0 [ 1383.505299] ? add_timer+0xbe0/0xbe0 [ 1383.509009] ? __lock_is_held+0xb6/0x140 [ 1383.513086] __do_softirq+0x25c/0x921 [ 1383.516877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1383.522414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1383.527959] irq_exit+0x180/0x1d0 [ 1383.531501] smp_apic_timer_interrupt+0x13b/0x550 [ 1383.536368] apic_timer_interrupt+0xf/0x20 [ 1383.540590] [ 1383.542837] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1383.547421] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1383.566332] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1383.574036] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1383.581311] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1383.588573] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1383.595844] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1383.603103] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1383.610405] percpu_ref_put_many+0x37/0x190 [ 1383.614716] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1383.619815] mem_cgroup_iter+0x907/0xac0 [ 1383.623872] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1383.628619] ? kasan_check_read+0x11/0x20 [ 1383.632773] ? mem_cgroup_protected+0x44/0x380 [ 1383.637349] ? vmpressure+0x19f/0x350 [ 1383.641149] shrink_node+0x402/0x1450 [ 1383.644976] ? shrink_node_memcg+0x13f0/0x13f0 [ 1383.649557] ? kvm_clock_read+0x18/0x30 [ 1383.653529] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1383.658556] ? ktime_get+0x202/0x2f0 [ 1383.662271] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1383.667805] ? __cpuset_node_allowed+0x136/0x540 [ 1383.672592] do_try_to_free_pages+0x3cb/0x11c0 [ 1383.677186] ? shrink_node+0x1450/0x1450 [ 1383.681253] try_to_free_pages+0x2ee/0x7f0 [ 1383.685501] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1383.690441] __alloc_pages_slowpath+0x990/0x2870 [ 1383.695223] ? warn_alloc+0x110/0x110 [ 1383.699020] ? __lock_is_held+0xb6/0x140 [ 1383.703102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1383.708645] ? should_fail+0x14d/0x85c [ 1383.712550] ? __might_sleep+0x95/0x190 [ 1383.716521] __alloc_pages_nodemask+0x617/0x750 [ 1383.721188] ? kasan_check_read+0x11/0x20 [ 1383.725355] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1383.730383] ? find_get_entry+0x3e1/0xa00 [ 1383.734544] ? find_get_pages_contig+0xed0/0xed0 [ 1383.739297] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1383.744830] alloc_pages_current+0x107/0x210 [ 1383.749243] __page_cache_alloc+0x2bd/0x450 [ 1383.753558] ? kasan_check_read+0x11/0x20 [ 1383.757722] filemap_fault+0xfeb/0x1f00 [ 1383.761695] ? lock_downgrade+0x880/0x880 [ 1383.765844] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1383.770525] ? lock_acquire+0x16f/0x3f0 [ 1383.774511] ? ext4_filemap_fault+0x7b/0xaf [ 1383.778854] ext4_filemap_fault+0x83/0xaf [ 1383.782999] __do_fault+0x111/0x480 [ 1383.786626] __handle_mm_fault+0x2d78/0x3f80 [ 1383.791058] ? copy_page_range+0x2030/0x2030 [ 1383.795477] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1383.800144] handle_mm_fault+0x1b5/0x690 [ 1383.804220] __do_page_fault+0x62a/0xe90 [ 1383.808288] ? vmalloc_fault+0x740/0x740 [ 1383.812346] ? trace_hardirqs_off_caller+0x65/0x220 [ 1383.817366] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1383.822300] ? page_fault+0x8/0x30 [ 1383.825840] do_page_fault+0x71/0x57d [ 1383.829635] ? page_fault+0x8/0x30 [ 1383.833171] page_fault+0x1e/0x30 [ 1383.836618] RIP: 0033:0x45b153 [ 1383.839814] Code: Bad RIP value. [ 1383.843175] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1383.848544] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1383.855809] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1383.863082] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1383.870365] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1383.877628] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1383.885011] warn_alloc_show_mem: 1 callbacks suppressed [ 1383.885021] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1383.885023] Mem-Info: [ 1383.885053] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1383.885053] active_file:12 inactive_file:12 isolated_file:0 [ 1383.885053] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1383.885053] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1383.885053] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1383.885053] free:10883 free_pcp:183 free_cma:0 [ 1383.890389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1383.897585] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1383.899983] Call Trace: [ 1383.933136] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1383.942477] dump_stack+0x197/0x210 [ 1383.969953] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1383.972534] warn_alloc.cold+0x7b/0x173 [ 1383.998351] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1384.001987] ? zone_watermark_ok_safe+0x260/0x260 [ 1384.028064] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1384.032031] ? __cpuset_node_allowed+0x136/0x540 [ 1384.037016] lowmem_reserve[]: 0 0 1 1 1 [ 1384.041859] ? __isolate_free_page+0x4c0/0x4c0 [ 1384.070627] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1384.075378] ? wake_all_kswapds+0x14d/0x300 [ 1384.079315] lowmem_reserve[]: 0 0 0 0 0 [ 1384.083901] __alloc_pages_slowpath+0x2214/0x2870 [ 1384.109628] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1384.113969] ? warn_alloc+0x110/0x110 [ 1384.117903] lowmem_reserve[]: 0 0 0 0 0 [ 1384.122763] ? __lock_acquire+0x6ee/0x49c0 [ 1384.150598] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1384.154400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1384.158351] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1384.162577] ? should_fail+0x14d/0x85c [ 1384.174682] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1384.180327] ? __isolate_free_page+0x4c0/0x4c0 [ 1384.194340] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1384.198229] __alloc_pages_nodemask+0x617/0x750 [ 1384.208866] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1384.213436] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1384.228938] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1384.233599] ? find_held_lock+0x35/0x130 [ 1384.242407] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1384.247410] cache_grow_begin+0x91/0x8c0 [ 1384.255953] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1384.255961] 269 total pagecache pages [ 1384.260035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1384.268846] 0 pages in swap cache [ 1384.272891] ? __cpuset_node_allowed+0x136/0x540 [ 1384.281442] Swap cache stats: add 0, delete 0, find 0/0 [ 1384.285230] fallback_alloc+0x1fd/0x2d0 [ 1384.290741] Free swap = 0kB [ 1384.294184] ____cache_alloc_node+0x1be/0x1e0 [ 1384.298903] Total swap = 0kB [ 1384.298911] 1965979 pages RAM [ 1384.304263] kmem_cache_alloc_node+0xe3/0x710 [ 1384.308216] 0 pages HighMem/MovableOnly [ 1384.308224] 341726 pages reserved [ 1384.311254] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1384.315720] 0 pages cma reserved [ 1384.319258] __alloc_skb+0xd5/0x5f0 [ 1384.322394] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1384.326826] ? skb_trim+0x190/0x190 [ 1384.326839] ? kasan_check_read+0x11/0x20 [ 1384.326863] ndisc_alloc_skb+0x13c/0x340 [ 1384.330869] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1384.334253] ndisc_send_rs+0x35f/0x6e0 [ 1384.338459] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1384.341817] addrconf_rs_timer+0x30f/0x680 [ 1384.386788] ? ipv6_get_lladdr+0x490/0x490 [ 1384.391024] call_timer_fn+0x18d/0x720 [ 1384.394917] ? ipv6_get_lladdr+0x490/0x490 [ 1384.399143] ? process_timeout+0x40/0x40 [ 1384.403200] ? run_timer_softirq+0x644/0x16a0 [ 1384.407689] ? trace_hardirqs_on+0x67/0x220 [ 1384.412013] ? ipv6_get_lladdr+0x490/0x490 [ 1384.416238] run_timer_softirq+0x64f/0x16a0 [ 1384.420577] ? add_timer+0xbe0/0xbe0 [ 1384.424289] ? kvm_clock_read+0x18/0x30 [ 1384.428259] ? check_preemption_disabled+0x48/0x290 [ 1384.433277] ? sched_clock+0x2e/0x50 [ 1384.437011] __do_softirq+0x25c/0x921 [ 1384.440806] ? preempt_schedule_common+0x4f/0xe0 [ 1384.445563] ? takeover_tasklets+0x7b0/0x7b0 [ 1384.449991] run_ksoftirqd+0x8e/0x110 [ 1384.453785] smpboot_thread_fn+0x6a3/0xa30 [ 1384.458016] ? sort_range+0x30/0x30 [ 1384.461636] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1384.467179] ? __kthread_parkme+0xfb/0x1b0 [ 1384.471414] kthread+0x354/0x420 [ 1384.474773] ? sort_range+0x30/0x30 [ 1384.478393] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1384.483940] ret_from_fork+0x24/0x30 [ 1384.487658] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1384.487726] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1384.495032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1384.495036] Call Trace: [ 1384.495043] [ 1384.495058] dump_stack+0x197/0x210 [ 1384.495075] warn_alloc.cold+0x7b/0x173 [ 1384.501599] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1384.510904] ? zone_watermark_ok_safe+0x260/0x260 [ 1384.513459] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1384.515613] ? __cpuset_node_allowed+0x136/0x540 [ 1384.547845] ? __isolate_free_page+0x4c0/0x4c0 [ 1384.552423] ? wake_all_kswapds+0x14d/0x300 [ 1384.556742] __alloc_pages_slowpath+0x2214/0x2870 [ 1384.561593] ? warn_alloc+0x110/0x110 [ 1384.565385] ? __lock_acquire+0x6ee/0x49c0 [ 1384.569610] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1384.575197] ? should_fail+0x14d/0x85c [ 1384.579101] ? __isolate_free_page+0x4c0/0x4c0 [ 1384.583688] __alloc_pages_nodemask+0x617/0x750 [ 1384.588359] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1384.593391] ? find_held_lock+0x35/0x130 [ 1384.597456] cache_grow_begin+0x91/0x8c0 [ 1384.601509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1384.607052] ? __cpuset_node_allowed+0x136/0x540 [ 1384.611811] fallback_alloc+0x1fd/0x2d0 [ 1384.615796] ____cache_alloc_node+0x1be/0x1e0 [ 1384.620288] kmem_cache_alloc+0x1f3/0x700 [ 1384.624428] ? mark_held_locks+0xb1/0x100 [ 1384.628583] ? __netdev_alloc_skb+0x370/0x470 [ 1384.633076] __build_skb+0x3e/0x310 [ 1384.636702] __netdev_alloc_skb+0x2ba/0x470 [ 1384.641039] send_hsr_supervision_frame+0x110/0xf30 [ 1384.646086] ? lock_acquire+0x16f/0x3f0 [ 1384.650077] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1384.655095] hsr_announce+0x12f/0x3b0 [ 1384.658893] call_timer_fn+0x18d/0x720 [ 1384.662773] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1384.667960] ? process_timeout+0x40/0x40 [ 1384.672015] ? run_timer_softirq+0x644/0x16a0 [ 1384.676506] ? trace_hardirqs_on+0x67/0x220 [ 1384.680825] ? send_hsr_supervision_frame+0xf30/0xf30 [ 1384.686008] run_timer_softirq+0x64f/0x16a0 [ 1384.690324] ? add_timer+0xbe0/0xbe0 [ 1384.694034] ? __lock_is_held+0xb6/0x140 [ 1384.698098] __do_softirq+0x25c/0x921 [ 1384.701901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1384.707438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1384.712973] irq_exit+0x180/0x1d0 [ 1384.716419] smp_apic_timer_interrupt+0x13b/0x550 [ 1384.721254] apic_timer_interrupt+0xf/0x20 [ 1384.725475] [ 1384.727706] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1384.732279] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1384.751180] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1384.758876] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1384.766135] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1384.773404] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1384.780684] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1384.787961] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1384.795267] percpu_ref_put_many+0x37/0x190 [ 1384.799585] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1384.804686] mem_cgroup_iter+0x907/0xac0 [ 1384.808745] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1384.813497] ? kasan_check_read+0x11/0x20 [ 1384.817636] ? mem_cgroup_protected+0x44/0x380 [ 1384.822210] ? vmpressure+0x19f/0x350 [ 1384.826006] shrink_node+0x402/0x1450 [ 1384.829809] ? shrink_node_memcg+0x13f0/0x13f0 [ 1384.834380] ? kvm_clock_read+0x18/0x30 [ 1384.838346] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1384.843351] ? ktime_get+0x202/0x2f0 [ 1384.847056] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1384.852580] ? __cpuset_node_allowed+0x136/0x540 [ 1384.857343] do_try_to_free_pages+0x3cb/0x11c0 [ 1384.861928] ? shrink_node+0x1450/0x1450 [ 1384.865991] try_to_free_pages+0x2ee/0x7f0 [ 1384.870220] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1384.875071] __alloc_pages_slowpath+0x990/0x2870 [ 1384.879838] ? warn_alloc+0x110/0x110 [ 1384.883630] ? __lock_is_held+0xb6/0x140 [ 1384.887685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1384.893210] ? should_fail+0x14d/0x85c [ 1384.897100] ? __might_sleep+0x95/0x190 [ 1384.901071] __alloc_pages_nodemask+0x617/0x750 [ 1384.905732] ? kasan_check_read+0x11/0x20 [ 1384.909886] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1384.914891] ? find_get_entry+0x3e1/0xa00 [ 1384.919035] ? find_get_pages_contig+0xed0/0xed0 [ 1384.923779] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1384.929313] alloc_pages_current+0x107/0x210 [ 1384.933712] __page_cache_alloc+0x2bd/0x450 [ 1384.938026] ? kasan_check_read+0x11/0x20 [ 1384.942176] filemap_fault+0xfeb/0x1f00 [ 1384.946150] ? lock_downgrade+0x880/0x880 [ 1384.950303] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1384.954975] ? lock_acquire+0x16f/0x3f0 [ 1384.958940] ? ext4_filemap_fault+0x7b/0xaf [ 1384.963259] ext4_filemap_fault+0x83/0xaf [ 1384.967398] __do_fault+0x111/0x480 [ 1384.971020] __handle_mm_fault+0x2d78/0x3f80 [ 1384.975422] ? copy_page_range+0x2030/0x2030 [ 1384.979841] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1384.984501] handle_mm_fault+0x1b5/0x690 [ 1384.988559] __do_page_fault+0x62a/0xe90 [ 1384.992616] ? vmalloc_fault+0x740/0x740 [ 1384.996668] ? trace_hardirqs_off_caller+0x65/0x220 [ 1385.001674] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1385.006595] ? page_fault+0x8/0x30 [ 1385.010127] do_page_fault+0x71/0x57d [ 1385.013916] ? page_fault+0x8/0x30 [ 1385.017448] page_fault+0x1e/0x30 [ 1385.020892] RIP: 0033:0x45b153 [ 1385.024091] Code: Bad RIP value. [ 1385.027441] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1385.032802] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1385.040059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1385.047324] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1385.054582] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1385.061850] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1385.069123] warn_alloc_show_mem: 1 callbacks suppressed [ 1385.069132] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1385.069134] Mem-Info: [ 1385.069162] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1385.069162] active_file:12 inactive_file:12 isolated_file:0 [ 1385.069162] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1385.069162] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1385.069162] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1385.069162] free:10883 free_pcp:183 free_cma:0 [ 1385.074498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1385.081683] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1385.084070] Call Trace: [ 1385.117212] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1385.126553] dump_stack+0x197/0x210 [ 1385.154028] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1385.156609] warn_alloc.cold+0x7b/0x173 [ 1385.182432] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1385.186071] ? zone_watermark_ok_safe+0x260/0x260 [ 1385.212167] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1385.216142] ? __cpuset_node_allowed+0x136/0x540 [ 1385.221122] lowmem_reserve[]: 0 0 1 1 1 [ 1385.225962] ? __isolate_free_page+0x4c0/0x4c0 [ 1385.254730] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1385.259477] ? wake_all_kswapds+0x14d/0x300 [ 1385.263422] lowmem_reserve[]: 0 0 0 0 0 [ 1385.268004] __alloc_pages_slowpath+0x2214/0x2870 [ 1385.293743] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1385.298077] ? warn_alloc+0x110/0x110 [ 1385.302008] lowmem_reserve[]: 0 0 0 0 0 [ 1385.306846] ? __lock_acquire+0x6ee/0x49c0 [ 1385.334661] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1385.338461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1385.342419] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1385.346645] ? should_fail+0x14d/0x85c [ 1385.358749] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1385.364288] ? __isolate_free_page+0x4c0/0x4c0 [ 1385.378311] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1385.382213] __alloc_pages_nodemask+0x617/0x750 [ 1385.392843] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1385.397415] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1385.412912] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1385.412927] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1385.417604] ? find_held_lock+0x35/0x130 [ 1385.426418] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1385.431424] cache_grow_begin+0x91/0x8c0 [ 1385.439977] 269 total pagecache pages [ 1385.448802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1385.452846] 0 pages in swap cache [ 1385.461403] ? __cpuset_node_allowed+0x136/0x540 [ 1385.465445] Swap cache stats: add 0, delete 0, find 0/0 [ 1385.465453] Free swap = 0kB [ 1385.469241] fallback_alloc+0x1fd/0x2d0 [ 1385.474750] Total swap = 0kB [ 1385.478208] ____cache_alloc_node+0x1be/0x1e0 [ 1385.482934] 1965979 pages RAM [ 1385.488287] kmem_cache_alloc_node+0xe3/0x710 [ 1385.491273] 0 pages HighMem/MovableOnly [ 1385.491280] 341726 pages reserved [ 1385.495248] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1385.498240] 0 pages cma reserved [ 1385.502730] __alloc_skb+0xd5/0x5f0 [ 1385.505945] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1385.510292] ? skb_trim+0x190/0x190 [ 1385.514253] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1385.517708] ? kasan_check_read+0x11/0x20 [ 1385.551669] ndisc_alloc_skb+0x13c/0x340 [ 1385.555727] ndisc_send_rs+0x35f/0x6e0 [ 1385.559619] addrconf_rs_timer+0x30f/0x680 [ 1385.563848] ? ipv6_get_lladdr+0x490/0x490 [ 1385.568114] call_timer_fn+0x18d/0x720 [ 1385.572009] ? ipv6_get_lladdr+0x490/0x490 [ 1385.576249] ? process_timeout+0x40/0x40 [ 1385.580306] ? run_timer_softirq+0x644/0x16a0 [ 1385.584800] ? trace_hardirqs_on+0x67/0x220 [ 1385.589115] ? ipv6_get_lladdr+0x490/0x490 [ 1385.593341] run_timer_softirq+0x64f/0x16a0 [ 1385.597660] ? add_timer+0xbe0/0xbe0 [ 1385.601470] ? kvm_clock_read+0x18/0x30 [ 1385.605439] ? check_preemption_disabled+0x48/0x290 [ 1385.610447] ? sched_clock+0x2e/0x50 [ 1385.614161] __do_softirq+0x25c/0x921 [ 1385.617952] ? preempt_schedule_common+0x4f/0xe0 [ 1385.622708] ? takeover_tasklets+0x7b0/0x7b0 [ 1385.627105] run_ksoftirqd+0x8e/0x110 [ 1385.630898] smpboot_thread_fn+0x6a3/0xa30 [ 1385.635126] ? sort_range+0x30/0x30 [ 1385.638743] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1385.644269] ? __kthread_parkme+0xfb/0x1b0 [ 1385.648496] kthread+0x354/0x420 [ 1385.651851] ? sort_range+0x30/0x30 [ 1385.655470] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1385.660997] ret_from_fork+0x24/0x30 [ 1385.664718] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1385.664785] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1385.672194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1385.672202] Call Trace: [ 1385.678791] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1385.688050] [ 1385.690621] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1385.700927] dump_stack+0x197/0x210 [ 1385.711488] warn_alloc.cold+0x7b/0x173 [ 1385.715460] ? zone_watermark_ok_safe+0x260/0x260 [ 1385.720294] ? __cpuset_node_allowed+0x136/0x540 [ 1385.725049] ? __isolate_free_page+0x4c0/0x4c0 [ 1385.729622] ? wake_all_kswapds+0x14d/0x300 [ 1385.733948] __alloc_pages_slowpath+0x2214/0x2870 [ 1385.738798] ? warn_alloc+0x110/0x110 [ 1385.742596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1385.748126] ? should_fail+0x14d/0x85c [ 1385.752008] ? __isolate_free_page+0x4c0/0x4c0 [ 1385.756590] __alloc_pages_nodemask+0x617/0x750 [ 1385.761257] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1385.766277] cache_grow_begin+0x91/0x8c0 [ 1385.770333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1385.775868] ? __cpuset_node_allowed+0x136/0x540 [ 1385.780615] fallback_alloc+0x1fd/0x2d0 [ 1385.784587] ____cache_alloc_node+0x1be/0x1e0 [ 1385.789079] kmem_cache_alloc_node+0xe3/0x710 [ 1385.793565] ? queue_work_on+0xe2/0x200 [ 1385.797533] ? switchdev_deferred_enqueue+0x1ad/0x220 [ 1385.802716] ? queue_work_on+0xe2/0x200 [ 1385.806687] __alloc_skb+0xd5/0x5f0 [ 1385.810305] ? skb_trim+0x190/0x190 [ 1385.813928] ? switchdev_port_obj_del_now+0x1e0/0x1e0 [ 1385.819121] ? switchdev_deferred_enqueue+0x1b2/0x220 [ 1385.824311] __br_mdb_notify+0x2af/0xe40 [ 1385.828368] ? __br_mdb_add+0x7b0/0x7b0 [ 1385.832348] ? debug_object_deactivate+0x1e4/0x360 [ 1385.837274] br_mdb_notify+0x20d/0x2d0 [ 1385.841153] ? br_mdb_dump+0x1fe0/0x1fe0 [ 1385.845203] ? lock_acquire+0x16f/0x3f0 [ 1385.849178] ? kasan_check_write+0x14/0x20 [ 1385.853404] ? do_raw_spin_lock+0xc8/0x240 [ 1385.857663] br_multicast_group_expired+0x141/0x410 [ 1385.862692] call_timer_fn+0x18d/0x720 [ 1385.866584] ? br_mdb_free+0x80/0x80 [ 1385.870305] ? process_timeout+0x40/0x40 [ 1385.874368] ? run_timer_softirq+0x644/0x16a0 [ 1385.878858] ? trace_hardirqs_on+0x67/0x220 [ 1385.883173] ? br_mdb_free+0x80/0x80 [ 1385.886880] run_timer_softirq+0x64f/0x16a0 [ 1385.891204] ? add_timer+0xbe0/0xbe0 [ 1385.894918] ? __lock_is_held+0xb6/0x140 [ 1385.898982] __do_softirq+0x25c/0x921 [ 1385.902777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1385.908305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1385.913850] irq_exit+0x180/0x1d0 [ 1385.917295] smp_apic_timer_interrupt+0x13b/0x550 [ 1385.922131] apic_timer_interrupt+0xf/0x20 [ 1385.926349] [ 1385.928578] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1385.933152] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1385.952041] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1385.959739] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1385.966999] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1385.974256] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1385.981525] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1385.988783] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1385.996067] percpu_ref_put_many+0x37/0x190 [ 1386.000378] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1386.005469] mem_cgroup_iter+0x907/0xac0 [ 1386.009532] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1386.014277] ? kasan_check_read+0x11/0x20 [ 1386.018414] ? mem_cgroup_protected+0x44/0x380 [ 1386.022994] ? vmpressure+0x19f/0x350 [ 1386.026789] shrink_node+0x402/0x1450 [ 1386.030594] ? shrink_node_memcg+0x13f0/0x13f0 [ 1386.035163] ? kvm_clock_read+0x18/0x30 [ 1386.039126] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1386.044134] ? ktime_get+0x202/0x2f0 [ 1386.047838] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1386.053363] ? __cpuset_node_allowed+0x136/0x540 [ 1386.058111] do_try_to_free_pages+0x3cb/0x11c0 [ 1386.062704] ? shrink_node+0x1450/0x1450 [ 1386.066766] try_to_free_pages+0x2ee/0x7f0 [ 1386.071005] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1386.075851] __alloc_pages_slowpath+0x990/0x2870 [ 1386.080613] ? warn_alloc+0x110/0x110 [ 1386.084402] ? __lock_is_held+0xb6/0x140 [ 1386.088455] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1386.093980] ? should_fail+0x14d/0x85c [ 1386.097866] ? __might_sleep+0x95/0x190 [ 1386.101832] __alloc_pages_nodemask+0x617/0x750 [ 1386.106492] ? kasan_check_read+0x11/0x20 [ 1386.110633] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1386.115635] ? find_get_entry+0x3e1/0xa00 [ 1386.119774] ? find_get_pages_contig+0xed0/0xed0 [ 1386.124518] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1386.130047] alloc_pages_current+0x107/0x210 [ 1386.134447] __page_cache_alloc+0x2bd/0x450 [ 1386.138756] ? kasan_check_read+0x11/0x20 [ 1386.142895] filemap_fault+0xfeb/0x1f00 [ 1386.146861] ? lock_downgrade+0x880/0x880 [ 1386.151008] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1386.155671] ? lock_acquire+0x16f/0x3f0 [ 1386.159636] ? ext4_filemap_fault+0x7b/0xaf [ 1386.163958] ext4_filemap_fault+0x83/0xaf [ 1386.168096] __do_fault+0x111/0x480 [ 1386.171716] __handle_mm_fault+0x2d78/0x3f80 [ 1386.176120] ? copy_page_range+0x2030/0x2030 [ 1386.180540] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1386.185198] handle_mm_fault+0x1b5/0x690 [ 1386.189264] __do_page_fault+0x62a/0xe90 [ 1386.193322] ? vmalloc_fault+0x740/0x740 [ 1386.197374] ? trace_hardirqs_off_caller+0x65/0x220 [ 1386.202377] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1386.207296] ? page_fault+0x8/0x30 [ 1386.210827] do_page_fault+0x71/0x57d [ 1386.214616] ? page_fault+0x8/0x30 [ 1386.218144] page_fault+0x1e/0x30 [ 1386.221585] RIP: 0033:0x45b153 [ 1386.224836] Code: Bad RIP value. [ 1386.228203] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1386.233559] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1386.240821] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1386.248082] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1386.255339] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1386.262596] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1386.269871] warn_alloc_show_mem: 1 callbacks suppressed [ 1386.269881] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1386.269883] Mem-Info: [ 1386.269911] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1386.269911] active_file:12 inactive_file:12 isolated_file:0 [ 1386.269911] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1386.269911] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1386.269911] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1386.269911] free:10883 free_pcp:183 free_cma:0 [ 1386.275264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1386.282470] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1386.284878] Call Trace: [ 1386.318035] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1386.327377] dump_stack+0x197/0x210 [ 1386.354843] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1386.357429] warn_alloc.cold+0x7b/0x173 [ 1386.383254] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1386.386885] ? zone_watermark_ok_safe+0x260/0x260 [ 1386.412966] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1386.416954] ? __cpuset_node_allowed+0x136/0x540 [ 1386.421960] lowmem_reserve[]: 0 0 1 1 1 [ 1386.426818] ? __isolate_free_page+0x4c0/0x4c0 [ 1386.456189] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1386.460952] ? wake_all_kswapds+0x14d/0x300 [ 1386.464894] lowmem_reserve[]: 0 0 0 0 0 [ 1386.469477] __alloc_pages_slowpath+0x2214/0x2870 [ 1386.495213] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1386.499545] ? warn_alloc+0x110/0x110 [ 1386.503473] lowmem_reserve[]: 0 0 0 0 0 [ 1386.508308] ? __lock_acquire+0x6ee/0x49c0 [ 1386.536136] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1386.539952] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1386.543910] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1386.548153] ? should_fail+0x14d/0x85c [ 1386.560254] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1386.565792] ? __isolate_free_page+0x4c0/0x4c0 [ 1386.579832] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1386.583746] __alloc_pages_nodemask+0x617/0x750 [ 1386.594386] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1386.598976] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1386.614485] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1386.619148] ? find_held_lock+0x35/0x130 [ 1386.627969] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1386.632984] cache_grow_begin+0x91/0x8c0 [ 1386.641544] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1386.645595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1386.654401] 269 total pagecache pages [ 1386.658461] ? __cpuset_node_allowed+0x136/0x540 [ 1386.667016] 0 pages in swap cache [ 1386.672535] fallback_alloc+0x1fd/0x2d0 [ 1386.676310] Swap cache stats: add 0, delete 0, find 0/0 [ 1386.681065] ____cache_alloc_node+0x1be/0x1e0 [ 1386.684498] Free swap = 0kB [ 1386.688462] kmem_cache_alloc_node+0xe3/0x710 [ 1386.693804] Total swap = 0kB [ 1386.698286] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1386.701275] 1965979 pages RAM [ 1386.705760] __alloc_skb+0xd5/0x5f0 [ 1386.708749] 0 pages HighMem/MovableOnly [ 1386.712969] ? skb_trim+0x190/0x190 [ 1386.716043] 341726 pages reserved [ 1386.716050] 0 pages cma reserved [ 1386.719664] ? kasan_check_read+0x11/0x20 [ 1386.723750] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1386.727237] ndisc_alloc_skb+0x13c/0x340 [ 1386.730668] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1386.734029] ndisc_send_rs+0x35f/0x6e0 [ 1386.761028] addrconf_rs_timer+0x30f/0x680 [ 1386.765279] ? ipv6_get_lladdr+0x490/0x490 [ 1386.769540] call_timer_fn+0x18d/0x720 [ 1386.773429] ? ipv6_get_lladdr+0x490/0x490 [ 1386.777659] ? process_timeout+0x40/0x40 [ 1386.781713] ? run_timer_softirq+0x644/0x16a0 [ 1386.786209] ? trace_hardirqs_on+0x67/0x220 [ 1386.790527] ? ipv6_get_lladdr+0x490/0x490 [ 1386.794754] run_timer_softirq+0x64f/0x16a0 [ 1386.799073] ? add_timer+0xbe0/0xbe0 [ 1386.802775] ? kvm_clock_read+0x18/0x30 [ 1386.806744] ? check_preemption_disabled+0x48/0x290 [ 1386.811750] ? sched_clock+0x2e/0x50 [ 1386.815470] __do_softirq+0x25c/0x921 [ 1386.819262] ? preempt_schedule_common+0x4f/0xe0 [ 1386.824017] ? takeover_tasklets+0x7b0/0x7b0 [ 1386.828424] run_ksoftirqd+0x8e/0x110 [ 1386.832214] smpboot_thread_fn+0x6a3/0xa30 [ 1386.836443] ? sort_range+0x30/0x30 [ 1386.840061] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1386.845586] ? __kthread_parkme+0xfb/0x1b0 [ 1386.849814] kthread+0x354/0x420 [ 1386.853168] ? sort_range+0x30/0x30 [ 1386.856784] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1386.862311] ret_from_fork+0x24/0x30 [ 1386.866034] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1386.866129] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1386.873412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1386.879903] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1386.889226] Call Trace: [ 1386.889234] [ 1386.895371] rcu: 0-...!: (883 ticks this GP) idle=c12/1/0x4000000000000002 softirq=157765/157765 fqs=0 [ 1386.897684] dump_stack+0x197/0x210 [ 1386.897701] warn_alloc.cold+0x7b/0x173 [ 1386.897720] ? zone_watermark_ok_safe+0x260/0x260 [ 1386.897734] ? __cpuset_node_allowed+0x136/0x540 [ 1386.897759] ? __isolate_free_page+0x4c0/0x4c0 [ 1386.897774] ? wake_all_kswapds+0x14d/0x300 [ 1386.897798] __alloc_pages_slowpath+0x2214/0x2870 [ 1386.900126] rcu: (t=10500 jiffies g=154337 q=4) [ 1386.909751] ? warn_alloc+0x110/0x110 [ 1386.913344] rcu: rcu_preempt kthread starved for 10500 jiffies! g154337 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 1386.917300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1386.922123] rcu: RCU grace-period kthread stack dump: [ 1386.926869] ? should_fail+0x14d/0x85c [ 1386.931421] rcu_preempt R running task 29424 10 2 0x80000000 [ 1386.935752] ? __isolate_free_page+0x4c0/0x4c0 [ 1386.940573] Call Trace: [ 1386.945414] __alloc_pages_nodemask+0x617/0x750 [ 1386.949206] __schedule+0x866/0x1dc0 [ 1386.959775] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1386.965305] ? firmware_map_remove+0x1a7/0x1a7 [ 1386.970485] cache_grow_begin+0x91/0x8c0 [ 1386.974348] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 1386.981517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1386.986080] ? lockdep_hardirqs_on+0x415/0x5d0 [ 1386.988645] ? __cpuset_node_allowed+0x136/0x540 [ 1386.993309] ? trace_hardirqs_on+0x67/0x220 [ 1386.997011] fallback_alloc+0x1fd/0x2d0 [ 1387.002008] schedule+0x92/0x1c0 [ 1387.006571] ____cache_alloc_node+0x1be/0x1e0 [ 1387.010608] schedule_timeout+0x4db/0xfc0 [ 1387.015696] kmem_cache_alloc_node+0xe3/0x710 [ 1387.021216] ? usleep_range+0x170/0x170 [ 1387.025788] ? queue_work_on+0xe2/0x200 [ 1387.030535] ? trace_hardirqs_on+0x67/0x220 [ 1387.034831] ? switchdev_deferred_enqueue+0x1ad/0x220 [ 1387.034847] ? queue_work_on+0xe2/0x200 [ 1387.038805] ? __next_timer_interrupt+0x1a0/0x1a0 [ 1387.042159] __alloc_skb+0xd5/0x5f0 [ 1387.046635] ? prepare_to_swait_exclusive+0x120/0x120 [ 1387.050759] ? skb_trim+0x190/0x190 [ 1387.055241] rcu_gp_kthread+0xd5c/0x2190 [ 1387.059197] ? switchdev_port_obj_del_now+0x1e0/0x1e0 [ 1387.063169] ? rcu_blocking_is_gp+0x90/0x90 [ 1387.067453] ? switchdev_deferred_enqueue+0x1b2/0x220 [ 1387.072621] ? trace_hardirqs_on+0x67/0x220 [ 1387.076579] __br_mdb_notify+0x2af/0xe40 [ 1387.081401] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1387.085027] ? __br_mdb_add+0x7b0/0x7b0 [ 1387.090194] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1387.093811] ? br_multicast_group_expired+0xe4/0x410 [ 1387.097844] ? __kthread_parkme+0xfb/0x1b0 [ 1387.103013] ? debug_object_deactivate+0x1e4/0x360 [ 1387.107317] kthread+0x354/0x420 [ 1387.112495] br_mdb_notify+0x20d/0x2d0 [ 1387.116792] ? rcu_blocking_is_gp+0x90/0x90 [ 1387.120833] ? br_mdb_dump+0x1fe0/0x1fe0 [ 1387.125920] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1387.129882] ? lock_acquire+0x16f/0x3f0 [ 1387.135404] ret_from_fork+0x24/0x30 [ 1387.140488] ? kasan_check_write+0x14/0x20 [ 1387.144721] NMI backtrace for cpu 0 [ 1387.149624] ? do_raw_spin_lock+0xc8/0x240 [ 1387.190355] br_multicast_group_expired+0x141/0x410 [ 1387.195378] call_timer_fn+0x18d/0x720 [ 1387.199257] ? br_mdb_free+0x80/0x80 [ 1387.202973] ? process_timeout+0x40/0x40 [ 1387.207023] ? run_timer_softirq+0x644/0x16a0 [ 1387.211512] ? trace_hardirqs_on+0x67/0x220 [ 1387.215828] ? br_mdb_free+0x80/0x80 [ 1387.219529] run_timer_softirq+0x64f/0x16a0 [ 1387.223846] ? add_timer+0xbe0/0xbe0 [ 1387.227550] ? __lock_is_held+0xb6/0x140 [ 1387.231618] __do_softirq+0x25c/0x921 [ 1387.235406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1387.240932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1387.246468] irq_exit+0x180/0x1d0 [ 1387.249913] smp_apic_timer_interrupt+0x13b/0x550 [ 1387.254747] apic_timer_interrupt+0xf/0x20 [ 1387.258965] [ 1387.261192] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1387.265763] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1387.284651] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1387.292348] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1387.299609] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1387.306866] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1387.314122] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1387.321383] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1387.328675] percpu_ref_put_many+0x37/0x190 [ 1387.332989] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1387.338086] mem_cgroup_iter+0x907/0xac0 [ 1387.342140] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1387.346889] ? kasan_check_read+0x11/0x20 [ 1387.351025] ? mem_cgroup_protected+0x44/0x380 [ 1387.355612] ? vmpressure+0x19f/0x350 [ 1387.359419] shrink_node+0x402/0x1450 [ 1387.363235] ? shrink_node_memcg+0x13f0/0x13f0 [ 1387.367813] ? kvm_clock_read+0x18/0x30 [ 1387.371808] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1387.376827] ? ktime_get+0x202/0x2f0 [ 1387.380547] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1387.386084] ? __cpuset_node_allowed+0x136/0x540 [ 1387.390847] do_try_to_free_pages+0x3cb/0x11c0 [ 1387.395438] ? shrink_node+0x1450/0x1450 [ 1387.399500] try_to_free_pages+0x2ee/0x7f0 [ 1387.403731] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1387.408591] __alloc_pages_slowpath+0x990/0x2870 [ 1387.413423] ? warn_alloc+0x110/0x110 [ 1387.417234] ? __lock_is_held+0xb6/0x140 [ 1387.421309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1387.426844] ? should_fail+0x14d/0x85c [ 1387.430737] ? __might_sleep+0x95/0x190 [ 1387.434709] __alloc_pages_nodemask+0x617/0x750 [ 1387.439375] ? kasan_check_read+0x11/0x20 [ 1387.443520] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1387.448526] ? find_get_entry+0x3e1/0xa00 [ 1387.452670] ? find_get_pages_contig+0xed0/0xed0 [ 1387.457417] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1387.462965] alloc_pages_current+0x107/0x210 [ 1387.467364] __page_cache_alloc+0x2bd/0x450 [ 1387.471674] ? kasan_check_read+0x11/0x20 [ 1387.475824] filemap_fault+0xfeb/0x1f00 [ 1387.479793] ? lock_downgrade+0x880/0x880 [ 1387.483939] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1387.488601] ? lock_acquire+0x16f/0x3f0 [ 1387.492569] ? ext4_filemap_fault+0x7b/0xaf [ 1387.496899] ext4_filemap_fault+0x83/0xaf [ 1387.501038] __do_fault+0x111/0x480 [ 1387.504656] __handle_mm_fault+0x2d78/0x3f80 [ 1387.509059] ? copy_page_range+0x2030/0x2030 [ 1387.513471] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1387.518132] handle_mm_fault+0x1b5/0x690 [ 1387.522187] __do_page_fault+0x62a/0xe90 [ 1387.526245] ? vmalloc_fault+0x740/0x740 [ 1387.530295] ? trace_hardirqs_off_caller+0x65/0x220 [ 1387.535310] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1387.540230] ? page_fault+0x8/0x30 [ 1387.543780] do_page_fault+0x71/0x57d [ 1387.547589] ? page_fault+0x8/0x30 [ 1387.551132] page_fault+0x1e/0x30 [ 1387.554582] RIP: 0033:0x45b153 [ 1387.557785] Code: Bad RIP value. [ 1387.561139] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1387.566494] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1387.573752] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1387.581009] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1387.588270] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1387.595552] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1387.602827] warn_alloc_show_mem: 1 callbacks suppressed [ 1387.602836] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1387.602838] Mem-Info: [ 1387.602868] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1387.602868] active_file:12 inactive_file:12 isolated_file:0 [ 1387.602868] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1387.602868] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1387.602868] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1387.602868] free:10883 free_pcp:183 free_cma:0 [ 1387.608204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1387.615397] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1387.617786] Call Trace: [ 1387.650930] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1387.660249] [ 1387.687842] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1387.690438] dump_stack+0x197/0x210 [ 1387.716247] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1387.718406] nmi_cpu_backtrace.cold+0x63/0xa4 [ 1387.744500] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1387.748123] ? lapic_can_unplug_cpu.cold+0x47/0x47 [ 1387.753102] lowmem_reserve[]: 0 0 1 1 1 [ 1387.757598] nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 [ 1387.786369] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1387.791297] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1387.795239] lowmem_reserve[]: 0 0 0 0 0 [ 1387.800509] rcu_dump_cpu_stacks+0x189/0x1d5 [ 1387.826252] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1387.831434] ? wake_up_process+0x10/0x20 [ 1387.835377] lowmem_reserve[]: 0 0 0 0 0 [ 1387.839786] rcu_check_callbacks.cold+0x5e3/0xd90 [ 1387.867617] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1387.871689] ? trace_hardirqs_off+0x62/0x220 [ 1387.875628] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1387.880474] update_process_times+0x32/0x80 [ 1387.892571] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1387.896987] tick_sched_handle+0xa2/0x190 [ 1387.911003] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1387.915332] tick_sched_timer+0x47/0x130 [ 1387.925967] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1387.930110] __hrtimer_run_queues+0x33b/0xdc0 [ 1387.945601] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1387.945614] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1387.949672] ? tick_sched_do_timer+0x1b0/0x1b0 [ 1387.958478] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1387.958486] 269 total pagecache pages [ 1387.962983] ? hrtimer_fixup_activate+0x30/0x30 [ 1387.971538] 0 pages in swap cache [ 1387.980379] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1387.980398] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 1387.984967] Swap cache stats: add 0, delete 0, find 0/0 [ 1387.993544] hrtimer_interrupt+0x314/0x770 [ 1387.997309] Free swap = 0kB [ 1387.997317] Total swap = 0kB [ 1388.001994] smp_apic_timer_interrupt+0x111/0x550 [ 1388.005423] 1965979 pages RAM [ 1388.010445] apic_timer_interrupt+0xf/0x20 [ 1388.015796] 0 pages HighMem/MovableOnly [ 1388.021263] [ 1388.025486] 341726 pages reserved [ 1388.025494] 0 pages cma reserved [ 1388.028523] RIP: 0010:console_unlock+0xf3c/0x10d0 [ 1388.031662] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1388.036356] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 0d fe 9c 07 00 0f 84 b6 00 00 00 e8 7a e6 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 21 7c 4d 00 e9 9b f3 [ 1388.039442] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1388.043656] RSP: 0000:ffff8880aa377860 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 [ 1388.102954] RAX: ffff8880aa36a240 RBX: 0000000000000200 RCX: 1ffff1101546d55c [ 1388.110223] RDX: 0000000000000100 RSI: ffffffff81555dc6 RDI: 0000000000000206 [ 1388.117482] RBP: ffff8880aa3778e8 R08: ffff8880aa36a240 R09: ffff8880aa36aae0 [ 1388.124749] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 1388.132014] R13: ffffffff84627a00 R14: 0000000000000048 R15: ffffffff89655ff0 [ 1388.139289] ? netconsole_netdev_event+0x280/0x280 [ 1388.144217] ? console_unlock+0xf36/0x10d0 [ 1388.148454] vprintk_emit+0x280/0x6d0 [ 1388.152249] vprintk_default+0x28/0x30 [ 1388.156141] vprintk_func+0x7e/0x189 [ 1388.159856] ? ___ratelimit+0x2c8/0x595 [ 1388.163829] printk+0xba/0xed [ 1388.166927] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1388.171676] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1388.176776] ? ___ratelimit+0x60/0x595 [ 1388.180664] ? ndisc_alloc_skb+0x2b6/0x340 [ 1388.184891] ndisc_alloc_skb.cold+0x18/0x1d [ 1388.189207] ndisc_send_rs+0x35f/0x6e0 [ 1388.193093] addrconf_rs_timer+0x30f/0x680 [ 1388.197321] ? ipv6_get_lladdr+0x490/0x490 [ 1388.201565] call_timer_fn+0x18d/0x720 [ 1388.205446] ? ipv6_get_lladdr+0x490/0x490 [ 1388.209672] ? process_timeout+0x40/0x40 [ 1388.213721] ? run_timer_softirq+0x644/0x16a0 [ 1388.218222] ? trace_hardirqs_on+0x67/0x220 [ 1388.222541] ? ipv6_get_lladdr+0x490/0x490 [ 1388.226766] run_timer_softirq+0x64f/0x16a0 [ 1388.231082] ? add_timer+0xbe0/0xbe0 [ 1388.234784] ? kvm_clock_read+0x18/0x30 [ 1388.238780] ? check_preemption_disabled+0x48/0x290 [ 1388.243786] ? sched_clock+0x2e/0x50 [ 1388.247499] __do_softirq+0x25c/0x921 [ 1388.251289] ? preempt_schedule_common+0x4f/0xe0 [ 1388.256044] ? takeover_tasklets+0x7b0/0x7b0 [ 1388.260466] run_ksoftirqd+0x8e/0x110 [ 1388.264265] smpboot_thread_fn+0x6a3/0xa30 [ 1388.268493] ? sort_range+0x30/0x30 [ 1388.272110] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1388.277636] ? __kthread_parkme+0xfb/0x1b0 [ 1388.281865] kthread+0x354/0x420 [ 1388.285233] ? sort_range+0x30/0x30 [ 1388.288855] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1388.294382] ret_from_fork+0x24/0x30 [ 1388.298112] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1388.298396] Sending NMI from CPU 0 to CPUs 1: [ 1388.305731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1388.312345] NMI backtrace for cpu 1 [ 1388.312353] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1388.312361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1388.312366] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 1388.312379] Code: 41 bc f4 ff ff ff e8 83 64 ea ff 48 c7 05 54 29 5e 09 00 00 00 00 e9 96 e9 ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <55> 48 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 78 a9 [ 1388.312384] RSP: 0000:ffff8880ae906e50 EFLAGS: 00000046 [ 1388.312393] RAX: 0000000000000000 RBX: ffffffff87ab7f41 RCX: 0000000000000000 [ 1388.312400] RDX: 0000000000000100 RSI: ffffffff87472b14 RDI: 0000000000000005 [ 1388.312406] RBP: ffff8880ae906f08 R08: ffff8880a4e04280 R09: fffffbfff1589cdd [ 1388.312412] R10: fffffbfff1589cdc R11: ffffffff8ac4e6e0 R12: ffff8880ae906f88 [ 1388.312418] R13: ffffffff87ab7f43 R14: ffff8880ae906ee0 R15: 0000000000000035 [ 1388.312425] FS: 000000c420040490(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 1388.312430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1388.312437] CR2: 000000000045b129 CR3: 000000008e442000 CR4: 00000000001406e0 [ 1388.312443] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1388.312449] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1388.312452] Call Trace: [ 1388.312455] [ 1388.312459] ? format_decode+0x2f4/0xbc0 [ 1388.312463] ? enable_ptr_key_workfn+0x30/0x30 [ 1388.312467] vsnprintf+0x17e/0x19a0 [ 1388.312471] ? pointer+0x970/0x970 [ 1388.312475] ? mark_held_locks+0x100/0x100 [ 1388.312478] sprintf+0xc0/0x100 [ 1388.312482] ? scnprintf+0x140/0x140 [ 1388.312486] ? mark_held_locks+0x100/0x100 [ 1388.312490] ? find_held_lock+0x35/0x130 [ 1388.312494] ? down_trylock+0x4f/0x70 [ 1388.312498] print_prefix+0x386/0x3f0 [ 1388.312502] msg_print_text+0xc9/0x1c0 [ 1388.312506] console_unlock+0x3a5/0x10d0 [ 1388.312509] vprintk_emit+0x280/0x6d0 [ 1388.312513] vprintk_default+0x28/0x30 [ 1388.312517] vprintk_func+0x7e/0x189 [ 1388.312521] printk+0xba/0xed [ 1388.312525] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1388.312529] ? memcpy+0x46/0x50 [ 1388.312533] ? dump_stack_print_info+0xd6/0x120 [ 1388.312538] dump_stack_print_info.cold+0x1b/0x20 [ 1388.312541] dump_stack+0x18e/0x210 [ 1388.312545] warn_alloc.cold+0x7b/0x173 [ 1388.312550] ? zone_watermark_ok_safe+0x260/0x260 [ 1388.312554] ? __cpuset_node_allowed+0x136/0x540 [ 1388.312559] ? __isolate_free_page+0x4c0/0x4c0 [ 1388.312563] ? wake_all_kswapds+0x14d/0x300 [ 1388.312568] __alloc_pages_slowpath+0x2214/0x2870 [ 1388.312572] ? warn_alloc+0x110/0x110 [ 1388.312577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1388.312581] ? should_fail+0x14d/0x85c [ 1388.312585] ? __isolate_free_page+0x4c0/0x4c0 [ 1388.312590] __alloc_pages_nodemask+0x617/0x750 [ 1388.312594] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1388.312598] cache_grow_begin+0x91/0x8c0 [ 1388.312603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1388.312608] ? __cpuset_node_allowed+0x136/0x540 [ 1388.312612] fallback_alloc+0x1fd/0x2d0 [ 1388.312616] ____cache_alloc_node+0x1be/0x1e0 [ 1388.312620] kmem_cache_alloc_node+0xe3/0x710 [ 1388.312624] ? queue_work_on+0xe2/0x200 [ 1388.312629] ? switchdev_deferred_enqueue+0x1ad/0x220 [ 1388.312633] ? queue_work_on+0xe2/0x200 [ 1388.312637] __alloc_skb+0xd5/0x5f0 [ 1388.312641] ? skb_trim+0x190/0x190 [ 1388.312645] ? switchdev_port_obj_del_now+0x1e0/0x1e0 [ 1388.312650] ? switchdev_deferred_enqueue+0x1b2/0x220 [ 1388.312654] __br_mdb_notify+0x2af/0xe40 [ 1388.312658] ? __br_mdb_add+0x7b0/0x7b0 [ 1388.312663] ? br_multicast_group_expired+0xe4/0x410 [ 1388.312668] ? debug_object_deactivate+0x1e4/0x360 [ 1388.312672] br_mdb_notify+0x20d/0x2d0 [ 1388.312676] ? br_mdb_dump+0x1fe0/0x1fe0 [ 1388.312680] ? lock_acquire+0x16f/0x3f0 [ 1388.312684] ? kasan_check_write+0x14/0x20 [ 1388.312688] ? do_raw_spin_lock+0xc8/0x240 [ 1388.312693] br_multicast_group_expired+0x141/0x410 [ 1388.312697] call_timer_fn+0x18d/0x720 [ 1388.312701] ? br_mdb_free+0x80/0x80 [ 1388.312705] ? process_timeout+0x40/0x40 [ 1388.312709] ? run_timer_softirq+0x644/0x16a0 [ 1388.312713] ? trace_hardirqs_on+0x67/0x220 [ 1388.312717] ? br_mdb_free+0x80/0x80 [ 1388.312721] run_timer_softirq+0x64f/0x16a0 [ 1388.312725] ? add_timer+0xbe0/0xbe0 [ 1388.312729] ? __lock_is_held+0xb6/0x140 [ 1388.312733] __do_softirq+0x25c/0x921 [ 1388.312738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1388.312743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1388.312747] irq_exit+0x180/0x1d0 [ 1388.312751] smp_apic_timer_interrupt+0x13b/0x550 [ 1388.312755] apic_timer_interrupt+0xf/0x20 [ 1388.312758] [ 1388.312762] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1388.312776] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1388.312781] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1388.312791] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1388.312798] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1388.312804] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1388.312810] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1388.312816] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1388.312821] percpu_ref_put_many+0x37/0x190 [ 1388.312825] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1388.312830] mem_cgroup_iter+0x907/0xac0 [ 1388.312834] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1388.312838] ? kasan_check_read+0x11/0x20 [ 1388.312843] ? mem_cgroup_protected+0x44/0x380 [ 1388.312847] ? vmpressure+0x19f/0x350 [ 1388.312851] shrink_node+0x402/0x1450 [ 1388.312855] ? shrink_node_memcg+0x13f0/0x13f0 [ 1388.312859] ? kvm_clock_read+0x18/0x30 [ 1388.312864] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1388.312868] ? ktime_get+0x202/0x2f0 [ 1388.312873] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1388.312877] ? __cpuset_node_allowed+0x136/0x540 [ 1388.312882] do_try_to_free_pages+0x3cb/0x11c0 [ 1388.312886] ? shrink_node+0x1450/0x1450 [ 1388.312890] try_to_free_pages+0x2ee/0x7f0 [ 1388.312895] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1388.312899] __alloc_pages_slowpath+0x990/0x2870 [ 1388.312903] ? warn_alloc+0x110/0x110 [ 1388.312907] ? __lock_is_held+0xb6/0x140 [ 1388.312912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1388.312916] ? should_fail+0x14d/0x85c [ 1388.312920] ? __might_sleep+0x95/0x190 [ 1388.312924] __alloc_pages_nodemask+0x617/0x750 [ 1388.312928] ? kasan_check_read+0x11/0x20 [ 1388.312933] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1388.312937] ? find_get_entry+0x3e1/0xa00 [ 1388.312942] ? find_get_pages_contig+0xed0/0xed0 [ 1388.312947] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1388.312951] alloc_pages_current+0x107/0x210 [ 1388.312955] __page_cache_alloc+0x2bd/0x450 [ 1388.312960] ? kasan_check_read+0x11/0x20 [ 1388.312964] filemap_fault+0xfeb/0x1f00 [ 1388.312968] ? lock_downgrade+0x880/0x880 [ 1388.312972] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1388.312976] ? lock_acquire+0x16f/0x3f0 [ 1388.312980] ? ext4_filemap_fault+0x7b/0xaf [ 1388.312985] ext4_filemap_fault+0x83/0xaf [ 1388.312989] __do_fault+0x111/0x480 [ 1388.312993] __handle_mm_fault+0x2d78/0x3f80 [ 1388.312997] ? copy_page_range+0x2030/0x2030 [ 1388.313002] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1388.313006] handle_mm_fault+0x1b5/0x690 [ 1388.313010] __do_page_fault+0x62a/0xe90 [ 1388.313014] ? vmalloc_fault+0x740/0x740 [ 1388.313019] ? trace_hardirqs_off_caller+0x65/0x220 [ 1388.313023] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1388.313027] ? page_fault+0x8/0x30 [ 1388.313031] do_page_fault+0x71/0x57d [ 1388.313034] ? page_fault+0x8/0x30 [ 1388.313038] page_fault+0x1e/0x30 [ 1388.313042] RIP: 0033:0x45b153 [ 1388.313045] Code: Bad RIP value. [ 1388.313050] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1388.313058] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1388.313065] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1388.313071] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1388.313077] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1388.313083] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1388.313216] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1388.321164] Call Trace: [ 1388.324774] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1388.332117] [ 1389.120643] dump_stack+0x197/0x210 [ 1389.124323] warn_alloc.cold+0x7b/0x173 [ 1389.128563] ? zone_watermark_ok_safe+0x260/0x260 [ 1389.133450] ? __cpuset_node_allowed+0x136/0x540 [ 1389.138215] ? __isolate_free_page+0x4c0/0x4c0 [ 1389.142801] ? wake_all_kswapds+0x14d/0x300 [ 1389.147168] __alloc_pages_slowpath+0x2214/0x2870 [ 1389.152068] ? warn_alloc+0x110/0x110 [ 1389.155872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1389.161410] ? should_fail+0x14d/0x85c [ 1389.165300] ? __isolate_free_page+0x4c0/0x4c0 [ 1389.169907] __alloc_pages_nodemask+0x617/0x750 [ 1389.174584] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1389.179646] cache_grow_begin+0x91/0x8c0 [ 1389.183708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1389.189245] ? __cpuset_node_allowed+0x136/0x540 [ 1389.194040] fallback_alloc+0x1fd/0x2d0 [ 1389.198024] ____cache_alloc_node+0x1be/0x1e0 [ 1389.202523] kmem_cache_alloc_node+0xe3/0x710 [ 1389.207016] ? queue_work_on+0xe2/0x200 [ 1389.210994] ? switchdev_deferred_enqueue+0x1ad/0x220 [ 1389.216188] ? queue_work_on+0xe2/0x200 [ 1389.220170] __alloc_skb+0xd5/0x5f0 [ 1389.223841] ? skb_trim+0x190/0x190 [ 1389.227506] ? switchdev_port_obj_del_now+0x1e0/0x1e0 [ 1389.232712] ? switchdev_deferred_enqueue+0x1b2/0x220 [ 1389.237953] __br_mdb_notify+0x2af/0xe40 [ 1389.242024] ? __br_mdb_add+0x7b0/0x7b0 [ 1389.246078] ? br_multicast_group_expired+0xe4/0x410 [ 1389.251201] ? debug_object_deactivate+0x1e4/0x360 [ 1389.256184] br_mdb_notify+0x20d/0x2d0 [ 1389.260078] ? br_mdb_dump+0x1fe0/0x1fe0 [ 1389.264139] ? lock_acquire+0x16f/0x3f0 [ 1389.268121] ? kasan_check_write+0x14/0x20 [ 1389.272357] ? do_raw_spin_lock+0xc8/0x240 [ 1389.276598] br_multicast_group_expired+0x141/0x410 [ 1389.281766] call_timer_fn+0x18d/0x720 [ 1389.285657] ? br_mdb_free+0x80/0x80 [ 1389.289427] ? process_timeout+0x40/0x40 [ 1389.293489] ? run_timer_softirq+0x644/0x16a0 [ 1389.298094] ? trace_hardirqs_on+0x67/0x220 [ 1389.302441] ? br_mdb_free+0x80/0x80 [ 1389.306178] run_timer_softirq+0x64f/0x16a0 [ 1389.310512] ? add_timer+0xbe0/0xbe0 [ 1389.314234] ? __lock_is_held+0xb6/0x140 [ 1389.318309] __do_softirq+0x25c/0x921 [ 1389.322124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1389.327674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1389.333237] irq_exit+0x180/0x1d0 [ 1389.336700] smp_apic_timer_interrupt+0x13b/0x550 [ 1389.341571] apic_timer_interrupt+0xf/0x20 [ 1389.345856] [ 1389.348104] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1389.352699] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1389.371622] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1389.379340] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1389.386896] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1389.394172] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1389.401459] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1389.408729] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1389.416048] percpu_ref_put_many+0x37/0x190 [ 1389.420519] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1389.425639] mem_cgroup_iter+0x907/0xac0 [ 1389.429704] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1389.434623] ? kasan_check_read+0x11/0x20 [ 1389.438777] ? mem_cgroup_protected+0x44/0x380 [ 1389.443363] ? vmpressure+0x19f/0x350 [ 1389.447172] shrink_node+0x402/0x1450 [ 1389.451157] ? shrink_node_memcg+0x13f0/0x13f0 [ 1389.455747] ? kvm_clock_read+0x18/0x30 [ 1389.459725] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1389.464900] ? ktime_get+0x202/0x2f0 [ 1389.468625] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1389.474197] ? __cpuset_node_allowed+0x136/0x540 [ 1389.478963] do_try_to_free_pages+0x3cb/0x11c0 [ 1389.483572] ? shrink_node+0x1450/0x1450 [ 1389.487817] try_to_free_pages+0x2ee/0x7f0 [ 1389.492064] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1389.496934] __alloc_pages_slowpath+0x990/0x2870 [ 1389.501716] ? warn_alloc+0x110/0x110 [ 1389.505579] ? __lock_is_held+0xb6/0x140 [ 1389.509683] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1389.515234] ? should_fail+0x14d/0x85c [ 1389.519255] ? __might_sleep+0x95/0x190 [ 1389.523254] __alloc_pages_nodemask+0x617/0x750 [ 1389.527936] ? kasan_check_read+0x11/0x20 [ 1389.532270] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1389.537328] ? find_get_entry+0x3e1/0xa00 [ 1389.541499] ? find_get_pages_contig+0xed0/0xed0 [ 1389.546275] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1389.551831] alloc_pages_current+0x107/0x210 [ 1389.556492] __page_cache_alloc+0x2bd/0x450 [ 1389.560823] ? kasan_check_read+0x11/0x20 [ 1389.564980] filemap_fault+0xfeb/0x1f00 [ 1389.568974] ? lock_downgrade+0x880/0x880 [ 1389.573182] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1389.577862] ? lock_acquire+0x16f/0x3f0 [ 1389.581855] ? ext4_filemap_fault+0x7b/0xaf [ 1389.586195] ext4_filemap_fault+0x83/0xaf [ 1389.590364] __do_fault+0x111/0x480 [ 1389.594183] __handle_mm_fault+0x2d78/0x3f80 [ 1389.598604] ? copy_page_range+0x2030/0x2030 [ 1389.603032] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1389.607720] handle_mm_fault+0x1b5/0x690 [ 1389.611984] __do_page_fault+0x62a/0xe90 [ 1389.616102] ? vmalloc_fault+0x740/0x740 [ 1389.620182] ? trace_hardirqs_off_caller+0x65/0x220 [ 1389.625202] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1389.630166] ? page_fault+0x8/0x30 [ 1389.633879] do_page_fault+0x71/0x57d [ 1389.637756] ? page_fault+0x8/0x30 [ 1389.641311] page_fault+0x1e/0x30 [ 1389.644765] RIP: 0033:0x45b153 [ 1389.647975] Code: Bad RIP value. [ 1389.651504] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1389.656878] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1389.664189] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1389.671505] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1389.678779] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1389.686045] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1389.693375] Mem-Info: [ 1389.693385] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1389.693396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1389.695811] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1389.695811] active_file:12 inactive_file:12 isolated_file:0 [ 1389.695811] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1389.695811] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1389.695811] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1389.695811] free:10883 free_pcp:183 free_cma:0 [ 1389.703038] Call Trace: [ 1389.712425] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1389.745608] dump_stack+0x197/0x210 [ 1389.748193] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1389.775679] warn_alloc.cold+0x7b/0x173 [ 1389.779289] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1389.805148] ? zone_watermark_ok_safe+0x260/0x260 [ 1389.809104] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1389.835222] ? __cpuset_node_allowed+0x136/0x540 [ 1389.840081] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1389.845259] ? __isolate_free_page+0x4c0/0x4c0 [ 1389.849989] lowmem_reserve[]: 0 0 1 1 1 [ 1389.878811] ? wake_all_kswapds+0x14d/0x300 [ 1389.883381] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1389.887363] __alloc_pages_slowpath+0x2214/0x2870 [ 1389.891704] lowmem_reserve[]: 0 0 0 0 0 [ 1389.917501] ? warn_alloc+0x110/0x110 [ 1389.922311] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1389.926287] ? __lock_acquire+0x6ee/0x49c0 [ 1389.930069] lowmem_reserve[]: 0 0 0 0 0 [ 1389.957924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1389.962138] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1389.966111] ? should_fail+0x14d/0x85c [ 1389.971671] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1389.983821] ? __isolate_free_page+0x4c0/0x4c0 [ 1389.987740] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1390.001807] __alloc_pages_nodemask+0x617/0x750 [ 1390.006363] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1390.017032] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1390.021823] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1390.037372] ? find_held_lock+0x35/0x130 [ 1390.042370] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1390.042384] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1390.051570] cache_grow_begin+0x91/0x8c0 [ 1390.055621] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1390.064194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1390.073045] 269 total pagecache pages [ 1390.077157] ? __cpuset_node_allowed+0x136/0x540 [ 1390.085722] 0 pages in swap cache [ 1390.091255] fallback_alloc+0x1fd/0x2d0 [ 1390.095042] Swap cache stats: add 0, delete 0, find 0/0 [ 1390.099799] ____cache_alloc_node+0x1be/0x1e0 [ 1390.103238] Free swap = 0kB [ 1390.107212] kmem_cache_alloc_node+0xe3/0x710 [ 1390.112555] Total swap = 0kB [ 1390.112569] 1965979 pages RAM [ 1390.117065] ? mark_held_locks+0x100/0x100 [ 1390.120057] 0 pages HighMem/MovableOnly [ 1390.120069] 341726 pages reserved [ 1390.124630] __alloc_skb+0xd5/0x5f0 [ 1390.127625] 0 pages cma reserved [ 1390.130730] ? skb_trim+0x190/0x190 [ 1390.135181] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.611 msecs [ 1390.138917] ? __local_bh_enable_ip+0x15a/0x270 [ 1390.138936] ? lock_downgrade+0x880/0x880 [ 1390.142564] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1390.146010] ndisc_alloc_skb+0x13c/0x340 [ 1390.149362] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1390.152995] ndisc_send_rs+0x7c/0x6e0 [ 1390.193375] addrconf_rs_timer+0x30f/0x680 [ 1390.197674] ? ipv6_get_lladdr+0x490/0x490 [ 1390.201925] call_timer_fn+0x18d/0x720 [ 1390.205817] ? ipv6_get_lladdr+0x490/0x490 [ 1390.210055] ? process_timeout+0x40/0x40 [ 1390.214115] ? run_timer_softirq+0x644/0x16a0 [ 1390.218621] ? trace_hardirqs_on+0x67/0x220 [ 1390.222949] ? ipv6_get_lladdr+0x490/0x490 [ 1390.227188] run_timer_softirq+0x64f/0x16a0 [ 1390.231518] ? add_timer+0xbe0/0xbe0 [ 1390.235239] ? kvm_clock_read+0x18/0x30 [ 1390.239215] ? check_preemption_disabled+0x48/0x290 [ 1390.244233] ? sched_clock+0x2e/0x50 [ 1390.247977] __do_softirq+0x25c/0x921 [ 1390.251782] ? preempt_schedule_common+0x4f/0xe0 [ 1390.256549] ? takeover_tasklets+0x7b0/0x7b0 [ 1390.260962] run_ksoftirqd+0x8e/0x110 [ 1390.264763] smpboot_thread_fn+0x6a3/0xa30 [ 1390.269044] ? sort_range+0x30/0x30 [ 1390.272680] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1390.278220] ? __kthread_parkme+0xfb/0x1b0 [ 1390.282465] kthread+0x354/0x420 [ 1390.285831] ? sort_range+0x30/0x30 [ 1390.289461] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1390.295022] ret_from_fork+0x24/0x30 [ 1390.298755] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1390.298822] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1390.306130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1390.306134] Call Trace: [ 1390.306140] [ 1390.306157] dump_stack+0x197/0x210 [ 1390.306175] warn_alloc.cold+0x7b/0x173 [ 1390.312697] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1390.322014] ? zone_watermark_ok_safe+0x260/0x260 [ 1390.324646] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1390.326799] ? __cpuset_node_allowed+0x136/0x540 [ 1390.359150] ? __isolate_free_page+0x4c0/0x4c0 [ 1390.364084] ? wake_all_kswapds+0x14d/0x300 [ 1390.368418] __alloc_pages_slowpath+0x2214/0x2870 [ 1390.373288] ? warn_alloc+0x110/0x110 [ 1390.377096] ? __lock_acquire+0x6ee/0x49c0 [ 1390.381332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1390.386870] ? should_fail+0x14d/0x85c [ 1390.390766] ? __isolate_free_page+0x4c0/0x4c0 [ 1390.395358] __alloc_pages_nodemask+0x617/0x750 [ 1390.400034] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1390.405074] ? find_held_lock+0x35/0x130 [ 1390.409148] cache_grow_begin+0x91/0x8c0 [ 1390.413240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1390.418785] ? __cpuset_node_allowed+0x136/0x540 [ 1390.423555] fallback_alloc+0x1fd/0x2d0 [ 1390.427542] ____cache_alloc_node+0x1be/0x1e0 [ 1390.432044] kmem_cache_alloc_node+0xe3/0x710 [ 1390.436543] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1390.440823] __alloc_skb+0xd5/0x5f0 [ 1390.444447] ? skb_trim+0x190/0x190 [ 1390.448070] ? kasan_check_read+0x11/0x20 [ 1390.452272] ndisc_alloc_skb+0x13c/0x340 [ 1390.456337] ndisc_send_rs+0x35f/0x6e0 [ 1390.460257] addrconf_rs_timer+0x30f/0x680 [ 1390.464626] ? ipv6_get_lladdr+0x490/0x490 [ 1390.468873] call_timer_fn+0x18d/0x720 [ 1390.472768] ? ipv6_get_lladdr+0x490/0x490 [ 1390.477044] ? process_timeout+0x40/0x40 [ 1390.481104] ? run_timer_softirq+0x644/0x16a0 [ 1390.485620] ? trace_hardirqs_on+0x67/0x220 [ 1390.489948] ? ipv6_get_lladdr+0x490/0x490 [ 1390.494184] run_timer_softirq+0x64f/0x16a0 [ 1390.498513] ? add_timer+0xbe0/0xbe0 [ 1390.502226] ? __lock_is_held+0xb6/0x140 [ 1390.506299] __do_softirq+0x25c/0x921 [ 1390.510101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1390.515640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1390.521188] irq_exit+0x180/0x1d0 [ 1390.524642] smp_apic_timer_interrupt+0x13b/0x550 [ 1390.529525] apic_timer_interrupt+0xf/0x20 [ 1390.533795] [ 1390.536382] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1390.540969] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1390.559913] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1390.567766] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1390.575044] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1390.582458] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1390.589733] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1390.597013] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1390.604421] percpu_ref_put_many+0x37/0x190 [ 1390.608904] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1390.614025] mem_cgroup_iter+0x907/0xac0 [ 1390.618097] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1390.622991] ? kasan_check_read+0x11/0x20 [ 1390.627151] ? mem_cgroup_protected+0x44/0x380 [ 1390.631741] ? vmpressure+0x19f/0x350 [ 1390.635559] shrink_node+0x402/0x1450 [ 1390.639379] ? shrink_node_memcg+0x13f0/0x13f0 [ 1390.643970] ? kvm_clock_read+0x18/0x30 [ 1390.647951] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1390.652972] ? ktime_get+0x202/0x2f0 [ 1390.656733] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1390.662268] ? __cpuset_node_allowed+0x136/0x540 [ 1390.667028] do_try_to_free_pages+0x3cb/0x11c0 [ 1390.671669] ? shrink_node+0x1450/0x1450 [ 1390.675742] try_to_free_pages+0x2ee/0x7f0 [ 1390.679978] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1390.684839] __alloc_pages_slowpath+0x990/0x2870 [ 1390.689611] ? warn_alloc+0x110/0x110 [ 1390.693415] ? __lock_is_held+0xb6/0x140 [ 1390.697480] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1390.703023] ? should_fail+0x14d/0x85c [ 1390.706922] ? __might_sleep+0x95/0x190 [ 1390.710905] __alloc_pages_nodemask+0x617/0x750 [ 1390.715572] ? kasan_check_read+0x11/0x20 [ 1390.719724] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1390.724754] ? find_get_entry+0x3e1/0xa00 [ 1390.728908] ? find_get_pages_contig+0xed0/0xed0 [ 1390.733668] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1390.739211] alloc_pages_current+0x107/0x210 [ 1390.743624] __page_cache_alloc+0x2bd/0x450 [ 1390.747944] ? kasan_check_read+0x11/0x20 [ 1390.752098] filemap_fault+0xfeb/0x1f00 [ 1390.756077] ? lock_downgrade+0x880/0x880 [ 1390.760231] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1390.764909] ? lock_acquire+0x16f/0x3f0 [ 1390.768882] ? ext4_filemap_fault+0x7b/0xaf [ 1390.773216] ext4_filemap_fault+0x83/0xaf [ 1390.777361] __do_fault+0x111/0x480 [ 1390.780987] __handle_mm_fault+0x2d78/0x3f80 [ 1390.785398] ? copy_page_range+0x2030/0x2030 [ 1390.789840] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1390.794516] handle_mm_fault+0x1b5/0x690 [ 1390.799193] __do_page_fault+0x62a/0xe90 [ 1390.803302] ? vmalloc_fault+0x740/0x740 [ 1390.807362] ? trace_hardirqs_off_caller+0x65/0x220 [ 1390.812375] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1390.817304] ? page_fault+0x8/0x30 [ 1390.820845] do_page_fault+0x71/0x57d [ 1390.824654] ? page_fault+0x8/0x30 [ 1390.828191] page_fault+0x1e/0x30 [ 1390.831646] RIP: 0033:0x45b153 [ 1390.834850] Code: Bad RIP value. [ 1390.838211] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1390.843570] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1390.850842] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1390.858158] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1390.865427] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1390.872700] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1390.879985] warn_alloc_show_mem: 1 callbacks suppressed [ 1390.879995] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1390.879997] Mem-Info: [ 1390.880026] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1390.880026] active_file:12 inactive_file:12 isolated_file:0 [ 1390.880026] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1390.880026] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1390.880026] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1390.880026] free:10883 free_pcp:183 free_cma:0 [ 1390.885369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1390.885376] Call Trace: [ 1390.892577] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1390.895040] dump_stack+0x197/0x210 [ 1390.928287] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1390.937647] warn_alloc.cold+0x7b/0x173 [ 1390.940335] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1390.967949] ? zone_watermark_ok_safe+0x260/0x260 [ 1390.971560] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1390.997419] ? __cpuset_node_allowed+0x136/0x540 [ 1391.001375] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1391.027589] ? __isolate_free_page+0x4c0/0x4c0 [ 1391.032442] lowmem_reserve[]: 0 0 1 1 1 [ 1391.037470] ? wake_all_kswapds+0x14d/0x300 [ 1391.042208] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1391.071058] __alloc_pages_slowpath+0x2214/0x2870 [ 1391.075661] lowmem_reserve[]: 0 0 0 0 0 [ 1391.079661] ? warn_alloc+0x110/0x110 [ 1391.083949] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1391.109847] ? __lock_acquire+0x6ee/0x49c0 [ 1391.114667] lowmem_reserve[]: 0 0 0 0 0 [ 1391.118656] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1391.122566] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1391.150433] ? should_fail+0x14d/0x85c [ 1391.154661] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1391.158643] ? __isolate_free_page+0x4c0/0x4c0 [ 1391.164160] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1391.176311] __alloc_pages_nodemask+0x617/0x750 [ 1391.180175] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1391.194226] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1391.198792] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1391.209448] ? find_held_lock+0x35/0x130 [ 1391.214110] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1391.229660] cache_grow_begin+0x91/0x8c0 [ 1391.234694] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1391.243532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1391.247579] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1391.256172] ? __cpuset_node_allowed+0x136/0x540 [ 1391.260285] 269 total pagecache pages [ 1391.269125] fallback_alloc+0x1fd/0x2d0 [ 1391.274799] 0 pages in swap cache [ 1391.283405] ____cache_alloc_node+0x1be/0x1e0 [ 1391.288142] Swap cache stats: add 0, delete 0, find 0/0 [ 1391.288151] Free swap = 0kB [ 1391.291958] kmem_cache_alloc_node+0xe3/0x710 [ 1391.295916] Total swap = 0kB [ 1391.299372] ? mark_held_locks+0x100/0x100 [ 1391.303909] 1965979 pages RAM [ 1391.309319] __alloc_skb+0xd5/0x5f0 [ 1391.312356] 0 pages HighMem/MovableOnly [ 1391.312364] 341726 pages reserved [ 1391.316857] ? skb_trim+0x190/0x190 [ 1391.319855] 0 pages cma reserved [ 1391.324088] ? __local_bh_enable_ip+0x15a/0x270 [ 1391.327236] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1391.330820] ? lock_downgrade+0x880/0x880 [ 1391.334857] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1391.338234] ndisc_alloc_skb+0x13c/0x340 [ 1391.341840] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1391.345221] ndisc_send_rs+0x7c/0x6e0 [ 1391.383453] addrconf_rs_timer+0x30f/0x680 [ 1391.387695] ? ipv6_get_lladdr+0x490/0x490 [ 1391.391942] call_timer_fn+0x18d/0x720 [ 1391.395846] ? ipv6_get_lladdr+0x490/0x490 [ 1391.400088] ? process_timeout+0x40/0x40 [ 1391.404155] ? run_timer_softirq+0x644/0x16a0 [ 1391.408707] ? trace_hardirqs_on+0x67/0x220 [ 1391.413050] ? ipv6_get_lladdr+0x490/0x490 [ 1391.417294] run_timer_softirq+0x64f/0x16a0 [ 1391.421627] ? add_timer+0xbe0/0xbe0 [ 1391.425349] ? kvm_clock_read+0x18/0x30 [ 1391.429329] ? check_preemption_disabled+0x48/0x290 [ 1391.434352] ? sched_clock+0x2e/0x50 [ 1391.438076] __do_softirq+0x25c/0x921 [ 1391.441878] ? preempt_schedule_common+0x4f/0xe0 [ 1391.446644] ? takeover_tasklets+0x7b0/0x7b0 [ 1391.451102] run_ksoftirqd+0x8e/0x110 [ 1391.454906] smpboot_thread_fn+0x6a3/0xa30 [ 1391.459147] ? sort_range+0x30/0x30 [ 1391.462775] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1391.468354] ? __kthread_parkme+0xfb/0x1b0 [ 1391.472593] kthread+0x354/0x420 [ 1391.475961] ? sort_range+0x30/0x30 [ 1391.479585] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1391.485241] ret_from_fork+0x24/0x30 [ 1391.488969] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1391.489043] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1391.496345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1391.496349] Call Trace: [ 1391.496355] [ 1391.496372] dump_stack+0x197/0x210 [ 1391.496394] warn_alloc.cold+0x7b/0x173 [ 1391.502928] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1391.512276] ? zone_watermark_ok_safe+0x260/0x260 [ 1391.514841] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1391.516995] ? __cpuset_node_allowed+0x136/0x540 [ 1391.549290] ? __isolate_free_page+0x4c0/0x4c0 [ 1391.553912] ? wake_all_kswapds+0x14d/0x300 [ 1391.558243] __alloc_pages_slowpath+0x2214/0x2870 [ 1391.563118] ? warn_alloc+0x110/0x110 [ 1391.566927] ? __lock_acquire+0x6ee/0x49c0 [ 1391.571164] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1391.576729] ? should_fail+0x14d/0x85c [ 1391.580664] ? __isolate_free_page+0x4c0/0x4c0 [ 1391.585275] __alloc_pages_nodemask+0x617/0x750 [ 1391.589957] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1391.595041] ? find_held_lock+0x35/0x130 [ 1391.599111] cache_grow_begin+0x91/0x8c0 [ 1391.603175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1391.608713] ? __cpuset_node_allowed+0x136/0x540 [ 1391.613482] fallback_alloc+0x1fd/0x2d0 [ 1391.617459] ____cache_alloc_node+0x1be/0x1e0 [ 1391.621958] kmem_cache_alloc_node+0xe3/0x710 [ 1391.626454] ? mark_held_locks+0x100/0x100 [ 1391.630697] __alloc_skb+0xd5/0x5f0 [ 1391.634327] ? skb_trim+0x190/0x190 [ 1391.637957] ? __local_bh_enable_ip+0x15a/0x270 [ 1391.642638] ? lock_downgrade+0x880/0x880 [ 1391.646789] ndisc_alloc_skb+0x13c/0x340 [ 1391.650858] ndisc_send_rs+0x7c/0x6e0 [ 1391.654663] addrconf_rs_timer+0x30f/0x680 [ 1391.658905] ? ipv6_get_lladdr+0x490/0x490 [ 1391.663152] call_timer_fn+0x18d/0x720 [ 1391.667039] ? ipv6_get_lladdr+0x490/0x490 [ 1391.671276] ? process_timeout+0x40/0x40 [ 1391.675337] ? run_timer_softirq+0x644/0x16a0 [ 1391.679891] ? trace_hardirqs_on+0x67/0x220 [ 1391.684218] ? ipv6_get_lladdr+0x490/0x490 [ 1391.688601] run_timer_softirq+0x64f/0x16a0 [ 1391.692947] ? add_timer+0xbe0/0xbe0 [ 1391.696675] ? __lock_is_held+0xb6/0x140 [ 1391.700753] __do_softirq+0x25c/0x921 [ 1391.704575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1391.710118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1391.715673] irq_exit+0x180/0x1d0 [ 1391.719136] smp_apic_timer_interrupt+0x13b/0x550 [ 1391.723988] apic_timer_interrupt+0xf/0x20 [ 1391.728226] [ 1391.730466] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1391.735055] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1391.753957] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1391.761666] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1391.768931] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1391.776203] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1391.783474] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1391.790747] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1391.798094] percpu_ref_put_many+0x37/0x190 [ 1391.802416] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1391.807523] mem_cgroup_iter+0x907/0xac0 [ 1391.811588] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1391.816345] ? kasan_check_read+0x11/0x20 [ 1391.820494] ? mem_cgroup_protected+0x44/0x380 [ 1391.825074] ? vmpressure+0x19f/0x350 [ 1391.828883] shrink_node+0x402/0x1450 [ 1391.832699] ? shrink_node_memcg+0x13f0/0x13f0 [ 1391.837282] ? kvm_clock_read+0x18/0x30 [ 1391.841256] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1391.846272] ? ktime_get+0x202/0x2f0 [ 1391.849988] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1391.855571] ? __cpuset_node_allowed+0x136/0x540 [ 1391.860330] do_try_to_free_pages+0x3cb/0x11c0 [ 1391.864925] ? shrink_node+0x1450/0x1450 [ 1391.868994] try_to_free_pages+0x2ee/0x7f0 [ 1391.873237] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1391.878099] __alloc_pages_slowpath+0x990/0x2870 [ 1391.882874] ? warn_alloc+0x110/0x110 [ 1391.886676] ? __lock_is_held+0xb6/0x140 [ 1391.890777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1391.896315] ? should_fail+0x14d/0x85c [ 1391.900209] ? __might_sleep+0x95/0x190 [ 1391.904219] __alloc_pages_nodemask+0x617/0x750 [ 1391.908886] ? kasan_check_read+0x11/0x20 [ 1391.913040] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1391.918052] ? find_get_entry+0x3e1/0xa00 [ 1391.922203] ? find_get_pages_contig+0xed0/0xed0 [ 1391.926966] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1391.932550] alloc_pages_current+0x107/0x210 [ 1391.936960] __page_cache_alloc+0x2bd/0x450 [ 1391.941284] ? kasan_check_read+0x11/0x20 [ 1391.945432] filemap_fault+0xfeb/0x1f00 [ 1391.949414] ? lock_downgrade+0x880/0x880 [ 1391.953581] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1391.958295] ? lock_acquire+0x16f/0x3f0 [ 1391.962269] ? ext4_filemap_fault+0x7b/0xaf [ 1391.966598] ext4_filemap_fault+0x83/0xaf [ 1391.970746] __do_fault+0x111/0x480 [ 1391.974376] __handle_mm_fault+0x2d78/0x3f80 [ 1391.978786] ? copy_page_range+0x2030/0x2030 [ 1391.983207] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1391.987884] handle_mm_fault+0x1b5/0x690 [ 1391.991957] __do_page_fault+0x62a/0xe90 [ 1391.996023] ? vmalloc_fault+0x740/0x740 [ 1392.000092] ? trace_hardirqs_off_caller+0x65/0x220 [ 1392.005111] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1392.010212] ? page_fault+0x8/0x30 [ 1392.014006] do_page_fault+0x71/0x57d [ 1392.017813] ? page_fault+0x8/0x30 [ 1392.021357] page_fault+0x1e/0x30 [ 1392.024824] RIP: 0033:0x45b153 [ 1392.028035] Code: Bad RIP value. [ 1392.031403] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1392.036774] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1392.044054] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1392.051369] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1392.058639] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1392.065906] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1392.073194] warn_alloc_show_mem: 1 callbacks suppressed [ 1392.073203] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1392.073205] Mem-Info: [ 1392.073233] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1392.073233] active_file:12 inactive_file:12 isolated_file:0 [ 1392.073233] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1392.073233] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1392.073233] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1392.073233] free:10883 free_pcp:183 free_cma:0 [ 1392.078584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1392.085831] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1392.088235] Call Trace: [ 1392.121421] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1392.130770] dump_stack+0x197/0x210 [ 1392.158246] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1392.160839] warn_alloc.cold+0x7b/0x173 [ 1392.187005] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1392.190665] ? zone_watermark_ok_safe+0x260/0x260 [ 1392.217128] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1392.221118] ? __cpuset_node_allowed+0x136/0x540 [ 1392.226105] lowmem_reserve[]: 0 0 1 1 1 [ 1392.230955] ? __isolate_free_page+0x4c0/0x4c0 [ 1392.259777] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1392.264588] ? wake_all_kswapds+0x14d/0x300 [ 1392.268537] lowmem_reserve[]: 0 0 0 0 0 [ 1392.273134] __alloc_pages_slowpath+0x2214/0x2870 [ 1392.298918] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1392.303311] ? warn_alloc+0x110/0x110 [ 1392.307246] lowmem_reserve[]: 0 0 0 0 0 [ 1392.312090] ? __lock_acquire+0x6ee/0x49c0 [ 1392.339918] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1392.343739] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1392.347696] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1392.351934] ? should_fail+0x14d/0x85c [ 1392.364549] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1392.370104] ? __isolate_free_page+0x4c0/0x4c0 [ 1392.384124] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1392.388026] __alloc_pages_nodemask+0x617/0x750 [ 1392.398684] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1392.403282] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1392.418784] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1392.423454] ? find_held_lock+0x35/0x130 [ 1392.432272] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1392.437287] cache_grow_begin+0x91/0x8c0 [ 1392.445846] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1392.449947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1392.458762] 269 total pagecache pages [ 1392.462853] ? __cpuset_node_allowed+0x136/0x540 [ 1392.471415] 0 pages in swap cache [ 1392.476948] fallback_alloc+0x1fd/0x2d0 [ 1392.480767] Swap cache stats: add 0, delete 0, find 0/0 [ 1392.485528] ____cache_alloc_node+0x1be/0x1e0 [ 1392.489088] Free swap = 0kB [ 1392.493063] kmem_cache_alloc_node+0xe3/0x710 [ 1392.498574] Total swap = 0kB [ 1392.498583] 1965979 pages RAM [ 1392.503130] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1392.506129] 0 pages HighMem/MovableOnly [ 1392.506136] 341726 pages reserved [ 1392.510636] __alloc_skb+0xd5/0x5f0 [ 1392.513627] 0 pages cma reserved [ 1392.513694] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1392.516789] ? skb_trim+0x190/0x190 [ 1392.516802] ? kasan_check_read+0x11/0x20 [ 1392.516826] ndisc_alloc_skb+0x13c/0x340 [ 1392.521092] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1392.525020] ndisc_send_rs+0x35f/0x6e0 [ 1392.528455] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1392.532086] addrconf_rs_timer+0x30f/0x680 [ 1392.576854] ? ipv6_get_lladdr+0x490/0x490 [ 1392.581232] call_timer_fn+0x18d/0x720 [ 1392.585124] ? ipv6_get_lladdr+0x490/0x490 [ 1392.589366] ? process_timeout+0x40/0x40 [ 1392.593431] ? run_timer_softirq+0x644/0x16a0 [ 1392.597935] ? trace_hardirqs_on+0x67/0x220 [ 1392.602261] ? ipv6_get_lladdr+0x490/0x490 [ 1392.606499] run_timer_softirq+0x64f/0x16a0 [ 1392.610868] ? add_timer+0xbe0/0xbe0 [ 1392.614582] ? kvm_clock_read+0x18/0x30 [ 1392.618646] ? check_preemption_disabled+0x48/0x290 [ 1392.623701] ? sched_clock+0x2e/0x50 [ 1392.627425] __do_softirq+0x25c/0x921 [ 1392.631227] ? preempt_schedule_common+0x4f/0xe0 [ 1392.635992] ? takeover_tasklets+0x7b0/0x7b0 [ 1392.640419] run_ksoftirqd+0x8e/0x110 [ 1392.644229] smpboot_thread_fn+0x6a3/0xa30 [ 1392.648478] ? sort_range+0x30/0x30 [ 1392.652112] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1392.657661] ? __kthread_parkme+0xfb/0x1b0 [ 1392.661909] kthread+0x354/0x420 [ 1392.665276] ? sort_range+0x30/0x30 [ 1392.668908] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1392.674498] ret_from_fork+0x24/0x30 [ 1392.678232] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1392.678300] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1392.685659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1392.685664] Call Trace: [ 1392.685670] [ 1392.685687] dump_stack+0x197/0x210 [ 1392.685705] warn_alloc.cold+0x7b/0x173 [ 1392.692235] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1392.701545] ? zone_watermark_ok_safe+0x260/0x260 [ 1392.704109] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1392.706258] ? __cpuset_node_allowed+0x136/0x540 [ 1392.738549] ? __isolate_free_page+0x4c0/0x4c0 [ 1392.743138] ? wake_all_kswapds+0x14d/0x300 [ 1392.747469] __alloc_pages_slowpath+0x2214/0x2870 [ 1392.752335] ? warn_alloc+0x110/0x110 [ 1392.756140] ? __lock_acquire+0x6ee/0x49c0 [ 1392.760377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1392.765917] ? should_fail+0x14d/0x85c [ 1392.769820] ? __isolate_free_page+0x4c0/0x4c0 [ 1392.774459] __alloc_pages_nodemask+0x617/0x750 [ 1392.779135] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1392.784174] ? find_held_lock+0x35/0x130 [ 1392.788422] cache_grow_begin+0x91/0x8c0 [ 1392.792503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1392.798045] ? __cpuset_node_allowed+0x136/0x540 [ 1392.802806] fallback_alloc+0x1fd/0x2d0 [ 1392.806794] ____cache_alloc_node+0x1be/0x1e0 [ 1392.811298] kmem_cache_alloc_node+0xe3/0x710 [ 1392.815836] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1392.820079] __alloc_skb+0xd5/0x5f0 [ 1392.823708] ? skb_trim+0x190/0x190 [ 1392.827336] ? kasan_check_read+0x11/0x20 [ 1392.831491] ndisc_alloc_skb+0x13c/0x340 [ 1392.835553] ndisc_send_rs+0x35f/0x6e0 [ 1392.839441] addrconf_rs_timer+0x30f/0x680 [ 1392.843680] ? ipv6_get_lladdr+0x490/0x490 [ 1392.847922] call_timer_fn+0x18d/0x720 [ 1392.851810] ? ipv6_get_lladdr+0x490/0x490 [ 1392.856093] ? process_timeout+0x40/0x40 [ 1392.860153] ? run_timer_softirq+0x644/0x16a0 [ 1392.864657] ? trace_hardirqs_on+0x67/0x220 [ 1392.869021] ? ipv6_get_lladdr+0x490/0x490 [ 1392.873258] run_timer_softirq+0x64f/0x16a0 [ 1392.877584] ? add_timer+0xbe0/0xbe0 [ 1392.881301] ? __lock_is_held+0xb6/0x140 [ 1392.885372] __do_softirq+0x25c/0x921 [ 1392.889173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1392.894743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1392.900326] irq_exit+0x180/0x1d0 [ 1392.903780] smp_apic_timer_interrupt+0x13b/0x550 [ 1392.908627] apic_timer_interrupt+0xf/0x20 [ 1392.912855] [ 1392.915094] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1392.919679] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1392.938578] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1392.946287] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1392.953556] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1392.960827] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1392.968097] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1392.975362] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1392.982709] percpu_ref_put_many+0x37/0x190 [ 1392.987033] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1392.992136] mem_cgroup_iter+0x907/0xac0 [ 1392.996202] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1393.000957] ? kasan_check_read+0x11/0x20 [ 1393.005106] ? mem_cgroup_protected+0x44/0x380 [ 1393.009689] ? vmpressure+0x19f/0x350 [ 1393.013491] shrink_node+0x402/0x1450 [ 1393.017305] ? shrink_node_memcg+0x13f0/0x13f0 [ 1393.021942] ? kvm_clock_read+0x18/0x30 [ 1393.025916] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1393.030936] ? ktime_get+0x202/0x2f0 [ 1393.034653] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1393.040236] ? __cpuset_node_allowed+0x136/0x540 [ 1393.045091] do_try_to_free_pages+0x3cb/0x11c0 [ 1393.049727] ? shrink_node+0x1450/0x1450 [ 1393.053800] try_to_free_pages+0x2ee/0x7f0 [ 1393.058086] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1393.062947] __alloc_pages_slowpath+0x990/0x2870 [ 1393.067717] ? warn_alloc+0x110/0x110 [ 1393.071515] ? __lock_is_held+0xb6/0x140 [ 1393.075576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1393.081163] ? should_fail+0x14d/0x85c [ 1393.085059] ? __might_sleep+0x95/0x190 [ 1393.089058] __alloc_pages_nodemask+0x617/0x750 [ 1393.093749] ? kasan_check_read+0x11/0x20 [ 1393.097920] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1393.103199] ? find_get_entry+0x3e1/0xa00 [ 1393.107365] ? find_get_pages_contig+0xed0/0xed0 [ 1393.112131] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1393.117678] alloc_pages_current+0x107/0x210 [ 1393.122097] __page_cache_alloc+0x2bd/0x450 [ 1393.126424] ? kasan_check_read+0x11/0x20 [ 1393.130576] filemap_fault+0xfeb/0x1f00 [ 1393.134559] ? lock_downgrade+0x880/0x880 [ 1393.138757] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1393.143430] ? lock_acquire+0x16f/0x3f0 [ 1393.147405] ? ext4_filemap_fault+0x7b/0xaf [ 1393.151738] ext4_filemap_fault+0x83/0xaf [ 1393.155933] __do_fault+0x111/0x480 [ 1393.159601] __handle_mm_fault+0x2d78/0x3f80 [ 1393.164012] ? copy_page_range+0x2030/0x2030 [ 1393.168437] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1393.173111] handle_mm_fault+0x1b5/0x690 [ 1393.177182] __do_page_fault+0x62a/0xe90 [ 1393.181246] ? vmalloc_fault+0x740/0x740 [ 1393.185358] ? trace_hardirqs_off_caller+0x65/0x220 [ 1393.190376] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1393.195307] ? page_fault+0x8/0x30 [ 1393.198857] do_page_fault+0x71/0x57d [ 1393.202657] ? page_fault+0x8/0x30 [ 1393.206199] page_fault+0x1e/0x30 [ 1393.209656] RIP: 0033:0x45b153 [ 1393.212859] Code: Bad RIP value. [ 1393.216221] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1393.221626] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1393.228893] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1393.236164] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1393.243430] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1393.250697] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1393.258034] warn_alloc_show_mem: 1 callbacks suppressed [ 1393.258044] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1393.258046] Mem-Info: [ 1393.258074] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1393.258074] active_file:12 inactive_file:12 isolated_file:0 [ 1393.258074] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1393.258074] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1393.258074] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1393.258074] free:10883 free_pcp:183 free_cma:0 [ 1393.263423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1393.270755] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1393.273165] Call Trace: [ 1393.306421] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1393.315779] dump_stack+0x197/0x210 [ 1393.343260] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1393.345859] warn_alloc.cold+0x7b/0x173 [ 1393.373674] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1393.377372] ? zone_watermark_ok_safe+0x260/0x260 [ 1393.403472] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1393.407462] ? __cpuset_node_allowed+0x136/0x540 [ 1393.412455] lowmem_reserve[]: 0 0 1 1 1 [ 1393.417316] ? __isolate_free_page+0x4c0/0x4c0 [ 1393.446248] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1393.451022] ? wake_all_kswapds+0x14d/0x300 [ 1393.454975] lowmem_reserve[]: 0 0 0 0 0 [ 1393.459567] __alloc_pages_slowpath+0x2214/0x2870 [ 1393.485306] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1393.489657] ? warn_alloc+0x110/0x110 [ 1393.493638] lowmem_reserve[]: 0 0 0 0 0 [ 1393.498487] ? __lock_acquire+0x6ee/0x49c0 [ 1393.526366] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1393.530176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1393.534132] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1393.538372] ? should_fail+0x14d/0x85c [ 1393.550483] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1393.556037] ? __isolate_free_page+0x4c0/0x4c0 [ 1393.570100] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1393.574003] __alloc_pages_nodemask+0x617/0x750 [ 1393.584716] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1393.589315] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1393.604811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1393.609482] ? find_held_lock+0x35/0x130 [ 1393.618343] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1393.623360] cache_grow_begin+0x91/0x8c0 [ 1393.631923] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1393.636035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1393.644888] 269 total pagecache pages [ 1393.648954] ? __cpuset_node_allowed+0x136/0x540 [ 1393.657518] 0 pages in swap cache [ 1393.663089] fallback_alloc+0x1fd/0x2d0 [ 1393.666877] Swap cache stats: add 0, delete 0, find 0/0 [ 1393.671641] ____cache_alloc_node+0x1be/0x1e0 [ 1393.675075] Free swap = 0kB [ 1393.679046] kmem_cache_alloc_node+0xe3/0x710 [ 1393.684385] Total swap = 0kB [ 1393.684395] 1965979 pages RAM [ 1393.688890] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1393.691886] 0 pages HighMem/MovableOnly [ 1393.691893] 341726 pages reserved [ 1393.696401] __alloc_skb+0xd5/0x5f0 [ 1393.699401] 0 pages cma reserved [ 1393.702504] ? skb_trim+0x190/0x190 [ 1393.706844] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1393.710726] ? kasan_check_read+0x11/0x20 [ 1393.710752] ndisc_alloc_skb+0x13c/0x340 [ 1393.714233] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1393.717814] ndisc_send_rs+0x35f/0x6e0 [ 1393.721169] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1393.724801] addrconf_rs_timer+0x30f/0x680 [ 1393.762863] ? ipv6_get_lladdr+0x490/0x490 [ 1393.767151] call_timer_fn+0x18d/0x720 [ 1393.771044] ? ipv6_get_lladdr+0x490/0x490 [ 1393.775336] ? process_timeout+0x40/0x40 [ 1393.781003] ? run_timer_softirq+0x644/0x16a0 [ 1393.785502] ? trace_hardirqs_on+0x67/0x220 [ 1393.789830] ? ipv6_get_lladdr+0x490/0x490 [ 1393.794068] run_timer_softirq+0x64f/0x16a0 [ 1393.798394] ? add_timer+0xbe0/0xbe0 [ 1393.802107] ? kvm_clock_read+0x18/0x30 [ 1393.806080] ? check_preemption_disabled+0x48/0x290 [ 1393.811098] ? sched_clock+0x2e/0x50 [ 1393.814822] __do_softirq+0x25c/0x921 [ 1393.818625] ? preempt_schedule_common+0x4f/0xe0 [ 1393.823435] ? takeover_tasklets+0x7b0/0x7b0 [ 1393.827843] run_ksoftirqd+0x8e/0x110 [ 1393.831644] smpboot_thread_fn+0x6a3/0xa30 [ 1393.835957] ? sort_range+0x30/0x30 [ 1393.839584] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1393.845121] ? __kthread_parkme+0xfb/0x1b0 [ 1393.849357] kthread+0x354/0x420 [ 1393.852724] ? sort_range+0x30/0x30 [ 1393.856352] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1393.861949] ret_from_fork+0x24/0x30 [ 1393.865687] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1393.865756] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1393.873068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1393.873079] Call Trace: [ 1393.879700] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1393.888938] [ 1393.891520] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1393.901838] dump_stack+0x197/0x210 [ 1393.912481] warn_alloc.cold+0x7b/0x173 [ 1393.916461] ? zone_watermark_ok_safe+0x260/0x260 [ 1393.921303] ? __cpuset_node_allowed+0x136/0x540 [ 1393.926064] ? __isolate_free_page+0x4c0/0x4c0 [ 1393.930688] ? wake_all_kswapds+0x14d/0x300 [ 1393.935018] __alloc_pages_slowpath+0x2214/0x2870 [ 1393.939877] ? warn_alloc+0x110/0x110 [ 1393.943679] ? __lock_acquire+0x6ee/0x49c0 [ 1393.947916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1393.953451] ? should_fail+0x14d/0x85c [ 1393.957382] ? __isolate_free_page+0x4c0/0x4c0 [ 1393.961983] __alloc_pages_nodemask+0x617/0x750 [ 1393.966656] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1393.971681] ? find_held_lock+0x35/0x130 [ 1393.975746] cache_grow_begin+0x91/0x8c0 [ 1393.979847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1393.985382] ? __cpuset_node_allowed+0x136/0x540 [ 1393.990140] fallback_alloc+0x1fd/0x2d0 [ 1393.994121] ____cache_alloc_node+0x1be/0x1e0 [ 1393.998624] kmem_cache_alloc_node+0xe3/0x710 [ 1394.003121] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1394.007361] __alloc_skb+0xd5/0x5f0 [ 1394.010989] ? skb_trim+0x190/0x190 [ 1394.014622] ? kasan_check_read+0x11/0x20 [ 1394.018777] ndisc_alloc_skb+0x13c/0x340 [ 1394.022843] ndisc_send_rs+0x35f/0x6e0 [ 1394.026739] addrconf_rs_timer+0x30f/0x680 [ 1394.030981] ? ipv6_get_lladdr+0x490/0x490 [ 1394.035222] call_timer_fn+0x18d/0x720 [ 1394.039115] ? ipv6_get_lladdr+0x490/0x490 [ 1394.043349] ? process_timeout+0x40/0x40 [ 1394.047410] ? run_timer_softirq+0x644/0x16a0 [ 1394.051913] ? trace_hardirqs_on+0x67/0x220 [ 1394.056287] ? ipv6_get_lladdr+0x490/0x490 [ 1394.060561] run_timer_softirq+0x64f/0x16a0 [ 1394.064900] ? add_timer+0xbe0/0xbe0 [ 1394.068616] ? __lock_is_held+0xb6/0x140 [ 1394.072694] __do_softirq+0x25c/0x921 [ 1394.076497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1394.082121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1394.087716] irq_exit+0x180/0x1d0 [ 1394.091222] smp_apic_timer_interrupt+0x13b/0x550 [ 1394.096067] apic_timer_interrupt+0xf/0x20 [ 1394.100296] [ 1394.102535] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1394.107125] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1394.126024] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1394.133734] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1394.141004] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1394.148275] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1394.155544] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1394.162814] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1394.170132] percpu_ref_put_many+0x37/0x190 [ 1394.174461] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1394.179581] mem_cgroup_iter+0x907/0xac0 [ 1394.183768] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1394.188576] ? kasan_check_read+0x11/0x20 [ 1394.192732] ? mem_cgroup_protected+0x44/0x380 [ 1394.197322] ? vmpressure+0x19f/0x350 [ 1394.201140] shrink_node+0x402/0x1450 [ 1394.204962] ? shrink_node_memcg+0x13f0/0x13f0 [ 1394.209554] ? kvm_clock_read+0x18/0x30 [ 1394.213534] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1394.218594] ? ktime_get+0x202/0x2f0 [ 1394.222309] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1394.227888] ? __cpuset_node_allowed+0x136/0x540 [ 1394.232738] do_try_to_free_pages+0x3cb/0x11c0 [ 1394.237334] ? shrink_node+0x1450/0x1450 [ 1394.241405] try_to_free_pages+0x2ee/0x7f0 [ 1394.245647] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1394.250505] __alloc_pages_slowpath+0x990/0x2870 [ 1394.255282] ? warn_alloc+0x110/0x110 [ 1394.259121] ? __lock_is_held+0xb6/0x140 [ 1394.263186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1394.268721] ? should_fail+0x14d/0x85c [ 1394.272655] ? __might_sleep+0x95/0x190 [ 1394.276634] __alloc_pages_nodemask+0x617/0x750 [ 1394.281305] ? kasan_check_read+0x11/0x20 [ 1394.285460] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1394.290475] ? find_get_entry+0x3e1/0xa00 [ 1394.294629] ? find_get_pages_contig+0xed0/0xed0 [ 1394.299396] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1394.304974] alloc_pages_current+0x107/0x210 [ 1394.309388] __page_cache_alloc+0x2bd/0x450 [ 1394.313719] ? kasan_check_read+0x11/0x20 [ 1394.317870] filemap_fault+0xfeb/0x1f00 [ 1394.321866] ? lock_downgrade+0x880/0x880 [ 1394.326023] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1394.330697] ? lock_acquire+0x16f/0x3f0 [ 1394.334672] ? ext4_filemap_fault+0x7b/0xaf [ 1394.339088] ext4_filemap_fault+0x83/0xaf [ 1394.343236] __do_fault+0x111/0x480 [ 1394.346908] __handle_mm_fault+0x2d78/0x3f80 [ 1394.351339] ? copy_page_range+0x2030/0x2030 [ 1394.356038] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1394.360721] handle_mm_fault+0x1b5/0x690 [ 1394.364966] __do_page_fault+0x62a/0xe90 [ 1394.369054] ? vmalloc_fault+0x740/0x740 [ 1394.373127] ? trace_hardirqs_off_caller+0x65/0x220 [ 1394.378195] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1394.383132] ? page_fault+0x8/0x30 [ 1394.386679] do_page_fault+0x71/0x57d [ 1394.390500] ? page_fault+0x8/0x30 [ 1394.394049] page_fault+0x1e/0x30 [ 1394.397666] RIP: 0033:0x45b153 [ 1394.400876] Code: Bad RIP value. [ 1394.404242] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1394.409610] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1394.416936] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1394.424214] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1394.431484] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1394.438750] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1394.446036] warn_alloc_show_mem: 1 callbacks suppressed [ 1394.446045] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1394.446047] Mem-Info: [ 1394.446075] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1394.446075] active_file:12 inactive_file:12 isolated_file:0 [ 1394.446075] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1394.446075] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1394.446075] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1394.446075] free:10883 free_pcp:183 free_cma:0 [ 1394.451418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1394.451426] Call Trace: [ 1394.458629] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1394.461041] dump_stack+0x197/0x210 [ 1394.494185] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1394.503531] warn_alloc.cold+0x7b/0x173 [ 1394.506277] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1394.534032] ? zone_watermark_ok_safe+0x260/0x260 [ 1394.537643] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1394.563501] ? __cpuset_node_allowed+0x136/0x540 [ 1394.567461] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1394.593781] ? __isolate_free_page+0x4c0/0x4c0 [ 1394.598651] lowmem_reserve[]: 0 0 1 1 1 [ 1394.603676] ? wake_all_kswapds+0x14d/0x300 [ 1394.608435] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1394.637251] __alloc_pages_slowpath+0x2214/0x2870 [ 1394.641813] lowmem_reserve[]: 0 0 0 0 0 [ 1394.645815] ? warn_alloc+0x110/0x110 [ 1394.650107] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1394.675901] ? __lock_acquire+0x6ee/0x49c0 [ 1394.680732] lowmem_reserve[]: 0 0 0 0 0 [ 1394.684711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1394.688509] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1394.716518] ? should_fail+0x14d/0x85c [ 1394.720780] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1394.724763] ? __isolate_free_page+0x4c0/0x4c0 [ 1394.730400] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1394.742691] __alloc_pages_nodemask+0x617/0x750 [ 1394.746676] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1394.760744] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1394.765320] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1394.775990] ? find_held_lock+0x35/0x130 [ 1394.780771] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1394.780786] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1394.796633] cache_grow_begin+0x91/0x8c0 [ 1394.801631] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1394.801640] 269 total pagecache pages [ 1394.810636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1394.814683] 0 pages in swap cache [ 1394.823306] ? __cpuset_node_allowed+0x136/0x540 [ 1394.832320] Swap cache stats: add 0, delete 0, find 0/0 [ 1394.832330] Free swap = 0kB [ 1394.836532] fallback_alloc+0x1fd/0x2d0 [ 1394.845091] Total swap = 0kB [ 1394.845102] 1965979 pages RAM [ 1394.849098] ____cache_alloc_node+0x1be/0x1e0 [ 1394.854659] 0 pages HighMem/MovableOnly [ 1394.858122] kmem_cache_alloc_node+0xe3/0x710 [ 1394.862857] 341726 pages reserved [ 1394.868251] ? mark_held_locks+0x100/0x100 [ 1394.871248] 0 pages cma reserved [ 1394.871316] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1394.875405] __alloc_skb+0xd5/0x5f0 [ 1394.875420] ? skb_trim+0x190/0x190 [ 1394.875433] ? __local_bh_enable_ip+0x15a/0x270 [ 1394.875451] ? lock_downgrade+0x880/0x880 [ 1394.878524] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1394.881588] ndisc_alloc_skb+0x13c/0x340 [ 1394.886075] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1394.890072] ndisc_send_rs+0x7c/0x6e0 [ 1394.953028] addrconf_rs_timer+0x30f/0x680 [ 1394.957333] ? ipv6_get_lladdr+0x490/0x490 [ 1394.961795] call_timer_fn+0x18d/0x720 [ 1394.965696] ? ipv6_get_lladdr+0x490/0x490 [ 1394.970130] ? process_timeout+0x40/0x40 [ 1394.974201] ? run_timer_softirq+0x644/0x16a0 [ 1394.978709] ? trace_hardirqs_on+0x67/0x220 [ 1394.983055] ? ipv6_get_lladdr+0x490/0x490 [ 1394.987293] run_timer_softirq+0x64f/0x16a0 [ 1394.991787] ? add_timer+0xbe0/0xbe0 [ 1394.995594] ? kvm_clock_read+0x18/0x30 [ 1394.999667] ? check_preemption_disabled+0x48/0x290 [ 1395.004908] ? sched_clock+0x2e/0x50 [ 1395.008644] __do_softirq+0x25c/0x921 [ 1395.012458] ? preempt_schedule_common+0x4f/0xe0 [ 1395.017234] ? takeover_tasklets+0x7b0/0x7b0 [ 1395.021993] run_ksoftirqd+0x8e/0x110 [ 1395.025810] smpboot_thread_fn+0x6a3/0xa30 [ 1395.030062] ? sort_range+0x30/0x30 [ 1395.033697] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1395.039262] ? __kthread_parkme+0xfb/0x1b0 [ 1395.043516] kthread+0x354/0x420 [ 1395.046895] ? sort_range+0x30/0x30 [ 1395.050530] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1395.056246] ret_from_fork+0x24/0x30 [ 1395.059985] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1395.060117] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1395.067365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1395.067370] Call Trace: [ 1395.067376] [ 1395.067398] dump_stack+0x197/0x210 [ 1395.067414] warn_alloc.cold+0x7b/0x173 [ 1395.067429] ? zone_watermark_ok_safe+0x260/0x260 [ 1395.067446] ? __cpuset_node_allowed+0x136/0x540 [ 1395.073992] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1395.083449] ? __isolate_free_page+0x4c0/0x4c0 [ 1395.086060] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1395.088212] ? wake_all_kswapds+0x14d/0x300 [ 1395.129722] __alloc_pages_slowpath+0x2214/0x2870 [ 1395.134585] ? warn_alloc+0x110/0x110 [ 1395.138390] ? __lock_acquire+0x6ee/0x49c0 [ 1395.142626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1395.148163] ? should_fail+0x14d/0x85c [ 1395.152058] ? __isolate_free_page+0x4c0/0x4c0 [ 1395.156685] __alloc_pages_nodemask+0x617/0x750 [ 1395.161361] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1395.166386] ? find_held_lock+0x35/0x130 [ 1395.170451] cache_grow_begin+0x91/0x8c0 [ 1395.174516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1395.180052] ? __cpuset_node_allowed+0x136/0x540 [ 1395.184808] fallback_alloc+0x1fd/0x2d0 [ 1395.188788] ____cache_alloc_node+0x1be/0x1e0 [ 1395.193305] kmem_cache_alloc_node+0xe3/0x710 [ 1395.197808] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1395.202056] __alloc_skb+0xd5/0x5f0 [ 1395.205713] ? skb_trim+0x190/0x190 [ 1395.209347] ? kasan_check_read+0x11/0x20 [ 1395.213597] ndisc_alloc_skb+0x13c/0x340 [ 1395.217718] ndisc_send_rs+0x35f/0x6e0 [ 1395.221616] addrconf_rs_timer+0x30f/0x680 [ 1395.225867] ? ipv6_get_lladdr+0x490/0x490 [ 1395.230164] call_timer_fn+0x18d/0x720 [ 1395.234080] ? ipv6_get_lladdr+0x490/0x490 [ 1395.238376] ? process_timeout+0x40/0x40 [ 1395.242476] ? run_timer_softirq+0x644/0x16a0 [ 1395.246999] ? trace_hardirqs_on+0x67/0x220 [ 1395.252033] ? ipv6_get_lladdr+0x490/0x490 [ 1395.256417] run_timer_softirq+0x64f/0x16a0 [ 1395.260756] ? add_timer+0xbe0/0xbe0 [ 1395.264658] ? __lock_is_held+0xb6/0x140 [ 1395.268773] __do_softirq+0x25c/0x921 [ 1395.272589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1395.278146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1395.283806] irq_exit+0x180/0x1d0 [ 1395.287272] smp_apic_timer_interrupt+0x13b/0x550 [ 1395.292122] apic_timer_interrupt+0xf/0x20 [ 1395.296523] [ 1395.298804] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1395.303392] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1395.322435] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1395.330289] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1395.337568] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1395.344853] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1395.352131] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1395.359628] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1395.366941] percpu_ref_put_many+0x37/0x190 [ 1395.371275] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1395.376532] mem_cgroup_iter+0x907/0xac0 [ 1395.380608] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1395.385383] ? kasan_check_read+0x11/0x20 [ 1395.389550] ? mem_cgroup_protected+0x44/0x380 [ 1395.394137] ? vmpressure+0x19f/0x350 [ 1395.397951] shrink_node+0x402/0x1450 [ 1395.401914] ? shrink_node_memcg+0x13f0/0x13f0 [ 1395.406504] ? kvm_clock_read+0x18/0x30 [ 1395.410508] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1395.415693] ? ktime_get+0x202/0x2f0 [ 1395.419479] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1395.425030] ? __cpuset_node_allowed+0x136/0x540 [ 1395.429807] do_try_to_free_pages+0x3cb/0x11c0 [ 1395.434511] ? shrink_node+0x1450/0x1450 [ 1395.438589] try_to_free_pages+0x2ee/0x7f0 [ 1395.442927] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1395.447803] __alloc_pages_slowpath+0x990/0x2870 [ 1395.452640] ? warn_alloc+0x110/0x110 [ 1395.456454] ? __lock_is_held+0xb6/0x140 [ 1395.460526] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1395.466066] ? should_fail+0x14d/0x85c [ 1395.469972] ? __might_sleep+0x95/0x190 [ 1395.473953] __alloc_pages_nodemask+0x617/0x750 [ 1395.478624] ? kasan_check_read+0x11/0x20 [ 1395.482778] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1395.487793] ? find_get_entry+0x3e1/0xa00 [ 1395.491948] ? find_get_pages_contig+0xed0/0xed0 [ 1395.496704] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1395.502244] alloc_pages_current+0x107/0x210 [ 1395.506655] __page_cache_alloc+0x2bd/0x450 [ 1395.510978] ? kasan_check_read+0x11/0x20 [ 1395.515137] filemap_fault+0xfeb/0x1f00 [ 1395.519115] ? lock_downgrade+0x880/0x880 [ 1395.523275] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1395.527983] ? lock_acquire+0x16f/0x3f0 [ 1395.532001] ? ext4_filemap_fault+0x7b/0xaf [ 1395.536342] ext4_filemap_fault+0x83/0xaf [ 1395.540502] __do_fault+0x111/0x480 [ 1395.544138] __handle_mm_fault+0x2d78/0x3f80 [ 1395.548551] ? copy_page_range+0x2030/0x2030 [ 1395.552975] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1395.557646] handle_mm_fault+0x1b5/0x690 [ 1395.561711] __do_page_fault+0x62a/0xe90 [ 1395.565777] ? vmalloc_fault+0x740/0x740 [ 1395.569905] ? trace_hardirqs_off_caller+0x65/0x220 [ 1395.574923] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1395.579852] ? page_fault+0x8/0x30 [ 1395.583658] do_page_fault+0x71/0x57d [ 1395.587481] ? page_fault+0x8/0x30 [ 1395.591222] page_fault+0x1e/0x30 [ 1395.594684] RIP: 0033:0x45b153 [ 1395.597896] Code: Bad RIP value. [ 1395.601283] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1395.606658] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1395.613937] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1395.621210] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1395.628485] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1395.635771] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1395.643249] warn_alloc_show_mem: 1 callbacks suppressed [ 1395.643259] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1395.643261] Mem-Info: [ 1395.643291] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1395.643291] active_file:12 inactive_file:12 isolated_file:0 [ 1395.643291] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1395.643291] slab_reclaimable:10112 slab_unreclaimable:1400376 [ 1395.643291] mapped:52226 shmem:245 pagetables:1047 bounce:0 [ 1395.643291] free:10883 free_pcp:183 free_cma:0 [ 1395.648642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1395.655846] Node 0 active_anon:414556kB 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: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1395.658246] Call Trace: [ 1395.691402] Node 1 active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1395.700757] dump_stack+0x197/0x210 [ 1395.728236] Node 0 DMA free:10260kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1395.730831] warn_alloc.cold+0x7b/0x173 [ 1395.756655] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 1395.760304] ? zone_watermark_ok_safe+0x260/0x260 [ 1395.786396] Node 0 DMA32 free:13280kB min:36168kB low:45208kB high:54248kB active_anon:414556kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609796kB mlocked:0kB kernel_stack:7232kB pagetables:4188kB bounce:0kB free_pcp:264kB local_pcp:264kB free_cma:0kB [ 1395.790374] ? __cpuset_node_allowed+0x136/0x540 [ 1395.795371] lowmem_reserve[]: 0 0 1 1 1 [ 1395.800221] ? __isolate_free_page+0x4c0/0x4c0 [ 1395.829005] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1395.833814] ? wake_all_kswapds+0x14d/0x300 [ 1395.837764] lowmem_reserve[]: 0 0 0 0 0 [ 1395.842360] __alloc_pages_slowpath+0x2214/0x2870 [ 1395.868097] Node 1 Normal free:19992kB min:53704kB low:67128kB high:80552kB active_anon:252kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:468kB local_pcp:220kB free_cma:0kB [ 1395.872445] ? warn_alloc+0x110/0x110 [ 1395.876437] lowmem_reserve[]: 0 0 0 0 0 [ 1395.881280] ? __lock_acquire+0x6ee/0x49c0 [ 1395.909158] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10260kB [ 1395.912966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1395.916920] Node 0 DMA32: 270*4kB (MEH) 736*8kB (UMEH) 247*16kB (UMH) 64*32kB (UMH) 6*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13352kB [ 1395.921155] ? should_fail+0x14d/0x85c [ 1395.933272] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1395.938818] ? __isolate_free_page+0x4c0/0x4c0 [ 1395.952839] Node 1 Normal: 4*4kB (ME) 5*8kB (ME) 2*16kB (M) 6*32kB (UME) 2*64kB (ME) 3*128kB (UE) 1*256kB (U) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19992kB [ 1395.956740] __alloc_pages_nodemask+0x617/0x750 [ 1395.967376] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1395.971963] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1395.987506] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1395.992227] ? find_held_lock+0x35/0x130 [ 1396.001054] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1396.006125] cache_grow_begin+0x91/0x8c0 [ 1396.014685] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1396.018803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1396.027606] 269 total pagecache pages [ 1396.031679] ? __cpuset_node_allowed+0x136/0x540 [ 1396.040248] 0 pages in swap cache [ 1396.045803] fallback_alloc+0x1fd/0x2d0 [ 1396.049594] Swap cache stats: add 0, delete 0, find 0/0 [ 1396.054374] ____cache_alloc_node+0x1be/0x1e0 [ 1396.058030] Free swap = 0kB [ 1396.058037] Total swap = 0kB [ 1396.062019] kmem_cache_alloc_node+0xe3/0x710 [ 1396.067407] 1965979 pages RAM [ 1396.071913] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 1396.074910] 0 pages HighMem/MovableOnly [ 1396.074917] 341726 pages reserved [ 1396.077940] __alloc_skb+0xd5/0x5f0 [ 1396.082447] 0 pages cma reserved [ 1396.085552] ? skb_trim+0x190/0x190 [ 1396.089865] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1396.093772] ? kasan_check_read+0x11/0x20 [ 1396.093798] ndisc_alloc_skb+0x13c/0x340 [ 1396.097407] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1396.100864] ndisc_send_rs+0x35f/0x6e0 [ 1396.104211] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1396.107871] addrconf_rs_timer+0x30f/0x680 [ 1396.145782] ? ipv6_get_lladdr+0x490/0x490 [ 1396.150031] call_timer_fn+0x18d/0x720 [ 1396.153922] ? ipv6_get_lladdr+0x490/0x490 [ 1396.158202] ? process_timeout+0x40/0x40 [ 1396.162263] ? run_timer_softirq+0x644/0x16a0 [ 1396.166814] ? trace_hardirqs_on+0x67/0x220 [ 1396.171153] ? ipv6_get_lladdr+0x490/0x490 [ 1396.175389] run_timer_softirq+0x64f/0x16a0 [ 1396.179722] ? add_timer+0xbe0/0xbe0 [ 1396.183434] ? kvm_clock_read+0x18/0x30 [ 1396.187414] ? check_preemption_disabled+0x48/0x290 [ 1396.192440] ? sched_clock+0x2e/0x50 [ 1396.196165] __do_softirq+0x25c/0x921 [ 1396.199968] ? preempt_schedule_common+0x4f/0xe0 [ 1396.204770] ? takeover_tasklets+0x7b0/0x7b0 [ 1396.209218] run_ksoftirqd+0x8e/0x110 [ 1396.213025] smpboot_thread_fn+0x6a3/0xa30 [ 1396.217264] ? sort_range+0x30/0x30 [ 1396.220912] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1396.226453] ? __kthread_parkme+0xfb/0x1b0 [ 1396.230706] kthread+0x354/0x420 [ 1396.234074] ? sort_range+0x30/0x30 [ 1396.237706] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1396.243243] ret_from_fork+0x24/0x30 [ 1396.246974] CPU: 1 PID: 7765 Comm: syz-fuzzer Not tainted 4.19.90-syzkaller #0 [ 1396.247040] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1396.254343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1396.254350] Call Trace: [ 1396.260919] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1396.270188] [ 1396.272767] ksoftirqd/0 cpuset=/ mems_allowed=0-1 [ 1396.283136] dump_stack+0x197/0x210 [ 1396.293766] warn_alloc.cold+0x7b/0x173 [ 1396.297745] ? zone_watermark_ok_safe+0x260/0x260 [ 1396.302587] ? __cpuset_node_allowed+0x136/0x540 [ 1396.307349] ? __isolate_free_page+0x4c0/0x4c0 [ 1396.311936] ? wake_all_kswapds+0x14d/0x300 [ 1396.316268] __alloc_pages_slowpath+0x2214/0x2870 [ 1396.321127] ? warn_alloc+0x110/0x110 [ 1396.324933] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1396.330486] ? should_fail+0x14d/0x85c [ 1396.334401] ? __isolate_free_page+0x4c0/0x4c0 [ 1396.339014] __alloc_pages_nodemask+0x617/0x750 [ 1396.343707] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1396.348930] cache_grow_begin+0x91/0x8c0 [ 1396.353089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1396.358638] ? __cpuset_node_allowed+0x136/0x540 [ 1396.363405] fallback_alloc+0x1fd/0x2d0 [ 1396.367439] ____cache_alloc_node+0x1be/0x1e0 [ 1396.371947] kmem_cache_alloc_node+0xe3/0x710 [ 1396.376447] ? queue_work_on+0xe2/0x200 [ 1396.380427] ? switchdev_deferred_enqueue+0x1ad/0x220 [ 1396.385751] ? queue_work_on+0xe2/0x200 [ 1396.389740] __alloc_skb+0xd5/0x5f0 [ 1396.393377] ? skb_trim+0x190/0x190 [ 1396.397015] ? switchdev_port_obj_del_now+0x1e0/0x1e0 [ 1396.402215] ? switchdev_deferred_enqueue+0x1b2/0x220 [ 1396.407571] __br_mdb_notify+0x2af/0xe40 [ 1396.411651] ? __br_mdb_add+0x7b0/0x7b0 [ 1396.415643] ? debug_object_deactivate+0x1e4/0x360 [ 1396.420590] br_mdb_notify+0x20d/0x2d0 [ 1396.424496] ? br_mdb_dump+0x1fe0/0x1fe0 [ 1396.428565] ? lock_acquire+0x16f/0x3f0 [ 1396.432548] ? kasan_check_write+0x14/0x20 [ 1396.436784] ? do_raw_spin_lock+0xc8/0x240 [ 1396.441026] br_multicast_group_expired+0x141/0x410 [ 1396.446083] call_timer_fn+0x18d/0x720 [ 1396.449973] ? br_mdb_free+0x80/0x80 [ 1396.453690] ? process_timeout+0x40/0x40 [ 1396.457752] ? run_timer_softirq+0x644/0x16a0 [ 1396.462252] ? trace_hardirqs_on+0x67/0x220 [ 1396.466577] ? br_mdb_free+0x80/0x80 [ 1396.470295] run_timer_softirq+0x64f/0x16a0 [ 1396.474669] ? add_timer+0xbe0/0xbe0 [ 1396.478389] ? __lock_is_held+0xb6/0x140 [ 1396.482462] __do_softirq+0x25c/0x921 [ 1396.486266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1396.491836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1396.497384] irq_exit+0x180/0x1d0 [ 1396.500840] smp_apic_timer_interrupt+0x13b/0x550 [ 1396.505683] apic_timer_interrupt+0xf/0x20 [ 1396.509955] [ 1396.512197] RIP: 0010:lock_acquire+0x1ea/0x3f0 [ 1396.516902] Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 7a dd 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 1396.535864] RSP: 0000:ffff88808129f200 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 1396.543580] RAX: 1ffffffff11e4b79 RBX: ffff8880a4e04280 RCX: 0000000099990a23 [ 1396.550851] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1396.558119] RBP: ffff88808129f248 R08: 0000000000000000 R09: 0000000000000004 [ 1396.565389] R10: ffff8880a4e04ba0 R11: 00000000442821ed R12: ffffffff88f97260 [ 1396.572703] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 1396.580009] percpu_ref_put_many+0x37/0x190 [ 1396.584490] ? get_mctgt_type_thp.isra.0+0x3c0/0x3c0 [ 1396.589607] mem_cgroup_iter+0x907/0xac0 [ 1396.593673] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 1396.598486] ? kasan_check_read+0x11/0x20 [ 1396.602634] ? mem_cgroup_protected+0x44/0x380 [ 1396.607258] ? vmpressure+0x19f/0x350 [ 1396.611070] shrink_node+0x402/0x1450 [ 1396.614929] ? shrink_node_memcg+0x13f0/0x13f0 [ 1396.619514] ? kvm_clock_read+0x18/0x30 [ 1396.623491] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1396.628508] ? ktime_get+0x202/0x2f0 [ 1396.632274] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1396.637829] ? __cpuset_node_allowed+0x136/0x540 [ 1396.642592] do_try_to_free_pages+0x3cb/0x11c0 [ 1396.647187] ? shrink_node+0x1450/0x1450 [ 1396.651275] try_to_free_pages+0x2ee/0x7f0 [ 1396.655515] ? do_try_to_free_pages+0x11c0/0x11c0 [ 1396.660373] __alloc_pages_slowpath+0x990/0x2870 [ 1396.665144] ? warn_alloc+0x110/0x110 [ 1396.668948] ? __lock_is_held+0xb6/0x140 [ 1396.673028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1396.678587] ? should_fail+0x14d/0x85c [ 1396.682490] ? __might_sleep+0x95/0x190 [ 1396.686599] __alloc_pages_nodemask+0x617/0x750 [ 1396.691375] ? kasan_check_read+0x11/0x20 [ 1396.695534] ? __alloc_pages_slowpath+0x2870/0x2870 [ 1396.700554] ? find_get_entry+0x3e1/0xa00 [ 1396.704713] ? find_get_pages_contig+0xed0/0xed0 [ 1396.709478] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1396.715078] alloc_pages_current+0x107/0x210 [ 1396.719495] __page_cache_alloc+0x2bd/0x450 [ 1396.723821] ? kasan_check_read+0x11/0x20 [ 1396.727974] filemap_fault+0xfeb/0x1f00 [ 1396.731950] ? lock_downgrade+0x880/0x880 [ 1396.736102] ? __lock_page_or_retry+0xdc0/0xdc0 [ 1396.740776] ? lock_acquire+0x16f/0x3f0 [ 1396.744751] ? ext4_filemap_fault+0x7b/0xaf [ 1396.749079] ext4_filemap_fault+0x83/0xaf [ 1396.753229] __do_fault+0x111/0x480 [ 1396.756862] __handle_mm_fault+0x2d78/0x3f80 [ 1396.761273] ? copy_page_range+0x2030/0x2030 [ 1396.765698] ? count_memcg_event_mm+0x2b1/0x4d0 [ 1396.770369] handle_mm_fault+0x1b5/0x690 [ 1396.774431] __do_page_fault+0x62a/0xe90 [ 1396.778540] ? vmalloc_fault+0x740/0x740 [ 1396.782602] ? trace_hardirqs_off_caller+0x65/0x220 [ 1396.787616] ? trace_hardirqs_on_caller+0x6a/0x220 [ 1396.792543] ? page_fault+0x8/0x30 [ 1396.796089] do_page_fault+0x71/0x57d [ 1396.799887] ? page_fault+0x8/0x30 [ 1396.803432] page_fault+0x1e/0x30 [ 1396.806881] RIP: 0033:0x45b153 [ 1396.810151] Code: Bad RIP value. [ 1396.813510] RSP: 002b:000000c420039ea0 EFLAGS: 00010206 [ 1396.818867] RAX: ffffffffffffff92 RBX: 000000003b9826de RCX: 000000000045b153 [ 1396.826135] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001911220 [ 1396.833404] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1396.840671] R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000120f6001615 [ 1396.847940] R13: 0000000000000001 R14: 0000000000000013 R15: 0000000000000100 [ 1396.855244] warn_alloc_show_mem: 1 callbacks suppressed [ 1396.855254] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.90-syzkaller #0 [ 1396.855256] Mem-Info: [ 1396.855285] active_anon:103702 inactive_anon:189 isolated_anon:0 [ 1396.855285] active_file:12 inactive_file:12 isolated_file:0 [ 1396.855285] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1396.855285] slab_reclaimable:10112 slab_unreclaimable:1400376