2] __page_cache_alloc+0x38c/0x5c0 [ 706.368114] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 706.373031] ? kasan_check_read+0x11/0x20 [ 706.377166] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 706.382457] ? generic_perform_write+0x6a0/0x6a0 [ 706.387219] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.392759] ? check_preemption_disabled+0x48/0x280 [ 706.397772] filemap_fault+0x1595/0x25f0 [ 706.401852] ? __lock_page_or_retry+0xa00/0xa00 [ 706.406522] ? mark_held_locks+0x130/0x130 [ 706.410992] ? filemap_map_pages+0xd6b/0x1a20 [ 706.415497] ? lock_downgrade+0x900/0x900 [ 706.419722] ? check_preemption_disabled+0x48/0x280 [ 706.424736] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 706.429654] ? kasan_check_read+0x11/0x20 [ 706.433792] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 706.439064] ? rcu_softirq_qs+0x20/0x20 [ 706.443044] ? filemap_map_pages+0xd92/0x1a20 [ 706.447560] ? find_get_entries_tag+0x1400/0x1400 [ 706.452402] ? futex_wake+0x760/0x760 [ 706.456215] ? lock_acquire+0x1ed/0x520 [ 706.460183] ? ext4_filemap_fault+0x7a/0xad [ 706.464530] ? lock_release+0xa00/0xa00 [ 706.468514] ? perf_trace_sched_process_exec+0x860/0x860 [ 706.473965] ? print_usage_bug+0xc0/0xc0 [ 706.478022] ? print_usage_bug+0xc0/0xc0 [ 706.482090] ? down_read+0x8d/0x120 [ 706.485704] ? ext4_filemap_fault+0x7a/0xad [ 706.490018] ? __down_interruptible+0x700/0x700 [ 706.494701] ext4_filemap_fault+0x82/0xad [ 706.498841] __do_fault+0x100/0x6b0 [ 706.502464] ? pmd_devmap_trans_unstable+0x220/0x220 [ 706.507593] ? mark_held_locks+0x130/0x130 [ 706.512047] ? mark_held_locks+0x130/0x130 [ 706.516274] ? __might_fault+0x12b/0x1e0 [ 706.520329] ? lock_downgrade+0x900/0x900 [ 706.524482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.530023] __handle_mm_fault+0x3ea0/0x5be0 [ 706.534452] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 706.539309] ? kasan_check_read+0x11/0x20 [ 706.543458] ? _copy_to_user+0xc8/0x110 [ 706.547439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.552991] ? zap_class+0x640/0x640 [ 706.556702] ? zap_class+0x640/0x640 [ 706.560416] ? find_held_lock+0x36/0x1c0 [ 706.564496] ? handle_mm_fault+0x42a/0xc70 [ 706.568758] ? lock_downgrade+0x900/0x900 [ 706.572900] ? check_preemption_disabled+0x48/0x280 [ 706.577916] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 706.582946] ? kasan_check_read+0x11/0x20 [ 706.587097] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 706.592363] ? rcu_softirq_qs+0x20/0x20 [ 706.596332] ? trace_hardirqs_off_caller+0x310/0x310 [ 706.601514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.607042] ? check_preemption_disabled+0x48/0x280 [ 706.612350] handle_mm_fault+0x54f/0xc70 [ 706.616412] ? __handle_mm_fault+0x5be0/0x5be0 [ 706.620994] ? find_vma+0x34/0x190 [ 706.624528] __do_page_fault+0x5e8/0xe60 [ 706.628583] ? trace_hardirqs_off+0xb8/0x310 [ 706.632995] do_page_fault+0xf2/0x7e0 [ 706.636787] ? vmalloc_sync_all+0x30/0x30 [ 706.640923] ? error_entry+0x70/0xd0 [ 706.644632] ? trace_hardirqs_off_caller+0xbb/0x310 [ 706.649639] ? trace_hardirqs_on_caller+0xc0/0x310 [ 706.654563] ? syscall_return_slowpath+0x5e0/0x5e0 [ 706.659493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.664842] ? trace_hardirqs_on_caller+0x310/0x310 [ 706.669853] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 706.675306] ? prepare_exit_to_usermode+0x291/0x3b0 [ 706.680404] ? page_fault+0x8/0x30 [ 706.683941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.688777] ? page_fault+0x8/0x30 [ 706.692309] page_fault+0x1e/0x30 [ 706.695754] RIP: 0033:0x407e06 [ 706.698953] Code: Bad RIP value. [ 706.702309] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 706.707668] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 706.715142] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 706.722404] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 706.729673] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 706.736941] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 706.744226] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 706.744314] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 706.751497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 706.751503] Call Trace: [ 706.751525] dump_stack+0x244/0x39d [ 706.751545] ? dump_stack_print_info.cold.1+0x20/0x20 [ 706.758115] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 706.767362] warn_alloc.cold.116+0xb7/0x1bd [ 706.770059] syz-fuzzer cpuset=/ mems_allowed=0 [ 706.773671] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 706.773693] ? lock_downgrade+0x900/0x900 [ 706.806954] ? trace_hardirqs_off+0xb8/0x310 [ 706.811818] ? trace_hardirqs_off+0xb8/0x310 [ 706.816233] __alloc_pages_slowpath+0x26e8/0x2e10 [ 706.821098] ? warn_alloc+0x120/0x120 [ 706.824940] ? zap_class+0x640/0x640 [ 706.828650] ? warn_alloc+0x120/0x120 [ 706.832451] ? warn_alloc+0x120/0x120 [ 706.836254] ? print_usage_bug+0xc0/0xc0 [ 706.840309] ? find_held_lock+0x36/0x1c0 [ 706.844370] ? print_usage_bug+0xc0/0xc0 [ 706.848433] ? cpuacct_charge+0x265/0x440 [ 706.852606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.858137] ? should_fail+0x22d/0xd01 [ 706.862018] ? find_held_lock+0x36/0x1c0 [ 706.866077] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 706.871179] ? __lock_acquire+0x62f/0x4c20 [ 706.875415] ? should_fail+0x22d/0xd01 [ 706.879309] ? mark_held_locks+0x130/0x130 [ 706.883540] ? mark_held_locks+0x130/0x130 [ 706.887773] ? __lock_acquire+0x62f/0x4c20 [ 706.892014] ? zap_class+0x640/0x640 [ 706.895722] ? __lock_is_held+0xb5/0x140 [ 706.899783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.905318] ? check_preemption_disabled+0x48/0x280 [ 706.910337] ? __lock_is_held+0xb5/0x140 [ 706.914875] __alloc_pages_nodemask+0xa80/0xde0 [ 706.919538] ? zap_class+0x640/0x640 [ 706.923248] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 706.928270] ? find_held_lock+0x36/0x1c0 [ 706.932339] ? ____cache_alloc_node+0x1c7/0x1e0 [ 706.937004] ? lock_downgrade+0x900/0x900 [ 706.941155] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 706.946780] cache_grow_begin+0xa5/0x8c0 [ 706.950839] ? do_raw_spin_unlock+0xa7/0x330 [ 706.955249] fallback_alloc+0x204/0x2e0 [ 706.959252] ____cache_alloc_node+0x1c7/0x1e0 [ 706.963754] kmem_cache_alloc+0x1f8/0x730 [ 706.967909] skb_clone+0x1bb/0x500 [ 706.971445] ? finish_task_switch+0x1b4/0x910 [ 706.975945] ? skb_split+0x11e0/0x11e0 [ 706.979830] ? preempt_notifier_register+0x200/0x200 [ 706.984938] ? __switch_to_asm+0x34/0x70 [ 706.988992] ? __switch_to_asm+0x34/0x70 [ 706.993044] ? __switch_to_asm+0x40/0x70 [ 706.997097] ? __switch_to_asm+0x34/0x70 [ 707.001167] ? __switch_to_asm+0x40/0x70 [ 707.005223] ? __switch_to_asm+0x34/0x70 [ 707.009272] ? __switch_to_asm+0x40/0x70 [ 707.013797] ? __switch_to_asm+0x34/0x70 [ 707.017848] ? __switch_to_asm+0x34/0x70 [ 707.021911] ? __switch_to_asm+0x40/0x70 [ 707.025966] ? __switch_to_asm+0x34/0x70 [ 707.030034] bpf_clone_redirect+0xb9/0x490 [ 707.034263] ? __schedule+0x8d7/0x21d0 [ 707.038149] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 707.043179] ? __sched_text_start+0x8/0x8 [ 707.047318] ? retint_kernel+0x2d/0x2d [ 707.051216] ? find_held_lock+0x36/0x1c0 [ 707.055279] ? lock_acquire+0x1ed/0x520 [ 707.059248] ? bpf_test_run+0x3cb/0x780 [ 707.063214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.068748] ? check_preemption_disabled+0x48/0x280 [ 707.073777] ? kasan_check_read+0x11/0x20 [ 707.077921] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 707.083196] ? rcu_softirq_qs+0x20/0x20 [ 707.087169] ? preempt_schedule+0x4d/0x60 [ 707.091316] ? ___preempt_schedule+0x16/0x18 [ 707.095724] ? bpf_test_run+0x25d/0x780 [ 707.099704] ? netlink_diag_dump+0x2a0/0x2a0 [ 707.104108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.109639] ? bpf_test_init.isra.10+0x70/0x100 [ 707.114762] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 707.119561] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 707.124398] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 707.129932] ? fput+0x130/0x1a0 [ 707.133208] ? __bpf_prog_get+0x9b/0x290 [ 707.137269] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 707.142207] ? bpf_prog_test_run+0x130/0x1a0 [ 707.146614] ? __x64_sys_bpf+0x3db/0x520 [ 707.150675] ? bpf_prog_get+0x20/0x20 [ 707.154507] ? do_syscall_64+0x1b9/0x820 [ 707.158566] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 707.163929] ? syscall_return_slowpath+0x5e0/0x5e0 [ 707.168853] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.173693] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.178728] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 707.183749] ? prepare_exit_to_usermode+0x291/0x3b0 [ 707.188766] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.193611] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 707.199001] warn_alloc_show_mem: 1 callbacks suppressed [ 707.199011] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 707.199013] Mem-Info: [ 707.199047] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 707.199047] active_file:32 inactive_file:0 isolated_file:0 [ 707.199047] unevictable:0 dirty:0 writeback:0 unstable:0 [ 707.199047] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 707.199047] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 707.199047] free:13730 free_pcp:227 free_cma:0 [ 707.204383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 707.211713] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 707.214110] Call Trace: [ 707.247143] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 707.256483] [ 707.284301] lowmem_reserve[]: 0 2818 6321 6321 [ 707.286889] dump_stack+0x244/0x39d [ 707.313436] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 707.315595] ? dump_stack_print_info.cold.1+0x20/0x20 [ 707.320143] lowmem_reserve[]: 0 0 3503 3503 [ 707.323768] warn_alloc.cold.116+0xb7/0x1bd [ 707.351227] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 707.356429] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 707.360731] lowmem_reserve[]: 0 0 0 0 [ 707.365058] ? lock_downgrade+0x900/0x900 [ 707.394200] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 707.399040] ? trace_hardirqs_off+0xb8/0x310 [ 707.402813] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 707.406975] ? trace_hardirqs_off+0xb8/0x310 [ 707.421097] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 707.425516] __alloc_pages_slowpath+0x26e8/0x2e10 [ 707.440225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 707.444636] ? warn_alloc+0x120/0x120 [ 707.458722] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 707.463554] ? warn_alloc+0x120/0x120 [ 707.472357] 6658 total pagecache pages [ 707.476144] ? warn_alloc+0x120/0x120 [ 707.484693] 0 pages in swap cache [ 707.488475] ? print_usage_bug+0xc0/0xc0 [ 707.492332] Swap cache stats: add 0, delete 0, find 0/0 [ 707.496118] ? print_usage_bug+0xc0/0xc0 [ 707.499544] Free swap = 0kB [ 707.503588] ? print_usage_bug+0xc0/0xc0 [ 707.508923] Total swap = 0kB [ 707.513238] ? print_usage_bug+0xc0/0xc0 [ 707.516231] 1965979 pages RAM [ 707.520275] ? print_usage_bug+0xc0/0xc0 [ 707.523261] 0 pages HighMem/MovableOnly [ 707.527308] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.530393] 342853 pages reserved [ 707.534443] ? should_fail+0x22d/0xd01 [ 707.538381] 0 pages cma reserved [ 707.543904] ? print_usage_bug+0xc0/0xc0 [ 707.558613] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 707.563728] ? __lock_acquire+0x62f/0x4c20 [ 707.567969] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 707.569569] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 707.573070] ? should_fail+0x22d/0xd01 [ 707.583361] kworker/1:0 cpuset=/ mems_allowed=0 [ 707.587240] ? zap_class+0x640/0x640 [ 707.595580] ? mark_held_locks+0x130/0x130 [ 707.599813] ? mark_held_locks+0x130/0x130 [ 707.604051] ? zap_class+0x640/0x640 [ 707.607760] ? mark_held_locks+0x130/0x130 [ 707.612242] ? try_to_wake_up+0x11c/0x1490 [ 707.616473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.622007] ? check_preemption_disabled+0x48/0x280 [ 707.627036] ? __lock_is_held+0xb5/0x140 [ 707.631095] __alloc_pages_nodemask+0xa80/0xde0 [ 707.635756] ? zap_class+0x640/0x640 [ 707.639477] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 707.644501] ? find_held_lock+0x36/0x1c0 [ 707.648565] ? ____cache_alloc_node+0x1c7/0x1e0 [ 707.653243] ? lock_downgrade+0x900/0x900 [ 707.657386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.662919] cache_grow_begin+0xa5/0x8c0 [ 707.667051] ? do_raw_spin_unlock+0xa7/0x330 [ 707.671541] fallback_alloc+0x204/0x2e0 [ 707.675513] ____cache_alloc_node+0x1c7/0x1e0 [ 707.680004] kmem_cache_alloc_node+0xe3/0x730 [ 707.684494] ? lockdep_hardirqs_on+0x296/0x5b0 [ 707.689074] __alloc_skb+0x119/0x770 [ 707.692777] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 707.698136] ? netdev_alloc_frag+0x1f0/0x1f0 [ 707.702540] ? lock_acquire+0x1ed/0x520 [ 707.706589] ? aoecmd_cfg+0x108/0x7f0 [ 707.710382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.716144] ? check_preemption_disabled+0x48/0x280 [ 707.721161] ? kasan_check_read+0x11/0x20 [ 707.725318] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 707.730605] ? rcu_softirq_qs+0x20/0x20 [ 707.734586] new_skb+0x26/0x1c0 [ 707.737860] aoecmd_cfg+0x279/0x7f0 [ 707.741492] ? find_held_lock+0x36/0x1c0 [ 707.745549] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 707.749870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.755402] ? check_preemption_disabled+0x48/0x280 [ 707.760432] ? __lock_is_held+0xb5/0x140 [ 707.764503] discover_timer+0x50/0x60 [ 707.768296] call_timer_fn+0x272/0x920 [ 707.772179] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 707.777034] ? process_timeout+0x40/0x40 [ 707.781092] ? mark_held_locks+0xc7/0x130 [ 707.785227] ? _raw_spin_unlock_irq+0x27/0x80 [ 707.789707] ? _raw_spin_unlock_irq+0x27/0x80 [ 707.794207] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 707.799041] ? lockdep_hardirqs_on+0x296/0x5b0 [ 707.803620] ? trace_hardirqs_on+0xbd/0x310 [ 707.807935] ? kasan_check_read+0x11/0x20 [ 707.812302] ? __run_timers+0x7da/0xc70 [ 707.816271] ? trace_hardirqs_off_caller+0x310/0x310 [ 707.821548] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 707.826383] __run_timers+0x7e5/0xc70 [ 707.830371] ? timer_fixup_init+0x70/0x70 [ 707.834517] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 707.839526] ? zap_class+0x640/0x640 [ 707.843237] ? print_usage_bug+0xc0/0xc0 [ 707.847310] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 707.852537] ? find_held_lock+0x36/0x1c0 [ 707.856598] ? zap_class+0x640/0x640 [ 707.860343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.865874] ? check_preemption_disabled+0x48/0x280 [ 707.870896] ? __lock_is_held+0xb5/0x140 [ 707.874950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.880484] ? check_preemption_disabled+0x48/0x280 [ 707.885497] run_timer_softirq+0x52/0xb0 [ 707.889564] ? rcu_read_lock_sched_held+0x14f/0x180 [ 707.894577] __do_softirq+0x308/0xb7e [ 707.898373] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 707.902865] ? lock_downgrade+0x900/0x900 [ 707.907008] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 707.912337] ? pvclock_read_flags+0x160/0x160 [ 707.916827] ? lapic_next_event+0x5a/0x90 [ 707.920969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.926505] ? kvm_clock_read+0x18/0x30 [ 707.930471] ? kvm_sched_clock_read+0x9/0x20 [ 707.934958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.940489] ? check_preemption_disabled+0x48/0x280 [ 707.945511] irq_exit+0x17f/0x1c0 [ 707.948964] smp_apic_timer_interrupt+0x1cb/0x760 [ 707.953799] ? smp_reschedule_interrupt+0x109/0x650 [ 707.958809] ? smp_call_function_single_interrupt+0x650/0x650 [ 707.964688] ? interrupt_entry+0xb5/0xc0 [ 707.968747] ? trace_hardirqs_off_caller+0xbb/0x310 [ 707.973775] ? trace_hardirqs_off_caller+0xbb/0x310 [ 707.978790] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.983626] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.988638] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.993650] ? task_prio+0x50/0x50 [ 707.997187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.002717] ? check_preemption_disabled+0x48/0x280 [ 708.007731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.012857] apic_timer_interrupt+0xf/0x20 [ 708.017197] [ 708.019452] RIP: 0010:console_unlock+0x102f/0x1190 [ 708.024381] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 708.043274] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 708.050989] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 708.058249] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 708.065513] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 708.072789] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 708.080050] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 708.087321] ? netconsole_netdev_event+0x280/0x280 [ 708.092249] ? console_unlock+0x1026/0x1190 [ 708.096577] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 708.101254] ? vprintk_emit+0x846/0x990 [ 708.105229] ? lock_release+0xa00/0xa00 [ 708.109198] ? trace_hardirqs_on+0x70/0x310 [ 708.113785] ? vprintk_default+0x28/0x30 [ 708.117927] ? trace_hardirqs_off_caller+0x310/0x310 [ 708.123031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.128567] vprintk_emit+0x391/0x990 [ 708.132368] ? wake_up_klogd+0x180/0x180 [ 708.136441] ? find_held_lock+0x11/0x1c0 [ 708.140502] ? mark_held_locks+0xc7/0x130 [ 708.144646] ? _raw_spin_unlock_irq+0x27/0x80 [ 708.149134] ? _raw_spin_unlock_irq+0x27/0x80 [ 708.153629] vprintk_default+0x28/0x30 [ 708.157508] vprintk_func+0x7e/0x181 [ 708.161219] printk+0xa7/0xcf [ 708.164324] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 708.169073] ? _raw_spin_unlock_irq+0x60/0x80 [ 708.173574] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 708.178853] dump_header+0x7cc/0xf72 [ 708.182575] ? pagefault_out_of_memory+0x197/0x197 [ 708.187499] ? __lock_acquire+0x62f/0x4c20 [ 708.191734] ? print_usage_bug+0xc0/0xc0 [ 708.195789] ? zap_class+0x640/0x640 [ 708.199491] ? zap_class+0x640/0x640 [ 708.203199] ? print_usage_bug+0xc0/0xc0 [ 708.207253] ? print_usage_bug+0xc0/0xc0 [ 708.211632] ? find_held_lock+0x36/0x1c0 [ 708.215702] ? mark_held_locks+0xc7/0x130 [ 708.219847] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 708.224944] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 708.230041] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 708.234625] ? trace_hardirqs_on+0xbd/0x310 [ 708.238941] ? kasan_check_read+0x11/0x20 [ 708.243087] ? ___ratelimit+0x3b4/0x672 [ 708.247057] ? trace_hardirqs_off_caller+0x310/0x310 [ 708.252155] ? trace_hardirqs_on+0x310/0x310 [ 708.256553] ? lock_downgrade+0x900/0x900 [ 708.260734] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 708.265828] ? ___ratelimit+0x3b9/0x672 [ 708.269796] ? idr_get_free+0xf70/0xf70 [ 708.273762] ? kasan_check_read+0x11/0x20 [ 708.277908] ? do_raw_spin_unlock+0xa7/0x330 [ 708.282310] oom_kill_process.cold.27+0x10/0x903 [ 708.287054] ? zap_class+0x640/0x640 [ 708.290758] ? _raw_spin_unlock+0x2c/0x50 [ 708.294894] ? oom_badness+0xe6/0xaa0 [ 708.298689] ? oom_evaluate_task+0x540/0x540 [ 708.303090] ? find_held_lock+0x36/0x1c0 [ 708.307146] ? out_of_memory+0x974/0x1430 [ 708.311603] ? lock_downgrade+0x900/0x900 [ 708.315744] ? check_preemption_disabled+0x48/0x280 [ 708.320758] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 708.325683] ? kasan_check_read+0x11/0x20 [ 708.329821] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 708.335092] ? rcu_softirq_qs+0x20/0x20 [ 708.339066] ? kasan_check_write+0x14/0x20 [ 708.343294] ? oom_evaluate_task+0x302/0x540 [ 708.347703] out_of_memory+0xa84/0x1430 [ 708.351678] ? oom_killer_disable+0x3a0/0x3a0 [ 708.356171] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 708.361103] ? __ww_mutex_check_waiters+0x160/0x160 [ 708.366123] __alloc_pages_slowpath+0x2354/0x2e10 [ 708.371000] ? warn_alloc+0x120/0x120 [ 708.374792] ? mark_held_locks+0x130/0x130 [ 708.379028] ? find_get_entry+0xaae/0x1120 [ 708.383262] ? filemap_map_pages+0x1a20/0x1a20 [ 708.387839] ? zap_class+0x640/0x640 [ 708.391556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.397088] ? check_preemption_disabled+0x48/0x280 [ 708.402106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.407639] ? should_fail+0x22d/0xd01 [ 708.411883] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 708.416979] ? zap_class+0x640/0x640 [ 708.420796] ? __lock_is_held+0xb5/0x140 [ 708.424859] ? mark_held_locks+0x130/0x130 [ 708.429110] ? lock_release+0xa00/0xa00 [ 708.433082] ? perf_trace_sched_process_exec+0x860/0x860 [ 708.438529] ? xa_load+0x2ba/0x460 [ 708.442066] ? lock_downgrade+0x900/0x900 [ 708.446234] ? __might_sleep+0x95/0x190 [ 708.450207] __alloc_pages_nodemask+0xa80/0xde0 [ 708.454881] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 708.459896] ? __page_cache_alloc+0x191/0x5c0 [ 708.464414] ? xa_load+0x2e1/0x460 [ 708.467960] ? xa_clear_mark+0x40/0x40 [ 708.471840] ? zap_class+0x640/0x640 [ 708.475554] ? zap_class+0x640/0x640 [ 708.479263] ? zap_class+0x640/0x640 [ 708.482976] ? __do_page_cache_readahead+0x663/0x810 [ 708.488086] ? find_held_lock+0x36/0x1c0 [ 708.492145] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 708.497768] alloc_pages_current+0x173/0x350 [ 708.502175] __page_cache_alloc+0x38c/0x5c0 [ 708.506489] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 708.511732] ? kasan_check_read+0x11/0x20 [ 708.515873] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 708.521146] ? generic_perform_write+0x6a0/0x6a0 [ 708.525896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.531435] ? check_preemption_disabled+0x48/0x280 [ 708.536456] filemap_fault+0x1595/0x25f0 [ 708.540523] ? __lock_page_or_retry+0xa00/0xa00 [ 708.545187] ? mark_held_locks+0x130/0x130 [ 708.549434] ? filemap_map_pages+0xd6b/0x1a20 [ 708.553936] ? lock_downgrade+0x900/0x900 [ 708.558077] ? check_preemption_disabled+0x48/0x280 [ 708.563089] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 708.568014] ? kasan_check_read+0x11/0x20 [ 708.572156] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 708.577440] ? rcu_softirq_qs+0x20/0x20 [ 708.581450] ? filemap_map_pages+0xd92/0x1a20 [ 708.585953] ? find_get_entries_tag+0x1400/0x1400 [ 708.590789] ? futex_wake+0x760/0x760 [ 708.594598] ? lock_acquire+0x1ed/0x520 [ 708.598568] ? ext4_filemap_fault+0x7a/0xad [ 708.602887] ? lock_release+0xa00/0xa00 [ 708.606852] ? perf_trace_sched_process_exec+0x860/0x860 [ 708.612555] ? print_usage_bug+0xc0/0xc0 [ 708.616625] ? print_usage_bug+0xc0/0xc0 [ 708.620686] ? down_read+0x8d/0x120 [ 708.624313] ? ext4_filemap_fault+0x7a/0xad [ 708.628627] ? __down_interruptible+0x700/0x700 [ 708.633298] ext4_filemap_fault+0x82/0xad [ 708.637448] __do_fault+0x100/0x6b0 [ 708.641070] ? pmd_devmap_trans_unstable+0x220/0x220 [ 708.646168] ? mark_held_locks+0x130/0x130 [ 708.650403] ? mark_held_locks+0x130/0x130 [ 708.654648] ? __might_fault+0x12b/0x1e0 [ 708.658699] ? lock_downgrade+0x900/0x900 [ 708.663047] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.668583] __handle_mm_fault+0x3ea0/0x5be0 [ 708.672992] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 708.677853] ? kasan_check_read+0x11/0x20 [ 708.681993] ? _copy_to_user+0xc8/0x110 [ 708.685966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.691513] ? zap_class+0x640/0x640 [ 708.695232] ? zap_class+0x640/0x640 [ 708.698950] ? find_held_lock+0x36/0x1c0 [ 708.703014] ? handle_mm_fault+0x42a/0xc70 [ 708.707242] ? lock_downgrade+0x900/0x900 [ 708.711604] ? check_preemption_disabled+0x48/0x280 [ 708.716613] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 708.721530] ? kasan_check_read+0x11/0x20 [ 708.725671] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 708.730961] ? rcu_softirq_qs+0x20/0x20 [ 708.734941] ? trace_hardirqs_off_caller+0x310/0x310 [ 708.740037] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.745568] ? check_preemption_disabled+0x48/0x280 [ 708.750578] handle_mm_fault+0x54f/0xc70 [ 708.754630] ? __handle_mm_fault+0x5be0/0x5be0 [ 708.759212] ? find_vma+0x34/0x190 [ 708.762747] __do_page_fault+0x5e8/0xe60 [ 708.766812] ? trace_hardirqs_off+0xb8/0x310 [ 708.771222] do_page_fault+0xf2/0x7e0 [ 708.775014] ? vmalloc_sync_all+0x30/0x30 [ 708.779158] ? error_entry+0x70/0xd0 [ 708.782864] ? trace_hardirqs_off_caller+0xbb/0x310 [ 708.787870] ? trace_hardirqs_on_caller+0xc0/0x310 [ 708.793427] ? syscall_return_slowpath+0x5e0/0x5e0 [ 708.798347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.803183] ? trace_hardirqs_on_caller+0x310/0x310 [ 708.808198] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 708.813921] ? prepare_exit_to_usermode+0x291/0x3b0 [ 708.818927] ? page_fault+0x8/0x30 [ 708.822460] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.827298] ? page_fault+0x8/0x30 [ 708.830832] page_fault+0x1e/0x30 [ 708.834271] RIP: 0033:0x407e06 [ 708.837467] Code: Bad RIP value. [ 708.840824] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 708.846172] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 708.853435] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 708.860699] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 708.867973] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 708.875242] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 708.882530] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 708.882593] aoe: skb alloc failure [ 708.889457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 708.889475] Workqueue: events_power_efficient neigh_periodic_work [ 708.893047] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 708.902328] Call Trace: [ 708.908538] syz-fuzzer cpuset=/ mems_allowed=0 [ 708.919202] dump_stack+0x244/0x39d [ 708.929942] ? dump_stack_print_info.cold.1+0x20/0x20 [ 708.935139] warn_alloc.cold.116+0xb7/0x1bd [ 708.939454] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 708.944294] ? lock_downgrade+0x900/0x900 [ 708.948444] ? trace_hardirqs_off+0xb8/0x310 [ 708.952853] ? trace_hardirqs_off+0xb8/0x310 [ 708.957266] __alloc_pages_slowpath+0x26e8/0x2e10 [ 708.962135] ? warn_alloc+0x120/0x120 [ 708.965936] ? warn_alloc+0x120/0x120 [ 708.969736] ? check_preemption_disabled+0x48/0x280 [ 708.974751] ? warn_alloc+0x120/0x120 [ 708.978543] ? zap_class+0x640/0x640 [ 708.982254] ? print_usage_bug+0xc0/0xc0 [ 708.986320] ? print_usage_bug+0xc0/0xc0 [ 708.990380] ? __lock_acquire+0x62f/0x4c20 [ 708.994624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.000155] ? should_fail+0x22d/0xd01 [ 709.004044] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 709.009147] ? __lock_acquire+0x62f/0x4c20 [ 709.013644] ? __lock_acquire+0x62f/0x4c20 [ 709.017957] ? should_fail+0x22d/0xd01 [ 709.021854] ? mark_held_locks+0x130/0x130 [ 709.026183] ? mark_held_locks+0x130/0x130 [ 709.030422] ? pick_next_task_fair+0xa05/0x1b30 [ 709.035083] ? rcu_read_lock_sched_held+0x14f/0x180 [ 709.040092] ? zap_class+0x640/0x640 [ 709.043805] ? zap_class+0x640/0x640 [ 709.047517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.053047] ? check_preemption_disabled+0x48/0x280 [ 709.058064] ? __lock_is_held+0xb5/0x140 [ 709.062126] __alloc_pages_nodemask+0xa80/0xde0 [ 709.066806] ? zap_class+0x640/0x640 [ 709.070629] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 709.075648] ? find_held_lock+0x36/0x1c0 [ 709.079712] ? ____cache_alloc_node+0x1c7/0x1e0 [ 709.084387] ? lock_downgrade+0x900/0x900 [ 709.088539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.094073] cache_grow_begin+0xa5/0x8c0 [ 709.098123] ? do_raw_spin_unlock+0xa7/0x330 [ 709.102548] fallback_alloc+0x204/0x2e0 [ 709.106522] ____cache_alloc_node+0x1c7/0x1e0 [ 709.111790] kmem_cache_alloc_node+0xe3/0x730 [ 709.116281] ? zap_class+0x640/0x640 [ 709.119992] ? __sched_text_start+0x8/0x8 [ 709.124140] __alloc_skb+0x119/0x770 [ 709.127866] ? zap_class+0x640/0x640 [ 709.131579] ? netdev_alloc_frag+0x1f0/0x1f0 [ 709.135984] ? neigh_periodic_work+0x8ca/0xc60 [ 709.140559] ? lock_downgrade+0x900/0x900 [ 709.144709] ? kasan_check_read+0x11/0x20 [ 709.148844] ? do_raw_write_lock+0x14f/0x310 [ 709.153251] __neigh_notify+0x8c/0x160 [ 709.157134] neigh_cleanup_and_release+0x7b/0xe0 [ 709.161885] neigh_periodic_work+0x8d2/0xc60 [ 709.166300] ? neigh_table_clear+0x390/0x390 [ 709.170709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.176243] ? check_preemption_disabled+0x48/0x280 [ 709.181259] ? __lock_is_held+0xb5/0x140 [ 709.185345] process_one_work+0xc90/0x1c40 [ 709.189569] ? mark_held_locks+0x130/0x130 [ 709.193808] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 709.198473] ? __switch_to_asm+0x40/0x70 [ 709.202524] ? __switch_to_asm+0x40/0x70 [ 709.206580] ? __switch_to_asm+0x34/0x70 [ 709.210911] ? __switch_to_asm+0x40/0x70 [ 709.214984] ? __switch_to_asm+0x34/0x70 [ 709.219048] ? __switch_to_asm+0x40/0x70 [ 709.223096] ? __switch_to_asm+0x34/0x70 [ 709.227254] ? __switch_to_asm+0x40/0x70 [ 709.231343] ? __schedule+0x8d7/0x21d0 [ 709.235236] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 709.239836] ? zap_class+0x640/0x640 [ 709.243550] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 709.248307] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 709.252897] ? lock_acquire+0x1ed/0x520 [ 709.256862] ? worker_thread+0x3e0/0x1390 [ 709.261015] ? kasan_check_read+0x11/0x20 [ 709.265166] ? do_raw_spin_lock+0x14f/0x350 [ 709.269493] ? kasan_check_read+0x11/0x20 [ 709.273638] ? rwlock_bug.part.2+0x90/0x90 [ 709.277867] ? trace_hardirqs_on+0x310/0x310 [ 709.282431] worker_thread+0x17f/0x1390 [ 709.286405] ? __switch_to_asm+0x34/0x70 [ 709.290515] ? process_one_work+0x1c40/0x1c40 [ 709.295021] ? __sched_text_start+0x8/0x8 [ 709.299185] ? __kthread_parkme+0xce/0x1a0 [ 709.303425] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 709.308522] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 709.314549] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 709.319132] ? trace_hardirqs_on+0xbd/0x310 [ 709.323452] ? kasan_check_read+0x11/0x20 [ 709.327598] ? __kthread_parkme+0xce/0x1a0 [ 709.331846] ? trace_hardirqs_off_caller+0x310/0x310 [ 709.336955] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 709.342057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.347589] ? __kthread_parkme+0xfb/0x1a0 [ 709.351820] ? process_one_work+0x1c40/0x1c40 [ 709.356313] kthread+0x35a/0x440 [ 709.359676] ? kthread_stop+0x900/0x900 [ 709.363647] ret_from_fork+0x3a/0x50 [ 709.367384] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 709.367389] warn_alloc_show_mem: 1 callbacks suppressed [ 709.367399] Mem-Info: [ 709.374408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 709.379769] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 709.379769] active_file:32 inactive_file:0 isolated_file:0 [ 709.379769] unevictable:0 dirty:0 writeback:0 unstable:0 [ 709.379769] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 709.379769] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 709.379769] free:13730 free_pcp:227 free_cma:0 [ 709.382138] Call Trace: [ 709.391520] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 709.424857] [ 709.427422] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 709.455251] dump_stack+0x244/0x39d [ 709.457382] lowmem_reserve[]: 0 2818 6321 6321 [ 709.483500] ? dump_stack_print_info.cold.1+0x20/0x20 [ 709.487222] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 709.491800] warn_alloc.cold.116+0xb7/0x1bd [ 709.496950] lowmem_reserve[]: 0 0 3503 3503 [ 709.524818] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 709.529114] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 709.533425] ? lock_downgrade+0x900/0x900 [ 709.538234] lowmem_reserve[]: 0 0 0 0 [ 709.567287] ? trace_hardirqs_off+0xb8/0x310 [ 709.571400] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 709.575192] ? trace_hardirqs_off+0xb8/0x310 [ 709.579566] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 709.593083] __alloc_pages_slowpath+0x26e8/0x2e10 [ 709.597456] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 709.612431] ? warn_alloc+0x120/0x120 [ 709.617228] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 709.631338] ? warn_alloc+0x120/0x120 [ 709.635108] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 709.643920] ? warn_alloc+0x120/0x120 [ 709.647688] 6658 total pagecache pages [ 709.656246] ? print_usage_bug+0xc0/0xc0 [ 709.660022] 0 pages in swap cache [ 709.664334] ? print_usage_bug+0xc0/0xc0 [ 709.668368] Swap cache stats: add 0, delete 0, find 0/0 [ 709.671799] ? ktime_get+0x2c1/0x400 [ 709.675825] Free swap = 0kB [ 709.681171] ? check_preemption_disabled+0x48/0x280 [ 709.684848] Total swap = 0kB [ 709.687842] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 709.687857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.692836] 1965979 pages RAM [ 709.695840] ? should_fail+0x22d/0xd01 [ 709.700305] 0 pages HighMem/MovableOnly [ 709.705845] ? kasan_check_read+0x11/0x20 [ 709.708919] 342853 pages reserved [ 709.713025] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 709.716967] 0 pages cma reserved [ 709.721114] ? __lock_acquire+0x62f/0x4c20 [ 709.737226] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 709.742329] ? should_fail+0x22d/0xd01 [ 709.746241] ? print_usage_bug+0xc0/0xc0 [ 709.746742] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 709.750299] ? mark_held_locks+0x130/0x130 [ 709.760843] syz-executor0 cpuset=syz0 mems_allowed=0 [ 709.765061] ? mark_held_locks+0x130/0x130 [ 709.774368] ? check_preemption_disabled+0x48/0x280 [ 709.779481] ? zap_class+0x640/0x640 [ 709.783283] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 709.788045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.793580] ? check_preemption_disabled+0x48/0x280 [ 709.798598] ? __lock_is_held+0xb5/0x140 [ 709.802655] __alloc_pages_nodemask+0xa80/0xde0 [ 709.807314] ? zap_class+0x640/0x640 [ 709.811032] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 709.816326] ? find_held_lock+0x36/0x1c0 [ 709.820438] ? ____cache_alloc_node+0x1c7/0x1e0 [ 709.825103] ? lock_downgrade+0x900/0x900 [ 709.829398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.834936] cache_grow_begin+0xa5/0x8c0 [ 709.838987] ? do_raw_spin_unlock+0xa7/0x330 [ 709.843397] fallback_alloc+0x204/0x2e0 [ 709.847385] ____cache_alloc_node+0x1c7/0x1e0 [ 709.851879] kmem_cache_alloc_node+0xe3/0x730 [ 709.856377] ? lockdep_hardirqs_on+0x296/0x5b0 [ 709.860956] __alloc_skb+0x119/0x770 [ 709.864662] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 709.870022] ? netdev_alloc_frag+0x1f0/0x1f0 [ 709.874434] ? vprintk_default+0x28/0x30 [ 709.878492] ? vprintk_func+0x85/0x181 [ 709.882402] ? printk+0xa7/0xcf [ 709.885676] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 709.890439] new_skb+0x26/0x1c0 [ 709.893714] aoecmd_cfg+0x279/0x7f0 [ 709.897336] ? find_held_lock+0x36/0x1c0 [ 709.901400] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 709.905744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.911295] ? __lock_is_held+0xb5/0x140 [ 709.915730] discover_timer+0x50/0x60 [ 709.919525] call_timer_fn+0x272/0x920 [ 709.923401] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 709.928235] ? process_timeout+0x40/0x40 [ 709.932312] ? mark_held_locks+0xc7/0x130 [ 709.936454] ? _raw_spin_unlock_irq+0x27/0x80 [ 709.941029] ? _raw_spin_unlock_irq+0x27/0x80 [ 709.945518] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 709.950346] ? lockdep_hardirqs_on+0x296/0x5b0 [ 709.954943] ? trace_hardirqs_on+0xbd/0x310 [ 709.959278] ? kasan_check_read+0x11/0x20 [ 709.963418] ? __run_timers+0x7da/0xc70 [ 709.967474] ? trace_hardirqs_off_caller+0x310/0x310 [ 709.972584] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 709.977440] __run_timers+0x7e5/0xc70 [ 709.981243] ? timer_fixup_init+0x70/0x70 [ 709.985400] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 709.990412] ? zap_class+0x640/0x640 [ 709.994126] ? print_usage_bug+0xc0/0xc0 [ 709.998183] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 710.003382] ? find_held_lock+0x36/0x1c0 [ 710.007446] ? zap_class+0x640/0x640 [ 710.011163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.016921] ? check_preemption_disabled+0x48/0x280 [ 710.021936] ? __lock_is_held+0xb5/0x140 [ 710.025990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.031521] ? check_preemption_disabled+0x48/0x280 [ 710.036531] run_timer_softirq+0x52/0xb0 [ 710.040582] ? rcu_read_lock_sched_held+0x14f/0x180 [ 710.045683] __do_softirq+0x308/0xb7e [ 710.049568] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 710.054054] ? lock_downgrade+0x900/0x900 [ 710.058218] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 710.063331] ? pvclock_read_flags+0x160/0x160 [ 710.067829] ? lapic_next_event+0x5a/0x90 [ 710.071988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.077529] ? kvm_clock_read+0x18/0x30 [ 710.081493] ? kvm_sched_clock_read+0x9/0x20 [ 710.085892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.091426] ? check_preemption_disabled+0x48/0x280 [ 710.096446] irq_exit+0x17f/0x1c0 [ 710.099893] smp_apic_timer_interrupt+0x1cb/0x760 [ 710.104722] ? smp_reschedule_interrupt+0x109/0x650 [ 710.109727] ? smp_call_function_single_interrupt+0x650/0x650 [ 710.115838] ? interrupt_entry+0xb5/0xc0 [ 710.119897] ? trace_hardirqs_off_caller+0xbb/0x310 [ 710.124903] ? trace_hardirqs_off_caller+0xbb/0x310 [ 710.129911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 710.134751] ? trace_hardirqs_on_caller+0x310/0x310 [ 710.139755] ? trace_hardirqs_on_caller+0x310/0x310 [ 710.144760] ? task_prio+0x50/0x50 [ 710.148297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.153831] ? check_preemption_disabled+0x48/0x280 [ 710.158841] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 710.163686] apic_timer_interrupt+0xf/0x20 [ 710.167907] [ 710.170143] RIP: 0010:console_unlock+0x102f/0x1190 [ 710.175080] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 710.193970] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 710.201669] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 710.208933] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 710.216467] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 710.223731] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 710.231013] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 710.238288] ? netconsole_netdev_event+0x280/0x280 [ 710.243213] ? console_unlock+0x1026/0x1190 [ 710.247542] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 710.252200] ? vprintk_emit+0x846/0x990 [ 710.256170] ? lock_release+0xa00/0xa00 [ 710.260140] ? trace_hardirqs_on+0x70/0x310 [ 710.264468] ? vprintk_default+0x28/0x30 [ 710.268527] ? trace_hardirqs_off_caller+0x310/0x310 [ 710.273626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.279176] vprintk_emit+0x391/0x990 [ 710.282970] ? wake_up_klogd+0x180/0x180 [ 710.287027] ? find_held_lock+0x11/0x1c0 [ 710.291208] ? mark_held_locks+0xc7/0x130 [ 710.295363] ? _raw_spin_unlock_irq+0x27/0x80 [ 710.299851] ? _raw_spin_unlock_irq+0x27/0x80 [ 710.304359] vprintk_default+0x28/0x30 [ 710.308240] vprintk_func+0x7e/0x181 [ 710.312183] printk+0xa7/0xcf [ 710.315283] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 710.320033] ? _raw_spin_unlock_irq+0x60/0x80 [ 710.324532] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 710.329808] dump_header+0x7cc/0xf72 [ 710.333526] ? pagefault_out_of_memory+0x197/0x197 [ 710.338460] ? __lock_acquire+0x62f/0x4c20 [ 710.342695] ? print_usage_bug+0xc0/0xc0 [ 710.346752] ? zap_class+0x640/0x640 [ 710.350458] ? zap_class+0x640/0x640 [ 710.354187] ? print_usage_bug+0xc0/0xc0 [ 710.358242] ? print_usage_bug+0xc0/0xc0 [ 710.362303] ? find_held_lock+0x36/0x1c0 [ 710.366375] ? mark_held_locks+0xc7/0x130 [ 710.370529] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 710.375640] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 710.380735] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 710.385331] ? trace_hardirqs_on+0xbd/0x310 [ 710.389657] ? kasan_check_read+0x11/0x20 [ 710.393797] ? ___ratelimit+0x3b4/0x672 [ 710.397762] ? trace_hardirqs_off_caller+0x310/0x310 [ 710.402855] ? trace_hardirqs_on+0x310/0x310 [ 710.407374] ? lock_downgrade+0x900/0x900 [ 710.411518] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 710.416892] ? ___ratelimit+0x3b9/0x672 [ 710.420857] ? idr_get_free+0xf70/0xf70 [ 710.424824] ? kasan_check_read+0x11/0x20 [ 710.428960] ? do_raw_spin_unlock+0xa7/0x330 [ 710.433376] oom_kill_process.cold.27+0x10/0x903 [ 710.438211] ? zap_class+0x640/0x640 [ 710.441914] ? _raw_spin_unlock+0x2c/0x50 [ 710.446061] ? oom_badness+0xe6/0xaa0 [ 710.449858] ? oom_evaluate_task+0x540/0x540 [ 710.454260] ? find_held_lock+0x36/0x1c0 [ 710.458322] ? out_of_memory+0x974/0x1430 [ 710.462479] ? lock_downgrade+0x900/0x900 [ 710.466621] ? check_preemption_disabled+0x48/0x280 [ 710.471631] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 710.476554] ? kasan_check_read+0x11/0x20 [ 710.480694] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 710.485962] ? rcu_softirq_qs+0x20/0x20 [ 710.489929] ? kasan_check_write+0x14/0x20 [ 710.494158] ? oom_evaluate_task+0x302/0x540 [ 710.498565] out_of_memory+0xa84/0x1430 [ 710.502539] ? oom_killer_disable+0x3a0/0x3a0 [ 710.507115] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 710.512357] ? __ww_mutex_check_waiters+0x160/0x160 [ 710.517399] __alloc_pages_slowpath+0x2354/0x2e10 [ 710.522259] ? warn_alloc+0x120/0x120 [ 710.526073] ? mark_held_locks+0x130/0x130 [ 710.530307] ? find_get_entry+0xaae/0x1120 [ 710.534548] ? filemap_map_pages+0x1a20/0x1a20 [ 710.539127] ? zap_class+0x640/0x640 [ 710.542839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.548377] ? check_preemption_disabled+0x48/0x280 [ 710.553410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.558945] ? should_fail+0x22d/0xd01 [ 710.562843] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 710.567939] ? zap_class+0x640/0x640 [ 710.571670] ? __lock_is_held+0xb5/0x140 [ 710.575734] ? mark_held_locks+0x130/0x130 [ 710.579968] ? lock_release+0xa00/0xa00 [ 710.583937] ? perf_trace_sched_process_exec+0x860/0x860 [ 710.589385] ? xa_load+0x2ba/0x460 [ 710.592919] ? lock_downgrade+0x900/0x900 [ 710.597067] ? __might_sleep+0x95/0x190 [ 710.601040] __alloc_pages_nodemask+0xa80/0xde0 [ 710.605712] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 710.610873] ? __page_cache_alloc+0x191/0x5c0 [ 710.615574] ? xa_load+0x2e1/0x460 [ 710.619111] ? xa_clear_mark+0x40/0x40 [ 710.622994] ? zap_class+0x640/0x640 [ 710.626708] ? zap_class+0x640/0x640 [ 710.630414] ? zap_class+0x640/0x640 [ 710.634121] ? __do_page_cache_readahead+0x663/0x810 [ 710.639225] ? find_held_lock+0x36/0x1c0 [ 710.643281] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 710.648911] alloc_pages_current+0x173/0x350 [ 710.653322] __page_cache_alloc+0x38c/0x5c0 [ 710.657648] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 710.662897] ? kasan_check_read+0x11/0x20 [ 710.667053] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 710.672339] ? generic_perform_write+0x6a0/0x6a0 [ 710.677101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.682638] ? check_preemption_disabled+0x48/0x280 [ 710.687660] filemap_fault+0x1595/0x25f0 [ 710.691732] ? __lock_page_or_retry+0xa00/0xa00 [ 710.696401] ? mark_held_locks+0x130/0x130 [ 710.700646] ? filemap_map_pages+0xd6b/0x1a20 [ 710.705139] ? lock_downgrade+0x900/0x900 [ 710.709282] ? check_preemption_disabled+0x48/0x280 [ 710.714568] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 710.719489] ? kasan_check_read+0x11/0x20 [ 710.723635] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 710.728997] ? rcu_softirq_qs+0x20/0x20 [ 710.732976] ? filemap_map_pages+0xd92/0x1a20 [ 710.737482] ? find_get_entries_tag+0x1400/0x1400 [ 710.742352] ? futex_wake+0x760/0x760 [ 710.746157] ? lock_acquire+0x1ed/0x520 [ 710.750211] ? ext4_filemap_fault+0x7a/0xad [ 710.754529] ? lock_release+0xa00/0xa00 [ 710.758497] ? perf_trace_sched_process_exec+0x860/0x860 [ 710.763941] ? print_usage_bug+0xc0/0xc0 [ 710.767996] ? print_usage_bug+0xc0/0xc0 [ 710.772192] ? down_read+0x8d/0x120 [ 710.775813] ? ext4_filemap_fault+0x7a/0xad [ 710.780127] ? __down_interruptible+0x700/0x700 [ 710.784793] ext4_filemap_fault+0x82/0xad [ 710.788936] __do_fault+0x100/0x6b0 [ 710.792559] ? pmd_devmap_trans_unstable+0x220/0x220 [ 710.798317] ? mark_held_locks+0x130/0x130 [ 710.802557] ? mark_held_locks+0x130/0x130 [ 710.806780] ? __might_fault+0x12b/0x1e0 [ 710.810836] ? lock_downgrade+0x900/0x900 [ 710.815217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.820753] __handle_mm_fault+0x3ea0/0x5be0 [ 710.825162] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 710.830005] ? kasan_check_read+0x11/0x20 [ 710.834151] ? _copy_to_user+0xc8/0x110 [ 710.838138] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.843678] ? zap_class+0x640/0x640 [ 710.847384] ? zap_class+0x640/0x640 [ 710.851099] ? find_held_lock+0x36/0x1c0 [ 710.855156] ? handle_mm_fault+0x42a/0xc70 [ 710.859381] ? lock_downgrade+0x900/0x900 [ 710.863518] ? check_preemption_disabled+0x48/0x280 [ 710.868528] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 710.873445] ? kasan_check_read+0x11/0x20 [ 710.877585] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 710.882854] ? rcu_softirq_qs+0x20/0x20 [ 710.886836] ? trace_hardirqs_off_caller+0x310/0x310 [ 710.891954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.897508] ? check_preemption_disabled+0x48/0x280 [ 710.902541] handle_mm_fault+0x54f/0xc70 [ 710.906598] ? __handle_mm_fault+0x5be0/0x5be0 [ 710.911175] ? find_vma+0x34/0x190 [ 710.914940] __do_page_fault+0x5e8/0xe60 [ 710.918994] ? trace_hardirqs_off+0xb8/0x310 [ 710.923403] do_page_fault+0xf2/0x7e0 [ 710.927199] ? vmalloc_sync_all+0x30/0x30 [ 710.931354] ? error_entry+0x70/0xd0 [ 710.935061] ? trace_hardirqs_off_caller+0xbb/0x310 [ 710.940082] ? trace_hardirqs_on_caller+0xc0/0x310 [ 710.945000] ? syscall_return_slowpath+0x5e0/0x5e0 [ 710.949917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 710.954757] ? trace_hardirqs_on_caller+0x310/0x310 [ 710.959808] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 710.965253] ? prepare_exit_to_usermode+0x291/0x3b0 [ 710.970263] ? page_fault+0x8/0x30 [ 710.973813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 710.978651] ? page_fault+0x8/0x30 [ 710.982187] page_fault+0x1e/0x30 [ 710.985638] RIP: 0033:0x407e06 [ 710.988837] Code: Bad RIP value. [ 710.992195] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 710.997635] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 711.004897] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 711.012378] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 711.019651] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 711.026930] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 711.034218] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 711.034278] aoe: skb alloc failure [ 711.041485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 711.041490] Call Trace: [ 711.041509] dump_stack+0x244/0x39d [ 711.041529] ? dump_stack_print_info.cold.1+0x20/0x20 [ 711.045084] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 711.054408] warn_alloc.cold.116+0xb7/0x1bd [ 711.056950] syz-fuzzer cpuset=/ mems_allowed=0 [ 711.060560] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 711.089785] ? lock_downgrade+0x900/0x900 [ 711.093933] ? trace_hardirqs_off+0xb8/0x310 [ 711.098343] ? trace_hardirqs_off+0xb8/0x310 [ 711.102752] __alloc_pages_slowpath+0x26e8/0x2e10 [ 711.107650] ? warn_alloc+0x120/0x120 [ 711.111869] ? zap_class+0x640/0x640 [ 711.115575] ? warn_alloc+0x120/0x120 [ 711.119372] ? warn_alloc+0x120/0x120 [ 711.123168] ? print_usage_bug+0xc0/0xc0 [ 711.127220] ? print_usage_bug+0xc0/0xc0 [ 711.131271] ? cpuacct_charge+0x265/0x440 [ 711.135417] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.140945] ? should_fail+0x22d/0xd01 [ 711.144829] ? find_held_lock+0x36/0x1c0 [ 711.148983] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 711.154084] ? __lock_acquire+0x62f/0x4c20 [ 711.158326] ? should_fail+0x22d/0xd01 [ 711.162231] ? __update_load_avg_blocked_se+0x690/0x690 [ 711.167617] ? mark_held_locks+0x130/0x130 [ 711.171847] ? mark_held_locks+0x130/0x130 [ 711.176081] ? __lock_acquire+0x62f/0x4c20 [ 711.180320] ? update_load_avg+0x387/0x2470 [ 711.184636] ? zap_class+0x640/0x640 [ 711.188348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.193880] ? check_preemption_disabled+0x48/0x280 [ 711.198900] ? __lock_is_held+0xb5/0x140 [ 711.202988] __alloc_pages_nodemask+0xa80/0xde0 [ 711.207645] ? zap_class+0x640/0x640 [ 711.211868] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 711.216889] ? find_held_lock+0x36/0x1c0 [ 711.220957] ? ____cache_alloc_node+0x1c7/0x1e0 [ 711.225631] ? lock_downgrade+0x900/0x900 [ 711.229778] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 711.235321] cache_grow_begin+0xa5/0x8c0 [ 711.239375] ? do_raw_spin_unlock+0xa7/0x330 [ 711.243795] fallback_alloc+0x204/0x2e0 [ 711.247773] ____cache_alloc_node+0x1c7/0x1e0 [ 711.252268] kmem_cache_alloc+0x1f8/0x730 [ 711.256425] skb_clone+0x1bb/0x500 [ 711.259956] ? finish_task_switch+0x1b4/0x910 [ 711.264442] ? skb_split+0x11e0/0x11e0 [ 711.268340] ? preempt_notifier_register+0x200/0x200 [ 711.273431] ? __switch_to_asm+0x34/0x70 [ 711.277498] ? __switch_to_asm+0x34/0x70 [ 711.281559] ? __switch_to_asm+0x40/0x70 [ 711.285612] ? __switch_to_asm+0x34/0x70 [ 711.289672] ? __switch_to_asm+0x40/0x70 [ 711.293722] ? __switch_to_asm+0x34/0x70 [ 711.297774] ? __switch_to_asm+0x40/0x70 [ 711.301832] ? __switch_to_asm+0x34/0x70 [ 711.305978] ? __switch_to_asm+0x34/0x70 [ 711.310039] ? __switch_to_asm+0x40/0x70 [ 711.314575] ? __switch_to_asm+0x34/0x70 [ 711.318642] bpf_clone_redirect+0xb9/0x490 [ 711.322876] ? __schedule+0x8d7/0x21d0 [ 711.326764] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 711.331793] ? __sched_text_start+0x8/0x8 [ 711.335952] ? retint_kernel+0x2d/0x2d [ 711.339845] ? find_held_lock+0x36/0x1c0 [ 711.343909] ? lock_acquire+0x1ed/0x520 [ 711.347900] ? bpf_test_run+0x3cb/0x780 [ 711.351885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.357432] ? check_preemption_disabled+0x48/0x280 [ 711.362453] ? kasan_check_read+0x11/0x20 [ 711.366598] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 711.371868] ? rcu_softirq_qs+0x20/0x20 [ 711.375835] ? preempt_schedule+0x4d/0x60 [ 711.379977] ? ___preempt_schedule+0x16/0x18 [ 711.384390] ? bpf_test_run+0x25d/0x780 [ 711.388370] ? netlink_diag_dump+0x2a0/0x2a0 [ 711.392782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.398404] ? bpf_test_init.isra.10+0x70/0x100 [ 711.403074] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 711.407840] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 711.413171] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 711.418703] ? fput+0x130/0x1a0 [ 711.421992] ? __bpf_prog_get+0x9b/0x290 [ 711.426046] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 711.430915] ? bpf_prog_test_run+0x130/0x1a0 [ 711.435331] ? __x64_sys_bpf+0x3db/0x520 [ 711.439381] ? bpf_prog_get+0x20/0x20 [ 711.443192] ? do_syscall_64+0x1b9/0x820 [ 711.447240] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 711.452594] ? syscall_return_slowpath+0x5e0/0x5e0 [ 711.457516] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.462375] ? trace_hardirqs_on_caller+0x310/0x310 [ 711.467396] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 711.472407] ? prepare_exit_to_usermode+0x291/0x3b0 [ 711.477425] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.482275] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 711.487652] warn_alloc_show_mem: 1 callbacks suppressed [ 711.487663] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 711.487664] Mem-Info: [ 711.487696] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 711.487696] active_file:32 inactive_file:0 isolated_file:0 [ 711.487696] unevictable:0 dirty:0 writeback:0 unstable:0 [ 711.487696] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 711.487696] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 711.487696] free:13730 free_pcp:227 free_cma:0 [ 711.493228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 711.500251] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 711.502749] Call Trace: [ 711.536161] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 711.545498] [ 711.573319] lowmem_reserve[]: 0 2818 6321 6321 [ 711.575905] dump_stack+0x244/0x39d [ 711.601978] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 711.604121] ? dump_stack_print_info.cold.1+0x20/0x20 [ 711.608688] lowmem_reserve[]: 0 0 3503 3503 [ 711.612615] warn_alloc.cold.116+0xb7/0x1bd [ 711.640079] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 711.645264] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 711.649554] lowmem_reserve[]: 0 0 0 0 [ 711.653871] ? lock_downgrade+0x900/0x900 [ 711.683002] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 711.687836] ? trace_hardirqs_off+0xb8/0x310 [ 711.691595] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 711.695749] ? trace_hardirqs_off+0xb8/0x310 [ 711.709239] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 711.713869] __alloc_pages_slowpath+0x26e8/0x2e10 [ 711.728590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 711.733004] ? warn_alloc+0x120/0x120 [ 711.747089] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 711.751925] ? warn_alloc+0x120/0x120 [ 711.760726] 6658 total pagecache pages [ 711.764510] ? __lock_acquire+0x62f/0x4c20 [ 711.773055] 0 pages in swap cache [ 711.776934] ? warn_alloc+0x120/0x120 [ 711.780797] Swap cache stats: add 0, delete 0, find 0/0 [ 711.785016] ? print_usage_bug+0xc0/0xc0 [ 711.788439] Free swap = 0kB [ 711.792224] ? print_usage_bug+0xc0/0xc0 [ 711.797554] Total swap = 0kB [ 711.801611] ? mark_held_locks+0x130/0x130 [ 711.804600] 1965979 pages RAM [ 711.808647] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.811632] 0 pages HighMem/MovableOnly [ 711.816073] ? should_fail+0x22d/0xd01 [ 711.819147] 342853 pages reserved [ 711.824779] ? zap_class+0x640/0x640 [ 711.829211] 0 pages cma reserved [ 711.843608] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 711.848711] ? __lock_acquire+0x62f/0x4c20 [ 711.850244] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 711.852949] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 711.863236] kworker/1:0 cpuset=/ mems_allowed=0 [ 711.868329] ? should_fail+0x22d/0xd01 [ 711.876855] ? mark_held_locks+0x130/0x130 [ 711.881085] ? mark_held_locks+0x130/0x130 [ 711.885326] ? lock_downgrade+0x900/0x900 [ 711.889477] ? zap_class+0x640/0x640 [ 711.893271] ? zap_class+0x640/0x640 [ 711.896989] ? zap_class+0x640/0x640 [ 711.900692] ? do_raw_spin_unlock+0xa7/0x330 [ 711.905094] ? trace_hardirqs_on+0x310/0x310 [ 711.909495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.915197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.920724] ? check_preemption_disabled+0x48/0x280 [ 711.925746] ? __lock_is_held+0xb5/0x140 [ 711.929807] __alloc_pages_nodemask+0xa80/0xde0 [ 711.934472] ? zap_class+0x640/0x640 [ 711.938185] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 711.943205] ? find_held_lock+0x36/0x1c0 [ 711.947269] ? ____cache_alloc_node+0x1c7/0x1e0 [ 711.951945] ? lock_downgrade+0x900/0x900 [ 711.956093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.961647] cache_grow_begin+0xa5/0x8c0 [ 711.965706] ? do_raw_spin_unlock+0xa7/0x330 [ 711.970116] fallback_alloc+0x204/0x2e0 [ 711.974096] ____cache_alloc_node+0x1c7/0x1e0 [ 711.978591] kmem_cache_alloc_node+0xe3/0x730 [ 711.983079] ? lockdep_hardirqs_on+0x296/0x5b0 [ 711.987663] __alloc_skb+0x119/0x770 [ 711.991376] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 711.996740] ? netdev_alloc_frag+0x1f0/0x1f0 [ 712.001150] ? vprintk_default+0x28/0x30 [ 712.005209] ? vprintk_func+0x85/0x181 [ 712.009092] ? printk+0xa7/0xcf [ 712.012395] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 712.017431] new_skb+0x26/0x1c0 [ 712.020710] aoecmd_cfg+0x279/0x7f0 [ 712.024344] ? find_held_lock+0x36/0x1c0 [ 712.028397] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 712.032721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.038261] ? __lock_is_held+0xb5/0x140 [ 712.042339] discover_timer+0x50/0x60 [ 712.046131] call_timer_fn+0x272/0x920 [ 712.050028] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 712.054878] ? process_timeout+0x40/0x40 [ 712.058947] ? mark_held_locks+0xc7/0x130 [ 712.063098] ? _raw_spin_unlock_irq+0x27/0x80 [ 712.067588] ? _raw_spin_unlock_irq+0x27/0x80 [ 712.072079] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 712.076915] ? lockdep_hardirqs_on+0x296/0x5b0 [ 712.081492] ? trace_hardirqs_on+0xbd/0x310 [ 712.085810] ? kasan_check_read+0x11/0x20 [ 712.089952] ? __run_timers+0x7da/0xc70 [ 712.093920] ? trace_hardirqs_off_caller+0x310/0x310 [ 712.099036] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 712.103976] __run_timers+0x7e5/0xc70 [ 712.107778] ? timer_fixup_init+0x70/0x70 [ 712.111921] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 712.117396] ? zap_class+0x640/0x640 [ 712.121105] ? print_usage_bug+0xc0/0xc0 [ 712.125164] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 712.130366] ? find_held_lock+0x36/0x1c0 [ 712.134420] ? zap_class+0x640/0x640 [ 712.138240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.143868] ? check_preemption_disabled+0x48/0x280 [ 712.148876] ? __lock_is_held+0xb5/0x140 [ 712.152927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.158451] ? check_preemption_disabled+0x48/0x280 [ 712.163479] run_timer_softirq+0x52/0xb0 [ 712.167535] ? rcu_read_lock_sched_held+0x14f/0x180 [ 712.172565] __do_softirq+0x308/0xb7e [ 712.176372] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 712.180880] ? lock_downgrade+0x900/0x900 [ 712.185027] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 712.190234] ? pvclock_read_flags+0x160/0x160 [ 712.194723] ? lapic_next_event+0x5a/0x90 [ 712.198867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.204400] ? kvm_clock_read+0x18/0x30 [ 712.208369] ? kvm_sched_clock_read+0x9/0x20 [ 712.213058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.218588] ? check_preemption_disabled+0x48/0x280 [ 712.223612] irq_exit+0x17f/0x1c0 [ 712.227054] smp_apic_timer_interrupt+0x1cb/0x760 [ 712.231898] ? smp_reschedule_interrupt+0x109/0x650 [ 712.236908] ? smp_call_function_single_interrupt+0x650/0x650 [ 712.242783] ? interrupt_entry+0xb5/0xc0 [ 712.246840] ? trace_hardirqs_off_caller+0xbb/0x310 [ 712.251844] ? trace_hardirqs_off_caller+0xbb/0x310 [ 712.256850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 712.261685] ? trace_hardirqs_on_caller+0x310/0x310 [ 712.266780] ? trace_hardirqs_on_caller+0x310/0x310 [ 712.271791] ? task_prio+0x50/0x50 [ 712.275326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.280856] ? check_preemption_disabled+0x48/0x280 [ 712.285866] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 712.290736] apic_timer_interrupt+0xf/0x20 [ 712.294957] [ 712.297187] RIP: 0010:console_unlock+0x102f/0x1190 [ 712.302112] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 712.321297] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 712.328987] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 712.336247] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 712.343522] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 712.350783] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 712.358043] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 712.365320] ? netconsole_netdev_event+0x280/0x280 [ 712.370243] ? console_unlock+0x1026/0x1190 [ 712.374664] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 712.379330] ? vprintk_emit+0x846/0x990 [ 712.383386] ? lock_release+0xa00/0xa00 [ 712.387441] ? trace_hardirqs_on+0x70/0x310 [ 712.391749] ? vprintk_default+0x28/0x30 [ 712.395826] ? trace_hardirqs_off_caller+0x310/0x310 [ 712.400952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.406489] vprintk_emit+0x391/0x990 [ 712.410298] ? wake_up_klogd+0x180/0x180 [ 712.414634] ? find_held_lock+0x11/0x1c0 [ 712.418695] ? mark_held_locks+0xc7/0x130 [ 712.422856] ? _raw_spin_unlock_irq+0x27/0x80 [ 712.427343] ? _raw_spin_unlock_irq+0x27/0x80 [ 712.432006] vprintk_default+0x28/0x30 [ 712.435977] vprintk_func+0x7e/0x181 [ 712.439686] printk+0xa7/0xcf [ 712.442785] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 712.447532] ? _raw_spin_unlock_irq+0x60/0x80 [ 712.452032] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 712.457315] dump_header+0x7cc/0xf72 [ 712.461035] ? pagefault_out_of_memory+0x197/0x197 [ 712.465969] ? __lock_acquire+0x62f/0x4c20 [ 712.470202] ? print_usage_bug+0xc0/0xc0 [ 712.474274] ? zap_class+0x640/0x640 [ 712.477993] ? zap_class+0x640/0x640 [ 712.481701] ? print_usage_bug+0xc0/0xc0 [ 712.485754] ? print_usage_bug+0xc0/0xc0 [ 712.489818] ? find_held_lock+0x36/0x1c0 [ 712.493879] ? mark_held_locks+0xc7/0x130 [ 712.498114] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 712.503211] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 712.508311] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 712.513160] ? trace_hardirqs_on+0xbd/0x310 [ 712.517478] ? kasan_check_read+0x11/0x20 [ 712.521622] ? ___ratelimit+0x3b4/0x672 [ 712.525587] ? trace_hardirqs_off_caller+0x310/0x310 [ 712.530683] ? trace_hardirqs_on+0x310/0x310 [ 712.535080] ? lock_downgrade+0x900/0x900 [ 712.539222] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 712.544316] ? ___ratelimit+0x3b9/0x672 [ 712.548297] ? idr_get_free+0xf70/0xf70 [ 712.552269] ? kasan_check_read+0x11/0x20 [ 712.556415] ? do_raw_spin_unlock+0xa7/0x330 [ 712.560827] oom_kill_process.cold.27+0x10/0x903 [ 712.565587] ? zap_class+0x640/0x640 [ 712.569292] ? _raw_spin_unlock+0x2c/0x50 [ 712.573430] ? oom_badness+0xe6/0xaa0 [ 712.577239] ? oom_evaluate_task+0x540/0x540 [ 712.581644] ? find_held_lock+0x36/0x1c0 [ 712.585702] ? out_of_memory+0x974/0x1430 [ 712.589843] ? lock_downgrade+0x900/0x900 [ 712.593983] ? check_preemption_disabled+0x48/0x280 [ 712.598997] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 712.603917] ? kasan_check_read+0x11/0x20 [ 712.608057] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 712.613606] ? rcu_softirq_qs+0x20/0x20 [ 712.617579] ? kasan_check_write+0x14/0x20 [ 712.621805] ? oom_evaluate_task+0x302/0x540 [ 712.626210] out_of_memory+0xa84/0x1430 [ 712.630187] ? oom_killer_disable+0x3a0/0x3a0 [ 712.634673] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 712.639603] ? __ww_mutex_check_waiters+0x160/0x160 [ 712.644625] __alloc_pages_slowpath+0x2354/0x2e10 [ 712.649486] ? warn_alloc+0x120/0x120 [ 712.653292] ? mark_held_locks+0x130/0x130 [ 712.657525] ? find_get_entry+0xaae/0x1120 [ 712.662319] ? filemap_map_pages+0x1a20/0x1a20 [ 712.666914] ? zap_class+0x640/0x640 [ 712.670626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.676162] ? check_preemption_disabled+0x48/0x280 [ 712.681193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.686725] ? should_fail+0x22d/0xd01 [ 712.690611] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 712.695707] ? zap_class+0x640/0x640 [ 712.699439] ? __lock_is_held+0xb5/0x140 [ 712.703502] ? mark_held_locks+0x130/0x130 [ 712.707735] ? lock_release+0xa00/0xa00 [ 712.711708] ? perf_trace_sched_process_exec+0x860/0x860 [ 712.717370] ? xa_load+0x2ba/0x460 [ 712.720908] ? lock_downgrade+0x900/0x900 [ 712.725083] ? __might_sleep+0x95/0x190 [ 712.729057] __alloc_pages_nodemask+0xa80/0xde0 [ 712.733725] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 712.738737] ? __page_cache_alloc+0x191/0x5c0 [ 712.743237] ? xa_load+0x2e1/0x460 [ 712.746788] ? xa_clear_mark+0x40/0x40 [ 712.750672] ? zap_class+0x640/0x640 [ 712.754388] ? zap_class+0x640/0x640 [ 712.758105] ? zap_class+0x640/0x640 [ 712.761809] ? __do_page_cache_readahead+0x663/0x810 [ 712.766907] ? find_held_lock+0x36/0x1c0 [ 712.770961] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 712.776495] alloc_pages_current+0x173/0x350 [ 712.780910] __page_cache_alloc+0x38c/0x5c0 [ 712.785219] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 712.790139] ? kasan_check_read+0x11/0x20 [ 712.794283] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 712.799571] ? generic_perform_write+0x6a0/0x6a0 [ 712.804322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.809852] ? check_preemption_disabled+0x48/0x280 [ 712.815124] filemap_fault+0x1595/0x25f0 [ 712.819189] ? __lock_page_or_retry+0xa00/0xa00 [ 712.823851] ? mark_held_locks+0x130/0x130 [ 712.828128] ? filemap_map_pages+0xd6b/0x1a20 [ 712.832622] ? lock_downgrade+0x900/0x900 [ 712.836765] ? check_preemption_disabled+0x48/0x280 [ 712.841780] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 712.846701] ? kasan_check_read+0x11/0x20 [ 712.850839] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 712.856107] ? rcu_softirq_qs+0x20/0x20 [ 712.860088] ? filemap_map_pages+0xd92/0x1a20 [ 712.864584] ? find_get_entries_tag+0x1400/0x1400 [ 712.869423] ? futex_wake+0x760/0x760 [ 712.873226] ? lock_acquire+0x1ed/0x520 [ 712.877197] ? ext4_filemap_fault+0x7a/0xad [ 712.881523] ? lock_release+0xa00/0xa00 [ 712.885488] ? perf_trace_sched_process_exec+0x860/0x860 [ 712.890933] ? print_usage_bug+0xc0/0xc0 [ 712.894987] ? print_usage_bug+0xc0/0xc0 [ 712.899047] ? down_read+0x8d/0x120 [ 712.902663] ? ext4_filemap_fault+0x7a/0xad [ 712.906973] ? __down_interruptible+0x700/0x700 [ 712.911658] ext4_filemap_fault+0x82/0xad [ 712.916059] __do_fault+0x100/0x6b0 [ 712.919679] ? pmd_devmap_trans_unstable+0x220/0x220 [ 712.924860] ? mark_held_locks+0x130/0x130 [ 712.929087] ? mark_held_locks+0x130/0x130 [ 712.933317] ? __might_fault+0x12b/0x1e0 [ 712.937368] ? lock_downgrade+0x900/0x900 [ 712.941514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.947065] __handle_mm_fault+0x3ea0/0x5be0 [ 712.951475] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 712.956324] ? kasan_check_read+0x11/0x20 [ 712.960460] ? _copy_to_user+0xc8/0x110 [ 712.964429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.969975] ? zap_class+0x640/0x640 [ 712.973679] ? zap_class+0x640/0x640 [ 712.977418] ? find_held_lock+0x36/0x1c0 [ 712.981485] ? handle_mm_fault+0x42a/0xc70 [ 712.985716] ? lock_downgrade+0x900/0x900 [ 712.989862] ? check_preemption_disabled+0x48/0x280 [ 712.994876] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 712.999798] ? kasan_check_read+0x11/0x20 [ 713.003939] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 713.009204] ? rcu_softirq_qs+0x20/0x20 [ 713.013506] ? trace_hardirqs_off_caller+0x310/0x310 [ 713.018604] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 713.024131] ? check_preemption_disabled+0x48/0x280 [ 713.029145] handle_mm_fault+0x54f/0xc70 [ 713.033199] ? __handle_mm_fault+0x5be0/0x5be0 [ 713.037790] ? find_vma+0x34/0x190 [ 713.041331] __do_page_fault+0x5e8/0xe60 [ 713.045386] ? trace_hardirqs_off+0xb8/0x310 [ 713.049797] do_page_fault+0xf2/0x7e0 [ 713.053590] ? vmalloc_sync_all+0x30/0x30 [ 713.057739] ? error_entry+0x70/0xd0 [ 713.061449] ? trace_hardirqs_off_caller+0xbb/0x310 [ 713.066454] ? trace_hardirqs_on_caller+0xc0/0x310 [ 713.071377] ? syscall_return_slowpath+0x5e0/0x5e0 [ 713.076294] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.081138] ? trace_hardirqs_on_caller+0x310/0x310 [ 713.086146] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 713.091603] ? prepare_exit_to_usermode+0x291/0x3b0 [ 713.096704] ? page_fault+0x8/0x30 [ 713.100248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.105095] ? page_fault+0x8/0x30 [ 713.108630] page_fault+0x1e/0x30 [ 713.112079] RIP: 0033:0x407e06 [ 713.115494] Code: Bad RIP value. [ 713.118850] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 713.124202] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 713.131457] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 713.138714] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 713.145972] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 713.153227] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 713.160516] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 713.160575] aoe: skb alloc failure [ 713.167440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 713.167459] Workqueue: events_power_efficient neigh_periodic_work [ 713.167470] Call Trace: [ 713.171012] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 713.180335] dump_stack+0x244/0x39d [ 713.186646] syz-fuzzer cpuset=/ mems_allowed=0 [ 713.189217] ? dump_stack_print_info.cold.1+0x20/0x20 [ 713.212853] warn_alloc.cold.116+0xb7/0x1bd [ 713.217634] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 713.222475] ? lock_downgrade+0x900/0x900 [ 713.226627] ? trace_hardirqs_off+0xb8/0x310 [ 713.231047] ? trace_hardirqs_off+0xb8/0x310 [ 713.235454] __alloc_pages_slowpath+0x26e8/0x2e10 [ 713.240334] ? warn_alloc+0x120/0x120 [ 713.244132] ? warn_alloc+0x120/0x120 [ 713.247933] ? check_preemption_disabled+0x48/0x280 [ 713.253060] ? warn_alloc+0x120/0x120 [ 713.256897] ? zap_class+0x640/0x640 [ 713.260610] ? print_usage_bug+0xc0/0xc0 [ 713.264674] ? print_usage_bug+0xc0/0xc0 [ 713.268731] ? __lock_acquire+0x62f/0x4c20 [ 713.272974] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 713.278517] ? should_fail+0x22d/0xd01 [ 713.282494] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 713.287592] ? __lock_acquire+0x62f/0x4c20 [ 713.291826] ? __lock_acquire+0x62f/0x4c20 [ 713.296054] ? should_fail+0x22d/0xd01 [ 713.299943] ? mark_held_locks+0x130/0x130 [ 713.304178] ? mark_held_locks+0x130/0x130 [ 713.308414] ? pick_next_task_fair+0xa05/0x1b30 [ 713.313079] ? rcu_read_lock_sched_held+0x14f/0x180 [ 713.319063] ? zap_class+0x640/0x640 [ 713.322778] ? zap_class+0x640/0x640 [ 713.326488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.332019] ? check_preemption_disabled+0x48/0x280 [ 713.337038] ? __lock_is_held+0xb5/0x140 [ 713.341111] __alloc_pages_nodemask+0xa80/0xde0 [ 713.345776] ? zap_class+0x640/0x640 [ 713.349492] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 713.354515] ? find_held_lock+0x36/0x1c0 [ 713.358583] ? ____cache_alloc_node+0x1c7/0x1e0 [ 713.363254] ? lock_downgrade+0x900/0x900 [ 713.367448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.372983] cache_grow_begin+0xa5/0x8c0 [ 713.377032] ? do_raw_spin_unlock+0xa7/0x330 [ 713.381455] fallback_alloc+0x204/0x2e0 [ 713.385431] ____cache_alloc_node+0x1c7/0x1e0 [ 713.389941] kmem_cache_alloc_node+0xe3/0x730 [ 713.394429] ? zap_class+0x640/0x640 [ 713.398227] ? __sched_text_start+0x8/0x8 [ 713.402389] __alloc_skb+0x119/0x770 [ 713.406089] ? zap_class+0x640/0x640 [ 713.409810] ? netdev_alloc_frag+0x1f0/0x1f0 [ 713.414674] ? neigh_periodic_work+0x8ca/0xc60 [ 713.419256] ? lock_downgrade+0x900/0x900 [ 713.423405] ? kasan_check_read+0x11/0x20 [ 713.427547] ? do_raw_write_lock+0x14f/0x310 [ 713.431960] __neigh_notify+0x8c/0x160 [ 713.435844] neigh_cleanup_and_release+0x7b/0xe0 [ 713.440590] neigh_periodic_work+0x8d2/0xc60 [ 713.444992] ? neigh_table_clear+0x390/0x390 [ 713.449392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.454920] ? check_preemption_disabled+0x48/0x280 [ 713.459936] ? __lock_is_held+0xb5/0x140 [ 713.464010] process_one_work+0xc90/0x1c40 [ 713.468239] ? mark_held_locks+0x130/0x130 [ 713.472470] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 713.477128] ? __switch_to_asm+0x40/0x70 [ 713.481181] ? __switch_to_asm+0x40/0x70 [ 713.485251] ? __switch_to_asm+0x34/0x70 [ 713.489300] ? __switch_to_asm+0x40/0x70 [ 713.493348] ? __switch_to_asm+0x34/0x70 [ 713.497399] ? __switch_to_asm+0x40/0x70 [ 713.501459] ? __switch_to_asm+0x34/0x70 [ 713.505513] ? __switch_to_asm+0x40/0x70 [ 713.509573] ? __schedule+0x8d7/0x21d0 [ 713.514478] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 713.519075] ? zap_class+0x640/0x640 [ 713.522786] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 713.527542] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 713.532138] ? lock_acquire+0x1ed/0x520 [ 713.536105] ? worker_thread+0x3e0/0x1390 [ 713.540288] ? kasan_check_read+0x11/0x20 [ 713.544427] ? do_raw_spin_lock+0x14f/0x350 [ 713.548754] ? kasan_check_read+0x11/0x20 [ 713.552897] ? rwlock_bug.part.2+0x90/0x90 [ 713.557123] ? trace_hardirqs_on+0x310/0x310 [ 713.561535] worker_thread+0x17f/0x1390 [ 713.565506] ? __switch_to_asm+0x34/0x70 [ 713.569573] ? process_one_work+0x1c40/0x1c40 [ 713.574074] ? __sched_text_start+0x8/0x8 [ 713.578235] ? __kthread_parkme+0xce/0x1a0 [ 713.582459] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 713.587567] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 713.592665] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 713.597265] ? trace_hardirqs_on+0xbd/0x310 [ 713.601577] ? kasan_check_read+0x11/0x20 [ 713.605717] ? __kthread_parkme+0xce/0x1a0 [ 713.609951] ? trace_hardirqs_off_caller+0x310/0x310 [ 713.615378] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 713.620490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 713.626108] ? __kthread_parkme+0xfb/0x1a0 [ 713.630351] ? process_one_work+0x1c40/0x1c40 [ 713.634838] kthread+0x35a/0x440 [ 713.638199] ? kthread_stop+0x900/0x900 [ 713.642172] ret_from_fork+0x3a/0x50 [ 713.645907] warn_alloc_show_mem: 1 callbacks suppressed [ 713.645918] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 713.645919] Mem-Info: [ 713.645950] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 713.645950] active_file:32 inactive_file:0 isolated_file:0 [ 713.645950] unevictable:0 dirty:0 writeback:0 unstable:0 [ 713.645950] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 713.645950] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 713.645950] free:13730 free_pcp:227 free_cma:0 [ 713.651283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 713.658292] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 713.660682] Call Trace: [ 713.693623] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 713.702977] [ 713.731045] lowmem_reserve[]: 0 2818 6321 6321 [ 713.733628] dump_stack+0x244/0x39d [ 713.759713] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 713.761854] ? dump_stack_print_info.cold.1+0x20/0x20 [ 713.766398] lowmem_reserve[]: 0 0 3503 3503 [ 713.770024] warn_alloc.cold.116+0xb7/0x1bd [ 713.797481] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 713.802666] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 713.806959] lowmem_reserve[]: 0 0 0 0 [ 713.811270] ? lock_downgrade+0x900/0x900 [ 713.841471] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 713.846324] ? trace_hardirqs_off+0xb8/0x310 [ 713.850081] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 713.854225] ? trace_hardirqs_off+0xb8/0x310 [ 713.867715] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 713.872117] __alloc_pages_slowpath+0x26e8/0x2e10 [ 713.886825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 713.891272] ? warn_alloc+0x120/0x120 [ 713.905350] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 713.910174] ? warn_alloc+0x120/0x120 [ 713.919434] 6658 total pagecache pages [ 713.923240] ? __lock_acquire+0x62f/0x4c20 [ 713.931786] 0 pages in swap cache [ 713.935622] ? warn_alloc+0x120/0x120 [ 713.939487] Swap cache stats: add 0, delete 0, find 0/0 [ 713.943724] ? print_usage_bug+0xc0/0xc0 [ 713.947148] Free swap = 0kB [ 713.950930] ? print_usage_bug+0xc0/0xc0 [ 713.956265] Total swap = 0kB [ 713.960306] ? mark_held_locks+0x130/0x130 [ 713.963292] 1965979 pages RAM [ 713.967340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 713.970329] 0 pages HighMem/MovableOnly [ 713.974549] ? should_fail+0x22d/0xd01 [ 713.977620] 342853 pages reserved [ 713.983139] ? zap_class+0x640/0x640 [ 713.987083] 0 pages cma reserved [ 713.990957] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 713.994515] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 713.998077] ? __lock_acquire+0x62f/0x4c20 [ 714.001413] kworker/1:0 cpuset=/ mems_allowed=0 [ 714.006506] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 714.031326] ? should_fail+0x22d/0xd01 [ 714.035243] ? mark_held_locks+0x130/0x130 [ 714.039474] ? mark_held_locks+0x130/0x130 [ 714.043700] ? lock_downgrade+0x900/0x900 [ 714.047844] ? zap_class+0x640/0x640 [ 714.051550] ? zap_class+0x640/0x640 [ 714.055275] ? zap_class+0x640/0x640 [ 714.058976] ? do_raw_spin_unlock+0xa7/0x330 [ 714.063382] ? trace_hardirqs_on+0x310/0x310 [ 714.067786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.073410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.078944] ? check_preemption_disabled+0x48/0x280 [ 714.083958] ? __lock_is_held+0xb5/0x140 [ 714.088014] __alloc_pages_nodemask+0xa80/0xde0 [ 714.092679] ? zap_class+0x640/0x640 [ 714.096390] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 714.101413] ? find_held_lock+0x36/0x1c0 [ 714.105474] ? ____cache_alloc_node+0x1c7/0x1e0 [ 714.110136] ? lock_downgrade+0x900/0x900 [ 714.114501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.120132] cache_grow_begin+0xa5/0x8c0 [ 714.124180] ? do_raw_spin_unlock+0xa7/0x330 [ 714.128611] fallback_alloc+0x204/0x2e0 [ 714.132591] ____cache_alloc_node+0x1c7/0x1e0 [ 714.137076] kmem_cache_alloc_node+0xe3/0x730 [ 714.141585] ? lockdep_hardirqs_on+0x296/0x5b0 [ 714.146200] __alloc_skb+0x119/0x770 [ 714.149913] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 714.155269] ? netdev_alloc_frag+0x1f0/0x1f0 [ 714.159697] ? vprintk_default+0x28/0x30 [ 714.163749] ? vprintk_func+0x85/0x181 [ 714.167627] ? printk+0xa7/0xcf [ 714.170900] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 714.175661] new_skb+0x26/0x1c0 [ 714.178939] aoecmd_cfg+0x279/0x7f0 [ 714.182558] ? find_held_lock+0x36/0x1c0 [ 714.186615] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 714.190929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.196467] ? __lock_is_held+0xb5/0x140 [ 714.200526] discover_timer+0x50/0x60 [ 714.204316] call_timer_fn+0x272/0x920 [ 714.208214] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 714.213048] ? process_timeout+0x40/0x40 [ 714.217372] ? mark_held_locks+0xc7/0x130 [ 714.221515] ? _raw_spin_unlock_irq+0x27/0x80 [ 714.225999] ? _raw_spin_unlock_irq+0x27/0x80 [ 714.230480] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 714.235310] ? lockdep_hardirqs_on+0x296/0x5b0 [ 714.239884] ? trace_hardirqs_on+0xbd/0x310 [ 714.244195] ? kasan_check_read+0x11/0x20 [ 714.248342] ? __run_timers+0x7da/0xc70 [ 714.252399] ? trace_hardirqs_off_caller+0x310/0x310 [ 714.257509] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 714.262343] __run_timers+0x7e5/0xc70 [ 714.266139] ? timer_fixup_init+0x70/0x70 [ 714.270305] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 714.275308] ? zap_class+0x640/0x640 [ 714.279036] ? print_usage_bug+0xc0/0xc0 [ 714.283088] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 714.288272] ? find_held_lock+0x36/0x1c0 [ 714.292325] ? zap_class+0x640/0x640 [ 714.296054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.301598] ? check_preemption_disabled+0x48/0x280 [ 714.306609] ? __lock_is_held+0xb5/0x140 [ 714.310660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.316393] ? check_preemption_disabled+0x48/0x280 [ 714.321431] run_timer_softirq+0x52/0xb0 [ 714.325480] ? rcu_read_lock_sched_held+0x14f/0x180 [ 714.330500] __do_softirq+0x308/0xb7e [ 714.334291] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 714.338777] ? lock_downgrade+0x900/0x900 [ 714.342917] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 714.348031] ? pvclock_read_flags+0x160/0x160 [ 714.352519] ? lapic_next_event+0x5a/0x90 [ 714.356665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.362221] ? kvm_clock_read+0x18/0x30 [ 714.366184] ? kvm_sched_clock_read+0x9/0x20 [ 714.370623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.376148] ? check_preemption_disabled+0x48/0x280 [ 714.381159] irq_exit+0x17f/0x1c0 [ 714.384607] smp_apic_timer_interrupt+0x1cb/0x760 [ 714.389438] ? smp_reschedule_interrupt+0x109/0x650 [ 714.394444] ? smp_call_function_single_interrupt+0x650/0x650 [ 714.400321] ? interrupt_entry+0xb5/0xc0 [ 714.404394] ? trace_hardirqs_off_caller+0xbb/0x310 [ 714.409405] ? trace_hardirqs_off_caller+0xbb/0x310 [ 714.414645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.419481] ? trace_hardirqs_on_caller+0x310/0x310 [ 714.424484] ? trace_hardirqs_on_caller+0x310/0x310 [ 714.429487] ? task_prio+0x50/0x50 [ 714.433012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.438537] ? check_preemption_disabled+0x48/0x280 [ 714.443561] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.448413] apic_timer_interrupt+0xf/0x20 [ 714.452630] [ 714.454861] RIP: 0010:console_unlock+0x102f/0x1190 [ 714.459788] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 714.478855] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 714.486677] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 714.493934] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 714.501220] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 714.508473] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 714.516001] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 714.523272] ? netconsole_netdev_event+0x280/0x280 [ 714.528216] ? console_unlock+0x1026/0x1190 [ 714.532548] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 714.537221] ? vprintk_emit+0x846/0x990 [ 714.541187] ? lock_release+0xa00/0xa00 [ 714.545168] ? trace_hardirqs_on+0x70/0x310 [ 714.549490] ? vprintk_default+0x28/0x30 [ 714.553545] ? trace_hardirqs_off_caller+0x310/0x310 [ 714.558674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.564236] vprintk_emit+0x391/0x990 [ 714.568032] ? wake_up_klogd+0x180/0x180 [ 714.572101] ? find_held_lock+0x11/0x1c0 [ 714.576165] ? mark_held_locks+0xc7/0x130 [ 714.580311] ? _raw_spin_unlock_irq+0x27/0x80 [ 714.584797] ? _raw_spin_unlock_irq+0x27/0x80 [ 714.589286] vprintk_default+0x28/0x30 [ 714.593181] vprintk_func+0x7e/0x181 [ 714.596905] printk+0xa7/0xcf [ 714.600013] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 714.604765] ? _raw_spin_unlock_irq+0x60/0x80 [ 714.609264] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 714.614756] dump_header+0x7cc/0xf72 [ 714.618493] ? pagefault_out_of_memory+0x197/0x197 [ 714.623432] ? __lock_acquire+0x62f/0x4c20 [ 714.627663] ? print_usage_bug+0xc0/0xc0 [ 714.631722] ? zap_class+0x640/0x640 [ 714.635426] ? zap_class+0x640/0x640 [ 714.639136] ? print_usage_bug+0xc0/0xc0 [ 714.643194] ? print_usage_bug+0xc0/0xc0 [ 714.647261] ? find_held_lock+0x36/0x1c0 [ 714.651323] ? mark_held_locks+0xc7/0x130 [ 714.655461] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 714.660553] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 714.666135] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 714.670709] ? trace_hardirqs_on+0xbd/0x310 [ 714.675017] ? kasan_check_read+0x11/0x20 [ 714.679171] ? ___ratelimit+0x3b4/0x672 [ 714.683150] ? trace_hardirqs_off_caller+0x310/0x310 [ 714.688253] ? trace_hardirqs_on+0x310/0x310 [ 714.692648] ? lock_downgrade+0x900/0x900 [ 714.696792] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 714.701897] ? ___ratelimit+0x3b9/0x672 [ 714.705864] ? idr_get_free+0xf70/0xf70 [ 714.709852] ? kasan_check_read+0x11/0x20 [ 714.714215] ? do_raw_spin_unlock+0xa7/0x330 [ 714.718626] oom_kill_process.cold.27+0x10/0x903 [ 714.723371] ? zap_class+0x640/0x640 [ 714.727075] ? _raw_spin_unlock+0x2c/0x50 [ 714.731221] ? oom_badness+0xe6/0xaa0 [ 714.735017] ? oom_evaluate_task+0x540/0x540 [ 714.739424] ? find_held_lock+0x36/0x1c0 [ 714.743482] ? out_of_memory+0x974/0x1430 [ 714.747618] ? lock_downgrade+0x900/0x900 [ 714.751755] ? check_preemption_disabled+0x48/0x280 [ 714.756876] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 714.761799] ? kasan_check_read+0x11/0x20 [ 714.765942] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 714.771218] ? rcu_softirq_qs+0x20/0x20 [ 714.775194] ? kasan_check_write+0x14/0x20 [ 714.779418] ? oom_evaluate_task+0x302/0x540 [ 714.783821] out_of_memory+0xa84/0x1430 [ 714.787797] ? oom_killer_disable+0x3a0/0x3a0 [ 714.792286] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 714.797849] ? __ww_mutex_check_waiters+0x160/0x160 [ 714.802862] __alloc_pages_slowpath+0x2354/0x2e10 [ 714.807722] ? warn_alloc+0x120/0x120 [ 714.811515] ? mark_held_locks+0x130/0x130 [ 714.815951] ? find_get_entry+0xaae/0x1120 [ 714.820190] ? filemap_map_pages+0x1a20/0x1a20 [ 714.824768] ? zap_class+0x640/0x640 [ 714.828479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.834007] ? check_preemption_disabled+0x48/0x280 [ 714.839012] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.844628] ? should_fail+0x22d/0xd01 [ 714.848510] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 714.853631] ? zap_class+0x640/0x640 [ 714.857358] ? __lock_is_held+0xb5/0x140 [ 714.861421] ? mark_held_locks+0x130/0x130 [ 714.865657] ? lock_release+0xa00/0xa00 [ 714.869618] ? perf_trace_sched_process_exec+0x860/0x860 [ 714.875059] ? xa_load+0x2ba/0x460 [ 714.878589] ? lock_downgrade+0x900/0x900 [ 714.882731] ? __might_sleep+0x95/0x190 [ 714.886698] __alloc_pages_nodemask+0xa80/0xde0 [ 714.891384] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 714.896391] ? __page_cache_alloc+0x191/0x5c0 [ 714.900876] ? xa_load+0x2e1/0x460 [ 714.904414] ? xa_clear_mark+0x40/0x40 [ 714.908307] ? zap_class+0x640/0x640 [ 714.912018] ? zap_class+0x640/0x640 [ 714.915924] ? zap_class+0x640/0x640 [ 714.919627] ? __do_page_cache_readahead+0x663/0x810 [ 714.924722] ? find_held_lock+0x36/0x1c0 [ 714.928776] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 714.934314] alloc_pages_current+0x173/0x350 [ 714.938715] __page_cache_alloc+0x38c/0x5c0 [ 714.943024] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 714.947971] ? kasan_check_read+0x11/0x20 [ 714.952108] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 714.957380] ? generic_perform_write+0x6a0/0x6a0 [ 714.962131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.967764] ? check_preemption_disabled+0x48/0x280 [ 714.972775] filemap_fault+0x1595/0x25f0 [ 714.976836] ? __lock_page_or_retry+0xa00/0xa00 [ 714.981494] ? mark_held_locks+0x130/0x130 [ 714.985722] ? filemap_map_pages+0xd6b/0x1a20 [ 714.990214] ? lock_downgrade+0x900/0x900 [ 714.994438] ? check_preemption_disabled+0x48/0x280 [ 714.999454] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 715.004384] ? kasan_check_read+0x11/0x20 [ 715.008525] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.014067] ? rcu_softirq_qs+0x20/0x20 [ 715.018056] ? filemap_map_pages+0xd92/0x1a20 [ 715.022573] ? find_get_entries_tag+0x1400/0x1400 [ 715.027414] ? futex_wake+0x760/0x760 [ 715.031228] ? lock_acquire+0x1ed/0x520 [ 715.035209] ? ext4_filemap_fault+0x7a/0xad [ 715.039532] ? lock_release+0xa00/0xa00 [ 715.043499] ? perf_trace_sched_process_exec+0x860/0x860 [ 715.048959] ? print_usage_bug+0xc0/0xc0 [ 715.053016] ? print_usage_bug+0xc0/0xc0 [ 715.057084] ? down_read+0x8d/0x120 [ 715.060700] ? ext4_filemap_fault+0x7a/0xad [ 715.065013] ? __down_interruptible+0x700/0x700 [ 715.069769] ext4_filemap_fault+0x82/0xad [ 715.073911] __do_fault+0x100/0x6b0 [ 715.077624] ? pmd_devmap_trans_unstable+0x220/0x220 [ 715.082723] ? mark_held_locks+0x130/0x130 [ 715.086960] ? mark_held_locks+0x130/0x130 [ 715.091198] ? __might_fault+0x12b/0x1e0 [ 715.095257] ? lock_downgrade+0x900/0x900 [ 715.099405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.104933] __handle_mm_fault+0x3ea0/0x5be0 [ 715.109340] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 715.114369] ? kasan_check_read+0x11/0x20 [ 715.118506] ? _copy_to_user+0xc8/0x110 [ 715.122475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.128035] ? zap_class+0x640/0x640 [ 715.131766] ? zap_class+0x640/0x640 [ 715.135496] ? find_held_lock+0x36/0x1c0 [ 715.139554] ? handle_mm_fault+0x42a/0xc70 [ 715.143785] ? lock_downgrade+0x900/0x900 [ 715.147922] ? check_preemption_disabled+0x48/0x280 [ 715.152928] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 715.157848] ? kasan_check_read+0x11/0x20 [ 715.161982] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.167248] ? rcu_softirq_qs+0x20/0x20 [ 715.171213] ? trace_hardirqs_off_caller+0x310/0x310 [ 715.176303] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.181828] ? check_preemption_disabled+0x48/0x280 [ 715.186857] handle_mm_fault+0x54f/0xc70 [ 715.190917] ? __handle_mm_fault+0x5be0/0x5be0 [ 715.195491] ? find_vma+0x34/0x190 [ 715.199025] __do_page_fault+0x5e8/0xe60 [ 715.203078] ? trace_hardirqs_off+0xb8/0x310 [ 715.207483] do_page_fault+0xf2/0x7e0 [ 715.211299] ? vmalloc_sync_all+0x30/0x30 [ 715.215681] ? error_entry+0x70/0xd0 [ 715.219391] ? trace_hardirqs_off_caller+0xbb/0x310 [ 715.224409] ? trace_hardirqs_on_caller+0xc0/0x310 [ 715.229327] ? syscall_return_slowpath+0x5e0/0x5e0 [ 715.234249] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 715.239091] ? trace_hardirqs_on_caller+0x310/0x310 [ 715.244100] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 715.249544] ? prepare_exit_to_usermode+0x291/0x3b0 [ 715.254548] ? page_fault+0x8/0x30 [ 715.258083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 715.263005] ? page_fault+0x8/0x30 [ 715.266536] page_fault+0x1e/0x30 [ 715.269980] RIP: 0033:0x407e06 [ 715.273211] Code: Bad RIP value. [ 715.276569] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 715.281925] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 715.289271] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 715.296531] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 715.303789] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 715.311047] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 715.318593] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 715.318671] aoe: skb alloc failure [ 715.325534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 715.325551] Workqueue: events_power_efficient neigh_periodic_work [ 715.325558] Call Trace: [ 715.325582] dump_stack+0x244/0x39d [ 715.329117] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 715.338436] ? dump_stack_print_info.cold.1+0x20/0x20 [ 715.344635] syz-fuzzer cpuset=/ mems_allowed=0 [ 715.347223] warn_alloc.cold.116+0xb7/0x1bd [ 715.375062] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 715.379903] ? lock_downgrade+0x900/0x900 [ 715.384060] ? trace_hardirqs_off+0xb8/0x310 [ 715.388461] ? trace_hardirqs_off+0xb8/0x310 [ 715.392880] __alloc_pages_slowpath+0x26e8/0x2e10 [ 715.397734] ? warn_alloc+0x120/0x120 [ 715.401546] ? warn_alloc+0x120/0x120 [ 715.405353] ? check_preemption_disabled+0x48/0x280 [ 715.410362] ? warn_alloc+0x120/0x120 [ 715.414593] ? print_usage_bug+0xc0/0xc0 [ 715.418644] ? __lock_acquire+0x62f/0x4c20 [ 715.422872] ? print_usage_bug+0xc0/0xc0 [ 715.426922] ? __lock_acquire+0x62f/0x4c20 [ 715.431150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.436704] ? should_fail+0x22d/0xd01 [ 715.440586] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 715.445691] ? __lock_acquire+0x62f/0x4c20 [ 715.449917] ? __lock_acquire+0x62f/0x4c20 [ 715.454142] ? should_fail+0x22d/0xd01 [ 715.458053] ? mark_held_locks+0x130/0x130 [ 715.462307] ? mark_held_locks+0x130/0x130 [ 715.466536] ? mark_held_locks+0xc7/0x130 [ 715.470687] ? zap_class+0x640/0x640 [ 715.474397] ? zap_class+0x640/0x640 [ 715.478106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.483735] ? check_preemption_disabled+0x48/0x280 [ 715.488752] ? __lock_is_held+0xb5/0x140 [ 715.492820] __alloc_pages_nodemask+0xa80/0xde0 [ 715.497478] ? zap_class+0x640/0x640 [ 715.501197] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 715.506216] ? find_held_lock+0x36/0x1c0 [ 715.510280] ? ____cache_alloc_node+0x1c7/0x1e0 [ 715.515945] ? lock_downgrade+0x900/0x900 [ 715.520092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.525625] cache_grow_begin+0xa5/0x8c0 [ 715.529687] ? do_raw_spin_unlock+0xa7/0x330 [ 715.534105] fallback_alloc+0x204/0x2e0 [ 715.538078] ____cache_alloc_node+0x1c7/0x1e0 [ 715.542571] kmem_cache_alloc_node+0xe3/0x730 [ 715.547055] ? zap_class+0x640/0x640 [ 715.550773] __alloc_skb+0x119/0x770 [ 715.554498] ? netdev_alloc_frag+0x1f0/0x1f0 [ 715.558908] ? neigh_periodic_work+0x8ca/0xc60 [ 715.563485] ? lock_downgrade+0x900/0x900 [ 715.567665] ? kasan_check_read+0x11/0x20 [ 715.571808] ? do_raw_write_lock+0x14f/0x310 [ 715.576220] __neigh_notify+0x8c/0x160 [ 715.580108] neigh_cleanup_and_release+0x7b/0xe0 [ 715.584865] neigh_periodic_work+0x8d2/0xc60 [ 715.589278] ? neigh_table_clear+0x390/0x390 [ 715.593706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.599241] ? check_preemption_disabled+0x48/0x280 [ 715.604258] ? __lock_is_held+0xb5/0x140 [ 715.608325] process_one_work+0xc90/0x1c40 [ 715.612563] ? mark_held_locks+0x130/0x130 [ 715.617292] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 715.621949] ? __switch_to_asm+0x40/0x70 [ 715.625998] ? __switch_to_asm+0x40/0x70 [ 715.630054] ? __switch_to_asm+0x34/0x70 [ 715.634109] ? __switch_to_asm+0x40/0x70 [ 715.638163] ? __switch_to_asm+0x34/0x70 [ 715.642231] ? __switch_to_asm+0x40/0x70 [ 715.646319] ? __switch_to_asm+0x34/0x70 [ 715.650370] ? __switch_to_asm+0x40/0x70 [ 715.654428] ? __schedule+0x8d7/0x21d0 [ 715.658311] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 715.662920] ? zap_class+0x640/0x640 [ 715.666629] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 715.671386] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 715.675972] ? lock_acquire+0x1ed/0x520 [ 715.680026] ? worker_thread+0x3e0/0x1390 [ 715.684184] ? kasan_check_read+0x11/0x20 [ 715.688455] ? do_raw_spin_lock+0x14f/0x350 [ 715.692787] ? kasan_check_read+0x11/0x20 [ 715.696927] ? rwlock_bug.part.2+0x90/0x90 [ 715.701163] ? trace_hardirqs_on+0x310/0x310 [ 715.705578] worker_thread+0x17f/0x1390 [ 715.709546] ? __switch_to_asm+0x34/0x70 [ 715.713906] ? process_one_work+0x1c40/0x1c40 [ 715.718406] ? __sched_text_start+0x8/0x8 [ 715.722570] ? __kthread_parkme+0xce/0x1a0 [ 715.726802] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 715.731900] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 715.737026] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 715.741604] ? trace_hardirqs_on+0xbd/0x310 [ 715.745922] ? kasan_check_read+0x11/0x20 [ 715.750063] ? __kthread_parkme+0xce/0x1a0 [ 715.754296] ? trace_hardirqs_off_caller+0x310/0x310 [ 715.759404] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 715.764502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.770046] ? __kthread_parkme+0xfb/0x1a0 [ 715.774974] ? process_one_work+0x1c40/0x1c40 [ 715.779466] kthread+0x35a/0x440 [ 715.782826] ? kthread_stop+0x900/0x900 [ 715.786795] ret_from_fork+0x3a/0x50 [ 715.790517] warn_alloc_show_mem: 1 callbacks suppressed [ 715.790528] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 715.790529] Mem-Info: [ 715.790572] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 715.790572] active_file:32 inactive_file:0 isolated_file:0 [ 715.790572] unevictable:0 dirty:0 writeback:0 unstable:0 [ 715.790572] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 715.790572] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 715.790572] free:13730 free_pcp:227 free_cma:0 [ 715.795905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 715.802914] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 715.805299] Call Trace: [ 715.839236] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 715.848691] [ 715.876595] lowmem_reserve[]: 0 2818 6321 6321 [ 715.879202] dump_stack+0x244/0x39d [ 715.905272] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 715.907416] ? dump_stack_print_info.cold.1+0x20/0x20 [ 715.911961] lowmem_reserve[]: 0 0 3503 3503 [ 715.915888] warn_alloc.cold.116+0xb7/0x1bd [ 715.943354] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 715.948530] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 715.952815] lowmem_reserve[]: 0 0 0 0 [ 715.957133] ? lock_downgrade+0x900/0x900 [ 715.986170] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 715.991006] ? trace_hardirqs_off+0xb8/0x310 [ 715.994861] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 715.999001] ? trace_hardirqs_off+0xb8/0x310 [ 716.012691] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 716.017305] __alloc_pages_slowpath+0x26e8/0x2e10 [ 716.032012] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 716.036435] ? warn_alloc+0x120/0x120 [ 716.050502] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 716.055335] ? warn_alloc+0x120/0x120 [ 716.064151] 6658 total pagecache pages [ 716.067958] ? __lock_acquire+0x62f/0x4c20 [ 716.076510] 0 pages in swap cache [ 716.080291] ? warn_alloc+0x120/0x120 [ 716.084164] Swap cache stats: add 0, delete 0, find 0/0 [ 716.088398] ? print_usage_bug+0xc0/0xc0 [ 716.091832] Free swap = 0kB [ 716.095624] ? print_usage_bug+0xc0/0xc0 [ 716.100954] Total swap = 0kB [ 716.104999] ? mark_held_locks+0x130/0x130 [ 716.107985] 1965979 pages RAM [ 716.112035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.115268] 0 pages HighMem/MovableOnly [ 716.115275] 342853 pages reserved [ 716.119497] ? should_fail+0x22d/0xd01 [ 716.122564] 0 pages cma reserved [ 716.142734] ? zap_class+0x640/0x640 [ 716.144474] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 716.146448] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 716.156907] syz-executor0 cpuset=syz0 mems_allowed=0 [ 716.162000] ? __lock_acquire+0x62f/0x4c20 [ 716.171299] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 716.176395] ? should_fail+0x22d/0xd01 [ 716.180290] ? mark_held_locks+0x130/0x130 [ 716.184531] ? mark_held_locks+0x130/0x130 [ 716.188765] ? lock_downgrade+0x900/0x900 [ 716.192906] ? zap_class+0x640/0x640 [ 716.196617] ? zap_class+0x640/0x640 [ 716.200330] ? zap_class+0x640/0x640 [ 716.204038] ? do_raw_spin_unlock+0xa7/0x330 [ 716.208441] ? trace_hardirqs_on+0x310/0x310 [ 716.212842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.218590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.224144] ? check_preemption_disabled+0x48/0x280 [ 716.229204] ? __lock_is_held+0xb5/0x140 [ 716.233267] __alloc_pages_nodemask+0xa80/0xde0 [ 716.237940] ? zap_class+0x640/0x640 [ 716.241648] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 716.246673] ? find_held_lock+0x36/0x1c0 [ 716.250737] ? ____cache_alloc_node+0x1c7/0x1e0 [ 716.255400] ? lock_downgrade+0x900/0x900 [ 716.259551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.265084] cache_grow_begin+0xa5/0x8c0 [ 716.269143] ? do_raw_spin_unlock+0xa7/0x330 [ 716.273557] fallback_alloc+0x204/0x2e0 [ 716.277531] ____cache_alloc_node+0x1c7/0x1e0 [ 716.282021] kmem_cache_alloc_node+0xe3/0x730 [ 716.286517] ? lockdep_hardirqs_on+0x296/0x5b0 [ 716.291205] __alloc_skb+0x119/0x770 [ 716.294910] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 716.300275] ? netdev_alloc_frag+0x1f0/0x1f0 [ 716.304687] ? vprintk_default+0x28/0x30 [ 716.308745] ? vprintk_func+0x85/0x181 [ 716.312645] ? printk+0xa7/0xcf [ 716.316165] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 716.320936] new_skb+0x26/0x1c0 [ 716.324211] aoecmd_cfg+0x279/0x7f0 [ 716.327834] ? find_held_lock+0x36/0x1c0 [ 716.331892] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 716.336211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.341745] ? __lock_is_held+0xb5/0x140 [ 716.345824] discover_timer+0x50/0x60 [ 716.349616] call_timer_fn+0x272/0x920 [ 716.353607] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 716.358436] ? process_timeout+0x40/0x40 [ 716.362506] ? mark_held_locks+0xc7/0x130 [ 716.366649] ? _raw_spin_unlock_irq+0x27/0x80 [ 716.371141] ? _raw_spin_unlock_irq+0x27/0x80 [ 716.375631] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 716.380469] ? lockdep_hardirqs_on+0x296/0x5b0 [ 716.385140] ? trace_hardirqs_on+0xbd/0x310 [ 716.389458] ? kasan_check_read+0x11/0x20 [ 716.393603] ? __run_timers+0x7da/0xc70 [ 716.397677] ? trace_hardirqs_off_caller+0x310/0x310 [ 716.402785] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 716.407620] __run_timers+0x7e5/0xc70 [ 716.411423] ? timer_fixup_init+0x70/0x70 [ 716.415819] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 716.420831] ? zap_class+0x640/0x640 [ 716.424547] ? print_usage_bug+0xc0/0xc0 [ 716.428601] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 716.433786] ? find_held_lock+0x36/0x1c0 [ 716.437856] ? zap_class+0x640/0x640 [ 716.441569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.447100] ? check_preemption_disabled+0x48/0x280 [ 716.452147] ? __lock_is_held+0xb5/0x140 [ 716.456213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.461744] ? check_preemption_disabled+0x48/0x280 [ 716.466755] run_timer_softirq+0x52/0xb0 [ 716.470804] ? rcu_read_lock_sched_held+0x14f/0x180 [ 716.475810] __do_softirq+0x308/0xb7e [ 716.479606] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 716.484104] ? lock_downgrade+0x900/0x900 [ 716.488248] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 716.493366] ? pvclock_read_flags+0x160/0x160 [ 716.497861] ? lapic_next_event+0x5a/0x90 [ 716.502006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.507534] ? kvm_clock_read+0x18/0x30 [ 716.511518] ? kvm_sched_clock_read+0x9/0x20 [ 716.516226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.521759] ? check_preemption_disabled+0x48/0x280 [ 716.526782] irq_exit+0x17f/0x1c0 [ 716.530238] smp_apic_timer_interrupt+0x1cb/0x760 [ 716.535074] ? smp_reschedule_interrupt+0x109/0x650 [ 716.540099] ? smp_call_function_single_interrupt+0x650/0x650 [ 716.545992] ? interrupt_entry+0xb5/0xc0 [ 716.550044] ? trace_hardirqs_off_caller+0xbb/0x310 [ 716.555050] ? trace_hardirqs_off_caller+0xbb/0x310 [ 716.560086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.565010] ? trace_hardirqs_on_caller+0x310/0x310 [ 716.570016] ? trace_hardirqs_on_caller+0x310/0x310 [ 716.575025] ? task_prio+0x50/0x50 [ 716.578561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.584088] ? check_preemption_disabled+0x48/0x280 [ 716.589098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.593944] apic_timer_interrupt+0xf/0x20 [ 716.598167] [ 716.600412] RIP: 0010:console_unlock+0x102f/0x1190 [ 716.605338] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 716.624490] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 716.632188] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 716.639450] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 716.646708] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 716.653966] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 716.661487] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 716.668851] ? netconsole_netdev_event+0x280/0x280 [ 716.673783] ? console_unlock+0x1026/0x1190 [ 716.678111] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 716.682783] ? vprintk_emit+0x846/0x990 [ 716.686753] ? lock_release+0xa00/0xa00 [ 716.690717] ? trace_hardirqs_on+0x70/0x310 [ 716.695023] ? vprintk_default+0x28/0x30 [ 716.699076] ? trace_hardirqs_off_caller+0x310/0x310 [ 716.704170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.709703] vprintk_emit+0x391/0x990 [ 716.713575] ? wake_up_klogd+0x180/0x180 [ 716.717624] ? find_held_lock+0x11/0x1c0 [ 716.721697] ? mark_held_locks+0xc7/0x130 [ 716.725839] ? _raw_spin_unlock_irq+0x27/0x80 [ 716.730324] ? _raw_spin_unlock_irq+0x27/0x80 [ 716.734810] vprintk_default+0x28/0x30 [ 716.738689] vprintk_func+0x7e/0x181 [ 716.742392] printk+0xa7/0xcf [ 716.745484] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 716.750227] ? _raw_spin_unlock_irq+0x60/0x80 [ 716.754722] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 716.760084] dump_header+0x7cc/0xf72 [ 716.763806] ? pagefault_out_of_memory+0x197/0x197 [ 716.768734] ? __lock_acquire+0x62f/0x4c20 [ 716.772964] ? print_usage_bug+0xc0/0xc0 [ 716.777024] ? zap_class+0x640/0x640 [ 716.780729] ? zap_class+0x640/0x640 [ 716.784453] ? print_usage_bug+0xc0/0xc0 [ 716.788509] ? print_usage_bug+0xc0/0xc0 [ 716.792569] ? find_held_lock+0x36/0x1c0 [ 716.796645] ? mark_held_locks+0xc7/0x130 [ 716.800785] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 716.805891] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 716.811071] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 716.815888] ? trace_hardirqs_on+0xbd/0x310 [ 716.820205] ? kasan_check_read+0x11/0x20 [ 716.824346] ? ___ratelimit+0x3b4/0x672 [ 716.828330] ? trace_hardirqs_off_caller+0x310/0x310 [ 716.833461] ? trace_hardirqs_on+0x310/0x310 [ 716.837875] ? lock_downgrade+0x900/0x900 [ 716.842019] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 716.847120] ? ___ratelimit+0x3b9/0x672 [ 716.851183] ? idr_get_free+0xf70/0xf70 [ 716.855153] ? kasan_check_read+0x11/0x20 [ 716.859295] ? do_raw_spin_unlock+0xa7/0x330 [ 716.863723] oom_kill_process.cold.27+0x10/0x903 [ 716.868472] ? zap_class+0x640/0x640 [ 716.872175] ? _raw_spin_unlock+0x2c/0x50 [ 716.876314] ? oom_badness+0xe6/0xaa0 [ 716.880200] ? oom_evaluate_task+0x540/0x540 [ 716.884605] ? find_held_lock+0x36/0x1c0 [ 716.888863] ? out_of_memory+0x974/0x1430 [ 716.893020] ? lock_downgrade+0x900/0x900 [ 716.897171] ? check_preemption_disabled+0x48/0x280 [ 716.902212] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 716.907157] ? kasan_check_read+0x11/0x20 [ 716.911295] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 716.916849] ? rcu_softirq_qs+0x20/0x20 [ 716.920820] ? kasan_check_write+0x14/0x20 [ 716.925051] ? oom_evaluate_task+0x302/0x540 [ 716.929458] out_of_memory+0xa84/0x1430 [ 716.933432] ? oom_killer_disable+0x3a0/0x3a0 [ 716.937918] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 716.942846] ? __ww_mutex_check_waiters+0x160/0x160 [ 716.947898] __alloc_pages_slowpath+0x2354/0x2e10 [ 716.952764] ? warn_alloc+0x120/0x120 [ 716.956562] ? mark_held_locks+0x130/0x130 [ 716.960801] ? find_get_entry+0xaae/0x1120 [ 716.965146] ? filemap_map_pages+0x1a20/0x1a20 [ 716.969727] ? zap_class+0x640/0x640 [ 716.973439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.978970] ? check_preemption_disabled+0x48/0x280 [ 716.983984] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.989518] ? should_fail+0x22d/0xd01 [ 716.993405] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 716.998503] ? zap_class+0x640/0x640 [ 717.002229] ? __lock_is_held+0xb5/0x140 [ 717.006392] ? mark_held_locks+0x130/0x130 [ 717.010620] ? lock_release+0xa00/0xa00 [ 717.014832] ? perf_trace_sched_process_exec+0x860/0x860 [ 717.020276] ? xa_load+0x2ba/0x460 [ 717.023813] ? lock_downgrade+0x900/0x900 [ 717.027980] ? __might_sleep+0x95/0x190 [ 717.031954] __alloc_pages_nodemask+0xa80/0xde0 [ 717.036624] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 717.041634] ? __page_cache_alloc+0x191/0x5c0 [ 717.046147] ? xa_load+0x2e1/0x460 [ 717.049686] ? xa_clear_mark+0x40/0x40 [ 717.053569] ? zap_class+0x640/0x640 [ 717.057282] ? zap_class+0x640/0x640 [ 717.060990] ? zap_class+0x640/0x640 [ 717.064711] ? __do_page_cache_readahead+0x663/0x810 [ 717.069831] ? find_held_lock+0x36/0x1c0 [ 717.073890] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 717.079428] alloc_pages_current+0x173/0x350 [ 717.083835] __page_cache_alloc+0x38c/0x5c0 [ 717.088146] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 717.093071] ? kasan_check_read+0x11/0x20 [ 717.097222] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 717.102491] ? generic_perform_write+0x6a0/0x6a0 [ 717.107244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.112773] ? check_preemption_disabled+0x48/0x280 [ 717.118062] filemap_fault+0x1595/0x25f0 [ 717.122139] ? __lock_page_or_retry+0xa00/0xa00 [ 717.126804] ? mark_held_locks+0x130/0x130 [ 717.131146] ? filemap_map_pages+0xd6b/0x1a20 [ 717.135636] ? lock_downgrade+0x900/0x900 [ 717.139776] ? check_preemption_disabled+0x48/0x280 [ 717.144790] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 717.149712] ? kasan_check_read+0x11/0x20 [ 717.153854] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 717.159131] ? rcu_softirq_qs+0x20/0x20 [ 717.163114] ? filemap_map_pages+0xd92/0x1a20 [ 717.167614] ? find_get_entries_tag+0x1400/0x1400 [ 717.172450] ? futex_wake+0x760/0x760 [ 717.176253] ? lock_acquire+0x1ed/0x520 [ 717.180218] ? ext4_filemap_fault+0x7a/0xad [ 717.184538] ? lock_release+0xa00/0xa00 [ 717.188504] ? perf_trace_sched_process_exec+0x860/0x860 [ 717.193949] ? print_usage_bug+0xc0/0xc0 [ 717.198026] ? print_usage_bug+0xc0/0xc0 [ 717.202088] ? down_read+0x8d/0x120 [ 717.205713] ? ext4_filemap_fault+0x7a/0xad [ 717.210031] ? __down_interruptible+0x700/0x700 [ 717.214960] ext4_filemap_fault+0x82/0xad [ 717.219111] __do_fault+0x100/0x6b0 [ 717.222770] ? pmd_devmap_trans_unstable+0x220/0x220 [ 717.227867] ? mark_held_locks+0x130/0x130 [ 717.232093] ? mark_held_locks+0x130/0x130 [ 717.236333] ? __might_fault+0x12b/0x1e0 [ 717.240385] ? lock_downgrade+0x900/0x900 [ 717.244526] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.250054] __handle_mm_fault+0x3ea0/0x5be0 [ 717.254477] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 717.259316] ? kasan_check_read+0x11/0x20 [ 717.263457] ? _copy_to_user+0xc8/0x110 [ 717.267437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.272978] ? zap_class+0x640/0x640 [ 717.276685] ? zap_class+0x640/0x640 [ 717.280402] ? find_held_lock+0x36/0x1c0 [ 717.284495] ? handle_mm_fault+0x42a/0xc70 [ 717.288722] ? lock_downgrade+0x900/0x900 [ 717.292874] ? check_preemption_disabled+0x48/0x280 [ 717.297886] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 717.302802] ? kasan_check_read+0x11/0x20 [ 717.306942] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 717.312214] ? rcu_softirq_qs+0x20/0x20 [ 717.316390] ? trace_hardirqs_off_caller+0x310/0x310 [ 717.321489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.327019] ? check_preemption_disabled+0x48/0x280 [ 717.332056] handle_mm_fault+0x54f/0xc70 [ 717.336137] ? __handle_mm_fault+0x5be0/0x5be0 [ 717.340718] ? find_vma+0x34/0x190 [ 717.344270] __do_page_fault+0x5e8/0xe60 [ 717.348323] ? trace_hardirqs_off+0xb8/0x310 [ 717.352734] do_page_fault+0xf2/0x7e0 [ 717.356526] ? vmalloc_sync_all+0x30/0x30 [ 717.360683] ? error_entry+0x70/0xd0 [ 717.364392] ? trace_hardirqs_off_caller+0xbb/0x310 [ 717.369402] ? trace_hardirqs_on_caller+0xc0/0x310 [ 717.374343] ? syscall_return_slowpath+0x5e0/0x5e0 [ 717.379262] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 717.384103] ? trace_hardirqs_on_caller+0x310/0x310 [ 717.389139] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 717.394590] ? prepare_exit_to_usermode+0x291/0x3b0 [ 717.399597] ? page_fault+0x8/0x30 [ 717.403133] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 717.407973] ? page_fault+0x8/0x30 [ 717.411517] page_fault+0x1e/0x30 [ 717.415220] RIP: 0033:0x407e06 [ 717.418430] Code: Bad RIP value. [ 717.421779] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 717.427139] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 717.434411] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 717.441670] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 717.448924] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 717.456184] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 717.463491] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 717.463549] aoe: skb alloc failure [ 717.470760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.470767] Call Trace: [ 717.474335] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 717.483652] dump_stack+0x244/0x39d [ 717.486201] syz-fuzzer cpuset=/ mems_allowed=0 [ 717.496496] ? dump_stack_print_info.cold.1+0x20/0x20 [ 717.509843] warn_alloc.cold.116+0xb7/0x1bd [ 717.514620] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 717.519475] ? lock_downgrade+0x900/0x900 [ 717.523631] ? trace_hardirqs_off+0xb8/0x310 [ 717.528062] ? trace_hardirqs_off+0xb8/0x310 [ 717.532500] __alloc_pages_slowpath+0x26e8/0x2e10 [ 717.537353] ? warn_alloc+0x120/0x120 [ 717.541149] ? zap_class+0x640/0x640 [ 717.544860] ? warn_alloc+0x120/0x120 [ 717.548655] ? warn_alloc+0x120/0x120 [ 717.552446] ? print_usage_bug+0xc0/0xc0 [ 717.556497] ? find_held_lock+0x36/0x1c0 [ 717.560557] ? print_usage_bug+0xc0/0xc0 [ 717.564622] ? cpuacct_charge+0x265/0x440 [ 717.568889] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.574419] ? should_fail+0x22d/0xd01 [ 717.578294] ? find_held_lock+0x36/0x1c0 [ 717.582367] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 717.587484] ? __lock_acquire+0x62f/0x4c20 [ 717.591737] ? should_fail+0x22d/0xd01 [ 717.595632] ? mark_held_locks+0x130/0x130 [ 717.599870] ? mark_held_locks+0x130/0x130 [ 717.604120] ? __lock_acquire+0x62f/0x4c20 [ 717.608364] ? zap_class+0x640/0x640 [ 717.612069] ? __lock_is_held+0xb5/0x140 [ 717.616610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.622161] ? check_preemption_disabled+0x48/0x280 [ 717.627183] ? __lock_is_held+0xb5/0x140 [ 717.631243] __alloc_pages_nodemask+0xa80/0xde0 [ 717.635900] ? zap_class+0x640/0x640 [ 717.639612] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 717.644644] ? find_held_lock+0x36/0x1c0 [ 717.648725] ? ____cache_alloc_node+0x1c7/0x1e0 [ 717.653387] ? lock_downgrade+0x900/0x900 [ 717.657536] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 717.663073] cache_grow_begin+0xa5/0x8c0 [ 717.667133] ? do_raw_spin_unlock+0xa7/0x330 [ 717.671542] fallback_alloc+0x204/0x2e0 [ 717.675521] ____cache_alloc_node+0x1c7/0x1e0 [ 717.680018] kmem_cache_alloc+0x1f8/0x730 [ 717.684198] skb_clone+0x1bb/0x500 [ 717.687747] ? finish_task_switch+0x1b4/0x910 [ 717.692267] ? skb_split+0x11e0/0x11e0 [ 717.696155] ? preempt_notifier_register+0x200/0x200 [ 717.701249] ? __switch_to_asm+0x34/0x70 [ 717.705323] ? __switch_to_asm+0x34/0x70 [ 717.709379] ? __switch_to_asm+0x40/0x70 [ 717.713639] ? __switch_to_asm+0x34/0x70 [ 717.717690] ? __switch_to_asm+0x40/0x70 [ 717.721746] ? __switch_to_asm+0x34/0x70 [ 717.725814] ? __switch_to_asm+0x40/0x70 [ 717.729877] ? __switch_to_asm+0x34/0x70 [ 717.733930] ? __switch_to_asm+0x34/0x70 [ 717.737985] ? __switch_to_asm+0x40/0x70 [ 717.742042] ? __switch_to_asm+0x34/0x70 [ 717.746113] bpf_clone_redirect+0xb9/0x490 [ 717.750382] ? __schedule+0x8d7/0x21d0 [ 717.754268] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 717.759277] ? __sched_text_start+0x8/0x8 [ 717.763421] ? retint_kernel+0x2d/0x2d [ 717.767316] ? find_held_lock+0x36/0x1c0 [ 717.771378] ? lock_acquire+0x1ed/0x520 [ 717.775347] ? bpf_test_run+0x3cb/0x780 [ 717.779319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.784853] ? check_preemption_disabled+0x48/0x280 [ 717.789872] ? kasan_check_read+0x11/0x20 [ 717.794013] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 717.799282] ? rcu_softirq_qs+0x20/0x20 [ 717.803255] ? preempt_schedule+0x4d/0x60 [ 717.807403] ? ___preempt_schedule+0x16/0x18 [ 717.811929] ? bpf_test_run+0x25d/0x780 [ 717.816355] ? netlink_diag_dump+0x2a0/0x2a0 [ 717.820797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.826328] ? bpf_test_init.isra.10+0x70/0x100 [ 717.831552] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 717.836317] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 717.841166] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 717.846705] ? fput+0x130/0x1a0 [ 717.849983] ? __bpf_prog_get+0x9b/0x290 [ 717.854046] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 717.858886] ? bpf_prog_test_run+0x130/0x1a0 [ 717.863295] ? __x64_sys_bpf+0x3db/0x520 [ 717.867350] ? bpf_prog_get+0x20/0x20 [ 717.871175] ? do_syscall_64+0x1b9/0x820 [ 717.875230] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 717.880595] ? syscall_return_slowpath+0x5e0/0x5e0 [ 717.885515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 717.890357] ? trace_hardirqs_on_caller+0x310/0x310 [ 717.895388] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 717.900407] ? prepare_exit_to_usermode+0x291/0x3b0 [ 717.905424] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 717.910265] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.915910] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 717.915915] warn_alloc_show_mem: 1 callbacks suppressed [ 717.915922] Mem-Info: [ 717.922924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.928291] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 717.928291] active_file:32 inactive_file:0 isolated_file:0 [ 717.928291] unevictable:0 dirty:0 writeback:0 unstable:0 [ 717.928291] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 717.928291] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 717.928291] free:13730 free_pcp:227 free_cma:0 [ 717.930655] Call Trace: [ 717.940024] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 717.972948] [ 717.975509] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 718.003343] dump_stack+0x244/0x39d [ 718.005461] lowmem_reserve[]: 0 2818 6321 6321 [ 718.031811] ? dump_stack_print_info.cold.1+0x20/0x20 [ 718.035497] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 718.040101] warn_alloc.cold.116+0xb7/0x1bd [ 718.045239] lowmem_reserve[]: 0 0 3503 3503 [ 718.072834] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 718.077120] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 718.081432] ? lock_downgrade+0x900/0x900 [ 718.086239] lowmem_reserve[]: 0 0 0 0 [ 718.115574] ? trace_hardirqs_off+0xb8/0x310 [ 718.119693] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 718.123489] ? trace_hardirqs_off+0xb8/0x310 [ 718.127884] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 718.141398] __alloc_pages_slowpath+0x26e8/0x2e10 [ 718.145770] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 718.160539] ? warn_alloc+0x120/0x120 [ 718.165337] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 718.179455] ? warn_alloc+0x120/0x120 [ 718.183234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 718.192050] ? warn_alloc+0x120/0x120 [ 718.195827] 6658 total pagecache pages [ 718.204388] ? print_usage_bug+0xc0/0xc0 [ 718.208172] 0 pages in swap cache [ 718.212044] ? print_usage_bug+0xc0/0xc0 [ 718.216573] Swap cache stats: add 0, delete 0, find 0/0 [ 718.216586] Free swap = 0kB [ 718.220025] ? ktime_get+0x2c1/0x400 [ 718.224077] Total swap = 0kB [ 718.229436] ? check_preemption_disabled+0x48/0x280 [ 718.232422] 1965979 pages RAM [ 718.236123] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 718.239110] 0 pages HighMem/MovableOnly [ 718.244114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 718.247187] 342853 pages reserved [ 718.251664] ? should_fail+0x22d/0xd01 [ 718.255612] 0 pages cma reserved [ 718.261140] ? kasan_check_read+0x11/0x20 [ 718.275943] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 718.281052] ? __lock_acquire+0x62f/0x4c20 [ 718.285303] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 718.286669] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 718.290411] ? should_fail+0x22d/0xd01 [ 718.300881] syz-executor0 cpuset=syz0 mems_allowed=0 [ 718.304754] ? print_usage_bug+0xc0/0xc0 [ 718.314120] ? mark_held_locks+0x130/0x130 [ 718.318370] ? mark_held_locks+0x130/0x130 [ 718.322612] ? check_preemption_disabled+0x48/0x280 [ 718.327626] ? zap_class+0x640/0x640 [ 718.331337] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 718.336106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.341637] ? check_preemption_disabled+0x48/0x280 [ 718.346653] ? __lock_is_held+0xb5/0x140 [ 718.350731] __alloc_pages_nodemask+0xa80/0xde0 [ 718.355395] ? zap_class+0x640/0x640 [ 718.359113] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 718.364141] ? find_held_lock+0x36/0x1c0 [ 718.368201] ? ____cache_alloc_node+0x1c7/0x1e0 [ 718.372864] ? lock_downgrade+0x900/0x900 [ 718.377021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.382573] cache_grow_begin+0xa5/0x8c0 [ 718.386630] ? do_raw_spin_unlock+0xa7/0x330 [ 718.391041] fallback_alloc+0x204/0x2e0 [ 718.395037] ____cache_alloc_node+0x1c7/0x1e0 [ 718.399545] kmem_cache_alloc_node+0xe3/0x730 [ 718.404034] ? lockdep_hardirqs_on+0x296/0x5b0 [ 718.408630] __alloc_skb+0x119/0x770 [ 718.412339] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 718.417991] ? netdev_alloc_frag+0x1f0/0x1f0 [ 718.422406] ? vprintk_default+0x28/0x30 [ 718.426467] ? vprintk_func+0x85/0x181 [ 718.430350] ? printk+0xa7/0xcf [ 718.433631] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 718.438391] new_skb+0x26/0x1c0 [ 718.441664] aoecmd_cfg+0x279/0x7f0 [ 718.445290] ? find_held_lock+0x36/0x1c0 [ 718.449350] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 718.453672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.459217] ? __lock_is_held+0xb5/0x140 [ 718.463300] discover_timer+0x50/0x60 [ 718.467098] call_timer_fn+0x272/0x920 [ 718.470977] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 718.475811] ? process_timeout+0x40/0x40 [ 718.479889] ? mark_held_locks+0xc7/0x130 [ 718.484031] ? _raw_spin_unlock_irq+0x27/0x80 [ 718.488524] ? _raw_spin_unlock_irq+0x27/0x80 [ 718.493015] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 718.497852] ? lockdep_hardirqs_on+0x296/0x5b0 [ 718.502462] ? trace_hardirqs_on+0xbd/0x310 [ 718.506776] ? kasan_check_read+0x11/0x20 [ 718.510914] ? __run_timers+0x7da/0xc70 [ 718.515130] ? trace_hardirqs_off_caller+0x310/0x310 [ 718.520240] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 718.525084] __run_timers+0x7e5/0xc70 [ 718.528891] ? timer_fixup_init+0x70/0x70 [ 718.533034] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 718.538060] ? zap_class+0x640/0x640 [ 718.541796] ? print_usage_bug+0xc0/0xc0 [ 718.545858] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 718.551058] ? find_held_lock+0x36/0x1c0 [ 718.555123] ? zap_class+0x640/0x640 [ 718.558837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.564370] ? check_preemption_disabled+0x48/0x280 [ 718.569388] ? __lock_is_held+0xb5/0x140 [ 718.573466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.579022] ? check_preemption_disabled+0x48/0x280 [ 718.584060] run_timer_softirq+0x52/0xb0 [ 718.588137] ? rcu_read_lock_sched_held+0x14f/0x180 [ 718.593152] __do_softirq+0x308/0xb7e [ 718.596946] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 718.601454] ? lock_downgrade+0x900/0x900 [ 718.605612] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 718.610732] ? pvclock_read_flags+0x160/0x160 [ 718.615495] ? lapic_next_event+0x5a/0x90 [ 718.619652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.625192] ? kvm_clock_read+0x18/0x30 [ 718.629175] ? kvm_sched_clock_read+0x9/0x20 [ 718.633578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.639106] ? check_preemption_disabled+0x48/0x280 [ 718.644129] irq_exit+0x17f/0x1c0 [ 718.647581] smp_apic_timer_interrupt+0x1cb/0x760 [ 718.652418] ? smp_reschedule_interrupt+0x109/0x650 [ 718.657431] ? smp_call_function_single_interrupt+0x650/0x650 [ 718.663830] ? interrupt_entry+0xb5/0xc0 [ 718.667891] ? trace_hardirqs_off_caller+0xbb/0x310 [ 718.672901] ? trace_hardirqs_off_caller+0xbb/0x310 [ 718.677915] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 718.682750] ? trace_hardirqs_on_caller+0x310/0x310 [ 718.687758] ? trace_hardirqs_on_caller+0x310/0x310 [ 718.692771] ? task_prio+0x50/0x50 [ 718.696307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.701842] ? check_preemption_disabled+0x48/0x280 [ 718.706856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 718.711701] apic_timer_interrupt+0xf/0x20 [ 718.716162] [ 718.718392] RIP: 0010:console_unlock+0x102f/0x1190 [ 718.723318] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 718.742210] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 718.749914] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 718.757175] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 718.764434] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 718.771690] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 718.778952] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 718.786234] ? netconsole_netdev_event+0x280/0x280 [ 718.791163] ? console_unlock+0x1026/0x1190 [ 718.796078] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 718.800742] ? vprintk_emit+0x846/0x990 [ 718.804711] ? lock_release+0xa00/0xa00 [ 718.808679] ? trace_hardirqs_on+0x70/0x310 [ 718.812992] ? vprintk_default+0x28/0x30 [ 718.817333] ? trace_hardirqs_off_caller+0x310/0x310 [ 718.822432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.827967] vprintk_emit+0x391/0x990 [ 718.831768] ? wake_up_klogd+0x180/0x180 [ 718.835833] ? find_held_lock+0x11/0x1c0 [ 718.839895] ? mark_held_locks+0xc7/0x130 [ 718.844124] ? _raw_spin_unlock_irq+0x27/0x80 [ 718.848613] ? _raw_spin_unlock_irq+0x27/0x80 [ 718.853114] vprintk_default+0x28/0x30 [ 718.856996] vprintk_func+0x7e/0x181 [ 718.860702] printk+0xa7/0xcf [ 718.863800] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 718.868553] ? _raw_spin_unlock_irq+0x60/0x80 [ 718.873094] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 718.878394] dump_header+0x7cc/0xf72 [ 718.882114] ? pagefault_out_of_memory+0x197/0x197 [ 718.887071] ? __lock_acquire+0x62f/0x4c20 [ 718.891324] ? print_usage_bug+0xc0/0xc0 [ 718.895384] ? zap_class+0x640/0x640 [ 718.899095] ? zap_class+0x640/0x640 [ 718.902804] ? print_usage_bug+0xc0/0xc0 [ 718.906859] ? print_usage_bug+0xc0/0xc0 [ 718.910925] ? find_held_lock+0x36/0x1c0 [ 718.915211] ? mark_held_locks+0xc7/0x130 [ 718.919353] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 718.924625] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 718.929725] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 718.934299] ? trace_hardirqs_on+0xbd/0x310 [ 718.938615] ? kasan_check_read+0x11/0x20 [ 718.942753] ? ___ratelimit+0x3b4/0x672 [ 718.946723] ? trace_hardirqs_off_caller+0x310/0x310 [ 718.951848] ? trace_hardirqs_on+0x310/0x310 [ 718.956247] ? lock_downgrade+0x900/0x900 [ 718.960392] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 718.965503] ? ___ratelimit+0x3b9/0x672 [ 718.969488] ? idr_get_free+0xf70/0xf70 [ 718.973456] ? kasan_check_read+0x11/0x20 [ 718.977594] ? do_raw_spin_unlock+0xa7/0x330 [ 718.982011] oom_kill_process.cold.27+0x10/0x903 [ 718.986765] ? zap_class+0x640/0x640 [ 718.990478] ? _raw_spin_unlock+0x2c/0x50 [ 718.994622] ? oom_badness+0xe6/0xaa0 [ 718.998424] ? oom_evaluate_task+0x540/0x540 [ 719.002830] ? find_held_lock+0x36/0x1c0 [ 719.006892] ? out_of_memory+0x974/0x1430 [ 719.011043] ? lock_downgrade+0x900/0x900 [ 719.015457] ? check_preemption_disabled+0x48/0x280 [ 719.020468] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 719.025394] ? kasan_check_read+0x11/0x20 [ 719.029543] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 719.034817] ? rcu_softirq_qs+0x20/0x20 [ 719.038788] ? kasan_check_write+0x14/0x20 [ 719.043018] ? oom_evaluate_task+0x302/0x540 [ 719.047440] out_of_memory+0xa84/0x1430 [ 719.051434] ? oom_killer_disable+0x3a0/0x3a0 [ 719.055942] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 719.060972] ? __ww_mutex_check_waiters+0x160/0x160 [ 719.065995] __alloc_pages_slowpath+0x2354/0x2e10 [ 719.070855] ? warn_alloc+0x120/0x120 [ 719.074656] ? mark_held_locks+0x130/0x130 [ 719.078892] ? find_get_entry+0xaae/0x1120 [ 719.083133] ? filemap_map_pages+0x1a20/0x1a20 [ 719.087721] ? zap_class+0x640/0x640 [ 719.091434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.096970] ? check_preemption_disabled+0x48/0x280 [ 719.101982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.107516] ? should_fail+0x22d/0xd01 [ 719.111403] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 719.116780] ? zap_class+0x640/0x640 [ 719.120510] ? __lock_is_held+0xb5/0x140 [ 719.124578] ? mark_held_locks+0x130/0x130 [ 719.128808] ? lock_release+0xa00/0xa00 [ 719.132790] ? perf_trace_sched_process_exec+0x860/0x860 [ 719.138232] ? xa_load+0x2ba/0x460 [ 719.141766] ? lock_downgrade+0x900/0x900 [ 719.145925] ? __might_sleep+0x95/0x190 [ 719.149900] __alloc_pages_nodemask+0xa80/0xde0 [ 719.154566] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 719.159581] ? __page_cache_alloc+0x191/0x5c0 [ 719.164082] ? xa_load+0x2e1/0x460 [ 719.167616] ? xa_clear_mark+0x40/0x40 [ 719.171496] ? zap_class+0x640/0x640 [ 719.175207] ? zap_class+0x640/0x640 [ 719.178918] ? zap_class+0x640/0x640 [ 719.182628] ? __do_page_cache_readahead+0x663/0x810 [ 719.187731] ? find_held_lock+0x36/0x1c0 [ 719.191790] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 719.197332] alloc_pages_current+0x173/0x350 [ 719.201738] __page_cache_alloc+0x38c/0x5c0 [ 719.206137] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 719.211069] ? kasan_check_read+0x11/0x20 [ 719.215451] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 719.220725] ? generic_perform_write+0x6a0/0x6a0 [ 719.225474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.231003] ? check_preemption_disabled+0x48/0x280 [ 719.236032] filemap_fault+0x1595/0x25f0 [ 719.240101] ? __lock_page_or_retry+0xa00/0xa00 [ 719.244766] ? mark_held_locks+0x130/0x130 [ 719.249002] ? filemap_map_pages+0xd6b/0x1a20 [ 719.253502] ? lock_downgrade+0x900/0x900 [ 719.257731] ? check_preemption_disabled+0x48/0x280 [ 719.262744] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 719.267687] ? kasan_check_read+0x11/0x20 [ 719.271839] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 719.277104] ? rcu_softirq_qs+0x20/0x20 [ 719.281086] ? filemap_map_pages+0xd92/0x1a20 [ 719.285589] ? find_get_entries_tag+0x1400/0x1400 [ 719.290426] ? futex_wake+0x760/0x760 [ 719.294236] ? lock_acquire+0x1ed/0x520 [ 719.298205] ? ext4_filemap_fault+0x7a/0xad [ 719.302540] ? lock_release+0xa00/0xa00 [ 719.306508] ? perf_trace_sched_process_exec+0x860/0x860 [ 719.311954] ? print_usage_bug+0xc0/0xc0 [ 719.316283] ? print_usage_bug+0xc0/0xc0 [ 719.320453] ? down_read+0x8d/0x120 [ 719.324068] ? ext4_filemap_fault+0x7a/0xad [ 719.328386] ? __down_interruptible+0x700/0x700 [ 719.333070] ext4_filemap_fault+0x82/0xad [ 719.337217] __do_fault+0x100/0x6b0 [ 719.340849] ? pmd_devmap_trans_unstable+0x220/0x220 [ 719.346057] ? mark_held_locks+0x130/0x130 [ 719.350304] ? mark_held_locks+0x130/0x130 [ 719.354531] ? __might_fault+0x12b/0x1e0 [ 719.358586] ? lock_downgrade+0x900/0x900 [ 719.362735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.368270] __handle_mm_fault+0x3ea0/0x5be0 [ 719.372680] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 719.377519] ? kasan_check_read+0x11/0x20 [ 719.381662] ? _copy_to_user+0xc8/0x110 [ 719.385643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.391307] ? zap_class+0x640/0x640 [ 719.395035] ? zap_class+0x640/0x640 [ 719.398770] ? find_held_lock+0x36/0x1c0 [ 719.402845] ? handle_mm_fault+0x42a/0xc70 [ 719.407073] ? lock_downgrade+0x900/0x900 [ 719.411220] ? check_preemption_disabled+0x48/0x280 [ 719.416497] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 719.421446] ? kasan_check_read+0x11/0x20 [ 719.425584] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 719.430852] ? rcu_softirq_qs+0x20/0x20 [ 719.434823] ? trace_hardirqs_off_caller+0x310/0x310 [ 719.439920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.445452] ? check_preemption_disabled+0x48/0x280 [ 719.450469] handle_mm_fault+0x54f/0xc70 [ 719.454546] ? __handle_mm_fault+0x5be0/0x5be0 [ 719.459125] ? find_vma+0x34/0x190 [ 719.462680] __do_page_fault+0x5e8/0xe60 [ 719.466735] ? trace_hardirqs_off+0xb8/0x310 [ 719.471282] do_page_fault+0xf2/0x7e0 [ 719.475082] ? vmalloc_sync_all+0x30/0x30 [ 719.479229] ? error_entry+0x70/0xd0 [ 719.482938] ? trace_hardirqs_off_caller+0xbb/0x310 [ 719.487944] ? trace_hardirqs_on_caller+0xc0/0x310 [ 719.492881] ? syscall_return_slowpath+0x5e0/0x5e0 [ 719.497890] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.502738] ? trace_hardirqs_on_caller+0x310/0x310 [ 719.507747] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 719.513197] ? prepare_exit_to_usermode+0x291/0x3b0 [ 719.518469] ? page_fault+0x8/0x30 [ 719.522010] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.526862] ? page_fault+0x8/0x30 [ 719.530394] page_fault+0x1e/0x30 [ 719.533838] RIP: 0033:0x407e06 [ 719.537050] Code: Bad RIP value. [ 719.540418] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 719.545775] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 719.553054] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 719.560319] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 719.567577] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 719.574837] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 719.582128] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 719.582188] aoe: skb alloc failure [ 719.589403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 719.589410] Call Trace: [ 719.593003] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 719.602277] dump_stack+0x244/0x39d [ 719.604828] syz-fuzzer cpuset=/ mems_allowed=0 [ 719.615338] ? dump_stack_print_info.cold.1+0x20/0x20 [ 719.628678] warn_alloc.cold.116+0xb7/0x1bd [ 719.632990] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 719.637865] ? lock_downgrade+0x900/0x900 [ 719.642030] ? trace_hardirqs_off+0xb8/0x310 [ 719.646462] ? trace_hardirqs_off+0xb8/0x310 [ 719.650876] __alloc_pages_slowpath+0x26e8/0x2e10 [ 719.655760] ? warn_alloc+0x120/0x120 [ 719.659561] ? zap_class+0x640/0x640 [ 719.663273] ? warn_alloc+0x120/0x120 [ 719.667078] ? warn_alloc+0x120/0x120 [ 719.670871] ? print_usage_bug+0xc0/0xc0 [ 719.674937] ? find_held_lock+0x36/0x1c0 [ 719.678996] ? print_usage_bug+0xc0/0xc0 [ 719.683068] ? cpuacct_charge+0x265/0x440 [ 719.687217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.692752] ? should_fail+0x22d/0xd01 [ 719.696629] ? find_held_lock+0x36/0x1c0 [ 719.700689] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 719.705789] ? __lock_acquire+0x62f/0x4c20 [ 719.710033] ? should_fail+0x22d/0xd01 [ 719.714380] ? mark_held_locks+0x130/0x130 [ 719.718622] ? mark_held_locks+0x130/0x130 [ 719.722852] ? __lock_acquire+0x62f/0x4c20 [ 719.727089] ? zap_class+0x640/0x640 [ 719.730799] ? __lock_is_held+0xb5/0x140 [ 719.734873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.740404] ? check_preemption_disabled+0x48/0x280 [ 719.745515] ? __lock_is_held+0xb5/0x140 [ 719.749581] __alloc_pages_nodemask+0xa80/0xde0 [ 719.754245] ? zap_class+0x640/0x640 [ 719.757957] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 719.762982] ? find_held_lock+0x36/0x1c0 [ 719.767056] ? ____cache_alloc_node+0x1c7/0x1e0 [ 719.771756] ? lock_downgrade+0x900/0x900 [ 719.775908] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 719.781453] cache_grow_begin+0xa5/0x8c0 [ 719.785508] ? do_raw_spin_unlock+0xa7/0x330 [ 719.789922] fallback_alloc+0x204/0x2e0 [ 719.793911] ____cache_alloc_node+0x1c7/0x1e0 [ 719.798403] kmem_cache_alloc+0x1f8/0x730 [ 719.802678] skb_clone+0x1bb/0x500 [ 719.806217] ? finish_task_switch+0x1b4/0x910 [ 719.810709] ? skb_split+0x11e0/0x11e0 [ 719.815282] ? preempt_notifier_register+0x200/0x200 [ 719.820381] ? __switch_to_asm+0x34/0x70 [ 719.824453] ? __switch_to_asm+0x34/0x70 [ 719.829052] ? __switch_to_asm+0x40/0x70 [ 719.833106] ? __switch_to_asm+0x34/0x70 [ 719.837160] ? __switch_to_asm+0x40/0x70 [ 719.841216] ? __switch_to_asm+0x34/0x70 [ 719.845267] ? __switch_to_asm+0x40/0x70 [ 719.849321] ? __switch_to_asm+0x34/0x70 [ 719.853382] ? __switch_to_asm+0x34/0x70 [ 719.857445] ? __switch_to_asm+0x40/0x70 [ 719.861499] ? __switch_to_asm+0x34/0x70 [ 719.865565] bpf_clone_redirect+0xb9/0x490 [ 719.869798] ? __schedule+0x8d7/0x21d0 [ 719.873707] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 719.878720] ? __sched_text_start+0x8/0x8 [ 719.882868] ? retint_kernel+0x2d/0x2d [ 719.886763] ? find_held_lock+0x36/0x1c0 [ 719.890830] ? lock_acquire+0x1ed/0x520 [ 719.894800] ? bpf_test_run+0x3cb/0x780 [ 719.898776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.904308] ? check_preemption_disabled+0x48/0x280 [ 719.909326] ? kasan_check_read+0x11/0x20 [ 719.913923] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 719.919277] ? rcu_softirq_qs+0x20/0x20 [ 719.923249] ? preempt_schedule+0x4d/0x60 [ 719.927398] ? ___preempt_schedule+0x16/0x18 [ 719.931833] ? bpf_test_run+0x25d/0x780 [ 719.935815] ? netlink_diag_dump+0x2a0/0x2a0 [ 719.940239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.945774] ? bpf_test_init.isra.10+0x70/0x100 [ 719.950449] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 719.955210] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 719.960048] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 719.965583] ? fput+0x130/0x1a0 [ 719.968862] ? __bpf_prog_get+0x9b/0x290 [ 719.972924] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 719.977761] ? bpf_prog_test_run+0x130/0x1a0 [ 719.982167] ? __x64_sys_bpf+0x3db/0x520 [ 719.986225] ? bpf_prog_get+0x20/0x20 [ 719.990050] ? do_syscall_64+0x1b9/0x820 [ 719.994103] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 719.999465] ? syscall_return_slowpath+0x5e0/0x5e0 [ 720.004408] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.009262] ? trace_hardirqs_on_caller+0x310/0x310 [ 720.014551] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 720.019566] ? prepare_exit_to_usermode+0x291/0x3b0 [ 720.024584] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.029428] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 720.035273] warn_alloc_show_mem: 1 callbacks suppressed [ 720.035282] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 720.035284] Mem-Info: [ 720.035318] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 720.035318] active_file:32 inactive_file:0 isolated_file:0 [ 720.035318] unevictable:0 dirty:0 writeback:0 unstable:0 [ 720.035318] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 720.035318] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 720.035318] free:13730 free_pcp:227 free_cma:0 [ 720.040648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 720.047658] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 720.050058] Call Trace: [ 720.083204] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 720.092550] [ 720.121157] lowmem_reserve[]: 0 2818 6321 6321 [ 720.123751] dump_stack+0x244/0x39d [ 720.149826] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 720.151971] ? dump_stack_print_info.cold.1+0x20/0x20 [ 720.156524] lowmem_reserve[]: 0 0 3503 3503 [ 720.160150] warn_alloc.cold.116+0xb7/0x1bd [ 720.187606] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 720.192785] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 720.197074] lowmem_reserve[]: 0 0 0 0 [ 720.201393] ? lock_downgrade+0x900/0x900 [ 720.231282] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 720.236125] ? trace_hardirqs_off+0xb8/0x310 [ 720.239989] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 720.244133] ? trace_hardirqs_off+0xb8/0x310 [ 720.257623] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 720.262047] __alloc_pages_slowpath+0x26e8/0x2e10 [ 720.276759] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 720.281182] ? warn_alloc+0x120/0x120 [ 720.295266] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 720.300099] ? warn_alloc+0x120/0x120 [ 720.308923] 6658 total pagecache pages [ 720.312707] ? warn_alloc+0x120/0x120 [ 720.321495] 0 pages in swap cache [ 720.325275] ? print_usage_bug+0xc0/0xc0 [ 720.329156] Swap cache stats: add 0, delete 0, find 0/0 [ 720.332951] ? print_usage_bug+0xc0/0xc0 [ 720.336375] Free swap = 0kB [ 720.340415] ? ktime_get+0x2c1/0x400 [ 720.345748] Total swap = 0kB [ 720.349796] ? check_preemption_disabled+0x48/0x280 [ 720.352787] 1965979 pages RAM [ 720.356484] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 720.359474] 0 pages HighMem/MovableOnly [ 720.364477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.367551] 342853 pages reserved [ 720.372053] ? should_fail+0x22d/0xd01 [ 720.376001] 0 pages cma reserved [ 720.381548] ? kasan_check_read+0x11/0x20 [ 720.396366] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 720.401473] ? __lock_acquire+0x62f/0x4c20 [ 720.405714] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 720.406609] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 720.410808] ? should_fail+0x22d/0xd01 [ 720.421544] kworker/1:0 cpuset=/ mems_allowed=0 [ 720.425417] ? print_usage_bug+0xc0/0xc0 [ 720.434130] ? mark_held_locks+0x130/0x130 [ 720.438370] ? mark_held_locks+0x130/0x130 [ 720.442612] ? check_preemption_disabled+0x48/0x280 [ 720.447628] ? zap_class+0x640/0x640 [ 720.451335] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 720.456093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.461641] ? check_preemption_disabled+0x48/0x280 [ 720.466660] ? __lock_is_held+0xb5/0x140 [ 720.470839] __alloc_pages_nodemask+0xa80/0xde0 [ 720.475504] ? zap_class+0x640/0x640 [ 720.479218] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 720.484237] ? find_held_lock+0x36/0x1c0 [ 720.488301] ? ____cache_alloc_node+0x1c7/0x1e0 [ 720.492979] ? lock_downgrade+0x900/0x900 [ 720.497170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.502700] cache_grow_begin+0xa5/0x8c0 [ 720.506749] ? do_raw_spin_unlock+0xa7/0x330 [ 720.511170] fallback_alloc+0x204/0x2e0 [ 720.515144] ____cache_alloc_node+0x1c7/0x1e0 [ 720.519864] kmem_cache_alloc_node+0xe3/0x730 [ 720.524374] ? lockdep_hardirqs_on+0x296/0x5b0 [ 720.528962] __alloc_skb+0x119/0x770 [ 720.532680] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 720.538039] ? netdev_alloc_frag+0x1f0/0x1f0 [ 720.542537] ? vprintk_default+0x28/0x30 [ 720.546599] ? vprintk_func+0x85/0x181 [ 720.550479] ? printk+0xa7/0xcf [ 720.553764] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 720.558520] new_skb+0x26/0x1c0 [ 720.561798] aoecmd_cfg+0x279/0x7f0 [ 720.565430] ? find_held_lock+0x36/0x1c0 [ 720.569490] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 720.573816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.579357] ? __lock_is_held+0xb5/0x140 [ 720.583421] discover_timer+0x50/0x60 [ 720.587214] call_timer_fn+0x272/0x920 [ 720.591095] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 720.595928] ? process_timeout+0x40/0x40 [ 720.600005] ? mark_held_locks+0xc7/0x130 [ 720.604146] ? _raw_spin_unlock_irq+0x27/0x80 [ 720.608635] ? _raw_spin_unlock_irq+0x27/0x80 [ 720.613118] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 720.618211] ? lockdep_hardirqs_on+0x296/0x5b0 [ 720.622786] ? trace_hardirqs_on+0xbd/0x310 [ 720.627101] ? kasan_check_read+0x11/0x20 [ 720.631238] ? __run_timers+0x7da/0xc70 [ 720.635205] ? trace_hardirqs_off_caller+0x310/0x310 [ 720.640313] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 720.645153] __run_timers+0x7e5/0xc70 [ 720.648956] ? timer_fixup_init+0x70/0x70 [ 720.653129] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 720.658143] ? zap_class+0x640/0x640 [ 720.662369] ? print_usage_bug+0xc0/0xc0 [ 720.666425] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 720.671631] ? find_held_lock+0x36/0x1c0 [ 720.675692] ? zap_class+0x640/0x640 [ 720.679407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.684939] ? check_preemption_disabled+0x48/0x280 [ 720.689956] ? __lock_is_held+0xb5/0x140 [ 720.694022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.699555] ? check_preemption_disabled+0x48/0x280 [ 720.704570] run_timer_softirq+0x52/0xb0 [ 720.708652] ? rcu_read_lock_sched_held+0x14f/0x180 [ 720.713659] __do_softirq+0x308/0xb7e [ 720.717732] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 720.722231] ? lock_downgrade+0x900/0x900 [ 720.726380] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 720.731486] ? pvclock_read_flags+0x160/0x160 [ 720.735980] ? lapic_next_event+0x5a/0x90 [ 720.740131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.745665] ? kvm_clock_read+0x18/0x30 [ 720.749635] ? kvm_sched_clock_read+0x9/0x20 [ 720.754043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.759587] ? check_preemption_disabled+0x48/0x280 [ 720.764600] irq_exit+0x17f/0x1c0 [ 720.768049] smp_apic_timer_interrupt+0x1cb/0x760 [ 720.772881] ? smp_reschedule_interrupt+0x109/0x650 [ 720.777895] ? smp_call_function_single_interrupt+0x650/0x650 [ 720.783772] ? interrupt_entry+0xb5/0xc0 [ 720.787833] ? trace_hardirqs_off_caller+0xbb/0x310 [ 720.792840] ? trace_hardirqs_off_caller+0xbb/0x310 [ 720.797853] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.802690] ? trace_hardirqs_on_caller+0x310/0x310 [ 720.808142] ? trace_hardirqs_on_caller+0x310/0x310 [ 720.813148] ? task_prio+0x50/0x50 [ 720.816982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.822619] ? check_preemption_disabled+0x48/0x280 [ 720.827639] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.832494] apic_timer_interrupt+0xf/0x20 [ 720.836720] [ 720.838987] RIP: 0010:console_unlock+0x102f/0x1190 [ 720.843923] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 720.862816] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 720.870521] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 720.877781] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 720.885052] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 720.892315] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 720.899575] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 720.906843] ? netconsole_netdev_event+0x280/0x280 [ 720.911774] ? console_unlock+0x1026/0x1190 [ 720.916379] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 720.921038] ? vprintk_emit+0x846/0x990 [ 720.925013] ? lock_release+0xa00/0xa00 [ 720.928998] ? trace_hardirqs_on+0x70/0x310 [ 720.933313] ? vprintk_default+0x28/0x30 [ 720.937372] ? trace_hardirqs_off_caller+0x310/0x310 [ 720.942474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.948017] vprintk_emit+0x391/0x990 [ 720.951818] ? wake_up_klogd+0x180/0x180 [ 720.955879] ? find_held_lock+0x11/0x1c0 [ 720.959974] ? mark_held_locks+0xc7/0x130 [ 720.964137] ? _raw_spin_unlock_irq+0x27/0x80 [ 720.968622] ? _raw_spin_unlock_irq+0x27/0x80 [ 720.973120] vprintk_default+0x28/0x30 [ 720.977003] vprintk_func+0x7e/0x181 [ 720.980713] printk+0xa7/0xcf [ 720.983813] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 720.988562] ? _raw_spin_unlock_irq+0x60/0x80 [ 720.993062] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 720.998340] dump_header+0x7cc/0xf72 [ 721.002060] ? pagefault_out_of_memory+0x197/0x197 [ 721.007005] ? __lock_acquire+0x62f/0x4c20 [ 721.011236] ? print_usage_bug+0xc0/0xc0 [ 721.015452] ? zap_class+0x640/0x640 [ 721.019150] ? zap_class+0x640/0x640 [ 721.022860] ? print_usage_bug+0xc0/0xc0 [ 721.026914] ? print_usage_bug+0xc0/0xc0 [ 721.030988] ? find_held_lock+0x36/0x1c0 [ 721.035073] ? mark_held_locks+0xc7/0x130 [ 721.039218] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 721.044316] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 721.049511] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 721.054092] ? trace_hardirqs_on+0xbd/0x310 [ 721.058410] ? kasan_check_read+0x11/0x20 [ 721.062551] ? ___ratelimit+0x3b4/0x672 [ 721.066520] ? trace_hardirqs_off_caller+0x310/0x310 [ 721.071618] ? trace_hardirqs_on+0x310/0x310 [ 721.076023] ? lock_downgrade+0x900/0x900 [ 721.080172] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 721.085269] ? ___ratelimit+0x3b9/0x672 [ 721.089243] ? idr_get_free+0xf70/0xf70 [ 721.093223] ? kasan_check_read+0x11/0x20 [ 721.097475] ? do_raw_spin_unlock+0xa7/0x330 [ 721.101887] oom_kill_process.cold.27+0x10/0x903 [ 721.106640] ? zap_class+0x640/0x640 [ 721.110364] ? _raw_spin_unlock+0x2c/0x50 [ 721.114508] ? oom_badness+0xe6/0xaa0 [ 721.118550] ? oom_evaluate_task+0x540/0x540 [ 721.122955] ? find_held_lock+0x36/0x1c0 [ 721.127049] ? out_of_memory+0x974/0x1430 [ 721.131192] ? lock_downgrade+0x900/0x900 [ 721.135338] ? check_preemption_disabled+0x48/0x280 [ 721.140350] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 721.145271] ? kasan_check_read+0x11/0x20 [ 721.149405] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 721.154671] ? rcu_softirq_qs+0x20/0x20 [ 721.158643] ? kasan_check_write+0x14/0x20 [ 721.162880] ? oom_evaluate_task+0x302/0x540 [ 721.167283] out_of_memory+0xa84/0x1430 [ 721.171259] ? oom_killer_disable+0x3a0/0x3a0 [ 721.175755] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 721.180696] ? __ww_mutex_check_waiters+0x160/0x160 [ 721.185718] __alloc_pages_slowpath+0x2354/0x2e10 [ 721.190578] ? warn_alloc+0x120/0x120 [ 721.194370] ? mark_held_locks+0x130/0x130 [ 721.198601] ? find_get_entry+0xaae/0x1120 [ 721.202833] ? filemap_map_pages+0x1a20/0x1a20 [ 721.207405] ? zap_class+0x640/0x640 [ 721.211114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.216895] ? check_preemption_disabled+0x48/0x280 [ 721.221905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 721.227439] ? should_fail+0x22d/0xd01 [ 721.231335] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 721.236432] ? zap_class+0x640/0x640 [ 721.240162] ? __lock_is_held+0xb5/0x140 [ 721.244228] ? mark_held_locks+0x130/0x130 [ 721.248464] ? lock_release+0xa00/0xa00 [ 721.252434] ? perf_trace_sched_process_exec+0x860/0x860 [ 721.257880] ? xa_load+0x2ba/0x460 [ 721.261417] ? lock_downgrade+0x900/0x900 [ 721.265562] ? __might_sleep+0x95/0x190 [ 721.269532] __alloc_pages_nodemask+0xa80/0xde0 [ 721.274201] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 721.279213] ? __page_cache_alloc+0x191/0x5c0 [ 721.283698] ? xa_load+0x2e1/0x460 [ 721.287231] ? xa_clear_mark+0x40/0x40 [ 721.291112] ? zap_class+0x640/0x640 [ 721.294827] ? zap_class+0x640/0x640 [ 721.298534] ? zap_class+0x640/0x640 [ 721.302238] ? __do_page_cache_readahead+0x663/0x810 [ 721.307337] ? find_held_lock+0x36/0x1c0 [ 721.311391] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 721.317716] alloc_pages_current+0x173/0x350 [ 721.322124] __page_cache_alloc+0x38c/0x5c0 [ 721.326433] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 721.331352] ? kasan_check_read+0x11/0x20 [ 721.335511] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 721.340779] ? generic_perform_write+0x6a0/0x6a0 [ 721.345524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 721.351050] ? check_preemption_disabled+0x48/0x280 [ 721.356079] filemap_fault+0x1595/0x25f0 [ 721.360247] ? __lock_page_or_retry+0xa00/0xa00 [ 721.364921] ? mark_held_locks+0x130/0x130 [ 721.369166] ? filemap_map_pages+0xd6b/0x1a20 [ 721.373670] ? lock_downgrade+0x900/0x900 [ 721.377811] ? check_preemption_disabled+0x48/0x280 [ 721.382824] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 721.387744] ? kasan_check_read+0x11/0x20 [ 721.391885] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 721.397153] ? rcu_softirq_qs+0x20/0x20 [ 721.401134] ? filemap_map_pages+0xd92/0x1a20 [ 721.405637] ? find_get_entries_tag+0x1400/0x1400 [ 721.410478] ? futex_wake+0x760/0x760 [ 721.414284] ? lock_acquire+0x1ed/0x520 [ 721.418475] ? ext4_filemap_fault+0x7a/0xad [ 721.422800] ? lock_release+0xa00/0xa00 [ 721.426765] ? perf_trace_sched_process_exec+0x860/0x860 [ 721.432210] ? print_usage_bug+0xc0/0xc0 [ 721.436273] ? print_usage_bug+0xc0/0xc0 [ 721.440335] ? down_read+0x8d/0x120 [ 721.443960] ? ext4_filemap_fault+0x7a/0xad [ 721.448290] ? __down_interruptible+0x700/0x700 [ 721.452965] ext4_filemap_fault+0x82/0xad [ 721.457114] __do_fault+0x100/0x6b0 [ 721.460754] ? pmd_devmap_trans_unstable+0x220/0x220 [ 721.465884] ? mark_held_locks+0x130/0x130 [ 721.470119] ? mark_held_locks+0x130/0x130 [ 721.474352] ? __might_fault+0x12b/0x1e0 [ 721.478413] ? lock_downgrade+0x900/0x900 [ 721.482564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 721.488101] __handle_mm_fault+0x3ea0/0x5be0 [ 721.492511] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 721.497479] ? kasan_check_read+0x11/0x20 [ 721.501621] ? _copy_to_user+0xc8/0x110 [ 721.505591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 721.511262] ? zap_class+0x640/0x640 [ 721.514996] ? zap_class+0x640/0x640 [ 721.519050] ? find_held_lock+0x36/0x1c0 [ 721.523117] ? handle_mm_fault+0x42a/0xc70 [ 721.527345] ? lock_downgrade+0x900/0x900 [ 721.531496] ? check_preemption_disabled+0x48/0x280 [ 721.536512] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 721.541434] ? kasan_check_read+0x11/0x20 [ 721.545578] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 721.550848] ? rcu_softirq_qs+0x20/0x20 [ 721.554822] ? trace_hardirqs_off_caller+0x310/0x310 [ 721.559920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 721.565462] ? check_preemption_disabled+0x48/0x280 [ 721.570480] handle_mm_fault+0x54f/0xc70 [ 721.574539] ? __handle_mm_fault+0x5be0/0x5be0 [ 721.579125] ? find_vma+0x34/0x190 [ 721.582666] __do_page_fault+0x5e8/0xe60 [ 721.586721] ? trace_hardirqs_off+0xb8/0x310 [ 721.591132] do_page_fault+0xf2/0x7e0 [ 721.594928] ? vmalloc_sync_all+0x30/0x30 [ 721.599097] ? error_entry+0x70/0xd0 [ 721.602819] ? trace_hardirqs_off_caller+0xbb/0x310 [ 721.607828] ? trace_hardirqs_on_caller+0xc0/0x310 [ 721.612748] ? syscall_return_slowpath+0x5e0/0x5e0 [ 721.617919] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 721.622763] ? trace_hardirqs_on_caller+0x310/0x310 [ 721.627773] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 721.633237] ? prepare_exit_to_usermode+0x291/0x3b0 [ 721.638247] ? page_fault+0x8/0x30 [ 721.641783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 721.646620] ? page_fault+0x8/0x30 [ 721.650156] page_fault+0x1e/0x30 [ 721.653605] RIP: 0033:0x407e06 [ 721.656813] Code: Bad RIP value. [ 721.660167] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 721.666018] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 721.673280] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 721.680541] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 721.687805] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 721.695066] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 721.702356] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 721.702424] aoe: skb alloc failure [ 721.709281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 721.709300] Workqueue: events_power_efficient neigh_periodic_work [ 721.712866] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 721.722619] Call Trace: [ 721.728831] syz-fuzzer cpuset=/ mems_allowed=0 [ 721.739043] dump_stack+0x244/0x39d [ 721.749801] ? dump_stack_print_info.cold.1+0x20/0x20 [ 721.755013] warn_alloc.cold.116+0xb7/0x1bd [ 721.759347] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 721.764192] ? lock_downgrade+0x900/0x900 [ 721.768338] ? trace_hardirqs_off+0xb8/0x310 [ 721.772770] ? trace_hardirqs_off+0xb8/0x310 [ 721.777180] __alloc_pages_slowpath+0x26e8/0x2e10 [ 721.782043] ? warn_alloc+0x120/0x120 [ 721.785845] ? warn_alloc+0x120/0x120 [ 721.789647] ? check_preemption_disabled+0x48/0x280 [ 721.794656] ? warn_alloc+0x120/0x120 [ 721.798451] ? zap_class+0x640/0x640 [ 721.802166] ? print_usage_bug+0xc0/0xc0 [ 721.806243] ? print_usage_bug+0xc0/0xc0 [ 721.810299] ? __lock_acquire+0x62f/0x4c20 [ 721.814541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 721.820546] ? should_fail+0x22d/0xd01 [ 721.824432] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 721.830025] ? __lock_acquire+0x62f/0x4c20 [ 721.834280] ? __lock_acquire+0x62f/0x4c20 [ 721.838510] ? should_fail+0x22d/0xd01 [ 721.842404] ? mark_held_locks+0x130/0x130 [ 721.846667] ? mark_held_locks+0x130/0x130 [ 721.850920] ? pick_next_task_fair+0xa05/0x1b30 [ 721.855601] ? rcu_read_lock_sched_held+0x14f/0x180 [ 721.860610] ? zap_class+0x640/0x640 [ 721.864332] ? zap_class+0x640/0x640 [ 721.868040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.873575] ? check_preemption_disabled+0x48/0x280 [ 721.878591] ? __lock_is_held+0xb5/0x140 [ 721.882652] __alloc_pages_nodemask+0xa80/0xde0 [ 721.887314] ? zap_class+0x640/0x640 [ 721.891029] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 721.896071] ? find_held_lock+0x36/0x1c0 [ 721.900139] ? ____cache_alloc_node+0x1c7/0x1e0 [ 721.904807] ? lock_downgrade+0x900/0x900 [ 721.908976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.914511] cache_grow_begin+0xa5/0x8c0 [ 721.919074] ? do_raw_spin_unlock+0xa7/0x330 [ 721.923487] fallback_alloc+0x204/0x2e0 [ 721.927468] ____cache_alloc_node+0x1c7/0x1e0 [ 721.931971] kmem_cache_alloc_node+0xe3/0x730 [ 721.936464] ? zap_class+0x640/0x640 [ 721.940177] ? __sched_text_start+0x8/0x8 [ 721.944334] __alloc_skb+0x119/0x770 [ 721.948045] ? zap_class+0x640/0x640 [ 721.951758] ? netdev_alloc_frag+0x1f0/0x1f0 [ 721.956169] ? neigh_periodic_work+0x8ca/0xc60 [ 721.960754] ? lock_downgrade+0x900/0x900 [ 721.964907] ? kasan_check_read+0x11/0x20 [ 721.969055] ? do_raw_write_lock+0x14f/0x310 [ 721.973558] __neigh_notify+0x8c/0x160 [ 721.977442] neigh_cleanup_and_release+0x7b/0xe0 [ 721.982209] neigh_periodic_work+0x8d2/0xc60 [ 721.986622] ? neigh_table_clear+0x390/0x390 [ 721.991047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.996585] ? check_preemption_disabled+0x48/0x280 [ 722.001609] ? __lock_is_held+0xb5/0x140 [ 722.005679] process_one_work+0xc90/0x1c40 [ 722.009911] ? mark_held_locks+0x130/0x130 [ 722.014157] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 722.019325] ? __switch_to_asm+0x40/0x70 [ 722.023380] ? __switch_to_asm+0x40/0x70 [ 722.027438] ? __switch_to_asm+0x34/0x70 [ 722.031493] ? __switch_to_asm+0x40/0x70 [ 722.035547] ? __switch_to_asm+0x34/0x70 [ 722.039601] ? __switch_to_asm+0x40/0x70 [ 722.043658] ? __switch_to_asm+0x34/0x70 [ 722.047722] ? __switch_to_asm+0x40/0x70 [ 722.051783] ? __schedule+0x8d7/0x21d0 [ 722.055666] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 722.060262] ? zap_class+0x640/0x640 [ 722.063980] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 722.068742] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 722.073335] ? lock_acquire+0x1ed/0x520 [ 722.077321] ? worker_thread+0x3e0/0x1390 [ 722.081480] ? kasan_check_read+0x11/0x20 [ 722.085623] ? do_raw_spin_lock+0x14f/0x350 [ 722.089947] ? kasan_check_read+0x11/0x20 [ 722.094101] ? rwlock_bug.part.2+0x90/0x90 [ 722.098326] ? trace_hardirqs_on+0x310/0x310 [ 722.102740] worker_thread+0x17f/0x1390 [ 722.106704] ? __switch_to_asm+0x34/0x70 [ 722.110775] ? process_one_work+0x1c40/0x1c40 [ 722.115278] ? __sched_text_start+0x8/0x8 [ 722.119818] ? __kthread_parkme+0xce/0x1a0 [ 722.124055] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 722.129149] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 722.134262] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 722.138860] ? trace_hardirqs_on+0xbd/0x310 [ 722.143176] ? kasan_check_read+0x11/0x20 [ 722.147324] ? __kthread_parkme+0xce/0x1a0 [ 722.151563] ? trace_hardirqs_off_caller+0x310/0x310 [ 722.156670] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 722.161773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.167304] ? __kthread_parkme+0xfb/0x1a0 [ 722.171537] ? process_one_work+0x1c40/0x1c40 [ 722.176041] kthread+0x35a/0x440 [ 722.179418] ? kthread_stop+0x900/0x900 [ 722.183403] ret_from_fork+0x3a/0x50 [ 722.187135] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 722.187140] warn_alloc_show_mem: 1 callbacks suppressed [ 722.187146] Mem-Info: [ 722.194159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.199521] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 722.199521] active_file:32 inactive_file:0 isolated_file:0 [ 722.199521] unevictable:0 dirty:0 writeback:0 unstable:0 [ 722.199521] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 722.199521] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 722.199521] free:13730 free_pcp:227 free_cma:0 [ 722.201889] Call Trace: [ 722.211259] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 722.244399] [ 722.246967] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 722.274800] dump_stack+0x244/0x39d [ 722.276915] lowmem_reserve[]: 0 2818 6321 6321 [ 722.303033] ? dump_stack_print_info.cold.1+0x20/0x20 [ 722.306630] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 722.311295] warn_alloc.cold.116+0xb7/0x1bd [ 722.316910] lowmem_reserve[]: 0 0 3503 3503 [ 722.344429] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 722.348723] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 722.353034] ? lock_downgrade+0x900/0x900 [ 722.357846] lowmem_reserve[]: 0 0 0 0 [ 722.387070] ? trace_hardirqs_off+0xb8/0x310 [ 722.391180] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 722.394991] ? trace_hardirqs_off+0xb8/0x310 [ 722.399366] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 722.412877] __alloc_pages_slowpath+0x26e8/0x2e10 [ 722.418191] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 722.432955] ? warn_alloc+0x120/0x120 [ 722.437746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 722.451952] ? warn_alloc+0x120/0x120 [ 722.455721] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 722.464541] ? warn_alloc+0x120/0x120 [ 722.468312] 6658 total pagecache pages [ 722.476880] ? print_usage_bug+0xc0/0xc0 [ 722.480658] 0 pages in swap cache [ 722.484526] ? print_usage_bug+0xc0/0xc0 [ 722.488559] Swap cache stats: add 0, delete 0, find 0/0 [ 722.491995] ? ktime_get+0x2c1/0x400 [ 722.496027] Free swap = 0kB [ 722.501526] ? check_preemption_disabled+0x48/0x280 [ 722.505204] Total swap = 0kB [ 722.508227] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 722.513228] 1965979 pages RAM [ 722.516416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.516427] ? should_fail+0x22d/0xd01 [ 722.516440] ? kasan_check_read+0x11/0x20 [ 722.516459] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 722.520930] 0 pages HighMem/MovableOnly [ 722.524025] ? __lock_acquire+0x62f/0x4c20 [ 722.529564] 342853 pages reserved [ 722.533454] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 722.537568] 0 pages cma reserved [ 722.542655] ? should_fail+0x22d/0xd01 [ 722.566600] ? print_usage_bug+0xc0/0xc0 [ 722.569069] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 722.570679] ? mark_held_locks+0x130/0x130 [ 722.581137] syz-executor0 cpuset=syz0 mems_allowed=0 [ 722.585358] ? mark_held_locks+0x130/0x130 [ 722.594654] ? check_preemption_disabled+0x48/0x280 [ 722.599680] ? zap_class+0x640/0x640 [ 722.603389] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 722.608142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.613784] ? check_preemption_disabled+0x48/0x280 [ 722.619058] ? __lock_is_held+0xb5/0x140 [ 722.623135] __alloc_pages_nodemask+0xa80/0xde0 [ 722.627834] ? zap_class+0x640/0x640 [ 722.631545] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 722.636653] ? find_held_lock+0x36/0x1c0 [ 722.640717] ? ____cache_alloc_node+0x1c7/0x1e0 [ 722.645382] ? lock_downgrade+0x900/0x900 [ 722.649534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.655172] cache_grow_begin+0xa5/0x8c0 [ 722.659224] ? do_raw_spin_unlock+0xa7/0x330 [ 722.664118] fallback_alloc+0x204/0x2e0 [ 722.668096] ____cache_alloc_node+0x1c7/0x1e0 [ 722.672599] kmem_cache_alloc_node+0xe3/0x730 [ 722.677087] ? lockdep_hardirqs_on+0x296/0x5b0 [ 722.681671] __alloc_skb+0x119/0x770 [ 722.685378] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 722.690742] ? netdev_alloc_frag+0x1f0/0x1f0 [ 722.695153] ? vprintk_default+0x28/0x30 [ 722.699211] ? vprintk_func+0x85/0x181 [ 722.703109] ? printk+0xa7/0xcf [ 722.706382] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 722.711146] new_skb+0x26/0x1c0 [ 722.714424] aoecmd_cfg+0x279/0x7f0 [ 722.718468] ? find_held_lock+0x36/0x1c0 [ 722.722522] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 722.726841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.732384] ? __lock_is_held+0xb5/0x140 [ 722.736446] discover_timer+0x50/0x60 [ 722.740237] call_timer_fn+0x272/0x920 [ 722.744152] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 722.748985] ? process_timeout+0x40/0x40 [ 722.753046] ? mark_held_locks+0xc7/0x130 [ 722.757187] ? _raw_spin_unlock_irq+0x27/0x80 [ 722.761685] ? _raw_spin_unlock_irq+0x27/0x80 [ 722.766275] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 722.771116] ? lockdep_hardirqs_on+0x296/0x5b0 [ 722.775708] ? trace_hardirqs_on+0xbd/0x310 [ 722.780072] ? kasan_check_read+0x11/0x20 [ 722.784219] ? __run_timers+0x7da/0xc70 [ 722.788185] ? trace_hardirqs_off_caller+0x310/0x310 [ 722.793290] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 722.798144] __run_timers+0x7e5/0xc70 [ 722.801951] ? timer_fixup_init+0x70/0x70 [ 722.806098] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 722.811198] ? zap_class+0x640/0x640 [ 722.814928] ? print_usage_bug+0xc0/0xc0 [ 722.819215] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 722.824413] ? find_held_lock+0x36/0x1c0 [ 722.828474] ? zap_class+0x640/0x640 [ 722.832188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.837721] ? check_preemption_disabled+0x48/0x280 [ 722.842744] ? __lock_is_held+0xb5/0x140 [ 722.846800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.852333] ? check_preemption_disabled+0x48/0x280 [ 722.857348] run_timer_softirq+0x52/0xb0 [ 722.861410] ? rcu_read_lock_sched_held+0x14f/0x180 [ 722.866421] __do_softirq+0x308/0xb7e [ 722.870220] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 722.874713] ? lock_downgrade+0x900/0x900 [ 722.878860] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 722.883965] ? pvclock_read_flags+0x160/0x160 [ 722.888454] ? lapic_next_event+0x5a/0x90 [ 722.892595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.898132] ? kvm_clock_read+0x18/0x30 [ 722.902099] ? kvm_sched_clock_read+0x9/0x20 [ 722.906503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.912054] ? check_preemption_disabled+0x48/0x280 [ 722.917296] irq_exit+0x17f/0x1c0 [ 722.920742] smp_apic_timer_interrupt+0x1cb/0x760 [ 722.925577] ? smp_reschedule_interrupt+0x109/0x650 [ 722.930588] ? smp_call_function_single_interrupt+0x650/0x650 [ 722.936468] ? interrupt_entry+0xb5/0xc0 [ 722.940531] ? trace_hardirqs_off_caller+0xbb/0x310 [ 722.945556] ? trace_hardirqs_off_caller+0xbb/0x310 [ 722.950569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 722.955405] ? trace_hardirqs_on_caller+0x310/0x310 [ 722.960414] ? trace_hardirqs_on_caller+0x310/0x310 [ 722.965419] ? task_prio+0x50/0x50 [ 722.968950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.974479] ? check_preemption_disabled+0x48/0x280 [ 722.979492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 722.984336] apic_timer_interrupt+0xf/0x20 [ 722.988558] [ 722.990789] RIP: 0010:console_unlock+0x102f/0x1190 [ 722.995713] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 723.014604] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 723.022591] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 723.029856] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 723.037205] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 723.044472] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 723.051736] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 723.059015] ? netconsole_netdev_event+0x280/0x280 [ 723.063948] ? console_unlock+0x1026/0x1190 [ 723.068412] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 723.073085] ? vprintk_emit+0x846/0x990 [ 723.077060] ? lock_release+0xa00/0xa00 [ 723.081033] ? trace_hardirqs_on+0x70/0x310 [ 723.085347] ? vprintk_default+0x28/0x30 [ 723.089400] ? trace_hardirqs_off_caller+0x310/0x310 [ 723.094519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.100059] vprintk_emit+0x391/0x990 [ 723.103981] ? wake_up_klogd+0x180/0x180 [ 723.108038] ? find_held_lock+0x11/0x1c0 [ 723.112114] ? mark_held_locks+0xc7/0x130 [ 723.116470] ? _raw_spin_unlock_irq+0x27/0x80 [ 723.120957] ? _raw_spin_unlock_irq+0x27/0x80 [ 723.125451] vprintk_default+0x28/0x30 [ 723.129334] vprintk_func+0x7e/0x181 [ 723.133049] printk+0xa7/0xcf [ 723.136165] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 723.140935] ? _raw_spin_unlock_irq+0x60/0x80 [ 723.145443] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 723.150721] dump_header+0x7cc/0xf72 [ 723.154459] ? pagefault_out_of_memory+0x197/0x197 [ 723.159391] ? __lock_acquire+0x62f/0x4c20 [ 723.163624] ? print_usage_bug+0xc0/0xc0 [ 723.167686] ? zap_class+0x640/0x640 [ 723.171395] ? zap_class+0x640/0x640 [ 723.175105] ? print_usage_bug+0xc0/0xc0 [ 723.179174] ? print_usage_bug+0xc0/0xc0 [ 723.183236] ? find_held_lock+0x36/0x1c0 [ 723.187299] ? mark_held_locks+0xc7/0x130 [ 723.191442] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 723.196535] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 723.201629] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 723.206206] ? trace_hardirqs_on+0xbd/0x310 [ 723.210524] ? kasan_check_read+0x11/0x20 [ 723.214672] ? ___ratelimit+0x3b4/0x672 [ 723.218867] ? trace_hardirqs_off_caller+0x310/0x310 [ 723.223973] ? trace_hardirqs_on+0x310/0x310 [ 723.228376] ? lock_downgrade+0x900/0x900 [ 723.232523] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 723.237618] ? ___ratelimit+0x3b9/0x672 [ 723.241603] ? idr_get_free+0xf70/0xf70 [ 723.245570] ? kasan_check_read+0x11/0x20 [ 723.249711] ? do_raw_spin_unlock+0xa7/0x330 [ 723.254121] oom_kill_process.cold.27+0x10/0x903 [ 723.258872] ? zap_class+0x640/0x640 [ 723.262630] ? _raw_spin_unlock+0x2c/0x50 [ 723.266774] ? oom_badness+0xe6/0xaa0 [ 723.270591] ? oom_evaluate_task+0x540/0x540 [ 723.274995] ? find_held_lock+0x36/0x1c0 [ 723.279055] ? out_of_memory+0x974/0x1430 [ 723.283220] ? lock_downgrade+0x900/0x900 [ 723.287453] ? check_preemption_disabled+0x48/0x280 [ 723.292464] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 723.297381] ? kasan_check_read+0x11/0x20 [ 723.301524] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 723.306796] ? rcu_softirq_qs+0x20/0x20 [ 723.310763] ? kasan_check_write+0x14/0x20 [ 723.314987] ? oom_evaluate_task+0x302/0x540 [ 723.319645] out_of_memory+0xa84/0x1430 [ 723.323622] ? oom_killer_disable+0x3a0/0x3a0 [ 723.328114] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 723.333040] ? __ww_mutex_check_waiters+0x160/0x160 [ 723.338064] __alloc_pages_slowpath+0x2354/0x2e10 [ 723.343020] ? warn_alloc+0x120/0x120 [ 723.346837] ? mark_held_locks+0x130/0x130 [ 723.351089] ? find_get_entry+0xaae/0x1120 [ 723.355331] ? filemap_map_pages+0x1a20/0x1a20 [ 723.359928] ? zap_class+0x640/0x640 [ 723.363647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.369181] ? check_preemption_disabled+0x48/0x280 [ 723.374193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.379727] ? should_fail+0x22d/0xd01 [ 723.383611] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 723.388709] ? zap_class+0x640/0x640 [ 723.392449] ? __lock_is_held+0xb5/0x140 [ 723.396514] ? mark_held_locks+0x130/0x130 [ 723.400749] ? lock_release+0xa00/0xa00 [ 723.404722] ? perf_trace_sched_process_exec+0x860/0x860 [ 723.410165] ? xa_load+0x2ba/0x460 [ 723.413700] ? lock_downgrade+0x900/0x900 [ 723.418057] ? __might_sleep+0x95/0x190 [ 723.422037] __alloc_pages_nodemask+0xa80/0xde0 [ 723.426709] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 723.431736] ? __page_cache_alloc+0x191/0x5c0 [ 723.436233] ? xa_load+0x2e1/0x460 [ 723.439775] ? xa_clear_mark+0x40/0x40 [ 723.443669] ? zap_class+0x640/0x640 [ 723.447389] ? zap_class+0x640/0x640 [ 723.451098] ? zap_class+0x640/0x640 [ 723.454810] ? __do_page_cache_readahead+0x663/0x810 [ 723.459922] ? find_held_lock+0x36/0x1c0 [ 723.463983] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 723.469519] alloc_pages_current+0x173/0x350 [ 723.473935] __page_cache_alloc+0x38c/0x5c0 [ 723.478253] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 723.483175] ? kasan_check_read+0x11/0x20 [ 723.487314] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 723.492592] ? generic_perform_write+0x6a0/0x6a0 [ 723.497347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.502890] ? check_preemption_disabled+0x48/0x280 [ 723.508003] filemap_fault+0x1595/0x25f0 [ 723.512071] ? __lock_page_or_retry+0xa00/0xa00 [ 723.516971] ? mark_held_locks+0x130/0x130 [ 723.521208] ? filemap_map_pages+0xd6b/0x1a20 [ 723.525698] ? lock_downgrade+0x900/0x900 [ 723.529844] ? check_preemption_disabled+0x48/0x280 [ 723.534858] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 723.539790] ? kasan_check_read+0x11/0x20 [ 723.543935] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 723.549204] ? rcu_softirq_qs+0x20/0x20 [ 723.553186] ? filemap_map_pages+0xd92/0x1a20 [ 723.557689] ? find_get_entries_tag+0x1400/0x1400 [ 723.562527] ? futex_wake+0x760/0x760 [ 723.566332] ? lock_acquire+0x1ed/0x520 [ 723.570304] ? ext4_filemap_fault+0x7a/0xad [ 723.574630] ? lock_release+0xa00/0xa00 [ 723.578596] ? perf_trace_sched_process_exec+0x860/0x860 [ 723.584041] ? print_usage_bug+0xc0/0xc0 [ 723.588110] ? print_usage_bug+0xc0/0xc0 [ 723.592186] ? down_read+0x8d/0x120 [ 723.595803] ? ext4_filemap_fault+0x7a/0xad [ 723.600227] ? __down_interruptible+0x700/0x700 [ 723.604910] ext4_filemap_fault+0x82/0xad [ 723.609053] __do_fault+0x100/0x6b0 [ 723.612678] ? pmd_devmap_trans_unstable+0x220/0x220 [ 723.618064] ? mark_held_locks+0x130/0x130 [ 723.622292] ? mark_held_locks+0x130/0x130 [ 723.626520] ? __might_fault+0x12b/0x1e0 [ 723.630580] ? lock_downgrade+0x900/0x900 [ 723.634728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.640262] __handle_mm_fault+0x3ea0/0x5be0 [ 723.644675] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 723.649516] ? kasan_check_read+0x11/0x20 [ 723.653659] ? _copy_to_user+0xc8/0x110 [ 723.657635] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.663176] ? zap_class+0x640/0x640 [ 723.666968] ? zap_class+0x640/0x640 [ 723.670683] ? find_held_lock+0x36/0x1c0 [ 723.674748] ? handle_mm_fault+0x42a/0xc70 [ 723.678995] ? lock_downgrade+0x900/0x900 [ 723.683138] ? check_preemption_disabled+0x48/0x280 [ 723.688152] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 723.693077] ? kasan_check_read+0x11/0x20 [ 723.697216] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 723.702483] ? rcu_softirq_qs+0x20/0x20 [ 723.706450] ? trace_hardirqs_off_caller+0x310/0x310 [ 723.711545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.717518] ? check_preemption_disabled+0x48/0x280 [ 723.722549] handle_mm_fault+0x54f/0xc70 [ 723.726609] ? __handle_mm_fault+0x5be0/0x5be0 [ 723.731187] ? find_vma+0x34/0x190 [ 723.734728] __do_page_fault+0x5e8/0xe60 [ 723.738781] ? trace_hardirqs_off+0xb8/0x310 [ 723.743191] do_page_fault+0xf2/0x7e0 [ 723.746987] ? vmalloc_sync_all+0x30/0x30 [ 723.751131] ? error_entry+0x70/0xd0 [ 723.754849] ? trace_hardirqs_off_caller+0xbb/0x310 [ 723.759859] ? trace_hardirqs_on_caller+0xc0/0x310 [ 723.764790] ? syscall_return_slowpath+0x5e0/0x5e0 [ 723.769708] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 723.774549] ? trace_hardirqs_on_caller+0x310/0x310 [ 723.779557] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 723.785005] ? prepare_exit_to_usermode+0x291/0x3b0 [ 723.790014] ? page_fault+0x8/0x30 [ 723.793551] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 723.798392] ? page_fault+0x8/0x30 [ 723.801929] page_fault+0x1e/0x30 [ 723.805370] RIP: 0033:0x407e06 [ 723.808572] Code: Bad RIP value. [ 723.811926] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 723.817495] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 723.824857] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 723.832141] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 723.839398] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 723.846661] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 723.853966] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 723.854023] aoe: skb alloc failure [ 723.861237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 723.861245] Call Trace: [ 723.864828] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 723.874105] dump_stack+0x244/0x39d [ 723.876654] syz-fuzzer cpuset=/ mems_allowed=0 [ 723.886891] ? dump_stack_print_info.cold.1+0x20/0x20 [ 723.900247] warn_alloc.cold.116+0xb7/0x1bd [ 723.904570] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 723.909416] ? lock_downgrade+0x900/0x900 [ 723.913574] ? trace_hardirqs_off+0xb8/0x310 [ 723.918459] ? trace_hardirqs_off+0xb8/0x310 [ 723.922884] __alloc_pages_slowpath+0x26e8/0x2e10 [ 723.927754] ? warn_alloc+0x120/0x120 [ 723.931551] ? zap_class+0x640/0x640 [ 723.935263] ? warn_alloc+0x120/0x120 [ 723.939063] ? warn_alloc+0x120/0x120 [ 723.942877] ? print_usage_bug+0xc0/0xc0 [ 723.947018] ? find_held_lock+0x36/0x1c0 [ 723.951072] ? print_usage_bug+0xc0/0xc0 [ 723.955129] ? cpuacct_charge+0x265/0x440 [ 723.959274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.964807] ? should_fail+0x22d/0xd01 [ 723.968683] ? find_held_lock+0x36/0x1c0 [ 723.972740] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 723.977842] ? __lock_acquire+0x62f/0x4c20 [ 723.982078] ? should_fail+0x22d/0xd01 [ 723.985989] ? mark_held_locks+0x130/0x130 [ 723.990216] ? mark_held_locks+0x130/0x130 [ 723.994448] ? __lock_acquire+0x62f/0x4c20 [ 723.998683] ? zap_class+0x640/0x640 [ 724.002406] ? __lock_is_held+0xb5/0x140 [ 724.006466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.012000] ? check_preemption_disabled+0x48/0x280 [ 724.017484] ? __lock_is_held+0xb5/0x140 [ 724.021547] __alloc_pages_nodemask+0xa80/0xde0 [ 724.026212] ? zap_class+0x640/0x640 [ 724.029936] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 724.034958] ? find_held_lock+0x36/0x1c0 [ 724.039026] ? ____cache_alloc_node+0x1c7/0x1e0 [ 724.043694] ? lock_downgrade+0x900/0x900 [ 724.047852] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 724.053406] cache_grow_begin+0xa5/0x8c0 [ 724.057467] ? do_raw_spin_unlock+0xa7/0x330 [ 724.061888] fallback_alloc+0x204/0x2e0 [ 724.065892] ____cache_alloc_node+0x1c7/0x1e0 [ 724.070405] kmem_cache_alloc+0x1f8/0x730 [ 724.074563] skb_clone+0x1bb/0x500 [ 724.078103] ? finish_task_switch+0x1b4/0x910 [ 724.082596] ? skb_split+0x11e0/0x11e0 [ 724.086496] ? preempt_notifier_register+0x200/0x200 [ 724.091597] ? __switch_to_asm+0x34/0x70 [ 724.095649] ? __switch_to_asm+0x34/0x70 [ 724.099723] ? __switch_to_asm+0x40/0x70 [ 724.103773] ? __switch_to_asm+0x34/0x70 [ 724.107826] ? __switch_to_asm+0x40/0x70 [ 724.111896] ? __switch_to_asm+0x34/0x70 [ 724.116055] ? __switch_to_asm+0x40/0x70 [ 724.120447] ? __switch_to_asm+0x34/0x70 [ 724.124518] ? __switch_to_asm+0x34/0x70 [ 724.128574] ? __switch_to_asm+0x40/0x70 [ 724.132626] ? __switch_to_asm+0x34/0x70 [ 724.136690] bpf_clone_redirect+0xb9/0x490 [ 724.140926] ? __schedule+0x8d7/0x21d0 [ 724.144815] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 724.149827] ? __sched_text_start+0x8/0x8 [ 724.153985] ? retint_kernel+0x2d/0x2d [ 724.157903] ? find_held_lock+0x36/0x1c0 [ 724.161973] ? lock_acquire+0x1ed/0x520 [ 724.165951] ? bpf_test_run+0x3cb/0x780 [ 724.169925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.175463] ? check_preemption_disabled+0x48/0x280 [ 724.180486] ? kasan_check_read+0x11/0x20 [ 724.184632] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 724.189916] ? rcu_softirq_qs+0x20/0x20 [ 724.193989] ? preempt_schedule+0x4d/0x60 [ 724.198134] ? ___preempt_schedule+0x16/0x18 [ 724.202548] ? bpf_test_run+0x25d/0x780 [ 724.206532] ? netlink_diag_dump+0x2a0/0x2a0 [ 724.210953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 724.216949] ? bpf_test_init.isra.10+0x70/0x100 [ 724.221622] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 724.226389] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 724.231226] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 724.236778] ? fput+0x130/0x1a0 [ 724.240073] ? __bpf_prog_get+0x9b/0x290 [ 724.244134] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 724.248983] ? bpf_prog_test_run+0x130/0x1a0 [ 724.253398] ? __x64_sys_bpf+0x3db/0x520 [ 724.257455] ? bpf_prog_get+0x20/0x20 [ 724.261274] ? do_syscall_64+0x1b9/0x820 [ 724.265331] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 724.270715] ? syscall_return_slowpath+0x5e0/0x5e0 [ 724.275667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.280504] ? trace_hardirqs_on_caller+0x310/0x310 [ 724.285518] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 724.290531] ? prepare_exit_to_usermode+0x291/0x3b0 [ 724.295565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.300418] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 724.305802] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 724.305806] warn_alloc_show_mem: 1 callbacks suppressed [ 724.305814] Mem-Info: [ 724.312823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 724.318435] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 724.318435] active_file:32 inactive_file:0 isolated_file:0 [ 724.318435] unevictable:0 dirty:0 writeback:0 unstable:0 [ 724.318435] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 724.318435] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 724.318435] free:13730 free_pcp:227 free_cma:0 [ 724.320805] Call Trace: [ 724.330171] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 724.363093] [ 724.365654] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 724.393597] dump_stack+0x244/0x39d [ 724.395718] lowmem_reserve[]: 0 2818 6321 6321 [ 724.422128] ? dump_stack_print_info.cold.1+0x20/0x20 [ 724.425726] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 724.430302] warn_alloc.cold.116+0xb7/0x1bd [ 724.435455] lowmem_reserve[]: 0 0 3503 3503 [ 724.462945] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 724.467233] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 724.471542] ? lock_downgrade+0x900/0x900 [ 724.476350] lowmem_reserve[]: 0 0 0 0 [ 724.505395] ? trace_hardirqs_off+0xb8/0x310 [ 724.509508] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 724.513309] ? trace_hardirqs_off+0xb8/0x310 [ 724.518454] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 724.531980] __alloc_pages_slowpath+0x26e8/0x2e10 [ 724.536354] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 724.551102] ? warn_alloc+0x120/0x120 [ 724.555901] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 724.570032] ? warn_alloc+0x120/0x120 [ 724.573805] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 724.582726] ? warn_alloc+0x120/0x120 [ 724.586497] 6658 total pagecache pages [ 724.595061] ? print_usage_bug+0xc0/0xc0 [ 724.598836] 0 pages in swap cache [ 724.602710] ? print_usage_bug+0xc0/0xc0 [ 724.606742] Swap cache stats: add 0, delete 0, find 0/0 [ 724.610184] ? ktime_get+0x2c1/0x400 [ 724.614220] Free swap = 0kB [ 724.620054] ? check_preemption_disabled+0x48/0x280 [ 724.623737] Total swap = 0kB [ 724.626831] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 724.631829] 1965979 pages RAM [ 724.634945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 724.639406] 0 pages HighMem/MovableOnly [ 724.642496] ? should_fail+0x22d/0xd01 [ 724.648006] 342853 pages reserved [ 724.651964] ? kasan_check_read+0x11/0x20 [ 724.655832] 0 pages cma reserved [ 724.659286] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 724.672090] ? __lock_acquire+0x62f/0x4c20 [ 724.676416] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 724.681523] ? should_fail+0x22d/0xd01 [ 724.685413] ? print_usage_bug+0xc0/0xc0 [ 724.685536] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 724.689480] ? mark_held_locks+0x130/0x130 [ 724.699765] kworker/1:0 cpuset=/ mems_allowed=0 [ 724.704013] ? mark_held_locks+0x130/0x130 [ 724.712884] ? check_preemption_disabled+0x48/0x280 [ 724.718186] ? zap_class+0x640/0x640 [ 724.721897] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 724.726653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.732188] ? check_preemption_disabled+0x48/0x280 [ 724.737205] ? __lock_is_held+0xb5/0x140 [ 724.741270] __alloc_pages_nodemask+0xa80/0xde0 [ 724.745933] ? zap_class+0x640/0x640 [ 724.749654] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 724.754686] ? find_held_lock+0x36/0x1c0 [ 724.758752] ? ____cache_alloc_node+0x1c7/0x1e0 [ 724.763414] ? lock_downgrade+0x900/0x900 [ 724.767567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.773102] cache_grow_begin+0xa5/0x8c0 [ 724.777160] ? do_raw_spin_unlock+0xa7/0x330 [ 724.781570] fallback_alloc+0x204/0x2e0 [ 724.785555] ____cache_alloc_node+0x1c7/0x1e0 [ 724.790051] kmem_cache_alloc_node+0xe3/0x730 [ 724.795232] ? lockdep_hardirqs_on+0x296/0x5b0 [ 724.799904] __alloc_skb+0x119/0x770 [ 724.803612] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 724.808978] ? netdev_alloc_frag+0x1f0/0x1f0 [ 724.813387] ? vprintk_default+0x28/0x30 [ 724.817709] ? vprintk_func+0x85/0x181 [ 724.821593] ? printk+0xa7/0xcf [ 724.824876] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 724.829639] new_skb+0x26/0x1c0 [ 724.832918] aoecmd_cfg+0x279/0x7f0 [ 724.836538] ? find_held_lock+0x36/0x1c0 [ 724.840600] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 724.844924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.850470] ? __lock_is_held+0xb5/0x140 [ 724.854538] discover_timer+0x50/0x60 [ 724.858337] call_timer_fn+0x272/0x920 [ 724.862219] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 724.867054] ? process_timeout+0x40/0x40 [ 724.871117] ? mark_held_locks+0xc7/0x130 [ 724.875260] ? _raw_spin_unlock_irq+0x27/0x80 [ 724.879838] ? _raw_spin_unlock_irq+0x27/0x80 [ 724.884329] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 724.889165] ? lockdep_hardirqs_on+0x296/0x5b0 [ 724.893745] ? trace_hardirqs_on+0xbd/0x310 [ 724.898064] ? kasan_check_read+0x11/0x20 [ 724.902207] ? __run_timers+0x7da/0xc70 [ 724.906186] ? trace_hardirqs_off_caller+0x310/0x310 [ 724.911297] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 724.916346] __run_timers+0x7e5/0xc70 [ 724.920148] ? timer_fixup_init+0x70/0x70 [ 724.924299] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 724.929330] ? zap_class+0x640/0x640 [ 724.933057] ? print_usage_bug+0xc0/0xc0 [ 724.937115] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 724.942303] ? find_held_lock+0x36/0x1c0 [ 724.946362] ? zap_class+0x640/0x640 [ 724.950071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.955602] ? check_preemption_disabled+0x48/0x280 [ 724.960624] ? __lock_is_held+0xb5/0x140 [ 724.964679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.970208] ? check_preemption_disabled+0x48/0x280 [ 724.975220] run_timer_softirq+0x52/0xb0 [ 724.979282] ? rcu_read_lock_sched_held+0x14f/0x180 [ 724.984296] __do_softirq+0x308/0xb7e [ 724.988097] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 724.992587] ? lock_downgrade+0x900/0x900 [ 724.996734] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 725.001850] ? pvclock_read_flags+0x160/0x160 [ 725.006339] ? lapic_next_event+0x5a/0x90 [ 725.010479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.016016] ? kvm_clock_read+0x18/0x30 [ 725.020264] ? kvm_sched_clock_read+0x9/0x20 [ 725.024666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.030198] ? check_preemption_disabled+0x48/0x280 [ 725.035213] irq_exit+0x17f/0x1c0 [ 725.038655] smp_apic_timer_interrupt+0x1cb/0x760 [ 725.043487] ? smp_reschedule_interrupt+0x109/0x650 [ 725.048497] ? smp_call_function_single_interrupt+0x650/0x650 [ 725.054368] ? interrupt_entry+0xb5/0xc0 [ 725.058423] ? trace_hardirqs_off_caller+0xbb/0x310 [ 725.063426] ? trace_hardirqs_off_caller+0xbb/0x310 [ 725.068436] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.073272] ? trace_hardirqs_on_caller+0x310/0x310 [ 725.078284] ? trace_hardirqs_on_caller+0x310/0x310 [ 725.083302] ? task_prio+0x50/0x50 [ 725.086845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.092374] ? check_preemption_disabled+0x48/0x280 [ 725.097385] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.102241] apic_timer_interrupt+0xf/0x20 [ 725.106458] [ 725.108688] RIP: 0010:console_unlock+0x102f/0x1190 [ 725.113609] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 725.132752] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 725.140453] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 725.147712] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 725.154976] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 725.162263] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 725.169518] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 725.176785] ? netconsole_netdev_event+0x280/0x280 [ 725.181713] ? console_unlock+0x1026/0x1190 [ 725.186048] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 725.190707] ? vprintk_emit+0x846/0x990 [ 725.194676] ? lock_release+0xa00/0xa00 [ 725.198644] ? trace_hardirqs_on+0x70/0x310 [ 725.202963] ? vprintk_default+0x28/0x30 [ 725.207034] ? trace_hardirqs_off_caller+0x310/0x310 [ 725.212128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.217937] vprintk_emit+0x391/0x990 [ 725.221735] ? wake_up_klogd+0x180/0x180 [ 725.225796] ? find_held_lock+0x11/0x1c0 [ 725.229868] ? mark_held_locks+0xc7/0x130 [ 725.234013] ? _raw_spin_unlock_irq+0x27/0x80 [ 725.238500] ? _raw_spin_unlock_irq+0x27/0x80 [ 725.242997] vprintk_default+0x28/0x30 [ 725.246882] vprintk_func+0x7e/0x181 [ 725.250588] printk+0xa7/0xcf [ 725.253692] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 725.258447] ? _raw_spin_unlock_irq+0x60/0x80 [ 725.262954] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 725.268229] dump_header+0x7cc/0xf72 [ 725.271942] ? pagefault_out_of_memory+0x197/0x197 [ 725.276873] ? __lock_acquire+0x62f/0x4c20 [ 725.281105] ? print_usage_bug+0xc0/0xc0 [ 725.285166] ? zap_class+0x640/0x640 [ 725.288873] ? zap_class+0x640/0x640 [ 725.292589] ? print_usage_bug+0xc0/0xc0 [ 725.296644] ? print_usage_bug+0xc0/0xc0 [ 725.300717] ? find_held_lock+0x36/0x1c0 [ 725.304783] ? mark_held_locks+0xc7/0x130 [ 725.308928] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 725.314021] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 725.319439] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 725.324018] ? trace_hardirqs_on+0xbd/0x310 [ 725.328330] ? kasan_check_read+0x11/0x20 [ 725.332472] ? ___ratelimit+0x3b4/0x672 [ 725.336445] ? trace_hardirqs_off_caller+0x310/0x310 [ 725.341548] ? trace_hardirqs_on+0x310/0x310 [ 725.345953] ? lock_downgrade+0x900/0x900 [ 725.350096] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 725.355194] ? ___ratelimit+0x3b9/0x672 [ 725.359183] ? idr_get_free+0xf70/0xf70 [ 725.363148] ? kasan_check_read+0x11/0x20 [ 725.367287] ? do_raw_spin_unlock+0xa7/0x330 [ 725.371695] oom_kill_process.cold.27+0x10/0x903 [ 725.376441] ? zap_class+0x640/0x640 [ 725.380147] ? _raw_spin_unlock+0x2c/0x50 [ 725.384284] ? oom_badness+0xe6/0xaa0 [ 725.388075] ? oom_evaluate_task+0x540/0x540 [ 725.392471] ? find_held_lock+0x36/0x1c0 [ 725.396526] ? out_of_memory+0x974/0x1430 [ 725.400664] ? lock_downgrade+0x900/0x900 [ 725.404804] ? check_preemption_disabled+0x48/0x280 [ 725.409838] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.414758] ? kasan_check_read+0x11/0x20 [ 725.419290] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.424589] ? rcu_softirq_qs+0x20/0x20 [ 725.428558] ? kasan_check_write+0x14/0x20 [ 725.432779] ? oom_evaluate_task+0x302/0x540 [ 725.437284] out_of_memory+0xa84/0x1430 [ 725.441258] ? oom_killer_disable+0x3a0/0x3a0 [ 725.445742] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 725.450667] ? __ww_mutex_check_waiters+0x160/0x160 [ 725.455704] __alloc_pages_slowpath+0x2354/0x2e10 [ 725.460914] ? warn_alloc+0x120/0x120 [ 725.464820] ? mark_held_locks+0x130/0x130 [ 725.469064] ? find_get_entry+0xaae/0x1120 [ 725.473305] ? filemap_map_pages+0x1a20/0x1a20 [ 725.477885] ? zap_class+0x640/0x640 [ 725.481596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.487123] ? check_preemption_disabled+0x48/0x280 [ 725.492141] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.497671] ? should_fail+0x22d/0xd01 [ 725.501558] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 725.506652] ? zap_class+0x640/0x640 [ 725.510472] ? __lock_is_held+0xb5/0x140 [ 725.514530] ? mark_held_locks+0x130/0x130 [ 725.519031] ? lock_release+0xa00/0xa00 [ 725.523000] ? perf_trace_sched_process_exec+0x860/0x860 [ 725.528440] ? xa_load+0x2ba/0x460 [ 725.531975] ? lock_downgrade+0x900/0x900 [ 725.536119] ? __might_sleep+0x95/0x190 [ 725.540092] __alloc_pages_nodemask+0xa80/0xde0 [ 725.544758] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 725.549769] ? __page_cache_alloc+0x191/0x5c0 [ 725.554259] ? xa_load+0x2e1/0x460 [ 725.557879] ? xa_clear_mark+0x40/0x40 [ 725.561761] ? zap_class+0x640/0x640 [ 725.565487] ? zap_class+0x640/0x640 [ 725.569195] ? zap_class+0x640/0x640 [ 725.572909] ? __do_page_cache_readahead+0x663/0x810 [ 725.578030] ? find_held_lock+0x36/0x1c0 [ 725.582089] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 725.587625] alloc_pages_current+0x173/0x350 [ 725.592034] __page_cache_alloc+0x38c/0x5c0 [ 725.596352] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.601275] ? kasan_check_read+0x11/0x20 [ 725.605416] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.610708] ? generic_perform_write+0x6a0/0x6a0 [ 725.615464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.621229] ? check_preemption_disabled+0x48/0x280 [ 725.626247] filemap_fault+0x1595/0x25f0 [ 725.630316] ? __lock_page_or_retry+0xa00/0xa00 [ 725.634975] ? mark_held_locks+0x130/0x130 [ 725.639207] ? filemap_map_pages+0xd6b/0x1a20 [ 725.643695] ? lock_downgrade+0x900/0x900 [ 725.647842] ? check_preemption_disabled+0x48/0x280 [ 725.652854] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.657778] ? kasan_check_read+0x11/0x20 [ 725.662418] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.667689] ? rcu_softirq_qs+0x20/0x20 [ 725.671753] ? filemap_map_pages+0xd92/0x1a20 [ 725.676252] ? find_get_entries_tag+0x1400/0x1400 [ 725.681095] ? futex_wake+0x760/0x760 [ 725.684906] ? lock_acquire+0x1ed/0x520 [ 725.688878] ? ext4_filemap_fault+0x7a/0xad [ 725.693200] ? lock_release+0xa00/0xa00 [ 725.697166] ? perf_trace_sched_process_exec+0x860/0x860 [ 725.702607] ? print_usage_bug+0xc0/0xc0 [ 725.706659] ? print_usage_bug+0xc0/0xc0 [ 725.710725] ? down_read+0x8d/0x120 [ 725.714369] ? ext4_filemap_fault+0x7a/0xad [ 725.719013] ? __down_interruptible+0x700/0x700 [ 725.723684] ext4_filemap_fault+0x82/0xad [ 725.727845] __do_fault+0x100/0x6b0 [ 725.731466] ? pmd_devmap_trans_unstable+0x220/0x220 [ 725.736559] ? mark_held_locks+0x130/0x130 [ 725.740781] ? mark_held_locks+0x130/0x130 [ 725.745101] ? __might_fault+0x12b/0x1e0 [ 725.749159] ? lock_downgrade+0x900/0x900 [ 725.753305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.758844] __handle_mm_fault+0x3ea0/0x5be0 [ 725.763253] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 725.768091] ? kasan_check_read+0x11/0x20 [ 725.772230] ? _copy_to_user+0xc8/0x110 [ 725.776200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.781854] ? zap_class+0x640/0x640 [ 725.785559] ? zap_class+0x640/0x640 [ 725.789285] ? find_held_lock+0x36/0x1c0 [ 725.793384] ? handle_mm_fault+0x42a/0xc70 [ 725.797627] ? lock_downgrade+0x900/0x900 [ 725.801765] ? check_preemption_disabled+0x48/0x280 [ 725.806777] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.811702] ? kasan_check_read+0x11/0x20 [ 725.815847] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.821410] ? rcu_softirq_qs+0x20/0x20 [ 725.825399] ? trace_hardirqs_off_caller+0x310/0x310 [ 725.830681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.836212] ? check_preemption_disabled+0x48/0x280 [ 725.841235] handle_mm_fault+0x54f/0xc70 [ 725.845290] ? __handle_mm_fault+0x5be0/0x5be0 [ 725.849957] ? find_vma+0x34/0x190 [ 725.853497] __do_page_fault+0x5e8/0xe60 [ 725.857553] ? trace_hardirqs_off+0xb8/0x310 [ 725.861968] do_page_fault+0xf2/0x7e0 [ 725.865759] ? vmalloc_sync_all+0x30/0x30 [ 725.869932] ? error_entry+0x70/0xd0 [ 725.873726] ? trace_hardirqs_off_caller+0xbb/0x310 [ 725.878734] ? trace_hardirqs_on_caller+0xc0/0x310 [ 725.883658] ? syscall_return_slowpath+0x5e0/0x5e0 [ 725.888594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.893431] ? trace_hardirqs_on_caller+0x310/0x310 [ 725.898435] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 725.903881] ? prepare_exit_to_usermode+0x291/0x3b0 [ 725.908891] ? page_fault+0x8/0x30 [ 725.912424] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.917516] ? page_fault+0x8/0x30 [ 725.921056] page_fault+0x1e/0x30 [ 725.924499] RIP: 0033:0x407e06 [ 725.927702] Code: Bad RIP value. [ 725.931062] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 725.936417] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 725.943679] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 725.950937] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 725.958203] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 725.965467] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 725.972769] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 725.972843] aoe: skb alloc failure [ 725.979692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 725.979709] Workqueue: events_power_efficient neigh_periodic_work [ 725.983296] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 725.992567] Call Trace: [ 725.998774] syz-fuzzer cpuset=/ mems_allowed=0 [ 726.008998] dump_stack+0x244/0x39d [ 726.020061] ? dump_stack_print_info.cold.1+0x20/0x20 [ 726.025262] warn_alloc.cold.116+0xb7/0x1bd [ 726.029580] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 726.034441] ? lock_downgrade+0x900/0x900 [ 726.038671] ? trace_hardirqs_off+0xb8/0x310 [ 726.043080] ? trace_hardirqs_off+0xb8/0x310 [ 726.047494] __alloc_pages_slowpath+0x26e8/0x2e10 [ 726.052366] ? warn_alloc+0x120/0x120 [ 726.056173] ? warn_alloc+0x120/0x120 [ 726.059975] ? check_preemption_disabled+0x48/0x280 [ 726.065099] ? warn_alloc+0x120/0x120 [ 726.068895] ? zap_class+0x640/0x640 [ 726.072606] ? print_usage_bug+0xc0/0xc0 [ 726.076680] ? print_usage_bug+0xc0/0xc0 [ 726.080738] ? __lock_acquire+0x62f/0x4c20 [ 726.084971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 726.090521] ? should_fail+0x22d/0xd01 [ 726.094409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 726.099509] ? __lock_acquire+0x62f/0x4c20 [ 726.103741] ? __lock_acquire+0x62f/0x4c20 [ 726.107972] ? should_fail+0x22d/0xd01 [ 726.111869] ? mark_held_locks+0x130/0x130 [ 726.116106] ? mark_held_locks+0x130/0x130 [ 726.120940] ? pick_next_task_fair+0xa05/0x1b30 [ 726.125610] ? rcu_read_lock_sched_held+0x14f/0x180 [ 726.130623] ? zap_class+0x640/0x640 [ 726.134342] ? zap_class+0x640/0x640 [ 726.138056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.143589] ? check_preemption_disabled+0x48/0x280 [ 726.148608] ? __lock_is_held+0xb5/0x140 [ 726.152665] __alloc_pages_nodemask+0xa80/0xde0 [ 726.157326] ? zap_class+0x640/0x640 [ 726.161049] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 726.166069] ? find_held_lock+0x36/0x1c0 [ 726.170136] ? ____cache_alloc_node+0x1c7/0x1e0 [ 726.174809] ? lock_downgrade+0x900/0x900 [ 726.178957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.184491] cache_grow_begin+0xa5/0x8c0 [ 726.188543] ? do_raw_spin_unlock+0xa7/0x330 [ 726.192955] fallback_alloc+0x204/0x2e0 [ 726.197030] ____cache_alloc_node+0x1c7/0x1e0 [ 726.201522] kmem_cache_alloc_node+0xe3/0x730 [ 726.206011] ? zap_class+0x640/0x640 [ 726.209720] ? __sched_text_start+0x8/0x8 [ 726.213874] __alloc_skb+0x119/0x770 [ 726.218056] ? zap_class+0x640/0x640 [ 726.221810] ? netdev_alloc_frag+0x1f0/0x1f0 [ 726.226220] ? neigh_periodic_work+0x8ca/0xc60 [ 726.230814] ? lock_downgrade+0x900/0x900 [ 726.234974] ? kasan_check_read+0x11/0x20 [ 726.239121] ? do_raw_write_lock+0x14f/0x310 [ 726.243533] __neigh_notify+0x8c/0x160 [ 726.247422] neigh_cleanup_and_release+0x7b/0xe0 [ 726.252171] neigh_periodic_work+0x8d2/0xc60 [ 726.256585] ? neigh_table_clear+0x390/0x390 [ 726.260992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.266526] ? check_preemption_disabled+0x48/0x280 [ 726.271546] ? __lock_is_held+0xb5/0x140 [ 726.275616] process_one_work+0xc90/0x1c40 [ 726.279847] ? mark_held_locks+0x130/0x130 [ 726.284083] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 726.288740] ? __switch_to_asm+0x40/0x70 [ 726.292800] ? __switch_to_asm+0x40/0x70 [ 726.296854] ? __switch_to_asm+0x34/0x70 [ 726.300906] ? __switch_to_asm+0x40/0x70 [ 726.304960] ? __switch_to_asm+0x34/0x70 [ 726.309024] ? __switch_to_asm+0x40/0x70 [ 726.313077] ? __switch_to_asm+0x34/0x70 [ 726.318087] ? __switch_to_asm+0x40/0x70 [ 726.322139] ? __schedule+0x8d7/0x21d0 [ 726.326022] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 726.330620] ? zap_class+0x640/0x640 [ 726.334340] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 726.339108] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 726.343730] ? lock_acquire+0x1ed/0x520 [ 726.347699] ? worker_thread+0x3e0/0x1390 [ 726.351874] ? kasan_check_read+0x11/0x20 [ 726.356027] ? do_raw_spin_lock+0x14f/0x350 [ 726.360346] ? kasan_check_read+0x11/0x20 [ 726.364576] ? rwlock_bug.part.2+0x90/0x90 [ 726.368813] ? trace_hardirqs_on+0x310/0x310 [ 726.373229] worker_thread+0x17f/0x1390 [ 726.377196] ? __switch_to_asm+0x34/0x70 [ 726.381437] ? process_one_work+0x1c40/0x1c40 [ 726.386038] ? __sched_text_start+0x8/0x8 [ 726.390190] ? __kthread_parkme+0xce/0x1a0 [ 726.394542] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 726.399639] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 726.404735] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 726.409319] ? trace_hardirqs_on+0xbd/0x310 [ 726.413630] ? kasan_check_read+0x11/0x20 [ 726.418037] ? __kthread_parkme+0xce/0x1a0 [ 726.422270] ? trace_hardirqs_off_caller+0x310/0x310 [ 726.427379] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 726.432478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 726.438016] ? __kthread_parkme+0xfb/0x1a0 [ 726.442253] ? process_one_work+0x1c40/0x1c40 [ 726.446740] kthread+0x35a/0x440 [ 726.450097] ? kthread_stop+0x900/0x900 [ 726.454064] ret_from_fork+0x3a/0x50 [ 726.457787] warn_alloc_show_mem: 1 callbacks suppressed [ 726.457801] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 726.457802] Mem-Info: [ 726.457832] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 726.457832] active_file:32 inactive_file:0 isolated_file:0 [ 726.457832] unevictable:0 dirty:0 writeback:0 unstable:0 [ 726.457832] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 726.457832] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 726.457832] free:13730 free_pcp:227 free_cma:0 [ 726.463163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 726.470169] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 726.472558] Call Trace: [ 726.505709] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 726.515047] [ 726.543281] lowmem_reserve[]: 0 2818 6321 6321 [ 726.545872] dump_stack+0x244/0x39d [ 726.571942] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 726.574086] ? dump_stack_print_info.cold.1+0x20/0x20 [ 726.578633] lowmem_reserve[]: 0 0 3503 3503 [ 726.582257] warn_alloc.cold.116+0xb7/0x1bd [ 726.609925] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 726.615106] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 726.619888] lowmem_reserve[]: 0 0 0 0 [ 726.624207] ? lock_downgrade+0x900/0x900 [ 726.653233] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 726.658086] ? trace_hardirqs_off+0xb8/0x310 [ 726.662049] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 726.666204] ? trace_hardirqs_off+0xb8/0x310 [ 726.679688] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 726.684107] __alloc_pages_slowpath+0x26e8/0x2e10 [ 726.698827] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 726.703240] ? warn_alloc+0x120/0x120 [ 726.717322] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 726.722360] ? warn_alloc+0x120/0x120 [ 726.731163] 6658 total pagecache pages [ 726.734949] ? warn_alloc+0x120/0x120 [ 726.743512] 0 pages in swap cache [ 726.747305] ? print_usage_bug+0xc0/0xc0 [ 726.747322] ? print_usage_bug+0xc0/0xc0 [ 726.751181] Swap cache stats: add 0, delete 0, find 0/0 [ 726.754962] ? ktime_get+0x2c1/0x400 [ 726.758384] Free swap = 0kB [ 726.762434] ? check_preemption_disabled+0x48/0x280 [ 726.766460] Total swap = 0kB [ 726.771816] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 726.775498] 1965979 pages RAM [ 726.778520] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 726.783502] 0 pages HighMem/MovableOnly [ 726.786512] ? should_fail+0x22d/0xd01 [ 726.790974] 342853 pages reserved [ 726.794063] ? kasan_check_read+0x11/0x20 [ 726.799562] 0 pages cma reserved [ 726.803524] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 726.823643] ? __lock_acquire+0x62f/0x4c20 [ 726.827886] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 726.829596] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 726.832988] ? should_fail+0x22d/0xd01 [ 726.843449] syz-executor0 cpuset=syz0 mems_allowed=0 [ 726.847321] ? print_usage_bug+0xc0/0xc0 [ 726.856443] ? mark_held_locks+0x130/0x130 [ 726.860675] ? mark_held_locks+0x130/0x130 [ 726.864921] ? check_preemption_disabled+0x48/0x280 [ 726.869946] ? zap_class+0x640/0x640 [ 726.873652] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 726.878407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.883947] ? check_preemption_disabled+0x48/0x280 [ 726.888963] ? __lock_is_held+0xb5/0x140 [ 726.893043] __alloc_pages_nodemask+0xa80/0xde0 [ 726.897708] ? zap_class+0x640/0x640 [ 726.901425] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 726.906463] ? find_held_lock+0x36/0x1c0 [ 726.910530] ? ____cache_alloc_node+0x1c7/0x1e0 [ 726.915198] ? lock_downgrade+0x900/0x900 [ 726.919630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.925166] cache_grow_begin+0xa5/0x8c0 [ 726.929221] ? do_raw_spin_unlock+0xa7/0x330 [ 726.933630] fallback_alloc+0x204/0x2e0 [ 726.937622] ____cache_alloc_node+0x1c7/0x1e0 [ 726.942120] kmem_cache_alloc_node+0xe3/0x730 [ 726.946609] ? lockdep_hardirqs_on+0x296/0x5b0 [ 726.951192] __alloc_skb+0x119/0x770 [ 726.954901] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 726.960262] ? netdev_alloc_frag+0x1f0/0x1f0 [ 726.964688] ? vprintk_default+0x28/0x30 [ 726.968738] ? vprintk_func+0x85/0x181 [ 726.972743] ? printk+0xa7/0xcf [ 726.976021] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 726.980799] new_skb+0x26/0x1c0 [ 726.984077] aoecmd_cfg+0x279/0x7f0 [ 726.987701] ? find_held_lock+0x36/0x1c0 [ 726.991788] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 726.996112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.001664] ? __lock_is_held+0xb5/0x140 [ 727.005729] discover_timer+0x50/0x60 [ 727.009552] call_timer_fn+0x272/0x920 [ 727.013437] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 727.018661] ? process_timeout+0x40/0x40 [ 727.022727] ? mark_held_locks+0xc7/0x130 [ 727.026965] ? _raw_spin_unlock_irq+0x27/0x80 [ 727.031468] ? _raw_spin_unlock_irq+0x27/0x80 [ 727.035968] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 727.040809] ? lockdep_hardirqs_on+0x296/0x5b0 [ 727.045395] ? trace_hardirqs_on+0xbd/0x310 [ 727.049710] ? kasan_check_read+0x11/0x20 [ 727.053856] ? __run_timers+0x7da/0xc70 [ 727.057846] ? trace_hardirqs_off_caller+0x310/0x310 [ 727.062953] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 727.067963] __run_timers+0x7e5/0xc70 [ 727.071781] ? timer_fixup_init+0x70/0x70 [ 727.075932] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 727.080946] ? zap_class+0x640/0x640 [ 727.084658] ? print_usage_bug+0xc0/0xc0 [ 727.088714] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 727.093902] ? find_held_lock+0x36/0x1c0 [ 727.097962] ? zap_class+0x640/0x640 [ 727.101673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.107204] ? check_preemption_disabled+0x48/0x280 [ 727.112224] ? __lock_is_held+0xb5/0x140 [ 727.116277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.122081] ? check_preemption_disabled+0x48/0x280 [ 727.127098] run_timer_softirq+0x52/0xb0 [ 727.131152] ? rcu_read_lock_sched_held+0x14f/0x180 [ 727.136162] __do_softirq+0x308/0xb7e [ 727.139958] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 727.144447] ? lock_downgrade+0x900/0x900 [ 727.148616] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 727.153719] ? pvclock_read_flags+0x160/0x160 [ 727.158206] ? lapic_next_event+0x5a/0x90 [ 727.162353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.167938] ? kvm_clock_read+0x18/0x30 [ 727.171909] ? kvm_sched_clock_read+0x9/0x20 [ 727.176314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.181841] ? check_preemption_disabled+0x48/0x280 [ 727.186878] irq_exit+0x17f/0x1c0 [ 727.190325] smp_apic_timer_interrupt+0x1cb/0x760 [ 727.195161] ? smp_reschedule_interrupt+0x109/0x650 [ 727.200193] ? smp_call_function_single_interrupt+0x650/0x650 [ 727.206067] ? interrupt_entry+0xb5/0xc0 [ 727.210207] ? trace_hardirqs_off_caller+0xbb/0x310 [ 727.215224] ? trace_hardirqs_off_caller+0xbb/0x310 [ 727.220428] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 727.225255] ? trace_hardirqs_on_caller+0x310/0x310 [ 727.230256] ? trace_hardirqs_on_caller+0x310/0x310 [ 727.235265] ? task_prio+0x50/0x50 [ 727.238800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.244333] ? check_preemption_disabled+0x48/0x280 [ 727.249372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 727.254212] apic_timer_interrupt+0xf/0x20 [ 727.258433] [ 727.260675] RIP: 0010:console_unlock+0x102f/0x1190 [ 727.265596] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 727.284486] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 727.292183] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 727.299437] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 727.306711] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 727.313972] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 727.321522] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 727.328795] ? netconsole_netdev_event+0x280/0x280 [ 727.333720] ? console_unlock+0x1026/0x1190 [ 727.338058] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 727.342717] ? vprintk_emit+0x846/0x990 [ 727.346703] ? lock_release+0xa00/0xa00 [ 727.350777] ? trace_hardirqs_on+0x70/0x310 [ 727.355086] ? vprintk_default+0x28/0x30 [ 727.359161] ? trace_hardirqs_off_caller+0x310/0x310 [ 727.364265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.369801] vprintk_emit+0x391/0x990 [ 727.373596] ? wake_up_klogd+0x180/0x180 [ 727.377657] ? find_held_lock+0x11/0x1c0 [ 727.381723] ? mark_held_locks+0xc7/0x130 [ 727.385872] ? _raw_spin_unlock_irq+0x27/0x80 [ 727.390359] ? _raw_spin_unlock_irq+0x27/0x80 [ 727.394850] vprintk_default+0x28/0x30 [ 727.398729] vprintk_func+0x7e/0x181 [ 727.402447] printk+0xa7/0xcf [ 727.405549] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 727.410302] ? _raw_spin_unlock_irq+0x60/0x80 [ 727.414808] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 727.420340] dump_header+0x7cc/0xf72 [ 727.424057] ? pagefault_out_of_memory+0x197/0x197 [ 727.428998] ? __lock_acquire+0x62f/0x4c20 [ 727.433231] ? print_usage_bug+0xc0/0xc0 [ 727.437291] ? zap_class+0x640/0x640 [ 727.441000] ? zap_class+0x640/0x640 [ 727.444708] ? print_usage_bug+0xc0/0xc0 [ 727.448770] ? print_usage_bug+0xc0/0xc0 [ 727.452838] ? find_held_lock+0x36/0x1c0 [ 727.456901] ? mark_held_locks+0xc7/0x130 [ 727.461065] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 727.466156] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 727.471252] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 727.475829] ? trace_hardirqs_on+0xbd/0x310 [ 727.480144] ? kasan_check_read+0x11/0x20 [ 727.484278] ? ___ratelimit+0x3b4/0x672 [ 727.488243] ? trace_hardirqs_off_caller+0x310/0x310 [ 727.493341] ? trace_hardirqs_on+0x310/0x310 [ 727.497751] ? lock_downgrade+0x900/0x900 [ 727.501994] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 727.507092] ? ___ratelimit+0x3b9/0x672 [ 727.511068] ? idr_get_free+0xf70/0xf70 [ 727.515037] ? kasan_check_read+0x11/0x20 [ 727.519432] ? do_raw_spin_unlock+0xa7/0x330 [ 727.523844] oom_kill_process.cold.27+0x10/0x903 [ 727.528598] ? zap_class+0x640/0x640 [ 727.532303] ? _raw_spin_unlock+0x2c/0x50 [ 727.536444] ? oom_badness+0xe6/0xaa0 [ 727.540244] ? oom_evaluate_task+0x540/0x540 [ 727.544644] ? find_held_lock+0x36/0x1c0 [ 727.548702] ? out_of_memory+0x974/0x1430 [ 727.552845] ? lock_downgrade+0x900/0x900 [ 727.556989] ? check_preemption_disabled+0x48/0x280 [ 727.562008] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 727.566928] ? kasan_check_read+0x11/0x20 [ 727.571068] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 727.576343] ? rcu_softirq_qs+0x20/0x20 [ 727.580317] ? kasan_check_write+0x14/0x20 [ 727.584554] ? oom_evaluate_task+0x302/0x540 [ 727.588958] out_of_memory+0xa84/0x1430 [ 727.592935] ? oom_killer_disable+0x3a0/0x3a0 [ 727.597423] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 727.602369] ? __ww_mutex_check_waiters+0x160/0x160 [ 727.607389] __alloc_pages_slowpath+0x2354/0x2e10 [ 727.612255] ? warn_alloc+0x120/0x120 [ 727.616051] ? mark_held_locks+0x130/0x130 [ 727.620509] ? find_get_entry+0xaae/0x1120 [ 727.624772] ? filemap_map_pages+0x1a20/0x1a20 [ 727.629351] ? zap_class+0x640/0x640 [ 727.633064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.638596] ? check_preemption_disabled+0x48/0x280 [ 727.643627] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.649166] ? should_fail+0x22d/0xd01 [ 727.653053] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 727.658154] ? zap_class+0x640/0x640 [ 727.662373] ? __lock_is_held+0xb5/0x140 [ 727.666435] ? mark_held_locks+0x130/0x130 [ 727.670662] ? lock_release+0xa00/0xa00 [ 727.674635] ? perf_trace_sched_process_exec+0x860/0x860 [ 727.680077] ? xa_load+0x2ba/0x460 [ 727.683612] ? lock_downgrade+0x900/0x900 [ 727.687768] ? __might_sleep+0x95/0x190 [ 727.691832] __alloc_pages_nodemask+0xa80/0xde0 [ 727.696499] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 727.701519] ? __page_cache_alloc+0x191/0x5c0 [ 727.706013] ? xa_load+0x2e1/0x460 [ 727.709558] ? xa_clear_mark+0x40/0x40 [ 727.713438] ? zap_class+0x640/0x640 [ 727.717152] ? zap_class+0x640/0x640 [ 727.721111] ? zap_class+0x640/0x640 [ 727.724816] ? __do_page_cache_readahead+0x663/0x810 [ 727.729937] ? find_held_lock+0x36/0x1c0 [ 727.733994] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 727.739533] alloc_pages_current+0x173/0x350 [ 727.743941] __page_cache_alloc+0x38c/0x5c0 [ 727.748292] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 727.753211] ? kasan_check_read+0x11/0x20 [ 727.757354] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 727.762625] ? generic_perform_write+0x6a0/0x6a0 [ 727.767373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.772981] ? check_preemption_disabled+0x48/0x280 [ 727.777992] filemap_fault+0x1595/0x25f0 [ 727.782057] ? __lock_page_or_retry+0xa00/0xa00 [ 727.786746] ? mark_held_locks+0x130/0x130 [ 727.790986] ? filemap_map_pages+0xd6b/0x1a20 [ 727.795477] ? lock_downgrade+0x900/0x900 [ 727.799618] ? check_preemption_disabled+0x48/0x280 [ 727.804634] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 727.809555] ? kasan_check_read+0x11/0x20 [ 727.813700] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 727.818967] ? rcu_softirq_qs+0x20/0x20 [ 727.823262] ? filemap_map_pages+0xd92/0x1a20 [ 727.827972] ? find_get_entries_tag+0x1400/0x1400 [ 727.832912] ? futex_wake+0x760/0x760 [ 727.836758] ? lock_acquire+0x1ed/0x520 [ 727.840735] ? ext4_filemap_fault+0x7a/0xad [ 727.845061] ? lock_release+0xa00/0xa00 [ 727.849027] ? perf_trace_sched_process_exec+0x860/0x860 [ 727.854579] ? print_usage_bug+0xc0/0xc0 [ 727.858761] ? print_usage_bug+0xc0/0xc0 [ 727.862826] ? down_read+0x8d/0x120 [ 727.866447] ? ext4_filemap_fault+0x7a/0xad [ 727.870770] ? __down_interruptible+0x700/0x700 [ 727.875440] ext4_filemap_fault+0x82/0xad [ 727.879581] __do_fault+0x100/0x6b0 [ 727.883203] ? pmd_devmap_trans_unstable+0x220/0x220 [ 727.888303] ? mark_held_locks+0x130/0x130 [ 727.892533] ? mark_held_locks+0x130/0x130 [ 727.896767] ? __might_fault+0x12b/0x1e0 [ 727.900830] ? lock_downgrade+0x900/0x900 [ 727.904985] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.910520] __handle_mm_fault+0x3ea0/0x5be0 [ 727.914933] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 727.920033] ? kasan_check_read+0x11/0x20 [ 727.924239] ? _copy_to_user+0xc8/0x110 [ 727.928234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.933778] ? zap_class+0x640/0x640 [ 727.937486] ? zap_class+0x640/0x640 [ 727.941199] ? find_held_lock+0x36/0x1c0 [ 727.945261] ? handle_mm_fault+0x42a/0xc70 [ 727.949505] ? lock_downgrade+0x900/0x900 [ 727.953652] ? check_preemption_disabled+0x48/0x280 [ 727.958681] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 727.963602] ? kasan_check_read+0x11/0x20 [ 727.967751] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 727.973041] ? rcu_softirq_qs+0x20/0x20 [ 727.977009] ? trace_hardirqs_off_caller+0x310/0x310 [ 727.982106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.987658] ? check_preemption_disabled+0x48/0x280 [ 727.992684] handle_mm_fault+0x54f/0xc70 [ 727.996785] ? __handle_mm_fault+0x5be0/0x5be0 [ 728.001369] ? find_vma+0x34/0x190 [ 728.004909] __do_page_fault+0x5e8/0xe60 [ 728.008964] ? trace_hardirqs_off+0xb8/0x310 [ 728.013375] do_page_fault+0xf2/0x7e0 [ 728.017176] ? vmalloc_sync_all+0x30/0x30 [ 728.021582] ? error_entry+0x70/0xd0 [ 728.025295] ? trace_hardirqs_off_caller+0xbb/0x310 [ 728.030312] ? trace_hardirqs_on_caller+0xc0/0x310 [ 728.035236] ? syscall_return_slowpath+0x5e0/0x5e0 [ 728.040168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.045006] ? trace_hardirqs_on_caller+0x310/0x310 [ 728.050016] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 728.055464] ? prepare_exit_to_usermode+0x291/0x3b0 [ 728.060471] ? page_fault+0x8/0x30 [ 728.064005] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.068846] ? page_fault+0x8/0x30 [ 728.072378] page_fault+0x1e/0x30 [ 728.075824] RIP: 0033:0x407e06 [ 728.079028] Code: Bad RIP value. [ 728.082383] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 728.087747] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 728.095005] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 728.102270] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 728.109534] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 728.116803] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 728.124393] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 728.124499] aoe: skb alloc failure [ 728.131691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 728.131696] Call Trace: [ 728.131724] dump_stack+0x244/0x39d [ 728.131766] ? dump_stack_print_info.cold.1+0x20/0x20 [ 728.135308] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 728.144642] warn_alloc.cold.116+0xb7/0x1bd [ 728.147187] syz-fuzzer cpuset=/ mems_allowed=0 [ 728.150802] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 728.180180] ? lock_downgrade+0x900/0x900 [ 728.184332] ? trace_hardirqs_off+0xb8/0x310 [ 728.188751] ? trace_hardirqs_off+0xb8/0x310 [ 728.193163] __alloc_pages_slowpath+0x26e8/0x2e10 [ 728.198030] ? warn_alloc+0x120/0x120 [ 728.201827] ? zap_class+0x640/0x640 [ 728.205532] ? warn_alloc+0x120/0x120 [ 728.209330] ? warn_alloc+0x120/0x120 [ 728.213127] ? print_usage_bug+0xc0/0xc0 [ 728.217180] ? find_held_lock+0x36/0x1c0 [ 728.221544] ? print_usage_bug+0xc0/0xc0 [ 728.225611] ? cpuacct_charge+0x265/0x440 [ 728.229758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.235295] ? should_fail+0x22d/0xd01 [ 728.239181] ? find_held_lock+0x36/0x1c0 [ 728.243248] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 728.248347] ? __lock_acquire+0x62f/0x4c20 [ 728.252584] ? should_fail+0x22d/0xd01 [ 728.256497] ? mark_held_locks+0x130/0x130 [ 728.260740] ? mark_held_locks+0x130/0x130 [ 728.264974] ? __lock_acquire+0x62f/0x4c20 [ 728.269212] ? zap_class+0x640/0x640 [ 728.272925] ? __lock_is_held+0xb5/0x140 [ 728.276983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.282520] ? check_preemption_disabled+0x48/0x280 [ 728.287626] ? __lock_is_held+0xb5/0x140 [ 728.291695] __alloc_pages_nodemask+0xa80/0xde0 [ 728.296361] ? zap_class+0x640/0x640 [ 728.300073] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 728.305095] ? find_held_lock+0x36/0x1c0 [ 728.309160] ? ____cache_alloc_node+0x1c7/0x1e0 [ 728.313826] ? lock_downgrade+0x900/0x900 [ 728.317976] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 728.323814] cache_grow_begin+0xa5/0x8c0 [ 728.327881] ? do_raw_spin_unlock+0xa7/0x330 [ 728.332292] fallback_alloc+0x204/0x2e0 [ 728.336285] ____cache_alloc_node+0x1c7/0x1e0 [ 728.340786] kmem_cache_alloc+0x1f8/0x730 [ 728.344936] skb_clone+0x1bb/0x500 [ 728.348484] ? finish_task_switch+0x1b4/0x910 [ 728.352976] ? skb_split+0x11e0/0x11e0 [ 728.356858] ? preempt_notifier_register+0x200/0x200 [ 728.361952] ? __switch_to_asm+0x34/0x70 [ 728.366004] ? __switch_to_asm+0x34/0x70 [ 728.370056] ? __switch_to_asm+0x40/0x70 [ 728.374104] ? __switch_to_asm+0x34/0x70 [ 728.378158] ? __switch_to_asm+0x40/0x70 [ 728.382212] ? __switch_to_asm+0x34/0x70 [ 728.386270] ? __switch_to_asm+0x40/0x70 [ 728.390322] ? __switch_to_asm+0x34/0x70 [ 728.394389] ? __switch_to_asm+0x34/0x70 [ 728.398443] ? __switch_to_asm+0x40/0x70 [ 728.402498] ? __switch_to_asm+0x34/0x70 [ 728.406560] bpf_clone_redirect+0xb9/0x490 [ 728.410791] ? __schedule+0x8d7/0x21d0 [ 728.414674] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 728.420143] ? __sched_text_start+0x8/0x8 [ 728.424284] ? retint_kernel+0x2d/0x2d [ 728.428195] ? find_held_lock+0x36/0x1c0 [ 728.432262] ? lock_acquire+0x1ed/0x520 [ 728.436232] ? bpf_test_run+0x3cb/0x780 [ 728.440194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.445726] ? check_preemption_disabled+0x48/0x280 [ 728.450749] ? kasan_check_read+0x11/0x20 [ 728.454892] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 728.460162] ? rcu_softirq_qs+0x20/0x20 [ 728.464129] ? preempt_schedule+0x4d/0x60 [ 728.468359] ? ___preempt_schedule+0x16/0x18 [ 728.472773] ? bpf_test_run+0x25d/0x780 [ 728.476754] ? netlink_diag_dump+0x2a0/0x2a0 [ 728.481164] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.486697] ? bpf_test_init.isra.10+0x70/0x100 [ 728.491378] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 728.496153] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 728.501077] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 728.506610] ? fput+0x130/0x1a0 [ 728.509889] ? __bpf_prog_get+0x9b/0x290 [ 728.513954] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 728.518790] ? bpf_prog_test_run+0x130/0x1a0 [ 728.523945] ? __x64_sys_bpf+0x3db/0x520 [ 728.528006] ? bpf_prog_get+0x20/0x20 [ 728.531836] ? do_syscall_64+0x1b9/0x820 [ 728.535891] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 728.541255] ? syscall_return_slowpath+0x5e0/0x5e0 [ 728.546176] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.551012] ? trace_hardirqs_on_caller+0x310/0x310 [ 728.556020] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 728.561054] ? prepare_exit_to_usermode+0x291/0x3b0 [ 728.566071] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.570911] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 728.576282] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 728.576286] warn_alloc_show_mem: 1 callbacks suppressed [ 728.576293] Mem-Info: [ 728.583381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 728.588752] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 728.588752] active_file:32 inactive_file:0 isolated_file:0 [ 728.588752] unevictable:0 dirty:0 writeback:0 unstable:0 [ 728.588752] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 728.588752] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 728.588752] free:13730 free_pcp:227 free_cma:0 [ 728.591117] Call Trace: [ 728.600488] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 728.633792] [ 728.636356] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 728.664713] dump_stack+0x244/0x39d [ 728.666838] lowmem_reserve[]: 0 2818 6321 6321 [ 728.692937] ? dump_stack_print_info.cold.1+0x20/0x20 [ 728.696531] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 728.701112] warn_alloc.cold.116+0xb7/0x1bd [ 728.706281] lowmem_reserve[]: 0 0 3503 3503 [ 728.734028] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 728.738337] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 728.742647] ? lock_downgrade+0x900/0x900 [ 728.747455] lowmem_reserve[]: 0 0 0 0 [ 728.776594] ? trace_hardirqs_off+0xb8/0x310 [ 728.780720] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 728.784531] ? trace_hardirqs_off+0xb8/0x310 [ 728.788910] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 728.802615] __alloc_pages_slowpath+0x26e8/0x2e10 [ 728.806990] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 728.821994] ? warn_alloc+0x120/0x120 [ 728.826793] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 728.840904] ? warn_alloc+0x120/0x120 [ 728.844679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 728.853503] ? __lock_acquire+0x62f/0x4c20 [ 728.857272] 6658 total pagecache pages [ 728.865835] ? warn_alloc+0x120/0x120 [ 728.870046] 0 pages in swap cache [ 728.873913] ? print_usage_bug+0xc0/0xc0 [ 728.877689] Swap cache stats: add 0, delete 0, find 0/0 [ 728.881135] ? print_usage_bug+0xc0/0xc0 [ 728.885165] Free swap = 0kB [ 728.890513] ? mark_held_locks+0x130/0x130 [ 728.894548] Total swap = 0kB [ 728.897568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.901777] 1965979 pages RAM [ 728.904798] ? should_fail+0x22d/0xd01 [ 728.910309] 0 pages HighMem/MovableOnly [ 728.913409] ? zap_class+0x640/0x640 [ 728.917267] 342853 pages reserved [ 728.921479] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 728.925164] 0 pages cma reserved [ 728.928614] ? __lock_acquire+0x62f/0x4c20 [ 728.933916] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 728.937045] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 728.941258] syz-executor0 cpuset=syz0 mems_allowed=0 [ 728.951729] ? should_fail+0x22d/0xd01 [ 728.965765] ? mark_held_locks+0x130/0x130 [ 728.970016] ? mark_held_locks+0x130/0x130 [ 728.974246] ? lock_downgrade+0x900/0x900 [ 728.978389] ? zap_class+0x640/0x640 [ 728.982100] ? zap_class+0x640/0x640 [ 728.985814] ? zap_class+0x640/0x640 [ 728.989526] ? do_raw_spin_unlock+0xa7/0x330 [ 728.993932] ? trace_hardirqs_on+0x310/0x310 [ 728.998339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.003872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.009428] ? check_preemption_disabled+0x48/0x280 [ 729.014449] ? __lock_is_held+0xb5/0x140 [ 729.018600] __alloc_pages_nodemask+0xa80/0xde0 [ 729.023557] ? zap_class+0x640/0x640 [ 729.027271] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 729.032294] ? find_held_lock+0x36/0x1c0 [ 729.036357] ? ____cache_alloc_node+0x1c7/0x1e0 [ 729.041018] ? lock_downgrade+0x900/0x900 [ 729.045181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.050723] cache_grow_begin+0xa5/0x8c0 [ 729.054776] ? do_raw_spin_unlock+0xa7/0x330 [ 729.059191] fallback_alloc+0x204/0x2e0 [ 729.063167] ____cache_alloc_node+0x1c7/0x1e0 [ 729.067675] kmem_cache_alloc_node+0xe3/0x730 [ 729.072178] ? lockdep_hardirqs_on+0x296/0x5b0 [ 729.076761] __alloc_skb+0x119/0x770 [ 729.080466] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 729.085825] ? netdev_alloc_frag+0x1f0/0x1f0 [ 729.090234] ? vprintk_default+0x28/0x30 [ 729.094291] ? vprintk_func+0x85/0x181 [ 729.098184] ? printk+0xa7/0xcf [ 729.101455] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 729.106214] new_skb+0x26/0x1c0 [ 729.109491] aoecmd_cfg+0x279/0x7f0 [ 729.113114] ? find_held_lock+0x36/0x1c0 [ 729.117173] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 729.121810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.127346] ? __lock_is_held+0xb5/0x140 [ 729.131411] discover_timer+0x50/0x60 [ 729.135200] call_timer_fn+0x272/0x920 [ 729.139080] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 729.143909] ? process_timeout+0x40/0x40 [ 729.147965] ? mark_held_locks+0xc7/0x130 [ 729.152107] ? _raw_spin_unlock_irq+0x27/0x80 [ 729.156593] ? _raw_spin_unlock_irq+0x27/0x80 [ 729.161078] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 729.165912] ? lockdep_hardirqs_on+0x296/0x5b0 [ 729.170482] ? trace_hardirqs_on+0xbd/0x310 [ 729.174793] ? kasan_check_read+0x11/0x20 [ 729.178935] ? __run_timers+0x7da/0xc70 [ 729.182903] ? trace_hardirqs_off_caller+0x310/0x310 [ 729.188041] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 729.192891] __run_timers+0x7e5/0xc70 [ 729.196753] ? timer_fixup_init+0x70/0x70 [ 729.200901] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 729.205906] ? zap_class+0x640/0x640 [ 729.209610] ? print_usage_bug+0xc0/0xc0 [ 729.213665] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 729.218859] ? find_held_lock+0x36/0x1c0 [ 729.223128] ? zap_class+0x640/0x640 [ 729.226836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.232365] ? check_preemption_disabled+0x48/0x280 [ 729.237383] ? __lock_is_held+0xb5/0x140 [ 729.241437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.246982] ? check_preemption_disabled+0x48/0x280 [ 729.252000] run_timer_softirq+0x52/0xb0 [ 729.256070] ? rcu_read_lock_sched_held+0x14f/0x180 [ 729.261077] __do_softirq+0x308/0xb7e [ 729.264873] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 729.269353] ? lock_downgrade+0x900/0x900 [ 729.273513] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 729.278622] ? pvclock_read_flags+0x160/0x160 [ 729.283114] ? lapic_next_event+0x5a/0x90 [ 729.287263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.292813] ? kvm_clock_read+0x18/0x30 [ 729.296780] ? kvm_sched_clock_read+0x9/0x20 [ 729.301183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.306718] ? check_preemption_disabled+0x48/0x280 [ 729.311736] irq_exit+0x17f/0x1c0 [ 729.315186] smp_apic_timer_interrupt+0x1cb/0x760 [ 729.320239] ? smp_reschedule_interrupt+0x109/0x650 [ 729.325264] ? smp_call_function_single_interrupt+0x650/0x650 [ 729.331149] ? interrupt_entry+0xb5/0xc0 [ 729.335205] ? trace_hardirqs_off_caller+0xbb/0x310 [ 729.340305] ? trace_hardirqs_off_caller+0xbb/0x310 [ 729.345315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 729.350151] ? trace_hardirqs_on_caller+0x310/0x310 [ 729.355154] ? trace_hardirqs_on_caller+0x310/0x310 [ 729.360163] ? task_prio+0x50/0x50 [ 729.363723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.369253] ? check_preemption_disabled+0x48/0x280 [ 729.374266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 729.379101] apic_timer_interrupt+0xf/0x20 [ 729.383321] [ 729.385554] RIP: 0010:console_unlock+0x102f/0x1190 [ 729.390475] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 729.409364] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 729.417059] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 729.424565] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 729.431825] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 729.439085] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 729.446471] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 729.453740] ? netconsole_netdev_event+0x280/0x280 [ 729.458668] ? console_unlock+0x1026/0x1190 [ 729.463009] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 729.467696] ? vprintk_emit+0x846/0x990 [ 729.471664] ? lock_release+0xa00/0xa00 [ 729.475644] ? trace_hardirqs_on+0x70/0x310 [ 729.479963] ? vprintk_default+0x28/0x30 [ 729.484021] ? trace_hardirqs_off_caller+0x310/0x310 [ 729.489119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.494699] vprintk_emit+0x391/0x990 [ 729.498501] ? wake_up_klogd+0x180/0x180 [ 729.502560] ? find_held_lock+0x11/0x1c0 [ 729.506643] ? mark_held_locks+0xc7/0x130 [ 729.510790] ? _raw_spin_unlock_irq+0x27/0x80 [ 729.515276] ? _raw_spin_unlock_irq+0x27/0x80 [ 729.519985] vprintk_default+0x28/0x30 [ 729.523865] vprintk_func+0x7e/0x181 [ 729.527574] printk+0xa7/0xcf [ 729.530677] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 729.535432] ? _raw_spin_unlock_irq+0x60/0x80 [ 729.539942] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 729.545245] dump_header+0x7cc/0xf72 [ 729.548961] ? pagefault_out_of_memory+0x197/0x197 [ 729.553888] ? __lock_acquire+0x62f/0x4c20 [ 729.558132] ? print_usage_bug+0xc0/0xc0 [ 729.562288] ? zap_class+0x640/0x640 [ 729.565991] ? zap_class+0x640/0x640 [ 729.569705] ? print_usage_bug+0xc0/0xc0 [ 729.573799] ? print_usage_bug+0xc0/0xc0 [ 729.577861] ? find_held_lock+0x36/0x1c0 [ 729.581934] ? mark_held_locks+0xc7/0x130 [ 729.586078] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 729.591169] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 729.596350] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 729.600927] ? trace_hardirqs_on+0xbd/0x310 [ 729.605242] ? kasan_check_read+0x11/0x20 [ 729.609382] ? ___ratelimit+0x3b4/0x672 [ 729.613350] ? trace_hardirqs_off_caller+0x310/0x310 [ 729.618467] ? trace_hardirqs_on+0x310/0x310 [ 729.623156] ? lock_downgrade+0x900/0x900 [ 729.627326] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 729.632421] ? ___ratelimit+0x3b9/0x672 [ 729.636390] ? idr_get_free+0xf70/0xf70 [ 729.640356] ? kasan_check_read+0x11/0x20 [ 729.644498] ? do_raw_spin_unlock+0xa7/0x330 [ 729.648921] oom_kill_process.cold.27+0x10/0x903 [ 729.653676] ? zap_class+0x640/0x640 [ 729.657384] ? _raw_spin_unlock+0x2c/0x50 [ 729.662028] ? oom_badness+0xe6/0xaa0 [ 729.665829] ? oom_evaluate_task+0x540/0x540 [ 729.670234] ? find_held_lock+0x36/0x1c0 [ 729.674297] ? out_of_memory+0x974/0x1430 [ 729.678440] ? lock_downgrade+0x900/0x900 [ 729.682580] ? check_preemption_disabled+0x48/0x280 [ 729.687591] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 729.692516] ? kasan_check_read+0x11/0x20 [ 729.696652] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 729.701932] ? rcu_softirq_qs+0x20/0x20 [ 729.705906] ? kasan_check_write+0x14/0x20 [ 729.710130] ? oom_evaluate_task+0x302/0x540 [ 729.714536] out_of_memory+0xa84/0x1430 [ 729.718511] ? oom_killer_disable+0x3a0/0x3a0 [ 729.723425] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 729.728349] ? __ww_mutex_check_waiters+0x160/0x160 [ 729.733373] __alloc_pages_slowpath+0x2354/0x2e10 [ 729.738240] ? warn_alloc+0x120/0x120 [ 729.742053] ? mark_held_locks+0x130/0x130 [ 729.746286] ? find_get_entry+0xaae/0x1120 [ 729.750523] ? filemap_map_pages+0x1a20/0x1a20 [ 729.755118] ? zap_class+0x640/0x640 [ 729.758833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.764362] ? check_preemption_disabled+0x48/0x280 [ 729.769369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 729.774898] ? should_fail+0x22d/0xd01 [ 729.778781] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 729.783883] ? zap_class+0x640/0x640 [ 729.787613] ? __lock_is_held+0xb5/0x140 [ 729.791692] ? mark_held_locks+0x130/0x130 [ 729.795924] ? lock_release+0xa00/0xa00 [ 729.799892] ? perf_trace_sched_process_exec+0x860/0x860 [ 729.805337] ? xa_load+0x2ba/0x460 [ 729.808872] ? lock_downgrade+0x900/0x900 [ 729.813018] ? __might_sleep+0x95/0x190 [ 729.816996] __alloc_pages_nodemask+0xa80/0xde0 [ 729.821951] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 729.826960] ? __page_cache_alloc+0x191/0x5c0 [ 729.831681] ? xa_load+0x2e1/0x460 [ 729.835219] ? xa_clear_mark+0x40/0x40 [ 729.839103] ? zap_class+0x640/0x640 [ 729.842815] ? zap_class+0x640/0x640 [ 729.846524] ? zap_class+0x640/0x640 [ 729.850252] ? __do_page_cache_readahead+0x663/0x810 [ 729.855355] ? find_held_lock+0x36/0x1c0 [ 729.859415] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 729.864950] alloc_pages_current+0x173/0x350 [ 729.869365] __page_cache_alloc+0x38c/0x5c0 [ 729.873691] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 729.878610] ? kasan_check_read+0x11/0x20 [ 729.882753] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 729.888025] ? generic_perform_write+0x6a0/0x6a0 [ 729.892773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 729.898303] ? check_preemption_disabled+0x48/0x280 [ 729.903338] filemap_fault+0x1595/0x25f0 [ 729.907428] ? __lock_page_or_retry+0xa00/0xa00 [ 729.912095] ? mark_held_locks+0x130/0x130 [ 729.916329] ? filemap_map_pages+0xd6b/0x1a20 [ 729.921053] ? lock_downgrade+0x900/0x900 [ 729.925192] ? check_preemption_disabled+0x48/0x280 [ 729.930206] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 729.935130] ? kasan_check_read+0x11/0x20 [ 729.939272] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 729.944539] ? rcu_softirq_qs+0x20/0x20 [ 729.948519] ? filemap_map_pages+0xd92/0x1a20 [ 729.953017] ? find_get_entries_tag+0x1400/0x1400 [ 729.957858] ? futex_wake+0x760/0x760 [ 729.961676] ? lock_acquire+0x1ed/0x520 [ 729.965645] ? ext4_filemap_fault+0x7a/0xad [ 729.969981] ? lock_release+0xa00/0xa00 [ 729.973951] ? perf_trace_sched_process_exec+0x860/0x860 [ 729.979395] ? print_usage_bug+0xc0/0xc0 [ 729.983457] ? print_usage_bug+0xc0/0xc0 [ 729.987523] ? down_read+0x8d/0x120 [ 729.991158] ? ext4_filemap_fault+0x7a/0xad [ 729.995477] ? __down_interruptible+0x700/0x700 [ 730.000151] ext4_filemap_fault+0x82/0xad [ 730.004293] __do_fault+0x100/0x6b0 [ 730.007919] ? pmd_devmap_trans_unstable+0x220/0x220 [ 730.013019] ? mark_held_locks+0x130/0x130 [ 730.017247] ? mark_held_locks+0x130/0x130 [ 730.021758] ? __might_fault+0x12b/0x1e0 [ 730.025814] ? lock_downgrade+0x900/0x900 [ 730.029963] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.035495] __handle_mm_fault+0x3ea0/0x5be0 [ 730.039918] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 730.044792] ? kasan_check_read+0x11/0x20 [ 730.048933] ? _copy_to_user+0xc8/0x110 [ 730.052905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.058441] ? zap_class+0x640/0x640 [ 730.062149] ? zap_class+0x640/0x640 [ 730.065868] ? find_held_lock+0x36/0x1c0 [ 730.069928] ? handle_mm_fault+0x42a/0xc70 [ 730.074159] ? lock_downgrade+0x900/0x900 [ 730.078304] ? check_preemption_disabled+0x48/0x280 [ 730.083324] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 730.088250] ? kasan_check_read+0x11/0x20 [ 730.092388] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 730.097685] ? rcu_softirq_qs+0x20/0x20 [ 730.101672] ? trace_hardirqs_off_caller+0x310/0x310 [ 730.106767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.112300] ? check_preemption_disabled+0x48/0x280 [ 730.117331] handle_mm_fault+0x54f/0xc70 [ 730.121684] ? __handle_mm_fault+0x5be0/0x5be0 [ 730.126264] ? find_vma+0x34/0x190 [ 730.129798] __do_page_fault+0x5e8/0xe60 [ 730.133848] ? trace_hardirqs_off+0xb8/0x310 [ 730.138258] do_page_fault+0xf2/0x7e0 [ 730.142052] ? vmalloc_sync_all+0x30/0x30 [ 730.146196] ? error_entry+0x70/0xd0 [ 730.149905] ? trace_hardirqs_off_caller+0xbb/0x310 [ 730.154914] ? trace_hardirqs_on_caller+0xc0/0x310 [ 730.159840] ? syscall_return_slowpath+0x5e0/0x5e0 [ 730.164766] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.169602] ? trace_hardirqs_on_caller+0x310/0x310 [ 730.174616] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 730.180089] ? prepare_exit_to_usermode+0x291/0x3b0 [ 730.185097] ? page_fault+0x8/0x30 [ 730.188627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.193471] ? page_fault+0x8/0x30 [ 730.197002] page_fault+0x1e/0x30 [ 730.200447] RIP: 0033:0x407e06 [ 730.203644] Code: Bad RIP value. [ 730.207012] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 730.212368] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 730.219638] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 730.227191] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 730.234449] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 730.241707] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 730.248996] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 730.249058] aoe: skb alloc failure [ 730.256263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 730.256287] Call Trace: [ 730.256293] [ 730.256310] dump_stack+0x244/0x39d [ 730.256328] ? dump_stack_print_info.cold.1+0x20/0x20 [ 730.259884] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 730.269200] warn_alloc.cold.116+0xb7/0x1bd [ 730.271749] syz-fuzzer cpuset=/ mems_allowed=0 [ 730.273890] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 730.306683] ? lock_downgrade+0x900/0x900 [ 730.310833] ? trace_hardirqs_off+0xb8/0x310 [ 730.315241] ? trace_hardirqs_off+0xb8/0x310 [ 730.319665] __alloc_pages_slowpath+0x26e8/0x2e10 [ 730.325037] ? warn_alloc+0x120/0x120 [ 730.328834] ? warn_alloc+0x120/0x120 [ 730.332626] ? zap_class+0x640/0x640 [ 730.336344] ? warn_alloc+0x120/0x120 [ 730.340138] ? print_usage_bug+0xc0/0xc0 [ 730.344193] ? idle_cpu+0x1d0/0x1d0 [ 730.347812] ? kvm_sched_clock_read+0x9/0x20 [ 730.352215] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 730.357229] ? print_usage_bug+0xc0/0xc0 [ 730.361295] ? __lock_is_held+0xb5/0x140 [ 730.365357] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.370891] ? should_fail+0x22d/0xd01 [ 730.374780] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 730.379884] ? __lock_acquire+0x62f/0x4c20 [ 730.384205] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 730.389316] ? __lock_acquire+0x62f/0x4c20 [ 730.393548] ? should_fail+0x22d/0xd01 [ 730.397438] ? mark_held_locks+0x130/0x130 [ 730.401673] ? mark_held_locks+0x130/0x130 [ 730.405900] ? __enqueue_entity+0x10d/0x1f0 [ 730.410238] ? zap_class+0x640/0x640 [ 730.413947] ? print_usage_bug+0xc0/0xc0 [ 730.418016] ? __lock_acquire+0x62f/0x4c20 [ 730.422723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.428252] ? check_preemption_disabled+0x48/0x280 [ 730.433273] ? __lock_is_held+0xb5/0x140 [ 730.437345] __alloc_pages_nodemask+0xa80/0xde0 [ 730.442007] ? zap_class+0x640/0x640 [ 730.445729] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 730.450758] ? find_held_lock+0x36/0x1c0 [ 730.454824] ? ____cache_alloc_node+0x1c7/0x1e0 [ 730.459488] ? lock_downgrade+0x900/0x900 [ 730.463669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.469203] cache_grow_begin+0xa5/0x8c0 [ 730.473256] ? do_raw_spin_unlock+0xa7/0x330 [ 730.477663] fallback_alloc+0x204/0x2e0 [ 730.481644] ____cache_alloc_node+0x1c7/0x1e0 [ 730.486131] kmem_cache_alloc_node+0xe3/0x730 [ 730.490615] ? ipv6_get_ifaddr+0x42e/0x620 [ 730.494852] __alloc_skb+0x119/0x770 [ 730.498557] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 730.503830] ? netdev_alloc_frag+0x1f0/0x1f0 [ 730.508232] ? lock_downgrade+0x900/0x900 [ 730.512384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.517915] ? refcount_sub_and_test_checked+0x203/0x310 [ 730.523870] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 730.529313] ? addrconf_rs_timer+0x690/0x690 [ 730.533728] ndisc_alloc_skb+0x144/0x340 [ 730.537792] ndisc_send_rs+0x331/0x6e0 [ 730.541689] addrconf_rs_timer+0x314/0x690 [ 730.545930] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 730.550172] call_timer_fn+0x272/0x920 [ 730.554146] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 730.558382] ? process_timeout+0x40/0x40 [ 730.562446] ? __run_timers+0x7da/0xc70 [ 730.566423] ? _raw_spin_unlock_irq+0x27/0x80 [ 730.570908] ? _raw_spin_unlock_irq+0x27/0x80 [ 730.575390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 730.579615] ? lockdep_hardirqs_on+0x296/0x5b0 [ 730.584195] ? trace_hardirqs_on+0xbd/0x310 [ 730.588509] ? kasan_check_read+0x11/0x20 [ 730.592663] ? __run_timers+0x7da/0xc70 [ 730.596748] ? trace_hardirqs_off_caller+0x310/0x310 [ 730.601961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 730.606204] __run_timers+0x7e5/0xc70 [ 730.610007] ? timer_fixup_init+0x70/0x70 [ 730.614159] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 730.619172] ? zap_class+0x640/0x640 [ 730.623818] ? enqueue_hrtimer+0x1a5/0x560 [ 730.628045] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 730.633316] ? find_held_lock+0x36/0x1c0 [ 730.637390] ? zap_class+0x640/0x640 [ 730.641103] ? pvclock_read_flags+0x160/0x160 [ 730.645591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.651120] ? check_preemption_disabled+0x48/0x280 [ 730.656143] ? __lock_is_held+0xb5/0x140 [ 730.660430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.665954] ? check_preemption_disabled+0x48/0x280 [ 730.670965] run_timer_softirq+0x52/0xb0 [ 730.675017] ? rcu_read_lock_sched_held+0x14f/0x180 [ 730.680114] __do_softirq+0x308/0xb7e [ 730.683911] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 730.688408] ? lock_downgrade+0x900/0x900 [ 730.692549] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 730.697662] ? pvclock_read_flags+0x160/0x160 [ 730.702163] ? lapic_next_event+0x5a/0x90 [ 730.706305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.711866] ? kvm_clock_read+0x18/0x30 [ 730.715838] ? kvm_sched_clock_read+0x9/0x20 [ 730.720731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.726262] ? check_preemption_disabled+0x48/0x280 [ 730.731285] irq_exit+0x17f/0x1c0 [ 730.734841] smp_apic_timer_interrupt+0x1cb/0x760 [ 730.739678] ? smp_reschedule_interrupt+0x109/0x650 [ 730.744689] ? smp_call_function_single_interrupt+0x650/0x650 [ 730.750567] ? interrupt_entry+0xb5/0xc0 [ 730.754636] ? trace_hardirqs_off_caller+0xbb/0x310 [ 730.759654] ? trace_hardirqs_off_caller+0xbb/0x310 [ 730.764665] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.769499] ? trace_hardirqs_on_caller+0x310/0x310 [ 730.774604] ? trace_hardirqs_on_caller+0x310/0x310 [ 730.779618] ? task_prio+0x50/0x50 [ 730.783165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.788694] ? check_preemption_disabled+0x48/0x280 [ 730.793710] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.798555] apic_timer_interrupt+0xf/0x20 [ 730.802784] [ 730.805022] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 730.809957] Code: 7e 0f 85 cf fe ff ff e8 66 c5 3d ff e9 c5 fe ff ff e8 cd fa c2 ff 48 83 3d e5 43 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 730.829128] RSP: 0000:ffff88018e6c7718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 730.836835] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 730.844098] RDX: 0000000000000000 RSI: ffff8801bf222ac0 RDI: 0000000000000286 [ 730.851362] RBP: ffff88018e6c7780 R08: ffff8801bf222240 R09: 0000000000000000 [ 730.858644] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 730.865911] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 730.873218] skb_clone+0x1bb/0x500 [ 730.876755] ? finish_task_switch+0x1b4/0x910 [ 730.881246] ? skb_split+0x11e0/0x11e0 [ 730.885130] ? preempt_notifier_register+0x200/0x200 [ 730.890244] ? __switch_to_asm+0x34/0x70 [ 730.894295] ? __switch_to_asm+0x34/0x70 [ 730.898349] ? __switch_to_asm+0x40/0x70 [ 730.902398] ? __switch_to_asm+0x34/0x70 [ 730.906451] ? __switch_to_asm+0x40/0x70 [ 730.910498] ? __switch_to_asm+0x34/0x70 [ 730.914640] ? __switch_to_asm+0x40/0x70 [ 730.918692] ? __switch_to_asm+0x34/0x70 [ 730.922964] ? __switch_to_asm+0x34/0x70 [ 730.927102] ? __switch_to_asm+0x40/0x70 [ 730.931154] ? __switch_to_asm+0x34/0x70 [ 730.935209] bpf_clone_redirect+0xb9/0x490 [ 730.939436] ? __schedule+0x8d7/0x21d0 [ 730.943325] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 730.948338] ? __sched_text_start+0x8/0x8 [ 730.952479] ? retint_kernel+0x2d/0x2d [ 730.956369] ? find_held_lock+0x36/0x1c0 [ 730.960428] ? lock_acquire+0x1ed/0x520 [ 730.964395] ? bpf_test_run+0x3cb/0x780 [ 730.968365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.973896] ? check_preemption_disabled+0x48/0x280 [ 730.978914] ? kasan_check_read+0x11/0x20 [ 730.983058] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 730.988344] ? rcu_softirq_qs+0x20/0x20 [ 730.992306] ? preempt_schedule+0x4d/0x60 [ 730.996535] ? ___preempt_schedule+0x16/0x18 [ 731.000958] ? bpf_test_run+0x25d/0x780 [ 731.004932] ? netlink_diag_dump+0x2a0/0x2a0 [ 731.009336] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 731.014870] ? bpf_test_init.isra.10+0x70/0x100 [ 731.019530] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 731.024709] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 731.029539] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 731.035072] ? fput+0x130/0x1a0 [ 731.038345] ? __bpf_prog_get+0x9b/0x290 [ 731.042400] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 731.047233] ? bpf_prog_test_run+0x130/0x1a0 [ 731.051641] ? __x64_sys_bpf+0x3db/0x520 [ 731.055700] ? bpf_prog_get+0x20/0x20 [ 731.059514] ? do_syscall_64+0x1b9/0x820 [ 731.063564] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 731.069008] ? syscall_return_slowpath+0x5e0/0x5e0 [ 731.073928] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 731.078782] ? trace_hardirqs_on_caller+0x310/0x310 [ 731.083790] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 731.088801] ? prepare_exit_to_usermode+0x291/0x3b0 [ 731.093825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 731.098686] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 731.104073] warn_alloc_show_mem: 1 callbacks suppressed [ 731.104083] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 731.104084] Mem-Info: [ 731.104126] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 731.104126] active_file:32 inactive_file:0 isolated_file:0 [ 731.104126] unevictable:0 dirty:0 writeback:0 unstable:0 [ 731.104126] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 731.104126] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 731.104126] free:13730 free_pcp:227 free_cma:0 [ 731.109460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 731.116470] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 731.118855] Call Trace: [ 731.152039] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 731.161376] [ 731.189281] lowmem_reserve[]: 0 2818 6321 6321 [ 731.191854] dump_stack+0x244/0x39d [ 731.217926] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 731.220305] ? dump_stack_print_info.cold.1+0x20/0x20 [ 731.224851] lowmem_reserve[]: 0 0 3503 3503 [ 731.228477] warn_alloc.cold.116+0xb7/0x1bd [ 731.255936] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 731.261116] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 731.265431] lowmem_reserve[]: 0 0 0 0 [ 731.269770] ? lock_downgrade+0x900/0x900 [ 731.298798] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 731.303664] ? trace_hardirqs_off+0xb8/0x310 [ 731.307438] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 731.311582] ? trace_hardirqs_off+0xb8/0x310 [ 731.325554] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 731.329965] __alloc_pages_slowpath+0x26e8/0x2e10 [ 731.344678] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 731.349100] ? warn_alloc+0x120/0x120 [ 731.363270] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 731.368095] ? warn_alloc+0x120/0x120 [ 731.376897] 6658 total pagecache pages [ 731.380689] ? __lock_acquire+0x62f/0x4c20 [ 731.389236] 0 pages in swap cache [ 731.393016] ? warn_alloc+0x120/0x120 [ 731.396879] Swap cache stats: add 0, delete 0, find 0/0 [ 731.401095] ? print_usage_bug+0xc0/0xc0 [ 731.404518] Free swap = 0kB [ 731.408303] ? print_usage_bug+0xc0/0xc0 [ 731.413638] Total swap = 0kB [ 731.417684] ? mark_held_locks+0x130/0x130 [ 731.421128] 1965979 pages RAM [ 731.425177] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 731.428166] 0 pages HighMem/MovableOnly [ 731.432383] ? should_fail+0x22d/0xd01 [ 731.435457] 342853 pages reserved [ 731.440976] ? zap_class+0x640/0x640 [ 731.444919] 0 pages cma reserved [ 731.448791] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 731.452280] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 731.455925] ? __lock_acquire+0x62f/0x4c20 [ 731.475082] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 731.480185] ? should_fail+0x22d/0xd01 [ 731.482682] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 731.484074] ? mark_held_locks+0x130/0x130 [ 731.494357] kworker/1:0 cpuset=/ mems_allowed=0 [ 731.498578] ? mark_held_locks+0x130/0x130 [ 731.507482] ? lock_downgrade+0x900/0x900 [ 731.511636] ? zap_class+0x640/0x640 [ 731.515345] ? zap_class+0x640/0x640 [ 731.519061] ? zap_class+0x640/0x640 [ 731.522992] ? do_raw_spin_unlock+0xa7/0x330 [ 731.527400] ? trace_hardirqs_on+0x310/0x310 [ 731.531807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.537341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.542876] ? check_preemption_disabled+0x48/0x280 [ 731.547892] ? __lock_is_held+0xb5/0x140 [ 731.551954] __alloc_pages_nodemask+0xa80/0xde0 [ 731.556626] ? zap_class+0x640/0x640 [ 731.560360] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 731.565380] ? find_held_lock+0x36/0x1c0 [ 731.569446] ? ____cache_alloc_node+0x1c7/0x1e0 [ 731.574108] ? lock_downgrade+0x900/0x900 [ 731.578259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.583794] cache_grow_begin+0xa5/0x8c0 [ 731.587850] ? do_raw_spin_unlock+0xa7/0x330 [ 731.592257] fallback_alloc+0x204/0x2e0 [ 731.596237] ____cache_alloc_node+0x1c7/0x1e0 [ 731.600731] kmem_cache_alloc_node+0xe3/0x730 [ 731.605219] ? lockdep_hardirqs_on+0x296/0x5b0 [ 731.609801] __alloc_skb+0x119/0x770 [ 731.613506] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 731.618869] ? netdev_alloc_frag+0x1f0/0x1f0 [ 731.623577] ? vprintk_default+0x28/0x30 [ 731.627644] ? vprintk_func+0x85/0x181 [ 731.631530] ? printk+0xa7/0xcf [ 731.634821] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 731.639578] new_skb+0x26/0x1c0 [ 731.642861] aoecmd_cfg+0x279/0x7f0 [ 731.646483] ? find_held_lock+0x36/0x1c0 [ 731.650551] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 731.654867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.660408] ? __lock_is_held+0xb5/0x140 [ 731.664470] discover_timer+0x50/0x60 [ 731.668265] call_timer_fn+0x272/0x920 [ 731.672146] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 731.676980] ? process_timeout+0x40/0x40 [ 731.681039] ? mark_held_locks+0xc7/0x130 [ 731.685263] ? _raw_spin_unlock_irq+0x27/0x80 [ 731.689747] ? _raw_spin_unlock_irq+0x27/0x80 [ 731.694233] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 731.699072] ? lockdep_hardirqs_on+0x296/0x5b0 [ 731.703648] ? trace_hardirqs_on+0xbd/0x310 [ 731.707957] ? kasan_check_read+0x11/0x20 [ 731.712102] ? __run_timers+0x7da/0xc70 [ 731.716068] ? trace_hardirqs_off_caller+0x310/0x310 [ 731.721442] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 731.726281] __run_timers+0x7e5/0xc70 [ 731.730089] ? timer_fixup_init+0x70/0x70 [ 731.734232] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 731.739243] ? zap_class+0x640/0x640 [ 731.742954] ? print_usage_bug+0xc0/0xc0 [ 731.747020] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 731.752209] ? find_held_lock+0x36/0x1c0 [ 731.756273] ? zap_class+0x640/0x640 [ 731.759989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.765526] ? check_preemption_disabled+0x48/0x280 [ 731.770548] ? __lock_is_held+0xb5/0x140 [ 731.774618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.780152] ? check_preemption_disabled+0x48/0x280 [ 731.785165] run_timer_softirq+0x52/0xb0 [ 731.789220] ? rcu_read_lock_sched_held+0x14f/0x180 [ 731.794261] __do_softirq+0x308/0xb7e [ 731.798062] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 731.802549] ? lock_downgrade+0x900/0x900 [ 731.806692] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 731.811797] ? pvclock_read_flags+0x160/0x160 [ 731.816287] ? lapic_next_event+0x5a/0x90 [ 731.820669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.826217] ? kvm_clock_read+0x18/0x30 [ 731.830342] ? kvm_sched_clock_read+0x9/0x20 [ 731.834749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.840283] ? check_preemption_disabled+0x48/0x280 [ 731.845309] irq_exit+0x17f/0x1c0 [ 731.848756] smp_apic_timer_interrupt+0x1cb/0x760 [ 731.854371] ? smp_reschedule_interrupt+0x109/0x650 [ 731.859381] ? smp_call_function_single_interrupt+0x650/0x650 [ 731.865255] ? interrupt_entry+0xb5/0xc0 [ 731.869310] ? trace_hardirqs_off_caller+0xbb/0x310 [ 731.874404] ? trace_hardirqs_off_caller+0xbb/0x310 [ 731.879415] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 731.884247] ? trace_hardirqs_on_caller+0x310/0x310 [ 731.889258] ? trace_hardirqs_on_caller+0x310/0x310 [ 731.894357] ? task_prio+0x50/0x50 [ 731.897905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.903437] ? check_preemption_disabled+0x48/0x280 [ 731.908450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 731.913296] apic_timer_interrupt+0xf/0x20 [ 731.917515] [ 731.919750] RIP: 0010:console_unlock+0x102f/0x1190 [ 731.924910] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 731.943800] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 731.951501] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 731.958762] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 731.966019] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 731.973280] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 731.980544] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 731.987812] ? netconsole_netdev_event+0x280/0x280 [ 731.992752] ? console_unlock+0x1026/0x1190 [ 731.997082] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 732.001741] ? vprintk_emit+0x846/0x990 [ 732.005711] ? lock_release+0xa00/0xa00 [ 732.009680] ? trace_hardirqs_on+0x70/0x310 [ 732.013994] ? vprintk_default+0x28/0x30 [ 732.018062] ? trace_hardirqs_off_caller+0x310/0x310 [ 732.023452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.029094] vprintk_emit+0x391/0x990 [ 732.032887] ? wake_up_klogd+0x180/0x180 [ 732.036965] ? find_held_lock+0x11/0x1c0 [ 732.041029] ? mark_held_locks+0xc7/0x130 [ 732.045190] ? _raw_spin_unlock_irq+0x27/0x80 [ 732.049682] ? _raw_spin_unlock_irq+0x27/0x80 [ 732.054175] vprintk_default+0x28/0x30 [ 732.058066] vprintk_func+0x7e/0x181 [ 732.061813] printk+0xa7/0xcf [ 732.064911] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 732.069665] ? _raw_spin_unlock_irq+0x60/0x80 [ 732.074176] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 732.079450] dump_header+0x7cc/0xf72 [ 732.083163] ? pagefault_out_of_memory+0x197/0x197 [ 732.088092] ? __lock_acquire+0x62f/0x4c20 [ 732.092321] ? print_usage_bug+0xc0/0xc0 [ 732.096398] ? zap_class+0x640/0x640 [ 732.100117] ? zap_class+0x640/0x640 [ 732.103826] ? print_usage_bug+0xc0/0xc0 [ 732.107878] ? print_usage_bug+0xc0/0xc0 [ 732.111937] ? find_held_lock+0x36/0x1c0 [ 732.115994] ? mark_held_locks+0xc7/0x130 [ 732.120424] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 732.125524] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 732.130658] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 732.135237] ? trace_hardirqs_on+0xbd/0x310 [ 732.139563] ? kasan_check_read+0x11/0x20 [ 732.143803] ? ___ratelimit+0x3b4/0x672 [ 732.147775] ? trace_hardirqs_off_caller+0x310/0x310 [ 732.152874] ? trace_hardirqs_on+0x310/0x310 [ 732.157279] ? lock_downgrade+0x900/0x900 [ 732.161425] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 732.166540] ? ___ratelimit+0x3b9/0x672 [ 732.170509] ? idr_get_free+0xf70/0xf70 [ 732.174476] ? kasan_check_read+0x11/0x20 [ 732.178625] ? do_raw_spin_unlock+0xa7/0x330 [ 732.183034] oom_kill_process.cold.27+0x10/0x903 [ 732.187784] ? zap_class+0x640/0x640 [ 732.191489] ? _raw_spin_unlock+0x2c/0x50 [ 732.195625] ? oom_badness+0xe6/0xaa0 [ 732.199431] ? oom_evaluate_task+0x540/0x540 [ 732.203831] ? find_held_lock+0x36/0x1c0 [ 732.207888] ? out_of_memory+0x974/0x1430 [ 732.212029] ? lock_downgrade+0x900/0x900 [ 732.216170] ? check_preemption_disabled+0x48/0x280 [ 732.221398] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 732.226332] ? kasan_check_read+0x11/0x20 [ 732.230495] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 732.235766] ? rcu_softirq_qs+0x20/0x20 [ 732.239751] ? kasan_check_write+0x14/0x20 [ 732.243979] ? oom_evaluate_task+0x302/0x540 [ 732.248385] out_of_memory+0xa84/0x1430 [ 732.252359] ? oom_killer_disable+0x3a0/0x3a0 [ 732.256850] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 732.261887] ? __ww_mutex_check_waiters+0x160/0x160 [ 732.266906] __alloc_pages_slowpath+0x2354/0x2e10 [ 732.271771] ? warn_alloc+0x120/0x120 [ 732.275565] ? mark_held_locks+0x130/0x130 [ 732.279811] ? find_get_entry+0xaae/0x1120 [ 732.284050] ? filemap_map_pages+0x1a20/0x1a20 [ 732.288632] ? zap_class+0x640/0x640 [ 732.292350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.297891] ? check_preemption_disabled+0x48/0x280 [ 732.302906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.308439] ? should_fail+0x22d/0xd01 [ 732.312328] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 732.317424] ? zap_class+0x640/0x640 [ 732.321478] ? __lock_is_held+0xb5/0x140 [ 732.325557] ? mark_held_locks+0x130/0x130 [ 732.329801] ? lock_release+0xa00/0xa00 [ 732.333769] ? perf_trace_sched_process_exec+0x860/0x860 [ 732.339222] ? xa_load+0x2ba/0x460 [ 732.342755] ? lock_downgrade+0x900/0x900 [ 732.346904] ? __might_sleep+0x95/0x190 [ 732.350883] __alloc_pages_nodemask+0xa80/0xde0 [ 732.355554] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 732.360582] ? __page_cache_alloc+0x191/0x5c0 [ 732.365092] ? xa_load+0x2e1/0x460 [ 732.368627] ? xa_clear_mark+0x40/0x40 [ 732.372517] ? zap_class+0x640/0x640 [ 732.376243] ? zap_class+0x640/0x640 [ 732.379951] ? zap_class+0x640/0x640 [ 732.383662] ? __do_page_cache_readahead+0x663/0x810 [ 732.388766] ? find_held_lock+0x36/0x1c0 [ 732.392826] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 732.398449] alloc_pages_current+0x173/0x350 [ 732.402857] __page_cache_alloc+0x38c/0x5c0 [ 732.407173] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 732.412093] ? kasan_check_read+0x11/0x20 [ 732.416230] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 732.421720] ? generic_perform_write+0x6a0/0x6a0 [ 732.426466] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.431995] ? check_preemption_disabled+0x48/0x280 [ 732.437032] filemap_fault+0x1595/0x25f0 [ 732.441114] ? __lock_page_or_retry+0xa00/0xa00 [ 732.445778] ? mark_held_locks+0x130/0x130 [ 732.450012] ? filemap_map_pages+0xd6b/0x1a20 [ 732.454503] ? lock_downgrade+0x900/0x900 [ 732.458649] ? check_preemption_disabled+0x48/0x280 [ 732.463746] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 732.468676] ? kasan_check_read+0x11/0x20 [ 732.472833] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 732.478101] ? rcu_softirq_qs+0x20/0x20 [ 732.482095] ? filemap_map_pages+0xd92/0x1a20 [ 732.486619] ? find_get_entries_tag+0x1400/0x1400 [ 732.491457] ? futex_wake+0x760/0x760 [ 732.495264] ? lock_acquire+0x1ed/0x520 [ 732.499231] ? ext4_filemap_fault+0x7a/0xad [ 732.503577] ? lock_release+0xa00/0xa00 [ 732.507575] ? perf_trace_sched_process_exec+0x860/0x860 [ 732.513024] ? print_usage_bug+0xc0/0xc0 [ 732.517082] ? print_usage_bug+0xc0/0xc0 [ 732.521383] ? down_read+0x8d/0x120 [ 732.525003] ? ext4_filemap_fault+0x7a/0xad [ 732.529320] ? __down_interruptible+0x700/0x700 [ 732.533990] ext4_filemap_fault+0x82/0xad [ 732.538131] __do_fault+0x100/0x6b0 [ 732.541751] ? pmd_devmap_trans_unstable+0x220/0x220 [ 732.546846] ? mark_held_locks+0x130/0x130 [ 732.551087] ? mark_held_locks+0x130/0x130 [ 732.555335] ? __might_fault+0x12b/0x1e0 [ 732.559391] ? lock_downgrade+0x900/0x900 [ 732.563540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.569079] __handle_mm_fault+0x3ea0/0x5be0 [ 732.573588] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 732.578435] ? kasan_check_read+0x11/0x20 [ 732.582598] ? _copy_to_user+0xc8/0x110 [ 732.586579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.592219] ? zap_class+0x640/0x640 [ 732.595924] ? zap_class+0x640/0x640 [ 732.599642] ? find_held_lock+0x36/0x1c0 [ 732.603705] ? handle_mm_fault+0x42a/0xc70 [ 732.607934] ? lock_downgrade+0x900/0x900 [ 732.612077] ? check_preemption_disabled+0x48/0x280 [ 732.617087] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 732.622259] ? kasan_check_read+0x11/0x20 [ 732.626402] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 732.631676] ? rcu_softirq_qs+0x20/0x20 [ 732.635645] ? trace_hardirqs_off_caller+0x310/0x310 [ 732.640743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.646276] ? check_preemption_disabled+0x48/0x280 [ 732.651291] handle_mm_fault+0x54f/0xc70 [ 732.655353] ? __handle_mm_fault+0x5be0/0x5be0 [ 732.659934] ? find_vma+0x34/0x190 [ 732.663727] __do_page_fault+0x5e8/0xe60 [ 732.667784] ? trace_hardirqs_off+0xb8/0x310 [ 732.672196] do_page_fault+0xf2/0x7e0 [ 732.675993] ? vmalloc_sync_all+0x30/0x30 [ 732.680139] ? error_entry+0x70/0xd0 [ 732.683850] ? trace_hardirqs_off_caller+0xbb/0x310 [ 732.688860] ? trace_hardirqs_on_caller+0xc0/0x310 [ 732.693786] ? syscall_return_slowpath+0x5e0/0x5e0 [ 732.698713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 732.703547] ? trace_hardirqs_on_caller+0x310/0x310 [ 732.708570] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 732.714022] ? prepare_exit_to_usermode+0x291/0x3b0 [ 732.719032] ? page_fault+0x8/0x30 [ 732.722798] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 732.727641] ? page_fault+0x8/0x30 [ 732.731178] page_fault+0x1e/0x30 [ 732.734626] RIP: 0033:0x407e06 [ 732.737821] Code: Bad RIP value. [ 732.741173] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 732.746647] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 732.753911] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 732.761172] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 732.768427] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 732.775687] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 732.782972] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 732.783046] aoe: skb alloc failure [ 732.789908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 732.789925] Workqueue: events_power_efficient neigh_periodic_work [ 732.794133] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 732.803420] Call Trace: [ 732.809647] syz-fuzzer cpuset=/ mems_allowed=0 [ 732.820325] dump_stack+0x244/0x39d [ 732.831079] ? dump_stack_print_info.cold.1+0x20/0x20 [ 732.836282] warn_alloc.cold.116+0xb7/0x1bd [ 732.840603] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 732.845449] ? lock_downgrade+0x900/0x900 [ 732.849618] ? trace_hardirqs_off+0xb8/0x310 [ 732.854028] ? trace_hardirqs_off+0xb8/0x310 [ 732.858457] __alloc_pages_slowpath+0x26e8/0x2e10 [ 732.863326] ? warn_alloc+0x120/0x120 [ 732.867131] ? warn_alloc+0x120/0x120 [ 732.870927] ? check_preemption_disabled+0x48/0x280 [ 732.876045] ? warn_alloc+0x120/0x120 [ 732.879841] ? zap_class+0x640/0x640 [ 732.883549] ? print_usage_bug+0xc0/0xc0 [ 732.887619] ? print_usage_bug+0xc0/0xc0 [ 732.891674] ? __lock_acquire+0x62f/0x4c20 [ 732.895917] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.901449] ? should_fail+0x22d/0xd01 [ 732.905352] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 732.910453] ? __lock_acquire+0x62f/0x4c20 [ 732.914776] ? __lock_acquire+0x62f/0x4c20 [ 732.919007] ? should_fail+0x22d/0xd01 [ 732.923432] ? mark_held_locks+0x130/0x130 [ 732.927685] ? mark_held_locks+0x130/0x130 [ 732.931919] ? pick_next_task_fair+0xa05/0x1b30 [ 732.936587] ? rcu_read_lock_sched_held+0x14f/0x180 [ 732.941599] ? zap_class+0x640/0x640 [ 732.945315] ? zap_class+0x640/0x640 [ 732.949030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.954578] ? check_preemption_disabled+0x48/0x280 [ 732.959598] ? __lock_is_held+0xb5/0x140 [ 732.963654] __alloc_pages_nodemask+0xa80/0xde0 [ 732.968332] ? zap_class+0x640/0x640 [ 732.972045] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 732.977180] ? find_held_lock+0x36/0x1c0 [ 732.981256] ? ____cache_alloc_node+0x1c7/0x1e0 [ 732.985920] ? lock_downgrade+0x900/0x900 [ 732.990071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.995611] cache_grow_begin+0xa5/0x8c0 [ 732.999672] ? do_raw_spin_unlock+0xa7/0x330 [ 733.004085] fallback_alloc+0x204/0x2e0 [ 733.008057] ____cache_alloc_node+0x1c7/0x1e0 [ 733.012561] kmem_cache_alloc_node+0xe3/0x730 [ 733.017050] ? zap_class+0x640/0x640 [ 733.021258] ? __sched_text_start+0x8/0x8 [ 733.025412] __alloc_skb+0x119/0x770 [ 733.029116] ? zap_class+0x640/0x640 [ 733.032824] ? netdev_alloc_frag+0x1f0/0x1f0 [ 733.037235] ? neigh_periodic_work+0x8ca/0xc60 [ 733.041823] ? lock_downgrade+0x900/0x900 [ 733.045972] ? kasan_check_read+0x11/0x20 [ 733.050111] ? do_raw_write_lock+0x14f/0x310 [ 733.054523] __neigh_notify+0x8c/0x160 [ 733.058427] neigh_cleanup_and_release+0x7b/0xe0 [ 733.063176] neigh_periodic_work+0x8d2/0xc60 [ 733.067594] ? neigh_table_clear+0x390/0x390 [ 733.072005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.077538] ? check_preemption_disabled+0x48/0x280 [ 733.082577] ? __lock_is_held+0xb5/0x140 [ 733.086655] process_one_work+0xc90/0x1c40 [ 733.090884] ? mark_held_locks+0x130/0x130 [ 733.095126] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 733.099789] ? __switch_to_asm+0x40/0x70 [ 733.103863] ? __switch_to_asm+0x40/0x70 [ 733.107930] ? __switch_to_asm+0x34/0x70 [ 733.111983] ? __switch_to_asm+0x40/0x70 [ 733.116034] ? __switch_to_asm+0x34/0x70 [ 733.120554] ? __switch_to_asm+0x40/0x70 [ 733.124612] ? __switch_to_asm+0x34/0x70 [ 733.128665] ? __switch_to_asm+0x40/0x70 [ 733.132732] ? __schedule+0x8d7/0x21d0 [ 733.136619] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 733.141212] ? zap_class+0x640/0x640 [ 733.144928] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 733.149683] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 733.154275] ? lock_acquire+0x1ed/0x520 [ 733.158244] ? worker_thread+0x3e0/0x1390 [ 733.162394] ? kasan_check_read+0x11/0x20 [ 733.166536] ? do_raw_spin_lock+0x14f/0x350 [ 733.170874] ? kasan_check_read+0x11/0x20 [ 733.175020] ? rwlock_bug.part.2+0x90/0x90 [ 733.179250] ? trace_hardirqs_on+0x310/0x310 [ 733.183674] worker_thread+0x17f/0x1390 [ 733.187648] ? __switch_to_asm+0x34/0x70 [ 733.191715] ? process_one_work+0x1c40/0x1c40 [ 733.196220] ? __sched_text_start+0x8/0x8 [ 733.200402] ? __kthread_parkme+0xce/0x1a0 [ 733.204641] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 733.209738] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 733.214837] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 733.219420] ? trace_hardirqs_on+0xbd/0x310 [ 733.224209] ? kasan_check_read+0x11/0x20 [ 733.228355] ? __kthread_parkme+0xce/0x1a0 [ 733.232589] ? trace_hardirqs_off_caller+0x310/0x310 [ 733.237696] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 733.242797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 733.248349] ? __kthread_parkme+0xfb/0x1a0 [ 733.252586] ? process_one_work+0x1c40/0x1c40 [ 733.257083] kthread+0x35a/0x440 [ 733.260446] ? kthread_stop+0x900/0x900 [ 733.264427] ret_from_fork+0x3a/0x50 [ 733.268149] warn_alloc_show_mem: 1 callbacks suppressed [ 733.268159] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 733.268161] Mem-Info: [ 733.268193] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 733.268193] active_file:32 inactive_file:0 isolated_file:0 [ 733.268193] unevictable:0 dirty:0 writeback:0 unstable:0 [ 733.268193] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 733.268193] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 733.268193] free:13730 free_pcp:227 free_cma:0 [ 733.273525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 733.280550] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 733.282937] Call Trace: [ 733.315879] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 733.325445] [ 733.353261] lowmem_reserve[]: 0 2818 6321 6321 [ 733.355844] dump_stack+0x244/0x39d [ 733.381921] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 733.384065] ? dump_stack_print_info.cold.1+0x20/0x20 [ 733.388619] lowmem_reserve[]: 0 0 3503 3503 [ 733.392238] warn_alloc.cold.116+0xb7/0x1bd [ 733.419699] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 733.425137] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 733.429424] lowmem_reserve[]: 0 0 0 0 [ 733.433738] ? lock_downgrade+0x900/0x900 [ 733.462764] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 733.467602] ? trace_hardirqs_off+0xb8/0x310 [ 733.471370] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 733.475514] ? trace_hardirqs_off+0xb8/0x310 [ 733.489181] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 733.493587] __alloc_pages_slowpath+0x26e8/0x2e10 [ 733.508301] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 733.512710] ? warn_alloc+0x120/0x120 [ 733.527308] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 733.532132] ? warn_alloc+0x120/0x120 [ 733.540935] 6658 total pagecache pages [ 733.544824] ? warn_alloc+0x120/0x120 [ 733.553506] 0 pages in swap cache [ 733.557283] ? print_usage_bug+0xc0/0xc0 [ 733.561146] Swap cache stats: add 0, delete 0, find 0/0 [ 733.564926] ? print_usage_bug+0xc0/0xc0 [ 733.568348] Free swap = 0kB [ 733.572396] ? ktime_get+0x2c1/0x400 [ 733.577746] Total swap = 0kB [ 733.581794] ? check_preemption_disabled+0x48/0x280 [ 733.584784] 1965979 pages RAM [ 733.588479] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 733.591473] 0 pages HighMem/MovableOnly [ 733.596474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 733.599555] 342853 pages reserved [ 733.604039] ? should_fail+0x22d/0xd01 [ 733.607984] 0 pages cma reserved [ 733.613505] ? kasan_check_read+0x11/0x20 [ 733.628743] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 733.633851] ? __lock_acquire+0x62f/0x4c20 [ 733.638090] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 733.643188] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 733.643197] syz-executor0 cpuset=syz0 mems_allowed=0 [ 733.653667] ? should_fail+0x22d/0xd01 [ 733.663093] ? print_usage_bug+0xc0/0xc0 [ 733.667156] ? mark_held_locks+0x130/0x130 [ 733.671384] ? mark_held_locks+0x130/0x130 [ 733.675626] ? check_preemption_disabled+0x48/0x280 [ 733.680648] ? zap_class+0x640/0x640 [ 733.684357] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 733.689106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.694638] ? check_preemption_disabled+0x48/0x280 [ 733.699655] ? __lock_is_held+0xb5/0x140 [ 733.703709] __alloc_pages_nodemask+0xa80/0xde0 [ 733.708368] ? zap_class+0x640/0x640 [ 733.712077] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 733.717093] ? find_held_lock+0x36/0x1c0 [ 733.721463] ? ____cache_alloc_node+0x1c7/0x1e0 [ 733.726124] ? lock_downgrade+0x900/0x900 [ 733.730268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.735799] cache_grow_begin+0xa5/0x8c0 [ 733.739852] ? do_raw_spin_unlock+0xa7/0x330 [ 733.744254] fallback_alloc+0x204/0x2e0 [ 733.748234] ____cache_alloc_node+0x1c7/0x1e0 [ 733.752722] kmem_cache_alloc_node+0xe3/0x730 [ 733.757206] ? lockdep_hardirqs_on+0x296/0x5b0 [ 733.761790] __alloc_skb+0x119/0x770 [ 733.765497] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 733.770861] ? netdev_alloc_frag+0x1f0/0x1f0 [ 733.775267] ? vprintk_default+0x28/0x30 [ 733.779321] ? vprintk_func+0x85/0x181 [ 733.783198] ? printk+0xa7/0xcf [ 733.786588] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 733.791349] new_skb+0x26/0x1c0 [ 733.794623] aoecmd_cfg+0x279/0x7f0 [ 733.798254] ? find_held_lock+0x36/0x1c0 [ 733.802307] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 733.806631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.812173] ? __lock_is_held+0xb5/0x140 [ 733.816236] discover_timer+0x50/0x60 [ 733.820333] call_timer_fn+0x272/0x920 [ 733.824214] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 733.829232] ? process_timeout+0x40/0x40 [ 733.833298] ? mark_held_locks+0xc7/0x130 [ 733.837440] ? _raw_spin_unlock_irq+0x27/0x80 [ 733.841924] ? _raw_spin_unlock_irq+0x27/0x80 [ 733.846416] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 733.851250] ? lockdep_hardirqs_on+0x296/0x5b0 [ 733.855829] ? trace_hardirqs_on+0xbd/0x310 [ 733.860144] ? kasan_check_read+0x11/0x20 [ 733.864281] ? __run_timers+0x7da/0xc70 [ 733.868280] ? trace_hardirqs_off_caller+0x310/0x310 [ 733.873393] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 733.878224] __run_timers+0x7e5/0xc70 [ 733.882031] ? timer_fixup_init+0x70/0x70 [ 733.886173] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 733.891309] ? zap_class+0x640/0x640 [ 733.895020] ? print_usage_bug+0xc0/0xc0 [ 733.899078] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 733.904285] ? find_held_lock+0x36/0x1c0 [ 733.908338] ? zap_class+0x640/0x640 [ 733.912049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.917579] ? check_preemption_disabled+0x48/0x280 [ 733.922939] ? __lock_is_held+0xb5/0x140 [ 733.926994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.932538] ? check_preemption_disabled+0x48/0x280 [ 733.937636] run_timer_softirq+0x52/0xb0 [ 733.941713] ? rcu_read_lock_sched_held+0x14f/0x180 [ 733.946725] __do_softirq+0x308/0xb7e [ 733.950530] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 733.955036] ? lock_downgrade+0x900/0x900 [ 733.959183] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 733.964286] ? pvclock_read_flags+0x160/0x160 [ 733.968773] ? lapic_next_event+0x5a/0x90 [ 733.972926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.978478] ? kvm_clock_read+0x18/0x30 [ 733.982451] ? kvm_sched_clock_read+0x9/0x20 [ 733.986858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.992391] ? check_preemption_disabled+0x48/0x280 [ 733.997522] irq_exit+0x17f/0x1c0 [ 734.000977] smp_apic_timer_interrupt+0x1cb/0x760 [ 734.005814] ? smp_reschedule_interrupt+0x109/0x650 [ 734.010823] ? smp_call_function_single_interrupt+0x650/0x650 [ 734.016703] ? interrupt_entry+0xb5/0xc0 [ 734.021025] ? trace_hardirqs_off_caller+0xbb/0x310 [ 734.026032] ? trace_hardirqs_off_caller+0xbb/0x310 [ 734.031060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 734.035901] ? trace_hardirqs_on_caller+0x310/0x310 [ 734.040913] ? trace_hardirqs_on_caller+0x310/0x310 [ 734.045922] ? task_prio+0x50/0x50 [ 734.049458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.054991] ? check_preemption_disabled+0x48/0x280 [ 734.060004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 734.064847] apic_timer_interrupt+0xf/0x20 [ 734.069069] [ 734.071315] RIP: 0010:console_unlock+0x102f/0x1190 [ 734.076233] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 734.095124] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 734.102828] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 734.110187] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 734.117449] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 734.124965] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 734.132225] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 734.139595] ? netconsole_netdev_event+0x280/0x280 [ 734.144550] ? console_unlock+0x1026/0x1190 [ 734.148881] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 734.153546] ? vprintk_emit+0x846/0x990 [ 734.157525] ? lock_release+0xa00/0xa00 [ 734.161497] ? trace_hardirqs_on+0x70/0x310 [ 734.165823] ? vprintk_default+0x28/0x30 [ 734.169880] ? trace_hardirqs_off_caller+0x310/0x310 [ 734.174979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.180523] vprintk_emit+0x391/0x990 [ 734.184327] ? wake_up_klogd+0x180/0x180 [ 734.188386] ? find_held_lock+0x11/0x1c0 [ 734.192449] ? mark_held_locks+0xc7/0x130 [ 734.196593] ? _raw_spin_unlock_irq+0x27/0x80 [ 734.201080] ? _raw_spin_unlock_irq+0x27/0x80 [ 734.205572] vprintk_default+0x28/0x30 [ 734.209454] vprintk_func+0x7e/0x181 [ 734.213164] printk+0xa7/0xcf [ 734.216265] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 734.221256] ? _raw_spin_unlock_irq+0x60/0x80 [ 734.225750] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 734.231037] dump_header+0x7cc/0xf72 [ 734.234749] ? pagefault_out_of_memory+0x197/0x197 [ 734.239674] ? __lock_acquire+0x62f/0x4c20 [ 734.243903] ? print_usage_bug+0xc0/0xc0 [ 734.247964] ? zap_class+0x640/0x640 [ 734.251668] ? zap_class+0x640/0x640 [ 734.255376] ? print_usage_bug+0xc0/0xc0 [ 734.259432] ? print_usage_bug+0xc0/0xc0 [ 734.263539] ? find_held_lock+0x36/0x1c0 [ 734.267625] ? mark_held_locks+0xc7/0x130 [ 734.271777] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 734.276872] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 734.281967] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 734.286547] ? trace_hardirqs_on+0xbd/0x310 [ 734.290862] ? kasan_check_read+0x11/0x20 [ 734.295007] ? ___ratelimit+0x3b4/0x672 [ 734.298972] ? trace_hardirqs_off_caller+0x310/0x310 [ 734.304066] ? trace_hardirqs_on+0x310/0x310 [ 734.308466] ? lock_downgrade+0x900/0x900 [ 734.312612] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 734.317726] ? ___ratelimit+0x3b9/0x672 [ 734.321946] ? idr_get_free+0xf70/0xf70 [ 734.325915] ? kasan_check_read+0x11/0x20 [ 734.330056] ? do_raw_spin_unlock+0xa7/0x330 [ 734.334466] oom_kill_process.cold.27+0x10/0x903 [ 734.339218] ? zap_class+0x640/0x640 [ 734.342922] ? _raw_spin_unlock+0x2c/0x50 [ 734.347064] ? oom_badness+0xe6/0xaa0 [ 734.350865] ? oom_evaluate_task+0x540/0x540 [ 734.355269] ? find_held_lock+0x36/0x1c0 [ 734.359332] ? out_of_memory+0x974/0x1430 [ 734.363473] ? lock_downgrade+0x900/0x900 [ 734.367625] ? check_preemption_disabled+0x48/0x280 [ 734.372637] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 734.377575] ? kasan_check_read+0x11/0x20 [ 734.381717] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 734.386988] ? rcu_softirq_qs+0x20/0x20 [ 734.390960] ? kasan_check_write+0x14/0x20 [ 734.395190] ? oom_evaluate_task+0x302/0x540 [ 734.399597] out_of_memory+0xa84/0x1430 [ 734.403577] ? oom_killer_disable+0x3a0/0x3a0 [ 734.408064] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 734.412991] ? __ww_mutex_check_waiters+0x160/0x160 [ 734.418013] __alloc_pages_slowpath+0x2354/0x2e10 [ 734.423086] ? warn_alloc+0x120/0x120 [ 734.426890] ? mark_held_locks+0x130/0x130 [ 734.431125] ? find_get_entry+0xaae/0x1120 [ 734.435363] ? filemap_map_pages+0x1a20/0x1a20 [ 734.439944] ? zap_class+0x640/0x640 [ 734.443661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.449193] ? check_preemption_disabled+0x48/0x280 [ 734.454200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 734.459730] ? should_fail+0x22d/0xd01 [ 734.463612] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 734.468709] ? zap_class+0x640/0x640 [ 734.472439] ? __lock_is_held+0xb5/0x140 [ 734.476512] ? mark_held_locks+0x130/0x130 [ 734.480767] ? lock_release+0xa00/0xa00 [ 734.484736] ? perf_trace_sched_process_exec+0x860/0x860 [ 734.490191] ? xa_load+0x2ba/0x460 [ 734.493725] ? lock_downgrade+0x900/0x900 [ 734.497875] ? __might_sleep+0x95/0x190 [ 734.501847] __alloc_pages_nodemask+0xa80/0xde0 [ 734.506523] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 734.511552] ? __page_cache_alloc+0x191/0x5c0 [ 734.516039] ? xa_load+0x2e1/0x460 [ 734.519575] ? xa_clear_mark+0x40/0x40 [ 734.523791] ? zap_class+0x640/0x640 [ 734.527523] ? zap_class+0x640/0x640 [ 734.531232] ? zap_class+0x640/0x640 [ 734.534967] ? __do_page_cache_readahead+0x663/0x810 [ 734.540067] ? find_held_lock+0x36/0x1c0 [ 734.544130] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 734.549667] alloc_pages_current+0x173/0x350 [ 734.554090] __page_cache_alloc+0x38c/0x5c0 [ 734.558406] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 734.563328] ? kasan_check_read+0x11/0x20 [ 734.567471] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 734.572748] ? generic_perform_write+0x6a0/0x6a0 [ 734.577508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 734.583046] ? check_preemption_disabled+0x48/0x280 [ 734.588062] filemap_fault+0x1595/0x25f0 [ 734.592131] ? __lock_page_or_retry+0xa00/0xa00 [ 734.596800] ? mark_held_locks+0x130/0x130 [ 734.601050] ? filemap_map_pages+0xd6b/0x1a20 [ 734.605550] ? lock_downgrade+0x900/0x900 [ 734.609688] ? check_preemption_disabled+0x48/0x280 [ 734.614714] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 734.619638] ? kasan_check_read+0x11/0x20 [ 734.624033] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 734.629312] ? rcu_softirq_qs+0x20/0x20 [ 734.633292] ? filemap_map_pages+0xd92/0x1a20 [ 734.637791] ? find_get_entries_tag+0x1400/0x1400 [ 734.642633] ? futex_wake+0x760/0x760 [ 734.646440] ? lock_acquire+0x1ed/0x520 [ 734.650410] ? ext4_filemap_fault+0x7a/0xad [ 734.654748] ? lock_release+0xa00/0xa00 [ 734.658713] ? perf_trace_sched_process_exec+0x860/0x860 [ 734.664662] ? print_usage_bug+0xc0/0xc0 [ 734.668722] ? print_usage_bug+0xc0/0xc0 [ 734.672789] ? down_read+0x8d/0x120 [ 734.676408] ? ext4_filemap_fault+0x7a/0xad [ 734.680723] ? __down_interruptible+0x700/0x700 [ 734.685392] ext4_filemap_fault+0x82/0xad [ 734.689544] __do_fault+0x100/0x6b0 [ 734.693168] ? pmd_devmap_trans_unstable+0x220/0x220 [ 734.698264] ? mark_held_locks+0x130/0x130 [ 734.702500] ? mark_held_locks+0x130/0x130 [ 734.706733] ? __might_fault+0x12b/0x1e0 [ 734.710786] ? lock_downgrade+0x900/0x900 [ 734.714934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 734.720723] __handle_mm_fault+0x3ea0/0x5be0 [ 734.725129] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 734.729965] ? kasan_check_read+0x11/0x20 [ 734.734108] ? _copy_to_user+0xc8/0x110 [ 734.738076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 734.743628] ? zap_class+0x640/0x640 [ 734.747334] ? zap_class+0x640/0x640 [ 734.751043] ? find_held_lock+0x36/0x1c0 [ 734.755105] ? handle_mm_fault+0x42a/0xc70 [ 734.759342] ? lock_downgrade+0x900/0x900 [ 734.763481] ? check_preemption_disabled+0x48/0x280 [ 734.768511] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 734.773431] ? kasan_check_read+0x11/0x20 [ 734.777599] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 734.782869] ? rcu_softirq_qs+0x20/0x20 [ 734.786837] ? trace_hardirqs_off_caller+0x310/0x310 [ 734.792040] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 734.797585] ? check_preemption_disabled+0x48/0x280 [ 734.802616] handle_mm_fault+0x54f/0xc70 [ 734.806675] ? __handle_mm_fault+0x5be0/0x5be0 [ 734.811255] ? find_vma+0x34/0x190 [ 734.814804] __do_page_fault+0x5e8/0xe60 [ 734.818859] ? trace_hardirqs_off+0xb8/0x310 [ 734.823536] do_page_fault+0xf2/0x7e0 [ 734.827341] ? vmalloc_sync_all+0x30/0x30 [ 734.832089] ? error_entry+0x70/0xd0 [ 734.835798] ? trace_hardirqs_off_caller+0xbb/0x310 [ 734.840918] ? trace_hardirqs_on_caller+0xc0/0x310 [ 734.845849] ? syscall_return_slowpath+0x5e0/0x5e0 [ 734.850771] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 734.855613] ? trace_hardirqs_on_caller+0x310/0x310 [ 734.860621] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 734.866070] ? prepare_exit_to_usermode+0x291/0x3b0 [ 734.871084] ? page_fault+0x8/0x30 [ 734.874622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 734.879460] ? page_fault+0x8/0x30 [ 734.883001] page_fault+0x1e/0x30 [ 734.886447] RIP: 0033:0x407e06 [ 734.889644] Code: Bad RIP value. [ 734.893030] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 734.898400] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 734.905662] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 734.912927] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 734.920454] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 734.927720] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 734.935013] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 734.935072] aoe: skb alloc failure [ 734.942287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 734.942292] Call Trace: [ 734.942313] dump_stack+0x244/0x39d [ 734.942334] ? dump_stack_print_info.cold.1+0x20/0x20 [ 734.945883] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 734.955192] warn_alloc.cold.116+0xb7/0x1bd [ 734.957741] syz-fuzzer cpuset=/ mems_allowed=0 [ 734.961356] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 734.990413] ? lock_downgrade+0x900/0x900 [ 734.994564] ? trace_hardirqs_off+0xb8/0x310 [ 734.998987] ? trace_hardirqs_off+0xb8/0x310 [ 735.003408] __alloc_pages_slowpath+0x26e8/0x2e10 [ 735.008278] ? warn_alloc+0x120/0x120 [ 735.012076] ? zap_class+0x640/0x640 [ 735.015807] ? warn_alloc+0x120/0x120 [ 735.020048] ? warn_alloc+0x120/0x120 [ 735.023847] ? print_usage_bug+0xc0/0xc0 [ 735.027907] ? print_usage_bug+0xc0/0xc0 [ 735.031965] ? cpuacct_charge+0x265/0x440 [ 735.036128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 735.041656] ? should_fail+0x22d/0xd01 [ 735.045540] ? find_held_lock+0x36/0x1c0 [ 735.049599] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 735.054721] ? __lock_acquire+0x62f/0x4c20 [ 735.058957] ? should_fail+0x22d/0xd01 [ 735.062842] ? __update_load_avg_blocked_se+0x690/0x690 [ 735.068206] ? mark_held_locks+0x130/0x130 [ 735.072438] ? mark_held_locks+0x130/0x130 [ 735.076672] ? __lock_acquire+0x62f/0x4c20 [ 735.080898] ? update_load_avg+0x387/0x2470 [ 735.085217] ? zap_class+0x640/0x640 [ 735.088934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.094465] ? check_preemption_disabled+0x48/0x280 [ 735.099500] ? __lock_is_held+0xb5/0x140 [ 735.103565] __alloc_pages_nodemask+0xa80/0xde0 [ 735.108227] ? zap_class+0x640/0x640 [ 735.111939] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 735.116957] ? find_held_lock+0x36/0x1c0 [ 735.121541] ? ____cache_alloc_node+0x1c7/0x1e0 [ 735.126210] ? lock_downgrade+0x900/0x900 [ 735.130364] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 735.135906] cache_grow_begin+0xa5/0x8c0 [ 735.139963] ? do_raw_spin_unlock+0xa7/0x330 [ 735.144377] fallback_alloc+0x204/0x2e0 [ 735.148353] ____cache_alloc_node+0x1c7/0x1e0 [ 735.152870] kmem_cache_alloc+0x1f8/0x730 [ 735.157141] skb_clone+0x1bb/0x500 [ 735.160679] ? finish_task_switch+0x2f4/0x910 [ 735.165173] ? skb_split+0x11e0/0x11e0 [ 735.169056] ? preempt_notifier_register+0x200/0x200 [ 735.174148] ? __switch_to_asm+0x34/0x70 [ 735.178204] ? __switch_to_asm+0x34/0x70 [ 735.182254] ? __switch_to_asm+0x40/0x70 [ 735.186306] ? __switch_to_asm+0x34/0x70 [ 735.190361] ? __switch_to_asm+0x40/0x70 [ 735.194412] ? __switch_to_asm+0x34/0x70 [ 735.198491] ? __switch_to_asm+0x40/0x70 [ 735.202551] ? __switch_to_asm+0x34/0x70 [ 735.206605] ? __switch_to_asm+0x34/0x70 [ 735.210656] ? __switch_to_asm+0x40/0x70 [ 735.214720] ? __switch_to_asm+0x34/0x70 [ 735.218796] bpf_clone_redirect+0xb9/0x490 [ 735.223519] ? __schedule+0x8d7/0x21d0 [ 735.227408] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 735.232424] ? __sched_text_start+0x8/0x8 [ 735.236588] ? retint_kernel+0x2d/0x2d [ 735.240488] ? find_held_lock+0x36/0x1c0 [ 735.244570] ? lock_acquire+0x1ed/0x520 [ 735.248542] ? bpf_test_run+0x3cb/0x780 [ 735.252516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.258164] ? check_preemption_disabled+0x48/0x280 [ 735.263182] ? kasan_check_read+0x11/0x20 [ 735.267342] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 735.272616] ? rcu_softirq_qs+0x20/0x20 [ 735.276587] ? preempt_schedule+0x4d/0x60 [ 735.280734] ? ___preempt_schedule+0x16/0x18 [ 735.285147] ? bpf_test_run+0x25d/0x780 [ 735.289138] ? netlink_diag_dump+0x2a0/0x2a0 [ 735.293546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 735.299081] ? bpf_test_init.isra.10+0x70/0x100 [ 735.303766] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 735.308530] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 735.313369] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 735.318901] ? fput+0x130/0x1a0 [ 735.322477] ? __bpf_prog_get+0x9b/0x290 [ 735.326551] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 735.331379] ? bpf_prog_test_run+0x130/0x1a0 [ 735.335780] ? __x64_sys_bpf+0x3db/0x520 [ 735.339833] ? bpf_prog_get+0x20/0x20 [ 735.343654] ? do_syscall_64+0x1b9/0x820 [ 735.347717] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 735.353101] ? syscall_return_slowpath+0x5e0/0x5e0 [ 735.358029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 735.362876] ? trace_hardirqs_on_caller+0x310/0x310 [ 735.367893] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 735.372912] ? prepare_exit_to_usermode+0x291/0x3b0 [ 735.377932] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 735.382784] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 735.388161] warn_alloc_show_mem: 1 callbacks suppressed [ 735.388171] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 735.388173] Mem-Info: [ 735.388218] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 735.388218] active_file:32 inactive_file:0 isolated_file:0 [ 735.388218] unevictable:0 dirty:0 writeback:0 unstable:0 [ 735.388218] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 735.388218] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 735.388218] free:13730 free_pcp:227 free_cma:0 [ 735.393546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 735.400571] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 735.402959] Call Trace: [ 735.436196] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 735.445546] [ 735.473371] lowmem_reserve[]: 0 2818 6321 6321 [ 735.475965] dump_stack+0x244/0x39d [ 735.502047] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 735.504198] ? dump_stack_print_info.cold.1+0x20/0x20 [ 735.508755] lowmem_reserve[]: 0 0 3503 3503 [ 735.512387] warn_alloc.cold.116+0xb7/0x1bd [ 735.541021] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 735.546215] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 735.550512] lowmem_reserve[]: 0 0 0 0 [ 735.554836] ? lock_downgrade+0x900/0x900 [ 735.583910] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 735.588762] ? trace_hardirqs_off+0xb8/0x310 [ 735.592535] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 735.596681] ? trace_hardirqs_off+0xb8/0x310 [ 735.610177] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 735.614588] __alloc_pages_slowpath+0x26e8/0x2e10 [ 735.629605] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 735.634027] ? warn_alloc+0x120/0x120 [ 735.648128] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 735.652964] ? warn_alloc+0x120/0x120 [ 735.661779] 6658 total pagecache pages [ 735.665578] ? __lock_acquire+0x62f/0x4c20 [ 735.674133] 0 pages in swap cache [ 735.677926] ? warn_alloc+0x120/0x120 [ 735.681794] Swap cache stats: add 0, delete 0, find 0/0 [ 735.686029] ? print_usage_bug+0xc0/0xc0 [ 735.689473] Free swap = 0kB [ 735.693268] ? print_usage_bug+0xc0/0xc0 [ 735.698607] Total swap = 0kB [ 735.702664] ? mark_held_locks+0x130/0x130 [ 735.705661] 1965979 pages RAM [ 735.709719] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 735.712716] 0 pages HighMem/MovableOnly [ 735.716943] ? should_fail+0x22d/0xd01 [ 735.720790] 342853 pages reserved [ 735.726318] ? zap_class+0x640/0x640 [ 735.730273] 0 pages cma reserved [ 735.734160] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 735.749758] ? __lock_acquire+0x62f/0x4c20 [ 735.754010] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 735.759126] ? should_fail+0x22d/0xd01 [ 735.760128] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 735.763030] ? mark_held_locks+0x130/0x130 [ 735.773321] kworker/1:0 cpuset=/ mems_allowed=0 [ 735.777556] ? mark_held_locks+0x130/0x130 [ 735.786437] ? lock_downgrade+0x900/0x900 [ 735.790613] ? zap_class+0x640/0x640 [ 735.794328] ? zap_class+0x640/0x640 [ 735.798047] ? zap_class+0x640/0x640 [ 735.801764] ? do_raw_spin_unlock+0xa7/0x330 [ 735.806175] ? trace_hardirqs_on+0x310/0x310 [ 735.810590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.816128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.821947] ? check_preemption_disabled+0x48/0x280 [ 735.826978] ? __lock_is_held+0xb5/0x140 [ 735.831298] __alloc_pages_nodemask+0xa80/0xde0 [ 735.835973] ? zap_class+0x640/0x640 [ 735.839693] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 735.844725] ? find_held_lock+0x36/0x1c0 [ 735.848802] ? ____cache_alloc_node+0x1c7/0x1e0 [ 735.853491] ? lock_downgrade+0x900/0x900 [ 735.857650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.863197] cache_grow_begin+0xa5/0x8c0 [ 735.867259] ? do_raw_spin_unlock+0xa7/0x330 [ 735.871676] fallback_alloc+0x204/0x2e0 [ 735.875655] ____cache_alloc_node+0x1c7/0x1e0 [ 735.880159] kmem_cache_alloc_node+0xe3/0x730 [ 735.884660] ? lockdep_hardirqs_on+0x296/0x5b0 [ 735.889253] __alloc_skb+0x119/0x770 [ 735.892968] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 735.898339] ? netdev_alloc_frag+0x1f0/0x1f0 [ 735.902755] ? vprintk_default+0x28/0x30 [ 735.906822] ? vprintk_func+0x85/0x181 [ 735.910722] ? printk+0xa7/0xcf [ 735.914002] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 735.918773] new_skb+0x26/0x1c0 [ 735.922359] aoecmd_cfg+0x279/0x7f0 [ 735.925994] ? find_held_lock+0x36/0x1c0 [ 735.930057] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 735.934388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.939936] ? __lock_is_held+0xb5/0x140 [ 735.944012] discover_timer+0x50/0x60 [ 735.947813] call_timer_fn+0x272/0x920 [ 735.951703] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 735.956546] ? process_timeout+0x40/0x40 [ 735.960617] ? mark_held_locks+0xc7/0x130 [ 735.964768] ? _raw_spin_unlock_irq+0x27/0x80 [ 735.969264] ? _raw_spin_unlock_irq+0x27/0x80 [ 735.973760] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 735.978607] ? lockdep_hardirqs_on+0x296/0x5b0 [ 735.983189] ? trace_hardirqs_on+0xbd/0x310 [ 735.987512] ? kasan_check_read+0x11/0x20 [ 735.991659] ? __run_timers+0x7da/0xc70 [ 735.995638] ? trace_hardirqs_off_caller+0x310/0x310 [ 736.000754] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 736.005597] __run_timers+0x7e5/0xc70 [ 736.009405] ? timer_fixup_init+0x70/0x70 [ 736.013559] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 736.018578] ? zap_class+0x640/0x640 [ 736.022609] ? print_usage_bug+0xc0/0xc0 [ 736.026676] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 736.031872] ? find_held_lock+0x36/0x1c0 [ 736.035940] ? zap_class+0x640/0x640 [ 736.039668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.045212] ? check_preemption_disabled+0x48/0x280 [ 736.050242] ? __lock_is_held+0xb5/0x140 [ 736.054305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.059843] ? check_preemption_disabled+0x48/0x280 [ 736.064867] run_timer_softirq+0x52/0xb0 [ 736.068930] ? rcu_read_lock_sched_held+0x14f/0x180 [ 736.073948] __do_softirq+0x308/0xb7e [ 736.077753] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 736.082248] ? lock_downgrade+0x900/0x900 [ 736.086408] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 736.091522] ? pvclock_read_flags+0x160/0x160 [ 736.096021] ? lapic_next_event+0x5a/0x90 [ 736.100173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.105724] ? kvm_clock_read+0x18/0x30 [ 736.109699] ? kvm_sched_clock_read+0x9/0x20 [ 736.114118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.119660] ? check_preemption_disabled+0x48/0x280 [ 736.125186] irq_exit+0x17f/0x1c0 [ 736.128642] smp_apic_timer_interrupt+0x1cb/0x760 [ 736.133492] ? smp_reschedule_interrupt+0x109/0x650 [ 736.138516] ? smp_call_function_single_interrupt+0x650/0x650 [ 736.144401] ? interrupt_entry+0xb5/0xc0 [ 736.148483] ? trace_hardirqs_off_caller+0xbb/0x310 [ 736.153506] ? trace_hardirqs_off_caller+0xbb/0x310 [ 736.158525] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 736.163371] ? trace_hardirqs_on_caller+0x310/0x310 [ 736.168386] ? trace_hardirqs_on_caller+0x310/0x310 [ 736.173405] ? task_prio+0x50/0x50 [ 736.176947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.182488] ? check_preemption_disabled+0x48/0x280 [ 736.187515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 736.192367] apic_timer_interrupt+0xf/0x20 [ 736.196597] [ 736.198838] RIP: 0010:console_unlock+0x102f/0x1190 [ 736.203774] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 736.222948] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 736.230656] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 736.237926] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 736.245195] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 736.252475] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 736.259741] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 736.267021] ? netconsole_netdev_event+0x280/0x280 [ 736.271960] ? console_unlock+0x1026/0x1190 [ 736.276298] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 736.280965] ? vprintk_emit+0x846/0x990 [ 736.284946] ? lock_release+0xa00/0xa00 [ 736.288924] ? trace_hardirqs_on+0x70/0x310 [ 736.293249] ? vprintk_default+0x28/0x30 [ 736.297314] ? trace_hardirqs_off_caller+0x310/0x310 [ 736.302420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.307980] vprintk_emit+0x391/0x990 [ 736.311786] ? wake_up_klogd+0x180/0x180 [ 736.315856] ? find_held_lock+0x11/0x1c0 [ 736.320186] ? mark_held_locks+0xc7/0x130 [ 736.324338] ? _raw_spin_unlock_irq+0x27/0x80 [ 736.328836] ? _raw_spin_unlock_irq+0x27/0x80 [ 736.333337] vprintk_default+0x28/0x30 [ 736.337230] vprintk_func+0x7e/0x181 [ 736.340946] printk+0xa7/0xcf [ 736.344057] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 736.348818] ? _raw_spin_unlock_irq+0x60/0x80 [ 736.353328] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 736.358613] dump_header+0x7cc/0xf72 [ 736.362342] ? pagefault_out_of_memory+0x197/0x197 [ 736.367277] ? __lock_acquire+0x62f/0x4c20 [ 736.371517] ? print_usage_bug+0xc0/0xc0 [ 736.375590] ? zap_class+0x640/0x640 [ 736.379303] ? zap_class+0x640/0x640 [ 736.383019] ? print_usage_bug+0xc0/0xc0 [ 736.387087] ? print_usage_bug+0xc0/0xc0 [ 736.391160] ? find_held_lock+0x36/0x1c0 [ 736.395234] ? mark_held_locks+0xc7/0x130 [ 736.399382] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 736.404487] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 736.409594] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 736.414181] ? trace_hardirqs_on+0xbd/0x310 [ 736.418507] ? kasan_check_read+0x11/0x20 [ 736.422937] ? ___ratelimit+0x3b4/0x672 [ 736.426915] ? trace_hardirqs_off_caller+0x310/0x310 [ 736.432024] ? trace_hardirqs_on+0x310/0x310 [ 736.436445] ? lock_downgrade+0x900/0x900 [ 736.440603] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 736.445706] ? ___ratelimit+0x3b9/0x672 [ 736.449683] ? idr_get_free+0xf70/0xf70 [ 736.453661] ? kasan_check_read+0x11/0x20 [ 736.457813] ? do_raw_spin_unlock+0xa7/0x330 [ 736.462234] oom_kill_process.cold.27+0x10/0x903 [ 736.466991] ? zap_class+0x640/0x640 [ 736.470710] ? _raw_spin_unlock+0x2c/0x50 [ 736.474860] ? oom_badness+0xe6/0xaa0 [ 736.478668] ? oom_evaluate_task+0x540/0x540 [ 736.483085] ? find_held_lock+0x36/0x1c0 [ 736.487156] ? out_of_memory+0x974/0x1430 [ 736.491307] ? lock_downgrade+0x900/0x900 [ 736.495473] ? check_preemption_disabled+0x48/0x280 [ 736.500495] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 736.505426] ? kasan_check_read+0x11/0x20 [ 736.509594] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 736.514873] ? rcu_softirq_qs+0x20/0x20 [ 736.518852] ? kasan_check_write+0x14/0x20 [ 736.523594] ? oom_evaluate_task+0x302/0x540 [ 736.528008] out_of_memory+0xa84/0x1430 [ 736.531991] ? oom_killer_disable+0x3a0/0x3a0 [ 736.536493] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 736.541449] ? __ww_mutex_check_waiters+0x160/0x160 [ 736.546490] __alloc_pages_slowpath+0x2354/0x2e10 [ 736.551359] ? warn_alloc+0x120/0x120 [ 736.555163] ? mark_held_locks+0x130/0x130 [ 736.559406] ? find_get_entry+0xaae/0x1120 [ 736.563671] ? filemap_map_pages+0x1a20/0x1a20 [ 736.568258] ? zap_class+0x640/0x640 [ 736.571981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.577524] ? check_preemption_disabled+0x48/0x280 [ 736.582540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 736.588080] ? should_fail+0x22d/0xd01 [ 736.591974] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 736.597080] ? zap_class+0x640/0x640 [ 736.600821] ? __lock_is_held+0xb5/0x140 [ 736.604893] ? mark_held_locks+0x130/0x130 [ 736.609132] ? lock_release+0xa00/0xa00 [ 736.613107] ? perf_trace_sched_process_exec+0x860/0x860 [ 736.618562] ? xa_load+0x2ba/0x460 [ 736.622415] ? lock_downgrade+0x900/0x900 [ 736.626591] ? __might_sleep+0x95/0x190 [ 736.630573] __alloc_pages_nodemask+0xa80/0xde0 [ 736.635252] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 736.640271] ? __page_cache_alloc+0x191/0x5c0 [ 736.644766] ? xa_load+0x2e1/0x460 [ 736.648311] ? xa_clear_mark+0x40/0x40 [ 736.652206] ? zap_class+0x640/0x640 [ 736.655931] ? zap_class+0x640/0x640 [ 736.659643] ? zap_class+0x640/0x640 [ 736.663836] ? __do_page_cache_readahead+0x663/0x810 [ 736.668952] ? find_held_lock+0x36/0x1c0 [ 736.673022] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 736.678566] alloc_pages_current+0x173/0x350 [ 736.682980] __page_cache_alloc+0x38c/0x5c0 [ 736.687299] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 736.692225] ? kasan_check_read+0x11/0x20 [ 736.696377] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 736.701659] ? generic_perform_write+0x6a0/0x6a0 [ 736.706436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 736.711986] ? check_preemption_disabled+0x48/0x280 [ 736.717008] filemap_fault+0x1595/0x25f0 [ 736.721389] ? __lock_page_or_retry+0xa00/0xa00 [ 736.726076] ? mark_held_locks+0x130/0x130 [ 736.730322] ? filemap_map_pages+0xd6b/0x1a20 [ 736.734823] ? lock_downgrade+0x900/0x900 [ 736.739012] ? check_preemption_disabled+0x48/0x280 [ 736.744050] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 736.748979] ? kasan_check_read+0x11/0x20 [ 736.753128] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 736.758410] ? rcu_softirq_qs+0x20/0x20 [ 736.762416] ? filemap_map_pages+0xd92/0x1a20 [ 736.766941] ? find_get_entries_tag+0x1400/0x1400 [ 736.771792] ? futex_wake+0x760/0x760 [ 736.775605] ? lock_acquire+0x1ed/0x520 [ 736.779579] ? ext4_filemap_fault+0x7a/0xad [ 736.783910] ? lock_release+0xa00/0xa00 [ 736.787883] ? perf_trace_sched_process_exec+0x860/0x860 [ 736.793334] ? print_usage_bug+0xc0/0xc0 [ 736.797398] ? print_usage_bug+0xc0/0xc0 [ 736.801491] ? down_read+0x8d/0x120 [ 736.805119] ? ext4_filemap_fault+0x7a/0xad [ 736.809458] ? __down_interruptible+0x700/0x700 [ 736.814141] ext4_filemap_fault+0x82/0xad [ 736.818290] __do_fault+0x100/0x6b0 [ 736.822162] ? pmd_devmap_trans_unstable+0x220/0x220 [ 736.827269] ? mark_held_locks+0x130/0x130 [ 736.831509] ? mark_held_locks+0x130/0x130 [ 736.835745] ? __might_fault+0x12b/0x1e0 [ 736.839812] ? lock_downgrade+0x900/0x900 [ 736.843965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 736.849511] __handle_mm_fault+0x3ea0/0x5be0 [ 736.853930] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 736.858785] ? kasan_check_read+0x11/0x20 [ 736.862938] ? _copy_to_user+0xc8/0x110 [ 736.866922] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 736.872472] ? zap_class+0x640/0x640 [ 736.876190] ? zap_class+0x640/0x640 [ 736.879913] ? find_held_lock+0x36/0x1c0 [ 736.883987] ? handle_mm_fault+0x42a/0xc70 [ 736.888228] ? lock_downgrade+0x900/0x900 [ 736.892482] ? check_preemption_disabled+0x48/0x280 [ 736.897501] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 736.902444] ? kasan_check_read+0x11/0x20 [ 736.906597] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 736.911874] ? rcu_softirq_qs+0x20/0x20 [ 736.915854] ? trace_hardirqs_off_caller+0x310/0x310 [ 736.921322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 736.926863] ? check_preemption_disabled+0x48/0x280 [ 736.931887] handle_mm_fault+0x54f/0xc70 [ 736.935955] ? __handle_mm_fault+0x5be0/0x5be0 [ 736.940547] ? find_vma+0x34/0x190 [ 736.944092] __do_page_fault+0x5e8/0xe60 [ 736.948152] ? trace_hardirqs_off+0xb8/0x310 [ 736.952572] do_page_fault+0xf2/0x7e0 [ 736.956375] ? vmalloc_sync_all+0x30/0x30 [ 736.960529] ? error_entry+0x70/0xd0 [ 736.964251] ? trace_hardirqs_off_caller+0xbb/0x310 [ 736.969268] ? trace_hardirqs_on_caller+0xc0/0x310 [ 736.974198] ? syscall_return_slowpath+0x5e0/0x5e0 [ 736.979126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 736.983973] ? trace_hardirqs_on_caller+0x310/0x310 [ 736.988995] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 736.994464] ? prepare_exit_to_usermode+0x291/0x3b0 [ 736.999486] ? page_fault+0x8/0x30 [ 737.003032] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 737.007883] ? page_fault+0x8/0x30 [ 737.011441] page_fault+0x1e/0x30 [ 737.014899] RIP: 0033:0x407e06 [ 737.018110] Code: Bad RIP value. [ 737.021783] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 737.027144] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 737.034426] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 737.041704] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 737.048970] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 737.056241] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 737.063556] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 737.063616] aoe: skb alloc failure [ 737.070506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.070527] Workqueue: events_power_efficient neigh_periodic_work [ 737.074095] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 737.083384] Call Trace: [ 737.089599] syz-fuzzer cpuset=/ mems_allowed=0 [ 737.099820] dump_stack+0x244/0x39d [ 737.110579] ? dump_stack_print_info.cold.1+0x20/0x20 [ 737.115787] warn_alloc.cold.116+0xb7/0x1bd [ 737.120457] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 737.125307] ? lock_downgrade+0x900/0x900 [ 737.129469] ? trace_hardirqs_off+0xb8/0x310 [ 737.133887] ? trace_hardirqs_off+0xb8/0x310 [ 737.138304] __alloc_pages_slowpath+0x26e8/0x2e10 [ 737.143176] ? warn_alloc+0x120/0x120 [ 737.146988] ? warn_alloc+0x120/0x120 [ 737.150795] ? check_preemption_disabled+0x48/0x280 [ 737.155814] ? warn_alloc+0x120/0x120 [ 737.159619] ? zap_class+0x640/0x640 [ 737.163339] ? print_usage_bug+0xc0/0xc0 [ 737.167419] ? print_usage_bug+0xc0/0xc0 [ 737.171488] ? __lock_acquire+0x62f/0x4c20 [ 737.175735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 737.181276] ? should_fail+0x22d/0xd01 [ 737.185171] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 737.190275] ? __lock_acquire+0x62f/0x4c20 [ 737.194530] ? __lock_acquire+0x62f/0x4c20 [ 737.198765] ? should_fail+0x22d/0xd01 [ 737.202664] ? mark_held_locks+0x130/0x130 [ 737.206909] ? mark_held_locks+0x130/0x130 [ 737.211149] ? pick_next_task_fair+0xa05/0x1b30 [ 737.215820] ? rcu_read_lock_sched_held+0x14f/0x180 [ 737.221139] ? zap_class+0x640/0x640 [ 737.224856] ? zap_class+0x640/0x640 [ 737.228574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.234117] ? check_preemption_disabled+0x48/0x280 [ 737.239145] ? __lock_is_held+0xb5/0x140 [ 737.243213] __alloc_pages_nodemask+0xa80/0xde0 [ 737.247888] ? zap_class+0x640/0x640 [ 737.251614] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 737.256643] ? find_held_lock+0x36/0x1c0 [ 737.260717] ? ____cache_alloc_node+0x1c7/0x1e0 [ 737.265388] ? lock_downgrade+0x900/0x900 [ 737.269567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.275115] cache_grow_begin+0xa5/0x8c0 [ 737.279180] ? do_raw_spin_unlock+0xa7/0x330 [ 737.283601] fallback_alloc+0x204/0x2e0 [ 737.287587] ____cache_alloc_node+0x1c7/0x1e0 [ 737.292094] kmem_cache_alloc_node+0xe3/0x730 [ 737.296596] ? zap_class+0x640/0x640 [ 737.300313] ? __sched_text_start+0x8/0x8 [ 737.304473] __alloc_skb+0x119/0x770 [ 737.308185] ? zap_class+0x640/0x640 [ 737.311903] ? netdev_alloc_frag+0x1f0/0x1f0 [ 737.316425] ? neigh_periodic_work+0x8ca/0xc60 [ 737.321302] ? lock_downgrade+0x900/0x900 [ 737.325463] ? kasan_check_read+0x11/0x20 [ 737.329612] ? do_raw_write_lock+0x14f/0x310 [ 737.334034] __neigh_notify+0x8c/0x160 [ 737.337936] neigh_cleanup_and_release+0x7b/0xe0 [ 737.342695] neigh_periodic_work+0x8d2/0xc60 [ 737.347137] ? neigh_table_clear+0x390/0x390 [ 737.351551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.357090] ? check_preemption_disabled+0x48/0x280 [ 737.362116] ? __lock_is_held+0xb5/0x140 [ 737.366192] process_one_work+0xc90/0x1c40 [ 737.370444] ? mark_held_locks+0x130/0x130 [ 737.374693] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 737.379368] ? __switch_to_asm+0x40/0x70 [ 737.383457] ? __switch_to_asm+0x40/0x70 [ 737.387520] ? __switch_to_asm+0x34/0x70 [ 737.391583] ? __switch_to_asm+0x40/0x70 [ 737.395643] ? __switch_to_asm+0x34/0x70 [ 737.399714] ? __switch_to_asm+0x40/0x70 [ 737.403772] ? __switch_to_asm+0x34/0x70 [ 737.407830] ? __switch_to_asm+0x40/0x70 [ 737.411900] ? __schedule+0x8d7/0x21d0 [ 737.415795] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 737.421197] ? zap_class+0x640/0x640 [ 737.424924] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 737.429689] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 737.434981] ? lock_acquire+0x1ed/0x520 [ 737.438958] ? worker_thread+0x3e0/0x1390 [ 737.443120] ? kasan_check_read+0x11/0x20 [ 737.447268] ? do_raw_spin_lock+0x14f/0x350 [ 737.451609] ? kasan_check_read+0x11/0x20 [ 737.455759] ? rwlock_bug.part.2+0x90/0x90 [ 737.460002] ? trace_hardirqs_on+0x310/0x310 [ 737.464435] worker_thread+0x17f/0x1390 [ 737.468421] ? __switch_to_asm+0x34/0x70 [ 737.472497] ? process_one_work+0x1c40/0x1c40 [ 737.477012] ? __sched_text_start+0x8/0x8 [ 737.481183] ? __kthread_parkme+0xce/0x1a0 [ 737.485599] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 737.490803] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 737.495916] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 737.500504] ? trace_hardirqs_on+0xbd/0x310 [ 737.504826] ? kasan_check_read+0x11/0x20 [ 737.508979] ? __kthread_parkme+0xce/0x1a0 [ 737.513219] ? trace_hardirqs_off_caller+0x310/0x310 [ 737.518386] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 737.523807] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 737.529348] ? __kthread_parkme+0xfb/0x1a0 [ 737.533590] ? process_one_work+0x1c40/0x1c40 [ 737.538091] kthread+0x35a/0x440 [ 737.541465] ? kthread_stop+0x900/0x900 [ 737.545447] ret_from_fork+0x3a/0x50 [ 737.549180] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 737.549185] warn_alloc_show_mem: 1 callbacks suppressed [ 737.549192] Mem-Info: [ 737.556208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.561577] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 737.561577] active_file:32 inactive_file:0 isolated_file:0 [ 737.561577] unevictable:0 dirty:0 writeback:0 unstable:0 [ 737.561577] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 737.561577] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 737.561577] free:13730 free_pcp:227 free_cma:0 [ 737.563953] Call Trace: [ 737.573334] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 737.606267] [ 737.608839] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 737.637161] dump_stack+0x244/0x39d [ 737.639289] lowmem_reserve[]: 0 2818 6321 6321 [ 737.665421] ? dump_stack_print_info.cold.1+0x20/0x20 [ 737.669023] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 737.673613] warn_alloc.cold.116+0xb7/0x1bd [ 737.678767] lowmem_reserve[]: 0 0 3503 3503 [ 737.706270] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 737.710568] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 737.714887] ? lock_downgrade+0x900/0x900 [ 737.719945] lowmem_reserve[]: 0 0 0 0 [ 737.749018] ? trace_hardirqs_off+0xb8/0x310 [ 737.753141] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 737.756943] ? trace_hardirqs_off+0xb8/0x310 [ 737.761326] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 737.774853] __alloc_pages_slowpath+0x26e8/0x2e10 [ 737.779235] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 737.793992] ? warn_alloc+0x120/0x120 [ 737.798794] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 737.812919] ? warn_alloc+0x120/0x120 [ 737.816706] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 737.825951] ? warn_alloc+0x120/0x120 [ 737.830262] 6658 total pagecache pages [ 737.838840] ? print_usage_bug+0xc0/0xc0 [ 737.842618] 0 pages in swap cache [ 737.846494] ? print_usage_bug+0xc0/0xc0 [ 737.850538] Swap cache stats: add 0, delete 0, find 0/0 [ 737.853982] ? ktime_get+0x2c1/0x400 [ 737.858023] Free swap = 0kB [ 737.863408] ? check_preemption_disabled+0x48/0x280 [ 737.867088] Total swap = 0kB [ 737.870104] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 737.875101] 1965979 pages RAM [ 737.878120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 737.882592] 0 pages HighMem/MovableOnly [ 737.885694] ? should_fail+0x22d/0xd01 [ 737.891206] 342853 pages reserved [ 737.891214] 0 pages cma reserved [ 737.895188] ? kasan_check_read+0x11/0x20 [ 737.899422] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 737.902499] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 737.902517] ? __lock_acquire+0x62f/0x4c20 [ 737.906004] kworker/1:0 cpuset=/ mems_allowed=0 [ 737.910148] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 737.910164] ? should_fail+0x22d/0xd01 [ 737.944265] ? print_usage_bug+0xc0/0xc0 [ 737.948338] ? mark_held_locks+0x130/0x130 [ 737.952577] ? mark_held_locks+0x130/0x130 [ 737.956813] ? check_preemption_disabled+0x48/0x280 [ 737.961838] ? zap_class+0x640/0x640 [ 737.965562] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 737.970321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.975865] ? check_preemption_disabled+0x48/0x280 [ 737.981009] ? __lock_is_held+0xb5/0x140 [ 737.985185] __alloc_pages_nodemask+0xa80/0xde0 [ 737.989859] ? zap_class+0x640/0x640 [ 737.993578] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 737.998607] ? find_held_lock+0x36/0x1c0 [ 738.002678] ? ____cache_alloc_node+0x1c7/0x1e0 [ 738.007349] ? lock_downgrade+0x900/0x900 [ 738.011526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.017068] cache_grow_begin+0xa5/0x8c0 [ 738.021425] ? do_raw_spin_unlock+0xa7/0x330 [ 738.025848] fallback_alloc+0x204/0x2e0 [ 738.029830] ____cache_alloc_node+0x1c7/0x1e0 [ 738.034336] kmem_cache_alloc_node+0xe3/0x730 [ 738.038833] ? lockdep_hardirqs_on+0x296/0x5b0 [ 738.043439] __alloc_skb+0x119/0x770 [ 738.047153] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 738.052523] ? netdev_alloc_frag+0x1f0/0x1f0 [ 738.056938] ? vprintk_default+0x28/0x30 [ 738.061001] ? vprintk_func+0x85/0x181 [ 738.064892] ? printk+0xa7/0xcf [ 738.068180] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 738.072952] new_skb+0x26/0x1c0 [ 738.076234] aoecmd_cfg+0x279/0x7f0 [ 738.079863] ? find_held_lock+0x36/0x1c0 [ 738.083931] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 738.088263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.093816] ? __lock_is_held+0xb5/0x140 [ 738.097891] discover_timer+0x50/0x60 [ 738.101692] call_timer_fn+0x272/0x920 [ 738.105580] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 738.110423] ? process_timeout+0x40/0x40 [ 738.114495] ? mark_held_locks+0xc7/0x130 [ 738.118736] ? _raw_spin_unlock_irq+0x27/0x80 [ 738.123491] ? _raw_spin_unlock_irq+0x27/0x80 [ 738.127987] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 738.133182] ? lockdep_hardirqs_on+0x296/0x5b0 [ 738.137779] ? trace_hardirqs_on+0xbd/0x310 [ 738.142099] ? kasan_check_read+0x11/0x20 [ 738.146250] ? __run_timers+0x7da/0xc70 [ 738.150231] ? trace_hardirqs_off_caller+0x310/0x310 [ 738.155351] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 738.160217] __run_timers+0x7e5/0xc70 [ 738.164030] ? timer_fixup_init+0x70/0x70 [ 738.168181] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 738.173197] ? zap_class+0x640/0x640 [ 738.176914] ? print_usage_bug+0xc0/0xc0 [ 738.180980] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 738.186178] ? find_held_lock+0x36/0x1c0 [ 738.190249] ? zap_class+0x640/0x640 [ 738.193971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.199512] ? check_preemption_disabled+0x48/0x280 [ 738.204546] ? __lock_is_held+0xb5/0x140 [ 738.208615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.214154] ? check_preemption_disabled+0x48/0x280 [ 738.219179] run_timer_softirq+0x52/0xb0 [ 738.223492] ? rcu_read_lock_sched_held+0x14f/0x180 [ 738.228515] __do_softirq+0x308/0xb7e [ 738.232319] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 738.236812] ? lock_downgrade+0x900/0x900 [ 738.240964] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 738.246080] ? pvclock_read_flags+0x160/0x160 [ 738.250585] ? lapic_next_event+0x5a/0x90 [ 738.254737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.260282] ? kvm_clock_read+0x18/0x30 [ 738.264260] ? kvm_sched_clock_read+0x9/0x20 [ 738.268672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.274211] ? check_preemption_disabled+0x48/0x280 [ 738.279241] irq_exit+0x17f/0x1c0 [ 738.282696] smp_apic_timer_interrupt+0x1cb/0x760 [ 738.287557] ? smp_reschedule_interrupt+0x109/0x650 [ 738.292574] ? smp_call_function_single_interrupt+0x650/0x650 [ 738.298459] ? interrupt_entry+0xb5/0xc0 [ 738.302522] ? trace_hardirqs_off_caller+0xbb/0x310 [ 738.307541] ? trace_hardirqs_off_caller+0xbb/0x310 [ 738.312562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 738.317419] ? trace_hardirqs_on_caller+0x310/0x310 [ 738.322755] ? trace_hardirqs_on_caller+0x310/0x310 [ 738.327771] ? task_prio+0x50/0x50 [ 738.331316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.336854] ? check_preemption_disabled+0x48/0x280 [ 738.341878] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 738.346730] apic_timer_interrupt+0xf/0x20 [ 738.350961] [ 738.353199] RIP: 0010:console_unlock+0x102f/0x1190 [ 738.358134] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 738.377033] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 738.384739] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 738.392009] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 738.399276] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 738.406549] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 738.413818] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 738.421420] ? netconsole_netdev_event+0x280/0x280 [ 738.426357] ? console_unlock+0x1026/0x1190 [ 738.430714] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 738.435401] ? vprintk_emit+0x846/0x990 [ 738.439395] ? lock_release+0xa00/0xa00 [ 738.443392] ? trace_hardirqs_on+0x70/0x310 [ 738.447721] ? vprintk_default+0x28/0x30 [ 738.451787] ? trace_hardirqs_off_caller+0x310/0x310 [ 738.456979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.462524] vprintk_emit+0x391/0x990 [ 738.466333] ? wake_up_klogd+0x180/0x180 [ 738.470444] ? find_held_lock+0x11/0x1c0 [ 738.474516] ? mark_held_locks+0xc7/0x130 [ 738.478666] ? _raw_spin_unlock_irq+0x27/0x80 [ 738.483159] ? _raw_spin_unlock_irq+0x27/0x80 [ 738.487660] vprintk_default+0x28/0x30 [ 738.491548] vprintk_func+0x7e/0x181 [ 738.495266] printk+0xa7/0xcf [ 738.498397] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 738.503158] ? _raw_spin_unlock_irq+0x60/0x80 [ 738.507666] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 738.512949] dump_header+0x7cc/0xf72 [ 738.516673] ? pagefault_out_of_memory+0x197/0x197 [ 738.521921] ? __lock_acquire+0x62f/0x4c20 [ 738.526164] ? print_usage_bug+0xc0/0xc0 [ 738.530234] ? zap_class+0x640/0x640 [ 738.533945] ? zap_class+0x640/0x640 [ 738.537663] ? print_usage_bug+0xc0/0xc0 [ 738.541731] ? print_usage_bug+0xc0/0xc0 [ 738.545805] ? find_held_lock+0x36/0x1c0 [ 738.549878] ? mark_held_locks+0xc7/0x130 [ 738.554035] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 738.559141] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 738.564251] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 738.568834] ? trace_hardirqs_on+0xbd/0x310 [ 738.573181] ? kasan_check_read+0x11/0x20 [ 738.577329] ? ___ratelimit+0x3b4/0x672 [ 738.581326] ? trace_hardirqs_off_caller+0x310/0x310 [ 738.586442] ? trace_hardirqs_on+0x310/0x310 [ 738.590854] ? lock_downgrade+0x900/0x900 [ 738.595010] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 738.600114] ? ___ratelimit+0x3b9/0x672 [ 738.604092] ? idr_get_free+0xf70/0xf70 [ 738.608064] ? kasan_check_read+0x11/0x20 [ 738.612209] ? do_raw_spin_unlock+0xa7/0x330 [ 738.616627] oom_kill_process.cold.27+0x10/0x903 [ 738.621652] ? zap_class+0x640/0x640 [ 738.625387] ? _raw_spin_unlock+0x2c/0x50 [ 738.629541] ? oom_badness+0xe6/0xaa0 [ 738.633352] ? oom_evaluate_task+0x540/0x540 [ 738.637783] ? find_held_lock+0x36/0x1c0 [ 738.641851] ? out_of_memory+0x974/0x1430 [ 738.646004] ? lock_downgrade+0x900/0x900 [ 738.650158] ? check_preemption_disabled+0x48/0x280 [ 738.655182] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 738.660649] ? kasan_check_read+0x11/0x20 [ 738.664804] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 738.670081] ? rcu_softirq_qs+0x20/0x20 [ 738.674061] ? kasan_check_write+0x14/0x20 [ 738.678297] ? oom_evaluate_task+0x302/0x540 [ 738.682712] out_of_memory+0xa84/0x1430 [ 738.686699] ? oom_killer_disable+0x3a0/0x3a0 [ 738.691195] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 738.696133] ? __ww_mutex_check_waiters+0x160/0x160 [ 738.701164] __alloc_pages_slowpath+0x2354/0x2e10 [ 738.706036] ? warn_alloc+0x120/0x120 [ 738.709837] ? mark_held_locks+0x130/0x130 [ 738.714077] ? find_get_entry+0xaae/0x1120 [ 738.718319] ? filemap_map_pages+0x1a20/0x1a20 [ 738.723227] ? zap_class+0x640/0x640 [ 738.726947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.732489] ? check_preemption_disabled+0x48/0x280 [ 738.737510] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 738.743066] ? should_fail+0x22d/0xd01 [ 738.746964] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 738.752072] ? zap_class+0x640/0x640 [ 738.755814] ? __lock_is_held+0xb5/0x140 [ 738.759891] ? mark_held_locks+0x130/0x130 [ 738.764132] ? lock_release+0xa00/0xa00 [ 738.768112] ? perf_trace_sched_process_exec+0x860/0x860 [ 738.773569] ? xa_load+0x2ba/0x460 [ 738.777113] ? lock_downgrade+0x900/0x900 [ 738.781269] ? __might_sleep+0x95/0x190 [ 738.785251] __alloc_pages_nodemask+0xa80/0xde0 [ 738.789929] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 738.794947] ? __page_cache_alloc+0x191/0x5c0 [ 738.799446] ? xa_load+0x2e1/0x460 [ 738.802990] ? xa_clear_mark+0x40/0x40 [ 738.806882] ? zap_class+0x640/0x640 [ 738.810610] ? zap_class+0x640/0x640 [ 738.814325] ? zap_class+0x640/0x640 [ 738.818056] ? __do_page_cache_readahead+0x663/0x810 [ 738.823488] ? find_held_lock+0x36/0x1c0 [ 738.827555] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 738.833100] alloc_pages_current+0x173/0x350 [ 738.837516] __page_cache_alloc+0x38c/0x5c0 [ 738.841838] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 738.846766] ? kasan_check_read+0x11/0x20 [ 738.850913] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 738.856196] ? generic_perform_write+0x6a0/0x6a0 [ 738.860957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 738.866497] ? check_preemption_disabled+0x48/0x280 [ 738.871521] filemap_fault+0x1595/0x25f0 [ 738.875597] ? __lock_page_or_retry+0xa00/0xa00 [ 738.880320] ? mark_held_locks+0x130/0x130 [ 738.884580] ? filemap_map_pages+0xd6b/0x1a20 [ 738.889076] ? lock_downgrade+0x900/0x900 [ 738.893227] ? check_preemption_disabled+0x48/0x280 [ 738.898246] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 738.903174] ? kasan_check_read+0x11/0x20 [ 738.907321] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 738.912613] ? rcu_softirq_qs+0x20/0x20 [ 738.916605] ? filemap_map_pages+0xd92/0x1a20 [ 738.921578] ? find_get_entries_tag+0x1400/0x1400 [ 738.926424] ? futex_wake+0x760/0x760 [ 738.930238] ? lock_acquire+0x1ed/0x520 [ 738.934214] ? ext4_filemap_fault+0x7a/0xad [ 738.938543] ? lock_release+0xa00/0xa00 [ 738.942514] ? perf_trace_sched_process_exec+0x860/0x860 [ 738.947970] ? print_usage_bug+0xc0/0xc0 [ 738.952036] ? print_usage_bug+0xc0/0xc0 [ 738.956153] ? down_read+0x8d/0x120 [ 738.959780] ? ext4_filemap_fault+0x7a/0xad [ 738.964103] ? __down_interruptible+0x700/0x700 [ 738.968781] ext4_filemap_fault+0x82/0xad [ 738.972930] __do_fault+0x100/0x6b0 [ 738.976563] ? pmd_devmap_trans_unstable+0x220/0x220 [ 738.981670] ? mark_held_locks+0x130/0x130 [ 738.985909] ? mark_held_locks+0x130/0x130 [ 738.990144] ? __might_fault+0x12b/0x1e0 [ 738.994207] ? lock_downgrade+0x900/0x900 [ 738.998385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 739.003931] __handle_mm_fault+0x3ea0/0x5be0 [ 739.008370] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 739.013221] ? kasan_check_read+0x11/0x20 [ 739.017380] ? _copy_to_user+0xc8/0x110 [ 739.021652] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 739.027200] ? zap_class+0x640/0x640 [ 739.030916] ? zap_class+0x640/0x640 [ 739.034665] ? find_held_lock+0x36/0x1c0 [ 739.038740] ? handle_mm_fault+0x42a/0xc70 [ 739.042977] ? lock_downgrade+0x900/0x900 [ 739.047128] ? check_preemption_disabled+0x48/0x280 [ 739.052147] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 739.057075] ? kasan_check_read+0x11/0x20 [ 739.061222] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 739.066499] ? rcu_softirq_qs+0x20/0x20 [ 739.070475] ? trace_hardirqs_off_caller+0x310/0x310 [ 739.075583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 739.081122] ? check_preemption_disabled+0x48/0x280 [ 739.086149] handle_mm_fault+0x54f/0xc70 [ 739.090216] ? __handle_mm_fault+0x5be0/0x5be0 [ 739.094804] ? find_vma+0x34/0x190 [ 739.098377] __do_page_fault+0x5e8/0xe60 [ 739.102443] ? trace_hardirqs_off+0xb8/0x310 [ 739.106864] do_page_fault+0xf2/0x7e0 [ 739.110668] ? vmalloc_sync_all+0x30/0x30 [ 739.114818] ? error_entry+0x70/0xd0 [ 739.118532] ? trace_hardirqs_off_caller+0xbb/0x310 [ 739.123808] ? trace_hardirqs_on_caller+0xc0/0x310 [ 739.128739] ? syscall_return_slowpath+0x5e0/0x5e0 [ 739.133673] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.138516] ? trace_hardirqs_on_caller+0x310/0x310 [ 739.143536] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 739.148991] ? prepare_exit_to_usermode+0x291/0x3b0 [ 739.154029] ? page_fault+0x8/0x30 [ 739.157571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.162421] ? page_fault+0x8/0x30 [ 739.165962] page_fault+0x1e/0x30 [ 739.169418] RIP: 0033:0x407e06 [ 739.172639] Code: Bad RIP value. [ 739.176001] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 739.181375] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 739.188646] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 739.195917] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 739.203188] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 739.210457] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 739.217751] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 739.217813] aoe: skb alloc failure [ 739.224958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 739.224976] Workqueue: events_power_efficient neigh_periodic_work [ 739.224983] Call Trace: [ 739.224990] [ 739.225009] dump_stack+0x244/0x39d [ 739.228554] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 739.237882] ? dump_stack_print_info.cold.1+0x20/0x20 [ 739.244090] syz-fuzzer cpuset=/ mems_allowed=0 [ 739.246680] warn_alloc.cold.116+0xb7/0x1bd [ 739.276695] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 739.281550] ? lock_downgrade+0x900/0x900 [ 739.285708] ? trace_hardirqs_off+0xb8/0x310 [ 739.290123] ? trace_hardirqs_off+0xb8/0x310 [ 739.294539] __alloc_pages_slowpath+0x26e8/0x2e10 [ 739.299428] ? warn_alloc+0x120/0x120 [ 739.303237] ? warn_alloc+0x120/0x120 [ 739.307046] ? warn_alloc+0x120/0x120 [ 739.310854] ? print_usage_bug+0xc0/0xc0 [ 739.314922] ? print_usage_bug+0xc0/0xc0 [ 739.318992] ? __lock_acquire+0x62f/0x4c20 [ 739.323564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 739.329103] ? should_fail+0x22d/0xd01 [ 739.332995] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 739.338100] ? __lock_acquire+0x62f/0x4c20 [ 739.342364] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 739.347471] ? __lock_acquire+0x62f/0x4c20 [ 739.351712] ? should_fail+0x22d/0xd01 [ 739.355600] ? find_held_lock+0x36/0x1c0 [ 739.359671] ? mark_held_locks+0x130/0x130 [ 739.363922] ? mark_held_locks+0x130/0x130 [ 739.368162] ? update_stack_state+0x1a5/0x690 [ 739.372664] ? zap_class+0x640/0x640 [ 739.376377] ? ret_from_fork+0x3a/0x50 [ 739.380268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.385809] ? check_preemption_disabled+0x48/0x280 [ 739.390834] ? __lock_is_held+0xb5/0x140 [ 739.394907] __alloc_pages_nodemask+0xa80/0xde0 [ 739.399577] ? zap_class+0x640/0x640 [ 739.403295] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 739.408342] ? find_held_lock+0x36/0x1c0 [ 739.412414] ? ____cache_alloc_node+0x1c7/0x1e0 [ 739.417086] ? lock_downgrade+0x900/0x900 [ 739.421489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.427036] cache_grow_begin+0xa5/0x8c0 [ 739.431102] ? do_raw_spin_unlock+0xa7/0x330 [ 739.435522] fallback_alloc+0x204/0x2e0 [ 739.439508] ____cache_alloc_node+0x1c7/0x1e0 [ 739.444015] kmem_cache_alloc_node+0xe3/0x730 [ 739.448513] ? mark_held_locks+0xc7/0x130 [ 739.452678] __alloc_skb+0x119/0x770 [ 739.456408] ? netdev_alloc_frag+0x1f0/0x1f0 [ 739.460815] ? do_raw_spin_trylock+0x270/0x270 [ 739.465401] ? kmem_cache_alloc_trace+0x353/0x750 [ 739.470247] ? queue_work_on+0x12c/0x1e0 [ 739.474317] ? switchdev_port_obj_del+0xdc/0x440 [ 739.479090] ? switchdev_trans_item_enqueue+0x260/0x260 [ 739.484458] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 739.489484] __br_mdb_notify+0x4ff/0x15d0 [ 739.493646] ? __br_mdb_add+0x7f0/0x7f0 [ 739.497629] ? zap_class+0x640/0x640 [ 739.501366] ? br_multicast_group_expired+0x96/0x610 [ 739.506471] ? kasan_check_read+0x11/0x20 [ 739.510626] br_mdb_notify+0x310/0x410 [ 739.514610] ? br_mdb_dump+0x27b0/0x27b0 [ 739.518678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.524529] br_multicast_group_expired+0x1bc/0x610 [ 739.529550] ? br_mdb_free+0x80/0x80 [ 739.533274] call_timer_fn+0x272/0x920 [ 739.537165] ? br_mdb_free+0x80/0x80 [ 739.540880] ? process_timeout+0x40/0x40 [ 739.544949] ? mark_held_locks+0xc7/0x130 [ 739.549123] ? _raw_spin_unlock_irq+0x27/0x80 [ 739.553619] ? _raw_spin_unlock_irq+0x27/0x80 [ 739.558133] ? br_mdb_free+0x80/0x80 [ 739.561854] ? lockdep_hardirqs_on+0x296/0x5b0 [ 739.566445] ? trace_hardirqs_on+0xbd/0x310 [ 739.570768] ? kasan_check_read+0x11/0x20 [ 739.574914] ? __run_timers+0x7da/0xc70 [ 739.578895] ? trace_hardirqs_off_caller+0x310/0x310 [ 739.584076] ? br_mdb_free+0x80/0x80 [ 739.587813] __run_timers+0x7e5/0xc70 [ 739.591628] ? timer_fixup_init+0x70/0x70 [ 739.595777] ? lock_downgrade+0x900/0x900 [ 739.599923] ? zap_class+0x640/0x640 [ 739.603646] ? print_usage_bug+0xc0/0xc0 [ 739.607710] ? trace_hardirqs_on+0x310/0x310 [ 739.612127] ? kvm_clock_read+0x18/0x30 [ 739.616104] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 739.621397] ? ktime_get+0x2c1/0x400 [ 739.625116] ? zap_class+0x640/0x640 [ 739.628835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.634384] ? check_preemption_disabled+0x48/0x280 [ 739.639410] ? __lock_is_held+0xb5/0x140 [ 739.643475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.649016] ? check_preemption_disabled+0x48/0x280 [ 739.654036] run_timer_softirq+0x52/0xb0 [ 739.658099] ? rcu_read_lock_sched_held+0x14f/0x180 [ 739.663115] __do_softirq+0x308/0xb7e [ 739.666925] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 739.672028] ? irq_exit+0xbd/0x1c0 [ 739.675571] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 739.680588] ? smp_reschedule_interrupt+0x109/0x650 [ 739.685609] ? smp_call_function_single_interrupt+0x650/0x650 [ 739.691493] ? ret_from_intr+0xb/0x1e [ 739.695294] ? trace_hardirqs_off_caller+0xbb/0x310 [ 739.700341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.705273] ? trace_hardirqs_on_caller+0x310/0x310 [ 739.710289] ? task_prio+0x50/0x50 [ 739.713852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.719429] ? check_preemption_disabled+0x48/0x280 [ 739.724780] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.729627] ? neigh_periodic_work+0x6bd/0xc60 [ 739.734213] do_softirq_own_stack+0x2a/0x40 [ 739.738527] [ 739.740765] do_softirq.part.14+0x126/0x160 [ 739.745086] __local_bh_enable_ip+0x21d/0x260 [ 739.749582] _raw_write_unlock_bh+0x30/0x40 [ 739.753904] neigh_periodic_work+0x6bd/0xc60 [ 739.758339] ? neigh_table_clear+0x390/0x390 [ 739.762757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.768301] ? check_preemption_disabled+0x48/0x280 [ 739.773353] ? __lock_is_held+0xb5/0x140 [ 739.777434] process_one_work+0xc90/0x1c40 [ 739.781670] ? mark_held_locks+0x130/0x130 [ 739.785921] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 739.790593] ? __switch_to_asm+0x40/0x70 [ 739.794661] ? __switch_to_asm+0x40/0x70 [ 739.798721] ? __switch_to_asm+0x34/0x70 [ 739.802782] ? __switch_to_asm+0x40/0x70 [ 739.806850] ? __switch_to_asm+0x34/0x70 [ 739.810909] ? __switch_to_asm+0x40/0x70 [ 739.814969] ? __switch_to_asm+0x34/0x70 [ 739.819031] ? __switch_to_asm+0x40/0x70 [ 739.823398] ? __schedule+0x8d7/0x21d0 [ 739.827290] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 739.832396] ? zap_class+0x640/0x640 [ 739.836117] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 739.840880] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 739.845479] ? lock_acquire+0x1ed/0x520 [ 739.849456] ? worker_thread+0x3e0/0x1390 [ 739.853618] ? kasan_check_read+0x11/0x20 [ 739.857768] ? do_raw_spin_lock+0x14f/0x350 [ 739.862093] ? kasan_check_read+0x11/0x20 [ 739.866242] ? rwlock_bug.part.2+0x90/0x90 [ 739.870480] ? trace_hardirqs_on+0x310/0x310 [ 739.874902] worker_thread+0x17f/0x1390 [ 739.878881] ? __switch_to_asm+0x34/0x70 [ 739.882977] ? process_one_work+0x1c40/0x1c40 [ 739.887492] ? __sched_text_start+0x8/0x8 [ 739.891665] ? __kthread_parkme+0xce/0x1a0 [ 739.895905] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 739.901008] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 739.906119] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 739.910704] ? trace_hardirqs_on+0xbd/0x310 [ 739.915027] ? kasan_check_read+0x11/0x20 [ 739.919175] ? __kthread_parkme+0xce/0x1a0 [ 739.923722] ? trace_hardirqs_off_caller+0x310/0x310 [ 739.928843] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 739.933949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 739.939490] ? __kthread_parkme+0xfb/0x1a0 [ 739.943732] ? process_one_work+0x1c40/0x1c40 [ 739.948227] kthread+0x35a/0x440 [ 739.951598] ? kthread_stop+0x900/0x900 [ 739.955581] ret_from_fork+0x3a/0x50 [ 739.959338] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 739.959351] warn_alloc_show_mem: 1 callbacks suppressed [ 739.959354] Mem-Info: [ 739.966365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 739.971733] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 739.971733] active_file:32 inactive_file:0 isolated_file:0 [ 739.971733] unevictable:0 dirty:0 writeback:0 unstable:0 [ 739.971733] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 739.971733] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 739.971733] free:13730 free_pcp:227 free_cma:0 [ 739.974110] Call Trace: [ 739.983497] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 740.016430] [ 740.019002] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 740.047662] dump_stack+0x244/0x39d [ 740.049790] lowmem_reserve[]: 0 2818 6321 6321 [ 740.075900] ? dump_stack_print_info.cold.1+0x20/0x20 [ 740.079505] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 740.084110] warn_alloc.cold.116+0xb7/0x1bd [ 740.089267] lowmem_reserve[]: 0 0 3503 3503 [ 740.116771] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 740.121860] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 740.126181] ? lock_downgrade+0x900/0x900 [ 740.130998] lowmem_reserve[]: 0 0 0 0 [ 740.160060] ? trace_hardirqs_off+0xb8/0x310 [ 740.164182] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 740.167984] ? trace_hardirqs_off+0xb8/0x310 [ 740.172359] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 740.185890] __alloc_pages_slowpath+0x26e8/0x2e10 [ 740.190269] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 740.205027] ? warn_alloc+0x120/0x120 [ 740.209837] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 740.224208] ? warn_alloc+0x120/0x120 [ 740.227991] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 740.236815] ? __lock_acquire+0x62f/0x4c20 [ 740.240593] 6658 total pagecache pages [ 740.249174] ? warn_alloc+0x120/0x120 [ 740.253403] 0 pages in swap cache [ 740.257282] ? print_usage_bug+0xc0/0xc0 [ 740.261062] Swap cache stats: add 0, delete 0, find 0/0 [ 740.264510] ? print_usage_bug+0xc0/0xc0 [ 740.268546] Free swap = 0kB [ 740.273905] ? mark_held_locks+0x130/0x130 [ 740.277944] Total swap = 0kB [ 740.280961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 740.285168] 1965979 pages RAM [ 740.288180] ? should_fail+0x22d/0xd01 [ 740.293691] 0 pages HighMem/MovableOnly [ 740.296791] ? zap_class+0x640/0x640 [ 740.300649] 342853 pages reserved [ 740.300656] 0 pages cma reserved [ 740.304624] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 740.308457] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 740.311772] ? __lock_acquire+0x62f/0x4c20 [ 740.315117] kworker/1:0 cpuset=/ mems_allowed=0 [ 740.320498] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 740.344778] ? should_fail+0x22d/0xd01 [ 740.348687] ? mark_held_locks+0x130/0x130 [ 740.352930] ? mark_held_locks+0x130/0x130 [ 740.357169] ? lock_downgrade+0x900/0x900 [ 740.361342] ? zap_class+0x640/0x640 [ 740.365061] ? zap_class+0x640/0x640 [ 740.368782] ? zap_class+0x640/0x640 [ 740.372495] ? do_raw_spin_unlock+0xa7/0x330 [ 740.376908] ? trace_hardirqs_on+0x310/0x310 [ 740.381332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.386875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.392419] ? check_preemption_disabled+0x48/0x280 [ 740.397453] ? __lock_is_held+0xb5/0x140 [ 740.401521] __alloc_pages_nodemask+0xa80/0xde0 [ 740.406189] ? zap_class+0x640/0x640 [ 740.409907] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 740.414937] ? find_held_lock+0x36/0x1c0 [ 740.419861] ? ____cache_alloc_node+0x1c7/0x1e0 [ 740.424533] ? lock_downgrade+0x900/0x900 [ 740.428689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.434231] cache_grow_begin+0xa5/0x8c0 [ 740.438315] ? do_raw_spin_unlock+0xa7/0x330 [ 740.442735] fallback_alloc+0x204/0x2e0 [ 740.446721] ____cache_alloc_node+0x1c7/0x1e0 [ 740.451221] kmem_cache_alloc_node+0xe3/0x730 [ 740.455718] ? lockdep_hardirqs_on+0x296/0x5b0 [ 740.460328] __alloc_skb+0x119/0x770 [ 740.464049] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 740.469418] ? netdev_alloc_frag+0x1f0/0x1f0 [ 740.473840] ? vprintk_default+0x28/0x30 [ 740.477907] ? vprintk_func+0x85/0x181 [ 740.481798] ? printk+0xa7/0xcf [ 740.485080] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 740.489849] new_skb+0x26/0x1c0 [ 740.493129] aoecmd_cfg+0x279/0x7f0 [ 740.496757] ? find_held_lock+0x36/0x1c0 [ 740.500824] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 740.505151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.510704] ? __lock_is_held+0xb5/0x140 [ 740.514778] discover_timer+0x50/0x60 [ 740.518586] call_timer_fn+0x272/0x920 [ 740.522721] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 740.527573] ? process_timeout+0x40/0x40 [ 740.531645] ? mark_held_locks+0xc7/0x130 [ 740.535798] ? _raw_spin_unlock_irq+0x27/0x80 [ 740.540312] ? _raw_spin_unlock_irq+0x27/0x80 [ 740.544811] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 740.549655] ? lockdep_hardirqs_on+0x296/0x5b0 [ 740.554245] ? trace_hardirqs_on+0xbd/0x310 [ 740.558566] ? kasan_check_read+0x11/0x20 [ 740.562717] ? __run_timers+0x7da/0xc70 [ 740.566700] ? trace_hardirqs_off_caller+0x310/0x310 [ 740.571818] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 740.576665] __run_timers+0x7e5/0xc70 [ 740.580475] ? timer_fixup_init+0x70/0x70 [ 740.584625] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 740.589644] ? zap_class+0x640/0x640 [ 740.593365] ? print_usage_bug+0xc0/0xc0 [ 740.597433] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 740.602633] ? find_held_lock+0x36/0x1c0 [ 740.606700] ? zap_class+0x640/0x640 [ 740.610420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.616050] ? check_preemption_disabled+0x48/0x280 [ 740.621346] ? __lock_is_held+0xb5/0x140 [ 740.625418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.630961] ? check_preemption_disabled+0x48/0x280 [ 740.635984] run_timer_softirq+0x52/0xb0 [ 740.640050] ? rcu_read_lock_sched_held+0x14f/0x180 [ 740.645067] __do_softirq+0x308/0xb7e [ 740.648871] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 740.653366] ? lock_downgrade+0x900/0x900 [ 740.657522] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 740.663199] ? pvclock_read_flags+0x160/0x160 [ 740.667703] ? lapic_next_event+0x5a/0x90 [ 740.671859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.677407] ? kvm_clock_read+0x18/0x30 [ 740.681395] ? kvm_sched_clock_read+0x9/0x20 [ 740.685809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.691349] ? check_preemption_disabled+0x48/0x280 [ 740.696378] irq_exit+0x17f/0x1c0 [ 740.699840] smp_apic_timer_interrupt+0x1cb/0x760 [ 740.704684] ? smp_reschedule_interrupt+0x109/0x650 [ 740.709701] ? smp_call_function_single_interrupt+0x650/0x650 [ 740.715585] ? interrupt_entry+0xb5/0xc0 [ 740.719830] ? trace_hardirqs_off_caller+0xbb/0x310 [ 740.724847] ? trace_hardirqs_off_caller+0xbb/0x310 [ 740.729865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 740.734712] ? trace_hardirqs_on_caller+0x310/0x310 [ 740.739730] ? trace_hardirqs_on_caller+0x310/0x310 [ 740.744746] ? task_prio+0x50/0x50 [ 740.748311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.753850] ? check_preemption_disabled+0x48/0x280 [ 740.758879] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 740.763731] apic_timer_interrupt+0xf/0x20 [ 740.767961] [ 740.770199] RIP: 0010:console_unlock+0x102f/0x1190 [ 740.775129] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 740.794029] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 740.801742] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 740.809014] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 740.816293] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 740.823878] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 740.831147] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 740.838430] ? netconsole_netdev_event+0x280/0x280 [ 740.843371] ? console_unlock+0x1026/0x1190 [ 740.847713] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 740.852381] ? vprintk_emit+0x846/0x990 [ 740.856361] ? lock_release+0xa00/0xa00 [ 740.860345] ? trace_hardirqs_on+0x70/0x310 [ 740.864669] ? vprintk_default+0x28/0x30 [ 740.868735] ? trace_hardirqs_off_caller+0x310/0x310 [ 740.874107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.879653] vprintk_emit+0x391/0x990 [ 740.883462] ? wake_up_klogd+0x180/0x180 [ 740.887529] ? find_held_lock+0x11/0x1c0 [ 740.891604] ? mark_held_locks+0xc7/0x130 [ 740.895756] ? _raw_spin_unlock_irq+0x27/0x80 [ 740.900254] ? _raw_spin_unlock_irq+0x27/0x80 [ 740.904778] vprintk_default+0x28/0x30 [ 740.908675] vprintk_func+0x7e/0x181 [ 740.912399] printk+0xa7/0xcf [ 740.915505] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 740.920527] ? _raw_spin_unlock_irq+0x60/0x80 [ 740.925040] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 740.930330] dump_header+0x7cc/0xf72 [ 740.934058] ? pagefault_out_of_memory+0x197/0x197 [ 740.938995] ? __lock_acquire+0x62f/0x4c20 [ 740.943240] ? print_usage_bug+0xc0/0xc0 [ 740.947327] ? zap_class+0x640/0x640 [ 740.951040] ? zap_class+0x640/0x640 [ 740.954756] ? print_usage_bug+0xc0/0xc0 [ 740.958823] ? print_usage_bug+0xc0/0xc0 [ 740.962892] ? find_held_lock+0x36/0x1c0 [ 740.967051] ? mark_held_locks+0xc7/0x130 [ 740.971201] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 740.976319] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 740.981429] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 740.986018] ? trace_hardirqs_on+0xbd/0x310 [ 740.990344] ? kasan_check_read+0x11/0x20 [ 740.994497] ? ___ratelimit+0x3b4/0x672 [ 740.998473] ? trace_hardirqs_off_caller+0x310/0x310 [ 741.003592] ? trace_hardirqs_on+0x310/0x310 [ 741.008001] ? lock_downgrade+0x900/0x900 [ 741.012156] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 741.017263] ? ___ratelimit+0x3b9/0x672 [ 741.021528] ? idr_get_free+0xf70/0xf70 [ 741.025504] ? kasan_check_read+0x11/0x20 [ 741.029660] ? do_raw_spin_unlock+0xa7/0x330 [ 741.034086] oom_kill_process.cold.27+0x10/0x903 [ 741.038899] ? zap_class+0x640/0x640 [ 741.042615] ? _raw_spin_unlock+0x2c/0x50 [ 741.046761] ? oom_badness+0xe6/0xaa0 [ 741.050569] ? oom_evaluate_task+0x540/0x540 [ 741.054987] ? find_held_lock+0x36/0x1c0 [ 741.059057] ? out_of_memory+0x974/0x1430 [ 741.063216] ? lock_downgrade+0x900/0x900 [ 741.067370] ? check_preemption_disabled+0x48/0x280 [ 741.072393] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 741.077325] ? kasan_check_read+0x11/0x20 [ 741.081476] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 741.086765] ? rcu_softirq_qs+0x20/0x20 [ 741.090746] ? kasan_check_write+0x14/0x20 [ 741.094993] ? oom_evaluate_task+0x302/0x540 [ 741.099412] out_of_memory+0xa84/0x1430 [ 741.103400] ? oom_killer_disable+0x3a0/0x3a0 [ 741.107908] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 741.112843] ? __ww_mutex_check_waiters+0x160/0x160 [ 741.117876] __alloc_pages_slowpath+0x2354/0x2e10 [ 741.123004] ? warn_alloc+0x120/0x120 [ 741.126812] ? mark_held_locks+0x130/0x130 [ 741.131057] ? find_get_entry+0xaae/0x1120 [ 741.135325] ? filemap_map_pages+0x1a20/0x1a20 [ 741.139916] ? zap_class+0x640/0x640 [ 741.143643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.149185] ? check_preemption_disabled+0x48/0x280 [ 741.154210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 741.159751] ? should_fail+0x22d/0xd01 [ 741.163643] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 741.168749] ? zap_class+0x640/0x640 [ 741.172485] ? __lock_is_held+0xb5/0x140 [ 741.176557] ? mark_held_locks+0x130/0x130 [ 741.180798] ? lock_release+0xa00/0xa00 [ 741.184775] ? perf_trace_sched_process_exec+0x860/0x860 [ 741.190228] ? xa_load+0x2ba/0x460 [ 741.193771] ? lock_downgrade+0x900/0x900 [ 741.197927] ? __might_sleep+0x95/0x190 [ 741.201931] __alloc_pages_nodemask+0xa80/0xde0 [ 741.206611] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 741.211632] ? __page_cache_alloc+0x191/0x5c0 [ 741.216126] ? xa_load+0x2e1/0x460 [ 741.219818] ? xa_clear_mark+0x40/0x40 [ 741.223710] ? zap_class+0x640/0x640 [ 741.227432] ? zap_class+0x640/0x640 [ 741.231148] ? zap_class+0x640/0x640 [ 741.234864] ? __do_page_cache_readahead+0x663/0x810 [ 741.239972] ? find_held_lock+0x36/0x1c0 [ 741.244037] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 741.249586] alloc_pages_current+0x173/0x350 [ 741.254003] __page_cache_alloc+0x38c/0x5c0 [ 741.258325] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 741.263255] ? kasan_check_read+0x11/0x20 [ 741.267431] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 741.272717] ? generic_perform_write+0x6a0/0x6a0 [ 741.277481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 741.283027] ? check_preemption_disabled+0x48/0x280 [ 741.288053] filemap_fault+0x1595/0x25f0 [ 741.292130] ? __lock_page_or_retry+0xa00/0xa00 [ 741.296804] ? mark_held_locks+0x130/0x130 [ 741.301047] ? filemap_map_pages+0xd6b/0x1a20 [ 741.305544] ? lock_downgrade+0x900/0x900 [ 741.309695] ? check_preemption_disabled+0x48/0x280 [ 741.314715] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 741.319848] ? kasan_check_read+0x11/0x20 [ 741.324000] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 741.329309] ? rcu_softirq_qs+0x20/0x20 [ 741.333317] ? filemap_map_pages+0xd92/0x1a20 [ 741.337825] ? find_get_entries_tag+0x1400/0x1400 [ 741.342674] ? futex_wake+0x760/0x760 [ 741.346493] ? lock_acquire+0x1ed/0x520 [ 741.350479] ? ext4_filemap_fault+0x7a/0xad [ 741.354811] ? lock_release+0xa00/0xa00 [ 741.358783] ? perf_trace_sched_process_exec+0x860/0x860 [ 741.364234] ? print_usage_bug+0xc0/0xc0 [ 741.368323] ? print_usage_bug+0xc0/0xc0 [ 741.372398] ? down_read+0x8d/0x120 [ 741.376034] ? ext4_filemap_fault+0x7a/0xad [ 741.380365] ? __down_interruptible+0x700/0x700 [ 741.385044] ext4_filemap_fault+0x82/0xad [ 741.389210] __do_fault+0x100/0x6b0 [ 741.392847] ? pmd_devmap_trans_unstable+0x220/0x220 [ 741.397958] ? mark_held_locks+0x130/0x130 [ 741.402196] ? mark_held_locks+0x130/0x130 [ 741.406434] ? __might_fault+0x12b/0x1e0 [ 741.410502] ? lock_downgrade+0x900/0x900 [ 741.414664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 741.420470] __handle_mm_fault+0x3ea0/0x5be0 [ 741.424889] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 741.429743] ? kasan_check_read+0x11/0x20 [ 741.433900] ? _copy_to_user+0xc8/0x110 [ 741.437880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 741.443430] ? zap_class+0x640/0x640 [ 741.447147] ? zap_class+0x640/0x640 [ 741.450879] ? find_held_lock+0x36/0x1c0 [ 741.454952] ? handle_mm_fault+0x42a/0xc70 [ 741.459188] ? lock_downgrade+0x900/0x900 [ 741.463342] ? check_preemption_disabled+0x48/0x280 [ 741.468365] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 741.473330] ? kasan_check_read+0x11/0x20 [ 741.477482] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 741.482761] ? rcu_softirq_qs+0x20/0x20 [ 741.486737] ? trace_hardirqs_off_caller+0x310/0x310 [ 741.491847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 741.497395] ? check_preemption_disabled+0x48/0x280 [ 741.502420] handle_mm_fault+0x54f/0xc70 [ 741.506489] ? __handle_mm_fault+0x5be0/0x5be0 [ 741.511080] ? find_vma+0x34/0x190 [ 741.514633] __do_page_fault+0x5e8/0xe60 [ 741.518694] ? trace_hardirqs_off+0xb8/0x310 [ 741.523399] do_page_fault+0xf2/0x7e0 [ 741.527208] ? vmalloc_sync_all+0x30/0x30 [ 741.531364] ? error_entry+0x70/0xd0 [ 741.535085] ? trace_hardirqs_off_caller+0xbb/0x310 [ 741.540101] ? trace_hardirqs_on_caller+0xc0/0x310 [ 741.545036] ? syscall_return_slowpath+0x5e0/0x5e0 [ 741.549968] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 741.554815] ? trace_hardirqs_on_caller+0x310/0x310 [ 741.559830] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 741.565308] ? prepare_exit_to_usermode+0x291/0x3b0 [ 741.570327] ? page_fault+0x8/0x30 [ 741.573872] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 741.578720] ? page_fault+0x8/0x30 [ 741.582282] page_fault+0x1e/0x30 [ 741.585735] RIP: 0033:0x407e06 [ 741.588944] Code: Bad RIP value. [ 741.592307] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 741.597670] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 741.604938] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 741.612208] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 741.619477] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 741.627040] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 741.634341] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 741.634399] aoe: skb alloc failure [ 741.641289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 741.641309] Workqueue: events_power_efficient neigh_periodic_work [ 741.644885] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 741.654169] Call Trace: [ 741.660386] syz-fuzzer cpuset=/ mems_allowed=0 [ 741.670606] [ 741.679910] dump_stack+0x244/0x39d [ 741.683545] ? dump_stack_print_info.cold.1+0x20/0x20 [ 741.688749] warn_alloc.cold.116+0xb7/0x1bd [ 741.693077] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 741.697923] ? lock_downgrade+0x900/0x900 [ 741.702078] ? trace_hardirqs_off+0xb8/0x310 [ 741.706496] ? trace_hardirqs_off+0xb8/0x310 [ 741.710918] __alloc_pages_slowpath+0x26e8/0x2e10 [ 741.715798] ? warn_alloc+0x120/0x120 [ 741.719823] ? warn_alloc+0x120/0x120 [ 741.723630] ? warn_alloc+0x120/0x120 [ 741.727436] ? print_usage_bug+0xc0/0xc0 [ 741.731504] ? print_usage_bug+0xc0/0xc0 [ 741.735567] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 741.740773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 741.746326] ? should_fail+0x22d/0xd01 [ 741.750219] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 741.755340] ? __lock_acquire+0x62f/0x4c20 [ 741.759581] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 741.764683] ? __lock_acquire+0x62f/0x4c20 [ 741.768919] ? should_fail+0x22d/0xd01 [ 741.772818] ? mark_held_locks+0x130/0x130 [ 741.777058] ? mark_held_locks+0x130/0x130 [ 741.781297] ? update_stack_state+0x1a5/0x690 [ 741.785802] ? zap_class+0x640/0x640 [ 741.789517] ? ret_from_fork+0x3a/0x50 [ 741.793411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.798951] ? check_preemption_disabled+0x48/0x280 [ 741.803977] ? __lock_is_held+0xb5/0x140 [ 741.808044] __alloc_pages_nodemask+0xa80/0xde0 [ 741.812712] ? zap_class+0x640/0x640 [ 741.816430] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 741.821752] ? find_held_lock+0x36/0x1c0 [ 741.825836] ? ____cache_alloc_node+0x1c7/0x1e0 [ 741.831092] ? lock_downgrade+0x900/0x900 [ 741.835268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.840812] cache_grow_begin+0xa5/0x8c0 [ 741.844877] ? do_raw_spin_unlock+0xa7/0x330 [ 741.849309] fallback_alloc+0x204/0x2e0 [ 741.853319] ____cache_alloc_node+0x1c7/0x1e0 [ 741.857824] kmem_cache_alloc_node+0xe3/0x730 [ 741.862324] ? mark_held_locks+0xc7/0x130 [ 741.866485] __alloc_skb+0x119/0x770 [ 741.870207] ? netdev_alloc_frag+0x1f0/0x1f0 [ 741.874623] ? do_raw_spin_trylock+0x270/0x270 [ 741.879211] ? kmem_cache_alloc_trace+0x353/0x750 [ 741.884070] ? queue_work_on+0x12c/0x1e0 [ 741.888141] ? switchdev_port_obj_del+0xdc/0x440 [ 741.892904] ? switchdev_trans_item_enqueue+0x260/0x260 [ 741.898283] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 741.903314] __br_mdb_notify+0x4ff/0x15d0 [ 741.907472] ? __br_mdb_add+0x7f0/0x7f0 [ 741.911464] ? zap_class+0x640/0x640 [ 741.915199] ? br_multicast_group_expired+0x96/0x610 [ 741.920617] ? lock_downgrade+0x900/0x900 [ 741.924778] br_mdb_notify+0x310/0x410 [ 741.928672] ? br_mdb_dump+0x27b0/0x27b0 [ 741.932741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.938316] br_multicast_group_expired+0x1bc/0x610 [ 741.943339] ? br_mdb_free+0x80/0x80 [ 741.947070] call_timer_fn+0x272/0x920 [ 741.950962] ? br_mdb_free+0x80/0x80 [ 741.954679] ? process_timeout+0x40/0x40 [ 741.958762] ? mark_held_locks+0xc7/0x130 [ 741.962919] ? _raw_spin_unlock_irq+0x27/0x80 [ 741.967418] ? _raw_spin_unlock_irq+0x27/0x80 [ 741.971915] ? br_mdb_free+0x80/0x80 [ 741.975635] ? lockdep_hardirqs_on+0x296/0x5b0 [ 741.980221] ? trace_hardirqs_on+0xbd/0x310 [ 741.984555] ? kasan_check_read+0x11/0x20 [ 741.988700] ? __run_timers+0x7da/0xc70 [ 741.992675] ? trace_hardirqs_off_caller+0x310/0x310 [ 741.997787] ? br_mdb_free+0x80/0x80 [ 742.001508] ? br_mdb_free+0x80/0x80 [ 742.005221] __run_timers+0x7e5/0xc70 [ 742.009049] ? timer_fixup_init+0x70/0x70 [ 742.013198] ? lock_downgrade+0x900/0x900 [ 742.017348] ? zap_class+0x640/0x640 [ 742.021417] ? print_usage_bug+0xc0/0xc0 [ 742.025480] ? trace_hardirqs_on+0x310/0x310 [ 742.029898] ? kvm_clock_read+0x18/0x30 [ 742.033874] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 742.038890] ? ktime_get+0x2c1/0x400 [ 742.042632] ? zap_class+0x640/0x640 [ 742.046352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.051899] ? check_preemption_disabled+0x48/0x280 [ 742.056935] ? __lock_is_held+0xb5/0x140 [ 742.061001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.066539] ? check_preemption_disabled+0x48/0x280 [ 742.071564] run_timer_softirq+0x52/0xb0 [ 742.075631] ? rcu_read_lock_sched_held+0x14f/0x180 [ 742.080648] __do_softirq+0x308/0xb7e [ 742.084463] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 742.089562] ? irq_exit+0xbd/0x1c0 [ 742.093102] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 742.098134] ? smp_reschedule_interrupt+0x109/0x650 [ 742.103170] ? smp_call_function_single_interrupt+0x650/0x650 [ 742.109056] ? ret_from_intr+0xb/0x1e [ 742.112862] ? trace_hardirqs_off_caller+0xbb/0x310 [ 742.117885] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 742.123051] ? trace_hardirqs_on_caller+0x310/0x310 [ 742.128073] ? task_prio+0x50/0x50 [ 742.131619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.137159] ? check_preemption_disabled+0x48/0x280 [ 742.142185] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 742.147031] ? neigh_periodic_work+0x6bd/0xc60 [ 742.151617] do_softirq_own_stack+0x2a/0x40 [ 742.155934] [ 742.158174] do_softirq.part.14+0x126/0x160 [ 742.162496] __local_bh_enable_ip+0x21d/0x260 [ 742.166997] _raw_write_unlock_bh+0x30/0x40 [ 742.171324] neigh_periodic_work+0x6bd/0xc60 [ 742.175746] ? neigh_table_clear+0x390/0x390 [ 742.180166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.185708] ? check_preemption_disabled+0x48/0x280 [ 742.190733] ? __lock_is_held+0xb5/0x140 [ 742.194817] process_one_work+0xc90/0x1c40 [ 742.199051] ? mark_held_locks+0x130/0x130 [ 742.203301] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 742.207970] ? __switch_to_asm+0x40/0x70 [ 742.212032] ? __switch_to_asm+0x40/0x70 [ 742.216094] ? __switch_to_asm+0x34/0x70 [ 742.220923] ? __switch_to_asm+0x40/0x70 [ 742.224984] ? __switch_to_asm+0x34/0x70 [ 742.229041] ? __switch_to_asm+0x40/0x70 [ 742.233103] ? __switch_to_asm+0x34/0x70 [ 742.237165] ? __switch_to_asm+0x40/0x70 [ 742.241245] ? __schedule+0x8d7/0x21d0 [ 742.245137] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 742.249734] ? zap_class+0x640/0x640 [ 742.253456] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 742.258218] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 742.262835] ? lock_acquire+0x1ed/0x520 [ 742.266809] ? worker_thread+0x3e0/0x1390 [ 742.270970] ? kasan_check_read+0x11/0x20 [ 742.275120] ? do_raw_spin_lock+0x14f/0x350 [ 742.279441] ? kasan_check_read+0x11/0x20 [ 742.283594] ? rwlock_bug.part.2+0x90/0x90 [ 742.287848] ? trace_hardirqs_on+0x310/0x310 [ 742.292289] worker_thread+0x17f/0x1390 [ 742.296274] ? __switch_to_asm+0x34/0x70 [ 742.300353] ? process_one_work+0x1c40/0x1c40 [ 742.304870] ? __sched_text_start+0x8/0x8 [ 742.309039] ? __kthread_parkme+0xce/0x1a0 [ 742.313281] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 742.318384] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 742.324311] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 742.328899] ? trace_hardirqs_on+0xbd/0x310 [ 742.333240] ? kasan_check_read+0x11/0x20 [ 742.337392] ? __kthread_parkme+0xce/0x1a0 [ 742.341628] ? trace_hardirqs_off_caller+0x310/0x310 [ 742.346750] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 742.351858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 742.357403] ? __kthread_parkme+0xfb/0x1a0 [ 742.361640] ? process_one_work+0x1c40/0x1c40 [ 742.366135] kthread+0x35a/0x440 [ 742.369508] ? kthread_stop+0x900/0x900 [ 742.373485] ret_from_fork+0x3a/0x50 [ 742.377217] warn_alloc_show_mem: 1 callbacks suppressed [ 742.377246] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 742.377248] Mem-Info: [ 742.377277] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 742.377277] active_file:32 inactive_file:0 isolated_file:0 [ 742.377277] unevictable:0 dirty:0 writeback:0 unstable:0 [ 742.377277] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 742.377277] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 742.377277] free:13730 free_pcp:227 free_cma:0 [ 742.382624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 742.389643] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 742.392037] Call Trace: [ 742.425282] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 742.434651] [ 742.462563] lowmem_reserve[]: 0 2818 6321 6321 [ 742.465155] dump_stack+0x244/0x39d [ 742.491244] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 742.493411] ? dump_stack_print_info.cold.1+0x20/0x20 [ 742.497969] lowmem_reserve[]: 0 0 3503 3503 [ 742.501606] warn_alloc.cold.116+0xb7/0x1bd [ 742.529354] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 742.534547] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 742.538833] lowmem_reserve[]: 0 0 0 0 [ 742.543159] ? lock_downgrade+0x900/0x900 [ 742.572191] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 742.577069] ? trace_hardirqs_off+0xb8/0x310 [ 742.580837] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 742.584993] ? trace_hardirqs_off+0xb8/0x310 [ 742.598485] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 742.602907] __alloc_pages_slowpath+0x26e8/0x2e10 [ 742.617625] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 742.622504] ? warn_alloc+0x120/0x120 [ 742.636600] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 742.641438] ? warn_alloc+0x120/0x120 [ 742.650266] 6658 total pagecache pages [ 742.654060] ? warn_alloc+0x120/0x120 [ 742.662947] 0 pages in swap cache [ 742.666752] ? print_usage_bug+0xc0/0xc0 [ 742.670609] Swap cache stats: add 0, delete 0, find 0/0 [ 742.670617] Free swap = 0kB [ 742.674413] ? print_usage_bug+0xc0/0xc0 [ 742.677842] Total swap = 0kB [ 742.677850] 1965979 pages RAM [ 742.681907] ? ktime_get+0x2c1/0x400 [ 742.687249] 0 pages HighMem/MovableOnly [ 742.687257] 342853 pages reserved [ 742.690312] ? check_preemption_disabled+0x48/0x280 [ 742.694342] 0 pages cma reserved [ 742.694567] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 742.697362] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 742.700447] kworker/1:0 cpuset=/ mems_allowed=0 [ 742.704160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 742.745196] ? should_fail+0x22d/0xd01 [ 742.749104] ? kasan_check_read+0x11/0x20 [ 742.753289] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 742.758400] ? __lock_acquire+0x62f/0x4c20 [ 742.762642] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 742.767750] ? should_fail+0x22d/0xd01 [ 742.771638] ? print_usage_bug+0xc0/0xc0 [ 742.775708] ? mark_held_locks+0x130/0x130 [ 742.779951] ? mark_held_locks+0x130/0x130 [ 742.784186] ? check_preemption_disabled+0x48/0x280 [ 742.789251] ? zap_class+0x640/0x640 [ 742.792969] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 742.797733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.803272] ? check_preemption_disabled+0x48/0x280 [ 742.808302] ? __lock_is_held+0xb5/0x140 [ 742.812377] __alloc_pages_nodemask+0xa80/0xde0 [ 742.817047] ? zap_class+0x640/0x640 [ 742.821077] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 742.826109] ? find_held_lock+0x36/0x1c0 [ 742.830181] ? ____cache_alloc_node+0x1c7/0x1e0 [ 742.834861] ? lock_downgrade+0x900/0x900 [ 742.839020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.844562] cache_grow_begin+0xa5/0x8c0 [ 742.848624] ? do_raw_spin_unlock+0xa7/0x330 [ 742.853040] fallback_alloc+0x204/0x2e0 [ 742.857020] ____cache_alloc_node+0x1c7/0x1e0 [ 742.861526] kmem_cache_alloc_node+0xe3/0x730 [ 742.866027] ? lockdep_hardirqs_on+0x296/0x5b0 [ 742.870618] __alloc_skb+0x119/0x770 [ 742.874335] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 742.879709] ? netdev_alloc_frag+0x1f0/0x1f0 [ 742.884126] ? vprintk_default+0x28/0x30 [ 742.888193] ? vprintk_func+0x85/0x181 [ 742.892106] ? printk+0xa7/0xcf [ 742.895385] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 742.900151] new_skb+0x26/0x1c0 [ 742.903431] aoecmd_cfg+0x279/0x7f0 [ 742.907063] ? find_held_lock+0x36/0x1c0 [ 742.911134] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 742.915468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.921341] ? __lock_is_held+0xb5/0x140 [ 742.925415] discover_timer+0x50/0x60 [ 742.929236] call_timer_fn+0x272/0x920 [ 742.933126] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 742.937973] ? process_timeout+0x40/0x40 [ 742.942048] ? mark_held_locks+0xc7/0x130 [ 742.946201] ? _raw_spin_unlock_irq+0x27/0x80 [ 742.950721] ? _raw_spin_unlock_irq+0x27/0x80 [ 742.955235] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 742.960083] ? lockdep_hardirqs_on+0x296/0x5b0 [ 742.964674] ? trace_hardirqs_on+0xbd/0x310 [ 742.969000] ? kasan_check_read+0x11/0x20 [ 742.973158] ? __run_timers+0x7da/0xc70 [ 742.977138] ? trace_hardirqs_off_caller+0x310/0x310 [ 742.982267] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 742.987106] __run_timers+0x7e5/0xc70 [ 742.990920] ? timer_fixup_init+0x70/0x70 [ 742.995074] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 743.000095] ? zap_class+0x640/0x640 [ 743.003814] ? print_usage_bug+0xc0/0xc0 [ 743.007878] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 743.013075] ? find_held_lock+0x36/0x1c0 [ 743.017140] ? zap_class+0x640/0x640 [ 743.021176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.026738] ? check_preemption_disabled+0x48/0x280 [ 743.031764] ? __lock_is_held+0xb5/0x140 [ 743.035831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.041369] ? check_preemption_disabled+0x48/0x280 [ 743.046397] run_timer_softirq+0x52/0xb0 [ 743.050459] ? rcu_read_lock_sched_held+0x14f/0x180 [ 743.055482] __do_softirq+0x308/0xb7e [ 743.059299] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 743.063797] ? lock_downgrade+0x900/0x900 [ 743.067954] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 743.073065] ? pvclock_read_flags+0x160/0x160 [ 743.077564] ? lapic_next_event+0x5a/0x90 [ 743.081718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.087269] ? kvm_clock_read+0x18/0x30 [ 743.091263] ? kvm_sched_clock_read+0x9/0x20 [ 743.095677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.101233] ? check_preemption_disabled+0x48/0x280 [ 743.106294] irq_exit+0x17f/0x1c0 [ 743.109772] smp_apic_timer_interrupt+0x1cb/0x760 [ 743.114618] ? smp_reschedule_interrupt+0x109/0x650 [ 743.119939] ? smp_call_function_single_interrupt+0x650/0x650 [ 743.125826] ? interrupt_entry+0xb5/0xc0 [ 743.129893] ? trace_hardirqs_off_caller+0xbb/0x310 [ 743.134907] ? trace_hardirqs_off_caller+0xbb/0x310 [ 743.139927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 743.144775] ? trace_hardirqs_on_caller+0x310/0x310 [ 743.149790] ? trace_hardirqs_on_caller+0x310/0x310 [ 743.154810] ? task_prio+0x50/0x50 [ 743.158352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.163890] ? check_preemption_disabled+0x48/0x280 [ 743.168916] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 743.173767] apic_timer_interrupt+0xf/0x20 [ 743.177994] [ 743.180243] RIP: 0010:console_unlock+0x102f/0x1190 [ 743.185175] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 743.204112] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 743.211822] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 743.219090] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 743.226628] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 743.233903] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 743.241175] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 743.248476] ? netconsole_netdev_event+0x280/0x280 [ 743.253411] ? console_unlock+0x1026/0x1190 [ 743.257752] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 743.262422] ? vprintk_emit+0x846/0x990 [ 743.266401] ? lock_release+0xa00/0xa00 [ 743.270377] ? trace_hardirqs_on+0x70/0x310 [ 743.274701] ? vprintk_default+0x28/0x30 [ 743.278764] ? trace_hardirqs_off_caller+0x310/0x310 [ 743.283870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.289416] vprintk_emit+0x391/0x990 [ 743.293238] ? wake_up_klogd+0x180/0x180 [ 743.297308] ? find_held_lock+0x11/0x1c0 [ 743.301379] ? mark_held_locks+0xc7/0x130 [ 743.305531] ? _raw_spin_unlock_irq+0x27/0x80 [ 743.310025] ? _raw_spin_unlock_irq+0x27/0x80 [ 743.314525] vprintk_default+0x28/0x30 [ 743.318414] vprintk_func+0x7e/0x181 [ 743.322643] printk+0xa7/0xcf [ 743.325752] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 743.330519] ? _raw_spin_unlock_irq+0x60/0x80 [ 743.335030] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 743.340316] dump_header+0x7cc/0xf72 [ 743.344043] ? pagefault_out_of_memory+0x197/0x197 [ 743.348979] ? __lock_acquire+0x62f/0x4c20 [ 743.353236] ? print_usage_bug+0xc0/0xc0 [ 743.357309] ? zap_class+0x640/0x640 [ 743.361022] ? zap_class+0x640/0x640 [ 743.364740] ? print_usage_bug+0xc0/0xc0 [ 743.368814] ? print_usage_bug+0xc0/0xc0 [ 743.372889] ? find_held_lock+0x36/0x1c0 [ 743.376960] ? mark_held_locks+0xc7/0x130 [ 743.381131] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 743.386240] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 743.391349] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 743.395936] ? trace_hardirqs_on+0xbd/0x310 [ 743.400259] ? kasan_check_read+0x11/0x20 [ 743.404413] ? ___ratelimit+0x3b4/0x672 [ 743.408394] ? trace_hardirqs_off_caller+0x310/0x310 [ 743.413498] ? trace_hardirqs_on+0x310/0x310 [ 743.417906] ? lock_downgrade+0x900/0x900 [ 743.422408] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 743.427512] ? ___ratelimit+0x3b9/0x672 [ 743.431489] ? idr_get_free+0xf70/0xf70 [ 743.435461] ? kasan_check_read+0x11/0x20 [ 743.439613] ? do_raw_spin_unlock+0xa7/0x330 [ 743.444036] oom_kill_process.cold.27+0x10/0x903 [ 743.448794] ? zap_class+0x640/0x640 [ 743.452529] ? _raw_spin_unlock+0x2c/0x50 [ 743.456679] ? oom_badness+0xe6/0xaa0 [ 743.460487] ? oom_evaluate_task+0x540/0x540 [ 743.464900] ? find_held_lock+0x36/0x1c0 [ 743.468974] ? out_of_memory+0x974/0x1430 [ 743.473125] ? lock_downgrade+0x900/0x900 [ 743.477275] ? check_preemption_disabled+0x48/0x280 [ 743.482306] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 743.487261] ? kasan_check_read+0x11/0x20 [ 743.491411] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 743.496688] ? rcu_softirq_qs+0x20/0x20 [ 743.500668] ? kasan_check_write+0x14/0x20 [ 743.504904] ? oom_evaluate_task+0x302/0x540 [ 743.509318] out_of_memory+0xa84/0x1430 [ 743.513301] ? oom_killer_disable+0x3a0/0x3a0 [ 743.517800] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 743.523054] ? __ww_mutex_check_waiters+0x160/0x160 [ 743.528085] __alloc_pages_slowpath+0x2354/0x2e10 [ 743.532957] ? warn_alloc+0x120/0x120 [ 743.536757] ? mark_held_locks+0x130/0x130 [ 743.541005] ? find_get_entry+0xaae/0x1120 [ 743.545252] ? filemap_map_pages+0x1a20/0x1a20 [ 743.549841] ? zap_class+0x640/0x640 [ 743.553565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.559105] ? check_preemption_disabled+0x48/0x280 [ 743.564129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 743.569667] ? should_fail+0x22d/0xd01 [ 743.573560] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 743.578664] ? zap_class+0x640/0x640 [ 743.582401] ? __lock_is_held+0xb5/0x140 [ 743.586470] ? mark_held_locks+0x130/0x130 [ 743.590709] ? lock_release+0xa00/0xa00 [ 743.594689] ? perf_trace_sched_process_exec+0x860/0x860 [ 743.600141] ? xa_load+0x2ba/0x460 [ 743.603687] ? lock_downgrade+0x900/0x900 [ 743.607843] ? __might_sleep+0x95/0x190 [ 743.611823] __alloc_pages_nodemask+0xa80/0xde0 [ 743.616498] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 743.621917] ? __page_cache_alloc+0x191/0x5c0 [ 743.626421] ? xa_load+0x2e1/0x460 [ 743.629965] ? xa_clear_mark+0x40/0x40 [ 743.633855] ? zap_class+0x640/0x640 [ 743.637581] ? zap_class+0x640/0x640 [ 743.641298] ? zap_class+0x640/0x640 [ 743.645017] ? __do_page_cache_readahead+0x663/0x810 [ 743.650130] ? find_held_lock+0x36/0x1c0 [ 743.654219] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 743.659798] alloc_pages_current+0x173/0x350 [ 743.664229] __page_cache_alloc+0x38c/0x5c0 [ 743.668550] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 743.673485] ? kasan_check_read+0x11/0x20 [ 743.677639] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 743.682923] ? generic_perform_write+0x6a0/0x6a0 [ 743.687681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 743.693240] ? check_preemption_disabled+0x48/0x280 [ 743.698265] filemap_fault+0x1595/0x25f0 [ 743.702341] ? __lock_page_or_retry+0xa00/0xa00 [ 743.707012] ? mark_held_locks+0x130/0x130 [ 743.711268] ? filemap_map_pages+0xd6b/0x1a20 [ 743.715766] ? lock_downgrade+0x900/0x900 [ 743.720175] ? check_preemption_disabled+0x48/0x280 [ 743.725233] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 743.730160] ? kasan_check_read+0x11/0x20 [ 743.734325] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 743.739600] ? rcu_softirq_qs+0x20/0x20 [ 743.743588] ? filemap_map_pages+0xd92/0x1a20 [ 743.748104] ? find_get_entries_tag+0x1400/0x1400 [ 743.752951] ? futex_wake+0x760/0x760 [ 743.756769] ? lock_acquire+0x1ed/0x520 [ 743.760743] ? ext4_filemap_fault+0x7a/0xad [ 743.765074] ? lock_release+0xa00/0xa00 [ 743.769047] ? perf_trace_sched_process_exec+0x860/0x860 [ 743.774504] ? print_usage_bug+0xc0/0xc0 [ 743.778565] ? print_usage_bug+0xc0/0xc0 [ 743.782812] ? down_read+0x8d/0x120 [ 743.786438] ? ext4_filemap_fault+0x7a/0xad [ 743.790764] ? __down_interruptible+0x700/0x700 [ 743.795447] ext4_filemap_fault+0x82/0xad [ 743.799597] __do_fault+0x100/0x6b0 [ 743.803244] ? pmd_devmap_trans_unstable+0x220/0x220 [ 743.808354] ? mark_held_locks+0x130/0x130 [ 743.812593] ? mark_held_locks+0x130/0x130 [ 743.816832] ? __might_fault+0x12b/0x1e0 [ 743.821237] ? lock_downgrade+0x900/0x900 [ 743.825394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 743.831241] __handle_mm_fault+0x3ea0/0x5be0 [ 743.835668] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 743.840521] ? kasan_check_read+0x11/0x20 [ 743.844671] ? _copy_to_user+0xc8/0x110 [ 743.848656] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 743.854224] ? zap_class+0x640/0x640 [ 743.857941] ? zap_class+0x640/0x640 [ 743.861663] ? find_held_lock+0x36/0x1c0 [ 743.865736] ? handle_mm_fault+0x42a/0xc70 [ 743.869974] ? lock_downgrade+0x900/0x900 [ 743.874123] ? check_preemption_disabled+0x48/0x280 [ 743.879147] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 743.884094] ? kasan_check_read+0x11/0x20 [ 743.888245] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 743.893525] ? rcu_softirq_qs+0x20/0x20 [ 743.897499] ? trace_hardirqs_off_caller+0x310/0x310 [ 743.902607] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 743.908154] ? check_preemption_disabled+0x48/0x280 [ 743.913222] handle_mm_fault+0x54f/0xc70 [ 743.917293] ? __handle_mm_fault+0x5be0/0x5be0 [ 743.922227] ? find_vma+0x34/0x190 [ 743.925772] __do_page_fault+0x5e8/0xe60 [ 743.929834] ? trace_hardirqs_off+0xb8/0x310 [ 743.934308] do_page_fault+0xf2/0x7e0 [ 743.938115] ? vmalloc_sync_all+0x30/0x30 [ 743.942266] ? error_entry+0x70/0xd0 [ 743.945991] ? trace_hardirqs_off_caller+0xbb/0x310 [ 743.951010] ? trace_hardirqs_on_caller+0xc0/0x310 [ 743.956064] ? syscall_return_slowpath+0x5e0/0x5e0 [ 743.960997] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 743.965842] ? trace_hardirqs_on_caller+0x310/0x310 [ 743.970858] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 743.976312] ? prepare_exit_to_usermode+0x291/0x3b0 [ 743.981330] ? page_fault+0x8/0x30 [ 743.984879] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 743.989729] ? page_fault+0x8/0x30 [ 743.993276] page_fault+0x1e/0x30 [ 743.996727] RIP: 0033:0x407e06 [ 743.999939] Code: Bad RIP value. [ 744.003308] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 744.008675] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 744.015947] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 744.023469] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 744.030739] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 744.038007] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 744.045307] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 744.045372] aoe: skb alloc failure [ 744.052238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 744.052258] Workqueue: events_power_efficient neigh_periodic_work [ 744.052268] Call Trace: [ 744.055823] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 744.065138] [ 744.071353] syz-fuzzer cpuset=/ mems_allowed=0 [ 744.073933] dump_stack+0x244/0x39d [ 744.094478] ? dump_stack_print_info.cold.1+0x20/0x20 [ 744.099681] warn_alloc.cold.116+0xb7/0x1bd [ 744.104014] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 744.108861] ? lock_downgrade+0x900/0x900 [ 744.113018] ? trace_hardirqs_off+0xb8/0x310 [ 744.117440] ? trace_hardirqs_off+0xb8/0x310 [ 744.122693] __alloc_pages_slowpath+0x26e8/0x2e10 [ 744.127568] ? warn_alloc+0x120/0x120 [ 744.131377] ? warn_alloc+0x120/0x120 [ 744.135200] ? warn_alloc+0x120/0x120 [ 744.139006] ? print_usage_bug+0xc0/0xc0 [ 744.143073] ? print_usage_bug+0xc0/0xc0 [ 744.147132] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 744.152349] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 744.157896] ? should_fail+0x22d/0xd01 [ 744.161793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 744.166900] ? __lock_acquire+0x62f/0x4c20 [ 744.171140] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 744.176261] ? __lock_acquire+0x62f/0x4c20 [ 744.180494] ? should_fail+0x22d/0xd01 [ 744.184390] ? mark_held_locks+0x130/0x130 [ 744.188636] ? mark_held_locks+0x130/0x130 [ 744.192875] ? update_stack_state+0x1a5/0x690 [ 744.197377] ? zap_class+0x640/0x640 [ 744.201090] ? ret_from_fork+0x3a/0x50 [ 744.204989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.210533] ? check_preemption_disabled+0x48/0x280 [ 744.215564] ? __lock_is_held+0xb5/0x140 [ 744.219952] __alloc_pages_nodemask+0xa80/0xde0 [ 744.224625] ? zap_class+0x640/0x640 [ 744.228347] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 744.233377] ? find_held_lock+0x36/0x1c0 [ 744.237454] ? ____cache_alloc_node+0x1c7/0x1e0 [ 744.242126] ? lock_downgrade+0x900/0x900 [ 744.246284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.251830] cache_grow_begin+0xa5/0x8c0 [ 744.255897] ? do_raw_spin_unlock+0xa7/0x330 [ 744.260317] fallback_alloc+0x204/0x2e0 [ 744.264301] ____cache_alloc_node+0x1c7/0x1e0 [ 744.268804] kmem_cache_alloc_node+0xe3/0x730 [ 744.273305] ? mark_held_locks+0xc7/0x130 [ 744.277465] __alloc_skb+0x119/0x770 [ 744.281196] ? netdev_alloc_frag+0x1f0/0x1f0 [ 744.285603] ? do_raw_spin_trylock+0x270/0x270 [ 744.290200] ? kmem_cache_alloc_trace+0x353/0x750 [ 744.295051] ? queue_work_on+0x12c/0x1e0 [ 744.299118] ? switchdev_port_obj_del+0xdc/0x440 [ 744.303875] ? switchdev_trans_item_enqueue+0x260/0x260 [ 744.309244] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 744.314272] __br_mdb_notify+0x4ff/0x15d0 [ 744.318435] ? __br_mdb_add+0x7f0/0x7f0 [ 744.322722] ? zap_class+0x640/0x640 [ 744.326451] ? br_multicast_group_expired+0x96/0x610 [ 744.331563] ? lock_downgrade+0x900/0x900 [ 744.335716] br_mdb_notify+0x310/0x410 [ 744.339608] ? br_mdb_dump+0x27b0/0x27b0 [ 744.343689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.349239] br_multicast_group_expired+0x1bc/0x610 [ 744.354259] ? br_mdb_free+0x80/0x80 [ 744.357983] call_timer_fn+0x272/0x920 [ 744.361871] ? br_mdb_free+0x80/0x80 [ 744.365587] ? process_timeout+0x40/0x40 [ 744.369657] ? mark_held_locks+0xc7/0x130 [ 744.373814] ? _raw_spin_unlock_irq+0x27/0x80 [ 744.378358] ? _raw_spin_unlock_irq+0x27/0x80 [ 744.382852] ? br_mdb_free+0x80/0x80 [ 744.386605] ? lockdep_hardirqs_on+0x296/0x5b0 [ 744.391208] ? trace_hardirqs_on+0xbd/0x310 [ 744.395531] ? kasan_check_read+0x11/0x20 [ 744.399686] ? __run_timers+0x7da/0xc70 [ 744.403664] ? trace_hardirqs_off_caller+0x310/0x310 [ 744.408779] ? br_mdb_free+0x80/0x80 [ 744.412499] ? br_mdb_free+0x80/0x80 [ 744.416233] __run_timers+0x7e5/0xc70 [ 744.420370] ? timer_fixup_init+0x70/0x70 [ 744.424519] ? lock_downgrade+0x900/0x900 [ 744.428665] ? zap_class+0x640/0x640 [ 744.432392] ? print_usage_bug+0xc0/0xc0 [ 744.436454] ? trace_hardirqs_on+0x310/0x310 [ 744.440872] ? kvm_clock_read+0x18/0x30 [ 744.444852] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 744.449868] ? ktime_get+0x2c1/0x400 [ 744.453585] ? zap_class+0x640/0x640 [ 744.457310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.462854] ? check_preemption_disabled+0x48/0x280 [ 744.467884] ? __lock_is_held+0xb5/0x140 [ 744.471952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.477494] ? check_preemption_disabled+0x48/0x280 [ 744.482520] run_timer_softirq+0x52/0xb0 [ 744.486584] ? rcu_read_lock_sched_held+0x14f/0x180 [ 744.491602] __do_softirq+0x308/0xb7e [ 744.495414] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 744.500517] ? irq_exit+0xbd/0x1c0 [ 744.504064] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 744.509084] ? smp_reschedule_interrupt+0x109/0x650 [ 744.514103] ? smp_call_function_single_interrupt+0x650/0x650 [ 744.520273] ? ret_from_intr+0xb/0x1e [ 744.524077] ? trace_hardirqs_off_caller+0xbb/0x310 [ 744.529097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 744.533942] ? trace_hardirqs_on_caller+0x310/0x310 [ 744.538959] ? task_prio+0x50/0x50 [ 744.542506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.548045] ? check_preemption_disabled+0x48/0x280 [ 744.553068] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 744.557918] ? neigh_periodic_work+0x6bd/0xc60 [ 744.562509] do_softirq_own_stack+0x2a/0x40 [ 744.566826] [ 744.569066] do_softirq.part.14+0x126/0x160 [ 744.573391] __local_bh_enable_ip+0x21d/0x260 [ 744.577894] _raw_write_unlock_bh+0x30/0x40 [ 744.582224] neigh_periodic_work+0x6bd/0xc60 [ 744.586641] ? neigh_table_clear+0x390/0x390 [ 744.591057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.596599] ? check_preemption_disabled+0x48/0x280 [ 744.602165] ? __lock_is_held+0xb5/0x140 [ 744.606250] process_one_work+0xc90/0x1c40 [ 744.610490] ? mark_held_locks+0x130/0x130 [ 744.614740] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 744.619724] ? __switch_to_asm+0x40/0x70 [ 744.623787] ? __switch_to_asm+0x40/0x70 [ 744.627847] ? __switch_to_asm+0x34/0x70 [ 744.631910] ? __switch_to_asm+0x40/0x70 [ 744.635978] ? __switch_to_asm+0x34/0x70 [ 744.640036] ? __switch_to_asm+0x40/0x70 [ 744.644100] ? __switch_to_asm+0x34/0x70 [ 744.648176] ? __switch_to_asm+0x40/0x70 [ 744.652249] ? __schedule+0x8d7/0x21d0 [ 744.656139] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 744.661081] ? zap_class+0x640/0x640 [ 744.664807] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 744.669576] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 744.674187] ? lock_acquire+0x1ed/0x520 [ 744.678181] ? worker_thread+0x3e0/0x1390 [ 744.682349] ? kasan_check_read+0x11/0x20 [ 744.686497] ? do_raw_spin_lock+0x14f/0x350 [ 744.690819] ? kasan_check_read+0x11/0x20 [ 744.694974] ? rwlock_bug.part.2+0x90/0x90 [ 744.699219] ? trace_hardirqs_on+0x310/0x310 [ 744.703641] worker_thread+0x17f/0x1390 [ 744.707621] ? __switch_to_asm+0x34/0x70 [ 744.711706] ? process_one_work+0x1c40/0x1c40 [ 744.716221] ? __sched_text_start+0x8/0x8 [ 744.720718] ? __kthread_parkme+0xce/0x1a0 [ 744.724955] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 744.730062] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 744.735184] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 744.739772] ? trace_hardirqs_on+0xbd/0x310 [ 744.744094] ? kasan_check_read+0x11/0x20 [ 744.748249] ? __kthread_parkme+0xce/0x1a0 [ 744.752486] ? trace_hardirqs_off_caller+0x310/0x310 [ 744.757607] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 744.762711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 744.768261] ? __kthread_parkme+0xfb/0x1a0 [ 744.772505] ? process_one_work+0x1c40/0x1c40 [ 744.777006] kthread+0x35a/0x440 [ 744.780376] ? kthread_stop+0x900/0x900 [ 744.784354] ret_from_fork+0x3a/0x50 [ 744.788083] warn_alloc_show_mem: 1 callbacks suppressed [ 744.788093] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 744.788095] Mem-Info: [ 744.788124] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 744.788124] active_file:32 inactive_file:0 isolated_file:0 [ 744.788124] unevictable:0 dirty:0 writeback:0 unstable:0 [ 744.788124] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 744.788124] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 744.788124] free:13730 free_pcp:227 free_cma:0 [ 744.793485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 744.793493] Call Trace: [ 744.800515] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 744.802915] [ 744.836151] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 744.845517] dump_stack+0x244/0x39d [ 744.848077] lowmem_reserve[]: 0 2818 6321 6321 [ 744.875926] ? dump_stack_print_info.cold.1+0x20/0x20 [ 744.878051] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 744.904188] warn_alloc.cold.116+0xb7/0x1bd [ 744.907771] lowmem_reserve[]: 0 0 3503 3503 [ 744.912359] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 744.917523] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 744.945301] ? lock_downgrade+0x900/0x900 [ 744.949592] lowmem_reserve[]: 0 0 0 0 [ 744.953920] ? trace_hardirqs_off+0xb8/0x310 [ 744.958733] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 744.987802] ? trace_hardirqs_off+0xb8/0x310 [ 744.991921] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 744.995735] __alloc_pages_slowpath+0x26e8/0x2e10 [ 745.000115] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 745.013677] ? warn_alloc+0x120/0x120 [ 745.018057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 745.033096] ? warn_alloc+0x120/0x120 [ 745.037923] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 745.052048] ? __lock_acquire+0x62f/0x4c20 [ 745.055826] 6658 total pagecache pages [ 745.064654] ? warn_alloc+0x120/0x120 [ 745.068444] 0 pages in swap cache [ 745.077007] ? print_usage_bug+0xc0/0xc0 [ 745.081225] Swap cache stats: add 0, delete 0, find 0/0 [ 745.085103] ? print_usage_bug+0xc0/0xc0 [ 745.088885] Free swap = 0kB [ 745.092335] ? mark_held_locks+0x130/0x130 [ 745.096372] Total swap = 0kB [ 745.096380] 1965979 pages RAM [ 745.101738] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 745.105779] 0 pages HighMem/MovableOnly [ 745.108797] ? should_fail+0x22d/0xd01 [ 745.113009] 342853 pages reserved [ 745.116020] ? zap_class+0x640/0x640 [ 745.119102] 0 pages cma reserved [ 745.124918] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 745.128992] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 745.132756] ? __lock_acquire+0x62f/0x4c20 [ 745.136188] kworker/1:0 cpuset=/ mems_allowed=0 [ 745.139896] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 745.172630] ? should_fail+0x22d/0xd01 [ 745.176532] ? mark_held_locks+0x130/0x130 [ 745.180769] ? mark_held_locks+0x130/0x130 [ 745.185004] ? lock_downgrade+0x900/0x900 [ 745.189173] ? zap_class+0x640/0x640 [ 745.192889] ? zap_class+0x640/0x640 [ 745.196605] ? zap_class+0x640/0x640 [ 745.200365] ? do_raw_spin_unlock+0xa7/0x330 [ 745.204776] ? trace_hardirqs_on+0x310/0x310 [ 745.209186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.214725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.220611] ? check_preemption_disabled+0x48/0x280 [ 745.225640] ? __lock_is_held+0xb5/0x140 [ 745.229712] __alloc_pages_nodemask+0xa80/0xde0 [ 745.234383] ? zap_class+0x640/0x640 [ 745.238102] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 745.243172] ? find_held_lock+0x36/0x1c0 [ 745.247251] ? ____cache_alloc_node+0x1c7/0x1e0 [ 745.251923] ? lock_downgrade+0x900/0x900 [ 745.256082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.261626] cache_grow_begin+0xa5/0x8c0 [ 745.265693] ? do_raw_spin_unlock+0xa7/0x330 [ 745.270109] fallback_alloc+0x204/0x2e0 [ 745.274107] ____cache_alloc_node+0x1c7/0x1e0 [ 745.278722] kmem_cache_alloc_node+0xe3/0x730 [ 745.283221] ? lockdep_hardirqs_on+0x296/0x5b0 [ 745.287814] __alloc_skb+0x119/0x770 [ 745.291529] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 745.296902] ? netdev_alloc_frag+0x1f0/0x1f0 [ 745.301321] ? vprintk_default+0x28/0x30 [ 745.305382] ? vprintk_func+0x85/0x181 [ 745.309270] ? printk+0xa7/0xcf [ 745.312550] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 745.317319] new_skb+0x26/0x1c0 [ 745.320912] aoecmd_cfg+0x279/0x7f0 [ 745.324542] ? find_held_lock+0x36/0x1c0 [ 745.328608] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 745.332936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.338488] ? __lock_is_held+0xb5/0x140 [ 745.342560] discover_timer+0x50/0x60 [ 745.346362] call_timer_fn+0x272/0x920 [ 745.350252] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 745.355097] ? process_timeout+0x40/0x40 [ 745.359185] ? mark_held_locks+0xc7/0x130 [ 745.363336] ? _raw_spin_unlock_irq+0x27/0x80 [ 745.368108] ? _raw_spin_unlock_irq+0x27/0x80 [ 745.372621] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 745.377471] ? lockdep_hardirqs_on+0x296/0x5b0 [ 745.382058] ? trace_hardirqs_on+0xbd/0x310 [ 745.386386] ? kasan_check_read+0x11/0x20 [ 745.390538] ? __run_timers+0x7da/0xc70 [ 745.394522] ? trace_hardirqs_off_caller+0x310/0x310 [ 745.399642] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 745.404486] __run_timers+0x7e5/0xc70 [ 745.408301] ? timer_fixup_init+0x70/0x70 [ 745.412457] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 745.417480] ? zap_class+0x640/0x640 [ 745.421705] ? print_usage_bug+0xc0/0xc0 [ 745.425779] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 745.430988] ? find_held_lock+0x36/0x1c0 [ 745.435059] ? zap_class+0x640/0x640 [ 745.438783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.444327] ? check_preemption_disabled+0x48/0x280 [ 745.449355] ? __lock_is_held+0xb5/0x140 [ 745.453420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.458957] ? check_preemption_disabled+0x48/0x280 [ 745.463982] run_timer_softirq+0x52/0xb0 [ 745.468045] ? rcu_read_lock_sched_held+0x14f/0x180 [ 745.473069] __do_softirq+0x308/0xb7e [ 745.476875] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 745.481369] ? lock_downgrade+0x900/0x900 [ 745.485527] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 745.490648] ? pvclock_read_flags+0x160/0x160 [ 745.495166] ? lapic_next_event+0x5a/0x90 [ 745.499319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.504866] ? kvm_clock_read+0x18/0x30 [ 745.508839] ? kvm_sched_clock_read+0x9/0x20 [ 745.513246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.518780] ? check_preemption_disabled+0x48/0x280 [ 745.524095] irq_exit+0x17f/0x1c0 [ 745.527566] smp_apic_timer_interrupt+0x1cb/0x760 [ 745.532406] ? smp_reschedule_interrupt+0x109/0x650 [ 745.537423] ? smp_call_function_single_interrupt+0x650/0x650 [ 745.543301] ? interrupt_entry+0xb5/0xc0 [ 745.547363] ? trace_hardirqs_off_caller+0xbb/0x310 [ 745.552398] ? trace_hardirqs_off_caller+0xbb/0x310 [ 745.557414] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 745.562250] ? trace_hardirqs_on_caller+0x310/0x310 [ 745.567263] ? trace_hardirqs_on_caller+0x310/0x310 [ 745.572290] ? task_prio+0x50/0x50 [ 745.575825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.581358] ? check_preemption_disabled+0x48/0x280 [ 745.586464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 745.591314] apic_timer_interrupt+0xf/0x20 [ 745.595539] [ 745.597771] RIP: 0010:console_unlock+0x102f/0x1190 [ 745.602692] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 745.621843] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 745.629540] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 745.636800] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 745.644062] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 745.651324] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 745.658581] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 745.666325] ? netconsole_netdev_event+0x280/0x280 [ 745.671249] ? console_unlock+0x1026/0x1190 [ 745.675583] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 745.680239] ? vprintk_emit+0x846/0x990 [ 745.684207] ? lock_release+0xa00/0xa00 [ 745.688177] ? trace_hardirqs_on+0x70/0x310 [ 745.692491] ? vprintk_default+0x28/0x30 [ 745.696629] ? trace_hardirqs_off_caller+0x310/0x310 [ 745.701725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.707261] vprintk_emit+0x391/0x990 [ 745.711060] ? wake_up_klogd+0x180/0x180 [ 745.715135] ? find_held_lock+0x11/0x1c0 [ 745.719202] ? mark_held_locks+0xc7/0x130 [ 745.723639] ? _raw_spin_unlock_irq+0x27/0x80 [ 745.728140] ? _raw_spin_unlock_irq+0x27/0x80 [ 745.732634] vprintk_default+0x28/0x30 [ 745.736521] vprintk_func+0x7e/0x181 [ 745.740230] printk+0xa7/0xcf [ 745.743335] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 745.748164] ? _raw_spin_unlock_irq+0x60/0x80 [ 745.752663] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 745.757940] dump_header+0x7cc/0xf72 [ 745.761655] ? pagefault_out_of_memory+0x197/0x197 [ 745.766595] ? __lock_acquire+0x62f/0x4c20 [ 745.770822] ? print_usage_bug+0xc0/0xc0 [ 745.774892] ? zap_class+0x640/0x640 [ 745.778600] ? zap_class+0x640/0x640 [ 745.782312] ? print_usage_bug+0xc0/0xc0 [ 745.786373] ? print_usage_bug+0xc0/0xc0 [ 745.790439] ? find_held_lock+0x36/0x1c0 [ 745.794500] ? mark_held_locks+0xc7/0x130 [ 745.798660] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 745.803758] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 745.808857] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 745.813435] ? trace_hardirqs_on+0xbd/0x310 [ 745.817760] ? kasan_check_read+0x11/0x20 [ 745.822156] ? ___ratelimit+0x3b4/0x672 [ 745.826138] ? trace_hardirqs_off_caller+0x310/0x310 [ 745.831457] ? trace_hardirqs_on+0x310/0x310 [ 745.835863] ? lock_downgrade+0x900/0x900 [ 745.840012] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 745.845126] ? ___ratelimit+0x3b9/0x672 [ 745.849097] ? idr_get_free+0xf70/0xf70 [ 745.853080] ? kasan_check_read+0x11/0x20 [ 745.857225] ? do_raw_spin_unlock+0xa7/0x330 [ 745.861636] oom_kill_process.cold.27+0x10/0x903 [ 745.866390] ? zap_class+0x640/0x640 [ 745.870095] ? _raw_spin_unlock+0x2c/0x50 [ 745.874251] ? oom_badness+0xe6/0xaa0 [ 745.878051] ? oom_evaluate_task+0x540/0x540 [ 745.882541] ? find_held_lock+0x36/0x1c0 [ 745.886602] ? out_of_memory+0x974/0x1430 [ 745.890747] ? lock_downgrade+0x900/0x900 [ 745.894891] ? check_preemption_disabled+0x48/0x280 [ 745.899904] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 745.904829] ? kasan_check_read+0x11/0x20 [ 745.908975] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 745.914242] ? rcu_softirq_qs+0x20/0x20 [ 745.918217] ? kasan_check_write+0x14/0x20 [ 745.922823] ? oom_evaluate_task+0x302/0x540 [ 745.927234] out_of_memory+0xa84/0x1430 [ 745.931211] ? oom_killer_disable+0x3a0/0x3a0 [ 745.935698] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 745.940623] ? __ww_mutex_check_waiters+0x160/0x160 [ 745.945638] __alloc_pages_slowpath+0x2354/0x2e10 [ 745.950509] ? warn_alloc+0x120/0x120 [ 745.954301] ? mark_held_locks+0x130/0x130 [ 745.958533] ? find_get_entry+0xaae/0x1120 [ 745.962869] ? filemap_map_pages+0x1a20/0x1a20 [ 745.967448] ? zap_class+0x640/0x640 [ 745.971161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.976695] ? check_preemption_disabled+0x48/0x280 [ 745.981721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 745.987336] ? should_fail+0x22d/0xd01 [ 745.991227] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 745.996331] ? zap_class+0x640/0x640 [ 746.000069] ? __lock_is_held+0xb5/0x140 [ 746.004235] ? mark_held_locks+0x130/0x130 [ 746.008473] ? lock_release+0xa00/0xa00 [ 746.012441] ? perf_trace_sched_process_exec+0x860/0x860 [ 746.017887] ? xa_load+0x2ba/0x460 [ 746.021702] ? lock_downgrade+0x900/0x900 [ 746.025884] ? __might_sleep+0x95/0x190 [ 746.029857] __alloc_pages_nodemask+0xa80/0xde0 [ 746.034525] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 746.039551] ? __page_cache_alloc+0x191/0x5c0 [ 746.044044] ? xa_load+0x2e1/0x460 [ 746.047582] ? xa_clear_mark+0x40/0x40 [ 746.051465] ? zap_class+0x640/0x640 [ 746.055179] ? zap_class+0x640/0x640 [ 746.058999] ? zap_class+0x640/0x640 [ 746.062705] ? __do_page_cache_readahead+0x663/0x810 [ 746.067822] ? find_held_lock+0x36/0x1c0 [ 746.071885] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 746.077426] alloc_pages_current+0x173/0x350 [ 746.081833] __page_cache_alloc+0x38c/0x5c0 [ 746.086247] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 746.091170] ? kasan_check_read+0x11/0x20 [ 746.095310] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 746.100584] ? generic_perform_write+0x6a0/0x6a0 [ 746.105334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 746.110864] ? check_preemption_disabled+0x48/0x280 [ 746.116058] filemap_fault+0x1595/0x25f0 [ 746.120419] ? __lock_page_or_retry+0xa00/0xa00 [ 746.125082] ? mark_held_locks+0x130/0x130 [ 746.129324] ? filemap_map_pages+0xd6b/0x1a20 [ 746.133829] ? lock_downgrade+0x900/0x900 [ 746.137968] ? check_preemption_disabled+0x48/0x280 [ 746.142981] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 746.147901] ? kasan_check_read+0x11/0x20 [ 746.152038] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 746.157302] ? rcu_softirq_qs+0x20/0x20 [ 746.161276] ? filemap_map_pages+0xd92/0x1a20 [ 746.165770] ? find_get_entries_tag+0x1400/0x1400 [ 746.170604] ? futex_wake+0x760/0x760 [ 746.174433] ? lock_acquire+0x1ed/0x520 [ 746.178395] ? ext4_filemap_fault+0x7a/0xad [ 746.182713] ? lock_release+0xa00/0xa00 [ 746.186682] ? perf_trace_sched_process_exec+0x860/0x860 [ 746.192145] ? print_usage_bug+0xc0/0xc0 [ 746.196201] ? print_usage_bug+0xc0/0xc0 [ 746.200284] ? down_read+0x8d/0x120 [ 746.203903] ? ext4_filemap_fault+0x7a/0xad [ 746.208222] ? __down_interruptible+0x700/0x700 [ 746.212898] ext4_filemap_fault+0x82/0xad [ 746.217056] __do_fault+0x100/0x6b0 [ 746.220991] ? pmd_devmap_trans_unstable+0x220/0x220 [ 746.226120] ? mark_held_locks+0x130/0x130 [ 746.230349] ? mark_held_locks+0x130/0x130 [ 746.234577] ? __might_fault+0x12b/0x1e0 [ 746.238635] ? lock_downgrade+0x900/0x900 [ 746.242798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 746.248331] __handle_mm_fault+0x3ea0/0x5be0 [ 746.252740] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 746.257580] ? kasan_check_read+0x11/0x20 [ 746.261719] ? _copy_to_user+0xc8/0x110 [ 746.265688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 746.271226] ? zap_class+0x640/0x640 [ 746.274930] ? zap_class+0x640/0x640 [ 746.278641] ? find_held_lock+0x36/0x1c0 [ 746.282816] ? handle_mm_fault+0x42a/0xc70 [ 746.287045] ? lock_downgrade+0x900/0x900 [ 746.291203] ? check_preemption_disabled+0x48/0x280 [ 746.296218] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 746.301137] ? kasan_check_read+0x11/0x20 [ 746.305274] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 746.310539] ? rcu_softirq_qs+0x20/0x20 [ 746.314505] ? trace_hardirqs_off_caller+0x310/0x310 [ 746.319859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 746.325391] ? check_preemption_disabled+0x48/0x280 [ 746.330410] handle_mm_fault+0x54f/0xc70 [ 746.334469] ? __handle_mm_fault+0x5be0/0x5be0 [ 746.339044] ? find_vma+0x34/0x190 [ 746.342596] __do_page_fault+0x5e8/0xe60 [ 746.346661] ? trace_hardirqs_off+0xb8/0x310 [ 746.351074] do_page_fault+0xf2/0x7e0 [ 746.354881] ? vmalloc_sync_all+0x30/0x30 [ 746.359028] ? error_entry+0x70/0xd0 [ 746.362743] ? trace_hardirqs_off_caller+0xbb/0x310 [ 746.367755] ? trace_hardirqs_on_caller+0xc0/0x310 [ 746.372678] ? syscall_return_slowpath+0x5e0/0x5e0 [ 746.377596] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 746.382436] ? trace_hardirqs_on_caller+0x310/0x310 [ 746.387445] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 746.392894] ? prepare_exit_to_usermode+0x291/0x3b0 [ 746.397900] ? page_fault+0x8/0x30 [ 746.401436] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 746.406364] ? page_fault+0x8/0x30 [ 746.410005] page_fault+0x1e/0x30 [ 746.413453] RIP: 0033:0x407e06 [ 746.416655] Code: Bad RIP value. [ 746.420325] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 746.425677] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 746.432932] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 746.440193] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 746.447453] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 746.454714] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 746.462020] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 746.462079] aoe: skb alloc failure [ 746.468941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 746.468957] Workqueue: events_power_efficient neigh_periodic_work [ 746.472517] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 746.481798] Call Trace: [ 746.488006] syz-fuzzer cpuset=/ mems_allowed=0 [ 746.498204] [ 746.507496] dump_stack+0x244/0x39d [ 746.511120] ? dump_stack_print_info.cold.1+0x20/0x20 [ 746.516333] warn_alloc.cold.116+0xb7/0x1bd [ 746.521134] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 746.525974] ? lock_downgrade+0x900/0x900 [ 746.530127] ? trace_hardirqs_off+0xb8/0x310 [ 746.534539] ? trace_hardirqs_off+0xb8/0x310 [ 746.538950] __alloc_pages_slowpath+0x26e8/0x2e10 [ 746.543812] ? warn_alloc+0x120/0x120 [ 746.547698] ? warn_alloc+0x120/0x120 [ 746.551496] ? warn_alloc+0x120/0x120 [ 746.555295] ? print_usage_bug+0xc0/0xc0 [ 746.559441] ? print_usage_bug+0xc0/0xc0 [ 746.563496] ? ktime_get+0x2c1/0x400 [ 746.567206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.572742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 746.578275] ? should_fail+0x22d/0xd01 [ 746.582156] ? print_usage_bug+0xc0/0xc0 [ 746.586318] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 746.591414] ? __lock_acquire+0x62f/0x4c20 [ 746.595646] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 746.600741] ? __lock_acquire+0x62f/0x4c20 [ 746.604968] ? should_fail+0x22d/0xd01 [ 746.608859] ? mark_held_locks+0x130/0x130 [ 746.613103] ? mark_held_locks+0x130/0x130 [ 746.617330] ? check_preemption_disabled+0x48/0x280 [ 746.622858] ? zap_class+0x640/0x640 [ 746.626563] ? print_usage_bug+0xc0/0xc0 [ 746.630619] ? mark_held_locks+0x130/0x130 [ 746.634849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.640380] ? check_preemption_disabled+0x48/0x280 [ 746.645411] ? __lock_is_held+0xb5/0x140 [ 746.649470] __alloc_pages_nodemask+0xa80/0xde0 [ 746.654135] ? zap_class+0x640/0x640 [ 746.657845] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 746.663141] ? find_held_lock+0x36/0x1c0 [ 746.667210] ? ____cache_alloc_node+0x1c7/0x1e0 [ 746.671878] ? lock_downgrade+0x900/0x900 [ 746.676028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.681560] cache_grow_begin+0xa5/0x8c0 [ 746.685617] ? do_raw_spin_unlock+0xa7/0x330 [ 746.690027] fallback_alloc+0x204/0x2e0 [ 746.694024] ____cache_alloc_node+0x1c7/0x1e0 [ 746.698522] kmem_cache_alloc_node+0xe3/0x730 [ 746.703111] ? ipv6_get_ifaddr+0x42e/0x620 [ 746.707360] __alloc_skb+0x119/0x770 [ 746.711065] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 746.716348] ? netdev_alloc_frag+0x1f0/0x1f0 [ 746.721213] ? lock_downgrade+0x900/0x900 [ 746.725362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.730895] ? refcount_sub_and_test_checked+0x203/0x310 [ 746.736348] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 746.741806] ? addrconf_rs_timer+0x690/0x690 [ 746.746220] ndisc_alloc_skb+0x144/0x340 [ 746.750281] ndisc_send_rs+0x331/0x6e0 [ 746.754168] addrconf_rs_timer+0x314/0x690 [ 746.758405] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 746.762644] call_timer_fn+0x272/0x920 [ 746.766523] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 746.770759] ? process_timeout+0x40/0x40 [ 746.774826] ? mark_held_locks+0xc7/0x130 [ 746.778970] ? _raw_spin_unlock_irq+0x27/0x80 [ 746.783472] ? _raw_spin_unlock_irq+0x27/0x80 [ 746.787958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 746.792185] ? lockdep_hardirqs_on+0x296/0x5b0 [ 746.796764] ? trace_hardirqs_on+0xbd/0x310 [ 746.801086] ? kasan_check_read+0x11/0x20 [ 746.805224] ? __run_timers+0x7da/0xc70 [ 746.809196] ? trace_hardirqs_off_caller+0x310/0x310 [ 746.814299] ? br_mdb_free+0x80/0x80 [ 746.818012] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 746.822505] __run_timers+0x7e5/0xc70 [ 746.826311] ? timer_fixup_init+0x70/0x70 [ 746.830449] ? lock_downgrade+0x900/0x900 [ 746.834596] ? zap_class+0x640/0x640 [ 746.838313] ? print_usage_bug+0xc0/0xc0 [ 746.842369] ? trace_hardirqs_on+0x310/0x310 [ 746.846957] ? kvm_clock_read+0x18/0x30 [ 746.850924] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 746.855932] ? ktime_get+0x2c1/0x400 [ 746.859640] ? zap_class+0x640/0x640 [ 746.863353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.868897] ? check_preemption_disabled+0x48/0x280 [ 746.873916] ? __lock_is_held+0xb5/0x140 [ 746.877972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.883502] ? check_preemption_disabled+0x48/0x280 [ 746.888520] run_timer_softirq+0x52/0xb0 [ 746.892575] ? rcu_read_lock_sched_held+0x14f/0x180 [ 746.897593] __do_softirq+0x308/0xb7e [ 746.901402] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 746.906497] ? irq_exit+0xbd/0x1c0 [ 746.910032] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 746.915045] ? smp_reschedule_interrupt+0x109/0x650 [ 746.920510] ? smp_call_function_single_interrupt+0x650/0x650 [ 746.926392] ? ret_from_intr+0xb/0x1e [ 746.930190] ? trace_hardirqs_off_caller+0xbb/0x310 [ 746.935207] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 746.940042] ? trace_hardirqs_on_caller+0x310/0x310 [ 746.945058] ? task_prio+0x50/0x50 [ 746.948610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.954144] ? check_preemption_disabled+0x48/0x280 [ 746.959158] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 746.963997] ? neigh_periodic_work+0x6bd/0xc60 [ 746.968578] do_softirq_own_stack+0x2a/0x40 [ 746.972893] [ 746.975145] do_softirq.part.14+0x126/0x160 [ 746.979463] __local_bh_enable_ip+0x21d/0x260 [ 746.983971] _raw_write_unlock_bh+0x30/0x40 [ 746.988284] neigh_periodic_work+0x6bd/0xc60 [ 746.992692] ? neigh_table_clear+0x390/0x390 [ 746.997103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.002641] ? check_preemption_disabled+0x48/0x280 [ 747.007662] ? __lock_is_held+0xb5/0x140 [ 747.011727] process_one_work+0xc90/0x1c40 [ 747.015954] ? mark_held_locks+0x130/0x130 [ 747.020689] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 747.025372] ? __switch_to_asm+0x40/0x70 [ 747.029433] ? __switch_to_asm+0x40/0x70 [ 747.033486] ? __switch_to_asm+0x34/0x70 [ 747.037537] ? __switch_to_asm+0x40/0x70 [ 747.041602] ? __switch_to_asm+0x34/0x70 [ 747.045655] ? __switch_to_asm+0x40/0x70 [ 747.049708] ? __switch_to_asm+0x34/0x70 [ 747.053757] ? __switch_to_asm+0x40/0x70 [ 747.057815] ? __schedule+0x8d7/0x21d0 [ 747.061695] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 747.066300] ? zap_class+0x640/0x640 [ 747.070010] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 747.074763] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 747.079350] ? lock_acquire+0x1ed/0x520 [ 747.083318] ? worker_thread+0x3e0/0x1390 [ 747.087467] ? kasan_check_read+0x11/0x20 [ 747.091617] ? do_raw_spin_lock+0x14f/0x350 [ 747.095932] ? kasan_check_read+0x11/0x20 [ 747.100080] ? rwlock_bug.part.2+0x90/0x90 [ 747.104307] ? trace_hardirqs_on+0x310/0x310 [ 747.108744] worker_thread+0x17f/0x1390 [ 747.112712] ? __switch_to_asm+0x34/0x70 [ 747.116964] ? process_one_work+0x1c40/0x1c40 [ 747.122005] ? __sched_text_start+0x8/0x8 [ 747.126169] ? __kthread_parkme+0xce/0x1a0 [ 747.130398] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 747.135590] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 747.140690] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 747.145271] ? trace_hardirqs_on+0xbd/0x310 [ 747.149597] ? kasan_check_read+0x11/0x20 [ 747.153739] ? __kthread_parkme+0xce/0x1a0 [ 747.158049] ? trace_hardirqs_off_caller+0x310/0x310 [ 747.163160] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 747.168258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 747.173791] ? __kthread_parkme+0xfb/0x1a0 [ 747.178023] ? process_one_work+0x1c40/0x1c40 [ 747.182510] kthread+0x35a/0x440 [ 747.185874] ? kthread_stop+0x900/0x900 [ 747.189847] ret_from_fork+0x3a/0x50 [ 747.193591] warn_alloc_show_mem: 1 callbacks suppressed [ 747.193600] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 747.193602] Mem-Info: [ 747.193631] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 747.193631] active_file:32 inactive_file:0 isolated_file:0 [ 747.193631] unevictable:0 dirty:0 writeback:0 unstable:0 [ 747.193631] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 747.193631] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 747.193631] free:13730 free_pcp:227 free_cma:0 [ 747.198965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 747.205984] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 747.208370] Call Trace: [ 747.241752] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 747.251093] [ 747.278905] lowmem_reserve[]: 0 2818 6321 6321 [ 747.281505] dump_stack+0x244/0x39d [ 747.307576] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 747.309716] ? dump_stack_print_info.cold.1+0x20/0x20 [ 747.314258] lowmem_reserve[]: 0 0 3503 3503 [ 747.317874] warn_alloc.cold.116+0xb7/0x1bd [ 747.345562] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 747.350740] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 747.355031] lowmem_reserve[]: 0 0 0 0 [ 747.359348] ? lock_downgrade+0x900/0x900 [ 747.388462] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 747.393299] ? trace_hardirqs_off+0xb8/0x310 [ 747.397073] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 747.401220] ? trace_hardirqs_off+0xb8/0x310 [ 747.414709] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 747.419255] __alloc_pages_slowpath+0x26e8/0x2e10 [ 747.434198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 747.438616] ? warn_alloc+0x120/0x120 [ 747.452698] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 747.457523] ? warn_alloc+0x120/0x120 [ 747.466325] 6658 total pagecache pages [ 747.470110] ? warn_alloc+0x120/0x120 [ 747.478658] 0 pages in swap cache [ 747.482439] ? print_usage_bug+0xc0/0xc0 [ 747.486297] Swap cache stats: add 0, delete 0, find 0/0 [ 747.490088] ? print_usage_bug+0xc0/0xc0 [ 747.493509] Free swap = 0kB [ 747.497553] ? ktime_get+0x2c1/0x400 [ 747.502890] Total swap = 0kB [ 747.506941] ? check_preemption_disabled+0x48/0x280 [ 747.509927] 1965979 pages RAM [ 747.513625] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 747.516616] 0 pages HighMem/MovableOnly [ 747.521861] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 747.524934] 342853 pages reserved [ 747.529416] ? should_fail+0x22d/0xd01 [ 747.533359] 0 pages cma reserved [ 747.538877] ? kasan_check_read+0x11/0x20 [ 747.542364] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 747.546182] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 747.549633] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 747.553653] ? __lock_acquire+0x62f/0x4c20 [ 747.560116] kworker/1:0 cpuset=/ mems_allowed=0 [ 747.565227] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 747.589484] ? should_fail+0x22d/0xd01 [ 747.593364] ? print_usage_bug+0xc0/0xc0 [ 747.597437] ? mark_held_locks+0x130/0x130 [ 747.601672] ? mark_held_locks+0x130/0x130 [ 747.605902] ? check_preemption_disabled+0x48/0x280 [ 747.610922] ? zap_class+0x640/0x640 [ 747.614633] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 747.619551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.625093] ? check_preemption_disabled+0x48/0x280 [ 747.630111] ? __lock_is_held+0xb5/0x140 [ 747.634171] __alloc_pages_nodemask+0xa80/0xde0 [ 747.638827] ? zap_class+0x640/0x640 [ 747.642537] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 747.647567] ? find_held_lock+0x36/0x1c0 [ 747.651627] ? ____cache_alloc_node+0x1c7/0x1e0 [ 747.656290] ? lock_downgrade+0x900/0x900 [ 747.660899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.666437] cache_grow_begin+0xa5/0x8c0 [ 747.670492] ? do_raw_spin_unlock+0xa7/0x330 [ 747.674904] fallback_alloc+0x204/0x2e0 [ 747.678894] ____cache_alloc_node+0x1c7/0x1e0 [ 747.683385] kmem_cache_alloc_node+0xe3/0x730 [ 747.687876] ? lockdep_hardirqs_on+0x296/0x5b0 [ 747.692460] __alloc_skb+0x119/0x770 [ 747.696163] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 747.701522] ? netdev_alloc_frag+0x1f0/0x1f0 [ 747.705947] ? vprintk_default+0x28/0x30 [ 747.710004] ? vprintk_func+0x85/0x181 [ 747.713882] ? printk+0xa7/0xcf [ 747.717155] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 747.722140] new_skb+0x26/0x1c0 [ 747.725412] aoecmd_cfg+0x279/0x7f0 [ 747.729045] ? find_held_lock+0x36/0x1c0 [ 747.733138] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 747.737458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.743021] ? __lock_is_held+0xb5/0x140 [ 747.747106] discover_timer+0x50/0x60 [ 747.750901] call_timer_fn+0x272/0x920 [ 747.754784] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 747.759636] ? process_timeout+0x40/0x40 [ 747.763722] ? mark_held_locks+0xc7/0x130 [ 747.767869] ? _raw_spin_unlock_irq+0x27/0x80 [ 747.772375] ? _raw_spin_unlock_irq+0x27/0x80 [ 747.776865] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 747.781808] ? lockdep_hardirqs_on+0x296/0x5b0 [ 747.786385] ? trace_hardirqs_on+0xbd/0x310 [ 747.790698] ? kasan_check_read+0x11/0x20 [ 747.794835] ? __run_timers+0x7da/0xc70 [ 747.798817] ? trace_hardirqs_off_caller+0x310/0x310 [ 747.803926] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 747.808764] __run_timers+0x7e5/0xc70 [ 747.812570] ? timer_fixup_init+0x70/0x70 [ 747.816715] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 747.822003] ? zap_class+0x640/0x640 [ 747.825711] ? print_usage_bug+0xc0/0xc0 [ 747.830034] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 747.835242] ? find_held_lock+0x36/0x1c0 [ 747.839302] ? zap_class+0x640/0x640 [ 747.843019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.848559] ? check_preemption_disabled+0x48/0x280 [ 747.853598] ? __lock_is_held+0xb5/0x140 [ 747.857653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.863186] ? check_preemption_disabled+0x48/0x280 [ 747.868302] run_timer_softirq+0x52/0xb0 [ 747.872443] ? rcu_read_lock_sched_held+0x14f/0x180 [ 747.877454] __do_softirq+0x308/0xb7e [ 747.881252] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 747.885734] ? lock_downgrade+0x900/0x900 [ 747.889877] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 747.894979] ? pvclock_read_flags+0x160/0x160 [ 747.899468] ? lapic_next_event+0x5a/0x90 [ 747.903610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.909144] ? kvm_clock_read+0x18/0x30 [ 747.913126] ? kvm_sched_clock_read+0x9/0x20 [ 747.917528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.923292] ? check_preemption_disabled+0x48/0x280 [ 747.928311] irq_exit+0x17f/0x1c0 [ 747.931757] smp_apic_timer_interrupt+0x1cb/0x760 [ 747.936585] ? smp_reschedule_interrupt+0x109/0x650 [ 747.941591] ? smp_call_function_single_interrupt+0x650/0x650 [ 747.947464] ? interrupt_entry+0xb5/0xc0 [ 747.951522] ? trace_hardirqs_off_caller+0xbb/0x310 [ 747.956525] ? trace_hardirqs_off_caller+0xbb/0x310 [ 747.961536] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 747.966372] ? trace_hardirqs_on_caller+0x310/0x310 [ 747.971387] ? trace_hardirqs_on_caller+0x310/0x310 [ 747.976412] ? task_prio+0x50/0x50 [ 747.979965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.985499] ? check_preemption_disabled+0x48/0x280 [ 747.990510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 747.995365] apic_timer_interrupt+0xf/0x20 [ 747.999586] [ 748.001818] RIP: 0010:console_unlock+0x102f/0x1190 [ 748.006739] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 748.025876] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 748.033577] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 748.040839] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 748.048123] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 748.055397] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 748.062657] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 748.069928] ? netconsole_netdev_event+0x280/0x280 [ 748.074862] ? console_unlock+0x1026/0x1190 [ 748.079198] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 748.083860] ? vprintk_emit+0x846/0x990 [ 748.087830] ? lock_release+0xa00/0xa00 [ 748.091799] ? trace_hardirqs_on+0x70/0x310 [ 748.096121] ? vprintk_default+0x28/0x30 [ 748.100276] ? trace_hardirqs_off_caller+0x310/0x310 [ 748.105376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 748.110922] vprintk_emit+0x391/0x990 [ 748.114730] ? wake_up_klogd+0x180/0x180 [ 748.118788] ? find_held_lock+0x11/0x1c0 [ 748.123098] ? mark_held_locks+0xc7/0x130 [ 748.127244] ? _raw_spin_unlock_irq+0x27/0x80 [ 748.131727] ? _raw_spin_unlock_irq+0x27/0x80 [ 748.136216] vprintk_default+0x28/0x30 [ 748.140094] vprintk_func+0x7e/0x181 [ 748.143884] printk+0xa7/0xcf [ 748.146980] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 748.151730] ? _raw_spin_unlock_irq+0x60/0x80 [ 748.156234] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 748.161510] dump_header+0x7cc/0xf72 [ 748.165228] ? pagefault_out_of_memory+0x197/0x197 [ 748.170159] ? __lock_acquire+0x62f/0x4c20 [ 748.174387] ? print_usage_bug+0xc0/0xc0 [ 748.178444] ? zap_class+0x640/0x640 [ 748.182149] ? zap_class+0x640/0x640 [ 748.185858] ? print_usage_bug+0xc0/0xc0 [ 748.189911] ? print_usage_bug+0xc0/0xc0 [ 748.193974] ? find_held_lock+0x36/0x1c0 [ 748.198048] ? mark_held_locks+0xc7/0x130 [ 748.202196] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 748.207293] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 748.212398] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 748.216974] ? trace_hardirqs_on+0xbd/0x310 [ 748.221535] ? kasan_check_read+0x11/0x20 [ 748.225674] ? ___ratelimit+0x3b4/0x672 [ 748.229658] ? trace_hardirqs_off_caller+0x310/0x310 [ 748.234751] ? trace_hardirqs_on+0x310/0x310 [ 748.239151] ? lock_downgrade+0x900/0x900 [ 748.243296] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 748.248392] ? ___ratelimit+0x3b9/0x672 [ 748.252365] ? idr_get_free+0xf70/0xf70 [ 748.256432] ? kasan_check_read+0x11/0x20 [ 748.260574] ? do_raw_spin_unlock+0xa7/0x330 [ 748.264982] oom_kill_process.cold.27+0x10/0x903 [ 748.269734] ? zap_class+0x640/0x640 [ 748.273457] ? _raw_spin_unlock+0x2c/0x50 [ 748.277618] ? oom_badness+0xe6/0xaa0 [ 748.281418] ? oom_evaluate_task+0x540/0x540 [ 748.285816] ? find_held_lock+0x36/0x1c0 [ 748.289876] ? out_of_memory+0x974/0x1430 [ 748.294013] ? lock_downgrade+0x900/0x900 [ 748.298163] ? check_preemption_disabled+0x48/0x280 [ 748.303171] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 748.308089] ? kasan_check_read+0x11/0x20 [ 748.312228] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 748.317495] ? rcu_softirq_qs+0x20/0x20 [ 748.321692] ? kasan_check_write+0x14/0x20 [ 748.325921] ? oom_evaluate_task+0x302/0x540 [ 748.330328] out_of_memory+0xa84/0x1430 [ 748.334301] ? oom_killer_disable+0x3a0/0x3a0 [ 748.338878] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 748.343807] ? __ww_mutex_check_waiters+0x160/0x160 [ 748.348825] __alloc_pages_slowpath+0x2354/0x2e10 [ 748.353689] ? warn_alloc+0x120/0x120 [ 748.357478] ? mark_held_locks+0x130/0x130 [ 748.361707] ? find_get_entry+0xaae/0x1120 [ 748.365947] ? filemap_map_pages+0x1a20/0x1a20 [ 748.370524] ? zap_class+0x640/0x640 [ 748.374240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 748.379770] ? check_preemption_disabled+0x48/0x280 [ 748.384778] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 748.390308] ? should_fail+0x22d/0xd01 [ 748.394203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 748.399313] ? zap_class+0x640/0x640 [ 748.403138] ? __lock_is_held+0xb5/0x140 [ 748.407200] ? mark_held_locks+0x130/0x130 [ 748.411430] ? lock_release+0xa00/0xa00 [ 748.415399] ? perf_trace_sched_process_exec+0x860/0x860 [ 748.421097] ? xa_load+0x2ba/0x460 [ 748.424636] ? lock_downgrade+0x900/0x900 [ 748.428780] ? __might_sleep+0x95/0x190 [ 748.432762] __alloc_pages_nodemask+0xa80/0xde0 [ 748.437432] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 748.442441] ? __page_cache_alloc+0x191/0x5c0 [ 748.446926] ? xa_load+0x2e1/0x460 [ 748.450461] ? xa_clear_mark+0x40/0x40 [ 748.454341] ? zap_class+0x640/0x640 [ 748.458060] ? zap_class+0x640/0x640 [ 748.461771] ? zap_class+0x640/0x640 [ 748.465483] ? __do_page_cache_readahead+0x663/0x810 [ 748.470599] ? find_held_lock+0x36/0x1c0 [ 748.474657] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 748.480191] alloc_pages_current+0x173/0x350 [ 748.484598] __page_cache_alloc+0x38c/0x5c0 [ 748.488909] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 748.493920] ? kasan_check_read+0x11/0x20 [ 748.498062] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 748.503352] ? generic_perform_write+0x6a0/0x6a0 [ 748.508101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 748.513631] ? check_preemption_disabled+0x48/0x280 [ 748.518730] filemap_fault+0x1595/0x25f0 [ 748.523034] ? __lock_page_or_retry+0xa00/0xa00 [ 748.527698] ? mark_held_locks+0x130/0x130 [ 748.531937] ? filemap_map_pages+0xd6b/0x1a20 [ 748.536423] ? lock_downgrade+0x900/0x900 [ 748.540647] ? check_preemption_disabled+0x48/0x280 [ 748.545661] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 748.550593] ? kasan_check_read+0x11/0x20 [ 748.554735] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 748.560005] ? rcu_softirq_qs+0x20/0x20 [ 748.563999] ? filemap_map_pages+0xd92/0x1a20 [ 748.568509] ? find_get_entries_tag+0x1400/0x1400 [ 748.573350] ? futex_wake+0x760/0x760 [ 748.577170] ? lock_acquire+0x1ed/0x520 [ 748.581138] ? ext4_filemap_fault+0x7a/0xad [ 748.585454] ? lock_release+0xa00/0xa00 [ 748.589416] ? perf_trace_sched_process_exec+0x860/0x860 [ 748.594857] ? print_usage_bug+0xc0/0xc0 [ 748.598914] ? print_usage_bug+0xc0/0xc0 [ 748.602983] ? down_read+0x8d/0x120 [ 748.606610] ? ext4_filemap_fault+0x7a/0xad [ 748.610933] ? __down_interruptible+0x700/0x700 [ 748.615603] ext4_filemap_fault+0x82/0xad [ 748.619995] __do_fault+0x100/0x6b0 [ 748.623626] ? pmd_devmap_trans_unstable+0x220/0x220 [ 748.628722] ? mark_held_locks+0x130/0x130 [ 748.632947] ? mark_held_locks+0x130/0x130 [ 748.637172] ? __might_fault+0x12b/0x1e0 [ 748.641231] ? lock_downgrade+0x900/0x900 [ 748.645374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 748.650909] __handle_mm_fault+0x3ea0/0x5be0 [ 748.655318] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 748.660616] ? kasan_check_read+0x11/0x20 [ 748.664763] ? _copy_to_user+0xc8/0x110 [ 748.668734] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 748.674274] ? zap_class+0x640/0x640 [ 748.678077] ? zap_class+0x640/0x640 [ 748.681813] ? find_held_lock+0x36/0x1c0 [ 748.685875] ? handle_mm_fault+0x42a/0xc70 [ 748.690107] ? lock_downgrade+0x900/0x900 [ 748.694269] ? check_preemption_disabled+0x48/0x280 [ 748.699282] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 748.704205] ? kasan_check_read+0x11/0x20 [ 748.708346] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 748.713616] ? rcu_softirq_qs+0x20/0x20 [ 748.717611] ? trace_hardirqs_off_caller+0x310/0x310 [ 748.722989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 748.728544] ? check_preemption_disabled+0x48/0x280 [ 748.733560] handle_mm_fault+0x54f/0xc70 [ 748.737641] ? __handle_mm_fault+0x5be0/0x5be0 [ 748.742217] ? find_vma+0x34/0x190 [ 748.745754] __do_page_fault+0x5e8/0xe60 [ 748.749809] ? trace_hardirqs_off+0xb8/0x310 [ 748.754221] do_page_fault+0xf2/0x7e0 [ 748.758029] ? vmalloc_sync_all+0x30/0x30 [ 748.762277] ? error_entry+0x70/0xd0 [ 748.765989] ? trace_hardirqs_off_caller+0xbb/0x310 [ 748.771014] ? trace_hardirqs_on_caller+0xc0/0x310 [ 748.776036] ? syscall_return_slowpath+0x5e0/0x5e0 [ 748.780972] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 748.785804] ? trace_hardirqs_on_caller+0x310/0x310 [ 748.790808] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 748.796925] ? prepare_exit_to_usermode+0x291/0x3b0 [ 748.801931] ? page_fault+0x8/0x30 [ 748.805466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 748.810321] ? page_fault+0x8/0x30 [ 748.813852] page_fault+0x1e/0x30 [ 748.817298] RIP: 0033:0x407e06 [ 748.820763] Code: Bad RIP value. [ 748.824122] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 748.829479] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 748.836738] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 748.844026] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 748.851289] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 748.858549] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 748.865833] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 748.865890] aoe: skb alloc failure [ 748.872753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 748.872771] Workqueue: events_power_efficient neigh_periodic_work [ 748.872781] Call Trace: [ 748.876330] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 748.885639] [ 748.891847] syz-fuzzer cpuset=/ mems_allowed=0 [ 748.894424] dump_stack+0x244/0x39d [ 748.914957] ? dump_stack_print_info.cold.1+0x20/0x20 [ 748.920621] warn_alloc.cold.116+0xb7/0x1bd [ 748.924940] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 748.929787] ? lock_downgrade+0x900/0x900 [ 748.933936] ? trace_hardirqs_off+0xb8/0x310 [ 748.938348] ? trace_hardirqs_off+0xb8/0x310 [ 748.942753] __alloc_pages_slowpath+0x26e8/0x2e10 [ 748.947627] ? warn_alloc+0x120/0x120 [ 748.951421] ? print_usage_bug+0xc0/0xc0 [ 748.955477] ? warn_alloc+0x120/0x120 [ 748.959279] ? warn_alloc+0x120/0x120 [ 748.963073] ? print_usage_bug+0xc0/0xc0 [ 748.967126] ? print_usage_bug+0xc0/0xc0 [ 748.971197] ? print_usage_bug+0xc0/0xc0 [ 748.975255] ? __lock_acquire+0x62f/0x4c20 [ 748.979494] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 748.985030] ? should_fail+0x22d/0xd01 [ 748.988908] ? __lock_acquire+0x62f/0x4c20 [ 748.993152] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 748.998248] ? __lock_acquire+0x62f/0x4c20 [ 749.002477] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 749.007569] ? __lock_acquire+0x62f/0x4c20 [ 749.011796] ? should_fail+0x22d/0xd01 [ 749.015700] ? mark_held_locks+0x130/0x130 [ 749.020462] ? mark_held_locks+0x130/0x130 [ 749.024689] ? zap_class+0x640/0x640 [ 749.028395] ? zap_class+0x640/0x640 [ 749.032107] ? print_usage_bug+0xc0/0xc0 [ 749.036163] ? do_raw_spin_unlock+0xa7/0x330 [ 749.040568] ? zap_class+0x640/0x640 [ 749.044278] ? print_usage_bug+0xc0/0xc0 [ 749.048330] ? wq_watchdog_touch+0x9c/0xfe [ 749.052563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.058097] ? check_preemption_disabled+0x48/0x280 [ 749.063115] ? __lock_is_held+0xb5/0x140 [ 749.067183] __alloc_pages_nodemask+0xa80/0xde0 [ 749.071847] ? zap_class+0x640/0x640 [ 749.075562] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 749.080584] ? find_held_lock+0x36/0x1c0 [ 749.084649] ? ____cache_alloc_node+0x1c7/0x1e0 [ 749.089309] ? lock_downgrade+0x900/0x900 [ 749.093467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.099023] cache_grow_begin+0xa5/0x8c0 [ 749.103092] ? do_raw_spin_unlock+0xa7/0x330 [ 749.107498] fallback_alloc+0x204/0x2e0 [ 749.111478] ____cache_alloc_node+0x1c7/0x1e0 [ 749.115966] kmem_cache_alloc_node+0xe3/0x730 [ 749.120952] ? ipv6_get_ifaddr+0x42e/0x620 [ 749.125193] __alloc_skb+0x119/0x770 [ 749.128896] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 749.134177] ? netdev_alloc_frag+0x1f0/0x1f0 [ 749.138576] ? lock_downgrade+0x900/0x900 [ 749.142720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.148248] ? refcount_sub_and_test_checked+0x203/0x310 [ 749.153688] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 749.159125] ? addrconf_rs_timer+0x690/0x690 [ 749.163534] ndisc_alloc_skb+0x144/0x340 [ 749.167589] ndisc_send_rs+0x331/0x6e0 [ 749.171492] addrconf_rs_timer+0x314/0x690 [ 749.175731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 749.179972] call_timer_fn+0x272/0x920 [ 749.183860] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 749.188084] ? process_timeout+0x40/0x40 [ 749.192142] ? mark_held_locks+0xc7/0x130 [ 749.196291] ? _raw_spin_unlock_irq+0x27/0x80 [ 749.200783] ? _raw_spin_unlock_irq+0x27/0x80 [ 749.205267] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 749.209491] ? lockdep_hardirqs_on+0x296/0x5b0 [ 749.214071] ? trace_hardirqs_on+0xbd/0x310 [ 749.218382] ? kasan_check_read+0x11/0x20 [ 749.223025] ? __run_timers+0x7da/0xc70 [ 749.226999] ? trace_hardirqs_off_caller+0x310/0x310 [ 749.232118] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 749.236347] __run_timers+0x7e5/0xc70 [ 749.240148] ? timer_fixup_init+0x70/0x70 [ 749.244290] ? lock_downgrade+0x900/0x900 [ 749.248429] ? zap_class+0x640/0x640 [ 749.252145] ? print_usage_bug+0xc0/0xc0 [ 749.256202] ? trace_hardirqs_on+0x310/0x310 [ 749.260614] ? kvm_clock_read+0x18/0x30 [ 749.264581] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 749.269591] ? ktime_get+0x2c1/0x400 [ 749.273299] ? zap_class+0x640/0x640 [ 749.277062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.282614] ? check_preemption_disabled+0x48/0x280 [ 749.287631] ? __lock_is_held+0xb5/0x140 [ 749.291686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.297216] ? check_preemption_disabled+0x48/0x280 [ 749.302228] run_timer_softirq+0x52/0xb0 [ 749.306291] ? rcu_read_lock_sched_held+0x14f/0x180 [ 749.311307] __do_softirq+0x308/0xb7e [ 749.315123] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 749.320500] ? irq_exit+0xbd/0x1c0 [ 749.324041] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 749.329048] ? smp_reschedule_interrupt+0x109/0x650 [ 749.334070] ? smp_call_function_single_interrupt+0x650/0x650 [ 749.339950] ? ret_from_intr+0xb/0x1e [ 749.343744] ? trace_hardirqs_off_caller+0xbb/0x310 [ 749.348758] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 749.353609] ? trace_hardirqs_on_caller+0x310/0x310 [ 749.358617] ? task_prio+0x50/0x50 [ 749.362167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.367696] ? check_preemption_disabled+0x48/0x280 [ 749.372715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 749.377555] ? neigh_periodic_work+0x6bd/0xc60 [ 749.382130] do_softirq_own_stack+0x2a/0x40 [ 749.386462] [ 749.388705] do_softirq.part.14+0x126/0x160 [ 749.393019] __local_bh_enable_ip+0x21d/0x260 [ 749.397514] _raw_write_unlock_bh+0x30/0x40 [ 749.401831] neigh_periodic_work+0x6bd/0xc60 [ 749.406243] ? neigh_table_clear+0x390/0x390 [ 749.410650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.416179] ? check_preemption_disabled+0x48/0x280 [ 749.421469] ? __lock_is_held+0xb5/0x140 [ 749.425566] process_one_work+0xc90/0x1c40 [ 749.429792] ? mark_held_locks+0x130/0x130 [ 749.434028] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 749.438682] ? __switch_to_asm+0x40/0x70 [ 749.442731] ? __switch_to_asm+0x40/0x70 [ 749.446779] ? __switch_to_asm+0x34/0x70 [ 749.450830] ? __switch_to_asm+0x40/0x70 [ 749.454882] ? __switch_to_asm+0x34/0x70 [ 749.458928] ? __switch_to_asm+0x40/0x70 [ 749.462986] ? __switch_to_asm+0x34/0x70 [ 749.467034] ? __switch_to_asm+0x40/0x70 [ 749.471180] ? __schedule+0x8d7/0x21d0 [ 749.475062] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 749.479644] ? zap_class+0x640/0x640 [ 749.483352] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 749.488103] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 749.492688] ? lock_acquire+0x1ed/0x520 [ 749.496648] ? worker_thread+0x3e0/0x1390 [ 749.500796] ? kasan_check_read+0x11/0x20 [ 749.505058] ? do_raw_spin_lock+0x14f/0x350 [ 749.509371] ? kasan_check_read+0x11/0x20 [ 749.513511] ? rwlock_bug.part.2+0x90/0x90 [ 749.517739] ? trace_hardirqs_on+0x310/0x310 [ 749.522692] worker_thread+0x17f/0x1390 [ 749.526661] ? __switch_to_asm+0x34/0x70 [ 749.530725] ? process_one_work+0x1c40/0x1c40 [ 749.535258] ? __sched_text_start+0x8/0x8 [ 749.539436] ? __kthread_parkme+0xce/0x1a0 [ 749.543667] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 749.548853] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 749.553955] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 749.558540] ? trace_hardirqs_on+0xbd/0x310 [ 749.562855] ? kasan_check_read+0x11/0x20 [ 749.567005] ? __kthread_parkme+0xce/0x1a0 [ 749.571235] ? trace_hardirqs_off_caller+0x310/0x310 [ 749.576340] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 749.581437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 749.586972] ? __kthread_parkme+0xfb/0x1a0 [ 749.591213] ? process_one_work+0x1c40/0x1c40 [ 749.595707] kthread+0x35a/0x440 [ 749.599065] ? kthread_stop+0x900/0x900 [ 749.603050] ret_from_fork+0x3a/0x50 [ 749.606771] warn_alloc_show_mem: 1 callbacks suppressed [ 749.606780] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 749.606782] Mem-Info: [ 749.606810] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 749.606810] active_file:32 inactive_file:0 isolated_file:0 [ 749.606810] unevictable:0 dirty:0 writeback:0 unstable:0 [ 749.606810] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 749.606810] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 749.606810] free:13730 free_pcp:227 free_cma:0 [ 749.612144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 749.619153] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 749.621779] Call Trace: [ 749.654721] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 749.664647] [ 749.692467] lowmem_reserve[]: 0 2818 6321 6321 [ 749.695060] dump_stack+0x244/0x39d [ 749.722277] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 749.724425] ? dump_stack_print_info.cold.1+0x20/0x20 [ 749.728981] lowmem_reserve[]: 0 0 3503 3503 [ 749.732610] warn_alloc.cold.116+0xb7/0x1bd [ 749.760067] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 749.765243] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 749.769531] lowmem_reserve[]: 0 0 0 0 [ 749.773843] ? lock_downgrade+0x900/0x900 [ 749.802888] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 749.807730] ? trace_hardirqs_off+0xb8/0x310 [ 749.811500] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 749.815641] ? trace_hardirqs_off+0xb8/0x310 [ 749.830063] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 93*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB [ 749.834483] __alloc_pages_slowpath+0x26e8/0x2e10 [ 749.849322] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 749.853743] ? warn_alloc+0x120/0x120 [ 749.867838] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 749.872665] ? warn_alloc+0x120/0x120 [ 749.881469] 6658 total pagecache pages [ 749.885258] ? __lock_acquire+0x62f/0x4c20 [ 749.893812] 0 pages in swap cache [ 749.897595] ? warn_alloc+0x120/0x120 [ 749.901459] Swap cache stats: add 0, delete 0, find 0/0 [ 749.905678] ? print_usage_bug+0xc0/0xc0 [ 749.909099] Free swap = 0kB [ 749.912884] ? print_usage_bug+0xc0/0xc0 [ 749.918216] Total swap = 0kB [ 749.922542] ? mark_held_locks+0x130/0x130 [ 749.925537] 1965979 pages RAM [ 749.929589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 749.932570] 0 pages HighMem/MovableOnly [ 749.932577] 342853 pages reserved [ 749.936799] ? should_fail+0x22d/0xd01 [ 749.939873] 0 pages cma reserved [ 749.945391] ? zap_class+0x640/0x640 [ 749.949433] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 749.952771] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 749.952785] ? __lock_acquire+0x62f/0x4c20 [ 749.952801] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 749.978919] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 749.979583] ? should_fail+0x22d/0xd01 [ 749.984665] syz-executor0 cpuset=syz0 mems_allowed=0 [ 749.995145] ? mark_held_locks+0x130/0x130 [ 750.008319] ? mark_held_locks+0x130/0x130 [ 750.012549] ? lock_downgrade+0x900/0x900 [ 750.016691] ? zap_class+0x640/0x640 [ 750.020610] ? zap_class+0x640/0x640 [ 750.024324] ? zap_class+0x640/0x640 [ 750.028045] ? do_raw_spin_unlock+0xa7/0x330 [ 750.032456] ? trace_hardirqs_on+0x310/0x310 [ 750.036862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.042423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.047955] ? check_preemption_disabled+0x48/0x280 [ 750.052998] ? __lock_is_held+0xb5/0x140 [ 750.057057] __alloc_pages_nodemask+0xa80/0xde0 [ 750.061720] ? zap_class+0x640/0x640 [ 750.065434] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 750.070453] ? find_held_lock+0x36/0x1c0 [ 750.074529] ? ____cache_alloc_node+0x1c7/0x1e0 [ 750.079190] ? lock_downgrade+0x900/0x900 [ 750.083344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.088973] cache_grow_begin+0xa5/0x8c0 [ 750.093058] ? do_raw_spin_unlock+0xa7/0x330 [ 750.097463] fallback_alloc+0x204/0x2e0 [ 750.101442] ____cache_alloc_node+0x1c7/0x1e0 [ 750.106030] kmem_cache_alloc_node+0xe3/0x730 [ 750.110516] ? lockdep_hardirqs_on+0x296/0x5b0 [ 750.115096] __alloc_skb+0x119/0x770 [ 750.118798] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 750.124607] ? netdev_alloc_frag+0x1f0/0x1f0 [ 750.129014] ? vprintk_default+0x28/0x30 [ 750.133063] ? vprintk_func+0x85/0x181 [ 750.136939] ? printk+0xa7/0xcf [ 750.140217] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 750.144986] new_skb+0x26/0x1c0 [ 750.148259] aoecmd_cfg+0x279/0x7f0 [ 750.151878] ? find_held_lock+0x36/0x1c0 [ 750.155962] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 750.160286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.165820] ? __lock_is_held+0xb5/0x140 [ 750.169879] discover_timer+0x50/0x60 [ 750.173672] call_timer_fn+0x272/0x920 [ 750.177580] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 750.182414] ? process_timeout+0x40/0x40 [ 750.186479] ? mark_held_locks+0xc7/0x130 [ 750.190717] ? _raw_spin_unlock_irq+0x27/0x80 [ 750.195205] ? _raw_spin_unlock_irq+0x27/0x80 [ 750.199694] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 750.204529] ? lockdep_hardirqs_on+0x296/0x5b0 [ 750.209112] ? trace_hardirqs_on+0xbd/0x310 [ 750.213425] ? kasan_check_read+0x11/0x20 [ 750.217566] ? __run_timers+0x7da/0xc70 [ 750.221823] ? trace_hardirqs_off_caller+0x310/0x310 [ 750.226934] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 750.231787] __run_timers+0x7e5/0xc70 [ 750.235589] ? timer_fixup_init+0x70/0x70 [ 750.239733] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 750.244741] ? zap_class+0x640/0x640 [ 750.248462] ? print_usage_bug+0xc0/0xc0 [ 750.252538] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 750.257747] ? find_held_lock+0x36/0x1c0 [ 750.261809] ? zap_class+0x640/0x640 [ 750.265522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.271053] ? check_preemption_disabled+0x48/0x280 [ 750.276069] ? __lock_is_held+0xb5/0x140 [ 750.280124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.285663] ? check_preemption_disabled+0x48/0x280 [ 750.290676] run_timer_softirq+0x52/0xb0 [ 750.294731] ? rcu_read_lock_sched_held+0x14f/0x180 [ 750.299754] __do_softirq+0x308/0xb7e [ 750.303553] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 750.308161] ? lock_downgrade+0x900/0x900 [ 750.312304] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 750.317406] ? pvclock_read_flags+0x160/0x160 [ 750.322167] ? lapic_next_event+0x5a/0x90 [ 750.326308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.331844] ? kvm_clock_read+0x18/0x30 [ 750.335812] ? kvm_sched_clock_read+0x9/0x20 [ 750.340212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.345775] ? check_preemption_disabled+0x48/0x280 [ 750.350791] irq_exit+0x17f/0x1c0 [ 750.354241] smp_apic_timer_interrupt+0x1cb/0x760 [ 750.359077] ? smp_reschedule_interrupt+0x109/0x650 [ 750.364085] ? smp_call_function_single_interrupt+0x650/0x650 [ 750.369985] ? interrupt_entry+0xb5/0xc0 [ 750.374039] ? trace_hardirqs_off_caller+0xbb/0x310 [ 750.379049] ? trace_hardirqs_off_caller+0xbb/0x310 [ 750.384059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 750.388893] ? trace_hardirqs_on_caller+0x310/0x310 [ 750.393900] ? trace_hardirqs_on_caller+0x310/0x310 [ 750.398907] ? task_prio+0x50/0x50 [ 750.402442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.407984] ? check_preemption_disabled+0x48/0x280 [ 750.413001] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 750.417839] apic_timer_interrupt+0xf/0x20 [ 750.422370] [ 750.424616] RIP: 0010:console_unlock+0x102f/0x1190 [ 750.429558] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 750.448448] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 750.456167] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 750.463516] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 750.470779] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 750.478043] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 750.485305] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 750.492574] ? netconsole_netdev_event+0x280/0x280 [ 750.497501] ? console_unlock+0x1026/0x1190 [ 750.501832] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 750.506490] ? vprintk_emit+0x846/0x990 [ 750.510461] ? lock_release+0xa00/0xa00 [ 750.514441] ? trace_hardirqs_on+0x70/0x310 [ 750.518756] ? vprintk_default+0x28/0x30 [ 750.523028] ? trace_hardirqs_off_caller+0x310/0x310 [ 750.528130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.533671] vprintk_emit+0x391/0x990 [ 750.537469] ? wake_up_klogd+0x180/0x180 [ 750.541530] ? find_held_lock+0x11/0x1c0 [ 750.545595] ? mark_held_locks+0xc7/0x130 [ 750.549754] ? _raw_spin_unlock_irq+0x27/0x80 [ 750.554238] ? _raw_spin_unlock_irq+0x27/0x80 [ 750.558729] vprintk_default+0x28/0x30 [ 750.562609] vprintk_func+0x7e/0x181 [ 750.566319] printk+0xa7/0xcf [ 750.569421] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 750.574169] ? _raw_spin_unlock_irq+0x60/0x80 [ 750.578667] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 750.583969] dump_header+0x7cc/0xf72 [ 750.587700] ? pagefault_out_of_memory+0x197/0x197 [ 750.592635] ? __lock_acquire+0x62f/0x4c20 [ 750.596867] ? print_usage_bug+0xc0/0xc0 [ 750.600926] ? zap_class+0x640/0x640 [ 750.604642] ? zap_class+0x640/0x640 [ 750.608363] ? print_usage_bug+0xc0/0xc0 [ 750.612418] ? print_usage_bug+0xc0/0xc0 [ 750.616481] ? find_held_lock+0x36/0x1c0 [ 750.620767] ? mark_held_locks+0xc7/0x130 [ 750.624911] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 750.630014] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 750.635130] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 750.639703] ? trace_hardirqs_on+0xbd/0x310 [ 750.644014] ? kasan_check_read+0x11/0x20 [ 750.648157] ? ___ratelimit+0x3b4/0x672 [ 750.652128] ? trace_hardirqs_off_caller+0x310/0x310 [ 750.657224] ? trace_hardirqs_on+0x310/0x310 [ 750.661942] ? lock_downgrade+0x900/0x900 [ 750.666095] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 750.671192] ? ___ratelimit+0x3b9/0x672 [ 750.675185] ? idr_get_free+0xf70/0xf70 [ 750.679151] ? kasan_check_read+0x11/0x20 [ 750.683288] ? do_raw_spin_unlock+0xa7/0x330 [ 750.687697] oom_kill_process.cold.27+0x10/0x903 [ 750.692447] ? zap_class+0x640/0x640 [ 750.696154] ? _raw_spin_unlock+0x2c/0x50 [ 750.700285] ? oom_badness+0xe6/0xaa0 [ 750.704099] ? oom_evaluate_task+0x540/0x540 [ 750.708500] ? find_held_lock+0x36/0x1c0 [ 750.712578] ? out_of_memory+0x974/0x1430 [ 750.716720] ? lock_downgrade+0x900/0x900 [ 750.721181] ? check_preemption_disabled+0x48/0x280 [ 750.726191] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 750.731109] ? kasan_check_read+0x11/0x20 [ 750.735246] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 750.740513] ? rcu_softirq_qs+0x20/0x20 [ 750.744485] ? kasan_check_write+0x14/0x20 [ 750.748728] ? oom_evaluate_task+0x302/0x540 [ 750.753244] out_of_memory+0xa84/0x1430 [ 750.757229] ? oom_killer_disable+0x3a0/0x3a0 [ 750.761721] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 750.766734] ? __ww_mutex_check_waiters+0x160/0x160 [ 750.771755] __alloc_pages_slowpath+0x2354/0x2e10 [ 750.776620] ? warn_alloc+0x120/0x120 [ 750.780420] ? mark_held_locks+0x130/0x130 [ 750.784654] ? find_get_entry+0xaae/0x1120 [ 750.788896] ? filemap_map_pages+0x1a20/0x1a20 [ 750.793857] ? zap_class+0x640/0x640 [ 750.797572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.803104] ? check_preemption_disabled+0x48/0x280 [ 750.808114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 750.813645] ? should_fail+0x22d/0xd01 [ 750.817535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 750.822862] ? zap_class+0x640/0x640 [ 750.826689] ? __lock_is_held+0xb5/0x140 [ 750.830759] ? mark_held_locks+0x130/0x130 [ 750.834999] ? lock_release+0xa00/0xa00 [ 750.838982] ? perf_trace_sched_process_exec+0x860/0x860 [ 750.844431] ? xa_load+0x2ba/0x460 [ 750.847971] ? lock_downgrade+0x900/0x900 [ 750.852117] ? __might_sleep+0x95/0x190 [ 750.856091] __alloc_pages_nodemask+0xa80/0xde0 [ 750.860765] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 750.865777] ? __page_cache_alloc+0x191/0x5c0 [ 750.870269] ? xa_load+0x2e1/0x460 [ 750.873810] ? xa_clear_mark+0x40/0x40 [ 750.877697] ? zap_class+0x640/0x640 [ 750.881412] ? zap_class+0x640/0x640 [ 750.885116] ? zap_class+0x640/0x640 [ 750.888849] ? __do_page_cache_readahead+0x663/0x810 [ 750.893960] ? find_held_lock+0x36/0x1c0 [ 750.898038] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 750.903574] alloc_pages_current+0x173/0x350 [ 750.907979] __page_cache_alloc+0x38c/0x5c0 [ 750.912294] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 750.917217] ? kasan_check_read+0x11/0x20 [ 750.921698] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 750.926975] ? generic_perform_write+0x6a0/0x6a0 [ 750.931729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 750.937262] ? check_preemption_disabled+0x48/0x280 [ 750.942278] filemap_fault+0x1595/0x25f0 [ 750.946344] ? __lock_page_or_retry+0xa00/0xa00 [ 750.951012] ? mark_held_locks+0x130/0x130 [ 750.955250] ? filemap_map_pages+0xd6b/0x1a20 [ 750.959764] ? lock_downgrade+0x900/0x900 [ 750.963907] ? check_preemption_disabled+0x48/0x280 [ 750.968938] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 750.973863] ? kasan_check_read+0x11/0x20 [ 750.978002] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 750.983269] ? rcu_softirq_qs+0x20/0x20 [ 750.987251] ? filemap_map_pages+0xd92/0x1a20 [ 750.991755] ? find_get_entries_tag+0x1400/0x1400 [ 750.996596] ? futex_wake+0x760/0x760 [ 751.000400] ? lock_acquire+0x1ed/0x520 [ 751.004368] ? ext4_filemap_fault+0x7a/0xad [ 751.008705] ? lock_release+0xa00/0xa00 [ 751.012670] ? perf_trace_sched_process_exec+0x860/0x860 [ 751.018135] ? print_usage_bug+0xc0/0xc0 [ 751.022398] ? print_usage_bug+0xc0/0xc0 [ 751.026465] ? down_read+0x8d/0x120 [ 751.030084] ? ext4_filemap_fault+0x7a/0xad [ 751.034402] ? __down_interruptible+0x700/0x700 [ 751.039071] ext4_filemap_fault+0x82/0xad [ 751.043211] __do_fault+0x100/0x6b0 [ 751.046836] ? pmd_devmap_trans_unstable+0x220/0x220 [ 751.051936] ? mark_held_locks+0x130/0x130 [ 751.056167] ? mark_held_locks+0x130/0x130 [ 751.060398] ? __might_fault+0x12b/0x1e0 [ 751.064460] ? lock_downgrade+0x900/0x900 [ 751.068697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 751.074317] __handle_mm_fault+0x3ea0/0x5be0 [ 751.078741] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 751.083579] ? kasan_check_read+0x11/0x20 [ 751.087717] ? _copy_to_user+0xc8/0x110 [ 751.091685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 751.097226] ? zap_class+0x640/0x640 [ 751.101020] ? zap_class+0x640/0x640 [ 751.104734] ? find_held_lock+0x36/0x1c0 [ 751.108795] ? handle_mm_fault+0x42a/0xc70 [ 751.113032] ? lock_downgrade+0x900/0x900 [ 751.117194] ? check_preemption_disabled+0x48/0x280 [ 751.122540] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 751.127460] ? kasan_check_read+0x11/0x20 [ 751.131604] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 751.136878] ? rcu_softirq_qs+0x20/0x20 [ 751.140851] ? trace_hardirqs_off_caller+0x310/0x310 [ 751.145966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 751.151503] ? check_preemption_disabled+0x48/0x280 [ 751.156524] handle_mm_fault+0x54f/0xc70 [ 751.160584] ? __handle_mm_fault+0x5be0/0x5be0 [ 751.165165] ? find_vma+0x34/0x190 [ 751.168720] __do_page_fault+0x5e8/0xe60 [ 751.172775] ? trace_hardirqs_off+0xb8/0x310 [ 751.177187] do_page_fault+0xf2/0x7e0 [ 751.180981] ? vmalloc_sync_all+0x30/0x30 [ 751.185120] ? error_entry+0x70/0xd0 [ 751.188831] ? trace_hardirqs_off_caller+0xbb/0x310 [ 751.193848] ? trace_hardirqs_on_caller+0xc0/0x310 [ 751.198782] ? syscall_return_slowpath+0x5e0/0x5e0 [ 751.203722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 751.208561] ? trace_hardirqs_on_caller+0x310/0x310 [ 751.213573] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 751.219024] ? prepare_exit_to_usermode+0x291/0x3b0 [ 751.224314] ? page_fault+0x8/0x30 [ 751.227859] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 751.232699] ? page_fault+0x8/0x30 [ 751.236235] page_fault+0x1e/0x30 [ 751.239681] RIP: 0033:0x407e06 [ 751.242879] Code: Bad RIP value. [ 751.246231] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 751.251586] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 751.258848] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 751.266113] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 751.273377] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 751.280741] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 751.288036] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 751.288109] aoe: skb alloc failure [ 751.295314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 751.295320] Call Trace: [ 751.295341] dump_stack+0x244/0x39d [ 751.295362] ? dump_stack_print_info.cold.1+0x20/0x20 [ 751.298906] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 751.308235] warn_alloc.cold.116+0xb7/0x1bd [ 751.310785] syz-fuzzer cpuset=/ mems_allowed=0 [ 751.314405] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 751.343798] ? lock_downgrade+0x900/0x900 [ 751.347960] ? trace_hardirqs_off+0xb8/0x310 [ 751.352375] ? trace_hardirqs_off+0xb8/0x310 [ 751.356796] __alloc_pages_slowpath+0x26e8/0x2e10 [ 751.361661] ? warn_alloc+0x120/0x120 [ 751.365465] ? zap_class+0x640/0x640 [ 751.369180] ? warn_alloc+0x120/0x120 [ 751.372986] ? warn_alloc+0x120/0x120 [ 751.376785] ? print_usage_bug+0xc0/0xc0 [ 751.380965] ? find_held_lock+0x36/0x1c0 [ 751.385031] ? print_usage_bug+0xc0/0xc0 [ 751.389093] ? cpuacct_charge+0x265/0x440 [ 751.393356] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 751.398897] ? should_fail+0x22d/0xd01 [ 751.402785] ? find_held_lock+0x36/0x1c0 [ 751.406871] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 751.411973] ? __lock_acquire+0x62f/0x4c20 [ 751.416212] ? should_fail+0x22d/0xd01 [ 751.420619] ? mark_held_locks+0x130/0x130 [ 751.424850] ? mark_held_locks+0x130/0x130 [ 751.429077] ? __lock_acquire+0x62f/0x4c20 [ 751.433307] ? zap_class+0x640/0x640 [ 751.437021] ? __lock_is_held+0xb5/0x140 [ 751.441082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 751.446731] ? check_preemption_disabled+0x48/0x280 [ 751.451754] ? __lock_is_held+0xb5/0x140 [ 751.455819] __alloc_pages_nodemask+0xa80/0xde0 [ 751.460480] ? zap_class+0x640/0x640 [ 751.464193] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 751.469216] ? find_held_lock+0x36/0x1c0 [ 751.473279] ? ____cache_alloc_node+0x1c7/0x1e0 [ 751.477946] ? lock_downgrade+0x900/0x900 [ 751.482114] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 751.487654] cache_grow_begin+0xa5/0x8c0 [ 751.491730] ? do_raw_spin_unlock+0xa7/0x330 [ 751.496143] fallback_alloc+0x204/0x2e0 [ 751.500123] ____cache_alloc_node+0x1c7/0x1e0 [ 751.504619] kmem_cache_alloc+0x1f8/0x730 [ 751.508794] skb_clone+0x1bb/0x500 [ 751.512351] ? finish_task_switch+0x1b4/0x910 [ 751.516950] ? skb_split+0x11e0/0x11e0 [ 751.521325] ? preempt_notifier_register+0x200/0x200 [ 751.526436] ? __switch_to_asm+0x34/0x70 [ 751.530491] ? __switch_to_asm+0x34/0x70 [ 751.534552] ? __switch_to_asm+0x40/0x70 [ 751.538698] ? __switch_to_asm+0x34/0x70 [ 751.542754] ? __switch_to_asm+0x40/0x70 [ 751.546819] ? __switch_to_asm+0x34/0x70 [ 751.550878] ? __switch_to_asm+0x40/0x70 [ 751.554944] ? __switch_to_asm+0x34/0x70 [ 751.559004] ? __switch_to_asm+0x34/0x70 [ 751.563148] ? __switch_to_asm+0x40/0x70 [ 751.567207] ? __switch_to_asm+0x34/0x70 [ 751.571288] bpf_clone_redirect+0xb9/0x490 [ 751.575535] ? __schedule+0x8d7/0x21d0 [ 751.579429] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 751.584446] ? __sched_text_start+0x8/0x8 [ 751.588592] ? retint_kernel+0x2d/0x2d [ 751.592503] ? find_held_lock+0x36/0x1c0 [ 751.596572] ? lock_acquire+0x1ed/0x520 [ 751.600632] ? bpf_test_run+0x3cb/0x780 [ 751.604599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 751.610159] ? check_preemption_disabled+0x48/0x280 [ 751.615269] ? kasan_check_read+0x11/0x20 [ 751.619931] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 751.625290] ? rcu_softirq_qs+0x20/0x20 [ 751.629262] ? preempt_schedule+0x4d/0x60 [ 751.633404] ? ___preempt_schedule+0x16/0x18 [ 751.637815] ? bpf_test_run+0x25d/0x780 [ 751.641800] ? netlink_diag_dump+0x2a0/0x2a0 [ 751.646212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 751.651743] ? bpf_test_init.isra.10+0x70/0x100 [ 751.656447] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 751.661300] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 751.666141] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 751.671677] ? fput+0x130/0x1a0 [ 751.675073] ? __bpf_prog_get+0x9b/0x290 [ 751.679137] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 751.683975] ? bpf_prog_test_run+0x130/0x1a0 [ 751.688381] ? __x64_sys_bpf+0x3db/0x520 [ 751.692443] ? bpf_prog_get+0x20/0x20 [ 751.696262] ? do_syscall_64+0x1b9/0x820 [ 751.700316] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 751.705679] ? syscall_return_slowpath+0x5e0/0x5e0 [ 751.710613] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 751.715454] ? trace_hardirqs_on_caller+0x310/0x310 [ 751.720973] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 751.725988] ? prepare_exit_to_usermode+0x291/0x3b0 [ 751.731009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 751.735872] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 751.741253] warn_alloc_show_mem: 1 callbacks suppressed [ 751.741263] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 751.741265] Mem-Info: [ 751.741302] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 751.741302] active_file:32 inactive_file:0 isolated_file:0 [ 751.741302] unevictable:0 dirty:0 writeback:0 unstable:0 [ 751.741302] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 751.741302] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 751.741302] free:13730 free_pcp:227 free_cma:0 [ 751.746719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 751.753845] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 751.756242] Call Trace: [ 751.789384] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 751.798829] [ 751.827473] lowmem_reserve[]: 0 2818 6321 6321 [ 751.830189] dump_stack+0x244/0x39d [ 751.830208] ? dump_stack_print_info.cold.1+0x20/0x20 [ 751.856565] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 751.858716] warn_alloc.cold.116+0xb7/0x1bd [ 751.863261] lowmem_reserve[]: 0 0 3503 3503 [ 751.866943] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 751.872114] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 751.899620] ? lock_downgrade+0x900/0x900 [ 751.903928] lowmem_reserve[]: 0 0 0 0 [ 751.908259] ? trace_hardirqs_off+0xb8/0x310 [ 751.913107] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 751.942352] ? trace_hardirqs_off+0xb8/0x310 [ 751.946470] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 751.950282] __alloc_pages_slowpath+0x26e8/0x2e10 [ 751.954656] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 751.968227] ? warn_alloc+0x120/0x120 [ 751.972597] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 751.987428] ? warn_alloc+0x120/0x120 [ 751.992247] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 752.006565] ? __lock_acquire+0x62f/0x4c20 [ 752.010337] 6658 total pagecache pages [ 752.019411] ? warn_alloc+0x120/0x120 [ 752.019429] ? print_usage_bug+0xc0/0xc0 [ 752.019446] ? print_usage_bug+0xc0/0xc0 [ 752.023231] 0 pages in swap cache [ 752.031787] ? mark_held_locks+0x130/0x130 [ 752.035997] Swap cache stats: add 0, delete 0, find 0/0 [ 752.039869] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 752.043642] Free swap = 0kB [ 752.047689] ? should_fail+0x22d/0xd01 [ 752.051720] Total swap = 0kB [ 752.055156] ? zap_class+0x640/0x640 [ 752.059362] 1965979 pages RAM [ 752.064720] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 752.070227] 0 pages HighMem/MovableOnly [ 752.073229] ? __lock_acquire+0x62f/0x4c20 [ 752.077191] 342853 pages reserved [ 752.077199] 0 pages cma reserved [ 752.080210] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 752.105610] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 752.107153] ? should_fail+0x22d/0xd01 [ 752.112230] kworker/1:0 cpuset=/ mems_allowed=0 [ 752.122846] ? mark_held_locks+0x130/0x130 [ 752.135562] ? mark_held_locks+0x130/0x130 [ 752.139790] ? lock_downgrade+0x900/0x900 [ 752.143948] ? zap_class+0x640/0x640 [ 752.147653] ? zap_class+0x640/0x640 [ 752.151365] ? zap_class+0x640/0x640 [ 752.155070] ? do_raw_spin_unlock+0xa7/0x330 [ 752.159473] ? trace_hardirqs_on+0x310/0x310 [ 752.163872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.169418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.174954] ? check_preemption_disabled+0x48/0x280 [ 752.179993] ? __lock_is_held+0xb5/0x140 [ 752.184052] __alloc_pages_nodemask+0xa80/0xde0 [ 752.188712] ? zap_class+0x640/0x640 [ 752.192445] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 752.197475] ? find_held_lock+0x36/0x1c0 [ 752.201536] ? ____cache_alloc_node+0x1c7/0x1e0 [ 752.206201] ? lock_downgrade+0x900/0x900 [ 752.210350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.215889] cache_grow_begin+0xa5/0x8c0 [ 752.220163] ? do_raw_spin_unlock+0xa7/0x330 [ 752.224584] fallback_alloc+0x204/0x2e0 [ 752.228554] ____cache_alloc_node+0x1c7/0x1e0 [ 752.233053] kmem_cache_alloc_node+0xe3/0x730 [ 752.237541] ? lockdep_hardirqs_on+0x296/0x5b0 [ 752.242119] __alloc_skb+0x119/0x770 [ 752.245839] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 752.251213] ? netdev_alloc_frag+0x1f0/0x1f0 [ 752.255616] ? vprintk_default+0x28/0x30 [ 752.259668] ? vprintk_func+0x85/0x181 [ 752.263551] ? printk+0xa7/0xcf [ 752.266825] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 752.271605] new_skb+0x26/0x1c0 [ 752.274908] aoecmd_cfg+0x279/0x7f0 [ 752.278542] ? find_held_lock+0x36/0x1c0 [ 752.282595] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 752.286930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.292467] ? __lock_is_held+0xb5/0x140 [ 752.296531] discover_timer+0x50/0x60 [ 752.300324] call_timer_fn+0x272/0x920 [ 752.304205] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 752.309116] ? process_timeout+0x40/0x40 [ 752.313179] ? mark_held_locks+0xc7/0x130 [ 752.317322] ? _raw_spin_unlock_irq+0x27/0x80 [ 752.322140] ? _raw_spin_unlock_irq+0x27/0x80 [ 752.326627] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 752.331461] ? lockdep_hardirqs_on+0x296/0x5b0 [ 752.336046] ? trace_hardirqs_on+0xbd/0x310 [ 752.340389] ? kasan_check_read+0x11/0x20 [ 752.344524] ? __run_timers+0x7da/0xc70 [ 752.348489] ? trace_hardirqs_off_caller+0x310/0x310 [ 752.353596] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 752.358429] __run_timers+0x7e5/0xc70 [ 752.362227] ? timer_fixup_init+0x70/0x70 [ 752.366366] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 752.371372] ? zap_class+0x640/0x640 [ 752.375091] ? print_usage_bug+0xc0/0xc0 [ 752.379151] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 752.384342] ? find_held_lock+0x36/0x1c0 [ 752.388422] ? zap_class+0x640/0x640 [ 752.392131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.397658] ? check_preemption_disabled+0x48/0x280 [ 752.402695] ? __lock_is_held+0xb5/0x140 [ 752.406751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.412497] ? check_preemption_disabled+0x48/0x280 [ 752.417508] run_timer_softirq+0x52/0xb0 [ 752.421831] ? rcu_read_lock_sched_held+0x14f/0x180 [ 752.426841] __do_softirq+0x308/0xb7e [ 752.430638] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 752.435141] ? lock_downgrade+0x900/0x900 [ 752.439282] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 752.444488] ? pvclock_read_flags+0x160/0x160 [ 752.448975] ? lapic_next_event+0x5a/0x90 [ 752.453127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.458655] ? kvm_clock_read+0x18/0x30 [ 752.462618] ? kvm_sched_clock_read+0x9/0x20 [ 752.467018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.472546] ? check_preemption_disabled+0x48/0x280 [ 752.477558] irq_exit+0x17f/0x1c0 [ 752.481001] smp_apic_timer_interrupt+0x1cb/0x760 [ 752.485834] ? smp_reschedule_interrupt+0x109/0x650 [ 752.490847] ? smp_call_function_single_interrupt+0x650/0x650 [ 752.496817] ? interrupt_entry+0xb5/0xc0 [ 752.500869] ? trace_hardirqs_off_caller+0xbb/0x310 [ 752.505928] ? trace_hardirqs_off_caller+0xbb/0x310 [ 752.510954] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 752.515788] ? trace_hardirqs_on_caller+0x310/0x310 [ 752.521157] ? trace_hardirqs_on_caller+0x310/0x310 [ 752.526170] ? task_prio+0x50/0x50 [ 752.529716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.535249] ? check_preemption_disabled+0x48/0x280 [ 752.540264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 752.545110] apic_timer_interrupt+0xf/0x20 [ 752.549330] [ 752.551560] RIP: 0010:console_unlock+0x102f/0x1190 [ 752.556490] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 752.575481] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 752.583286] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 752.590821] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 752.598085] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 752.605345] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 752.612624] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 752.620192] ? netconsole_netdev_event+0x280/0x280 [ 752.625136] ? console_unlock+0x1026/0x1190 [ 752.629471] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 752.634131] ? vprintk_emit+0x846/0x990 [ 752.638099] ? lock_release+0xa00/0xa00 [ 752.642083] ? trace_hardirqs_on+0x70/0x310 [ 752.646399] ? vprintk_default+0x28/0x30 [ 752.650459] ? trace_hardirqs_off_caller+0x310/0x310 [ 752.655553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.661604] vprintk_emit+0x391/0x990 [ 752.665404] ? wake_up_klogd+0x180/0x180 [ 752.669464] ? find_held_lock+0x11/0x1c0 [ 752.673532] ? mark_held_locks+0xc7/0x130 [ 752.677753] ? _raw_spin_unlock_irq+0x27/0x80 [ 752.682243] ? _raw_spin_unlock_irq+0x27/0x80 [ 752.686738] vprintk_default+0x28/0x30 [ 752.690623] vprintk_func+0x7e/0x181 [ 752.694333] printk+0xa7/0xcf [ 752.697436] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 752.702206] ? _raw_spin_unlock_irq+0x60/0x80 [ 752.706697] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 752.711976] dump_header+0x7cc/0xf72 [ 752.715688] ? pagefault_out_of_memory+0x197/0x197 [ 752.720944] ? __lock_acquire+0x62f/0x4c20 [ 752.725173] ? print_usage_bug+0xc0/0xc0 [ 752.729273] ? zap_class+0x640/0x640 [ 752.732977] ? zap_class+0x640/0x640 [ 752.736684] ? print_usage_bug+0xc0/0xc0 [ 752.740748] ? print_usage_bug+0xc0/0xc0 [ 752.744812] ? find_held_lock+0x36/0x1c0 [ 752.748880] ? mark_held_locks+0xc7/0x130 [ 752.753029] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 752.758124] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 752.763221] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 752.767806] ? trace_hardirqs_on+0xbd/0x310 [ 752.772119] ? kasan_check_read+0x11/0x20 [ 752.776257] ? ___ratelimit+0x3b4/0x672 [ 752.780237] ? trace_hardirqs_off_caller+0x310/0x310 [ 752.785334] ? trace_hardirqs_on+0x310/0x310 [ 752.789738] ? lock_downgrade+0x900/0x900 [ 752.794314] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 752.799411] ? ___ratelimit+0x3b9/0x672 [ 752.803397] ? idr_get_free+0xf70/0xf70 [ 752.807382] ? kasan_check_read+0x11/0x20 [ 752.811520] ? do_raw_spin_unlock+0xa7/0x330 [ 752.815932] oom_kill_process.cold.27+0x10/0x903 [ 752.820951] ? zap_class+0x640/0x640 [ 752.824657] ? _raw_spin_unlock+0x2c/0x50 [ 752.828795] ? oom_badness+0xe6/0xaa0 [ 752.832692] ? oom_evaluate_task+0x540/0x540 [ 752.837095] ? find_held_lock+0x36/0x1c0 [ 752.841257] ? out_of_memory+0x974/0x1430 [ 752.845399] ? lock_downgrade+0x900/0x900 [ 752.849639] ? check_preemption_disabled+0x48/0x280 [ 752.854653] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 752.859576] ? kasan_check_read+0x11/0x20 [ 752.863737] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 752.869044] ? rcu_softirq_qs+0x20/0x20 [ 752.873013] ? kasan_check_write+0x14/0x20 [ 752.877237] ? oom_evaluate_task+0x302/0x540 [ 752.881645] out_of_memory+0xa84/0x1430 [ 752.885623] ? oom_killer_disable+0x3a0/0x3a0 [ 752.890225] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 752.895152] ? __ww_mutex_check_waiters+0x160/0x160 [ 752.900181] __alloc_pages_slowpath+0x2354/0x2e10 [ 752.905039] ? warn_alloc+0x120/0x120 [ 752.908832] ? mark_held_locks+0x130/0x130 [ 752.913071] ? find_get_entry+0xaae/0x1120 [ 752.917310] ? filemap_map_pages+0x1a20/0x1a20 [ 752.922168] ? zap_class+0x640/0x640 [ 752.925893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.931430] ? check_preemption_disabled+0x48/0x280 [ 752.936442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 752.941972] ? should_fail+0x22d/0xd01 [ 752.945855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 752.951068] ? zap_class+0x640/0x640 [ 752.954797] ? __lock_is_held+0xb5/0x140 [ 752.958871] ? mark_held_locks+0x130/0x130 [ 752.963119] ? lock_release+0xa00/0xa00 [ 752.967115] ? perf_trace_sched_process_exec+0x860/0x860 [ 752.972560] ? xa_load+0x2ba/0x460 [ 752.976095] ? lock_downgrade+0x900/0x900 [ 752.980240] ? __might_sleep+0x95/0x190 [ 752.984219] __alloc_pages_nodemask+0xa80/0xde0 [ 752.988898] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 752.993909] ? __page_cache_alloc+0x191/0x5c0 [ 752.998396] ? xa_load+0x2e1/0x460 [ 753.001930] ? xa_clear_mark+0x40/0x40 [ 753.005815] ? zap_class+0x640/0x640 [ 753.009524] ? zap_class+0x640/0x640 [ 753.013226] ? zap_class+0x640/0x640 [ 753.016950] ? __do_page_cache_readahead+0x663/0x810 [ 753.022328] ? find_held_lock+0x36/0x1c0 [ 753.026478] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 753.032119] alloc_pages_current+0x173/0x350 [ 753.036523] __page_cache_alloc+0x38c/0x5c0 [ 753.040833] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 753.045759] ? kasan_check_read+0x11/0x20 [ 753.049910] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 753.055187] ? generic_perform_write+0x6a0/0x6a0 [ 753.059948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 753.065481] ? check_preemption_disabled+0x48/0x280 [ 753.070512] filemap_fault+0x1595/0x25f0 [ 753.074674] ? __lock_page_or_retry+0xa00/0xa00 [ 753.079335] ? mark_held_locks+0x130/0x130 [ 753.083573] ? filemap_map_pages+0xd6b/0x1a20 [ 753.088075] ? lock_downgrade+0x900/0x900 [ 753.092213] ? check_preemption_disabled+0x48/0x280 [ 753.097224] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 753.102144] ? kasan_check_read+0x11/0x20 [ 753.106284] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 753.111557] ? rcu_softirq_qs+0x20/0x20 [ 753.115536] ? filemap_map_pages+0xd92/0x1a20 [ 753.120260] ? find_get_entries_tag+0x1400/0x1400 [ 753.125099] ? futex_wake+0x760/0x760 [ 753.128913] ? lock_acquire+0x1ed/0x520 [ 753.132889] ? ext4_filemap_fault+0x7a/0xad [ 753.137211] ? lock_release+0xa00/0xa00 [ 753.141284] ? perf_trace_sched_process_exec+0x860/0x860 [ 753.146749] ? print_usage_bug+0xc0/0xc0 [ 753.150807] ? print_usage_bug+0xc0/0xc0 [ 753.154886] ? down_read+0x8d/0x120 [ 753.158510] ? ext4_filemap_fault+0x7a/0xad [ 753.162827] ? __down_interruptible+0x700/0x700 [ 753.167501] ext4_filemap_fault+0x82/0xad [ 753.171644] __do_fault+0x100/0x6b0 [ 753.175285] ? pmd_devmap_trans_unstable+0x220/0x220 [ 753.180380] ? mark_held_locks+0x130/0x130 [ 753.184609] ? mark_held_locks+0x130/0x130 [ 753.188833] ? __might_fault+0x12b/0x1e0 [ 753.192896] ? lock_downgrade+0x900/0x900 [ 753.197038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 753.202572] __handle_mm_fault+0x3ea0/0x5be0 [ 753.206979] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 753.211842] ? kasan_check_read+0x11/0x20 [ 753.215991] ? _copy_to_user+0xc8/0x110 [ 753.220223] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 753.225762] ? zap_class+0x640/0x640 [ 753.229569] ? zap_class+0x640/0x640 [ 753.233397] ? find_held_lock+0x36/0x1c0 [ 753.237453] ? handle_mm_fault+0x42a/0xc70 [ 753.241678] ? lock_downgrade+0x900/0x900 [ 753.245820] ? check_preemption_disabled+0x48/0x280 [ 753.250826] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 753.255755] ? kasan_check_read+0x11/0x20 [ 753.259895] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 753.265164] ? rcu_softirq_qs+0x20/0x20 [ 753.269132] ? trace_hardirqs_off_caller+0x310/0x310 [ 753.274310] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 753.279853] ? check_preemption_disabled+0x48/0x280 [ 753.284992] handle_mm_fault+0x54f/0xc70 [ 753.289148] ? __handle_mm_fault+0x5be0/0x5be0 [ 753.293726] ? find_vma+0x34/0x190 [ 753.297263] __do_page_fault+0x5e8/0xe60 [ 753.301329] ? trace_hardirqs_off+0xb8/0x310 [ 753.305735] do_page_fault+0xf2/0x7e0 [ 753.309531] ? vmalloc_sync_all+0x30/0x30 [ 753.313670] ? error_entry+0x70/0xd0 [ 753.317388] ? trace_hardirqs_off_caller+0xbb/0x310 [ 753.322648] ? trace_hardirqs_on_caller+0xc0/0x310 [ 753.327662] ? syscall_return_slowpath+0x5e0/0x5e0 [ 753.332585] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 753.337446] ? trace_hardirqs_on_caller+0x310/0x310 [ 753.342461] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 753.347906] ? prepare_exit_to_usermode+0x291/0x3b0 [ 753.353002] ? page_fault+0x8/0x30 [ 753.356559] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 753.361417] ? page_fault+0x8/0x30 [ 753.365013] page_fault+0x1e/0x30 [ 753.368460] RIP: 0033:0x407e06 [ 753.371663] Code: Bad RIP value. [ 753.375019] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 753.380374] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 753.387638] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 753.394903] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 753.402165] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 753.409439] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 753.416737] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 753.416795] aoe: skb alloc failure [ 753.424656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 753.424674] Workqueue: events_power_efficient neigh_periodic_work [ 753.424681] Call Trace: [ 753.424701] dump_stack+0x244/0x39d [ 753.428236] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 753.437553] ? dump_stack_print_info.cold.1+0x20/0x20 [ 753.443759] syz-fuzzer cpuset=/ mems_allowed=0 [ 753.446346] warn_alloc.cold.116+0xb7/0x1bd [ 753.474171] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 753.479014] ? lock_downgrade+0x900/0x900 [ 753.483178] ? trace_hardirqs_off+0xb8/0x310 [ 753.487583] ? trace_hardirqs_off+0xb8/0x310 [ 753.492022] __alloc_pages_slowpath+0x26e8/0x2e10 [ 753.496884] ? warn_alloc+0x120/0x120 [ 753.500682] ? warn_alloc+0x120/0x120 [ 753.504473] ? warn_alloc+0x120/0x120 [ 753.508264] ? print_usage_bug+0xc0/0xc0 [ 753.512321] ? print_usage_bug+0xc0/0xc0 [ 753.516375] ? __lock_acquire+0x62f/0x4c20 [ 753.521055] ? update_load_avg+0x387/0x2470 [ 753.525382] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 753.530913] ? should_fail+0x22d/0xd01 [ 753.534802] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 753.539902] ? __lock_acquire+0x62f/0x4c20 [ 753.544139] ? __lock_acquire+0x62f/0x4c20 [ 753.548475] ? should_fail+0x22d/0xd01 [ 753.552467] ? check_preemption_disabled+0x48/0x280 [ 753.557488] ? mark_held_locks+0x130/0x130 [ 753.561727] ? mark_held_locks+0x130/0x130 [ 753.565961] ? rcu_read_lock_sched_held+0x14f/0x180 [ 753.570967] ? zap_class+0x640/0x640 [ 753.574692] ? zap_class+0x640/0x640 [ 753.578399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 753.583943] ? check_preemption_disabled+0x48/0x280 [ 753.588994] ? __lock_is_held+0xb5/0x140 [ 753.593054] __alloc_pages_nodemask+0xa80/0xde0 [ 753.597711] ? zap_class+0x640/0x640 [ 753.601426] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 753.606446] ? find_held_lock+0x36/0x1c0 [ 753.610504] ? ____cache_alloc_node+0x1c7/0x1e0 [ 753.615165] ? lock_downgrade+0x900/0x900 [ 753.619581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 753.625125] cache_grow_begin+0xa5/0x8c0 [ 753.629187] ? do_raw_spin_unlock+0xa7/0x330 [ 753.633601] fallback_alloc+0x204/0x2e0 [ 753.637590] ____cache_alloc_node+0x1c7/0x1e0 [ 753.642109] kmem_cache_alloc_node+0xe3/0x730 [ 753.646601] ? zap_class+0x640/0x640 [ 753.650312] ? __sched_text_start+0x8/0x8 [ 753.654466] __alloc_skb+0x119/0x770 [ 753.658174] ? zap_class+0x640/0x640 [ 753.661933] ? netdev_alloc_frag+0x1f0/0x1f0 [ 753.666434] ? neigh_periodic_work+0x8ca/0xc60 [ 753.671009] ? lock_downgrade+0x900/0x900 [ 753.675174] ? kasan_check_read+0x11/0x20 [ 753.679403] ? do_raw_write_lock+0x14f/0x310 [ 753.683820] __neigh_notify+0x8c/0x160 [ 753.687712] neigh_cleanup_and_release+0x7b/0xe0 [ 753.692462] neigh_periodic_work+0x8d2/0xc60 [ 753.696876] ? neigh_table_clear+0x390/0x390 [ 753.701283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 753.706814] ? check_preemption_disabled+0x48/0x280 [ 753.711852] ? __lock_is_held+0xb5/0x140 [ 753.715921] process_one_work+0xc90/0x1c40 [ 753.720620] ? mark_held_locks+0x130/0x130 [ 753.724939] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 753.729701] ? __switch_to_asm+0x40/0x70 [ 753.733750] ? __switch_to_asm+0x40/0x70 [ 753.737797] ? __switch_to_asm+0x34/0x70 [ 753.741855] ? __switch_to_asm+0x40/0x70 [ 753.745906] ? __switch_to_asm+0x34/0x70 [ 753.749973] ? __switch_to_asm+0x40/0x70 [ 753.754025] ? __switch_to_asm+0x34/0x70 [ 753.758076] ? __switch_to_asm+0x40/0x70 [ 753.762146] ? __schedule+0x8d7/0x21d0 [ 753.766111] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 753.770716] ? zap_class+0x640/0x640 [ 753.774429] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 753.779274] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 753.783870] ? lock_acquire+0x1ed/0x520 [ 753.787844] ? worker_thread+0x3e0/0x1390 [ 753.792002] ? kasan_check_read+0x11/0x20 [ 753.796141] ? do_raw_spin_lock+0x14f/0x350 [ 753.800468] ? kasan_check_read+0x11/0x20 [ 753.804610] ? rwlock_bug.part.2+0x90/0x90 [ 753.808955] ? trace_hardirqs_on+0x310/0x310 [ 753.813371] worker_thread+0x17f/0x1390 [ 753.817335] ? __switch_to_asm+0x34/0x70 [ 753.821682] ? process_one_work+0x1c40/0x1c40 [ 753.826186] ? __sched_text_start+0x8/0x8 [ 753.830894] ? __kthread_parkme+0xce/0x1a0 [ 753.835126] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 753.840225] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 753.845326] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 753.849914] ? trace_hardirqs_on+0xbd/0x310 [ 753.854251] ? kasan_check_read+0x11/0x20 [ 753.858396] ? __kthread_parkme+0xce/0x1a0 [ 753.862646] ? trace_hardirqs_off_caller+0x310/0x310 [ 753.867780] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 753.872880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 753.878415] ? __kthread_parkme+0xfb/0x1a0 [ 753.882649] ? process_one_work+0x1c40/0x1c40 [ 753.887136] kthread+0x35a/0x440 [ 753.890499] ? kthread_stop+0x900/0x900 [ 753.894468] ret_from_fork+0x3a/0x50 [ 753.898189] warn_alloc_show_mem: 1 callbacks suppressed [ 753.898199] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 753.898201] Mem-Info: [ 753.898243] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 753.898243] active_file:32 inactive_file:0 isolated_file:0 [ 753.898243] unevictable:0 dirty:0 writeback:0 unstable:0 [ 753.898243] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 753.898243] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 753.898243] free:13730 free_pcp:227 free_cma:0 [ 753.903588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 753.910596] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 753.912983] Call Trace: [ 753.946667] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 753.956008] [ 753.983850] lowmem_reserve[]: 0 2818 6321 6321 [ 753.986440] dump_stack+0x244/0x39d [ 754.012516] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 754.014659] ? dump_stack_print_info.cold.1+0x20/0x20 [ 754.019424] lowmem_reserve[]: 0 0 3503 3503 [ 754.023056] warn_alloc.cold.116+0xb7/0x1bd [ 754.050539] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 754.055809] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 754.060126] lowmem_reserve[]: 0 0 0 0 [ 754.064443] ? lock_downgrade+0x900/0x900 [ 754.093476] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 754.098314] ? trace_hardirqs_off+0xb8/0x310 [ 754.102082] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 754.106223] ? trace_hardirqs_off+0xb8/0x310 [ 754.119985] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 754.124399] __alloc_pages_slowpath+0x26e8/0x2e10 [ 754.139214] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 754.143627] ? warn_alloc+0x120/0x120 [ 754.157725] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 754.162551] ? warn_alloc+0x120/0x120 [ 754.171357] 6658 total pagecache pages [ 754.175158] ? __lock_acquire+0x62f/0x4c20 [ 754.183713] 0 pages in swap cache [ 754.187499] ? warn_alloc+0x120/0x120 [ 754.191362] Swap cache stats: add 0, delete 0, find 0/0 [ 754.195582] ? print_usage_bug+0xc0/0xc0 [ 754.199005] Free swap = 0kB [ 754.202788] ? print_usage_bug+0xc0/0xc0 [ 754.208120] Total swap = 0kB [ 754.212193] ? mark_held_locks+0x130/0x130 [ 754.215180] 1965979 pages RAM [ 754.219337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 754.219351] ? should_fail+0x22d/0xd01 [ 754.219366] ? zap_class+0x640/0x640 [ 754.222360] 0 pages HighMem/MovableOnly [ 754.226581] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 754.229657] 342853 pages reserved [ 754.235178] ? __lock_acquire+0x62f/0x4c20 [ 754.239047] 0 pages cma reserved [ 754.239186] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 754.242752] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 754.246696] kworker/1:0 cpuset=/ mems_allowed=0 [ 754.251810] ? should_fail+0x22d/0xd01 [ 754.286804] ? mark_held_locks+0x130/0x130 [ 754.291058] ? mark_held_locks+0x130/0x130 [ 754.295288] ? lock_downgrade+0x900/0x900 [ 754.299427] ? zap_class+0x640/0x640 [ 754.303150] ? zap_class+0x640/0x640 [ 754.306874] ? zap_class+0x640/0x640 [ 754.310593] ? do_raw_spin_unlock+0xa7/0x330 [ 754.315004] ? trace_hardirqs_on+0x310/0x310 [ 754.319680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.325222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.330750] ? check_preemption_disabled+0x48/0x280 [ 754.335789] ? __lock_is_held+0xb5/0x140 [ 754.339943] __alloc_pages_nodemask+0xa80/0xde0 [ 754.344606] ? zap_class+0x640/0x640 [ 754.348320] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 754.353456] ? find_held_lock+0x36/0x1c0 [ 754.358056] ? ____cache_alloc_node+0x1c7/0x1e0 [ 754.362742] ? lock_downgrade+0x900/0x900 [ 754.366980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.372511] cache_grow_begin+0xa5/0x8c0 [ 754.376560] ? do_raw_spin_unlock+0xa7/0x330 [ 754.380969] fallback_alloc+0x204/0x2e0 [ 754.384945] ____cache_alloc_node+0x1c7/0x1e0 [ 754.389435] kmem_cache_alloc_node+0xe3/0x730 [ 754.393944] ? lockdep_hardirqs_on+0x296/0x5b0 [ 754.398526] __alloc_skb+0x119/0x770 [ 754.402319] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 754.407679] ? netdev_alloc_frag+0x1f0/0x1f0 [ 754.412089] ? vprintk_default+0x28/0x30 [ 754.416155] ? vprintk_func+0x85/0x181 [ 754.420313] ? printk+0xa7/0xcf [ 754.423595] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 754.428438] new_skb+0x26/0x1c0 [ 754.431797] aoecmd_cfg+0x279/0x7f0 [ 754.435450] ? find_held_lock+0x36/0x1c0 [ 754.439510] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 754.443866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.449413] ? __lock_is_held+0xb5/0x140 [ 754.453494] discover_timer+0x50/0x60 [ 754.457288] call_timer_fn+0x272/0x920 [ 754.461185] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 754.466016] ? process_timeout+0x40/0x40 [ 754.470097] ? mark_held_locks+0xc7/0x130 [ 754.474330] ? _raw_spin_unlock_irq+0x27/0x80 [ 754.478830] ? _raw_spin_unlock_irq+0x27/0x80 [ 754.483316] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 754.488152] ? lockdep_hardirqs_on+0x296/0x5b0 [ 754.492859] ? trace_hardirqs_on+0xbd/0x310 [ 754.497176] ? kasan_check_read+0x11/0x20 [ 754.501319] ? __run_timers+0x7da/0xc70 [ 754.505287] ? trace_hardirqs_off_caller+0x310/0x310 [ 754.510392] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 754.515223] __run_timers+0x7e5/0xc70 [ 754.519292] ? timer_fixup_init+0x70/0x70 [ 754.523439] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 754.528449] ? zap_class+0x640/0x640 [ 754.532165] ? print_usage_bug+0xc0/0xc0 [ 754.536220] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 754.541406] ? find_held_lock+0x36/0x1c0 [ 754.545462] ? zap_class+0x640/0x640 [ 754.549171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.554730] ? check_preemption_disabled+0x48/0x280 [ 754.559750] ? __lock_is_held+0xb5/0x140 [ 754.563812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.569360] ? check_preemption_disabled+0x48/0x280 [ 754.574371] run_timer_softirq+0x52/0xb0 [ 754.578426] ? rcu_read_lock_sched_held+0x14f/0x180 [ 754.583523] __do_softirq+0x308/0xb7e [ 754.587317] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 754.591810] ? lock_downgrade+0x900/0x900 [ 754.595978] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 754.601084] ? pvclock_read_flags+0x160/0x160 [ 754.605570] ? lapic_next_event+0x5a/0x90 [ 754.609724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.615260] ? kvm_clock_read+0x18/0x30 [ 754.619493] ? kvm_sched_clock_read+0x9/0x20 [ 754.623894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.629424] ? check_preemption_disabled+0x48/0x280 [ 754.634459] irq_exit+0x17f/0x1c0 [ 754.637911] smp_apic_timer_interrupt+0x1cb/0x760 [ 754.642748] ? smp_reschedule_interrupt+0x109/0x650 [ 754.647761] ? smp_call_function_single_interrupt+0x650/0x650 [ 754.653641] ? interrupt_entry+0xb5/0xc0 [ 754.657698] ? trace_hardirqs_off_caller+0xbb/0x310 [ 754.663270] ? trace_hardirqs_off_caller+0xbb/0x310 [ 754.668373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 754.673213] ? trace_hardirqs_on_caller+0x310/0x310 [ 754.678220] ? trace_hardirqs_on_caller+0x310/0x310 [ 754.683247] ? task_prio+0x50/0x50 [ 754.686792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.692338] ? check_preemption_disabled+0x48/0x280 [ 754.697348] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 754.702278] apic_timer_interrupt+0xf/0x20 [ 754.706498] [ 754.708724] RIP: 0010:console_unlock+0x102f/0x1190 [ 754.713661] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 754.732900] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 754.740598] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 754.747854] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 754.755227] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 754.762488] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 754.769750] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 754.777028] ? netconsole_netdev_event+0x280/0x280 [ 754.781955] ? console_unlock+0x1026/0x1190 [ 754.786287] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 754.790949] ? vprintk_emit+0x846/0x990 [ 754.795588] ? lock_release+0xa00/0xa00 [ 754.799554] ? trace_hardirqs_on+0x70/0x310 [ 754.803864] ? vprintk_default+0x28/0x30 [ 754.807920] ? trace_hardirqs_off_caller+0x310/0x310 [ 754.813037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.818574] vprintk_emit+0x391/0x990 [ 754.822830] ? wake_up_klogd+0x180/0x180 [ 754.826889] ? find_held_lock+0x11/0x1c0 [ 754.830948] ? mark_held_locks+0xc7/0x130 [ 754.835096] ? _raw_spin_unlock_irq+0x27/0x80 [ 754.839580] ? _raw_spin_unlock_irq+0x27/0x80 [ 754.844069] vprintk_default+0x28/0x30 [ 754.847959] vprintk_func+0x7e/0x181 [ 754.851663] printk+0xa7/0xcf [ 754.854761] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 754.859513] ? _raw_spin_unlock_irq+0x60/0x80 [ 754.864013] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 754.869287] dump_header+0x7cc/0xf72 [ 754.873003] ? pagefault_out_of_memory+0x197/0x197 [ 754.877933] ? __lock_acquire+0x62f/0x4c20 [ 754.882182] ? print_usage_bug+0xc0/0xc0 [ 754.886245] ? zap_class+0x640/0x640 [ 754.889949] ? zap_class+0x640/0x640 [ 754.893654] ? print_usage_bug+0xc0/0xc0 [ 754.897705] ? print_usage_bug+0xc0/0xc0 [ 754.901875] ? find_held_lock+0x36/0x1c0 [ 754.905938] ? mark_held_locks+0xc7/0x130 [ 754.910083] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 754.915179] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 754.920531] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 754.925110] ? trace_hardirqs_on+0xbd/0x310 [ 754.929422] ? kasan_check_read+0x11/0x20 [ 754.933559] ? ___ratelimit+0x3b4/0x672 [ 754.937525] ? trace_hardirqs_off_caller+0x310/0x310 [ 754.942622] ? trace_hardirqs_on+0x310/0x310 [ 754.947034] ? lock_downgrade+0x900/0x900 [ 754.951194] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 754.956289] ? ___ratelimit+0x3b9/0x672 [ 754.960263] ? idr_get_free+0xf70/0xf70 [ 754.964226] ? kasan_check_read+0x11/0x20 [ 754.968364] ? do_raw_spin_unlock+0xa7/0x330 [ 754.972771] oom_kill_process.cold.27+0x10/0x903 [ 754.977546] ? zap_class+0x640/0x640 [ 754.981251] ? _raw_spin_unlock+0x2c/0x50 [ 754.985405] ? oom_badness+0xe6/0xaa0 [ 754.989201] ? oom_evaluate_task+0x540/0x540 [ 754.993703] ? find_held_lock+0x36/0x1c0 [ 754.997864] ? out_of_memory+0x974/0x1430 [ 755.002009] ? lock_downgrade+0x900/0x900 [ 755.006150] ? check_preemption_disabled+0x48/0x280 [ 755.011163] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 755.016083] ? kasan_check_read+0x11/0x20 [ 755.020405] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 755.025684] ? rcu_softirq_qs+0x20/0x20 [ 755.029652] ? kasan_check_write+0x14/0x20 [ 755.033883] ? oom_evaluate_task+0x302/0x540 [ 755.038282] out_of_memory+0xa84/0x1430 [ 755.042250] ? oom_killer_disable+0x3a0/0x3a0 [ 755.046739] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 755.051660] ? __ww_mutex_check_waiters+0x160/0x160 [ 755.056771] __alloc_pages_slowpath+0x2354/0x2e10 [ 755.061634] ? warn_alloc+0x120/0x120 [ 755.065419] ? mark_held_locks+0x130/0x130 [ 755.069644] ? find_get_entry+0xaae/0x1120 [ 755.073878] ? filemap_map_pages+0x1a20/0x1a20 [ 755.078572] ? zap_class+0x640/0x640 [ 755.082276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 755.087820] ? check_preemption_disabled+0x48/0x280 [ 755.092829] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 755.098441] ? should_fail+0x22d/0xd01 [ 755.102409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 755.107505] ? zap_class+0x640/0x640 [ 755.111223] ? __lock_is_held+0xb5/0x140 [ 755.115278] ? mark_held_locks+0x130/0x130 [ 755.119755] ? lock_release+0xa00/0xa00 [ 755.123723] ? perf_trace_sched_process_exec+0x860/0x860 [ 755.129164] ? xa_load+0x2ba/0x460 [ 755.132695] ? lock_downgrade+0x900/0x900 [ 755.136835] ? __might_sleep+0x95/0x190 [ 755.140828] __alloc_pages_nodemask+0xa80/0xde0 [ 755.145497] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 755.150507] ? __page_cache_alloc+0x191/0x5c0 [ 755.155009] ? xa_load+0x2e1/0x460 [ 755.158561] ? xa_clear_mark+0x40/0x40 [ 755.162451] ? zap_class+0x640/0x640 [ 755.166167] ? zap_class+0x640/0x640 [ 755.169873] ? zap_class+0x640/0x640 [ 755.173603] ? __do_page_cache_readahead+0x663/0x810 [ 755.178704] ? find_held_lock+0x36/0x1c0 [ 755.182793] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 755.188363] alloc_pages_current+0x173/0x350 [ 755.192768] __page_cache_alloc+0x38c/0x5c0 [ 755.197097] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 755.202020] ? kasan_check_read+0x11/0x20 [ 755.206247] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 755.211520] ? generic_perform_write+0x6a0/0x6a0 [ 755.216274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 755.222070] ? check_preemption_disabled+0x48/0x280 [ 755.227087] filemap_fault+0x1595/0x25f0 [ 755.231155] ? __lock_page_or_retry+0xa00/0xa00 [ 755.235830] ? mark_held_locks+0x130/0x130 [ 755.240063] ? filemap_map_pages+0xd6b/0x1a20 [ 755.244548] ? lock_downgrade+0x900/0x900 [ 755.248685] ? check_preemption_disabled+0x48/0x280 [ 755.253696] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 755.258620] ? kasan_check_read+0x11/0x20 [ 755.262765] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 755.268045] ? rcu_softirq_qs+0x20/0x20 [ 755.272028] ? filemap_map_pages+0xd92/0x1a20 [ 755.276549] ? find_get_entries_tag+0x1400/0x1400 [ 755.281476] ? futex_wake+0x760/0x760 [ 755.285392] ? lock_acquire+0x1ed/0x520 [ 755.289448] ? ext4_filemap_fault+0x7a/0xad [ 755.293771] ? lock_release+0xa00/0xa00 [ 755.297761] ? perf_trace_sched_process_exec+0x860/0x860 [ 755.303222] ? print_usage_bug+0xc0/0xc0 [ 755.307280] ? print_usage_bug+0xc0/0xc0 [ 755.311347] ? down_read+0x8d/0x120 [ 755.314963] ? ext4_filemap_fault+0x7a/0xad [ 755.319584] ? __down_interruptible+0x700/0x700 [ 755.324258] ext4_filemap_fault+0x82/0xad [ 755.328401] __do_fault+0x100/0x6b0 [ 755.332029] ? pmd_devmap_trans_unstable+0x220/0x220 [ 755.337132] ? mark_held_locks+0x130/0x130 [ 755.341464] ? mark_held_locks+0x130/0x130 [ 755.345693] ? __might_fault+0x12b/0x1e0 [ 755.349748] ? lock_downgrade+0x900/0x900 [ 755.353888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 755.359423] __handle_mm_fault+0x3ea0/0x5be0 [ 755.363834] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 755.368686] ? kasan_check_read+0x11/0x20 [ 755.372827] ? _copy_to_user+0xc8/0x110 [ 755.376813] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 755.382454] ? zap_class+0x640/0x640 [ 755.386162] ? zap_class+0x640/0x640 [ 755.389878] ? find_held_lock+0x36/0x1c0 [ 755.394068] ? handle_mm_fault+0x42a/0xc70 [ 755.398297] ? lock_downgrade+0x900/0x900 [ 755.402447] ? check_preemption_disabled+0x48/0x280 [ 755.407472] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 755.412392] ? kasan_check_read+0x11/0x20 [ 755.416535] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 755.422094] ? rcu_softirq_qs+0x20/0x20 [ 755.426170] ? trace_hardirqs_off_caller+0x310/0x310 [ 755.431383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 755.436917] ? check_preemption_disabled+0x48/0x280 [ 755.441937] handle_mm_fault+0x54f/0xc70 [ 755.446000] ? __handle_mm_fault+0x5be0/0x5be0 [ 755.450582] ? find_vma+0x34/0x190 [ 755.454128] __do_page_fault+0x5e8/0xe60 [ 755.458181] ? trace_hardirqs_off+0xb8/0x310 [ 755.462604] do_page_fault+0xf2/0x7e0 [ 755.466494] ? vmalloc_sync_all+0x30/0x30 [ 755.470659] ? error_entry+0x70/0xd0 [ 755.474451] ? trace_hardirqs_off_caller+0xbb/0x310 [ 755.479462] ? trace_hardirqs_on_caller+0xc0/0x310 [ 755.484474] ? syscall_return_slowpath+0x5e0/0x5e0 [ 755.489391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 755.494225] ? trace_hardirqs_on_caller+0x310/0x310 [ 755.499234] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 755.504686] ? prepare_exit_to_usermode+0x291/0x3b0 [ 755.509697] ? page_fault+0x8/0x30 [ 755.513233] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 755.518072] ? page_fault+0x8/0x30 [ 755.521796] page_fault+0x1e/0x30 [ 755.525241] RIP: 0033:0x407e06 [ 755.528478] Code: Bad RIP value. [ 755.531834] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 755.537194] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 755.544457] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 755.551719] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 755.558980] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 755.566358] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 755.573646] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 755.573707] aoe: skb alloc failure [ 755.580594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 755.580613] Workqueue: events_power_efficient neigh_periodic_work [ 755.584202] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 755.593461] Call Trace: [ 755.599698] syz-fuzzer cpuset=/ mems_allowed=0 [ 755.609913] dump_stack+0x244/0x39d [ 755.620995] ? dump_stack_print_info.cold.1+0x20/0x20 [ 755.626193] warn_alloc.cold.116+0xb7/0x1bd [ 755.630508] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 755.635350] ? lock_downgrade+0x900/0x900 [ 755.639497] ? trace_hardirqs_off+0xb8/0x310 [ 755.644001] ? trace_hardirqs_off+0xb8/0x310 [ 755.648407] __alloc_pages_slowpath+0x26e8/0x2e10 [ 755.653265] ? warn_alloc+0x120/0x120 [ 755.657065] ? warn_alloc+0x120/0x120 [ 755.660868] ? warn_alloc+0x120/0x120 [ 755.664680] ? print_usage_bug+0xc0/0xc0 [ 755.668737] ? __lock_acquire+0x62f/0x4c20 [ 755.672982] ? print_usage_bug+0xc0/0xc0 [ 755.677035] ? __lock_acquire+0x62f/0x4c20 [ 755.681265] ? update_load_avg+0x387/0x2470 [ 755.685592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 755.691126] ? should_fail+0x22d/0xd01 [ 755.695014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 755.700237] ? __lock_acquire+0x62f/0x4c20 [ 755.704497] ? __lock_acquire+0x62f/0x4c20 [ 755.708728] ? should_fail+0x22d/0xd01 [ 755.712617] ? mark_held_locks+0x130/0x130 [ 755.716859] ? mark_held_locks+0x130/0x130 [ 755.721601] ? mark_held_locks+0xc7/0x130 [ 755.725748] ? zap_class+0x640/0x640 [ 755.729463] ? zap_class+0x640/0x640 [ 755.733173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 755.738708] ? check_preemption_disabled+0x48/0x280 [ 755.743728] ? __lock_is_held+0xb5/0x140 [ 755.747803] __alloc_pages_nodemask+0xa80/0xde0 [ 755.752498] ? zap_class+0x640/0x640 [ 755.756215] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 755.761243] ? find_held_lock+0x36/0x1c0 [ 755.765318] ? ____cache_alloc_node+0x1c7/0x1e0 [ 755.769984] ? lock_downgrade+0x900/0x900 [ 755.774149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 755.779686] cache_grow_begin+0xa5/0x8c0 [ 755.783754] ? do_raw_spin_unlock+0xa7/0x330 [ 755.788186] fallback_alloc+0x204/0x2e0 [ 755.792182] ____cache_alloc_node+0x1c7/0x1e0 [ 755.796699] kmem_cache_alloc_node+0xe3/0x730 [ 755.801188] ? zap_class+0x640/0x640 [ 755.804906] __alloc_skb+0x119/0x770 [ 755.808635] ? netdev_alloc_frag+0x1f0/0x1f0 [ 755.813048] ? neigh_periodic_work+0x8ca/0xc60 [ 755.817627] ? lock_downgrade+0x900/0x900 [ 755.822025] ? kasan_check_read+0x11/0x20 [ 755.826161] ? do_raw_write_lock+0x14f/0x310 [ 755.831116] __neigh_notify+0x8c/0x160 [ 755.835007] neigh_cleanup_and_release+0x7b/0xe0 [ 755.839755] neigh_periodic_work+0x8d2/0xc60 [ 755.844190] ? neigh_table_clear+0x390/0x390 [ 755.848654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 755.854185] ? check_preemption_disabled+0x48/0x280 [ 755.859205] ? __lock_is_held+0xb5/0x140 [ 755.863297] process_one_work+0xc90/0x1c40 [ 755.867526] ? mark_held_locks+0x130/0x130 [ 755.871770] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 755.876463] ? __switch_to_asm+0x40/0x70 [ 755.880516] ? __switch_to_asm+0x40/0x70 [ 755.884584] ? __switch_to_asm+0x34/0x70 [ 755.888636] ? __switch_to_asm+0x40/0x70 [ 755.892692] ? __switch_to_asm+0x34/0x70 [ 755.896839] ? __switch_to_asm+0x40/0x70 [ 755.900891] ? __switch_to_asm+0x34/0x70 [ 755.904946] ? __switch_to_asm+0x40/0x70 [ 755.909008] ? __schedule+0x8d7/0x21d0 [ 755.913012] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 755.917606] ? zap_class+0x640/0x640 [ 755.921774] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 755.926533] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 755.931129] ? lock_acquire+0x1ed/0x520 [ 755.935100] ? worker_thread+0x3e0/0x1390 [ 755.939246] ? kasan_check_read+0x11/0x20 [ 755.943387] ? do_raw_spin_lock+0x14f/0x350 [ 755.947697] ? kasan_check_read+0x11/0x20 [ 755.951835] ? rwlock_bug.part.2+0x90/0x90 [ 755.956176] ? trace_hardirqs_on+0x310/0x310 [ 755.960588] worker_thread+0x17f/0x1390 [ 755.964555] ? __switch_to_asm+0x34/0x70 [ 755.968618] ? process_one_work+0x1c40/0x1c40 [ 755.973119] ? __sched_text_start+0x8/0x8 [ 755.977288] ? __kthread_parkme+0xce/0x1a0 [ 755.981521] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 755.986615] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 755.991709] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 755.996292] ? trace_hardirqs_on+0xbd/0x310 [ 756.000625] ? kasan_check_read+0x11/0x20 [ 756.004772] ? __kthread_parkme+0xce/0x1a0 [ 756.009002] ? trace_hardirqs_off_caller+0x310/0x310 [ 756.014122] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 756.019522] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 756.025073] ? __kthread_parkme+0xfb/0x1a0 [ 756.029304] ? process_one_work+0x1c40/0x1c40 [ 756.033794] kthread+0x35a/0x440 [ 756.037156] ? kthread_stop+0x900/0x900 [ 756.041153] ret_from_fork+0x3a/0x50 [ 756.045505] warn_alloc_show_mem: 1 callbacks suppressed [ 756.045515] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 756.045516] Mem-Info: [ 756.045545] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 756.045545] active_file:32 inactive_file:0 isolated_file:0 [ 756.045545] unevictable:0 dirty:0 writeback:0 unstable:0 [ 756.045545] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 756.045545] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 756.045545] free:13730 free_pcp:227 free_cma:0 [ 756.050886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 756.050894] Call Trace: [ 756.057904] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 756.060273] [ 756.060308] dump_stack+0x244/0x39d [ 756.093244] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 756.102589] ? dump_stack_print_info.cold.1+0x20/0x20 [ 756.105143] lowmem_reserve[]: 0 2818 6321 6321 [ 756.133263] warn_alloc.cold.116+0xb7/0x1bd [ 756.135379] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 756.139001] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 756.165072] lowmem_reserve[]: 0 0 3503 3503 [ 756.170259] ? lock_downgrade+0x900/0x900 [ 756.174819] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 756.179140] ? trace_hardirqs_off+0xb8/0x310 [ 756.206610] lowmem_reserve[]: 0 0 0 0 [ 756.211448] ? trace_hardirqs_off+0xb8/0x310 [ 756.215741] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 756.220118] __alloc_pages_slowpath+0x26e8/0x2e10 [ 756.249144] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 756.253563] ? warn_alloc+0x120/0x120 [ 756.257332] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 756.261753] ? warn_alloc+0x120/0x120 [ 756.275248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 756.280075] ? warn_alloc+0x120/0x120 [ 756.294786] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 756.298562] ? print_usage_bug+0xc0/0xc0 [ 756.312773] 6658 total pagecache pages [ 756.312790] 0 pages in swap cache [ 756.316570] ? check_preemption_disabled+0x48/0x280 [ 756.325645] Swap cache stats: add 0, delete 0, find 0/0 [ 756.329427] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 756.337979] Free swap = 0kB [ 756.342021] ? print_usage_bug+0xc0/0xc0 [ 756.345876] Total swap = 0kB [ 756.349310] ? kasan_check_read+0x11/0x20 [ 756.354293] 1965979 pages RAM [ 756.359637] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 756.364105] 0 pages HighMem/MovableOnly [ 756.367111] ? rcu_softirq_qs+0x20/0x20 [ 756.371237] 342853 pages reserved [ 756.374242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.378360] 0 pages cma reserved [ 756.381472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 756.386868] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 756.390721] ? should_fail+0x22d/0xd01 [ 756.394676] kworker/1:0 cpuset=/ mems_allowed=0 [ 756.398117] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 756.436661] ? __lock_acquire+0x62f/0x4c20 [ 756.440892] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 756.445998] ? __lock_acquire+0x62f/0x4c20 [ 756.450218] ? should_fail+0x22d/0xd01 [ 756.454096] ? task_prio+0x50/0x50 [ 756.457634] ? mark_held_locks+0x130/0x130 [ 756.461880] ? mark_held_locks+0x130/0x130 [ 756.466122] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 756.470877] ? lockdep_hardirqs_on+0x296/0x5b0 [ 756.475463] ? retint_kernel+0x2d/0x2d [ 756.479346] ? zap_class+0x640/0x640 [ 756.483059] ? print_usage_bug+0xc0/0xc0 [ 756.487128] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 756.492658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.498186] ? check_preemption_disabled+0x48/0x280 [ 756.503201] ? __lock_is_held+0xb5/0x140 [ 756.507258] __alloc_pages_nodemask+0xa80/0xde0 [ 756.511949] ? zap_class+0x640/0x640 [ 756.515657] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 756.520920] ? find_held_lock+0x36/0x1c0 [ 756.524997] ? ____cache_alloc_node+0x1c7/0x1e0 [ 756.529661] ? lock_downgrade+0x900/0x900 [ 756.533814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.539343] cache_grow_begin+0xa5/0x8c0 [ 756.543396] ? do_raw_spin_unlock+0xa7/0x330 [ 756.547816] fallback_alloc+0x204/0x2e0 [ 756.551788] ____cache_alloc_node+0x1c7/0x1e0 [ 756.556283] kmem_cache_alloc_node+0xe3/0x730 [ 756.560777] ? ipv6_get_ifaddr+0x42e/0x620 [ 756.565126] __alloc_skb+0x119/0x770 [ 756.568854] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 756.574130] ? netdev_alloc_frag+0x1f0/0x1f0 [ 756.578540] ? lock_downgrade+0x900/0x900 [ 756.582686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.588222] ? refcount_sub_and_test_checked+0x203/0x310 [ 756.593717] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 756.599174] ? addrconf_rs_timer+0x690/0x690 [ 756.603589] ndisc_alloc_skb+0x144/0x340 [ 756.607646] ndisc_send_rs+0x331/0x6e0 [ 756.611531] addrconf_rs_timer+0x314/0x690 [ 756.615774] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 756.620218] call_timer_fn+0x272/0x920 [ 756.624100] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 756.628344] ? process_timeout+0x40/0x40 [ 756.632410] ? mark_held_locks+0xc7/0x130 [ 756.636553] ? _raw_spin_unlock_irq+0x27/0x80 [ 756.641049] ? _raw_spin_unlock_irq+0x27/0x80 [ 756.645548] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 756.649780] ? lockdep_hardirqs_on+0x296/0x5b0 [ 756.654371] ? trace_hardirqs_on+0xbd/0x310 [ 756.658683] ? kasan_check_read+0x11/0x20 [ 756.663285] ? __run_timers+0x7da/0xc70 [ 756.667260] ? trace_hardirqs_off_caller+0x310/0x310 [ 756.672368] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 756.677208] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 756.681434] __run_timers+0x7e5/0xc70 [ 756.685240] ? timer_fixup_init+0x70/0x70 [ 756.689386] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 756.694395] ? zap_class+0x640/0x640 [ 756.698122] ? print_usage_bug+0xc0/0xc0 [ 756.702193] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 756.707472] ? find_held_lock+0x36/0x1c0 [ 756.711544] ? zap_class+0x640/0x640 [ 756.715255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.721076] ? check_preemption_disabled+0x48/0x280 [ 756.726108] ? __lock_is_held+0xb5/0x140 [ 756.730164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.735724] ? check_preemption_disabled+0x48/0x280 [ 756.740774] run_timer_softirq+0x52/0xb0 [ 756.744825] ? rcu_read_lock_sched_held+0x14f/0x180 [ 756.749837] __do_softirq+0x308/0xb7e [ 756.753634] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 756.758125] ? lock_downgrade+0x900/0x900 [ 756.762281] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 756.767381] ? pvclock_read_flags+0x160/0x160 [ 756.771870] ? lapic_next_event+0x5a/0x90 [ 756.776011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.781541] ? kvm_clock_read+0x18/0x30 [ 756.785526] ? kvm_sched_clock_read+0x9/0x20 [ 756.789942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.795477] ? check_preemption_disabled+0x48/0x280 [ 756.800494] irq_exit+0x17f/0x1c0 [ 756.803939] smp_apic_timer_interrupt+0x1cb/0x760 [ 756.808771] ? smp_reschedule_interrupt+0x109/0x650 [ 756.813795] ? smp_call_function_single_interrupt+0x650/0x650 [ 756.819948] ? interrupt_entry+0xb5/0xc0 [ 756.824007] ? trace_hardirqs_off_caller+0xbb/0x310 [ 756.829013] ? trace_hardirqs_off_caller+0xbb/0x310 [ 756.834026] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 756.838860] ? trace_hardirqs_on_caller+0x310/0x310 [ 756.843884] ? trace_hardirqs_on_caller+0x310/0x310 [ 756.848894] ? task_prio+0x50/0x50 [ 756.852431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.857959] ? check_preemption_disabled+0x48/0x280 [ 756.862986] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 756.867839] apic_timer_interrupt+0xf/0x20 [ 756.872060] [ 756.874311] RIP: 0010:console_unlock+0x102f/0x1190 [ 756.879235] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 756.898135] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 756.905833] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 756.913090] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 756.920631] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 756.927988] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 756.935243] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 756.942596] ? netconsole_netdev_event+0x280/0x280 [ 756.947518] ? console_unlock+0x1026/0x1190 [ 756.951848] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 756.956524] ? vprintk_emit+0x846/0x990 [ 756.960493] ? lock_release+0xa00/0xa00 [ 756.964463] ? trace_hardirqs_on+0x70/0x310 [ 756.968881] ? vprintk_default+0x28/0x30 [ 756.972944] ? trace_hardirqs_off_caller+0x310/0x310 [ 756.978044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.983588] vprintk_emit+0x391/0x990 [ 756.987391] ? wake_up_klogd+0x180/0x180 [ 756.991456] ? find_held_lock+0x11/0x1c0 [ 756.995521] ? mark_held_locks+0xc7/0x130 [ 756.999781] ? _raw_spin_unlock_irq+0x27/0x80 [ 757.004271] ? _raw_spin_unlock_irq+0x27/0x80 [ 757.008773] vprintk_default+0x28/0x30 [ 757.012657] vprintk_func+0x7e/0x181 [ 757.016368] printk+0xa7/0xcf [ 757.019769] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 757.024523] ? _raw_spin_unlock_irq+0x60/0x80 [ 757.029033] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 757.034322] dump_header+0x7cc/0xf72 [ 757.038148] ? pagefault_out_of_memory+0x197/0x197 [ 757.043079] ? __lock_acquire+0x62f/0x4c20 [ 757.047432] ? print_usage_bug+0xc0/0xc0 [ 757.051494] ? zap_class+0x640/0x640 [ 757.055195] ? zap_class+0x640/0x640 [ 757.058898] ? print_usage_bug+0xc0/0xc0 [ 757.062951] ? print_usage_bug+0xc0/0xc0 [ 757.067010] ? find_held_lock+0x36/0x1c0 [ 757.071069] ? mark_held_locks+0xc7/0x130 [ 757.075207] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 757.080301] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 757.085397] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 757.090091] ? trace_hardirqs_on+0xbd/0x310 [ 757.094410] ? kasan_check_read+0x11/0x20 [ 757.098552] ? ___ratelimit+0x3b4/0x672 [ 757.102524] ? trace_hardirqs_off_caller+0x310/0x310 [ 757.107623] ? trace_hardirqs_on+0x310/0x310 [ 757.112027] ? lock_downgrade+0x900/0x900 [ 757.116196] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 757.121591] ? ___ratelimit+0x3b9/0x672 [ 757.125563] ? idr_get_free+0xf70/0xf70 [ 757.129531] ? kasan_check_read+0x11/0x20 [ 757.133673] ? do_raw_spin_unlock+0xa7/0x330 [ 757.138088] oom_kill_process.cold.27+0x10/0x903 [ 757.142855] ? zap_class+0x640/0x640 [ 757.146563] ? _raw_spin_unlock+0x2c/0x50 [ 757.150705] ? oom_badness+0xe6/0xaa0 [ 757.154540] ? oom_evaluate_task+0x540/0x540 [ 757.158949] ? find_held_lock+0x36/0x1c0 [ 757.163032] ? out_of_memory+0x974/0x1430 [ 757.167178] ? lock_downgrade+0x900/0x900 [ 757.171320] ? check_preemption_disabled+0x48/0x280 [ 757.176333] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 757.181259] ? kasan_check_read+0x11/0x20 [ 757.185400] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 757.190676] ? rcu_softirq_qs+0x20/0x20 [ 757.194653] ? kasan_check_write+0x14/0x20 [ 757.198880] ? oom_evaluate_task+0x302/0x540 [ 757.203288] out_of_memory+0xa84/0x1430 [ 757.207262] ? oom_killer_disable+0x3a0/0x3a0 [ 757.211779] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 757.216704] ? __ww_mutex_check_waiters+0x160/0x160 [ 757.222032] __alloc_pages_slowpath+0x2354/0x2e10 [ 757.226894] ? warn_alloc+0x120/0x120 [ 757.230810] ? mark_held_locks+0x130/0x130 [ 757.235043] ? find_get_entry+0xaae/0x1120 [ 757.239295] ? filemap_map_pages+0x1a20/0x1a20 [ 757.243876] ? zap_class+0x640/0x640 [ 757.247589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 757.253124] ? check_preemption_disabled+0x48/0x280 [ 757.258136] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 757.263772] ? should_fail+0x22d/0xd01 [ 757.267670] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 757.272769] ? zap_class+0x640/0x640 [ 757.276519] ? __lock_is_held+0xb5/0x140 [ 757.280583] ? mark_held_locks+0x130/0x130 [ 757.284832] ? lock_release+0xa00/0xa00 [ 757.288801] ? perf_trace_sched_process_exec+0x860/0x860 [ 757.294245] ? xa_load+0x2ba/0x460 [ 757.297780] ? lock_downgrade+0x900/0x900 [ 757.301928] ? __might_sleep+0x95/0x190 [ 757.305911] __alloc_pages_nodemask+0xa80/0xde0 [ 757.310598] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 757.315610] ? __page_cache_alloc+0x191/0x5c0 [ 757.320379] ? xa_load+0x2e1/0x460 [ 757.323914] ? xa_clear_mark+0x40/0x40 [ 757.327794] ? zap_class+0x640/0x640 [ 757.331511] ? zap_class+0x640/0x640 [ 757.335218] ? zap_class+0x640/0x640 [ 757.339012] ? __do_page_cache_readahead+0x663/0x810 [ 757.344111] ? find_held_lock+0x36/0x1c0 [ 757.348173] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 757.353778] alloc_pages_current+0x173/0x350 [ 757.358193] __page_cache_alloc+0x38c/0x5c0 [ 757.362513] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 757.367434] ? kasan_check_read+0x11/0x20 [ 757.371577] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 757.376853] ? generic_perform_write+0x6a0/0x6a0 [ 757.381608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 757.387142] ? check_preemption_disabled+0x48/0x280 [ 757.392162] filemap_fault+0x1595/0x25f0 [ 757.396232] ? __lock_page_or_retry+0xa00/0xa00 [ 757.400900] ? mark_held_locks+0x130/0x130 [ 757.405137] ? filemap_map_pages+0xd6b/0x1a20 [ 757.409640] ? lock_downgrade+0x900/0x900 [ 757.413783] ? check_preemption_disabled+0x48/0x280 [ 757.418811] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 757.424037] ? kasan_check_read+0x11/0x20 [ 757.428179] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 757.433477] ? rcu_softirq_qs+0x20/0x20 [ 757.437458] ? filemap_map_pages+0xd92/0x1a20 [ 757.441967] ? find_get_entries_tag+0x1400/0x1400 [ 757.446813] ? futex_wake+0x760/0x760 [ 757.450616] ? lock_acquire+0x1ed/0x520 [ 757.454583] ? ext4_filemap_fault+0x7a/0xad [ 757.458923] ? lock_release+0xa00/0xa00 [ 757.462884] ? perf_trace_sched_process_exec+0x860/0x860 [ 757.468325] ? print_usage_bug+0xc0/0xc0 [ 757.472378] ? print_usage_bug+0xc0/0xc0 [ 757.476440] ? down_read+0x8d/0x120 [ 757.480054] ? ext4_filemap_fault+0x7a/0xad [ 757.484368] ? __down_interruptible+0x700/0x700 [ 757.489057] ext4_filemap_fault+0x82/0xad [ 757.493215] __do_fault+0x100/0x6b0 [ 757.496856] ? pmd_devmap_trans_unstable+0x220/0x220 [ 757.501967] ? mark_held_locks+0x130/0x130 [ 757.506199] ? mark_held_locks+0x130/0x130 [ 757.510428] ? __might_fault+0x12b/0x1e0 [ 757.514480] ? lock_downgrade+0x900/0x900 [ 757.518623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 757.524431] __handle_mm_fault+0x3ea0/0x5be0 [ 757.528850] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 757.533685] ? kasan_check_read+0x11/0x20 [ 757.537836] ? _copy_to_user+0xc8/0x110 [ 757.541825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 757.547376] ? zap_class+0x640/0x640 [ 757.551084] ? zap_class+0x640/0x640 [ 757.554799] ? find_held_lock+0x36/0x1c0 [ 757.558863] ? handle_mm_fault+0x42a/0xc70 [ 757.563093] ? lock_downgrade+0x900/0x900 [ 757.567318] ? check_preemption_disabled+0x48/0x280 [ 757.572326] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 757.577247] ? kasan_check_read+0x11/0x20 [ 757.581385] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 757.586677] ? rcu_softirq_qs+0x20/0x20 [ 757.590652] ? trace_hardirqs_off_caller+0x310/0x310 [ 757.595833] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 757.601366] ? check_preemption_disabled+0x48/0x280 [ 757.606384] handle_mm_fault+0x54f/0xc70 [ 757.610540] ? __handle_mm_fault+0x5be0/0x5be0 [ 757.615122] ? find_vma+0x34/0x190 [ 757.618666] __do_page_fault+0x5e8/0xe60 [ 757.622956] ? trace_hardirqs_off+0xb8/0x310 [ 757.627545] do_page_fault+0xf2/0x7e0 [ 757.631443] ? vmalloc_sync_all+0x30/0x30 [ 757.635606] ? error_entry+0x70/0xd0 [ 757.639320] ? trace_hardirqs_off_caller+0xbb/0x310 [ 757.644329] ? trace_hardirqs_on_caller+0xc0/0x310 [ 757.649252] ? syscall_return_slowpath+0x5e0/0x5e0 [ 757.654177] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 757.659016] ? trace_hardirqs_on_caller+0x310/0x310 [ 757.664530] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 757.669979] ? prepare_exit_to_usermode+0x291/0x3b0 [ 757.674990] ? page_fault+0x8/0x30 [ 757.678534] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 757.683376] ? page_fault+0x8/0x30 [ 757.686911] page_fault+0x1e/0x30 [ 757.690359] RIP: 0033:0x407e06 [ 757.693566] Code: Bad RIP value. [ 757.696921] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 757.702279] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 757.709629] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 757.716890] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 757.724405] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 757.731667] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 757.738974] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 757.739035] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 757.745898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 757.745917] Workqueue: events_power_efficient neigh_periodic_work [ 757.745944] Call Trace: [ 757.745964] dump_stack+0x244/0x39d [ 757.752517] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 757.761803] ? dump_stack_print_info.cold.1+0x20/0x20 [ 757.768003] syz-fuzzer cpuset=/ mems_allowed=0 [ 757.770579] warn_alloc.cold.116+0xb7/0x1bd [ 757.798434] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 757.803293] ? lock_downgrade+0x900/0x900 [ 757.807463] ? trace_hardirqs_off+0xb8/0x310 [ 757.811886] ? trace_hardirqs_off+0xb8/0x310 [ 757.816301] __alloc_pages_slowpath+0x26e8/0x2e10 [ 757.821463] ? warn_alloc+0x120/0x120 [ 757.825262] ? warn_alloc+0x120/0x120 [ 757.829552] ? warn_alloc+0x120/0x120 [ 757.833354] ? print_usage_bug+0xc0/0xc0 [ 757.837414] ? __lock_acquire+0x62f/0x4c20 [ 757.841643] ? print_usage_bug+0xc0/0xc0 [ 757.845704] ? __lock_acquire+0x62f/0x4c20 [ 757.849930] ? update_load_avg+0x387/0x2470 [ 757.854254] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 757.859810] ? should_fail+0x22d/0xd01 [ 757.863704] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 757.868803] ? __lock_acquire+0x62f/0x4c20 [ 757.873039] ? __lock_acquire+0x62f/0x4c20 [ 757.877286] ? should_fail+0x22d/0xd01 [ 757.881177] ? mark_held_locks+0x130/0x130 [ 757.885415] ? mark_held_locks+0x130/0x130 [ 757.889653] ? mark_held_locks+0xc7/0x130 [ 757.893797] ? zap_class+0x640/0x640 [ 757.897512] ? zap_class+0x640/0x640 [ 757.901232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 757.906767] ? check_preemption_disabled+0x48/0x280 [ 757.911788] ? __lock_is_held+0xb5/0x140 [ 757.915851] __alloc_pages_nodemask+0xa80/0xde0 [ 757.920820] ? zap_class+0x640/0x640 [ 757.924624] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 757.929648] ? find_held_lock+0x36/0x1c0 [ 757.933723] ? ____cache_alloc_node+0x1c7/0x1e0 [ 757.938389] ? lock_downgrade+0x900/0x900 [ 757.942540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 757.948073] cache_grow_begin+0xa5/0x8c0 [ 757.952147] ? do_raw_spin_unlock+0xa7/0x330 [ 757.956555] fallback_alloc+0x204/0x2e0 [ 757.960556] ____cache_alloc_node+0x1c7/0x1e0 [ 757.965055] kmem_cache_alloc_node+0xe3/0x730 [ 757.969629] ? zap_class+0x640/0x640 [ 757.973351] __alloc_skb+0x119/0x770 [ 757.977064] ? netdev_alloc_frag+0x1f0/0x1f0 [ 757.981474] ? neigh_periodic_work+0x8ca/0xc60 [ 757.986056] ? lock_downgrade+0x900/0x900 [ 757.990210] ? kasan_check_read+0x11/0x20 [ 757.994351] ? do_raw_write_lock+0x14f/0x310 [ 757.998776] __neigh_notify+0x8c/0x160 [ 758.002665] neigh_cleanup_and_release+0x7b/0xe0 [ 758.007511] neigh_periodic_work+0x8d2/0xc60 [ 758.011945] ? neigh_table_clear+0x390/0x390 [ 758.016352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.022377] ? check_preemption_disabled+0x48/0x280 [ 758.027400] ? __lock_is_held+0xb5/0x140 [ 758.031473] process_one_work+0xc90/0x1c40 [ 758.035710] ? mark_held_locks+0x130/0x130 [ 758.039950] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 758.044614] ? __switch_to_asm+0x40/0x70 [ 758.048667] ? __switch_to_asm+0x40/0x70 [ 758.052731] ? __switch_to_asm+0x34/0x70 [ 758.056797] ? __switch_to_asm+0x40/0x70 [ 758.060851] ? __switch_to_asm+0x34/0x70 [ 758.064903] ? __switch_to_asm+0x40/0x70 [ 758.069078] ? __switch_to_asm+0x34/0x70 [ 758.073135] ? __switch_to_asm+0x40/0x70 [ 758.077205] ? __schedule+0x8d7/0x21d0 [ 758.081088] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 758.085676] ? zap_class+0x640/0x640 [ 758.089392] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 758.094149] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 758.098740] ? lock_acquire+0x1ed/0x520 [ 758.102717] ? worker_thread+0x3e0/0x1390 [ 758.106871] ? kasan_check_read+0x11/0x20 [ 758.111101] ? do_raw_spin_lock+0x14f/0x350 [ 758.115418] ? kasan_check_read+0x11/0x20 [ 758.120034] ? rwlock_bug.part.2+0x90/0x90 [ 758.124263] ? trace_hardirqs_on+0x310/0x310 [ 758.128702] worker_thread+0x17f/0x1390 [ 758.132672] ? __switch_to_asm+0x34/0x70 [ 758.136746] ? process_one_work+0x1c40/0x1c40 [ 758.141253] ? __sched_text_start+0x8/0x8 [ 758.145416] ? __kthread_parkme+0xce/0x1a0 [ 758.149647] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 758.154743] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 758.159843] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 758.164420] ? trace_hardirqs_on+0xbd/0x310 [ 758.168737] ? kasan_check_read+0x11/0x20 [ 758.172874] ? __kthread_parkme+0xce/0x1a0 [ 758.177099] ? trace_hardirqs_off_caller+0x310/0x310 [ 758.182218] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 758.187314] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 758.192841] ? __kthread_parkme+0xfb/0x1a0 [ 758.197073] ? process_one_work+0x1c40/0x1c40 [ 758.201564] kthread+0x35a/0x440 [ 758.204925] ? kthread_stop+0x900/0x900 [ 758.208896] ret_from_fork+0x3a/0x50 [ 758.212619] warn_alloc_show_mem: 1 callbacks suppressed [ 758.212629] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 758.212631] Mem-Info: [ 758.212664] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 758.212664] active_file:32 inactive_file:0 isolated_file:0 [ 758.212664] unevictable:0 dirty:0 writeback:0 unstable:0 [ 758.212664] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 758.212664] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 758.212664] free:13730 free_pcp:227 free_cma:0 [ 758.218000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 758.218008] Call Trace: [ 758.226020] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 758.228408] [ 758.261372] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 758.270741] dump_stack+0x244/0x39d [ 758.273297] lowmem_reserve[]: 0 2818 6321 6321 [ 758.301133] ? dump_stack_print_info.cold.1+0x20/0x20 [ 758.303256] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 758.329638] warn_alloc.cold.116+0xb7/0x1bd [ 758.333223] lowmem_reserve[]: 0 0 3503 3503 [ 758.337800] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 758.342975] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 758.370588] ? lock_downgrade+0x900/0x900 [ 758.374881] lowmem_reserve[]: 0 0 0 0 [ 758.379299] ? trace_hardirqs_off+0xb8/0x310 [ 758.384107] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 758.413274] ? trace_hardirqs_off+0xb8/0x310 [ 758.417390] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 758.421469] __alloc_pages_slowpath+0x26e8/0x2e10 [ 758.425845] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 758.439378] ? warn_alloc+0x120/0x120 [ 758.443743] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 758.458463] ? print_usage_bug+0xc0/0xc0 [ 758.463282] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 758.477569] ? warn_alloc+0x120/0x120 [ 758.481437] 6658 total pagecache pages [ 758.490273] ? warn_alloc+0x120/0x120 [ 758.494309] 0 pages in swap cache [ 758.502864] ? print_usage_bug+0xc0/0xc0 [ 758.506642] Swap cache stats: add 0, delete 0, find 0/0 [ 758.510513] ? kvm_clock_read+0x18/0x30 [ 758.514283] Free swap = 0kB [ 758.517723] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 758.522004] Total swap = 0kB [ 758.527355] ? print_usage_bug+0xc0/0xc0 [ 758.531302] 1965979 pages RAM [ 758.534307] ? __lock_acquire+0x62f/0x4c20 [ 758.539408] 0 pages HighMem/MovableOnly [ 758.539416] 342853 pages reserved [ 758.542427] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 758.546456] 0 pages cma reserved [ 758.549546] ? should_fail+0x22d/0xd01 [ 758.553952] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 758.557800] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 758.561226] kworker/1:0 cpuset=/ mems_allowed=0 [ 758.566840] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 758.599352] ? __lock_acquire+0x62f/0x4c20 [ 758.603597] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 758.608700] ? __lock_acquire+0x62f/0x4c20 [ 758.612923] ? should_fail+0x22d/0xd01 [ 758.616809] ? rcu_irq_exit+0x1a2/0x390 [ 758.621038] ? mark_held_locks+0x130/0x130 [ 758.625272] ? mark_held_locks+0x130/0x130 [ 758.629525] ? mark_held_locks+0xc7/0x130 [ 758.633676] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 758.638697] ? zap_class+0x640/0x640 [ 758.642405] ? print_usage_bug+0xc0/0xc0 [ 758.646468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.652000] ? check_preemption_disabled+0x48/0x280 [ 758.657026] ? __lock_is_held+0xb5/0x140 [ 758.661574] __alloc_pages_nodemask+0xa80/0xde0 [ 758.666245] ? zap_class+0x640/0x640 [ 758.670001] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 758.675023] ? find_held_lock+0x36/0x1c0 [ 758.679091] ? ____cache_alloc_node+0x1c7/0x1e0 [ 758.683760] ? lock_downgrade+0x900/0x900 [ 758.687909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.693443] cache_grow_begin+0xa5/0x8c0 [ 758.697496] ? do_raw_spin_unlock+0xa7/0x330 [ 758.701908] fallback_alloc+0x204/0x2e0 [ 758.705881] ____cache_alloc_node+0x1c7/0x1e0 [ 758.710378] kmem_cache_alloc_node+0xe3/0x730 [ 758.714892] ? ipv6_get_ifaddr+0x42e/0x620 [ 758.719380] __alloc_skb+0x119/0x770 [ 758.723086] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 758.728373] ? netdev_alloc_frag+0x1f0/0x1f0 [ 758.732778] ? lock_downgrade+0x900/0x900 [ 758.736930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.742577] ? refcount_sub_and_test_checked+0x203/0x310 [ 758.748051] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 758.753499] ? addrconf_rs_timer+0x690/0x690 [ 758.757916] ndisc_alloc_skb+0x144/0x340 [ 758.761971] ndisc_send_rs+0x331/0x6e0 [ 758.765855] addrconf_rs_timer+0x314/0x690 [ 758.770107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 758.774344] call_timer_fn+0x272/0x920 [ 758.778227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 758.782453] ? process_timeout+0x40/0x40 [ 758.786518] ? mark_held_locks+0xc7/0x130 [ 758.790667] ? _raw_spin_unlock_irq+0x27/0x80 [ 758.795269] ? _raw_spin_unlock_irq+0x27/0x80 [ 758.799772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 758.804003] ? lockdep_hardirqs_on+0x296/0x5b0 [ 758.808578] ? trace_hardirqs_on+0xbd/0x310 [ 758.812894] ? kasan_check_read+0x11/0x20 [ 758.817047] ? __run_timers+0x7da/0xc70 [ 758.821213] ? trace_hardirqs_off_caller+0x310/0x310 [ 758.826314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 758.830547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 758.834773] __run_timers+0x7e5/0xc70 [ 758.838577] ? timer_fixup_init+0x70/0x70 [ 758.842719] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 758.847731] ? zap_class+0x640/0x640 [ 758.851444] ? print_usage_bug+0xc0/0xc0 [ 758.855512] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 758.860715] ? find_held_lock+0x36/0x1c0 [ 758.864787] ? zap_class+0x640/0x640 [ 758.868505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.874039] ? check_preemption_disabled+0x48/0x280 [ 758.879051] ? __lock_is_held+0xb5/0x140 [ 758.883106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.888638] ? check_preemption_disabled+0x48/0x280 [ 758.893667] run_timer_softirq+0x52/0xb0 [ 758.897727] ? rcu_read_lock_sched_held+0x14f/0x180 [ 758.902736] __do_softirq+0x308/0xb7e [ 758.906530] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 758.911017] ? lock_downgrade+0x900/0x900 [ 758.915163] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 758.920479] ? pvclock_read_flags+0x160/0x160 [ 758.924972] ? lapic_next_event+0x5a/0x90 [ 758.929119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.934661] ? kvm_clock_read+0x18/0x30 [ 758.938634] ? kvm_sched_clock_read+0x9/0x20 [ 758.943047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.948578] ? check_preemption_disabled+0x48/0x280 [ 758.953595] irq_exit+0x17f/0x1c0 [ 758.957049] smp_apic_timer_interrupt+0x1cb/0x760 [ 758.961888] ? smp_reschedule_interrupt+0x109/0x650 [ 758.967012] ? smp_call_function_single_interrupt+0x650/0x650 [ 758.972894] ? interrupt_entry+0xb5/0xc0 [ 758.976953] ? trace_hardirqs_off_caller+0xbb/0x310 [ 758.981964] ? trace_hardirqs_off_caller+0xbb/0x310 [ 758.987090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 758.991930] ? trace_hardirqs_on_caller+0x310/0x310 [ 758.996941] ? trace_hardirqs_on_caller+0x310/0x310 [ 759.001948] ? task_prio+0x50/0x50 [ 759.005573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 759.011108] ? check_preemption_disabled+0x48/0x280 [ 759.016135] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 759.021269] apic_timer_interrupt+0xf/0x20 [ 759.025503] [ 759.027732] RIP: 0010:console_unlock+0x102f/0x1190 [ 759.032671] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 759.051563] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 759.059264] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 759.066524] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 759.073795] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 759.081055] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 759.088318] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 759.095621] ? netconsole_netdev_event+0x280/0x280 [ 759.100568] ? console_unlock+0x1026/0x1190 [ 759.104894] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 759.109548] ? vprintk_emit+0x846/0x990 [ 759.113642] ? lock_release+0xa00/0xa00 [ 759.117634] ? trace_hardirqs_on+0x70/0x310 [ 759.122217] ? vprintk_default+0x28/0x30 [ 759.126273] ? trace_hardirqs_off_caller+0x310/0x310 [ 759.131376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 759.137025] vprintk_emit+0x391/0x990 [ 759.140833] ? wake_up_klogd+0x180/0x180 [ 759.144913] ? find_held_lock+0x11/0x1c0 [ 759.148988] ? mark_held_locks+0xc7/0x130 [ 759.153131] ? _raw_spin_unlock_irq+0x27/0x80 [ 759.157616] ? _raw_spin_unlock_irq+0x27/0x80 [ 759.162115] vprintk_default+0x28/0x30 [ 759.166012] vprintk_func+0x7e/0x181 [ 759.169731] printk+0xa7/0xcf [ 759.172835] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 759.177585] ? _raw_spin_unlock_irq+0x60/0x80 [ 759.182119] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 759.187399] dump_header+0x7cc/0xf72 [ 759.191120] ? pagefault_out_of_memory+0x197/0x197 [ 759.196060] ? __lock_acquire+0x62f/0x4c20 [ 759.200307] ? print_usage_bug+0xc0/0xc0 [ 759.204370] ? zap_class+0x640/0x640 [ 759.208074] ? zap_class+0x640/0x640 [ 759.211784] ? print_usage_bug+0xc0/0xc0 [ 759.215842] ? print_usage_bug+0xc0/0xc0 [ 759.220124] ? find_held_lock+0x36/0x1c0 [ 759.224194] ? mark_held_locks+0xc7/0x130 [ 759.228341] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 759.233439] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 759.238537] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 759.243126] ? trace_hardirqs_on+0xbd/0x310 [ 759.247440] ? kasan_check_read+0x11/0x20 [ 759.251594] ? ___ratelimit+0x3b4/0x672 [ 759.255564] ? trace_hardirqs_off_caller+0x310/0x310 [ 759.260748] ? trace_hardirqs_on+0x310/0x310 [ 759.265154] ? lock_downgrade+0x900/0x900 [ 759.269301] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 759.274514] ? ___ratelimit+0x3b9/0x672 [ 759.278589] ? idr_get_free+0xf70/0xf70 [ 759.282554] ? kasan_check_read+0x11/0x20 [ 759.286709] ? do_raw_spin_unlock+0xa7/0x330 [ 759.291118] oom_kill_process.cold.27+0x10/0x903 [ 759.295873] ? zap_class+0x640/0x640 [ 759.299681] ? _raw_spin_unlock+0x2c/0x50 [ 759.303827] ? oom_badness+0xe6/0xaa0 [ 759.307626] ? oom_evaluate_task+0x540/0x540 [ 759.312038] ? find_held_lock+0x36/0x1c0 [ 759.316097] ? out_of_memory+0x974/0x1430 [ 759.320479] ? lock_downgrade+0x900/0x900 [ 759.324632] ? check_preemption_disabled+0x48/0x280 [ 759.329663] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 759.334605] ? kasan_check_read+0x11/0x20 [ 759.338928] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 759.344193] ? rcu_softirq_qs+0x20/0x20 [ 759.348160] ? kasan_check_write+0x14/0x20 [ 759.352401] ? oom_evaluate_task+0x302/0x540 [ 759.356815] out_of_memory+0xa84/0x1430 [ 759.360791] ? oom_killer_disable+0x3a0/0x3a0 [ 759.365289] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 759.370214] ? __ww_mutex_check_waiters+0x160/0x160 [ 759.375248] __alloc_pages_slowpath+0x2354/0x2e10 [ 759.380194] ? warn_alloc+0x120/0x120 [ 759.384003] ? mark_held_locks+0x130/0x130 [ 759.388268] ? find_get_entry+0xaae/0x1120 [ 759.392522] ? filemap_map_pages+0x1a20/0x1a20 [ 759.397229] ? zap_class+0x640/0x640 [ 759.400947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 759.406479] ? check_preemption_disabled+0x48/0x280 [ 759.411487] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 759.417014] ? should_fail+0x22d/0xd01 [ 759.421201] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 759.426297] ? zap_class+0x640/0x640 [ 759.430046] ? __lock_is_held+0xb5/0x140 [ 759.434198] ? mark_held_locks+0x130/0x130 [ 759.438430] ? lock_release+0xa00/0xa00 [ 759.442398] ? perf_trace_sched_process_exec+0x860/0x860 [ 759.447844] ? xa_load+0x2ba/0x460 [ 759.451381] ? lock_downgrade+0x900/0x900 [ 759.455527] ? __might_sleep+0x95/0x190 [ 759.459501] __alloc_pages_nodemask+0xa80/0xde0 [ 759.464171] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 759.469182] ? __page_cache_alloc+0x191/0x5c0 [ 759.473672] ? xa_load+0x2e1/0x460 [ 759.477208] ? xa_clear_mark+0x40/0x40 [ 759.481112] ? zap_class+0x640/0x640 [ 759.484826] ? zap_class+0x640/0x640 [ 759.488530] ? zap_class+0x640/0x640 [ 759.492239] ? __do_page_cache_readahead+0x663/0x810 [ 759.497363] ? find_held_lock+0x36/0x1c0 [ 759.501435] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 759.506974] alloc_pages_current+0x173/0x350 [ 759.511381] __page_cache_alloc+0x38c/0x5c0 [ 759.515698] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 759.520938] ? kasan_check_read+0x11/0x20 [ 759.525083] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 759.530363] ? generic_perform_write+0x6a0/0x6a0 [ 759.535131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 759.540667] ? check_preemption_disabled+0x48/0x280 [ 759.545700] filemap_fault+0x1595/0x25f0 [ 759.549794] ? __lock_page_or_retry+0xa00/0xa00 [ 759.554455] ? mark_held_locks+0x130/0x130 [ 759.558702] ? filemap_map_pages+0xd6b/0x1a20 [ 759.563395] ? lock_downgrade+0x900/0x900 [ 759.567538] ? check_preemption_disabled+0x48/0x280 [ 759.572550] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 759.577471] ? kasan_check_read+0x11/0x20 [ 759.581644] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 759.586919] ? rcu_softirq_qs+0x20/0x20 [ 759.590999] ? filemap_map_pages+0xd92/0x1a20 [ 759.595600] ? find_get_entries_tag+0x1400/0x1400 [ 759.600462] ? futex_wake+0x760/0x760 [ 759.604272] ? lock_acquire+0x1ed/0x520 [ 759.608242] ? ext4_filemap_fault+0x7a/0xad [ 759.612561] ? lock_release+0xa00/0xa00 [ 759.616526] ? perf_trace_sched_process_exec+0x860/0x860 [ 759.622191] ? print_usage_bug+0xc0/0xc0 [ 759.626250] ? print_usage_bug+0xc0/0xc0 [ 759.630330] ? down_read+0x8d/0x120 [ 759.633949] ? ext4_filemap_fault+0x7a/0xad [ 759.638268] ? __down_interruptible+0x700/0x700 [ 759.642943] ext4_filemap_fault+0x82/0xad [ 759.647082] __do_fault+0x100/0x6b0 [ 759.650709] ? pmd_devmap_trans_unstable+0x220/0x220 [ 759.655807] ? mark_held_locks+0x130/0x130 [ 759.660036] ? mark_held_locks+0x130/0x130 [ 759.664264] ? __might_fault+0x12b/0x1e0 [ 759.668322] ? lock_downgrade+0x900/0x900 [ 759.672474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 759.678020] __handle_mm_fault+0x3ea0/0x5be0 [ 759.682428] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 759.687488] ? kasan_check_read+0x11/0x20 [ 759.691635] ? _copy_to_user+0xc8/0x110 [ 759.695621] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 759.701177] ? zap_class+0x640/0x640 [ 759.704885] ? zap_class+0x640/0x640 [ 759.708605] ? find_held_lock+0x36/0x1c0 [ 759.712680] ? handle_mm_fault+0x42a/0xc70 [ 759.716921] ? lock_downgrade+0x900/0x900 [ 759.721311] ? check_preemption_disabled+0x48/0x280 [ 759.726323] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 759.731247] ? kasan_check_read+0x11/0x20 [ 759.735387] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 759.740668] ? rcu_softirq_qs+0x20/0x20 [ 759.744649] ? trace_hardirqs_off_caller+0x310/0x310 [ 759.749749] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 759.755278] ? check_preemption_disabled+0x48/0x280 [ 759.760296] handle_mm_fault+0x54f/0xc70 [ 759.764356] ? __handle_mm_fault+0x5be0/0x5be0 [ 759.768933] ? find_vma+0x34/0x190 [ 759.772473] __do_page_fault+0x5e8/0xe60 [ 759.776613] ? trace_hardirqs_off+0xb8/0x310 [ 759.781036] do_page_fault+0xf2/0x7e0 [ 759.784832] ? vmalloc_sync_all+0x30/0x30 [ 759.789061] ? error_entry+0x70/0xd0 [ 759.792774] ? trace_hardirqs_off_caller+0xbb/0x310 [ 759.797781] ? trace_hardirqs_on_caller+0xc0/0x310 [ 759.802722] ? syscall_return_slowpath+0x5e0/0x5e0 [ 759.807669] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 759.812506] ? trace_hardirqs_on_caller+0x310/0x310 [ 759.817524] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 759.823189] ? prepare_exit_to_usermode+0x291/0x3b0 [ 759.828329] ? page_fault+0x8/0x30 [ 759.831871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 759.836713] ? page_fault+0x8/0x30 [ 759.840247] page_fault+0x1e/0x30 [ 759.843689] RIP: 0033:0x407e06 [ 759.846908] Code: Bad RIP value. [ 759.850264] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 759.855634] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 759.862910] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 759.870168] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 759.877425] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 759.884687] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 759.891977] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 759.892042] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 759.898902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 759.898919] Workqueue: events_power_efficient neigh_periodic_work [ 759.905469] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 759.914727] Call Trace: [ 759.921212] syz-fuzzer cpuset=/ mems_allowed=0 [ 759.931428] dump_stack+0x244/0x39d [ 759.942168] ? dump_stack_print_info.cold.1+0x20/0x20 [ 759.947364] warn_alloc.cold.116+0xb7/0x1bd [ 759.951682] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 759.956529] ? lock_downgrade+0x900/0x900 [ 759.960682] ? trace_hardirqs_off+0xb8/0x310 [ 759.965098] ? trace_hardirqs_off+0xb8/0x310 [ 759.969510] __alloc_pages_slowpath+0x26e8/0x2e10 [ 759.974373] ? warn_alloc+0x120/0x120 [ 759.978174] ? warn_alloc+0x120/0x120 [ 759.981977] ? warn_alloc+0x120/0x120 [ 759.985778] ? print_usage_bug+0xc0/0xc0 [ 759.989834] ? __lock_acquire+0x62f/0x4c20 [ 759.994070] ? print_usage_bug+0xc0/0xc0 [ 759.998145] ? __lock_acquire+0x62f/0x4c20 [ 760.002378] ? update_load_avg+0x387/0x2470 [ 760.006705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 760.012244] ? should_fail+0x22d/0xd01 [ 760.016136] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 760.021718] ? __lock_acquire+0x62f/0x4c20 [ 760.025951] ? __lock_acquire+0x62f/0x4c20 [ 760.030179] ? should_fail+0x22d/0xd01 [ 760.034075] ? mark_held_locks+0x130/0x130 [ 760.038313] ? mark_held_locks+0x130/0x130 [ 760.042541] ? mark_held_locks+0xc7/0x130 [ 760.046689] ? zap_class+0x640/0x640 [ 760.050422] ? zap_class+0x640/0x640 [ 760.054141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 760.059673] ? check_preemption_disabled+0x48/0x280 [ 760.064689] ? __lock_is_held+0xb5/0x140 [ 760.068767] __alloc_pages_nodemask+0xa80/0xde0 [ 760.073430] ? zap_class+0x640/0x640 [ 760.077155] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 760.082262] ? find_held_lock+0x36/0x1c0 [ 760.086327] ? ____cache_alloc_node+0x1c7/0x1e0 [ 760.091010] ? lock_downgrade+0x900/0x900 [ 760.095176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 760.100854] cache_grow_begin+0xa5/0x8c0 [ 760.104931] ? do_raw_spin_unlock+0xa7/0x330 [ 760.109338] fallback_alloc+0x204/0x2e0 [ 760.113310] ____cache_alloc_node+0x1c7/0x1e0 [ 760.117806] kmem_cache_alloc_node+0xe3/0x730 [ 760.123002] ? zap_class+0x640/0x640 [ 760.126724] __alloc_skb+0x119/0x770 [ 760.130439] ? netdev_alloc_frag+0x1f0/0x1f0 [ 760.134850] ? neigh_periodic_work+0x8ca/0xc60 [ 760.139458] ? lock_downgrade+0x900/0x900 [ 760.143637] ? kasan_check_read+0x11/0x20 [ 760.147780] ? do_raw_write_lock+0x14f/0x310 [ 760.152193] __neigh_notify+0x8c/0x160 [ 760.156096] neigh_cleanup_and_release+0x7b/0xe0 [ 760.160849] neigh_periodic_work+0x8d2/0xc60 [ 760.165372] ? neigh_table_clear+0x390/0x390 [ 760.169778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 760.175312] ? check_preemption_disabled+0x48/0x280 [ 760.180331] ? __lock_is_held+0xb5/0x140 [ 760.184398] process_one_work+0xc90/0x1c40 [ 760.188625] ? mark_held_locks+0x130/0x130 [ 760.192861] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 760.197635] ? __switch_to_asm+0x40/0x70 [ 760.201691] ? __switch_to_asm+0x40/0x70 [ 760.205759] ? __switch_to_asm+0x34/0x70 [ 760.209812] ? __switch_to_asm+0x40/0x70 [ 760.213969] ? __switch_to_asm+0x34/0x70 [ 760.218025] ? __switch_to_asm+0x40/0x70 [ 760.222560] ? __switch_to_asm+0x34/0x70 [ 760.226624] ? __switch_to_asm+0x40/0x70 [ 760.230713] ? __schedule+0x8d7/0x21d0 [ 760.234689] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 760.239301] ? zap_class+0x640/0x640 [ 760.243019] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 760.247780] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 760.252373] ? lock_acquire+0x1ed/0x520 [ 760.256352] ? worker_thread+0x3e0/0x1390 [ 760.260512] ? kasan_check_read+0x11/0x20 [ 760.264656] ? do_raw_spin_lock+0x14f/0x350 [ 760.268974] ? kasan_check_read+0x11/0x20 [ 760.273133] ? rwlock_bug.part.2+0x90/0x90 [ 760.277446] ? trace_hardirqs_on+0x310/0x310 [ 760.281861] worker_thread+0x17f/0x1390 [ 760.285831] ? __switch_to_asm+0x34/0x70 [ 760.289920] ? process_one_work+0x1c40/0x1c40 [ 760.294436] ? __sched_text_start+0x8/0x8 [ 760.298599] ? __kthread_parkme+0xce/0x1a0 [ 760.302830] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 760.307923] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 760.313013] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 760.317627] ? trace_hardirqs_on+0xbd/0x310 [ 760.322617] ? kasan_check_read+0x11/0x20 [ 760.326764] ? __kthread_parkme+0xce/0x1a0 [ 760.330994] ? trace_hardirqs_off_caller+0x310/0x310 [ 760.336096] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 760.341192] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 760.346716] ? __kthread_parkme+0xfb/0x1a0 [ 760.350946] ? process_one_work+0x1c40/0x1c40 [ 760.355430] kthread+0x35a/0x440 [ 760.358788] ? kthread_stop+0x900/0x900 [ 760.362752] ret_from_fork+0x3a/0x50 [ 760.366552] warn_alloc_show_mem: 1 callbacks suppressed [ 760.366561] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 760.366563] Mem-Info: [ 760.366591] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 760.366591] active_file:32 inactive_file:0 isolated_file:0 [ 760.366591] unevictable:0 dirty:0 writeback:0 unstable:0 [ 760.366591] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 760.366591] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 760.366591] free:13730 free_pcp:227 free_cma:0 [ 760.371925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 760.378936] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 760.381323] Call Trace: [ 760.414481] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 760.424068] [ 760.452107] lowmem_reserve[]: 0 2818 6321 6321 [ 760.454703] dump_stack+0x244/0x39d [ 760.480991] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 760.483134] ? dump_stack_print_info.cold.1+0x20/0x20 [ 760.487688] lowmem_reserve[]: 0 0 3503 3503 [ 760.491309] warn_alloc.cold.116+0xb7/0x1bd [ 760.518773] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 760.524176] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 760.528466] lowmem_reserve[]: 0 0 0 0 [ 760.532783] ? lock_downgrade+0x900/0x900 [ 760.561814] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 760.566660] ? trace_hardirqs_off+0xb8/0x310 [ 760.570440] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 760.574579] ? trace_hardirqs_off+0xb8/0x310 [ 760.588070] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 760.592470] __alloc_pages_slowpath+0x26e8/0x2e10 [ 760.607291] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 760.611703] ? warn_alloc+0x120/0x120 [ 760.626281] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 760.631109] ? print_usage_bug+0xc0/0xc0 [ 760.639930] 6658 total pagecache pages [ 760.643713] ? warn_alloc+0x120/0x120 [ 760.652375] 0 pages in swap cache [ 760.656522] ? warn_alloc+0x120/0x120 [ 760.660647] Swap cache stats: add 0, delete 0, find 0/0 [ 760.660656] Free swap = 0kB [ 760.664454] ? print_usage_bug+0xc0/0xc0 [ 760.667880] Total swap = 0kB [ 760.671682] ? kvm_clock_read+0x18/0x30 [ 760.677011] 1965979 pages RAM [ 760.680013] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 760.684045] 0 pages HighMem/MovableOnly [ 760.687051] ? print_usage_bug+0xc0/0xc0 [ 760.690988] 342853 pages reserved [ 760.690994] 0 pages cma reserved [ 760.694084] ? __lock_acquire+0x62f/0x4c20 [ 760.718109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 760.721661] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 760.723928] ? should_fail+0x22d/0xd01 [ 760.734391] syz-executor0 cpuset=syz0 mems_allowed=0 [ 760.738270] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 760.748740] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 760.753933] ? __lock_acquire+0x62f/0x4c20 [ 760.758169] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 760.763267] ? __lock_acquire+0x62f/0x4c20 [ 760.767497] ? should_fail+0x22d/0xd01 [ 760.771376] ? rcu_irq_exit+0x1a2/0x390 [ 760.775471] ? mark_held_locks+0x130/0x130 [ 760.779704] ? mark_held_locks+0x130/0x130 [ 760.783955] ? mark_held_locks+0xc7/0x130 [ 760.788095] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 760.793577] ? zap_class+0x640/0x640 [ 760.797407] ? print_usage_bug+0xc0/0xc0 [ 760.801470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 760.807116] ? check_preemption_disabled+0x48/0x280 [ 760.812141] ? __lock_is_held+0xb5/0x140 [ 760.816205] __alloc_pages_nodemask+0xa80/0xde0 [ 760.821100] ? zap_class+0x640/0x640 [ 760.824914] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 760.829943] ? find_held_lock+0x36/0x1c0 [ 760.834007] ? ____cache_alloc_node+0x1c7/0x1e0 [ 760.838674] ? lock_downgrade+0x900/0x900 [ 760.842823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 760.848359] cache_grow_begin+0xa5/0x8c0 [ 760.852418] ? do_raw_spin_unlock+0xa7/0x330 [ 760.856917] fallback_alloc+0x204/0x2e0 [ 760.860895] ____cache_alloc_node+0x1c7/0x1e0 [ 760.865392] kmem_cache_alloc_node+0xe3/0x730 [ 760.869882] ? ipv6_get_ifaddr+0x42e/0x620 [ 760.874129] __alloc_skb+0x119/0x770 [ 760.877842] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 760.883202] ? netdev_alloc_frag+0x1f0/0x1f0 [ 760.887616] ? lock_downgrade+0x900/0x900 [ 760.891763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 760.897295] ? refcount_sub_and_test_checked+0x203/0x310 [ 760.902742] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 760.908185] ? addrconf_rs_timer+0x690/0x690 [ 760.912644] ndisc_alloc_skb+0x144/0x340 [ 760.916710] ndisc_send_rs+0x331/0x6e0 [ 760.920855] addrconf_rs_timer+0x314/0x690 [ 760.925095] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 760.929332] call_timer_fn+0x272/0x920 [ 760.933302] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 760.937532] ? process_timeout+0x40/0x40 [ 760.941609] ? mark_held_locks+0xc7/0x130 [ 760.945843] ? _raw_spin_unlock_irq+0x27/0x80 [ 760.950332] ? _raw_spin_unlock_irq+0x27/0x80 [ 760.954838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 760.959066] ? lockdep_hardirqs_on+0x296/0x5b0 [ 760.963655] ? trace_hardirqs_on+0xbd/0x310 [ 760.967976] ? kasan_check_read+0x11/0x20 [ 760.972116] ? __run_timers+0x7da/0xc70 [ 760.976085] ? trace_hardirqs_off_caller+0x310/0x310 [ 760.981186] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 760.985420] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 760.989648] __run_timers+0x7e5/0xc70 [ 760.993456] ? timer_fixup_init+0x70/0x70 [ 760.997611] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 761.002634] ? zap_class+0x640/0x640 [ 761.006350] ? print_usage_bug+0xc0/0xc0 [ 761.010408] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 761.015610] ? find_held_lock+0x36/0x1c0 [ 761.020072] ? zap_class+0x640/0x640 [ 761.023787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.029323] ? check_preemption_disabled+0x48/0x280 [ 761.034353] ? __lock_is_held+0xb5/0x140 [ 761.038407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.043935] ? check_preemption_disabled+0x48/0x280 [ 761.048949] run_timer_softirq+0x52/0xb0 [ 761.053089] ? rcu_read_lock_sched_held+0x14f/0x180 [ 761.058117] __do_softirq+0x308/0xb7e [ 761.061913] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 761.066401] ? lock_downgrade+0x900/0x900 [ 761.070552] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 761.075678] ? pvclock_read_flags+0x160/0x160 [ 761.080195] ? lapic_next_event+0x5a/0x90 [ 761.084339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.089879] ? kvm_clock_read+0x18/0x30 [ 761.093850] ? kvm_sched_clock_read+0x9/0x20 [ 761.098257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.103787] ? check_preemption_disabled+0x48/0x280 [ 761.108818] irq_exit+0x17f/0x1c0 [ 761.112271] smp_apic_timer_interrupt+0x1cb/0x760 [ 761.117193] ? smp_reschedule_interrupt+0x109/0x650 [ 761.122486] ? smp_call_function_single_interrupt+0x650/0x650 [ 761.128382] ? interrupt_entry+0xb5/0xc0 [ 761.132440] ? trace_hardirqs_off_caller+0xbb/0x310 [ 761.137453] ? trace_hardirqs_off_caller+0xbb/0x310 [ 761.142471] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 761.147426] ? trace_hardirqs_on_caller+0x310/0x310 [ 761.152450] ? trace_hardirqs_on_caller+0x310/0x310 [ 761.158065] ? task_prio+0x50/0x50 [ 761.161618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.167153] ? check_preemption_disabled+0x48/0x280 [ 761.172169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 761.177016] apic_timer_interrupt+0xf/0x20 [ 761.181239] [ 761.183472] RIP: 0010:console_unlock+0x102f/0x1190 [ 761.188402] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 761.207484] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 761.215186] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 761.222730] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 761.229994] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 761.237251] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 761.244603] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 761.251974] ? netconsole_netdev_event+0x280/0x280 [ 761.256904] ? console_unlock+0x1026/0x1190 [ 761.261234] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 761.265896] ? vprintk_emit+0x846/0x990 [ 761.269864] ? lock_release+0xa00/0xa00 [ 761.273835] ? trace_hardirqs_on+0x70/0x310 [ 761.278240] ? vprintk_default+0x28/0x30 [ 761.282317] ? trace_hardirqs_off_caller+0x310/0x310 [ 761.287503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.293042] vprintk_emit+0x391/0x990 [ 761.296838] ? wake_up_klogd+0x180/0x180 [ 761.300893] ? find_held_lock+0x11/0x1c0 [ 761.304955] ? mark_held_locks+0xc7/0x130 [ 761.309108] ? _raw_spin_unlock_irq+0x27/0x80 [ 761.313600] ? _raw_spin_unlock_irq+0x27/0x80 [ 761.318093] vprintk_default+0x28/0x30 [ 761.322214] vprintk_func+0x7e/0x181 [ 761.325928] printk+0xa7/0xcf [ 761.329130] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 761.333911] ? _raw_spin_unlock_irq+0x60/0x80 [ 761.338412] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 761.343691] dump_header+0x7cc/0xf72 [ 761.347410] ? pagefault_out_of_memory+0x197/0x197 [ 761.352445] ? __lock_acquire+0x62f/0x4c20 [ 761.356677] ? print_usage_bug+0xc0/0xc0 [ 761.360741] ? zap_class+0x640/0x640 [ 761.364448] ? zap_class+0x640/0x640 [ 761.368155] ? print_usage_bug+0xc0/0xc0 [ 761.372299] ? print_usage_bug+0xc0/0xc0 [ 761.376363] ? find_held_lock+0x36/0x1c0 [ 761.380431] ? mark_held_locks+0xc7/0x130 [ 761.384582] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 761.389775] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 761.394875] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 761.399543] ? trace_hardirqs_on+0xbd/0x310 [ 761.403874] ? kasan_check_read+0x11/0x20 [ 761.408036] ? ___ratelimit+0x3b4/0x672 [ 761.412006] ? trace_hardirqs_off_caller+0x310/0x310 [ 761.417107] ? trace_hardirqs_on+0x310/0x310 [ 761.421784] ? lock_downgrade+0x900/0x900 [ 761.425931] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 761.431030] ? ___ratelimit+0x3b9/0x672 [ 761.435006] ? idr_get_free+0xf70/0xf70 [ 761.438991] ? kasan_check_read+0x11/0x20 [ 761.443135] ? do_raw_spin_unlock+0xa7/0x330 [ 761.447549] oom_kill_process.cold.27+0x10/0x903 [ 761.452311] ? zap_class+0x640/0x640 [ 761.456021] ? _raw_spin_unlock+0x2c/0x50 [ 761.460160] ? oom_badness+0xe6/0xaa0 [ 761.463966] ? oom_evaluate_task+0x540/0x540 [ 761.468373] ? find_held_lock+0x36/0x1c0 [ 761.472449] ? out_of_memory+0x974/0x1430 [ 761.476602] ? lock_downgrade+0x900/0x900 [ 761.480745] ? check_preemption_disabled+0x48/0x280 [ 761.485758] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 761.490944] ? kasan_check_read+0x11/0x20 [ 761.495089] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 761.500360] ? rcu_softirq_qs+0x20/0x20 [ 761.504331] ? kasan_check_write+0x14/0x20 [ 761.508599] ? oom_evaluate_task+0x302/0x540 [ 761.513002] out_of_memory+0xa84/0x1430 [ 761.516973] ? oom_killer_disable+0x3a0/0x3a0 [ 761.521708] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 761.526642] ? __ww_mutex_check_waiters+0x160/0x160 [ 761.531679] __alloc_pages_slowpath+0x2354/0x2e10 [ 761.536644] ? warn_alloc+0x120/0x120 [ 761.540452] ? mark_held_locks+0x130/0x130 [ 761.544687] ? find_get_entry+0xaae/0x1120 [ 761.549040] ? filemap_map_pages+0x1a20/0x1a20 [ 761.553632] ? zap_class+0x640/0x640 [ 761.557342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.562871] ? check_preemption_disabled+0x48/0x280 [ 761.567883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 761.573426] ? should_fail+0x22d/0xd01 [ 761.577314] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 761.582409] ? zap_class+0x640/0x640 [ 761.586156] ? __lock_is_held+0xb5/0x140 [ 761.590221] ? mark_held_locks+0x130/0x130 [ 761.594452] ? lock_release+0xa00/0xa00 [ 761.598418] ? perf_trace_sched_process_exec+0x860/0x860 [ 761.603865] ? xa_load+0x2ba/0x460 [ 761.607412] ? lock_downgrade+0x900/0x900 [ 761.611584] ? __might_sleep+0x95/0x190 [ 761.615588] __alloc_pages_nodemask+0xa80/0xde0 [ 761.620470] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 761.625480] ? __page_cache_alloc+0x191/0x5c0 [ 761.630079] ? xa_load+0x2e1/0x460 [ 761.633616] ? xa_clear_mark+0x40/0x40 [ 761.637497] ? zap_class+0x640/0x640 [ 761.641211] ? zap_class+0x640/0x640 [ 761.644914] ? zap_class+0x640/0x640 [ 761.648617] ? __do_page_cache_readahead+0x663/0x810 [ 761.653712] ? find_held_lock+0x36/0x1c0 [ 761.657796] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 761.663328] alloc_pages_current+0x173/0x350 [ 761.667729] __page_cache_alloc+0x38c/0x5c0 [ 761.672044] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 761.676967] ? kasan_check_read+0x11/0x20 [ 761.681107] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 761.686638] ? generic_perform_write+0x6a0/0x6a0 [ 761.691383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 761.696915] ? check_preemption_disabled+0x48/0x280 [ 761.701972] filemap_fault+0x1595/0x25f0 [ 761.706036] ? __lock_page_or_retry+0xa00/0xa00 [ 761.710724] ? mark_held_locks+0x130/0x130 [ 761.714964] ? filemap_map_pages+0xd6b/0x1a20 [ 761.719710] ? lock_downgrade+0x900/0x900 [ 761.723863] ? check_preemption_disabled+0x48/0x280 [ 761.728875] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 761.733896] ? kasan_check_read+0x11/0x20 [ 761.738037] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 761.743317] ? rcu_softirq_qs+0x20/0x20 [ 761.747297] ? filemap_map_pages+0xd92/0x1a20 [ 761.751801] ? find_get_entries_tag+0x1400/0x1400 [ 761.756645] ? futex_wake+0x760/0x760 [ 761.760565] ? lock_acquire+0x1ed/0x520 [ 761.764541] ? ext4_filemap_fault+0x7a/0xad [ 761.768878] ? lock_release+0xa00/0xa00 [ 761.772849] ? perf_trace_sched_process_exec+0x860/0x860 [ 761.778296] ? print_usage_bug+0xc0/0xc0 [ 761.782439] ? print_usage_bug+0xc0/0xc0 [ 761.786508] ? down_read+0x8d/0x120 [ 761.790129] ? ext4_filemap_fault+0x7a/0xad [ 761.794447] ? __down_interruptible+0x700/0x700 [ 761.799134] ext4_filemap_fault+0x82/0xad [ 761.803279] __do_fault+0x100/0x6b0 [ 761.806904] ? pmd_devmap_trans_unstable+0x220/0x220 [ 761.812008] ? mark_held_locks+0x130/0x130 [ 761.816238] ? mark_held_locks+0x130/0x130 [ 761.820715] ? __might_fault+0x12b/0x1e0 [ 761.824773] ? lock_downgrade+0x900/0x900 [ 761.829075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 761.834644] __handle_mm_fault+0x3ea0/0x5be0 [ 761.839054] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 761.843902] ? kasan_check_read+0x11/0x20 [ 761.848048] ? _copy_to_user+0xc8/0x110 [ 761.852043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 761.857672] ? zap_class+0x640/0x640 [ 761.861381] ? zap_class+0x640/0x640 [ 761.865114] ? find_held_lock+0x36/0x1c0 [ 761.869177] ? handle_mm_fault+0x42a/0xc70 [ 761.873420] ? lock_downgrade+0x900/0x900 [ 761.877575] ? check_preemption_disabled+0x48/0x280 [ 761.882594] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 761.887519] ? kasan_check_read+0x11/0x20 [ 761.891657] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 761.896935] ? rcu_softirq_qs+0x20/0x20 [ 761.900903] ? trace_hardirqs_off_caller+0x310/0x310 [ 761.906000] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 761.911540] ? check_preemption_disabled+0x48/0x280 [ 761.916583] handle_mm_fault+0x54f/0xc70 [ 761.920898] ? __handle_mm_fault+0x5be0/0x5be0 [ 761.925479] ? find_vma+0x34/0x190 [ 761.929017] __do_page_fault+0x5e8/0xe60 [ 761.933181] ? trace_hardirqs_off+0xb8/0x310 [ 761.937594] do_page_fault+0xf2/0x7e0 [ 761.941388] ? vmalloc_sync_all+0x30/0x30 [ 761.945530] ? error_entry+0x70/0xd0 [ 761.949248] ? trace_hardirqs_off_caller+0xbb/0x310 [ 761.954259] ? trace_hardirqs_on_caller+0xc0/0x310 [ 761.959180] ? syscall_return_slowpath+0x5e0/0x5e0 [ 761.964098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 761.968976] ? trace_hardirqs_on_caller+0x310/0x310 [ 761.973994] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 761.979449] ? prepare_exit_to_usermode+0x291/0x3b0 [ 761.984476] ? page_fault+0x8/0x30 [ 761.988034] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 761.992874] ? page_fault+0x8/0x30 [ 761.996409] page_fault+0x1e/0x30 [ 761.999861] RIP: 0033:0x407e06 [ 762.003061] Code: Bad RIP value. [ 762.006419] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 762.011802] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 762.019337] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 762.026595] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 762.033855] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 762.041115] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 762.048401] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 762.048464] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 762.055673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 762.055679] Call Trace: [ 762.055701] dump_stack+0x244/0x39d [ 762.055723] ? dump_stack_print_info.cold.1+0x20/0x20 [ 762.062263] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 762.071552] warn_alloc.cold.116+0xb7/0x1bd [ 762.074102] syz-fuzzer cpuset=/ mems_allowed=0 [ 762.077731] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 762.107149] ? lock_downgrade+0x900/0x900 [ 762.111297] ? trace_hardirqs_off+0xb8/0x310 [ 762.115703] ? trace_hardirqs_off+0xb8/0x310 [ 762.120619] __alloc_pages_slowpath+0x26e8/0x2e10 [ 762.125509] ? warn_alloc+0x120/0x120 [ 762.129319] ? zap_class+0x640/0x640 [ 762.133116] ? warn_alloc+0x120/0x120 [ 762.136919] ? warn_alloc+0x120/0x120 [ 762.140718] ? print_usage_bug+0xc0/0xc0 [ 762.144776] ? find_held_lock+0x36/0x1c0 [ 762.148835] ? print_usage_bug+0xc0/0xc0 [ 762.152982] ? cpuacct_charge+0x265/0x440 [ 762.157148] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 762.162767] ? should_fail+0x22d/0xd01 [ 762.166647] ? find_held_lock+0x36/0x1c0 [ 762.170710] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 762.175899] ? __lock_acquire+0x62f/0x4c20 [ 762.180137] ? should_fail+0x22d/0xd01 [ 762.184044] ? mark_held_locks+0x130/0x130 [ 762.188281] ? mark_held_locks+0x130/0x130 [ 762.192518] ? __lock_acquire+0x62f/0x4c20 [ 762.196766] ? zap_class+0x640/0x640 [ 762.200493] ? __lock_is_held+0xb5/0x140 [ 762.204563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 762.210196] ? check_preemption_disabled+0x48/0x280 [ 762.215235] ? __lock_is_held+0xb5/0x140 [ 762.220377] __alloc_pages_nodemask+0xa80/0xde0 [ 762.225040] ? zap_class+0x640/0x640 [ 762.228763] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 762.233788] ? find_held_lock+0x36/0x1c0 [ 762.237856] ? ____cache_alloc_node+0x1c7/0x1e0 [ 762.242528] ? lock_downgrade+0x900/0x900 [ 762.246789] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 762.252327] cache_grow_begin+0xa5/0x8c0 [ 762.256379] ? do_raw_spin_unlock+0xa7/0x330 [ 762.260788] fallback_alloc+0x204/0x2e0 [ 762.264763] ____cache_alloc_node+0x1c7/0x1e0 [ 762.269262] kmem_cache_alloc+0x1f8/0x730 [ 762.273432] skb_clone+0x1bb/0x500 [ 762.276969] ? finish_task_switch+0x1b4/0x910 [ 762.281553] ? skb_split+0x11e0/0x11e0 [ 762.285438] ? preempt_notifier_register+0x200/0x200 [ 762.290534] ? __switch_to_asm+0x34/0x70 [ 762.294598] ? __switch_to_asm+0x34/0x70 [ 762.298650] ? __switch_to_asm+0x40/0x70 [ 762.302708] ? __switch_to_asm+0x34/0x70 [ 762.306761] ? __switch_to_asm+0x40/0x70 [ 762.310818] ? __switch_to_asm+0x34/0x70 [ 762.314872] ? __switch_to_asm+0x40/0x70 [ 762.319374] ? __switch_to_asm+0x34/0x70 [ 762.323519] ? __switch_to_asm+0x34/0x70 [ 762.327580] ? __switch_to_asm+0x40/0x70 [ 762.331636] ? __switch_to_asm+0x34/0x70 [ 762.335699] bpf_clone_redirect+0xb9/0x490 [ 762.339938] ? __schedule+0x8d7/0x21d0 [ 762.343827] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 762.348944] ? __sched_text_start+0x8/0x8 [ 762.353204] ? retint_kernel+0x2d/0x2d [ 762.357102] ? find_held_lock+0x36/0x1c0 [ 762.361168] ? lock_acquire+0x1ed/0x520 [ 762.365141] ? bpf_test_run+0x3cb/0x780 [ 762.369200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 762.374748] ? check_preemption_disabled+0x48/0x280 [ 762.379766] ? kasan_check_read+0x11/0x20 [ 762.383913] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 762.389271] ? rcu_softirq_qs+0x20/0x20 [ 762.393241] ? preempt_schedule+0x4d/0x60 [ 762.397475] ? ___preempt_schedule+0x16/0x18 [ 762.401975] ? bpf_test_run+0x25d/0x780 [ 762.405968] ? netlink_diag_dump+0x2a0/0x2a0 [ 762.410385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 762.415921] ? bpf_test_init.isra.10+0x70/0x100 [ 762.421107] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 762.425867] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 762.430706] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 762.436238] ? fput+0x130/0x1a0 [ 762.439520] ? __bpf_prog_get+0x9b/0x290 [ 762.443579] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 762.448408] ? bpf_prog_test_run+0x130/0x1a0 [ 762.452815] ? __x64_sys_bpf+0x3db/0x520 [ 762.456877] ? bpf_prog_get+0x20/0x20 [ 762.460707] ? do_syscall_64+0x1b9/0x820 [ 762.464773] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 762.470258] ? syscall_return_slowpath+0x5e0/0x5e0 [ 762.475180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 762.480019] ? trace_hardirqs_on_caller+0x310/0x310 [ 762.485038] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 762.490060] ? prepare_exit_to_usermode+0x291/0x3b0 [ 762.495088] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 762.499926] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 762.505296] warn_alloc_show_mem: 1 callbacks suppressed [ 762.505307] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 762.505308] Mem-Info: [ 762.505341] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 762.505341] active_file:32 inactive_file:0 isolated_file:0 [ 762.505341] unevictable:0 dirty:0 writeback:0 unstable:0 [ 762.505341] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 762.505341] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 762.505341] free:13730 free_pcp:227 free_cma:0 [ 762.510682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 762.510690] Call Trace: [ 762.517720] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 762.520379] [ 762.553325] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 762.562675] dump_stack+0x244/0x39d [ 762.565225] lowmem_reserve[]: 0 2818 6321 6321 [ 762.593067] ? dump_stack_print_info.cold.1+0x20/0x20 [ 762.595188] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 762.621653] warn_alloc.cold.116+0xb7/0x1bd [ 762.625241] lowmem_reserve[]: 0 0 3503 3503 [ 762.629808] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 762.634965] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 762.663187] ? lock_downgrade+0x900/0x900 [ 762.667488] lowmem_reserve[]: 0 0 0 0 [ 762.671809] ? trace_hardirqs_off+0xb8/0x310 [ 762.676621] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 762.705772] ? trace_hardirqs_off+0xb8/0x310 [ 762.709888] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 762.713682] __alloc_pages_slowpath+0x26e8/0x2e10 [ 762.718057] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 762.732013] ? warn_alloc+0x120/0x120 [ 762.736401] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 762.751208] ? print_usage_bug+0xc0/0xc0 [ 762.756024] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 762.770307] ? warn_alloc+0x120/0x120 [ 762.774077] 6658 total pagecache pages [ 762.782895] ? warn_alloc+0x120/0x120 [ 762.786931] 0 pages in swap cache [ 762.796184] ? print_usage_bug+0xc0/0xc0 [ 762.799958] Swap cache stats: add 0, delete 0, find 0/0 [ 762.803826] ? kvm_clock_read+0x18/0x30 [ 762.807598] Free swap = 0kB [ 762.811050] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 762.811066] ? print_usage_bug+0xc0/0xc0 [ 762.815186] Total swap = 0kB [ 762.820745] ? __lock_acquire+0x62f/0x4c20 [ 762.824692] 1965979 pages RAM [ 762.827715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 762.832698] 0 pages HighMem/MovableOnly [ 762.832706] 342853 pages reserved [ 762.836751] ? should_fail+0x22d/0xd01 [ 762.839740] 0 pages cma reserved [ 762.843964] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 762.868643] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 762.872526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 762.882980] syz-executor0 cpuset=syz0 mems_allowed=0 [ 762.888071] ? __lock_acquire+0x62f/0x4c20 [ 762.897367] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 762.902462] ? __lock_acquire+0x62f/0x4c20 [ 762.906691] ? should_fail+0x22d/0xd01 [ 762.910570] ? rcu_irq_exit+0x1a2/0x390 [ 762.914550] ? mark_held_locks+0x130/0x130 [ 762.918795] ? mark_held_locks+0x130/0x130 [ 762.923511] ? mark_held_locks+0xc7/0x130 [ 762.927686] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 762.932696] ? zap_class+0x640/0x640 [ 762.936404] ? print_usage_bug+0xc0/0xc0 [ 762.940466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 762.946000] ? check_preemption_disabled+0x48/0x280 [ 762.951020] ? __lock_is_held+0xb5/0x140 [ 762.955192] __alloc_pages_nodemask+0xa80/0xde0 [ 762.959858] ? zap_class+0x640/0x640 [ 762.963573] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 762.968602] ? find_held_lock+0x36/0x1c0 [ 762.972670] ? ____cache_alloc_node+0x1c7/0x1e0 [ 762.977334] ? lock_downgrade+0x900/0x900 [ 762.981484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 762.987146] cache_grow_begin+0xa5/0x8c0 [ 762.991201] ? do_raw_spin_unlock+0xa7/0x330 [ 762.995613] fallback_alloc+0x204/0x2e0 [ 762.999591] ____cache_alloc_node+0x1c7/0x1e0 [ 763.004099] kmem_cache_alloc_node+0xe3/0x730 [ 763.008689] ? ipv6_get_ifaddr+0x42e/0x620 [ 763.012926] __alloc_skb+0x119/0x770 [ 763.016630] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 763.022175] ? netdev_alloc_frag+0x1f0/0x1f0 [ 763.026576] ? lock_downgrade+0x900/0x900 [ 763.030728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.036263] ? refcount_sub_and_test_checked+0x203/0x310 [ 763.041718] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 763.047348] ? addrconf_rs_timer+0x690/0x690 [ 763.051889] ndisc_alloc_skb+0x144/0x340 [ 763.055965] ndisc_send_rs+0x331/0x6e0 [ 763.059852] addrconf_rs_timer+0x314/0x690 [ 763.064090] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 763.068324] call_timer_fn+0x272/0x920 [ 763.072223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 763.076448] ? process_timeout+0x40/0x40 [ 763.080540] ? mark_held_locks+0xc7/0x130 [ 763.084682] ? _raw_spin_unlock_irq+0x27/0x80 [ 763.089168] ? _raw_spin_unlock_irq+0x27/0x80 [ 763.093650] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 763.097876] ? lockdep_hardirqs_on+0x296/0x5b0 [ 763.102461] ? trace_hardirqs_on+0xbd/0x310 [ 763.106768] ? kasan_check_read+0x11/0x20 [ 763.111005] ? __run_timers+0x7da/0xc70 [ 763.114966] ? trace_hardirqs_off_caller+0x310/0x310 [ 763.120312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 763.124550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 763.128778] __run_timers+0x7e5/0xc70 [ 763.132579] ? timer_fixup_init+0x70/0x70 [ 763.136717] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 763.141725] ? zap_class+0x640/0x640 [ 763.145433] ? print_usage_bug+0xc0/0xc0 [ 763.149521] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 763.154722] ? find_held_lock+0x36/0x1c0 [ 763.158776] ? zap_class+0x640/0x640 [ 763.162487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.168029] ? check_preemption_disabled+0x48/0x280 [ 763.173043] ? __lock_is_held+0xb5/0x140 [ 763.177094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.182620] ? check_preemption_disabled+0x48/0x280 [ 763.187672] run_timer_softirq+0x52/0xb0 [ 763.191730] ? rcu_read_lock_sched_held+0x14f/0x180 [ 763.196735] __do_softirq+0x308/0xb7e [ 763.200541] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 763.205112] ? lock_downgrade+0x900/0x900 [ 763.209260] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 763.214376] ? pvclock_read_flags+0x160/0x160 [ 763.218866] ? lapic_next_event+0x5a/0x90 [ 763.223281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.228813] ? kvm_clock_read+0x18/0x30 [ 763.232784] ? kvm_sched_clock_read+0x9/0x20 [ 763.237189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.242732] ? check_preemption_disabled+0x48/0x280 [ 763.247752] irq_exit+0x17f/0x1c0 [ 763.251199] smp_apic_timer_interrupt+0x1cb/0x760 [ 763.256037] ? smp_reschedule_interrupt+0x109/0x650 [ 763.261130] ? smp_call_function_single_interrupt+0x650/0x650 [ 763.267129] ? interrupt_entry+0xb5/0xc0 [ 763.271180] ? trace_hardirqs_off_caller+0xbb/0x310 [ 763.276301] ? trace_hardirqs_off_caller+0xbb/0x310 [ 763.281326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 763.286165] ? trace_hardirqs_on_caller+0x310/0x310 [ 763.291186] ? trace_hardirqs_on_caller+0x310/0x310 [ 763.296213] ? task_prio+0x50/0x50 [ 763.299742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.305267] ? check_preemption_disabled+0x48/0x280 [ 763.310290] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 763.315129] apic_timer_interrupt+0xf/0x20 [ 763.319351] [ 763.321851] RIP: 0010:console_unlock+0x102f/0x1190 [ 763.326776] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 763.345664] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 763.353464] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 763.360722] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 763.368080] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 763.375335] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 763.382622] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 763.389914] ? netconsole_netdev_event+0x280/0x280 [ 763.394848] ? console_unlock+0x1026/0x1190 [ 763.399177] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 763.403837] ? vprintk_emit+0x846/0x990 [ 763.407836] ? lock_release+0xa00/0xa00 [ 763.411802] ? trace_hardirqs_on+0x70/0x310 [ 763.416117] ? vprintk_default+0x28/0x30 [ 763.420472] ? trace_hardirqs_off_caller+0x310/0x310 [ 763.425578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.431111] vprintk_emit+0x391/0x990 [ 763.434925] ? wake_up_klogd+0x180/0x180 [ 763.438980] ? find_held_lock+0x11/0x1c0 [ 763.443038] ? mark_held_locks+0xc7/0x130 [ 763.447176] ? _raw_spin_unlock_irq+0x27/0x80 [ 763.451660] ? _raw_spin_unlock_irq+0x27/0x80 [ 763.456177] vprintk_default+0x28/0x30 [ 763.460157] vprintk_func+0x7e/0x181 [ 763.463867] printk+0xa7/0xcf [ 763.466967] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 763.471716] ? _raw_spin_unlock_irq+0x60/0x80 [ 763.476219] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 763.481505] dump_header+0x7cc/0xf72 [ 763.485226] ? pagefault_out_of_memory+0x197/0x197 [ 763.490155] ? __lock_acquire+0x62f/0x4c20 [ 763.494394] ? print_usage_bug+0xc0/0xc0 [ 763.498455] ? zap_class+0x640/0x640 [ 763.502166] ? zap_class+0x640/0x640 [ 763.505895] ? print_usage_bug+0xc0/0xc0 [ 763.509951] ? print_usage_bug+0xc0/0xc0 [ 763.514025] ? find_held_lock+0x36/0x1c0 [ 763.518088] ? mark_held_locks+0xc7/0x130 [ 763.522530] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 763.527622] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 763.532719] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 763.537323] ? trace_hardirqs_on+0xbd/0x310 [ 763.541636] ? kasan_check_read+0x11/0x20 [ 763.545792] ? ___ratelimit+0x3b4/0x672 [ 763.549758] ? trace_hardirqs_off_caller+0x310/0x310 [ 763.554855] ? trace_hardirqs_on+0x310/0x310 [ 763.559255] ? lock_downgrade+0x900/0x900 [ 763.563401] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 763.568608] ? ___ratelimit+0x3b9/0x672 [ 763.572576] ? idr_get_free+0xf70/0xf70 [ 763.576554] ? kasan_check_read+0x11/0x20 [ 763.580687] ? do_raw_spin_unlock+0xa7/0x330 [ 763.585089] oom_kill_process.cold.27+0x10/0x903 [ 763.589830] ? zap_class+0x640/0x640 [ 763.593536] ? _raw_spin_unlock+0x2c/0x50 [ 763.597676] ? oom_badness+0xe6/0xaa0 [ 763.601475] ? oom_evaluate_task+0x540/0x540 [ 763.605888] ? find_held_lock+0x36/0x1c0 [ 763.609955] ? out_of_memory+0x974/0x1430 [ 763.614111] ? lock_downgrade+0x900/0x900 [ 763.618256] ? check_preemption_disabled+0x48/0x280 [ 763.623540] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 763.628462] ? kasan_check_read+0x11/0x20 [ 763.632603] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 763.637898] ? rcu_softirq_qs+0x20/0x20 [ 763.641880] ? kasan_check_write+0x14/0x20 [ 763.646120] ? oom_evaluate_task+0x302/0x540 [ 763.650527] out_of_memory+0xa84/0x1430 [ 763.654515] ? oom_killer_disable+0x3a0/0x3a0 [ 763.659008] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 763.663965] ? __ww_mutex_check_waiters+0x160/0x160 [ 763.668982] __alloc_pages_slowpath+0x2354/0x2e10 [ 763.673856] ? warn_alloc+0x120/0x120 [ 763.677650] ? mark_held_locks+0x130/0x130 [ 763.681885] ? find_get_entry+0xaae/0x1120 [ 763.686122] ? filemap_map_pages+0x1a20/0x1a20 [ 763.690701] ? zap_class+0x640/0x640 [ 763.694415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.699945] ? check_preemption_disabled+0x48/0x280 [ 763.704948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 763.710494] ? should_fail+0x22d/0xd01 [ 763.714381] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 763.719476] ? zap_class+0x640/0x640 [ 763.723531] ? __lock_is_held+0xb5/0x140 [ 763.727600] ? mark_held_locks+0x130/0x130 [ 763.731832] ? lock_release+0xa00/0xa00 [ 763.735801] ? perf_trace_sched_process_exec+0x860/0x860 [ 763.741254] ? xa_load+0x2ba/0x460 [ 763.744788] ? lock_downgrade+0x900/0x900 [ 763.748930] ? __might_sleep+0x95/0x190 [ 763.752896] __alloc_pages_nodemask+0xa80/0xde0 [ 763.757564] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 763.762572] ? __page_cache_alloc+0x191/0x5c0 [ 763.767054] ? xa_load+0x2e1/0x460 [ 763.770703] ? xa_clear_mark+0x40/0x40 [ 763.774598] ? zap_class+0x640/0x640 [ 763.778308] ? zap_class+0x640/0x640 [ 763.782035] ? zap_class+0x640/0x640 [ 763.785764] ? __do_page_cache_readahead+0x663/0x810 [ 763.790876] ? find_held_lock+0x36/0x1c0 [ 763.794950] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 763.800496] alloc_pages_current+0x173/0x350 [ 763.804911] __page_cache_alloc+0x38c/0x5c0 [ 763.809227] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 763.814150] ? kasan_check_read+0x11/0x20 [ 763.818288] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 763.823820] ? generic_perform_write+0x6a0/0x6a0 [ 763.828742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 763.834286] ? check_preemption_disabled+0x48/0x280 [ 763.839304] filemap_fault+0x1595/0x25f0 [ 763.843368] ? __lock_page_or_retry+0xa00/0xa00 [ 763.848035] ? mark_held_locks+0x130/0x130 [ 763.852296] ? filemap_map_pages+0xd6b/0x1a20 [ 763.856783] ? lock_downgrade+0x900/0x900 [ 763.860919] ? check_preemption_disabled+0x48/0x280 [ 763.865950] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 763.870874] ? kasan_check_read+0x11/0x20 [ 763.875017] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 763.880289] ? rcu_softirq_qs+0x20/0x20 [ 763.884267] ? filemap_map_pages+0xd92/0x1a20 [ 763.888783] ? find_get_entries_tag+0x1400/0x1400 [ 763.893625] ? futex_wake+0x760/0x760 [ 763.897528] ? lock_acquire+0x1ed/0x520 [ 763.901516] ? ext4_filemap_fault+0x7a/0xad [ 763.905835] ? lock_release+0xa00/0xa00 [ 763.909818] ? perf_trace_sched_process_exec+0x860/0x860 [ 763.915266] ? print_usage_bug+0xc0/0xc0 [ 763.919318] ? print_usage_bug+0xc0/0xc0 [ 763.923647] ? down_read+0x8d/0x120 [ 763.927267] ? ext4_filemap_fault+0x7a/0xad [ 763.931587] ? __down_interruptible+0x700/0x700 [ 763.936262] ext4_filemap_fault+0x82/0xad [ 763.940403] __do_fault+0x100/0x6b0 [ 763.944028] ? pmd_devmap_trans_unstable+0x220/0x220 [ 763.949142] ? mark_held_locks+0x130/0x130 [ 763.953378] ? mark_held_locks+0x130/0x130 [ 763.957616] ? __might_fault+0x12b/0x1e0 [ 763.961674] ? lock_downgrade+0x900/0x900 [ 763.965820] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 763.971355] __handle_mm_fault+0x3ea0/0x5be0 [ 763.975773] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 763.980620] ? kasan_check_read+0x11/0x20 [ 763.984763] ? _copy_to_user+0xc8/0x110 [ 763.988740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 763.994371] ? zap_class+0x640/0x640 [ 763.998081] ? zap_class+0x640/0x640 [ 764.001800] ? find_held_lock+0x36/0x1c0 [ 764.005863] ? handle_mm_fault+0x42a/0xc70 [ 764.010088] ? lock_downgrade+0x900/0x900 [ 764.014230] ? check_preemption_disabled+0x48/0x280 [ 764.019240] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 764.024387] ? kasan_check_read+0x11/0x20 [ 764.028636] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 764.033907] ? rcu_softirq_qs+0x20/0x20 [ 764.037873] ? trace_hardirqs_off_caller+0x310/0x310 [ 764.042968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 764.048509] ? check_preemption_disabled+0x48/0x280 [ 764.053533] handle_mm_fault+0x54f/0xc70 [ 764.057598] ? __handle_mm_fault+0x5be0/0x5be0 [ 764.062179] ? find_vma+0x34/0x190 [ 764.065725] __do_page_fault+0x5e8/0xe60 [ 764.069778] ? trace_hardirqs_off+0xb8/0x310 [ 764.074194] do_page_fault+0xf2/0x7e0 [ 764.077992] ? vmalloc_sync_all+0x30/0x30 [ 764.082138] ? error_entry+0x70/0xd0 [ 764.085878] ? trace_hardirqs_off_caller+0xbb/0x310 [ 764.090883] ? trace_hardirqs_on_caller+0xc0/0x310 [ 764.095808] ? syscall_return_slowpath+0x5e0/0x5e0 [ 764.100728] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 764.105564] ? trace_hardirqs_on_caller+0x310/0x310 [ 764.110576] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 764.116020] ? prepare_exit_to_usermode+0x291/0x3b0 [ 764.121243] ? page_fault+0x8/0x30 [ 764.124795] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 764.129630] ? page_fault+0x8/0x30 [ 764.133167] page_fault+0x1e/0x30 [ 764.136611] RIP: 0033:0x407e06 [ 764.139811] Code: Bad RIP value. [ 764.143165] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 764.148519] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 764.155780] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 764.163058] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 764.170317] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 764.177591] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 764.184876] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 764.184944] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 764.192148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 764.192153] Call Trace: [ 764.192173] dump_stack+0x244/0x39d [ 764.192194] ? dump_stack_print_info.cold.1+0x20/0x20 [ 764.198722] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 764.208012] warn_alloc.cold.116+0xb7/0x1bd [ 764.210556] syz-fuzzer cpuset=/ mems_allowed=0 [ 764.214170] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 764.243760] ? lock_downgrade+0x900/0x900 [ 764.247917] ? trace_hardirqs_off+0xb8/0x310 [ 764.252328] ? trace_hardirqs_off+0xb8/0x310 [ 764.256740] __alloc_pages_slowpath+0x26e8/0x2e10 [ 764.261608] ? warn_alloc+0x120/0x120 [ 764.265403] ? zap_class+0x640/0x640 [ 764.269110] ? warn_alloc+0x120/0x120 [ 764.272908] ? warn_alloc+0x120/0x120 [ 764.276702] ? print_usage_bug+0xc0/0xc0 [ 764.280754] ? find_held_lock+0x36/0x1c0 [ 764.284812] ? print_usage_bug+0xc0/0xc0 [ 764.288880] ? cpuacct_charge+0x265/0x440 [ 764.293023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 764.298559] ? should_fail+0x22d/0xd01 [ 764.302451] ? find_held_lock+0x36/0x1c0 [ 764.306541] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 764.311729] ? __lock_acquire+0x62f/0x4c20 [ 764.315960] ? should_fail+0x22d/0xd01 [ 764.319856] ? mark_held_locks+0x130/0x130 [ 764.324602] ? mark_held_locks+0x130/0x130 [ 764.328830] ? __lock_acquire+0x62f/0x4c20 [ 764.333068] ? zap_class+0x640/0x640 [ 764.336856] ? __lock_is_held+0xb5/0x140 [ 764.340907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 764.346435] ? check_preemption_disabled+0x48/0x280 [ 764.351451] ? __lock_is_held+0xb5/0x140 [ 764.355516] __alloc_pages_nodemask+0xa80/0xde0 [ 764.360175] ? zap_class+0x640/0x640 [ 764.363885] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 764.368900] ? find_held_lock+0x36/0x1c0 [ 764.373047] ? ____cache_alloc_node+0x1c7/0x1e0 [ 764.377711] ? lock_downgrade+0x900/0x900 [ 764.381859] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 764.387404] cache_grow_begin+0xa5/0x8c0 [ 764.391454] ? do_raw_spin_unlock+0xa7/0x330 [ 764.395870] fallback_alloc+0x204/0x2e0 [ 764.399856] ____cache_alloc_node+0x1c7/0x1e0 [ 764.404364] kmem_cache_alloc+0x1f8/0x730 [ 764.408521] skb_clone+0x1bb/0x500 [ 764.412057] ? finish_task_switch+0x1b4/0x910 [ 764.416547] ? skb_split+0x11e0/0x11e0 [ 764.420432] ? preempt_notifier_register+0x200/0x200 [ 764.425803] ? __switch_to_asm+0x34/0x70 [ 764.429856] ? __switch_to_asm+0x34/0x70 [ 764.433904] ? __switch_to_asm+0x40/0x70 [ 764.437954] ? __switch_to_asm+0x34/0x70 [ 764.442011] ? __switch_to_asm+0x40/0x70 [ 764.446077] ? __switch_to_asm+0x34/0x70 [ 764.450127] ? __switch_to_asm+0x40/0x70 [ 764.454217] ? __switch_to_asm+0x34/0x70 [ 764.458285] ? __switch_to_asm+0x34/0x70 [ 764.462426] ? __switch_to_asm+0x40/0x70 [ 764.466483] ? __switch_to_asm+0x34/0x70 [ 764.470543] bpf_clone_redirect+0xb9/0x490 [ 764.474767] ? __schedule+0x8d7/0x21d0 [ 764.478648] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 764.483664] ? __sched_text_start+0x8/0x8 [ 764.487805] ? retint_kernel+0x2d/0x2d [ 764.491702] ? find_held_lock+0x36/0x1c0 [ 764.495768] ? lock_acquire+0x1ed/0x520 [ 764.499735] ? bpf_test_run+0x3cb/0x780 [ 764.503702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 764.509233] ? check_preemption_disabled+0x48/0x280 [ 764.514252] ? kasan_check_read+0x11/0x20 [ 764.518414] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 764.524635] ? rcu_softirq_qs+0x20/0x20 [ 764.528601] ? preempt_schedule+0x4d/0x60 [ 764.532741] ? ___preempt_schedule+0x16/0x18 [ 764.537154] ? bpf_test_run+0x25d/0x780 [ 764.541139] ? netlink_diag_dump+0x2a0/0x2a0 [ 764.545545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 764.551074] ? bpf_test_init.isra.10+0x70/0x100 [ 764.555751] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 764.560527] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 764.565361] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 764.570895] ? fput+0x130/0x1a0 [ 764.574185] ? __bpf_prog_get+0x9b/0x290 [ 764.578265] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 764.583184] ? bpf_prog_test_run+0x130/0x1a0 [ 764.587610] ? __x64_sys_bpf+0x3db/0x520 [ 764.591667] ? bpf_prog_get+0x20/0x20 [ 764.595491] ? do_syscall_64+0x1b9/0x820 [ 764.599548] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 764.604908] ? syscall_return_slowpath+0x5e0/0x5e0 [ 764.609849] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 764.614702] ? trace_hardirqs_on_caller+0x310/0x310 [ 764.619717] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 764.625113] ? prepare_exit_to_usermode+0x291/0x3b0 [ 764.630157] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 764.635008] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 764.640383] warn_alloc_show_mem: 1 callbacks suppressed [ 764.640393] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 764.640395] Mem-Info: [ 764.640428] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 764.640428] active_file:32 inactive_file:0 isolated_file:0 [ 764.640428] unevictable:0 dirty:0 writeback:0 unstable:0 [ 764.640428] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 764.640428] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 764.640428] free:13730 free_pcp:227 free_cma:0 [ 764.645759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 764.645786] Call Trace: [ 764.652801] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 764.655189] [ 764.688394] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 764.697745] dump_stack+0x244/0x39d [ 764.700296] lowmem_reserve[]: 0 2818 6321 6321 [ 764.728327] ? dump_stack_print_info.cold.1+0x20/0x20 [ 764.730443] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 764.756554] warn_alloc.cold.116+0xb7/0x1bd [ 764.760142] lowmem_reserve[]: 0 0 3503 3503 [ 764.764712] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 764.769875] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 764.797941] ? lock_downgrade+0x900/0x900 [ 764.802229] lowmem_reserve[]: 0 0 0 0 [ 764.806542] ? trace_hardirqs_off+0xb8/0x310 [ 764.811348] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 764.840768] ? trace_hardirqs_off+0xb8/0x310 [ 764.844882] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 764.848678] __alloc_pages_slowpath+0x26e8/0x2e10 [ 764.853054] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 764.866591] ? warn_alloc+0x120/0x120 [ 764.871042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 764.885772] ? print_usage_bug+0xc0/0xc0 [ 764.890765] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 764.904887] ? warn_alloc+0x120/0x120 [ 764.908658] 6658 total pagecache pages [ 764.917487] ? warn_alloc+0x120/0x120 [ 764.921985] 0 pages in swap cache [ 764.930628] ? print_usage_bug+0xc0/0xc0 [ 764.934399] Swap cache stats: add 0, delete 0, find 0/0 [ 764.938274] ? print_usage_bug+0xc0/0xc0 [ 764.942044] Free swap = 0kB [ 764.945492] ? __lock_acquire+0x62f/0x4c20 [ 764.949520] Total swap = 0kB [ 764.954875] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 764.958908] 1965979 pages RAM [ 764.961915] ? should_fail+0x22d/0xd01 [ 764.966114] 0 pages HighMem/MovableOnly [ 764.969141] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 764.974649] 342853 pages reserved [ 764.977753] ? __lock_acquire+0x62f/0x4c20 [ 764.981619] 0 pages cma reserved [ 764.985581] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 765.006772] ? __lock_acquire+0x62f/0x4c20 [ 765.011007] ? should_fail+0x22d/0xd01 [ 765.012606] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 765.014912] ? mark_held_locks+0x130/0x130 [ 765.025611] syz-executor0 cpuset=syz0 mems_allowed=0 [ 765.029848] ? mark_held_locks+0x130/0x130 [ 765.039247] ? zap_class+0x640/0x640 [ 765.042959] ? zap_class+0x640/0x640 [ 765.046665] ? print_usage_bug+0xc0/0xc0 [ 765.050714] ? wq_watchdog_touch+0x9c/0xfe [ 765.054944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.060481] ? check_preemption_disabled+0x48/0x280 [ 765.065502] ? __lock_is_held+0xb5/0x140 [ 765.069566] __alloc_pages_nodemask+0xa80/0xde0 [ 765.074260] ? zap_class+0x640/0x640 [ 765.077971] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 765.082987] ? find_held_lock+0x36/0x1c0 [ 765.087049] ? ____cache_alloc_node+0x1c7/0x1e0 [ 765.091716] ? lock_downgrade+0x900/0x900 [ 765.095868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.101511] cache_grow_begin+0xa5/0x8c0 [ 765.105573] ? do_raw_spin_unlock+0xa7/0x330 [ 765.109979] fallback_alloc+0x204/0x2e0 [ 765.113952] ____cache_alloc_node+0x1c7/0x1e0 [ 765.118453] kmem_cache_alloc_node+0xe3/0x730 [ 765.123219] ? ipv6_get_ifaddr+0x42e/0x620 [ 765.127475] __alloc_skb+0x119/0x770 [ 765.131185] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 765.136493] ? netdev_alloc_frag+0x1f0/0x1f0 [ 765.140893] ? lock_downgrade+0x900/0x900 [ 765.145046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.150575] ? refcount_sub_and_test_checked+0x203/0x310 [ 765.156024] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 765.161478] ? addrconf_rs_timer+0x690/0x690 [ 765.165887] ndisc_alloc_skb+0x144/0x340 [ 765.169946] ndisc_send_rs+0x331/0x6e0 [ 765.173829] addrconf_rs_timer+0x314/0x690 [ 765.178150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 765.182382] call_timer_fn+0x272/0x920 [ 765.186258] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 765.190565] ? process_timeout+0x40/0x40 [ 765.194620] ? mark_held_locks+0xc7/0x130 [ 765.198761] ? _raw_spin_unlock_irq+0x27/0x80 [ 765.203243] ? _raw_spin_unlock_irq+0x27/0x80 [ 765.207725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 765.211953] ? lockdep_hardirqs_on+0x296/0x5b0 [ 765.216535] ? trace_hardirqs_on+0xbd/0x310 [ 765.221002] ? kasan_check_read+0x11/0x20 [ 765.225168] ? __run_timers+0x7da/0xc70 [ 765.229221] ? trace_hardirqs_off_caller+0x310/0x310 [ 765.234345] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 765.238569] __run_timers+0x7e5/0xc70 [ 765.242392] ? timer_fixup_init+0x70/0x70 [ 765.246541] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 765.251553] ? zap_class+0x640/0x640 [ 765.255267] ? print_usage_bug+0xc0/0xc0 [ 765.259323] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 765.264516] ? find_held_lock+0x36/0x1c0 [ 765.268574] ? zap_class+0x640/0x640 [ 765.272291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.277826] ? check_preemption_disabled+0x48/0x280 [ 765.282846] ? __lock_is_held+0xb5/0x140 [ 765.286905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.292445] ? check_preemption_disabled+0x48/0x280 [ 765.297478] run_timer_softirq+0x52/0xb0 [ 765.301537] ? rcu_read_lock_sched_held+0x14f/0x180 [ 765.306553] __do_softirq+0x308/0xb7e [ 765.310355] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 765.314841] ? lock_downgrade+0x900/0x900 [ 765.318989] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 765.324323] ? pvclock_read_flags+0x160/0x160 [ 765.328816] ? lapic_next_event+0x5a/0x90 [ 765.332961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.338588] ? kvm_clock_read+0x18/0x30 [ 765.342556] ? kvm_sched_clock_read+0x9/0x20 [ 765.346958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.352486] ? check_preemption_disabled+0x48/0x280 [ 765.357619] irq_exit+0x17f/0x1c0 [ 765.361063] smp_apic_timer_interrupt+0x1cb/0x760 [ 765.365896] ? smp_reschedule_interrupt+0x109/0x650 [ 765.370904] ? smp_call_function_single_interrupt+0x650/0x650 [ 765.376782] ? interrupt_entry+0xb5/0xc0 [ 765.380842] ? trace_hardirqs_off_caller+0xbb/0x310 [ 765.385981] ? trace_hardirqs_off_caller+0xbb/0x310 [ 765.390993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 765.395827] ? trace_hardirqs_on_caller+0x310/0x310 [ 765.400833] ? trace_hardirqs_on_caller+0x310/0x310 [ 765.405849] ? task_prio+0x50/0x50 [ 765.409398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.414929] ? check_preemption_disabled+0x48/0x280 [ 765.419939] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 765.425125] apic_timer_interrupt+0xf/0x20 [ 765.429344] [ 765.431579] RIP: 0010:console_unlock+0x102f/0x1190 [ 765.436504] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 765.455395] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 765.463097] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 765.470354] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 765.477616] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 765.484873] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 765.492128] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 765.499397] ? netconsole_netdev_event+0x280/0x280 [ 765.504330] ? console_unlock+0x1026/0x1190 [ 765.508662] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 765.513319] ? vprintk_emit+0x846/0x990 [ 765.517288] ? lock_release+0xa00/0xa00 [ 765.521449] ? trace_hardirqs_on+0x70/0x310 [ 765.525760] ? vprintk_default+0x28/0x30 [ 765.529815] ? trace_hardirqs_off_caller+0x310/0x310 [ 765.534915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.540461] vprintk_emit+0x391/0x990 [ 765.544258] ? wake_up_klogd+0x180/0x180 [ 765.548317] ? find_held_lock+0x11/0x1c0 [ 765.552382] ? mark_held_locks+0xc7/0x130 [ 765.556527] ? _raw_spin_unlock_irq+0x27/0x80 [ 765.561013] ? _raw_spin_unlock_irq+0x27/0x80 [ 765.565507] vprintk_default+0x28/0x30 [ 765.569394] vprintk_func+0x7e/0x181 [ 765.573111] printk+0xa7/0xcf [ 765.576211] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 765.580973] ? _raw_spin_unlock_irq+0x60/0x80 [ 765.585477] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 765.590754] dump_header+0x7cc/0xf72 [ 765.594500] ? pagefault_out_of_memory+0x197/0x197 [ 765.599436] ? __lock_acquire+0x62f/0x4c20 [ 765.603676] ? print_usage_bug+0xc0/0xc0 [ 765.607737] ? zap_class+0x640/0x640 [ 765.611455] ? zap_class+0x640/0x640 [ 765.615161] ? print_usage_bug+0xc0/0xc0 [ 765.619216] ? print_usage_bug+0xc0/0xc0 [ 765.623464] ? find_held_lock+0x36/0x1c0 [ 765.627532] ? mark_held_locks+0xc7/0x130 [ 765.631674] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 765.636767] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 765.641868] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 765.646458] ? trace_hardirqs_on+0xbd/0x310 [ 765.650773] ? kasan_check_read+0x11/0x20 [ 765.654913] ? ___ratelimit+0x3b4/0x672 [ 765.658882] ? trace_hardirqs_off_caller+0x310/0x310 [ 765.663979] ? trace_hardirqs_on+0x310/0x310 [ 765.668377] ? lock_downgrade+0x900/0x900 [ 765.672525] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 765.677620] ? ___ratelimit+0x3b9/0x672 [ 765.681588] ? idr_get_free+0xf70/0xf70 [ 765.685555] ? kasan_check_read+0x11/0x20 [ 765.689695] ? do_raw_spin_unlock+0xa7/0x330 [ 765.694108] oom_kill_process.cold.27+0x10/0x903 [ 765.698858] ? zap_class+0x640/0x640 [ 765.702564] ? _raw_spin_unlock+0x2c/0x50 [ 765.706706] ? oom_badness+0xe6/0xaa0 [ 765.710511] ? oom_evaluate_task+0x540/0x540 [ 765.714918] ? find_held_lock+0x36/0x1c0 [ 765.718986] ? out_of_memory+0x974/0x1430 [ 765.723360] ? lock_downgrade+0x900/0x900 [ 765.727504] ? check_preemption_disabled+0x48/0x280 [ 765.732532] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 765.737455] ? kasan_check_read+0x11/0x20 [ 765.741593] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 765.746855] ? rcu_softirq_qs+0x20/0x20 [ 765.750824] ? kasan_check_write+0x14/0x20 [ 765.755052] ? oom_evaluate_task+0x302/0x540 [ 765.759463] out_of_memory+0xa84/0x1430 [ 765.763466] ? oom_killer_disable+0x3a0/0x3a0 [ 765.767959] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 765.772900] ? __ww_mutex_check_waiters+0x160/0x160 [ 765.777927] __alloc_pages_slowpath+0x2354/0x2e10 [ 765.782800] ? warn_alloc+0x120/0x120 [ 765.786696] ? mark_held_locks+0x130/0x130 [ 765.790934] ? find_get_entry+0xaae/0x1120 [ 765.795201] ? filemap_map_pages+0x1a20/0x1a20 [ 765.799803] ? zap_class+0x640/0x640 [ 765.803514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.809039] ? check_preemption_disabled+0x48/0x280 [ 765.814059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 765.819716] ? should_fail+0x22d/0xd01 [ 765.823885] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 765.829174] ? zap_class+0x640/0x640 [ 765.832903] ? __lock_is_held+0xb5/0x140 [ 765.836969] ? mark_held_locks+0x130/0x130 [ 765.841198] ? lock_release+0xa00/0xa00 [ 765.845255] ? perf_trace_sched_process_exec+0x860/0x860 [ 765.850701] ? xa_load+0x2ba/0x460 [ 765.854327] ? lock_downgrade+0x900/0x900 [ 765.858479] ? __might_sleep+0x95/0x190 [ 765.862456] __alloc_pages_nodemask+0xa80/0xde0 [ 765.867141] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 765.872159] ? __page_cache_alloc+0x191/0x5c0 [ 765.876643] ? xa_load+0x2e1/0x460 [ 765.880177] ? xa_clear_mark+0x40/0x40 [ 765.884061] ? zap_class+0x640/0x640 [ 765.887772] ? zap_class+0x640/0x640 [ 765.891562] ? zap_class+0x640/0x640 [ 765.895271] ? __do_page_cache_readahead+0x663/0x810 [ 765.900373] ? find_held_lock+0x36/0x1c0 [ 765.904442] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 765.909975] alloc_pages_current+0x173/0x350 [ 765.914380] __page_cache_alloc+0x38c/0x5c0 [ 765.918693] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 765.923905] ? kasan_check_read+0x11/0x20 [ 765.928044] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 765.933316] ? generic_perform_write+0x6a0/0x6a0 [ 765.938064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 765.943596] ? check_preemption_disabled+0x48/0x280 [ 765.948615] filemap_fault+0x1595/0x25f0 [ 765.952778] ? __lock_page_or_retry+0xa00/0xa00 [ 765.957455] ? mark_held_locks+0x130/0x130 [ 765.961702] ? filemap_map_pages+0xd6b/0x1a20 [ 765.966191] ? lock_downgrade+0x900/0x900 [ 765.970332] ? check_preemption_disabled+0x48/0x280 [ 765.975343] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 765.980280] ? kasan_check_read+0x11/0x20 [ 765.984448] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 765.989716] ? rcu_softirq_qs+0x20/0x20 [ 765.993720] ? filemap_map_pages+0xd92/0x1a20 [ 765.998216] ? find_get_entries_tag+0x1400/0x1400 [ 766.003055] ? futex_wake+0x760/0x760 [ 766.006858] ? lock_acquire+0x1ed/0x520 [ 766.010823] ? ext4_filemap_fault+0x7a/0xad [ 766.015143] ? lock_release+0xa00/0xa00 [ 766.019130] ? perf_trace_sched_process_exec+0x860/0x860 [ 766.024781] ? print_usage_bug+0xc0/0xc0 [ 766.028832] ? print_usage_bug+0xc0/0xc0 [ 766.032911] ? down_read+0x8d/0x120 [ 766.036532] ? ext4_filemap_fault+0x7a/0xad [ 766.040845] ? __down_interruptible+0x700/0x700 [ 766.045531] ext4_filemap_fault+0x82/0xad [ 766.049685] __do_fault+0x100/0x6b0 [ 766.053319] ? pmd_devmap_trans_unstable+0x220/0x220 [ 766.058554] ? mark_held_locks+0x130/0x130 [ 766.062786] ? mark_held_locks+0x130/0x130 [ 766.067013] ? __might_fault+0x12b/0x1e0 [ 766.071065] ? lock_downgrade+0x900/0x900 [ 766.075207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 766.080743] __handle_mm_fault+0x3ea0/0x5be0 [ 766.085148] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 766.089985] ? kasan_check_read+0x11/0x20 [ 766.094124] ? _copy_to_user+0xc8/0x110 [ 766.098095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 766.103648] ? zap_class+0x640/0x640 [ 766.107355] ? zap_class+0x640/0x640 [ 766.111084] ? find_held_lock+0x36/0x1c0 [ 766.115148] ? handle_mm_fault+0x42a/0xc70 [ 766.119463] ? lock_downgrade+0x900/0x900 [ 766.123608] ? check_preemption_disabled+0x48/0x280 [ 766.128621] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 766.133741] ? kasan_check_read+0x11/0x20 [ 766.137876] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 766.143143] ? rcu_softirq_qs+0x20/0x20 [ 766.147106] ? trace_hardirqs_off_caller+0x310/0x310 [ 766.152201] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 766.157734] ? check_preemption_disabled+0x48/0x280 [ 766.162755] handle_mm_fault+0x54f/0xc70 [ 766.166808] ? __handle_mm_fault+0x5be0/0x5be0 [ 766.171385] ? find_vma+0x34/0x190 [ 766.174933] __do_page_fault+0x5e8/0xe60 [ 766.178988] ? trace_hardirqs_off+0xb8/0x310 [ 766.183398] do_page_fault+0xf2/0x7e0 [ 766.187200] ? vmalloc_sync_all+0x30/0x30 [ 766.191345] ? error_entry+0x70/0xd0 [ 766.195047] ? trace_hardirqs_off_caller+0xbb/0x310 [ 766.200049] ? trace_hardirqs_on_caller+0xc0/0x310 [ 766.204970] ? syscall_return_slowpath+0x5e0/0x5e0 [ 766.209884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 766.214713] ? trace_hardirqs_on_caller+0x310/0x310 [ 766.219717] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 766.225156] ? prepare_exit_to_usermode+0x291/0x3b0 [ 766.230158] ? page_fault+0x8/0x30 [ 766.233933] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 766.238775] ? page_fault+0x8/0x30 [ 766.242302] page_fault+0x1e/0x30 [ 766.245744] RIP: 0033:0x407e06 [ 766.248940] Code: Bad RIP value. [ 766.252290] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 766.257657] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 766.264910] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 766.272162] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 766.279441] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 766.286698] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 766.294097] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 766.294156] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 766.301367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 766.301374] Call Trace: [ 766.307927] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 766.317195] dump_stack+0x244/0x39d [ 766.319746] syz-fuzzer cpuset=/ mems_allowed=0 [ 766.329959] ? dump_stack_print_info.cold.1+0x20/0x20 [ 766.343547] warn_alloc.cold.116+0xb7/0x1bd [ 766.347865] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 766.352708] ? lock_downgrade+0x900/0x900 [ 766.356863] ? trace_hardirqs_off+0xb8/0x310 [ 766.361273] ? trace_hardirqs_off+0xb8/0x310 [ 766.365686] __alloc_pages_slowpath+0x26e8/0x2e10 [ 766.370556] ? warn_alloc+0x120/0x120 [ 766.374362] ? zap_class+0x640/0x640 [ 766.378070] ? warn_alloc+0x120/0x120 [ 766.381871] ? warn_alloc+0x120/0x120 [ 766.385668] ? print_usage_bug+0xc0/0xc0 [ 766.389747] ? find_held_lock+0x36/0x1c0 [ 766.393803] ? print_usage_bug+0xc0/0xc0 [ 766.397880] ? cpuacct_charge+0x265/0x440 [ 766.402045] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 766.407580] ? should_fail+0x22d/0xd01 [ 766.411462] ? find_held_lock+0x36/0x1c0 [ 766.415521] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 766.420631] ? __lock_acquire+0x62f/0x4c20 [ 766.424860] ? should_fail+0x22d/0xd01 [ 766.428753] ? mark_held_locks+0x130/0x130 [ 766.433498] ? mark_held_locks+0x130/0x130 [ 766.437736] ? __lock_acquire+0x62f/0x4c20 [ 766.441971] ? zap_class+0x640/0x640 [ 766.445679] ? __lock_is_held+0xb5/0x140 [ 766.449745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 766.455282] ? check_preemption_disabled+0x48/0x280 [ 766.460336] ? __lock_is_held+0xb5/0x140 [ 766.464421] __alloc_pages_nodemask+0xa80/0xde0 [ 766.469106] ? zap_class+0x640/0x640 [ 766.472821] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 766.477857] ? find_held_lock+0x36/0x1c0 [ 766.481931] ? ____cache_alloc_node+0x1c7/0x1e0 [ 766.486594] ? lock_downgrade+0x900/0x900 [ 766.490747] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 766.496303] cache_grow_begin+0xa5/0x8c0 [ 766.500369] ? do_raw_spin_unlock+0xa7/0x330 [ 766.504793] fallback_alloc+0x204/0x2e0 [ 766.508772] ____cache_alloc_node+0x1c7/0x1e0 [ 766.513269] kmem_cache_alloc+0x1f8/0x730 [ 766.517429] skb_clone+0x1bb/0x500 [ 766.520965] ? finish_task_switch+0x1b4/0x910 [ 766.525460] ? skb_split+0x11e0/0x11e0 [ 766.529347] ? preempt_notifier_register+0x200/0x200 [ 766.534965] ? __switch_to_asm+0x34/0x70 [ 766.539025] ? __switch_to_asm+0x34/0x70 [ 766.543080] ? __switch_to_asm+0x40/0x70 [ 766.547136] ? __switch_to_asm+0x34/0x70 [ 766.551187] ? __switch_to_asm+0x40/0x70 [ 766.555239] ? __switch_to_asm+0x34/0x70 [ 766.559292] ? __switch_to_asm+0x40/0x70 [ 766.563351] ? __switch_to_asm+0x34/0x70 [ 766.567414] ? __switch_to_asm+0x34/0x70 [ 766.571484] ? __switch_to_asm+0x40/0x70 [ 766.575537] ? __switch_to_asm+0x34/0x70 [ 766.579616] bpf_clone_redirect+0xb9/0x490 [ 766.583841] ? __schedule+0x8d7/0x21d0 [ 766.587815] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 766.592840] ? __sched_text_start+0x8/0x8 [ 766.596984] ? retint_kernel+0x2d/0x2d [ 766.600874] ? find_held_lock+0x36/0x1c0 [ 766.604945] ? lock_acquire+0x1ed/0x520 [ 766.608922] ? bpf_test_run+0x3cb/0x780 [ 766.612889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 766.618425] ? check_preemption_disabled+0x48/0x280 [ 766.623448] ? kasan_check_read+0x11/0x20 [ 766.627588] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 766.633132] ? rcu_softirq_qs+0x20/0x20 [ 766.637103] ? preempt_schedule+0x4d/0x60 [ 766.641338] ? ___preempt_schedule+0x16/0x18 [ 766.645747] ? bpf_test_run+0x25d/0x780 [ 766.649724] ? netlink_diag_dump+0x2a0/0x2a0 [ 766.654133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 766.659926] ? bpf_test_init.isra.10+0x70/0x100 [ 766.664598] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 766.669363] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 766.674203] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 766.679731] ? fput+0x130/0x1a0 [ 766.683011] ? __bpf_prog_get+0x9b/0x290 [ 766.687071] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 766.691912] ? bpf_prog_test_run+0x130/0x1a0 [ 766.696331] ? __x64_sys_bpf+0x3db/0x520 [ 766.700390] ? bpf_prog_get+0x20/0x20 [ 766.704241] ? do_syscall_64+0x1b9/0x820 [ 766.708299] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 766.713658] ? syscall_return_slowpath+0x5e0/0x5e0 [ 766.718581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 766.723425] ? trace_hardirqs_on_caller+0x310/0x310 [ 766.728438] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 766.734403] ? prepare_exit_to_usermode+0x291/0x3b0 [ 766.739443] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 766.744285] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 766.749664] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 766.749669] warn_alloc_show_mem: 1 callbacks suppressed [ 766.749676] Mem-Info: [ 766.756680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 766.762053] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 766.762053] active_file:32 inactive_file:0 isolated_file:0 [ 766.762053] unevictable:0 dirty:0 writeback:0 unstable:0 [ 766.762053] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 766.762053] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 766.762053] free:13730 free_pcp:227 free_cma:0 [ 766.764438] Call Trace: [ 766.773821] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 766.806745] [ 766.809342] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 766.837702] dump_stack+0x244/0x39d [ 766.839839] lowmem_reserve[]: 0 2818 6321 6321 [ 766.866110] ? dump_stack_print_info.cold.1+0x20/0x20 [ 766.869706] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 766.874281] warn_alloc.cold.116+0xb7/0x1bd [ 766.879427] lowmem_reserve[]: 0 0 3503 3503 [ 766.907021] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 766.911310] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 766.915618] ? lock_downgrade+0x900/0x900 [ 766.920429] lowmem_reserve[]: 0 0 0 0 [ 766.949854] ? trace_hardirqs_off+0xb8/0x310 [ 766.953964] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 766.957755] ? trace_hardirqs_off+0xb8/0x310 [ 766.962129] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 766.975648] __alloc_pages_slowpath+0x26e8/0x2e10 [ 766.980018] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 766.994774] ? warn_alloc+0x120/0x120 [ 766.999575] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 767.013770] ? print_usage_bug+0xc0/0xc0 [ 767.017545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 767.026469] ? warn_alloc+0x120/0x120 [ 767.030507] 6658 total pagecache pages [ 767.039297] ? warn_alloc+0x120/0x120 [ 767.043072] 0 pages in swap cache [ 767.046934] ? print_usage_bug+0xc0/0xc0 [ 767.050707] Swap cache stats: add 0, delete 0, find 0/0 [ 767.054143] ? kvm_clock_read+0x18/0x30 [ 767.058174] Free swap = 0kB [ 767.063519] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 767.067459] Total swap = 0kB [ 767.070483] ? print_usage_bug+0xc0/0xc0 [ 767.075467] 1965979 pages RAM [ 767.078472] ? __lock_acquire+0x62f/0x4c20 [ 767.082502] 0 pages HighMem/MovableOnly [ 767.085592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 767.089795] 342853 pages reserved [ 767.093750] ? should_fail+0x22d/0xd01 [ 767.099252] 0 pages cma reserved [ 767.102688] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 767.115182] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 767.120292] ? __lock_acquire+0x62f/0x4c20 [ 767.124533] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 767.128023] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 767.129632] ? __lock_acquire+0x62f/0x4c20 [ 767.140584] syz-executor0 cpuset=syz0 mems_allowed=0 [ 767.144803] ? should_fail+0x22d/0xd01 [ 767.144818] ? rcu_irq_exit+0x1a2/0x390 [ 767.157724] ? mark_held_locks+0x130/0x130 [ 767.161950] ? mark_held_locks+0x130/0x130 [ 767.166177] ? mark_held_locks+0xc7/0x130 [ 767.170317] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 767.175322] ? zap_class+0x640/0x640 [ 767.179027] ? print_usage_bug+0xc0/0xc0 [ 767.183097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.188622] ? check_preemption_disabled+0x48/0x280 [ 767.193654] ? __lock_is_held+0xb5/0x140 [ 767.197710] __alloc_pages_nodemask+0xa80/0xde0 [ 767.202388] ? zap_class+0x640/0x640 [ 767.206092] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 767.211118] ? find_held_lock+0x36/0x1c0 [ 767.215176] ? ____cache_alloc_node+0x1c7/0x1e0 [ 767.219836] ? lock_downgrade+0x900/0x900 [ 767.223983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.229517] cache_grow_begin+0xa5/0x8c0 [ 767.233832] ? do_raw_spin_unlock+0xa7/0x330 [ 767.238248] fallback_alloc+0x204/0x2e0 [ 767.242238] ____cache_alloc_node+0x1c7/0x1e0 [ 767.246729] kmem_cache_alloc_node+0xe3/0x730 [ 767.251219] ? ipv6_get_ifaddr+0x42e/0x620 [ 767.255460] __alloc_skb+0x119/0x770 [ 767.259162] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 767.264545] ? netdev_alloc_frag+0x1f0/0x1f0 [ 767.268941] ? lock_downgrade+0x900/0x900 [ 767.273080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.278608] ? refcount_sub_and_test_checked+0x203/0x310 [ 767.284056] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 767.289502] ? addrconf_rs_timer+0x690/0x690 [ 767.293928] ndisc_alloc_skb+0x144/0x340 [ 767.297986] ndisc_send_rs+0x331/0x6e0 [ 767.301873] addrconf_rs_timer+0x314/0x690 [ 767.306103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 767.310355] call_timer_fn+0x272/0x920 [ 767.314258] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 767.318485] ? process_timeout+0x40/0x40 [ 767.322546] ? mark_held_locks+0xc7/0x130 [ 767.326698] ? _raw_spin_unlock_irq+0x27/0x80 [ 767.331178] ? _raw_spin_unlock_irq+0x27/0x80 [ 767.335933] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 767.340178] ? lockdep_hardirqs_on+0x296/0x5b0 [ 767.344769] ? trace_hardirqs_on+0xbd/0x310 [ 767.349374] ? kasan_check_read+0x11/0x20 [ 767.353519] ? __run_timers+0x7da/0xc70 [ 767.357493] ? trace_hardirqs_off_caller+0x310/0x310 [ 767.362696] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 767.366928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 767.371160] __run_timers+0x7e5/0xc70 [ 767.374959] ? timer_fixup_init+0x70/0x70 [ 767.379126] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 767.384138] ? zap_class+0x640/0x640 [ 767.387854] ? print_usage_bug+0xc0/0xc0 [ 767.391912] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 767.397102] ? find_held_lock+0x36/0x1c0 [ 767.401161] ? zap_class+0x640/0x640 [ 767.404871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.410402] ? check_preemption_disabled+0x48/0x280 [ 767.415418] ? __lock_is_held+0xb5/0x140 [ 767.419474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.425003] ? check_preemption_disabled+0x48/0x280 [ 767.430019] run_timer_softirq+0x52/0xb0 [ 767.434243] ? rcu_read_lock_sched_held+0x14f/0x180 [ 767.439251] __do_softirq+0x308/0xb7e [ 767.443045] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 767.447550] ? lock_downgrade+0x900/0x900 [ 767.451699] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 767.456819] ? pvclock_read_flags+0x160/0x160 [ 767.461306] ? lapic_next_event+0x5a/0x90 [ 767.465446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.470980] ? kvm_clock_read+0x18/0x30 [ 767.474945] ? kvm_sched_clock_read+0x9/0x20 [ 767.479349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.484910] ? check_preemption_disabled+0x48/0x280 [ 767.489933] irq_exit+0x17f/0x1c0 [ 767.493392] smp_apic_timer_interrupt+0x1cb/0x760 [ 767.498228] ? smp_reschedule_interrupt+0x109/0x650 [ 767.503236] ? smp_call_function_single_interrupt+0x650/0x650 [ 767.509116] ? interrupt_entry+0xb5/0xc0 [ 767.513174] ? trace_hardirqs_off_caller+0xbb/0x310 [ 767.518199] ? trace_hardirqs_off_caller+0xbb/0x310 [ 767.523214] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 767.528056] ? trace_hardirqs_on_caller+0x310/0x310 [ 767.533289] ? trace_hardirqs_on_caller+0x310/0x310 [ 767.538310] ? task_prio+0x50/0x50 [ 767.541880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.547407] ? check_preemption_disabled+0x48/0x280 [ 767.552443] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 767.557287] apic_timer_interrupt+0xf/0x20 [ 767.561508] [ 767.563742] RIP: 0010:console_unlock+0x102f/0x1190 [ 767.568668] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 767.587672] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 767.595384] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 767.602673] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 767.609931] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 767.617187] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 767.624459] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 767.631728] ? netconsole_netdev_event+0x280/0x280 [ 767.636914] ? console_unlock+0x1026/0x1190 [ 767.641247] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 767.645904] ? vprintk_emit+0x846/0x990 [ 767.649873] ? lock_release+0xa00/0xa00 [ 767.653844] ? trace_hardirqs_on+0x70/0x310 [ 767.658163] ? vprintk_default+0x28/0x30 [ 767.662219] ? trace_hardirqs_off_caller+0x310/0x310 [ 767.667579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.673110] vprintk_emit+0x391/0x990 [ 767.676993] ? wake_up_klogd+0x180/0x180 [ 767.681050] ? find_held_lock+0x11/0x1c0 [ 767.685126] ? mark_held_locks+0xc7/0x130 [ 767.689262] ? _raw_spin_unlock_irq+0x27/0x80 [ 767.693742] ? _raw_spin_unlock_irq+0x27/0x80 [ 767.698232] vprintk_default+0x28/0x30 [ 767.702116] vprintk_func+0x7e/0x181 [ 767.705821] printk+0xa7/0xcf [ 767.708922] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 767.713670] ? _raw_spin_unlock_irq+0x60/0x80 [ 767.718177] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 767.723460] dump_header+0x7cc/0xf72 [ 767.727172] ? pagefault_out_of_memory+0x197/0x197 [ 767.732098] ? __lock_acquire+0x62f/0x4c20 [ 767.736572] ? print_usage_bug+0xc0/0xc0 [ 767.740625] ? zap_class+0x640/0x640 [ 767.744327] ? zap_class+0x640/0x640 [ 767.748036] ? print_usage_bug+0xc0/0xc0 [ 767.752090] ? print_usage_bug+0xc0/0xc0 [ 767.756155] ? find_held_lock+0x36/0x1c0 [ 767.760248] ? mark_held_locks+0xc7/0x130 [ 767.764429] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 767.769526] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 767.774642] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 767.779222] ? trace_hardirqs_on+0xbd/0x310 [ 767.783533] ? kasan_check_read+0x11/0x20 [ 767.787675] ? ___ratelimit+0x3b4/0x672 [ 767.791647] ? trace_hardirqs_off_caller+0x310/0x310 [ 767.796753] ? trace_hardirqs_on+0x310/0x310 [ 767.801155] ? lock_downgrade+0x900/0x900 [ 767.805298] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 767.810398] ? ___ratelimit+0x3b9/0x672 [ 767.814378] ? idr_get_free+0xf70/0xf70 [ 767.818353] ? kasan_check_read+0x11/0x20 [ 767.822498] ? do_raw_spin_unlock+0xa7/0x330 [ 767.827081] oom_kill_process.cold.27+0x10/0x903 [ 767.831834] ? zap_class+0x640/0x640 [ 767.835810] ? _raw_spin_unlock+0x2c/0x50 [ 767.839945] ? oom_badness+0xe6/0xaa0 [ 767.843746] ? oom_evaluate_task+0x540/0x540 [ 767.848151] ? find_held_lock+0x36/0x1c0 [ 767.852240] ? out_of_memory+0x974/0x1430 [ 767.856400] ? lock_downgrade+0x900/0x900 [ 767.860545] ? check_preemption_disabled+0x48/0x280 [ 767.865561] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 767.870488] ? kasan_check_read+0x11/0x20 [ 767.874627] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 767.880006] ? rcu_softirq_qs+0x20/0x20 [ 767.883989] ? kasan_check_write+0x14/0x20 [ 767.888227] ? oom_evaluate_task+0x302/0x540 [ 767.892631] out_of_memory+0xa84/0x1430 [ 767.896609] ? oom_killer_disable+0x3a0/0x3a0 [ 767.901100] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 767.906039] ? __ww_mutex_check_waiters+0x160/0x160 [ 767.911061] __alloc_pages_slowpath+0x2354/0x2e10 [ 767.916030] ? warn_alloc+0x120/0x120 [ 767.919843] ? mark_held_locks+0x130/0x130 [ 767.924083] ? find_get_entry+0xaae/0x1120 [ 767.928321] ? filemap_map_pages+0x1a20/0x1a20 [ 767.933172] ? zap_class+0x640/0x640 [ 767.936882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.942413] ? check_preemption_disabled+0x48/0x280 [ 767.947546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 767.953078] ? should_fail+0x22d/0xd01 [ 767.956961] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 767.962058] ? zap_class+0x640/0x640 [ 767.965788] ? __lock_is_held+0xb5/0x140 [ 767.969847] ? mark_held_locks+0x130/0x130 [ 767.974074] ? lock_release+0xa00/0xa00 [ 767.978038] ? perf_trace_sched_process_exec+0x860/0x860 [ 767.983495] ? xa_load+0x2ba/0x460 [ 767.987026] ? lock_downgrade+0x900/0x900 [ 767.991183] ? __might_sleep+0x95/0x190 [ 767.995152] __alloc_pages_nodemask+0xa80/0xde0 [ 767.999849] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 768.004861] ? __page_cache_alloc+0x191/0x5c0 [ 768.009373] ? xa_load+0x2e1/0x460 [ 768.013006] ? xa_clear_mark+0x40/0x40 [ 768.016898] ? zap_class+0x640/0x640 [ 768.020620] ? zap_class+0x640/0x640 [ 768.024320] ? zap_class+0x640/0x640 [ 768.028032] ? __do_page_cache_readahead+0x663/0x810 [ 768.033389] ? find_held_lock+0x36/0x1c0 [ 768.037445] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 768.042977] alloc_pages_current+0x173/0x350 [ 768.047383] __page_cache_alloc+0x38c/0x5c0 [ 768.051697] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 768.056622] ? kasan_check_read+0x11/0x20 [ 768.060764] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 768.066035] ? generic_perform_write+0x6a0/0x6a0 [ 768.070796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 768.076326] ? check_preemption_disabled+0x48/0x280 [ 768.081365] filemap_fault+0x1595/0x25f0 [ 768.085426] ? __lock_page_or_retry+0xa00/0xa00 [ 768.090091] ? mark_held_locks+0x130/0x130 [ 768.094328] ? filemap_map_pages+0xd6b/0x1a20 [ 768.098828] ? lock_downgrade+0x900/0x900 [ 768.103059] ? check_preemption_disabled+0x48/0x280 [ 768.108065] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 768.112985] ? kasan_check_read+0x11/0x20 [ 768.117127] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 768.122398] ? rcu_softirq_qs+0x20/0x20 [ 768.126383] ? filemap_map_pages+0xd92/0x1a20 [ 768.130999] ? find_get_entries_tag+0x1400/0x1400 [ 768.136042] ? futex_wake+0x760/0x760 [ 768.139972] ? lock_acquire+0x1ed/0x520 [ 768.143941] ? ext4_filemap_fault+0x7a/0xad [ 768.148261] ? lock_release+0xa00/0xa00 [ 768.152227] ? perf_trace_sched_process_exec+0x860/0x860 [ 768.157670] ? print_usage_bug+0xc0/0xc0 [ 768.161736] ? print_usage_bug+0xc0/0xc0 [ 768.165801] ? down_read+0x8d/0x120 [ 768.169512] ? ext4_filemap_fault+0x7a/0xad [ 768.173826] ? __down_interruptible+0x700/0x700 [ 768.178494] ext4_filemap_fault+0x82/0xad [ 768.182637] __do_fault+0x100/0x6b0 [ 768.186257] ? pmd_devmap_trans_unstable+0x220/0x220 [ 768.191394] ? mark_held_locks+0x130/0x130 [ 768.195632] ? mark_held_locks+0x130/0x130 [ 768.199862] ? __might_fault+0x12b/0x1e0 [ 768.203917] ? lock_downgrade+0x900/0x900 [ 768.208064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 768.213599] __handle_mm_fault+0x3ea0/0x5be0 [ 768.218009] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 768.222850] ? kasan_check_read+0x11/0x20 [ 768.226994] ? _copy_to_user+0xc8/0x110 [ 768.230959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 768.236778] ? zap_class+0x640/0x640 [ 768.240478] ? zap_class+0x640/0x640 [ 768.244189] ? find_held_lock+0x36/0x1c0 [ 768.248250] ? handle_mm_fault+0x42a/0xc70 [ 768.252490] ? lock_downgrade+0x900/0x900 [ 768.256629] ? check_preemption_disabled+0x48/0x280 [ 768.261637] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 768.266560] ? kasan_check_read+0x11/0x20 [ 768.270701] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 768.275964] ? rcu_softirq_qs+0x20/0x20 [ 768.279923] ? trace_hardirqs_off_caller+0x310/0x310 [ 768.285017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 768.290545] ? check_preemption_disabled+0x48/0x280 [ 768.295588] handle_mm_fault+0x54f/0xc70 [ 768.299640] ? __handle_mm_fault+0x5be0/0x5be0 [ 768.304216] ? find_vma+0x34/0x190 [ 768.307771] __do_page_fault+0x5e8/0xe60 [ 768.311817] ? trace_hardirqs_off+0xb8/0x310 [ 768.316241] do_page_fault+0xf2/0x7e0 [ 768.320031] ? vmalloc_sync_all+0x30/0x30 [ 768.324165] ? error_entry+0x70/0xd0 [ 768.327869] ? trace_hardirqs_off_caller+0xbb/0x310 [ 768.333253] ? trace_hardirqs_on_caller+0xc0/0x310 [ 768.338176] ? syscall_return_slowpath+0x5e0/0x5e0 [ 768.343096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 768.347946] ? trace_hardirqs_on_caller+0x310/0x310 [ 768.352952] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 768.358402] ? prepare_exit_to_usermode+0x291/0x3b0 [ 768.363413] ? page_fault+0x8/0x30 [ 768.366962] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 768.371808] ? page_fault+0x8/0x30 [ 768.375356] page_fault+0x1e/0x30 [ 768.378802] RIP: 0033:0x407e06 [ 768.382001] Code: Bad RIP value. [ 768.385377] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 768.390736] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 768.397996] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 768.405259] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 768.412520] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 768.419789] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 768.427086] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 768.427153] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 768.435450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 768.435456] Call Trace: [ 768.435478] dump_stack+0x244/0x39d [ 768.435502] ? dump_stack_print_info.cold.1+0x20/0x20 [ 768.442047] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 768.451332] warn_alloc.cold.116+0xb7/0x1bd [ 768.453881] syz-fuzzer cpuset=/ mems_allowed=0 [ 768.457495] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 768.486650] ? lock_downgrade+0x900/0x900 [ 768.490798] ? trace_hardirqs_off+0xb8/0x310 [ 768.495208] ? trace_hardirqs_off+0xb8/0x310 [ 768.499619] __alloc_pages_slowpath+0x26e8/0x2e10 [ 768.504491] ? warn_alloc+0x120/0x120 [ 768.508283] ? zap_class+0x640/0x640 [ 768.511992] ? warn_alloc+0x120/0x120 [ 768.515789] ? warn_alloc+0x120/0x120 [ 768.519581] ? print_usage_bug+0xc0/0xc0 [ 768.523632] ? find_held_lock+0x36/0x1c0 [ 768.527688] ? print_usage_bug+0xc0/0xc0 [ 768.531745] ? cpuacct_charge+0x265/0x440 [ 768.536376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 768.541916] ? should_fail+0x22d/0xd01 [ 768.545800] ? find_held_lock+0x36/0x1c0 [ 768.549867] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 768.554965] ? __lock_acquire+0x62f/0x4c20 [ 768.559202] ? should_fail+0x22d/0xd01 [ 768.563095] ? mark_held_locks+0x130/0x130 [ 768.567341] ? mark_held_locks+0x130/0x130 [ 768.571571] ? __lock_acquire+0x62f/0x4c20 [ 768.575818] ? zap_class+0x640/0x640 [ 768.579530] ? __lock_is_held+0xb5/0x140 [ 768.583591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 768.589121] ? check_preemption_disabled+0x48/0x280 [ 768.594137] ? __lock_is_held+0xb5/0x140 [ 768.598194] __alloc_pages_nodemask+0xa80/0xde0 [ 768.602860] ? zap_class+0x640/0x640 [ 768.606574] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 768.611597] ? find_held_lock+0x36/0x1c0 [ 768.615664] ? ____cache_alloc_node+0x1c7/0x1e0 [ 768.620332] ? lock_downgrade+0x900/0x900 [ 768.624480] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 768.630111] cache_grow_begin+0xa5/0x8c0 [ 768.634640] ? do_raw_spin_unlock+0xa7/0x330 [ 768.639063] fallback_alloc+0x204/0x2e0 [ 768.643036] ____cache_alloc_node+0x1c7/0x1e0 [ 768.647531] kmem_cache_alloc+0x1f8/0x730 [ 768.651687] skb_clone+0x1bb/0x500 [ 768.655221] ? finish_task_switch+0x1b4/0x910 [ 768.659878] ? skb_split+0x11e0/0x11e0 [ 768.663761] ? preempt_notifier_register+0x200/0x200 [ 768.668860] ? __switch_to_asm+0x34/0x70 [ 768.672913] ? __switch_to_asm+0x34/0x70 [ 768.676963] ? __switch_to_asm+0x40/0x70 [ 768.681011] ? __switch_to_asm+0x34/0x70 [ 768.685060] ? __switch_to_asm+0x40/0x70 [ 768.689125] ? __switch_to_asm+0x34/0x70 [ 768.693173] ? __switch_to_asm+0x40/0x70 [ 768.697225] ? __switch_to_asm+0x34/0x70 [ 768.701283] ? __switch_to_asm+0x34/0x70 [ 768.705338] ? __switch_to_asm+0x40/0x70 [ 768.709389] ? __switch_to_asm+0x34/0x70 [ 768.713449] bpf_clone_redirect+0xb9/0x490 [ 768.717684] ? __schedule+0x8d7/0x21d0 [ 768.721575] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 768.726708] ? __sched_text_start+0x8/0x8 [ 768.730851] ? retint_kernel+0x2d/0x2d [ 768.735259] ? find_held_lock+0x36/0x1c0 [ 768.739344] ? lock_acquire+0x1ed/0x520 [ 768.743311] ? bpf_test_run+0x3cb/0x780 [ 768.747299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 768.752843] ? check_preemption_disabled+0x48/0x280 [ 768.757864] ? kasan_check_read+0x11/0x20 [ 768.762004] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 768.767276] ? rcu_softirq_qs+0x20/0x20 [ 768.771260] ? preempt_schedule+0x4d/0x60 [ 768.775406] ? ___preempt_schedule+0x16/0x18 [ 768.779818] ? bpf_test_run+0x25d/0x780 [ 768.783802] ? netlink_diag_dump+0x2a0/0x2a0 [ 768.788216] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 768.793750] ? bpf_test_init.isra.10+0x70/0x100 [ 768.798424] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 768.803186] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 768.808026] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 768.813561] ? fput+0x130/0x1a0 [ 768.816858] ? __bpf_prog_get+0x9b/0x290 [ 768.820919] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 768.825756] ? bpf_prog_test_run+0x130/0x1a0 [ 768.830162] ? __x64_sys_bpf+0x3db/0x520 [ 768.834666] ? bpf_prog_get+0x20/0x20 [ 768.838481] ? do_syscall_64+0x1b9/0x820 [ 768.842551] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 768.847909] ? syscall_return_slowpath+0x5e0/0x5e0 [ 768.852835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 768.857691] ? trace_hardirqs_on_caller+0x310/0x310 [ 768.862699] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 768.867711] ? prepare_exit_to_usermode+0x291/0x3b0 [ 768.872854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 768.877700] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 768.883157] warn_alloc_show_mem: 1 callbacks suppressed [ 768.883167] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 768.883168] Mem-Info: [ 768.883198] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 768.883198] active_file:32 inactive_file:0 isolated_file:0 [ 768.883198] unevictable:0 dirty:0 writeback:0 unstable:0 [ 768.883198] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 768.883198] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 768.883198] free:13730 free_pcp:227 free_cma:0 [ 768.888524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 768.888532] Call Trace: [ 768.895546] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 768.897932] [ 768.930963] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 768.940537] dump_stack+0x244/0x39d [ 768.943087] lowmem_reserve[]: 0 2818 6321 6321 [ 768.970922] ? dump_stack_print_info.cold.1+0x20/0x20 [ 768.973041] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 768.999146] warn_alloc.cold.116+0xb7/0x1bd [ 769.002733] lowmem_reserve[]: 0 0 3503 3503 [ 769.007329] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 769.012485] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 769.040255] ? lock_downgrade+0x900/0x900 [ 769.044545] lowmem_reserve[]: 0 0 0 0 [ 769.048855] ? trace_hardirqs_off+0xb8/0x310 [ 769.053662] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 769.082898] ? trace_hardirqs_off+0xb8/0x310 [ 769.087016] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 769.090806] __alloc_pages_slowpath+0x26e8/0x2e10 [ 769.095266] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 769.108796] ? warn_alloc+0x120/0x120 [ 769.113168] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 769.127887] ? print_usage_bug+0xc0/0xc0 [ 769.132704] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 769.147005] ? warn_alloc+0x120/0x120 [ 769.150796] 6658 total pagecache pages [ 769.159612] ? warn_alloc+0x120/0x120 [ 769.163646] 0 pages in swap cache [ 769.172198] ? print_usage_bug+0xc0/0xc0 [ 769.175973] Swap cache stats: add 0, delete 0, find 0/0 [ 769.179843] ? kvm_clock_read+0x18/0x30 [ 769.183606] Free swap = 0kB [ 769.187039] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 769.191067] Total swap = 0kB [ 769.196413] ? print_usage_bug+0xc0/0xc0 [ 769.200380] 1965979 pages RAM [ 769.203466] ? __lock_acquire+0x62f/0x4c20 [ 769.208448] 0 pages HighMem/MovableOnly [ 769.211459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 769.215480] 342853 pages reserved [ 769.215487] 0 pages cma reserved [ 769.218574] ? should_fail+0x22d/0xd01 [ 769.243176] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 769.244236] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 769.248626] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 769.258912] kworker/1:0 cpuset=/ mems_allowed=0 [ 769.264213] ? __lock_acquire+0x62f/0x4c20 [ 769.273068] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 769.278161] ? __lock_acquire+0x62f/0x4c20 [ 769.282390] ? should_fail+0x22d/0xd01 [ 769.286262] ? rcu_irq_exit+0x1a2/0x390 [ 769.290252] ? mark_held_locks+0x130/0x130 [ 769.294488] ? mark_held_locks+0x130/0x130 [ 769.298807] ? mark_held_locks+0xc7/0x130 [ 769.302948] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 769.307959] ? zap_class+0x640/0x640 [ 769.311666] ? print_usage_bug+0xc0/0xc0 [ 769.315724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.321254] ? check_preemption_disabled+0x48/0x280 [ 769.326315] ? __lock_is_held+0xb5/0x140 [ 769.330376] __alloc_pages_nodemask+0xa80/0xde0 [ 769.335326] ? zap_class+0x640/0x640 [ 769.339035] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 769.344084] ? find_held_lock+0x36/0x1c0 [ 769.348153] ? ____cache_alloc_node+0x1c7/0x1e0 [ 769.352817] ? lock_downgrade+0x900/0x900 [ 769.356987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.362631] cache_grow_begin+0xa5/0x8c0 [ 769.366684] ? do_raw_spin_unlock+0xa7/0x330 [ 769.371123] fallback_alloc+0x204/0x2e0 [ 769.375101] ____cache_alloc_node+0x1c7/0x1e0 [ 769.379594] kmem_cache_alloc_node+0xe3/0x730 [ 769.384085] ? ipv6_get_ifaddr+0x42e/0x620 [ 769.388339] __alloc_skb+0x119/0x770 [ 769.392051] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 769.397328] ? netdev_alloc_frag+0x1f0/0x1f0 [ 769.401732] ? lock_downgrade+0x900/0x900 [ 769.405881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.411411] ? refcount_sub_and_test_checked+0x203/0x310 [ 769.416862] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 769.422320] ? addrconf_rs_timer+0x690/0x690 [ 769.426726] ndisc_alloc_skb+0x144/0x340 [ 769.430793] ndisc_send_rs+0x331/0x6e0 [ 769.435052] addrconf_rs_timer+0x314/0x690 [ 769.439286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 769.443536] call_timer_fn+0x272/0x920 [ 769.447421] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 769.451648] ? process_timeout+0x40/0x40 [ 769.455713] ? mark_held_locks+0xc7/0x130 [ 769.459860] ? _raw_spin_unlock_irq+0x27/0x80 [ 769.464357] ? _raw_spin_unlock_irq+0x27/0x80 [ 769.468846] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 769.473083] ? lockdep_hardirqs_on+0x296/0x5b0 [ 769.477661] ? trace_hardirqs_on+0xbd/0x310 [ 769.481976] ? kasan_check_read+0x11/0x20 [ 769.486117] ? __run_timers+0x7da/0xc70 [ 769.490084] ? trace_hardirqs_off_caller+0x310/0x310 [ 769.495184] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 769.499413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 769.503641] __run_timers+0x7e5/0xc70 [ 769.507440] ? timer_fixup_init+0x70/0x70 [ 769.511579] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 769.516588] ? zap_class+0x640/0x640 [ 769.520309] ? print_usage_bug+0xc0/0xc0 [ 769.524397] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 769.529659] ? find_held_lock+0x36/0x1c0 [ 769.533971] ? zap_class+0x640/0x640 [ 769.537704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.543235] ? check_preemption_disabled+0x48/0x280 [ 769.548250] ? __lock_is_held+0xb5/0x140 [ 769.552327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.557859] ? check_preemption_disabled+0x48/0x280 [ 769.562870] run_timer_softirq+0x52/0xb0 [ 769.566926] ? rcu_read_lock_sched_held+0x14f/0x180 [ 769.571932] __do_softirq+0x308/0xb7e [ 769.575728] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 769.580217] ? lock_downgrade+0x900/0x900 [ 769.584354] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 769.589455] ? pvclock_read_flags+0x160/0x160 [ 769.593943] ? lapic_next_event+0x5a/0x90 [ 769.598088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.603628] ? kvm_clock_read+0x18/0x30 [ 769.607597] ? kvm_sched_clock_read+0x9/0x20 [ 769.611999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.617528] ? check_preemption_disabled+0x48/0x280 [ 769.622545] irq_exit+0x17f/0x1c0 [ 769.625990] smp_apic_timer_interrupt+0x1cb/0x760 [ 769.630824] ? smp_reschedule_interrupt+0x109/0x650 [ 769.636150] ? smp_call_function_single_interrupt+0x650/0x650 [ 769.642021] ? interrupt_entry+0xb5/0xc0 [ 769.646071] ? trace_hardirqs_off_caller+0xbb/0x310 [ 769.651078] ? trace_hardirqs_off_caller+0xbb/0x310 [ 769.656087] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 769.661409] ? trace_hardirqs_on_caller+0x310/0x310 [ 769.666415] ? trace_hardirqs_on_caller+0x310/0x310 [ 769.671422] ? task_prio+0x50/0x50 [ 769.674951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.680481] ? check_preemption_disabled+0x48/0x280 [ 769.685624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 769.690480] apic_timer_interrupt+0xf/0x20 [ 769.694700] [ 769.696927] RIP: 0010:console_unlock+0x102f/0x1190 [ 769.701851] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 769.720754] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 769.728455] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 769.735963] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 769.743227] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 769.750495] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 769.757761] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 769.765054] ? netconsole_netdev_event+0x280/0x280 [ 769.770002] ? console_unlock+0x1026/0x1190 [ 769.774349] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 769.779005] ? vprintk_emit+0x846/0x990 [ 769.782975] ? lock_release+0xa00/0xa00 [ 769.786947] ? trace_hardirqs_on+0x70/0x310 [ 769.792116] ? vprintk_default+0x28/0x30 [ 769.796178] ? trace_hardirqs_off_caller+0x310/0x310 [ 769.801539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.807074] vprintk_emit+0x391/0x990 [ 769.810872] ? wake_up_klogd+0x180/0x180 [ 769.814933] ? find_held_lock+0x11/0x1c0 [ 769.818996] ? mark_held_locks+0xc7/0x130 [ 769.823142] ? _raw_spin_unlock_irq+0x27/0x80 [ 769.827924] ? _raw_spin_unlock_irq+0x27/0x80 [ 769.832419] vprintk_default+0x28/0x30 [ 769.836529] vprintk_func+0x7e/0x181 [ 769.840241] printk+0xa7/0xcf [ 769.843346] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 769.848096] ? _raw_spin_unlock_irq+0x60/0x80 [ 769.852594] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 769.857873] dump_header+0x7cc/0xf72 [ 769.861595] ? pagefault_out_of_memory+0x197/0x197 [ 769.866730] ? __lock_acquire+0x62f/0x4c20 [ 769.870966] ? print_usage_bug+0xc0/0xc0 [ 769.875032] ? zap_class+0x640/0x640 [ 769.878750] ? zap_class+0x640/0x640 [ 769.882460] ? print_usage_bug+0xc0/0xc0 [ 769.886519] ? print_usage_bug+0xc0/0xc0 [ 769.890583] ? find_held_lock+0x36/0x1c0 [ 769.894649] ? mark_held_locks+0xc7/0x130 [ 769.898796] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 769.903895] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 769.909083] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 769.913660] ? trace_hardirqs_on+0xbd/0x310 [ 769.917975] ? kasan_check_read+0x11/0x20 [ 769.922118] ? ___ratelimit+0x3b4/0x672 [ 769.926086] ? trace_hardirqs_off_caller+0x310/0x310 [ 769.931183] ? trace_hardirqs_on+0x310/0x310 [ 769.935792] ? lock_downgrade+0x900/0x900 [ 769.939956] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 769.945056] ? ___ratelimit+0x3b9/0x672 [ 769.949023] ? idr_get_free+0xf70/0xf70 [ 769.952994] ? kasan_check_read+0x11/0x20 [ 769.957138] ? do_raw_spin_unlock+0xa7/0x330 [ 769.961549] oom_kill_process.cold.27+0x10/0x903 [ 769.966314] ? zap_class+0x640/0x640 [ 769.970021] ? _raw_spin_unlock+0x2c/0x50 [ 769.974161] ? oom_badness+0xe6/0xaa0 [ 769.977966] ? oom_evaluate_task+0x540/0x540 [ 769.982382] ? find_held_lock+0x36/0x1c0 [ 769.986447] ? out_of_memory+0x974/0x1430 [ 769.990592] ? lock_downgrade+0x900/0x900 [ 769.994736] ? check_preemption_disabled+0x48/0x280 [ 769.999753] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 770.004679] ? kasan_check_read+0x11/0x20 [ 770.008823] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 770.014093] ? rcu_softirq_qs+0x20/0x20 [ 770.018071] ? kasan_check_write+0x14/0x20 [ 770.022304] ? oom_evaluate_task+0x302/0x540 [ 770.026712] out_of_memory+0xa84/0x1430 [ 770.030800] ? oom_killer_disable+0x3a0/0x3a0 [ 770.035541] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 770.040473] ? __ww_mutex_check_waiters+0x160/0x160 [ 770.045496] __alloc_pages_slowpath+0x2354/0x2e10 [ 770.050388] ? warn_alloc+0x120/0x120 [ 770.054183] ? mark_held_locks+0x130/0x130 [ 770.058420] ? find_get_entry+0xaae/0x1120 [ 770.062661] ? filemap_map_pages+0x1a20/0x1a20 [ 770.067256] ? zap_class+0x640/0x640 [ 770.070993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 770.076529] ? check_preemption_disabled+0x48/0x280 [ 770.081541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 770.087070] ? should_fail+0x22d/0xd01 [ 770.090957] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 770.096170] ? zap_class+0x640/0x640 [ 770.099895] ? __lock_is_held+0xb5/0x140 [ 770.103955] ? mark_held_locks+0x130/0x130 [ 770.108199] ? lock_release+0xa00/0xa00 [ 770.112169] ? perf_trace_sched_process_exec+0x860/0x860 [ 770.117621] ? xa_load+0x2ba/0x460 [ 770.121156] ? lock_downgrade+0x900/0x900 [ 770.125305] ? __might_sleep+0x95/0x190 [ 770.129318] __alloc_pages_nodemask+0xa80/0xde0 [ 770.134174] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 770.139176] ? __page_cache_alloc+0x191/0x5c0 [ 770.143683] ? xa_load+0x2e1/0x460 [ 770.147216] ? xa_clear_mark+0x40/0x40 [ 770.151102] ? zap_class+0x640/0x640 [ 770.154832] ? zap_class+0x640/0x640 [ 770.158539] ? zap_class+0x640/0x640 [ 770.162249] ? __do_page_cache_readahead+0x663/0x810 [ 770.167364] ? find_held_lock+0x36/0x1c0 [ 770.171425] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 770.176966] alloc_pages_current+0x173/0x350 [ 770.181379] __page_cache_alloc+0x38c/0x5c0 [ 770.185779] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 770.190873] ? kasan_check_read+0x11/0x20 [ 770.195017] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 770.200318] ? generic_perform_write+0x6a0/0x6a0 [ 770.205076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 770.210620] ? check_preemption_disabled+0x48/0x280 [ 770.215635] filemap_fault+0x1595/0x25f0 [ 770.219701] ? __lock_page_or_retry+0xa00/0xa00 [ 770.224372] ? mark_held_locks+0x130/0x130 [ 770.228619] ? filemap_map_pages+0xd6b/0x1a20 [ 770.233109] ? lock_downgrade+0x900/0x900 [ 770.237503] ? check_preemption_disabled+0x48/0x280 [ 770.242521] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 770.247458] ? kasan_check_read+0x11/0x20 [ 770.251601] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 770.256870] ? rcu_softirq_qs+0x20/0x20 [ 770.260853] ? filemap_map_pages+0xd92/0x1a20 [ 770.265352] ? find_get_entries_tag+0x1400/0x1400 [ 770.270193] ? futex_wake+0x760/0x760 [ 770.273999] ? lock_acquire+0x1ed/0x520 [ 770.277970] ? ext4_filemap_fault+0x7a/0xad [ 770.282302] ? lock_release+0xa00/0xa00 [ 770.286276] ? perf_trace_sched_process_exec+0x860/0x860 [ 770.291737] ? print_usage_bug+0xc0/0xc0 [ 770.295794] ? print_usage_bug+0xc0/0xc0 [ 770.299963] ? down_read+0x8d/0x120 [ 770.303578] ? ext4_filemap_fault+0x7a/0xad [ 770.307897] ? __down_interruptible+0x700/0x700 [ 770.312649] ext4_filemap_fault+0x82/0xad [ 770.316793] __do_fault+0x100/0x6b0 [ 770.320417] ? pmd_devmap_trans_unstable+0x220/0x220 [ 770.325519] ? mark_held_locks+0x130/0x130 [ 770.329754] ? mark_held_locks+0x130/0x130 [ 770.334273] ? __might_fault+0x12b/0x1e0 [ 770.338336] ? lock_downgrade+0x900/0x900 [ 770.342506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 770.348053] __handle_mm_fault+0x3ea0/0x5be0 [ 770.352473] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 770.357316] ? kasan_check_read+0x11/0x20 [ 770.361459] ? _copy_to_user+0xc8/0x110 [ 770.365439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 770.370977] ? zap_class+0x640/0x640 [ 770.374682] ? zap_class+0x640/0x640 [ 770.378389] ? find_held_lock+0x36/0x1c0 [ 770.382450] ? handle_mm_fault+0x42a/0xc70 [ 770.386674] ? lock_downgrade+0x900/0x900 [ 770.390815] ? check_preemption_disabled+0x48/0x280 [ 770.395838] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 770.400758] ? kasan_check_read+0x11/0x20 [ 770.404901] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 770.410172] ? rcu_softirq_qs+0x20/0x20 [ 770.414138] ? trace_hardirqs_off_caller+0x310/0x310 [ 770.419234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 770.424791] ? check_preemption_disabled+0x48/0x280 [ 770.429807] handle_mm_fault+0x54f/0xc70 [ 770.434229] ? __handle_mm_fault+0x5be0/0x5be0 [ 770.438815] ? find_vma+0x34/0x190 [ 770.442353] __do_page_fault+0x5e8/0xe60 [ 770.446498] ? trace_hardirqs_off+0xb8/0x310 [ 770.450909] do_page_fault+0xf2/0x7e0 [ 770.454699] ? vmalloc_sync_all+0x30/0x30 [ 770.458947] ? error_entry+0x70/0xd0 [ 770.462652] ? trace_hardirqs_off_caller+0xbb/0x310 [ 770.467661] ? trace_hardirqs_on_caller+0xc0/0x310 [ 770.472583] ? syscall_return_slowpath+0x5e0/0x5e0 [ 770.477503] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 770.482338] ? trace_hardirqs_on_caller+0x310/0x310 [ 770.487346] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 770.492796] ? prepare_exit_to_usermode+0x291/0x3b0 [ 770.497806] ? page_fault+0x8/0x30 [ 770.501340] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 770.506197] ? page_fault+0x8/0x30 [ 770.509752] page_fault+0x1e/0x30 [ 770.513193] RIP: 0033:0x407e06 [ 770.516395] Code: Bad RIP value. [ 770.519753] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 770.525106] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 770.532378] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 770.539863] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 770.547127] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 770.554387] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 770.561676] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 770.561740] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 770.568686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 770.568720] Workqueue: events_power_efficient neigh_periodic_work [ 770.575280] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 770.584512] Call Trace: [ 770.584532] dump_stack+0x244/0x39d [ 770.590729] syz-fuzzer cpuset=/ mems_allowed=0 [ 770.600940] ? dump_stack_print_info.cold.1+0x20/0x20 [ 770.616953] warn_alloc.cold.116+0xb7/0x1bd [ 770.621295] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 770.626151] ? lock_downgrade+0x900/0x900 [ 770.630318] ? trace_hardirqs_off+0xb8/0x310 [ 770.635438] ? trace_hardirqs_off+0xb8/0x310 [ 770.639854] __alloc_pages_slowpath+0x26e8/0x2e10 [ 770.644718] ? warn_alloc+0x120/0x120 [ 770.648520] ? warn_alloc+0x120/0x120 [ 770.652321] ? check_preemption_disabled+0x48/0x280 [ 770.657339] ? warn_alloc+0x120/0x120 [ 770.661430] ? zap_class+0x640/0x640 [ 770.665145] ? print_usage_bug+0xc0/0xc0 [ 770.669208] ? print_usage_bug+0xc0/0xc0 [ 770.673270] ? __lock_acquire+0x62f/0x4c20 [ 770.677511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 770.683053] ? should_fail+0x22d/0xd01 [ 770.686942] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 770.692042] ? __lock_acquire+0x62f/0x4c20 [ 770.696288] ? __lock_acquire+0x62f/0x4c20 [ 770.700522] ? should_fail+0x22d/0xd01 [ 770.704417] ? mark_held_locks+0x130/0x130 [ 770.708652] ? mark_held_locks+0x130/0x130 [ 770.712886] ? pick_next_task_fair+0xa05/0x1b30 [ 770.717556] ? rcu_read_lock_sched_held+0x14f/0x180 [ 770.722570] ? zap_class+0x640/0x640 [ 770.726283] ? zap_class+0x640/0x640 [ 770.730005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 770.735812] ? check_preemption_disabled+0x48/0x280 [ 770.740836] ? __lock_is_held+0xb5/0x140 [ 770.744900] __alloc_pages_nodemask+0xa80/0xde0 [ 770.749567] ? zap_class+0x640/0x640 [ 770.753285] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 770.758575] ? find_held_lock+0x36/0x1c0 [ 770.762645] ? ____cache_alloc_node+0x1c7/0x1e0 [ 770.767338] ? lock_downgrade+0x900/0x900 [ 770.771487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 770.777027] cache_grow_begin+0xa5/0x8c0 [ 770.781086] ? do_raw_spin_unlock+0xa7/0x330 [ 770.785500] fallback_alloc+0x204/0x2e0 [ 770.789486] ____cache_alloc_node+0x1c7/0x1e0 [ 770.793984] kmem_cache_alloc_node+0xe3/0x730 [ 770.798473] ? zap_class+0x640/0x640 [ 770.802184] ? __sched_text_start+0x8/0x8 [ 770.806336] __alloc_skb+0x119/0x770 [ 770.810042] ? zap_class+0x640/0x640 [ 770.813752] ? netdev_alloc_frag+0x1f0/0x1f0 [ 770.818262] ? neigh_periodic_work+0x8ca/0xc60 [ 770.822842] ? lock_downgrade+0x900/0x900 [ 770.826989] ? kasan_check_read+0x11/0x20 [ 770.831130] ? do_raw_write_lock+0x14f/0x310 [ 770.835992] __neigh_notify+0x8c/0x160 [ 770.839879] neigh_cleanup_and_release+0x7b/0xe0 [ 770.844646] neigh_periodic_work+0x8d2/0xc60 [ 770.849059] ? neigh_table_clear+0x390/0x390 [ 770.853467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 770.858997] ? check_preemption_disabled+0x48/0x280 [ 770.864019] ? __lock_is_held+0xb5/0x140 [ 770.868086] process_one_work+0xc90/0x1c40 [ 770.872313] ? mark_held_locks+0x130/0x130 [ 770.876555] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 770.881213] ? __switch_to_asm+0x40/0x70 [ 770.885276] ? __switch_to_asm+0x40/0x70 [ 770.889324] ? __switch_to_asm+0x34/0x70 [ 770.893373] ? __switch_to_asm+0x40/0x70 [ 770.897446] ? __switch_to_asm+0x34/0x70 [ 770.901612] ? __switch_to_asm+0x40/0x70 [ 770.905667] ? __switch_to_asm+0x34/0x70 [ 770.909716] ? __switch_to_asm+0x40/0x70 [ 770.913782] ? __schedule+0x8d7/0x21d0 [ 770.917669] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 770.922264] ? zap_class+0x640/0x640 [ 770.925995] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 770.930752] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 770.935824] ? lock_acquire+0x1ed/0x520 [ 770.939791] ? worker_thread+0x3e0/0x1390 [ 770.943943] ? kasan_check_read+0x11/0x20 [ 770.948087] ? do_raw_spin_lock+0x14f/0x350 [ 770.952579] ? kasan_check_read+0x11/0x20 [ 770.956723] ? rwlock_bug.part.2+0x90/0x90 [ 770.960961] ? trace_hardirqs_on+0x310/0x310 [ 770.965381] worker_thread+0x17f/0x1390 [ 770.969376] ? __switch_to_asm+0x34/0x70 [ 770.973443] ? process_one_work+0x1c40/0x1c40 [ 770.977955] ? __sched_text_start+0x8/0x8 [ 770.982117] ? __kthread_parkme+0xce/0x1a0 [ 770.986348] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 770.991452] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 770.996556] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 771.001134] ? trace_hardirqs_on+0xbd/0x310 [ 771.005457] ? kasan_check_read+0x11/0x20 [ 771.009604] ? __kthread_parkme+0xce/0x1a0 [ 771.013833] ? trace_hardirqs_off_caller+0x310/0x310 [ 771.018944] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 771.024052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 771.029589] ? __kthread_parkme+0xfb/0x1a0 [ 771.034333] ? process_one_work+0x1c40/0x1c40 [ 771.038835] kthread+0x35a/0x440 [ 771.042204] ? kthread_stop+0x900/0x900 [ 771.046183] ret_from_fork+0x3a/0x50 [ 771.049901] warn_alloc_show_mem: 1 callbacks suppressed [ 771.049911] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 771.049913] Mem-Info: [ 771.049944] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 771.049944] active_file:32 inactive_file:0 isolated_file:0 [ 771.049944] unevictable:0 dirty:0 writeback:0 unstable:0 [ 771.049944] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 771.049944] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 771.049944] free:13730 free_pcp:227 free_cma:0 [ 771.055277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 771.062285] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 771.064665] Call Trace: [ 771.097603] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 771.107079] [ 771.135832] lowmem_reserve[]: 0 2818 6321 6321 [ 771.138413] dump_stack+0x244/0x39d [ 771.164488] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 771.166630] ? dump_stack_print_info.cold.1+0x20/0x20 [ 771.171176] lowmem_reserve[]: 0 0 3503 3503 [ 771.174814] warn_alloc.cold.116+0xb7/0x1bd [ 771.202272] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 771.207452] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 771.211740] lowmem_reserve[]: 0 0 0 0 [ 771.216062] ? lock_downgrade+0x900/0x900 [ 771.245591] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 771.250446] ? trace_hardirqs_off+0xb8/0x310 [ 771.254238] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 771.258383] ? trace_hardirqs_off+0xb8/0x310 [ 771.271884] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 771.276312] __alloc_pages_slowpath+0x26e8/0x2e10 [ 771.291021] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 771.295433] ? warn_alloc+0x120/0x120 [ 771.309517] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 771.314338] ? print_usage_bug+0xc0/0xc0 [ 771.323139] 6658 total pagecache pages [ 771.326919] ? warn_alloc+0x120/0x120 [ 771.335781] 0 pages in swap cache [ 771.339821] ? warn_alloc+0x120/0x120 [ 771.343679] Swap cache stats: add 0, delete 0, find 0/0 [ 771.347460] ? print_usage_bug+0xc0/0xc0 [ 771.350886] Free swap = 0kB [ 771.354754] ? kvm_clock_read+0x18/0x30 [ 771.354770] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 771.360101] Total swap = 0kB [ 771.364143] ? print_usage_bug+0xc0/0xc0 [ 771.367131] 1965979 pages RAM [ 771.371094] ? __lock_acquire+0x62f/0x4c20 [ 771.376082] 0 pages HighMem/MovableOnly [ 771.379085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 771.383121] 342853 pages reserved [ 771.386211] ? should_fail+0x22d/0xd01 [ 771.390416] 0 pages cma reserved [ 771.410567] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 771.412180] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 771.415848] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 771.426303] syz-executor0 cpuset=syz0 mems_allowed=0 [ 771.431398] ? __lock_acquire+0x62f/0x4c20 [ 771.441148] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 771.446255] ? __lock_acquire+0x62f/0x4c20 [ 771.450481] ? should_fail+0x22d/0xd01 [ 771.454364] ? rcu_irq_exit+0x1a2/0x390 [ 771.458343] ? mark_held_locks+0x130/0x130 [ 771.462574] ? mark_held_locks+0x130/0x130 [ 771.466822] ? mark_held_locks+0xc7/0x130 [ 771.470958] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 771.475961] ? zap_class+0x640/0x640 [ 771.479667] ? print_usage_bug+0xc0/0xc0 [ 771.483720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.489253] ? check_preemption_disabled+0x48/0x280 [ 771.494398] ? __lock_is_held+0xb5/0x140 [ 771.498450] __alloc_pages_nodemask+0xa80/0xde0 [ 771.503107] ? zap_class+0x640/0x640 [ 771.506827] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 771.511859] ? find_held_lock+0x36/0x1c0 [ 771.515914] ? ____cache_alloc_node+0x1c7/0x1e0 [ 771.520572] ? lock_downgrade+0x900/0x900 [ 771.524713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.530258] cache_grow_begin+0xa5/0x8c0 [ 771.534618] ? do_raw_spin_unlock+0xa7/0x330 [ 771.539030] fallback_alloc+0x204/0x2e0 [ 771.543006] ____cache_alloc_node+0x1c7/0x1e0 [ 771.547515] kmem_cache_alloc_node+0xe3/0x730 [ 771.552010] ? ipv6_get_ifaddr+0x42e/0x620 [ 771.556264] __alloc_skb+0x119/0x770 [ 771.559982] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 771.565260] ? netdev_alloc_frag+0x1f0/0x1f0 [ 771.569666] ? lock_downgrade+0x900/0x900 [ 771.573816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.579350] ? refcount_sub_and_test_checked+0x203/0x310 [ 771.584799] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 771.590278] ? addrconf_rs_timer+0x690/0x690 [ 771.594693] ndisc_alloc_skb+0x144/0x340 [ 771.598753] ndisc_send_rs+0x331/0x6e0 [ 771.602641] addrconf_rs_timer+0x314/0x690 [ 771.606871] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 771.611121] call_timer_fn+0x272/0x920 [ 771.615003] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 771.619253] ? process_timeout+0x40/0x40 [ 771.623316] ? mark_held_locks+0xc7/0x130 [ 771.627457] ? _raw_spin_unlock_irq+0x27/0x80 [ 771.631943] ? _raw_spin_unlock_irq+0x27/0x80 [ 771.636707] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 771.640939] ? lockdep_hardirqs_on+0x296/0x5b0 [ 771.645519] ? trace_hardirqs_on+0xbd/0x310 [ 771.649849] ? kasan_check_read+0x11/0x20 [ 771.653992] ? __run_timers+0x7da/0xc70 [ 771.657962] ? trace_hardirqs_off_caller+0x310/0x310 [ 771.663526] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 771.667759] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 771.672002] __run_timers+0x7e5/0xc70 [ 771.675806] ? timer_fixup_init+0x70/0x70 [ 771.679951] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 771.684963] ? zap_class+0x640/0x640 [ 771.688675] ? print_usage_bug+0xc0/0xc0 [ 771.692732] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 771.697939] ? find_held_lock+0x36/0x1c0 [ 771.702009] ? zap_class+0x640/0x640 [ 771.705722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.711266] ? check_preemption_disabled+0x48/0x280 [ 771.716392] ? __lock_is_held+0xb5/0x140 [ 771.720454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.725987] ? check_preemption_disabled+0x48/0x280 [ 771.731002] run_timer_softirq+0x52/0xb0 [ 771.735304] ? rcu_read_lock_sched_held+0x14f/0x180 [ 771.740315] __do_softirq+0x308/0xb7e [ 771.744123] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 771.748611] ? lock_downgrade+0x900/0x900 [ 771.752760] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 771.757869] ? pvclock_read_flags+0x160/0x160 [ 771.762359] ? lapic_next_event+0x5a/0x90 [ 771.766520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.772060] ? kvm_clock_read+0x18/0x30 [ 771.776026] ? kvm_sched_clock_read+0x9/0x20 [ 771.780438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.785971] ? check_preemption_disabled+0x48/0x280 [ 771.790992] irq_exit+0x17f/0x1c0 [ 771.794437] smp_apic_timer_interrupt+0x1cb/0x760 [ 771.799278] ? smp_reschedule_interrupt+0x109/0x650 [ 771.804298] ? smp_call_function_single_interrupt+0x650/0x650 [ 771.810184] ? interrupt_entry+0xb5/0xc0 [ 771.814369] ? trace_hardirqs_off_caller+0xbb/0x310 [ 771.819386] ? trace_hardirqs_off_caller+0xbb/0x310 [ 771.824402] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 771.829424] ? trace_hardirqs_on_caller+0x310/0x310 [ 771.834687] ? trace_hardirqs_on_caller+0x310/0x310 [ 771.839699] ? task_prio+0x50/0x50 [ 771.843243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.848776] ? check_preemption_disabled+0x48/0x280 [ 771.853790] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 771.858634] apic_timer_interrupt+0xf/0x20 [ 771.862858] [ 771.865091] RIP: 0010:console_unlock+0x102f/0x1190 [ 771.870012] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 771.888918] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 771.896622] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 771.903882] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 771.911147] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 771.918411] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 771.925677] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 771.932950] ? netconsole_netdev_event+0x280/0x280 [ 771.938171] ? console_unlock+0x1026/0x1190 [ 771.942505] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 771.947164] ? vprintk_emit+0x846/0x990 [ 771.951134] ? lock_release+0xa00/0xa00 [ 771.955105] ? trace_hardirqs_on+0x70/0x310 [ 771.959422] ? vprintk_default+0x28/0x30 [ 771.963480] ? trace_hardirqs_off_caller+0x310/0x310 [ 771.968580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.974124] vprintk_emit+0x391/0x990 [ 771.977927] ? wake_up_klogd+0x180/0x180 [ 771.981995] ? find_held_lock+0x11/0x1c0 [ 771.986062] ? mark_held_locks+0xc7/0x130 [ 771.990222] ? _raw_spin_unlock_irq+0x27/0x80 [ 771.994707] ? _raw_spin_unlock_irq+0x27/0x80 [ 771.999213] vprintk_default+0x28/0x30 [ 772.003103] vprintk_func+0x7e/0x181 [ 772.006812] printk+0xa7/0xcf [ 772.009917] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 772.014667] ? _raw_spin_unlock_irq+0x60/0x80 [ 772.019278] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 772.024560] dump_header+0x7cc/0xf72 [ 772.028280] ? pagefault_out_of_memory+0x197/0x197 [ 772.033245] ? __lock_acquire+0x62f/0x4c20 [ 772.037725] ? print_usage_bug+0xc0/0xc0 [ 772.041785] ? zap_class+0x640/0x640 [ 772.045491] ? zap_class+0x640/0x640 [ 772.049212] ? print_usage_bug+0xc0/0xc0 [ 772.053275] ? print_usage_bug+0xc0/0xc0 [ 772.057342] ? find_held_lock+0x36/0x1c0 [ 772.061409] ? mark_held_locks+0xc7/0x130 [ 772.065556] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 772.070650] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 772.075751] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 772.080329] ? trace_hardirqs_on+0xbd/0x310 [ 772.084648] ? kasan_check_read+0x11/0x20 [ 772.088791] ? ___ratelimit+0x3b4/0x672 [ 772.092759] ? trace_hardirqs_off_caller+0x310/0x310 [ 772.097863] ? trace_hardirqs_on+0x310/0x310 [ 772.102265] ? lock_downgrade+0x900/0x900 [ 772.106409] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 772.111505] ? ___ratelimit+0x3b9/0x672 [ 772.115475] ? idr_get_free+0xf70/0xf70 [ 772.119445] ? kasan_check_read+0x11/0x20 [ 772.123584] ? do_raw_spin_unlock+0xa7/0x330 [ 772.128000] oom_kill_process.cold.27+0x10/0x903 [ 772.132756] ? zap_class+0x640/0x640 [ 772.136637] ? _raw_spin_unlock+0x2c/0x50 [ 772.140780] ? oom_badness+0xe6/0xaa0 [ 772.144581] ? oom_evaluate_task+0x540/0x540 [ 772.148989] ? find_held_lock+0x36/0x1c0 [ 772.153055] ? out_of_memory+0x974/0x1430 [ 772.157232] ? lock_downgrade+0x900/0x900 [ 772.161379] ? check_preemption_disabled+0x48/0x280 [ 772.166393] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 772.171313] ? kasan_check_read+0x11/0x20 [ 772.175458] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 772.180728] ? rcu_softirq_qs+0x20/0x20 [ 772.184701] ? kasan_check_write+0x14/0x20 [ 772.188932] ? oom_evaluate_task+0x302/0x540 [ 772.193335] out_of_memory+0xa84/0x1430 [ 772.197317] ? oom_killer_disable+0x3a0/0x3a0 [ 772.201821] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 772.206750] ? __ww_mutex_check_waiters+0x160/0x160 [ 772.211783] __alloc_pages_slowpath+0x2354/0x2e10 [ 772.216661] ? warn_alloc+0x120/0x120 [ 772.220452] ? mark_held_locks+0x130/0x130 [ 772.224684] ? find_get_entry+0xaae/0x1120 [ 772.228945] ? filemap_map_pages+0x1a20/0x1a20 [ 772.233725] ? zap_class+0x640/0x640 [ 772.237439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 772.242974] ? check_preemption_disabled+0x48/0x280 [ 772.247986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 772.253522] ? should_fail+0x22d/0xd01 [ 772.257423] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 772.262520] ? zap_class+0x640/0x640 [ 772.266346] ? __lock_is_held+0xb5/0x140 [ 772.270410] ? mark_held_locks+0x130/0x130 [ 772.274655] ? lock_release+0xa00/0xa00 [ 772.278621] ? perf_trace_sched_process_exec+0x860/0x860 [ 772.284081] ? xa_load+0x2ba/0x460 [ 772.287613] ? lock_downgrade+0x900/0x900 [ 772.291759] ? __might_sleep+0x95/0x190 [ 772.295830] __alloc_pages_nodemask+0xa80/0xde0 [ 772.300501] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 772.305507] ? __page_cache_alloc+0x191/0x5c0 [ 772.309988] ? xa_load+0x2e1/0x460 [ 772.313531] ? xa_clear_mark+0x40/0x40 [ 772.317409] ? zap_class+0x640/0x640 [ 772.321122] ? zap_class+0x640/0x640 [ 772.324829] ? zap_class+0x640/0x640 [ 772.328536] ? __do_page_cache_readahead+0x663/0x810 [ 772.333866] ? find_held_lock+0x36/0x1c0 [ 772.337918] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 772.343457] alloc_pages_current+0x173/0x350 [ 772.347856] __page_cache_alloc+0x38c/0x5c0 [ 772.352167] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 772.357092] ? kasan_check_read+0x11/0x20 [ 772.361232] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 772.366597] ? generic_perform_write+0x6a0/0x6a0 [ 772.371343] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 772.376872] ? check_preemption_disabled+0x48/0x280 [ 772.381884] filemap_fault+0x1595/0x25f0 [ 772.385950] ? __lock_page_or_retry+0xa00/0xa00 [ 772.390614] ? mark_held_locks+0x130/0x130 [ 772.394848] ? filemap_map_pages+0xd6b/0x1a20 [ 772.399338] ? lock_downgrade+0x900/0x900 [ 772.403477] ? check_preemption_disabled+0x48/0x280 [ 772.408486] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 772.413409] ? kasan_check_read+0x11/0x20 [ 772.417546] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 772.422815] ? rcu_softirq_qs+0x20/0x20 [ 772.426795] ? filemap_map_pages+0xd92/0x1a20 [ 772.431298] ? find_get_entries_tag+0x1400/0x1400 [ 772.436434] ? futex_wake+0x760/0x760 [ 772.440247] ? lock_acquire+0x1ed/0x520 [ 772.444236] ? ext4_filemap_fault+0x7a/0xad [ 772.448556] ? lock_release+0xa00/0xa00 [ 772.452526] ? perf_trace_sched_process_exec+0x860/0x860 [ 772.457981] ? print_usage_bug+0xc0/0xc0 [ 772.462127] ? print_usage_bug+0xc0/0xc0 [ 772.466199] ? down_read+0x8d/0x120 [ 772.469826] ? ext4_filemap_fault+0x7a/0xad [ 772.474145] ? __down_interruptible+0x700/0x700 [ 772.478814] ext4_filemap_fault+0x82/0xad [ 772.482957] __do_fault+0x100/0x6b0 [ 772.486577] ? pmd_devmap_trans_unstable+0x220/0x220 [ 772.491674] ? mark_held_locks+0x130/0x130 [ 772.495901] ? mark_held_locks+0x130/0x130 [ 772.500130] ? __might_fault+0x12b/0x1e0 [ 772.504196] ? lock_downgrade+0x900/0x900 [ 772.508347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 772.513880] __handle_mm_fault+0x3ea0/0x5be0 [ 772.518382] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 772.523227] ? kasan_check_read+0x11/0x20 [ 772.527366] ? _copy_to_user+0xc8/0x110 [ 772.531339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 772.537096] ? zap_class+0x640/0x640 [ 772.540806] ? zap_class+0x640/0x640 [ 772.544518] ? find_held_lock+0x36/0x1c0 [ 772.548578] ? handle_mm_fault+0x42a/0xc70 [ 772.552804] ? lock_downgrade+0x900/0x900 [ 772.556945] ? check_preemption_disabled+0x48/0x280 [ 772.561959] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 772.566904] ? kasan_check_read+0x11/0x20 [ 772.571042] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 772.576310] ? rcu_softirq_qs+0x20/0x20 [ 772.580306] ? trace_hardirqs_off_caller+0x310/0x310 [ 772.585403] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 772.590933] ? check_preemption_disabled+0x48/0x280 [ 772.596046] handle_mm_fault+0x54f/0xc70 [ 772.600103] ? __handle_mm_fault+0x5be0/0x5be0 [ 772.604680] ? find_vma+0x34/0x190 [ 772.608238] __do_page_fault+0x5e8/0xe60 [ 772.612294] ? trace_hardirqs_off+0xb8/0x310 [ 772.616705] do_page_fault+0xf2/0x7e0 [ 772.620585] ? vmalloc_sync_all+0x30/0x30 [ 772.624740] ? error_entry+0x70/0xd0 [ 772.628460] ? trace_hardirqs_off_caller+0xbb/0x310 [ 772.633691] ? trace_hardirqs_on_caller+0xc0/0x310 [ 772.638610] ? syscall_return_slowpath+0x5e0/0x5e0 [ 772.643526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 772.648358] ? trace_hardirqs_on_caller+0x310/0x310 [ 772.653366] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 772.659272] ? prepare_exit_to_usermode+0x291/0x3b0 [ 772.664284] ? page_fault+0x8/0x30 [ 772.667814] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 772.672647] ? page_fault+0x8/0x30 [ 772.676222] page_fault+0x1e/0x30 [ 772.679661] RIP: 0033:0x407e06 [ 772.682865] Code: Bad RIP value. [ 772.686218] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 772.691567] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 772.698824] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 772.706082] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 772.713354] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 772.720615] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 772.727896] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 772.727963] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 772.735639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 772.735645] Call Trace: [ 772.735665] dump_stack+0x244/0x39d [ 772.735684] ? dump_stack_print_info.cold.1+0x20/0x20 [ 772.742238] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 772.751511] warn_alloc.cold.116+0xb7/0x1bd [ 772.754061] syz-fuzzer cpuset=/ mems_allowed=0 [ 772.757690] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 772.786751] ? lock_downgrade+0x900/0x900 [ 772.790906] ? trace_hardirqs_off+0xb8/0x310 [ 772.795311] ? trace_hardirqs_off+0xb8/0x310 [ 772.799725] __alloc_pages_slowpath+0x26e8/0x2e10 [ 772.804593] ? warn_alloc+0x120/0x120 [ 772.808389] ? zap_class+0x640/0x640 [ 772.812096] ? warn_alloc+0x120/0x120 [ 772.815892] ? warn_alloc+0x120/0x120 [ 772.819683] ? print_usage_bug+0xc0/0xc0 [ 772.823739] ? find_held_lock+0x36/0x1c0 [ 772.827801] ? print_usage_bug+0xc0/0xc0 [ 772.831871] ? cpuacct_charge+0x265/0x440 [ 772.836266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 772.841796] ? should_fail+0x22d/0xd01 [ 772.845673] ? find_held_lock+0x36/0x1c0 [ 772.849750] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 772.854844] ? __lock_acquire+0x62f/0x4c20 [ 772.859075] ? should_fail+0x22d/0xd01 [ 772.862976] ? mark_held_locks+0x130/0x130 [ 772.867207] ? mark_held_locks+0x130/0x130 [ 772.871435] ? __lock_acquire+0x62f/0x4c20 [ 772.875668] ? zap_class+0x640/0x640 [ 772.879408] ? __lock_is_held+0xb5/0x140 [ 772.883495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 772.889026] ? check_preemption_disabled+0x48/0x280 [ 772.894059] ? __lock_is_held+0xb5/0x140 [ 772.898121] __alloc_pages_nodemask+0xa80/0xde0 [ 772.902780] ? zap_class+0x640/0x640 [ 772.906492] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 772.911509] ? find_held_lock+0x36/0x1c0 [ 772.915574] ? ____cache_alloc_node+0x1c7/0x1e0 [ 772.920237] ? lock_downgrade+0x900/0x900 [ 772.924389] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 772.930053] cache_grow_begin+0xa5/0x8c0 [ 772.934431] ? do_raw_spin_unlock+0xa7/0x330 [ 772.938837] fallback_alloc+0x204/0x2e0 [ 772.942811] ____cache_alloc_node+0x1c7/0x1e0 [ 772.947312] kmem_cache_alloc+0x1f8/0x730 [ 772.951501] skb_clone+0x1bb/0x500 [ 772.955039] ? finish_task_switch+0x1b4/0x910 [ 772.959534] ? skb_split+0x11e0/0x11e0 [ 772.963422] ? preempt_notifier_register+0x200/0x200 [ 772.968522] ? __switch_to_asm+0x34/0x70 [ 772.972579] ? __switch_to_asm+0x34/0x70 [ 772.976641] ? __switch_to_asm+0x40/0x70 [ 772.980699] ? __switch_to_asm+0x34/0x70 [ 772.984756] ? __switch_to_asm+0x40/0x70 [ 772.988818] ? __switch_to_asm+0x34/0x70 [ 772.992871] ? __switch_to_asm+0x40/0x70 [ 772.996928] ? __switch_to_asm+0x34/0x70 [ 773.000984] ? __switch_to_asm+0x34/0x70 [ 773.005038] ? __switch_to_asm+0x40/0x70 [ 773.009094] ? __switch_to_asm+0x34/0x70 [ 773.013158] bpf_clone_redirect+0xb9/0x490 [ 773.017393] ? __schedule+0x8d7/0x21d0 [ 773.021280] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 773.026292] ? __sched_text_start+0x8/0x8 [ 773.030434] ? retint_kernel+0x2d/0x2d [ 773.035023] ? find_held_lock+0x36/0x1c0 [ 773.039087] ? lock_acquire+0x1ed/0x520 [ 773.043148] ? bpf_test_run+0x3cb/0x780 [ 773.047131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.052662] ? check_preemption_disabled+0x48/0x280 [ 773.057724] ? kasan_check_read+0x11/0x20 [ 773.061867] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 773.067134] ? rcu_softirq_qs+0x20/0x20 [ 773.071105] ? preempt_schedule+0x4d/0x60 [ 773.075240] ? ___preempt_schedule+0x16/0x18 [ 773.079749] ? bpf_test_run+0x25d/0x780 [ 773.083732] ? netlink_diag_dump+0x2a0/0x2a0 [ 773.088137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 773.093678] ? bpf_test_init.isra.10+0x70/0x100 [ 773.098358] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 773.103115] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 773.107953] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 773.113484] ? fput+0x130/0x1a0 [ 773.116762] ? __bpf_prog_get+0x9b/0x290 [ 773.120823] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 773.125656] ? bpf_prog_test_run+0x130/0x1a0 [ 773.130082] ? __x64_sys_bpf+0x3db/0x520 [ 773.134616] ? bpf_prog_get+0x20/0x20 [ 773.138448] ? do_syscall_64+0x1b9/0x820 [ 773.142510] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 773.147872] ? syscall_return_slowpath+0x5e0/0x5e0 [ 773.152791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 773.157645] ? trace_hardirqs_on_caller+0x310/0x310 [ 773.162652] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 773.167682] ? prepare_exit_to_usermode+0x291/0x3b0 [ 773.172697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 773.177550] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 773.182916] warn_alloc_show_mem: 1 callbacks suppressed [ 773.182925] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 773.182927] Mem-Info: [ 773.182957] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 773.182957] active_file:32 inactive_file:0 isolated_file:0 [ 773.182957] unevictable:0 dirty:0 writeback:0 unstable:0 [ 773.182957] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 773.182957] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 773.182957] free:13730 free_pcp:227 free_cma:0 [ 773.188288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 773.195312] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 773.197702] Call Trace: [ 773.230640] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 773.240168] [ 773.267987] lowmem_reserve[]: 0 2818 6321 6321 [ 773.270565] dump_stack+0x244/0x39d [ 773.296639] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 773.298786] ? dump_stack_print_info.cold.1+0x20/0x20 [ 773.303336] lowmem_reserve[]: 0 0 3503 3503 [ 773.306955] warn_alloc.cold.116+0xb7/0x1bd [ 773.335243] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 773.340429] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 773.344714] lowmem_reserve[]: 0 0 0 0 [ 773.349019] ? lock_downgrade+0x900/0x900 [ 773.378046] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 773.382883] ? trace_hardirqs_off+0xb8/0x310 [ 773.386650] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 773.390787] ? trace_hardirqs_off+0xb8/0x310 [ 773.404276] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 773.408680] __alloc_pages_slowpath+0x26e8/0x2e10 [ 773.423393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 773.427803] ? warn_alloc+0x120/0x120 [ 773.442140] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 773.446969] ? print_usage_bug+0xc0/0xc0 [ 773.455773] 6658 total pagecache pages [ 773.459559] ? warn_alloc+0x120/0x120 [ 773.468129] 0 pages in swap cache [ 773.472184] ? warn_alloc+0x120/0x120 [ 773.476041] Swap cache stats: add 0, delete 0, find 0/0 [ 773.479824] ? print_usage_bug+0xc0/0xc0 [ 773.483245] Free swap = 0kB [ 773.487034] ? kvm_clock_read+0x18/0x30 [ 773.492383] Total swap = 0kB [ 773.496427] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 773.499415] 1965979 pages RAM [ 773.503370] ? print_usage_bug+0xc0/0xc0 [ 773.506358] 0 pages HighMem/MovableOnly [ 773.511358] ? __lock_acquire+0x62f/0x4c20 [ 773.514519] 342853 pages reserved [ 773.518569] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 773.522523] 0 pages cma reserved [ 773.526741] ? should_fail+0x22d/0xd01 [ 773.543177] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 773.548463] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 773.552061] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 773.553663] ? __lock_acquire+0x62f/0x4c20 [ 773.563960] kworker/1:0 cpuset=/ mems_allowed=0 [ 773.568189] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 773.577915] ? __lock_acquire+0x62f/0x4c20 [ 773.582142] ? should_fail+0x22d/0xd01 [ 773.586040] ? rcu_irq_exit+0x1a2/0x390 [ 773.590013] ? mark_held_locks+0x130/0x130 [ 773.594248] ? mark_held_locks+0x130/0x130 [ 773.598483] ? mark_held_locks+0xc7/0x130 [ 773.602811] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 773.607819] ? zap_class+0x640/0x640 [ 773.611541] ? print_usage_bug+0xc0/0xc0 [ 773.615608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.621140] ? check_preemption_disabled+0x48/0x280 [ 773.626174] ? __lock_is_held+0xb5/0x140 [ 773.630234] __alloc_pages_nodemask+0xa80/0xde0 [ 773.635120] ? zap_class+0x640/0x640 [ 773.638829] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 773.643845] ? find_held_lock+0x36/0x1c0 [ 773.647917] ? ____cache_alloc_node+0x1c7/0x1e0 [ 773.652614] ? lock_downgrade+0x900/0x900 [ 773.656854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.662859] cache_grow_begin+0xa5/0x8c0 [ 773.666911] ? do_raw_spin_unlock+0xa7/0x330 [ 773.671322] fallback_alloc+0x204/0x2e0 [ 773.675293] ____cache_alloc_node+0x1c7/0x1e0 [ 773.679785] kmem_cache_alloc_node+0xe3/0x730 [ 773.684361] ? ipv6_get_ifaddr+0x42e/0x620 [ 773.688596] __alloc_skb+0x119/0x770 [ 773.692321] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 773.697594] ? netdev_alloc_frag+0x1f0/0x1f0 [ 773.701990] ? lock_downgrade+0x900/0x900 [ 773.706152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.711685] ? refcount_sub_and_test_checked+0x203/0x310 [ 773.717126] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 773.722590] ? addrconf_rs_timer+0x690/0x690 [ 773.727012] ndisc_alloc_skb+0x144/0x340 [ 773.731070] ndisc_send_rs+0x331/0x6e0 [ 773.735229] addrconf_rs_timer+0x314/0x690 [ 773.739465] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 773.743703] call_timer_fn+0x272/0x920 [ 773.747581] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 773.751806] ? process_timeout+0x40/0x40 [ 773.755863] ? mark_held_locks+0xc7/0x130 [ 773.759997] ? _raw_spin_unlock_irq+0x27/0x80 [ 773.764475] ? _raw_spin_unlock_irq+0x27/0x80 [ 773.768969] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 773.773198] ? lockdep_hardirqs_on+0x296/0x5b0 [ 773.777786] ? trace_hardirqs_on+0xbd/0x310 [ 773.782206] ? kasan_check_read+0x11/0x20 [ 773.786449] ? __run_timers+0x7da/0xc70 [ 773.790418] ? trace_hardirqs_off_caller+0x310/0x310 [ 773.795521] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 773.799755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 773.803977] __run_timers+0x7e5/0xc70 [ 773.807775] ? timer_fixup_init+0x70/0x70 [ 773.811918] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 773.816923] ? zap_class+0x640/0x640 [ 773.820627] ? print_usage_bug+0xc0/0xc0 [ 773.824681] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 773.830029] ? find_held_lock+0x36/0x1c0 [ 773.834338] ? zap_class+0x640/0x640 [ 773.838056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.843677] ? check_preemption_disabled+0x48/0x280 [ 773.848696] ? __lock_is_held+0xb5/0x140 [ 773.852761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.858294] ? check_preemption_disabled+0x48/0x280 [ 773.863325] run_timer_softirq+0x52/0xb0 [ 773.867382] ? rcu_read_lock_sched_held+0x14f/0x180 [ 773.872388] __do_softirq+0x308/0xb7e [ 773.876184] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 773.880669] ? lock_downgrade+0x900/0x900 [ 773.884811] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 773.889994] ? pvclock_read_flags+0x160/0x160 [ 773.894480] ? lapic_next_event+0x5a/0x90 [ 773.898620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.904160] ? kvm_clock_read+0x18/0x30 [ 773.908121] ? kvm_sched_clock_read+0x9/0x20 [ 773.912529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.918061] ? check_preemption_disabled+0x48/0x280 [ 773.923182] irq_exit+0x17f/0x1c0 [ 773.926633] smp_apic_timer_interrupt+0x1cb/0x760 [ 773.931464] ? smp_reschedule_interrupt+0x109/0x650 [ 773.936728] ? smp_call_function_single_interrupt+0x650/0x650 [ 773.942607] ? interrupt_entry+0xb5/0xc0 [ 773.946661] ? trace_hardirqs_off_caller+0xbb/0x310 [ 773.951679] ? trace_hardirqs_off_caller+0xbb/0x310 [ 773.957206] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 773.962035] ? trace_hardirqs_on_caller+0x310/0x310 [ 773.967165] ? trace_hardirqs_on_caller+0x310/0x310 [ 773.972179] ? task_prio+0x50/0x50 [ 773.975716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.981245] ? check_preemption_disabled+0x48/0x280 [ 773.986256] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 773.991097] apic_timer_interrupt+0xf/0x20 [ 773.995415] [ 773.997648] RIP: 0010:console_unlock+0x102f/0x1190 [ 774.002569] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 774.021484] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 774.029359] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 774.036781] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 774.044042] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 774.051412] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 774.058689] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 774.065958] ? netconsole_netdev_event+0x280/0x280 [ 774.070896] ? console_unlock+0x1026/0x1190 [ 774.075227] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 774.079889] ? vprintk_emit+0x846/0x990 [ 774.083859] ? lock_release+0xa00/0xa00 [ 774.087822] ? trace_hardirqs_on+0x70/0x310 [ 774.092139] ? vprintk_default+0x28/0x30 [ 774.096194] ? trace_hardirqs_off_caller+0x310/0x310 [ 774.101307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 774.106856] vprintk_emit+0x391/0x990 [ 774.110665] ? wake_up_klogd+0x180/0x180 [ 774.114736] ? find_held_lock+0x11/0x1c0 [ 774.118792] ? mark_held_locks+0xc7/0x130 [ 774.122929] ? _raw_spin_unlock_irq+0x27/0x80 [ 774.127510] ? _raw_spin_unlock_irq+0x27/0x80 [ 774.132010] vprintk_default+0x28/0x30 [ 774.136176] vprintk_func+0x7e/0x181 [ 774.139893] printk+0xa7/0xcf [ 774.142989] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 774.147737] ? _raw_spin_unlock_irq+0x60/0x80 [ 774.152239] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 774.157514] dump_header+0x7cc/0xf72 [ 774.161231] ? pagefault_out_of_memory+0x197/0x197 [ 774.166165] ? __lock_acquire+0x62f/0x4c20 [ 774.170400] ? print_usage_bug+0xc0/0xc0 [ 774.174455] ? zap_class+0x640/0x640 [ 774.178164] ? zap_class+0x640/0x640 [ 774.181875] ? print_usage_bug+0xc0/0xc0 [ 774.185928] ? print_usage_bug+0xc0/0xc0 [ 774.189988] ? find_held_lock+0x36/0x1c0 [ 774.194051] ? mark_held_locks+0xc7/0x130 [ 774.198196] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 774.203287] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 774.208406] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 774.212981] ? trace_hardirqs_on+0xbd/0x310 [ 774.217308] ? kasan_check_read+0x11/0x20 [ 774.221450] ? ___ratelimit+0x3b4/0x672 [ 774.225421] ? trace_hardirqs_off_caller+0x310/0x310 [ 774.230514] ? trace_hardirqs_on+0x310/0x310 [ 774.235215] ? lock_downgrade+0x900/0x900 [ 774.239360] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 774.244474] ? ___ratelimit+0x3b9/0x672 [ 774.248442] ? idr_get_free+0xf70/0xf70 [ 774.252405] ? kasan_check_read+0x11/0x20 [ 774.256539] ? do_raw_spin_unlock+0xa7/0x330 [ 774.260947] oom_kill_process.cold.27+0x10/0x903 [ 774.265694] ? zap_class+0x640/0x640 [ 774.269399] ? _raw_spin_unlock+0x2c/0x50 [ 774.273536] ? oom_badness+0xe6/0xaa0 [ 774.277348] ? oom_evaluate_task+0x540/0x540 [ 774.281752] ? find_held_lock+0x36/0x1c0 [ 774.285809] ? out_of_memory+0x974/0x1430 [ 774.289949] ? lock_downgrade+0x900/0x900 [ 774.294106] ? check_preemption_disabled+0x48/0x280 [ 774.299143] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 774.304063] ? kasan_check_read+0x11/0x20 [ 774.308290] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 774.313558] ? rcu_softirq_qs+0x20/0x20 [ 774.317563] ? kasan_check_write+0x14/0x20 [ 774.321786] ? oom_evaluate_task+0x302/0x540 [ 774.326193] out_of_memory+0xa84/0x1430 [ 774.330177] ? oom_killer_disable+0x3a0/0x3a0 [ 774.334938] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 774.339866] ? __ww_mutex_check_waiters+0x160/0x160 [ 774.344892] __alloc_pages_slowpath+0x2354/0x2e10 [ 774.349778] ? warn_alloc+0x120/0x120 [ 774.353570] ? mark_held_locks+0x130/0x130 [ 774.357802] ? find_get_entry+0xaae/0x1120 [ 774.362052] ? filemap_map_pages+0x1a20/0x1a20 [ 774.366633] ? zap_class+0x640/0x640 [ 774.370346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 774.375877] ? check_preemption_disabled+0x48/0x280 [ 774.380888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 774.386421] ? should_fail+0x22d/0xd01 [ 774.390307] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 774.395405] ? zap_class+0x640/0x640 [ 774.399149] ? __lock_is_held+0xb5/0x140 [ 774.403217] ? mark_held_locks+0x130/0x130 [ 774.407454] ? lock_release+0xa00/0xa00 [ 774.411425] ? perf_trace_sched_process_exec+0x860/0x860 [ 774.416872] ? xa_load+0x2ba/0x460 [ 774.420410] ? lock_downgrade+0x900/0x900 [ 774.424561] ? __might_sleep+0x95/0x190 [ 774.428537] __alloc_pages_nodemask+0xa80/0xde0 [ 774.433205] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 774.438438] ? __page_cache_alloc+0x191/0x5c0 [ 774.442926] ? xa_load+0x2e1/0x460 [ 774.446464] ? xa_clear_mark+0x40/0x40 [ 774.450347] ? zap_class+0x640/0x640 [ 774.454063] ? zap_class+0x640/0x640 [ 774.457767] ? zap_class+0x640/0x640 [ 774.461470] ? __do_page_cache_readahead+0x663/0x810 [ 774.466582] ? find_held_lock+0x36/0x1c0 [ 774.470641] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 774.476178] alloc_pages_current+0x173/0x350 [ 774.480584] __page_cache_alloc+0x38c/0x5c0 [ 774.484899] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 774.489908] ? kasan_check_read+0x11/0x20 [ 774.494046] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 774.499334] ? generic_perform_write+0x6a0/0x6a0 [ 774.504097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 774.509638] ? check_preemption_disabled+0x48/0x280 [ 774.514652] filemap_fault+0x1595/0x25f0 [ 774.518800] ? __lock_page_or_retry+0xa00/0xa00 [ 774.523463] ? mark_held_locks+0x130/0x130 [ 774.527699] ? filemap_map_pages+0xd6b/0x1a20 [ 774.532201] ? lock_downgrade+0x900/0x900 [ 774.536585] ? check_preemption_disabled+0x48/0x280 [ 774.541610] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 774.546533] ? kasan_check_read+0x11/0x20 [ 774.550696] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 774.555967] ? rcu_softirq_qs+0x20/0x20 [ 774.559947] ? filemap_map_pages+0xd92/0x1a20 [ 774.564538] ? find_get_entries_tag+0x1400/0x1400 [ 774.569378] ? futex_wake+0x760/0x760 [ 774.573183] ? lock_acquire+0x1ed/0x520 [ 774.577152] ? ext4_filemap_fault+0x7a/0xad [ 774.581490] ? lock_release+0xa00/0xa00 [ 774.585455] ? perf_trace_sched_process_exec+0x860/0x860 [ 774.590900] ? print_usage_bug+0xc0/0xc0 [ 774.594957] ? print_usage_bug+0xc0/0xc0 [ 774.599047] ? down_read+0x8d/0x120 [ 774.602665] ? ext4_filemap_fault+0x7a/0xad [ 774.606979] ? __down_interruptible+0x700/0x700 [ 774.611651] ext4_filemap_fault+0x82/0xad [ 774.615793] __do_fault+0x100/0x6b0 [ 774.619418] ? pmd_devmap_trans_unstable+0x220/0x220 [ 774.624517] ? mark_held_locks+0x130/0x130 [ 774.628765] ? mark_held_locks+0x130/0x130 [ 774.633000] ? __might_fault+0x12b/0x1e0 [ 774.637337] ? lock_downgrade+0x900/0x900 [ 774.641489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 774.647134] __handle_mm_fault+0x3ea0/0x5be0 [ 774.651552] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 774.656397] ? kasan_check_read+0x11/0x20 [ 774.661006] ? _copy_to_user+0xc8/0x110 [ 774.664983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 774.670525] ? zap_class+0x640/0x640 [ 774.674318] ? zap_class+0x640/0x640 [ 774.678033] ? find_held_lock+0x36/0x1c0 [ 774.682105] ? handle_mm_fault+0x42a/0xc70 [ 774.686353] ? lock_downgrade+0x900/0x900 [ 774.690494] ? check_preemption_disabled+0x48/0x280 [ 774.695507] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 774.700431] ? kasan_check_read+0x11/0x20 [ 774.704571] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 774.709851] ? rcu_softirq_qs+0x20/0x20 [ 774.713837] ? trace_hardirqs_off_caller+0x310/0x310 [ 774.718933] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 774.724466] ? check_preemption_disabled+0x48/0x280 [ 774.729484] handle_mm_fault+0x54f/0xc70 [ 774.733804] ? __handle_mm_fault+0x5be0/0x5be0 [ 774.738386] ? find_vma+0x34/0x190 [ 774.741926] __do_page_fault+0x5e8/0xe60 [ 774.745981] ? trace_hardirqs_off+0xb8/0x310 [ 774.750393] do_page_fault+0xf2/0x7e0 [ 774.754188] ? vmalloc_sync_all+0x30/0x30 [ 774.758331] ? error_entry+0x70/0xd0 [ 774.762038] ? trace_hardirqs_off_caller+0xbb/0x310 [ 774.767045] ? trace_hardirqs_on_caller+0xc0/0x310 [ 774.771969] ? syscall_return_slowpath+0x5e0/0x5e0 [ 774.776892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 774.781813] ? trace_hardirqs_on_caller+0x310/0x310 [ 774.786816] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 774.792983] ? prepare_exit_to_usermode+0x291/0x3b0 [ 774.797990] ? page_fault+0x8/0x30 [ 774.801521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 774.806373] ? page_fault+0x8/0x30 [ 774.809908] page_fault+0x1e/0x30 [ 774.813350] RIP: 0033:0x407e06 [ 774.816546] Code: Bad RIP value. [ 774.819901] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 774.825250] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 774.832513] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 774.840030] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 774.847293] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 774.854555] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 774.861841] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 774.861905] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 774.868761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 774.868779] Workqueue: events_power_efficient neigh_periodic_work [ 774.875325] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 774.884750] Call Trace: [ 774.890958] syz-fuzzer cpuset=/ mems_allowed=0 [ 774.901172] dump_stack+0x244/0x39d [ 774.911936] ? dump_stack_print_info.cold.1+0x20/0x20 [ 774.917138] warn_alloc.cold.116+0xb7/0x1bd [ 774.921469] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 774.926399] ? lock_downgrade+0x900/0x900 [ 774.930551] ? trace_hardirqs_off+0xb8/0x310 [ 774.935406] ? trace_hardirqs_off+0xb8/0x310 [ 774.939902] __alloc_pages_slowpath+0x26e8/0x2e10 [ 774.944767] ? warn_alloc+0x120/0x120 [ 774.948564] ? warn_alloc+0x120/0x120 [ 774.952358] ? check_preemption_disabled+0x48/0x280 [ 774.957373] ? warn_alloc+0x120/0x120 [ 774.961180] ? zap_class+0x640/0x640 [ 774.964889] ? print_usage_bug+0xc0/0xc0 [ 774.968953] ? print_usage_bug+0xc0/0xc0 [ 774.973009] ? __lock_acquire+0x62f/0x4c20 [ 774.977255] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 774.982787] ? should_fail+0x22d/0xd01 [ 774.986675] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 774.991777] ? __lock_acquire+0x62f/0x4c20 [ 774.996135] ? __lock_acquire+0x62f/0x4c20 [ 775.000357] ? should_fail+0x22d/0xd01 [ 775.004248] ? mark_held_locks+0x130/0x130 [ 775.008495] ? mark_held_locks+0x130/0x130 [ 775.012742] ? pick_next_task_fair+0xa05/0x1b30 [ 775.017403] ? rcu_read_lock_sched_held+0x14f/0x180 [ 775.022427] ? zap_class+0x640/0x640 [ 775.026226] ? zap_class+0x640/0x640 [ 775.029942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 775.035921] ? check_preemption_disabled+0x48/0x280 [ 775.040936] ? __lock_is_held+0xb5/0x140 [ 775.045005] __alloc_pages_nodemask+0xa80/0xde0 [ 775.049668] ? zap_class+0x640/0x640 [ 775.053376] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 775.058393] ? find_held_lock+0x36/0x1c0 [ 775.062456] ? ____cache_alloc_node+0x1c7/0x1e0 [ 775.067121] ? lock_downgrade+0x900/0x900 [ 775.071269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 775.076807] cache_grow_begin+0xa5/0x8c0 [ 775.080861] ? do_raw_spin_unlock+0xa7/0x330 [ 775.085271] fallback_alloc+0x204/0x2e0 [ 775.089340] ____cache_alloc_node+0x1c7/0x1e0 [ 775.093847] kmem_cache_alloc_node+0xe3/0x730 [ 775.098343] ? zap_class+0x640/0x640 [ 775.102049] ? __sched_text_start+0x8/0x8 [ 775.106200] __alloc_skb+0x119/0x770 [ 775.109904] ? zap_class+0x640/0x640 [ 775.113616] ? netdev_alloc_frag+0x1f0/0x1f0 [ 775.118025] ? neigh_periodic_work+0x8ca/0xc60 [ 775.122614] ? lock_downgrade+0x900/0x900 [ 775.126884] ? kasan_check_read+0x11/0x20 [ 775.131029] ? do_raw_write_lock+0x14f/0x310 [ 775.135924] __neigh_notify+0x8c/0x160 [ 775.139900] neigh_cleanup_and_release+0x7b/0xe0 [ 775.144746] neigh_periodic_work+0x8d2/0xc60 [ 775.149160] ? neigh_table_clear+0x390/0x390 [ 775.153566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 775.159110] ? check_preemption_disabled+0x48/0x280 [ 775.164139] ? __lock_is_held+0xb5/0x140 [ 775.168207] process_one_work+0xc90/0x1c40 [ 775.172450] ? mark_held_locks+0x130/0x130 [ 775.176689] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 775.181353] ? __switch_to_asm+0x40/0x70 [ 775.185554] ? __switch_to_asm+0x40/0x70 [ 775.189613] ? __switch_to_asm+0x34/0x70 [ 775.193680] ? __switch_to_asm+0x40/0x70 [ 775.197732] ? __switch_to_asm+0x34/0x70 [ 775.201798] ? __switch_to_asm+0x40/0x70 [ 775.205872] ? __switch_to_asm+0x34/0x70 [ 775.209937] ? __switch_to_asm+0x40/0x70 [ 775.214000] ? __schedule+0x8d7/0x21d0 [ 775.217879] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 775.222466] ? zap_class+0x640/0x640 [ 775.226193] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 775.230950] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 775.235844] ? lock_acquire+0x1ed/0x520 [ 775.239812] ? worker_thread+0x3e0/0x1390 [ 775.243965] ? kasan_check_read+0x11/0x20 [ 775.248109] ? do_raw_spin_lock+0x14f/0x350 [ 775.252425] ? kasan_check_read+0x11/0x20 [ 775.256572] ? rwlock_bug.part.2+0x90/0x90 [ 775.260804] ? trace_hardirqs_on+0x310/0x310 [ 775.265219] worker_thread+0x17f/0x1390 [ 775.269186] ? __switch_to_asm+0x34/0x70 [ 775.273248] ? process_one_work+0x1c40/0x1c40 [ 775.277850] ? __sched_text_start+0x8/0x8 [ 775.282013] ? __kthread_parkme+0xce/0x1a0 [ 775.286245] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 775.291346] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 775.296445] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 775.301023] ? trace_hardirqs_on+0xbd/0x310 [ 775.305346] ? kasan_check_read+0x11/0x20 [ 775.309484] ? __kthread_parkme+0xce/0x1a0 [ 775.313733] ? trace_hardirqs_off_caller+0x310/0x310 [ 775.318842] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 775.323940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 775.329472] ? __kthread_parkme+0xfb/0x1a0 [ 775.334197] ? process_one_work+0x1c40/0x1c40 [ 775.338688] kthread+0x35a/0x440 [ 775.342048] ? kthread_stop+0x900/0x900 [ 775.346018] ret_from_fork+0x3a/0x50 [ 775.349736] warn_alloc_show_mem: 1 callbacks suppressed [ 775.349745] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 775.349747] Mem-Info: [ 775.349778] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 775.349778] active_file:32 inactive_file:0 isolated_file:0 [ 775.349778] unevictable:0 dirty:0 writeback:0 unstable:0 [ 775.349778] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 775.349778] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 775.349778] free:13730 free_pcp:227 free_cma:0 [ 775.355120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 775.362124] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 775.362131] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 775.364559] Call Trace: [ 775.397584] lowmem_reserve[]: 0 2818 6321 6321 [ 775.406955] [ 775.435298] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 775.461489] dump_stack+0x244/0x39d [ 775.464037] lowmem_reserve[]: 0 0 3503 3503 [ 775.468613] ? dump_stack_print_info.cold.1+0x20/0x20 [ 775.470733] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 775.498227] warn_alloc.cold.116+0xb7/0x1bd [ 775.501815] lowmem_reserve[]: 0 0 0 0 [ 775.506129] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 775.511288] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 775.540561] ? lock_downgrade+0x900/0x900 [ 775.544852] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 775.548643] ? trace_hardirqs_off+0xb8/0x310 [ 775.553445] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 775.566964] ? trace_hardirqs_off+0xb8/0x310 [ 775.571092] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 775.585815] __alloc_pages_slowpath+0x26e8/0x2e10 [ 775.590211] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 775.604343] ? warn_alloc+0x120/0x120 [ 775.608700] 6658 total pagecache pages [ 775.617520] ? print_usage_bug+0xc0/0xc0 [ 775.622341] 0 pages in swap cache [ 775.630984] ? warn_alloc+0x120/0x120 [ 775.635501] Swap cache stats: add 0, delete 0, find 0/0 [ 775.639370] ? warn_alloc+0x120/0x120 [ 775.643412] Free swap = 0kB [ 775.646851] ? print_usage_bug+0xc0/0xc0 [ 775.650621] Total swap = 0kB [ 775.655968] ? kvm_clock_read+0x18/0x30 [ 775.659739] 1965979 pages RAM [ 775.662747] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 775.666777] 0 pages HighMem/MovableOnly [ 775.669781] ? print_usage_bug+0xc0/0xc0 [ 775.673722] 342853 pages reserved [ 775.676831] ? __lock_acquire+0x62f/0x4c20 [ 775.681816] 0 pages cma reserved [ 775.685806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 775.706385] ? should_fail+0x22d/0xd01 [ 775.710267] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 775.711059] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 775.715632] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 775.726298] syz-executor0 cpuset=syz0 mems_allowed=0 [ 775.731389] ? __lock_acquire+0x62f/0x4c20 [ 775.741663] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 775.746759] ? __lock_acquire+0x62f/0x4c20 [ 775.750989] ? should_fail+0x22d/0xd01 [ 775.754864] ? rcu_irq_exit+0x1a2/0x390 [ 775.758843] ? mark_held_locks+0x130/0x130 [ 775.763081] ? mark_held_locks+0x130/0x130 [ 775.767321] ? mark_held_locks+0xc7/0x130 [ 775.771459] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 775.776464] ? zap_class+0x640/0x640 [ 775.780172] ? print_usage_bug+0xc0/0xc0 [ 775.784247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 775.789865] ? check_preemption_disabled+0x48/0x280 [ 775.794881] ? __lock_is_held+0xb5/0x140 [ 775.798942] __alloc_pages_nodemask+0xa80/0xde0 [ 775.803604] ? zap_class+0x640/0x640 [ 775.807315] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 775.812336] ? find_held_lock+0x36/0x1c0 [ 775.816397] ? ____cache_alloc_node+0x1c7/0x1e0 [ 775.821062] ? lock_downgrade+0x900/0x900 [ 775.825222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 775.830902] cache_grow_begin+0xa5/0x8c0 [ 775.835201] ? do_raw_spin_unlock+0xa7/0x330 [ 775.839615] fallback_alloc+0x204/0x2e0 [ 775.843605] ____cache_alloc_node+0x1c7/0x1e0 [ 775.848133] kmem_cache_alloc_node+0xe3/0x730 [ 775.852622] ? ipv6_get_ifaddr+0x42e/0x620 [ 775.856860] __alloc_skb+0x119/0x770 [ 775.860566] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 775.865849] ? netdev_alloc_frag+0x1f0/0x1f0 [ 775.870250] ? lock_downgrade+0x900/0x900 [ 775.874398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 775.879928] ? refcount_sub_and_test_checked+0x203/0x310 [ 775.885382] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 775.890824] ? addrconf_rs_timer+0x690/0x690 [ 775.895250] ndisc_alloc_skb+0x144/0x340 [ 775.899312] ndisc_send_rs+0x331/0x6e0 [ 775.903198] addrconf_rs_timer+0x314/0x690 [ 775.907431] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 775.911681] call_timer_fn+0x272/0x920 [ 775.915567] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 775.919796] ? process_timeout+0x40/0x40 [ 775.923861] ? mark_held_locks+0xc7/0x130 [ 775.928006] ? _raw_spin_unlock_irq+0x27/0x80 [ 775.932495] ? _raw_spin_unlock_irq+0x27/0x80 [ 775.937277] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 775.941506] ? lockdep_hardirqs_on+0x296/0x5b0 [ 775.946095] ? trace_hardirqs_on+0xbd/0x310 [ 775.950410] ? kasan_check_read+0x11/0x20 [ 775.954566] ? __run_timers+0x7da/0xc70 [ 775.958548] ? trace_hardirqs_off_caller+0x310/0x310 [ 775.963652] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 775.967886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 775.972111] __run_timers+0x7e5/0xc70 [ 775.975917] ? timer_fixup_init+0x70/0x70 [ 775.980069] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 775.985094] ? zap_class+0x640/0x640 [ 775.988805] ? print_usage_bug+0xc0/0xc0 [ 775.992881] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 775.998082] ? find_held_lock+0x36/0x1c0 [ 776.002145] ? zap_class+0x640/0x640 [ 776.005857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 776.011406] ? check_preemption_disabled+0x48/0x280 [ 776.016510] ? __lock_is_held+0xb5/0x140 [ 776.020569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 776.026107] ? check_preemption_disabled+0x48/0x280 [ 776.031126] run_timer_softirq+0x52/0xb0 [ 776.035462] ? rcu_read_lock_sched_held+0x14f/0x180 [ 776.040476] __do_softirq+0x308/0xb7e [ 776.044272] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 776.048786] ? lock_downgrade+0x900/0x900 [ 776.052930] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 776.058034] ? pvclock_read_flags+0x160/0x160 [ 776.062545] ? lapic_next_event+0x5a/0x90 [ 776.066689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 776.072227] ? kvm_clock_read+0x18/0x30 [ 776.076190] ? kvm_sched_clock_read+0x9/0x20 [ 776.080594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 776.086126] ? check_preemption_disabled+0x48/0x280 [ 776.091136] irq_exit+0x17f/0x1c0 [ 776.094590] smp_apic_timer_interrupt+0x1cb/0x760 [ 776.099433] ? smp_reschedule_interrupt+0x109/0x650 [ 776.104439] ? smp_call_function_single_interrupt+0x650/0x650 [ 776.110431] ? interrupt_entry+0xb5/0xc0 [ 776.114503] ? trace_hardirqs_off_caller+0xbb/0x310 [ 776.119508] ? trace_hardirqs_off_caller+0xbb/0x310 [ 776.124517] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 776.129366] ? trace_hardirqs_on_caller+0x310/0x310 [ 776.134662] ? trace_hardirqs_on_caller+0x310/0x310 [ 776.139676] ? task_prio+0x50/0x50 [ 776.143216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 776.148747] ? check_preemption_disabled+0x48/0x280 [ 776.153763] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 776.158606] apic_timer_interrupt+0xf/0x20 [ 776.162917] [ 776.165151] RIP: 0010:console_unlock+0x102f/0x1190 [ 776.170088] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 776.189418] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 776.197116] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 776.204378] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 776.211672] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 776.218935] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 776.226198] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 776.233579] ? netconsole_netdev_event+0x280/0x280 [ 776.238625] ? console_unlock+0x1026/0x1190 [ 776.242963] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 776.247623] ? vprintk_emit+0x846/0x990 [ 776.251800] ? lock_release+0xa00/0xa00 [ 776.255772] ? trace_hardirqs_on+0x70/0x310 [ 776.260087] ? vprintk_default+0x28/0x30 [ 776.264153] ? trace_hardirqs_off_caller+0x310/0x310 [ 776.269254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 776.274793] vprintk_emit+0x391/0x990 [ 776.278600] ? wake_up_klogd+0x180/0x180 [ 776.282657] ? find_held_lock+0x11/0x1c0 [ 776.286807] ? mark_held_locks+0xc7/0x130 [ 776.290944] ? _raw_spin_unlock_irq+0x27/0x80 [ 776.295432] ? _raw_spin_unlock_irq+0x27/0x80 [ 776.299925] vprintk_default+0x28/0x30 [ 776.303807] vprintk_func+0x7e/0x181 [ 776.307510] printk+0xa7/0xcf [ 776.310604] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 776.315351] ? _raw_spin_unlock_irq+0x60/0x80 [ 776.319851] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 776.325129] dump_header+0x7cc/0xf72 [ 776.328844] ? pagefault_out_of_memory+0x197/0x197 [ 776.333772] ? __lock_acquire+0x62f/0x4c20 [ 776.338023] ? print_usage_bug+0xc0/0xc0 [ 776.342121] ? zap_class+0x640/0x640 [ 776.345823] ? zap_class+0x640/0x640 [ 776.349530] ? print_usage_bug+0xc0/0xc0 [ 776.353879] ? print_usage_bug+0xc0/0xc0 [ 776.357935] ? find_held_lock+0x36/0x1c0 [ 776.361989] ? mark_held_locks+0xc7/0x130 [ 776.366126] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 776.371247] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 776.376343] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 776.380921] ? trace_hardirqs_on+0xbd/0x310 [ 776.385237] ? kasan_check_read+0x11/0x20 [ 776.389376] ? ___ratelimit+0x3b4/0x672 [ 776.393345] ? trace_hardirqs_off_caller+0x310/0x310 [ 776.398448] ? trace_hardirqs_on+0x310/0x310 [ 776.402851] ? lock_downgrade+0x900/0x900 [ 776.406994] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 776.412093] ? ___ratelimit+0x3b9/0x672 [ 776.416071] ? idr_get_free+0xf70/0xf70 [ 776.420036] ? kasan_check_read+0x11/0x20 [ 776.424182] ? do_raw_spin_unlock+0xa7/0x330 [ 776.428591] oom_kill_process.cold.27+0x10/0x903 [ 776.433438] ? zap_class+0x640/0x640 [ 776.437141] ? _raw_spin_unlock+0x2c/0x50 [ 776.441302] ? oom_badness+0xe6/0xaa0 [ 776.445101] ? oom_evaluate_task+0x540/0x540 [ 776.449503] ? find_held_lock+0x36/0x1c0 [ 776.453809] ? out_of_memory+0x974/0x1430 [ 776.458039] ? lock_downgrade+0x900/0x900 [ 776.462192] ? check_preemption_disabled+0x48/0x280 [ 776.467208] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 776.472131] ? kasan_check_read+0x11/0x20 [ 776.476272] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 776.481541] ? rcu_softirq_qs+0x20/0x20 [ 776.485523] ? kasan_check_write+0x14/0x20 [ 776.489748] ? oom_evaluate_task+0x302/0x540 [ 776.494155] out_of_memory+0xa84/0x1430 [ 776.498131] ? oom_killer_disable+0x3a0/0x3a0 [ 776.502620] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 776.507543] ? __ww_mutex_check_waiters+0x160/0x160 [ 776.512562] __alloc_pages_slowpath+0x2354/0x2e10 [ 776.517428] ? warn_alloc+0x120/0x120 [ 776.521219] ? mark_held_locks+0x130/0x130 [ 776.525455] ? find_get_entry+0xaae/0x1120 [ 776.529707] ? filemap_map_pages+0x1a20/0x1a20 [ 776.534285] ? zap_class+0x640/0x640 [ 776.537997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 776.543528] ? check_preemption_disabled+0x48/0x280 [ 776.548535] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 776.554381] ? should_fail+0x22d/0xd01 [ 776.558267] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 776.563382] ? zap_class+0x640/0x640 [ 776.567133] ? __lock_is_held+0xb5/0x140 [ 776.571194] ? mark_held_locks+0x130/0x130 [ 776.575423] ? lock_release+0xa00/0xa00 [ 776.579402] ? perf_trace_sched_process_exec+0x860/0x860 [ 776.584946] ? xa_load+0x2ba/0x460 [ 776.588482] ? lock_downgrade+0x900/0x900 [ 776.592641] ? __might_sleep+0x95/0x190 [ 776.596613] __alloc_pages_nodemask+0xa80/0xde0 [ 776.601282] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 776.606293] ? __page_cache_alloc+0x191/0x5c0 [ 776.610784] ? xa_load+0x2e1/0x460 [ 776.614319] ? xa_clear_mark+0x40/0x40 [ 776.618202] ? zap_class+0x640/0x640 [ 776.621920] ? zap_class+0x640/0x640 [ 776.625629] ? zap_class+0x640/0x640 [ 776.629336] ? __do_page_cache_readahead+0x663/0x810 [ 776.634440] ? find_held_lock+0x36/0x1c0 [ 776.638501] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 776.644071] alloc_pages_current+0x173/0x350 [ 776.648481] __page_cache_alloc+0x38c/0x5c0 [ 776.653030] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 776.657964] ? kasan_check_read+0x11/0x20 [ 776.662598] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 776.667872] ? generic_perform_write+0x6a0/0x6a0 [ 776.672624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 776.678158] ? check_preemption_disabled+0x48/0x280 [ 776.683182] filemap_fault+0x1595/0x25f0 [ 776.687249] ? __lock_page_or_retry+0xa00/0xa00 [ 776.691918] ? mark_held_locks+0x130/0x130 [ 776.696153] ? filemap_map_pages+0xd6b/0x1a20 [ 776.700644] ? lock_downgrade+0x900/0x900 [ 776.704789] ? check_preemption_disabled+0x48/0x280 [ 776.709801] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 776.714725] ? kasan_check_read+0x11/0x20 [ 776.718862] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 776.724129] ? rcu_softirq_qs+0x20/0x20 [ 776.728113] ? filemap_map_pages+0xd92/0x1a20 [ 776.732612] ? find_get_entries_tag+0x1400/0x1400 [ 776.737448] ? futex_wake+0x760/0x760 [ 776.741251] ? lock_acquire+0x1ed/0x520 [ 776.745212] ? ext4_filemap_fault+0x7a/0xad [ 776.749528] ? lock_release+0xa00/0xa00 [ 776.753760] ? perf_trace_sched_process_exec+0x860/0x860 [ 776.759212] ? print_usage_bug+0xc0/0xc0 [ 776.763268] ? print_usage_bug+0xc0/0xc0 [ 776.767338] ? down_read+0x8d/0x120 [ 776.770980] ? ext4_filemap_fault+0x7a/0xad [ 776.775296] ? __down_interruptible+0x700/0x700 [ 776.779974] ext4_filemap_fault+0x82/0xad [ 776.784128] __do_fault+0x100/0x6b0 [ 776.787750] ? pmd_devmap_trans_unstable+0x220/0x220 [ 776.793515] ? mark_held_locks+0x130/0x130 [ 776.797743] ? mark_held_locks+0x130/0x130 [ 776.801988] ? __might_fault+0x12b/0x1e0 [ 776.806078] ? lock_downgrade+0x900/0x900 [ 776.810228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 776.815761] __handle_mm_fault+0x3ea0/0x5be0 [ 776.820175] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 776.825017] ? kasan_check_read+0x11/0x20 [ 776.829167] ? _copy_to_user+0xc8/0x110 [ 776.833140] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 776.838680] ? zap_class+0x640/0x640 [ 776.842385] ? zap_class+0x640/0x640 [ 776.846098] ? find_held_lock+0x36/0x1c0 [ 776.850160] ? handle_mm_fault+0x42a/0xc70 [ 776.854647] ? lock_downgrade+0x900/0x900 [ 776.858790] ? check_preemption_disabled+0x48/0x280 [ 776.863801] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 776.868734] ? kasan_check_read+0x11/0x20 [ 776.872893] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 776.878163] ? rcu_softirq_qs+0x20/0x20 [ 776.882220] ? trace_hardirqs_off_caller+0x310/0x310 [ 776.887320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 776.892853] ? check_preemption_disabled+0x48/0x280 [ 776.897869] handle_mm_fault+0x54f/0xc70 [ 776.901925] ? __handle_mm_fault+0x5be0/0x5be0 [ 776.906508] ? find_vma+0x34/0x190 [ 776.910057] __do_page_fault+0x5e8/0xe60 [ 776.914125] ? trace_hardirqs_off+0xb8/0x310 [ 776.918534] do_page_fault+0xf2/0x7e0 [ 776.922330] ? vmalloc_sync_all+0x30/0x30 [ 776.926487] ? error_entry+0x70/0xd0 [ 776.930211] ? trace_hardirqs_off_caller+0xbb/0x310 [ 776.935218] ? trace_hardirqs_on_caller+0xc0/0x310 [ 776.940140] ? syscall_return_slowpath+0x5e0/0x5e0 [ 776.945073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 776.949911] ? trace_hardirqs_on_caller+0x310/0x310 [ 776.955138] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 776.960590] ? prepare_exit_to_usermode+0x291/0x3b0 [ 776.965598] ? page_fault+0x8/0x30 [ 776.969130] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 776.974064] ? page_fault+0x8/0x30 [ 776.977599] page_fault+0x1e/0x30 [ 776.981054] RIP: 0033:0x407e06 [ 776.984254] Code: Bad RIP value. [ 776.987607] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 776.992965] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 777.000334] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 777.007615] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 777.014880] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 777.022143] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 777.029433] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 777.029496] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 777.036708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 777.036713] Call Trace: [ 777.036731] dump_stack+0x244/0x39d [ 777.036753] ? dump_stack_print_info.cold.1+0x20/0x20 [ 777.043313] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 777.053075] warn_alloc.cold.116+0xb7/0x1bd [ 777.055627] syz-fuzzer cpuset=/ mems_allowed=0 [ 777.059241] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 777.088312] ? lock_downgrade+0x900/0x900 [ 777.092469] ? trace_hardirqs_off+0xb8/0x310 [ 777.096878] ? trace_hardirqs_off+0xb8/0x310 [ 777.101290] __alloc_pages_slowpath+0x26e8/0x2e10 [ 777.106154] ? warn_alloc+0x120/0x120 [ 777.109951] ? zap_class+0x640/0x640 [ 777.113660] ? warn_alloc+0x120/0x120 [ 777.117476] ? warn_alloc+0x120/0x120 [ 777.121275] ? print_usage_bug+0xc0/0xc0 [ 777.125338] ? print_usage_bug+0xc0/0xc0 [ 777.129398] ? cpuacct_charge+0x265/0x440 [ 777.133554] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 777.139083] ? should_fail+0x22d/0xd01 [ 777.142958] ? find_held_lock+0x36/0x1c0 [ 777.147013] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 777.152418] ? __lock_acquire+0x62f/0x4c20 [ 777.156677] ? should_fail+0x22d/0xd01 [ 777.160566] ? __update_load_avg_blocked_se+0x690/0x690 [ 777.165935] ? mark_held_locks+0x130/0x130 [ 777.170174] ? mark_held_locks+0x130/0x130 [ 777.174403] ? __lock_acquire+0x62f/0x4c20 [ 777.178632] ? update_load_avg+0x387/0x2470 [ 777.182954] ? zap_class+0x640/0x640 [ 777.186679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 777.192210] ? check_preemption_disabled+0x48/0x280 [ 777.197232] ? __lock_is_held+0xb5/0x140 [ 777.201293] __alloc_pages_nodemask+0xa80/0xde0 [ 777.205958] ? zap_class+0x640/0x640 [ 777.209671] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 777.214698] ? find_held_lock+0x36/0x1c0 [ 777.218764] ? ____cache_alloc_node+0x1c7/0x1e0 [ 777.223445] ? lock_downgrade+0x900/0x900 [ 777.227608] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 777.233145] cache_grow_begin+0xa5/0x8c0 [ 777.237199] ? do_raw_spin_unlock+0xa7/0x330 [ 777.241609] fallback_alloc+0x204/0x2e0 [ 777.245584] ____cache_alloc_node+0x1c7/0x1e0 [ 777.251061] kmem_cache_alloc+0x1f8/0x730 [ 777.255222] skb_clone+0x1bb/0x500 [ 777.258761] ? finish_task_switch+0x1b4/0x910 [ 777.263252] ? skb_split+0x11e0/0x11e0 [ 777.267136] ? preempt_notifier_register+0x200/0x200 [ 777.272231] ? __switch_to_asm+0x34/0x70 [ 777.276418] ? __switch_to_asm+0x34/0x70 [ 777.280475] ? __switch_to_asm+0x40/0x70 [ 777.284526] ? __switch_to_asm+0x34/0x70 [ 777.288582] ? __switch_to_asm+0x40/0x70 [ 777.292637] ? __switch_to_asm+0x34/0x70 [ 777.296689] ? __switch_to_asm+0x40/0x70 [ 777.300748] ? __switch_to_asm+0x34/0x70 [ 777.304801] ? __switch_to_asm+0x34/0x70 [ 777.308850] ? __switch_to_asm+0x40/0x70 [ 777.312903] ? __switch_to_asm+0x34/0x70 [ 777.316968] bpf_clone_redirect+0xb9/0x490 [ 777.321200] ? __schedule+0x8d7/0x21d0 [ 777.325096] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 777.330116] ? __sched_text_start+0x8/0x8 [ 777.334260] ? retint_kernel+0x2d/0x2d [ 777.338158] ? find_held_lock+0x36/0x1c0 [ 777.342220] ? lock_acquire+0x1ed/0x520 [ 777.346184] ? bpf_test_run+0x3cb/0x780 [ 777.350570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 777.356103] ? check_preemption_disabled+0x48/0x280 [ 777.361123] ? kasan_check_read+0x11/0x20 [ 777.365265] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 777.370540] ? rcu_softirq_qs+0x20/0x20 [ 777.374506] ? preempt_schedule+0x4d/0x60 [ 777.378656] ? ___preempt_schedule+0x16/0x18 [ 777.383070] ? bpf_test_run+0x25d/0x780 [ 777.387057] ? netlink_diag_dump+0x2a0/0x2a0 [ 777.391466] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 777.396999] ? bpf_test_init.isra.10+0x70/0x100 [ 777.401671] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 777.406426] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 777.411264] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 777.416800] ? fput+0x130/0x1a0 [ 777.420077] ? __bpf_prog_get+0x9b/0x290 [ 777.424138] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 777.428974] ? bpf_prog_test_run+0x130/0x1a0 [ 777.433380] ? __x64_sys_bpf+0x3db/0x520 [ 777.437504] ? bpf_prog_get+0x20/0x20 [ 777.441327] ? do_syscall_64+0x1b9/0x820 [ 777.445380] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 777.451203] ? syscall_return_slowpath+0x5e0/0x5e0 [ 777.456130] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 777.460989] ? trace_hardirqs_on_caller+0x310/0x310 [ 777.466006] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 777.471031] ? prepare_exit_to_usermode+0x291/0x3b0 [ 777.476050] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 777.480893] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 777.486268] warn_alloc_show_mem: 1 callbacks suppressed [ 777.486279] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 777.486280] Mem-Info: [ 777.486312] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 777.486312] active_file:32 inactive_file:0 isolated_file:0 [ 777.486312] unevictable:0 dirty:0 writeback:0 unstable:0 [ 777.486312] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 777.486312] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 777.486312] free:13730 free_pcp:227 free_cma:0 [ 777.491649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 777.498747] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 777.501137] Call Trace: [ 777.534164] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 777.543540] [ 777.571829] lowmem_reserve[]: 0 2818 6321 6321 [ 777.574417] dump_stack+0x244/0x39d [ 777.600491] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 777.602737] ? dump_stack_print_info.cold.1+0x20/0x20 [ 777.607284] lowmem_reserve[]: 0 0 3503 3503 [ 777.610996] warn_alloc.cold.116+0xb7/0x1bd [ 777.638575] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 777.643753] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 777.648041] lowmem_reserve[]: 0 0 0 0 [ 777.652690] ? lock_downgrade+0x900/0x900 [ 777.681721] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 777.686588] ? trace_hardirqs_off+0xb8/0x310 [ 777.690349] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 777.694511] ? trace_hardirqs_off+0xb8/0x310 [ 777.708012] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 777.712434] __alloc_pages_slowpath+0x26e8/0x2e10 [ 777.727143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 777.731567] ? warn_alloc+0x120/0x120 [ 777.745653] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 777.750742] ? print_usage_bug+0xc0/0xc0 [ 777.750751] ? warn_alloc+0x120/0x120 [ 777.750762] ? warn_alloc+0x120/0x120 [ 777.750770] ? print_usage_bug+0xc0/0xc0 [ 777.750780] ? kvm_clock_read+0x18/0x30 [ 777.750790] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 777.750798] ? print_usage_bug+0xc0/0xc0 [ 777.750807] ? __lock_acquire+0x62f/0x4c20 [ 777.750818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 777.750829] ? should_fail+0x22d/0xd01 [ 777.750837] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 777.750847] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 777.750855] ? __lock_acquire+0x62f/0x4c20 [ 777.750866] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 777.750873] ? __lock_acquire+0x62f/0x4c20 [ 777.750880] ? should_fail+0x22d/0xd01 [ 777.750886] ? rcu_irq_exit+0x1a2/0x390 [ 777.750899] ? mark_held_locks+0x130/0x130 [ 777.750910] ? mark_held_locks+0x130/0x130 [ 777.750921] ? mark_held_locks+0xc7/0x130 [ 777.750930] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 777.750938] ? zap_class+0x640/0x640 [ 777.750946] ? print_usage_bug+0xc0/0xc0 [ 777.750956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 777.750965] ? check_preemption_disabled+0x48/0x280 [ 777.750978] ? __lock_is_held+0xb5/0x140 [ 777.750989] __alloc_pages_nodemask+0xa80/0xde0 [ 777.750997] ? zap_class+0x640/0x640 [ 777.751031] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 777.759838] 6658 total pagecache pages [ 777.763634] ? find_held_lock+0x36/0x1c0 [ 777.772183] 0 pages in swap cache [ 777.776242] ? ____cache_alloc_node+0x1c7/0x1e0 [ 777.780032] Swap cache stats: add 0, delete 0, find 0/0 [ 777.783812] ? lock_downgrade+0x900/0x900 [ 777.787843] Free swap = 0kB [ 777.791808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 777.796792] Total swap = 0kB [ 777.800867] cache_grow_begin+0xa5/0x8c0 [ 777.805071] 1965979 pages RAM [ 777.810594] ? do_raw_spin_unlock+0xa7/0x330 [ 777.814454] 0 pages HighMem/MovableOnly [ 777.819722] fallback_alloc+0x204/0x2e0 [ 777.824790] 342853 pages reserved [ 777.829231] ____cache_alloc_node+0x1c7/0x1e0 [ 777.834320] 0 pages cma reserved [ 777.838546] kmem_cache_alloc_node+0xe3/0x730 [ 777.864738] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 777.867966] ? ipv6_get_ifaddr+0x42e/0x620 [ 777.872030] kworker/1:0 cpuset=/ mems_allowed=0 [ 777.877560] __alloc_skb+0x119/0x770 [ 777.995543] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 778.000829] ? netdev_alloc_frag+0x1f0/0x1f0 [ 778.005233] ? lock_downgrade+0x900/0x900 [ 778.009397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 778.014944] ? refcount_sub_and_test_checked+0x203/0x310 [ 778.020605] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 778.026052] ? addrconf_rs_timer+0x690/0x690 [ 778.030552] ndisc_alloc_skb+0x144/0x340 [ 778.034624] ndisc_send_rs+0x331/0x6e0 [ 778.038514] addrconf_rs_timer+0x314/0x690 [ 778.042750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 778.047089] call_timer_fn+0x272/0x920 [ 778.051198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 778.055428] ? process_timeout+0x40/0x40 [ 778.059508] ? mark_held_locks+0xc7/0x130 [ 778.063647] ? _raw_spin_unlock_irq+0x27/0x80 [ 778.068226] ? _raw_spin_unlock_irq+0x27/0x80 [ 778.072720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 778.076941] ? lockdep_hardirqs_on+0x296/0x5b0 [ 778.081516] ? trace_hardirqs_on+0xbd/0x310 [ 778.085831] ? kasan_check_read+0x11/0x20 [ 778.089972] ? __run_timers+0x7da/0xc70 [ 778.093943] ? trace_hardirqs_off_caller+0x310/0x310 [ 778.099069] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 778.103295] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 778.107519] __run_timers+0x7e5/0xc70 [ 778.111326] ? timer_fixup_init+0x70/0x70 [ 778.115467] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 778.120474] ? zap_class+0x640/0x640 [ 778.124189] ? print_usage_bug+0xc0/0xc0 [ 778.128245] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 778.133434] ? find_held_lock+0x36/0x1c0 [ 778.137492] ? zap_class+0x640/0x640 [ 778.141217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 778.146749] ? check_preemption_disabled+0x48/0x280 [ 778.152015] ? __lock_is_held+0xb5/0x140 [ 778.156074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 778.161605] ? check_preemption_disabled+0x48/0x280 [ 778.166619] run_timer_softirq+0x52/0xb0 [ 778.170674] ? rcu_read_lock_sched_held+0x14f/0x180 [ 778.175685] __do_softirq+0x308/0xb7e [ 778.179481] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 778.183964] ? lock_downgrade+0x900/0x900 [ 778.188119] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 778.193219] ? pvclock_read_flags+0x160/0x160 [ 778.197799] ? lapic_next_event+0x5a/0x90 [ 778.201937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 778.207471] ? kvm_clock_read+0x18/0x30 [ 778.211437] ? kvm_sched_clock_read+0x9/0x20 [ 778.215840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 778.221372] ? check_preemption_disabled+0x48/0x280 [ 778.226398] irq_exit+0x17f/0x1c0 [ 778.229848] smp_apic_timer_interrupt+0x1cb/0x760 [ 778.234705] ? smp_reschedule_interrupt+0x109/0x650 [ 778.239719] ? smp_call_function_single_interrupt+0x650/0x650 [ 778.245590] ? interrupt_entry+0xb5/0xc0 [ 778.249646] ? trace_hardirqs_off_caller+0xbb/0x310 [ 778.254939] ? trace_hardirqs_off_caller+0xbb/0x310 [ 778.259961] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 778.264831] ? trace_hardirqs_on_caller+0x310/0x310 [ 778.269836] ? trace_hardirqs_on_caller+0x310/0x310 [ 778.274843] ? task_prio+0x50/0x50 [ 778.278375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 778.283908] ? check_preemption_disabled+0x48/0x280 [ 778.288921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 778.293766] apic_timer_interrupt+0xf/0x20 [ 778.297994] [ 778.300229] RIP: 0010:console_unlock+0x102f/0x1190 [ 778.305148] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 778.324035] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 778.331733] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 778.339000] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 778.346262] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 778.353745] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 778.361018] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 778.368291] ? netconsole_netdev_event+0x280/0x280 [ 778.373229] ? console_unlock+0x1026/0x1190 [ 778.377575] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 778.382235] ? vprintk_emit+0x846/0x990 [ 778.386206] ? lock_release+0xa00/0xa00 [ 778.390177] ? trace_hardirqs_on+0x70/0x310 [ 778.394490] ? vprintk_default+0x28/0x30 [ 778.398550] ? trace_hardirqs_off_caller+0x310/0x310 [ 778.403650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 778.409187] vprintk_emit+0x391/0x990 [ 778.413000] ? wake_up_klogd+0x180/0x180 [ 778.417062] ? find_held_lock+0x11/0x1c0 [ 778.421124] ? mark_held_locks+0xc7/0x130 [ 778.425270] ? _raw_spin_unlock_irq+0x27/0x80 [ 778.429757] ? _raw_spin_unlock_irq+0x27/0x80 [ 778.434264] vprintk_default+0x28/0x30 [ 778.438144] vprintk_func+0x7e/0x181 [ 778.441851] printk+0xa7/0xcf [ 778.444948] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 778.449701] ? _raw_spin_unlock_irq+0x60/0x80 [ 778.454415] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 778.459693] dump_header+0x7cc/0xf72 [ 778.463411] ? pagefault_out_of_memory+0x197/0x197 [ 778.468339] ? __lock_acquire+0x62f/0x4c20 [ 778.472571] ? print_usage_bug+0xc0/0xc0 [ 778.476628] ? zap_class+0x640/0x640 [ 778.480332] ? zap_class+0x640/0x640 [ 778.484042] ? print_usage_bug+0xc0/0xc0 [ 778.488098] ? print_usage_bug+0xc0/0xc0 [ 778.492158] ? find_held_lock+0x36/0x1c0 [ 778.496221] ? mark_held_locks+0xc7/0x130 [ 778.500367] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 778.505464] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 778.510564] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 778.515152] ? trace_hardirqs_on+0xbd/0x310 [ 778.519469] ? kasan_check_read+0x11/0x20 [ 778.523608] ? ___ratelimit+0x3b4/0x672 [ 778.527573] ? trace_hardirqs_off_caller+0x310/0x310 [ 778.532667] ? trace_hardirqs_on+0x310/0x310 [ 778.537091] ? lock_downgrade+0x900/0x900 [ 778.541246] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 778.546338] ? ___ratelimit+0x3b9/0x672 [ 778.550486] ? idr_get_free+0xf70/0xf70 [ 778.554459] ? kasan_check_read+0x11/0x20 [ 778.558602] ? do_raw_spin_unlock+0xa7/0x330 [ 778.563013] oom_kill_process.cold.27+0x10/0x903 [ 778.567770] ? zap_class+0x640/0x640 [ 778.571476] ? _raw_spin_unlock+0x2c/0x50 [ 778.575613] ? oom_badness+0xe6/0xaa0 [ 778.579446] ? oom_evaluate_task+0x540/0x540 [ 778.583852] ? find_held_lock+0x36/0x1c0 [ 778.587912] ? out_of_memory+0x974/0x1430 [ 778.592057] ? lock_downgrade+0x900/0x900 [ 778.596197] ? check_preemption_disabled+0x48/0x280 [ 778.601207] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 778.606127] ? kasan_check_read+0x11/0x20 [ 778.610268] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 778.615537] ? rcu_softirq_qs+0x20/0x20 [ 778.619509] ? kasan_check_write+0x14/0x20 [ 778.623734] ? oom_evaluate_task+0x302/0x540 [ 778.628142] out_of_memory+0xa84/0x1430 [ 778.632126] ? oom_killer_disable+0x3a0/0x3a0 [ 778.636613] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 778.641543] ? __ww_mutex_check_waiters+0x160/0x160 [ 778.646561] __alloc_pages_slowpath+0x2354/0x2e10 [ 778.651684] ? warn_alloc+0x120/0x120 [ 778.655477] ? mark_held_locks+0x130/0x130 [ 778.660187] ? find_get_entry+0xaae/0x1120 [ 778.664428] ? filemap_map_pages+0x1a20/0x1a20 [ 778.669014] ? zap_class+0x640/0x640 [ 778.672731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 778.678264] ? check_preemption_disabled+0x48/0x280 [ 778.683277] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 778.688810] ? should_fail+0x22d/0xd01 [ 778.692696] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 778.697796] ? zap_class+0x640/0x640 [ 778.701634] ? __lock_is_held+0xb5/0x140 [ 778.705699] ? mark_held_locks+0x130/0x130 [ 778.709932] ? lock_release+0xa00/0xa00 [ 778.713903] ? perf_trace_sched_process_exec+0x860/0x860 [ 778.719349] ? xa_load+0x2ba/0x460 [ 778.722886] ? lock_downgrade+0x900/0x900 [ 778.727034] ? __might_sleep+0x95/0x190 [ 778.731019] __alloc_pages_nodemask+0xa80/0xde0 [ 778.735690] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 778.740725] ? __page_cache_alloc+0x191/0x5c0 [ 778.745223] ? xa_load+0x2e1/0x460 [ 778.748757] ? xa_clear_mark+0x40/0x40 [ 778.752851] ? zap_class+0x640/0x640 [ 778.756566] ? zap_class+0x640/0x640 [ 778.760275] ? zap_class+0x640/0x640 [ 778.763998] ? __do_page_cache_readahead+0x663/0x810 [ 778.769100] ? find_held_lock+0x36/0x1c0 [ 778.773160] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 778.778702] alloc_pages_current+0x173/0x350 [ 778.783110] __page_cache_alloc+0x38c/0x5c0 [ 778.787430] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 778.792351] ? kasan_check_read+0x11/0x20 [ 778.796499] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 778.801777] ? generic_perform_write+0x6a0/0x6a0 [ 778.806530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 778.812063] ? check_preemption_disabled+0x48/0x280 [ 778.817083] filemap_fault+0x1595/0x25f0 [ 778.821149] ? __lock_page_or_retry+0xa00/0xa00 [ 778.825815] ? mark_held_locks+0x130/0x130 [ 778.830054] ? filemap_map_pages+0xd6b/0x1a20 [ 778.834544] ? lock_downgrade+0x900/0x900 [ 778.838685] ? check_preemption_disabled+0x48/0x280 [ 778.843697] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 778.848615] ? kasan_check_read+0x11/0x20 [ 778.853021] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 778.858291] ? rcu_softirq_qs+0x20/0x20 [ 778.862269] ? filemap_map_pages+0xd92/0x1a20 [ 778.866768] ? find_get_entries_tag+0x1400/0x1400 [ 778.871606] ? futex_wake+0x760/0x760 [ 778.875413] ? lock_acquire+0x1ed/0x520 [ 778.879384] ? ext4_filemap_fault+0x7a/0xad [ 778.883709] ? lock_release+0xa00/0xa00 [ 778.887684] ? perf_trace_sched_process_exec+0x860/0x860 [ 778.893133] ? print_usage_bug+0xc0/0xc0 [ 778.897186] ? print_usage_bug+0xc0/0xc0 [ 778.901255] ? down_read+0x8d/0x120 [ 778.904876] ? ext4_filemap_fault+0x7a/0xad [ 778.909190] ? __down_interruptible+0x700/0x700 [ 778.913864] ext4_filemap_fault+0x82/0xad [ 778.918011] __do_fault+0x100/0x6b0 [ 778.921636] ? pmd_devmap_trans_unstable+0x220/0x220 [ 778.926735] ? mark_held_locks+0x130/0x130 [ 778.930998] ? mark_held_locks+0x130/0x130 [ 778.935227] ? __might_fault+0x12b/0x1e0 [ 778.939284] ? lock_downgrade+0x900/0x900 [ 778.943433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 778.948983] __handle_mm_fault+0x3ea0/0x5be0 [ 778.953615] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 778.958456] ? kasan_check_read+0x11/0x20 [ 778.962614] ? _copy_to_user+0xc8/0x110 [ 778.966605] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 778.972148] ? zap_class+0x640/0x640 [ 778.975861] ? zap_class+0x640/0x640 [ 778.979577] ? find_held_lock+0x36/0x1c0 [ 778.983656] ? handle_mm_fault+0x42a/0xc70 [ 778.987884] ? lock_downgrade+0x900/0x900 [ 778.992026] ? check_preemption_disabled+0x48/0x280 [ 778.997039] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 779.001969] ? kasan_check_read+0x11/0x20 [ 779.006120] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 779.011391] ? rcu_softirq_qs+0x20/0x20 [ 779.015360] ? trace_hardirqs_off_caller+0x310/0x310 [ 779.020461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 779.025994] ? check_preemption_disabled+0x48/0x280 [ 779.031009] handle_mm_fault+0x54f/0xc70 [ 779.035084] ? __handle_mm_fault+0x5be0/0x5be0 [ 779.039663] ? find_vma+0x34/0x190 [ 779.043205] __do_page_fault+0x5e8/0xe60 [ 779.047263] ? trace_hardirqs_off+0xb8/0x310 [ 779.051885] do_page_fault+0xf2/0x7e0 [ 779.055684] ? vmalloc_sync_all+0x30/0x30 [ 779.059824] ? error_entry+0x70/0xd0 [ 779.063545] ? trace_hardirqs_off_caller+0xbb/0x310 [ 779.068550] ? trace_hardirqs_on_caller+0xc0/0x310 [ 779.073473] ? syscall_return_slowpath+0x5e0/0x5e0 [ 779.078398] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 779.083235] ? trace_hardirqs_on_caller+0x310/0x310 [ 779.088262] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 779.093712] ? prepare_exit_to_usermode+0x291/0x3b0 [ 779.098724] ? page_fault+0x8/0x30 [ 779.102266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 779.107103] ? page_fault+0x8/0x30 [ 779.110638] page_fault+0x1e/0x30 [ 779.114081] RIP: 0033:0x407e06 [ 779.117288] Code: Bad RIP value. [ 779.120644] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 779.126000] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 779.133257] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 779.140514] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 779.147774] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 779.155263] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 779.162562] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 779.162631] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 779.169492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 779.169524] Workqueue: events_power_efficient neigh_periodic_work [ 779.176646] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 779.185329] Call Trace: [ 779.191540] syz-fuzzer cpuset=/ mems_allowed=0 [ 779.201757] dump_stack+0x244/0x39d [ 779.212513] ? dump_stack_print_info.cold.1+0x20/0x20 [ 779.217712] warn_alloc.cold.116+0xb7/0x1bd [ 779.222035] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 779.226880] ? lock_downgrade+0x900/0x900 [ 779.231035] ? trace_hardirqs_off+0xb8/0x310 [ 779.235474] ? trace_hardirqs_off+0xb8/0x310 [ 779.239890] __alloc_pages_slowpath+0x26e8/0x2e10 [ 779.244764] ? warn_alloc+0x120/0x120 [ 779.248566] ? warn_alloc+0x120/0x120 [ 779.252895] ? check_preemption_disabled+0x48/0x280 [ 779.257927] ? warn_alloc+0x120/0x120 [ 779.261730] ? zap_class+0x640/0x640 [ 779.265438] ? print_usage_bug+0xc0/0xc0 [ 779.269499] ? print_usage_bug+0xc0/0xc0 [ 779.273555] ? __lock_acquire+0x62f/0x4c20 [ 779.277797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 779.283424] ? should_fail+0x22d/0xd01 [ 779.287311] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 779.292409] ? __lock_acquire+0x62f/0x4c20 [ 779.296648] ? __lock_acquire+0x62f/0x4c20 [ 779.300880] ? should_fail+0x22d/0xd01 [ 779.304774] ? mark_held_locks+0x130/0x130 [ 779.309007] ? mark_held_locks+0x130/0x130 [ 779.313242] ? pick_next_task_fair+0xa05/0x1b30 [ 779.317912] ? rcu_read_lock_sched_held+0x14f/0x180 [ 779.322922] ? zap_class+0x640/0x640 [ 779.326642] ? zap_class+0x640/0x640 [ 779.330369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 779.335901] ? check_preemption_disabled+0x48/0x280 [ 779.341007] ? __lock_is_held+0xb5/0x140 [ 779.345078] __alloc_pages_nodemask+0xa80/0xde0 [ 779.349828] ? zap_class+0x640/0x640 [ 779.354023] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 779.359058] ? find_held_lock+0x36/0x1c0 [ 779.363145] ? ____cache_alloc_node+0x1c7/0x1e0 [ 779.367807] ? lock_downgrade+0x900/0x900 [ 779.371962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 779.377507] cache_grow_begin+0xa5/0x8c0 [ 779.381561] ? do_raw_spin_unlock+0xa7/0x330 [ 779.385983] fallback_alloc+0x204/0x2e0 [ 779.389971] ____cache_alloc_node+0x1c7/0x1e0 [ 779.394472] kmem_cache_alloc_node+0xe3/0x730 [ 779.398967] ? zap_class+0x640/0x640 [ 779.402676] ? __sched_text_start+0x8/0x8 [ 779.406832] __alloc_skb+0x119/0x770 [ 779.410539] ? zap_class+0x640/0x640 [ 779.414257] ? netdev_alloc_frag+0x1f0/0x1f0 [ 779.418663] ? neigh_periodic_work+0x8ca/0xc60 [ 779.423241] ? lock_downgrade+0x900/0x900 [ 779.427388] ? kasan_check_read+0x11/0x20 [ 779.431525] ? do_raw_write_lock+0x14f/0x310 [ 779.435937] __neigh_notify+0x8c/0x160 [ 779.439831] neigh_cleanup_and_release+0x7b/0xe0 [ 779.444582] neigh_periodic_work+0x8d2/0xc60 [ 779.448996] ? neigh_table_clear+0x390/0x390 [ 779.453730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 779.459266] ? check_preemption_disabled+0x48/0x280 [ 779.464284] ? __lock_is_held+0xb5/0x140 [ 779.468354] process_one_work+0xc90/0x1c40 [ 779.472582] ? mark_held_locks+0x130/0x130 [ 779.476820] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 779.481566] ? __switch_to_asm+0x40/0x70 [ 779.485616] ? __switch_to_asm+0x40/0x70 [ 779.489671] ? __switch_to_asm+0x34/0x70 [ 779.493722] ? __switch_to_asm+0x40/0x70 [ 779.497873] ? __switch_to_asm+0x34/0x70 [ 779.502014] ? __switch_to_asm+0x40/0x70 [ 779.506068] ? __switch_to_asm+0x34/0x70 [ 779.510121] ? __switch_to_asm+0x40/0x70 [ 779.514184] ? __schedule+0x8d7/0x21d0 [ 779.518066] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 779.522658] ? zap_class+0x640/0x640 [ 779.526371] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 779.531123] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 779.535713] ? lock_acquire+0x1ed/0x520 [ 779.539696] ? worker_thread+0x3e0/0x1390 [ 779.543845] ? kasan_check_read+0x11/0x20 [ 779.547989] ? do_raw_spin_lock+0x14f/0x350 [ 779.552769] ? kasan_check_read+0x11/0x20 [ 779.556911] ? rwlock_bug.part.2+0x90/0x90 [ 779.561149] ? trace_hardirqs_on+0x310/0x310 [ 779.565569] worker_thread+0x17f/0x1390 [ 779.569549] ? __switch_to_asm+0x34/0x70 [ 779.573616] ? process_one_work+0x1c40/0x1c40 [ 779.578122] ? __sched_text_start+0x8/0x8 [ 779.582296] ? __kthread_parkme+0xce/0x1a0 [ 779.586521] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 779.591619] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 779.596721] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 779.601322] ? trace_hardirqs_on+0xbd/0x310 [ 779.605655] ? kasan_check_read+0x11/0x20 [ 779.609804] ? __kthread_parkme+0xce/0x1a0 [ 779.614047] ? trace_hardirqs_off_caller+0x310/0x310 [ 779.619167] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 779.624265] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 779.629798] ? __kthread_parkme+0xfb/0x1a0 [ 779.634052] ? process_one_work+0x1c40/0x1c40 [ 779.638639] kthread+0x35a/0x440 [ 779.642004] ? kthread_stop+0x900/0x900 [ 779.645975] ret_from_fork+0x3a/0x50 [ 779.649699] warn_alloc_show_mem: 1 callbacks suppressed [ 779.649709] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 779.649710] Mem-Info: [ 779.649741] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 779.649741] active_file:32 inactive_file:0 isolated_file:0 [ 779.649741] unevictable:0 dirty:0 writeback:0 unstable:0 [ 779.649741] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 779.649741] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 779.649741] free:13730 free_pcp:227 free_cma:0 [ 779.655320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 779.655328] Call Trace: [ 779.662343] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 779.664733] [ 779.697675] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 779.707042] dump_stack+0x244/0x39d [ 779.709596] lowmem_reserve[]: 0 2818 6321 6321 [ 779.737431] ? dump_stack_print_info.cold.1+0x20/0x20 [ 779.739551] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 779.765908] warn_alloc.cold.116+0xb7/0x1bd [ 779.769494] lowmem_reserve[]: 0 0 3503 3503 [ 779.774065] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 779.779313] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 779.806801] ? lock_downgrade+0x900/0x900 [ 779.811220] lowmem_reserve[]: 0 0 0 0 [ 779.815539] ? trace_hardirqs_off+0xb8/0x310 [ 779.820354] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 779.849602] ? trace_hardirqs_off+0xb8/0x310 [ 779.854217] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 779.858011] __alloc_pages_slowpath+0x26e8/0x2e10 [ 779.862468] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 779.876007] ? warn_alloc+0x120/0x120 [ 779.880371] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 779.895185] ? warn_alloc+0x120/0x120 [ 779.900013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 779.914123] ? warn_alloc+0x120/0x120 [ 779.917891] 6658 total pagecache pages [ 779.926711] ? __bpf_trace_xdp_cpumap_enqueue+0x40/0x40 [ 779.930496] 0 pages in swap cache [ 779.939049] ? print_usage_bug+0xc0/0xc0 [ 779.942825] Swap cache stats: add 0, delete 0, find 0/0 [ 779.946695] ? is_bpf_text_address+0xac/0x170 [ 779.952478] Free swap = 0kB [ 779.955920] ? print_usage_bug+0xc0/0xc0 [ 779.959960] Total swap = 0kB [ 779.965333] ? kasan_check_read+0x11/0x20 [ 779.969797] 1965979 pages RAM [ 779.972803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 779.976825] 0 pages HighMem/MovableOnly [ 779.976833] 342853 pages reserved [ 779.979851] ? should_fail+0x22d/0xd01 [ 779.983968] 0 pages cma reserved [ 779.987065] ? rcu_softirq_qs+0x20/0x20 [ 780.011179] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 780.014192] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 780.016285] ? __lock_acquire+0x62f/0x4c20 [ 780.026745] syz-executor0 cpuset=syz0 mems_allowed=0 [ 780.031066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 780.041231] ? __lock_acquire+0x62f/0x4c20 [ 780.045461] ? should_fail+0x22d/0xd01 [ 780.049354] ? mark_held_locks+0x130/0x130 [ 780.053848] ? mark_held_locks+0x130/0x130 [ 780.058079] ? try_to_wake_up+0x11c/0x1490 [ 780.062310] ? lock_downgrade+0x900/0x900 [ 780.066462] ? save_stack_trace+0x1a/0x20 [ 780.070617] ? zap_class+0x640/0x640 [ 780.074332] ? print_usage_bug+0xc0/0xc0 [ 780.078388] ? trace_hardirqs_off+0xb8/0x310 [ 780.082790] ? kasan_check_read+0x11/0x20 [ 780.086952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 780.092483] ? check_preemption_disabled+0x48/0x280 [ 780.097497] ? __lock_is_held+0xb5/0x140 [ 780.101553] __alloc_pages_nodemask+0xa80/0xde0 [ 780.106209] ? zap_class+0x640/0x640 [ 780.109914] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 780.114953] ? find_held_lock+0x36/0x1c0 [ 780.119026] ? ____cache_alloc_node+0x1c7/0x1e0 [ 780.123687] ? lock_downgrade+0x900/0x900 [ 780.127834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 780.133374] cache_grow_begin+0xa5/0x8c0 [ 780.137432] ? do_raw_spin_unlock+0xa7/0x330 [ 780.141849] fallback_alloc+0x204/0x2e0 [ 780.145823] ____cache_alloc_node+0x1c7/0x1e0 [ 780.150459] kmem_cache_alloc_node+0xe3/0x730 [ 780.154968] ? ipv6_get_ifaddr+0x42e/0x620 [ 780.159209] __alloc_skb+0x119/0x770 [ 780.162944] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 780.168218] ? netdev_alloc_frag+0x1f0/0x1f0 [ 780.172622] ? lock_downgrade+0x900/0x900 [ 780.176772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 780.182325] ? refcount_sub_and_test_checked+0x203/0x310 [ 780.187773] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 780.193221] ? addrconf_rs_timer+0x690/0x690 [ 780.197634] ndisc_alloc_skb+0x144/0x340 [ 780.201695] ndisc_send_rs+0x331/0x6e0 [ 780.205579] addrconf_rs_timer+0x314/0x690 [ 780.209814] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 780.214050] call_timer_fn+0x272/0x920 [ 780.217956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 780.222183] ? process_timeout+0x40/0x40 [ 780.226251] ? mark_held_locks+0xc7/0x130 [ 780.230394] ? _raw_spin_unlock_irq+0x27/0x80 [ 780.234882] ? _raw_spin_unlock_irq+0x27/0x80 [ 780.239367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 780.243590] ? lockdep_hardirqs_on+0x296/0x5b0 [ 780.248163] ? trace_hardirqs_on+0xbd/0x310 [ 780.252701] ? kasan_check_read+0x11/0x20 [ 780.256844] ? __run_timers+0x7da/0xc70 [ 780.260812] ? trace_hardirqs_off_caller+0x310/0x310 [ 780.265921] ? __queue_work+0x1440/0x1440 [ 780.270077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 780.274307] __run_timers+0x7e5/0xc70 [ 780.278113] ? timer_fixup_init+0x70/0x70 [ 780.282253] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 780.287281] ? zap_class+0x640/0x640 [ 780.290996] ? print_usage_bug+0xc0/0xc0 [ 780.295057] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 780.300264] ? find_held_lock+0x36/0x1c0 [ 780.304324] ? zap_class+0x640/0x640 [ 780.308038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 780.313567] ? check_preemption_disabled+0x48/0x280 [ 780.318608] ? __lock_is_held+0xb5/0x140 [ 780.322666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 780.328201] ? check_preemption_disabled+0x48/0x280 [ 780.333218] run_timer_softirq+0x52/0xb0 [ 780.337276] ? rcu_read_lock_sched_held+0x14f/0x180 [ 780.342284] __do_softirq+0x308/0xb7e [ 780.346084] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 780.350879] ? lock_downgrade+0x900/0x900 [ 780.355079] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 780.360184] ? pvclock_read_flags+0x160/0x160 [ 780.364677] ? lapic_next_event+0x5a/0x90 [ 780.368822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 780.374359] ? kvm_clock_read+0x18/0x30 [ 780.378331] ? kvm_sched_clock_read+0x9/0x20 [ 780.382735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 780.388272] ? check_preemption_disabled+0x48/0x280 [ 780.393292] irq_exit+0x17f/0x1c0 [ 780.396741] smp_apic_timer_interrupt+0x1cb/0x760 [ 780.401578] ? smp_reschedule_interrupt+0x109/0x650 [ 780.406593] ? smp_call_function_single_interrupt+0x650/0x650 [ 780.412467] ? interrupt_entry+0xb5/0xc0 [ 780.417148] ? trace_hardirqs_off_caller+0xbb/0x310 [ 780.422160] ? trace_hardirqs_off_caller+0xbb/0x310 [ 780.427177] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 780.432027] ? trace_hardirqs_on_caller+0x310/0x310 [ 780.437035] ? trace_hardirqs_on_caller+0x310/0x310 [ 780.442047] ? task_prio+0x50/0x50 [ 780.445583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 780.451419] ? check_preemption_disabled+0x48/0x280 [ 780.456443] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 780.461292] apic_timer_interrupt+0xf/0x20 [ 780.465518] [ 780.467748] RIP: 0010:console_unlock+0x102f/0x1190 [ 780.472677] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 780.491655] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 780.499356] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 780.506618] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 780.513881] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 780.521156] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 780.528418] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 780.535687] ? netconsole_netdev_event+0x280/0x280 [ 780.540615] ? console_unlock+0x1026/0x1190 [ 780.544955] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 780.549615] ? vprintk_emit+0x846/0x990 [ 780.553829] ? lock_release+0xa00/0xa00 [ 780.557800] ? trace_hardirqs_on+0x70/0x310 [ 780.562118] ? vprintk_default+0x28/0x30 [ 780.566177] ? trace_hardirqs_off_caller+0x310/0x310 [ 780.571279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 780.576817] vprintk_emit+0x391/0x990 [ 780.580617] ? wake_up_klogd+0x180/0x180 [ 780.584688] ? find_held_lock+0x11/0x1c0 [ 780.588751] ? mark_held_locks+0xc7/0x130 [ 780.592894] ? _raw_spin_unlock_irq+0x27/0x80 [ 780.597396] ? _raw_spin_unlock_irq+0x27/0x80 [ 780.601893] vprintk_default+0x28/0x30 [ 780.605791] vprintk_func+0x7e/0x181 [ 780.609502] printk+0xa7/0xcf [ 780.612600] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 780.617356] ? _raw_spin_unlock_irq+0x60/0x80 [ 780.621860] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 780.627155] dump_header+0x7cc/0xf72 [ 780.630876] ? pagefault_out_of_memory+0x197/0x197 [ 780.635825] ? __lock_acquire+0x62f/0x4c20 [ 780.640059] ? print_usage_bug+0xc0/0xc0 [ 780.644118] ? zap_class+0x640/0x640 [ 780.647839] ? zap_class+0x640/0x640 [ 780.651770] ? print_usage_bug+0xc0/0xc0 [ 780.655828] ? print_usage_bug+0xc0/0xc0 [ 780.660384] ? find_held_lock+0x36/0x1c0 [ 780.664450] ? mark_held_locks+0xc7/0x130 [ 780.668593] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 780.673688] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 780.678789] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 780.683370] ? trace_hardirqs_on+0xbd/0x310 [ 780.687684] ? kasan_check_read+0x11/0x20 [ 780.691825] ? ___ratelimit+0x3b4/0x672 [ 780.695815] ? trace_hardirqs_off_caller+0x310/0x310 [ 780.700923] ? trace_hardirqs_on+0x310/0x310 [ 780.705329] ? lock_downgrade+0x900/0x900 [ 780.709486] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 780.714583] ? ___ratelimit+0x3b9/0x672 [ 780.718569] ? idr_get_free+0xf70/0xf70 [ 780.722537] ? kasan_check_read+0x11/0x20 [ 780.726678] ? do_raw_spin_unlock+0xa7/0x330 [ 780.731088] oom_kill_process.cold.27+0x10/0x903 [ 780.735838] ? zap_class+0x640/0x640 [ 780.739545] ? _raw_spin_unlock+0x2c/0x50 [ 780.743772] ? oom_badness+0xe6/0xaa0 [ 780.747577] ? oom_evaluate_task+0x540/0x540 [ 780.752233] ? find_held_lock+0x36/0x1c0 [ 780.756300] ? out_of_memory+0x974/0x1430 [ 780.760444] ? lock_downgrade+0x900/0x900 [ 780.764581] ? check_preemption_disabled+0x48/0x280 [ 780.769593] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 780.774517] ? kasan_check_read+0x11/0x20 [ 780.778659] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 780.783933] ? rcu_softirq_qs+0x20/0x20 [ 780.787919] ? kasan_check_write+0x14/0x20 [ 780.792150] ? oom_evaluate_task+0x302/0x540 [ 780.796561] out_of_memory+0xa84/0x1430 [ 780.800536] ? oom_killer_disable+0x3a0/0x3a0 [ 780.805029] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 780.809958] ? __ww_mutex_check_waiters+0x160/0x160 [ 780.814981] __alloc_pages_slowpath+0x2354/0x2e10 [ 780.819845] ? warn_alloc+0x120/0x120 [ 780.823637] ? mark_held_locks+0x130/0x130 [ 780.827875] ? find_get_entry+0xaae/0x1120 [ 780.832122] ? filemap_map_pages+0x1a20/0x1a20 [ 780.836702] ? zap_class+0x640/0x640 [ 780.840502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 780.846033] ? check_preemption_disabled+0x48/0x280 [ 780.851347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 780.857729] ? should_fail+0x22d/0xd01 [ 780.861615] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 780.866714] ? zap_class+0x640/0x640 [ 780.870444] ? __lock_is_held+0xb5/0x140 [ 780.874505] ? mark_held_locks+0x130/0x130 [ 780.878751] ? lock_release+0xa00/0xa00 [ 780.882724] ? perf_trace_sched_process_exec+0x860/0x860 [ 780.888173] ? xa_load+0x2ba/0x460 [ 780.891707] ? lock_downgrade+0x900/0x900 [ 780.895874] ? __might_sleep+0x95/0x190 [ 780.899860] __alloc_pages_nodemask+0xa80/0xde0 [ 780.904535] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 780.909547] ? __page_cache_alloc+0x191/0x5c0 [ 780.914034] ? xa_load+0x2e1/0x460 [ 780.917570] ? xa_clear_mark+0x40/0x40 [ 780.921451] ? zap_class+0x640/0x640 [ 780.925167] ? zap_class+0x640/0x640 [ 780.928873] ? zap_class+0x640/0x640 [ 780.932596] ? __do_page_cache_readahead+0x663/0x810 [ 780.937698] ? find_held_lock+0x36/0x1c0 [ 780.941759] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 780.947299] alloc_pages_current+0x173/0x350 [ 780.951984] __page_cache_alloc+0x38c/0x5c0 [ 780.956299] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 780.961225] ? kasan_check_read+0x11/0x20 [ 780.965369] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 780.970642] ? generic_perform_write+0x6a0/0x6a0 [ 780.975392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 780.980934] ? check_preemption_disabled+0x48/0x280 [ 780.985951] filemap_fault+0x1595/0x25f0 [ 780.990018] ? __lock_page_or_retry+0xa00/0xa00 [ 780.994679] ? mark_held_locks+0x130/0x130 [ 780.998926] ? filemap_map_pages+0xd6b/0x1a20 [ 781.003414] ? lock_downgrade+0x900/0x900 [ 781.007555] ? check_preemption_disabled+0x48/0x280 [ 781.012566] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 781.017490] ? kasan_check_read+0x11/0x20 [ 781.021634] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 781.026912] ? rcu_softirq_qs+0x20/0x20 [ 781.030898] ? filemap_map_pages+0xd92/0x1a20 [ 781.035491] ? find_get_entries_tag+0x1400/0x1400 [ 781.040329] ? futex_wake+0x760/0x760 [ 781.044132] ? lock_acquire+0x1ed/0x520 [ 781.048097] ? ext4_filemap_fault+0x7a/0xad [ 781.052701] ? lock_release+0xa00/0xa00 [ 781.056666] ? perf_trace_sched_process_exec+0x860/0x860 [ 781.062113] ? print_usage_bug+0xc0/0xc0 [ 781.066183] ? print_usage_bug+0xc0/0xc0 [ 781.070250] ? down_read+0x8d/0x120 [ 781.073866] ? ext4_filemap_fault+0x7a/0xad [ 781.078194] ? __down_interruptible+0x700/0x700 [ 781.082865] ext4_filemap_fault+0x82/0xad [ 781.087032] __do_fault+0x100/0x6b0 [ 781.090659] ? pmd_devmap_trans_unstable+0x220/0x220 [ 781.095760] ? mark_held_locks+0x130/0x130 [ 781.100000] ? mark_held_locks+0x130/0x130 [ 781.104621] ? __might_fault+0x12b/0x1e0 [ 781.108678] ? lock_downgrade+0x900/0x900 [ 781.112830] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 781.118364] __handle_mm_fault+0x3ea0/0x5be0 [ 781.122777] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 781.127623] ? kasan_check_read+0x11/0x20 [ 781.131875] ? _copy_to_user+0xc8/0x110 [ 781.135859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 781.141401] ? zap_class+0x640/0x640 [ 781.145108] ? zap_class+0x640/0x640 [ 781.148821] ? find_held_lock+0x36/0x1c0 [ 781.153148] ? handle_mm_fault+0x42a/0xc70 [ 781.157378] ? lock_downgrade+0x900/0x900 [ 781.161522] ? check_preemption_disabled+0x48/0x280 [ 781.166536] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 781.171888] ? kasan_check_read+0x11/0x20 [ 781.176039] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 781.181310] ? rcu_softirq_qs+0x20/0x20 [ 781.185283] ? trace_hardirqs_off_caller+0x310/0x310 [ 781.190383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 781.195924] ? check_preemption_disabled+0x48/0x280 [ 781.200944] handle_mm_fault+0x54f/0xc70 [ 781.205007] ? __handle_mm_fault+0x5be0/0x5be0 [ 781.209586] ? find_vma+0x34/0x190 [ 781.213127] __do_page_fault+0x5e8/0xe60 [ 781.217183] ? trace_hardirqs_off+0xb8/0x310 [ 781.221598] do_page_fault+0xf2/0x7e0 [ 781.225407] ? vmalloc_sync_all+0x30/0x30 [ 781.229551] ? error_entry+0x70/0xd0 [ 781.233259] ? trace_hardirqs_off_caller+0xbb/0x310 [ 781.238268] ? trace_hardirqs_on_caller+0xc0/0x310 [ 781.243280] ? syscall_return_slowpath+0x5e0/0x5e0 [ 781.248209] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 781.253277] ? trace_hardirqs_on_caller+0x310/0x310 [ 781.258288] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 781.263738] ? prepare_exit_to_usermode+0x291/0x3b0 [ 781.268750] ? page_fault+0x8/0x30 [ 781.272288] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 781.277126] ? page_fault+0x8/0x30 [ 781.280661] page_fault+0x1e/0x30 [ 781.284121] RIP: 0033:0x407e06 [ 781.287324] Code: Bad RIP value. [ 781.290678] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 781.296037] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 781.303296] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 781.310576] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 781.317836] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 781.325098] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 781.332423] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 781.332480] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 781.339703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 781.346282] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 781.355988] Call Trace: [ 781.366191] syz-fuzzer cpuset=/ mems_allowed=0 [ 781.368766] dump_stack+0x244/0x39d [ 781.376936] ? dump_stack_print_info.cold.1+0x20/0x20 [ 781.382146] warn_alloc.cold.116+0xb7/0x1bd [ 781.386462] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 781.391310] ? lock_downgrade+0x900/0x900 [ 781.395464] ? trace_hardirqs_off+0xb8/0x310 [ 781.399883] ? trace_hardirqs_off+0xb8/0x310 [ 781.404291] __alloc_pages_slowpath+0x26e8/0x2e10 [ 781.409155] ? warn_alloc+0x120/0x120 [ 781.412952] ? zap_class+0x640/0x640 [ 781.416682] ? warn_alloc+0x120/0x120 [ 781.420485] ? warn_alloc+0x120/0x120 [ 781.424285] ? print_usage_bug+0xc0/0xc0 [ 781.428342] ? find_held_lock+0x36/0x1c0 [ 781.432404] ? print_usage_bug+0xc0/0xc0 [ 781.436459] ? cpuacct_charge+0x265/0x440 [ 781.440601] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 781.446131] ? should_fail+0x22d/0xd01 [ 781.450906] ? find_held_lock+0x36/0x1c0 [ 781.455080] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 781.460185] ? __lock_acquire+0x62f/0x4c20 [ 781.464426] ? should_fail+0x22d/0xd01 [ 781.468334] ? mark_held_locks+0x130/0x130 [ 781.472589] ? mark_held_locks+0x130/0x130 [ 781.476822] ? __lock_acquire+0x62f/0x4c20 [ 781.481062] ? zap_class+0x640/0x640 [ 781.484772] ? __lock_is_held+0xb5/0x140 [ 781.488838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 781.494366] ? check_preemption_disabled+0x48/0x280 [ 781.499498] ? __lock_is_held+0xb5/0x140 [ 781.503562] __alloc_pages_nodemask+0xa80/0xde0 [ 781.508223] ? zap_class+0x640/0x640 [ 781.511936] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 781.516957] ? find_held_lock+0x36/0x1c0 [ 781.521036] ? ____cache_alloc_node+0x1c7/0x1e0 [ 781.525723] ? lock_downgrade+0x900/0x900 [ 781.529894] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 781.535435] cache_grow_begin+0xa5/0x8c0 [ 781.539492] ? do_raw_spin_unlock+0xa7/0x330 [ 781.543909] fallback_alloc+0x204/0x2e0 [ 781.547892] ____cache_alloc_node+0x1c7/0x1e0 [ 781.553362] kmem_cache_alloc+0x1f8/0x730 [ 781.557537] skb_clone+0x1bb/0x500 [ 781.561083] ? finish_task_switch+0x1b4/0x910 [ 781.565682] ? skb_split+0x11e0/0x11e0 [ 781.569578] ? preempt_notifier_register+0x200/0x200 [ 781.574673] ? __switch_to_asm+0x34/0x70 [ 781.578731] ? __switch_to_asm+0x34/0x70 [ 781.582787] ? __switch_to_asm+0x40/0x70 [ 781.586841] ? __switch_to_asm+0x34/0x70 [ 781.590902] ? __switch_to_asm+0x40/0x70 [ 781.594970] ? __switch_to_asm+0x34/0x70 [ 781.599025] ? __switch_to_asm+0x40/0x70 [ 781.603083] ? __switch_to_asm+0x34/0x70 [ 781.607137] ? __switch_to_asm+0x34/0x70 [ 781.611193] ? __switch_to_asm+0x40/0x70 [ 781.615248] ? __switch_to_asm+0x34/0x70 [ 781.619316] bpf_clone_redirect+0xb9/0x490 [ 781.623549] ? __schedule+0x8d7/0x21d0 [ 781.627439] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 781.632452] ? __sched_text_start+0x8/0x8 [ 781.636599] ? retint_kernel+0x2d/0x2d [ 781.640525] ? find_held_lock+0x36/0x1c0 [ 781.644595] ? lock_acquire+0x1ed/0x520 [ 781.648568] ? bpf_test_run+0x3cb/0x780 [ 781.653050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 781.658587] ? check_preemption_disabled+0x48/0x280 [ 781.663608] ? kasan_check_read+0x11/0x20 [ 781.667752] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 781.673022] ? rcu_softirq_qs+0x20/0x20 [ 781.676993] ? preempt_schedule+0x4d/0x60 [ 781.681140] ? ___preempt_schedule+0x16/0x18 [ 781.685553] ? bpf_test_run+0x25d/0x780 [ 781.689533] ? netlink_diag_dump+0x2a0/0x2a0 [ 781.693938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 781.699468] ? bpf_test_init.isra.10+0x70/0x100 [ 781.704166] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 781.708927] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 781.713766] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 781.719299] ? fput+0x130/0x1a0 [ 781.722576] ? __bpf_prog_get+0x9b/0x290 [ 781.726637] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 781.731492] ? bpf_prog_test_run+0x130/0x1a0 [ 781.735903] ? __x64_sys_bpf+0x3db/0x520 [ 781.739959] ? bpf_prog_get+0x20/0x20 [ 781.743803] ? do_syscall_64+0x1b9/0x820 [ 781.747855] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 781.753737] ? syscall_return_slowpath+0x5e0/0x5e0 [ 781.758664] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 781.763504] ? trace_hardirqs_on_caller+0x310/0x310 [ 781.768519] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 781.773533] ? prepare_exit_to_usermode+0x291/0x3b0 [ 781.778553] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 781.783417] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 781.788794] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 781.788799] warn_alloc_show_mem: 1 callbacks suppressed [ 781.788805] Mem-Info: [ 781.795815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 781.801196] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 781.801196] active_file:32 inactive_file:0 isolated_file:0 [ 781.801196] unevictable:0 dirty:0 writeback:0 unstable:0 [ 781.801196] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 781.801196] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 781.801196] free:13730 free_pcp:227 free_cma:0 [ 781.803984] Call Trace: [ 781.813361] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 781.846423] [ 781.848994] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 781.877014] dump_stack+0x244/0x39d [ 781.879131] lowmem_reserve[]: 0 2818 6321 6321 [ 781.905228] ? dump_stack_print_info.cold.1+0x20/0x20 [ 781.908826] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 781.913405] warn_alloc.cold.116+0xb7/0x1bd [ 781.918556] lowmem_reserve[]: 0 0 3503 3503 [ 781.946052] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 781.950674] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 781.954996] ? lock_downgrade+0x900/0x900 [ 781.959807] lowmem_reserve[]: 0 0 0 0 [ 781.988864] ? trace_hardirqs_off+0xb8/0x310 [ 781.992978] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 781.996768] ? trace_hardirqs_off+0xb8/0x310 [ 782.001143] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 782.014674] __alloc_pages_slowpath+0x26e8/0x2e10 [ 782.019048] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 782.033796] ? warn_alloc+0x120/0x120 [ 782.038594] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 782.052969] ? print_usage_bug+0xc0/0xc0 [ 782.056762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 782.065585] ? warn_alloc+0x120/0x120 [ 782.069619] 6658 total pagecache pages [ 782.078186] ? warn_alloc+0x120/0x120 [ 782.081965] 0 pages in swap cache [ 782.085834] ? print_usage_bug+0xc0/0xc0 [ 782.089606] Swap cache stats: add 0, delete 0, find 0/0 [ 782.093042] ? kvm_clock_read+0x18/0x30 [ 782.097072] Free swap = 0kB [ 782.102422] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 782.106369] Total swap = 0kB [ 782.109372] ? print_usage_bug+0xc0/0xc0 [ 782.114363] 1965979 pages RAM [ 782.117366] ? __lock_acquire+0x62f/0x4c20 [ 782.121433] 0 pages HighMem/MovableOnly [ 782.124560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 782.128775] 342853 pages reserved [ 782.132741] ? should_fail+0x22d/0xd01 [ 782.138244] 0 pages cma reserved [ 782.141691] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 782.141709] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 782.159652] ? __lock_acquire+0x62f/0x4c20 [ 782.163896] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 782.167630] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 782.168998] ? __lock_acquire+0x62f/0x4c20 [ 782.179293] kworker/1:0 cpuset=/ mems_allowed=0 [ 782.183512] ? should_fail+0x22d/0xd01 [ 782.192021] ? rcu_irq_exit+0x1a2/0x390 [ 782.195995] ? mark_held_locks+0x130/0x130 [ 782.200221] ? mark_held_locks+0x130/0x130 [ 782.204447] ? mark_held_locks+0xc7/0x130 [ 782.208604] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 782.213611] ? zap_class+0x640/0x640 [ 782.217329] ? print_usage_bug+0xc0/0xc0 [ 782.221406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 782.226937] ? check_preemption_disabled+0x48/0x280 [ 782.231959] ? __lock_is_held+0xb5/0x140 [ 782.236020] __alloc_pages_nodemask+0xa80/0xde0 [ 782.240789] ? zap_class+0x640/0x640 [ 782.244520] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 782.249540] ? find_held_lock+0x36/0x1c0 [ 782.253895] ? ____cache_alloc_node+0x1c7/0x1e0 [ 782.258559] ? lock_downgrade+0x900/0x900 [ 782.262702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 782.268232] cache_grow_begin+0xa5/0x8c0 [ 782.272285] ? do_raw_spin_unlock+0xa7/0x330 [ 782.276695] fallback_alloc+0x204/0x2e0 [ 782.280670] ____cache_alloc_node+0x1c7/0x1e0 [ 782.285164] kmem_cache_alloc_node+0xe3/0x730 [ 782.289650] ? ipv6_get_ifaddr+0x42e/0x620 [ 782.293897] __alloc_skb+0x119/0x770 [ 782.297619] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 782.302899] ? netdev_alloc_frag+0x1f0/0x1f0 [ 782.307302] ? lock_downgrade+0x900/0x900 [ 782.311453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 782.316984] ? refcount_sub_and_test_checked+0x203/0x310 [ 782.322430] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 782.327882] ? addrconf_rs_timer+0x690/0x690 [ 782.332296] ndisc_alloc_skb+0x144/0x340 [ 782.336381] ndisc_send_rs+0x331/0x6e0 [ 782.340270] addrconf_rs_timer+0x314/0x690 [ 782.344506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 782.348744] call_timer_fn+0x272/0x920 [ 782.352877] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 782.357109] ? process_timeout+0x40/0x40 [ 782.361174] ? mark_held_locks+0xc7/0x130 [ 782.365324] ? _raw_spin_unlock_irq+0x27/0x80 [ 782.369825] ? _raw_spin_unlock_irq+0x27/0x80 [ 782.374319] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 782.378546] ? lockdep_hardirqs_on+0x296/0x5b0 [ 782.383136] ? trace_hardirqs_on+0xbd/0x310 [ 782.387459] ? kasan_check_read+0x11/0x20 [ 782.391611] ? __run_timers+0x7da/0xc70 [ 782.395581] ? trace_hardirqs_off_caller+0x310/0x310 [ 782.400681] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 782.404911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 782.409249] __run_timers+0x7e5/0xc70 [ 782.413049] ? timer_fixup_init+0x70/0x70 [ 782.417196] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 782.422207] ? zap_class+0x640/0x640 [ 782.425930] ? print_usage_bug+0xc0/0xc0 [ 782.429986] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 782.435171] ? find_held_lock+0x36/0x1c0 [ 782.439227] ? zap_class+0x640/0x640 [ 782.442935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 782.448489] ? check_preemption_disabled+0x48/0x280 [ 782.453824] ? __lock_is_held+0xb5/0x140 [ 782.457898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 782.463430] ? check_preemption_disabled+0x48/0x280 [ 782.468444] run_timer_softirq+0x52/0xb0 [ 782.472497] ? rcu_read_lock_sched_held+0x14f/0x180 [ 782.477507] __do_softirq+0x308/0xb7e [ 782.481305] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 782.485807] ? lock_downgrade+0x900/0x900 [ 782.489954] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 782.495058] ? pvclock_read_flags+0x160/0x160 [ 782.499550] ? lapic_next_event+0x5a/0x90 [ 782.503705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 782.509240] ? kvm_clock_read+0x18/0x30 [ 782.513205] ? kvm_sched_clock_read+0x9/0x20 [ 782.517608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 782.523136] ? check_preemption_disabled+0x48/0x280 [ 782.528154] irq_exit+0x17f/0x1c0 [ 782.531605] smp_apic_timer_interrupt+0x1cb/0x760 [ 782.536544] ? smp_reschedule_interrupt+0x109/0x650 [ 782.541558] ? smp_call_function_single_interrupt+0x650/0x650 [ 782.547436] ? interrupt_entry+0xb5/0xc0 [ 782.551757] ? trace_hardirqs_off_caller+0xbb/0x310 [ 782.557891] ? trace_hardirqs_off_caller+0xbb/0x310 [ 782.562917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 782.567875] ? trace_hardirqs_on_caller+0x310/0x310 [ 782.572886] ? trace_hardirqs_on_caller+0x310/0x310 [ 782.577897] ? task_prio+0x50/0x50 [ 782.581428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 782.586970] ? check_preemption_disabled+0x48/0x280 [ 782.591984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 782.596829] apic_timer_interrupt+0xf/0x20 [ 782.601067] [ 782.603312] RIP: 0010:console_unlock+0x102f/0x1190 [ 782.608235] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 782.627125] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 782.634851] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 782.642118] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 782.649385] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 782.656885] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 782.664630] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 782.672004] ? netconsole_netdev_event+0x280/0x280 [ 782.676948] ? console_unlock+0x1026/0x1190 [ 782.681311] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 782.685973] ? vprintk_emit+0x846/0x990 [ 782.689939] ? lock_release+0xa00/0xa00 [ 782.693910] ? trace_hardirqs_on+0x70/0x310 [ 782.698228] ? vprintk_default+0x28/0x30 [ 782.702287] ? trace_hardirqs_off_caller+0x310/0x310 [ 782.707390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 782.713017] vprintk_emit+0x391/0x990 [ 782.716821] ? wake_up_klogd+0x180/0x180 [ 782.720894] ? find_held_lock+0x11/0x1c0 [ 782.724960] ? mark_held_locks+0xc7/0x130 [ 782.729103] ? _raw_spin_unlock_irq+0x27/0x80 [ 782.733594] ? _raw_spin_unlock_irq+0x27/0x80 [ 782.738087] vprintk_default+0x28/0x30 [ 782.741971] vprintk_func+0x7e/0x181 [ 782.745683] printk+0xa7/0xcf [ 782.748796] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 782.753849] ? _raw_spin_unlock_irq+0x60/0x80 [ 782.758471] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 782.763767] dump_header+0x7cc/0xf72 [ 782.767482] ? pagefault_out_of_memory+0x197/0x197 [ 782.772423] ? __lock_acquire+0x62f/0x4c20 [ 782.776654] ? print_usage_bug+0xc0/0xc0 [ 782.780715] ? zap_class+0x640/0x640 [ 782.784419] ? zap_class+0x640/0x640 [ 782.788128] ? print_usage_bug+0xc0/0xc0 [ 782.792188] ? print_usage_bug+0xc0/0xc0 [ 782.796260] ? find_held_lock+0x36/0x1c0 [ 782.800337] ? mark_held_locks+0xc7/0x130 [ 782.804478] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 782.809575] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 782.814671] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 782.819249] ? trace_hardirqs_on+0xbd/0x310 [ 782.824618] ? kasan_check_read+0x11/0x20 [ 782.828757] ? ___ratelimit+0x3b4/0x672 [ 782.832731] ? trace_hardirqs_off_caller+0x310/0x310 [ 782.837837] ? trace_hardirqs_on+0x310/0x310 [ 782.842243] ? lock_downgrade+0x900/0x900 [ 782.846393] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 782.851706] ? ___ratelimit+0x3b9/0x672 [ 782.855677] ? idr_get_free+0xf70/0xf70 [ 782.859645] ? kasan_check_read+0x11/0x20 [ 782.863785] ? do_raw_spin_unlock+0xa7/0x330 [ 782.868198] oom_kill_process.cold.27+0x10/0x903 [ 782.872961] ? zap_class+0x640/0x640 [ 782.876667] ? _raw_spin_unlock+0x2c/0x50 [ 782.880809] ? oom_badness+0xe6/0xaa0 [ 782.884638] ? oom_evaluate_task+0x540/0x540 [ 782.889047] ? find_held_lock+0x36/0x1c0 [ 782.893107] ? out_of_memory+0x974/0x1430 [ 782.897249] ? lock_downgrade+0x900/0x900 [ 782.901392] ? check_preemption_disabled+0x48/0x280 [ 782.906410] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 782.911456] ? kasan_check_read+0x11/0x20 [ 782.915598] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 782.920866] ? rcu_softirq_qs+0x20/0x20 [ 782.924849] ? kasan_check_write+0x14/0x20 [ 782.929075] ? oom_evaluate_task+0x302/0x540 [ 782.933480] out_of_memory+0xa84/0x1430 [ 782.937455] ? oom_killer_disable+0x3a0/0x3a0 [ 782.941949] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 782.946877] ? __ww_mutex_check_waiters+0x160/0x160 [ 782.952126] __alloc_pages_slowpath+0x2354/0x2e10 [ 782.956990] ? warn_alloc+0x120/0x120 [ 782.960785] ? mark_held_locks+0x130/0x130 [ 782.965018] ? find_get_entry+0xaae/0x1120 [ 782.969254] ? filemap_map_pages+0x1a20/0x1a20 [ 782.973851] ? zap_class+0x640/0x640 [ 782.977566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 782.983112] ? check_preemption_disabled+0x48/0x280 [ 782.988125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 782.993657] ? should_fail+0x22d/0xd01 [ 782.997552] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 783.002657] ? zap_class+0x640/0x640 [ 783.006389] ? __lock_is_held+0xb5/0x140 [ 783.010450] ? mark_held_locks+0x130/0x130 [ 783.014704] ? lock_release+0xa00/0xa00 [ 783.018672] ? perf_trace_sched_process_exec+0x860/0x860 [ 783.024119] ? xa_load+0x2ba/0x460 [ 783.027655] ? lock_downgrade+0x900/0x900 [ 783.031801] ? __might_sleep+0x95/0x190 [ 783.035794] __alloc_pages_nodemask+0xa80/0xde0 [ 783.040470] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 783.045479] ? __page_cache_alloc+0x191/0x5c0 [ 783.049980] ? xa_load+0x2e1/0x460 [ 783.053780] ? xa_clear_mark+0x40/0x40 [ 783.057665] ? zap_class+0x640/0x640 [ 783.061383] ? zap_class+0x640/0x640 [ 783.065093] ? zap_class+0x640/0x640 [ 783.068824] ? __do_page_cache_readahead+0x663/0x810 [ 783.073949] ? find_held_lock+0x36/0x1c0 [ 783.078018] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 783.083559] alloc_pages_current+0x173/0x350 [ 783.087965] __page_cache_alloc+0x38c/0x5c0 [ 783.092284] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 783.097209] ? kasan_check_read+0x11/0x20 [ 783.101361] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 783.106630] ? generic_perform_write+0x6a0/0x6a0 [ 783.111379] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 783.116911] ? check_preemption_disabled+0x48/0x280 [ 783.121944] filemap_fault+0x1595/0x25f0 [ 783.126015] ? __lock_page_or_retry+0xa00/0xa00 [ 783.130678] ? mark_held_locks+0x130/0x130 [ 783.134933] ? filemap_map_pages+0xd6b/0x1a20 [ 783.139440] ? lock_downgrade+0x900/0x900 [ 783.143577] ? check_preemption_disabled+0x48/0x280 [ 783.148587] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 783.153727] ? kasan_check_read+0x11/0x20 [ 783.157872] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 783.163141] ? rcu_softirq_qs+0x20/0x20 [ 783.167121] ? filemap_map_pages+0xd92/0x1a20 [ 783.171616] ? find_get_entries_tag+0x1400/0x1400 [ 783.176455] ? futex_wake+0x760/0x760 [ 783.180261] ? lock_acquire+0x1ed/0x520 [ 783.184248] ? ext4_filemap_fault+0x7a/0xad [ 783.188567] ? lock_release+0xa00/0xa00 [ 783.192531] ? perf_trace_sched_process_exec+0x860/0x860 [ 783.197969] ? print_usage_bug+0xc0/0xc0 [ 783.202039] ? print_usage_bug+0xc0/0xc0 [ 783.206100] ? down_read+0x8d/0x120 [ 783.209731] ? ext4_filemap_fault+0x7a/0xad [ 783.214043] ? __down_interruptible+0x700/0x700 [ 783.218727] ext4_filemap_fault+0x82/0xad [ 783.222871] __do_fault+0x100/0x6b0 [ 783.226512] ? pmd_devmap_trans_unstable+0x220/0x220 [ 783.231612] ? mark_held_locks+0x130/0x130 [ 783.235844] ? mark_held_locks+0x130/0x130 [ 783.240086] ? __might_fault+0x12b/0x1e0 [ 783.244143] ? lock_downgrade+0x900/0x900 [ 783.248290] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 783.254130] __handle_mm_fault+0x3ea0/0x5be0 [ 783.258545] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 783.263387] ? kasan_check_read+0x11/0x20 [ 783.267525] ? _copy_to_user+0xc8/0x110 [ 783.271509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 783.277051] ? zap_class+0x640/0x640 [ 783.280759] ? zap_class+0x640/0x640 [ 783.284472] ? find_held_lock+0x36/0x1c0 [ 783.288616] ? handle_mm_fault+0x42a/0xc70 [ 783.292864] ? lock_downgrade+0x900/0x900 [ 783.297030] ? check_preemption_disabled+0x48/0x280 [ 783.302039] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 783.306958] ? kasan_check_read+0x11/0x20 [ 783.311198] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 783.316485] ? rcu_softirq_qs+0x20/0x20 [ 783.320543] ? trace_hardirqs_off_caller+0x310/0x310 [ 783.325641] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 783.331172] ? check_preemption_disabled+0x48/0x280 [ 783.336192] handle_mm_fault+0x54f/0xc70 [ 783.340250] ? __handle_mm_fault+0x5be0/0x5be0 [ 783.344833] ? find_vma+0x34/0x190 [ 783.348369] __do_page_fault+0x5e8/0xe60 [ 783.352667] ? trace_hardirqs_off+0xb8/0x310 [ 783.357076] do_page_fault+0xf2/0x7e0 [ 783.360867] ? vmalloc_sync_all+0x30/0x30 [ 783.365007] ? error_entry+0x70/0xd0 [ 783.368709] ? trace_hardirqs_off_caller+0xbb/0x310 [ 783.373712] ? trace_hardirqs_on_caller+0xc0/0x310 [ 783.378634] ? syscall_return_slowpath+0x5e0/0x5e0 [ 783.383643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 783.388479] ? trace_hardirqs_on_caller+0x310/0x310 [ 783.393482] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 783.398926] ? prepare_exit_to_usermode+0x291/0x3b0 [ 783.403955] ? page_fault+0x8/0x30 [ 783.407486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 783.412323] ? page_fault+0x8/0x30 [ 783.415855] page_fault+0x1e/0x30 [ 783.419300] RIP: 0033:0x407e06 [ 783.422501] Code: Bad RIP value. [ 783.425855] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 783.431210] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 783.438482] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 783.445742] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 783.453354] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 783.460617] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 783.467909] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 783.467968] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 783.474835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 783.474855] Workqueue: events_power_efficient neigh_periodic_work [ 783.474865] Call Trace: [ 783.481388] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 783.490685] dump_stack+0x244/0x39d [ 783.496885] syz-fuzzer cpuset=/ mems_allowed=0 [ 783.499455] ? dump_stack_print_info.cold.1+0x20/0x20 [ 783.523028] warn_alloc.cold.116+0xb7/0x1bd [ 783.527361] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 783.532199] ? lock_downgrade+0x900/0x900 [ 783.536347] ? trace_hardirqs_off+0xb8/0x310 [ 783.540761] ? trace_hardirqs_off+0xb8/0x310 [ 783.545170] __alloc_pages_slowpath+0x26e8/0x2e10 [ 783.550039] ? warn_alloc+0x120/0x120 [ 783.554292] ? warn_alloc+0x120/0x120 [ 783.558094] ? check_preemption_disabled+0x48/0x280 [ 783.563112] ? warn_alloc+0x120/0x120 [ 783.566921] ? zap_class+0x640/0x640 [ 783.570641] ? print_usage_bug+0xc0/0xc0 [ 783.574700] ? print_usage_bug+0xc0/0xc0 [ 783.578757] ? __lock_acquire+0x62f/0x4c20 [ 783.583005] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 783.588553] ? should_fail+0x22d/0xd01 [ 783.592439] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 783.597534] ? __lock_acquire+0x62f/0x4c20 [ 783.601768] ? __lock_acquire+0x62f/0x4c20 [ 783.606003] ? should_fail+0x22d/0xd01 [ 783.609895] ? mark_held_locks+0x130/0x130 [ 783.614133] ? mark_held_locks+0x130/0x130 [ 783.618370] ? pick_next_task_fair+0xa05/0x1b30 [ 783.623041] ? rcu_read_lock_sched_held+0x14f/0x180 [ 783.628065] ? zap_class+0x640/0x640 [ 783.631787] ? zap_class+0x640/0x640 [ 783.635505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 783.641044] ? check_preemption_disabled+0x48/0x280 [ 783.646068] ? __lock_is_held+0xb5/0x140 [ 783.650130] __alloc_pages_nodemask+0xa80/0xde0 [ 783.655318] ? zap_class+0x640/0x640 [ 783.659031] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 783.664058] ? find_held_lock+0x36/0x1c0 [ 783.668127] ? ____cache_alloc_node+0x1c7/0x1e0 [ 783.672809] ? lock_downgrade+0x900/0x900 [ 783.676961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 783.682497] cache_grow_begin+0xa5/0x8c0 [ 783.686551] ? do_raw_spin_unlock+0xa7/0x330 [ 783.690963] fallback_alloc+0x204/0x2e0 [ 783.694943] ____cache_alloc_node+0x1c7/0x1e0 [ 783.699438] kmem_cache_alloc_node+0xe3/0x730 [ 783.703946] ? zap_class+0x640/0x640 [ 783.707656] ? __sched_text_start+0x8/0x8 [ 783.711820] __alloc_skb+0x119/0x770 [ 783.715527] ? zap_class+0x640/0x640 [ 783.719243] ? netdev_alloc_frag+0x1f0/0x1f0 [ 783.723658] ? neigh_periodic_work+0x8ca/0xc60 [ 783.728237] ? lock_downgrade+0x900/0x900 [ 783.732389] ? kasan_check_read+0x11/0x20 [ 783.736540] ? do_raw_write_lock+0x14f/0x310 [ 783.740952] __neigh_notify+0x8c/0x160 [ 783.744848] neigh_cleanup_and_release+0x7b/0xe0 [ 783.749596] neigh_periodic_work+0x8d2/0xc60 [ 783.754541] ? neigh_table_clear+0x390/0x390 [ 783.758947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 783.764475] ? check_preemption_disabled+0x48/0x280 [ 783.769521] ? __lock_is_held+0xb5/0x140 [ 783.773591] process_one_work+0xc90/0x1c40 [ 783.777826] ? mark_held_locks+0x130/0x130 [ 783.782064] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 783.786737] ? __switch_to_asm+0x40/0x70 [ 783.790796] ? __switch_to_asm+0x40/0x70 [ 783.794852] ? __switch_to_asm+0x34/0x70 [ 783.798909] ? __switch_to_asm+0x40/0x70 [ 783.802986] ? __switch_to_asm+0x34/0x70 [ 783.807047] ? __switch_to_asm+0x40/0x70 [ 783.811103] ? __switch_to_asm+0x34/0x70 [ 783.815165] ? __switch_to_asm+0x40/0x70 [ 783.819335] ? __schedule+0x8d7/0x21d0 [ 783.823218] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 783.828330] ? zap_class+0x640/0x640 [ 783.832067] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 783.836840] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 783.841434] ? lock_acquire+0x1ed/0x520 [ 783.845399] ? worker_thread+0x3e0/0x1390 [ 783.849541] ? kasan_check_read+0x11/0x20 [ 783.854178] ? do_raw_spin_lock+0x14f/0x350 [ 783.858491] ? kasan_check_read+0x11/0x20 [ 783.862635] ? rwlock_bug.part.2+0x90/0x90 [ 783.866866] ? trace_hardirqs_on+0x310/0x310 [ 783.871285] worker_thread+0x17f/0x1390 [ 783.875271] ? __switch_to_asm+0x34/0x70 [ 783.879342] ? process_one_work+0x1c40/0x1c40 [ 783.883850] ? __sched_text_start+0x8/0x8 [ 783.888024] ? __kthread_parkme+0xce/0x1a0 [ 783.892347] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 783.897444] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 783.902667] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 783.907250] ? trace_hardirqs_on+0xbd/0x310 [ 783.911566] ? kasan_check_read+0x11/0x20 [ 783.915710] ? __kthread_parkme+0xce/0x1a0 [ 783.919944] ? trace_hardirqs_off_caller+0x310/0x310 [ 783.925053] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 783.930153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 783.935685] ? __kthread_parkme+0xfb/0x1a0 [ 783.939916] ? process_one_work+0x1c40/0x1c40 [ 783.944503] kthread+0x35a/0x440 [ 783.947873] ? kthread_stop+0x900/0x900 [ 783.952357] ret_from_fork+0x3a/0x50 [ 783.956171] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 783.956176] warn_alloc_show_mem: 1 callbacks suppressed [ 783.956183] Mem-Info: [ 783.963197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 783.968561] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 783.968561] active_file:32 inactive_file:0 isolated_file:0 [ 783.968561] unevictable:0 dirty:0 writeback:0 unstable:0 [ 783.968561] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 783.968561] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 783.968561] free:13730 free_pcp:227 free_cma:0 [ 783.970930] Call Trace: [ 783.980312] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 784.013334] [ 784.015904] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 784.043833] dump_stack+0x244/0x39d [ 784.045950] lowmem_reserve[]: 0 2818 6321 6321 [ 784.072332] ? dump_stack_print_info.cold.1+0x20/0x20 [ 784.075930] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 784.080513] warn_alloc.cold.116+0xb7/0x1bd [ 784.085659] lowmem_reserve[]: 0 0 3503 3503 [ 784.113279] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 784.117574] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 784.121887] ? lock_downgrade+0x900/0x900 [ 784.126706] lowmem_reserve[]: 0 0 0 0 [ 784.156130] ? trace_hardirqs_off+0xb8/0x310 [ 784.160244] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 784.164035] ? trace_hardirqs_off+0xb8/0x310 [ 784.168429] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 784.181943] __alloc_pages_slowpath+0x26e8/0x2e10 [ 784.186319] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 784.201171] ? warn_alloc+0x120/0x120 [ 784.205971] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 784.220080] ? print_usage_bug+0xc0/0xc0 [ 784.223861] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 784.232672] ? warn_alloc+0x120/0x120 [ 784.236715] 6658 total pagecache pages [ 784.245271] ? warn_alloc+0x120/0x120 [ 784.249064] 0 pages in swap cache [ 784.253162] ? print_usage_bug+0xc0/0xc0 [ 784.256936] Swap cache stats: add 0, delete 0, find 0/0 [ 784.260377] ? print_usage_bug+0xc0/0xc0 [ 784.264410] Free swap = 0kB [ 784.269762] ? __lock_acquire+0x62f/0x4c20 [ 784.273802] Total swap = 0kB [ 784.276814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 784.281014] 1965979 pages RAM [ 784.284020] ? should_fail+0x22d/0xd01 [ 784.289524] 0 pages HighMem/MovableOnly [ 784.292618] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 784.296490] 342853 pages reserved [ 784.300464] ? __lock_acquire+0x62f/0x4c20 [ 784.305537] 0 pages cma reserved [ 784.308979] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 784.313297] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 784.316532] ? __lock_acquire+0x62f/0x4c20 [ 784.321608] kworker/1:0 cpuset=/ mems_allowed=0 [ 784.331900] ? should_fail+0x22d/0xd01 [ 784.331915] ? find_held_lock+0x36/0x1c0 [ 784.348796] ? mark_held_locks+0x130/0x130 [ 784.353282] ? mark_held_locks+0x130/0x130 [ 784.357534] ? zap_class+0x640/0x640 [ 784.361243] ? zap_class+0x640/0x640 [ 784.364949] ? print_usage_bug+0xc0/0xc0 [ 784.369002] ? do_raw_spin_unlock+0xa7/0x330 [ 784.373404] ? zap_class+0x640/0x640 [ 784.377110] ? print_usage_bug+0xc0/0xc0 [ 784.381165] ? wq_watchdog_touch+0x9c/0xfe [ 784.385411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 784.390943] ? check_preemption_disabled+0x48/0x280 [ 784.395965] ? __lock_is_held+0xb5/0x140 [ 784.400027] __alloc_pages_nodemask+0xa80/0xde0 [ 784.404716] ? zap_class+0x640/0x640 [ 784.408440] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 784.413462] ? find_held_lock+0x36/0x1c0 [ 784.417530] ? ____cache_alloc_node+0x1c7/0x1e0 [ 784.422196] ? lock_downgrade+0x900/0x900 [ 784.426349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 784.431883] cache_grow_begin+0xa5/0x8c0 [ 784.435937] ? do_raw_spin_unlock+0xa7/0x330 [ 784.440364] fallback_alloc+0x204/0x2e0 [ 784.444341] ____cache_alloc_node+0x1c7/0x1e0 [ 784.448836] kmem_cache_alloc_node+0xe3/0x730 [ 784.453562] ? ipv6_get_ifaddr+0x42e/0x620 [ 784.457812] __alloc_skb+0x119/0x770 [ 784.461519] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 784.466886] ? netdev_alloc_frag+0x1f0/0x1f0 [ 784.471291] ? lock_downgrade+0x900/0x900 [ 784.475441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 784.480987] ? refcount_sub_and_test_checked+0x203/0x310 [ 784.486447] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 784.491895] ? addrconf_rs_timer+0x690/0x690 [ 784.496310] ndisc_alloc_skb+0x144/0x340 [ 784.500369] ndisc_send_rs+0x331/0x6e0 [ 784.504255] addrconf_rs_timer+0x314/0x690 [ 784.508489] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 784.512727] call_timer_fn+0x272/0x920 [ 784.516609] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 784.520834] ? process_timeout+0x40/0x40 [ 784.524899] ? mark_held_locks+0xc7/0x130 [ 784.529042] ? _raw_spin_unlock_irq+0x27/0x80 [ 784.533535] ? _raw_spin_unlock_irq+0x27/0x80 [ 784.538020] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 784.542246] ? lockdep_hardirqs_on+0x296/0x5b0 [ 784.546844] ? trace_hardirqs_on+0xbd/0x310 [ 784.551158] ? kasan_check_read+0x11/0x20 [ 784.555591] ? __run_timers+0x7da/0xc70 [ 784.559593] ? trace_hardirqs_off_caller+0x310/0x310 [ 784.564693] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 784.568924] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 784.573236] __run_timers+0x7e5/0xc70 [ 784.577035] ? timer_fixup_init+0x70/0x70 [ 784.581262] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 784.586271] ? zap_class+0x640/0x640 [ 784.589984] ? print_usage_bug+0xc0/0xc0 [ 784.594126] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 784.599312] ? find_held_lock+0x36/0x1c0 [ 784.603466] ? zap_class+0x640/0x640 [ 784.607179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 784.612709] ? check_preemption_disabled+0x48/0x280 [ 784.617727] ? __lock_is_held+0xb5/0x140 [ 784.621823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 784.627358] ? check_preemption_disabled+0x48/0x280 [ 784.632392] run_timer_softirq+0x52/0xb0 [ 784.636445] ? rcu_read_lock_sched_held+0x14f/0x180 [ 784.641454] __do_softirq+0x308/0xb7e [ 784.645265] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 784.649755] ? lock_downgrade+0x900/0x900 [ 784.654131] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 784.659739] ? pvclock_read_flags+0x160/0x160 [ 784.664244] ? lapic_next_event+0x5a/0x90 [ 784.668393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 784.673928] ? kvm_clock_read+0x18/0x30 [ 784.677898] ? kvm_sched_clock_read+0x9/0x20 [ 784.682301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 784.687829] ? check_preemption_disabled+0x48/0x280 [ 784.692867] irq_exit+0x17f/0x1c0 [ 784.696311] smp_apic_timer_interrupt+0x1cb/0x760 [ 784.701144] ? smp_reschedule_interrupt+0x109/0x650 [ 784.706162] ? smp_call_function_single_interrupt+0x650/0x650 [ 784.712039] ? interrupt_entry+0xb5/0xc0 [ 784.716093] ? trace_hardirqs_off_caller+0xbb/0x310 [ 784.721103] ? trace_hardirqs_off_caller+0xbb/0x310 [ 784.726113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 784.730947] ? trace_hardirqs_on_caller+0x310/0x310 [ 784.735953] ? trace_hardirqs_on_caller+0x310/0x310 [ 784.740960] ? task_prio+0x50/0x50 [ 784.744493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 784.750024] ? check_preemption_disabled+0x48/0x280 [ 784.755279] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 784.760122] apic_timer_interrupt+0xf/0x20 [ 784.764354] [ 784.766584] RIP: 0010:console_unlock+0x102f/0x1190 [ 784.771508] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 784.790992] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 784.798697] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 784.805957] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 784.813231] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 784.820507] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 784.827783] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 784.835090] ? netconsole_netdev_event+0x280/0x280 [ 784.840019] ? console_unlock+0x1026/0x1190 [ 784.844353] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 784.849018] ? vprintk_emit+0x846/0x990 [ 784.853237] ? lock_release+0xa00/0xa00 [ 784.857208] ? trace_hardirqs_on+0x70/0x310 [ 784.861523] ? vprintk_default+0x28/0x30 [ 784.865585] ? trace_hardirqs_off_caller+0x310/0x310 [ 784.870684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 784.876222] vprintk_emit+0x391/0x990 [ 784.880024] ? wake_up_klogd+0x180/0x180 [ 784.884088] ? find_held_lock+0x11/0x1c0 [ 784.888239] ? mark_held_locks+0xc7/0x130 [ 784.892381] ? _raw_spin_unlock_irq+0x27/0x80 [ 784.896867] ? _raw_spin_unlock_irq+0x27/0x80 [ 784.901363] vprintk_default+0x28/0x30 [ 784.905245] vprintk_func+0x7e/0x181 [ 784.908953] printk+0xa7/0xcf [ 784.912052] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 784.916821] ? _raw_spin_unlock_irq+0x60/0x80 [ 784.921324] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 784.926600] dump_header+0x7cc/0xf72 [ 784.930319] ? pagefault_out_of_memory+0x197/0x197 [ 784.935249] ? __lock_acquire+0x62f/0x4c20 [ 784.939488] ? print_usage_bug+0xc0/0xc0 [ 784.943549] ? zap_class+0x640/0x640 [ 784.947292] ? zap_class+0x640/0x640 [ 784.951000] ? print_usage_bug+0xc0/0xc0 [ 784.955300] ? print_usage_bug+0xc0/0xc0 [ 784.959360] ? find_held_lock+0x36/0x1c0 [ 784.963426] ? mark_held_locks+0xc7/0x130 [ 784.967575] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 784.972667] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 784.977775] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 784.982351] ? trace_hardirqs_on+0xbd/0x310 [ 784.986666] ? kasan_check_read+0x11/0x20 [ 784.990807] ? ___ratelimit+0x3b4/0x672 [ 784.994785] ? trace_hardirqs_off_caller+0x310/0x310 [ 784.999881] ? trace_hardirqs_on+0x310/0x310 [ 785.004293] ? lock_downgrade+0x900/0x900 [ 785.008433] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 785.013527] ? ___ratelimit+0x3b9/0x672 [ 785.017497] ? idr_get_free+0xf70/0xf70 [ 785.021466] ? kasan_check_read+0x11/0x20 [ 785.025604] ? do_raw_spin_unlock+0xa7/0x330 [ 785.030012] oom_kill_process.cold.27+0x10/0x903 [ 785.034773] ? zap_class+0x640/0x640 [ 785.038480] ? _raw_spin_unlock+0x2c/0x50 [ 785.042618] ? oom_badness+0xe6/0xaa0 [ 785.046418] ? oom_evaluate_task+0x540/0x540 [ 785.050823] ? find_held_lock+0x36/0x1c0 [ 785.055129] ? out_of_memory+0x974/0x1430 [ 785.059269] ? lock_downgrade+0x900/0x900 [ 785.063411] ? check_preemption_disabled+0x48/0x280 [ 785.068421] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 785.073341] ? kasan_check_read+0x11/0x20 [ 785.077483] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 785.082756] ? rcu_softirq_qs+0x20/0x20 [ 785.086732] ? kasan_check_write+0x14/0x20 [ 785.090972] ? oom_evaluate_task+0x302/0x540 [ 785.095380] out_of_memory+0xa84/0x1430 [ 785.099352] ? oom_killer_disable+0x3a0/0x3a0 [ 785.103844] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 785.108860] ? __ww_mutex_check_waiters+0x160/0x160 [ 785.114226] __alloc_pages_slowpath+0x2354/0x2e10 [ 785.119086] ? warn_alloc+0x120/0x120 [ 785.122880] ? mark_held_locks+0x130/0x130 [ 785.127113] ? find_get_entry+0xaae/0x1120 [ 785.131371] ? filemap_map_pages+0x1a20/0x1a20 [ 785.135973] ? zap_class+0x640/0x640 [ 785.139693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 785.145230] ? check_preemption_disabled+0x48/0x280 [ 785.150244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 785.156049] ? should_fail+0x22d/0xd01 [ 785.159952] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 785.165053] ? zap_class+0x640/0x640 [ 785.168804] ? __lock_is_held+0xb5/0x140 [ 785.172867] ? mark_held_locks+0x130/0x130 [ 785.177098] ? lock_release+0xa00/0xa00 [ 785.181066] ? perf_trace_sched_process_exec+0x860/0x860 [ 785.186511] ? xa_load+0x2ba/0x460 [ 785.190044] ? lock_downgrade+0x900/0x900 [ 785.194190] ? __might_sleep+0x95/0x190 [ 785.198158] __alloc_pages_nodemask+0xa80/0xde0 [ 785.202927] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 785.207937] ? __page_cache_alloc+0x191/0x5c0 [ 785.212418] ? xa_load+0x2e1/0x460 [ 785.215953] ? xa_clear_mark+0x40/0x40 [ 785.219847] ? zap_class+0x640/0x640 [ 785.223559] ? zap_class+0x640/0x640 [ 785.227264] ? zap_class+0x640/0x640 [ 785.230973] ? __do_page_cache_readahead+0x663/0x810 [ 785.236076] ? find_held_lock+0x36/0x1c0 [ 785.240134] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 785.245669] alloc_pages_current+0x173/0x350 [ 785.250080] __page_cache_alloc+0x38c/0x5c0 [ 785.254596] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 785.259518] ? kasan_check_read+0x11/0x20 [ 785.263660] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 785.269028] ? generic_perform_write+0x6a0/0x6a0 [ 785.273786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 785.279318] ? check_preemption_disabled+0x48/0x280 [ 785.284332] filemap_fault+0x1595/0x25f0 [ 785.288394] ? __lock_page_or_retry+0xa00/0xa00 [ 785.293062] ? mark_held_locks+0x130/0x130 [ 785.297299] ? filemap_map_pages+0xd6b/0x1a20 [ 785.301787] ? lock_downgrade+0x900/0x900 [ 785.305931] ? check_preemption_disabled+0x48/0x280 [ 785.310941] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 785.315871] ? kasan_check_read+0x11/0x20 [ 785.320005] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 785.325276] ? rcu_softirq_qs+0x20/0x20 [ 785.329258] ? filemap_map_pages+0xd92/0x1a20 [ 785.333791] ? find_get_entries_tag+0x1400/0x1400 [ 785.338630] ? futex_wake+0x760/0x760 [ 785.342431] ? lock_acquire+0x1ed/0x520 [ 785.346484] ? ext4_filemap_fault+0x7a/0xad [ 785.350811] ? lock_release+0xa00/0xa00 [ 785.355027] ? perf_trace_sched_process_exec+0x860/0x860 [ 785.360472] ? print_usage_bug+0xc0/0xc0 [ 785.364524] ? print_usage_bug+0xc0/0xc0 [ 785.368583] ? down_read+0x8d/0x120 [ 785.372214] ? ext4_filemap_fault+0x7a/0xad [ 785.376530] ? __down_interruptible+0x700/0x700 [ 785.381197] ext4_filemap_fault+0x82/0xad [ 785.385347] __do_fault+0x100/0x6b0 [ 785.388967] ? pmd_devmap_trans_unstable+0x220/0x220 [ 785.394067] ? mark_held_locks+0x130/0x130 [ 785.398310] ? mark_held_locks+0x130/0x130 [ 785.402538] ? __might_fault+0x12b/0x1e0 [ 785.406609] ? lock_downgrade+0x900/0x900 [ 785.410760] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 785.416293] __handle_mm_fault+0x3ea0/0x5be0 [ 785.420702] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 785.425551] ? kasan_check_read+0x11/0x20 [ 785.429689] ? _copy_to_user+0xc8/0x110 [ 785.433659] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 785.439198] ? zap_class+0x640/0x640 [ 785.442904] ? zap_class+0x640/0x640 [ 785.446618] ? find_held_lock+0x36/0x1c0 [ 785.450703] ? handle_mm_fault+0x42a/0xc70 [ 785.455161] ? lock_downgrade+0x900/0x900 [ 785.459302] ? check_preemption_disabled+0x48/0x280 [ 785.464314] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 785.469235] ? kasan_check_read+0x11/0x20 [ 785.473376] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 785.478641] ? rcu_softirq_qs+0x20/0x20 [ 785.482611] ? trace_hardirqs_off_caller+0x310/0x310 [ 785.487792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 785.493322] ? check_preemption_disabled+0x48/0x280 [ 785.498337] handle_mm_fault+0x54f/0xc70 [ 785.502394] ? __handle_mm_fault+0x5be0/0x5be0 [ 785.506970] ? find_vma+0x34/0x190 [ 785.510512] __do_page_fault+0x5e8/0xe60 [ 785.514569] ? trace_hardirqs_off+0xb8/0x310 [ 785.518986] do_page_fault+0xf2/0x7e0 [ 785.522788] ? vmalloc_sync_all+0x30/0x30 [ 785.526933] ? error_entry+0x70/0xd0 [ 785.530725] ? trace_hardirqs_off_caller+0xbb/0x310 [ 785.535761] ? trace_hardirqs_on_caller+0xc0/0x310 [ 785.540682] ? syscall_return_slowpath+0x5e0/0x5e0 [ 785.545606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 785.550441] ? trace_hardirqs_on_caller+0x310/0x310 [ 785.555769] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 785.561226] ? prepare_exit_to_usermode+0x291/0x3b0 [ 785.566232] ? page_fault+0x8/0x30 [ 785.569770] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 785.574610] ? page_fault+0x8/0x30 [ 785.578146] page_fault+0x1e/0x30 [ 785.581586] RIP: 0033:0x407e06 [ 785.584881] Code: Bad RIP value. [ 785.588233] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 785.593585] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 785.600849] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 785.608108] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 785.615370] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 785.622634] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 785.630095] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 785.630161] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 785.637022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 785.637041] Workqueue: events_power_efficient neigh_periodic_work [ 785.637048] Call Trace: [ 785.637068] dump_stack+0x244/0x39d [ 785.643628] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 785.653175] ? dump_stack_print_info.cold.1+0x20/0x20 [ 785.659813] syz-fuzzer cpuset=/ mems_allowed=0 [ 785.662393] warn_alloc.cold.116+0xb7/0x1bd [ 785.690247] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 785.695090] ? lock_downgrade+0x900/0x900 [ 785.699326] ? trace_hardirqs_off+0xb8/0x310 [ 785.703738] ? trace_hardirqs_off+0xb8/0x310 [ 785.708150] __alloc_pages_slowpath+0x26e8/0x2e10 [ 785.713003] ? warn_alloc+0x120/0x120 [ 785.716804] ? warn_alloc+0x120/0x120 [ 785.720603] ? check_preemption_disabled+0x48/0x280 [ 785.725608] ? warn_alloc+0x120/0x120 [ 785.729396] ? print_usage_bug+0xc0/0xc0 [ 785.733446] ? __lock_acquire+0x62f/0x4c20 [ 785.737692] ? print_usage_bug+0xc0/0xc0 [ 785.741751] ? __lock_acquire+0x62f/0x4c20 [ 785.745989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 785.751522] ? should_fail+0x22d/0xd01 [ 785.755679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 785.760789] ? __lock_acquire+0x62f/0x4c20 [ 785.765018] ? __lock_acquire+0x62f/0x4c20 [ 785.769241] ? should_fail+0x22d/0xd01 [ 785.773126] ? mark_held_locks+0x130/0x130 [ 785.777364] ? mark_held_locks+0x130/0x130 [ 785.781603] ? mark_held_locks+0xc7/0x130 [ 785.785751] ? zap_class+0x640/0x640 [ 785.789542] ? zap_class+0x640/0x640 [ 785.793255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 785.798783] ? check_preemption_disabled+0x48/0x280 [ 785.803883] ? __lock_is_held+0xb5/0x140 [ 785.807940] __alloc_pages_nodemask+0xa80/0xde0 [ 785.812602] ? zap_class+0x640/0x640 [ 785.816402] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 785.821425] ? find_held_lock+0x36/0x1c0 [ 785.825503] ? ____cache_alloc_node+0x1c7/0x1e0 [ 785.830662] ? lock_downgrade+0x900/0x900 [ 785.834834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 785.840372] cache_grow_begin+0xa5/0x8c0 [ 785.844421] ? do_raw_spin_unlock+0xa7/0x330 [ 785.848822] fallback_alloc+0x204/0x2e0 [ 785.853081] ____cache_alloc_node+0x1c7/0x1e0 [ 785.857571] kmem_cache_alloc_node+0xe3/0x730 [ 785.862057] ? zap_class+0x640/0x640 [ 785.865789] __alloc_skb+0x119/0x770 [ 785.869499] ? netdev_alloc_frag+0x1f0/0x1f0 [ 785.873924] ? neigh_periodic_work+0x8ca/0xc60 [ 785.878500] ? lock_downgrade+0x900/0x900 [ 785.882663] ? kasan_check_read+0x11/0x20 [ 785.886802] ? do_raw_write_lock+0x14f/0x310 [ 785.891213] __neigh_notify+0x8c/0x160 [ 785.895100] neigh_cleanup_and_release+0x7b/0xe0 [ 785.899847] neigh_periodic_work+0x8d2/0xc60 [ 785.904256] ? neigh_table_clear+0x390/0x390 [ 785.908660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 785.914208] ? check_preemption_disabled+0x48/0x280 [ 785.919228] ? __lock_is_held+0xb5/0x140 [ 785.923303] process_one_work+0xc90/0x1c40 [ 785.927529] ? mark_held_locks+0x130/0x130 [ 785.931777] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 785.936542] ? __switch_to_asm+0x40/0x70 [ 785.940596] ? __switch_to_asm+0x40/0x70 [ 785.944650] ? __switch_to_asm+0x34/0x70 [ 785.948699] ? __switch_to_asm+0x40/0x70 [ 785.953070] ? __switch_to_asm+0x34/0x70 [ 785.957119] ? __switch_to_asm+0x40/0x70 [ 785.961170] ? __switch_to_asm+0x34/0x70 [ 785.965228] ? __switch_to_asm+0x40/0x70 [ 785.969396] ? __schedule+0x8d7/0x21d0 [ 785.973270] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 785.977893] ? zap_class+0x640/0x640 [ 785.981604] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 785.986360] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 785.990952] ? lock_acquire+0x1ed/0x520 [ 785.994920] ? worker_thread+0x3e0/0x1390 [ 785.999065] ? kasan_check_read+0x11/0x20 [ 786.003199] ? do_raw_spin_lock+0x14f/0x350 [ 786.007504] ? kasan_check_read+0x11/0x20 [ 786.011641] ? rwlock_bug.part.2+0x90/0x90 [ 786.015880] ? trace_hardirqs_on+0x310/0x310 [ 786.020288] worker_thread+0x17f/0x1390 [ 786.024252] ? __switch_to_asm+0x34/0x70 [ 786.028322] ? process_one_work+0x1c40/0x1c40 [ 786.032836] ? __sched_text_start+0x8/0x8 [ 786.036997] ? __kthread_parkme+0xce/0x1a0 [ 786.041246] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 786.046342] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 786.051440] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 786.056531] ? trace_hardirqs_on+0xbd/0x310 [ 786.060849] ? kasan_check_read+0x11/0x20 [ 786.064989] ? __kthread_parkme+0xce/0x1a0 [ 786.069253] ? trace_hardirqs_off_caller+0x310/0x310 [ 786.074361] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 786.079457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 786.084989] ? __kthread_parkme+0xfb/0x1a0 [ 786.089220] ? process_one_work+0x1c40/0x1c40 [ 786.093715] kthread+0x35a/0x440 [ 786.097073] ? kthread_stop+0x900/0x900 [ 786.101039] ret_from_fork+0x3a/0x50 [ 786.104756] warn_alloc_show_mem: 1 callbacks suppressed [ 786.104766] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 786.104768] Mem-Info: [ 786.104799] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 786.104799] active_file:32 inactive_file:0 isolated_file:0 [ 786.104799] unevictable:0 dirty:0 writeback:0 unstable:0 [ 786.104799] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 786.104799] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 786.104799] free:13730 free_pcp:227 free_cma:0 [ 786.110148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 786.117155] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 786.119627] Call Trace: [ 786.152665] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 786.162244] [ 786.190064] lowmem_reserve[]: 0 2818 6321 6321 [ 786.192638] dump_stack+0x244/0x39d [ 786.218716] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 786.220859] ? dump_stack_print_info.cold.1+0x20/0x20 [ 786.225406] lowmem_reserve[]: 0 0 3503 3503 [ 786.229041] warn_alloc.cold.116+0xb7/0x1bd [ 786.256998] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 786.262180] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 786.266464] lowmem_reserve[]: 0 0 0 0 [ 786.270776] ? lock_downgrade+0x900/0x900 [ 786.299807] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 786.304641] ? trace_hardirqs_off+0xb8/0x310 [ 786.308408] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 786.312561] ? trace_hardirqs_off+0xb8/0x310 [ 786.326049] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 786.330466] __alloc_pages_slowpath+0x26e8/0x2e10 [ 786.345174] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 786.349587] ? warn_alloc+0x120/0x120 [ 786.364421] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 786.369248] ? print_usage_bug+0xc0/0xc0 [ 786.378050] 6658 total pagecache pages [ 786.381836] ? warn_alloc+0x120/0x120 [ 786.390493] 0 pages in swap cache [ 786.394539] ? warn_alloc+0x120/0x120 [ 786.398484] Swap cache stats: add 0, delete 0, find 0/0 [ 786.402264] ? print_usage_bug+0xc0/0xc0 [ 786.405685] Free swap = 0kB [ 786.409477] ? kvm_clock_read+0x18/0x30 [ 786.414809] Total swap = 0kB [ 786.418850] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 786.421839] 1965979 pages RAM [ 786.425799] ? print_usage_bug+0xc0/0xc0 [ 786.428784] 0 pages HighMem/MovableOnly [ 786.428791] 342853 pages reserved [ 786.433793] ? __lock_acquire+0x62f/0x4c20 [ 786.436870] 0 pages cma reserved [ 786.440917] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 786.461622] ? should_fail+0x22d/0xd01 [ 786.465514] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 786.467101] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 786.470805] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 786.481265] syz-executor0 cpuset=syz0 mems_allowed=0 [ 786.486351] ? __lock_acquire+0x62f/0x4c20 [ 786.495745] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 786.500840] ? __lock_acquire+0x62f/0x4c20 [ 786.505070] ? should_fail+0x22d/0xd01 [ 786.508951] ? rcu_irq_exit+0x1a2/0x390 [ 786.512931] ? mark_held_locks+0x130/0x130 [ 786.517163] ? mark_held_locks+0x130/0x130 [ 786.521396] ? mark_held_locks+0xc7/0x130 [ 786.525650] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 786.530659] ? zap_class+0x640/0x640 [ 786.534366] ? print_usage_bug+0xc0/0xc0 [ 786.538521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 786.544052] ? check_preemption_disabled+0x48/0x280 [ 786.549073] ? __lock_is_held+0xb5/0x140 [ 786.553415] __alloc_pages_nodemask+0xa80/0xde0 [ 786.558084] ? zap_class+0x640/0x640 [ 786.561799] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 786.566819] ? find_held_lock+0x36/0x1c0 [ 786.570886] ? ____cache_alloc_node+0x1c7/0x1e0 [ 786.575547] ? lock_downgrade+0x900/0x900 [ 786.579724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 786.585260] cache_grow_begin+0xa5/0x8c0 [ 786.589316] ? do_raw_spin_unlock+0xa7/0x330 [ 786.593734] fallback_alloc+0x204/0x2e0 [ 786.597731] ____cache_alloc_node+0x1c7/0x1e0 [ 786.602227] kmem_cache_alloc_node+0xe3/0x730 [ 786.606727] ? ipv6_get_ifaddr+0x42e/0x620 [ 786.610962] __alloc_skb+0x119/0x770 [ 786.614666] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 786.619947] ? netdev_alloc_frag+0x1f0/0x1f0 [ 786.624350] ? lock_downgrade+0x900/0x900 [ 786.628499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 786.634028] ? refcount_sub_and_test_checked+0x203/0x310 [ 786.639476] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 786.644922] ? addrconf_rs_timer+0x690/0x690 [ 786.649334] ndisc_alloc_skb+0x144/0x340 [ 786.653663] ndisc_send_rs+0x331/0x6e0 [ 786.657555] addrconf_rs_timer+0x314/0x690 [ 786.662256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 786.666497] call_timer_fn+0x272/0x920 [ 786.670377] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 786.674607] ? process_timeout+0x40/0x40 [ 786.678676] ? mark_held_locks+0xc7/0x130 [ 786.682848] ? _raw_spin_unlock_irq+0x27/0x80 [ 786.687332] ? _raw_spin_unlock_irq+0x27/0x80 [ 786.691841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 786.696074] ? lockdep_hardirqs_on+0x296/0x5b0 [ 786.700744] ? trace_hardirqs_on+0xbd/0x310 [ 786.705063] ? kasan_check_read+0x11/0x20 [ 786.709204] ? __run_timers+0x7da/0xc70 [ 786.713177] ? trace_hardirqs_off_caller+0x310/0x310 [ 786.718273] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 786.722506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 786.726732] __run_timers+0x7e5/0xc70 [ 786.730536] ? timer_fixup_init+0x70/0x70 [ 786.734678] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 786.739717] ? zap_class+0x640/0x640 [ 786.743430] ? print_usage_bug+0xc0/0xc0 [ 786.747486] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 786.752676] ? find_held_lock+0x36/0x1c0 [ 786.757024] ? zap_class+0x640/0x640 [ 786.760847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 786.766401] ? check_preemption_disabled+0x48/0x280 [ 786.771436] ? __lock_is_held+0xb5/0x140 [ 786.775500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 786.781029] ? check_preemption_disabled+0x48/0x280 [ 786.786043] run_timer_softirq+0x52/0xb0 [ 786.790731] ? rcu_read_lock_sched_held+0x14f/0x180 [ 786.795745] __do_softirq+0x308/0xb7e [ 786.799542] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 786.804033] ? lock_downgrade+0x900/0x900 [ 786.808178] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 786.813285] ? pvclock_read_flags+0x160/0x160 [ 786.817777] ? lapic_next_event+0x5a/0x90 [ 786.821922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 786.827455] ? kvm_clock_read+0x18/0x30 [ 786.831425] ? kvm_sched_clock_read+0x9/0x20 [ 786.835828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 786.841363] ? check_preemption_disabled+0x48/0x280 [ 786.846383] irq_exit+0x17f/0x1c0 [ 786.849833] smp_apic_timer_interrupt+0x1cb/0x760 [ 786.854939] ? smp_reschedule_interrupt+0x109/0x650 [ 786.860173] ? smp_call_function_single_interrupt+0x650/0x650 [ 786.866050] ? interrupt_entry+0xb5/0xc0 [ 786.870122] ? trace_hardirqs_off_caller+0xbb/0x310 [ 786.875129] ? trace_hardirqs_off_caller+0xbb/0x310 [ 786.880138] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 786.884976] ? trace_hardirqs_on_caller+0x310/0x310 [ 786.889989] ? trace_hardirqs_on_caller+0x310/0x310 [ 786.894995] ? task_prio+0x50/0x50 [ 786.898527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 786.904061] ? check_preemption_disabled+0x48/0x280 [ 786.909073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 786.913912] apic_timer_interrupt+0xf/0x20 [ 786.918138] [ 786.920371] RIP: 0010:console_unlock+0x102f/0x1190 [ 786.925293] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 786.944275] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 786.951971] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 786.959484] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 786.966747] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 786.974013] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 786.981276] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 786.988739] ? netconsole_netdev_event+0x280/0x280 [ 786.993667] ? console_unlock+0x1026/0x1190 [ 786.998011] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 787.002670] ? vprintk_emit+0x846/0x990 [ 787.006766] ? lock_release+0xa00/0xa00 [ 787.010735] ? trace_hardirqs_on+0x70/0x310 [ 787.015050] ? vprintk_default+0x28/0x30 [ 787.019106] ? trace_hardirqs_off_caller+0x310/0x310 [ 787.024203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 787.029742] vprintk_emit+0x391/0x990 [ 787.033566] ? wake_up_klogd+0x180/0x180 [ 787.037626] ? find_held_lock+0x11/0x1c0 [ 787.041702] ? mark_held_locks+0xc7/0x130 [ 787.045848] ? _raw_spin_unlock_irq+0x27/0x80 [ 787.050428] ? _raw_spin_unlock_irq+0x27/0x80 [ 787.055226] vprintk_default+0x28/0x30 [ 787.059114] vprintk_func+0x7e/0x181 [ 787.062828] printk+0xa7/0xcf [ 787.065930] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 787.070687] ? _raw_spin_unlock_irq+0x60/0x80 [ 787.075199] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 787.080475] dump_header+0x7cc/0xf72 [ 787.084190] ? pagefault_out_of_memory+0x197/0x197 [ 787.089116] ? __lock_acquire+0x62f/0x4c20 [ 787.093351] ? print_usage_bug+0xc0/0xc0 [ 787.097407] ? zap_class+0x640/0x640 [ 787.101107] ? zap_class+0x640/0x640 [ 787.104815] ? print_usage_bug+0xc0/0xc0 [ 787.108898] ? print_usage_bug+0xc0/0xc0 [ 787.112972] ? find_held_lock+0x36/0x1c0 [ 787.117034] ? mark_held_locks+0xc7/0x130 [ 787.121176] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 787.126271] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 787.131460] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 787.136038] ? trace_hardirqs_on+0xbd/0x310 [ 787.140376] ? kasan_check_read+0x11/0x20 [ 787.144514] ? ___ratelimit+0x3b4/0x672 [ 787.148480] ? trace_hardirqs_off_caller+0x310/0x310 [ 787.153874] ? trace_hardirqs_on+0x310/0x310 [ 787.158271] ? lock_downgrade+0x900/0x900 [ 787.162414] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 787.167512] ? ___ratelimit+0x3b9/0x672 [ 787.171481] ? idr_get_free+0xf70/0xf70 [ 787.175449] ? kasan_check_read+0x11/0x20 [ 787.179585] ? do_raw_spin_unlock+0xa7/0x330 [ 787.184003] oom_kill_process.cold.27+0x10/0x903 [ 787.188746] ? zap_class+0x640/0x640 [ 787.192450] ? _raw_spin_unlock+0x2c/0x50 [ 787.196593] ? oom_badness+0xe6/0xaa0 [ 787.200384] ? oom_evaluate_task+0x540/0x540 [ 787.204783] ? find_held_lock+0x36/0x1c0 [ 787.208858] ? out_of_memory+0x974/0x1430 [ 787.212999] ? lock_downgrade+0x900/0x900 [ 787.217141] ? check_preemption_disabled+0x48/0x280 [ 787.222166] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 787.227083] ? kasan_check_read+0x11/0x20 [ 787.231221] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 787.236525] ? rcu_softirq_qs+0x20/0x20 [ 787.240493] ? kasan_check_write+0x14/0x20 [ 787.244718] ? oom_evaluate_task+0x302/0x540 [ 787.249123] out_of_memory+0xa84/0x1430 [ 787.253481] ? oom_killer_disable+0x3a0/0x3a0 [ 787.257968] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 787.262915] ? __ww_mutex_check_waiters+0x160/0x160 [ 787.267932] __alloc_pages_slowpath+0x2354/0x2e10 [ 787.272879] ? warn_alloc+0x120/0x120 [ 787.276679] ? mark_held_locks+0x130/0x130 [ 787.280930] ? find_get_entry+0xaae/0x1120 [ 787.285166] ? filemap_map_pages+0x1a20/0x1a20 [ 787.289747] ? zap_class+0x640/0x640 [ 787.293472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 787.299003] ? check_preemption_disabled+0x48/0x280 [ 787.304010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 787.309539] ? should_fail+0x22d/0xd01 [ 787.313424] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 787.318522] ? zap_class+0x640/0x640 [ 787.322250] ? __lock_is_held+0xb5/0x140 [ 787.326313] ? mark_held_locks+0x130/0x130 [ 787.330541] ? lock_release+0xa00/0xa00 [ 787.334504] ? perf_trace_sched_process_exec+0x860/0x860 [ 787.339943] ? xa_load+0x2ba/0x460 [ 787.343475] ? lock_downgrade+0x900/0x900 [ 787.347641] ? __might_sleep+0x95/0x190 [ 787.351619] __alloc_pages_nodemask+0xa80/0xde0 [ 787.356570] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 787.361676] ? __page_cache_alloc+0x191/0x5c0 [ 787.366173] ? xa_load+0x2e1/0x460 [ 787.369712] ? xa_clear_mark+0x40/0x40 [ 787.373594] ? zap_class+0x640/0x640 [ 787.377313] ? zap_class+0x640/0x640 [ 787.381021] ? zap_class+0x640/0x640 [ 787.384813] ? __do_page_cache_readahead+0x663/0x810 [ 787.389917] ? find_held_lock+0x36/0x1c0 [ 787.394002] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 787.399537] alloc_pages_current+0x173/0x350 [ 787.403943] __page_cache_alloc+0x38c/0x5c0 [ 787.408261] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 787.413183] ? kasan_check_read+0x11/0x20 [ 787.417327] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 787.422615] ? generic_perform_write+0x6a0/0x6a0 [ 787.427368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 787.432897] ? check_preemption_disabled+0x48/0x280 [ 787.437911] filemap_fault+0x1595/0x25f0 [ 787.442005] ? __lock_page_or_retry+0xa00/0xa00 [ 787.446670] ? mark_held_locks+0x130/0x130 [ 787.450904] ? filemap_map_pages+0xd6b/0x1a20 [ 787.455633] ? lock_downgrade+0x900/0x900 [ 787.459781] ? check_preemption_disabled+0x48/0x280 [ 787.464812] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 787.469744] ? kasan_check_read+0x11/0x20 [ 787.473884] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 787.479149] ? rcu_softirq_qs+0x20/0x20 [ 787.483126] ? filemap_map_pages+0xd92/0x1a20 [ 787.487622] ? find_get_entries_tag+0x1400/0x1400 [ 787.492459] ? futex_wake+0x760/0x760 [ 787.496260] ? lock_acquire+0x1ed/0x520 [ 787.500226] ? ext4_filemap_fault+0x7a/0xad [ 787.504540] ? lock_release+0xa00/0xa00 [ 787.508501] ? perf_trace_sched_process_exec+0x860/0x860 [ 787.513958] ? print_usage_bug+0xc0/0xc0 [ 787.518014] ? print_usage_bug+0xc0/0xc0 [ 787.522074] ? down_read+0x8d/0x120 [ 787.525696] ? ext4_filemap_fault+0x7a/0xad [ 787.530012] ? __down_interruptible+0x700/0x700 [ 787.534694] ext4_filemap_fault+0x82/0xad [ 787.538835] __do_fault+0x100/0x6b0 [ 787.542478] ? pmd_devmap_trans_unstable+0x220/0x220 [ 787.547581] ? mark_held_locks+0x130/0x130 [ 787.551810] ? mark_held_locks+0x130/0x130 [ 787.556296] ? __might_fault+0x12b/0x1e0 [ 787.560351] ? lock_downgrade+0x900/0x900 [ 787.564496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 787.570037] __handle_mm_fault+0x3ea0/0x5be0 [ 787.574458] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 787.579298] ? kasan_check_read+0x11/0x20 [ 787.583455] ? _copy_to_user+0xc8/0x110 [ 787.587429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 787.593062] ? zap_class+0x640/0x640 [ 787.596775] ? zap_class+0x640/0x640 [ 787.600489] ? find_held_lock+0x36/0x1c0 [ 787.604726] ? handle_mm_fault+0x42a/0xc70 [ 787.608956] ? lock_downgrade+0x900/0x900 [ 787.613113] ? check_preemption_disabled+0x48/0x280 [ 787.618127] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 787.623059] ? kasan_check_read+0x11/0x20 [ 787.627209] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 787.632482] ? rcu_softirq_qs+0x20/0x20 [ 787.636454] ? trace_hardirqs_off_caller+0x310/0x310 [ 787.641554] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 787.647103] ? check_preemption_disabled+0x48/0x280 [ 787.652122] handle_mm_fault+0x54f/0xc70 [ 787.656386] ? __handle_mm_fault+0x5be0/0x5be0 [ 787.661403] ? find_vma+0x34/0x190 [ 787.664946] __do_page_fault+0x5e8/0xe60 [ 787.669003] ? trace_hardirqs_off+0xb8/0x310 [ 787.673417] do_page_fault+0xf2/0x7e0 [ 787.677212] ? vmalloc_sync_all+0x30/0x30 [ 787.681356] ? error_entry+0x70/0xd0 [ 787.685062] ? trace_hardirqs_off_caller+0xbb/0x310 [ 787.690073] ? trace_hardirqs_on_caller+0xc0/0x310 [ 787.694994] ? syscall_return_slowpath+0x5e0/0x5e0 [ 787.699920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 787.704755] ? trace_hardirqs_on_caller+0x310/0x310 [ 787.709766] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 787.715209] ? prepare_exit_to_usermode+0x291/0x3b0 [ 787.720214] ? page_fault+0x8/0x30 [ 787.723750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 787.728584] ? page_fault+0x8/0x30 [ 787.732121] page_fault+0x1e/0x30 [ 787.735600] RIP: 0033:0x407e06 [ 787.738801] Code: Bad RIP value. [ 787.742154] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 787.747509] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 787.755004] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 787.762266] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 787.769529] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 787.776788] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 787.784083] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 787.784173] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 787.791357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 787.791365] Call Trace: [ 787.797923] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 787.807201] dump_stack+0x244/0x39d [ 787.809773] syz-fuzzer cpuset=/ mems_allowed=0 [ 787.820100] ? dump_stack_print_info.cold.1+0x20/0x20 [ 787.833955] warn_alloc.cold.116+0xb7/0x1bd [ 787.838278] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 787.843121] ? lock_downgrade+0x900/0x900 [ 787.847270] ? trace_hardirqs_off+0xb8/0x310 [ 787.851683] ? trace_hardirqs_off+0xb8/0x310 [ 787.856626] __alloc_pages_slowpath+0x26e8/0x2e10 [ 787.861499] ? warn_alloc+0x120/0x120 [ 787.865295] ? zap_class+0x640/0x640 [ 787.869007] ? warn_alloc+0x120/0x120 [ 787.872807] ? warn_alloc+0x120/0x120 [ 787.876605] ? print_usage_bug+0xc0/0xc0 [ 787.880670] ? find_held_lock+0x36/0x1c0 [ 787.884745] ? print_usage_bug+0xc0/0xc0 [ 787.888805] ? cpuacct_charge+0x265/0x440 [ 787.892954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 787.898493] ? should_fail+0x22d/0xd01 [ 787.902371] ? find_held_lock+0x36/0x1c0 [ 787.906459] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 787.911562] ? __lock_acquire+0x62f/0x4c20 [ 787.915802] ? should_fail+0x22d/0xd01 [ 787.919695] ? mark_held_locks+0x130/0x130 [ 787.923932] ? mark_held_locks+0x130/0x130 [ 787.928170] ? __lock_acquire+0x62f/0x4c20 [ 787.932407] ? zap_class+0x640/0x640 [ 787.936110] ? __lock_is_held+0xb5/0x140 [ 787.940177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 787.945713] ? check_preemption_disabled+0x48/0x280 [ 787.950733] ? __lock_is_held+0xb5/0x140 [ 787.955069] __alloc_pages_nodemask+0xa80/0xde0 [ 787.959727] ? zap_class+0x640/0x640 [ 787.963440] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 787.968460] ? find_held_lock+0x36/0x1c0 [ 787.972531] ? ____cache_alloc_node+0x1c7/0x1e0 [ 787.977200] ? lock_downgrade+0x900/0x900 [ 787.981350] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 787.986892] cache_grow_begin+0xa5/0x8c0 [ 787.990945] ? do_raw_spin_unlock+0xa7/0x330 [ 787.995358] fallback_alloc+0x204/0x2e0 [ 787.999331] ____cache_alloc_node+0x1c7/0x1e0 [ 788.003828] kmem_cache_alloc+0x1f8/0x730 [ 788.007984] skb_clone+0x1bb/0x500 [ 788.011521] ? finish_task_switch+0x1b4/0x910 [ 788.016016] ? skb_split+0x11e0/0x11e0 [ 788.019901] ? preempt_notifier_register+0x200/0x200 [ 788.025002] ? __switch_to_asm+0x34/0x70 [ 788.029055] ? __switch_to_asm+0x34/0x70 [ 788.033103] ? __switch_to_asm+0x40/0x70 [ 788.037163] ? __switch_to_asm+0x34/0x70 [ 788.041214] ? __switch_to_asm+0x40/0x70 [ 788.045278] ? __switch_to_asm+0x34/0x70 [ 788.049335] ? __switch_to_asm+0x40/0x70 [ 788.053913] ? __switch_to_asm+0x34/0x70 [ 788.057969] ? __switch_to_asm+0x34/0x70 [ 788.062025] ? __switch_to_asm+0x40/0x70 [ 788.066079] ? __switch_to_asm+0x34/0x70 [ 788.070148] bpf_clone_redirect+0xb9/0x490 [ 788.074385] ? __schedule+0x8d7/0x21d0 [ 788.078275] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 788.083376] ? __sched_text_start+0x8/0x8 [ 788.087608] ? retint_kernel+0x2d/0x2d [ 788.091506] ? find_held_lock+0x36/0x1c0 [ 788.095571] ? lock_acquire+0x1ed/0x520 [ 788.099559] ? bpf_test_run+0x3cb/0x780 [ 788.103534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 788.109069] ? check_preemption_disabled+0x48/0x280 [ 788.114095] ? kasan_check_read+0x11/0x20 [ 788.118242] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 788.123510] ? rcu_softirq_qs+0x20/0x20 [ 788.127475] ? preempt_schedule+0x4d/0x60 [ 788.131619] ? ___preempt_schedule+0x16/0x18 [ 788.136059] ? bpf_test_run+0x25d/0x780 [ 788.140058] ? netlink_diag_dump+0x2a0/0x2a0 [ 788.144467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 788.150003] ? bpf_test_init.isra.10+0x70/0x100 [ 788.155206] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 788.159970] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 788.164815] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 788.170354] ? fput+0x130/0x1a0 [ 788.173645] ? __bpf_prog_get+0x9b/0x290 [ 788.177706] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 788.182542] ? bpf_prog_test_run+0x130/0x1a0 [ 788.186982] ? __x64_sys_bpf+0x3db/0x520 [ 788.191038] ? bpf_prog_get+0x20/0x20 [ 788.194859] ? do_syscall_64+0x1b9/0x820 [ 788.198916] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 788.204282] ? syscall_return_slowpath+0x5e0/0x5e0 [ 788.209219] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 788.214063] ? trace_hardirqs_on_caller+0x310/0x310 [ 788.219077] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 788.224087] ? prepare_exit_to_usermode+0x291/0x3b0 [ 788.229104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 788.233947] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 788.239322] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 788.239326] warn_alloc_show_mem: 1 callbacks suppressed [ 788.239333] Mem-Info: [ 788.246341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 788.251704] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 788.251704] active_file:32 inactive_file:0 isolated_file:0 [ 788.251704] unevictable:0 dirty:0 writeback:0 unstable:0 [ 788.251704] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 788.251704] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 788.251704] free:13730 free_pcp:227 free_cma:0 [ 788.254449] Call Trace: [ 788.263840] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 788.296766] [ 788.299329] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 788.327198] dump_stack+0x244/0x39d [ 788.329315] lowmem_reserve[]: 0 2818 6321 6321 [ 788.355608] ? dump_stack_print_info.cold.1+0x20/0x20 [ 788.359200] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 788.363790] warn_alloc.cold.116+0xb7/0x1bd [ 788.368940] lowmem_reserve[]: 0 0 3503 3503 [ 788.396428] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 788.400718] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 788.405033] ? lock_downgrade+0x900/0x900 [ 788.409836] lowmem_reserve[]: 0 0 0 0 [ 788.438889] ? trace_hardirqs_off+0xb8/0x310 [ 788.443004] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 788.446793] ? trace_hardirqs_off+0xb8/0x310 [ 788.451168] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 788.464993] __alloc_pages_slowpath+0x26e8/0x2e10 [ 788.469368] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 788.484115] ? warn_alloc+0x120/0x120 [ 788.488913] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 788.503021] ? print_usage_bug+0xc0/0xc0 [ 788.506796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 788.515607] ? warn_alloc+0x120/0x120 [ 788.519639] 6658 total pagecache pages [ 788.528213] ? warn_alloc+0x120/0x120 [ 788.531987] 0 pages in swap cache [ 788.535869] ? print_usage_bug+0xc0/0xc0 [ 788.539644] Swap cache stats: add 0, delete 0, find 0/0 [ 788.543090] ? kvm_clock_read+0x18/0x30 [ 788.547122] Free swap = 0kB [ 788.552487] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 788.557352] Total swap = 0kB [ 788.557360] 1965979 pages RAM [ 788.560371] ? print_usage_bug+0xc0/0xc0 [ 788.565355] 0 pages HighMem/MovableOnly [ 788.568382] ? __lock_acquire+0x62f/0x4c20 [ 788.571456] 342853 pages reserved [ 788.575503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 788.579445] 0 pages cma reserved [ 788.583685] ? should_fail+0x22d/0xd01 [ 788.599868] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 788.605152] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 788.608363] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 788.610271] ? __lock_acquire+0x62f/0x4c20 [ 788.620743] syz-executor0 cpuset=syz0 mems_allowed=0 [ 788.624989] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 788.635167] ? __lock_acquire+0x62f/0x4c20 [ 788.639396] ? should_fail+0x22d/0xd01 [ 788.643274] ? rcu_irq_exit+0x1a2/0x390 [ 788.647254] ? mark_held_locks+0x130/0x130 [ 788.651487] ? mark_held_locks+0x130/0x130 [ 788.655988] ? mark_held_locks+0xc7/0x130 [ 788.660512] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 788.665528] ? zap_class+0x640/0x640 [ 788.669235] ? print_usage_bug+0xc0/0xc0 [ 788.673293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 788.678822] ? check_preemption_disabled+0x48/0x280 [ 788.683855] ? __lock_is_held+0xb5/0x140 [ 788.687935] __alloc_pages_nodemask+0xa80/0xde0 [ 788.692597] ? zap_class+0x640/0x640 [ 788.696318] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 788.701346] ? find_held_lock+0x36/0x1c0 [ 788.705410] ? ____cache_alloc_node+0x1c7/0x1e0 [ 788.710076] ? lock_downgrade+0x900/0x900 [ 788.714224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 788.719787] cache_grow_begin+0xa5/0x8c0 [ 788.723839] ? do_raw_spin_unlock+0xa7/0x330 [ 788.728249] fallback_alloc+0x204/0x2e0 [ 788.732223] ____cache_alloc_node+0x1c7/0x1e0 [ 788.736714] kmem_cache_alloc_node+0xe3/0x730 [ 788.741202] ? ipv6_get_ifaddr+0x42e/0x620 [ 788.745443] __alloc_skb+0x119/0x770 [ 788.749151] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 788.754423] ? netdev_alloc_frag+0x1f0/0x1f0 [ 788.759036] ? lock_downgrade+0x900/0x900 [ 788.763182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 788.768730] ? refcount_sub_and_test_checked+0x203/0x310 [ 788.774176] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 788.779642] ? addrconf_rs_timer+0x690/0x690 [ 788.784058] ndisc_alloc_skb+0x144/0x340 [ 788.788125] ndisc_send_rs+0x331/0x6e0 [ 788.792766] addrconf_rs_timer+0x314/0x690 [ 788.797011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 788.801338] call_timer_fn+0x272/0x920 [ 788.805217] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 788.809459] ? process_timeout+0x40/0x40 [ 788.813522] ? mark_held_locks+0xc7/0x130 [ 788.817668] ? _raw_spin_unlock_irq+0x27/0x80 [ 788.822158] ? _raw_spin_unlock_irq+0x27/0x80 [ 788.826649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 788.830879] ? lockdep_hardirqs_on+0x296/0x5b0 [ 788.835454] ? trace_hardirqs_on+0xbd/0x310 [ 788.839772] ? kasan_check_read+0x11/0x20 [ 788.843934] ? __run_timers+0x7da/0xc70 [ 788.847900] ? trace_hardirqs_off_caller+0x310/0x310 [ 788.852998] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 788.857471] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 788.861697] __run_timers+0x7e5/0xc70 [ 788.865511] ? timer_fixup_init+0x70/0x70 [ 788.869662] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 788.874676] ? zap_class+0x640/0x640 [ 788.878396] ? print_usage_bug+0xc0/0xc0 [ 788.882465] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 788.887659] ? find_held_lock+0x36/0x1c0 [ 788.891725] ? zap_class+0x640/0x640 [ 788.895438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 788.900972] ? check_preemption_disabled+0x48/0x280 [ 788.905989] ? __lock_is_held+0xb5/0x140 [ 788.910044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 788.915574] ? check_preemption_disabled+0x48/0x280 [ 788.920591] run_timer_softirq+0x52/0xb0 [ 788.924670] ? rcu_read_lock_sched_held+0x14f/0x180 [ 788.929708] __do_softirq+0x308/0xb7e [ 788.933506] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 788.937992] ? lock_downgrade+0x900/0x900 [ 788.942137] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 788.947240] ? pvclock_read_flags+0x160/0x160 [ 788.951732] ? lapic_next_event+0x5a/0x90 [ 788.956116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 788.961662] ? kvm_clock_read+0x18/0x30 [ 788.965640] ? kvm_sched_clock_read+0x9/0x20 [ 788.970045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 788.975584] ? check_preemption_disabled+0x48/0x280 [ 788.980606] irq_exit+0x17f/0x1c0 [ 788.984067] smp_apic_timer_interrupt+0x1cb/0x760 [ 788.988955] ? smp_reschedule_interrupt+0x109/0x650 [ 788.993981] ? smp_call_function_single_interrupt+0x650/0x650 [ 788.999948] ? interrupt_entry+0xb5/0xc0 [ 789.004007] ? trace_hardirqs_off_caller+0xbb/0x310 [ 789.009015] ? trace_hardirqs_off_caller+0xbb/0x310 [ 789.014026] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 789.018864] ? trace_hardirqs_on_caller+0x310/0x310 [ 789.023874] ? trace_hardirqs_on_caller+0x310/0x310 [ 789.028886] ? task_prio+0x50/0x50 [ 789.032427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 789.037961] ? check_preemption_disabled+0x48/0x280 [ 789.042973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 789.047825] apic_timer_interrupt+0xf/0x20 [ 789.052045] [ 789.054277] RIP: 0010:console_unlock+0x102f/0x1190 [ 789.059458] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 789.078353] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 789.086132] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 789.093389] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 789.100643] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 789.107904] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 789.115170] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 789.122445] ? netconsole_netdev_event+0x280/0x280 [ 789.127375] ? console_unlock+0x1026/0x1190 [ 789.131708] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 789.136365] ? vprintk_emit+0x846/0x990 [ 789.140339] ? lock_release+0xa00/0xa00 [ 789.144309] ? trace_hardirqs_on+0x70/0x310 [ 789.148713] ? vprintk_default+0x28/0x30 [ 789.152779] ? trace_hardirqs_off_caller+0x310/0x310 [ 789.158168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 789.163716] vprintk_emit+0x391/0x990 [ 789.167517] ? wake_up_klogd+0x180/0x180 [ 789.171579] ? find_held_lock+0x11/0x1c0 [ 789.175657] ? mark_held_locks+0xc7/0x130 [ 789.179800] ? _raw_spin_unlock_irq+0x27/0x80 [ 789.184371] ? _raw_spin_unlock_irq+0x27/0x80 [ 789.188866] vprintk_default+0x28/0x30 [ 789.192843] vprintk_func+0x7e/0x181 [ 789.196552] printk+0xa7/0xcf [ 789.199650] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 789.204413] ? _raw_spin_unlock_irq+0x60/0x80 [ 789.208913] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 789.214192] dump_header+0x7cc/0xf72 [ 789.217907] ? pagefault_out_of_memory+0x197/0x197 [ 789.222839] ? __lock_acquire+0x62f/0x4c20 [ 789.227084] ? print_usage_bug+0xc0/0xc0 [ 789.231145] ? zap_class+0x640/0x640 [ 789.234853] ? zap_class+0x640/0x640 [ 789.238563] ? print_usage_bug+0xc0/0xc0 [ 789.242647] ? print_usage_bug+0xc0/0xc0 [ 789.246726] ? find_held_lock+0x36/0x1c0 [ 789.250800] ? mark_held_locks+0xc7/0x130 [ 789.255139] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 789.260236] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 789.265340] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 789.269918] ? trace_hardirqs_on+0xbd/0x310 [ 789.274231] ? kasan_check_read+0x11/0x20 [ 789.278470] ? ___ratelimit+0x3b4/0x672 [ 789.282442] ? trace_hardirqs_off_caller+0x310/0x310 [ 789.287534] ? trace_hardirqs_on+0x310/0x310 [ 789.291933] ? lock_downgrade+0x900/0x900 [ 789.296077] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 789.301173] ? ___ratelimit+0x3b9/0x672 [ 789.305137] ? idr_get_free+0xf70/0xf70 [ 789.309097] ? kasan_check_read+0x11/0x20 [ 789.313232] ? do_raw_spin_unlock+0xa7/0x330 [ 789.317651] oom_kill_process.cold.27+0x10/0x903 [ 789.322397] ? zap_class+0x640/0x640 [ 789.326110] ? _raw_spin_unlock+0x2c/0x50 [ 789.330243] ? oom_badness+0xe6/0xaa0 [ 789.334038] ? oom_evaluate_task+0x540/0x540 [ 789.338437] ? find_held_lock+0x36/0x1c0 [ 789.342496] ? out_of_memory+0x974/0x1430 [ 789.346641] ? lock_downgrade+0x900/0x900 [ 789.350781] ? check_preemption_disabled+0x48/0x280 [ 789.356085] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 789.361001] ? kasan_check_read+0x11/0x20 [ 789.365142] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 789.370421] ? rcu_softirq_qs+0x20/0x20 [ 789.374385] ? kasan_check_write+0x14/0x20 [ 789.378619] ? oom_evaluate_task+0x302/0x540 [ 789.383021] out_of_memory+0xa84/0x1430 [ 789.386991] ? oom_killer_disable+0x3a0/0x3a0 [ 789.391474] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 789.396398] ? __ww_mutex_check_waiters+0x160/0x160 [ 789.401416] __alloc_pages_slowpath+0x2354/0x2e10 [ 789.406276] ? warn_alloc+0x120/0x120 [ 789.410069] ? mark_held_locks+0x130/0x130 [ 789.414307] ? find_get_entry+0xaae/0x1120 [ 789.418569] ? filemap_map_pages+0x1a20/0x1a20 [ 789.423178] ? zap_class+0x640/0x640 [ 789.426899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 789.432429] ? check_preemption_disabled+0x48/0x280 [ 789.437438] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 789.442964] ? should_fail+0x22d/0xd01 [ 789.446847] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 789.451947] ? zap_class+0x640/0x640 [ 789.455895] ? __lock_is_held+0xb5/0x140 [ 789.459961] ? mark_held_locks+0x130/0x130 [ 789.464191] ? lock_release+0xa00/0xa00 [ 789.468156] ? perf_trace_sched_process_exec+0x860/0x860 [ 789.473608] ? xa_load+0x2ba/0x460 [ 789.477146] ? lock_downgrade+0x900/0x900 [ 789.481289] ? __might_sleep+0x95/0x190 [ 789.485262] __alloc_pages_nodemask+0xa80/0xde0 [ 789.489932] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 789.494942] ? __page_cache_alloc+0x191/0x5c0 [ 789.499430] ? xa_load+0x2e1/0x460 [ 789.502967] ? xa_clear_mark+0x40/0x40 [ 789.506851] ? zap_class+0x640/0x640 [ 789.510582] ? zap_class+0x640/0x640 [ 789.514305] ? zap_class+0x640/0x640 [ 789.518016] ? __do_page_cache_readahead+0x663/0x810 [ 789.523119] ? find_held_lock+0x36/0x1c0 [ 789.527180] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 789.532716] alloc_pages_current+0x173/0x350 [ 789.537124] __page_cache_alloc+0x38c/0x5c0 [ 789.541529] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 789.546455] ? kasan_check_read+0x11/0x20 [ 789.550612] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 789.556165] ? generic_perform_write+0x6a0/0x6a0 [ 789.560916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 789.566467] ? check_preemption_disabled+0x48/0x280 [ 789.571487] filemap_fault+0x1595/0x25f0 [ 789.575556] ? __lock_page_or_retry+0xa00/0xa00 [ 789.580221] ? mark_held_locks+0x130/0x130 [ 789.584457] ? filemap_map_pages+0xd6b/0x1a20 [ 789.588945] ? lock_downgrade+0x900/0x900 [ 789.593087] ? check_preemption_disabled+0x48/0x280 [ 789.598102] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 789.603024] ? kasan_check_read+0x11/0x20 [ 789.607158] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 789.612422] ? rcu_softirq_qs+0x20/0x20 [ 789.616399] ? filemap_map_pages+0xd92/0x1a20 [ 789.620895] ? find_get_entries_tag+0x1400/0x1400 [ 789.625727] ? futex_wake+0x760/0x760 [ 789.629532] ? lock_acquire+0x1ed/0x520 [ 789.633500] ? ext4_filemap_fault+0x7a/0xad [ 789.637824] ? lock_release+0xa00/0xa00 [ 789.641786] ? perf_trace_sched_process_exec+0x860/0x860 [ 789.647228] ? print_usage_bug+0xc0/0xc0 [ 789.651285] ? print_usage_bug+0xc0/0xc0 [ 789.655642] ? down_read+0x8d/0x120 [ 789.659763] ? ext4_filemap_fault+0x7a/0xad [ 789.664082] ? __down_interruptible+0x700/0x700 [ 789.668757] ext4_filemap_fault+0x82/0xad [ 789.672903] __do_fault+0x100/0x6b0 [ 789.676529] ? pmd_devmap_trans_unstable+0x220/0x220 [ 789.681631] ? mark_held_locks+0x130/0x130 [ 789.685863] ? mark_held_locks+0x130/0x130 [ 789.690093] ? __might_fault+0x12b/0x1e0 [ 789.694151] ? lock_downgrade+0x900/0x900 [ 789.698295] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 789.703832] __handle_mm_fault+0x3ea0/0x5be0 [ 789.708246] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 789.713090] ? kasan_check_read+0x11/0x20 [ 789.717231] ? _copy_to_user+0xc8/0x110 [ 789.721200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 789.726736] ? zap_class+0x640/0x640 [ 789.730441] ? zap_class+0x640/0x640 [ 789.734152] ? find_held_lock+0x36/0x1c0 [ 789.738217] ? handle_mm_fault+0x42a/0xc70 [ 789.742450] ? lock_downgrade+0x900/0x900 [ 789.746604] ? check_preemption_disabled+0x48/0x280 [ 789.751624] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 789.756804] ? kasan_check_read+0x11/0x20 [ 789.760952] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 789.766224] ? rcu_softirq_qs+0x20/0x20 [ 789.770196] ? trace_hardirqs_off_caller+0x310/0x310 [ 789.775299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 789.780830] ? check_preemption_disabled+0x48/0x280 [ 789.785848] handle_mm_fault+0x54f/0xc70 [ 789.789915] ? __handle_mm_fault+0x5be0/0x5be0 [ 789.794496] ? find_vma+0x34/0x190 [ 789.798034] __do_page_fault+0x5e8/0xe60 [ 789.802103] ? trace_hardirqs_off+0xb8/0x310 [ 789.806514] do_page_fault+0xf2/0x7e0 [ 789.810350] ? vmalloc_sync_all+0x30/0x30 [ 789.814495] ? error_entry+0x70/0xd0 [ 789.818203] ? trace_hardirqs_off_caller+0xbb/0x310 [ 789.823210] ? trace_hardirqs_on_caller+0xc0/0x310 [ 789.828289] ? syscall_return_slowpath+0x5e0/0x5e0 [ 789.833211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 789.838054] ? trace_hardirqs_on_caller+0x310/0x310 [ 789.843076] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 789.848542] ? prepare_exit_to_usermode+0x291/0x3b0 [ 789.853565] ? page_fault+0x8/0x30 [ 789.857464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 789.862302] ? page_fault+0x8/0x30 [ 789.865833] page_fault+0x1e/0x30 [ 789.869284] RIP: 0033:0x407e06 [ 789.872500] Code: Bad RIP value. [ 789.875855] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 789.881208] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 789.888469] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 789.895729] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 789.903001] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 789.910265] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 789.917551] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 789.917624] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 789.924834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 789.924840] Call Trace: [ 789.924861] dump_stack+0x244/0x39d [ 789.924883] ? dump_stack_print_info.cold.1+0x20/0x20 [ 789.931555] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 789.940705] warn_alloc.cold.116+0xb7/0x1bd [ 789.943252] syz-fuzzer cpuset=/ mems_allowed=0 [ 789.946865] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 789.976413] ? lock_downgrade+0x900/0x900 [ 789.980565] ? trace_hardirqs_off+0xb8/0x310 [ 789.985097] ? trace_hardirqs_off+0xb8/0x310 [ 789.989517] __alloc_pages_slowpath+0x26e8/0x2e10 [ 789.994387] ? warn_alloc+0x120/0x120 [ 789.998185] ? zap_class+0x640/0x640 [ 790.001899] ? warn_alloc+0x120/0x120 [ 790.005724] ? warn_alloc+0x120/0x120 [ 790.009523] ? print_usage_bug+0xc0/0xc0 [ 790.013583] ? find_held_lock+0x36/0x1c0 [ 790.017642] ? print_usage_bug+0xc0/0xc0 [ 790.021707] ? cpuacct_charge+0x265/0x440 [ 790.025864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 790.031398] ? should_fail+0x22d/0xd01 [ 790.035281] ? find_held_lock+0x36/0x1c0 [ 790.039340] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 790.044530] ? __lock_acquire+0x62f/0x4c20 [ 790.048796] ? should_fail+0x22d/0xd01 [ 790.052690] ? mark_held_locks+0x130/0x130 [ 790.057422] ? mark_held_locks+0x130/0x130 [ 790.061655] ? __lock_acquire+0x62f/0x4c20 [ 790.065887] ? zap_class+0x640/0x640 [ 790.069618] ? __lock_is_held+0xb5/0x140 [ 790.073689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 790.079222] ? check_preemption_disabled+0x48/0x280 [ 790.084257] ? __lock_is_held+0xb5/0x140 [ 790.088319] __alloc_pages_nodemask+0xa80/0xde0 [ 790.092990] ? zap_class+0x640/0x640 [ 790.096719] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 790.101744] ? find_held_lock+0x36/0x1c0 [ 790.105806] ? ____cache_alloc_node+0x1c7/0x1e0 [ 790.110471] ? lock_downgrade+0x900/0x900 [ 790.114624] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 790.120166] cache_grow_begin+0xa5/0x8c0 [ 790.124224] ? do_raw_spin_unlock+0xa7/0x330 [ 790.128639] fallback_alloc+0x204/0x2e0 [ 790.132615] ____cache_alloc_node+0x1c7/0x1e0 [ 790.137113] kmem_cache_alloc+0x1f8/0x730 [ 790.141321] skb_clone+0x1bb/0x500 [ 790.144862] ? finish_task_switch+0x1b4/0x910 [ 790.149350] ? skb_split+0x11e0/0x11e0 [ 790.153236] ? preempt_notifier_register+0x200/0x200 [ 790.158784] ? __switch_to_asm+0x34/0x70 [ 790.162841] ? __switch_to_asm+0x34/0x70 [ 790.166896] ? __switch_to_asm+0x40/0x70 [ 790.170957] ? __switch_to_asm+0x34/0x70 [ 790.175011] ? __switch_to_asm+0x40/0x70 [ 790.179065] ? __switch_to_asm+0x34/0x70 [ 790.183123] ? __switch_to_asm+0x40/0x70 [ 790.187196] ? __switch_to_asm+0x34/0x70 [ 790.191350] ? __switch_to_asm+0x34/0x70 [ 790.195402] ? __switch_to_asm+0x40/0x70 [ 790.199459] ? __switch_to_asm+0x34/0x70 [ 790.203529] bpf_clone_redirect+0xb9/0x490 [ 790.207765] ? __schedule+0x8d7/0x21d0 [ 790.211666] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 790.216683] ? __sched_text_start+0x8/0x8 [ 790.220823] ? retint_kernel+0x2d/0x2d [ 790.224719] ? find_held_lock+0x36/0x1c0 [ 790.228800] ? lock_acquire+0x1ed/0x520 [ 790.232770] ? bpf_test_run+0x3cb/0x780 [ 790.236744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 790.242284] ? check_preemption_disabled+0x48/0x280 [ 790.247310] ? kasan_check_read+0x11/0x20 [ 790.251452] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 790.257127] ? rcu_softirq_qs+0x20/0x20 [ 790.261110] ? preempt_schedule+0x4d/0x60 [ 790.265274] ? ___preempt_schedule+0x16/0x18 [ 790.269688] ? bpf_test_run+0x25d/0x780 [ 790.273668] ? netlink_diag_dump+0x2a0/0x2a0 [ 790.278073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 790.283613] ? bpf_test_init.isra.10+0x70/0x100 [ 790.288287] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 790.293048] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 790.297921] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 790.303475] ? fput+0x130/0x1a0 [ 790.306748] ? __bpf_prog_get+0x9b/0x290 [ 790.310806] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 790.315644] ? bpf_prog_test_run+0x130/0x1a0 [ 790.320048] ? __x64_sys_bpf+0x3db/0x520 [ 790.324104] ? bpf_prog_get+0x20/0x20 [ 790.327923] ? do_syscall_64+0x1b9/0x820 [ 790.331993] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 790.337352] ? syscall_return_slowpath+0x5e0/0x5e0 [ 790.342286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 790.347214] ? trace_hardirqs_on_caller+0x310/0x310 [ 790.352226] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 790.357579] ? prepare_exit_to_usermode+0x291/0x3b0 [ 790.362761] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 790.367695] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 790.373075] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 790.373085] warn_alloc_show_mem: 1 callbacks suppressed [ 790.373103] Mem-Info: [ 790.380105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 790.385469] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 790.385469] active_file:32 inactive_file:0 isolated_file:0 [ 790.385469] unevictable:0 dirty:0 writeback:0 unstable:0 [ 790.385469] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 790.385469] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 790.385469] free:13730 free_pcp:227 free_cma:0 [ 790.387832] Call Trace: [ 790.397226] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 790.430160] [ 790.432741] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 790.460842] dump_stack+0x244/0x39d [ 790.462967] lowmem_reserve[]: 0 2818 6321 6321 [ 790.489069] ? dump_stack_print_info.cold.1+0x20/0x20 [ 790.492675] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 790.497258] warn_alloc.cold.116+0xb7/0x1bd [ 790.502422] lowmem_reserve[]: 0 0 3503 3503 [ 790.530009] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 790.534299] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 790.538618] ? lock_downgrade+0x900/0x900 [ 790.543425] lowmem_reserve[]: 0 0 0 0 [ 790.572692] ? trace_hardirqs_off+0xb8/0x310 [ 790.576812] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 790.580604] ? trace_hardirqs_off+0xb8/0x310 [ 790.584982] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 790.598598] __alloc_pages_slowpath+0x26e8/0x2e10 [ 790.602968] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 790.617743] ? warn_alloc+0x120/0x120 [ 790.622651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 790.636766] ? warn_alloc+0x120/0x120 [ 790.640543] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 790.649364] ? warn_alloc+0x120/0x120 [ 790.653153] 6658 total pagecache pages [ 790.662447] ? print_usage_bug+0xc0/0xc0 [ 790.666226] 0 pages in swap cache [ 790.670095] ? print_usage_bug+0xc0/0xc0 [ 790.674126] Swap cache stats: add 0, delete 0, find 0/0 [ 790.677575] ? lock_downgrade+0x900/0x900 [ 790.681604] Free swap = 0kB [ 790.686957] ? check_preemption_disabled+0x48/0x280 [ 790.691073] Total swap = 0kB [ 790.694077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 790.699071] 1965979 pages RAM [ 790.702073] ? should_fail+0x22d/0xd01 [ 790.707581] 0 pages HighMem/MovableOnly [ 790.710674] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 790.714616] 342853 pages reserved [ 790.718584] ? __lock_acquire+0x62f/0x4c20 [ 790.723655] 0 pages cma reserved [ 790.727106] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 790.739878] ? should_fail+0x22d/0xd01 [ 790.743769] ? fib_rules_lookup+0x54c/0xcc0 [ 790.748107] ? mark_held_locks+0x130/0x130 [ 790.752344] ? mark_held_locks+0x130/0x130 [ 790.753533] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 790.756792] ? rcu_softirq_qs+0x20/0x20 [ 790.756809] ? zap_class+0x640/0x640 [ 790.767104] kworker/1:0 cpuset=/ mems_allowed=0 [ 790.771064] ? zap_class+0x640/0x640 [ 790.783111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 790.788662] ? check_preemption_disabled+0x48/0x280 [ 790.793679] ? __lock_is_held+0xb5/0x140 [ 790.797740] __alloc_pages_nodemask+0xa80/0xde0 [ 790.802406] ? zap_class+0x640/0x640 [ 790.806121] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 790.811145] ? find_held_lock+0x36/0x1c0 [ 790.815209] ? ____cache_alloc_node+0x1c7/0x1e0 [ 790.819877] ? lock_downgrade+0x900/0x900 [ 790.824027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 790.829572] cache_grow_begin+0xa5/0x8c0 [ 790.833623] ? do_raw_spin_unlock+0xa7/0x330 [ 790.838032] fallback_alloc+0x204/0x2e0 [ 790.842008] ____cache_alloc_node+0x1c7/0x1e0 [ 790.846500] kmem_cache_alloc_node+0xe3/0x730 [ 790.851004] __alloc_skb+0x119/0x770 [ 790.854716] ? netdev_alloc_frag+0x1f0/0x1f0 [ 790.859336] ? fib_multipath_hash+0x1090/0x1090 [ 790.864007] ? zap_class+0x640/0x640 [ 790.867732] ? get_stack_info+0x37/0x142 [ 790.871793] ? get_stack_info+0x37/0x142 [ 790.875864] alloc_skb_with_frags+0x133/0x7d0 [ 790.880344] ? find_held_lock+0x36/0x1c0 [ 790.884402] ? skb_complete_wifi_ack+0x1e0/0x1e0 [ 790.889169] ? lock_downgrade+0x900/0x900 [ 790.893405] ? check_preemption_disabled+0x48/0x280 [ 790.898419] sock_alloc_send_pskb+0x87a/0xaf0 [ 790.902912] ? rcu_softirq_qs+0x20/0x20 [ 790.906882] ? unwind_dump+0x190/0x190 [ 790.910774] ? sock_wmalloc+0x1f0/0x1f0 [ 790.914745] ? kernel_text_address+0x79/0xf0 [ 790.919148] ? __kernel_text_address+0xd/0x40 [ 790.923637] ? unwind_get_return_address+0x61/0xa0 [ 790.928575] ? __save_stack_trace+0x8d/0xf0 [ 790.932906] ? save_stack+0xa9/0xd0 [ 790.936527] ? save_stack+0x43/0xd0 [ 790.940155] ? kasan_kmalloc+0xc7/0xe0 [ 790.944036] ? kmem_cache_alloc_trace+0x152/0x750 [ 790.948890] ? ip_setup_cork+0x6b9/0x8a0 [ 790.952944] ? ip_append_data.part.49+0x13c/0x170 [ 790.958020] ? ip_append_data+0x6d/0x90 [ 790.961994] sock_alloc_send_skb+0x32/0x40 [ 790.966240] __ip_append_data.isra.48+0x15b8/0x29b0 [ 790.971254] ? out_of_memory+0xa84/0x1430 [ 790.975416] ? icmp_push_reply+0x540/0x540 [ 790.979663] ? __do_fault+0x100/0x6b0 [ 790.983462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 790.989001] ? ip_generic_getfrag+0x2e0/0x2e0 [ 790.993491] ? __lock_is_held+0xb5/0x140 [ 790.997652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 791.003179] ? ipv4_mtu+0x39f/0x590 [ 791.006833] ? rt_acct_proc_show+0x370/0x370 [ 791.011236] ? ip_setup_cork+0x6b9/0x8a0 [ 791.015290] ? rcu_read_lock_sched_held+0x14f/0x180 [ 791.020305] ? kmem_cache_alloc_trace+0x353/0x750 [ 791.025147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 791.030683] ip_append_data.part.49+0xef/0x170 [ 791.035266] ? icmp_push_reply+0x540/0x540 [ 791.039513] ip_append_data+0x6d/0x90 [ 791.043317] ? icmp_push_reply+0x540/0x540 [ 791.047552] icmp_push_reply+0x18e/0x540 [ 791.051615] icmp_send+0x1544/0x1bd0 [ 791.055332] ? icmp_route_lookup.constprop.23+0x1900/0x1900 [ 791.061252] ? zap_class+0x640/0x640 [ 791.064960] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 791.070344] ? lock_downgrade+0x900/0x900 [ 791.074492] ? lock_acquire+0x1ed/0x520 [ 791.078455] ? neigh_timer_handler+0xa0/0xdf0 [ 791.082943] ? do_raw_spin_unlock+0xa7/0x330 [ 791.087344] ? ipv4_neigh_lookup+0x9a0/0x9a0 [ 791.091750] ipv4_link_failure+0x2c/0x220 [ 791.095893] ? ipv4_link_failure+0x2c/0x220 [ 791.100209] ? ipv4_neigh_lookup+0x9a0/0x9a0 [ 791.104629] arp_error_report+0xd1/0x1c0 [ 791.108705] neigh_invalidate+0x246/0x550 [ 791.112853] neigh_timer_handler+0xb07/0xdf0 [ 791.117278] ? neigh_periodic_work+0xc60/0xc60 [ 791.121860] ? __lock_is_held+0xb5/0x140 [ 791.125927] call_timer_fn+0x272/0x920 [ 791.129809] ? neigh_periodic_work+0xc60/0xc60 [ 791.134384] ? process_timeout+0x40/0x40 [ 791.138448] ? mark_held_locks+0xc7/0x130 [ 791.142592] ? _raw_spin_unlock_irq+0x27/0x80 [ 791.147083] ? _raw_spin_unlock_irq+0x27/0x80 [ 791.151570] ? neigh_periodic_work+0xc60/0xc60 [ 791.156429] ? lockdep_hardirqs_on+0x296/0x5b0 [ 791.161009] ? trace_hardirqs_on+0xbd/0x310 [ 791.165322] ? kasan_check_read+0x11/0x20 [ 791.169465] ? __run_timers+0x7da/0xc70 [ 791.173436] ? trace_hardirqs_off_caller+0x310/0x310 [ 791.178560] ? neigh_periodic_work+0xc60/0xc60 [ 791.183143] __run_timers+0x7e5/0xc70 [ 791.186967] ? timer_fixup_init+0x70/0x70 [ 791.191111] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 791.196124] ? zap_class+0x640/0x640 [ 791.199941] ? print_usage_bug+0xc0/0xc0 [ 791.204011] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 791.209199] ? find_held_lock+0x36/0x1c0 [ 791.213256] ? zap_class+0x640/0x640 [ 791.216989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 791.222520] ? check_preemption_disabled+0x48/0x280 [ 791.227577] ? __lock_is_held+0xb5/0x140 [ 791.231642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 791.237171] ? check_preemption_disabled+0x48/0x280 [ 791.242183] run_timer_softirq+0x52/0xb0 [ 791.246240] ? rcu_read_lock_sched_held+0x14f/0x180 [ 791.251250] __do_softirq+0x308/0xb7e [ 791.255056] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 791.259787] ? lock_downgrade+0x900/0x900 [ 791.263933] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 791.269045] ? pvclock_read_flags+0x160/0x160 [ 791.273542] ? lapic_next_event+0x5a/0x90 [ 791.277703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 791.283237] ? kvm_clock_read+0x18/0x30 [ 791.287203] ? kvm_sched_clock_read+0x9/0x20 [ 791.291607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 791.297141] ? check_preemption_disabled+0x48/0x280 [ 791.302250] irq_exit+0x17f/0x1c0 [ 791.305702] smp_apic_timer_interrupt+0x1cb/0x760 [ 791.310552] ? smp_reschedule_interrupt+0x109/0x650 [ 791.315568] ? smp_call_function_single_interrupt+0x650/0x650 [ 791.321443] ? interrupt_entry+0xb5/0xc0 [ 791.325498] ? trace_hardirqs_off_caller+0xbb/0x310 [ 791.330515] ? trace_hardirqs_off_caller+0xbb/0x310 [ 791.335539] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 791.340381] ? trace_hardirqs_on_caller+0x310/0x310 [ 791.345389] ? trace_hardirqs_on_caller+0x310/0x310 [ 791.350398] ? task_prio+0x50/0x50 [ 791.353931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 791.359710] ? check_preemption_disabled+0x48/0x280 [ 791.364738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 791.369600] apic_timer_interrupt+0xf/0x20 [ 791.373824] [ 791.376057] RIP: 0010:console_unlock+0x102f/0x1190 [ 791.380982] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 791.399870] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 791.407581] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 791.414843] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 791.422103] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 791.429363] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 791.436630] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 791.443900] ? netconsole_netdev_event+0x280/0x280 [ 791.448829] ? console_unlock+0x1026/0x1190 [ 791.453156] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 791.458045] ? vprintk_emit+0x846/0x990 [ 791.462017] ? lock_release+0xa00/0xa00 [ 791.465987] ? trace_hardirqs_on+0x70/0x310 [ 791.470304] ? vprintk_default+0x28/0x30 [ 791.474365] ? trace_hardirqs_off_caller+0x310/0x310 [ 791.479467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 791.485025] vprintk_emit+0x391/0x990 [ 791.488822] ? wake_up_klogd+0x180/0x180 [ 791.492894] ? find_held_lock+0x11/0x1c0 [ 791.496953] ? mark_held_locks+0xc7/0x130 [ 791.501102] ? _raw_spin_unlock_irq+0x27/0x80 [ 791.505589] ? _raw_spin_unlock_irq+0x27/0x80 [ 791.510080] vprintk_default+0x28/0x30 [ 791.513958] vprintk_func+0x7e/0x181 [ 791.517673] printk+0xa7/0xcf [ 791.520774] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 791.525554] ? _raw_spin_unlock_irq+0x60/0x80 [ 791.530057] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 791.535333] dump_header+0x7cc/0xf72 [ 791.539048] ? pagefault_out_of_memory+0x197/0x197 [ 791.543979] ? __lock_acquire+0x62f/0x4c20 [ 791.548209] ? print_usage_bug+0xc0/0xc0 [ 791.552273] ? zap_class+0x640/0x640 [ 791.556217] ? zap_class+0x640/0x640 [ 791.559946] ? print_usage_bug+0xc0/0xc0 [ 791.564021] ? print_usage_bug+0xc0/0xc0 [ 791.568090] ? find_held_lock+0x36/0x1c0 [ 791.572149] ? mark_held_locks+0xc7/0x130 [ 791.576300] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 791.581392] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 791.586488] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 791.591069] ? trace_hardirqs_on+0xbd/0x310 [ 791.595386] ? kasan_check_read+0x11/0x20 [ 791.599541] ? ___ratelimit+0x3b4/0x672 [ 791.603509] ? trace_hardirqs_off_caller+0x310/0x310 [ 791.608618] ? trace_hardirqs_on+0x310/0x310 [ 791.613021] ? lock_downgrade+0x900/0x900 [ 791.617169] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 791.622271] ? ___ratelimit+0x3b9/0x672 [ 791.626241] ? idr_get_free+0xf70/0xf70 [ 791.630206] ? kasan_check_read+0x11/0x20 [ 791.634342] ? do_raw_spin_unlock+0xa7/0x330 [ 791.638745] oom_kill_process.cold.27+0x10/0x903 [ 791.643487] ? zap_class+0x640/0x640 [ 791.647190] ? _raw_spin_unlock+0x2c/0x50 [ 791.651327] ? oom_badness+0xe6/0xaa0 [ 791.655124] ? oom_evaluate_task+0x540/0x540 [ 791.659802] ? find_held_lock+0x36/0x1c0 [ 791.663869] ? out_of_memory+0x974/0x1430 [ 791.668015] ? lock_downgrade+0x900/0x900 [ 791.672160] ? check_preemption_disabled+0x48/0x280 [ 791.677178] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 791.682104] ? kasan_check_read+0x11/0x20 [ 791.686246] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 791.691524] ? rcu_softirq_qs+0x20/0x20 [ 791.695593] ? kasan_check_write+0x14/0x20 [ 791.699819] ? oom_evaluate_task+0x302/0x540 [ 791.704224] out_of_memory+0xa84/0x1430 [ 791.708205] ? oom_killer_disable+0x3a0/0x3a0 [ 791.712699] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 791.717626] ? __ww_mutex_check_waiters+0x160/0x160 [ 791.722647] __alloc_pages_slowpath+0x2354/0x2e10 [ 791.727510] ? warn_alloc+0x120/0x120 [ 791.731405] ? mark_held_locks+0x130/0x130 [ 791.735640] ? find_get_entry+0xaae/0x1120 [ 791.739878] ? filemap_map_pages+0x1a20/0x1a20 [ 791.744462] ? zap_class+0x640/0x640 [ 791.748184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 791.753716] ? check_preemption_disabled+0x48/0x280 [ 791.759003] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 791.764547] ? should_fail+0x22d/0xd01 [ 791.768432] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 791.773539] ? zap_class+0x640/0x640 [ 791.777269] ? __lock_is_held+0xb5/0x140 [ 791.781330] ? mark_held_locks+0x130/0x130 [ 791.785563] ? lock_release+0xa00/0xa00 [ 791.789542] ? perf_trace_sched_process_exec+0x860/0x860 [ 791.794987] ? xa_load+0x2ba/0x460 [ 791.798533] ? lock_downgrade+0x900/0x900 [ 791.802684] ? __might_sleep+0x95/0x190 [ 791.806655] __alloc_pages_nodemask+0xa80/0xde0 [ 791.811330] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 791.816340] ? __page_cache_alloc+0x191/0x5c0 [ 791.820838] ? xa_load+0x2e1/0x460 [ 791.824376] ? xa_clear_mark+0x40/0x40 [ 791.828474] ? zap_class+0x640/0x640 [ 791.832205] ? zap_class+0x640/0x640 [ 791.835910] ? zap_class+0x640/0x640 [ 791.839621] ? __do_page_cache_readahead+0x663/0x810 [ 791.844718] ? find_held_lock+0x36/0x1c0 [ 791.848797] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 791.854327] alloc_pages_current+0x173/0x350 [ 791.859013] __page_cache_alloc+0x38c/0x5c0 [ 791.863331] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 791.868255] ? kasan_check_read+0x11/0x20 [ 791.872396] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 791.877670] ? generic_perform_write+0x6a0/0x6a0 [ 791.882430] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 791.887963] ? check_preemption_disabled+0x48/0x280 [ 791.892983] filemap_fault+0x1595/0x25f0 [ 791.897048] ? __lock_page_or_retry+0xa00/0xa00 [ 791.901714] ? mark_held_locks+0x130/0x130 [ 791.905956] ? filemap_map_pages+0xd6b/0x1a20 [ 791.910450] ? lock_downgrade+0x900/0x900 [ 791.914596] ? check_preemption_disabled+0x48/0x280 [ 791.919621] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 791.924566] ? kasan_check_read+0x11/0x20 [ 791.928711] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 791.933986] ? rcu_softirq_qs+0x20/0x20 [ 791.937967] ? filemap_map_pages+0xd92/0x1a20 [ 791.942468] ? find_get_entries_tag+0x1400/0x1400 [ 791.947418] ? futex_wake+0x760/0x760 [ 791.951229] ? lock_acquire+0x1ed/0x520 [ 791.955208] ? ext4_filemap_fault+0x7a/0xad [ 791.959827] ? lock_release+0xa00/0xa00 [ 791.963796] ? perf_trace_sched_process_exec+0x860/0x860 [ 791.969240] ? print_usage_bug+0xc0/0xc0 [ 791.973383] ? print_usage_bug+0xc0/0xc0 [ 791.977454] ? down_read+0x8d/0x120 [ 791.981076] ? ext4_filemap_fault+0x7a/0xad [ 791.985393] ? __down_interruptible+0x700/0x700 [ 791.990066] ext4_filemap_fault+0x82/0xad [ 791.994298] __do_fault+0x100/0x6b0 [ 791.997941] ? pmd_devmap_trans_unstable+0x220/0x220 [ 792.003039] ? mark_held_locks+0x130/0x130 [ 792.007268] ? mark_held_locks+0x130/0x130 [ 792.011498] ? __might_fault+0x12b/0x1e0 [ 792.015566] ? lock_downgrade+0x900/0x900 [ 792.019718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 792.025255] __handle_mm_fault+0x3ea0/0x5be0 [ 792.029670] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 792.034517] ? kasan_check_read+0x11/0x20 [ 792.038668] ? _copy_to_user+0xc8/0x110 [ 792.042643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 792.048185] ? zap_class+0x640/0x640 [ 792.051898] ? zap_class+0x640/0x640 [ 792.055612] ? find_held_lock+0x36/0x1c0 [ 792.059988] ? handle_mm_fault+0x42a/0xc70 [ 792.064219] ? lock_downgrade+0x900/0x900 [ 792.068452] ? check_preemption_disabled+0x48/0x280 [ 792.073469] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 792.078396] ? kasan_check_read+0x11/0x20 [ 792.082546] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 792.087812] ? rcu_softirq_qs+0x20/0x20 [ 792.091792] ? trace_hardirqs_off_caller+0x310/0x310 [ 792.096883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 792.102409] ? check_preemption_disabled+0x48/0x280 [ 792.107422] handle_mm_fault+0x54f/0xc70 [ 792.111481] ? __handle_mm_fault+0x5be0/0x5be0 [ 792.116065] ? find_vma+0x34/0x190 [ 792.119612] __do_page_fault+0x5e8/0xe60 [ 792.123676] ? trace_hardirqs_off+0xb8/0x310 [ 792.128093] do_page_fault+0xf2/0x7e0 [ 792.131889] ? vmalloc_sync_all+0x30/0x30 [ 792.136038] ? error_entry+0x70/0xd0 [ 792.139753] ? trace_hardirqs_off_caller+0xbb/0x310 [ 792.144759] ? trace_hardirqs_on_caller+0xc0/0x310 [ 792.149685] ? syscall_return_slowpath+0x5e0/0x5e0 [ 792.154604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 792.159685] ? trace_hardirqs_on_caller+0x310/0x310 [ 792.164704] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 792.170152] ? prepare_exit_to_usermode+0x291/0x3b0 [ 792.175160] ? page_fault+0x8/0x30 [ 792.178693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 792.183536] ? page_fault+0x8/0x30 [ 792.187070] page_fault+0x1e/0x30 [ 792.190525] RIP: 0033:0x407e06 [ 792.193728] Code: Bad RIP value. [ 792.197087] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 792.202441] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 792.209708] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 792.216972] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 792.224234] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 792.231492] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 792.238787] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 792.238923] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 792.245711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 792.245728] Workqueue: events_power_efficient neigh_periodic_work [ 792.256193] syz-fuzzer cpuset=/ mems_allowed=0 [ 792.265644] Call Trace: [ 792.279005] dump_stack+0x244/0x39d [ 792.282635] ? dump_stack_print_info.cold.1+0x20/0x20 [ 792.287847] warn_alloc.cold.116+0xb7/0x1bd [ 792.292166] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 792.297006] ? lock_downgrade+0x900/0x900 [ 792.301159] ? trace_hardirqs_off+0xb8/0x310 [ 792.305568] ? trace_hardirqs_off+0xb8/0x310 [ 792.309977] __alloc_pages_slowpath+0x26e8/0x2e10 [ 792.314851] ? warn_alloc+0x120/0x120 [ 792.318676] ? warn_alloc+0x120/0x120 [ 792.322472] ? check_preemption_disabled+0x48/0x280 [ 792.327491] ? warn_alloc+0x120/0x120 [ 792.331291] ? zap_class+0x640/0x640 [ 792.335022] ? print_usage_bug+0xc0/0xc0 [ 792.339079] ? print_usage_bug+0xc0/0xc0 [ 792.343129] ? __lock_acquire+0x62f/0x4c20 [ 792.347366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 792.352897] ? should_fail+0x22d/0xd01 [ 792.357285] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 792.362382] ? __lock_acquire+0x62f/0x4c20 [ 792.366614] ? __lock_acquire+0x62f/0x4c20 [ 792.370840] ? should_fail+0x22d/0xd01 [ 792.374728] ? mark_held_locks+0x130/0x130 [ 792.378968] ? mark_held_locks+0x130/0x130 [ 792.383195] ? pick_next_task_fair+0xa05/0x1b30 [ 792.387855] ? rcu_read_lock_sched_held+0x14f/0x180 [ 792.393052] ? zap_class+0x640/0x640 [ 792.396757] ? zap_class+0x640/0x640 [ 792.400470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 792.406014] ? check_preemption_disabled+0x48/0x280 [ 792.411038] ? __lock_is_held+0xb5/0x140 [ 792.415105] __alloc_pages_nodemask+0xa80/0xde0 [ 792.419775] ? zap_class+0x640/0x640 [ 792.423495] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 792.428540] ? find_held_lock+0x36/0x1c0 [ 792.432609] ? ____cache_alloc_node+0x1c7/0x1e0 [ 792.437277] ? lock_downgrade+0x900/0x900 [ 792.441425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 792.447012] cache_grow_begin+0xa5/0x8c0 [ 792.451070] ? do_raw_spin_unlock+0xa7/0x330 [ 792.455478] fallback_alloc+0x204/0x2e0 [ 792.460126] ____cache_alloc_node+0x1c7/0x1e0 [ 792.464622] kmem_cache_alloc_node+0xe3/0x730 [ 792.469109] ? zap_class+0x640/0x640 [ 792.472819] ? __sched_text_start+0x8/0x8 [ 792.476969] __alloc_skb+0x119/0x770 [ 792.480672] ? zap_class+0x640/0x640 [ 792.484385] ? netdev_alloc_frag+0x1f0/0x1f0 [ 792.488794] ? neigh_periodic_work+0x8ca/0xc60 [ 792.493375] ? lock_downgrade+0x900/0x900 [ 792.497523] ? kasan_check_read+0x11/0x20 [ 792.501662] ? do_raw_write_lock+0x14f/0x310 [ 792.506071] __neigh_notify+0x8c/0x160 [ 792.509958] neigh_cleanup_and_release+0x7b/0xe0 [ 792.514710] neigh_periodic_work+0x8d2/0xc60 [ 792.519123] ? neigh_table_clear+0x390/0x390 [ 792.523531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 792.529061] ? check_preemption_disabled+0x48/0x280 [ 792.534082] ? __lock_is_held+0xb5/0x140 [ 792.538155] process_one_work+0xc90/0x1c40 [ 792.542382] ? mark_held_locks+0x130/0x130 [ 792.546619] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 792.551298] ? __switch_to_asm+0x40/0x70 [ 792.555351] ? __switch_to_asm+0x40/0x70 [ 792.559697] ? __switch_to_asm+0x34/0x70 [ 792.563751] ? __switch_to_asm+0x40/0x70 [ 792.567806] ? __switch_to_asm+0x34/0x70 [ 792.571861] ? __switch_to_asm+0x40/0x70 [ 792.575923] ? __switch_to_asm+0x34/0x70 [ 792.580099] ? __switch_to_asm+0x40/0x70 [ 792.584172] ? __schedule+0x8d7/0x21d0 [ 792.588055] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 792.592647] ? zap_class+0x640/0x640 [ 792.596357] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 792.601116] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 792.605701] ? lock_acquire+0x1ed/0x520 [ 792.609681] ? worker_thread+0x3e0/0x1390 [ 792.613828] ? kasan_check_read+0x11/0x20 [ 792.617963] ? do_raw_spin_lock+0x14f/0x350 [ 792.622278] ? kasan_check_read+0x11/0x20 [ 792.626417] ? rwlock_bug.part.2+0x90/0x90 [ 792.630644] ? trace_hardirqs_on+0x310/0x310 [ 792.635074] worker_thread+0x17f/0x1390 [ 792.639043] ? __switch_to_asm+0x34/0x70 [ 792.643110] ? process_one_work+0x1c40/0x1c40 [ 792.647635] ? __sched_text_start+0x8/0x8 [ 792.651800] ? __kthread_parkme+0xce/0x1a0 [ 792.656331] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 792.661719] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 792.666821] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 792.671401] ? trace_hardirqs_on+0xbd/0x310 [ 792.675726] ? kasan_check_read+0x11/0x20 [ 792.679873] ? __kthread_parkme+0xce/0x1a0 [ 792.684105] ? trace_hardirqs_off_caller+0x310/0x310 [ 792.689300] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 792.694397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 792.699934] ? __kthread_parkme+0xfb/0x1a0 [ 792.704169] ? process_one_work+0x1c40/0x1c40 [ 792.708657] kthread+0x35a/0x440 [ 792.714298] ? kthread_stop+0x900/0x900 [ 792.718268] ret_from_fork+0x3a/0x50 [ 792.721994] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 792.722003] warn_alloc_show_mem: 1 callbacks suppressed [ 792.722010] Mem-Info: [ 792.729015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 792.734399] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 792.734399] active_file:32 inactive_file:0 isolated_file:0 [ 792.734399] unevictable:0 dirty:0 writeback:0 unstable:0 [ 792.734399] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 792.734399] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 792.734399] free:13730 free_pcp:227 free_cma:0 [ 792.736773] Call Trace: [ 792.746198] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 792.779534] [ 792.782099] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 792.810505] dump_stack+0x244/0x39d [ 792.812621] lowmem_reserve[]: 0 2818 6321 6321 [ 792.838723] ? dump_stack_print_info.cold.1+0x20/0x20 [ 792.842335] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 792.846934] warn_alloc.cold.116+0xb7/0x1bd [ 792.852087] lowmem_reserve[]: 0 0 3503 3503 [ 792.879889] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 792.884181] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 792.888504] ? lock_downgrade+0x900/0x900 [ 792.893307] lowmem_reserve[]: 0 0 0 0 [ 792.922358] ? trace_hardirqs_off+0xb8/0x310 [ 792.926482] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 792.930275] ? trace_hardirqs_off+0xb8/0x310 [ 792.934679] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 792.948196] __alloc_pages_slowpath+0x26e8/0x2e10 [ 792.952572] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 792.967607] ? warn_alloc+0x120/0x120 [ 792.972433] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 792.986543] ? warn_alloc+0x120/0x120 [ 792.990336] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 792.999239] ? check_preemption_disabled+0x48/0x280 [ 793.003013] 6658 total pagecache pages [ 793.011575] ? warn_alloc+0x120/0x120 [ 793.016572] 0 pages in swap cache [ 793.020441] ? print_usage_bug+0xc0/0xc0 [ 793.024215] Swap cache stats: add 0, delete 0, find 0/0 [ 793.027650] ? print_usage_bug+0xc0/0xc0 [ 793.031682] Free swap = 0kB [ 793.037028] ? zap_class+0x640/0x640 [ 793.041057] Total swap = 0kB [ 793.044087] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 793.047766] 1965979 pages RAM [ 793.050782] ? should_fail+0x22d/0xd01 [ 793.056541] 0 pages HighMem/MovableOnly [ 793.056549] 342853 pages reserved [ 793.059734] ? get_stack_info+0x37/0x142 [ 793.063593] 0 pages cma reserved [ 793.067559] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 793.083531] ? __lock_acquire+0x62f/0x4c20 [ 793.087777] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 793.092900] ? __lock_acquire+0x62f/0x4c20 [ 793.093565] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 793.097140] ? should_fail+0x22d/0xd01 [ 793.107607] syz-executor0 cpuset=syz0 mems_allowed=0 [ 793.111509] ? mark_held_locks+0x130/0x130 [ 793.120805] ? mark_held_locks+0x130/0x130 [ 793.125035] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 793.130305] ? rcu_softirq_qs+0x20/0x20 [ 793.134272] ? rcu_softirq_qs+0x20/0x20 [ 793.138360] ? unwind_dump+0x190/0x190 [ 793.142242] ? zap_class+0x640/0x640 [ 793.145949] ? print_usage_bug+0xc0/0xc0 [ 793.150012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 793.155546] ? check_preemption_disabled+0x48/0x280 [ 793.160853] ? __lock_is_held+0xb5/0x140 [ 793.164916] __alloc_pages_nodemask+0xa80/0xde0 [ 793.169578] ? zap_class+0x640/0x640 [ 793.173290] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 793.178315] ? find_held_lock+0x36/0x1c0 [ 793.182381] ? ____cache_alloc_node+0x1c7/0x1e0 [ 793.187044] ? lock_downgrade+0x900/0x900 [ 793.191188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 793.196723] cache_grow_begin+0xa5/0x8c0 [ 793.200773] ? do_raw_spin_unlock+0xa7/0x330 [ 793.205183] fallback_alloc+0x204/0x2e0 [ 793.209159] ____cache_alloc_node+0x1c7/0x1e0 [ 793.213654] kmem_cache_alloc_node+0xe3/0x730 [ 793.218147] ? pskb_put+0xb0/0xb0 [ 793.221599] __alloc_skb+0x119/0x770 [ 793.225310] ? netdev_alloc_frag+0x1f0/0x1f0 [ 793.229713] ? atomic_notifier_call_chain+0xc6/0x190 [ 793.234823] ? lock_downgrade+0x900/0x900 [ 793.238967] ? check_preemption_disabled+0x48/0x280 [ 793.243980] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 793.248904] ? kasan_check_read+0x11/0x20 [ 793.253046] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 793.258608] ? rcu_softirq_qs+0x20/0x20 [ 793.262577] ? ipv4_neigh_lookup+0x9a0/0x9a0 [ 793.266978] ? do_raw_write_trylock+0x270/0x270 [ 793.271741] __neigh_notify+0x8c/0x160 [ 793.275640] neigh_timer_handler+0x6cb/0xdf0 [ 793.280058] ? neigh_periodic_work+0xc60/0xc60 [ 793.284634] ? __lock_is_held+0xb5/0x140 [ 793.288695] call_timer_fn+0x272/0x920 [ 793.292568] ? neigh_periodic_work+0xc60/0xc60 [ 793.297138] ? process_timeout+0x40/0x40 [ 793.301202] ? mark_held_locks+0xc7/0x130 [ 793.305345] ? _raw_spin_unlock_irq+0x27/0x80 [ 793.309832] ? _raw_spin_unlock_irq+0x27/0x80 [ 793.314311] ? neigh_periodic_work+0xc60/0xc60 [ 793.318886] ? lockdep_hardirqs_on+0x296/0x5b0 [ 793.323469] ? trace_hardirqs_on+0xbd/0x310 [ 793.327802] ? kasan_check_read+0x11/0x20 [ 793.331938] ? __run_timers+0x7da/0xc70 [ 793.335898] ? trace_hardirqs_off_caller+0x310/0x310 [ 793.341018] ? neigh_periodic_work+0xc60/0xc60 [ 793.345588] __run_timers+0x7e5/0xc70 [ 793.349383] ? timer_fixup_init+0x70/0x70 [ 793.353537] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 793.358784] ? zap_class+0x640/0x640 [ 793.362501] ? print_usage_bug+0xc0/0xc0 [ 793.366561] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 793.371745] ? find_held_lock+0x36/0x1c0 [ 793.375821] ? zap_class+0x640/0x640 [ 793.379563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 793.385101] ? check_preemption_disabled+0x48/0x280 [ 793.390245] ? __lock_is_held+0xb5/0x140 [ 793.394309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 793.399838] ? check_preemption_disabled+0x48/0x280 [ 793.404849] run_timer_softirq+0x52/0xb0 [ 793.408904] ? rcu_read_lock_sched_held+0x14f/0x180 [ 793.413913] __do_softirq+0x308/0xb7e [ 793.417727] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 793.422215] ? lock_downgrade+0x900/0x900 [ 793.426385] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 793.431579] ? pvclock_read_flags+0x160/0x160 [ 793.436067] ? lapic_next_event+0x5a/0x90 [ 793.440207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 793.445738] ? kvm_clock_read+0x18/0x30 [ 793.449724] ? kvm_sched_clock_read+0x9/0x20 [ 793.454141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 793.459972] ? check_preemption_disabled+0x48/0x280 [ 793.465084] irq_exit+0x17f/0x1c0 [ 793.468552] smp_apic_timer_interrupt+0x1cb/0x760 [ 793.473389] ? smp_reschedule_interrupt+0x109/0x650 [ 793.478403] ? smp_call_function_single_interrupt+0x650/0x650 [ 793.484382] ? interrupt_entry+0xb5/0xc0 [ 793.488442] ? trace_hardirqs_off_caller+0xbb/0x310 [ 793.493490] ? trace_hardirqs_off_caller+0xbb/0x310 [ 793.498506] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 793.503345] ? trace_hardirqs_on_caller+0x310/0x310 [ 793.508352] ? trace_hardirqs_on_caller+0x310/0x310 [ 793.513363] ? task_prio+0x50/0x50 [ 793.516902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 793.522435] ? check_preemption_disabled+0x48/0x280 [ 793.527467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 793.532318] apic_timer_interrupt+0xf/0x20 [ 793.536540] [ 793.538791] RIP: 0010:console_unlock+0x102f/0x1190 [ 793.543716] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 793.562929] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 793.570628] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 793.577894] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 793.585158] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 793.592526] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 793.599786] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 793.607063] ? netconsole_netdev_event+0x280/0x280 [ 793.612013] ? console_unlock+0x1026/0x1190 [ 793.616434] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 793.621107] ? vprintk_emit+0x846/0x990 [ 793.625079] ? lock_release+0xa00/0xa00 [ 793.629082] ? trace_hardirqs_on+0x70/0x310 [ 793.633418] ? vprintk_default+0x28/0x30 [ 793.637489] ? trace_hardirqs_off_caller+0x310/0x310 [ 793.642586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 793.648124] vprintk_emit+0x391/0x990 [ 793.651937] ? wake_up_klogd+0x180/0x180 [ 793.656280] ? find_held_lock+0x11/0x1c0 [ 793.660779] ? mark_held_locks+0xc7/0x130 [ 793.664920] ? _raw_spin_unlock_irq+0x27/0x80 [ 793.669408] ? _raw_spin_unlock_irq+0x27/0x80 [ 793.673899] vprintk_default+0x28/0x30 [ 793.677785] vprintk_func+0x7e/0x181 [ 793.681498] printk+0xa7/0xcf [ 793.684602] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 793.689361] ? _raw_spin_unlock_irq+0x60/0x80 [ 793.693945] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 793.699236] dump_header+0x7cc/0xf72 [ 793.702953] ? pagefault_out_of_memory+0x197/0x197 [ 793.707883] ? __lock_acquire+0x62f/0x4c20 [ 793.712119] ? print_usage_bug+0xc0/0xc0 [ 793.716180] ? zap_class+0x640/0x640 [ 793.719899] ? zap_class+0x640/0x640 [ 793.723606] ? print_usage_bug+0xc0/0xc0 [ 793.727676] ? print_usage_bug+0xc0/0xc0 [ 793.731746] ? find_held_lock+0x36/0x1c0 [ 793.735811] ? mark_held_locks+0xc7/0x130 [ 793.739954] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 793.745061] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 793.750170] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 793.754769] ? trace_hardirqs_on+0xbd/0x310 [ 793.759310] ? kasan_check_read+0x11/0x20 [ 793.763453] ? ___ratelimit+0x3b4/0x672 [ 793.767422] ? trace_hardirqs_off_caller+0x310/0x310 [ 793.772527] ? trace_hardirqs_on+0x310/0x310 [ 793.776927] ? lock_downgrade+0x900/0x900 [ 793.781096] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 793.786191] ? ___ratelimit+0x3b9/0x672 [ 793.790156] ? idr_get_free+0xf70/0xf70 [ 793.794119] ? kasan_check_read+0x11/0x20 [ 793.798258] ? do_raw_spin_unlock+0xa7/0x330 [ 793.802665] oom_kill_process.cold.27+0x10/0x903 [ 793.807412] ? zap_class+0x640/0x640 [ 793.811117] ? _raw_spin_unlock+0x2c/0x50 [ 793.815257] ? oom_badness+0xe6/0xaa0 [ 793.819054] ? oom_evaluate_task+0x540/0x540 [ 793.823470] ? find_held_lock+0x36/0x1c0 [ 793.827736] ? out_of_memory+0x974/0x1430 [ 793.831883] ? lock_downgrade+0x900/0x900 [ 793.836025] ? check_preemption_disabled+0x48/0x280 [ 793.841042] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 793.845968] ? kasan_check_read+0x11/0x20 [ 793.850108] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 793.855377] ? rcu_softirq_qs+0x20/0x20 [ 793.859611] ? kasan_check_write+0x14/0x20 [ 793.863924] ? oom_evaluate_task+0x302/0x540 [ 793.868325] out_of_memory+0xa84/0x1430 [ 793.872300] ? oom_killer_disable+0x3a0/0x3a0 [ 793.876792] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 793.881750] ? __ww_mutex_check_waiters+0x160/0x160 [ 793.886768] __alloc_pages_slowpath+0x2354/0x2e10 [ 793.891632] ? warn_alloc+0x120/0x120 [ 793.895513] ? mark_held_locks+0x130/0x130 [ 793.899743] ? find_get_entry+0xaae/0x1120 [ 793.904001] ? filemap_map_pages+0x1a20/0x1a20 [ 793.908582] ? zap_class+0x640/0x640 [ 793.912298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 793.917831] ? check_preemption_disabled+0x48/0x280 [ 793.922842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 793.928371] ? should_fail+0x22d/0xd01 [ 793.932254] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 793.937350] ? zap_class+0x640/0x640 [ 793.941091] ? __lock_is_held+0xb5/0x140 [ 793.945155] ? mark_held_locks+0x130/0x130 [ 793.949385] ? lock_release+0xa00/0xa00 [ 793.953447] ? perf_trace_sched_process_exec+0x860/0x860 [ 793.959175] ? xa_load+0x2ba/0x460 [ 793.962712] ? lock_downgrade+0x900/0x900 [ 793.966865] ? __might_sleep+0x95/0x190 [ 793.970840] __alloc_pages_nodemask+0xa80/0xde0 [ 793.975509] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 793.980519] ? __page_cache_alloc+0x191/0x5c0 [ 793.985008] ? xa_load+0x2e1/0x460 [ 793.988541] ? xa_clear_mark+0x40/0x40 [ 793.992426] ? zap_class+0x640/0x640 [ 793.996188] ? zap_class+0x640/0x640 [ 793.999894] ? zap_class+0x640/0x640 [ 794.003603] ? __do_page_cache_readahead+0x663/0x810 [ 794.008707] ? find_held_lock+0x36/0x1c0 [ 794.012784] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 794.018321] alloc_pages_current+0x173/0x350 [ 794.022729] __page_cache_alloc+0x38c/0x5c0 [ 794.027038] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 794.031955] ? kasan_check_read+0x11/0x20 [ 794.036099] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 794.041384] ? generic_perform_write+0x6a0/0x6a0 [ 794.046136] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 794.051668] ? check_preemption_disabled+0x48/0x280 [ 794.056922] filemap_fault+0x1595/0x25f0 [ 794.060987] ? __lock_page_or_retry+0xa00/0xa00 [ 794.065650] ? mark_held_locks+0x130/0x130 [ 794.069891] ? filemap_map_pages+0xd6b/0x1a20 [ 794.074381] ? lock_downgrade+0x900/0x900 [ 794.078519] ? check_preemption_disabled+0x48/0x280 [ 794.083531] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 794.088460] ? kasan_check_read+0x11/0x20 [ 794.092771] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 794.098038] ? rcu_softirq_qs+0x20/0x20 [ 794.102016] ? filemap_map_pages+0xd92/0x1a20 [ 794.106509] ? find_get_entries_tag+0x1400/0x1400 [ 794.111344] ? futex_wake+0x760/0x760 [ 794.115148] ? lock_acquire+0x1ed/0x520 [ 794.119109] ? ext4_filemap_fault+0x7a/0xad [ 794.123513] ? lock_release+0xa00/0xa00 [ 794.127479] ? perf_trace_sched_process_exec+0x860/0x860 [ 794.132925] ? print_usage_bug+0xc0/0xc0 [ 794.136990] ? print_usage_bug+0xc0/0xc0 [ 794.141055] ? down_read+0x8d/0x120 [ 794.144694] ? ext4_filemap_fault+0x7a/0xad [ 794.149015] ? __down_interruptible+0x700/0x700 [ 794.153683] ext4_filemap_fault+0x82/0xad [ 794.158062] __do_fault+0x100/0x6b0 [ 794.161685] ? pmd_devmap_trans_unstable+0x220/0x220 [ 794.166797] ? mark_held_locks+0x130/0x130 [ 794.171031] ? mark_held_locks+0x130/0x130 [ 794.175259] ? __might_fault+0x12b/0x1e0 [ 794.179319] ? lock_downgrade+0x900/0x900 [ 794.183469] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 794.189004] __handle_mm_fault+0x3ea0/0x5be0 [ 794.193528] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 794.198366] ? kasan_check_read+0x11/0x20 [ 794.202504] ? _copy_to_user+0xc8/0x110 [ 794.206476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 794.212011] ? zap_class+0x640/0x640 [ 794.215715] ? zap_class+0x640/0x640 [ 794.219436] ? find_held_lock+0x36/0x1c0 [ 794.223508] ? handle_mm_fault+0x42a/0xc70 [ 794.227753] ? lock_downgrade+0x900/0x900 [ 794.231895] ? check_preemption_disabled+0x48/0x280 [ 794.236910] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 794.241830] ? kasan_check_read+0x11/0x20 [ 794.245983] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 794.251250] ? rcu_softirq_qs+0x20/0x20 [ 794.255224] ? trace_hardirqs_off_caller+0x310/0x310 [ 794.260549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 794.266077] ? check_preemption_disabled+0x48/0x280 [ 794.271115] handle_mm_fault+0x54f/0xc70 [ 794.275172] ? __handle_mm_fault+0x5be0/0x5be0 [ 794.279751] ? find_vma+0x34/0x190 [ 794.283291] __do_page_fault+0x5e8/0xe60 [ 794.287342] ? trace_hardirqs_off+0xb8/0x310 [ 794.291752] do_page_fault+0xf2/0x7e0 [ 794.295545] ? vmalloc_sync_all+0x30/0x30 [ 794.299711] ? error_entry+0x70/0xd0 [ 794.303419] ? trace_hardirqs_off_caller+0xbb/0x310 [ 794.308449] ? trace_hardirqs_on_caller+0xc0/0x310 [ 794.313369] ? syscall_return_slowpath+0x5e0/0x5e0 [ 794.318294] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 794.323155] ? trace_hardirqs_on_caller+0x310/0x310 [ 794.328162] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 794.333607] ? prepare_exit_to_usermode+0x291/0x3b0 [ 794.338617] ? page_fault+0x8/0x30 [ 794.342154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 794.347076] ? page_fault+0x8/0x30 [ 794.350611] page_fault+0x1e/0x30 [ 794.354055] RIP: 0033:0x407e06 [ 794.357567] Code: Bad RIP value. [ 794.360922] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 794.366283] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 794.373546] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 794.380806] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 794.388062] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 794.395321] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 794.402608] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 794.402772] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 794.409883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 794.420084] syz-fuzzer cpuset=/ mems_allowed=0 [ 794.429415] Call Trace: [ 794.436570] dump_stack+0x244/0x39d [ 794.440197] ? dump_stack_print_info.cold.1+0x20/0x20 [ 794.445407] warn_alloc.cold.116+0xb7/0x1bd [ 794.449726] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 794.454566] ? lock_downgrade+0x900/0x900 [ 794.459207] ? trace_hardirqs_off+0xb8/0x310 [ 794.463731] ? trace_hardirqs_off+0xb8/0x310 [ 794.468155] __alloc_pages_slowpath+0x26e8/0x2e10 [ 794.473010] ? warn_alloc+0x120/0x120 [ 794.476820] ? zap_class+0x640/0x640 [ 794.480529] ? warn_alloc+0x120/0x120 [ 794.484324] ? warn_alloc+0x120/0x120 [ 794.488131] ? print_usage_bug+0xc0/0xc0 [ 794.492202] ? find_held_lock+0x36/0x1c0 [ 794.496263] ? print_usage_bug+0xc0/0xc0 [ 794.500319] ? cpuacct_charge+0x265/0x440 [ 794.504459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 794.509985] ? should_fail+0x22d/0xd01 [ 794.513881] ? find_held_lock+0x36/0x1c0 [ 794.517941] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 794.523037] ? __lock_acquire+0x62f/0x4c20 [ 794.527275] ? should_fail+0x22d/0xd01 [ 794.531170] ? mark_held_locks+0x130/0x130 [ 794.535501] ? mark_held_locks+0x130/0x130 [ 794.539818] ? __lock_acquire+0x62f/0x4c20 [ 794.544060] ? zap_class+0x640/0x640 [ 794.547763] ? __lock_is_held+0xb5/0x140 [ 794.551820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 794.557812] ? check_preemption_disabled+0x48/0x280 [ 794.562849] ? __lock_is_held+0xb5/0x140 [ 794.566931] __alloc_pages_nodemask+0xa80/0xde0 [ 794.571602] ? zap_class+0x640/0x640 [ 794.575311] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 794.580332] ? find_held_lock+0x36/0x1c0 [ 794.584402] ? ____cache_alloc_node+0x1c7/0x1e0 [ 794.589074] ? lock_downgrade+0x900/0x900 [ 794.593223] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 794.598768] cache_grow_begin+0xa5/0x8c0 [ 794.602820] ? do_raw_spin_unlock+0xa7/0x330 [ 794.607225] fallback_alloc+0x204/0x2e0 [ 794.611198] ____cache_alloc_node+0x1c7/0x1e0 [ 794.615708] kmem_cache_alloc+0x1f8/0x730 [ 794.619857] skb_clone+0x1bb/0x500 [ 794.623387] ? finish_task_switch+0x1b4/0x910 [ 794.627884] ? skb_split+0x11e0/0x11e0 [ 794.631765] ? preempt_notifier_register+0x200/0x200 [ 794.636879] ? __switch_to_asm+0x34/0x70 [ 794.640941] ? __switch_to_asm+0x34/0x70 [ 794.644996] ? __switch_to_asm+0x40/0x70 [ 794.649047] ? __switch_to_asm+0x34/0x70 [ 794.653094] ? __switch_to_asm+0x40/0x70 [ 794.657471] ? __switch_to_asm+0x34/0x70 [ 794.661781] ? __switch_to_asm+0x40/0x70 [ 794.665850] ? __switch_to_asm+0x34/0x70 [ 794.669997] ? __switch_to_asm+0x34/0x70 [ 794.674049] ? __switch_to_asm+0x40/0x70 [ 794.678110] ? __switch_to_asm+0x34/0x70 [ 794.682191] bpf_clone_redirect+0xb9/0x490 [ 794.686445] ? __schedule+0x8d7/0x21d0 [ 794.690337] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 794.695368] ? __sched_text_start+0x8/0x8 [ 794.699514] ? retint_kernel+0x2d/0x2d [ 794.703407] ? find_held_lock+0x36/0x1c0 [ 794.707480] ? lock_acquire+0x1ed/0x520 [ 794.711449] ? bpf_test_run+0x3cb/0x780 [ 794.715422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 794.720957] ? check_preemption_disabled+0x48/0x280 [ 794.725978] ? kasan_check_read+0x11/0x20 [ 794.730131] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 794.735402] ? rcu_softirq_qs+0x20/0x20 [ 794.739383] ? preempt_schedule+0x4d/0x60 [ 794.743534] ? ___preempt_schedule+0x16/0x18 [ 794.747961] ? bpf_test_run+0x25d/0x780 [ 794.751945] ? netlink_diag_dump+0x2a0/0x2a0 [ 794.756860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 794.762393] ? bpf_test_init.isra.10+0x70/0x100 [ 794.767072] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 794.771832] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 794.776683] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 794.782228] ? fput+0x130/0x1a0 [ 794.785514] ? __bpf_prog_get+0x9b/0x290 [ 794.789572] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 794.794414] ? bpf_prog_test_run+0x130/0x1a0 [ 794.798838] ? __x64_sys_bpf+0x3db/0x520 [ 794.802891] ? bpf_prog_get+0x20/0x20 [ 794.806707] ? do_syscall_64+0x1b9/0x820 [ 794.810765] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 794.816321] ? syscall_return_slowpath+0x5e0/0x5e0 [ 794.821261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 794.826101] ? trace_hardirqs_on_caller+0x310/0x310 [ 794.831128] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 794.836164] ? prepare_exit_to_usermode+0x291/0x3b0 [ 794.841179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 794.846020] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 794.851393] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 794.851397] warn_alloc_show_mem: 1 callbacks suppressed [ 794.851404] Mem-Info: [ 794.858712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 794.864074] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 794.864074] active_file:32 inactive_file:0 isolated_file:0 [ 794.864074] unevictable:0 dirty:0 writeback:0 unstable:0 [ 794.864074] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 794.864074] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 794.864074] free:13730 free_pcp:227 free_cma:0 [ 794.866444] Call Trace: [ 794.875845] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 794.908891] [ 794.911454] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 794.939409] dump_stack+0x244/0x39d [ 794.941525] lowmem_reserve[]: 0 2818 6321 6321 [ 794.967987] ? dump_stack_print_info.cold.1+0x20/0x20 [ 794.971588] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 794.976167] warn_alloc.cold.116+0xb7/0x1bd [ 794.981315] lowmem_reserve[]: 0 0 3503 3503 [ 795.008816] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 795.013113] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 795.017438] ? lock_downgrade+0x900/0x900 [ 795.022254] lowmem_reserve[]: 0 0 0 0 [ 795.051396] ? trace_hardirqs_off+0xb8/0x310 [ 795.055969] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 795.059775] ? trace_hardirqs_off+0xb8/0x310 [ 795.064155] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 795.077676] __alloc_pages_slowpath+0x26e8/0x2e10 [ 795.082054] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 795.096805] ? warn_alloc+0x120/0x120 [ 795.101636] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 795.115747] ? warn_alloc+0x120/0x120 [ 795.119519] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 795.128336] ? warn_alloc+0x120/0x120 [ 795.132104] 6658 total pagecache pages [ 795.140675] ? print_usage_bug+0xc0/0xc0 [ 795.144450] 0 pages in swap cache [ 795.148317] ? enqueue_hrtimer+0x1a5/0x560 [ 795.152348] Swap cache stats: add 0, delete 0, find 0/0 [ 795.155903] ? print_usage_bug+0xc0/0xc0 [ 795.155911] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 795.155945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 795.155964] ? should_fail+0x22d/0xd01 [ 795.160169] Free swap = 0kB [ 795.165519] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 795.169548] Total swap = 0kB [ 795.174725] ? __lock_acquire+0x62f/0x4c20 [ 795.180231] 1965979 pages RAM [ 795.184107] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 795.187094] 0 pages HighMem/MovableOnly [ 795.192179] ? __lock_acquire+0x62f/0x4c20 [ 795.195167] 342853 pages reserved [ 795.199376] ? should_fail+0x22d/0xd01 [ 795.199406] ? mark_held_locks+0x130/0x130 [ 795.202479] 0 pages cma reserved [ 795.207570] ? mark_held_locks+0x130/0x130 [ 795.233865] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 795.234847] ? zap_class+0x640/0x640 [ 795.245125] kworker/1:0 cpuset=/ mems_allowed=0 [ 795.248829] ? print_usage_bug+0xc0/0xc0 [ 795.257771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 795.263303] ? check_preemption_disabled+0x48/0x280 [ 795.268324] ? __lock_is_held+0xb5/0x140 [ 795.272386] __alloc_pages_nodemask+0xa80/0xde0 [ 795.277064] ? zap_class+0x640/0x640 [ 795.280790] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 795.285810] ? find_held_lock+0x36/0x1c0 [ 795.289876] ? ____cache_alloc_node+0x1c7/0x1e0 [ 795.294551] ? lock_downgrade+0x900/0x900 [ 795.298702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 795.304239] cache_grow_begin+0xa5/0x8c0 [ 795.308294] ? do_raw_spin_unlock+0xa7/0x330 [ 795.312705] fallback_alloc+0x204/0x2e0 [ 795.316682] ____cache_alloc_node+0x1c7/0x1e0 [ 795.321210] kmem_cache_alloc_node+0xe3/0x730 [ 795.325701] ? ipv6_get_ifaddr+0x42e/0x620 [ 795.329938] __alloc_skb+0x119/0x770 [ 795.333648] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 795.338920] ? netdev_alloc_frag+0x1f0/0x1f0 [ 795.343420] ? lock_downgrade+0x900/0x900 [ 795.347565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 795.353094] ? refcount_sub_and_test_checked+0x203/0x310 [ 795.358768] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 795.364211] ? addrconf_rs_timer+0x690/0x690 [ 795.368628] ndisc_alloc_skb+0x144/0x340 [ 795.372689] ndisc_send_rs+0x331/0x6e0 [ 795.376579] addrconf_rs_timer+0x314/0x690 [ 795.380813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 795.385072] call_timer_fn+0x272/0x920 [ 795.388956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 795.393186] ? process_timeout+0x40/0x40 [ 795.397252] ? mark_held_locks+0xc7/0x130 [ 795.401410] ? _raw_spin_unlock_irq+0x27/0x80 [ 795.405908] ? _raw_spin_unlock_irq+0x27/0x80 [ 795.410506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 795.414734] ? lockdep_hardirqs_on+0x296/0x5b0 [ 795.419311] ? trace_hardirqs_on+0xbd/0x310 [ 795.423642] ? kasan_check_read+0x11/0x20 [ 795.427785] ? __run_timers+0x7da/0xc70 [ 795.431755] ? trace_hardirqs_off_caller+0x310/0x310 [ 795.436862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 795.441090] __run_timers+0x7e5/0xc70 [ 795.444896] ? timer_fixup_init+0x70/0x70 [ 795.449040] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 795.454051] ? zap_class+0x640/0x640 [ 795.458021] ? print_usage_bug+0xc0/0xc0 [ 795.462259] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 795.467449] ? find_held_lock+0x36/0x1c0 [ 795.471508] ? zap_class+0x640/0x640 [ 795.475220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 795.480755] ? check_preemption_disabled+0x48/0x280 [ 795.485774] ? __lock_is_held+0xb5/0x140 [ 795.489831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 795.495490] ? check_preemption_disabled+0x48/0x280 [ 795.500504] run_timer_softirq+0x52/0xb0 [ 795.504561] ? rcu_read_lock_sched_held+0x14f/0x180 [ 795.509586] __do_softirq+0x308/0xb7e [ 795.513390] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 795.517881] ? lock_downgrade+0x900/0x900 [ 795.522024] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 795.527130] ? pvclock_read_flags+0x160/0x160 [ 795.531623] ? lapic_next_event+0x5a/0x90 [ 795.535781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 795.541313] ? kvm_clock_read+0x18/0x30 [ 795.545285] ? kvm_sched_clock_read+0x9/0x20 [ 795.549710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 795.555241] ? check_preemption_disabled+0x48/0x280 [ 795.560528] irq_exit+0x17f/0x1c0 [ 795.563977] smp_apic_timer_interrupt+0x1cb/0x760 [ 795.568813] ? smp_reschedule_interrupt+0x109/0x650 [ 795.573823] ? smp_call_function_single_interrupt+0x650/0x650 [ 795.579697] ? interrupt_entry+0xb5/0xc0 [ 795.583755] ? trace_hardirqs_off_caller+0xbb/0x310 [ 795.588763] ? trace_hardirqs_off_caller+0xbb/0x310 [ 795.593773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 795.598611] ? trace_hardirqs_on_caller+0x310/0x310 [ 795.603618] ? trace_hardirqs_on_caller+0x310/0x310 [ 795.608624] ? task_prio+0x50/0x50 [ 795.612154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 795.617682] ? check_preemption_disabled+0x48/0x280 [ 795.622691] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 795.627614] apic_timer_interrupt+0xf/0x20 [ 795.631836] [ 795.634072] RIP: 0010:console_unlock+0x102f/0x1190 [ 795.639008] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 795.658778] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 795.666475] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 795.673739] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 795.681001] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 795.688270] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 795.695533] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 795.702800] ? netconsole_netdev_event+0x280/0x280 [ 795.707729] ? console_unlock+0x1026/0x1190 [ 795.712056] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 795.716737] ? vprintk_emit+0x846/0x990 [ 795.720711] ? lock_release+0xa00/0xa00 [ 795.724764] ? trace_hardirqs_on+0x70/0x310 [ 795.729083] ? vprintk_default+0x28/0x30 [ 795.733135] ? trace_hardirqs_off_caller+0x310/0x310 [ 795.738235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 795.743766] vprintk_emit+0x391/0x990 [ 795.747562] ? wake_up_klogd+0x180/0x180 [ 795.751622] ? find_held_lock+0x11/0x1c0 [ 795.755839] ? mark_held_locks+0xc7/0x130 [ 795.759975] ? _raw_spin_unlock_irq+0x27/0x80 [ 795.764462] ? _raw_spin_unlock_irq+0x27/0x80 [ 795.769041] vprintk_default+0x28/0x30 [ 795.773012] vprintk_func+0x7e/0x181 [ 795.776735] printk+0xa7/0xcf [ 795.779857] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 795.784625] ? _raw_spin_unlock_irq+0x60/0x80 [ 795.789125] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 795.794410] dump_header+0x7cc/0xf72 [ 795.798122] ? pagefault_out_of_memory+0x197/0x197 [ 795.803050] ? __lock_acquire+0x62f/0x4c20 [ 795.807415] ? print_usage_bug+0xc0/0xc0 [ 795.811491] ? zap_class+0x640/0x640 [ 795.815193] ? zap_class+0x640/0x640 [ 795.818901] ? print_usage_bug+0xc0/0xc0 [ 795.822954] ? print_usage_bug+0xc0/0xc0 [ 795.827200] ? find_held_lock+0x36/0x1c0 [ 795.831265] ? mark_held_locks+0xc7/0x130 [ 795.835422] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 795.840523] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 795.845619] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 795.850197] ? trace_hardirqs_on+0xbd/0x310 [ 795.854515] ? kasan_check_read+0x11/0x20 [ 795.858908] ? ___ratelimit+0x3b4/0x672 [ 795.862878] ? trace_hardirqs_off_caller+0x310/0x310 [ 795.867975] ? trace_hardirqs_on+0x310/0x310 [ 795.872382] ? lock_downgrade+0x900/0x900 [ 795.876534] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 795.881630] ? ___ratelimit+0x3b9/0x672 [ 795.885597] ? idr_get_free+0xf70/0xf70 [ 795.889565] ? kasan_check_read+0x11/0x20 [ 795.893701] ? do_raw_spin_unlock+0xa7/0x330 [ 795.898109] oom_kill_process.cold.27+0x10/0x903 [ 795.902858] ? zap_class+0x640/0x640 [ 795.906566] ? _raw_spin_unlock+0x2c/0x50 [ 795.910723] ? oom_badness+0xe6/0xaa0 [ 795.914548] ? oom_evaluate_task+0x540/0x540 [ 795.918949] ? find_held_lock+0x36/0x1c0 [ 795.923012] ? out_of_memory+0x974/0x1430 [ 795.927156] ? lock_downgrade+0x900/0x900 [ 795.931299] ? check_preemption_disabled+0x48/0x280 [ 795.936312] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 795.941234] ? kasan_check_read+0x11/0x20 [ 795.945375] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 795.950648] ? rcu_softirq_qs+0x20/0x20 [ 795.954617] ? kasan_check_write+0x14/0x20 [ 795.959092] ? oom_evaluate_task+0x302/0x540 [ 795.963516] out_of_memory+0xa84/0x1430 [ 795.967498] ? oom_killer_disable+0x3a0/0x3a0 [ 795.972001] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 795.976941] ? __ww_mutex_check_waiters+0x160/0x160 [ 795.981958] __alloc_pages_slowpath+0x2354/0x2e10 [ 795.986839] ? warn_alloc+0x120/0x120 [ 795.990648] ? mark_held_locks+0x130/0x130 [ 795.994879] ? find_get_entry+0xaae/0x1120 [ 795.999113] ? filemap_map_pages+0x1a20/0x1a20 [ 796.003695] ? zap_class+0x640/0x640 [ 796.007412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 796.012942] ? check_preemption_disabled+0x48/0x280 [ 796.017954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 796.023477] ? should_fail+0x22d/0xd01 [ 796.027378] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 796.032474] ? zap_class+0x640/0x640 [ 796.036201] ? __lock_is_held+0xb5/0x140 [ 796.040257] ? mark_held_locks+0x130/0x130 [ 796.044482] ? lock_release+0xa00/0xa00 [ 796.048447] ? perf_trace_sched_process_exec+0x860/0x860 [ 796.053889] ? xa_load+0x2ba/0x460 [ 796.057716] ? lock_downgrade+0x900/0x900 [ 796.061860] ? __might_sleep+0x95/0x190 [ 796.065831] __alloc_pages_nodemask+0xa80/0xde0 [ 796.070519] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 796.075528] ? __page_cache_alloc+0x191/0x5c0 [ 796.080013] ? xa_load+0x2e1/0x460 [ 796.083547] ? xa_clear_mark+0x40/0x40 [ 796.087428] ? zap_class+0x640/0x640 [ 796.091136] ? zap_class+0x640/0x640 [ 796.094836] ? zap_class+0x640/0x640 [ 796.098553] ? __do_page_cache_readahead+0x663/0x810 [ 796.103663] ? find_held_lock+0x36/0x1c0 [ 796.107738] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 796.113271] alloc_pages_current+0x173/0x350 [ 796.117690] __page_cache_alloc+0x38c/0x5c0 [ 796.122110] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 796.127034] ? kasan_check_read+0x11/0x20 [ 796.131177] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 796.136552] ? generic_perform_write+0x6a0/0x6a0 [ 796.141312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 796.146861] ? check_preemption_disabled+0x48/0x280 [ 796.151873] filemap_fault+0x1595/0x25f0 [ 796.156206] ? __lock_page_or_retry+0xa00/0xa00 [ 796.160869] ? mark_held_locks+0x130/0x130 [ 796.165098] ? filemap_map_pages+0xd6b/0x1a20 [ 796.169598] ? lock_downgrade+0x900/0x900 [ 796.173735] ? check_preemption_disabled+0x48/0x280 [ 796.178827] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 796.183741] ? kasan_check_read+0x11/0x20 [ 796.187892] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 796.193158] ? rcu_softirq_qs+0x20/0x20 [ 796.197128] ? filemap_map_pages+0xd92/0x1a20 [ 796.201639] ? find_get_entries_tag+0x1400/0x1400 [ 796.206476] ? futex_wake+0x760/0x760 [ 796.210280] ? lock_acquire+0x1ed/0x520 [ 796.214241] ? ext4_filemap_fault+0x7a/0xad [ 796.218594] ? lock_release+0xa00/0xa00 [ 796.222558] ? perf_trace_sched_process_exec+0x860/0x860 [ 796.228000] ? print_usage_bug+0xc0/0xc0 [ 796.232054] ? print_usage_bug+0xc0/0xc0 [ 796.236118] ? down_read+0x8d/0x120 [ 796.239746] ? ext4_filemap_fault+0x7a/0xad [ 796.244071] ? __down_interruptible+0x700/0x700 [ 796.248755] ext4_filemap_fault+0x82/0xad [ 796.252893] __do_fault+0x100/0x6b0 [ 796.256724] ? pmd_devmap_trans_unstable+0x220/0x220 [ 796.261823] ? mark_held_locks+0x130/0x130 [ 796.266049] ? mark_held_locks+0x130/0x130 [ 796.270277] ? __might_fault+0x12b/0x1e0 [ 796.274330] ? lock_downgrade+0x900/0x900 [ 796.278507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 796.284045] __handle_mm_fault+0x3ea0/0x5be0 [ 796.288456] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 796.293297] ? kasan_check_read+0x11/0x20 [ 796.297447] ? _copy_to_user+0xc8/0x110 [ 796.301426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 796.306965] ? zap_class+0x640/0x640 [ 796.310671] ? zap_class+0x640/0x640 [ 796.314394] ? find_held_lock+0x36/0x1c0 [ 796.318455] ? handle_mm_fault+0x42a/0xc70 [ 796.322681] ? lock_downgrade+0x900/0x900 [ 796.326817] ? check_preemption_disabled+0x48/0x280 [ 796.331830] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 796.336749] ? kasan_check_read+0x11/0x20 [ 796.340892] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 796.346162] ? rcu_softirq_qs+0x20/0x20 [ 796.350124] ? trace_hardirqs_off_caller+0x310/0x310 [ 796.355215] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 796.360986] ? check_preemption_disabled+0x48/0x280 [ 796.365999] handle_mm_fault+0x54f/0xc70 [ 796.370065] ? __handle_mm_fault+0x5be0/0x5be0 [ 796.374640] ? find_vma+0x34/0x190 [ 796.378178] __do_page_fault+0x5e8/0xe60 [ 796.382230] ? trace_hardirqs_off+0xb8/0x310 [ 796.386639] do_page_fault+0xf2/0x7e0 [ 796.390427] ? vmalloc_sync_all+0x30/0x30 [ 796.394567] ? error_entry+0x70/0xd0 [ 796.398268] ? trace_hardirqs_off_caller+0xbb/0x310 [ 796.403293] ? trace_hardirqs_on_caller+0xc0/0x310 [ 796.408233] ? syscall_return_slowpath+0x5e0/0x5e0 [ 796.413153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 796.417988] ? trace_hardirqs_on_caller+0x310/0x310 [ 796.422998] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 796.428448] ? prepare_exit_to_usermode+0x291/0x3b0 [ 796.433464] ? page_fault+0x8/0x30 [ 796.437000] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 796.441840] ? page_fault+0x8/0x30 [ 796.445385] page_fault+0x1e/0x30 [ 796.448831] RIP: 0033:0x407e06 [ 796.452032] Code: Bad RIP value. [ 796.455415] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 796.461059] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 796.468318] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 796.475574] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 796.482841] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 796.490095] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 796.497387] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 796.497449] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 796.504310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 796.504329] Workqueue: events_power_efficient neigh_periodic_work [ 796.504338] Call Trace: [ 796.510863] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 796.520157] dump_stack+0x244/0x39d [ 796.526441] syz-fuzzer cpuset=/ mems_allowed=0 [ 796.529015] ? dump_stack_print_info.cold.1+0x20/0x20 [ 796.552567] warn_alloc.cold.116+0xb7/0x1bd [ 796.557424] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 796.562265] ? lock_downgrade+0x900/0x900 [ 796.566427] ? trace_hardirqs_off+0xb8/0x310 [ 796.570831] ? trace_hardirqs_off+0xb8/0x310 [ 796.575258] __alloc_pages_slowpath+0x26e8/0x2e10 [ 796.580117] ? warn_alloc+0x120/0x120 [ 796.583931] ? warn_alloc+0x120/0x120 [ 796.587723] ? check_preemption_disabled+0x48/0x280 [ 796.592731] ? warn_alloc+0x120/0x120 [ 796.596542] ? zap_class+0x640/0x640 [ 796.600255] ? print_usage_bug+0xc0/0xc0 [ 796.604341] ? print_usage_bug+0xc0/0xc0 [ 796.608405] ? __lock_acquire+0x62f/0x4c20 [ 796.612637] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 796.618167] ? should_fail+0x22d/0xd01 [ 796.622054] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 796.627171] ? __lock_acquire+0x62f/0x4c20 [ 796.631404] ? __lock_acquire+0x62f/0x4c20 [ 796.635632] ? should_fail+0x22d/0xd01 [ 796.639523] ? mark_held_locks+0x130/0x130 [ 796.643758] ? mark_held_locks+0x130/0x130 [ 796.647988] ? pick_next_task_fair+0xa05/0x1b30 [ 796.652654] ? rcu_read_lock_sched_held+0x14f/0x180 [ 796.658443] ? zap_class+0x640/0x640 [ 796.662153] ? zap_class+0x640/0x640 [ 796.665868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 796.671404] ? check_preemption_disabled+0x48/0x280 [ 796.676443] ? __lock_is_held+0xb5/0x140 [ 796.680519] __alloc_pages_nodemask+0xa80/0xde0 [ 796.685206] ? zap_class+0x640/0x640 [ 796.688919] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 796.693940] ? find_held_lock+0x36/0x1c0 [ 796.698005] ? ____cache_alloc_node+0x1c7/0x1e0 [ 796.702671] ? lock_downgrade+0x900/0x900 [ 796.706823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 796.712366] cache_grow_begin+0xa5/0x8c0 [ 796.716421] ? do_raw_spin_unlock+0xa7/0x330 [ 796.720831] fallback_alloc+0x204/0x2e0 [ 796.724881] ____cache_alloc_node+0x1c7/0x1e0 [ 796.729381] kmem_cache_alloc_node+0xe3/0x730 [ 796.733871] ? zap_class+0x640/0x640 [ 796.737574] ? __sched_text_start+0x8/0x8 [ 796.741725] __alloc_skb+0x119/0x770 [ 796.745434] ? zap_class+0x640/0x640 [ 796.749146] ? netdev_alloc_frag+0x1f0/0x1f0 [ 796.753552] ? neigh_periodic_work+0x8ca/0xc60 [ 796.758610] ? lock_downgrade+0x900/0x900 [ 796.762758] ? kasan_check_read+0x11/0x20 [ 796.766898] ? do_raw_write_lock+0x14f/0x310 [ 796.771311] __neigh_notify+0x8c/0x160 [ 796.775203] neigh_cleanup_and_release+0x7b/0xe0 [ 796.779952] neigh_periodic_work+0x8d2/0xc60 [ 796.786016] ? neigh_table_clear+0x390/0x390 [ 796.790427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 796.795962] ? check_preemption_disabled+0x48/0x280 [ 796.800982] ? __lock_is_held+0xb5/0x140 [ 796.805049] process_one_work+0xc90/0x1c40 [ 796.809280] ? mark_held_locks+0x130/0x130 [ 796.813522] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 796.818189] ? __switch_to_asm+0x40/0x70 [ 796.822241] ? __switch_to_asm+0x40/0x70 [ 796.826292] ? __switch_to_asm+0x34/0x70 [ 796.830371] ? __switch_to_asm+0x40/0x70 [ 796.834426] ? __switch_to_asm+0x34/0x70 [ 796.838482] ? __switch_to_asm+0x40/0x70 [ 796.842533] ? __switch_to_asm+0x34/0x70 [ 796.846588] ? __switch_to_asm+0x40/0x70 [ 796.850652] ? __schedule+0x8d7/0x21d0 [ 796.854667] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 796.859260] ? zap_class+0x640/0x640 [ 796.862976] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 796.867755] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 796.872827] ? lock_acquire+0x1ed/0x520 [ 796.876793] ? worker_thread+0x3e0/0x1390 [ 796.880940] ? kasan_check_read+0x11/0x20 [ 796.885077] ? do_raw_spin_lock+0x14f/0x350 [ 796.889401] ? kasan_check_read+0x11/0x20 [ 796.893542] ? rwlock_bug.part.2+0x90/0x90 [ 796.897773] ? trace_hardirqs_on+0x310/0x310 [ 796.902304] worker_thread+0x17f/0x1390 [ 796.906266] ? __switch_to_asm+0x34/0x70 [ 796.910340] ? process_one_work+0x1c40/0x1c40 [ 796.914843] ? __sched_text_start+0x8/0x8 [ 796.919005] ? __kthread_parkme+0xce/0x1a0 [ 796.923412] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 796.928527] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 796.933645] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 796.938223] ? trace_hardirqs_on+0xbd/0x310 [ 796.942537] ? kasan_check_read+0x11/0x20 [ 796.946679] ? __kthread_parkme+0xce/0x1a0 [ 796.950911] ? trace_hardirqs_off_caller+0x310/0x310 [ 796.956111] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 796.961213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 796.966756] ? __kthread_parkme+0xfb/0x1a0 [ 796.971251] ? process_one_work+0x1c40/0x1c40 [ 796.975741] kthread+0x35a/0x440 [ 796.979102] ? kthread_stop+0x900/0x900 [ 796.983078] ret_from_fork+0x3a/0x50 [ 796.986799] warn_alloc_show_mem: 1 callbacks suppressed [ 796.986809] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 796.986811] Mem-Info: [ 796.986843] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 796.986843] active_file:32 inactive_file:0 isolated_file:0 [ 796.986843] unevictable:0 dirty:0 writeback:0 unstable:0 [ 796.986843] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 796.986843] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 796.986843] free:13730 free_pcp:227 free_cma:0 [ 796.992180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 796.999188] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 797.001572] Call Trace: [ 797.034517] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 797.043856] [ 797.072006] lowmem_reserve[]: 0 2818 6321 6321 [ 797.074581] dump_stack+0x244/0x39d [ 797.100651] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 797.102789] ? dump_stack_print_info.cold.1+0x20/0x20 [ 797.107339] lowmem_reserve[]: 0 0 3503 3503 [ 797.110970] warn_alloc.cold.116+0xb7/0x1bd [ 797.145492] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 797.150675] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 797.154962] lowmem_reserve[]: 0 0 0 0 [ 797.159270] ? lock_downgrade+0x900/0x900 [ 797.188766] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 797.193628] ? trace_hardirqs_off+0xb8/0x310 [ 797.197389] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 797.201524] ? trace_hardirqs_off+0xb8/0x310 [ 797.215012] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 797.219496] __alloc_pages_slowpath+0x26e8/0x2e10 [ 797.234202] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 797.238613] ? warn_alloc+0x120/0x120 [ 797.252788] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 797.257607] ? print_usage_bug+0xc0/0xc0 [ 797.266412] 6658 total pagecache pages [ 797.270446] ? warn_alloc+0x120/0x120 [ 797.278998] 0 pages in swap cache [ 797.283035] ? warn_alloc+0x120/0x120 [ 797.286900] Swap cache stats: add 0, delete 0, find 0/0 [ 797.290678] ? print_usage_bug+0xc0/0xc0 [ 797.294097] Free swap = 0kB [ 797.297884] ? print_usage_bug+0xc0/0xc0 [ 797.303218] Total swap = 0kB [ 797.307268] ? __lock_acquire+0x62f/0x4c20 [ 797.310257] 1965979 pages RAM [ 797.314306] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 797.317286] 0 pages HighMem/MovableOnly [ 797.317294] 342853 pages reserved [ 797.321511] ? should_fail+0x22d/0xd01 [ 797.324585] 0 pages cma reserved [ 797.330107] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 797.334166] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 797.337489] ? __lock_acquire+0x62f/0x4c20 [ 797.341355] kworker/1:0 cpuset=/ mems_allowed=0 [ 797.344709] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 797.374357] ? __lock_acquire+0x62f/0x4c20 [ 797.378581] ? should_fail+0x22d/0xd01 [ 797.382454] ? find_held_lock+0x36/0x1c0 [ 797.386530] ? mark_held_locks+0x130/0x130 [ 797.390761] ? mark_held_locks+0x130/0x130 [ 797.395085] ? zap_class+0x640/0x640 [ 797.398793] ? zap_class+0x640/0x640 [ 797.402500] ? print_usage_bug+0xc0/0xc0 [ 797.406566] ? do_raw_spin_unlock+0xa7/0x330 [ 797.410968] ? zap_class+0x640/0x640 [ 797.414668] ? print_usage_bug+0xc0/0xc0 [ 797.418723] ? wq_watchdog_touch+0x9c/0xfe [ 797.422959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 797.428505] ? check_preemption_disabled+0x48/0x280 [ 797.433557] ? __lock_is_held+0xb5/0x140 [ 797.437642] __alloc_pages_nodemask+0xa80/0xde0 [ 797.442326] ? zap_class+0x640/0x640 [ 797.446043] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 797.451085] ? find_held_lock+0x36/0x1c0 [ 797.455143] ? ____cache_alloc_node+0x1c7/0x1e0 [ 797.459803] ? lock_downgrade+0x900/0x900 [ 797.463949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 797.469768] cache_grow_begin+0xa5/0x8c0 [ 797.473825] ? do_raw_spin_unlock+0xa7/0x330 [ 797.478242] fallback_alloc+0x204/0x2e0 [ 797.482218] ____cache_alloc_node+0x1c7/0x1e0 [ 797.486707] kmem_cache_alloc_node+0xe3/0x730 [ 797.491194] ? ipv6_get_ifaddr+0x42e/0x620 [ 797.495425] __alloc_skb+0x119/0x770 [ 797.499123] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 797.504395] ? netdev_alloc_frag+0x1f0/0x1f0 [ 797.508794] ? lock_downgrade+0x900/0x900 [ 797.513037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 797.518560] ? refcount_sub_and_test_checked+0x203/0x310 [ 797.524070] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 797.529641] ? addrconf_rs_timer+0x690/0x690 [ 797.534068] ndisc_alloc_skb+0x144/0x340 [ 797.538126] ndisc_send_rs+0x331/0x6e0 [ 797.542006] addrconf_rs_timer+0x314/0x690 [ 797.546237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 797.550476] call_timer_fn+0x272/0x920 [ 797.554358] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 797.558581] ? process_timeout+0x40/0x40 [ 797.562658] ? mark_held_locks+0xc7/0x130 [ 797.566798] ? _raw_spin_unlock_irq+0x27/0x80 [ 797.571462] ? _raw_spin_unlock_irq+0x27/0x80 [ 797.575953] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 797.580180] ? lockdep_hardirqs_on+0x296/0x5b0 [ 797.584756] ? trace_hardirqs_on+0xbd/0x310 [ 797.589092] ? kasan_check_read+0x11/0x20 [ 797.593229] ? __run_timers+0x7da/0xc70 [ 797.597196] ? trace_hardirqs_off_caller+0x310/0x310 [ 797.602298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 797.606538] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 797.610765] __run_timers+0x7e5/0xc70 [ 797.614567] ? timer_fixup_init+0x70/0x70 [ 797.618801] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 797.623814] ? zap_class+0x640/0x640 [ 797.627527] ? print_usage_bug+0xc0/0xc0 [ 797.631584] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 797.636774] ? find_held_lock+0x36/0x1c0 [ 797.640830] ? zap_class+0x640/0x640 [ 797.644624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 797.650156] ? check_preemption_disabled+0x48/0x280 [ 797.655168] ? __lock_is_held+0xb5/0x140 [ 797.659657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 797.665184] ? check_preemption_disabled+0x48/0x280 [ 797.670457] run_timer_softirq+0x52/0xb0 [ 797.674509] ? rcu_read_lock_sched_held+0x14f/0x180 [ 797.679514] __do_softirq+0x308/0xb7e [ 797.683304] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 797.687809] ? lock_downgrade+0x900/0x900 [ 797.691948] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 797.697046] ? pvclock_read_flags+0x160/0x160 [ 797.701542] ? lapic_next_event+0x5a/0x90 [ 797.705780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 797.711341] ? kvm_clock_read+0x18/0x30 [ 797.715317] ? kvm_sched_clock_read+0x9/0x20 [ 797.719740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 797.725264] ? check_preemption_disabled+0x48/0x280 [ 797.730385] irq_exit+0x17f/0x1c0 [ 797.733859] smp_apic_timer_interrupt+0x1cb/0x760 [ 797.738713] ? smp_reschedule_interrupt+0x109/0x650 [ 797.743716] ? smp_call_function_single_interrupt+0x650/0x650 [ 797.749586] ? interrupt_entry+0xb5/0xc0 [ 797.753674] ? trace_hardirqs_off_caller+0xbb/0x310 [ 797.758687] ? trace_hardirqs_off_caller+0xbb/0x310 [ 797.763699] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 797.768540] ? trace_hardirqs_on_caller+0x310/0x310 [ 797.773806] ? trace_hardirqs_on_caller+0x310/0x310 [ 797.778810] ? task_prio+0x50/0x50 [ 797.782343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 797.787873] ? check_preemption_disabled+0x48/0x280 [ 797.792889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 797.797731] apic_timer_interrupt+0xf/0x20 [ 797.801965] [ 797.804199] RIP: 0010:console_unlock+0x102f/0x1190 [ 797.809125] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 797.828253] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 797.835948] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 797.843204] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 797.850461] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 797.857721] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 797.864983] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 797.872503] ? netconsole_netdev_event+0x280/0x280 [ 797.877442] ? console_unlock+0x1026/0x1190 [ 797.881790] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 797.886444] ? vprintk_emit+0x846/0x990 [ 797.890497] ? lock_release+0xa00/0xa00 [ 797.894466] ? trace_hardirqs_on+0x70/0x310 [ 797.898772] ? vprintk_default+0x28/0x30 [ 797.902825] ? trace_hardirqs_off_caller+0x310/0x310 [ 797.907915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 797.913441] vprintk_emit+0x391/0x990 [ 797.917233] ? wake_up_klogd+0x180/0x180 [ 797.921285] ? find_held_lock+0x11/0x1c0 [ 797.925356] ? mark_held_locks+0xc7/0x130 [ 797.929600] ? _raw_spin_unlock_irq+0x27/0x80 [ 797.934085] ? _raw_spin_unlock_irq+0x27/0x80 [ 797.938572] vprintk_default+0x28/0x30 [ 797.942470] vprintk_func+0x7e/0x181 [ 797.946192] printk+0xa7/0xcf [ 797.949291] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 797.954063] ? _raw_spin_unlock_irq+0x60/0x80 [ 797.958557] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 797.963827] dump_header+0x7cc/0xf72 [ 797.967539] ? pagefault_out_of_memory+0x197/0x197 [ 797.972685] ? __lock_acquire+0x62f/0x4c20 [ 797.976919] ? print_usage_bug+0xc0/0xc0 [ 797.980975] ? zap_class+0x640/0x640 [ 797.984766] ? zap_class+0x640/0x640 [ 797.988485] ? print_usage_bug+0xc0/0xc0 [ 797.992538] ? print_usage_bug+0xc0/0xc0 [ 797.996595] ? find_held_lock+0x36/0x1c0 [ 798.000648] ? mark_held_locks+0xc7/0x130 [ 798.004795] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 798.009887] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 798.014984] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 798.019574] ? trace_hardirqs_on+0xbd/0x310 [ 798.023894] ? kasan_check_read+0x11/0x20 [ 798.028030] ? ___ratelimit+0x3b4/0x672 [ 798.031997] ? trace_hardirqs_off_caller+0x310/0x310 [ 798.037522] ? trace_hardirqs_on+0x310/0x310 [ 798.041920] ? lock_downgrade+0x900/0x900 [ 798.046089] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 798.051183] ? ___ratelimit+0x3b9/0x672 [ 798.055152] ? idr_get_free+0xf70/0xf70 [ 798.059115] ? kasan_check_read+0x11/0x20 [ 798.063254] ? do_raw_spin_unlock+0xa7/0x330 [ 798.067679] oom_kill_process.cold.27+0x10/0x903 [ 798.072679] ? zap_class+0x640/0x640 [ 798.076492] ? _raw_spin_unlock+0x2c/0x50 [ 798.080631] ? oom_badness+0xe6/0xaa0 [ 798.084428] ? oom_evaluate_task+0x540/0x540 [ 798.088829] ? find_held_lock+0x36/0x1c0 [ 798.092893] ? out_of_memory+0x974/0x1430 [ 798.097028] ? lock_downgrade+0x900/0x900 [ 798.101162] ? check_preemption_disabled+0x48/0x280 [ 798.106166] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 798.111087] ? kasan_check_read+0x11/0x20 [ 798.115223] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 798.120487] ? rcu_softirq_qs+0x20/0x20 [ 798.124450] ? kasan_check_write+0x14/0x20 [ 798.128667] ? oom_evaluate_task+0x302/0x540 [ 798.133068] out_of_memory+0xa84/0x1430 [ 798.137043] ? oom_killer_disable+0x3a0/0x3a0 [ 798.141540] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 798.146466] ? __ww_mutex_check_waiters+0x160/0x160 [ 798.151480] __alloc_pages_slowpath+0x2354/0x2e10 [ 798.156366] ? warn_alloc+0x120/0x120 [ 798.160154] ? mark_held_locks+0x130/0x130 [ 798.164386] ? find_get_entry+0xaae/0x1120 [ 798.168616] ? filemap_map_pages+0x1a20/0x1a20 [ 798.173433] ? zap_class+0x640/0x640 [ 798.177156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 798.182699] ? check_preemption_disabled+0x48/0x280 [ 798.187705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 798.193253] ? should_fail+0x22d/0xd01 [ 798.197140] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 798.202255] ? zap_class+0x640/0x640 [ 798.206001] ? __lock_is_held+0xb5/0x140 [ 798.210064] ? mark_held_locks+0x130/0x130 [ 798.214394] ? lock_release+0xa00/0xa00 [ 798.218357] ? perf_trace_sched_process_exec+0x860/0x860 [ 798.223795] ? xa_load+0x2ba/0x460 [ 798.227330] ? lock_downgrade+0x900/0x900 [ 798.231471] ? __might_sleep+0x95/0x190 [ 798.235446] __alloc_pages_nodemask+0xa80/0xde0 [ 798.240112] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 798.245120] ? __page_cache_alloc+0x191/0x5c0 [ 798.249696] ? xa_load+0x2e1/0x460 [ 798.253230] ? xa_clear_mark+0x40/0x40 [ 798.257109] ? zap_class+0x640/0x640 [ 798.260821] ? zap_class+0x640/0x640 [ 798.264522] ? zap_class+0x640/0x640 [ 798.268245] ? __do_page_cache_readahead+0x663/0x810 [ 798.273624] ? find_held_lock+0x36/0x1c0 [ 798.277675] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 798.283206] alloc_pages_current+0x173/0x350 [ 798.287614] __page_cache_alloc+0x38c/0x5c0 [ 798.291948] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 798.296869] ? kasan_check_read+0x11/0x20 [ 798.301013] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 798.306282] ? generic_perform_write+0x6a0/0x6a0 [ 798.311067] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 798.316619] ? check_preemption_disabled+0x48/0x280 [ 798.321660] filemap_fault+0x1595/0x25f0 [ 798.325725] ? __lock_page_or_retry+0xa00/0xa00 [ 798.330390] ? mark_held_locks+0x130/0x130 [ 798.334623] ? filemap_map_pages+0xd6b/0x1a20 [ 798.339225] ? lock_downgrade+0x900/0x900 [ 798.343367] ? check_preemption_disabled+0x48/0x280 [ 798.348374] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 798.353306] ? kasan_check_read+0x11/0x20 [ 798.357443] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 798.362709] ? rcu_softirq_qs+0x20/0x20 [ 798.366681] ? filemap_map_pages+0xd92/0x1a20 [ 798.371431] ? find_get_entries_tag+0x1400/0x1400 [ 798.376264] ? futex_wake+0x760/0x760 [ 798.380069] ? lock_acquire+0x1ed/0x520 [ 798.384035] ? ext4_filemap_fault+0x7a/0xad [ 798.388352] ? lock_release+0xa00/0xa00 [ 798.392333] ? perf_trace_sched_process_exec+0x860/0x860 [ 798.397779] ? print_usage_bug+0xc0/0xc0 [ 798.401840] ? print_usage_bug+0xc0/0xc0 [ 798.405898] ? down_read+0x8d/0x120 [ 798.409508] ? ext4_filemap_fault+0x7a/0xad [ 798.413814] ? __down_interruptible+0x700/0x700 [ 798.418480] ext4_filemap_fault+0x82/0xad [ 798.422621] __do_fault+0x100/0x6b0 [ 798.426272] ? pmd_devmap_trans_unstable+0x220/0x220 [ 798.431376] ? mark_held_locks+0x130/0x130 [ 798.435601] ? mark_held_locks+0x130/0x130 [ 798.439824] ? __might_fault+0x12b/0x1e0 [ 798.443872] ? lock_downgrade+0x900/0x900 [ 798.448023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 798.453558] __handle_mm_fault+0x3ea0/0x5be0 [ 798.457966] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 798.462813] ? kasan_check_read+0x11/0x20 [ 798.466948] ? _copy_to_user+0xc8/0x110 [ 798.471189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 798.476722] ? zap_class+0x640/0x640 [ 798.480423] ? zap_class+0x640/0x640 [ 798.484160] ? find_held_lock+0x36/0x1c0 [ 798.488224] ? handle_mm_fault+0x42a/0xc70 [ 798.492450] ? lock_downgrade+0x900/0x900 [ 798.496588] ? check_preemption_disabled+0x48/0x280 [ 798.501596] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 798.506530] ? kasan_check_read+0x11/0x20 [ 798.510664] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 798.515948] ? rcu_softirq_qs+0x20/0x20 [ 798.519914] ? trace_hardirqs_off_caller+0x310/0x310 [ 798.525021] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 798.530549] ? check_preemption_disabled+0x48/0x280 [ 798.535561] handle_mm_fault+0x54f/0xc70 [ 798.539617] ? __handle_mm_fault+0x5be0/0x5be0 [ 798.544201] ? find_vma+0x34/0x190 [ 798.547738] __do_page_fault+0x5e8/0xe60 [ 798.551792] ? trace_hardirqs_off+0xb8/0x310 [ 798.556199] do_page_fault+0xf2/0x7e0 [ 798.559988] ? vmalloc_sync_all+0x30/0x30 [ 798.564123] ? error_entry+0x70/0xd0 [ 798.567832] ? trace_hardirqs_off_caller+0xbb/0x310 [ 798.573088] ? trace_hardirqs_on_caller+0xc0/0x310 [ 798.578008] ? syscall_return_slowpath+0x5e0/0x5e0 [ 798.582927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 798.587757] ? trace_hardirqs_on_caller+0x310/0x310 [ 798.592758] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 798.598223] ? prepare_exit_to_usermode+0x291/0x3b0 [ 798.603233] ? page_fault+0x8/0x30 [ 798.606771] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 798.611614] ? page_fault+0x8/0x30 [ 798.615139] page_fault+0x1e/0x30 [ 798.618578] RIP: 0033:0x407e06 [ 798.621776] Code: Bad RIP value. [ 798.625131] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 798.630500] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 798.637759] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 798.645016] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 798.652282] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 798.659992] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 798.667293] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 798.667363] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 798.675132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 798.675151] Workqueue: events_power_efficient neigh_periodic_work [ 798.675158] Call Trace: [ 798.675177] dump_stack+0x244/0x39d [ 798.681729] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 798.690988] ? dump_stack_print_info.cold.1+0x20/0x20 [ 798.697186] syz-fuzzer cpuset=/ mems_allowed=0 [ 798.699767] warn_alloc.cold.116+0xb7/0x1bd [ 798.727603] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 798.732440] ? lock_downgrade+0x900/0x900 [ 798.736585] ? trace_hardirqs_off+0xb8/0x310 [ 798.740984] ? trace_hardirqs_off+0xb8/0x310 [ 798.745396] __alloc_pages_slowpath+0x26e8/0x2e10 [ 798.750262] ? warn_alloc+0x120/0x120 [ 798.754071] ? warn_alloc+0x120/0x120 [ 798.757868] ? check_preemption_disabled+0x48/0x280 [ 798.762880] ? warn_alloc+0x120/0x120 [ 798.766671] ? print_usage_bug+0xc0/0xc0 [ 798.771314] ? __lock_acquire+0x62f/0x4c20 [ 798.775545] ? print_usage_bug+0xc0/0xc0 [ 798.779612] ? __lock_acquire+0x62f/0x4c20 [ 798.783849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 798.789382] ? should_fail+0x22d/0xd01 [ 798.793279] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 798.798375] ? __lock_acquire+0x62f/0x4c20 [ 798.802606] ? __lock_acquire+0x62f/0x4c20 [ 798.806835] ? should_fail+0x22d/0xd01 [ 798.810729] ? mark_held_locks+0x130/0x130 [ 798.814960] ? mark_held_locks+0x130/0x130 [ 798.819209] ? mark_held_locks+0xc7/0x130 [ 798.823355] ? zap_class+0x640/0x640 [ 798.827207] ? zap_class+0x640/0x640 [ 798.830918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 798.836448] ? check_preemption_disabled+0x48/0x280 [ 798.841466] ? __lock_is_held+0xb5/0x140 [ 798.845526] __alloc_pages_nodemask+0xa80/0xde0 [ 798.850181] ? zap_class+0x640/0x640 [ 798.853892] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 798.858910] ? find_held_lock+0x36/0x1c0 [ 798.862984] ? ____cache_alloc_node+0x1c7/0x1e0 [ 798.867646] ? lock_downgrade+0x900/0x900 [ 798.872424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 798.877975] cache_grow_begin+0xa5/0x8c0 [ 798.882027] ? do_raw_spin_unlock+0xa7/0x330 [ 798.886453] fallback_alloc+0x204/0x2e0 [ 798.890426] ____cache_alloc_node+0x1c7/0x1e0 [ 798.894919] kmem_cache_alloc_node+0xe3/0x730 [ 798.899405] ? zap_class+0x640/0x640 [ 798.903125] __alloc_skb+0x119/0x770 [ 798.906842] ? netdev_alloc_frag+0x1f0/0x1f0 [ 798.911250] ? neigh_periodic_work+0x8ca/0xc60 [ 798.915835] ? lock_downgrade+0x900/0x900 [ 798.919982] ? kasan_check_read+0x11/0x20 [ 798.924124] ? do_raw_write_lock+0x14f/0x310 [ 798.928538] __neigh_notify+0x8c/0x160 [ 798.932431] neigh_cleanup_and_release+0x7b/0xe0 [ 798.937176] neigh_periodic_work+0x8d2/0xc60 [ 798.941589] ? neigh_table_clear+0x390/0x390 [ 798.946087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 798.951614] ? check_preemption_disabled+0x48/0x280 [ 798.956634] ? __lock_is_held+0xb5/0x140 [ 798.960699] process_one_work+0xc90/0x1c40 [ 798.964944] ? mark_held_locks+0x130/0x130 [ 798.969186] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 798.974409] ? __switch_to_asm+0x40/0x70 [ 798.978464] ? __switch_to_asm+0x40/0x70 [ 798.982517] ? __switch_to_asm+0x34/0x70 [ 798.986573] ? __switch_to_asm+0x40/0x70 [ 798.990626] ? __switch_to_asm+0x34/0x70 [ 798.994679] ? __switch_to_asm+0x40/0x70 [ 798.998729] ? __switch_to_asm+0x34/0x70 [ 799.002787] ? __switch_to_asm+0x40/0x70 [ 799.006846] ? __schedule+0x8d7/0x21d0 [ 799.010729] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 799.015320] ? zap_class+0x640/0x640 [ 799.019033] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 799.023806] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 799.028398] ? lock_acquire+0x1ed/0x520 [ 799.032369] ? worker_thread+0x3e0/0x1390 [ 799.036521] ? kasan_check_read+0x11/0x20 [ 799.040681] ? do_raw_spin_lock+0x14f/0x350 [ 799.045009] ? kasan_check_read+0x11/0x20 [ 799.049152] ? rwlock_bug.part.2+0x90/0x90 [ 799.053388] ? trace_hardirqs_on+0x310/0x310 [ 799.057808] worker_thread+0x17f/0x1390 [ 799.061783] ? __switch_to_asm+0x34/0x70 [ 799.065944] ? process_one_work+0x1c40/0x1c40 [ 799.070834] ? __sched_text_start+0x8/0x8 [ 799.074992] ? __kthread_parkme+0xce/0x1a0 [ 799.079219] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 799.084318] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 799.089595] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 799.094280] ? trace_hardirqs_on+0xbd/0x310 [ 799.098589] ? kasan_check_read+0x11/0x20 [ 799.102724] ? __kthread_parkme+0xce/0x1a0 [ 799.106952] ? trace_hardirqs_off_caller+0x310/0x310 [ 799.112067] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 799.117177] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 799.122705] ? __kthread_parkme+0xfb/0x1a0 [ 799.126931] ? process_one_work+0x1c40/0x1c40 [ 799.131416] kthread+0x35a/0x440 [ 799.134795] ? kthread_stop+0x900/0x900 [ 799.138762] ret_from_fork+0x3a/0x50 [ 799.142483] warn_alloc_show_mem: 1 callbacks suppressed [ 799.142492] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 799.142494] Mem-Info: [ 799.142523] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 799.142523] active_file:32 inactive_file:0 isolated_file:0 [ 799.142523] unevictable:0 dirty:0 writeback:0 unstable:0 [ 799.142523] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 799.142523] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 799.142523] free:13730 free_pcp:227 free_cma:0 [ 799.147847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 799.147854] Call Trace: [ 799.154863] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 799.157252] [ 799.190697] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 799.200065] dump_stack+0x244/0x39d [ 799.202610] lowmem_reserve[]: 0 2818 6321 6321 [ 799.230451] ? dump_stack_print_info.cold.1+0x20/0x20 [ 799.232572] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 799.258774] warn_alloc.cold.116+0xb7/0x1bd [ 799.262364] lowmem_reserve[]: 0 0 3503 3503 [ 799.266935] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 799.272547] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 799.300036] ? lock_downgrade+0x900/0x900 [ 799.304334] lowmem_reserve[]: 0 0 0 0 [ 799.308650] ? trace_hardirqs_off+0xb8/0x310 [ 799.313543] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 799.342598] ? trace_hardirqs_off+0xb8/0x310 [ 799.346712] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 799.350511] __alloc_pages_slowpath+0x26e8/0x2e10 [ 799.354891] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 799.368425] ? warn_alloc+0x120/0x120 [ 799.373327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 799.388144] ? print_usage_bug+0xc0/0xc0 [ 799.392959] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 799.407088] ? warn_alloc+0x120/0x120 [ 799.410859] 6658 total pagecache pages [ 799.419679] ? warn_alloc+0x120/0x120 [ 799.423717] 0 pages in swap cache [ 799.432282] ? print_usage_bug+0xc0/0xc0 [ 799.436055] Swap cache stats: add 0, delete 0, find 0/0 [ 799.439922] ? kvm_clock_read+0x18/0x30 [ 799.443689] Free swap = 0kB [ 799.447137] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 799.451163] Total swap = 0kB [ 799.456519] ? print_usage_bug+0xc0/0xc0 [ 799.460471] 1965979 pages RAM [ 799.463472] ? __lock_acquire+0x62f/0x4c20 [ 799.468455] 0 pages HighMem/MovableOnly [ 799.471718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 799.475753] 342853 pages reserved [ 799.478850] ? should_fail+0x22d/0xd01 [ 799.483048] 0 pages cma reserved [ 799.487008] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 799.492620] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 799.495947] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 799.499803] kworker/1:0 cpuset=/ mems_allowed=0 [ 799.503148] ? __lock_acquire+0x62f/0x4c20 [ 799.532613] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 799.537706] ? __lock_acquire+0x62f/0x4c20 [ 799.541931] ? should_fail+0x22d/0xd01 [ 799.545804] ? rcu_irq_exit+0x1a2/0x390 [ 799.549785] ? mark_held_locks+0x130/0x130 [ 799.554019] ? mark_held_locks+0x130/0x130 [ 799.558268] ? mark_held_locks+0xc7/0x130 [ 799.562413] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 799.567435] ? zap_class+0x640/0x640 [ 799.571371] ? print_usage_bug+0xc0/0xc0 [ 799.575427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 799.580957] ? check_preemption_disabled+0x48/0x280 [ 799.585971] ? __lock_is_held+0xb5/0x140 [ 799.590030] __alloc_pages_nodemask+0xa80/0xde0 [ 799.594692] ? zap_class+0x640/0x640 [ 799.598404] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 799.603435] ? find_held_lock+0x36/0x1c0 [ 799.607518] ? ____cache_alloc_node+0x1c7/0x1e0 [ 799.612185] ? lock_downgrade+0x900/0x900 [ 799.616335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 799.621865] cache_grow_begin+0xa5/0x8c0 [ 799.625918] ? do_raw_spin_unlock+0xa7/0x330 [ 799.630340] fallback_alloc+0x204/0x2e0 [ 799.634316] ____cache_alloc_node+0x1c7/0x1e0 [ 799.638808] kmem_cache_alloc_node+0xe3/0x730 [ 799.643296] ? ipv6_get_ifaddr+0x42e/0x620 [ 799.647535] __alloc_skb+0x119/0x770 [ 799.651252] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 799.656530] ? netdev_alloc_frag+0x1f0/0x1f0 [ 799.661427] ? lock_downgrade+0x900/0x900 [ 799.665580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 799.671395] ? refcount_sub_and_test_checked+0x203/0x310 [ 799.676849] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 799.682309] ? addrconf_rs_timer+0x690/0x690 [ 799.686719] ndisc_alloc_skb+0x144/0x340 [ 799.690791] ndisc_send_rs+0x331/0x6e0 [ 799.694687] addrconf_rs_timer+0x314/0x690 [ 799.698920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 799.703161] call_timer_fn+0x272/0x920 [ 799.707039] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 799.711271] ? process_timeout+0x40/0x40 [ 799.715332] ? mark_held_locks+0xc7/0x130 [ 799.719482] ? _raw_spin_unlock_irq+0x27/0x80 [ 799.723967] ? _raw_spin_unlock_irq+0x27/0x80 [ 799.728453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 799.732679] ? lockdep_hardirqs_on+0x296/0x5b0 [ 799.737268] ? trace_hardirqs_on+0xbd/0x310 [ 799.741594] ? kasan_check_read+0x11/0x20 [ 799.745730] ? __run_timers+0x7da/0xc70 [ 799.749698] ? trace_hardirqs_off_caller+0x310/0x310 [ 799.754796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 799.759023] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 799.763331] __run_timers+0x7e5/0xc70 [ 799.767127] ? timer_fixup_init+0x70/0x70 [ 799.771554] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 799.776564] ? zap_class+0x640/0x640 [ 799.780282] ? print_usage_bug+0xc0/0xc0 [ 799.784441] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 799.789628] ? find_held_lock+0x36/0x1c0 [ 799.793690] ? zap_class+0x640/0x640 [ 799.797401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 799.802932] ? check_preemption_disabled+0x48/0x280 [ 799.807952] ? __lock_is_held+0xb5/0x140 [ 799.813748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 799.819279] ? check_preemption_disabled+0x48/0x280 [ 799.824294] run_timer_softirq+0x52/0xb0 [ 799.828542] ? rcu_read_lock_sched_held+0x14f/0x180 [ 799.833570] __do_softirq+0x308/0xb7e [ 799.837367] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 799.841865] ? lock_downgrade+0x900/0x900 [ 799.846130] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 799.851254] ? pvclock_read_flags+0x160/0x160 [ 799.855743] ? lapic_next_event+0x5a/0x90 [ 799.859880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 799.865409] ? kvm_clock_read+0x18/0x30 [ 799.869476] ? kvm_sched_clock_read+0x9/0x20 [ 799.874060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 799.879590] ? check_preemption_disabled+0x48/0x280 [ 799.884605] irq_exit+0x17f/0x1c0 [ 799.888050] smp_apic_timer_interrupt+0x1cb/0x760 [ 799.892880] ? smp_reschedule_interrupt+0x109/0x650 [ 799.897886] ? smp_call_function_single_interrupt+0x650/0x650 [ 799.903752] ? interrupt_entry+0xb5/0xc0 [ 799.907805] ? trace_hardirqs_off_caller+0xbb/0x310 [ 799.912815] ? trace_hardirqs_off_caller+0xbb/0x310 [ 799.917822] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 799.922657] ? trace_hardirqs_on_caller+0x310/0x310 [ 799.927682] ? trace_hardirqs_on_caller+0x310/0x310 [ 799.932687] ? task_prio+0x50/0x50 [ 799.936215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 799.941748] ? check_preemption_disabled+0x48/0x280 [ 799.946764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 799.951612] apic_timer_interrupt+0xf/0x20 [ 799.955827] [ 799.958053] RIP: 0010:console_unlock+0x102f/0x1190 [ 799.962967] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 799.982107] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 799.989894] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 799.997150] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 800.004404] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 800.011671] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 800.018931] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 800.026204] ? netconsole_netdev_event+0x280/0x280 [ 800.031158] ? console_unlock+0x1026/0x1190 [ 800.035496] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 800.040166] ? vprintk_emit+0x846/0x990 [ 800.044137] ? lock_release+0xa00/0xa00 [ 800.048107] ? trace_hardirqs_on+0x70/0x310 [ 800.052427] ? vprintk_default+0x28/0x30 [ 800.056488] ? trace_hardirqs_off_caller+0x310/0x310 [ 800.061587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 800.067129] vprintk_emit+0x391/0x990 [ 800.071194] ? wake_up_klogd+0x180/0x180 [ 800.075270] ? find_held_lock+0x11/0x1c0 [ 800.079336] ? mark_held_locks+0xc7/0x130 [ 800.083477] ? _raw_spin_unlock_irq+0x27/0x80 [ 800.087961] ? _raw_spin_unlock_irq+0x27/0x80 [ 800.092454] vprintk_default+0x28/0x30 [ 800.096351] vprintk_func+0x7e/0x181 [ 800.100056] printk+0xa7/0xcf [ 800.103154] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 800.107903] ? _raw_spin_unlock_irq+0x60/0x80 [ 800.112396] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 800.117753] dump_header+0x7cc/0xf72 [ 800.121458] ? pagefault_out_of_memory+0x197/0x197 [ 800.126379] ? __lock_acquire+0x62f/0x4c20 [ 800.130606] ? print_usage_bug+0xc0/0xc0 [ 800.134789] ? zap_class+0x640/0x640 [ 800.138582] ? zap_class+0x640/0x640 [ 800.142290] ? print_usage_bug+0xc0/0xc0 [ 800.146356] ? print_usage_bug+0xc0/0xc0 [ 800.150416] ? find_held_lock+0x36/0x1c0 [ 800.154479] ? mark_held_locks+0xc7/0x130 [ 800.158636] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 800.163729] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 800.168818] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 800.173585] ? trace_hardirqs_on+0xbd/0x310 [ 800.177898] ? kasan_check_read+0x11/0x20 [ 800.182032] ? ___ratelimit+0x3b4/0x672 [ 800.185998] ? trace_hardirqs_off_caller+0x310/0x310 [ 800.191095] ? trace_hardirqs_on+0x310/0x310 [ 800.195492] ? lock_downgrade+0x900/0x900 [ 800.199647] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 800.204743] ? ___ratelimit+0x3b9/0x672 [ 800.208711] ? idr_get_free+0xf70/0xf70 [ 800.212673] ? kasan_check_read+0x11/0x20 [ 800.216813] ? do_raw_spin_unlock+0xa7/0x330 [ 800.221230] oom_kill_process.cold.27+0x10/0x903 [ 800.225986] ? zap_class+0x640/0x640 [ 800.229705] ? _raw_spin_unlock+0x2c/0x50 [ 800.233839] ? oom_badness+0xe6/0xaa0 [ 800.237644] ? oom_evaluate_task+0x540/0x540 [ 800.242052] ? find_held_lock+0x36/0x1c0 [ 800.246107] ? out_of_memory+0x974/0x1430 [ 800.250260] ? lock_downgrade+0x900/0x900 [ 800.254403] ? check_preemption_disabled+0x48/0x280 [ 800.259410] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 800.264348] ? kasan_check_read+0x11/0x20 [ 800.268484] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 800.274034] ? rcu_softirq_qs+0x20/0x20 [ 800.277999] ? kasan_check_write+0x14/0x20 [ 800.282420] ? oom_evaluate_task+0x302/0x540 [ 800.286817] out_of_memory+0xa84/0x1430 [ 800.290781] ? oom_killer_disable+0x3a0/0x3a0 [ 800.295265] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 800.300183] ? __ww_mutex_check_waiters+0x160/0x160 [ 800.305193] __alloc_pages_slowpath+0x2354/0x2e10 [ 800.310054] ? warn_alloc+0x120/0x120 [ 800.313838] ? mark_held_locks+0x130/0x130 [ 800.318063] ? find_get_entry+0xaae/0x1120 [ 800.322294] ? filemap_map_pages+0x1a20/0x1a20 [ 800.326974] ? zap_class+0x640/0x640 [ 800.330686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 800.336228] ? check_preemption_disabled+0x48/0x280 [ 800.341250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 800.346786] ? should_fail+0x22d/0xd01 [ 800.350687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 800.355787] ? zap_class+0x640/0x640 [ 800.359520] ? __lock_is_held+0xb5/0x140 [ 800.363581] ? mark_held_locks+0x130/0x130 [ 800.367813] ? lock_release+0xa00/0xa00 [ 800.371990] ? perf_trace_sched_process_exec+0x860/0x860 [ 800.377430] ? xa_load+0x2ba/0x460 [ 800.380964] ? lock_downgrade+0x900/0x900 [ 800.385210] ? __might_sleep+0x95/0x190 [ 800.389196] __alloc_pages_nodemask+0xa80/0xde0 [ 800.393875] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 800.399010] ? __page_cache_alloc+0x191/0x5c0 [ 800.403500] ? xa_load+0x2e1/0x460 [ 800.407032] ? xa_clear_mark+0x40/0x40 [ 800.410912] ? zap_class+0x640/0x640 [ 800.414626] ? zap_class+0x640/0x640 [ 800.418333] ? zap_class+0x640/0x640 [ 800.422036] ? __do_page_cache_readahead+0x663/0x810 [ 800.427134] ? find_held_lock+0x36/0x1c0 [ 800.431207] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 800.436757] alloc_pages_current+0x173/0x350 [ 800.441161] __page_cache_alloc+0x38c/0x5c0 [ 800.445480] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 800.450396] ? kasan_check_read+0x11/0x20 [ 800.454529] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 800.459793] ? generic_perform_write+0x6a0/0x6a0 [ 800.464537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 800.470060] ? check_preemption_disabled+0x48/0x280 [ 800.475264] filemap_fault+0x1595/0x25f0 [ 800.479342] ? __lock_page_or_retry+0xa00/0xa00 [ 800.484002] ? mark_held_locks+0x130/0x130 [ 800.488360] ? filemap_map_pages+0xd6b/0x1a20 [ 800.492845] ? lock_downgrade+0x900/0x900 [ 800.496982] ? check_preemption_disabled+0x48/0x280 [ 800.501985] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 800.506902] ? kasan_check_read+0x11/0x20 [ 800.511039] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 800.516307] ? rcu_softirq_qs+0x20/0x20 [ 800.520281] ? filemap_map_pages+0xd92/0x1a20 [ 800.524775] ? find_get_entries_tag+0x1400/0x1400 [ 800.529609] ? futex_wake+0x760/0x760 [ 800.533413] ? lock_acquire+0x1ed/0x520 [ 800.537372] ? ext4_filemap_fault+0x7a/0xad [ 800.541791] ? lock_release+0xa00/0xa00 [ 800.545865] ? perf_trace_sched_process_exec+0x860/0x860 [ 800.551310] ? print_usage_bug+0xc0/0xc0 [ 800.555365] ? print_usage_bug+0xc0/0xc0 [ 800.559424] ? down_read+0x8d/0x120 [ 800.563035] ? ext4_filemap_fault+0x7a/0xad [ 800.567346] ? __down_interruptible+0x700/0x700 [ 800.572272] ext4_filemap_fault+0x82/0xad [ 800.576410] __do_fault+0x100/0x6b0 [ 800.580027] ? pmd_devmap_trans_unstable+0x220/0x220 [ 800.585124] ? mark_held_locks+0x130/0x130 [ 800.589351] ? mark_held_locks+0x130/0x130 [ 800.593578] ? __might_fault+0x12b/0x1e0 [ 800.597628] ? lock_downgrade+0x900/0x900 [ 800.601766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 800.607295] __handle_mm_fault+0x3ea0/0x5be0 [ 800.611695] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 800.616538] ? kasan_check_read+0x11/0x20 [ 800.620673] ? _copy_to_user+0xc8/0x110 [ 800.624655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 800.630186] ? zap_class+0x640/0x640 [ 800.633906] ? zap_class+0x640/0x640 [ 800.637614] ? find_held_lock+0x36/0x1c0 [ 800.641667] ? handle_mm_fault+0x42a/0xc70 [ 800.645901] ? lock_downgrade+0x900/0x900 [ 800.650057] ? check_preemption_disabled+0x48/0x280 [ 800.655062] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 800.660448] ? kasan_check_read+0x11/0x20 [ 800.664587] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 800.669850] ? rcu_softirq_qs+0x20/0x20 [ 800.674068] ? trace_hardirqs_off_caller+0x310/0x310 [ 800.679179] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 800.684712] ? check_preemption_disabled+0x48/0x280 [ 800.689723] handle_mm_fault+0x54f/0xc70 [ 800.693782] ? __handle_mm_fault+0x5be0/0x5be0 [ 800.698372] ? find_vma+0x34/0x190 [ 800.701911] __do_page_fault+0x5e8/0xe60 [ 800.705967] ? trace_hardirqs_off+0xb8/0x310 [ 800.710372] do_page_fault+0xf2/0x7e0 [ 800.714163] ? vmalloc_sync_all+0x30/0x30 [ 800.718305] ? error_entry+0x70/0xd0 [ 800.722013] ? trace_hardirqs_off_caller+0xbb/0x310 [ 800.727019] ? trace_hardirqs_on_caller+0xc0/0x310 [ 800.731939] ? syscall_return_slowpath+0x5e0/0x5e0 [ 800.737028] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 800.741860] ? trace_hardirqs_on_caller+0x310/0x310 [ 800.746870] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 800.752318] ? prepare_exit_to_usermode+0x291/0x3b0 [ 800.757325] ? page_fault+0x8/0x30 [ 800.760860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 800.765719] ? page_fault+0x8/0x30 [ 800.769247] page_fault+0x1e/0x30 [ 800.772904] RIP: 0033:0x407e06 [ 800.776095] Code: Bad RIP value. [ 800.779449] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 800.784802] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 800.792064] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 800.799326] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 800.806587] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 800.813848] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 800.821232] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #148 [ 800.821266] rcu: INFO: rcu_preempt self-detected stall on CPU [ 800.828156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 800.828176] Workqueue: events_power_efficient neigh_periodic_work [ 800.834316] rcu: 0-....: (249 ticks this GP) idle=fca/1/0x4000000000000004 softirq=65904/65905 fqs=34 [ 800.843366] Call Trace: [ 800.843386] dump_stack+0x244/0x39d [ 800.843406] ? dump_stack_print_info.cold.1+0x20/0x20 [ 800.843432] warn_alloc.cold.116+0xb7/0x1bd [ 800.843451] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 800.843471] ? lock_downgrade+0x900/0x900 [ 800.843494] ? trace_hardirqs_off+0xb8/0x310 [ 800.843515] ? trace_hardirqs_off+0xb8/0x310 [ 800.849893] rcu: (t=10524 jiffies g=93805 q=51) [ 800.859523] __alloc_pages_slowpath+0x26e8/0x2e10 [ 800.862083] rcu: rcu_preempt kthread starved for 641 jiffies! g93805 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 800.865718] ? warn_alloc+0x120/0x120 [ 800.870848] rcu: RCU grace-period kthread stack dump: [ 800.870857] rcu_preempt I22888 10 2 0x80000000 [ 800.875688] ? warn_alloc+0x120/0x120 [ 800.880511] Call Trace: [ 800.884643] ? check_preemption_disabled+0x48/0x280 [ 800.889026] __schedule+0x8cf/0x21d0 [ 800.893404] ? warn_alloc+0x120/0x120 [ 800.898237] ? __sched_text_start+0x8/0x8 [ 800.903049] ? print_usage_bug+0xc0/0xc0 [ 800.913512] ? add_timer_on+0xa20/0xa20 [ 800.917368] ? __lock_acquire+0x62f/0x4c20 [ 800.922622] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 800.928232] ? print_usage_bug+0xc0/0xc0 [ 800.932007] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 800.934573] ? __lock_acquire+0x62f/0x4c20 [ 800.939564] ? trace_hardirqs_on+0xbd/0x310 [ 800.943256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 800.947029] ? kasan_check_read+0x11/0x20 [ 800.951168] ? should_fail+0x22d/0xd01 [ 800.955381] ? prepare_to_swait_event+0x25a/0x800 [ 800.959335] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 800.963547] ? trace_hardirqs_off_caller+0x310/0x310 [ 800.968633] ? __lock_acquire+0x62f/0x4c20 [ 800.972935] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 800.978021] ? __lock_acquire+0x62f/0x4c20 [ 800.982246] schedule+0xfe/0x460 [ 800.986544] ? should_fail+0x22d/0xd01 [ 800.992056] ? __schedule+0x21d0/0x21d0 [ 800.996190] ? mark_held_locks+0x130/0x130 [ 801.000057] ? prepare_to_swait_event+0x25a/0x800 [ 801.004874] ? mark_held_locks+0x130/0x130 [ 801.009954] ? __init_swait_queue_head+0x150/0x150 [ 801.015029] ? mark_held_locks+0xc7/0x130 [ 801.019260] ? __lockdep_init_map+0x105/0x590 [ 801.024336] ? zap_class+0x640/0x640 [ 801.028553] ? lockdep_init_map+0x9/0x10 [ 801.031893] ? zap_class+0x640/0x640 [ 801.035759] schedule_timeout+0x140/0x260 [ 801.039713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 801.043920] ? usleep_range+0x1a0/0x1a0 [ 801.048750] ? check_preemption_disabled+0x48/0x280 [ 801.052960] ? __next_timer_interrupt+0x1a0/0x1a0 [ 801.057874] ? __lock_is_held+0xb5/0x140 [ 801.062004] rcu_gp_fqs_loop+0x762/0xa80 [ 801.066466] __alloc_pages_nodemask+0xa80/0xde0 [ 801.070155] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 801.074447] ? zap_class+0x640/0x640 [ 801.078137] ? trace_hardirqs_off_caller+0x310/0x310 [ 801.082265] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 801.087796] ? perf_trace_sched_process_exec+0x860/0x860 [ 801.091774] ? find_held_lock+0x36/0x1c0 [ 801.096939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 801.101765] ? ____cache_alloc_node+0x1c7/0x1e0 [ 801.105801] ? rcu_gp_init+0x90b/0x1260 [ 801.109856] ? lock_downgrade+0x900/0x900 [ 801.114499] ? __switch_to_asm+0x34/0x70 [ 801.119237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 801.122928] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 801.128027] cache_grow_begin+0xa5/0x8c0 [ 801.133018] ? __switch_to_asm+0x40/0x70 [ 801.138450] ? do_raw_spin_unlock+0xa7/0x330 [ 801.142487] ? find_held_lock+0x36/0x1c0 [ 801.148014] fallback_alloc+0x204/0x2e0 [ 801.152650] ? zap_class+0x640/0x640 [ 801.156604] ____cache_alloc_node+0x1c7/0x1e0 [ 801.160732] ? prepare_to_swait_event+0x25a/0x800 [ 801.164769] kmem_cache_alloc_node+0xe3/0x730 [ 801.170277] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 801.175523] ? zap_class+0x640/0x640 [ 801.179567] ? find_held_lock+0x36/0x1c0 [ 801.183626] __alloc_skb+0x119/0x770 [ 801.188011] ? finish_swait+0x25d/0x430 [ 801.192051] ? netdev_alloc_frag+0x1f0/0x1f0 [ 801.196002] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 801.199699] ? neigh_periodic_work+0x8ca/0xc60 [ 801.204168] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 801.208991] ? lock_downgrade+0x900/0x900 [ 801.213464] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 801.218544] ? kasan_check_read+0x11/0x20 [ 801.222236] ? trace_hardirqs_on+0xbd/0x310 [ 801.226279] ? do_raw_write_lock+0x14f/0x310 [ 801.229970] ? kasan_check_read+0x11/0x20 [ 801.233927] __neigh_notify+0x8c/0x160 [ 801.238326] ? trace_hardirqs_off_caller+0x310/0x310 [ 801.243408] neigh_cleanup_and_release+0x7b/0xe0 [ 801.247980] ? __init_swait_queue_head+0x150/0x150 [ 801.253072] neigh_periodic_work+0x8d2/0xc60 [ 801.257214] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 801.261771] ? neigh_table_clear+0x390/0x390 [ 801.265909] ? finish_swait+0x25d/0x430 [ 801.270231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 801.274888] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 801.279108] ? check_preemption_disabled+0x48/0x280 [ 801.283056] ? swake_up_locked+0x360/0x360 [ 801.288154] ? __lock_is_held+0xb5/0x140 [ 801.292881] ? trace_hardirqs_off_caller+0x310/0x310 [ 801.297795] process_one_work+0xc90/0x1c40 [ 801.302169] ? perf_trace_sched_process_exec+0x860/0x860 [ 801.307254] ? mark_held_locks+0x130/0x130 [ 801.311640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 801.315597] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 801.321108] rcu_gp_kthread+0x341/0xc70 [ 801.325664] ? __switch_to_asm+0x40/0x70 [ 801.330758] ? rcu_gp_init+0x1260/0x1260 [ 801.334964] ? __switch_to_asm+0x40/0x70 [ 801.339003] ? mark_held_locks+0x130/0x130 [ 801.344081] ? __switch_to_asm+0x34/0x70 [ 801.348293] ? __schedule+0x168a/0x21d0 [ 801.353721] ? __switch_to_asm+0x40/0x70 [ 801.357947] ? _raw_spin_unlock_irq+0x27/0x80 [ 801.363456] ? __switch_to_asm+0x34/0x70 [ 801.368101] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 801.372052] ? __switch_to_asm+0x40/0x70 [ 801.376342] ? trace_hardirqs_on+0xbd/0x310 [ 801.380377] ? __switch_to_asm+0x34/0x70 [ 801.384428] ? kasan_check_read+0x11/0x20 [ 801.388672] ? __switch_to_asm+0x40/0x70 [ 801.392713] ? __schedule+0x168a/0x21d0 [ 801.396669] ? __schedule+0x8d7/0x21d0 [ 801.400712] ? trace_hardirqs_off_caller+0x310/0x310 [ 801.405195] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 801.409235] ? lock_pin_lock+0x350/0x350 [ 801.413808] ? zap_class+0x640/0x640 [ 801.417844] ? _raw_spin_unlock_irq+0x60/0x80 [ 801.422159] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 801.426210] ? __schedule+0x168a/0x21d0 [ 801.430332] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 801.434369] ? __switch_to_asm+0x40/0x70 [ 801.438335] ? lock_acquire+0x1ed/0x520 [ 801.442275] ? __switch_to_asm+0x40/0x70 [ 801.447358] ? worker_thread+0x3e0/0x1390 [ 801.451925] ? show_schedstat+0x731/0xf30 [ 801.455969] ? kasan_check_read+0x11/0x20 [ 801.459655] ? __sched_text_start+0x8/0x8 [ 801.464121] ? do_raw_spin_lock+0x14f/0x350 [ 801.468866] ? find_held_lock+0x36/0x1c0 [ 801.473091] ? kasan_check_read+0x11/0x20 [ 801.477659] ? __kthread_parkme+0xce/0x1a0 [ 801.481688] ? rwlock_bug.part.2+0x90/0x90 [ 801.485636] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 801.489676] ? trace_hardirqs_on+0x310/0x310 [ 801.493797] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 801.497932] worker_thread+0x17f/0x1390 [ 801.502045] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 801.506166] ? __switch_to_asm+0x34/0x70 [ 801.510473] ? trace_hardirqs_on+0xbd/0x310 [ 801.514515] ? process_one_work+0x1c40/0x1c40 [ 801.518646] ? kasan_check_read+0x11/0x20 [ 801.522866] ? __sched_text_start+0x8/0x8 [ 801.527064] ? __kthread_parkme+0xce/0x1a0 [ 801.532159] ? __kthread_parkme+0xce/0x1a0 [ 801.536530] ? trace_hardirqs_off_caller+0x310/0x310 [ 801.541606] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 801.545565] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 801.550117] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 801.554165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 801.558470] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 801.562960] ? __kthread_parkme+0xfb/0x1a0 [ 801.567090] ? trace_hardirqs_on+0xbd/0x310 [ 801.571219] ? rcu_gp_init+0x1260/0x1260 [ 801.575858] ? kasan_check_read+0x11/0x20 [ 801.575874] ? __kthread_parkme+0xce/0x1a0 [ 801.580085] kthread+0x35a/0x440 [ 801.585160] ? trace_hardirqs_off_caller+0x310/0x310 [ 801.590275] ? kthread_stop+0x900/0x900 [ 801.595360] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 801.600438] ret_from_fork+0x3a/0x50 [ 801.605964] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 801.610559] NMI backtrace for cpu 0 [ 801.614728] ? __kthread_parkme+0xfb/0x1a0 [ 801.666239] ? process_one_work+0x1c40/0x1c40 [ 801.670736] kthread+0x35a/0x440 [ 801.674870] ? kthread_stop+0x900/0x900 [ 801.678841] ret_from_fork+0x3a/0x50 [ 801.682572] warn_alloc_show_mem: 1 callbacks suppressed [ 801.682582] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 801.682583] Mem-Info: [ 801.682619] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 801.682619] active_file:32 inactive_file:0 isolated_file:0 [ 801.682619] unevictable:0 dirty:0 writeback:0 unstable:0 [ 801.682619] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 801.682619] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 801.682619] free:13730 free_pcp:227 free_cma:0 [ 801.687937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 801.687945] Call Trace: [ 801.694959] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 801.697352] [ 801.730292] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 801.739645] dump_stack+0x244/0x39d [ 801.742206] lowmem_reserve[]: 0 2818 6321 6321 [ 801.770156] ? dump_stack_print_info.cold.1+0x20/0x20 [ 801.773005] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 801.799106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 801.802698] lowmem_reserve[]: 0 0 3503 3503 [ 801.807298] ? do_raw_spin_lock+0x14f/0x350 [ 801.812456] Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 801.840263] nmi_cpu_backtrace.cold.2+0x5c/0xa1 [ 801.845768] lowmem_reserve[]: 0 0 0 0 [ 801.850080] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 801.854368] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 801.883675] nmi_trigger_cpumask_backtrace+0x1e8/0x22a [ 801.888324] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 801.892109] arch_trigger_cpumask_backtrace+0x14/0x20 [ 801.897260] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 96*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13932kB [ 801.910788] rcu_dump_cpu_stacks+0x16f/0x1bc [ 801.916037] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 801.930851] print_cpu_stall.cold.67+0x1f3/0x3c7 [ 801.936012] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 801.950123] ? print_other_cpu_stall+0x160/0x160 [ 801.954498] 6658 total pagecache pages [ 801.963315] ? print_usage_bug+0xc0/0xc0 [ 801.968044] 0 pages in swap cache [ 801.976842] ? kasan_check_read+0x11/0x20 [ 801.981569] Swap cache stats: add 0, delete 0, find 0/0 [ 801.985441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 801.989470] Free swap = 0kB [ 801.992918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 801.997039] Total swap = 0kB [ 802.002382] ? do_trace_rcu_torture_read+0x10/0x10 [ 802.007885] 1965979 pages RAM [ 802.010884] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 802.016378] 0 pages HighMem/MovableOnly [ 802.016385] 342853 pages reserved [ 802.019405] ? __lock_is_held+0xb5/0x140 [ 802.024304] 0 pages cma reserved [ 802.027389] ? __rcu_read_lock+0x50/0x50 [ 802.051453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.056977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.062496] ? check_preemption_disabled+0x48/0x280 [ 802.067502] rcu_check_callbacks+0xf3b/0x13f0 [ 802.072072] ? rcutree_dead_cpu+0x10/0x10 [ 802.076509] ? lock_downgrade+0x900/0x900 [ 802.080643] ? lock_release+0x940/0xa00 [ 802.084608] ? zap_class+0x640/0x640 [ 802.088308] ? mark_held_locks+0x130/0x130 [ 802.092541] ? zap_class+0x640/0x640 [ 802.096254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.101856] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 802.106423] ? kvm_set_tsc_khz+0x540/0x540 [ 802.110671] ? warn_alloc.cold.116+0xd1/0x1bd [ 802.115181] ? find_held_lock+0x36/0x1c0 [ 802.119232] ? zap_class+0x640/0x640 [ 802.122930] ? timekeeping_advance+0x3cc/0xc00 [ 802.127503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.133027] ? check_preemption_disabled+0x48/0x280 [ 802.138037] ? trace_hardirqs_off+0xb8/0x310 [ 802.142432] ? __lock_is_held+0xb5/0x140 [ 802.146478] ? trace_hardirqs_on+0x310/0x310 [ 802.150871] ? check_preemption_disabled+0x48/0x280 [ 802.155875] ? raise_softirq+0x199/0x420 [ 802.159921] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 802.164576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.170095] ? check_preemption_disabled+0x48/0x280 [ 802.175359] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 802.180900] ? hrtimer_run_queues+0x9a/0x400 [ 802.185294] ? run_local_timers+0x19b/0x230 [ 802.189611] ? timer_clear_idle+0x90/0x90 [ 802.193741] ? debug_smp_processor_id+0x1c/0x20 [ 802.198399] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 802.204364] ? account_process_tick+0x282/0x350 [ 802.209023] update_process_times+0x2d/0x70 [ 802.213343] tick_sched_handle+0x9f/0x180 [ 802.217480] tick_sched_timer+0x45/0x130 [ 802.221526] __hrtimer_run_queues+0x41c/0x10d0 [ 802.226107] ? tick_sched_do_timer+0x1a0/0x1a0 [ 802.230680] ? hrtimer_start_range_ns+0xe00/0xe00 [ 802.235524] ? pvclock_read_flags+0x160/0x160 [ 802.240004] ? trace_hardirqs_on+0x310/0x310 [ 802.244399] ? kvm_clock_read+0x18/0x30 [ 802.248366] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 802.253363] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 802.258709] ? do_timer+0x50/0x50 [ 802.262143] ? rwlock_bug.part.2+0x90/0x90 [ 802.266373] ? trace_hardirqs_on+0x310/0x310 [ 802.270764] ? rcu_softirq_qs+0x20/0x20 [ 802.274998] hrtimer_interrupt+0x313/0x780 [ 802.279245] smp_apic_timer_interrupt+0x1a1/0x760 [ 802.284082] ? smp_call_function_single_interrupt+0x650/0x650 [ 802.289960] ? interrupt_entry+0xb5/0xc0 [ 802.294005] ? trace_hardirqs_off_caller+0xbb/0x310 [ 802.299005] ? ____cache_alloc_node+0x1c7/0x1e0 [ 802.303658] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 802.308498] ? trace_hardirqs_on_caller+0x310/0x310 [ 802.313526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 802.318358] apic_timer_interrupt+0xf/0x20 [ 802.322602] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 802.327948] Code: 3f 7e 0f 85 32 ff ff ff e8 15 e5 3d ff e9 28 ff ff ff e8 7c 1a c3 ff 48 83 3d 94 63 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 802.346854] RSP: 0018:ffff8801dae07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 802.354547] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100385c0540 [ 802.361801] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 802.369056] RBP: ffff8801dae074c0 R08: ffff8801c2e02a00 R09: 0000000000000002 [ 802.376567] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: ffff8801d9beec00 [ 802.383821] R13: ffff8801d9beec00 R14: 0000000000000000 R15: 0000000000000286 [ 802.391086] ? apic_timer_interrupt+0xa/0x20 [ 802.395495] ? ipv6_get_ifaddr+0x42e/0x620 [ 802.399720] __alloc_skb+0x119/0x770 [ 802.403413] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 802.408704] ? netdev_alloc_frag+0x1f0/0x1f0 [ 802.413095] ? lock_downgrade+0x900/0x900 [ 802.417232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.422753] ? refcount_sub_and_test_checked+0x203/0x310 [ 802.428191] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 802.433630] ? addrconf_rs_timer+0x690/0x690 [ 802.438032] ndisc_alloc_skb+0x144/0x340 [ 802.442083] ndisc_send_rs+0x331/0x6e0 [ 802.445958] addrconf_rs_timer+0x314/0x690 [ 802.450185] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 802.454414] call_timer_fn+0x272/0x920 [ 802.458285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 802.462522] ? process_timeout+0x40/0x40 [ 802.466574] ? mark_held_locks+0xc7/0x130 [ 802.470705] ? _raw_spin_unlock_irq+0x27/0x80 [ 802.475437] ? _raw_spin_unlock_irq+0x27/0x80 [ 802.479915] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 802.484137] ? lockdep_hardirqs_on+0x296/0x5b0 [ 802.488721] ? trace_hardirqs_on+0xbd/0x310 [ 802.493023] ? kasan_check_read+0x11/0x20 [ 802.497162] ? __run_timers+0x7da/0xc70 [ 802.501133] ? trace_hardirqs_off_caller+0x310/0x310 [ 802.506235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 802.510467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 802.514685] __run_timers+0x7e5/0xc70 [ 802.518474] ? timer_fixup_init+0x70/0x70 [ 802.522609] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 802.527605] ? zap_class+0x640/0x640 [ 802.531304] ? print_usage_bug+0xc0/0xc0 [ 802.535360] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 802.540546] ? find_held_lock+0x36/0x1c0 [ 802.544598] ? zap_class+0x640/0x640 [ 802.548298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.553818] ? check_preemption_disabled+0x48/0x280 [ 802.558831] ? __lock_is_held+0xb5/0x140 [ 802.562876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.568412] ? check_preemption_disabled+0x48/0x280 [ 802.573632] run_timer_softirq+0x52/0xb0 [ 802.577678] ? rcu_read_lock_sched_held+0x14f/0x180 [ 802.582677] __do_softirq+0x308/0xb7e [ 802.586466] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 802.590948] ? lock_downgrade+0x900/0x900 [ 802.595093] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 802.600185] ? pvclock_read_flags+0x160/0x160 [ 802.604669] ? lapic_next_event+0x5a/0x90 [ 802.608800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.614411] ? kvm_clock_read+0x18/0x30 [ 802.618381] ? kvm_sched_clock_read+0x9/0x20 [ 802.622778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.628304] ? check_preemption_disabled+0x48/0x280 [ 802.633327] irq_exit+0x17f/0x1c0 [ 802.636762] smp_apic_timer_interrupt+0x1cb/0x760 [ 802.641606] ? smp_reschedule_interrupt+0x109/0x650 [ 802.646610] ? smp_call_function_single_interrupt+0x650/0x650 [ 802.652480] ? interrupt_entry+0xb5/0xc0 [ 802.656527] ? trace_hardirqs_off_caller+0xbb/0x310 [ 802.662051] ? trace_hardirqs_off_caller+0xbb/0x310 [ 802.667066] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 802.671896] ? trace_hardirqs_on_caller+0x310/0x310 [ 802.677166] ? trace_hardirqs_on_caller+0x310/0x310 [ 802.682173] ? task_prio+0x50/0x50 [ 802.685696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.691215] ? check_preemption_disabled+0x48/0x280 [ 802.696216] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 802.701049] apic_timer_interrupt+0xf/0x20 [ 802.705264] [ 802.707486] RIP: 0010:console_unlock+0x102f/0x1190 [ 802.712438] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 802.731323] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 802.739015] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 802.746265] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 802.753538] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 802.760791] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 802.768042] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 802.775532] ? netconsole_netdev_event+0x280/0x280 [ 802.780566] ? console_unlock+0x1026/0x1190 [ 802.784886] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 802.789648] ? vprintk_emit+0x846/0x990 [ 802.793636] ? lock_release+0xa00/0xa00 [ 802.797615] ? trace_hardirqs_on+0x70/0x310 [ 802.801919] ? vprintk_default+0x28/0x30 [ 802.806433] ? trace_hardirqs_off_caller+0x310/0x310 [ 802.811524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.817060] vprintk_emit+0x391/0x990 [ 802.820933] ? wake_up_klogd+0x180/0x180 [ 802.824992] ? find_held_lock+0x11/0x1c0 [ 802.829048] ? mark_held_locks+0xc7/0x130 [ 802.833182] ? _raw_spin_unlock_irq+0x27/0x80 [ 802.837658] ? _raw_spin_unlock_irq+0x27/0x80 [ 802.842144] vprintk_default+0x28/0x30 [ 802.846041] vprintk_func+0x7e/0x181 [ 802.849757] printk+0xa7/0xcf [ 802.852847] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 802.857588] ? _raw_spin_unlock_irq+0x60/0x80 [ 802.862122] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 802.867401] dump_header+0x7cc/0xf72 [ 802.871104] ? pagefault_out_of_memory+0x197/0x197 [ 802.876254] ? __lock_acquire+0x62f/0x4c20 [ 802.880593] ? print_usage_bug+0xc0/0xc0 [ 802.884655] ? zap_class+0x640/0x640 [ 802.888357] ? zap_class+0x640/0x640 [ 802.892092] ? print_usage_bug+0xc0/0xc0 [ 802.896154] ? print_usage_bug+0xc0/0xc0 [ 802.900210] ? find_held_lock+0x36/0x1c0 [ 802.904264] ? mark_held_locks+0xc7/0x130 [ 802.908397] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 802.913485] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 802.918575] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 802.923155] ? trace_hardirqs_on+0xbd/0x310 [ 802.927459] ? kasan_check_read+0x11/0x20 [ 802.931592] ? ___ratelimit+0x3b4/0x672 [ 802.935549] ? trace_hardirqs_off_caller+0x310/0x310 [ 802.940633] ? trace_hardirqs_on+0x310/0x310 [ 802.945045] ? lock_downgrade+0x900/0x900 [ 802.949185] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 802.954273] ? ___ratelimit+0x3b9/0x672 [ 802.958233] ? idr_get_free+0xf70/0xf70 [ 802.962200] ? kasan_check_read+0x11/0x20 [ 802.966331] ? do_raw_spin_unlock+0xa7/0x330 [ 802.970730] oom_kill_process.cold.27+0x10/0x903 [ 802.975721] ? zap_class+0x640/0x640 [ 802.979425] ? _raw_spin_unlock+0x2c/0x50 [ 802.983551] ? oom_badness+0xe6/0xaa0 [ 802.987333] ? oom_evaluate_task+0x540/0x540 [ 802.991728] ? find_held_lock+0x36/0x1c0 [ 802.995779] ? out_of_memory+0x974/0x1430 [ 802.999915] ? lock_downgrade+0x900/0x900 [ 803.004050] ? check_preemption_disabled+0x48/0x280 [ 803.009057] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 803.013965] ? kasan_check_read+0x11/0x20 [ 803.018091] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 803.023347] ? rcu_softirq_qs+0x20/0x20 [ 803.027305] ? kasan_check_write+0x14/0x20 [ 803.031522] ? oom_evaluate_task+0x302/0x540 [ 803.035916] out_of_memory+0xa84/0x1430 [ 803.039893] ? oom_killer_disable+0x3a0/0x3a0 [ 803.044371] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 803.049283] ? __ww_mutex_check_waiters+0x160/0x160 [ 803.054294] __alloc_pages_slowpath+0x2354/0x2e10 [ 803.059148] ? warn_alloc+0x120/0x120 [ 803.062927] ? mark_held_locks+0x130/0x130 [ 803.067155] ? find_get_entry+0xaae/0x1120 [ 803.071378] ? filemap_map_pages+0x1a20/0x1a20 [ 803.076154] ? zap_class+0x640/0x640 [ 803.079858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.085376] ? check_preemption_disabled+0x48/0x280 [ 803.090375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 803.095906] ? should_fail+0x22d/0xd01 [ 803.099782] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 803.104980] ? zap_class+0x640/0x640 [ 803.108688] ? __lock_is_held+0xb5/0x140 [ 803.112735] ? mark_held_locks+0x130/0x130 [ 803.116955] ? lock_release+0xa00/0xa00 [ 803.120933] ? perf_trace_sched_process_exec+0x860/0x860 [ 803.126371] ? xa_load+0x2ba/0x460 [ 803.129901] ? lock_downgrade+0x900/0x900 [ 803.134041] ? __might_sleep+0x95/0x190 [ 803.138088] __alloc_pages_nodemask+0xa80/0xde0 [ 803.142756] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 803.147842] ? __page_cache_alloc+0x191/0x5c0 [ 803.152336] ? xa_load+0x2e1/0x460 [ 803.155865] ? xa_clear_mark+0x40/0x40 [ 803.159742] ? zap_class+0x640/0x640 [ 803.163449] ? zap_class+0x640/0x640 [ 803.167249] ? zap_class+0x640/0x640 [ 803.171301] ? __do_page_cache_readahead+0x663/0x810 [ 803.176653] ? find_held_lock+0x36/0x1c0 [ 803.180720] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 803.186245] alloc_pages_current+0x173/0x350 [ 803.190640] __page_cache_alloc+0x38c/0x5c0 [ 803.194946] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 803.199863] ? kasan_check_read+0x11/0x20 [ 803.203999] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 803.209263] ? generic_perform_write+0x6a0/0x6a0 [ 803.214006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 803.219529] ? check_preemption_disabled+0x48/0x280 [ 803.224534] filemap_fault+0x1595/0x25f0 [ 803.228657] ? __lock_page_or_retry+0xa00/0xa00 [ 803.233314] ? mark_held_locks+0x130/0x130 [ 803.237539] ? filemap_map_pages+0xd6b/0x1a20 [ 803.242020] ? lock_downgrade+0x900/0x900 [ 803.246179] ? check_preemption_disabled+0x48/0x280 [ 803.251177] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 803.256090] ? kasan_check_read+0x11/0x20 [ 803.260226] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 803.265486] ? rcu_softirq_qs+0x20/0x20 [ 803.269452] ? filemap_map_pages+0xd92/0x1a20 [ 803.274177] ? find_get_entries_tag+0x1400/0x1400 [ 803.279004] ? futex_wake+0x760/0x760 [ 803.282792] ? lock_acquire+0x1ed/0x520 [ 803.286748] ? ext4_filemap_fault+0x7a/0xad [ 803.291056] ? lock_release+0xa00/0xa00 [ 803.295022] ? perf_trace_sched_process_exec+0x860/0x860 [ 803.300469] ? print_usage_bug+0xc0/0xc0 [ 803.304522] ? print_usage_bug+0xc0/0xc0 [ 803.308590] ? down_read+0x8d/0x120 [ 803.312198] ? ext4_filemap_fault+0x7a/0xad [ 803.316507] ? __down_interruptible+0x700/0x700 [ 803.321182] ext4_filemap_fault+0x82/0xad [ 803.325318] __do_fault+0x100/0x6b0 [ 803.328929] ? pmd_devmap_trans_unstable+0x220/0x220 [ 803.334019] ? mark_held_locks+0x130/0x130 [ 803.338241] ? mark_held_locks+0x130/0x130 [ 803.342461] ? __might_fault+0x12b/0x1e0 [ 803.346506] ? lock_downgrade+0x900/0x900 [ 803.350643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 803.356183] __handle_mm_fault+0x3ea0/0x5be0 [ 803.360600] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 803.365427] ? kasan_check_read+0x11/0x20 [ 803.369569] ? _copy_to_user+0xc8/0x110 [ 803.373806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 803.379335] ? zap_class+0x640/0x640 [ 803.383045] ? zap_class+0x640/0x640 [ 803.386838] ? find_held_lock+0x36/0x1c0 [ 803.390892] ? handle_mm_fault+0x42a/0xc70 [ 803.395218] ? lock_downgrade+0x900/0x900 [ 803.399352] ? check_preemption_disabled+0x48/0x280 [ 803.404352] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 803.409262] ? kasan_check_read+0x11/0x20 [ 803.413425] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 803.418687] ? rcu_softirq_qs+0x20/0x20 [ 803.422647] ? trace_hardirqs_off_caller+0x310/0x310 [ 803.427746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 803.433269] ? check_preemption_disabled+0x48/0x280 [ 803.438274] handle_mm_fault+0x54f/0xc70 [ 803.442323] ? __handle_mm_fault+0x5be0/0x5be0 [ 803.446897] ? find_vma+0x34/0x190 [ 803.450442] __do_page_fault+0x5e8/0xe60 [ 803.454487] ? trace_hardirqs_off+0xb8/0x310 [ 803.458904] do_page_fault+0xf2/0x7e0 [ 803.462691] ? vmalloc_sync_all+0x30/0x30 [ 803.466824] ? error_entry+0x70/0xd0 [ 803.470530] ? trace_hardirqs_off_caller+0xbb/0x310 [ 803.475726] ? trace_hardirqs_on_caller+0xc0/0x310 [ 803.480639] ? syscall_return_slowpath+0x5e0/0x5e0 [ 803.485546] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 803.490374] ? trace_hardirqs_on_caller+0x310/0x310 [ 803.495377] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 803.500817] ? prepare_exit_to_usermode+0x291/0x3b0 [ 803.505816] ? page_fault+0x8/0x30 [ 803.509369] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 803.514197] ? page_fault+0x8/0x30 [ 803.517721] page_fault+0x1e/0x30 [ 803.521186] RIP: 0033:0x407e06 [ 803.524394] Code: Bad RIP value. [ 803.527743] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 803.533085] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 803.540346] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 803.547593] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 803.554930] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 803.562197] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 803.569802] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 803.576674] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 803.586977] syz-fuzzer cpuset=/ mems_allowed=0 [ 803.591299] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 803.591567] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 803.602035] syz-executor0 cpuset=syz0 mems_allowed=0 [ 803.609035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 803.609041] Call Trace: [ 803.626020] [ 803.628209] dump_stack+0x244/0x39d [ 803.631832] ? dump_stack_print_info.cold.1+0x20/0x20 [ 803.637024] warn_alloc.cold.116+0xb7/0x1bd [ 803.641338] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 803.646177] ? lock_downgrade+0x900/0x900 [ 803.650321] ? trace_hardirqs_off+0xb8/0x310 [ 803.654726] ? trace_hardirqs_off+0xb8/0x310 [ 803.659627] __alloc_pages_slowpath+0x26e8/0x2e10 [ 803.664481] ? warn_alloc+0x120/0x120 [ 803.668276] ? print_usage_bug+0xc0/0xc0 [ 803.672419] ? warn_alloc+0x120/0x120 [ 803.676457] ? warn_alloc+0x120/0x120 [ 803.680259] ? print_usage_bug+0xc0/0xc0 [ 803.684314] ? print_usage_bug+0xc0/0xc0 [ 803.688380] ? __lock_acquire+0x62f/0x4c20 [ 803.692610] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 803.698227] ? should_fail+0x22d/0xd01 [ 803.702113] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 803.707387] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 803.712482] ? __lock_acquire+0x62f/0x4c20 [ 803.716708] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 803.721814] ? __lock_acquire+0x62f/0x4c20 [ 803.726051] ? should_fail+0x22d/0xd01 [ 803.729952] ? rcu_irq_exit+0x1a2/0x390 [ 803.733919] ? mark_held_locks+0x130/0x130 [ 803.738146] ? mark_held_locks+0x130/0x130 [ 803.742364] ? zap_class+0x640/0x640 [ 803.746072] ? print_usage_bug+0xc0/0xc0 [ 803.750132] ? zap_class+0x640/0x640 [ 803.753850] ? print_usage_bug+0xc0/0xc0 [ 803.757902] ? lock_downgrade+0x900/0x900 [ 803.762053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.767577] ? check_preemption_disabled+0x48/0x280 [ 803.772587] ? __lock_is_held+0xb5/0x140 [ 803.776913] __alloc_pages_nodemask+0xa80/0xde0 [ 803.781572] ? zap_class+0x640/0x640 [ 803.785297] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 803.790319] ? find_held_lock+0x36/0x1c0 [ 803.794468] ? ____cache_alloc_node+0x1c7/0x1e0 [ 803.799132] ? lock_downgrade+0x900/0x900 [ 803.803281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.808816] cache_grow_begin+0xa5/0x8c0 [ 803.812877] ? do_raw_spin_unlock+0xa7/0x330 [ 803.817284] fallback_alloc+0x204/0x2e0 [ 803.821275] ____cache_alloc_node+0x1c7/0x1e0 [ 803.825942] kmem_cache_alloc_node+0xe3/0x730 [ 803.830431] ? ipv6_get_ifaddr+0x42e/0x620 [ 803.834669] __alloc_skb+0x119/0x770 [ 803.838373] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 803.843685] ? netdev_alloc_frag+0x1f0/0x1f0 [ 803.848087] ? lock_downgrade+0x900/0x900 [ 803.852258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.857790] ? refcount_sub_and_test_checked+0x203/0x310 [ 803.863239] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 803.868684] ? addrconf_rs_timer+0x690/0x690 [ 803.873148] ndisc_alloc_skb+0x144/0x340 [ 803.877447] ndisc_send_rs+0x331/0x6e0 [ 803.881332] addrconf_rs_timer+0x314/0x690 [ 803.885558] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 803.889806] call_timer_fn+0x272/0x920 [ 803.893679] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 803.897908] ? process_timeout+0x40/0x40 [ 803.901973] ? mark_held_locks+0xc7/0x130 [ 803.906128] ? _raw_spin_unlock_irq+0x27/0x80 [ 803.910629] ? _raw_spin_unlock_irq+0x27/0x80 [ 803.915123] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 803.919351] ? lockdep_hardirqs_on+0x296/0x5b0 [ 803.923950] ? trace_hardirqs_on+0xbd/0x310 [ 803.928274] ? kasan_check_read+0x11/0x20 [ 803.932419] ? __run_timers+0x7da/0xc70 [ 803.936389] ? trace_hardirqs_off_caller+0x310/0x310 [ 803.941497] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 803.945733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 803.949958] __run_timers+0x7e5/0xc70 [ 803.953762] ? timer_fixup_init+0x70/0x70 [ 803.957909] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 803.962918] ? zap_class+0x640/0x640 [ 803.966632] ? print_usage_bug+0xc0/0xc0 [ 803.970692] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 803.976155] ? find_held_lock+0x36/0x1c0 [ 803.980216] ? zap_class+0x640/0x640 [ 803.983932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.989465] ? check_preemption_disabled+0x48/0x280 [ 803.994493] ? __lock_is_held+0xb5/0x140 [ 803.998562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 804.004116] ? check_preemption_disabled+0x48/0x280 [ 804.009146] run_timer_softirq+0x52/0xb0 [ 804.013219] ? rcu_read_lock_sched_held+0x14f/0x180 [ 804.018317] __do_softirq+0x308/0xb7e [ 804.022135] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 804.026625] ? lock_downgrade+0x900/0x900 [ 804.030773] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 804.035889] ? pvclock_read_flags+0x160/0x160 [ 804.040383] ? lapic_next_event+0x5a/0x90 [ 804.044530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 804.050071] ? kvm_clock_read+0x18/0x30 [ 804.054048] ? kvm_sched_clock_read+0x9/0x20 [ 804.058448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 804.063974] ? check_preemption_disabled+0x48/0x280 [ 804.068986] irq_exit+0x17f/0x1c0 [ 804.072459] smp_apic_timer_interrupt+0x1cb/0x760 [ 804.077595] ? smp_reschedule_interrupt+0x109/0x650 [ 804.082610] ? smp_call_function_single_interrupt+0x650/0x650 [ 804.088485] ? interrupt_entry+0xb5/0xc0 [ 804.092540] ? trace_hardirqs_off_caller+0xbb/0x310 [ 804.097543] ? trace_hardirqs_off_caller+0xbb/0x310 [ 804.102551] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 804.107401] ? trace_hardirqs_on_caller+0x310/0x310 [ 804.112422] ? trace_hardirqs_on_caller+0x310/0x310 [ 804.117437] ? task_prio+0x50/0x50 [ 804.120966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 804.126490] ? check_preemption_disabled+0x48/0x280 [ 804.131521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 804.136448] apic_timer_interrupt+0xf/0x20 [ 804.140665] [ 804.142897] RIP: 0010:console_unlock+0x102f/0x1190 [ 804.147825] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 804.166741] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 804.174724] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 804.181983] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 804.189248] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 804.196516] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 804.203776] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 804.211047] ? netconsole_netdev_event+0x280/0x280 [ 804.215978] ? console_unlock+0x1026/0x1190 [ 804.220309] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 804.224966] ? vprintk_emit+0x846/0x990 [ 804.228940] ? lock_release+0xa00/0xa00 [ 804.233028] ? trace_hardirqs_on+0x70/0x310 [ 804.237344] ? vprintk_default+0x28/0x30 [ 804.241395] ? trace_hardirqs_off_caller+0x310/0x310 [ 804.246491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 804.252025] vprintk_emit+0x391/0x990 [ 804.255913] ? wake_up_klogd+0x180/0x180 [ 804.259969] ? find_held_lock+0x11/0x1c0 [ 804.264034] ? mark_held_locks+0xc7/0x130 [ 804.268183] ? _raw_spin_unlock_irq+0x27/0x80 [ 804.272681] ? _raw_spin_unlock_irq+0x27/0x80 [ 804.277383] vprintk_default+0x28/0x30 [ 804.281260] vprintk_func+0x7e/0x181 [ 804.284963] printk+0xa7/0xcf [ 804.288059] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 804.292809] ? _raw_spin_unlock_irq+0x60/0x80 [ 804.297297] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 804.302569] dump_header+0x7cc/0xf72 [ 804.306288] ? pagefault_out_of_memory+0x197/0x197 [ 804.311213] ? __lock_acquire+0x62f/0x4c20 [ 804.315453] ? print_usage_bug+0xc0/0xc0 [ 804.319504] ? zap_class+0x640/0x640 [ 804.323204] ? zap_class+0x640/0x640 [ 804.326926] ? print_usage_bug+0xc0/0xc0 [ 804.330984] ? print_usage_bug+0xc0/0xc0 [ 804.335061] ? find_held_lock+0x36/0x1c0 [ 804.339140] ? mark_held_locks+0xc7/0x130 [ 804.343280] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 804.348370] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 804.353462] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 804.358042] ? trace_hardirqs_on+0xbd/0x310 [ 804.362357] ? kasan_check_read+0x11/0x20 [ 804.366493] ? ___ratelimit+0x3b4/0x672 [ 804.370455] ? trace_hardirqs_off_caller+0x310/0x310 [ 804.375797] ? trace_hardirqs_on+0x310/0x310 [ 804.380206] ? lock_downgrade+0x900/0x900 [ 804.384368] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 804.389466] ? ___ratelimit+0x3b9/0x672 [ 804.393433] ? idr_get_free+0xf70/0xf70 [ 804.397400] ? kasan_check_read+0x11/0x20 [ 804.401625] ? do_raw_spin_unlock+0xa7/0x330 [ 804.406035] oom_kill_process.cold.27+0x10/0x903 [ 804.410782] ? zap_class+0x640/0x640 [ 804.414615] ? _raw_spin_unlock+0x2c/0x50 [ 804.418756] ? oom_badness+0xe6/0xaa0 [ 804.422550] ? oom_evaluate_task+0x540/0x540 [ 804.426948] ? find_held_lock+0x36/0x1c0 [ 804.431003] ? out_of_memory+0x974/0x1430 [ 804.435147] ? lock_downgrade+0x900/0x900 [ 804.439303] ? check_preemption_disabled+0x48/0x280 [ 804.444325] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 804.449257] ? kasan_check_read+0x11/0x20 [ 804.453395] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 804.458687] ? rcu_softirq_qs+0x20/0x20 [ 804.462664] ? kasan_check_write+0x14/0x20 [ 804.466884] ? oom_evaluate_task+0x302/0x540 [ 804.471283] out_of_memory+0xa84/0x1430 [ 804.475493] ? oom_killer_disable+0x3a0/0x3a0 [ 804.479976] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 804.484901] ? __ww_mutex_check_waiters+0x160/0x160 [ 804.489924] __alloc_pages_slowpath+0x2354/0x2e10 [ 804.494777] ? warn_alloc+0x120/0x120 [ 804.498562] ? mark_held_locks+0x130/0x130 [ 804.502808] ? find_get_entry+0xaae/0x1120 [ 804.507043] ? filemap_map_pages+0x1a20/0x1a20 [ 804.511627] ? zap_class+0x640/0x640 [ 804.515333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 804.520857] ? check_preemption_disabled+0x48/0x280 [ 804.525950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 804.531494] ? should_fail+0x22d/0xd01 [ 804.535384] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 804.540475] ? zap_class+0x640/0x640 [ 804.544205] ? __lock_is_held+0xb5/0x140 [ 804.548275] ? mark_held_locks+0x130/0x130 [ 804.552518] ? lock_release+0xa00/0xa00 [ 804.556502] ? perf_trace_sched_process_exec+0x860/0x860 [ 804.561945] ? xa_load+0x2ba/0x460 [ 804.565475] ? lock_downgrade+0x900/0x900 [ 804.569622] ? __might_sleep+0x95/0x190 [ 804.573585] __alloc_pages_nodemask+0xa80/0xde0 [ 804.578501] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 804.583505] ? __page_cache_alloc+0x191/0x5c0 [ 804.587987] ? xa_load+0x2e1/0x460 [ 804.591515] ? xa_clear_mark+0x40/0x40 [ 804.595501] ? zap_class+0x640/0x640 [ 804.599208] ? zap_class+0x640/0x640 [ 804.603009] ? zap_class+0x640/0x640 [ 804.606711] ? __do_page_cache_readahead+0x663/0x810 [ 804.611805] ? find_held_lock+0x36/0x1c0 [ 804.615859] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 804.621390] alloc_pages_current+0x173/0x350 [ 804.625789] __page_cache_alloc+0x38c/0x5c0 [ 804.630099] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 804.635123] ? kasan_check_read+0x11/0x20 [ 804.639258] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 804.644541] ? generic_perform_write+0x6a0/0x6a0 [ 804.649301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 804.654829] ? check_preemption_disabled+0x48/0x280 [ 804.660342] filemap_fault+0x1595/0x25f0 [ 804.664408] ? __lock_page_or_retry+0xa00/0xa00 [ 804.669091] ? mark_held_locks+0x130/0x130 [ 804.673344] ? filemap_map_pages+0xd6b/0x1a20 [ 804.678040] ? lock_downgrade+0x900/0x900 [ 804.682188] ? check_preemption_disabled+0x48/0x280 [ 804.687197] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 804.692116] ? kasan_check_read+0x11/0x20 [ 804.696252] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 804.701518] ? rcu_softirq_qs+0x20/0x20 [ 804.705505] ? filemap_map_pages+0xd92/0x1a20 [ 804.709996] ? find_get_entries_tag+0x1400/0x1400 [ 804.714829] ? futex_wake+0x760/0x760 [ 804.718638] ? lock_acquire+0x1ed/0x520 [ 804.722603] ? ext4_filemap_fault+0x7a/0xad [ 804.726922] ? lock_release+0xa00/0xa00 [ 804.730981] ? perf_trace_sched_process_exec+0x860/0x860 [ 804.736523] ? print_usage_bug+0xc0/0xc0 [ 804.740578] ? print_usage_bug+0xc0/0xc0 [ 804.744642] ? down_read+0x8d/0x120 [ 804.748259] ? ext4_filemap_fault+0x7a/0xad [ 804.752570] ? __down_interruptible+0x700/0x700 [ 804.757241] ext4_filemap_fault+0x82/0xad [ 804.761474] __do_fault+0x100/0x6b0 [ 804.765100] ? pmd_devmap_trans_unstable+0x220/0x220 [ 804.770199] ? mark_held_locks+0x130/0x130 [ 804.774563] ? mark_held_locks+0x130/0x130 [ 804.778797] ? __might_fault+0x12b/0x1e0 [ 804.782849] ? lock_downgrade+0x900/0x900 [ 804.786988] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 804.793254] __handle_mm_fault+0x3ea0/0x5be0 [ 804.797670] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 804.802511] ? kasan_check_read+0x11/0x20 [ 804.806652] ? _copy_to_user+0xc8/0x110 [ 804.810617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 804.816155] ? zap_class+0x640/0x640 [ 804.819863] ? zap_class+0x640/0x640 [ 804.823678] ? find_held_lock+0x36/0x1c0 [ 804.827741] ? handle_mm_fault+0x42a/0xc70 [ 804.831973] ? lock_downgrade+0x900/0x900 [ 804.836215] ? check_preemption_disabled+0x48/0x280 [ 804.841224] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 804.846144] ? kasan_check_read+0x11/0x20 [ 804.850287] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 804.855558] ? rcu_softirq_qs+0x20/0x20 [ 804.859528] ? trace_hardirqs_off_caller+0x310/0x310 [ 804.864622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 804.870153] ? check_preemption_disabled+0x48/0x280 [ 804.875421] handle_mm_fault+0x54f/0xc70 [ 804.880014] ? __handle_mm_fault+0x5be0/0x5be0 [ 804.884589] ? find_vma+0x34/0x190 [ 804.888127] __do_page_fault+0x5e8/0xe60 [ 804.892175] ? trace_hardirqs_off+0xb8/0x310 [ 804.896590] do_page_fault+0xf2/0x7e0 [ 804.900387] ? vmalloc_sync_all+0x30/0x30 [ 804.904524] ? error_entry+0x70/0xd0 [ 804.908225] ? trace_hardirqs_off_caller+0xbb/0x310 [ 804.913235] ? trace_hardirqs_on_caller+0xc0/0x310 [ 804.918156] ? syscall_return_slowpath+0x5e0/0x5e0 [ 804.923090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 804.927923] ? trace_hardirqs_on_caller+0x310/0x310 [ 804.932928] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 804.938495] ? prepare_exit_to_usermode+0x291/0x3b0 [ 804.943504] ? page_fault+0x8/0x30 [ 804.947043] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 804.951886] ? page_fault+0x8/0x30 [ 804.955435] page_fault+0x1e/0x30 [ 804.958888] RIP: 0033:0x407e06 [ 804.962100] Code: Bad RIP value. [ 804.965452] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 804.970806] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 804.978317] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 804.985601] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 804.992863] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 805.000124] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 805.007399] Mem-Info: [ 805.007408] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 805.007418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 805.009819] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 805.009819] active_file:32 inactive_file:0 isolated_file:0 [ 805.009819] unevictable:0 dirty:0 writeback:0 unstable:0 [ 805.009819] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 805.009819] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 805.009819] free:13762 free_pcp:227 free_cma:0 [ 805.017067] Call Trace: [ 805.026444] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 805.059984] dump_stack+0x244/0x39d [ 805.062536] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 805.090871] ? dump_stack_print_info.cold.1+0x20/0x20 [ 805.094457] lowmem_reserve[]: 0 2818 6321 6321 [ 805.120574] warn_alloc.cold.116+0xb7/0x1bd [ 805.125717] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:228kB free_cma:0kB [ 805.130305] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 805.134594] lowmem_reserve[]: 0 0 3503 3503 [ 805.162084] ? lock_downgrade+0x900/0x900 [ 805.166903] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:248kB free_cma:0kB [ 805.171221] ? trace_hardirqs_off+0xb8/0x310 [ 805.175627] lowmem_reserve[]: 0 0 0 0 [ 805.204683] ? trace_hardirqs_off+0xb8/0x310 [ 805.209062] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 805.212857] __alloc_pages_slowpath+0x26e8/0x2e10 [ 805.217229] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 805.230758] ? warn_alloc+0x120/0x120 [ 805.235548] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 97*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13964kB [ 805.250363] ? zap_class+0x640/0x640 [ 805.254136] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 805.268245] ? warn_alloc+0x120/0x120 [ 805.271930] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 805.281039] ? warn_alloc+0x120/0x120 [ 805.284826] 6658 total pagecache pages [ 805.293380] ? print_usage_bug+0xc0/0xc0 [ 805.297151] 0 pages in swap cache [ 805.301033] ? print_usage_bug+0xc0/0xc0 [ 805.305079] Swap cache stats: add 0, delete 0, find 0/0 [ 805.308509] ? cpuacct_charge+0x265/0x440 [ 805.312536] Free swap = 0kB [ 805.317885] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 805.322002] Total swap = 0kB [ 805.325012] ? should_fail+0x22d/0xd01 [ 805.330515] 1965979 pages RAM [ 805.333517] ? find_held_lock+0x36/0x1c0 [ 805.337366] 0 pages HighMem/MovableOnly [ 805.337373] 342853 pages reserved [ 805.340484] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 805.344508] 0 pages cma reserved [ 805.348464] ? __lock_acquire+0x62f/0x4c20 [ 805.351945] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 805.356962] ? should_fail+0x22d/0xd01 [ 805.360650] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 805.364515] ? __update_load_avg_blocked_se+0x690/0x690 [ 805.370976] syz-fuzzer cpuset=/ mems_allowed=0 [ 805.375308] ? mark_held_locks+0x130/0x130 [ 805.399736] ? mark_held_locks+0x130/0x130 [ 805.403971] ? __lock_acquire+0x62f/0x4c20 [ 805.408197] ? update_load_avg+0x387/0x2470 [ 805.412515] ? zap_class+0x640/0x640 [ 805.416226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 805.421757] ? check_preemption_disabled+0x48/0x280 [ 805.426881] ? __lock_is_held+0xb5/0x140 [ 805.430946] __alloc_pages_nodemask+0xa80/0xde0 [ 805.435623] ? zap_class+0x640/0x640 [ 805.439356] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 805.444375] ? find_held_lock+0x36/0x1c0 [ 805.448436] ? ____cache_alloc_node+0x1c7/0x1e0 [ 805.453183] ? lock_downgrade+0x900/0x900 [ 805.457331] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 805.462870] cache_grow_begin+0xa5/0x8c0 [ 805.466921] ? do_raw_spin_unlock+0xa7/0x330 [ 805.471327] fallback_alloc+0x204/0x2e0 [ 805.475747] ____cache_alloc_node+0x1c7/0x1e0 [ 805.480237] kmem_cache_alloc+0x1f8/0x730 [ 805.484403] skb_clone+0x1bb/0x500 [ 805.487935] ? finish_task_switch+0x1b4/0x910 [ 805.492418] ? skb_split+0x11e0/0x11e0 [ 805.496298] ? preempt_notifier_register+0x200/0x200 [ 805.501391] ? __switch_to_asm+0x34/0x70 [ 805.505437] ? __switch_to_asm+0x34/0x70 [ 805.509484] ? __switch_to_asm+0x40/0x70 [ 805.513532] ? __switch_to_asm+0x34/0x70 [ 805.517585] ? __switch_to_asm+0x40/0x70 [ 805.521635] ? __switch_to_asm+0x34/0x70 [ 805.525688] ? __switch_to_asm+0x40/0x70 [ 805.529734] ? __switch_to_asm+0x34/0x70 [ 805.533784] ? __switch_to_asm+0x34/0x70 [ 805.537833] ? __switch_to_asm+0x40/0x70 [ 805.541877] ? __switch_to_asm+0x34/0x70 [ 805.545933] bpf_clone_redirect+0xb9/0x490 [ 805.550168] ? __schedule+0x8d7/0x21d0 [ 805.554077] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 805.559117] ? __sched_text_start+0x8/0x8 [ 805.563262] ? retint_kernel+0x2d/0x2d [ 805.567146] ? find_held_lock+0x36/0x1c0 [ 805.571205] ? lock_acquire+0x1ed/0x520 [ 805.575468] ? bpf_test_run+0x3cb/0x780 [ 805.579446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 805.584973] ? check_preemption_disabled+0x48/0x280 [ 805.589984] ? kasan_check_read+0x11/0x20 [ 805.594123] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 805.599414] ? rcu_softirq_qs+0x20/0x20 [ 805.603401] ? preempt_schedule+0x4d/0x60 [ 805.607573] ? ___preempt_schedule+0x16/0x18 [ 805.611990] ? bpf_test_run+0x25d/0x780 [ 805.615982] ? netlink_diag_dump+0x2a0/0x2a0 [ 805.620416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 805.625947] ? bpf_test_init.isra.10+0x70/0x100 [ 805.630705] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 805.635464] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 805.640299] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 805.645831] ? fput+0x130/0x1a0 [ 805.649106] ? __bpf_prog_get+0x9b/0x290 [ 805.653168] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 805.658111] ? bpf_prog_test_run+0x130/0x1a0 [ 805.662519] ? __x64_sys_bpf+0x3db/0x520 [ 805.666584] ? bpf_prog_get+0x20/0x20 [ 805.670406] ? do_syscall_64+0x1b9/0x820 [ 805.674860] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 805.680221] ? syscall_return_slowpath+0x5e0/0x5e0 [ 805.685144] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 805.689989] ? trace_hardirqs_on_caller+0x310/0x310 [ 805.695005] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 805.700046] ? prepare_exit_to_usermode+0x291/0x3b0 [ 805.705083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 805.709926] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 805.715409] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 805.715411] Mem-Info: [ 805.715463] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 805.715463] active_file:32 inactive_file:0 isolated_file:0 [ 805.715463] unevictable:0 dirty:0 writeback:0 unstable:0 [ 805.715463] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 805.715463] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 805.715463] free:13762 free_pcp:227 free_cma:0 [ 805.722449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 805.724872] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 805.757791] Call Trace: [ 805.767123] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 805.795427] [ 805.798001] lowmem_reserve[]: 0 2818 6321 6321 [ 805.824109] dump_stack+0x244/0x39d [ 805.826729] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 805.831305] ? dump_stack_print_info.cold.1+0x20/0x20 [ 805.834893] lowmem_reserve[]: 0 0 3503 3503 [ 805.862479] warn_alloc.cold.116+0xb7/0x1bd [ 805.867627] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 805.871935] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 805.876674] lowmem_reserve[]: 0 0 0 0 [ 805.905721] ? lock_downgrade+0x900/0x900 [ 805.910530] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 805.914324] ? trace_hardirqs_off+0xb8/0x310 [ 805.918436] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 805.931952] ? trace_hardirqs_off+0xb8/0x310 [ 805.936323] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 97*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13964kB [ 805.951071] __alloc_pages_slowpath+0x26e8/0x2e10 [ 805.955454] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 805.969587] ? warn_alloc+0x120/0x120 [ 805.975054] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 805.983867] ? __lock_acquire+0x62f/0x4c20 [ 805.987640] 6658 total pagecache pages [ 805.996193] ? warn_alloc+0x120/0x120 [ 806.000403] 0 pages in swap cache [ 806.004265] ? warn_alloc+0x120/0x120 [ 806.008054] Swap cache stats: add 0, delete 0, find 0/0 [ 806.008062] Free swap = 0kB [ 806.011497] ? print_usage_bug+0xc0/0xc0 [ 806.015265] Total swap = 0kB [ 806.020613] ? print_usage_bug+0xc0/0xc0 [ 806.023716] 1965979 pages RAM [ 806.027764] ? check_usage_forwards+0x3d0/0x3d0 [ 806.030758] 0 pages HighMem/MovableOnly [ 806.034801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 806.037872] 342853 pages reserved [ 806.042529] ? should_fail+0x22d/0xd01 [ 806.046472] 0 pages cma reserved [ 806.052006] ? __bfs+0x321/0x780 [ 806.066023] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 806.071149] ? __lock_acquire+0x62f/0x4c20 [ 806.075796] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 806.077611] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 806.080898] ? __lock_acquire+0x62f/0x4c20 [ 806.091357] syz-executor0 cpuset=syz0 mems_allowed=0 [ 806.095568] ? should_fail+0x22d/0xd01 [ 806.095589] ? mark_held_locks+0x130/0x130 [ 806.108742] ? mark_held_locks+0x130/0x130 [ 806.112988] ? kasan_check_read+0x11/0x20 [ 806.117123] ? __lock_acquire+0x2aff/0x4c20 [ 806.121434] ? zap_class+0x640/0x640 [ 806.125153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 806.130686] ? check_preemption_disabled+0x48/0x280 [ 806.135699] ? __lock_is_held+0xb5/0x140 [ 806.139783] __alloc_pages_nodemask+0xa80/0xde0 [ 806.144462] ? zap_class+0x640/0x640 [ 806.148167] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 806.153184] ? find_held_lock+0x36/0x1c0 [ 806.157243] ? ____cache_alloc_node+0x1c7/0x1e0 [ 806.161900] ? lock_downgrade+0x900/0x900 [ 806.166057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 806.171582] cache_grow_begin+0xa5/0x8c0 [ 806.175897] ? do_raw_spin_unlock+0xa7/0x330 [ 806.180302] fallback_alloc+0x204/0x2e0 [ 806.184270] ____cache_alloc_node+0x1c7/0x1e0 [ 806.188763] kmem_cache_alloc_node+0xe3/0x730 [ 806.193333] ? do_raw_spin_unlock+0xa7/0x330 [ 806.197734] ? do_raw_spin_trylock+0x270/0x270 [ 806.202397] __alloc_skb+0x119/0x770 [ 806.206102] ? netdev_alloc_frag+0x1f0/0x1f0 [ 806.210498] ? atomic_notifier_call_chain+0xc6/0x190 [ 806.215591] ? lock_downgrade+0x900/0x900 [ 806.219746] ? check_preemption_disabled+0x48/0x280 [ 806.224766] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 806.229683] ? kasan_check_read+0x11/0x20 [ 806.233816] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 806.239110] ? rcu_softirq_qs+0x20/0x20 [ 806.243070] ? kasan_check_read+0x11/0x20 [ 806.247208] ? do_raw_write_trylock+0x270/0x270 [ 806.251876] __neigh_notify+0x8c/0x160 [ 806.255752] ? neigh_connected_output+0x780/0x780 [ 806.260583] neigh_timer_handler+0x6cb/0xdf0 [ 806.264982] ? check_preemption_disabled+0x48/0x280 [ 806.269998] ? neigh_periodic_work+0xc60/0xc60 [ 806.274768] ? __lock_is_held+0xb5/0x140 [ 806.278828] call_timer_fn+0x272/0x920 [ 806.282700] ? neigh_periodic_work+0xc60/0xc60 [ 806.287291] ? process_timeout+0x40/0x40 [ 806.291350] ? mark_held_locks+0xc7/0x130 [ 806.295485] ? _raw_spin_unlock_irq+0x27/0x80 [ 806.299974] ? _raw_spin_unlock_irq+0x27/0x80 [ 806.304459] ? neigh_periodic_work+0xc60/0xc60 [ 806.309036] ? lockdep_hardirqs_on+0x296/0x5b0 [ 806.313612] ? trace_hardirqs_on+0xbd/0x310 [ 806.317922] ? kasan_check_read+0x11/0x20 [ 806.322153] ? __run_timers+0x7da/0xc70 [ 806.326117] ? trace_hardirqs_off_caller+0x310/0x310 [ 806.331220] ? ip4_frag_init+0x420/0x420 [ 806.335274] ? neigh_periodic_work+0xc60/0xc60 [ 806.339844] __run_timers+0x7e5/0xc70 [ 806.343641] ? timer_fixup_init+0x70/0x70 [ 806.347789] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 806.352793] ? zap_class+0x640/0x640 [ 806.356506] ? print_usage_bug+0xc0/0xc0 [ 806.360561] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 806.365749] ? find_held_lock+0x36/0x1c0 [ 806.369807] ? zap_class+0x640/0x640 [ 806.373520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 806.379318] ? check_preemption_disabled+0x48/0x280 [ 806.384334] ? __lock_is_held+0xb5/0x140 [ 806.388475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 806.394000] ? check_preemption_disabled+0x48/0x280 [ 806.399028] run_timer_softirq+0x52/0xb0 [ 806.403188] ? rcu_read_lock_sched_held+0x14f/0x180 [ 806.408192] __do_softirq+0x308/0xb7e [ 806.411997] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 806.416512] ? lock_downgrade+0x900/0x900 [ 806.420745] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 806.425848] ? pvclock_read_flags+0x160/0x160 [ 806.430336] ? lapic_next_event+0x5a/0x90 [ 806.434514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 806.440055] ? kvm_clock_read+0x18/0x30 [ 806.444038] ? kvm_sched_clock_read+0x9/0x20 [ 806.448444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 806.453976] ? check_preemption_disabled+0x48/0x280 [ 806.459013] irq_exit+0x17f/0x1c0 [ 806.462464] smp_apic_timer_interrupt+0x1cb/0x760 [ 806.467303] ? smp_reschedule_interrupt+0x109/0x650 [ 806.472311] ? smp_call_function_single_interrupt+0x650/0x650 [ 806.478420] ? interrupt_entry+0xb5/0xc0 [ 806.482475] ? trace_hardirqs_off_caller+0xbb/0x310 [ 806.487483] ? trace_hardirqs_off_caller+0xbb/0x310 [ 806.492491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 806.497329] ? trace_hardirqs_on_caller+0x310/0x310 [ 806.502341] ? trace_hardirqs_on_caller+0x310/0x310 [ 806.507353] ? task_prio+0x50/0x50 [ 806.510886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 806.516410] ? check_preemption_disabled+0x48/0x280 [ 806.521422] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 806.526276] apic_timer_interrupt+0xf/0x20 [ 806.530495] [ 806.532721] RIP: 0010:console_unlock+0x102f/0x1190 [ 806.537758] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 806.556733] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 806.564432] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 806.571691] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 806.579365] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 806.586621] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 806.593882] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 806.601154] ? netconsole_netdev_event+0x280/0x280 [ 806.606101] ? console_unlock+0x1026/0x1190 [ 806.610440] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 806.615102] ? vprintk_emit+0x846/0x990 [ 806.619065] ? lock_release+0xa00/0xa00 [ 806.623034] ? trace_hardirqs_on+0x70/0x310 [ 806.627346] ? vprintk_default+0x28/0x30 [ 806.631403] ? trace_hardirqs_off_caller+0x310/0x310 [ 806.636499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 806.642045] vprintk_emit+0x391/0x990 [ 806.645841] ? wake_up_klogd+0x180/0x180 [ 806.649982] ? find_held_lock+0x11/0x1c0 [ 806.654051] ? mark_held_locks+0xc7/0x130 [ 806.658686] ? _raw_spin_unlock_irq+0x27/0x80 [ 806.663279] ? _raw_spin_unlock_irq+0x27/0x80 [ 806.667771] vprintk_default+0x28/0x30 [ 806.671656] vprintk_func+0x7e/0x181 [ 806.675691] printk+0xa7/0xcf [ 806.678785] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 806.683622] ? _raw_spin_unlock_irq+0x60/0x80 [ 806.688118] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 806.693482] dump_header+0x7cc/0xf72 [ 806.697196] ? pagefault_out_of_memory+0x197/0x197 [ 806.702124] ? __lock_acquire+0x62f/0x4c20 [ 806.706357] ? print_usage_bug+0xc0/0xc0 [ 806.710420] ? zap_class+0x640/0x640 [ 806.714118] ? zap_class+0x640/0x640 [ 806.717817] ? print_usage_bug+0xc0/0xc0 [ 806.721885] ? print_usage_bug+0xc0/0xc0 [ 806.725958] ? find_held_lock+0x36/0x1c0 [ 806.730029] ? mark_held_locks+0xc7/0x130 [ 806.734169] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 806.739259] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 806.744352] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 806.748940] ? trace_hardirqs_on+0xbd/0x310 [ 806.753248] ? kasan_check_read+0x11/0x20 [ 806.757386] ? ___ratelimit+0x3b4/0x672 [ 806.761359] ? trace_hardirqs_off_caller+0x310/0x310 [ 806.766452] ? trace_hardirqs_on+0x310/0x310 [ 806.770850] ? lock_downgrade+0x900/0x900 [ 806.775181] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 806.780275] ? ___ratelimit+0x3b9/0x672 [ 806.784243] ? idr_get_free+0xf70/0xf70 [ 806.788210] ? kasan_check_read+0x11/0x20 [ 806.793082] ? do_raw_spin_unlock+0xa7/0x330 [ 806.797496] oom_kill_process.cold.27+0x10/0x903 [ 806.802244] ? zap_class+0x640/0x640 [ 806.805965] ? _raw_spin_unlock+0x2c/0x50 [ 806.810108] ? oom_badness+0xe6/0xaa0 [ 806.813899] ? oom_evaluate_task+0x540/0x540 [ 806.818297] ? find_held_lock+0x36/0x1c0 [ 806.822441] ? out_of_memory+0x974/0x1430 [ 806.826583] ? lock_downgrade+0x900/0x900 [ 806.830726] ? check_preemption_disabled+0x48/0x280 [ 806.835734] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 806.840845] ? kasan_check_read+0x11/0x20 [ 806.844986] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 806.850265] ? rcu_softirq_qs+0x20/0x20 [ 806.854351] ? kasan_check_write+0x14/0x20 [ 806.858597] ? oom_evaluate_task+0x302/0x540 [ 806.863010] out_of_memory+0xa84/0x1430 [ 806.866985] ? oom_killer_disable+0x3a0/0x3a0 [ 806.871482] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 806.876654] ? __ww_mutex_check_waiters+0x160/0x160 [ 806.881669] __alloc_pages_slowpath+0x2354/0x2e10 [ 806.886528] ? warn_alloc+0x120/0x120 [ 806.890326] ? mark_held_locks+0x130/0x130 [ 806.894564] ? find_get_entry+0xaae/0x1120 [ 806.898802] ? filemap_map_pages+0x1a20/0x1a20 [ 806.903380] ? zap_class+0x640/0x640 [ 806.907093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 806.912626] ? check_preemption_disabled+0x48/0x280 [ 806.917631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 806.923245] ? should_fail+0x22d/0xd01 [ 806.927132] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 806.932231] ? zap_class+0x640/0x640 [ 806.935964] ? __lock_is_held+0xb5/0x140 [ 806.940034] ? mark_held_locks+0x130/0x130 [ 806.944279] ? lock_release+0xa00/0xa00 [ 806.948247] ? perf_trace_sched_process_exec+0x860/0x860 [ 806.953696] ? xa_load+0x2ba/0x460 [ 806.957235] ? lock_downgrade+0x900/0x900 [ 806.961379] ? __might_sleep+0x95/0x190 [ 806.965353] __alloc_pages_nodemask+0xa80/0xde0 [ 806.970026] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 806.975389] ? __page_cache_alloc+0x191/0x5c0 [ 806.979874] ? xa_load+0x2e1/0x460 [ 806.983422] ? xa_clear_mark+0x40/0x40 [ 806.987318] ? zap_class+0x640/0x640 [ 806.991050] ? zap_class+0x640/0x640 [ 806.994756] ? zap_class+0x640/0x640 [ 806.998461] ? __do_page_cache_readahead+0x663/0x810 [ 807.003560] ? find_held_lock+0x36/0x1c0 [ 807.007621] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 807.013157] alloc_pages_current+0x173/0x350 [ 807.017562] __page_cache_alloc+0x38c/0x5c0 [ 807.021872] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 807.026796] ? kasan_check_read+0x11/0x20 [ 807.030938] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 807.036223] ? generic_perform_write+0x6a0/0x6a0 [ 807.040972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 807.046509] ? check_preemption_disabled+0x48/0x280 [ 807.051528] filemap_fault+0x1595/0x25f0 [ 807.055595] ? __lock_page_or_retry+0xa00/0xa00 [ 807.060258] ? mark_held_locks+0x130/0x130 [ 807.064493] ? filemap_map_pages+0xd6b/0x1a20 [ 807.068979] ? lock_downgrade+0x900/0x900 [ 807.073133] ? check_preemption_disabled+0x48/0x280 [ 807.078392] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 807.083430] ? kasan_check_read+0x11/0x20 [ 807.087569] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 807.092837] ? rcu_softirq_qs+0x20/0x20 [ 807.096918] ? filemap_map_pages+0xd92/0x1a20 [ 807.101422] ? find_get_entries_tag+0x1400/0x1400 [ 807.106263] ? futex_wake+0x760/0x760 [ 807.110072] ? lock_acquire+0x1ed/0x520 [ 807.114044] ? ext4_filemap_fault+0x7a/0xad [ 807.118385] ? lock_release+0xa00/0xa00 [ 807.122349] ? perf_trace_sched_process_exec+0x860/0x860 [ 807.127801] ? print_usage_bug+0xc0/0xc0 [ 807.131875] ? print_usage_bug+0xc0/0xc0 [ 807.135939] ? down_read+0x8d/0x120 [ 807.139570] ? ext4_filemap_fault+0x7a/0xad [ 807.143883] ? __down_interruptible+0x700/0x700 [ 807.148566] ext4_filemap_fault+0x82/0xad [ 807.152722] __do_fault+0x100/0x6b0 [ 807.156430] ? pmd_devmap_trans_unstable+0x220/0x220 [ 807.161526] ? mark_held_locks+0x130/0x130 [ 807.165785] ? mark_held_locks+0x130/0x130 [ 807.170029] ? __might_fault+0x12b/0x1e0 [ 807.174088] ? lock_downgrade+0x900/0x900 [ 807.178564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 807.184190] __handle_mm_fault+0x3ea0/0x5be0 [ 807.188613] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 807.193445] ? kasan_check_read+0x11/0x20 [ 807.197598] ? _copy_to_user+0xc8/0x110 [ 807.201566] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 807.207106] ? zap_class+0x640/0x640 [ 807.210808] ? zap_class+0x640/0x640 [ 807.214519] ? find_held_lock+0x36/0x1c0 [ 807.218582] ? handle_mm_fault+0x42a/0xc70 [ 807.222804] ? lock_downgrade+0x900/0x900 [ 807.226945] ? check_preemption_disabled+0x48/0x280 [ 807.232022] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 807.236958] ? kasan_check_read+0x11/0x20 [ 807.241105] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 807.246370] ? rcu_softirq_qs+0x20/0x20 [ 807.250337] ? trace_hardirqs_off_caller+0x310/0x310 [ 807.255454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 807.260986] ? check_preemption_disabled+0x48/0x280 [ 807.266014] handle_mm_fault+0x54f/0xc70 [ 807.270074] ? __handle_mm_fault+0x5be0/0x5be0 [ 807.274938] ? find_vma+0x34/0x190 [ 807.278479] __do_page_fault+0x5e8/0xe60 [ 807.282532] ? trace_hardirqs_off+0xb8/0x310 [ 807.286936] do_page_fault+0xf2/0x7e0 [ 807.290727] ? vmalloc_sync_all+0x30/0x30 [ 807.294868] ? error_entry+0x70/0xd0 [ 807.298591] ? trace_hardirqs_off_caller+0xbb/0x310 [ 807.303596] ? trace_hardirqs_on_caller+0xc0/0x310 [ 807.308513] ? syscall_return_slowpath+0x5e0/0x5e0 [ 807.313426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 807.318253] ? trace_hardirqs_on_caller+0x310/0x310 [ 807.323254] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 807.328711] ? prepare_exit_to_usermode+0x291/0x3b0 [ 807.333718] ? page_fault+0x8/0x30 [ 807.337263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 807.342108] ? page_fault+0x8/0x30 [ 807.345635] page_fault+0x1e/0x30 [ 807.349108] RIP: 0033:0x407e06 [ 807.352298] Code: Bad RIP value. [ 807.355647] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 807.361007] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 807.368349] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 807.375969] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 807.383255] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 807.390513] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 807.397803] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 807.398033] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 807.405077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 807.415272] syz-fuzzer cpuset=/ mems_allowed=0 [ 807.424600] Call Trace: [ 807.431735] dump_stack+0x244/0x39d [ 807.435356] ? dump_stack_print_info.cold.1+0x20/0x20 [ 807.440556] warn_alloc.cold.116+0xb7/0x1bd [ 807.444874] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 807.449718] ? lock_downgrade+0x900/0x900 [ 807.453864] ? trace_hardirqs_off+0xb8/0x310 [ 807.458273] ? trace_hardirqs_off+0xb8/0x310 [ 807.462796] __alloc_pages_slowpath+0x26e8/0x2e10 [ 807.467660] ? warn_alloc+0x120/0x120 [ 807.471457] ? zap_class+0x640/0x640 [ 807.475754] ? warn_alloc+0x120/0x120 [ 807.479553] ? warn_alloc+0x120/0x120 [ 807.483344] ? print_usage_bug+0xc0/0xc0 [ 807.487394] ? find_held_lock+0x36/0x1c0 [ 807.491553] ? print_usage_bug+0xc0/0xc0 [ 807.495625] ? cpuacct_charge+0x265/0x440 [ 807.499771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 807.505296] ? should_fail+0x22d/0xd01 [ 807.509280] ? find_held_lock+0x36/0x1c0 [ 807.513456] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 807.518564] ? __lock_acquire+0x62f/0x4c20 [ 807.522797] ? should_fail+0x22d/0xd01 [ 807.526775] ? mark_held_locks+0x130/0x130 [ 807.531014] ? mark_held_locks+0x130/0x130 [ 807.535246] ? __lock_acquire+0x62f/0x4c20 [ 807.539478] ? zap_class+0x640/0x640 [ 807.543200] ? __lock_is_held+0xb5/0x140 [ 807.547257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 807.552785] ? check_preemption_disabled+0x48/0x280 [ 807.557802] ? __lock_is_held+0xb5/0x140 [ 807.561946] __alloc_pages_nodemask+0xa80/0xde0 [ 807.566612] ? zap_class+0x640/0x640 [ 807.570323] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 807.575854] ? find_held_lock+0x36/0x1c0 [ 807.579916] ? ____cache_alloc_node+0x1c7/0x1e0 [ 807.584580] ? lock_downgrade+0x900/0x900 [ 807.588724] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 807.594254] cache_grow_begin+0xa5/0x8c0 [ 807.598305] ? do_raw_spin_unlock+0xa7/0x330 [ 807.602717] fallback_alloc+0x204/0x2e0 [ 807.606693] ____cache_alloc_node+0x1c7/0x1e0 [ 807.611194] kmem_cache_alloc+0x1f8/0x730 [ 807.615349] skb_clone+0x1bb/0x500 [ 807.618883] ? finish_task_switch+0x2f4/0x910 [ 807.623368] ? skb_split+0x11e0/0x11e0 [ 807.627261] ? preempt_notifier_register+0x200/0x200 [ 807.632352] ? __switch_to_asm+0x34/0x70 [ 807.636403] ? __switch_to_asm+0x34/0x70 [ 807.640453] ? __switch_to_asm+0x40/0x70 [ 807.644507] ? __switch_to_asm+0x34/0x70 [ 807.648554] ? __switch_to_asm+0x40/0x70 [ 807.652600] ? __switch_to_asm+0x34/0x70 [ 807.656672] ? __switch_to_asm+0x40/0x70 [ 807.660722] ? __switch_to_asm+0x34/0x70 [ 807.664774] ? __switch_to_asm+0x34/0x70 [ 807.668828] ? __switch_to_asm+0x40/0x70 [ 807.672875] ? __switch_to_asm+0x34/0x70 [ 807.677225] bpf_clone_redirect+0xb9/0x490 [ 807.681452] ? __schedule+0x8d7/0x21d0 [ 807.685345] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 807.690444] ? __sched_text_start+0x8/0x8 [ 807.694583] ? retint_kernel+0x2d/0x2d [ 807.698474] ? find_held_lock+0x36/0x1c0 [ 807.702558] ? lock_acquire+0x1ed/0x520 [ 807.706540] ? bpf_test_run+0x3cb/0x780 [ 807.710511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 807.716045] ? check_preemption_disabled+0x48/0x280 [ 807.721065] ? kasan_check_read+0x11/0x20 [ 807.725203] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 807.730470] ? rcu_softirq_qs+0x20/0x20 [ 807.734470] ? preempt_schedule+0x4d/0x60 [ 807.738616] ? ___preempt_schedule+0x16/0x18 [ 807.743023] ? bpf_test_run+0x25d/0x780 [ 807.747010] ? netlink_diag_dump+0x2a0/0x2a0 [ 807.751420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 807.756949] ? bpf_test_init.isra.10+0x70/0x100 [ 807.761621] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 807.766384] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 807.771232] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 807.777708] ? fput+0x130/0x1a0 [ 807.780998] ? __bpf_prog_get+0x9b/0x290 [ 807.785052] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 807.789884] ? bpf_prog_test_run+0x130/0x1a0 [ 807.794289] ? __x64_sys_bpf+0x3db/0x520 [ 807.798360] ? bpf_prog_get+0x20/0x20 [ 807.802176] ? do_syscall_64+0x1b9/0x820 [ 807.806242] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 807.811601] ? syscall_return_slowpath+0x5e0/0x5e0 [ 807.816525] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 807.821366] ? trace_hardirqs_on_caller+0x310/0x310 [ 807.826861] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 807.831872] ? prepare_exit_to_usermode+0x291/0x3b0 [ 807.836886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 807.841734] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 807.847121] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 807.847126] warn_alloc_show_mem: 1 callbacks suppressed [ 807.847133] Mem-Info: [ 807.854135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 807.859501] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 807.859501] active_file:32 inactive_file:0 isolated_file:0 [ 807.859501] unevictable:0 dirty:0 writeback:0 unstable:0 [ 807.859501] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 807.859501] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 807.859501] free:13762 free_pcp:227 free_cma:0 [ 807.861860] Call Trace: [ 807.871314] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 807.904538] [ 807.907102] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 807.934937] dump_stack+0x244/0x39d [ 807.937053] lowmem_reserve[]: 0 2818 6321 6321 [ 807.963151] ? dump_stack_print_info.cold.1+0x20/0x20 [ 807.966852] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 807.971434] warn_alloc.cold.116+0xb7/0x1bd [ 807.976851] lowmem_reserve[]: 0 0 3503 3503 [ 808.004361] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 808.008652] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 808.012986] ? lock_downgrade+0x900/0x900 [ 808.017810] lowmem_reserve[]: 0 0 0 0 [ 808.046969] ? trace_hardirqs_off+0xb8/0x310 [ 808.051077] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 808.054869] ? trace_hardirqs_off+0xb8/0x310 [ 808.059245] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 808.072990] __alloc_pages_slowpath+0x26e8/0x2e10 [ 808.077900] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 97*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13964kB [ 808.092651] ? warn_alloc+0x120/0x120 [ 808.097449] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 808.111574] ? warn_alloc+0x120/0x120 [ 808.115365] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 808.124181] ? warn_alloc+0x120/0x120 [ 808.127965] 6658 total pagecache pages [ 808.127980] 0 pages in swap cache [ 808.136537] ? print_usage_bug+0xc0/0xc0 [ 808.140308] Swap cache stats: add 0, delete 0, find 0/0 [ 808.144173] ? print_usage_bug+0xc0/0xc0 [ 808.147597] Free swap = 0kB [ 808.151653] ? lock_downgrade+0x900/0x900 [ 808.157002] Total swap = 0kB [ 808.161065] ? check_preemption_disabled+0x48/0x280 [ 808.164156] 1965979 pages RAM [ 808.168289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 808.171278] 0 pages HighMem/MovableOnly [ 808.176541] ? should_fail+0x22d/0xd01 [ 808.179618] 342853 pages reserved [ 808.185137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 808.189079] 0 pages cma reserved [ 808.192952] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 808.210337] ? __lock_acquire+0x62f/0x4c20 [ 808.214574] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 808.217455] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 808.219676] ? should_fail+0x22d/0xd01 [ 808.230147] syz-executor0 cpuset=syz0 mems_allowed=0 [ 808.234018] ? fib_rules_lookup+0x54c/0xcc0 [ 808.243406] ? mark_held_locks+0x130/0x130 [ 808.247641] ? mark_held_locks+0x130/0x130 [ 808.251864] ? rcu_softirq_qs+0x20/0x20 [ 808.255827] ? zap_class+0x640/0x640 [ 808.259545] ? zap_class+0x640/0x640 [ 808.263258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 808.268785] ? check_preemption_disabled+0x48/0x280 [ 808.273819] ? __lock_is_held+0xb5/0x140 [ 808.278075] __alloc_pages_nodemask+0xa80/0xde0 [ 808.282731] ? zap_class+0x640/0x640 [ 808.286445] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 808.291456] ? find_held_lock+0x36/0x1c0 [ 808.295533] ? ____cache_alloc_node+0x1c7/0x1e0 [ 808.300188] ? lock_downgrade+0x900/0x900 [ 808.304327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 808.309858] cache_grow_begin+0xa5/0x8c0 [ 808.313924] ? do_raw_spin_unlock+0xa7/0x330 [ 808.318344] fallback_alloc+0x204/0x2e0 [ 808.322313] ____cache_alloc_node+0x1c7/0x1e0 [ 808.326808] kmem_cache_alloc_node+0xe3/0x730 [ 808.331322] __alloc_skb+0x119/0x770 [ 808.335148] ? netdev_alloc_frag+0x1f0/0x1f0 [ 808.339556] ? fib_multipath_hash+0x1090/0x1090 [ 808.344248] ? zap_class+0x640/0x640 [ 808.347963] ? get_stack_info+0x37/0x142 [ 808.352117] ? get_stack_info+0x37/0x142 [ 808.356174] alloc_skb_with_frags+0x133/0x7d0 [ 808.360756] ? find_held_lock+0x36/0x1c0 [ 808.364810] ? skb_complete_wifi_ack+0x1e0/0x1e0 [ 808.369550] ? lock_downgrade+0x900/0x900 [ 808.373685] ? check_preemption_disabled+0x48/0x280 [ 808.378894] sock_alloc_send_pskb+0x87a/0xaf0 [ 808.383389] ? rcu_softirq_qs+0x20/0x20 [ 808.387350] ? unwind_dump+0x190/0x190 [ 808.391231] ? sock_wmalloc+0x1f0/0x1f0 [ 808.395285] ? kernel_text_address+0x79/0xf0 [ 808.399685] ? __kernel_text_address+0xd/0x40 [ 808.404184] ? unwind_get_return_address+0x61/0xa0 [ 808.409104] ? __save_stack_trace+0x8d/0xf0 [ 808.413429] ? save_stack+0xa9/0xd0 [ 808.417042] ? save_stack+0x43/0xd0 [ 808.420655] ? kasan_kmalloc+0xc7/0xe0 [ 808.424543] ? kmem_cache_alloc_trace+0x152/0x750 [ 808.429377] ? ip_setup_cork+0x6b9/0x8a0 [ 808.433424] ? ip_append_data.part.49+0x13c/0x170 [ 808.438256] ? ip_append_data+0x6d/0x90 [ 808.442227] sock_alloc_send_skb+0x32/0x40 [ 808.446464] __ip_append_data.isra.48+0x15b8/0x29b0 [ 808.451470] ? out_of_memory+0xa84/0x1430 [ 808.455627] ? icmp_push_reply+0x540/0x540 [ 808.459846] ? __do_fault+0x100/0x6b0 [ 808.463637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 808.469171] ? ip_generic_getfrag+0x2e0/0x2e0 [ 808.473654] ? __lock_is_held+0xb5/0x140 [ 808.477961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 808.483515] ? ipv4_mtu+0x39f/0x590 [ 808.487137] ? rt_acct_proc_show+0x370/0x370 [ 808.491536] ? ip_setup_cork+0x6b9/0x8a0 [ 808.495591] ? rcu_read_lock_sched_held+0x14f/0x180 [ 808.500595] ? kmem_cache_alloc_trace+0x353/0x750 [ 808.505445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 808.510981] ip_append_data.part.49+0xef/0x170 [ 808.515564] ? icmp_push_reply+0x540/0x540 [ 808.519805] ip_append_data+0x6d/0x90 [ 808.523612] ? icmp_push_reply+0x540/0x540 [ 808.527854] icmp_push_reply+0x18e/0x540 [ 808.531917] icmp_send+0x1544/0x1bd0 [ 808.535652] ? icmp_route_lookup.constprop.23+0x1900/0x1900 [ 808.541547] ? zap_class+0x640/0x640 [ 808.545266] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 808.550643] ? lock_downgrade+0x900/0x900 [ 808.554796] ? lock_acquire+0x1ed/0x520 [ 808.558762] ? neigh_timer_handler+0xa0/0xdf0 [ 808.563254] ? do_raw_spin_unlock+0xa7/0x330 [ 808.567654] ? ipv4_neigh_lookup+0x9a0/0x9a0 [ 808.572055] ipv4_link_failure+0x2c/0x220 [ 808.576487] ? ipv4_link_failure+0x2c/0x220 [ 808.580813] ? ipv4_neigh_lookup+0x9a0/0x9a0 [ 808.585231] arp_error_report+0xd1/0x1c0 [ 808.589379] neigh_invalidate+0x246/0x550 [ 808.593527] neigh_timer_handler+0xb07/0xdf0 [ 808.597940] ? neigh_periodic_work+0xc60/0xc60 [ 808.602545] ? __lock_is_held+0xb5/0x140 [ 808.606610] call_timer_fn+0x272/0x920 [ 808.610487] ? neigh_periodic_work+0xc60/0xc60 [ 808.615057] ? process_timeout+0x40/0x40 [ 808.619121] ? mark_held_locks+0xc7/0x130 [ 808.623265] ? _raw_spin_unlock_irq+0x27/0x80 [ 808.627745] ? _raw_spin_unlock_irq+0x27/0x80 [ 808.632229] ? neigh_periodic_work+0xc60/0xc60 [ 808.636810] ? lockdep_hardirqs_on+0x296/0x5b0 [ 808.641406] ? trace_hardirqs_on+0xbd/0x310 [ 808.645717] ? kasan_check_read+0x11/0x20 [ 808.649850] ? __run_timers+0x7da/0xc70 [ 808.653832] ? trace_hardirqs_off_caller+0x310/0x310 [ 808.659278] ? neigh_periodic_work+0xc60/0xc60 [ 808.663850] __run_timers+0x7e5/0xc70 [ 808.667649] ? timer_fixup_init+0x70/0x70 [ 808.671786] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 808.677252] ? zap_class+0x640/0x640 [ 808.680966] ? print_usage_bug+0xc0/0xc0 [ 808.685017] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 808.690203] ? find_held_lock+0x36/0x1c0 [ 808.694261] ? zap_class+0x640/0x640 [ 808.697994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 808.703531] ? check_preemption_disabled+0x48/0x280 [ 808.708546] ? __lock_is_held+0xb5/0x140 [ 808.712598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 808.718120] ? check_preemption_disabled+0x48/0x280 [ 808.723147] run_timer_softirq+0x52/0xb0 [ 808.727198] ? rcu_read_lock_sched_held+0x14f/0x180 [ 808.732223] __do_softirq+0x308/0xb7e [ 808.736022] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 808.740509] ? lock_downgrade+0x900/0x900 [ 808.744667] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 808.749780] ? pvclock_read_flags+0x160/0x160 [ 808.754352] ? lapic_next_event+0x5a/0x90 [ 808.758494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 808.764021] ? kvm_clock_read+0x18/0x30 [ 808.767983] ? kvm_sched_clock_read+0x9/0x20 [ 808.772384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 808.778139] ? check_preemption_disabled+0x48/0x280 [ 808.783154] irq_exit+0x17f/0x1c0 [ 808.786603] smp_apic_timer_interrupt+0x1cb/0x760 [ 808.792152] ? smp_reschedule_interrupt+0x109/0x650 [ 808.797161] ? smp_call_function_single_interrupt+0x650/0x650 [ 808.803038] ? interrupt_entry+0xb5/0xc0 [ 808.807117] ? trace_hardirqs_off_caller+0xbb/0x310 [ 808.812141] ? trace_hardirqs_off_caller+0xbb/0x310 [ 808.817243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 808.822098] ? trace_hardirqs_on_caller+0x310/0x310 [ 808.827108] ? trace_hardirqs_on_caller+0x310/0x310 [ 808.832120] ? task_prio+0x50/0x50 [ 808.835654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 808.841187] ? check_preemption_disabled+0x48/0x280 [ 808.846201] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 808.851059] apic_timer_interrupt+0xf/0x20 [ 808.855283] [ 808.857524] RIP: 0010:console_unlock+0x102f/0x1190 [ 808.862466] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 ef 8d 5d 00 e9 f2 fb ff [ 808.881718] RSP: 0018:ffff8801c2b85e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 808.889414] RAX: ffff8801c2e020c0 RBX: 0000000000000200 RCX: 1ffff100385c053b [ 808.896673] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 808.903950] RBP: ffff8801c2b85fb0 R08: ffff8801c2e029d8 R09: 0000000000000006 [ 808.911210] R10: 0000000000000000 R11: ffff8801c2e020c0 R12: dffffc0000000000 [ 808.918469] R13: ffffffff849cd610 R14: dffffc0000000000 R15: ffffffff89b63c90 [ 808.925739] ? netconsole_netdev_event+0x280/0x280 [ 808.930671] ? console_unlock+0x1026/0x1190 [ 808.935004] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 808.939670] ? vprintk_emit+0x846/0x990 [ 808.943632] ? lock_release+0xa00/0xa00 [ 808.947607] ? trace_hardirqs_on+0x70/0x310 [ 808.951913] ? vprintk_default+0x28/0x30 [ 808.955971] ? trace_hardirqs_off_caller+0x310/0x310 [ 808.961078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 808.966603] vprintk_emit+0x391/0x990 [ 808.970408] ? wake_up_klogd+0x180/0x180 [ 808.974472] ? find_held_lock+0x11/0x1c0 [ 808.978801] ? mark_held_locks+0xc7/0x130 [ 808.982956] ? _raw_spin_unlock_irq+0x27/0x80 [ 808.987543] ? _raw_spin_unlock_irq+0x27/0x80 [ 808.992036] vprintk_default+0x28/0x30 [ 808.995928] vprintk_func+0x7e/0x181 [ 808.999643] printk+0xa7/0xcf [ 809.002750] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 809.007500] ? _raw_spin_unlock_irq+0x60/0x80 [ 809.011997] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 809.017271] dump_header+0x7cc/0xf72 [ 809.020989] ? pagefault_out_of_memory+0x197/0x197 [ 809.025927] ? __lock_acquire+0x62f/0x4c20 [ 809.030190] ? print_usage_bug+0xc0/0xc0 [ 809.034249] ? zap_class+0x640/0x640 [ 809.037960] ? zap_class+0x640/0x640 [ 809.041672] ? print_usage_bug+0xc0/0xc0 [ 809.045729] ? print_usage_bug+0xc0/0xc0 [ 809.049801] ? find_held_lock+0x36/0x1c0 [ 809.053865] ? mark_held_locks+0xc7/0x130 [ 809.058020] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 809.063119] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 809.068215] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 809.072881] ? trace_hardirqs_on+0xbd/0x310 [ 809.077492] ? kasan_check_read+0x11/0x20 [ 809.081632] ? ___ratelimit+0x3b4/0x672 [ 809.085602] ? trace_hardirqs_off_caller+0x310/0x310 [ 809.090695] ? trace_hardirqs_on+0x310/0x310 [ 809.095095] ? lock_downgrade+0x900/0x900 [ 809.099256] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 809.104348] ? ___ratelimit+0x3b9/0x672 [ 809.108316] ? idr_get_free+0xf70/0xf70 [ 809.112285] ? kasan_check_read+0x11/0x20 [ 809.116425] ? do_raw_spin_unlock+0xa7/0x330 [ 809.120833] oom_kill_process.cold.27+0x10/0x903 [ 809.125575] ? zap_class+0x640/0x640 [ 809.129275] ? _raw_spin_unlock+0x2c/0x50 [ 809.133407] ? oom_badness+0xe6/0xaa0 [ 809.137199] ? oom_evaluate_task+0x540/0x540 [ 809.141601] ? find_held_lock+0x36/0x1c0 [ 809.145687] ? out_of_memory+0x974/0x1430 [ 809.149831] ? lock_downgrade+0x900/0x900 [ 809.153975] ? check_preemption_disabled+0x48/0x280 [ 809.159117] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 809.164040] ? kasan_check_read+0x11/0x20 [ 809.168180] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 809.173451] ? rcu_softirq_qs+0x20/0x20 [ 809.177812] ? kasan_check_write+0x14/0x20 [ 809.182037] ? oom_evaluate_task+0x302/0x540 [ 809.186438] out_of_memory+0xa84/0x1430 [ 809.190411] ? oom_killer_disable+0x3a0/0x3a0 [ 809.194897] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 809.199821] ? __ww_mutex_check_waiters+0x160/0x160 [ 809.204835] __alloc_pages_slowpath+0x2354/0x2e10 [ 809.209686] ? warn_alloc+0x120/0x120 [ 809.213471] ? mark_held_locks+0x130/0x130 [ 809.217708] ? find_get_entry+0xaae/0x1120 [ 809.221949] ? filemap_map_pages+0x1a20/0x1a20 [ 809.226525] ? zap_class+0x640/0x640 [ 809.230229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 809.235757] ? check_preemption_disabled+0x48/0x280 [ 809.240764] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 809.246296] ? should_fail+0x22d/0xd01 [ 809.250176] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 809.255266] ? zap_class+0x640/0x640 [ 809.258987] ? __lock_is_held+0xb5/0x140 [ 809.263047] ? mark_held_locks+0x130/0x130 [ 809.267289] ? lock_release+0xa00/0xa00 [ 809.271253] ? perf_trace_sched_process_exec+0x860/0x860 [ 809.276699] ? xa_load+0x2ba/0x460 [ 809.280252] ? lock_downgrade+0x900/0x900 [ 809.284398] ? __might_sleep+0x95/0x190 [ 809.288364] __alloc_pages_nodemask+0xa80/0xde0 [ 809.293273] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 809.298279] ? __page_cache_alloc+0x191/0x5c0 [ 809.302764] ? xa_load+0x2e1/0x460 [ 809.306305] ? xa_clear_mark+0x40/0x40 [ 809.310216] ? zap_class+0x640/0x640 [ 809.313934] ? zap_class+0x640/0x640 [ 809.317639] ? zap_class+0x640/0x640 [ 809.321361] ? __do_page_cache_readahead+0x663/0x810 [ 809.326457] ? find_held_lock+0x36/0x1c0 [ 809.330513] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 809.336045] alloc_pages_current+0x173/0x350 [ 809.340444] __page_cache_alloc+0x38c/0x5c0 [ 809.344752] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 809.349683] ? kasan_check_read+0x11/0x20 [ 809.353819] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 809.359082] ? generic_perform_write+0x6a0/0x6a0 [ 809.363824] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 809.369347] ? check_preemption_disabled+0x48/0x280 [ 809.374387] filemap_fault+0x1595/0x25f0 [ 809.378546] ? __lock_page_or_retry+0xa00/0xa00 [ 809.383202] ? mark_held_locks+0x130/0x130 [ 809.387440] ? filemap_map_pages+0xd6b/0x1a20 [ 809.391951] ? lock_downgrade+0x900/0x900 [ 809.396388] ? check_preemption_disabled+0x48/0x280 [ 809.401404] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 809.406318] ? kasan_check_read+0x11/0x20 [ 809.410454] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 809.415716] ? rcu_softirq_qs+0x20/0x20 [ 809.419707] ? filemap_map_pages+0xd92/0x1a20 [ 809.424206] ? find_get_entries_tag+0x1400/0x1400 [ 809.429044] ? futex_wake+0x760/0x760 [ 809.432858] ? lock_acquire+0x1ed/0x520 [ 809.436834] ? ext4_filemap_fault+0x7a/0xad [ 809.441149] ? lock_release+0xa00/0xa00 [ 809.445122] ? perf_trace_sched_process_exec+0x860/0x860 [ 809.450571] ? print_usage_bug+0xc0/0xc0 [ 809.454635] ? print_usage_bug+0xc0/0xc0 [ 809.458698] ? down_read+0x8d/0x120 [ 809.462308] ? ext4_filemap_fault+0x7a/0xad [ 809.466615] ? __down_interruptible+0x700/0x700 [ 809.471275] ext4_filemap_fault+0x82/0xad [ 809.475412] __do_fault+0x100/0x6b0 [ 809.479028] ? pmd_devmap_trans_unstable+0x220/0x220 [ 809.484120] ? mark_held_locks+0x130/0x130 [ 809.488356] ? mark_held_locks+0x130/0x130 [ 809.492762] ? __might_fault+0x12b/0x1e0 [ 809.496813] ? lock_downgrade+0x900/0x900 [ 809.500965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 809.506495] __handle_mm_fault+0x3ea0/0x5be0 [ 809.510904] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 809.515754] ? kasan_check_read+0x11/0x20 [ 809.519890] ? _copy_to_user+0xc8/0x110 [ 809.523872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 809.529407] ? zap_class+0x640/0x640 [ 809.533107] ? zap_class+0x640/0x640 [ 809.536830] ? find_held_lock+0x36/0x1c0 [ 809.540889] ? handle_mm_fault+0x42a/0xc70 [ 809.545139] ? lock_downgrade+0x900/0x900 [ 809.549279] ? check_preemption_disabled+0x48/0x280 [ 809.554288] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 809.559210] ? kasan_check_read+0x11/0x20 [ 809.563355] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 809.568614] ? rcu_softirq_qs+0x20/0x20 [ 809.572575] ? trace_hardirqs_off_caller+0x310/0x310 [ 809.577780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 809.583306] ? check_preemption_disabled+0x48/0x280 [ 809.588320] handle_mm_fault+0x54f/0xc70 [ 809.592574] ? __handle_mm_fault+0x5be0/0x5be0 [ 809.597149] ? find_vma+0x34/0x190 [ 809.600684] __do_page_fault+0x5e8/0xe60 [ 809.604736] ? trace_hardirqs_off+0xb8/0x310 [ 809.609148] do_page_fault+0xf2/0x7e0 [ 809.612960] ? vmalloc_sync_all+0x30/0x30 [ 809.617098] ? error_entry+0x70/0xd0 [ 809.620802] ? trace_hardirqs_off_caller+0xbb/0x310 [ 809.625809] ? trace_hardirqs_on_caller+0xc0/0x310 [ 809.630738] ? syscall_return_slowpath+0x5e0/0x5e0 [ 809.635664] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 809.640499] ? trace_hardirqs_on_caller+0x310/0x310 [ 809.645506] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 809.650957] ? prepare_exit_to_usermode+0x291/0x3b0 [ 809.655964] ? page_fault+0x8/0x30 [ 809.659949] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 809.664784] ? page_fault+0x8/0x30 [ 809.668330] page_fault+0x1e/0x30 [ 809.671770] RIP: 0033:0x407e06 [ 809.674967] Code: Bad RIP value. [ 809.678324] RSP: 002b:000000c42d3b7a20 EFLAGS: 00010202 [ 809.683677] RAX: 000000000080ba80 RBX: 000000c42d3b7f80 RCX: 000000c420000180 [ 809.691064] RDX: 000000000080ba80 RSI: 000000c42d3b7a58 RDI: 000000c42d3b7a58 [ 809.698723] RBP: 000000c42d3b7a70 R08: 000000c420018070 R09: 000000c420018268 [ 809.705994] R10: 0000000000000000 R11: 0000000000000267 R12: 000000c42d3b7b78 [ 809.713254] R13: 000000c42d3b7b78 R14: 0000000000000000 R15: 0000000000000000 [ 809.720537] CPU: 1 PID: 4054 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #148 [ 809.720663] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 809.727824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 809.738021] syz-fuzzer cpuset=/ mems_allowed=0 [ 809.747352] Call Trace: [ 809.754505] dump_stack+0x244/0x39d [ 809.758134] ? dump_stack_print_info.cold.1+0x20/0x20 [ 809.763333] warn_alloc.cold.116+0xb7/0x1bd [ 809.767655] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 809.772502] ? lock_downgrade+0x900/0x900 [ 809.776659] ? trace_hardirqs_off+0xb8/0x310 [ 809.781069] ? trace_hardirqs_off+0xb8/0x310 [ 809.785478] __alloc_pages_slowpath+0x26e8/0x2e10 [ 809.790344] ? warn_alloc+0x120/0x120 [ 809.794665] ? zap_class+0x640/0x640 [ 809.798374] ? warn_alloc+0x120/0x120 [ 809.802173] ? warn_alloc+0x120/0x120 [ 809.805988] ? print_usage_bug+0xc0/0xc0 [ 809.810042] ? find_held_lock+0x36/0x1c0 [ 809.814100] ? print_usage_bug+0xc0/0xc0 [ 809.818161] ? cpuacct_charge+0x265/0x440 [ 809.822307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 809.828357] ? should_fail+0x22d/0xd01 [ 809.832238] ? find_held_lock+0x36/0x1c0 [ 809.836298] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 809.841397] ? __lock_acquire+0x62f/0x4c20 [ 809.845637] ? should_fail+0x22d/0xd01 [ 809.849631] ? mark_held_locks+0x130/0x130 [ 809.853868] ? mark_held_locks+0x130/0x130 [ 809.858108] ? __lock_acquire+0x62f/0x4c20 [ 809.862344] ? zap_class+0x640/0x640 [ 809.866054] ? __lock_is_held+0xb5/0x140 [ 809.870133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 809.875670] ? check_preemption_disabled+0x48/0x280 [ 809.880687] ? __lock_is_held+0xb5/0x140 [ 809.884765] __alloc_pages_nodemask+0xa80/0xde0 [ 809.889430] ? zap_class+0x640/0x640 [ 809.893421] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 809.898457] ? find_held_lock+0x36/0x1c0 [ 809.902522] ? ____cache_alloc_node+0x1c7/0x1e0 [ 809.907177] ? lock_downgrade+0x900/0x900 [ 809.911324] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 809.916877] cache_grow_begin+0xa5/0x8c0 [ 809.920938] ? do_raw_spin_unlock+0xa7/0x330 [ 809.925349] fallback_alloc+0x204/0x2e0 [ 809.929321] ____cache_alloc_node+0x1c7/0x1e0 [ 809.933818] kmem_cache_alloc+0x1f8/0x730 [ 809.937972] skb_clone+0x1bb/0x500 [ 809.941504] ? finish_task_switch+0x1b4/0x910 [ 809.946030] ? skb_split+0x11e0/0x11e0 [ 809.949928] ? preempt_notifier_register+0x200/0x200 [ 809.955023] ? __switch_to_asm+0x34/0x70 [ 809.959076] ? __switch_to_asm+0x34/0x70 [ 809.963126] ? __switch_to_asm+0x40/0x70 [ 809.967193] ? __switch_to_asm+0x34/0x70 [ 809.971245] ? __switch_to_asm+0x40/0x70 [ 809.975380] ? __switch_to_asm+0x34/0x70 [ 809.979524] ? __switch_to_asm+0x40/0x70 [ 809.983576] ? __switch_to_asm+0x34/0x70 [ 809.987628] ? __switch_to_asm+0x34/0x70 [ 809.991690] ? __switch_to_asm+0x40/0x70 [ 809.996004] ? __switch_to_asm+0x34/0x70 [ 810.000065] bpf_clone_redirect+0xb9/0x490 [ 810.004294] ? __schedule+0x8d7/0x21d0 [ 810.008183] bpf_prog_75d449b3cd5cf576+0x160/0x1000 [ 810.013193] ? __sched_text_start+0x8/0x8 [ 810.017330] ? retint_kernel+0x2d/0x2d [ 810.021233] ? find_held_lock+0x36/0x1c0 [ 810.025291] ? lock_acquire+0x1ed/0x520 [ 810.029254] ? bpf_test_run+0x3cb/0x780 [ 810.033236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 810.038773] ? check_preemption_disabled+0x48/0x280 [ 810.043792] ? kasan_check_read+0x11/0x20 [ 810.047936] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 810.053207] ? rcu_softirq_qs+0x20/0x20 [ 810.057176] ? preempt_schedule+0x4d/0x60 [ 810.061334] ? ___preempt_schedule+0x16/0x18 [ 810.065741] ? bpf_test_run+0x25d/0x780 [ 810.069718] ? netlink_diag_dump+0x2a0/0x2a0 [ 810.074123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 810.079656] ? bpf_test_init.isra.10+0x70/0x100 [ 810.084329] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 810.089093] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 810.094671] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 810.100205] ? fput+0x130/0x1a0 [ 810.103478] ? __bpf_prog_get+0x9b/0x290 [ 810.107546] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 810.112382] ? bpf_prog_test_run+0x130/0x1a0 [ 810.116791] ? __x64_sys_bpf+0x3db/0x520 [ 810.120866] ? bpf_prog_get+0x20/0x20 [ 810.124688] ? do_syscall_64+0x1b9/0x820 [ 810.128741] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 810.134101] ? syscall_return_slowpath+0x5e0/0x5e0 [ 810.139043] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 810.143978] ? trace_hardirqs_on_caller+0x310/0x310 [ 810.148994] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 810.154004] ? prepare_exit_to_usermode+0x291/0x3b0 [ 810.159021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 810.163883] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 810.169269] warn_alloc_show_mem: 1 callbacks suppressed [ 810.169278] CPU: 0 PID: 5992 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #148 [ 810.169280] Mem-Info: [ 810.169311] active_anon:54818 inactive_anon:6592 isolated_anon:0 [ 810.169311] active_file:32 inactive_file:0 isolated_file:0 [ 810.169311] unevictable:0 dirty:0 writeback:0 unstable:0 [ 810.169311] slab_reclaimable:9637 slab_unreclaimable:1443456 [ 810.169311] mapped:49154 shmem:6632 pagetables:642 bounce:0 [ 810.169311] free:13762 free_pcp:227 free_cma:0 [ 810.174649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 810.181748] Node 0 active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:26528kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 810.184135] Call Trace: [ 810.217515] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 810.226859] [ 810.254687] lowmem_reserve[]: 0 2818 6321 6321 [ 810.257268] dump_stack+0x244/0x39d [ 810.283346] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:476kB local_pcp:248kB free_cma:0kB [ 810.285492] ? dump_stack_print_info.cold.1+0x20/0x20 [ 810.290038] lowmem_reserve[]: 0 0 3503 3503 [ 810.293881] warn_alloc.cold.116+0xb7/0x1bd [ 810.321339] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:219272kB inactive_anon:26368kB active_file:128kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2568kB bounce:0kB free_pcp:432kB local_pcp:184kB free_cma:0kB [ 810.326529] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 810.330815] lowmem_reserve[]: 0 0 0 0 [ 810.335144] ? lock_downgrade+0x900/0x900 [ 810.364191] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 810.369029] ? trace_hardirqs_off+0xb8/0x310 [ 810.372795] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 810.376936] ? trace_hardirqs_off+0xb8/0x310 [ 810.390428] Node 0 Normal: 845*4kB (MEH) 393*8kB (MEH) 159*16kB (ME) 97*32kB (UME) 28*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13964kB [ 810.395107] __alloc_pages_slowpath+0x26e8/0x2e10 [ 810.409928] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 810.414437] ? warn_alloc+0x120/0x120 [ 810.428523] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 810.433348] ? warn_alloc+0x120/0x120 [ 810.442154] 6658 total pagecache pages [ 810.445946] ? check_preemption_disabled+0x48/0x280 [ 810.454499] 0 pages in swap cache [ 810.458285] ? warn_alloc+0x120/0x120 [ 810.462145] Swap cache stats: add 0, delete 0, find 0/0 [ 810.467140] ? print_usage_bug+0xc0/0xc0 [ 810.470562] Free swap = 0kB [ 810.474346] ? print_usage_bug+0xc0/0xc0 [ 810.479681] Total swap = 0kB [ 810.483725] ? zap_class+0x640/0x640 [ 810.486713] 1965979 pages RAM [ 810.490763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 810.494251] 0 pages HighMem/MovableOnly [ 810.497953] ? should_fail+0x22d/0xd01 [ 810.501032] 342853 pages reserved [ 810.506553] ? get_stack_info+0x37/0x142 [ 810.510499] 0 pages cma reserved [ 810.514375] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 810.530315] ? __lock_acquire+0x62f/0x4c20 [ 810.534564] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 810.539673] ? __lock_acquire+0x62f/0x4c20 [ 810.540042] kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 810.543911] ? should_fail+0x22d/0xd01 [ 810.543933] ? mark_held_locks+0x130/0x130 [ 810.554232] kworker/1:0 cpuset=/ mems_allowed=0 [ 810.558105] ? mark_held_locks+0x130/0x130 [ 810.571183] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 810.576454] ? rcu_softirq_qs+0x20/0x20 [ 810.580425] ? rcu_softirq_qs+0x20/0x20 [ 810.584389] ? unwind_dump+0x190/0x190 [ 810.588273] ? zap_class+0x640/0x640 [ 810.591971] ? print_usage_bug+0xc0/0xc0 [ 810.596255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 810.601786] ? check_preemption_disabled+0x48/0x280 [ 810.606805] ? __lock_is_held+0xb5/0x140 [ 810.610881] __alloc_pages_nodemask+0xa80/0xde0 [ 810.615539] ? zap_class+0x640/0x640 [ 810.619248] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 810.624279] ? find_held_lock+0x36/0x1c0 [ 810.628342] ? ____cache_alloc_node+0x1c7/0x1e0 [ 810.633001] ? lock_downgrade+0x900/0x900 [ 810.637147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 810.642675] cache_grow_begin+0xa5/0x8c0 [ 810.646724] ? do_raw_spin_unlock+0xa7/0x330 [ 810.651127] fallback_alloc+0x204/0x2e0 [ 810.655099] ____cache_alloc_node+0x1c7/0x1e0 [ 810.660111] kmem_cache_alloc_node+0xe3/0x730 [ 810.664800] ? pskb_put+0xb0/0xb0 [ 810.668260] __alloc_skb+0x119/0x770 [ 810.671968] ? netdev_alloc_frag+0x1f0/0x1f0 [ 810.676370] ? atomic_notifier_call_chain+0xc6/0x190 [ 810.681470] ? lock_downgrade+0x900/0x900 [ 810.685608] ? check_preemption_disabled+0x48/0x280 [ 810.690639] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 810.695801] ? kasan_check_read+0x11/0x20 [ 810.699954] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 810.705220] ? rcu_softirq_qs+0x20/0x20 [ 810.709186] ? ipv4_neigh_lookup+0x9a0/0x9a0 [ 810.713589] ? do_raw_write_trylock+0x270/0x270 [ 810.718262] __neigh_notify+0x8c/0x160 [ 810.722143] neigh_timer_handler+0x6cb/0xdf0 [ 810.726541] ? neigh_periodic_work+0xc60/0xc60 [ 810.731108] ? __lock_is_held+0xb5/0x140 [ 810.735185] call_timer_fn+0x272/0x920 [ 810.739079] ? neigh_periodic_work+0xc60/0xc60 [ 810.743649] ? process_timeout+0x40/0x40 [ 810.747704] ? mark_held_locks+0xc7/0x130 [ 810.751852] ? _raw_spin_unlock_irq+0x27/0x80 [ 810.756354] ? _raw_spin_unlock_irq+0x27/0x80 [ 810.760845] ? neigh_periodic_work+0xc60/0xc60 [ 810.765432] ? lockdep_hardirqs_on+0x296/0x5b0 [ 810.770018] ? trace_hardirqs_on+0xbd/0x310 [ 810.774333] ? kasan_check_read+0x11/0x20 [ 810.778477] ? __run_timers+0x7da/0xc70 [ 810.782441] ? trace_hardirqs_off_caller+0x310/0x310 [ 810.787536] ? neigh_periodic_work+0xc60/0xc60 [ 810.792896] __run_timers+0x7e5/0xc70 [ 810.796935] ? timer_fixup_init+0x70/0x70 [ 810.801082] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 810.806089] ? zap_class+0x640/0x640 [ 810.809797] ? print_usage_bug+0xc0/0xc0 [ 810.813859] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 810.819059] ? find_held_lock+0x36/0x1c0 [ 810.823113] ? zap_class+0x640/0x640 [ 810.826873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 810.832407] ? check_preemption_disabled+0x48/0x280