printk_emit+0x391/0x990 [ 257.027156] ? wake_up_klogd+0x180/0x180 [ 257.031236] ? match_held_lock+0x811/0x8d0 [ 257.035482] ? mark_held_locks+0xc7/0x130 [ 257.039636] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.044130] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.048630] vprintk_default+0x28/0x30 [ 257.052517] vprintk_func+0x7e/0x181 [ 257.056232] printk+0xa7/0xcf [ 257.059342] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 257.064099] ? _raw_spin_unlock_irq+0x60/0x80 [ 257.068609] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 257.073903] dump_header+0x7cc/0xf72 [ 257.077638] ? pagefault_out_of_memory+0x197/0x197 [ 257.082581] ? __lock_acquire+0x62f/0x4c20 [ 257.086817] ? percpu_ref_get_many+0x240/0x240 [ 257.091408] ? print_usage_bug+0xc0/0xc0 [ 257.095477] ? zap_class+0x640/0x640 [ 257.099197] ? print_usage_bug+0xc0/0xc0 [ 257.103266] ? zap_class+0x640/0x640 [ 257.106989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.112536] ? find_held_lock+0x36/0x1c0 [ 257.116621] ? mark_held_locks+0xc7/0x130 [ 257.120772] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 257.125892] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 257.131001] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 257.135586] ? trace_hardirqs_on+0xbd/0x310 [ 257.139916] ? kasan_check_read+0x11/0x20 [ 257.144066] ? ___ratelimit+0x3b4/0x672 [ 257.148042] ? trace_hardirqs_off_caller+0x310/0x310 [ 257.153147] ? trace_hardirqs_on+0x310/0x310 [ 257.157569] ? lock_downgrade+0x900/0x900 [ 257.161729] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 257.166838] ? ___ratelimit+0x3b9/0x672 [ 257.170820] ? idr_get_free+0xf70/0xf70 [ 257.174795] ? find_held_lock+0x36/0x1c0 [ 257.178868] oom_kill_process.cold.27+0x10/0x903 [ 257.183641] ? zap_class+0x640/0x640 [ 257.187357] ? check_preemption_disabled+0x48/0x280 [ 257.192381] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 257.197326] ? kasan_check_read+0x11/0x20 [ 257.201476] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.206765] ? oom_evaluate_task+0x540/0x540 [ 257.211177] ? find_held_lock+0x36/0x1c0 [ 257.215246] ? out_of_memory+0x974/0x1430 [ 257.219395] ? lock_downgrade+0x900/0x900 [ 257.223545] ? check_preemption_disabled+0x48/0x280 [ 257.228580] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 257.233509] ? kasan_check_read+0x11/0x20 [ 257.237659] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.242939] ? rcu_softirq_qs+0x20/0x20 [ 257.246926] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 257.252464] ? oom_evaluate_task+0x302/0x540 [ 257.256891] out_of_memory+0xa84/0x1430 [ 257.260883] ? oom_killer_disable+0x3a0/0x3a0 [ 257.265385] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 257.270319] ? __ww_mutex_check_waiters+0x160/0x160 [ 257.275351] __alloc_pages_slowpath+0x232c/0x2de0 [ 257.280221] ? warn_alloc+0x120/0x120 [ 257.284024] ? mark_held_locks+0x130/0x130 [ 257.288267] ? find_get_entry+0xaae/0x1120 [ 257.292510] ? filemap_map_pages+0x1a20/0x1a20 [ 257.297096] ? zap_class+0x640/0x640 [ 257.300839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.306380] ? check_preemption_disabled+0x48/0x280 [ 257.311395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.316934] ? should_fail+0x22d/0xd01 [ 257.320828] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.325945] ? zap_class+0x640/0x640 [ 257.329689] ? __lock_is_held+0xb5/0x140 [ 257.333758] ? mark_held_locks+0x130/0x130 [ 257.337999] ? lock_release+0xa00/0xa00 [ 257.341974] ? perf_trace_sched_process_exec+0x860/0x860 [ 257.347425] ? xa_load+0x2ba/0x460 [ 257.350971] ? lock_downgrade+0x900/0x900 [ 257.355124] ? __might_sleep+0x95/0x190 [ 257.359107] __alloc_pages_nodemask+0xad8/0xea0 [ 257.363783] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 257.368800] ? __page_cache_alloc+0x191/0x5c0 [ 257.373290] ? xa_load+0x2e1/0x460 [ 257.376830] ? xa_clear_mark+0x40/0x40 [ 257.380735] ? zap_class+0x640/0x640 [ 257.384450] ? zap_class+0x640/0x640 [ 257.388207] ? zap_class+0x640/0x640 [ 257.391924] ? zap_class+0x640/0x640 [ 257.395641] ? __do_page_cache_readahead+0x663/0x810 [ 257.400757] ? find_held_lock+0x36/0x1c0 [ 257.404822] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 257.410367] alloc_pages_current+0x173/0x350 [ 257.414783] __page_cache_alloc+0x38c/0x5c0 [ 257.419109] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 257.424043] ? kasan_check_read+0x11/0x20 [ 257.428192] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.433472] ? generic_perform_write+0x6a0/0x6a0 [ 257.438232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.443780] ? check_preemption_disabled+0x48/0x280 [ 257.448817] filemap_fault+0x1595/0x25f0 [ 257.452931] ? __lock_page_or_retry+0xa00/0xa00 [ 257.457609] ? mark_held_locks+0x130/0x130 [ 257.461855] ? filemap_map_pages+0xd6b/0x1a20 [ 257.466382] ? lock_downgrade+0x900/0x900 [ 257.470539] ? check_preemption_disabled+0x48/0x280 [ 257.475564] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 257.480507] ? kasan_check_read+0x11/0x20 [ 257.484651] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.489933] ? rcu_softirq_qs+0x20/0x20 [ 257.493933] ? filemap_map_pages+0xd92/0x1a20 [ 257.498452] ? queue_work_on+0x12c/0x1e0 [ 257.502519] ? find_get_entries_tag+0x1400/0x1400 [ 257.507364] ? debug_object_destroy+0x2b0/0x2b0 [ 257.512037] ? lock_pi_update_atomic+0x150/0x150 [ 257.516791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.522339] ? lock_acquire+0x1ed/0x520 [ 257.526318] ? ext4_filemap_fault+0x7a/0xad [ 257.530649] ? lock_release+0xa00/0xa00 [ 257.534622] ? perf_trace_sched_process_exec+0x860/0x860 [ 257.540073] ? print_usage_bug+0xc0/0xc0 [ 257.544134] ? print_usage_bug+0xc0/0xc0 [ 257.548204] ? down_read+0x8d/0x120 [ 257.551828] ? ext4_filemap_fault+0x7a/0xad [ 257.556148] ? __down_interruptible+0x700/0x700 [ 257.560830] ext4_filemap_fault+0x82/0xad [ 257.564983] __do_fault+0x100/0x6b0 [ 257.568611] ? perf_tp_event+0xc20/0xc20 [ 257.572674] ? pmd_devmap_trans_unstable+0x220/0x220 [ 257.577780] ? mark_held_locks+0x130/0x130 [ 257.582021] ? mark_held_locks+0x130/0x130 [ 257.586258] ? debug_smp_processor_id+0x1c/0x20 [ 257.590929] ? perf_trace_lock+0x14d/0x7a0 [ 257.595171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.600746] __handle_mm_fault+0x3ea0/0x5be0 [ 257.605656] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 257.610503] ? lock_is_held_type+0x210/0x210 [ 257.614926] ? __switch_to_asm+0x34/0x70 [ 257.618986] ? __switch_to_asm+0x34/0x70 [ 257.623351] ? zap_class+0x640/0x640 [ 257.627096] ? zap_class+0x640/0x640 [ 257.630812] ? __x64_sys_futex+0x53e/0x6a0 [ 257.635053] ? find_held_lock+0x36/0x1c0 [ 257.639124] ? handle_mm_fault+0x42a/0xc70 [ 257.643371] ? lock_downgrade+0x900/0x900 [ 257.647520] ? check_preemption_disabled+0x48/0x280 [ 257.652542] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 257.657476] ? kasan_check_read+0x11/0x20 [ 257.661628] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.666944] ? rcu_softirq_qs+0x20/0x20 [ 257.670944] ? trace_hardirqs_off_caller+0x310/0x310 [ 257.676063] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.681601] ? check_preemption_disabled+0x48/0x280 [ 257.686632] handle_mm_fault+0x54f/0xc70 [ 257.690696] ? __handle_mm_fault+0x5be0/0x5be0 [ 257.695282] ? find_vma+0x34/0x190 [ 257.698832] __do_page_fault+0x5e8/0xe60 [ 257.702912] ? trace_hardirqs_off+0xb8/0x310 [ 257.707343] do_page_fault+0xf2/0x7e0 [ 257.711141] ? vmalloc_sync_all+0x30/0x30 [ 257.715291] ? error_entry+0x70/0xd0 [ 257.719010] ? trace_hardirqs_off_caller+0xbb/0x310 [ 257.724028] ? trace_hardirqs_on_caller+0xc0/0x310 [ 257.728958] ? syscall_return_slowpath+0x5e0/0x5e0 [ 257.733901] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.738748] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.743763] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.749217] ? prepare_exit_to_usermode+0x291/0x3b0 [ 257.754235] ? page_fault+0x8/0x30 [ 257.757777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.762621] ? page_fault+0x8/0x30 [ 257.766166] page_fault+0x1e/0x30 [ 257.769616] RIP: 0033:0x45ddf3 [ 257.772826] Code: Bad RIP value. [ 257.776187] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 257.781551] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 257.788818] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 257.796084] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 257.803348] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 257.810617] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 257.817918] warn_alloc_show_mem: 1 callbacks suppressed [ 257.817930] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 257.817932] Mem-Info: [ 257.817961] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 257.817961] active_file:10 inactive_file:13 isolated_file:0 [ 257.817961] unevictable:0 dirty:0 writeback:0 unstable:0 [ 257.817961] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 257.817961] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 257.817961] free:13776 free_pcp:523 free_cma:0 [ 257.823308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.830325] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 257.832724] Call Trace: [ 257.865765] 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 [ 257.875111] [ 257.902758] lowmem_reserve[]: 0 2818 6321 6321 [ 257.905358] dump_stack+0x244/0x39d [ 257.931471] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 257.933632] ? dump_stack_print_info.cold.1+0x20/0x20 [ 257.938184] lowmem_reserve[]: 0 0 3503 3503 [ 257.941817] warn_alloc.cold.116+0xb7/0x1bd [ 257.969111] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 257.974295] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.978593] lowmem_reserve[]: 0 0 0 0 [ 257.982915] ? lock_downgrade+0x900/0x900 [ 258.011949] 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 [ 258.016788] ? trace_hardirqs_off+0xb8/0x310 [ 258.020557] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 258.024701] ? trace_hardirqs_off+0xb8/0x310 [ 258.038196] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 258.042603] __alloc_pages_slowpath+0x2651/0x2de0 [ 258.057688] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 258.062105] ? warn_alloc+0x120/0x120 [ 258.076453] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 258.081288] ? print_usage_bug+0xc0/0xc0 [ 258.090098] 1516 total pagecache pages [ 258.093905] ? warn_alloc+0x120/0x120 [ 258.102467] 0 pages in swap cache [ 258.106548] ? warn_alloc+0x120/0x120 [ 258.110428] Swap cache stats: add 0, delete 0, find 0/0 [ 258.114216] ? print_usage_bug+0xc0/0xc0 [ 258.117647] Free swap = 0kB [ 258.121440] ? print_usage_bug+0xc0/0xc0 [ 258.126788] Total swap = 0kB [ 258.130839] ? __lock_acquire+0x62f/0x4c20 [ 258.133832] 1965979 pages RAM [ 258.137909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.140910] 0 pages HighMem/MovableOnly [ 258.145138] ? should_fail+0x22d/0xd01 [ 258.148218] 342854 pages reserved [ 258.153746] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.157711] 0 pages cma reserved [ 258.161592] ? __lock_acquire+0x62f/0x4c20 [ 258.165102] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.170121] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.170134] ? __lock_acquire+0x62f/0x4c20 [ 258.170151] ? should_fail+0x22d/0xd01 [ 258.173570] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.177749] ? find_held_lock+0x36/0x1c0 [ 258.184218] syz-fuzzer cpuset=/ mems_allowed=0 [ 258.189315] ? mark_held_locks+0x130/0x130 [ 258.220433] ? mark_held_locks+0x130/0x130 [ 258.224667] ? zap_class+0x640/0x640 [ 258.228378] ? zap_class+0x640/0x640 [ 258.232097] ? print_usage_bug+0xc0/0xc0 [ 258.236153] ? do_raw_spin_unlock+0xa7/0x330 [ 258.240562] ? zap_class+0x640/0x640 [ 258.244293] ? print_usage_bug+0xc0/0xc0 [ 258.248352] ? wq_watchdog_touch+0x9c/0xfe [ 258.252622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.258159] ? check_preemption_disabled+0x48/0x280 [ 258.263202] ? __lock_is_held+0xb5/0x140 [ 258.267270] __alloc_pages_nodemask+0xad8/0xea0 [ 258.271955] ? zap_class+0x640/0x640 [ 258.275676] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 258.280705] ? find_held_lock+0x36/0x1c0 [ 258.284802] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.289474] ? lock_downgrade+0x900/0x900 [ 258.293651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.299191] cache_grow_begin+0xa5/0x8c0 [ 258.303250] ? do_raw_spin_unlock+0xa7/0x330 [ 258.307669] fallback_alloc+0x204/0x2e0 [ 258.311651] ____cache_alloc_node+0x1c7/0x1e0 [ 258.316171] kmem_cache_alloc_node+0xe3/0x730 [ 258.320681] ? ipv6_get_ifaddr+0x42e/0x620 [ 258.324938] __alloc_skb+0x119/0x770 [ 258.328670] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 258.333968] ? netdev_alloc_frag+0x1f0/0x1f0 [ 258.338377] ? lock_downgrade+0x900/0x900 [ 258.342545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.348083] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.353536] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.359002] ? addrconf_rs_timer+0x690/0x690 [ 258.363444] ndisc_alloc_skb+0x144/0x340 [ 258.367509] ndisc_send_rs+0x331/0x6e0 [ 258.371407] addrconf_rs_timer+0x314/0x690 [ 258.375646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.379911] call_timer_fn+0x272/0x920 [ 258.383847] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.388145] ? process_timeout+0x40/0x40 [ 258.392265] ? mark_held_locks+0xc7/0x130 [ 258.396416] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.400930] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.405426] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.409675] ? lockdep_hardirqs_on+0x296/0x5b0 [ 258.414261] ? trace_hardirqs_on+0xbd/0x310 [ 258.418581] ? kasan_check_read+0x11/0x20 [ 258.422726] ? __run_timers+0x7da/0xc70 [ 258.426700] ? trace_hardirqs_off_caller+0x310/0x310 [ 258.431806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.436045] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.440275] __run_timers+0x7e5/0xc70 [ 258.444087] ? timer_fixup_init+0x70/0x70 [ 258.448240] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.453258] ? zap_class+0x640/0x640 [ 258.456976] ? print_usage_bug+0xc0/0xc0 [ 258.461041] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 258.466244] ? find_held_lock+0x36/0x1c0 [ 258.470338] ? zap_class+0x640/0x640 [ 258.474061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.479603] ? check_preemption_disabled+0x48/0x280 [ 258.484629] ? __lock_is_held+0xb5/0x140 [ 258.488694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.494233] ? check_preemption_disabled+0x48/0x280 [ 258.499254] run_timer_softirq+0x52/0xb0 [ 258.503316] ? rcu_read_lock_sched_held+0x14f/0x180 [ 258.508338] __do_softirq+0x308/0xb7e [ 258.512167] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 258.516659] ? lock_downgrade+0x900/0x900 [ 258.520827] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 258.525950] ? pvclock_read_flags+0x160/0x160 [ 258.530481] ? lapic_next_event+0x5a/0x90 [ 258.534634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.540180] ? kvm_clock_read+0x18/0x30 [ 258.544161] ? kvm_sched_clock_read+0x9/0x20 [ 258.548574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.554114] ? check_preemption_disabled+0x48/0x280 [ 258.559142] irq_exit+0x17f/0x1c0 [ 258.562596] smp_apic_timer_interrupt+0x1cb/0x760 [ 258.567439] ? smp_reschedule_interrupt+0x109/0x650 [ 258.572459] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.578347] ? interrupt_entry+0xb5/0xc0 [ 258.582421] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.587437] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.592459] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.597306] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.602324] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.607343] ? task_prio+0x50/0x50 [ 258.610893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.616433] ? check_preemption_disabled+0x48/0x280 [ 258.621459] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.626313] apic_timer_interrupt+0xf/0x20 [ 258.630541] [ 258.632780] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 258.637747] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 258.656660] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 258.664367] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 258.671640] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 258.678920] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 258.686188] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 258.693452] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 258.700754] rcu_read_lock_held+0xa9/0xc0 [ 258.704909] list_lru_count_one+0x31a/0x450 [ 258.709247] ? list_lru_isolate_move+0x3c0/0x3c0 [ 258.714006] ? deferred_split_count+0x65/0x170 [ 258.718627] ? shrink_huge_zero_page_count+0xc8/0x100 [ 258.723821] super_cache_count+0x153/0x2e0 [ 258.728065] do_shrink_slab+0x1b1/0xd30 [ 258.732046] ? lock_acquire+0x1ed/0x520 [ 258.736477] ? snapshot_refaults+0x290/0x290 [ 258.740939] ? lock_release+0xa00/0xa00 [ 258.744936] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 258.749898] ? down_read_trylock+0xda/0x140 [ 258.754220] ? shrink_slab+0x207/0x8c0 [ 258.758108] ? downgrade_write+0x270/0x270 [ 258.762351] shrink_slab+0x389/0x8c0 [ 258.766064] ? shrink_active_list+0x1f00/0x1f00 [ 258.770760] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 258.776399] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.781533] ? cgroup_procs_write_finish+0xf0/0xf0 [ 258.786485] ? find_held_lock+0x36/0x1c0 [ 258.790559] shrink_node+0x431/0x16b0 [ 258.794360] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 258.799661] ? shrink_node_memcg+0x18f0/0x18f0 [ 258.804246] ? kvm_clock_read+0x18/0x30 [ 258.808224] ? ktime_get+0x2c1/0x400 [ 258.811945] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 258.816453] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 258.821991] ? __cpuset_node_allowed+0x19b/0x660 [ 258.826752] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 258.832463] ? delayacct_end+0x5a/0x100 [ 258.836468] do_try_to_free_pages+0x3e7/0x1290 [ 258.841049] ? zap_class+0x640/0x640 [ 258.844783] ? shrink_node+0x16b0/0x16b0 [ 258.848900] ? __lock_is_held+0xb5/0x140 [ 258.852978] try_to_free_pages+0x4d0/0xb90 [ 258.857217] ? do_try_to_free_pages+0x1290/0x1290 [ 258.862086] ? lock_acquire+0x1ed/0x520 [ 258.866064] ? set_page_refcounted+0x280/0x280 [ 258.870654] ? lock_release+0xa00/0xa00 [ 258.874631] ? _raw_spin_unlock_irq+0x60/0x80 [ 258.879137] ? psi_memstall_enter+0x240/0x2b0 [ 258.883631] ? psi_memstall_tick+0x230/0x230 [ 258.888066] __alloc_pages_slowpath+0xa48/0x2de0 [ 258.892846] ? warn_alloc+0x120/0x120 [ 258.896647] ? mark_held_locks+0x130/0x130 [ 258.900913] ? find_get_entry+0xaae/0x1120 [ 258.905162] ? filemap_map_pages+0x1a20/0x1a20 [ 258.909748] ? zap_class+0x640/0x640 [ 258.913487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.919030] ? check_preemption_disabled+0x48/0x280 [ 258.924051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.929587] ? should_fail+0x22d/0xd01 [ 258.933477] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.938595] ? zap_class+0x640/0x640 [ 258.942347] ? __lock_is_held+0xb5/0x140 [ 258.946433] ? mark_held_locks+0x130/0x130 [ 258.950674] ? lock_release+0xa00/0xa00 [ 258.954646] ? perf_trace_sched_process_exec+0x860/0x860 [ 258.960108] ? xa_load+0x2ba/0x460 [ 258.963647] ? lock_downgrade+0x900/0x900 [ 258.967801] ? __might_sleep+0x95/0x190 [ 258.971782] __alloc_pages_nodemask+0xad8/0xea0 [ 258.976457] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 258.981476] ? __page_cache_alloc+0x191/0x5c0 [ 258.985974] ? xa_load+0x2e1/0x460 [ 258.989516] ? xa_clear_mark+0x40/0x40 [ 258.993410] ? zap_class+0x640/0x640 [ 258.997133] ? zap_class+0x640/0x640 [ 259.000844] ? zap_class+0x640/0x640 [ 259.004612] ? __do_page_cache_readahead+0x663/0x810 [ 259.009720] ? find_held_lock+0x36/0x1c0 [ 259.013784] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 259.019327] alloc_pages_current+0x173/0x350 [ 259.023743] __page_cache_alloc+0x38c/0x5c0 [ 259.028064] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 259.032997] ? kasan_check_read+0x11/0x20 [ 259.037144] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.042445] ? generic_perform_write+0x6a0/0x6a0 [ 259.047210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.052750] ? check_preemption_disabled+0x48/0x280 [ 259.057783] filemap_fault+0x1595/0x25f0 [ 259.061856] ? __lock_page_or_retry+0xa00/0xa00 [ 259.066537] ? mark_held_locks+0x130/0x130 [ 259.070780] ? filemap_map_pages+0xd6b/0x1a20 [ 259.075275] ? lock_downgrade+0x900/0x900 [ 259.079423] ? check_preemption_disabled+0x48/0x280 [ 259.084543] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 259.089481] ? kasan_check_read+0x11/0x20 [ 259.093630] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.098912] ? rcu_softirq_qs+0x20/0x20 [ 259.102915] ? filemap_map_pages+0xd92/0x1a20 [ 259.107418] ? print_usage_bug+0xc0/0xc0 [ 259.111485] ? find_get_entries_tag+0x1400/0x1400 [ 259.116344] ? __kasan_slab_free+0x102/0x150 [ 259.120820] ? kasan_slab_free+0xe/0x10 [ 259.124793] ? kmem_cache_free+0x83/0x290 [ 259.128943] ? __sigqueue_free.part.29+0x74/0x90 [ 259.133716] ? lock_acquire+0x1ed/0x520 [ 259.137690] ? ext4_filemap_fault+0x7a/0xad [ 259.142027] ? lock_release+0xa00/0xa00 [ 259.145998] ? perf_trace_sched_process_exec+0x860/0x860 [ 259.151451] ? print_usage_bug+0xc0/0xc0 [ 259.155525] ? print_usage_bug+0xc0/0xc0 [ 259.159596] ? down_read+0x8d/0x120 [ 259.163237] ? ext4_filemap_fault+0x7a/0xad [ 259.167585] ? __down_interruptible+0x700/0x700 [ 259.172274] ext4_filemap_fault+0x82/0xad [ 259.176424] __do_fault+0x100/0x6b0 [ 259.180056] ? pmd_devmap_trans_unstable+0x220/0x220 [ 259.185163] ? mark_held_locks+0x130/0x130 [ 259.189421] ? mark_held_locks+0x130/0x130 [ 259.193670] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 259.199209] ? rcu_pm_notify+0xc0/0xc0 [ 259.203107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.208652] __handle_mm_fault+0x3ea0/0x5be0 [ 259.213075] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 259.217929] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.222425] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 259.227013] ? trace_hardirqs_on+0xbd/0x310 [ 259.231334] ? kasan_check_read+0x11/0x20 [ 259.235480] ? __set_current_blocked+0xdf/0x120 [ 259.240182] ? trace_hardirqs_off_caller+0x310/0x310 [ 259.245299] ? zap_class+0x640/0x640 [ 259.249011] ? zap_class+0x640/0x640 [ 259.252749] ? find_held_lock+0x36/0x1c0 [ 259.256919] ? handle_mm_fault+0x42a/0xc70 [ 259.261156] ? lock_downgrade+0x900/0x900 [ 259.265304] ? check_preemption_disabled+0x48/0x280 [ 259.270322] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 259.275255] ? kasan_check_read+0x11/0x20 [ 259.279408] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.284691] ? rcu_softirq_qs+0x20/0x20 [ 259.288675] ? trace_hardirqs_off_caller+0x310/0x310 [ 259.293797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.299338] ? check_preemption_disabled+0x48/0x280 [ 259.304364] handle_mm_fault+0x54f/0xc70 [ 259.308431] ? __handle_mm_fault+0x5be0/0x5be0 [ 259.313038] ? find_vma+0x34/0x190 [ 259.316583] __do_page_fault+0x5e8/0xe60 [ 259.320654] ? exit_to_usermode_loop+0x1f4/0x380 [ 259.325434] do_page_fault+0xf2/0x7e0 [ 259.329236] ? vmalloc_sync_all+0x30/0x30 [ 259.333404] ? error_entry+0x70/0xd0 [ 259.337121] ? trace_hardirqs_off_caller+0xbb/0x310 [ 259.342135] ? trace_hardirqs_on_caller+0xc0/0x310 [ 259.347064] ? syscall_return_slowpath+0x5e0/0x5e0 [ 259.351991] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.356834] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.361890] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.367360] ? prepare_exit_to_usermode+0x291/0x3b0 [ 259.372399] ? page_fault+0x8/0x30 [ 259.375946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.380807] ? page_fault+0x8/0x30 [ 259.384348] page_fault+0x1e/0x30 [ 259.387797] RIP: 0033:0x45db60 [ 259.391003] Code: Bad RIP value. [ 259.394380] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 259.399763] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 259.407134] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 259.414406] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 259.421673] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 259.428943] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 259.436237] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 259.436305] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.443257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.443262] Call Trace: [ 259.443269] [ 259.443288] dump_stack+0x244/0x39d [ 259.443311] ? dump_stack_print_info.cold.1+0x20/0x20 [ 259.449890] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.459147] warn_alloc.cold.116+0xb7/0x1bd [ 259.461705] syz-fuzzer cpuset=/ mems_allowed=0 [ 259.463854] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 259.496547] ? lock_downgrade+0x900/0x900 [ 259.500703] ? trace_hardirqs_off+0xb8/0x310 [ 259.505123] ? trace_hardirqs_off+0xb8/0x310 [ 259.509544] __alloc_pages_slowpath+0x2651/0x2de0 [ 259.514417] ? warn_alloc+0x120/0x120 [ 259.518223] ? print_usage_bug+0xc0/0xc0 [ 259.522289] ? warn_alloc+0x120/0x120 [ 259.526093] ? warn_alloc+0x120/0x120 [ 259.529907] ? print_usage_bug+0xc0/0xc0 [ 259.533979] ? print_usage_bug+0xc0/0xc0 [ 259.538048] ? __lock_acquire+0x62f/0x4c20 [ 259.542295] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.547835] ? should_fail+0x22d/0xd01 [ 259.551730] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.556835] ? __lock_acquire+0x62f/0x4c20 [ 259.561074] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.566175] ? __lock_acquire+0x62f/0x4c20 [ 259.570414] ? should_fail+0x22d/0xd01 [ 259.574300] ? find_held_lock+0x36/0x1c0 [ 259.578371] ? mark_held_locks+0x130/0x130 [ 259.582611] ? mark_held_locks+0x130/0x130 [ 259.586856] ? zap_class+0x640/0x640 [ 259.590604] ? zap_class+0x640/0x640 [ 259.594316] ? print_usage_bug+0xc0/0xc0 [ 259.598374] ? do_raw_spin_unlock+0xa7/0x330 [ 259.602804] ? zap_class+0x640/0x640 [ 259.607041] ? print_usage_bug+0xc0/0xc0 [ 259.611103] ? wq_watchdog_touch+0x9c/0xfe [ 259.615342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.620899] ? check_preemption_disabled+0x48/0x280 [ 259.625930] ? __lock_is_held+0xb5/0x140 [ 259.630001] __alloc_pages_nodemask+0xad8/0xea0 [ 259.634670] ? zap_class+0x640/0x640 [ 259.638391] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 259.643424] ? find_held_lock+0x36/0x1c0 [ 259.647501] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.652174] ? lock_downgrade+0x900/0x900 [ 259.656330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.661874] cache_grow_begin+0xa5/0x8c0 [ 259.665950] ? do_raw_spin_unlock+0xa7/0x330 [ 259.670380] fallback_alloc+0x204/0x2e0 [ 259.674364] ____cache_alloc_node+0x1c7/0x1e0 [ 259.678866] kmem_cache_alloc_node+0xe3/0x730 [ 259.683375] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.687623] __alloc_skb+0x119/0x770 [ 259.691334] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.696614] ? netdev_alloc_frag+0x1f0/0x1f0 [ 259.701024] ? lock_downgrade+0x900/0x900 [ 259.705179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.710718] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.716181] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.721638] ? addrconf_rs_timer+0x690/0x690 [ 259.726066] ndisc_alloc_skb+0x144/0x340 [ 259.730137] ndisc_send_rs+0x331/0x6e0 [ 259.734031] addrconf_rs_timer+0x314/0x690 [ 259.738272] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.742517] call_timer_fn+0x272/0x920 [ 259.746405] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.750640] ? process_timeout+0x40/0x40 [ 259.754711] ? mark_held_locks+0xc7/0x130 [ 259.758863] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.763368] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.767862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.772109] ? lockdep_hardirqs_on+0x296/0x5b0 [ 259.776691] ? trace_hardirqs_on+0xbd/0x310 [ 259.781017] ? kasan_check_read+0x11/0x20 [ 259.785177] ? __run_timers+0x7da/0xc70 [ 259.789156] ? trace_hardirqs_off_caller+0x310/0x310 [ 259.794265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.798504] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.802735] __run_timers+0x7e5/0xc70 [ 259.806566] ? timer_fixup_init+0x70/0x70 [ 259.810742] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 259.815759] ? zap_class+0x640/0x640 [ 259.819476] ? print_usage_bug+0xc0/0xc0 [ 259.823538] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 259.828736] ? find_held_lock+0x36/0x1c0 [ 259.832800] ? zap_class+0x640/0x640 [ 259.836519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.842057] ? check_preemption_disabled+0x48/0x280 [ 259.847084] ? __lock_is_held+0xb5/0x140 [ 259.851146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.856685] ? check_preemption_disabled+0x48/0x280 [ 259.861706] run_timer_softirq+0x52/0xb0 [ 259.865767] ? rcu_read_lock_sched_held+0x14f/0x180 [ 259.870783] __do_softirq+0x308/0xb7e [ 259.874588] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 259.879081] ? lock_downgrade+0x900/0x900 [ 259.883240] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 259.888364] ? pvclock_read_flags+0x160/0x160 [ 259.892860] ? lapic_next_event+0x5a/0x90 [ 259.897025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.902568] ? kvm_clock_read+0x18/0x30 [ 259.906542] ? kvm_sched_clock_read+0x9/0x20 [ 259.910956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.916529] ? check_preemption_disabled+0x48/0x280 [ 259.921551] irq_exit+0x17f/0x1c0 [ 259.925007] smp_apic_timer_interrupt+0x1cb/0x760 [ 259.929849] ? smp_reschedule_interrupt+0x109/0x650 [ 259.934885] ? smp_call_function_single_interrupt+0x650/0x650 [ 259.940782] ? interrupt_entry+0xb5/0xc0 [ 259.944848] ? trace_hardirqs_off_caller+0xbb/0x310 [ 259.949873] ? trace_hardirqs_off_caller+0xbb/0x310 [ 259.954930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.959773] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.964795] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.969822] ? task_prio+0x50/0x50 [ 259.973367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.978917] ? check_preemption_disabled+0x48/0x280 [ 259.983942] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.988794] apic_timer_interrupt+0xf/0x20 [ 259.993022] [ 259.995269] RIP: 0010:console_unlock+0x102f/0x1190 [ 260.000197] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 260.019096] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 260.026805] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 260.034071] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 260.041342] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 260.048613] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 260.055885] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 260.063172] ? netconsole_netdev_event+0x280/0x280 [ 260.068115] ? console_unlock+0x1026/0x1190 [ 260.072463] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 260.077134] ? lock_release+0xa00/0xa00 [ 260.081109] ? retint_kernel+0x2d/0x2d [ 260.085015] vprintk_emit+0x391/0x990 [ 260.088821] ? wake_up_klogd+0x180/0x180 [ 260.092908] ? match_held_lock+0x811/0x8d0 [ 260.097156] ? mark_held_locks+0xc7/0x130 [ 260.101314] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.105813] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.110318] vprintk_default+0x28/0x30 [ 260.114204] vprintk_func+0x7e/0x181 [ 260.117920] printk+0xa7/0xcf [ 260.121032] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 260.125792] ? _raw_spin_unlock_irq+0x60/0x80 [ 260.130299] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 260.135588] dump_header+0x7cc/0xf72 [ 260.139314] ? pagefault_out_of_memory+0x197/0x197 [ 260.144251] ? __lock_acquire+0x62f/0x4c20 [ 260.148486] ? percpu_ref_get_many+0x240/0x240 [ 260.153067] ? print_usage_bug+0xc0/0xc0 [ 260.157133] ? zap_class+0x640/0x640 [ 260.160852] ? print_usage_bug+0xc0/0xc0 [ 260.164931] ? zap_class+0x640/0x640 [ 260.168653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.174196] ? find_held_lock+0x36/0x1c0 [ 260.178266] ? mark_held_locks+0xc7/0x130 [ 260.182416] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 260.187521] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 260.192624] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 260.197208] ? trace_hardirqs_on+0xbd/0x310 [ 260.201533] ? kasan_check_read+0x11/0x20 [ 260.205681] ? ___ratelimit+0x3b4/0x672 [ 260.209658] ? trace_hardirqs_off_caller+0x310/0x310 [ 260.214776] ? trace_hardirqs_on+0x310/0x310 [ 260.219201] ? lock_downgrade+0x900/0x900 [ 260.223357] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 260.228462] ? ___ratelimit+0x3b9/0x672 [ 260.232439] ? idr_get_free+0xf70/0xf70 [ 260.236760] ? find_held_lock+0x36/0x1c0 [ 260.240831] oom_kill_process.cold.27+0x10/0x903 [ 260.245588] ? zap_class+0x640/0x640 [ 260.249304] ? check_preemption_disabled+0x48/0x280 [ 260.254325] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 260.259258] ? kasan_check_read+0x11/0x20 [ 260.263406] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 260.268684] ? oom_evaluate_task+0x540/0x540 [ 260.273099] ? find_held_lock+0x36/0x1c0 [ 260.277172] ? out_of_memory+0x974/0x1430 [ 260.281321] ? lock_downgrade+0x900/0x900 [ 260.285470] ? check_preemption_disabled+0x48/0x280 [ 260.290487] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 260.295414] ? kasan_check_read+0x11/0x20 [ 260.299563] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 260.304839] ? rcu_softirq_qs+0x20/0x20 [ 260.308820] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 260.314369] ? oom_evaluate_task+0x302/0x540 [ 260.318780] out_of_memory+0xa84/0x1430 [ 260.322763] ? oom_killer_disable+0x3a0/0x3a0 [ 260.327261] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 260.332196] ? __ww_mutex_check_waiters+0x160/0x160 [ 260.337223] __alloc_pages_slowpath+0x232c/0x2de0 [ 260.342094] ? warn_alloc+0x120/0x120 [ 260.345911] ? mark_held_locks+0x130/0x130 [ 260.350156] ? find_get_entry+0xaae/0x1120 [ 260.354403] ? filemap_map_pages+0x1a20/0x1a20 [ 260.358995] ? zap_class+0x640/0x640 [ 260.362715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.368260] ? check_preemption_disabled+0x48/0x280 [ 260.373278] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.378823] ? should_fail+0x22d/0xd01 [ 260.382716] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.387824] ? zap_class+0x640/0x640 [ 260.391560] ? __lock_is_held+0xb5/0x140 [ 260.395634] ? mark_held_locks+0x130/0x130 [ 260.399869] ? lock_release+0xa00/0xa00 [ 260.403854] ? perf_trace_sched_process_exec+0x860/0x860 [ 260.409317] ? xa_load+0x2ba/0x460 [ 260.412861] ? lock_downgrade+0x900/0x900 [ 260.417025] ? __might_sleep+0x95/0x190 [ 260.421005] __alloc_pages_nodemask+0xad8/0xea0 [ 260.425681] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 260.430700] ? __page_cache_alloc+0x191/0x5c0 [ 260.435190] ? xa_load+0x2e1/0x460 [ 260.438729] ? xa_clear_mark+0x40/0x40 [ 260.442612] ? zap_class+0x640/0x640 [ 260.446327] ? zap_class+0x640/0x640 [ 260.450049] ? zap_class+0x640/0x640 [ 260.453767] ? zap_class+0x640/0x640 [ 260.457480] ? __do_page_cache_readahead+0x663/0x810 [ 260.462601] ? find_held_lock+0x36/0x1c0 [ 260.466667] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 260.472211] alloc_pages_current+0x173/0x350 [ 260.476629] __page_cache_alloc+0x38c/0x5c0 [ 260.480949] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 260.485901] ? kasan_check_read+0x11/0x20 [ 260.490050] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 260.495335] ? generic_perform_write+0x6a0/0x6a0 [ 260.500094] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.505639] ? check_preemption_disabled+0x48/0x280 [ 260.510667] filemap_fault+0x1595/0x25f0 [ 260.514743] ? __lock_page_or_retry+0xa00/0xa00 [ 260.519417] ? mark_held_locks+0x130/0x130 [ 260.523661] ? filemap_map_pages+0xd6b/0x1a20 [ 260.528159] ? lock_downgrade+0x900/0x900 [ 260.532311] ? check_preemption_disabled+0x48/0x280 [ 260.537331] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 260.542258] ? kasan_check_read+0x11/0x20 [ 260.546402] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 260.551678] ? rcu_softirq_qs+0x20/0x20 [ 260.555678] ? filemap_map_pages+0xd92/0x1a20 [ 260.560178] ? queue_work_on+0x12c/0x1e0 [ 260.564246] ? find_get_entries_tag+0x1400/0x1400 [ 260.569092] ? debug_object_destroy+0x2b0/0x2b0 [ 260.573808] ? lock_pi_update_atomic+0x150/0x150 [ 260.578567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.584120] ? lock_acquire+0x1ed/0x520 [ 260.588095] ? ext4_filemap_fault+0x7a/0xad [ 260.592423] ? lock_release+0xa00/0xa00 [ 260.596396] ? perf_trace_sched_process_exec+0x860/0x860 [ 260.601852] ? print_usage_bug+0xc0/0xc0 [ 260.605930] ? print_usage_bug+0xc0/0xc0 [ 260.610002] ? down_read+0x8d/0x120 [ 260.613637] ? ext4_filemap_fault+0x7a/0xad [ 260.617956] ? __down_interruptible+0x700/0x700 [ 260.622632] ext4_filemap_fault+0x82/0xad [ 260.626783] __do_fault+0x100/0x6b0 [ 260.630415] ? perf_tp_event+0xc20/0xc20 [ 260.634484] ? pmd_devmap_trans_unstable+0x220/0x220 [ 260.639600] ? mark_held_locks+0x130/0x130 [ 260.643838] ? mark_held_locks+0x130/0x130 [ 260.648084] ? debug_smp_processor_id+0x1c/0x20 [ 260.652776] ? perf_trace_lock+0x14d/0x7a0 [ 260.657017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.662564] __handle_mm_fault+0x3ea0/0x5be0 [ 260.666983] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 260.671826] ? lock_is_held_type+0x210/0x210 [ 260.676240] ? __switch_to_asm+0x34/0x70 [ 260.680300] ? __switch_to_asm+0x34/0x70 [ 260.684376] ? zap_class+0x640/0x640 [ 260.688094] ? zap_class+0x640/0x640 [ 260.691811] ? __x64_sys_futex+0x53e/0x6a0 [ 260.696049] ? find_held_lock+0x36/0x1c0 [ 260.700122] ? handle_mm_fault+0x42a/0xc70 [ 260.704362] ? lock_downgrade+0x900/0x900 [ 260.708513] ? check_preemption_disabled+0x48/0x280 [ 260.713536] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 260.718467] ? kasan_check_read+0x11/0x20 [ 260.722615] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 260.727917] ? rcu_softirq_qs+0x20/0x20 [ 260.731904] ? trace_hardirqs_off_caller+0x310/0x310 [ 260.737100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.742628] ? check_preemption_disabled+0x48/0x280 [ 260.747658] handle_mm_fault+0x54f/0xc70 [ 260.751723] ? __handle_mm_fault+0x5be0/0x5be0 [ 260.756318] ? find_vma+0x34/0x190 [ 260.759864] __do_page_fault+0x5e8/0xe60 [ 260.763936] ? trace_hardirqs_off+0xb8/0x310 [ 260.768358] do_page_fault+0xf2/0x7e0 [ 260.772159] ? vmalloc_sync_all+0x30/0x30 [ 260.776307] ? error_entry+0x70/0xd0 [ 260.780023] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.785043] ? trace_hardirqs_on_caller+0xc0/0x310 [ 260.789975] ? syscall_return_slowpath+0x5e0/0x5e0 [ 260.794929] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.799769] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.804813] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.810264] ? prepare_exit_to_usermode+0x291/0x3b0 [ 260.815282] ? page_fault+0x8/0x30 [ 260.818825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.823687] ? page_fault+0x8/0x30 [ 260.827229] page_fault+0x1e/0x30 [ 260.830693] RIP: 0033:0x45ddf3 [ 260.833907] Code: Bad RIP value. [ 260.837286] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 260.842663] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 260.849929] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 260.857199] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 260.864465] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 260.871730] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 260.879048] warn_alloc_show_mem: 1 callbacks suppressed [ 260.879059] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 260.879061] Mem-Info: [ 260.879090] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 260.879090] active_file:10 inactive_file:13 isolated_file:0 [ 260.879090] unevictable:0 dirty:0 writeback:0 unstable:0 [ 260.879090] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 260.879090] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 260.879090] free:13776 free_pcp:523 free_cma:0 [ 260.884450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.891465] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 260.893865] Call Trace: [ 260.926929] 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 [ 260.936273] [ 260.963923] lowmem_reserve[]: 0 2818 6321 6321 [ 260.966517] dump_stack+0x244/0x39d [ 260.992595] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 260.994747] ? dump_stack_print_info.cold.1+0x20/0x20 [ 260.999296] lowmem_reserve[]: 0 0 3503 3503 [ 261.002930] warn_alloc.cold.116+0xb7/0x1bd [ 261.030222] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 261.035410] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.039698] lowmem_reserve[]: 0 0 0 0 [ 261.044014] ? lock_downgrade+0x900/0x900 [ 261.073067] 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 [ 261.077919] ? trace_hardirqs_off+0xb8/0x310 [ 261.081688] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 261.085831] ? trace_hardirqs_off+0xb8/0x310 [ 261.099326] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 261.103736] __alloc_pages_slowpath+0x2651/0x2de0 [ 261.118798] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 261.123216] ? warn_alloc+0x120/0x120 [ 261.137564] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 261.142413] ? print_usage_bug+0xc0/0xc0 [ 261.151236] 1516 total pagecache pages [ 261.155027] ? warn_alloc+0x120/0x120 [ 261.163586] 0 pages in swap cache [ 261.167634] ? warn_alloc+0x120/0x120 [ 261.171496] Swap cache stats: add 0, delete 0, find 0/0 [ 261.175283] ? print_usage_bug+0xc0/0xc0 [ 261.178713] Free swap = 0kB [ 261.182514] ? kvm_clock_read+0x18/0x30 [ 261.187852] Total swap = 0kB [ 261.191915] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 261.194917] 1965979 pages RAM [ 261.198890] ? print_usage_bug+0xc0/0xc0 [ 261.201894] 0 pages HighMem/MovableOnly [ 261.206904] ? __lock_acquire+0x62f/0x4c20 [ 261.206924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.210008] 342854 pages reserved [ 261.214060] ? should_fail+0x22d/0xd01 [ 261.218010] 0 pages cma reserved [ 261.222235] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 261.227807] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.231189] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.235121] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.238421] ? __lock_acquire+0x62f/0x4c20 [ 261.243672] syz-fuzzer cpuset=/ mems_allowed=0 [ 261.250171] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.279342] ? __lock_acquire+0x62f/0x4c20 [ 261.283593] ? should_fail+0x22d/0xd01 [ 261.287479] ? rcu_irq_exit+0x1a2/0x390 [ 261.291463] ? mark_held_locks+0x130/0x130 [ 261.295703] ? mark_held_locks+0x130/0x130 [ 261.299949] ? mark_held_locks+0xc7/0x130 [ 261.304096] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 261.309114] ? zap_class+0x640/0x640 [ 261.312839] ? print_usage_bug+0xc0/0xc0 [ 261.316909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.322451] ? check_preemption_disabled+0x48/0x280 [ 261.327475] ? __lock_is_held+0xb5/0x140 [ 261.331542] __alloc_pages_nodemask+0xad8/0xea0 [ 261.336216] ? zap_class+0x640/0x640 [ 261.339939] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 261.344967] ? find_held_lock+0x36/0x1c0 [ 261.349041] ? ____cache_alloc_node+0x1c7/0x1e0 [ 261.353710] ? lock_downgrade+0x900/0x900 [ 261.357865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.363423] cache_grow_begin+0xa5/0x8c0 [ 261.367657] ? do_raw_spin_unlock+0xa7/0x330 [ 261.372073] fallback_alloc+0x204/0x2e0 [ 261.376067] ____cache_alloc_node+0x1c7/0x1e0 [ 261.380571] kmem_cache_alloc_node+0xe3/0x730 [ 261.385070] ? ipv6_get_ifaddr+0x42e/0x620 [ 261.389319] __alloc_skb+0x119/0x770 [ 261.393031] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 261.398311] ? netdev_alloc_frag+0x1f0/0x1f0 [ 261.402721] ? lock_downgrade+0x900/0x900 [ 261.406889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.412428] ? refcount_sub_and_test_checked+0x203/0x310 [ 261.417891] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 261.423348] ? addrconf_rs_timer+0x690/0x690 [ 261.427769] ndisc_alloc_skb+0x144/0x340 [ 261.431836] ndisc_send_rs+0x331/0x6e0 [ 261.435729] addrconf_rs_timer+0x314/0x690 [ 261.440343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.444587] call_timer_fn+0x272/0x920 [ 261.448475] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.452724] ? process_timeout+0x40/0x40 [ 261.456794] ? mark_held_locks+0xc7/0x130 [ 261.460944] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.465442] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.469939] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.474175] ? lockdep_hardirqs_on+0x296/0x5b0 [ 261.478759] ? trace_hardirqs_on+0xbd/0x310 [ 261.483079] ? kasan_check_read+0x11/0x20 [ 261.487224] ? __run_timers+0x7da/0xc70 [ 261.491200] ? trace_hardirqs_off_caller+0x310/0x310 [ 261.496310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.500548] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.504780] __run_timers+0x7e5/0xc70 [ 261.508593] ? timer_fixup_init+0x70/0x70 [ 261.512757] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 261.517807] ? zap_class+0x640/0x640 [ 261.521528] ? print_usage_bug+0xc0/0xc0 [ 261.525604] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 261.530803] ? find_held_lock+0x36/0x1c0 [ 261.534940] ? zap_class+0x640/0x640 [ 261.538694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.544235] ? check_preemption_disabled+0x48/0x280 [ 261.549259] ? __lock_is_held+0xb5/0x140 [ 261.553324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.558884] ? check_preemption_disabled+0x48/0x280 [ 261.563945] run_timer_softirq+0x52/0xb0 [ 261.568127] ? rcu_read_lock_sched_held+0x14f/0x180 [ 261.573147] __do_softirq+0x308/0xb7e [ 261.576956] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 261.581461] ? lock_downgrade+0x900/0x900 [ 261.585615] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 261.590724] ? pvclock_read_flags+0x160/0x160 [ 261.595225] ? lapic_next_event+0x5a/0x90 [ 261.599397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.605165] ? kvm_clock_read+0x18/0x30 [ 261.609207] ? kvm_sched_clock_read+0x9/0x20 [ 261.613621] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.619176] ? check_preemption_disabled+0x48/0x280 [ 261.624203] irq_exit+0x17f/0x1c0 [ 261.627661] smp_apic_timer_interrupt+0x1cb/0x760 [ 261.632507] ? smp_reschedule_interrupt+0x109/0x650 [ 261.637524] ? smp_call_function_single_interrupt+0x650/0x650 [ 261.643459] ? interrupt_entry+0xb5/0xc0 [ 261.647551] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.652565] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.657600] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.662463] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.667479] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.672504] ? task_prio+0x50/0x50 [ 261.676061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.681602] ? check_preemption_disabled+0x48/0x280 [ 261.686625] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.691477] apic_timer_interrupt+0xf/0x20 [ 261.695709] [ 261.697950] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 261.702891] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 261.721794] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 261.729500] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 261.736767] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 261.744040] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 261.751306] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 261.758571] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 261.765874] rcu_read_lock_held+0xa9/0xc0 [ 261.770033] list_lru_count_one+0x31a/0x450 [ 261.774359] ? list_lru_isolate_move+0x3c0/0x3c0 [ 261.779123] ? deferred_split_count+0x65/0x170 [ 261.783703] ? shrink_huge_zero_page_count+0xc8/0x100 [ 261.788919] super_cache_count+0x153/0x2e0 [ 261.793157] do_shrink_slab+0x1b1/0xd30 [ 261.797167] ? lock_acquire+0x1ed/0x520 [ 261.801172] ? snapshot_refaults+0x290/0x290 [ 261.805595] ? lock_release+0xa00/0xa00 [ 261.809592] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 261.814533] ? down_read_trylock+0xda/0x140 [ 261.818851] ? shrink_slab+0x207/0x8c0 [ 261.822745] ? downgrade_write+0x270/0x270 [ 261.826989] shrink_slab+0x389/0x8c0 [ 261.830702] ? shrink_active_list+0x1f00/0x1f00 [ 261.835380] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 261.841016] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.846132] ? cgroup_procs_write_finish+0xf0/0xf0 [ 261.851072] ? find_held_lock+0x36/0x1c0 [ 261.855142] shrink_node+0x431/0x16b0 [ 261.858948] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 261.864252] ? shrink_node_memcg+0x18f0/0x18f0 [ 261.868855] ? kvm_clock_read+0x18/0x30 [ 261.872857] ? ktime_get+0x2c1/0x400 [ 261.876609] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 261.881109] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 261.886676] ? __cpuset_node_allowed+0x19b/0x660 [ 261.891447] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 261.897163] ? delayacct_end+0x5a/0x100 [ 261.901146] do_try_to_free_pages+0x3e7/0x1290 [ 261.905725] ? zap_class+0x640/0x640 [ 261.909449] ? shrink_node+0x16b0/0x16b0 [ 261.913523] ? __lock_is_held+0xb5/0x140 [ 261.917643] try_to_free_pages+0x4d0/0xb90 [ 261.921898] ? do_try_to_free_pages+0x1290/0x1290 [ 261.926757] ? lock_acquire+0x1ed/0x520 [ 261.930744] ? set_page_refcounted+0x280/0x280 [ 261.935335] ? lock_release+0xa00/0xa00 [ 261.939312] ? _raw_spin_unlock_irq+0x60/0x80 [ 261.943808] ? psi_memstall_enter+0x240/0x2b0 [ 261.948307] ? psi_memstall_tick+0x230/0x230 [ 261.952728] __alloc_pages_slowpath+0xa48/0x2de0 [ 261.957511] ? warn_alloc+0x120/0x120 [ 261.961315] ? mark_held_locks+0x130/0x130 [ 261.965556] ? find_get_entry+0xaae/0x1120 [ 261.969806] ? filemap_map_pages+0x1a20/0x1a20 [ 261.974402] ? zap_class+0x640/0x640 [ 261.978126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.983666] ? check_preemption_disabled+0x48/0x280 [ 261.988688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.994226] ? should_fail+0x22d/0xd01 [ 261.998119] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.003223] ? zap_class+0x640/0x640 [ 262.006961] ? __lock_is_held+0xb5/0x140 [ 262.011042] ? mark_held_locks+0x130/0x130 [ 262.015280] ? lock_release+0xa00/0xa00 [ 262.019253] ? perf_trace_sched_process_exec+0x860/0x860 [ 262.024713] ? xa_load+0x2ba/0x460 [ 262.028255] ? lock_downgrade+0x900/0x900 [ 262.032412] ? __might_sleep+0x95/0x190 [ 262.036397] __alloc_pages_nodemask+0xad8/0xea0 [ 262.041080] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 262.046097] ? __page_cache_alloc+0x191/0x5c0 [ 262.050590] ? xa_load+0x2e1/0x460 [ 262.054129] ? xa_clear_mark+0x40/0x40 [ 262.058020] ? zap_class+0x640/0x640 [ 262.061745] ? zap_class+0x640/0x640 [ 262.065456] ? zap_class+0x640/0x640 [ 262.069169] ? __do_page_cache_readahead+0x663/0x810 [ 262.074282] ? find_held_lock+0x36/0x1c0 [ 262.078348] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 262.083902] alloc_pages_current+0x173/0x350 [ 262.088322] __page_cache_alloc+0x38c/0x5c0 [ 262.092643] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 262.097576] ? kasan_check_read+0x11/0x20 [ 262.101749] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.107028] ? generic_perform_write+0x6a0/0x6a0 [ 262.111786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.117330] ? check_preemption_disabled+0x48/0x280 [ 262.122353] filemap_fault+0x1595/0x25f0 [ 262.126433] ? __lock_page_or_retry+0xa00/0xa00 [ 262.131104] ? mark_held_locks+0x130/0x130 [ 262.135348] ? filemap_map_pages+0xd6b/0x1a20 [ 262.139845] ? lock_downgrade+0x900/0x900 [ 262.144008] ? check_preemption_disabled+0x48/0x280 [ 262.149028] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 262.153973] ? kasan_check_read+0x11/0x20 [ 262.158119] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.163401] ? rcu_softirq_qs+0x20/0x20 [ 262.167394] ? filemap_map_pages+0xd92/0x1a20 [ 262.171915] ? print_usage_bug+0xc0/0xc0 [ 262.175983] ? find_get_entries_tag+0x1400/0x1400 [ 262.180826] ? __kasan_slab_free+0x102/0x150 [ 262.185237] ? kasan_slab_free+0xe/0x10 [ 262.189207] ? kmem_cache_free+0x83/0x290 [ 262.193359] ? __sigqueue_free.part.29+0x74/0x90 [ 262.198136] ? lock_acquire+0x1ed/0x520 [ 262.202114] ? ext4_filemap_fault+0x7a/0xad [ 262.206448] ? lock_release+0xa00/0xa00 [ 262.210425] ? perf_trace_sched_process_exec+0x860/0x860 [ 262.215884] ? print_usage_bug+0xc0/0xc0 [ 262.219950] ? print_usage_bug+0xc0/0xc0 [ 262.224022] ? down_read+0x8d/0x120 [ 262.227676] ? ext4_filemap_fault+0x7a/0xad [ 262.231999] ? __down_interruptible+0x700/0x700 [ 262.236679] ext4_filemap_fault+0x82/0xad [ 262.240833] __do_fault+0x100/0x6b0 [ 262.244507] ? pmd_devmap_trans_unstable+0x220/0x220 [ 262.249613] ? mark_held_locks+0x130/0x130 [ 262.253848] ? mark_held_locks+0x130/0x130 [ 262.258095] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 262.263638] ? rcu_pm_notify+0xc0/0xc0 [ 262.267535] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.273083] __handle_mm_fault+0x3ea0/0x5be0 [ 262.277504] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 262.282349] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.286849] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 262.291444] ? trace_hardirqs_on+0xbd/0x310 [ 262.295767] ? kasan_check_read+0x11/0x20 [ 262.299915] ? __set_current_blocked+0xdf/0x120 [ 262.304594] ? trace_hardirqs_off_caller+0x310/0x310 [ 262.309710] ? zap_class+0x640/0x640 [ 262.313424] ? zap_class+0x640/0x640 [ 262.317146] ? find_held_lock+0x36/0x1c0 [ 262.321218] ? handle_mm_fault+0x42a/0xc70 [ 262.325465] ? lock_downgrade+0x900/0x900 [ 262.329636] ? check_preemption_disabled+0x48/0x280 [ 262.334662] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 262.339592] ? kasan_check_read+0x11/0x20 [ 262.343739] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.349014] ? rcu_softirq_qs+0x20/0x20 [ 262.352989] ? trace_hardirqs_off_caller+0x310/0x310 [ 262.358096] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.363639] ? check_preemption_disabled+0x48/0x280 [ 262.368663] handle_mm_fault+0x54f/0xc70 [ 262.372729] ? __handle_mm_fault+0x5be0/0x5be0 [ 262.377316] ? find_vma+0x34/0x190 [ 262.380862] __do_page_fault+0x5e8/0xe60 [ 262.384963] ? exit_to_usermode_loop+0x1f4/0x380 [ 262.389745] do_page_fault+0xf2/0x7e0 [ 262.393563] ? vmalloc_sync_all+0x30/0x30 [ 262.397728] ? error_entry+0x70/0xd0 [ 262.401447] ? trace_hardirqs_off_caller+0xbb/0x310 [ 262.406465] ? trace_hardirqs_on_caller+0xc0/0x310 [ 262.411400] ? syscall_return_slowpath+0x5e0/0x5e0 [ 262.416328] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.421173] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.426189] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.431644] ? prepare_exit_to_usermode+0x291/0x3b0 [ 262.436660] ? page_fault+0x8/0x30 [ 262.440203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.445053] ? page_fault+0x8/0x30 [ 262.448598] page_fault+0x1e/0x30 [ 262.452053] RIP: 0033:0x45db60 [ 262.455261] Code: Bad RIP value. [ 262.458624] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 262.463984] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 262.471262] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 262.478530] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 262.485794] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 262.493063] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 262.500359] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 262.500435] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 262.507385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.507390] Call Trace: [ 262.507397] [ 262.507420] dump_stack+0x244/0x39d [ 262.507439] ? dump_stack_print_info.cold.1+0x20/0x20 [ 262.513970] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 262.523272] warn_alloc.cold.116+0xb7/0x1bd [ 262.525825] syz-fuzzer cpuset=/ mems_allowed=0 [ 262.527973] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.560668] ? lock_downgrade+0x900/0x900 [ 262.564826] ? trace_hardirqs_off+0xb8/0x310 [ 262.569243] ? trace_hardirqs_off+0xb8/0x310 [ 262.573660] __alloc_pages_slowpath+0x2651/0x2de0 [ 262.578530] ? warn_alloc+0x120/0x120 [ 262.582337] ? print_usage_bug+0xc0/0xc0 [ 262.586401] ? warn_alloc+0x120/0x120 [ 262.590205] ? warn_alloc+0x120/0x120 [ 262.594007] ? print_usage_bug+0xc0/0xc0 [ 262.598072] ? print_usage_bug+0xc0/0xc0 [ 262.602133] ? __lock_acquire+0x62f/0x4c20 [ 262.606376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.611950] ? should_fail+0x22d/0xd01 [ 262.615842] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.620946] ? __lock_acquire+0x62f/0x4c20 [ 262.625192] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.630324] ? __lock_acquire+0x62f/0x4c20 [ 262.634557] ? should_fail+0x22d/0xd01 [ 262.638444] ? find_held_lock+0x36/0x1c0 [ 262.642511] ? mark_held_locks+0x130/0x130 [ 262.646751] ? mark_held_locks+0x130/0x130 [ 262.650987] ? zap_class+0x640/0x640 [ 262.654701] ? zap_class+0x640/0x640 [ 262.658419] ? print_usage_bug+0xc0/0xc0 [ 262.662480] ? do_raw_spin_unlock+0xa7/0x330 [ 262.666902] ? zap_class+0x640/0x640 [ 262.670618] ? print_usage_bug+0xc0/0xc0 [ 262.674686] ? wq_watchdog_touch+0x9c/0xfe [ 262.678963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.684510] ? check_preemption_disabled+0x48/0x280 [ 262.689540] ? __lock_is_held+0xb5/0x140 [ 262.693613] __alloc_pages_nodemask+0xad8/0xea0 [ 262.698282] ? zap_class+0x640/0x640 [ 262.702004] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 262.707032] ? find_held_lock+0x36/0x1c0 [ 262.711107] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.715792] ? lock_downgrade+0x900/0x900 [ 262.719947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.725498] cache_grow_begin+0xa5/0x8c0 [ 262.729562] ? do_raw_spin_unlock+0xa7/0x330 [ 262.733984] fallback_alloc+0x204/0x2e0 [ 262.738145] ____cache_alloc_node+0x1c7/0x1e0 [ 262.742645] kmem_cache_alloc_node+0xe3/0x730 [ 262.747143] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.751387] __alloc_skb+0x119/0x770 [ 262.755101] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.760381] ? netdev_alloc_frag+0x1f0/0x1f0 [ 262.764789] ? lock_downgrade+0x900/0x900 [ 262.768949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.774487] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.779941] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.785392] ? addrconf_rs_timer+0x690/0x690 [ 262.789823] ndisc_alloc_skb+0x144/0x340 [ 262.793900] ndisc_send_rs+0x331/0x6e0 [ 262.797795] addrconf_rs_timer+0x314/0x690 [ 262.802034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.806293] call_timer_fn+0x272/0x920 [ 262.810191] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.814425] ? process_timeout+0x40/0x40 [ 262.818494] ? mark_held_locks+0xc7/0x130 [ 262.822644] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.827138] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.831631] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.835862] ? lockdep_hardirqs_on+0x296/0x5b0 [ 262.840455] ? trace_hardirqs_on+0xbd/0x310 [ 262.844795] ? kasan_check_read+0x11/0x20 [ 262.848953] ? __run_timers+0x7da/0xc70 [ 262.852932] ? trace_hardirqs_off_caller+0x310/0x310 [ 262.858057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.862295] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.866529] __run_timers+0x7e5/0xc70 [ 262.870342] ? timer_fixup_init+0x70/0x70 [ 262.874490] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.879508] ? zap_class+0x640/0x640 [ 262.883225] ? print_usage_bug+0xc0/0xc0 [ 262.887289] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 262.892482] ? find_held_lock+0x36/0x1c0 [ 262.896549] ? zap_class+0x640/0x640 [ 262.900266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.905807] ? check_preemption_disabled+0x48/0x280 [ 262.910834] ? __lock_is_held+0xb5/0x140 [ 262.914951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.920493] ? check_preemption_disabled+0x48/0x280 [ 262.925538] run_timer_softirq+0x52/0xb0 [ 262.929606] ? rcu_read_lock_sched_held+0x14f/0x180 [ 262.934627] __do_softirq+0x308/0xb7e [ 262.938431] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 262.942925] ? lock_downgrade+0x900/0x900 [ 262.947081] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 262.952193] ? pvclock_read_flags+0x160/0x160 [ 262.956691] ? lapic_next_event+0x5a/0x90 [ 262.960842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.966382] ? kvm_clock_read+0x18/0x30 [ 262.970355] ? kvm_sched_clock_read+0x9/0x20 [ 262.974770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.980308] ? check_preemption_disabled+0x48/0x280 [ 262.985336] irq_exit+0x17f/0x1c0 [ 262.988791] smp_apic_timer_interrupt+0x1cb/0x760 [ 262.993632] ? smp_reschedule_interrupt+0x109/0x650 [ 262.998648] ? smp_call_function_single_interrupt+0x650/0x650 [ 263.004532] ? interrupt_entry+0xb5/0xc0 [ 263.008596] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.013614] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.018632] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.023475] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.028491] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.033506] ? task_prio+0x50/0x50 [ 263.037047] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.042586] ? check_preemption_disabled+0x48/0x280 [ 263.047607] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.052459] apic_timer_interrupt+0xf/0x20 [ 263.056685] [ 263.058925] RIP: 0010:console_unlock+0x102f/0x1190 [ 263.063857] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 263.082766] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 263.090471] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 263.097739] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 263.105009] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 263.112277] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 263.119601] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 263.126897] ? netconsole_netdev_event+0x280/0x280 [ 263.131836] ? console_unlock+0x1026/0x1190 [ 263.136180] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 263.140872] ? lock_release+0xa00/0xa00 [ 263.144864] ? retint_kernel+0x2d/0x2d [ 263.148805] vprintk_emit+0x391/0x990 [ 263.152617] ? wake_up_klogd+0x180/0x180 [ 263.156687] ? match_held_lock+0x811/0x8d0 [ 263.160935] ? mark_held_locks+0xc7/0x130 [ 263.165085] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.169585] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.174089] vprintk_default+0x28/0x30 [ 263.177981] vprintk_func+0x7e/0x181 [ 263.181698] printk+0xa7/0xcf [ 263.184808] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 263.189569] ? _raw_spin_unlock_irq+0x60/0x80 [ 263.194083] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 263.199368] dump_header+0x7cc/0xf72 [ 263.203094] ? pagefault_out_of_memory+0x197/0x197 [ 263.208031] ? __lock_acquire+0x62f/0x4c20 [ 263.212267] ? percpu_ref_get_many+0x240/0x240 [ 263.216852] ? print_usage_bug+0xc0/0xc0 [ 263.220951] ? zap_class+0x640/0x640 [ 263.224667] ? print_usage_bug+0xc0/0xc0 [ 263.228733] ? zap_class+0x640/0x640 [ 263.232450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.237995] ? find_held_lock+0x36/0x1c0 [ 263.242065] ? mark_held_locks+0xc7/0x130 [ 263.246219] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 263.251321] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 263.256423] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 263.261010] ? trace_hardirqs_on+0xbd/0x310 [ 263.265334] ? kasan_check_read+0x11/0x20 [ 263.269480] ? ___ratelimit+0x3b4/0x672 [ 263.273454] ? trace_hardirqs_off_caller+0x310/0x310 [ 263.278559] ? trace_hardirqs_on+0x310/0x310 [ 263.282968] ? lock_downgrade+0x900/0x900 [ 263.287125] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.292236] ? ___ratelimit+0x3b9/0x672 [ 263.296212] ? idr_get_free+0xf70/0xf70 [ 263.300186] ? find_held_lock+0x36/0x1c0 [ 263.304256] oom_kill_process.cold.27+0x10/0x903 [ 263.309017] ? zap_class+0x640/0x640 [ 263.312734] ? check_preemption_disabled+0x48/0x280 [ 263.317758] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 263.322686] ? kasan_check_read+0x11/0x20 [ 263.326835] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.332115] ? oom_evaluate_task+0x540/0x540 [ 263.336531] ? find_held_lock+0x36/0x1c0 [ 263.340598] ? out_of_memory+0x974/0x1430 [ 263.344750] ? lock_downgrade+0x900/0x900 [ 263.348911] ? check_preemption_disabled+0x48/0x280 [ 263.353937] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 263.358868] ? kasan_check_read+0x11/0x20 [ 263.363030] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.368307] ? rcu_softirq_qs+0x20/0x20 [ 263.372288] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 263.377826] ? oom_evaluate_task+0x302/0x540 [ 263.382237] out_of_memory+0xa84/0x1430 [ 263.386219] ? oom_killer_disable+0x3a0/0x3a0 [ 263.390718] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 263.395651] ? __ww_mutex_check_waiters+0x160/0x160 [ 263.400683] __alloc_pages_slowpath+0x232c/0x2de0 [ 263.405554] ? warn_alloc+0x120/0x120 [ 263.409358] ? mark_held_locks+0x130/0x130 [ 263.413605] ? find_get_entry+0xaae/0x1120 [ 263.417850] ? filemap_map_pages+0x1a20/0x1a20 [ 263.422448] ? zap_class+0x640/0x640 [ 263.426167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.431706] ? check_preemption_disabled+0x48/0x280 [ 263.436764] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.442304] ? should_fail+0x22d/0xd01 [ 263.446197] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.451302] ? zap_class+0x640/0x640 [ 263.455042] ? __lock_is_held+0xb5/0x140 [ 263.459111] ? mark_held_locks+0x130/0x130 [ 263.463352] ? lock_release+0xa00/0xa00 [ 263.467326] ? perf_trace_sched_process_exec+0x860/0x860 [ 263.472778] ? xa_load+0x2ba/0x460 [ 263.476319] ? lock_downgrade+0x900/0x900 [ 263.480485] ? __might_sleep+0x95/0x190 [ 263.484463] __alloc_pages_nodemask+0xad8/0xea0 [ 263.489139] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 263.494158] ? __page_cache_alloc+0x191/0x5c0 [ 263.498649] ? xa_load+0x2e1/0x460 [ 263.502193] ? xa_clear_mark+0x40/0x40 [ 263.506079] ? zap_class+0x640/0x640 [ 263.509796] ? zap_class+0x640/0x640 [ 263.513523] ? zap_class+0x640/0x640 [ 263.517236] ? zap_class+0x640/0x640 [ 263.520953] ? __do_page_cache_readahead+0x663/0x810 [ 263.526061] ? find_held_lock+0x36/0x1c0 [ 263.530129] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 263.535673] alloc_pages_current+0x173/0x350 [ 263.540088] __page_cache_alloc+0x38c/0x5c0 [ 263.544406] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 263.549337] ? kasan_check_read+0x11/0x20 [ 263.553486] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.558764] ? generic_perform_write+0x6a0/0x6a0 [ 263.563521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.569059] ? check_preemption_disabled+0x48/0x280 [ 263.574083] filemap_fault+0x1595/0x25f0 [ 263.578157] ? __lock_page_or_retry+0xa00/0xa00 [ 263.582828] ? mark_held_locks+0x130/0x130 [ 263.587089] ? filemap_map_pages+0xd6b/0x1a20 [ 263.591587] ? lock_downgrade+0x900/0x900 [ 263.595734] ? check_preemption_disabled+0x48/0x280 [ 263.600751] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 263.606165] ? kasan_check_read+0x11/0x20 [ 263.610316] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.615593] ? rcu_softirq_qs+0x20/0x20 [ 263.619601] ? filemap_map_pages+0xd92/0x1a20 [ 263.624105] ? queue_work_on+0x12c/0x1e0 [ 263.628174] ? find_get_entries_tag+0x1400/0x1400 [ 263.633022] ? debug_object_destroy+0x2b0/0x2b0 [ 263.637697] ? lock_pi_update_atomic+0x150/0x150 [ 263.642452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.648009] ? lock_acquire+0x1ed/0x520 [ 263.651987] ? ext4_filemap_fault+0x7a/0xad [ 263.656317] ? lock_release+0xa00/0xa00 [ 263.660293] ? perf_trace_sched_process_exec+0x860/0x860 [ 263.665761] ? print_usage_bug+0xc0/0xc0 [ 263.669825] ? print_usage_bug+0xc0/0xc0 [ 263.673907] ? down_read+0x8d/0x120 [ 263.677534] ? ext4_filemap_fault+0x7a/0xad [ 263.681856] ? __down_interruptible+0x700/0x700 [ 263.686546] ext4_filemap_fault+0x82/0xad [ 263.690696] __do_fault+0x100/0x6b0 [ 263.694322] ? perf_tp_event+0xc20/0xc20 [ 263.698386] ? pmd_devmap_trans_unstable+0x220/0x220 [ 263.703494] ? mark_held_locks+0x130/0x130 [ 263.707731] ? mark_held_locks+0x130/0x130 [ 263.711971] ? debug_smp_processor_id+0x1c/0x20 [ 263.716643] ? perf_trace_lock+0x14d/0x7a0 [ 263.720897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.726445] __handle_mm_fault+0x3ea0/0x5be0 [ 263.730862] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 263.735736] ? lock_is_held_type+0x210/0x210 [ 263.740152] ? __switch_to_asm+0x34/0x70 [ 263.744225] ? __switch_to_asm+0x34/0x70 [ 263.748298] ? zap_class+0x640/0x640 [ 263.752011] ? zap_class+0x640/0x640 [ 263.755726] ? __x64_sys_futex+0x53e/0x6a0 [ 263.759964] ? find_held_lock+0x36/0x1c0 [ 263.764044] ? handle_mm_fault+0x42a/0xc70 [ 263.768279] ? lock_downgrade+0x900/0x900 [ 263.772445] ? check_preemption_disabled+0x48/0x280 [ 263.777467] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 263.782396] ? kasan_check_read+0x11/0x20 [ 263.786544] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.791824] ? rcu_softirq_qs+0x20/0x20 [ 263.795800] ? trace_hardirqs_off_caller+0x310/0x310 [ 263.800924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.806468] ? check_preemption_disabled+0x48/0x280 [ 263.811497] handle_mm_fault+0x54f/0xc70 [ 263.815564] ? __handle_mm_fault+0x5be0/0x5be0 [ 263.820153] ? find_vma+0x34/0x190 [ 263.823716] __do_page_fault+0x5e8/0xe60 [ 263.827777] ? trace_hardirqs_off+0xb8/0x310 [ 263.832198] do_page_fault+0xf2/0x7e0 [ 263.836020] ? vmalloc_sync_all+0x30/0x30 [ 263.840171] ? error_entry+0x70/0xd0 [ 263.843897] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.848924] ? trace_hardirqs_on_caller+0xc0/0x310 [ 263.853855] ? syscall_return_slowpath+0x5e0/0x5e0 [ 263.858799] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.863641] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.868667] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.874118] ? prepare_exit_to_usermode+0x291/0x3b0 [ 263.879137] ? page_fault+0x8/0x30 [ 263.882695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.887556] ? page_fault+0x8/0x30 [ 263.891100] page_fault+0x1e/0x30 [ 263.894557] RIP: 0033:0x45ddf3 [ 263.897764] Code: Bad RIP value. [ 263.901128] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 263.906489] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 263.913758] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 263.921024] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 263.928317] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 263.935595] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 263.942895] warn_alloc_show_mem: 1 callbacks suppressed [ 263.942906] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 263.942908] Mem-Info: [ 263.942938] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 263.942938] active_file:10 inactive_file:13 isolated_file:0 [ 263.942938] unevictable:0 dirty:0 writeback:0 unstable:0 [ 263.942938] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 263.942938] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 263.942938] free:13776 free_pcp:523 free_cma:0 [ 263.948307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.955320] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 263.957717] Call Trace: [ 263.990949] 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 [ 264.000295] [ 264.027962] lowmem_reserve[]: 0 2818 6321 6321 [ 264.030556] dump_stack+0x244/0x39d [ 264.056669] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 264.058825] ? dump_stack_print_info.cold.1+0x20/0x20 [ 264.063368] lowmem_reserve[]: 0 0 3503 3503 [ 264.066999] warn_alloc.cold.116+0xb7/0x1bd [ 264.094317] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 264.099516] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.103809] lowmem_reserve[]: 0 0 0 0 [ 264.108127] ? lock_downgrade+0x900/0x900 [ 264.137170] 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 [ 264.142024] ? trace_hardirqs_off+0xb8/0x310 [ 264.145793] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 264.149937] ? trace_hardirqs_off+0xb8/0x310 [ 264.163435] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 264.167848] __alloc_pages_slowpath+0x2651/0x2de0 [ 264.182915] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 264.187337] ? warn_alloc+0x120/0x120 [ 264.201690] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 264.206523] ? print_usage_bug+0xc0/0xc0 [ 264.215332] 1516 total pagecache pages [ 264.219127] ? warn_alloc+0x120/0x120 [ 264.227686] 0 pages in swap cache [ 264.231735] ? warn_alloc+0x120/0x120 [ 264.235598] Swap cache stats: add 0, delete 0, find 0/0 [ 264.239388] ? print_usage_bug+0xc0/0xc0 [ 264.242816] Free swap = 0kB [ 264.246610] ? print_usage_bug+0xc0/0xc0 [ 264.251948] Total swap = 0kB [ 264.256002] ? __lock_acquire+0x62f/0x4c20 [ 264.258995] 1965979 pages RAM [ 264.263059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.266053] 0 pages HighMem/MovableOnly [ 264.270285] ? should_fail+0x22d/0xd01 [ 264.273365] 342854 pages reserved [ 264.278907] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.282861] 0 pages cma reserved [ 264.286753] ? __lock_acquire+0x62f/0x4c20 [ 264.290242] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.295276] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.298739] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 264.302875] ? __lock_acquire+0x62f/0x4c20 [ 264.302911] ? should_fail+0x22d/0xd01 [ 264.309400] syz-fuzzer cpuset=/ mems_allowed=0 [ 264.314497] ? find_held_lock+0x36/0x1c0 [ 264.341431] ? mark_held_locks+0x130/0x130 [ 264.345673] ? mark_held_locks+0x130/0x130 [ 264.349911] ? zap_class+0x640/0x640 [ 264.353628] ? zap_class+0x640/0x640 [ 264.357347] ? print_usage_bug+0xc0/0xc0 [ 264.361411] ? do_raw_spin_unlock+0xa7/0x330 [ 264.365821] ? zap_class+0x640/0x640 [ 264.369538] ? print_usage_bug+0xc0/0xc0 [ 264.373600] ? wq_watchdog_touch+0x9c/0xfe [ 264.377843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.383383] ? check_preemption_disabled+0x48/0x280 [ 264.388419] ? __lock_is_held+0xb5/0x140 [ 264.392489] __alloc_pages_nodemask+0xad8/0xea0 [ 264.397159] ? zap_class+0x640/0x640 [ 264.400890] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 264.405932] ? find_held_lock+0x36/0x1c0 [ 264.410008] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.414678] ? lock_downgrade+0x900/0x900 [ 264.418835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.424380] cache_grow_begin+0xa5/0x8c0 [ 264.428452] ? do_raw_spin_unlock+0xa7/0x330 [ 264.432872] fallback_alloc+0x204/0x2e0 [ 264.436864] ____cache_alloc_node+0x1c7/0x1e0 [ 264.441372] kmem_cache_alloc_node+0xe3/0x730 [ 264.445874] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.450132] __alloc_skb+0x119/0x770 [ 264.453844] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 264.459128] ? netdev_alloc_frag+0x1f0/0x1f0 [ 264.463541] ? lock_downgrade+0x900/0x900 [ 264.467698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.473240] ? refcount_sub_and_test_checked+0x203/0x310 [ 264.478696] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 264.484153] ? addrconf_rs_timer+0x690/0x690 [ 264.488574] ndisc_alloc_skb+0x144/0x340 [ 264.492662] ndisc_send_rs+0x331/0x6e0 [ 264.496557] addrconf_rs_timer+0x314/0x690 [ 264.500823] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.505074] call_timer_fn+0x272/0x920 [ 264.508967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.513203] ? process_timeout+0x40/0x40 [ 264.517277] ? mark_held_locks+0xc7/0x130 [ 264.521433] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.525930] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.530424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.534660] ? lockdep_hardirqs_on+0x296/0x5b0 [ 264.539250] ? trace_hardirqs_on+0xbd/0x310 [ 264.543574] ? kasan_check_read+0x11/0x20 [ 264.547721] ? __run_timers+0x7da/0xc70 [ 264.551696] ? trace_hardirqs_off_caller+0x310/0x310 [ 264.556805] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.561051] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.565283] __run_timers+0x7e5/0xc70 [ 264.569096] ? timer_fixup_init+0x70/0x70 [ 264.573249] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 264.578265] ? zap_class+0x640/0x640 [ 264.582012] ? print_usage_bug+0xc0/0xc0 [ 264.586077] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 264.591276] ? find_held_lock+0x36/0x1c0 [ 264.595346] ? zap_class+0x640/0x640 [ 264.599068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.604613] ? check_preemption_disabled+0x48/0x280 [ 264.609638] ? __lock_is_held+0xb5/0x140 [ 264.613702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.619241] ? check_preemption_disabled+0x48/0x280 [ 264.624267] run_timer_softirq+0x52/0xb0 [ 264.628332] ? rcu_read_lock_sched_held+0x14f/0x180 [ 264.633351] __do_softirq+0x308/0xb7e [ 264.637160] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 264.641654] ? lock_downgrade+0x900/0x900 [ 264.645808] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 264.650926] ? pvclock_read_flags+0x160/0x160 [ 264.655427] ? lapic_next_event+0x5a/0x90 [ 264.659582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.665129] ? kvm_clock_read+0x18/0x30 [ 264.669106] ? kvm_sched_clock_read+0x9/0x20 [ 264.673518] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.679059] ? check_preemption_disabled+0x48/0x280 [ 264.684084] irq_exit+0x17f/0x1c0 [ 264.687570] smp_apic_timer_interrupt+0x1cb/0x760 [ 264.692428] ? smp_reschedule_interrupt+0x109/0x650 [ 264.697450] ? smp_call_function_single_interrupt+0x650/0x650 [ 264.703341] ? interrupt_entry+0xb5/0xc0 [ 264.707411] ? trace_hardirqs_off_caller+0xbb/0x310 [ 264.712428] ? trace_hardirqs_off_caller+0xbb/0x310 [ 264.717446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.722291] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.727310] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.732328] ? task_prio+0x50/0x50 [ 264.735870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.741943] ? check_preemption_disabled+0x48/0x280 [ 264.746968] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.751824] apic_timer_interrupt+0xf/0x20 [ 264.756050] [ 264.758294] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 264.763227] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 264.782144] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 264.789852] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 264.797127] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 264.804397] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 264.811663] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 264.818930] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 264.826238] rcu_read_lock_held+0xa9/0xc0 [ 264.830388] list_lru_count_one+0x31a/0x450 [ 264.834718] ? list_lru_isolate_move+0x3c0/0x3c0 [ 264.839481] ? deferred_split_count+0x65/0x170 [ 264.844063] ? shrink_huge_zero_page_count+0xc8/0x100 [ 264.849262] super_cache_count+0x153/0x2e0 [ 264.853514] do_shrink_slab+0x1b1/0xd30 [ 264.857497] ? lock_acquire+0x1ed/0x520 [ 264.861475] ? snapshot_refaults+0x290/0x290 [ 264.865893] ? lock_release+0xa00/0xa00 [ 264.869875] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 264.874832] ? down_read_trylock+0xda/0x140 [ 264.879153] ? shrink_slab+0x207/0x8c0 [ 264.883044] ? downgrade_write+0x270/0x270 [ 264.887295] shrink_slab+0x389/0x8c0 [ 264.891010] ? shrink_active_list+0x1f00/0x1f00 [ 264.895689] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 264.901321] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 264.906433] ? cgroup_procs_write_finish+0xf0/0xf0 [ 264.911375] ? find_held_lock+0x36/0x1c0 [ 264.915451] shrink_node+0x431/0x16b0 [ 264.919256] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 264.924563] ? shrink_node_memcg+0x18f0/0x18f0 [ 264.929151] ? kvm_clock_read+0x18/0x30 [ 264.933127] ? ktime_get+0x2c1/0x400 [ 264.936848] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 264.941359] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 264.946905] ? __cpuset_node_allowed+0x19b/0x660 [ 264.951668] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 264.957382] ? delayacct_end+0x5a/0x100 [ 264.961371] do_try_to_free_pages+0x3e7/0x1290 [ 264.965959] ? zap_class+0x640/0x640 [ 264.969688] ? shrink_node+0x16b0/0x16b0 [ 264.973756] ? __lock_is_held+0xb5/0x140 [ 264.977835] try_to_free_pages+0x4d0/0xb90 [ 264.982082] ? do_try_to_free_pages+0x1290/0x1290 [ 264.986942] ? lock_acquire+0x1ed/0x520 [ 264.990921] ? set_page_refcounted+0x280/0x280 [ 264.995515] ? lock_release+0xa00/0xa00 [ 264.999492] ? _raw_spin_unlock_irq+0x60/0x80 [ 265.003993] ? psi_memstall_enter+0x240/0x2b0 [ 265.008514] ? psi_memstall_tick+0x230/0x230 [ 265.012939] __alloc_pages_slowpath+0xa48/0x2de0 [ 265.017725] ? warn_alloc+0x120/0x120 [ 265.021527] ? mark_held_locks+0x130/0x130 [ 265.025769] ? find_get_entry+0xaae/0x1120 [ 265.030019] ? filemap_map_pages+0x1a20/0x1a20 [ 265.034610] ? zap_class+0x640/0x640 [ 265.038333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.043873] ? check_preemption_disabled+0x48/0x280 [ 265.048908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.054450] ? should_fail+0x22d/0xd01 [ 265.058348] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.063454] ? zap_class+0x640/0x640 [ 265.067195] ? __lock_is_held+0xb5/0x140 [ 265.071266] ? mark_held_locks+0x130/0x130 [ 265.075508] ? lock_release+0xa00/0xa00 [ 265.079483] ? perf_trace_sched_process_exec+0x860/0x860 [ 265.084935] ? xa_load+0x2ba/0x460 [ 265.088478] ? lock_downgrade+0x900/0x900 [ 265.092643] ? __might_sleep+0x95/0x190 [ 265.096732] __alloc_pages_nodemask+0xad8/0xea0 [ 265.101420] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 265.106439] ? __page_cache_alloc+0x191/0x5c0 [ 265.110932] ? xa_load+0x2e1/0x460 [ 265.114478] ? xa_clear_mark+0x40/0x40 [ 265.118367] ? zap_class+0x640/0x640 [ 265.122094] ? zap_class+0x640/0x640 [ 265.125807] ? zap_class+0x640/0x640 [ 265.129526] ? __do_page_cache_readahead+0x663/0x810 [ 265.134632] ? find_held_lock+0x36/0x1c0 [ 265.138699] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 265.144243] alloc_pages_current+0x173/0x350 [ 265.148661] __page_cache_alloc+0x38c/0x5c0 [ 265.152982] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 265.157921] ? kasan_check_read+0x11/0x20 [ 265.162075] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.167357] ? generic_perform_write+0x6a0/0x6a0 [ 265.172120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.177664] ? check_preemption_disabled+0x48/0x280 [ 265.182691] filemap_fault+0x1595/0x25f0 [ 265.186769] ? __lock_page_or_retry+0xa00/0xa00 [ 265.191442] ? mark_held_locks+0x130/0x130 [ 265.195687] ? filemap_map_pages+0xd6b/0x1a20 [ 265.200184] ? lock_downgrade+0x900/0x900 [ 265.204337] ? check_preemption_disabled+0x48/0x280 [ 265.209359] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 265.214297] ? kasan_check_read+0x11/0x20 [ 265.218450] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.223729] ? rcu_softirq_qs+0x20/0x20 [ 265.227717] ? filemap_map_pages+0xd92/0x1a20 [ 265.232222] ? print_usage_bug+0xc0/0xc0 [ 265.236295] ? find_get_entries_tag+0x1400/0x1400 [ 265.241145] ? __kasan_slab_free+0x102/0x150 [ 265.245553] ? kasan_slab_free+0xe/0x10 [ 265.249529] ? kmem_cache_free+0x83/0x290 [ 265.253678] ? __sigqueue_free.part.29+0x74/0x90 [ 265.258456] ? lock_acquire+0x1ed/0x520 [ 265.262429] ? ext4_filemap_fault+0x7a/0xad [ 265.266758] ? lock_release+0xa00/0xa00 [ 265.270732] ? perf_trace_sched_process_exec+0x860/0x860 [ 265.276188] ? print_usage_bug+0xc0/0xc0 [ 265.280255] ? print_usage_bug+0xc0/0xc0 [ 265.284328] ? down_read+0x8d/0x120 [ 265.287953] ? ext4_filemap_fault+0x7a/0xad [ 265.292273] ? __down_interruptible+0x700/0x700 [ 265.296951] ext4_filemap_fault+0x82/0xad [ 265.301105] __do_fault+0x100/0x6b0 [ 265.304738] ? pmd_devmap_trans_unstable+0x220/0x220 [ 265.309845] ? mark_held_locks+0x130/0x130 [ 265.314082] ? mark_held_locks+0x130/0x130 [ 265.318319] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 265.323860] ? rcu_pm_notify+0xc0/0xc0 [ 265.327768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.333318] __handle_mm_fault+0x3ea0/0x5be0 [ 265.337740] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 265.342581] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.347083] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 265.351669] ? trace_hardirqs_on+0xbd/0x310 [ 265.355997] ? kasan_check_read+0x11/0x20 [ 265.360146] ? __set_current_blocked+0xdf/0x120 [ 265.364816] ? trace_hardirqs_off_caller+0x310/0x310 [ 265.369933] ? zap_class+0x640/0x640 [ 265.373646] ? zap_class+0x640/0x640 [ 265.377370] ? find_held_lock+0x36/0x1c0 [ 265.381445] ? handle_mm_fault+0x42a/0xc70 [ 265.385681] ? lock_downgrade+0x900/0x900 [ 265.389829] ? check_preemption_disabled+0x48/0x280 [ 265.394847] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 265.399788] ? kasan_check_read+0x11/0x20 [ 265.403937] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.409221] ? rcu_softirq_qs+0x20/0x20 [ 265.413200] ? trace_hardirqs_off_caller+0x310/0x310 [ 265.418307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.423848] ? check_preemption_disabled+0x48/0x280 [ 265.428891] handle_mm_fault+0x54f/0xc70 [ 265.432965] ? __handle_mm_fault+0x5be0/0x5be0 [ 265.437556] ? find_vma+0x34/0x190 [ 265.441133] __do_page_fault+0x5e8/0xe60 [ 265.445198] ? exit_to_usermode_loop+0x1f4/0x380 [ 265.449964] do_page_fault+0xf2/0x7e0 [ 265.453769] ? vmalloc_sync_all+0x30/0x30 [ 265.457925] ? error_entry+0x70/0xd0 [ 265.461644] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.466661] ? trace_hardirqs_on_caller+0xc0/0x310 [ 265.471592] ? syscall_return_slowpath+0x5e0/0x5e0 [ 265.476521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.481374] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.486412] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.491875] ? prepare_exit_to_usermode+0x291/0x3b0 [ 265.496915] ? page_fault+0x8/0x30 [ 265.500474] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.505334] ? page_fault+0x8/0x30 [ 265.508889] page_fault+0x1e/0x30 [ 265.512354] RIP: 0033:0x45db60 [ 265.515566] Code: Bad RIP value. [ 265.518929] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 265.524289] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 265.531557] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 265.538825] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 265.546099] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 265.553366] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 265.560683] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 265.560754] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.567704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.567709] Call Trace: [ 265.567716] [ 265.567738] dump_stack+0x244/0x39d [ 265.567760] ? dump_stack_print_info.cold.1+0x20/0x20 [ 265.574291] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.583603] warn_alloc.cold.116+0xb7/0x1bd [ 265.586161] syz-fuzzer cpuset=/ mems_allowed=0 [ 265.588304] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.621557] ? lock_downgrade+0x900/0x900 [ 265.625731] ? trace_hardirqs_off+0xb8/0x310 [ 265.630152] ? trace_hardirqs_off+0xb8/0x310 [ 265.634573] __alloc_pages_slowpath+0x2651/0x2de0 [ 265.639451] ? warn_alloc+0x120/0x120 [ 265.643268] ? print_usage_bug+0xc0/0xc0 [ 265.647335] ? warn_alloc+0x120/0x120 [ 265.651143] ? warn_alloc+0x120/0x120 [ 265.654950] ? print_usage_bug+0xc0/0xc0 [ 265.659015] ? kvm_clock_read+0x18/0x30 [ 265.663001] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 265.668022] ? print_usage_bug+0xc0/0xc0 [ 265.672092] ? __lock_acquire+0x62f/0x4c20 [ 265.676335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.681887] ? should_fail+0x22d/0xd01 [ 265.685785] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.691071] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.696179] ? __lock_acquire+0x62f/0x4c20 [ 265.700420] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.705524] ? __lock_acquire+0x62f/0x4c20 [ 265.709756] ? should_fail+0x22d/0xd01 [ 265.713639] ? rcu_irq_exit+0x1a2/0x390 [ 265.717628] ? mark_held_locks+0x130/0x130 [ 265.721866] ? mark_held_locks+0x130/0x130 [ 265.726119] ? mark_held_locks+0xc7/0x130 [ 265.730269] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 265.735285] ? zap_class+0x640/0x640 [ 265.739003] ? print_usage_bug+0xc0/0xc0 [ 265.743069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.748614] ? check_preemption_disabled+0x48/0x280 [ 265.753658] ? __lock_is_held+0xb5/0x140 [ 265.757726] __alloc_pages_nodemask+0xad8/0xea0 [ 265.762398] ? zap_class+0x640/0x640 [ 265.766118] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 265.771149] ? find_held_lock+0x36/0x1c0 [ 265.775223] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.779909] ? lock_downgrade+0x900/0x900 [ 265.784069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.789617] cache_grow_begin+0xa5/0x8c0 [ 265.793679] ? do_raw_spin_unlock+0xa7/0x330 [ 265.798095] fallback_alloc+0x204/0x2e0 [ 265.802076] ____cache_alloc_node+0x1c7/0x1e0 [ 265.806581] kmem_cache_alloc_node+0xe3/0x730 [ 265.811082] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.815332] __alloc_skb+0x119/0x770 [ 265.819048] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.824332] ? netdev_alloc_frag+0x1f0/0x1f0 [ 265.828745] ? lock_downgrade+0x900/0x900 [ 265.832916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.838457] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.843926] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.849384] ? addrconf_rs_timer+0x690/0x690 [ 265.853808] ndisc_alloc_skb+0x144/0x340 [ 265.857876] ndisc_send_rs+0x331/0x6e0 [ 265.861787] addrconf_rs_timer+0x314/0x690 [ 265.866030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.870280] call_timer_fn+0x272/0x920 [ 265.874167] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.878402] ? process_timeout+0x40/0x40 [ 265.882478] ? mark_held_locks+0xc7/0x130 [ 265.886629] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.891126] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.895625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.899861] ? lockdep_hardirqs_on+0x296/0x5b0 [ 265.904456] ? trace_hardirqs_on+0xbd/0x310 [ 265.908780] ? kasan_check_read+0x11/0x20 [ 265.912931] ? __run_timers+0x7da/0xc70 [ 265.916917] ? trace_hardirqs_off_caller+0x310/0x310 [ 265.922030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.926275] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.930510] __run_timers+0x7e5/0xc70 [ 265.934325] ? timer_fixup_init+0x70/0x70 [ 265.938480] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 265.943498] ? zap_class+0x640/0x640 [ 265.947217] ? print_usage_bug+0xc0/0xc0 [ 265.951281] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 265.956484] ? find_held_lock+0x36/0x1c0 [ 265.960553] ? zap_class+0x640/0x640 [ 265.964292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.969836] ? check_preemption_disabled+0x48/0x280 [ 265.974864] ? __lock_is_held+0xb5/0x140 [ 265.978944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.984484] ? check_preemption_disabled+0x48/0x280 [ 265.989510] run_timer_softirq+0x52/0xb0 [ 265.993573] ? rcu_read_lock_sched_held+0x14f/0x180 [ 265.998593] __do_softirq+0x308/0xb7e [ 266.002402] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 266.006914] ? lock_downgrade+0x900/0x900 [ 266.011069] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 266.016182] ? pvclock_read_flags+0x160/0x160 [ 266.020693] ? lapic_next_event+0x5a/0x90 [ 266.024849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.030403] ? kvm_clock_read+0x18/0x30 [ 266.034378] ? kvm_sched_clock_read+0x9/0x20 [ 266.038788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.044330] ? check_preemption_disabled+0x48/0x280 [ 266.049355] irq_exit+0x17f/0x1c0 [ 266.052817] smp_apic_timer_interrupt+0x1cb/0x760 [ 266.057664] ? smp_reschedule_interrupt+0x109/0x650 [ 266.062685] ? smp_call_function_single_interrupt+0x650/0x650 [ 266.068570] ? interrupt_entry+0xb5/0xc0 [ 266.072632] ? trace_hardirqs_off_caller+0xbb/0x310 [ 266.077649] ? trace_hardirqs_off_caller+0xbb/0x310 [ 266.082668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.087513] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.092530] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.097547] ? task_prio+0x50/0x50 [ 266.101097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.106639] ? check_preemption_disabled+0x48/0x280 [ 266.111661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.116517] apic_timer_interrupt+0xf/0x20 [ 266.120747] [ 266.122987] RIP: 0010:console_unlock+0x102f/0x1190 [ 266.127937] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 266.146852] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 266.154579] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 266.161850] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 266.169147] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 266.176413] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 266.183684] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 266.190967] ? netconsole_netdev_event+0x280/0x280 [ 266.195915] ? console_unlock+0x1026/0x1190 [ 266.200258] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 266.204932] ? lock_release+0xa00/0xa00 [ 266.208919] ? retint_kernel+0x2d/0x2d [ 266.212824] vprintk_emit+0x391/0x990 [ 266.216631] ? wake_up_klogd+0x180/0x180 [ 266.220698] ? match_held_lock+0x811/0x8d0 [ 266.224946] ? mark_held_locks+0xc7/0x130 [ 266.229098] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.233593] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.238094] vprintk_default+0x28/0x30 [ 266.241988] vprintk_func+0x7e/0x181 [ 266.245703] printk+0xa7/0xcf [ 266.248809] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 266.253573] ? _raw_spin_unlock_irq+0x60/0x80 [ 266.258082] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 266.263371] dump_header+0x7cc/0xf72 [ 266.267102] ? pagefault_out_of_memory+0x197/0x197 [ 266.272040] ? __lock_acquire+0x62f/0x4c20 [ 266.276299] ? percpu_ref_get_many+0x240/0x240 [ 266.280919] ? print_usage_bug+0xc0/0xc0 [ 266.284990] ? zap_class+0x640/0x640 [ 266.288711] ? print_usage_bug+0xc0/0xc0 [ 266.292777] ? zap_class+0x640/0x640 [ 266.296534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.302082] ? find_held_lock+0x36/0x1c0 [ 266.306157] ? mark_held_locks+0xc7/0x130 [ 266.310308] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 266.315415] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 266.320524] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 266.325110] ? trace_hardirqs_on+0xbd/0x310 [ 266.329437] ? kasan_check_read+0x11/0x20 [ 266.333587] ? ___ratelimit+0x3b4/0x672 [ 266.337570] ? trace_hardirqs_off_caller+0x310/0x310 [ 266.342682] ? trace_hardirqs_on+0x310/0x310 [ 266.347094] ? lock_downgrade+0x900/0x900 [ 266.351268] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.356376] ? ___ratelimit+0x3b9/0x672 [ 266.360402] ? idr_get_free+0xf70/0xf70 [ 266.364381] ? find_held_lock+0x36/0x1c0 [ 266.368453] oom_kill_process.cold.27+0x10/0x903 [ 266.373211] ? zap_class+0x640/0x640 [ 266.376927] ? check_preemption_disabled+0x48/0x280 [ 266.381951] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 266.386904] ? kasan_check_read+0x11/0x20 [ 266.391059] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 266.396337] ? oom_evaluate_task+0x540/0x540 [ 266.400753] ? find_held_lock+0x36/0x1c0 [ 266.404825] ? out_of_memory+0x974/0x1430 [ 266.408977] ? lock_downgrade+0x900/0x900 [ 266.413126] ? check_preemption_disabled+0x48/0x280 [ 266.418145] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 266.423087] ? kasan_check_read+0x11/0x20 [ 266.427232] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 266.432510] ? rcu_softirq_qs+0x20/0x20 [ 266.436492] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 266.442033] ? oom_evaluate_task+0x302/0x540 [ 266.446444] out_of_memory+0xa84/0x1430 [ 266.450431] ? oom_killer_disable+0x3a0/0x3a0 [ 266.454934] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 266.459877] ? __ww_mutex_check_waiters+0x160/0x160 [ 266.464936] __alloc_pages_slowpath+0x232c/0x2de0 [ 266.469808] ? warn_alloc+0x120/0x120 [ 266.473607] ? mark_held_locks+0x130/0x130 [ 266.477847] ? find_get_entry+0xaae/0x1120 [ 266.482096] ? filemap_map_pages+0x1a20/0x1a20 [ 266.486682] ? zap_class+0x640/0x640 [ 266.490402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.495945] ? check_preemption_disabled+0x48/0x280 [ 266.500964] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.506501] ? should_fail+0x22d/0xd01 [ 266.510390] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.515495] ? zap_class+0x640/0x640 [ 266.519243] ? __lock_is_held+0xb5/0x140 [ 266.523316] ? mark_held_locks+0x130/0x130 [ 266.527555] ? lock_release+0xa00/0xa00 [ 266.531529] ? perf_trace_sched_process_exec+0x860/0x860 [ 266.536978] ? xa_load+0x2ba/0x460 [ 266.540522] ? lock_downgrade+0x900/0x900 [ 266.544678] ? __might_sleep+0x95/0x190 [ 266.548662] __alloc_pages_nodemask+0xad8/0xea0 [ 266.553351] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 266.558380] ? __page_cache_alloc+0x191/0x5c0 [ 266.562877] ? xa_load+0x2e1/0x460 [ 266.566432] ? xa_clear_mark+0x40/0x40 [ 266.570335] ? zap_class+0x640/0x640 [ 266.574049] ? zap_class+0x640/0x640 [ 266.577770] ? zap_class+0x640/0x640 [ 266.581485] ? zap_class+0x640/0x640 [ 266.585200] ? __do_page_cache_readahead+0x663/0x810 [ 266.590308] ? find_held_lock+0x36/0x1c0 [ 266.594373] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 266.599933] alloc_pages_current+0x173/0x350 [ 266.604353] __page_cache_alloc+0x38c/0x5c0 [ 266.608675] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 266.613607] ? kasan_check_read+0x11/0x20 [ 266.617761] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 266.623042] ? generic_perform_write+0x6a0/0x6a0 [ 266.627813] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.633355] ? check_preemption_disabled+0x48/0x280 [ 266.638381] filemap_fault+0x1595/0x25f0 [ 266.642462] ? __lock_page_or_retry+0xa00/0xa00 [ 266.647142] ? mark_held_locks+0x130/0x130 [ 266.651405] ? filemap_map_pages+0xd6b/0x1a20 [ 266.655914] ? lock_downgrade+0x900/0x900 [ 266.660064] ? check_preemption_disabled+0x48/0x280 [ 266.665087] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 266.670017] ? kasan_check_read+0x11/0x20 [ 266.674169] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 266.679452] ? rcu_softirq_qs+0x20/0x20 [ 266.683457] ? filemap_map_pages+0xd92/0x1a20 [ 266.687974] ? queue_work_on+0x12c/0x1e0 [ 266.692045] ? find_get_entries_tag+0x1400/0x1400 [ 266.696905] ? debug_object_destroy+0x2b0/0x2b0 [ 266.701582] ? lock_pi_update_atomic+0x150/0x150 [ 266.706342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.711910] ? lock_acquire+0x1ed/0x520 [ 266.715900] ? ext4_filemap_fault+0x7a/0xad [ 266.720234] ? lock_release+0xa00/0xa00 [ 266.724210] ? perf_trace_sched_process_exec+0x860/0x860 [ 266.729661] ? print_usage_bug+0xc0/0xc0 [ 266.733723] ? print_usage_bug+0xc0/0xc0 [ 266.737946] ? down_read+0x8d/0x120 [ 266.741586] ? ext4_filemap_fault+0x7a/0xad [ 266.745919] ? __down_interruptible+0x700/0x700 [ 266.750601] ext4_filemap_fault+0x82/0xad [ 266.754755] __do_fault+0x100/0x6b0 [ 266.758381] ? perf_tp_event+0xc20/0xc20 [ 266.762446] ? pmd_devmap_trans_unstable+0x220/0x220 [ 266.767555] ? mark_held_locks+0x130/0x130 [ 266.771791] ? mark_held_locks+0x130/0x130 [ 266.776030] ? debug_smp_processor_id+0x1c/0x20 [ 266.780701] ? perf_trace_lock+0x14d/0x7a0 [ 266.784942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.790484] __handle_mm_fault+0x3ea0/0x5be0 [ 266.794915] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 266.799761] ? lock_is_held_type+0x210/0x210 [ 266.804173] ? __switch_to_asm+0x34/0x70 [ 266.808233] ? __switch_to_asm+0x34/0x70 [ 266.812313] ? zap_class+0x640/0x640 [ 266.816027] ? zap_class+0x640/0x640 [ 266.819742] ? __x64_sys_futex+0x53e/0x6a0 [ 266.823983] ? find_held_lock+0x36/0x1c0 [ 266.828057] ? handle_mm_fault+0x42a/0xc70 [ 266.832293] ? lock_downgrade+0x900/0x900 [ 266.836443] ? check_preemption_disabled+0x48/0x280 [ 266.841464] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 266.846411] ? kasan_check_read+0x11/0x20 [ 266.850566] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 266.855845] ? rcu_softirq_qs+0x20/0x20 [ 266.859821] ? trace_hardirqs_off_caller+0x310/0x310 [ 266.864932] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.870494] ? check_preemption_disabled+0x48/0x280 [ 266.875524] handle_mm_fault+0x54f/0xc70 [ 266.879590] ? __handle_mm_fault+0x5be0/0x5be0 [ 266.884185] ? find_vma+0x34/0x190 [ 266.887747] __do_page_fault+0x5e8/0xe60 [ 266.891813] ? trace_hardirqs_off+0xb8/0x310 [ 266.896231] do_page_fault+0xf2/0x7e0 [ 266.900041] ? vmalloc_sync_all+0x30/0x30 [ 266.904189] ? error_entry+0x70/0xd0 [ 266.907928] ? trace_hardirqs_off_caller+0xbb/0x310 [ 266.912982] ? trace_hardirqs_on_caller+0xc0/0x310 [ 266.917928] ? syscall_return_slowpath+0x5e0/0x5e0 [ 266.922857] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.927714] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.932739] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.938194] ? prepare_exit_to_usermode+0x291/0x3b0 [ 266.943242] ? page_fault+0x8/0x30 [ 266.946787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.951638] ? page_fault+0x8/0x30 [ 266.955179] page_fault+0x1e/0x30 [ 266.958628] RIP: 0033:0x45ddf3 [ 266.961833] Code: Bad RIP value. [ 266.965196] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 266.970586] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 266.977866] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 266.985157] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 266.992423] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 266.999689] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 267.007005] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 267.007010] warn_alloc_show_mem: 1 callbacks suppressed [ 267.007017] Mem-Info: [ 267.014038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.019409] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 267.019409] active_file:10 inactive_file:13 isolated_file:0 [ 267.019409] unevictable:0 dirty:0 writeback:0 unstable:0 [ 267.019409] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 267.019409] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 267.019409] free:13776 free_pcp:523 free_cma:0 [ 267.021787] Call Trace: [ 267.031175] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 267.064201] [ 267.066776] 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 [ 267.094449] dump_stack+0x244/0x39d [ 267.096568] lowmem_reserve[]: 0 2818 6321 6321 [ 267.122687] ? dump_stack_print_info.cold.1+0x20/0x20 [ 267.126280] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 267.130862] warn_alloc.cold.116+0xb7/0x1bd [ 267.136028] lowmem_reserve[]: 0 0 3503 3503 [ 267.163348] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 267.167644] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 267.171962] ? lock_downgrade+0x900/0x900 [ 267.176778] lowmem_reserve[]: 0 0 0 0 [ 267.205854] ? trace_hardirqs_off+0xb8/0x310 [ 267.209977] 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 [ 267.213776] ? trace_hardirqs_off+0xb8/0x310 [ 267.218157] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 267.231690] __alloc_pages_slowpath+0x2651/0x2de0 [ 267.236067] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 267.251174] ? warn_alloc+0x120/0x120 [ 267.255976] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 267.270357] ? print_usage_bug+0xc0/0xc0 [ 267.274136] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 267.282960] ? warn_alloc+0x120/0x120 [ 267.287010] 1516 total pagecache pages [ 267.295607] ? warn_alloc+0x120/0x120 [ 267.299426] 0 pages in swap cache [ 267.303300] ? print_usage_bug+0xc0/0xc0 [ 267.307076] Swap cache stats: add 0, delete 0, find 0/0 [ 267.310535] ? print_usage_bug+0xc0/0xc0 [ 267.314575] Free swap = 0kB [ 267.319933] ? __lock_acquire+0x62f/0x4c20 [ 267.323971] Total swap = 0kB [ 267.326986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.331196] 1965979 pages RAM [ 267.334207] ? should_fail+0x22d/0xd01 [ 267.339734] 0 pages HighMem/MovableOnly [ 267.342847] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.346707] 342854 pages reserved [ 267.350671] ? __lock_acquire+0x62f/0x4c20 [ 267.355753] 0 pages cma reserved [ 267.359197] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.363512] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 267.366784] ? __lock_acquire+0x62f/0x4c20 [ 267.366799] ? should_fail+0x22d/0xd01 [ 267.371985] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 267.378384] ? find_held_lock+0x36/0x1c0 [ 267.382595] syz-fuzzer cpuset=/ mems_allowed=0 [ 267.386498] ? mark_held_locks+0x130/0x130 [ 267.409533] ? mark_held_locks+0x130/0x130 [ 267.413765] ? zap_class+0x640/0x640 [ 267.417480] ? zap_class+0x640/0x640 [ 267.421226] ? print_usage_bug+0xc0/0xc0 [ 267.425295] ? do_raw_spin_unlock+0xa7/0x330 [ 267.429702] ? zap_class+0x640/0x640 [ 267.433419] ? print_usage_bug+0xc0/0xc0 [ 267.437491] ? wq_watchdog_touch+0x9c/0xfe [ 267.441733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.447270] ? check_preemption_disabled+0x48/0x280 [ 267.452294] ? __lock_is_held+0xb5/0x140 [ 267.456363] __alloc_pages_nodemask+0xad8/0xea0 [ 267.461050] ? zap_class+0x640/0x640 [ 267.464772] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 267.469812] ? find_held_lock+0x36/0x1c0 [ 267.473908] ? ____cache_alloc_node+0x1c7/0x1e0 [ 267.478580] ? lock_downgrade+0x900/0x900 [ 267.482737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.488285] cache_grow_begin+0xa5/0x8c0 [ 267.492376] ? do_raw_spin_unlock+0xa7/0x330 [ 267.496793] fallback_alloc+0x204/0x2e0 [ 267.500773] ____cache_alloc_node+0x1c7/0x1e0 [ 267.505274] kmem_cache_alloc_node+0xe3/0x730 [ 267.509773] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.514018] __alloc_skb+0x119/0x770 [ 267.517730] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 267.523022] ? netdev_alloc_frag+0x1f0/0x1f0 [ 267.527459] ? lock_downgrade+0x900/0x900 [ 267.531616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.537158] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.542614] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.548066] ? addrconf_rs_timer+0x690/0x690 [ 267.552492] ndisc_alloc_skb+0x144/0x340 [ 267.556561] ndisc_send_rs+0x331/0x6e0 [ 267.560456] addrconf_rs_timer+0x314/0x690 [ 267.564700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.568946] call_timer_fn+0x272/0x920 [ 267.572834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.577069] ? process_timeout+0x40/0x40 [ 267.581140] ? mark_held_locks+0xc7/0x130 [ 267.585293] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.589789] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.594282] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.598518] ? lockdep_hardirqs_on+0x296/0x5b0 [ 267.603104] ? trace_hardirqs_on+0xbd/0x310 [ 267.607601] ? kasan_check_read+0x11/0x20 [ 267.611748] ? __run_timers+0x7da/0xc70 [ 267.615728] ? trace_hardirqs_off_caller+0x310/0x310 [ 267.620837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.625080] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.629320] __run_timers+0x7e5/0xc70 [ 267.633133] ? timer_fixup_init+0x70/0x70 [ 267.637283] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.642299] ? zap_class+0x640/0x640 [ 267.646020] ? print_usage_bug+0xc0/0xc0 [ 267.650083] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 267.655278] ? find_held_lock+0x36/0x1c0 [ 267.659348] ? zap_class+0x640/0x640 [ 267.663073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.668614] ? check_preemption_disabled+0x48/0x280 [ 267.673640] ? __lock_is_held+0xb5/0x140 [ 267.677707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.683248] ? check_preemption_disabled+0x48/0x280 [ 267.688271] run_timer_softirq+0x52/0xb0 [ 267.692336] ? rcu_read_lock_sched_held+0x14f/0x180 [ 267.697354] __do_softirq+0x308/0xb7e [ 267.701160] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 267.705654] ? lock_downgrade+0x900/0x900 [ 267.709806] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 267.714956] ? pvclock_read_flags+0x160/0x160 [ 267.719453] ? lapic_next_event+0x5a/0x90 [ 267.723619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.729163] ? kvm_clock_read+0x18/0x30 [ 267.733135] ? kvm_sched_clock_read+0x9/0x20 [ 267.737545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.743084] ? check_preemption_disabled+0x48/0x280 [ 267.748110] irq_exit+0x17f/0x1c0 [ 267.751565] smp_apic_timer_interrupt+0x1cb/0x760 [ 267.756412] ? smp_reschedule_interrupt+0x109/0x650 [ 267.761429] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.767311] ? interrupt_entry+0xb5/0xc0 [ 267.771376] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.776399] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.781418] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.786261] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.791277] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.796292] ? task_prio+0x50/0x50 [ 267.799843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.805386] ? check_preemption_disabled+0x48/0x280 [ 267.810420] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.815271] apic_timer_interrupt+0xf/0x20 [ 267.819499] [ 267.821739] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 267.826668] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 267.845570] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 267.853277] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 267.860573] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 267.867854] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 267.875126] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 267.882396] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 267.889711] rcu_read_lock_held+0xa9/0xc0 [ 267.893864] list_lru_count_one+0x31a/0x450 [ 267.898191] ? list_lru_isolate_move+0x3c0/0x3c0 [ 267.902956] ? deferred_split_count+0x65/0x170 [ 267.907543] ? shrink_huge_zero_page_count+0xc8/0x100 [ 267.912753] super_cache_count+0x153/0x2e0 [ 267.916998] do_shrink_slab+0x1b1/0xd30 [ 267.920984] ? lock_acquire+0x1ed/0x520 [ 267.924966] ? snapshot_refaults+0x290/0x290 [ 267.929376] ? lock_release+0xa00/0xa00 [ 267.933358] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 267.938301] ? down_read_trylock+0xda/0x140 [ 267.942620] ? shrink_slab+0x207/0x8c0 [ 267.946512] ? downgrade_write+0x270/0x270 [ 267.950774] shrink_slab+0x389/0x8c0 [ 267.954491] ? shrink_active_list+0x1f00/0x1f00 [ 267.959172] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 267.964800] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 267.969926] ? cgroup_procs_write_finish+0xf0/0xf0 [ 267.974866] ? find_held_lock+0x36/0x1c0 [ 267.978947] shrink_node+0x431/0x16b0 [ 267.982747] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 267.988048] ? shrink_node_memcg+0x18f0/0x18f0 [ 267.992670] ? kvm_clock_read+0x18/0x30 [ 267.996648] ? ktime_get+0x2c1/0x400 [ 268.000369] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 268.004877] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 268.010430] ? __cpuset_node_allowed+0x19b/0x660 [ 268.015193] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 268.020914] ? delayacct_end+0x5a/0x100 [ 268.024905] do_try_to_free_pages+0x3e7/0x1290 [ 268.029489] ? zap_class+0x640/0x640 [ 268.033224] ? shrink_node+0x16b0/0x16b0 [ 268.037287] ? __lock_is_held+0xb5/0x140 [ 268.041360] try_to_free_pages+0x4d0/0xb90 [ 268.045605] ? do_try_to_free_pages+0x1290/0x1290 [ 268.050462] ? lock_acquire+0x1ed/0x520 [ 268.054439] ? set_page_refcounted+0x280/0x280 [ 268.059028] ? lock_release+0xa00/0xa00 [ 268.063006] ? _raw_spin_unlock_irq+0x60/0x80 [ 268.067527] ? psi_memstall_enter+0x240/0x2b0 [ 268.072024] ? psi_memstall_tick+0x230/0x230 [ 268.076444] __alloc_pages_slowpath+0xa48/0x2de0 [ 268.081229] ? warn_alloc+0x120/0x120 [ 268.085032] ? mark_held_locks+0x130/0x130 [ 268.089271] ? find_get_entry+0xaae/0x1120 [ 268.093516] ? filemap_map_pages+0x1a20/0x1a20 [ 268.098102] ? zap_class+0x640/0x640 [ 268.101826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.107371] ? check_preemption_disabled+0x48/0x280 [ 268.112398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.117934] ? should_fail+0x22d/0xd01 [ 268.121830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.126933] ? zap_class+0x640/0x640 [ 268.130672] ? __lock_is_held+0xb5/0x140 [ 268.134750] ? mark_held_locks+0x130/0x130 [ 268.138989] ? lock_release+0xa00/0xa00 [ 268.142970] ? perf_trace_sched_process_exec+0x860/0x860 [ 268.148423] ? xa_load+0x2ba/0x460 [ 268.151969] ? lock_downgrade+0x900/0x900 [ 268.156125] ? __might_sleep+0x95/0x190 [ 268.160104] __alloc_pages_nodemask+0xad8/0xea0 [ 268.164783] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 268.169802] ? __page_cache_alloc+0x191/0x5c0 [ 268.174292] ? xa_load+0x2e1/0x460 [ 268.177833] ? xa_clear_mark+0x40/0x40 [ 268.181721] ? zap_class+0x640/0x640 [ 268.185451] ? zap_class+0x640/0x640 [ 268.189164] ? zap_class+0x640/0x640 [ 268.192892] ? __do_page_cache_readahead+0x663/0x810 [ 268.198002] ? find_held_lock+0x36/0x1c0 [ 268.202067] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 268.207611] alloc_pages_current+0x173/0x350 [ 268.212028] __page_cache_alloc+0x38c/0x5c0 [ 268.216346] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 268.221275] ? kasan_check_read+0x11/0x20 [ 268.225429] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.230710] ? generic_perform_write+0x6a0/0x6a0 [ 268.235474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.241018] ? check_preemption_disabled+0x48/0x280 [ 268.246043] filemap_fault+0x1595/0x25f0 [ 268.250119] ? __lock_page_or_retry+0xa00/0xa00 [ 268.254801] ? mark_held_locks+0x130/0x130 [ 268.259049] ? filemap_map_pages+0xd6b/0x1a20 [ 268.263545] ? lock_downgrade+0x900/0x900 [ 268.267693] ? check_preemption_disabled+0x48/0x280 [ 268.272714] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 268.277649] ? kasan_check_read+0x11/0x20 [ 268.281795] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.287090] ? rcu_softirq_qs+0x20/0x20 [ 268.291083] ? filemap_map_pages+0xd92/0x1a20 [ 268.295584] ? print_usage_bug+0xc0/0xc0 [ 268.299655] ? find_get_entries_tag+0x1400/0x1400 [ 268.304504] ? __kasan_slab_free+0x102/0x150 [ 268.308914] ? kasan_slab_free+0xe/0x10 [ 268.312894] ? kmem_cache_free+0x83/0x290 [ 268.317045] ? __sigqueue_free.part.29+0x74/0x90 [ 268.321819] ? lock_acquire+0x1ed/0x520 [ 268.325792] ? ext4_filemap_fault+0x7a/0xad [ 268.330126] ? lock_release+0xa00/0xa00 [ 268.334099] ? perf_trace_sched_process_exec+0x860/0x860 [ 268.339556] ? print_usage_bug+0xc0/0xc0 [ 268.343634] ? print_usage_bug+0xc0/0xc0 [ 268.347704] ? down_read+0x8d/0x120 [ 268.351338] ? ext4_filemap_fault+0x7a/0xad [ 268.355659] ? __down_interruptible+0x700/0x700 [ 268.360340] ext4_filemap_fault+0x82/0xad [ 268.364492] __do_fault+0x100/0x6b0 [ 268.368129] ? pmd_devmap_trans_unstable+0x220/0x220 [ 268.373233] ? mark_held_locks+0x130/0x130 [ 268.377474] ? mark_held_locks+0x130/0x130 [ 268.381709] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 268.387250] ? rcu_pm_notify+0xc0/0xc0 [ 268.391146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.396693] __handle_mm_fault+0x3ea0/0x5be0 [ 268.401114] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 268.405963] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.410461] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 268.415049] ? trace_hardirqs_on+0xbd/0x310 [ 268.419371] ? kasan_check_read+0x11/0x20 [ 268.423525] ? __set_current_blocked+0xdf/0x120 [ 268.428195] ? trace_hardirqs_off_caller+0x310/0x310 [ 268.433309] ? zap_class+0x640/0x640 [ 268.437282] ? zap_class+0x640/0x640 [ 268.441008] ? find_held_lock+0x36/0x1c0 [ 268.445079] ? handle_mm_fault+0x42a/0xc70 [ 268.449315] ? lock_downgrade+0x900/0x900 [ 268.453470] ? check_preemption_disabled+0x48/0x280 [ 268.458491] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 268.463424] ? kasan_check_read+0x11/0x20 [ 268.467589] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.472866] ? rcu_softirq_qs+0x20/0x20 [ 268.476847] ? trace_hardirqs_off_caller+0x310/0x310 [ 268.481959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.487500] ? check_preemption_disabled+0x48/0x280 [ 268.492523] handle_mm_fault+0x54f/0xc70 [ 268.496590] ? __handle_mm_fault+0x5be0/0x5be0 [ 268.501180] ? find_vma+0x34/0x190 [ 268.504728] __do_page_fault+0x5e8/0xe60 [ 268.508792] ? exit_to_usermode_loop+0x1f4/0x380 [ 268.513558] do_page_fault+0xf2/0x7e0 [ 268.517360] ? vmalloc_sync_all+0x30/0x30 [ 268.521512] ? error_entry+0x70/0xd0 [ 268.525227] ? trace_hardirqs_off_caller+0xbb/0x310 [ 268.530245] ? trace_hardirqs_on_caller+0xc0/0x310 [ 268.535177] ? syscall_return_slowpath+0x5e0/0x5e0 [ 268.540367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.545213] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.550229] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.555688] ? prepare_exit_to_usermode+0x291/0x3b0 [ 268.560713] ? page_fault+0x8/0x30 [ 268.564263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.569125] ? page_fault+0x8/0x30 [ 268.572669] page_fault+0x1e/0x30 [ 268.576127] RIP: 0033:0x45db60 [ 268.579334] Code: Bad RIP value. [ 268.582700] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 268.588061] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 268.595334] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 268.602603] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 268.609871] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 268.617146] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 268.624444] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 268.624521] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.631465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.631470] Call Trace: [ 268.631477] [ 268.631500] dump_stack+0x244/0x39d [ 268.631524] ? dump_stack_print_info.cold.1+0x20/0x20 [ 268.638086] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.647355] warn_alloc.cold.116+0xb7/0x1bd [ 268.649912] syz-fuzzer cpuset=/ mems_allowed=0 [ 268.652056] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.684766] ? lock_downgrade+0x900/0x900 [ 268.688928] ? trace_hardirqs_off+0xb8/0x310 [ 268.693347] ? trace_hardirqs_off+0xb8/0x310 [ 268.697766] __alloc_pages_slowpath+0x2651/0x2de0 [ 268.702639] ? warn_alloc+0x120/0x120 [ 268.706442] ? print_usage_bug+0xc0/0xc0 [ 268.710517] ? warn_alloc+0x120/0x120 [ 268.714321] ? warn_alloc+0x120/0x120 [ 268.718126] ? print_usage_bug+0xc0/0xc0 [ 268.722188] ? kvm_clock_read+0x18/0x30 [ 268.726162] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 268.731181] ? print_usage_bug+0xc0/0xc0 [ 268.735247] ? __lock_acquire+0x62f/0x4c20 [ 268.739669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.745207] ? should_fail+0x22d/0xd01 [ 268.749092] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.754371] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.759475] ? __lock_acquire+0x62f/0x4c20 [ 268.763713] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.768816] ? __lock_acquire+0x62f/0x4c20 [ 268.773064] ? should_fail+0x22d/0xd01 [ 268.776951] ? rcu_irq_exit+0x1a2/0x390 [ 268.780934] ? mark_held_locks+0x130/0x130 [ 268.785175] ? mark_held_locks+0x130/0x130 [ 268.789418] ? mark_held_locks+0xc7/0x130 [ 268.793567] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 268.798585] ? zap_class+0x640/0x640 [ 268.802299] ? print_usage_bug+0xc0/0xc0 [ 268.806371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.811927] ? check_preemption_disabled+0x48/0x280 [ 268.816951] ? __lock_is_held+0xb5/0x140 [ 268.821019] __alloc_pages_nodemask+0xad8/0xea0 [ 268.825689] ? zap_class+0x640/0x640 [ 268.829406] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 268.834435] ? find_held_lock+0x36/0x1c0 [ 268.838512] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.843184] ? lock_downgrade+0x900/0x900 [ 268.847341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.852899] cache_grow_begin+0xa5/0x8c0 [ 268.856962] ? do_raw_spin_unlock+0xa7/0x330 [ 268.861377] fallback_alloc+0x204/0x2e0 [ 268.865384] ____cache_alloc_node+0x1c7/0x1e0 [ 268.869913] kmem_cache_alloc_node+0xe3/0x730 [ 268.874416] ? ipv6_get_ifaddr+0x42e/0x620 [ 268.878661] __alloc_skb+0x119/0x770 [ 268.882383] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.887709] ? netdev_alloc_frag+0x1f0/0x1f0 [ 268.892146] ? lock_downgrade+0x900/0x900 [ 268.896300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.901837] ? refcount_sub_and_test_checked+0x203/0x310 [ 268.907290] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 268.912744] ? addrconf_rs_timer+0x690/0x690 [ 268.917176] ndisc_alloc_skb+0x144/0x340 [ 268.921243] ndisc_send_rs+0x331/0x6e0 [ 268.925137] addrconf_rs_timer+0x314/0x690 [ 268.929382] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.933642] call_timer_fn+0x272/0x920 [ 268.937532] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.941764] ? process_timeout+0x40/0x40 [ 268.945834] ? mark_held_locks+0xc7/0x130 [ 268.949987] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.954485] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.958980] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.963214] ? lockdep_hardirqs_on+0x296/0x5b0 [ 268.967797] ? trace_hardirqs_on+0xbd/0x310 [ 268.972121] ? kasan_check_read+0x11/0x20 [ 268.976266] ? __run_timers+0x7da/0xc70 [ 268.980243] ? trace_hardirqs_off_caller+0x310/0x310 [ 268.985352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.989592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.993829] __run_timers+0x7e5/0xc70 [ 268.997666] ? timer_fixup_init+0x70/0x70 [ 269.001819] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 269.006840] ? zap_class+0x640/0x640 [ 269.010558] ? print_usage_bug+0xc0/0xc0 [ 269.014621] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 269.019819] ? find_held_lock+0x36/0x1c0 [ 269.023897] ? zap_class+0x640/0x640 [ 269.027623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.033165] ? check_preemption_disabled+0x48/0x280 [ 269.038192] ? __lock_is_held+0xb5/0x140 [ 269.042254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.047792] ? check_preemption_disabled+0x48/0x280 [ 269.052814] run_timer_softirq+0x52/0xb0 [ 269.056879] ? rcu_read_lock_sched_held+0x14f/0x180 [ 269.061919] __do_softirq+0x308/0xb7e [ 269.065734] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 269.070227] ? lock_downgrade+0x900/0x900 [ 269.074380] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 269.079492] ? pvclock_read_flags+0x160/0x160 [ 269.083990] ? lapic_next_event+0x5a/0x90 [ 269.088145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.093716] ? kvm_clock_read+0x18/0x30 [ 269.097718] ? kvm_sched_clock_read+0x9/0x20 [ 269.102134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.107696] ? check_preemption_disabled+0x48/0x280 [ 269.112724] irq_exit+0x17f/0x1c0 [ 269.116180] smp_apic_timer_interrupt+0x1cb/0x760 [ 269.121030] ? smp_reschedule_interrupt+0x109/0x650 [ 269.126048] ? smp_call_function_single_interrupt+0x650/0x650 [ 269.131934] ? interrupt_entry+0xb5/0xc0 [ 269.136001] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.141022] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.146039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.150898] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.155924] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.160941] ? task_prio+0x50/0x50 [ 269.164486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.170051] ? check_preemption_disabled+0x48/0x280 [ 269.175074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.179930] apic_timer_interrupt+0xf/0x20 [ 269.184158] [ 269.186395] RIP: 0010:console_unlock+0x102f/0x1190 [ 269.191327] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 269.210228] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 269.217933] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 269.225218] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 269.232514] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 269.239797] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 269.247063] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 269.254340] ? netconsole_netdev_event+0x280/0x280 [ 269.259274] ? console_unlock+0x1026/0x1190 [ 269.263628] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 269.268316] ? lock_release+0xa00/0xa00 [ 269.272303] ? retint_kernel+0x2d/0x2d [ 269.276207] vprintk_emit+0x391/0x990 [ 269.280016] ? wake_up_klogd+0x180/0x180 [ 269.284085] ? match_held_lock+0x811/0x8d0 [ 269.288328] ? mark_held_locks+0xc7/0x130 [ 269.292509] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.297002] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.301500] vprintk_default+0x28/0x30 [ 269.305390] vprintk_func+0x7e/0x181 [ 269.309110] printk+0xa7/0xcf [ 269.312216] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 269.316985] ? _raw_spin_unlock_irq+0x60/0x80 [ 269.321493] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 269.326781] dump_header+0x7cc/0xf72 [ 269.330501] ? pagefault_out_of_memory+0x197/0x197 [ 269.335434] ? __lock_acquire+0x62f/0x4c20 [ 269.339684] ? percpu_ref_get_many+0x240/0x240 [ 269.344287] ? print_usage_bug+0xc0/0xc0 [ 269.348356] ? zap_class+0x640/0x640 [ 269.352102] ? print_usage_bug+0xc0/0xc0 [ 269.356165] ? zap_class+0x640/0x640 [ 269.359896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.365441] ? find_held_lock+0x36/0x1c0 [ 269.369542] ? mark_held_locks+0xc7/0x130 [ 269.373702] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 269.378804] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 269.383916] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 269.388515] ? trace_hardirqs_on+0xbd/0x310 [ 269.392855] ? kasan_check_read+0x11/0x20 [ 269.397019] ? ___ratelimit+0x3b4/0x672 [ 269.401041] ? trace_hardirqs_off_caller+0x310/0x310 [ 269.406163] ? trace_hardirqs_on+0x310/0x310 [ 269.410579] ? lock_downgrade+0x900/0x900 [ 269.414737] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 269.419841] ? ___ratelimit+0x3b9/0x672 [ 269.423815] ? idr_get_free+0xf70/0xf70 [ 269.427787] ? find_held_lock+0x36/0x1c0 [ 269.431873] oom_kill_process.cold.27+0x10/0x903 [ 269.436649] ? zap_class+0x640/0x640 [ 269.440364] ? check_preemption_disabled+0x48/0x280 [ 269.445385] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 269.450318] ? kasan_check_read+0x11/0x20 [ 269.454463] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 269.459744] ? oom_evaluate_task+0x540/0x540 [ 269.464154] ? find_held_lock+0x36/0x1c0 [ 269.468226] ? out_of_memory+0x974/0x1430 [ 269.472382] ? lock_downgrade+0x900/0x900 [ 269.476550] ? check_preemption_disabled+0x48/0x280 [ 269.481597] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 269.486536] ? kasan_check_read+0x11/0x20 [ 269.490687] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 269.495995] ? rcu_softirq_qs+0x20/0x20 [ 269.499978] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.505527] ? oom_evaluate_task+0x302/0x540 [ 269.509953] out_of_memory+0xa84/0x1430 [ 269.513940] ? oom_killer_disable+0x3a0/0x3a0 [ 269.518464] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 269.523399] ? __ww_mutex_check_waiters+0x160/0x160 [ 269.528450] __alloc_pages_slowpath+0x232c/0x2de0 [ 269.533352] ? warn_alloc+0x120/0x120 [ 269.537194] ? mark_held_locks+0x130/0x130 [ 269.541451] ? find_get_entry+0xaae/0x1120 [ 269.545709] ? filemap_map_pages+0x1a20/0x1a20 [ 269.550307] ? zap_class+0x640/0x640 [ 269.554025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.559609] ? check_preemption_disabled+0x48/0x280 [ 269.564636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.570170] ? should_fail+0x22d/0xd01 [ 269.574065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.579171] ? zap_class+0x640/0x640 [ 269.582918] ? __lock_is_held+0xb5/0x140 [ 269.587001] ? mark_held_locks+0x130/0x130 [ 269.591238] ? lock_release+0xa00/0xa00 [ 269.595212] ? perf_trace_sched_process_exec+0x860/0x860 [ 269.600662] ? xa_load+0x2ba/0x460 [ 269.604205] ? lock_downgrade+0x900/0x900 [ 269.608904] ? __might_sleep+0x95/0x190 [ 269.612900] __alloc_pages_nodemask+0xad8/0xea0 [ 269.617576] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 269.622594] ? __page_cache_alloc+0x191/0x5c0 [ 269.627086] ? xa_load+0x2e1/0x460 [ 269.630643] ? xa_clear_mark+0x40/0x40 [ 269.634529] ? zap_class+0x640/0x640 [ 269.638245] ? zap_class+0x640/0x640 [ 269.641967] ? zap_class+0x640/0x640 [ 269.645678] ? zap_class+0x640/0x640 [ 269.649408] ? __do_page_cache_readahead+0x663/0x810 [ 269.654518] ? find_held_lock+0x36/0x1c0 [ 269.658587] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 269.664142] alloc_pages_current+0x173/0x350 [ 269.668554] __page_cache_alloc+0x38c/0x5c0 [ 269.672876] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 269.677819] ? kasan_check_read+0x11/0x20 [ 269.681967] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 269.687247] ? generic_perform_write+0x6a0/0x6a0 [ 269.692003] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.697539] ? check_preemption_disabled+0x48/0x280 [ 269.702563] filemap_fault+0x1595/0x25f0 [ 269.706696] ? __lock_page_or_retry+0xa00/0xa00 [ 269.711366] ? mark_held_locks+0x130/0x130 [ 269.715610] ? filemap_map_pages+0xd6b/0x1a20 [ 269.720111] ? lock_downgrade+0x900/0x900 [ 269.724257] ? check_preemption_disabled+0x48/0x280 [ 269.729275] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 269.734201] ? kasan_check_read+0x11/0x20 [ 269.738346] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 269.743669] ? rcu_softirq_qs+0x20/0x20 [ 269.747656] ? filemap_map_pages+0xd92/0x1a20 [ 269.752156] ? queue_work_on+0x12c/0x1e0 [ 269.756226] ? find_get_entries_tag+0x1400/0x1400 [ 269.761072] ? debug_object_destroy+0x2b0/0x2b0 [ 269.765748] ? lock_pi_update_atomic+0x150/0x150 [ 269.770504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.776080] ? lock_acquire+0x1ed/0x520 [ 269.780059] ? ext4_filemap_fault+0x7a/0xad [ 269.784386] ? lock_release+0xa00/0xa00 [ 269.788358] ? perf_trace_sched_process_exec+0x860/0x860 [ 269.793810] ? print_usage_bug+0xc0/0xc0 [ 269.797870] ? print_usage_bug+0xc0/0xc0 [ 269.801969] ? down_read+0x8d/0x120 [ 269.805598] ? ext4_filemap_fault+0x7a/0xad [ 269.809952] ? __down_interruptible+0x700/0x700 [ 269.814631] ext4_filemap_fault+0x82/0xad [ 269.818779] __do_fault+0x100/0x6b0 [ 269.822405] ? perf_tp_event+0xc20/0xc20 [ 269.826469] ? pmd_devmap_trans_unstable+0x220/0x220 [ 269.831575] ? mark_held_locks+0x130/0x130 [ 269.835809] ? mark_held_locks+0x130/0x130 [ 269.840068] ? debug_smp_processor_id+0x1c/0x20 [ 269.844735] ? perf_trace_lock+0x14d/0x7a0 [ 269.848980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.854518] __handle_mm_fault+0x3ea0/0x5be0 [ 269.858937] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 269.863810] ? lock_is_held_type+0x210/0x210 [ 269.868223] ? __switch_to_asm+0x34/0x70 [ 269.872281] ? __switch_to_asm+0x34/0x70 [ 269.876355] ? zap_class+0x640/0x640 [ 269.880070] ? zap_class+0x640/0x640 [ 269.883782] ? __x64_sys_futex+0x53e/0x6a0 [ 269.888021] ? find_held_lock+0x36/0x1c0 [ 269.892091] ? handle_mm_fault+0x42a/0xc70 [ 269.896332] ? lock_downgrade+0x900/0x900 [ 269.900481] ? check_preemption_disabled+0x48/0x280 [ 269.905502] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 269.910431] ? kasan_check_read+0x11/0x20 [ 269.914598] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 269.919876] ? rcu_softirq_qs+0x20/0x20 [ 269.923870] ? trace_hardirqs_off_caller+0x310/0x310 [ 269.928989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.934529] ? check_preemption_disabled+0x48/0x280 [ 269.939555] handle_mm_fault+0x54f/0xc70 [ 269.943621] ? __handle_mm_fault+0x5be0/0x5be0 [ 269.948213] ? find_vma+0x34/0x190 [ 269.951758] __do_page_fault+0x5e8/0xe60 [ 269.955818] ? trace_hardirqs_off+0xb8/0x310 [ 269.960237] do_page_fault+0xf2/0x7e0 [ 269.964043] ? vmalloc_sync_all+0x30/0x30 [ 269.968192] ? error_entry+0x70/0xd0 [ 269.971918] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.976940] ? trace_hardirqs_on_caller+0xc0/0x310 [ 269.981871] ? syscall_return_slowpath+0x5e0/0x5e0 [ 269.986813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.991658] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.996677] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.002133] ? prepare_exit_to_usermode+0x291/0x3b0 [ 270.007152] ? page_fault+0x8/0x30 [ 270.010699] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.015546] ? page_fault+0x8/0x30 [ 270.019098] page_fault+0x1e/0x30 [ 270.022551] RIP: 0033:0x45ddf3 [ 270.025754] Code: Bad RIP value. [ 270.029115] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 270.034473] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 270.041743] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 270.049012] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 270.056277] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 270.063542] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 270.070837] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 270.070842] warn_alloc_show_mem: 1 callbacks suppressed [ 270.070849] Mem-Info: [ 270.077874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.083254] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 270.083254] active_file:10 inactive_file:13 isolated_file:0 [ 270.083254] unevictable:0 dirty:0 writeback:0 unstable:0 [ 270.083254] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 270.083254] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 270.083254] free:13776 free_pcp:523 free_cma:0 [ 270.085628] Call Trace: [ 270.095019] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 270.128037] [ 270.130608] 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 [ 270.158285] dump_stack+0x244/0x39d [ 270.160408] lowmem_reserve[]: 0 2818 6321 6321 [ 270.186521] ? dump_stack_print_info.cold.1+0x20/0x20 [ 270.190115] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 270.194695] warn_alloc.cold.116+0xb7/0x1bd [ 270.199869] lowmem_reserve[]: 0 0 3503 3503 [ 270.227197] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.231490] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 270.235806] ? lock_downgrade+0x900/0x900 [ 270.240621] lowmem_reserve[]: 0 0 0 0 [ 270.269679] ? trace_hardirqs_off+0xb8/0x310 [ 270.273797] 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 [ 270.277593] ? trace_hardirqs_off+0xb8/0x310 [ 270.281978] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 270.295529] __alloc_pages_slowpath+0x2651/0x2de0 [ 270.299912] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 270.315033] ? warn_alloc+0x120/0x120 [ 270.319850] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 270.334227] ? print_usage_bug+0xc0/0xc0 [ 270.338009] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 270.346854] ? warn_alloc+0x120/0x120 [ 270.350900] 1516 total pagecache pages [ 270.359469] ? warn_alloc+0x120/0x120 [ 270.363257] 0 pages in swap cache [ 270.367128] ? print_usage_bug+0xc0/0xc0 [ 270.370935] Swap cache stats: add 0, delete 0, find 0/0 [ 270.374401] ? kvm_clock_read+0x18/0x30 [ 270.378460] Free swap = 0kB [ 270.383823] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 270.387770] Total swap = 0kB [ 270.390785] ? print_usage_bug+0xc0/0xc0 [ 270.395774] 1965979 pages RAM [ 270.398784] ? __lock_acquire+0x62f/0x4c20 [ 270.402823] 0 pages HighMem/MovableOnly [ 270.405922] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.410130] 342854 pages reserved [ 270.414096] ? should_fail+0x22d/0xd01 [ 270.419608] 0 pages cma reserved [ 270.423054] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 270.426998] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.430289] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.430304] ? __lock_acquire+0x62f/0x4c20 [ 270.430321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.435639] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.442066] ? __lock_acquire+0x62f/0x4c20 [ 270.447144] syz-fuzzer cpuset=/ mems_allowed=0 [ 270.451371] ? should_fail+0x22d/0xd01 [ 270.479317] ? rcu_irq_exit+0x1a2/0x390 [ 270.483304] ? mark_held_locks+0x130/0x130 [ 270.487547] ? mark_held_locks+0x130/0x130 [ 270.491792] ? mark_held_locks+0xc7/0x130 [ 270.495946] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 270.500962] ? zap_class+0x640/0x640 [ 270.504679] ? print_usage_bug+0xc0/0xc0 [ 270.508745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.514286] ? check_preemption_disabled+0x48/0x280 [ 270.519342] ? __lock_is_held+0xb5/0x140 [ 270.523415] __alloc_pages_nodemask+0xad8/0xea0 [ 270.528085] ? zap_class+0x640/0x640 [ 270.531804] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 270.536831] ? find_held_lock+0x36/0x1c0 [ 270.540924] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.545607] ? lock_downgrade+0x900/0x900 [ 270.549782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.555324] cache_grow_begin+0xa5/0x8c0 [ 270.559385] ? do_raw_spin_unlock+0xa7/0x330 [ 270.563809] fallback_alloc+0x204/0x2e0 [ 270.567804] ____cache_alloc_node+0x1c7/0x1e0 [ 270.572305] kmem_cache_alloc_node+0xe3/0x730 [ 270.576802] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.581053] __alloc_skb+0x119/0x770 [ 270.584769] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 270.590051] ? netdev_alloc_frag+0x1f0/0x1f0 [ 270.594459] ? lock_downgrade+0x900/0x900 [ 270.598616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.604157] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.609610] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.615062] ? addrconf_rs_timer+0x690/0x690 [ 270.619481] ndisc_alloc_skb+0x144/0x340 [ 270.623561] ndisc_send_rs+0x331/0x6e0 [ 270.627456] addrconf_rs_timer+0x314/0x690 [ 270.631714] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.636010] call_timer_fn+0x272/0x920 [ 270.639904] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.644158] ? process_timeout+0x40/0x40 [ 270.648245] ? mark_held_locks+0xc7/0x130 [ 270.652402] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.656918] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.661457] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.665693] ? lockdep_hardirqs_on+0x296/0x5b0 [ 270.670276] ? trace_hardirqs_on+0xbd/0x310 [ 270.674596] ? kasan_check_read+0x11/0x20 [ 270.678745] ? __run_timers+0x7da/0xc70 [ 270.682729] ? trace_hardirqs_off_caller+0x310/0x310 [ 270.687845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.692086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.696324] __run_timers+0x7e5/0xc70 [ 270.700134] ? timer_fixup_init+0x70/0x70 [ 270.704299] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 270.709364] ? zap_class+0x640/0x640 [ 270.713116] ? print_usage_bug+0xc0/0xc0 [ 270.717193] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 270.722402] ? find_held_lock+0x36/0x1c0 [ 270.726470] ? zap_class+0x640/0x640 [ 270.730191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.735733] ? check_preemption_disabled+0x48/0x280 [ 270.740933] ? __lock_is_held+0xb5/0x140 [ 270.744999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.750541] ? check_preemption_disabled+0x48/0x280 [ 270.755563] run_timer_softirq+0x52/0xb0 [ 270.759625] ? rcu_read_lock_sched_held+0x14f/0x180 [ 270.764642] __do_softirq+0x308/0xb7e [ 270.768450] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 270.772946] ? lock_downgrade+0x900/0x900 [ 270.777102] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 270.782218] ? pvclock_read_flags+0x160/0x160 [ 270.786716] ? lapic_next_event+0x5a/0x90 [ 270.790867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.796421] ? kvm_clock_read+0x18/0x30 [ 270.800403] ? kvm_sched_clock_read+0x9/0x20 [ 270.804818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.810363] ? check_preemption_disabled+0x48/0x280 [ 270.815399] irq_exit+0x17f/0x1c0 [ 270.818854] smp_apic_timer_interrupt+0x1cb/0x760 [ 270.823703] ? smp_reschedule_interrupt+0x109/0x650 [ 270.828723] ? smp_call_function_single_interrupt+0x650/0x650 [ 270.834624] ? interrupt_entry+0xb5/0xc0 [ 270.838690] ? trace_hardirqs_off_caller+0xbb/0x310 [ 270.843704] ? trace_hardirqs_off_caller+0xbb/0x310 [ 270.848722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.853570] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.858586] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.863600] ? task_prio+0x50/0x50 [ 270.867142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.872723] ? check_preemption_disabled+0x48/0x280 [ 270.877745] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.882594] apic_timer_interrupt+0xf/0x20 [ 270.886845] [ 270.889141] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 270.894072] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 270.912983] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 270.920711] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 270.927993] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 270.935263] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 270.942532] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 270.949797] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 270.957097] rcu_read_lock_held+0xa9/0xc0 [ 270.961259] list_lru_count_one+0x31a/0x450 [ 270.965581] ? list_lru_isolate_move+0x3c0/0x3c0 [ 270.970340] ? deferred_split_count+0x65/0x170 [ 270.974921] ? shrink_huge_zero_page_count+0xc8/0x100 [ 270.980119] super_cache_count+0x153/0x2e0 [ 270.984362] do_shrink_slab+0x1b1/0xd30 [ 270.988350] ? lock_acquire+0x1ed/0x520 [ 270.992328] ? snapshot_refaults+0x290/0x290 [ 270.996737] ? lock_release+0xa00/0xa00 [ 271.000731] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 271.005671] ? down_read_trylock+0xda/0x140 [ 271.009992] ? shrink_slab+0x207/0x8c0 [ 271.013889] ? downgrade_write+0x270/0x270 [ 271.018136] shrink_slab+0x389/0x8c0 [ 271.021859] ? shrink_active_list+0x1f00/0x1f00 [ 271.026543] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 271.032170] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 271.037283] ? cgroup_procs_write_finish+0xf0/0xf0 [ 271.042220] ? find_held_lock+0x36/0x1c0 [ 271.046291] shrink_node+0x431/0x16b0 [ 271.050091] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 271.055415] ? shrink_node_memcg+0x18f0/0x18f0 [ 271.060006] ? kvm_clock_read+0x18/0x30 [ 271.063986] ? ktime_get+0x2c1/0x400 [ 271.067703] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 271.072202] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 271.077738] ? __cpuset_node_allowed+0x19b/0x660 [ 271.082496] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 271.088212] ? delayacct_end+0x5a/0x100 [ 271.092200] do_try_to_free_pages+0x3e7/0x1290 [ 271.096783] ? zap_class+0x640/0x640 [ 271.100534] ? shrink_node+0x16b0/0x16b0 [ 271.104622] ? __lock_is_held+0xb5/0x140 [ 271.108709] try_to_free_pages+0x4d0/0xb90 [ 271.112973] ? do_try_to_free_pages+0x1290/0x1290 [ 271.117828] ? lock_acquire+0x1ed/0x520 [ 271.121802] ? set_page_refcounted+0x280/0x280 [ 271.126425] ? lock_release+0xa00/0xa00 [ 271.130408] ? _raw_spin_unlock_irq+0x60/0x80 [ 271.134914] ? psi_memstall_enter+0x240/0x2b0 [ 271.139417] ? psi_memstall_tick+0x230/0x230 [ 271.143841] __alloc_pages_slowpath+0xa48/0x2de0 [ 271.148643] ? warn_alloc+0x120/0x120 [ 271.152446] ? mark_held_locks+0x130/0x130 [ 271.156686] ? find_get_entry+0xaae/0x1120 [ 271.160931] ? filemap_map_pages+0x1a20/0x1a20 [ 271.165522] ? zap_class+0x640/0x640 [ 271.169248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.174786] ? check_preemption_disabled+0x48/0x280 [ 271.179804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.185343] ? should_fail+0x22d/0xd01 [ 271.189269] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.194375] ? zap_class+0x640/0x640 [ 271.198124] ? __lock_is_held+0xb5/0x140 [ 271.202194] ? mark_held_locks+0x130/0x130 [ 271.206430] ? lock_release+0xa00/0xa00 [ 271.210409] ? perf_trace_sched_process_exec+0x860/0x860 [ 271.215863] ? xa_load+0x2ba/0x460 [ 271.219415] ? lock_downgrade+0x900/0x900 [ 271.223602] ? __might_sleep+0x95/0x190 [ 271.227585] __alloc_pages_nodemask+0xad8/0xea0 [ 271.232261] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 271.237279] ? __page_cache_alloc+0x191/0x5c0 [ 271.241775] ? xa_load+0x2e1/0x460 [ 271.245313] ? xa_clear_mark+0x40/0x40 [ 271.249200] ? zap_class+0x640/0x640 [ 271.252926] ? zap_class+0x640/0x640 [ 271.256645] ? zap_class+0x640/0x640 [ 271.260364] ? __do_page_cache_readahead+0x663/0x810 [ 271.265476] ? find_held_lock+0x36/0x1c0 [ 271.269554] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 271.275127] alloc_pages_current+0x173/0x350 [ 271.279543] __page_cache_alloc+0x38c/0x5c0 [ 271.283863] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 271.288814] ? kasan_check_read+0x11/0x20 [ 271.292965] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.298244] ? generic_perform_write+0x6a0/0x6a0 [ 271.303006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.308547] ? check_preemption_disabled+0x48/0x280 [ 271.313573] filemap_fault+0x1595/0x25f0 [ 271.317647] ? __lock_page_or_retry+0xa00/0xa00 [ 271.322321] ? mark_held_locks+0x130/0x130 [ 271.326625] ? filemap_map_pages+0xd6b/0x1a20 [ 271.331124] ? lock_downgrade+0x900/0x900 [ 271.335277] ? check_preemption_disabled+0x48/0x280 [ 271.340295] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 271.345227] ? kasan_check_read+0x11/0x20 [ 271.349373] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.354654] ? rcu_softirq_qs+0x20/0x20 [ 271.358642] ? filemap_map_pages+0xd92/0x1a20 [ 271.363141] ? print_usage_bug+0xc0/0xc0 [ 271.367208] ? find_get_entries_tag+0x1400/0x1400 [ 271.372050] ? __kasan_slab_free+0x102/0x150 [ 271.376459] ? kasan_slab_free+0xe/0x10 [ 271.380473] ? kmem_cache_free+0x83/0x290 [ 271.384636] ? __sigqueue_free.part.29+0x74/0x90 [ 271.389416] ? lock_acquire+0x1ed/0x520 [ 271.393391] ? ext4_filemap_fault+0x7a/0xad [ 271.397725] ? lock_release+0xa00/0xa00 [ 271.401712] ? perf_trace_sched_process_exec+0x860/0x860 [ 271.407178] ? print_usage_bug+0xc0/0xc0 [ 271.411239] ? print_usage_bug+0xc0/0xc0 [ 271.415309] ? down_read+0x8d/0x120 [ 271.418934] ? ext4_filemap_fault+0x7a/0xad [ 271.423254] ? __down_interruptible+0x700/0x700 [ 271.427934] ext4_filemap_fault+0x82/0xad [ 271.432088] __do_fault+0x100/0x6b0 [ 271.435751] ? pmd_devmap_trans_unstable+0x220/0x220 [ 271.440870] ? mark_held_locks+0x130/0x130 [ 271.445115] ? mark_held_locks+0x130/0x130 [ 271.449375] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 271.454918] ? rcu_pm_notify+0xc0/0xc0 [ 271.458815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.464367] __handle_mm_fault+0x3ea0/0x5be0 [ 271.468790] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 271.473632] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.478130] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 271.482721] ? trace_hardirqs_on+0xbd/0x310 [ 271.487048] ? kasan_check_read+0x11/0x20 [ 271.491195] ? __set_current_blocked+0xdf/0x120 [ 271.495870] ? trace_hardirqs_off_caller+0x310/0x310 [ 271.500994] ? zap_class+0x640/0x640 [ 271.504707] ? zap_class+0x640/0x640 [ 271.508443] ? find_held_lock+0x36/0x1c0 [ 271.512515] ? handle_mm_fault+0x42a/0xc70 [ 271.516750] ? lock_downgrade+0x900/0x900 [ 271.520908] ? check_preemption_disabled+0x48/0x280 [ 271.525931] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 271.530858] ? kasan_check_read+0x11/0x20 [ 271.535013] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.540291] ? rcu_softirq_qs+0x20/0x20 [ 271.544279] ? trace_hardirqs_off_caller+0x310/0x310 [ 271.549409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.554952] ? check_preemption_disabled+0x48/0x280 [ 271.559982] handle_mm_fault+0x54f/0xc70 [ 271.564052] ? __handle_mm_fault+0x5be0/0x5be0 [ 271.568641] ? find_vma+0x34/0x190 [ 271.572186] __do_page_fault+0x5e8/0xe60 [ 271.576254] ? exit_to_usermode_loop+0x1f4/0x380 [ 271.581020] do_page_fault+0xf2/0x7e0 [ 271.584822] ? vmalloc_sync_all+0x30/0x30 [ 271.588987] ? error_entry+0x70/0xd0 [ 271.592704] ? trace_hardirqs_off_caller+0xbb/0x310 [ 271.597719] ? trace_hardirqs_on_caller+0xc0/0x310 [ 271.602649] ? syscall_return_slowpath+0x5e0/0x5e0 [ 271.607805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.612650] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.617669] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.623124] ? prepare_exit_to_usermode+0x291/0x3b0 [ 271.628163] ? page_fault+0x8/0x30 [ 271.631711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.636555] ? page_fault+0x8/0x30 [ 271.640102] page_fault+0x1e/0x30 [ 271.643551] RIP: 0033:0x45db60 [ 271.646755] Code: Bad RIP value. [ 271.650116] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 271.655478] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 271.662768] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 271.670040] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 271.677305] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 271.684570] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 271.691867] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 271.691949] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 271.698911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.698916] Call Trace: [ 271.698923] [ 271.698945] dump_stack+0x244/0x39d [ 271.698964] ? dump_stack_print_info.cold.1+0x20/0x20 [ 271.705496] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.714795] warn_alloc.cold.116+0xb7/0x1bd [ 271.717349] syz-fuzzer cpuset=/ mems_allowed=0 [ 271.719493] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 271.752178] ? lock_downgrade+0x900/0x900 [ 271.756349] ? trace_hardirqs_off+0xb8/0x310 [ 271.760781] ? trace_hardirqs_off+0xb8/0x310 [ 271.765232] __alloc_pages_slowpath+0x2651/0x2de0 [ 271.770116] ? warn_alloc+0x120/0x120 [ 271.773923] ? print_usage_bug+0xc0/0xc0 [ 271.778000] ? warn_alloc+0x120/0x120 [ 271.781804] ? warn_alloc+0x120/0x120 [ 271.785607] ? print_usage_bug+0xc0/0xc0 [ 271.789687] ? print_usage_bug+0xc0/0xc0 [ 271.793757] ? __lock_acquire+0x62f/0x4c20 [ 271.797999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.803541] ? should_fail+0x22d/0xd01 [ 271.807447] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.812548] ? __lock_acquire+0x62f/0x4c20 [ 271.816784] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.821898] ? __lock_acquire+0x62f/0x4c20 [ 271.826132] ? should_fail+0x22d/0xd01 [ 271.830036] ? find_held_lock+0x36/0x1c0 [ 271.834105] ? mark_held_locks+0x130/0x130 [ 271.838343] ? mark_held_locks+0x130/0x130 [ 271.842576] ? zap_class+0x640/0x640 [ 271.846289] ? zap_class+0x640/0x640 [ 271.850010] ? print_usage_bug+0xc0/0xc0 [ 271.854069] ? do_raw_spin_unlock+0xa7/0x330 [ 271.858478] ? zap_class+0x640/0x640 [ 271.862194] ? print_usage_bug+0xc0/0xc0 [ 271.866252] ? wq_watchdog_touch+0x9c/0xfe [ 271.870496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.876037] ? check_preemption_disabled+0x48/0x280 [ 271.881063] ? __lock_is_held+0xb5/0x140 [ 271.885131] __alloc_pages_nodemask+0xad8/0xea0 [ 271.889806] ? zap_class+0x640/0x640 [ 271.893526] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 271.898559] ? find_held_lock+0x36/0x1c0 [ 271.902632] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.907303] ? lock_downgrade+0x900/0x900 [ 271.911490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.917035] cache_grow_begin+0xa5/0x8c0 [ 271.921100] ? do_raw_spin_unlock+0xa7/0x330 [ 271.925536] fallback_alloc+0x204/0x2e0 [ 271.929517] ____cache_alloc_node+0x1c7/0x1e0 [ 271.934035] kmem_cache_alloc_node+0xe3/0x730 [ 271.938531] ? ipv6_get_ifaddr+0x42e/0x620 [ 271.942776] __alloc_skb+0x119/0x770 [ 271.946491] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.951771] ? netdev_alloc_frag+0x1f0/0x1f0 [ 271.956181] ? lock_downgrade+0x900/0x900 [ 271.960336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.965878] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.971352] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.976805] ? addrconf_rs_timer+0x690/0x690 [ 271.981240] ndisc_alloc_skb+0x144/0x340 [ 271.985305] ndisc_send_rs+0x331/0x6e0 [ 271.989196] addrconf_rs_timer+0x314/0x690 [ 271.993435] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.997679] call_timer_fn+0x272/0x920 [ 272.001579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.005817] ? process_timeout+0x40/0x40 [ 272.009901] ? mark_held_locks+0xc7/0x130 [ 272.014061] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.018555] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.023064] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.027299] ? lockdep_hardirqs_on+0x296/0x5b0 [ 272.031897] ? trace_hardirqs_on+0xbd/0x310 [ 272.036232] ? kasan_check_read+0x11/0x20 [ 272.040380] ? __run_timers+0x7da/0xc70 [ 272.044353] ? trace_hardirqs_off_caller+0x310/0x310 [ 272.049462] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.053703] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.057936] __run_timers+0x7e5/0xc70 [ 272.061749] ? timer_fixup_init+0x70/0x70 [ 272.065917] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 272.070940] ? zap_class+0x640/0x640 [ 272.074657] ? print_usage_bug+0xc0/0xc0 [ 272.078722] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 272.083926] ? find_held_lock+0x36/0x1c0 [ 272.087995] ? zap_class+0x640/0x640 [ 272.091716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.097255] ? check_preemption_disabled+0x48/0x280 [ 272.102283] ? __lock_is_held+0xb5/0x140 [ 272.106351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.111904] ? check_preemption_disabled+0x48/0x280 [ 272.116937] run_timer_softirq+0x52/0xb0 [ 272.121085] ? rcu_read_lock_sched_held+0x14f/0x180 [ 272.126105] __do_softirq+0x308/0xb7e [ 272.129919] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 272.134415] ? lock_downgrade+0x900/0x900 [ 272.138568] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 272.143684] ? pvclock_read_flags+0x160/0x160 [ 272.148186] ? lapic_next_event+0x5a/0x90 [ 272.152336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.157890] ? kvm_clock_read+0x18/0x30 [ 272.161869] ? kvm_sched_clock_read+0x9/0x20 [ 272.166290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.171831] ? check_preemption_disabled+0x48/0x280 [ 272.176858] irq_exit+0x17f/0x1c0 [ 272.180329] smp_apic_timer_interrupt+0x1cb/0x760 [ 272.185172] ? smp_reschedule_interrupt+0x109/0x650 [ 272.190190] ? smp_call_function_single_interrupt+0x650/0x650 [ 272.196074] ? interrupt_entry+0xb5/0xc0 [ 272.200150] ? trace_hardirqs_off_caller+0xbb/0x310 [ 272.205166] ? trace_hardirqs_off_caller+0xbb/0x310 [ 272.210184] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.215028] ? trace_hardirqs_on_caller+0x310/0x310 [ 272.220043] ? trace_hardirqs_on_caller+0x310/0x310 [ 272.225062] ? task_prio+0x50/0x50 [ 272.228608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.234147] ? check_preemption_disabled+0x48/0x280 [ 272.239171] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.244028] apic_timer_interrupt+0xf/0x20 [ 272.248259] [ 272.250502] RIP: 0010:console_unlock+0x102f/0x1190 [ 272.255432] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 272.274334] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 272.282045] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 272.289313] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 272.296579] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 272.303846] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 272.311111] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 272.318392] ? netconsole_netdev_event+0x280/0x280 [ 272.323331] ? console_unlock+0x1026/0x1190 [ 272.327672] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 272.332351] ? lock_release+0xa00/0xa00 [ 272.336327] ? retint_kernel+0x2d/0x2d [ 272.340231] vprintk_emit+0x391/0x990 [ 272.344037] ? wake_up_klogd+0x180/0x180 [ 272.348135] ? match_held_lock+0x811/0x8d0 [ 272.352379] ? mark_held_locks+0xc7/0x130 [ 272.356542] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.361034] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.365539] vprintk_default+0x28/0x30 [ 272.369428] vprintk_func+0x7e/0x181 [ 272.373145] printk+0xa7/0xcf [ 272.376252] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 272.381015] ? _raw_spin_unlock_irq+0x60/0x80 [ 272.385526] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 272.390812] dump_header+0x7cc/0xf72 [ 272.394537] ? pagefault_out_of_memory+0x197/0x197 [ 272.399473] ? __lock_acquire+0x62f/0x4c20 [ 272.403709] ? percpu_ref_get_many+0x240/0x240 [ 272.408328] ? print_usage_bug+0xc0/0xc0 [ 272.412393] ? zap_class+0x640/0x640 [ 272.416114] ? print_usage_bug+0xc0/0xc0 [ 272.420176] ? zap_class+0x640/0x640 [ 272.423906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.429451] ? find_held_lock+0x36/0x1c0 [ 272.433522] ? mark_held_locks+0xc7/0x130 [ 272.437673] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 272.442777] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 272.447889] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 272.452481] ? trace_hardirqs_on+0xbd/0x310 [ 272.456805] ? kasan_check_read+0x11/0x20 [ 272.460957] ? ___ratelimit+0x3b4/0x672 [ 272.464932] ? trace_hardirqs_off_caller+0x310/0x310 [ 272.470042] ? trace_hardirqs_on+0x310/0x310 [ 272.474453] ? lock_downgrade+0x900/0x900 [ 272.478606] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 272.483709] ? ___ratelimit+0x3b9/0x672 [ 272.487688] ? idr_get_free+0xf70/0xf70 [ 272.491663] ? find_held_lock+0x36/0x1c0 [ 272.495731] oom_kill_process.cold.27+0x10/0x903 [ 272.500502] ? zap_class+0x640/0x640 [ 272.504217] ? check_preemption_disabled+0x48/0x280 [ 272.509235] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 272.514163] ? kasan_check_read+0x11/0x20 [ 272.518311] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.523594] ? oom_evaluate_task+0x540/0x540 [ 272.528008] ? find_held_lock+0x36/0x1c0 [ 272.532078] ? out_of_memory+0x974/0x1430 [ 272.536231] ? lock_downgrade+0x900/0x900 [ 272.540386] ? check_preemption_disabled+0x48/0x280 [ 272.545409] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 272.550338] ? kasan_check_read+0x11/0x20 [ 272.554489] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.559767] ? rcu_softirq_qs+0x20/0x20 [ 272.563746] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 272.569283] ? oom_evaluate_task+0x302/0x540 [ 272.573694] out_of_memory+0xa84/0x1430 [ 272.577681] ? oom_killer_disable+0x3a0/0x3a0 [ 272.582223] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 272.587161] ? __ww_mutex_check_waiters+0x160/0x160 [ 272.592189] __alloc_pages_slowpath+0x232c/0x2de0 [ 272.597064] ? warn_alloc+0x120/0x120 [ 272.600865] ? mark_held_locks+0x130/0x130 [ 272.605122] ? find_get_entry+0xaae/0x1120 [ 272.609371] ? filemap_map_pages+0x1a20/0x1a20 [ 272.613962] ? zap_class+0x640/0x640 [ 272.617687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.623229] ? check_preemption_disabled+0x48/0x280 [ 272.628247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.633785] ? should_fail+0x22d/0xd01 [ 272.637680] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.642788] ? zap_class+0x640/0x640 [ 272.646527] ? __lock_is_held+0xb5/0x140 [ 272.650597] ? mark_held_locks+0x130/0x130 [ 272.654839] ? lock_release+0xa00/0xa00 [ 272.658816] ? perf_trace_sched_process_exec+0x860/0x860 [ 272.664271] ? xa_load+0x2ba/0x460 [ 272.667815] ? lock_downgrade+0x900/0x900 [ 272.671969] ? __might_sleep+0x95/0x190 [ 272.676068] __alloc_pages_nodemask+0xad8/0xea0 [ 272.680745] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 272.685768] ? __page_cache_alloc+0x191/0x5c0 [ 272.690261] ? xa_load+0x2e1/0x460 [ 272.693807] ? xa_clear_mark+0x40/0x40 [ 272.697694] ? zap_class+0x640/0x640 [ 272.701408] ? zap_class+0x640/0x640 [ 272.705131] ? zap_class+0x640/0x640 [ 272.708847] ? zap_class+0x640/0x640 [ 272.712562] ? __do_page_cache_readahead+0x663/0x810 [ 272.717670] ? find_held_lock+0x36/0x1c0 [ 272.721741] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 272.727285] alloc_pages_current+0x173/0x350 [ 272.731702] __page_cache_alloc+0x38c/0x5c0 [ 272.736076] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 272.740999] ? kasan_check_read+0x11/0x20 [ 272.745146] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.750427] ? generic_perform_write+0x6a0/0x6a0 [ 272.755187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.760729] ? check_preemption_disabled+0x48/0x280 [ 272.765754] filemap_fault+0x1595/0x25f0 [ 272.769857] ? __lock_page_or_retry+0xa00/0xa00 [ 272.774558] ? mark_held_locks+0x130/0x130 [ 272.778805] ? filemap_map_pages+0xd6b/0x1a20 [ 272.783305] ? lock_downgrade+0x900/0x900 [ 272.787456] ? check_preemption_disabled+0x48/0x280 [ 272.792477] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 272.797407] ? kasan_check_read+0x11/0x20 [ 272.801555] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.806833] ? rcu_softirq_qs+0x20/0x20 [ 272.810822] ? filemap_map_pages+0xd92/0x1a20 [ 272.815322] ? queue_work_on+0x12c/0x1e0 [ 272.819390] ? find_get_entries_tag+0x1400/0x1400 [ 272.824240] ? debug_object_destroy+0x2b0/0x2b0 [ 272.828923] ? lock_pi_update_atomic+0x150/0x150 [ 272.833686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.839240] ? lock_acquire+0x1ed/0x520 [ 272.843238] ? ext4_filemap_fault+0x7a/0xad [ 272.847575] ? lock_release+0xa00/0xa00 [ 272.851548] ? perf_trace_sched_process_exec+0x860/0x860 [ 272.857008] ? print_usage_bug+0xc0/0xc0 [ 272.861074] ? print_usage_bug+0xc0/0xc0 [ 272.865144] ? down_read+0x8d/0x120 [ 272.868773] ? ext4_filemap_fault+0x7a/0xad [ 272.873097] ? __down_interruptible+0x700/0x700 [ 272.877783] ext4_filemap_fault+0x82/0xad [ 272.881940] __do_fault+0x100/0x6b0 [ 272.885571] ? perf_tp_event+0xc20/0xc20 [ 272.889641] ? pmd_devmap_trans_unstable+0x220/0x220 [ 272.894752] ? mark_held_locks+0x130/0x130 [ 272.898990] ? mark_held_locks+0x130/0x130 [ 272.903230] ? debug_smp_processor_id+0x1c/0x20 [ 272.907912] ? perf_trace_lock+0x14d/0x7a0 [ 272.912157] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.917704] __handle_mm_fault+0x3ea0/0x5be0 [ 272.922124] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 272.926968] ? lock_is_held_type+0x210/0x210 [ 272.931382] ? __switch_to_asm+0x34/0x70 [ 272.935442] ? __switch_to_asm+0x34/0x70 [ 272.939521] ? zap_class+0x640/0x640 [ 272.943235] ? zap_class+0x640/0x640 [ 272.946950] ? __x64_sys_futex+0x53e/0x6a0 [ 272.951190] ? find_held_lock+0x36/0x1c0 [ 272.955264] ? handle_mm_fault+0x42a/0xc70 [ 272.959506] ? lock_downgrade+0x900/0x900 [ 272.963657] ? check_preemption_disabled+0x48/0x280 [ 272.968680] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 272.973612] ? kasan_check_read+0x11/0x20 [ 272.977758] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.983039] ? rcu_softirq_qs+0x20/0x20 [ 272.987018] ? trace_hardirqs_off_caller+0x310/0x310 [ 272.992130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.997673] ? check_preemption_disabled+0x48/0x280 [ 273.002698] handle_mm_fault+0x54f/0xc70 [ 273.006766] ? __handle_mm_fault+0x5be0/0x5be0 [ 273.011356] ? find_vma+0x34/0x190 [ 273.014914] __do_page_fault+0x5e8/0xe60 [ 273.018981] ? trace_hardirqs_off+0xb8/0x310 [ 273.023403] do_page_fault+0xf2/0x7e0 [ 273.027205] ? vmalloc_sync_all+0x30/0x30 [ 273.031357] ? error_entry+0x70/0xd0 [ 273.035073] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.040087] ? trace_hardirqs_on_caller+0xc0/0x310 [ 273.045022] ? syscall_return_slowpath+0x5e0/0x5e0 [ 273.049962] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.054807] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.059822] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.065287] ? prepare_exit_to_usermode+0x291/0x3b0 [ 273.070315] ? page_fault+0x8/0x30 [ 273.073860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.078724] ? page_fault+0x8/0x30 [ 273.082269] page_fault+0x1e/0x30 [ 273.085722] RIP: 0033:0x45ddf3 [ 273.088933] Code: Bad RIP value. [ 273.092297] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 273.097657] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 273.104927] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 273.112197] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 273.119462] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 273.126727] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 273.134021] warn_alloc_show_mem: 1 callbacks suppressed [ 273.134033] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 273.134035] Mem-Info: [ 273.134065] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 273.134065] active_file:10 inactive_file:13 isolated_file:0 [ 273.134065] unevictable:0 dirty:0 writeback:0 unstable:0 [ 273.134065] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 273.134065] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 273.134065] free:13776 free_pcp:523 free_cma:0 [ 273.139414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.146430] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 273.148833] Call Trace: [ 273.181876] 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 [ 273.191227] [ 273.191251] dump_stack+0x244/0x39d [ 273.218910] lowmem_reserve[]: 0 2818 6321 6321 [ 273.221505] ? dump_stack_print_info.cold.1+0x20/0x20 [ 273.247585] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 273.249742] warn_alloc.cold.116+0xb7/0x1bd [ 273.253331] lowmem_reserve[]: 0 0 3503 3503 [ 273.257920] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.257939] ? lock_downgrade+0x900/0x900 [ 273.263105] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 273.290690] ? trace_hardirqs_off+0xb8/0x310 [ 273.294988] lowmem_reserve[]: 0 0 0 0 [ 273.299310] ? trace_hardirqs_off+0xb8/0x310 [ 273.304131] 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 [ 273.308279] __alloc_pages_slowpath+0x2651/0x2de0 [ 273.337313] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 273.341742] ? warn_alloc+0x120/0x120 [ 273.345489] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 273.349897] ? print_usage_bug+0xc0/0xc0 [ 273.363408] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 273.368237] ? warn_alloc+0x120/0x120 [ 273.383306] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 273.387094] ? warn_alloc+0x120/0x120 [ 273.401458] 1516 total pagecache pages [ 273.405512] ? print_usage_bug+0xc0/0xc0 [ 273.414331] 0 pages in swap cache [ 273.418115] ? print_usage_bug+0xc0/0xc0 [ 273.426670] Swap cache stats: add 0, delete 0, find 0/0 [ 273.430474] ? __lock_acquire+0x62f/0x4c20 [ 273.434340] Free swap = 0kB [ 273.438401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.441818] Total swap = 0kB [ 273.445876] ? should_fail+0x22d/0xd01 [ 273.451222] 1965979 pages RAM [ 273.455451] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.458445] 0 pages HighMem/MovableOnly [ 273.463982] ? __lock_acquire+0x62f/0x4c20 [ 273.466981] 342854 pages reserved [ 273.470863] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.473954] 0 pages cma reserved [ 273.479049] ? __lock_acquire+0x62f/0x4c20 [ 273.483065] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.487219] ? should_fail+0x22d/0xd01 [ 273.487233] ? find_held_lock+0x36/0x1c0 [ 273.487255] ? mark_held_locks+0x130/0x130 [ 273.490750] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.495789] ? mark_held_locks+0x130/0x130 [ 273.499133] syz-fuzzer cpuset=/ mems_allowed=0 [ 273.503362] ? zap_class+0x640/0x640 [ 273.544666] ? zap_class+0x640/0x640 [ 273.548384] ? print_usage_bug+0xc0/0xc0 [ 273.552447] ? do_raw_spin_unlock+0xa7/0x330 [ 273.556856] ? zap_class+0x640/0x640 [ 273.560582] ? print_usage_bug+0xc0/0xc0 [ 273.564642] ? wq_watchdog_touch+0x9c/0xfe [ 273.568880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.574436] ? check_preemption_disabled+0x48/0x280 [ 273.579464] ? __lock_is_held+0xb5/0x140 [ 273.583538] __alloc_pages_nodemask+0xad8/0xea0 [ 273.588209] ? zap_class+0x640/0x640 [ 273.591931] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 273.596961] ? find_held_lock+0x36/0x1c0 [ 273.601034] ? ____cache_alloc_node+0x1c7/0x1e0 [ 273.605919] ? lock_downgrade+0x900/0x900 [ 273.610077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.615623] cache_grow_begin+0xa5/0x8c0 [ 273.619684] ? do_raw_spin_unlock+0xa7/0x330 [ 273.624102] fallback_alloc+0x204/0x2e0 [ 273.628087] ____cache_alloc_node+0x1c7/0x1e0 [ 273.632589] kmem_cache_alloc_node+0xe3/0x730 [ 273.637087] ? ipv6_get_ifaddr+0x42e/0x620 [ 273.641336] __alloc_skb+0x119/0x770 [ 273.645052] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 273.650332] ? netdev_alloc_frag+0x1f0/0x1f0 [ 273.654740] ? lock_downgrade+0x900/0x900 [ 273.658908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.664455] ? refcount_sub_and_test_checked+0x203/0x310 [ 273.669917] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 273.675370] ? addrconf_rs_timer+0x690/0x690 [ 273.679793] ndisc_alloc_skb+0x144/0x340 [ 273.683862] ndisc_send_rs+0x331/0x6e0 [ 273.687764] addrconf_rs_timer+0x314/0x690 [ 273.692006] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.696253] call_timer_fn+0x272/0x920 [ 273.700141] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.704377] ? process_timeout+0x40/0x40 [ 273.708470] ? mark_held_locks+0xc7/0x130 [ 273.712622] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.717120] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.721617] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.725856] ? lockdep_hardirqs_on+0x296/0x5b0 [ 273.730450] ? trace_hardirqs_on+0xbd/0x310 [ 273.734804] ? kasan_check_read+0x11/0x20 [ 273.738957] ? __run_timers+0x7da/0xc70 [ 273.742937] ? trace_hardirqs_off_caller+0x310/0x310 [ 273.748051] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.752291] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.756527] __run_timers+0x7e5/0xc70 [ 273.760344] ? timer_fixup_init+0x70/0x70 [ 273.764497] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 273.769518] ? zap_class+0x640/0x640 [ 273.773238] ? print_usage_bug+0xc0/0xc0 [ 273.777306] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 273.782510] ? find_held_lock+0x36/0x1c0 [ 273.786579] ? zap_class+0x640/0x640 [ 273.790302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.795847] ? check_preemption_disabled+0x48/0x280 [ 273.800874] ? __lock_is_held+0xb5/0x140 [ 273.804959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.810504] ? check_preemption_disabled+0x48/0x280 [ 273.815526] run_timer_softirq+0x52/0xb0 [ 273.819591] ? rcu_read_lock_sched_held+0x14f/0x180 [ 273.824611] __do_softirq+0x308/0xb7e [ 273.828421] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 273.832924] ? lock_downgrade+0x900/0x900 [ 273.837081] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 273.842192] ? pvclock_read_flags+0x160/0x160 [ 273.846692] ? lapic_next_event+0x5a/0x90 [ 273.850853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.856406] ? kvm_clock_read+0x18/0x30 [ 273.860386] ? kvm_sched_clock_read+0x9/0x20 [ 273.864807] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.870346] ? check_preemption_disabled+0x48/0x280 [ 273.875372] irq_exit+0x17f/0x1c0 [ 273.878833] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.883676] ? smp_reschedule_interrupt+0x109/0x650 [ 273.888700] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.894597] ? interrupt_entry+0xb5/0xc0 [ 273.898674] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.903690] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.908753] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.913612] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.918640] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.923674] ? task_prio+0x50/0x50 [ 273.927219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.932761] ? check_preemption_disabled+0x48/0x280 [ 273.937784] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.942638] apic_timer_interrupt+0xf/0x20 [ 273.946869] [ 273.949118] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 273.954051] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 273.972954] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 273.980661] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 273.987945] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 273.995216] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 274.002483] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 274.009751] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 274.017060] rcu_read_lock_held+0xa9/0xc0 [ 274.021209] list_lru_count_one+0x31a/0x450 [ 274.025534] ? list_lru_isolate_move+0x3c0/0x3c0 [ 274.030296] ? deferred_split_count+0x65/0x170 [ 274.034892] ? shrink_huge_zero_page_count+0xc8/0x100 [ 274.040097] super_cache_count+0x153/0x2e0 [ 274.044345] do_shrink_slab+0x1b1/0xd30 [ 274.048327] ? lock_acquire+0x1ed/0x520 [ 274.052313] ? snapshot_refaults+0x290/0x290 [ 274.056726] ? lock_release+0xa00/0xa00 [ 274.060709] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 274.065651] ? down_read_trylock+0xda/0x140 [ 274.069972] ? shrink_slab+0x207/0x8c0 [ 274.073860] ? downgrade_write+0x270/0x270 [ 274.078114] shrink_slab+0x389/0x8c0 [ 274.081828] ? shrink_active_list+0x1f00/0x1f00 [ 274.086508] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 274.092136] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.097251] ? cgroup_procs_write_finish+0xf0/0xf0 [ 274.102191] ? find_held_lock+0x36/0x1c0 [ 274.106267] shrink_node+0x431/0x16b0 [ 274.110073] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 274.115377] ? shrink_node_memcg+0x18f0/0x18f0 [ 274.119973] ? kvm_clock_read+0x18/0x30 [ 274.123952] ? ktime_get+0x2c1/0x400 [ 274.127672] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 274.132174] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 274.137715] ? __cpuset_node_allowed+0x19b/0x660 [ 274.142474] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 274.148188] ? delayacct_end+0x5a/0x100 [ 274.152178] do_try_to_free_pages+0x3e7/0x1290 [ 274.156760] ? zap_class+0x640/0x640 [ 274.160495] ? shrink_node+0x16b0/0x16b0 [ 274.164556] ? __lock_is_held+0xb5/0x140 [ 274.168629] try_to_free_pages+0x4d0/0xb90 [ 274.172868] ? do_try_to_free_pages+0x1290/0x1290 [ 274.177735] ? lock_acquire+0x1ed/0x520 [ 274.181711] ? set_page_refcounted+0x280/0x280 [ 274.186299] ? lock_release+0xa00/0xa00 [ 274.190274] ? _raw_spin_unlock_irq+0x60/0x80 [ 274.194774] ? psi_memstall_enter+0x240/0x2b0 [ 274.199276] ? psi_memstall_tick+0x230/0x230 [ 274.203699] __alloc_pages_slowpath+0xa48/0x2de0 [ 274.208485] ? warn_alloc+0x120/0x120 [ 274.212287] ? mark_held_locks+0x130/0x130 [ 274.216535] ? find_get_entry+0xaae/0x1120 [ 274.220778] ? filemap_map_pages+0x1a20/0x1a20 [ 274.225382] ? zap_class+0x640/0x640 [ 274.229109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.234677] ? check_preemption_disabled+0x48/0x280 [ 274.239696] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.245238] ? should_fail+0x22d/0xd01 [ 274.249130] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.254234] ? zap_class+0x640/0x640 [ 274.257972] ? __lock_is_held+0xb5/0x140 [ 274.262045] ? mark_held_locks+0x130/0x130 [ 274.266283] ? lock_release+0xa00/0xa00 [ 274.270261] ? perf_trace_sched_process_exec+0x860/0x860 [ 274.275710] ? xa_load+0x2ba/0x460 [ 274.279254] ? lock_downgrade+0x900/0x900 [ 274.283410] ? __might_sleep+0x95/0x190 [ 274.287391] __alloc_pages_nodemask+0xad8/0xea0 [ 274.292075] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 274.297093] ? __page_cache_alloc+0x191/0x5c0 [ 274.301586] ? xa_load+0x2e1/0x460 [ 274.305127] ? xa_clear_mark+0x40/0x40 [ 274.309020] ? zap_class+0x640/0x640 [ 274.312742] ? zap_class+0x640/0x640 [ 274.316455] ? zap_class+0x640/0x640 [ 274.320170] ? __do_page_cache_readahead+0x663/0x810 [ 274.325277] ? find_held_lock+0x36/0x1c0 [ 274.329358] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 274.334931] alloc_pages_current+0x173/0x350 [ 274.339349] __page_cache_alloc+0x38c/0x5c0 [ 274.343668] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 274.348596] ? kasan_check_read+0x11/0x20 [ 274.352745] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 274.358025] ? generic_perform_write+0x6a0/0x6a0 [ 274.362784] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.368324] ? check_preemption_disabled+0x48/0x280 [ 274.373355] filemap_fault+0x1595/0x25f0 [ 274.377433] ? __lock_page_or_retry+0xa00/0xa00 [ 274.382105] ? mark_held_locks+0x130/0x130 [ 274.386350] ? filemap_map_pages+0xd6b/0x1a20 [ 274.390849] ? lock_downgrade+0x900/0x900 [ 274.395004] ? check_preemption_disabled+0x48/0x280 [ 274.400036] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 274.404965] ? kasan_check_read+0x11/0x20 [ 274.409113] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 274.414416] ? rcu_softirq_qs+0x20/0x20 [ 274.418414] ? filemap_map_pages+0xd92/0x1a20 [ 274.422923] ? print_usage_bug+0xc0/0xc0 [ 274.426998] ? find_get_entries_tag+0x1400/0x1400 [ 274.431839] ? __kasan_slab_free+0x102/0x150 [ 274.436247] ? kasan_slab_free+0xe/0x10 [ 274.440226] ? kmem_cache_free+0x83/0x290 [ 274.444373] ? __sigqueue_free.part.29+0x74/0x90 [ 274.449150] ? lock_acquire+0x1ed/0x520 [ 274.453127] ? ext4_filemap_fault+0x7a/0xad [ 274.457457] ? lock_release+0xa00/0xa00 [ 274.461430] ? perf_trace_sched_process_exec+0x860/0x860 [ 274.466893] ? print_usage_bug+0xc0/0xc0 [ 274.470965] ? print_usage_bug+0xc0/0xc0 [ 274.475038] ? down_read+0x8d/0x120 [ 274.478662] ? ext4_filemap_fault+0x7a/0xad [ 274.482987] ? __down_interruptible+0x700/0x700 [ 274.487663] ext4_filemap_fault+0x82/0xad [ 274.491812] __do_fault+0x100/0x6b0 [ 274.495460] ? pmd_devmap_trans_unstable+0x220/0x220 [ 274.500585] ? mark_held_locks+0x130/0x130 [ 274.504834] ? mark_held_locks+0x130/0x130 [ 274.509073] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 274.514629] ? rcu_pm_notify+0xc0/0xc0 [ 274.518524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.524073] __handle_mm_fault+0x3ea0/0x5be0 [ 274.528491] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 274.533335] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.537834] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 274.542420] ? trace_hardirqs_on+0xbd/0x310 [ 274.546742] ? kasan_check_read+0x11/0x20 [ 274.550896] ? __set_current_blocked+0xdf/0x120 [ 274.555568] ? trace_hardirqs_off_caller+0x310/0x310 [ 274.560685] ? zap_class+0x640/0x640 [ 274.564404] ? zap_class+0x640/0x640 [ 274.568128] ? find_held_lock+0x36/0x1c0 [ 274.572206] ? handle_mm_fault+0x42a/0xc70 [ 274.576444] ? lock_downgrade+0x900/0x900 [ 274.580597] ? check_preemption_disabled+0x48/0x280 [ 274.585617] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 274.590565] ? kasan_check_read+0x11/0x20 [ 274.594718] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 274.599994] ? rcu_softirq_qs+0x20/0x20 [ 274.603969] ? trace_hardirqs_off_caller+0x310/0x310 [ 274.609077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.614619] ? check_preemption_disabled+0x48/0x280 [ 274.619644] handle_mm_fault+0x54f/0xc70 [ 274.623712] ? __handle_mm_fault+0x5be0/0x5be0 [ 274.628299] ? find_vma+0x34/0x190 [ 274.631848] __do_page_fault+0x5e8/0xe60 [ 274.635918] ? exit_to_usermode_loop+0x1f4/0x380 [ 274.640685] do_page_fault+0xf2/0x7e0 [ 274.644487] ? vmalloc_sync_all+0x30/0x30 [ 274.648635] ? error_entry+0x70/0xd0 [ 274.652352] ? trace_hardirqs_off_caller+0xbb/0x310 [ 274.657368] ? trace_hardirqs_on_caller+0xc0/0x310 [ 274.662301] ? syscall_return_slowpath+0x5e0/0x5e0 [ 274.667229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.672074] ? trace_hardirqs_on_caller+0x310/0x310 [ 274.677092] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.682551] ? prepare_exit_to_usermode+0x291/0x3b0 [ 274.687613] ? page_fault+0x8/0x30 [ 274.691160] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.696015] ? page_fault+0x8/0x30 [ 274.699562] page_fault+0x1e/0x30 [ 274.703043] RIP: 0033:0x45db60 [ 274.706249] Code: Bad RIP value. [ 274.709610] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 274.714971] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 274.722280] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 274.729549] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 274.737017] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 274.744284] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 274.751581] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 274.751651] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 274.758600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 274.758605] Call Trace: [ 274.758612] [ 274.758635] dump_stack+0x244/0x39d [ 274.758656] ? dump_stack_print_info.cold.1+0x20/0x20 [ 274.765385] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.774532] warn_alloc.cold.116+0xb7/0x1bd [ 274.777385] syz-fuzzer cpuset=/ mems_allowed=0 [ 274.779531] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 274.779551] ? lock_downgrade+0x900/0x900 [ 274.816608] ? trace_hardirqs_off+0xb8/0x310 [ 274.821045] ? trace_hardirqs_off+0xb8/0x310 [ 274.825467] __alloc_pages_slowpath+0x2651/0x2de0 [ 274.830350] ? warn_alloc+0x120/0x120 [ 274.834156] ? print_usage_bug+0xc0/0xc0 [ 274.838221] ? warn_alloc+0x120/0x120 [ 274.842031] ? warn_alloc+0x120/0x120 [ 274.845844] ? print_usage_bug+0xc0/0xc0 [ 274.849927] ? print_usage_bug+0xc0/0xc0 [ 274.853995] ? __lock_acquire+0x62f/0x4c20 [ 274.858241] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.863782] ? should_fail+0x22d/0xd01 [ 274.867675] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.872796] ? __lock_acquire+0x62f/0x4c20 [ 274.877052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.882157] ? __lock_acquire+0x62f/0x4c20 [ 274.886393] ? should_fail+0x22d/0xd01 [ 274.890285] ? find_held_lock+0x36/0x1c0 [ 274.894359] ? mark_held_locks+0x130/0x130 [ 274.898603] ? mark_held_locks+0x130/0x130 [ 274.902835] ? zap_class+0x640/0x640 [ 274.906552] ? zap_class+0x640/0x640 [ 274.910268] ? print_usage_bug+0xc0/0xc0 [ 274.914336] ? do_raw_spin_unlock+0xa7/0x330 [ 274.918743] ? zap_class+0x640/0x640 [ 274.922461] ? print_usage_bug+0xc0/0xc0 [ 274.926522] ? wq_watchdog_touch+0x9c/0xfe [ 274.930777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.936320] ? check_preemption_disabled+0x48/0x280 [ 274.941348] ? __lock_is_held+0xb5/0x140 [ 274.945419] __alloc_pages_nodemask+0xad8/0xea0 [ 274.950142] ? zap_class+0x640/0x640 [ 274.953866] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 274.958921] ? find_held_lock+0x36/0x1c0 [ 274.963027] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.967697] ? lock_downgrade+0x900/0x900 [ 274.971857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.977415] cache_grow_begin+0xa5/0x8c0 [ 274.981476] ? do_raw_spin_unlock+0xa7/0x330 [ 274.985904] fallback_alloc+0x204/0x2e0 [ 274.989903] ____cache_alloc_node+0x1c7/0x1e0 [ 274.995707] kmem_cache_alloc_node+0xe3/0x730 [ 275.000206] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.004468] __alloc_skb+0x119/0x770 [ 275.008188] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.013476] ? netdev_alloc_frag+0x1f0/0x1f0 [ 275.017901] ? lock_downgrade+0x900/0x900 [ 275.022060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.027613] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.033086] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.038545] ? addrconf_rs_timer+0x690/0x690 [ 275.042977] ndisc_alloc_skb+0x144/0x340 [ 275.047046] ndisc_send_rs+0x331/0x6e0 [ 275.050956] addrconf_rs_timer+0x314/0x690 [ 275.055202] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.059453] call_timer_fn+0x272/0x920 [ 275.063340] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.067585] ? process_timeout+0x40/0x40 [ 275.071666] ? mark_held_locks+0xc7/0x130 [ 275.075823] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.080317] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.084812] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.089050] ? lockdep_hardirqs_on+0x296/0x5b0 [ 275.093636] ? trace_hardirqs_on+0xbd/0x310 [ 275.097958] ? kasan_check_read+0x11/0x20 [ 275.102106] ? __run_timers+0x7da/0xc70 [ 275.106085] ? trace_hardirqs_off_caller+0x310/0x310 [ 275.111203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.115444] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.119696] __run_timers+0x7e5/0xc70 [ 275.123543] ? timer_fixup_init+0x70/0x70 [ 275.127700] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 275.132718] ? zap_class+0x640/0x640 [ 275.136443] ? print_usage_bug+0xc0/0xc0 [ 275.140512] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 275.145709] ? find_held_lock+0x36/0x1c0 [ 275.149779] ? zap_class+0x640/0x640 [ 275.153502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.159044] ? check_preemption_disabled+0x48/0x280 [ 275.164071] ? __lock_is_held+0xb5/0x140 [ 275.168136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.173675] ? check_preemption_disabled+0x48/0x280 [ 275.178702] run_timer_softirq+0x52/0xb0 [ 275.182767] ? rcu_read_lock_sched_held+0x14f/0x180 [ 275.187785] __do_softirq+0x308/0xb7e [ 275.191588] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 275.196081] ? lock_downgrade+0x900/0x900 [ 275.200236] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 275.205352] ? pvclock_read_flags+0x160/0x160 [ 275.209852] ? lapic_next_event+0x5a/0x90 [ 275.214015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.219557] ? kvm_clock_read+0x18/0x30 [ 275.223532] ? kvm_sched_clock_read+0x9/0x20 [ 275.227947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.233485] ? check_preemption_disabled+0x48/0x280 [ 275.238513] irq_exit+0x17f/0x1c0 [ 275.241971] smp_apic_timer_interrupt+0x1cb/0x760 [ 275.246814] ? smp_reschedule_interrupt+0x109/0x650 [ 275.251831] ? smp_call_function_single_interrupt+0x650/0x650 [ 275.257719] ? interrupt_entry+0xb5/0xc0 [ 275.261797] ? trace_hardirqs_off_caller+0xbb/0x310 [ 275.266816] ? trace_hardirqs_off_caller+0xbb/0x310 [ 275.271838] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.276682] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.281695] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.286713] ? task_prio+0x50/0x50 [ 275.290257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.295802] ? check_preemption_disabled+0x48/0x280 [ 275.300826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.305693] apic_timer_interrupt+0xf/0x20 [ 275.309922] [ 275.312160] RIP: 0010:console_unlock+0x102f/0x1190 [ 275.317089] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 275.335997] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 275.343721] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 275.350990] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 275.358257] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 275.365527] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 275.372794] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 275.380079] ? netconsole_netdev_event+0x280/0x280 [ 275.385023] ? console_unlock+0x1026/0x1190 [ 275.389369] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 275.394045] ? lock_release+0xa00/0xa00 [ 275.398030] ? retint_kernel+0x2d/0x2d [ 275.401937] vprintk_emit+0x391/0x990 [ 275.405745] ? wake_up_klogd+0x180/0x180 [ 275.409818] ? match_held_lock+0x811/0x8d0 [ 275.414065] ? mark_held_locks+0xc7/0x130 [ 275.418218] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.422717] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.427220] vprintk_default+0x28/0x30 [ 275.431117] vprintk_func+0x7e/0x181 [ 275.434836] printk+0xa7/0xcf [ 275.437943] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 275.442705] ? _raw_spin_unlock_irq+0x60/0x80 [ 275.447221] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 275.452512] dump_header+0x7cc/0xf72 [ 275.456236] ? pagefault_out_of_memory+0x197/0x197 [ 275.461177] ? __lock_acquire+0x62f/0x4c20 [ 275.465448] ? percpu_ref_get_many+0x240/0x240 [ 275.470042] ? print_usage_bug+0xc0/0xc0 [ 275.474112] ? zap_class+0x640/0x640 [ 275.477831] ? print_usage_bug+0xc0/0xc0 [ 275.481920] ? zap_class+0x640/0x640 [ 275.485640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.491189] ? find_held_lock+0x36/0x1c0 [ 275.495275] ? mark_held_locks+0xc7/0x130 [ 275.499437] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 275.504544] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 275.509650] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 275.514234] ? trace_hardirqs_on+0xbd/0x310 [ 275.518559] ? kasan_check_read+0x11/0x20 [ 275.522711] ? ___ratelimit+0x3b4/0x672 [ 275.526697] ? trace_hardirqs_off_caller+0x310/0x310 [ 275.531802] ? trace_hardirqs_on+0x310/0x310 [ 275.536214] ? lock_downgrade+0x900/0x900 [ 275.540367] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 275.545473] ? ___ratelimit+0x3b9/0x672 [ 275.549450] ? idr_get_free+0xf70/0xf70 [ 275.553427] ? find_held_lock+0x36/0x1c0 [ 275.557502] oom_kill_process.cold.27+0x10/0x903 [ 275.562266] ? zap_class+0x640/0x640 [ 275.565999] ? check_preemption_disabled+0x48/0x280 [ 275.571026] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 275.575962] ? kasan_check_read+0x11/0x20 [ 275.580130] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.585416] ? oom_evaluate_task+0x540/0x540 [ 275.589833] ? find_held_lock+0x36/0x1c0 [ 275.593961] ? out_of_memory+0x974/0x1430 [ 275.598117] ? lock_downgrade+0x900/0x900 [ 275.602267] ? check_preemption_disabled+0x48/0x280 [ 275.607699] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 275.612635] ? kasan_check_read+0x11/0x20 [ 275.616785] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.622062] ? rcu_softirq_qs+0x20/0x20 [ 275.626043] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 275.631585] ? oom_evaluate_task+0x302/0x540 [ 275.636022] out_of_memory+0xa84/0x1430 [ 275.640041] ? oom_killer_disable+0x3a0/0x3a0 [ 275.644571] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 275.649534] ? __ww_mutex_check_waiters+0x160/0x160 [ 275.654583] __alloc_pages_slowpath+0x232c/0x2de0 [ 275.659483] ? warn_alloc+0x120/0x120 [ 275.663288] ? mark_held_locks+0x130/0x130 [ 275.667551] ? find_get_entry+0xaae/0x1120 [ 275.671812] ? filemap_map_pages+0x1a20/0x1a20 [ 275.676497] ? zap_class+0x640/0x640 [ 275.680224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.685778] ? check_preemption_disabled+0x48/0x280 [ 275.690805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.696347] ? should_fail+0x22d/0xd01 [ 275.700253] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.705360] ? zap_class+0x640/0x640 [ 275.709115] ? __lock_is_held+0xb5/0x140 [ 275.713186] ? mark_held_locks+0x130/0x130 [ 275.717437] ? lock_release+0xa00/0xa00 [ 275.721415] ? perf_trace_sched_process_exec+0x860/0x860 [ 275.726868] ? xa_load+0x2ba/0x460 [ 275.730425] ? lock_downgrade+0x900/0x900 [ 275.734580] ? __might_sleep+0x95/0x190 [ 275.738560] __alloc_pages_nodemask+0xad8/0xea0 [ 275.743239] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 275.748260] ? __page_cache_alloc+0x191/0x5c0 [ 275.752759] ? xa_load+0x2e1/0x460 [ 275.756304] ? xa_clear_mark+0x40/0x40 [ 275.760192] ? zap_class+0x640/0x640 [ 275.763919] ? zap_class+0x640/0x640 [ 275.767647] ? zap_class+0x640/0x640 [ 275.771361] ? zap_class+0x640/0x640 [ 275.775077] ? __do_page_cache_readahead+0x663/0x810 [ 275.780190] ? find_held_lock+0x36/0x1c0 [ 275.784262] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 275.789811] alloc_pages_current+0x173/0x350 [ 275.794234] __page_cache_alloc+0x38c/0x5c0 [ 275.798557] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 275.803490] ? kasan_check_read+0x11/0x20 [ 275.807655] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.812937] ? generic_perform_write+0x6a0/0x6a0 [ 275.817711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.823253] ? check_preemption_disabled+0x48/0x280 [ 275.828298] filemap_fault+0x1595/0x25f0 [ 275.832376] ? __lock_page_or_retry+0xa00/0xa00 [ 275.837049] ? mark_held_locks+0x130/0x130 [ 275.841293] ? filemap_map_pages+0xd6b/0x1a20 [ 275.845794] ? lock_downgrade+0x900/0x900 [ 275.849948] ? check_preemption_disabled+0x48/0x280 [ 275.854972] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 275.859916] ? kasan_check_read+0x11/0x20 [ 275.864067] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.869348] ? rcu_softirq_qs+0x20/0x20 [ 275.873337] ? filemap_map_pages+0xd92/0x1a20 [ 275.877838] ? queue_work_on+0x12c/0x1e0 [ 275.881919] ? find_get_entries_tag+0x1400/0x1400 [ 275.886775] ? debug_object_destroy+0x2b0/0x2b0 [ 275.891450] ? lock_pi_update_atomic+0x150/0x150 [ 275.896209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.901766] ? lock_acquire+0x1ed/0x520 [ 275.905747] ? ext4_filemap_fault+0x7a/0xad [ 275.910081] ? lock_release+0xa00/0xa00 [ 275.914060] ? perf_trace_sched_process_exec+0x860/0x860 [ 275.919514] ? print_usage_bug+0xc0/0xc0 [ 275.923580] ? print_usage_bug+0xc0/0xc0 [ 275.927654] ? down_read+0x8d/0x120 [ 275.931279] ? ext4_filemap_fault+0x7a/0xad [ 275.935603] ? __down_interruptible+0x700/0x700 [ 275.940284] ext4_filemap_fault+0x82/0xad [ 275.944437] __do_fault+0x100/0x6b0 [ 275.948067] ? perf_tp_event+0xc20/0xc20 [ 275.952133] ? pmd_devmap_trans_unstable+0x220/0x220 [ 275.957245] ? mark_held_locks+0x130/0x130 [ 275.961480] ? mark_held_locks+0x130/0x130 [ 275.965723] ? debug_smp_processor_id+0x1c/0x20 [ 275.970401] ? perf_trace_lock+0x14d/0x7a0 [ 275.974646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.980194] __handle_mm_fault+0x3ea0/0x5be0 [ 275.984614] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 275.989460] ? lock_is_held_type+0x210/0x210 [ 275.993874] ? __switch_to_asm+0x34/0x70 [ 275.997956] ? __switch_to_asm+0x34/0x70 [ 276.002032] ? zap_class+0x640/0x640 [ 276.005744] ? zap_class+0x640/0x640 [ 276.009459] ? __x64_sys_futex+0x53e/0x6a0 [ 276.013700] ? find_held_lock+0x36/0x1c0 [ 276.017793] ? handle_mm_fault+0x42a/0xc70 [ 276.022034] ? lock_downgrade+0x900/0x900 [ 276.026183] ? check_preemption_disabled+0x48/0x280 [ 276.031204] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 276.036137] ? kasan_check_read+0x11/0x20 [ 276.040286] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 276.045567] ? rcu_softirq_qs+0x20/0x20 [ 276.049544] ? trace_hardirqs_off_caller+0x310/0x310 [ 276.054652] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.060199] ? check_preemption_disabled+0x48/0x280 [ 276.065231] handle_mm_fault+0x54f/0xc70 [ 276.069301] ? __handle_mm_fault+0x5be0/0x5be0 [ 276.073906] ? find_vma+0x34/0x190 [ 276.077460] __do_page_fault+0x5e8/0xe60 [ 276.081522] ? trace_hardirqs_off+0xb8/0x310 [ 276.085943] do_page_fault+0xf2/0x7e0 [ 276.089747] ? vmalloc_sync_all+0x30/0x30 [ 276.093916] ? error_entry+0x70/0xd0 [ 276.097637] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.102659] ? trace_hardirqs_on_caller+0xc0/0x310 [ 276.107593] ? syscall_return_slowpath+0x5e0/0x5e0 [ 276.112526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.117379] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.122404] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.127864] ? prepare_exit_to_usermode+0x291/0x3b0 [ 276.132909] ? page_fault+0x8/0x30 [ 276.136455] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.141303] ? page_fault+0x8/0x30 [ 276.144846] page_fault+0x1e/0x30 [ 276.148298] RIP: 0033:0x45ddf3 [ 276.151502] Code: Bad RIP value. [ 276.154863] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 276.160237] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 276.167507] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 276.174788] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 276.182072] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 276.189340] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 276.196649] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 276.196654] warn_alloc_show_mem: 1 callbacks suppressed [ 276.196661] Mem-Info: [ 276.203706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.209074] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 276.209074] active_file:10 inactive_file:13 isolated_file:0 [ 276.209074] unevictable:0 dirty:0 writeback:0 unstable:0 [ 276.209074] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 276.209074] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 276.209074] free:13776 free_pcp:523 free_cma:0 [ 276.211463] Call Trace: [ 276.220853] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 276.253896] [ 276.256488] 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 [ 276.284172] dump_stack+0x244/0x39d [ 276.286299] lowmem_reserve[]: 0 2818 6321 6321 [ 276.312436] ? dump_stack_print_info.cold.1+0x20/0x20 [ 276.316030] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 276.320617] warn_alloc.cold.116+0xb7/0x1bd [ 276.325769] lowmem_reserve[]: 0 0 3503 3503 [ 276.353105] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.357400] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 276.361730] ? lock_downgrade+0x900/0x900 [ 276.366542] lowmem_reserve[]: 0 0 0 0 [ 276.395623] ? trace_hardirqs_off+0xb8/0x310 [ 276.399752] 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 [ 276.403564] ? trace_hardirqs_off+0xb8/0x310 [ 276.407943] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 276.421481] __alloc_pages_slowpath+0x2651/0x2de0 [ 276.425871] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 276.440992] ? warn_alloc+0x120/0x120 [ 276.445814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 276.460202] ? find_held_lock+0x36/0x1c0 [ 276.463982] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 276.472859] ? warn_alloc+0x120/0x120 [ 276.476903] 1516 total pagecache pages [ 276.485482] ? warn_alloc+0x120/0x120 [ 276.489278] 0 pages in swap cache [ 276.493159] ? print_usage_bug+0xc0/0xc0 [ 276.496950] Swap cache stats: add 0, delete 0, find 0/0 [ 276.500419] ? print_usage_bug+0xc0/0xc0 [ 276.504435] Free swap = 0kB [ 276.504445] Total swap = 0kB [ 276.509815] ? check_usage_forwards+0x3d0/0x3d0 [ 276.513853] 1965979 pages RAM [ 276.516872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.519865] 0 pages HighMem/MovableOnly [ 276.524536] ? should_fail+0x22d/0xd01 [ 276.527617] 342854 pages reserved [ 276.533154] ? __bfs+0x321/0x780 [ 276.537109] 0 pages cma reserved [ 276.540994] ? __lock_acquire+0x62f/0x4c20 [ 276.544496] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.547797] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.547813] ? __lock_acquire+0x62f/0x4c20 [ 276.547830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.551237] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.555415] ? __lock_acquire+0x62f/0x4c20 [ 276.561883] syz-fuzzer cpuset=/ mems_allowed=0 [ 276.567046] ? should_fail+0x22d/0xd01 [ 276.599253] ? mark_held_locks+0x130/0x130 [ 276.603502] ? mark_held_locks+0x130/0x130 [ 276.607759] ? kasan_check_read+0x11/0x20 [ 276.611921] ? __lock_acquire+0x2aff/0x4c20 [ 276.616252] ? zap_class+0x640/0x640 [ 276.619974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.625520] ? check_preemption_disabled+0x48/0x280 [ 276.630564] ? __lock_is_held+0xb5/0x140 [ 276.634634] __alloc_pages_nodemask+0xad8/0xea0 [ 276.639314] ? zap_class+0x640/0x640 [ 276.643041] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 276.648072] ? find_held_lock+0x36/0x1c0 [ 276.652147] ? ____cache_alloc_node+0x1c7/0x1e0 [ 276.656821] ? lock_downgrade+0x900/0x900 [ 276.660981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.666530] cache_grow_begin+0xa5/0x8c0 [ 276.670594] ? do_raw_spin_unlock+0xa7/0x330 [ 276.675016] fallback_alloc+0x204/0x2e0 [ 276.679006] ____cache_alloc_node+0x1c7/0x1e0 [ 276.683518] kmem_cache_alloc_node+0xe3/0x730 [ 276.688041] ? do_raw_spin_unlock+0xa7/0x330 [ 276.692454] ? do_raw_spin_trylock+0x270/0x270 [ 276.697051] __alloc_skb+0x119/0x770 [ 276.700776] ? netdev_alloc_frag+0x1f0/0x1f0 [ 276.705191] ? atomic_notifier_call_chain+0xc6/0x190 [ 276.710299] ? lock_downgrade+0x900/0x900 [ 276.714449] ? check_preemption_disabled+0x48/0x280 [ 276.719492] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 276.724440] ? kasan_check_read+0x11/0x20 [ 276.728588] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 276.733870] ? rcu_softirq_qs+0x20/0x20 [ 276.738026] ? kasan_check_read+0x11/0x20 [ 276.742181] ? do_raw_write_trylock+0x270/0x270 [ 276.746937] __neigh_notify+0x8c/0x160 [ 276.750854] ? neigh_connected_output+0x780/0x780 [ 276.755710] neigh_timer_handler+0x6cb/0xdf0 [ 276.760121] ? check_preemption_disabled+0x48/0x280 [ 276.765142] ? neigh_periodic_work+0xc60/0xc60 [ 276.769732] ? __lock_is_held+0xb5/0x140 [ 276.773807] call_timer_fn+0x272/0x920 [ 276.777699] ? neigh_periodic_work+0xc60/0xc60 [ 276.782285] ? process_timeout+0x40/0x40 [ 276.786370] ? mark_held_locks+0xc7/0x130 [ 276.790535] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.795033] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.799527] ? neigh_periodic_work+0xc60/0xc60 [ 276.804116] ? lockdep_hardirqs_on+0x296/0x5b0 [ 276.808705] ? trace_hardirqs_on+0xbd/0x310 [ 276.813029] ? kasan_check_read+0x11/0x20 [ 276.817188] ? __run_timers+0x7da/0xc70 [ 276.821165] ? trace_hardirqs_off_caller+0x310/0x310 [ 276.826294] ? neigh_periodic_work+0xc60/0xc60 [ 276.830878] __run_timers+0x7e5/0xc70 [ 276.834703] ? timer_fixup_init+0x70/0x70 [ 276.838855] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.843882] ? zap_class+0x640/0x640 [ 276.847611] ? print_usage_bug+0xc0/0xc0 [ 276.851677] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 276.856878] ? find_held_lock+0x36/0x1c0 [ 276.860957] ? zap_class+0x640/0x640 [ 276.864682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.870338] ? check_preemption_disabled+0x48/0x280 [ 276.875365] ? __lock_is_held+0xb5/0x140 [ 276.879438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.884986] ? check_preemption_disabled+0x48/0x280 [ 276.890013] run_timer_softirq+0x52/0xb0 [ 276.894082] ? rcu_read_lock_sched_held+0x14f/0x180 [ 276.899103] __do_softirq+0x308/0xb7e [ 276.902925] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 276.907440] ? lock_downgrade+0x900/0x900 [ 276.911601] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 276.916719] ? pvclock_read_flags+0x160/0x160 [ 276.921221] ? lapic_next_event+0x5a/0x90 [ 276.925379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.930936] ? kvm_clock_read+0x18/0x30 [ 276.934923] ? kvm_sched_clock_read+0x9/0x20 [ 276.939341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.944902] ? check_preemption_disabled+0x48/0x280 [ 276.949952] irq_exit+0x17f/0x1c0 [ 276.953431] smp_apic_timer_interrupt+0x1cb/0x760 [ 276.958298] ? smp_reschedule_interrupt+0x109/0x650 [ 276.963339] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.969249] ? interrupt_entry+0xb5/0xc0 [ 276.973336] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.978364] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.983394] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.988250] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.993269] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.998291] ? task_prio+0x50/0x50 [ 277.001843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.007450] ? check_preemption_disabled+0x48/0x280 [ 277.012484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.017349] apic_timer_interrupt+0xf/0x20 [ 277.021584] [ 277.023827] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 277.028804] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 277.047717] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 277.055443] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 277.062723] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 277.070021] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 277.077306] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 277.084579] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 277.091896] rcu_read_lock_held+0xa9/0xc0 [ 277.096047] list_lru_count_one+0x31a/0x450 [ 277.100392] ? list_lru_isolate_move+0x3c0/0x3c0 [ 277.105174] ? deferred_split_count+0x65/0x170 [ 277.109758] ? shrink_huge_zero_page_count+0xc8/0x100 [ 277.114963] super_cache_count+0x153/0x2e0 [ 277.119206] do_shrink_slab+0x1b1/0xd30 [ 277.123189] ? lock_acquire+0x1ed/0x520 [ 277.127167] ? snapshot_refaults+0x290/0x290 [ 277.131580] ? lock_release+0xa00/0xa00 [ 277.135562] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 277.140502] ? down_read_trylock+0xda/0x140 [ 277.144836] ? shrink_slab+0x207/0x8c0 [ 277.148734] ? downgrade_write+0x270/0x270 [ 277.152984] shrink_slab+0x389/0x8c0 [ 277.156701] ? shrink_active_list+0x1f00/0x1f00 [ 277.161406] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 277.167035] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 277.172150] ? cgroup_procs_write_finish+0xf0/0xf0 [ 277.177087] ? find_held_lock+0x36/0x1c0 [ 277.181157] shrink_node+0x431/0x16b0 [ 277.184959] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 277.190263] ? shrink_node_memcg+0x18f0/0x18f0 [ 277.194850] ? kvm_clock_read+0x18/0x30 [ 277.198835] ? ktime_get+0x2c1/0x400 [ 277.202556] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 277.207057] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 277.212597] ? __cpuset_node_allowed+0x19b/0x660 [ 277.217358] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 277.223078] ? delayacct_end+0x5a/0x100 [ 277.227080] do_try_to_free_pages+0x3e7/0x1290 [ 277.231666] ? zap_class+0x640/0x640 [ 277.235408] ? shrink_node+0x16b0/0x16b0 [ 277.239477] ? __lock_is_held+0xb5/0x140 [ 277.243564] try_to_free_pages+0x4d0/0xb90 [ 277.247808] ? do_try_to_free_pages+0x1290/0x1290 [ 277.252670] ? lock_acquire+0x1ed/0x520 [ 277.256647] ? set_page_refcounted+0x280/0x280 [ 277.261241] ? lock_release+0xa00/0xa00 [ 277.265220] ? _raw_spin_unlock_irq+0x60/0x80 [ 277.269719] ? psi_memstall_enter+0x240/0x2b0 [ 277.274221] ? psi_memstall_tick+0x230/0x230 [ 277.278649] __alloc_pages_slowpath+0xa48/0x2de0 [ 277.283440] ? warn_alloc+0x120/0x120 [ 277.287248] ? mark_held_locks+0x130/0x130 [ 277.291498] ? find_get_entry+0xaae/0x1120 [ 277.295747] ? filemap_map_pages+0x1a20/0x1a20 [ 277.300341] ? zap_class+0x640/0x640 [ 277.304066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.309612] ? check_preemption_disabled+0x48/0x280 [ 277.314634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.320181] ? should_fail+0x22d/0xd01 [ 277.324079] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.329193] ? zap_class+0x640/0x640 [ 277.332939] ? __lock_is_held+0xb5/0x140 [ 277.337020] ? mark_held_locks+0x130/0x130 [ 277.341264] ? lock_release+0xa00/0xa00 [ 277.345244] ? perf_trace_sched_process_exec+0x860/0x860 [ 277.350698] ? xa_load+0x2ba/0x460 [ 277.354247] ? lock_downgrade+0x900/0x900 [ 277.358414] ? __might_sleep+0x95/0x190 [ 277.362413] __alloc_pages_nodemask+0xad8/0xea0 [ 277.367094] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 277.372112] ? __page_cache_alloc+0x191/0x5c0 [ 277.376628] ? xa_load+0x2e1/0x460 [ 277.380172] ? xa_clear_mark+0x40/0x40 [ 277.384063] ? zap_class+0x640/0x640 [ 277.387795] ? zap_class+0x640/0x640 [ 277.391512] ? zap_class+0x640/0x640 [ 277.395231] ? __do_page_cache_readahead+0x663/0x810 [ 277.400345] ? find_held_lock+0x36/0x1c0 [ 277.404455] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 277.410008] alloc_pages_current+0x173/0x350 [ 277.414435] __page_cache_alloc+0x38c/0x5c0 [ 277.418758] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 277.423695] ? kasan_check_read+0x11/0x20 [ 277.427848] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.433134] ? generic_perform_write+0x6a0/0x6a0 [ 277.437901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.443450] ? check_preemption_disabled+0x48/0x280 [ 277.448481] filemap_fault+0x1595/0x25f0 [ 277.452561] ? __lock_page_or_retry+0xa00/0xa00 [ 277.457246] ? mark_held_locks+0x130/0x130 [ 277.461506] ? filemap_map_pages+0xd6b/0x1a20 [ 277.466017] ? lock_downgrade+0x900/0x900 [ 277.470170] ? check_preemption_disabled+0x48/0x280 [ 277.475196] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 277.480132] ? kasan_check_read+0x11/0x20 [ 277.484281] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.489560] ? rcu_softirq_qs+0x20/0x20 [ 277.493552] ? filemap_map_pages+0xd92/0x1a20 [ 277.498058] ? print_usage_bug+0xc0/0xc0 [ 277.502129] ? find_get_entries_tag+0x1400/0x1400 [ 277.506974] ? __kasan_slab_free+0x102/0x150 [ 277.511384] ? kasan_slab_free+0xe/0x10 [ 277.515362] ? kmem_cache_free+0x83/0x290 [ 277.519516] ? __sigqueue_free.part.29+0x74/0x90 [ 277.524327] ? lock_acquire+0x1ed/0x520 [ 277.528307] ? ext4_filemap_fault+0x7a/0xad [ 277.532664] ? lock_release+0xa00/0xa00 [ 277.536645] ? perf_trace_sched_process_exec+0x860/0x860 [ 277.542099] ? print_usage_bug+0xc0/0xc0 [ 277.546166] ? print_usage_bug+0xc0/0xc0 [ 277.550239] ? down_read+0x8d/0x120 [ 277.553876] ? ext4_filemap_fault+0x7a/0xad [ 277.558209] ? __down_interruptible+0x700/0x700 [ 277.562899] ext4_filemap_fault+0x82/0xad [ 277.567054] __do_fault+0x100/0x6b0 [ 277.570688] ? pmd_devmap_trans_unstable+0x220/0x220 [ 277.575796] ? mark_held_locks+0x130/0x130 [ 277.580039] ? mark_held_locks+0x130/0x130 [ 277.584277] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 277.589819] ? rcu_pm_notify+0xc0/0xc0 [ 277.593717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.599263] __handle_mm_fault+0x3ea0/0x5be0 [ 277.603687] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 277.608854] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.613363] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 277.617955] ? trace_hardirqs_on+0xbd/0x310 [ 277.622277] ? kasan_check_read+0x11/0x20 [ 277.626428] ? __set_current_blocked+0xdf/0x120 [ 277.631101] ? trace_hardirqs_off_caller+0x310/0x310 [ 277.636226] ? zap_class+0x640/0x640 [ 277.639969] ? zap_class+0x640/0x640 [ 277.643690] ? find_held_lock+0x36/0x1c0 [ 277.647766] ? handle_mm_fault+0x42a/0xc70 [ 277.652006] ? lock_downgrade+0x900/0x900 [ 277.656167] ? check_preemption_disabled+0x48/0x280 [ 277.661187] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 277.666121] ? kasan_check_read+0x11/0x20 [ 277.670272] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.675547] ? rcu_softirq_qs+0x20/0x20 [ 277.679526] ? trace_hardirqs_off_caller+0x310/0x310 [ 277.684636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.690180] ? check_preemption_disabled+0x48/0x280 [ 277.695210] handle_mm_fault+0x54f/0xc70 [ 277.699279] ? __handle_mm_fault+0x5be0/0x5be0 [ 277.703868] ? find_vma+0x34/0x190 [ 277.707432] __do_page_fault+0x5e8/0xe60 [ 277.711504] ? exit_to_usermode_loop+0x1f4/0x380 [ 277.716271] do_page_fault+0xf2/0x7e0 [ 277.720073] ? vmalloc_sync_all+0x30/0x30 [ 277.724224] ? error_entry+0x70/0xd0 [ 277.727945] ? trace_hardirqs_off_caller+0xbb/0x310 [ 277.732967] ? trace_hardirqs_on_caller+0xc0/0x310 [ 277.737915] ? syscall_return_slowpath+0x5e0/0x5e0 [ 277.742852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.747716] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.752737] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.758209] ? prepare_exit_to_usermode+0x291/0x3b0 [ 277.763237] ? page_fault+0x8/0x30 [ 277.766785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.771655] ? page_fault+0x8/0x30 [ 277.775198] page_fault+0x1e/0x30 [ 277.778649] RIP: 0033:0x45db60 [ 277.781868] Code: Bad RIP value. [ 277.785239] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 277.790614] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 277.797896] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 277.805171] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 277.812446] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 277.819715] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 277.827019] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 277.827161] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 277.834053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.844276] syz-fuzzer cpuset=/ mems_allowed=0 [ 277.853639] Call Trace: [ 277.860791] [ 277.862958] dump_stack+0x244/0x39d [ 277.866593] ? dump_stack_print_info.cold.1+0x20/0x20 [ 277.871800] warn_alloc.cold.116+0xb7/0x1bd [ 277.876143] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 277.881015] ? lock_downgrade+0x900/0x900 [ 277.885181] ? trace_hardirqs_off+0xb8/0x310 [ 277.889601] ? trace_hardirqs_off+0xb8/0x310 [ 277.894019] __alloc_pages_slowpath+0x2651/0x2de0 [ 277.898930] ? warn_alloc+0x120/0x120 [ 277.902749] ? print_usage_bug+0xc0/0xc0 [ 277.906818] ? warn_alloc+0x120/0x120 [ 277.910631] ? warn_alloc+0x120/0x120 [ 277.914470] ? print_usage_bug+0xc0/0xc0 [ 277.918549] ? print_usage_bug+0xc0/0xc0 [ 277.922612] ? __lock_acquire+0x62f/0x4c20 [ 277.926859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.932409] ? should_fail+0x22d/0xd01 [ 277.936311] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.941416] ? __lock_acquire+0x62f/0x4c20 [ 277.945662] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.950765] ? __lock_acquire+0x62f/0x4c20 [ 277.954998] ? should_fail+0x22d/0xd01 [ 277.958894] ? find_held_lock+0x36/0x1c0 [ 277.962975] ? mark_held_locks+0x130/0x130 [ 277.967214] ? mark_held_locks+0x130/0x130 [ 277.971450] ? zap_class+0x640/0x640 [ 277.975164] ? zap_class+0x640/0x640 [ 277.978884] ? print_usage_bug+0xc0/0xc0 [ 277.982959] ? do_raw_spin_unlock+0xa7/0x330 [ 277.987366] ? zap_class+0x640/0x640 [ 277.991085] ? print_usage_bug+0xc0/0xc0 [ 277.995147] ? wq_watchdog_touch+0x9c/0xfe [ 277.999387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.004939] ? check_preemption_disabled+0x48/0x280 [ 278.009966] ? __lock_is_held+0xb5/0x140 [ 278.014035] __alloc_pages_nodemask+0xad8/0xea0 [ 278.018708] ? zap_class+0x640/0x640 [ 278.022432] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 278.027460] ? find_held_lock+0x36/0x1c0 [ 278.031546] ? ____cache_alloc_node+0x1c7/0x1e0 [ 278.036218] ? lock_downgrade+0x900/0x900 [ 278.040379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.045931] cache_grow_begin+0xa5/0x8c0 [ 278.050016] ? do_raw_spin_unlock+0xa7/0x330 [ 278.054442] fallback_alloc+0x204/0x2e0 [ 278.058441] ____cache_alloc_node+0x1c7/0x1e0 [ 278.062949] kmem_cache_alloc_node+0xe3/0x730 [ 278.067446] ? ipv6_get_ifaddr+0x42e/0x620 [ 278.071692] __alloc_skb+0x119/0x770 [ 278.075408] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 278.080695] ? netdev_alloc_frag+0x1f0/0x1f0 [ 278.085108] ? lock_downgrade+0x900/0x900 [ 278.089281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.094821] ? refcount_sub_and_test_checked+0x203/0x310 [ 278.100282] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 278.105753] ? addrconf_rs_timer+0x690/0x690 [ 278.110179] ndisc_alloc_skb+0x144/0x340 [ 278.114251] ndisc_send_rs+0x331/0x6e0 [ 278.118147] addrconf_rs_timer+0x314/0x690 [ 278.122392] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.126639] call_timer_fn+0x272/0x920 [ 278.130528] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.134763] ? process_timeout+0x40/0x40 [ 278.138840] ? mark_held_locks+0xc7/0x130 [ 278.143023] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.147534] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.152030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.156302] ? lockdep_hardirqs_on+0x296/0x5b0 [ 278.160903] ? trace_hardirqs_on+0xbd/0x310 [ 278.165229] ? kasan_check_read+0x11/0x20 [ 278.169375] ? __run_timers+0x7da/0xc70 [ 278.173361] ? trace_hardirqs_off_caller+0x310/0x310 [ 278.178474] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.182715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.186959] __run_timers+0x7e5/0xc70 [ 278.190774] ? timer_fixup_init+0x70/0x70 [ 278.194936] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.199971] ? zap_class+0x640/0x640 [ 278.203692] ? print_usage_bug+0xc0/0xc0 [ 278.207772] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 278.212972] ? find_held_lock+0x36/0x1c0 [ 278.217045] ? zap_class+0x640/0x640 [ 278.220767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.226310] ? check_preemption_disabled+0x48/0x280 [ 278.231339] ? __lock_is_held+0xb5/0x140 [ 278.235404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.240947] ? check_preemption_disabled+0x48/0x280 [ 278.245972] run_timer_softirq+0x52/0xb0 [ 278.250036] ? rcu_read_lock_sched_held+0x14f/0x180 [ 278.255056] __do_softirq+0x308/0xb7e [ 278.258861] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 278.263392] ? lock_downgrade+0x900/0x900 [ 278.267547] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 278.272658] ? pvclock_read_flags+0x160/0x160 [ 278.277173] ? lapic_next_event+0x5a/0x90 [ 278.281324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.286869] ? kvm_clock_read+0x18/0x30 [ 278.290857] ? kvm_sched_clock_read+0x9/0x20 [ 278.295276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.300821] ? check_preemption_disabled+0x48/0x280 [ 278.305858] irq_exit+0x17f/0x1c0 [ 278.309327] smp_apic_timer_interrupt+0x1cb/0x760 [ 278.314171] ? smp_reschedule_interrupt+0x109/0x650 [ 278.319189] ? smp_call_function_single_interrupt+0x650/0x650 [ 278.325074] ? interrupt_entry+0xb5/0xc0 [ 278.329138] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.334157] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.339176] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.344023] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.349040] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.354061] ? task_prio+0x50/0x50 [ 278.357605] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.363156] ? check_preemption_disabled+0x48/0x280 [ 278.368212] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.373069] apic_timer_interrupt+0xf/0x20 [ 278.377298] [ 278.379535] RIP: 0010:console_unlock+0x102f/0x1190 [ 278.384470] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 278.403377] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 278.411086] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 278.418353] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 278.425618] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 278.432894] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 278.440172] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 278.447454] ? netconsole_netdev_event+0x280/0x280 [ 278.452391] ? console_unlock+0x1026/0x1190 [ 278.456733] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 278.461406] ? lock_release+0xa00/0xa00 [ 278.465384] ? retint_kernel+0x2d/0x2d [ 278.469291] vprintk_emit+0x391/0x990 [ 278.473102] ? wake_up_klogd+0x180/0x180 [ 278.477172] ? match_held_lock+0x811/0x8d0 [ 278.481416] ? mark_held_locks+0xc7/0x130 [ 278.485567] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.490061] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.494563] vprintk_default+0x28/0x30 [ 278.498484] vprintk_func+0x7e/0x181 [ 278.502198] printk+0xa7/0xcf [ 278.505312] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 278.510073] ? _raw_spin_unlock_irq+0x60/0x80 [ 278.514580] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 278.519872] dump_header+0x7cc/0xf72 [ 278.523608] ? pagefault_out_of_memory+0x197/0x197 [ 278.528582] ? __lock_acquire+0x62f/0x4c20 [ 278.532819] ? percpu_ref_get_many+0x240/0x240 [ 278.537403] ? print_usage_bug+0xc0/0xc0 [ 278.541488] ? zap_class+0x640/0x640 [ 278.545206] ? print_usage_bug+0xc0/0xc0 [ 278.549270] ? zap_class+0x640/0x640 [ 278.552992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.558534] ? find_held_lock+0x36/0x1c0 [ 278.562608] ? mark_held_locks+0xc7/0x130 [ 278.566759] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 278.571866] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 278.576985] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 278.581570] ? trace_hardirqs_on+0xbd/0x310 [ 278.585903] ? kasan_check_read+0x11/0x20 [ 278.590057] ? ___ratelimit+0x3b4/0x672 [ 278.594036] ? trace_hardirqs_off_caller+0x310/0x310 [ 278.599152] ? trace_hardirqs_on+0x310/0x310 [ 278.603565] ? lock_downgrade+0x900/0x900 [ 278.608178] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 278.613293] ? ___ratelimit+0x3b9/0x672 [ 278.617271] ? idr_get_free+0xf70/0xf70 [ 278.621249] ? find_held_lock+0x36/0x1c0 [ 278.625326] oom_kill_process.cold.27+0x10/0x903 [ 278.630085] ? zap_class+0x640/0x640 [ 278.633811] ? check_preemption_disabled+0x48/0x280 [ 278.638844] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 278.643776] ? kasan_check_read+0x11/0x20 [ 278.647930] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 278.653213] ? oom_evaluate_task+0x540/0x540 [ 278.657627] ? find_held_lock+0x36/0x1c0 [ 278.661702] ? out_of_memory+0x974/0x1430 [ 278.665854] ? lock_downgrade+0x900/0x900 [ 278.670010] ? check_preemption_disabled+0x48/0x280 [ 278.675039] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 278.679972] ? kasan_check_read+0x11/0x20 [ 278.684120] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 278.689404] ? rcu_softirq_qs+0x20/0x20 [ 278.693389] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 278.698932] ? oom_evaluate_task+0x302/0x540 [ 278.703348] out_of_memory+0xa84/0x1430 [ 278.707339] ? oom_killer_disable+0x3a0/0x3a0 [ 278.711836] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 278.716774] ? __ww_mutex_check_waiters+0x160/0x160 [ 278.721803] __alloc_pages_slowpath+0x232c/0x2de0 [ 278.726678] ? warn_alloc+0x120/0x120 [ 278.730481] ? mark_held_locks+0x130/0x130 [ 278.734726] ? find_get_entry+0xaae/0x1120 [ 278.739175] ? filemap_map_pages+0x1a20/0x1a20 [ 278.743765] ? zap_class+0x640/0x640 [ 278.747485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.753028] ? check_preemption_disabled+0x48/0x280 [ 278.758046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.763586] ? should_fail+0x22d/0xd01 [ 278.767481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.772591] ? zap_class+0x640/0x640 [ 278.776337] ? __lock_is_held+0xb5/0x140 [ 278.780411] ? mark_held_locks+0x130/0x130 [ 278.784657] ? lock_release+0xa00/0xa00 [ 278.788642] ? perf_trace_sched_process_exec+0x860/0x860 [ 278.794101] ? xa_load+0x2ba/0x460 [ 278.797642] ? lock_downgrade+0x900/0x900 [ 278.801810] ? __might_sleep+0x95/0x190 [ 278.805796] __alloc_pages_nodemask+0xad8/0xea0 [ 278.810473] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 278.815491] ? __page_cache_alloc+0x191/0x5c0 [ 278.819984] ? xa_load+0x2e1/0x460 [ 278.823525] ? xa_clear_mark+0x40/0x40 [ 278.827415] ? zap_class+0x640/0x640 [ 278.831132] ? zap_class+0x640/0x640 [ 278.834858] ? zap_class+0x640/0x640 [ 278.838580] ? zap_class+0x640/0x640 [ 278.842294] ? __do_page_cache_readahead+0x663/0x810 [ 278.847405] ? find_held_lock+0x36/0x1c0 [ 278.851475] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 278.857026] alloc_pages_current+0x173/0x350 [ 278.861443] __page_cache_alloc+0x38c/0x5c0 [ 278.865768] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 278.870701] ? kasan_check_read+0x11/0x20 [ 278.874854] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 278.880141] ? generic_perform_write+0x6a0/0x6a0 [ 278.884921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.890467] ? check_preemption_disabled+0x48/0x280 [ 278.895491] filemap_fault+0x1595/0x25f0 [ 278.899567] ? __lock_page_or_retry+0xa00/0xa00 [ 278.904239] ? mark_held_locks+0x130/0x130 [ 278.908485] ? filemap_map_pages+0xd6b/0x1a20 [ 278.912991] ? lock_downgrade+0x900/0x900 [ 278.917152] ? check_preemption_disabled+0x48/0x280 [ 278.922176] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 278.927111] ? kasan_check_read+0x11/0x20 [ 278.931261] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 278.936542] ? rcu_softirq_qs+0x20/0x20 [ 278.940559] ? filemap_map_pages+0xd92/0x1a20 [ 278.945065] ? queue_work_on+0x12c/0x1e0 [ 278.949139] ? find_get_entries_tag+0x1400/0x1400 [ 278.953988] ? debug_object_destroy+0x2b0/0x2b0 [ 278.958662] ? lock_pi_update_atomic+0x150/0x150 [ 278.963438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.968995] ? lock_acquire+0x1ed/0x520 [ 278.972974] ? ext4_filemap_fault+0x7a/0xad [ 278.977307] ? lock_release+0xa00/0xa00 [ 278.981283] ? perf_trace_sched_process_exec+0x860/0x860 [ 278.986735] ? print_usage_bug+0xc0/0xc0 [ 278.990802] ? print_usage_bug+0xc0/0xc0 [ 278.994875] ? down_read+0x8d/0x120 [ 278.998519] ? ext4_filemap_fault+0x7a/0xad [ 279.002846] ? __down_interruptible+0x700/0x700 [ 279.007540] ext4_filemap_fault+0x82/0xad [ 279.011695] __do_fault+0x100/0x6b0 [ 279.015325] ? perf_tp_event+0xc20/0xc20 [ 279.019387] ? pmd_devmap_trans_unstable+0x220/0x220 [ 279.024493] ? mark_held_locks+0x130/0x130 [ 279.028729] ? mark_held_locks+0x130/0x130 [ 279.032973] ? debug_smp_processor_id+0x1c/0x20 [ 279.037646] ? perf_trace_lock+0x14d/0x7a0 [ 279.041902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.047452] __handle_mm_fault+0x3ea0/0x5be0 [ 279.051870] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 279.056727] ? lock_is_held_type+0x210/0x210 [ 279.061140] ? __switch_to_asm+0x34/0x70 [ 279.065201] ? __switch_to_asm+0x34/0x70 [ 279.069282] ? zap_class+0x640/0x640 [ 279.073002] ? zap_class+0x640/0x640 [ 279.076714] ? __x64_sys_futex+0x53e/0x6a0 [ 279.080955] ? find_held_lock+0x36/0x1c0 [ 279.085029] ? handle_mm_fault+0x42a/0xc70 [ 279.089269] ? lock_downgrade+0x900/0x900 [ 279.093418] ? check_preemption_disabled+0x48/0x280 [ 279.098446] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 279.103387] ? kasan_check_read+0x11/0x20 [ 279.107535] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 279.112843] ? rcu_softirq_qs+0x20/0x20 [ 279.116835] ? trace_hardirqs_off_caller+0x310/0x310 [ 279.121952] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.127493] ? check_preemption_disabled+0x48/0x280 [ 279.132520] handle_mm_fault+0x54f/0xc70 [ 279.136584] ? __handle_mm_fault+0x5be0/0x5be0 [ 279.141172] ? find_vma+0x34/0x190 [ 279.144718] __do_page_fault+0x5e8/0xe60 [ 279.148782] ? trace_hardirqs_off+0xb8/0x310 [ 279.153218] do_page_fault+0xf2/0x7e0 [ 279.157028] ? vmalloc_sync_all+0x30/0x30 [ 279.161177] ? error_entry+0x70/0xd0 [ 279.164920] ? trace_hardirqs_off_caller+0xbb/0x310 [ 279.169939] ? trace_hardirqs_on_caller+0xc0/0x310 [ 279.174869] ? syscall_return_slowpath+0x5e0/0x5e0 [ 279.179809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.184652] ? trace_hardirqs_on_caller+0x310/0x310 [ 279.189706] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.195162] ? prepare_exit_to_usermode+0x291/0x3b0 [ 279.200181] ? page_fault+0x8/0x30 [ 279.203723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.208568] ? page_fault+0x8/0x30 [ 279.212110] page_fault+0x1e/0x30 [ 279.215562] RIP: 0033:0x45ddf3 [ 279.218764] Code: Bad RIP value. [ 279.222127] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 279.227487] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 279.234752] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 279.242046] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 279.249313] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 279.256591] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 279.263895] warn_alloc_show_mem: 1 callbacks suppressed [ 279.263906] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 279.263908] Mem-Info: [ 279.263937] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 279.263937] active_file:10 inactive_file:13 isolated_file:0 [ 279.263937] unevictable:0 dirty:0 writeback:0 unstable:0 [ 279.263937] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 279.263937] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 279.263937] free:13776 free_pcp:523 free_cma:0 [ 279.269291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.276307] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 279.278710] Call Trace: [ 279.311762] 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 [ 279.321119] [ 279.348785] lowmem_reserve[]: 0 2818 6321 6321 [ 279.351379] dump_stack+0x244/0x39d [ 279.377469] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 279.379631] ? dump_stack_print_info.cold.1+0x20/0x20 [ 279.384174] lowmem_reserve[]: 0 0 3503 3503 [ 279.387824] warn_alloc.cold.116+0xb7/0x1bd [ 279.415127] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 279.420331] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.424626] lowmem_reserve[]: 0 0 0 0 [ 279.428960] ? lock_downgrade+0x900/0x900 [ 279.458019] 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 [ 279.462870] ? trace_hardirqs_off+0xb8/0x310 [ 279.466638] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 279.470782] ? trace_hardirqs_off+0xb8/0x310 [ 279.484282] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 279.488702] __alloc_pages_slowpath+0x2651/0x2de0 [ 279.503765] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 279.508203] ? warn_alloc+0x120/0x120 [ 279.522554] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 279.527402] ? warn_alloc+0x120/0x120 [ 279.536205] 1516 total pagecache pages [ 279.540005] ? warn_alloc+0x120/0x120 [ 279.548563] 0 pages in swap cache [ 279.552353] ? print_usage_bug+0xc0/0xc0 [ 279.556221] Swap cache stats: add 0, delete 0, find 0/0 [ 279.560013] ? enqueue_hrtimer+0x1a5/0x560 [ 279.563444] Free swap = 0kB [ 279.567497] ? print_usage_bug+0xc0/0xc0 [ 279.572836] Total swap = 0kB [ 279.577069] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 279.580059] 1965979 pages RAM [ 279.584118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.587106] 0 pages HighMem/MovableOnly [ 279.592290] ? should_fail+0x22d/0xd01 [ 279.595372] 342854 pages reserved [ 279.600920] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.605383] 0 pages cma reserved [ 279.605519] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.609296] ? __lock_acquire+0x62f/0x4c20 [ 279.609330] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.609345] ? __lock_acquire+0x62f/0x4c20 [ 279.612835] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.617872] ? should_fail+0x22d/0xd01 [ 279.621221] syz-fuzzer cpuset=/ mems_allowed=0 [ 279.627712] ? mark_held_locks+0x130/0x130 [ 279.664142] ? mark_held_locks+0x130/0x130 [ 279.668404] ? try_to_wake_up+0x11c/0x1490 [ 279.672647] ? lock_downgrade+0x900/0x900 [ 279.676800] ? zap_class+0x640/0x640 [ 279.680520] ? print_usage_bug+0xc0/0xc0 [ 279.684605] ? trace_hardirqs_off+0xb8/0x310 [ 279.689029] ? kasan_check_read+0x11/0x20 [ 279.693204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.698747] ? check_preemption_disabled+0x48/0x280 [ 279.703776] ? __lock_is_held+0xb5/0x140 [ 279.707849] __alloc_pages_nodemask+0xad8/0xea0 [ 279.712518] ? zap_class+0x640/0x640 [ 279.716241] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 279.721273] ? find_held_lock+0x36/0x1c0 [ 279.725345] ? ____cache_alloc_node+0x1c7/0x1e0 [ 279.730017] ? lock_downgrade+0x900/0x900 [ 279.734173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.739719] cache_grow_begin+0xa5/0x8c0 [ 279.743780] ? do_raw_spin_unlock+0xa7/0x330 [ 279.748197] fallback_alloc+0x204/0x2e0 [ 279.752182] ____cache_alloc_node+0x1c7/0x1e0 [ 279.756683] kmem_cache_alloc_node+0xe3/0x730 [ 279.761180] ? ipv6_get_ifaddr+0x42e/0x620 [ 279.765432] __alloc_skb+0x119/0x770 [ 279.769177] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 279.774465] ? netdev_alloc_frag+0x1f0/0x1f0 [ 279.778875] ? lock_downgrade+0x900/0x900 [ 279.783043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.788584] ? refcount_sub_and_test_checked+0x203/0x310 [ 279.794040] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 279.799492] ? addrconf_rs_timer+0x690/0x690 [ 279.803924] ndisc_alloc_skb+0x144/0x340 [ 279.807997] ndisc_send_rs+0x331/0x6e0 [ 279.811900] addrconf_rs_timer+0x314/0x690 [ 279.816144] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.820407] call_timer_fn+0x272/0x920 [ 279.824300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.828536] ? process_timeout+0x40/0x40 [ 279.832608] ? mark_held_locks+0xc7/0x130 [ 279.836759] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.841254] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.845752] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.850003] ? lockdep_hardirqs_on+0x296/0x5b0 [ 279.854588] ? trace_hardirqs_on+0xbd/0x310 [ 279.858930] ? kasan_check_read+0x11/0x20 [ 279.863084] ? __run_timers+0x7da/0xc70 [ 279.867061] ? trace_hardirqs_off_caller+0x310/0x310 [ 279.872182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.876423] __run_timers+0x7e5/0xc70 [ 279.880235] ? timer_fixup_init+0x70/0x70 [ 279.884388] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 279.889418] ? zap_class+0x640/0x640 [ 279.893137] ? print_usage_bug+0xc0/0xc0 [ 279.897205] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 279.902407] ? find_held_lock+0x36/0x1c0 [ 279.906477] ? zap_class+0x640/0x640 [ 279.910208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.915752] ? check_preemption_disabled+0x48/0x280 [ 279.920788] ? __lock_is_held+0xb5/0x140 [ 279.924854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.930410] ? check_preemption_disabled+0x48/0x280 [ 279.935441] run_timer_softirq+0x52/0xb0 [ 279.939515] ? rcu_read_lock_sched_held+0x14f/0x180 [ 279.944547] __do_softirq+0x308/0xb7e [ 279.948352] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 279.952850] ? lock_downgrade+0x900/0x900 [ 279.957004] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 279.962118] ? pvclock_read_flags+0x160/0x160 [ 279.966621] ? lapic_next_event+0x5a/0x90 [ 279.970777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.976324] ? kvm_clock_read+0x18/0x30 [ 279.980302] ? kvm_sched_clock_read+0x9/0x20 [ 279.984718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.990258] ? check_preemption_disabled+0x48/0x280 [ 279.995289] irq_exit+0x17f/0x1c0 [ 279.998752] smp_apic_timer_interrupt+0x1cb/0x760 [ 280.003597] ? smp_reschedule_interrupt+0x109/0x650 [ 280.008619] ? smp_call_function_single_interrupt+0x650/0x650 [ 280.014524] ? interrupt_entry+0xb5/0xc0 [ 280.018590] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.023615] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.028638] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.033486] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.038503] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.043524] ? task_prio+0x50/0x50 [ 280.047069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.052610] ? check_preemption_disabled+0x48/0x280 [ 280.057641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.062505] apic_timer_interrupt+0xf/0x20 [ 280.066737] [ 280.068984] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 280.073922] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 280.092835] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 280.100555] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 280.107828] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 280.115103] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 280.122379] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 280.129672] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 280.136990] rcu_read_lock_held+0xa9/0xc0 [ 280.141143] list_lru_count_one+0x31a/0x450 [ 280.145469] ? list_lru_isolate_move+0x3c0/0x3c0 [ 280.150243] ? deferred_split_count+0x65/0x170 [ 280.154829] ? shrink_huge_zero_page_count+0xc8/0x100 [ 280.160029] super_cache_count+0x153/0x2e0 [ 280.164272] do_shrink_slab+0x1b1/0xd30 [ 280.168253] ? lock_acquire+0x1ed/0x520 [ 280.172244] ? snapshot_refaults+0x290/0x290 [ 280.176661] ? lock_release+0xa00/0xa00 [ 280.180645] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 280.185591] ? down_read_trylock+0xda/0x140 [ 280.189920] ? shrink_slab+0x207/0x8c0 [ 280.193810] ? downgrade_write+0x270/0x270 [ 280.198061] shrink_slab+0x389/0x8c0 [ 280.201777] ? shrink_active_list+0x1f00/0x1f00 [ 280.206457] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 280.212089] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 280.217205] ? cgroup_procs_write_finish+0xf0/0xf0 [ 280.222144] ? find_held_lock+0x36/0x1c0 [ 280.226220] shrink_node+0x431/0x16b0 [ 280.230026] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 280.235330] ? shrink_node_memcg+0x18f0/0x18f0 [ 280.239931] ? kvm_clock_read+0x18/0x30 [ 280.243917] ? ktime_get+0x2c1/0x400 [ 280.247639] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 280.252143] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 280.257693] ? __cpuset_node_allowed+0x19b/0x660 [ 280.262453] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 280.268172] ? delayacct_end+0x5a/0x100 [ 280.272164] do_try_to_free_pages+0x3e7/0x1290 [ 280.276747] ? zap_class+0x640/0x640 [ 280.280493] ? shrink_node+0x16b0/0x16b0 [ 280.284574] ? __lock_is_held+0xb5/0x140 [ 280.288650] try_to_free_pages+0x4d0/0xb90 [ 280.292899] ? do_try_to_free_pages+0x1290/0x1290 [ 280.297766] ? lock_acquire+0x1ed/0x520 [ 280.301750] ? set_page_refcounted+0x280/0x280 [ 280.306346] ? lock_release+0xa00/0xa00 [ 280.310323] ? _raw_spin_unlock_irq+0x60/0x80 [ 280.314821] ? psi_memstall_enter+0x240/0x2b0 [ 280.319319] ? psi_memstall_tick+0x230/0x230 [ 280.323750] __alloc_pages_slowpath+0xa48/0x2de0 [ 280.328538] ? warn_alloc+0x120/0x120 [ 280.332342] ? mark_held_locks+0x130/0x130 [ 280.336586] ? find_get_entry+0xaae/0x1120 [ 280.340838] ? filemap_map_pages+0x1a20/0x1a20 [ 280.345443] ? zap_class+0x640/0x640 [ 280.349169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.354713] ? check_preemption_disabled+0x48/0x280 [ 280.359748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.365293] ? should_fail+0x22d/0xd01 [ 280.369192] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.374302] ? zap_class+0x640/0x640 [ 280.378045] ? __lock_is_held+0xb5/0x140 [ 280.382121] ? mark_held_locks+0x130/0x130 [ 280.386360] ? lock_release+0xa00/0xa00 [ 280.390339] ? perf_trace_sched_process_exec+0x860/0x860 [ 280.395790] ? xa_load+0x2ba/0x460 [ 280.399335] ? lock_downgrade+0x900/0x900 [ 280.403489] ? __might_sleep+0x95/0x190 [ 280.407473] __alloc_pages_nodemask+0xad8/0xea0 [ 280.412153] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 280.417175] ? __page_cache_alloc+0x191/0x5c0 [ 280.421669] ? xa_load+0x2e1/0x460 [ 280.425222] ? xa_clear_mark+0x40/0x40 [ 280.429114] ? zap_class+0x640/0x640 [ 280.432835] ? zap_class+0x640/0x640 [ 280.436550] ? zap_class+0x640/0x640 [ 280.440268] ? __do_page_cache_readahead+0x663/0x810 [ 280.445379] ? find_held_lock+0x36/0x1c0 [ 280.449463] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 280.455011] alloc_pages_current+0x173/0x350 [ 280.459433] __page_cache_alloc+0x38c/0x5c0 [ 280.463755] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 280.468688] ? kasan_check_read+0x11/0x20 [ 280.472839] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.478140] ? generic_perform_write+0x6a0/0x6a0 [ 280.482926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.488482] ? check_preemption_disabled+0x48/0x280 [ 280.493524] filemap_fault+0x1595/0x25f0 [ 280.497607] ? __lock_page_or_retry+0xa00/0xa00 [ 280.502295] ? mark_held_locks+0x130/0x130 [ 280.506541] ? filemap_map_pages+0xd6b/0x1a20 [ 280.511043] ? lock_downgrade+0x900/0x900 [ 280.515199] ? check_preemption_disabled+0x48/0x280 [ 280.520219] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 280.525153] ? kasan_check_read+0x11/0x20 [ 280.529305] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.534606] ? rcu_softirq_qs+0x20/0x20 [ 280.538601] ? filemap_map_pages+0xd92/0x1a20 [ 280.543111] ? print_usage_bug+0xc0/0xc0 [ 280.547184] ? find_get_entries_tag+0x1400/0x1400 [ 280.552030] ? __kasan_slab_free+0x102/0x150 [ 280.556439] ? kasan_slab_free+0xe/0x10 [ 280.560422] ? kmem_cache_free+0x83/0x290 [ 280.564575] ? __sigqueue_free.part.29+0x74/0x90 [ 280.569357] ? lock_acquire+0x1ed/0x520 [ 280.573346] ? ext4_filemap_fault+0x7a/0xad [ 280.577680] ? lock_release+0xa00/0xa00 [ 280.581657] ? perf_trace_sched_process_exec+0x860/0x860 [ 280.587117] ? print_usage_bug+0xc0/0xc0 [ 280.591180] ? print_usage_bug+0xc0/0xc0 [ 280.595266] ? down_read+0x8d/0x120 [ 280.598903] ? ext4_filemap_fault+0x7a/0xad [ 280.603235] ? __down_interruptible+0x700/0x700 [ 280.607925] ext4_filemap_fault+0x82/0xad [ 280.612080] __do_fault+0x100/0x6b0 [ 280.615719] ? pmd_devmap_trans_unstable+0x220/0x220 [ 280.620828] ? mark_held_locks+0x130/0x130 [ 280.625069] ? mark_held_locks+0x130/0x130 [ 280.629306] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 280.634853] ? rcu_pm_notify+0xc0/0xc0 [ 280.638758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.644307] __handle_mm_fault+0x3ea0/0x5be0 [ 280.648738] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 280.653587] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.658097] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 280.662684] ? trace_hardirqs_on+0xbd/0x310 [ 280.667010] ? kasan_check_read+0x11/0x20 [ 280.671159] ? __set_current_blocked+0xdf/0x120 [ 280.675840] ? trace_hardirqs_off_caller+0x310/0x310 [ 280.680958] ? zap_class+0x640/0x640 [ 280.684674] ? zap_class+0x640/0x640 [ 280.688395] ? find_held_lock+0x36/0x1c0 [ 280.692473] ? handle_mm_fault+0x42a/0xc70 [ 280.696714] ? lock_downgrade+0x900/0x900 [ 280.700864] ? check_preemption_disabled+0x48/0x280 [ 280.705903] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 280.710849] ? kasan_check_read+0x11/0x20 [ 280.715000] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.720279] ? rcu_softirq_qs+0x20/0x20 [ 280.724260] ? trace_hardirqs_off_caller+0x310/0x310 [ 280.729369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.734919] ? check_preemption_disabled+0x48/0x280 [ 280.740481] handle_mm_fault+0x54f/0xc70 [ 280.744550] ? __handle_mm_fault+0x5be0/0x5be0 [ 280.749137] ? find_vma+0x34/0x190 [ 280.752702] __do_page_fault+0x5e8/0xe60 [ 280.756766] ? exit_to_usermode_loop+0x1f4/0x380 [ 280.761546] do_page_fault+0xf2/0x7e0 [ 280.765353] ? vmalloc_sync_all+0x30/0x30 [ 280.769503] ? error_entry+0x70/0xd0 [ 280.773220] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.778239] ? trace_hardirqs_on_caller+0xc0/0x310 [ 280.783172] ? syscall_return_slowpath+0x5e0/0x5e0 [ 280.788110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.792960] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.798014] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.803490] ? prepare_exit_to_usermode+0x291/0x3b0 [ 280.808520] ? page_fault+0x8/0x30 [ 280.812072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.816928] ? page_fault+0x8/0x30 [ 280.820476] page_fault+0x1e/0x30 [ 280.823928] RIP: 0033:0x45db60 [ 280.827132] Code: Bad RIP value. [ 280.830496] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 280.835860] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 280.843134] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 280.850418] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 280.857689] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 280.864964] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 280.872267] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 280.872337] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 280.879292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 280.879298] Call Trace: [ 280.879305] [ 280.879327] dump_stack+0x244/0x39d [ 280.879351] ? dump_stack_print_info.cold.1+0x20/0x20 [ 280.885882] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 280.895186] warn_alloc.cold.116+0xb7/0x1bd [ 280.897738] syz-fuzzer cpuset=/ mems_allowed=0 [ 280.899882] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 280.932608] ? lock_downgrade+0x900/0x900 [ 280.936770] ? trace_hardirqs_off+0xb8/0x310 [ 280.941190] ? trace_hardirqs_off+0xb8/0x310 [ 280.945608] __alloc_pages_slowpath+0x2651/0x2de0 [ 280.950481] ? warn_alloc+0x120/0x120 [ 280.954286] ? print_usage_bug+0xc0/0xc0 [ 280.958348] ? warn_alloc+0x120/0x120 [ 280.962152] ? warn_alloc+0x120/0x120 [ 280.965955] ? print_usage_bug+0xc0/0xc0 [ 280.970032] ? print_usage_bug+0xc0/0xc0 [ 280.974094] ? __lock_acquire+0x62f/0x4c20 [ 280.978339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.983903] ? should_fail+0x22d/0xd01 [ 280.987800] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.992919] ? __lock_acquire+0x62f/0x4c20 [ 280.997161] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.002263] ? __lock_acquire+0x62f/0x4c20 [ 281.006510] ? should_fail+0x22d/0xd01 [ 281.010419] ? find_held_lock+0x36/0x1c0 [ 281.014490] ? mark_held_locks+0x130/0x130 [ 281.018732] ? mark_held_locks+0x130/0x130 [ 281.022968] ? zap_class+0x640/0x640 [ 281.026687] ? zap_class+0x640/0x640 [ 281.030415] ? print_usage_bug+0xc0/0xc0 [ 281.034483] ? do_raw_spin_unlock+0xa7/0x330 [ 281.038911] ? zap_class+0x640/0x640 [ 281.042629] ? print_usage_bug+0xc0/0xc0 [ 281.046688] ? wq_watchdog_touch+0x9c/0xfe [ 281.050945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.056486] ? check_preemption_disabled+0x48/0x280 [ 281.061516] ? __lock_is_held+0xb5/0x140 [ 281.065630] __alloc_pages_nodemask+0xad8/0xea0 [ 281.070307] ? zap_class+0x640/0x640 [ 281.074026] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 281.079060] ? find_held_lock+0x36/0x1c0 [ 281.083143] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.087819] ? lock_downgrade+0x900/0x900 [ 281.091979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.097522] cache_grow_begin+0xa5/0x8c0 [ 281.101588] ? do_raw_spin_unlock+0xa7/0x330 [ 281.106009] fallback_alloc+0x204/0x2e0 [ 281.109991] ____cache_alloc_node+0x1c7/0x1e0 [ 281.114496] kmem_cache_alloc_node+0xe3/0x730 [ 281.118997] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.123244] __alloc_skb+0x119/0x770 [ 281.126960] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 281.132241] ? netdev_alloc_frag+0x1f0/0x1f0 [ 281.136665] ? lock_downgrade+0x900/0x900 [ 281.140827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.146365] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.151823] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.157288] ? addrconf_rs_timer+0x690/0x690 [ 281.161726] ndisc_alloc_skb+0x144/0x340 [ 281.165795] ndisc_send_rs+0x331/0x6e0 [ 281.169692] addrconf_rs_timer+0x314/0x690 [ 281.173942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.178189] call_timer_fn+0x272/0x920 [ 281.182079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.186318] ? process_timeout+0x40/0x40 [ 281.190404] ? mark_held_locks+0xc7/0x130 [ 281.194556] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.199056] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.203551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.207788] ? lockdep_hardirqs_on+0x296/0x5b0 [ 281.212378] ? trace_hardirqs_on+0xbd/0x310 [ 281.216700] ? kasan_check_read+0x11/0x20 [ 281.220850] ? __run_timers+0x7da/0xc70 [ 281.224829] ? trace_hardirqs_off_caller+0x310/0x310 [ 281.229945] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.234184] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.238428] __run_timers+0x7e5/0xc70 [ 281.242246] ? timer_fixup_init+0x70/0x70 [ 281.246398] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 281.251418] ? zap_class+0x640/0x640 [ 281.255139] ? print_usage_bug+0xc0/0xc0 [ 281.259218] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 281.264414] ? find_held_lock+0x36/0x1c0 [ 281.268482] ? zap_class+0x640/0x640 [ 281.272208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.277747] ? check_preemption_disabled+0x48/0x280 [ 281.282788] ? __lock_is_held+0xb5/0x140 [ 281.286873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.292427] ? check_preemption_disabled+0x48/0x280 [ 281.297450] run_timer_softirq+0x52/0xb0 [ 281.301516] ? rcu_read_lock_sched_held+0x14f/0x180 [ 281.306539] __do_softirq+0x308/0xb7e [ 281.310345] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 281.314850] ? lock_downgrade+0x900/0x900 [ 281.319003] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 281.324118] ? pvclock_read_flags+0x160/0x160 [ 281.328616] ? lapic_next_event+0x5a/0x90 [ 281.332768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.338313] ? kvm_clock_read+0x18/0x30 [ 281.342288] ? kvm_sched_clock_read+0x9/0x20 [ 281.346702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.352244] ? check_preemption_disabled+0x48/0x280 [ 281.357271] irq_exit+0x17f/0x1c0 [ 281.360733] smp_apic_timer_interrupt+0x1cb/0x760 [ 281.365577] ? smp_reschedule_interrupt+0x109/0x650 [ 281.370596] ? smp_call_function_single_interrupt+0x650/0x650 [ 281.376483] ? interrupt_entry+0xb5/0xc0 [ 281.380548] ? trace_hardirqs_off_caller+0xbb/0x310 [ 281.385562] ? trace_hardirqs_off_caller+0xbb/0x310 [ 281.390581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.395428] ? trace_hardirqs_on_caller+0x310/0x310 [ 281.400446] ? trace_hardirqs_on_caller+0x310/0x310 [ 281.405461] ? task_prio+0x50/0x50 [ 281.409008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.414555] ? check_preemption_disabled+0x48/0x280 [ 281.419579] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.424438] apic_timer_interrupt+0xf/0x20 [ 281.428667] [ 281.430914] RIP: 0010:console_unlock+0x102f/0x1190 [ 281.435865] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 281.454782] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 281.462507] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 281.469775] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 281.477043] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 281.484317] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 281.491584] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 281.498867] ? netconsole_netdev_event+0x280/0x280 [ 281.503816] ? console_unlock+0x1026/0x1190 [ 281.508156] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 281.512830] ? lock_release+0xa00/0xa00 [ 281.516806] ? retint_kernel+0x2d/0x2d [ 281.520709] vprintk_emit+0x391/0x990 [ 281.524516] ? wake_up_klogd+0x180/0x180 [ 281.528587] ? match_held_lock+0x811/0x8d0 [ 281.532834] ? mark_held_locks+0xc7/0x130 [ 281.536985] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.541490] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.545999] vprintk_default+0x28/0x30 [ 281.549903] vprintk_func+0x7e/0x181 [ 281.553625] printk+0xa7/0xcf [ 281.556735] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 281.561493] ? _raw_spin_unlock_irq+0x60/0x80 [ 281.566006] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 281.571291] dump_header+0x7cc/0xf72 [ 281.575017] ? pagefault_out_of_memory+0x197/0x197 [ 281.579961] ? __lock_acquire+0x62f/0x4c20 [ 281.584197] ? percpu_ref_get_many+0x240/0x240 [ 281.588792] ? print_usage_bug+0xc0/0xc0 [ 281.592861] ? zap_class+0x640/0x640 [ 281.596589] ? print_usage_bug+0xc0/0xc0 [ 281.600652] ? zap_class+0x640/0x640 [ 281.604374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.610357] ? find_held_lock+0x36/0x1c0 [ 281.614430] ? mark_held_locks+0xc7/0x130 [ 281.618590] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 281.623696] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 281.628803] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 281.633390] ? trace_hardirqs_on+0xbd/0x310 [ 281.637717] ? kasan_check_read+0x11/0x20 [ 281.641869] ? ___ratelimit+0x3b4/0x672 [ 281.645865] ? trace_hardirqs_off_caller+0x310/0x310 [ 281.650985] ? trace_hardirqs_on+0x310/0x310 [ 281.655400] ? lock_downgrade+0x900/0x900 [ 281.659573] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 281.664678] ? ___ratelimit+0x3b9/0x672 [ 281.668659] ? idr_get_free+0xf70/0xf70 [ 281.672646] ? find_held_lock+0x36/0x1c0 [ 281.676722] oom_kill_process.cold.27+0x10/0x903 [ 281.681494] ? zap_class+0x640/0x640 [ 281.685211] ? check_preemption_disabled+0x48/0x280 [ 281.690246] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 281.695176] ? kasan_check_read+0x11/0x20 [ 281.699324] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 281.704640] ? oom_evaluate_task+0x540/0x540 [ 281.709063] ? find_held_lock+0x36/0x1c0 [ 281.713137] ? out_of_memory+0x974/0x1430 [ 281.717290] ? lock_downgrade+0x900/0x900 [ 281.721441] ? check_preemption_disabled+0x48/0x280 [ 281.726465] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 281.731398] ? kasan_check_read+0x11/0x20 [ 281.735544] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 281.740820] ? rcu_softirq_qs+0x20/0x20 [ 281.744805] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 281.750354] ? oom_evaluate_task+0x302/0x540 [ 281.754785] out_of_memory+0xa84/0x1430 [ 281.758785] ? oom_killer_disable+0x3a0/0x3a0 [ 281.763287] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 281.768224] ? __ww_mutex_check_waiters+0x160/0x160 [ 281.773251] __alloc_pages_slowpath+0x232c/0x2de0 [ 281.778124] ? warn_alloc+0x120/0x120 [ 281.781928] ? mark_held_locks+0x130/0x130 [ 281.786171] ? find_get_entry+0xaae/0x1120 [ 281.790414] ? filemap_map_pages+0x1a20/0x1a20 [ 281.795002] ? zap_class+0x640/0x640 [ 281.798728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.804271] ? check_preemption_disabled+0x48/0x280 [ 281.809287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.814828] ? should_fail+0x22d/0xd01 [ 281.818727] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.823837] ? zap_class+0x640/0x640 [ 281.827580] ? __lock_is_held+0xb5/0x140 [ 281.831650] ? mark_held_locks+0x130/0x130 [ 281.835895] ? lock_release+0xa00/0xa00 [ 281.839878] ? perf_trace_sched_process_exec+0x860/0x860 [ 281.845345] ? xa_load+0x2ba/0x460 [ 281.848907] ? lock_downgrade+0x900/0x900 [ 281.853063] ? __might_sleep+0x95/0x190 [ 281.857051] __alloc_pages_nodemask+0xad8/0xea0 [ 281.861739] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 281.866758] ? __page_cache_alloc+0x191/0x5c0 [ 281.871253] ? xa_load+0x2e1/0x460 [ 281.874793] ? xa_clear_mark+0x40/0x40 [ 281.878684] ? zap_class+0x640/0x640 [ 281.882398] ? zap_class+0x640/0x640 [ 281.886125] ? zap_class+0x640/0x640 [ 281.889836] ? zap_class+0x640/0x640 [ 281.893551] ? __do_page_cache_readahead+0x663/0x810 [ 281.898663] ? find_held_lock+0x36/0x1c0 [ 281.902739] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 281.908285] alloc_pages_current+0x173/0x350 [ 281.912703] __page_cache_alloc+0x38c/0x5c0 [ 281.917029] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 281.921959] ? kasan_check_read+0x11/0x20 [ 281.926117] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 281.931401] ? generic_perform_write+0x6a0/0x6a0 [ 281.936161] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.941702] ? check_preemption_disabled+0x48/0x280 [ 281.946729] filemap_fault+0x1595/0x25f0 [ 281.950804] ? __lock_page_or_retry+0xa00/0xa00 [ 281.955477] ? mark_held_locks+0x130/0x130 [ 281.959720] ? filemap_map_pages+0xd6b/0x1a20 [ 281.964218] ? lock_downgrade+0x900/0x900 [ 281.968367] ? check_preemption_disabled+0x48/0x280 [ 281.973389] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 281.978319] ? kasan_check_read+0x11/0x20 [ 281.982484] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 281.987766] ? rcu_softirq_qs+0x20/0x20 [ 281.991756] ? filemap_map_pages+0xd92/0x1a20 [ 281.996272] ? queue_work_on+0x12c/0x1e0 [ 282.000345] ? find_get_entries_tag+0x1400/0x1400 [ 282.005209] ? debug_object_destroy+0x2b0/0x2b0 [ 282.009881] ? lock_pi_update_atomic+0x150/0x150 [ 282.014658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.020226] ? lock_acquire+0x1ed/0x520 [ 282.024204] ? ext4_filemap_fault+0x7a/0xad [ 282.028539] ? lock_release+0xa00/0xa00 [ 282.032515] ? perf_trace_sched_process_exec+0x860/0x860 [ 282.037970] ? print_usage_bug+0xc0/0xc0 [ 282.042033] ? print_usage_bug+0xc0/0xc0 [ 282.046107] ? down_read+0x8d/0x120 [ 282.049737] ? ext4_filemap_fault+0x7a/0xad [ 282.054062] ? __down_interruptible+0x700/0x700 [ 282.058741] ext4_filemap_fault+0x82/0xad [ 282.062905] __do_fault+0x100/0x6b0 [ 282.066536] ? perf_tp_event+0xc20/0xc20 [ 282.070604] ? pmd_devmap_trans_unstable+0x220/0x220 [ 282.075712] ? mark_held_locks+0x130/0x130 [ 282.079949] ? mark_held_locks+0x130/0x130 [ 282.084192] ? debug_smp_processor_id+0x1c/0x20 [ 282.088867] ? perf_trace_lock+0x14d/0x7a0 [ 282.093122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.098672] __handle_mm_fault+0x3ea0/0x5be0 [ 282.103096] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 282.107946] ? lock_is_held_type+0x210/0x210 [ 282.112363] ? __switch_to_asm+0x34/0x70 [ 282.116429] ? __switch_to_asm+0x34/0x70 [ 282.120510] ? zap_class+0x640/0x640 [ 282.124223] ? zap_class+0x640/0x640 [ 282.127935] ? __x64_sys_futex+0x53e/0x6a0 [ 282.132221] ? find_held_lock+0x36/0x1c0 [ 282.136295] ? handle_mm_fault+0x42a/0xc70 [ 282.140533] ? lock_downgrade+0x900/0x900 [ 282.144688] ? check_preemption_disabled+0x48/0x280 [ 282.149741] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 282.154668] ? kasan_check_read+0x11/0x20 [ 282.158815] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 282.164092] ? rcu_softirq_qs+0x20/0x20 [ 282.168067] ? trace_hardirqs_off_caller+0x310/0x310 [ 282.173178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.178717] ? check_preemption_disabled+0x48/0x280 [ 282.183743] handle_mm_fault+0x54f/0xc70 [ 282.187815] ? __handle_mm_fault+0x5be0/0x5be0 [ 282.192414] ? find_vma+0x34/0x190 [ 282.195962] __do_page_fault+0x5e8/0xe60 [ 282.200041] ? trace_hardirqs_off+0xb8/0x310 [ 282.204480] do_page_fault+0xf2/0x7e0 [ 282.208294] ? vmalloc_sync_all+0x30/0x30 [ 282.212444] ? error_entry+0x70/0xd0 [ 282.216160] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.221176] ? trace_hardirqs_on_caller+0xc0/0x310 [ 282.226115] ? syscall_return_slowpath+0x5e0/0x5e0 [ 282.231050] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.235907] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.240932] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.246389] ? prepare_exit_to_usermode+0x291/0x3b0 [ 282.251415] ? page_fault+0x8/0x30 [ 282.254974] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.259838] ? page_fault+0x8/0x30 [ 282.263394] page_fault+0x1e/0x30 [ 282.266851] RIP: 0033:0x45ddf3 [ 282.270065] Code: Bad RIP value. [ 282.273429] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 282.278816] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 282.286095] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 282.293363] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 282.300629] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 282.307914] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 282.315213] warn_alloc_show_mem: 1 callbacks suppressed [ 282.315225] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 282.315226] Mem-Info: [ 282.315257] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 282.315257] active_file:10 inactive_file:13 isolated_file:0 [ 282.315257] unevictable:0 dirty:0 writeback:0 unstable:0 [ 282.315257] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 282.315257] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 282.315257] free:13776 free_pcp:523 free_cma:0 [ 282.320603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.327629] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 282.330031] Call Trace: [ 282.363085] 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 [ 282.372443] [ 282.400113] lowmem_reserve[]: 0 2818 6321 6321 [ 282.402726] dump_stack+0x244/0x39d [ 282.428813] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 282.430983] ? dump_stack_print_info.cold.1+0x20/0x20 [ 282.435534] lowmem_reserve[]: 0 0 3503 3503 [ 282.439178] warn_alloc.cold.116+0xb7/0x1bd [ 282.466480] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 282.471693] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 282.475988] lowmem_reserve[]: 0 0 0 0 [ 282.480313] ? lock_downgrade+0x900/0x900 [ 282.509368] 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 [ 282.514217] ? trace_hardirqs_off+0xb8/0x310 [ 282.517983] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 282.522130] ? trace_hardirqs_off+0xb8/0x310 [ 282.535620] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 282.540044] __alloc_pages_slowpath+0x2651/0x2de0 [ 282.555109] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 282.559539] ? warn_alloc+0x120/0x120 [ 282.573933] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 282.578778] ? print_usage_bug+0xc0/0xc0 [ 282.587625] 1516 total pagecache pages [ 282.591429] ? warn_alloc+0x120/0x120 [ 282.600001] 0 pages in swap cache [ 282.604064] ? warn_alloc+0x120/0x120 [ 282.607938] Swap cache stats: add 0, delete 0, find 0/0 [ 282.611744] ? print_usage_bug+0xc0/0xc0 [ 282.615170] Free swap = 0kB [ 282.618964] ? print_usage_bug+0xc0/0xc0 [ 282.624299] Total swap = 0kB [ 282.628365] ? __lock_acquire+0x62f/0x4c20 [ 282.631359] 1965979 pages RAM [ 282.635429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.638417] 0 pages HighMem/MovableOnly [ 282.642644] ? should_fail+0x22d/0xd01 [ 282.645721] 342854 pages reserved [ 282.651270] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.655247] 0 pages cma reserved [ 282.659140] ? __lock_acquire+0x62f/0x4c20 [ 282.662623] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 282.667681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.667696] ? __lock_acquire+0x62f/0x4c20 [ 282.667711] ? should_fail+0x22d/0xd01 [ 282.671216] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 282.675333] ? find_held_lock+0x36/0x1c0 [ 282.675356] ? mark_held_locks+0x130/0x130 [ 282.682124] syz-fuzzer cpuset=/ mems_allowed=0 [ 282.687238] ? mark_held_locks+0x130/0x130 [ 282.722805] ? zap_class+0x640/0x640 [ 282.726526] ? zap_class+0x640/0x640 [ 282.730243] ? print_usage_bug+0xc0/0xc0 [ 282.734302] ? do_raw_spin_unlock+0xa7/0x330 [ 282.739240] ? zap_class+0x640/0x640 [ 282.742955] ? print_usage_bug+0xc0/0xc0 [ 282.747016] ? wq_watchdog_touch+0x9c/0xfe [ 282.751269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.756817] ? check_preemption_disabled+0x48/0x280 [ 282.761848] ? __lock_is_held+0xb5/0x140 [ 282.765952] __alloc_pages_nodemask+0xad8/0xea0 [ 282.770623] ? zap_class+0x640/0x640 [ 282.774343] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 282.779370] ? find_held_lock+0x36/0x1c0 [ 282.783461] ? ____cache_alloc_node+0x1c7/0x1e0 [ 282.788133] ? lock_downgrade+0x900/0x900 [ 282.792294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.797839] cache_grow_begin+0xa5/0x8c0 [ 282.801910] ? do_raw_spin_unlock+0xa7/0x330 [ 282.806329] fallback_alloc+0x204/0x2e0 [ 282.810311] ____cache_alloc_node+0x1c7/0x1e0 [ 282.814815] kmem_cache_alloc_node+0xe3/0x730 [ 282.819324] ? ipv6_get_ifaddr+0x42e/0x620 [ 282.823571] __alloc_skb+0x119/0x770 [ 282.827301] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 282.832583] ? netdev_alloc_frag+0x1f0/0x1f0 [ 282.836994] ? lock_downgrade+0x900/0x900 [ 282.841157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.846696] ? refcount_sub_and_test_checked+0x203/0x310 [ 282.852153] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 282.857605] ? addrconf_rs_timer+0x690/0x690 [ 282.862026] ndisc_alloc_skb+0x144/0x340 [ 282.866096] ndisc_send_rs+0x331/0x6e0 [ 282.869992] addrconf_rs_timer+0x314/0x690 [ 282.874252] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.878514] call_timer_fn+0x272/0x920 [ 282.882407] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.886646] ? process_timeout+0x40/0x40 [ 282.890733] ? mark_held_locks+0xc7/0x130 [ 282.894882] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.899389] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.903898] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.908140] ? lockdep_hardirqs_on+0x296/0x5b0 [ 282.912738] ? trace_hardirqs_on+0xbd/0x310 [ 282.917062] ? kasan_check_read+0x11/0x20 [ 282.921209] ? __run_timers+0x7da/0xc70 [ 282.925227] ? trace_hardirqs_off_caller+0x310/0x310 [ 282.930338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.934577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.938823] __run_timers+0x7e5/0xc70 [ 282.942635] ? timer_fixup_init+0x70/0x70 [ 282.946790] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.951811] ? zap_class+0x640/0x640 [ 282.955531] ? print_usage_bug+0xc0/0xc0 [ 282.959598] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 282.964796] ? find_held_lock+0x36/0x1c0 [ 282.968862] ? zap_class+0x640/0x640 [ 282.972599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.978156] ? check_preemption_disabled+0x48/0x280 [ 282.983189] ? __lock_is_held+0xb5/0x140 [ 282.987255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.992797] ? check_preemption_disabled+0x48/0x280 [ 282.997821] run_timer_softirq+0x52/0xb0 [ 283.001884] ? rcu_read_lock_sched_held+0x14f/0x180 [ 283.006920] __do_softirq+0x308/0xb7e [ 283.010733] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 283.015232] ? lock_downgrade+0x900/0x900 [ 283.019387] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 283.024505] ? pvclock_read_flags+0x160/0x160 [ 283.029004] ? lapic_next_event+0x5a/0x90 [ 283.033155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.038702] ? kvm_clock_read+0x18/0x30 [ 283.042680] ? kvm_sched_clock_read+0x9/0x20 [ 283.047092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.052633] ? check_preemption_disabled+0x48/0x280 [ 283.057665] irq_exit+0x17f/0x1c0 [ 283.061125] smp_apic_timer_interrupt+0x1cb/0x760 [ 283.065971] ? smp_reschedule_interrupt+0x109/0x650 [ 283.070994] ? smp_call_function_single_interrupt+0x650/0x650 [ 283.076881] ? interrupt_entry+0xb5/0xc0 [ 283.080968] ? trace_hardirqs_off_caller+0xbb/0x310 [ 283.086007] ? trace_hardirqs_off_caller+0xbb/0x310 [ 283.091032] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.095878] ? trace_hardirqs_on_caller+0x310/0x310 [ 283.100914] ? trace_hardirqs_on_caller+0x310/0x310 [ 283.105937] ? task_prio+0x50/0x50 [ 283.109480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.115027] ? check_preemption_disabled+0x48/0x280 [ 283.120053] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.124936] apic_timer_interrupt+0xf/0x20 [ 283.129167] [ 283.131412] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 283.136342] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 283.155251] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 283.162989] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 283.170264] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 283.177540] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 283.184815] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 283.192087] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 283.199427] rcu_read_lock_held+0xa9/0xc0 [ 283.203579] list_lru_count_one+0x31a/0x450 [ 283.207909] ? list_lru_isolate_move+0x3c0/0x3c0 [ 283.212670] ? deferred_split_count+0x65/0x170 [ 283.217259] ? shrink_huge_zero_page_count+0xc8/0x100 [ 283.222460] super_cache_count+0x153/0x2e0 [ 283.226707] do_shrink_slab+0x1b1/0xd30 [ 283.230689] ? lock_acquire+0x1ed/0x520 [ 283.234670] ? snapshot_refaults+0x290/0x290 [ 283.239086] ? lock_release+0xa00/0xa00 [ 283.243074] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 283.248022] ? down_read_trylock+0xda/0x140 [ 283.252346] ? shrink_slab+0x207/0x8c0 [ 283.256251] ? downgrade_write+0x270/0x270 [ 283.260506] shrink_slab+0x389/0x8c0 [ 283.264229] ? shrink_active_list+0x1f00/0x1f00 [ 283.268916] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 283.274550] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 283.279666] ? cgroup_procs_write_finish+0xf0/0xf0 [ 283.284610] ? find_held_lock+0x36/0x1c0 [ 283.288689] shrink_node+0x431/0x16b0 [ 283.292503] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 283.297806] ? shrink_node_memcg+0x18f0/0x18f0 [ 283.302404] ? kvm_clock_read+0x18/0x30 [ 283.306382] ? ktime_get+0x2c1/0x400 [ 283.310114] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 283.314615] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 283.320159] ? __cpuset_node_allowed+0x19b/0x660 [ 283.324926] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 283.330642] ? delayacct_end+0x5a/0x100 [ 283.334634] do_try_to_free_pages+0x3e7/0x1290 [ 283.339218] ? zap_class+0x640/0x640 [ 283.342954] ? shrink_node+0x16b0/0x16b0 [ 283.347018] ? __lock_is_held+0xb5/0x140 [ 283.351102] try_to_free_pages+0x4d0/0xb90 [ 283.355348] ? do_try_to_free_pages+0x1290/0x1290 [ 283.360207] ? lock_acquire+0x1ed/0x520 [ 283.364187] ? set_page_refcounted+0x280/0x280 [ 283.368789] ? lock_release+0xa00/0xa00 [ 283.372771] ? _raw_spin_unlock_irq+0x60/0x80 [ 283.377270] ? psi_memstall_enter+0x240/0x2b0 [ 283.381776] ? psi_memstall_tick+0x230/0x230 [ 283.386220] __alloc_pages_slowpath+0xa48/0x2de0 [ 283.391049] ? warn_alloc+0x120/0x120 [ 283.394849] ? mark_held_locks+0x130/0x130 [ 283.399097] ? find_get_entry+0xaae/0x1120 [ 283.403348] ? filemap_map_pages+0x1a20/0x1a20 [ 283.407978] ? zap_class+0x640/0x640 [ 283.411728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.417273] ? check_preemption_disabled+0x48/0x280 [ 283.422296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.427851] ? should_fail+0x22d/0xd01 [ 283.431749] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.436885] ? zap_class+0x640/0x640 [ 283.440684] ? __lock_is_held+0xb5/0x140 [ 283.444756] ? mark_held_locks+0x130/0x130 [ 283.448996] ? lock_release+0xa00/0xa00 [ 283.452988] ? perf_trace_sched_process_exec+0x860/0x860 [ 283.458440] ? xa_load+0x2ba/0x460 [ 283.461995] ? lock_downgrade+0x900/0x900 [ 283.466150] ? __might_sleep+0x95/0x190 [ 283.470131] __alloc_pages_nodemask+0xad8/0xea0 [ 283.474813] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 283.479833] ? __page_cache_alloc+0x191/0x5c0 [ 283.484330] ? xa_load+0x2e1/0x460 [ 283.487870] ? xa_clear_mark+0x40/0x40 [ 283.491767] ? zap_class+0x640/0x640 [ 283.495490] ? zap_class+0x640/0x640 [ 283.499203] ? zap_class+0x640/0x640 [ 283.502942] ? __do_page_cache_readahead+0x663/0x810 [ 283.508051] ? find_held_lock+0x36/0x1c0 [ 283.512119] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 283.517662] alloc_pages_current+0x173/0x350 [ 283.522085] __page_cache_alloc+0x38c/0x5c0 [ 283.526410] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 283.531340] ? kasan_check_read+0x11/0x20 [ 283.535486] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 283.540766] ? generic_perform_write+0x6a0/0x6a0 [ 283.545544] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.551088] ? check_preemption_disabled+0x48/0x280 [ 283.556114] filemap_fault+0x1595/0x25f0 [ 283.560190] ? __lock_page_or_retry+0xa00/0xa00 [ 283.564878] ? mark_held_locks+0x130/0x130 [ 283.569134] ? filemap_map_pages+0xd6b/0x1a20 [ 283.573648] ? lock_downgrade+0x900/0x900 [ 283.577809] ? check_preemption_disabled+0x48/0x280 [ 283.582830] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 283.587761] ? kasan_check_read+0x11/0x20 [ 283.591918] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 283.597196] ? rcu_softirq_qs+0x20/0x20 [ 283.601187] ? filemap_map_pages+0xd92/0x1a20 [ 283.605979] ? print_usage_bug+0xc0/0xc0 [ 283.610065] ? find_get_entries_tag+0x1400/0x1400 [ 283.614916] ? __kasan_slab_free+0x102/0x150 [ 283.619325] ? kasan_slab_free+0xe/0x10 [ 283.623301] ? kmem_cache_free+0x83/0x290 [ 283.627453] ? __sigqueue_free.part.29+0x74/0x90 [ 283.632231] ? lock_acquire+0x1ed/0x520 [ 283.636205] ? ext4_filemap_fault+0x7a/0xad [ 283.640534] ? lock_release+0xa00/0xa00 [ 283.644513] ? perf_trace_sched_process_exec+0x860/0x860 [ 283.649968] ? print_usage_bug+0xc0/0xc0 [ 283.654036] ? print_usage_bug+0xc0/0xc0 [ 283.658116] ? down_read+0x8d/0x120 [ 283.661745] ? ext4_filemap_fault+0x7a/0xad [ 283.666068] ? __down_interruptible+0x700/0x700 [ 283.670753] ext4_filemap_fault+0x82/0xad [ 283.674929] __do_fault+0x100/0x6b0 [ 283.678564] ? pmd_devmap_trans_unstable+0x220/0x220 [ 283.683672] ? mark_held_locks+0x130/0x130 [ 283.687914] ? mark_held_locks+0x130/0x130 [ 283.692155] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 283.697695] ? rcu_pm_notify+0xc0/0xc0 [ 283.701594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.707139] __handle_mm_fault+0x3ea0/0x5be0 [ 283.711566] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 283.716413] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.720924] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 283.725512] ? trace_hardirqs_on+0xbd/0x310 [ 283.729836] ? kasan_check_read+0x11/0x20 [ 283.733985] ? __set_current_blocked+0xdf/0x120 [ 283.738659] ? trace_hardirqs_off_caller+0x310/0x310 [ 283.743776] ? zap_class+0x640/0x640 [ 283.747493] ? zap_class+0x640/0x640 [ 283.751213] ? find_held_lock+0x36/0x1c0 [ 283.755290] ? handle_mm_fault+0x42a/0xc70 [ 283.759527] ? lock_downgrade+0x900/0x900 [ 283.763681] ? check_preemption_disabled+0x48/0x280 [ 283.768714] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 283.773646] ? kasan_check_read+0x11/0x20 [ 283.777795] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 283.783075] ? rcu_softirq_qs+0x20/0x20 [ 283.787049] ? trace_hardirqs_off_caller+0x310/0x310 [ 283.792182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.797723] ? check_preemption_disabled+0x48/0x280 [ 283.802755] handle_mm_fault+0x54f/0xc70 [ 283.806825] ? __handle_mm_fault+0x5be0/0x5be0 [ 283.811419] ? find_vma+0x34/0x190 [ 283.814968] __do_page_fault+0x5e8/0xe60 [ 283.819032] ? exit_to_usermode_loop+0x1f4/0x380 [ 283.823799] do_page_fault+0xf2/0x7e0 [ 283.827603] ? vmalloc_sync_all+0x30/0x30 [ 283.831769] ? error_entry+0x70/0xd0 [ 283.835489] ? trace_hardirqs_off_caller+0xbb/0x310 [ 283.840514] ? trace_hardirqs_on_caller+0xc0/0x310 [ 283.845453] ? syscall_return_slowpath+0x5e0/0x5e0 [ 283.850382] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.855232] ? trace_hardirqs_on_caller+0x310/0x310 [ 283.860251] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.865711] ? prepare_exit_to_usermode+0x291/0x3b0 [ 283.870729] ? page_fault+0x8/0x30 [ 283.874273] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.879121] ? page_fault+0x8/0x30 [ 283.882665] page_fault+0x1e/0x30 [ 283.886117] RIP: 0033:0x45db60 [ 283.889326] Code: Bad RIP value. [ 283.892687] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 283.898048] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 283.905327] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 283.912595] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 283.919878] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 283.927160] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 283.934461] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 283.934568] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 283.941522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.941527] Call Trace: [ 283.941534] [ 283.941558] dump_stack+0x244/0x39d [ 283.941577] ? dump_stack_print_info.cold.1+0x20/0x20 [ 283.948144] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.957418] warn_alloc.cold.116+0xb7/0x1bd [ 283.959979] syz-fuzzer cpuset=/ mems_allowed=0 [ 283.962129] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 283.994897] ? lock_downgrade+0x900/0x900 [ 283.999092] ? trace_hardirqs_off+0xb8/0x310 [ 284.003533] ? trace_hardirqs_off+0xb8/0x310 [ 284.007997] __alloc_pages_slowpath+0x2651/0x2de0 [ 284.012934] ? warn_alloc+0x120/0x120 [ 284.016774] ? warn_alloc+0x120/0x120 [ 284.020588] ? warn_alloc+0x120/0x120 [ 284.024394] ? print_usage_bug+0xc0/0xc0 [ 284.028461] ? print_usage_bug+0xc0/0xc0 [ 284.032531] ? print_usage_bug+0xc0/0xc0 [ 284.036607] ? print_usage_bug+0xc0/0xc0 [ 284.040673] ? print_usage_bug+0xc0/0xc0 [ 284.044740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.050281] ? should_fail+0x22d/0xd01 [ 284.054173] ? print_usage_bug+0xc0/0xc0 [ 284.058243] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.063348] ? __lock_acquire+0x62f/0x4c20 [ 284.067591] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.072694] ? should_fail+0x22d/0xd01 [ 284.076605] ? mark_held_locks+0x130/0x130 [ 284.080847] ? mark_held_locks+0x130/0x130 [ 284.085095] ? zap_class+0x640/0x640 [ 284.088812] ? mark_held_locks+0x130/0x130 [ 284.093051] ? zap_class+0x640/0x640 [ 284.096770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.102320] ? check_preemption_disabled+0x48/0x280 [ 284.107351] ? __lock_is_held+0xb5/0x140 [ 284.111445] __alloc_pages_nodemask+0xad8/0xea0 [ 284.116129] ? zap_class+0x640/0x640 [ 284.119849] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 284.124882] ? find_held_lock+0x36/0x1c0 [ 284.128985] ? ____cache_alloc_node+0x1c7/0x1e0 [ 284.133661] ? lock_downgrade+0x900/0x900 [ 284.137829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.143408] cache_grow_begin+0xa5/0x8c0 [ 284.147491] ? do_raw_spin_unlock+0xa7/0x330 [ 284.151934] fallback_alloc+0x204/0x2e0 [ 284.155930] ____cache_alloc_node+0x1c7/0x1e0 [ 284.160433] kmem_cache_alloc_node+0xe3/0x730 [ 284.164942] ? lockdep_hardirqs_on+0x296/0x5b0 [ 284.169550] __alloc_skb+0x119/0x770 [ 284.173267] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 284.178641] ? netdev_alloc_frag+0x1f0/0x1f0 [ 284.183056] ? lock_acquire+0x1ed/0x520 [ 284.187075] ? aoecmd_cfg+0x108/0x7f0 [ 284.190904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.196466] ? check_preemption_disabled+0x48/0x280 [ 284.201503] ? kasan_check_read+0x11/0x20 [ 284.205671] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 284.210952] ? rcu_softirq_qs+0x20/0x20 [ 284.214939] ? do_raw_spin_trylock+0x270/0x270 [ 284.219545] new_skb+0x26/0x1c0 [ 284.222833] aoecmd_cfg+0x279/0x7f0 [ 284.226474] ? find_held_lock+0x36/0x1c0 [ 284.230541] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 284.234884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.240448] ? check_preemption_disabled+0x48/0x280 [ 284.245481] ? __lock_is_held+0xb5/0x140 [ 284.249558] discover_timer+0x50/0x60 [ 284.253367] call_timer_fn+0x272/0x920 [ 284.257272] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 284.262121] ? process_timeout+0x40/0x40 [ 284.266194] ? mark_held_locks+0xc7/0x130 [ 284.270344] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.274843] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.279346] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 284.284194] ? lockdep_hardirqs_on+0x296/0x5b0 [ 284.288779] ? trace_hardirqs_on+0xbd/0x310 [ 284.293100] ? kasan_check_read+0x11/0x20 [ 284.297248] ? __run_timers+0x7da/0xc70 [ 284.301249] ? trace_hardirqs_off_caller+0x310/0x310 [ 284.306396] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 284.311250] __run_timers+0x7e5/0xc70 [ 284.315063] ? timer_fixup_init+0x70/0x70 [ 284.319218] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 284.324256] ? zap_class+0x640/0x640 [ 284.328000] ? print_usage_bug+0xc0/0xc0 [ 284.332070] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 284.337278] ? find_held_lock+0x36/0x1c0 [ 284.341343] ? zap_class+0x640/0x640 [ 284.345066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.350620] ? check_preemption_disabled+0x48/0x280 [ 284.355651] ? __lock_is_held+0xb5/0x140 [ 284.359718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.365262] ? check_preemption_disabled+0x48/0x280 [ 284.370299] run_timer_softirq+0x52/0xb0 [ 284.374369] ? rcu_read_lock_sched_held+0x14f/0x180 [ 284.379418] __do_softirq+0x308/0xb7e [ 284.383229] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 284.387728] ? lock_downgrade+0x900/0x900 [ 284.391898] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 284.397025] ? pvclock_read_flags+0x160/0x160 [ 284.401535] ? lapic_next_event+0x5a/0x90 [ 284.405697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.411251] ? kvm_clock_read+0x18/0x30 [ 284.415228] ? kvm_sched_clock_read+0x9/0x20 [ 284.419644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.425187] ? check_preemption_disabled+0x48/0x280 [ 284.430223] irq_exit+0x17f/0x1c0 [ 284.433688] smp_apic_timer_interrupt+0x1cb/0x760 [ 284.438544] ? smp_reschedule_interrupt+0x109/0x650 [ 284.443575] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.449463] ? interrupt_entry+0xb5/0xc0 [ 284.453531] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.458552] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.463575] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.468422] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.473446] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.478473] ? task_prio+0x50/0x50 [ 284.482026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.487568] ? check_preemption_disabled+0x48/0x280 [ 284.492622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.497479] apic_timer_interrupt+0xf/0x20 [ 284.501712] [ 284.503953] RIP: 0010:console_unlock+0x102f/0x1190 [ 284.508905] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 284.527819] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 284.535533] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 284.542803] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 284.550074] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 284.557350] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 284.564624] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 284.571933] ? netconsole_netdev_event+0x280/0x280 [ 284.576875] ? console_unlock+0x1026/0x1190 [ 284.581232] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 284.585922] ? lock_release+0xa00/0xa00 [ 284.589915] ? retint_kernel+0x2d/0x2d [ 284.593827] vprintk_emit+0x391/0x990 [ 284.597638] ? wake_up_klogd+0x180/0x180 [ 284.601713] ? match_held_lock+0x811/0x8d0 [ 284.605961] ? mark_held_locks+0xc7/0x130 [ 284.610117] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.614618] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.619127] vprintk_default+0x28/0x30 [ 284.623022] vprintk_func+0x7e/0x181 [ 284.626928] printk+0xa7/0xcf [ 284.630038] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 284.634804] ? _raw_spin_unlock_irq+0x60/0x80 [ 284.639316] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 284.644605] dump_header+0x7cc/0xf72 [ 284.648333] ? pagefault_out_of_memory+0x197/0x197 [ 284.653273] ? __lock_acquire+0x62f/0x4c20 [ 284.657514] ? percpu_ref_get_many+0x240/0x240 [ 284.662107] ? print_usage_bug+0xc0/0xc0 [ 284.666177] ? zap_class+0x640/0x640 [ 284.669908] ? print_usage_bug+0xc0/0xc0 [ 284.673976] ? zap_class+0x640/0x640 [ 284.677696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.683240] ? find_held_lock+0x36/0x1c0 [ 284.687314] ? mark_held_locks+0xc7/0x130 [ 284.691472] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 284.696582] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 284.701689] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 284.706275] ? trace_hardirqs_on+0xbd/0x310 [ 284.710598] ? kasan_check_read+0x11/0x20 [ 284.714753] ? ___ratelimit+0x3b4/0x672 [ 284.718730] ? trace_hardirqs_off_caller+0x310/0x310 [ 284.723837] ? trace_hardirqs_on+0x310/0x310 [ 284.728253] ? lock_downgrade+0x900/0x900 [ 284.732408] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 284.737691] ? ___ratelimit+0x3b9/0x672 [ 284.741670] ? idr_get_free+0xf70/0xf70 [ 284.745650] ? find_held_lock+0x36/0x1c0 [ 284.749725] oom_kill_process.cold.27+0x10/0x903 [ 284.754483] ? zap_class+0x640/0x640 [ 284.758199] ? check_preemption_disabled+0x48/0x280 [ 284.763222] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 284.768156] ? kasan_check_read+0x11/0x20 [ 284.772307] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 284.777607] ? oom_evaluate_task+0x540/0x540 [ 284.782029] ? find_held_lock+0x36/0x1c0 [ 284.786105] ? out_of_memory+0x974/0x1430 [ 284.790259] ? lock_downgrade+0x900/0x900 [ 284.794420] ? check_preemption_disabled+0x48/0x280 [ 284.799444] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 284.804377] ? kasan_check_read+0x11/0x20 [ 284.808526] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 284.813806] ? rcu_softirq_qs+0x20/0x20 [ 284.817802] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 284.823367] ? oom_evaluate_task+0x302/0x540 [ 284.827788] out_of_memory+0xa84/0x1430 [ 284.831779] ? oom_killer_disable+0x3a0/0x3a0 [ 284.836278] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 284.841217] ? __ww_mutex_check_waiters+0x160/0x160 [ 284.846247] __alloc_pages_slowpath+0x232c/0x2de0 [ 284.851132] ? warn_alloc+0x120/0x120 [ 284.854938] ? mark_held_locks+0x130/0x130 [ 284.859192] ? find_get_entry+0xaae/0x1120 [ 284.863444] ? filemap_map_pages+0x1a20/0x1a20 [ 284.868039] ? zap_class+0x640/0x640 [ 284.871771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.877322] ? check_preemption_disabled+0x48/0x280 [ 284.882347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.887899] ? should_fail+0x22d/0xd01 [ 284.891801] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.896922] ? zap_class+0x640/0x640 [ 284.900673] ? __lock_is_held+0xb5/0x140 [ 284.904750] ? mark_held_locks+0x130/0x130 [ 284.908996] ? lock_release+0xa00/0xa00 [ 284.912976] ? perf_trace_sched_process_exec+0x860/0x860 [ 284.918429] ? xa_load+0x2ba/0x460 [ 284.921973] ? lock_downgrade+0x900/0x900 [ 284.926125] ? __might_sleep+0x95/0x190 [ 284.930107] __alloc_pages_nodemask+0xad8/0xea0 [ 284.934786] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 284.939806] ? __page_cache_alloc+0x191/0x5c0 [ 284.944299] ? xa_load+0x2e1/0x460 [ 284.947841] ? xa_clear_mark+0x40/0x40 [ 284.951728] ? zap_class+0x640/0x640 [ 284.955444] ? zap_class+0x640/0x640 [ 284.959167] ? zap_class+0x640/0x640 [ 284.962884] ? zap_class+0x640/0x640 [ 284.966620] ? __do_page_cache_readahead+0x663/0x810 [ 284.971728] ? find_held_lock+0x36/0x1c0 [ 284.975796] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 284.981349] alloc_pages_current+0x173/0x350 [ 284.985765] __page_cache_alloc+0x38c/0x5c0 [ 284.990091] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 284.995024] ? kasan_check_read+0x11/0x20 [ 284.999172] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.004456] ? generic_perform_write+0x6a0/0x6a0 [ 285.009218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.014762] ? check_preemption_disabled+0x48/0x280 [ 285.019793] filemap_fault+0x1595/0x25f0 [ 285.023873] ? __lock_page_or_retry+0xa00/0xa00 [ 285.028560] ? mark_held_locks+0x130/0x130 [ 285.032805] ? filemap_map_pages+0xd6b/0x1a20 [ 285.037309] ? lock_downgrade+0x900/0x900 [ 285.041459] ? check_preemption_disabled+0x48/0x280 [ 285.046478] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 285.051410] ? kasan_check_read+0x11/0x20 [ 285.055560] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.060837] ? rcu_softirq_qs+0x20/0x20 [ 285.064946] ? filemap_map_pages+0xd92/0x1a20 [ 285.069447] ? queue_work_on+0x12c/0x1e0 [ 285.073522] ? find_get_entries_tag+0x1400/0x1400 [ 285.078372] ? debug_object_destroy+0x2b0/0x2b0 [ 285.083053] ? lock_pi_update_atomic+0x150/0x150 [ 285.087813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.093366] ? lock_acquire+0x1ed/0x520 [ 285.097340] ? ext4_filemap_fault+0x7a/0xad [ 285.101670] ? lock_release+0xa00/0xa00 [ 285.105643] ? perf_trace_sched_process_exec+0x860/0x860 [ 285.111098] ? print_usage_bug+0xc0/0xc0 [ 285.115162] ? print_usage_bug+0xc0/0xc0 [ 285.119236] ? down_read+0x8d/0x120 [ 285.122872] ? ext4_filemap_fault+0x7a/0xad [ 285.127208] ? __down_interruptible+0x700/0x700 [ 285.131904] ext4_filemap_fault+0x82/0xad [ 285.136057] __do_fault+0x100/0x6b0 [ 285.139686] ? perf_tp_event+0xc20/0xc20 [ 285.143754] ? pmd_devmap_trans_unstable+0x220/0x220 [ 285.148866] ? mark_held_locks+0x130/0x130 [ 285.153122] ? mark_held_locks+0x130/0x130 [ 285.157363] ? debug_smp_processor_id+0x1c/0x20 [ 285.162033] ? perf_trace_lock+0x14d/0x7a0 [ 285.166275] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.171825] __handle_mm_fault+0x3ea0/0x5be0 [ 285.176329] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 285.181178] ? lock_is_held_type+0x210/0x210 [ 285.185594] ? __switch_to_asm+0x34/0x70 [ 285.189657] ? __switch_to_asm+0x34/0x70 [ 285.193731] ? zap_class+0x640/0x640 [ 285.197447] ? zap_class+0x640/0x640 [ 285.201166] ? __x64_sys_futex+0x53e/0x6a0 [ 285.205437] ? find_held_lock+0x36/0x1c0 [ 285.209509] ? handle_mm_fault+0x42a/0xc70 [ 285.213748] ? lock_downgrade+0x900/0x900 [ 285.217909] ? check_preemption_disabled+0x48/0x280 [ 285.222938] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 285.227912] ? kasan_check_read+0x11/0x20 [ 285.232073] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.237353] ? rcu_softirq_qs+0x20/0x20 [ 285.241344] ? trace_hardirqs_off_caller+0x310/0x310 [ 285.246451] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.252006] ? check_preemption_disabled+0x48/0x280 [ 285.257041] handle_mm_fault+0x54f/0xc70 [ 285.261119] ? __handle_mm_fault+0x5be0/0x5be0 [ 285.265707] ? find_vma+0x34/0x190 [ 285.269255] __do_page_fault+0x5e8/0xe60 [ 285.273317] ? trace_hardirqs_off+0xb8/0x310 [ 285.277735] do_page_fault+0xf2/0x7e0 [ 285.281539] ? vmalloc_sync_all+0x30/0x30 [ 285.285694] ? error_entry+0x70/0xd0 [ 285.289407] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.294440] ? trace_hardirqs_on_caller+0xc0/0x310 [ 285.299374] ? syscall_return_slowpath+0x5e0/0x5e0 [ 285.304301] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.309148] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.314165] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.319621] ? prepare_exit_to_usermode+0x291/0x3b0 [ 285.324641] ? page_fault+0x8/0x30 [ 285.328188] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.333034] ? page_fault+0x8/0x30 [ 285.336576] page_fault+0x1e/0x30 [ 285.340029] RIP: 0033:0x45ddf3 [ 285.343234] Code: Bad RIP value. [ 285.346600] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 285.351962] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 285.359273] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 285.366542] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 285.373811] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 285.381095] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 285.388395] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 285.388401] warn_alloc_show_mem: 1 callbacks suppressed [ 285.388413] Mem-Info: [ 285.395437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.400810] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 285.400810] active_file:10 inactive_file:13 isolated_file:0 [ 285.400810] unevictable:0 dirty:0 writeback:0 unstable:0 [ 285.400810] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 285.400810] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 285.400810] free:13776 free_pcp:523 free_cma:0 [ 285.403189] Call Trace: [ 285.412584] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 285.445624] [ 285.448201] 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 [ 285.475885] dump_stack+0x244/0x39d [ 285.478021] lowmem_reserve[]: 0 2818 6321 6321 [ 285.504149] ? dump_stack_print_info.cold.1+0x20/0x20 [ 285.507753] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 285.512347] warn_alloc.cold.116+0xb7/0x1bd [ 285.517498] lowmem_reserve[]: 0 0 3503 3503 [ 285.544847] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 285.549149] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 285.553470] ? lock_downgrade+0x900/0x900 [ 285.558282] lowmem_reserve[]: 0 0 0 0 [ 285.587381] ? trace_hardirqs_off+0xb8/0x310 [ 285.591510] 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 [ 285.595308] ? trace_hardirqs_off+0xb8/0x310 [ 285.599684] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 285.613579] __alloc_pages_slowpath+0x2651/0x2de0 [ 285.617973] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 285.633084] ? warn_alloc+0x120/0x120 [ 285.637888] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 285.652295] ? print_usage_bug+0xc0/0xc0 [ 285.656080] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 285.664924] ? warn_alloc+0x120/0x120 [ 285.668974] 1516 total pagecache pages [ 285.677555] ? warn_alloc+0x120/0x120 [ 285.681336] 0 pages in swap cache [ 285.685215] ? print_usage_bug+0xc0/0xc0 [ 285.688991] Swap cache stats: add 0, delete 0, find 0/0 [ 285.692459] ? kvm_clock_read+0x18/0x30 [ 285.696494] Free swap = 0kB [ 285.701853] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 285.705806] Total swap = 0kB [ 285.708818] ? print_usage_bug+0xc0/0xc0 [ 285.713809] 1965979 pages RAM [ 285.716821] ? __lock_acquire+0x62f/0x4c20 [ 285.720856] 0 pages HighMem/MovableOnly [ 285.723960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.728170] 342854 pages reserved [ 285.732139] ? should_fail+0x22d/0xd01 [ 285.737650] 0 pages cma reserved [ 285.741136] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.745065] aoe: skb alloc failure [ 285.748363] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.748380] ? __lock_acquire+0x62f/0x4c20 [ 285.748397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.753689] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.757197] ? __lock_acquire+0x62f/0x4c20 [ 285.762278] syz-fuzzer cpuset=/ mems_allowed=0 [ 285.766506] ? should_fail+0x22d/0xd01 [ 285.766522] ? rcu_irq_exit+0x1a2/0x390 [ 285.798483] ? mark_held_locks+0x130/0x130 [ 285.802726] ? mark_held_locks+0x130/0x130 [ 285.807026] ? mark_held_locks+0xc7/0x130 [ 285.811184] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 285.816211] ? zap_class+0x640/0x640 [ 285.819931] ? print_usage_bug+0xc0/0xc0 [ 285.824001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.829543] ? check_preemption_disabled+0x48/0x280 [ 285.834618] ? __lock_is_held+0xb5/0x140 [ 285.838777] __alloc_pages_nodemask+0xad8/0xea0 [ 285.843448] ? zap_class+0x640/0x640 [ 285.847180] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 285.852212] ? find_held_lock+0x36/0x1c0 [ 285.856290] ? ____cache_alloc_node+0x1c7/0x1e0 [ 285.860970] ? lock_downgrade+0x900/0x900 [ 285.865135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.870695] cache_grow_begin+0xa5/0x8c0 [ 285.874759] ? do_raw_spin_unlock+0xa7/0x330 [ 285.879185] fallback_alloc+0x204/0x2e0 [ 285.883172] ____cache_alloc_node+0x1c7/0x1e0 [ 285.887687] kmem_cache_alloc_node+0xe3/0x730 [ 285.892191] ? ipv6_get_ifaddr+0x42e/0x620 [ 285.896440] __alloc_skb+0x119/0x770 [ 285.900157] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.905447] ? netdev_alloc_frag+0x1f0/0x1f0 [ 285.909858] ? lock_downgrade+0x900/0x900 [ 285.914022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.919567] ? refcount_sub_and_test_checked+0x203/0x310 [ 285.925023] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 285.930482] ? addrconf_rs_timer+0x690/0x690 [ 285.934916] ndisc_alloc_skb+0x144/0x340 [ 285.938989] ndisc_send_rs+0x331/0x6e0 [ 285.942903] addrconf_rs_timer+0x314/0x690 [ 285.947150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.951409] call_timer_fn+0x272/0x920 [ 285.955305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.959543] ? process_timeout+0x40/0x40 [ 285.963617] ? mark_held_locks+0xc7/0x130 [ 285.967775] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.972277] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.976777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.981020] ? lockdep_hardirqs_on+0x296/0x5b0 [ 285.985608] ? trace_hardirqs_on+0xbd/0x310 [ 285.989938] ? kasan_check_read+0x11/0x20 [ 285.994115] ? __run_timers+0x7da/0xc70 [ 285.998094] ? trace_hardirqs_off_caller+0x310/0x310 [ 286.003218] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.007461] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.011708] __run_timers+0x7e5/0xc70 [ 286.015520] ? timer_fixup_init+0x70/0x70 [ 286.019672] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 286.024708] ? zap_class+0x640/0x640 [ 286.028431] ? print_usage_bug+0xc0/0xc0 [ 286.032507] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 286.037717] ? find_held_lock+0x36/0x1c0 [ 286.041784] ? zap_class+0x640/0x640 [ 286.045518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.051065] ? check_preemption_disabled+0x48/0x280 [ 286.056100] ? __lock_is_held+0xb5/0x140 [ 286.060165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.065708] ? check_preemption_disabled+0x48/0x280 [ 286.070734] run_timer_softirq+0x52/0xb0 [ 286.074804] ? rcu_read_lock_sched_held+0x14f/0x180 [ 286.079826] __do_softirq+0x308/0xb7e [ 286.083653] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 286.088152] ? lock_downgrade+0x900/0x900 [ 286.092306] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 286.097435] ? pvclock_read_flags+0x160/0x160 [ 286.101938] ? lapic_next_event+0x5a/0x90 [ 286.106110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.111654] ? kvm_clock_read+0x18/0x30 [ 286.115627] ? kvm_sched_clock_read+0x9/0x20 [ 286.120046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.125589] ? check_preemption_disabled+0x48/0x280 [ 286.130616] irq_exit+0x17f/0x1c0 [ 286.134075] smp_apic_timer_interrupt+0x1cb/0x760 [ 286.138931] ? smp_reschedule_interrupt+0x109/0x650 [ 286.143953] ? smp_call_function_single_interrupt+0x650/0x650 [ 286.149857] ? interrupt_entry+0xb5/0xc0 [ 286.153930] ? trace_hardirqs_off_caller+0xbb/0x310 [ 286.158951] ? trace_hardirqs_off_caller+0xbb/0x310 [ 286.163972] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.168818] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.173834] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.178864] ? task_prio+0x50/0x50 [ 286.182420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.187965] ? check_preemption_disabled+0x48/0x280 [ 286.192989] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.197845] apic_timer_interrupt+0xf/0x20 [ 286.202080] [ 286.204320] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 286.209254] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 286.228168] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 286.235900] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 286.243180] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 286.250454] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 286.257725] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 286.265001] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 286.272311] rcu_read_lock_held+0xa9/0xc0 [ 286.276468] list_lru_count_one+0x31a/0x450 [ 286.280792] ? list_lru_isolate_move+0x3c0/0x3c0 [ 286.285564] ? deferred_split_count+0x65/0x170 [ 286.290161] ? shrink_huge_zero_page_count+0xc8/0x100 [ 286.295362] super_cache_count+0x153/0x2e0 [ 286.299605] do_shrink_slab+0x1b1/0xd30 [ 286.303602] ? lock_acquire+0x1ed/0x520 [ 286.307587] ? snapshot_refaults+0x290/0x290 [ 286.312005] ? lock_release+0xa00/0xa00 [ 286.315989] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 286.320937] ? down_read_trylock+0xda/0x140 [ 286.325260] ? shrink_slab+0x207/0x8c0 [ 286.329152] ? downgrade_write+0x270/0x270 [ 286.333405] shrink_slab+0x389/0x8c0 [ 286.337123] ? shrink_active_list+0x1f00/0x1f00 [ 286.341804] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 286.347439] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 286.352557] ? cgroup_procs_write_finish+0xf0/0xf0 [ 286.357496] ? find_held_lock+0x36/0x1c0 [ 286.361571] shrink_node+0x431/0x16b0 [ 286.365374] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 286.370681] ? shrink_node_memcg+0x18f0/0x18f0 [ 286.375271] ? kvm_clock_read+0x18/0x30 [ 286.379250] ? ktime_get+0x2c1/0x400 [ 286.382971] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 286.387475] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 286.393025] ? __cpuset_node_allowed+0x19b/0x660 [ 286.397795] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 286.403514] ? delayacct_end+0x5a/0x100 [ 286.407505] do_try_to_free_pages+0x3e7/0x1290 [ 286.412106] ? zap_class+0x640/0x640 [ 286.415840] ? shrink_node+0x16b0/0x16b0 [ 286.419912] ? __lock_is_held+0xb5/0x140 [ 286.423994] try_to_free_pages+0x4d0/0xb90 [ 286.428240] ? do_try_to_free_pages+0x1290/0x1290 [ 286.433100] ? lock_acquire+0x1ed/0x520 [ 286.437076] ? set_page_refcounted+0x280/0x280 [ 286.441668] ? lock_release+0xa00/0xa00 [ 286.445669] ? _raw_spin_unlock_irq+0x60/0x80 [ 286.450166] ? psi_memstall_enter+0x240/0x2b0 [ 286.454663] ? psi_memstall_tick+0x230/0x230 [ 286.459084] __alloc_pages_slowpath+0xa48/0x2de0 [ 286.463870] ? warn_alloc+0x120/0x120 [ 286.467679] ? mark_held_locks+0x130/0x130 [ 286.471927] ? find_get_entry+0xaae/0x1120 [ 286.476174] ? filemap_map_pages+0x1a20/0x1a20 [ 286.480762] ? zap_class+0x640/0x640 [ 286.484496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.490041] ? check_preemption_disabled+0x48/0x280 [ 286.495058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.500599] ? should_fail+0x22d/0xd01 [ 286.504493] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.509611] ? zap_class+0x640/0x640 [ 286.513359] ? __lock_is_held+0xb5/0x140 [ 286.517433] ? mark_held_locks+0x130/0x130 [ 286.521671] ? lock_release+0xa00/0xa00 [ 286.525649] ? perf_trace_sched_process_exec+0x860/0x860 [ 286.531099] ? xa_load+0x2ba/0x460 [ 286.534641] ? lock_downgrade+0x900/0x900 [ 286.538796] ? __might_sleep+0x95/0x190 [ 286.542779] __alloc_pages_nodemask+0xad8/0xea0 [ 286.547457] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 286.552491] ? __page_cache_alloc+0x191/0x5c0 [ 286.556990] ? xa_load+0x2e1/0x460 [ 286.560535] ? xa_clear_mark+0x40/0x40 [ 286.564440] ? zap_class+0x640/0x640 [ 286.568162] ? zap_class+0x640/0x640 [ 286.571875] ? zap_class+0x640/0x640 [ 286.575600] ? __do_page_cache_readahead+0x663/0x810 [ 286.580713] ? find_held_lock+0x36/0x1c0 [ 286.584789] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 286.590336] alloc_pages_current+0x173/0x350 [ 286.594754] __page_cache_alloc+0x38c/0x5c0 [ 286.599080] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 286.604016] ? kasan_check_read+0x11/0x20 [ 286.608166] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 286.613453] ? generic_perform_write+0x6a0/0x6a0 [ 286.618233] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.623780] ? check_preemption_disabled+0x48/0x280 [ 286.628809] filemap_fault+0x1595/0x25f0 [ 286.632883] ? __lock_page_or_retry+0xa00/0xa00 [ 286.637565] ? mark_held_locks+0x130/0x130 [ 286.641817] ? filemap_map_pages+0xd6b/0x1a20 [ 286.646317] ? lock_downgrade+0x900/0x900 [ 286.650480] ? check_preemption_disabled+0x48/0x280 [ 286.655505] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 286.660434] ? kasan_check_read+0x11/0x20 [ 286.664585] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 286.669866] ? rcu_softirq_qs+0x20/0x20 [ 286.673869] ? filemap_map_pages+0xd92/0x1a20 [ 286.678398] ? print_usage_bug+0xc0/0xc0 [ 286.682475] ? find_get_entries_tag+0x1400/0x1400 [ 286.687326] ? __kasan_slab_free+0x102/0x150 [ 286.691746] ? kasan_slab_free+0xe/0x10 [ 286.695719] ? kmem_cache_free+0x83/0x290 [ 286.699872] ? __sigqueue_free.part.29+0x74/0x90 [ 286.704655] ? lock_acquire+0x1ed/0x520 [ 286.708633] ? ext4_filemap_fault+0x7a/0xad [ 286.712962] ? lock_release+0xa00/0xa00 [ 286.716937] ? perf_trace_sched_process_exec+0x860/0x860 [ 286.722391] ? print_usage_bug+0xc0/0xc0 [ 286.726464] ? print_usage_bug+0xc0/0xc0 [ 286.730535] ? down_read+0x8d/0x120 [ 286.734164] ? ext4_filemap_fault+0x7a/0xad [ 286.739031] ? __down_interruptible+0x700/0x700 [ 286.743799] ext4_filemap_fault+0x82/0xad [ 286.747953] __do_fault+0x100/0x6b0 [ 286.751586] ? pmd_devmap_trans_unstable+0x220/0x220 [ 286.756704] ? mark_held_locks+0x130/0x130 [ 286.760950] ? mark_held_locks+0x130/0x130 [ 286.765196] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 286.770740] ? rcu_pm_notify+0xc0/0xc0 [ 286.774646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.780196] __handle_mm_fault+0x3ea0/0x5be0 [ 286.784619] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 286.789463] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.793960] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 286.798552] ? trace_hardirqs_on+0xbd/0x310 [ 286.802875] ? kasan_check_read+0x11/0x20 [ 286.807033] ? __set_current_blocked+0xdf/0x120 [ 286.811709] ? trace_hardirqs_off_caller+0x310/0x310 [ 286.816826] ? zap_class+0x640/0x640 [ 286.820543] ? zap_class+0x640/0x640 [ 286.824264] ? find_held_lock+0x36/0x1c0 [ 286.828336] ? handle_mm_fault+0x42a/0xc70 [ 286.832575] ? lock_downgrade+0x900/0x900 [ 286.836725] ? check_preemption_disabled+0x48/0x280 [ 286.841753] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 286.846695] ? kasan_check_read+0x11/0x20 [ 286.850843] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 286.856123] ? rcu_softirq_qs+0x20/0x20 [ 286.860097] ? trace_hardirqs_off_caller+0x310/0x310 [ 286.865206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.870748] ? check_preemption_disabled+0x48/0x280 [ 286.875777] handle_mm_fault+0x54f/0xc70 [ 286.879849] ? __handle_mm_fault+0x5be0/0x5be0 [ 286.884440] ? find_vma+0x34/0x190 [ 286.887992] __do_page_fault+0x5e8/0xe60 [ 286.892057] ? exit_to_usermode_loop+0x1f4/0x380 [ 286.896826] do_page_fault+0xf2/0x7e0 [ 286.900626] ? vmalloc_sync_all+0x30/0x30 [ 286.904775] ? error_entry+0x70/0xd0 [ 286.908490] ? trace_hardirqs_off_caller+0xbb/0x310 [ 286.913508] ? trace_hardirqs_on_caller+0xc0/0x310 [ 286.918437] ? syscall_return_slowpath+0x5e0/0x5e0 [ 286.923368] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.928222] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.933242] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.938703] ? prepare_exit_to_usermode+0x291/0x3b0 [ 286.943720] ? page_fault+0x8/0x30 [ 286.947265] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.952113] ? page_fault+0x8/0x30 [ 286.955657] page_fault+0x1e/0x30 [ 286.959108] RIP: 0033:0x45db60 [ 286.962318] Code: Bad RIP value. [ 286.965683] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 286.971046] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 286.978317] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 286.985589] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 286.992861] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 287.000150] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 287.007457] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 287.007526] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.014480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.014489] Call Trace: [ 287.021116] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.030327] [ 287.032923] syz-fuzzer cpuset=/ mems_allowed=0 [ 287.043155] dump_stack+0x244/0x39d [ 287.053478] ? dump_stack_print_info.cold.1+0x20/0x20 [ 287.058682] warn_alloc.cold.116+0xb7/0x1bd [ 287.063011] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 287.067860] ? lock_downgrade+0x900/0x900 [ 287.072027] ? trace_hardirqs_off+0xb8/0x310 [ 287.076443] ? trace_hardirqs_off+0xb8/0x310 [ 287.080872] __alloc_pages_slowpath+0x2651/0x2de0 [ 287.085759] ? warn_alloc+0x120/0x120 [ 287.089574] ? warn_alloc+0x120/0x120 [ 287.093380] ? __lock_acquire+0x62f/0x4c20 [ 287.097620] ? warn_alloc+0x120/0x120 [ 287.101432] ? print_usage_bug+0xc0/0xc0 [ 287.105501] ? print_usage_bug+0xc0/0xc0 [ 287.109583] ? mark_held_locks+0x130/0x130 [ 287.113828] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.119366] ? should_fail+0x22d/0xd01 [ 287.123256] ? zap_class+0x640/0x640 [ 287.126978] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.132088] ? __lock_acquire+0x62f/0x4c20 [ 287.136334] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.141441] ? should_fail+0x22d/0xd01 [ 287.145385] ? mark_held_locks+0x130/0x130 [ 287.149626] ? mark_held_locks+0x130/0x130 [ 287.153863] ? lock_downgrade+0x900/0x900 [ 287.158030] ? zap_class+0x640/0x640 [ 287.161748] ? zap_class+0x640/0x640 [ 287.165465] ? zap_class+0x640/0x640 [ 287.169177] ? do_raw_spin_unlock+0xa7/0x330 [ 287.173592] ? trace_hardirqs_on+0x310/0x310 [ 287.178010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.183552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.189091] ? check_preemption_disabled+0x48/0x280 [ 287.194118] ? __lock_is_held+0xb5/0x140 [ 287.198188] __alloc_pages_nodemask+0xad8/0xea0 [ 287.202862] ? zap_class+0x640/0x640 [ 287.206594] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 287.211621] ? find_held_lock+0x36/0x1c0 [ 287.215707] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.220383] ? lock_downgrade+0x900/0x900 [ 287.224557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.230104] cache_grow_begin+0xa5/0x8c0 [ 287.234171] ? do_raw_spin_unlock+0xa7/0x330 [ 287.238588] fallback_alloc+0x204/0x2e0 [ 287.242575] ____cache_alloc_node+0x1c7/0x1e0 [ 287.247080] kmem_cache_alloc_node+0xe3/0x730 [ 287.251586] ? lockdep_hardirqs_on+0x296/0x5b0 [ 287.256179] __alloc_skb+0x119/0x770 [ 287.259907] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.265281] ? netdev_alloc_frag+0x1f0/0x1f0 [ 287.269702] ? vprintk_default+0x28/0x30 [ 287.273776] ? vprintk_func+0x85/0x181 [ 287.277678] ? printk+0xa7/0xcf [ 287.280963] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 287.285725] ? do_raw_spin_trylock+0x270/0x270 [ 287.290314] new_skb+0x26/0x1c0 [ 287.293598] aoecmd_cfg+0x279/0x7f0 [ 287.297228] ? find_held_lock+0x36/0x1c0 [ 287.301294] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 287.305625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.311176] ? __lock_is_held+0xb5/0x140 [ 287.315250] discover_timer+0x50/0x60 [ 287.319061] call_timer_fn+0x272/0x920 [ 287.322957] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 287.327807] ? process_timeout+0x40/0x40 [ 287.331879] ? mark_held_locks+0xc7/0x130 [ 287.336047] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.340542] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.345040] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 287.349883] ? lockdep_hardirqs_on+0x296/0x5b0 [ 287.354488] ? trace_hardirqs_on+0xbd/0x310 [ 287.358815] ? kasan_check_read+0x11/0x20 [ 287.362963] ? __run_timers+0x7da/0xc70 [ 287.366941] ? trace_hardirqs_off_caller+0x310/0x310 [ 287.372069] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 287.377624] __run_timers+0x7e5/0xc70 [ 287.381437] ? timer_fixup_init+0x70/0x70 [ 287.385594] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.390612] ? zap_class+0x640/0x640 [ 287.394333] ? print_usage_bug+0xc0/0xc0 [ 287.398399] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.403596] ? find_held_lock+0x36/0x1c0 [ 287.407664] ? zap_class+0x640/0x640 [ 287.411386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.416948] ? check_preemption_disabled+0x48/0x280 [ 287.421985] ? __lock_is_held+0xb5/0x140 [ 287.426050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.431588] ? check_preemption_disabled+0x48/0x280 [ 287.436611] run_timer_softirq+0x52/0xb0 [ 287.440673] ? rcu_read_lock_sched_held+0x14f/0x180 [ 287.445696] __do_softirq+0x308/0xb7e [ 287.449503] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 287.453999] ? lock_downgrade+0x900/0x900 [ 287.458155] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 287.463269] ? pvclock_read_flags+0x160/0x160 [ 287.467768] ? lapic_next_event+0x5a/0x90 [ 287.471943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.477488] ? kvm_clock_read+0x18/0x30 [ 287.481463] ? kvm_sched_clock_read+0x9/0x20 [ 287.485875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.491426] ? check_preemption_disabled+0x48/0x280 [ 287.496455] irq_exit+0x17f/0x1c0 [ 287.499929] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.504772] ? smp_reschedule_interrupt+0x109/0x650 [ 287.509790] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.515688] ? interrupt_entry+0xb5/0xc0 [ 287.519759] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.524787] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.529820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.534663] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.539679] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.544695] ? task_prio+0x50/0x50 [ 287.548238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.553778] ? check_preemption_disabled+0x48/0x280 [ 287.558803] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.563656] apic_timer_interrupt+0xf/0x20 [ 287.567882] [ 287.570137] RIP: 0010:console_unlock+0x102f/0x1190 [ 287.575066] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 287.593967] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 287.601673] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 287.609403] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 287.616678] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 287.623945] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 287.631221] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 287.638505] ? netconsole_netdev_event+0x280/0x280 [ 287.643440] ? console_unlock+0x1026/0x1190 [ 287.647803] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 287.652475] ? lock_release+0xa00/0xa00 [ 287.656475] ? retint_kernel+0x2d/0x2d [ 287.660380] vprintk_emit+0x391/0x990 [ 287.664190] ? wake_up_klogd+0x180/0x180 [ 287.668269] ? match_held_lock+0x811/0x8d0 [ 287.672518] ? mark_held_locks+0xc7/0x130 [ 287.676673] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.681170] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.685686] vprintk_default+0x28/0x30 [ 287.689579] vprintk_func+0x7e/0x181 [ 287.693308] printk+0xa7/0xcf [ 287.696420] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 287.701179] ? _raw_spin_unlock_irq+0x60/0x80 [ 287.705723] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 287.711009] dump_header+0x7cc/0xf72 [ 287.714735] ? pagefault_out_of_memory+0x197/0x197 [ 287.719707] ? __lock_acquire+0x62f/0x4c20 [ 287.723947] ? percpu_ref_get_many+0x240/0x240 [ 287.728536] ? print_usage_bug+0xc0/0xc0 [ 287.732607] ? zap_class+0x640/0x640 [ 287.736330] ? print_usage_bug+0xc0/0xc0 [ 287.740394] ? zap_class+0x640/0x640 [ 287.744181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.749729] ? find_held_lock+0x36/0x1c0 [ 287.753822] ? mark_held_locks+0xc7/0x130 [ 287.757974] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 287.763089] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 287.768205] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 287.772793] ? trace_hardirqs_on+0xbd/0x310 [ 287.777118] ? kasan_check_read+0x11/0x20 [ 287.781270] ? ___ratelimit+0x3b4/0x672 [ 287.785248] ? trace_hardirqs_off_caller+0x310/0x310 [ 287.790353] ? trace_hardirqs_on+0x310/0x310 [ 287.794767] ? lock_downgrade+0x900/0x900 [ 287.798934] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 287.804041] ? ___ratelimit+0x3b9/0x672 [ 287.808024] ? idr_get_free+0xf70/0xf70 [ 287.812013] ? find_held_lock+0x36/0x1c0 [ 287.816084] oom_kill_process.cold.27+0x10/0x903 [ 287.820845] ? zap_class+0x640/0x640 [ 287.824561] ? check_preemption_disabled+0x48/0x280 [ 287.829584] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 287.834517] ? kasan_check_read+0x11/0x20 [ 287.838665] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.843944] ? oom_evaluate_task+0x540/0x540 [ 287.848374] ? find_held_lock+0x36/0x1c0 [ 287.852442] ? out_of_memory+0x974/0x1430 [ 287.856593] ? lock_downgrade+0x900/0x900 [ 287.860758] ? check_preemption_disabled+0x48/0x280 [ 287.865781] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 287.870713] ? kasan_check_read+0x11/0x20 [ 287.874860] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.880161] ? rcu_softirq_qs+0x20/0x20 [ 287.884139] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 287.889683] ? oom_evaluate_task+0x302/0x540 [ 287.894105] out_of_memory+0xa84/0x1430 [ 287.898091] ? oom_killer_disable+0x3a0/0x3a0 [ 287.902610] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 287.907546] ? __ww_mutex_check_waiters+0x160/0x160 [ 287.912573] __alloc_pages_slowpath+0x232c/0x2de0 [ 287.917458] ? warn_alloc+0x120/0x120 [ 287.921265] ? mark_held_locks+0x130/0x130 [ 287.925506] ? find_get_entry+0xaae/0x1120 [ 287.929751] ? filemap_map_pages+0x1a20/0x1a20 [ 287.934339] ? zap_class+0x640/0x640 [ 287.938078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.943618] ? check_preemption_disabled+0x48/0x280 [ 287.948634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.954177] ? should_fail+0x22d/0xd01 [ 287.958074] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.963181] ? zap_class+0x640/0x640 [ 287.966930] ? __lock_is_held+0xb5/0x140 [ 287.971006] ? mark_held_locks+0x130/0x130 [ 287.975245] ? lock_release+0xa00/0xa00 [ 287.979220] ? perf_trace_sched_process_exec+0x860/0x860 [ 287.984685] ? xa_load+0x2ba/0x460 [ 287.988246] ? lock_downgrade+0x900/0x900 [ 287.992416] ? __might_sleep+0x95/0x190 [ 287.996396] __alloc_pages_nodemask+0xad8/0xea0 [ 288.001075] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 288.006099] ? __page_cache_alloc+0x191/0x5c0 [ 288.010594] ? xa_load+0x2e1/0x460 [ 288.014133] ? xa_clear_mark+0x40/0x40 [ 288.018021] ? zap_class+0x640/0x640 [ 288.021742] ? zap_class+0x640/0x640 [ 288.025477] ? zap_class+0x640/0x640 [ 288.029194] ? zap_class+0x640/0x640 [ 288.032919] ? __do_page_cache_readahead+0x663/0x810 [ 288.038028] ? find_held_lock+0x36/0x1c0 [ 288.042096] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 288.047645] alloc_pages_current+0x173/0x350 [ 288.052063] __page_cache_alloc+0x38c/0x5c0 [ 288.056387] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 288.061323] ? kasan_check_read+0x11/0x20 [ 288.065471] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 288.070748] ? generic_perform_write+0x6a0/0x6a0 [ 288.075511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.081051] ? check_preemption_disabled+0x48/0x280 [ 288.086090] filemap_fault+0x1595/0x25f0 [ 288.090165] ? __lock_page_or_retry+0xa00/0xa00 [ 288.094846] ? mark_held_locks+0x130/0x130 [ 288.099091] ? filemap_map_pages+0xd6b/0x1a20 [ 288.103596] ? lock_downgrade+0x900/0x900 [ 288.107753] ? check_preemption_disabled+0x48/0x280 [ 288.112772] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 288.117709] ? kasan_check_read+0x11/0x20 [ 288.121857] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 288.127161] ? rcu_softirq_qs+0x20/0x20 [ 288.131153] ? filemap_map_pages+0xd92/0x1a20 [ 288.135654] ? queue_work_on+0x12c/0x1e0 [ 288.139720] ? find_get_entries_tag+0x1400/0x1400 [ 288.144569] ? debug_object_destroy+0x2b0/0x2b0 [ 288.149242] ? lock_pi_update_atomic+0x150/0x150 [ 288.154001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.159555] ? lock_acquire+0x1ed/0x520 [ 288.163530] ? ext4_filemap_fault+0x7a/0xad [ 288.167861] ? lock_release+0xa00/0xa00 [ 288.171844] ? perf_trace_sched_process_exec+0x860/0x860 [ 288.177312] ? print_usage_bug+0xc0/0xc0 [ 288.181374] ? print_usage_bug+0xc0/0xc0 [ 288.185447] ? down_read+0x8d/0x120 [ 288.189072] ? ext4_filemap_fault+0x7a/0xad [ 288.193393] ? __down_interruptible+0x700/0x700 [ 288.198071] ext4_filemap_fault+0x82/0xad [ 288.202225] __do_fault+0x100/0x6b0 [ 288.205855] ? perf_tp_event+0xc20/0xc20 [ 288.209931] ? pmd_devmap_trans_unstable+0x220/0x220 [ 288.215039] ? mark_held_locks+0x130/0x130 [ 288.219274] ? mark_held_locks+0x130/0x130 [ 288.223512] ? debug_smp_processor_id+0x1c/0x20 [ 288.228179] ? perf_trace_lock+0x14d/0x7a0 [ 288.232420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.237970] __handle_mm_fault+0x3ea0/0x5be0 [ 288.242390] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 288.247235] ? lock_is_held_type+0x210/0x210 [ 288.251649] ? __switch_to_asm+0x34/0x70 [ 288.255710] ? __switch_to_asm+0x34/0x70 [ 288.259795] ? zap_class+0x640/0x640 [ 288.263508] ? zap_class+0x640/0x640 [ 288.267220] ? __x64_sys_futex+0x53e/0x6a0 [ 288.271458] ? find_held_lock+0x36/0x1c0 [ 288.275529] ? handle_mm_fault+0x42a/0xc70 [ 288.279764] ? lock_downgrade+0x900/0x900 [ 288.283926] ? check_preemption_disabled+0x48/0x280 [ 288.288946] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 288.293876] ? kasan_check_read+0x11/0x20 [ 288.298034] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 288.303308] ? rcu_softirq_qs+0x20/0x20 [ 288.307281] ? trace_hardirqs_off_caller+0x310/0x310 [ 288.312385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.317936] ? check_preemption_disabled+0x48/0x280 [ 288.322965] handle_mm_fault+0x54f/0xc70 [ 288.327031] ? __handle_mm_fault+0x5be0/0x5be0 [ 288.331617] ? find_vma+0x34/0x190 [ 288.335164] __do_page_fault+0x5e8/0xe60 [ 288.339253] ? trace_hardirqs_off+0xb8/0x310 [ 288.343677] do_page_fault+0xf2/0x7e0 [ 288.347480] ? vmalloc_sync_all+0x30/0x30 [ 288.351629] ? error_entry+0x70/0xd0 [ 288.355345] ? trace_hardirqs_off_caller+0xbb/0x310 [ 288.360360] ? trace_hardirqs_on_caller+0xc0/0x310 [ 288.365290] ? syscall_return_slowpath+0x5e0/0x5e0 [ 288.370217] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.375062] ? trace_hardirqs_on_caller+0x310/0x310 [ 288.380082] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.385536] ? prepare_exit_to_usermode+0x291/0x3b0 [ 288.390554] ? page_fault+0x8/0x30 [ 288.394100] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.398964] ? page_fault+0x8/0x30 [ 288.402505] page_fault+0x1e/0x30 [ 288.405957] RIP: 0033:0x45ddf3 [ 288.409169] Code: Bad RIP value. [ 288.412550] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 288.417917] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 288.425183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 288.432451] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 288.439715] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 288.446985] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 288.454277] warn_alloc_show_mem: 1 callbacks suppressed [ 288.454288] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 288.454290] Mem-Info: [ 288.454320] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 288.454320] active_file:10 inactive_file:13 isolated_file:0 [ 288.454320] unevictable:0 dirty:0 writeback:0 unstable:0 [ 288.454320] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 288.454320] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 288.454320] free:13776 free_pcp:523 free_cma:0 [ 288.459669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.466684] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 288.469082] Call Trace: [ 288.502135] 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 [ 288.511485] [ 288.539148] lowmem_reserve[]: 0 2818 6321 6321 [ 288.541745] dump_stack+0x244/0x39d [ 288.567829] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 288.570000] ? dump_stack_print_info.cold.1+0x20/0x20 [ 288.574537] lowmem_reserve[]: 0 0 3503 3503 [ 288.578177] warn_alloc.cold.116+0xb7/0x1bd [ 288.605480] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 288.610679] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 288.614971] lowmem_reserve[]: 0 0 0 0 [ 288.619292] ? lock_downgrade+0x900/0x900 [ 288.648350] 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 [ 288.653209] ? trace_hardirqs_off+0xb8/0x310 [ 288.656976] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 288.661125] ? trace_hardirqs_off+0xb8/0x310 [ 288.674621] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 288.679040] __alloc_pages_slowpath+0x2651/0x2de0 [ 288.694100] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 288.698526] ? warn_alloc+0x120/0x120 [ 288.712876] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 288.717721] ? print_usage_bug+0xc0/0xc0 [ 288.726528] 1516 total pagecache pages [ 288.730326] ? warn_alloc+0x120/0x120 [ 288.739064] 0 pages in swap cache [ 288.743121] ? warn_alloc+0x120/0x120 [ 288.746986] Swap cache stats: add 0, delete 0, find 0/0 [ 288.750781] ? print_usage_bug+0xc0/0xc0 [ 288.754219] Free swap = 0kB [ 288.758013] ? kvm_clock_read+0x18/0x30 [ 288.763354] Total swap = 0kB [ 288.767416] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 288.770411] 1965979 pages RAM [ 288.774409] ? print_usage_bug+0xc0/0xc0 [ 288.777401] 0 pages HighMem/MovableOnly [ 288.782419] ? __lock_acquire+0x62f/0x4c20 [ 288.785498] 342854 pages reserved [ 288.789571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.793501] 0 pages cma reserved [ 288.797736] ? should_fail+0x22d/0xd01 [ 288.801241] aoe: skb alloc failure [ 288.806700] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 288.806720] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.810124] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 288.813959] ? __lock_acquire+0x62f/0x4c20 [ 288.817476] syz-fuzzer cpuset=/ mems_allowed=0 [ 288.822751] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.851930] ? __lock_acquire+0x62f/0x4c20 [ 288.856168] ? should_fail+0x22d/0xd01 [ 288.860055] ? rcu_irq_exit+0x1a2/0x390 [ 288.864044] ? mark_held_locks+0x130/0x130 [ 288.868288] ? mark_held_locks+0x130/0x130 [ 288.872530] ? mark_held_locks+0xc7/0x130 [ 288.876680] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 288.881711] ? zap_class+0x640/0x640 [ 288.885432] ? print_usage_bug+0xc0/0xc0 [ 288.889500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.895042] ? check_preemption_disabled+0x48/0x280 [ 288.900084] ? __lock_is_held+0xb5/0x140 [ 288.904162] __alloc_pages_nodemask+0xad8/0xea0 [ 288.908831] ? zap_class+0x640/0x640 [ 288.912553] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 288.917590] ? find_held_lock+0x36/0x1c0 [ 288.921681] ? ____cache_alloc_node+0x1c7/0x1e0 [ 288.926355] ? lock_downgrade+0x900/0x900 [ 288.930512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.936059] cache_grow_begin+0xa5/0x8c0 [ 288.940124] ? do_raw_spin_unlock+0xa7/0x330 [ 288.944554] fallback_alloc+0x204/0x2e0 [ 288.948537] ____cache_alloc_node+0x1c7/0x1e0 [ 288.953042] kmem_cache_alloc_node+0xe3/0x730 [ 288.957538] ? ipv6_get_ifaddr+0x42e/0x620 [ 288.961782] __alloc_skb+0x119/0x770 [ 288.965496] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 288.970782] ? netdev_alloc_frag+0x1f0/0x1f0 [ 288.975193] ? lock_downgrade+0x900/0x900 [ 288.979353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.984902] ? refcount_sub_and_test_checked+0x203/0x310 [ 288.990363] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 288.995815] ? addrconf_rs_timer+0x690/0x690 [ 289.000241] ndisc_alloc_skb+0x144/0x340 [ 289.004310] ndisc_send_rs+0x331/0x6e0 [ 289.008204] addrconf_rs_timer+0x314/0x690 [ 289.012451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.016700] call_timer_fn+0x272/0x920 [ 289.020592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.024826] ? process_timeout+0x40/0x40 [ 289.028905] ? mark_held_locks+0xc7/0x130 [ 289.033071] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.037569] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.042068] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.046304] ? lockdep_hardirqs_on+0x296/0x5b0 [ 289.050899] ? trace_hardirqs_on+0xbd/0x310 [ 289.055223] ? kasan_check_read+0x11/0x20 [ 289.059370] ? __run_timers+0x7da/0xc70 [ 289.063351] ? trace_hardirqs_off_caller+0x310/0x310 [ 289.068460] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.072723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.076976] __run_timers+0x7e5/0xc70 [ 289.080789] ? timer_fixup_init+0x70/0x70 [ 289.084946] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 289.089970] ? zap_class+0x640/0x640 [ 289.093702] ? print_usage_bug+0xc0/0xc0 [ 289.097773] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 289.102974] ? find_held_lock+0x36/0x1c0 [ 289.107043] ? zap_class+0x640/0x640 [ 289.110766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.116308] ? check_preemption_disabled+0x48/0x280 [ 289.121339] ? __lock_is_held+0xb5/0x140 [ 289.125409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.130955] ? check_preemption_disabled+0x48/0x280 [ 289.135989] run_timer_softirq+0x52/0xb0 [ 289.140051] ? rcu_read_lock_sched_held+0x14f/0x180 [ 289.145084] __do_softirq+0x308/0xb7e [ 289.148913] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 289.153415] ? lock_downgrade+0x900/0x900 [ 289.157573] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 289.162685] ? pvclock_read_flags+0x160/0x160 [ 289.167194] ? lapic_next_event+0x5a/0x90 [ 289.171350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.176902] ? kvm_clock_read+0x18/0x30 [ 289.180878] ? kvm_sched_clock_read+0x9/0x20 [ 289.185297] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.190838] ? check_preemption_disabled+0x48/0x280 [ 289.195870] irq_exit+0x17f/0x1c0 [ 289.199339] smp_apic_timer_interrupt+0x1cb/0x760 [ 289.204198] ? smp_reschedule_interrupt+0x109/0x650 [ 289.209231] ? smp_call_function_single_interrupt+0x650/0x650 [ 289.215117] ? interrupt_entry+0xb5/0xc0 [ 289.219185] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.224205] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.229225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.234067] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.239083] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.244100] ? task_prio+0x50/0x50 [ 289.247646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.253189] ? check_preemption_disabled+0x48/0x280 [ 289.258211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.263066] apic_timer_interrupt+0xf/0x20 [ 289.267298] [ 289.269539] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 289.274469] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 289.293383] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 289.301108] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 289.308378] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 289.315654] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 289.322926] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 289.330207] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 289.337513] rcu_read_lock_held+0xa9/0xc0 [ 289.341676] list_lru_count_one+0x31a/0x450 [ 289.346004] ? list_lru_isolate_move+0x3c0/0x3c0 [ 289.350773] ? deferred_split_count+0x65/0x170 [ 289.355359] ? shrink_huge_zero_page_count+0xc8/0x100 [ 289.360558] super_cache_count+0x153/0x2e0 [ 289.364819] do_shrink_slab+0x1b1/0xd30 [ 289.368807] ? lock_acquire+0x1ed/0x520 [ 289.372797] ? snapshot_refaults+0x290/0x290 [ 289.377213] ? lock_release+0xa00/0xa00 [ 289.381198] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 289.386142] ? down_read_trylock+0xda/0x140 [ 289.390463] ? shrink_slab+0x207/0x8c0 [ 289.394377] ? downgrade_write+0x270/0x270 [ 289.398626] shrink_slab+0x389/0x8c0 [ 289.402346] ? shrink_active_list+0x1f00/0x1f00 [ 289.407028] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 289.412666] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 289.417778] ? cgroup_procs_write_finish+0xf0/0xf0 [ 289.422719] ? find_held_lock+0x36/0x1c0 [ 289.426836] shrink_node+0x431/0x16b0 [ 289.430644] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 289.435962] ? shrink_node_memcg+0x18f0/0x18f0 [ 289.440559] ? kvm_clock_read+0x18/0x30 [ 289.444535] ? ktime_get+0x2c1/0x400 [ 289.448258] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 289.452758] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 289.458298] ? __cpuset_node_allowed+0x19b/0x660 [ 289.463059] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 289.468771] ? delayacct_end+0x5a/0x100 [ 289.472763] do_try_to_free_pages+0x3e7/0x1290 [ 289.477347] ? zap_class+0x640/0x640 [ 289.481081] ? shrink_node+0x16b0/0x16b0 [ 289.485150] ? __lock_is_held+0xb5/0x140 [ 289.489225] try_to_free_pages+0x4d0/0xb90 [ 289.493468] ? do_try_to_free_pages+0x1290/0x1290 [ 289.498328] ? lock_acquire+0x1ed/0x520 [ 289.502301] ? set_page_refcounted+0x280/0x280 [ 289.506899] ? lock_release+0xa00/0xa00 [ 289.510877] ? _raw_spin_unlock_irq+0x60/0x80 [ 289.515379] ? psi_memstall_enter+0x240/0x2b0 [ 289.519882] ? psi_memstall_tick+0x230/0x230 [ 289.524314] __alloc_pages_slowpath+0xa48/0x2de0 [ 289.529102] ? warn_alloc+0x120/0x120 [ 289.532908] ? mark_held_locks+0x130/0x130 [ 289.537149] ? find_get_entry+0xaae/0x1120 [ 289.541393] ? filemap_map_pages+0x1a20/0x1a20 [ 289.545985] ? zap_class+0x640/0x640 [ 289.549709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.555252] ? check_preemption_disabled+0x48/0x280 [ 289.560283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.565821] ? should_fail+0x22d/0xd01 [ 289.569721] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.574827] ? zap_class+0x640/0x640 [ 289.578583] ? __lock_is_held+0xb5/0x140 [ 289.582659] ? mark_held_locks+0x130/0x130 [ 289.586907] ? lock_release+0xa00/0xa00 [ 289.590884] ? perf_trace_sched_process_exec+0x860/0x860 [ 289.596343] ? xa_load+0x2ba/0x460 [ 289.599884] ? lock_downgrade+0x900/0x900 [ 289.604047] ? __might_sleep+0x95/0x190 [ 289.608449] __alloc_pages_nodemask+0xad8/0xea0 [ 289.613128] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 289.618149] ? __page_cache_alloc+0x191/0x5c0 [ 289.622641] ? xa_load+0x2e1/0x460 [ 289.626182] ? xa_clear_mark+0x40/0x40 [ 289.630076] ? zap_class+0x640/0x640 [ 289.633798] ? zap_class+0x640/0x640 [ 289.637514] ? zap_class+0x640/0x640 [ 289.641228] ? __do_page_cache_readahead+0x663/0x810 [ 289.646340] ? find_held_lock+0x36/0x1c0 [ 289.650414] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 289.655964] alloc_pages_current+0x173/0x350 [ 289.660380] __page_cache_alloc+0x38c/0x5c0 [ 289.664712] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 289.669659] ? kasan_check_read+0x11/0x20 [ 289.673817] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 289.679097] ? generic_perform_write+0x6a0/0x6a0 [ 289.683855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.689395] ? check_preemption_disabled+0x48/0x280 [ 289.694433] filemap_fault+0x1595/0x25f0 [ 289.698539] ? __lock_page_or_retry+0xa00/0xa00 [ 289.703212] ? mark_held_locks+0x130/0x130 [ 289.707457] ? filemap_map_pages+0xd6b/0x1a20 [ 289.711952] ? lock_downgrade+0x900/0x900 [ 289.716103] ? check_preemption_disabled+0x48/0x280 [ 289.721129] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 289.726085] ? kasan_check_read+0x11/0x20 [ 289.730266] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 289.735543] ? rcu_softirq_qs+0x20/0x20 [ 289.739533] ? filemap_map_pages+0xd92/0x1a20 [ 289.744036] ? print_usage_bug+0xc0/0xc0 [ 289.748104] ? find_get_entries_tag+0x1400/0x1400 [ 289.752948] ? __kasan_slab_free+0x102/0x150 [ 289.757355] ? kasan_slab_free+0xe/0x10 [ 289.761327] ? kmem_cache_free+0x83/0x290 [ 289.765479] ? __sigqueue_free.part.29+0x74/0x90 [ 289.770255] ? lock_acquire+0x1ed/0x520 [ 289.774242] ? ext4_filemap_fault+0x7a/0xad [ 289.778570] ? lock_release+0xa00/0xa00 [ 289.782548] ? perf_trace_sched_process_exec+0x860/0x860 [ 289.788005] ? print_usage_bug+0xc0/0xc0 [ 289.792072] ? print_usage_bug+0xc0/0xc0 [ 289.796146] ? down_read+0x8d/0x120 [ 289.799771] ? ext4_filemap_fault+0x7a/0xad [ 289.804097] ? __down_interruptible+0x700/0x700 [ 289.808776] ext4_filemap_fault+0x82/0xad [ 289.812937] __do_fault+0x100/0x6b0 [ 289.816570] ? pmd_devmap_trans_unstable+0x220/0x220 [ 289.821680] ? mark_held_locks+0x130/0x130 [ 289.825925] ? mark_held_locks+0x130/0x130 [ 289.830166] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 289.835706] ? rcu_pm_notify+0xc0/0xc0 [ 289.839602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.845146] __handle_mm_fault+0x3ea0/0x5be0 [ 289.849567] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 289.854415] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.858922] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 289.863514] ? trace_hardirqs_on+0xbd/0x310 [ 289.867836] ? kasan_check_read+0x11/0x20 [ 289.871986] ? __set_current_blocked+0xdf/0x120 [ 289.876657] ? trace_hardirqs_off_caller+0x310/0x310 [ 289.881778] ? zap_class+0x640/0x640 [ 289.885495] ? zap_class+0x640/0x640 [ 289.889227] ? find_held_lock+0x36/0x1c0 [ 289.893305] ? handle_mm_fault+0x42a/0xc70 [ 289.897551] ? lock_downgrade+0x900/0x900 [ 289.901713] ? check_preemption_disabled+0x48/0x280 [ 289.906738] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 289.911681] ? kasan_check_read+0x11/0x20 [ 289.915831] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 289.921108] ? rcu_softirq_qs+0x20/0x20 [ 289.925083] ? trace_hardirqs_off_caller+0x310/0x310 [ 289.930191] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.935730] ? check_preemption_disabled+0x48/0x280 [ 289.940765] handle_mm_fault+0x54f/0xc70 [ 289.944836] ? __handle_mm_fault+0x5be0/0x5be0 [ 289.949437] ? find_vma+0x34/0x190 [ 289.952989] __do_page_fault+0x5e8/0xe60 [ 289.957052] ? exit_to_usermode_loop+0x1f4/0x380 [ 289.961816] do_page_fault+0xf2/0x7e0 [ 289.965620] ? vmalloc_sync_all+0x30/0x30 [ 289.969772] ? error_entry+0x70/0xd0 [ 289.973489] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.978506] ? trace_hardirqs_on_caller+0xc0/0x310 [ 289.983445] ? syscall_return_slowpath+0x5e0/0x5e0 [ 289.988377] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.993225] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.998243] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.003698] ? prepare_exit_to_usermode+0x291/0x3b0 [ 290.008717] ? page_fault+0x8/0x30 [ 290.012261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.017107] ? page_fault+0x8/0x30 [ 290.020650] page_fault+0x1e/0x30 [ 290.024109] RIP: 0033:0x45db60 [ 290.027319] Code: Bad RIP value. [ 290.030682] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 290.036041] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 290.043310] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 290.050577] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 290.057844] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 290.065122] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 290.072419] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 290.072533] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.079440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.079446] Call Trace: [ 290.079453] [ 290.079476] dump_stack+0x244/0x39d [ 290.079495] ? dump_stack_print_info.cold.1+0x20/0x20 [ 290.086039] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.095333] warn_alloc.cold.116+0xb7/0x1bd [ 290.097890] syz-fuzzer cpuset=/ mems_allowed=0 [ 290.100051] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.132760] ? lock_downgrade+0x900/0x900 [ 290.136935] ? trace_hardirqs_off+0xb8/0x310 [ 290.141352] ? trace_hardirqs_off+0xb8/0x310 [ 290.145773] __alloc_pages_slowpath+0x2651/0x2de0 [ 290.150645] ? warn_alloc+0x120/0x120 [ 290.154450] ? warn_alloc+0x120/0x120 [ 290.158255] ? warn_alloc+0x120/0x120 [ 290.162058] ? print_usage_bug+0xc0/0xc0 [ 290.166124] ? print_usage_bug+0xc0/0xc0 [ 290.170188] ? ktime_get+0x2c1/0x400 [ 290.173924] ? check_preemption_disabled+0x48/0x280 [ 290.178946] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 290.183447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.188988] ? should_fail+0x22d/0xd01 [ 290.192879] ? kasan_check_read+0x11/0x20 [ 290.197042] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.202147] ? __lock_acquire+0x62f/0x4c20 [ 290.206389] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.211493] ? should_fail+0x22d/0xd01 [ 290.215379] ? print_usage_bug+0xc0/0xc0 [ 290.219449] ? mark_held_locks+0x130/0x130 [ 290.223703] ? mark_held_locks+0x130/0x130 [ 290.227942] ? check_preemption_disabled+0x48/0x280 [ 290.232970] ? zap_class+0x640/0x640 [ 290.236688] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.241447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.247002] ? check_preemption_disabled+0x48/0x280 [ 290.252032] ? __lock_is_held+0xb5/0x140 [ 290.256106] __alloc_pages_nodemask+0xad8/0xea0 [ 290.260779] ? zap_class+0x640/0x640 [ 290.264509] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 290.269536] ? find_held_lock+0x36/0x1c0 [ 290.273610] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.278280] ? lock_downgrade+0x900/0x900 [ 290.282438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.287981] cache_grow_begin+0xa5/0x8c0 [ 290.292044] ? do_raw_spin_unlock+0xa7/0x330 [ 290.296462] fallback_alloc+0x204/0x2e0 [ 290.300446] ____cache_alloc_node+0x1c7/0x1e0 [ 290.304968] kmem_cache_alloc_node+0xe3/0x730 [ 290.309468] ? lockdep_hardirqs_on+0x296/0x5b0 [ 290.314060] __alloc_skb+0x119/0x770 [ 290.317785] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 290.323154] ? netdev_alloc_frag+0x1f0/0x1f0 [ 290.327584] ? vprintk_default+0x28/0x30 [ 290.331646] ? vprintk_func+0x85/0x181 [ 290.335534] ? printk+0xa7/0xcf [ 290.338815] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 290.343574] ? do_raw_spin_trylock+0x270/0x270 [ 290.348169] new_skb+0x26/0x1c0 [ 290.351452] aoecmd_cfg+0x279/0x7f0 [ 290.355084] ? find_held_lock+0x36/0x1c0 [ 290.359150] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 290.363479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.369034] ? __lock_is_held+0xb5/0x140 [ 290.373109] discover_timer+0x50/0x60 [ 290.376922] call_timer_fn+0x272/0x920 [ 290.380814] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 290.385660] ? process_timeout+0x40/0x40 [ 290.389747] ? mark_held_locks+0xc7/0x130 [ 290.393915] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.398413] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.402941] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 290.407806] ? lockdep_hardirqs_on+0x296/0x5b0 [ 290.412392] ? trace_hardirqs_on+0xbd/0x310 [ 290.416715] ? kasan_check_read+0x11/0x20 [ 290.420873] ? __run_timers+0x7da/0xc70 [ 290.424881] ? trace_hardirqs_off_caller+0x310/0x310 [ 290.430018] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 290.434859] __run_timers+0x7e5/0xc70 [ 290.438677] ? timer_fixup_init+0x70/0x70 [ 290.442833] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 290.447854] ? zap_class+0x640/0x640 [ 290.451580] ? print_usage_bug+0xc0/0xc0 [ 290.455644] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 290.460846] ? find_held_lock+0x36/0x1c0 [ 290.464930] ? zap_class+0x640/0x640 [ 290.468653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.474194] ? check_preemption_disabled+0x48/0x280 [ 290.479219] ? __lock_is_held+0xb5/0x140 [ 290.483285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.488833] ? check_preemption_disabled+0x48/0x280 [ 290.493857] run_timer_softirq+0x52/0xb0 [ 290.497931] ? rcu_read_lock_sched_held+0x14f/0x180 [ 290.502951] __do_softirq+0x308/0xb7e [ 290.506757] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 290.511256] ? lock_downgrade+0x900/0x900 [ 290.515408] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 290.520520] ? pvclock_read_flags+0x160/0x160 [ 290.525018] ? lapic_next_event+0x5a/0x90 [ 290.529186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.534728] ? kvm_clock_read+0x18/0x30 [ 290.538701] ? kvm_sched_clock_read+0x9/0x20 [ 290.543115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.548656] ? check_preemption_disabled+0x48/0x280 [ 290.553690] irq_exit+0x17f/0x1c0 [ 290.557169] smp_apic_timer_interrupt+0x1cb/0x760 [ 290.562017] ? smp_reschedule_interrupt+0x109/0x650 [ 290.567049] ? smp_call_function_single_interrupt+0x650/0x650 [ 290.572942] ? interrupt_entry+0xb5/0xc0 [ 290.577007] ? trace_hardirqs_off_caller+0xbb/0x310 [ 290.582022] ? trace_hardirqs_off_caller+0xbb/0x310 [ 290.587044] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.591886] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.596930] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.601949] ? task_prio+0x50/0x50 [ 290.605495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.611035] ? check_preemption_disabled+0x48/0x280 [ 290.616058] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.620923] apic_timer_interrupt+0xf/0x20 [ 290.625152] [ 290.627410] RIP: 0010:console_unlock+0x102f/0x1190 [ 290.632362] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 290.651279] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 290.658992] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 290.666257] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 290.673526] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 290.680799] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 290.688077] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 290.695360] ? netconsole_netdev_event+0x280/0x280 [ 290.700309] ? console_unlock+0x1026/0x1190 [ 290.704653] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 290.709327] ? lock_release+0xa00/0xa00 [ 290.713306] ? retint_kernel+0x2d/0x2d [ 290.717215] vprintk_emit+0x391/0x990 [ 290.721024] ? wake_up_klogd+0x180/0x180 [ 290.725106] ? match_held_lock+0x811/0x8d0 [ 290.729368] ? mark_held_locks+0xc7/0x130 [ 290.733522] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.738239] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.742746] vprintk_default+0x28/0x30 [ 290.746638] vprintk_func+0x7e/0x181 [ 290.750354] printk+0xa7/0xcf [ 290.753460] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 290.758221] ? _raw_spin_unlock_irq+0x60/0x80 [ 290.762731] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 290.768050] dump_header+0x7cc/0xf72 [ 290.771777] ? pagefault_out_of_memory+0x197/0x197 [ 290.776717] ? __lock_acquire+0x62f/0x4c20 [ 290.780958] ? percpu_ref_get_many+0x240/0x240 [ 290.785550] ? print_usage_bug+0xc0/0xc0 [ 290.789622] ? zap_class+0x640/0x640 [ 290.793339] ? print_usage_bug+0xc0/0xc0 [ 290.797401] ? zap_class+0x640/0x640 [ 290.801137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.806709] ? find_held_lock+0x36/0x1c0 [ 290.810786] ? mark_held_locks+0xc7/0x130 [ 290.814940] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 290.820042] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 290.825145] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 290.829739] ? trace_hardirqs_on+0xbd/0x310 [ 290.834061] ? kasan_check_read+0x11/0x20 [ 290.838208] ? ___ratelimit+0x3b4/0x672 [ 290.842184] ? trace_hardirqs_off_caller+0x310/0x310 [ 290.847300] ? trace_hardirqs_on+0x310/0x310 [ 290.851709] ? lock_downgrade+0x900/0x900 [ 290.855862] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 290.860977] ? ___ratelimit+0x3b9/0x672 [ 290.864961] ? idr_get_free+0xf70/0xf70 [ 290.868937] ? find_held_lock+0x36/0x1c0 [ 290.873008] oom_kill_process.cold.27+0x10/0x903 [ 290.877771] ? zap_class+0x640/0x640 [ 290.881489] ? check_preemption_disabled+0x48/0x280 [ 290.886513] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 290.891446] ? kasan_check_read+0x11/0x20 [ 290.895592] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 290.900872] ? oom_evaluate_task+0x540/0x540 [ 290.905296] ? find_held_lock+0x36/0x1c0 [ 290.909363] ? out_of_memory+0x974/0x1430 [ 290.913523] ? lock_downgrade+0x900/0x900 [ 290.917680] ? check_preemption_disabled+0x48/0x280 [ 290.922697] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 290.927629] ? kasan_check_read+0x11/0x20 [ 290.931775] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 290.937051] ? rcu_softirq_qs+0x20/0x20 [ 290.941048] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 290.946619] ? oom_evaluate_task+0x302/0x540 [ 290.951032] out_of_memory+0xa84/0x1430 [ 290.955028] ? oom_killer_disable+0x3a0/0x3a0 [ 290.959525] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 290.964464] ? __ww_mutex_check_waiters+0x160/0x160 [ 290.969491] __alloc_pages_slowpath+0x232c/0x2de0 [ 290.974366] ? warn_alloc+0x120/0x120 [ 290.978166] ? mark_held_locks+0x130/0x130 [ 290.982408] ? find_get_entry+0xaae/0x1120 [ 290.986653] ? filemap_map_pages+0x1a20/0x1a20 [ 290.991244] ? zap_class+0x640/0x640 [ 290.994969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.000511] ? check_preemption_disabled+0x48/0x280 [ 291.005528] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.011066] ? should_fail+0x22d/0xd01 [ 291.014964] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.020073] ? zap_class+0x640/0x640 [ 291.023811] ? __lock_is_held+0xb5/0x140 [ 291.027885] ? mark_held_locks+0x130/0x130 [ 291.032140] ? lock_release+0xa00/0xa00 [ 291.036115] ? perf_trace_sched_process_exec+0x860/0x860 [ 291.041563] ? xa_load+0x2ba/0x460 [ 291.045106] ? lock_downgrade+0x900/0x900 [ 291.049261] ? __might_sleep+0x95/0x190 [ 291.053242] __alloc_pages_nodemask+0xad8/0xea0 [ 291.057929] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 291.062952] ? __page_cache_alloc+0x191/0x5c0 [ 291.067457] ? xa_load+0x2e1/0x460 [ 291.070999] ? xa_clear_mark+0x40/0x40 [ 291.074908] ? zap_class+0x640/0x640 [ 291.078625] ? zap_class+0x640/0x640 [ 291.082346] ? zap_class+0x640/0x640 [ 291.086063] ? zap_class+0x640/0x640 [ 291.089779] ? __do_page_cache_readahead+0x663/0x810 [ 291.094885] ? find_held_lock+0x36/0x1c0 [ 291.098972] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 291.104521] alloc_pages_current+0x173/0x350 [ 291.108940] __page_cache_alloc+0x38c/0x5c0 [ 291.113264] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 291.118193] ? kasan_check_read+0x11/0x20 [ 291.122340] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.127619] ? generic_perform_write+0x6a0/0x6a0 [ 291.132379] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.137933] ? check_preemption_disabled+0x48/0x280 [ 291.142957] filemap_fault+0x1595/0x25f0 [ 291.147034] ? __lock_page_or_retry+0xa00/0xa00 [ 291.151711] ? mark_held_locks+0x130/0x130 [ 291.155971] ? filemap_map_pages+0xd6b/0x1a20 [ 291.160471] ? lock_downgrade+0x900/0x900 [ 291.164623] ? check_preemption_disabled+0x48/0x280 [ 291.169643] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 291.174576] ? kasan_check_read+0x11/0x20 [ 291.178739] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.184025] ? rcu_softirq_qs+0x20/0x20 [ 291.188014] ? filemap_map_pages+0xd92/0x1a20 [ 291.192512] ? queue_work_on+0x12c/0x1e0 [ 291.196581] ? find_get_entries_tag+0x1400/0x1400 [ 291.201428] ? debug_object_destroy+0x2b0/0x2b0 [ 291.206100] ? lock_pi_update_atomic+0x150/0x150 [ 291.210858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.216409] ? lock_acquire+0x1ed/0x520 [ 291.220383] ? ext4_filemap_fault+0x7a/0xad [ 291.224714] ? lock_release+0xa00/0xa00 [ 291.228686] ? perf_trace_sched_process_exec+0x860/0x860 [ 291.234137] ? print_usage_bug+0xc0/0xc0 [ 291.238199] ? print_usage_bug+0xc0/0xc0 [ 291.242272] ? down_read+0x8d/0x120 [ 291.245914] ? ext4_filemap_fault+0x7a/0xad [ 291.250237] ? __down_interruptible+0x700/0x700 [ 291.254927] ext4_filemap_fault+0x82/0xad [ 291.259081] __do_fault+0x100/0x6b0 [ 291.262707] ? perf_tp_event+0xc20/0xc20 [ 291.266770] ? pmd_devmap_trans_unstable+0x220/0x220 [ 291.271880] ? mark_held_locks+0x130/0x130 [ 291.276130] ? mark_held_locks+0x130/0x130 [ 291.280398] ? debug_smp_processor_id+0x1c/0x20 [ 291.285081] ? perf_trace_lock+0x14d/0x7a0 [ 291.289323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.294866] __handle_mm_fault+0x3ea0/0x5be0 [ 291.299294] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 291.304142] ? lock_is_held_type+0x210/0x210 [ 291.308571] ? __switch_to_asm+0x34/0x70 [ 291.312636] ? __switch_to_asm+0x34/0x70 [ 291.316710] ? zap_class+0x640/0x640 [ 291.320426] ? zap_class+0x640/0x640 [ 291.324140] ? __x64_sys_futex+0x53e/0x6a0 [ 291.328378] ? find_held_lock+0x36/0x1c0 [ 291.332450] ? handle_mm_fault+0x42a/0xc70 [ 291.336686] ? lock_downgrade+0x900/0x900 [ 291.340835] ? check_preemption_disabled+0x48/0x280 [ 291.345868] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 291.350810] ? kasan_check_read+0x11/0x20 [ 291.354961] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.360240] ? rcu_softirq_qs+0x20/0x20 [ 291.364215] ? trace_hardirqs_off_caller+0x310/0x310 [ 291.369320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.374863] ? check_preemption_disabled+0x48/0x280 [ 291.379986] handle_mm_fault+0x54f/0xc70 [ 291.384052] ? __handle_mm_fault+0x5be0/0x5be0 [ 291.388639] ? find_vma+0x34/0x190 [ 291.392186] __do_page_fault+0x5e8/0xe60 [ 291.396250] ? trace_hardirqs_off+0xb8/0x310 [ 291.400670] do_page_fault+0xf2/0x7e0 [ 291.404474] ? vmalloc_sync_all+0x30/0x30 [ 291.408631] ? error_entry+0x70/0xd0 [ 291.412348] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.417364] ? trace_hardirqs_on_caller+0xc0/0x310 [ 291.422294] ? syscall_return_slowpath+0x5e0/0x5e0 [ 291.427228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.432074] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.437091] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.442553] ? prepare_exit_to_usermode+0x291/0x3b0 [ 291.447585] ? page_fault+0x8/0x30 [ 291.451140] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.455987] ? page_fault+0x8/0x30 [ 291.459534] page_fault+0x1e/0x30 [ 291.462986] RIP: 0033:0x45ddf3 [ 291.466193] Code: Bad RIP value. [ 291.469558] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 291.474937] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 291.482206] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 291.489491] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 291.496760] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 291.504026] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 291.511322] warn_alloc_show_mem: 1 callbacks suppressed [ 291.511338] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 291.511340] Mem-Info: [ 291.511370] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 291.511370] active_file:10 inactive_file:13 isolated_file:0 [ 291.511370] unevictable:0 dirty:0 writeback:0 unstable:0 [ 291.511370] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 291.511370] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 291.511370] free:13776 free_pcp:523 free_cma:0 [ 291.516723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 291.523739] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 291.526141] Call Trace: [ 291.559191] 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 [ 291.568551] [ 291.596221] lowmem_reserve[]: 0 2818 6321 6321 [ 291.598813] dump_stack+0x244/0x39d [ 291.625383] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 291.627555] ? dump_stack_print_info.cold.1+0x20/0x20 [ 291.632094] lowmem_reserve[]: 0 0 3503 3503 [ 291.635739] warn_alloc.cold.116+0xb7/0x1bd [ 291.663043] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 291.668254] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 291.672540] lowmem_reserve[]: 0 0 0 0 [ 291.676883] ? lock_downgrade+0x900/0x900 [ 291.705939] 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 [ 291.710808] ? trace_hardirqs_off+0xb8/0x310 [ 291.714592] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 291.718740] ? trace_hardirqs_off+0xb8/0x310 [ 291.732245] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 291.736677] __alloc_pages_slowpath+0x2651/0x2de0 [ 291.751746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 291.756197] ? warn_alloc+0x120/0x120 [ 291.770557] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 291.775401] ? print_usage_bug+0xc0/0xc0 [ 291.784214] 1516 total pagecache pages [ 291.788020] ? warn_alloc+0x120/0x120 [ 291.796577] 0 pages in swap cache [ 291.800639] ? warn_alloc+0x120/0x120 [ 291.804501] Swap cache stats: add 0, delete 0, find 0/0 [ 291.804510] Free swap = 0kB [ 291.808310] ? print_usage_bug+0xc0/0xc0 [ 291.811738] Total swap = 0kB [ 291.815549] ? print_usage_bug+0xc0/0xc0 [ 291.820912] 1965979 pages RAM [ 291.823943] ? __lock_acquire+0x62f/0x4c20 [ 291.827996] 0 pages HighMem/MovableOnly [ 291.828004] 342854 pages reserved [ 291.831032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.835063] 0 pages cma reserved [ 291.835159] aoe: skb alloc failure [ 291.838185] ? should_fail+0x22d/0xd01 [ 291.838204] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.838221] ? __lock_acquire+0x62f/0x4c20 [ 291.842466] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 291.846414] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.849834] syz-fuzzer cpuset=/ mems_allowed=0 [ 291.855389] ? __lock_acquire+0x62f/0x4c20 [ 291.899547] ? should_fail+0x22d/0xd01 [ 291.903445] ? find_held_lock+0x36/0x1c0 [ 291.907524] ? mark_held_locks+0x130/0x130 [ 291.911770] ? mark_held_locks+0x130/0x130 [ 291.916007] ? zap_class+0x640/0x640 [ 291.919723] ? zap_class+0x640/0x640 [ 291.923445] ? print_usage_bug+0xc0/0xc0 [ 291.927543] ? do_raw_spin_unlock+0xa7/0x330 [ 291.931955] ? zap_class+0x640/0x640 [ 291.935670] ? print_usage_bug+0xc0/0xc0 [ 291.939730] ? wq_watchdog_touch+0x9c/0xfe [ 291.943977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.949519] ? check_preemption_disabled+0x48/0x280 [ 291.954546] ? __lock_is_held+0xb5/0x140 [ 291.958614] __alloc_pages_nodemask+0xad8/0xea0 [ 291.963283] ? zap_class+0x640/0x640 [ 291.967028] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 291.972059] ? find_held_lock+0x36/0x1c0 [ 291.976133] ? ____cache_alloc_node+0x1c7/0x1e0 [ 291.980809] ? lock_downgrade+0x900/0x900 [ 291.984967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.990512] cache_grow_begin+0xa5/0x8c0 [ 291.994579] ? do_raw_spin_unlock+0xa7/0x330 [ 291.999009] fallback_alloc+0x204/0x2e0 [ 292.003005] ____cache_alloc_node+0x1c7/0x1e0 [ 292.007505] kmem_cache_alloc_node+0xe3/0x730 [ 292.012004] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.016253] __alloc_skb+0x119/0x770 [ 292.019968] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 292.025250] ? netdev_alloc_frag+0x1f0/0x1f0 [ 292.029660] ? lock_downgrade+0x900/0x900 [ 292.033817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.039359] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.044817] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.050275] ? addrconf_rs_timer+0x690/0x690 [ 292.054699] ndisc_alloc_skb+0x144/0x340 [ 292.058768] ndisc_send_rs+0x331/0x6e0 [ 292.062675] addrconf_rs_timer+0x314/0x690 [ 292.066921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.071171] call_timer_fn+0x272/0x920 [ 292.075065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.079301] ? process_timeout+0x40/0x40 [ 292.083374] ? mark_held_locks+0xc7/0x130 [ 292.087533] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.092026] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.096522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.100759] ? lockdep_hardirqs_on+0x296/0x5b0 [ 292.105349] ? trace_hardirqs_on+0xbd/0x310 [ 292.109674] ? kasan_check_read+0x11/0x20 [ 292.113821] ? __run_timers+0x7da/0xc70 [ 292.117797] ? trace_hardirqs_off_caller+0x310/0x310 [ 292.122918] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.127167] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.131408] __run_timers+0x7e5/0xc70 [ 292.135225] ? timer_fixup_init+0x70/0x70 [ 292.139381] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 292.144410] ? zap_class+0x640/0x640 [ 292.148134] ? print_usage_bug+0xc0/0xc0 [ 292.152203] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 292.157403] ? find_held_lock+0x36/0x1c0 [ 292.161494] ? zap_class+0x640/0x640 [ 292.165219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.170760] ? check_preemption_disabled+0x48/0x280 [ 292.175789] ? __lock_is_held+0xb5/0x140 [ 292.179853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.185393] ? check_preemption_disabled+0x48/0x280 [ 292.190423] run_timer_softirq+0x52/0xb0 [ 292.194492] ? rcu_read_lock_sched_held+0x14f/0x180 [ 292.199514] __do_softirq+0x308/0xb7e [ 292.203321] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 292.207820] ? lock_downgrade+0x900/0x900 [ 292.211979] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 292.217095] ? pvclock_read_flags+0x160/0x160 [ 292.221596] ? lapic_next_event+0x5a/0x90 [ 292.225752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.231297] ? kvm_clock_read+0x18/0x30 [ 292.235270] ? kvm_sched_clock_read+0x9/0x20 [ 292.239689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.245229] ? check_preemption_disabled+0x48/0x280 [ 292.250258] irq_exit+0x17f/0x1c0 [ 292.253719] smp_apic_timer_interrupt+0x1cb/0x760 [ 292.258562] ? smp_reschedule_interrupt+0x109/0x650 [ 292.263580] ? smp_call_function_single_interrupt+0x650/0x650 [ 292.269474] ? interrupt_entry+0xb5/0xc0 [ 292.273544] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.278560] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.283578] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.288428] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.293449] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.298467] ? task_prio+0x50/0x50 [ 292.302013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.307564] ? check_preemption_disabled+0x48/0x280 [ 292.312588] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.317448] apic_timer_interrupt+0xf/0x20 [ 292.321679] [ 292.323924] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 292.328857] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 292.347760] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 292.355473] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 292.362751] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 292.370024] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 292.377337] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 292.384619] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 292.391936] rcu_read_lock_held+0xa9/0xc0 [ 292.396089] list_lru_count_one+0x31a/0x450 [ 292.400417] ? list_lru_isolate_move+0x3c0/0x3c0 [ 292.405177] ? deferred_split_count+0x65/0x170 [ 292.409757] ? shrink_huge_zero_page_count+0xc8/0x100 [ 292.414958] super_cache_count+0x153/0x2e0 [ 292.419203] do_shrink_slab+0x1b1/0xd30 [ 292.423185] ? lock_acquire+0x1ed/0x520 [ 292.427166] ? snapshot_refaults+0x290/0x290 [ 292.431575] ? lock_release+0xa00/0xa00 [ 292.435554] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 292.440496] ? down_read_trylock+0xda/0x140 [ 292.444815] ? shrink_slab+0x207/0x8c0 [ 292.448702] ? downgrade_write+0x270/0x270 [ 292.452947] shrink_slab+0x389/0x8c0 [ 292.456662] ? shrink_active_list+0x1f00/0x1f00 [ 292.461338] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 292.466978] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 292.472098] ? cgroup_procs_write_finish+0xf0/0xf0 [ 292.477034] ? find_held_lock+0x36/0x1c0 [ 292.481105] shrink_node+0x431/0x16b0 [ 292.484916] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 292.490219] ? shrink_node_memcg+0x18f0/0x18f0 [ 292.494811] ? kvm_clock_read+0x18/0x30 [ 292.498791] ? ktime_get+0x2c1/0x400 [ 292.502510] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 292.507016] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 292.512554] ? __cpuset_node_allowed+0x19b/0x660 [ 292.517316] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 292.523028] ? delayacct_end+0x5a/0x100 [ 292.527017] do_try_to_free_pages+0x3e7/0x1290 [ 292.531601] ? zap_class+0x640/0x640 [ 292.535345] ? shrink_node+0x16b0/0x16b0 [ 292.539415] ? __lock_is_held+0xb5/0x140 [ 292.543492] try_to_free_pages+0x4d0/0xb90 [ 292.547748] ? do_try_to_free_pages+0x1290/0x1290 [ 292.552604] ? lock_acquire+0x1ed/0x520 [ 292.556578] ? set_page_refcounted+0x280/0x280 [ 292.561169] ? lock_release+0xa00/0xa00 [ 292.565149] ? _raw_spin_unlock_irq+0x60/0x80 [ 292.569647] ? psi_memstall_enter+0x240/0x2b0 [ 292.574151] ? psi_memstall_tick+0x230/0x230 [ 292.578571] __alloc_pages_slowpath+0xa48/0x2de0 [ 292.583362] ? warn_alloc+0x120/0x120 [ 292.587163] ? mark_held_locks+0x130/0x130 [ 292.591403] ? find_get_entry+0xaae/0x1120 [ 292.595653] ? filemap_map_pages+0x1a20/0x1a20 [ 292.600241] ? zap_class+0x640/0x640 [ 292.603967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.609507] ? check_preemption_disabled+0x48/0x280 [ 292.614526] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.620069] ? should_fail+0x22d/0xd01 [ 292.623963] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.629091] ? zap_class+0x640/0x640 [ 292.632830] ? __lock_is_held+0xb5/0x140 [ 292.636916] ? mark_held_locks+0x130/0x130 [ 292.641157] ? lock_release+0xa00/0xa00 [ 292.645151] ? perf_trace_sched_process_exec+0x860/0x860 [ 292.650632] ? xa_load+0x2ba/0x460 [ 292.654210] ? lock_downgrade+0x900/0x900 [ 292.658423] ? __might_sleep+0x95/0x190 [ 292.662443] __alloc_pages_nodemask+0xad8/0xea0 [ 292.667156] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 292.672209] ? __page_cache_alloc+0x191/0x5c0 [ 292.676734] ? xa_load+0x2e1/0x460 [ 292.680295] ? xa_clear_mark+0x40/0x40 [ 292.684202] ? zap_class+0x640/0x640 [ 292.687933] ? zap_class+0x640/0x640 [ 292.691652] ? zap_class+0x640/0x640 [ 292.695369] ? __do_page_cache_readahead+0x663/0x810 [ 292.700486] ? find_held_lock+0x36/0x1c0 [ 292.704554] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 292.710111] alloc_pages_current+0x173/0x350 [ 292.714533] __page_cache_alloc+0x38c/0x5c0 [ 292.718853] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 292.723786] ? kasan_check_read+0x11/0x20 [ 292.727936] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 292.733219] ? generic_perform_write+0x6a0/0x6a0 [ 292.738521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.744066] ? check_preemption_disabled+0x48/0x280 [ 292.749095] filemap_fault+0x1595/0x25f0 [ 292.753184] ? __lock_page_or_retry+0xa00/0xa00 [ 292.757867] ? mark_held_locks+0x130/0x130 [ 292.762122] ? filemap_map_pages+0xd6b/0x1a20 [ 292.766622] ? lock_downgrade+0x900/0x900 [ 292.770771] ? check_preemption_disabled+0x48/0x280 [ 292.775790] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 292.780720] ? kasan_check_read+0x11/0x20 [ 292.784882] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 292.790181] ? rcu_softirq_qs+0x20/0x20 [ 292.794170] ? filemap_map_pages+0xd92/0x1a20 [ 292.798673] ? print_usage_bug+0xc0/0xc0 [ 292.802740] ? find_get_entries_tag+0x1400/0x1400 [ 292.807907] ? __kasan_slab_free+0x102/0x150 [ 292.812320] ? kasan_slab_free+0xe/0x10 [ 292.816291] ? kmem_cache_free+0x83/0x290 [ 292.820443] ? __sigqueue_free.part.29+0x74/0x90 [ 292.825230] ? lock_acquire+0x1ed/0x520 [ 292.829212] ? ext4_filemap_fault+0x7a/0xad [ 292.833545] ? lock_release+0xa00/0xa00 [ 292.837521] ? perf_trace_sched_process_exec+0x860/0x860 [ 292.842975] ? print_usage_bug+0xc0/0xc0 [ 292.847040] ? print_usage_bug+0xc0/0xc0 [ 292.851118] ? down_read+0x8d/0x120 [ 292.854745] ? ext4_filemap_fault+0x7a/0xad [ 292.859066] ? __down_interruptible+0x700/0x700 [ 292.863745] ext4_filemap_fault+0x82/0xad [ 292.867904] __do_fault+0x100/0x6b0 [ 292.871541] ? pmd_devmap_trans_unstable+0x220/0x220 [ 292.876649] ? mark_held_locks+0x130/0x130 [ 292.880886] ? mark_held_locks+0x130/0x130 [ 292.885134] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 292.890681] ? rcu_pm_notify+0xc0/0xc0 [ 292.894578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.900121] __handle_mm_fault+0x3ea0/0x5be0 [ 292.904542] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 292.909384] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.913887] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 292.918481] ? trace_hardirqs_on+0xbd/0x310 [ 292.922808] ? kasan_check_read+0x11/0x20 [ 292.926963] ? __set_current_blocked+0xdf/0x120 [ 292.931638] ? trace_hardirqs_off_caller+0x310/0x310 [ 292.936755] ? zap_class+0x640/0x640 [ 292.940469] ? zap_class+0x640/0x640 [ 292.944189] ? find_held_lock+0x36/0x1c0 [ 292.948265] ? handle_mm_fault+0x42a/0xc70 [ 292.952507] ? lock_downgrade+0x900/0x900 [ 292.956660] ? check_preemption_disabled+0x48/0x280 [ 292.961684] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 292.966614] ? kasan_check_read+0x11/0x20 [ 292.970766] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 292.976048] ? rcu_softirq_qs+0x20/0x20 [ 292.980025] ? trace_hardirqs_off_caller+0x310/0x310 [ 292.985132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.990674] ? check_preemption_disabled+0x48/0x280 [ 292.995702] handle_mm_fault+0x54f/0xc70 [ 292.999771] ? __handle_mm_fault+0x5be0/0x5be0 [ 293.004361] ? find_vma+0x34/0x190 [ 293.007914] __do_page_fault+0x5e8/0xe60 [ 293.011985] ? exit_to_usermode_loop+0x1f4/0x380 [ 293.016756] do_page_fault+0xf2/0x7e0 [ 293.020559] ? vmalloc_sync_all+0x30/0x30 [ 293.024708] ? error_entry+0x70/0xd0 [ 293.028428] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.033459] ? trace_hardirqs_on_caller+0xc0/0x310 [ 293.038388] ? syscall_return_slowpath+0x5e0/0x5e0 [ 293.043322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.048171] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.053189] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.058652] ? prepare_exit_to_usermode+0x291/0x3b0 [ 293.063671] ? page_fault+0x8/0x30 [ 293.067221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.072072] ? page_fault+0x8/0x30 [ 293.075613] page_fault+0x1e/0x30 [ 293.079072] RIP: 0033:0x45db60 [ 293.082312] Code: Bad RIP value. [ 293.085678] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 293.091043] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 293.098310] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 293.105582] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 293.112849] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 293.120144] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 293.127448] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 293.127518] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 293.134469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.134478] Call Trace: [ 293.141143] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 293.150307] [ 293.152886] syz-fuzzer cpuset=/ mems_allowed=0 [ 293.163120] dump_stack+0x244/0x39d [ 293.173439] ? dump_stack_print_info.cold.1+0x20/0x20 [ 293.178648] warn_alloc.cold.116+0xb7/0x1bd [ 293.182981] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.187843] ? lock_downgrade+0x900/0x900 [ 293.192029] ? trace_hardirqs_off+0xb8/0x310 [ 293.196445] ? trace_hardirqs_off+0xb8/0x310 [ 293.200865] __alloc_pages_slowpath+0x2651/0x2de0 [ 293.205746] ? warn_alloc+0x120/0x120 [ 293.209567] ? warn_alloc+0x120/0x120 [ 293.213375] ? __lock_acquire+0x62f/0x4c20 [ 293.217616] ? warn_alloc+0x120/0x120 [ 293.221421] ? print_usage_bug+0xc0/0xc0 [ 293.225489] ? print_usage_bug+0xc0/0xc0 [ 293.229559] ? mark_held_locks+0x130/0x130 [ 293.233803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.239342] ? should_fail+0x22d/0xd01 [ 293.243229] ? zap_class+0x640/0x640 [ 293.246954] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.252060] ? __lock_acquire+0x62f/0x4c20 [ 293.256311] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.261415] ? should_fail+0x22d/0xd01 [ 293.265313] ? mark_held_locks+0x130/0x130 [ 293.269552] ? mark_held_locks+0x130/0x130 [ 293.273794] ? lock_downgrade+0x900/0x900 [ 293.277947] ? zap_class+0x640/0x640 [ 293.281672] ? zap_class+0x640/0x640 [ 293.285391] ? zap_class+0x640/0x640 [ 293.289110] ? do_raw_spin_unlock+0xa7/0x330 [ 293.293532] ? trace_hardirqs_on+0x310/0x310 [ 293.297946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.303485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.309026] ? check_preemption_disabled+0x48/0x280 [ 293.314054] ? __lock_is_held+0xb5/0x140 [ 293.318126] __alloc_pages_nodemask+0xad8/0xea0 [ 293.322801] ? zap_class+0x640/0x640 [ 293.326519] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 293.331548] ? find_held_lock+0x36/0x1c0 [ 293.335646] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.340323] ? lock_downgrade+0x900/0x900 [ 293.344493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.350050] cache_grow_begin+0xa5/0x8c0 [ 293.354118] ? do_raw_spin_unlock+0xa7/0x330 [ 293.358542] fallback_alloc+0x204/0x2e0 [ 293.362533] ____cache_alloc_node+0x1c7/0x1e0 [ 293.367042] kmem_cache_alloc_node+0xe3/0x730 [ 293.371546] ? lockdep_hardirqs_on+0x296/0x5b0 [ 293.376143] __alloc_skb+0x119/0x770 [ 293.379863] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 293.385260] ? netdev_alloc_frag+0x1f0/0x1f0 [ 293.389686] ? vprintk_default+0x28/0x30 [ 293.393753] ? vprintk_func+0x85/0x181 [ 293.397651] ? printk+0xa7/0xcf [ 293.400986] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 293.405755] ? do_raw_spin_trylock+0x270/0x270 [ 293.410352] new_skb+0x26/0x1c0 [ 293.413643] aoecmd_cfg+0x279/0x7f0 [ 293.417279] ? find_held_lock+0x36/0x1c0 [ 293.421350] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 293.425688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.431249] ? __lock_is_held+0xb5/0x140 [ 293.435334] discover_timer+0x50/0x60 [ 293.439151] call_timer_fn+0x272/0x920 [ 293.443052] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 293.447928] ? process_timeout+0x40/0x40 [ 293.452014] ? mark_held_locks+0xc7/0x130 [ 293.456173] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.460678] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.465183] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 293.470040] ? lockdep_hardirqs_on+0x296/0x5b0 [ 293.474632] ? trace_hardirqs_on+0xbd/0x310 [ 293.478964] ? kasan_check_read+0x11/0x20 [ 293.483127] ? __run_timers+0x7da/0xc70 [ 293.487142] ? trace_hardirqs_off_caller+0x310/0x310 [ 293.492272] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 293.497123] __run_timers+0x7e5/0xc70 [ 293.500958] ? timer_fixup_init+0x70/0x70 [ 293.505120] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 293.510150] ? zap_class+0x640/0x640 [ 293.513882] ? print_usage_bug+0xc0/0xc0 [ 293.517982] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 293.523194] ? find_held_lock+0x36/0x1c0 [ 293.527270] ? zap_class+0x640/0x640 [ 293.531001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.536552] ? check_preemption_disabled+0x48/0x280 [ 293.541588] ? __lock_is_held+0xb5/0x140 [ 293.545665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.551217] ? check_preemption_disabled+0x48/0x280 [ 293.556357] run_timer_softirq+0x52/0xb0 [ 293.560429] ? rcu_read_lock_sched_held+0x14f/0x180 [ 293.565459] __do_softirq+0x308/0xb7e [ 293.569271] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 293.573774] ? lock_downgrade+0x900/0x900 [ 293.577959] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 293.583085] ? pvclock_read_flags+0x160/0x160 [ 293.587592] ? lapic_next_event+0x5a/0x90 [ 293.591754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.597307] ? kvm_clock_read+0x18/0x30 [ 293.601291] ? kvm_sched_clock_read+0x9/0x20 [ 293.606232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.611782] ? check_preemption_disabled+0x48/0x280 [ 293.616817] irq_exit+0x17f/0x1c0 [ 293.620288] smp_apic_timer_interrupt+0x1cb/0x760 [ 293.625165] ? smp_reschedule_interrupt+0x109/0x650 [ 293.630203] ? smp_call_function_single_interrupt+0x650/0x650 [ 293.636104] ? interrupt_entry+0xb5/0xc0 [ 293.640181] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.645211] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.650241] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.655101] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.660129] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.665155] ? task_prio+0x50/0x50 [ 293.668814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.674366] ? check_preemption_disabled+0x48/0x280 [ 293.679397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.684259] apic_timer_interrupt+0xf/0x20 [ 293.688494] [ 293.690740] RIP: 0010:console_unlock+0x102f/0x1190 [ 293.695682] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 293.714940] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 293.722698] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 293.729998] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 293.737310] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 293.744594] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 293.751878] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 293.759315] ? netconsole_netdev_event+0x280/0x280 [ 293.764274] ? console_unlock+0x1026/0x1190 [ 293.768625] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 293.773310] ? lock_release+0xa00/0xa00 [ 293.777297] ? retint_kernel+0x2d/0x2d [ 293.781207] vprintk_emit+0x391/0x990 [ 293.785026] ? wake_up_klogd+0x180/0x180 [ 293.789104] ? match_held_lock+0x811/0x8d0 [ 293.793359] ? mark_held_locks+0xc7/0x130 [ 293.797520] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.802030] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.806542] vprintk_default+0x28/0x30 [ 293.810442] vprintk_func+0x7e/0x181 [ 293.814169] printk+0xa7/0xcf [ 293.817295] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 293.822070] ? _raw_spin_unlock_irq+0x60/0x80 [ 293.826587] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 293.831881] dump_header+0x7cc/0xf72 [ 293.835637] ? pagefault_out_of_memory+0x197/0x197 [ 293.840586] ? __lock_acquire+0x62f/0x4c20 [ 293.844831] ? percpu_ref_get_many+0x240/0x240 [ 293.849426] ? print_usage_bug+0xc0/0xc0 [ 293.853505] ? zap_class+0x640/0x640 [ 293.857230] ? print_usage_bug+0xc0/0xc0 [ 293.861307] ? zap_class+0x640/0x640 [ 293.865040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.870596] ? find_held_lock+0x36/0x1c0 [ 293.874675] ? mark_held_locks+0xc7/0x130 [ 293.878834] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 293.883971] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 293.889194] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 293.893820] ? trace_hardirqs_on+0xbd/0x310 [ 293.898153] ? kasan_check_read+0x11/0x20 [ 293.902330] ? ___ratelimit+0x3b4/0x672 [ 293.906424] ? trace_hardirqs_off_caller+0x310/0x310 [ 293.911540] ? trace_hardirqs_on+0x310/0x310 [ 293.915965] ? lock_downgrade+0x900/0x900 [ 293.920142] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 293.925302] ? ___ratelimit+0x3b9/0x672 [ 293.929290] ? idr_get_free+0xf70/0xf70 [ 293.933306] ? find_held_lock+0x36/0x1c0 [ 293.937392] oom_kill_process.cold.27+0x10/0x903 [ 293.942164] ? zap_class+0x640/0x640 [ 293.945917] ? check_preemption_disabled+0x48/0x280 [ 293.951057] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 293.956113] ? kasan_check_read+0x11/0x20 [ 293.960272] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 293.965594] ? oom_evaluate_task+0x540/0x540 [ 293.970020] ? find_held_lock+0x36/0x1c0 [ 293.974098] ? out_of_memory+0x974/0x1430 [ 293.978260] ? lock_downgrade+0x900/0x900 [ 293.982419] ? check_preemption_disabled+0x48/0x280 [ 293.987452] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 293.992391] ? kasan_check_read+0x11/0x20 [ 293.996555] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.001842] ? rcu_softirq_qs+0x20/0x20 [ 294.005830] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 294.011378] ? oom_evaluate_task+0x302/0x540 [ 294.015800] out_of_memory+0xa84/0x1430 [ 294.019793] ? oom_killer_disable+0x3a0/0x3a0 [ 294.024299] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 294.029247] ? __ww_mutex_check_waiters+0x160/0x160 [ 294.034289] __alloc_pages_slowpath+0x232c/0x2de0 [ 294.039172] ? warn_alloc+0x120/0x120 [ 294.042987] ? mark_held_locks+0x130/0x130 [ 294.047243] ? find_get_entry+0xaae/0x1120 [ 294.051500] ? filemap_map_pages+0x1a20/0x1a20 [ 294.056101] ? zap_class+0x640/0x640 [ 294.059834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.065383] ? check_preemption_disabled+0x48/0x280 [ 294.070413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.075966] ? should_fail+0x22d/0xd01 [ 294.079868] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.085007] ? zap_class+0x640/0x640 [ 294.088754] ? __lock_is_held+0xb5/0x140 [ 294.092835] ? mark_held_locks+0x130/0x130 [ 294.097086] ? lock_release+0xa00/0xa00 [ 294.101079] ? perf_trace_sched_process_exec+0x860/0x860 [ 294.106545] ? xa_load+0x2ba/0x460 [ 294.110101] ? lock_downgrade+0x900/0x900 [ 294.114264] ? __might_sleep+0x95/0x190 [ 294.118256] __alloc_pages_nodemask+0xad8/0xea0 [ 294.122962] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 294.127991] ? __page_cache_alloc+0x191/0x5c0 [ 294.132495] ? xa_load+0x2e1/0x460 [ 294.136045] ? xa_clear_mark+0x40/0x40 [ 294.139948] ? zap_class+0x640/0x640 [ 294.143671] ? zap_class+0x640/0x640 [ 294.147402] ? zap_class+0x640/0x640 [ 294.151124] ? zap_class+0x640/0x640 [ 294.154855] ? __do_page_cache_readahead+0x663/0x810 [ 294.159979] ? find_held_lock+0x36/0x1c0 [ 294.164059] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 294.169615] alloc_pages_current+0x173/0x350 [ 294.174040] __page_cache_alloc+0x38c/0x5c0 [ 294.178374] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 294.183318] ? kasan_check_read+0x11/0x20 [ 294.187477] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.192766] ? generic_perform_write+0x6a0/0x6a0 [ 294.197534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.203082] ? check_preemption_disabled+0x48/0x280 [ 294.208115] filemap_fault+0x1595/0x25f0 [ 294.212201] ? __lock_page_or_retry+0xa00/0xa00 [ 294.216884] ? mark_held_locks+0x130/0x130 [ 294.221162] ? filemap_map_pages+0xd6b/0x1a20 [ 294.225665] ? lock_downgrade+0x900/0x900 [ 294.229827] ? check_preemption_disabled+0x48/0x280 [ 294.234854] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 294.239792] ? kasan_check_read+0x11/0x20 [ 294.243954] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.249242] ? rcu_softirq_qs+0x20/0x20 [ 294.253239] ? filemap_map_pages+0xd92/0x1a20 [ 294.257752] ? queue_work_on+0x12c/0x1e0 [ 294.261827] ? find_get_entries_tag+0x1400/0x1400 [ 294.266682] ? debug_object_destroy+0x2b0/0x2b0 [ 294.271365] ? lock_pi_update_atomic+0x150/0x150 [ 294.276132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.281695] ? lock_acquire+0x1ed/0x520 [ 294.285677] ? ext4_filemap_fault+0x7a/0xad [ 294.290015] ? lock_release+0xa00/0xa00 [ 294.294005] ? perf_trace_sched_process_exec+0x860/0x860 [ 294.299466] ? print_usage_bug+0xc0/0xc0 [ 294.303565] ? print_usage_bug+0xc0/0xc0 [ 294.307644] ? down_read+0x8d/0x120 [ 294.311277] ? ext4_filemap_fault+0x7a/0xad [ 294.315607] ? __down_interruptible+0x700/0x700 [ 294.320293] ext4_filemap_fault+0x82/0xad [ 294.324453] __do_fault+0x100/0x6b0 [ 294.328089] ? perf_tp_event+0xc20/0xc20 [ 294.332164] ? pmd_devmap_trans_unstable+0x220/0x220 [ 294.337283] ? mark_held_locks+0x130/0x130 [ 294.341532] ? mark_held_locks+0x130/0x130 [ 294.345780] ? debug_smp_processor_id+0x1c/0x20 [ 294.350458] ? perf_trace_lock+0x14d/0x7a0 [ 294.354708] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.360262] __handle_mm_fault+0x3ea0/0x5be0 [ 294.364691] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 294.369544] ? lock_is_held_type+0x210/0x210 [ 294.373972] ? __switch_to_asm+0x34/0x70 [ 294.378041] ? __switch_to_asm+0x34/0x70 [ 294.382129] ? zap_class+0x640/0x640 [ 294.385850] ? zap_class+0x640/0x640 [ 294.389574] ? __x64_sys_futex+0x53e/0x6a0 [ 294.393822] ? find_held_lock+0x36/0x1c0 [ 294.397922] ? handle_mm_fault+0x42a/0xc70 [ 294.402172] ? lock_downgrade+0x900/0x900 [ 294.406334] ? check_preemption_disabled+0x48/0x280 [ 294.411364] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 294.416304] ? kasan_check_read+0x11/0x20 [ 294.420460] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.425746] ? rcu_softirq_qs+0x20/0x20 [ 294.429728] ? trace_hardirqs_off_caller+0x310/0x310 [ 294.434841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.440392] ? check_preemption_disabled+0x48/0x280 [ 294.445429] handle_mm_fault+0x54f/0xc70 [ 294.449506] ? __handle_mm_fault+0x5be0/0x5be0 [ 294.454101] ? find_vma+0x34/0x190 [ 294.457660] __do_page_fault+0x5e8/0xe60 [ 294.461731] ? trace_hardirqs_off+0xb8/0x310 [ 294.466163] do_page_fault+0xf2/0x7e0 [ 294.469978] ? vmalloc_sync_all+0x30/0x30 [ 294.474135] ? error_entry+0x70/0xd0 [ 294.477861] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.482923] ? trace_hardirqs_on_caller+0xc0/0x310 [ 294.487869] ? syscall_return_slowpath+0x5e0/0x5e0 [ 294.492828] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.497681] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.502705] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.508170] ? prepare_exit_to_usermode+0x291/0x3b0 [ 294.513196] ? page_fault+0x8/0x30 [ 294.516740] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.521597] ? page_fault+0x8/0x30 [ 294.525148] page_fault+0x1e/0x30 [ 294.528613] RIP: 0033:0x45ddf3 [ 294.531827] Code: Bad RIP value. [ 294.535195] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 294.540564] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 294.547839] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 294.555112] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 294.562387] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 294.569663] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 294.576964] warn_alloc_show_mem: 1 callbacks suppressed [ 294.576976] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 294.576978] Mem-Info: [ 294.577008] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 294.577008] active_file:10 inactive_file:13 isolated_file:0 [ 294.577008] unevictable:0 dirty:0 writeback:0 unstable:0 [ 294.577008] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 294.577008] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 294.577008] free:13776 free_pcp:523 free_cma:0 [ 294.582363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.589388] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 294.591802] Call Trace: [ 294.624861] 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 [ 294.634223] [ 294.661888] lowmem_reserve[]: 0 2818 6321 6321 [ 294.664523] dump_stack+0x244/0x39d [ 294.690704] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 294.692880] ? dump_stack_print_info.cold.1+0x20/0x20 [ 294.697430] lowmem_reserve[]: 0 0 3503 3503 [ 294.701079] warn_alloc.cold.116+0xb7/0x1bd [ 294.729178] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 294.734382] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 294.738893] lowmem_reserve[]: 0 0 0 0 [ 294.743248] ? lock_downgrade+0x900/0x900 [ 294.772296] 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 [ 294.777162] ? trace_hardirqs_off+0xb8/0x310 [ 294.780938] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 294.785095] ? trace_hardirqs_off+0xb8/0x310 [ 294.798605] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 294.803026] __alloc_pages_slowpath+0x2651/0x2de0 [ 294.818101] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 294.822539] ? warn_alloc+0x120/0x120 [ 294.836918] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 294.841760] ? warn_alloc+0x120/0x120 [ 294.850574] 1516 total pagecache pages [ 294.854380] ? zap_class+0x640/0x640 [ 294.862958] 0 pages in swap cache [ 294.866757] ? warn_alloc+0x120/0x120 [ 294.870894] Swap cache stats: add 0, delete 0, find 0/0 [ 294.874629] ? print_usage_bug+0xc0/0xc0 [ 294.878064] Free swap = 0kB [ 294.881872] ? print_usage_bug+0xc0/0xc0 [ 294.887215] Total swap = 0kB [ 294.891279] ? __lock_is_held+0xb5/0x140 [ 294.894283] 1965979 pages RAM [ 294.898347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.901346] 0 pages HighMem/MovableOnly [ 294.905413] ? should_fail+0x22d/0xd01 [ 294.908497] 342854 pages reserved [ 294.914046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.918022] 0 pages cma reserved [ 294.921933] ? __lock_acquire+0x62f/0x4c20 [ 294.925435] aoe: skb alloc failure [ 294.930481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.930495] ? __lock_acquire+0x62f/0x4c20 [ 294.930511] ? should_fail+0x22d/0xd01 [ 294.933918] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.938110] ? mark_held_locks+0x130/0x130 [ 294.941631] syz-fuzzer cpuset=/ mems_allowed=0 [ 294.946737] ? mark_held_locks+0x130/0x130 [ 294.978100] ? __enqueue_entity+0x10d/0x1f0 [ 294.982444] ? zap_class+0x640/0x640 [ 294.986172] ? print_usage_bug+0xc0/0xc0 [ 294.990247] ? __lock_acquire+0x62f/0x4c20 [ 294.994494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.000043] ? check_preemption_disabled+0x48/0x280 [ 295.005080] ? __lock_is_held+0xb5/0x140 [ 295.009159] __alloc_pages_nodemask+0xad8/0xea0 [ 295.013844] ? zap_class+0x640/0x640 [ 295.017572] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 295.022612] ? find_held_lock+0x36/0x1c0 [ 295.026693] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.031376] ? lock_downgrade+0x900/0x900 [ 295.035548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.041112] cache_grow_begin+0xa5/0x8c0 [ 295.045187] ? do_raw_spin_unlock+0xa7/0x330 [ 295.049613] fallback_alloc+0x204/0x2e0 [ 295.053607] ____cache_alloc_node+0x1c7/0x1e0 [ 295.058118] kmem_cache_alloc_node+0xe3/0x730 [ 295.062624] ? ipv6_get_ifaddr+0x42e/0x620 [ 295.066883] __alloc_skb+0x119/0x770 [ 295.070629] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 295.075937] ? netdev_alloc_frag+0x1f0/0x1f0 [ 295.080359] ? lock_downgrade+0x900/0x900 [ 295.084549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.090095] ? refcount_sub_and_test_checked+0x203/0x310 [ 295.095561] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 295.101025] ? addrconf_rs_timer+0x690/0x690 [ 295.105460] ndisc_alloc_skb+0x144/0x340 [ 295.109537] ndisc_send_rs+0x331/0x6e0 [ 295.113442] addrconf_rs_timer+0x314/0x690 [ 295.117693] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.122003] call_timer_fn+0x272/0x920 [ 295.125925] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.130175] ? process_timeout+0x40/0x40 [ 295.134263] ? mark_held_locks+0xc7/0x130 [ 295.138428] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.142948] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.147452] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.151695] ? lockdep_hardirqs_on+0x296/0x5b0 [ 295.156291] ? trace_hardirqs_on+0xbd/0x310 [ 295.160623] ? kasan_check_read+0x11/0x20 [ 295.164780] ? __run_timers+0x7da/0xc70 [ 295.168764] ? trace_hardirqs_off_caller+0x310/0x310 [ 295.173887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.178154] __run_timers+0x7e5/0xc70 [ 295.181992] ? timer_fixup_init+0x70/0x70 [ 295.186153] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 295.191183] ? zap_class+0x640/0x640 [ 295.194930] ? print_usage_bug+0xc0/0xc0 [ 295.199007] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 295.204216] ? find_held_lock+0x36/0x1c0 [ 295.208291] ? zap_class+0x640/0x640 [ 295.212021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.217574] ? check_preemption_disabled+0x48/0x280 [ 295.222608] ? __lock_is_held+0xb5/0x140 [ 295.226680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.232231] ? check_preemption_disabled+0x48/0x280 [ 295.237260] run_timer_softirq+0x52/0xb0 [ 295.241334] ? rcu_read_lock_sched_held+0x14f/0x180 [ 295.246361] __do_softirq+0x308/0xb7e [ 295.250174] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 295.254677] ? lock_downgrade+0x900/0x900 [ 295.258841] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 295.263978] ? pvclock_read_flags+0x160/0x160 [ 295.268486] ? lapic_next_event+0x5a/0x90 [ 295.272647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.278198] ? kvm_clock_read+0x18/0x30 [ 295.282182] ? kvm_sched_clock_read+0x9/0x20 [ 295.286602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.292153] ? check_preemption_disabled+0x48/0x280 [ 295.297188] irq_exit+0x17f/0x1c0 [ 295.300653] smp_apic_timer_interrupt+0x1cb/0x760 [ 295.305504] ? smp_reschedule_interrupt+0x109/0x650 [ 295.310531] ? smp_call_function_single_interrupt+0x650/0x650 [ 295.316430] ? interrupt_entry+0xb5/0xc0 [ 295.320507] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.325531] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.330557] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.335415] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.340445] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.345479] ? task_prio+0x50/0x50 [ 295.349034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.354589] ? check_preemption_disabled+0x48/0x280 [ 295.359620] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.364481] apic_timer_interrupt+0xf/0x20 [ 295.368717] [ 295.370968] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 295.375926] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 295.394840] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 295.402561] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 295.409838] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 295.417115] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 295.424394] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 295.431677] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 295.438997] rcu_read_lock_held+0xa9/0xc0 [ 295.443157] list_lru_count_one+0x31a/0x450 [ 295.447504] ? list_lru_isolate_move+0x3c0/0x3c0 [ 295.452274] ? deferred_split_count+0x65/0x170 [ 295.456863] ? shrink_huge_zero_page_count+0xc8/0x100 [ 295.462091] super_cache_count+0x153/0x2e0 [ 295.466344] do_shrink_slab+0x1b1/0xd30 [ 295.470342] ? lock_acquire+0x1ed/0x520 [ 295.474330] ? snapshot_refaults+0x290/0x290 [ 295.478749] ? lock_release+0xa00/0xa00 [ 295.482739] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 295.487688] ? down_read_trylock+0xda/0x140 [ 295.492017] ? shrink_slab+0x207/0x8c0 [ 295.495933] ? downgrade_write+0x270/0x270 [ 295.500189] shrink_slab+0x389/0x8c0 [ 295.503931] ? shrink_active_list+0x1f00/0x1f00 [ 295.508618] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 295.514255] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 295.519381] ? cgroup_procs_write_finish+0xf0/0xf0 [ 295.524329] ? find_held_lock+0x36/0x1c0 [ 295.528412] shrink_node+0x431/0x16b0 [ 295.532225] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 295.537537] ? shrink_node_memcg+0x18f0/0x18f0 [ 295.542133] ? kvm_clock_read+0x18/0x30 [ 295.546117] ? ktime_get+0x2c1/0x400 [ 295.549844] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 295.554351] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 295.559915] ? __cpuset_node_allowed+0x19b/0x660 [ 295.564685] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 295.570414] ? delayacct_end+0x5a/0x100 [ 295.574416] do_try_to_free_pages+0x3e7/0x1290 [ 295.579011] ? zap_class+0x640/0x640 [ 295.582750] ? shrink_node+0x16b0/0x16b0 [ 295.586820] ? __lock_is_held+0xb5/0x140 [ 295.590925] try_to_free_pages+0x4d0/0xb90 [ 295.595180] ? do_try_to_free_pages+0x1290/0x1290 [ 295.600048] ? lock_acquire+0x1ed/0x520 [ 295.604036] ? set_page_refcounted+0x280/0x280 [ 295.608887] ? lock_release+0xa00/0xa00 [ 295.612914] ? _raw_spin_unlock_irq+0x60/0x80 [ 295.617429] ? psi_memstall_enter+0x240/0x2b0 [ 295.621950] ? psi_memstall_tick+0x230/0x230 [ 295.626386] __alloc_pages_slowpath+0xa48/0x2de0 [ 295.631184] ? warn_alloc+0x120/0x120 [ 295.634992] ? mark_held_locks+0x130/0x130 [ 295.639245] ? find_get_entry+0xaae/0x1120 [ 295.643503] ? filemap_map_pages+0x1a20/0x1a20 [ 295.648103] ? zap_class+0x640/0x640 [ 295.651833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.657385] ? check_preemption_disabled+0x48/0x280 [ 295.662418] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.667967] ? should_fail+0x22d/0xd01 [ 295.671874] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.677013] ? zap_class+0x640/0x640 [ 295.680767] ? __lock_is_held+0xb5/0x140 [ 295.684849] ? mark_held_locks+0x130/0x130 [ 295.689101] ? lock_release+0xa00/0xa00 [ 295.693092] ? perf_trace_sched_process_exec+0x860/0x860 [ 295.698553] ? xa_load+0x2ba/0x460 [ 295.702110] ? lock_downgrade+0x900/0x900 [ 295.706274] ? __might_sleep+0x95/0x190 [ 295.710269] __alloc_pages_nodemask+0xad8/0xea0 [ 295.715023] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 295.720098] ? __page_cache_alloc+0x191/0x5c0 [ 295.724604] ? xa_load+0x2e1/0x460 [ 295.728156] ? xa_clear_mark+0x40/0x40 [ 295.732060] ? zap_class+0x640/0x640 [ 295.735791] ? zap_class+0x640/0x640 [ 295.739512] ? zap_class+0x640/0x640 [ 295.743234] ? __do_page_cache_readahead+0x663/0x810 [ 295.748353] ? find_held_lock+0x36/0x1c0 [ 295.752436] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 295.758039] alloc_pages_current+0x173/0x350 [ 295.762466] __page_cache_alloc+0x38c/0x5c0 [ 295.766794] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 295.771735] ? kasan_check_read+0x11/0x20 [ 295.775890] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 295.781201] ? generic_perform_write+0x6a0/0x6a0 [ 295.785972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.791526] ? check_preemption_disabled+0x48/0x280 [ 295.796561] filemap_fault+0x1595/0x25f0 [ 295.800646] ? __lock_page_or_retry+0xa00/0xa00 [ 295.805336] ? mark_held_locks+0x130/0x130 [ 295.809590] ? filemap_map_pages+0xd6b/0x1a20 [ 295.814099] ? lock_downgrade+0x900/0x900 [ 295.818257] ? check_preemption_disabled+0x48/0x280 [ 295.823286] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 295.828225] ? kasan_check_read+0x11/0x20 [ 295.832380] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 295.837678] ? rcu_softirq_qs+0x20/0x20 [ 295.841677] ? filemap_map_pages+0xd92/0x1a20 [ 295.846189] ? print_usage_bug+0xc0/0xc0 [ 295.850266] ? find_get_entries_tag+0x1400/0x1400 [ 295.855123] ? __kasan_slab_free+0x102/0x150 [ 295.859540] ? kasan_slab_free+0xe/0x10 [ 295.863525] ? kmem_cache_free+0x83/0x290 [ 295.867682] ? __sigqueue_free.part.29+0x74/0x90 [ 295.872466] ? lock_acquire+0x1ed/0x520 [ 295.876452] ? ext4_filemap_fault+0x7a/0xad [ 295.880789] ? lock_release+0xa00/0xa00 [ 295.884771] ? perf_trace_sched_process_exec+0x860/0x860 [ 295.890232] ? print_usage_bug+0xc0/0xc0 [ 295.894307] ? print_usage_bug+0xc0/0xc0 [ 295.898390] ? down_read+0x8d/0x120 [ 295.902032] ? ext4_filemap_fault+0x7a/0xad [ 295.906361] ? __down_interruptible+0x700/0x700 [ 295.911051] ext4_filemap_fault+0x82/0xad [ 295.915216] __do_fault+0x100/0x6b0 [ 295.918859] ? pmd_devmap_trans_unstable+0x220/0x220 [ 295.923975] ? mark_held_locks+0x130/0x130 [ 295.928223] ? mark_held_locks+0x130/0x130 [ 295.932468] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 295.938021] ? rcu_pm_notify+0xc0/0xc0 [ 295.941948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.947504] __handle_mm_fault+0x3ea0/0x5be0 [ 295.951951] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 295.956807] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.961313] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 295.965926] ? trace_hardirqs_on+0xbd/0x310 [ 295.970259] ? kasan_check_read+0x11/0x20 [ 295.974466] ? __set_current_blocked+0xdf/0x120 [ 295.979148] ? trace_hardirqs_off_caller+0x310/0x310 [ 295.984275] ? zap_class+0x640/0x640 [ 295.988002] ? zap_class+0x640/0x640 [ 295.991733] ? find_held_lock+0x36/0x1c0 [ 295.995813] ? handle_mm_fault+0x42a/0xc70 [ 296.000059] ? lock_downgrade+0x900/0x900 [ 296.004221] ? check_preemption_disabled+0x48/0x280 [ 296.009252] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 296.014192] ? kasan_check_read+0x11/0x20 [ 296.018354] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 296.023639] ? rcu_softirq_qs+0x20/0x20 [ 296.027620] ? trace_hardirqs_off_caller+0x310/0x310 [ 296.032735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.038283] ? check_preemption_disabled+0x48/0x280 [ 296.043318] handle_mm_fault+0x54f/0xc70 [ 296.047393] ? __handle_mm_fault+0x5be0/0x5be0 [ 296.051996] ? find_vma+0x34/0x190 [ 296.055550] __do_page_fault+0x5e8/0xe60 [ 296.059625] ? exit_to_usermode_loop+0x1f4/0x380 [ 296.064402] do_page_fault+0xf2/0x7e0 [ 296.068218] ? vmalloc_sync_all+0x30/0x30 [ 296.072381] ? error_entry+0x70/0xd0 [ 296.076110] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.081139] ? trace_hardirqs_on_caller+0xc0/0x310 [ 296.086137] ? syscall_return_slowpath+0x5e0/0x5e0 [ 296.091086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.095949] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.100980] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.106453] ? prepare_exit_to_usermode+0x291/0x3b0 [ 296.111484] ? page_fault+0x8/0x30 [ 296.115037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.119893] ? page_fault+0x8/0x30 [ 296.123469] page_fault+0x1e/0x30 [ 296.126941] RIP: 0033:0x45db60 [ 296.130157] Code: Bad RIP value. [ 296.133526] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 296.138914] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 296.146194] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 296.153470] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 296.160750] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 296.168031] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 296.175332] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 296.175401] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.182359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.182364] Call Trace: [ 296.182371] [ 296.182390] dump_stack+0x244/0x39d [ 296.182409] ? dump_stack_print_info.cold.1+0x20/0x20 [ 296.189024] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.198287] warn_alloc.cold.116+0xb7/0x1bd [ 296.200851] syz-fuzzer cpuset=/ mems_allowed=0 [ 296.203007] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.235871] ? lock_downgrade+0x900/0x900 [ 296.240059] ? trace_hardirqs_off+0xb8/0x310 [ 296.244483] ? trace_hardirqs_off+0xb8/0x310 [ 296.248928] __alloc_pages_slowpath+0x2651/0x2de0 [ 296.253812] ? warn_alloc+0x120/0x120 [ 296.257627] ? warn_alloc+0x120/0x120 [ 296.261438] ? __lock_acquire+0x62f/0x4c20 [ 296.265685] ? warn_alloc+0x120/0x120 [ 296.269496] ? print_usage_bug+0xc0/0xc0 [ 296.273572] ? print_usage_bug+0xc0/0xc0 [ 296.277647] ? mark_held_locks+0x130/0x130 [ 296.281919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.287477] ? should_fail+0x22d/0xd01 [ 296.291373] ? zap_class+0x640/0x640 [ 296.295100] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.300216] ? __lock_acquire+0x62f/0x4c20 [ 296.304465] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.309577] ? should_fail+0x22d/0xd01 [ 296.313484] ? mark_held_locks+0x130/0x130 [ 296.317733] ? mark_held_locks+0x130/0x130 [ 296.321983] ? lock_downgrade+0x900/0x900 [ 296.326142] ? zap_class+0x640/0x640 [ 296.329864] ? zap_class+0x640/0x640 [ 296.333614] ? zap_class+0x640/0x640 [ 296.337336] ? do_raw_spin_unlock+0xa7/0x330 [ 296.341760] ? trace_hardirqs_on+0x310/0x310 [ 296.346181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.351728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.357279] ? check_preemption_disabled+0x48/0x280 [ 296.362314] ? __lock_is_held+0xb5/0x140 [ 296.366442] __alloc_pages_nodemask+0xad8/0xea0 [ 296.371125] ? zap_class+0x640/0x640 [ 296.374856] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 296.379894] ? find_held_lock+0x36/0x1c0 [ 296.383999] ? ____cache_alloc_node+0x1c7/0x1e0 [ 296.388678] ? lock_downgrade+0x900/0x900 [ 296.392844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.398401] cache_grow_begin+0xa5/0x8c0 [ 296.402472] ? do_raw_spin_unlock+0xa7/0x330 [ 296.406923] fallback_alloc+0x204/0x2e0 [ 296.410937] ____cache_alloc_node+0x1c7/0x1e0 [ 296.415451] kmem_cache_alloc_node+0xe3/0x730 [ 296.419963] ? lockdep_hardirqs_on+0x296/0x5b0 [ 296.424565] __alloc_skb+0x119/0x770 [ 296.428287] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 296.433665] ? netdev_alloc_frag+0x1f0/0x1f0 [ 296.438090] ? vprintk_default+0x28/0x30 [ 296.442162] ? vprintk_func+0x85/0x181 [ 296.446061] ? printk+0xa7/0xcf [ 296.449349] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 296.454118] ? do_raw_spin_trylock+0x270/0x270 [ 296.458712] new_skb+0x26/0x1c0 [ 296.462007] aoecmd_cfg+0x279/0x7f0 [ 296.465646] ? find_held_lock+0x36/0x1c0 [ 296.469721] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 296.474063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.479621] ? __lock_is_held+0xb5/0x140 [ 296.483702] discover_timer+0x50/0x60 [ 296.487515] call_timer_fn+0x272/0x920 [ 296.491414] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 296.496264] ? process_timeout+0x40/0x40 [ 296.500343] ? mark_held_locks+0xc7/0x130 [ 296.504504] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.509008] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.513511] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 296.518364] ? lockdep_hardirqs_on+0x296/0x5b0 [ 296.522958] ? trace_hardirqs_on+0xbd/0x310 [ 296.527290] ? kasan_check_read+0x11/0x20 [ 296.531443] ? __run_timers+0x7da/0xc70 [ 296.535425] ? trace_hardirqs_off_caller+0x310/0x310 [ 296.540552] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 296.545403] __run_timers+0x7e5/0xc70 [ 296.549226] ? timer_fixup_init+0x70/0x70 [ 296.553385] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.558410] ? zap_class+0x640/0x640 [ 296.562138] ? print_usage_bug+0xc0/0xc0 [ 296.566210] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.571417] ? find_held_lock+0x36/0x1c0 [ 296.575493] ? zap_class+0x640/0x640 [ 296.579222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.584770] ? check_preemption_disabled+0x48/0x280 [ 296.589805] ? __lock_is_held+0xb5/0x140 [ 296.593882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.599454] ? check_preemption_disabled+0x48/0x280 [ 296.604484] run_timer_softirq+0x52/0xb0 [ 296.608557] ? rcu_read_lock_sched_held+0x14f/0x180 [ 296.613589] __do_softirq+0x308/0xb7e [ 296.617401] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 296.621926] ? lock_downgrade+0x900/0x900 [ 296.626091] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 296.631215] ? pvclock_read_flags+0x160/0x160 [ 296.635720] ? lapic_next_event+0x5a/0x90 [ 296.639893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.645469] ? kvm_clock_read+0x18/0x30 [ 296.649452] ? kvm_sched_clock_read+0x9/0x20 [ 296.653869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.659443] ? check_preemption_disabled+0x48/0x280 [ 296.664479] irq_exit+0x17f/0x1c0 [ 296.667957] smp_apic_timer_interrupt+0x1cb/0x760 [ 296.672808] ? smp_reschedule_interrupt+0x109/0x650 [ 296.677983] ? smp_call_function_single_interrupt+0x650/0x650 [ 296.683879] ? interrupt_entry+0xb5/0xc0 [ 296.687976] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.693003] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.698032] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.702884] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.707946] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.712975] ? task_prio+0x50/0x50 [ 296.716525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.722077] ? check_preemption_disabled+0x48/0x280 [ 296.727108] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.731982] apic_timer_interrupt+0xf/0x20 [ 296.736520] [ 296.738772] RIP: 0010:console_unlock+0x102f/0x1190 [ 296.743712] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 296.762622] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 296.770344] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 296.777633] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 296.784930] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 296.792254] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 296.799531] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 296.806819] ? netconsole_netdev_event+0x280/0x280 [ 296.811765] ? console_unlock+0x1026/0x1190 [ 296.816115] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 296.820800] ? lock_release+0xa00/0xa00 [ 296.824788] ? retint_kernel+0x2d/0x2d [ 296.828701] vprintk_emit+0x391/0x990 [ 296.832520] ? wake_up_klogd+0x180/0x180 [ 296.836599] ? match_held_lock+0x811/0x8d0 [ 296.840852] ? mark_held_locks+0xc7/0x130 [ 296.845017] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.849520] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.854031] vprintk_default+0x28/0x30 [ 296.857952] vprintk_func+0x7e/0x181 [ 296.861679] printk+0xa7/0xcf [ 296.864793] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 296.869564] ? _raw_spin_unlock_irq+0x60/0x80 [ 296.874085] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 296.879389] dump_header+0x7cc/0xf72 [ 296.883125] ? pagefault_out_of_memory+0x197/0x197 [ 296.888072] ? __lock_acquire+0x62f/0x4c20 [ 296.892320] ? percpu_ref_get_many+0x240/0x240 [ 296.896936] ? print_usage_bug+0xc0/0xc0 [ 296.901017] ? zap_class+0x640/0x640 [ 296.904743] ? print_usage_bug+0xc0/0xc0 [ 296.908817] ? zap_class+0x640/0x640 [ 296.912556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.918109] ? find_held_lock+0x36/0x1c0 [ 296.922188] ? mark_held_locks+0xc7/0x130 [ 296.926349] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 296.931464] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 296.936575] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 296.941170] ? trace_hardirqs_on+0xbd/0x310 [ 296.945501] ? kasan_check_read+0x11/0x20 [ 296.949659] ? ___ratelimit+0x3b4/0x672 [ 296.953644] ? trace_hardirqs_off_caller+0x310/0x310 [ 296.958758] ? trace_hardirqs_on+0x310/0x310 [ 296.963178] ? lock_downgrade+0x900/0x900 [ 296.967347] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 296.972460] ? ___ratelimit+0x3b9/0x672 [ 296.976447] ? idr_get_free+0xf70/0xf70 [ 296.980430] ? find_held_lock+0x36/0x1c0 [ 296.984510] oom_kill_process.cold.27+0x10/0x903 [ 296.989277] ? zap_class+0x640/0x640 [ 296.993002] ? check_preemption_disabled+0x48/0x280 [ 296.998031] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 297.002970] ? kasan_check_read+0x11/0x20 [ 297.007130] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.012416] ? oom_evaluate_task+0x540/0x540 [ 297.016837] ? find_held_lock+0x36/0x1c0 [ 297.020937] ? out_of_memory+0x974/0x1430 [ 297.025099] ? lock_downgrade+0x900/0x900 [ 297.029256] ? check_preemption_disabled+0x48/0x280 [ 297.034283] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 297.039222] ? kasan_check_read+0x11/0x20 [ 297.043380] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.048667] ? rcu_softirq_qs+0x20/0x20 [ 297.052655] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 297.058203] ? oom_evaluate_task+0x302/0x540 [ 297.062626] out_of_memory+0xa84/0x1430 [ 297.066618] ? oom_killer_disable+0x3a0/0x3a0 [ 297.071124] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 297.076070] ? __ww_mutex_check_waiters+0x160/0x160 [ 297.081109] __alloc_pages_slowpath+0x232c/0x2de0 [ 297.085991] ? warn_alloc+0x120/0x120 [ 297.089799] ? mark_held_locks+0x130/0x130 [ 297.094050] ? find_get_entry+0xaae/0x1120 [ 297.098305] ? filemap_map_pages+0x1a20/0x1a20 [ 297.102928] ? zap_class+0x640/0x640 [ 297.106665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.112214] ? check_preemption_disabled+0x48/0x280 [ 297.117241] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.122791] ? should_fail+0x22d/0xd01 [ 297.126742] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.131859] ? zap_class+0x640/0x640 [ 297.135606] ? __lock_is_held+0xb5/0x140 [ 297.139684] ? mark_held_locks+0x130/0x130 [ 297.143956] ? lock_release+0xa00/0xa00 [ 297.147953] ? perf_trace_sched_process_exec+0x860/0x860 [ 297.153413] ? xa_load+0x2ba/0x460 [ 297.156969] ? lock_downgrade+0x900/0x900 [ 297.161131] ? __might_sleep+0x95/0x190 [ 297.165123] __alloc_pages_nodemask+0xad8/0xea0 [ 297.169807] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 297.174834] ? __page_cache_alloc+0x191/0x5c0 [ 297.179334] ? xa_load+0x2e1/0x460 [ 297.182882] ? xa_clear_mark+0x40/0x40 [ 297.186805] ? zap_class+0x640/0x640 [ 297.190528] ? zap_class+0x640/0x640 [ 297.194266] ? zap_class+0x640/0x640 [ 297.197991] ? zap_class+0x640/0x640 [ 297.201714] ? __do_page_cache_readahead+0x663/0x810 [ 297.206840] ? find_held_lock+0x36/0x1c0 [ 297.210986] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 297.216566] alloc_pages_current+0x173/0x350 [ 297.220998] __page_cache_alloc+0x38c/0x5c0 [ 297.225331] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 297.230271] ? kasan_check_read+0x11/0x20 [ 297.234436] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.239725] ? generic_perform_write+0x6a0/0x6a0 [ 297.244492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.250040] ? check_preemption_disabled+0x48/0x280 [ 297.255073] filemap_fault+0x1595/0x25f0 [ 297.259158] ? __lock_page_or_retry+0xa00/0xa00 [ 297.263841] ? mark_held_locks+0x130/0x130 [ 297.268099] ? filemap_map_pages+0xd6b/0x1a20 [ 297.272604] ? lock_downgrade+0x900/0x900 [ 297.276761] ? check_preemption_disabled+0x48/0x280 [ 297.281790] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 297.286728] ? kasan_check_read+0x11/0x20 [ 297.290884] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.296191] ? rcu_softirq_qs+0x20/0x20 [ 297.300189] ? filemap_map_pages+0xd92/0x1a20 [ 297.304696] ? queue_work_on+0x12c/0x1e0 [ 297.308771] ? find_get_entries_tag+0x1400/0x1400 [ 297.313625] ? debug_object_destroy+0x2b0/0x2b0 [ 297.318305] ? lock_pi_update_atomic+0x150/0x150 [ 297.323072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.328630] ? lock_acquire+0x1ed/0x520 [ 297.332611] ? ext4_filemap_fault+0x7a/0xad [ 297.336959] ? lock_release+0xa00/0xa00 [ 297.340950] ? perf_trace_sched_process_exec+0x860/0x860 [ 297.346409] ? print_usage_bug+0xc0/0xc0 [ 297.350485] ? print_usage_bug+0xc0/0xc0 [ 297.354564] ? down_read+0x8d/0x120 [ 297.358198] ? ext4_filemap_fault+0x7a/0xad [ 297.362530] ? __down_interruptible+0x700/0x700 [ 297.367217] ext4_filemap_fault+0x82/0xad [ 297.371375] __do_fault+0x100/0x6b0 [ 297.375012] ? perf_tp_event+0xc20/0xc20 [ 297.379084] ? pmd_devmap_trans_unstable+0x220/0x220 [ 297.384198] ? mark_held_locks+0x130/0x130 [ 297.388444] ? mark_held_locks+0x130/0x130 [ 297.392691] ? debug_smp_processor_id+0x1c/0x20 [ 297.397367] ? perf_trace_lock+0x14d/0x7a0 [ 297.401620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.407175] __handle_mm_fault+0x3ea0/0x5be0 [ 297.411603] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 297.416455] ? lock_is_held_type+0x210/0x210 [ 297.420878] ? __switch_to_asm+0x34/0x70 [ 297.424973] ? __switch_to_asm+0x34/0x70 [ 297.429058] ? zap_class+0x640/0x640 [ 297.432779] ? zap_class+0x640/0x640 [ 297.436500] ? __x64_sys_futex+0x53e/0x6a0 [ 297.440748] ? find_held_lock+0x36/0x1c0 [ 297.444833] ? handle_mm_fault+0x42a/0xc70 [ 297.449125] ? lock_downgrade+0x900/0x900 [ 297.453286] ? check_preemption_disabled+0x48/0x280 [ 297.458315] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 297.463254] ? kasan_check_read+0x11/0x20 [ 297.467412] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.472698] ? rcu_softirq_qs+0x20/0x20 [ 297.476684] ? trace_hardirqs_off_caller+0x310/0x310 [ 297.481796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.487344] ? check_preemption_disabled+0x48/0x280 [ 297.492376] handle_mm_fault+0x54f/0xc70 [ 297.496451] ? __handle_mm_fault+0x5be0/0x5be0 [ 297.501052] ? find_vma+0x34/0x190 [ 297.504658] __do_page_fault+0x5e8/0xe60 [ 297.508728] ? trace_hardirqs_off+0xb8/0x310 [ 297.513158] do_page_fault+0xf2/0x7e0 [ 297.516971] ? vmalloc_sync_all+0x30/0x30 [ 297.521131] ? error_entry+0x70/0xd0 [ 297.524856] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.529882] ? trace_hardirqs_on_caller+0xc0/0x310 [ 297.534845] ? syscall_return_slowpath+0x5e0/0x5e0 [ 297.539785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.544639] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.549663] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.555126] ? prepare_exit_to_usermode+0x291/0x3b0 [ 297.560153] ? page_fault+0x8/0x30 [ 297.563705] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.568563] ? page_fault+0x8/0x30 [ 297.572115] page_fault+0x1e/0x30 [ 297.575574] RIP: 0033:0x45ddf3 [ 297.578789] Code: Bad RIP value. [ 297.582164] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 297.587533] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 297.594807] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 297.602082] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 297.609864] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 297.617165] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 297.624510] warn_alloc_show_mem: 1 callbacks suppressed [ 297.624526] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 297.624527] Mem-Info: [ 297.624558] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 297.624558] active_file:10 inactive_file:13 isolated_file:0 [ 297.624558] unevictable:0 dirty:0 writeback:0 unstable:0 [ 297.624558] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 297.624558] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 297.624558] free:13776 free_pcp:523 free_cma:0 [ 297.630000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.637029] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 297.639435] Call Trace: [ 297.672489] 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 [ 297.681846] [ 297.709515] lowmem_reserve[]: 0 2818 6321 6321 [ 297.712123] dump_stack+0x244/0x39d [ 297.738220] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 297.740385] ? dump_stack_print_info.cold.1+0x20/0x20 [ 297.744944] lowmem_reserve[]: 0 0 3503 3503 [ 297.748584] warn_alloc.cold.116+0xb7/0x1bd [ 297.775884] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 297.781100] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.785401] lowmem_reserve[]: 0 0 0 0 [ 297.789735] ? lock_downgrade+0x900/0x900 [ 297.818782] 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 [ 297.823641] ? trace_hardirqs_off+0xb8/0x310 [ 297.827411] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 297.831575] ? trace_hardirqs_off+0xb8/0x310 [ 297.845081] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 297.849501] __alloc_pages_slowpath+0x2651/0x2de0 [ 297.864750] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 297.869184] ? warn_alloc+0x120/0x120 [ 297.883541] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 297.888386] ? print_usage_bug+0xc0/0xc0 [ 297.897207] 1516 total pagecache pages [ 297.901009] ? warn_alloc+0x120/0x120 [ 297.909574] 0 pages in swap cache [ 297.913629] ? warn_alloc+0x120/0x120 [ 297.917506] Swap cache stats: add 0, delete 0, find 0/0 [ 297.921310] ? print_usage_bug+0xc0/0xc0 [ 297.924746] Free swap = 0kB [ 297.928550] ? kvm_clock_read+0x18/0x30 [ 297.933919] Total swap = 0kB [ 297.937987] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 297.940987] 1965979 pages RAM [ 297.944966] ? print_usage_bug+0xc0/0xc0 [ 297.947968] 0 pages HighMem/MovableOnly [ 297.952992] ? __lock_acquire+0x62f/0x4c20 [ 297.956082] 342854 pages reserved [ 297.960149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.964104] 0 pages cma reserved [ 297.968340] ? should_fail+0x22d/0xd01 [ 297.971883] aoe: skb alloc failure [ 297.977309] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.977328] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.977346] ? __lock_acquire+0x62f/0x4c20 [ 297.980731] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 297.984592] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.988116] syz-fuzzer cpuset=/ mems_allowed=0 [ 297.993395] ? __lock_acquire+0x62f/0x4c20 [ 298.026846] ? should_fail+0x22d/0xd01 [ 298.030744] ? rcu_irq_exit+0x1a2/0x390 [ 298.034742] ? mark_held_locks+0x130/0x130 [ 298.038997] ? mark_held_locks+0x130/0x130 [ 298.043248] ? mark_held_locks+0xc7/0x130 [ 298.047404] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 298.052439] ? zap_class+0x640/0x640 [ 298.056162] ? print_usage_bug+0xc0/0xc0 [ 298.060239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.065790] ? check_preemption_disabled+0x48/0x280 [ 298.070824] ? __lock_is_held+0xb5/0x140 [ 298.074921] __alloc_pages_nodemask+0xad8/0xea0 [ 298.079607] ? zap_class+0x640/0x640 [ 298.083337] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 298.088373] ? find_held_lock+0x36/0x1c0 [ 298.092457] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.097138] ? lock_downgrade+0x900/0x900 [ 298.101307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.106859] cache_grow_begin+0xa5/0x8c0 [ 298.110948] ? do_raw_spin_unlock+0xa7/0x330 [ 298.115373] fallback_alloc+0x204/0x2e0 [ 298.119364] ____cache_alloc_node+0x1c7/0x1e0 [ 298.123875] kmem_cache_alloc_node+0xe3/0x730 [ 298.128401] ? ipv6_get_ifaddr+0x42e/0x620 [ 298.132663] __alloc_skb+0x119/0x770 [ 298.136386] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.141689] ? netdev_alloc_frag+0x1f0/0x1f0 [ 298.146108] ? lock_downgrade+0x900/0x900 [ 298.150275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.155826] ? refcount_sub_and_test_checked+0x203/0x310 [ 298.161294] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 298.166761] ? addrconf_rs_timer+0x690/0x690 [ 298.171191] ndisc_alloc_skb+0x144/0x340 [ 298.175271] ndisc_send_rs+0x331/0x6e0 [ 298.179175] addrconf_rs_timer+0x314/0x690 [ 298.183430] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.187685] call_timer_fn+0x272/0x920 [ 298.191582] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.195827] ? process_timeout+0x40/0x40 [ 298.199925] ? mark_held_locks+0xc7/0x130 [ 298.204090] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.208595] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.213104] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.217348] ? lockdep_hardirqs_on+0x296/0x5b0 [ 298.221955] ? trace_hardirqs_on+0xbd/0x310 [ 298.226290] ? kasan_check_read+0x11/0x20 [ 298.230450] ? __run_timers+0x7da/0xc70 [ 298.234448] ? trace_hardirqs_off_caller+0x310/0x310 [ 298.239566] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.243821] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.248069] __run_timers+0x7e5/0xc70 [ 298.251895] ? timer_fixup_init+0x70/0x70 [ 298.256077] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 298.261105] ? zap_class+0x640/0x640 [ 298.264835] ? print_usage_bug+0xc0/0xc0 [ 298.268926] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 298.274134] ? find_held_lock+0x36/0x1c0 [ 298.278212] ? zap_class+0x640/0x640 [ 298.281960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.287513] ? check_preemption_disabled+0x48/0x280 [ 298.292547] ? __lock_is_held+0xb5/0x140 [ 298.296622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.302169] ? check_preemption_disabled+0x48/0x280 [ 298.307202] run_timer_softirq+0x52/0xb0 [ 298.311276] ? rcu_read_lock_sched_held+0x14f/0x180 [ 298.316302] __do_softirq+0x308/0xb7e [ 298.320119] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 298.324624] ? lock_downgrade+0x900/0x900 [ 298.328791] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 298.333936] ? pvclock_read_flags+0x160/0x160 [ 298.338449] ? lapic_next_event+0x5a/0x90 [ 298.342608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.348161] ? kvm_clock_read+0x18/0x30 [ 298.352143] ? kvm_sched_clock_read+0x9/0x20 [ 298.356563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.362112] ? check_preemption_disabled+0x48/0x280 [ 298.367152] irq_exit+0x17f/0x1c0 [ 298.370619] smp_apic_timer_interrupt+0x1cb/0x760 [ 298.375473] ? smp_reschedule_interrupt+0x109/0x650 [ 298.380503] ? smp_call_function_single_interrupt+0x650/0x650 [ 298.386400] ? interrupt_entry+0xb5/0xc0 [ 298.390485] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.395511] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.400541] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.405395] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.410431] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.415455] ? task_prio+0x50/0x50 [ 298.419012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.424561] ? check_preemption_disabled+0x48/0x280 [ 298.429594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.434452] apic_timer_interrupt+0xf/0x20 [ 298.438691] [ 298.440953] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 298.445893] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 298.464830] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 298.472549] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 298.479828] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 298.487105] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 298.494381] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 298.501662] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 298.508989] rcu_read_lock_held+0xa9/0xc0 [ 298.513154] list_lru_count_one+0x31a/0x450 [ 298.517489] ? list_lru_isolate_move+0x3c0/0x3c0 [ 298.522264] ? deferred_split_count+0x65/0x170 [ 298.526854] ? shrink_huge_zero_page_count+0xc8/0x100 [ 298.532061] super_cache_count+0x153/0x2e0 [ 298.536317] do_shrink_slab+0x1b1/0xd30 [ 298.540307] ? lock_acquire+0x1ed/0x520 [ 298.544300] ? snapshot_refaults+0x290/0x290 [ 298.548719] ? lock_release+0xa00/0xa00 [ 298.552708] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 298.557656] ? down_read_trylock+0xda/0x140 [ 298.561988] ? shrink_slab+0x207/0x8c0 [ 298.565882] ? downgrade_write+0x270/0x270 [ 298.570150] shrink_slab+0x389/0x8c0 [ 298.573871] ? shrink_active_list+0x1f00/0x1f00 [ 298.578566] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 298.584200] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 298.589334] ? cgroup_procs_write_finish+0xf0/0xf0 [ 298.594274] ? find_held_lock+0x36/0x1c0 [ 298.598345] shrink_node+0x431/0x16b0 [ 298.602186] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 298.607487] ? shrink_node_memcg+0x18f0/0x18f0 [ 298.612077] ? kvm_clock_read+0x18/0x30 [ 298.616058] ? ktime_get+0x2c1/0x400 [ 298.619776] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 298.624275] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 298.629812] ? __cpuset_node_allowed+0x19b/0x660 [ 298.634571] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 298.640287] ? delayacct_end+0x5a/0x100 [ 298.644290] do_try_to_free_pages+0x3e7/0x1290 [ 298.648873] ? zap_class+0x640/0x640 [ 298.652609] ? shrink_node+0x16b0/0x16b0 [ 298.656679] ? __lock_is_held+0xb5/0x140 [ 298.660765] try_to_free_pages+0x4d0/0xb90 [ 298.665048] ? do_try_to_free_pages+0x1290/0x1290 [ 298.669912] ? lock_acquire+0x1ed/0x520 [ 298.673893] ? set_page_refcounted+0x280/0x280 [ 298.678496] ? lock_release+0xa00/0xa00 [ 298.682476] ? _raw_spin_unlock_irq+0x60/0x80 [ 298.686977] ? psi_memstall_enter+0x240/0x2b0 [ 298.691476] ? psi_memstall_tick+0x230/0x230 [ 298.695922] __alloc_pages_slowpath+0xa48/0x2de0 [ 298.700707] ? warn_alloc+0x120/0x120 [ 298.704506] ? mark_held_locks+0x130/0x130 [ 298.708746] ? find_get_entry+0xaae/0x1120 [ 298.712989] ? filemap_map_pages+0x1a20/0x1a20 [ 298.717582] ? zap_class+0x640/0x640 [ 298.721363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.726922] ? check_preemption_disabled+0x48/0x280 [ 298.731957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.737624] ? should_fail+0x22d/0xd01 [ 298.741517] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.746620] ? zap_class+0x640/0x640 [ 298.750386] ? __lock_is_held+0xb5/0x140 [ 298.754465] ? mark_held_locks+0x130/0x130 [ 298.758705] ? lock_release+0xa00/0xa00 [ 298.762679] ? perf_trace_sched_process_exec+0x860/0x860 [ 298.768143] ? xa_load+0x2ba/0x460 [ 298.771686] ? lock_downgrade+0x900/0x900 [ 298.775838] ? __might_sleep+0x95/0x190 [ 298.779816] __alloc_pages_nodemask+0xad8/0xea0 [ 298.784510] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 298.789557] ? __page_cache_alloc+0x191/0x5c0 [ 298.794047] ? xa_load+0x2e1/0x460 [ 298.797600] ? xa_clear_mark+0x40/0x40 [ 298.801487] ? zap_class+0x640/0x640 [ 298.805207] ? zap_class+0x640/0x640 [ 298.808923] ? zap_class+0x640/0x640 [ 298.812639] ? __do_page_cache_readahead+0x663/0x810 [ 298.817747] ? find_held_lock+0x36/0x1c0 [ 298.821812] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 298.827363] alloc_pages_current+0x173/0x350 [ 298.831782] __page_cache_alloc+0x38c/0x5c0 [ 298.836116] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 298.841044] ? kasan_check_read+0x11/0x20 [ 298.845195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.850474] ? generic_perform_write+0x6a0/0x6a0 [ 298.855232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.860776] ? check_preemption_disabled+0x48/0x280 [ 298.865800] filemap_fault+0x1595/0x25f0 [ 298.869874] ? __lock_page_or_retry+0xa00/0xa00 [ 298.874564] ? mark_held_locks+0x130/0x130 [ 298.878829] ? filemap_map_pages+0xd6b/0x1a20 [ 298.883326] ? lock_downgrade+0x900/0x900 [ 298.887479] ? check_preemption_disabled+0x48/0x280 [ 298.892497] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 298.897440] ? kasan_check_read+0x11/0x20 [ 298.901585] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.906861] ? rcu_softirq_qs+0x20/0x20 [ 298.910853] ? filemap_map_pages+0xd92/0x1a20 [ 298.915360] ? print_usage_bug+0xc0/0xc0 [ 298.919432] ? find_get_entries_tag+0x1400/0x1400 [ 298.924274] ? __kasan_slab_free+0x102/0x150 [ 298.928683] ? kasan_slab_free+0xe/0x10 [ 298.932656] ? kmem_cache_free+0x83/0x290 [ 298.936819] ? __sigqueue_free.part.29+0x74/0x90 [ 298.941592] ? lock_acquire+0x1ed/0x520 [ 298.945567] ? ext4_filemap_fault+0x7a/0xad [ 298.949905] ? lock_release+0xa00/0xa00 [ 298.953884] ? perf_trace_sched_process_exec+0x860/0x860 [ 298.959345] ? print_usage_bug+0xc0/0xc0 [ 298.963428] ? print_usage_bug+0xc0/0xc0 [ 298.967542] ? down_read+0x8d/0x120 [ 298.971198] ? ext4_filemap_fault+0x7a/0xad [ 298.975532] ? __down_interruptible+0x700/0x700 [ 298.980255] ext4_filemap_fault+0x82/0xad [ 298.984457] __do_fault+0x100/0x6b0 [ 298.988087] ? pmd_devmap_trans_unstable+0x220/0x220 [ 298.993192] ? mark_held_locks+0x130/0x130 [ 298.997472] ? mark_held_locks+0x130/0x130 [ 299.001740] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 299.007280] ? rcu_pm_notify+0xc0/0xc0 [ 299.011176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.016736] __handle_mm_fault+0x3ea0/0x5be0 [ 299.021156] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 299.025996] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.030494] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 299.035081] ? trace_hardirqs_on+0xbd/0x310 [ 299.039404] ? kasan_check_read+0x11/0x20 [ 299.043560] ? __set_current_blocked+0xdf/0x120 [ 299.048230] ? trace_hardirqs_off_caller+0x310/0x310 [ 299.053348] ? zap_class+0x640/0x640 [ 299.057063] ? zap_class+0x640/0x640 [ 299.060783] ? find_held_lock+0x36/0x1c0 [ 299.064854] ? handle_mm_fault+0x42a/0xc70 [ 299.069091] ? lock_downgrade+0x900/0x900 [ 299.073240] ? check_preemption_disabled+0x48/0x280 [ 299.078258] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 299.083187] ? kasan_check_read+0x11/0x20 [ 299.087336] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 299.092610] ? rcu_softirq_qs+0x20/0x20 [ 299.096583] ? trace_hardirqs_off_caller+0x310/0x310 [ 299.101688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.107231] ? check_preemption_disabled+0x48/0x280 [ 299.112257] handle_mm_fault+0x54f/0xc70 [ 299.116322] ? __handle_mm_fault+0x5be0/0x5be0 [ 299.120917] ? find_vma+0x34/0x190 [ 299.124464] __do_page_fault+0x5e8/0xe60 [ 299.128532] ? exit_to_usermode_loop+0x1f4/0x380 [ 299.133296] do_page_fault+0xf2/0x7e0 [ 299.137099] ? vmalloc_sync_all+0x30/0x30 [ 299.141252] ? error_entry+0x70/0xd0 [ 299.144969] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.149984] ? trace_hardirqs_on_caller+0xc0/0x310 [ 299.154923] ? syscall_return_slowpath+0x5e0/0x5e0 [ 299.159854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.164699] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.169714] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.175173] ? prepare_exit_to_usermode+0x291/0x3b0 [ 299.180195] ? page_fault+0x8/0x30 [ 299.183742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.188586] ? page_fault+0x8/0x30 [ 299.192131] page_fault+0x1e/0x30 [ 299.195588] RIP: 0033:0x45db60 [ 299.198806] Code: Bad RIP value. [ 299.202174] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 299.207542] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 299.214821] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 299.222086] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 299.229351] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 299.236651] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 299.243977] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 299.244046] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 299.250998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.251003] Call Trace: [ 299.251010] [ 299.251029] dump_stack+0x244/0x39d [ 299.251049] ? dump_stack_print_info.cold.1+0x20/0x20 [ 299.257617] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 299.266886] warn_alloc.cold.116+0xb7/0x1bd [ 299.269440] syz-fuzzer cpuset=/ mems_allowed=0 [ 299.271582] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 299.304323] ? lock_downgrade+0x900/0x900 [ 299.308493] ? trace_hardirqs_off+0xb8/0x310 [ 299.312939] ? trace_hardirqs_off+0xb8/0x310 [ 299.317357] __alloc_pages_slowpath+0x2651/0x2de0 [ 299.322259] ? warn_alloc+0x120/0x120 [ 299.326067] ? warn_alloc+0x120/0x120 [ 299.329871] ? __lock_acquire+0x62f/0x4c20 [ 299.334119] ? warn_alloc+0x120/0x120 [ 299.337935] ? print_usage_bug+0xc0/0xc0 [ 299.342005] ? print_usage_bug+0xc0/0xc0 [ 299.346074] ? mark_held_locks+0x130/0x130 [ 299.350316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.355857] ? should_fail+0x22d/0xd01 [ 299.359742] ? zap_class+0x640/0x640 [ 299.363462] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.368572] ? __lock_acquire+0x62f/0x4c20 [ 299.372832] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.377947] ? should_fail+0x22d/0xd01 [ 299.381846] ? mark_held_locks+0x130/0x130 [ 299.386086] ? mark_held_locks+0x130/0x130 [ 299.390319] ? lock_downgrade+0x900/0x900 [ 299.394467] ? zap_class+0x640/0x640 [ 299.398179] ? zap_class+0x640/0x640 [ 299.401893] ? zap_class+0x640/0x640 [ 299.405620] ? do_raw_spin_unlock+0xa7/0x330 [ 299.410030] ? trace_hardirqs_on+0x310/0x310 [ 299.414438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.419976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.425519] ? check_preemption_disabled+0x48/0x280 [ 299.430542] ? __lock_is_held+0xb5/0x140 [ 299.434609] __alloc_pages_nodemask+0xad8/0xea0 [ 299.439279] ? zap_class+0x640/0x640 [ 299.443003] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 299.448035] ? find_held_lock+0x36/0x1c0 [ 299.452105] ? ____cache_alloc_node+0x1c7/0x1e0 [ 299.456778] ? lock_downgrade+0x900/0x900 [ 299.460941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.466484] cache_grow_begin+0xa5/0x8c0 [ 299.470545] ? do_raw_spin_unlock+0xa7/0x330 [ 299.474965] fallback_alloc+0x204/0x2e0 [ 299.478948] ____cache_alloc_node+0x1c7/0x1e0 [ 299.483450] kmem_cache_alloc_node+0xe3/0x730 [ 299.487960] ? lockdep_hardirqs_on+0x296/0x5b0 [ 299.492564] __alloc_skb+0x119/0x770 [ 299.496277] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 299.501644] ? netdev_alloc_frag+0x1f0/0x1f0 [ 299.506061] ? vprintk_default+0x28/0x30 [ 299.510125] ? vprintk_func+0x85/0x181 [ 299.514013] ? printk+0xa7/0xcf [ 299.517296] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 299.522057] ? do_raw_spin_trylock+0x270/0x270 [ 299.526642] new_skb+0x26/0x1c0 [ 299.529934] aoecmd_cfg+0x279/0x7f0 [ 299.533565] ? find_held_lock+0x36/0x1c0 [ 299.537628] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 299.541962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.547513] ? __lock_is_held+0xb5/0x140 [ 299.551588] discover_timer+0x50/0x60 [ 299.555387] call_timer_fn+0x272/0x920 [ 299.559279] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 299.564123] ? process_timeout+0x40/0x40 [ 299.568191] ? mark_held_locks+0xc7/0x130 [ 299.572342] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.576835] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.581329] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 299.586197] ? lockdep_hardirqs_on+0x296/0x5b0 [ 299.590784] ? trace_hardirqs_on+0xbd/0x310 [ 299.595104] ? kasan_check_read+0x11/0x20 [ 299.599284] ? __run_timers+0x7da/0xc70 [ 299.603285] ? trace_hardirqs_off_caller+0x310/0x310 [ 299.608936] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 299.613780] __run_timers+0x7e5/0xc70 [ 299.617593] ? timer_fixup_init+0x70/0x70 [ 299.621742] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.626760] ? zap_class+0x640/0x640 [ 299.630489] ? print_usage_bug+0xc0/0xc0 [ 299.634570] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 299.639780] ? find_held_lock+0x36/0x1c0 [ 299.643846] ? zap_class+0x640/0x640 [ 299.647593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.653218] ? check_preemption_disabled+0x48/0x280 [ 299.658244] ? __lock_is_held+0xb5/0x140 [ 299.662324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.667862] ? check_preemption_disabled+0x48/0x280 [ 299.672915] run_timer_softirq+0x52/0xb0 [ 299.676997] ? rcu_read_lock_sched_held+0x14f/0x180 [ 299.682018] __do_softirq+0x308/0xb7e [ 299.685831] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 299.690324] ? lock_downgrade+0x900/0x900 [ 299.694499] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 299.699611] ? pvclock_read_flags+0x160/0x160 [ 299.704111] ? lapic_next_event+0x5a/0x90 [ 299.708263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.713815] ? kvm_clock_read+0x18/0x30 [ 299.717794] ? kvm_sched_clock_read+0x9/0x20 [ 299.722204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.727743] ? check_preemption_disabled+0x48/0x280 [ 299.732773] irq_exit+0x17f/0x1c0 [ 299.736229] smp_apic_timer_interrupt+0x1cb/0x760 [ 299.741072] ? smp_reschedule_interrupt+0x109/0x650 [ 299.746095] ? smp_call_function_single_interrupt+0x650/0x650 [ 299.751980] ? interrupt_entry+0xb5/0xc0 [ 299.756058] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.761071] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.766092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.770948] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.775965] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.780995] ? task_prio+0x50/0x50 [ 299.784549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.790144] ? check_preemption_disabled+0x48/0x280 [ 299.795169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.800019] apic_timer_interrupt+0xf/0x20 [ 299.804250] [ 299.806487] RIP: 0010:console_unlock+0x102f/0x1190 [ 299.811421] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 299.830326] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 299.838044] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 299.845315] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 299.852584] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 299.859850] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 299.867118] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 299.874390] ? netconsole_netdev_event+0x280/0x280 [ 299.879325] ? console_unlock+0x1026/0x1190 [ 299.883665] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 299.888380] ? lock_release+0xa00/0xa00 [ 299.892370] ? retint_kernel+0x2d/0x2d [ 299.896286] vprintk_emit+0x391/0x990 [ 299.900090] ? wake_up_klogd+0x180/0x180 [ 299.904164] ? match_held_lock+0x811/0x8d0 [ 299.908405] ? mark_held_locks+0xc7/0x130 [ 299.912566] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.917076] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.921589] vprintk_default+0x28/0x30 [ 299.925493] vprintk_func+0x7e/0x181 [ 299.929207] printk+0xa7/0xcf [ 299.932332] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 299.937088] ? _raw_spin_unlock_irq+0x60/0x80 [ 299.941596] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 299.946878] dump_header+0x7cc/0xf72 [ 299.950613] ? pagefault_out_of_memory+0x197/0x197 [ 299.955550] ? __lock_acquire+0x62f/0x4c20 [ 299.959788] ? percpu_ref_get_many+0x240/0x240 [ 299.964374] ? print_usage_bug+0xc0/0xc0 [ 299.968441] ? zap_class+0x640/0x640 [ 299.972160] ? print_usage_bug+0xc0/0xc0 [ 299.976220] ? zap_class+0x640/0x640 [ 299.979945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.985485] ? find_held_lock+0x36/0x1c0 [ 299.989576] ? mark_held_locks+0xc7/0x130 [ 299.993728] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 299.998860] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 300.003980] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 300.008580] ? trace_hardirqs_on+0xbd/0x310 [ 300.012908] ? kasan_check_read+0x11/0x20 [ 300.017064] ? ___ratelimit+0x3b4/0x672 [ 300.021039] ? trace_hardirqs_off_caller+0x310/0x310 [ 300.026146] ? trace_hardirqs_on+0x310/0x310 [ 300.030557] ? lock_downgrade+0x900/0x900 [ 300.034710] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 300.039813] ? ___ratelimit+0x3b9/0x672 [ 300.043789] ? idr_get_free+0xf70/0xf70 [ 300.047767] ? find_held_lock+0x36/0x1c0 [ 300.051837] oom_kill_process.cold.27+0x10/0x903 [ 300.056593] ? zap_class+0x640/0x640 [ 300.060317] ? check_preemption_disabled+0x48/0x280 [ 300.065340] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.070276] ? kasan_check_read+0x11/0x20 [ 300.074421] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.079705] ? oom_evaluate_task+0x540/0x540 [ 300.084131] ? find_held_lock+0x36/0x1c0 [ 300.088214] ? out_of_memory+0x974/0x1430 [ 300.092365] ? lock_downgrade+0x900/0x900 [ 300.096512] ? check_preemption_disabled+0x48/0x280 [ 300.101543] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.106485] ? kasan_check_read+0x11/0x20 [ 300.110646] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.115929] ? rcu_softirq_qs+0x20/0x20 [ 300.119924] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 300.125466] ? oom_evaluate_task+0x302/0x540 [ 300.129879] out_of_memory+0xa84/0x1430 [ 300.133874] ? oom_killer_disable+0x3a0/0x3a0 [ 300.138401] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 300.143341] ? __ww_mutex_check_waiters+0x160/0x160 [ 300.148374] __alloc_pages_slowpath+0x232c/0x2de0 [ 300.153245] ? warn_alloc+0x120/0x120 [ 300.157045] ? mark_held_locks+0x130/0x130 [ 300.161285] ? find_get_entry+0xaae/0x1120 [ 300.165530] ? filemap_map_pages+0x1a20/0x1a20 [ 300.170120] ? zap_class+0x640/0x640 [ 300.173841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.179381] ? check_preemption_disabled+0x48/0x280 [ 300.184407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.189952] ? should_fail+0x22d/0xd01 [ 300.193856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.198961] ? zap_class+0x640/0x640 [ 300.202704] ? __lock_is_held+0xb5/0x140 [ 300.206778] ? mark_held_locks+0x130/0x130 [ 300.211021] ? lock_release+0xa00/0xa00 [ 300.215008] ? perf_trace_sched_process_exec+0x860/0x860 [ 300.220467] ? xa_load+0x2ba/0x460 [ 300.224011] ? lock_downgrade+0x900/0x900 [ 300.228170] ? __might_sleep+0x95/0x190 [ 300.232149] __alloc_pages_nodemask+0xad8/0xea0 [ 300.236825] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 300.241842] ? __page_cache_alloc+0x191/0x5c0 [ 300.246334] ? xa_load+0x2e1/0x460 [ 300.249872] ? xa_clear_mark+0x40/0x40 [ 300.253773] ? zap_class+0x640/0x640 [ 300.257488] ? zap_class+0x640/0x640 [ 300.261211] ? zap_class+0x640/0x640 [ 300.264947] ? zap_class+0x640/0x640 [ 300.268662] ? __do_page_cache_readahead+0x663/0x810 [ 300.273774] ? find_held_lock+0x36/0x1c0 [ 300.277846] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 300.283390] alloc_pages_current+0x173/0x350 [ 300.287812] __page_cache_alloc+0x38c/0x5c0 [ 300.292134] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.297070] ? kasan_check_read+0x11/0x20 [ 300.301221] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.306499] ? generic_perform_write+0x6a0/0x6a0 [ 300.311259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.316798] ? check_preemption_disabled+0x48/0x280 [ 300.321830] filemap_fault+0x1595/0x25f0 [ 300.325930] ? __lock_page_or_retry+0xa00/0xa00 [ 300.330609] ? mark_held_locks+0x130/0x130 [ 300.334866] ? filemap_map_pages+0xd6b/0x1a20 [ 300.339368] ? lock_downgrade+0x900/0x900 [ 300.343514] ? check_preemption_disabled+0x48/0x280 [ 300.348531] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.353466] ? kasan_check_read+0x11/0x20 [ 300.357612] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.362920] ? rcu_softirq_qs+0x20/0x20 [ 300.366919] ? filemap_map_pages+0xd92/0x1a20 [ 300.371424] ? queue_work_on+0x12c/0x1e0 [ 300.375494] ? find_get_entries_tag+0x1400/0x1400 [ 300.380340] ? debug_object_destroy+0x2b0/0x2b0 [ 300.385013] ? lock_pi_update_atomic+0x150/0x150 [ 300.389766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.395341] ? lock_acquire+0x1ed/0x520 [ 300.399329] ? ext4_filemap_fault+0x7a/0xad [ 300.403659] ? lock_release+0xa00/0xa00 [ 300.407633] ? perf_trace_sched_process_exec+0x860/0x860 [ 300.413084] ? print_usage_bug+0xc0/0xc0 [ 300.417147] ? print_usage_bug+0xc0/0xc0 [ 300.421218] ? down_read+0x8d/0x120 [ 300.424841] ? ext4_filemap_fault+0x7a/0xad [ 300.429163] ? __down_interruptible+0x700/0x700 [ 300.433841] ext4_filemap_fault+0x82/0xad [ 300.437991] __do_fault+0x100/0x6b0 [ 300.441619] ? perf_tp_event+0xc20/0xc20 [ 300.445685] ? pmd_devmap_trans_unstable+0x220/0x220 [ 300.450791] ? mark_held_locks+0x130/0x130 [ 300.455031] ? mark_held_locks+0x130/0x130 [ 300.459272] ? debug_smp_processor_id+0x1c/0x20 [ 300.463942] ? perf_trace_lock+0x14d/0x7a0 [ 300.468187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.473735] __handle_mm_fault+0x3ea0/0x5be0 [ 300.478179] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 300.483024] ? lock_is_held_type+0x210/0x210 [ 300.487435] ? __switch_to_asm+0x34/0x70 [ 300.491497] ? __switch_to_asm+0x34/0x70 [ 300.495571] ? zap_class+0x640/0x640 [ 300.499286] ? zap_class+0x640/0x640 [ 300.503004] ? __x64_sys_futex+0x53e/0x6a0 [ 300.507247] ? find_held_lock+0x36/0x1c0 [ 300.511328] ? handle_mm_fault+0x42a/0xc70 [ 300.515578] ? lock_downgrade+0x900/0x900 [ 300.519728] ? check_preemption_disabled+0x48/0x280 [ 300.524747] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.529675] ? kasan_check_read+0x11/0x20 [ 300.533836] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.539126] ? rcu_softirq_qs+0x20/0x20 [ 300.543101] ? trace_hardirqs_off_caller+0x310/0x310 [ 300.548208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.553750] ? check_preemption_disabled+0x48/0x280 [ 300.558775] handle_mm_fault+0x54f/0xc70 [ 300.562844] ? __handle_mm_fault+0x5be0/0x5be0 [ 300.567435] ? find_vma+0x34/0x190 [ 300.570982] __do_page_fault+0x5e8/0xe60 [ 300.575044] ? trace_hardirqs_off+0xb8/0x310 [ 300.579464] do_page_fault+0xf2/0x7e0 [ 300.583268] ? vmalloc_sync_all+0x30/0x30 [ 300.587416] ? error_entry+0x70/0xd0 [ 300.591137] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.596154] ? trace_hardirqs_on_caller+0xc0/0x310 [ 300.601085] ? syscall_return_slowpath+0x5e0/0x5e0 [ 300.606018] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.610862] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.615876] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.621345] ? prepare_exit_to_usermode+0x291/0x3b0 [ 300.626362] ? page_fault+0x8/0x30 [ 300.629918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.634767] ? page_fault+0x8/0x30 [ 300.638312] page_fault+0x1e/0x30 [ 300.641767] RIP: 0033:0x45ddf3 [ 300.644975] Code: Bad RIP value. [ 300.648336] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 300.653696] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 300.660963] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 300.668227] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 300.675497] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 300.682764] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 300.690057] warn_alloc_show_mem: 1 callbacks suppressed [ 300.690069] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 300.690071] Mem-Info: [ 300.690102] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 300.690102] active_file:10 inactive_file:13 isolated_file:0 [ 300.690102] unevictable:0 dirty:0 writeback:0 unstable:0 [ 300.690102] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 300.690102] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 300.690102] free:13776 free_pcp:523 free_cma:0 [ 300.695446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.702464] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 300.704867] Call Trace: [ 300.738013] 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 [ 300.747357] [ 300.775010] lowmem_reserve[]: 0 2818 6321 6321 [ 300.777609] dump_stack+0x244/0x39d [ 300.803686] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 300.805831] ? dump_stack_print_info.cold.1+0x20/0x20 [ 300.810387] lowmem_reserve[]: 0 0 3503 3503 [ 300.814018] warn_alloc.cold.116+0xb7/0x1bd [ 300.841312] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 300.846504] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.850857] lowmem_reserve[]: 0 0 0 0 [ 300.855172] ? lock_downgrade+0x900/0x900 [ 300.884205] 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 [ 300.889052] ? trace_hardirqs_off+0xb8/0x310 [ 300.892821] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 300.896968] ? trace_hardirqs_off+0xb8/0x310 [ 300.910467] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 300.914871] __alloc_pages_slowpath+0x2651/0x2de0 [ 300.929943] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 300.934374] ? warn_alloc+0x120/0x120 [ 300.948727] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 300.953558] ? print_usage_bug+0xc0/0xc0 [ 300.962371] 1516 total pagecache pages [ 300.966168] ? warn_alloc+0x120/0x120 [ 300.974746] 0 pages in swap cache [ 300.978796] ? warn_alloc+0x120/0x120 [ 300.982662] Swap cache stats: add 0, delete 0, find 0/0 [ 300.986449] ? print_usage_bug+0xc0/0xc0 [ 300.986473] ? kvm_clock_read+0x18/0x30 [ 300.989918] Free swap = 0kB [ 300.993713] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 300.999052] Total swap = 0kB [ 301.003109] ? print_usage_bug+0xc0/0xc0 [ 301.007070] 1965979 pages RAM [ 301.010083] ? __lock_acquire+0x62f/0x4c20 [ 301.015075] 0 pages HighMem/MovableOnly [ 301.018090] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.022124] 342854 pages reserved [ 301.025224] ? should_fail+0x22d/0xd01 [ 301.029435] 0 pages cma reserved [ 301.033402] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.039001] aoe: skb alloc failure [ 301.042397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.046289] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.049621] ? __lock_acquire+0x62f/0x4c20 [ 301.054878] syz-fuzzer cpuset=/ mems_allowed=0 [ 301.058426] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.087690] ? __lock_acquire+0x62f/0x4c20 [ 301.091931] ? should_fail+0x22d/0xd01 [ 301.095821] ? rcu_irq_exit+0x1a2/0x390 [ 301.099805] ? mark_held_locks+0x130/0x130 [ 301.104050] ? mark_held_locks+0x130/0x130 [ 301.108291] ? mark_held_locks+0xc7/0x130 [ 301.112444] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 301.117464] ? zap_class+0x640/0x640 [ 301.121246] ? print_usage_bug+0xc0/0xc0 [ 301.125311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.130849] ? check_preemption_disabled+0x48/0x280 [ 301.135884] ? __lock_is_held+0xb5/0x140 [ 301.139959] __alloc_pages_nodemask+0xad8/0xea0 [ 301.144643] ? zap_class+0x640/0x640 [ 301.148365] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 301.153398] ? find_held_lock+0x36/0x1c0 [ 301.157472] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.162142] ? lock_downgrade+0x900/0x900 [ 301.166298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.171856] cache_grow_begin+0xa5/0x8c0 [ 301.175935] ? do_raw_spin_unlock+0xa7/0x330 [ 301.180355] fallback_alloc+0x204/0x2e0 [ 301.184335] ____cache_alloc_node+0x1c7/0x1e0 [ 301.188839] kmem_cache_alloc_node+0xe3/0x730 [ 301.193339] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.197599] __alloc_skb+0x119/0x770 [ 301.201311] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.206590] ? netdev_alloc_frag+0x1f0/0x1f0 [ 301.211001] ? lock_downgrade+0x900/0x900 [ 301.215159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.220696] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.226156] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.231607] ? addrconf_rs_timer+0x690/0x690 [ 301.236028] ndisc_alloc_skb+0x144/0x340 [ 301.240094] ndisc_send_rs+0x331/0x6e0 [ 301.243989] addrconf_rs_timer+0x314/0x690 [ 301.248232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.252481] call_timer_fn+0x272/0x920 [ 301.256369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.260608] ? process_timeout+0x40/0x40 [ 301.264694] ? mark_held_locks+0xc7/0x130 [ 301.268846] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.273338] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.277833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.282073] ? lockdep_hardirqs_on+0x296/0x5b0 [ 301.286661] ? trace_hardirqs_on+0xbd/0x310 [ 301.290983] ? kasan_check_read+0x11/0x20 [ 301.295143] ? __run_timers+0x7da/0xc70 [ 301.299117] ? trace_hardirqs_off_caller+0x310/0x310 [ 301.304257] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.308498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.312794] __run_timers+0x7e5/0xc70 [ 301.316628] ? timer_fixup_init+0x70/0x70 [ 301.320781] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 301.325802] ? zap_class+0x640/0x640 [ 301.329524] ? print_usage_bug+0xc0/0xc0 [ 301.333592] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 301.338787] ? find_held_lock+0x36/0x1c0 [ 301.342857] ? zap_class+0x640/0x640 [ 301.346601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.352140] ? check_preemption_disabled+0x48/0x280 [ 301.357167] ? __lock_is_held+0xb5/0x140 [ 301.361229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.366765] ? check_preemption_disabled+0x48/0x280 [ 301.371785] run_timer_softirq+0x52/0xb0 [ 301.375849] ? rcu_read_lock_sched_held+0x14f/0x180 [ 301.380874] __do_softirq+0x308/0xb7e [ 301.384685] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 301.389179] ? lock_downgrade+0x900/0x900 [ 301.393331] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 301.398446] ? pvclock_read_flags+0x160/0x160 [ 301.402962] ? lapic_next_event+0x5a/0x90 [ 301.407113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.412655] ? kvm_clock_read+0x18/0x30 [ 301.416632] ? kvm_sched_clock_read+0x9/0x20 [ 301.421041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.426595] ? check_preemption_disabled+0x48/0x280 [ 301.431639] irq_exit+0x17f/0x1c0 [ 301.435105] smp_apic_timer_interrupt+0x1cb/0x760 [ 301.439948] ? smp_reschedule_interrupt+0x109/0x650 [ 301.444972] ? smp_call_function_single_interrupt+0x650/0x650 [ 301.450858] ? interrupt_entry+0xb5/0xc0 [ 301.454940] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.459955] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.464986] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.469829] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.474843] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.479873] ? task_prio+0x50/0x50 [ 301.483429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.488974] ? check_preemption_disabled+0x48/0x280 [ 301.493999] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.498853] apic_timer_interrupt+0xf/0x20 [ 301.503084] [ 301.505325] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 301.510260] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 301.529157] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 301.536863] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 301.544132] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 301.551400] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 301.558680] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 301.565949] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 301.573248] rcu_read_lock_held+0xa9/0xc0 [ 301.577398] list_lru_count_one+0x31a/0x450 [ 301.581724] ? list_lru_isolate_move+0x3c0/0x3c0 [ 301.586487] ? deferred_split_count+0x65/0x170 [ 301.591097] ? shrink_huge_zero_page_count+0xc8/0x100 [ 301.596315] super_cache_count+0x153/0x2e0 [ 301.600598] do_shrink_slab+0x1b1/0xd30 [ 301.604622] ? lock_acquire+0x1ed/0x520 [ 301.608589] ? snapshot_refaults+0x290/0x290 [ 301.613004] ? lock_release+0xa00/0xa00 [ 301.616985] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 301.621931] ? down_read_trylock+0xda/0x140 [ 301.626251] ? shrink_slab+0x207/0x8c0 [ 301.630141] ? downgrade_write+0x270/0x270 [ 301.634385] shrink_slab+0x389/0x8c0 [ 301.638107] ? shrink_active_list+0x1f00/0x1f00 [ 301.642788] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 301.648426] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 301.653539] ? cgroup_procs_write_finish+0xf0/0xf0 [ 301.658476] ? find_held_lock+0x36/0x1c0 [ 301.662545] shrink_node+0x431/0x16b0 [ 301.666351] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 301.671680] ? shrink_node_memcg+0x18f0/0x18f0 [ 301.676283] ? kvm_clock_read+0x18/0x30 [ 301.680261] ? ktime_get+0x2c1/0x400 [ 301.684007] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 301.688538] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 301.694089] ? __cpuset_node_allowed+0x19b/0x660 [ 301.698852] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 301.704585] ? delayacct_end+0x5a/0x100 [ 301.708571] do_try_to_free_pages+0x3e7/0x1290 [ 301.713152] ? zap_class+0x640/0x640 [ 301.716890] ? shrink_node+0x16b0/0x16b0 [ 301.720968] ? __lock_is_held+0xb5/0x140 [ 301.725044] try_to_free_pages+0x4d0/0xb90 [ 301.729288] ? do_try_to_free_pages+0x1290/0x1290 [ 301.734144] ? lock_acquire+0x1ed/0x520 [ 301.738132] ? set_page_refcounted+0x280/0x280 [ 301.742723] ? lock_release+0xa00/0xa00 [ 301.746699] ? _raw_spin_unlock_irq+0x60/0x80 [ 301.751199] ? psi_memstall_enter+0x240/0x2b0 [ 301.755715] ? psi_memstall_tick+0x230/0x230 [ 301.760142] __alloc_pages_slowpath+0xa48/0x2de0 [ 301.764937] ? warn_alloc+0x120/0x120 [ 301.768754] ? mark_held_locks+0x130/0x130 [ 301.772995] ? find_get_entry+0xaae/0x1120 [ 301.777265] ? filemap_map_pages+0x1a20/0x1a20 [ 301.781887] ? zap_class+0x640/0x640 [ 301.785613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.791166] ? check_preemption_disabled+0x48/0x280 [ 301.796184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.801751] ? should_fail+0x22d/0xd01 [ 301.805660] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.810766] ? zap_class+0x640/0x640 [ 301.814507] ? __lock_is_held+0xb5/0x140 [ 301.818603] ? mark_held_locks+0x130/0x130 [ 301.822841] ? lock_release+0xa00/0xa00 [ 301.826816] ? perf_trace_sched_process_exec+0x860/0x860 [ 301.832266] ? xa_load+0x2ba/0x460 [ 301.835808] ? lock_downgrade+0x900/0x900 [ 301.839969] ? __might_sleep+0x95/0x190 [ 301.843953] __alloc_pages_nodemask+0xad8/0xea0 [ 301.848631] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 301.853651] ? __page_cache_alloc+0x191/0x5c0 [ 301.858143] ? xa_load+0x2e1/0x460 [ 301.861685] ? xa_clear_mark+0x40/0x40 [ 301.865573] ? zap_class+0x640/0x640 [ 301.869294] ? zap_class+0x640/0x640 [ 301.873010] ? zap_class+0x640/0x640 [ 301.876728] ? __do_page_cache_readahead+0x663/0x810 [ 301.881838] ? find_held_lock+0x36/0x1c0 [ 301.885917] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 301.891481] alloc_pages_current+0x173/0x350 [ 301.895897] __page_cache_alloc+0x38c/0x5c0 [ 301.900235] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 301.905172] ? kasan_check_read+0x11/0x20 [ 301.909330] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.914615] ? generic_perform_write+0x6a0/0x6a0 [ 301.919371] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.924918] ? check_preemption_disabled+0x48/0x280 [ 301.929944] filemap_fault+0x1595/0x25f0 [ 301.934018] ? __lock_page_or_retry+0xa00/0xa00 [ 301.938706] ? mark_held_locks+0x130/0x130 [ 301.942951] ? filemap_map_pages+0xd6b/0x1a20 [ 301.947454] ? lock_downgrade+0x900/0x900 [ 301.951618] ? check_preemption_disabled+0x48/0x280 [ 301.956636] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 301.961567] ? kasan_check_read+0x11/0x20 [ 301.965716] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.970996] ? rcu_softirq_qs+0x20/0x20 [ 301.974982] ? filemap_map_pages+0xd92/0x1a20 [ 301.979487] ? print_usage_bug+0xc0/0xc0 [ 301.983554] ? find_get_entries_tag+0x1400/0x1400 [ 301.988398] ? __kasan_slab_free+0x102/0x150 [ 301.992811] ? kasan_slab_free+0xe/0x10 [ 301.996783] ? kmem_cache_free+0x83/0x290 [ 302.000940] ? __sigqueue_free.part.29+0x74/0x90 [ 302.005714] ? lock_acquire+0x1ed/0x520 [ 302.009688] ? ext4_filemap_fault+0x7a/0xad [ 302.014021] ? lock_release+0xa00/0xa00 [ 302.017998] ? perf_trace_sched_process_exec+0x860/0x860 [ 302.023451] ? print_usage_bug+0xc0/0xc0 [ 302.027523] ? print_usage_bug+0xc0/0xc0 [ 302.031593] ? down_read+0x8d/0x120 [ 302.035217] ? ext4_filemap_fault+0x7a/0xad [ 302.039539] ? __down_interruptible+0x700/0x700 [ 302.044219] ext4_filemap_fault+0x82/0xad [ 302.048372] __do_fault+0x100/0x6b0 [ 302.052008] ? pmd_devmap_trans_unstable+0x220/0x220 [ 302.057113] ? mark_held_locks+0x130/0x130 [ 302.061366] ? mark_held_locks+0x130/0x130 [ 302.065614] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 302.071152] ? rcu_pm_notify+0xc0/0xc0 [ 302.075052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.080594] __handle_mm_fault+0x3ea0/0x5be0 [ 302.085012] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 302.089856] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.094352] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 302.098962] ? trace_hardirqs_on+0xbd/0x310 [ 302.103289] ? kasan_check_read+0x11/0x20 [ 302.107443] ? __set_current_blocked+0xdf/0x120 [ 302.112146] ? trace_hardirqs_off_caller+0x310/0x310 [ 302.117262] ? zap_class+0x640/0x640 [ 302.120979] ? zap_class+0x640/0x640 [ 302.124711] ? find_held_lock+0x36/0x1c0 [ 302.128784] ? handle_mm_fault+0x42a/0xc70 [ 302.133022] ? lock_downgrade+0x900/0x900 [ 302.137175] ? check_preemption_disabled+0x48/0x280 [ 302.142198] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 302.147128] ? kasan_check_read+0x11/0x20 [ 302.151277] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 302.156557] ? rcu_softirq_qs+0x20/0x20 [ 302.160534] ? trace_hardirqs_off_caller+0x310/0x310 [ 302.165661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.171207] ? check_preemption_disabled+0x48/0x280 [ 302.176248] handle_mm_fault+0x54f/0xc70 [ 302.180318] ? __handle_mm_fault+0x5be0/0x5be0 [ 302.184916] ? find_vma+0x34/0x190 [ 302.188469] __do_page_fault+0x5e8/0xe60 [ 302.192535] ? exit_to_usermode_loop+0x1f4/0x380 [ 302.197300] do_page_fault+0xf2/0x7e0 [ 302.201101] ? vmalloc_sync_all+0x30/0x30 [ 302.205258] ? error_entry+0x70/0xd0 [ 302.208977] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.214008] ? trace_hardirqs_on_caller+0xc0/0x310 [ 302.218936] ? syscall_return_slowpath+0x5e0/0x5e0 [ 302.223866] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.228751] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.233800] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.239258] ? prepare_exit_to_usermode+0x291/0x3b0 [ 302.244276] ? page_fault+0x8/0x30 [ 302.247832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.252678] ? page_fault+0x8/0x30 [ 302.256222] page_fault+0x1e/0x30 [ 302.259672] RIP: 0033:0x45db60 [ 302.262875] Code: Bad RIP value. [ 302.266245] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 302.271622] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 302.278924] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 302.286205] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 302.293470] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 302.300758] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 302.308061] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 302.308132] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 302.315079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.315087] Call Trace: [ 302.321668] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 302.330929] [ 302.333498] syz-fuzzer cpuset=/ mems_allowed=0 [ 302.343716] dump_stack+0x244/0x39d [ 302.354030] ? dump_stack_print_info.cold.1+0x20/0x20 [ 302.359234] warn_alloc.cold.116+0xb7/0x1bd [ 302.363569] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 302.368431] ? lock_downgrade+0x900/0x900 [ 302.372626] ? trace_hardirqs_off+0xb8/0x310 [ 302.377051] ? trace_hardirqs_off+0xb8/0x310 [ 302.381480] __alloc_pages_slowpath+0x2651/0x2de0 [ 302.386396] ? warn_alloc+0x120/0x120 [ 302.390213] ? warn_alloc+0x120/0x120 [ 302.394017] ? __lock_acquire+0x62f/0x4c20 [ 302.398256] ? warn_alloc+0x120/0x120 [ 302.402060] ? print_usage_bug+0xc0/0xc0 [ 302.406123] ? print_usage_bug+0xc0/0xc0 [ 302.410187] ? mark_held_locks+0x130/0x130 [ 302.414429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.419972] ? should_fail+0x22d/0xd01 [ 302.423858] ? zap_class+0x640/0x640 [ 302.427578] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.432685] ? __lock_acquire+0x62f/0x4c20 [ 302.436941] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.442050] ? should_fail+0x22d/0xd01 [ 302.445952] ? mark_held_locks+0x130/0x130 [ 302.450205] ? mark_held_locks+0x130/0x130 [ 302.454449] ? lock_downgrade+0x900/0x900 [ 302.458613] ? zap_class+0x640/0x640 [ 302.462327] ? zap_class+0x640/0x640 [ 302.466041] ? zap_class+0x640/0x640 [ 302.469752] ? do_raw_spin_unlock+0xa7/0x330 [ 302.474177] ? trace_hardirqs_on+0x310/0x310 [ 302.478583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.484132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.489671] ? check_preemption_disabled+0x48/0x280 [ 302.494693] ? __lock_is_held+0xb5/0x140 [ 302.498780] __alloc_pages_nodemask+0xad8/0xea0 [ 302.503449] ? zap_class+0x640/0x640 [ 302.507167] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 302.512196] ? find_held_lock+0x36/0x1c0 [ 302.516270] ? ____cache_alloc_node+0x1c7/0x1e0 [ 302.520959] ? lock_downgrade+0x900/0x900 [ 302.525115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.530657] cache_grow_begin+0xa5/0x8c0 [ 302.534717] ? do_raw_spin_unlock+0xa7/0x330 [ 302.539134] fallback_alloc+0x204/0x2e0 [ 302.543114] ____cache_alloc_node+0x1c7/0x1e0 [ 302.547616] kmem_cache_alloc_node+0xe3/0x730 [ 302.552117] ? lockdep_hardirqs_on+0x296/0x5b0 [ 302.556719] __alloc_skb+0x119/0x770 [ 302.560432] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 302.565804] ? netdev_alloc_frag+0x1f0/0x1f0 [ 302.570217] ? vprintk_default+0x28/0x30 [ 302.574280] ? vprintk_func+0x85/0x181 [ 302.578168] ? printk+0xa7/0xcf [ 302.581452] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 302.586220] ? do_raw_spin_trylock+0x270/0x270 [ 302.590805] new_skb+0x26/0x1c0 [ 302.594093] aoecmd_cfg+0x279/0x7f0 [ 302.597716] ? find_held_lock+0x36/0x1c0 [ 302.601793] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 302.606132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.611678] ? __lock_is_held+0xb5/0x140 [ 302.615753] discover_timer+0x50/0x60 [ 302.619567] call_timer_fn+0x272/0x920 [ 302.623479] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 302.628321] ? process_timeout+0x40/0x40 [ 302.632395] ? mark_held_locks+0xc7/0x130 [ 302.636546] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.641075] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.645569] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 302.650412] ? lockdep_hardirqs_on+0x296/0x5b0 [ 302.654997] ? trace_hardirqs_on+0xbd/0x310 [ 302.659328] ? kasan_check_read+0x11/0x20 [ 302.663475] ? __run_timers+0x7da/0xc70 [ 302.667452] ? trace_hardirqs_off_caller+0x310/0x310 [ 302.672574] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 302.677415] __run_timers+0x7e5/0xc70 [ 302.681235] ? timer_fixup_init+0x70/0x70 [ 302.685427] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.690449] ? zap_class+0x640/0x640 [ 302.694169] ? print_usage_bug+0xc0/0xc0 [ 302.698286] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 302.703504] ? find_held_lock+0x36/0x1c0 [ 302.707573] ? zap_class+0x640/0x640 [ 302.711292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.716833] ? check_preemption_disabled+0x48/0x280 [ 302.721860] ? __lock_is_held+0xb5/0x140 [ 302.725948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.731489] ? check_preemption_disabled+0x48/0x280 [ 302.736656] run_timer_softirq+0x52/0xb0 [ 302.740723] ? rcu_read_lock_sched_held+0x14f/0x180 [ 302.745751] __do_softirq+0x308/0xb7e [ 302.749570] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 302.754062] ? lock_downgrade+0x900/0x900 [ 302.758214] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 302.763325] ? pvclock_read_flags+0x160/0x160 [ 302.767843] ? lapic_next_event+0x5a/0x90 [ 302.771993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.777540] ? kvm_clock_read+0x18/0x30 [ 302.781513] ? kvm_sched_clock_read+0x9/0x20 [ 302.785931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.791474] ? check_preemption_disabled+0x48/0x280 [ 302.796503] irq_exit+0x17f/0x1c0 [ 302.799959] smp_apic_timer_interrupt+0x1cb/0x760 [ 302.804802] ? smp_reschedule_interrupt+0x109/0x650 [ 302.809826] ? smp_call_function_single_interrupt+0x650/0x650 [ 302.815718] ? interrupt_entry+0xb5/0xc0 [ 302.819783] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.824798] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.829821] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.834663] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.839679] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.844695] ? task_prio+0x50/0x50 [ 302.848240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.853800] ? check_preemption_disabled+0x48/0x280 [ 302.858831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.863709] apic_timer_interrupt+0xf/0x20 [ 302.867944] [ 302.870182] RIP: 0010:console_unlock+0x102f/0x1190 [ 302.875115] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 302.894086] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 302.901824] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 302.909095] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 302.916363] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 302.923631] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 302.930897] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 302.938192] ? netconsole_netdev_event+0x280/0x280 [ 302.943127] ? console_unlock+0x1026/0x1190 [ 302.947472] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 302.952162] ? lock_release+0xa00/0xa00 [ 302.956139] ? retint_kernel+0x2d/0x2d [ 302.960046] vprintk_emit+0x391/0x990 [ 302.963852] ? wake_up_klogd+0x180/0x180 [ 302.967932] ? match_held_lock+0x811/0x8d0 [ 302.972179] ? mark_held_locks+0xc7/0x130 [ 302.976330] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.980823] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.985327] vprintk_default+0x28/0x30 [ 302.989219] vprintk_func+0x7e/0x181 [ 302.992942] printk+0xa7/0xcf [ 302.996050] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 303.000811] ? _raw_spin_unlock_irq+0x60/0x80 [ 303.005322] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 303.010610] dump_header+0x7cc/0xf72 [ 303.014338] ? pagefault_out_of_memory+0x197/0x197 [ 303.019280] ? __lock_acquire+0x62f/0x4c20 [ 303.023516] ? percpu_ref_get_many+0x240/0x240 [ 303.028104] ? print_usage_bug+0xc0/0xc0 [ 303.032175] ? zap_class+0x640/0x640 [ 303.035896] ? print_usage_bug+0xc0/0xc0 [ 303.039987] ? zap_class+0x640/0x640 [ 303.043705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.049245] ? find_held_lock+0x36/0x1c0 [ 303.053319] ? mark_held_locks+0xc7/0x130 [ 303.057469] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 303.062569] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 303.067678] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 303.072261] ? trace_hardirqs_on+0xbd/0x310 [ 303.076586] ? kasan_check_read+0x11/0x20 [ 303.080733] ? ___ratelimit+0x3b4/0x672 [ 303.084711] ? trace_hardirqs_off_caller+0x310/0x310 [ 303.089815] ? trace_hardirqs_on+0x310/0x310 [ 303.094228] ? lock_downgrade+0x900/0x900 [ 303.098382] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 303.103487] ? ___ratelimit+0x3b9/0x672 [ 303.107464] ? idr_get_free+0xf70/0xf70 [ 303.111443] ? find_held_lock+0x36/0x1c0 [ 303.115518] oom_kill_process.cold.27+0x10/0x903 [ 303.120274] ? zap_class+0x640/0x640 [ 303.123992] ? check_preemption_disabled+0x48/0x280 [ 303.129013] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 303.133946] ? kasan_check_read+0x11/0x20 [ 303.138092] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.143370] ? oom_evaluate_task+0x540/0x540 [ 303.147782] ? find_held_lock+0x36/0x1c0 [ 303.151851] ? out_of_memory+0x974/0x1430 [ 303.156020] ? lock_downgrade+0x900/0x900 [ 303.160168] ? check_preemption_disabled+0x48/0x280 [ 303.165189] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 303.170120] ? kasan_check_read+0x11/0x20 [ 303.174266] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.179544] ? rcu_softirq_qs+0x20/0x20 [ 303.183522] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 303.189057] ? oom_evaluate_task+0x302/0x540 [ 303.193470] out_of_memory+0xa84/0x1430 [ 303.197455] ? oom_killer_disable+0x3a0/0x3a0 [ 303.201952] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 303.206887] ? __ww_mutex_check_waiters+0x160/0x160 [ 303.211937] __alloc_pages_slowpath+0x232c/0x2de0 [ 303.216811] ? warn_alloc+0x120/0x120 [ 303.220611] ? mark_held_locks+0x130/0x130 [ 303.224852] ? find_get_entry+0xaae/0x1120 [ 303.229102] ? filemap_map_pages+0x1a20/0x1a20 [ 303.233701] ? zap_class+0x640/0x640 [ 303.237448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.242987] ? check_preemption_disabled+0x48/0x280 [ 303.248008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.253547] ? should_fail+0x22d/0xd01 [ 303.257442] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.262557] ? zap_class+0x640/0x640 [ 303.266297] ? __lock_is_held+0xb5/0x140 [ 303.270370] ? mark_held_locks+0x130/0x130 [ 303.274610] ? lock_release+0xa00/0xa00 [ 303.278584] ? perf_trace_sched_process_exec+0x860/0x860 [ 303.284033] ? xa_load+0x2ba/0x460 [ 303.287576] ? lock_downgrade+0x900/0x900 [ 303.291730] ? __might_sleep+0x95/0x190 [ 303.295709] __alloc_pages_nodemask+0xad8/0xea0 [ 303.300384] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 303.305400] ? __page_cache_alloc+0x191/0x5c0 [ 303.309893] ? xa_load+0x2e1/0x460 [ 303.313453] ? xa_clear_mark+0x40/0x40 [ 303.317335] ? zap_class+0x640/0x640 [ 303.321049] ? zap_class+0x640/0x640 [ 303.324774] ? zap_class+0x640/0x640 [ 303.328488] ? zap_class+0x640/0x640 [ 303.332200] ? __do_page_cache_readahead+0x663/0x810 [ 303.337307] ? find_held_lock+0x36/0x1c0 [ 303.341371] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 303.346942] alloc_pages_current+0x173/0x350 [ 303.351368] __page_cache_alloc+0x38c/0x5c0 [ 303.355687] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 303.360660] ? kasan_check_read+0x11/0x20 [ 303.364809] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.370088] ? generic_perform_write+0x6a0/0x6a0 [ 303.374843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.380388] ? check_preemption_disabled+0x48/0x280 [ 303.385413] filemap_fault+0x1595/0x25f0 [ 303.389498] ? __lock_page_or_retry+0xa00/0xa00 [ 303.394172] ? mark_held_locks+0x130/0x130 [ 303.398416] ? filemap_map_pages+0xd6b/0x1a20 [ 303.402952] ? lock_downgrade+0x900/0x900 [ 303.407104] ? check_preemption_disabled+0x48/0x280 [ 303.412122] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 303.417052] ? kasan_check_read+0x11/0x20 [ 303.421201] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.426478] ? rcu_softirq_qs+0x20/0x20 [ 303.430466] ? filemap_map_pages+0xd92/0x1a20 [ 303.434970] ? queue_work_on+0x12c/0x1e0 [ 303.439055] ? find_get_entries_tag+0x1400/0x1400 [ 303.443925] ? debug_object_destroy+0x2b0/0x2b0 [ 303.448596] ? lock_pi_update_atomic+0x150/0x150 [ 303.453351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.458916] ? lock_acquire+0x1ed/0x520 [ 303.462893] ? ext4_filemap_fault+0x7a/0xad [ 303.467251] ? lock_release+0xa00/0xa00 [ 303.471225] ? perf_trace_sched_process_exec+0x860/0x860 [ 303.476677] ? print_usage_bug+0xc0/0xc0 [ 303.480750] ? print_usage_bug+0xc0/0xc0 [ 303.484829] ? down_read+0x8d/0x120 [ 303.488453] ? ext4_filemap_fault+0x7a/0xad [ 303.492773] ? __down_interruptible+0x700/0x700 [ 303.497448] ext4_filemap_fault+0x82/0xad [ 303.501601] __do_fault+0x100/0x6b0 [ 303.505231] ? perf_tp_event+0xc20/0xc20 [ 303.509295] ? pmd_devmap_trans_unstable+0x220/0x220 [ 303.514427] ? mark_held_locks+0x130/0x130 [ 303.518667] ? mark_held_locks+0x130/0x130 [ 303.522944] ? debug_smp_processor_id+0x1c/0x20 [ 303.527623] ? perf_trace_lock+0x14d/0x7a0 [ 303.531858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.537404] __handle_mm_fault+0x3ea0/0x5be0 [ 303.541836] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 303.546679] ? lock_is_held_type+0x210/0x210 [ 303.551098] ? __switch_to_asm+0x34/0x70 [ 303.555164] ? __switch_to_asm+0x34/0x70 [ 303.559238] ? zap_class+0x640/0x640 [ 303.562960] ? zap_class+0x640/0x640 [ 303.566676] ? __x64_sys_futex+0x53e/0x6a0 [ 303.570929] ? find_held_lock+0x36/0x1c0 [ 303.575000] ? handle_mm_fault+0x42a/0xc70 [ 303.579238] ? lock_downgrade+0x900/0x900 [ 303.583388] ? check_preemption_disabled+0x48/0x280 [ 303.588407] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 303.593343] ? kasan_check_read+0x11/0x20 [ 303.597491] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.602766] ? rcu_softirq_qs+0x20/0x20 [ 303.607241] ? trace_hardirqs_off_caller+0x310/0x310 [ 303.612349] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.617887] ? check_preemption_disabled+0x48/0x280 [ 303.622938] handle_mm_fault+0x54f/0xc70 [ 303.627010] ? __handle_mm_fault+0x5be0/0x5be0 [ 303.631603] ? find_vma+0x34/0x190 [ 303.635151] __do_page_fault+0x5e8/0xe60 [ 303.639211] ? trace_hardirqs_off+0xb8/0x310 [ 303.643634] do_page_fault+0xf2/0x7e0 [ 303.647435] ? vmalloc_sync_all+0x30/0x30 [ 303.651588] ? error_entry+0x70/0xd0 [ 303.655307] ? trace_hardirqs_off_caller+0xbb/0x310 [ 303.660322] ? trace_hardirqs_on_caller+0xc0/0x310 [ 303.665254] ? syscall_return_slowpath+0x5e0/0x5e0 [ 303.670182] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.675032] ? trace_hardirqs_on_caller+0x310/0x310 [ 303.680048] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.685507] ? prepare_exit_to_usermode+0x291/0x3b0 [ 303.690526] ? page_fault+0x8/0x30 [ 303.694071] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.698946] ? page_fault+0x8/0x30 [ 303.702503] page_fault+0x1e/0x30 [ 303.705954] RIP: 0033:0x45ddf3 [ 303.709164] Code: Bad RIP value. [ 303.712525] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 303.717935] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 303.725202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 303.732593] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 303.739861] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 303.747129] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 303.754416] warn_alloc_show_mem: 1 callbacks suppressed [ 303.754428] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 303.754430] Mem-Info: [ 303.754474] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 303.754474] active_file:10 inactive_file:13 isolated_file:0 [ 303.754474] unevictable:0 dirty:0 writeback:0 unstable:0 [ 303.754474] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 303.754474] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 303.754474] free:13776 free_pcp:523 free_cma:0 [ 303.759820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.766838] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 303.769235] Call Trace: [ 303.802286] 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 [ 303.811645] [ 303.839297] lowmem_reserve[]: 0 2818 6321 6321 [ 303.841884] dump_stack+0x244/0x39d [ 303.867972] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 303.870125] ? dump_stack_print_info.cold.1+0x20/0x20 [ 303.874680] lowmem_reserve[]: 0 0 3503 3503 [ 303.878322] warn_alloc.cold.116+0xb7/0x1bd [ 303.905614] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 303.910802] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.915099] lowmem_reserve[]: 0 0 0 0 [ 303.919420] ? lock_downgrade+0x900/0x900 [ 303.948450] 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 [ 303.953293] ? trace_hardirqs_off+0xb8/0x310 [ 303.957068] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 303.961214] ? trace_hardirqs_off+0xb8/0x310 [ 303.974710] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 303.980183] __alloc_pages_slowpath+0x2651/0x2de0 [ 303.995249] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 303.999667] ? warn_alloc+0x120/0x120 [ 304.014019] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 304.018848] ? print_usage_bug+0xc0/0xc0 [ 304.027656] 1516 total pagecache pages [ 304.031450] ? warn_alloc+0x120/0x120 [ 304.040015] 0 pages in swap cache [ 304.044060] ? warn_alloc+0x120/0x120 [ 304.047935] Swap cache stats: add 0, delete 0, find 0/0 [ 304.051728] ? print_usage_bug+0xc0/0xc0 [ 304.055157] Free swap = 0kB [ 304.058956] ? kvm_clock_read+0x18/0x30 [ 304.064291] Total swap = 0kB [ 304.068356] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 304.071347] 1965979 pages RAM [ 304.075321] ? print_usage_bug+0xc0/0xc0 [ 304.078316] 0 pages HighMem/MovableOnly [ 304.083325] ? __lock_acquire+0x62f/0x4c20 [ 304.086405] 342854 pages reserved [ 304.090462] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.094435] 0 pages cma reserved [ 304.098674] ? should_fail+0x22d/0xd01 [ 304.102160] aoe: skb alloc failure [ 304.107647] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 304.107666] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.107684] ? __lock_acquire+0x62f/0x4c20 [ 304.111071] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 304.114935] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.118455] syz-fuzzer cpuset=/ mems_allowed=0 [ 304.123727] ? __lock_acquire+0x62f/0x4c20 [ 304.157146] ? should_fail+0x22d/0xd01 [ 304.161041] ? rcu_irq_exit+0x1a2/0x390 [ 304.165030] ? mark_held_locks+0x130/0x130 [ 304.169268] ? mark_held_locks+0x130/0x130 [ 304.173519] ? mark_held_locks+0xc7/0x130 [ 304.177666] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 304.182685] ? zap_class+0x640/0x640 [ 304.186398] ? print_usage_bug+0xc0/0xc0 [ 304.190469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.196008] ? check_preemption_disabled+0x48/0x280 [ 304.201037] ? __lock_is_held+0xb5/0x140 [ 304.205109] __alloc_pages_nodemask+0xad8/0xea0 [ 304.209779] ? zap_class+0x640/0x640 [ 304.213502] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 304.218543] ? find_held_lock+0x36/0x1c0 [ 304.222615] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.227300] ? lock_downgrade+0x900/0x900 [ 304.231469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.237026] cache_grow_begin+0xa5/0x8c0 [ 304.241094] ? do_raw_spin_unlock+0xa7/0x330 [ 304.245514] fallback_alloc+0x204/0x2e0 [ 304.249492] ____cache_alloc_node+0x1c7/0x1e0 [ 304.253996] kmem_cache_alloc_node+0xe3/0x730 [ 304.258508] ? ipv6_get_ifaddr+0x42e/0x620 [ 304.262752] __alloc_skb+0x119/0x770 [ 304.266465] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 304.271746] ? netdev_alloc_frag+0x1f0/0x1f0 [ 304.276156] ? lock_downgrade+0x900/0x900 [ 304.280312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.285853] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.291311] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.296764] ? addrconf_rs_timer+0x690/0x690 [ 304.301217] ndisc_alloc_skb+0x144/0x340 [ 304.305294] ndisc_send_rs+0x331/0x6e0 [ 304.309189] addrconf_rs_timer+0x314/0x690 [ 304.313454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.317710] call_timer_fn+0x272/0x920 [ 304.321612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.325861] ? process_timeout+0x40/0x40 [ 304.329943] ? mark_held_locks+0xc7/0x130 [ 304.334094] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.338588] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.343080] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.347326] ? lockdep_hardirqs_on+0x296/0x5b0 [ 304.351916] ? trace_hardirqs_on+0xbd/0x310 [ 304.356268] ? kasan_check_read+0x11/0x20 [ 304.360445] ? __run_timers+0x7da/0xc70 [ 304.364425] ? trace_hardirqs_off_caller+0x310/0x310 [ 304.369532] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.373782] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.378015] __run_timers+0x7e5/0xc70 [ 304.381827] ? timer_fixup_init+0x70/0x70 [ 304.385989] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.391006] ? zap_class+0x640/0x640 [ 304.394723] ? print_usage_bug+0xc0/0xc0 [ 304.398787] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.403987] ? find_held_lock+0x36/0x1c0 [ 304.408055] ? zap_class+0x640/0x640 [ 304.411788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.417328] ? check_preemption_disabled+0x48/0x280 [ 304.422369] ? __lock_is_held+0xb5/0x140 [ 304.426449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.432002] ? check_preemption_disabled+0x48/0x280 [ 304.437025] run_timer_softirq+0x52/0xb0 [ 304.441093] ? rcu_read_lock_sched_held+0x14f/0x180 [ 304.446110] __do_softirq+0x308/0xb7e [ 304.449926] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 304.454426] ? lock_downgrade+0x900/0x900 [ 304.458580] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 304.463713] ? pvclock_read_flags+0x160/0x160 [ 304.468211] ? lapic_next_event+0x5a/0x90 [ 304.472364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.477915] ? kvm_clock_read+0x18/0x30 [ 304.481892] ? kvm_sched_clock_read+0x9/0x20 [ 304.486312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.491851] ? check_preemption_disabled+0x48/0x280 [ 304.496887] irq_exit+0x17f/0x1c0 [ 304.500354] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.505199] ? smp_reschedule_interrupt+0x109/0x650 [ 304.510216] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.516099] ? interrupt_entry+0xb5/0xc0 [ 304.520166] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.525201] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.530233] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.535076] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.540092] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.545110] ? task_prio+0x50/0x50 [ 304.548652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.554192] ? check_preemption_disabled+0x48/0x280 [ 304.559232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.564088] apic_timer_interrupt+0xf/0x20 [ 304.568321] [ 304.570572] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 304.575537] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 304.594443] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 304.602149] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 304.609446] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 304.616717] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 304.623999] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 304.631270] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 304.638567] rcu_read_lock_held+0xa9/0xc0 [ 304.642716] list_lru_count_one+0x31a/0x450 [ 304.647040] ? list_lru_isolate_move+0x3c0/0x3c0 [ 304.651812] ? deferred_split_count+0x65/0x170 [ 304.656400] ? shrink_huge_zero_page_count+0xc8/0x100 [ 304.661601] super_cache_count+0x153/0x2e0 [ 304.665842] do_shrink_slab+0x1b1/0xd30 [ 304.669828] ? lock_acquire+0x1ed/0x520 [ 304.673812] ? snapshot_refaults+0x290/0x290 [ 304.678225] ? lock_release+0xa00/0xa00 [ 304.682207] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 304.687147] ? down_read_trylock+0xda/0x140 [ 304.691470] ? shrink_slab+0x207/0x8c0 [ 304.695361] ? downgrade_write+0x270/0x270 [ 304.699605] shrink_slab+0x389/0x8c0 [ 304.703317] ? shrink_active_list+0x1f00/0x1f00 [ 304.707993] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 304.713635] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 304.718755] ? cgroup_procs_write_finish+0xf0/0xf0 [ 304.723707] ? find_held_lock+0x36/0x1c0 [ 304.727776] shrink_node+0x431/0x16b0 [ 304.731583] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 304.737369] ? shrink_node_memcg+0x18f0/0x18f0 [ 304.741963] ? kvm_clock_read+0x18/0x30 [ 304.745945] ? ktime_get+0x2c1/0x400 [ 304.749673] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 304.754191] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 304.759732] ? __cpuset_node_allowed+0x19b/0x660 [ 304.764492] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 304.770207] ? delayacct_end+0x5a/0x100 [ 304.774191] do_try_to_free_pages+0x3e7/0x1290 [ 304.778771] ? zap_class+0x640/0x640 [ 304.782500] ? shrink_node+0x16b0/0x16b0 [ 304.786577] ? __lock_is_held+0xb5/0x140 [ 304.790666] try_to_free_pages+0x4d0/0xb90 [ 304.794925] ? do_try_to_free_pages+0x1290/0x1290 [ 304.799779] ? lock_acquire+0x1ed/0x520 [ 304.803757] ? set_page_refcounted+0x280/0x280 [ 304.808348] ? lock_release+0xa00/0xa00 [ 304.812328] ? _raw_spin_unlock_irq+0x60/0x80 [ 304.816831] ? psi_memstall_enter+0x240/0x2b0 [ 304.821328] ? psi_memstall_tick+0x230/0x230 [ 304.825748] __alloc_pages_slowpath+0xa48/0x2de0 [ 304.830536] ? warn_alloc+0x120/0x120 [ 304.834337] ? mark_held_locks+0x130/0x130 [ 304.838582] ? find_get_entry+0xaae/0x1120 [ 304.842941] ? filemap_map_pages+0x1a20/0x1a20 [ 304.847546] ? zap_class+0x640/0x640 [ 304.851265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.856818] ? check_preemption_disabled+0x48/0x280 [ 304.861846] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.867381] ? should_fail+0x22d/0xd01 [ 304.871318] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.876438] ? zap_class+0x640/0x640 [ 304.880180] ? __lock_is_held+0xb5/0x140 [ 304.884250] ? mark_held_locks+0x130/0x130 [ 304.888486] ? lock_release+0xa00/0xa00 [ 304.892462] ? perf_trace_sched_process_exec+0x860/0x860 [ 304.897919] ? xa_load+0x2ba/0x460 [ 304.901463] ? lock_downgrade+0x900/0x900 [ 304.905620] ? __might_sleep+0x95/0x190 [ 304.909604] __alloc_pages_nodemask+0xad8/0xea0 [ 304.914280] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 304.919320] ? __page_cache_alloc+0x191/0x5c0 [ 304.923823] ? xa_load+0x2e1/0x460 [ 304.927371] ? xa_clear_mark+0x40/0x40 [ 304.931268] ? zap_class+0x640/0x640 [ 304.934994] ? zap_class+0x640/0x640 [ 304.938723] ? zap_class+0x640/0x640 [ 304.942440] ? __do_page_cache_readahead+0x663/0x810 [ 304.947548] ? find_held_lock+0x36/0x1c0 [ 304.951613] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 304.957164] alloc_pages_current+0x173/0x350 [ 304.961579] __page_cache_alloc+0x38c/0x5c0 [ 304.965899] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 304.970839] ? kasan_check_read+0x11/0x20 [ 304.974989] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 304.980268] ? generic_perform_write+0x6a0/0x6a0 [ 304.985030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.990569] ? check_preemption_disabled+0x48/0x280 [ 304.995593] filemap_fault+0x1595/0x25f0 [ 304.999692] ? __lock_page_or_retry+0xa00/0xa00 [ 305.004369] ? mark_held_locks+0x130/0x130 [ 305.008630] ? filemap_map_pages+0xd6b/0x1a20 [ 305.013160] ? lock_downgrade+0x900/0x900 [ 305.017310] ? check_preemption_disabled+0x48/0x280 [ 305.022328] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 305.027259] ? kasan_check_read+0x11/0x20 [ 305.031405] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 305.036687] ? rcu_softirq_qs+0x20/0x20 [ 305.040673] ? filemap_map_pages+0xd92/0x1a20 [ 305.045174] ? print_usage_bug+0xc0/0xc0 [ 305.049244] ? find_get_entries_tag+0x1400/0x1400 [ 305.054088] ? __kasan_slab_free+0x102/0x150 [ 305.058499] ? kasan_slab_free+0xe/0x10 [ 305.062471] ? kmem_cache_free+0x83/0x290 [ 305.066618] ? __sigqueue_free.part.29+0x74/0x90 [ 305.071390] ? lock_acquire+0x1ed/0x520 [ 305.075371] ? ext4_filemap_fault+0x7a/0xad [ 305.079700] ? lock_release+0xa00/0xa00 [ 305.083672] ? perf_trace_sched_process_exec+0x860/0x860 [ 305.089127] ? print_usage_bug+0xc0/0xc0 [ 305.093190] ? print_usage_bug+0xc0/0xc0 [ 305.097261] ? down_read+0x8d/0x120 [ 305.100891] ? ext4_filemap_fault+0x7a/0xad [ 305.105221] ? __down_interruptible+0x700/0x700 [ 305.109913] ext4_filemap_fault+0x82/0xad [ 305.114065] __do_fault+0x100/0x6b0 [ 305.117698] ? pmd_devmap_trans_unstable+0x220/0x220 [ 305.122807] ? mark_held_locks+0x130/0x130 [ 305.127047] ? mark_held_locks+0x130/0x130 [ 305.131288] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 305.136841] ? rcu_pm_notify+0xc0/0xc0 [ 305.140752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.146299] __handle_mm_fault+0x3ea0/0x5be0 [ 305.150733] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 305.155597] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.160097] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 305.164684] ? trace_hardirqs_on+0xbd/0x310 [ 305.169005] ? kasan_check_read+0x11/0x20 [ 305.173153] ? __set_current_blocked+0xdf/0x120 [ 305.177822] ? trace_hardirqs_off_caller+0x310/0x310 [ 305.182942] ? zap_class+0x640/0x640 [ 305.186666] ? zap_class+0x640/0x640 [ 305.190386] ? find_held_lock+0x36/0x1c0 [ 305.194491] ? handle_mm_fault+0x42a/0xc70 [ 305.198742] ? lock_downgrade+0x900/0x900 [ 305.202914] ? check_preemption_disabled+0x48/0x280 [ 305.207944] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 305.212872] ? kasan_check_read+0x11/0x20 [ 305.217023] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 305.222298] ? rcu_softirq_qs+0x20/0x20 [ 305.226272] ? trace_hardirqs_off_caller+0x310/0x310 [ 305.231378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.236954] ? check_preemption_disabled+0x48/0x280 [ 305.241979] handle_mm_fault+0x54f/0xc70 [ 305.246045] ? __handle_mm_fault+0x5be0/0x5be0 [ 305.250673] ? find_vma+0x34/0x190 [ 305.254246] __do_page_fault+0x5e8/0xe60 [ 305.258309] ? exit_to_usermode_loop+0x1f4/0x380 [ 305.263090] do_page_fault+0xf2/0x7e0 [ 305.266921] ? vmalloc_sync_all+0x30/0x30 [ 305.271075] ? error_entry+0x70/0xd0 [ 305.274793] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.279812] ? trace_hardirqs_on_caller+0xc0/0x310 [ 305.284745] ? syscall_return_slowpath+0x5e0/0x5e0 [ 305.289679] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.294528] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.299566] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.305038] ? prepare_exit_to_usermode+0x291/0x3b0 [ 305.310056] ? page_fault+0x8/0x30 [ 305.313600] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.318480] ? page_fault+0x8/0x30 [ 305.322059] page_fault+0x1e/0x30 [ 305.325510] RIP: 0033:0x45db60 [ 305.328717] Code: Bad RIP value. [ 305.332077] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 305.337444] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 305.344709] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 305.352008] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 305.359274] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 305.366540] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 305.373831] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 305.373900] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.380853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.380858] Call Trace: [ 305.380865] [ 305.380884] dump_stack+0x244/0x39d [ 305.380918] ? dump_stack_print_info.cold.1+0x20/0x20 [ 305.387484] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.396748] warn_alloc.cold.116+0xb7/0x1bd [ 305.399309] syz-fuzzer cpuset=/ mems_allowed=0 [ 305.401456] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.434149] ? lock_downgrade+0x900/0x900 [ 305.438308] ? trace_hardirqs_off+0xb8/0x310 [ 305.442723] ? trace_hardirqs_off+0xb8/0x310 [ 305.447142] __alloc_pages_slowpath+0x2651/0x2de0 [ 305.452015] ? warn_alloc+0x120/0x120 [ 305.455827] ? warn_alloc+0x120/0x120 [ 305.459632] ? __lock_acquire+0x62f/0x4c20 [ 305.463869] ? warn_alloc+0x120/0x120 [ 305.467687] ? print_usage_bug+0xc0/0xc0 [ 305.471751] ? print_usage_bug+0xc0/0xc0 [ 305.475818] ? mark_held_locks+0x130/0x130 [ 305.480121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.485681] ? should_fail+0x22d/0xd01 [ 305.489566] ? zap_class+0x640/0x640 [ 305.493286] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.498394] ? __lock_acquire+0x62f/0x4c20 [ 305.502637] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.507747] ? should_fail+0x22d/0xd01 [ 305.511662] ? mark_held_locks+0x130/0x130 [ 305.515920] ? mark_held_locks+0x130/0x130 [ 305.520165] ? lock_downgrade+0x900/0x900 [ 305.524323] ? zap_class+0x640/0x640 [ 305.528039] ? zap_class+0x640/0x640 [ 305.531755] ? zap_class+0x640/0x640 [ 305.535476] ? do_raw_spin_unlock+0xa7/0x330 [ 305.539886] ? trace_hardirqs_on+0x310/0x310 [ 305.544308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.549848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.555386] ? check_preemption_disabled+0x48/0x280 [ 305.560414] ? __lock_is_held+0xb5/0x140 [ 305.564484] __alloc_pages_nodemask+0xad8/0xea0 [ 305.569158] ? zap_class+0x640/0x640 [ 305.572887] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 305.577940] ? find_held_lock+0x36/0x1c0 [ 305.582018] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.586690] ? lock_downgrade+0x900/0x900 [ 305.590852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.596394] cache_grow_begin+0xa5/0x8c0 [ 305.600456] ? do_raw_spin_unlock+0xa7/0x330 [ 305.605343] fallback_alloc+0x204/0x2e0 [ 305.609324] ____cache_alloc_node+0x1c7/0x1e0 [ 305.613830] kmem_cache_alloc_node+0xe3/0x730 [ 305.618338] ? lockdep_hardirqs_on+0x296/0x5b0 [ 305.622940] __alloc_skb+0x119/0x770 [ 305.626658] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 305.632033] ? netdev_alloc_frag+0x1f0/0x1f0 [ 305.636468] ? vprintk_default+0x28/0x30 [ 305.640573] ? vprintk_func+0x85/0x181 [ 305.644466] ? printk+0xa7/0xcf [ 305.647744] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 305.652499] ? do_raw_spin_trylock+0x270/0x270 [ 305.657096] new_skb+0x26/0x1c0 [ 305.660392] aoecmd_cfg+0x279/0x7f0 [ 305.664039] ? find_held_lock+0x36/0x1c0 [ 305.668118] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 305.672447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.677998] ? __lock_is_held+0xb5/0x140 [ 305.682069] discover_timer+0x50/0x60 [ 305.685871] call_timer_fn+0x272/0x920 [ 305.689773] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 305.694616] ? process_timeout+0x40/0x40 [ 305.698687] ? mark_held_locks+0xc7/0x130 [ 305.702863] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.707370] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.711876] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 305.716726] ? lockdep_hardirqs_on+0x296/0x5b0 [ 305.721310] ? trace_hardirqs_on+0xbd/0x310 [ 305.725633] ? kasan_check_read+0x11/0x20 [ 305.729783] ? __run_timers+0x7da/0xc70 [ 305.733831] ? trace_hardirqs_off_caller+0x310/0x310 [ 305.738968] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 305.743815] __run_timers+0x7e5/0xc70 [ 305.747630] ? timer_fixup_init+0x70/0x70 [ 305.751782] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 305.756806] ? zap_class+0x640/0x640 [ 305.760524] ? print_usage_bug+0xc0/0xc0 [ 305.764592] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 305.769791] ? find_held_lock+0x36/0x1c0 [ 305.773878] ? zap_class+0x640/0x640 [ 305.777603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.783147] ? check_preemption_disabled+0x48/0x280 [ 305.788192] ? __lock_is_held+0xb5/0x140 [ 305.792288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.797852] ? check_preemption_disabled+0x48/0x280 [ 305.802870] run_timer_softirq+0x52/0xb0 [ 305.806940] ? rcu_read_lock_sched_held+0x14f/0x180 [ 305.811969] __do_softirq+0x308/0xb7e [ 305.815775] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 305.820267] ? lock_downgrade+0x900/0x900 [ 305.824435] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 305.829581] ? pvclock_read_flags+0x160/0x160 [ 305.834081] ? lapic_next_event+0x5a/0x90 [ 305.838231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.843776] ? kvm_clock_read+0x18/0x30 [ 305.847749] ? kvm_sched_clock_read+0x9/0x20 [ 305.852158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.857695] ? check_preemption_disabled+0x48/0x280 [ 305.862720] irq_exit+0x17f/0x1c0 [ 305.866175] smp_apic_timer_interrupt+0x1cb/0x760 [ 305.871022] ? smp_reschedule_interrupt+0x109/0x650 [ 305.876070] ? smp_call_function_single_interrupt+0x650/0x650 [ 305.881973] ? interrupt_entry+0xb5/0xc0 [ 305.886034] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.891049] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.896081] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.900937] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.905953] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.910969] ? task_prio+0x50/0x50 [ 305.914512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.920049] ? check_preemption_disabled+0x48/0x280 [ 305.925070] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.929944] apic_timer_interrupt+0xf/0x20 [ 305.934172] [ 305.936408] RIP: 0010:console_unlock+0x102f/0x1190 [ 305.941335] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 305.960237] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 305.967942] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 305.975207] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 305.982477] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 305.989759] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 305.997024] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 306.004307] ? netconsole_netdev_event+0x280/0x280 [ 306.009297] ? console_unlock+0x1026/0x1190 [ 306.013672] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 306.018343] ? lock_release+0xa00/0xa00 [ 306.022320] ? retint_kernel+0x2d/0x2d [ 306.026226] vprintk_emit+0x391/0x990 [ 306.030031] ? wake_up_klogd+0x180/0x180 [ 306.034099] ? match_held_lock+0x811/0x8d0 [ 306.038348] ? mark_held_locks+0xc7/0x130 [ 306.042500] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.046999] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.051504] vprintk_default+0x28/0x30 [ 306.055392] vprintk_func+0x7e/0x181 [ 306.059108] printk+0xa7/0xcf [ 306.062217] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 306.066977] ? _raw_spin_unlock_irq+0x60/0x80 [ 306.071485] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 306.076768] dump_header+0x7cc/0xf72 [ 306.080493] ? pagefault_out_of_memory+0x197/0x197 [ 306.085428] ? __lock_acquire+0x62f/0x4c20 [ 306.089668] ? percpu_ref_get_many+0x240/0x240 [ 306.094268] ? print_usage_bug+0xc0/0xc0 [ 306.098337] ? zap_class+0x640/0x640 [ 306.102052] ? print_usage_bug+0xc0/0xc0 [ 306.106119] ? zap_class+0x640/0x640 [ 306.109837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.115379] ? find_held_lock+0x36/0x1c0 [ 306.119448] ? mark_held_locks+0xc7/0x130 [ 306.123598] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 306.128702] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 306.133806] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 306.138390] ? trace_hardirqs_on+0xbd/0x310 [ 306.142711] ? kasan_check_read+0x11/0x20 [ 306.146869] ? ___ratelimit+0x3b4/0x672 [ 306.150854] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.155959] ? trace_hardirqs_on+0x310/0x310 [ 306.160368] ? lock_downgrade+0x900/0x900 [ 306.164523] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 306.169626] ? ___ratelimit+0x3b9/0x672 [ 306.173602] ? idr_get_free+0xf70/0xf70 [ 306.177576] ? find_held_lock+0x36/0x1c0 [ 306.181645] oom_kill_process.cold.27+0x10/0x903 [ 306.186401] ? zap_class+0x640/0x640 [ 306.190117] ? check_preemption_disabled+0x48/0x280 [ 306.195136] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.200067] ? kasan_check_read+0x11/0x20 [ 306.204212] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.209489] ? oom_evaluate_task+0x540/0x540 [ 306.213912] ? find_held_lock+0x36/0x1c0 [ 306.217988] ? out_of_memory+0x974/0x1430 [ 306.222136] ? lock_downgrade+0x900/0x900 [ 306.226285] ? check_preemption_disabled+0x48/0x280 [ 306.231314] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.236244] ? kasan_check_read+0x11/0x20 [ 306.240430] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.245759] ? rcu_softirq_qs+0x20/0x20 [ 306.249742] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 306.255277] ? oom_evaluate_task+0x302/0x540 [ 306.259690] out_of_memory+0xa84/0x1430 [ 306.263672] ? oom_killer_disable+0x3a0/0x3a0 [ 306.268175] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 306.273107] ? __ww_mutex_check_waiters+0x160/0x160 [ 306.278139] __alloc_pages_slowpath+0x232c/0x2de0 [ 306.283012] ? warn_alloc+0x120/0x120 [ 306.286809] ? mark_held_locks+0x130/0x130 [ 306.291052] ? find_get_entry+0xaae/0x1120 [ 306.295295] ? filemap_map_pages+0x1a20/0x1a20 [ 306.299883] ? zap_class+0x640/0x640 [ 306.303632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.309171] ? check_preemption_disabled+0x48/0x280 [ 306.314199] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.319738] ? should_fail+0x22d/0xd01 [ 306.323648] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.328755] ? zap_class+0x640/0x640 [ 306.332494] ? __lock_is_held+0xb5/0x140 [ 306.336565] ? mark_held_locks+0x130/0x130 [ 306.340821] ? lock_release+0xa00/0xa00 [ 306.344795] ? perf_trace_sched_process_exec+0x860/0x860 [ 306.350250] ? xa_load+0x2ba/0x460 [ 306.353791] ? lock_downgrade+0x900/0x900 [ 306.357951] ? __might_sleep+0x95/0x190 [ 306.361945] __alloc_pages_nodemask+0xad8/0xea0 [ 306.366627] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 306.371661] ? __page_cache_alloc+0x191/0x5c0 [ 306.376152] ? xa_load+0x2e1/0x460 [ 306.379700] ? xa_clear_mark+0x40/0x40 [ 306.383584] ? zap_class+0x640/0x640 [ 306.387300] ? zap_class+0x640/0x640 [ 306.391023] ? zap_class+0x640/0x640 [ 306.394736] ? zap_class+0x640/0x640 [ 306.398450] ? __do_page_cache_readahead+0x663/0x810 [ 306.403559] ? find_held_lock+0x36/0x1c0 [ 306.407629] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 306.413186] alloc_pages_current+0x173/0x350 [ 306.417610] __page_cache_alloc+0x38c/0x5c0 [ 306.421950] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.426877] ? kasan_check_read+0x11/0x20 [ 306.431051] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.436373] ? generic_perform_write+0x6a0/0x6a0 [ 306.441129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.446668] ? check_preemption_disabled+0x48/0x280 [ 306.451693] filemap_fault+0x1595/0x25f0 [ 306.455765] ? __lock_page_or_retry+0xa00/0xa00 [ 306.460437] ? mark_held_locks+0x130/0x130 [ 306.464695] ? filemap_map_pages+0xd6b/0x1a20 [ 306.469195] ? lock_downgrade+0x900/0x900 [ 306.473343] ? check_preemption_disabled+0x48/0x280 [ 306.478361] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.483294] ? kasan_check_read+0x11/0x20 [ 306.487441] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.492715] ? rcu_softirq_qs+0x20/0x20 [ 306.496701] ? filemap_map_pages+0xd92/0x1a20 [ 306.501198] ? queue_work_on+0x12c/0x1e0 [ 306.505269] ? find_get_entries_tag+0x1400/0x1400 [ 306.510120] ? debug_object_destroy+0x2b0/0x2b0 [ 306.514798] ? lock_pi_update_atomic+0x150/0x150 [ 306.519575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.525131] ? lock_acquire+0x1ed/0x520 [ 306.529112] ? ext4_filemap_fault+0x7a/0xad [ 306.533450] ? lock_release+0xa00/0xa00 [ 306.537426] ? perf_trace_sched_process_exec+0x860/0x860 [ 306.542882] ? print_usage_bug+0xc0/0xc0 [ 306.546957] ? print_usage_bug+0xc0/0xc0 [ 306.551040] ? down_read+0x8d/0x120 [ 306.554663] ? ext4_filemap_fault+0x7a/0xad [ 306.558983] ? __down_interruptible+0x700/0x700 [ 306.563671] ext4_filemap_fault+0x82/0xad [ 306.567821] __do_fault+0x100/0x6b0 [ 306.571448] ? perf_tp_event+0xc20/0xc20 [ 306.575513] ? pmd_devmap_trans_unstable+0x220/0x220 [ 306.580622] ? mark_held_locks+0x130/0x130 [ 306.584857] ? mark_held_locks+0x130/0x130 [ 306.589096] ? debug_smp_processor_id+0x1c/0x20 [ 306.593766] ? perf_trace_lock+0x14d/0x7a0 [ 306.598008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.603551] __handle_mm_fault+0x3ea0/0x5be0 [ 306.607979] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 306.612825] ? lock_is_held_type+0x210/0x210 [ 306.617237] ? __switch_to_asm+0x34/0x70 [ 306.621299] ? __switch_to_asm+0x34/0x70 [ 306.625374] ? zap_class+0x640/0x640 [ 306.629087] ? zap_class+0x640/0x640 [ 306.632798] ? __x64_sys_futex+0x53e/0x6a0 [ 306.637036] ? find_held_lock+0x36/0x1c0 [ 306.641107] ? handle_mm_fault+0x42a/0xc70 [ 306.645349] ? lock_downgrade+0x900/0x900 [ 306.649498] ? check_preemption_disabled+0x48/0x280 [ 306.654526] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.659455] ? kasan_check_read+0x11/0x20 [ 306.663602] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.668879] ? rcu_softirq_qs+0x20/0x20 [ 306.672887] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.678259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.683802] ? check_preemption_disabled+0x48/0x280 [ 306.688831] handle_mm_fault+0x54f/0xc70 [ 306.692897] ? __handle_mm_fault+0x5be0/0x5be0 [ 306.697500] ? find_vma+0x34/0x190 [ 306.701075] __do_page_fault+0x5e8/0xe60 [ 306.705135] ? trace_hardirqs_off+0xb8/0x310 [ 306.709580] do_page_fault+0xf2/0x7e0 [ 306.713387] ? vmalloc_sync_all+0x30/0x30 [ 306.717535] ? error_entry+0x70/0xd0 [ 306.721250] ? trace_hardirqs_off_caller+0xbb/0x310 [ 306.726266] ? trace_hardirqs_on_caller+0xc0/0x310 [ 306.731196] ? syscall_return_slowpath+0x5e0/0x5e0 [ 306.736140] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.741112] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.746133] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.751605] ? prepare_exit_to_usermode+0x291/0x3b0 [ 306.756622] ? page_fault+0x8/0x30 [ 306.760170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.765020] ? page_fault+0x8/0x30 [ 306.768568] page_fault+0x1e/0x30 [ 306.772048] RIP: 0033:0x45ddf3 [ 306.775260] Code: Bad RIP value. [ 306.778619] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 306.783980] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 306.791254] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 306.798520] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 306.805800] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 306.813125] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 306.820414] warn_alloc_show_mem: 1 callbacks suppressed [ 306.820419] Mem-Info: [ 306.820431] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 306.820442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.825824] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 306.825824] active_file:10 inactive_file:13 isolated_file:0 [ 306.825824] unevictable:0 dirty:0 writeback:0 unstable:0 [ 306.825824] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 306.825824] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 306.825824] free:13776 free_pcp:523 free_cma:0 [ 306.828213] Call Trace: [ 306.835231] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 306.844583] [ 306.877630] 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 [ 306.880212] dump_stack+0x244/0x39d [ 306.907851] lowmem_reserve[]: 0 2818 6321 6321 [ 306.910003] ? dump_stack_print_info.cold.1+0x20/0x20 [ 306.936100] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 306.939734] warn_alloc.cold.116+0xb7/0x1bd [ 306.944286] lowmem_reserve[]: 0 0 3503 3503 [ 306.949470] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.976779] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 306.981096] ? lock_downgrade+0x900/0x900 [ 306.985389] lowmem_reserve[]: 0 0 0 0 [ 306.990235] ? trace_hardirqs_off+0xb8/0x310 [ 307.019270] 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 [ 307.023424] ? trace_hardirqs_off+0xb8/0x310 [ 307.027197] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 307.031615] __alloc_pages_slowpath+0x2651/0x2de0 [ 307.045113] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 307.049538] ? warn_alloc+0x120/0x120 [ 307.064586] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 307.069425] ? print_usage_bug+0xc0/0xc0 [ 307.083796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 307.087583] ? warn_alloc+0x120/0x120 [ 307.096393] 1516 total pagecache pages [ 307.100465] ? warn_alloc+0x120/0x120 [ 307.109021] 0 pages in swap cache [ 307.112804] ? print_usage_bug+0xc0/0xc0 [ 307.116673] Swap cache stats: add 0, delete 0, find 0/0 [ 307.120523] ? kvm_clock_read+0x18/0x30 [ 307.123952] Free swap = 0kB [ 307.128006] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 307.133358] Total swap = 0kB [ 307.137328] ? print_usage_bug+0xc0/0xc0 [ 307.140323] 1965979 pages RAM [ 307.145348] ? __lock_acquire+0x62f/0x4c20 [ 307.148345] 0 pages HighMem/MovableOnly [ 307.152400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.155479] 342854 pages reserved [ 307.159707] ? should_fail+0x22d/0xd01 [ 307.163655] 0 pages cma reserved [ 307.169184] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 307.172690] aoe: skb alloc failure [ 307.176494] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.179918] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.185113] ? __lock_acquire+0x62f/0x4c20 [ 307.188628] syz-fuzzer cpuset=/ mems_allowed=0 [ 307.193726] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.217847] ? __lock_acquire+0x62f/0x4c20 [ 307.222078] ? should_fail+0x22d/0xd01 [ 307.225980] ? rcu_irq_exit+0x1a2/0x390 [ 307.229977] ? mark_held_locks+0x130/0x130 [ 307.234231] ? mark_held_locks+0x130/0x130 [ 307.238492] ? mark_held_locks+0xc7/0x130 [ 307.242659] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 307.247678] ? zap_class+0x640/0x640 [ 307.251404] ? print_usage_bug+0xc0/0xc0 [ 307.255503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.261041] ? check_preemption_disabled+0x48/0x280 [ 307.266070] ? __lock_is_held+0xb5/0x140 [ 307.270152] __alloc_pages_nodemask+0xad8/0xea0 [ 307.274861] ? zap_class+0x640/0x640 [ 307.278601] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 307.283631] ? find_held_lock+0x36/0x1c0 [ 307.287700] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.292369] ? lock_downgrade+0x900/0x900 [ 307.296524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.302072] cache_grow_begin+0xa5/0x8c0 [ 307.306135] ? do_raw_spin_unlock+0xa7/0x330 [ 307.310553] fallback_alloc+0x204/0x2e0 [ 307.314538] ____cache_alloc_node+0x1c7/0x1e0 [ 307.319058] kmem_cache_alloc_node+0xe3/0x730 [ 307.323566] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.327811] __alloc_skb+0x119/0x770 [ 307.331527] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 307.336807] ? netdev_alloc_frag+0x1f0/0x1f0 [ 307.341219] ? lock_downgrade+0x900/0x900 [ 307.345376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.350940] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.356396] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.361852] ? addrconf_rs_timer+0x690/0x690 [ 307.366290] ndisc_alloc_skb+0x144/0x340 [ 307.370359] ndisc_send_rs+0x331/0x6e0 [ 307.374272] addrconf_rs_timer+0x314/0x690 [ 307.378527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.382771] call_timer_fn+0x272/0x920 [ 307.386670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.390914] ? process_timeout+0x40/0x40 [ 307.394985] ? mark_held_locks+0xc7/0x130 [ 307.399136] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.403638] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.408129] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.412363] ? lockdep_hardirqs_on+0x296/0x5b0 [ 307.416962] ? trace_hardirqs_on+0xbd/0x310 [ 307.421281] ? kasan_check_read+0x11/0x20 [ 307.425432] ? __run_timers+0x7da/0xc70 [ 307.429440] ? trace_hardirqs_off_caller+0x310/0x310 [ 307.434552] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.438804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.443051] __run_timers+0x7e5/0xc70 [ 307.446888] ? timer_fixup_init+0x70/0x70 [ 307.451047] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 307.456072] ? zap_class+0x640/0x640 [ 307.459790] ? print_usage_bug+0xc0/0xc0 [ 307.463851] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 307.469051] ? find_held_lock+0x36/0x1c0 [ 307.473123] ? zap_class+0x640/0x640 [ 307.476841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.482379] ? check_preemption_disabled+0x48/0x280 [ 307.487426] ? __lock_is_held+0xb5/0x140 [ 307.491488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.497026] ? check_preemption_disabled+0x48/0x280 [ 307.502046] run_timer_softirq+0x52/0xb0 [ 307.506108] ? rcu_read_lock_sched_held+0x14f/0x180 [ 307.511128] __do_softirq+0x308/0xb7e [ 307.514939] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 307.519435] ? lock_downgrade+0x900/0x900 [ 307.523590] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 307.528708] ? pvclock_read_flags+0x160/0x160 [ 307.533221] ? lapic_next_event+0x5a/0x90 [ 307.537374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.542924] ? kvm_clock_read+0x18/0x30 [ 307.546900] ? kvm_sched_clock_read+0x9/0x20 [ 307.551325] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.556864] ? check_preemption_disabled+0x48/0x280 [ 307.561890] irq_exit+0x17f/0x1c0 [ 307.565357] smp_apic_timer_interrupt+0x1cb/0x760 [ 307.570206] ? smp_reschedule_interrupt+0x109/0x650 [ 307.575223] ? smp_call_function_single_interrupt+0x650/0x650 [ 307.581108] ? interrupt_entry+0xb5/0xc0 [ 307.585174] ? trace_hardirqs_off_caller+0xbb/0x310 [ 307.590191] ? trace_hardirqs_off_caller+0xbb/0x310 [ 307.595208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.600054] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.605246] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.610263] ? task_prio+0x50/0x50 [ 307.613806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.619344] ? check_preemption_disabled+0x48/0x280 [ 307.624377] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.629245] apic_timer_interrupt+0xf/0x20 [ 307.633492] [ 307.635727] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 307.640702] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 307.659611] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 307.667333] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 307.674618] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 307.681885] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 307.689157] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 307.696429] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 307.703740] rcu_read_lock_held+0xa9/0xc0 [ 307.707901] list_lru_count_one+0x31a/0x450 [ 307.712232] ? list_lru_isolate_move+0x3c0/0x3c0 [ 307.716998] ? deferred_split_count+0x65/0x170 [ 307.721576] ? shrink_huge_zero_page_count+0xc8/0x100 [ 307.726873] super_cache_count+0x153/0x2e0 [ 307.731128] do_shrink_slab+0x1b1/0xd30 [ 307.735109] ? lock_acquire+0x1ed/0x520 [ 307.739088] ? snapshot_refaults+0x290/0x290 [ 307.743500] ? lock_release+0xa00/0xa00 [ 307.747479] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 307.752427] ? down_read_trylock+0xda/0x140 [ 307.756746] ? shrink_slab+0x207/0x8c0 [ 307.760646] ? downgrade_write+0x270/0x270 [ 307.764890] shrink_slab+0x389/0x8c0 [ 307.768653] ? shrink_active_list+0x1f00/0x1f00 [ 307.773363] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 307.778992] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 307.784150] ? cgroup_procs_write_finish+0xf0/0xf0 [ 307.789086] ? find_held_lock+0x36/0x1c0 [ 307.793156] shrink_node+0x431/0x16b0 [ 307.796965] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 307.802268] ? shrink_node_memcg+0x18f0/0x18f0 [ 307.806856] ? kvm_clock_read+0x18/0x30 [ 307.810834] ? ktime_get+0x2c1/0x400 [ 307.814600] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 307.819101] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 307.824639] ? __cpuset_node_allowed+0x19b/0x660 [ 307.829398] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 307.835133] ? delayacct_end+0x5a/0x100 [ 307.839125] do_try_to_free_pages+0x3e7/0x1290 [ 307.843704] ? zap_class+0x640/0x640 [ 307.847443] ? shrink_node+0x16b0/0x16b0 [ 307.851523] ? __lock_is_held+0xb5/0x140 [ 307.855596] try_to_free_pages+0x4d0/0xb90 [ 307.859832] ? do_try_to_free_pages+0x1290/0x1290 [ 307.864685] ? lock_acquire+0x1ed/0x520 [ 307.868658] ? set_page_refcounted+0x280/0x280 [ 307.873245] ? lock_release+0xa00/0xa00 [ 307.877232] ? _raw_spin_unlock_irq+0x60/0x80 [ 307.881741] ? psi_memstall_enter+0x240/0x2b0 [ 307.886236] ? psi_memstall_tick+0x230/0x230 [ 307.890660] __alloc_pages_slowpath+0xa48/0x2de0 [ 307.895458] ? warn_alloc+0x120/0x120 [ 307.899256] ? mark_held_locks+0x130/0x130 [ 307.903495] ? find_get_entry+0xaae/0x1120 [ 307.907754] ? filemap_map_pages+0x1a20/0x1a20 [ 307.912343] ? zap_class+0x640/0x640 [ 307.916064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.921608] ? check_preemption_disabled+0x48/0x280 [ 307.926625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.932218] ? should_fail+0x22d/0xd01 [ 307.936112] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.941215] ? zap_class+0x640/0x640 [ 307.944969] ? __lock_is_held+0xb5/0x140 [ 307.949039] ? mark_held_locks+0x130/0x130 [ 307.953277] ? lock_release+0xa00/0xa00 [ 307.957253] ? perf_trace_sched_process_exec+0x860/0x860 [ 307.962700] ? xa_load+0x2ba/0x460 [ 307.966241] ? lock_downgrade+0x900/0x900 [ 307.970407] ? __might_sleep+0x95/0x190 [ 307.974425] __alloc_pages_nodemask+0xad8/0xea0 [ 307.979104] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 307.984119] ? __page_cache_alloc+0x191/0x5c0 [ 307.988613] ? xa_load+0x2e1/0x460 [ 307.992155] ? xa_clear_mark+0x40/0x40 [ 307.996062] ? zap_class+0x640/0x640 [ 307.999812] ? zap_class+0x640/0x640 [ 308.003538] ? zap_class+0x640/0x640 [ 308.007249] ? __do_page_cache_readahead+0x663/0x810 [ 308.012357] ? find_held_lock+0x36/0x1c0 [ 308.016426] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 308.021984] alloc_pages_current+0x173/0x350 [ 308.026399] __page_cache_alloc+0x38c/0x5c0 [ 308.030726] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 308.035658] ? kasan_check_read+0x11/0x20 [ 308.039813] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.045095] ? generic_perform_write+0x6a0/0x6a0 [ 308.049859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.055398] ? check_preemption_disabled+0x48/0x280 [ 308.060433] filemap_fault+0x1595/0x25f0 [ 308.064508] ? __lock_page_or_retry+0xa00/0xa00 [ 308.069180] ? mark_held_locks+0x130/0x130 [ 308.073433] ? filemap_map_pages+0xd6b/0x1a20 [ 308.077938] ? lock_downgrade+0x900/0x900 [ 308.082088] ? check_preemption_disabled+0x48/0x280 [ 308.087111] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 308.092045] ? kasan_check_read+0x11/0x20 [ 308.096197] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.101478] ? rcu_softirq_qs+0x20/0x20 [ 308.105466] ? filemap_map_pages+0xd92/0x1a20 [ 308.109970] ? print_usage_bug+0xc0/0xc0 [ 308.114038] ? find_get_entries_tag+0x1400/0x1400 [ 308.118882] ? __kasan_slab_free+0x102/0x150 [ 308.123300] ? kasan_slab_free+0xe/0x10 [ 308.127273] ? kmem_cache_free+0x83/0x290 [ 308.131427] ? __sigqueue_free.part.29+0x74/0x90 [ 308.136203] ? lock_acquire+0x1ed/0x520 [ 308.140180] ? ext4_filemap_fault+0x7a/0xad [ 308.144513] ? lock_release+0xa00/0xa00 [ 308.148485] ? perf_trace_sched_process_exec+0x860/0x860 [ 308.153944] ? print_usage_bug+0xc0/0xc0 [ 308.158009] ? print_usage_bug+0xc0/0xc0 [ 308.162083] ? down_read+0x8d/0x120 [ 308.165712] ? ext4_filemap_fault+0x7a/0xad [ 308.170031] ? __down_interruptible+0x700/0x700 [ 308.174713] ext4_filemap_fault+0x82/0xad [ 308.178867] __do_fault+0x100/0x6b0 [ 308.182504] ? pmd_devmap_trans_unstable+0x220/0x220 [ 308.187614] ? mark_held_locks+0x130/0x130 [ 308.191849] ? mark_held_locks+0x130/0x130 [ 308.196087] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 308.201629] ? rcu_pm_notify+0xc0/0xc0 [ 308.205530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.211077] __handle_mm_fault+0x3ea0/0x5be0 [ 308.215496] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 308.220337] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.224836] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 308.229439] ? trace_hardirqs_on+0xbd/0x310 [ 308.233765] ? kasan_check_read+0x11/0x20 [ 308.237935] ? __set_current_blocked+0xdf/0x120 [ 308.242606] ? trace_hardirqs_off_caller+0x310/0x310 [ 308.247748] ? zap_class+0x640/0x640 [ 308.251468] ? zap_class+0x640/0x640 [ 308.255190] ? find_held_lock+0x36/0x1c0 [ 308.259263] ? handle_mm_fault+0x42a/0xc70 [ 308.263513] ? lock_downgrade+0x900/0x900 [ 308.267661] ? check_preemption_disabled+0x48/0x280 [ 308.272679] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 308.277605] ? kasan_check_read+0x11/0x20 [ 308.281753] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.287040] ? rcu_softirq_qs+0x20/0x20 [ 308.291019] ? trace_hardirqs_off_caller+0x310/0x310 [ 308.296124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.301669] ? check_preemption_disabled+0x48/0x280 [ 308.306711] handle_mm_fault+0x54f/0xc70 [ 308.310795] ? __handle_mm_fault+0x5be0/0x5be0 [ 308.315387] ? find_vma+0x34/0x190 [ 308.318943] __do_page_fault+0x5e8/0xe60 [ 308.323008] ? exit_to_usermode_loop+0x1f4/0x380 [ 308.327795] do_page_fault+0xf2/0x7e0 [ 308.331602] ? vmalloc_sync_all+0x30/0x30 [ 308.335750] ? error_entry+0x70/0xd0 [ 308.339471] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.344498] ? trace_hardirqs_on_caller+0xc0/0x310 [ 308.349431] ? syscall_return_slowpath+0x5e0/0x5e0 [ 308.354358] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.359202] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.364220] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.369720] ? prepare_exit_to_usermode+0x291/0x3b0 [ 308.374739] ? page_fault+0x8/0x30 [ 308.378286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.383133] ? page_fault+0x8/0x30 [ 308.386676] page_fault+0x1e/0x30 [ 308.390130] RIP: 0033:0x45db60 [ 308.393332] Code: Bad RIP value. [ 308.396693] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 308.402057] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 308.409326] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 308.416590] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 308.423856] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 308.431121] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 308.438411] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 308.438486] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 308.445435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.445443] Call Trace: [ 308.452021] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 308.461271] [ 308.463853] syz-fuzzer cpuset=/ mems_allowed=0 [ 308.474074] dump_stack+0x244/0x39d [ 308.484391] ? dump_stack_print_info.cold.1+0x20/0x20 [ 308.489610] warn_alloc.cold.116+0xb7/0x1bd [ 308.493947] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 308.498794] ? lock_downgrade+0x900/0x900 [ 308.502970] ? trace_hardirqs_off+0xb8/0x310 [ 308.507397] ? trace_hardirqs_off+0xb8/0x310 [ 308.511816] __alloc_pages_slowpath+0x2651/0x2de0 [ 308.516687] ? warn_alloc+0x120/0x120 [ 308.520494] ? warn_alloc+0x120/0x120 [ 308.524299] ? warn_alloc+0x120/0x120 [ 308.528101] ? print_usage_bug+0xc0/0xc0 [ 308.532164] ? print_usage_bug+0xc0/0xc0 [ 308.536225] ? ktime_get+0x2c1/0x400 [ 308.539949] ? check_preemption_disabled+0x48/0x280 [ 308.544965] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 308.549473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.555010] ? should_fail+0x22d/0xd01 [ 308.558910] ? kasan_check_read+0x11/0x20 [ 308.563067] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.568172] ? __lock_acquire+0x62f/0x4c20 [ 308.572411] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.577511] ? should_fail+0x22d/0xd01 [ 308.581396] ? print_usage_bug+0xc0/0xc0 [ 308.585466] ? mark_held_locks+0x130/0x130 [ 308.589705] ? mark_held_locks+0x130/0x130 [ 308.593946] ? check_preemption_disabled+0x48/0x280 [ 308.598987] ? zap_class+0x640/0x640 [ 308.602737] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 308.607535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.613091] ? check_preemption_disabled+0x48/0x280 [ 308.618133] ? __lock_is_held+0xb5/0x140 [ 308.622201] __alloc_pages_nodemask+0xad8/0xea0 [ 308.626869] ? zap_class+0x640/0x640 [ 308.630588] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 308.635614] ? find_held_lock+0x36/0x1c0 [ 308.639685] ? ____cache_alloc_node+0x1c7/0x1e0 [ 308.644357] ? lock_downgrade+0x900/0x900 [ 308.648529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.654076] cache_grow_begin+0xa5/0x8c0 [ 308.658145] ? do_raw_spin_unlock+0xa7/0x330 [ 308.662559] fallback_alloc+0x204/0x2e0 [ 308.666553] ____cache_alloc_node+0x1c7/0x1e0 [ 308.671055] kmem_cache_alloc_node+0xe3/0x730 [ 308.675574] ? lockdep_hardirqs_on+0x296/0x5b0 [ 308.680178] __alloc_skb+0x119/0x770 [ 308.683919] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 308.689291] ? netdev_alloc_frag+0x1f0/0x1f0 [ 308.693713] ? vprintk_default+0x28/0x30 [ 308.697774] ? vprintk_func+0x85/0x181 [ 308.701680] ? printk+0xa7/0xcf [ 308.704977] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 308.709739] ? do_raw_spin_trylock+0x270/0x270 [ 308.714326] new_skb+0x26/0x1c0 [ 308.717605] aoecmd_cfg+0x279/0x7f0 [ 308.721237] ? find_held_lock+0x36/0x1c0 [ 308.725311] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 308.729642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.735189] ? __lock_is_held+0xb5/0x140 [ 308.739428] discover_timer+0x50/0x60 [ 308.743230] call_timer_fn+0x272/0x920 [ 308.747117] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 308.751964] ? process_timeout+0x40/0x40 [ 308.756034] ? mark_held_locks+0xc7/0x130 [ 308.760184] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.764694] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.769187] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 308.774033] ? lockdep_hardirqs_on+0x296/0x5b0 [ 308.778617] ? trace_hardirqs_on+0xbd/0x310 [ 308.782942] ? kasan_check_read+0x11/0x20 [ 308.787089] ? __run_timers+0x7da/0xc70 [ 308.791070] ? trace_hardirqs_off_caller+0x310/0x310 [ 308.796219] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 308.801084] __run_timers+0x7e5/0xc70 [ 308.804899] ? timer_fixup_init+0x70/0x70 [ 308.809066] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.814082] ? zap_class+0x640/0x640 [ 308.817802] ? print_usage_bug+0xc0/0xc0 [ 308.821867] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 308.827065] ? find_held_lock+0x36/0x1c0 [ 308.831134] ? zap_class+0x640/0x640 [ 308.834855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.840393] ? check_preemption_disabled+0x48/0x280 [ 308.845421] ? __lock_is_held+0xb5/0x140 [ 308.849483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.855021] ? check_preemption_disabled+0x48/0x280 [ 308.860044] run_timer_softirq+0x52/0xb0 [ 308.864118] ? rcu_read_lock_sched_held+0x14f/0x180 [ 308.869135] __do_softirq+0x308/0xb7e [ 308.872950] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 308.877448] ? lock_downgrade+0x900/0x900 [ 308.881605] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 308.886726] ? pvclock_read_flags+0x160/0x160 [ 308.891224] ? lapic_next_event+0x5a/0x90 [ 308.895389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.901036] ? kvm_clock_read+0x18/0x30 [ 308.905012] ? kvm_sched_clock_read+0x9/0x20 [ 308.909468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.915011] ? check_preemption_disabled+0x48/0x280 [ 308.920036] irq_exit+0x17f/0x1c0 [ 308.923496] smp_apic_timer_interrupt+0x1cb/0x760 [ 308.928339] ? smp_reschedule_interrupt+0x109/0x650 [ 308.933356] ? smp_call_function_single_interrupt+0x650/0x650 [ 308.939242] ? interrupt_entry+0xb5/0xc0 [ 308.943303] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.948321] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.953337] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.958183] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.963215] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.968232] ? task_prio+0x50/0x50 [ 308.971772] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.977312] ? check_preemption_disabled+0x48/0x280 [ 308.982335] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.987186] apic_timer_interrupt+0xf/0x20 [ 308.991412] [ 308.993665] RIP: 0010:console_unlock+0x102f/0x1190 [ 308.998595] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 309.017494] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 309.025231] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 309.032501] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 309.039768] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 309.047039] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 309.054306] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 309.061585] ? netconsole_netdev_event+0x280/0x280 [ 309.066520] ? console_unlock+0x1026/0x1190 [ 309.070858] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 309.075534] ? lock_release+0xa00/0xa00 [ 309.079511] ? retint_kernel+0x2d/0x2d [ 309.083414] vprintk_emit+0x391/0x990 [ 309.087222] ? wake_up_klogd+0x180/0x180 [ 309.091310] ? match_held_lock+0x811/0x8d0 [ 309.095559] ? mark_held_locks+0xc7/0x130 [ 309.099709] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.104206] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.108708] vprintk_default+0x28/0x30 [ 309.112596] vprintk_func+0x7e/0x181 [ 309.116315] printk+0xa7/0xcf [ 309.119419] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 309.124179] ? _raw_spin_unlock_irq+0x60/0x80 [ 309.128687] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 309.133973] dump_header+0x7cc/0xf72 [ 309.137701] ? pagefault_out_of_memory+0x197/0x197 [ 309.142637] ? __lock_acquire+0x62f/0x4c20 [ 309.146876] ? percpu_ref_get_many+0x240/0x240 [ 309.151480] ? print_usage_bug+0xc0/0xc0 [ 309.155552] ? zap_class+0x640/0x640 [ 309.159267] ? print_usage_bug+0xc0/0xc0 [ 309.163332] ? zap_class+0x640/0x640 [ 309.167053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.172596] ? find_held_lock+0x36/0x1c0 [ 309.176664] ? mark_held_locks+0xc7/0x130 [ 309.180814] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 309.185929] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 309.191039] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 309.195622] ? trace_hardirqs_on+0xbd/0x310 [ 309.199978] ? kasan_check_read+0x11/0x20 [ 309.204127] ? ___ratelimit+0x3b4/0x672 [ 309.208108] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.213212] ? trace_hardirqs_on+0x310/0x310 [ 309.217620] ? lock_downgrade+0x900/0x900 [ 309.221773] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 309.226902] ? ___ratelimit+0x3b9/0x672 [ 309.230913] ? idr_get_free+0xf70/0xf70 [ 309.234893] ? find_held_lock+0x36/0x1c0 [ 309.239411] oom_kill_process.cold.27+0x10/0x903 [ 309.244169] ? zap_class+0x640/0x640 [ 309.247886] ? check_preemption_disabled+0x48/0x280 [ 309.252931] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 309.257862] ? kasan_check_read+0x11/0x20 [ 309.262020] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.267303] ? oom_evaluate_task+0x540/0x540 [ 309.271718] ? find_held_lock+0x36/0x1c0 [ 309.275786] ? out_of_memory+0x974/0x1430 [ 309.279945] ? lock_downgrade+0x900/0x900 [ 309.284106] ? check_preemption_disabled+0x48/0x280 [ 309.289123] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 309.294052] ? kasan_check_read+0x11/0x20 [ 309.298208] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.303485] ? rcu_softirq_qs+0x20/0x20 [ 309.307464] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 309.312998] ? oom_evaluate_task+0x302/0x540 [ 309.317410] out_of_memory+0xa84/0x1430 [ 309.321393] ? oom_killer_disable+0x3a0/0x3a0 [ 309.325893] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 309.330839] ? __ww_mutex_check_waiters+0x160/0x160 [ 309.335868] __alloc_pages_slowpath+0x232c/0x2de0 [ 309.340738] ? warn_alloc+0x120/0x120 [ 309.344538] ? mark_held_locks+0x130/0x130 [ 309.348777] ? find_get_entry+0xaae/0x1120 [ 309.353023] ? filemap_map_pages+0x1a20/0x1a20 [ 309.357608] ? zap_class+0x640/0x640 [ 309.361332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.366873] ? check_preemption_disabled+0x48/0x280 [ 309.371896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.377457] ? should_fail+0x22d/0xd01 [ 309.381351] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.386456] ? zap_class+0x640/0x640 [ 309.390195] ? __lock_is_held+0xb5/0x140 [ 309.394267] ? mark_held_locks+0x130/0x130 [ 309.398509] ? lock_release+0xa00/0xa00 [ 309.402485] ? perf_trace_sched_process_exec+0x860/0x860 [ 309.407948] ? xa_load+0x2ba/0x460 [ 309.411491] ? lock_downgrade+0x900/0x900 [ 309.415645] ? __might_sleep+0x95/0x190 [ 309.419624] __alloc_pages_nodemask+0xad8/0xea0 [ 309.424311] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 309.429328] ? __page_cache_alloc+0x191/0x5c0 [ 309.433823] ? xa_load+0x2e1/0x460 [ 309.437362] ? xa_clear_mark+0x40/0x40 [ 309.441248] ? zap_class+0x640/0x640 [ 309.444964] ? zap_class+0x640/0x640 [ 309.448689] ? zap_class+0x640/0x640 [ 309.452403] ? zap_class+0x640/0x640 [ 309.456132] ? __do_page_cache_readahead+0x663/0x810 [ 309.461253] ? find_held_lock+0x36/0x1c0 [ 309.465326] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 309.470878] alloc_pages_current+0x173/0x350 [ 309.475306] __page_cache_alloc+0x38c/0x5c0 [ 309.479626] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 309.484561] ? kasan_check_read+0x11/0x20 [ 309.488711] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.493990] ? generic_perform_write+0x6a0/0x6a0 [ 309.498748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.504289] ? check_preemption_disabled+0x48/0x280 [ 309.509316] filemap_fault+0x1595/0x25f0 [ 309.513392] ? __lock_page_or_retry+0xa00/0xa00 [ 309.518065] ? mark_held_locks+0x130/0x130 [ 309.522309] ? filemap_map_pages+0xd6b/0x1a20 [ 309.526804] ? lock_downgrade+0x900/0x900 [ 309.530959] ? check_preemption_disabled+0x48/0x280 [ 309.535982] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 309.540927] ? kasan_check_read+0x11/0x20 [ 309.545075] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.550355] ? rcu_softirq_qs+0x20/0x20 [ 309.554345] ? filemap_map_pages+0xd92/0x1a20 [ 309.558858] ? queue_work_on+0x12c/0x1e0 [ 309.562938] ? find_get_entries_tag+0x1400/0x1400 [ 309.567786] ? debug_object_destroy+0x2b0/0x2b0 [ 309.572459] ? lock_pi_update_atomic+0x150/0x150 [ 309.577219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.582767] ? lock_acquire+0x1ed/0x520 [ 309.586744] ? ext4_filemap_fault+0x7a/0xad [ 309.591071] ? lock_release+0xa00/0xa00 [ 309.595048] ? perf_trace_sched_process_exec+0x860/0x860 [ 309.600503] ? print_usage_bug+0xc0/0xc0 [ 309.604986] ? print_usage_bug+0xc0/0xc0 [ 309.609072] ? down_read+0x8d/0x120 [ 309.612703] ? ext4_filemap_fault+0x7a/0xad [ 309.617029] ? __down_interruptible+0x700/0x700 [ 309.621711] ext4_filemap_fault+0x82/0xad [ 309.625870] __do_fault+0x100/0x6b0 [ 309.629496] ? perf_tp_event+0xc20/0xc20 [ 309.633565] ? pmd_devmap_trans_unstable+0x220/0x220 [ 309.638672] ? mark_held_locks+0x130/0x130 [ 309.642914] ? mark_held_locks+0x130/0x130 [ 309.647159] ? debug_smp_processor_id+0x1c/0x20 [ 309.651827] ? perf_trace_lock+0x14d/0x7a0 [ 309.656074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.661621] __handle_mm_fault+0x3ea0/0x5be0 [ 309.666045] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 309.670901] ? lock_is_held_type+0x210/0x210 [ 309.675352] ? __switch_to_asm+0x34/0x70 [ 309.679433] ? __switch_to_asm+0x34/0x70 [ 309.683529] ? zap_class+0x640/0x640 [ 309.687258] ? zap_class+0x640/0x640 [ 309.690973] ? __x64_sys_futex+0x53e/0x6a0 [ 309.695222] ? find_held_lock+0x36/0x1c0 [ 309.699298] ? handle_mm_fault+0x42a/0xc70 [ 309.703543] ? lock_downgrade+0x900/0x900 [ 309.707712] ? check_preemption_disabled+0x48/0x280 [ 309.712759] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 309.717689] ? kasan_check_read+0x11/0x20 [ 309.721835] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.727115] ? rcu_softirq_qs+0x20/0x20 [ 309.731088] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.736195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.741736] ? check_preemption_disabled+0x48/0x280 [ 309.746763] handle_mm_fault+0x54f/0xc70 [ 309.750849] ? __handle_mm_fault+0x5be0/0x5be0 [ 309.755433] ? find_vma+0x34/0x190 [ 309.758983] __do_page_fault+0x5e8/0xe60 [ 309.763049] ? trace_hardirqs_off+0xb8/0x310 [ 309.767476] do_page_fault+0xf2/0x7e0 [ 309.771277] ? vmalloc_sync_all+0x30/0x30 [ 309.775434] ? error_entry+0x70/0xd0 [ 309.779170] ? trace_hardirqs_off_caller+0xbb/0x310 [ 309.784185] ? trace_hardirqs_on_caller+0xc0/0x310 [ 309.789115] ? syscall_return_slowpath+0x5e0/0x5e0 [ 309.794053] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.798901] ? trace_hardirqs_on_caller+0x310/0x310 [ 309.803947] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.809404] ? prepare_exit_to_usermode+0x291/0x3b0 [ 309.814425] ? page_fault+0x8/0x30 [ 309.817973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.822821] ? page_fault+0x8/0x30 [ 309.826362] page_fault+0x1e/0x30 [ 309.829815] RIP: 0033:0x45ddf3 [ 309.833024] Code: Bad RIP value. [ 309.836391] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 309.841752] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 309.849022] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 309.856290] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 309.863559] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 309.870827] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 309.878116] warn_alloc_show_mem: 1 callbacks suppressed [ 309.878128] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 309.878130] Mem-Info: [ 309.878160] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 309.878160] active_file:10 inactive_file:13 isolated_file:0 [ 309.878160] unevictable:0 dirty:0 writeback:0 unstable:0 [ 309.878160] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 309.878160] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 309.878160] free:13776 free_pcp:523 free_cma:0 [ 309.883504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.890526] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 309.892934] Call Trace: [ 309.925974] 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 [ 309.935324] [ 309.963012] lowmem_reserve[]: 0 2818 6321 6321 [ 309.965601] dump_stack+0x244/0x39d [ 309.991678] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 309.993829] ? dump_stack_print_info.cold.1+0x20/0x20 [ 309.998379] lowmem_reserve[]: 0 0 3503 3503 [ 310.002008] warn_alloc.cold.116+0xb7/0x1bd [ 310.029303] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 310.034486] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 310.038797] lowmem_reserve[]: 0 0 0 0 [ 310.043117] ? lock_downgrade+0x900/0x900 [ 310.072150] 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 [ 310.076990] ? trace_hardirqs_off+0xb8/0x310 [ 310.080781] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 310.084934] ? trace_hardirqs_off+0xb8/0x310 [ 310.098453] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 310.102867] __alloc_pages_slowpath+0x2651/0x2de0 [ 310.117947] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 310.122366] ? warn_alloc+0x120/0x120 [ 310.136715] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 310.141562] ? print_usage_bug+0xc0/0xc0 [ 310.150370] 1516 total pagecache pages [ 310.154163] ? warn_alloc+0x120/0x120 [ 310.162726] 0 pages in swap cache [ 310.166770] ? warn_alloc+0x120/0x120 [ 310.170634] Swap cache stats: add 0, delete 0, find 0/0 [ 310.174431] ? print_usage_bug+0xc0/0xc0 [ 310.177855] Free swap = 0kB [ 310.181651] ? kvm_clock_read+0x18/0x30 [ 310.186988] Total swap = 0kB [ 310.191043] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 310.194035] 1965979 pages RAM [ 310.198027] ? print_usage_bug+0xc0/0xc0 [ 310.201037] 0 pages HighMem/MovableOnly [ 310.206047] ? __lock_acquire+0x62f/0x4c20 [ 310.209163] 342854 pages reserved [ 310.213234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.217188] 0 pages cma reserved [ 310.221427] ? should_fail+0x22d/0xd01 [ 310.224939] aoe: skb alloc failure [ 310.230370] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 310.230388] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.230421] ? __lock_acquire+0x62f/0x4c20 [ 310.233816] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 310.237668] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.241188] syz-fuzzer cpuset=/ mems_allowed=0 [ 310.246461] ? __lock_acquire+0x62f/0x4c20 [ 310.279860] ? should_fail+0x22d/0xd01 [ 310.283748] ? rcu_irq_exit+0x1a2/0x390 [ 310.287733] ? mark_held_locks+0x130/0x130 [ 310.291977] ? mark_held_locks+0x130/0x130 [ 310.296218] ? mark_held_locks+0xc7/0x130 [ 310.300370] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 310.305391] ? zap_class+0x640/0x640 [ 310.309112] ? print_usage_bug+0xc0/0xc0 [ 310.313190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.318732] ? check_preemption_disabled+0x48/0x280 [ 310.323770] ? __lock_is_held+0xb5/0x140 [ 310.327852] __alloc_pages_nodemask+0xad8/0xea0 [ 310.332523] ? zap_class+0x640/0x640 [ 310.336243] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 310.341271] ? find_held_lock+0x36/0x1c0 [ 310.345350] ? ____cache_alloc_node+0x1c7/0x1e0 [ 310.350023] ? lock_downgrade+0x900/0x900 [ 310.354186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.359727] cache_grow_begin+0xa5/0x8c0 [ 310.363802] ? do_raw_spin_unlock+0xa7/0x330 [ 310.368220] fallback_alloc+0x204/0x2e0 [ 310.372204] ____cache_alloc_node+0x1c7/0x1e0 [ 310.376717] kmem_cache_alloc_node+0xe3/0x730 [ 310.381217] ? ipv6_get_ifaddr+0x42e/0x620 [ 310.385488] __alloc_skb+0x119/0x770 [ 310.389200] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 310.394485] ? netdev_alloc_frag+0x1f0/0x1f0 [ 310.398892] ? lock_downgrade+0x900/0x900 [ 310.403066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.408605] ? refcount_sub_and_test_checked+0x203/0x310 [ 310.414064] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 310.419518] ? addrconf_rs_timer+0x690/0x690 [ 310.423950] ndisc_alloc_skb+0x144/0x340 [ 310.428026] ndisc_send_rs+0x331/0x6e0 [ 310.431945] addrconf_rs_timer+0x314/0x690 [ 310.436187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.440437] call_timer_fn+0x272/0x920 [ 310.444326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.448564] ? process_timeout+0x40/0x40 [ 310.452634] ? mark_held_locks+0xc7/0x130 [ 310.456788] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.461307] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.465799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.470035] ? lockdep_hardirqs_on+0x296/0x5b0 [ 310.474620] ? trace_hardirqs_on+0xbd/0x310 [ 310.478956] ? kasan_check_read+0x11/0x20 [ 310.483107] ? __run_timers+0x7da/0xc70 [ 310.487082] ? trace_hardirqs_off_caller+0x310/0x310 [ 310.492197] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.496440] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.500673] __run_timers+0x7e5/0xc70 [ 310.504483] ? timer_fixup_init+0x70/0x70 [ 310.508645] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 310.513665] ? zap_class+0x640/0x640 [ 310.517392] ? print_usage_bug+0xc0/0xc0 [ 310.521464] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 310.526662] ? find_held_lock+0x36/0x1c0 [ 310.530730] ? zap_class+0x640/0x640 [ 310.534457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.540005] ? check_preemption_disabled+0x48/0x280 [ 310.545035] ? __lock_is_held+0xb5/0x140 [ 310.549103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.554645] ? check_preemption_disabled+0x48/0x280 [ 310.559671] run_timer_softirq+0x52/0xb0 [ 310.563735] ? rcu_read_lock_sched_held+0x14f/0x180 [ 310.568751] __do_softirq+0x308/0xb7e [ 310.572557] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 310.577066] ? lock_downgrade+0x900/0x900 [ 310.581223] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 310.586339] ? pvclock_read_flags+0x160/0x160 [ 310.590838] ? lapic_next_event+0x5a/0x90 [ 310.594988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.600545] ? kvm_clock_read+0x18/0x30 [ 310.604522] ? kvm_sched_clock_read+0x9/0x20 [ 310.608939] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.614479] ? check_preemption_disabled+0x48/0x280 [ 310.619506] irq_exit+0x17f/0x1c0 [ 310.622966] smp_apic_timer_interrupt+0x1cb/0x760 [ 310.627811] ? smp_reschedule_interrupt+0x109/0x650 [ 310.632835] ? smp_call_function_single_interrupt+0x650/0x650 [ 310.638735] ? interrupt_entry+0xb5/0xc0 [ 310.642804] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.647819] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.652837] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.657683] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.662721] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.667751] ? task_prio+0x50/0x50 [ 310.671291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.676835] ? check_preemption_disabled+0x48/0x280 [ 310.681859] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.686709] apic_timer_interrupt+0xf/0x20 [ 310.690967] [ 310.693213] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 310.698144] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 310.717046] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 310.724752] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 310.732046] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 310.739533] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 310.746798] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 310.754068] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 310.761368] rcu_read_lock_held+0xa9/0xc0 [ 310.765516] list_lru_count_one+0x31a/0x450 [ 310.769856] ? list_lru_isolate_move+0x3c0/0x3c0 [ 310.774615] ? deferred_split_count+0x65/0x170 [ 310.779197] ? shrink_huge_zero_page_count+0xc8/0x100 [ 310.784396] super_cache_count+0x153/0x2e0 [ 310.788639] do_shrink_slab+0x1b1/0xd30 [ 310.792619] ? lock_acquire+0x1ed/0x520 [ 310.796604] ? snapshot_refaults+0x290/0x290 [ 310.801017] ? lock_release+0xa00/0xa00 [ 310.805002] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 310.809947] ? down_read_trylock+0xda/0x140 [ 310.814282] ? shrink_slab+0x207/0x8c0 [ 310.818170] ? downgrade_write+0x270/0x270 [ 310.822413] shrink_slab+0x389/0x8c0 [ 310.826131] ? shrink_active_list+0x1f00/0x1f00 [ 310.830808] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 310.836439] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 310.841552] ? cgroup_procs_write_finish+0xf0/0xf0 [ 310.846492] ? find_held_lock+0x36/0x1c0 [ 310.850563] shrink_node+0x431/0x16b0 [ 310.854367] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 310.859684] ? shrink_node_memcg+0x18f0/0x18f0 [ 310.864276] ? kvm_clock_read+0x18/0x30 [ 310.868251] ? ktime_get+0x2c1/0x400 [ 310.871973] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 310.876473] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.882010] ? __cpuset_node_allowed+0x19b/0x660 [ 310.886767] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 310.892479] ? delayacct_end+0x5a/0x100 [ 310.896464] do_try_to_free_pages+0x3e7/0x1290 [ 310.901043] ? zap_class+0x640/0x640 [ 310.904776] ? shrink_node+0x16b0/0x16b0 [ 310.908840] ? __lock_is_held+0xb5/0x140 [ 310.912920] try_to_free_pages+0x4d0/0xb90 [ 310.917164] ? do_try_to_free_pages+0x1290/0x1290 [ 310.922033] ? lock_acquire+0x1ed/0x520 [ 310.926012] ? set_page_refcounted+0x280/0x280 [ 310.930599] ? lock_release+0xa00/0xa00 [ 310.934574] ? _raw_spin_unlock_irq+0x60/0x80 [ 310.939073] ? psi_memstall_enter+0x240/0x2b0 [ 310.943585] ? psi_memstall_tick+0x230/0x230 [ 310.948010] __alloc_pages_slowpath+0xa48/0x2de0 [ 310.952798] ? warn_alloc+0x120/0x120 [ 310.956628] ? mark_held_locks+0x130/0x130 [ 310.960868] ? find_get_entry+0xaae/0x1120 [ 310.965111] ? filemap_map_pages+0x1a20/0x1a20 [ 310.969699] ? zap_class+0x640/0x640 [ 310.973425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.978971] ? check_preemption_disabled+0x48/0x280 [ 310.984130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.989669] ? should_fail+0x22d/0xd01 [ 310.993563] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.998669] ? zap_class+0x640/0x640 [ 311.002407] ? __lock_is_held+0xb5/0x140 [ 311.006485] ? mark_held_locks+0x130/0x130 [ 311.010725] ? lock_release+0xa00/0xa00 [ 311.014698] ? perf_trace_sched_process_exec+0x860/0x860 [ 311.020150] ? xa_load+0x2ba/0x460 [ 311.023710] ? lock_downgrade+0x900/0x900 [ 311.027863] ? __might_sleep+0x95/0x190 [ 311.031844] __alloc_pages_nodemask+0xad8/0xea0 [ 311.036526] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 311.041544] ? __page_cache_alloc+0x191/0x5c0 [ 311.046039] ? xa_load+0x2e1/0x460 [ 311.049580] ? xa_clear_mark+0x40/0x40 [ 311.053472] ? zap_class+0x640/0x640 [ 311.057193] ? zap_class+0x640/0x640 [ 311.060914] ? zap_class+0x640/0x640 [ 311.064631] ? __do_page_cache_readahead+0x663/0x810 [ 311.069743] ? find_held_lock+0x36/0x1c0 [ 311.073813] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 311.079362] alloc_pages_current+0x173/0x350 [ 311.083791] __page_cache_alloc+0x38c/0x5c0 [ 311.088123] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 311.093053] ? kasan_check_read+0x11/0x20 [ 311.097205] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.102489] ? generic_perform_write+0x6a0/0x6a0 [ 311.107255] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.112796] ? check_preemption_disabled+0x48/0x280 [ 311.117819] filemap_fault+0x1595/0x25f0 [ 311.121924] ? __lock_page_or_retry+0xa00/0xa00 [ 311.126596] ? mark_held_locks+0x130/0x130 [ 311.130870] ? filemap_map_pages+0xd6b/0x1a20 [ 311.135384] ? lock_downgrade+0x900/0x900 [ 311.139560] ? check_preemption_disabled+0x48/0x280 [ 311.144591] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 311.149532] ? kasan_check_read+0x11/0x20 [ 311.153676] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.158966] ? rcu_softirq_qs+0x20/0x20 [ 311.162957] ? filemap_map_pages+0xd92/0x1a20 [ 311.167469] ? print_usage_bug+0xc0/0xc0 [ 311.171550] ? find_get_entries_tag+0x1400/0x1400 [ 311.176394] ? __kasan_slab_free+0x102/0x150 [ 311.180836] ? kasan_slab_free+0xe/0x10 [ 311.184823] ? kmem_cache_free+0x83/0x290 [ 311.188971] ? __sigqueue_free.part.29+0x74/0x90 [ 311.193745] ? lock_acquire+0x1ed/0x520 [ 311.197721] ? ext4_filemap_fault+0x7a/0xad [ 311.202053] ? lock_release+0xa00/0xa00 [ 311.206026] ? perf_trace_sched_process_exec+0x860/0x860 [ 311.211479] ? print_usage_bug+0xc0/0xc0 [ 311.215555] ? print_usage_bug+0xc0/0xc0 [ 311.219647] ? down_read+0x8d/0x120 [ 311.223274] ? ext4_filemap_fault+0x7a/0xad [ 311.227593] ? __down_interruptible+0x700/0x700 [ 311.232303] ext4_filemap_fault+0x82/0xad [ 311.236454] __do_fault+0x100/0x6b0 [ 311.240082] ? pmd_devmap_trans_unstable+0x220/0x220 [ 311.245189] ? mark_held_locks+0x130/0x130 [ 311.249431] ? mark_held_locks+0x130/0x130 [ 311.253678] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 311.259219] ? rcu_pm_notify+0xc0/0xc0 [ 311.263113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.268658] __handle_mm_fault+0x3ea0/0x5be0 [ 311.273073] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 311.277921] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.282437] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 311.287026] ? trace_hardirqs_on+0xbd/0x310 [ 311.291350] ? kasan_check_read+0x11/0x20 [ 311.295500] ? __set_current_blocked+0xdf/0x120 [ 311.300172] ? trace_hardirqs_off_caller+0x310/0x310 [ 311.305290] ? zap_class+0x640/0x640 [ 311.309031] ? zap_class+0x640/0x640 [ 311.312751] ? find_held_lock+0x36/0x1c0 [ 311.316853] ? handle_mm_fault+0x42a/0xc70 [ 311.321090] ? lock_downgrade+0x900/0x900 [ 311.325240] ? check_preemption_disabled+0x48/0x280 [ 311.330274] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 311.335206] ? kasan_check_read+0x11/0x20 [ 311.339352] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.344626] ? rcu_softirq_qs+0x20/0x20 [ 311.348600] ? trace_hardirqs_off_caller+0x310/0x310 [ 311.353710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.359278] ? check_preemption_disabled+0x48/0x280 [ 311.364316] handle_mm_fault+0x54f/0xc70 [ 311.368382] ? __handle_mm_fault+0x5be0/0x5be0 [ 311.372970] ? find_vma+0x34/0x190 [ 311.376529] __do_page_fault+0x5e8/0xe60 [ 311.380594] ? exit_to_usermode_loop+0x1f4/0x380 [ 311.385372] do_page_fault+0xf2/0x7e0 [ 311.389175] ? vmalloc_sync_all+0x30/0x30 [ 311.393323] ? error_entry+0x70/0xd0 [ 311.397041] ? trace_hardirqs_off_caller+0xbb/0x310 [ 311.402065] ? trace_hardirqs_on_caller+0xc0/0x310 [ 311.406997] ? syscall_return_slowpath+0x5e0/0x5e0 [ 311.411938] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.416784] ? trace_hardirqs_on_caller+0x310/0x310 [ 311.421797] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.427260] ? prepare_exit_to_usermode+0x291/0x3b0 [ 311.432320] ? page_fault+0x8/0x30 [ 311.435893] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.440745] ? page_fault+0x8/0x30 [ 311.444285] page_fault+0x1e/0x30 [ 311.447736] RIP: 0033:0x45db60 [ 311.450965] Code: Bad RIP value. [ 311.454353] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 311.459710] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 311.466977] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 311.474259] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 311.481530] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 311.488794] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 311.496090] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 311.496159] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 311.503113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.503118] Call Trace: [ 311.503125] [ 311.503146] dump_stack+0x244/0x39d [ 311.503166] ? dump_stack_print_info.cold.1+0x20/0x20 [ 311.509725] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 311.519001] warn_alloc.cold.116+0xb7/0x1bd [ 311.521555] syz-fuzzer cpuset=/ mems_allowed=0 [ 311.523698] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 311.556400] ? lock_downgrade+0x900/0x900 [ 311.560556] ? trace_hardirqs_off+0xb8/0x310 [ 311.564971] ? trace_hardirqs_off+0xb8/0x310 [ 311.569387] __alloc_pages_slowpath+0x2651/0x2de0 [ 311.574260] ? warn_alloc+0x120/0x120 [ 311.578069] ? warn_alloc+0x120/0x120 [ 311.581870] ? __lock_acquire+0x62f/0x4c20 [ 311.586112] ? warn_alloc+0x120/0x120 [ 311.589930] ? print_usage_bug+0xc0/0xc0 [ 311.594001] ? print_usage_bug+0xc0/0xc0 [ 311.598064] ? mark_held_locks+0x130/0x130 [ 311.602334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.608373] ? should_fail+0x22d/0xd01 [ 311.612258] ? zap_class+0x640/0x640 [ 311.615981] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.621085] ? __lock_acquire+0x62f/0x4c20 [ 311.625323] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.630424] ? should_fail+0x22d/0xd01 [ 311.634359] ? mark_held_locks+0x130/0x130 [ 311.638602] ? mark_held_locks+0x130/0x130 [ 311.642836] ? lock_downgrade+0x900/0x900 [ 311.646983] ? zap_class+0x640/0x640 [ 311.650697] ? zap_class+0x640/0x640 [ 311.654422] ? zap_class+0x640/0x640 [ 311.658139] ? do_raw_spin_unlock+0xa7/0x330 [ 311.662548] ? trace_hardirqs_on+0x310/0x310 [ 311.666956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.672493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.678034] ? check_preemption_disabled+0x48/0x280 [ 311.683063] ? __lock_is_held+0xb5/0x140 [ 311.687131] __alloc_pages_nodemask+0xad8/0xea0 [ 311.691797] ? zap_class+0x640/0x640 [ 311.695520] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 311.700551] ? find_held_lock+0x36/0x1c0 [ 311.704622] ? ____cache_alloc_node+0x1c7/0x1e0 [ 311.709296] ? lock_downgrade+0x900/0x900 [ 311.713454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.719001] cache_grow_begin+0xa5/0x8c0 [ 311.723063] ? do_raw_spin_unlock+0xa7/0x330 [ 311.727477] fallback_alloc+0x204/0x2e0 [ 311.731457] ____cache_alloc_node+0x1c7/0x1e0 [ 311.735965] kmem_cache_alloc_node+0xe3/0x730 [ 311.740466] ? lockdep_hardirqs_on+0x296/0x5b0 [ 311.745059] __alloc_skb+0x119/0x770 [ 311.748789] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 311.754166] ? netdev_alloc_frag+0x1f0/0x1f0 [ 311.758586] ? vprintk_default+0x28/0x30 [ 311.762660] ? vprintk_func+0x85/0x181 [ 311.766546] ? printk+0xa7/0xcf [ 311.769826] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 311.774589] ? do_raw_spin_trylock+0x270/0x270 [ 311.779175] new_skb+0x26/0x1c0 [ 311.782455] aoecmd_cfg+0x279/0x7f0 [ 311.786089] ? find_held_lock+0x36/0x1c0 [ 311.790151] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 311.794535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.800084] ? __lock_is_held+0xb5/0x140 [ 311.804156] discover_timer+0x50/0x60 [ 311.807957] call_timer_fn+0x272/0x920 [ 311.811847] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 311.816706] ? process_timeout+0x40/0x40 [ 311.820795] ? mark_held_locks+0xc7/0x130 [ 311.824955] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.829449] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.833962] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 311.838809] ? lockdep_hardirqs_on+0x296/0x5b0 [ 311.843393] ? trace_hardirqs_on+0xbd/0x310 [ 311.847713] ? kasan_check_read+0x11/0x20 [ 311.851858] ? __run_timers+0x7da/0xc70 [ 311.855835] ? trace_hardirqs_off_caller+0x310/0x310 [ 311.860959] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 311.865798] __run_timers+0x7e5/0xc70 [ 311.869610] ? timer_fixup_init+0x70/0x70 [ 311.873763] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 311.878779] ? zap_class+0x640/0x640 [ 311.882501] ? print_usage_bug+0xc0/0xc0 [ 311.886565] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 311.891759] ? find_held_lock+0x36/0x1c0 [ 311.895825] ? zap_class+0x640/0x640 [ 311.899563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.905104] ? check_preemption_disabled+0x48/0x280 [ 311.910129] ? __lock_is_held+0xb5/0x140 [ 311.914195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.919751] ? check_preemption_disabled+0x48/0x280 [ 311.924775] run_timer_softirq+0x52/0xb0 [ 311.928839] ? rcu_read_lock_sched_held+0x14f/0x180 [ 311.933860] __do_softirq+0x308/0xb7e [ 311.937700] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 311.942203] ? lock_downgrade+0x900/0x900 [ 311.946360] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 311.951473] ? pvclock_read_flags+0x160/0x160 [ 311.956016] ? lapic_next_event+0x5a/0x90 [ 311.960173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.965719] ? kvm_clock_read+0x18/0x30 [ 311.969708] ? kvm_sched_clock_read+0x9/0x20 [ 311.974120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.979678] ? check_preemption_disabled+0x48/0x280 [ 311.984711] irq_exit+0x17f/0x1c0 [ 311.988169] smp_apic_timer_interrupt+0x1cb/0x760 [ 311.993013] ? smp_reschedule_interrupt+0x109/0x650 [ 311.998032] ? smp_call_function_single_interrupt+0x650/0x650 [ 312.003927] ? interrupt_entry+0xb5/0xc0 [ 312.008003] ? trace_hardirqs_off_caller+0xbb/0x310 [ 312.013022] ? trace_hardirqs_off_caller+0xbb/0x310 [ 312.018047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.022895] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.027937] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.032955] ? task_prio+0x50/0x50 [ 312.036495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.042037] ? check_preemption_disabled+0x48/0x280 [ 312.047059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.051924] apic_timer_interrupt+0xf/0x20 [ 312.056156] [ 312.058393] RIP: 0010:console_unlock+0x102f/0x1190 [ 312.063351] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 312.082247] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 312.089987] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 312.097253] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 312.104524] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 312.111800] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 312.119066] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 312.126364] ? netconsole_netdev_event+0x280/0x280 [ 312.131300] ? console_unlock+0x1026/0x1190 [ 312.135639] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 312.140329] ? lock_release+0xa00/0xa00 [ 312.144304] ? retint_kernel+0x2d/0x2d [ 312.148219] vprintk_emit+0x391/0x990 [ 312.152024] ? wake_up_klogd+0x180/0x180 [ 312.156090] ? match_held_lock+0x811/0x8d0 [ 312.160350] ? mark_held_locks+0xc7/0x130 [ 312.164524] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.169027] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.173543] vprintk_default+0x28/0x30 [ 312.177452] vprintk_func+0x7e/0x181 [ 312.181171] printk+0xa7/0xcf [ 312.184279] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 312.189042] ? _raw_spin_unlock_irq+0x60/0x80 [ 312.193550] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 312.198835] dump_header+0x7cc/0xf72 [ 312.202589] ? pagefault_out_of_memory+0x197/0x197 [ 312.207525] ? __lock_acquire+0x62f/0x4c20 [ 312.211761] ? percpu_ref_get_many+0x240/0x240 [ 312.216344] ? print_usage_bug+0xc0/0xc0 [ 312.220412] ? zap_class+0x640/0x640 [ 312.224128] ? print_usage_bug+0xc0/0xc0 [ 312.228195] ? zap_class+0x640/0x640 [ 312.231941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.237497] ? find_held_lock+0x36/0x1c0 [ 312.241565] ? mark_held_locks+0xc7/0x130 [ 312.245727] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 312.250843] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 312.255954] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 312.260538] ? trace_hardirqs_on+0xbd/0x310 [ 312.264862] ? kasan_check_read+0x11/0x20 [ 312.269011] ? ___ratelimit+0x3b4/0x672 [ 312.272993] ? trace_hardirqs_off_caller+0x310/0x310 [ 312.278099] ? trace_hardirqs_on+0x310/0x310 [ 312.282507] ? lock_downgrade+0x900/0x900 [ 312.286660] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 312.291762] ? ___ratelimit+0x3b9/0x672 [ 312.295737] ? idr_get_free+0xf70/0xf70 [ 312.299724] ? find_held_lock+0x36/0x1c0 [ 312.303808] oom_kill_process.cold.27+0x10/0x903 [ 312.308565] ? zap_class+0x640/0x640 [ 312.312280] ? check_preemption_disabled+0x48/0x280 [ 312.317297] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 312.322228] ? kasan_check_read+0x11/0x20 [ 312.326375] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 312.331654] ? oom_evaluate_task+0x540/0x540 [ 312.336072] ? find_held_lock+0x36/0x1c0 [ 312.340147] ? out_of_memory+0x974/0x1430 [ 312.344307] ? lock_downgrade+0x900/0x900 [ 312.348464] ? check_preemption_disabled+0x48/0x280 [ 312.353489] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 312.358421] ? kasan_check_read+0x11/0x20 [ 312.362571] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 312.367846] ? rcu_softirq_qs+0x20/0x20 [ 312.371824] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 312.377357] ? oom_evaluate_task+0x302/0x540 [ 312.381815] out_of_memory+0xa84/0x1430 [ 312.385831] ? oom_killer_disable+0x3a0/0x3a0 [ 312.390325] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 312.395261] ? __ww_mutex_check_waiters+0x160/0x160 [ 312.400319] __alloc_pages_slowpath+0x232c/0x2de0 [ 312.405189] ? warn_alloc+0x120/0x120 [ 312.409018] ? mark_held_locks+0x130/0x130 [ 312.413262] ? find_get_entry+0xaae/0x1120 [ 312.417506] ? filemap_map_pages+0x1a20/0x1a20 [ 312.422093] ? zap_class+0x640/0x640 [ 312.425816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.431373] ? check_preemption_disabled+0x48/0x280 [ 312.436391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.441959] ? should_fail+0x22d/0xd01 [ 312.445852] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.450961] ? zap_class+0x640/0x640 [ 312.454738] ? __lock_is_held+0xb5/0x140 [ 312.458840] ? mark_held_locks+0x130/0x130 [ 312.463077] ? lock_release+0xa00/0xa00 [ 312.467054] ? perf_trace_sched_process_exec+0x860/0x860 [ 312.472522] ? xa_load+0x2ba/0x460 [ 312.476062] ? lock_downgrade+0x900/0x900 [ 312.480219] ? __might_sleep+0x95/0x190 [ 312.484198] __alloc_pages_nodemask+0xad8/0xea0 [ 312.488898] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 312.493939] ? __page_cache_alloc+0x191/0x5c0 [ 312.498437] ? xa_load+0x2e1/0x460 [ 312.501980] ? xa_clear_mark+0x40/0x40 [ 312.505866] ? zap_class+0x640/0x640 [ 312.509595] ? zap_class+0x640/0x640 [ 312.513333] ? zap_class+0x640/0x640 [ 312.517045] ? zap_class+0x640/0x640 [ 312.520787] ? __do_page_cache_readahead+0x663/0x810 [ 312.525915] ? find_held_lock+0x36/0x1c0 [ 312.530023] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 312.535570] alloc_pages_current+0x173/0x350 [ 312.539989] __page_cache_alloc+0x38c/0x5c0 [ 312.544309] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 312.549238] ? kasan_check_read+0x11/0x20 [ 312.553383] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 312.558661] ? generic_perform_write+0x6a0/0x6a0 [ 312.563417] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.568964] ? check_preemption_disabled+0x48/0x280 [ 312.573988] filemap_fault+0x1595/0x25f0 [ 312.578066] ? __lock_page_or_retry+0xa00/0xa00 [ 312.582743] ? mark_held_locks+0x130/0x130 [ 312.587005] ? filemap_map_pages+0xd6b/0x1a20 [ 312.591509] ? lock_downgrade+0x900/0x900 [ 312.595659] ? check_preemption_disabled+0x48/0x280 [ 312.600677] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 312.605606] ? kasan_check_read+0x11/0x20 [ 312.609758] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 312.615036] ? rcu_softirq_qs+0x20/0x20 [ 312.619024] ? filemap_map_pages+0xd92/0x1a20 [ 312.623524] ? queue_work_on+0x12c/0x1e0 [ 312.627598] ? find_get_entries_tag+0x1400/0x1400 [ 312.632451] ? debug_object_destroy+0x2b0/0x2b0 [ 312.637123] ? lock_pi_update_atomic+0x150/0x150 [ 312.641887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.647454] ? lock_acquire+0x1ed/0x520 [ 312.651433] ? ext4_filemap_fault+0x7a/0xad [ 312.655762] ? lock_release+0xa00/0xa00 [ 312.659741] ? perf_trace_sched_process_exec+0x860/0x860 [ 312.665197] ? print_usage_bug+0xc0/0xc0 [ 312.669261] ? print_usage_bug+0xc0/0xc0 [ 312.673332] ? down_read+0x8d/0x120 [ 312.676962] ? ext4_filemap_fault+0x7a/0xad [ 312.681288] ? __down_interruptible+0x700/0x700 [ 312.685968] ext4_filemap_fault+0x82/0xad [ 312.690121] __do_fault+0x100/0x6b0 [ 312.694403] ? perf_tp_event+0xc20/0xc20 [ 312.698468] ? pmd_devmap_trans_unstable+0x220/0x220 [ 312.703575] ? mark_held_locks+0x130/0x130 [ 312.707811] ? mark_held_locks+0x130/0x130 [ 312.712053] ? debug_smp_processor_id+0x1c/0x20 [ 312.716723] ? perf_trace_lock+0x14d/0x7a0 [ 312.720966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.726515] __handle_mm_fault+0x3ea0/0x5be0 [ 312.730945] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 312.735793] ? lock_is_held_type+0x210/0x210 [ 312.740392] ? __switch_to_asm+0x34/0x70 [ 312.744451] ? __switch_to_asm+0x34/0x70 [ 312.748523] ? zap_class+0x640/0x640 [ 312.752235] ? zap_class+0x640/0x640 [ 312.755969] ? __x64_sys_futex+0x53e/0x6a0 [ 312.760219] ? find_held_lock+0x36/0x1c0 [ 312.764291] ? handle_mm_fault+0x42a/0xc70 [ 312.768531] ? lock_downgrade+0x900/0x900 [ 312.772679] ? check_preemption_disabled+0x48/0x280 [ 312.777704] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 312.782637] ? kasan_check_read+0x11/0x20 [ 312.786782] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 312.792059] ? rcu_softirq_qs+0x20/0x20 [ 312.796037] ? trace_hardirqs_off_caller+0x310/0x310 [ 312.801142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.806683] ? check_preemption_disabled+0x48/0x280 [ 312.811742] handle_mm_fault+0x54f/0xc70 [ 312.815815] ? __handle_mm_fault+0x5be0/0x5be0 [ 312.820398] ? find_vma+0x34/0x190 [ 312.823971] __do_page_fault+0x5e8/0xe60 [ 312.828032] ? trace_hardirqs_off+0xb8/0x310 [ 312.832447] do_page_fault+0xf2/0x7e0 [ 312.836251] ? vmalloc_sync_all+0x30/0x30 [ 312.840400] ? error_entry+0x70/0xd0 [ 312.844134] ? trace_hardirqs_off_caller+0xbb/0x310 [ 312.849149] ? trace_hardirqs_on_caller+0xc0/0x310 [ 312.854078] ? syscall_return_slowpath+0x5e0/0x5e0 [ 312.859011] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.863860] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.868877] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.874344] ? prepare_exit_to_usermode+0x291/0x3b0 [ 312.879364] ? page_fault+0x8/0x30 [ 312.882921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.887768] ? page_fault+0x8/0x30 [ 312.891309] page_fault+0x1e/0x30 [ 312.894772] RIP: 0033:0x45ddf3 [ 312.897973] Code: Bad RIP value. [ 312.901335] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 312.906694] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 312.913963] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 312.921230] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 312.928506] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 312.935772] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 312.943062] warn_alloc_show_mem: 1 callbacks suppressed [ 312.943074] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 312.943076] Mem-Info: [ 312.943106] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 312.943106] active_file:10 inactive_file:13 isolated_file:0 [ 312.943106] unevictable:0 dirty:0 writeback:0 unstable:0 [ 312.943106] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 312.943106] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 312.943106] free:13776 free_pcp:523 free_cma:0 [ 312.948463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.955478] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 312.957876] Call Trace: [ 312.990922] 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 [ 313.000263] [ 313.027922] lowmem_reserve[]: 0 2818 6321 6321 [ 313.030506] dump_stack+0x244/0x39d [ 313.056590] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 313.058740] ? dump_stack_print_info.cold.1+0x20/0x20 [ 313.063294] lowmem_reserve[]: 0 0 3503 3503 [ 313.066958] warn_alloc.cold.116+0xb7/0x1bd [ 313.094250] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 313.099434] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 313.103725] lowmem_reserve[]: 0 0 0 0 [ 313.108041] ? lock_downgrade+0x900/0x900 [ 313.137084] 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 [ 313.141940] ? trace_hardirqs_off+0xb8/0x310 [ 313.145714] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 313.149860] ? trace_hardirqs_off+0xb8/0x310 [ 313.163362] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 313.167771] __alloc_pages_slowpath+0x2651/0x2de0 [ 313.182835] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 313.187255] ? warn_alloc+0x120/0x120 [ 313.201606] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 313.206437] ? print_usage_bug+0xc0/0xc0 [ 313.215242] 1516 total pagecache pages [ 313.219036] ? warn_alloc+0x120/0x120 [ 313.227594] 0 pages in swap cache [ 313.231641] ? warn_alloc+0x120/0x120 [ 313.235509] Swap cache stats: add 0, delete 0, find 0/0 [ 313.239297] ? print_usage_bug+0xc0/0xc0 [ 313.242720] Free swap = 0kB [ 313.242729] Total swap = 0kB [ 313.246525] ? kvm_clock_read+0x18/0x30 [ 313.251862] 1965979 pages RAM [ 313.255924] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 313.258939] 0 pages HighMem/MovableOnly [ 313.261952] ? print_usage_bug+0xc0/0xc0 [ 313.265900] 342854 pages reserved [ 313.269008] ? __lock_acquire+0x62f/0x4c20 [ 313.274016] 0 pages cma reserved [ 313.277988] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.282089] aoe: skb alloc failure [ 313.285468] ? should_fail+0x22d/0xd01 [ 313.289834] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 313.293106] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.298619] syz-fuzzer cpuset=/ mems_allowed=0 [ 313.302151] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.331138] ? __lock_acquire+0x62f/0x4c20 [ 313.335377] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.340487] ? __lock_acquire+0x62f/0x4c20 [ 313.344732] ? should_fail+0x22d/0xd01 [ 313.348631] ? rcu_irq_exit+0x1a2/0x390 [ 313.352615] ? mark_held_locks+0x130/0x130 [ 313.356857] ? mark_held_locks+0x130/0x130 [ 313.361103] ? mark_held_locks+0xc7/0x130 [ 313.365252] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 313.370268] ? zap_class+0x640/0x640 [ 313.373985] ? print_usage_bug+0xc0/0xc0 [ 313.378050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.383595] ? check_preemption_disabled+0x48/0x280 [ 313.388621] ? __lock_is_held+0xb5/0x140 [ 313.392703] __alloc_pages_nodemask+0xad8/0xea0 [ 313.397371] ? zap_class+0x640/0x640 [ 313.401093] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 313.406123] ? find_held_lock+0x36/0x1c0 [ 313.410196] ? ____cache_alloc_node+0x1c7/0x1e0 [ 313.414864] ? lock_downgrade+0x900/0x900 [ 313.419042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.424585] cache_grow_begin+0xa5/0x8c0 [ 313.428646] ? do_raw_spin_unlock+0xa7/0x330 [ 313.433065] fallback_alloc+0x204/0x2e0 [ 313.437067] ____cache_alloc_node+0x1c7/0x1e0 [ 313.441572] kmem_cache_alloc_node+0xe3/0x730 [ 313.446080] ? ipv6_get_ifaddr+0x42e/0x620 [ 313.450326] __alloc_skb+0x119/0x770 [ 313.454039] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.459325] ? netdev_alloc_frag+0x1f0/0x1f0 [ 313.463732] ? lock_downgrade+0x900/0x900 [ 313.467893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.473443] ? refcount_sub_and_test_checked+0x203/0x310 [ 313.478897] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 313.484357] ? addrconf_rs_timer+0x690/0x690 [ 313.488777] ndisc_alloc_skb+0x144/0x340 [ 313.492846] ndisc_send_rs+0x331/0x6e0 [ 313.496745] addrconf_rs_timer+0x314/0x690 [ 313.500989] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.505258] call_timer_fn+0x272/0x920 [ 313.509146] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.513380] ? process_timeout+0x40/0x40 [ 313.517457] ? mark_held_locks+0xc7/0x130 [ 313.521617] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.526111] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.530622] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.534873] ? lockdep_hardirqs_on+0x296/0x5b0 [ 313.539493] ? trace_hardirqs_on+0xbd/0x310 [ 313.543827] ? kasan_check_read+0x11/0x20 [ 313.547971] ? __run_timers+0x7da/0xc70 [ 313.551952] ? trace_hardirqs_off_caller+0x310/0x310 [ 313.557060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.561304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.565550] __run_timers+0x7e5/0xc70 [ 313.569374] ? timer_fixup_init+0x70/0x70 [ 313.573527] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 313.578558] ? zap_class+0x640/0x640 [ 313.582277] ? print_usage_bug+0xc0/0xc0 [ 313.586343] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 313.591543] ? find_held_lock+0x36/0x1c0 [ 313.595611] ? zap_class+0x640/0x640 [ 313.599331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.604997] ? check_preemption_disabled+0x48/0x280 [ 313.610024] ? __lock_is_held+0xb5/0x140 [ 313.614089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.619631] ? check_preemption_disabled+0x48/0x280 [ 313.624651] run_timer_softirq+0x52/0xb0 [ 313.628718] ? rcu_read_lock_sched_held+0x14f/0x180 [ 313.633737] __do_softirq+0x308/0xb7e [ 313.637578] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 313.642085] ? lock_downgrade+0x900/0x900 [ 313.646237] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 313.651350] ? pvclock_read_flags+0x160/0x160 [ 313.655887] ? lapic_next_event+0x5a/0x90 [ 313.660081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.665622] ? kvm_clock_read+0x18/0x30 [ 313.669609] ? kvm_sched_clock_read+0x9/0x20 [ 313.674022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.679562] ? check_preemption_disabled+0x48/0x280 [ 313.684587] irq_exit+0x17f/0x1c0 [ 313.688054] smp_apic_timer_interrupt+0x1cb/0x760 [ 313.692938] ? smp_reschedule_interrupt+0x109/0x650 [ 313.697972] ? smp_call_function_single_interrupt+0x650/0x650 [ 313.703855] ? interrupt_entry+0xb5/0xc0 [ 313.707924] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.712940] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.717963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.722806] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.727861] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.732920] ? task_prio+0x50/0x50 [ 313.736464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.742014] ? check_preemption_disabled+0x48/0x280 [ 313.747040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.751892] apic_timer_interrupt+0xf/0x20 [ 313.756134] [ 313.758375] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 313.763304] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 313.782201] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 313.789918] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 313.797185] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 313.804456] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 313.811733] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 313.819002] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 313.826299] rcu_read_lock_held+0xa9/0xc0 [ 313.830454] list_lru_count_one+0x31a/0x450 [ 313.834782] ? list_lru_isolate_move+0x3c0/0x3c0 [ 313.839543] ? deferred_split_count+0x65/0x170 [ 313.844136] ? shrink_huge_zero_page_count+0xc8/0x100 [ 313.849334] super_cache_count+0x153/0x2e0 [ 313.853575] do_shrink_slab+0x1b1/0xd30 [ 313.857554] ? lock_acquire+0x1ed/0x520 [ 313.861536] ? snapshot_refaults+0x290/0x290 [ 313.865951] ? lock_release+0xa00/0xa00 [ 313.869942] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 313.874896] ? down_read_trylock+0xda/0x140 [ 313.879226] ? shrink_slab+0x207/0x8c0 [ 313.883115] ? downgrade_write+0x270/0x270 [ 313.887364] shrink_slab+0x389/0x8c0 [ 313.891082] ? shrink_active_list+0x1f00/0x1f00 [ 313.895777] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 313.901416] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 313.906532] ? cgroup_procs_write_finish+0xf0/0xf0 [ 313.911469] ? find_held_lock+0x36/0x1c0 [ 313.915541] shrink_node+0x431/0x16b0 [ 313.919357] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 313.924661] ? shrink_node_memcg+0x18f0/0x18f0 [ 313.929247] ? kvm_clock_read+0x18/0x30 [ 313.933222] ? ktime_get+0x2c1/0x400 [ 313.936962] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 313.941476] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 313.947042] ? __cpuset_node_allowed+0x19b/0x660 [ 313.951802] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 313.957513] ? delayacct_end+0x5a/0x100 [ 313.961499] do_try_to_free_pages+0x3e7/0x1290 [ 313.966089] ? zap_class+0x640/0x640 [ 313.969825] ? shrink_node+0x16b0/0x16b0 [ 313.973892] ? __lock_is_held+0xb5/0x140 [ 313.977974] try_to_free_pages+0x4d0/0xb90 [ 313.982212] ? do_try_to_free_pages+0x1290/0x1290 [ 313.987066] ? lock_acquire+0x1ed/0x520 [ 313.991040] ? set_page_refcounted+0x280/0x280 [ 313.995627] ? lock_release+0xa00/0xa00 [ 313.999613] ? _raw_spin_unlock_irq+0x60/0x80 [ 314.004108] ? psi_memstall_enter+0x240/0x2b0 [ 314.008604] ? psi_memstall_tick+0x230/0x230 [ 314.013025] __alloc_pages_slowpath+0xa48/0x2de0 [ 314.017813] ? warn_alloc+0x120/0x120 [ 314.021654] ? mark_held_locks+0x130/0x130 [ 314.025893] ? find_get_entry+0xaae/0x1120 [ 314.030144] ? filemap_map_pages+0x1a20/0x1a20 [ 314.034740] ? zap_class+0x640/0x640 [ 314.038463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.044006] ? check_preemption_disabled+0x48/0x280 [ 314.049022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.054558] ? should_fail+0x22d/0xd01 [ 314.058459] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.063570] ? zap_class+0x640/0x640 [ 314.067311] ? __lock_is_held+0xb5/0x140 [ 314.071379] ? mark_held_locks+0x130/0x130 [ 314.075616] ? lock_release+0xa00/0xa00 [ 314.079593] ? perf_trace_sched_process_exec+0x860/0x860 [ 314.085046] ? xa_load+0x2ba/0x460 [ 314.088589] ? lock_downgrade+0x900/0x900 [ 314.092741] ? __might_sleep+0x95/0x190 [ 314.096719] __alloc_pages_nodemask+0xad8/0xea0 [ 314.101395] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 314.106441] ? __page_cache_alloc+0x191/0x5c0 [ 314.110972] ? xa_load+0x2e1/0x460 [ 314.114516] ? xa_clear_mark+0x40/0x40 [ 314.118406] ? zap_class+0x640/0x640 [ 314.122132] ? zap_class+0x640/0x640 [ 314.125844] ? zap_class+0x640/0x640 [ 314.129556] ? __do_page_cache_readahead+0x663/0x810 [ 314.134668] ? find_held_lock+0x36/0x1c0 [ 314.138737] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 314.144282] alloc_pages_current+0x173/0x350 [ 314.148696] __page_cache_alloc+0x38c/0x5c0 [ 314.153019] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 314.157967] ? kasan_check_read+0x11/0x20 [ 314.162143] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 314.167429] ? generic_perform_write+0x6a0/0x6a0 [ 314.172285] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.177829] ? check_preemption_disabled+0x48/0x280 [ 314.182854] filemap_fault+0x1595/0x25f0 [ 314.186940] ? __lock_page_or_retry+0xa00/0xa00 [ 314.191634] ? mark_held_locks+0x130/0x130 [ 314.196001] ? filemap_map_pages+0xd6b/0x1a20 [ 314.200504] ? lock_downgrade+0x900/0x900 [ 314.204652] ? check_preemption_disabled+0x48/0x280 [ 314.209669] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 314.214600] ? kasan_check_read+0x11/0x20 [ 314.218747] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 314.224023] ? rcu_softirq_qs+0x20/0x20 [ 314.228026] ? filemap_map_pages+0xd92/0x1a20 [ 314.232531] ? print_usage_bug+0xc0/0xc0 [ 314.236602] ? find_get_entries_tag+0x1400/0x1400 [ 314.241449] ? __kasan_slab_free+0x102/0x150 [ 314.245896] ? kasan_slab_free+0xe/0x10 [ 314.249900] ? kmem_cache_free+0x83/0x290 [ 314.254058] ? __sigqueue_free.part.29+0x74/0x90 [ 314.258843] ? lock_acquire+0x1ed/0x520 [ 314.262817] ? ext4_filemap_fault+0x7a/0xad [ 314.267145] ? lock_release+0xa00/0xa00 [ 314.271124] ? perf_trace_sched_process_exec+0x860/0x860 [ 314.276579] ? print_usage_bug+0xc0/0xc0 [ 314.280642] ? print_usage_bug+0xc0/0xc0 [ 314.284723] ? down_read+0x8d/0x120 [ 314.288348] ? ext4_filemap_fault+0x7a/0xad [ 314.292667] ? __down_interruptible+0x700/0x700 [ 314.297349] ext4_filemap_fault+0x82/0xad [ 314.301500] __do_fault+0x100/0x6b0 [ 314.305138] ? pmd_devmap_trans_unstable+0x220/0x220 [ 314.310245] ? mark_held_locks+0x130/0x130 [ 314.314477] ? mark_held_locks+0x130/0x130 [ 314.318721] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 314.324261] ? rcu_pm_notify+0xc0/0xc0 [ 314.328156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.333701] __handle_mm_fault+0x3ea0/0x5be0 [ 314.338118] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 314.342970] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.347466] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 314.352052] ? trace_hardirqs_on+0xbd/0x310 [ 314.356377] ? kasan_check_read+0x11/0x20 [ 314.360528] ? __set_current_blocked+0xdf/0x120 [ 314.365200] ? trace_hardirqs_off_caller+0x310/0x310 [ 314.370331] ? zap_class+0x640/0x640 [ 314.374057] ? zap_class+0x640/0x640 [ 314.377777] ? find_held_lock+0x36/0x1c0 [ 314.381850] ? handle_mm_fault+0x42a/0xc70 [ 314.386088] ? lock_downgrade+0x900/0x900 [ 314.390265] ? check_preemption_disabled+0x48/0x280 [ 314.395284] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 314.400216] ? kasan_check_read+0x11/0x20 [ 314.404364] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 314.409640] ? rcu_softirq_qs+0x20/0x20 [ 314.413633] ? trace_hardirqs_off_caller+0x310/0x310 [ 314.418747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.424288] ? check_preemption_disabled+0x48/0x280 [ 314.429319] handle_mm_fault+0x54f/0xc70 [ 314.433384] ? __handle_mm_fault+0x5be0/0x5be0 [ 314.437976] ? find_vma+0x34/0x190 [ 314.441522] __do_page_fault+0x5e8/0xe60 [ 314.445601] ? exit_to_usermode_loop+0x1f4/0x380 [ 314.450395] do_page_fault+0xf2/0x7e0 [ 314.454222] ? vmalloc_sync_all+0x30/0x30 [ 314.458403] ? error_entry+0x70/0xd0 [ 314.462151] ? trace_hardirqs_off_caller+0xbb/0x310 [ 314.467170] ? trace_hardirqs_on_caller+0xc0/0x310 [ 314.472104] ? syscall_return_slowpath+0x5e0/0x5e0 [ 314.477033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.481876] ? trace_hardirqs_on_caller+0x310/0x310 [ 314.486897] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.492361] ? prepare_exit_to_usermode+0x291/0x3b0 [ 314.497375] ? page_fault+0x8/0x30 [ 314.500928] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.505775] ? page_fault+0x8/0x30 [ 314.509315] page_fault+0x1e/0x30 [ 314.512795] RIP: 0033:0x45db60 [ 314.516016] Code: Bad RIP value. [ 314.519377] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 314.524736] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 314.532008] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 314.539275] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 314.546545] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 314.553812] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 314.561110] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 314.561184] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 314.568127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.568132] Call Trace: [ 314.568139] [ 314.568158] dump_stack+0x244/0x39d [ 314.568177] ? dump_stack_print_info.cold.1+0x20/0x20 [ 314.574710] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 314.584012] warn_alloc.cold.116+0xb7/0x1bd [ 314.586565] syz-fuzzer cpuset=/ mems_allowed=0 [ 314.588708] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 314.621401] ? lock_downgrade+0x900/0x900 [ 314.625573] ? trace_hardirqs_off+0xb8/0x310 [ 314.629992] ? trace_hardirqs_off+0xb8/0x310 [ 314.634408] __alloc_pages_slowpath+0x2651/0x2de0 [ 314.639283] ? warn_alloc+0x120/0x120 [ 314.643088] ? warn_alloc+0x120/0x120 [ 314.646961] ? warn_alloc+0x120/0x120 [ 314.650765] ? print_usage_bug+0xc0/0xc0 [ 314.654827] ? print_usage_bug+0xc0/0xc0 [ 314.658887] ? ktime_get+0x2c1/0x400 [ 314.662630] ? check_preemption_disabled+0x48/0x280 [ 314.667657] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 314.672155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.677710] ? should_fail+0x22d/0xd01 [ 314.681599] ? kasan_check_read+0x11/0x20 [ 314.685763] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.690867] ? __lock_acquire+0x62f/0x4c20 [ 314.695109] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.700210] ? should_fail+0x22d/0xd01 [ 314.704097] ? print_usage_bug+0xc0/0xc0 [ 314.708166] ? mark_held_locks+0x130/0x130 [ 314.712403] ? mark_held_locks+0x130/0x130 [ 314.716638] ? check_preemption_disabled+0x48/0x280 [ 314.721674] ? zap_class+0x640/0x640 [ 314.725401] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 314.730160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.735700] ? check_preemption_disabled+0x48/0x280 [ 314.740939] ? __lock_is_held+0xb5/0x140 [ 314.745010] __alloc_pages_nodemask+0xad8/0xea0 [ 314.749681] ? zap_class+0x640/0x640 [ 314.753404] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 314.758432] ? find_held_lock+0x36/0x1c0 [ 314.762519] ? ____cache_alloc_node+0x1c7/0x1e0 [ 314.767221] ? lock_downgrade+0x900/0x900 [ 314.771383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.777045] cache_grow_begin+0xa5/0x8c0 [ 314.781107] ? do_raw_spin_unlock+0xa7/0x330 [ 314.785520] fallback_alloc+0x204/0x2e0 [ 314.789537] ____cache_alloc_node+0x1c7/0x1e0 [ 314.794040] kmem_cache_alloc_node+0xe3/0x730 [ 314.798538] ? lockdep_hardirqs_on+0x296/0x5b0 [ 314.803129] __alloc_skb+0x119/0x770 [ 314.806844] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 314.812212] ? netdev_alloc_frag+0x1f0/0x1f0 [ 314.816633] ? vprintk_default+0x28/0x30 [ 314.820694] ? vprintk_func+0x85/0x181 [ 314.824583] ? printk+0xa7/0xcf [ 314.827870] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 314.832632] ? do_raw_spin_trylock+0x270/0x270 [ 314.837234] new_skb+0x26/0x1c0 [ 314.840517] aoecmd_cfg+0x279/0x7f0 [ 314.844158] ? find_held_lock+0x36/0x1c0 [ 314.848228] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 314.852555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.858109] ? __lock_is_held+0xb5/0x140 [ 314.862181] discover_timer+0x50/0x60 [ 314.865981] call_timer_fn+0x272/0x920 [ 314.869895] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 314.874752] ? process_timeout+0x40/0x40 [ 314.878822] ? mark_held_locks+0xc7/0x130 [ 314.882974] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.887488] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.891986] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 314.896830] ? lockdep_hardirqs_on+0x296/0x5b0 [ 314.901418] ? trace_hardirqs_on+0xbd/0x310 [ 314.905741] ? kasan_check_read+0x11/0x20 [ 314.909889] ? __run_timers+0x7da/0xc70 [ 314.913876] ? trace_hardirqs_off_caller+0x310/0x310 [ 314.919003] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 314.923848] __run_timers+0x7e5/0xc70 [ 314.927658] ? timer_fixup_init+0x70/0x70 [ 314.931838] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 314.936854] ? zap_class+0x640/0x640 [ 314.940576] ? print_usage_bug+0xc0/0xc0 [ 314.944638] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 314.949833] ? find_held_lock+0x36/0x1c0 [ 314.953898] ? zap_class+0x640/0x640 [ 314.957631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.963180] ? check_preemption_disabled+0x48/0x280 [ 314.968209] ? __lock_is_held+0xb5/0x140 [ 314.972321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.977871] ? check_preemption_disabled+0x48/0x280 [ 314.982945] run_timer_softirq+0x52/0xb0 [ 314.987010] ? rcu_read_lock_sched_held+0x14f/0x180 [ 314.992033] __do_softirq+0x308/0xb7e [ 314.995839] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 315.000332] ? lock_downgrade+0x900/0x900 [ 315.004490] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 315.009604] ? pvclock_read_flags+0x160/0x160 [ 315.014111] ? lapic_next_event+0x5a/0x90 [ 315.018262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.023805] ? kvm_clock_read+0x18/0x30 [ 315.027778] ? kvm_sched_clock_read+0x9/0x20 [ 315.032208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.037748] ? check_preemption_disabled+0x48/0x280 [ 315.042774] irq_exit+0x17f/0x1c0 [ 315.046230] smp_apic_timer_interrupt+0x1cb/0x760 [ 315.051095] ? smp_reschedule_interrupt+0x109/0x650 [ 315.056114] ? smp_call_function_single_interrupt+0x650/0x650 [ 315.062003] ? interrupt_entry+0xb5/0xc0 [ 315.066067] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.071087] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.076106] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.080951] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.085966] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.090999] ? task_prio+0x50/0x50 [ 315.094542] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.100082] ? check_preemption_disabled+0x48/0x280 [ 315.105108] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.109962] apic_timer_interrupt+0xf/0x20 [ 315.114199] [ 315.116436] RIP: 0010:console_unlock+0x102f/0x1190 [ 315.121373] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 315.140274] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 315.147986] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 315.155265] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 315.162531] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 315.169799] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 315.177069] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 315.184351] ? netconsole_netdev_event+0x280/0x280 [ 315.189289] ? console_unlock+0x1026/0x1190 [ 315.193631] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 315.198321] ? lock_release+0xa00/0xa00 [ 315.202297] ? retint_kernel+0x2d/0x2d [ 315.206202] vprintk_emit+0x391/0x990 [ 315.210009] ? wake_up_klogd+0x180/0x180 [ 315.214079] ? match_held_lock+0x811/0x8d0 [ 315.218323] ? mark_held_locks+0xc7/0x130 [ 315.222478] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.226981] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.231484] vprintk_default+0x28/0x30 [ 315.235402] vprintk_func+0x7e/0x181 [ 315.239122] printk+0xa7/0xcf [ 315.242231] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 315.247001] ? _raw_spin_unlock_irq+0x60/0x80 [ 315.251521] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 315.256811] dump_header+0x7cc/0xf72 [ 315.260536] ? pagefault_out_of_memory+0x197/0x197 [ 315.265473] ? __lock_acquire+0x62f/0x4c20 [ 315.269712] ? percpu_ref_get_many+0x240/0x240 [ 315.274301] ? print_usage_bug+0xc0/0xc0 [ 315.278370] ? zap_class+0x640/0x640 [ 315.282086] ? print_usage_bug+0xc0/0xc0 [ 315.286148] ? zap_class+0x640/0x640 [ 315.289872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.295412] ? find_held_lock+0x36/0x1c0 [ 315.299483] ? mark_held_locks+0xc7/0x130 [ 315.303634] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 315.308740] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 315.313847] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 315.318449] ? trace_hardirqs_on+0xbd/0x310 [ 315.322824] ? kasan_check_read+0x11/0x20 [ 315.326982] ? ___ratelimit+0x3b4/0x672 [ 315.330968] ? trace_hardirqs_off_caller+0x310/0x310 [ 315.336077] ? trace_hardirqs_on+0x310/0x310 [ 315.340508] ? lock_downgrade+0x900/0x900 [ 315.344666] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 315.349782] ? ___ratelimit+0x3b9/0x672 [ 315.353766] ? idr_get_free+0xf70/0xf70 [ 315.357749] ? find_held_lock+0x36/0x1c0 [ 315.361848] oom_kill_process.cold.27+0x10/0x903 [ 315.366606] ? zap_class+0x640/0x640 [ 315.370325] ? check_preemption_disabled+0x48/0x280 [ 315.375354] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 315.380307] ? kasan_check_read+0x11/0x20 [ 315.384467] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 315.389745] ? oom_evaluate_task+0x540/0x540 [ 315.394158] ? find_held_lock+0x36/0x1c0 [ 315.398244] ? out_of_memory+0x974/0x1430 [ 315.402395] ? lock_downgrade+0x900/0x900 [ 315.406549] ? check_preemption_disabled+0x48/0x280 [ 315.411570] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 315.416499] ? kasan_check_read+0x11/0x20 [ 315.420654] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 315.425945] ? rcu_softirq_qs+0x20/0x20 [ 315.429970] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 315.435509] ? oom_evaluate_task+0x302/0x540 [ 315.439940] out_of_memory+0xa84/0x1430 [ 315.443940] ? oom_killer_disable+0x3a0/0x3a0 [ 315.448443] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 315.453377] ? __ww_mutex_check_waiters+0x160/0x160 [ 315.458403] __alloc_pages_slowpath+0x232c/0x2de0 [ 315.463274] ? warn_alloc+0x120/0x120 [ 315.467084] ? mark_held_locks+0x130/0x130 [ 315.471330] ? find_get_entry+0xaae/0x1120 [ 315.475599] ? filemap_map_pages+0x1a20/0x1a20 [ 315.480194] ? zap_class+0x640/0x640 [ 315.483928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.489473] ? check_preemption_disabled+0x48/0x280 [ 315.494505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.500043] ? should_fail+0x22d/0xd01 [ 315.503956] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.509074] ? zap_class+0x640/0x640 [ 315.512814] ? __lock_is_held+0xb5/0x140 [ 315.516881] ? mark_held_locks+0x130/0x130 [ 315.521145] ? lock_release+0xa00/0xa00 [ 315.525126] ? perf_trace_sched_process_exec+0x860/0x860 [ 315.530579] ? xa_load+0x2ba/0x460 [ 315.534119] ? lock_downgrade+0x900/0x900 [ 315.538274] ? __might_sleep+0x95/0x190 [ 315.542253] __alloc_pages_nodemask+0xad8/0xea0 [ 315.546946] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 315.551968] ? __page_cache_alloc+0x191/0x5c0 [ 315.556477] ? xa_load+0x2e1/0x460 [ 315.560018] ? xa_clear_mark+0x40/0x40 [ 315.563932] ? zap_class+0x640/0x640 [ 315.567650] ? zap_class+0x640/0x640 [ 315.571371] ? zap_class+0x640/0x640 [ 315.575087] ? zap_class+0x640/0x640 [ 315.578802] ? __do_page_cache_readahead+0x663/0x810 [ 315.583917] ? find_held_lock+0x36/0x1c0 [ 315.587994] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 315.593539] alloc_pages_current+0x173/0x350 [ 315.597969] __page_cache_alloc+0x38c/0x5c0 [ 315.602289] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 315.607752] ? kasan_check_read+0x11/0x20 [ 315.611901] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 315.617195] ? generic_perform_write+0x6a0/0x6a0 [ 315.621954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.627495] ? check_preemption_disabled+0x48/0x280 [ 315.632522] filemap_fault+0x1595/0x25f0 [ 315.636597] ? __lock_page_or_retry+0xa00/0xa00 [ 315.641268] ? mark_held_locks+0x130/0x130 [ 315.645522] ? filemap_map_pages+0xd6b/0x1a20 [ 315.650047] ? lock_downgrade+0x900/0x900 [ 315.654199] ? check_preemption_disabled+0x48/0x280 [ 315.659218] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 315.664147] ? kasan_check_read+0x11/0x20 [ 315.668295] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 315.673583] ? rcu_softirq_qs+0x20/0x20 [ 315.677586] ? filemap_map_pages+0xd92/0x1a20 [ 315.682089] ? queue_work_on+0x12c/0x1e0 [ 315.686159] ? find_get_entries_tag+0x1400/0x1400 [ 315.691005] ? debug_object_destroy+0x2b0/0x2b0 [ 315.695681] ? lock_pi_update_atomic+0x150/0x150 [ 315.700440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.705990] ? lock_acquire+0x1ed/0x520 [ 315.709977] ? ext4_filemap_fault+0x7a/0xad [ 315.714307] ? lock_release+0xa00/0xa00 [ 315.718283] ? perf_trace_sched_process_exec+0x860/0x860 [ 315.723738] ? print_usage_bug+0xc0/0xc0 [ 315.727801] ? print_usage_bug+0xc0/0xc0 [ 315.731872] ? down_read+0x8d/0x120 [ 315.735496] ? ext4_filemap_fault+0x7a/0xad [ 315.739840] ? __down_interruptible+0x700/0x700 [ 315.744550] ext4_filemap_fault+0x82/0xad [ 315.748706] __do_fault+0x100/0x6b0 [ 315.752337] ? perf_tp_event+0xc20/0xc20 [ 315.756419] ? pmd_devmap_trans_unstable+0x220/0x220 [ 315.761554] ? mark_held_locks+0x130/0x130 [ 315.765798] ? mark_held_locks+0x130/0x130 [ 315.770038] ? debug_smp_processor_id+0x1c/0x20 [ 315.774705] ? perf_trace_lock+0x14d/0x7a0 [ 315.778983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.784583] __handle_mm_fault+0x3ea0/0x5be0 [ 315.789004] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 315.793847] ? lock_is_held_type+0x210/0x210 [ 315.798262] ? __switch_to_asm+0x34/0x70 [ 315.802321] ? __switch_to_asm+0x34/0x70 [ 315.806391] ? zap_class+0x640/0x640 [ 315.810114] ? zap_class+0x640/0x640 [ 315.813825] ? __x64_sys_futex+0x53e/0x6a0 [ 315.818078] ? find_held_lock+0x36/0x1c0 [ 315.822151] ? handle_mm_fault+0x42a/0xc70 [ 315.826396] ? lock_downgrade+0x900/0x900 [ 315.830543] ? check_preemption_disabled+0x48/0x280 [ 315.835562] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 315.840495] ? kasan_check_read+0x11/0x20 [ 315.844643] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 315.849936] ? rcu_softirq_qs+0x20/0x20 [ 315.853924] ? trace_hardirqs_off_caller+0x310/0x310 [ 315.859030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.864569] ? check_preemption_disabled+0x48/0x280 [ 315.869592] handle_mm_fault+0x54f/0xc70 [ 315.873682] ? __handle_mm_fault+0x5be0/0x5be0 [ 315.878272] ? find_vma+0x34/0x190 [ 315.881818] __do_page_fault+0x5e8/0xe60 [ 315.885878] ? trace_hardirqs_off+0xb8/0x310 [ 315.890305] do_page_fault+0xf2/0x7e0 [ 315.894107] ? vmalloc_sync_all+0x30/0x30 [ 315.898257] ? error_entry+0x70/0xd0 [ 315.901980] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.906998] ? trace_hardirqs_on_caller+0xc0/0x310 [ 315.911942] ? syscall_return_slowpath+0x5e0/0x5e0 [ 315.916881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.921756] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.926779] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.932252] ? prepare_exit_to_usermode+0x291/0x3b0 [ 315.937284] ? page_fault+0x8/0x30 [ 315.940838] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.945684] ? page_fault+0x8/0x30 [ 315.949225] page_fault+0x1e/0x30 [ 315.952675] RIP: 0033:0x45ddf3 [ 315.955916] Code: Bad RIP value. [ 315.959284] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 315.964656] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 315.971931] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 315.979211] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 315.986490] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 315.993759] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 316.001055] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 316.001060] warn_alloc_show_mem: 1 callbacks suppressed [ 316.001067] Mem-Info: [ 316.008087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.013455] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 316.013455] active_file:10 inactive_file:13 isolated_file:0 [ 316.013455] unevictable:0 dirty:0 writeback:0 unstable:0 [ 316.013455] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 316.013455] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 316.013455] free:13776 free_pcp:523 free_cma:0 [ 316.015831] Call Trace: [ 316.025226] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 316.058240] [ 316.060810] 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 [ 316.088477] dump_stack+0x244/0x39d [ 316.090602] lowmem_reserve[]: 0 2818 6321 6321 [ 316.116714] ? dump_stack_print_info.cold.1+0x20/0x20 [ 316.120314] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 316.124896] warn_alloc.cold.116+0xb7/0x1bd [ 316.130056] lowmem_reserve[]: 0 0 3503 3503 [ 316.157386] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 316.161685] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 316.166004] ? lock_downgrade+0x900/0x900 [ 316.170827] lowmem_reserve[]: 0 0 0 0 [ 316.199892] ? trace_hardirqs_off+0xb8/0x310 [ 316.204023] 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 [ 316.207841] ? trace_hardirqs_off+0xb8/0x310 [ 316.212222] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 316.225746] __alloc_pages_slowpath+0x2651/0x2de0 [ 316.230125] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 316.245229] ? warn_alloc+0x120/0x120 [ 316.250031] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 316.264428] ? print_usage_bug+0xc0/0xc0 [ 316.268202] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 316.277024] ? warn_alloc+0x120/0x120 [ 316.281063] 1516 total pagecache pages [ 316.289630] ? warn_alloc+0x120/0x120 [ 316.293411] 0 pages in swap cache [ 316.297288] ? print_usage_bug+0xc0/0xc0 [ 316.301064] Swap cache stats: add 0, delete 0, find 0/0 [ 316.304507] ? print_usage_bug+0xc0/0xc0 [ 316.308541] Free swap = 0kB [ 316.313900] ? __lock_acquire+0x62f/0x4c20 [ 316.317950] Total swap = 0kB [ 316.320969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.325178] 1965979 pages RAM [ 316.328194] ? should_fail+0x22d/0xd01 [ 316.333707] 0 pages HighMem/MovableOnly [ 316.336812] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.340673] 342854 pages reserved [ 316.344642] ? __lock_acquire+0x62f/0x4c20 [ 316.349744] 0 pages cma reserved [ 316.353193] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.357459] aoe: skb alloc failure [ 316.360757] ? __lock_acquire+0x62f/0x4c20 [ 316.360773] ? should_fail+0x22d/0xd01 [ 316.365897] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 316.369397] ? find_held_lock+0x36/0x1c0 [ 316.373605] syz-fuzzer cpuset=/ mems_allowed=0 [ 316.377488] ? mark_held_locks+0x130/0x130 [ 316.400563] ? mark_held_locks+0x130/0x130 [ 316.404794] ? zap_class+0x640/0x640 [ 316.408510] ? zap_class+0x640/0x640 [ 316.412230] ? print_usage_bug+0xc0/0xc0 [ 316.416294] ? do_raw_spin_unlock+0xa7/0x330 [ 316.420703] ? zap_class+0x640/0x640 [ 316.424425] ? print_usage_bug+0xc0/0xc0 [ 316.428500] ? wq_watchdog_touch+0x9c/0xfe [ 316.432748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.438289] ? check_preemption_disabled+0x48/0x280 [ 316.443318] ? __lock_is_held+0xb5/0x140 [ 316.447388] __alloc_pages_nodemask+0xad8/0xea0 [ 316.452062] ? zap_class+0x640/0x640 [ 316.455800] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 316.460831] ? find_held_lock+0x36/0x1c0 [ 316.464921] ? ____cache_alloc_node+0x1c7/0x1e0 [ 316.469601] ? lock_downgrade+0x900/0x900 [ 316.473758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.479310] cache_grow_begin+0xa5/0x8c0 [ 316.483369] ? do_raw_spin_unlock+0xa7/0x330 [ 316.487790] fallback_alloc+0x204/0x2e0 [ 316.491771] ____cache_alloc_node+0x1c7/0x1e0 [ 316.496274] kmem_cache_alloc_node+0xe3/0x730 [ 316.500770] ? ipv6_get_ifaddr+0x42e/0x620 [ 316.505015] __alloc_skb+0x119/0x770 [ 316.508728] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 316.514011] ? netdev_alloc_frag+0x1f0/0x1f0 [ 316.518422] ? lock_downgrade+0x900/0x900 [ 316.522578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.528114] ? refcount_sub_and_test_checked+0x203/0x310 [ 316.533568] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 316.539036] ? addrconf_rs_timer+0x690/0x690 [ 316.543459] ndisc_alloc_skb+0x144/0x340 [ 316.547524] ndisc_send_rs+0x331/0x6e0 [ 316.551436] addrconf_rs_timer+0x314/0x690 [ 316.555679] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.559930] call_timer_fn+0x272/0x920 [ 316.563820] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.568054] ? process_timeout+0x40/0x40 [ 316.572179] ? mark_held_locks+0xc7/0x130 [ 316.576329] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.580835] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.585326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.589574] ? lockdep_hardirqs_on+0x296/0x5b0 [ 316.594164] ? trace_hardirqs_on+0xbd/0x310 [ 316.598499] ? kasan_check_read+0x11/0x20 [ 316.602644] ? __run_timers+0x7da/0xc70 [ 316.606622] ? trace_hardirqs_off_caller+0x310/0x310 [ 316.611750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.615990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.620225] __run_timers+0x7e5/0xc70 [ 316.624036] ? timer_fixup_init+0x70/0x70 [ 316.628188] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 316.633210] ? zap_class+0x640/0x640 [ 316.636935] ? print_usage_bug+0xc0/0xc0 [ 316.641000] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 316.646196] ? find_held_lock+0x36/0x1c0 [ 316.650263] ? zap_class+0x640/0x640 [ 316.653983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.659527] ? check_preemption_disabled+0x48/0x280 [ 316.664554] ? __lock_is_held+0xb5/0x140 [ 316.668617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.674158] ? check_preemption_disabled+0x48/0x280 [ 316.679187] run_timer_softirq+0x52/0xb0 [ 316.683249] ? rcu_read_lock_sched_held+0x14f/0x180 [ 316.688267] __do_softirq+0x308/0xb7e [ 316.692076] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 316.696572] ? lock_downgrade+0x900/0x900 [ 316.700726] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 316.705837] ? pvclock_read_flags+0x160/0x160 [ 316.710336] ? lapic_next_event+0x5a/0x90 [ 316.714490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.720042] ? kvm_clock_read+0x18/0x30 [ 316.724021] ? kvm_sched_clock_read+0x9/0x20 [ 316.728441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.733990] ? check_preemption_disabled+0x48/0x280 [ 316.739554] irq_exit+0x17f/0x1c0 [ 316.743015] smp_apic_timer_interrupt+0x1cb/0x760 [ 316.747856] ? smp_reschedule_interrupt+0x109/0x650 [ 316.752878] ? smp_call_function_single_interrupt+0x650/0x650 [ 316.758778] ? interrupt_entry+0xb5/0xc0 [ 316.762843] ? trace_hardirqs_off_caller+0xbb/0x310 [ 316.767860] ? trace_hardirqs_off_caller+0xbb/0x310 [ 316.772887] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.777738] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.782755] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.787770] ? task_prio+0x50/0x50 [ 316.791314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.796853] ? check_preemption_disabled+0x48/0x280 [ 316.801889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.806761] apic_timer_interrupt+0xf/0x20 [ 316.811007] [ 316.813247] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 316.818177] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 316.837079] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 316.844784] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 316.852048] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 316.859315] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 316.866585] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 316.873852] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 316.881156] rcu_read_lock_held+0xa9/0xc0 [ 316.885307] list_lru_count_one+0x31a/0x450 [ 316.889633] ? list_lru_isolate_move+0x3c0/0x3c0 [ 316.894396] ? deferred_split_count+0x65/0x170 [ 316.898980] ? shrink_huge_zero_page_count+0xc8/0x100 [ 316.904182] super_cache_count+0x153/0x2e0 [ 316.908432] do_shrink_slab+0x1b1/0xd30 [ 316.912414] ? lock_acquire+0x1ed/0x520 [ 316.916395] ? snapshot_refaults+0x290/0x290 [ 316.920809] ? lock_release+0xa00/0xa00 [ 316.924795] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 316.929753] ? down_read_trylock+0xda/0x140 [ 316.934082] ? shrink_slab+0x207/0x8c0 [ 316.937987] ? downgrade_write+0x270/0x270 [ 316.942249] shrink_slab+0x389/0x8c0 [ 316.945964] ? shrink_active_list+0x1f00/0x1f00 [ 316.950641] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 316.956270] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 316.961380] ? cgroup_procs_write_finish+0xf0/0xf0 [ 316.966320] ? find_held_lock+0x36/0x1c0 [ 316.970391] shrink_node+0x431/0x16b0 [ 316.974196] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 316.979498] ? shrink_node_memcg+0x18f0/0x18f0 [ 316.984086] ? kvm_clock_read+0x18/0x30 [ 316.988061] ? ktime_get+0x2c1/0x400 [ 316.991782] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 316.996283] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 317.001820] ? __cpuset_node_allowed+0x19b/0x660 [ 317.006578] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 317.012304] ? delayacct_end+0x5a/0x100 [ 317.016287] do_try_to_free_pages+0x3e7/0x1290 [ 317.021220] ? zap_class+0x640/0x640 [ 317.024958] ? shrink_node+0x16b0/0x16b0 [ 317.029027] ? __lock_is_held+0xb5/0x140 [ 317.033105] try_to_free_pages+0x4d0/0xb90 [ 317.037345] ? do_try_to_free_pages+0x1290/0x1290 [ 317.042199] ? lock_acquire+0x1ed/0x520 [ 317.046173] ? set_page_refcounted+0x280/0x280 [ 317.050771] ? lock_release+0xa00/0xa00 [ 317.054746] ? _raw_spin_unlock_irq+0x60/0x80 [ 317.059245] ? psi_memstall_enter+0x240/0x2b0 [ 317.063743] ? psi_memstall_tick+0x230/0x230 [ 317.068167] __alloc_pages_slowpath+0xa48/0x2de0 [ 317.072975] ? warn_alloc+0x120/0x120 [ 317.076794] ? mark_held_locks+0x130/0x130 [ 317.081042] ? find_get_entry+0xaae/0x1120 [ 317.085296] ? filemap_map_pages+0x1a20/0x1a20 [ 317.089883] ? zap_class+0x640/0x640 [ 317.093613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.099153] ? check_preemption_disabled+0x48/0x280 [ 317.104168] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.109709] ? should_fail+0x22d/0xd01 [ 317.113604] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.118713] ? zap_class+0x640/0x640 [ 317.122461] ? __lock_is_held+0xb5/0x140 [ 317.126549] ? mark_held_locks+0x130/0x130 [ 317.130799] ? lock_release+0xa00/0xa00 [ 317.134775] ? perf_trace_sched_process_exec+0x860/0x860 [ 317.140227] ? xa_load+0x2ba/0x460 [ 317.143772] ? lock_downgrade+0x900/0x900 [ 317.147933] ? __might_sleep+0x95/0x190 [ 317.151923] __alloc_pages_nodemask+0xad8/0xea0 [ 317.156602] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 317.161619] ? __page_cache_alloc+0x191/0x5c0 [ 317.166115] ? xa_load+0x2e1/0x460 [ 317.169658] ? xa_clear_mark+0x40/0x40 [ 317.173547] ? zap_class+0x640/0x640 [ 317.177271] ? zap_class+0x640/0x640 [ 317.180986] ? zap_class+0x640/0x640 [ 317.184700] ? __do_page_cache_readahead+0x663/0x810 [ 317.189817] ? find_held_lock+0x36/0x1c0 [ 317.193889] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 317.199444] alloc_pages_current+0x173/0x350 [ 317.203860] __page_cache_alloc+0x38c/0x5c0 [ 317.208179] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 317.213133] ? kasan_check_read+0x11/0x20 [ 317.217282] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 317.222565] ? generic_perform_write+0x6a0/0x6a0 [ 317.227324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.232864] ? check_preemption_disabled+0x48/0x280 [ 317.237889] filemap_fault+0x1595/0x25f0 [ 317.241975] ? __lock_page_or_retry+0xa00/0xa00 [ 317.246651] ? mark_held_locks+0x130/0x130 [ 317.250898] ? filemap_map_pages+0xd6b/0x1a20 [ 317.255407] ? lock_downgrade+0x900/0x900 [ 317.259560] ? check_preemption_disabled+0x48/0x280 [ 317.264596] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 317.269526] ? kasan_check_read+0x11/0x20 [ 317.273677] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 317.278955] ? rcu_softirq_qs+0x20/0x20 [ 317.282949] ? filemap_map_pages+0xd92/0x1a20 [ 317.287458] ? print_usage_bug+0xc0/0xc0 [ 317.291530] ? find_get_entries_tag+0x1400/0x1400 [ 317.296375] ? __kasan_slab_free+0x102/0x150 [ 317.300786] ? kasan_slab_free+0xe/0x10 [ 317.304757] ? kmem_cache_free+0x83/0x290 [ 317.308904] ? __sigqueue_free.part.29+0x74/0x90 [ 317.313685] ? lock_acquire+0x1ed/0x520 [ 317.317660] ? ext4_filemap_fault+0x7a/0xad [ 317.322000] ? lock_release+0xa00/0xa00 [ 317.325974] ? perf_trace_sched_process_exec+0x860/0x860 [ 317.331432] ? print_usage_bug+0xc0/0xc0 [ 317.335494] ? print_usage_bug+0xc0/0xc0 [ 317.339568] ? down_read+0x8d/0x120 [ 317.343194] ? ext4_filemap_fault+0x7a/0xad [ 317.347516] ? __down_interruptible+0x700/0x700 [ 317.352196] ext4_filemap_fault+0x82/0xad [ 317.356377] __do_fault+0x100/0x6b0 [ 317.360012] ? pmd_devmap_trans_unstable+0x220/0x220 [ 317.365121] ? mark_held_locks+0x130/0x130 [ 317.369360] ? mark_held_locks+0x130/0x130 [ 317.373597] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 317.379153] ? rcu_pm_notify+0xc0/0xc0 [ 317.383078] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.388623] __handle_mm_fault+0x3ea0/0x5be0 [ 317.393046] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 317.397890] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.402407] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 317.407054] ? trace_hardirqs_on+0xbd/0x310 [ 317.411376] ? kasan_check_read+0x11/0x20 [ 317.415521] ? __set_current_blocked+0xdf/0x120 [ 317.420192] ? trace_hardirqs_off_caller+0x310/0x310 [ 317.425307] ? zap_class+0x640/0x640 [ 317.429020] ? zap_class+0x640/0x640 [ 317.432740] ? find_held_lock+0x36/0x1c0 [ 317.436810] ? handle_mm_fault+0x42a/0xc70 [ 317.441047] ? lock_downgrade+0x900/0x900 [ 317.445201] ? check_preemption_disabled+0x48/0x280 [ 317.450222] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 317.455150] ? kasan_check_read+0x11/0x20 [ 317.459296] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 317.464571] ? rcu_softirq_qs+0x20/0x20 [ 317.468544] ? trace_hardirqs_off_caller+0x310/0x310 [ 317.473652] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.479190] ? check_preemption_disabled+0x48/0x280 [ 317.484215] handle_mm_fault+0x54f/0xc70 [ 317.488281] ? __handle_mm_fault+0x5be0/0x5be0 [ 317.492868] ? find_vma+0x34/0x190 [ 317.496413] __do_page_fault+0x5e8/0xe60 [ 317.500480] ? exit_to_usermode_loop+0x1f4/0x380 [ 317.505248] do_page_fault+0xf2/0x7e0 [ 317.509054] ? vmalloc_sync_all+0x30/0x30 [ 317.513207] ? error_entry+0x70/0xd0 [ 317.516930] ? trace_hardirqs_off_caller+0xbb/0x310 [ 317.521974] ? trace_hardirqs_on_caller+0xc0/0x310 [ 317.526926] ? syscall_return_slowpath+0x5e0/0x5e0 [ 317.531856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.536699] ? trace_hardirqs_on_caller+0x310/0x310 [ 317.541713] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 317.547173] ? prepare_exit_to_usermode+0x291/0x3b0 [ 317.552200] ? page_fault+0x8/0x30 [ 317.555743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.560603] ? page_fault+0x8/0x30 [ 317.564145] page_fault+0x1e/0x30 [ 317.567605] RIP: 0033:0x45db60 [ 317.570806] Code: Bad RIP value. [ 317.574166] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 317.579530] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 317.586800] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 317.594068] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 317.601334] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 317.608736] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 317.616028] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 317.616097] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 317.623043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 317.623049] Call Trace: [ 317.623055] [ 317.623074] dump_stack+0x244/0x39d [ 317.623094] ? dump_stack_print_info.cold.1+0x20/0x20 [ 317.629659] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 317.638944] warn_alloc.cold.116+0xb7/0x1bd [ 317.641495] syz-fuzzer cpuset=/ mems_allowed=0 [ 317.643657] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 317.676451] ? lock_downgrade+0x900/0x900 [ 317.680611] ? trace_hardirqs_off+0xb8/0x310 [ 317.685027] ? trace_hardirqs_off+0xb8/0x310 [ 317.689444] __alloc_pages_slowpath+0x2651/0x2de0 [ 317.694320] ? warn_alloc+0x120/0x120 [ 317.698127] ? warn_alloc+0x120/0x120 [ 317.701945] ? __lock_acquire+0x62f/0x4c20 [ 317.706182] ? warn_alloc+0x120/0x120 [ 317.709991] ? print_usage_bug+0xc0/0xc0 [ 317.714074] ? print_usage_bug+0xc0/0xc0 [ 317.718147] ? mark_held_locks+0x130/0x130 [ 317.722390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.727940] ? should_fail+0x22d/0xd01 [ 317.731832] ? zap_class+0x640/0x640 [ 317.735593] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.740709] ? __lock_acquire+0x62f/0x4c20 [ 317.744964] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.750066] ? should_fail+0x22d/0xd01 [ 317.753969] ? mark_held_locks+0x130/0x130 [ 317.758230] ? mark_held_locks+0x130/0x130 [ 317.762495] ? lock_downgrade+0x900/0x900 [ 317.766649] ? zap_class+0x640/0x640 [ 317.770369] ? zap_class+0x640/0x640 [ 317.774089] ? zap_class+0x640/0x640 [ 317.777802] ? do_raw_spin_unlock+0xa7/0x330 [ 317.782214] ? trace_hardirqs_on+0x310/0x310 [ 317.786652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.792201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.797741] ? check_preemption_disabled+0x48/0x280 [ 317.802774] ? __lock_is_held+0xb5/0x140 [ 317.806844] __alloc_pages_nodemask+0xad8/0xea0 [ 317.811512] ? zap_class+0x640/0x640 [ 317.815230] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 317.820267] ? find_held_lock+0x36/0x1c0 [ 317.824340] ? ____cache_alloc_node+0x1c7/0x1e0 [ 317.829010] ? lock_downgrade+0x900/0x900 [ 317.833165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.838704] cache_grow_begin+0xa5/0x8c0 [ 317.842778] ? do_raw_spin_unlock+0xa7/0x330 [ 317.847195] fallback_alloc+0x204/0x2e0 [ 317.851176] ____cache_alloc_node+0x1c7/0x1e0 [ 317.855679] kmem_cache_alloc_node+0xe3/0x730 [ 317.860176] ? lockdep_hardirqs_on+0x296/0x5b0 [ 317.864770] __alloc_skb+0x119/0x770 [ 317.868482] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 317.873851] ? netdev_alloc_frag+0x1f0/0x1f0 [ 317.878270] ? vprintk_default+0x28/0x30 [ 317.882331] ? vprintk_func+0x85/0x181 [ 317.886218] ? printk+0xa7/0xcf [ 317.889498] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 317.894258] ? do_raw_spin_trylock+0x270/0x270 [ 317.898847] new_skb+0x26/0x1c0 [ 317.902128] aoecmd_cfg+0x279/0x7f0 [ 317.905755] ? find_held_lock+0x36/0x1c0 [ 317.909818] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 317.914162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.919712] ? __lock_is_held+0xb5/0x140 [ 317.923812] discover_timer+0x50/0x60 [ 317.927616] call_timer_fn+0x272/0x920 [ 317.931508] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 317.936350] ? process_timeout+0x40/0x40 [ 317.940448] ? mark_held_locks+0xc7/0x130 [ 317.944618] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.949117] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.953611] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 317.958484] ? lockdep_hardirqs_on+0x296/0x5b0 [ 317.963087] ? trace_hardirqs_on+0xbd/0x310 [ 317.967407] ? kasan_check_read+0x11/0x20 [ 317.971632] ? __run_timers+0x7da/0xc70 [ 317.975605] ? trace_hardirqs_off_caller+0x310/0x310 [ 317.980720] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 317.985563] __run_timers+0x7e5/0xc70 [ 317.989377] ? timer_fixup_init+0x70/0x70 [ 317.993531] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 317.998546] ? zap_class+0x640/0x640 [ 318.002268] ? print_usage_bug+0xc0/0xc0 [ 318.006335] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 318.011533] ? find_held_lock+0x36/0x1c0 [ 318.015598] ? zap_class+0x640/0x640 [ 318.019326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.024867] ? check_preemption_disabled+0x48/0x280 [ 318.029893] ? __lock_is_held+0xb5/0x140 [ 318.033967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.039509] ? check_preemption_disabled+0x48/0x280 [ 318.044532] run_timer_softirq+0x52/0xb0 [ 318.048598] ? rcu_read_lock_sched_held+0x14f/0x180 [ 318.053620] __do_softirq+0x308/0xb7e [ 318.057427] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 318.061934] ? lock_downgrade+0x900/0x900 [ 318.066090] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 318.071202] ? pvclock_read_flags+0x160/0x160 [ 318.075711] ? lapic_next_event+0x5a/0x90 [ 318.079862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.085404] ? kvm_clock_read+0x18/0x30 [ 318.089378] ? kvm_sched_clock_read+0x9/0x20 [ 318.093807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.099352] ? check_preemption_disabled+0x48/0x280 [ 318.104376] irq_exit+0x17f/0x1c0 [ 318.107838] smp_apic_timer_interrupt+0x1cb/0x760 [ 318.112701] ? smp_reschedule_interrupt+0x109/0x650 [ 318.117718] ? smp_call_function_single_interrupt+0x650/0x650 [ 318.123602] ? interrupt_entry+0xb5/0xc0 [ 318.127692] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.132711] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.137729] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.142582] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.147596] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.152623] ? task_prio+0x50/0x50 [ 318.156179] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.161723] ? check_preemption_disabled+0x48/0x280 [ 318.166752] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.171614] apic_timer_interrupt+0xf/0x20 [ 318.175840] [ 318.178082] RIP: 0010:console_unlock+0x102f/0x1190 [ 318.183015] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 318.201917] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 318.209671] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 318.216993] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 318.224261] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 318.231525] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 318.238790] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 318.246071] ? netconsole_netdev_event+0x280/0x280 [ 318.251008] ? console_unlock+0x1026/0x1190 [ 318.255348] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 318.260026] ? lock_release+0xa00/0xa00 [ 318.264008] ? retint_kernel+0x2d/0x2d [ 318.267919] vprintk_emit+0x391/0x990 [ 318.271731] ? wake_up_klogd+0x180/0x180 [ 318.275798] ? match_held_lock+0x811/0x8d0 [ 318.280042] ? mark_held_locks+0xc7/0x130 [ 318.284194] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.288691] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.293192] vprintk_default+0x28/0x30 [ 318.297084] vprintk_func+0x7e/0x181 [ 318.300802] printk+0xa7/0xcf [ 318.303933] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 318.308699] ? _raw_spin_unlock_irq+0x60/0x80 [ 318.313210] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 318.318501] dump_header+0x7cc/0xf72 [ 318.322226] ? pagefault_out_of_memory+0x197/0x197 [ 318.327164] ? __lock_acquire+0x62f/0x4c20 [ 318.331404] ? percpu_ref_get_many+0x240/0x240 [ 318.335991] ? print_usage_bug+0xc0/0xc0 [ 318.340059] ? zap_class+0x640/0x640 [ 318.343775] ? print_usage_bug+0xc0/0xc0 [ 318.347839] ? zap_class+0x640/0x640 [ 318.351556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.357101] ? find_held_lock+0x36/0x1c0 [ 318.361171] ? mark_held_locks+0xc7/0x130 [ 318.365326] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 318.370429] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 318.375537] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 318.380137] ? trace_hardirqs_on+0xbd/0x310 [ 318.384466] ? kasan_check_read+0x11/0x20 [ 318.388615] ? ___ratelimit+0x3b4/0x672 [ 318.392591] ? trace_hardirqs_off_caller+0x310/0x310 [ 318.397696] ? trace_hardirqs_on+0x310/0x310 [ 318.402105] ? lock_downgrade+0x900/0x900 [ 318.406261] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 318.411365] ? ___ratelimit+0x3b9/0x672 [ 318.415343] ? idr_get_free+0xf70/0xf70 [ 318.419322] ? find_held_lock+0x36/0x1c0 [ 318.423399] oom_kill_process.cold.27+0x10/0x903 [ 318.428157] ? zap_class+0x640/0x640 [ 318.431879] ? check_preemption_disabled+0x48/0x280 [ 318.436918] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 318.441853] ? kasan_check_read+0x11/0x20 [ 318.446001] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.451278] ? oom_evaluate_task+0x540/0x540 [ 318.455688] ? find_held_lock+0x36/0x1c0 [ 318.459759] ? out_of_memory+0x974/0x1430 [ 318.463916] ? lock_downgrade+0x900/0x900 [ 318.468072] ? check_preemption_disabled+0x48/0x280 [ 318.473101] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 318.478037] ? kasan_check_read+0x11/0x20 [ 318.482184] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.487461] ? rcu_softirq_qs+0x20/0x20 [ 318.491442] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 318.496982] ? oom_evaluate_task+0x302/0x540 [ 318.501410] out_of_memory+0xa84/0x1430 [ 318.505398] ? oom_killer_disable+0x3a0/0x3a0 [ 318.509897] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 318.514845] ? __ww_mutex_check_waiters+0x160/0x160 [ 318.519871] __alloc_pages_slowpath+0x232c/0x2de0 [ 318.524745] ? warn_alloc+0x120/0x120 [ 318.528544] ? mark_held_locks+0x130/0x130 [ 318.532819] ? find_get_entry+0xaae/0x1120 [ 318.537077] ? filemap_map_pages+0x1a20/0x1a20 [ 318.541664] ? zap_class+0x640/0x640 [ 318.545387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.550937] ? check_preemption_disabled+0x48/0x280 [ 318.555968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.561521] ? should_fail+0x22d/0xd01 [ 318.565412] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.570518] ? zap_class+0x640/0x640 [ 318.574257] ? __lock_is_held+0xb5/0x140 [ 318.578329] ? mark_held_locks+0x130/0x130 [ 318.582594] ? lock_release+0xa00/0xa00 [ 318.586571] ? perf_trace_sched_process_exec+0x860/0x860 [ 318.592020] ? xa_load+0x2ba/0x460 [ 318.595564] ? lock_downgrade+0x900/0x900 [ 318.599741] ? __might_sleep+0x95/0x190 [ 318.603735] __alloc_pages_nodemask+0xad8/0xea0 [ 318.608451] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 318.613467] ? __page_cache_alloc+0x191/0x5c0 [ 318.617963] ? xa_load+0x2e1/0x460 [ 318.621506] ? xa_clear_mark+0x40/0x40 [ 318.625390] ? zap_class+0x640/0x640 [ 318.629104] ? zap_class+0x640/0x640 [ 318.632824] ? zap_class+0x640/0x640 [ 318.636535] ? zap_class+0x640/0x640 [ 318.640250] ? __do_page_cache_readahead+0x663/0x810 [ 318.645360] ? find_held_lock+0x36/0x1c0 [ 318.649433] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 318.654977] alloc_pages_current+0x173/0x350 [ 318.659394] __page_cache_alloc+0x38c/0x5c0 [ 318.663718] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 318.668646] ? kasan_check_read+0x11/0x20 [ 318.672815] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.678100] ? generic_perform_write+0x6a0/0x6a0 [ 318.682862] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.688420] ? check_preemption_disabled+0x48/0x280 [ 318.693446] filemap_fault+0x1595/0x25f0 [ 318.697522] ? __lock_page_or_retry+0xa00/0xa00 [ 318.702212] ? mark_held_locks+0x130/0x130 [ 318.706458] ? filemap_map_pages+0xd6b/0x1a20 [ 318.710955] ? lock_downgrade+0x900/0x900 [ 318.715105] ? check_preemption_disabled+0x48/0x280 [ 318.720124] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 318.725053] ? kasan_check_read+0x11/0x20 [ 318.729240] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.734526] ? rcu_softirq_qs+0x20/0x20 [ 318.738652] ? filemap_map_pages+0xd92/0x1a20 [ 318.743153] ? queue_work_on+0x12c/0x1e0 [ 318.747220] ? find_get_entries_tag+0x1400/0x1400 [ 318.752067] ? debug_object_destroy+0x2b0/0x2b0 [ 318.756751] ? lock_pi_update_atomic+0x150/0x150 [ 318.761506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.767058] ? lock_acquire+0x1ed/0x520 [ 318.771052] ? ext4_filemap_fault+0x7a/0xad [ 318.775381] ? lock_release+0xa00/0xa00 [ 318.779356] ? perf_trace_sched_process_exec+0x860/0x860 [ 318.784807] ? print_usage_bug+0xc0/0xc0 [ 318.788868] ? print_usage_bug+0xc0/0xc0 [ 318.792948] ? down_read+0x8d/0x120 [ 318.796572] ? ext4_filemap_fault+0x7a/0xad [ 318.800896] ? __down_interruptible+0x700/0x700 [ 318.805587] ext4_filemap_fault+0x82/0xad [ 318.809737] __do_fault+0x100/0x6b0 [ 318.813361] ? perf_tp_event+0xc20/0xc20 [ 318.817424] ? pmd_devmap_trans_unstable+0x220/0x220 [ 318.822532] ? mark_held_locks+0x130/0x130 [ 318.826783] ? mark_held_locks+0x130/0x130 [ 318.831035] ? debug_smp_processor_id+0x1c/0x20 [ 318.835701] ? perf_trace_lock+0x14d/0x7a0 [ 318.839964] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.845518] __handle_mm_fault+0x3ea0/0x5be0 [ 318.849951] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 318.854879] ? lock_is_held_type+0x210/0x210 [ 318.859315] ? __switch_to_asm+0x34/0x70 [ 318.863378] ? __switch_to_asm+0x34/0x70 [ 318.867454] ? zap_class+0x640/0x640 [ 318.871167] ? zap_class+0x640/0x640 [ 318.874883] ? __x64_sys_futex+0x53e/0x6a0 [ 318.879132] ? find_held_lock+0x36/0x1c0 [ 318.883204] ? handle_mm_fault+0x42a/0xc70 [ 318.887444] ? lock_downgrade+0x900/0x900 [ 318.891602] ? check_preemption_disabled+0x48/0x280 [ 318.896623] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 318.901560] ? kasan_check_read+0x11/0x20 [ 318.905706] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.910980] ? rcu_softirq_qs+0x20/0x20 [ 318.914960] ? trace_hardirqs_off_caller+0x310/0x310 [ 318.920100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.925639] ? check_preemption_disabled+0x48/0x280 [ 318.930663] handle_mm_fault+0x54f/0xc70 [ 318.934727] ? __handle_mm_fault+0x5be0/0x5be0 [ 318.939324] ? find_vma+0x34/0x190 [ 318.942873] __do_page_fault+0x5e8/0xe60 [ 318.946942] ? trace_hardirqs_off+0xb8/0x310 [ 318.951361] do_page_fault+0xf2/0x7e0 [ 318.955166] ? vmalloc_sync_all+0x30/0x30 [ 318.959314] ? error_entry+0x70/0xd0 [ 318.963031] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.968051] ? trace_hardirqs_on_caller+0xc0/0x310 [ 318.972982] ? syscall_return_slowpath+0x5e0/0x5e0 [ 318.977919] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.982770] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.987790] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.993249] ? prepare_exit_to_usermode+0x291/0x3b0 [ 318.998275] ? page_fault+0x8/0x30 [ 319.001818] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.006662] ? page_fault+0x8/0x30 [ 319.010207] page_fault+0x1e/0x30 [ 319.013657] RIP: 0033:0x45ddf3 [ 319.016860] Code: Bad RIP value. [ 319.020223] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 319.025593] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 319.032858] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 319.040122] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 319.047395] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 319.054660] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 319.061958] warn_alloc_show_mem: 1 callbacks suppressed [ 319.061970] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 319.061972] Mem-Info: [ 319.062002] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 319.062002] active_file:10 inactive_file:13 isolated_file:0 [ 319.062002] unevictable:0 dirty:0 writeback:0 unstable:0 [ 319.062002] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 319.062002] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 319.062002] free:13776 free_pcp:523 free_cma:0 [ 319.067354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.074395] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 319.076788] Call Trace: [ 319.109826] 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 [ 319.119173] [ 319.146825] lowmem_reserve[]: 0 2818 6321 6321 [ 319.149437] dump_stack+0x244/0x39d [ 319.175508] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 319.177664] ? dump_stack_print_info.cold.1+0x20/0x20 [ 319.182210] lowmem_reserve[]: 0 0 3503 3503 [ 319.185838] warn_alloc.cold.116+0xb7/0x1bd [ 319.213133] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 319.218315] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 319.222611] lowmem_reserve[]: 0 0 0 0 [ 319.226940] ? lock_downgrade+0x900/0x900 [ 319.255974] 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 [ 319.260816] ? trace_hardirqs_off+0xb8/0x310 [ 319.264592] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 319.268746] ? trace_hardirqs_off+0xb8/0x310 [ 319.282244] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 319.286651] __alloc_pages_slowpath+0x2651/0x2de0 [ 319.301716] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 319.306146] ? warn_alloc+0x120/0x120 [ 319.320493] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 319.325324] ? print_usage_bug+0xc0/0xc0 [ 319.334133] 1516 total pagecache pages [ 319.337946] ? warn_alloc+0x120/0x120 [ 319.346509] 0 pages in swap cache [ 319.350566] ? warn_alloc+0x120/0x120 [ 319.354436] Swap cache stats: add 0, delete 0, find 0/0 [ 319.358225] ? print_usage_bug+0xc0/0xc0 [ 319.361692] Free swap = 0kB [ 319.365491] ? kvm_clock_read+0x18/0x30 [ 319.370832] Total swap = 0kB [ 319.374891] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 319.377885] 1965979 pages RAM [ 319.381853] ? print_usage_bug+0xc0/0xc0 [ 319.384847] 0 pages HighMem/MovableOnly [ 319.389853] ? __lock_acquire+0x62f/0x4c20 [ 319.392961] 342854 pages reserved [ 319.397015] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.400962] 0 pages cma reserved [ 319.405193] ? should_fail+0x22d/0xd01 [ 319.408696] aoe: skb alloc failure [ 319.414142] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 319.414160] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.417599] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 319.421488] ? __lock_acquire+0x62f/0x4c20 [ 319.425006] syz-fuzzer cpuset=/ mems_allowed=0 [ 319.430279] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.459733] ? __lock_acquire+0x62f/0x4c20 [ 319.463968] ? should_fail+0x22d/0xd01 [ 319.467852] ? rcu_irq_exit+0x1a2/0x390 [ 319.471846] ? mark_held_locks+0x130/0x130 [ 319.476088] ? mark_held_locks+0x130/0x130 [ 319.480331] ? mark_held_locks+0xc7/0x130 [ 319.484482] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 319.489497] ? zap_class+0x640/0x640 [ 319.493249] ? print_usage_bug+0xc0/0xc0 [ 319.497333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.502900] ? check_preemption_disabled+0x48/0x280 [ 319.507938] ? __lock_is_held+0xb5/0x140 [ 319.512011] __alloc_pages_nodemask+0xad8/0xea0 [ 319.516694] ? zap_class+0x640/0x640 [ 319.520412] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 319.525450] ? find_held_lock+0x36/0x1c0 [ 319.529528] ? ____cache_alloc_node+0x1c7/0x1e0 [ 319.534198] ? lock_downgrade+0x900/0x900 [ 319.538369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.543941] cache_grow_begin+0xa5/0x8c0 [ 319.548002] ? do_raw_spin_unlock+0xa7/0x330 [ 319.552418] fallback_alloc+0x204/0x2e0 [ 319.556441] ____cache_alloc_node+0x1c7/0x1e0 [ 319.560950] kmem_cache_alloc_node+0xe3/0x730 [ 319.565463] ? ipv6_get_ifaddr+0x42e/0x620 [ 319.569709] __alloc_skb+0x119/0x770 [ 319.573431] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 319.578741] ? netdev_alloc_frag+0x1f0/0x1f0 [ 319.583164] ? lock_downgrade+0x900/0x900 [ 319.587366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.592904] ? refcount_sub_and_test_checked+0x203/0x310 [ 319.598716] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 319.604171] ? addrconf_rs_timer+0x690/0x690 [ 319.608735] ndisc_alloc_skb+0x144/0x340 [ 319.612816] ndisc_send_rs+0x331/0x6e0 [ 319.616726] addrconf_rs_timer+0x314/0x690 [ 319.621024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.625286] call_timer_fn+0x272/0x920 [ 319.629172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.633404] ? process_timeout+0x40/0x40 [ 319.637481] ? mark_held_locks+0xc7/0x130 [ 319.641648] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.646148] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.650658] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.654918] ? lockdep_hardirqs_on+0x296/0x5b0 [ 319.659502] ? trace_hardirqs_on+0xbd/0x310 [ 319.663826] ? kasan_check_read+0x11/0x20 [ 319.667975] ? __run_timers+0x7da/0xc70 [ 319.671955] ? trace_hardirqs_off_caller+0x310/0x310 [ 319.677076] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.681317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.685549] __run_timers+0x7e5/0xc70 [ 319.689358] ? timer_fixup_init+0x70/0x70 [ 319.693505] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 319.698550] ? zap_class+0x640/0x640 [ 319.702282] ? print_usage_bug+0xc0/0xc0 [ 319.706344] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 319.711539] ? find_held_lock+0x36/0x1c0 [ 319.715645] ? zap_class+0x640/0x640 [ 319.719364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.724918] ? check_preemption_disabled+0x48/0x280 [ 319.729977] ? __lock_is_held+0xb5/0x140 [ 319.734039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.739580] ? check_preemption_disabled+0x48/0x280 [ 319.744630] run_timer_softirq+0x52/0xb0 [ 319.748711] ? rcu_read_lock_sched_held+0x14f/0x180 [ 319.753774] __do_softirq+0x308/0xb7e [ 319.757593] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 319.762087] ? lock_downgrade+0x900/0x900 [ 319.766240] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 319.771352] ? pvclock_read_flags+0x160/0x160 [ 319.775868] ? lapic_next_event+0x5a/0x90 [ 319.780018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.785599] ? kvm_clock_read+0x18/0x30 [ 319.789587] ? kvm_sched_clock_read+0x9/0x20 [ 319.793999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.799540] ? check_preemption_disabled+0x48/0x280 [ 319.804569] irq_exit+0x17f/0x1c0 [ 319.808028] smp_apic_timer_interrupt+0x1cb/0x760 [ 319.812872] ? smp_reschedule_interrupt+0x109/0x650 [ 319.817890] ? smp_call_function_single_interrupt+0x650/0x650 [ 319.823779] ? interrupt_entry+0xb5/0xc0 [ 319.827862] ? trace_hardirqs_off_caller+0xbb/0x310 [ 319.832874] ? trace_hardirqs_off_caller+0xbb/0x310 [ 319.837906] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.842761] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.847775] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.852814] ? task_prio+0x50/0x50 [ 319.856377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.861976] ? check_preemption_disabled+0x48/0x280 [ 319.866998] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.871868] apic_timer_interrupt+0xf/0x20 [ 319.876093] [ 319.878333] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 319.883269] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 319.902175] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 319.909880] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 319.917153] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 319.924426] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 319.931693] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 319.938961] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 319.946259] rcu_read_lock_held+0xa9/0xc0 [ 319.950409] list_lru_count_one+0x31a/0x450 [ 319.954748] ? list_lru_isolate_move+0x3c0/0x3c0 [ 319.959510] ? deferred_split_count+0x65/0x170 [ 319.964090] ? shrink_huge_zero_page_count+0xc8/0x100 [ 319.969289] super_cache_count+0x153/0x2e0 [ 319.973536] do_shrink_slab+0x1b1/0xd30 [ 319.977517] ? lock_acquire+0x1ed/0x520 [ 319.981496] ? snapshot_refaults+0x290/0x290 [ 319.985919] ? lock_release+0xa00/0xa00 [ 319.989899] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 319.994853] ? down_read_trylock+0xda/0x140 [ 319.999174] ? shrink_slab+0x207/0x8c0 [ 320.003065] ? downgrade_write+0x270/0x270 [ 320.007313] shrink_slab+0x389/0x8c0 [ 320.011029] ? shrink_active_list+0x1f00/0x1f00 [ 320.015707] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 320.021335] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 320.026452] ? cgroup_procs_write_finish+0xf0/0xf0 [ 320.031388] ? find_held_lock+0x36/0x1c0 [ 320.035465] shrink_node+0x431/0x16b0 [ 320.039267] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 320.044583] ? shrink_node_memcg+0x18f0/0x18f0 [ 320.049173] ? kvm_clock_read+0x18/0x30 [ 320.053148] ? ktime_get+0x2c1/0x400 [ 320.056868] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 320.061368] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 320.066924] ? __cpuset_node_allowed+0x19b/0x660 [ 320.071710] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 320.077429] ? delayacct_end+0x5a/0x100 [ 320.081415] do_try_to_free_pages+0x3e7/0x1290 [ 320.086003] ? zap_class+0x640/0x640 [ 320.089734] ? shrink_node+0x16b0/0x16b0 [ 320.093800] ? __lock_is_held+0xb5/0x140 [ 320.097884] try_to_free_pages+0x4d0/0xb90 [ 320.102130] ? do_try_to_free_pages+0x1290/0x1290 [ 320.106985] ? lock_acquire+0x1ed/0x520 [ 320.110960] ? set_page_refcounted+0x280/0x280 [ 320.115549] ? lock_release+0xa00/0xa00 [ 320.119540] ? _raw_spin_unlock_irq+0x60/0x80 [ 320.124034] ? psi_memstall_enter+0x240/0x2b0 [ 320.128545] ? psi_memstall_tick+0x230/0x230 [ 320.132978] __alloc_pages_slowpath+0xa48/0x2de0 [ 320.137764] ? warn_alloc+0x120/0x120 [ 320.141565] ? mark_held_locks+0x130/0x130 [ 320.145805] ? find_get_entry+0xaae/0x1120 [ 320.150048] ? filemap_map_pages+0x1a20/0x1a20 [ 320.154636] ? zap_class+0x640/0x640 [ 320.158356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.163899] ? check_preemption_disabled+0x48/0x280 [ 320.168934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.174472] ? should_fail+0x22d/0xd01 [ 320.178364] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.183469] ? zap_class+0x640/0x640 [ 320.187210] ? __lock_is_held+0xb5/0x140 [ 320.191286] ? mark_held_locks+0x130/0x130 [ 320.195525] ? lock_release+0xa00/0xa00 [ 320.199514] ? perf_trace_sched_process_exec+0x860/0x860 [ 320.204964] ? xa_load+0x2ba/0x460 [ 320.208505] ? lock_downgrade+0x900/0x900 [ 320.212669] ? __might_sleep+0x95/0x190 [ 320.216649] __alloc_pages_nodemask+0xad8/0xea0 [ 320.221328] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 320.226347] ? __page_cache_alloc+0x191/0x5c0 [ 320.230838] ? xa_load+0x2e1/0x460 [ 320.234378] ? xa_clear_mark+0x40/0x40 [ 320.238288] ? zap_class+0x640/0x640 [ 320.242011] ? zap_class+0x640/0x640 [ 320.245727] ? zap_class+0x640/0x640 [ 320.249442] ? __do_page_cache_readahead+0x663/0x810 [ 320.254550] ? find_held_lock+0x36/0x1c0 [ 320.258621] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 320.264192] alloc_pages_current+0x173/0x350 [ 320.268612] __page_cache_alloc+0x38c/0x5c0 [ 320.272937] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.277871] ? kasan_check_read+0x11/0x20 [ 320.282023] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.287303] ? generic_perform_write+0x6a0/0x6a0 [ 320.292064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.297603] ? check_preemption_disabled+0x48/0x280 [ 320.302629] filemap_fault+0x1595/0x25f0 [ 320.306720] ? __lock_page_or_retry+0xa00/0xa00 [ 320.311393] ? mark_held_locks+0x130/0x130 [ 320.315642] ? filemap_map_pages+0xd6b/0x1a20 [ 320.320139] ? lock_downgrade+0x900/0x900 [ 320.324286] ? check_preemption_disabled+0x48/0x280 [ 320.329304] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.334232] ? kasan_check_read+0x11/0x20 [ 320.338384] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.343746] ? rcu_softirq_qs+0x20/0x20 [ 320.347739] ? filemap_map_pages+0xd92/0x1a20 [ 320.352242] ? print_usage_bug+0xc0/0xc0 [ 320.356312] ? find_get_entries_tag+0x1400/0x1400 [ 320.361155] ? __kasan_slab_free+0x102/0x150 [ 320.365563] ? kasan_slab_free+0xe/0x10 [ 320.369536] ? kmem_cache_free+0x83/0x290 [ 320.373684] ? __sigqueue_free.part.29+0x74/0x90 [ 320.378460] ? lock_acquire+0x1ed/0x520 [ 320.382438] ? ext4_filemap_fault+0x7a/0xad [ 320.386765] ? lock_release+0xa00/0xa00 [ 320.390764] ? perf_trace_sched_process_exec+0x860/0x860 [ 320.396219] ? print_usage_bug+0xc0/0xc0 [ 320.400281] ? print_usage_bug+0xc0/0xc0 [ 320.404354] ? down_read+0x8d/0x120 [ 320.407977] ? ext4_filemap_fault+0x7a/0xad [ 320.412302] ? __down_interruptible+0x700/0x700 [ 320.416983] ext4_filemap_fault+0x82/0xad [ 320.421138] __do_fault+0x100/0x6b0 [ 320.424770] ? pmd_devmap_trans_unstable+0x220/0x220 [ 320.429875] ? mark_held_locks+0x130/0x130 [ 320.434129] ? mark_held_locks+0x130/0x130 [ 320.438365] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 320.443908] ? rcu_pm_notify+0xc0/0xc0 [ 320.447814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.453357] __handle_mm_fault+0x3ea0/0x5be0 [ 320.457779] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 320.462622] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.467123] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 320.471708] ? trace_hardirqs_on+0xbd/0x310 [ 320.476031] ? kasan_check_read+0x11/0x20 [ 320.480181] ? __set_current_blocked+0xdf/0x120 [ 320.484865] ? trace_hardirqs_off_caller+0x310/0x310 [ 320.489979] ? zap_class+0x640/0x640 [ 320.493691] ? zap_class+0x640/0x640 [ 320.497409] ? find_held_lock+0x36/0x1c0 [ 320.501493] ? handle_mm_fault+0x42a/0xc70 [ 320.505730] ? lock_downgrade+0x900/0x900 [ 320.509878] ? check_preemption_disabled+0x48/0x280 [ 320.514908] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.519875] ? kasan_check_read+0x11/0x20 [ 320.524024] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.529301] ? rcu_softirq_qs+0x20/0x20 [ 320.533292] ? trace_hardirqs_off_caller+0x310/0x310 [ 320.538400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.543948] ? check_preemption_disabled+0x48/0x280 [ 320.548979] handle_mm_fault+0x54f/0xc70 [ 320.553047] ? __handle_mm_fault+0x5be0/0x5be0 [ 320.557637] ? find_vma+0x34/0x190 [ 320.561187] __do_page_fault+0x5e8/0xe60 [ 320.565258] ? exit_to_usermode_loop+0x1f4/0x380 [ 320.570023] do_page_fault+0xf2/0x7e0 [ 320.573828] ? vmalloc_sync_all+0x30/0x30 [ 320.577978] ? error_entry+0x70/0xd0 [ 320.581693] ? trace_hardirqs_off_caller+0xbb/0x310 [ 320.586708] ? trace_hardirqs_on_caller+0xc0/0x310 [ 320.591635] ? syscall_return_slowpath+0x5e0/0x5e0 [ 320.596565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.601410] ? trace_hardirqs_on_caller+0x310/0x310 [ 320.606434] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.611890] ? prepare_exit_to_usermode+0x291/0x3b0 [ 320.616920] ? page_fault+0x8/0x30 [ 320.620465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.625319] ? page_fault+0x8/0x30 [ 320.628863] page_fault+0x1e/0x30 [ 320.632314] RIP: 0033:0x45db60 [ 320.635517] Code: Bad RIP value. [ 320.638890] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 320.644259] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 320.651527] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 320.658795] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 320.666063] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 320.673330] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 320.680625] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 320.680694] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 320.687657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.687663] Call Trace: [ 320.687670] [ 320.687689] dump_stack+0x244/0x39d [ 320.687709] ? dump_stack_print_info.cold.1+0x20/0x20 [ 320.694241] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 320.703544] warn_alloc.cold.116+0xb7/0x1bd [ 320.706100] syz-fuzzer cpuset=/ mems_allowed=0 [ 320.708249] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 320.741030] ? lock_downgrade+0x900/0x900 [ 320.745189] ? trace_hardirqs_off+0xb8/0x310 [ 320.749608] ? trace_hardirqs_off+0xb8/0x310 [ 320.754028] __alloc_pages_slowpath+0x2651/0x2de0 [ 320.758901] ? warn_alloc+0x120/0x120 [ 320.762738] ? warn_alloc+0x120/0x120 [ 320.766548] ? warn_alloc+0x120/0x120 [ 320.770352] ? print_usage_bug+0xc0/0xc0 [ 320.774418] ? print_usage_bug+0xc0/0xc0 [ 320.778478] ? ktime_get+0x2c1/0x400 [ 320.782203] ? check_preemption_disabled+0x48/0x280 [ 320.787220] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 320.791725] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.797296] ? should_fail+0x22d/0xd01 [ 320.801200] ? kasan_check_read+0x11/0x20 [ 320.805353] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.810462] ? __lock_acquire+0x62f/0x4c20 [ 320.814702] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.819840] ? should_fail+0x22d/0xd01 [ 320.823752] ? print_usage_bug+0xc0/0xc0 [ 320.827821] ? mark_held_locks+0x130/0x130 [ 320.832070] ? mark_held_locks+0x130/0x130 [ 320.836334] ? check_preemption_disabled+0x48/0x280 [ 320.841380] ? zap_class+0x640/0x640 [ 320.845099] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 320.849871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.855418] ? check_preemption_disabled+0x48/0x280 [ 320.860446] ? __lock_is_held+0xb5/0x140 [ 320.864513] __alloc_pages_nodemask+0xad8/0xea0 [ 320.869180] ? zap_class+0x640/0x640 [ 320.872940] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 320.877973] ? find_held_lock+0x36/0x1c0 [ 320.882051] ? ____cache_alloc_node+0x1c7/0x1e0 [ 320.886722] ? lock_downgrade+0x900/0x900 [ 320.890895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.896453] cache_grow_begin+0xa5/0x8c0 [ 320.900514] ? do_raw_spin_unlock+0xa7/0x330 [ 320.904952] fallback_alloc+0x204/0x2e0 [ 320.908956] ____cache_alloc_node+0x1c7/0x1e0 [ 320.913459] kmem_cache_alloc_node+0xe3/0x730 [ 320.917956] ? lockdep_hardirqs_on+0x296/0x5b0 [ 320.922547] __alloc_skb+0x119/0x770 [ 320.926258] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 320.931625] ? netdev_alloc_frag+0x1f0/0x1f0 [ 320.936041] ? vprintk_default+0x28/0x30 [ 320.940121] ? vprintk_func+0x85/0x181 [ 320.944011] ? printk+0xa7/0xcf [ 320.947290] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 320.952068] ? do_raw_spin_trylock+0x270/0x270 [ 320.956658] new_skb+0x26/0x1c0 [ 320.959948] aoecmd_cfg+0x279/0x7f0 [ 320.963582] ? find_held_lock+0x36/0x1c0 [ 320.967668] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 320.971999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.977547] ? __lock_is_held+0xb5/0x140 [ 320.981623] discover_timer+0x50/0x60 [ 320.985424] call_timer_fn+0x272/0x920 [ 320.989316] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 320.994276] ? process_timeout+0x40/0x40 [ 320.998348] ? mark_held_locks+0xc7/0x130 [ 321.002497] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.007009] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.011503] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 321.016342] ? lockdep_hardirqs_on+0x296/0x5b0 [ 321.020948] ? trace_hardirqs_on+0xbd/0x310 [ 321.025270] ? kasan_check_read+0x11/0x20 [ 321.029415] ? __run_timers+0x7da/0xc70 [ 321.033396] ? trace_hardirqs_off_caller+0x310/0x310 [ 321.038514] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 321.043356] __run_timers+0x7e5/0xc70 [ 321.047167] ? timer_fixup_init+0x70/0x70 [ 321.051321] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 321.056341] ? zap_class+0x640/0x640 [ 321.060062] ? print_usage_bug+0xc0/0xc0 [ 321.064125] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 321.069324] ? find_held_lock+0x36/0x1c0 [ 321.073394] ? zap_class+0x640/0x640 [ 321.077116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.082668] ? check_preemption_disabled+0x48/0x280 [ 321.087695] ? __lock_is_held+0xb5/0x140 [ 321.091771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.097312] ? check_preemption_disabled+0x48/0x280 [ 321.102333] run_timer_softirq+0x52/0xb0 [ 321.106397] ? rcu_read_lock_sched_held+0x14f/0x180 [ 321.111417] __do_softirq+0x308/0xb7e [ 321.115223] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 321.119719] ? lock_downgrade+0x900/0x900 [ 321.123876] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 321.128994] ? pvclock_read_flags+0x160/0x160 [ 321.133493] ? lapic_next_event+0x5a/0x90 [ 321.137649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.143190] ? kvm_clock_read+0x18/0x30 [ 321.147171] ? kvm_sched_clock_read+0x9/0x20 [ 321.151597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.157142] ? check_preemption_disabled+0x48/0x280 [ 321.162168] irq_exit+0x17f/0x1c0 [ 321.165627] smp_apic_timer_interrupt+0x1cb/0x760 [ 321.170469] ? smp_reschedule_interrupt+0x109/0x650 [ 321.175488] ? smp_call_function_single_interrupt+0x650/0x650 [ 321.181371] ? interrupt_entry+0xb5/0xc0 [ 321.185435] ? trace_hardirqs_off_caller+0xbb/0x310 [ 321.190448] ? trace_hardirqs_off_caller+0xbb/0x310 [ 321.195476] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.200319] ? trace_hardirqs_on_caller+0x310/0x310 [ 321.205335] ? trace_hardirqs_on_caller+0x310/0x310 [ 321.210353] ? task_prio+0x50/0x50 [ 321.213899] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.219483] ? check_preemption_disabled+0x48/0x280 [ 321.224507] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.229357] apic_timer_interrupt+0xf/0x20 [ 321.233587] [ 321.235828] RIP: 0010:console_unlock+0x102f/0x1190 [ 321.240795] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 321.259697] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 321.267401] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 321.274674] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 321.281962] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 321.289231] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 321.296494] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 321.303779] ? netconsole_netdev_event+0x280/0x280 [ 321.308720] ? console_unlock+0x1026/0x1190 [ 321.313068] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 321.317747] ? lock_release+0xa00/0xa00 [ 321.321724] ? retint_kernel+0x2d/0x2d [ 321.325629] vprintk_emit+0x391/0x990 [ 321.329455] ? wake_up_klogd+0x180/0x180 [ 321.333524] ? match_held_lock+0x811/0x8d0 [ 321.337774] ? mark_held_locks+0xc7/0x130 [ 321.341935] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.346433] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.350947] vprintk_default+0x28/0x30 [ 321.354839] vprintk_func+0x7e/0x181 [ 321.358555] printk+0xa7/0xcf [ 321.361660] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 321.366418] ? _raw_spin_unlock_irq+0x60/0x80 [ 321.370940] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 321.376229] dump_header+0x7cc/0xf72 [ 321.379958] ? pagefault_out_of_memory+0x197/0x197 [ 321.384909] ? __lock_acquire+0x62f/0x4c20 [ 321.389161] ? percpu_ref_get_many+0x240/0x240 [ 321.393746] ? print_usage_bug+0xc0/0xc0 [ 321.397812] ? zap_class+0x640/0x640 [ 321.401530] ? print_usage_bug+0xc0/0xc0 [ 321.405594] ? zap_class+0x640/0x640 [ 321.409317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.414861] ? find_held_lock+0x36/0x1c0 [ 321.418946] ? mark_held_locks+0xc7/0x130 [ 321.423104] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 321.428220] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 321.433330] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 321.437929] ? trace_hardirqs_on+0xbd/0x310 [ 321.442257] ? kasan_check_read+0x11/0x20 [ 321.446422] ? ___ratelimit+0x3b4/0x672 [ 321.450399] ? trace_hardirqs_off_caller+0x310/0x310 [ 321.455510] ? trace_hardirqs_on+0x310/0x310 [ 321.459941] ? lock_downgrade+0x900/0x900 [ 321.464100] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 321.469204] ? ___ratelimit+0x3b9/0x672 [ 321.473183] ? idr_get_free+0xf70/0xf70 [ 321.477156] ? find_held_lock+0x36/0x1c0 [ 321.481230] oom_kill_process.cold.27+0x10/0x903 [ 321.485991] ? zap_class+0x640/0x640 [ 321.489705] ? check_preemption_disabled+0x48/0x280 [ 321.494735] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 321.499674] ? kasan_check_read+0x11/0x20 [ 321.503820] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.509103] ? oom_evaluate_task+0x540/0x540 [ 321.513515] ? find_held_lock+0x36/0x1c0 [ 321.517585] ? out_of_memory+0x974/0x1430 [ 321.521739] ? lock_downgrade+0x900/0x900 [ 321.525886] ? check_preemption_disabled+0x48/0x280 [ 321.530929] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 321.535857] ? kasan_check_read+0x11/0x20 [ 321.540011] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.545287] ? rcu_softirq_qs+0x20/0x20 [ 321.549271] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 321.554806] ? oom_evaluate_task+0x302/0x540 [ 321.559218] out_of_memory+0xa84/0x1430 [ 321.563207] ? oom_killer_disable+0x3a0/0x3a0 [ 321.567702] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 321.572653] ? __ww_mutex_check_waiters+0x160/0x160 [ 321.577691] __alloc_pages_slowpath+0x232c/0x2de0 [ 321.582593] ? warn_alloc+0x120/0x120 [ 321.586395] ? mark_held_locks+0x130/0x130 [ 321.590636] ? find_get_entry+0xaae/0x1120 [ 321.594883] ? filemap_map_pages+0x1a20/0x1a20 [ 321.599506] ? zap_class+0x640/0x640 [ 321.603318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.609356] ? check_preemption_disabled+0x48/0x280 [ 321.614396] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.619956] ? should_fail+0x22d/0xd01 [ 321.623848] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.628961] ? zap_class+0x640/0x640 [ 321.632700] ? __lock_is_held+0xb5/0x140 [ 321.636773] ? mark_held_locks+0x130/0x130 [ 321.641009] ? lock_release+0xa00/0xa00 [ 321.644986] ? perf_trace_sched_process_exec+0x860/0x860 [ 321.650436] ? xa_load+0x2ba/0x460 [ 321.653992] ? lock_downgrade+0x900/0x900 [ 321.658146] ? __might_sleep+0x95/0x190 [ 321.662126] __alloc_pages_nodemask+0xad8/0xea0 [ 321.666806] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 321.671825] ? __page_cache_alloc+0x191/0x5c0 [ 321.676318] ? xa_load+0x2e1/0x460 [ 321.679861] ? xa_clear_mark+0x40/0x40 [ 321.683745] ? zap_class+0x640/0x640 [ 321.687462] ? zap_class+0x640/0x640 [ 321.691184] ? zap_class+0x640/0x640 [ 321.694896] ? zap_class+0x640/0x640 [ 321.698621] ? __do_page_cache_readahead+0x663/0x810 [ 321.703730] ? find_held_lock+0x36/0x1c0 [ 321.707801] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 321.713343] alloc_pages_current+0x173/0x350 [ 321.717762] __page_cache_alloc+0x38c/0x5c0 [ 321.722085] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 321.727018] ? kasan_check_read+0x11/0x20 [ 321.731169] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.736446] ? generic_perform_write+0x6a0/0x6a0 [ 321.741205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.746749] ? check_preemption_disabled+0x48/0x280 [ 321.751773] filemap_fault+0x1595/0x25f0 [ 321.755848] ? __lock_page_or_retry+0xa00/0xa00 [ 321.760521] ? mark_held_locks+0x130/0x130 [ 321.764764] ? filemap_map_pages+0xd6b/0x1a20 [ 321.769262] ? lock_downgrade+0x900/0x900 [ 321.773414] ? check_preemption_disabled+0x48/0x280 [ 321.778432] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 321.783365] ? kasan_check_read+0x11/0x20 [ 321.787511] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.792786] ? rcu_softirq_qs+0x20/0x20 [ 321.796777] ? filemap_map_pages+0xd92/0x1a20 [ 321.801277] ? queue_work_on+0x12c/0x1e0 [ 321.805346] ? find_get_entries_tag+0x1400/0x1400 [ 321.810191] ? debug_object_destroy+0x2b0/0x2b0 [ 321.814868] ? lock_pi_update_atomic+0x150/0x150 [ 321.819624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.825175] ? lock_acquire+0x1ed/0x520 [ 321.829148] ? ext4_filemap_fault+0x7a/0xad [ 321.833478] ? lock_release+0xa00/0xa00 [ 321.837451] ? perf_trace_sched_process_exec+0x860/0x860 [ 321.842902] ? print_usage_bug+0xc0/0xc0 [ 321.846978] ? print_usage_bug+0xc0/0xc0 [ 321.851051] ? down_read+0x8d/0x120 [ 321.854674] ? ext4_filemap_fault+0x7a/0xad [ 321.858998] ? __down_interruptible+0x700/0x700 [ 321.863678] ext4_filemap_fault+0x82/0xad [ 321.867828] __do_fault+0x100/0x6b0 [ 321.871457] ? perf_tp_event+0xc20/0xc20 [ 321.875526] ? pmd_devmap_trans_unstable+0x220/0x220 [ 321.880631] ? mark_held_locks+0x130/0x130 [ 321.884866] ? mark_held_locks+0x130/0x130 [ 321.889105] ? debug_smp_processor_id+0x1c/0x20 [ 321.893774] ? perf_trace_lock+0x14d/0x7a0 [ 321.898015] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.903578] __handle_mm_fault+0x3ea0/0x5be0 [ 321.908002] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 321.912845] ? lock_is_held_type+0x210/0x210 [ 321.917261] ? __switch_to_asm+0x34/0x70 [ 321.921321] ? __switch_to_asm+0x34/0x70 [ 321.925396] ? zap_class+0x640/0x640 [ 321.929129] ? zap_class+0x640/0x640 [ 321.932842] ? __x64_sys_futex+0x53e/0x6a0 [ 321.937084] ? find_held_lock+0x36/0x1c0 [ 321.941155] ? handle_mm_fault+0x42a/0xc70 [ 321.945390] ? lock_downgrade+0x900/0x900 [ 321.949541] ? check_preemption_disabled+0x48/0x280 [ 321.954557] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 321.959485] ? kasan_check_read+0x11/0x20 [ 321.963632] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.968920] ? rcu_softirq_qs+0x20/0x20 [ 321.972901] ? trace_hardirqs_off_caller+0x310/0x310 [ 321.978019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.983559] ? check_preemption_disabled+0x48/0x280 [ 321.988596] handle_mm_fault+0x54f/0xc70 [ 321.992659] ? __handle_mm_fault+0x5be0/0x5be0 [ 321.997246] ? find_vma+0x34/0x190 [ 322.000791] __do_page_fault+0x5e8/0xe60 [ 322.004856] ? trace_hardirqs_off+0xb8/0x310 [ 322.009280] do_page_fault+0xf2/0x7e0 [ 322.013081] ? vmalloc_sync_all+0x30/0x30 [ 322.017232] ? error_entry+0x70/0xd0 [ 322.020955] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.025974] ? trace_hardirqs_on_caller+0xc0/0x310 [ 322.030904] ? syscall_return_slowpath+0x5e0/0x5e0 [ 322.035843] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.040687] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.045703] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 322.051156] ? prepare_exit_to_usermode+0x291/0x3b0 [ 322.056176] ? page_fault+0x8/0x30 [ 322.059732] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.064576] ? page_fault+0x8/0x30 [ 322.068117] page_fault+0x1e/0x30 [ 322.071568] RIP: 0033:0x45ddf3 [ 322.074776] Code: Bad RIP value. [ 322.078137] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 322.083501] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 322.090770] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 322.098053] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 322.105318] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 322.112587] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 322.119880] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 322.119885] warn_alloc_show_mem: 1 callbacks suppressed [ 322.119893] Mem-Info: [ 322.126934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.132301] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 322.132301] active_file:10 inactive_file:13 isolated_file:0 [ 322.132301] unevictable:0 dirty:0 writeback:0 unstable:0 [ 322.132301] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 322.132301] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 322.132301] free:13776 free_pcp:523 free_cma:0 [ 322.134671] Call Trace: [ 322.144058] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 322.177076] [ 322.179649] 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 [ 322.207322] dump_stack+0x244/0x39d [ 322.209439] lowmem_reserve[]: 0 2818 6321 6321 [ 322.235553] ? dump_stack_print_info.cold.1+0x20/0x20 [ 322.239148] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 322.243744] warn_alloc.cold.116+0xb7/0x1bd [ 322.248940] lowmem_reserve[]: 0 0 3503 3503 [ 322.276559] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 322.280861] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 322.285182] ? lock_downgrade+0x900/0x900 [ 322.289995] lowmem_reserve[]: 0 0 0 0 [ 322.319068] ? trace_hardirqs_off+0xb8/0x310 [ 322.323189] 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 [ 322.326985] ? trace_hardirqs_off+0xb8/0x310 [ 322.331365] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 322.344894] __alloc_pages_slowpath+0x2651/0x2de0 [ 322.349270] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 322.364388] ? warn_alloc+0x120/0x120 [ 322.369194] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 322.383572] ? print_usage_bug+0xc0/0xc0 [ 322.387352] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 322.396178] ? warn_alloc+0x120/0x120 [ 322.400214] 1516 total pagecache pages [ 322.408784] ? warn_alloc+0x120/0x120 [ 322.412567] 0 pages in swap cache [ 322.416485] ? print_usage_bug+0xc0/0xc0 [ 322.420263] Swap cache stats: add 0, delete 0, find 0/0 [ 322.423704] ? print_usage_bug+0xc0/0xc0 [ 322.427739] Free swap = 0kB [ 322.433110] ? __lock_acquire+0x62f/0x4c20 [ 322.437146] Total swap = 0kB [ 322.440163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.444385] 1965979 pages RAM [ 322.447466] ? should_fail+0x22d/0xd01 [ 322.453005] 0 pages HighMem/MovableOnly [ 322.456101] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.460011] 342854 pages reserved [ 322.464000] ? __lock_acquire+0x62f/0x4c20 [ 322.469082] 0 pages cma reserved [ 322.472527] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.476811] aoe: skb alloc failure [ 322.480106] ? __lock_acquire+0x62f/0x4c20 [ 322.480118] ? should_fail+0x22d/0xd01 [ 322.480132] ? find_held_lock+0x36/0x1c0 [ 322.480153] ? mark_held_locks+0x130/0x130 [ 322.485265] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 322.488768] ? mark_held_locks+0x130/0x130 [ 322.492979] syz-fuzzer cpuset=/ mems_allowed=0 [ 322.496862] ? zap_class+0x640/0x640 [ 322.527824] ? zap_class+0x640/0x640 [ 322.531553] ? print_usage_bug+0xc0/0xc0 [ 322.535612] ? do_raw_spin_unlock+0xa7/0x330 [ 322.540024] ? zap_class+0x640/0x640 [ 322.543752] ? print_usage_bug+0xc0/0xc0 [ 322.547814] ? wq_watchdog_touch+0x9c/0xfe [ 322.552061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.557602] ? check_preemption_disabled+0x48/0x280 [ 322.562632] ? __lock_is_held+0xb5/0x140 [ 322.566703] __alloc_pages_nodemask+0xad8/0xea0 [ 322.571390] ? zap_class+0x640/0x640 [ 322.575114] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 322.580148] ? find_held_lock+0x36/0x1c0 [ 322.584219] ? ____cache_alloc_node+0x1c7/0x1e0 [ 322.588889] ? lock_downgrade+0x900/0x900 [ 322.593052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.598595] cache_grow_begin+0xa5/0x8c0 [ 322.602659] ? do_raw_spin_unlock+0xa7/0x330 [ 322.607074] fallback_alloc+0x204/0x2e0 [ 322.611056] ____cache_alloc_node+0x1c7/0x1e0 [ 322.615555] kmem_cache_alloc_node+0xe3/0x730 [ 322.620054] ? ipv6_get_ifaddr+0x42e/0x620 [ 322.624298] __alloc_skb+0x119/0x770 [ 322.628010] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 322.633293] ? netdev_alloc_frag+0x1f0/0x1f0 [ 322.637714] ? lock_downgrade+0x900/0x900 [ 322.641875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.647414] ? refcount_sub_and_test_checked+0x203/0x310 [ 322.652875] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 322.658326] ? addrconf_rs_timer+0x690/0x690 [ 322.662746] ndisc_alloc_skb+0x144/0x340 [ 322.666811] ndisc_send_rs+0x331/0x6e0 [ 322.670704] addrconf_rs_timer+0x314/0x690 [ 322.674953] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.679203] call_timer_fn+0x272/0x920 [ 322.683095] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.687329] ? process_timeout+0x40/0x40 [ 322.691404] ? mark_held_locks+0xc7/0x130 [ 322.695558] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.700054] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.704549] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.708789] ? lockdep_hardirqs_on+0x296/0x5b0 [ 322.713372] ? trace_hardirqs_on+0xbd/0x310 [ 322.717742] ? kasan_check_read+0x11/0x20 [ 322.721898] ? __run_timers+0x7da/0xc70 [ 322.725881] ? trace_hardirqs_off_caller+0x310/0x310 [ 322.730998] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.735257] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.740023] __run_timers+0x7e5/0xc70 [ 322.743833] ? timer_fixup_init+0x70/0x70 [ 322.747987] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 322.753004] ? zap_class+0x640/0x640 [ 322.756726] ? print_usage_bug+0xc0/0xc0 [ 322.760788] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 322.765984] ? find_held_lock+0x36/0x1c0 [ 322.770049] ? zap_class+0x640/0x640 [ 322.773770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.779312] ? check_preemption_disabled+0x48/0x280 [ 322.784339] ? __lock_is_held+0xb5/0x140 [ 322.788401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.793953] ? check_preemption_disabled+0x48/0x280 [ 322.798992] run_timer_softirq+0x52/0xb0 [ 322.803059] ? rcu_read_lock_sched_held+0x14f/0x180 [ 322.808077] __do_softirq+0x308/0xb7e [ 322.811882] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 322.816386] ? lock_downgrade+0x900/0x900 [ 322.820542] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 322.825696] ? pvclock_read_flags+0x160/0x160 [ 322.830193] ? lapic_next_event+0x5a/0x90 [ 322.834344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.839885] ? kvm_clock_read+0x18/0x30 [ 322.843868] ? kvm_sched_clock_read+0x9/0x20 [ 322.848278] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.853816] ? check_preemption_disabled+0x48/0x280 [ 322.858840] irq_exit+0x17f/0x1c0 [ 322.862295] smp_apic_timer_interrupt+0x1cb/0x760 [ 322.867138] ? smp_reschedule_interrupt+0x109/0x650 [ 322.872158] ? smp_call_function_single_interrupt+0x650/0x650 [ 322.878041] ? interrupt_entry+0xb5/0xc0 [ 322.882108] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.887124] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.892145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.896991] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.902020] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.907055] ? task_prio+0x50/0x50 [ 322.910596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.916140] ? check_preemption_disabled+0x48/0x280 [ 322.921164] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.926022] apic_timer_interrupt+0xf/0x20 [ 322.930253] [ 322.932493] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 322.937428] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 322.956348] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 322.964055] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 322.971322] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 322.978616] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 322.985910] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 322.993185] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 323.000495] rcu_read_lock_held+0xa9/0xc0 [ 323.004646] list_lru_count_one+0x31a/0x450 [ 323.008968] ? list_lru_isolate_move+0x3c0/0x3c0 [ 323.013734] ? deferred_split_count+0x65/0x170 [ 323.018332] ? shrink_huge_zero_page_count+0xc8/0x100 [ 323.023548] super_cache_count+0x153/0x2e0 [ 323.027828] do_shrink_slab+0x1b1/0xd30 [ 323.031807] ? lock_acquire+0x1ed/0x520 [ 323.035793] ? snapshot_refaults+0x290/0x290 [ 323.040204] ? lock_release+0xa00/0xa00 [ 323.044190] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 323.049130] ? down_read_trylock+0xda/0x140 [ 323.053454] ? shrink_slab+0x207/0x8c0 [ 323.057340] ? downgrade_write+0x270/0x270 [ 323.061584] shrink_slab+0x389/0x8c0 [ 323.065303] ? shrink_active_list+0x1f00/0x1f00 [ 323.069984] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 323.075641] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 323.080752] ? cgroup_procs_write_finish+0xf0/0xf0 [ 323.085736] ? find_held_lock+0x36/0x1c0 [ 323.089835] shrink_node+0x431/0x16b0 [ 323.093682] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 323.098994] ? shrink_node_memcg+0x18f0/0x18f0 [ 323.103584] ? kvm_clock_read+0x18/0x30 [ 323.107573] ? ktime_get+0x2c1/0x400 [ 323.111293] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 323.115793] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 323.121333] ? __cpuset_node_allowed+0x19b/0x660 [ 323.126095] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 323.131805] ? delayacct_end+0x5a/0x100 [ 323.135794] do_try_to_free_pages+0x3e7/0x1290 [ 323.140374] ? zap_class+0x640/0x640 [ 323.144105] ? shrink_node+0x16b0/0x16b0 [ 323.148171] ? __lock_is_held+0xb5/0x140 [ 323.152247] try_to_free_pages+0x4d0/0xb90 [ 323.156486] ? do_try_to_free_pages+0x1290/0x1290 [ 323.161345] ? lock_acquire+0x1ed/0x520 [ 323.165322] ? set_page_refcounted+0x280/0x280 [ 323.169910] ? lock_release+0xa00/0xa00 [ 323.173903] ? _raw_spin_unlock_irq+0x60/0x80 [ 323.178409] ? psi_memstall_enter+0x240/0x2b0 [ 323.182908] ? psi_memstall_tick+0x230/0x230 [ 323.187337] __alloc_pages_slowpath+0xa48/0x2de0 [ 323.192122] ? warn_alloc+0x120/0x120 [ 323.195932] ? mark_held_locks+0x130/0x130 [ 323.200175] ? find_get_entry+0xaae/0x1120 [ 323.204420] ? filemap_map_pages+0x1a20/0x1a20 [ 323.209010] ? zap_class+0x640/0x640 [ 323.212731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.218273] ? check_preemption_disabled+0x48/0x280 [ 323.223290] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.228837] ? should_fail+0x22d/0xd01 [ 323.232728] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.237838] ? zap_class+0x640/0x640 [ 323.241576] ? __lock_is_held+0xb5/0x140 [ 323.245649] ? mark_held_locks+0x130/0x130 [ 323.249887] ? lock_release+0xa00/0xa00 [ 323.253869] ? perf_trace_sched_process_exec+0x860/0x860 [ 323.259338] ? xa_load+0x2ba/0x460 [ 323.262882] ? lock_downgrade+0x900/0x900 [ 323.267039] ? __might_sleep+0x95/0x190 [ 323.271022] __alloc_pages_nodemask+0xad8/0xea0 [ 323.275700] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 323.280727] ? __page_cache_alloc+0x191/0x5c0 [ 323.285221] ? xa_load+0x2e1/0x460 [ 323.288761] ? xa_clear_mark+0x40/0x40 [ 323.292653] ? zap_class+0x640/0x640 [ 323.296376] ? zap_class+0x640/0x640 [ 323.300087] ? zap_class+0x640/0x640 [ 323.303803] ? __do_page_cache_readahead+0x663/0x810 [ 323.308909] ? find_held_lock+0x36/0x1c0 [ 323.312990] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 323.318537] alloc_pages_current+0x173/0x350 [ 323.322959] __page_cache_alloc+0x38c/0x5c0 [ 323.327278] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 323.332207] ? kasan_check_read+0x11/0x20 [ 323.336355] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 323.341633] ? generic_perform_write+0x6a0/0x6a0 [ 323.346391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.351950] ? check_preemption_disabled+0x48/0x280 [ 323.356976] filemap_fault+0x1595/0x25f0 [ 323.361052] ? __lock_page_or_retry+0xa00/0xa00 [ 323.365739] ? mark_held_locks+0x130/0x130 [ 323.369985] ? filemap_map_pages+0xd6b/0x1a20 [ 323.374485] ? lock_downgrade+0x900/0x900 [ 323.378632] ? check_preemption_disabled+0x48/0x280 [ 323.383650] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 323.388580] ? kasan_check_read+0x11/0x20 [ 323.392740] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 323.398028] ? rcu_softirq_qs+0x20/0x20 [ 323.402029] ? filemap_map_pages+0xd92/0x1a20 [ 323.406528] ? print_usage_bug+0xc0/0xc0 [ 323.410608] ? find_get_entries_tag+0x1400/0x1400 [ 323.415454] ? __kasan_slab_free+0x102/0x150 [ 323.419862] ? kasan_slab_free+0xe/0x10 [ 323.423839] ? kmem_cache_free+0x83/0x290 [ 323.427987] ? __sigqueue_free.part.29+0x74/0x90 [ 323.432761] ? lock_acquire+0x1ed/0x520 [ 323.436733] ? ext4_filemap_fault+0x7a/0xad [ 323.441059] ? lock_release+0xa00/0xa00 [ 323.445041] ? perf_trace_sched_process_exec+0x860/0x860 [ 323.450494] ? print_usage_bug+0xc0/0xc0 [ 323.454599] ? print_usage_bug+0xc0/0xc0 [ 323.458720] ? down_read+0x8d/0x120 [ 323.462345] ? ext4_filemap_fault+0x7a/0xad [ 323.466666] ? __down_interruptible+0x700/0x700 [ 323.471347] ext4_filemap_fault+0x82/0xad [ 323.475498] __do_fault+0x100/0x6b0 [ 323.479129] ? pmd_devmap_trans_unstable+0x220/0x220 [ 323.484237] ? mark_held_locks+0x130/0x130 [ 323.488476] ? mark_held_locks+0x130/0x130 [ 323.492712] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 323.498251] ? rcu_pm_notify+0xc0/0xc0 [ 323.502150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.507719] __handle_mm_fault+0x3ea0/0x5be0 [ 323.512138] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 323.516978] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.521478] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 323.526064] ? trace_hardirqs_on+0xbd/0x310 [ 323.530401] ? kasan_check_read+0x11/0x20 [ 323.534569] ? __set_current_blocked+0xdf/0x120 [ 323.539243] ? trace_hardirqs_off_caller+0x310/0x310 [ 323.544370] ? zap_class+0x640/0x640 [ 323.548084] ? zap_class+0x640/0x640 [ 323.551803] ? find_held_lock+0x36/0x1c0 [ 323.555872] ? handle_mm_fault+0x42a/0xc70 [ 323.560111] ? lock_downgrade+0x900/0x900 [ 323.564259] ? check_preemption_disabled+0x48/0x280 [ 323.569280] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 323.574207] ? kasan_check_read+0x11/0x20 [ 323.578358] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 323.583637] ? rcu_softirq_qs+0x20/0x20 [ 323.587625] ? trace_hardirqs_off_caller+0x310/0x310 [ 323.592729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.598273] ? check_preemption_disabled+0x48/0x280 [ 323.603295] handle_mm_fault+0x54f/0xc70 [ 323.607571] ? __handle_mm_fault+0x5be0/0x5be0 [ 323.612159] ? find_vma+0x34/0x190 [ 323.615718] __do_page_fault+0x5e8/0xe60 [ 323.619785] ? exit_to_usermode_loop+0x1f4/0x380 [ 323.624549] do_page_fault+0xf2/0x7e0 [ 323.628352] ? vmalloc_sync_all+0x30/0x30 [ 323.632501] ? error_entry+0x70/0xd0 [ 323.636314] ? trace_hardirqs_off_caller+0xbb/0x310 [ 323.641329] ? trace_hardirqs_on_caller+0xc0/0x310 [ 323.646265] ? syscall_return_slowpath+0x5e0/0x5e0 [ 323.651204] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.656050] ? trace_hardirqs_on_caller+0x310/0x310 [ 323.661068] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.666527] ? prepare_exit_to_usermode+0x291/0x3b0 [ 323.671556] ? page_fault+0x8/0x30 [ 323.675099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.679949] ? page_fault+0x8/0x30 [ 323.683494] page_fault+0x1e/0x30 [ 323.686951] RIP: 0033:0x45db60 [ 323.690157] Code: Bad RIP value. [ 323.693518] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 323.698877] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 323.706142] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 323.713406] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 323.720681] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 323.727950] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 323.735251] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 323.735319] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 323.742273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.742278] Call Trace: [ 323.742285] [ 323.742304] dump_stack+0x244/0x39d [ 323.742326] ? dump_stack_print_info.cold.1+0x20/0x20 [ 323.748889] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.758161] warn_alloc.cold.116+0xb7/0x1bd [ 323.760718] syz-fuzzer cpuset=/ mems_allowed=0 [ 323.762863] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.795585] ? lock_downgrade+0x900/0x900 [ 323.799742] ? trace_hardirqs_off+0xb8/0x310 [ 323.804161] ? trace_hardirqs_off+0xb8/0x310 [ 323.808581] __alloc_pages_slowpath+0x2651/0x2de0 [ 323.813455] ? warn_alloc+0x120/0x120 [ 323.817262] ? warn_alloc+0x120/0x120 [ 323.821069] ? __lock_acquire+0x62f/0x4c20 [ 323.825318] ? warn_alloc+0x120/0x120 [ 323.829123] ? print_usage_bug+0xc0/0xc0 [ 323.833196] ? print_usage_bug+0xc0/0xc0 [ 323.837268] ? mark_held_locks+0x130/0x130 [ 323.841511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.847067] ? should_fail+0x22d/0xd01 [ 323.850964] ? zap_class+0x640/0x640 [ 323.854685] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.859828] ? __lock_acquire+0x62f/0x4c20 [ 323.864074] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.869177] ? should_fail+0x22d/0xd01 [ 323.873079] ? mark_held_locks+0x130/0x130 [ 323.877316] ? mark_held_locks+0x130/0x130 [ 323.881568] ? lock_downgrade+0x900/0x900 [ 323.885751] ? zap_class+0x640/0x640 [ 323.889471] ? zap_class+0x640/0x640 [ 323.893188] ? zap_class+0x640/0x640 [ 323.896900] ? do_raw_spin_unlock+0xa7/0x330 [ 323.901319] ? trace_hardirqs_on+0x310/0x310 [ 323.905740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.911278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.916818] ? check_preemption_disabled+0x48/0x280 [ 323.921844] ? __lock_is_held+0xb5/0x140 [ 323.925911] __alloc_pages_nodemask+0xad8/0xea0 [ 323.930626] ? zap_class+0x640/0x640 [ 323.934348] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 323.939383] ? find_held_lock+0x36/0x1c0 [ 323.943490] ? ____cache_alloc_node+0x1c7/0x1e0 [ 323.948173] ? lock_downgrade+0x900/0x900 [ 323.952330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.957874] cache_grow_begin+0xa5/0x8c0 [ 323.961946] ? do_raw_spin_unlock+0xa7/0x330 [ 323.966362] fallback_alloc+0x204/0x2e0 [ 323.970354] ____cache_alloc_node+0x1c7/0x1e0 [ 323.974857] kmem_cache_alloc_node+0xe3/0x730 [ 323.979356] ? lockdep_hardirqs_on+0x296/0x5b0 [ 323.983959] __alloc_skb+0x119/0x770 [ 323.987687] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 323.993055] ? netdev_alloc_frag+0x1f0/0x1f0 [ 323.997478] ? vprintk_default+0x28/0x30 [ 324.001538] ? vprintk_func+0x85/0x181 [ 324.005426] ? printk+0xa7/0xcf [ 324.008705] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 324.013510] ? do_raw_spin_trylock+0x270/0x270 [ 324.018097] new_skb+0x26/0x1c0 [ 324.021379] aoecmd_cfg+0x279/0x7f0 [ 324.025012] ? find_held_lock+0x36/0x1c0 [ 324.029077] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 324.033405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.038967] ? __lock_is_held+0xb5/0x140 [ 324.043046] discover_timer+0x50/0x60 [ 324.046844] call_timer_fn+0x272/0x920 [ 324.050734] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 324.055578] ? process_timeout+0x40/0x40 [ 324.059647] ? mark_held_locks+0xc7/0x130 [ 324.063799] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.068298] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.072795] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 324.077636] ? lockdep_hardirqs_on+0x296/0x5b0 [ 324.082224] ? trace_hardirqs_on+0xbd/0x310 [ 324.086547] ? kasan_check_read+0x11/0x20 [ 324.090712] ? __run_timers+0x7da/0xc70 [ 324.094692] ? trace_hardirqs_off_caller+0x310/0x310 [ 324.099807] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 324.104654] __run_timers+0x7e5/0xc70 [ 324.108463] ? timer_fixup_init+0x70/0x70 [ 324.112620] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 324.117640] ? zap_class+0x640/0x640 [ 324.121360] ? print_usage_bug+0xc0/0xc0 [ 324.125423] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 324.130634] ? find_held_lock+0x36/0x1c0 [ 324.134707] ? zap_class+0x640/0x640 [ 324.138432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.143977] ? check_preemption_disabled+0x48/0x280 [ 324.149003] ? __lock_is_held+0xb5/0x140 [ 324.153066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.158608] ? check_preemption_disabled+0x48/0x280 [ 324.163628] run_timer_softirq+0x52/0xb0 [ 324.167690] ? rcu_read_lock_sched_held+0x14f/0x180 [ 324.172708] __do_softirq+0x308/0xb7e [ 324.176550] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 324.181076] ? lock_downgrade+0x900/0x900 [ 324.185228] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 324.190340] ? pvclock_read_flags+0x160/0x160 [ 324.194857] ? lapic_next_event+0x5a/0x90 [ 324.199011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.204558] ? kvm_clock_read+0x18/0x30 [ 324.208536] ? kvm_sched_clock_read+0x9/0x20 [ 324.212960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.218499] ? check_preemption_disabled+0x48/0x280 [ 324.223539] irq_exit+0x17f/0x1c0 [ 324.226998] smp_apic_timer_interrupt+0x1cb/0x760 [ 324.231841] ? smp_reschedule_interrupt+0x109/0x650 [ 324.236858] ? smp_call_function_single_interrupt+0x650/0x650 [ 324.242763] ? interrupt_entry+0xb5/0xc0 [ 324.246824] ? trace_hardirqs_off_caller+0xbb/0x310 [ 324.251839] ? trace_hardirqs_off_caller+0xbb/0x310 [ 324.256871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.261716] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.266732] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.271764] ? task_prio+0x50/0x50 [ 324.275306] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.280852] ? check_preemption_disabled+0x48/0x280 [ 324.285911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.290780] apic_timer_interrupt+0xf/0x20 [ 324.295008] [ 324.297249] RIP: 0010:console_unlock+0x102f/0x1190 [ 324.302185] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 324.321086] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 324.328795] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 324.336063] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 324.343328] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 324.350596] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 324.357867] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 324.365157] ? netconsole_netdev_event+0x280/0x280 [ 324.370109] ? console_unlock+0x1026/0x1190 [ 324.374468] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 324.379145] ? lock_release+0xa00/0xa00 [ 324.383134] ? retint_kernel+0x2d/0x2d [ 324.387038] vprintk_emit+0x391/0x990 [ 324.390878] ? wake_up_klogd+0x180/0x180 [ 324.394973] ? match_held_lock+0x811/0x8d0 [ 324.399218] ? mark_held_locks+0xc7/0x130 [ 324.403369] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.407867] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.412369] vprintk_default+0x28/0x30 [ 324.416270] vprintk_func+0x7e/0x181 [ 324.419985] printk+0xa7/0xcf [ 324.423102] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 324.427862] ? _raw_spin_unlock_irq+0x60/0x80 [ 324.432374] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 324.437657] dump_header+0x7cc/0xf72 [ 324.441382] ? pagefault_out_of_memory+0x197/0x197 [ 324.446319] ? __lock_acquire+0x62f/0x4c20 [ 324.450560] ? percpu_ref_get_many+0x240/0x240 [ 324.455151] ? print_usage_bug+0xc0/0xc0 [ 324.459220] ? zap_class+0x640/0x640 [ 324.462949] ? print_usage_bug+0xc0/0xc0 [ 324.467012] ? zap_class+0x640/0x640 [ 324.470729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.476270] ? find_held_lock+0x36/0x1c0 [ 324.480340] ? mark_held_locks+0xc7/0x130 [ 324.484493] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 324.489598] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 324.494703] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 324.499388] ? trace_hardirqs_on+0xbd/0x310 [ 324.503735] ? kasan_check_read+0x11/0x20 [ 324.507901] ? ___ratelimit+0x3b4/0x672 [ 324.511887] ? trace_hardirqs_off_caller+0x310/0x310 [ 324.517002] ? trace_hardirqs_on+0x310/0x310 [ 324.521410] ? lock_downgrade+0x900/0x900 [ 324.525651] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 324.530798] ? ___ratelimit+0x3b9/0x672 [ 324.534791] ? idr_get_free+0xf70/0xf70 [ 324.538782] ? find_held_lock+0x36/0x1c0 [ 324.542869] oom_kill_process.cold.27+0x10/0x903 [ 324.547645] ? zap_class+0x640/0x640 [ 324.551365] ? check_preemption_disabled+0x48/0x280 [ 324.556435] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 324.561399] ? kasan_check_read+0x11/0x20 [ 324.565549] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.570830] ? oom_evaluate_task+0x540/0x540 [ 324.575240] ? find_held_lock+0x36/0x1c0 [ 324.579322] ? out_of_memory+0x974/0x1430 [ 324.583478] ? lock_downgrade+0x900/0x900 [ 324.587623] ? check_preemption_disabled+0x48/0x280 [ 324.592642] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 324.597571] ? kasan_check_read+0x11/0x20 [ 324.601714] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.606989] ? rcu_softirq_qs+0x20/0x20 [ 324.610972] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 324.616525] ? oom_evaluate_task+0x302/0x540 [ 324.620947] out_of_memory+0xa84/0x1430 [ 324.624945] ? oom_killer_disable+0x3a0/0x3a0 [ 324.629444] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 324.634378] ? __ww_mutex_check_waiters+0x160/0x160 [ 324.639405] __alloc_pages_slowpath+0x232c/0x2de0 [ 324.644275] ? warn_alloc+0x120/0x120 [ 324.648073] ? mark_held_locks+0x130/0x130 [ 324.652317] ? find_get_entry+0xaae/0x1120 [ 324.656575] ? filemap_map_pages+0x1a20/0x1a20 [ 324.661162] ? zap_class+0x640/0x640 [ 324.664881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.670429] ? check_preemption_disabled+0x48/0x280 [ 324.675463] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.681011] ? should_fail+0x22d/0xd01 [ 324.684904] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.690023] ? zap_class+0x640/0x640 [ 324.693766] ? __lock_is_held+0xb5/0x140 [ 324.697834] ? mark_held_locks+0x130/0x130 [ 324.702077] ? lock_release+0xa00/0xa00 [ 324.706053] ? perf_trace_sched_process_exec+0x860/0x860 [ 324.711505] ? xa_load+0x2ba/0x460 [ 324.715045] ? lock_downgrade+0x900/0x900 [ 324.719199] ? __might_sleep+0x95/0x190 [ 324.723185] __alloc_pages_nodemask+0xad8/0xea0 [ 324.727860] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 324.732879] ? __page_cache_alloc+0x191/0x5c0 [ 324.737492] ? xa_load+0x2e1/0x460 [ 324.741034] ? xa_clear_mark+0x40/0x40 [ 324.744932] ? zap_class+0x640/0x640 [ 324.748665] ? zap_class+0x640/0x640 [ 324.752402] ? zap_class+0x640/0x640 [ 324.756123] ? zap_class+0x640/0x640 [ 324.759839] ? __do_page_cache_readahead+0x663/0x810 [ 324.764962] ? find_held_lock+0x36/0x1c0 [ 324.769034] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 324.774577] alloc_pages_current+0x173/0x350 [ 324.778994] __page_cache_alloc+0x38c/0x5c0 [ 324.783316] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 324.788244] ? kasan_check_read+0x11/0x20 [ 324.792390] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.797668] ? generic_perform_write+0x6a0/0x6a0 [ 324.802425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.807967] ? check_preemption_disabled+0x48/0x280 [ 324.813007] filemap_fault+0x1595/0x25f0 [ 324.817094] ? __lock_page_or_retry+0xa00/0xa00 [ 324.821766] ? mark_held_locks+0x130/0x130 [ 324.826021] ? filemap_map_pages+0xd6b/0x1a20 [ 324.830531] ? lock_downgrade+0x900/0x900 [ 324.834707] ? check_preemption_disabled+0x48/0x280 [ 324.839728] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 324.844655] ? kasan_check_read+0x11/0x20 [ 324.848804] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.854080] ? rcu_softirq_qs+0x20/0x20 [ 324.858069] ? filemap_map_pages+0xd92/0x1a20 [ 324.862587] ? queue_work_on+0x12c/0x1e0 [ 324.866668] ? find_get_entries_tag+0x1400/0x1400 [ 324.871530] ? debug_object_destroy+0x2b0/0x2b0 [ 324.876203] ? lock_pi_update_atomic+0x150/0x150 [ 324.880962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.886533] ? lock_acquire+0x1ed/0x520 [ 324.890503] ? ext4_filemap_fault+0x7a/0xad [ 324.894843] ? lock_release+0xa00/0xa00 [ 324.898815] ? perf_trace_sched_process_exec+0x860/0x860 [ 324.904266] ? print_usage_bug+0xc0/0xc0 [ 324.908341] ? print_usage_bug+0xc0/0xc0 [ 324.912415] ? down_read+0x8d/0x120 [ 324.916040] ? ext4_filemap_fault+0x7a/0xad [ 324.920378] ? __down_interruptible+0x700/0x700 [ 324.925057] ext4_filemap_fault+0x82/0xad [ 324.929207] __do_fault+0x100/0x6b0 [ 324.932849] ? perf_tp_event+0xc20/0xc20 [ 324.936936] ? pmd_devmap_trans_unstable+0x220/0x220 [ 324.942044] ? mark_held_locks+0x130/0x130 [ 324.946280] ? mark_held_locks+0x130/0x130 [ 324.950518] ? debug_smp_processor_id+0x1c/0x20 [ 324.955198] ? perf_trace_lock+0x14d/0x7a0 [ 324.959453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.964998] __handle_mm_fault+0x3ea0/0x5be0 [ 324.969446] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 324.974288] ? lock_is_held_type+0x210/0x210 [ 324.978700] ? __switch_to_asm+0x34/0x70 [ 324.982764] ? __switch_to_asm+0x34/0x70 [ 324.986842] ? zap_class+0x640/0x640 [ 324.990569] ? zap_class+0x640/0x640 [ 324.994295] ? __x64_sys_futex+0x53e/0x6a0 [ 324.998531] ? find_held_lock+0x36/0x1c0 [ 325.002611] ? handle_mm_fault+0x42a/0xc70 [ 325.006845] ? lock_downgrade+0x900/0x900 [ 325.010996] ? check_preemption_disabled+0x48/0x280 [ 325.016015] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 325.021016] ? kasan_check_read+0x11/0x20 [ 325.025165] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 325.030453] ? rcu_softirq_qs+0x20/0x20 [ 325.034444] ? trace_hardirqs_off_caller+0x310/0x310 [ 325.039550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.045092] ? check_preemption_disabled+0x48/0x280 [ 325.050122] handle_mm_fault+0x54f/0xc70 [ 325.054190] ? __handle_mm_fault+0x5be0/0x5be0 [ 325.058776] ? find_vma+0x34/0x190 [ 325.062321] __do_page_fault+0x5e8/0xe60 [ 325.066383] ? trace_hardirqs_off+0xb8/0x310 [ 325.070803] do_page_fault+0xf2/0x7e0 [ 325.074603] ? vmalloc_sync_all+0x30/0x30 [ 325.078751] ? error_entry+0x70/0xd0 [ 325.082480] ? trace_hardirqs_off_caller+0xbb/0x310 [ 325.087537] ? trace_hardirqs_on_caller+0xc0/0x310 [ 325.092468] ? syscall_return_slowpath+0x5e0/0x5e0 [ 325.097398] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.102244] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.107261] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 325.112734] ? prepare_exit_to_usermode+0x291/0x3b0 [ 325.117755] ? page_fault+0x8/0x30 [ 325.121302] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.126147] ? page_fault+0x8/0x30 [ 325.129689] page_fault+0x1e/0x30 [ 325.133139] RIP: 0033:0x45ddf3 [ 325.136366] Code: Bad RIP value. [ 325.139761] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 325.145131] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 325.152396] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 325.159663] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 325.166942] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 325.174213] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 325.181530] warn_alloc_show_mem: 1 callbacks suppressed [ 325.181540] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 325.181542] Mem-Info: [ 325.181569] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 325.181569] active_file:10 inactive_file:13 isolated_file:0 [ 325.181569] unevictable:0 dirty:0 writeback:0 unstable:0 [ 325.181569] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 325.181569] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 325.181569] free:13776 free_pcp:523 free_cma:0 [ 325.186925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 325.193955] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 325.196373] Call Trace: [ 325.229433] 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 [ 325.238788] [ 325.266575] lowmem_reserve[]: 0 2818 6321 6321 [ 325.269164] dump_stack+0x244/0x39d [ 325.295237] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 325.297387] ? dump_stack_print_info.cold.1+0x20/0x20 [ 325.301964] lowmem_reserve[]: 0 0 3503 3503 [ 325.305595] warn_alloc.cold.116+0xb7/0x1bd [ 325.332889] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 325.338085] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 325.342379] lowmem_reserve[]: 0 0 0 0 [ 325.346699] ? lock_downgrade+0x900/0x900 [ 325.375732] 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 [ 325.380575] ? trace_hardirqs_off+0xb8/0x310 [ 325.384358] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 325.388530] ? trace_hardirqs_off+0xb8/0x310 [ 325.402028] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 325.406441] __alloc_pages_slowpath+0x2651/0x2de0 [ 325.421500] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 325.425924] ? warn_alloc+0x120/0x120 [ 325.440274] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 325.445108] ? print_usage_bug+0xc0/0xc0 [ 325.453924] 1516 total pagecache pages [ 325.457718] ? warn_alloc+0x120/0x120 [ 325.466275] 0 pages in swap cache [ 325.470323] ? warn_alloc+0x120/0x120 [ 325.474191] Swap cache stats: add 0, delete 0, find 0/0 [ 325.478001] ? print_usage_bug+0xc0/0xc0 [ 325.481428] Free swap = 0kB [ 325.481437] Total swap = 0kB [ 325.485230] ? kvm_clock_read+0x18/0x30 [ 325.490588] 1965979 pages RAM [ 325.494642] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 325.497634] 0 pages HighMem/MovableOnly [ 325.500644] ? print_usage_bug+0xc0/0xc0 [ 325.504607] 342854 pages reserved [ 325.507710] ? __lock_acquire+0x62f/0x4c20 [ 325.512705] 0 pages cma reserved [ 325.516677] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.520786] aoe: skb alloc failure [ 325.524177] ? should_fail+0x22d/0xd01 [ 325.528456] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 325.531756] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 325.537270] syz-fuzzer cpuset=/ mems_allowed=0 [ 325.540816] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 325.569838] ? __lock_acquire+0x62f/0x4c20 [ 325.574073] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 325.579174] ? __lock_acquire+0x62f/0x4c20 [ 325.583441] ? should_fail+0x22d/0xd01 [ 325.587325] ? rcu_irq_exit+0x1a2/0x390 [ 325.591312] ? mark_held_locks+0x130/0x130 [ 325.595566] ? mark_held_locks+0x130/0x130 [ 325.599829] ? mark_held_locks+0xc7/0x130 [ 325.603997] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 325.609266] ? zap_class+0x640/0x640 [ 325.612997] ? print_usage_bug+0xc0/0xc0 [ 325.617062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.622604] ? check_preemption_disabled+0x48/0x280 [ 325.627632] ? __lock_is_held+0xb5/0x140 [ 325.631711] __alloc_pages_nodemask+0xad8/0xea0 [ 325.636382] ? zap_class+0x640/0x640 [ 325.640103] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 325.645134] ? find_held_lock+0x36/0x1c0 [ 325.649211] ? ____cache_alloc_node+0x1c7/0x1e0 [ 325.653939] ? lock_downgrade+0x900/0x900 [ 325.658101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.663648] cache_grow_begin+0xa5/0x8c0 [ 325.667707] ? do_raw_spin_unlock+0xa7/0x330 [ 325.672121] fallback_alloc+0x204/0x2e0 [ 325.676121] ____cache_alloc_node+0x1c7/0x1e0 [ 325.680631] kmem_cache_alloc_node+0xe3/0x730 [ 325.685129] ? ipv6_get_ifaddr+0x42e/0x620 [ 325.689389] __alloc_skb+0x119/0x770 [ 325.693119] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 325.698402] ? netdev_alloc_frag+0x1f0/0x1f0 [ 325.702816] ? lock_downgrade+0x900/0x900 [ 325.706985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.712525] ? refcount_sub_and_test_checked+0x203/0x310 [ 325.717983] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 325.723455] ? addrconf_rs_timer+0x690/0x690 [ 325.727889] ndisc_alloc_skb+0x144/0x340 [ 325.731966] ndisc_send_rs+0x331/0x6e0 [ 325.735871] addrconf_rs_timer+0x314/0x690 [ 325.740120] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.744369] call_timer_fn+0x272/0x920 [ 325.748271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.752505] ? process_timeout+0x40/0x40 [ 325.756577] ? mark_held_locks+0xc7/0x130 [ 325.760728] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.765227] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.769723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.773958] ? lockdep_hardirqs_on+0x296/0x5b0 [ 325.778574] ? trace_hardirqs_on+0xbd/0x310 [ 325.782895] ? kasan_check_read+0x11/0x20 [ 325.787056] ? __run_timers+0x7da/0xc70 [ 325.791035] ? trace_hardirqs_off_caller+0x310/0x310 [ 325.796142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.800382] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.804627] __run_timers+0x7e5/0xc70 [ 325.808445] ? timer_fixup_init+0x70/0x70 [ 325.812632] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 325.817663] ? zap_class+0x640/0x640 [ 325.821399] ? print_usage_bug+0xc0/0xc0 [ 325.825497] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 325.830693] ? find_held_lock+0x36/0x1c0 [ 325.834760] ? zap_class+0x640/0x640 [ 325.838482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.844022] ? check_preemption_disabled+0x48/0x280 [ 325.849050] ? __lock_is_held+0xb5/0x140 [ 325.853116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.858710] ? check_preemption_disabled+0x48/0x280 [ 325.863735] run_timer_softirq+0x52/0xb0 [ 325.867796] ? rcu_read_lock_sched_held+0x14f/0x180 [ 325.872832] __do_softirq+0x308/0xb7e [ 325.876635] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 325.881131] ? lock_downgrade+0x900/0x900 [ 325.885284] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 325.890409] ? pvclock_read_flags+0x160/0x160 [ 325.894908] ? lapic_next_event+0x5a/0x90 [ 325.899069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.904626] ? kvm_clock_read+0x18/0x30 [ 325.908600] ? kvm_sched_clock_read+0x9/0x20 [ 325.913014] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.918553] ? check_preemption_disabled+0x48/0x280 [ 325.923578] irq_exit+0x17f/0x1c0 [ 325.927039] smp_apic_timer_interrupt+0x1cb/0x760 [ 325.931884] ? smp_reschedule_interrupt+0x109/0x650 [ 325.936907] ? smp_call_function_single_interrupt+0x650/0x650 [ 325.942801] ? interrupt_entry+0xb5/0xc0 [ 325.946865] ? trace_hardirqs_off_caller+0xbb/0x310 [ 325.951880] ? trace_hardirqs_off_caller+0xbb/0x310 [ 325.956898] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.961760] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.966776] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.971796] ? task_prio+0x50/0x50 [ 325.975350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.980896] ? check_preemption_disabled+0x48/0x280 [ 325.985939] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.990795] apic_timer_interrupt+0xf/0x20 [ 325.995024] [ 325.997268] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 326.002203] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 326.021102] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 326.028816] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 326.036095] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 326.043375] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 326.050749] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 326.058018] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 326.065327] rcu_read_lock_held+0xa9/0xc0 [ 326.069475] list_lru_count_one+0x31a/0x450 [ 326.073800] ? list_lru_isolate_move+0x3c0/0x3c0 [ 326.078566] ? deferred_split_count+0x65/0x170 [ 326.083150] ? shrink_huge_zero_page_count+0xc8/0x100 [ 326.088347] super_cache_count+0x153/0x2e0 [ 326.092590] do_shrink_slab+0x1b1/0xd30 [ 326.096572] ? lock_acquire+0x1ed/0x520 [ 326.100567] ? snapshot_refaults+0x290/0x290 [ 326.104978] ? lock_release+0xa00/0xa00 [ 326.108973] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 326.113921] ? down_read_trylock+0xda/0x140 [ 326.118270] ? shrink_slab+0x207/0x8c0 [ 326.122166] ? downgrade_write+0x270/0x270 [ 326.126411] shrink_slab+0x389/0x8c0 [ 326.130133] ? shrink_active_list+0x1f00/0x1f00 [ 326.134812] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 326.140452] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 326.145619] ? cgroup_procs_write_finish+0xf0/0xf0 [ 326.150555] ? find_held_lock+0x36/0x1c0 [ 326.154623] shrink_node+0x431/0x16b0 [ 326.158445] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 326.163807] ? shrink_node_memcg+0x18f0/0x18f0 [ 326.168408] ? kvm_clock_read+0x18/0x30 [ 326.172409] ? ktime_get+0x2c1/0x400 [ 326.176143] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 326.180647] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 326.186188] ? __cpuset_node_allowed+0x19b/0x660 [ 326.190953] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 326.196668] ? delayacct_end+0x5a/0x100 [ 326.200651] do_try_to_free_pages+0x3e7/0x1290 [ 326.205233] ? zap_class+0x640/0x640 [ 326.208970] ? shrink_node+0x16b0/0x16b0 [ 326.213034] ? __lock_is_held+0xb5/0x140 [ 326.217110] try_to_free_pages+0x4d0/0xb90 [ 326.221366] ? do_try_to_free_pages+0x1290/0x1290 [ 326.226235] ? lock_acquire+0x1ed/0x520 [ 326.230211] ? set_page_refcounted+0x280/0x280 [ 326.234819] ? lock_release+0xa00/0xa00 [ 326.238793] ? _raw_spin_unlock_irq+0x60/0x80 [ 326.243288] ? psi_memstall_enter+0x240/0x2b0 [ 326.247781] ? psi_memstall_tick+0x230/0x230 [ 326.252204] __alloc_pages_slowpath+0xa48/0x2de0 [ 326.257027] ? warn_alloc+0x120/0x120 [ 326.260827] ? mark_held_locks+0x130/0x130 [ 326.265069] ? find_get_entry+0xaae/0x1120 [ 326.269314] ? filemap_map_pages+0x1a20/0x1a20 [ 326.273904] ? zap_class+0x640/0x640 [ 326.277636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.283179] ? check_preemption_disabled+0x48/0x280 [ 326.288200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.293737] ? should_fail+0x22d/0xd01 [ 326.297634] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.302737] ? zap_class+0x640/0x640 [ 326.306510] ? __lock_is_held+0xb5/0x140 [ 326.310593] ? mark_held_locks+0x130/0x130 [ 326.314830] ? lock_release+0xa00/0xa00 [ 326.318812] ? perf_trace_sched_process_exec+0x860/0x860 [ 326.324261] ? xa_load+0x2ba/0x460 [ 326.327831] ? lock_downgrade+0x900/0x900 [ 326.332031] ? __might_sleep+0x95/0x190 [ 326.336040] __alloc_pages_nodemask+0xad8/0xea0 [ 326.340717] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 326.345735] ? __page_cache_alloc+0x191/0x5c0 [ 326.350230] ? xa_load+0x2e1/0x460 [ 326.353803] ? xa_clear_mark+0x40/0x40 [ 326.357702] ? zap_class+0x640/0x640 [ 326.361424] ? zap_class+0x640/0x640 [ 326.365144] ? zap_class+0x640/0x640 [ 326.368859] ? __do_page_cache_readahead+0x663/0x810 [ 326.373968] ? find_held_lock+0x36/0x1c0 [ 326.378041] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 326.383586] alloc_pages_current+0x173/0x350 [ 326.388003] __page_cache_alloc+0x38c/0x5c0 [ 326.392326] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 326.397257] ? kasan_check_read+0x11/0x20 [ 326.401405] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 326.406690] ? generic_perform_write+0x6a0/0x6a0 [ 326.411460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.417004] ? check_preemption_disabled+0x48/0x280 [ 326.422030] filemap_fault+0x1595/0x25f0 [ 326.426106] ? __lock_page_or_retry+0xa00/0xa00 [ 326.430781] ? mark_held_locks+0x130/0x130 [ 326.435028] ? filemap_map_pages+0xd6b/0x1a20 [ 326.439528] ? lock_downgrade+0x900/0x900 [ 326.443676] ? check_preemption_disabled+0x48/0x280 [ 326.448697] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 326.453625] ? kasan_check_read+0x11/0x20 [ 326.457774] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 326.463049] ? rcu_softirq_qs+0x20/0x20 [ 326.467039] ? filemap_map_pages+0xd92/0x1a20 [ 326.471541] ? print_usage_bug+0xc0/0xc0 [ 326.475613] ? find_get_entries_tag+0x1400/0x1400 [ 326.480461] ? __kasan_slab_free+0x102/0x150 [ 326.484898] ? kasan_slab_free+0xe/0x10 [ 326.488880] ? kmem_cache_free+0x83/0x290 [ 326.493055] ? __sigqueue_free.part.29+0x74/0x90 [ 326.497826] ? lock_acquire+0x1ed/0x520 [ 326.501797] ? ext4_filemap_fault+0x7a/0xad [ 326.506137] ? lock_release+0xa00/0xa00 [ 326.510123] ? perf_trace_sched_process_exec+0x860/0x860 [ 326.515591] ? print_usage_bug+0xc0/0xc0 [ 326.519668] ? print_usage_bug+0xc0/0xc0 [ 326.523756] ? down_read+0x8d/0x120 [ 326.527381] ? ext4_filemap_fault+0x7a/0xad [ 326.531702] ? __down_interruptible+0x700/0x700 [ 326.536380] ext4_filemap_fault+0x82/0xad [ 326.540530] __do_fault+0x100/0x6b0 [ 326.544163] ? pmd_devmap_trans_unstable+0x220/0x220 [ 326.549275] ? mark_held_locks+0x130/0x130 [ 326.553514] ? mark_held_locks+0x130/0x130 [ 326.557757] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 326.563298] ? rcu_pm_notify+0xc0/0xc0 [ 326.567212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.572763] __handle_mm_fault+0x3ea0/0x5be0 [ 326.577213] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 326.582052] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.586565] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 326.591166] ? trace_hardirqs_on+0xbd/0x310 [ 326.595489] ? kasan_check_read+0x11/0x20 [ 326.599643] ? __set_current_blocked+0xdf/0x120 [ 326.604312] ? trace_hardirqs_off_caller+0x310/0x310 [ 326.609433] ? zap_class+0x640/0x640 [ 326.613145] ? zap_class+0x640/0x640 [ 326.616867] ? find_held_lock+0x36/0x1c0 [ 326.620948] ? handle_mm_fault+0x42a/0xc70 [ 326.625188] ? lock_downgrade+0x900/0x900 [ 326.629338] ? check_preemption_disabled+0x48/0x280 [ 326.634356] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 326.639305] ? kasan_check_read+0x11/0x20 [ 326.643453] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 326.648728] ? rcu_softirq_qs+0x20/0x20 [ 326.652703] ? trace_hardirqs_off_caller+0x310/0x310 [ 326.657809] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.663365] ? check_preemption_disabled+0x48/0x280 [ 326.668388] handle_mm_fault+0x54f/0xc70 [ 326.672455] ? __handle_mm_fault+0x5be0/0x5be0 [ 326.677047] ? find_vma+0x34/0x190 [ 326.680596] __do_page_fault+0x5e8/0xe60 [ 326.684659] ? exit_to_usermode_loop+0x1f4/0x380 [ 326.689423] do_page_fault+0xf2/0x7e0 [ 326.693228] ? vmalloc_sync_all+0x30/0x30 [ 326.697375] ? error_entry+0x70/0xd0 [ 326.701094] ? trace_hardirqs_off_caller+0xbb/0x310 [ 326.706110] ? trace_hardirqs_on_caller+0xc0/0x310 [ 326.711052] ? syscall_return_slowpath+0x5e0/0x5e0 [ 326.715983] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.720925] ? trace_hardirqs_on_caller+0x310/0x310 [ 326.725948] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 326.731422] ? prepare_exit_to_usermode+0x291/0x3b0 [ 326.736947] ? page_fault+0x8/0x30 [ 326.740498] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.745348] ? page_fault+0x8/0x30 [ 326.748898] page_fault+0x1e/0x30 [ 326.752359] RIP: 0033:0x45db60 [ 326.755568] Code: Bad RIP value. [ 326.758935] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 326.764299] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 326.771566] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 326.778836] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 326.786119] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 326.793390] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 326.800688] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 326.800756] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 326.807704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 326.807709] Call Trace: [ 326.807716] [ 326.807734] dump_stack+0x244/0x39d [ 326.807753] ? dump_stack_print_info.cold.1+0x20/0x20 [ 326.814288] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 326.823588] warn_alloc.cold.116+0xb7/0x1bd [ 326.826156] syz-fuzzer cpuset=/ mems_allowed=0 [ 326.828309] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 326.861019] ? lock_downgrade+0x900/0x900 [ 326.865181] ? trace_hardirqs_off+0xb8/0x310 [ 326.869601] ? trace_hardirqs_off+0xb8/0x310 [ 326.874015] __alloc_pages_slowpath+0x2651/0x2de0 [ 326.878883] ? warn_alloc+0x120/0x120 [ 326.882697] ? warn_alloc+0x120/0x120 [ 326.886501] ? warn_alloc+0x120/0x120 [ 326.890309] ? print_usage_bug+0xc0/0xc0 [ 326.894371] ? print_usage_bug+0xc0/0xc0 [ 326.898464] ? ktime_get+0x2c1/0x400 [ 326.902202] ? check_preemption_disabled+0x48/0x280 [ 326.907236] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 326.911741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.917282] ? should_fail+0x22d/0xd01 [ 326.921171] ? kasan_check_read+0x11/0x20 [ 326.925414] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.930545] ? __lock_acquire+0x62f/0x4c20 [ 326.934796] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.939901] ? should_fail+0x22d/0xd01 [ 326.943799] ? print_usage_bug+0xc0/0xc0 [ 326.948408] ? mark_held_locks+0x130/0x130 [ 326.952648] ? mark_held_locks+0x130/0x130 [ 326.956886] ? check_preemption_disabled+0x48/0x280 [ 326.961933] ? zap_class+0x640/0x640 [ 326.965663] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 326.970445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.975985] ? check_preemption_disabled+0x48/0x280 [ 326.981012] ? __lock_is_held+0xb5/0x140 [ 326.985170] __alloc_pages_nodemask+0xad8/0xea0 [ 326.989837] ? zap_class+0x640/0x640 [ 326.993576] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 326.998604] ? find_held_lock+0x36/0x1c0 [ 327.002673] ? ____cache_alloc_node+0x1c7/0x1e0 [ 327.007341] ? lock_downgrade+0x900/0x900 [ 327.011494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.017041] cache_grow_begin+0xa5/0x8c0 [ 327.021100] ? do_raw_spin_unlock+0xa7/0x330 [ 327.025536] fallback_alloc+0x204/0x2e0 [ 327.029518] ____cache_alloc_node+0x1c7/0x1e0 [ 327.034020] kmem_cache_alloc_node+0xe3/0x730 [ 327.038517] ? lockdep_hardirqs_on+0x296/0x5b0 [ 327.043112] __alloc_skb+0x119/0x770 [ 327.046825] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 327.052194] ? netdev_alloc_frag+0x1f0/0x1f0 [ 327.056628] ? vprintk_default+0x28/0x30 [ 327.060696] ? vprintk_func+0x85/0x181 [ 327.064587] ? printk+0xa7/0xcf [ 327.067871] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 327.072662] ? do_raw_spin_trylock+0x270/0x270 [ 327.077250] new_skb+0x26/0x1c0 [ 327.080544] aoecmd_cfg+0x279/0x7f0 [ 327.084180] ? find_held_lock+0x36/0x1c0 [ 327.088255] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 327.092600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.098148] ? __lock_is_held+0xb5/0x140 [ 327.102222] discover_timer+0x50/0x60 [ 327.106026] call_timer_fn+0x272/0x920 [ 327.109941] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 327.114788] ? process_timeout+0x40/0x40 [ 327.118860] ? mark_held_locks+0xc7/0x130 [ 327.123027] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.127523] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.132031] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 327.136881] ? lockdep_hardirqs_on+0x296/0x5b0 [ 327.141474] ? trace_hardirqs_on+0xbd/0x310 [ 327.145794] ? kasan_check_read+0x11/0x20 [ 327.149947] ? __run_timers+0x7da/0xc70 [ 327.153936] ? trace_hardirqs_off_caller+0x310/0x310 [ 327.159057] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 327.163913] __run_timers+0x7e5/0xc70 [ 327.167740] ? timer_fixup_init+0x70/0x70 [ 327.171891] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 327.176930] ? zap_class+0x640/0x640 [ 327.180651] ? print_usage_bug+0xc0/0xc0 [ 327.184719] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 327.189936] ? find_held_lock+0x36/0x1c0 [ 327.194009] ? zap_class+0x640/0x640 [ 327.197732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.203275] ? check_preemption_disabled+0x48/0x280 [ 327.208306] ? __lock_is_held+0xb5/0x140 [ 327.212372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.217921] ? check_preemption_disabled+0x48/0x280 [ 327.222959] run_timer_softirq+0x52/0xb0 [ 327.227025] ? rcu_read_lock_sched_held+0x14f/0x180 [ 327.232056] __do_softirq+0x308/0xb7e [ 327.235861] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 327.240356] ? lock_downgrade+0x900/0x900 [ 327.244522] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 327.249631] ? pvclock_read_flags+0x160/0x160 [ 327.254129] ? lapic_next_event+0x5a/0x90 [ 327.258280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.263824] ? kvm_clock_read+0x18/0x30 [ 327.267798] ? kvm_sched_clock_read+0x9/0x20 [ 327.272213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.277760] ? check_preemption_disabled+0x48/0x280 [ 327.282786] irq_exit+0x17f/0x1c0 [ 327.286243] smp_apic_timer_interrupt+0x1cb/0x760 [ 327.291088] ? smp_reschedule_interrupt+0x109/0x650 [ 327.296110] ? smp_call_function_single_interrupt+0x650/0x650 [ 327.301998] ? interrupt_entry+0xb5/0xc0 [ 327.306075] ? trace_hardirqs_off_caller+0xbb/0x310 [ 327.311090] ? trace_hardirqs_off_caller+0xbb/0x310 [ 327.316141] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.320987] ? trace_hardirqs_on_caller+0x310/0x310 [ 327.326007] ? trace_hardirqs_on_caller+0x310/0x310 [ 327.331028] ? task_prio+0x50/0x50 [ 327.334571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.340108] ? check_preemption_disabled+0x48/0x280 [ 327.345133] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.349991] apic_timer_interrupt+0xf/0x20 [ 327.354223] [ 327.356476] RIP: 0010:console_unlock+0x102f/0x1190 [ 327.361423] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 327.380320] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 327.388026] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 327.395291] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 327.402557] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 327.409825] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 327.417092] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 327.424388] ? netconsole_netdev_event+0x280/0x280 [ 327.429322] ? console_unlock+0x1026/0x1190 [ 327.433661] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 327.438338] ? lock_release+0xa00/0xa00 [ 327.442315] ? retint_kernel+0x2d/0x2d [ 327.446254] vprintk_emit+0x391/0x990 [ 327.450080] ? wake_up_klogd+0x180/0x180 [ 327.454160] ? match_held_lock+0x811/0x8d0 [ 327.458403] ? mark_held_locks+0xc7/0x130 [ 327.462556] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.467053] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.471553] vprintk_default+0x28/0x30 [ 327.475441] vprintk_func+0x7e/0x181 [ 327.479157] printk+0xa7/0xcf [ 327.482262] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 327.487022] ? _raw_spin_unlock_irq+0x60/0x80 [ 327.491532] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 327.496815] dump_header+0x7cc/0xf72 [ 327.500549] ? pagefault_out_of_memory+0x197/0x197 [ 327.505485] ? __lock_acquire+0x62f/0x4c20 [ 327.509722] ? percpu_ref_get_many+0x240/0x240 [ 327.514307] ? print_usage_bug+0xc0/0xc0 [ 327.518374] ? zap_class+0x640/0x640 [ 327.522090] ? print_usage_bug+0xc0/0xc0 [ 327.526155] ? zap_class+0x640/0x640 [ 327.529889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.535456] ? find_held_lock+0x36/0x1c0 [ 327.539525] ? mark_held_locks+0xc7/0x130 [ 327.543675] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 327.548776] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 327.553912] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 327.558510] ? trace_hardirqs_on+0xbd/0x310 [ 327.562861] ? kasan_check_read+0x11/0x20 [ 327.567026] ? ___ratelimit+0x3b4/0x672 [ 327.571004] ? trace_hardirqs_off_caller+0x310/0x310 [ 327.576108] ? trace_hardirqs_on+0x310/0x310 [ 327.580550] ? lock_downgrade+0x900/0x900 [ 327.584703] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 327.589813] ? ___ratelimit+0x3b9/0x672 [ 327.593789] ? idr_get_free+0xf70/0xf70 [ 327.597767] ? find_held_lock+0x36/0x1c0 [ 327.601868] oom_kill_process.cold.27+0x10/0x903 [ 327.607095] ? zap_class+0x640/0x640 [ 327.610814] ? check_preemption_disabled+0x48/0x280 [ 327.615832] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 327.620762] ? kasan_check_read+0x11/0x20 [ 327.624908] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 327.630197] ? oom_evaluate_task+0x540/0x540 [ 327.634614] ? find_held_lock+0x36/0x1c0 [ 327.638692] ? out_of_memory+0x974/0x1430 [ 327.642867] ? lock_downgrade+0x900/0x900 [ 327.647030] ? check_preemption_disabled+0x48/0x280 [ 327.652070] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 327.656998] ? kasan_check_read+0x11/0x20 [ 327.661147] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 327.666422] ? rcu_softirq_qs+0x20/0x20 [ 327.670432] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 327.675985] ? oom_evaluate_task+0x302/0x540 [ 327.680419] out_of_memory+0xa84/0x1430 [ 327.684402] ? oom_killer_disable+0x3a0/0x3a0 [ 327.688898] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 327.693845] ? __ww_mutex_check_waiters+0x160/0x160 [ 327.698874] __alloc_pages_slowpath+0x232c/0x2de0 [ 327.703744] ? warn_alloc+0x120/0x120 [ 327.707545] ? mark_held_locks+0x130/0x130 [ 327.711783] ? find_get_entry+0xaae/0x1120 [ 327.716031] ? filemap_map_pages+0x1a20/0x1a20 [ 327.720622] ? zap_class+0x640/0x640 [ 327.724342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.729885] ? check_preemption_disabled+0x48/0x280 [ 327.734911] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.740466] ? should_fail+0x22d/0xd01 [ 327.744357] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.749462] ? zap_class+0x640/0x640 [ 327.753204] ? __lock_is_held+0xb5/0x140 [ 327.757277] ? mark_held_locks+0x130/0x130 [ 327.761514] ? lock_release+0xa00/0xa00 [ 327.765491] ? perf_trace_sched_process_exec+0x860/0x860 [ 327.770953] ? xa_load+0x2ba/0x460 [ 327.774499] ? lock_downgrade+0x900/0x900 [ 327.778664] ? __might_sleep+0x95/0x190 [ 327.782644] __alloc_pages_nodemask+0xad8/0xea0 [ 327.787324] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 327.792345] ? __page_cache_alloc+0x191/0x5c0 [ 327.796854] ? xa_load+0x2e1/0x460 [ 327.800453] ? xa_clear_mark+0x40/0x40 [ 327.804336] ? zap_class+0x640/0x640 [ 327.808065] ? zap_class+0x640/0x640 [ 327.811786] ? zap_class+0x640/0x640 [ 327.815511] ? zap_class+0x640/0x640 [ 327.819223] ? __do_page_cache_readahead+0x663/0x810 [ 327.824332] ? find_held_lock+0x36/0x1c0 [ 327.828427] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 327.833985] alloc_pages_current+0x173/0x350 [ 327.838402] __page_cache_alloc+0x38c/0x5c0 [ 327.842723] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 327.847666] ? kasan_check_read+0x11/0x20 [ 327.851831] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 327.857115] ? generic_perform_write+0x6a0/0x6a0 [ 327.861875] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.867416] ? check_preemption_disabled+0x48/0x280 [ 327.872452] filemap_fault+0x1595/0x25f0 [ 327.876527] ? __lock_page_or_retry+0xa00/0xa00 [ 327.881199] ? mark_held_locks+0x130/0x130 [ 327.885444] ? filemap_map_pages+0xd6b/0x1a20 [ 327.889952] ? lock_downgrade+0x900/0x900 [ 327.894103] ? check_preemption_disabled+0x48/0x280 [ 327.899125] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 327.904054] ? kasan_check_read+0x11/0x20 [ 327.908200] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 327.913474] ? rcu_softirq_qs+0x20/0x20 [ 327.917455] ? filemap_map_pages+0xd92/0x1a20 [ 327.921968] ? queue_work_on+0x12c/0x1e0 [ 327.926056] ? find_get_entries_tag+0x1400/0x1400 [ 327.930905] ? debug_object_destroy+0x2b0/0x2b0 [ 327.935608] ? lock_pi_update_atomic+0x150/0x150 [ 327.940377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.945960] ? lock_acquire+0x1ed/0x520 [ 327.949945] ? ext4_filemap_fault+0x7a/0xad [ 327.954277] ? lock_release+0xa00/0xa00 [ 327.958252] ? perf_trace_sched_process_exec+0x860/0x860 [ 327.963702] ? print_usage_bug+0xc0/0xc0 [ 327.967762] ? print_usage_bug+0xc0/0xc0 [ 327.971833] ? down_read+0x8d/0x120 [ 327.975468] ? ext4_filemap_fault+0x7a/0xad [ 327.979803] ? __down_interruptible+0x700/0x700 [ 327.984485] ext4_filemap_fault+0x82/0xad [ 327.988664] __do_fault+0x100/0x6b0 [ 327.992320] ? perf_tp_event+0xc20/0xc20 [ 327.996391] ? pmd_devmap_trans_unstable+0x220/0x220 [ 328.001496] ? mark_held_locks+0x130/0x130 [ 328.005741] ? mark_held_locks+0x130/0x130 [ 328.009981] ? debug_smp_processor_id+0x1c/0x20 [ 328.014647] ? perf_trace_lock+0x14d/0x7a0 [ 328.018901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.024452] __handle_mm_fault+0x3ea0/0x5be0 [ 328.028875] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 328.033759] ? lock_is_held_type+0x210/0x210 [ 328.038172] ? __switch_to_asm+0x34/0x70 [ 328.042231] ? __switch_to_asm+0x34/0x70 [ 328.046304] ? zap_class+0x640/0x640 [ 328.050049] ? zap_class+0x640/0x640 [ 328.053762] ? __x64_sys_futex+0x53e/0x6a0 [ 328.058029] ? find_held_lock+0x36/0x1c0 [ 328.062103] ? handle_mm_fault+0x42a/0xc70 [ 328.066341] ? lock_downgrade+0x900/0x900 [ 328.070508] ? check_preemption_disabled+0x48/0x280 [ 328.075543] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 328.080470] ? kasan_check_read+0x11/0x20 [ 328.084620] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 328.089896] ? rcu_softirq_qs+0x20/0x20 [ 328.093887] ? trace_hardirqs_off_caller+0x310/0x310 [ 328.099009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.104549] ? check_preemption_disabled+0x48/0x280 [ 328.109616] handle_mm_fault+0x54f/0xc70 [ 328.113680] ? __handle_mm_fault+0x5be0/0x5be0 [ 328.118264] ? find_vma+0x34/0x190 [ 328.121812] __do_page_fault+0x5e8/0xe60 [ 328.125873] ? trace_hardirqs_off+0xb8/0x310 [ 328.130295] do_page_fault+0xf2/0x7e0 [ 328.134099] ? vmalloc_sync_all+0x30/0x30 [ 328.138251] ? error_entry+0x70/0xd0 [ 328.141970] ? trace_hardirqs_off_caller+0xbb/0x310 [ 328.146988] ? trace_hardirqs_on_caller+0xc0/0x310 [ 328.151942] ? syscall_return_slowpath+0x5e0/0x5e0 [ 328.156888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.161754] ? trace_hardirqs_on_caller+0x310/0x310 [ 328.166768] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 328.172225] ? prepare_exit_to_usermode+0x291/0x3b0 [ 328.177243] ? page_fault+0x8/0x30 [ 328.180816] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.185665] ? page_fault+0x8/0x30 [ 328.189209] page_fault+0x1e/0x30 [ 328.192673] RIP: 0033:0x45ddf3 [ 328.195892] Code: Bad RIP value. [ 328.199266] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 328.204641] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 328.211905] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 328.219197] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 328.226463] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 328.233730] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 328.241025] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 328.241030] warn_alloc_show_mem: 1 callbacks suppressed [ 328.241037] Mem-Info: [ 328.248063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.253440] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 328.253440] active_file:10 inactive_file:13 isolated_file:0 [ 328.253440] unevictable:0 dirty:0 writeback:0 unstable:0 [ 328.253440] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 328.253440] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 328.253440] free:13776 free_pcp:523 free_cma:0 [ 328.255816] Call Trace: [ 328.265209] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 328.298226] [ 328.300794] 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 [ 328.328472] dump_stack+0x244/0x39d [ 328.330599] lowmem_reserve[]: 0 2818 6321 6321 [ 328.356708] ? dump_stack_print_info.cold.1+0x20/0x20 [ 328.360311] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 328.364892] warn_alloc.cold.116+0xb7/0x1bd [ 328.370046] lowmem_reserve[]: 0 0 3503 3503 [ 328.397370] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 328.401664] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 328.405979] ? lock_downgrade+0x900/0x900 [ 328.410793] lowmem_reserve[]: 0 0 0 0 [ 328.439849] ? trace_hardirqs_off+0xb8/0x310 [ 328.443969] 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 [ 328.447769] ? trace_hardirqs_off+0xb8/0x310 [ 328.452152] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 328.465690] __alloc_pages_slowpath+0x2651/0x2de0 [ 328.470073] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 328.485176] ? warn_alloc+0x120/0x120 [ 328.489980] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 328.504376] ? print_usage_bug+0xc0/0xc0 [ 328.508161] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 328.516982] ? warn_alloc+0x120/0x120 [ 328.521020] 1516 total pagecache pages [ 328.529591] ? warn_alloc+0x120/0x120 [ 328.533374] 0 pages in swap cache [ 328.537246] ? print_usage_bug+0xc0/0xc0 [ 328.541029] Swap cache stats: add 0, delete 0, find 0/0 [ 328.544470] ? print_usage_bug+0xc0/0xc0 [ 328.548526] Free swap = 0kB [ 328.553881] ? __lock_acquire+0x62f/0x4c20 [ 328.557931] Total swap = 0kB [ 328.560954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.565161] 1965979 pages RAM [ 328.568182] ? should_fail+0x22d/0xd01 [ 328.573691] 0 pages HighMem/MovableOnly [ 328.576789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.580679] 342854 pages reserved [ 328.584660] ? __lock_acquire+0x62f/0x4c20 [ 328.589741] 0 pages cma reserved [ 328.593192] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.597477] aoe: skb alloc failure [ 328.600754] ? __lock_acquire+0x62f/0x4c20 [ 328.600770] ? should_fail+0x22d/0xd01 [ 328.605895] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 328.609385] ? find_held_lock+0x36/0x1c0 [ 328.613593] syz-fuzzer cpuset=/ mems_allowed=0 [ 328.617472] ? mark_held_locks+0x130/0x130 [ 328.640549] ? mark_held_locks+0x130/0x130 [ 328.644782] ? zap_class+0x640/0x640 [ 328.648493] ? zap_class+0x640/0x640 [ 328.652210] ? print_usage_bug+0xc0/0xc0 [ 328.656272] ? do_raw_spin_unlock+0xa7/0x330 [ 328.660681] ? zap_class+0x640/0x640 [ 328.664395] ? print_usage_bug+0xc0/0xc0 [ 328.668463] ? wq_watchdog_touch+0x9c/0xfe [ 328.672702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.678241] ? check_preemption_disabled+0x48/0x280 [ 328.683308] ? __lock_is_held+0xb5/0x140 [ 328.687373] __alloc_pages_nodemask+0xad8/0xea0 [ 328.692044] ? zap_class+0x640/0x640 [ 328.695760] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 328.700789] ? find_held_lock+0x36/0x1c0 [ 328.704860] ? ____cache_alloc_node+0x1c7/0x1e0 [ 328.709530] ? lock_downgrade+0x900/0x900 [ 328.713694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.719266] cache_grow_begin+0xa5/0x8c0 [ 328.723327] ? do_raw_spin_unlock+0xa7/0x330 [ 328.727743] fallback_alloc+0x204/0x2e0 [ 328.731727] ____cache_alloc_node+0x1c7/0x1e0 [ 328.736674] kmem_cache_alloc_node+0xe3/0x730 [ 328.741169] ? ipv6_get_ifaddr+0x42e/0x620 [ 328.745414] __alloc_skb+0x119/0x770 [ 328.749143] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 328.754423] ? netdev_alloc_frag+0x1f0/0x1f0 [ 328.758836] ? lock_downgrade+0x900/0x900 [ 328.763018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.768606] ? refcount_sub_and_test_checked+0x203/0x310 [ 328.774078] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 328.779533] ? addrconf_rs_timer+0x690/0x690 [ 328.783961] ndisc_alloc_skb+0x144/0x340 [ 328.788033] ndisc_send_rs+0x331/0x6e0 [ 328.791930] addrconf_rs_timer+0x314/0x690 [ 328.796188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.800444] call_timer_fn+0x272/0x920 [ 328.804331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.808564] ? process_timeout+0x40/0x40 [ 328.812638] ? mark_held_locks+0xc7/0x130 [ 328.816790] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.821301] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.825797] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.830035] ? lockdep_hardirqs_on+0x296/0x5b0 [ 328.834620] ? trace_hardirqs_on+0xbd/0x310 [ 328.838956] ? kasan_check_read+0x11/0x20 [ 328.843112] ? __run_timers+0x7da/0xc70 [ 328.847089] ? trace_hardirqs_off_caller+0x310/0x310 [ 328.852198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.856447] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.860676] __run_timers+0x7e5/0xc70 [ 328.864499] ? timer_fixup_init+0x70/0x70 [ 328.868649] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 328.873663] ? zap_class+0x640/0x640 [ 328.877378] ? print_usage_bug+0xc0/0xc0 [ 328.881459] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 328.886659] ? find_held_lock+0x36/0x1c0 [ 328.890723] ? zap_class+0x640/0x640 [ 328.894449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.899987] ? check_preemption_disabled+0x48/0x280 [ 328.905012] ? __lock_is_held+0xb5/0x140 [ 328.909074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.914611] ? check_preemption_disabled+0x48/0x280 [ 328.919630] run_timer_softirq+0x52/0xb0 [ 328.923692] ? rcu_read_lock_sched_held+0x14f/0x180 [ 328.928716] __do_softirq+0x308/0xb7e [ 328.932518] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 328.937009] ? lock_downgrade+0x900/0x900 [ 328.941164] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 328.946288] ? pvclock_read_flags+0x160/0x160 [ 328.950786] ? lapic_next_event+0x5a/0x90 [ 328.954956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.960501] ? kvm_clock_read+0x18/0x30 [ 328.964476] ? kvm_sched_clock_read+0x9/0x20 [ 328.968890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.974437] ? check_preemption_disabled+0x48/0x280 [ 328.979480] irq_exit+0x17f/0x1c0 [ 328.982942] smp_apic_timer_interrupt+0x1cb/0x760 [ 328.987788] ? smp_reschedule_interrupt+0x109/0x650 [ 328.992805] ? smp_call_function_single_interrupt+0x650/0x650 [ 328.998689] ? interrupt_entry+0xb5/0xc0 [ 329.002756] ? trace_hardirqs_off_caller+0xbb/0x310 [ 329.007774] ? trace_hardirqs_off_caller+0xbb/0x310 [ 329.012791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.017631] ? trace_hardirqs_on_caller+0x310/0x310 [ 329.022678] ? trace_hardirqs_on_caller+0x310/0x310 [ 329.027693] ? task_prio+0x50/0x50 [ 329.031238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.036775] ? check_preemption_disabled+0x48/0x280 [ 329.041798] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.046650] apic_timer_interrupt+0xf/0x20 [ 329.050878] [ 329.053118] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 329.058052] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 329.076971] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 329.084677] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 329.091983] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 329.099249] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 329.106537] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 329.113807] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 329.121109] rcu_read_lock_held+0xa9/0xc0 [ 329.125364] list_lru_count_one+0x31a/0x450 [ 329.129706] ? list_lru_isolate_move+0x3c0/0x3c0 [ 329.134469] ? deferred_split_count+0x65/0x170 [ 329.139052] ? shrink_huge_zero_page_count+0xc8/0x100 [ 329.144257] super_cache_count+0x153/0x2e0 [ 329.148498] do_shrink_slab+0x1b1/0xd30 [ 329.152478] ? lock_acquire+0x1ed/0x520 [ 329.156459] ? snapshot_refaults+0x290/0x290 [ 329.160871] ? lock_release+0xa00/0xa00 [ 329.164852] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 329.169795] ? down_read_trylock+0xda/0x140 [ 329.174115] ? shrink_slab+0x207/0x8c0 [ 329.178007] ? downgrade_write+0x270/0x270 [ 329.182252] shrink_slab+0x389/0x8c0 [ 329.185966] ? shrink_active_list+0x1f00/0x1f00 [ 329.190644] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 329.196272] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 329.201382] ? cgroup_procs_write_finish+0xf0/0xf0 [ 329.206586] ? find_held_lock+0x36/0x1c0 [ 329.210669] shrink_node+0x431/0x16b0 [ 329.214474] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 329.219775] ? shrink_node_memcg+0x18f0/0x18f0 [ 329.224366] ? kvm_clock_read+0x18/0x30 [ 329.228340] ? ktime_get+0x2c1/0x400 [ 329.232058] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 329.236588] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 329.242141] ? __cpuset_node_allowed+0x19b/0x660 [ 329.246899] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 329.252647] ? delayacct_end+0x5a/0x100 [ 329.256634] do_try_to_free_pages+0x3e7/0x1290 [ 329.261254] ? zap_class+0x640/0x640 [ 329.264998] ? shrink_node+0x16b0/0x16b0 [ 329.269061] ? __lock_is_held+0xb5/0x140 [ 329.273136] try_to_free_pages+0x4d0/0xb90 [ 329.277378] ? do_try_to_free_pages+0x1290/0x1290 [ 329.282232] ? lock_acquire+0x1ed/0x520 [ 329.286207] ? set_page_refcounted+0x280/0x280 [ 329.290800] ? lock_release+0xa00/0xa00 [ 329.294788] ? _raw_spin_unlock_irq+0x60/0x80 [ 329.299283] ? psi_memstall_enter+0x240/0x2b0 [ 329.303781] ? psi_memstall_tick+0x230/0x230 [ 329.308202] __alloc_pages_slowpath+0xa48/0x2de0 [ 329.313012] ? warn_alloc+0x120/0x120 [ 329.316813] ? mark_held_locks+0x130/0x130 [ 329.321058] ? find_get_entry+0xaae/0x1120 [ 329.325306] ? filemap_map_pages+0x1a20/0x1a20 [ 329.329897] ? zap_class+0x640/0x640 [ 329.333636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.339188] ? check_preemption_disabled+0x48/0x280 [ 329.344213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.349763] ? should_fail+0x22d/0xd01 [ 329.353665] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.358779] ? zap_class+0x640/0x640 [ 329.362524] ? __lock_is_held+0xb5/0x140 [ 329.366602] ? mark_held_locks+0x130/0x130 [ 329.370847] ? lock_release+0xa00/0xa00 [ 329.374822] ? perf_trace_sched_process_exec+0x860/0x860 [ 329.380274] ? xa_load+0x2ba/0x460 [ 329.383817] ? lock_downgrade+0x900/0x900 [ 329.387972] ? __might_sleep+0x95/0x190 [ 329.391964] __alloc_pages_nodemask+0xad8/0xea0 [ 329.396644] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 329.401668] ? __page_cache_alloc+0x191/0x5c0 [ 329.406162] ? xa_load+0x2e1/0x460 [ 329.409706] ? xa_clear_mark+0x40/0x40 [ 329.413597] ? zap_class+0x640/0x640 [ 329.417325] ? zap_class+0x640/0x640 [ 329.421040] ? zap_class+0x640/0x640 [ 329.424755] ? __do_page_cache_readahead+0x663/0x810 [ 329.430008] ? find_held_lock+0x36/0x1c0 [ 329.434082] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 329.439628] alloc_pages_current+0x173/0x350 [ 329.444045] __page_cache_alloc+0x38c/0x5c0 [ 329.448369] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 329.453309] ? kasan_check_read+0x11/0x20 [ 329.457469] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 329.462753] ? generic_perform_write+0x6a0/0x6a0 [ 329.467513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.473057] ? check_preemption_disabled+0x48/0x280 [ 329.478091] filemap_fault+0x1595/0x25f0 [ 329.482166] ? __lock_page_or_retry+0xa00/0xa00 [ 329.486841] ? mark_held_locks+0x130/0x130 [ 329.491090] ? filemap_map_pages+0xd6b/0x1a20 [ 329.495591] ? lock_downgrade+0x900/0x900 [ 329.499741] ? check_preemption_disabled+0x48/0x280 [ 329.504761] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 329.509693] ? kasan_check_read+0x11/0x20 [ 329.513840] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 329.519121] ? rcu_softirq_qs+0x20/0x20 [ 329.523112] ? filemap_map_pages+0xd92/0x1a20 [ 329.527617] ? print_usage_bug+0xc0/0xc0 [ 329.531690] ? find_get_entries_tag+0x1400/0x1400 [ 329.536536] ? __kasan_slab_free+0x102/0x150 [ 329.540951] ? kasan_slab_free+0xe/0x10 [ 329.544934] ? kmem_cache_free+0x83/0x290 [ 329.549085] ? __sigqueue_free.part.29+0x74/0x90 [ 329.553859] ? lock_acquire+0x1ed/0x520 [ 329.557838] ? ext4_filemap_fault+0x7a/0xad [ 329.562169] ? lock_release+0xa00/0xa00 [ 329.566143] ? perf_trace_sched_process_exec+0x860/0x860 [ 329.571599] ? print_usage_bug+0xc0/0xc0 [ 329.575665] ? print_usage_bug+0xc0/0xc0 [ 329.579737] ? down_read+0x8d/0x120 [ 329.583364] ? ext4_filemap_fault+0x7a/0xad [ 329.587686] ? __down_interruptible+0x700/0x700 [ 329.592365] ext4_filemap_fault+0x82/0xad [ 329.596532] __do_fault+0x100/0x6b0 [ 329.600176] ? pmd_devmap_trans_unstable+0x220/0x220 [ 329.605489] ? mark_held_locks+0x130/0x130 [ 329.609731] ? mark_held_locks+0x130/0x130 [ 329.613968] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 329.619508] ? rcu_pm_notify+0xc0/0xc0 [ 329.623404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.628959] __handle_mm_fault+0x3ea0/0x5be0 [ 329.633384] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 329.638228] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.642727] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 329.647313] ? trace_hardirqs_on+0xbd/0x310 [ 329.651637] ? kasan_check_read+0x11/0x20 [ 329.655784] ? __set_current_blocked+0xdf/0x120 [ 329.660459] ? trace_hardirqs_off_caller+0x310/0x310 [ 329.665575] ? zap_class+0x640/0x640 [ 329.669287] ? zap_class+0x640/0x640 [ 329.673019] ? find_held_lock+0x36/0x1c0 [ 329.677097] ? handle_mm_fault+0x42a/0xc70 [ 329.681347] ? lock_downgrade+0x900/0x900 [ 329.685510] ? check_preemption_disabled+0x48/0x280 [ 329.690545] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 329.695494] ? kasan_check_read+0x11/0x20 [ 329.699654] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 329.704948] ? rcu_softirq_qs+0x20/0x20 [ 329.708936] ? trace_hardirqs_off_caller+0x310/0x310 [ 329.714051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.719603] ? check_preemption_disabled+0x48/0x280 [ 329.724639] handle_mm_fault+0x54f/0xc70 [ 329.728715] ? __handle_mm_fault+0x5be0/0x5be0 [ 329.733310] ? find_vma+0x34/0x190 [ 329.736867] __do_page_fault+0x5e8/0xe60 [ 329.740942] ? exit_to_usermode_loop+0x1f4/0x380 [ 329.745719] do_page_fault+0xf2/0x7e0 [ 329.749525] ? vmalloc_sync_all+0x30/0x30 [ 329.753684] ? error_entry+0x70/0xd0 [ 329.757405] ? trace_hardirqs_off_caller+0xbb/0x310 [ 329.762426] ? trace_hardirqs_on_caller+0xc0/0x310 [ 329.767363] ? syscall_return_slowpath+0x5e0/0x5e0 [ 329.772296] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.777146] ? trace_hardirqs_on_caller+0x310/0x310 [ 329.782164] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 329.787632] ? prepare_exit_to_usermode+0x291/0x3b0 [ 329.792679] ? page_fault+0x8/0x30 [ 329.796223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.801071] ? page_fault+0x8/0x30 [ 329.804618] page_fault+0x1e/0x30 [ 329.808070] RIP: 0033:0x45db60 [ 329.811272] Code: Bad RIP value. [ 329.814637] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 329.819998] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 329.827265] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 329.834533] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 329.841801] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 329.849067] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 329.856364] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 329.856439] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 329.863386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 329.863392] Call Trace: [ 329.863399] [ 329.863421] dump_stack+0x244/0x39d [ 329.863445] ? dump_stack_print_info.cold.1+0x20/0x20 [ 329.870019] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 329.879295] warn_alloc.cold.116+0xb7/0x1bd [ 329.881860] syz-fuzzer cpuset=/ mems_allowed=0 [ 329.884009] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 329.916696] ? lock_downgrade+0x900/0x900 [ 329.920854] ? trace_hardirqs_off+0xb8/0x310 [ 329.925273] ? trace_hardirqs_off+0xb8/0x310 [ 329.929701] __alloc_pages_slowpath+0x2651/0x2de0 [ 329.934573] ? warn_alloc+0x120/0x120 [ 329.938383] ? warn_alloc+0x120/0x120 [ 329.942193] ? __lock_acquire+0x62f/0x4c20 [ 329.946434] ? warn_alloc+0x120/0x120 [ 329.950242] ? print_usage_bug+0xc0/0xc0 [ 329.954308] ? print_usage_bug+0xc0/0xc0 [ 329.958374] ? mark_held_locks+0x130/0x130 [ 329.962622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.968164] ? should_fail+0x22d/0xd01 [ 329.972050] ? zap_class+0x640/0x640 [ 329.975767] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.980873] ? __lock_acquire+0x62f/0x4c20 [ 329.985111] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.990216] ? should_fail+0x22d/0xd01 [ 329.994115] ? mark_held_locks+0x130/0x130 [ 329.998369] ? mark_held_locks+0x130/0x130 [ 330.002610] ? lock_downgrade+0x900/0x900 [ 330.006760] ? zap_class+0x640/0x640 [ 330.010473] ? zap_class+0x640/0x640 [ 330.014188] ? zap_class+0x640/0x640 [ 330.017903] ? do_raw_spin_unlock+0xa7/0x330 [ 330.022325] ? trace_hardirqs_on+0x310/0x310 [ 330.026737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.032286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.037825] ? check_preemption_disabled+0x48/0x280 [ 330.042853] ? __lock_is_held+0xb5/0x140 [ 330.046934] __alloc_pages_nodemask+0xad8/0xea0 [ 330.051605] ? zap_class+0x640/0x640 [ 330.055333] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 330.060361] ? find_held_lock+0x36/0x1c0 [ 330.064435] ? ____cache_alloc_node+0x1c7/0x1e0 [ 330.069112] ? lock_downgrade+0x900/0x900 [ 330.073268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.078811] cache_grow_begin+0xa5/0x8c0 [ 330.082872] ? do_raw_spin_unlock+0xa7/0x330 [ 330.087286] fallback_alloc+0x204/0x2e0 [ 330.091267] ____cache_alloc_node+0x1c7/0x1e0 [ 330.095767] kmem_cache_alloc_node+0xe3/0x730 [ 330.100283] ? lockdep_hardirqs_on+0x296/0x5b0 [ 330.104878] __alloc_skb+0x119/0x770 [ 330.108593] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 330.113965] ? netdev_alloc_frag+0x1f0/0x1f0 [ 330.118385] ? vprintk_default+0x28/0x30 [ 330.122450] ? vprintk_func+0x85/0x181 [ 330.126340] ? printk+0xa7/0xcf [ 330.129618] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 330.134379] ? do_raw_spin_trylock+0x270/0x270 [ 330.138978] new_skb+0x26/0x1c0 [ 330.142260] aoecmd_cfg+0x279/0x7f0 [ 330.145891] ? find_held_lock+0x36/0x1c0 [ 330.149978] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 330.154307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.159858] ? __lock_is_held+0xb5/0x140 [ 330.163944] discover_timer+0x50/0x60 [ 330.167750] call_timer_fn+0x272/0x920 [ 330.171640] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 330.176487] ? process_timeout+0x40/0x40 [ 330.180557] ? mark_held_locks+0xc7/0x130 [ 330.184708] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.189206] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.193722] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 330.198567] ? lockdep_hardirqs_on+0x296/0x5b0 [ 330.203152] ? trace_hardirqs_on+0xbd/0x310 [ 330.207474] ? kasan_check_read+0x11/0x20 [ 330.211620] ? __run_timers+0x7da/0xc70 [ 330.215593] ? trace_hardirqs_off_caller+0x310/0x310 [ 330.220721] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 330.225561] __run_timers+0x7e5/0xc70 [ 330.229374] ? timer_fixup_init+0x70/0x70 [ 330.233524] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 330.238544] ? zap_class+0x640/0x640 [ 330.242275] ? print_usage_bug+0xc0/0xc0 [ 330.246341] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 330.251541] ? find_held_lock+0x36/0x1c0 [ 330.255618] ? zap_class+0x640/0x640 [ 330.259344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.264885] ? check_preemption_disabled+0x48/0x280 [ 330.269932] ? __lock_is_held+0xb5/0x140 [ 330.273999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.279538] ? check_preemption_disabled+0x48/0x280 [ 330.284561] run_timer_softirq+0x52/0xb0 [ 330.288631] ? rcu_read_lock_sched_held+0x14f/0x180 [ 330.293650] __do_softirq+0x308/0xb7e [ 330.297470] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 330.301974] ? lock_downgrade+0x900/0x900 [ 330.306126] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 330.311237] ? pvclock_read_flags+0x160/0x160 [ 330.315733] ? lapic_next_event+0x5a/0x90 [ 330.319886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.325440] ? kvm_clock_read+0x18/0x30 [ 330.329419] ? kvm_sched_clock_read+0x9/0x20 [ 330.333834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.342688] ? check_preemption_disabled+0x48/0x280 [ 330.347732] irq_exit+0x17f/0x1c0 [ 330.351199] smp_apic_timer_interrupt+0x1cb/0x760 [ 330.356094] ? smp_reschedule_interrupt+0x109/0x650 [ 330.361117] ? smp_call_function_single_interrupt+0x650/0x650 [ 330.367001] ? interrupt_entry+0xb5/0xc0 [ 330.371078] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.376091] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.381118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.385979] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.390999] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.396014] ? task_prio+0x50/0x50 [ 330.399559] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.405100] ? check_preemption_disabled+0x48/0x280 [ 330.410127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.414977] apic_timer_interrupt+0xf/0x20 [ 330.419218] [ 330.421454] RIP: 0010:console_unlock+0x102f/0x1190 [ 330.426389] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 330.445289] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 330.452994] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 330.460264] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 330.467529] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 330.474794] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 330.482062] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 330.489337] ? netconsole_netdev_event+0x280/0x280 [ 330.494273] ? console_unlock+0x1026/0x1190 [ 330.498614] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 330.503289] ? lock_release+0xa00/0xa00 [ 330.507265] ? retint_kernel+0x2d/0x2d [ 330.511183] vprintk_emit+0x391/0x990 [ 330.514987] ? wake_up_klogd+0x180/0x180 [ 330.519070] ? match_held_lock+0x811/0x8d0 [ 330.523313] ? mark_held_locks+0xc7/0x130 [ 330.527461] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.531965] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.536473] vprintk_default+0x28/0x30 [ 330.540364] vprintk_func+0x7e/0x181 [ 330.544085] printk+0xa7/0xcf [ 330.547195] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 330.551969] ? _raw_spin_unlock_irq+0x60/0x80 [ 330.556476] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 330.561761] dump_header+0x7cc/0xf72 [ 330.565486] ? pagefault_out_of_memory+0x197/0x197 [ 330.570423] ? __lock_acquire+0x62f/0x4c20 [ 330.574659] ? percpu_ref_get_many+0x240/0x240 [ 330.579245] ? print_usage_bug+0xc0/0xc0 [ 330.583314] ? zap_class+0x640/0x640 [ 330.587033] ? print_usage_bug+0xc0/0xc0 [ 330.591096] ? zap_class+0x640/0x640 [ 330.594814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.600384] ? find_held_lock+0x36/0x1c0 [ 330.604467] ? mark_held_locks+0xc7/0x130 [ 330.608629] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 330.613731] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 330.618837] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 330.623421] ? trace_hardirqs_on+0xbd/0x310 [ 330.627746] ? kasan_check_read+0x11/0x20 [ 330.631895] ? ___ratelimit+0x3b4/0x672 [ 330.635882] ? trace_hardirqs_off_caller+0x310/0x310 [ 330.641420] ? trace_hardirqs_on+0x310/0x310 [ 330.645844] ? lock_downgrade+0x900/0x900 [ 330.650002] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 330.655104] ? ___ratelimit+0x3b9/0x672 [ 330.659079] ? idr_get_free+0xf70/0xf70 [ 330.663052] ? find_held_lock+0x36/0x1c0 [ 330.667126] oom_kill_process.cold.27+0x10/0x903 [ 330.671881] ? zap_class+0x640/0x640 [ 330.675599] ? check_preemption_disabled+0x48/0x280 [ 330.680621] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 330.685559] ? kasan_check_read+0x11/0x20 [ 330.689726] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 330.695002] ? oom_evaluate_task+0x540/0x540 [ 330.699414] ? find_held_lock+0x36/0x1c0 [ 330.703511] ? out_of_memory+0x974/0x1430 [ 330.707673] ? lock_downgrade+0x900/0x900 [ 330.711824] ? check_preemption_disabled+0x48/0x280 [ 330.716847] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 330.721778] ? kasan_check_read+0x11/0x20 [ 330.725938] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 330.731219] ? rcu_softirq_qs+0x20/0x20 [ 330.735204] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 330.740957] ? oom_evaluate_task+0x302/0x540 [ 330.745387] out_of_memory+0xa84/0x1430 [ 330.749384] ? oom_killer_disable+0x3a0/0x3a0 [ 330.753924] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 330.758881] ? __ww_mutex_check_waiters+0x160/0x160 [ 330.763907] __alloc_pages_slowpath+0x232c/0x2de0 [ 330.768794] ? warn_alloc+0x120/0x120 [ 330.772601] ? mark_held_locks+0x130/0x130 [ 330.776846] ? find_get_entry+0xaae/0x1120 [ 330.781096] ? filemap_map_pages+0x1a20/0x1a20 [ 330.785684] ? zap_class+0x640/0x640 [ 330.789410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.794967] ? check_preemption_disabled+0x48/0x280 [ 330.800003] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.805566] ? should_fail+0x22d/0xd01 [ 330.809462] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.814569] ? zap_class+0x640/0x640 [ 330.818320] ? __lock_is_held+0xb5/0x140 [ 330.822389] ? mark_held_locks+0x130/0x130 [ 330.826630] ? lock_release+0xa00/0xa00 [ 330.830640] ? perf_trace_sched_process_exec+0x860/0x860 [ 330.836086] ? xa_load+0x2ba/0x460 [ 330.839626] ? lock_downgrade+0x900/0x900 [ 330.843778] ? __might_sleep+0x95/0x190 [ 330.847757] __alloc_pages_nodemask+0xad8/0xea0 [ 330.852461] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 330.857482] ? __page_cache_alloc+0x191/0x5c0 [ 330.861975] ? xa_load+0x2e1/0x460 [ 330.865517] ? xa_clear_mark+0x40/0x40 [ 330.869401] ? zap_class+0x640/0x640 [ 330.873119] ? zap_class+0x640/0x640 [ 330.876839] ? zap_class+0x640/0x640 [ 330.880550] ? zap_class+0x640/0x640 [ 330.884268] ? __do_page_cache_readahead+0x663/0x810 [ 330.889374] ? find_held_lock+0x36/0x1c0 [ 330.893439] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 330.898981] alloc_pages_current+0x173/0x350 [ 330.903411] __page_cache_alloc+0x38c/0x5c0 [ 330.907743] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 330.912683] ? kasan_check_read+0x11/0x20 [ 330.916841] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 330.922123] ? generic_perform_write+0x6a0/0x6a0 [ 330.926897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.932470] ? check_preemption_disabled+0x48/0x280 [ 330.937494] filemap_fault+0x1595/0x25f0 [ 330.941567] ? __lock_page_or_retry+0xa00/0xa00 [ 330.946241] ? mark_held_locks+0x130/0x130 [ 330.950484] ? filemap_map_pages+0xd6b/0x1a20 [ 330.954983] ? lock_downgrade+0x900/0x900 [ 330.959131] ? check_preemption_disabled+0x48/0x280 [ 330.964148] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 330.969080] ? kasan_check_read+0x11/0x20 [ 330.973231] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 330.978511] ? rcu_softirq_qs+0x20/0x20 [ 330.982502] ? filemap_map_pages+0xd92/0x1a20 [ 330.987004] ? queue_work_on+0x12c/0x1e0 [ 330.991071] ? find_get_entries_tag+0x1400/0x1400 [ 330.995926] ? debug_object_destroy+0x2b0/0x2b0 [ 331.000611] ? lock_pi_update_atomic+0x150/0x150 [ 331.005367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.010924] ? lock_acquire+0x1ed/0x520 [ 331.014902] ? ext4_filemap_fault+0x7a/0xad [ 331.019244] ? lock_release+0xa00/0xa00 [ 331.023218] ? perf_trace_sched_process_exec+0x860/0x860 [ 331.028668] ? print_usage_bug+0xc0/0xc0 [ 331.032742] ? print_usage_bug+0xc0/0xc0 [ 331.036811] ? down_read+0x8d/0x120 [ 331.040472] ? ext4_filemap_fault+0x7a/0xad [ 331.044793] ? __down_interruptible+0x700/0x700 [ 331.049473] ext4_filemap_fault+0x82/0xad [ 331.053625] __do_fault+0x100/0x6b0 [ 331.057253] ? perf_tp_event+0xc20/0xc20 [ 331.061324] ? pmd_devmap_trans_unstable+0x220/0x220 [ 331.066433] ? mark_held_locks+0x130/0x130 [ 331.070670] ? mark_held_locks+0x130/0x130 [ 331.074912] ? debug_smp_processor_id+0x1c/0x20 [ 331.079596] ? perf_trace_lock+0x14d/0x7a0 [ 331.083840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.089389] __handle_mm_fault+0x3ea0/0x5be0 [ 331.093809] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 331.098652] ? lock_is_held_type+0x210/0x210 [ 331.103072] ? __switch_to_asm+0x34/0x70 [ 331.107137] ? __switch_to_asm+0x34/0x70 [ 331.111213] ? zap_class+0x640/0x640 [ 331.114939] ? zap_class+0x640/0x640 [ 331.118654] ? __x64_sys_futex+0x53e/0x6a0 [ 331.122895] ? find_held_lock+0x36/0x1c0 [ 331.126997] ? handle_mm_fault+0x42a/0xc70 [ 331.131235] ? lock_downgrade+0x900/0x900 [ 331.135386] ? check_preemption_disabled+0x48/0x280 [ 331.140406] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 331.145335] ? kasan_check_read+0x11/0x20 [ 331.149480] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 331.154753] ? rcu_softirq_qs+0x20/0x20 [ 331.158729] ? trace_hardirqs_off_caller+0x310/0x310 [ 331.163836] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.169437] ? check_preemption_disabled+0x48/0x280 [ 331.174469] handle_mm_fault+0x54f/0xc70 [ 331.178546] ? __handle_mm_fault+0x5be0/0x5be0 [ 331.183133] ? find_vma+0x34/0x190 [ 331.186681] __do_page_fault+0x5e8/0xe60 [ 331.190745] ? trace_hardirqs_off+0xb8/0x310 [ 331.195168] do_page_fault+0xf2/0x7e0 [ 331.198970] ? vmalloc_sync_all+0x30/0x30 [ 331.203124] ? error_entry+0x70/0xd0 [ 331.206839] ? trace_hardirqs_off_caller+0xbb/0x310 [ 331.211851] ? trace_hardirqs_on_caller+0xc0/0x310 [ 331.216780] ? syscall_return_slowpath+0x5e0/0x5e0 [ 331.221706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.226554] ? trace_hardirqs_on_caller+0x310/0x310 [ 331.231609] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 331.237096] ? prepare_exit_to_usermode+0x291/0x3b0 [ 331.242126] ? page_fault+0x8/0x30 [ 331.245685] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.250529] ? page_fault+0x8/0x30 [ 331.254094] page_fault+0x1e/0x30 [ 331.257548] RIP: 0033:0x45ddf3 [ 331.260760] Code: Bad RIP value. [ 331.264143] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 331.269512] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 331.276783] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 331.284058] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 331.291330] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 331.298602] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 331.305891] warn_alloc_show_mem: 1 callbacks suppressed [ 331.305902] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 331.305904] Mem-Info: [ 331.305948] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 331.305948] active_file:10 inactive_file:13 isolated_file:0 [ 331.305948] unevictable:0 dirty:0 writeback:0 unstable:0 [ 331.305948] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 331.305948] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 331.305948] free:13776 free_pcp:523 free_cma:0 [ 331.311290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.318305] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 331.320709] Call Trace: [ 331.353750] 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 [ 331.363094] [ 331.390756] lowmem_reserve[]: 0 2818 6321 6321 [ 331.393349] dump_stack+0x244/0x39d [ 331.421442] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 331.423608] ? dump_stack_print_info.cold.1+0x20/0x20 [ 331.428158] lowmem_reserve[]: 0 0 3503 3503 [ 331.431795] warn_alloc.cold.116+0xb7/0x1bd [ 331.459106] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 331.464303] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 331.468594] lowmem_reserve[]: 0 0 0 0 [ 331.472913] ? lock_downgrade+0x900/0x900 [ 331.501983] 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 [ 331.506837] ? trace_hardirqs_off+0xb8/0x310 [ 331.510608] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 331.514787] ? trace_hardirqs_off+0xb8/0x310 [ 331.528282] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 331.532691] __alloc_pages_slowpath+0x2651/0x2de0 [ 331.547768] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 331.552193] ? warn_alloc+0x120/0x120 [ 331.566569] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 331.571402] ? print_usage_bug+0xc0/0xc0 [ 331.580214] 1516 total pagecache pages [ 331.584005] ? warn_alloc+0x120/0x120 [ 331.592564] 0 pages in swap cache [ 331.596608] ? warn_alloc+0x120/0x120 [ 331.600477] Swap cache stats: add 0, delete 0, find 0/0 [ 331.604268] ? print_usage_bug+0xc0/0xc0 [ 331.608222] Free swap = 0kB [ 331.612025] ? kvm_clock_read+0x18/0x30 [ 331.617379] Total swap = 0kB [ 331.621440] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 331.624442] 1965979 pages RAM [ 331.628412] ? print_usage_bug+0xc0/0xc0 [ 331.631424] 0 pages HighMem/MovableOnly [ 331.636462] ? __lock_acquire+0x62f/0x4c20 [ 331.639561] 342854 pages reserved [ 331.643616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.647565] 0 pages cma reserved [ 331.651812] ? should_fail+0x22d/0xd01 [ 331.655305] aoe: skb alloc failure [ 331.660773] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 331.660791] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.660810] ? __lock_acquire+0x62f/0x4c20 [ 331.664193] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 331.668047] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.671565] syz-fuzzer cpuset=/ mems_allowed=0 [ 331.676873] ? __lock_acquire+0x62f/0x4c20 [ 331.710269] ? should_fail+0x22d/0xd01 [ 331.714153] ? rcu_irq_exit+0x1a2/0x390 [ 331.718142] ? mark_held_locks+0x130/0x130 [ 331.722382] ? mark_held_locks+0x130/0x130 [ 331.726643] ? mark_held_locks+0xc7/0x130 [ 331.730835] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 331.735853] ? zap_class+0x640/0x640 [ 331.739569] ? print_usage_bug+0xc0/0xc0 [ 331.743636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.749178] ? check_preemption_disabled+0x48/0x280 [ 331.754203] ? __lock_is_held+0xb5/0x140 [ 331.758271] __alloc_pages_nodemask+0xad8/0xea0 [ 331.762948] ? zap_class+0x640/0x640 [ 331.766679] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 331.771718] ? find_held_lock+0x36/0x1c0 [ 331.775794] ? ____cache_alloc_node+0x1c7/0x1e0 [ 331.780468] ? lock_downgrade+0x900/0x900 [ 331.784626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.790173] cache_grow_begin+0xa5/0x8c0 [ 331.794238] ? do_raw_spin_unlock+0xa7/0x330 [ 331.798651] fallback_alloc+0x204/0x2e0 [ 331.802674] ____cache_alloc_node+0x1c7/0x1e0 [ 331.807179] kmem_cache_alloc_node+0xe3/0x730 [ 331.811674] ? ipv6_get_ifaddr+0x42e/0x620 [ 331.815927] __alloc_skb+0x119/0x770 [ 331.819652] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 331.824955] ? netdev_alloc_frag+0x1f0/0x1f0 [ 331.829376] ? lock_downgrade+0x900/0x900 [ 331.833554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.839090] ? refcount_sub_and_test_checked+0x203/0x310 [ 331.844544] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 331.849997] ? addrconf_rs_timer+0x690/0x690 [ 331.854416] ndisc_alloc_skb+0x144/0x340 [ 331.858518] ndisc_send_rs+0x331/0x6e0 [ 331.862417] addrconf_rs_timer+0x314/0x690 [ 331.866657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.870914] call_timer_fn+0x272/0x920 [ 331.874810] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.879046] ? process_timeout+0x40/0x40 [ 331.883116] ? mark_held_locks+0xc7/0x130 [ 331.887270] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.891768] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.896262] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.900497] ? lockdep_hardirqs_on+0x296/0x5b0 [ 331.905089] ? trace_hardirqs_on+0xbd/0x310 [ 331.909424] ? kasan_check_read+0x11/0x20 [ 331.913574] ? __run_timers+0x7da/0xc70 [ 331.917547] ? trace_hardirqs_off_caller+0x310/0x310 [ 331.922659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.926898] __run_timers+0x7e5/0xc70 [ 331.930728] ? timer_fixup_init+0x70/0x70 [ 331.934897] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 331.939925] ? zap_class+0x640/0x640 [ 331.943647] ? print_usage_bug+0xc0/0xc0 [ 331.947722] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 331.952943] ? find_held_lock+0x36/0x1c0 [ 331.957011] ? zap_class+0x640/0x640 [ 331.960732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.966279] ? check_preemption_disabled+0x48/0x280 [ 331.971311] ? __lock_is_held+0xb5/0x140 [ 331.975375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.980932] ? check_preemption_disabled+0x48/0x280 [ 331.985959] run_timer_softirq+0x52/0xb0 [ 331.990196] ? rcu_read_lock_sched_held+0x14f/0x180 [ 331.995215] __do_softirq+0x308/0xb7e [ 331.999019] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 332.003512] ? lock_downgrade+0x900/0x900 [ 332.007664] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 332.012776] ? pvclock_read_flags+0x160/0x160 [ 332.017276] ? lapic_next_event+0x5a/0x90 [ 332.021448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.026994] ? kvm_clock_read+0x18/0x30 [ 332.030986] ? kvm_sched_clock_read+0x9/0x20 [ 332.035397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.040948] ? check_preemption_disabled+0x48/0x280 [ 332.046004] irq_exit+0x17f/0x1c0 [ 332.049462] smp_apic_timer_interrupt+0x1cb/0x760 [ 332.054304] ? smp_reschedule_interrupt+0x109/0x650 [ 332.059330] ? smp_call_function_single_interrupt+0x650/0x650 [ 332.065216] ? interrupt_entry+0xb5/0xc0 [ 332.069281] ? trace_hardirqs_off_caller+0xbb/0x310 [ 332.074294] ? trace_hardirqs_off_caller+0xbb/0x310 [ 332.079313] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.084200] ? trace_hardirqs_on_caller+0x310/0x310 [ 332.089229] ? trace_hardirqs_on_caller+0x310/0x310 [ 332.094242] ? task_prio+0x50/0x50 [ 332.097785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.103329] ? check_preemption_disabled+0x48/0x280 [ 332.108351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.113203] apic_timer_interrupt+0xf/0x20 [ 332.117439] [ 332.119677] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 332.124609] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 332.143525] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 332.151231] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 332.158502] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 332.165769] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 332.173034] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 332.180301] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 332.187600] rcu_read_lock_held+0xa9/0xc0 [ 332.191750] list_lru_count_one+0x31a/0x450 [ 332.196074] ? list_lru_isolate_move+0x3c0/0x3c0 [ 332.200834] ? deferred_split_count+0x65/0x170 [ 332.205415] ? shrink_huge_zero_page_count+0xc8/0x100 [ 332.210617] super_cache_count+0x153/0x2e0 [ 332.214860] do_shrink_slab+0x1b1/0xd30 [ 332.218859] ? lock_acquire+0x1ed/0x520 [ 332.222836] ? snapshot_refaults+0x290/0x290 [ 332.227262] ? lock_release+0xa00/0xa00 [ 332.231245] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 332.236187] ? down_read_trylock+0xda/0x140 [ 332.240507] ? shrink_slab+0x207/0x8c0 [ 332.244472] ? downgrade_write+0x270/0x270 [ 332.248718] shrink_slab+0x389/0x8c0 [ 332.252450] ? shrink_active_list+0x1f00/0x1f00 [ 332.257129] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 332.262759] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 332.267889] ? cgroup_procs_write_finish+0xf0/0xf0 [ 332.272832] ? find_held_lock+0x36/0x1c0 [ 332.276914] shrink_node+0x431/0x16b0 [ 332.280741] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 332.286045] ? shrink_node_memcg+0x18f0/0x18f0 [ 332.290630] ? kvm_clock_read+0x18/0x30 [ 332.294619] ? ktime_get+0x2c1/0x400 [ 332.298355] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 332.302853] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 332.308421] ? __cpuset_node_allowed+0x19b/0x660 [ 332.313198] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 332.318910] ? delayacct_end+0x5a/0x100 [ 332.322947] do_try_to_free_pages+0x3e7/0x1290 [ 332.327531] ? zap_class+0x640/0x640 [ 332.331290] ? shrink_node+0x16b0/0x16b0 [ 332.335352] ? __lock_is_held+0xb5/0x140 [ 332.339602] try_to_free_pages+0x4d0/0xb90 [ 332.343844] ? do_try_to_free_pages+0x1290/0x1290 [ 332.348731] ? lock_acquire+0x1ed/0x520 [ 332.352731] ? set_page_refcounted+0x280/0x280 [ 332.357324] ? lock_release+0xa00/0xa00 [ 332.361297] ? _raw_spin_unlock_irq+0x60/0x80 [ 332.365792] ? psi_memstall_enter+0x240/0x2b0 [ 332.370292] ? psi_memstall_tick+0x230/0x230 [ 332.374771] __alloc_pages_slowpath+0xa48/0x2de0 [ 332.379557] ? warn_alloc+0x120/0x120 [ 332.383358] ? mark_held_locks+0x130/0x130 [ 332.387613] ? find_get_entry+0xaae/0x1120 [ 332.391891] ? filemap_map_pages+0x1a20/0x1a20 [ 332.396483] ? zap_class+0x640/0x640 [ 332.400216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.405755] ? check_preemption_disabled+0x48/0x280 [ 332.410788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.416329] ? should_fail+0x22d/0xd01 [ 332.420252] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.425359] ? zap_class+0x640/0x640 [ 332.429111] ? __lock_is_held+0xb5/0x140 [ 332.433183] ? mark_held_locks+0x130/0x130 [ 332.437420] ? lock_release+0xa00/0xa00 [ 332.441403] ? perf_trace_sched_process_exec+0x860/0x860 [ 332.446870] ? xa_load+0x2ba/0x460 [ 332.450426] ? lock_downgrade+0x900/0x900 [ 332.454583] ? __might_sleep+0x95/0x190 [ 332.458565] __alloc_pages_nodemask+0xad8/0xea0 [ 332.463243] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 332.468260] ? __page_cache_alloc+0x191/0x5c0 [ 332.472750] ? xa_load+0x2e1/0x460 [ 332.476305] ? xa_clear_mark+0x40/0x40 [ 332.480196] ? zap_class+0x640/0x640 [ 332.483925] ? zap_class+0x640/0x640 [ 332.487638] ? zap_class+0x640/0x640 [ 332.491354] ? __do_page_cache_readahead+0x663/0x810 [ 332.496469] ? find_held_lock+0x36/0x1c0 [ 332.500532] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 332.506091] alloc_pages_current+0x173/0x350 [ 332.510510] __page_cache_alloc+0x38c/0x5c0 [ 332.514830] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 332.519763] ? kasan_check_read+0x11/0x20 [ 332.523909] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 332.529213] ? generic_perform_write+0x6a0/0x6a0 [ 332.533971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.539511] ? check_preemption_disabled+0x48/0x280 [ 332.544546] filemap_fault+0x1595/0x25f0 [ 332.548634] ? __lock_page_or_retry+0xa00/0xa00 [ 332.553305] ? mark_held_locks+0x130/0x130 [ 332.557549] ? filemap_map_pages+0xd6b/0x1a20 [ 332.562057] ? lock_downgrade+0x900/0x900 [ 332.566210] ? check_preemption_disabled+0x48/0x280 [ 332.571229] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 332.576159] ? kasan_check_read+0x11/0x20 [ 332.580327] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 332.585606] ? rcu_softirq_qs+0x20/0x20 [ 332.589668] ? filemap_map_pages+0xd92/0x1a20 [ 332.594172] ? print_usage_bug+0xc0/0xc0 [ 332.598237] ? find_get_entries_tag+0x1400/0x1400 [ 332.603092] ? __kasan_slab_free+0x102/0x150 [ 332.607502] ? kasan_slab_free+0xe/0x10 [ 332.611473] ? kmem_cache_free+0x83/0x290 [ 332.615622] ? __sigqueue_free.part.29+0x74/0x90 [ 332.620398] ? lock_acquire+0x1ed/0x520 [ 332.624408] ? ext4_filemap_fault+0x7a/0xad [ 332.628736] ? lock_release+0xa00/0xa00 [ 332.632724] ? perf_trace_sched_process_exec+0x860/0x860 [ 332.638175] ? print_usage_bug+0xc0/0xc0 [ 332.642245] ? print_usage_bug+0xc0/0xc0 [ 332.646317] ? down_read+0x8d/0x120 [ 332.649969] ? ext4_filemap_fault+0x7a/0xad [ 332.654288] ? __down_interruptible+0x700/0x700 [ 332.658965] ext4_filemap_fault+0x82/0xad [ 332.663123] __do_fault+0x100/0x6b0 [ 332.666756] ? pmd_devmap_trans_unstable+0x220/0x220 [ 332.671873] ? mark_held_locks+0x130/0x130 [ 332.676110] ? mark_held_locks+0x130/0x130 [ 332.680352] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 332.685897] ? rcu_pm_notify+0xc0/0xc0 [ 332.689815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.695360] __handle_mm_fault+0x3ea0/0x5be0 [ 332.699775] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 332.704638] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.709135] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 332.713721] ? trace_hardirqs_on+0xbd/0x310 [ 332.718042] ? kasan_check_read+0x11/0x20 [ 332.722189] ? __set_current_blocked+0xdf/0x120 [ 332.726861] ? trace_hardirqs_off_caller+0x310/0x310 [ 332.731987] ? zap_class+0x640/0x640 [ 332.735699] ? zap_class+0x640/0x640 [ 332.739951] ? find_held_lock+0x36/0x1c0 [ 332.744024] ? handle_mm_fault+0x42a/0xc70 [ 332.748263] ? lock_downgrade+0x900/0x900 [ 332.752447] ? check_preemption_disabled+0x48/0x280 [ 332.757483] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 332.762410] ? kasan_check_read+0x11/0x20 [ 332.766559] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 332.771851] ? rcu_softirq_qs+0x20/0x20 [ 332.775823] ? trace_hardirqs_off_caller+0x310/0x310 [ 332.780940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.786483] ? check_preemption_disabled+0x48/0x280 [ 332.791504] handle_mm_fault+0x54f/0xc70 [ 332.795582] ? __handle_mm_fault+0x5be0/0x5be0 [ 332.800205] ? find_vma+0x34/0x190 [ 332.803755] __do_page_fault+0x5e8/0xe60 [ 332.807822] ? exit_to_usermode_loop+0x1f4/0x380 [ 332.812592] do_page_fault+0xf2/0x7e0 [ 332.816420] ? vmalloc_sync_all+0x30/0x30 [ 332.820573] ? error_entry+0x70/0xd0 [ 332.824289] ? trace_hardirqs_off_caller+0xbb/0x310 [ 332.829320] ? trace_hardirqs_on_caller+0xc0/0x310 [ 332.834251] ? syscall_return_slowpath+0x5e0/0x5e0 [ 332.839180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.844024] ? trace_hardirqs_on_caller+0x310/0x310 [ 332.849038] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 332.854491] ? prepare_exit_to_usermode+0x291/0x3b0 [ 332.859510] ? page_fault+0x8/0x30 [ 332.863053] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.867899] ? page_fault+0x8/0x30 [ 332.871464] page_fault+0x1e/0x30 [ 332.874916] RIP: 0033:0x45db60 [ 332.878130] Code: Bad RIP value. [ 332.881508] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 332.886910] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 332.894212] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 332.901478] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 332.908744] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 332.916014] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 332.923311] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 332.923379] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 332.930364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.930385] Call Trace: [ 332.930391] [ 332.930412] dump_stack+0x244/0x39d [ 332.930429] ? dump_stack_print_info.cold.1+0x20/0x20 [ 332.937001] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 332.946302] warn_alloc.cold.116+0xb7/0x1bd [ 332.948855] syz-fuzzer cpuset=/ mems_allowed=0 [ 332.951003] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 332.983698] ? lock_downgrade+0x900/0x900 [ 332.987867] ? trace_hardirqs_off+0xb8/0x310 [ 332.992286] ? trace_hardirqs_off+0xb8/0x310 [ 332.996704] __alloc_pages_slowpath+0x2651/0x2de0 [ 333.001575] ? warn_alloc+0x120/0x120 [ 333.005381] ? warn_alloc+0x120/0x120 [ 333.009186] ? __lock_acquire+0x62f/0x4c20 [ 333.013423] ? warn_alloc+0x120/0x120 [ 333.017229] ? print_usage_bug+0xc0/0xc0 [ 333.021293] ? print_usage_bug+0xc0/0xc0 [ 333.025356] ? mark_held_locks+0x130/0x130 [ 333.029598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.035137] ? should_fail+0x22d/0xd01 [ 333.039025] ? zap_class+0x640/0x640 [ 333.042743] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.047847] ? __lock_acquire+0x62f/0x4c20 [ 333.052089] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.057192] ? should_fail+0x22d/0xd01 [ 333.061103] ? mark_held_locks+0x130/0x130 [ 333.065338] ? mark_held_locks+0x130/0x130 [ 333.069588] ? lock_downgrade+0x900/0x900 [ 333.073737] ? zap_class+0x640/0x640 [ 333.077455] ? zap_class+0x640/0x640 [ 333.081171] ? zap_class+0x640/0x640 [ 333.084882] ? do_raw_spin_unlock+0xa7/0x330 [ 333.089292] ? trace_hardirqs_on+0x310/0x310 [ 333.093696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.099251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.104824] ? check_preemption_disabled+0x48/0x280 [ 333.109852] ? __lock_is_held+0xb5/0x140 [ 333.113927] __alloc_pages_nodemask+0xad8/0xea0 [ 333.118624] ? zap_class+0x640/0x640 [ 333.122372] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 333.127400] ? find_held_lock+0x36/0x1c0 [ 333.131474] ? ____cache_alloc_node+0x1c7/0x1e0 [ 333.136144] ? lock_downgrade+0x900/0x900 [ 333.140303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.145857] cache_grow_begin+0xa5/0x8c0 [ 333.149916] ? do_raw_spin_unlock+0xa7/0x330 [ 333.154349] fallback_alloc+0x204/0x2e0 [ 333.158335] ____cache_alloc_node+0x1c7/0x1e0 [ 333.162834] kmem_cache_alloc_node+0xe3/0x730 [ 333.167333] ? lockdep_hardirqs_on+0x296/0x5b0 [ 333.171935] __alloc_skb+0x119/0x770 [ 333.175682] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 333.181068] ? netdev_alloc_frag+0x1f0/0x1f0 [ 333.185486] ? vprintk_default+0x28/0x30 [ 333.189552] ? vprintk_func+0x85/0x181 [ 333.193441] ? printk+0xa7/0xcf [ 333.196718] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 333.201489] ? do_raw_spin_trylock+0x270/0x270 [ 333.206107] new_skb+0x26/0x1c0 [ 333.209388] aoecmd_cfg+0x279/0x7f0 [ 333.213019] ? find_held_lock+0x36/0x1c0 [ 333.217085] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 333.221412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.226967] ? __lock_is_held+0xb5/0x140 [ 333.231044] discover_timer+0x50/0x60 [ 333.234847] call_timer_fn+0x272/0x920 [ 333.238742] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.243586] ? process_timeout+0x40/0x40 [ 333.247656] ? mark_held_locks+0xc7/0x130 [ 333.251812] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.256305] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.260798] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.265643] ? lockdep_hardirqs_on+0x296/0x5b0 [ 333.270225] ? trace_hardirqs_on+0xbd/0x310 [ 333.274560] ? kasan_check_read+0x11/0x20 [ 333.278729] ? __run_timers+0x7da/0xc70 [ 333.282703] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.287819] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.292658] __run_timers+0x7e5/0xc70 [ 333.296471] ? timer_fixup_init+0x70/0x70 [ 333.300623] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 333.305644] ? zap_class+0x640/0x640 [ 333.309364] ? print_usage_bug+0xc0/0xc0 [ 333.313430] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 333.318630] ? find_held_lock+0x36/0x1c0 [ 333.322697] ? zap_class+0x640/0x640 [ 333.326421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.331987] ? check_preemption_disabled+0x48/0x280 [ 333.337012] ? __lock_is_held+0xb5/0x140 [ 333.341074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.346612] ? check_preemption_disabled+0x48/0x280 [ 333.351639] run_timer_softirq+0x52/0xb0 [ 333.355702] ? rcu_read_lock_sched_held+0x14f/0x180 [ 333.360727] __do_softirq+0x308/0xb7e [ 333.364546] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 333.369049] ? lock_downgrade+0x900/0x900 [ 333.373212] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 333.378322] ? pvclock_read_flags+0x160/0x160 [ 333.382831] ? lapic_next_event+0x5a/0x90 [ 333.386984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.392531] ? kvm_clock_read+0x18/0x30 [ 333.396564] ? kvm_sched_clock_read+0x9/0x20 [ 333.400986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.406527] ? check_preemption_disabled+0x48/0x280 [ 333.411555] irq_exit+0x17f/0x1c0 [ 333.415017] smp_apic_timer_interrupt+0x1cb/0x760 [ 333.419861] ? smp_reschedule_interrupt+0x109/0x650 [ 333.424880] ? smp_call_function_single_interrupt+0x650/0x650 [ 333.430764] ? interrupt_entry+0xb5/0xc0 [ 333.434828] ? trace_hardirqs_off_caller+0xbb/0x310 [ 333.439843] ? trace_hardirqs_off_caller+0xbb/0x310 [ 333.444860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.449706] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.454720] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.459747] ? task_prio+0x50/0x50 [ 333.463289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.468828] ? check_preemption_disabled+0x48/0x280 [ 333.473851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.478702] apic_timer_interrupt+0xf/0x20 [ 333.482942] [ 333.485185] RIP: 0010:console_unlock+0x102f/0x1190 [ 333.490118] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 333.509023] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 333.516729] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 333.524006] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 333.531396] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 333.538659] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 333.545940] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 333.553221] ? netconsole_netdev_event+0x280/0x280 [ 333.558155] ? console_unlock+0x1026/0x1190 [ 333.562496] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 333.567174] ? lock_release+0xa00/0xa00 [ 333.571151] ? retint_kernel+0x2d/0x2d [ 333.575058] vprintk_emit+0x391/0x990 [ 333.578891] ? wake_up_klogd+0x180/0x180 [ 333.582975] ? match_held_lock+0x811/0x8d0 [ 333.587272] ? mark_held_locks+0xc7/0x130 [ 333.591440] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.595961] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.600462] vprintk_default+0x28/0x30 [ 333.604353] vprintk_func+0x7e/0x181 [ 333.608563] printk+0xa7/0xcf [ 333.611689] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 333.616457] ? _raw_spin_unlock_irq+0x60/0x80 [ 333.620984] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 333.626287] dump_header+0x7cc/0xf72 [ 333.630009] ? pagefault_out_of_memory+0x197/0x197 [ 333.634981] ? __lock_acquire+0x62f/0x4c20 [ 333.639234] ? percpu_ref_get_many+0x240/0x240 [ 333.643835] ? print_usage_bug+0xc0/0xc0 [ 333.647917] ? zap_class+0x640/0x640 [ 333.651652] ? print_usage_bug+0xc0/0xc0 [ 333.655714] ? zap_class+0x640/0x640 [ 333.659460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.665001] ? find_held_lock+0x36/0x1c0 [ 333.669073] ? mark_held_locks+0xc7/0x130 [ 333.673227] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.678331] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.683437] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 333.688027] ? trace_hardirqs_on+0xbd/0x310 [ 333.692351] ? kasan_check_read+0x11/0x20 [ 333.696498] ? ___ratelimit+0x3b4/0x672 [ 333.700476] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.705583] ? trace_hardirqs_on+0x310/0x310 [ 333.709995] ? lock_downgrade+0x900/0x900 [ 333.714165] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 333.719284] ? ___ratelimit+0x3b9/0x672 [ 333.723263] ? idr_get_free+0xf70/0xf70 [ 333.727240] ? find_held_lock+0x36/0x1c0 [ 333.731316] oom_kill_process.cold.27+0x10/0x903 [ 333.736076] ? zap_class+0x640/0x640 [ 333.739795] ? check_preemption_disabled+0x48/0x280 [ 333.744816] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 333.749744] ? kasan_check_read+0x11/0x20 [ 333.753891] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.759187] ? oom_evaluate_task+0x540/0x540 [ 333.763599] ? find_held_lock+0x36/0x1c0 [ 333.767698] ? out_of_memory+0x974/0x1430 [ 333.771853] ? lock_downgrade+0x900/0x900 [ 333.776011] ? check_preemption_disabled+0x48/0x280 [ 333.781034] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 333.785968] ? kasan_check_read+0x11/0x20 [ 333.790116] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.795394] ? rcu_softirq_qs+0x20/0x20 [ 333.799386] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 333.804945] ? oom_evaluate_task+0x302/0x540 [ 333.809378] out_of_memory+0xa84/0x1430 [ 333.813362] ? oom_killer_disable+0x3a0/0x3a0 [ 333.817859] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 333.822792] ? __ww_mutex_check_waiters+0x160/0x160 [ 333.827837] __alloc_pages_slowpath+0x232c/0x2de0 [ 333.832737] ? warn_alloc+0x120/0x120 [ 333.836566] ? mark_held_locks+0x130/0x130 [ 333.840805] ? find_get_entry+0xaae/0x1120 [ 333.845065] ? filemap_map_pages+0x1a20/0x1a20 [ 333.849657] ? zap_class+0x640/0x640 [ 333.853382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.858928] ? check_preemption_disabled+0x48/0x280 [ 333.863960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.869498] ? should_fail+0x22d/0xd01 [ 333.873389] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.878492] ? zap_class+0x640/0x640 [ 333.882233] ? __lock_is_held+0xb5/0x140 [ 333.886305] ? mark_held_locks+0x130/0x130 [ 333.890548] ? lock_release+0xa00/0xa00 [ 333.894524] ? perf_trace_sched_process_exec+0x860/0x860 [ 333.900063] ? xa_load+0x2ba/0x460 [ 333.903616] ? lock_downgrade+0x900/0x900 [ 333.907795] ? __might_sleep+0x95/0x190 [ 333.911772] __alloc_pages_nodemask+0xad8/0xea0 [ 333.916446] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 333.921466] ? __page_cache_alloc+0x191/0x5c0 [ 333.925960] ? xa_load+0x2e1/0x460 [ 333.929513] ? xa_clear_mark+0x40/0x40 [ 333.933413] ? zap_class+0x640/0x640 [ 333.937144] ? zap_class+0x640/0x640 [ 333.940863] ? zap_class+0x640/0x640 [ 333.944581] ? zap_class+0x640/0x640 [ 333.948299] ? __do_page_cache_readahead+0x663/0x810 [ 333.953408] ? find_held_lock+0x36/0x1c0 [ 333.957477] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 333.963032] alloc_pages_current+0x173/0x350 [ 333.967446] __page_cache_alloc+0x38c/0x5c0 [ 333.971771] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 333.976721] ? kasan_check_read+0x11/0x20 [ 333.980870] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.986148] ? generic_perform_write+0x6a0/0x6a0 [ 333.990904] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.996466] ? check_preemption_disabled+0x48/0x280 [ 334.001490] filemap_fault+0x1595/0x25f0 [ 334.005567] ? __lock_page_or_retry+0xa00/0xa00 [ 334.010238] ? mark_held_locks+0x130/0x130 [ 334.014481] ? filemap_map_pages+0xd6b/0x1a20 [ 334.018981] ? lock_downgrade+0x900/0x900 [ 334.023133] ? check_preemption_disabled+0x48/0x280 [ 334.028158] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 334.033088] ? kasan_check_read+0x11/0x20 [ 334.037234] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 334.042514] ? rcu_softirq_qs+0x20/0x20 [ 334.046506] ? filemap_map_pages+0xd92/0x1a20 [ 334.051006] ? queue_work_on+0x12c/0x1e0 [ 334.055076] ? find_get_entries_tag+0x1400/0x1400 [ 334.059935] ? debug_object_destroy+0x2b0/0x2b0 [ 334.064611] ? lock_pi_update_atomic+0x150/0x150 [ 334.069364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.074913] ? lock_acquire+0x1ed/0x520 [ 334.078918] ? ext4_filemap_fault+0x7a/0xad [ 334.083259] ? lock_release+0xa00/0xa00 [ 334.087232] ? perf_trace_sched_process_exec+0x860/0x860 [ 334.092724] ? print_usage_bug+0xc0/0xc0 [ 334.096786] ? print_usage_bug+0xc0/0xc0 [ 334.100859] ? down_read+0x8d/0x120 [ 334.104482] ? ext4_filemap_fault+0x7a/0xad [ 334.108807] ? __down_interruptible+0x700/0x700 [ 334.113535] ext4_filemap_fault+0x82/0xad [ 334.117702] __do_fault+0x100/0x6b0 [ 334.121327] ? perf_tp_event+0xc20/0xc20 [ 334.125410] ? pmd_devmap_trans_unstable+0x220/0x220 [ 334.130519] ? mark_held_locks+0x130/0x130 [ 334.134755] ? mark_held_locks+0x130/0x130 [ 334.138991] ? debug_smp_processor_id+0x1c/0x20 [ 334.143658] ? perf_trace_lock+0x14d/0x7a0 [ 334.147896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.153451] __handle_mm_fault+0x3ea0/0x5be0 [ 334.157869] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 334.162770] ? lock_is_held_type+0x210/0x210 [ 334.167182] ? __switch_to_asm+0x34/0x70 [ 334.171241] ? __switch_to_asm+0x34/0x70 [ 334.175330] ? zap_class+0x640/0x640 [ 334.179044] ? zap_class+0x640/0x640 [ 334.182758] ? __x64_sys_futex+0x53e/0x6a0 [ 334.187006] ? find_held_lock+0x36/0x1c0 [ 334.191077] ? handle_mm_fault+0x42a/0xc70 [ 334.195313] ? lock_downgrade+0x900/0x900 [ 334.199461] ? check_preemption_disabled+0x48/0x280 [ 334.204494] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 334.209424] ? kasan_check_read+0x11/0x20 [ 334.213569] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 334.218845] ? rcu_softirq_qs+0x20/0x20 [ 334.222818] ? trace_hardirqs_off_caller+0x310/0x310 [ 334.227929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.233503] ? check_preemption_disabled+0x48/0x280 [ 334.238531] handle_mm_fault+0x54f/0xc70 [ 334.242603] ? __handle_mm_fault+0x5be0/0x5be0 [ 334.247191] ? find_vma+0x34/0x190 [ 334.250741] __do_page_fault+0x5e8/0xe60 [ 334.254801] ? trace_hardirqs_off+0xb8/0x310 [ 334.259221] do_page_fault+0xf2/0x7e0 [ 334.263024] ? vmalloc_sync_all+0x30/0x30 [ 334.267185] ? error_entry+0x70/0xd0 [ 334.270902] ? trace_hardirqs_off_caller+0xbb/0x310 [ 334.275956] ? trace_hardirqs_on_caller+0xc0/0x310 [ 334.280912] ? syscall_return_slowpath+0x5e0/0x5e0 [ 334.285867] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.290708] ? trace_hardirqs_on_caller+0x310/0x310 [ 334.295721] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 334.301189] ? prepare_exit_to_usermode+0x291/0x3b0 [ 334.306203] ? page_fault+0x8/0x30 [ 334.309744] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.314590] ? page_fault+0x8/0x30 [ 334.318133] page_fault+0x1e/0x30 [ 334.321583] RIP: 0033:0x45ddf3 [ 334.324786] Code: Bad RIP value. [ 334.328151] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 334.333515] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 334.340784] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 334.348050] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 334.355317] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 334.362586] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 334.369872] warn_alloc_show_mem: 1 callbacks suppressed [ 334.369884] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 334.369886] Mem-Info: [ 334.369916] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 334.369916] active_file:10 inactive_file:13 isolated_file:0 [ 334.369916] unevictable:0 dirty:0 writeback:0 unstable:0 [ 334.369916] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 334.369916] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 334.369916] free:13776 free_pcp:523 free_cma:0 [ 334.375268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.382284] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 334.384697] Call Trace: [ 334.417759] 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 [ 334.427095] [ 334.427122] dump_stack+0x244/0x39d [ 334.454768] lowmem_reserve[]: 0 2818 6321 6321 [ 334.457361] ? dump_stack_print_info.cold.1+0x20/0x20 [ 334.483448] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 334.485599] warn_alloc.cold.116+0xb7/0x1bd [ 334.489191] lowmem_reserve[]: 0 0 3503 3503 [ 334.493771] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 334.498947] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 334.526264] ? lock_downgrade+0x900/0x900 [ 334.530581] lowmem_reserve[]: 0 0 0 0 [ 334.534974] ? trace_hardirqs_off+0xb8/0x310 [ 334.539834] 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 [ 334.568900] ? trace_hardirqs_off+0xb8/0x310 [ 334.573020] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 334.576821] __alloc_pages_slowpath+0x2651/0x2de0 [ 334.581218] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 334.594788] ? warn_alloc+0x120/0x120 [ 334.599159] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 334.614235] ? print_usage_bug+0xc0/0xc0 [ 334.619059] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 334.633443] ? warn_alloc+0x120/0x120 [ 334.637215] 1516 total pagecache pages [ 334.646041] ? warn_alloc+0x120/0x120 [ 334.650083] 0 pages in swap cache [ 334.658643] ? print_usage_bug+0xc0/0xc0 [ 334.662420] Swap cache stats: add 0, delete 0, find 0/0 [ 334.666300] ? print_usage_bug+0xc0/0xc0 [ 334.670088] Free swap = 0kB [ 334.673564] ? __lock_acquire+0x62f/0x4c20 [ 334.677608] Total swap = 0kB [ 334.682967] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.687007] 1965979 pages RAM [ 334.690019] ? should_fail+0x22d/0xd01 [ 334.694245] 0 pages HighMem/MovableOnly [ 334.697258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.702770] 342854 pages reserved [ 334.705866] ? __lock_acquire+0x62f/0x4c20 [ 334.709757] 0 pages cma reserved [ 334.713723] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.718882] aoe: skb alloc failure [ 334.722254] ? __lock_acquire+0x62f/0x4c20 [ 334.722272] ? should_fail+0x22d/0xd01 [ 334.726522] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 334.729847] ? find_held_lock+0x36/0x1c0 [ 334.734935] syz-fuzzer cpuset=/ mems_allowed=0 [ 334.738950] ? mark_held_locks+0x130/0x130 [ 334.770096] ? mark_held_locks+0x130/0x130 [ 334.774333] ? zap_class+0x640/0x640 [ 334.778064] ? zap_class+0x640/0x640 [ 334.781783] ? print_usage_bug+0xc0/0xc0 [ 334.785847] ? do_raw_spin_unlock+0xa7/0x330 [ 334.790260] ? zap_class+0x640/0x640 [ 334.793972] ? print_usage_bug+0xc0/0xc0 [ 334.798034] ? wq_watchdog_touch+0x9c/0xfe [ 334.802273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.807815] ? check_preemption_disabled+0x48/0x280 [ 334.812842] ? __lock_is_held+0xb5/0x140 [ 334.816915] __alloc_pages_nodemask+0xad8/0xea0 [ 334.821595] ? zap_class+0x640/0x640 [ 334.825313] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 334.830342] ? find_held_lock+0x36/0x1c0 [ 334.834416] ? ____cache_alloc_node+0x1c7/0x1e0 [ 334.839090] ? lock_downgrade+0x900/0x900 [ 334.843249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.848791] cache_grow_begin+0xa5/0x8c0 [ 334.852851] ? do_raw_spin_unlock+0xa7/0x330 [ 334.857267] fallback_alloc+0x204/0x2e0 [ 334.861247] ____cache_alloc_node+0x1c7/0x1e0 [ 334.865748] kmem_cache_alloc_node+0xe3/0x730 [ 334.870256] ? ipv6_get_ifaddr+0x42e/0x620 [ 334.874506] __alloc_skb+0x119/0x770 [ 334.878222] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 334.883505] ? netdev_alloc_frag+0x1f0/0x1f0 [ 334.887913] ? lock_downgrade+0x900/0x900 [ 334.892080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.897617] ? refcount_sub_and_test_checked+0x203/0x310 [ 334.903074] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 334.908526] ? addrconf_rs_timer+0x690/0x690 [ 334.912954] ndisc_alloc_skb+0x144/0x340 [ 334.917023] ndisc_send_rs+0x331/0x6e0 [ 334.920915] addrconf_rs_timer+0x314/0x690 [ 334.925166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.929414] call_timer_fn+0x272/0x920 [ 334.933305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.937541] ? process_timeout+0x40/0x40 [ 334.941611] ? mark_held_locks+0xc7/0x130 [ 334.945762] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.950258] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.954750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.958990] ? lockdep_hardirqs_on+0x296/0x5b0 [ 334.963576] ? trace_hardirqs_on+0xbd/0x310 [ 334.967900] ? kasan_check_read+0x11/0x20 [ 334.972055] ? __run_timers+0x7da/0xc70 [ 334.976038] ? trace_hardirqs_off_caller+0x310/0x310 [ 334.981148] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.985387] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.989620] __run_timers+0x7e5/0xc70 [ 334.993436] ? timer_fixup_init+0x70/0x70 [ 334.997587] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 335.002607] ? zap_class+0x640/0x640 [ 335.006329] ? print_usage_bug+0xc0/0xc0 [ 335.010393] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 335.015591] ? find_held_lock+0x36/0x1c0 [ 335.019657] ? zap_class+0x640/0x640 [ 335.023376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.028928] ? check_preemption_disabled+0x48/0x280 [ 335.033966] ? __lock_is_held+0xb5/0x140 [ 335.038032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.043571] ? check_preemption_disabled+0x48/0x280 [ 335.048594] run_timer_softirq+0x52/0xb0 [ 335.052661] ? rcu_read_lock_sched_held+0x14f/0x180 [ 335.057678] __do_softirq+0x308/0xb7e [ 335.061483] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 335.065979] ? lock_downgrade+0x900/0x900 [ 335.070133] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 335.075247] ? pvclock_read_flags+0x160/0x160 [ 335.079744] ? lapic_next_event+0x5a/0x90 [ 335.083895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.089620] ? kvm_clock_read+0x18/0x30 [ 335.093596] ? kvm_sched_clock_read+0x9/0x20 [ 335.098009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.103551] ? check_preemption_disabled+0x48/0x280 [ 335.108576] irq_exit+0x17f/0x1c0 [ 335.112033] smp_apic_timer_interrupt+0x1cb/0x760 [ 335.116874] ? smp_reschedule_interrupt+0x109/0x650 [ 335.121892] ? smp_call_function_single_interrupt+0x650/0x650 [ 335.127783] ? interrupt_entry+0xb5/0xc0 [ 335.131850] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.136868] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.141886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.146729] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.151744] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.156762] ? task_prio+0x50/0x50 [ 335.160328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.165871] ? check_preemption_disabled+0x48/0x280 [ 335.170894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.175757] apic_timer_interrupt+0xf/0x20 [ 335.179985] [ 335.182228] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 335.187161] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 335.206063] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 335.213771] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 335.221044] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 335.228311] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 335.235576] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 335.242841] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 335.250139] rcu_read_lock_held+0xa9/0xc0 [ 335.254288] list_lru_count_one+0x31a/0x450 [ 335.258610] ? list_lru_isolate_move+0x3c0/0x3c0 [ 335.263394] ? deferred_split_count+0x65/0x170 [ 335.267981] ? shrink_huge_zero_page_count+0xc8/0x100 [ 335.273194] super_cache_count+0x153/0x2e0 [ 335.277462] do_shrink_slab+0x1b1/0xd30 [ 335.281466] ? lock_acquire+0x1ed/0x520 [ 335.285464] ? snapshot_refaults+0x290/0x290 [ 335.289875] ? lock_release+0xa00/0xa00 [ 335.293851] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 335.298792] ? down_read_trylock+0xda/0x140 [ 335.303112] ? shrink_slab+0x207/0x8c0 [ 335.307003] ? downgrade_write+0x270/0x270 [ 335.311252] shrink_slab+0x389/0x8c0 [ 335.314973] ? shrink_active_list+0x1f00/0x1f00 [ 335.319648] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 335.325287] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 335.330400] ? cgroup_procs_write_finish+0xf0/0xf0 [ 335.335341] ? find_held_lock+0x36/0x1c0 [ 335.339414] shrink_node+0x431/0x16b0 [ 335.343225] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 335.348571] ? shrink_node_memcg+0x18f0/0x18f0 [ 335.353174] ? kvm_clock_read+0x18/0x30 [ 335.357150] ? ktime_get+0x2c1/0x400 [ 335.360869] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 335.365366] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 335.370917] ? __cpuset_node_allowed+0x19b/0x660 [ 335.375701] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 335.381428] ? delayacct_end+0x5a/0x100 [ 335.385420] do_try_to_free_pages+0x3e7/0x1290 [ 335.390004] ? zap_class+0x640/0x640 [ 335.393735] ? shrink_node+0x16b0/0x16b0 [ 335.397810] ? __lock_is_held+0xb5/0x140 [ 335.401896] try_to_free_pages+0x4d0/0xb90 [ 335.406149] ? do_try_to_free_pages+0x1290/0x1290 [ 335.411050] ? lock_acquire+0x1ed/0x520 [ 335.415045] ? set_page_refcounted+0x280/0x280 [ 335.419633] ? lock_release+0xa00/0xa00 [ 335.423608] ? _raw_spin_unlock_irq+0x60/0x80 [ 335.428122] ? psi_memstall_enter+0x240/0x2b0 [ 335.432617] ? psi_memstall_tick+0x230/0x230 [ 335.437039] __alloc_pages_slowpath+0xa48/0x2de0 [ 335.441831] ? warn_alloc+0x120/0x120 [ 335.445630] ? mark_held_locks+0x130/0x130 [ 335.449870] ? find_get_entry+0xaae/0x1120 [ 335.454111] ? filemap_map_pages+0x1a20/0x1a20 [ 335.458697] ? zap_class+0x640/0x640 [ 335.462437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.467977] ? check_preemption_disabled+0x48/0x280 [ 335.472994] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.478533] ? should_fail+0x22d/0xd01 [ 335.482458] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.487562] ? zap_class+0x640/0x640 [ 335.491300] ? __lock_is_held+0xb5/0x140 [ 335.495368] ? mark_held_locks+0x130/0x130 [ 335.499606] ? lock_release+0xa00/0xa00 [ 335.503581] ? perf_trace_sched_process_exec+0x860/0x860 [ 335.509028] ? xa_load+0x2ba/0x460 [ 335.512574] ? lock_downgrade+0x900/0x900 [ 335.516744] ? __might_sleep+0x95/0x190 [ 335.520732] __alloc_pages_nodemask+0xad8/0xea0 [ 335.525411] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 335.530436] ? __page_cache_alloc+0x191/0x5c0 [ 335.534940] ? xa_load+0x2e1/0x460 [ 335.538845] ? xa_clear_mark+0x40/0x40 [ 335.542759] ? zap_class+0x640/0x640 [ 335.546479] ? zap_class+0x640/0x640 [ 335.550285] ? zap_class+0x640/0x640 [ 335.554005] ? __do_page_cache_readahead+0x663/0x810 [ 335.559113] ? find_held_lock+0x36/0x1c0 [ 335.563188] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 335.568735] alloc_pages_current+0x173/0x350 [ 335.573148] __page_cache_alloc+0x38c/0x5c0 [ 335.577468] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 335.582412] ? kasan_check_read+0x11/0x20 [ 335.586596] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 335.591903] ? generic_perform_write+0x6a0/0x6a0 [ 335.596669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.602208] ? check_preemption_disabled+0x48/0x280 [ 335.607446] filemap_fault+0x1595/0x25f0 [ 335.611538] ? __lock_page_or_retry+0xa00/0xa00 [ 335.616212] ? mark_held_locks+0x130/0x130 [ 335.620461] ? filemap_map_pages+0xd6b/0x1a20 [ 335.625003] ? lock_downgrade+0x900/0x900 [ 335.629155] ? check_preemption_disabled+0x48/0x280 [ 335.634455] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 335.639390] ? kasan_check_read+0x11/0x20 [ 335.643535] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 335.648871] ? rcu_softirq_qs+0x20/0x20 [ 335.652879] ? filemap_map_pages+0xd92/0x1a20 [ 335.657380] ? print_usage_bug+0xc0/0xc0 [ 335.661450] ? find_get_entries_tag+0x1400/0x1400 [ 335.666290] ? __kasan_slab_free+0x102/0x150 [ 335.670731] ? kasan_slab_free+0xe/0x10 [ 335.674704] ? kmem_cache_free+0x83/0x290 [ 335.678852] ? __sigqueue_free.part.29+0x74/0x90 [ 335.683628] ? lock_acquire+0x1ed/0x520 [ 335.687612] ? ext4_filemap_fault+0x7a/0xad [ 335.691947] ? lock_release+0xa00/0xa00 [ 335.695931] ? perf_trace_sched_process_exec+0x860/0x860 [ 335.701396] ? print_usage_bug+0xc0/0xc0 [ 335.705481] ? print_usage_bug+0xc0/0xc0 [ 335.709573] ? down_read+0x8d/0x120 [ 335.713198] ? ext4_filemap_fault+0x7a/0xad [ 335.717529] ? __down_interruptible+0x700/0x700 [ 335.722210] ext4_filemap_fault+0x82/0xad [ 335.726361] __do_fault+0x100/0x6b0 [ 335.730000] ? pmd_devmap_trans_unstable+0x220/0x220 [ 335.735105] ? mark_held_locks+0x130/0x130 [ 335.739342] ? mark_held_locks+0x130/0x130 [ 335.743581] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 335.749123] ? rcu_pm_notify+0xc0/0xc0 [ 335.753019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.758560] __handle_mm_fault+0x3ea0/0x5be0 [ 335.762977] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 335.767832] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.772357] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 335.776950] ? trace_hardirqs_on+0xbd/0x310 [ 335.781272] ? kasan_check_read+0x11/0x20 [ 335.785417] ? __set_current_blocked+0xdf/0x120 [ 335.790089] ? trace_hardirqs_off_caller+0x310/0x310 [ 335.795206] ? zap_class+0x640/0x640 [ 335.798942] ? zap_class+0x640/0x640 [ 335.802680] ? find_held_lock+0x36/0x1c0 [ 335.806751] ? handle_mm_fault+0x42a/0xc70 [ 335.811018] ? lock_downgrade+0x900/0x900 [ 335.815171] ? check_preemption_disabled+0x48/0x280 [ 335.820189] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 335.825117] ? kasan_check_read+0x11/0x20 [ 335.829265] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 335.834544] ? rcu_softirq_qs+0x20/0x20 [ 335.838533] ? trace_hardirqs_off_caller+0x310/0x310 [ 335.843639] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.849213] ? check_preemption_disabled+0x48/0x280 [ 335.854255] handle_mm_fault+0x54f/0xc70 [ 335.858331] ? __handle_mm_fault+0x5be0/0x5be0 [ 335.862918] ? find_vma+0x34/0x190 [ 335.866476] __do_page_fault+0x5e8/0xe60 [ 335.870539] ? exit_to_usermode_loop+0x1f4/0x380 [ 335.875304] do_page_fault+0xf2/0x7e0 [ 335.879110] ? vmalloc_sync_all+0x30/0x30 [ 335.883261] ? error_entry+0x70/0xd0 [ 335.886979] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.891996] ? trace_hardirqs_on_caller+0xc0/0x310 [ 335.896932] ? syscall_return_slowpath+0x5e0/0x5e0 [ 335.901862] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.906708] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.911723] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 335.917177] ? prepare_exit_to_usermode+0x291/0x3b0 [ 335.922193] ? page_fault+0x8/0x30 [ 335.925735] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.930585] ? page_fault+0x8/0x30 [ 335.934129] page_fault+0x1e/0x30 [ 335.937579] RIP: 0033:0x45db60 [ 335.940786] Code: Bad RIP value. [ 335.944149] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 335.949511] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 335.956775] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 335.964042] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 335.971311] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 335.978576] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 335.985883] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 335.985973] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 335.992917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.992930] Call Trace: [ 335.992941] [ 335.992960] dump_stack+0x244/0x39d [ 335.992981] ? dump_stack_print_info.cold.1+0x20/0x20 [ 335.999562] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 336.008819] warn_alloc.cold.116+0xb7/0x1bd [ 336.011376] syz-fuzzer cpuset=/ mems_allowed=0 [ 336.013518] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 336.046240] ? lock_downgrade+0x900/0x900 [ 336.050412] ? trace_hardirqs_off+0xb8/0x310 [ 336.054840] ? trace_hardirqs_off+0xb8/0x310 [ 336.059259] __alloc_pages_slowpath+0x2651/0x2de0 [ 336.064133] ? warn_alloc+0x120/0x120 [ 336.067954] ? warn_alloc+0x120/0x120 [ 336.071756] ? __lock_acquire+0x62f/0x4c20 [ 336.075992] ? warn_alloc+0x120/0x120 [ 336.079800] ? print_usage_bug+0xc0/0xc0 [ 336.083863] ? print_usage_bug+0xc0/0xc0 [ 336.087938] ? mark_held_locks+0x130/0x130 [ 336.092185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.097724] ? should_fail+0x22d/0xd01 [ 336.101613] ? zap_class+0x640/0x640 [ 336.105333] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.110439] ? __lock_acquire+0x62f/0x4c20 [ 336.114693] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.119807] ? should_fail+0x22d/0xd01 [ 336.123702] ? mark_held_locks+0x130/0x130 [ 336.127962] ? mark_held_locks+0x130/0x130 [ 336.132196] ? lock_downgrade+0x900/0x900 [ 336.136343] ? zap_class+0x640/0x640 [ 336.140074] ? zap_class+0x640/0x640 [ 336.143820] ? zap_class+0x640/0x640 [ 336.147539] ? do_raw_spin_unlock+0xa7/0x330 [ 336.151996] ? trace_hardirqs_on+0x310/0x310 [ 336.156415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.161962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.167505] ? check_preemption_disabled+0x48/0x280 [ 336.172531] ? __lock_is_held+0xb5/0x140 [ 336.176598] __alloc_pages_nodemask+0xad8/0xea0 [ 336.181265] ? zap_class+0x640/0x640 [ 336.184985] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 336.190031] ? find_held_lock+0x36/0x1c0 [ 336.194103] ? ____cache_alloc_node+0x1c7/0x1e0 [ 336.198774] ? lock_downgrade+0x900/0x900 [ 336.202957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.208518] cache_grow_begin+0xa5/0x8c0 [ 336.212575] ? do_raw_spin_unlock+0xa7/0x330 [ 336.217008] fallback_alloc+0x204/0x2e0 [ 336.221019] ____cache_alloc_node+0x1c7/0x1e0 [ 336.225519] kmem_cache_alloc_node+0xe3/0x730 [ 336.230019] ? lockdep_hardirqs_on+0x296/0x5b0 [ 336.234611] __alloc_skb+0x119/0x770 [ 336.238326] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 336.243689] ? netdev_alloc_frag+0x1f0/0x1f0 [ 336.248118] ? vprintk_default+0x28/0x30 [ 336.252179] ? vprintk_func+0x85/0x181 [ 336.256082] ? printk+0xa7/0xcf [ 336.259363] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 336.264135] ? do_raw_spin_trylock+0x270/0x270 [ 336.268736] new_skb+0x26/0x1c0 [ 336.272016] aoecmd_cfg+0x279/0x7f0 [ 336.275657] ? find_held_lock+0x36/0x1c0 [ 336.279725] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 336.284056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.289619] ? __lock_is_held+0xb5/0x140 [ 336.293692] discover_timer+0x50/0x60 [ 336.297491] call_timer_fn+0x272/0x920 [ 336.301380] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 336.306236] ? process_timeout+0x40/0x40 [ 336.310309] ? mark_held_locks+0xc7/0x130 [ 336.314461] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.318957] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.323454] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 336.328301] ? lockdep_hardirqs_on+0x296/0x5b0 [ 336.332889] ? trace_hardirqs_on+0xbd/0x310 [ 336.337216] ? kasan_check_read+0x11/0x20 [ 336.341365] ? __run_timers+0x7da/0xc70 [ 336.345342] ? trace_hardirqs_off_caller+0x310/0x310 [ 336.350460] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 336.355313] __run_timers+0x7e5/0xc70 [ 336.359128] ? timer_fixup_init+0x70/0x70 [ 336.363292] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 336.368339] ? zap_class+0x640/0x640 [ 336.372112] ? print_usage_bug+0xc0/0xc0 [ 336.376178] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 336.381397] ? find_held_lock+0x36/0x1c0 [ 336.385461] ? zap_class+0x640/0x640 [ 336.389181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.394729] ? check_preemption_disabled+0x48/0x280 [ 336.399753] ? __lock_is_held+0xb5/0x140 [ 336.403819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.409366] ? check_preemption_disabled+0x48/0x280 [ 336.414406] run_timer_softirq+0x52/0xb0 [ 336.418471] ? rcu_read_lock_sched_held+0x14f/0x180 [ 336.423490] __do_softirq+0x308/0xb7e [ 336.427309] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 336.431823] ? lock_downgrade+0x900/0x900 [ 336.435993] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 336.441103] ? pvclock_read_flags+0x160/0x160 [ 336.445610] ? lapic_next_event+0x5a/0x90 [ 336.449762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.455308] ? kvm_clock_read+0x18/0x30 [ 336.459282] ? kvm_sched_clock_read+0x9/0x20 [ 336.463721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.469258] ? check_preemption_disabled+0x48/0x280 [ 336.474283] irq_exit+0x17f/0x1c0 [ 336.477741] smp_apic_timer_interrupt+0x1cb/0x760 [ 336.482612] ? smp_reschedule_interrupt+0x109/0x650 [ 336.487633] ? smp_call_function_single_interrupt+0x650/0x650 [ 336.493518] ? interrupt_entry+0xb5/0xc0 [ 336.497585] ? trace_hardirqs_off_caller+0xbb/0x310 [ 336.502617] ? trace_hardirqs_off_caller+0xbb/0x310 [ 336.507638] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.512482] ? trace_hardirqs_on_caller+0x310/0x310 [ 336.517529] ? trace_hardirqs_on_caller+0x310/0x310 [ 336.522561] ? task_prio+0x50/0x50 [ 336.526108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.531648] ? check_preemption_disabled+0x48/0x280 [ 336.536670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.541525] apic_timer_interrupt+0xf/0x20 [ 336.545753] [ 336.548001] RIP: 0010:console_unlock+0x102f/0x1190 [ 336.552942] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 336.571843] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 336.579573] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 336.586867] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 336.594171] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 336.601437] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 336.608710] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 336.615987] ? netconsole_netdev_event+0x280/0x280 [ 336.620948] ? console_unlock+0x1026/0x1190 [ 336.625293] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 336.629967] ? lock_release+0xa00/0xa00 [ 336.633957] ? retint_kernel+0x2d/0x2d [ 336.637861] vprintk_emit+0x391/0x990 [ 336.641669] ? wake_up_klogd+0x180/0x180 [ 336.645742] ? match_held_lock+0x811/0x8d0 [ 336.649987] ? mark_held_locks+0xc7/0x130 [ 336.654135] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.658629] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.663128] vprintk_default+0x28/0x30 [ 336.667017] vprintk_func+0x7e/0x181 [ 336.670733] printk+0xa7/0xcf [ 336.673842] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 336.678619] ? _raw_spin_unlock_irq+0x60/0x80 [ 336.683125] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 336.688431] dump_header+0x7cc/0xf72 [ 336.692175] ? pagefault_out_of_memory+0x197/0x197 [ 336.697114] ? __lock_acquire+0x62f/0x4c20 [ 336.701353] ? percpu_ref_get_many+0x240/0x240 [ 336.705951] ? print_usage_bug+0xc0/0xc0 [ 336.710022] ? zap_class+0x640/0x640 [ 336.713743] ? print_usage_bug+0xc0/0xc0 [ 336.717807] ? zap_class+0x640/0x640 [ 336.721527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.727099] ? find_held_lock+0x36/0x1c0 [ 336.731173] ? mark_held_locks+0xc7/0x130 [ 336.735342] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 336.740660] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 336.745767] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 336.750354] ? trace_hardirqs_on+0xbd/0x310 [ 336.754689] ? kasan_check_read+0x11/0x20 [ 336.758853] ? ___ratelimit+0x3b4/0x672 [ 336.762847] ? trace_hardirqs_off_caller+0x310/0x310 [ 336.767966] ? trace_hardirqs_on+0x310/0x310 [ 336.772375] ? lock_downgrade+0x900/0x900 [ 336.776534] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 336.781640] ? ___ratelimit+0x3b9/0x672 [ 336.785624] ? idr_get_free+0xf70/0xf70 [ 336.789598] ? find_held_lock+0x36/0x1c0 [ 336.793673] oom_kill_process.cold.27+0x10/0x903 [ 336.798455] ? zap_class+0x640/0x640 [ 336.802200] ? check_preemption_disabled+0x48/0x280 [ 336.807233] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 336.812162] ? kasan_check_read+0x11/0x20 [ 336.816309] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 336.821589] ? oom_evaluate_task+0x540/0x540 [ 336.826001] ? find_held_lock+0x36/0x1c0 [ 336.830070] ? out_of_memory+0x974/0x1430 [ 336.834230] ? lock_downgrade+0x900/0x900 [ 336.838381] ? check_preemption_disabled+0x48/0x280 [ 336.843401] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 336.848327] ? kasan_check_read+0x11/0x20 [ 336.852476] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 336.857750] ? rcu_softirq_qs+0x20/0x20 [ 336.861758] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 336.867294] ? oom_evaluate_task+0x302/0x540 [ 336.871722] out_of_memory+0xa84/0x1430 [ 336.875705] ? oom_killer_disable+0x3a0/0x3a0 [ 336.880200] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 336.885134] ? __ww_mutex_check_waiters+0x160/0x160 [ 336.890163] __alloc_pages_slowpath+0x232c/0x2de0 [ 336.895050] ? warn_alloc+0x120/0x120 [ 336.898849] ? mark_held_locks+0x130/0x130 [ 336.903088] ? find_get_entry+0xaae/0x1120 [ 336.907339] ? filemap_map_pages+0x1a20/0x1a20 [ 336.911941] ? zap_class+0x640/0x640 [ 336.915673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.921212] ? check_preemption_disabled+0x48/0x280 [ 336.926228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.931766] ? should_fail+0x22d/0xd01 [ 336.935660] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.940766] ? zap_class+0x640/0x640 [ 336.944523] ? __lock_is_held+0xb5/0x140 [ 336.948590] ? mark_held_locks+0x130/0x130 [ 336.952843] ? lock_release+0xa00/0xa00 [ 336.956827] ? perf_trace_sched_process_exec+0x860/0x860 [ 336.962292] ? xa_load+0x2ba/0x460 [ 336.965855] ? lock_downgrade+0x900/0x900 [ 336.970012] ? __might_sleep+0x95/0x190 [ 336.973993] __alloc_pages_nodemask+0xad8/0xea0 [ 336.978669] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 336.983691] ? __page_cache_alloc+0x191/0x5c0 [ 336.988185] ? xa_load+0x2e1/0x460 [ 336.991730] ? xa_clear_mark+0x40/0x40 [ 336.995630] ? zap_class+0x640/0x640 [ 336.999343] ? zap_class+0x640/0x640 [ 337.003063] ? zap_class+0x640/0x640 [ 337.006777] ? zap_class+0x640/0x640 [ 337.010524] ? __do_page_cache_readahead+0x663/0x810 [ 337.015629] ? find_held_lock+0x36/0x1c0 [ 337.019711] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 337.025254] alloc_pages_current+0x173/0x350 [ 337.029689] __page_cache_alloc+0x38c/0x5c0 [ 337.034025] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 337.038964] ? kasan_check_read+0x11/0x20 [ 337.043110] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.048388] ? generic_perform_write+0x6a0/0x6a0 [ 337.053148] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.058689] ? check_preemption_disabled+0x48/0x280 [ 337.063712] filemap_fault+0x1595/0x25f0 [ 337.067832] ? __lock_page_or_retry+0xa00/0xa00 [ 337.072528] ? mark_held_locks+0x130/0x130 [ 337.076802] ? filemap_map_pages+0xd6b/0x1a20 [ 337.081300] ? lock_downgrade+0x900/0x900 [ 337.085446] ? check_preemption_disabled+0x48/0x280 [ 337.090482] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 337.095411] ? kasan_check_read+0x11/0x20 [ 337.099561] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.104845] ? rcu_softirq_qs+0x20/0x20 [ 337.108839] ? filemap_map_pages+0xd92/0x1a20 [ 337.113353] ? queue_work_on+0x12c/0x1e0 [ 337.117442] ? find_get_entries_tag+0x1400/0x1400 [ 337.123246] ? debug_object_destroy+0x2b0/0x2b0 [ 337.127929] ? lock_pi_update_atomic+0x150/0x150 [ 337.132709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.138262] ? lock_acquire+0x1ed/0x520 [ 337.142235] ? ext4_filemap_fault+0x7a/0xad [ 337.146560] ? lock_release+0xa00/0xa00 [ 337.150551] ? perf_trace_sched_process_exec+0x860/0x860 [ 337.156042] ? print_usage_bug+0xc0/0xc0 [ 337.160102] ? print_usage_bug+0xc0/0xc0 [ 337.164173] ? down_read+0x8d/0x120 [ 337.167803] ? ext4_filemap_fault+0x7a/0xad [ 337.172139] ? __down_interruptible+0x700/0x700 [ 337.176847] ext4_filemap_fault+0x82/0xad [ 337.180998] __do_fault+0x100/0x6b0 [ 337.184639] ? perf_tp_event+0xc20/0xc20 [ 337.188704] ? pmd_devmap_trans_unstable+0x220/0x220 [ 337.193814] ? mark_held_locks+0x130/0x130 [ 337.198050] ? mark_held_locks+0x130/0x130 [ 337.202290] ? debug_smp_processor_id+0x1c/0x20 [ 337.206964] ? perf_trace_lock+0x14d/0x7a0 [ 337.211206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.216749] __handle_mm_fault+0x3ea0/0x5be0 [ 337.221171] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 337.226016] ? lock_is_held_type+0x210/0x210 [ 337.230450] ? __switch_to_asm+0x34/0x70 [ 337.234512] ? __switch_to_asm+0x34/0x70 [ 337.238595] ? zap_class+0x640/0x640 [ 337.242354] ? zap_class+0x640/0x640 [ 337.246095] ? __x64_sys_futex+0x53e/0x6a0 [ 337.250349] ? find_held_lock+0x36/0x1c0 [ 337.254432] ? handle_mm_fault+0x42a/0xc70 [ 337.258693] ? lock_downgrade+0x900/0x900 [ 337.262841] ? check_preemption_disabled+0x48/0x280 [ 337.267860] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 337.272825] ? kasan_check_read+0x11/0x20 [ 337.276978] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.282258] ? rcu_softirq_qs+0x20/0x20 [ 337.286233] ? trace_hardirqs_off_caller+0x310/0x310 [ 337.291338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.296874] ? check_preemption_disabled+0x48/0x280 [ 337.301901] handle_mm_fault+0x54f/0xc70 [ 337.306030] ? __handle_mm_fault+0x5be0/0x5be0 [ 337.310616] ? find_vma+0x34/0x190 [ 337.314163] __do_page_fault+0x5e8/0xe60 [ 337.318229] ? trace_hardirqs_off+0xb8/0x310 [ 337.322649] do_page_fault+0xf2/0x7e0 [ 337.326449] ? vmalloc_sync_all+0x30/0x30 [ 337.330603] ? error_entry+0x70/0xd0 [ 337.334323] ? trace_hardirqs_off_caller+0xbb/0x310 [ 337.339340] ? trace_hardirqs_on_caller+0xc0/0x310 [ 337.344271] ? syscall_return_slowpath+0x5e0/0x5e0 [ 337.349202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.354045] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.359074] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 337.364537] ? prepare_exit_to_usermode+0x291/0x3b0 [ 337.369553] ? page_fault+0x8/0x30 [ 337.373110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.377980] ? page_fault+0x8/0x30 [ 337.381521] page_fault+0x1e/0x30 [ 337.384979] RIP: 0033:0x45ddf3 [ 337.388197] Code: Bad RIP value. [ 337.391557] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 337.396915] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 337.404204] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 337.411468] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 337.418734] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 337.426004] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 337.433294] warn_alloc_show_mem: 1 callbacks suppressed [ 337.433306] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 337.433308] Mem-Info: [ 337.433337] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 337.433337] active_file:10 inactive_file:13 isolated_file:0 [ 337.433337] unevictable:0 dirty:0 writeback:0 unstable:0 [ 337.433337] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 337.433337] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 337.433337] free:13776 free_pcp:523 free_cma:0 [ 337.438954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 337.445999] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 337.448407] Call Trace: [ 337.481454] 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 [ 337.490817] [ 337.518474] lowmem_reserve[]: 0 2818 6321 6321 [ 337.521100] dump_stack+0x244/0x39d [ 337.547196] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 337.549359] ? dump_stack_print_info.cold.1+0x20/0x20 [ 337.553909] lowmem_reserve[]: 0 0 3503 3503 [ 337.557549] warn_alloc.cold.116+0xb7/0x1bd [ 337.584841] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 337.590027] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 337.594339] lowmem_reserve[]: 0 0 0 0 [ 337.598659] ? lock_downgrade+0x900/0x900 [ 337.628158] 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 [ 337.633006] ? trace_hardirqs_off+0xb8/0x310 [ 337.636776] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 337.640930] ? trace_hardirqs_off+0xb8/0x310 [ 337.654428] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 337.658838] __alloc_pages_slowpath+0x2651/0x2de0 [ 337.673901] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 337.678318] ? warn_alloc+0x120/0x120 [ 337.692683] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 337.697525] ? print_usage_bug+0xc0/0xc0 [ 337.706335] 1516 total pagecache pages [ 337.710139] ? warn_alloc+0x120/0x120 [ 337.718713] 0 pages in swap cache [ 337.722781] ? warn_alloc+0x120/0x120 [ 337.726650] Swap cache stats: add 0, delete 0, find 0/0 [ 337.730444] ? print_usage_bug+0xc0/0xc0 [ 337.733870] Free swap = 0kB [ 337.737663] ? kvm_clock_read+0x18/0x30 [ 337.743003] Total swap = 0kB [ 337.747057] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 337.750090] 1965979 pages RAM [ 337.754057] ? print_usage_bug+0xc0/0xc0 [ 337.757054] 0 pages HighMem/MovableOnly [ 337.762061] ? __lock_acquire+0x62f/0x4c20 [ 337.765154] 342854 pages reserved [ 337.769207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.773158] 0 pages cma reserved [ 337.777385] ? should_fail+0x22d/0xd01 [ 337.780868] aoe: skb alloc failure [ 337.786331] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.786349] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.789753] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 337.793585] ? __lock_acquire+0x62f/0x4c20 [ 337.797211] syz-fuzzer cpuset=/ mems_allowed=0 [ 337.802480] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.831674] ? __lock_acquire+0x62f/0x4c20 [ 337.835906] ? should_fail+0x22d/0xd01 [ 337.839804] ? rcu_irq_exit+0x1a2/0x390 [ 337.843794] ? mark_held_locks+0x130/0x130 [ 337.848036] ? mark_held_locks+0x130/0x130 [ 337.852276] ? mark_held_locks+0xc7/0x130 [ 337.856424] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 337.861448] ? zap_class+0x640/0x640 [ 337.865168] ? print_usage_bug+0xc0/0xc0 [ 337.869233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.874793] ? check_preemption_disabled+0x48/0x280 [ 337.879828] ? __lock_is_held+0xb5/0x140 [ 337.883908] __alloc_pages_nodemask+0xad8/0xea0 [ 337.888612] ? zap_class+0x640/0x640 [ 337.892343] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 337.897377] ? find_held_lock+0x36/0x1c0 [ 337.901495] ? ____cache_alloc_node+0x1c7/0x1e0 [ 337.906196] ? lock_downgrade+0x900/0x900 [ 337.910351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.915935] cache_grow_begin+0xa5/0x8c0 [ 337.920001] ? do_raw_spin_unlock+0xa7/0x330 [ 337.924419] fallback_alloc+0x204/0x2e0 [ 337.928408] ____cache_alloc_node+0x1c7/0x1e0 [ 337.932934] kmem_cache_alloc_node+0xe3/0x730 [ 337.937431] ? ipv6_get_ifaddr+0x42e/0x620 [ 337.941681] __alloc_skb+0x119/0x770 [ 337.945394] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.950673] ? netdev_alloc_frag+0x1f0/0x1f0 [ 337.955083] ? lock_downgrade+0x900/0x900 [ 337.959242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.964778] ? refcount_sub_and_test_checked+0x203/0x310 [ 337.970235] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 337.975717] ? addrconf_rs_timer+0x690/0x690 [ 337.980144] ndisc_alloc_skb+0x144/0x340 [ 337.984215] ndisc_send_rs+0x331/0x6e0 [ 337.988111] addrconf_rs_timer+0x314/0x690 [ 337.992360] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.996608] call_timer_fn+0x272/0x920 [ 338.000502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.004742] ? process_timeout+0x40/0x40 [ 338.008813] ? mark_held_locks+0xc7/0x130 [ 338.012976] ? _raw_spin_unlock_irq+0x27/0x80 [ 338.017470] ? _raw_spin_unlock_irq+0x27/0x80 [ 338.021963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.026196] ? lockdep_hardirqs_on+0x296/0x5b0 [ 338.030785] ? trace_hardirqs_on+0xbd/0x310 [ 338.035105] ? kasan_check_read+0x11/0x20 [ 338.039249] ? __run_timers+0x7da/0xc70 [ 338.043224] ? trace_hardirqs_off_caller+0x310/0x310 [ 338.048333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.052575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.056821] __run_timers+0x7e5/0xc70 [ 338.060641] ? timer_fixup_init+0x70/0x70 [ 338.064790] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 338.069806] ? zap_class+0x640/0x640 [ 338.073528] ? print_usage_bug+0xc0/0xc0 [ 338.077591] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 338.082788] ? find_held_lock+0x36/0x1c0 [ 338.086856] ? zap_class+0x640/0x640 [ 338.090579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.096118] ? check_preemption_disabled+0x48/0x280 [ 338.101152] ? __lock_is_held+0xb5/0x140 [ 338.105215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.110753] ? check_preemption_disabled+0x48/0x280 [ 338.115774] run_timer_softirq+0x52/0xb0 [ 338.119837] ? rcu_read_lock_sched_held+0x14f/0x180 [ 338.124853] __do_softirq+0x308/0xb7e [ 338.128660] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 338.133175] ? lock_downgrade+0x900/0x900 [ 338.137328] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 338.142445] ? pvclock_read_flags+0x160/0x160 [ 338.146949] ? lapic_next_event+0x5a/0x90 [ 338.151099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.156644] ? kvm_clock_read+0x18/0x30 [ 338.160617] ? kvm_sched_clock_read+0x9/0x20 [ 338.165034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.170604] ? check_preemption_disabled+0x48/0x280 [ 338.175628] irq_exit+0x17f/0x1c0 [ 338.179085] smp_apic_timer_interrupt+0x1cb/0x760 [ 338.183935] ? smp_reschedule_interrupt+0x109/0x650 [ 338.188958] ? smp_call_function_single_interrupt+0x650/0x650 [ 338.194840] ? interrupt_entry+0xb5/0xc0 [ 338.198907] ? trace_hardirqs_off_caller+0xbb/0x310 [ 338.203938] ? trace_hardirqs_off_caller+0xbb/0x310 [ 338.208973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.213814] ? trace_hardirqs_on_caller+0x310/0x310 [ 338.218824] ? trace_hardirqs_on_caller+0x310/0x310 [ 338.223851] ? task_prio+0x50/0x50 [ 338.227407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.232959] ? check_preemption_disabled+0x48/0x280 [ 338.237984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.242833] apic_timer_interrupt+0xf/0x20 [ 338.247063] [ 338.249300] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 338.254246] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 338.273145] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 338.280851] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 338.288116] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 338.295383] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 338.302646] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 338.309911] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 338.317219] rcu_read_lock_held+0xa9/0xc0 [ 338.321719] list_lru_count_one+0x31a/0x450 [ 338.326047] ? list_lru_isolate_move+0x3c0/0x3c0 [ 338.330810] ? deferred_split_count+0x65/0x170 [ 338.335391] ? shrink_huge_zero_page_count+0xc8/0x100 [ 338.340588] super_cache_count+0x153/0x2e0 [ 338.344834] do_shrink_slab+0x1b1/0xd30 [ 338.348814] ? lock_acquire+0x1ed/0x520 [ 338.352790] ? snapshot_refaults+0x290/0x290 [ 338.357202] ? lock_release+0xa00/0xa00 [ 338.361185] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 338.366126] ? down_read_trylock+0xda/0x140 [ 338.370450] ? shrink_slab+0x207/0x8c0 [ 338.374340] ? downgrade_write+0x270/0x270 [ 338.378583] shrink_slab+0x389/0x8c0 [ 338.382297] ? shrink_active_list+0x1f00/0x1f00 [ 338.386991] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 338.392618] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 338.397735] ? cgroup_procs_write_finish+0xf0/0xf0 [ 338.402679] ? find_held_lock+0x36/0x1c0 [ 338.406750] shrink_node+0x431/0x16b0 [ 338.410564] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 338.415894] ? shrink_node_memcg+0x18f0/0x18f0 [ 338.420490] ? kvm_clock_read+0x18/0x30 [ 338.424470] ? ktime_get+0x2c1/0x400 [ 338.428194] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 338.432693] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 338.438236] ? __cpuset_node_allowed+0x19b/0x660 [ 338.443000] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 338.448730] ? delayacct_end+0x5a/0x100 [ 338.452721] do_try_to_free_pages+0x3e7/0x1290 [ 338.457301] ? zap_class+0x640/0x640 [ 338.461043] ? shrink_node+0x16b0/0x16b0 [ 338.465107] ? __lock_is_held+0xb5/0x140 [ 338.469181] try_to_free_pages+0x4d0/0xb90 [ 338.473420] ? do_try_to_free_pages+0x1290/0x1290 [ 338.478280] ? lock_acquire+0x1ed/0x520 [ 338.482257] ? set_page_refcounted+0x280/0x280 [ 338.486846] ? lock_release+0xa00/0xa00 [ 338.490830] ? _raw_spin_unlock_irq+0x60/0x80 [ 338.495330] ? psi_memstall_enter+0x240/0x2b0 [ 338.499825] ? psi_memstall_tick+0x230/0x230 [ 338.504271] __alloc_pages_slowpath+0xa48/0x2de0 [ 338.509056] ? warn_alloc+0x120/0x120 [ 338.512857] ? mark_held_locks+0x130/0x130 [ 338.517101] ? find_get_entry+0xaae/0x1120 [ 338.521348] ? filemap_map_pages+0x1a20/0x1a20 [ 338.525945] ? zap_class+0x640/0x640 [ 338.529668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.535224] ? check_preemption_disabled+0x48/0x280 [ 338.540242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.545787] ? should_fail+0x22d/0xd01 [ 338.549678] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.554785] ? zap_class+0x640/0x640 [ 338.558524] ? __lock_is_held+0xb5/0x140 [ 338.562592] ? mark_held_locks+0x130/0x130 [ 338.566829] ? lock_release+0xa00/0xa00 [ 338.570803] ? perf_trace_sched_process_exec+0x860/0x860 [ 338.576265] ? xa_load+0x2ba/0x460 [ 338.579807] ? lock_downgrade+0x900/0x900 [ 338.583979] ? __might_sleep+0x95/0x190 [ 338.587967] __alloc_pages_nodemask+0xad8/0xea0 [ 338.592644] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 338.597664] ? __page_cache_alloc+0x191/0x5c0 [ 338.602157] ? xa_load+0x2e1/0x460 [ 338.605697] ? xa_clear_mark+0x40/0x40 [ 338.609585] ? zap_class+0x640/0x640 [ 338.613304] ? zap_class+0x640/0x640 [ 338.617018] ? zap_class+0x640/0x640 [ 338.620748] ? __do_page_cache_readahead+0x663/0x810 [ 338.625856] ? find_held_lock+0x36/0x1c0 [ 338.629935] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 338.635485] alloc_pages_current+0x173/0x350 [ 338.639898] __page_cache_alloc+0x38c/0x5c0 [ 338.644225] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 338.649153] ? kasan_check_read+0x11/0x20 [ 338.653303] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 338.658581] ? generic_perform_write+0x6a0/0x6a0 [ 338.663337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.668878] ? check_preemption_disabled+0x48/0x280 [ 338.673989] filemap_fault+0x1595/0x25f0 [ 338.678063] ? __lock_page_or_retry+0xa00/0xa00 [ 338.682736] ? mark_held_locks+0x130/0x130 [ 338.686981] ? filemap_map_pages+0xd6b/0x1a20 [ 338.691478] ? lock_downgrade+0x900/0x900 [ 338.695625] ? check_preemption_disabled+0x48/0x280 [ 338.700643] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 338.705571] ? kasan_check_read+0x11/0x20 [ 338.709727] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 338.715017] ? rcu_softirq_qs+0x20/0x20 [ 338.719005] ? filemap_map_pages+0xd92/0x1a20 [ 338.723509] ? print_usage_bug+0xc0/0xc0 [ 338.727580] ? find_get_entries_tag+0x1400/0x1400 [ 338.732428] ? __kasan_slab_free+0x102/0x150 [ 338.736841] ? kasan_slab_free+0xe/0x10 [ 338.741350] ? kmem_cache_free+0x83/0x290 [ 338.745503] ? __sigqueue_free.part.29+0x74/0x90 [ 338.750288] ? lock_acquire+0x1ed/0x520 [ 338.754261] ? ext4_filemap_fault+0x7a/0xad [ 338.758589] ? lock_release+0xa00/0xa00 [ 338.762566] ? perf_trace_sched_process_exec+0x860/0x860 [ 338.768016] ? print_usage_bug+0xc0/0xc0 [ 338.772078] ? print_usage_bug+0xc0/0xc0 [ 338.776149] ? down_read+0x8d/0x120 [ 338.779778] ? ext4_filemap_fault+0x7a/0xad [ 338.784100] ? __down_interruptible+0x700/0x700 [ 338.788790] ext4_filemap_fault+0x82/0xad [ 338.792957] __do_fault+0x100/0x6b0 [ 338.796589] ? pmd_devmap_trans_unstable+0x220/0x220 [ 338.801699] ? mark_held_locks+0x130/0x130 [ 338.805944] ? mark_held_locks+0x130/0x130 [ 338.810183] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 338.815727] ? rcu_pm_notify+0xc0/0xc0 [ 338.819621] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.825162] __handle_mm_fault+0x3ea0/0x5be0 [ 338.829583] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 338.834453] ? _raw_spin_unlock_irq+0x27/0x80 [ 338.838954] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 338.843540] ? trace_hardirqs_on+0xbd/0x310 [ 338.847863] ? kasan_check_read+0x11/0x20 [ 338.852012] ? __set_current_blocked+0xdf/0x120 [ 338.856685] ? trace_hardirqs_off_caller+0x310/0x310 [ 338.861800] ? zap_class+0x640/0x640 [ 338.865515] ? zap_class+0x640/0x640 [ 338.869234] ? find_held_lock+0x36/0x1c0 [ 338.873320] ? handle_mm_fault+0x42a/0xc70 [ 338.877570] ? lock_downgrade+0x900/0x900 [ 338.881724] ? check_preemption_disabled+0x48/0x280 [ 338.886756] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 338.891727] ? kasan_check_read+0x11/0x20 [ 338.895885] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 338.901157] ? rcu_softirq_qs+0x20/0x20 [ 338.905132] ? trace_hardirqs_off_caller+0x310/0x310 [ 338.910239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.915791] ? check_preemption_disabled+0x48/0x280 [ 338.920827] handle_mm_fault+0x54f/0xc70 [ 338.924896] ? __handle_mm_fault+0x5be0/0x5be0 [ 338.929490] ? find_vma+0x34/0x190 [ 338.933039] __do_page_fault+0x5e8/0xe60 [ 338.937101] ? exit_to_usermode_loop+0x1f4/0x380 [ 338.941868] do_page_fault+0xf2/0x7e0 [ 338.945672] ? vmalloc_sync_all+0x30/0x30 [ 338.949826] ? error_entry+0x70/0xd0 [ 338.953583] ? trace_hardirqs_off_caller+0xbb/0x310 [ 338.958595] ? trace_hardirqs_on_caller+0xc0/0x310 [ 338.963523] ? syscall_return_slowpath+0x5e0/0x5e0 [ 338.968457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.973302] ? trace_hardirqs_on_caller+0x310/0x310 [ 338.978318] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 338.983812] ? prepare_exit_to_usermode+0x291/0x3b0 [ 338.988844] ? page_fault+0x8/0x30 [ 338.992394] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.997238] ? page_fault+0x8/0x30 [ 339.000783] page_fault+0x1e/0x30 [ 339.004235] RIP: 0033:0x45db60 [ 339.007443] Code: Bad RIP value. [ 339.010806] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 339.016171] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 339.023444] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 339.030714] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 339.037982] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 339.045250] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 339.052546] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 339.052613] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 339.059564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.059570] Call Trace: [ 339.059576] [ 339.059604] dump_stack+0x244/0x39d [ 339.059624] ? dump_stack_print_info.cold.1+0x20/0x20 [ 339.066160] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 339.075463] warn_alloc.cold.116+0xb7/0x1bd [ 339.078023] syz-fuzzer cpuset=/ mems_allowed=0 [ 339.080168] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 339.112885] ? lock_downgrade+0x900/0x900 [ 339.117058] ? trace_hardirqs_off+0xb8/0x310 [ 339.121492] ? trace_hardirqs_off+0xb8/0x310 [ 339.125914] __alloc_pages_slowpath+0x2651/0x2de0 [ 339.130812] ? warn_alloc+0x120/0x120 [ 339.134620] ? warn_alloc+0x120/0x120 [ 339.138439] ? warn_alloc+0x120/0x120 [ 339.142242] ? print_usage_bug+0xc0/0xc0 [ 339.146307] ? print_usage_bug+0xc0/0xc0 [ 339.150378] ? ktime_get+0x2c1/0x400 [ 339.154100] ? check_preemption_disabled+0x48/0x280 [ 339.159116] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 339.163629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.169162] ? should_fail+0x22d/0xd01 [ 339.173052] ? kasan_check_read+0x11/0x20 [ 339.177212] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.182325] ? __lock_acquire+0x62f/0x4c20 [ 339.186577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.191696] ? should_fail+0x22d/0xd01 [ 339.195600] ? print_usage_bug+0xc0/0xc0 [ 339.199670] ? mark_held_locks+0x130/0x130 [ 339.203916] ? mark_held_locks+0x130/0x130 [ 339.208159] ? check_preemption_disabled+0x48/0x280 [ 339.213182] ? zap_class+0x640/0x640 [ 339.216898] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 339.221670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.227210] ? check_preemption_disabled+0x48/0x280 [ 339.232237] ? __lock_is_held+0xb5/0x140 [ 339.236308] __alloc_pages_nodemask+0xad8/0xea0 [ 339.240979] ? zap_class+0x640/0x640 [ 339.244697] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 339.249736] ? find_held_lock+0x36/0x1c0 [ 339.253808] ? ____cache_alloc_node+0x1c7/0x1e0 [ 339.258476] ? lock_downgrade+0x900/0x900 [ 339.262628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.268174] cache_grow_begin+0xa5/0x8c0 [ 339.272256] ? do_raw_spin_unlock+0xa7/0x330 [ 339.276681] fallback_alloc+0x204/0x2e0 [ 339.280659] ____cache_alloc_node+0x1c7/0x1e0 [ 339.285177] kmem_cache_alloc_node+0xe3/0x730 [ 339.289708] ? lockdep_hardirqs_on+0x296/0x5b0 [ 339.294315] __alloc_skb+0x119/0x770 [ 339.298027] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 339.303396] ? netdev_alloc_frag+0x1f0/0x1f0 [ 339.307823] ? vprintk_default+0x28/0x30 [ 339.311886] ? vprintk_func+0x85/0x181 [ 339.315774] ? printk+0xa7/0xcf [ 339.319053] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 339.323811] ? do_raw_spin_trylock+0x270/0x270 [ 339.328410] new_skb+0x26/0x1c0 [ 339.331690] aoecmd_cfg+0x279/0x7f0 [ 339.335345] ? find_held_lock+0x36/0x1c0 [ 339.339410] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 339.343735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.349283] ? __lock_is_held+0xb5/0x140 [ 339.353371] discover_timer+0x50/0x60 [ 339.357171] call_timer_fn+0x272/0x920 [ 339.361059] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 339.365962] ? process_timeout+0x40/0x40 [ 339.370037] ? mark_held_locks+0xc7/0x130 [ 339.374192] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.378730] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.383340] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 339.388182] ? lockdep_hardirqs_on+0x296/0x5b0 [ 339.392764] ? trace_hardirqs_on+0xbd/0x310 [ 339.397082] ? kasan_check_read+0x11/0x20 [ 339.401232] ? __run_timers+0x7da/0xc70 [ 339.405207] ? trace_hardirqs_off_caller+0x310/0x310 [ 339.410325] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 339.415176] __run_timers+0x7e5/0xc70 [ 339.419000] ? timer_fixup_init+0x70/0x70 [ 339.423156] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 339.428173] ? zap_class+0x640/0x640 [ 339.431893] ? print_usage_bug+0xc0/0xc0 [ 339.435966] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 339.441171] ? find_held_lock+0x36/0x1c0 [ 339.445240] ? zap_class+0x640/0x640 [ 339.448969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.454509] ? check_preemption_disabled+0x48/0x280 [ 339.459552] ? __lock_is_held+0xb5/0x140 [ 339.463618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.469158] ? check_preemption_disabled+0x48/0x280 [ 339.474183] run_timer_softirq+0x52/0xb0 [ 339.478245] ? rcu_read_lock_sched_held+0x14f/0x180 [ 339.483276] __do_softirq+0x308/0xb7e [ 339.487097] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 339.491619] ? lock_downgrade+0x900/0x900 [ 339.495774] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 339.500885] ? pvclock_read_flags+0x160/0x160 [ 339.505384] ? lapic_next_event+0x5a/0x90 [ 339.509533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.515076] ? kvm_clock_read+0x18/0x30 [ 339.519054] ? kvm_sched_clock_read+0x9/0x20 [ 339.523468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.529021] ? check_preemption_disabled+0x48/0x280 [ 339.534046] irq_exit+0x17f/0x1c0 [ 339.537500] smp_apic_timer_interrupt+0x1cb/0x760 [ 339.542341] ? smp_reschedule_interrupt+0x109/0x650 [ 339.547358] ? smp_call_function_single_interrupt+0x650/0x650 [ 339.553247] ? interrupt_entry+0xb5/0xc0 [ 339.557344] ? trace_hardirqs_off_caller+0xbb/0x310 [ 339.562358] ? trace_hardirqs_off_caller+0xbb/0x310 [ 339.567383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.572226] ? trace_hardirqs_on_caller+0x310/0x310 [ 339.577240] ? trace_hardirqs_on_caller+0x310/0x310 [ 339.582257] ? task_prio+0x50/0x50 [ 339.585799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.591338] ? check_preemption_disabled+0x48/0x280 [ 339.596359] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.601207] apic_timer_interrupt+0xf/0x20 [ 339.605964] [ 339.608214] RIP: 0010:console_unlock+0x102f/0x1190 [ 339.613146] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 339.632063] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 339.639789] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 339.647053] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 339.654324] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 339.661612] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 339.668877] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 339.676153] ? netconsole_netdev_event+0x280/0x280 [ 339.681088] ? console_unlock+0x1026/0x1190 [ 339.685445] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 339.690120] ? lock_release+0xa00/0xa00 [ 339.694098] ? retint_kernel+0x2d/0x2d [ 339.697998] vprintk_emit+0x391/0x990 [ 339.701801] ? wake_up_klogd+0x180/0x180 [ 339.705867] ? match_held_lock+0x811/0x8d0 [ 339.710115] ? mark_held_locks+0xc7/0x130 [ 339.714269] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.718761] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.723263] vprintk_default+0x28/0x30 [ 339.727156] vprintk_func+0x7e/0x181 [ 339.730871] printk+0xa7/0xcf [ 339.733992] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 339.738774] ? _raw_spin_unlock_irq+0x60/0x80 [ 339.743279] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 339.748578] dump_header+0x7cc/0xf72 [ 339.752306] ? pagefault_out_of_memory+0x197/0x197 [ 339.757242] ? __lock_acquire+0x62f/0x4c20 [ 339.761486] ? percpu_ref_get_many+0x240/0x240 [ 339.766068] ? print_usage_bug+0xc0/0xc0 [ 339.770135] ? zap_class+0x640/0x640 [ 339.773852] ? print_usage_bug+0xc0/0xc0 [ 339.777911] ? zap_class+0x640/0x640 [ 339.781641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.787181] ? find_held_lock+0x36/0x1c0 [ 339.791254] ? mark_held_locks+0xc7/0x130 [ 339.795405] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 339.800508] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 339.805639] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 339.810234] ? trace_hardirqs_on+0xbd/0x310 [ 339.814566] ? kasan_check_read+0x11/0x20 [ 339.818713] ? ___ratelimit+0x3b4/0x672 [ 339.822686] ? trace_hardirqs_off_caller+0x310/0x310 [ 339.827792] ? trace_hardirqs_on+0x310/0x310 [ 339.832215] ? lock_downgrade+0x900/0x900 [ 339.836370] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 339.841475] ? ___ratelimit+0x3b9/0x672 [ 339.845487] ? idr_get_free+0xf70/0xf70 [ 339.849492] ? find_held_lock+0x36/0x1c0 [ 339.853588] oom_kill_process.cold.27+0x10/0x903 [ 339.858355] ? zap_class+0x640/0x640 [ 339.862084] ? check_preemption_disabled+0x48/0x280 [ 339.867103] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 339.872036] ? kasan_check_read+0x11/0x20 [ 339.876198] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 339.881479] ? oom_evaluate_task+0x540/0x540 [ 339.885908] ? find_held_lock+0x36/0x1c0 [ 339.890008] ? out_of_memory+0x974/0x1430 [ 339.894171] ? lock_downgrade+0x900/0x900 [ 339.898319] ? check_preemption_disabled+0x48/0x280 [ 339.903354] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 339.908286] ? kasan_check_read+0x11/0x20 [ 339.912446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 339.917721] ? rcu_softirq_qs+0x20/0x20 [ 339.921720] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 339.927269] ? oom_evaluate_task+0x302/0x540 [ 339.931682] out_of_memory+0xa84/0x1430 [ 339.935679] ? oom_killer_disable+0x3a0/0x3a0 [ 339.940178] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 339.945111] ? __ww_mutex_check_waiters+0x160/0x160 [ 339.950137] __alloc_pages_slowpath+0x232c/0x2de0 [ 339.955006] ? warn_alloc+0x120/0x120 [ 339.958821] ? mark_held_locks+0x130/0x130 [ 339.963060] ? find_get_entry+0xaae/0x1120 [ 339.967322] ? filemap_map_pages+0x1a20/0x1a20 [ 339.971915] ? zap_class+0x640/0x640 [ 339.975663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.981202] ? check_preemption_disabled+0x48/0x280 [ 339.986221] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.991760] ? should_fail+0x22d/0xd01 [ 339.995682] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.000881] ? zap_class+0x640/0x640 [ 340.004623] ? __lock_is_held+0xb5/0x140 [ 340.008691] ? mark_held_locks+0x130/0x130 [ 340.012945] ? lock_release+0xa00/0xa00 [ 340.016929] ? perf_trace_sched_process_exec+0x860/0x860 [ 340.022382] ? xa_load+0x2ba/0x460 [ 340.025929] ? lock_downgrade+0x900/0x900 [ 340.030088] ? __might_sleep+0x95/0x190 [ 340.034074] __alloc_pages_nodemask+0xad8/0xea0 [ 340.038776] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 340.043795] ? __page_cache_alloc+0x191/0x5c0 [ 340.048289] ? xa_load+0x2e1/0x460 [ 340.051842] ? xa_clear_mark+0x40/0x40 [ 340.055735] ? zap_class+0x640/0x640 [ 340.059449] ? zap_class+0x640/0x640 [ 340.063199] ? zap_class+0x640/0x640 [ 340.066915] ? zap_class+0x640/0x640 [ 340.070641] ? __do_page_cache_readahead+0x663/0x810 [ 340.075750] ? find_held_lock+0x36/0x1c0 [ 340.079821] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 340.085365] alloc_pages_current+0x173/0x350 [ 340.089782] __page_cache_alloc+0x38c/0x5c0 [ 340.094104] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 340.099035] ? kasan_check_read+0x11/0x20 [ 340.103187] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 340.108463] ? generic_perform_write+0x6a0/0x6a0 [ 340.113222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.118775] ? check_preemption_disabled+0x48/0x280 [ 340.123799] filemap_fault+0x1595/0x25f0 [ 340.127876] ? __lock_page_or_retry+0xa00/0xa00 [ 340.132558] ? mark_held_locks+0x130/0x130 [ 340.136815] ? filemap_map_pages+0xd6b/0x1a20 [ 340.141342] ? lock_downgrade+0x900/0x900 [ 340.145486] ? check_preemption_disabled+0x48/0x280 [ 340.150503] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 340.155443] ? kasan_check_read+0x11/0x20 [ 340.159590] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 340.164880] ? rcu_softirq_qs+0x20/0x20 [ 340.168864] ? filemap_map_pages+0xd92/0x1a20 [ 340.173361] ? queue_work_on+0x12c/0x1e0 [ 340.177429] ? find_get_entries_tag+0x1400/0x1400 [ 340.182305] ? debug_object_destroy+0x2b0/0x2b0 [ 340.187006] ? lock_pi_update_atomic+0x150/0x150 [ 340.191782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.197327] ? lock_acquire+0x1ed/0x520 [ 340.201314] ? ext4_filemap_fault+0x7a/0xad [ 340.205640] ? lock_release+0xa00/0xa00 [ 340.209615] ? perf_trace_sched_process_exec+0x860/0x860 [ 340.215080] ? print_usage_bug+0xc0/0xc0 [ 340.219150] ? print_usage_bug+0xc0/0xc0 [ 340.223219] ? down_read+0x8d/0x120 [ 340.226845] ? ext4_filemap_fault+0x7a/0xad [ 340.231166] ? __down_interruptible+0x700/0x700 [ 340.235845] ext4_filemap_fault+0x82/0xad [ 340.239999] __do_fault+0x100/0x6b0 [ 340.243626] ? perf_tp_event+0xc20/0xc20 [ 340.247692] ? pmd_devmap_trans_unstable+0x220/0x220 [ 340.252796] ? mark_held_locks+0x130/0x130 [ 340.257033] ? mark_held_locks+0x130/0x130 [ 340.261275] ? debug_smp_processor_id+0x1c/0x20 [ 340.265957] ? perf_trace_lock+0x14d/0x7a0 [ 340.270201] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.275743] __handle_mm_fault+0x3ea0/0x5be0 [ 340.280159] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 340.285009] ? lock_is_held_type+0x210/0x210 [ 340.289420] ? __switch_to_asm+0x34/0x70 [ 340.293495] ? __switch_to_asm+0x34/0x70 [ 340.297566] ? zap_class+0x640/0x640 [ 340.301291] ? zap_class+0x640/0x640 [ 340.305016] ? __x64_sys_futex+0x53e/0x6a0 [ 340.309256] ? find_held_lock+0x36/0x1c0 [ 340.313326] ? handle_mm_fault+0x42a/0xc70 [ 340.317564] ? lock_downgrade+0x900/0x900 [ 340.321714] ? check_preemption_disabled+0x48/0x280 [ 340.326736] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 340.331662] ? kasan_check_read+0x11/0x20 [ 340.335833] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 340.341131] ? rcu_softirq_qs+0x20/0x20 [ 340.345105] ? trace_hardirqs_off_caller+0x310/0x310 [ 340.350224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.355762] ? check_preemption_disabled+0x48/0x280 [ 340.360797] handle_mm_fault+0x54f/0xc70 [ 340.364863] ? __handle_mm_fault+0x5be0/0x5be0 [ 340.369449] ? find_vma+0x34/0x190 [ 340.372997] __do_page_fault+0x5e8/0xe60 [ 340.377061] ? trace_hardirqs_off+0xb8/0x310 [ 340.381481] do_page_fault+0xf2/0x7e0 [ 340.385283] ? vmalloc_sync_all+0x30/0x30 [ 340.389431] ? error_entry+0x70/0xd0 [ 340.393148] ? trace_hardirqs_off_caller+0xbb/0x310 [ 340.398163] ? trace_hardirqs_on_caller+0xc0/0x310 [ 340.403093] ? syscall_return_slowpath+0x5e0/0x5e0 [ 340.408021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 340.412863] ? trace_hardirqs_on_caller+0x310/0x310 [ 340.417878] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 340.423333] ? prepare_exit_to_usermode+0x291/0x3b0 [ 340.428364] ? page_fault+0x8/0x30 [ 340.431911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 340.436779] ? page_fault+0x8/0x30 [ 340.440319] page_fault+0x1e/0x30 [ 340.443767] RIP: 0033:0x45ddf3 [ 340.446986] Code: Bad RIP value. [ 340.450349] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 340.455712] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 340.462995] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 340.470260] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 340.477526] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 340.484803] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 340.492097] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 340.492102] warn_alloc_show_mem: 1 callbacks suppressed [ 340.492109] Mem-Info: [ 340.499144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 340.504515] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 340.504515] active_file:10 inactive_file:13 isolated_file:0 [ 340.504515] unevictable:0 dirty:0 writeback:0 unstable:0 [ 340.504515] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 340.504515] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 340.504515] free:13776 free_pcp:523 free_cma:0 [ 340.506888] Call Trace: [ 340.516275] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 340.549286] [ 340.549314] dump_stack+0x244/0x39d [ 340.551890] 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 [ 340.579557] ? dump_stack_print_info.cold.1+0x20/0x20 [ 340.581678] lowmem_reserve[]: 0 2818 6321 6321 [ 340.585348] warn_alloc.cold.116+0xb7/0x1bd [ 340.611424] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 340.616616] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 340.621170] lowmem_reserve[]: 0 0 3503 3503 [ 340.625490] ? lock_downgrade+0x900/0x900 [ 340.652791] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 340.657635] ? trace_hardirqs_off+0xb8/0x310 [ 340.661938] lowmem_reserve[]: 0 0 0 0 [ 340.666078] ? trace_hardirqs_off+0xb8/0x310 [ 340.695114] 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 [ 340.699526] __alloc_pages_slowpath+0x2651/0x2de0 [ 340.703296] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 340.707718] ? warn_alloc+0x120/0x120 [ 340.721192] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 340.726028] ? print_usage_bug+0xc0/0xc0 [ 340.741252] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 340.745044] ? warn_alloc+0x120/0x120 [ 340.759414] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 340.763465] ? warn_alloc+0x120/0x120 [ 340.772281] 1516 total pagecache pages [ 340.776077] ? print_usage_bug+0xc0/0xc0 [ 340.784635] 0 pages in swap cache [ 340.788424] ? print_usage_bug+0xc0/0xc0 [ 340.792301] Swap cache stats: add 0, delete 0, find 0/0 [ 340.796358] ? __lock_acquire+0x62f/0x4c20 [ 340.799785] Free swap = 0kB [ 340.803840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.809180] Total swap = 0kB [ 340.813412] ? should_fail+0x22d/0xd01 [ 340.816402] 1965979 pages RAM [ 340.821943] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.824957] 0 pages HighMem/MovableOnly [ 340.828838] ? __lock_acquire+0x62f/0x4c20 [ 340.831955] 342854 pages reserved [ 340.837056] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.841004] 0 pages cma reserved [ 340.845246] ? __lock_acquire+0x62f/0x4c20 [ 340.848751] aoe: skb alloc failure [ 340.853765] ? should_fail+0x22d/0xd01 [ 340.853781] ? find_held_lock+0x36/0x1c0 [ 340.857167] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 340.861356] ? mark_held_locks+0x130/0x130 [ 340.864867] syz-fuzzer cpuset=/ mems_allowed=0 [ 340.868746] ? mark_held_locks+0x130/0x130 [ 340.896012] ? zap_class+0x640/0x640 [ 340.899725] ? zap_class+0x640/0x640 [ 340.903461] ? print_usage_bug+0xc0/0xc0 [ 340.907519] ? do_raw_spin_unlock+0xa7/0x330 [ 340.911936] ? zap_class+0x640/0x640 [ 340.915651] ? print_usage_bug+0xc0/0xc0 [ 340.919736] ? wq_watchdog_touch+0x9c/0xfe [ 340.923994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.929553] ? check_preemption_disabled+0x48/0x280 [ 340.934579] ? __lock_is_held+0xb5/0x140 [ 340.938649] __alloc_pages_nodemask+0xad8/0xea0 [ 340.943321] ? zap_class+0x640/0x640 [ 340.947045] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 340.952074] ? find_held_lock+0x36/0x1c0 [ 340.956145] ? ____cache_alloc_node+0x1c7/0x1e0 [ 340.960817] ? lock_downgrade+0x900/0x900 [ 340.964974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.970575] cache_grow_begin+0xa5/0x8c0 [ 340.974636] ? do_raw_spin_unlock+0xa7/0x330 [ 340.979056] fallback_alloc+0x204/0x2e0 [ 340.983038] ____cache_alloc_node+0x1c7/0x1e0 [ 340.987543] kmem_cache_alloc_node+0xe3/0x730 [ 340.992044] ? ipv6_get_ifaddr+0x42e/0x620 [ 340.996294] __alloc_skb+0x119/0x770 [ 341.000008] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.005294] ? netdev_alloc_frag+0x1f0/0x1f0 [ 341.009720] ? lock_downgrade+0x900/0x900 [ 341.013876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.019416] ? refcount_sub_and_test_checked+0x203/0x310 [ 341.024873] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 341.030324] ? addrconf_rs_timer+0x690/0x690 [ 341.034744] ndisc_alloc_skb+0x144/0x340 [ 341.038813] ndisc_send_rs+0x331/0x6e0 [ 341.042709] addrconf_rs_timer+0x314/0x690 [ 341.046955] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.051230] call_timer_fn+0x272/0x920 [ 341.055134] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.059368] ? process_timeout+0x40/0x40 [ 341.063446] ? mark_held_locks+0xc7/0x130 [ 341.067612] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.072110] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.076604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.080838] ? lockdep_hardirqs_on+0x296/0x5b0 [ 341.085425] ? trace_hardirqs_on+0xbd/0x310 [ 341.089779] ? kasan_check_read+0x11/0x20 [ 341.093933] ? __run_timers+0x7da/0xc70 [ 341.097911] ? trace_hardirqs_off_caller+0x310/0x310 [ 341.103026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.107294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.111530] __run_timers+0x7e5/0xc70 [ 341.115372] ? timer_fixup_init+0x70/0x70 [ 341.119535] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 341.124552] ? zap_class+0x640/0x640 [ 341.128273] ? print_usage_bug+0xc0/0xc0 [ 341.132340] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 341.137539] ? find_held_lock+0x36/0x1c0 [ 341.141604] ? zap_class+0x640/0x640 [ 341.145324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.150864] ? check_preemption_disabled+0x48/0x280 [ 341.155890] ? __lock_is_held+0xb5/0x140 [ 341.159965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.165506] ? check_preemption_disabled+0x48/0x280 [ 341.170526] run_timer_softirq+0x52/0xb0 [ 341.174590] ? rcu_read_lock_sched_held+0x14f/0x180 [ 341.179606] __do_softirq+0x308/0xb7e [ 341.183444] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 341.187976] ? lock_downgrade+0x900/0x900 [ 341.192131] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 341.197241] ? pvclock_read_flags+0x160/0x160 [ 341.201739] ? lapic_next_event+0x5a/0x90 [ 341.205888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.211455] ? kvm_clock_read+0x18/0x30 [ 341.215431] ? kvm_sched_clock_read+0x9/0x20 [ 341.219856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.225423] ? check_preemption_disabled+0x48/0x280 [ 341.230504] irq_exit+0x17f/0x1c0 [ 341.233962] smp_apic_timer_interrupt+0x1cb/0x760 [ 341.238805] ? smp_reschedule_interrupt+0x109/0x650 [ 341.243840] ? smp_call_function_single_interrupt+0x650/0x650 [ 341.249748] ? interrupt_entry+0xb5/0xc0 [ 341.253810] ? trace_hardirqs_off_caller+0xbb/0x310 [ 341.258826] ? trace_hardirqs_off_caller+0xbb/0x310 [ 341.263851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.268710] ? trace_hardirqs_on_caller+0x310/0x310 [ 341.273724] ? trace_hardirqs_on_caller+0x310/0x310 [ 341.278736] ? task_prio+0x50/0x50 [ 341.282279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.287844] ? check_preemption_disabled+0x48/0x280 [ 341.292879] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.297738] apic_timer_interrupt+0xf/0x20 [ 341.301974] [ 341.304213] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 341.309146] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 341.328048] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 341.335755] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 341.343021] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 341.350286] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 341.357549] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 341.364814] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 341.372114] rcu_read_lock_held+0xa9/0xc0 [ 341.376263] list_lru_count_one+0x31a/0x450 [ 341.380589] ? list_lru_isolate_move+0x3c0/0x3c0 [ 341.385347] ? deferred_split_count+0x65/0x170 [ 341.389937] ? shrink_huge_zero_page_count+0xc8/0x100 [ 341.395144] super_cache_count+0x153/0x2e0 [ 341.399385] do_shrink_slab+0x1b1/0xd30 [ 341.403363] ? lock_acquire+0x1ed/0x520 [ 341.407370] ? snapshot_refaults+0x290/0x290 [ 341.411783] ? lock_release+0xa00/0xa00 [ 341.415776] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 341.420716] ? down_read_trylock+0xda/0x140 [ 341.425750] ? shrink_slab+0x207/0x8c0 [ 341.429665] ? downgrade_write+0x270/0x270 [ 341.433908] shrink_slab+0x389/0x8c0 [ 341.437634] ? shrink_active_list+0x1f00/0x1f00 [ 341.442315] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 341.447951] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 341.453077] ? cgroup_procs_write_finish+0xf0/0xf0 [ 341.458013] ? find_held_lock+0x36/0x1c0 [ 341.462083] shrink_node+0x431/0x16b0 [ 341.465885] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 341.471188] ? shrink_node_memcg+0x18f0/0x18f0 [ 341.475780] ? kvm_clock_read+0x18/0x30 [ 341.479769] ? ktime_get+0x2c1/0x400 [ 341.483520] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 341.488050] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 341.493598] ? __cpuset_node_allowed+0x19b/0x660 [ 341.498367] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 341.504082] ? delayacct_end+0x5a/0x100 [ 341.508091] do_try_to_free_pages+0x3e7/0x1290 [ 341.512672] ? zap_class+0x640/0x640 [ 341.516420] ? shrink_node+0x16b0/0x16b0 [ 341.520483] ? __lock_is_held+0xb5/0x140 [ 341.524556] try_to_free_pages+0x4d0/0xb90 [ 341.528792] ? do_try_to_free_pages+0x1290/0x1290 [ 341.533643] ? lock_acquire+0x1ed/0x520 [ 341.537631] ? set_page_refcounted+0x280/0x280 [ 341.542221] ? lock_release+0xa00/0xa00 [ 341.546200] ? _raw_spin_unlock_irq+0x60/0x80 [ 341.550697] ? psi_memstall_enter+0x240/0x2b0 [ 341.555192] ? psi_memstall_tick+0x230/0x230 [ 341.559615] __alloc_pages_slowpath+0xa48/0x2de0 [ 341.564401] ? warn_alloc+0x120/0x120 [ 341.568208] ? mark_held_locks+0x130/0x130 [ 341.572470] ? find_get_entry+0xaae/0x1120 [ 341.576725] ? filemap_map_pages+0x1a20/0x1a20 [ 341.581316] ? zap_class+0x640/0x640 [ 341.585142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.590730] ? check_preemption_disabled+0x48/0x280 [ 341.595745] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.601296] ? should_fail+0x22d/0xd01 [ 341.605365] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.610477] ? zap_class+0x640/0x640 [ 341.614209] ? __lock_is_held+0xb5/0x140 [ 341.618289] ? mark_held_locks+0x130/0x130 [ 341.622571] ? lock_release+0xa00/0xa00 [ 341.626561] ? perf_trace_sched_process_exec+0x860/0x860 [ 341.632011] ? xa_load+0x2ba/0x460 [ 341.635550] ? lock_downgrade+0x900/0x900 [ 341.639720] ? __might_sleep+0x95/0x190 [ 341.643712] __alloc_pages_nodemask+0xad8/0xea0 [ 341.648404] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 341.653459] ? __page_cache_alloc+0x191/0x5c0 [ 341.657964] ? xa_load+0x2e1/0x460 [ 341.661507] ? xa_clear_mark+0x40/0x40 [ 341.665396] ? zap_class+0x640/0x640 [ 341.669115] ? zap_class+0x640/0x640 [ 341.672831] ? zap_class+0x640/0x640 [ 341.676545] ? __do_page_cache_readahead+0x663/0x810 [ 341.681653] ? find_held_lock+0x36/0x1c0 [ 341.685726] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 341.691271] alloc_pages_current+0x173/0x350 [ 341.695716] __page_cache_alloc+0x38c/0x5c0 [ 341.700035] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 341.704966] ? kasan_check_read+0x11/0x20 [ 341.709124] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.714419] ? generic_perform_write+0x6a0/0x6a0 [ 341.719177] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.724713] ? check_preemption_disabled+0x48/0x280 [ 341.729735] filemap_fault+0x1595/0x25f0 [ 341.733830] ? __lock_page_or_retry+0xa00/0xa00 [ 341.738512] ? mark_held_locks+0x130/0x130 [ 341.742766] ? filemap_map_pages+0xd6b/0x1a20 [ 341.747268] ? lock_downgrade+0x900/0x900 [ 341.751416] ? check_preemption_disabled+0x48/0x280 [ 341.756455] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 341.761382] ? kasan_check_read+0x11/0x20 [ 341.765526] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.770799] ? rcu_softirq_qs+0x20/0x20 [ 341.774785] ? filemap_map_pages+0xd92/0x1a20 [ 341.779304] ? print_usage_bug+0xc0/0xc0 [ 341.783384] ? find_get_entries_tag+0x1400/0x1400 [ 341.788228] ? __kasan_slab_free+0x102/0x150 [ 341.792635] ? kasan_slab_free+0xe/0x10 [ 341.796625] ? kmem_cache_free+0x83/0x290 [ 341.800789] ? __sigqueue_free.part.29+0x74/0x90 [ 341.805573] ? lock_acquire+0x1ed/0x520 [ 341.809561] ? ext4_filemap_fault+0x7a/0xad [ 341.813902] ? lock_release+0xa00/0xa00 [ 341.817885] ? perf_trace_sched_process_exec+0x860/0x860 [ 341.823335] ? print_usage_bug+0xc0/0xc0 [ 341.827412] ? print_usage_bug+0xc0/0xc0 [ 341.831485] ? down_read+0x8d/0x120 [ 341.835113] ? ext4_filemap_fault+0x7a/0xad [ 341.839433] ? __down_interruptible+0x700/0x700 [ 341.844122] ext4_filemap_fault+0x82/0xad [ 341.848271] __do_fault+0x100/0x6b0 [ 341.851904] ? pmd_devmap_trans_unstable+0x220/0x220 [ 341.857042] ? mark_held_locks+0x130/0x130 [ 341.861276] ? mark_held_locks+0x130/0x130 [ 341.865513] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 341.871062] ? rcu_pm_notify+0xc0/0xc0 [ 341.874981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.880524] __handle_mm_fault+0x3ea0/0x5be0 [ 341.884948] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 341.889790] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.894316] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 341.898921] ? trace_hardirqs_on+0xbd/0x310 [ 341.903252] ? kasan_check_read+0x11/0x20 [ 341.907396] ? __set_current_blocked+0xdf/0x120 [ 341.912100] ? trace_hardirqs_off_caller+0x310/0x310 [ 341.917213] ? zap_class+0x640/0x640 [ 341.920932] ? zap_class+0x640/0x640 [ 341.924650] ? find_held_lock+0x36/0x1c0 [ 341.928718] ? handle_mm_fault+0x42a/0xc70 [ 341.932964] ? lock_downgrade+0x900/0x900 [ 341.937130] ? check_preemption_disabled+0x48/0x280 [ 341.942147] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 341.947079] ? kasan_check_read+0x11/0x20 [ 341.951226] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.956500] ? rcu_softirq_qs+0x20/0x20 [ 341.960471] ? trace_hardirqs_off_caller+0x310/0x310 [ 341.965575] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.971112] ? check_preemption_disabled+0x48/0x280 [ 341.976135] handle_mm_fault+0x54f/0xc70 [ 341.980206] ? __handle_mm_fault+0x5be0/0x5be0 [ 341.984804] ? find_vma+0x34/0x190 [ 341.988351] __do_page_fault+0x5e8/0xe60 [ 341.992416] ? exit_to_usermode_loop+0x1f4/0x380 [ 341.997198] do_page_fault+0xf2/0x7e0 [ 342.001004] ? vmalloc_sync_all+0x30/0x30 [ 342.005182] ? error_entry+0x70/0xd0 [ 342.008898] ? trace_hardirqs_off_caller+0xbb/0x310 [ 342.013918] ? trace_hardirqs_on_caller+0xc0/0x310 [ 342.018879] ? syscall_return_slowpath+0x5e0/0x5e0 [ 342.023808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.028663] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.033677] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 342.039148] ? prepare_exit_to_usermode+0x291/0x3b0 [ 342.044166] ? page_fault+0x8/0x30 [ 342.047713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.052561] ? page_fault+0x8/0x30 [ 342.056106] page_fault+0x1e/0x30 [ 342.059560] RIP: 0033:0x45db60 [ 342.062767] Code: Bad RIP value. [ 342.066141] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 342.071499] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 342.078794] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 342.086086] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 342.093505] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 342.100818] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 342.108112] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 342.108180] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 342.115130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 342.115139] Call Trace: [ 342.121710] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 342.130964] [ 342.133538] syz-fuzzer cpuset=/ mems_allowed=0 [ 342.143757] dump_stack+0x244/0x39d [ 342.154100] ? dump_stack_print_info.cold.1+0x20/0x20 [ 342.159300] warn_alloc.cold.116+0xb7/0x1bd [ 342.163620] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 342.168468] ? lock_downgrade+0x900/0x900 [ 342.172639] ? trace_hardirqs_off+0xb8/0x310 [ 342.177063] ? trace_hardirqs_off+0xb8/0x310 [ 342.181480] __alloc_pages_slowpath+0x2651/0x2de0 [ 342.186351] ? warn_alloc+0x120/0x120 [ 342.190159] ? warn_alloc+0x120/0x120 [ 342.193993] ? __lock_acquire+0x62f/0x4c20 [ 342.198236] ? warn_alloc+0x120/0x120 [ 342.202041] ? print_usage_bug+0xc0/0xc0 [ 342.206106] ? print_usage_bug+0xc0/0xc0 [ 342.210168] ? mark_held_locks+0x130/0x130 [ 342.214406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.219954] ? should_fail+0x22d/0xd01 [ 342.223841] ? zap_class+0x640/0x640 [ 342.227563] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.232669] ? __lock_acquire+0x62f/0x4c20 [ 342.236904] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.242032] ? should_fail+0x22d/0xd01 [ 342.245942] ? mark_held_locks+0x130/0x130 [ 342.250203] ? mark_held_locks+0x130/0x130 [ 342.254437] ? lock_downgrade+0x900/0x900 [ 342.258584] ? zap_class+0x640/0x640 [ 342.262294] ? zap_class+0x640/0x640 [ 342.266014] ? zap_class+0x640/0x640 [ 342.269741] ? do_raw_spin_unlock+0xa7/0x330 [ 342.274161] ? trace_hardirqs_on+0x310/0x310 [ 342.278567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.284120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.289671] ? check_preemption_disabled+0x48/0x280 [ 342.294696] ? __lock_is_held+0xb5/0x140 [ 342.298765] __alloc_pages_nodemask+0xad8/0xea0 [ 342.303432] ? zap_class+0x640/0x640 [ 342.307151] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 342.312182] ? find_held_lock+0x36/0x1c0 [ 342.316251] ? ____cache_alloc_node+0x1c7/0x1e0 [ 342.320951] ? lock_downgrade+0x900/0x900 [ 342.325121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.330707] cache_grow_begin+0xa5/0x8c0 [ 342.334783] ? do_raw_spin_unlock+0xa7/0x330 [ 342.339201] fallback_alloc+0x204/0x2e0 [ 342.343180] ____cache_alloc_node+0x1c7/0x1e0 [ 342.347692] kmem_cache_alloc_node+0xe3/0x730 [ 342.352217] ? lockdep_hardirqs_on+0x296/0x5b0 [ 342.356810] __alloc_skb+0x119/0x770 [ 342.360538] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 342.365906] ? netdev_alloc_frag+0x1f0/0x1f0 [ 342.370341] ? vprintk_default+0x28/0x30 [ 342.374399] ? vprintk_func+0x85/0x181 [ 342.378286] ? printk+0xa7/0xcf [ 342.381564] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 342.386321] ? do_raw_spin_trylock+0x270/0x270 [ 342.390910] new_skb+0x26/0x1c0 [ 342.394200] aoecmd_cfg+0x279/0x7f0 [ 342.397843] ? find_held_lock+0x36/0x1c0 [ 342.401913] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 342.406248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.411795] ? __lock_is_held+0xb5/0x140 [ 342.415884] discover_timer+0x50/0x60 [ 342.419712] call_timer_fn+0x272/0x920 [ 342.423599] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 342.428452] ? process_timeout+0x40/0x40 [ 342.432523] ? mark_held_locks+0xc7/0x130 [ 342.436672] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.441166] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.445659] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 342.450502] ? lockdep_hardirqs_on+0x296/0x5b0 [ 342.455090] ? trace_hardirqs_on+0xbd/0x310 [ 342.459437] ? kasan_check_read+0x11/0x20 [ 342.463598] ? __run_timers+0x7da/0xc70 [ 342.467572] ? trace_hardirqs_off_caller+0x310/0x310 [ 342.472688] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 342.477528] __run_timers+0x7e5/0xc70 [ 342.481337] ? timer_fixup_init+0x70/0x70 [ 342.485515] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 342.490529] ? zap_class+0x640/0x640 [ 342.494281] ? print_usage_bug+0xc0/0xc0 [ 342.498351] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 342.503562] ? find_held_lock+0x36/0x1c0 [ 342.507627] ? zap_class+0x640/0x640 [ 342.511352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.516889] ? check_preemption_disabled+0x48/0x280 [ 342.521918] ? __lock_is_held+0xb5/0x140 [ 342.525992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.531532] ? check_preemption_disabled+0x48/0x280 [ 342.536551] run_timer_softirq+0x52/0xb0 [ 342.540612] ? rcu_read_lock_sched_held+0x14f/0x180 [ 342.545641] __do_softirq+0x308/0xb7e [ 342.549468] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 342.553982] ? lock_downgrade+0x900/0x900 [ 342.558140] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 342.563253] ? pvclock_read_flags+0x160/0x160 [ 342.567752] ? lapic_next_event+0x5a/0x90 [ 342.571906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.577470] ? kvm_clock_read+0x18/0x30 [ 342.581445] ? kvm_sched_clock_read+0x9/0x20 [ 342.585855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.591409] ? check_preemption_disabled+0x48/0x280 [ 342.596433] irq_exit+0x17f/0x1c0 [ 342.599905] smp_apic_timer_interrupt+0x1cb/0x760 [ 342.604776] ? smp_reschedule_interrupt+0x109/0x650 [ 342.609797] ? smp_call_function_single_interrupt+0x650/0x650 [ 342.615688] ? interrupt_entry+0xb5/0xc0 [ 342.619748] ? trace_hardirqs_off_caller+0xbb/0x310 [ 342.624767] ? trace_hardirqs_off_caller+0xbb/0x310 [ 342.629781] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.634622] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.639638] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.644673] ? task_prio+0x50/0x50 [ 342.648217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.653754] ? check_preemption_disabled+0x48/0x280 [ 342.658776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.663629] apic_timer_interrupt+0xf/0x20 [ 342.667855] [ 342.670092] RIP: 0010:console_unlock+0x102f/0x1190 [ 342.675021] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 342.693921] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 342.701703] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 342.708971] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 342.716238] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 342.723520] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 342.730784] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 342.738242] ? netconsole_netdev_event+0x280/0x280 [ 342.743177] ? console_unlock+0x1026/0x1190 [ 342.747547] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 342.752220] ? lock_release+0xa00/0xa00 [ 342.756208] ? retint_kernel+0x2d/0x2d [ 342.760135] vprintk_emit+0x391/0x990 [ 342.763985] ? wake_up_klogd+0x180/0x180 [ 342.768054] ? match_held_lock+0x811/0x8d0 [ 342.772297] ? mark_held_locks+0xc7/0x130 [ 342.776448] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.780952] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.785455] vprintk_default+0x28/0x30 [ 342.789357] vprintk_func+0x7e/0x181 [ 342.793075] printk+0xa7/0xcf [ 342.796182] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 342.800951] ? _raw_spin_unlock_irq+0x60/0x80 [ 342.805463] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 342.810750] dump_header+0x7cc/0xf72 [ 342.814474] ? pagefault_out_of_memory+0x197/0x197 [ 342.819429] ? __lock_acquire+0x62f/0x4c20 [ 342.823665] ? percpu_ref_get_many+0x240/0x240 [ 342.828253] ? print_usage_bug+0xc0/0xc0 [ 342.832318] ? zap_class+0x640/0x640 [ 342.836040] ? print_usage_bug+0xc0/0xc0 [ 342.840106] ? zap_class+0x640/0x640 [ 342.843826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.849366] ? find_held_lock+0x36/0x1c0 [ 342.853435] ? mark_held_locks+0xc7/0x130 [ 342.857586] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 342.862691] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 342.867796] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 342.872378] ? trace_hardirqs_on+0xbd/0x310 [ 342.876700] ? kasan_check_read+0x11/0x20 [ 342.880854] ? ___ratelimit+0x3b4/0x672 [ 342.884834] ? trace_hardirqs_off_caller+0x310/0x310 [ 342.889981] ? trace_hardirqs_on+0x310/0x310 [ 342.894391] ? lock_downgrade+0x900/0x900 [ 342.898546] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 342.903680] ? ___ratelimit+0x3b9/0x672 [ 342.907658] ? idr_get_free+0xf70/0xf70 [ 342.911636] ? find_held_lock+0x36/0x1c0 [ 342.915705] oom_kill_process.cold.27+0x10/0x903 [ 342.920476] ? zap_class+0x640/0x640 [ 342.924191] ? check_preemption_disabled+0x48/0x280 [ 342.929227] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 342.934157] ? kasan_check_read+0x11/0x20 [ 342.938320] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.943598] ? oom_evaluate_task+0x540/0x540 [ 342.948005] ? find_held_lock+0x36/0x1c0 [ 342.952125] ? out_of_memory+0x974/0x1430 [ 342.956277] ? lock_downgrade+0x900/0x900 [ 342.960472] ? check_preemption_disabled+0x48/0x280 [ 342.965509] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 342.970449] ? kasan_check_read+0x11/0x20 [ 342.974624] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.979899] ? rcu_softirq_qs+0x20/0x20 [ 342.983887] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 342.989435] ? oom_evaluate_task+0x302/0x540 [ 342.993862] out_of_memory+0xa84/0x1430 [ 342.997842] ? oom_killer_disable+0x3a0/0x3a0 [ 343.002343] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 343.007275] ? __ww_mutex_check_waiters+0x160/0x160 [ 343.012304] __alloc_pages_slowpath+0x232c/0x2de0 [ 343.017177] ? warn_alloc+0x120/0x120 [ 343.020979] ? mark_held_locks+0x130/0x130 [ 343.025226] ? find_get_entry+0xaae/0x1120 [ 343.029481] ? filemap_map_pages+0x1a20/0x1a20 [ 343.034065] ? zap_class+0x640/0x640 [ 343.037784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.043321] ? check_preemption_disabled+0x48/0x280 [ 343.048338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.053878] ? should_fail+0x22d/0xd01 [ 343.057788] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.062893] ? zap_class+0x640/0x640 [ 343.066639] ? __lock_is_held+0xb5/0x140 [ 343.070708] ? mark_held_locks+0x130/0x130 [ 343.074989] ? lock_release+0xa00/0xa00 [ 343.078972] ? perf_trace_sched_process_exec+0x860/0x860 [ 343.084421] ? xa_load+0x2ba/0x460 [ 343.087974] ? lock_downgrade+0x900/0x900 [ 343.092130] ? __might_sleep+0x95/0x190 [ 343.096111] __alloc_pages_nodemask+0xad8/0xea0 [ 343.100790] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 343.105837] ? __page_cache_alloc+0x191/0x5c0 [ 343.110333] ? xa_load+0x2e1/0x460 [ 343.113899] ? xa_clear_mark+0x40/0x40 [ 343.117800] ? zap_class+0x640/0x640 [ 343.121553] ? zap_class+0x640/0x640 [ 343.125304] ? zap_class+0x640/0x640 [ 343.129023] ? zap_class+0x640/0x640 [ 343.132739] ? __do_page_cache_readahead+0x663/0x810 [ 343.137848] ? find_held_lock+0x36/0x1c0 [ 343.141911] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 343.147469] alloc_pages_current+0x173/0x350 [ 343.151883] __page_cache_alloc+0x38c/0x5c0 [ 343.156203] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 343.161135] ? kasan_check_read+0x11/0x20 [ 343.165294] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 343.170576] ? generic_perform_write+0x6a0/0x6a0 [ 343.175336] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.180884] ? check_preemption_disabled+0x48/0x280 [ 343.185943] filemap_fault+0x1595/0x25f0 [ 343.190018] ? __lock_page_or_retry+0xa00/0xa00 [ 343.194688] ? mark_held_locks+0x130/0x130 [ 343.198978] ? filemap_map_pages+0xd6b/0x1a20 [ 343.203488] ? lock_downgrade+0x900/0x900 [ 343.207636] ? check_preemption_disabled+0x48/0x280 [ 343.212653] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 343.217582] ? kasan_check_read+0x11/0x20 [ 343.221736] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 343.227011] ? rcu_softirq_qs+0x20/0x20 [ 343.231043] ? filemap_map_pages+0xd92/0x1a20 [ 343.235542] ? queue_work_on+0x12c/0x1e0 [ 343.239640] ? find_get_entries_tag+0x1400/0x1400 [ 343.244489] ? debug_object_destroy+0x2b0/0x2b0 [ 343.249162] ? lock_pi_update_atomic+0x150/0x150 [ 343.253915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.259478] ? lock_acquire+0x1ed/0x520 [ 343.263470] ? ext4_filemap_fault+0x7a/0xad [ 343.267817] ? lock_release+0xa00/0xa00 [ 343.271809] ? perf_trace_sched_process_exec+0x860/0x860 [ 343.277274] ? print_usage_bug+0xc0/0xc0 [ 343.281350] ? print_usage_bug+0xc0/0xc0 [ 343.285433] ? down_read+0x8d/0x120 [ 343.289058] ? ext4_filemap_fault+0x7a/0xad [ 343.293377] ? __down_interruptible+0x700/0x700 [ 343.298055] ext4_filemap_fault+0x82/0xad [ 343.302205] __do_fault+0x100/0x6b0 [ 343.305832] ? perf_tp_event+0xc20/0xc20 [ 343.309898] ? pmd_devmap_trans_unstable+0x220/0x220 [ 343.315017] ? mark_held_locks+0x130/0x130 [ 343.319254] ? mark_held_locks+0x130/0x130 [ 343.323489] ? debug_smp_processor_id+0x1c/0x20 [ 343.328158] ? perf_trace_lock+0x14d/0x7a0 [ 343.332398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.337953] __handle_mm_fault+0x3ea0/0x5be0 [ 343.342406] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 343.347280] ? lock_is_held_type+0x210/0x210 [ 343.351690] ? __switch_to_asm+0x34/0x70 [ 343.355753] ? __switch_to_asm+0x34/0x70 [ 343.359839] ? zap_class+0x640/0x640 [ 343.363565] ? zap_class+0x640/0x640 [ 343.367275] ? __x64_sys_futex+0x53e/0x6a0 [ 343.371519] ? find_held_lock+0x36/0x1c0 [ 343.375588] ? handle_mm_fault+0x42a/0xc70 [ 343.379822] ? lock_downgrade+0x900/0x900 [ 343.383975] ? check_preemption_disabled+0x48/0x280 [ 343.388998] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 343.393923] ? kasan_check_read+0x11/0x20 [ 343.398114] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 343.403432] ? rcu_softirq_qs+0x20/0x20 [ 343.407435] ? trace_hardirqs_off_caller+0x310/0x310 [ 343.412536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.418092] ? check_preemption_disabled+0x48/0x280 [ 343.423116] handle_mm_fault+0x54f/0xc70 [ 343.427198] ? __handle_mm_fault+0x5be0/0x5be0 [ 343.431791] ? find_vma+0x34/0x190 [ 343.435343] __do_page_fault+0x5e8/0xe60 [ 343.439400] ? trace_hardirqs_off+0xb8/0x310 [ 343.443817] do_page_fault+0xf2/0x7e0 [ 343.447617] ? vmalloc_sync_all+0x30/0x30 [ 343.451767] ? error_entry+0x70/0xd0 [ 343.455498] ? trace_hardirqs_off_caller+0xbb/0x310 [ 343.460514] ? trace_hardirqs_on_caller+0xc0/0x310 [ 343.465460] ? syscall_return_slowpath+0x5e0/0x5e0 [ 343.470386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.475228] ? trace_hardirqs_on_caller+0x310/0x310 [ 343.480242] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 343.485722] ? prepare_exit_to_usermode+0x291/0x3b0 [ 343.490766] ? page_fault+0x8/0x30 [ 343.494325] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.499168] ? page_fault+0x8/0x30 [ 343.502709] page_fault+0x1e/0x30 [ 343.506173] RIP: 0033:0x45ddf3 [ 343.509378] Code: Bad RIP value. [ 343.512738] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 343.518115] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 343.525391] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 343.532667] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 343.539947] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 343.547219] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 343.554503] warn_alloc_show_mem: 1 callbacks suppressed [ 343.554515] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 343.554517] Mem-Info: [ 343.554547] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 343.554547] active_file:10 inactive_file:13 isolated_file:0 [ 343.554547] unevictable:0 dirty:0 writeback:0 unstable:0 [ 343.554547] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 343.554547] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 343.554547] free:13776 free_pcp:523 free_cma:0 [ 343.559891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.566907] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 343.569303] Call Trace: [ 343.602344] 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 [ 343.611838] [ 343.639500] lowmem_reserve[]: 0 2818 6321 6321 [ 343.642093] dump_stack+0x244/0x39d [ 343.668172] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 343.670319] ? dump_stack_print_info.cold.1+0x20/0x20 [ 343.674890] lowmem_reserve[]: 0 0 3503 3503 [ 343.678532] warn_alloc.cold.116+0xb7/0x1bd [ 343.705828] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 343.711043] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 343.715334] lowmem_reserve[]: 0 0 0 0 [ 343.719664] ? lock_downgrade+0x900/0x900 [ 343.748696] 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 [ 343.753544] ? trace_hardirqs_off+0xb8/0x310 [ 343.757334] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 343.761490] ? trace_hardirqs_off+0xb8/0x310 [ 343.774987] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 343.779392] __alloc_pages_slowpath+0x2651/0x2de0 [ 343.794448] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 343.794462] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 343.798880] ? warn_alloc+0x120/0x120 [ 343.813230] 1516 total pagecache pages [ 343.818098] ? print_usage_bug+0xc0/0xc0 [ 343.826911] 0 pages in swap cache [ 343.835475] ? warn_alloc+0x120/0x120 [ 343.839254] Swap cache stats: add 0, delete 0, find 0/0 [ 343.843131] ? warn_alloc+0x120/0x120 [ 343.847166] Free swap = 0kB [ 343.850608] ? print_usage_bug+0xc0/0xc0 [ 343.854383] Total swap = 0kB [ 343.859737] ? kvm_clock_read+0x18/0x30 [ 343.863509] 1965979 pages RAM [ 343.866523] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 343.870555] 0 pages HighMem/MovableOnly [ 343.873565] ? print_usage_bug+0xc0/0xc0 [ 343.877533] 342854 pages reserved [ 343.880678] ? __lock_acquire+0x62f/0x4c20 [ 343.885670] 0 pages cma reserved [ 343.889642] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.893731] aoe: skb alloc failure [ 343.897123] ? should_fail+0x22d/0xd01 [ 343.901407] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 343.904723] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 343.910251] syz-fuzzer cpuset=/ mems_allowed=0 [ 343.913787] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.942845] ? __lock_acquire+0x62f/0x4c20 [ 343.947125] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.952240] ? __lock_acquire+0x62f/0x4c20 [ 343.956474] ? should_fail+0x22d/0xd01 [ 343.960357] ? rcu_irq_exit+0x1a2/0x390 [ 343.964343] ? mark_held_locks+0x130/0x130 [ 343.968585] ? mark_held_locks+0x130/0x130 [ 343.972827] ? mark_held_locks+0xc7/0x130 [ 343.977001] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 343.982035] ? zap_class+0x640/0x640 [ 343.985757] ? print_usage_bug+0xc0/0xc0 [ 343.989837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.995387] ? check_preemption_disabled+0x48/0x280 [ 344.000411] ? __lock_is_held+0xb5/0x140 [ 344.004499] __alloc_pages_nodemask+0xad8/0xea0 [ 344.009184] ? zap_class+0x640/0x640 [ 344.012913] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 344.017967] ? find_held_lock+0x36/0x1c0 [ 344.022064] ? ____cache_alloc_node+0x1c7/0x1e0 [ 344.026737] ? lock_downgrade+0x900/0x900 [ 344.030895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.036467] cache_grow_begin+0xa5/0x8c0 [ 344.040539] ? do_raw_spin_unlock+0xa7/0x330 [ 344.044967] fallback_alloc+0x204/0x2e0 [ 344.048955] ____cache_alloc_node+0x1c7/0x1e0 [ 344.053461] kmem_cache_alloc_node+0xe3/0x730 [ 344.057980] ? ipv6_get_ifaddr+0x42e/0x620 [ 344.062225] __alloc_skb+0x119/0x770 [ 344.065948] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.071230] ? netdev_alloc_frag+0x1f0/0x1f0 [ 344.075637] ? lock_downgrade+0x900/0x900 [ 344.079810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.085347] ? refcount_sub_and_test_checked+0x203/0x310 [ 344.090801] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 344.096261] ? addrconf_rs_timer+0x690/0x690 [ 344.100685] ndisc_alloc_skb+0x144/0x340 [ 344.104785] ndisc_send_rs+0x331/0x6e0 [ 344.108709] addrconf_rs_timer+0x314/0x690 [ 344.112967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.117213] call_timer_fn+0x272/0x920 [ 344.121100] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.125334] ? process_timeout+0x40/0x40 [ 344.129414] ? mark_held_locks+0xc7/0x130 [ 344.133569] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.138076] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.142586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.146836] ? lockdep_hardirqs_on+0x296/0x5b0 [ 344.151424] ? trace_hardirqs_on+0xbd/0x310 [ 344.155752] ? kasan_check_read+0x11/0x20 [ 344.159896] ? __run_timers+0x7da/0xc70 [ 344.163874] ? trace_hardirqs_off_caller+0x310/0x310 [ 344.168984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.173235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.177475] __run_timers+0x7e5/0xc70 [ 344.181287] ? timer_fixup_init+0x70/0x70 [ 344.185456] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 344.190502] ? zap_class+0x640/0x640 [ 344.194247] ? print_usage_bug+0xc0/0xc0 [ 344.198306] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 344.203502] ? find_held_lock+0x36/0x1c0 [ 344.207583] ? zap_class+0x640/0x640 [ 344.211306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.216847] ? check_preemption_disabled+0x48/0x280 [ 344.221875] ? __lock_is_held+0xb5/0x140 [ 344.225946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.231484] ? check_preemption_disabled+0x48/0x280 [ 344.236508] run_timer_softirq+0x52/0xb0 [ 344.240572] ? rcu_read_lock_sched_held+0x14f/0x180 [ 344.245607] __do_softirq+0x308/0xb7e [ 344.249411] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 344.253919] ? lock_downgrade+0x900/0x900 [ 344.258113] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 344.263235] ? pvclock_read_flags+0x160/0x160 [ 344.267732] ? lapic_next_event+0x5a/0x90 [ 344.271885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.277430] ? kvm_clock_read+0x18/0x30 [ 344.281460] ? kvm_sched_clock_read+0x9/0x20 [ 344.285870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.291425] ? check_preemption_disabled+0x48/0x280 [ 344.296504] irq_exit+0x17f/0x1c0 [ 344.299963] smp_apic_timer_interrupt+0x1cb/0x760 [ 344.304801] ? smp_reschedule_interrupt+0x109/0x650 [ 344.309822] ? smp_call_function_single_interrupt+0x650/0x650 [ 344.315707] ? interrupt_entry+0xb5/0xc0 [ 344.319770] ? trace_hardirqs_off_caller+0xbb/0x310 [ 344.324793] ? trace_hardirqs_off_caller+0xbb/0x310 [ 344.329825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.334681] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.339713] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.344729] ? task_prio+0x50/0x50 [ 344.348273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.353844] ? check_preemption_disabled+0x48/0x280 [ 344.358896] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.363779] apic_timer_interrupt+0xf/0x20 [ 344.368006] [ 344.370247] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 344.375177] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 344.394081] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 344.401808] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 344.409096] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 344.416389] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 344.423657] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 344.430923] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 344.438247] rcu_read_lock_held+0xa9/0xc0 [ 344.442395] list_lru_count_one+0x31a/0x450 [ 344.446717] ? list_lru_isolate_move+0x3c0/0x3c0 [ 344.451478] ? deferred_split_count+0x65/0x170 [ 344.456074] ? shrink_huge_zero_page_count+0xc8/0x100 [ 344.461273] super_cache_count+0x153/0x2e0 [ 344.465514] do_shrink_slab+0x1b1/0xd30 [ 344.469508] ? lock_acquire+0x1ed/0x520 [ 344.473499] ? snapshot_refaults+0x290/0x290 [ 344.477918] ? lock_release+0xa00/0xa00 [ 344.481932] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 344.486888] ? down_read_trylock+0xda/0x140 [ 344.491223] ? shrink_slab+0x207/0x8c0 [ 344.495114] ? downgrade_write+0x270/0x270 [ 344.499359] shrink_slab+0x389/0x8c0 [ 344.503084] ? shrink_active_list+0x1f00/0x1f00 [ 344.507761] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 344.513400] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 344.518513] ? cgroup_procs_write_finish+0xf0/0xf0 [ 344.523457] ? find_held_lock+0x36/0x1c0 [ 344.527531] shrink_node+0x431/0x16b0 [ 344.531333] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 344.536631] ? shrink_node_memcg+0x18f0/0x18f0 [ 344.541221] ? kvm_clock_read+0x18/0x30 [ 344.545206] ? ktime_get+0x2c1/0x400 [ 344.548922] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 344.553428] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 344.558982] ? __cpuset_node_allowed+0x19b/0x660 [ 344.563740] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 344.569456] ? delayacct_end+0x5a/0x100 [ 344.573443] do_try_to_free_pages+0x3e7/0x1290 [ 344.578028] ? zap_class+0x640/0x640 [ 344.581759] ? shrink_node+0x16b0/0x16b0 [ 344.585864] ? __lock_is_held+0xb5/0x140 [ 344.589943] try_to_free_pages+0x4d0/0xb90 [ 344.594187] ? do_try_to_free_pages+0x1290/0x1290 [ 344.599041] ? lock_acquire+0x1ed/0x520 [ 344.603016] ? set_page_refcounted+0x280/0x280 [ 344.607605] ? lock_release+0xa00/0xa00 [ 344.611591] ? _raw_spin_unlock_irq+0x60/0x80 [ 344.616082] ? psi_memstall_enter+0x240/0x2b0 [ 344.620597] ? psi_memstall_tick+0x230/0x230 [ 344.625031] __alloc_pages_slowpath+0xa48/0x2de0 [ 344.629841] ? warn_alloc+0x120/0x120 [ 344.633667] ? mark_held_locks+0x130/0x130 [ 344.637940] ? find_get_entry+0xaae/0x1120 [ 344.642285] ? filemap_map_pages+0x1a20/0x1a20 [ 344.646871] ? zap_class+0x640/0x640 [ 344.650590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.656128] ? check_preemption_disabled+0x48/0x280 [ 344.661165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.666727] ? should_fail+0x22d/0xd01 [ 344.670618] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.675737] ? zap_class+0x640/0x640 [ 344.679481] ? __lock_is_held+0xb5/0x140 [ 344.683564] ? mark_held_locks+0x130/0x130 [ 344.687806] ? lock_release+0xa00/0xa00 [ 344.691778] ? perf_trace_sched_process_exec+0x860/0x860 [ 344.697230] ? xa_load+0x2ba/0x460 [ 344.700770] ? lock_downgrade+0x900/0x900 [ 344.704920] ? __might_sleep+0x95/0x190 [ 344.708910] __alloc_pages_nodemask+0xad8/0xea0 [ 344.713625] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 344.718641] ? __page_cache_alloc+0x191/0x5c0 [ 344.723131] ? xa_load+0x2e1/0x460 [ 344.726671] ? xa_clear_mark+0x40/0x40 [ 344.730563] ? zap_class+0x640/0x640 [ 344.734285] ? zap_class+0x640/0x640 [ 344.738551] ? zap_class+0x640/0x640 [ 344.742265] ? __do_page_cache_readahead+0x663/0x810 [ 344.747375] ? find_held_lock+0x36/0x1c0 [ 344.751456] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 344.757020] alloc_pages_current+0x173/0x350 [ 344.761441] __page_cache_alloc+0x38c/0x5c0 [ 344.765760] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 344.770690] ? kasan_check_read+0x11/0x20 [ 344.774835] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.780115] ? generic_perform_write+0x6a0/0x6a0 [ 344.784874] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.790413] ? check_preemption_disabled+0x48/0x280 [ 344.795447] filemap_fault+0x1595/0x25f0 [ 344.799522] ? __lock_page_or_retry+0xa00/0xa00 [ 344.804192] ? mark_held_locks+0x130/0x130 [ 344.808441] ? filemap_map_pages+0xd6b/0x1a20 [ 344.812947] ? lock_downgrade+0x900/0x900 [ 344.817097] ? check_preemption_disabled+0x48/0x280 [ 344.822116] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 344.827043] ? kasan_check_read+0x11/0x20 [ 344.831189] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.836469] ? rcu_softirq_qs+0x20/0x20 [ 344.840460] ? filemap_map_pages+0xd92/0x1a20 [ 344.844963] ? print_usage_bug+0xc0/0xc0 [ 344.849032] ? find_get_entries_tag+0x1400/0x1400 [ 344.853876] ? __kasan_slab_free+0x102/0x150 [ 344.858283] ? kasan_slab_free+0xe/0x10 [ 344.862264] ? kmem_cache_free+0x83/0x290 [ 344.866423] ? __sigqueue_free.part.29+0x74/0x90 [ 344.871198] ? lock_acquire+0x1ed/0x520 [ 344.875170] ? ext4_filemap_fault+0x7a/0xad [ 344.879499] ? lock_release+0xa00/0xa00 [ 344.883472] ? perf_trace_sched_process_exec+0x860/0x860 [ 344.888934] ? print_usage_bug+0xc0/0xc0 [ 344.893000] ? print_usage_bug+0xc0/0xc0 [ 344.897069] ? down_read+0x8d/0x120 [ 344.900693] ? ext4_filemap_fault+0x7a/0xad [ 344.905017] ? __down_interruptible+0x700/0x700 [ 344.909701] ext4_filemap_fault+0x82/0xad [ 344.913854] __do_fault+0x100/0x6b0 [ 344.917488] ? pmd_devmap_trans_unstable+0x220/0x220 [ 344.922593] ? mark_held_locks+0x130/0x130 [ 344.926834] ? mark_held_locks+0x130/0x130 [ 344.931071] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 344.936609] ? rcu_pm_notify+0xc0/0xc0 [ 344.940505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.946056] __handle_mm_fault+0x3ea0/0x5be0 [ 344.950476] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 344.955319] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.959818] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 344.964419] ? trace_hardirqs_on+0xbd/0x310 [ 344.968744] ? kasan_check_read+0x11/0x20 [ 344.972889] ? __set_current_blocked+0xdf/0x120 [ 344.977563] ? trace_hardirqs_off_caller+0x310/0x310 [ 344.982679] ? zap_class+0x640/0x640 [ 344.986394] ? zap_class+0x640/0x640 [ 344.990115] ? find_held_lock+0x36/0x1c0 [ 344.994207] ? handle_mm_fault+0x42a/0xc70 [ 344.998467] ? lock_downgrade+0x900/0x900 [ 345.002616] ? check_preemption_disabled+0x48/0x280 [ 345.007636] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 345.012570] ? kasan_check_read+0x11/0x20 [ 345.016733] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 345.022023] ? rcu_softirq_qs+0x20/0x20 [ 345.025997] ? trace_hardirqs_off_caller+0x310/0x310 [ 345.031104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.036642] ? check_preemption_disabled+0x48/0x280 [ 345.041664] handle_mm_fault+0x54f/0xc70 [ 345.045729] ? __handle_mm_fault+0x5be0/0x5be0 [ 345.050316] ? find_vma+0x34/0x190 [ 345.053860] __do_page_fault+0x5e8/0xe60 [ 345.057920] ? exit_to_usermode_loop+0x1f4/0x380 [ 345.062696] do_page_fault+0xf2/0x7e0 [ 345.066496] ? vmalloc_sync_all+0x30/0x30 [ 345.070654] ? error_entry+0x70/0xd0 [ 345.074369] ? trace_hardirqs_off_caller+0xbb/0x310 [ 345.079383] ? trace_hardirqs_on_caller+0xc0/0x310 [ 345.084313] ? syscall_return_slowpath+0x5e0/0x5e0 [ 345.089240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.094084] ? trace_hardirqs_on_caller+0x310/0x310 [ 345.099105] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 345.104567] ? prepare_exit_to_usermode+0x291/0x3b0 [ 345.109585] ? page_fault+0x8/0x30 [ 345.113129] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.117976] ? page_fault+0x8/0x30 [ 345.121520] page_fault+0x1e/0x30 [ 345.124972] RIP: 0033:0x45db60 [ 345.128174] Code: Bad RIP value. [ 345.131550] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 345.136945] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 345.144214] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 345.151494] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 345.158762] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 345.166029] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 345.173324] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 345.173395] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 345.180350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.180356] Call Trace: [ 345.180362] [ 345.180381] dump_stack+0x244/0x39d [ 345.180401] ? dump_stack_print_info.cold.1+0x20/0x20 [ 345.187375] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 345.196233] warn_alloc.cold.116+0xb7/0x1bd [ 345.198787] syz-fuzzer cpuset=/ mems_allowed=0 [ 345.200954] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 345.233700] ? lock_downgrade+0x900/0x900 [ 345.237855] ? trace_hardirqs_off+0xb8/0x310 [ 345.242269] ? trace_hardirqs_off+0xb8/0x310 [ 345.246686] __alloc_pages_slowpath+0x2651/0x2de0 [ 345.251564] ? warn_alloc+0x120/0x120 [ 345.255368] ? warn_alloc+0x120/0x120 [ 345.259175] ? warn_alloc+0x120/0x120 [ 345.262979] ? print_usage_bug+0xc0/0xc0 [ 345.267046] ? print_usage_bug+0xc0/0xc0 [ 345.271139] ? ktime_get+0x2c1/0x400 [ 345.274863] ? check_preemption_disabled+0x48/0x280 [ 345.279877] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 345.284373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.289910] ? should_fail+0x22d/0xd01 [ 345.293823] ? kasan_check_read+0x11/0x20 [ 345.297977] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.303080] ? __lock_acquire+0x62f/0x4c20 [ 345.307321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.312443] ? should_fail+0x22d/0xd01 [ 345.316345] ? print_usage_bug+0xc0/0xc0 [ 345.320424] ? mark_held_locks+0x130/0x130 [ 345.324658] ? mark_held_locks+0x130/0x130 [ 345.328891] ? check_preemption_disabled+0x48/0x280 [ 345.333917] ? zap_class+0x640/0x640 [ 345.337646] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 345.342404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.347952] ? check_preemption_disabled+0x48/0x280 [ 345.353011] ? __lock_is_held+0xb5/0x140 [ 345.357087] __alloc_pages_nodemask+0xad8/0xea0 [ 345.361769] ? zap_class+0x640/0x640 [ 345.365500] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 345.370544] ? find_held_lock+0x36/0x1c0 [ 345.374609] ? ____cache_alloc_node+0x1c7/0x1e0 [ 345.379279] ? lock_downgrade+0x900/0x900 [ 345.383438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.388995] cache_grow_begin+0xa5/0x8c0 [ 345.393054] ? do_raw_spin_unlock+0xa7/0x330 [ 345.397505] fallback_alloc+0x204/0x2e0 [ 345.401485] ____cache_alloc_node+0x1c7/0x1e0 [ 345.405988] kmem_cache_alloc_node+0xe3/0x730 [ 345.410498] ? lockdep_hardirqs_on+0x296/0x5b0 [ 345.415107] __alloc_skb+0x119/0x770 [ 345.418822] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 345.424191] ? netdev_alloc_frag+0x1f0/0x1f0 [ 345.428607] ? vprintk_default+0x28/0x30 [ 345.432671] ? vprintk_func+0x85/0x181 [ 345.436559] ? printk+0xa7/0xcf [ 345.439840] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 345.444598] ? do_raw_spin_trylock+0x270/0x270 [ 345.449184] new_skb+0x26/0x1c0 [ 345.452476] aoecmd_cfg+0x279/0x7f0 [ 345.456103] ? find_held_lock+0x36/0x1c0 [ 345.460167] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 345.464494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.470044] ? __lock_is_held+0xb5/0x140 [ 345.474119] discover_timer+0x50/0x60 [ 345.477923] call_timer_fn+0x272/0x920 [ 345.481868] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 345.486747] ? process_timeout+0x40/0x40 [ 345.490823] ? mark_held_locks+0xc7/0x130 [ 345.495018] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.499512] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.504023] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 345.508868] ? lockdep_hardirqs_on+0x296/0x5b0 [ 345.513465] ? trace_hardirqs_on+0xbd/0x310 [ 345.517788] ? kasan_check_read+0x11/0x20 [ 345.521950] ? __run_timers+0x7da/0xc70 [ 345.525935] ? trace_hardirqs_off_caller+0x310/0x310 [ 345.531062] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 345.535903] __run_timers+0x7e5/0xc70 [ 345.539726] ? timer_fixup_init+0x70/0x70 [ 345.543884] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 345.548900] ? zap_class+0x640/0x640 [ 345.552630] ? print_usage_bug+0xc0/0xc0 [ 345.556696] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 345.561891] ? find_held_lock+0x36/0x1c0 [ 345.565966] ? zap_class+0x640/0x640 [ 345.569689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.575230] ? check_preemption_disabled+0x48/0x280 [ 345.580254] ? __lock_is_held+0xb5/0x140 [ 345.584315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.589869] ? check_preemption_disabled+0x48/0x280 [ 345.594895] run_timer_softirq+0x52/0xb0 [ 345.598972] ? rcu_read_lock_sched_held+0x14f/0x180 [ 345.603988] __do_softirq+0x308/0xb7e [ 345.608290] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 345.612820] ? lock_downgrade+0x900/0x900 [ 345.616980] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 345.622096] ? pvclock_read_flags+0x160/0x160 [ 345.626597] ? lapic_next_event+0x5a/0x90 [ 345.630760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.636323] ? kvm_clock_read+0x18/0x30 [ 345.640297] ? kvm_sched_clock_read+0x9/0x20 [ 345.644719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.650256] ? check_preemption_disabled+0x48/0x280 [ 345.655278] irq_exit+0x17f/0x1c0 [ 345.658739] smp_apic_timer_interrupt+0x1cb/0x760 [ 345.663580] ? smp_reschedule_interrupt+0x109/0x650 [ 345.668633] ? smp_call_function_single_interrupt+0x650/0x650 [ 345.674518] ? interrupt_entry+0xb5/0xc0 [ 345.678576] ? trace_hardirqs_off_caller+0xbb/0x310 [ 345.683592] ? trace_hardirqs_off_caller+0xbb/0x310 [ 345.688640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.693486] ? trace_hardirqs_on_caller+0x310/0x310 [ 345.698502] ? trace_hardirqs_on_caller+0x310/0x310 [ 345.703518] ? task_prio+0x50/0x50 [ 345.707057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.712623] ? check_preemption_disabled+0x48/0x280 [ 345.717643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.722494] apic_timer_interrupt+0xf/0x20 [ 345.726736] [ 345.728992] RIP: 0010:console_unlock+0x102f/0x1190 [ 345.733950] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 345.752849] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 345.760554] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 345.767822] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 345.775091] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 345.782354] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 345.789620] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 345.796949] ? netconsole_netdev_event+0x280/0x280 [ 345.801888] ? console_unlock+0x1026/0x1190 [ 345.806226] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 345.810907] ? lock_release+0xa00/0xa00 [ 345.814896] ? retint_kernel+0x2d/0x2d [ 345.818807] vprintk_emit+0x391/0x990 [ 345.822611] ? wake_up_klogd+0x180/0x180 [ 345.826678] ? match_held_lock+0x811/0x8d0 [ 345.830933] ? mark_held_locks+0xc7/0x130 [ 345.835089] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.839583] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.844098] vprintk_default+0x28/0x30 [ 345.847992] vprintk_func+0x7e/0x181 [ 345.851705] printk+0xa7/0xcf [ 345.854814] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 345.859572] ? _raw_spin_unlock_irq+0x60/0x80 [ 345.864081] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 345.869369] dump_header+0x7cc/0xf72 [ 345.873095] ? pagefault_out_of_memory+0x197/0x197 [ 345.878032] ? __lock_acquire+0x62f/0x4c20 [ 345.882273] ? percpu_ref_get_many+0x240/0x240 [ 345.886860] ? print_usage_bug+0xc0/0xc0 [ 345.890935] ? zap_class+0x640/0x640 [ 345.894683] ? print_usage_bug+0xc0/0xc0 [ 345.898747] ? zap_class+0x640/0x640 [ 345.902467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.908011] ? find_held_lock+0x36/0x1c0 [ 345.912105] ? mark_held_locks+0xc7/0x130 [ 345.916275] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 345.921407] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 345.926516] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 345.931104] ? trace_hardirqs_on+0xbd/0x310 [ 345.935438] ? kasan_check_read+0x11/0x20 [ 345.939583] ? ___ratelimit+0x3b4/0x672 [ 345.943560] ? trace_hardirqs_off_caller+0x310/0x310 [ 345.948662] ? trace_hardirqs_on+0x310/0x310 [ 345.953071] ? lock_downgrade+0x900/0x900 [ 345.957228] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 345.962331] ? ___ratelimit+0x3b9/0x672 [ 345.966322] ? idr_get_free+0xf70/0xf70 [ 345.970346] ? find_held_lock+0x36/0x1c0 [ 345.974416] oom_kill_process.cold.27+0x10/0x903 [ 345.979171] ? zap_class+0x640/0x640 [ 345.982884] ? check_preemption_disabled+0x48/0x280 [ 345.987903] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 345.992844] ? kasan_check_read+0x11/0x20 [ 345.996993] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.002275] ? oom_evaluate_task+0x540/0x540 [ 346.006683] ? find_held_lock+0x36/0x1c0 [ 346.010750] ? out_of_memory+0x974/0x1430 [ 346.014898] ? lock_downgrade+0x900/0x900 [ 346.019085] ? check_preemption_disabled+0x48/0x280 [ 346.024119] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 346.029048] ? kasan_check_read+0x11/0x20 [ 346.033198] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.038476] ? rcu_softirq_qs+0x20/0x20 [ 346.042452] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 346.048022] ? oom_evaluate_task+0x302/0x540 [ 346.052465] out_of_memory+0xa84/0x1430 [ 346.056449] ? oom_killer_disable+0x3a0/0x3a0 [ 346.060959] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 346.065897] ? __ww_mutex_check_waiters+0x160/0x160 [ 346.070971] __alloc_pages_slowpath+0x232c/0x2de0 [ 346.075842] ? warn_alloc+0x120/0x120 [ 346.079641] ? mark_held_locks+0x130/0x130 [ 346.083892] ? find_get_entry+0xaae/0x1120 [ 346.088147] ? filemap_map_pages+0x1a20/0x1a20 [ 346.092737] ? zap_class+0x640/0x640 [ 346.096462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.102004] ? check_preemption_disabled+0x48/0x280 [ 346.107038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.112578] ? should_fail+0x22d/0xd01 [ 346.116498] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.121604] ? zap_class+0x640/0x640 [ 346.125344] ? __lock_is_held+0xb5/0x140 [ 346.129412] ? mark_held_locks+0x130/0x130 [ 346.133693] ? lock_release+0xa00/0xa00 [ 346.137667] ? perf_trace_sched_process_exec+0x860/0x860 [ 346.143117] ? xa_load+0x2ba/0x460 [ 346.146660] ? lock_downgrade+0x900/0x900 [ 346.150826] ? __might_sleep+0x95/0x190 [ 346.154803] __alloc_pages_nodemask+0xad8/0xea0 [ 346.159525] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 346.164544] ? __page_cache_alloc+0x191/0x5c0 [ 346.169088] ? xa_load+0x2e1/0x460 [ 346.172626] ? xa_clear_mark+0x40/0x40 [ 346.176510] ? zap_class+0x640/0x640 [ 346.180257] ? zap_class+0x640/0x640 [ 346.183996] ? zap_class+0x640/0x640 [ 346.187708] ? zap_class+0x640/0x640 [ 346.191421] ? __do_page_cache_readahead+0x663/0x810 [ 346.196532] ? find_held_lock+0x36/0x1c0 [ 346.200596] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 346.206139] alloc_pages_current+0x173/0x350 [ 346.210569] __page_cache_alloc+0x38c/0x5c0 [ 346.214887] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 346.219820] ? kasan_check_read+0x11/0x20 [ 346.223984] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.229279] ? generic_perform_write+0x6a0/0x6a0 [ 346.234041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.239577] ? check_preemption_disabled+0x48/0x280 [ 346.244600] filemap_fault+0x1595/0x25f0 [ 346.248687] ? __lock_page_or_retry+0xa00/0xa00 [ 346.253358] ? mark_held_locks+0x130/0x130 [ 346.257610] ? filemap_map_pages+0xd6b/0x1a20 [ 346.262108] ? lock_downgrade+0x900/0x900 [ 346.266254] ? check_preemption_disabled+0x48/0x280 [ 346.271284] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 346.276256] ? kasan_check_read+0x11/0x20 [ 346.280403] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.285677] ? rcu_softirq_qs+0x20/0x20 [ 346.289676] ? filemap_map_pages+0xd92/0x1a20 [ 346.294177] ? queue_work_on+0x12c/0x1e0 [ 346.298249] ? find_get_entries_tag+0x1400/0x1400 [ 346.303099] ? debug_object_destroy+0x2b0/0x2b0 [ 346.307788] ? lock_pi_update_atomic+0x150/0x150 [ 346.312560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.318107] ? lock_acquire+0x1ed/0x520 [ 346.322094] ? ext4_filemap_fault+0x7a/0xad [ 346.326439] ? lock_release+0xa00/0xa00 [ 346.330412] ? perf_trace_sched_process_exec+0x860/0x860 [ 346.335923] ? print_usage_bug+0xc0/0xc0 [ 346.340018] ? print_usage_bug+0xc0/0xc0 [ 346.344096] ? down_read+0x8d/0x120 [ 346.347735] ? ext4_filemap_fault+0x7a/0xad [ 346.352055] ? __down_interruptible+0x700/0x700 [ 346.356778] ext4_filemap_fault+0x82/0xad [ 346.360953] __do_fault+0x100/0x6b0 [ 346.364605] ? perf_tp_event+0xc20/0xc20 [ 346.368675] ? pmd_devmap_trans_unstable+0x220/0x220 [ 346.373814] ? mark_held_locks+0x130/0x130 [ 346.378059] ? mark_held_locks+0x130/0x130 [ 346.382298] ? debug_smp_processor_id+0x1c/0x20 [ 346.386974] ? perf_trace_lock+0x14d/0x7a0 [ 346.391234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.396791] __handle_mm_fault+0x3ea0/0x5be0 [ 346.401213] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 346.406056] ? lock_is_held_type+0x210/0x210 [ 346.410483] ? __switch_to_asm+0x34/0x70 [ 346.414559] ? __switch_to_asm+0x34/0x70 [ 346.418631] ? zap_class+0x640/0x640 [ 346.422343] ? zap_class+0x640/0x640 [ 346.426057] ? __x64_sys_futex+0x53e/0x6a0 [ 346.430295] ? find_held_lock+0x36/0x1c0 [ 346.434365] ? handle_mm_fault+0x42a/0xc70 [ 346.438619] ? lock_downgrade+0x900/0x900 [ 346.442781] ? check_preemption_disabled+0x48/0x280 [ 346.447804] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 346.452736] ? kasan_check_read+0x11/0x20 [ 346.456880] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.462155] ? rcu_softirq_qs+0x20/0x20 [ 346.466128] ? trace_hardirqs_off_caller+0x310/0x310 [ 346.471235] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.476777] ? check_preemption_disabled+0x48/0x280 [ 346.481801] handle_mm_fault+0x54f/0xc70 [ 346.485872] ? __handle_mm_fault+0x5be0/0x5be0 [ 346.490482] ? find_vma+0x34/0x190 [ 346.494076] __do_page_fault+0x5e8/0xe60 [ 346.498138] ? trace_hardirqs_off+0xb8/0x310 [ 346.502570] do_page_fault+0xf2/0x7e0 [ 346.506375] ? vmalloc_sync_all+0x30/0x30 [ 346.510554] ? error_entry+0x70/0xd0 [ 346.514301] ? trace_hardirqs_off_caller+0xbb/0x310 [ 346.519316] ? trace_hardirqs_on_caller+0xc0/0x310 [ 346.524251] ? syscall_return_slowpath+0x5e0/0x5e0 [ 346.529179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.534025] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.539054] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 346.544537] ? prepare_exit_to_usermode+0x291/0x3b0 [ 346.549595] ? page_fault+0x8/0x30 [ 346.553144] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.557990] ? page_fault+0x8/0x30 [ 346.561537] page_fault+0x1e/0x30 [ 346.564987] RIP: 0033:0x45ddf3 [ 346.568203] Code: Bad RIP value. [ 346.571562] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 346.576936] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 346.584228] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 346.591494] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 346.598758] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 346.606025] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 346.613314] warn_alloc_show_mem: 1 callbacks suppressed [ 346.613326] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 346.613328] Mem-Info: [ 346.613361] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 346.613361] active_file:10 inactive_file:13 isolated_file:0 [ 346.613361] unevictable:0 dirty:0 writeback:0 unstable:0 [ 346.613361] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 346.613361] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 346.613361] free:13776 free_pcp:523 free_cma:0 [ 346.618702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.625729] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 346.628139] Call Trace: [ 346.661178] 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 [ 346.670521] [ 346.698178] lowmem_reserve[]: 0 2818 6321 6321 [ 346.700760] dump_stack+0x244/0x39d [ 346.726838] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 346.728987] ? dump_stack_print_info.cold.1+0x20/0x20 [ 346.733541] lowmem_reserve[]: 0 0 3503 3503 [ 346.737651] warn_alloc.cold.116+0xb7/0x1bd [ 346.764970] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 346.770162] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 346.774456] lowmem_reserve[]: 0 0 0 0 [ 346.778776] ? lock_downgrade+0x900/0x900 [ 346.807820] 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 [ 346.812657] ? trace_hardirqs_off+0xb8/0x310 [ 346.816428] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 346.820578] ? trace_hardirqs_off+0xb8/0x310 [ 346.834074] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 346.838480] __alloc_pages_slowpath+0x2651/0x2de0 [ 346.853541] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 346.857976] ? warn_alloc+0x120/0x120 [ 346.872335] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 346.877164] ? __lock_acquire+0x62f/0x4c20 [ 346.885972] 1516 total pagecache pages [ 346.889764] ? warn_alloc+0x120/0x120 [ 346.898326] 0 pages in swap cache [ 346.902547] ? warn_alloc+0x120/0x120 [ 346.906425] Swap cache stats: add 0, delete 0, find 0/0 [ 346.910230] ? print_usage_bug+0xc0/0xc0 [ 346.913682] Free swap = 0kB [ 346.917494] ? print_usage_bug+0xc0/0xc0 [ 346.922831] Total swap = 0kB [ 346.926885] ? trace_hardirqs_off+0xb8/0x310 [ 346.929879] 1965979 pages RAM [ 346.933941] ? trace_hardirqs_on+0x310/0x310 [ 346.936952] 0 pages HighMem/MovableOnly [ 346.941358] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.944436] 342854 pages reserved [ 346.948841] ? should_fail+0x22d/0xd01 [ 346.952786] 0 pages cma reserved [ 346.958331] ? run_posix_cpu_timers+0x6b0/0x23d0 [ 346.961816] aoe: skb alloc failure [ 346.965638] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.969042] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 346.973736] ? __lock_acquire+0x62f/0x4c20 [ 346.977251] syz-fuzzer cpuset=/ mems_allowed=0 [ 346.982369] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.006462] ? __lock_acquire+0x62f/0x4c20 [ 347.010694] ? should_fail+0x22d/0xd01 [ 347.014583] ? debug_smp_processor_id+0x1c/0x20 [ 347.019259] ? mark_held_locks+0x130/0x130 [ 347.023503] ? mark_held_locks+0x130/0x130 [ 347.027758] ? nohz_balance_enter_idle+0x6c0/0x6c0 [ 347.032693] ? zap_class+0x640/0x640 [ 347.036471] ? print_usage_bug+0xc0/0xc0 [ 347.040546] ? __lock_acquire+0x62f/0x4c20 [ 347.044787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.050324] ? check_preemption_disabled+0x48/0x280 [ 347.055350] ? __lock_is_held+0xb5/0x140 [ 347.059418] __alloc_pages_nodemask+0xad8/0xea0 [ 347.064093] ? zap_class+0x640/0x640 [ 347.067814] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 347.072842] ? find_held_lock+0x36/0x1c0 [ 347.076917] ? ____cache_alloc_node+0x1c7/0x1e0 [ 347.081612] ? lock_downgrade+0x900/0x900 [ 347.085769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.091314] cache_grow_begin+0xa5/0x8c0 [ 347.095381] ? do_raw_spin_unlock+0xa7/0x330 [ 347.099806] fallback_alloc+0x204/0x2e0 [ 347.103795] ____cache_alloc_node+0x1c7/0x1e0 [ 347.108336] kmem_cache_alloc_node+0xe3/0x730 [ 347.112839] ? ipv6_get_ifaddr+0x42e/0x620 [ 347.117083] __alloc_skb+0x119/0x770 [ 347.120798] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.126080] ? netdev_alloc_frag+0x1f0/0x1f0 [ 347.130507] ? lock_downgrade+0x900/0x900 [ 347.134663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.140201] ? refcount_sub_and_test_checked+0x203/0x310 [ 347.145656] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 347.151106] ? addrconf_rs_timer+0x690/0x690 [ 347.155528] ndisc_alloc_skb+0x144/0x340 [ 347.159608] ndisc_send_rs+0x331/0x6e0 [ 347.163529] addrconf_rs_timer+0x314/0x690 [ 347.167789] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.172033] call_timer_fn+0x272/0x920 [ 347.175921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.180181] ? process_timeout+0x40/0x40 [ 347.184255] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 347.189719] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 347.194498] ? retint_kernel+0x2d/0x2d [ 347.198397] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.202662] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.206918] __run_timers+0x7e5/0xc70 [ 347.210752] ? timer_fixup_init+0x70/0x70 [ 347.215005] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 347.220027] ? zap_class+0x640/0x640 [ 347.223761] ? print_usage_bug+0xc0/0xc0 [ 347.227834] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 347.233046] ? find_held_lock+0x36/0x1c0 [ 347.237112] ? zap_class+0x640/0x640 [ 347.240834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.246386] ? check_preemption_disabled+0x48/0x280 [ 347.251421] ? __lock_is_held+0xb5/0x140 [ 347.255490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.261031] ? check_preemption_disabled+0x48/0x280 [ 347.266051] run_timer_softirq+0x52/0xb0 [ 347.270113] ? rcu_read_lock_sched_held+0x14f/0x180 [ 347.275133] __do_softirq+0x308/0xb7e [ 347.278942] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 347.283446] ? lock_downgrade+0x900/0x900 [ 347.287598] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 347.292709] ? pvclock_read_flags+0x160/0x160 [ 347.297221] ? lapic_next_event+0x5a/0x90 [ 347.301370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.306914] ? kvm_clock_read+0x18/0x30 [ 347.310899] ? kvm_sched_clock_read+0x9/0x20 [ 347.315343] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.320881] ? check_preemption_disabled+0x48/0x280 [ 347.325965] irq_exit+0x17f/0x1c0 [ 347.329436] smp_apic_timer_interrupt+0x1cb/0x760 [ 347.334294] ? smp_reschedule_interrupt+0x109/0x650 [ 347.339326] ? smp_call_function_single_interrupt+0x650/0x650 [ 347.345222] ? interrupt_entry+0xb5/0xc0 [ 347.349286] ? trace_hardirqs_off_caller+0xbb/0x310 [ 347.354301] ? trace_hardirqs_off_caller+0xbb/0x310 [ 347.359330] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.364174] ? trace_hardirqs_on_caller+0x310/0x310 [ 347.369192] ? trace_hardirqs_on_caller+0x310/0x310 [ 347.374207] ? task_prio+0x50/0x50 [ 347.377756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.383298] ? check_preemption_disabled+0x48/0x280 [ 347.388319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.393170] apic_timer_interrupt+0xf/0x20 [ 347.397400] [ 347.399638] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 347.404574] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 347.423503] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 347.431208] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 347.438476] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 347.445761] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 347.453033] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 347.460298] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 347.467660] rcu_read_lock_held+0xa9/0xc0 [ 347.471811] list_lru_count_one+0x31a/0x450 [ 347.476137] ? list_lru_isolate_move+0x3c0/0x3c0 [ 347.480895] ? deferred_split_count+0x65/0x170 [ 347.485485] ? shrink_huge_zero_page_count+0xc8/0x100 [ 347.490699] super_cache_count+0x153/0x2e0 [ 347.494994] do_shrink_slab+0x1b1/0xd30 [ 347.498980] ? lock_acquire+0x1ed/0x520 [ 347.502966] ? snapshot_refaults+0x290/0x290 [ 347.507376] ? lock_release+0xa00/0xa00 [ 347.511355] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 347.516293] ? down_read_trylock+0xda/0x140 [ 347.520626] ? shrink_slab+0x207/0x8c0 [ 347.524513] ? downgrade_write+0x270/0x270 [ 347.528760] shrink_slab+0x389/0x8c0 [ 347.532475] ? shrink_active_list+0x1f00/0x1f00 [ 347.537150] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 347.542780] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 347.547897] ? cgroup_procs_write_finish+0xf0/0xf0 [ 347.552888] ? find_held_lock+0x36/0x1c0 [ 347.556960] shrink_node+0x431/0x16b0 [ 347.560768] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 347.566076] ? shrink_node_memcg+0x18f0/0x18f0 [ 347.570666] ? kvm_clock_read+0x18/0x30 [ 347.574641] ? ktime_get+0x2c1/0x400 [ 347.578358] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 347.582856] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 347.588393] ? __cpuset_node_allowed+0x19b/0x660 [ 347.593154] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 347.598866] ? delayacct_end+0x5a/0x100 [ 347.602846] do_try_to_free_pages+0x3e7/0x1290 [ 347.607719] ? zap_class+0x640/0x640 [ 347.611459] ? shrink_node+0x16b0/0x16b0 [ 347.615521] ? __lock_is_held+0xb5/0x140 [ 347.619619] try_to_free_pages+0x4d0/0xb90 [ 347.623859] ? do_try_to_free_pages+0x1290/0x1290 [ 347.628718] ? lock_acquire+0x1ed/0x520 [ 347.632701] ? set_page_refcounted+0x280/0x280 [ 347.637288] ? lock_release+0xa00/0xa00 [ 347.641265] ? _raw_spin_unlock_irq+0x60/0x80 [ 347.645790] ? psi_memstall_enter+0x240/0x2b0 [ 347.650287] ? psi_memstall_tick+0x230/0x230 [ 347.654809] __alloc_pages_slowpath+0xa48/0x2de0 [ 347.659608] ? warn_alloc+0x120/0x120 [ 347.663406] ? mark_held_locks+0x130/0x130 [ 347.667651] ? find_get_entry+0xaae/0x1120 [ 347.671894] ? filemap_map_pages+0x1a20/0x1a20 [ 347.676480] ? zap_class+0x640/0x640 [ 347.680197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.685740] ? check_preemption_disabled+0x48/0x280 [ 347.690765] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.696300] ? should_fail+0x22d/0xd01 [ 347.700195] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.705303] ? zap_class+0x640/0x640 [ 347.709046] ? __lock_is_held+0xb5/0x140 [ 347.713114] ? mark_held_locks+0x130/0x130 [ 347.717353] ? lock_release+0xa00/0xa00 [ 347.721326] ? perf_trace_sched_process_exec+0x860/0x860 [ 347.726771] ? xa_load+0x2ba/0x460 [ 347.730314] ? lock_downgrade+0x900/0x900 [ 347.734474] ? __might_sleep+0x95/0x190 [ 347.738461] __alloc_pages_nodemask+0xad8/0xea0 [ 347.743135] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 347.748149] ? __page_cache_alloc+0x191/0x5c0 [ 347.752657] ? xa_load+0x2e1/0x460 [ 347.756197] ? xa_clear_mark+0x40/0x40 [ 347.760089] ? zap_class+0x640/0x640 [ 347.763820] ? zap_class+0x640/0x640 [ 347.767532] ? zap_class+0x640/0x640 [ 347.771247] ? __do_page_cache_readahead+0x663/0x810 [ 347.776354] ? find_held_lock+0x36/0x1c0 [ 347.780418] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 347.786083] alloc_pages_current+0x173/0x350 [ 347.790497] __page_cache_alloc+0x38c/0x5c0 [ 347.794846] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.799777] ? kasan_check_read+0x11/0x20 [ 347.803921] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.809208] ? generic_perform_write+0x6a0/0x6a0 [ 347.813968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.819503] ? check_preemption_disabled+0x48/0x280 [ 347.824528] filemap_fault+0x1595/0x25f0 [ 347.828602] ? __lock_page_or_retry+0xa00/0xa00 [ 347.833275] ? mark_held_locks+0x130/0x130 [ 347.837518] ? filemap_map_pages+0xd6b/0x1a20 [ 347.842029] ? lock_downgrade+0x900/0x900 [ 347.846190] ? check_preemption_disabled+0x48/0x280 [ 347.851220] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.856159] ? kasan_check_read+0x11/0x20 [ 347.860308] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.865595] ? rcu_softirq_qs+0x20/0x20 [ 347.869579] ? filemap_map_pages+0xd92/0x1a20 [ 347.874082] ? print_usage_bug+0xc0/0xc0 [ 347.878167] ? find_get_entries_tag+0x1400/0x1400 [ 347.883010] ? __kasan_slab_free+0x102/0x150 [ 347.887431] ? kasan_slab_free+0xe/0x10 [ 347.891421] ? kmem_cache_free+0x83/0x290 [ 347.895576] ? __sigqueue_free.part.29+0x74/0x90 [ 347.900353] ? lock_acquire+0x1ed/0x520 [ 347.904325] ? ext4_filemap_fault+0x7a/0xad [ 347.908652] ? lock_release+0xa00/0xa00 [ 347.912628] ? perf_trace_sched_process_exec+0x860/0x860 [ 347.918079] ? print_usage_bug+0xc0/0xc0 [ 347.922143] ? print_usage_bug+0xc0/0xc0 [ 347.926214] ? down_read+0x8d/0x120 [ 347.929853] ? ext4_filemap_fault+0x7a/0xad [ 347.934175] ? __down_interruptible+0x700/0x700 [ 347.938854] ext4_filemap_fault+0x82/0xad [ 347.943045] __do_fault+0x100/0x6b0 [ 347.946678] ? pmd_devmap_trans_unstable+0x220/0x220 [ 347.951784] ? mark_held_locks+0x130/0x130 [ 347.956021] ? mark_held_locks+0x130/0x130 [ 347.960296] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 347.965839] ? rcu_pm_notify+0xc0/0xc0 [ 347.969740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.975284] __handle_mm_fault+0x3ea0/0x5be0 [ 347.979718] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 347.984591] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.989090] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 347.993678] ? trace_hardirqs_on+0xbd/0x310 [ 347.998015] ? kasan_check_read+0x11/0x20 [ 348.002180] ? __set_current_blocked+0xdf/0x120 [ 348.006852] ? trace_hardirqs_off_caller+0x310/0x310 [ 348.011984] ? zap_class+0x640/0x640 [ 348.015698] ? zap_class+0x640/0x640 [ 348.019459] ? find_held_lock+0x36/0x1c0 [ 348.023546] ? handle_mm_fault+0x42a/0xc70 [ 348.027781] ? lock_downgrade+0x900/0x900 [ 348.031938] ? check_preemption_disabled+0x48/0x280 [ 348.036964] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 348.041923] ? kasan_check_read+0x11/0x20 [ 348.046078] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 348.051358] ? rcu_softirq_qs+0x20/0x20 [ 348.055376] ? trace_hardirqs_off_caller+0x310/0x310 [ 348.060481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.066018] ? check_preemption_disabled+0x48/0x280 [ 348.071045] handle_mm_fault+0x54f/0xc70 [ 348.075111] ? __handle_mm_fault+0x5be0/0x5be0 [ 348.079707] ? find_vma+0x34/0x190 [ 348.083255] __do_page_fault+0x5e8/0xe60 [ 348.087321] ? exit_to_usermode_loop+0x1f4/0x380 [ 348.092085] do_page_fault+0xf2/0x7e0 [ 348.095886] ? vmalloc_sync_all+0x30/0x30 [ 348.100037] ? error_entry+0x70/0xd0 [ 348.103752] ? trace_hardirqs_off_caller+0xbb/0x310 [ 348.108769] ? trace_hardirqs_on_caller+0xc0/0x310 [ 348.113711] ? syscall_return_slowpath+0x5e0/0x5e0 [ 348.118637] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.123480] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.128494] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.133957] ? prepare_exit_to_usermode+0x291/0x3b0 [ 348.138978] ? page_fault+0x8/0x30 [ 348.142523] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.147369] ? page_fault+0x8/0x30 [ 348.150953] page_fault+0x1e/0x30 [ 348.154404] RIP: 0033:0x45db60 [ 348.157606] Code: Bad RIP value. [ 348.160969] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 348.166332] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 348.173625] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 348.180892] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 348.188162] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 348.195462] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 348.202755] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 348.202825] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 348.209775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.209780] Call Trace: [ 348.209787] [ 348.209805] dump_stack+0x244/0x39d [ 348.209824] ? dump_stack_print_info.cold.1+0x20/0x20 [ 348.216359] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 348.225656] warn_alloc.cold.116+0xb7/0x1bd [ 348.228210] syz-fuzzer cpuset=/ mems_allowed=0 [ 348.230352] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 348.263065] ? lock_downgrade+0x900/0x900 [ 348.267236] ? trace_hardirqs_off+0xb8/0x310 [ 348.271670] ? trace_hardirqs_off+0xb8/0x310 [ 348.276098] __alloc_pages_slowpath+0x2651/0x2de0 [ 348.280980] ? warn_alloc+0x120/0x120 [ 348.284791] ? warn_alloc+0x120/0x120 [ 348.288596] ? warn_alloc+0x120/0x120 [ 348.292400] ? print_usage_bug+0xc0/0xc0 [ 348.296466] ? print_usage_bug+0xc0/0xc0 [ 348.300540] ? ktime_get+0x2c1/0x400 [ 348.304260] ? check_preemption_disabled+0x48/0x280 [ 348.309276] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 348.313798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.319335] ? should_fail+0x22d/0xd01 [ 348.323223] ? kasan_check_read+0x11/0x20 [ 348.327421] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.332535] ? __lock_acquire+0x62f/0x4c20 [ 348.336792] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.341896] ? should_fail+0x22d/0xd01 [ 348.345786] ? print_usage_bug+0xc0/0xc0 [ 348.349855] ? mark_held_locks+0x130/0x130 [ 348.354091] ? mark_held_locks+0x130/0x130 [ 348.358328] ? check_preemption_disabled+0x48/0x280 [ 348.363352] ? zap_class+0x640/0x640 [ 348.367068] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 348.371826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.377379] ? check_preemption_disabled+0x48/0x280 [ 348.382420] ? __lock_is_held+0xb5/0x140 [ 348.386486] __alloc_pages_nodemask+0xad8/0xea0 [ 348.391155] ? zap_class+0x640/0x640 [ 348.394919] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 348.399985] ? find_held_lock+0x36/0x1c0 [ 348.404058] ? ____cache_alloc_node+0x1c7/0x1e0 [ 348.408727] ? lock_downgrade+0x900/0x900 [ 348.412882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.418426] cache_grow_begin+0xa5/0x8c0 [ 348.422490] ? do_raw_spin_unlock+0xa7/0x330 [ 348.426936] fallback_alloc+0x204/0x2e0 [ 348.430924] ____cache_alloc_node+0x1c7/0x1e0 [ 348.435438] kmem_cache_alloc_node+0xe3/0x730 [ 348.439951] ? lockdep_hardirqs_on+0x296/0x5b0 [ 348.444543] __alloc_skb+0x119/0x770 [ 348.448256] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 348.453630] ? netdev_alloc_frag+0x1f0/0x1f0 [ 348.458046] ? vprintk_default+0x28/0x30 [ 348.462106] ? vprintk_func+0x85/0x181 [ 348.465995] ? printk+0xa7/0xcf [ 348.469274] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 348.474036] ? do_raw_spin_trylock+0x270/0x270 [ 348.478623] new_skb+0x26/0x1c0 [ 348.481903] aoecmd_cfg+0x279/0x7f0 [ 348.485546] ? find_held_lock+0x36/0x1c0 [ 348.489615] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 348.493960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.499508] ? __lock_is_held+0xb5/0x140 [ 348.503608] discover_timer+0x50/0x60 [ 348.507438] call_timer_fn+0x272/0x920 [ 348.511336] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 348.516178] ? process_timeout+0x40/0x40 [ 348.520253] ? mark_held_locks+0xc7/0x130 [ 348.524412] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.528909] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.533416] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 348.538260] ? lockdep_hardirqs_on+0x296/0x5b0 [ 348.542845] ? trace_hardirqs_on+0xbd/0x310 [ 348.547167] ? kasan_check_read+0x11/0x20 [ 348.551310] ? __run_timers+0x7da/0xc70 [ 348.555289] ? trace_hardirqs_off_caller+0x310/0x310 [ 348.560408] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 348.565251] __run_timers+0x7e5/0xc70 [ 348.569065] ? timer_fixup_init+0x70/0x70 [ 348.573221] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 348.578241] ? zap_class+0x640/0x640 [ 348.581980] ? print_usage_bug+0xc0/0xc0 [ 348.586042] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 348.591277] ? find_held_lock+0x36/0x1c0 [ 348.595341] ? zap_class+0x640/0x640 [ 348.599072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.604989] ? check_preemption_disabled+0x48/0x280 [ 348.610019] ? __lock_is_held+0xb5/0x140 [ 348.614078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.619631] ? check_preemption_disabled+0x48/0x280 [ 348.624664] run_timer_softirq+0x52/0xb0 [ 348.628727] ? rcu_read_lock_sched_held+0x14f/0x180 [ 348.633743] __do_softirq+0x308/0xb7e [ 348.637548] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 348.642046] ? lock_downgrade+0x900/0x900 [ 348.646203] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 348.651314] ? pvclock_read_flags+0x160/0x160 [ 348.655815] ? lapic_next_event+0x5a/0x90 [ 348.659977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.665565] ? kvm_clock_read+0x18/0x30 [ 348.669553] ? kvm_sched_clock_read+0x9/0x20 [ 348.673974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.679514] ? check_preemption_disabled+0x48/0x280 [ 348.684546] irq_exit+0x17f/0x1c0 [ 348.688021] smp_apic_timer_interrupt+0x1cb/0x760 [ 348.692865] ? smp_reschedule_interrupt+0x109/0x650 [ 348.697882] ? smp_call_function_single_interrupt+0x650/0x650 [ 348.703779] ? interrupt_entry+0xb5/0xc0 [ 348.707845] ? trace_hardirqs_off_caller+0xbb/0x310 [ 348.712870] ? trace_hardirqs_off_caller+0xbb/0x310 [ 348.717887] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.722733] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.727783] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.732800] ? task_prio+0x50/0x50 [ 348.736490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.742029] ? check_preemption_disabled+0x48/0x280 [ 348.747059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.751914] apic_timer_interrupt+0xf/0x20 [ 348.756156] [ 348.758394] RIP: 0010:console_unlock+0x102f/0x1190 [ 348.763358] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 348.782271] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 348.789981] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 348.797246] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 348.804513] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 348.811794] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 348.819077] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 348.826351] ? netconsole_netdev_event+0x280/0x280 [ 348.831293] ? console_unlock+0x1026/0x1190 [ 348.835630] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 348.840306] ? lock_release+0xa00/0xa00 [ 348.844285] ? retint_kernel+0x2d/0x2d [ 348.848187] vprintk_emit+0x391/0x990 [ 348.851995] ? wake_up_klogd+0x180/0x180 [ 348.856060] ? match_held_lock+0x811/0x8d0 [ 348.860318] ? mark_held_locks+0xc7/0x130 [ 348.864465] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.868988] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.873521] vprintk_default+0x28/0x30 [ 348.877431] vprintk_func+0x7e/0x181 [ 348.881147] printk+0xa7/0xcf [ 348.884282] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 348.889057] ? _raw_spin_unlock_irq+0x60/0x80 [ 348.893563] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 348.898868] dump_header+0x7cc/0xf72 [ 348.902591] ? pagefault_out_of_memory+0x197/0x197 [ 348.907531] ? __lock_acquire+0x62f/0x4c20 [ 348.911770] ? percpu_ref_get_many+0x240/0x240 [ 348.916371] ? print_usage_bug+0xc0/0xc0 [ 348.920442] ? zap_class+0x640/0x640 [ 348.924173] ? print_usage_bug+0xc0/0xc0 [ 348.928247] ? zap_class+0x640/0x640 [ 348.931980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.937546] ? find_held_lock+0x36/0x1c0 [ 348.941631] ? mark_held_locks+0xc7/0x130 [ 348.945779] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 348.950884] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 348.955988] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 348.960591] ? trace_hardirqs_on+0xbd/0x310 [ 348.964913] ? kasan_check_read+0x11/0x20 [ 348.969089] ? ___ratelimit+0x3b4/0x672 [ 348.973084] ? trace_hardirqs_off_caller+0x310/0x310 [ 348.978190] ? trace_hardirqs_on+0x310/0x310 [ 348.982600] ? lock_downgrade+0x900/0x900 [ 348.986753] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 348.991859] ? ___ratelimit+0x3b9/0x672 [ 348.995834] ? idr_get_free+0xf70/0xf70 [ 348.999806] ? find_held_lock+0x36/0x1c0 [ 349.003880] oom_kill_process.cold.27+0x10/0x903 [ 349.008651] ? zap_class+0x640/0x640 [ 349.012366] ? check_preemption_disabled+0x48/0x280 [ 349.017386] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.022316] ? kasan_check_read+0x11/0x20 [ 349.026464] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.031742] ? oom_evaluate_task+0x540/0x540 [ 349.036153] ? find_held_lock+0x36/0x1c0 [ 349.040224] ? out_of_memory+0x974/0x1430 [ 349.044374] ? lock_downgrade+0x900/0x900 [ 349.048522] ? check_preemption_disabled+0x48/0x280 [ 349.053557] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.058487] ? kasan_check_read+0x11/0x20 [ 349.062639] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.067915] ? rcu_softirq_qs+0x20/0x20 [ 349.071905] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 349.077470] ? oom_evaluate_task+0x302/0x540 [ 349.081896] out_of_memory+0xa84/0x1430 [ 349.085882] ? oom_killer_disable+0x3a0/0x3a0 [ 349.090378] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 349.095316] ? __ww_mutex_check_waiters+0x160/0x160 [ 349.100345] __alloc_pages_slowpath+0x232c/0x2de0 [ 349.105216] ? warn_alloc+0x120/0x120 [ 349.109031] ? mark_held_locks+0x130/0x130 [ 349.113275] ? find_get_entry+0xaae/0x1120 [ 349.117522] ? filemap_map_pages+0x1a20/0x1a20 [ 349.122110] ? zap_class+0x640/0x640 [ 349.125830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.131371] ? check_preemption_disabled+0x48/0x280 [ 349.136385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.141937] ? should_fail+0x22d/0xd01 [ 349.145854] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.150967] ? zap_class+0x640/0x640 [ 349.154706] ? __lock_is_held+0xb5/0x140 [ 349.158777] ? mark_held_locks+0x130/0x130 [ 349.163014] ? lock_release+0xa00/0xa00 [ 349.166993] ? perf_trace_sched_process_exec+0x860/0x860 [ 349.172454] ? xa_load+0x2ba/0x460 [ 349.175995] ? lock_downgrade+0x900/0x900 [ 349.180153] ? __might_sleep+0x95/0x190 [ 349.184137] __alloc_pages_nodemask+0xad8/0xea0 [ 349.188810] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 349.193841] ? __page_cache_alloc+0x191/0x5c0 [ 349.198329] ? xa_load+0x2e1/0x460 [ 349.201868] ? xa_clear_mark+0x40/0x40 [ 349.205751] ? zap_class+0x640/0x640 [ 349.209465] ? zap_class+0x640/0x640 [ 349.213192] ? zap_class+0x640/0x640 [ 349.216908] ? zap_class+0x640/0x640 [ 349.220637] ? __do_page_cache_readahead+0x663/0x810 [ 349.225745] ? find_held_lock+0x36/0x1c0 [ 349.229814] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 349.235372] alloc_pages_current+0x173/0x350 [ 349.239802] __page_cache_alloc+0x38c/0x5c0 [ 349.244120] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.249048] ? kasan_check_read+0x11/0x20 [ 349.253195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.258473] ? generic_perform_write+0x6a0/0x6a0 [ 349.263248] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.268789] ? check_preemption_disabled+0x48/0x280 [ 349.273814] filemap_fault+0x1595/0x25f0 [ 349.277890] ? __lock_page_or_retry+0xa00/0xa00 [ 349.282581] ? mark_held_locks+0x130/0x130 [ 349.286837] ? filemap_map_pages+0xd6b/0x1a20 [ 349.291333] ? lock_downgrade+0x900/0x900 [ 349.295481] ? check_preemption_disabled+0x48/0x280 [ 349.300500] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.305430] ? kasan_check_read+0x11/0x20 [ 349.309580] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.314881] ? rcu_softirq_qs+0x20/0x20 [ 349.318893] ? filemap_map_pages+0xd92/0x1a20 [ 349.323397] ? queue_work_on+0x12c/0x1e0 [ 349.327470] ? find_get_entries_tag+0x1400/0x1400 [ 349.332325] ? debug_object_destroy+0x2b0/0x2b0 [ 349.336999] ? lock_pi_update_atomic+0x150/0x150 [ 349.341776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.347343] ? lock_acquire+0x1ed/0x520 [ 349.351324] ? ext4_filemap_fault+0x7a/0xad [ 349.355681] ? lock_release+0xa00/0xa00 [ 349.359672] ? perf_trace_sched_process_exec+0x860/0x860 [ 349.365128] ? print_usage_bug+0xc0/0xc0 [ 349.369193] ? print_usage_bug+0xc0/0xc0 [ 349.373278] ? down_read+0x8d/0x120 [ 349.376904] ? ext4_filemap_fault+0x7a/0xad [ 349.381253] ? __down_interruptible+0x700/0x700 [ 349.385947] ext4_filemap_fault+0x82/0xad [ 349.390107] __do_fault+0x100/0x6b0 [ 349.393751] ? perf_tp_event+0xc20/0xc20 [ 349.397825] ? pmd_devmap_trans_unstable+0x220/0x220 [ 349.402995] ? mark_held_locks+0x130/0x130 [ 349.407240] ? mark_held_locks+0x130/0x130 [ 349.411495] ? debug_smp_processor_id+0x1c/0x20 [ 349.416165] ? perf_trace_lock+0x14d/0x7a0 [ 349.420405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.425978] __handle_mm_fault+0x3ea0/0x5be0 [ 349.430397] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 349.435247] ? lock_is_held_type+0x210/0x210 [ 349.439678] ? __switch_to_asm+0x34/0x70 [ 349.443751] ? __switch_to_asm+0x34/0x70 [ 349.447843] ? zap_class+0x640/0x640 [ 349.451559] ? zap_class+0x640/0x640 [ 349.455270] ? __x64_sys_futex+0x53e/0x6a0 [ 349.459521] ? find_held_lock+0x36/0x1c0 [ 349.463590] ? handle_mm_fault+0x42a/0xc70 [ 349.467834] ? lock_downgrade+0x900/0x900 [ 349.471984] ? check_preemption_disabled+0x48/0x280 [ 349.477003] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.481949] ? kasan_check_read+0x11/0x20 [ 349.486098] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.491389] ? rcu_softirq_qs+0x20/0x20 [ 349.495364] ? trace_hardirqs_off_caller+0x310/0x310 [ 349.500466] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.506016] ? check_preemption_disabled+0x48/0x280 [ 349.511041] handle_mm_fault+0x54f/0xc70 [ 349.515135] ? __handle_mm_fault+0x5be0/0x5be0 [ 349.519720] ? find_vma+0x34/0x190 [ 349.523272] __do_page_fault+0x5e8/0xe60 [ 349.527347] ? trace_hardirqs_off+0xb8/0x310 [ 349.531764] do_page_fault+0xf2/0x7e0 [ 349.535583] ? vmalloc_sync_all+0x30/0x30 [ 349.539728] ? error_entry+0x70/0xd0 [ 349.543444] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.548459] ? trace_hardirqs_on_caller+0xc0/0x310 [ 349.553406] ? syscall_return_slowpath+0x5e0/0x5e0 [ 349.558336] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.563178] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.568195] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 349.573651] ? prepare_exit_to_usermode+0x291/0x3b0 [ 349.578670] ? page_fault+0x8/0x30 [ 349.582232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.587091] ? page_fault+0x8/0x30 [ 349.590634] page_fault+0x1e/0x30 [ 349.594101] RIP: 0033:0x45ddf3 [ 349.597313] Code: Bad RIP value. [ 349.600677] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 349.606574] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 349.613854] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 349.621121] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 349.628389] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 349.635652] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 349.642954] warn_alloc_show_mem: 1 callbacks suppressed [ 349.642965] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 349.642967] Mem-Info: [ 349.643013] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 349.643013] active_file:10 inactive_file:13 isolated_file:0 [ 349.643013] unevictable:0 dirty:0 writeback:0 unstable:0 [ 349.643013] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 349.643013] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 349.643013] free:13776 free_pcp:523 free_cma:0 [ 349.648359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.655378] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 349.657774] Call Trace: [ 349.690810] 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 [ 349.700157] [ 349.727822] lowmem_reserve[]: 0 2818 6321 6321 [ 349.730402] dump_stack+0x244/0x39d [ 349.756481] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 349.758628] ? dump_stack_print_info.cold.1+0x20/0x20 [ 349.763184] lowmem_reserve[]: 0 0 3503 3503 [ 349.766811] warn_alloc.cold.116+0xb7/0x1bd [ 349.794104] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 349.799287] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 349.803593] lowmem_reserve[]: 0 0 0 0 [ 349.807919] ? lock_downgrade+0x900/0x900 [ 349.836992] 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 [ 349.841839] ? trace_hardirqs_off+0xb8/0x310 [ 349.845624] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 349.849782] ? trace_hardirqs_off+0xb8/0x310 [ 349.863302] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 349.867744] __alloc_pages_slowpath+0x2651/0x2de0 [ 349.882810] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 349.887229] ? warn_alloc+0x120/0x120 [ 349.901577] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 349.906419] ? print_usage_bug+0xc0/0xc0 [ 349.915231] 1516 total pagecache pages [ 349.919039] ? warn_alloc+0x120/0x120 [ 349.927595] 0 pages in swap cache [ 349.931653] ? warn_alloc+0x120/0x120 [ 349.935517] Swap cache stats: add 0, delete 0, find 0/0 [ 349.939308] ? print_usage_bug+0xc0/0xc0 [ 349.942757] Free swap = 0kB [ 349.946576] ? print_usage_bug+0xc0/0xc0 [ 349.951912] Total swap = 0kB [ 349.955974] ? __lock_acquire+0x62f/0x4c20 [ 349.958971] 1965979 pages RAM [ 349.963025] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.966019] 0 pages HighMem/MovableOnly [ 349.970250] ? should_fail+0x22d/0xd01 [ 349.973328] 342854 pages reserved [ 349.978857] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.982807] 0 pages cma reserved [ 349.986704] ? __lock_acquire+0x62f/0x4c20 [ 349.990191] aoe: skb alloc failure [ 349.995230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.998653] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.002800] ? __lock_acquire+0x62f/0x4c20 [ 350.006318] syz-fuzzer cpuset=/ mems_allowed=0 [ 350.011413] ? should_fail+0x22d/0xd01 [ 350.034283] ? find_held_lock+0x36/0x1c0 [ 350.038353] ? mark_held_locks+0x130/0x130 [ 350.042592] ? mark_held_locks+0x130/0x130 [ 350.046838] ? zap_class+0x640/0x640 [ 350.050554] ? zap_class+0x640/0x640 [ 350.054274] ? print_usage_bug+0xc0/0xc0 [ 350.058337] ? do_raw_spin_unlock+0xa7/0x330 [ 350.062766] ? zap_class+0x640/0x640 [ 350.066484] ? print_usage_bug+0xc0/0xc0 [ 350.070547] ? wq_watchdog_touch+0x9c/0xfe [ 350.074786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.080327] ? check_preemption_disabled+0x48/0x280 [ 350.085357] ? __lock_is_held+0xb5/0x140 [ 350.089426] __alloc_pages_nodemask+0xad8/0xea0 [ 350.094097] ? zap_class+0x640/0x640 [ 350.097818] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 350.102864] ? find_held_lock+0x36/0x1c0 [ 350.106983] ? ____cache_alloc_node+0x1c7/0x1e0 [ 350.111654] ? lock_downgrade+0x900/0x900 [ 350.115813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.121354] cache_grow_begin+0xa5/0x8c0 [ 350.125415] ? do_raw_spin_unlock+0xa7/0x330 [ 350.129839] fallback_alloc+0x204/0x2e0 [ 350.133820] ____cache_alloc_node+0x1c7/0x1e0 [ 350.138321] kmem_cache_alloc_node+0xe3/0x730 [ 350.142815] ? ipv6_get_ifaddr+0x42e/0x620 [ 350.147055] __alloc_skb+0x119/0x770 [ 350.150788] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.156066] ? netdev_alloc_frag+0x1f0/0x1f0 [ 350.160479] ? lock_downgrade+0x900/0x900 [ 350.164634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.170174] ? refcount_sub_and_test_checked+0x203/0x310 [ 350.175630] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 350.181084] ? addrconf_rs_timer+0x690/0x690 [ 350.185524] ndisc_alloc_skb+0x144/0x340 [ 350.189604] ndisc_send_rs+0x331/0x6e0 [ 350.193498] addrconf_rs_timer+0x314/0x690 [ 350.197755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.202001] call_timer_fn+0x272/0x920 [ 350.205887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.210122] ? process_timeout+0x40/0x40 [ 350.214197] ? mark_held_locks+0xc7/0x130 [ 350.218347] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.222843] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.227339] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.231573] ? lockdep_hardirqs_on+0x296/0x5b0 [ 350.236158] ? trace_hardirqs_on+0xbd/0x310 [ 350.240478] ? kasan_check_read+0x11/0x20 [ 350.244626] ? __run_timers+0x7da/0xc70 [ 350.248602] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.253733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.257978] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.262213] __run_timers+0x7e5/0xc70 [ 350.266024] ? timer_fixup_init+0x70/0x70 [ 350.270173] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 350.275189] ? zap_class+0x640/0x640 [ 350.278908] ? print_usage_bug+0xc0/0xc0 [ 350.282978] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 350.288175] ? find_held_lock+0x36/0x1c0 [ 350.292265] ? zap_class+0x640/0x640 [ 350.295998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.301535] ? check_preemption_disabled+0x48/0x280 [ 350.306563] ? __lock_is_held+0xb5/0x140 [ 350.310626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.316164] ? check_preemption_disabled+0x48/0x280 [ 350.321206] run_timer_softirq+0x52/0xb0 [ 350.325268] ? rcu_read_lock_sched_held+0x14f/0x180 [ 350.330286] __do_softirq+0x308/0xb7e [ 350.334089] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 350.338582] ? lock_downgrade+0x900/0x900 [ 350.342734] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 350.347845] ? pvclock_read_flags+0x160/0x160 [ 350.352344] ? lapic_next_event+0x5a/0x90 [ 350.356497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.362043] ? kvm_clock_read+0x18/0x30 [ 350.366017] ? kvm_sched_clock_read+0x9/0x20 [ 350.370464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.376001] ? check_preemption_disabled+0x48/0x280 [ 350.381028] irq_exit+0x17f/0x1c0 [ 350.384486] smp_apic_timer_interrupt+0x1cb/0x760 [ 350.389327] ? smp_reschedule_interrupt+0x109/0x650 [ 350.394342] ? smp_call_function_single_interrupt+0x650/0x650 [ 350.400227] ? interrupt_entry+0xb5/0xc0 [ 350.404303] ? trace_hardirqs_off_caller+0xbb/0x310 [ 350.409317] ? trace_hardirqs_off_caller+0xbb/0x310 [ 350.414334] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.419176] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.424189] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.429205] ? task_prio+0x50/0x50 [ 350.432752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.438291] ? check_preemption_disabled+0x48/0x280 [ 350.443312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.448164] apic_timer_interrupt+0xf/0x20 [ 350.452394] [ 350.454632] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 350.459565] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 350.478469] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 350.486175] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 350.493446] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 350.500715] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 350.507987] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 350.515256] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 350.522566] rcu_read_lock_held+0xa9/0xc0 [ 350.526733] list_lru_count_one+0x31a/0x450 [ 350.531056] ? list_lru_isolate_move+0x3c0/0x3c0 [ 350.535829] ? deferred_split_count+0x65/0x170 [ 350.540407] ? shrink_huge_zero_page_count+0xc8/0x100 [ 350.545605] super_cache_count+0x153/0x2e0 [ 350.549846] do_shrink_slab+0x1b1/0xd30 [ 350.553841] ? lock_acquire+0x1ed/0x520 [ 350.557821] ? snapshot_refaults+0x290/0x290 [ 350.562245] ? lock_release+0xa00/0xa00 [ 350.566234] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 350.571173] ? down_read_trylock+0xda/0x140 [ 350.575501] ? shrink_slab+0x207/0x8c0 [ 350.579407] ? downgrade_write+0x270/0x270 [ 350.583656] shrink_slab+0x389/0x8c0 [ 350.587368] ? shrink_active_list+0x1f00/0x1f00 [ 350.592050] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 350.597685] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 350.602793] ? cgroup_procs_write_finish+0xf0/0xf0 [ 350.607754] ? find_held_lock+0x36/0x1c0 [ 350.611839] shrink_node+0x431/0x16b0 [ 350.615640] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 350.620952] ? shrink_node_memcg+0x18f0/0x18f0 [ 350.625560] ? kvm_clock_read+0x18/0x30 [ 350.629534] ? ktime_get+0x2c1/0x400 [ 350.633256] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 350.637757] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 350.643293] ? __cpuset_node_allowed+0x19b/0x660 [ 350.648071] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 350.653781] ? delayacct_end+0x5a/0x100 [ 350.657764] do_try_to_free_pages+0x3e7/0x1290 [ 350.662367] ? zap_class+0x640/0x640 [ 350.666100] ? shrink_node+0x16b0/0x16b0 [ 350.670162] ? __lock_is_held+0xb5/0x140 [ 350.674240] try_to_free_pages+0x4d0/0xb90 [ 350.678479] ? do_try_to_free_pages+0x1290/0x1290 [ 350.683345] ? lock_acquire+0x1ed/0x520 [ 350.687346] ? set_page_refcounted+0x280/0x280 [ 350.691965] ? lock_release+0xa00/0xa00 [ 350.695981] ? _raw_spin_unlock_irq+0x60/0x80 [ 350.700476] ? psi_memstall_enter+0x240/0x2b0 [ 350.704971] ? psi_memstall_tick+0x230/0x230 [ 350.709390] __alloc_pages_slowpath+0xa48/0x2de0 [ 350.714174] ? warn_alloc+0x120/0x120 [ 350.717991] ? mark_held_locks+0x130/0x130 [ 350.722231] ? find_get_entry+0xaae/0x1120 [ 350.726480] ? filemap_map_pages+0x1a20/0x1a20 [ 350.731071] ? zap_class+0x640/0x640 [ 350.734820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.740809] ? check_preemption_disabled+0x48/0x280 [ 350.745826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.751367] ? should_fail+0x22d/0xd01 [ 350.755258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.760362] ? zap_class+0x640/0x640 [ 350.764103] ? __lock_is_held+0xb5/0x140 [ 350.768175] ? mark_held_locks+0x130/0x130 [ 350.772415] ? lock_release+0xa00/0xa00 [ 350.776429] ? perf_trace_sched_process_exec+0x860/0x860 [ 350.781886] ? xa_load+0x2ba/0x460 [ 350.785427] ? lock_downgrade+0x900/0x900 [ 350.789587] ? __might_sleep+0x95/0x190 [ 350.793568] __alloc_pages_nodemask+0xad8/0xea0 [ 350.798246] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 350.803267] ? __page_cache_alloc+0x191/0x5c0 [ 350.807764] ? xa_load+0x2e1/0x460 [ 350.811319] ? xa_clear_mark+0x40/0x40 [ 350.815207] ? zap_class+0x640/0x640 [ 350.818937] ? zap_class+0x640/0x640 [ 350.822654] ? zap_class+0x640/0x640 [ 350.826369] ? __do_page_cache_readahead+0x663/0x810 [ 350.831477] ? find_held_lock+0x36/0x1c0 [ 350.835568] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 350.841134] alloc_pages_current+0x173/0x350 [ 350.845550] __page_cache_alloc+0x38c/0x5c0 [ 350.849977] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 350.854906] ? kasan_check_read+0x11/0x20 [ 350.859062] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.864341] ? generic_perform_write+0x6a0/0x6a0 [ 350.869098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.874638] ? check_preemption_disabled+0x48/0x280 [ 350.879663] filemap_fault+0x1595/0x25f0 [ 350.883743] ? __lock_page_or_retry+0xa00/0xa00 [ 350.888450] ? mark_held_locks+0x130/0x130 [ 350.892694] ? filemap_map_pages+0xd6b/0x1a20 [ 350.897210] ? lock_downgrade+0x900/0x900 [ 350.901354] ? check_preemption_disabled+0x48/0x280 [ 350.906372] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 350.911311] ? kasan_check_read+0x11/0x20 [ 350.915459] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.920734] ? rcu_softirq_qs+0x20/0x20 [ 350.924720] ? filemap_map_pages+0xd92/0x1a20 [ 350.929220] ? print_usage_bug+0xc0/0xc0 [ 350.933289] ? find_get_entries_tag+0x1400/0x1400 [ 350.938129] ? __kasan_slab_free+0x102/0x150 [ 350.942543] ? kasan_slab_free+0xe/0x10 [ 350.946517] ? kmem_cache_free+0x83/0x290 [ 350.950680] ? __sigqueue_free.part.29+0x74/0x90 [ 350.955513] ? lock_acquire+0x1ed/0x520 [ 350.959485] ? ext4_filemap_fault+0x7a/0xad [ 350.963860] ? lock_release+0xa00/0xa00 [ 350.967831] ? perf_trace_sched_process_exec+0x860/0x860 [ 350.973295] ? print_usage_bug+0xc0/0xc0 [ 350.977357] ? print_usage_bug+0xc0/0xc0 [ 350.981427] ? down_read+0x8d/0x120 [ 350.985055] ? ext4_filemap_fault+0x7a/0xad [ 350.989378] ? __down_interruptible+0x700/0x700 [ 350.994060] ext4_filemap_fault+0x82/0xad [ 350.998215] __do_fault+0x100/0x6b0 [ 351.001860] ? pmd_devmap_trans_unstable+0x220/0x220 [ 351.006973] ? mark_held_locks+0x130/0x130 [ 351.011211] ? mark_held_locks+0x130/0x130 [ 351.015454] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 351.021006] ? rcu_pm_notify+0xc0/0xc0 [ 351.024914] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.030478] __handle_mm_fault+0x3ea0/0x5be0 [ 351.034900] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 351.039748] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.044244] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 351.048829] ? trace_hardirqs_on+0xbd/0x310 [ 351.053152] ? kasan_check_read+0x11/0x20 [ 351.057300] ? __set_current_blocked+0xdf/0x120 [ 351.061974] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.067088] ? zap_class+0x640/0x640 [ 351.070802] ? zap_class+0x640/0x640 [ 351.074524] ? find_held_lock+0x36/0x1c0 [ 351.078599] ? handle_mm_fault+0x42a/0xc70 [ 351.082848] ? lock_downgrade+0x900/0x900 [ 351.086997] ? check_preemption_disabled+0x48/0x280 [ 351.092034] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 351.096978] ? kasan_check_read+0x11/0x20 [ 351.101125] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.106404] ? rcu_softirq_qs+0x20/0x20 [ 351.110376] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.115480] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.121022] ? check_preemption_disabled+0x48/0x280 [ 351.126062] handle_mm_fault+0x54f/0xc70 [ 351.130145] ? __handle_mm_fault+0x5be0/0x5be0 [ 351.134731] ? find_vma+0x34/0x190 [ 351.138277] __do_page_fault+0x5e8/0xe60 [ 351.142342] ? exit_to_usermode_loop+0x1f4/0x380 [ 351.147106] do_page_fault+0xf2/0x7e0 [ 351.150909] ? vmalloc_sync_all+0x30/0x30 [ 351.155065] ? error_entry+0x70/0xd0 [ 351.158781] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.163792] ? trace_hardirqs_on_caller+0xc0/0x310 [ 351.168716] ? syscall_return_slowpath+0x5e0/0x5e0 [ 351.173641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.178532] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.183545] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 351.189008] ? prepare_exit_to_usermode+0x291/0x3b0 [ 351.194025] ? page_fault+0x8/0x30 [ 351.197565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.202424] ? page_fault+0x8/0x30 [ 351.206015] page_fault+0x1e/0x30 [ 351.209472] RIP: 0033:0x45db60 [ 351.212674] Code: Bad RIP value. [ 351.216033] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 351.221391] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 351.228655] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 351.235923] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 351.243199] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 351.250467] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 351.257789] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 351.257821] rcu: INFO: rcu_preempt self-detected stall on CPU [ 351.264813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.270923] rcu: 1-...!: (82 ticks this GP) idle=b6a/1/0x4000000000000004 softirq=46817/46817 fqs=0 [ 351.280026] Call Trace: [ 351.280032] [ 351.280052] dump_stack+0x244/0x39d [ 351.280071] ? dump_stack_print_info.cold.1+0x20/0x20 [ 351.280097] warn_alloc.cold.116+0xb7/0x1bd [ 351.280112] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 351.280130] ? lock_downgrade+0x900/0x900 [ 351.280151] ? trace_hardirqs_off+0xb8/0x310 [ 351.280171] ? trace_hardirqs_off+0xb8/0x310 [ 351.280192] __alloc_pages_slowpath+0x2651/0x2de0 [ 351.280233] ? warn_alloc+0x120/0x120 [ 351.290064] rcu: (t=10758 jiffies g=31457 q=26) [ 351.292665] ? warn_alloc+0x120/0x120 [ 351.294798] rcu: rcu_preempt kthread starved for 10758 jiffies! g31457 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 351.298503] ? warn_alloc+0x120/0x120 [ 351.303667] rcu: RCU grace-period kthread stack dump: [ 351.307988] ? print_usage_bug+0xc0/0xc0 [ 351.312818] rcu_preempt R running task 22696 10 2 0x80000000 [ 351.316969] ? check_preemption_disabled+0x48/0x280 [ 351.321357] Call Trace: [ 351.325785] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 351.330613] __schedule+0x8cf/0x21d0 [ 351.334397] ? print_usage_bug+0xc0/0xc0 [ 351.339244] ? __sched_text_start+0x8/0x8 [ 351.343028] ? kasan_check_read+0x11/0x20 [ 351.353501] ? add_timer_on+0xa20/0xa20 [ 351.357280] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.362455] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 351.366495] ? rcu_softirq_qs+0x20/0x20 [ 351.373670] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 351.378675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.381246] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 351.385729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.389427] ? trace_hardirqs_on+0xbd/0x310 [ 351.393486] ? should_fail+0x22d/0xd01 [ 351.397616] ? kasan_check_read+0x11/0x20 [ 351.401747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.405728] ? prepare_to_swait_event+0x25a/0x800 [ 351.410989] ? __lock_acquire+0x62f/0x4c20 [ 351.416078] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.420034] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.425124] schedule+0xfe/0x460 [ 351.430675] ? __lock_acquire+0x62f/0x4c20 [ 351.435231] ? __schedule+0x21d0/0x21d0 [ 351.440762] ? should_fail+0x22d/0xd01 [ 351.445083] ? prepare_to_swait_event+0x25a/0x800 [ 351.448977] ? task_prio+0x50/0x50 [ 351.453129] ? __init_swait_queue_head+0x150/0x150 [ 351.458220] ? mark_held_locks+0x130/0x130 [ 351.463054] ? __lockdep_init_map+0x105/0x590 [ 351.467271] ? mark_held_locks+0x130/0x130 [ 351.472359] ? lockdep_init_map+0x9/0x10 [ 351.477474] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 351.477491] ? lockdep_hardirqs_on+0x296/0x5b0 [ 351.480842] schedule_timeout+0x140/0x260 [ 351.485059] ? retint_kernel+0x2d/0x2d [ 351.489021] ? usleep_range+0x1a0/0x1a0 [ 351.492892] ? zap_class+0x640/0x640 [ 351.497734] ? __next_timer_interrupt+0x1a0/0x1a0 [ 351.501281] ? print_usage_bug+0xc0/0xc0 [ 351.506199] rcu_gp_fqs_loop+0x762/0xa80 [ 351.510408] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 351.514907] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 351.519128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.523173] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.527918] ? check_preemption_disabled+0x48/0x280 [ 351.532503] ? perf_trace_sched_process_exec+0x860/0x860 [ 351.536656] ? __lock_is_held+0xb5/0x140 [ 351.540569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.544527] __alloc_pages_nodemask+0xad8/0xea0 [ 351.548226] ? rcu_gp_init+0x90b/0x1260 [ 351.553053] ? zap_class+0x640/0x640 [ 351.557106] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 351.561151] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 351.566587] ? rcu_accelerate_cbs+0x562/0xae0 [ 351.571332] ? find_held_lock+0x36/0x1c0 [ 351.576843] ? zap_class+0x640/0x640 [ 351.581946] ? ____cache_alloc_node+0x1c7/0x1e0 [ 351.586944] ? zap_class+0x640/0x640 [ 351.592413] ? lock_downgrade+0x900/0x900 [ 351.596469] ? __lock_is_held+0xb5/0x140 [ 351.602006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.606834] ? __lock_is_held+0xb5/0x140 [ 351.610803] cache_grow_begin+0xa5/0x8c0 [ 351.614497] ? zap_class+0x640/0x640 [ 351.619269] ? do_raw_spin_unlock+0xa7/0x330 [ 351.624302] ? rcu_accelerate_cbs+0x562/0xae0 [ 351.628809] fallback_alloc+0x204/0x2e0 [ 351.632858] ? find_held_lock+0x36/0x1c0 [ 351.636556] ____cache_alloc_node+0x1c7/0x1e0 [ 351.641211] ? rcu_gp_kthread+0x8cf/0xc70 [ 351.644916] kmem_cache_alloc_node+0xe3/0x730 [ 351.649049] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.653096] ? ipv6_get_ifaddr+0x42e/0x620 [ 351.658615] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.662664] __alloc_skb+0x119/0x770 [ 351.666726] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 351.670447] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.674845] ? trace_hardirqs_on+0xbd/0x310 [ 351.679324] ? netdev_alloc_frag+0x1f0/0x1f0 [ 351.683285] ? kasan_check_read+0x11/0x20 [ 351.687329] ? lock_downgrade+0x900/0x900 [ 351.691810] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.691828] ? perf_trace_sched_process_exec+0x860/0x860 [ 351.696007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.700497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.704976] ? refcount_sub_and_test_checked+0x203/0x310 [ 351.709198] rcu_gp_kthread+0x341/0xc70 [ 351.713672] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 351.717370] ? rcu_gp_init+0x1260/0x1260 [ 351.721946] ? addrconf_rs_timer+0x690/0x690 [ 351.727206] ? mark_held_locks+0x130/0x130 [ 351.731521] ndisc_alloc_skb+0x144/0x340 [ 351.735909] ? __schedule+0x168a/0x21d0 [ 351.740056] ndisc_send_rs+0x331/0x6e0 [ 351.744186] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.749279] addrconf_rs_timer+0x314/0x690 [ 351.754709] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 351.760232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.765746] ? trace_hardirqs_on+0xbd/0x310 [ 351.771205] call_timer_fn+0x272/0x920 [ 351.775158] ? kasan_check_read+0x11/0x20 [ 351.780589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.784636] ? __schedule+0x168a/0x21d0 [ 351.789030] ? process_timeout+0x40/0x40 [ 351.793266] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.797319] ? mark_held_locks+0xc7/0x130 [ 351.801271] ? lock_pin_lock+0x350/0x350 [ 351.805145] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.809672] ? _raw_spin_unlock_irq+0x60/0x80 [ 351.813889] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.818456] ? __schedule+0x168a/0x21d0 [ 351.822683] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.826995] ? __switch_to_asm+0x40/0x70 [ 351.830867] ? lockdep_hardirqs_on+0x296/0x5b0 [ 351.834996] ? __switch_to_asm+0x40/0x70 [ 351.839217] ? trace_hardirqs_on+0xbd/0x310 [ 351.843180] ? show_schedstat+0x561/0xf30 [ 351.847226] ? kasan_check_read+0x11/0x20 [ 351.852315] ? __sched_text_start+0x8/0x8 [ 351.856897] ? __run_timers+0x7da/0xc70 [ 351.860955] ? find_held_lock+0x36/0x1c0 [ 351.865438] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.869923] ? __kthread_parkme+0xce/0x1a0 [ 351.874413] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 351.878368] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 351.882592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.886669] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 351.891238] __run_timers+0x7e5/0xc70 [ 351.895299] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 351.899609] ? timer_fixup_init+0x70/0x70 [ 351.903737] ? trace_hardirqs_on+0xbd/0x310 [ 351.907884] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 351.912035] ? kasan_check_read+0x11/0x20 [ 351.916023] ? zap_class+0x640/0x640 [ 351.920074] ? __kthread_parkme+0xce/0x1a0 [ 351.925164] ? print_usage_bug+0xc0/0xc0 [ 351.929397] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.934234] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 351.939332] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 351.943562] ? find_held_lock+0x36/0x1c0 [ 351.948665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.952463] ? zap_class+0x640/0x640 [ 351.957032] ? __kthread_parkme+0xfb/0x1a0 [ 351.961168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.965474] ? rcu_gp_init+0x1260/0x1260 [ 351.970480] ? check_preemption_disabled+0x48/0x280 [ 351.974611] kthread+0x35a/0x440 [ 351.978312] ? __lock_is_held+0xb5/0x140 [ 351.982529] ? kthread_stop+0x900/0x900 [ 351.986574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.991660] ret_from_fork+0x3a/0x50 [ 351.996850] ? check_preemption_disabled+0x48/0x280 [ 352.001952] NMI backtrace for cpu 1 [ 352.005994] run_timer_softirq+0x52/0xb0 [ 352.067369] ? rcu_read_lock_sched_held+0x14f/0x180 [ 352.072385] __do_softirq+0x308/0xb7e [ 352.076196] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 352.080704] ? lock_downgrade+0x900/0x900 [ 352.084863] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 352.089995] ? pvclock_read_flags+0x160/0x160 [ 352.094516] ? lapic_next_event+0x5a/0x90 [ 352.098671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.104233] ? kvm_clock_read+0x18/0x30 [ 352.108208] ? kvm_sched_clock_read+0x9/0x20 [ 352.112625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.118168] ? check_preemption_disabled+0x48/0x280 [ 352.123197] irq_exit+0x17f/0x1c0 [ 352.126654] smp_apic_timer_interrupt+0x1cb/0x760 [ 352.131512] ? smp_reschedule_interrupt+0x109/0x650 [ 352.136549] ? smp_call_function_single_interrupt+0x650/0x650 [ 352.142434] ? interrupt_entry+0xb5/0xc0 [ 352.146502] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.151517] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.156548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.161393] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.166407] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.171424] ? task_prio+0x50/0x50 [ 352.174972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.180549] ? check_preemption_disabled+0x48/0x280 [ 352.185575] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.190440] apic_timer_interrupt+0xf/0x20 [ 352.194672] [ 352.196913] RIP: 0010:console_unlock+0x102f/0x1190 [ 352.201866] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 352.220854] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 352.228570] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 352.235837] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 352.243103] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 352.250397] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 352.257693] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 352.264984] ? netconsole_netdev_event+0x280/0x280 [ 352.269920] ? console_unlock+0x1026/0x1190 [ 352.274282] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 352.278964] ? lock_release+0xa00/0xa00 [ 352.282952] ? retint_kernel+0x2d/0x2d [ 352.286861] vprintk_emit+0x391/0x990 [ 352.290664] ? wake_up_klogd+0x180/0x180 [ 352.294729] ? match_held_lock+0x811/0x8d0 [ 352.298980] ? mark_held_locks+0xc7/0x130 [ 352.303131] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.307634] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.312136] vprintk_default+0x28/0x30 [ 352.316037] vprintk_func+0x7e/0x181 [ 352.319769] printk+0xa7/0xcf [ 352.322873] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 352.327647] ? _raw_spin_unlock_irq+0x60/0x80 [ 352.332155] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 352.337442] dump_header+0x7cc/0xf72 [ 352.341168] ? pagefault_out_of_memory+0x197/0x197 [ 352.346109] ? __lock_acquire+0x62f/0x4c20 [ 352.350375] ? percpu_ref_get_many+0x240/0x240 [ 352.355004] ? print_usage_bug+0xc0/0xc0 [ 352.359082] ? zap_class+0x640/0x640 [ 352.362804] ? print_usage_bug+0xc0/0xc0 [ 352.366882] ? zap_class+0x640/0x640 [ 352.370625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.376164] ? find_held_lock+0x36/0x1c0 [ 352.380249] ? mark_held_locks+0xc7/0x130 [ 352.384401] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.389503] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.394623] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 352.399204] ? trace_hardirqs_on+0xbd/0x310 [ 352.403524] ? kasan_check_read+0x11/0x20 [ 352.407676] ? ___ratelimit+0x3b4/0x672 [ 352.411680] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.416787] ? trace_hardirqs_on+0x310/0x310 [ 352.421195] ? lock_downgrade+0x900/0x900 [ 352.425348] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 352.430454] ? ___ratelimit+0x3b9/0x672 [ 352.434435] ? idr_get_free+0xf70/0xf70 [ 352.438411] ? find_held_lock+0x36/0x1c0 [ 352.442477] oom_kill_process.cold.27+0x10/0x903 [ 352.447247] ? zap_class+0x640/0x640 [ 352.450971] ? check_preemption_disabled+0x48/0x280 [ 352.456023] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.460960] ? kasan_check_read+0x11/0x20 [ 352.465110] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.470398] ? oom_evaluate_task+0x540/0x540 [ 352.474824] ? find_held_lock+0x36/0x1c0 [ 352.478898] ? out_of_memory+0x974/0x1430 [ 352.483058] ? lock_downgrade+0x900/0x900 [ 352.487206] ? check_preemption_disabled+0x48/0x280 [ 352.492245] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.497173] ? kasan_check_read+0x11/0x20 [ 352.501319] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.506621] ? rcu_softirq_qs+0x20/0x20 [ 352.510604] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 352.516157] ? oom_evaluate_task+0x302/0x540 [ 352.520571] out_of_memory+0xa84/0x1430 [ 352.524551] ? oom_killer_disable+0x3a0/0x3a0 [ 352.529046] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 352.533981] ? __ww_mutex_check_waiters+0x160/0x160 [ 352.539021] __alloc_pages_slowpath+0x232c/0x2de0 [ 352.543891] ? warn_alloc+0x120/0x120 [ 352.547689] ? mark_held_locks+0x130/0x130 [ 352.551936] ? find_get_entry+0xaae/0x1120 [ 352.556186] ? filemap_map_pages+0x1a20/0x1a20 [ 352.560771] ? zap_class+0x640/0x640 [ 352.564487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.570022] ? check_preemption_disabled+0x48/0x280 [ 352.575045] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.580602] ? should_fail+0x22d/0xd01 [ 352.584496] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.589612] ? zap_class+0x640/0x640 [ 352.593362] ? __lock_is_held+0xb5/0x140 [ 352.597434] ? mark_held_locks+0x130/0x130 [ 352.601673] ? lock_release+0xa00/0xa00 [ 352.606122] ? perf_trace_sched_process_exec+0x860/0x860 [ 352.611570] ? xa_load+0x2ba/0x460 [ 352.615125] ? lock_downgrade+0x900/0x900 [ 352.619281] ? __might_sleep+0x95/0x190 [ 352.623264] __alloc_pages_nodemask+0xad8/0xea0 [ 352.627964] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 352.632987] ? __page_cache_alloc+0x191/0x5c0 [ 352.637479] ? xa_load+0x2e1/0x460 [ 352.641027] ? xa_clear_mark+0x40/0x40 [ 352.644954] ? zap_class+0x640/0x640 [ 352.648668] ? zap_class+0x640/0x640 [ 352.652389] ? zap_class+0x640/0x640 [ 352.656111] ? zap_class+0x640/0x640 [ 352.659826] ? __do_page_cache_readahead+0x663/0x810 [ 352.664958] ? find_held_lock+0x36/0x1c0 [ 352.669025] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 352.674573] alloc_pages_current+0x173/0x350 [ 352.678996] __page_cache_alloc+0x38c/0x5c0 [ 352.683318] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.688247] ? kasan_check_read+0x11/0x20 [ 352.692399] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.697681] ? generic_perform_write+0x6a0/0x6a0 [ 352.702457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.707998] ? check_preemption_disabled+0x48/0x280 [ 352.713038] filemap_fault+0x1595/0x25f0 [ 352.717113] ? __lock_page_or_retry+0xa00/0xa00 [ 352.721782] ? mark_held_locks+0x130/0x130 [ 352.726030] ? filemap_map_pages+0xd6b/0x1a20 [ 352.730528] ? lock_downgrade+0x900/0x900 [ 352.734676] ? check_preemption_disabled+0x48/0x280 [ 352.739859] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.744816] ? kasan_check_read+0x11/0x20 [ 352.748970] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.754246] ? rcu_softirq_qs+0x20/0x20 [ 352.758262] ? filemap_map_pages+0xd92/0x1a20 [ 352.762763] ? queue_work_on+0x12c/0x1e0 [ 352.766833] ? find_get_entries_tag+0x1400/0x1400 [ 352.771681] ? debug_object_destroy+0x2b0/0x2b0 [ 352.776365] ? lock_pi_update_atomic+0x150/0x150 [ 352.781154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.786700] ? lock_acquire+0x1ed/0x520 [ 352.790676] ? ext4_filemap_fault+0x7a/0xad [ 352.795006] ? lock_release+0xa00/0xa00 [ 352.798996] ? perf_trace_sched_process_exec+0x860/0x860 [ 352.804462] ? print_usage_bug+0xc0/0xc0 [ 352.808521] ? print_usage_bug+0xc0/0xc0 [ 352.812613] ? down_read+0x8d/0x120 [ 352.816248] ? ext4_filemap_fault+0x7a/0xad [ 352.820570] ? __down_interruptible+0x700/0x700 [ 352.825248] ext4_filemap_fault+0x82/0xad [ 352.829398] __do_fault+0x100/0x6b0 [ 352.833024] ? perf_tp_event+0xc20/0xc20 [ 352.837102] ? pmd_devmap_trans_unstable+0x220/0x220 [ 352.842206] ? mark_held_locks+0x130/0x130 [ 352.846441] ? mark_held_locks+0x130/0x130 [ 352.850695] ? debug_smp_processor_id+0x1c/0x20 [ 352.855373] ? perf_trace_lock+0x14d/0x7a0 [ 352.859614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.865159] __handle_mm_fault+0x3ea0/0x5be0 [ 352.869579] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 352.874449] ? lock_is_held_type+0x210/0x210 [ 352.878862] ? __switch_to_asm+0x34/0x70 [ 352.882920] ? __switch_to_asm+0x34/0x70 [ 352.887044] ? zap_class+0x640/0x640 [ 352.890787] ? zap_class+0x640/0x640 [ 352.894501] ? __x64_sys_futex+0x53e/0x6a0 [ 352.898757] ? find_held_lock+0x36/0x1c0 [ 352.902835] ? handle_mm_fault+0x42a/0xc70 [ 352.907092] ? lock_downgrade+0x900/0x900 [ 352.911243] ? check_preemption_disabled+0x48/0x280 [ 352.916263] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.921194] ? kasan_check_read+0x11/0x20 [ 352.925343] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.930666] ? rcu_softirq_qs+0x20/0x20 [ 352.934637] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.939755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.945294] ? check_preemption_disabled+0x48/0x280 [ 352.950318] handle_mm_fault+0x54f/0xc70 [ 352.954383] ? __handle_mm_fault+0x5be0/0x5be0 [ 352.958975] ? find_vma+0x34/0x190 [ 352.962533] __do_page_fault+0x5e8/0xe60 [ 352.966594] ? trace_hardirqs_off+0xb8/0x310 [ 352.971045] do_page_fault+0xf2/0x7e0 [ 352.974850] ? vmalloc_sync_all+0x30/0x30 [ 352.979004] ? error_entry+0x70/0xd0 [ 352.982719] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.987734] ? trace_hardirqs_on_caller+0xc0/0x310 [ 352.992663] ? syscall_return_slowpath+0x5e0/0x5e0 [ 352.997588] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.002429] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.007446] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.012904] ? prepare_exit_to_usermode+0x291/0x3b0 [ 353.017938] ? page_fault+0x8/0x30 [ 353.021489] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.026341] ? page_fault+0x8/0x30 [ 353.029892] page_fault+0x1e/0x30 [ 353.033358] RIP: 0033:0x45ddf3 [ 353.036581] Code: Bad RIP value. [ 353.039985] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 353.045365] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 353.052694] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 353.059968] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 353.067234] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 353.074512] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 353.081829] warn_alloc_show_mem: 1 callbacks suppressed [ 353.081840] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 353.081842] Mem-Info: [ 353.081870] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 353.081870] active_file:10 inactive_file:13 isolated_file:0 [ 353.081870] unevictable:0 dirty:0 writeback:0 unstable:0 [ 353.081870] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 353.081870] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 353.081870] free:13776 free_pcp:523 free_cma:0 [ 353.087213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.094258] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 353.096666] Call Trace: [ 353.129870] 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 [ 353.139219] [ 353.166875] lowmem_reserve[]: 0 2818 6321 6321 [ 353.169461] dump_stack+0x244/0x39d [ 353.195543] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 353.197698] ? dump_stack_print_info.cold.1+0x20/0x20 [ 353.202262] lowmem_reserve[]: 0 0 3503 3503 [ 353.205914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.233223] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 353.238410] ? do_raw_spin_lock+0x14f/0x350 [ 353.242704] lowmem_reserve[]: 0 0 0 0 [ 353.248237] nmi_cpu_backtrace.cold.2+0x5c/0xa1 [ 353.277269] 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 [ 353.281585] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 353.285358] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 353.290019] nmi_trigger_cpumask_backtrace+0x1e8/0x22a [ 353.303516] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 353.308699] arch_trigger_cpumask_backtrace+0x14/0x20 [ 353.323764] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 353.329026] rcu_dump_cpu_stacks+0x16f/0x1bc [ 353.343398] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 353.348581] print_cpu_stall.cold.67+0x1f3/0x3c7 [ 353.357391] 1516 total pagecache pages [ 353.361794] ? print_other_cpu_stall+0x160/0x160 [ 353.370349] 0 pages in swap cache [ 353.375089] ? print_usage_bug+0xc0/0xc0 [ 353.378967] Swap cache stats: add 0, delete 0, find 0/0 [ 353.383710] ? kasan_check_read+0x11/0x20 [ 353.387135] Free swap = 0kB [ 353.391211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.396552] Total swap = 0kB [ 353.400691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.403684] 1965979 pages RAM [ 353.409216] ? do_trace_rcu_torture_read+0x10/0x10 [ 353.412213] 0 pages HighMem/MovableOnly [ 353.417779] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 353.420858] 342854 pages reserved [ 353.425780] ? __lock_is_held+0xb5/0x140 [ 353.429743] 0 pages cma reserved [ 353.435023] ? __rcu_read_lock+0x50/0x50 [ 353.438528] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 353.442516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.442532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.445951] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 353.449946] ? check_preemption_disabled+0x48/0x280 [ 353.456415] syz-fuzzer cpuset=/ mems_allowed=0 [ 353.461956] rcu_check_callbacks+0xf3b/0x13f0 [ 353.491749] ? rcutree_dead_cpu+0x10/0x10 [ 353.495896] ? lock_downgrade+0x900/0x900 [ 353.500072] ? lock_release+0x970/0xa00 [ 353.504057] ? zap_class+0x640/0x640 [ 353.507771] ? mark_held_locks+0x130/0x130 [ 353.512009] ? zap_class+0x640/0x640 [ 353.515735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.521332] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 353.525918] ? kvm_set_tsc_khz+0x540/0x540 [ 353.530176] ? warn_alloc.cold.116+0xd1/0x1bd [ 353.534679] ? find_held_lock+0x36/0x1c0 [ 353.538758] ? zap_class+0x640/0x640 [ 353.542480] ? timekeeping_advance+0x3cc/0xc00 [ 353.547068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.552622] ? check_preemption_disabled+0x48/0x280 [ 353.557664] ? trace_hardirqs_off+0xb8/0x310 [ 353.562073] ? __lock_is_held+0xb5/0x140 [ 353.566136] ? trace_hardirqs_on+0x310/0x310 [ 353.570552] ? check_preemption_disabled+0x48/0x280 [ 353.575573] ? raise_softirq+0x199/0x420 [ 353.579653] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 353.584323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.589871] ? check_preemption_disabled+0x48/0x280 [ 353.594891] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 353.600427] ? hrtimer_run_queues+0x9a/0x400 [ 353.605011] ? run_local_timers+0x19b/0x230 [ 353.609346] ? timer_clear_idle+0x90/0x90 [ 353.613505] ? debug_smp_processor_id+0x1c/0x20 [ 353.618177] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 353.624327] ? account_process_tick+0x282/0x350 [ 353.629001] update_process_times+0x2d/0x70 [ 353.633328] tick_sched_handle+0x9f/0x180 [ 353.637504] tick_sched_timer+0x45/0x130 [ 353.641581] __hrtimer_run_queues+0x41c/0x10d0 [ 353.646171] ? tick_sched_do_timer+0x1a0/0x1a0 [ 353.650761] ? hrtimer_start_range_ns+0xe00/0xe00 [ 353.655617] ? pvclock_read_flags+0x160/0x160 [ 353.660115] ? trace_hardirqs_on+0x310/0x310 [ 353.664524] ? zap_class+0x640/0x640 [ 353.668246] ? kvm_clock_read+0x18/0x30 [ 353.672273] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 353.677336] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 353.682704] ? do_timer+0x50/0x50 [ 353.686158] ? rwlock_bug.part.2+0x90/0x90 [ 353.690390] ? trace_hardirqs_on+0x310/0x310 [ 353.694800] ? rcu_softirq_qs+0x20/0x20 [ 353.698784] hrtimer_interrupt+0x313/0x780 [ 353.703068] smp_apic_timer_interrupt+0x1a1/0x760 [ 353.707914] ? smp_call_function_single_interrupt+0x650/0x650 [ 353.713806] ? interrupt_entry+0xb5/0xc0 [ 353.717878] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.722891] ? ____cache_alloc_node+0x1c7/0x1e0 [ 353.727558] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.732399] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.737911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.742771] apic_timer_interrupt+0xf/0x20 [ 353.747022] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 353.752386] Code: 3f 7e 0f 85 32 ff ff ff e8 15 eb 3d ff e9 28 ff ff ff e8 bc 20 c3 ff 48 83 3d 54 69 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 02 f3 [ 353.771284] RSP: 0000:ffff8881daf07450 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 353.779143] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1103851117d [ 353.786425] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 353.793761] RBP: ffff8881daf074c0 R08: ffff8881c2888be8 R09: 0000000000000002 [ 353.801029] R10: 0000000000000000 R11: ffff8881c2888280 R12: ffff8881d9beec00 [ 353.808311] R13: ffff8881d9beec00 R14: 0000000000000000 R15: 0000000000000282 [ 353.815602] ? apic_timer_interrupt+0xa/0x20 [ 353.820049] ? ipv6_get_ifaddr+0x42e/0x620 [ 353.824295] __alloc_skb+0x119/0x770 [ 353.828007] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.833287] ? netdev_alloc_frag+0x1f0/0x1f0 [ 353.837696] ? lock_downgrade+0x900/0x900 [ 353.841849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.847384] ? refcount_sub_and_test_checked+0x203/0x310 [ 353.852852] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 353.858308] ? addrconf_rs_timer+0x690/0x690 [ 353.862772] ndisc_alloc_skb+0x144/0x340 [ 353.866836] ndisc_send_rs+0x331/0x6e0 [ 353.870729] addrconf_rs_timer+0x314/0x690 [ 353.874969] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.879212] call_timer_fn+0x272/0x920 [ 353.883099] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.887333] ? process_timeout+0x40/0x40 [ 353.891403] ? mark_held_locks+0xc7/0x130 [ 353.895551] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.900047] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.904543] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.908791] ? lockdep_hardirqs_on+0x296/0x5b0 [ 353.913384] ? trace_hardirqs_on+0xbd/0x310 [ 353.917706] ? kasan_check_read+0x11/0x20 [ 353.921870] ? __run_timers+0x7da/0xc70 [ 353.925849] ? trace_hardirqs_off_caller+0x310/0x310 [ 353.930961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.935202] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.939436] __run_timers+0x7e5/0xc70 [ 353.943267] ? timer_fixup_init+0x70/0x70 [ 353.947416] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 353.952471] ? zap_class+0x640/0x640 [ 353.956205] ? print_usage_bug+0xc0/0xc0 [ 353.960271] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 353.965488] ? find_held_lock+0x36/0x1c0 [ 353.969553] ? zap_class+0x640/0x640 [ 353.973276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.978819] ? check_preemption_disabled+0x48/0x280 [ 353.983872] ? __lock_is_held+0xb5/0x140 [ 353.987961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.993519] ? check_preemption_disabled+0x48/0x280 [ 353.998542] run_timer_softirq+0x52/0xb0 [ 354.002608] ? rcu_read_lock_sched_held+0x14f/0x180 [ 354.007628] __do_softirq+0x308/0xb7e [ 354.011430] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 354.015929] ? lock_downgrade+0x900/0x900 [ 354.020092] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 354.025204] ? pvclock_read_flags+0x160/0x160 [ 354.029703] ? lapic_next_event+0x5a/0x90 [ 354.033854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.039396] ? kvm_clock_read+0x18/0x30 [ 354.043402] ? kvm_sched_clock_read+0x9/0x20 [ 354.047808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.053357] ? check_preemption_disabled+0x48/0x280 [ 354.058385] irq_exit+0x17f/0x1c0 [ 354.061843] smp_apic_timer_interrupt+0x1cb/0x760 [ 354.066697] ? smp_reschedule_interrupt+0x109/0x650 [ 354.071728] ? smp_call_function_single_interrupt+0x650/0x650 [ 354.077640] ? interrupt_entry+0xb5/0xc0 [ 354.081730] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.086754] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.091786] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.096658] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.101697] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.106714] ? task_prio+0x50/0x50 [ 354.110270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.115809] ? check_preemption_disabled+0x48/0x280 [ 354.120836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.125689] apic_timer_interrupt+0xf/0x20 [ 354.129939] [ 354.132178] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 354.137114] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 354.156013] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 354.163729] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 354.171009] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 354.178288] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 354.185559] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 354.192824] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 354.200122] rcu_read_lock_held+0xa9/0xc0 [ 354.204276] list_lru_count_one+0x31a/0x450 [ 354.208600] ? list_lru_isolate_move+0x3c0/0x3c0 [ 354.213361] ? deferred_split_count+0x65/0x170 [ 354.217968] ? shrink_huge_zero_page_count+0xc8/0x100 [ 354.223167] super_cache_count+0x153/0x2e0 [ 354.227407] do_shrink_slab+0x1b1/0xd30 [ 354.231388] ? lock_acquire+0x1ed/0x520 [ 354.235377] ? snapshot_refaults+0x290/0x290 [ 354.239786] ? lock_release+0xa00/0xa00 [ 354.243769] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 354.248756] ? down_read_trylock+0xda/0x140 [ 354.253074] ? shrink_slab+0x207/0x8c0 [ 354.256966] ? downgrade_write+0x270/0x270 [ 354.261212] shrink_slab+0x389/0x8c0 [ 354.264929] ? shrink_active_list+0x1f00/0x1f00 [ 354.269617] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 354.275243] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 354.280354] ? cgroup_procs_write_finish+0xf0/0xf0 [ 354.285294] ? find_held_lock+0x36/0x1c0 [ 354.289381] shrink_node+0x431/0x16b0 [ 354.293186] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 354.298535] ? shrink_node_memcg+0x18f0/0x18f0 [ 354.303124] ? kvm_clock_read+0x18/0x30 [ 354.307101] ? ktime_get+0x2c1/0x400 [ 354.310836] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 354.315404] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 354.320988] ? __cpuset_node_allowed+0x19b/0x660 [ 354.325819] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 354.331531] ? delayacct_end+0x5a/0x100 [ 354.335514] do_try_to_free_pages+0x3e7/0x1290 [ 354.340097] ? zap_class+0x640/0x640 [ 354.343828] ? shrink_node+0x16b0/0x16b0 [ 354.347894] ? __lock_is_held+0xb5/0x140 [ 354.351985] try_to_free_pages+0x4d0/0xb90 [ 354.356223] ? do_try_to_free_pages+0x1290/0x1290 [ 354.361074] ? lock_acquire+0x1ed/0x520 [ 354.365048] ? set_page_refcounted+0x280/0x280 [ 354.369634] ? lock_release+0xa00/0xa00 [ 354.373607] ? _raw_spin_unlock_irq+0x60/0x80 [ 354.378104] ? psi_memstall_enter+0x240/0x2b0 [ 354.382600] ? psi_memstall_tick+0x230/0x230 [ 354.387019] __alloc_pages_slowpath+0xa48/0x2de0 [ 354.391849] ? warn_alloc+0x120/0x120 [ 354.395651] ? mark_held_locks+0x130/0x130 [ 354.399889] ? find_get_entry+0xaae/0x1120 [ 354.404142] ? filemap_map_pages+0x1a20/0x1a20 [ 354.408731] ? zap_class+0x640/0x640 [ 354.412455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.417999] ? check_preemption_disabled+0x48/0x280 [ 354.423018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.428583] ? should_fail+0x22d/0xd01 [ 354.432490] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.437596] ? zap_class+0x640/0x640 [ 354.441337] ? __lock_is_held+0xb5/0x140 [ 354.445408] ? mark_held_locks+0x130/0x130 [ 354.449650] ? lock_release+0xa00/0xa00 [ 354.453625] ? perf_trace_sched_process_exec+0x860/0x860 [ 354.459073] ? xa_load+0x2ba/0x460 [ 354.462614] ? lock_downgrade+0x900/0x900 [ 354.466767] ? __might_sleep+0x95/0x190 [ 354.470762] __alloc_pages_nodemask+0xad8/0xea0 [ 354.475472] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 354.480489] ? __page_cache_alloc+0x191/0x5c0 [ 354.484986] ? xa_load+0x2e1/0x460 [ 354.488526] ? xa_clear_mark+0x40/0x40 [ 354.492415] ? zap_class+0x640/0x640 [ 354.496139] ? zap_class+0x640/0x640 [ 354.499857] ? zap_class+0x640/0x640 [ 354.503576] ? __do_page_cache_readahead+0x663/0x810 [ 354.508684] ? find_held_lock+0x36/0x1c0 [ 354.512752] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 354.518296] alloc_pages_current+0x173/0x350 [ 354.522711] __page_cache_alloc+0x38c/0x5c0 [ 354.527032] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.531969] ? kasan_check_read+0x11/0x20 [ 354.536117] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.541401] ? generic_perform_write+0x6a0/0x6a0 [ 354.546181] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.551725] ? check_preemption_disabled+0x48/0x280 [ 354.556778] filemap_fault+0x1595/0x25f0 [ 354.560850] ? __lock_page_or_retry+0xa00/0xa00 [ 354.565536] ? mark_held_locks+0x130/0x130 [ 354.569824] ? filemap_map_pages+0xd6b/0x1a20 [ 354.574319] ? lock_downgrade+0x900/0x900 [ 354.578482] ? check_preemption_disabled+0x48/0x280 [ 354.583506] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.588439] ? kasan_check_read+0x11/0x20 [ 354.592604] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.597889] ? rcu_softirq_qs+0x20/0x20 [ 354.601879] ? filemap_map_pages+0xd92/0x1a20 [ 354.606416] ? print_usage_bug+0xc0/0xc0 [ 354.610487] ? find_get_entries_tag+0x1400/0x1400 [ 354.615328] ? __kasan_slab_free+0x102/0x150 [ 354.619737] ? kasan_slab_free+0xe/0x10 [ 354.623711] ? kmem_cache_free+0x83/0x290 [ 354.627856] ? __sigqueue_free.part.29+0x74/0x90 [ 354.632641] ? lock_acquire+0x1ed/0x520 [ 354.636627] ? ext4_filemap_fault+0x7a/0xad [ 354.640960] ? lock_release+0xa00/0xa00 [ 354.644983] ? perf_trace_sched_process_exec+0x860/0x860 [ 354.650468] ? print_usage_bug+0xc0/0xc0 [ 354.654545] ? print_usage_bug+0xc0/0xc0 [ 354.658615] ? down_read+0x8d/0x120 [ 354.662252] ? ext4_filemap_fault+0x7a/0xad [ 354.666606] ? __down_interruptible+0x700/0x700 [ 354.671287] ext4_filemap_fault+0x82/0xad [ 354.675448] __do_fault+0x100/0x6b0 [ 354.679081] ? pmd_devmap_trans_unstable+0x220/0x220 [ 354.684189] ? mark_held_locks+0x130/0x130 [ 354.688426] ? mark_held_locks+0x130/0x130 [ 354.692684] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 354.698236] ? rcu_pm_notify+0xc0/0xc0 [ 354.702149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.707708] __handle_mm_fault+0x3ea0/0x5be0 [ 354.712128] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 354.716969] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.721471] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 354.726060] ? trace_hardirqs_on+0xbd/0x310 [ 354.730395] ? kasan_check_read+0x11/0x20 [ 354.734542] ? __set_current_blocked+0xdf/0x120 [ 354.739752] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.744871] ? zap_class+0x640/0x640 [ 354.748584] ? zap_class+0x640/0x640 [ 354.752306] ? find_held_lock+0x36/0x1c0 [ 354.756379] ? handle_mm_fault+0x42a/0xc70 [ 354.760615] ? lock_downgrade+0x900/0x900 [ 354.764779] ? check_preemption_disabled+0x48/0x280 [ 354.769796] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.774726] ? kasan_check_read+0x11/0x20 [ 354.778887] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.784163] ? rcu_softirq_qs+0x20/0x20 [ 354.788137] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.793246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.798784] ? check_preemption_disabled+0x48/0x280 [ 354.803816] handle_mm_fault+0x54f/0xc70 [ 354.807895] ? __handle_mm_fault+0x5be0/0x5be0 [ 354.812492] ? find_vma+0x34/0x190 [ 354.816039] __do_page_fault+0x5e8/0xe60 [ 354.820103] ? exit_to_usermode_loop+0x1f4/0x380 [ 354.824879] do_page_fault+0xf2/0x7e0 [ 354.828705] ? vmalloc_sync_all+0x30/0x30 [ 354.832881] ? error_entry+0x70/0xd0 [ 354.836597] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.841612] ? trace_hardirqs_on_caller+0xc0/0x310 [ 354.846558] ? syscall_return_slowpath+0x5e0/0x5e0 [ 354.851516] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.856369] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.861395] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 354.866866] ? prepare_exit_to_usermode+0x291/0x3b0 [ 354.871890] ? page_fault+0x8/0x30 [ 354.875432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.880287] ? page_fault+0x8/0x30 [ 354.883840] page_fault+0x1e/0x30 [ 354.887292] RIP: 0033:0x45db60 [ 354.890523] Code: Bad RIP value. [ 354.893884] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 354.899246] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 354.906516] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 354.913781] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 354.921049] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 354.928318] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 354.935619] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 354.936059] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 354.942652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.942673] Call Trace: [ 354.942679] [ 354.942713] dump_stack+0x244/0x39d [ 354.942732] ? dump_stack_print_info.cold.1+0x20/0x20 [ 354.949314] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 354.958580] warn_alloc.cold.116+0xb7/0x1bd [ 354.961134] syz-fuzzer cpuset=/ mems_allowed=0 [ 354.963276] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 354.996009] ? lock_downgrade+0x900/0x900 [ 355.000166] ? trace_hardirqs_off+0xb8/0x310 [ 355.004714] ? trace_hardirqs_off+0xb8/0x310 [ 355.009176] __alloc_pages_slowpath+0x2651/0x2de0 [ 355.014057] ? warn_alloc+0x120/0x120 [ 355.017864] ? print_usage_bug+0xc0/0xc0 [ 355.021927] ? warn_alloc+0x120/0x120 [ 355.025748] ? warn_alloc+0x120/0x120 [ 355.029561] ? print_usage_bug+0xc0/0xc0 [ 355.033626] ? print_usage_bug+0xc0/0xc0 [ 355.037687] ? __lock_acquire+0x62f/0x4c20 [ 355.041929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.047484] ? should_fail+0x22d/0xd01 [ 355.051379] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.056513] ? __lock_acquire+0x62f/0x4c20 [ 355.060768] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.065887] ? __lock_acquire+0x62f/0x4c20 [ 355.070119] ? should_fail+0x22d/0xd01 [ 355.074010] ? find_held_lock+0x36/0x1c0 [ 355.078080] ? mark_held_locks+0x130/0x130 [ 355.082320] ? mark_held_locks+0x130/0x130 [ 355.086554] ? zap_class+0x640/0x640 [ 355.090269] ? zap_class+0x640/0x640 [ 355.094014] ? print_usage_bug+0xc0/0xc0 [ 355.098073] ? do_raw_spin_unlock+0xa7/0x330 [ 355.102488] ? zap_class+0x640/0x640 [ 355.106200] ? print_usage_bug+0xc0/0xc0 [ 355.110260] ? wq_watchdog_touch+0x9c/0xfe [ 355.114498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.120068] ? check_preemption_disabled+0x48/0x280 [ 355.125095] ? __lock_is_held+0xb5/0x140 [ 355.129163] __alloc_pages_nodemask+0xad8/0xea0 [ 355.133844] ? zap_class+0x640/0x640 [ 355.137580] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 355.142609] ? find_held_lock+0x36/0x1c0 [ 355.146691] ? ____cache_alloc_node+0x1c7/0x1e0 [ 355.151361] ? lock_downgrade+0x900/0x900 [ 355.155516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.161059] cache_grow_begin+0xa5/0x8c0 [ 355.165124] ? do_raw_spin_unlock+0xa7/0x330 [ 355.169542] fallback_alloc+0x204/0x2e0 [ 355.173555] ____cache_alloc_node+0x1c7/0x1e0 [ 355.178074] kmem_cache_alloc_node+0xe3/0x730 [ 355.182598] ? ipv6_get_ifaddr+0x42e/0x620 [ 355.186856] __alloc_skb+0x119/0x770 [ 355.190573] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.195852] ? netdev_alloc_frag+0x1f0/0x1f0 [ 355.200267] ? lock_downgrade+0x900/0x900 [ 355.204421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.209985] ? refcount_sub_and_test_checked+0x203/0x310 [ 355.215445] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 355.220901] ? addrconf_rs_timer+0x690/0x690 [ 355.225327] ndisc_alloc_skb+0x144/0x340 [ 355.229407] ndisc_send_rs+0x331/0x6e0 [ 355.233314] addrconf_rs_timer+0x314/0x690 [ 355.237571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.241819] call_timer_fn+0x272/0x920 [ 355.245704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.249961] ? process_timeout+0x40/0x40 [ 355.254035] ? mark_held_locks+0xc7/0x130 [ 355.258185] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.262680] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.267180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.271418] ? lockdep_hardirqs_on+0x296/0x5b0 [ 355.276004] ? trace_hardirqs_on+0xbd/0x310 [ 355.280324] ? kasan_check_read+0x11/0x20 [ 355.284469] ? __run_timers+0x7da/0xc70 [ 355.288445] ? trace_hardirqs_off_caller+0x310/0x310 [ 355.293555] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.297795] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.302026] __run_timers+0x7e5/0xc70 [ 355.305841] ? timer_fixup_init+0x70/0x70 [ 355.309991] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 355.315013] ? zap_class+0x640/0x640 [ 355.318776] ? print_usage_bug+0xc0/0xc0 [ 355.322841] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 355.328038] ? find_held_lock+0x36/0x1c0 [ 355.332103] ? zap_class+0x640/0x640 [ 355.335826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.341365] ? check_preemption_disabled+0x48/0x280 [ 355.346404] ? __lock_is_held+0xb5/0x140 [ 355.350498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.356053] ? check_preemption_disabled+0x48/0x280 [ 355.361075] run_timer_softirq+0x52/0xb0 [ 355.365136] ? rcu_read_lock_sched_held+0x14f/0x180 [ 355.370153] __do_softirq+0x308/0xb7e [ 355.373994] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 355.378485] ? lock_downgrade+0x900/0x900 [ 355.382648] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 355.387763] ? pvclock_read_flags+0x160/0x160 [ 355.392265] ? lapic_next_event+0x5a/0x90 [ 355.396413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.401965] ? kvm_clock_read+0x18/0x30 [ 355.405967] ? kvm_sched_clock_read+0x9/0x20 [ 355.410384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.415954] ? check_preemption_disabled+0x48/0x280 [ 355.420984] irq_exit+0x17f/0x1c0 [ 355.424478] smp_apic_timer_interrupt+0x1cb/0x760 [ 355.429320] ? smp_reschedule_interrupt+0x109/0x650 [ 355.434342] ? smp_call_function_single_interrupt+0x650/0x650 [ 355.440230] ? interrupt_entry+0xb5/0xc0 [ 355.444303] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.449321] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.454340] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.459183] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.464203] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.469235] ? task_prio+0x50/0x50 [ 355.472796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.478330] ? check_preemption_disabled+0x48/0x280 [ 355.483370] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.488234] apic_timer_interrupt+0xf/0x20 [ 355.492459] [ 355.494690] RIP: 0010:console_unlock+0x102f/0x1190 [ 355.499616] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 355.518526] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 355.526230] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 355.533494] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 355.540865] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 355.548132] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 355.555403] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 355.562757] ? netconsole_netdev_event+0x280/0x280 [ 355.567735] ? console_unlock+0x1026/0x1190 [ 355.572083] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 355.576757] ? lock_release+0xa00/0xa00 [ 355.580734] ? retint_kernel+0x2d/0x2d [ 355.584635] vprintk_emit+0x391/0x990 [ 355.588442] ? wake_up_klogd+0x180/0x180 [ 355.592510] ? match_held_lock+0x811/0x8d0 [ 355.596752] ? mark_held_locks+0xc7/0x130 [ 355.600904] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.605869] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.610371] vprintk_default+0x28/0x30 [ 355.614308] vprintk_func+0x7e/0x181 [ 355.618037] printk+0xa7/0xcf [ 355.621159] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 355.625917] ? _raw_spin_unlock_irq+0x60/0x80 [ 355.630449] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 355.635747] dump_header+0x7cc/0xf72 [ 355.639486] ? pagefault_out_of_memory+0x197/0x197 [ 355.644422] ? __lock_acquire+0x62f/0x4c20 [ 355.648667] ? percpu_ref_get_many+0x240/0x240 [ 355.653272] ? print_usage_bug+0xc0/0xc0 [ 355.657358] ? zap_class+0x640/0x640 [ 355.661080] ? print_usage_bug+0xc0/0xc0 [ 355.665144] ? zap_class+0x640/0x640 [ 355.668860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.674401] ? find_held_lock+0x36/0x1c0 [ 355.678490] ? mark_held_locks+0xc7/0x130 [ 355.682659] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 355.687793] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 355.692908] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 355.697510] ? trace_hardirqs_on+0xbd/0x310 [ 355.701828] ? kasan_check_read+0x11/0x20 [ 355.705994] ? ___ratelimit+0x3b4/0x672 [ 355.709974] ? trace_hardirqs_off_caller+0x310/0x310 [ 355.715083] ? trace_hardirqs_on+0x310/0x310 [ 355.719514] ? lock_downgrade+0x900/0x900 [ 355.723663] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 355.728766] ? ___ratelimit+0x3b9/0x672 [ 355.732747] ? idr_get_free+0xf70/0xf70 [ 355.736728] ? find_held_lock+0x36/0x1c0 [ 355.740800] oom_kill_process.cold.27+0x10/0x903 [ 355.745561] ? zap_class+0x640/0x640 [ 355.749280] ? check_preemption_disabled+0x48/0x280 [ 355.754298] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 355.759226] ? kasan_check_read+0x11/0x20 [ 355.763380] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.768656] ? oom_evaluate_task+0x540/0x540 [ 355.773072] ? find_held_lock+0x36/0x1c0 [ 355.777140] ? out_of_memory+0x974/0x1430 [ 355.781288] ? lock_downgrade+0x900/0x900 [ 355.785438] ? check_preemption_disabled+0x48/0x280 [ 355.790455] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 355.795385] ? kasan_check_read+0x11/0x20 [ 355.799536] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.804819] ? rcu_softirq_qs+0x20/0x20 [ 355.808797] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 355.814335] ? oom_evaluate_task+0x302/0x540 [ 355.818762] out_of_memory+0xa84/0x1430 [ 355.822745] ? oom_killer_disable+0x3a0/0x3a0 [ 355.827356] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 355.832307] ? __ww_mutex_check_waiters+0x160/0x160 [ 355.837336] __alloc_pages_slowpath+0x232c/0x2de0 [ 355.842325] ? warn_alloc+0x120/0x120 [ 355.846128] ? mark_held_locks+0x130/0x130 [ 355.850370] ? find_get_entry+0xaae/0x1120 [ 355.854613] ? filemap_map_pages+0x1a20/0x1a20 [ 355.859202] ? zap_class+0x640/0x640 [ 355.862947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.868489] ? check_preemption_disabled+0x48/0x280 [ 355.873523] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.879067] ? should_fail+0x22d/0xd01 [ 355.883015] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.888124] ? zap_class+0x640/0x640 [ 355.891885] ? __lock_is_held+0xb5/0x140 [ 355.896007] ? mark_held_locks+0x130/0x130 [ 355.900250] ? lock_release+0xa00/0xa00 [ 355.904227] ? perf_trace_sched_process_exec+0x860/0x860 [ 355.909677] ? xa_load+0x2ba/0x460 [ 355.913224] ? lock_downgrade+0x900/0x900 [ 355.917378] ? __might_sleep+0x95/0x190 [ 355.921357] __alloc_pages_nodemask+0xad8/0xea0 [ 355.926037] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 355.931055] ? __page_cache_alloc+0x191/0x5c0 [ 355.935554] ? xa_load+0x2e1/0x460 [ 355.939097] ? xa_clear_mark+0x40/0x40 [ 355.942987] ? zap_class+0x640/0x640 [ 355.946715] ? zap_class+0x640/0x640 [ 355.950442] ? zap_class+0x640/0x640 [ 355.954154] ? zap_class+0x640/0x640 [ 355.957888] ? __do_page_cache_readahead+0x663/0x810 [ 355.962995] ? find_held_lock+0x36/0x1c0 [ 355.967062] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 355.972626] alloc_pages_current+0x173/0x350 [ 355.977042] __page_cache_alloc+0x38c/0x5c0 [ 355.981363] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 355.986291] ? kasan_check_read+0x11/0x20 [ 355.990437] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.995738] ? generic_perform_write+0x6a0/0x6a0 [ 356.000500] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.006041] ? check_preemption_disabled+0x48/0x280 [ 356.011070] filemap_fault+0x1595/0x25f0 [ 356.015144] ? __lock_page_or_retry+0xa00/0xa00 [ 356.019830] ? mark_held_locks+0x130/0x130 [ 356.024080] ? filemap_map_pages+0xd6b/0x1a20 [ 356.028580] ? lock_downgrade+0x900/0x900 [ 356.032728] ? check_preemption_disabled+0x48/0x280 [ 356.037748] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.042677] ? kasan_check_read+0x11/0x20 [ 356.046824] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.052100] ? rcu_softirq_qs+0x20/0x20 [ 356.056091] ? filemap_map_pages+0xd92/0x1a20 [ 356.060618] ? queue_work_on+0x12c/0x1e0 [ 356.064701] ? find_get_entries_tag+0x1400/0x1400 [ 356.069563] ? debug_object_destroy+0x2b0/0x2b0 [ 356.074239] ? lock_pi_update_atomic+0x150/0x150 [ 356.078996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.084546] ? lock_acquire+0x1ed/0x520 [ 356.088530] ? ext4_filemap_fault+0x7a/0xad [ 356.092872] ? lock_release+0xa00/0xa00 [ 356.096845] ? perf_trace_sched_process_exec+0x860/0x860 [ 356.102299] ? print_usage_bug+0xc0/0xc0 [ 356.106365] ? print_usage_bug+0xc0/0xc0 [ 356.110449] ? down_read+0x8d/0x120 [ 356.114073] ? ext4_filemap_fault+0x7a/0xad [ 356.118395] ? __down_interruptible+0x700/0x700 [ 356.123077] ext4_filemap_fault+0x82/0xad [ 356.127235] __do_fault+0x100/0x6b0 [ 356.130864] ? perf_tp_event+0xc20/0xc20 [ 356.134958] ? pmd_devmap_trans_unstable+0x220/0x220 [ 356.140088] ? mark_held_locks+0x130/0x130 [ 356.144343] ? mark_held_locks+0x130/0x130 [ 356.148610] ? debug_smp_processor_id+0x1c/0x20 [ 356.153288] ? perf_trace_lock+0x14d/0x7a0 [ 356.157542] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.163086] __handle_mm_fault+0x3ea0/0x5be0 [ 356.167502] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 356.172343] ? lock_is_held_type+0x210/0x210 [ 356.176755] ? __switch_to_asm+0x34/0x70 [ 356.180824] ? __switch_to_asm+0x34/0x70 [ 356.184930] ? zap_class+0x640/0x640 [ 356.188671] ? zap_class+0x640/0x640 [ 356.192413] ? __x64_sys_futex+0x53e/0x6a0 [ 356.196651] ? find_held_lock+0x36/0x1c0 [ 356.200723] ? handle_mm_fault+0x42a/0xc70 [ 356.204995] ? lock_downgrade+0x900/0x900 [ 356.209143] ? check_preemption_disabled+0x48/0x280 [ 356.214175] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.219125] ? kasan_check_read+0x11/0x20 [ 356.223281] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.228557] ? rcu_softirq_qs+0x20/0x20 [ 356.232531] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.237639] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.243217] ? check_preemption_disabled+0x48/0x280 [ 356.248284] handle_mm_fault+0x54f/0xc70 [ 356.252365] ? __handle_mm_fault+0x5be0/0x5be0 [ 356.256965] ? find_vma+0x34/0x190 [ 356.260529] __do_page_fault+0x5e8/0xe60 [ 356.264597] ? trace_hardirqs_off+0xb8/0x310 [ 356.269018] do_page_fault+0xf2/0x7e0 [ 356.272819] ? vmalloc_sync_all+0x30/0x30 [ 356.276987] ? error_entry+0x70/0xd0 [ 356.280702] ? trace_hardirqs_off_caller+0xbb/0x310 [ 356.285722] ? trace_hardirqs_on_caller+0xc0/0x310 [ 356.290653] ? syscall_return_slowpath+0x5e0/0x5e0 [ 356.295580] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.300424] ? trace_hardirqs_on_caller+0x310/0x310 [ 356.305441] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.310912] ? prepare_exit_to_usermode+0x291/0x3b0 [ 356.315961] ? page_fault+0x8/0x30 [ 356.319517] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.324363] ? page_fault+0x8/0x30 [ 356.327925] page_fault+0x1e/0x30 [ 356.331427] RIP: 0033:0x45ddf3 [ 356.334648] Code: Bad RIP value. [ 356.338025] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 356.343384] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 356.350653] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 356.357924] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 356.365207] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 356.372477] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 356.379797] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 356.379799] Mem-Info: [ 356.379864] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 356.379864] active_file:10 inactive_file:13 isolated_file:0 [ 356.379864] unevictable:0 dirty:0 writeback:0 unstable:0 [ 356.379864] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 356.379864] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 356.379864] free:13776 free_pcp:523 free_cma:0 [ 356.386875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.389319] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 356.422333] Call Trace: [ 356.431687] 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 [ 356.459344] [ 356.461929] lowmem_reserve[]: 0 2818 6321 6321 [ 356.488048] dump_stack+0x244/0x39d [ 356.490170] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 356.494777] ? dump_stack_print_info.cold.1+0x20/0x20 [ 356.498380] lowmem_reserve[]: 0 0 3503 3503 [ 356.525707] warn_alloc.cold.116+0xb7/0x1bd [ 356.530864] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 356.535176] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 356.539472] lowmem_reserve[]: 0 0 0 0 [ 356.568531] ? lock_downgrade+0x900/0x900 [ 356.573361] 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 [ 356.577161] ? trace_hardirqs_off+0xb8/0x310 [ 356.581287] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 356.594805] ? trace_hardirqs_off+0xb8/0x310 [ 356.599187] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 356.614269] __alloc_pages_slowpath+0x2651/0x2de0 [ 356.618652] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 356.633067] ? warn_alloc+0x120/0x120 [ 356.637879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 356.646714] ? print_usage_bug+0xc0/0xc0 [ 356.650487] 1516 total pagecache pages [ 356.659073] ? warn_alloc+0x120/0x120 [ 356.663118] 0 pages in swap cache [ 356.666992] ? warn_alloc+0x120/0x120 [ 356.670775] Swap cache stats: add 0, delete 0, find 0/0 [ 356.674220] ? print_usage_bug+0xc0/0xc0 [ 356.677996] Free swap = 0kB [ 356.683350] ? kvm_clock_read+0x18/0x30 [ 356.687390] Total swap = 0kB [ 356.690405] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 356.694367] 1965979 pages RAM [ 356.697375] ? print_usage_bug+0xc0/0xc0 [ 356.702365] 0 pages HighMem/MovableOnly [ 356.705463] ? __lock_acquire+0x62f/0x4c20 [ 356.709510] 342854 pages reserved [ 356.713478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.717695] 0 pages cma reserved [ 356.721155] ? should_fail+0x22d/0xd01 [ 356.726727] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 356.730019] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.730037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.730055] ? __lock_acquire+0x62f/0x4c20 [ 356.734000] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 356.740564] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.745850] syz-fuzzer cpuset=/ mems_allowed=0 [ 356.750977] ? __lock_acquire+0x62f/0x4c20 [ 356.779290] ? should_fail+0x22d/0xd01 [ 356.783179] ? rcu_irq_exit+0x1a2/0x390 [ 356.787162] ? mark_held_locks+0x130/0x130 [ 356.791403] ? mark_held_locks+0x130/0x130 [ 356.795681] ? mark_held_locks+0xc7/0x130 [ 356.799830] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 356.804851] ? zap_class+0x640/0x640 [ 356.808609] ? print_usage_bug+0xc0/0xc0 [ 356.812698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.818240] ? check_preemption_disabled+0x48/0x280 [ 356.823264] ? __lock_is_held+0xb5/0x140 [ 356.827336] __alloc_pages_nodemask+0xad8/0xea0 [ 356.832011] ? zap_class+0x640/0x640 [ 356.835760] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 356.840797] ? find_held_lock+0x36/0x1c0 [ 356.844868] ? ____cache_alloc_node+0x1c7/0x1e0 [ 356.849551] ? lock_downgrade+0x900/0x900 [ 356.853706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.859249] cache_grow_begin+0xa5/0x8c0 [ 356.863315] ? do_raw_spin_unlock+0xa7/0x330 [ 356.867748] fallback_alloc+0x204/0x2e0 [ 356.871748] ____cache_alloc_node+0x1c7/0x1e0 [ 356.876254] kmem_cache_alloc_node+0xe3/0x730 [ 356.880756] ? ipv6_get_ifaddr+0x42e/0x620 [ 356.885009] __alloc_skb+0x119/0x770 [ 356.888719] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.894029] ? netdev_alloc_frag+0x1f0/0x1f0 [ 356.898437] ? lock_downgrade+0x900/0x900 [ 356.902609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.908147] ? refcount_sub_and_test_checked+0x203/0x310 [ 356.913602] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 356.919066] ? addrconf_rs_timer+0x690/0x690 [ 356.923519] ndisc_alloc_skb+0x144/0x340 [ 356.927586] ndisc_send_rs+0x331/0x6e0 [ 356.931486] addrconf_rs_timer+0x314/0x690 [ 356.935731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.939985] call_timer_fn+0x272/0x920 [ 356.943872] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.948111] ? process_timeout+0x40/0x40 [ 356.952183] ? mark_held_locks+0xc7/0x130 [ 356.956334] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.960832] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.965326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.969577] ? lockdep_hardirqs_on+0x296/0x5b0 [ 356.974169] ? trace_hardirqs_on+0xbd/0x310 [ 356.978509] ? kasan_check_read+0x11/0x20 [ 356.982658] ? __run_timers+0x7da/0xc70 [ 356.986722] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.991844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.996087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.000320] __run_timers+0x7e5/0xc70 [ 357.004130] ? timer_fixup_init+0x70/0x70 [ 357.008280] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 357.013302] ? zap_class+0x640/0x640 [ 357.017039] ? print_usage_bug+0xc0/0xc0 [ 357.021103] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 357.026314] ? find_held_lock+0x36/0x1c0 [ 357.030400] ? zap_class+0x640/0x640 [ 357.034120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.039659] ? check_preemption_disabled+0x48/0x280 [ 357.044686] ? __lock_is_held+0xb5/0x140 [ 357.048767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.054322] ? check_preemption_disabled+0x48/0x280 [ 357.059353] run_timer_softirq+0x52/0xb0 [ 357.063432] ? rcu_read_lock_sched_held+0x14f/0x180 [ 357.068464] __do_softirq+0x308/0xb7e [ 357.072269] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 357.076767] ? lock_downgrade+0x900/0x900 [ 357.080920] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 357.086073] ? pvclock_read_flags+0x160/0x160 [ 357.090571] ? lapic_next_event+0x5a/0x90 [ 357.094736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.100292] ? kvm_clock_read+0x18/0x30 [ 357.104295] ? kvm_sched_clock_read+0x9/0x20 [ 357.108726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.114263] ? check_preemption_disabled+0x48/0x280 [ 357.119288] irq_exit+0x17f/0x1c0 [ 357.122743] smp_apic_timer_interrupt+0x1cb/0x760 [ 357.127587] ? smp_reschedule_interrupt+0x109/0x650 [ 357.132603] ? smp_call_function_single_interrupt+0x650/0x650 [ 357.138495] ? interrupt_entry+0xb5/0xc0 [ 357.142572] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.147610] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.152628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.157474] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.162526] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.167543] ? task_prio+0x50/0x50 [ 357.171084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.176623] ? check_preemption_disabled+0x48/0x280 [ 357.181648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.186507] apic_timer_interrupt+0xf/0x20 [ 357.190756] [ 357.193001] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 357.197949] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 357.216847] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 357.224553] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 357.231819] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 357.239093] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 357.246359] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 357.253626] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 357.260959] rcu_read_lock_held+0xa9/0xc0 [ 357.265113] list_lru_count_one+0x31a/0x450 [ 357.269438] ? list_lru_isolate_move+0x3c0/0x3c0 [ 357.274219] ? deferred_split_count+0x65/0x170 [ 357.278802] ? shrink_huge_zero_page_count+0xc8/0x100 [ 357.284008] super_cache_count+0x153/0x2e0 [ 357.288253] do_shrink_slab+0x1b1/0xd30 [ 357.292233] ? lock_acquire+0x1ed/0x520 [ 357.296213] ? snapshot_refaults+0x290/0x290 [ 357.300642] ? lock_release+0xa00/0xa00 [ 357.304622] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 357.309564] ? down_read_trylock+0xda/0x140 [ 357.313894] ? shrink_slab+0x207/0x8c0 [ 357.317785] ? downgrade_write+0x270/0x270 [ 357.322028] shrink_slab+0x389/0x8c0 [ 357.325760] ? shrink_active_list+0x1f00/0x1f00 [ 357.330438] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 357.336070] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 357.341180] ? cgroup_procs_write_finish+0xf0/0xf0 [ 357.346131] ? find_held_lock+0x36/0x1c0 [ 357.350218] shrink_node+0x431/0x16b0 [ 357.354030] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 357.359332] ? shrink_node_memcg+0x18f0/0x18f0 [ 357.363920] ? kvm_clock_read+0x18/0x30 [ 357.367986] ? ktime_get+0x2c1/0x400 [ 357.371707] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 357.376205] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 357.381746] ? __cpuset_node_allowed+0x19b/0x660 [ 357.386510] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 357.392223] ? delayacct_end+0x5a/0x100 [ 357.396206] do_try_to_free_pages+0x3e7/0x1290 [ 357.400785] ? zap_class+0x640/0x640 [ 357.404519] ? shrink_node+0x16b0/0x16b0 [ 357.408586] ? __lock_is_held+0xb5/0x140 [ 357.412662] try_to_free_pages+0x4d0/0xb90 [ 357.416901] ? do_try_to_free_pages+0x1290/0x1290 [ 357.421761] ? lock_acquire+0x1ed/0x520 [ 357.425739] ? set_page_refcounted+0x280/0x280 [ 357.430329] ? lock_release+0xa00/0xa00 [ 357.434303] ? _raw_spin_unlock_irq+0x60/0x80 [ 357.438800] ? psi_memstall_enter+0x240/0x2b0 [ 357.443294] ? psi_memstall_tick+0x230/0x230 [ 357.447750] __alloc_pages_slowpath+0xa48/0x2de0 [ 357.452535] ? warn_alloc+0x120/0x120 [ 357.456347] ? mark_held_locks+0x130/0x130 [ 357.460588] ? find_get_entry+0xaae/0x1120 [ 357.464836] ? filemap_map_pages+0x1a20/0x1a20 [ 357.469426] ? zap_class+0x640/0x640 [ 357.473154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.478694] ? check_preemption_disabled+0x48/0x280 [ 357.483710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.489252] ? should_fail+0x22d/0xd01 [ 357.493146] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.498252] ? zap_class+0x640/0x640 [ 357.501997] ? __lock_is_held+0xb5/0x140 [ 357.506069] ? mark_held_locks+0x130/0x130 [ 357.510327] ? lock_release+0xa00/0xa00 [ 357.514304] ? perf_trace_sched_process_exec+0x860/0x860 [ 357.519755] ? xa_load+0x2ba/0x460 [ 357.523296] ? lock_downgrade+0x900/0x900 [ 357.527451] ? __might_sleep+0x95/0x190 [ 357.531462] __alloc_pages_nodemask+0xad8/0xea0 [ 357.536137] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 357.541157] ? __page_cache_alloc+0x191/0x5c0 [ 357.545650] ? xa_load+0x2e1/0x460 [ 357.549191] ? xa_clear_mark+0x40/0x40 [ 357.553084] ? zap_class+0x640/0x640 [ 357.556806] ? zap_class+0x640/0x640 [ 357.560521] ? zap_class+0x640/0x640 [ 357.564238] ? __do_page_cache_readahead+0x663/0x810 [ 357.569346] ? find_held_lock+0x36/0x1c0 [ 357.573435] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 357.579030] alloc_pages_current+0x173/0x350 [ 357.583456] __page_cache_alloc+0x38c/0x5c0 [ 357.587778] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.592711] ? kasan_check_read+0x11/0x20 [ 357.596865] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.602147] ? generic_perform_write+0x6a0/0x6a0 [ 357.607149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.612701] ? check_preemption_disabled+0x48/0x280 [ 357.617723] filemap_fault+0x1595/0x25f0 [ 357.621827] ? __lock_page_or_retry+0xa00/0xa00 [ 357.626527] ? mark_held_locks+0x130/0x130 [ 357.630792] ? filemap_map_pages+0xd6b/0x1a20 [ 357.635288] ? lock_downgrade+0x900/0x900 [ 357.639435] ? check_preemption_disabled+0x48/0x280 [ 357.644465] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.649407] ? kasan_check_read+0x11/0x20 [ 357.653568] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.658847] ? rcu_softirq_qs+0x20/0x20 [ 357.662835] ? filemap_map_pages+0xd92/0x1a20 [ 357.667346] ? print_usage_bug+0xc0/0xc0 [ 357.671412] ? find_get_entries_tag+0x1400/0x1400 [ 357.676268] ? __kasan_slab_free+0x102/0x150 [ 357.680697] ? kasan_slab_free+0xe/0x10 [ 357.684682] ? kmem_cache_free+0x83/0x290 [ 357.688845] ? __sigqueue_free.part.29+0x74/0x90 [ 357.693631] ? lock_acquire+0x1ed/0x520 [ 357.697606] ? ext4_filemap_fault+0x7a/0xad [ 357.701942] ? lock_release+0xa00/0xa00 [ 357.705917] ? perf_trace_sched_process_exec+0x860/0x860 [ 357.711377] ? print_usage_bug+0xc0/0xc0 [ 357.715462] ? print_usage_bug+0xc0/0xc0 [ 357.719532] ? down_read+0x8d/0x120 [ 357.723156] ? ext4_filemap_fault+0x7a/0xad [ 357.727479] ? __down_interruptible+0x700/0x700 [ 357.732158] ext4_filemap_fault+0x82/0xad [ 357.736312] __do_fault+0x100/0x6b0 [ 357.739952] ? pmd_devmap_trans_unstable+0x220/0x220 [ 357.745063] ? mark_held_locks+0x130/0x130 [ 357.749330] ? mark_held_locks+0x130/0x130 [ 357.753569] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 357.759112] ? rcu_pm_notify+0xc0/0xc0 [ 357.763007] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.768550] __handle_mm_fault+0x3ea0/0x5be0 [ 357.772972] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 357.777818] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.782316] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 357.786902] ? trace_hardirqs_on+0xbd/0x310 [ 357.791229] ? kasan_check_read+0x11/0x20 [ 357.795375] ? __set_current_blocked+0xdf/0x120 [ 357.800043] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.805158] ? zap_class+0x640/0x640 [ 357.808872] ? zap_class+0x640/0x640 [ 357.812591] ? find_held_lock+0x36/0x1c0 [ 357.816666] ? handle_mm_fault+0x42a/0xc70 [ 357.820906] ? lock_downgrade+0x900/0x900 [ 357.825062] ? check_preemption_disabled+0x48/0x280 [ 357.830080] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.835008] ? kasan_check_read+0x11/0x20 [ 357.839154] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.844429] ? rcu_softirq_qs+0x20/0x20 [ 357.848409] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.853523] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.859074] ? check_preemption_disabled+0x48/0x280 [ 357.864100] handle_mm_fault+0x54f/0xc70 [ 357.868164] ? __handle_mm_fault+0x5be0/0x5be0 [ 357.872753] ? find_vma+0x34/0x190 [ 357.876316] __do_page_fault+0x5e8/0xe60 [ 357.880379] ? exit_to_usermode_loop+0x1f4/0x380 [ 357.885143] do_page_fault+0xf2/0x7e0 [ 357.888989] ? vmalloc_sync_all+0x30/0x30 [ 357.893167] ? error_entry+0x70/0xd0 [ 357.896882] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.901896] ? trace_hardirqs_on_caller+0xc0/0x310 [ 357.906861] ? syscall_return_slowpath+0x5e0/0x5e0 [ 357.911792] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.916636] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.921654] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.927109] ? prepare_exit_to_usermode+0x291/0x3b0 [ 357.932128] ? page_fault+0x8/0x30 [ 357.935695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.940576] ? page_fault+0x8/0x30 [ 357.944116] page_fault+0x1e/0x30 [ 357.947595] RIP: 0033:0x45db60 [ 357.950800] Code: Bad RIP value. [ 357.954195] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 357.959553] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 357.966833] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 357.974100] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 357.981381] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 357.988647] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 357.995966] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 357.996043] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 358.002995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.003001] Call Trace: [ 358.003007] [ 358.003034] dump_stack+0x244/0x39d [ 358.003053] ? dump_stack_print_info.cold.1+0x20/0x20 [ 358.003088] warn_alloc.cold.116+0xb7/0x1bd [ 358.010322] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.018907] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 358.021470] syz-fuzzer cpuset=/ mems_allowed=0 [ 358.023614] ? lock_downgrade+0x900/0x900 [ 358.060431] ? trace_hardirqs_off+0xb8/0x310 [ 358.064846] ? trace_hardirqs_off+0xb8/0x310 [ 358.069266] __alloc_pages_slowpath+0x2651/0x2de0 [ 358.074138] ? warn_alloc+0x120/0x120 [ 358.077957] ? print_usage_bug+0xc0/0xc0 [ 358.082026] ? warn_alloc+0x120/0x120 [ 358.085835] ? warn_alloc+0x120/0x120 [ 358.089636] ? print_usage_bug+0xc0/0xc0 [ 358.093717] ? print_usage_bug+0xc0/0xc0 [ 358.097786] ? __lock_acquire+0x62f/0x4c20 [ 358.102072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.107615] ? should_fail+0x22d/0xd01 [ 358.111508] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.116703] ? __lock_acquire+0x62f/0x4c20 [ 358.120981] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.126088] ? __lock_acquire+0x62f/0x4c20 [ 358.130324] ? should_fail+0x22d/0xd01 [ 358.134214] ? find_held_lock+0x36/0x1c0 [ 358.138319] ? mark_held_locks+0x130/0x130 [ 358.142602] ? mark_held_locks+0x130/0x130 [ 358.146836] ? zap_class+0x640/0x640 [ 358.150555] ? zap_class+0x640/0x640 [ 358.154276] ? print_usage_bug+0xc0/0xc0 [ 358.158341] ? do_raw_spin_unlock+0xa7/0x330 [ 358.162762] ? zap_class+0x640/0x640 [ 358.166505] ? print_usage_bug+0xc0/0xc0 [ 358.170593] ? wq_watchdog_touch+0x9c/0xfe [ 358.174875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.180414] ? check_preemption_disabled+0x48/0x280 [ 358.185456] ? __lock_is_held+0xb5/0x140 [ 358.189524] __alloc_pages_nodemask+0xad8/0xea0 [ 358.194207] ? zap_class+0x640/0x640 [ 358.197926] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 358.202986] ? find_held_lock+0x36/0x1c0 [ 358.207076] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.211747] ? lock_downgrade+0x900/0x900 [ 358.215908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.221460] cache_grow_begin+0xa5/0x8c0 [ 358.225521] ? do_raw_spin_unlock+0xa7/0x330 [ 358.229952] fallback_alloc+0x204/0x2e0 [ 358.233950] ____cache_alloc_node+0x1c7/0x1e0 [ 358.238487] kmem_cache_alloc_node+0xe3/0x730 [ 358.243003] ? ipv6_get_ifaddr+0x42e/0x620 [ 358.247248] __alloc_skb+0x119/0x770 [ 358.250975] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.256262] ? netdev_alloc_frag+0x1f0/0x1f0 [ 358.260672] ? lock_downgrade+0x900/0x900 [ 358.264834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.270373] ? refcount_sub_and_test_checked+0x203/0x310 [ 358.275836] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 358.281289] ? addrconf_rs_timer+0x690/0x690 [ 358.285709] ndisc_alloc_skb+0x144/0x340 [ 358.289779] ndisc_send_rs+0x331/0x6e0 [ 358.293681] addrconf_rs_timer+0x314/0x690 [ 358.297940] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.302201] call_timer_fn+0x272/0x920 [ 358.306088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.310322] ? process_timeout+0x40/0x40 [ 358.314403] ? mark_held_locks+0xc7/0x130 [ 358.318581] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.323076] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.327581] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.331845] ? lockdep_hardirqs_on+0x296/0x5b0 [ 358.336478] ? trace_hardirqs_on+0xbd/0x310 [ 358.340804] ? kasan_check_read+0x11/0x20 [ 358.344984] ? __run_timers+0x7da/0xc70 [ 358.348986] ? trace_hardirqs_off_caller+0x310/0x310 [ 358.354096] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.358337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.362571] __run_timers+0x7e5/0xc70 [ 358.366410] ? timer_fixup_init+0x70/0x70 [ 358.370559] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 358.375576] ? zap_class+0x640/0x640 [ 358.379295] ? print_usage_bug+0xc0/0xc0 [ 358.383360] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 358.388557] ? find_held_lock+0x36/0x1c0 [ 358.392624] ? zap_class+0x640/0x640 [ 358.396346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.401883] ? check_preemption_disabled+0x48/0x280 [ 358.406914] ? __lock_is_held+0xb5/0x140 [ 358.410986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.416525] ? check_preemption_disabled+0x48/0x280 [ 358.421547] run_timer_softirq+0x52/0xb0 [ 358.425609] ? rcu_read_lock_sched_held+0x14f/0x180 [ 358.430625] __do_softirq+0x308/0xb7e [ 358.434428] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 358.438922] ? lock_downgrade+0x900/0x900 [ 358.443088] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 358.448214] ? pvclock_read_flags+0x160/0x160 [ 358.452715] ? lapic_next_event+0x5a/0x90 [ 358.456865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.462409] ? kvm_clock_read+0x18/0x30 [ 358.466382] ? kvm_sched_clock_read+0x9/0x20 [ 358.470792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.476331] ? check_preemption_disabled+0x48/0x280 [ 358.481377] irq_exit+0x17f/0x1c0 [ 358.484834] smp_apic_timer_interrupt+0x1cb/0x760 [ 358.489682] ? smp_reschedule_interrupt+0x109/0x650 [ 358.494705] ? smp_call_function_single_interrupt+0x650/0x650 [ 358.500593] ? interrupt_entry+0xb5/0xc0 [ 358.504657] ? trace_hardirqs_off_caller+0xbb/0x310 [ 358.509694] ? trace_hardirqs_off_caller+0xbb/0x310 [ 358.514714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.519557] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.524574] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.529593] ? task_prio+0x50/0x50 [ 358.533133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.538672] ? check_preemption_disabled+0x48/0x280 [ 358.543696] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.548545] apic_timer_interrupt+0xf/0x20 [ 358.552790] [ 358.555028] RIP: 0010:console_unlock+0x102f/0x1190 [ 358.559967] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d e1 77 ec 07 00 74 25 e8 5a 07 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 af 86 5d 00 e9 f2 fb ff [ 358.578870] RSP: 0000:ffff8881b62c5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 358.586578] RAX: ffff8881c39dc480 RBX: 0000000000000200 RCX: 1ffff1103873b9b3 [ 358.593861] RDX: 0000000000000000 RSI: ffffffff81658396 RDI: 0000000000000293 [ 358.601130] RBP: ffff8881b62c5fb0 R08: ffff8881c39dcd98 R09: 0000000000000006 [ 358.608398] R10: 0000000000000000 R11: ffff8881c39dc480 R12: dffffc0000000000 [ 358.615676] R13: ffffffff849d2810 R14: dffffc0000000000 R15: ffffffff89b63cf0 [ 358.622977] ? netconsole_netdev_event+0x280/0x280 [ 358.627911] ? console_unlock+0x1026/0x1190 [ 358.632259] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 358.636943] ? lock_release+0xa00/0xa00 [ 358.640923] ? retint_kernel+0x2d/0x2d [ 358.644841] vprintk_emit+0x391/0x990 [ 358.648672] ? wake_up_klogd+0x180/0x180 [ 358.652744] ? match_held_lock+0x811/0x8d0 [ 358.657000] ? mark_held_locks+0xc7/0x130 [ 358.661148] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.665641] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.670147] vprintk_default+0x28/0x30 [ 358.674055] vprintk_func+0x7e/0x181 [ 358.677820] printk+0xa7/0xcf [ 358.680977] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 358.685741] ? _raw_spin_unlock_irq+0x60/0x80 [ 358.690253] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 358.695570] dump_header+0x7cc/0xf72 [ 358.699324] ? pagefault_out_of_memory+0x197/0x197 [ 358.704318] ? __lock_acquire+0x62f/0x4c20 [ 358.708569] ? percpu_ref_get_many+0x240/0x240 [ 358.713167] ? print_usage_bug+0xc0/0xc0 [ 358.717238] ? zap_class+0x640/0x640 [ 358.720974] ? print_usage_bug+0xc0/0xc0 [ 358.725054] ? zap_class+0x640/0x640 [ 358.728781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.734326] ? find_held_lock+0x36/0x1c0 [ 358.738572] ? mark_held_locks+0xc7/0x130 [ 358.742736] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 358.747854] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 358.752965] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 358.757564] ? trace_hardirqs_on+0xbd/0x310 [ 358.761888] ? kasan_check_read+0x11/0x20 [ 358.766058] ? ___ratelimit+0x3b4/0x672 [ 358.770036] ? trace_hardirqs_off_caller+0x310/0x310 [ 358.775144] ? trace_hardirqs_on+0x310/0x310 [ 358.779554] ? lock_downgrade+0x900/0x900 [ 358.783711] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 358.788844] ? ___ratelimit+0x3b9/0x672 [ 358.792822] ? idr_get_free+0xf70/0xf70 [ 358.796802] ? find_held_lock+0x36/0x1c0 [ 358.800878] oom_kill_process.cold.27+0x10/0x903 [ 358.805650] ? zap_class+0x640/0x640 [ 358.809392] ? check_preemption_disabled+0x48/0x280 [ 358.814415] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 358.819344] ? kasan_check_read+0x11/0x20 [ 358.823491] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.828772] ? oom_evaluate_task+0x540/0x540 [ 358.833200] ? find_held_lock+0x36/0x1c0 [ 358.837268] ? out_of_memory+0x974/0x1430 [ 358.841419] ? lock_downgrade+0x900/0x900 [ 358.845569] ? check_preemption_disabled+0x48/0x280 [ 358.850595] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 358.855522] ? kasan_check_read+0x11/0x20 [ 358.859689] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.864977] ? rcu_softirq_qs+0x20/0x20 [ 358.868984] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 358.874520] ? oom_evaluate_task+0x302/0x540 [ 358.878932] out_of_memory+0xa84/0x1430 [ 358.882957] ? oom_killer_disable+0x3a0/0x3a0 [ 358.887460] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 358.892413] ? __ww_mutex_check_waiters+0x160/0x160 [ 358.897467] __alloc_pages_slowpath+0x232c/0x2de0 [ 358.902351] ? warn_alloc+0x120/0x120 [ 358.906150] ? mark_held_locks+0x130/0x130 [ 358.910391] ? find_get_entry+0xaae/0x1120 [ 358.914644] ? filemap_map_pages+0x1a20/0x1a20 [ 358.919239] ? zap_class+0x640/0x640 [ 358.922968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.928527] ? check_preemption_disabled+0x48/0x280 [ 358.933546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.939089] ? should_fail+0x22d/0xd01 [ 358.942989] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.948093] ? zap_class+0x640/0x640 [ 358.951833] ? __lock_is_held+0xb5/0x140 [ 358.955901] ? mark_held_locks+0x130/0x130 [ 358.960147] ? lock_release+0xa00/0xa00 [ 358.964122] ? perf_trace_sched_process_exec+0x860/0x860 [ 358.969568] ? xa_load+0x2ba/0x460 [ 358.973114] ? lock_downgrade+0x900/0x900 [ 358.977269] ? __might_sleep+0x95/0x190 [ 358.981246] __alloc_pages_nodemask+0xad8/0xea0 [ 358.985921] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 358.990966] ? __page_cache_alloc+0x191/0x5c0 [ 358.995461] ? xa_load+0x2e1/0x460 [ 358.999033] ? xa_clear_mark+0x40/0x40 [ 359.002965] ? zap_class+0x640/0x640 [ 359.006685] ? zap_class+0x640/0x640 [ 359.010406] ? zap_class+0x640/0x640 [ 359.014121] ? zap_class+0x640/0x640 [ 359.017835] ? __do_page_cache_readahead+0x663/0x810 [ 359.022955] ? find_held_lock+0x36/0x1c0 [ 359.027021] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 359.032567] alloc_pages_current+0x173/0x350 [ 359.037000] __page_cache_alloc+0x38c/0x5c0 [ 359.041320] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 359.046250] ? kasan_check_read+0x11/0x20 [ 359.050396] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.055678] ? generic_perform_write+0x6a0/0x6a0 [ 359.060449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.066004] ? check_preemption_disabled+0x48/0x280 [ 359.071032] filemap_fault+0x1595/0x25f0 [ 359.075106] ? __lock_page_or_retry+0xa00/0xa00 [ 359.079778] ? mark_held_locks+0x130/0x130 [ 359.084027] ? filemap_map_pages+0xd6b/0x1a20 [ 359.088523] ? lock_downgrade+0x900/0x900 [ 359.092671] ? check_preemption_disabled+0x48/0x280 [ 359.097689] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 359.102619] ? kasan_check_read+0x11/0x20 [ 359.106770] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.112050] ? rcu_softirq_qs+0x20/0x20 [ 359.116036] ? filemap_map_pages+0xd92/0x1a20 [ 359.120534] ? queue_work_on+0x12c/0x1e0 [ 359.124605] ? find_get_entries_tag+0x1400/0x1400 [ 359.129455] ? debug_object_destroy+0x2b0/0x2b0 [ 359.134127] ? lock_pi_update_atomic+0x150/0x150 [ 359.138880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.144429] ? lock_acquire+0x1ed/0x520 [ 359.148400] ? ext4_filemap_fault+0x7a/0xad [ 359.152727] ? lock_release+0xa00/0xa00 [ 359.156702] ? perf_trace_sched_process_exec+0x860/0x860 [ 359.162154] ? print_usage_bug+0xc0/0xc0 [ 359.166217] ? print_usage_bug+0xc0/0xc0 [ 359.170287] ? down_read+0x8d/0x120 [ 359.173912] ? ext4_filemap_fault+0x7a/0xad [ 359.178247] ? __down_interruptible+0x700/0x700 [ 359.182926] ext4_filemap_fault+0x82/0xad [ 359.187089] __do_fault+0x100/0x6b0 [ 359.190717] ? perf_tp_event+0xc20/0xc20 [ 359.194780] ? pmd_devmap_trans_unstable+0x220/0x220 [ 359.199885] ? mark_held_locks+0x130/0x130 [ 359.204120] ? mark_held_locks+0x130/0x130 [ 359.208361] ? debug_smp_processor_id+0x1c/0x20 [ 359.213031] ? perf_trace_lock+0x14d/0x7a0 [ 359.217272] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.222824] __handle_mm_fault+0x3ea0/0x5be0 [ 359.227256] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 359.232101] ? lock_is_held_type+0x210/0x210 [ 359.236513] ? __switch_to_asm+0x34/0x70 [ 359.240576] ? __switch_to_asm+0x34/0x70 [ 359.244660] ? zap_class+0x640/0x640 [ 359.248372] ? zap_class+0x640/0x640 [ 359.252087] ? __x64_sys_futex+0x53e/0x6a0 [ 359.256327] ? find_held_lock+0x36/0x1c0 [ 359.260402] ? handle_mm_fault+0x42a/0xc70 [ 359.264649] ? lock_downgrade+0x900/0x900 [ 359.268829] ? check_preemption_disabled+0x48/0x280 [ 359.273848] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 359.278781] ? kasan_check_read+0x11/0x20 [ 359.282926] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.288216] ? rcu_softirq_qs+0x20/0x20 [ 359.292193] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.297312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.302852] ? check_preemption_disabled+0x48/0x280 [ 359.307879] handle_mm_fault+0x54f/0xc70 [ 359.311974] ? __handle_mm_fault+0x5be0/0x5be0 [ 359.316575] ? find_vma+0x34/0x190 [ 359.320134] __do_page_fault+0x5e8/0xe60 [ 359.324203] ? trace_hardirqs_off+0xb8/0x310 [ 359.328663] do_page_fault+0xf2/0x7e0 [ 359.332468] ? vmalloc_sync_all+0x30/0x30 [ 359.336634] ? error_entry+0x70/0xd0 [ 359.340359] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.345373] ? trace_hardirqs_on_caller+0xc0/0x310 [ 359.350312] ? syscall_return_slowpath+0x5e0/0x5e0 [ 359.355241] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.360090] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.365105] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.370558] ? prepare_exit_to_usermode+0x291/0x3b0 [ 359.375570] ? page_fault+0x8/0x30 [ 359.379113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.383982] ? page_fault+0x8/0x30 [ 359.387524] page_fault+0x1e/0x30 [ 359.390982] RIP: 0033:0x45ddf3 [ 359.394197] Code: Bad RIP value. [ 359.397570] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 359.402931] RAX: ffffffffffffff92 RBX: 000000003b97badf RCX: 000000000045ddf3 [ 359.410211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fadc0 [ 359.417476] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 359.424743] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 359.432026] R13: 000000c42a92e300 R14: 0000000000000001 R15: 0000000000000000 [ 359.439312] warn_alloc_show_mem: 1 callbacks suppressed [ 359.439324] CPU: 1 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 359.439326] Mem-Info: [ 359.439356] active_anon:53233 inactive_anon:1440 isolated_anon:0 [ 359.439356] active_file:10 inactive_file:13 isolated_file:0 [ 359.439356] unevictable:0 dirty:0 writeback:0 unstable:0 [ 359.439356] slab_reclaimable:9536 slab_unreclaimable:1451672 [ 359.439356] mapped:40962 shmem:1493 pagetables:640 bounce:0 [ 359.439356] free:13776 free_pcp:523 free_cma:0 [ 359.444728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.451747] Node 0 active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 359.454150] Call Trace: [ 359.487191] 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 [ 359.496538] [ 359.524193] lowmem_reserve[]: 0 2818 6321 6321 [ 359.526776] dump_stack+0x244/0x39d [ 359.552869] Node 0 DMA32 free:25224kB 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:248kB local_pcp:0kB free_cma:0kB [ 359.555056] ? dump_stack_print_info.cold.1+0x20/0x20 [ 359.559606] lowmem_reserve[]: 0 0 3503 3503 [ 359.563235] warn_alloc.cold.116+0xb7/0x1bd [ 359.590527] Node 0 Normal free:13972kB min:37364kB low:46704kB high:56044kB active_anon:212932kB inactive_anon:5760kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2560kB bounce:0kB free_pcp:1844kB local_pcp:612kB free_cma:0kB [ 359.595713] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 359.600006] lowmem_reserve[]: 0 0 0 0 [ 359.604321] ? lock_downgrade+0x900/0x900 [ 359.633813] 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 [ 359.638657] ? trace_hardirqs_off+0xb8/0x310 [ 359.642427] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB [ 359.646585] ? trace_hardirqs_off+0xb8/0x310 [ 359.660085] Node 0 Normal: 873*4kB (UMEH) 556*8kB (UMEH) 225*16kB (UMEH) 68*32kB (UME) 4*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13972kB [ 359.664490] __alloc_pages_slowpath+0x2651/0x2de0 [ 359.679729] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 359.684160] ? warn_alloc+0x120/0x120 [ 359.699458] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 359.699467] 1516 total pagecache pages [ 359.704302] ? warn_alloc+0x120/0x120 [ 359.713118] 0 pages in swap cache [ 359.716921] ? lockdep_on+0x50/0x50 [ 359.725484] Swap cache stats: add 0, delete 0, find 0/0 [ 359.729375] ? warn_alloc+0x120/0x120 [ 359.733151] Free swap = 0kB [ 359.736595] ? print_usage_bug+0xc0/0xc0 [ 359.740198] Total swap = 0kB [ 359.745627] ? __save_stack_trace+0x8d/0xf0 [ 359.749368] 1965979 pages RAM [ 359.752377] ? print_usage_bug+0xc0/0xc0 [ 359.756412] 0 pages HighMem/MovableOnly [ 359.759426] ? kasan_check_read+0x11/0x20 [ 359.763719] 342854 pages reserved [ 359.766818] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 359.770851] 0 pages cma reserved [ 359.774819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.779016] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 359.782396] ? should_fail+0x22d/0xd01 [ 359.788342] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 359.791616] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.797129] syz-fuzzer cpuset=/ mems_allowed=0 [ 359.803616] ? __lock_acquire+0x62f/0x4c20 [ 359.831566] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.836671] ? __lock_acquire+0x62f/0x4c20 [ 359.840908] ? should_fail+0x22d/0xd01 [ 359.844823] ? mark_held_locks+0x130/0x130 [ 359.849063] ? mark_held_locks+0x130/0x130 [ 359.853306] ? zap_class+0x640/0x640 [ 359.857019] ? print_usage_bug+0xc0/0xc0 [ 359.861089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.866627] ? check_preemption_disabled+0x48/0x280 [ 359.871654] ? __lock_is_held+0xb5/0x140 [ 359.875725] __alloc_pages_nodemask+0xad8/0xea0 [ 359.880392] ? zap_class+0x640/0x640 [ 359.884113] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 359.889140] ? find_held_lock+0x36/0x1c0 [ 359.893209] ? ____cache_alloc_node+0x1c7/0x1e0 [ 359.897879] ? lock_downgrade+0x900/0x900 [ 359.902037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.907596] cache_grow_begin+0xa5/0x8c0 [ 359.911662] ? do_raw_spin_unlock+0xa7/0x330 [ 359.916091] fallback_alloc+0x204/0x2e0 [ 359.920073] ____cache_alloc_node+0x1c7/0x1e0 [ 359.924592] kmem_cache_alloc_node+0xe3/0x730 [ 359.929087] ? ipv6_get_ifaddr+0x42e/0x620 [ 359.933333] __alloc_skb+0x119/0x770 [ 359.937049] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.942343] ? netdev_alloc_frag+0x1f0/0x1f0 [ 359.946750] ? lock_downgrade+0x900/0x900 [ 359.950908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.956456] ? refcount_sub_and_test_checked+0x203/0x310 [ 359.961911] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 359.967385] ? addrconf_rs_timer+0x690/0x690 [ 359.971804] ndisc_alloc_skb+0x144/0x340 [ 359.975881] ndisc_send_rs+0x331/0x6e0 [ 359.979776] addrconf_rs_timer+0x314/0x690 [ 359.984021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.988266] call_timer_fn+0x272/0x920 [ 359.992152] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.996391] ? process_timeout+0x40/0x40 [ 360.000468] ? mark_held_locks+0xc7/0x130 [ 360.004621] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.009127] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.013621] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.017854] ? lockdep_hardirqs_on+0x296/0x5b0 [ 360.022462] ? trace_hardirqs_on+0xbd/0x310 [ 360.026795] ? kasan_check_read+0x11/0x20 [ 360.030949] ? __run_timers+0x7da/0xc70 [ 360.034924] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.040049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.044286] __run_timers+0x7e5/0xc70 [ 360.048098] ? timer_fixup_init+0x70/0x70 [ 360.052253] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 360.057285] ? zap_class+0x640/0x640 [ 360.061015] ? print_usage_bug+0xc0/0xc0 [ 360.065106] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 360.070305] ? find_held_lock+0x36/0x1c0 [ 360.074374] ? zap_class+0x640/0x640 [ 360.078099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.083651] ? check_preemption_disabled+0x48/0x280 [ 360.088706] ? __lock_is_held+0xb5/0x140 [ 360.092787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.098324] ? check_preemption_disabled+0x48/0x280 [ 360.103345] run_timer_softirq+0x52/0xb0 [ 360.107406] ? rcu_read_lock_sched_held+0x14f/0x180 [ 360.112426] __do_softirq+0x308/0xb7e [ 360.116234] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 360.120728] ? lock_downgrade+0x900/0x900 [ 360.124885] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 360.130007] ? pvclock_read_flags+0x160/0x160 [ 360.134518] ? lapic_next_event+0x5a/0x90 [ 360.138668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.144210] ? kvm_clock_read+0x18/0x30 [ 360.148184] ? kvm_sched_clock_read+0x9/0x20 [ 360.152594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.158131] ? check_preemption_disabled+0x48/0x280 [ 360.163155] irq_exit+0x17f/0x1c0 [ 360.166606] smp_apic_timer_interrupt+0x1cb/0x760 [ 360.171468] ? smp_reschedule_interrupt+0x109/0x650 [ 360.176486] ? smp_call_function_single_interrupt+0x650/0x650 [ 360.182372] ? interrupt_entry+0xb5/0xc0 [ 360.186456] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.191520] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.196540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.201384] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.206415] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.211464] ? task_prio+0x50/0x50 [ 360.215008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.220546] ? check_preemption_disabled+0x48/0x280 [ 360.225570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.230419] apic_timer_interrupt+0xf/0x20 [ 360.234651] [ 360.236889] RIP: 0010:lock_is_held_type+0x7a/0x210 [ 360.241838] Code: 85 c0 0f 85 46 01 00 00 48 c7 c7 68 fb 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6c 01 00 00 <48> 83 3d b6 1e f1 07 00 0f 84 2a 01 00 00 9c 58 0f 1f 44 00 00 48 [ 360.260744] RSP: 0000:ffff8881c1b4dfd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 360.268466] RAX: dffffc0000000000 RBX: ffff8881c2888280 RCX: 0000000000000000 [ 360.275734] RDX: 1ffffffff12a3f6d RSI: 00000000ffffffff RDI: ffffffff8951fb68 [ 360.283004] RBP: ffff8881c1b4dff0 R08: ffff8881c2888280 R09: ffffed103b5e5b67 [ 360.290272] R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: 1ffff11038369c03 [ 360.297536] R13: ffffffff8959b940 R14: 0000000000000000 R15: ffffffffffffffff [ 360.304844] rcu_read_lock_held+0xa9/0xc0 [ 360.309008] list_lru_count_one+0x31a/0x450 [ 360.313335] ? list_lru_isolate_move+0x3c0/0x3c0 [ 360.318097] ? deferred_split_count+0x65/0x170 [ 360.322677] ? shrink_huge_zero_page_count+0xc8/0x100 [ 360.327877] super_cache_count+0x153/0x2e0 [ 360.332123] do_shrink_slab+0x1b1/0xd30 [ 360.336106] ? lock_acquire+0x1ed/0x520 [ 360.340088] ? snapshot_refaults+0x290/0x290 [ 360.344502] ? lock_release+0xa00/0xa00 [ 360.348492] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 360.353434] ? down_read_trylock+0xda/0x140 [ 360.357762] ? shrink_slab+0x207/0x8c0 [ 360.361649] ? downgrade_write+0x270/0x270 [ 360.365893] shrink_slab+0x389/0x8c0 [ 360.369609] ? shrink_active_list+0x1f00/0x1f00 [ 360.374287] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 360.379932] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 360.385080] ? cgroup_procs_write_finish+0xf0/0xf0 [ 360.390016] ? find_held_lock+0x36/0x1c0 [ 360.394087] shrink_node+0x431/0x16b0 [ 360.397902] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 360.403238] ? shrink_node_memcg+0x18f0/0x18f0 [ 360.407826] ? kvm_clock_read+0x18/0x30 [ 360.411803] ? ktime_get+0x2c1/0x400 [ 360.415524] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 360.420024] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 360.425577] ? __cpuset_node_allowed+0x19b/0x660 [ 360.430340] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 360.436069] ? delayacct_end+0x5a/0x100 [ 360.440054] do_try_to_free_pages+0x3e7/0x1290 [ 360.444637] ? zap_class+0x640/0x640 [ 360.448372] ? shrink_node+0x16b0/0x16b0 [ 360.452466] ? __lock_is_held+0xb5/0x140 [ 360.456557] try_to_free_pages+0x4d0/0xb90 [ 360.460801] ? do_try_to_free_pages+0x1290/0x1290 [ 360.465657] ? lock_acquire+0x1ed/0x520 [ 360.469632] ? set_page_refcounted+0x280/0x280 [ 360.474220] ? lock_release+0xa00/0xa00 [ 360.478198] ? _raw_spin_unlock_irq+0x60/0x80 [ 360.482702] ? psi_memstall_enter+0x240/0x2b0 [ 360.487207] ? psi_memstall_tick+0x230/0x230 [ 360.491627] __alloc_pages_slowpath+0xa48/0x2de0 [ 360.496426] ? warn_alloc+0x120/0x120 [ 360.500228] ? mark_held_locks+0x130/0x130 [ 360.504473] ? find_get_entry+0xaae/0x1120 [ 360.508752] ? filemap_map_pages+0x1a20/0x1a20 [ 360.513366] ? zap_class+0x640/0x640 [ 360.517127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.522668] ? check_preemption_disabled+0x48/0x280 [ 360.527685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.533227] ? should_fail+0x22d/0xd01 [ 360.537120] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.542225] ? zap_class+0x640/0x640 [ 360.545972] ? __lock_is_held+0xb5/0x140 [ 360.550044] ? mark_held_locks+0x130/0x130 [ 360.554289] ? lock_release+0xa00/0xa00 [ 360.558264] ? perf_trace_sched_process_exec+0x860/0x860 [ 360.563728] ? xa_load+0x2ba/0x460 [ 360.567270] ? lock_downgrade+0x900/0x900 [ 360.571437] ? __might_sleep+0x95/0x190 [ 360.575433] __alloc_pages_nodemask+0xad8/0xea0 [ 360.580131] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 360.585151] ? __page_cache_alloc+0x191/0x5c0 [ 360.589647] ? xa_load+0x2e1/0x460 [ 360.593189] ? xa_clear_mark+0x40/0x40 [ 360.597107] ? zap_class+0x640/0x640 [ 360.600847] ? zap_class+0x640/0x640 [ 360.604596] ? zap_class+0x640/0x640 [ 360.608302] ? __do_page_cache_readahead+0x663/0x810 [ 360.613429] ? find_held_lock+0x36/0x1c0 [ 360.617501] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 360.623046] alloc_pages_current+0x173/0x350 [ 360.627466] __page_cache_alloc+0x38c/0x5c0 [ 360.631788] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.636718] ? kasan_check_read+0x11/0x20 [ 360.640897] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.646176] ? generic_perform_write+0x6a0/0x6a0 [ 360.650972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.656517] ? check_preemption_disabled+0x48/0x280 [ 360.661550] filemap_fault+0x1595/0x25f0 [ 360.665657] ? __lock_page_or_retry+0xa00/0xa00 [ 360.670322] ? mark_held_locks+0x130/0x130 [ 360.674569] ? filemap_map_pages+0xd6b/0x1a20 [ 360.679072] ? lock_downgrade+0x900/0x900 [ 360.683224] ? check_preemption_disabled+0x48/0x280 [ 360.688242] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.693174] ? kasan_check_read+0x11/0x20 [ 360.697334] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.702609] ? rcu_softirq_qs+0x20/0x20 [ 360.706603] ? filemap_map_pages+0xd92/0x1a20 [ 360.711102] ? print_usage_bug+0xc0/0xc0 [ 360.715169] ? find_get_entries_tag+0x1400/0x1400 [ 360.720012] ? __kasan_slab_free+0x102/0x150 [ 360.724422] ? kasan_slab_free+0xe/0x10 [ 360.728401] ? kmem_cache_free+0x83/0x290 [ 360.732549] ? __sigqueue_free.part.29+0x74/0x90 [ 360.737831] ? lock_acquire+0x1ed/0x520 [ 360.741804] ? ext4_filemap_fault+0x7a/0xad [ 360.746132] ? lock_release+0xa00/0xa00 [ 360.750105] ? perf_trace_sched_process_exec+0x860/0x860 [ 360.755556] ? print_usage_bug+0xc0/0xc0 [ 360.759630] ? print_usage_bug+0xc0/0xc0 [ 360.763700] ? down_read+0x8d/0x120 [ 360.767329] ? ext4_filemap_fault+0x7a/0xad [ 360.771650] ? __down_interruptible+0x700/0x700 [ 360.776330] ext4_filemap_fault+0x82/0xad [ 360.780481] __do_fault+0x100/0x6b0 [ 360.784121] ? pmd_devmap_trans_unstable+0x220/0x220 [ 360.789240] ? mark_held_locks+0x130/0x130 [ 360.793479] ? mark_held_locks+0x130/0x130 [ 360.797733] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 360.803272] ? rcu_pm_notify+0xc0/0xc0 [ 360.807172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.812719] __handle_mm_fault+0x3ea0/0x5be0 [ 360.817154] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 360.822011] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.826509] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 360.831094] ? trace_hardirqs_on+0xbd/0x310 [ 360.835427] ? kasan_check_read+0x11/0x20 [ 360.839589] ? __set_current_blocked+0xdf/0x120 [ 360.844254] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.849364] ? zap_class+0x640/0x640 [ 360.853094] ? zap_class+0x640/0x640 [ 360.856812] ? find_held_lock+0x36/0x1c0 [ 360.860878] ? handle_mm_fault+0x42a/0xc70 [ 360.865127] ? lock_downgrade+0x900/0x900 [ 360.869278] ? check_preemption_disabled+0x48/0x280 [ 360.874298] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.879243] ? kasan_check_read+0x11/0x20 [ 360.883390] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.888667] ? rcu_softirq_qs+0x20/0x20 [ 360.892640] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.897742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.903293] ? check_preemption_disabled+0x48/0x280 [ 360.908349] handle_mm_fault+0x54f/0xc70 [ 360.912415] ? __handle_mm_fault+0x5be0/0x5be0 [ 360.917007] ? find_vma+0x34/0x190 [ 360.920570] __do_page_fault+0x5e8/0xe60 [ 360.924647] ? exit_to_usermode_loop+0x1f4/0x380 [ 360.929427] do_page_fault+0xf2/0x7e0 [ 360.933248] ? vmalloc_sync_all+0x30/0x30 [ 360.937401] ? error_entry+0x70/0xd0 [ 360.941292] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.946309] ? trace_hardirqs_on_caller+0xc0/0x310 [ 360.951258] ? syscall_return_slowpath+0x5e0/0x5e0 [ 360.956187] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.961031] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.966056] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.971510] ? prepare_exit_to_usermode+0x291/0x3b0 [ 360.976524] ? page_fault+0x8/0x30 [ 360.980071] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.984917] ? page_fault+0x8/0x30 [ 360.988472] page_fault+0x1e/0x30 [ 360.991927] RIP: 0033:0x45db60 [ 360.995138] Code: Bad RIP value. [ 360.998501] RSP: 002b:000000c420149ab8 EFLAGS: 00010286 [ 361.003859] RAX: 0000000000000000 RBX: 000000c420089c00 RCX: 000000000045ddf3 [ 361.011139] RDX: 000000c420149ac0 RSI: 000000c420149bf0 RDI: 0000000000000011 [ 361.018419] RBP: 000000c420135e30 R08: 0000000000000000 R09: 0000000000000000 [ 361.025715] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c426d0bef8 [ 361.032985] R13: 000000000000000f R14: 0000000000b82ca0 R15: 000000000000f48d [ 361.040286] CPU: 0 PID: 6071 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #164 [ 361.040357] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.047301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.047306] Call Trace: [ 361.047312] [ 361.047331] dump_stack+0x244/0x39d [ 361.047354] ? dump_stack_print_info.cold.1+0x20/0x20 [ 361.053898] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.063183] warn_alloc.cold.116+0xb7/0x1bd [ 361.065740] syz-fuzzer cpuset=/ mems_allowed=0 [ 361.067880] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.100590] ? lock_downgrade+0x900/0x900 [ 361.104756] ? trace_hardirqs_off+0xb8/0x310 [ 361.109178] ? trace_hardirqs_off+0xb8/0x310 [ 361.113611] __alloc_pages_slowpath+0x2651/0x2de0 [ 361.118498] ? warn_alloc+0x120/0x120 [ 361.122316] ? print_usage_bug+0xc0/0xc0 [ 361.126377] ? warn_alloc+0x120/0x120 [ 361.130182] ? warn_alloc+0x120/0x120 [ 361.133983] ? print_usage_bug+0xc0/0xc0 [ 361.138048] ? kvm_clock_read+0x18/0x30 [ 361.142036] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 361.147051] ? print_usage_bug+0xc0/0xc0 [ 361.151116] ? __lock_acquire+0x62f/0x4c20 [ 361.155401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.160955] ? should_fail+0x22d/0xd01 [ 361.164842] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.170123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.175230] ? __lock_acquire+0x62f/0x4c20 [ 361.179468] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.184579] ? __lock_acquire+0x62f/0x4c20 [ 361.188825] ? should_fail+0x22d/0xd01 [ 361.192714] ? rcu_irq_exit+0x1a2/0x390 [ 361.196702] ? mark_held_locks+0x130/0x130 [ 361.200953] ? mark_held_locks+0x130/0x130 [ 361.205194] ? mark_held_locks+0xc7/0x130 [ 361.209392] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 361.214409] ? zap_class+0x640/0x640 [ 361.218137] ? print_usage_bug+0xc0/0xc0 [ 361.222220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.227772] ? check_preemption_disabled+0x48/0x280 [ 361.232804] ? __lock_is_held+0xb5/0x140 [ 361.236871] __alloc_pages_nodemask+0xad8/0xea0 [ 361.241539] ? zap_class+0x640/0x640 [ 361.245260] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 361.250287] ? find_held_lock+0x36/0x1c0 [ 361.254361] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.259032] ? lock_downgrade+0x900/0x900 [ 361.263182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.268725] cache_grow_begin+0xa5/0x8c0 [ 361.272789] ? do_raw_spin_unlock+0xa7/0x330 [ 361.277204] fallback_alloc+0x204/0x2e0 [ 361.281186] ____cache_alloc_node+0x1c7/0x1e0 [ 361.285699] kmem_cache_alloc_node+0xe3/0x730 [ 361.290220] ? ipv6_get_ifaddr+0x42e/0x620