Warning: Permanently added '[localhost]:13310' (ECDSA) to the list of known hosts. [ 186.077003] oom_reaper: reaped process 7289 (syz-executor713), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 186.086113] oom_reaper: reaped process 7285 (syz-executor713), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 186.088323] syz-executor713 invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 186.089731] syz-executor713 cpuset=/ mems_allowed=0-1 [ 186.096811] CPU: 0 PID: 7278 Comm: syz-executor713 Not tainted 4.15.0-rc1+ #1 [ 186.097678] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 186.098666] Call Trace: [ 186.098966] dump_stack+0x145/0x1e1 [ 186.099381] ? arch_local_irq_restore+0x43/0x43 [ 186.099932] dump_header+0x279/0xdc0 [ 186.100364] ? __lock_acquire+0x6c7/0x44f0 [ 186.100843] ? oom_reaper.cold.25+0x28/0x28 [ 186.101656] ? debug_check_no_locks_freed+0x310/0x310 [ 186.102267] ? copy_trace+0x140/0x140 [ 186.102963] ? __lock_acquire+0x6c7/0x44f0 [ 186.103895] ? copy_trace+0x140/0x140 [ 186.104944] ? find_held_lock+0x3a/0x1d0 [ 186.106192] ? print_usage_bug+0xc0/0xc0 [ 186.106969] ? lock_downgrade+0x8e0/0x8e0 [ 186.107637] ? lock_acquire+0x1e5/0x540 [ 186.108077] ? ___ratelimit+0x137/0x637 [ 186.108546] ? lock_release+0xe90/0xe90 [ 186.109016] ? mark_held_locks+0xc8/0x130 [ 186.109506] ? do_raw_spin_trylock+0x190/0x190 [ 186.110052] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 186.110654] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 186.111246] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 186.111851] ? ___ratelimit+0x2cf/0x637 [ 186.112319] ? idr_get_free_cmn+0x1530/0x1530 [ 186.112856] ? find_held_lock+0x3a/0x1d0 [ 186.113337] oom_kill_process.cold.26+0xb/0xede [ 186.113885] ? lock_downgrade+0x8e0/0x8e0 [ 186.114379] ? refcount_dec_and_test+0x11/0x20 [ 186.114922] ? apparmor_capable+0x35e/0x560 [ 186.115419] ? oom_evaluate_task+0x450/0x450 [ 186.115866] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 186.116362] ? debug_smp_processor_id+0x17/0x20 [ 186.116890] ? rcu_is_watching+0x61/0x170 [ 186.117346] ? __lock_is_held+0xb8/0x140 [ 186.117797] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 186.118310] ? security_capable_noaudit+0x6c/0xa0 [ 186.118883] ? copy_trace+0x140/0x140 [ 186.119324] ? has_ns_capability_noaudit+0x15e/0x240 [ 186.119923] ? has_capability+0x20/0x20 [ 186.120392] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 186.120942] ? lock_acquire+0x1e5/0x540 [ 186.121412] ? oom_unkillable_task+0xfd/0x460 [ 186.121945] ? has_capability_noaudit+0x12/0x20 [ 186.122494] ? oom_badness+0x5b2/0x8f0 [ 186.122954] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 186.123497] ? find_held_lock+0x3a/0x1d0 [ 186.123975] ? lock_downgrade+0x8e0/0x8e0 [ 186.124464] ? oom_reaper+0x3a0/0x3a0 [ 186.124916] ? copy_trace+0x140/0x140 [ 186.125365] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 186.125907] ? debug_smp_processor_id+0x17/0x20 [ 186.126457] ? rcu_is_watching+0x61/0x170 [ 186.126947] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 186.127487] ? oom_evaluate_task+0x296/0x450 [ 186.128011] out_of_memory+0x71e/0x10d0 [ 186.128479] ? __alloc_pages_nodemask+0xa68/0xdc0 [ 186.129064] ? oom_killer_disable+0x2b0/0x2b0 [ 186.129593] ? __alloc_pages_slowpath+0xf61/0x2e60 [ 186.130177] ? __lock_is_held+0xb8/0x140 [ 186.130653] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 186.131186] __alloc_pages_slowpath+0x23ba/0x2e60 [ 186.131766] ? warn_alloc+0x110/0x110 [ 186.132208] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 186.132748] ? debug_smp_processor_id+0x17/0x20 [ 186.133304] ? __lock_is_held+0xb8/0x140 [ 186.133783] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 186.134329] ? print_usage_bug+0xc0/0xc0 [ 186.134807] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 186.135397] ? copy_trace+0x140/0x140 [ 186.135844] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 186.136443] ? __lock_acquire+0x6c7/0x44f0 [ 186.136947] ? __lock_is_held+0xb8/0x140 [ 186.137431] ? lock_release+0xe90/0xe90 [ 186.137900] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 186.138579] ? debug_smp_processor_id+0x17/0x20 [ 186.139137] ? rcu_is_watching+0x61/0x170 [ 186.139620] ? __might_sleep+0x95/0x190 [ 186.140090] __alloc_pages_nodemask+0xa68/0xdc0 [ 186.140640] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 186.141235] ? find_get_pages_contig+0x12b0/0x12b0 [ 186.141817] ? read_cache_pages+0x940/0x940 [ 186.142323] ? copy_trace+0x140/0x140 [ 186.142773] ? copy_trace+0x140/0x140 [ 186.143220] ? copy_trace+0x140/0x140 [ 186.143670] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 186.144214] ? find_held_lock+0x3a/0x1d0 [ 186.144696] ? lock_downgrade+0x8e0/0x8e0 [ 186.145193] alloc_pages_current+0xd6/0x1b0 [ 186.145705] __page_cache_alloc+0x291/0x4a0 [ 186.146214] ? debug_smp_processor_id+0x17/0x20 [ 186.146766] ? rcu_is_watching+0x61/0x170 [ 186.147258] ? trace_event_raw_event_file_check_and_advance_wb_err+0x4a0/0x4a0 [ 186.148124] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 186.148668] filemap_fault+0xf60/0x1c90 [ 186.149146] ? __lock_page_or_retry+0x440/0x440 [ 186.149699] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 186.150250] ? find_get_pages_range_tag+0xfd0/0xfd0 [ 186.150848] ? copy_trace+0x140/0x140 [ 186.151297] ? copy_trace+0x140/0x140 [ 186.151743] ? __lock_is_held+0xb8/0x140 [ 186.152220] ? lock_acquire+0x1e5/0x540 [ 186.152685] ? ext4_filemap_fault+0x78/0xa8 [ 186.153201] ? lock_release+0xe90/0xe90 [ 186.153667] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 186.154360] ? copy_trace+0x140/0x140 [ 186.154809] ? __might_sleep+0x95/0x190 [ 186.155278] ? down_read+0x91/0x150 [ 186.155703] ? ext4_filemap_fault+0x78/0xa8 [ 186.156212] ? __down_interruptible+0x6e0/0x6e0 [ 186.156762] ? lock_downgrade+0x8e0/0x8e0 [ 186.157255] ext4_filemap_fault+0x80/0xa8 [ 186.157744] __do_fault+0xde/0x3c0 [ 186.158161] ? print_bad_pte+0x740/0x740 [ 186.158636] ? do_raw_spin_unlock+0x1ec/0x2d0 [ 186.159166] ? do_raw_spin_trylock+0x190/0x190 [ 186.159705] ? add_mm_counter_fast+0xc0/0xc0 [ 186.160227] handle_pte_fault+0x1897/0x3c90 [ 186.160737] ? debug_check_no_locks_freed+0x310/0x310 [ 186.161352] ? debug_check_no_locks_freed+0x310/0x310 [ 186.161963] ? debug_check_no_locks_freed+0x310/0x310 [ 186.162575] ? finish_fault+0x2a0/0x2a0 [ 186.163040] ? finish_task_switch+0x1f9/0x7f0 [ 186.163570] ? finish_task_switch+0x1d0/0x7f0 [ 186.164100] ? debug_check_no_locks_freed+0x310/0x310 [ 186.164715] ? __schedule+0x829/0x1fa0 [ 186.165179] ? copy_trace+0x140/0x140 [ 186.165628] ? copy_trace+0x140/0x140 [ 186.166077] ? pci_mmcfg_check_reserved+0x120/0x120 [ 186.166655] ? timerqueue_add+0x12b/0x2c0 [ 186.167143] ? copy_trace+0x140/0x140 [ 186.167591] ? copy_trace+0x140/0x140 [ 186.168039] ? copy_trace+0x140/0x140 [ 186.168487] ? hrtimer_forward+0x1b0/0x1b0 [ 186.168991] ? find_held_lock+0x3a/0x1d0 [ 186.169470] ? add_mm_counter_fast+0xc0/0xc0 [ 186.169989] __handle_mm_fault+0xa41/0x21e0 [ 186.170496] ? __lock_is_held+0xb8/0x140 [ 186.170973] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 186.171514] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 186.172076] handle_mm_fault+0x2c3/0x810 [ 186.172554] ? __do_page_fault+0x289/0xb60 [ 186.173058] ? __handle_mm_fault+0x21e0/0x21e0 [ 186.173599] ? find_vma+0x1a/0x150 [ 186.174015] __do_page_fault+0x477/0xb60 [ 186.174496] ? vmalloc_fault+0xbd0/0xbd0 [ 186.174975] ? memset+0x31/0x40 [ 186.175362] do_page_fault+0xd9/0x6a8 [ 186.175811] ? vmalloc_sync_all+0x20/0x20 [ 186.176299] ? nanosleep_copyout+0xd0/0xd0 [ 186.176799] ? enqueue_hrtimer+0x480/0x480 [ 186.177319] ? lockdep_sys_exit+0x43/0x60 [ 186.177808] ? retint_user+0x18/0x18 [ 186.178250] do_async_page_fault+0x27/0x100 [ 186.178758] async_page_fault+0x22/0x30 [ 186.179224] RIP: 0033:0x439e54 [ 186.179601] RSP: 002b:00007fff77e732f0 EFLAGS: 00010217 [ 186.180232] RAX: 0000000000000000 RBX: 000000000002d313 RCX: 0000000000438600 [ 186.181091] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff77e732f0 [ 186.181944] RBP: 0000000000001c76 R08: 000000000221f880 R09: 0000000000000003 [ 186.182796] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 186.183650] R13: 00007fff77e73328 R14: 00007fff77e73330 R15: 0000000000000000 [ 186.207587] Mem-Info: [ 186.207883] active_anon:3161 inactive_anon:199 isolated_anon:0 [ 186.207883] active_file:12 inactive_file:13 isolated_file:0 [ 186.207883] unevictable:0 dirty:0 writeback:0 unstable:0 [ 186.207883] slab_reclaimable:8501 slab_unreclaimable:39488 [ 186.207883] mapped:2 shmem:241 pagetables:284 bounce:0 [ 186.207883] free:8994 free_pcp:98 free_cma:0 [ 186.219236] Node 0 active_anon:6792kB inactive_anon:484kB active_file:32kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 186.247741] Node 1 active_anon:5852kB inactive_anon:312kB active_file:16kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 186.267967] Node 0 DMA free:2572kB min:660kB low:824kB high:988kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 186.285054] lowmem_reserve[]: 0 561 561 561 [ 186.285542] Node 0 DMA32 free:11936kB min:23956kB low:29944kB high:35932kB active_anon:6792kB inactive_anon:484kB active_file:32kB inactive_file:36kB unevictable:0kB writepending:0kB present:1032192kB managed:577928kB mlocked:0kB kernel_stack:4832kB pagetables:184kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 186.288706] lowmem_reserve[]: 0 0 0 0 [ 186.289148] Node 1 DMA32 free:21464kB min:42964kB low:53704kB high:64444kB active_anon:5852kB inactive_anon:312kB active_file:16kB inactive_file:16kB unevictable:0kB writepending:0kB present:1048448kB managed:1031688kB mlocked:0kB kernel_stack:1728kB pagetables:952kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 186.309018] lowmem_reserve[]: 0 0 0 0 [ 186.309450] Node 0 DMA: 3*4kB (UM) 2*8kB (M) 3*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 1*512kB (E) 1*1024kB (M) 0*2048kB 0*4096kB = 2572kB [ 186.344512] Node 0 DMA32: 339*4kB (ME) 185*8kB (ME) 91*16kB (UME) 58*32kB (UME) 35*64kB (M) 12*128kB (M) 6*256kB (M) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 11972kB [ 186.346243] Node 1 DMA32: 407*4kB (UME) 225*8kB (UME) 160*16kB (UME) 109*32kB (UME) 69*64kB (UM) 29*128kB (UM) 10*256kB (UM) 3*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 21700kB [ 186.348008] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 186.348973] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 186.349915] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 186.370406] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 186.371365] 266 total pagecache pages [ 186.371789] 0 pages in swap cache [ 186.372171] Swap cache stats: add 0, delete 0, find 0/0 [ 186.372760] Free swap = 0kB [ 186.373094] Total swap = 0kB [ 186.373426] 524158 pages RAM [ 186.373758] 0 pages HighMem/MovableOnly [ 186.374193] 117777 pages reserved [ 186.374570] 0 pages cma reserved [ 186.374942] Unreclaimable slab info: [ 186.375357] Name Used Total [ 186.375984] pid_2 1KB 8KB [ 186.376602] bio-3 0KB 7KB [ 186.377209] batadv_tt_change_cache 2KB 7KB [ 186.377851] batadv_tl_cache 2KB 8KB [ 186.378456] TIPC 6KB 15KB [ 186.379056] SCTPv6 37KB 37KB [ 186.379656] DCCPv6 2KB 7KB [ 186.395615] DCCP 2KB 7KB [ 186.396243] bridge_fdb_cache 5KB 15KB [ 186.396835] fib6_nodes 57KB 120KB [ 186.397447] ip6_dst_cache 382KB 878KB [ 186.398078] RAWv6 75KB 94KB [ 186.398670] UDPv6 7KB 10KB [ 186.399311] TCPv6 2KB 5KB [ 186.399948] scsi_sense_cache 88KB 156KB [ 186.406443] sd_ext_cdb 0KB 7KB [ 186.407039] virtio_scsi_cmd 16KB 16KB [ 186.407631] sgpool-128 15KB 15KB [ 186.408219] sgpool-64 13KB 31KB [ 186.408855] sgpool-32 104KB 178KB [ 186.409449] sgpool-16 83KB 150KB [ 186.440835] sgpool-8 201KB 240KB [ 186.441455] cfq_io_cq 13KB 23KB [ 186.442054] cfq_queue 25KB 38KB [ 186.442664] mqueue_inode_cache 9KB 23KB [ 186.443302] bio-2 14KB 15KB [ 186.443908] jfs_mp 7KB 7KB [ 186.444523] nfs_commit_data 3KB 7KB [ 186.445131] nfs_write_data 34KB 44KB [ 186.445759] ext4_system_zone 0KB 7KB [ 186.446379] bio-1 1KB 7KB [ 186.446970] pid_namespace 1KB 7KB [ 186.447580] rpc_buffers 17KB 25KB [ 186.448176] rpc_tasks 2KB 7KB [ 186.448770] UNIX 120KB 146KB [ 186.449368] tcp_bind_bucket 0KB 8KB [ 186.449986] ip_fib_trie 9KB 19KB [ 186.469160] ip_fib_alias 40KB 83KB [ 186.469799] ip_dst_cache 6KB 7KB [ 186.497978] RAW 48KB 60KB [ 186.498601] UDP 32KB 32KB [ 186.499214] request_sock_TCP 3KB 3KB [ 186.499833] TCP 10KB 10KB [ 186.508868] hugetlbfs_inode_cache 2KB 7KB [ 186.509531] fscache_cookie_jar 0KB 7KB [ 186.518498] eventpoll_pwq 23KB 27KB [ 186.519145] eventpoll_epi 44KB 51KB [ 186.519788] inotify_inode_mark 6KB 11KB [ 186.536372] request_queue 160KB 166KB [ 186.537008] blkdev_requests 14KB 14KB [ 186.537644] blkdev_ioc 22KB 30KB [ 186.538276] bio-0 300KB 303KB [ 186.538901] biovec-(1<<(21-12)) 1394KB 1394KB [ 186.539558] biovec-64 87KB 173KB [ 186.545170] biovec-16 36KB 63KB [ 186.545802] bio_integrity_payload 1KB 8KB [ 186.546475] khugepaged_mm_slot 1KB 7KB [ 186.547121] uid_cache 4KB 7KB [ 186.547751] dmaengine-unmap-256 2KB 6KB [ 186.548397] dmaengine-unmap-128 1KB 3KB [ 186.549046] dmaengine-unmap-16 0KB 4KB [ 186.549679] dmaengine-unmap-2 0KB 3KB [ 186.556893] skbuff_fclone_cache 26KB 33KB [ 186.557537] skbuff_head_cache 920KB 1008KB [ 186.558150] configfs_dir_cache 0KB 8KB [ 186.558779] file_lock_cache 57KB 71KB [ 186.559390] file_lock_ctx 0KB 7KB [ 186.559987] fsnotify_mark_connector 3KB 7KB [ 186.590160] net_namespace 56KB 56KB [ 186.590752] shmem_inode_cache 4930KB 4943KB [ 186.591342] task_delay_info 83KB 263KB [ 186.591980] taskstats 7KB 7KB [ 186.592621] sigqueue 49KB 66KB [ 186.593268] kernfs_node_cache 9681KB 9894KB [ 186.593911] mnt_cache 59KB 92KB [ 186.594501] filp 2131KB 3937KB [ 186.595145] names_cache 16218KB 16218KB [ 186.595786] iint_cache 20KB 31KB [ 186.596427] key_jar 3KB 7KB [ 186.597068] nsproxy 0KB 7KB [ 186.597709] vm_area_struct 2625KB 3499KB [ 186.598349] mm_struct 550KB 862KB [ 186.598987] fs_cache 56KB 152KB [ 186.599626] files_cache 204KB 363KB [ 186.658188] signal_cache 725KB 984KB [ 186.658819] sighand_cache 705KB 1061KB [ 186.659431] task_struct 3333KB 3341KB [ 186.668358] cred_jar 323KB 772KB [ 186.668981] anon_vma_chain 1481KB 2012KB [ 186.669589] anon_vma 253KB 879KB [ 186.697377] pid 62KB 204KB [ 186.698002] Acpi-Operand 37KB 99KB [ 186.698625] Acpi-Namespace 16KB 23KB [ 186.699238] numa_policy 0KB 3KB [ 186.699855] debug_objects_cache 843KB 2092KB [ 186.704184] trace_event_file 242KB 243KB [ 186.704806] ftrace_event_field 348KB 354KB [ 186.705416] pool_workqueue 92KB 104KB [ 186.706031] task_group 4KB 7KB [ 186.706637] page->ptl 403KB 1015KB [ 186.707270] kmalloc-2097152 2050KB 2050KB [ 186.707883] kmalloc-524288 1028KB 1028KB [ 186.708497] kmalloc-262144 258KB 258KB [ 186.709110] kmalloc-131072 260KB 260KB [ 186.709720] kmalloc-65536 1254KB 1386KB [ 186.726862] kmalloc-32768 1089KB 1254KB [ 186.727483] kmalloc-16384 528KB 561KB [ 186.728100] kmalloc-8192 4661KB 4669KB [ 186.728704] kmalloc-4096 12252KB 12295KB [ 186.729313] kmalloc-2048 7429KB 8402KB [ 186.729919] kmalloc-1024 3967KB 5292KB [ 186.765700] kmalloc-512 2621KB 4057KB [ 186.766324] kmalloc-256 3014KB 3855KB [ 186.766921] kmalloc-128 611KB 838KB [ 186.767527] kmalloc-96 991KB 1584KB [ 186.768123] kmalloc-64 1303KB 1668KB [ 186.768711] kmalloc-32 1216KB 1433KB [ 186.769312] kmalloc-192 1044KB 1284KB [ 186.769923] kmem_cache 195KB 202KB [ 186.796064] Out of memory: Kill process 7280 (syz-executor713) score 1 or sacrifice child [ 186.797023] Killed process 7284 (syz-executor713) total-vm:17620kB, anon-rss:2108kB, file-rss:0kB, shmem-rss:0kB [ 186.822481] oom_reaper: reaped process 7284 (syz-executor713), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 186.827954] syz-executor713 invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 186.829344] syz-executor713 cpuset=/ mems_allowed=0-1 [ 186.829937] CPU: 0 PID: 7274 Comm: syz-executor713 Not tainted 4.15.0-rc1+ #1 [ 186.830046] syz-executor713: vmalloc: allocation failure, allocated 197914624 of 1226883072 bytes, mode:0x14200c0(GFP_USER), nodemask=(null) [ 186.830049] syz-executor713 cpuset=/ mems_allowed=0-1 [ 186.832827] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 186.833814] Call Trace: [ 186.834116] dump_stack+0x145/0x1e1 [ 186.834540] ? arch_local_irq_restore+0x43/0x43 [ 186.835078] dump_header+0x279/0xdc0 [ 186.835509] ? __lock_acquire+0x6c7/0x44f0 [ 186.836001] ? oom_reaper.cold.25+0x28/0x28 [ 186.836503] ? debug_check_no_locks_freed+0x310/0x310 [ 186.837108] ? copy_trace+0x140/0x140 [ 186.837549] ? __lock_acquire+0x6c7/0x44f0 [ 186.838039] ? copy_trace+0x140/0x140 [ 186.838483] ? find_held_lock+0x3a/0x1d0 [ 186.838954] ? print_usage_bug+0xc0/0xc0 [ 186.839426] ? lock_downgrade+0x8e0/0x8e0 [ 186.839911] ? lock_acquire+0x1e5/0x540 [ 186.840372] ? ___ratelimit+0x137/0x637 [ 186.840831] ? lock_release+0xe90/0xe90 [ 186.841276] ? mark_held_locks+0xc8/0x130 [ 186.841755] ? do_raw_spin_trylock+0x190/0x190 [ 186.842287] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 186.842891] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 186.843487] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 186.844090] ? ___ratelimit+0x2cf/0x637 [ 186.844561] ? idr_get_free_cmn+0x1530/0x1530 [ 186.845094] ? find_held_lock+0x3a/0x1d0 [ 186.845577] oom_kill_process.cold.26+0xb/0xede [ 186.846131] ? lock_downgrade+0x8e0/0x8e0 [ 186.846624] ? refcount_dec_and_test+0x11/0x20 [ 186.847163] ? apparmor_capable+0x35e/0x560 [ 186.847677] ? oom_evaluate_task+0x450/0x450 [ 186.848200] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 186.848742] ? debug_smp_processor_id+0x17/0x20 [ 186.849297] ? rcu_is_watching+0x61/0x170 [ 186.849789] ? __lock_is_held+0xb8/0x140 [ 186.850273] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 186.850819] ? security_capable_noaudit+0x6c/0xa0 [ 186.851393] ? copy_trace+0x140/0x140 [ 186.851849] ? has_ns_capability_noaudit+0x15e/0x240 [ 186.852452] ? has_capability+0x20/0x20 [ 186.852937] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 186.853480] ? lock_acquire+0x1e5/0x540 [ 186.853950] ? oom_unkillable_task+0xfd/0x460 [ 186.854483] ? has_capability_noaudit+0x12/0x20 [ 186.855037] ? oom_badness+0x5b2/0x8f0 [ 186.855496] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 186.856041] ? find_held_lock+0x3a/0x1d0 [ 186.856526] ? lock_downgrade+0x8e0/0x8e0 [ 186.857024] ? oom_reaper+0x3a0/0x3a0 [ 186.857470] ? copy_trace+0x140/0x140 [ 186.857922] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 186.858465] ? debug_smp_processor_id+0x17/0x20 [ 186.859017] ? rcu_is_watching+0x61/0x170 [ 186.859504] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 186.860049] ? oom_evaluate_task+0x296/0x450 [ 186.860573] out_of_memory+0x71e/0x10d0 [ 186.861051] ? oom_killer_disable+0x2b0/0x2b0 [ 186.861584] ? __alloc_pages_slowpath+0xf61/0x2e60 [ 186.862167] ? __lock_is_held+0xb8/0x140 [ 186.862650] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 186.863186] __alloc_pages_slowpath+0x23ba/0x2e60 [ 186.863767] ? warn_alloc+0x110/0x110 [ 186.864216] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 186.864756] ? debug_smp_processor_id+0x17/0x20 [ 186.865290] ? __lock_is_held+0xb8/0x140 [ 186.865743] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 186.866261] ? print_usage_bug+0xc0/0xc0 [ 186.866722] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 186.867283] ? copy_trace+0x140/0x140 [ 186.867714] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 186.868286] ? __lock_acquire+0x6c7/0x44f0 [ 186.868765] ? __lock_is_held+0xb8/0x140 [ 186.869224] ? lock_release+0xe90/0xe90 [ 186.869667] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 186.870328] ? debug_smp_processor_id+0x17/0x20 [ 186.870841] ? rcu_is_watching+0x61/0x170 [ 186.871315] ? __might_sleep+0x95/0x190 [ 186.871757] __alloc_pages_nodemask+0xa68/0xdc0 [ 186.872280] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 186.872844] ? find_get_pages_contig+0x12b0/0x12b0 [ 186.873381] ? read_cache_pages+0x940/0x940 [ 186.873862] ? copy_trace+0x140/0x140 [ 186.874285] ? copy_trace+0x140/0x140 [ 186.874709] ? copy_trace+0x140/0x140 [ 186.875132] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 186.875647] ? find_held_lock+0x3a/0x1d0 [ 186.876104] ? lock_downgrade+0x8e0/0x8e0 [ 186.876570] alloc_pages_current+0xd6/0x1b0 [ 186.877061] __page_cache_alloc+0x291/0x4a0 [ 186.877542] ? debug_smp_processor_id+0x17/0x20 [ 186.878071] ? rcu_is_watching+0x61/0x170 [ 186.878534] ? trace_event_raw_event_file_check_and_advance_wb_err+0x4a0/0x4a0 [ 186.879355] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 186.879862] filemap_fault+0xf60/0x1c90 [ 186.880304] ? __lock_page_or_retry+0x440/0x440 [ 186.880824] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 186.881345] ? find_get_pages_range_tag+0xfd0/0xfd0 [ 186.881907] ? copy_trace+0x140/0x140 [ 186.882333] ? copy_trace+0x140/0x140 [ 186.882770] ? __lock_is_held+0xb8/0x140 [ 186.883225] ? lock_acquire+0x1e5/0x540 [ 186.883672] ? ext4_filemap_fault+0x78/0xa8 [ 186.884157] ? lock_release+0xe90/0xe90 [ 186.884600] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 186.885266] ? copy_trace+0x140/0x140 [ 186.885693] ? __might_sleep+0x95/0x190 [ 186.886139] ? down_read+0x91/0x150 [ 186.886546] ? ext4_filemap_fault+0x78/0xa8 [ 186.887029] ? __down_interruptible+0x6e0/0x6e0 [ 186.887553] ? lock_downgrade+0x8e0/0x8e0 [ 186.888020] ext4_filemap_fault+0x80/0xa8 [ 186.888487] __do_fault+0xde/0x3c0 [ 186.888887] ? print_bad_pte+0x740/0x740 [ 186.889343] ? do_raw_spin_unlock+0x1ec/0x2d0 [ 186.889849] ? do_raw_spin_trylock+0x190/0x190 [ 186.890373] ? add_mm_counter_fast+0xc0/0xc0 [ 186.890872] handle_pte_fault+0x1897/0x3c90 [ 186.891360] ? debug_check_no_locks_freed+0x310/0x310 [ 186.891951] ? debug_check_no_locks_freed+0x310/0x310 [ 186.892534] ? debug_check_no_locks_freed+0x310/0x310 [ 186.893124] ? finish_fault+0x2a0/0x2a0 [ 186.893568] ? finish_task_switch+0x1f9/0x7f0 [ 186.894070] ? finish_task_switch+0x1d0/0x7f0 [ 186.894585] ? debug_check_no_locks_freed+0x310/0x310 [ 186.895171] ? __schedule+0x829/0x1fa0 [ 186.895606] ? copy_trace+0x140/0x140 [ 186.896041] ? copy_trace+0x140/0x140 [ 186.896467] ? pci_mmcfg_check_reserved+0x120/0x120 [ 186.897048] ? timerqueue_add+0x12b/0x2c0 [ 186.897518] ? copy_trace+0x140/0x140 [ 186.897947] ? copy_trace+0x140/0x140 [ 186.898376] ? copy_trace+0x140/0x140 [ 186.898805] ? hrtimer_forward+0x1b0/0x1b0 [ 186.899280] ? find_held_lock+0x3a/0x1d0 [ 186.899734] ? add_mm_counter_fast+0xc0/0xc0 [ 186.900231] __handle_mm_fault+0xa41/0x21e0 [ 186.900718] ? __lock_is_held+0xb8/0x140 [ 186.901178] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 186.901694] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 186.902240] handle_mm_fault+0x2c3/0x810 [ 186.902694] ? __do_page_fault+0x289/0xb60 [ 186.903174] ? __handle_mm_fault+0x21e0/0x21e0 [ 186.903696] ? find_vma+0x1a/0x150 [ 186.904092] __do_page_fault+0x477/0xb60 [ 186.904554] ? vmalloc_fault+0xbd0/0xbd0 [ 186.905019] ? memset+0x31/0x40 [ 186.905395] do_page_fault+0xd9/0x6a8 [ 186.905821] ? vmalloc_sync_all+0x20/0x20 [ 186.906284] ? nanosleep_copyout+0xd0/0xd0 [ 186.906759] ? enqueue_hrtimer+0x480/0x480 [ 186.907236] ? lockdep_sys_exit+0x43/0x60 [ 186.907698] ? retint_user+0x18/0x18 [ 186.908119] do_async_page_fault+0x27/0x100 [ 186.908600] async_page_fault+0x22/0x30 [ 186.909037] RIP: 0033:0x439e54 [ 186.909398] RSP: 002b:00007fff77e732f0 EFLAGS: 00010217 [ 186.910003] RAX: 0000000000000000 RBX: 000000000002d311 RCX: 0000000000438600 [ 186.910810] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff77e732f0 [ 186.911620] RBP: 0000000000001c71 R08: 000000000221f880 R09: 0000000000000003 [ 186.912429] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 186.913247] R13: 00007fff77e73328 R14: 00007fff77e73330 R15: 0000000000000000 [ 186.983458] CPU: 1 PID: 7289 Comm: syz-executor713 Not tainted 4.15.0-rc1+ #1 [ 186.988107] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 186.989015] Call Trace: [ 186.989308] dump_stack+0x145/0x1e1 [ 186.989718] ? arch_local_irq_restore+0x43/0x43 [ 186.990250] warn_alloc.cold.119+0xb2/0x1b8 [ 186.990737] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 186.991283] ? __lock_is_held+0xb8/0x140 [ 186.991743] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 186.992408] __vmalloc_node_range+0x3a4/0x630 [ 186.992921] __vmalloc_node_flags_caller+0x33/0x40 [ 186.993477] ? vmemdup_user+0x28/0x80 [ 186.993903] kvmalloc_node+0x5c/0x80 [ 186.994321] vmemdup_user+0x28/0x80 [ 186.994731] sctp_setsockopt_bindx+0x4d/0x230 [ 186.995235] ? __local_bh_enable_ip+0x160/0x240 [ 186.995761] sctp_setsockopt+0x1d3b/0x5c00 [ 186.996238] ? __mem_cgroup_threshold+0x910/0x910 [ 186.996783] ? sctp_setsockopt_paddr_thresholds+0x5c0/0x5c0 [ 186.997430] ? debug_check_no_locks_freed+0x310/0x310 [ 186.998012] ? find_held_lock+0x3a/0x1d0 [ 186.998471] ? lock_downgrade+0x8e0/0x8e0 [ 186.998936] ? pgtable_trans_huge_deposit+0x2f5/0x560 [ 186.999518] ? pudp_huge_clear_flush+0x200/0x200 [ 187.000051] ? lock_release+0xe90/0xe90 [ 187.000497] ? copy_trace+0x140/0x140 [ 187.000928] ? do_raw_spin_unlock+0x1ec/0x2d0 [ 187.001432] ? do_raw_spin_trylock+0x190/0x190 [ 187.001947] ? preempt_count_add+0x7d/0x160 [ 187.002432] ? clear_huge_page+0x12d/0x700 [ 187.002909] ? _raw_spin_unlock+0x2c/0x50 [ 187.003373] ? do_huge_pmd_anonymous_page+0x8ce/0x1560 [ 187.003965] ? find_held_lock+0x3a/0x1d0 [ 187.004424] ? lock_downgrade+0x8e0/0x8e0 [ 187.004902] ? lock_acquire+0x1e5/0x540 [ 187.005352] ? __fget+0xb5/0x580 [ 187.005733] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.006256] ? debug_smp_processor_id+0x17/0x20 [ 187.006781] ? rcu_is_watching+0x61/0x170 [ 187.007246] ? __lock_is_held+0xb8/0x140 [ 187.007702] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.008220] ? __fget+0x2fe/0x580 [ 187.008608] ? lock_downgrade+0x8e0/0x8e0 [ 187.009079] ? expand_files.part.8+0x850/0x850 [ 187.009596] ? handle_mm_fault+0x2c3/0x810 [ 187.010073] ? __do_page_fault+0x289/0xb60 [ 187.010552] ? __fget_light+0x2ab/0x400 [ 187.010997] ? __do_page_fault+0x4a3/0xb60 [ 187.011477] ? fget_raw+0x10/0x10 [ 187.011866] ? vmalloc_fault+0xbd0/0xbd0 [ 187.012322] ? alloc_file+0x16f/0x410 [ 187.012751] ? sock_alloc_file+0x1e7/0x510 [ 187.013232] ? do_page_fault+0xd9/0x6a8 [ 187.013681] sock_common_setsockopt+0x73/0xf0 [ 187.014188] SyS_setsockopt+0x167/0x320 [ 187.014635] ? SyS_recv+0x20/0x20 [ 187.015023] ? lockdep_sys_exit+0x43/0x60 [ 187.015489] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 187.016033] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 187.016599] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 187.017140] entry_SYSCALL_64_fastpath+0x23/0x9a [ 187.017674] RIP: 0033:0x439e79 [ 187.018033] RSP: 002b:00007f2acacc2db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 187.018897] RAX: ffffffffffffffda RBX: 00000000006c2c28 RCX: 0000000000439e79 [ 187.019714] RDX: 0000000000000064 RSI: 0000000000000084 RDI: 0000000000000003 [ 187.020526] RBP: 00000000006c2c20 R08: 000000004920a1cf R09: 0000000000000000 [ 187.021345] R10: 0000000020000040 R11: 0000000000000246 R12: 00000000006c2c2c [ 187.022160] R13: 00007fff77e7328f R14: 00007f2acacc3700 R15: 0000000000000000 [ 187.219502] Mem-Info: [ 187.253943] active_anon:2635 inactive_anon:199 isolated_anon:0 [ 187.253943] active_file:15 inactive_file:10 isolated_file:0 [ 187.253943] unevictable:0 dirty:0 writeback:0 unstable:0 [ 187.253943] slab_reclaimable:8489 slab_unreclaimable:39446 [ 187.253943] mapped:2 shmem:241 pagetables:282 bounce:0 [ 187.253943] free:8985 free_pcp:30 free_cma:0 [ 187.257457] Node 0 active_anon:6792kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.288663] Node 1 active_anon:3748kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.304433] Node 0 DMA free:2572kB min:660kB low:824kB high:988kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 187.307319] lowmem_reserve[]: 0 561 561 561 [ 187.307790] Node 0 DMA32 free:11896kB min:23956kB low:29944kB high:35932kB active_anon:6792kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:0kB present:1032192kB managed:577928kB mlocked:0kB kernel_stack:4832kB pagetables:184kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 187.310091] Mem-Info: [ 187.310098] active_anon:2635 inactive_anon:199 isolated_anon:0 [ 187.310098] active_file:15 inactive_file:10 isolated_file:0 [ 187.310098] unevictable:0 dirty:0 writeback:0 unstable:0 [ 187.310098] slab_reclaimable:8489 slab_unreclaimable:39446 [ 187.310098] mapped:2 shmem:241 pagetables:282 bounce:0 [ 187.310098] free:8985 free_pcp:30 free_cma:0 [ 187.310102] Node 0 active_anon:6792kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.310105] Node 1 active_anon:3748kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.310106] Node 0 DMA free:2572kB min:660kB low:824kB high:988kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 187.310111] lowmem_reserve[]: 0 561 561 561 [ 187.310116] Node 0 DMA32 free:11896kB min:23956kB low:29944kB high:35932kB active_anon:6792kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:0kB present:1032192kB managed:577928kB mlocked:0kB kernel_stack:4832kB pagetables:184kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 187.310121] lowmem_reserve[]: 0 0 0 0 [ 187.310126] Node 1 DMA32 free:21472kB min:42964kB low:53704kB high:64444kB active_anon:3748kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB writepending:0kB present:1048448kB managed:1031688kB mlocked:0kB kernel_stack:1728kB pagetables:944kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 187.310130] lowmem_reserve[]: 0 0 0 0 [ 187.310135] Node 0 DMA: 3*4kB (UM) 2*8kB (M) 3*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 1*512kB (E) 1*1024kB (M) 0*2048kB 0*4096kB = 2572kB [ 187.310157] Node 0 DMA32: 339*4kB (UME) 186*8kB (UME) 91*16kB (ME) 57*32kB (ME) 35*64kB (M) 12*128kB (M) 6*256kB (M) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 11948kB [ 187.310177] Node 1 DMA32: 386*4kB (UME) 210*8kB (UME) 164*16kB (UME) 101*32kB (ME) 65*64kB (UM) 30*128kB (UM) 8*256kB (M) 3*512kB (UM) 1*1024kB (U) 0*2048kB 0*4096kB = 21688kB [ 187.310199] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.310201] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.310202] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.310204] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.310205] 266 total pagecache pages [ 187.310209] 0 pages in swap cache [ 187.310211] Swap cache stats: add 0, delete 0, find 0/0 [ 187.310212] Free swap = 0kB [ 187.310213] Total swap = 0kB [ 187.310214] 524158 pages RAM [ 187.310215] 0 pages HighMem/MovableOnly [ 187.310216] 117777 pages reserved [ 187.310217] 0 pages cma reserved [ 187.310219] Unreclaimable slab info: [ 187.310220] Name Used Total [ 187.310228] pid_2 1KB 8KB [ 187.310252] bio-3 0KB 7KB [ 187.310264] batadv_tt_change_cache 2KB 7KB [ 187.310269] batadv_tl_cache 2KB 8KB [ 187.310281] TIPC 6KB 15KB [ 187.310289] SCTPv6 33KB 37KB [ 187.310297] DCCPv6 2KB 7KB [ 187.310301] DCCP 2KB 7KB [ 187.310324] bridge_fdb_cache 5KB 15KB [ 187.310331] fib6_nodes 56KB 120KB [ 187.310333] ip6_dst_cache 382KB 878KB [ 187.310337] RAWv6 75KB 94KB [ 187.310341] UDPv6 5KB 10KB [ 187.310346] TCPv6 2KB 5KB [ 187.310382] scsi_sense_cache 88KB 156KB [ 187.310384] sd_ext_cdb 0KB 7KB [ 187.310387] virtio_scsi_cmd 16KB 16KB [ 187.310392] sgpool-128 15KB 15KB [ 187.310395] sgpool-64 13KB 31KB [ 187.310397] sgpool-32 104KB 178KB [ 187.310399] sgpool-16 83KB 150KB [ 187.310402] sgpool-8 201KB 240KB [ 187.310406] cfq_io_cq 13KB 23KB [ 187.310408] cfq_queue 25KB 38KB [ 187.310412] mqueue_inode_cache 7KB 23KB [ 187.310445] bio-2 14KB 15KB [ 187.310447] jfs_mp 7KB 7KB [ 187.310464] nfs_commit_data 3KB 7KB [ 187.310466] nfs_write_data 34KB 44KB [ 187.310487] ext4_system_zone 0KB 7KB [ 187.310501] bio-1 1KB 7KB [ 187.310505] pid_namespace 1KB 7KB [ 187.310508] rpc_buffers 17KB 25KB [ 187.310511] rpc_tasks 2KB 7KB [ 187.310513] UNIX 120KB 146KB [ 187.310519] tcp_bind_bucket 0KB 8KB [ 187.310525] ip_fib_trie 9KB 19KB [ 187.310527] ip_fib_alias 40KB 83KB [ 187.310529] ip_dst_cache 6KB 7KB [ 187.310533] RAW 40KB 60KB [ 187.310535] UDP 24KB 32KB [ 187.310539] request_sock_TCP 1KB 3KB [ 187.310541] TCP 8KB 10KB [ 187.310544] hugetlbfs_inode_cache 2KB 7KB [ 187.310547] fscache_cookie_jar 0KB 7KB [ 187.310550] eventpoll_pwq 23KB 27KB [ 187.310552] eventpoll_epi 44KB 51KB [ 187.310555] inotify_inode_mark 6KB 11KB [ 187.310559] request_queue 160KB 166KB [ 187.310561] blkdev_requests 14KB 14KB [ 187.310563] blkdev_ioc 22KB 30KB [ 187.310565] bio-0 300KB 303KB [ 187.310568] biovec-(1<<(21-12)) 1394KB 1394KB [ 187.310572] biovec-64 87KB 173KB [ 187.310574] biovec-16 33KB 63KB [ 187.310576] bio_integrity_payload 1KB 8KB [ 187.310579] khugepaged_mm_slot 1KB 7KB [ 187.310585] uid_cache 3KB 7KB [ 187.310588] dmaengine-unmap-256 2KB 6KB [ 187.310590] dmaengine-unmap-128 1KB 3KB [ 187.310593] dmaengine-unmap-16 0KB 4KB [ 187.310595] dmaengine-unmap-2 0KB 3KB [ 187.310599] skbuff_fclone_cache 25KB 33KB [ 187.310601] skbuff_head_cache 920KB 1008KB [ 187.310604] configfs_dir_cache 0KB 8KB [ 187.310606] file_lock_cache 56KB 71KB [ 187.310609] file_lock_ctx 0KB 7KB [ 187.310611] fsnotify_mark_connector 3KB 7KB [ 187.310613] net_namespace 40KB 56KB [ 187.310616] shmem_inode_cache 4923KB 4943KB [ 187.310618] task_delay_info 81KB 263KB [ 187.310621] taskstats 7KB 7KB [ 187.310623] sigqueue 48KB 66KB [ 187.310625] kernfs_node_cache 9680KB 9894KB [ 187.310628] mnt_cache 54KB 88KB [ 187.310630] filp 2125KB 3918KB [ 187.310632] names_cache 16218KB 16218KB [ 187.310635] iint_cache 18KB 31KB [ 187.310637] key_jar 3KB 7KB [ 187.310640] nsproxy 0KB 7KB [ 187.310642] vm_area_struct 2622KB 3499KB [ 187.310644] mm_struct 543KB 862KB [ 187.310647] fs_cache 50KB 152KB [ 187.310649] files_cache 194KB 352KB [ 187.310651] signal_cache 718KB 984KB [ 187.310653] sighand_cache 700KB 1054KB [ 187.310655] task_struct 3308KB 3341KB [ 187.310657] cred_jar 317KB 764KB [ 187.310660] anon_vma_chain 1481KB 2012KB [ 187.310662] anon_vma 253KB 879KB [ 187.310664] pid 59KB 204KB [ 187.310666] Acpi-Operand 37KB 99KB [ 187.310672] Acpi-Namespace 16KB 23KB [ 187.310675] numa_policy 0KB 3KB [ 187.310677] debug_objects_cache 843KB 2092KB [ 187.310679] trace_event_file 242KB 243KB [ 187.310682] ftrace_event_field 348KB 354KB [ 187.310684] pool_workqueue 92KB 104KB [ 187.310686] task_group 4KB 7KB [ 187.310688] page->ptl 403KB 1015KB [ 187.310708] kmalloc-2097152 2050KB 2050KB [ 187.310711] kmalloc-524288 1028KB 1028KB [ 187.310713] kmalloc-262144 258KB 258KB [ 187.310715] kmalloc-131072 260KB 260KB [ 187.310717] kmalloc-65536 1254KB 1386KB [ 187.310719] kmalloc-32768 1089KB 1254KB [ 187.310721] kmalloc-16384 528KB 561KB Connection to localhost closed by remote host. [ 187.310723] kmalloc-8192 4545KB 4611KB [ 187.310724] kmalloc-4096 12235KB 12278KB [ 187.310726] kmalloc-2048 7418KB 8395KB [ 187.310729] kmalloc-1024 3967KB 5292KB [ 187.310731] kmalloc-512 2621KB 4057KB [ 187.310733] kmalloc-256 3011KB 3847KB [ 187.310734] kmalloc-128 606KB 838KB [ 187.310736] kmalloc-96 991KB 1584KB [ 187.310738] kmalloc-64 1303KB 1668KB [ 187.310740] kmalloc-32 1216KB 1433KB [ 187.310742] kmalloc-192 1042KB 1284KB [ 187.310744] kmem_cache 195KB 202KB [ 187.310746] Out of memory: Kill process 7281 (syz-executor713) score 1 or sacrifice child [ 187.310759] Killed process 7283 (syz-executor713) total-vm:17620kB, anon-rss:2108kB, file-rss:0kB, shmem-rss:0kB [ 187.350385] oom_reaper: reaped process 7283 (syz-executor713), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 187.356908] syz-executor713 invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 187.356910] syz-executor713 cpuset=/ mems_allowed=0-1 [ 187.356918] CPU: 0 PID: 7278 Comm: syz-executor713 Not tainted 4.15.0-rc1+ #1 [ 187.356920] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 187.356921] Call Trace: [ 187.356929] dump_stack+0x145/0x1e1 [ 187.356932] ? arch_local_irq_restore+0x43/0x43 [ 187.356940] dump_header+0x279/0xdc0 [ 187.356945] ? __lock_acquire+0x6c7/0x44f0 [ 187.356950] ? oom_reaper.cold.25+0x28/0x28 [ 187.356953] ? debug_check_no_locks_freed+0x310/0x310 [ 187.356957] ? copy_trace+0x140/0x140 [ 187.356960] ? __lock_acquire+0x6c7/0x44f0 [ 187.356964] ? copy_trace+0x140/0x140 [ 187.356968] ? find_held_lock+0x3a/0x1d0 [ 187.356971] ? print_usage_bug+0xc0/0xc0 [ 187.356974] ? lock_downgrade+0x8e0/0x8e0 [ 187.356976] ? lock_acquire+0x1e5/0x540 [ 187.356979] ? ___ratelimit+0x137/0x637 [ 187.356983] ? lock_release+0xe90/0xe90 [ 187.356986] ? mark_held_locks+0xc8/0x130 [ 187.356989] ? do_raw_spin_trylock+0x190/0x190 [ 187.356994] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 187.356997] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 187.356999] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 187.357002] ? ___ratelimit+0x2cf/0x637 [ 187.357005] ? idr_get_free_cmn+0x1530/0x1530 [ 187.357007] ? find_held_lock+0x3a/0x1d0 [ 187.357011] oom_kill_process.cold.26+0xb/0xede [ 187.357014] ? lock_downgrade+0x8e0/0x8e0 [ 187.357020] ? refcount_dec_and_test+0x11/0x20 [ 187.357023] ? apparmor_capable+0x35e/0x560 [ 187.357026] ? oom_evaluate_task+0x450/0x450 [ 187.357029] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.357031] ? debug_smp_processor_id+0x17/0x20 [ 187.357034] ? rcu_is_watching+0x61/0x170 [ 187.357035] ? __lock_is_held+0xb8/0x140 [ 187.357038] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.357043] ? security_capable_noaudit+0x6c/0xa0 [ 187.357045] ? copy_trace+0x140/0x140 [ 187.357048] ? has_ns_capability_noaudit+0x15e/0x240 [ 187.357051] ? has_capability+0x20/0x20 [ 187.357053] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.357055] ? lock_acquire+0x1e5/0x540 [ 187.357057] ? oom_unkillable_task+0xfd/0x460 [ 187.357060] ? has_capability_noaudit+0x12/0x20 [ 187.357062] ? oom_badness+0x5b2/0x8f0 [ 187.357063] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.357066] ? find_held_lock+0x3a/0x1d0 [ 187.357071] ? lock_downgrade+0x8e0/0x8e0 [ 187.357074] ? oom_reaper+0x3a0/0x3a0 [ 187.357075] ? copy_trace+0x140/0x140 [ 187.357078] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.357081] ? debug_smp_processor_id+0x17/0x20 [ 187.357083] ? rcu_is_watching+0x61/0x170 [ 187.357085] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.357087] ? oom_evaluate_task+0x296/0x450 [ 187.357091] out_of_memory+0x71e/0x10d0 [ 187.357095] ? oom_killer_disable+0x2b0/0x2b0 [ 187.357099] ? __alloc_pages_slowpath+0xf61/0x2e60 [ 187.357100] ? __lock_is_held+0xb8/0x140 [ 187.357103] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 187.357108] __alloc_pages_slowpath+0x23ba/0x2e60 [ 187.357118] ? warn_alloc+0x110/0x110 [ 187.357121] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.357124] ? debug_smp_processor_id+0x17/0x20 [ 187.357126] ? __lock_is_held+0xb8/0x140 [ 187.357128] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.357133] ? print_usage_bug+0xc0/0xc0 [ 187.357135] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.357139] ? copy_trace+0x140/0x140 [ 187.357142] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 187.357144] ? __lock_acquire+0x6c7/0x44f0 [ 187.357151] ? __lock_is_held+0xb8/0x140 [ 187.357156] ? lock_release+0xe90/0xe90 [ 187.357159] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.357161] ? debug_smp_processor_id+0x17/0x20 [ 187.357163] ? rcu_is_watching+0x61/0x170 [ 187.357168] ? __might_sleep+0x95/0x190 [ 187.357171] __alloc_pages_nodemask+0xa68/0xdc0 [ 187.357175] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.357178] ? find_get_pages_contig+0x12b0/0x12b0 [ 187.357180] ? read_cache_pages+0x940/0x940 [ 187.357182] ? copy_trace+0x140/0x140 [ 187.357185] ? copy_trace+0x140/0x140 [ 187.357187] ? copy_trace+0x140/0x140 [ 187.357188] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.357192] ? find_held_lock+0x3a/0x1d0 [ 187.357197] ? lock_downgrade+0x8e0/0x8e0 [ 187.357201] alloc_pages_current+0xd6/0x1b0 [ 187.357205] __page_cache_alloc+0x291/0x4a0 [ 187.357207] ? debug_smp_processor_id+0x17/0x20 [ 187.357209] ? rcu_is_watching+0x61/0x170 [ 187.357212] ? trace_event_raw_event_file_check_and_advance_wb_err+0x4a0/0x4a0 [ 187.357213] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.357219] filemap_fault+0xf60/0x1c90 [ 187.357225] ? __lock_page_or_retry+0x440/0x440 [ 187.357227] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.357236] ? find_get_pages_range_tag+0xfd0/0xfd0 [ 187.357240] ? copy_trace+0x140/0x140 [ 187.357242] ? copy_trace+0x140/0x140 [ 187.357250] ? __lock_is_held+0xb8/0x140 [ 187.357253] ? lock_acquire+0x1e5/0x540 [ 187.357255] ? ext4_filemap_fault+0x78/0xa8 [ 187.357259] ? lock_release+0xe90/0xe90 [ 187.357261] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.357263] ? copy_trace+0x140/0x140 [ 187.357267] ? __might_sleep+0x95/0x190 [ 187.357270] ? down_read+0x91/0x150 [ 187.357271] ? ext4_filemap_fault+0x78/0xa8 [ 187.357273] ? __down_interruptible+0x6e0/0x6e0 [ 187.357276] ? lock_downgrade+0x8e0/0x8e0 [ 187.357279] ext4_filemap_fault+0x80/0xa8 [ 187.357283] __do_fault+0xde/0x3c0 [ 187.357285] ? print_bad_pte+0x740/0x740 [ 187.357287] ? do_raw_spin_unlock+0x1ec/0x2d0 [ 187.357290] ? do_raw_spin_trylock+0x190/0x190 [ 187.357292] ? add_mm_counter_fast+0xc0/0xc0 [ 187.357297] handle_pte_fault+0x1897/0x3c90 [ 187.357300] ? debug_check_no_locks_freed+0x310/0x310 [ 187.357301] ? debug_check_no_locks_freed+0x310/0x310 [ 187.357303] ? debug_check_no_locks_freed+0x310/0x310 [ 187.357305] ? finish_fault+0x2a0/0x2a0 [ 187.357307] ? finish_task_switch+0x1f9/0x7f0 [ 187.357309] ? finish_task_switch+0x1d0/0x7f0 [ 187.357313] ? debug_check_no_locks_freed+0x310/0x310 [ 187.357317] ? __schedule+0x829/0x1fa0 [ 187.357319] ? copy_trace+0x140/0x140 [ 187.357321] ? copy_trace+0x140/0x140 [ 187.357324] ? pci_mmcfg_check_reserved+0x120/0x120 [ 187.357327] ? timerqueue_add+0x12b/0x2c0 [ 187.357329] ? copy_trace+0x140/0x140 [ 187.357331] ? copy_trace+0x140/0x140 [ 187.357332] ? copy_trace+0x140/0x140 [ 187.357334] ? hrtimer_forward+0x1b0/0x1b0 [ 187.357337] ? find_held_lock+0x3a/0x1d0 [ 187.357340] ? add_mm_counter_fast+0xc0/0xc0 [ 187.357345] __handle_mm_fault+0xa41/0x21e0 [ 187.357346] ? __lock_is_held+0xb8/0x140 [ 187.357348] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.357351] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 187.357359] handle_mm_fault+0x2c3/0x810 [ 187.357363] ? __do_page_fault+0x289/0xb60 [ 187.357365] ? __handle_mm_fault+0x21e0/0x21e0 [ 187.357369] ? find_vma+0x1a/0x150 [ 187.357372] __do_page_fault+0x477/0xb60 [ 187.357376] ? vmalloc_fault+0xbd0/0xbd0 [ 187.357379] ? memset+0x31/0x40 [ 187.357383] do_page_fault+0xd9/0x6a8 [ 187.357386] ? vmalloc_sync_all+0x20/0x20 [ 187.357388] ? nanosleep_copyout+0xd0/0xd0 [ 187.357391] ? enqueue_hrtimer+0x480/0x480 [ 187.357395] ? lockdep_sys_exit+0x43/0x60 [ 187.357398] ? retint_user+0x18/0x18 [ 187.357403] do_async_page_fault+0x27/0x100 [ 187.357406] async_page_fault+0x22/0x30 [ 187.357408] RIP: 0033:0x439e54 [ 187.357410] RSP: 002b:00007fff77e732f0 EFLAGS: 00010217 [ 187.357412] RAX: 0000000000000000 RBX: 000000000002d313 RCX: 0000000000438600 [ 187.357413] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff77e732f0 [ 187.357414] RBP: 0000000000001c76 R08: 000000000221f880 R09: 0000000000000003 [ 187.357415] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 187.357417] R13: 00007fff77e73328 R14: 00007fff77e73330 R15: 0000000000000000 [ 187.357423] Mem-Info: [ 187.357427] active_anon:2123 inactive_anon:199 isolated_anon:0 [ 187.357427] active_file:15 inactive_file:10 isolated_file:0 [ 187.357427] unevictable:0 dirty:0 writeback:0 unstable:0 [ 187.357427] slab_reclaimable:8489 slab_unreclaimable:39446 [ 187.357427] mapped:2 shmem:241 pagetables:282 bounce:0 [ 187.357427] free:8983 free_pcp:72 free_cma:0 [ 187.357430] Node 0 active_anon:4744kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.357433] Node 1 active_anon:3748kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.357434] Node 0 DMA free:2572kB min:660kB low:824kB high:988kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 187.357438] lowmem_reserve[]: 0 561 561 561 [ 187.357444] Node 0 DMA32 free:11888kB min:23956kB low:29944kB high:35932kB active_anon:4744kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:0kB present:1032192kB managed:577928kB mlocked:0kB kernel_stack:4832kB pagetables:184kB bounce:0kB free_pcp:244kB local_pcp:124kB free_cma:0kB [ 187.357448] lowmem_reserve[]: 0 0 0 0 [ 187.357453] Node 1 DMA32 free:21472kB min:42964kB low:53704kB high:64444kB active_anon:3748kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB writepending:0kB present:1048448kB managed:1031688kB mlocked:0kB kernel_stack:1728kB pagetables:944kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB [ 187.357456] lowmem_reserve[]: 0 0 0 0 [ 187.357461] Node 0 DMA: 3*4kB (UM) 2*8kB (M) 3*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 1*512kB (E) 1*1024kB (M) 0*2048kB 0*4096kB = 2572kB [ 187.357483] Node 0 DMA32: 338*4kB (ME) 185*8kB (ME) 92*16kB (UME) 57*32kB (ME) 36*64kB (UM) 13*128kB (UM) 7*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 11888kB [ 187.357503] Node 1 DMA32: 386*4kB (UME) 210*8kB (UME) 164*16kB (UME) 101*32kB (ME) 65*64kB (UM) 30*128kB (UM) 8*256kB (M) 3*512kB (UM) 1*1024kB (U) 0*2048kB 0*4096kB = 21688kB [ 187.357525] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.357527] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.357528] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.357529] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.357530] 266 total pagecache pages [ 187.357535] 0 pages in swap cache [ 187.357536] Swap cache stats: add 0, delete 0, find 0/0 [ 187.357537] Free swap = 0kB [ 187.357538] Total swap = 0kB [ 187.357539] 524158 pages RAM [ 187.357540] 0 pages HighMem/MovableOnly [ 187.357541] 117777 pages reserved [ 187.357543] 0 pages cma reserved [ 187.357544] Unreclaimable slab info: [ 187.357545] Name Used Total [ 187.357552] pid_2 1KB 8KB [ 187.357574] bio-3 0KB 7KB [ 187.357585] batadv_tt_change_cache 2KB 7KB [ 187.357590] batadv_tl_cache 2KB 8KB [ 187.357599] TIPC 6KB 15KB [ 187.357608] SCTPv6 33KB 37KB [ 187.357614] DCCPv6 2KB 7KB [ 187.357618] DCCP 2KB 7KB [ 187.357639] bridge_fdb_cache 5KB 15KB [ 187.357644] fib6_nodes 56KB 120KB [ 187.357646] ip6_dst_cache 382KB 878KB [ 187.357651] RAWv6 75KB 94KB [ 187.357654] UDPv6 5KB 10KB [ 187.357658] TCPv6 2KB 5KB [ 187.357690] scsi_sense_cache 88KB 156KB [ 187.357692] sd_ext_cdb 0KB 7KB [ 187.357694] virtio_scsi_cmd 16KB 16KB [ 187.357700] sgpool-128 15KB 15KB [ 187.357702] sgpool-64 13KB 31KB [ 187.357704] sgpool-32 104KB 178KB [ 187.357706] sgpool-16 83KB 150KB [ 187.357709] sgpool-8 201KB 240KB [ 187.357713] cfq_io_cq 13KB 23KB [ 187.357715] cfq_queue 25KB 38KB [ 187.357718] mqueue_inode_cache 7KB 23KB [ 187.357748] bio-2 14KB 15KB [ 187.357750] jfs_mp 7KB 7KB [ 187.357766] nfs_commit_data 3KB 7KB [ 187.357768] nfs_write_data 34KB 44KB [ 187.357787] ext4_system_zone 0KB 7KB [ 187.357800] bio-1 1KB 7KB [ 187.357804] pid_namespace 1KB 7KB [ 187.357807] rpc_buffers 17KB 25KB [ 187.357810] rpc_tasks 2KB 7KB [ 187.357812] UNIX 120KB 146KB [ 187.357817] tcp_bind_bucket 0KB 8KB [ 187.357823] ip_fib_trie 9KB 19KB [ 187.357825] ip_fib_alias 40KB 83KB [ 187.357827] ip_dst_cache 6KB 7KB [ 187.357830] RAW 40KB 60KB [ 187.357832] UDP 24KB 32KB [ 187.357836] request_sock_TCP 1KB 3KB [ 187.357838] TCP 8KB 10KB [ 187.357841] hugetlbfs_inode_cache 2KB 7KB [ 187.357844] fscache_cookie_jar 0KB 7KB [ 187.357846] eventpoll_pwq 23KB 27KB [ 187.357849] eventpoll_epi 44KB 51KB [ 187.357851] inotify_inode_mark 6KB 11KB [ 187.357854] request_queue 160KB 166KB [ 187.357856] blkdev_requests 14KB 14KB [ 187.357859] blkdev_ioc 22KB 30KB [ 187.357861] bio-0 300KB 303KB [ 187.357863] biovec-(1<<(21-12)) 1394KB 1394KB [ 187.357867] biovec-64 87KB 173KB [ 187.357869] biovec-16 33KB 63KB [ 187.357871] bio_integrity_payload 1KB 8KB [ 187.357874] khugepaged_mm_slot 1KB 7KB [ 187.357881] uid_cache 3KB 7KB [ 187.357883] dmaengine-unmap-256 2KB 6KB [ 187.357885] dmaengine-unmap-128 1KB 3KB [ 187.357887] dmaengine-unmap-16 0KB 4KB [ 187.357889] dmaengine-unmap-2 0KB 3KB [ 187.357893] skbuff_fclone_cache 25KB 33KB [ 187.357895] skbuff_head_cache 920KB 1008KB [ 187.357897] configfs_dir_cache 0KB 8KB [ 187.357899] file_lock_cache 56KB 71KB [ 187.357902] file_lock_ctx 0KB 7KB [ 187.357904] fsnotify_mark_connector 3KB 7KB [ 187.357906] net_namespace 40KB 56KB [ 187.357909] shmem_inode_cache 4923KB 4943KB [ 187.357911] task_delay_info 81KB 263KB [ 187.357913] taskstats 7KB 7KB [ 187.357915] sigqueue 48KB 66KB [ 187.357918] kernfs_node_cache 9680KB 9894KB [ 187.357920] mnt_cache 54KB 88KB [ 187.357922] filp 2125KB 3918KB [ 187.357925] names_cache 16218KB 16218KB [ 187.357927] iint_cache 18KB 31KB [ 187.357929] key_jar 3KB 7KB [ 187.357931] nsproxy 0KB 7KB [ 187.357933] vm_area_struct 2622KB 3499KB [ 187.357936] mm_struct 543KB 862KB [ 187.357938] fs_cache 50KB 152KB [ 187.357940] files_cache 194KB 352KB [ 187.357942] signal_cache 718KB 984KB [ 187.357944] sighand_cache 700KB 1054KB [ 187.357946] task_struct 3308KB 3341KB [ 187.357948] cred_jar 317KB 764KB [ 187.357950] anon_vma_chain 1481KB 2012KB [ 187.357953] anon_vma 253KB 879KB [ 187.357955] pid 59KB 204KB [ 187.357957] Acpi-Operand 37KB 99KB [ 187.357962] Acpi-Namespace 16KB 23KB [ 187.357965] numa_policy 0KB 3KB [ 187.357967] debug_objects_cache 843KB 2092KB [ 187.357969] trace_event_file 242KB 243KB [ 187.357971] ftrace_event_field 348KB 354KB [ 187.357973] pool_workqueue 92KB 104KB [ 187.357976] task_group 4KB 7KB [ 187.357978] page->ptl 403KB 1015KB [ 187.357997] kmalloc-2097152 2050KB 2050KB [ 187.357999] kmalloc-524288 1028KB 1028KB [ 187.358001] kmalloc-262144 258KB 258KB [ 187.358003] kmalloc-131072 260KB 260KB [ 187.358005] kmalloc-65536 1254KB 1386KB [ 187.358007] kmalloc-32768 1089KB 1254KB [ 187.358009] kmalloc-16384 528KB 561KB [ 187.358011] kmalloc-8192 4545KB 4611KB [ 187.358013] kmalloc-4096 12235KB 12278KB [ 187.358016] kmalloc-2048 7418KB 8395KB [ 187.358018] kmalloc-1024 3967KB 5292KB [ 187.358020] kmalloc-512 2621KB 4057KB [ 187.358022] kmalloc-256 3011KB 3847KB [ 187.358024] kmalloc-128 606KB 838KB [ 187.358026] kmalloc-96 991KB 1584KB [ 187.358027] kmalloc-64 1303KB 1668KB [ 187.358029] kmalloc-32 1216KB 1433KB [ 187.358031] kmalloc-192 1042KB 1284KB [ 187.358034] kmem_cache 195KB 202KB [ 187.358036] Out of memory: Kill process 7286 (syz-executor713) score 1 or sacrifice child [ 187.358045] Killed process 7291 (syz-executor713) total-vm:17620kB, anon-rss:2108kB, file-rss:0kB, shmem-rss:0kB [ 187.410421] oom_reaper: reaped process 7291 (syz-executor713), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 187.410770] oom_reaper: reaped process 7290 (syz-executor713), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 187.421482] syz-executor713 invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 187.421484] syz-executor713 cpuset=/ mems_allowed=0-1 [ 187.421490] CPU: 0 PID: 7275 Comm: syz-executor713 Not tainted 4.15.0-rc1+ #1 [ 187.421491] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 187.421492] Call Trace: [ 187.421497] dump_stack+0x145/0x1e1 [ 187.421500] ? arch_local_irq_restore+0x43/0x43 [ 187.421506] dump_header+0x279/0xdc0 [ 187.421509] ? __lock_acquire+0x6c7/0x44f0 [ 187.421514] ? oom_reaper.cold.25+0x28/0x28 [ 187.421518] ? debug_check_no_locks_freed+0x310/0x310 [ 187.421520] ? copy_trace+0x140/0x140 [ 187.421524] ? __lock_acquire+0x6c7/0x44f0 [ 187.421528] ? copy_trace+0x140/0x140 [ 187.421530] ? print_usage_bug+0xc0/0xc0 [ 187.421533] ? find_held_lock+0x3a/0x1d0 [ 187.421536] ? print_usage_bug+0xc0/0xc0 [ 187.421539] ? lock_downgrade+0x8e0/0x8e0 [ 187.421541] ? lock_acquire+0x1e5/0x540 [ 187.421544] ? ___ratelimit+0x137/0x637 [ 187.421547] ? lock_release+0xe90/0xe90 [ 187.421550] ? mark_held_locks+0xc8/0x130 [ 187.421552] ? do_raw_spin_trylock+0x190/0x190 [ 187.421556] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 187.421559] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 187.421561] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 187.421564] ? ___ratelimit+0x2cf/0x637 [ 187.421567] ? idr_get_free_cmn+0x1530/0x1530 [ 187.421569] ? find_held_lock+0x3a/0x1d0 [ 187.421573] oom_kill_process.cold.26+0xb/0xede [ 187.421575] ? copy_trace+0x140/0x140 [ 187.421577] ? lock_downgrade+0x8e0/0x8e0 [ 187.421581] ? refcount_dec_and_test+0x11/0x20 [ 187.421584] ? apparmor_capable+0x35e/0x560 [ 187.421586] ? oom_evaluate_task+0x450/0x450 [ 187.421588] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.421591] ? debug_smp_processor_id+0x17/0x20 [ 187.421593] ? rcu_is_watching+0x61/0x170 [ 187.421594] ? __lock_is_held+0xb8/0x140 [ 187.421598] ? find_held_lock+0x3a/0x1d0 [ 187.421601] ? copy_trace+0x140/0x140 [ 187.421604] ? lock_downgrade+0x8e0/0x8e0 [ 187.421606] ? lock_acquire+0x1e5/0x540 [ 187.421607] ? oom_unkillable_task+0xfd/0x460 [ 187.421611] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.421614] ? find_held_lock+0x3a/0x1d0 [ 187.421619] ? lock_downgrade+0x8e0/0x8e0 [ 187.421622] ? oom_reaper+0x3a0/0x3a0 [ 187.421623] ? copy_trace+0x140/0x140 [ 187.421626] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.421628] ? debug_smp_processor_id+0x17/0x20 [ 187.421630] ? rcu_is_watching+0x61/0x170 [ 187.421633] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.421635] ? oom_evaluate_task+0x44/0x450 [ 187.421638] out_of_memory+0x71e/0x10d0 [ 187.421642] ? oom_killer_disable+0x2b0/0x2b0 [ 187.421645] ? __alloc_pages_slowpath+0xf61/0x2e60 [ 187.421646] ? __lock_is_held+0xb8/0x140 [ 187.421649] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 187.421654] __alloc_pages_slowpath+0x23ba/0x2e60 [ 187.421664] ? warn_alloc+0x110/0x110 [ 187.421667] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.421669] ? debug_smp_processor_id+0x17/0x20 [ 187.421671] ? __lock_is_held+0xb8/0x140 [ 187.421673] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.421679] ? print_usage_bug+0xc0/0xc0 [ 187.421680] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.421684] ? copy_trace+0x140/0x140 [ 187.421687] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 187.421689] ? __lock_acquire+0x6c7/0x44f0 [ 187.421696] ? __lock_is_held+0xb8/0x140 [ 187.421701] ? lock_release+0xe90/0xe90 [ 187.421704] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.421706] ? debug_smp_processor_id+0x17/0x20 [ 187.421708] ? rcu_is_watching+0x61/0x170 [ 187.421712] ? __might_sleep+0x95/0x190 [ 187.421715] __alloc_pages_nodemask+0xa68/0xdc0 [ 187.421719] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.421722] ? find_get_pages_contig+0x12b0/0x12b0 [ 187.421724] ? read_cache_pages+0x940/0x940 [ 187.421726] ? copy_trace+0x140/0x140 [ 187.421729] ? copy_trace+0x140/0x140 [ 187.421730] ? copy_trace+0x140/0x140 [ 187.421732] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.421735] ? find_held_lock+0x3a/0x1d0 [ 187.421740] ? lock_downgrade+0x8e0/0x8e0 [ 187.421744] alloc_pages_current+0xd6/0x1b0 [ 187.421748] __page_cache_alloc+0x291/0x4a0 [ 187.421750] ? debug_smp_processor_id+0x17/0x20 [ 187.421752] ? rcu_is_watching+0x61/0x170 [ 187.421755] ? trace_event_raw_event_file_check_and_advance_wb_err+0x4a0/0x4a0 [ 187.421756] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.421761] filemap_fault+0xf60/0x1c90 [ 187.421767] ? __lock_page_or_retry+0x440/0x440 [ 187.421769] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.421778] ? find_get_pages_range_tag+0xfd0/0xfd0 [ 187.421782] ? copy_trace+0x140/0x140 [ 187.421784] ? copy_trace+0x140/0x140 [ 187.421792] ? __lock_is_held+0xb8/0x140 [ 187.421795] ? lock_acquire+0x1e5/0x540 [ 187.421797] ? ext4_filemap_fault+0x78/0xa8 [ 187.421800] ? lock_release+0xe90/0xe90 [ 187.421802] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.421805] ? copy_trace+0x140/0x140 [ 187.421809] ? __might_sleep+0x95/0x190 [ 187.421811] ? down_read+0x91/0x150 [ 187.421813] ? ext4_filemap_fault+0x78/0xa8 [ 187.421815] ? __down_interruptible+0x6e0/0x6e0 [ 187.421817] ? lock_downgrade+0x8e0/0x8e0 [ 187.421821] ext4_filemap_fault+0x80/0xa8 [ 187.421824] __do_fault+0xde/0x3c0 [ 187.421826] ? print_bad_pte+0x740/0x740 [ 187.421828] ? do_raw_spin_unlock+0x1ec/0x2d0 [ 187.421831] ? do_raw_spin_trylock+0x190/0x190 [ 187.421833] ? add_mm_counter_fast+0xc0/0xc0 [ 187.421838] handle_pte_fault+0x1897/0x3c90 [ 187.421840] ? debug_check_no_locks_freed+0x310/0x310 [ 187.421842] ? debug_check_no_locks_freed+0x310/0x310 [ 187.421843] ? debug_check_no_locks_freed+0x310/0x310 [ 187.421846] ? finish_fault+0x2a0/0x2a0 [ 187.421848] ? finish_task_switch+0x1f9/0x7f0 [ 187.421850] ? finish_task_switch+0x1d0/0x7f0 [ 187.421854] ? debug_check_no_locks_freed+0x310/0x310 [ 187.421858] ? __schedule+0x829/0x1fa0 [ 187.421860] ? copy_trace+0x140/0x140 [ 187.421862] ? copy_trace+0x140/0x140 [ 187.421865] ? pci_mmcfg_check_reserved+0x120/0x120 [ 187.421868] ? timerqueue_add+0x12b/0x2c0 [ 187.421870] ? copy_trace+0x140/0x140 [ 187.421872] ? copy_trace+0x140/0x140 [ 187.421873] ? copy_trace+0x140/0x140 [ 187.421876] ? hrtimer_forward+0x1b0/0x1b0 [ 187.421878] ? find_held_lock+0x3a/0x1d0 [ 187.421881] ? add_mm_counter_fast+0xc0/0xc0 [ 187.421885] __handle_mm_fault+0xa41/0x21e0 [ 187.421887] ? __lock_is_held+0xb8/0x140 [ 187.421889] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.421892] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 187.421900] handle_mm_fault+0x2c3/0x810 [ 187.421902] ? __do_page_fault+0x289/0xb60 [ 187.421904] ? __handle_mm_fault+0x21e0/0x21e0 [ 187.421908] ? find_vma+0x1a/0x150 [ 187.421911] __do_page_fault+0x477/0xb60 [ 187.421915] ? vmalloc_fault+0xbd0/0xbd0 [ 187.421918] ? memset+0x31/0x40 [ 187.421922] do_page_fault+0xd9/0x6a8 [ 187.421925] ? vmalloc_sync_all+0x20/0x20 [ 187.421927] ? nanosleep_copyout+0xd0/0xd0 [ 187.421930] ? enqueue_hrtimer+0x480/0x480 [ 187.421934] ? lockdep_sys_exit+0x43/0x60 [ 187.421936] ? retint_user+0x18/0x18 [ 187.421941] do_async_page_fault+0x27/0x100 [ 187.421944] async_page_fault+0x22/0x30 [ 187.421946] RIP: 0033:0x439e54 [ 187.421947] RSP: 002b:00007fff77e732f0 EFLAGS: 00010217 [ 187.421949] RAX: 0000000000000000 RBX: 000000000002d312 RCX: 0000000000438600 [ 187.421950] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff77e732f0 [ 187.421952] RBP: 0000000000001c72 R08: 000000000221f880 R09: 0000000000000003 [ 187.421953] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 187.421954] R13: 00007fff77e73328 R14: 00007fff77e73330 R15: 0000000000000000 [ 187.421960] Mem-Info: [ 187.421964] active_anon:1075 inactive_anon:199 isolated_anon:0 [ 187.421964] active_file:15 inactive_file:10 isolated_file:0 [ 187.421964] unevictable:0 dirty:0 writeback:0 unstable:0 [ 187.421964] slab_reclaimable:8489 slab_unreclaimable:39446 [ 187.421964] mapped:2 shmem:241 pagetables:282 bounce:0 [ 187.421964] free:10007 free_pcp:96 free_cma:0 [ 187.421967] Node 0 active_anon:620kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.421970] Node 1 active_anon:3680kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.421971] Node 0 DMA free:2572kB min:660kB low:824kB high:988kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 187.421975] lowmem_reserve[]: 0 561 561 561 [ 187.421980] Node 0 DMA32 free:15984kB min:23956kB low:29944kB high:35932kB active_anon:620kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:0kB present:1032192kB managed:577928kB mlocked:0kB kernel_stack:4832kB pagetables:184kB bounce:0kB free_pcp:288kB local_pcp:168kB free_cma:0kB [ 187.421984] lowmem_reserve[]: 0 0 0 0 [ 187.421989] Node 1 DMA32 free:21472kB min:42964kB low:53704kB high:64444kB active_anon:3680kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB writepending:0kB present:1048448kB managed:1031688kB mlocked:0kB kernel_stack:1728kB pagetables:944kB bounce:0kB free_pcp:96kB local_pcp:96kB free_cma:0kB [ 187.421993] lowmem_reserve[]: 0 0 0 0 [ 187.421998] Node 0 DMA: 3*4kB (UM) 2*8kB (M) 3*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 1*512kB (E) 1*1024kB (M) 0*2048kB 0*4096kB = 2572kB [ 187.422019] Node 0 DMA32: 338*4kB (ME) 185*8kB (ME) 92*16kB (UME) 57*32kB (ME) 36*64kB (UM) 13*128kB (UM) 7*256kB (UM) 0*512kB 0*1024kB 2*2048kB (M) 0*4096kB = 15984kB [ 187.422040] Node 1 DMA32: 386*4kB (UME) 210*8kB (UME) 164*16kB (UME) 101*32kB (ME) 65*64kB (UM) 30*128kB (UM) 8*256kB (M) 3*512kB (UM) 1*1024kB (U) 0*2048kB 0*4096kB = 21688kB [ 187.422061] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.422063] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.422064] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.422066] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.422067] 266 total pagecache pages [ 187.422071] 0 pages in swap cache [ 187.422072] Swap cache stats: add 0, delete 0, find 0/0 [ 187.422073] Free swap = 0kB [ 187.422074] Total swap = 0kB [ 187.422075] 524158 pages RAM [ 187.422076] 0 pages HighMem/MovableOnly [ 187.422077] 117777 pages reserved [ 187.422078] 0 pages cma reserved [ 187.422080] Unreclaimable slab info: [ 187.422081] Name Used Total [ 187.422086] pid_2 1KB 8KB [ 187.422105] bio-3 0KB 7KB [ 187.422116] batadv_tt_change_cache 2KB 7KB [ 187.422119] batadv_tl_cache 2KB 8KB [ 187.422128] TIPC 6KB 15KB [ 187.422135] SCTPv6 33KB 37KB [ 187.422141] DCCPv6 2KB 7KB [ 187.422145] DCCP 2KB 7KB [ 187.422163] bridge_fdb_cache 5KB 15KB [ 187.422168] fib6_nodes 56KB 120KB [ 187.422170] ip6_dst_cache 382KB 878KB [ 187.422174] RAWv6 75KB 94KB [ 187.422177] UDPv6 5KB 10KB [ 187.422181] TCPv6 2KB 5KB [ 187.422209] scsi_sense_cache 88KB 156KB [ 187.422212] sd_ext_cdb 0KB 7KB [ 187.422214] virtio_scsi_cmd 16KB 16KB [ 187.422218] sgpool-128 15KB 15KB [ 187.422221] sgpool-64 13KB 31KB [ 187.422223] sgpool-32 104KB 178KB [ 187.422225] sgpool-16 83KB 150KB [ 187.422227] sgpool-8 201KB 240KB [ 187.422231] cfq_io_cq 13KB 23KB [ 187.422233] cfq_queue 25KB 38KB [ 187.422236] mqueue_inode_cache 7KB 23KB [ 187.422263] bio-2 14KB 15KB [ 187.422266] jfs_mp 7KB 7KB [ 187.422280] nfs_commit_data 3KB 7KB [ 187.422282] nfs_write_data 34KB 44KB [ 187.422300] ext4_system_zone 0KB 7KB [ 187.422311] bio-1 1KB 7KB [ 187.422315] pid_namespace 1KB 7KB [ 187.422318] rpc_buffers 17KB 25KB [ 187.422320] rpc_tasks 2KB 7KB [ 187.422323] UNIX 120KB 146KB [ 187.422328] tcp_bind_bucket 0KB 8KB [ 187.422333] ip_fib_trie 9KB 19KB [ 187.422335] ip_fib_alias 40KB 83KB [ 187.422337] ip_dst_cache 6KB 7KB [ 187.422340] RAW 40KB 60KB [ 187.422342] UDP 24KB 32KB [ 187.422345] request_sock_TCP 1KB 3KB [ 187.422347] TCP 8KB 10KB [ 187.422350] hugetlbfs_inode_cache 2KB 7KB [ 187.422352] fscache_cookie_jar 0KB 7KB [ 187.422355] eventpoll_pwq 23KB 27KB [ 187.422358] eventpoll_epi 44KB 51KB [ 187.422360] inotify_inode_mark 6KB 11KB [ 187.422363] request_queue 160KB 166KB [ 187.422365] blkdev_requests 14KB 14KB [ 187.422368] blkdev_ioc 22KB 30KB [ 187.422369] bio-0 300KB 303KB [ 187.422372] biovec-(1<<(21-12)) 1394KB 1394KB [ 187.422375] biovec-64 87KB 173KB [ 187.422377] biovec-16 33KB 63KB [ 187.422379] bio_integrity_payload 1KB 8KB [ 187.422381] khugepaged_mm_slot 1KB 7KB [ 187.422387] uid_cache 3KB 7KB [ 187.422390] dmaengine-unmap-256 2KB 6KB [ 187.422392] dmaengine-unmap-128 1KB 3KB [ 187.422394] dmaengine-unmap-16 0KB 4KB [ 187.422396] dmaengine-unmap-2 0KB 3KB [ 187.422399] skbuff_fclone_cache 25KB 33KB [ 187.422401] skbuff_head_cache 920KB 1008KB [ 187.422403] configfs_dir_cache 0KB 8KB [ 187.422405] file_lock_cache 56KB 71KB [ 187.422407] file_lock_ctx 0KB 7KB [ 187.422410] fsnotify_mark_connector 3KB 7KB [ 187.422412] net_namespace 40KB 56KB [ 187.422414] shmem_inode_cache 4923KB 4943KB [ 187.422416] task_delay_info 81KB 263KB [ 187.422418] taskstats 7KB 7KB [ 187.422420] sigqueue 48KB 66KB [ 187.422422] kernfs_node_cache 9680KB 9894KB [ 187.422424] mnt_cache 54KB 88KB [ 187.422427] filp 2125KB 3918KB [ 187.422429] names_cache 16218KB 16218KB [ 187.422431] iint_cache 18KB 31KB [ 187.422433] key_jar 3KB 7KB [ 187.422435] nsproxy 0KB 7KB [ 187.422437] vm_area_struct 2622KB 3499KB [ 187.422439] mm_struct 543KB 862KB [ 187.422441] fs_cache 50KB 152KB [ 187.422443] files_cache 194KB 352KB [ 187.422445] signal_cache 718KB 984KB [ 187.422447] sighand_cache 700KB 1054KB [ 187.422449] task_struct 3308KB 3341KB [ 187.422451] cred_jar 317KB 764KB [ 187.422453] anon_vma_chain 1481KB 2012KB [ 187.422455] anon_vma 253KB 879KB [ 187.422457] pid 59KB 204KB [ 187.422459] Acpi-Operand 37KB 99KB [ 187.422464] Acpi-Namespace 16KB 23KB [ 187.422468] numa_policy 0KB 3KB [ 187.422470] debug_objects_cache 843KB 2092KB [ 187.422472] trace_event_file 242KB 243KB [ 187.422474] ftrace_event_field 348KB 354KB [ 187.422477] pool_workqueue 92KB 104KB [ 187.422479] task_group 4KB 7KB [ 187.422481] page->ptl 403KB 1015KB [ 187.422498] kmalloc-2097152 2050KB 2050KB [ 187.422501] kmalloc-524288 1028KB 1028KB [ 187.422503] kmalloc-262144 258KB 258KB [ 187.422504] kmalloc-131072 260KB 260KB [ 187.422506] kmalloc-65536 1254KB 1386KB [ 187.422508] kmalloc-32768 1089KB 1254KB [ 187.422510] kmalloc-16384 528KB 561KB [ 187.422512] kmalloc-8192 4545KB 4611KB [ 187.422514] kmalloc-4096 12235KB 12278KB [ 187.422516] kmalloc-2048 7418KB 8395KB [ 187.422518] kmalloc-1024 3967KB 5292KB [ 187.422520] kmalloc-512 2621KB 4057KB [ 187.422522] kmalloc-256 3011KB 3847KB [ 187.422524] kmalloc-128 606KB 838KB [ 187.422526] kmalloc-96 991KB 1584KB [ 187.422528] kmalloc-64 1303KB 1668KB [ 187.422530] kmalloc-32 1216KB 1433KB [ 187.422532] kmalloc-192 1042KB 1284KB [ 187.422534] kmem_cache 195KB 202KB [ 187.422535] Out of memory: Kill process 7270 (sshd) score 0 or sacrifice child [ 187.422552] Killed process 7272 (bash) total-vm:9240kB, anon-rss:156kB, file-rss:0kB, shmem-rss:0kB [ 187.448145] syz-executor713 invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 187.448147] syz-executor713 cpuset=/ mems_allowed=0-1 [ 187.448153] CPU: 0 PID: 7279 Comm: syz-executor713 Not tainted 4.15.0-rc1+ #1 [ 187.448154] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 187.448155] Call Trace: [ 187.448160] dump_stack+0x145/0x1e1 [ 187.448163] ? arch_local_irq_restore+0x43/0x43 [ 187.448169] dump_header+0x279/0xdc0 [ 187.448172] ? __lock_acquire+0x6c7/0x44f0 [ 187.448177] ? oom_reaper.cold.25+0x28/0x28 [ 187.448181] ? debug_check_no_locks_freed+0x310/0x310 [ 187.448183] ? copy_trace+0x140/0x140 [ 187.448187] ? __lock_acquire+0x6c7/0x44f0 [ 187.448191] ? copy_trace+0x140/0x140 [ 187.448193] ? print_usage_bug+0xc0/0xc0 [ 187.448196] ? find_held_lock+0x3a/0x1d0 [ 187.448199] ? print_usage_bug+0xc0/0xc0 [ 187.448202] ? lock_downgrade+0x8e0/0x8e0 [ 187.448204] ? lock_acquire+0x1e5/0x540 [ 187.448207] ? ___ratelimit+0x137/0x637 [ 187.448210] ? lock_release+0xe90/0xe90 [ 187.448213] ? mark_held_locks+0xc8/0x130 [ 187.448215] ? do_raw_spin_trylock+0x190/0x190 [ 187.448219] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 187.448221] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 187.448224] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 187.448227] ? ___ratelimit+0x2cf/0x637 [ 187.448230] ? idr_get_free_cmn+0x1530/0x1530 [ 187.448232] ? find_held_lock+0x3a/0x1d0 [ 187.448236] oom_kill_process.cold.26+0xb/0xede [ 187.448238] ? copy_trace+0x140/0x140 [ 187.448239] ? lock_downgrade+0x8e0/0x8e0 [ 187.448244] ? refcount_dec_and_test+0x11/0x20 [ 187.448246] ? apparmor_capable+0x35e/0x560 [ 187.448249] ? oom_evaluate_task+0x450/0x450 [ 187.448251] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.448253] ? debug_smp_processor_id+0x17/0x20 [ 187.448255] ? rcu_is_watching+0x61/0x170 [ 187.448257] ? __lock_is_held+0xb8/0x140 [ 187.448260] ? find_held_lock+0x3a/0x1d0 [ 187.448263] ? copy_trace+0x140/0x140 [ 187.448266] ? lock_downgrade+0x8e0/0x8e0 [ 187.448268] ? lock_acquire+0x1e5/0x540 [ 187.448270] ? oom_unkillable_task+0xfd/0x460 [ 187.448274] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.448277] ? find_held_lock+0x3a/0x1d0 [ 187.448282] ? lock_downgrade+0x8e0/0x8e0 [ 187.448285] ? oom_reaper+0x3a0/0x3a0 [ 187.448286] ? copy_trace+0x140/0x140 [ 187.448289] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.448292] ? debug_smp_processor_id+0x17/0x20 [ 187.448293] ? rcu_is_watching+0x61/0x170 [ 187.448296] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.448298] ? oom_evaluate_task+0x44/0x450 [ 187.448302] out_of_memory+0x71e/0x10d0 [ 187.448306] ? oom_killer_disable+0x2b0/0x2b0 [ 187.448308] ? __alloc_pages_slowpath+0xf61/0x2e60 [ 187.448310] ? __lock_is_held+0xb8/0x140 [ 187.448312] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 187.448317] __alloc_pages_slowpath+0x23ba/0x2e60 [ 187.448328] ? warn_alloc+0x110/0x110 [ 187.448331] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.448333] ? debug_smp_processor_id+0x17/0x20 [ 187.448335] ? __lock_is_held+0xb8/0x140 [ 187.448337] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.448343] ? print_usage_bug+0xc0/0xc0 [ 187.448344] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.448348] ? copy_trace+0x140/0x140 [ 187.448351] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 187.448354] ? __lock_acquire+0x6c7/0x44f0 [ 187.448360] ? __lock_is_held+0xb8/0x140 [ 187.448366] ? lock_release+0xe90/0xe90 [ 187.448369] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.448370] ? debug_smp_processor_id+0x17/0x20 [ 187.448372] ? rcu_is_watching+0x61/0x170 [ 187.448377] ? __might_sleep+0x95/0x190 [ 187.448380] __alloc_pages_nodemask+0xa68/0xdc0 [ 187.448384] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.448387] ? find_get_pages_contig+0x12b0/0x12b0 [ 187.448389] ? read_cache_pages+0x940/0x940 [ 187.448391] ? copy_trace+0x140/0x140 [ 187.448394] ? copy_trace+0x140/0x140 [ 187.448396] ? copy_trace+0x140/0x140 [ 187.448398] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.448401] ? find_held_lock+0x3a/0x1d0 [ 187.448406] ? lock_downgrade+0x8e0/0x8e0 [ 187.448410] alloc_pages_current+0xd6/0x1b0 [ 187.448413] __page_cache_alloc+0x291/0x4a0 [ 187.448416] ? debug_smp_processor_id+0x17/0x20 [ 187.448417] ? rcu_is_watching+0x61/0x170 [ 187.448420] ? trace_event_raw_event_file_check_and_advance_wb_err+0x4a0/0x4a0 [ 187.448422] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.448427] filemap_fault+0xf60/0x1c90 [ 187.448433] ? __lock_page_or_retry+0x440/0x440 [ 187.448436] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.448445] ? find_get_pages_range_tag+0xfd0/0xfd0 [ 187.448449] ? copy_trace+0x140/0x140 [ 187.448451] ? copy_trace+0x140/0x140 [ 187.448458] ? __lock_is_held+0xb8/0x140 [ 187.448461] ? lock_acquire+0x1e5/0x540 [ 187.448463] ? ext4_filemap_fault+0x78/0xa8 [ 187.448467] ? lock_release+0xe90/0xe90 [ 187.448469] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.448471] ? copy_trace+0x140/0x140 [ 187.448476] ? __might_sleep+0x95/0x190 [ 187.448478] ? down_read+0x91/0x150 [ 187.448480] ? ext4_filemap_fault+0x78/0xa8 [ 187.448482] ? __down_interruptible+0x6e0/0x6e0 [ 187.448484] ? lock_downgrade+0x8e0/0x8e0 [ 187.448488] ext4_filemap_fault+0x80/0xa8 [ 187.448491] __do_fault+0xde/0x3c0 [ 187.448493] ? print_bad_pte+0x740/0x740 [ 187.448495] ? do_raw_spin_unlock+0x1ec/0x2d0 [ 187.448498] ? do_raw_spin_trylock+0x190/0x190 [ 187.448501] ? add_mm_counter_fast+0xc0/0xc0 [ 187.448505] handle_pte_fault+0x1897/0x3c90 [ 187.448508] ? debug_check_no_locks_freed+0x310/0x310 [ 187.448509] ? debug_check_no_locks_freed+0x310/0x310 [ 187.448511] ? debug_check_no_locks_freed+0x310/0x310 [ 187.448514] ? finish_fault+0x2a0/0x2a0 [ 187.448515] ? finish_task_switch+0x1f9/0x7f0 [ 187.448517] ? finish_task_switch+0x1d0/0x7f0 [ 187.448521] ? debug_check_no_locks_freed+0x310/0x310 [ 187.448526] ? __schedule+0x829/0x1fa0 [ 187.448528] ? copy_trace+0x140/0x140 [ 187.448530] ? copy_trace+0x140/0x140 [ 187.448533] ? pci_mmcfg_check_reserved+0x120/0x120 [ 187.448535] ? timerqueue_add+0x12b/0x2c0 [ 187.448538] ? copy_trace+0x140/0x140 [ 187.448539] ? copy_trace+0x140/0x140 [ 187.448541] ? copy_trace+0x140/0x140 [ 187.448543] ? hrtimer_forward+0x1b0/0x1b0 [ 187.448546] ? find_held_lock+0x3a/0x1d0 [ 187.448548] ? add_mm_counter_fast+0xc0/0xc0 [ 187.448553] __handle_mm_fault+0xa41/0x21e0 [ 187.448554] ? __lock_is_held+0xb8/0x140 [ 187.448556] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.448559] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 187.448567] handle_mm_fault+0x2c3/0x810 [ 187.448570] ? __do_page_fault+0x289/0xb60 [ 187.448572] ? __handle_mm_fault+0x21e0/0x21e0 [ 187.448576] ? find_vma+0x1a/0x150 [ 187.448579] __do_page_fault+0x477/0xb60 [ 187.448583] ? vmalloc_fault+0xbd0/0xbd0 [ 187.448586] ? memset+0x31/0x40 [ 187.448590] do_page_fault+0xd9/0x6a8 [ 187.448593] ? vmalloc_sync_all+0x20/0x20 [ 187.448594] ? nanosleep_copyout+0xd0/0xd0 [ 187.448597] ? enqueue_hrtimer+0x480/0x480 [ 187.448602] ? lockdep_sys_exit+0x43/0x60 [ 187.448604] ? retint_user+0x18/0x18 [ 187.448609] do_async_page_fault+0x27/0x100 [ 187.448612] async_page_fault+0x22/0x30 [ 187.448614] RIP: 0033:0x439e54 [ 187.448615] RSP: 002b:00007fff77e732f0 EFLAGS: 00010217 [ 187.448617] RAX: 0000000000000000 RBX: 000000000002d315 RCX: 0000000000438600 [ 187.448619] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff77e732f0 [ 187.448620] RBP: 0000000000001c78 R08: 000000000221f880 R09: 0000000000000003 [ 187.448621] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 187.448622] R13: 00007fff77e73328 R14: 00007fff77e73330 R15: 0000000000000000 [ 187.448628] Mem-Info: [ 187.448632] active_anon:1041 inactive_anon:199 isolated_anon:0 [ 187.448632] active_file:15 inactive_file:10 isolated_file:0 [ 187.448632] unevictable:0 dirty:0 writeback:0 unstable:0 [ 187.448632] slab_reclaimable:8489 slab_unreclaimable:39446 [ 187.448632] mapped:2 shmem:241 pagetables:282 bounce:0 [ 187.448632] free:8985 free_pcp:135 free_cma:0 [ 187.448635] Node 0 active_anon:484kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.448638] Node 1 active_anon:3680kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.448639] Node 0 DMA free:2572kB min:660kB low:824kB high:988kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 187.448643] lowmem_reserve[]: 0 561 561 561 [ 187.448648] Node 0 DMA32 free:11892kB min:23956kB low:29944kB high:35932kB active_anon:484kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:0kB present:1032192kB managed:577928kB mlocked:0kB kernel_stack:4832kB pagetables:184kB bounce:0kB free_pcp:336kB local_pcp:216kB free_cma:0kB [ 187.448652] lowmem_reserve[]: 0 0 0 0 [ 187.448657] Node 1 DMA32 free:21476kB min:42964kB low:53704kB high:64444kB active_anon:3680kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB writepending:0kB present:1048448kB managed:1031688kB mlocked:0kB kernel_stack:1696kB pagetables:944kB bounce:0kB free_pcp:204kB local_pcp:204kB free_cma:0kB [ 187.448661] lowmem_reserve[]: 0 0 0 0 [ 187.448666] Node 0 DMA: 3*4kB (UM) 2*8kB (M) 3*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 1*512kB (E) 1*1024kB (M) 0*2048kB 0*4096kB = 2572kB [ 187.448687] Node 0 DMA32: 339*4kB (UME) 185*8kB (ME) 92*16kB (UME) 57*32kB (ME) 36*64kB (UM) 13*128kB (UM) 7*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 11892kB [ 187.448707] Node 1 DMA32: 385*4kB (UME) 207*8kB (ME) 158*16kB (UME) 102*32kB (UME) 65*64kB (UM) 30*128kB (UM) 8*256kB (M) 3*512kB (UM) 1*1024kB (U) 0*2048kB 0*4096kB = 21596kB [ 187.448729] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.448730] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.448731] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.448733] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.448734] 266 total pagecache pages [ 187.448738] 0 pages in swap cache [ 187.448739] Swap cache stats: add 0, delete 0, find 0/0 [ 187.448740] Free swap = 0kB [ 187.448741] Total swap = 0kB [ 187.448742] 524158 pages RAM [ 187.448743] 0 pages HighMem/MovableOnly [ 187.448744] 117777 pages reserved [ 187.448745] 0 pages cma reserved [ 187.448747] Unreclaimable slab info: [ 187.448748] Name Used Total [ 187.448753] pid_2 1KB 8KB [ 187.448772] bio-3 0KB 7KB [ 187.448781] batadv_tt_change_cache 2KB 7KB [ 187.448785] batadv_tl_cache 2KB 8KB [ 187.448793] TIPC 6KB 15KB [ 187.448800] SCTPv6 33KB 37KB [ 187.448806] DCCPv6 2KB 7KB [ 187.448810] DCCP 2KB 7KB [ 187.448828] bridge_fdb_cache 5KB 15KB [ 187.448832] fib6_nodes 56KB 120KB [ 187.448834] ip6_dst_cache 382KB 878KB [ 187.448844] RAWv6 75KB 94KB [ 187.448847] UDPv6 5KB 10KB [ 187.448850] TCPv6 2KB 5KB [ 187.448879] scsi_sense_cache 88KB 156KB [ 187.448881] sd_ext_cdb 0KB 7KB [ 187.448883] virtio_scsi_cmd 16KB 16KB [ 187.448888] sgpool-128 15KB 15KB [ 187.448890] sgpool-64 13KB 31KB [ 187.448892] sgpool-32 104KB 178KB [ 187.448894] sgpool-16 83KB 150KB [ 187.448896] sgpool-8 201KB 240KB [ 187.448900] cfq_io_cq 13KB 23KB [ 187.448902] cfq_queue 25KB 38KB [ 187.448905] mqueue_inode_cache 7KB 23KB [ 187.448931] bio-2 14KB 15KB [ 187.448933] jfs_mp 7KB 7KB [ 187.448947] nfs_commit_data 3KB 7KB [ 187.448949] nfs_write_data 34KB 44KB [ 187.448968] ext4_system_zone 0KB 7KB [ 187.448979] bio-1 1KB 7KB [ 187.448982] pid_namespace 1KB 7KB [ 187.448985] rpc_buffers 17KB 25KB [ 187.448987] rpc_tasks 2KB 7KB [ 187.448989] UNIX 120KB 146KB [ 187.448994] tcp_bind_bucket 0KB 8KB [ 187.448998] ip_fib_trie 9KB 19KB [ 187.449001] ip_fib_alias 40KB 83KB [ 187.449003] ip_dst_cache 6KB 7KB [ 187.449006] RAW 40KB 60KB [ 187.449008] UDP 24KB 32KB [ 187.449011] request_sock_TCP 1KB 3KB [ 187.449013] TCP 8KB 10KB [ 187.449016] hugetlbfs_inode_cache 2KB 7KB [ 187.449018] fscache_cookie_jar 0KB 7KB [ 187.449020] eventpoll_pwq 23KB 27KB [ 187.449022] eventpoll_epi 44KB 51KB [ 187.449024] inotify_inode_mark 6KB 11KB [ 187.449028] request_queue 160KB 166KB [ 187.449030] blkdev_requests 14KB 14KB [ 187.449032] blkdev_ioc 22KB 30KB [ 187.449034] bio-0 300KB 303KB [ 187.449036] biovec-(1<<(21-12)) 1394KB 1394KB [ 187.449039] biovec-64 87KB 173KB [ 187.449042] biovec-16 33KB 63KB [ 187.449044] bio_integrity_payload 1KB 8KB [ 187.449046] khugepaged_mm_slot 1KB 7KB [ 187.449051] uid_cache 3KB 7KB [ 187.449054] dmaengine-unmap-256 2KB 6KB [ 187.449056] dmaengine-unmap-128 1KB 3KB [ 187.449058] dmaengine-unmap-16 0KB 4KB [ 187.449060] dmaengine-unmap-2 0KB 3KB [ 187.449064] skbuff_fclone_cache 25KB 33KB [ 187.449066] skbuff_head_cache 920KB 1008KB [ 187.449068] configfs_dir_cache 0KB 8KB [ 187.449070] file_lock_cache 56KB 71KB [ 187.449072] file_lock_ctx 0KB 7KB [ 187.449074] fsnotify_mark_connector 3KB 7KB [ 187.449077] net_namespace 40KB 56KB [ 187.449079] shmem_inode_cache 4923KB 4943KB [ 187.449081] task_delay_info 81KB 263KB [ 187.449083] taskstats 7KB 7KB [ 187.449085] sigqueue 48KB 66KB [ 187.449087] kernfs_node_cache 9680KB 9894KB [ 187.449089] mnt_cache 54KB 88KB [ 187.449092] filp 2125KB 3918KB [ 187.449094] names_cache 16218KB 16218KB [ 187.449096] iint_cache 18KB 31KB [ 187.449098] key_jar 3KB 7KB [ 187.449100] nsproxy 0KB 7KB [ 187.449102] vm_area_struct 2622KB 3499KB [ 187.449104] mm_struct 543KB 862KB [ 187.449106] fs_cache 50KB 152KB [ 187.449107] files_cache 194KB 352KB [ 187.449109] signal_cache 718KB 984KB [ 187.449111] sighand_cache 700KB 1054KB [ 187.449113] task_struct 3308KB 3341KB [ 187.449115] cred_jar 317KB 764KB [ 187.449117] anon_vma_chain 1481KB 2012KB [ 187.449119] anon_vma 253KB 879KB [ 187.449121] pid 59KB 204KB [ 187.449123] Acpi-Operand 37KB 99KB [ 187.449128] Acpi-Namespace 16KB 23KB [ 187.449131] numa_policy 0KB 3KB [ 187.449133] debug_objects_cache 843KB 2092KB [ 187.449135] trace_event_file 242KB 243KB [ 187.449137] ftrace_event_field 348KB 354KB [ 187.449139] pool_workqueue 92KB 104KB [ 187.449142] task_group 4KB 7KB [ 187.449144] page->ptl 403KB 1015KB [ 187.449161] kmalloc-2097152 2050KB 2050KB [ 187.449163] kmalloc-524288 1028KB 1028KB [ 187.449165] kmalloc-262144 258KB 258KB [ 187.449167] kmalloc-131072 260KB 260KB [ 187.449169] kmalloc-65536 1254KB 1386KB [ 187.449171] kmalloc-32768 1089KB 1254KB [ 187.449173] kmalloc-16384 528KB 561KB [ 187.449175] kmalloc-8192 4545KB 4611KB [ 187.449177] kmalloc-4096 12235KB 12278KB [ 187.449179] kmalloc-2048 7418KB 8395KB [ 187.449181] kmalloc-1024 3967KB 5292KB [ 187.449183] kmalloc-512 2621KB 4057KB [ 187.449185] kmalloc-256 3011KB 3847KB [ 187.449187] kmalloc-128 606KB 838KB [ 187.449189] kmalloc-96 991KB 1584KB [ 187.449190] kmalloc-64 1303KB 1668KB [ 187.449192] kmalloc-32 1216KB 1433KB [ 187.449194] kmalloc-192 1042KB 1284KB [ 187.449196] kmem_cache 195KB 202KB [ 187.449198] Out of memory: Kill process 7270 (sshd) score 0 or sacrifice child [ 187.449208] Killed process 7270 (sshd) total-vm:71284kB, anon-rss:784kB, file-rss:0kB, shmem-rss:4kB [ 187.490515] oom_reaper: reaped process 7270 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB [ 187.497915] syz-executor713 invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 187.497916] syz-executor713 cpuset=/ mems_allowed=0-1 [ 187.497922] CPU: 0 PID: 7277 Comm: syz-executor713 Not tainted 4.15.0-rc1+ #1 [ 187.497923] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 187.497924] Call Trace: [ 187.497928] dump_stack+0x145/0x1e1 [ 187.497931] ? arch_local_irq_restore+0x43/0x43 [ 187.497937] dump_header+0x279/0xdc0 [ 187.497940] ? __lock_acquire+0x6c7/0x44f0 [ 187.497945] ? oom_reaper.cold.25+0x28/0x28 [ 187.497948] ? debug_check_no_locks_freed+0x310/0x310 [ 187.497951] ? copy_trace+0x140/0x140 [ 187.497954] ? __lock_acquire+0x6c7/0x44f0 [ 187.497958] ? copy_trace+0x140/0x140 [ 187.497960] ? print_usage_bug+0xc0/0xc0 [ 187.497963] ? find_held_lock+0x3a/0x1d0 [ 187.497966] ? print_usage_bug+0xc0/0xc0 [ 187.497970] ? lock_downgrade+0x8e0/0x8e0 [ 187.497972] ? lock_acquire+0x1e5/0x540 [ 187.497974] ? ___ratelimit+0x137/0x637 [ 187.497978] ? lock_release+0xe90/0xe90 [ 187.497981] ? mark_held_locks+0xc8/0x130 [ 187.497983] ? do_raw_spin_trylock+0x190/0x190 [ 187.497986] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 187.497989] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 187.497992] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 187.497994] ? ___ratelimit+0x2cf/0x637 [ 187.497998] ? idr_get_free_cmn+0x1530/0x1530 [ 187.498000] ? find_held_lock+0x3a/0x1d0 [ 187.498004] oom_kill_process.cold.26+0xb/0xede [ 187.498006] ? copy_trace+0x140/0x140 [ 187.498008] ? lock_downgrade+0x8e0/0x8e0 [ 187.498011] ? refcount_dec_and_test+0x11/0x20 [ 187.498014] ? apparmor_capable+0x35e/0x560 [ 187.498016] ? oom_evaluate_task+0x450/0x450 [ 187.498018] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.498020] ? debug_smp_processor_id+0x17/0x20 [ 187.498022] ? rcu_is_watching+0x61/0x170 [ 187.498024] ? __lock_is_held+0xb8/0x140 [ 187.498027] ? find_held_lock+0x3a/0x1d0 [ 187.498030] ? copy_trace+0x140/0x140 [ 187.498034] ? lock_downgrade+0x8e0/0x8e0 [ 187.498036] ? lock_acquire+0x1e5/0x540 [ 187.498037] ? oom_unkillable_task+0xfd/0x460 [ 187.498041] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.498044] ? find_held_lock+0x3a/0x1d0 [ 187.498049] ? lock_downgrade+0x8e0/0x8e0 [ 187.498052] ? oom_reaper+0x3a0/0x3a0 [ 187.498053] ? copy_trace+0x140/0x140 [ 187.498056] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.498059] ? debug_smp_processor_id+0x17/0x20 [ 187.498061] ? rcu_is_watching+0x61/0x170 [ 187.498063] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.498066] ? oom_evaluate_task+0x44/0x450 [ 187.498069] out_of_memory+0x71e/0x10d0 [ 187.498073] ? oom_killer_disable+0x2b0/0x2b0 [ 187.498076] ? __alloc_pages_slowpath+0xf61/0x2e60 [ 187.498077] ? __lock_is_held+0xb8/0x140 [ 187.498079] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 187.498085] __alloc_pages_slowpath+0x23ba/0x2e60 [ 187.498095] ? warn_alloc+0x110/0x110 [ 187.498099] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.498101] ? debug_smp_processor_id+0x17/0x20 [ 187.498104] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.498106] ? rcu_read_lock_sched_held+0x108/0x120 [ 187.498111] ? print_usage_bug+0xc0/0xc0 [ 187.498112] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.498115] ? print_usage_bug+0xc0/0xc0 [ 187.498117] ? copy_trace+0x140/0x140 [ 187.498120] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 187.498123] ? __lock_acquire+0x6c7/0x44f0 [ 187.498129] ? __lock_is_held+0xb8/0x140 [ 187.498134] ? lock_release+0xe90/0xe90 [ 187.498137] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.498139] ? debug_smp_processor_id+0x17/0x20 [ 187.498141] ? rcu_is_watching+0x61/0x170 [ 187.498145] ? __might_sleep+0x95/0x190 [ 187.498149] __alloc_pages_nodemask+0xa68/0xdc0 [ 187.498153] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.498156] ? find_get_pages_contig+0x12b0/0x12b0 [ 187.498158] ? read_cache_pages+0x940/0x940 [ 187.498160] ? copy_trace+0x140/0x140 [ 187.498162] ? copy_trace+0x140/0x140 [ 187.498164] ? copy_trace+0x140/0x140 [ 187.498166] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.498169] ? find_held_lock+0x3a/0x1d0 [ 187.498174] ? lock_downgrade+0x8e0/0x8e0 [ 187.498178] alloc_pages_current+0xd6/0x1b0 [ 187.498182] __page_cache_alloc+0x291/0x4a0 [ 187.498184] ? debug_smp_processor_id+0x17/0x20 [ 187.498186] ? rcu_is_watching+0x61/0x170 [ 187.498189] ? trace_event_raw_event_file_check_and_advance_wb_err+0x4a0/0x4a0 [ 187.498190] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.498195] filemap_fault+0xf60/0x1c90 [ 187.498197] ? filemap_map_pages+0x1c6/0x16b0 [ 187.498203] ? __lock_page_or_retry+0x440/0x440 [ 187.498205] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.498215] ? find_get_pages_range_tag+0xfd0/0xfd0 [ 187.498219] ? copy_trace+0x140/0x140 [ 187.498221] ? copy_trace+0x140/0x140 [ 187.498229] ? __lock_is_held+0xb8/0x140 [ 187.498232] ? lock_acquire+0x1e5/0x540 [ 187.498233] ? ext4_filemap_fault+0x78/0xa8 [ 187.498237] ? lock_release+0xe90/0xe90 [ 187.498239] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.498242] ? copy_trace+0x140/0x140 [ 187.498246] ? __might_sleep+0x95/0x190 [ 187.498249] ? down_read+0x91/0x150 [ 187.498250] ? ext4_filemap_fault+0x78/0xa8 [ 187.498252] ? __down_interruptible+0x6e0/0x6e0 [ 187.498255] ? lock_downgrade+0x8e0/0x8e0 [ 187.498258] ext4_filemap_fault+0x80/0xa8 [ 187.498261] __do_fault+0xde/0x3c0 [ 187.498263] ? print_bad_pte+0x740/0x740 [ 187.498266] ? __lock_acquire+0x6c7/0x44f0 [ 187.498269] ? add_mm_counter_fast+0xc0/0xc0 [ 187.498274] handle_pte_fault+0x1897/0x3c90 [ 187.498276] ? debug_check_no_locks_freed+0x310/0x310 [ 187.498278] ? debug_check_no_locks_freed+0x310/0x310 [ 187.498279] ? debug_check_no_locks_freed+0x310/0x310 [ 187.498282] ? finish_fault+0x2a0/0x2a0 [ 187.498284] ? finish_task_switch+0x1f9/0x7f0 [ 187.498286] ? finish_task_switch+0x1d0/0x7f0 [ 187.498290] ? debug_check_no_locks_freed+0x310/0x310 [ 187.498294] ? __schedule+0x829/0x1fa0 [ 187.498296] ? copy_trace+0x140/0x140 [ 187.498298] ? copy_trace+0x140/0x140 [ 187.498301] ? pci_mmcfg_check_reserved+0x120/0x120 [ 187.498304] ? timerqueue_add+0x12b/0x2c0 [ 187.498306] ? copy_trace+0x140/0x140 [ 187.498308] ? copy_trace+0x140/0x140 [ 187.498309] ? copy_trace+0x140/0x140 [ 187.498312] ? hrtimer_forward+0x1b0/0x1b0 [ 187.498314] ? find_held_lock+0x3a/0x1d0 [ 187.498317] ? add_mm_counter_fast+0xc0/0xc0 [ 187.498321] __handle_mm_fault+0xa41/0x21e0 [ 187.498323] ? __lock_is_held+0xb8/0x140 [ 187.498325] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.498328] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 187.498336] handle_mm_fault+0x2c3/0x810 [ 187.498338] ? __do_page_fault+0x289/0xb60 [ 187.498341] ? __handle_mm_fault+0x21e0/0x21e0 [ 187.498345] ? find_vma+0x1a/0x150 [ 187.498348] __do_page_fault+0x477/0xb60 [ 187.498352] ? vmalloc_fault+0xbd0/0xbd0 [ 187.498355] ? memset+0x31/0x40 [ 187.498358] do_page_fault+0xd9/0x6a8 [ 187.498361] ? vmalloc_sync_all+0x20/0x20 [ 187.498363] ? nanosleep_copyout+0xd0/0xd0 [ 187.498366] ? enqueue_hrtimer+0x480/0x480 [ 187.498371] ? lockdep_sys_exit+0x43/0x60 [ 187.498373] ? retint_user+0x18/0x18 [ 187.498379] do_async_page_fault+0x27/0x100 [ 187.498381] async_page_fault+0x22/0x30 [ 187.498383] RIP: 0033:0x40104c [ 187.498385] RSP: 002b:00007fff77e73310 EFLAGS: 00010202 [ 187.498387] RAX: 0000000000000000 RBX: 000000000002d311 RCX: 0000000000438600 [ 187.498388] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff77e732f0 [ 187.498389] RBP: 0000000000001c70 R08: 000000000221f880 R09: 0000000000000003 [ 187.498390] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 187.498391] R13: 00007fff77e73328 R14: 00007fff77e73330 R15: 0000000000000000 [ 187.498397] Mem-Info: [ 187.498402] active_anon:837 inactive_anon:199 isolated_anon:0 [ 187.498402] active_file:15 inactive_file:10 isolated_file:0 [ 187.498402] unevictable:0 dirty:0 writeback:0 unstable:0 [ 187.498402] slab_reclaimable:8489 slab_unreclaimable:39446 [ 187.498402] mapped:2 shmem:241 pagetables:282 bounce:0 [ 187.498402] free:8976 free_pcp:269 free_cma:0 [ 187.498405] Node 0 active_anon:484kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.498408] Node 1 active_anon:2864kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.498409] Node 0 DMA free:2572kB min:660kB low:824kB high:988kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 187.498413] lowmem_reserve[]: 0 561 561 561 [ 187.498418] Node 0 DMA32 free:11892kB min:23956kB low:29944kB high:35932kB active_anon:484kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:0kB present:1032192kB managed:577928kB mlocked:0kB kernel_stack:4832kB pagetables:184kB bounce:0kB free_pcp:336kB local_pcp:216kB free_cma:0kB [ 187.498422] lowmem_reserve[]: 0 0 0 0 [ 187.498427] Node 1 DMA32 free:21440kB min:42964kB low:53704kB high:64444kB active_anon:2864kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB writepending:0kB present:1048448kB managed:1031688kB mlocked:0kB kernel_stack:1696kB pagetables:944kB bounce:0kB free_pcp:740kB local_pcp:620kB free_cma:0kB [ 187.498431] lowmem_reserve[]: 0 0 0 0 [ 187.498436] Node 0 DMA: 3*4kB (UM) 2*8kB (M) 3*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 1*512kB (E) 1*1024kB (M) 0*2048kB 0*4096kB = 2572kB [ 187.498457] Node 0 DMA32: 339*4kB (UME) 185*8kB (ME) 92*16kB (UME) 57*32kB (ME) 36*64kB (UM) 13*128kB (UM) 7*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 11892kB [ 187.498477] Node 1 DMA32: 388*4kB (ME) 208*8kB (ME) 163*16kB (ME) 101*32kB (ME) 64*64kB (M) 29*128kB (M) 8*256kB (M) 3*512kB (UM) 1*1024kB (U) 0*2048kB 0*4096kB = 21472kB [ 187.498499] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.498500] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.498501] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.498503] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.498504] 266 total pagecache pages [ 187.498508] 0 pages in swap cache [ 187.498509] Swap cache stats: add 0, delete 0, find 0/0 [ 187.498510] Free swap = 0kB [ 187.498511] Total swap = 0kB [ 187.498513] 524158 pages RAM [ 187.498514] 0 pages HighMem/MovableOnly [ 187.498515] 117777 pages reserved [ 187.498516] 0 pages cma reserved [ 187.498517] Unreclaimable slab info: [ 187.498518] Name Used Total [ 187.498522] pid_2 1KB 8KB [ 187.498540] bio-3 0KB 7KB [ 187.498549] batadv_tt_change_cache 2KB 7KB [ 187.498552] batadv_tl_cache 2KB 8KB [ 187.498560] TIPC 6KB 15KB [ 187.498567] SCTPv6 33KB 37KB [ 187.498572] DCCPv6 2KB 7KB [ 187.498575] DCCP 2KB 7KB [ 187.498591] bridge_fdb_cache 5KB 15KB [ 187.498596] fib6_nodes 56KB 120KB [ 187.498598] ip6_dst_cache 382KB 878KB [ 187.498601] RAWv6 75KB 94KB [ 187.498604] UDPv6 5KB 10KB [ 187.498607] TCPv6 2KB 5KB [ 187.498632] scsi_sense_cache 88KB 156KB [ 187.498634] sd_ext_cdb 0KB 7KB [ 187.498636] virtio_scsi_cmd 16KB 16KB [ 187.498640] sgpool-128 15KB 15KB [ 187.498642] sgpool-64 13KB 31KB [ 187.498644] sgpool-32 104KB 178KB [ 187.498646] sgpool-16 83KB 150KB [ 187.498648] sgpool-8 201KB 240KB [ 187.498651] cfq_io_cq 13KB 23KB [ 187.498653] cfq_queue 25KB 38KB [ 187.498656] mqueue_inode_cache 7KB 23KB [ 187.498679] bio-2 14KB 15KB [ 187.498681] jfs_mp 7KB 7KB [ 187.498693] nfs_commit_data 3KB 7KB [ 187.498696] nfs_write_data 34KB 44KB [ 187.498710] ext4_system_zone 0KB 7KB [ 187.498720] bio-1 1KB 7KB [ 187.498723] pid_namespace 1KB 7KB [ 187.498726] rpc_buffers 17KB 25KB [ 187.498728] rpc_tasks 2KB 7KB [ 187.498730] UNIX 120KB 146KB [ 187.498734] tcp_bind_bucket 0KB 8KB [ 187.498738] ip_fib_trie 9KB 19KB [ 187.498740] ip_fib_alias 40KB 83KB [ 187.498742] ip_dst_cache 6KB 7KB [ 187.498745] RAW 40KB 60KB [ 187.498747] UDP 24KB 32KB [ 187.498750] request_sock_TCP 1KB 3KB [ 187.498752] TCP 8KB 10KB [ 187.498755] hugetlbfs_inode_cache 2KB 7KB [ 187.498757] fscache_cookie_jar 0KB 7KB [ 187.498759] eventpoll_pwq 23KB 27KB [ 187.498761] eventpoll_epi 44KB 51KB [ 187.498763] inotify_inode_mark 6KB 11KB [ 187.498766] request_queue 160KB 166KB [ 187.498768] blkdev_requests 14KB 14KB [ 187.498770] blkdev_ioc 22KB 30KB [ 187.498772] bio-0 300KB 303KB [ 187.498774] biovec-(1<<(21-12)) 1394KB 1394KB [ 187.498777] biovec-64 87KB 173KB [ 187.498779] biovec-16 33KB 63KB [ 187.498781] bio_integrity_payload 1KB 8KB [ 187.498783] khugepaged_mm_slot 1KB 7KB [ 187.498788] uid_cache 3KB 7KB [ 187.498790] dmaengine-unmap-256 2KB 6KB [ 187.498792] dmaengine-unmap-128 1KB 3KB [ 187.498794] dmaengine-unmap-16 0KB 4KB [ 187.498796] dmaengine-unmap-2 0KB 3KB [ 187.498799] skbuff_fclone_cache 25KB 33KB [ 187.498801] skbuff_head_cache 920KB 1008KB [ 187.498803] configfs_dir_cache 0KB 8KB [ 187.498805] file_lock_cache 56KB 71KB [ 187.498807] file_lock_ctx 0KB 7KB [ 187.498809] fsnotify_mark_connector 3KB 7KB [ 187.498811] net_namespace 40KB 56KB [ 187.498813] shmem_inode_cache 4923KB 4943KB [ 187.498815] task_delay_info 81KB 263KB [ 187.498817] taskstats 7KB 7KB [ 187.498819] sigqueue 48KB 66KB [ 187.498821] kernfs_node_cache 9680KB 9894KB [ 187.498823] mnt_cache 54KB 88KB [ 187.498825] filp 2125KB 3918KB [ 187.498827] names_cache 16218KB 16218KB [ 187.498829] iint_cache 18KB 31KB [ 187.498831] key_jar 3KB 7KB [ 187.498833] nsproxy 0KB 7KB [ 187.498835] vm_area_struct 2622KB 3499KB [ 187.498836] mm_struct 543KB 862KB [ 187.498839] fs_cache 50KB 152KB [ 187.498840] files_cache 194KB 352KB [ 187.498842] signal_cache 718KB 984KB [ 187.498844] sighand_cache 700KB 1054KB [ 187.498846] task_struct 3308KB 3341KB [ 187.498848] cred_jar 317KB 764KB [ 187.498850] anon_vma_chain 1481KB 2012KB [ 187.498852] anon_vma 253KB 879KB [ 187.498854] pid 59KB 204KB [ 187.498856] Acpi-Operand 37KB 99KB [ 187.498860] Acpi-Namespace 16KB 23KB [ 187.498863] numa_policy 0KB 3KB [ 187.498865] debug_objects_cache 843KB 2092KB [ 187.498867] trace_event_file 242KB 243KB [ 187.498869] ftrace_event_field 348KB 354KB [ 187.498871] pool_workqueue 92KB 104KB [ 187.498873] task_group 4KB 7KB [ 187.498875] page->ptl 403KB 1015KB [ 187.498892] kmalloc-2097152 2050KB 2050KB [ 187.498894] kmalloc-524288 1028KB 1028KB [ 187.498896] kmalloc-262144 258KB 258KB [ 187.498898] kmalloc-131072 260KB 260KB [ 187.498900] kmalloc-65536 1254KB 1386KB [ 187.498902] kmalloc-32768 1089KB 1254KB [ 187.498904] kmalloc-16384 528KB 561KB [ 187.498905] kmalloc-8192 4545KB 4611KB [ 187.498907] kmalloc-4096 12235KB 12278KB [ 187.498909] kmalloc-2048 7418KB 8395KB [ 187.498911] kmalloc-1024 3967KB 5292KB [ 187.498913] kmalloc-512 2621KB 4057KB [ 187.498915] kmalloc-256 3011KB 3847KB [ 187.498917] kmalloc-128 606KB 838KB [ 187.498918] kmalloc-96 991KB 1584KB [ 187.498920] kmalloc-64 1303KB 1668KB [ 187.498922] kmalloc-32 1216KB 1433KB [ 187.498924] kmalloc-192 1042KB 1284KB [ 187.498926] kmem_cache 195KB 202KB [ 187.498928] Out of memory: Kill process 7247 (getty) score 0 or sacrifice child [ 187.498940] Killed process 7247 (getty) total-vm:14776kB, anon-rss:164kB, file-rss:4kB, shmem-rss:0kB [ 187.585754] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 187.585757] init cpuset=/ mems_allowed=0-1 [ 187.585762] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc1+ #1 [ 187.585763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 187.585764] Call Trace: [ 187.585768] dump_stack+0x145/0x1e1 [ 187.585771] ? arch_local_irq_restore+0x43/0x43 [ 187.585776] dump_header+0x279/0xdc0 [ 187.585779] ? __lock_acquire+0x6c7/0x44f0 [ 187.585784] ? oom_reaper.cold.25+0x28/0x28 [ 187.585788] ? debug_check_no_locks_freed+0x310/0x310 [ 187.585790] ? copy_trace+0x140/0x140 [ 187.585794] ? __lock_acquire+0x6c7/0x44f0 [ 187.585798] ? copy_trace+0x140/0x140 [ 187.585800] ? print_usage_bug+0xc0/0xc0 [ 187.585803] ? find_held_lock+0x3a/0x1d0 [ 187.585806] ? print_usage_bug+0xc0/0xc0 [ 187.585809] ? lock_downgrade+0x8e0/0x8e0 [ 187.585811] ? lock_acquire+0x1e5/0x540 [ 187.585814] ? ___ratelimit+0x137/0x637 [ 187.585817] ? lock_release+0xe90/0xe90 [ 187.585821] ? mark_held_locks+0xc8/0x130 [ 187.585823] ? do_raw_spin_trylock+0x190/0x190 [ 187.585826] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 187.585828] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 187.585831] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 187.585834] ? ___ratelimit+0x2cf/0x637 [ 187.585837] ? idr_get_free_cmn+0x1530/0x1530 [ 187.585839] ? find_held_lock+0x3a/0x1d0 [ 187.585843] oom_kill_process.cold.26+0xb/0xede [ 187.585845] ? copy_trace+0x140/0x140 [ 187.585846] ? lock_downgrade+0x8e0/0x8e0 [ 187.585850] ? refcount_dec_and_test+0x11/0x20 [ 187.585853] ? apparmor_capable+0x35e/0x560 [ 187.585855] ? oom_evaluate_task+0x450/0x450 [ 187.585857] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.585859] ? debug_smp_processor_id+0x17/0x20 [ 187.585861] ? rcu_is_watching+0x61/0x170 [ 187.585863] ? __lock_is_held+0xb8/0x140 [ 187.585866] ? find_held_lock+0x3a/0x1d0 [ 187.585869] ? copy_trace+0x140/0x140 [ 187.585872] ? lock_downgrade+0x8e0/0x8e0 [ 187.585874] ? lock_acquire+0x1e5/0x540 [ 187.585876] ? oom_unkillable_task+0xfd/0x460 [ 187.585880] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.585883] ? find_held_lock+0x3a/0x1d0 [ 187.585888] ? lock_downgrade+0x8e0/0x8e0 [ 187.585890] ? oom_reaper+0x3a0/0x3a0 [ 187.585892] ? copy_trace+0x140/0x140 [ 187.585895] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.585897] ? debug_smp_processor_id+0x17/0x20 [ 187.585899] ? rcu_is_watching+0x61/0x170 [ 187.585901] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.585904] ? oom_evaluate_task+0x44/0x450 [ 187.585907] out_of_memory+0x71e/0x10d0 [ 187.585912] ? oom_killer_disable+0x2b0/0x2b0 [ 187.585914] ? __alloc_pages_slowpath+0xf61/0x2e60 [ 187.585916] ? __lock_is_held+0xb8/0x140 [ 187.585918] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 187.585923] __alloc_pages_slowpath+0x23ba/0x2e60 [ 187.585933] ? warn_alloc+0x110/0x110 [ 187.585937] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.585939] ? debug_smp_processor_id+0x17/0x20 [ 187.585942] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.585944] ? rcu_read_lock_sched_held+0x108/0x120 [ 187.585949] ? print_usage_bug+0xc0/0xc0 [ 187.585950] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.585954] ? copy_trace+0x140/0x140 [ 187.585956] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 187.585964] ? __lock_is_held+0xb8/0x140 [ 187.585969] ? lock_release+0xe90/0xe90 [ 187.585972] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.585974] ? debug_smp_processor_id+0x17/0x20 [ 187.585976] ? rcu_is_watching+0x61/0x170 [ 187.585981] ? __might_sleep+0x95/0x190 [ 187.585984] __alloc_pages_nodemask+0xa68/0xdc0 [ 187.585988] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.585991] ? find_get_pages_contig+0x12b0/0x12b0 [ 187.585993] ? read_cache_pages+0x940/0x940 [ 187.585996] ? copy_trace+0x140/0x140 [ 187.585998] ? copy_trace+0x140/0x140 [ 187.586000] ? debug_check_no_locks_freed+0x310/0x310 [ 187.586003] ? find_held_lock+0x3a/0x1d0 [ 187.586008] ? lock_downgrade+0x8e0/0x8e0 [ 187.586012] alloc_pages_current+0xd6/0x1b0 [ 187.586016] __page_cache_alloc+0x291/0x4a0 [ 187.586018] ? debug_smp_processor_id+0x17/0x20 [ 187.586020] ? rcu_is_watching+0x61/0x170 [ 187.586023] ? trace_event_raw_event_file_check_and_advance_wb_err+0x4a0/0x4a0 [ 187.586024] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.586029] filemap_fault+0xf60/0x1c90 [ 187.586031] ? filemap_map_pages+0x1c6/0x16b0 [ 187.586037] ? __lock_page_or_retry+0x440/0x440 [ 187.586039] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.586041] ? lock_acquire+0x1e5/0x540 [ 187.586043] ? free_object+0x6e/0x230 [ 187.586049] ? do_raw_spin_unlock+0x1ec/0x2d0 [ 187.586054] ? find_get_pages_range_tag+0xfd0/0xfd0 [ 187.586058] ? copy_trace+0x140/0x140 [ 187.586062] ? lock_downgrade+0x8e0/0x8e0 [ 187.586064] ? lock_acquire+0x1e5/0x540 [ 187.586066] ? remove_wait_queue+0x72/0x350 [ 187.586070] ? __lock_is_held+0xb8/0x140 [ 187.586073] ? lock_acquire+0x1e5/0x540 [ 187.586075] ? ext4_filemap_fault+0x78/0xa8 [ 187.586079] ? lock_release+0xe90/0xe90 [ 187.586081] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.586083] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 187.586086] ? print_usage_bug+0xc0/0xc0 [ 187.586089] ? __might_sleep+0x95/0x190 [ 187.586092] ? down_read+0x91/0x150 [ 187.586093] ? ext4_filemap_fault+0x78/0xa8 [ 187.586095] ? __down_interruptible+0x6e0/0x6e0 [ 187.586098] ? poll_freewait+0xdd/0x220 [ 187.586102] ext4_filemap_fault+0x80/0xa8 [ 187.586105] __do_fault+0xde/0x3c0 [ 187.586108] ? print_bad_pte+0x740/0x740 [ 187.586110] ? __lock_acquire+0x6c7/0x44f0 [ 187.586113] ? add_mm_counter_fast+0xc0/0xc0 [ 187.586117] handle_pte_fault+0x1897/0x3c90 [ 187.586120] ? debug_check_no_locks_freed+0x310/0x310 [ 187.586121] ? debug_check_no_locks_freed+0x310/0x310 [ 187.586124] ? finish_fault+0x2a0/0x2a0 [ 187.586128] ? debug_check_no_locks_freed+0x310/0x310 [ 187.586132] ? copy_trace+0x140/0x140 [ 187.586135] ? copy_trace+0x140/0x140 [ 187.586139] ? SyS_newstat+0x9/0x10 [ 187.586141] ? entry_SYSCALL_64_fastpath+0x23/0x9a [ 187.586145] ? copy_trace+0x140/0x140 [ 187.586147] ? copy_trace+0x140/0x140 [ 187.586149] ? find_held_lock+0x3a/0x1d0 [ 187.586151] ? find_held_lock+0x3a/0x1d0 [ 187.586154] ? add_mm_counter_fast+0xc0/0xc0 [ 187.586159] __handle_mm_fault+0xa41/0x21e0 [ 187.586160] ? __lock_is_held+0xb8/0x140 [ 187.586162] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.586165] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 187.586174] handle_mm_fault+0x2c3/0x810 [ 187.586176] ? __do_page_fault+0x289/0xb60 [ 187.586178] ? __handle_mm_fault+0x21e0/0x21e0 [ 187.586182] ? find_vma+0x1a/0x150 [ 187.586185] __do_page_fault+0x477/0xb60 [ 187.586186] ? _copy_to_user+0x91/0xb0 [ 187.586190] ? vmalloc_fault+0xbd0/0xbd0 [ 187.586196] do_page_fault+0xd9/0x6a8 [ 187.586198] ? vmalloc_sync_all+0x20/0x20 [ 187.586201] ? kasan_check_write+0x14/0x20 [ 187.586204] ? SyS_select+0x18c/0x220 [ 187.586208] ? entry_SYSCALL_64_fastpath+0x4f/0x9a [ 187.586214] do_async_page_fault+0x27/0x100 [ 187.586216] async_page_fault+0x22/0x30 [ 187.586218] RIP: 0033:0x7f52ad453dd3 [ 187.586219] RSP: 002b:00007fffb8e8e1f8 EFLAGS: 00010246 [ 187.586222] RAX: 0000000000000000 RBX: 00007fffb8e8e3a0 RCX: 00007f52ad453dd3 [ 187.586223] RDX: 0000000000000000 RSI: 00007fffb8e8e550 RDI: 000000000000000b [ 187.586224] RBP: 00007fffb8e8e550 R08: 00007fffb8e8e5d0 R09: 0000000000000001 [ 187.586225] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 187.586226] R13: 00007fffb8e8e930 R14: 0000000000000000 R15: 0000000000000000 [ 187.586232] Mem-Info: [ 187.586237] active_anon:803 inactive_anon:199 isolated_anon:0 [ 187.586237] active_file:15 inactive_file:10 isolated_file:0 [ 187.586237] unevictable:0 dirty:0 writeback:0 unstable:0 [ 187.586237] slab_reclaimable:8489 slab_unreclaimable:39446 [ 187.586237] mapped:2 shmem:241 pagetables:282 bounce:0 [ 187.586237] free:8976 free_pcp:332 free_cma:0 [ 187.586240] Node 0 active_anon:484kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.586242] Node 1 active_anon:2728kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.586243] Node 0 DMA free:2572kB min:660kB low:824kB high:988kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 187.586247] lowmem_reserve[]: 0 561 561 561 [ 187.586253] Node 0 DMA32 free:11892kB min:23956kB low:29944kB high:35932kB active_anon:484kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:0kB present:1032192kB managed:577928kB mlocked:0kB kernel_stack:4832kB pagetables:184kB bounce:0kB free_pcp:336kB local_pcp:216kB free_cma:0kB [ 187.586257] lowmem_reserve[]: 0 0 0 0 [ 187.586262] Node 1 DMA32 free:21440kB min:42964kB low:53704kB high:64444kB active_anon:2728kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB writepending:0kB present:1048448kB managed:1031688kB mlocked:0kB kernel_stack:1696kB pagetables:944kB bounce:0kB free_pcp:992kB local_pcp:620kB free_cma:0kB [ 187.586265] lowmem_reserve[]: 0 0 0 0 [ 187.586270] Node 0 DMA: 3*4kB (UM) 2*8kB (M) 3*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 1*512kB (E) 1*1024kB (M) 0*2048kB 0*4096kB = 2572kB [ 187.586292] Node 0 DMA32: 339*4kB (UME) 185*8kB (ME) 92*16kB (UME) 57*32kB (ME) 36*64kB (UM) 13*128kB (UM) 7*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 11892kB [ 187.586311] Node 1 DMA32: 388*4kB (ME) 208*8kB (ME) 163*16kB (ME) 101*32kB (ME) 64*64kB (M) 29*128kB (M) 8*256kB (M) 3*512kB (UM) 1*1024kB (U) 0*2048kB 0*4096kB = 21472kB [ 187.586333] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.586334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.586335] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.586337] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.586338] 266 total pagecache pages [ 187.586342] 0 pages in swap cache [ 187.586343] Swap cache stats: add 0, delete 0, find 0/0 [ 187.586344] Free swap = 0kB [ 187.586345] Total swap = 0kB [ 187.586346] 524158 pages RAM [ 187.586347] 0 pages HighMem/MovableOnly [ 187.586348] 117777 pages reserved [ 187.586349] 0 pages cma reserved [ 187.586351] Unreclaimable slab info: [ 187.586352] Name Used Total [ 187.586356] pid_2 1KB 8KB [ 187.586373] bio-3 0KB 7KB [ 187.586382] batadv_tt_change_cache 2KB 7KB [ 187.586385] batadv_tl_cache 2KB 8KB [ 187.586393] TIPC 6KB 15KB [ 187.586399] SCTPv6 33KB 37KB [ 187.586405] DCCPv6 2KB 7KB [ 187.586408] DCCP 2KB 7KB [ 187.586424] bridge_fdb_cache 5KB 15KB [ 187.586429] fib6_nodes 56KB 120KB [ 187.586431] ip6_dst_cache 382KB 878KB [ 187.586434] RAWv6 75KB 94KB [ 187.586437] UDPv6 5KB 10KB [ 187.586440] TCPv6 2KB 5KB [ 187.586464] scsi_sense_cache 88KB 156KB [ 187.586466] sd_ext_cdb 0KB 7KB [ 187.586468] virtio_scsi_cmd 16KB 16KB [ 187.586472] sgpool-128 15KB 15KB [ 187.586475] sgpool-64 13KB 31KB [ 187.586476] sgpool-32 104KB 178KB [ 187.586478] sgpool-16 83KB 150KB [ 187.586480] sgpool-8 201KB 240KB [ 187.586484] cfq_io_cq 13KB 23KB [ 187.586485] cfq_queue 25KB 38KB [ 187.586488] mqueue_inode_cache 7KB 23KB [ 187.586511] bio-2 14KB 15KB [ 187.586513] jfs_mp 7KB 7KB [ 187.586525] nfs_commit_data 3KB 7KB [ 187.586527] nfs_write_data 34KB 44KB [ 187.586542] ext4_system_zone 0KB 7KB [ 187.586552] bio-1 1KB 7KB [ 187.586555] pid_namespace 1KB 7KB [ 187.586558] rpc_buffers 17KB 25KB [ 187.586560] rpc_tasks 2KB 7KB [ 187.586562] UNIX 120KB 146KB [ 187.586567] tcp_bind_bucket 0KB 8KB [ 187.586571] ip_fib_trie 9KB 19KB [ 187.586573] ip_fib_alias 40KB 83KB [ 187.586575] ip_dst_cache 6KB 7KB [ 187.586577] RAW 40KB 60KB [ 187.586579] UDP 24KB 32KB [ 187.586582] request_sock_TCP 1KB 3KB [ 187.586584] TCP 8KB 10KB [ 187.586587] hugetlbfs_inode_cache 2KB 7KB [ 187.586589] fscache_cookie_jar 0KB 7KB [ 187.586591] eventpoll_pwq 23KB 27KB [ 187.586593] eventpoll_epi 44KB 51KB [ 187.586595] inotify_inode_mark 6KB 11KB [ 187.586598] request_queue 160KB 166KB [ 187.586600] blkdev_requests 14KB 14KB [ 187.586602] blkdev_ioc 22KB 30KB [ 187.586604] bio-0 300KB 303KB [ 187.586606] biovec-(1<<(21-12)) 1394KB 1394KB [ 187.586609] biovec-64 87KB 173KB [ 187.586611] biovec-16 33KB 63KB [ 187.586613] bio_integrity_payload 1KB 8KB [ 187.586615] khugepaged_mm_slot 1KB 7KB [ 187.586620] uid_cache 3KB 7KB [ 187.586622] dmaengine-unmap-256 2KB 6KB [ 187.586624] dmaengine-unmap-128 1KB 3KB [ 187.586626] dmaengine-unmap-16 0KB 4KB [ 187.586628] dmaengine-unmap-2 0KB 3KB [ 187.586631] skbuff_fclone_cache 25KB 33KB [ 187.586633] skbuff_head_cache 920KB 1008KB [ 187.586635] configfs_dir_cache 0KB 8KB [ 187.586637] file_lock_cache 56KB 71KB [ 187.586639] file_lock_ctx 0KB 7KB [ 187.586641] fsnotify_mark_connector 3KB 7KB [ 187.586643] net_namespace 40KB 56KB [ 187.586645] shmem_inode_cache 4923KB 4943KB [ 187.586647] task_delay_info 81KB 263KB [ 187.586649] taskstats 7KB 7KB [ 187.586651] sigqueue 48KB 66KB [ 187.586653] kernfs_node_cache 9680KB 9894KB [ 187.586655] mnt_cache 54KB 88KB [ 187.586657] filp 2125KB 3918KB [ 187.586659] names_cache 16218KB 16218KB [ 187.586661] iint_cache 18KB 31KB [ 187.586663] key_jar 3KB 7KB [ 187.586665] nsproxy 0KB 7KB [ 187.586667] vm_area_struct 2622KB 3499KB [ 187.586669] mm_struct 543KB 862KB [ 187.586671] fs_cache 50KB 152KB [ 187.586673] files_cache 194KB 352KB [ 187.586675] signal_cache 718KB 984KB [ 187.586677] sighand_cache 700KB 1054KB [ 187.586679] task_struct 3308KB 3341KB [ 187.586681] cred_jar 317KB 764KB [ 187.586683] anon_vma_chain 1481KB 2012KB [ 187.586685] anon_vma 253KB 879KB [ 187.586687] pid 59KB 204KB [ 187.586689] Acpi-Operand 37KB 99KB [ 187.586693] Acpi-Namespace 16KB 23KB [ 187.586696] numa_policy 0KB 3KB [ 187.586698] debug_objects_cache 843KB 2092KB [ 187.586700] trace_event_file 242KB 243KB [ 187.586702] ftrace_event_field 348KB 354KB [ 187.586704] pool_workqueue 92KB 104KB [ 187.586706] task_group 4KB 7KB [ 187.586708] page->ptl 403KB 1015KB [ 187.586724] kmalloc-2097152 2050KB 2050KB [ 187.586727] kmalloc-524288 1028KB 1028KB [ 187.586729] kmalloc-262144 258KB 258KB [ 187.586731] kmalloc-131072 260KB 260KB [ 187.586732] kmalloc-65536 1254KB 1386KB [ 187.586734] kmalloc-32768 1089KB 1254KB [ 187.586736] kmalloc-16384 528KB 561KB [ 187.586738] kmalloc-8192 4545KB 4611KB [ 187.586740] kmalloc-4096 12235KB 12278KB [ 187.586742] kmalloc-2048 7418KB 8395KB [ 187.586744] kmalloc-1024 3967KB 5292KB [ 187.586746] kmalloc-512 2621KB 4057KB [ 187.586748] kmalloc-256 3011KB 3847KB [ 187.586750] kmalloc-128 606KB 838KB [ 187.586751] kmalloc-96 991KB 1584KB [ 187.586753] kmalloc-64 1303KB 1668KB [ 187.586755] kmalloc-32 1216KB 1433KB [ 187.586757] kmalloc-192 1042KB 1284KB [ 187.586759] kmem_cache 195KB 202KB [ 187.586761] Out of memory: Kill process 6272 (getty) score 0 or sacrifice child [ 187.586774] Killed process 6272 (getty) total-vm:14776kB, anon-rss:160kB, file-rss:4kB, shmem-rss:0kB [ 187.626098] syz-executor713 invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 187.626100] syz-executor713 cpuset=/ mems_allowed=0-1 [ 187.626106] CPU: 0 PID: 7277 Comm: syz-executor713 Not tainted 4.15.0-rc1+ #1 [ 187.626107] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 187.626108] Call Trace: [ 187.626112] dump_stack+0x145/0x1e1 [ 187.626115] ? arch_local_irq_restore+0x43/0x43 [ 187.626120] dump_header+0x279/0xdc0 [ 187.626123] ? __lock_acquire+0x6c7/0x44f0 [ 187.626128] ? oom_reaper.cold.25+0x28/0x28 [ 187.626131] ? debug_check_no_locks_freed+0x310/0x310 [ 187.626134] ? copy_trace+0x140/0x140 [ 187.626137] ? __lock_acquire+0x6c7/0x44f0 [ 187.626141] ? copy_trace+0x140/0x140 [ 187.626143] ? print_usage_bug+0xc0/0xc0 [ 187.626146] ? find_held_lock+0x3a/0x1d0 [ 187.626149] ? print_usage_bug+0xc0/0xc0 [ 187.626153] ? lock_downgrade+0x8e0/0x8e0 [ 187.626155] ? lock_acquire+0x1e5/0x540 [ 187.626157] ? ___ratelimit+0x137/0x637 [ 187.626161] ? lock_release+0xe90/0xe90 [ 187.626164] ? mark_held_locks+0xc8/0x130 [ 187.626166] ? do_raw_spin_trylock+0x190/0x190 [ 187.626169] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 187.626172] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 187.626174] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 187.626177] ? ___ratelimit+0x2cf/0x637 [ 187.626180] ? idr_get_free_cmn+0x1530/0x1530 [ 187.626182] ? find_held_lock+0x3a/0x1d0 [ 187.626186] oom_kill_process.cold.26+0xb/0xede [ 187.626188] ? copy_trace+0x140/0x140 [ 187.626189] ? lock_downgrade+0x8e0/0x8e0 [ 187.626193] ? refcount_dec_and_test+0x11/0x20 [ 187.626196] ? apparmor_capable+0x35e/0x560 [ 187.626198] ? oom_evaluate_task+0x450/0x450 [ 187.626200] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.626202] ? debug_smp_processor_id+0x17/0x20 [ 187.626205] ? rcu_is_watching+0x61/0x170 [ 187.626206] ? __lock_is_held+0xb8/0x140 [ 187.626209] ? find_held_lock+0x3a/0x1d0 [ 187.626212] ? copy_trace+0x140/0x140 [ 187.626215] ? lock_downgrade+0x8e0/0x8e0 [ 187.626217] ? lock_acquire+0x1e5/0x540 [ 187.626219] ? oom_unkillable_task+0xfd/0x460 [ 187.626223] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.626226] ? find_held_lock+0x3a/0x1d0 [ 187.626231] ? lock_downgrade+0x8e0/0x8e0 [ 187.626234] ? oom_reaper+0x3a0/0x3a0 [ 187.626235] ? copy_trace+0x140/0x140 [ 187.626238] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.626241] ? debug_smp_processor_id+0x17/0x20 [ 187.626242] ? rcu_is_watching+0x61/0x170 [ 187.626245] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.626247] ? oom_evaluate_task+0x44/0x450 [ 187.626251] out_of_memory+0x71e/0x10d0 [ 187.626255] ? oom_killer_disable+0x2b0/0x2b0 [ 187.626257] ? __alloc_pages_slowpath+0xf61/0x2e60 [ 187.626259] ? __lock_is_held+0xb8/0x140 [ 187.626261] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 187.626266] __alloc_pages_slowpath+0x23ba/0x2e60 [ 187.626276] ? warn_alloc+0x110/0x110 [ 187.626280] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.626282] ? debug_smp_processor_id+0x17/0x20 [ 187.626285] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.626287] ? rcu_read_lock_sched_held+0x108/0x120 [ 187.626291] ? print_usage_bug+0xc0/0xc0 [ 187.626293] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.626296] ? print_usage_bug+0xc0/0xc0 [ 187.626298] ? copy_trace+0x140/0x140 [ 187.626301] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 187.626303] ? __lock_acquire+0x6c7/0x44f0 [ 187.626310] ? __lock_is_held+0xb8/0x140 [ 187.626315] ? lock_release+0xe90/0xe90 [ 187.626318] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.626319] ? debug_smp_processor_id+0x17/0x20 [ 187.626321] ? rcu_is_watching+0x61/0x170 [ 187.626326] ? __might_sleep+0x95/0x190 [ 187.626329] __alloc_pages_nodemask+0xa68/0xdc0 [ 187.626333] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.626336] ? find_get_pages_contig+0x12b0/0x12b0 [ 187.626338] ? read_cache_pages+0x940/0x940 [ 187.626340] ? copy_trace+0x140/0x140 [ 187.626343] ? copy_trace+0x140/0x140 [ 187.626344] ? copy_trace+0x140/0x140 [ 187.626346] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.626349] ? find_held_lock+0x3a/0x1d0 [ 187.626354] ? lock_downgrade+0x8e0/0x8e0 [ 187.626358] alloc_pages_current+0xd6/0x1b0 [ 187.626361] __page_cache_alloc+0x291/0x4a0 [ 187.626364] ? debug_smp_processor_id+0x17/0x20 [ 187.626366] ? rcu_is_watching+0x61/0x170 [ 187.626368] ? trace_event_raw_event_file_check_and_advance_wb_err+0x4a0/0x4a0 [ 187.626370] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.626375] filemap_fault+0xf60/0x1c90 [ 187.626377] ? filemap_map_pages+0x1c6/0x16b0 [ 187.626383] ? __lock_page_or_retry+0x440/0x440 [ 187.626385] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.626395] ? find_get_pages_range_tag+0xfd0/0xfd0 [ 187.626399] ? copy_trace+0x140/0x140 [ 187.626401] ? copy_trace+0x140/0x140 [ 187.626409] ? __lock_is_held+0xb8/0x140 [ 187.626411] ? lock_acquire+0x1e5/0x540 [ 187.626413] ? ext4_filemap_fault+0x78/0xa8 [ 187.626417] ? lock_release+0xe90/0xe90 [ 187.626419] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.626421] ? copy_trace+0x140/0x140 [ 187.626425] ? __might_sleep+0x95/0x190 [ 187.626428] ? down_read+0x91/0x150 [ 187.626429] ? ext4_filemap_fault+0x78/0xa8 [ 187.626431] ? __down_interruptible+0x6e0/0x6e0 [ 187.626434] ? lock_downgrade+0x8e0/0x8e0 [ 187.626438] ext4_filemap_fault+0x80/0xa8 [ 187.626440] __do_fault+0xde/0x3c0 [ 187.626443] ? print_bad_pte+0x740/0x740 [ 187.626445] ? __lock_acquire+0x6c7/0x44f0 [ 187.626448] ? add_mm_counter_fast+0xc0/0xc0 [ 187.626452] handle_pte_fault+0x1897/0x3c90 [ 187.626455] ? debug_check_no_locks_freed+0x310/0x310 [ 187.626456] ? debug_check_no_locks_freed+0x310/0x310 [ 187.626458] ? debug_check_no_locks_freed+0x310/0x310 [ 187.626461] ? finish_fault+0x2a0/0x2a0 [ 187.626463] ? finish_task_switch+0x1f9/0x7f0 [ 187.626464] ? finish_task_switch+0x1d0/0x7f0 [ 187.626469] ? debug_check_no_locks_freed+0x310/0x310 [ 187.626473] ? __schedule+0x829/0x1fa0 [ 187.626475] ? copy_trace+0x140/0x140 [ 187.626477] ? copy_trace+0x140/0x140 [ 187.626480] ? pci_mmcfg_check_reserved+0x120/0x120 [ 187.626482] ? timerqueue_add+0x12b/0x2c0 [ 187.626485] ? copy_trace+0x140/0x140 [ 187.626486] ? copy_trace+0x140/0x140 [ 187.626488] ? copy_trace+0x140/0x140 [ 187.626490] ? hrtimer_forward+0x1b0/0x1b0 [ 187.626493] ? find_held_lock+0x3a/0x1d0 [ 187.626496] ? add_mm_counter_fast+0xc0/0xc0 [ 187.626500] __handle_mm_fault+0xa41/0x21e0 [ 187.626502] ? __lock_is_held+0xb8/0x140 [ 187.626504] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.626507] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 187.626515] handle_mm_fault+0x2c3/0x810 [ 187.626517] ? __do_page_fault+0x289/0xb60 [ 187.626520] ? __handle_mm_fault+0x21e0/0x21e0 [ 187.626523] ? find_vma+0x1a/0x150 [ 187.626527] __do_page_fault+0x477/0xb60 [ 187.626531] ? vmalloc_fault+0xbd0/0xbd0 [ 187.626534] ? memset+0x31/0x40 [ 187.626538] do_page_fault+0xd9/0x6a8 [ 187.626540] ? vmalloc_sync_all+0x20/0x20 [ 187.626542] ? nanosleep_copyout+0xd0/0xd0 [ 187.626545] ? enqueue_hrtimer+0x480/0x480 [ 187.626550] ? lockdep_sys_exit+0x43/0x60 [ 187.626552] ? retint_user+0x18/0x18 [ 187.626557] do_async_page_fault+0x27/0x100 [ 187.626560] async_page_fault+0x22/0x30 [ 187.626562] RIP: 0033:0x40104c [ 187.626563] RSP: 002b:00007fff77e73310 EFLAGS: 00010202 [ 187.626565] RAX: 0000000000000000 RBX: 000000000002d311 RCX: 0000000000438600 [ 187.626566] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff77e732f0 [ 187.626567] RBP: 0000000000001c70 R08: 000000000221f880 R09: 0000000000000003 [ 187.626569] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 187.626570] R13: 00007fff77e73328 R14: 00007fff77e73330 R15: 0000000000000000 [ 187.626576] Mem-Info: [ 187.626580] active_anon:769 inactive_anon:199 isolated_anon:0 [ 187.626580] active_file:15 inactive_file:10 isolated_file:0 [ 187.626580] unevictable:0 dirty:0 writeback:0 unstable:0 [ 187.626580] slab_reclaimable:8489 slab_unreclaimable:39446 [ 187.626580] mapped:2 shmem:241 pagetables:257 bounce:0 [ 187.626580] free:8976 free_pcp:393 free_cma:0 [ 187.626583] Node 0 active_anon:484kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.626586] Node 1 active_anon:2592kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.626587] Node 0 DMA free:2572kB min:660kB low:824kB high:988kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 187.626591] lowmem_reserve[]: 0 561 561 561 [ 187.626596] Node 0 DMA32 free:11892kB min:23956kB low:29944kB high:35932kB active_anon:484kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:0kB present:1032192kB managed:577928kB mlocked:0kB kernel_stack:4832kB pagetables:184kB bounce:0kB free_pcp:336kB local_pcp:216kB free_cma:0kB [ 187.626600] lowmem_reserve[]: 0 0 0 0 [ 187.626605] Node 1 DMA32 free:21440kB min:42964kB low:53704kB high:64444kB active_anon:2592kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB writepending:0kB present:1048448kB managed:1031688kB mlocked:0kB kernel_stack:1696kB pagetables:844kB bounce:0kB free_pcp:1236kB local_pcp:620kB free_cma:0kB [ 187.626609] lowmem_reserve[]: 0 0 0 0 [ 187.626614] Node 0 DMA: 3*4kB (UM) 2*8kB (M) 3*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 1*512kB (E) 1*1024kB (M) 0*2048kB 0*4096kB = 2572kB [ 187.626635] Node 0 DMA32: 339*4kB (UME) 185*8kB (ME) 92*16kB (UME) 57*32kB (ME) 36*64kB (UM) 13*128kB (UM) 7*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 11892kB [ 187.626655] Node 1 DMA32: 388*4kB (ME) 208*8kB (ME) 163*16kB (ME) 101*32kB (ME) 64*64kB (M) 29*128kB (M) 8*256kB (M) 3*512kB (UM) 1*1024kB (U) 0*2048kB 0*4096kB = 21472kB [ 187.626677] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.626678] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.626679] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.626681] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.626682] 266 total pagecache pages [ 187.626686] 0 pages in swap cache [ 187.626687] Swap cache stats: add 0, delete 0, find 0/0 [ 187.626688] Free swap = 0kB [ 187.626689] Total swap = 0kB [ 187.626691] 524158 pages RAM [ 187.626692] 0 pages HighMem/MovableOnly [ 187.626693] 117777 pages reserved [ 187.626694] 0 pages cma reserved [ 187.626695] Unreclaimable slab info: [ 187.626696] Name Used Total [ 187.626700] pid_2 1KB 8KB [ 187.626717] bio-3 0KB 7KB [ 187.626726] batadv_tt_change_cache 2KB 7KB [ 187.626730] batadv_tl_cache 2KB 8KB [ 187.626738] TIPC 6KB 15KB [ 187.626744] SCTPv6 33KB 37KB [ 187.626750] DCCPv6 2KB 7KB [ 187.626753] DCCP 2KB 7KB [ 187.626769] bridge_fdb_cache 5KB 15KB [ 187.626774] fib6_nodes 56KB 120KB [ 187.626776] ip6_dst_cache 382KB 878KB [ 187.626779] RAWv6 75KB 94KB [ 187.626782] UDPv6 5KB 10KB [ 187.626785] TCPv6 2KB 5KB [ 187.626810] scsi_sense_cache 88KB 156KB [ 187.626811] sd_ext_cdb 0KB 7KB [ 187.626813] virtio_scsi_cmd 16KB 16KB [ 187.626818] sgpool-128 15KB 15KB [ 187.626820] sgpool-64 13KB 31KB [ 187.626822] sgpool-32 104KB 178KB [ 187.626824] sgpool-16 83KB 150KB [ 187.626826] sgpool-8 201KB 240KB [ 187.626830] cfq_io_cq 13KB 23KB [ 187.626832] cfq_queue 25KB 38KB [ 187.626835] mqueue_inode_cache 7KB 23KB [ 187.626857] bio-2 14KB 15KB [ 187.626859] jfs_mp 7KB 7KB [ 187.626871] nfs_commit_data 3KB 7KB [ 187.626873] nfs_write_data 34KB 44KB [ 187.626888] ext4_system_zone 0KB 7KB [ 187.626898] bio-1 1KB 7KB [ 187.626901] pid_namespace 1KB 7KB [ 187.626904] rpc_buffers 17KB 25KB [ 187.626906] rpc_tasks 2KB 7KB [ 187.626908] UNIX 120KB 146KB [ 187.626912] tcp_bind_bucket 0KB 8KB [ 187.626916] ip_fib_trie 9KB 19KB [ 187.626918] ip_fib_alias 40KB 83KB [ 187.626920] ip_dst_cache 6KB 7KB [ 187.626923] RAW 40KB 60KB [ 187.626925] UDP 24KB 32KB [ 187.626927] request_sock_TCP 1KB 3KB [ 187.626929] TCP 8KB 10KB [ 187.626932] hugetlbfs_inode_cache 2KB 7KB [ 187.626934] fscache_cookie_jar 0KB 7KB [ 187.626936] eventpoll_pwq 23KB 27KB [ 187.626938] eventpoll_epi 44KB 51KB [ 187.626941] inotify_inode_mark 6KB 11KB [ 187.626943] request_queue 160KB 166KB [ 187.626945] blkdev_requests 14KB 14KB [ 187.626947] blkdev_ioc 22KB 30KB [ 187.626949] bio-0 300KB 303KB [ 187.626951] biovec-(1<<(21-12)) 1394KB 1394KB [ 187.626954] biovec-64 87KB 173KB [ 187.626956] biovec-16 33KB 63KB [ 187.626958] bio_integrity_payload 1KB 8KB [ 187.626960] khugepaged_mm_slot 1KB 7KB [ 187.626965] uid_cache 3KB 7KB [ 187.626967] dmaengine-unmap-256 2KB 6KB [ 187.626969] dmaengine-unmap-128 1KB 3KB [ 187.626971] dmaengine-unmap-16 0KB 4KB [ 187.626973] dmaengine-unmap-2 0KB 3KB [ 187.626976] skbuff_fclone_cache 25KB 33KB [ 187.626979] skbuff_head_cache 920KB 1008KB [ 187.626981] configfs_dir_cache 0KB 8KB [ 187.626983] file_lock_cache 56KB 71KB [ 187.626985] file_lock_ctx 0KB 7KB [ 187.626987] fsnotify_mark_connector 3KB 7KB [ 187.626989] net_namespace 40KB 56KB [ 187.626991] shmem_inode_cache 4923KB 4943KB [ 187.626993] task_delay_info 81KB 263KB [ 187.626995] taskstats 7KB 7KB [ 187.626997] sigqueue 48KB 66KB [ 187.626999] kernfs_node_cache 9680KB 9894KB [ 187.627001] mnt_cache 54KB 88KB [ 187.627003] filp 2125KB 3918KB [ 187.627005] names_cache 16218KB 16218KB [ 187.627007] iint_cache 18KB 31KB [ 187.627009] key_jar 3KB 7KB [ 187.627011] nsproxy 0KB 7KB [ 187.627013] vm_area_struct 2622KB 3499KB [ 187.627015] mm_struct 543KB 862KB [ 187.627017] fs_cache 50KB 152KB [ 187.627019] files_cache 194KB 352KB [ 187.627021] signal_cache 718KB 984KB [ 187.627023] sighand_cache 700KB 1054KB [ 187.627025] task_struct 3308KB 3341KB [ 187.627027] cred_jar 317KB 764KB [ 187.627029] anon_vma_chain 1481KB 2012KB [ 187.627031] anon_vma 253KB 879KB [ 187.627033] pid 59KB 204KB [ 187.627035] Acpi-Operand 37KB 99KB [ 187.627039] Acpi-Namespace 16KB 23KB [ 187.627042] numa_policy 0KB 3KB [ 187.627044] debug_objects_cache 843KB 2092KB [ 187.627046] trace_event_file 242KB 243KB [ 187.627049] ftrace_event_field 348KB 354KB [ 187.627051] pool_workqueue 92KB 104KB [ 187.627053] task_group 4KB 7KB [ 187.627054] page->ptl 403KB 1015KB [ 187.627071] kmalloc-2097152 2050KB 2050KB [ 187.627073] kmalloc-524288 1028KB 1028KB [ 187.627075] kmalloc-262144 258KB 258KB [ 187.627077] kmalloc-131072 260KB 260KB [ 187.627079] kmalloc-65536 1254KB 1386KB [ 187.627081] kmalloc-32768 1089KB 1254KB [ 187.627083] kmalloc-16384 528KB 561KB [ 187.627085] kmalloc-8192 4545KB 4611KB [ 187.627087] kmalloc-4096 12235KB 12278KB [ 187.627089] kmalloc-2048 7418KB 8395KB [ 187.627090] kmalloc-1024 3967KB 5292KB [ 187.627092] kmalloc-512 2621KB 4057KB [ 187.627094] kmalloc-256 3011KB 3847KB [ 187.627096] kmalloc-128 606KB 838KB [ 187.627098] kmalloc-96 991KB 1584KB [ 187.627100] kmalloc-64 1303KB 1668KB [ 187.627102] kmalloc-32 1216KB 1433KB [ 187.627104] kmalloc-192 1042KB 1284KB [ 187.627105] kmem_cache 195KB 202KB [ 187.627107] Out of memory: Kill process 6270 (getty) score 0 or sacrifice child [ 187.627121] Killed process 6270 (getty) total-vm:14776kB, anon-rss:156kB, file-rss:4kB, shmem-rss:0kB [ 187.667047] syz-executor713 invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 187.667049] syz-executor713 cpuset=/ mems_allowed=0-1 [ 187.667055] CPU: 0 PID: 7277 Comm: syz-executor713 Not tainted 4.15.0-rc1+ #1 [ 187.667056] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 187.667057] Call Trace: [ 187.667061] dump_stack+0x145/0x1e1 [ 187.667063] ? arch_local_irq_restore+0x43/0x43 [ 187.667069] dump_header+0x279/0xdc0 [ 187.667071] ? __lock_acquire+0x6c7/0x44f0 [ 187.667076] ? oom_reaper.cold.25+0x28/0x28 [ 187.667080] ? debug_check_no_locks_freed+0x310/0x310 [ 187.667082] ? copy_trace+0x140/0x140 [ 187.667086] ? __lock_acquire+0x6c7/0x44f0 [ 187.667090] ? copy_trace+0x140/0x140 [ 187.667091] ? print_usage_bug+0xc0/0xc0 [ 187.667095] ? find_held_lock+0x3a/0x1d0 [ 187.667098] ? print_usage_bug+0xc0/0xc0 [ 187.667101] ? lock_downgrade+0x8e0/0x8e0 [ 187.667103] ? lock_acquire+0x1e5/0x540 [ 187.667105] ? ___ratelimit+0x137/0x637 [ 187.667109] ? lock_release+0xe90/0xe90 [ 187.667112] ? mark_held_locks+0xc8/0x130 [ 187.667114] ? do_raw_spin_trylock+0x190/0x190 [ 187.667117] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 187.667119] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 187.667122] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 187.667125] ? ___ratelimit+0x2cf/0x637 [ 187.667128] ? idr_get_free_cmn+0x1530/0x1530 [ 187.667130] ? find_held_lock+0x3a/0x1d0 [ 187.667134] oom_kill_process.cold.26+0xb/0xede [ 187.667136] ? copy_trace+0x140/0x140 [ 187.667138] ? lock_downgrade+0x8e0/0x8e0 [ 187.667141] ? refcount_dec_and_test+0x11/0x20 [ 187.667144] ? apparmor_capable+0x35e/0x560 [ 187.667146] ? oom_evaluate_task+0x450/0x450 [ 187.667148] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.667150] ? debug_smp_processor_id+0x17/0x20 [ 187.667152] ? rcu_is_watching+0x61/0x170 [ 187.667154] ? __lock_is_held+0xb8/0x140 [ 187.667157] ? find_held_lock+0x3a/0x1d0 [ 187.667160] ? copy_trace+0x140/0x140 [ 187.667163] ? lock_downgrade+0x8e0/0x8e0 [ 187.667165] ? lock_acquire+0x1e5/0x540 [ 187.667167] ? oom_unkillable_task+0xfd/0x460 [ 187.667171] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.667174] ? find_held_lock+0x3a/0x1d0 [ 187.667178] ? lock_downgrade+0x8e0/0x8e0 [ 187.667181] ? oom_reaper+0x3a0/0x3a0 [ 187.667183] ? copy_trace+0x140/0x140 [ 187.667186] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.667188] ? debug_smp_processor_id+0x17/0x20 [ 187.667190] ? rcu_is_watching+0x61/0x170 [ 187.667192] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.667195] ? oom_evaluate_task+0x44/0x450 [ 187.667198] out_of_memory+0x71e/0x10d0 [ 187.667202] ? oom_killer_disable+0x2b0/0x2b0 [ 187.667204] ? __alloc_pages_slowpath+0xf61/0x2e60 [ 187.667206] ? __lock_is_held+0xb8/0x140 [ 187.667208] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 187.667213] __alloc_pages_slowpath+0x23ba/0x2e60 [ 187.667223] ? warn_alloc+0x110/0x110 [ 187.667227] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.667229] ? debug_smp_processor_id+0x17/0x20 [ 187.667232] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.667234] ? rcu_read_lock_sched_held+0x108/0x120 [ 187.667238] ? print_usage_bug+0xc0/0xc0 [ 187.667240] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.667243] ? print_usage_bug+0xc0/0xc0 [ 187.667245] ? copy_trace+0x140/0x140 [ 187.667248] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 187.667250] ? __lock_acquire+0x6c7/0x44f0 [ 187.667256] ? __lock_is_held+0xb8/0x140 [ 187.667262] ? lock_release+0xe90/0xe90 [ 187.667264] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.667266] ? debug_smp_processor_id+0x17/0x20 [ 187.667268] ? rcu_is_watching+0x61/0x170 [ 187.667273] ? __might_sleep+0x95/0x190 [ 187.667276] __alloc_pages_nodemask+0xa68/0xdc0 [ 187.667280] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.667283] ? find_get_pages_contig+0x12b0/0x12b0 [ 187.667285] ? read_cache_pages+0x940/0x940 [ 187.667287] ? copy_trace+0x140/0x140 [ 187.667289] ? copy_trace+0x140/0x140 [ 187.667291] ? copy_trace+0x140/0x140 [ 187.667293] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.667296] ? find_held_lock+0x3a/0x1d0 [ 187.667301] ? lock_downgrade+0x8e0/0x8e0 [ 187.667305] alloc_pages_current+0xd6/0x1b0 [ 187.667308] __page_cache_alloc+0x291/0x4a0 [ 187.667311] ? debug_smp_processor_id+0x17/0x20 [ 187.667313] ? rcu_is_watching+0x61/0x170 [ 187.667315] ? trace_event_raw_event_file_check_and_advance_wb_err+0x4a0/0x4a0 [ 187.667317] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.667322] filemap_fault+0xf60/0x1c90 [ 187.667324] ? filemap_map_pages+0x1c6/0x16b0 [ 187.667329] ? __lock_page_or_retry+0x440/0x440 [ 187.667332] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.667341] ? find_get_pages_range_tag+0xfd0/0xfd0 [ 187.667345] ? copy_trace+0x140/0x140 [ 187.667347] ? copy_trace+0x140/0x140 [ 187.667354] ? __lock_is_held+0xb8/0x140 [ 187.667357] ? lock_acquire+0x1e5/0x540 [ 187.667359] ? ext4_filemap_fault+0x78/0xa8 [ 187.667363] ? lock_release+0xe90/0xe90 [ 187.667365] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.667367] ? copy_trace+0x140/0x140 [ 187.667371] ? __might_sleep+0x95/0x190 [ 187.667374] ? down_read+0x91/0x150 [ 187.667375] ? ext4_filemap_fault+0x78/0xa8 [ 187.667377] ? __down_interruptible+0x6e0/0x6e0 [ 187.667380] ? lock_downgrade+0x8e0/0x8e0 [ 187.667383] ext4_filemap_fault+0x80/0xa8 [ 187.667386] __do_fault+0xde/0x3c0 [ 187.667388] ? print_bad_pte+0x740/0x740 [ 187.667391] ? __lock_acquire+0x6c7/0x44f0 [ 187.667394] ? add_mm_counter_fast+0xc0/0xc0 [ 187.667398] handle_pte_fault+0x1897/0x3c90 [ 187.667401] ? debug_check_no_locks_freed+0x310/0x310 [ 187.667402] ? debug_check_no_locks_freed+0x310/0x310 [ 187.667404] ? debug_check_no_locks_freed+0x310/0x310 [ 187.667406] ? finish_fault+0x2a0/0x2a0 [ 187.667408] ? finish_task_switch+0x1f9/0x7f0 [ 187.667410] ? finish_task_switch+0x1d0/0x7f0 [ 187.667414] ? debug_check_no_locks_freed+0x310/0x310 [ 187.667418] ? __schedule+0x829/0x1fa0 [ 187.667420] ? copy_trace+0x140/0x140 [ 187.667422] ? copy_trace+0x140/0x140 [ 187.667426] ? pci_mmcfg_check_reserved+0x120/0x120 [ 187.667428] ? timerqueue_add+0x12b/0x2c0 [ 187.667430] ? copy_trace+0x140/0x140 [ 187.667432] ? copy_trace+0x140/0x140 [ 187.667433] ? copy_trace+0x140/0x140 [ 187.667435] ? hrtimer_forward+0x1b0/0x1b0 [ 187.667438] ? find_held_lock+0x3a/0x1d0 [ 187.667441] ? add_mm_counter_fast+0xc0/0xc0 [ 187.667445] __handle_mm_fault+0xa41/0x21e0 [ 187.667447] ? __lock_is_held+0xb8/0x140 [ 187.667448] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.667452] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 187.667460] handle_mm_fault+0x2c3/0x810 [ 187.667462] ? __do_page_fault+0x289/0xb60 [ 187.667464] ? __handle_mm_fault+0x21e0/0x21e0 [ 187.667468] ? find_vma+0x1a/0x150 [ 187.667471] __do_page_fault+0x477/0xb60 [ 187.667475] ? vmalloc_fault+0xbd0/0xbd0 [ 187.667478] ? memset+0x31/0x40 [ 187.667482] do_page_fault+0xd9/0x6a8 [ 187.667485] ? vmalloc_sync_all+0x20/0x20 [ 187.667486] ? nanosleep_copyout+0xd0/0xd0 [ 187.667489] ? enqueue_hrtimer+0x480/0x480 [ 187.667494] ? lockdep_sys_exit+0x43/0x60 [ 187.667496] ? retint_user+0x18/0x18 [ 187.667501] do_async_page_fault+0x27/0x100 [ 187.667504] async_page_fault+0x22/0x30 [ 187.667506] RIP: 0033:0x40104c [ 187.667507] RSP: 002b:00007fff77e73310 EFLAGS: 00010202 [ 187.667509] RAX: 0000000000000000 RBX: 000000000002d311 RCX: 0000000000438600 [ 187.667510] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff77e732f0 [ 187.667511] RBP: 0000000000001c70 R08: 000000000221f880 R09: 0000000000000003 [ 187.667512] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 187.667514] R13: 00007fff77e73328 R14: 00007fff77e73330 R15: 0000000000000000 [ 187.667520] Mem-Info: [ 187.667524] active_anon:735 inactive_anon:199 isolated_anon:0 [ 187.667524] active_file:15 inactive_file:10 isolated_file:0 [ 187.667524] unevictable:0 dirty:0 writeback:0 unstable:0 [ 187.667524] slab_reclaimable:8489 slab_unreclaimable:39446 [ 187.667524] mapped:2 shmem:241 pagetables:257 bounce:0 [ 187.667524] free:8979 free_pcp:360 free_cma:0 [ 187.667527] Node 0 active_anon:416kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.667530] Node 1 active_anon:2524kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.667531] Node 0 DMA free:2572kB min:660kB low:824kB high:988kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 187.667535] lowmem_reserve[]: 0 561 561 561 [ 187.667540] Node 0 DMA32 free:11892kB min:23956kB low:29944kB high:35932kB active_anon:416kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:0kB present:1032192kB managed:577928kB mlocked:0kB kernel_stack:4832kB pagetables:184kB bounce:0kB free_pcp:420kB local_pcp:300kB free_cma:0kB [ 187.667544] lowmem_reserve[]: 0 0 0 0 [ 187.667549] Node 1 DMA32 free:21452kB min:42964kB low:53704kB high:64444kB active_anon:2524kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB writepending:0kB present:1048448kB managed:1031688kB mlocked:0kB kernel_stack:1696kB pagetables:844kB bounce:0kB free_pcp:1020kB local_pcp:652kB free_cma:0kB [ 187.667553] lowmem_reserve[]: 0 0 0 0 [ 187.667558] Node 0 DMA: 3*4kB (UM) 2*8kB (M) 3*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 1*512kB (E) 1*1024kB (M) 0*2048kB 0*4096kB = 2572kB [ 187.667579] Node 0 DMA32: 339*4kB (UME) 185*8kB (ME) 92*16kB (UME) 57*32kB (ME) 36*64kB (UM) 13*128kB (UM) 7*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 11892kB [ 187.667599] Node 1 DMA32: 390*4kB (UME) 211*8kB (UME) 167*16kB (ME) 102*32kB (UME) 64*64kB (M) 30*128kB (UM) 9*256kB (UM) 2*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 21472kB [ 187.667621] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.667622] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.667624] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.667625] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.667626] 266 total pagecache pages [ 187.667630] 0 pages in swap cache [ 187.667631] Swap cache stats: add 0, delete 0, find 0/0 [ 187.667632] Free swap = 0kB [ 187.667633] Total swap = 0kB [ 187.667635] 524158 pages RAM [ 187.667636] 0 pages HighMem/MovableOnly [ 187.667637] 117777 pages reserved [ 187.667638] 0 pages cma reserved [ 187.667639] Unreclaimable slab info: [ 187.667640] Name Used Total [ 187.667644] pid_2 1KB 8KB [ 187.667662] bio-3 0KB 7KB [ 187.667671] batadv_tt_change_cache 2KB 7KB [ 187.667674] batadv_tl_cache 2KB 8KB [ 187.667682] TIPC 6KB 15KB [ 187.667689] SCTPv6 33KB 37KB [ 187.667694] DCCPv6 2KB 7KB [ 187.667697] DCCP 2KB 7KB [ 187.667714] bridge_fdb_cache 5KB 15KB [ 187.667718] fib6_nodes 56KB 120KB [ 187.667720] ip6_dst_cache 382KB 878KB [ 187.667723] RAWv6 75KB 94KB [ 187.667726] UDPv6 5KB 10KB [ 187.667729] TCPv6 2KB 5KB [ 187.667753] scsi_sense_cache 88KB 156KB [ 187.667755] sd_ext_cdb 0KB 7KB [ 187.667757] virtio_scsi_cmd 16KB 16KB [ 187.667762] sgpool-128 15KB 15KB [ 187.667764] sgpool-64 13KB 31KB [ 187.667766] sgpool-32 104KB 178KB [ 187.667767] sgpool-16 83KB 150KB [ 187.667769] sgpool-8 201KB 240KB [ 187.667773] cfq_io_cq 13KB 23KB [ 187.667775] cfq_queue 25KB 38KB [ 187.667778] mqueue_inode_cache 7KB 23KB [ 187.667800] bio-2 14KB 15KB [ 187.667802] jfs_mp 7KB 7KB [ 187.667815] nfs_commit_data 3KB 7KB [ 187.667817] nfs_write_data 34KB 44KB [ 187.667831] ext4_system_zone 0KB 7KB [ 187.667841] bio-1 1KB 7KB [ 187.667844] pid_namespace 1KB 7KB [ 187.667847] rpc_buffers 17KB 25KB [ 187.667849] rpc_tasks 2KB 7KB [ 187.667851] UNIX 120KB 146KB [ 187.667855] tcp_bind_bucket 0KB 8KB [ 187.667859] ip_fib_trie 9KB 19KB [ 187.667861] ip_fib_alias 40KB 83KB [ 187.667863] ip_dst_cache 6KB 7KB [ 187.667866] RAW 40KB 60KB [ 187.667868] UDP 24KB 32KB [ 187.667870] request_sock_TCP 1KB 3KB [ 187.667872] TCP 8KB 10KB [ 187.667875] hugetlbfs_inode_cache 2KB 7KB [ 187.667877] fscache_cookie_jar 0KB 7KB [ 187.667879] eventpoll_pwq 23KB 27KB [ 187.667881] eventpoll_epi 44KB 51KB [ 187.667883] inotify_inode_mark 6KB 11KB [ 187.667886] request_queue 160KB 166KB [ 187.667888] blkdev_requests 14KB 14KB [ 187.667890] blkdev_ioc 22KB 30KB [ 187.667892] bio-0 300KB 303KB [ 187.667894] biovec-(1<<(21-12)) 1394KB 1394KB [ 187.667897] biovec-64 87KB 173KB [ 187.667899] biovec-16 33KB 63KB [ 187.667901] bio_integrity_payload 1KB 8KB [ 187.667903] khugepaged_mm_slot 1KB 7KB [ 187.667908] uid_cache 3KB 7KB [ 187.667910] dmaengine-unmap-256 2KB 6KB [ 187.667912] dmaengine-unmap-128 1KB 3KB [ 187.667914] dmaengine-unmap-16 0KB 4KB [ 187.667916] dmaengine-unmap-2 0KB 3KB [ 187.667919] skbuff_fclone_cache 25KB 33KB [ 187.667921] skbuff_head_cache 920KB 1008KB [ 187.667923] configfs_dir_cache 0KB 8KB [ 187.667925] file_lock_cache 56KB 71KB [ 187.667927] file_lock_ctx 0KB 7KB [ 187.667929] fsnotify_mark_connector 3KB 7KB [ 187.667931] net_namespace 40KB 56KB [ 187.667933] shmem_inode_cache 4923KB 4943KB [ 187.667935] task_delay_info 81KB 263KB [ 187.667937] taskstats 7KB 7KB [ 187.667939] sigqueue 48KB 66KB [ 187.667941] kernfs_node_cache 9680KB 9894KB [ 187.667943] mnt_cache 54KB 88KB [ 187.667945] filp 2125KB 3918KB [ 187.667947] names_cache 16218KB 16218KB [ 187.667949] iint_cache 18KB 31KB [ 187.667950] key_jar 3KB 7KB [ 187.667953] nsproxy 0KB 7KB [ 187.667955] vm_area_struct 2622KB 3499KB [ 187.667956] mm_struct 543KB 862KB [ 187.667958] fs_cache 50KB 152KB [ 187.667960] files_cache 194KB 352KB [ 187.667962] signal_cache 718KB 984KB [ 187.667964] sighand_cache 700KB 1054KB [ 187.667966] task_struct 3308KB 3341KB [ 187.667968] cred_jar 317KB 764KB [ 187.667970] anon_vma_chain 1481KB 2012KB [ 187.667972] anon_vma 253KB 879KB [ 187.667974] pid 59KB 204KB [ 187.667976] Acpi-Operand 37KB 99KB [ 187.667980] Acpi-Namespace 16KB 23KB [ 187.667983] numa_policy 0KB 3KB [ 187.667985] debug_objects_cache 843KB 2092KB [ 187.667987] trace_event_file 242KB 243KB [ 187.667989] ftrace_event_field 348KB 354KB [ 187.667991] pool_workqueue 92KB 104KB [ 187.667993] task_group 4KB 7KB [ 187.667995] page->ptl 403KB 1015KB [ 187.668011] kmalloc-2097152 2050KB 2050KB [ 187.668014] kmalloc-524288 1028KB 1028KB [ 187.668016] kmalloc-262144 258KB 258KB [ 187.668018] kmalloc-131072 260KB 260KB [ 187.668020] kmalloc-65536 1254KB 1386KB [ 187.668021] kmalloc-32768 1089KB 1254KB [ 187.668023] kmalloc-16384 528KB 561KB [ 187.668025] kmalloc-8192 4545KB 4611KB [ 187.668027] kmalloc-4096 12235KB 12278KB [ 187.668029] kmalloc-2048 7418KB 8395KB [ 187.668031] kmalloc-1024 3967KB 5292KB [ 187.668033] kmalloc-512 2621KB 4057KB [ 187.668035] kmalloc-256 3011KB 3847KB [ 187.668037] kmalloc-128 606KB 838KB [ 187.668039] kmalloc-96 991KB 1584KB [ 187.668040] kmalloc-64 1303KB 1668KB [ 187.668042] kmalloc-32 1216KB 1433KB [ 187.668044] kmalloc-192 1042KB 1284KB [ 187.668046] kmem_cache 195KB 202KB [ 187.668048] Out of memory: Kill process 6274 (getty) score 0 or sacrifice child [ 187.668062] Killed process 6274 (getty) total-vm:14776kB, anon-rss:160kB, file-rss:4kB, shmem-rss:0kB [ 187.736689] syz-executor713 invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 187.736692] syz-executor713 cpuset=/ mems_allowed=0-1 [ 187.736700] CPU: 1 PID: 7276 Comm: syz-executor713 Not tainted 4.15.0-rc1+ #1 [ 187.736702] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 187.736703] Call Trace: [ 187.736710] dump_stack+0x145/0x1e1 [ 187.736713] ? arch_local_irq_restore+0x43/0x43 [ 187.736720] dump_header+0x279/0xdc0 [ 187.736724] ? __lock_acquire+0x6c7/0x44f0 [ 187.736729] ? oom_reaper.cold.25+0x28/0x28 [ 187.736733] ? debug_check_no_locks_freed+0x310/0x310 [ 187.736735] ? copy_trace+0x140/0x140 [ 187.736739] ? __lock_acquire+0x6c7/0x44f0 [ 187.736743] ? copy_trace+0x140/0x140 [ 187.736745] ? print_usage_bug+0xc0/0xc0 [ 187.736748] ? find_held_lock+0x3a/0x1d0 [ 187.736751] ? print_usage_bug+0xc0/0xc0 [ 187.736755] ? lock_downgrade+0x8e0/0x8e0 [ 187.736757] ? lock_acquire+0x1e5/0x540 [ 187.736760] ? ___ratelimit+0x137/0x637 [ 187.736763] ? lock_release+0xe90/0xe90 [ 187.736766] ? mark_held_locks+0xc8/0x130 [ 187.736768] ? do_raw_spin_trylock+0x190/0x190 [ 187.736773] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 187.736775] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 187.736778] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 187.736781] ? ___ratelimit+0x2cf/0x637 [ 187.736784] ? idr_get_free_cmn+0x1530/0x1530 [ 187.736786] ? find_held_lock+0x3a/0x1d0 [ 187.736790] oom_kill_process.cold.26+0xb/0xede [ 187.736792] ? copy_trace+0x140/0x140 [ 187.736794] ? lock_downgrade+0x8e0/0x8e0 [ 187.736799] ? refcount_dec_and_test+0x11/0x20 [ 187.736803] ? apparmor_capable+0x35e/0x560 [ 187.736806] ? oom_evaluate_task+0x450/0x450 [ 187.736808] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.736811] ? debug_smp_processor_id+0x17/0x20 [ 187.736813] ? rcu_is_watching+0x61/0x170 [ 187.736815] ? __lock_is_held+0xb8/0x140 [ 187.736818] ? find_held_lock+0x3a/0x1d0 [ 187.736821] ? copy_trace+0x140/0x140 [ 187.736824] ? lock_downgrade+0x8e0/0x8e0 [ 187.736826] ? lock_acquire+0x1e5/0x540 [ 187.736828] ? oom_unkillable_task+0xfd/0x460 [ 187.736832] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.736835] ? find_held_lock+0x3a/0x1d0 [ 187.736844] ? lock_downgrade+0x8e0/0x8e0 [ 187.736847] ? oom_reaper+0x3a0/0x3a0 [ 187.736849] ? copy_trace+0x140/0x140 [ 187.736852] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.736854] ? debug_smp_processor_id+0x17/0x20 [ 187.736856] ? rcu_is_watching+0x61/0x170 [ 187.736858] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.736861] ? oom_evaluate_task+0x44/0x450 [ 187.736864] out_of_memory+0x71e/0x10d0 [ 187.736868] ? oom_killer_disable+0x2b0/0x2b0 [ 187.736871] ? __alloc_pages_slowpath+0xf61/0x2e60 [ 187.736873] ? __lock_is_held+0xb8/0x140 [ 187.736875] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 187.736880] __alloc_pages_slowpath+0x23ba/0x2e60 [ 187.736891] ? warn_alloc+0x110/0x110 [ 187.736894] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 187.736896] ? debug_smp_processor_id+0x17/0x20 [ 187.736899] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.736902] ? rcu_read_lock_sched_held+0x108/0x120 [ 187.736906] ? print_usage_bug+0xc0/0xc0 [ 187.736908] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.736911] ? print_usage_bug+0xc0/0xc0 [ 187.736912] ? copy_trace+0x140/0x140 [ 187.736916] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 187.736918] ? __lock_acquire+0x6c7/0x44f0 [ 187.736925] ? __lock_is_held+0xb8/0x140 [ 187.736930] ? lock_release+0xe90/0xe90 [ 187.736934] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.736936] ? debug_smp_processor_id+0x17/0x20 [ 187.736938] ? rcu_is_watching+0x61/0x170 [ 187.736943] ? __might_sleep+0x95/0x190 [ 187.736946] __alloc_pages_nodemask+0xa68/0xdc0 [ 187.736950] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 187.736954] ? find_get_pages_contig+0x12b0/0x12b0 [ 187.736956] ? read_cache_pages+0x940/0x940 [ 187.736958] ? copy_trace+0x140/0x140 [ 187.736961] ? copy_trace+0x140/0x140 [ 187.736962] ? copy_trace+0x140/0x140 [ 187.736966] ? find_held_lock+0x3a/0x1d0 [ 187.736971] ? lock_downgrade+0x8e0/0x8e0 [ 187.736977] alloc_pages_current+0xd6/0x1b0 [ 187.736980] __page_cache_alloc+0x291/0x4a0 [ 187.736983] ? debug_smp_processor_id+0x17/0x20 [ 187.736985] ? rcu_is_watching+0x61/0x170 [ 187.736987] ? trace_event_raw_event_file_check_and_advance_wb_err+0x4a0/0x4a0 [ 187.736989] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.736994] filemap_fault+0xf60/0x1c90 [ 187.736996] ? filemap_map_pages+0x1c6/0x16b0 [ 187.737002] ? __lock_page_or_retry+0x440/0x440 [ 187.737004] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.737014] ? find_get_pages_range_tag+0xfd0/0xfd0 [ 187.737018] ? copy_trace+0x140/0x140 [ 187.737020] ? copy_trace+0x140/0x140 [ 187.737028] ? __lock_is_held+0xb8/0x140 [ 187.737031] ? lock_acquire+0x1e5/0x540 [ 187.737033] ? ext4_filemap_fault+0x78/0xa8 [ 187.737037] ? lock_release+0xe90/0xe90 [ 187.737039] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 187.737042] ? set_next_entity+0x2fa/0xd50 [ 187.737047] ? __might_sleep+0x95/0x190 [ 187.737049] ? down_read+0x91/0x150 [ 187.737051] ? ext4_filemap_fault+0x78/0xa8 [ 187.737053] ? __down_interruptible+0x6e0/0x6e0 [ 187.737055] ? lock_downgrade+0x8e0/0x8e0 [ 187.737059] ext4_filemap_fault+0x80/0xa8 [ 187.737063] __do_fault+0xde/0x3c0 [ 187.737066] ? print_bad_pte+0x740/0x740 [ 187.737068] ? __lock_acquire+0x6c7/0x44f0 [ 187.737071] ? add_mm_counter_fast+0xc0/0xc0 [ 187.737076] handle_pte_fault+0x1897/0x3c90 [ 187.737079] ? debug_check_no_locks_freed+0x310/0x310 [ 187.737080] ? debug_check_no_locks_freed+0x310/0x310 [ 187.737082] ? debug_check_no_locks_freed+0x310/0x310 [ 187.737084] ? finish_fault+0x2a0/0x2a0 [ 187.737086] ? finish_task_switch+0x1f9/0x7f0 [ 187.737088] ? finish_task_switch+0x1d0/0x7f0 [ 187.737092] ? debug_check_no_locks_freed+0x310/0x310 [ 187.737097] ? __schedule+0x829/0x1fa0 [ 187.737099] ? copy_trace+0x140/0x140 [ 187.737101] ? copy_trace+0x140/0x140 [ 187.737105] ? pci_mmcfg_check_reserved+0x120/0x120 [ 187.737107] ? timerqueue_add+0x12b/0x2c0 [ 187.737109] ? copy_trace+0x140/0x140 [ 187.737111] ? copy_trace+0x140/0x140 [ 187.737112] ? copy_trace+0x140/0x140 [ 187.737115] ? hrtimer_forward+0x1b0/0x1b0 [ 187.737118] ? find_held_lock+0x3a/0x1d0 [ 187.737120] ? add_mm_counter_fast+0xc0/0xc0 [ 187.737125] __handle_mm_fault+0xa41/0x21e0 [ 187.737126] ? __lock_is_held+0xb8/0x140 [ 187.737128] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 187.737132] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 187.737139] handle_mm_fault+0x2c3/0x810 [ 187.737142] ? __do_page_fault+0x289/0xb60 [ 187.737145] ? __handle_mm_fault+0x21e0/0x21e0 [ 187.737148] ? find_vma+0x1a/0x150 [ 187.737151] __do_page_fault+0x477/0xb60 [ 187.737156] ? vmalloc_fault+0xbd0/0xbd0 [ 187.737159] ? memset+0x31/0x40 [ 187.737163] do_page_fault+0xd9/0x6a8 [ 187.737166] ? vmalloc_sync_all+0x20/0x20 [ 187.737167] ? nanosleep_copyout+0xd0/0xd0 [ 187.737170] ? enqueue_hrtimer+0x480/0x480 [ 187.737175] ? lockdep_sys_exit+0x43/0x60 [ 187.737177] ? retint_user+0x18/0x18 [ 187.737183] do_async_page_fault+0x27/0x100 [ 187.737186] async_page_fault+0x22/0x30 [ 187.737188] RIP: 0033:0x40104c [ 187.737190] RSP: 002b:00007fff77e73310 EFLAGS: 00010202 [ 187.737192] RAX: 0000000000000000 RBX: 000000000002d313 RCX: 0000000000438600 [ 187.737193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff77e732f0 [ 187.737194] RBP: 0000000000001c77 R08: 000000000221f880 R09: 0000000000000003 [ 187.737195] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 187.737197] R13: 00007fff77e73328 R14: 00007fff77e73330 R15: 0000000000000000 [ 187.737203] Mem-Info: [ 187.737207] active_anon:701 inactive_anon:199 isolated_anon:0 [ 187.737207] active_file:32 inactive_file:0 isolated_file:0 [ 187.737207] unevictable:0 dirty:0 writeback:0 unstable:0 [ 187.737207] slab_reclaimable:8489 slab_unreclaimable:39446 [ 187.737207] mapped:2 shmem:241 pagetables:232 bounce:0 [ 187.737207] free:8973 free_pcp:358 free_cma:0 [ 187.737211] Node 0 active_anon:416kB inactive_anon:484kB active_file:104kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.737214] Node 1 active_anon:2388kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.737215] Node 0 DMA free:2572kB min:660kB low:824kB high:988kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 187.737219] lowmem_reserve[]: 0 561 561 561 [ 187.737224] Node 0 DMA32 free:11892kB min:23956kB low:29944kB high:35932kB active_anon:416kB inactive_anon:484kB active_file:104kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:577928kB mlocked:0kB kernel_stack:4832kB pagetables:184kB bounce:0kB free_pcp:444kB local_pcp:120kB free_cma:0kB [ 187.737229] lowmem_reserve[]: 0 0 0 0 [ 187.737233] Node 1 DMA32 free:21428kB min:42964kB low:53704kB high:64444kB active_anon:2388kB inactive_anon:312kB active_file:24kB inactive_file:8kB unevictable:0kB writepending:0kB present:1048448kB managed:1031688kB mlocked:0kB kernel_stack:1696kB pagetables:744kB bounce:0kB free_pcp:988kB local_pcp:368kB free_cma:0kB [ 187.737237] lowmem_reserve[]: 0 0 0 0 [ 187.737242] Node 0 DMA: 3*4kB (UM) 2*8kB (M) 3*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 1*512kB (E) 1*1024kB (M) 0*2048kB 0*4096kB = 2572kB [ 187.737264] Node 0 DMA32: 339*4kB (UME) 185*8kB (ME) 92*16kB (UME) 57*32kB (ME) 36*64kB (UM) 13*128kB (UM) 7*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 11892kB [ 187.737288] Node 1 DMA32: 390*4kB (ME) 215*8kB (ME) 169*16kB (ME) 104*32kB (UME) 64*64kB (M) 29*128kB (M) 9*256kB (UM) 2*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 21472kB [ 187.737317] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.737318] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.737320] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.737321] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.737322] 266 total pagecache pages [ 187.737327] 0 pages in swap cache [ 187.737328] Swap cache stats: add 0, delete 0, find 0/0 [ 187.737329] Free swap = 0kB [ 187.737330] Total swap = 0kB [ 187.737331] 524158 pages RAM [ 187.737332] 0 pages HighMem/MovableOnly [ 187.737333] 117777 pages reserved [ 187.737334] 0 pages cma reserved [ 187.737336] Unreclaimable slab info: [ 187.737338] Name Used Total [ 187.737348] pid_2 1KB 8KB [ 187.737375] bio-3 0KB 7KB [ 187.737388] batadv_tt_change_cache 2KB 7KB [ 187.737393] batadv_tl_cache 2KB 8KB [ 187.737405] TIPC 6KB 15KB [ 187.737414] SCTPv6 33KB 37KB [ 187.737423] DCCPv6 2KB 7KB [ 187.737427] DCCP 2KB 7KB [ 187.737452] bridge_fdb_cache 5KB 15KB [ 187.737459] fib6_nodes 56KB 120KB [ 187.737461] ip6_dst_cache 382KB 878KB [ 187.737466] RAWv6 75KB 94KB [ 187.737470] UDPv6 5KB 10KB [ 187.737475] TCPv6 2KB 5KB [ 187.737512] scsi_sense_cache 88KB 156KB [ 187.737515] sd_ext_cdb 0KB 7KB [ 187.737517] virtio_scsi_cmd 16KB 16KB [ 187.737524] sgpool-128 15KB 15KB [ 187.737526] sgpool-64 13KB 31KB [ 187.737529] sgpool-32 104KB 178KB [ 187.737532] sgpool-16 83KB 150KB [ 187.737534] sgpool-8 201KB 240KB [ 187.737539] cfq_io_cq 13KB 23KB [ 187.737541] cfq_queue 25KB 38KB [ 187.737545] mqueue_inode_cache 7KB 23KB [ 187.737580] bio-2 14KB 15KB [ 187.737583] jfs_mp 7KB 7KB [ 187.737601] nfs_commit_data 3KB 7KB [ 187.737603] nfs_write_data 34KB 44KB [ 187.737625] ext4_system_zone 0KB 7KB [ 187.737640] bio-1 1KB 7KB [ 187.737644] pid_namespace 1KB 7KB [ 187.737648] rpc_buffers 17KB 25KB [ 187.737650] rpc_tasks 2KB 7KB [ 187.737653] UNIX 120KB 146KB [ 187.737659] tcp_bind_bucket 0KB 8KB [ 187.737665] ip_fib_trie 9KB 19KB [ 187.737667] ip_fib_alias 40KB 83KB [ 187.737670] ip_dst_cache 6KB 7KB [ 187.737674] RAW 40KB 60KB [ 187.737676] UDP 24KB 32KB [ 187.737680] request_sock_TCP 1KB 3KB [ 187.737682] TCP 8KB 10KB [ 187.737686] hugetlbfs_inode_cache 2KB 7KB [ 187.737689] fscache_cookie_jar 0KB 7KB [ 187.737691] eventpoll_pwq 23KB 27KB [ 187.737694] eventpoll_epi 44KB 51KB [ 187.737696] inotify_inode_mark 6KB 11KB [ 187.737700] request_queue 160KB 166KB [ 187.737703] blkdev_requests 14KB 14KB [ 187.737705] blkdev_ioc 22KB 30KB [ 187.737708] bio-0 300KB 303KB [ 187.737710] biovec-(1<<(21-12)) 1394KB 1394KB [ 187.737714] biovec-64 87KB 173KB [ 187.737717] biovec-16 33KB 63KB [ 187.737719] bio_integrity_payload 1KB 8KB [ 187.737722] khugepaged_mm_slot 1KB 7KB [ 187.737729] uid_cache 3KB 7KB [ 187.737732] dmaengine-unmap-256 2KB 6KB [ 187.737734] dmaengine-unmap-128 1KB 3KB [ 187.737737] dmaengine-unmap-16 0KB 4KB [ 187.737739] dmaengine-unmap-2 0KB 3KB [ 187.737744] skbuff_fclone_cache 25KB 33KB [ 187.737746] skbuff_head_cache 920KB 1008KB [ 187.737749] configfs_dir_cache 0KB 8KB [ 187.737752] file_lock_cache 56KB 71KB [ 187.737754] file_lock_ctx 0KB 7KB [ 187.737757] fsnotify_mark_connector 3KB 7KB [ 187.737759] net_namespace 40KB 56KB [ 187.737762] shmem_inode_cache 4923KB 4943KB [ 187.737765] task_delay_info 81KB 263KB [ 187.737767] taskstats 7KB 7KB [ 187.737770] sigqueue 48KB 66KB [ 187.737772] kernfs_node_cache 9680KB 9894KB [ 187.737775] mnt_cache 54KB 88KB [ 187.737777] filp 2125KB 3918KB [ 187.737780] names_cache 16218KB 16218KB [ 187.737782] iint_cache 18KB 31KB [ 187.737785] key_jar 3KB 7KB [ 187.737788] nsproxy 0KB 7KB [ 187.737790] vm_area_struct 2622KB 3499KB [ 187.737793] mm_struct 543KB 862KB [ 187.737795] fs_cache 50KB 152KB [ 187.737797] files_cache 194KB 352KB [ 187.737799] signal_cache 718KB 984KB [ 187.737802] sighand_cache 700KB 1054KB [ 187.737804] task_struct 3308KB 3341KB [ 187.737807] cred_jar 317KB 764KB [ 187.737810] anon_vma_chain 1481KB 2012KB [ 187.737812] anon_vma 253KB 879KB [ 187.737814] pid 59KB 204KB [ 187.737817] Acpi-Operand 37KB 99KB [ 187.737823] Acpi-Namespace 16KB 23KB [ 187.737827] numa_policy 0KB 3KB [ 187.737829] debug_objects_cache 843KB 2092KB [ 187.737832] trace_event_file 242KB 243KB [ 187.737834] ftrace_event_field 348KB 354KB [ 187.737837] pool_workqueue 92KB 104KB [ 187.737840] task_group 4KB 7KB [ 187.737842] page->ptl 403KB 1015KB [ 187.737863] kmalloc-2097152 2050KB 2050KB [ 187.737865] kmalloc-524288 1028KB 1028KB [ 187.737867] kmalloc-262144 258KB 258KB [ 187.737870] kmalloc-131072 260KB 260KB [ 187.737872] kmalloc-65536 1254KB 1386KB [ 187.737874] kmalloc-32768 1089KB 1254KB [ 187.737877] kmalloc-16384 528KB 561KB [ 187.737879] kmalloc-8192 4545KB 4611KB [ 187.737881] kmalloc-4096 12235KB 12278KB [ 187.737883] kmalloc-2048 7418KB 8395KB [ 187.737885] kmalloc-1024 3967KB 5292KB [ 187.737887] kmalloc-512 2621KB 4057KB [ 187.737889] kmalloc-256 3011KB 3847KB [ 187.737892] kmalloc-128 606KB 838KB [ 187.737894] kmalloc-96 991KB 1584KB [ 187.737896] kmalloc-64 1303KB 1668KB [ 187.737898] kmalloc-32 1216KB 1433KB [ 187.737900] kmalloc-192 1042KB 1284KB [ 187.737902] kmem_cache 195KB 202KB [ 187.737905] Out of memory: Kill process 7248 (getty) score 0 or sacrifice child [ 187.737923] Killed process 7248 (getty) total-vm:14776kB, anon-rss:156kB, file-rss:4kB, shmem-rss:0kB [ 187.760370] Out of memory: Kill process 6275 (getty) score 0 or sacrifice child [ 187.760383] Killed process 6275 (getty) total-vm:14776kB, anon-rss:148kB, file-rss:4kB, shmem-rss:0kB [ 187.806824] Out of memory: Kill process 6276 (getty) score 0 or sacrifice child [ 187.806835] Killed process 6276 (getty) total-vm:14596kB, anon-rss:152kB, file-rss:4kB, shmem-rss:0kB [ 187.835792] Out of memory: Kill process 7274 (syz-executor713) score 0 or sacrifice child [ 187.835802] Killed process 7274 (syz-executor713) total-vm:17488kB, anon-rss:52kB, file-rss:0kB, shmem-rss:0kB [ 187.860079] oom_reaper: reaped process 7274 (syz-executor713), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 187.866283] Out of memory: Kill process 7275 (syz-executor713) score 0 or sacrifice child [ 187.866295] Killed process 7275 (syz-executor713) total-vm:17488kB, anon-rss:52kB, file-rss:0kB, shmem-rss:0kB [ 187.890300] oom_reaper: reaped process 7275 (syz-executor713), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 187.909847] Out of memory: Kill process 7276 (syz-executor713) score 0 or sacrifice child [ 187.909864] Killed process 7276 (syz-executor713) total-vm:17488kB, anon-rss:52kB, file-rss:0kB, shmem-rss:0kB [ 187.920094] oom_reaper: reaped process 7276 (syz-executor713), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 187.928497] Out of memory: Kill process 7277 (syz-executor713) score 0 or sacrifice child [ 187.928507] Killed process 7277 (syz-executor713) total-vm:17488kB, anon-rss:52kB, file-rss:0kB, shmem-rss:0kB [ 188.000090] oom_reaper: reaped process 7277 (syz-executor713), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 188.007843] Out of memory: Kill process 7278 (syz-executor713) score 0 or sacrifice child [ 188.007852] Killed process 7278 (syz-executor713) total-vm:17488kB, anon-rss:52kB, file-rss:0kB, shmem-rss:0kB [ 188.059484] Out of memory: Kill process 7279 (syz-executor713) score 0 or sacrifice child [ 188.059494] Killed process 7279 (syz-executor713) total-vm:17488kB, anon-rss:52kB, file-rss:0kB, shmem-rss:0kB [ 188.059677] oom_reaper: reaped process 7279 (syz-executor713), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 188.086758] Out of memory: Kill process 7273 (syz-executor713) score 0 or sacrifice child [ 188.086774] Killed process 7273 (syz-executor713) total-vm:17488kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 188.104757] syz-executor713 invoked oom-killer: gfp_mask=0x14202c2(GFP_HIGHUSER|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 188.104761] syz-executor713 cpuset=/ mems_allowed=0-1 [ 188.104770] CPU: 1 PID: 7283 Comm: syz-executor713 Not tainted 4.15.0-rc1+ #1 [ 188.104771] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 188.104773] Call Trace: [ 188.104780] dump_stack+0x145/0x1e1 [ 188.104783] ? arch_local_irq_restore+0x43/0x43 [ 188.104787] ? find_lock_task_mm+0x1a7/0x410 [ 188.104790] ? copy_trace+0x140/0x140 [ 188.104795] dump_header+0x279/0xdc0 [ 188.104800] ? oom_reaper.cold.25+0x28/0x28 [ 188.104803] ? find_held_lock+0x3a/0x1d0 [ 188.104809] ? lock_downgrade+0x8e0/0x8e0 [ 188.104813] ? find_held_lock+0x3a/0x1d0 [ 188.104816] ? copy_trace+0x140/0x140 [ 188.104819] ? lock_downgrade+0x8e0/0x8e0 [ 188.104821] ? lock_acquire+0x1e5/0x540 [ 188.104823] ? oom_unkillable_task+0xfd/0x460 [ 188.104828] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 188.104832] ? find_held_lock+0x3a/0x1d0 [ 188.104837] ? lock_downgrade+0x8e0/0x8e0 [ 188.104853] ? oom_reaper+0x3a0/0x3a0 [ 188.104854] ? copy_trace+0x140/0x140 [ 188.104857] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 188.104863] ? debug_smp_processor_id+0x17/0x20 [ 188.104867] ? rcu_is_watching+0x61/0x170 [ 188.104869] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 188.104872] ? oom_evaluate_task+0x44/0x450 [ 188.104875] out_of_memory.cold.28+0x41/0x61 [ 188.104879] ? __alloc_pages_nodemask+0xa68/0xdc0 [ 188.104882] ? oom_killer_disable+0x2b0/0x2b0 [ 188.104885] ? __alloc_pages_slowpath+0xf61/0x2e60 [ 188.104887] ? __lock_is_held+0xb8/0x140 [ 188.104890] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 188.104895] __alloc_pages_slowpath+0x23ba/0x2e60 [ 188.104896] ? copy_trace+0x140/0x140 [ 188.104906] ? warn_alloc+0x110/0x110 [ 188.104908] ? print_usage_bug+0xc0/0xc0 [ 188.104912] ? lock_downgrade+0x8e0/0x8e0 [ 188.104914] ? lock_acquire+0x1e5/0x540 [ 188.104918] ? finish_task_switch+0x1d0/0x7f0 [ 188.104923] ? mark_held_locks+0xc8/0x130 [ 188.104926] ? do_raw_spin_trylock+0x190/0x190 [ 188.104929] ? _raw_spin_unlock_irq+0x27/0x80 [ 188.104932] ? copy_trace+0x140/0x140 [ 188.104938] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 188.104940] ? finish_task_switch+0x1f9/0x7f0 [ 188.104941] ? finish_task_switch+0x1d0/0x7f0 [ 188.104948] ? __lock_is_held+0xb8/0x140 [ 188.104954] ? lock_release+0xe90/0xe90 [ 188.104957] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 188.104959] ? __lock_is_held+0xb8/0x140 [ 188.104963] ? __might_sleep+0x95/0x190 [ 188.104967] __alloc_pages_nodemask+0xa68/0xdc0 [ 188.104969] ? copy_trace+0x140/0x140 [ 188.104972] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 188.104978] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 188.104982] ? retint_kernel+0x2d/0x2d [ 188.104986] ? __lock_is_held+0xb8/0x140 [ 188.104992] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 188.104998] alloc_pages_current+0xd6/0x1b0 [ 188.105004] __vmalloc_node_range+0x33d/0x630 [ 188.105010] __vmalloc_node_flags_caller+0x33/0x40 [ 188.105015] ? vmemdup_user+0x28/0x80 [ 188.105018] kvmalloc_node+0x5c/0x80 [ 188.105020] vmemdup_user+0x28/0x80 [ 188.105025] sctp_setsockopt_bindx+0x4d/0x230 [ 188.105028] ? __local_bh_enable_ip+0x160/0x240 [ 188.105032] sctp_setsockopt+0x1d3b/0x5c00 [ 188.105037] ? __mem_cgroup_threshold+0x910/0x910 [ 188.105040] ? sctp_setsockopt_paddr_thresholds+0x5c0/0x5c0 [ 188.105043] ? debug_check_no_locks_freed+0x310/0x310 [ 188.105045] ? find_held_lock+0x3a/0x1d0 [ 188.105050] ? lock_downgrade+0x8e0/0x8e0 [ 188.105053] ? pgtable_trans_huge_deposit+0x2f5/0x560 [ 188.105055] ? pudp_huge_clear_flush+0x200/0x200 [ 188.105058] ? lock_release+0xe90/0xe90 [ 188.105060] ? copy_trace+0x140/0x140 [ 188.105062] ? do_raw_spin_unlock+0x1ec/0x2d0 [ 188.105064] ? do_raw_spin_trylock+0x190/0x190 [ 188.105067] ? preempt_count_add+0x7d/0x160 [ 188.105071] ? clear_huge_page+0x12d/0x700 [ 188.105075] ? _raw_spin_unlock+0x2c/0x50 [ 188.105077] ? do_huge_pmd_anonymous_page+0x8ce/0x1560 [ 188.105080] ? find_held_lock+0x3a/0x1d0 [ 188.105085] ? lock_downgrade+0x8e0/0x8e0 [ 188.105087] ? lock_acquire+0x1e5/0x540 [ 188.105092] ? __fget+0xb5/0x580 [ 188.105096] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 188.105099] ? debug_smp_processor_id+0x17/0x20 [ 188.105100] ? rcu_is_watching+0x61/0x170 [ 188.105102] ? __lock_is_held+0xb8/0x140 [ 188.105104] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 188.105109] ? __fget+0x2fe/0x580 [ 188.105111] ? lock_downgrade+0x8e0/0x8e0 [ 188.105115] ? expand_files.part.8+0x850/0x850 [ 188.105120] ? handle_mm_fault+0x2c3/0x810 [ 188.105123] ? __do_page_fault+0x289/0xb60 [ 188.105129] ? __fget_light+0x2ab/0x400 [ 188.105131] ? __do_page_fault+0x4a3/0xb60 [ 188.105134] ? fget_raw+0x10/0x10 [ 188.105137] ? vmalloc_fault+0xbd0/0xbd0 [ 188.105140] ? alloc_file+0x16f/0x410 [ 188.105146] ? sock_alloc_file+0x1e7/0x510 [ 188.105149] ? do_page_fault+0xd9/0x6a8 [ 188.105153] sock_common_setsockopt+0x73/0xf0 [ 188.105157] SyS_setsockopt+0x167/0x320 [ 188.105160] ? SyS_recv+0x20/0x20 [ 188.105162] ? lockdep_sys_exit+0x43/0x60 [ 188.105164] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 188.105167] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 188.105169] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 188.105173] entry_SYSCALL_64_fastpath+0x23/0x9a [ 188.105176] RIP: 0033:0x439e79 [ 188.105177] RSP: 002b:00007f2acacc2db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 188.105180] RAX: ffffffffffffffda RBX: 00000000006c2c28 RCX: 0000000000439e79 [ 188.105181] RDX: 0000000000000064 RSI: 0000000000000084 RDI: 0000000000000003 [ 188.105183] RBP: 00000000006c2c20 R08: 000000004920a1cf R09: 0000000000000000 [ 188.105184] R10: 0000000020000040 R11: 0000000000000246 R12: 00000000006c2c2c [ 188.105185] R13: 00007fff77e7328f R14: 00007f2acacc3700 R15: 0000000000000000 [ 188.105192] Mem-Info: [ 188.105197] active_anon:493 inactive_anon:198 isolated_anon:0 [ 188.105197] active_file:15 inactive_file:10 isolated_file:0 [ 188.105197] unevictable:0 dirty:0 writeback:0 unstable:0 [ 188.105197] slab_reclaimable:8484 slab_unreclaimable:39414 [ 188.105197] mapped:1 shmem:240 pagetables:127 bounce:0 [ 188.105197] free:8749 free_pcp:135 free_cma:0 [ 188.105200] Node 0 active_anon:216kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 188.105203] Node 1 active_anon:1756kB inactive_anon:308kB active_file:24kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 188.105204] Node 0 DMA free:2572kB min:660kB low:824kB high:988kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 188.105209] lowmem_reserve[]: 0 561 561 561 [ 188.105214] Node 0 DMA32 free:11448kB min:23956kB low:29944kB high:35932kB active_anon:216kB inactive_anon:484kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:0kB present:1032192kB managed:577928kB mlocked:0kB kernel_stack:4800kB pagetables:112kB bounce:0kB free_pcp:272kB local_pcp:120kB free_cma:0kB [ 188.105218] lowmem_reserve[]: 0 0 0 0 [ 188.105223] Node 1 DMA32 free:20976kB min:42964kB low:53704kB high:64444kB active_anon:1756kB inactive_anon:308kB active_file:24kB inactive_file:8kB unevictable:0kB writepending:0kB present:1048448kB managed:1031688kB mlocked:0kB kernel_stack:1536kB pagetables:396kB bounce:0kB free_pcp:268kB local_pcp:208kB free_cma:0kB [ 188.105227] lowmem_reserve[]: 0 0 0 0 [ 188.105232] Node 0 DMA: 3*4kB (UM) 2*8kB (M) 3*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 1*512kB (E) 1*1024kB (M) 0*2048kB 0*4096kB = 2572kB [ 188.105253] Node 0 DMA32: 316*4kB (UME) 165*8kB (ME) 78*16kB (ME) 42*32kB (ME) 24*64kB (M) 9*128kB (UM) 4*256kB (UM) 3*512kB (UM) 1*1024kB (U) 0*2048kB 0*4096kB = 11448kB [ 188.105274] Node 1 DMA32: 290*4kB (UME) 175*8kB (ME) 147*16kB (ME) 92*32kB (UME) 58*64kB (UM) 28*128kB (UM) 9*256kB (UM) 3*512kB (M) 2*1024kB (UM) 0*2048kB 0*4096kB = 21040kB [ 188.105295] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 188.105296] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 188.105298] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 188.105299] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 188.105301] 265 total pagecache pages [ 188.105305] 0 pages in swap cache [ 188.105307] Swap cache stats: add 0, delete 0, find 0/0 [ 188.105308] Free swap = 0kB [ 188.105309] Total swap = 0kB [ 188.105310] 524158 pages RAM [ 188.105311] 0 pages HighMem/MovableOnly [ 188.105313] 117777 pages reserved [ 188.105314] 0 pages cma reserved [ 188.105315] Unreclaimable slab info: [ 188.105317] Name Used Total [ 188.105322] pid_2 1KB 8KB [ 188.105349] bio-3 0KB 7KB [ 188.105362] batadv_tt_change_cache 2KB 7KB [ 188.105366] batadv_tl_cache 2KB 8KB [ 188.105379] TIPC 6KB 15KB [ 188.105388] SCTPv6 30KB 37KB [ 188.105397] DCCPv6 2KB 7KB [ 188.105402] DCCP 2KB 7KB [ 188.105428] bridge_fdb_cache 5KB 15KB [ 188.105434] fib6_nodes 56KB 120KB [ 188.105436] ip6_dst_cache 382KB 878KB [ 188.105442] RAWv6 75KB 94KB [ 188.105446] UDPv6 5KB 10KB [ 188.105450] TCPv6 2KB 5KB [ 188.105489] scsi_sense_cache 88KB 156KB [ 188.105492] sd_ext_cdb 0KB 7KB [ 188.105494] virtio_scsi_cmd 16KB 16KB [ 188.105500] sgpool-128 15KB 15KB [ 188.105503] sgpool-64 13KB 31KB [ 188.105505] sgpool-32 97KB 178KB [ 188.105508] sgpool-16 82KB 150KB [ 188.105510] sgpool-8 201KB 240KB [ 188.105515] cfq_io_cq 13KB 23KB [ 188.105517] cfq_queue 25KB 38KB [ 188.105521] mqueue_inode_cache 7KB 23KB [ 188.105556] bio-2 14KB 15KB [ 188.105559] jfs_mp 7KB 7KB [ 188.105576] nfs_commit_data 3KB 7KB [ 188.105578] nfs_write_data 34KB 44KB [ 188.105601] ext4_system_zone 0KB 7KB [ 188.105616] bio-1 1KB 7KB [ 188.105620] pid_namespace 1KB 7KB [ 188.105624] rpc_buffers 17KB 25KB [ 188.105626] rpc_tasks 2KB 7KB [ 188.105629] UNIX 118KB 146KB [ 188.105635] tcp_bind_bucket 0KB 8KB [ 188.105641] ip_fib_trie 9KB 19KB [ 188.105643] ip_fib_alias 40KB 83KB [ 188.105645] ip_dst_cache 5KB 7KB [ 188.105649] RAW 40KB 60KB [ 188.105651] UDP 16KB 32KB [ 188.105653] tw_sock_TCP 3KB 3KB [ 188.105656] request_sock_TCP 1KB 3KB [ 188.105658] TCP 8KB 10KB [ 188.105662] hugetlbfs_inode_cache 2KB 7KB [ 188.105665] fscache_cookie_jar 0KB 7KB [ 188.105668] eventpoll_pwq 23KB 27KB [ 188.105670] eventpoll_epi 44KB 51KB [ 188.105673] inotify_inode_mark 6KB 11KB [ 188.105677] request_queue 160KB 166KB [ 188.105680] blkdev_requests 14KB 14KB [ 188.105682] blkdev_ioc 22KB 30KB [ 188.105684] bio-0 300KB 303KB [ 188.105687] biovec-(1<<(21-12)) 1377KB 1394KB [ 188.105691] biovec-64 86KB 173KB [ 188.105693] biovec-16 32KB 63KB [ 188.105696] bio_integrity_payload 1KB 8KB [ 188.105699] khugepaged_mm_slot 1KB 7KB [ 188.105706] uid_cache 2KB 7KB [ 188.105708] dmaengine-unmap-256 2KB 6KB [ 188.105711] dmaengine-unmap-128 1KB 3KB [ 188.105713] dmaengine-unmap-16 0KB 4KB [ 188.105716] dmaengine-unmap-2 0KB 3KB [ 188.105720] skbuff_fclone_cache 25KB 33KB [ 188.105723] skbuff_head_cache 917KB 1005KB [ 188.105725] configfs_dir_cache 0KB 8KB [ 188.105728] file_lock_cache 53KB 71KB [ 188.105730] file_lock_ctx 0KB 7KB [ 188.105733] fsnotify_mark_connector 3KB 7KB [ 188.105736] net_namespace 24KB 56KB [ 188.105739] shmem_inode_cache 4917KB 4943KB [ 188.105742] task_delay_info 80KB 259KB [ 188.105745] taskstats 6KB 7KB [ 188.105747] sigqueue 48KB 66KB [ 188.105750] kernfs_node_cache 9679KB 9894KB [ 188.105753] mnt_cache 54KB 88KB [ 188.105755] filp 2118KB 3911KB [ 188.105758] names_cache 16218KB 16218KB [ 188.105760] iint_cache 15KB 31KB [ 188.105763] key_jar 3KB 7KB [ 188.105765] nsproxy 0KB 7KB [ 188.105768] vm_area_struct 2621KB 3499KB [ 188.105771] mm_struct 543KB 862KB [ 188.105773] fs_cache 50KB 152KB [ 188.105776] files_cache 190KB 345KB [ 188.105778] signal_cache 715KB 984KB [ 188.105780] sighand_cache 696KB 1054KB [ 188.105783] task_struct 3308KB 3341KB [ 188.105785] cred_jar 315KB 760KB [ 188.105788] anon_vma_chain 1480KB 2012KB [ 188.105790] anon_vma 247KB 875KB [ 188.105793] pid 58KB 204KB [ 188.105795] Acpi-Operand 37KB 99KB [ 188.105801] Acpi-Namespace 16KB 23KB [ 188.105805] numa_policy 0KB 3KB [ 188.105807] debug_objects_cache 841KB 2092KB [ 188.105810] trace_event_file 242KB 243KB [ 188.105813] ftrace_event_field 348KB 354KB [ 188.105815] pool_workqueue 92KB 104KB [ 188.105817] task_group 4KB 7KB [ 188.105820] page->ptl 401KB 1015KB [ 188.105840] kmalloc-2097152 2050KB 2050KB [ 188.105843] kmalloc-524288 1028KB 1028KB [ 188.105845] kmalloc-262144 258KB 258KB [ 188.105847] kmalloc-131072 260KB 260KB [ 188.105849] kmalloc-65536 1254KB 1386KB [ 188.105852] kmalloc-32768 1056KB 1254KB [ 188.105854] kmalloc-16384 478KB 561KB [ 188.105856] kmalloc-8192 4504KB 4587KB [ 188.105857] kmalloc-4096 12223KB 12265KB [ 188.105859] kmalloc-2048 7390KB 8383KB [ 188.105861] kmalloc-1024 3960KB 5284KB [ 188.105863] kmalloc-512 2618KB 4057KB [ 188.105865] kmalloc-256 3007KB 3847KB [ 188.105867] kmalloc-128 602KB 838KB [ 188.105869] kmalloc-96 991KB 1584KB [ 188.105871] kmalloc-64 1300KB 1668KB [ 188.105873] kmalloc-32 1216KB 1433KB [ 188.105876] kmalloc-192 1041KB 1284KB [ 188.105878] kmem_cache 195KB 202KB [ 188.105881] Kernel panic - not syncing: Out of memory and no killable processes... [ 188.105881] [ 188.105883] CPU: 1 PID: 7283 Comm: syz-executor713 Not tainted 4.15.0-rc1+ #1 [ 188.105884] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 188.105885] Call Trace: [ 188.105888] dump_stack+0x145/0x1e1 [ 188.105890] ? arch_local_irq_restore+0x43/0x43 [ 188.105894] ? oom_reaper+0x3a0/0x3a0 [ 188.105895] ? copy_trace+0x140/0x140 [ 188.105901] panic+0x1a9/0x34e [ 188.105903] ? add_taint.cold.5+0x11/0x11 [ 188.105906] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 188.105911] out_of_memory.cold.28+0x52/0x61 [ 188.105913] ? __alloc_pages_nodemask+0xa68/0xdc0 [ 188.105917] ? oom_killer_disable+0x2b0/0x2b0 [ 188.105919] ? __alloc_pages_slowpath+0xf61/0x2e60 [ 188.105921] ? __lock_is_held+0xb8/0x140 [ 188.105923] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 188.105929] __alloc_pages_slowpath+0x23ba/0x2e60 [ 188.105930] ? copy_trace+0x140/0x140 [ 188.105940] ? warn_alloc+0x110/0x110 [ 188.105943] ? print_usage_bug+0xc0/0xc0 [ 188.105946] ? lock_downgrade+0x8e0/0x8e0 [ 188.105949] ? lock_acquire+0x1e5/0x540 [ 188.105951] ? finish_task_switch+0x1d0/0x7f0 [ 188.105955] ? mark_held_locks+0xc8/0x130 [ 188.105957] ? do_raw_spin_trylock+0x190/0x190 [ 188.105960] ? _raw_spin_unlock_irq+0x27/0x80 [ 188.105962] ? copy_trace+0x140/0x140 [ 188.105965] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 188.105967] ? finish_task_switch+0x1f9/0x7f0 [ 188.105969] ? finish_task_switch+0x1d0/0x7f0 [ 188.105976] ? __lock_is_held+0xb8/0x140 [ 188.105982] ? lock_release+0xe90/0xe90 [ 188.105984] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 188.105986] ? __lock_is_held+0xb8/0x140 [ 188.105990] ? __might_sleep+0x95/0x190 [ 188.105994] __alloc_pages_nodemask+0xa68/0xdc0 [ 188.105995] ? copy_trace+0x140/0x140 [ 188.105998] ? __alloc_pages_slowpath+0x2e60/0x2e60 [ 188.106001] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 188.106005] ? retint_kernel+0x2d/0x2d [ 188.106009] ? __lock_is_held+0xb8/0x140 [ 188.106016] ? trace_event_raw_event_sched_switch+0x7a0/0x7a0 [ 188.106020] alloc_pages_current+0xd6/0x1b0 [ 188.106024] __vmalloc_node_range+0x33d/0x630 [ 188.106031] __vmalloc_node_flags_caller+0x33/0x40 [ 188.106034] ? vmemdup_user+0x28/0x80 [ 188.106036] kvmalloc_node+0x5c/0x80 [ 188.106038] vmemdup_user+0x28/0x80 [ 188.106041] sctp_setsockopt_bindx+0x4d/0x230 [ 188.106043] ? __local_bh_enable_ip+0x160/0x240 [ 188.106047] sctp_setsockopt+0x1d3b/0x5c00 [ 188.106050] ? __mem_cgroup_threshold+0x910/0x910 [ 188.106053] ? sctp_setsockopt_paddr_thresholds+0x5c0/0x5c0 [ 188.106056] ? debug_check_no_locks_freed+0x310/0x310 [ 188.106058] ? find_held_lock+0x3a/0x1d0 [ 188.106062] ? lock_downgrade+0x8e0/0x8e0 [ 188.106065] ? pgtable_trans_huge_deposit+0x2f5/0x560 [ 188.106068] ? pudp_huge_clear_flush+0x200/0x200 [ 188.106070] ? lock_release+0xe90/0xe90 [ 188.106072] ? copy_trace+0x140/0x140 [ 188.106074] ? do_raw_spin_unlock+0x1ec/0x2d0 [ 188.106077] ? do_raw_spin_trylock+0x190/0x190 [ 188.106079] ? preempt_count_add+0x7d/0x160 [ 188.106082] ? clear_huge_page+0x12d/0x700 [ 188.106085] ? _raw_spin_unlock+0x2c/0x50 [ 188.106087] ? do_huge_pmd_anonymous_page+0x8ce/0x1560 [ 188.106090] ? find_held_lock+0x3a/0x1d0 [ 188.106095] ? lock_downgrade+0x8e0/0x8e0 [ 188.106097] ? lock_acquire+0x1e5/0x540 [ 188.106099] ? __fget+0xb5/0x580 [ 188.106103] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 188.106106] ? debug_smp_processor_id+0x17/0x20 [ 188.106107] ? rcu_is_watching+0x61/0x170 [ 188.106109] ? __lock_is_held+0xb8/0x140 [ 188.106111] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 188.106116] ? __fget+0x2fe/0x580 [ 188.106119] ? lock_downgrade+0x8e0/0x8e0 [ 188.106123] ? expand_files.part.8+0x850/0x850 [ 188.106127] ? handle_mm_fault+0x2c3/0x810 [ 188.106129] ? __do_page_fault+0x289/0xb60 [ 188.106135] ? __fget_light+0x2ab/0x400 [ 188.106137] ? __do_page_fault+0x4a3/0xb60 [ 188.106139] ? fget_raw+0x10/0x10 [ 188.106142] ? vmalloc_fault+0xbd0/0xbd0 [ 188.106144] ? alloc_file+0x16f/0x410 [ 188.106148] ? sock_alloc_file+0x1e7/0x510 [ 188.106151] ? do_page_fault+0xd9/0x6a8 [ 188.106155] sock_common_setsockopt+0x73/0xf0 [ 188.106158] SyS_setsockopt+0x167/0x320 [ 188.106162] ? SyS_recv+0x20/0x20 [ 188.106163] ? lockdep_sys_exit+0x43/0x60 [ 188.106166] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 188.106168] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 188.106171] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 188.106175] entry_SYSCALL_64_fastpath+0x23/0x9a [ 188.106176] RIP: 0033:0x439e79 [ 188.106178] RSP: 002b:00007f2acacc2db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 188.106180] RAX: ffffffffffffffda RBX: 00000000006c2c28 RCX: 0000000000439e79 [ 188.106181] RDX: 0000000000000064 RSI: 0000000000000084 RDI: 0000000000000003 [ 188.106182] RBP: 00000000006c2c20 R08: 000000004920a1cf R09: 0000000000000000 [ 188.106183] R10: 0000000020000040 R11: 0000000000000246 R12: 00000000006c2c2c [ 188.106184] R13: 00007fff77e7328f R14: 00007f2acacc3700 R15: 0000000000000000 [ 188.107229] Kernel Offset: disabled