[....] Starting enhanced syslogd: rsyslogd[ 11.609818] audit: type=1400 audit(1514680009.845:5): avc: denied { syslog } for pid=2999 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 16.417084] audit: type=1400 audit(1514680014.652:6): avc: denied { map } for pid=3136 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.15.193' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 357.965211] audit: type=1400 audit(1514680356.201:7): avc: denied { map } for pid=3154 comm="syzkaller642723" path="/root/syzkaller642723560" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 358.062309] audit: type=1400 audit(1514680356.201:8): avc: denied { map_create } for pid=3162 comm="syzkaller642723" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 481.422665] kworker/0:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 481.434872] kworker/0:1 cpuset=/ mems_allowed=0 [ 481.439796] CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 481.447824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 481.457167] Workqueue: events pcpu_balance_workfn [ 481.461990] Call Trace: [ 481.464552] dump_stack+0x194/0x257 [ 481.468152] ? arch_local_irq_restore+0x53/0x53 [ 481.472798] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 481.477970] dump_header+0x28c/0xe2b [ 481.481679] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 481.486862] ? pagefault_out_of_memory+0x145/0x145 [ 481.491770] ? print_irqtrace_events+0x270/0x270 [ 481.496519] ? avc_has_perm_noaudit+0x37e/0x520 [ 481.501176] ? check_noncircular+0x20/0x20 [ 481.505416] ? reacquire_held_locks+0x1f9/0x3e0 [ 481.510061] ? reacquire_held_locks+0x1f9/0x3e0 [ 481.514702] ? check_noncircular+0x20/0x20 [ 481.518908] ? task_will_free_mem+0x252/0xaa0 [ 481.523377] ? check_noncircular+0x20/0x20 [ 481.527604] ? print_irqtrace_events+0x270/0x270 [ 481.532349] ? ___ratelimit+0x30d/0x630 [ 481.536298] ? lock_downgrade+0x980/0x980 [ 481.540421] ? lock_release+0xa40/0xa40 [ 481.544370] ? mark_held_locks+0xaf/0x100 [ 481.548493] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 481.553579] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 481.558576] ? trace_hardirqs_on+0xd/0x10 [ 481.562701] ? ___ratelimit+0x95/0x630 [ 481.566573] ? idr_get_free_cmn+0xfd0/0xfd0 [ 481.570885] ? check_noncircular+0x20/0x20 [ 481.575115] oom_kill_process+0x81b/0x9f0 [ 481.579251] ? oom_badness+0xd1/0x980 [ 481.583035] ? lock_release+0xa40/0xa40 [ 481.587000] ? oom_kill_memcg_member+0x20/0x20 [ 481.591574] ? oom_evaluate_task+0x480/0x480 [ 481.595976] ? out_of_memory+0xe1c/0x1790 [ 481.600109] ? lock_downgrade+0x980/0x980 [ 481.604230] ? lock_release+0xa40/0xa40 [ 481.608177] ? find_next_bit+0xcc/0x100 [ 481.612147] ? blocking_notifier_call_chain+0x112/0x190 [ 481.617506] ? oom_evaluate_task+0x284/0x480 [ 481.621909] out_of_memory+0x9d5/0x1790 [ 481.625864] ? oom_killer_disable+0x310/0x310 [ 481.630336] ? mutex_trylock+0x23a/0x2d0 [ 481.634365] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 481.639274] ? __lock_is_held+0xb6/0x140 [ 481.643321] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 481.648762] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 481.653634] ? warn_alloc+0x2b0/0x2b0 [ 481.657424] ? lock_release+0xa40/0xa40 [ 481.661393] ? print_irqtrace_events+0x270/0x270 [ 481.666655] ? lock_release+0xa40/0xa40 [ 481.670610] ? mutex_spin_on_owner+0x446/0xb50 [ 481.675190] ? __lock_acquire+0x664/0x3e00 [ 481.679418] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 481.685330] ? __lock_is_held+0xb6/0x140 [ 481.689400] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 481.695294] ? __might_sleep+0x95/0x190 [ 481.699262] __alloc_pages_nodemask+0x9fb/0xd80 [ 481.703933] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 481.708921] ? __lock_acquire+0x664/0x3e00 [ 481.713139] ? __lock_acquire+0x664/0x3e00 [ 481.717367] ? print_irqtrace_events+0x270/0x270 [ 481.722105] ? __lock_is_held+0xb6/0x140 [ 481.726141] ? find_next_bit+0xcc/0x100 [ 481.730095] pcpu_populate_chunk+0x1b3/0x880 [ 481.734483] ? find_next_bit+0x97/0x100 [ 481.738438] pcpu_balance_workfn+0xf3e/0x1520 [ 481.742909] ? check_noncircular+0x20/0x20 [ 481.747119] ? find_held_lock+0x35/0x1d0 [ 481.751186] ? pcpu_create_chunk+0x900/0x900 [ 481.755582] ? lock_release+0xa40/0xa40 [ 481.759548] ? check_noncircular+0x20/0x20 [ 481.763768] ? lock_acquire+0x1d5/0x580 [ 481.767719] ? lock_acquire+0x1d5/0x580 [ 481.771674] ? process_one_work+0xb01/0x1af0 [ 481.776068] ? __lock_is_held+0xb6/0x140 [ 481.780111] process_one_work+0xbbf/0x1af0 [ 481.784316] ? trace_hardirqs_on+0xd/0x10 [ 481.788470] ? pwq_dec_nr_in_flight+0x450/0x450 [ 481.793136] ? __schedule+0x8f3/0x2060 [ 481.796997] ? update_curr+0x2e3/0xa60 [ 481.800869] ? check_noncircular+0x20/0x20 [ 481.805083] ? retint_kernel+0x10/0x10 [ 481.808952] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 481.813955] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 481.818702] ? lock_acquire+0x1d5/0x580 [ 481.822650] ? lock_acquire+0x1d5/0x580 [ 481.826598] ? worker_thread+0x4a3/0x1990 [ 481.830719] ? lock_downgrade+0x980/0x980 [ 481.834852] ? lock_release+0xa40/0xa40 [ 481.838810] ? retint_kernel+0x10/0x10 [ 481.842674] ? do_raw_spin_trylock+0x190/0x190 [ 481.847261] worker_thread+0x223/0x1990 [ 481.851256] ? process_one_work+0x1af0/0x1af0 [ 481.855736] ? _raw_spin_unlock_irq+0x27/0x70 [ 481.860202] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 481.865198] ? trace_hardirqs_on+0xd/0x10 [ 481.869328] ? mmdrop+0x18/0x30 [ 481.872583] ? finish_task_switch+0x1f6/0x740 [ 481.877062] ? copy_overflow+0x20/0x20 [ 481.880940] ? __schedule+0x8f3/0x2060 [ 481.884817] ? find_held_lock+0x35/0x1d0 [ 481.888855] ? find_held_lock+0x35/0x1d0 [ 481.892893] ? complete+0x62/0x80 [ 481.896326] ? __schedule+0x2060/0x2060 [ 481.900268] ? do_wait_intr_irq+0x3e0/0x3e0 [ 481.904561] ? __lockdep_init_map+0xe4/0x650 [ 481.908943] ? do_raw_spin_trylock+0x190/0x190 [ 481.913504] ? lockdep_init_map+0x9/0x10 [ 481.917549] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 481.922635] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 481.927630] ? trace_hardirqs_on+0xd/0x10 [ 481.931765] ? __kthread_parkme+0x175/0x240 [ 481.936062] kthread+0x33c/0x400 [ 481.939405] ? process_one_work+0x1af0/0x1af0 [ 481.943875] ? kthread_stop+0x7a0/0x7a0 [ 481.947824] ret_from_fork+0x24/0x30 [ 481.951608] Mem-Info: [ 481.954036] active_anon:7881 inactive_anon:33 isolated_anon:0 [ 481.954036] active_file:38 inactive_file:13 isolated_file:0 [ 481.954036] unevictable:0 dirty:0 writeback:0 unstable:0 [ 481.954036] slab_reclaimable:7176 slab_unreclaimable:83684 [ 481.954036] mapped:9 shmem:40 pagetables:346 bounce:0 [ 481.954036] free:24084 free_pcp:625 free_cma:0 [ 481.986235] Node 0 active_anon:31524kB inactive_anon:132kB active_file:152kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 482.013309] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 482.039458] lowmem_reserve[]: 0 2875 6386 6386 [ 482.044077] Node 0 DMA32 free:44296kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:916kB local_pcp:160kB free_cma:0kB [ 482.071595] lowmem_reserve[]: 0 0 3510 3510 [ 482.075939] Node 0 Normal free:36132kB min:37064kB low:46328kB high:55592kB active_anon:31524kB inactive_anon:132kB active_file:68kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1384kB bounce:0kB free_pcp:1584kB local_pcp:804kB free_cma:0kB [ 482.104835] lowmem_reserve[]: 0 0 0 0 [ 482.108644] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 482.122298] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 3*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 4*256kB (M) 3*512kB (M) 2*1024kB (M) 3*2048kB (UM) 8*4096kB (M) = 44296kB [ 482.137465] Node 0 Normal: 553*4kB (ME) 358*8kB (M) 263*16kB (UM) 149*32kB (UM) 63*64kB (M) 37*128kB (M) 26*256kB (M) 13*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36132kB [ 482.152757] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 482.161340] 76 total pagecache pages [ 482.165075] 0 pages in swap cache [ 482.168528] Swap cache stats: add 0, delete 0, find 0/0 [ 482.173875] Free swap = 0kB [ 482.176878] Total swap = 0kB [ 482.179881] 1965979 pages RAM [ 482.182972] 0 pages HighMem/MovableOnly [ 482.186933] 326511 pages reserved [ 482.190430] Unreclaimable slab info: [ 482.194210] Name Used Total [ 482.199791] hashtab_node 118KB 119KB [ 482.205159] ebitmap_node 382KB 385KB [ 482.210521] avtab_node 1012KB 1013KB [ 482.215872] TIPC 1KB 7KB [ 482.221243] SCTPv6 2KB 4KB [ 482.226610] DCCPv6 2KB 7KB [ 482.231964] DCCP 2KB 6KB [ 482.237354] fib6_nodes 0KB 4KB [ 482.242715] ip6_dst_cache 6KB 7KB [ 482.248090] RAWv6 9KB 13KB [ 482.253483] UDPv6 12KB 14KB [ 482.258837] TCPv6 2KB 5KB [ 482.264209] sd_ext_cdb 0KB 3KB [ 482.269569] scsi_sense_cache 80KB 140KB [ 482.274927] virtio_scsi_cmd 16KB 16KB [ 482.280293] sgpool-128 8KB 8KB [ 482.285654] sgpool-64 4KB 6KB [ 482.291025] sgpool-32 48KB 63KB [ 482.296390] sgpool-16 25KB 30KB [ 482.301750] sgpool-8 173KB 217KB [ 482.307104] cfq_io_cq 15KB 19KB [ 482.312474] cfq_queue 24KB 30KB [ 482.317845] mqueue_inode_cache 1KB 7KB [ 482.323284] nfs_commit_data 3KB 7KB [ 482.328647] nfs_write_data 34KB 37KB [ 482.334038] jbd2_inode 1KB 3KB [ 482.339409] ext4_system_zone 0KB 3KB [ 482.344765] bio-1 1KB 3KB [ 482.350137] rpc_buffers 17KB 19KB [ 482.355497] rpc_tasks 2KB 3KB [ 482.360943] UNIX 1533KB 1533KB [ 482.366317] tcp_bind_bucket 0KB 4KB [ 482.371677] ip_fib_trie 0KB 3KB [ 482.377042] ip_fib_alias 0KB 3KB [ 482.382400] ip_dst_cache 3KB 8KB [ 482.387755] RAW 5KB 7KB [ 482.393121] UDP 29KB 31KB [ 482.398484] TCP 7KB 7KB [ 482.403834] hugetlbfs_inode_cache 1KB 7KB [ 482.409576] eventpoll_pwq 9KB 11KB [ 482.414934] eventpoll_epi 18KB 23KB [ 482.420285] inotify_inode_mark 4KB 7KB [ 482.425732] request_queue 31KB 33KB [ 482.431098] blkdev_ioc 21KB 27KB [ 482.436474] bio-0 294KB 296KB [ 482.441826] biovec-(1<<(21-12)) 478KB 478KB [ 482.447362] biovec-128 46KB 51KB [ 482.452733] biovec-64 19KB 31KB [ 482.458086] biovec-16 8KB 15KB [ 482.463454] bio_integrity_payload 0KB 4KB [ 482.469170] khugepaged_mm_slot 0KB 3KB [ 482.474618] uid_cache 0KB 3KB [ 482.479964] dmaengine-unmap-2 0KB 3KB [ 482.485327] audit_buffer 0KB 3KB [ 482.490694] skbuff_fclone_cache 131KB 135KB [ 482.496224] skbuff_head_cache 1689KB 1695KB [ 482.501589] configfs_dir_cache 0KB 4KB [ 482.507048] file_lock_cache 148KB 150KB [ 482.512419] file_lock_ctx 1KB 3KB [ 482.517779] fsnotify_mark_connector 2KB 3KB [ 482.523664] shmem_inode_cache 879KB 879KB [ 482.529037] task_delay_info 275KB 383KB [ 482.534398] sigqueue 313KB 322KB [ 482.539750] kernfs_node_cache 1840KB 1842KB [ 482.545114] mnt_cache 14KB 20KB [ 482.550472] filp 8271KB 8291KB [ 482.555833] names_cache 115281KB 115319KB [ 482.561205] avc_node 37KB 43KB [ 482.566576] selinux_file_security 411KB 418KB [ 482.572276] selinux_inode_security 1892KB 1896KB [ 482.578061] key_jar 3KB 7KB [ 482.583440] nsproxy 0KB 3KB [ 482.588803] vm_area_struct 16913KB 16922KB [ 482.594156] mm_struct 3945KB 3976KB [ 482.599528] fs_cache 366KB 464KB [ 482.604887] files_cache 1372KB 1605KB [ 482.610239] signal_cache 2197KB 2508KB [ 482.615609] sighand_cache 201KB 277KB [ 482.620969] task_struct 9383KB 9383KB [ 482.626325] cred_jar 2201KB 2212KB [ 482.631691] anon_vma_chain 6904KB 6914KB [ 482.637069] anon_vma 144KB 250KB [ 482.642435] pid 191KB 292KB [ 482.647788] Acpi-Operand 106KB 170KB [ 482.653159] Acpi-Namespace 19KB 23KB [ 482.658522] numa_policy 0KB 3KB [ 482.663874] debug_objects_cache 438KB 438KB [ 482.669412] trace_event_file 144KB 147KB [ 482.674774] ftrace_event_field 254KB 255KB [ 482.680210] pool_workqueue 21KB 24KB [ 482.685575] page->ptl 2725KB 2727KB [ 482.690947] kmalloc-262144 1032KB 1032KB [ 482.696308] kmalloc-131072 650KB 650KB [ 482.701671] kmalloc-65536 264KB 264KB [ 482.707043] kmalloc-32768 462KB 462KB [ 482.712402] kmalloc-16384 148KB 148KB [ 482.717762] kmalloc-8192 412KB 412KB [ 482.723128] kmalloc-4096 8402KB 8440KB [ 482.728495] kmalloc-2048 2989KB 2996KB [ 482.733845] kmalloc-1024 3443KB 3457KB [ 482.739213] kmalloc-512 2983KB 3191KB [ 482.744573] kmalloc-256 1563KB 1886KB [ 482.749923] kmalloc-128 392KB 507KB [ 482.755297] kmalloc-96 1920KB 1920KB [ 482.760657] kmalloc-64 2316KB 2316KB [ 482.766027] kmalloc-32 2299KB 2299KB [ 482.771477] kmalloc-192 800KB 800KB [ 482.776840] kmem_cache 96KB 97KB [ 482.782191] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 482.790831] [ 1606] 0 1606 5366 167 90112 0 -1000 udevd [ 482.799050] [ 2861] 0 2861 2493 573 57344 0 0 dhclient [ 482.807476] [ 2999] 0 2999 14265 173 114688 0 0 rsyslogd [ 482.815891] [ 3054] 0 3054 3736 44 69632 0 0 mcstransd [ 482.824394] [ 3056] 0 3056 4725 51 81920 0 0 cron [ 482.832471] [ 3064] 0 3064 12927 1227 131072 0 0 restorecond [ 482.841149] [ 3089] 0 3089 12490 152 135168 0 -1000 sshd [ 482.849227] [ 3124] 0 3124 3694 40 73728 0 0 getty [ 482.857390] [ 3125] 0 3125 3694 40 69632 0 0 getty [ 482.865563] [ 3126] 0 3126 3694 41 77824 0 0 getty [ 482.873725] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 482.881874] [ 3128] 0 3128 3694 41 69632 0 0 getty [ 482.890041] [ 3129] 0 3129 3694 40 77824 0 0 getty [ 482.898180] [ 3130] 0 3130 3649 41 73728 0 0 getty [ 482.906323] [ 3131] 0 3131 5681 454 86016 0 -1000 udevd [ 482.914466] [ 3132] 0 3132 5681 454 86016 0 -1000 udevd [ 482.922618] [ 3152] 0 3152 17821 197 188416 0 0 sshd [ 482.930679] [ 3154] 0 3154 280 1 32768 0 0 syzkaller642723 [ 482.939704] [ 3155] 0 3155 4371 522 36864 0 0 syzkaller642723 [ 482.948719] [ 3156] 0 3156 4371 522 36864 0 0 syzkaller642723 [ 482.957740] [ 3157] 0 3157 4371 522 36864 0 0 syzkaller642723 [ 482.966762] [ 3158] 0 3158 4371 522 36864 0 0 syzkaller642723 [ 482.975772] [ 3159] 0 3159 4371 522 36864 0 0 syzkaller642723 [ 482.984780] [ 3160] 0 3160 4371 522 36864 0 0 syzkaller642723 [ 482.993789] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller642723 [ 483.002806] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller642723 [ 483.011820] Out of memory: Kill process 3064 (restorecond) score 0 or sacrifice child [ 483.020176] Killed process 3064 (restorecond) total-vm:51708kB, anon-rss:4916kB, file-rss:0kB, shmem-rss:0kB [ 483.315896] syzkaller642723 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 483.328569] syzkaller642723 cpuset=/ mems_allowed=0 [ 483.333758] CPU: 0 PID: 3155 Comm: syzkaller642723 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 483.342319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 483.351655] Call Trace: [ 483.354215] dump_stack+0x194/0x257 [ 483.357823] ? arch_local_irq_restore+0x53/0x53 [ 483.362463] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 483.367628] dump_header+0x28c/0xe2b [ 483.371315] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 483.376484] ? pagefault_out_of_memory+0x145/0x145 [ 483.381386] ? print_irqtrace_events+0x270/0x270 [ 483.386118] ? avc_has_perm_noaudit+0x37e/0x520 [ 483.390755] ? check_noncircular+0x20/0x20 [ 483.394967] ? reacquire_held_locks+0x1f9/0x3e0 [ 483.399601] ? reacquire_held_locks+0x1f9/0x3e0 [ 483.404238] ? check_noncircular+0x20/0x20 [ 483.408438] ? task_will_free_mem+0x252/0xaa0 [ 483.412898] ? check_noncircular+0x20/0x20 [ 483.417104] ? print_irqtrace_events+0x270/0x270 [ 483.421834] ? ___ratelimit+0x30d/0x630 [ 483.425775] ? lock_downgrade+0x980/0x980 [ 483.429907] ? lock_release+0xa40/0xa40 [ 483.433855] ? mark_held_locks+0xaf/0x100 [ 483.437981] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 483.443071] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 483.448054] ? trace_hardirqs_on+0xd/0x10 [ 483.452172] ? ___ratelimit+0x95/0x630 [ 483.456029] ? idr_get_free_cmn+0xfd0/0xfd0 [ 483.460319] ? check_noncircular+0x20/0x20 [ 483.464528] oom_kill_process+0x81b/0x9f0 [ 483.468643] ? oom_badness+0xd1/0x980 [ 483.472409] ? lock_release+0xa40/0xa40 [ 483.476352] ? oom_kill_memcg_member+0x20/0x20 [ 483.480906] ? oom_evaluate_task+0x480/0x480 [ 483.485286] ? out_of_memory+0xe1c/0x1790 [ 483.489405] ? lock_downgrade+0x980/0x980 [ 483.493524] ? lock_release+0xa40/0xa40 [ 483.497477] ? oom_evaluate_task+0x284/0x480 [ 483.501857] out_of_memory+0x9d5/0x1790 [ 483.505806] ? oom_killer_disable+0x310/0x310 [ 483.510274] ? mutex_trylock+0x23a/0x2d0 [ 483.514300] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 483.519199] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 483.524706] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 483.530569] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 483.535408] ? warn_alloc+0x2b0/0x2b0 [ 483.539178] ? lock_release+0xa40/0xa40 [ 483.543125] ? print_irqtrace_events+0x270/0x270 [ 483.547861] ? mutex_spin_on_owner+0x446/0xb50 [ 483.552422] ? __lock_acquire+0x664/0x3e00 [ 483.556628] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 483.562481] ? lock_release+0xa40/0xa40 [ 483.566463] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 483.572322] ? __might_sleep+0x95/0x190 [ 483.576267] __alloc_pages_nodemask+0x9fb/0xd80 [ 483.580911] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 483.585901] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 483.590802] ? print_irqtrace_events+0x270/0x270 [ 483.595539] ? __lock_is_held+0xb6/0x140 [ 483.599573] ? find_next_bit+0xcc/0x100 [ 483.603522] pcpu_populate_chunk+0x1b3/0x880 [ 483.607898] ? find_next_bit+0x97/0x100 [ 483.611847] pcpu_alloc+0x978/0x10e0 [ 483.615539] ? pcpu_free_area+0xa00/0xa00 [ 483.619653] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 483.624120] ? vmap_page_range_noflush+0x523/0x720 [ 483.629021] ? retint_kernel+0x10/0x10 [ 483.632875] ? retint_kernel+0x10/0x10 [ 483.636743] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 483.641728] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 483.646457] ? retint_kernel+0x10/0x10 [ 483.650321] ? pcpu_alloc+0x13/0x10e0 [ 483.654092] __alloc_percpu_gfp+0x27/0x30 [ 483.658210] array_map_alloc+0x68a/0x830 [ 483.662245] SyS_bpf+0x7f8/0x4420 [ 483.665664] ? perf_event_mmap+0x115/0x12a0 [ 483.669953] ? bpf_prog_get+0x20/0x20 [ 483.673722] ? perf_event_fork+0x30/0x30 [ 483.678467] ? __lock_is_held+0xb6/0x140 [ 483.682498] ? check_noncircular+0x20/0x20 [ 483.686703] ? vma_wants_writenotify+0x51/0x3b0 [ 483.691342] ? __handle_mm_fault+0x80e/0x3ce0 [ 483.695808] ? check_noncircular+0x20/0x20 [ 483.700009] ? __pmd_alloc+0x4e0/0x4e0 [ 483.703862] ? vma_link+0xe9/0x170 [ 483.707375] ? find_held_lock+0x35/0x1d0 [ 483.711422] ? handle_mm_fault+0x2a0/0x930 [ 483.715627] ? find_held_lock+0x35/0x1d0 [ 483.719663] ? __do_page_fault+0x5f7/0xc90 [ 483.723864] ? lock_downgrade+0x980/0x980 [ 483.728005] ? handle_mm_fault+0x476/0x930 [ 483.732228] ? down_read_trylock+0xdb/0x170 [ 483.736519] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 483.741066] ? vmacache_find+0x5f/0x280 [ 483.745006] ? vmacache_update+0xfe/0x130 [ 483.749124] ? up_read+0x1a/0x40 [ 483.752478] ? __do_page_fault+0x3d6/0xc90 [ 483.756688] ? mm_fault_error+0x2c0/0x2c0 [ 483.760813] ? do_page_fault+0xee/0x720 [ 483.764756] ? __do_page_fault+0xc90/0xc90 [ 483.768986] ? SyS_mmap_pgoff+0x243/0x5f0 [ 483.773110] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 483.777841] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 483.782573] RIP: 0033:0x440139 [ 483.785730] RSP: 002b:00007ffd16b64618 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 483.793406] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 483.800644] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 483.807882] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 483.815126] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 483.822364] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 483.829872] Mem-Info: [ 483.832338] active_anon:6652 inactive_anon:33 isolated_anon:0 [ 483.832338] active_file:24 inactive_file:0 isolated_file:0 [ 483.832338] unevictable:0 dirty:0 writeback:0 unstable:0 [ 483.832338] slab_reclaimable:7175 slab_unreclaimable:83668 [ 483.832338] mapped:11 shmem:40 pagetables:319 bounce:0 [ 483.832338] free:24322 free_pcp:30 free_cma:0 [ 483.864645] Node 0 active_anon:26608kB inactive_anon:132kB active_file:92kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:44kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 483.891571] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 483.917945] lowmem_reserve[]: 0 2875 6386 6386 [ 483.922588] Node 0 DMA32 free:44372kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 483.949797] lowmem_reserve[]: 0 0 3510 3510 [ 483.954156] Node 0 Normal free:36888kB min:37064kB low:46328kB high:55592kB active_anon:26608kB inactive_anon:132kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2912kB pagetables:1276kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 483.982902] lowmem_reserve[]: 0 0 0 0 [ 483.986760] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 484.000473] Node 0 DMA32: 3*4kB (UM) 3*8kB (UM) 4*16kB (UM) 6*32kB (UM) 2*64kB (M) 3*128kB (UM) 4*256kB (UM) 4*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44836kB [ 484.016044] Node 0 Normal: 501*4kB (UME) 323*8kB (UM) 242*16kB (UM) 158*32kB (UM) 99*64kB (UM) 41*128kB (UM) 27*256kB (M) 10*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37132kB [ 484.031690] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 484.040278] 95 total pagecache pages [ 484.044031] 0 pages in swap cache [ 484.047491] Swap cache stats: add 0, delete 0, find 0/0 [ 484.052863] Free swap = 0kB [ 484.055883] Total swap = 0kB [ 484.058914] 1965979 pages RAM [ 484.062031] 0 pages HighMem/MovableOnly [ 484.066032] 326511 pages reserved [ 484.069560] Unreclaimable slab info: [ 484.073357] Name Used Total [ 484.078960] hashtab_node 118KB 119KB [ 484.084337] ebitmap_node 382KB 385KB [ 484.089709] avtab_node 1012KB 1013KB [ 484.095084] TIPC 1KB 7KB [ 484.100465] SCTPv6 2KB 4KB [ 484.106092] DCCPv6 2KB 7KB [ 484.111651] DCCP 2KB 6KB [ 484.117067] fib6_nodes 0KB 4KB [ 484.122444] ip6_dst_cache 6KB 7KB [ 484.127819] RAWv6 9KB 13KB [ 484.133193] UDPv6 12KB 14KB [ 484.138573] TCPv6 2KB 5KB [ 484.143955] sd_ext_cdb 0KB 3KB [ 484.149329] scsi_sense_cache 93KB 140KB [ 484.154701] virtio_scsi_cmd 16KB 16KB [ 484.160074] sgpool-128 8KB 8KB [ 484.165447] sgpool-64 4KB 6KB [ 484.170817] sgpool-32 70KB 70KB [ 484.176190] sgpool-16 33KB 33KB [ 484.181561] sgpool-8 174KB 217KB [ 484.186936] cfq_io_cq 18KB 19KB [ 484.192306] cfq_queue 29KB 30KB [ 484.197677] mqueue_inode_cache 1KB 7KB [ 484.203138] nfs_commit_data 3KB 7KB [ 484.208515] nfs_write_data 34KB 37KB [ 484.213890] jbd2_inode 1KB 3KB [ 484.219264] ext4_system_zone 0KB 3KB [ 484.224648] bio-1 1KB 3KB [ 484.230040] rpc_buffers 17KB 19KB [ 484.235412] rpc_tasks 2KB 3KB [ 484.240796] UNIX 1533KB 1533KB [ 484.246172] tcp_bind_bucket 0KB 4KB [ 484.251549] ip_fib_trie 0KB 3KB [ 484.256919] ip_fib_alias 0KB 3KB [ 484.262290] ip_dst_cache 3KB 8KB [ 484.267662] RAW 5KB 7KB [ 484.273032] UDP 29KB 31KB [ 484.278409] TCP 7KB 7KB [ 484.283781] hugetlbfs_inode_cache 1KB 7KB [ 484.289500] eventpoll_pwq 9KB 11KB [ 484.294874] eventpoll_epi 18KB 23KB [ 484.300246] inotify_inode_mark 4KB 7KB [ 484.305721] request_queue 31KB 33KB [ 484.311095] blkdev_ioc 25KB 27KB [ 484.316470] bio-0 303KB 303KB [ 484.321841] biovec-(1<<(21-12)) 478KB 478KB [ 484.327403] biovec-128 63KB 63KB [ 484.332776] biovec-64 31KB 31KB [ 484.338149] biovec-16 15KB 15KB [ 484.343525] bio_integrity_payload 0KB 4KB [ 484.349244] khugepaged_mm_slot 0KB 3KB [ 484.354707] uid_cache 0KB 3KB [ 484.360078] dmaengine-unmap-2 0KB 3KB [ 484.365450] audit_buffer 0KB 3KB [ 484.370831] skbuff_fclone_cache 131KB 135KB [ 484.376380] skbuff_head_cache 1689KB 1695KB [ 484.381753] configfs_dir_cache 0KB 4KB [ 484.387210] file_lock_cache 148KB 150KB [ 484.392580] file_lock_ctx 1KB 3KB [ 484.397953] fsnotify_mark_connector 2KB 3KB [ 484.403850] shmem_inode_cache 879KB 879KB [ 484.409225] task_delay_info 278KB 383KB [ 484.414602] sigqueue 316KB 322KB [ 484.419973] kernfs_node_cache 1840KB 1842KB [ 484.425345] mnt_cache 14KB 20KB [ 484.430739] filp 8237KB 8268KB [ 484.436111] names_cache 115281KB 115311KB [ 484.441490] avc_node 37KB 43KB [ 484.446863] selinux_file_security 410KB 418KB [ 484.452587] selinux_inode_security 1891KB 1896KB [ 484.458394] key_jar 3KB 7KB [ 484.463768] nsproxy 0KB 3KB [ 484.469138] vm_area_struct 16910KB 16922KB [ 484.474510] mm_struct 3943KB 3976KB [ 484.479881] fs_cache 366KB 464KB [ 484.485250] files_cache 1372KB 1605KB [ 484.490624] signal_cache 2215KB 2508KB [ 484.495996] sighand_cache 256KB 277KB [ 484.501396] task_struct 9389KB 9389KB [ 484.506769] cred_jar 2201KB 2212KB [ 484.512144] anon_vma_chain 6902KB 6914KB [ 484.517514] anon_vma 144KB 250KB [ 484.522882] pid 193KB 292KB [ 484.528253] Acpi-Operand 106KB 170KB [ 484.533627] Acpi-Namespace 19KB 23KB [ 484.539003] numa_policy 0KB 3KB [ 484.544411] debug_objects_cache 438KB 438KB [ 484.549958] trace_event_file 144KB 147KB [ 484.555329] ftrace_event_field 254KB 255KB [ 484.560815] pool_workqueue 21KB 24KB [ 484.566200] page->ptl 2725KB 2727KB [ 484.571594] kmalloc-262144 1032KB 1032KB [ 484.576964] kmalloc-131072 650KB 650KB [ 484.582337] kmalloc-65536 264KB 264KB [ 484.587714] kmalloc-32768 462KB 462KB [ 484.593088] kmalloc-16384 148KB 148KB [ 484.598463] kmalloc-8192 412KB 412KB [ 484.603836] kmalloc-4096 8393KB 8423KB [ 484.609207] kmalloc-2048 2989KB 2996KB [ 484.614581] kmalloc-1024 3443KB 3457KB [ 484.619950] kmalloc-512 2983KB 3191KB [ 484.625320] kmalloc-256 1560KB 1882KB [ 484.630703] kmalloc-128 390KB 507KB [ 484.636077] kmalloc-96 1924KB 1924KB [ 484.641450] kmalloc-64 2320KB 2320KB [ 484.646825] kmalloc-32 2299KB 2299KB [ 484.652262] kmalloc-192 804KB 804KB [ 484.657640] kmem_cache 96KB 97KB [ 484.663031] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 484.671714] [ 1606] 0 1606 5366 167 90112 0 -1000 udevd [ 484.679957] [ 2861] 0 2861 2493 573 57344 0 0 dhclient [ 484.688383] [ 2999] 0 2999 14265 172 114688 0 0 rsyslogd [ 484.696810] [ 3054] 0 3054 3736 44 69632 0 0 mcstransd [ 484.705319] [ 3056] 0 3056 4725 51 81920 0 0 cron [ 484.713405] [ 3089] 0 3089 12490 152 135168 0 -1000 sshd [ 484.721479] [ 3124] 0 3124 3694 40 73728 0 0 getty [ 484.729643] [ 3125] 0 3125 3694 40 69632 0 0 getty [ 484.737807] [ 3126] 0 3126 3694 41 77824 0 0 getty [ 484.745965] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 484.754123] [ 3128] 0 3128 3694 41 69632 0 0 getty [ 484.762297] [ 3129] 0 3129 3694 40 77824 0 0 getty [ 484.770492] [ 3130] 0 3130 3649 41 73728 0 0 getty [ 484.778653] [ 3131] 0 3131 5681 454 86016 0 -1000 udevd [ 484.786815] [ 3132] 0 3132 5681 454 86016 0 -1000 udevd [ 484.794974] [ 3152] 0 3152 17821 197 188416 0 0 sshd [ 484.803042] [ 3154] 0 3154 280 1 32768 0 0 syzkaller642723 [ 484.812070] [ 3155] 0 3155 4371 522 36864 0 0 syzkaller642723 [ 484.821102] [ 3156] 0 3156 4371 522 36864 0 0 syzkaller642723 [ 484.830132] [ 3157] 0 3157 4371 522 36864 0 0 syzkaller642723 [ 484.839164] [ 3158] 0 3158 4371 522 36864 0 0 syzkaller642723 [ 484.848196] [ 3159] 0 3159 4371 522 36864 0 0 syzkaller642723 [ 484.857228] [ 3160] 0 3160 4371 522 36864 0 0 syzkaller642723 [ 484.866255] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller642723 [ 484.875292] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller642723 [ 484.884323] Out of memory: Kill process 2861 (dhclient) score 0 or sacrifice child [ 484.892525] Killed process 2861 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 484.926380] kworker/0:0 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 484.938632] kworker/0:0 cpuset=/ mems_allowed=0 [ 484.943350] CPU: 0 PID: 3163 Comm: kworker/0:0 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 484.951559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 484.960901] Workqueue: events pcpu_balance_workfn [ 484.965734] Call Trace: [ 484.968303] dump_stack+0x194/0x257 [ 484.971915] ? arch_local_irq_restore+0x53/0x53 [ 484.976560] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 484.981731] dump_header+0x28c/0xe2b [ 484.985426] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 484.990589] ? pagefault_out_of_memory+0x145/0x145 [ 484.995495] ? print_irqtrace_events+0x270/0x270 [ 485.000230] ? avc_has_perm_noaudit+0x37e/0x520 [ 485.004875] ? check_noncircular+0x20/0x20 [ 485.009083] ? check_noncircular+0x20/0x20 [ 485.013291] ? print_irqtrace_events+0x270/0x270 [ 485.018027] ? reacquire_held_locks+0x1f9/0x3e0 [ 485.022665] ? reacquire_held_locks+0x1f9/0x3e0 [ 485.027308] ? check_noncircular+0x20/0x20 [ 485.031515] ? task_will_free_mem+0x252/0xaa0 [ 485.035981] ? check_noncircular+0x20/0x20 [ 485.040194] ? print_irqtrace_events+0x270/0x270 [ 485.044928] ? ___ratelimit+0x30d/0x630 [ 485.048875] ? lock_downgrade+0x980/0x980 [ 485.053000] ? lock_release+0xa40/0xa40 [ 485.056958] ? mark_held_locks+0xaf/0x100 [ 485.061078] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 485.066155] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 485.071143] ? trace_hardirqs_on+0xd/0x10 [ 485.075265] ? ___ratelimit+0x95/0x630 [ 485.079126] ? idr_get_free_cmn+0xfd0/0xfd0 [ 485.083443] ? check_noncircular+0x20/0x20 [ 485.087661] oom_kill_process+0x81b/0x9f0 [ 485.091780] ? oom_badness+0xd1/0x980 [ 485.095551] ? lock_release+0xa40/0xa40 [ 485.099501] ? oom_kill_memcg_member+0x20/0x20 [ 485.104052] ? mark_held_locks+0xaf/0x100 [ 485.108176] ? oom_evaluate_task+0x480/0x480 [ 485.112564] ? out_of_memory+0xe1c/0x1790 [ 485.116685] ? lock_downgrade+0x980/0x980 [ 485.120808] ? lock_release+0xa40/0xa40 [ 485.124752] ? find_next_bit+0xcc/0x100 [ 485.128699] ? blocking_notifier_call_chain+0x112/0x190 [ 485.134045] ? oom_evaluate_task+0x284/0x480 [ 485.138432] out_of_memory+0x9d5/0x1790 [ 485.142389] ? oom_killer_disable+0x310/0x310 [ 485.146870] ? mutex_trylock+0x23a/0x2d0 [ 485.150911] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 485.155812] ? __lock_is_held+0xb6/0x140 [ 485.159846] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 485.165279] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 485.170137] ? warn_alloc+0x2b0/0x2b0 [ 485.173908] ? check_noncircular+0x20/0x20 [ 485.178121] ? print_irqtrace_events+0x270/0x270 [ 485.182853] ? lock_release+0xa40/0xa40 [ 485.187073] ? lock_pin_lock+0x360/0x360 [ 485.191110] ? lock_acquire+0x1d5/0x580 [ 485.195055] ? lock_acquire+0x1d5/0x580 [ 485.199007] ? __lock_acquire+0x664/0x3e00 [ 485.203220] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 485.209252] ? lock_release+0xa40/0xa40 [ 485.213224] ? __lock_is_held+0xb6/0x140 [ 485.217273] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 485.223140] ? __might_sleep+0x95/0x190 [ 485.227093] __alloc_pages_nodemask+0x9fb/0xd80 [ 485.231734] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 485.236911] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 485.241899] ? __lock_acquire+0x664/0x3e00 [ 485.246112] ? __lock_acquire+0x664/0x3e00 [ 485.250347] ? print_irqtrace_events+0x270/0x270 [ 485.255083] ? __lock_is_held+0xb6/0x140 [ 485.259124] ? find_next_bit+0xcc/0x100 [ 485.263088] pcpu_populate_chunk+0x1b3/0x880 [ 485.267469] ? find_next_bit+0x97/0x100 [ 485.271425] pcpu_balance_workfn+0xf3e/0x1520 [ 485.275912] ? check_noncircular+0x20/0x20 [ 485.280119] ? find_held_lock+0x35/0x1d0 [ 485.284167] ? pcpu_create_chunk+0x900/0x900 [ 485.288550] ? lock_release+0xa40/0xa40 [ 485.292501] ? check_noncircular+0x20/0x20 [ 485.296717] ? lock_acquire+0x1d5/0x580 [ 485.300662] ? lock_acquire+0x1d5/0x580 [ 485.304609] ? process_one_work+0xb01/0x1af0 [ 485.309015] ? __lock_is_held+0xb6/0x140 [ 485.313066] process_one_work+0xbbf/0x1af0 [ 485.317272] ? trace_hardirqs_on+0xd/0x10 [ 485.321405] ? pwq_dec_nr_in_flight+0x450/0x450 [ 485.326057] ? __schedule+0x8f3/0x2060 [ 485.329913] ? update_curr+0x47b/0xa60 [ 485.333782] ? check_noncircular+0x20/0x20 [ 485.337988] ? __lock_is_held+0xb6/0x140 [ 485.342057] ? lock_acquire+0x1d5/0x580 [ 485.346014] ? lock_acquire+0x1d5/0x580 [ 485.349961] ? worker_thread+0x4a3/0x1990 [ 485.354085] ? lock_downgrade+0x980/0x980 [ 485.358207] ? lock_release+0xa40/0xa40 [ 485.362156] ? worker_pool_assign_id+0x1b0/0x1b0 [ 485.366885] ? do_raw_spin_trylock+0x190/0x190 [ 485.371455] worker_thread+0x223/0x1990 [ 485.375424] ? process_one_work+0x1af0/0x1af0 [ 485.379902] ? _raw_spin_unlock_irq+0x27/0x70 [ 485.384379] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 485.389368] ? trace_hardirqs_on+0xd/0x10 [ 485.393488] ? mmdrop+0x18/0x30 [ 485.396740] ? finish_task_switch+0x1f6/0x740 [ 485.401210] ? copy_overflow+0x20/0x20 [ 485.405079] ? __schedule+0x8f3/0x2060 [ 485.408961] ? find_held_lock+0x35/0x1d0 [ 485.413003] ? find_held_lock+0x35/0x1d0 [ 485.417047] ? complete+0x62/0x80 [ 485.420484] ? __schedule+0x2060/0x2060 [ 485.424441] ? do_wait_intr_irq+0x3e0/0x3e0 [ 485.428732] ? __lockdep_init_map+0xe4/0x650 [ 485.433122] ? do_raw_spin_trylock+0x190/0x190 [ 485.437676] ? lockdep_init_map+0x9/0x10 [ 485.441709] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 485.446787] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 485.451775] ? trace_hardirqs_on+0xd/0x10 [ 485.455895] ? __kthread_parkme+0x175/0x240 [ 485.460200] kthread+0x33c/0x400 [ 485.463538] ? process_one_work+0x1af0/0x1af0 [ 485.468003] ? kthread_stop+0x7a0/0x7a0 [ 485.471955] ret_from_fork+0x24/0x30 [ 485.475782] Mem-Info: [ 485.478450] active_anon:6102 inactive_anon:33 isolated_anon:0 [ 485.478450] active_file:22 inactive_file:79 isolated_file:0 [ 485.478450] unevictable:0 dirty:0 writeback:0 unstable:0 [ 485.478450] slab_reclaimable:7175 slab_unreclaimable:83667 [ 485.478450] mapped:1 shmem:40 pagetables:315 bounce:0 [ 485.478450] free:24516 free_pcp:70 free_cma:0 [ 485.510788] Node 0 active_anon:24408kB inactive_anon:132kB active_file:88kB inactive_file:292kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 485.538207] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 485.564783] lowmem_reserve[]: 0 2875 6386 6386 [ 485.569699] Node 0 DMA32 free:44088kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:20kB inactive_file:200kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 485.597442] lowmem_reserve[]: 0 0 3510 3510 [ 485.602256] Node 0 Normal free:37452kB min:37064kB low:46328kB high:55592kB active_anon:24592kB inactive_anon:132kB active_file:588kB inactive_file:968kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2912kB pagetables:1260kB bounce:0kB free_pcp:88kB local_pcp:0kB free_cma:0kB [ 485.631452] lowmem_reserve[]: 0 0 0 0 [ 485.635328] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 485.649370] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 4*32kB (UM) 3*64kB (UM) 2*128kB (M) 3*256kB (M) 4*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44456kB [ 485.665551] Node 0 Normal: 316*4kB (UME) 313*8kB (UM) 244*16kB (UM) 169*32kB (UM) 101*64kB (UM) 44*128kB (UM) 30*256kB (M) 10*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37976kB [ 485.681577] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 485.690444] 242 total pagecache pages [ 485.694470] 0 pages in swap cache [ 485.698172] Swap cache stats: add 0, delete 0, find 0/0 [ 485.703700] Free swap = 0kB [ 485.706958] Total swap = 0kB [ 485.709984] 1965979 pages RAM [ 485.713074] 0 pages HighMem/MovableOnly [ 485.717029] 326511 pages reserved [ 485.720464] Unreclaimable slab info: [ 485.724161] Name Used Total [ 485.729704] hashtab_node 118KB 119KB [ 485.735050] ebitmap_node 382KB 385KB [ 485.740652] avtab_node 1012KB 1013KB [ 485.748125] TIPC 1KB 7KB [ 485.753725] SCTPv6 2KB 4KB [ 485.759447] DCCPv6 2KB 7KB [ 485.764928] DCCP 2KB 6KB [ 485.770292] fib6_nodes 0KB 4KB [ 485.775645] ip6_dst_cache 6KB 7KB [ 485.781156] RAWv6 9KB 13KB [ 485.786827] UDPv6 12KB 14KB [ 485.792468] TCPv6 2KB 5KB [ 485.797859] sd_ext_cdb 0KB 3KB [ 485.803339] scsi_sense_cache 108KB 140KB [ 485.809038] virtio_scsi_cmd 16KB 16KB [ 485.814660] sgpool-128 8KB 8KB [ 485.820256] sgpool-64 4KB 6KB [ 485.826053] sgpool-32 126KB 126KB [ 485.831933] sgpool-16 48KB 48KB [ 485.837845] sgpool-8 208KB 217KB [ 485.843467] cfq_io_cq 19KB 19KB [ 485.848969] cfq_queue 30KB 30KB [ 485.854363] mqueue_inode_cache 1KB 7KB [ 485.859806] nfs_commit_data 3KB 7KB [ 485.865317] nfs_write_data 34KB 37KB [ 485.871112] jbd2_inode 1KB 3KB [ 485.876833] ext4_system_zone 0KB 3KB [ 485.882546] bio-1 1KB 3KB [ 485.888186] rpc_buffers 17KB 19KB [ 485.893854] rpc_tasks 2KB 3KB [ 485.899641] UNIX 1524KB 1533KB [ 485.905292] tcp_bind_bucket 0KB 4KB [ 485.910791] ip_fib_trie 0KB 3KB [ 485.916382] ip_fib_alias 0KB 3KB [ 485.921986] ip_dst_cache 3KB 8KB [ 485.927527] RAW 5KB 7KB [ 485.933171] UDP 29KB 31KB [ 485.938686] TCP 7KB 7KB [ 485.944281] hugetlbfs_inode_cache 1KB 7KB [ 485.950192] eventpoll_pwq 9KB 11KB [ 485.955554] eventpoll_epi 18KB 23KB [ 485.961142] inotify_inode_mark 4KB 7KB [ 485.966908] request_queue 31KB 33KB [ 485.972517] blkdev_ioc 27KB 27KB [ 485.978130] bio-0 363KB 363KB [ 485.983718] biovec-(1<<(21-12)) 478KB 478KB [ 485.989526] biovec-128 159KB 159KB [ 485.994944] biovec-64 141KB 141KB [ 486.000330] biovec-16 30KB 30KB [ 486.005720] bio_integrity_payload 0KB 4KB [ 486.011417] khugepaged_mm_slot 0KB 3KB [ 486.016982] uid_cache 0KB 3KB [ 486.022465] dmaengine-unmap-2 0KB 3KB [ 486.028174] audit_buffer 0KB 3KB [ 486.033740] skbuff_fclone_cache 131KB 135KB [ 486.039425] skbuff_head_cache 1685KB 1695KB [ 486.044882] configfs_dir_cache 0KB 4KB [ 486.050496] file_lock_cache 148KB 150KB [ 486.056070] file_lock_ctx 1KB 3KB [ 486.061621] fsnotify_mark_connector 2KB 3KB [ 486.067657] shmem_inode_cache 879KB 879KB [ 486.073203] task_delay_info 278KB 383KB [ 486.078740] sigqueue 316KB 322KB [ 486.084104] kernfs_node_cache 1840KB 1842KB [ 486.089614] mnt_cache 14KB 20KB [ 486.095427] filp 8230KB 8265KB [ 486.101171] names_cache 114677KB 114716KB [ 486.106799] avc_node 37KB 43KB [ 486.112160] selinux_file_security 410KB 418KB [ 486.117983] selinux_inode_security 1891KB 1896KB [ 486.124111] key_jar 3KB 7KB [ 486.129593] nsproxy 0KB 3KB [ 486.135272] vm_area_struct 16907KB 16922KB [ 486.140702] mm_struct 3943KB 3976KB [ 486.146070] fs_cache 366KB 464KB [ 486.151498] files_cache 1372KB 1605KB [ 486.156992] signal_cache 2215KB 2508KB [ 486.162583] sighand_cache 256KB 277KB [ 486.168568] task_struct 9389KB 9389KB [ 486.174117] cred_jar 2201KB 2212KB [ 486.179488] anon_vma_chain 6901KB 6914KB [ 486.184856] anon_vma 139KB 250KB [ 486.190358] pid 193KB 292KB [ 486.196246] Acpi-Operand 106KB 170KB [ 486.201856] Acpi-Namespace 19KB 23KB [ 486.207610] numa_policy 0KB 3KB [ 486.213230] debug_objects_cache 438KB 438KB [ 486.218975] trace_event_file 144KB 147KB [ 486.224771] ftrace_event_field 254KB 255KB [ 486.230453] pool_workqueue 21KB 24KB [ 486.236149] page->ptl 2724KB 2727KB [ 486.241742] kmalloc-262144 1032KB 1032KB [ 486.247389] kmalloc-131072 650KB 650KB [ 486.252967] kmalloc-65536 264KB 264KB [ 486.258444] kmalloc-32768 462KB 462KB [ 486.263908] kmalloc-16384 148KB 148KB [ 486.269261] kmalloc-8192 412KB 412KB [ 486.274628] kmalloc-4096 8215KB 8253KB [ 486.279976] kmalloc-2048 2989KB 2996KB [ 486.285323] kmalloc-1024 3850KB 3850KB [ 486.290681] kmalloc-512 2976KB 3183KB [ 486.296037] kmalloc-256 1559KB 1882KB [ 486.302053] kmalloc-128 389KB 507KB [ 486.307783] kmalloc-96 1948KB 1948KB [ 486.313142] kmalloc-64 2320KB 2320KB [ 486.318591] kmalloc-32 2299KB 2299KB [ 486.324243] kmalloc-192 804KB 804KB [ 486.329818] kmem_cache 96KB 97KB [ 486.335325] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 486.344163] [ 1606] 0 1606 5366 167 90112 0 -1000 udevd [ 486.352560] [ 2999] 0 2999 14265 183 114688 0 0 rsyslogd [ 486.361038] [ 3054] 0 3054 3736 44 69632 0 0 mcstransd [ 486.369544] [ 3056] 0 3056 4725 51 81920 0 0 cron [ 486.377606] [ 3089] 0 3089 12490 152 135168 0 -1000 sshd [ 486.385670] [ 3124] 0 3124 3694 40 73728 0 0 getty [ 486.393816] [ 3125] 0 3125 3694 40 69632 0 0 getty [ 486.401954] [ 3126] 0 3126 3694 41 77824 0 0 getty [ 486.410094] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 486.418232] [ 3128] 0 3128 3694 41 69632 0 0 getty [ 486.426368] [ 3129] 0 3129 3694 40 77824 0 0 getty [ 486.434593] [ 3130] 0 3130 3649 41 73728 0 0 getty [ 486.442743] [ 3131] 0 3131 5681 454 86016 0 -1000 udevd [ 486.450886] [ 3132] 0 3132 5681 454 86016 0 -1000 udevd [ 486.459042] [ 3152] 0 3152 17821 197 188416 0 0 sshd [ 486.467112] [ 3154] 0 3154 280 1 32768 0 0 syzkaller642723 [ 486.476127] [ 3155] 0 3155 4371 522 36864 0 0 syzkaller642723 [ 486.485133] [ 3156] 0 3156 4371 522 36864 0 0 syzkaller642723 [ 486.494138] [ 3157] 0 3157 4371 522 36864 0 0 syzkaller642723 [ 486.503194] [ 3158] 0 3158 4371 522 36864 0 0 syzkaller642723 [ 486.512209] [ 3159] 0 3159 4371 522 36864 0 0 syzkaller642723 [ 486.521213] [ 3160] 0 3160 4371 522 36864 0 0 syzkaller642723 [ 486.530226] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller642723 [ 486.539235] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller642723 [ 486.548241] Out of memory: Kill process 3155 (syzkaller642723) score 0 or sacrifice child [ 486.556933] Killed process 3155 (syzkaller642723) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 486.570245] oom_reaper: reaped process 3155 (syzkaller642723), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 486.912504] rs:main Q:Reg invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 486.924535] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 486.929618] CPU: 0 PID: 3000 Comm: rs:main Q:Reg Not tainted 4.15.0-rc4-next-20171221+ #78 [ 486.938003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 486.947354] Call Trace: [ 486.949917] dump_stack+0x194/0x257 [ 486.953519] ? arch_local_irq_restore+0x53/0x53 [ 486.958161] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 486.963328] dump_header+0x28c/0xe2b [ 486.967028] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 486.972197] ? pagefault_out_of_memory+0x145/0x145 [ 486.977100] ? print_irqtrace_events+0x270/0x270 [ 486.981842] ? avc_has_perm_noaudit+0x37e/0x520 [ 486.986483] ? check_noncircular+0x20/0x20 [ 486.990697] ? reacquire_held_locks+0x1f9/0x3e0 [ 486.995335] ? reacquire_held_locks+0x1f9/0x3e0 [ 486.999973] ? check_noncircular+0x20/0x20 [ 487.004176] ? task_will_free_mem+0x252/0xaa0 [ 487.008639] ? check_noncircular+0x20/0x20 [ 487.012847] ? print_irqtrace_events+0x270/0x270 [ 487.017580] ? ___ratelimit+0x30d/0x630 [ 487.021525] ? lock_downgrade+0x980/0x980 [ 487.025647] ? lock_release+0xa40/0xa40 [ 487.029599] ? mark_held_locks+0xaf/0x100 [ 487.033725] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 487.038800] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 487.043787] ? trace_hardirqs_on+0xd/0x10 [ 487.047909] ? ___ratelimit+0x95/0x630 [ 487.051766] ? idr_get_free_cmn+0xfd0/0xfd0 [ 487.056060] ? check_noncircular+0x20/0x20 [ 487.060274] oom_kill_process+0x81b/0x9f0 [ 487.064391] ? oom_badness+0xd1/0x980 [ 487.068159] ? lock_release+0xa40/0xa40 [ 487.072107] ? oom_kill_memcg_member+0x20/0x20 [ 487.076663] ? oom_evaluate_task+0x480/0x480 [ 487.081053] ? out_of_memory+0xe1c/0x1790 [ 487.085173] ? lock_downgrade+0x980/0x980 [ 487.089296] ? lock_release+0xa40/0xa40 [ 487.093239] ? find_next_bit+0xcc/0x100 [ 487.097195] ? oom_evaluate_task+0x284/0x480 [ 487.101591] out_of_memory+0x9d5/0x1790 [ 487.105543] ? oom_killer_disable+0x310/0x310 [ 487.110017] ? mutex_trylock+0x23a/0x2d0 [ 487.114046] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 487.118948] ? __lock_is_held+0xb6/0x140 [ 487.122982] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 487.128414] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 487.133235] ? lock_downgrade+0x980/0x980 [ 487.137374] ? warn_alloc+0x2b0/0x2b0 [ 487.141149] ? lock_downgrade+0x980/0x980 [ 487.145280] ? __lock_is_held+0xb6/0x140 [ 487.149331] ? find_get_entry+0x53c/0x9e0 [ 487.153462] ? blk_init_request_from_bio+0x440/0x440 [ 487.158552] ? __lock_acquire+0x664/0x3e00 [ 487.162768] ? __lock_is_held+0xb6/0x140 [ 487.166814] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 487.172676] ? __might_sleep+0x95/0x190 [ 487.176634] __alloc_pages_nodemask+0x9fb/0xd80 [ 487.181286] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 487.186275] ? add_to_page_cache_lru+0x510/0x510 [ 487.191009] ? check_noncircular+0x20/0x20 [ 487.195220] ? check_noncircular+0x20/0x20 [ 487.199429] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 487.204170] alloc_pages_current+0xb6/0x1e0 [ 487.208477] __page_cache_alloc+0x334/0x500 [ 487.212770] ? rcu_read_lock_held+0xa9/0xc0 [ 487.217063] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 487.224401] filemap_fault+0xf34/0x1ca0 [ 487.228346] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 487.233513] ? __lock_page_or_retry+0x4f0/0x4f0 [ 487.238159] ? filemap_map_pages+0x942/0x15d0 [ 487.242636] ? find_get_entries_tag+0xeb0/0xeb0 [ 487.247276] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 487.252440] ? check_noncircular+0x20/0x20 [ 487.266636] ? print_irqtrace_events+0x270/0x270 [ 487.271369] ? print_irqtrace_events+0x270/0x270 [ 487.276098] ? print_irqtrace_events+0x270/0x270 [ 487.280831] ? lock_acquire+0x1d5/0x580 [ 487.284798] ? lock_acquire+0x1d5/0x580 [ 487.288739] ? lock_acquire+0x1d5/0x580 [ 487.292685] ? ext4_filemap_fault+0x7a/0xad [ 487.296978] ? __lock_acquire+0x664/0x3e00 [ 487.301185] ? lock_release+0xa40/0xa40 [ 487.305130] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 487.310986] ? rcu_note_context_switch+0x710/0x710 [ 487.315889] ? __might_sleep+0x95/0x190 [ 487.319836] ? down_read+0x96/0x150 [ 487.323432] ? ext4_filemap_fault+0x7a/0xad [ 487.327722] ? __down_interruptible+0x6b0/0x6b0 [ 487.332372] ext4_filemap_fault+0x82/0xad [ 487.336493] __do_fault+0xeb/0x30f [ 487.340004] ? pte_offset_kernel+0xc7/0xc7 [ 487.344210] ? do_raw_spin_trylock+0x190/0x190 [ 487.348765] ? check_noncircular+0x20/0x20 [ 487.352973] __handle_mm_fault+0x1d8f/0x3ce0 [ 487.357355] ? __pmd_alloc+0x4e0/0x4e0 [ 487.361222] ? find_held_lock+0x35/0x1d0 [ 487.365262] ? handle_mm_fault+0x2a0/0x930 [ 487.369469] ? lock_downgrade+0x980/0x980 [ 487.373608] handle_mm_fault+0x38f/0x930 [ 487.377637] ? down_read_trylock+0xdb/0x170 [ 487.381936] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 487.386485] ? vmacache_find+0x5f/0x280 [ 487.390434] ? find_vma+0x30/0x150 [ 487.393948] __do_page_fault+0x5c9/0xc90 [ 487.397978] ? kernel_read+0x120/0x120 [ 487.401841] ? mm_fault_error+0x2c0/0x2c0 [ 487.405970] ? avc_policy_seqno+0x9/0x20 [ 487.410004] ? selinux_file_permission+0x82/0x460 [ 487.414820] do_page_fault+0xee/0x720 [ 487.418592] ? __do_page_fault+0xc90/0xc90 [ 487.422794] ? __fdget_raw+0x20/0x20 [ 487.426481] ? vfs_write+0x224/0x510 [ 487.430166] ? fput+0xd2/0x140 [ 487.433328] ? SyS_write+0x184/0x220 [ 487.437013] ? retint_user+0x18/0x18 [ 487.440702] ? page_fault+0x36/0x60 [ 487.444301] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 487.449127] ? page_fault+0x36/0x60 [ 487.452732] page_fault+0x4c/0x60 [ 487.456162] RIP: 0033:0x7fe574fedf20 [ 487.459842] RSP: 002b:00007fe573d0a038 EFLAGS: 00010206 [ 487.465174] RAX: 00007fe5753459c0 RBX: 00007fe573d0a0c0 RCX: ffffffffffffffa8 [ 487.472415] RDX: 0000000000000005 RSI: 00007fe575114590 RDI: 00007fe5751103eb [ 487.479655] RBP: 0000000000000400 R08: 0000000000fb2680 R09: 0000000000f7f180 [ 487.486894] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000000b [ 487.494133] R13: 0000000000000015 R14: 0000000000000015 R15: 0000000000000540 [ 487.501472] Mem-Info: [ 487.504449] active_anon:5567 inactive_anon:33 isolated_anon:0 [ 487.504449] active_file:23 inactive_file:2 isolated_file:0 [ 487.504449] unevictable:0 dirty:0 writeback:0 unstable:0 [ 487.504449] slab_reclaimable:7179 slab_unreclaimable:83361 [ 487.504449] mapped:23 shmem:40 pagetables:310 bounce:0 [ 487.504449] free:24253 free_pcp:24 free_cma:0 [ 487.539982] Node 0 active_anon:22268kB inactive_anon:132kB active_file:108kB inactive_file:400kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 487.567845] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 487.594189] lowmem_reserve[]: 0 2875 6386 6386 [ 487.598810] Node 0 DMA32 free:43876kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 487.626116] lowmem_reserve[]: 0 0 3510 3510 [ 487.630465] Node 0 Normal free:36700kB min:37064kB low:46328kB high:55592kB active_anon:22268kB inactive_anon:132kB active_file:96kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1240kB bounce:0kB free_pcp:548kB local_pcp:0kB free_cma:0kB [ 487.659169] lowmem_reserve[]: 0 0 0 0 [ 487.663029] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 487.676706] Node 0 DMA32: 3*4kB (UM) 5*8kB (UM) 3*16kB (M) 6*32kB (UM) 3*64kB (UM) 3*128kB (UM) 4*256kB (UM) 4*512kB (UM) 3*1024kB (M) 2*2048kB (M) 8*4096kB (M) = 43876kB [ 487.713252] Node 0 Normal: 425*4kB (UME) 287*8kB (UM) 225*16kB (UME) 149*32kB (UM) 91*64kB (UM) 37*128kB (M) 29*256kB (M) 10*512kB (UM) 1*1024kB (M) 0*2048kB 0*4096kB = 36492kB [ 487.730148] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 487.739664] 70 total pagecache pages [ 487.744330] 0 pages in swap cache [ 487.748651] Swap cache stats: add 0, delete 0, find 0/0 [ 487.754870] Free swap = 0kB [ 487.758740] Total swap = 0kB [ 487.762417] 1965979 pages RAM [ 487.765954] 0 pages HighMem/MovableOnly [ 487.770697] 326511 pages reserved [ 487.774916] Unreclaimable slab info: [ 487.778747] Name Used Total [ 487.784339] hashtab_node 118KB 119KB [ 487.789714] ebitmap_node 382KB 385KB [ 487.795090] avtab_node 1012KB 1013KB [ 487.800464] TIPC 1KB 7KB [ 487.805824] SCTPv6 2KB 4KB [ 487.811193] DCCPv6 2KB 7KB [ 487.816565] DCCP 2KB 6KB [ 487.821935] fib6_nodes 0KB 4KB [ 487.827998] ip6_dst_cache 6KB 7KB [ 487.833391] RAWv6 9KB 13KB [ 487.838760] UDPv6 12KB 14KB [ 487.844129] TCPv6 2KB 5KB [ 487.849508] sd_ext_cdb 0KB 3KB [ 487.854866] scsi_sense_cache 160KB 160KB [ 487.860233] virtio_scsi_cmd 16KB 16KB [ 487.865651] sgpool-128 8KB 8KB [ 487.871034] sgpool-64 4KB 6KB [ 487.876405] sgpool-32 322KB 322KB [ 487.881774] sgpool-16 97KB 97KB [ 487.887143] sgpool-8 255KB 255KB [ 487.892515] cfq_io_cq 18KB 19KB [ 487.897873] cfq_queue 27KB 30KB [ 487.903240] mqueue_inode_cache 1KB 7KB [ 487.908703] nfs_commit_data 3KB 7KB [ 487.914081] nfs_write_data 34KB 37KB [ 487.919455] jbd2_inode 1KB 3KB [ 487.924824] ext4_system_zone 0KB 3KB [ 487.930199] bio-1 1KB 3KB [ 487.935580] rpc_buffers 17KB 19KB [ 487.940939] rpc_tasks 2KB 3KB [ 487.946304] UNIX 1506KB 1533KB [ 487.951681] tcp_bind_bucket 0KB 4KB [ 487.957057] ip_fib_trie 0KB 3KB [ 487.962999] ip_fib_alias 0KB 3KB [ 487.968403] ip_dst_cache 3KB 8KB [ 487.973773] RAW 5KB 7KB [ 487.979142] UDP 29KB 31KB [ 487.984519] TCP 7KB 7KB [ 487.989878] hugetlbfs_inode_cache 1KB 7KB [ 487.995592] eventpoll_pwq 9KB 11KB [ 488.000950] eventpoll_epi 18KB 23KB [ 488.006313] inotify_inode_mark 4KB 7KB [ 488.011772] request_queue 31KB 33KB [ 488.017141] blkdev_ioc 25KB 27KB [ 488.022514] bio-0 487KB 487KB [ 488.027883] biovec-(1<<(21-12)) 528KB 528KB [ 488.033422] biovec-128 280KB 280KB [ 488.038780] biovec-64 283KB 283KB [ 488.044144] biovec-16 48KB 48KB [ 488.049516] bio_integrity_payload 0KB 4KB [ 488.055233] khugepaged_mm_slot 0KB 3KB [ 488.060695] uid_cache 0KB 3KB [ 488.066069] dmaengine-unmap-2 0KB 3KB [ 488.071439] audit_buffer 0KB 3KB [ 488.076794] skbuff_fclone_cache 131KB 135KB [ 488.082333] skbuff_head_cache 1678KB 1695KB [ 488.087708] configfs_dir_cache 0KB 4KB [ 488.093168] file_lock_cache 148KB 150KB [ 488.099122] file_lock_ctx 1KB 3KB [ 488.104503] fsnotify_mark_connector 2KB 3KB [ 488.110400] shmem_inode_cache 879KB 879KB [ 488.115771] task_delay_info 276KB 383KB [ 488.121141] sigqueue 316KB 322KB [ 488.126518] kernfs_node_cache 1840KB 1842KB [ 488.131878] mnt_cache 14KB 20KB [ 488.137244] filp 8216KB 8253KB [ 488.142619] names_cache 114040KB 114078KB [ 488.147982] avc_node 37KB 43KB [ 488.153348] selinux_file_security 408KB 418KB [ 488.159070] selinux_inode_security 1889KB 1896KB [ 488.164865] key_jar 3KB 7KB [ 488.170232] nsproxy 0KB 3KB [ 488.175605] vm_area_struct 16902KB 16922KB [ 488.180965] mm_struct 3943KB 3976KB [ 488.186333] fs_cache 366KB 464KB [ 488.191709] files_cache 1372KB 1605KB [ 488.197087] signal_cache 2208KB 2508KB [ 488.202462] sighand_cache 233KB 277KB [ 488.207821] task_struct 9389KB 9389KB [ 488.213189] cred_jar 2194KB 2212KB [ 488.218562] anon_vma_chain 6897KB 6914KB [ 488.223921] anon_vma 137KB 246KB [ 488.229294] pid 192KB 292KB [ 488.235217] Acpi-Operand 106KB 170KB [ 488.240596] Acpi-Namespace 19KB 23KB [ 488.245958] numa_policy 0KB 3KB [ 488.251326] debug_objects_cache 437KB 438KB [ 488.256858] trace_event_file 144KB 147KB [ 488.262224] ftrace_event_field 254KB 255KB [ 488.267686] pool_workqueue 21KB 24KB [ 488.273064] page->ptl 2724KB 2727KB [ 488.278459] kmalloc-262144 1032KB 1032KB [ 488.283816] kmalloc-131072 650KB 650KB [ 488.289178] kmalloc-65536 264KB 264KB [ 488.294550] kmalloc-32768 462KB 462KB [ 488.299910] kmalloc-16384 148KB 148KB [ 488.305277] kmalloc-8192 412KB 412KB [ 488.310655] kmalloc-4096 7977KB 8015KB [ 488.316037] kmalloc-2048 2989KB 2996KB [ 488.321412] kmalloc-1024 4110KB 4110KB [ 488.326773] kmalloc-512 2962KB 3183KB [ 488.332137] kmalloc-256 1552KB 1878KB [ 488.337511] kmalloc-128 386KB 507KB [ 488.342871] kmalloc-96 1960KB 1960KB [ 488.348235] kmalloc-64 2320KB 2320KB [ 488.353610] kmalloc-32 2299KB 2299KB [ 488.359095] kmalloc-192 804KB 804KB [ 488.364470] kmem_cache 96KB 97KB [ 488.370465] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 488.379150] [ 1606] 0 1606 5366 167 90112 0 -1000 udevd [ 488.387396] [ 2999] 0 2999 30649 183 118784 0 0 rsyslogd [ 488.395806] [ 3054] 0 3054 3736 44 69632 0 0 mcstransd [ 488.404311] [ 3056] 0 3056 4725 51 81920 0 0 cron [ 488.412388] [ 3089] 0 3089 12490 152 135168 0 -1000 sshd [ 488.420464] [ 3124] 0 3124 3694 40 73728 0 0 getty [ 488.428653] [ 3125] 0 3125 3694 40 69632 0 0 getty [ 488.436803] [ 3126] 0 3126 3694 41 77824 0 0 getty [ 488.444942] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 488.453099] [ 3128] 0 3128 3694 41 69632 0 0 getty [ 488.461265] [ 3129] 0 3129 3694 40 77824 0 0 getty [ 488.469428] [ 3130] 0 3130 3649 41 73728 0 0 getty [ 488.477591] [ 3131] 0 3131 5681 454 86016 0 -1000 udevd [ 488.485748] [ 3132] 0 3132 5681 454 86016 0 -1000 udevd [ 488.493894] [ 3152] 0 3152 17821 197 188416 0 0 sshd [ 488.502673] [ 3154] 0 3154 280 1 32768 0 0 syzkaller642723 [ 488.511722] [ 3155] 0 3155 4371 0 32768 0 0 syzkaller642723 [ 488.520747] [ 3156] 0 3156 4371 522 36864 0 0 syzkaller642723 [ 488.529756] [ 3157] 0 3157 4371 522 36864 0 0 syzkaller642723 [ 488.538765] [ 3158] 0 3158 4371 522 36864 0 0 syzkaller642723 [ 488.547774] [ 3159] 0 3159 4371 522 36864 0 0 syzkaller642723 [ 488.556793] [ 3160] 0 3160 4371 522 36864 0 0 syzkaller642723 [ 488.565804] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller642723 [ 488.574814] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller642723 [ 488.583829] Out of memory: Kill process 3156 (syzkaller642723) score 0 or sacrifice child [ 488.593006] Killed process 3156 (syzkaller642723) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 488.605809] oom_reaper: reaped process 3156 (syzkaller642723), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 488.848371] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 488.859853] rsyslogd cpuset=/ mems_allowed=0 [ 488.864303] CPU: 1 PID: 3002 Comm: rsyslogd Not tainted 4.15.0-rc4-next-20171221+ #78 [ 488.872246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 488.881571] Call Trace: [ 488.884136] dump_stack+0x194/0x257 [ 488.887754] ? arch_local_irq_restore+0x53/0x53 [ 488.892398] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 488.897571] dump_header+0x28c/0xe2b [ 488.901263] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 488.906430] ? pagefault_out_of_memory+0x145/0x145 [ 488.911338] ? print_irqtrace_events+0x270/0x270 [ 488.916071] ? avc_has_perm_noaudit+0x37e/0x520 [ 488.920713] ? check_noncircular+0x20/0x20 [ 488.924920] ? check_noncircular+0x20/0x20 [ 488.929127] ? print_irqtrace_events+0x270/0x270 [ 488.933860] ? reacquire_held_locks+0x1f9/0x3e0 [ 488.938500] ? reacquire_held_locks+0x1f9/0x3e0 [ 488.943141] ? check_noncircular+0x20/0x20 [ 488.947350] ? task_will_free_mem+0x252/0xaa0 [ 488.951814] ? check_noncircular+0x20/0x20 [ 488.956026] ? print_irqtrace_events+0x270/0x270 [ 488.960761] ? ___ratelimit+0x30d/0x630 [ 488.964707] ? lock_downgrade+0x980/0x980 [ 488.968831] ? lock_release+0xa40/0xa40 [ 488.972789] ? mark_held_locks+0xaf/0x100 [ 488.976910] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 488.981986] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 488.986974] ? trace_hardirqs_on+0xd/0x10 [ 488.991096] ? ___ratelimit+0x95/0x630 [ 488.994957] ? idr_get_free_cmn+0xfd0/0xfd0 [ 488.999252] ? check_noncircular+0x20/0x20 [ 489.003467] oom_kill_process+0x81b/0x9f0 [ 489.007586] ? oom_badness+0xd1/0x980 [ 489.011357] ? lock_release+0xa40/0xa40 [ 489.015307] ? oom_kill_memcg_member+0x20/0x20 [ 489.019865] ? oom_evaluate_task+0x480/0x480 [ 489.024254] ? out_of_memory+0xe1c/0x1790 [ 489.028372] ? lock_downgrade+0x980/0x980 [ 489.032496] ? lock_release+0xa40/0xa40 [ 489.036439] ? find_next_bit+0xcc/0x100 [ 489.040397] ? oom_evaluate_task+0x284/0x480 [ 489.044792] out_of_memory+0x9d5/0x1790 [ 489.048736] ? pick_next_entity+0x197/0x400 [ 489.053038] ? oom_killer_disable+0x310/0x310 [ 489.057512] ? mutex_trylock+0x23a/0x2d0 [ 489.061541] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 489.066443] ? __lock_is_held+0xb6/0x140 [ 489.070476] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 489.075910] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 489.080731] ? trace_hardirqs_on+0xd/0x10 [ 489.084870] ? warn_alloc+0x2b0/0x2b0 [ 489.088641] ? lock_downgrade+0x980/0x980 [ 489.092771] ? radix_tree_lookup_slot+0x99/0xe0 [ 489.097426] ? find_get_entry+0x53c/0x9e0 [ 489.101568] ? __lock_acquire+0x664/0x3e00 [ 489.105789] ? __lock_is_held+0xb6/0x140 [ 489.109839] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 489.115710] ? __might_sleep+0x95/0x190 [ 489.119662] __alloc_pages_nodemask+0x9fb/0xd80 [ 489.124312] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 489.129301] ? add_to_page_cache_lru+0x510/0x510 [ 489.134037] ? check_noncircular+0x20/0x20 [ 489.138241] ? check_noncircular+0x20/0x20 [ 489.142456] ? lock_acquire+0x1d5/0x580 [ 489.146425] alloc_pages_current+0xb6/0x1e0 [ 489.150724] __page_cache_alloc+0x334/0x500 [ 489.155020] ? rcu_read_lock_held+0xa9/0xc0 [ 489.159316] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 489.166658] filemap_fault+0xf34/0x1ca0 [ 489.170605] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 489.175785] ? __lock_page_or_retry+0x4f0/0x4f0 [ 489.180435] ? filemap_map_pages+0x942/0x15d0 [ 489.184916] ? find_get_entries_tag+0xeb0/0xeb0 [ 489.189556] ? copy_overflow+0x20/0x20 [ 489.193428] ? check_noncircular+0x20/0x20 [ 489.197645] ? print_irqtrace_events+0x270/0x270 [ 489.202457] ? print_irqtrace_events+0x270/0x270 [ 489.207203] ? print_irqtrace_events+0x270/0x270 [ 489.211937] ? __sched_text_start+0x8/0x8 [ 489.216068] ? lock_acquire+0x1d5/0x580 [ 489.220016] ? lock_acquire+0x1d5/0x580 [ 489.223962] ? ext4_filemap_fault+0x7a/0xad [ 489.228263] ? lock_release+0xa40/0xa40 [ 489.232209] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 489.238076] ? rcu_note_context_switch+0x710/0x710 [ 489.242981] ? __might_sleep+0x95/0x190 [ 489.246929] ? down_read+0x96/0x150 [ 489.250525] ? ext4_filemap_fault+0x7a/0xad [ 489.254817] ? __down_interruptible+0x6b0/0x6b0 [ 489.259469] ext4_filemap_fault+0x82/0xad [ 489.263592] __do_fault+0xeb/0x30f [ 489.267105] ? pte_offset_kernel+0xc7/0xc7 [ 489.271316] ? do_raw_spin_trylock+0x190/0x190 [ 489.275874] ? check_noncircular+0x20/0x20 [ 489.280085] __handle_mm_fault+0x1d8f/0x3ce0 [ 489.284473] ? __pmd_alloc+0x4e0/0x4e0 [ 489.288338] ? find_held_lock+0x35/0x1d0 [ 489.292380] ? handle_mm_fault+0x2a0/0x930 [ 489.296590] ? lock_downgrade+0x980/0x980 [ 489.300736] handle_mm_fault+0x38f/0x930 [ 489.304765] ? down_read_trylock+0xdb/0x170 [ 489.309061] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 489.313613] ? vmacache_find+0x5f/0x280 [ 489.317562] ? find_vma+0x30/0x150 [ 489.321086] __do_page_fault+0x5c9/0xc90 [ 489.325119] ? vma_set_page_prot+0x16b/0x230 [ 489.329506] ? mm_fault_error+0x2c0/0x2c0 [ 489.333631] ? up_write+0x6b/0x120 [ 489.337148] do_page_fault+0xee/0x720 [ 489.340923] ? __do_page_fault+0xc90/0xc90 [ 489.345133] ? do_mprotect_pkey+0x21e/0x900 [ 489.349446] ? retint_user+0x18/0x18 [ 489.353134] ? page_fault+0x36/0x60 [ 489.356735] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 489.361551] ? page_fault+0x36/0x60 [ 489.365150] page_fault+0x4c/0x60 [ 489.368575] RIP: 0033:0x7fe575041d50 [ 489.372257] RSP: 002b:00007fe572d08c38 EFLAGS: 00010246 [ 489.377591] RAX: 0000000000f80140 RBX: 00007fe572d08cd0 RCX: 0000000000000001 [ 489.384833] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000f80150 [ 489.392083] RBP: 00007fe572d08cdc R08: 0000000000000000 R09: 0000000000000001 [ 489.399324] R10: 00007fe572d08d00 R11: 0000000000043b50 R12: 00007fe575349540 [ 489.406577] R13: 0000000000f80150 R14: 0000000000000000 R15: 0000000000000000 [ 489.413938] Mem-Info: [ 489.416768] active_anon:5050 inactive_anon:33 isolated_anon:0 [ 489.416768] active_file:0 inactive_file:3 isolated_file:0 [ 489.416768] unevictable:0 dirty:0 writeback:0 unstable:0 [ 489.416768] slab_reclaimable:7176 slab_unreclaimable:83346 [ 489.416768] mapped:2 shmem:40 pagetables:309 bounce:0 [ 489.416768] free:24034 free_pcp:0 free_cma:0 [ 489.448585] Node 0 active_anon:20200kB inactive_anon:132kB active_file:0kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 489.475316] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 489.501466] lowmem_reserve[]: 0 2875 6386 6386 [ 489.506076] Node 0 DMA32 free:43876kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 489.533713] lowmem_reserve[]: 0 0 3510 3510 [ 489.538065] Node 0 Normal free:36728kB min:37064kB low:46328kB high:55592kB active_anon:20200kB inactive_anon:132kB active_file:40kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1236kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 489.567195] lowmem_reserve[]: 0 0 0 0 [ 489.571054] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 489.584688] Node 0 DMA32: 3*4kB (UM) 5*8kB (UM) 3*16kB (M) 6*32kB (UM) 3*64kB (UM) 3*128kB (UM) 4*256kB (UM) 4*512kB (UM) 3*1024kB (M) 2*2048kB (M) 8*4096kB (M) = 43876kB [ 489.600112] Node 0 Normal: 427*4kB (UME) 285*8kB (UM) 227*16kB (UME) 149*32kB (UM) 91*64kB (UM) 38*128kB (UM) 30*256kB (UM) 10*512kB (UM) 1*1024kB (M) 0*2048kB 0*4096kB = 36900kB [ 489.616271] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 489.624853] 69 total pagecache pages [ 489.628584] 0 pages in swap cache [ 489.632043] Swap cache stats: add 0, delete 0, find 0/0 [ 489.637414] Free swap = 0kB [ 489.640426] Total swap = 0kB [ 489.643444] 1965979 pages RAM [ 489.646554] 0 pages HighMem/MovableOnly [ 489.650514] 326511 pages reserved [ 489.653965] Unreclaimable slab info: [ 489.657671] Name Used Total [ 489.663211] hashtab_node 118KB 119KB [ 489.668589] ebitmap_node 382KB 385KB [ 489.673959] avtab_node 1012KB 1013KB [ 489.679333] TIPC 1KB 7KB [ 489.684699] SCTPv6 2KB 4KB [ 489.690076] DCCPv6 2KB 7KB [ 489.695852] DCCP 2KB 6KB [ 489.701237] fib6_nodes 0KB 4KB [ 489.706600] ip6_dst_cache 6KB 7KB [ 489.711970] RAWv6 9KB 13KB [ 489.717343] UDPv6 12KB 14KB [ 489.722705] TCPv6 2KB 5KB [ 489.728081] sd_ext_cdb 0KB 3KB [ 489.733440] scsi_sense_cache 164KB 164KB [ 489.738794] virtio_scsi_cmd 16KB 16KB [ 489.744166] sgpool-128 8KB 8KB [ 489.749523] sgpool-64 4KB 6KB [ 489.754877] sgpool-32 346KB 346KB [ 489.760291] sgpool-16 97KB 97KB [ 489.765657] sgpool-8 255KB 255KB [ 489.771041] cfq_io_cq 17KB 19KB [ 489.776423] cfq_queue 26KB 30KB [ 489.781783] mqueue_inode_cache 1KB 7KB [ 489.787239] nfs_commit_data 3KB 7KB [ 489.792600] nfs_write_data 34KB 37KB [ 489.797973] jbd2_inode 1KB 3KB [ 489.803348] ext4_system_zone 0KB 3KB [ 489.808716] bio-1 1KB 3KB [ 489.814092] rpc_buffers 17KB 19KB [ 489.819449] rpc_tasks 2KB 3KB [ 489.825434] UNIX 1454KB 1515KB [ 489.830798] tcp_bind_bucket 0KB 4KB [ 489.836183] ip_fib_trie 0KB 3KB [ 489.841542] ip_fib_alias 0KB 3KB [ 489.846894] ip_dst_cache 3KB 8KB [ 489.852260] RAW 5KB 7KB [ 489.857618] UDP 29KB 31KB [ 489.862971] TCP 7KB 7KB [ 489.868340] hugetlbfs_inode_cache 1KB 7KB [ 489.874049] eventpoll_pwq 9KB 11KB [ 489.879419] eventpoll_epi 18KB 23KB [ 489.884774] inotify_inode_mark 4KB 7KB [ 489.890229] request_queue 31KB 33KB [ 489.895589] blkdev_ioc 23KB 27KB [ 489.900954] bio-0 491KB 491KB [ 489.906326] biovec-(1<<(21-12)) 528KB 528KB [ 489.911863] biovec-128 293KB 293KB [ 489.917231] biovec-64 283KB 283KB [ 489.922591] biovec-16 48KB 48KB [ 489.927956] bio_integrity_payload 0KB 4KB [ 489.933661] khugepaged_mm_slot 0KB 3KB [ 489.939155] uid_cache 0KB 3KB [ 489.944529] dmaengine-unmap-2 0KB 3KB [ 489.949895] audit_buffer 0KB 3KB [ 489.955800] skbuff_fclone_cache 131KB 135KB [ 489.961347] skbuff_head_cache 1671KB 1695KB [ 489.966702] configfs_dir_cache 0KB 4KB [ 489.972155] file_lock_cache 148KB 150KB [ 489.977523] file_lock_ctx 1KB 3KB [ 489.982876] fsnotify_mark_connector 2KB 3KB [ 489.988751] shmem_inode_cache 879KB 879KB [ 489.994119] task_delay_info 276KB 383KB [ 489.999476] sigqueue 315KB 322KB [ 490.004830] kernfs_node_cache 1840KB 1842KB [ 490.010197] mnt_cache 14KB 20KB [ 490.015554] filp 8175KB 8216KB [ 490.020907] names_cache 114023KB 114061KB [ 490.026279] avc_node 37KB 43KB [ 490.031652] selinux_file_security 404KB 418KB [ 490.037364] selinux_inode_security 1888KB 1896KB [ 490.043170] key_jar 3KB 7KB [ 490.048540] nsproxy 0KB 3KB [ 490.053905] vm_area_struct 16899KB 16918KB [ 490.059301] mm_struct 3943KB 3976KB [ 490.064680] fs_cache 366KB 464KB [ 490.070049] files_cache 1372KB 1605KB [ 490.075406] signal_cache 2200KB 2508KB [ 490.080758] sighand_cache 210KB 277KB [ 490.086129] task_struct 9389KB 9389KB [ 490.091900] cred_jar 2192KB 2212KB [ 490.097264] anon_vma_chain 6897KB 6914KB [ 490.102633] anon_vma 131KB 246KB [ 490.108031] pid 192KB 292KB [ 490.113410] Acpi-Operand 106KB 170KB [ 490.118772] Acpi-Namespace 19KB 23KB [ 490.124140] numa_policy 0KB 3KB [ 490.129507] debug_objects_cache 437KB 438KB [ 490.135049] trace_event_file 144KB 147KB [ 490.140427] ftrace_event_field 254KB 255KB [ 490.145872] pool_workqueue 21KB 24KB [ 490.151242] page->ptl 2724KB 2727KB [ 490.156617] kmalloc-262144 1032KB 1032KB [ 490.161984] kmalloc-131072 650KB 650KB [ 490.167357] kmalloc-65536 264KB 264KB [ 490.172723] kmalloc-32768 462KB 462KB [ 490.178093] kmalloc-16384 148KB 148KB [ 490.183455] kmalloc-8192 412KB 412KB [ 490.188808] kmalloc-4096 7960KB 7998KB [ 490.194177] kmalloc-2048 2989KB 2996KB [ 490.199538] kmalloc-1024 4126KB 4126KB [ 490.204892] kmalloc-512 2921KB 3142KB [ 490.210262] kmalloc-256 1540KB 1871KB [ 490.215625] kmalloc-128 385KB 507KB [ 490.220994] kmalloc-96 1960KB 1960KB [ 490.226843] kmalloc-64 2317KB 2320KB [ 490.232199] kmalloc-32 2291KB 2299KB [ 490.237552] kmalloc-192 802KB 804KB [ 490.242917] kmem_cache 96KB 97KB [ 490.248287] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 490.256901] [ 1606] 0 1606 5366 167 90112 0 -1000 udevd [ 490.265079] [ 2999] 0 2999 30649 188 118784 0 0 rsyslogd [ 490.273501] [ 3054] 0 3054 3736 44 69632 0 0 mcstransd [ 490.282012] [ 3056] 0 3056 4725 51 81920 0 0 cron [ 490.290099] [ 3089] 0 3089 12490 152 135168 0 -1000 sshd [ 490.298168] [ 3124] 0 3124 3694 40 73728 0 0 getty [ 490.306332] [ 3125] 0 3125 3694 40 69632 0 0 getty [ 490.314493] [ 3126] 0 3126 3694 41 77824 0 0 getty [ 490.322661] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 490.330814] [ 3128] 0 3128 3694 41 69632 0 0 getty [ 490.338970] [ 3129] 0 3129 3694 40 77824 0 0 getty [ 490.347138] [ 3130] 0 3130 3649 41 73728 0 0 getty [ 490.355284] [ 3131] 0 3131 5681 454 86016 0 -1000 udevd [ 490.363464] [ 3132] 0 3132 5681 454 86016 0 -1000 udevd [ 490.371627] [ 3152] 0 3152 17821 197 188416 0 0 sshd [ 490.379707] [ 3154] 0 3154 280 1 32768 0 0 syzkaller642723 [ 490.388735] [ 3155] 0 3155 4371 0 32768 0 0 syzkaller642723 [ 490.397763] [ 3156] 0 3156 4371 0 32768 0 0 syzkaller642723 [ 490.406795] [ 3157] 0 3157 4371 522 36864 0 0 syzkaller642723 [ 490.415825] [ 3158] 0 3158 4371 522 36864 0 0 syzkaller642723 [ 490.424851] [ 3159] 0 3159 4371 522 36864 0 0 syzkaller642723 [ 490.433875] [ 3160] 0 3160 4371 522 36864 0 0 syzkaller642723 [ 490.442901] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller642723 [ 490.451924] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller642723 [ 490.460942] Out of memory: Kill process 3157 (syzkaller642723) score 0 or sacrifice child [ 490.470101] Killed process 3157 (syzkaller642723) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 490.482627] oom_reaper: reaped process 3157 (syzkaller642723), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 490.563176] rs:main Q:Reg invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 490.575041] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 490.579913] CPU: 1 PID: 3000 Comm: rs:main Q:Reg Not tainted 4.15.0-rc4-next-20171221+ #78 [ 490.588295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 490.597636] Call Trace: [ 490.600210] dump_stack+0x194/0x257 [ 490.603817] ? arch_local_irq_restore+0x53/0x53 [ 490.608470] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 490.613660] dump_header+0x28c/0xe2b [ 490.617369] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 490.622547] ? pagefault_out_of_memory+0x145/0x145 [ 490.627470] ? print_irqtrace_events+0x270/0x270 [ 490.632223] ? avc_has_perm_noaudit+0x37e/0x520 [ 490.636879] ? check_noncircular+0x20/0x20 [ 490.641100] ? check_noncircular+0x20/0x20 [ 490.645324] ? print_irqtrace_events+0x270/0x270 [ 490.650070] ? reacquire_held_locks+0x1f9/0x3e0 [ 490.654718] ? reacquire_held_locks+0x1f9/0x3e0 [ 490.659373] ? check_noncircular+0x20/0x20 [ 490.663590] ? task_will_free_mem+0x252/0xaa0 [ 490.668065] ? check_noncircular+0x20/0x20 [ 490.672308] ? print_irqtrace_events+0x270/0x270 [ 490.677062] ? ___ratelimit+0x30d/0x630 [ 490.681022] ? lock_downgrade+0x980/0x980 [ 490.685164] ? lock_release+0xa40/0xa40 [ 490.689130] ? mark_held_locks+0xaf/0x100 [ 490.693267] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 490.698358] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 490.703358] ? trace_hardirqs_on+0xd/0x10 [ 490.707497] ? ___ratelimit+0x95/0x630 [ 490.711373] ? idr_get_free_cmn+0xfd0/0xfd0 [ 490.715682] ? check_noncircular+0x20/0x20 [ 490.719919] oom_kill_process+0x81b/0x9f0 [ 490.724046] ? oom_badness+0xd1/0x980 [ 490.727821] ? lock_release+0xa40/0xa40 [ 490.731774] ? oom_kill_memcg_member+0x20/0x20 [ 490.736334] ? oom_evaluate_task+0x480/0x480 [ 490.740722] ? out_of_memory+0xe1c/0x1790 [ 490.744842] ? lock_downgrade+0x980/0x980 [ 490.748966] ? lock_release+0xa40/0xa40 [ 490.752925] ? oom_evaluate_task+0x284/0x480 [ 490.757311] out_of_memory+0x9d5/0x1790 [ 490.761272] ? oom_killer_disable+0x310/0x310 [ 490.765748] ? mutex_trylock+0x23a/0x2d0 [ 490.769788] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 490.774692] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 490.780114] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 490.785983] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 490.790807] ? trace_hardirqs_on+0xd/0x10 [ 490.794946] ? warn_alloc+0x2b0/0x2b0 [ 490.798718] ? lock_downgrade+0x980/0x980 [ 490.802847] ? radix_tree_lookup_slot+0x99/0xe0 [ 490.807505] ? find_get_entry+0x53c/0x9e0 [ 490.811656] ? __lock_acquire+0x664/0x3e00 [ 490.815894] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 490.821760] ? __might_sleep+0x95/0x190 [ 490.825712] __alloc_pages_nodemask+0x9fb/0xd80 [ 490.830361] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 490.835352] ? add_to_page_cache_lru+0x510/0x510 [ 490.840087] ? check_noncircular+0x20/0x20 [ 490.844305] ? check_noncircular+0x20/0x20 [ 490.848515] ? update_load_avg+0x249/0x2d80 [ 490.852811] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 490.857560] alloc_pages_current+0xb6/0x1e0 [ 490.861857] __page_cache_alloc+0x334/0x500 [ 490.866152] ? rcu_read_lock_held+0xa9/0xc0 [ 490.870448] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 490.877791] filemap_fault+0xf34/0x1ca0 [ 490.881737] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 490.886919] ? __lock_page_or_retry+0x4f0/0x4f0 [ 490.891569] ? filemap_map_pages+0x942/0x15d0 [ 490.896038] ? check_noncircular+0x20/0x20 [ 490.900254] ? find_get_entries_tag+0xeb0/0xeb0 [ 490.904900] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 490.910063] ? check_noncircular+0x20/0x20 [ 490.914276] ? print_irqtrace_events+0x270/0x270 [ 490.919003] ? print_irqtrace_events+0x270/0x270 [ 490.923753] ? lock_acquire+0x1d5/0x580 [ 490.927696] ? lock_acquire+0x1d5/0x580 [ 490.931643] ? ext4_filemap_fault+0x7a/0xad [ 490.935937] ? __lock_acquire+0x664/0x3e00 [ 490.940148] ? lock_release+0xa40/0xa40 [ 490.944094] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 490.949948] ? switched_to_fair+0xb0/0xb0 [ 490.954069] ? rcu_note_context_switch+0x710/0x710 [ 490.958976] ? __might_sleep+0x95/0x190 [ 490.962924] ? down_read+0x96/0x150 [ 490.966520] ? ext4_filemap_fault+0x7a/0xad [ 490.970813] ? __down_interruptible+0x6b0/0x6b0 [ 490.975465] ext4_filemap_fault+0x82/0xad [ 490.979589] __do_fault+0xeb/0x30f [ 490.983105] ? pte_offset_kernel+0xc7/0xc7 [ 490.987319] ? lock_release+0xa40/0xa40 [ 490.991264] ? compat_start_thread+0x80/0x80 [ 490.995660] ? _raw_spin_unlock_irq+0x27/0x70 [ 491.000129] ? check_noncircular+0x20/0x20 [ 491.004343] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 491.009348] __handle_mm_fault+0x1d8f/0x3ce0 [ 491.013744] ? __pmd_alloc+0x4e0/0x4e0 [ 491.017625] ? find_held_lock+0x35/0x1d0 [ 491.021666] ? handle_mm_fault+0x2a0/0x930 [ 491.025874] ? lock_downgrade+0x980/0x980 [ 491.030029] handle_mm_fault+0x38f/0x930 [ 491.034063] ? down_read_trylock+0xdb/0x170 [ 491.038359] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 491.042917] ? vmacache_find+0x5f/0x280 [ 491.046866] ? find_vma+0x30/0x150 [ 491.050385] __do_page_fault+0x5c9/0xc90 [ 491.054425] ? mm_fault_error+0x2c0/0x2c0 [ 491.058557] do_page_fault+0xee/0x720 [ 491.062328] ? trace_hardirqs_off+0xd/0x10 [ 491.066536] ? __do_page_fault+0xc90/0xc90 [ 491.070747] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 491.076257] ? vfs_write+0x224/0x510 [ 491.079943] ? fput+0xd2/0x140 [ 491.083112] ? retint_user+0x18/0x18 [ 491.086811] ? page_fault+0x36/0x60 [ 491.090410] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 491.095229] ? page_fault+0x36/0x60 [ 491.098831] page_fault+0x4c/0x60 [ 491.102265] RIP: 0033:0x7fe575041d81 [ 491.105947] RSP: 002b:00007fe573d09f28 EFLAGS: 00010202 [ 491.111282] RAX: 00007fe575111ab0 RBX: 00007fe575111abf RCX: 000000000000003f [ 491.118521] RDX: 00007fe575114590 RSI: 0000000000000001 RDI: 00007fe575111abf [ 491.125770] RBP: 00007fe573d0a030 R08: 0000000000000000 R09: 0000000000000005 [ 491.133023] R10: 0000000000000000 R11: 0000000000000001 R12: 000000000000000b [ 491.140267] R13: 0000000000000015 R14: 0000000000000015 R15: 0000000000000540 [ 491.147652] Mem-Info: [ 491.158876] active_anon:4533 inactive_anon:33 isolated_anon:0 [ 491.158876] active_file:18 inactive_file:11 isolated_file:0 [ 491.158876] unevictable:0 dirty:0 writeback:0 unstable:0 [ 491.158876] slab_reclaimable:7176 slab_unreclaimable:83358 [ 491.158876] mapped:2 shmem:40 pagetables:308 bounce:0 [ 491.158876] free:24253 free_pcp:52 free_cma:0 [ 491.191349] Node 0 active_anon:18132kB inactive_anon:132kB active_file:72kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 491.218214] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 491.244355] lowmem_reserve[]: 0 2875 6386 6386 [ 491.248959] Node 0 DMA32 free:43876kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 491.276183] lowmem_reserve[]: 0 0 3510 3510 [ 491.280532] Node 0 Normal free:36724kB min:37064kB low:46328kB high:55592kB active_anon:18132kB inactive_anon:132kB active_file:72kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1232kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 491.309816] lowmem_reserve[]: 0 0 0 0 [ 491.313641] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 491.327238] Node 0 DMA32: 3*4kB (UM) 5*8kB (UM) 3*16kB (M) 6*32kB (UM) 3*64kB (UM) 3*128kB (UM) 4*256kB (UM) 4*512kB (UM) 3*1024kB (M) 2*2048kB (M) 8*4096kB (M) = 43876kB [ 491.342741] Node 0 Normal: 427*4kB (UME) 286*8kB (UM) 226*16kB (UME) 149*32kB (UM) 91*64kB (UM) 38*128kB (UM) 30*256kB (UM) 10*512kB (UM) 1*1024kB (M) 0*2048kB 0*4096kB = 36892kB [ 491.359005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 491.367600] 70 total pagecache pages [ 491.371324] 0 pages in swap cache [ 491.374781] Swap cache stats: add 0, delete 0, find 0/0 [ 491.380152] Free swap = 0kB [ 491.383175] Total swap = 0kB [ 491.386200] 1965979 pages RAM [ 491.389310] 0 pages HighMem/MovableOnly [ 491.393287] 326511 pages reserved [ 491.396744] Unreclaimable slab info: [ 491.400449] Name Used Total [ 491.405991] hashtab_node 118KB 119KB [ 491.411365] ebitmap_node 382KB 385KB [ 491.416739] avtab_node 1012KB 1013KB [ 491.422109] TIPC 1KB 7KB [ 491.427470] SCTPv6 2KB 4KB [ 491.432839] DCCPv6 2KB 7KB [ 491.438224] DCCP 2KB 6KB [ 491.444399] fib6_nodes 0KB 4KB [ 491.449775] ip6_dst_cache 6KB 7KB [ 491.455155] RAWv6 9KB 13KB [ 491.460511] UDPv6 12KB 14KB [ 491.465877] TCPv6 2KB 5KB [ 491.471267] sd_ext_cdb 0KB 3KB [ 491.476641] scsi_sense_cache 164KB 164KB [ 491.481997] virtio_scsi_cmd 16KB 16KB [ 491.487356] sgpool-128 8KB 8KB [ 491.492720] sgpool-64 4KB 6KB [ 491.498089] sgpool-32 354KB 354KB [ 491.503459] sgpool-16 97KB 97KB [ 491.508815] sgpool-8 262KB 262KB [ 491.514183] cfq_io_cq 16KB 19KB [ 491.519556] cfq_queue 25KB 30KB [ 491.524930] mqueue_inode_cache 1KB 7KB [ 491.530393] nfs_commit_data 3KB 7KB [ 491.535757] nfs_write_data 34KB 37KB [ 491.541128] jbd2_inode 1KB 3KB [ 491.546502] ext4_system_zone 0KB 3KB [ 491.551884] bio-1 1KB 3KB [ 491.557265] rpc_buffers 17KB 19KB [ 491.562629] rpc_tasks 2KB 3KB [ 491.568000] UNIX 1436KB 1501KB [ 491.573399] tcp_bind_bucket 0KB 4KB [ 491.579555] ip_fib_trie 0KB 3KB [ 491.584935] ip_fib_alias 0KB 3KB [ 491.590310] ip_dst_cache 3KB 8KB [ 491.595669] RAW 5KB 7KB [ 491.601035] UDP 29KB 31KB [ 491.606411] TCP 7KB 7KB [ 491.611789] hugetlbfs_inode_cache 1KB 7KB [ 491.617511] eventpoll_pwq 9KB 11KB [ 491.622869] eventpoll_epi 18KB 23KB [ 491.628230] inotify_inode_mark 4KB 7KB [ 491.633688] request_queue 31KB 33KB [ 491.639063] blkdev_ioc 22KB 27KB [ 491.644442] bio-0 502KB 502KB [ 491.649813] biovec-(1<<(21-12)) 528KB 528KB [ 491.655360] biovec-128 306KB 306KB [ 491.660733] biovec-64 291KB 291KB [ 491.666138] biovec-16 48KB 48KB [ 491.671522] bio_integrity_payload 0KB 4KB [ 491.677249] khugepaged_mm_slot 0KB 3KB [ 491.682712] uid_cache 0KB 3KB [ 491.688086] dmaengine-unmap-2 0KB 3KB [ 491.693460] audit_buffer 0KB 3KB [ 491.698819] skbuff_fclone_cache 131KB 135KB [ 491.704346] skbuff_head_cache 1665KB 1695KB [ 491.709712] configfs_dir_cache 0KB 4KB [ 491.715943] file_lock_cache 148KB 150KB [ 491.721341] file_lock_ctx 1KB 3KB [ 491.726720] fsnotify_mark_connector 2KB 3KB [ 491.732660] shmem_inode_cache 879KB 879KB [ 491.738033] task_delay_info 275KB 383KB [ 491.743394] sigqueue 314KB 322KB [ 491.748746] kernfs_node_cache 1840KB 1842KB [ 491.754096] mnt_cache 14KB 20KB [ 491.759445] filp 8167KB 8208KB [ 491.764795] names_cache 114010KB 114048KB [ 491.770145] avc_node 37KB 43KB [ 491.775495] selinux_file_security 403KB 418KB [ 491.781188] selinux_inode_security 1887KB 1896KB [ 491.786970] key_jar 3KB 7KB [ 491.792318] nsproxy 0KB 3KB [ 491.797669] vm_area_struct 16895KB 16915KB [ 491.803027] mm_struct 3943KB 3976KB [ 491.808377] fs_cache 366KB 464KB [ 491.813724] files_cache 1372KB 1605KB [ 491.819070] signal_cache 2199KB 2508KB [ 491.824418] sighand_cache 203KB 270KB [ 491.829765] task_struct 9389KB 9389KB [ 491.835124] cred_jar 2192KB 2212KB [ 491.840472] anon_vma_chain 6896KB 6914KB [ 491.845817] anon_vma 124KB 246KB [ 491.851624] pid 191KB 292KB [ 491.857000] Acpi-Operand 106KB 170KB [ 491.862405] Acpi-Namespace 19KB 23KB [ 491.867783] numa_policy 0KB 3KB [ 491.873151] debug_objects_cache 437KB 438KB [ 491.878695] trace_event_file 144KB 147KB [ 491.884069] ftrace_event_field 254KB 255KB [ 491.889539] pool_workqueue 21KB 24KB [ 491.894918] page->ptl 2723KB 2727KB [ 491.900294] kmalloc-262144 1032KB 1032KB [ 491.905662] kmalloc-131072 650KB 650KB [ 491.911040] kmalloc-65536 264KB 264KB [ 491.916401] kmalloc-32768 462KB 462KB [ 491.921756] kmalloc-16384 148KB 148KB [ 491.927115] kmalloc-8192 412KB 412KB [ 491.932475] kmalloc-4096 7943KB 7981KB [ 491.937828] kmalloc-2048 2989KB 2996KB [ 491.943186] kmalloc-1024 4158KB 4158KB [ 491.948544] kmalloc-512 2911KB 3142KB [ 491.953897] kmalloc-256 1535KB 1867KB [ 491.959252] kmalloc-128 384KB 507KB [ 491.964616] kmalloc-96 1961KB 1964KB [ 491.969970] kmalloc-64 2316KB 2320KB [ 491.975343] kmalloc-32 2290KB 2299KB [ 491.980707] kmalloc-192 801KB 804KB [ 491.986710] kmem_cache 96KB 97KB [ 491.992108] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 492.000751] [ 1606] 0 1606 5366 167 90112 0 -1000 udevd [ 492.008908] [ 2999] 0 2999 30649 188 118784 0 0 rsyslogd [ 492.017310] [ 3054] 0 3054 3736 44 69632 0 0 mcstransd [ 492.025802] [ 3056] 0 3056 4725 51 81920 0 0 cron [ 492.033858] [ 3089] 0 3089 12490 152 135168 0 -1000 sshd [ 492.041913] [ 3124] 0 3124 3694 40 73728 0 0 getty [ 492.050056] [ 3125] 0 3125 3694 40 69632 0 0 getty [ 492.058199] [ 3126] 0 3126 3694 41 77824 0 0 getty [ 492.066350] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 492.074489] [ 3128] 0 3128 3694 41 69632 0 0 getty [ 492.082630] [ 3129] 0 3129 3694 40 77824 0 0 getty [ 492.090767] [ 3130] 0 3130 3649 41 73728 0 0 getty [ 492.098910] [ 3131] 0 3131 5681 454 86016 0 -1000 udevd [ 492.107061] [ 3132] 0 3132 5681 454 86016 0 -1000 udevd [ 492.115227] [ 3152] 0 3152 17821 197 188416 0 0 sshd [ 492.123331] [ 3154] 0 3154 280 1 32768 0 0 syzkaller642723 [ 492.132358] [ 3155] 0 3155 4371 0 32768 0 0 syzkaller642723 [ 492.141374] [ 3156] 0 3156 4371 0 32768 0 0 syzkaller642723 [ 492.150394] [ 3157] 0 3157 4371 0 32768 0 0 syzkaller642723 [ 492.159416] [ 3158] 0 3158 4371 522 36864 0 0 syzkaller642723 [ 492.168452] [ 3159] 0 3159 4371 522 36864 0 0 syzkaller642723 [ 492.177489] [ 3160] 0 3160 4371 522 36864 0 0 syzkaller642723 [ 492.186508] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller642723 [ 492.195521] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller642723 [ 492.204531] Out of memory: Kill process 3158 (syzkaller642723) score 0 or sacrifice child [ 492.213501] Killed process 3158 (syzkaller642723) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 492.226634] oom_reaper: reaped process 3158 (syzkaller642723), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 492.392164] syzkaller642723 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 492.406393] syzkaller642723 cpuset=/ mems_allowed=0 [ 492.411479] CPU: 1 PID: 3160 Comm: syzkaller642723 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 492.420037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 492.429368] Call Trace: [ 492.431928] dump_stack+0x194/0x257 [ 492.435528] ? arch_local_irq_restore+0x53/0x53 [ 492.440172] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 492.445338] dump_header+0x28c/0xe2b [ 492.449032] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 492.454196] ? pagefault_out_of_memory+0x145/0x145 [ 492.459100] ? print_irqtrace_events+0x270/0x270 [ 492.463832] ? avc_has_perm_noaudit+0x37e/0x520 [ 492.468470] ? check_noncircular+0x20/0x20 [ 492.472674] ? check_noncircular+0x20/0x20 [ 492.476878] ? print_irqtrace_events+0x270/0x270 [ 492.481605] ? reacquire_held_locks+0x1f9/0x3e0 [ 492.486240] ? reacquire_held_locks+0x1f9/0x3e0 [ 492.490888] ? check_noncircular+0x20/0x20 [ 492.495379] ? task_will_free_mem+0x252/0xaa0 [ 492.501127] ? check_noncircular+0x20/0x20 [ 492.505339] ? print_irqtrace_events+0x270/0x270 [ 492.510076] ? ___ratelimit+0x30d/0x630 [ 492.514025] ? lock_downgrade+0x980/0x980 [ 492.518145] ? lock_release+0xa40/0xa40 [ 492.522091] ? mark_held_locks+0xaf/0x100 [ 492.526207] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 492.531289] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 492.536276] ? trace_hardirqs_on+0xd/0x10 [ 492.541007] ? ___ratelimit+0x95/0x630 [ 492.545921] ? idr_get_free_cmn+0xfd0/0xfd0 [ 492.552038] ? check_noncircular+0x20/0x20 [ 492.557395] oom_kill_process+0x81b/0x9f0 [ 492.561534] ? oom_badness+0xd1/0x980 [ 492.565323] ? lock_release+0xa40/0xa40 [ 492.569293] ? oom_kill_memcg_member+0x20/0x20 [ 492.573865] ? oom_evaluate_task+0x480/0x480 [ 492.578273] ? out_of_memory+0xe1c/0x1790 [ 492.582406] ? lock_downgrade+0x980/0x980 [ 492.586536] ? lock_release+0xa40/0xa40 [ 492.590493] ? oom_evaluate_task+0x284/0x480 [ 492.594873] out_of_memory+0x9d5/0x1790 [ 492.598825] ? oom_killer_disable+0x310/0x310 [ 492.603295] ? mutex_trylock+0x23a/0x2d0 [ 492.607324] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 492.612231] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 492.617649] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 492.623510] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 492.628345] ? warn_alloc+0x2b0/0x2b0 [ 492.632662] ? print_irqtrace_events+0x270/0x270 [ 492.637575] ? __sched_text_start+0x8/0x8 [ 492.642048] ? lock_acquire+0x1d5/0x580 [ 492.645990] ? lock_acquire+0x1d5/0x580 [ 492.649940] ? __lock_acquire+0x664/0x3e00 [ 492.654149] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 492.660015] ? lock_release+0xa40/0xa40 [ 492.663994] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 492.669849] ? find_held_lock+0x35/0x1d0 [ 492.673884] ? __might_sleep+0x95/0x190 [ 492.677831] __alloc_pages_nodemask+0x9fb/0xd80 [ 492.682470] ? lock_release+0xa40/0xa40 [ 492.686424] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 492.691413] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 492.696332] ? print_irqtrace_events+0x270/0x270 [ 492.701067] ? __lock_is_held+0xb6/0x140 [ 492.705551] ? find_next_bit+0xcc/0x100 [ 492.709507] pcpu_populate_chunk+0x1b3/0x880 [ 492.713883] ? find_next_bit+0x97/0x100 [ 492.717832] pcpu_alloc+0x978/0x10e0 [ 492.721525] ? pcpu_free_area+0xa00/0xa00 [ 492.725641] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 492.730110] ? vmap_page_range_noflush+0x523/0x720 [ 492.735027] ? retint_kernel+0x10/0x10 [ 492.738892] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 492.743885] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 492.748622] ? retint_kernel+0x10/0x10 [ 492.752492] ? pcpu_alloc+0x21/0x10e0 [ 492.756264] ? array_map_alloc+0x673/0x830 [ 492.760469] __alloc_percpu_gfp+0x27/0x30 [ 492.764597] array_map_alloc+0x68a/0x830 [ 492.768635] SyS_bpf+0x7f8/0x4420 [ 492.772059] ? perf_event_mmap+0x115/0x12a0 [ 492.776351] ? bpf_prog_get+0x20/0x20 [ 492.780122] ? perf_event_fork+0x30/0x30 [ 492.784167] ? __lock_is_held+0xb6/0x140 [ 492.788285] ? check_noncircular+0x20/0x20 [ 492.792489] ? vma_wants_writenotify+0x51/0x3b0 [ 492.797132] ? __handle_mm_fault+0x80e/0x3ce0 [ 492.801616] ? check_noncircular+0x20/0x20 [ 492.805819] ? __pmd_alloc+0x4e0/0x4e0 [ 492.809672] ? vma_link+0xe9/0x170 [ 492.813187] ? find_held_lock+0x35/0x1d0 [ 492.817224] ? handle_mm_fault+0x2a0/0x930 [ 492.821430] ? find_held_lock+0x35/0x1d0 [ 492.825988] ? __do_page_fault+0x5f7/0xc90 [ 492.830455] ? lock_downgrade+0x980/0x980 [ 492.834593] ? handle_mm_fault+0x476/0x930 [ 492.839063] ? down_read_trylock+0xdb/0x170 [ 492.843355] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 492.847910] ? vmacache_find+0x5f/0x280 [ 492.851852] ? vmacache_update+0xfe/0x130 [ 492.855973] ? up_read+0x1a/0x40 [ 492.859307] ? __do_page_fault+0x3d6/0xc90 [ 492.863537] ? mm_fault_error+0x2c0/0x2c0 [ 492.867669] ? do_page_fault+0xee/0x720 [ 492.871628] ? __do_page_fault+0xc90/0xc90 [ 492.875840] ? SyS_mmap_pgoff+0x243/0x5f0 [ 492.879968] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 492.884700] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 492.889425] RIP: 0033:0x440139 [ 492.892585] RSP: 002b:00007ffd16b64618 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 492.900261] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 492.907498] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 492.914735] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 492.921980] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 492.929217] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 492.936593] Mem-Info: [ 492.939764] active_anon:4016 inactive_anon:33 isolated_anon:0 [ 492.939764] active_file:14 inactive_file:15 isolated_file:0 [ 492.939764] unevictable:0 dirty:0 writeback:0 unstable:0 [ 492.939764] slab_reclaimable:7177 slab_unreclaimable:83351 [ 492.939764] mapped:2 shmem:40 pagetables:307 bounce:0 [ 492.939764] free:24320 free_pcp:92 free_cma:0 [ 492.973652] Node 0 active_anon:16064kB inactive_anon:132kB active_file:56kB inactive_file:484kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 493.000584] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 493.027096] lowmem_reserve[]: 0 2875 6386 6386 [ 493.031994] Node 0 DMA32 free:43876kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 493.061214] lowmem_reserve[]: 0 0 3510 3510 [ 493.065585] Node 0 Normal free:36508kB min:37064kB low:46328kB high:55592kB active_anon:16064kB inactive_anon:132kB active_file:56kB inactive_file:564kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1228kB bounce:0kB free_pcp:568kB local_pcp:0kB free_cma:0kB [ 493.094756] lowmem_reserve[]: 0 0 0 0 [ 493.098620] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 493.112542] Node 0 DMA32: 3*4kB (UM) 5*8kB (UM) 3*16kB (M) 6*32kB (UM) 3*64kB (UM) 3*128kB (UM) 4*256kB (UM) 4*512kB (UM) 3*1024kB (M) 2*2048kB (M) 8*4096kB (M) = 43876kB [ 493.128034] Node 0 Normal: 361*4kB (UME) 284*8kB (UM) 231*16kB (UME) 147*32kB (M) 90*64kB (UM) 36*128kB (M) 30*256kB (M) 10*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 37332kB [ 493.144032] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 493.152633] 88 total pagecache pages [ 493.156353] 0 pages in swap cache [ 493.159809] Swap cache stats: add 0, delete 0, find 0/0 [ 493.165176] Free swap = 0kB [ 493.168198] Total swap = 0kB [ 493.171228] 1965979 pages RAM [ 493.174347] 0 pages HighMem/MovableOnly [ 493.178324] 326511 pages reserved [ 493.181782] Unreclaimable slab info: [ 493.185507] Name Used Total [ 493.191063] hashtab_node 118KB 119KB [ 493.196445] ebitmap_node 382KB 385KB [ 493.201826] avtab_node 1012KB 1013KB [ 493.207211] TIPC 1KB 7KB [ 493.212599] SCTPv6 2KB 4KB [ 493.217982] DCCPv6 2KB 7KB [ 493.224158] DCCP 2KB 6KB [ 493.229543] fib6_nodes 0KB 4KB [ 493.234920] ip6_dst_cache 6KB 7KB [ 493.240297] RAWv6 9KB 13KB [ 493.245675] UDPv6 12KB 14KB [ 493.251053] TCPv6 2KB 5KB [ 493.256441] sd_ext_cdb 0KB 3KB [ 493.262378] scsi_sense_cache 184KB 184KB [ 493.268880] virtio_scsi_cmd 16KB 16KB [ 493.274260] sgpool-128 8KB 8KB [ 493.279649] sgpool-64 4KB 6KB [ 493.285046] sgpool-32 448KB 448KB [ 493.290427] sgpool-16 108KB 108KB [ 493.295804] sgpool-8 273KB 273KB [ 493.301180] cfq_io_cq 16KB 19KB [ 493.306547] cfq_queue 25KB 30KB [ 493.311924] mqueue_inode_cache 1KB 7KB [ 493.317398] nfs_commit_data 3KB 7KB [ 493.322784] nfs_write_data 34KB 37KB [ 493.330105] jbd2_inode 1KB 3KB [ 493.335480] ext4_system_zone 0KB 3KB [ 493.340842] bio-1 1KB 3KB [ 493.346197] rpc_buffers 17KB 19KB [ 493.351965] rpc_tasks 2KB 3KB [ 493.357331] UNIX 1393KB 1445KB [ 493.362705] tcp_bind_bucket 0KB 4KB [ 493.368056] ip_fib_trie 0KB 3KB [ 493.373404] ip_fib_alias 0KB 3KB [ 493.378754] ip_dst_cache 3KB 8KB [ 493.384113] RAW 5KB 7KB [ 493.389459] UDP 29KB 31KB [ 493.394813] TCP 7KB 7KB [ 493.400170] hugetlbfs_inode_cache 1KB 7KB [ 493.405864] eventpoll_pwq 9KB 11KB [ 493.411212] eventpoll_epi 18KB 23KB [ 493.416560] inotify_inode_mark 4KB 7KB [ 493.421994] request_queue 31KB 33KB [ 493.427345] blkdev_ioc 22KB 27KB [ 493.432694] bio-0 551KB 551KB [ 493.438051] biovec-(1<<(21-12)) 528KB 528KB [ 493.444695] biovec-128 363KB 363KB [ 493.450084] biovec-64 315KB 315KB [ 493.455474] biovec-16 56KB 56KB [ 493.460864] bio_integrity_payload 0KB 4KB [ 493.466583] khugepaged_mm_slot 0KB 3KB [ 493.472061] uid_cache 0KB 3KB [ 493.477445] dmaengine-unmap-2 0KB 3KB [ 493.483623] audit_buffer 0KB 3KB [ 493.489047] skbuff_fclone_cache 131KB 135KB [ 493.494612] skbuff_head_cache 1657KB 1691KB [ 493.499999] configfs_dir_cache 0KB 4KB [ 493.505497] file_lock_cache 148KB 150KB [ 493.510890] file_lock_ctx 1KB 3KB [ 493.516278] fsnotify_mark_connector 2KB 3KB [ 493.522202] shmem_inode_cache 879KB 879KB [ 493.528286] task_delay_info 275KB 383KB [ 493.533681] sigqueue 314KB 322KB [ 493.539084] kernfs_node_cache 1840KB 1842KB [ 493.544476] mnt_cache 14KB 20KB [ 493.549847] filp 8139KB 8190KB [ 493.555209] names_cache 113398KB 113436KB [ 493.560582] avc_node 37KB 43KB [ 493.565959] selinux_file_security 403KB 418KB [ 493.571676] selinux_inode_security 1887KB 1896KB [ 493.577467] key_jar 3KB 7KB [ 493.582829] nsproxy 0KB 3KB [ 493.588216] vm_area_struct 16889KB 16915KB [ 493.593604] mm_struct 3943KB 3976KB [ 493.598999] fs_cache 366KB 464KB [ 493.604407] files_cache 1372KB 1605KB [ 493.609791] signal_cache 2199KB 2508KB [ 493.615576] sighand_cache 203KB 270KB [ 493.620948] task_struct 9389KB 9389KB [ 493.626308] cred_jar 2191KB 2212KB [ 493.631681] anon_vma_chain 6896KB 6914KB [ 493.637053] anon_vma 123KB 246KB [ 493.642404] pid 191KB 292KB [ 493.647779] Acpi-Operand 106KB 170KB [ 493.653166] Acpi-Namespace 19KB 23KB [ 493.658561] numa_policy 0KB 3KB [ 493.663925] debug_objects_cache 437KB 438KB [ 493.669462] trace_event_file 144KB 147KB [ 493.676136] ftrace_event_field 254KB 255KB [ 493.681573] pool_workqueue 21KB 24KB [ 493.686921] page->ptl 2723KB 2727KB [ 493.692280] kmalloc-262144 1032KB 1032KB [ 493.697628] kmalloc-131072 650KB 650KB [ 493.702973] kmalloc-65536 264KB 264KB [ 493.708321] kmalloc-32768 462KB 462KB [ 493.713697] kmalloc-16384 148KB 148KB [ 493.719070] kmalloc-8192 412KB 412KB [ 493.724425] kmalloc-4096 7790KB 7828KB [ 493.729842] kmalloc-2048 2989KB 2996KB [ 493.735193] kmalloc-1024 4449KB 4449KB [ 493.740552] kmalloc-512 2898KB 3116KB [ 493.747220] kmalloc-256 1533KB 1863KB [ 493.752585] kmalloc-128 384KB 504KB [ 493.757934] kmalloc-96 1961KB 1964KB [ 493.763293] kmalloc-64 2316KB 2320KB [ 493.768642] kmalloc-32 2284KB 2299KB [ 493.773987] kmalloc-192 801KB 804KB [ 493.779349] kmem_cache 96KB 97KB [ 493.784726] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 493.793334] [ 1606] 0 1606 5366 167 90112 0 -1000 udevd [ 493.801470] [ 2999] 0 2999 30649 188 118784 0 0 rsyslogd [ 493.809874] [ 3054] 0 3054 3736 44 69632 0 0 mcstransd [ 493.818379] [ 3056] 0 3056 4725 51 81920 0 0 cron [ 493.826425] [ 3089] 0 3089 12490 152 135168 0 -1000 sshd [ 493.834476] [ 3124] 0 3124 3694 40 73728 0 0 getty [ 493.842613] [ 3125] 0 3125 3694 40 69632 0 0 getty [ 493.850785] [ 3126] 0 3126 3694 41 77824 0 0 getty [ 493.858962] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 493.867136] [ 3128] 0 3128 3694 41 69632 0 0 getty [ 493.875323] [ 3129] 0 3129 3694 40 77824 0 0 getty [ 493.883532] [ 3130] 0 3130 3649 41 73728 0 0 getty [ 493.891689] [ 3131] 0 3131 5681 454 86016 0 -1000 udevd [ 493.899843] [ 3132] 0 3132 5681 454 86016 0 -1000 udevd [ 493.907982] [ 3152] 0 3152 17821 197 188416 0 0 sshd [ 493.916039] [ 3154] 0 3154 280 1 32768 0 0 syzkaller642723 [ 493.925066] [ 3155] 0 3155 4371 0 32768 0 0 syzkaller642723 [ 493.934106] [ 3156] 0 3156 4371 0 32768 0 0 syzkaller642723 [ 493.943130] [ 3157] 0 3157 4371 0 32768 0 0 syzkaller642723 [ 493.952305] [ 3158] 0 3158 4371 0 32768 0 0 syzkaller642723 [ 493.961314] [ 3159] 0 3159 4371 522 36864 0 0 syzkaller642723 [ 493.970346] [ 3160] 0 3160 4371 522 36864 0 0 syzkaller642723 [ 493.979395] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller642723 [ 493.988445] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller642723 [ 493.997476] Out of memory: Kill process 3159 (syzkaller642723) score 0 or sacrifice child [ 494.005843] Killed process 3159 (syzkaller642723) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 494.018613] oom_reaper: reaped process 3159 (syzkaller642723), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 494.325613] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 494.337040] rsyslogd cpuset=/ mems_allowed=0 [ 494.341490] CPU: 1 PID: 3002 Comm: rsyslogd Not tainted 4.15.0-rc4-next-20171221+ #78 [ 494.349440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 494.358772] Call Trace: [ 494.361349] dump_stack+0x194/0x257 [ 494.364956] ? arch_local_irq_restore+0x53/0x53 [ 494.369605] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 494.374783] dump_header+0x28c/0xe2b [ 494.378477] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 494.384600] ? pagefault_out_of_memory+0x145/0x145 [ 494.390201] ? print_irqtrace_events+0x270/0x270 [ 494.394936] ? avc_has_perm_noaudit+0x37e/0x520 [ 494.399590] ? check_noncircular+0x20/0x20 [ 494.403813] ? check_noncircular+0x20/0x20 [ 494.408037] ? print_irqtrace_events+0x270/0x270 [ 494.412786] ? reacquire_held_locks+0x1f9/0x3e0 [ 494.417436] ? reacquire_held_locks+0x1f9/0x3e0 [ 494.422089] ? check_noncircular+0x20/0x20 [ 494.427005] ? task_will_free_mem+0x252/0xaa0 [ 494.431480] ? check_noncircular+0x20/0x20 [ 494.435710] ? print_irqtrace_events+0x270/0x270 [ 494.440464] ? ___ratelimit+0x30d/0x630 [ 494.444426] ? lock_downgrade+0x980/0x980 [ 494.448565] ? lock_release+0xa40/0xa40 [ 494.452532] ? mark_held_locks+0xaf/0x100 [ 494.456668] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 494.461757] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 494.466760] ? trace_hardirqs_on+0xd/0x10 [ 494.470898] ? ___ratelimit+0x95/0x630 [ 494.474774] ? idr_get_free_cmn+0xfd0/0xfd0 [ 494.479081] ? check_noncircular+0x20/0x20 [ 494.483315] oom_kill_process+0x81b/0x9f0 [ 494.487444] ? oom_badness+0xd1/0x980 [ 494.491225] ? lock_release+0xa40/0xa40 [ 494.495189] ? oom_kill_memcg_member+0x20/0x20 [ 494.500712] ? oom_evaluate_task+0x480/0x480 [ 494.505118] ? out_of_memory+0xe1c/0x1790 [ 494.509253] ? lock_downgrade+0x980/0x980 [ 494.513390] ? lock_release+0xa40/0xa40 [ 494.517367] ? oom_evaluate_task+0x284/0x480 [ 494.521769] out_of_memory+0x9d5/0x1790 [ 494.525743] ? oom_killer_disable+0x310/0x310 [ 494.530231] ? mutex_trylock+0x23a/0x2d0 [ 494.534274] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 494.539278] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 494.544709] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 494.550595] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 494.555435] ? trace_hardirqs_on+0xd/0x10 [ 494.559601] ? warn_alloc+0x2b0/0x2b0 [ 494.563389] ? lock_downgrade+0x980/0x980 [ 494.567538] ? radix_tree_lookup_slot+0x99/0xe0 [ 494.572218] ? find_get_entry+0x53c/0x9e0 [ 494.576386] ? __lock_acquire+0x664/0x3e00 [ 494.580656] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 494.586543] ? __might_sleep+0x95/0x190 [ 494.590511] __alloc_pages_nodemask+0x9fb/0xd80 [ 494.595177] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 494.600182] ? add_to_page_cache_lru+0x510/0x510 [ 494.604932] ? check_noncircular+0x20/0x20 [ 494.609149] ? check_noncircular+0x20/0x20 [ 494.613381] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 494.618153] alloc_pages_current+0xb6/0x1e0 [ 494.622470] __page_cache_alloc+0x334/0x500 [ 494.626778] ? rcu_read_lock_held+0xa9/0xc0 [ 494.631087] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 494.638450] filemap_fault+0xf34/0x1ca0 [ 494.642413] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 494.647603] ? __lock_page_or_retry+0x4f0/0x4f0 [ 494.652276] ? filemap_map_pages+0x942/0x15d0 [ 494.656772] ? find_get_entries_tag+0xeb0/0xeb0 [ 494.661428] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 494.666604] ? lock_release+0xa40/0xa40 [ 494.670566] ? check_noncircular+0x20/0x20 [ 494.674783] ? mem_cgroup_css_online+0x2e0/0x2e0 [ 494.679519] ? __lock_is_held+0xb6/0x140 [ 494.683571] ? print_irqtrace_events+0x270/0x270 [ 494.688310] ? print_irqtrace_events+0x270/0x270 [ 494.693049] ? print_irqtrace_events+0x270/0x270 [ 494.697801] ? __pagevec_lru_add+0x30/0x30 [ 494.702045] ? lock_acquire+0x1d5/0x580 [ 494.706001] ? lock_acquire+0x1d5/0x580 [ 494.709956] ? ext4_filemap_fault+0x7a/0xad [ 494.714264] ? __lock_acquire+0x664/0x3e00 [ 494.718491] ? lock_release+0xa40/0xa40 [ 494.722447] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 494.728326] ? rcu_note_context_switch+0x710/0x710 [ 494.733245] ? __might_sleep+0x95/0x190 [ 494.737906] ? down_read+0x96/0x150 [ 494.741861] ? ext4_filemap_fault+0x7a/0xad [ 494.746165] ? __down_interruptible+0x6b0/0x6b0 [ 494.750835] ext4_filemap_fault+0x82/0xad [ 494.754971] __do_fault+0xeb/0x30f [ 494.758501] ? pte_offset_kernel+0xc7/0xc7 [ 494.762725] ? check_noncircular+0x20/0x20 [ 494.766957] ? do_raw_spin_trylock+0x190/0x190 [ 494.771534] ? check_noncircular+0x20/0x20 [ 494.775763] __handle_mm_fault+0x1d8f/0x3ce0 [ 494.780166] ? __pmd_alloc+0x4e0/0x4e0 [ 494.784051] ? find_held_lock+0x35/0x1d0 [ 494.788107] ? handle_mm_fault+0x2a0/0x930 [ 494.792328] ? lock_downgrade+0x980/0x980 [ 494.796504] handle_mm_fault+0x38f/0x930 [ 494.800545] ? down_read_trylock+0xdb/0x170 [ 494.804853] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 494.809415] ? vmacache_find+0x5f/0x280 [ 494.813369] ? vmacache_update+0xfe/0x130 [ 494.817504] ? find_vma+0x30/0x150 [ 494.821032] __do_page_fault+0x5c9/0xc90 [ 494.825076] ? vma_set_page_prot+0x16b/0x230 [ 494.831391] ? mm_fault_error+0x2c0/0x2c0 [ 494.836056] ? up_write+0x6b/0x120 [ 494.839584] do_page_fault+0xee/0x720 [ 494.843370] ? __do_page_fault+0xc90/0xc90 [ 494.847594] ? do_mprotect_pkey+0x21e/0x900 [ 494.851917] ? retint_user+0x18/0x18 [ 494.855621] ? page_fault+0x36/0x60 [ 494.859233] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 494.864065] ? page_fault+0x36/0x60 [ 494.867679] page_fault+0x4c/0x60 [ 494.871115] RIP: 0033:0x41a69e [ 494.874283] RSP: 002b:00007fe572d08d70 EFLAGS: 00010202 [ 494.879632] RAX: 00007fe56c056fa0 RBX: 00007fe572d08d88 RCX: 00007fe56c000000 [ 494.886884] RDX: 00007fe56c000020 RSI: 00007fe56c0571b0 RDI: 00007fe56c057000 [ 494.894136] RBP: 0000000000000004 R08: 00007fe56c000288 R09: 00007fe5750fd100 [ 494.901391] R10: 0000000000000010 R11: 0000000000000206 R12: 0000000000000000 [ 494.908643] R13: 00007fe57453e5a3 R14: 0000000000000f6f R15: 00007fe57453d610 [ 494.916060] Mem-Info: [ 494.920437] active_anon:3587 inactive_anon:33 isolated_anon:0 [ 494.920437] active_file:14 inactive_file:66 isolated_file:0 [ 494.920437] unevictable:0 dirty:1 writeback:0 unstable:0 [ 494.920437] slab_reclaimable:7193 slab_unreclaimable:83330 [ 494.920437] mapped:2 shmem:40 pagetables:306 bounce:0 [ 494.920437] free:24221 free_pcp:58 free_cma:0 [ 494.954991] Node 0 active_anon:14348kB inactive_anon:132kB active_file:56kB inactive_file:296kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:4kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 494.982251] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 495.008449] lowmem_reserve[]: 0 2875 6386 6386 [ 495.013107] Node 0 DMA32 free:43876kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 495.040300] lowmem_reserve[]: 0 0 3510 3510 [ 495.044854] Node 0 Normal free:36560kB min:37064kB low:46328kB high:55592kB active_anon:14348kB inactive_anon:132kB active_file:56kB inactive_file:0kB unevictable:0kB writepending:4kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1224kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 495.073671] lowmem_reserve[]: 0 0 0 0 [ 495.077496] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 495.091149] Node 0 DMA32: 3*4kB (UM) 5*8kB (UM) 3*16kB (M) 6*32kB (UM) 3*64kB (UM) 3*128kB (UM) 4*256kB (UM) 4*512kB (UM) 3*1024kB (M) 2*2048kB (M) 8*4096kB (M) = 43876kB [ 495.106641] Node 0 Normal: 349*4kB (UME) 269*8kB (UM) 229*16kB (UME) 149*32kB (UM) 90*64kB (UM) 37*128kB (UM) 30*256kB (M) 9*512kB (M) 2*1024kB (UM) 0*2048kB 0*4096kB = 36812kB [ 495.122637] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 495.131226] 93 total pagecache pages [ 495.134941] 0 pages in swap cache [ 495.138398] Swap cache stats: add 0, delete 0, find 0/0 [ 495.143756] Free swap = 0kB [ 495.146775] Total swap = 0kB [ 495.149801] 1965979 pages RAM [ 495.152900] 0 pages HighMem/MovableOnly [ 495.156873] 326511 pages reserved [ 495.160320] Unreclaimable slab info: [ 495.164031] Name Used Total [ 495.169564] hashtab_node 118KB 119KB [ 495.175367] ebitmap_node 382KB 385KB [ 495.181708] avtab_node 1012KB 1013KB [ 495.187086] TIPC 1KB 7KB [ 495.192467] SCTPv6 2KB 4KB [ 495.197839] DCCPv6 2KB 7KB [ 495.203979] DCCP 2KB 6KB [ 495.209371] fib6_nodes 0KB 4KB [ 495.214747] ip6_dst_cache 6KB 7KB [ 495.220106] RAWv6 9KB 13KB [ 495.225478] UDPv6 12KB 14KB [ 495.230856] TCPv6 2KB 5KB [ 495.236221] sd_ext_cdb 0KB 3KB [ 495.241590] scsi_sense_cache 216KB 216KB [ 495.246966] virtio_scsi_cmd 16KB 16KB [ 495.252333] sgpool-128 8KB 8KB [ 495.257699] sgpool-64 4KB 6KB [ 495.263072] sgpool-32 724KB 724KB [ 495.268441] sgpool-16 131KB 131KB [ 495.273812] sgpool-8 296KB 296KB [ 495.279188] cfq_io_cq 16KB 19KB [ 495.284547] cfq_queue 25KB 30KB [ 495.289912] mqueue_inode_cache 1KB 7KB [ 495.295375] nfs_commit_data 3KB 7KB [ 495.300736] nfs_write_data 34KB 37KB [ 495.306109] jbd2_inode 1KB 3KB [ 495.311492] ext4_system_zone 0KB 3KB [ 495.316879] bio-1 1KB 3KB [ 495.322259] rpc_buffers 17KB 19KB [ 495.327636] rpc_tasks 2KB 3KB [ 495.332997] UNIX 1384KB 1445KB [ 495.339170] tcp_bind_bucket 0KB 4KB [ 495.344536] ip_fib_trie 0KB 3KB [ 495.349903] ip_fib_alias 0KB 3KB [ 495.355280] ip_dst_cache 3KB 8KB [ 495.360640] RAW 5KB 7KB [ 495.366031] UDP 29KB 31KB [ 495.371411] TCP 7KB 7KB [ 495.376769] hugetlbfs_inode_cache 1KB 7KB [ 495.382503] eventpoll_pwq 9KB 11KB [ 495.387864] eventpoll_epi 18KB 23KB [ 495.393231] inotify_inode_mark 4KB 7KB [ 495.398678] request_queue 31KB 33KB [ 495.404047] blkdev_ioc 22KB 27KB [ 495.409425] bio-0 652KB 652KB [ 495.414788] biovec-(1<<(21-12)) 528KB 528KB [ 495.420328] biovec-128 522KB 522KB [ 495.425708] biovec-64 393KB 393KB [ 495.431081] biovec-16 60KB 60KB [ 495.436462] bio_integrity_payload 0KB 4KB [ 495.442175] khugepaged_mm_slot 0KB 3KB [ 495.447648] uid_cache 0KB 3KB [ 495.453039] dmaengine-unmap-2 0KB 3KB [ 495.458417] audit_buffer 0KB 3KB [ 495.463775] skbuff_fclone_cache 131KB 135KB [ 495.469317] skbuff_head_cache 1653KB 1687KB [ 495.475180] configfs_dir_cache 0KB 4KB [ 495.480643] file_lock_cache 148KB 150KB [ 495.486037] file_lock_ctx 1KB 3KB [ 495.492724] fsnotify_mark_connector 2KB 3KB [ 495.498622] shmem_inode_cache 879KB 879KB [ 495.503983] task_delay_info 275KB 383KB [ 495.509357] sigqueue 314KB 322KB [ 495.514720] kernfs_node_cache 1840KB 1842KB [ 495.520089] mnt_cache 14KB 20KB [ 495.525468] filp 8132KB 8186KB [ 495.530834] names_cache 113390KB 113428KB [ 495.536205] avc_node 37KB 43KB [ 495.541581] selinux_file_security 402KB 418KB [ 495.547288] selinux_inode_security 1886KB 1896KB [ 495.553090] key_jar 3KB 7KB [ 495.558473] nsproxy 0KB 3KB [ 495.563843] vm_area_struct 16886KB 16915KB [ 495.569211] mm_struct 3942KB 3976KB [ 495.574587] fs_cache 366KB 464KB [ 495.579947] files_cache 1372KB 1605KB [ 495.585334] signal_cache 2199KB 2508KB [ 495.590696] sighand_cache 203KB 270KB [ 495.596066] task_struct 9389KB 9389KB [ 495.601451] cred_jar 2190KB 2212KB [ 495.606811] anon_vma_chain 6896KB 6914KB [ 495.612948] anon_vma 123KB 246KB [ 495.618329] pid 191KB 292KB [ 495.623707] Acpi-Operand 106KB 170KB [ 495.629068] Acpi-Namespace 19KB 23KB [ 495.634443] numa_policy 0KB 3KB [ 495.639822] debug_objects_cache 437KB 438KB [ 495.645362] trace_event_file 144KB 147KB [ 495.650732] ftrace_event_field 254KB 255KB [ 495.656193] pool_workqueue 21KB 24KB [ 495.661558] page->ptl 2722KB 2727KB [ 495.666959] kmalloc-262144 1032KB 1032KB [ 495.672337] kmalloc-131072 650KB 650KB [ 495.677714] kmalloc-65536 264KB 264KB [ 495.683083] kmalloc-32768 462KB 462KB [ 495.688461] kmalloc-16384 148KB 148KB [ 495.693844] kmalloc-8192 412KB 412KB [ 495.699477] kmalloc-4096 7781KB 7820KB [ 495.705464] kmalloc-2048 2989KB 2996KB [ 495.710832] kmalloc-1024 4646KB 4646KB [ 495.716266] kmalloc-512 2891KB 3116KB [ 495.722255] kmalloc-256 1529KB 1860KB [ 495.727635] kmalloc-128 383KB 504KB [ 495.732995] kmalloc-96 1961KB 1964KB [ 495.738370] kmalloc-64 2314KB 2320KB [ 495.744275] kmalloc-32 2282KB 2299KB [ 495.749654] kmalloc-192 800KB 804KB [ 495.755034] kmem_cache 96KB 97KB [ 495.760406] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 495.769004] [ 1606] 0 1606 5366 167 90112 0 -1000 udevd [ 495.777197] [ 2999] 0 2999 30649 270 118784 0 0 rsyslogd [ 495.785630] [ 3054] 0 3054 3736 44 69632 0 0 mcstransd [ 495.794140] [ 3056] 0 3056 4725 51 81920 0 0 cron [ 495.802217] [ 3089] 0 3089 12490 152 135168 0 -1000 sshd [ 495.810297] [ 3124] 0 3124 3694 40 73728 0 0 getty [ 495.818472] [ 3125] 0 3125 3694 40 69632 0 0 getty [ 495.826638] [ 3126] 0 3126 3694 41 77824 0 0 getty [ 495.834817] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 495.842970] [ 3128] 0 3128 3694 41 69632 0 0 getty [ 495.851216] [ 3129] 0 3129 3694 40 77824 0 0 getty [ 495.859381] [ 3130] 0 3130 3649 41 73728 0 0 getty [ 495.867544] [ 3131] 0 3131 5681 454 86016 0 -1000 udevd [ 495.875728] [ 3132] 0 3132 5681 454 86016 0 -1000 udevd [ 495.883875] [ 3152] 0 3152 17821 197 188416 0 0 sshd [ 495.891948] [ 3154] 0 3154 280 1 32768 0 0 syzkaller642723 [ 495.900963] [ 3155] 0 3155 4371 0 32768 0 0 syzkaller642723 [ 495.910000] [ 3156] 0 3156 4371 0 32768 0 0 syzkaller642723 [ 495.919052] [ 3157] 0 3157 4371 0 32768 0 0 syzkaller642723 [ 495.928084] [ 3158] 0 3158 4371 0 32768 0 0 syzkaller642723 [ 495.937121] [ 3159] 0 3159 4371 0 32768 0 0 syzkaller642723 [ 495.946155] [ 3160] 0 3160 4371 522 36864 0 0 syzkaller642723 [ 495.955192] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller642723 [ 495.964233] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller642723 [ 495.973265] Out of memory: Kill process 3160 (syzkaller642723) score 0 or sacrifice child [ 495.981703] Killed process 3160 (syzkaller642723) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 495.994638] oom_reaper: reaped process 3160 (syzkaller642723), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 496.048575] kworker/1:2 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 496.060938] kworker/1:2 cpuset=/ mems_allowed=0 [ 496.067427] CPU: 1 PID: 1410 Comm: kworker/1:2 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 496.077038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 496.086388] Workqueue: events pcpu_balance_workfn [ 496.091222] Call Trace: [ 496.093801] dump_stack+0x194/0x257 [ 496.097430] ? arch_local_irq_restore+0x53/0x53 [ 496.102086] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 496.107278] dump_header+0x28c/0xe2b [ 496.110997] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 496.116184] ? pagefault_out_of_memory+0x145/0x145 [ 496.121101] ? print_irqtrace_events+0x270/0x270 [ 496.125830] ? avc_has_perm_noaudit+0x37e/0x520 [ 496.130820] ? check_noncircular+0x20/0x20 [ 496.135028] ? check_noncircular+0x20/0x20 [ 496.139234] ? print_irqtrace_events+0x270/0x270 [ 496.143963] ? reacquire_held_locks+0x1f9/0x3e0 [ 496.148606] ? reacquire_held_locks+0x1f9/0x3e0 [ 496.153243] ? check_noncircular+0x20/0x20 [ 496.157448] ? task_will_free_mem+0x252/0xaa0 [ 496.161919] ? check_noncircular+0x20/0x20 [ 496.166139] ? print_irqtrace_events+0x270/0x270 [ 496.170874] ? ___ratelimit+0x30d/0x630 [ 496.174817] ? lock_downgrade+0x980/0x980 [ 496.178938] ? lock_release+0xa40/0xa40 [ 496.182885] ? mark_held_locks+0xaf/0x100 [ 496.187002] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 496.192083] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 496.197068] ? trace_hardirqs_on+0xd/0x10 [ 496.201187] ? ___ratelimit+0x95/0x630 [ 496.205046] ? idr_get_free_cmn+0xfd0/0xfd0 [ 496.209335] ? check_noncircular+0x20/0x20 [ 496.213547] oom_kill_process+0x81b/0x9f0 [ 496.218618] ? oom_badness+0xd1/0x980 [ 496.222393] ? lock_release+0xa40/0xa40 [ 496.226338] ? oom_kill_memcg_member+0x20/0x20 [ 496.230895] ? mark_held_locks+0xaf/0x100 [ 496.235022] ? oom_evaluate_task+0x480/0x480 [ 496.239410] ? out_of_memory+0xe1c/0x1790 [ 496.243530] ? lock_downgrade+0x980/0x980 [ 496.247648] ? lock_release+0xa40/0xa40 [ 496.251595] ? find_next_bit+0xcc/0x100 [ 496.255538] ? blocking_notifier_call_chain+0x112/0x190 [ 496.260876] ? oom_evaluate_task+0x284/0x480 [ 496.265258] out_of_memory+0x9d5/0x1790 [ 496.269207] ? oom_killer_disable+0x310/0x310 [ 496.273684] ? mutex_trylock+0x23a/0x2d0 [ 496.277714] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 496.282611] ? __lock_is_held+0xb6/0x140 [ 496.286639] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 496.292066] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 496.296903] ? warn_alloc+0x2b0/0x2b0 [ 496.300671] ? check_noncircular+0x20/0x20 [ 496.304880] ? print_irqtrace_events+0x270/0x270 [ 496.309605] ? lock_release+0xa40/0xa40 [ 496.313549] ? lock_pin_lock+0x360/0x360 [ 496.317582] ? lock_acquire+0x1d5/0x580 [ 496.321521] ? lock_acquire+0x1d5/0x580 [ 496.325467] ? __lock_acquire+0x664/0x3e00 [ 496.329675] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 496.335547] ? __lock_is_held+0xb6/0x140 [ 496.339587] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 496.345449] ? __might_sleep+0x95/0x190 [ 496.349394] __alloc_pages_nodemask+0x9fb/0xd80 [ 496.354037] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 496.359197] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 496.364181] ? __lock_acquire+0x664/0x3e00 [ 496.368388] ? __lock_acquire+0x664/0x3e00 [ 496.372596] ? print_irqtrace_events+0x270/0x270 [ 496.377332] ? __lock_is_held+0xb6/0x140 [ 496.381366] ? find_next_bit+0xcc/0x100 [ 496.385315] pcpu_populate_chunk+0x1b3/0x880 [ 496.389700] ? find_next_bit+0x97/0x100 [ 496.393912] pcpu_balance_workfn+0xf3e/0x1520 [ 496.398377] ? check_noncircular+0x20/0x20 [ 496.402578] ? find_held_lock+0x35/0x1d0 [ 496.406620] ? pcpu_create_chunk+0x900/0x900 [ 496.410999] ? lock_release+0xa40/0xa40 [ 496.414955] ? check_noncircular+0x20/0x20 [ 496.419172] ? lock_acquire+0x1d5/0x580 [ 496.423113] ? lock_acquire+0x1d5/0x580 [ 496.427065] ? process_one_work+0xb01/0x1af0 [ 496.431459] ? __lock_is_held+0xb6/0x140 [ 496.435500] process_one_work+0xbbf/0x1af0 [ 496.439712] ? trace_hardirqs_on+0xd/0x10 [ 496.443844] ? pwq_dec_nr_in_flight+0x450/0x450 [ 496.448491] ? __schedule+0x8f3/0x2060 [ 496.452344] ? update_curr+0x47b/0xa60 [ 496.456208] ? check_noncircular+0x20/0x20 [ 496.460413] ? retint_kernel+0x10/0x10 [ 496.464269] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 496.469254] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 496.474109] ? lock_acquire+0x1d5/0x580 [ 496.478068] ? lock_acquire+0x1d5/0x580 [ 496.482024] ? worker_thread+0x4a3/0x1990 [ 496.486160] ? lock_downgrade+0x980/0x980 [ 496.490300] ? lock_release+0xa40/0xa40 [ 496.494258] ? worker_pool_assign_id+0x1b0/0x1b0 [ 496.499591] ? do_raw_spin_trylock+0x190/0x190 [ 496.504156] worker_thread+0x223/0x1990 [ 496.508117] ? process_one_work+0x1af0/0x1af0 [ 496.512584] ? _raw_spin_unlock_irq+0x27/0x70 [ 496.517049] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 496.522037] ? trace_hardirqs_on+0xd/0x10 [ 496.526152] ? mmdrop+0x18/0x30 [ 496.529402] ? finish_task_switch+0x1f6/0x740 [ 496.533873] ? copy_overflow+0x20/0x20 [ 496.537747] ? __schedule+0x8f3/0x2060 [ 496.541620] ? find_held_lock+0x35/0x1d0 [ 496.545654] ? find_held_lock+0x35/0x1d0 [ 496.549687] ? complete+0x62/0x80 [ 496.553117] ? __schedule+0x2060/0x2060 [ 496.557060] ? do_wait_intr_irq+0x3e0/0x3e0 [ 496.561357] ? __lockdep_init_map+0xe4/0x650 [ 496.565735] ? do_raw_spin_trylock+0x190/0x190 [ 496.570297] ? lockdep_init_map+0x9/0x10 [ 496.574328] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 496.579399] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 496.584389] ? trace_hardirqs_on+0xd/0x10 [ 496.588509] ? __kthread_parkme+0x175/0x240 [ 496.592809] kthread+0x33c/0x400 [ 496.596143] ? process_one_work+0x1af0/0x1af0 [ 496.600611] ? kthread_stop+0x7a0/0x7a0 [ 496.604555] ret_from_fork+0x24/0x30 [ 496.608343] Mem-Info: [ 496.610775] active_anon:3071 inactive_anon:33 isolated_anon:0 [ 496.610775] active_file:0 inactive_file:5 isolated_file:13 [ 496.610775] unevictable:0 dirty:0 writeback:0 unstable:0 [ 496.610775] slab_reclaimable:7195 slab_unreclaimable:82942 [ 496.610775] mapped:25 shmem:40 pagetables:306 bounce:0 [ 496.610775] free:24403 free_pcp:0 free_cma:0 [ 496.642757] Node 0 active_anon:12284kB inactive_anon:132kB active_file:0kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):52kB mapped:100kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 496.669662] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 496.697947] lowmem_reserve[]: 0 2875 6386 6386 [ 496.702530] Node 0 DMA32 free:43876kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 496.729940] lowmem_reserve[]: 0 0 3510 3510 [ 496.734272] Node 0 Normal free:37828kB min:37064kB low:46328kB high:55592kB active_anon:12284kB inactive_anon:132kB active_file:108kB inactive_file:876kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1224kB bounce:0kB free_pcp:44kB local_pcp:0kB free_cma:0kB [ 496.763041] lowmem_reserve[]: 0 0 0 0 [ 496.766865] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 496.780437] Node 0 DMA32: 3*4kB (UM) 5*8kB (UM) 3*16kB (M) 6*32kB (UM) 3*64kB (UM) 3*128kB (UM) 4*256kB (UM) 4*512kB (UM) 3*1024kB (M) 2*2048kB (M) 8*4096kB (M) = 43876kB [ 496.796450] Node 0 Normal: 327*4kB (UMEH) 262*8kB (UM) 226*16kB (MEH) 147*32kB (UMH) 88*64kB (UM) 40*128kB (UMH) 31*256kB (UM) 10*512kB (UM) 3*1024kB (UMH) 0*2048kB 0*4096kB = 38604kB [ 496.818034] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 496.826628] 89 total pagecache pages [ 496.830348] 0 pages in swap cache [ 496.833827] Swap cache stats: add 0, delete 0, find 0/0 [ 496.839208] Free swap = 0kB [ 496.842238] Total swap = 0kB [ 496.845269] 1965979 pages RAM [ 496.848391] 0 pages HighMem/MovableOnly [ 496.852380] 326511 pages reserved [ 496.855853] Unreclaimable slab info: [ 496.859588] Name Used Total [ 496.865148] hashtab_node 118KB 119KB [ 496.870531] ebitmap_node 382KB 385KB [ 496.875918] avtab_node 1012KB 1013KB [ 496.881308] TIPC 1KB 7KB [ 496.886696] SCTPv6 2KB 4KB [ 496.892079] DCCPv6 2KB 7KB [ 496.897437] DCCP 2KB 6KB [ 496.902804] fib6_nodes 0KB 4KB [ 496.908157] ip6_dst_cache 6KB 7KB [ 496.913537] RAWv6 9KB 13KB [ 496.918903] UDPv6 12KB 14KB [ 496.924261] TCPv6 2KB 5KB [ 496.929623] sd_ext_cdb 0KB 3KB [ 496.935435] scsi_sense_cache 220KB 220KB [ 496.940799] virtio_scsi_cmd 16KB 16KB [ 496.946156] sgpool-128 8KB 8KB [ 496.951535] sgpool-64 4KB 6KB [ 496.956921] sgpool-32 803KB 803KB [ 496.962311] sgpool-16 142KB 142KB [ 496.967700] sgpool-8 300KB 300KB [ 496.973088] cfq_io_cq 16KB 19KB [ 496.978474] cfq_queue 25KB 30KB [ 496.983866] mqueue_inode_cache 1KB 7KB [ 496.989344] nfs_commit_data 3KB 7KB [ 496.994721] nfs_write_data 34KB 37KB [ 497.000110] jbd2_inode 1KB 3KB [ 497.005496] ext4_system_zone 0KB 3KB [ 497.010898] bio-1 1KB 3KB [ 497.016297] rpc_buffers 17KB 19KB [ 497.021673] rpc_tasks 2KB 3KB [ 497.027044] UNIX 1375KB 1442KB [ 497.032401] tcp_bind_bucket 0KB 4KB [ 497.037751] ip_fib_trie 0KB 3KB [ 497.043099] ip_fib_alias 0KB 3KB [ 497.048447] ip_dst_cache 3KB 8KB [ 497.053795] RAW 5KB 7KB [ 497.059143] UDP 29KB 31KB [ 497.064500] TCP 7KB 7KB [ 497.069849] hugetlbfs_inode_cache 1KB 7KB [ 497.075555] eventpoll_pwq 9KB 11KB [ 497.080927] eventpoll_epi 18KB 23KB [ 497.086284] inotify_inode_mark 4KB 7KB [ 497.091726] request_queue 31KB 33KB [ 497.097081] blkdev_ioc 22KB 27KB [ 497.102438] bio-0 701KB 701KB [ 497.107796] biovec-(1<<(21-12)) 536KB 536KB [ 497.113327] biovec-128 535KB 535KB [ 497.120470] biovec-64 393KB 393KB [ 497.127423] biovec-16 63KB 63KB [ 497.133246] bio_integrity_payload 0KB 4KB [ 497.138982] khugepaged_mm_slot 0KB 3KB [ 497.144463] uid_cache 0KB 3KB [ 497.149835] dmaengine-unmap-2 0KB 3KB [ 497.155187] audit_buffer 0KB 3KB [ 497.160536] skbuff_fclone_cache 131KB 135KB [ 497.166060] skbuff_head_cache 1650KB 1687KB [ 497.171414] configfs_dir_cache 0KB 4KB [ 497.176861] file_lock_cache 148KB 150KB [ 497.182210] file_lock_ctx 1KB 3KB [ 497.187557] fsnotify_mark_connector 2KB 3KB [ 497.193427] shmem_inode_cache 879KB 879KB [ 497.198774] task_delay_info 275KB 383KB [ 497.204123] sigqueue 314KB 322KB [ 497.209480] kernfs_node_cache 1840KB 1842KB [ 497.214841] mnt_cache 14KB 20KB [ 497.220191] filp 8125KB 8186KB [ 497.225974] names_cache 112684KB 112722KB [ 497.231325] avc_node 37KB 43KB [ 497.236681] selinux_file_security 401KB 418KB [ 497.242390] selinux_inode_security 1886KB 1896KB [ 497.248178] key_jar 3KB 7KB [ 497.253551] nsproxy 0KB 3KB [ 497.258938] vm_area_struct 16883KB 16915KB [ 497.264324] mm_struct 3940KB 3976KB [ 497.269708] fs_cache 365KB 464KB [ 497.275086] files_cache 1371KB 1605KB [ 497.280487] signal_cache 2199KB 2508KB [ 497.285851] sighand_cache 203KB 270KB [ 497.291202] task_struct 9389KB 9389KB [ 497.296548] cred_jar 2188KB 2212KB [ 497.301909] anon_vma_chain 6894KB 6914KB [ 497.307275] anon_vma 123KB 246KB [ 497.312634] pid 191KB 292KB [ 497.318006] Acpi-Operand 106KB 170KB [ 497.323390] Acpi-Namespace 19KB 23KB [ 497.328821] numa_policy 0KB 3KB [ 497.334173] debug_objects_cache 437KB 438KB [ 497.339707] trace_event_file 144KB 147KB [ 497.345062] ftrace_event_field 254KB 255KB [ 497.350505] pool_workqueue 21KB 24KB [ 497.355853] page->ptl 2720KB 2727KB [ 497.361213] kmalloc-262144 1032KB 1032KB [ 497.367440] kmalloc-131072 650KB 650KB [ 497.374702] kmalloc-65536 264KB 264KB [ 497.380312] kmalloc-32768 462KB 462KB [ 497.385660] kmalloc-16384 148KB 148KB [ 497.391542] kmalloc-8192 412KB 412KB [ 497.397160] kmalloc-4096 7620KB 7658KB [ 497.402509] kmalloc-2048 2989KB 2996KB [ 497.407876] kmalloc-1024 4646KB 4646KB [ 497.413227] kmalloc-512 2884KB 3112KB [ 497.418579] kmalloc-256 1526KB 1860KB [ 497.423929] kmalloc-128 382KB 504KB [ 497.429288] kmalloc-96 1961KB 1964KB [ 497.434652] kmalloc-64 2318KB 2320KB [ 497.440003] kmalloc-32 2281KB 2299KB [ 497.445366] kmalloc-192 800KB 804KB [ 497.450726] kmem_cache 96KB 97KB [ 497.456073] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 497.464656] [ 1606] 0 1606 5366 167 90112 0 -1000 udevd [ 497.472789] [ 2999] 0 2999 30649 270 118784 0 0 rsyslogd [ 497.481532] [ 3054] 0 3054 3736 44 69632 0 0 mcstransd [ 497.490054] [ 3056] 0 3056 4725 51 81920 0 0 cron [ 497.498123] [ 3089] 0 3089 12490 152 135168 0 -1000 sshd [ 497.506186] [ 3124] 0 3124 3694 40 73728 0 0 getty [ 497.514322] [ 3125] 0 3125 3694 40 69632 0 0 getty [ 497.522484] [ 3126] 0 3126 3694 41 77824 0 0 getty [ 497.530624] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 497.538766] [ 3128] 0 3128 3694 41 69632 0 0 getty [ 497.546899] [ 3129] 0 3129 3694 40 77824 0 0 getty [ 497.555811] [ 3130] 0 3130 3649 41 73728 0 0 getty [ 497.563979] [ 3131] 0 3131 5681 454 86016 0 -1000 udevd [ 497.572132] [ 3132] 0 3132 5681 454 86016 0 -1000 udevd [ 497.580284] [ 3152] 0 3152 17821 197 188416 0 0 sshd [ 497.588350] [ 3154] 0 3154 280 1 32768 0 0 syzkaller642723 [ 497.597374] [ 3155] 0 3155 4371 0 32768 0 0 syzkaller642723 [ 497.606472] [ 3156] 0 3156 4371 0 32768 0 0 syzkaller642723 [ 497.615588] [ 3157] 0 3157 4371 0 32768 0 0 syzkaller642723 [ 497.624604] [ 3158] 0 3158 4371 0 32768 0 0 syzkaller642723 [ 497.633719] [ 3159] 0 3159 4371 0 32768 0 0 syzkaller642723 [ 497.642724] [ 3160] 0 3160 4371 0 32768 0 0 syzkaller642723 [ 497.651723] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller642723 [ 497.660721] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller642723 [ 497.669741] Out of memory: Kill process 3161 (syzkaller642723) score 0 or sacrifice child [ 497.678582] Killed process 3161 (syzkaller642723) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 497.690614] oom_reaper: reaped process 3161 (syzkaller642723), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 497.771741] kworker/1:2 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 497.783895] kworker/1:2 cpuset=/ mems_allowed=0 [ 497.790494] CPU: 1 PID: 1410 Comm: kworker/1:2 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 497.799642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 497.808972] Workqueue: events pcpu_balance_workfn [ 497.813779] Call Trace: [ 497.816343] dump_stack+0x194/0x257 [ 497.819963] ? arch_local_irq_restore+0x53/0x53 [ 497.824603] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 497.829778] dump_header+0x28c/0xe2b [ 497.833473] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 497.838632] ? pagefault_out_of_memory+0x145/0x145 [ 497.843532] ? print_irqtrace_events+0x270/0x270 [ 497.848260] ? avc_has_perm_noaudit+0x37e/0x520 [ 497.852899] ? check_noncircular+0x20/0x20 [ 497.857102] ? check_noncircular+0x20/0x20 [ 497.861314] ? print_irqtrace_events+0x270/0x270 [ 497.866041] ? reacquire_held_locks+0x1f9/0x3e0 [ 497.870684] ? reacquire_held_locks+0x1f9/0x3e0 [ 497.875329] ? check_noncircular+0x20/0x20 [ 497.879530] ? task_will_free_mem+0x252/0xaa0 [ 497.883990] ? check_noncircular+0x20/0x20 [ 497.888199] ? print_irqtrace_events+0x270/0x270 [ 497.892929] ? ___ratelimit+0x30d/0x630 [ 497.896872] ? lock_downgrade+0x980/0x980 [ 497.901015] ? lock_release+0xa40/0xa40 [ 497.905255] ? mark_held_locks+0xaf/0x100 [ 497.909384] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 497.914458] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 497.919449] ? trace_hardirqs_on+0xd/0x10 [ 497.923566] ? ___ratelimit+0x95/0x630 [ 497.927422] ? idr_get_free_cmn+0xfd0/0xfd0 [ 497.931713] ? check_noncircular+0x20/0x20 [ 497.935922] oom_kill_process+0x81b/0x9f0 [ 497.940037] ? oom_badness+0xd1/0x980 [ 497.943812] ? lock_release+0xa40/0xa40 [ 497.947756] ? oom_kill_memcg_member+0x20/0x20 [ 497.952318] ? oom_evaluate_task+0x480/0x480 [ 497.956709] ? out_of_memory+0xe1c/0x1790 [ 497.960832] ? lock_downgrade+0x980/0x980 [ 497.964959] ? lock_release+0xa40/0xa40 [ 497.968900] ? find_next_bit+0xcc/0x100 [ 497.972842] ? blocking_notifier_call_chain+0x112/0x190 [ 497.978182] ? oom_evaluate_task+0x284/0x480 [ 497.982561] out_of_memory+0x9d5/0x1790 [ 497.986511] ? oom_killer_disable+0x310/0x310 [ 497.990983] ? mutex_trylock+0x23a/0x2d0 [ 497.995013] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 497.999914] ? __lock_is_held+0xb6/0x140 [ 498.003942] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 498.009374] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 498.014210] ? warn_alloc+0x2b0/0x2b0 [ 498.017982] ? lock_release+0xa40/0xa40 [ 498.021928] ? print_irqtrace_events+0x270/0x270 [ 498.026662] ? lock_release+0xa40/0xa40 [ 498.030611] ? mutex_spin_on_owner+0x446/0xb50 [ 498.035169] ? __lock_acquire+0x664/0x3e00 [ 498.039375] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 498.045508] ? __lock_is_held+0xb6/0x140 [ 498.049815] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 498.055676] ? __might_sleep+0x95/0x190 [ 498.059630] __alloc_pages_nodemask+0x9fb/0xd80 [ 498.064272] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 498.069260] ? __lock_acquire+0x664/0x3e00 [ 498.073459] ? calc_wheel_index+0x13d/0x200 [ 498.077751] ? __lock_acquire+0x664/0x3e00 [ 498.081958] ? print_irqtrace_events+0x270/0x270 [ 498.086694] ? __lock_is_held+0xb6/0x140 [ 498.090735] ? find_next_bit+0xcc/0x100 [ 498.094683] pcpu_populate_chunk+0x1b3/0x880 [ 498.099074] ? find_next_bit+0x97/0x100 [ 498.103049] pcpu_balance_workfn+0xf3e/0x1520 [ 498.107526] ? check_noncircular+0x20/0x20 [ 498.111736] ? find_held_lock+0x35/0x1d0 [ 498.115783] ? pcpu_create_chunk+0x900/0x900 [ 498.120777] ? lock_release+0xa40/0xa40 [ 498.124997] ? check_noncircular+0x20/0x20 [ 498.129216] ? lock_acquire+0x1d5/0x580 [ 498.133160] ? lock_acquire+0x1d5/0x580 [ 498.137108] ? process_one_work+0xb01/0x1af0 [ 498.141508] ? __lock_is_held+0xb6/0x140 [ 498.145564] process_one_work+0xbbf/0x1af0 [ 498.149773] ? trace_hardirqs_on+0xd/0x10 [ 498.153918] ? pwq_dec_nr_in_flight+0x450/0x450 [ 498.158573] ? __schedule+0x8f3/0x2060 [ 498.162443] ? update_curr+0x47b/0xa60 [ 498.166314] ? check_noncircular+0x20/0x20 [ 498.170522] ? retint_kernel+0x10/0x10 [ 498.174391] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 498.179383] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 498.184126] ? lock_acquire+0x1d5/0x580 [ 498.188068] ? lock_acquire+0x1d5/0x580 [ 498.192273] ? worker_thread+0x4a3/0x1990 [ 498.196562] ? lock_downgrade+0x980/0x980 [ 498.200679] ? lock_release+0xa40/0xa40 [ 498.204630] ? worker_pool_assign_id+0x1b0/0x1b0 [ 498.209359] ? do_raw_spin_trylock+0x190/0x190 [ 498.213919] worker_thread+0x223/0x1990 [ 498.217880] ? process_one_work+0x1af0/0x1af0 [ 498.222350] ? _raw_spin_unlock_irq+0x27/0x70 [ 498.226817] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 498.231804] ? trace_hardirqs_on+0xd/0x10 [ 498.235919] ? mmdrop+0x18/0x30 [ 498.239166] ? finish_task_switch+0x1f6/0x740 [ 498.243631] ? copy_overflow+0x20/0x20 [ 498.247496] ? __schedule+0x8f3/0x2060 [ 498.251375] ? find_held_lock+0x35/0x1d0 [ 498.255409] ? find_held_lock+0x35/0x1d0 [ 498.259445] ? complete+0x62/0x80 [ 498.262873] ? __schedule+0x2060/0x2060 [ 498.266813] ? do_wait_intr_irq+0x3e0/0x3e0 [ 498.271102] ? __lockdep_init_map+0xe4/0x650 [ 498.275478] ? do_raw_spin_trylock+0x190/0x190 [ 498.280031] ? lockdep_init_map+0x9/0x10 [ 498.284061] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 498.289133] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 498.294116] ? trace_hardirqs_on+0xd/0x10 [ 498.298232] ? __kthread_parkme+0x175/0x240 [ 498.302534] kthread+0x33c/0x400 [ 498.305868] ? process_one_work+0x1af0/0x1af0 [ 498.310335] ? kthread_stop+0x7a0/0x7a0 [ 498.314291] ret_from_fork+0x24/0x30 [ 498.318098] Mem-Info: [ 498.320541] active_anon:2559 inactive_anon:33 isolated_anon:0 [ 498.320541] active_file:19 inactive_file:5 isolated_file:0 [ 498.320541] unevictable:0 dirty:0 writeback:0 unstable:0 [ 498.320541] slab_reclaimable:7211 slab_unreclaimable:82971 [ 498.320541] mapped:2 shmem:40 pagetables:304 bounce:0 [ 498.320541] free:24221 free_pcp:122 free_cma:0 [ 498.352591] Node 0 active_anon:10236kB inactive_anon:132kB active_file:116kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 498.379404] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 498.405523] lowmem_reserve[]: 0 2875 6386 6386 [ 498.410111] Node 0 DMA32 free:43876kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 498.437267] lowmem_reserve[]: 0 0 3510 3510 [ 498.441593] Node 0 Normal free:36716kB min:37064kB low:46328kB high:55592kB active_anon:10236kB inactive_anon:132kB active_file:216kB inactive_file:132kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1216kB bounce:0kB free_pcp:864kB local_pcp:368kB free_cma:0kB [ 498.470581] lowmem_reserve[]: 0 0 0 0 [ 498.474390] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 498.487962] Node 0 DMA32: 3*4kB (UM) 5*8kB (UM) 3*16kB (M) 6*32kB (UM) 3*64kB (UM) 3*128kB (UM) 4*256kB (UM) 4*512kB (UM) 3*1024kB (M) 2*2048kB (M) 8*4096kB (M) = 43876kB [ 498.504201] Node 0 Normal: 173*4kB (UMH) 261*8kB (M) 225*16kB (UMEH) 146*32kB (MH) 89*64kB (UM) 40*128kB (UMH) 30*256kB (M) 10*512kB (UM) 2*1024kB (MH) 0*2048kB 0*4096kB = 36716kB [ 498.520399] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 498.528966] 77 total pagecache pages [ 498.532669] 0 pages in swap cache [ 498.536107] Swap cache stats: add 0, delete 0, find 0/0 [ 498.541468] Free swap = 0kB [ 498.544487] Total swap = 0kB [ 498.547508] 1965979 pages RAM [ 498.550616] 0 pages HighMem/MovableOnly [ 498.554574] 326511 pages reserved [ 498.558043] Unreclaimable slab info: [ 498.561753] Name Used Total [ 498.567302] hashtab_node 118KB 119KB [ 498.572696] ebitmap_node 382KB 385KB [ 498.578072] avtab_node 1012KB 1013KB [ 498.583453] TIPC 1KB 7KB [ 498.589866] SCTPv6 2KB 4KB [ 498.595254] DCCPv6 2KB 7KB [ 498.600620] DCCP 2KB 6KB [ 498.605982] fib6_nodes 0KB 4KB [ 498.611353] ip6_dst_cache 6KB 7KB [ 498.616724] RAWv6 9KB 13KB [ 498.622087] UDPv6 12KB 14KB [ 498.627452] TCPv6 2KB 5KB [ 498.632816] sd_ext_cdb 0KB 3KB [ 498.638167] scsi_sense_cache 220KB 220KB [ 498.643531] virtio_scsi_cmd 16KB 16KB [ 498.648892] sgpool-128 8KB 8KB [ 498.654245] sgpool-64 4KB 6KB [ 498.659608] sgpool-32 889KB 889KB [ 498.664977] sgpool-16 153KB 153KB [ 498.670331] sgpool-8 311KB 311KB [ 498.675693] cfq_io_cq 16KB 19KB [ 498.682435] cfq_queue 25KB 30KB [ 498.689711] mqueue_inode_cache 1KB 7KB [ 498.696378] nfs_commit_data 3KB 7KB [ 498.702599] nfs_write_data 34KB 37KB [ 498.707962] jbd2_inode 1KB 3KB [ 498.713336] ext4_system_zone 0KB 3KB [ 498.718701] bio-1 1KB 3KB [ 498.724077] rpc_buffers 17KB 19KB [ 498.729449] rpc_tasks 2KB 3KB [ 498.734819] UNIX 1359KB 1410KB [ 498.740174] tcp_bind_bucket 0KB 4KB [ 498.745543] ip_fib_trie 0KB 3KB [ 498.750901] ip_fib_alias 0KB 3KB [ 498.756253] ip_dst_cache 3KB 8KB [ 498.761617] RAW 5KB 7KB [ 498.766974] UDP 29KB 31KB [ 498.772332] TCP 7KB 7KB [ 498.777693] hugetlbfs_inode_cache 1KB 7KB [ 498.783409] eventpoll_pwq 9KB 11KB [ 498.788767] eventpoll_epi 18KB 23KB [ 498.794118] inotify_inode_mark 4KB 7KB [ 498.799569] request_queue 31KB 33KB [ 498.804941] blkdev_ioc 22KB 27KB [ 498.810293] bio-0 720KB 720KB [ 498.815659] biovec-(1<<(21-12)) 536KB 536KB [ 498.821653] biovec-128 535KB 535KB [ 498.827799] biovec-64 393KB 393KB [ 498.833177] biovec-16 63KB 63KB [ 498.838536] bio_integrity_payload 0KB 4KB [ 498.844235] khugepaged_mm_slot 0KB 3KB [ 498.849691] uid_cache 0KB 3KB [ 498.855057] dmaengine-unmap-2 0KB 3KB [ 498.860418] audit_buffer 0KB 3KB [ 498.865766] skbuff_fclone_cache 131KB 135KB [ 498.871306] skbuff_head_cache 1644KB 1687KB [ 498.876669] configfs_dir_cache 0KB 4KB [ 498.882115] file_lock_cache 148KB 150KB [ 498.887481] file_lock_ctx 1KB 3KB [ 498.892841] fsnotify_mark_connector 2KB 3KB [ 498.898974] shmem_inode_cache 879KB 879KB [ 498.904329] task_delay_info 275KB 383KB [ 498.909692] sigqueue 313KB 322KB [ 498.915059] kernfs_node_cache 1840KB 1842KB [ 498.920417] mnt_cache 14KB 20KB [ 498.925780] filp 8091KB 8141KB [ 498.931144] names_cache 112676KB 112705KB [ 498.936504] avc_node 37KB 43KB [ 498.941852] selinux_file_security 401KB 418KB [ 498.947563] selinux_inode_security 1886KB 1896KB [ 498.953374] key_jar 3KB 7KB [ 498.958730] nsproxy 0KB 3KB [ 498.964081] vm_area_struct 16871KB 16911KB [ 498.969448] mm_struct 3940KB 3976KB [ 498.974811] fs_cache 365KB 464KB [ 498.981392] files_cache 1371KB 1605KB [ 498.988721] signal_cache 2199KB 2508KB [ 498.995812] sighand_cache 201KB 270KB [ 499.001612] task_struct 9389KB 9389KB [ 499.007503] cred_jar 2188KB 2212KB [ 499.013219] anon_vma_chain 6894KB 6914KB [ 499.018578] anon_vma 121KB 246KB [ 499.023924] pid 191KB 292KB [ 499.029285] Acpi-Operand 106KB 170KB [ 499.034643] Acpi-Namespace 19KB 23KB [ 499.039990] numa_policy 0KB 3KB [ 499.045362] debug_objects_cache 437KB 438KB [ 499.050892] trace_event_file 144KB 147KB [ 499.056241] ftrace_event_field 254KB 255KB [ 499.061689] pool_workqueue 21KB 24KB [ 499.067055] page->ptl 2720KB 2727KB [ 499.072431] kmalloc-262144 1032KB 1032KB [ 499.077782] kmalloc-131072 650KB 650KB [ 499.083146] kmalloc-65536 264KB 264KB [ 499.088505] kmalloc-32768 462KB 462KB [ 499.093854] kmalloc-16384 148KB 148KB [ 499.099569] kmalloc-8192 412KB 412KB [ 499.104937] kmalloc-4096 7611KB 7641KB [ 499.110291] kmalloc-2048 2989KB 2996KB [ 499.115660] kmalloc-1024 4646KB 4646KB [ 499.121047] kmalloc-512 2871KB 3090KB [ 499.126407] kmalloc-256 1524KB 1856KB [ 499.131756] kmalloc-128 382KB 504KB [ 499.137120] kmalloc-96 1961KB 1964KB [ 499.142478] kmalloc-64 2318KB 2320KB [ 499.147826] kmalloc-32 2275KB 2299KB [ 499.153189] kmalloc-192 800KB 804KB [ 499.158555] kmem_cache 96KB 97KB [ 499.163912] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 499.172496] [ 1606] 0 1606 5366 167 90112 0 -1000 udevd [ 499.180637] [ 2999] 0 2999 30649 270 118784 0 0 rsyslogd [ 499.189045] [ 3054] 0 3054 3736 44 69632 0 0 mcstransd [ 499.197562] [ 3056] 0 3056 4725 51 81920 0 0 cron [ 499.205633] [ 3089] 0 3089 12490 152 135168 0 -1000 sshd [ 499.213696] [ 3124] 0 3124 3694 40 73728 0 0 getty [ 499.221829] [ 3125] 0 3125 3694 40 69632 0 0 getty [ 499.231038] [ 3126] 0 3126 3694 41 77824 0 0 getty [ 499.239198] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 499.247359] [ 3128] 0 3128 3694 41 69632 0 0 getty [ 499.255530] [ 3129] 0 3129 3694 40 77824 0 0 getty [ 499.263686] [ 3130] 0 3130 3649 41 73728 0 0 getty [ 499.271818] [ 3131] 0 3131 5681 454 86016 0 -1000 udevd [ 499.279951] [ 3132] 0 3132 5681 454 86016 0 -1000 udevd [ 499.288087] [ 3152] 0 3152 17821 197 188416 0 0 sshd [ 499.296137] [ 3154] 0 3154 280 1 32768 0 0 syzkaller642723 [ 499.305158] [ 3155] 0 3155 4371 0 32768 0 0 syzkaller642723 [ 499.314202] [ 3156] 0 3156 4371 0 32768 0 0 syzkaller642723 [ 499.323244] [ 3157] 0 3157 4371 0 32768 0 0 syzkaller642723 [ 499.332260] [ 3158] 0 3158 4371 0 32768 0 0 syzkaller642723 [ 499.341280] [ 3159] 0 3159 4371 0 32768 0 0 syzkaller642723 [ 499.350331] [ 3160] 0 3160 4371 0 32768 0 0 syzkaller642723 [ 499.361356] [ 3161] 0 3161 4371 0 32768 0 0 syzkaller642723 [ 499.370369] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller642723 [ 499.379387] Out of memory: Kill process 3162 (syzkaller642723) score 0 or sacrifice child [ 499.387719] Killed process 3162 (syzkaller642723) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 499.401735] oom_reaper: reaped process 3162 (syzkaller642723), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 499.445318] rsyslogd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 499.468521] rsyslogd cpuset=/ mems_allowed=0 [ 499.473203] CPU: 1 PID: 3002 Comm: rsyslogd Not tainted 4.15.0-rc4-next-20171221+ #78 [ 499.481155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 499.490492] Call Trace: [ 499.493060] dump_stack+0x194/0x257 [ 499.496662] ? arch_local_irq_restore+0x53/0x53 [ 499.501311] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 499.506481] dump_header+0x28c/0xe2b [ 499.510175] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 499.515345] ? lock_release+0xa40/0xa40 [ 499.519298] ? pagefault_out_of_memory+0x145/0x145 [ 499.525161] ? __lock_acquire+0x664/0x3e00 [ 499.530676] ? print_irqtrace_events+0x270/0x270 [ 499.535415] ? check_noncircular+0x20/0x20 [ 499.539967] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 499.545129] ? check_noncircular+0x20/0x20 [ 499.549352] ? reacquire_held_locks+0x1f9/0x3e0 [ 499.553991] ? reacquire_held_locks+0x1f9/0x3e0 [ 499.558637] ? check_noncircular+0x20/0x20 [ 499.562844] ? task_will_free_mem+0x252/0xaa0 [ 499.567571] ? check_noncircular+0x20/0x20 [ 499.571782] ? print_irqtrace_events+0x270/0x270 [ 499.576954] ? ___ratelimit+0x30d/0x630 [ 499.580900] ? lock_downgrade+0x980/0x980 [ 499.585027] ? lock_release+0xa40/0xa40 [ 499.588978] ? mark_held_locks+0xaf/0x100 [ 499.593098] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 499.598175] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 499.603161] ? trace_hardirqs_on+0xd/0x10 [ 499.607286] ? ___ratelimit+0x95/0x630 [ 499.611149] ? idr_get_free_cmn+0xfd0/0xfd0 [ 499.615441] ? check_noncircular+0x20/0x20 [ 499.619652] oom_kill_process+0x81b/0x9f0 [ 499.623774] ? lock_release+0xa40/0xa40 [ 499.627725] ? oom_kill_memcg_member+0x20/0x20 [ 499.632285] ? oom_evaluate_task+0x480/0x480 [ 499.636675] ? out_of_memory+0xe1c/0x1790 [ 499.640795] ? lock_downgrade+0x980/0x980 [ 499.644919] ? lock_release+0xa40/0xa40 [ 499.648878] ? oom_evaluate_task+0x284/0x480 [ 499.653263] out_of_memory+0x9d5/0x1790 [ 499.657218] ? oom_killer_disable+0x310/0x310 [ 499.661694] ? mutex_trylock+0x23a/0x2d0 [ 499.665759] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 499.670665] ? __lock_is_held+0xb6/0x140 [ 499.674701] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 499.680137] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 499.684981] ? warn_alloc+0x2b0/0x2b0 [ 499.688761] ? warn_alloc+0x2b0/0x2b0 [ 499.692534] ? __lock_acquire+0x664/0x3e00 [ 499.696742] ? print_irqtrace_events+0x270/0x270 [ 499.701470] ? warn_alloc+0x2b0/0x2b0 [ 499.705242] ? print_irqtrace_events+0x270/0x270 [ 499.709980] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 499.715168] ? should_fail+0x23b/0xa40 [ 499.719028] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 499.724194] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 499.729284] ? __lock_is_held+0xb6/0x140 [ 499.733337] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 499.739204] ? __might_sleep+0x95/0x190 [ 499.743156] __alloc_pages_nodemask+0x9fb/0xd80 [ 499.747808] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 499.753489] ? __alloc_pages_nodemask+0xadb/0xd80 [ 499.760303] ? print_irqtrace_events+0x270/0x270 [ 499.766344] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 499.771684] ? lock_acquire+0x1d5/0x580 [ 499.776757] ? __fdget_pos+0x12b/0x190 [ 499.782457] ? find_held_lock+0x35/0x1d0 [ 499.787720] ? cache_grow_begin+0x3bb/0x570 [ 499.792026] cache_grow_begin+0x72/0x570 [ 499.796073] fallback_alloc+0x13b/0x2a0 [ 499.800029] ____cache_alloc_node+0x1cc/0x1e0 [ 499.804502] kmem_cache_alloc_trace+0x27d/0x750 [ 499.809155] do_syslog+0x5d7/0xb80 [ 499.812672] ? log_buf_vmcoreinfo_setup+0x120/0x120 [ 499.817668] ? iterate_fd+0x3f0/0x3f0 [ 499.821455] ? __lock_is_held+0xb6/0x140 [ 499.825494] kmsg_read+0x74/0xa0 [ 499.828835] ? kmsg_poll+0xa0/0xa0 [ 499.832347] proc_reg_read+0xef/0x170 [ 499.836123] ? proc_reg_write+0x170/0x170 [ 499.840242] __vfs_read+0xef/0xa00 [ 499.843753] ? fsnotify+0x7b3/0x1140 [ 499.847440] ? vfs_copy_file_range+0x940/0x940 [ 499.852002] ? fsnotify_first_mark+0x2b0/0x2b0 [ 499.857211] ? avc_policy_seqno+0x9/0x20 [ 499.862632] ? selinux_file_permission+0x82/0x460 [ 499.868759] ? security_file_permission+0x89/0x1e0 [ 499.873662] ? rw_verify_area+0xe5/0x2b0 [ 499.877691] ? __fdget_raw+0x20/0x20 [ 499.881382] vfs_read+0x11e/0x350 [ 499.884812] SyS_read+0xef/0x220 [ 499.888154] ? kernel_write+0x120/0x120 [ 499.892098] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 499.897444] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 499.903830] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 499.908567] RIP: 0033:0x7fe5757691fd [ 499.912248] RSP: 002b:00007fe572d08e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 499.919926] RAX: ffffffffffffffda RBX: 00007fe56c05ce00 RCX: 00007fe5757691fd [ 499.927176] RDX: 0000000000000fff RSI: 00007fe57453d5a0 RDI: 0000000000000004 [ 499.934417] RBP: 00007fe56c000020 R08: 0000000000f6b260 R09: 0000000000000000 [ 499.941659] R10: 2020202020202020 R11: 0000000000000293 R12: 00007fe56c05cdf0 [ 499.948898] R13: 0000000000000210 R14: 0000000000001211 R15: 0000000000001000 [ 499.956246] Mem-Info: [ 499.981100] active_anon:2042 inactive_anon:33 isolated_anon:0 [ 499.981100] active_file:23 inactive_file:8 isolated_file:0 [ 499.981100] unevictable:0 dirty:0 writeback:0 unstable:0 [ 499.981100] slab_reclaimable:7209 slab_unreclaimable:82959 [ 499.981100] mapped:13 shmem:40 pagetables:303 bounce:0 [ 499.981100] free:24060 free_pcp:22 free_cma:0 [ 500.015881] Node 0 active_anon:8168kB inactive_anon:132kB active_file:92kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 500.042394] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 500.068547] lowmem_reserve[]: 0 2875 6386 6386 [ 500.073156] Node 0 DMA32 free:43876kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 500.100346] lowmem_reserve[]: 0 0 3510 3510 [ 500.105283] Node 0 Normal free:36636kB min:37064kB low:46328kB high:55592kB active_anon:8168kB inactive_anon:132kB active_file:40kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1212kB bounce:0kB free_pcp:88kB local_pcp:88kB free_cma:0kB [ 500.133888] lowmem_reserve[]: 0 0 0 0 [ 500.137739] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 500.151589] Node 0 DMA32: 3*4kB (UM) 5*8kB (UM) 3*16kB (M) 6*32kB (UM) 3*64kB (UM) 3*128kB (UM) 4*256kB (UM) 4*512kB (UM) 3*1024kB (M) 2*2048kB (M) 8*4096kB (M) = 43876kB [ 500.168975] Node 0 Normal: 333*4kB (UMEH) 259*8kB (ME) 227*16kB (UMEH) 145*32kB (UMEH) 88*64kB (UME) 39*128kB (UMH) 30*256kB (UM) 9*512kB (M) 2*1024kB (UH) 0*2048kB 0*4096kB = 36636kB [ 500.185592] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 500.194732] 68 total pagecache pages [ 500.198482] 0 pages in swap cache [ 500.201947] Swap cache stats: add 0, delete 0, find 0/0 [ 500.207305] Free swap = 0kB [ 500.210321] Total swap = 0kB [ 500.213344] 1965979 pages RAM [ 500.216443] 0 pages HighMem/MovableOnly [ 500.220417] 326511 pages reserved [ 500.223886] Unreclaimable slab info: [ 500.227670] Name Used Total [ 500.233224] hashtab_node 118KB 119KB [ 500.238597] ebitmap_node 382KB 385KB [ 500.243975] avtab_node 1012KB 1013KB [ 500.249336] TIPC 1KB 7KB [ 500.254705] SCTPv6 2KB 4KB [ 500.261215] DCCPv6 2KB 7KB [ 500.266572] DCCP 2KB 6KB [ 500.271956] fib6_nodes 0KB 4KB [ 500.277329] ip6_dst_cache 6KB 7KB [ 500.282800] RAWv6 9KB 13KB [ 500.288158] UDPv6 12KB 14KB [ 500.293527] TCPv6 2KB 5KB [ 500.298909] sd_ext_cdb 0KB 3KB [ 500.304276] scsi_sense_cache 220KB 220KB [ 500.309643] virtio_scsi_cmd 16KB 16KB [ 500.315037] sgpool-128 8KB 8KB [ 500.320411] sgpool-64 4KB 6KB [ 500.325771] sgpool-32 905KB 905KB [ 500.331485] sgpool-16 152KB 153KB [ 500.336844] sgpool-8 311KB 311KB [ 500.342214] cfq_io_cq 16KB 19KB [ 500.347574] cfq_queue 25KB 30KB [ 500.352943] mqueue_inode_cache 1KB 7KB [ 500.358402] nfs_commit_data 3KB 7KB [ 500.363792] nfs_write_data 34KB 37KB [ 500.369162] jbd2_inode 1KB 3KB [ 500.374529] ext4_system_zone 0KB 3KB [ 500.379915] bio-1 1KB 3KB [ 500.385288] rpc_buffers 17KB 19KB [ 500.390654] rpc_tasks 2KB 3KB [ 500.396044] UNIX 1356KB 1410KB [ 500.401422] tcp_bind_bucket 0KB 4KB [ 500.406806] ip_fib_trie 0KB 3KB [ 500.412172] ip_fib_alias 0KB 3KB [ 500.417539] ip_dst_cache 3KB 8KB [ 500.422904] RAW 5KB 7KB [ 500.428286] UDP 29KB 31KB [ 500.434107] TCP 7KB 7KB [ 500.441217] hugetlbfs_inode_cache 1KB 7KB [ 500.446925] eventpoll_pwq 9KB 11KB [ 500.453592] eventpoll_epi 18KB 23KB [ 500.461135] inotify_inode_mark 4KB 7KB [ 500.466859] request_queue 31KB 33KB [ 500.472219] blkdev_ioc 22KB 27KB [ 500.477583] bio-0 731KB 731KB [ 500.482959] biovec-(1<<(21-12)) 536KB 536KB [ 500.488487] biovec-128 535KB 535KB [ 500.494676] biovec-64 393KB 393KB [ 500.500804] biovec-16 62KB 63KB [ 500.506876] bio_integrity_payload 0KB 4KB [ 500.513343] khugepaged_mm_slot 0KB 3KB [ 500.518820] uid_cache 0KB 3KB [ 500.524201] dmaengine-unmap-2 0KB 3KB [ 500.529587] audit_buffer 0KB 3KB [ 500.534951] skbuff_fclone_cache 131KB 135KB [ 500.540495] skbuff_head_cache 1644KB 1687KB [ 500.545857] configfs_dir_cache 0KB 4KB [ 500.551314] file_lock_cache 148KB 150KB [ 500.556677] file_lock_ctx 1KB 3KB [ 500.562054] fsnotify_mark_connector 2KB 3KB [ 500.567936] shmem_inode_cache 879KB 879KB [ 500.573304] task_delay_info 275KB 383KB [ 500.578663] sigqueue 313KB 322KB [ 500.584044] kernfs_node_cache 1840KB 1842KB [ 500.589399] mnt_cache 14KB 20KB [ 500.594768] filp 8088KB 8137KB [ 500.600139] names_cache 112676KB 112705KB [ 500.605517] avc_node 37KB 43KB [ 500.610875] selinux_file_security 401KB 418KB [ 500.616591] selinux_inode_security 1886KB 1896KB [ 500.622383] key_jar 3KB 7KB [ 500.627750] nsproxy 0KB 3KB [ 500.633125] vm_area_struct 16871KB 16911KB [ 500.638503] mm_struct 3940KB 3976KB [ 500.643862] fs_cache 365KB 464KB [ 500.649230] files_cache 1371KB 1605KB [ 500.654588] signal_cache 2199KB 2508KB [ 500.659954] sighand_cache 201KB 270KB [ 500.665328] task_struct 9389KB 9389KB [ 500.670705] cred_jar 2188KB 2212KB [ 500.676589] anon_vma_chain 6894KB 6914KB [ 500.681954] anon_vma 120KB 246KB [ 500.687327] pid 191KB 292KB [ 500.693580] Acpi-Operand 106KB 170KB [ 500.698955] Acpi-Namespace 19KB 23KB [ 500.704409] numa_policy 0KB 3KB [ 500.709782] debug_objects_cache 437KB 438KB [ 500.715326] trace_event_file 144KB 147KB [ 500.720700] ftrace_event_field 254KB 255KB [ 500.726142] pool_workqueue 21KB 24KB [ 500.731508] page->ptl 2720KB 2727KB [ 500.736907] kmalloc-262144 1032KB 1032KB [ 500.742263] kmalloc-131072 650KB 650KB [ 500.747628] kmalloc-65536 264KB 264KB [ 500.753000] kmalloc-32768 462KB 462KB [ 500.758404] kmalloc-16384 148KB 148KB [ 500.763763] kmalloc-8192 412KB 412KB [ 500.769529] kmalloc-4096 7611KB 7641KB [ 500.775588] kmalloc-2048 2989KB 2996KB [ 500.780955] kmalloc-1024 4646KB 4646KB [ 500.787377] kmalloc-512 2870KB 3086KB [ 500.793522] kmalloc-256 1524KB 1856KB [ 500.798907] kmalloc-128 382KB 504KB [ 500.804279] kmalloc-96 1960KB 1964KB [ 500.809652] kmalloc-64 2315KB 2320KB [ 500.815028] kmalloc-32 2273KB 2299KB [ 500.820448] kmalloc-192 800KB 804KB [ 500.825808] kmem_cache 96KB 97KB [ 500.831196] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 500.839846] [ 1606] 0 1606 5366 167 90112 0 -1000 udevd [ 500.848055] [ 2999] 0 2999 30649 270 118784 0 0 rsyslogd [ 500.856480] [ 3054] 0 3054 3736 44 69632 0 0 mcstransd [ 500.864988] [ 3056] 0 3056 4725 51 81920 0 0 cron [ 500.873066] [ 3089] 0 3089 12490 152 135168 0 -1000 sshd [ 500.881124] [ 3124] 0 3124 3694 40 73728 0 0 getty [ 500.889287] [ 3125] 0 3125 3694 40 69632 0 0 getty [ 500.897447] [ 3126] 0 3126 3694 41 77824 0 0 getty [ 500.905605] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 500.913751] [ 3128] 0 3128 3694 41 69632 0 0 getty [ 500.921908] [ 3129] 0 3129 3694 40 77824 0 0 getty [ 500.930054] [ 3130] 0 3130 3649 41 73728 0 0 getty [ 500.938648] [ 3131] 0 3131 5681 454 86016 0 -1000 udevd [ 500.946797] [ 3132] 0 3132 5681 454 86016 0 -1000 udevd [ 500.954963] [ 3152] 0 3152 17821 197 188416 0 0 sshd [ 500.963039] [ 3154] 0 3154 280 1 32768 0 0 syzkaller642723 [ 500.972069] [ 3155] 0 3155 4371 0 32768 0 0 syzkaller642723 [ 500.981082] [ 3156] 0 3156 4371 0 32768 0 0 syzkaller642723 [ 500.990107] [ 3157] 0 3157 4371 0 32768 0 0 syzkaller642723 [ 500.999142] [ 3158] 0 3158 4371 0 32768 0 0 syzkaller642723 [ 501.008155] [ 3159] 0 3159 4371 0 32768 0 0 syzkaller642723 [ 501.017177] [ 3160] 0 3160 4371 0 32768 0 0 syzkaller642723 [ 501.026212] [ 3161] 0 3161 4371 0 32768 0 0 syzkaller642723 [ 501.036887] [ 3162] 0 3162 4371 0 32768 0 0 syzkaller642723 [ 501.045904] Out of memory: Kill process 2999 (rsyslogd) score 0 or sacrifice child [ 501.054230] Killed process 2999 (rsyslogd) total-vm:122596kB, anon-rss:1080kB, file-rss:0kB, shmem-rss:0kB [ 501.065376] rsyslogd (3002) used greatest stack depth: 10096 bytes left [ 501.066290] oom_reaper: reaped process 2999 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 501.068944] kworker/1:2 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 501.068949] kworker/1:2 cpuset=/ mems_allowed=0 Connection to 10.128.15.193 closed by remote host. [ 501.068966] CPU: 1 PID: 1410 Comm: kworker/1:2 Not tainted 4.15.0-rc4-