INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-mmots-kasan-gce-1,10.128.15.221' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 197.300778] kworker/0:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 197.302602] kworker/0:1 cpuset=/ mems_allowed=0 [ 197.303539] CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.14.0-rc5-mm1+ #20 [ 197.304523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 197.305754] Workqueue: events pcpu_balance_workfn [ 197.306399] Call Trace: [ 197.306765] dump_stack+0x194/0x257 [ 197.307263] ? arch_local_irq_restore+0x53/0x53 [ 197.307903] ? dump_header+0x1d9/0xe0e [ 197.308432] dump_header+0x28e/0xe0e [ 197.308946] ? pagefault_out_of_memory+0x152/0x152 [ 197.309617] ? check_noncircular+0x20/0x20 [ 197.310192] ? mark_lock+0x59f/0x13d0 [ 197.310717] ? print_irqtrace_events+0x270/0x270 [ 197.311353] ? __lock_acquire+0x6aa/0x3d50 [ 197.311937] ? find_held_lock+0x35/0x1d0 [ 197.312492] ? check_noncircular+0x20/0x20 [ 197.313094] ? task_will_free_mem+0x252/0xaa0 [ 197.313717] ? find_held_lock+0x35/0x1d0 [ 197.314278] ? ___ratelimit+0x30d/0x630 [ 197.314825] ? lock_downgrade+0x990/0x990 [ 197.315485] ? do_raw_spin_trylock+0x190/0x190 [ 197.316106] ? mark_held_locks+0xaf/0x100 [ 197.316665] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 197.317347] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 197.318020] ? trace_hardirqs_on+0xd/0x10 [ 197.318581] ? ___ratelimit+0x95/0x630 [ 197.319109] ? idr_get_free_cmn+0xfd0/0xfd0 [ 197.319691] ? check_noncircular+0x20/0x20 [ 197.320259] ? find_held_lock+0x138/0x1d0 [ 197.320842] oom_kill_process+0x86d/0x13c0 [ 197.324391] ? has_ns_capability_noaudit+0x163/0x2a0 [ 197.329476] ? lock_downgrade+0x990/0x990 [ 197.333610] ? oom_evaluate_task+0x480/0x480 [ 197.338007] ? security_capable_noaudit+0x8b/0xc0 [ 197.342831] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 197.347902] ? has_capability+0x30/0x30 [ 197.351850] ? check_noncircular+0x20/0x20 [ 197.356063] ? has_capability_noaudit+0x24/0x30 [ 197.360703] ? oom_badness+0xd1/0x980 [ 197.364470] ? lock_release+0xa40/0xa40 [ 197.368414] ? do_try_to_free_pages+0xc53/0x1020 [ 197.373141] ? find_lock_task_mm+0x460/0x460 [ 197.377526] ? find_held_lock+0x35/0x1d0 [ 197.381567] ? out_of_memory+0xaa9/0x11d0 [ 197.385684] ? lock_downgrade+0x990/0x990 [ 197.389803] ? lock_release+0xa40/0xa40 [ 197.393742] ? lock_acquire+0x1d5/0x580 [ 197.397687] ? blocking_notifier_call_chain+0x112/0x190 [ 197.403020] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 197.408023] ? oom_evaluate_task+0x284/0x480 [ 197.412407] out_of_memory+0x7dc/0x11d0 [ 197.416362] ? oom_killer_disable+0x310/0x310 [ 197.420825] ? mutex_trylock+0x23a/0x2d0 [ 197.424856] ? __lock_is_held+0xb6/0x140 [ 197.428888] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 197.434321] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 197.439163] ? warn_alloc+0x2f0/0x2f0 [ 197.442933] ? mutex_spin_on_owner+0x358/0x940 [ 197.447491] ? __lock_acquire+0x6aa/0x3d50 [ 197.451692] ? lock_release+0xa40/0xa40 [ 197.455635] ? in_lock_functions+0x20/0x20 [ 197.459837] ? lock_release+0xa40/0xa40 [ 197.463793] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 197.468953] ? mutex_spin_on_owner+0x377/0x940 [ 197.473518] ? check_noncircular+0x20/0x20 [ 197.477721] ? osq_lock+0xd80/0xd80 [ 197.481315] ? select_task_rq_fair+0x3470/0x3470 [ 197.486049] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 197.491902] ? account_entity_dequeue+0x22e/0x590 [ 197.496719] ? rcu_note_context_switch+0x710/0x710 [ 197.501622] ? __might_sleep+0x95/0x190 [ 197.505579] ? __lock_is_held+0xb6/0x140 [ 197.509628] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 197.515495] ? __might_sleep+0x95/0x190 [ 197.519452] __alloc_pages_nodemask+0x9fb/0xd80 [ 197.524098] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 197.529100] ? find_held_lock+0x35/0x1d0 [ 197.533138] ? __lock_is_held+0xb6/0x140 [ 197.537179] ? find_next_bit+0x27/0x30 [ 197.541044] pcpu_populate_chunk+0x1b3/0x880 [ 197.545436] pcpu_balance_workfn+0xf3e/0x1520 [ 197.549902] ? check_noncircular+0x20/0x20 [ 197.554107] ? check_noncircular+0x20/0x20 [ 197.558311] ? check_noncircular+0x20/0x20 [ 197.562526] ? pcpu_create_chunk+0x900/0x900 [ 197.566903] ? __lock_acquire+0x6aa/0x3d50 [ 197.571113] ? check_noncircular+0x20/0x20 [ 197.575324] ? lock_acquire+0x1d5/0x580 [ 197.579266] ? lock_acquire+0x1d5/0x580 [ 197.583207] ? process_one_work+0xb32/0x1bc0 [ 197.587601] ? __lock_is_held+0xb6/0x140 [ 197.591646] process_one_work+0xbf0/0x1bc0 [ 197.595850] ? _raw_spin_unlock_irq+0x27/0x70 [ 197.600327] ? pwq_dec_nr_in_flight+0x450/0x450 [ 197.604971] ? preempt_notifier_dec+0x20/0x20 [ 197.609447] ? __schedule+0x8f3/0x2060 [ 197.613318] ? check_noncircular+0x20/0x20 [ 197.617522] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 197.622511] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 197.627244] ? retint_kernel+0x10/0x10 [ 197.631118] ? lock_acquire+0x1d5/0x580 [ 197.635063] ? lock_acquire+0x1d5/0x580 [ 197.639009] ? worker_thread+0x4a3/0x1990 [ 197.643129] ? lock_downgrade+0x990/0x990 [ 197.647250] ? lock_release+0xa40/0xa40 [ 197.651194] ? do_raw_spin_trylock+0x190/0x190 [ 197.655744] ? retint_kernel+0x10/0x10 [ 197.659623] worker_thread+0x223/0x1990 [ 197.663591] ? process_one_work+0x1bc0/0x1bc0 [ 197.668058] ? _raw_spin_unlock_irq+0x27/0x70 [ 197.672524] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 197.677513] ? trace_hardirqs_on+0xd/0x10 [ 197.681632] ? mmdrop+0x18/0x30 [ 197.684881] ? finish_task_switch+0x1f6/0x740 [ 197.689349] ? preempt_notifier_dec+0x20/0x20 [ 197.693826] ? __schedule+0x8f3/0x2060 [ 197.697708] ? find_held_lock+0x35/0x1d0 [ 197.701747] ? find_held_lock+0x35/0x1d0 [ 197.705785] ? complete+0x62/0x80 [ 197.709220] ? __schedule+0x2060/0x2060 [ 197.713162] ? do_wait_intr+0x3d0/0x3e0 [ 197.717106] ? __lockdep_init_map+0xe4/0x650 [ 197.721489] ? lockdep_init_map+0x9/0x10 [ 197.725524] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 197.730597] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 197.735581] ? trace_hardirqs_on+0xd/0x10 [ 197.739700] ? __kthread_parkme+0x175/0x240 [ 197.743994] kthread+0x38b/0x470 [ 197.747330] ? process_one_work+0x1bc0/0x1bc0 [ 197.751791] ? kthread_create_on_node+0x100/0x100 [ 197.756607] ret_from_fork+0x2a/0x40 [ 197.760373] Mem-Info: [ 197.762792] active_anon:4379 inactive_anon:33 isolated_anon:0 [ 197.762792] active_file:14 inactive_file:0 isolated_file:0 [ 197.762792] unevictable:0 dirty:0 writeback:0 unstable:0 [ 197.762792] slab_reclaimable:5977 slab_unreclaimable:83551 [ 197.762792] mapped:2 shmem:39 pagetables:1543 bounce:0 [ 197.762792] free:24180 free_pcp:259 free_cma:0 [ 197.794934] Node 0 active_anon:17516kB inactive_anon:132kB active_file:56kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 197.821398] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 197.847518] lowmem_reserve[]: 0 2886 6400 6400 [ 197.852118] Node 0 DMA32 free:44356kB min:30408kB low:38008kB high:45608kB active_anon:2272kB inactive_anon:0kB active_file:0kB inactive_file:68kB unevictable:0kB writepending:0kB present:3129332kB managed:2958448kB mlocked:0kB kernel_stack:3200kB pagetables:1100kB bounce:0kB free_pcp:792kB local_pcp:120kB free_cma:0kB [ 197.880524] lowmem_reserve[]: 0 0 3513 3513 [ 197.884868] Node 0 Normal free:36456kB min:37008kB low:46260kB high:55512kB active_anon:15244kB inactive_anon:132kB active_file:44kB inactive_file:80kB unevictable:0kB writepending:0kB present:4718592kB managed:3597488kB mlocked:0kB kernel_stack:13504kB pagetables:5072kB bounce:0kB free_pcp:244kB local_pcp:120kB free_cma:0kB [ 197.913766] lowmem_reserve[]: 0 0 0 0 [ 197.917578] 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 [ 197.931205] Node 0 DMA32: 45*4kB (ME) 26*8kB (ME) 8*16kB (M) 8*32kB (ME) 7*64kB (UME) 9*128kB (UME) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UE) 4*2048kB (UME) 7*4096kB (M) = 44356kB [ 197.947315] Node 0 Normal: 660*4kB (ME) 455*8kB (UME) 260*16kB (ME) 153*32kB (UME) 76*64kB (ME) 49*128kB (UM) 19*256kB (UM) 6*512kB (UME) 2*1024kB (M) 0*2048kB 0*4096kB = 36456kB [ 197.963418] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 197.971983] 81 total pagecache pages [ 197.975695] 0 pages in swap cache [ 197.979132] Swap cache stats: add 0, delete 0, find 0/0 [ 197.984499] Free swap = 0kB [ 197.987514] Total swap = 0kB [ 197.990537] 1965979 pages RAM [ 197.993654] 0 pages HighMem/MovableOnly [ 197.997621] 323018 pages reserved [ 198.001097] Unreclaimable slab info: [ 198.004843] Name Used Total [ 198.010428] TIPC 1KB 7KB [ 198.015792] SCTPv6 2KB 4KB [ 198.021146] DCCPv6 2KB 7KB [ 198.026517] DCCP 2KB 6KB [ 198.031889] fib6_nodes 0KB 4KB [ 198.037240] ip6_dst_cache 7KB 7KB [ 198.042612] RAWv6 9KB 19KB [ 198.047972] UDPv6 12KB 14KB [ 198.053326] TCPv6 2KB 5KB [ 198.058701] sd_ext_cdb 0KB 3KB [ 198.064072] scsi_sense_cache 103KB 148KB [ 198.069437] virtio_scsi_cmd 16KB 16KB [ 198.074874] sgpool-128 8KB 8KB [ 198.080238] sgpool-64 4KB 6KB [ 198.085594] sgpool-32 42KB 47KB [ 198.090943] sgpool-16 18KB 18KB [ 198.096309] sgpool-8 234KB 236KB [ 198.101671] cfq_io_cq 15KB 23KB [ 198.107031] cfq_queue 25KB 34KB [ 198.112395] mqueue_inode_cache 1KB 7KB [ 198.117839] nfs_commit_data 3KB 7KB [ 198.123187] nfs_write_data 34KB 37KB [ 198.128555] jbd2_inode 1KB 3KB [ 198.133913] ext4_system_zone 0KB 3KB [ 198.139268] bio-1 1KB 3KB [ 198.144640] rpc_buffers 17KB 19KB [ 198.149996] rpc_tasks 2KB 3KB [ 198.155353] UNIX 433KB 435KB [ 198.160724] tcp_bind_bucket 0KB 4KB [ 198.166100] ip_fib_trie 0KB 3KB [ 198.171462] ip_fib_alias 0KB 3KB [ 198.176808] ip_dst_cache 4KB 7KB [ 198.182172] RAW 5KB 7KB [ 198.187529] UDP 30KB 32KB [ 198.192877] TCP 7KB 7KB [ 198.198238] hugetlbfs_inode_cache 1KB 7KB [ 198.203944] eventpoll_pwq 10KB 15KB [ 198.209294] eventpoll_epi 19KB 23KB [ 198.214657] inotify_inode_mark 2KB 7KB [ 198.220117] request_queue 31KB 39KB [ 198.225475] blkdev_ioc 22KB 31KB [ 198.230828] bio-0 280KB 296KB [ 198.236193] biovec-(1<<(21-12)) 404KB 404KB [ 198.241722] biovec-128 46KB 51KB [ 198.247072] biovec-64 15KB 31KB [ 198.252436] biovec-16 8KB 15KB [ 198.257791] khugepaged_mm_slot 0KB 3KB [ 198.263237] uid_cache 0KB 3KB [ 198.268600] dmaengine-unmap-2 0KB 3KB [ 198.273958] skbuff_fclone_cache 245KB 247KB [ 198.279485] skbuff_head_cache 1753KB 1803KB [ 198.284835] configfs_dir_cache 0KB 4KB [ 198.290283] file_lock_cache 147KB 150KB [ 198.295639] file_lock_ctx 1KB 3KB [ 198.300990] fsnotify_mark_connector 1KB 3KB [ 198.306868] shmem_inode_cache 752KB 754KB [ 198.312233] task_delay_info 526KB 533KB [ 198.317591] taskstats 3KB 7KB [ 198.322940] sigqueue 302KB 334KB [ 198.328302] kernfs_node_cache 1701KB 1704KB [ 198.333660] mnt_cache 14KB 20KB [ 198.339025] filp 7527KB 7680KB [ 198.344403] names_cache 104813KB 104813KB [ 198.349761] avc_node 2KB 3KB [ 198.355110] selinux_file_security 376KB 410KB [ 198.360808] selinux_inode_security 1537KB 1544KB [ 198.366604] key_jar 2KB 7KB [ 198.371962] nsproxy 0KB 3KB [ 198.377313] vm_area_struct 17604KB 17700KB [ 198.382679] mm_struct 3386KB 3568KB [ 198.388047] fs_cache 356KB 496KB [ 198.393407] files_cache 1336KB 1533KB [ 198.398768] signal_cache 2139KB 2609KB [ 198.404130] sighand_cache 201KB 277KB [ 198.409494] task_struct 17574KB 17574KB [ 198.414843] cred_jar 2071KB 2420KB [ 198.420209] anon_vma_chain 7282KB 7355KB [ 198.425565] anon_vma 116KB 165KB [ 198.430917] pid 366KB 372KB [ 198.436282] Acpi-Operand 106KB 166KB [ 198.441642] Acpi-Namespace 19KB 23KB [ 198.447024] numa_policy 0KB 3KB [ 198.452388] trace_event_file 139KB 139KB [ 198.457746] ftrace_event_field 245KB 248KB [ 198.463184] pool_workqueue 9KB 12KB [ 198.468550] page->ptl 2887KB 2925KB [ 198.473925] kmalloc-262144 1032KB 1032KB [ 198.479277] kmalloc-131072 650KB 650KB [ 198.484644] kmalloc-65536 264KB 264KB [ 198.490005] kmalloc-32768 462KB 462KB [ 198.495384] kmalloc-16384 132KB 132KB [ 198.500747] kmalloc-8192 4116KB 4116KB [ 198.506113] kmalloc-4096 12847KB 12852KB [ 198.511472] kmalloc-2048 3066KB 3066KB [ 198.516821] kmalloc-1024 3724KB 3724KB [ 198.522183] kmalloc-512 2911KB 3168KB [ 198.527537] kmalloc-256 1240KB 1402KB [ 198.532884] kmalloc-128 309KB 468KB [ 198.538245] kmalloc-96 576KB 576KB [ 198.543602] kmalloc-64 608KB 608KB [ 198.548949] kmalloc-32 995KB 1405KB [ 198.554372] kmalloc-192 182KB 192KB [ 198.559733] kmem_cache 90KB 93KB [ 198.565082] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 198.573709] [ 1516] 0 1516 5316 114 90112 0 -1000 udevd [ 198.581888] [ 1617] 0 1617 5315 115 86016 0 -1000 udevd [ 198.590047] [ 1618] 0 1618 5315 114 86016 0 -1000 udevd [ 198.598204] [ 2746] 0 2746 2493 573 65536 0 0 dhclient [ 198.606619] [ 2876] 0 2876 14245 112 118784 0 0 rsyslogd [ 198.615045] [ 2911] 0 2911 4725 48 81920 0 0 cron [ 198.623115] [ 2937] 0 2937 12490 153 135168 0 -1000 sshd [ 198.631183] [ 2961] 0 2961 3694 41 73728 0 0 getty [ 198.639339] [ 2962] 0 2962 3694 40 77824 0 0 getty [ 198.647497] [ 2963] 0 2963 3694 41 73728 0 0 getty [ 198.655652] [ 2964] 0 2964 3694 40 73728 0 0 getty [ 198.663789] [ 2965] 0 2965 3694 41 73728 0 0 getty [ 198.671918] [ 2966] 0 2966 3694 40 73728 0 0 getty [ 198.680049] [ 2967] 0 2967 3649 39 73728 0 0 getty [ 198.688187] [ 2988] 0 2988 17821 196 188416 0 0 sshd [ 198.696232] [ 2990] 0 2990 300 1 32768 0 0 syzkaller898523 [ 198.705247] [ 2991] 0 2991 422394 437 888832 0 0 syzkaller898523 [ 198.714254] [ 2992] 0 2992 291258 306 622592 0 0 syzkaller898523 [ 198.723268] [ 2993] 0 2993 367071 383 774144 0 0 syzkaller898523 [ 198.732283] [ 2995] 0 2995 371169 388 782336 0 0 syzkaller898523 [ 198.741309] [ 2998] 0 2998 350679 368 741376 0 0 syzkaller898523 [ 198.750316] [ 3001] 0 3001 352728 369 745472 0 0 syzkaller898523 [ 198.759345] [ 3002] 0 3002 403953 421 851968 0 0 syzkaller898523 [ 198.769056] Out of memory: Kill process 2991 (syzkaller898523) score 0 or sacrifice child [ 198.777709] Killed process 2991 (syzkaller898523) total-vm:1689576kB, anon-rss:1748kB, file-rss:0kB, shmem-rss:0kB [ 198.794321] oom_reaper: reaped process 2991 (syzkaller898523), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 199.392051] kworker/1:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 199.404277] kworker/1:1 cpuset=/ mems_allowed=0 [ 199.408984] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.14.0-rc5-mm1+ #20 [ 199.416155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 199.425492] Workqueue: events pcpu_balance_workfn [ 199.430307] Call Trace: [ 199.432872] dump_stack+0x194/0x257 [ 199.436482] ? arch_local_irq_restore+0x53/0x53 [ 199.441131] ? dump_header+0x1d9/0xe0e [ 199.444994] dump_header+0x28e/0xe0e [ 199.448702] ? pagefault_out_of_memory+0x152/0x152 [ 199.453608] ? check_noncircular+0x20/0x20 [ 199.457808] ? mark_held_locks+0xaf/0x100 [ 199.461929] ? retint_kernel+0x10/0x10 [ 199.465790] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 199.470796] ? print_irqtrace_events+0x270/0x270 [ 199.475520] ? __lock_acquire+0x6aa/0x3d50 [ 199.479721] ? retint_kernel+0x10/0x10 [ 199.483589] ? find_held_lock+0x35/0x1d0 [ 199.487644] ? check_noncircular+0x20/0x20 [ 199.491856] ? task_will_free_mem+0x252/0xaa0 [ 199.496325] ? find_held_lock+0x35/0x1d0 [ 199.500361] ? ___ratelimit+0x30d/0x630 [ 199.504304] ? lock_downgrade+0x990/0x990 [ 199.508427] ? do_raw_spin_trylock+0x190/0x190 [ 199.512981] ? mark_held_locks+0xaf/0x100 [ 199.517109] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 199.522190] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 199.527181] ? trace_hardirqs_on+0xd/0x10 [ 199.531318] ? ___ratelimit+0x95/0x630 [ 199.535195] ? idr_get_free_cmn+0xfd0/0xfd0 [ 199.539498] ? check_noncircular+0x20/0x20 [ 199.543714] ? find_held_lock+0x138/0x1d0 [ 199.547846] oom_kill_process+0x86d/0x13c0 [ 199.552059] ? has_ns_capability_noaudit+0x163/0x2a0 [ 199.557137] ? lock_downgrade+0x990/0x990 [ 199.561276] ? oom_evaluate_task+0x480/0x480 [ 199.565683] ? security_capable_noaudit+0x8b/0xc0 [ 199.570506] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 199.575584] ? has_capability+0x30/0x30 [ 199.579547] ? check_noncircular+0x20/0x20 [ 199.583778] ? has_capability_noaudit+0x24/0x30 [ 199.588423] ? oom_badness+0xd1/0x980 [ 199.592189] ? lock_release+0xa40/0xa40 [ 199.596130] ? do_try_to_free_pages+0xc53/0x1020 [ 199.600869] ? find_lock_task_mm+0x460/0x460 [ 199.605264] ? find_held_lock+0x35/0x1d0 [ 199.609310] ? out_of_memory+0xaa9/0x11d0 [ 199.613445] ? lock_downgrade+0x990/0x990 [ 199.617565] ? lock_release+0xa40/0xa40 [ 199.621505] ? lock_acquire+0x1d5/0x580 [ 199.625447] ? blocking_notifier_call_chain+0x112/0x190 [ 199.630784] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 199.635783] ? oom_evaluate_task+0x284/0x480 [ 199.640178] out_of_memory+0x7dc/0x11d0 [ 199.644154] ? oom_killer_disable+0x310/0x310 [ 199.648642] ? mutex_trylock+0x23a/0x2d0 [ 199.652699] ? __lock_is_held+0xb6/0x140 [ 199.656749] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 199.662210] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 199.667058] ? warn_alloc+0x2f0/0x2f0 [ 199.670838] ? __lock_acquire+0x6aa/0x3d50 [ 199.675040] ? lock_downgrade+0x990/0x990 [ 199.679161] ? lock_release+0xa40/0xa40 [ 199.683112] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 199.688283] ? lock_acquire+0x1d5/0x580 [ 199.692237] ? lock_acquire+0x1d5/0x580 [ 199.696194] ? pcpu_balance_workfn+0x134/0x1520 [ 199.700838] ? check_noncircular+0x20/0x20 [ 199.705041] ? select_task_rq_fair+0x3470/0x3470 [ 199.709772] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 199.715623] ? account_entity_dequeue+0x22e/0x590 [ 199.720445] ? rcu_note_context_switch+0x710/0x710 [ 199.725354] ? __might_sleep+0x95/0x190 [ 199.729308] ? __lock_is_held+0xb6/0x140 [ 199.733353] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 199.739229] ? __might_sleep+0x95/0x190 [ 199.743194] __alloc_pages_nodemask+0x9fb/0xd80 [ 199.747847] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 199.752833] ? do_raw_spin_trylock+0x190/0x190 [ 199.757413] ? find_held_lock+0x35/0x1d0 [ 199.761468] ? __lock_is_held+0xb6/0x140 [ 199.765524] ? find_next_bit+0x27/0x30 [ 199.769402] pcpu_populate_chunk+0x1b3/0x880 [ 199.773800] pcpu_balance_workfn+0xf3e/0x1520 [ 199.778265] ? check_noncircular+0x20/0x20 [ 199.782468] ? check_noncircular+0x20/0x20 [ 199.786696] ? check_noncircular+0x20/0x20 [ 199.790907] ? pcpu_create_chunk+0x900/0x900 [ 199.795292] ? __lock_acquire+0x6aa/0x3d50 [ 199.799519] ? check_noncircular+0x20/0x20 [ 199.803749] ? lock_acquire+0x1d5/0x580 [ 199.807702] ? lock_acquire+0x1d5/0x580 [ 199.811657] ? process_one_work+0xb32/0x1bc0 [ 199.816063] ? __lock_is_held+0xb6/0x140 [ 199.820122] process_one_work+0xbf0/0x1bc0 [ 199.824326] ? _raw_spin_unlock_irq+0x27/0x70 [ 199.828803] ? pwq_dec_nr_in_flight+0x450/0x450 [ 199.833455] ? preempt_notifier_dec+0x20/0x20 [ 199.837937] ? __schedule+0x8f3/0x2060 [ 199.841806] ? check_noncircular+0x20/0x20 [ 199.846012] ? __lock_is_held+0xb6/0x140 [ 199.850057] ? wake_q_add+0x90/0x90 [ 199.853675] ? lock_acquire+0x1d5/0x580 [ 199.857628] ? lock_acquire+0x1d5/0x580 [ 199.861580] ? worker_thread+0x4a3/0x1990 [ 199.865703] ? lock_downgrade+0x990/0x990 [ 199.869822] ? lock_release+0xa40/0xa40 [ 199.873763] ? do_raw_spin_trylock+0x190/0x190 [ 199.878319] ? worker_pool_assign_id+0x1b0/0x1b0 [ 199.883068] worker_thread+0x223/0x1990 [ 199.887030] ? process_one_work+0x1bc0/0x1bc0 [ 199.891497] ? _raw_spin_unlock_irq+0x27/0x70 [ 199.895966] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 199.900950] ? trace_hardirqs_on+0xd/0x10 [ 199.905066] ? mmdrop+0x18/0x30 [ 199.908324] ? finish_task_switch+0x1f6/0x740 [ 199.912806] ? preempt_notifier_dec+0x20/0x20 [ 199.917282] ? __schedule+0x8f3/0x2060 [ 199.921158] ? find_held_lock+0x35/0x1d0 [ 199.925198] ? find_held_lock+0x35/0x1d0 [ 199.929234] ? complete+0x62/0x80 [ 199.932675] ? __schedule+0x2060/0x2060 [ 199.936626] ? do_wait_intr+0x3d0/0x3e0 [ 199.940583] ? __lockdep_init_map+0xe4/0x650 [ 199.944971] ? lockdep_init_map+0x9/0x10 [ 199.949003] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 199.954087] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 199.959080] ? trace_hardirqs_on+0xd/0x10 [ 199.963196] ? __kthread_parkme+0x175/0x240 [ 199.967490] kthread+0x38b/0x470 [ 199.970824] ? process_one_work+0x1bc0/0x1bc0 [ 199.975287] ? kthread_create_on_node+0x100/0x100 [ 199.980112] ret_from_fork+0x2a/0x40 [ 199.983877] Mem-Info: [ 199.986327] active_anon:3943 inactive_anon:33 isolated_anon:0 [ 199.986327] active_file:25 inactive_file:1 isolated_file:0 [ 199.986327] unevictable:0 dirty:0 writeback:0 unstable:0 [ 199.986327] slab_reclaimable:5977 slab_unreclaimable:83594 [ 199.986327] mapped:18 shmem:39 pagetables:1543 bounce:0 [ 199.986327] free:24192 free_pcp:176 free_cma:0 [ 200.018560] Node 0 active_anon:15772kB inactive_anon:132kB active_file:100kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 200.045192] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 200.071308] lowmem_reserve[]: 0 2886 6400 6400 [ 200.075896] Node 0 DMA32 free:44380kB min:30408kB low:38008kB high:45608kB active_anon:1884kB inactive_anon:0kB active_file:68kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2958448kB mlocked:0kB kernel_stack:3200kB pagetables:1100kB bounce:0kB free_pcp:500kB local_pcp:296kB free_cma:0kB [ 200.104278] lowmem_reserve[]: 0 0 3513 3513 [ 200.108632] Node 0 Normal free:36480kB min:37008kB low:46260kB high:55512kB active_anon:13888kB inactive_anon:132kB active_file:32kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3597488kB mlocked:0kB kernel_stack:13504kB pagetables:5072kB bounce:0kB free_pcp:204kB local_pcp:60kB free_cma:0kB [ 200.137453] lowmem_reserve[]: 0 0 0 0 [ 200.141259] 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 [ 200.154848] Node 0 DMA32: 19*4kB (UME) 10*8kB (UME) 20*16kB (UM) 8*32kB (UME) 6*64kB (UME) 4*128kB (ME) 5*256kB (UME) 3*512kB (ME) 3*1024kB (UE) 4*2048kB (UME) 7*4096kB (M) = 44380kB [ 200.171325] Node 0 Normal: 635*4kB (UME) 497*8kB (ME) 269*16kB (UME) 154*32kB (UME) 72*64kB (UME) 49*128kB (UM) 18*256kB (M) 6*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 36356kB [ 200.187520] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 200.196091] 90 total pagecache pages [ 200.199800] 0 pages in swap cache [ 200.203237] Swap cache stats: add 0, delete 0, find 0/0 [ 200.208596] Free swap = 0kB [ 200.211603] Total swap = 0kB [ 200.214621] 1965979 pages RAM [ 200.217716] 0 pages HighMem/MovableOnly [ 200.221671] 323018 pages reserved [ 200.225109] Unreclaimable slab info: [ 200.228806] Name Used Total [ 200.234349] TIPC 1KB 7KB [ 200.239719] SCTPv6 2KB 4KB [ 200.245074] DCCPv6 2KB 7KB [ 200.250444] DCCP 2KB 6KB [ 200.255816] fib6_nodes 0KB 4KB [ 200.261164] ip6_dst_cache 7KB 7KB [ 200.266522] RAWv6 9KB 19KB [ 200.271872] UDPv6 12KB 14KB [ 200.277223] TCPv6 2KB 5KB [ 200.282593] sd_ext_cdb 0KB 3KB [ 200.287951] scsi_sense_cache 122KB 148KB [ 200.293298] virtio_scsi_cmd 16KB 16KB [ 200.298666] sgpool-128 8KB 8KB [ 200.304035] sgpool-64 4KB 6KB [ 200.309391] sgpool-32 94KB 94KB [ 200.314755] sgpool-16 26KB 26KB [ 200.320127] sgpool-8 240KB 240KB [ 200.325487] cfq_io_cq 18KB 23KB [ 200.330837] cfq_queue 30KB 34KB [ 200.336207] mqueue_inode_cache 1KB 7KB [ 200.341652] nfs_commit_data 3KB 7KB [ 200.347089] nfs_write_data 34KB 37KB [ 200.352455] jbd2_inode 1KB 3KB [ 200.357812] ext4_system_zone 0KB 3KB [ 200.363166] bio-1 1KB 3KB [ 200.368537] rpc_buffers 17KB 19KB [ 200.373894] rpc_tasks 2KB 3KB [ 200.379247] UNIX 433KB 435KB [ 200.384618] tcp_bind_bucket 0KB 4KB [ 200.389979] ip_fib_trie 0KB 3KB [ 200.395355] ip_fib_alias 0KB 3KB [ 200.400711] ip_dst_cache 4KB 7KB [ 200.406079] RAW 5KB 7KB [ 200.411458] UDP 30KB 32KB [ 200.416815] TCP 7KB 7KB [ 200.422181] hugetlbfs_inode_cache 1KB 7KB [ 200.427886] eventpoll_pwq 10KB 15KB [ 200.433258] eventpoll_epi 19KB 23KB [ 200.438613] inotify_inode_mark 2KB 7KB [ 200.444067] request_queue 31KB 39KB [ 200.449446] blkdev_ioc 26KB 31KB [ 200.454803] bio-0 304KB 304KB [ 200.460168] biovec-(1<<(21-12)) 404KB 404KB [ 200.465701] biovec-128 82KB 82KB [ 200.471069] biovec-64 29KB 31KB [ 200.476426] biovec-16 15KB 15KB [ 200.481776] khugepaged_mm_slot 0KB 3KB [ 200.487235] uid_cache 0KB 3KB [ 200.492590] dmaengine-unmap-2 0KB 3KB [ 200.497943] skbuff_fclone_cache 245KB 247KB [ 200.503483] skbuff_head_cache 1753KB 1803KB [ 200.508837] configfs_dir_cache 0KB 4KB [ 200.514287] file_lock_cache 147KB 150KB [ 200.519644] file_lock_ctx 1KB 3KB [ 200.525049] fsnotify_mark_connector 1KB 3KB [ 200.530935] shmem_inode_cache 752KB 754KB [ 200.536302] task_delay_info 526KB 533KB [ 200.541661] taskstats 3KB 7KB [ 200.547041] sigqueue 302KB 334KB [ 200.552396] kernfs_node_cache 1701KB 1704KB [ 200.557746] mnt_cache 14KB 20KB [ 200.563113] filp 7527KB 7680KB [ 200.568468] names_cache 104809KB 104813KB [ 200.573822] avc_node 2KB 3KB [ 200.579188] selinux_file_security 376KB 410KB [ 200.584896] selinux_inode_security 1537KB 1544KB [ 200.590695] key_jar 2KB 7KB [ 200.596068] nsproxy 0KB 3KB [ 200.601443] vm_area_struct 17604KB 17700KB [ 200.606798] mm_struct 3386KB 3568KB [ 200.612159] fs_cache 356KB 496KB [ 200.618347] files_cache 1336KB 1533KB [ 200.623704] signal_cache 2139KB 2609KB [ 200.629091] sighand_cache 201KB 277KB [ 200.634449] task_struct 17574KB 17574KB [ 200.639813] cred_jar 2071KB 2420KB [ 200.645188] anon_vma_chain 7282KB 7355KB [ 200.650547] anon_vma 116KB 165KB [ 200.655922] pid 366KB 372KB [ 200.661291] Acpi-Operand 106KB 166KB [ 200.666650] Acpi-Namespace 19KB 23KB [ 200.672042] numa_policy 0KB 3KB [ 200.677399] trace_event_file 139KB 139KB [ 200.682748] ftrace_event_field 245KB 248KB [ 200.688201] pool_workqueue 9KB 12KB [ 200.693559] page->ptl 2887KB 2925KB [ 200.698929] kmalloc-262144 1032KB 1032KB [ 200.704298] kmalloc-131072 650KB 650KB [ 200.709655] kmalloc-65536 264KB 264KB [ 200.715037] kmalloc-32768 462KB 462KB [ 200.720412] kmalloc-16384 132KB 132KB [ 200.725769] kmalloc-8192 4116KB 4116KB [ 200.731132] kmalloc-4096 12847KB 12852KB [ 200.736507] kmalloc-2048 3066KB 3066KB [ 200.741864] kmalloc-1024 3787KB 3787KB [ 200.747228] kmalloc-512 2911KB 3168KB [ 200.752585] kmalloc-256 1240KB 1402KB [ 200.757948] kmalloc-128 309KB 468KB [ 200.763319] kmalloc-96 576KB 576KB [ 200.768705] kmalloc-64 608KB 608KB [ 200.774061] kmalloc-32 995KB 1405KB [ 200.779445] kmalloc-192 182KB 192KB [ 200.784813] kmem_cache 90KB 93KB [ 200.790176] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 200.798782] [ 1516] 0 1516 5316 114 90112 0 -1000 udevd [ 200.806959] [ 1617] 0 1617 5315 115 86016 0 -1000 udevd [ 200.815120] [ 1618] 0 1618 5315 114 86016 0 -1000 udevd [ 200.823258] [ 2746] 0 2746 2493 573 65536 0 0 dhclient [ 200.831667] [ 2876] 0 2876 14245 159 118784 0 0 rsyslogd [ 200.840090] [ 2911] 0 2911 4725 48 81920 0 0 cron [ 200.848144] [ 2937] 0 2937 12490 153 135168 0 -1000 sshd [ 200.856207] [ 2961] 0 2961 3694 41 73728 0 0 getty [ 200.864362] [ 2962] 0 2962 3694 40 77824 0 0 getty [ 200.872519] [ 2963] 0 2963 3694 41 73728 0 0 getty [ 200.880679] [ 2964] 0 2964 3694 40 73728 0 0 getty [ 200.888838] [ 2965] 0 2965 3694 41 73728 0 0 getty [ 200.896995] [ 2966] 0 2966 3694 40 73728 0 0 getty [ 200.905161] [ 2967] 0 2967 3649 39 73728 0 0 getty [ 200.913308] [ 2988] 0 2988 17821 196 188416 0 0 sshd [ 200.921374] [ 2990] 0 2990 300 1 32768 0 0 syzkaller898523 [ 200.930406] [ 2991] 0 2991 422394 0 888832 0 0 syzkaller898523 [ 200.939417] [ 2992] 0 2992 291258 306 622592 0 0 syzkaller898523 [ 200.948441] [ 2993] 0 2993 367071 383 774144 0 0 syzkaller898523 [ 200.957450] [ 2995] 0 2995 371169 388 782336 0 0 syzkaller898523 [ 200.966475] [ 2998] 0 2998 350679 368 741376 0 0 syzkaller898523 [ 200.975483] [ 3001] 0 3001 352728 369 745472 0 0 syzkaller898523 [ 200.984504] [ 3002] 0 3002 403953 421 851968 0 0 syzkaller898523 [ 200.993504] Out of memory: Kill process 3002 (syzkaller898523) score 0 or sacrifice child [ 201.001941] Killed process 3002 (syzkaller898523) total-vm:1615812kB, anon-rss:1684kB, file-rss:0kB, shmem-rss:0kB [ 201.021603] oom_reaper: reaped process 3002 (syzkaller898523), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 201.327801] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 201.339311] rsyslogd cpuset=/ mems_allowed=0 [ 201.343829] CPU: 0 PID: 2879 Comm: rsyslogd Not tainted 4.14.0-rc5-mm1+ #20 [ 201.350903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 201.360223] Call Trace: [ 201.362779] dump_stack+0x194/0x257 [ 201.366382] ? arch_local_irq_restore+0x53/0x53 [ 201.371035] ? dump_header+0x1d9/0xe0e [ 201.374900] dump_header+0x28e/0xe0e [ 201.378592] ? pagefault_out_of_memory+0x152/0x152 [ 201.383496] ? print_irqtrace_events+0x270/0x270 [ 201.388227] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 201.393413] ? print_irqtrace_events+0x270/0x270 [ 201.398142] ? __lock_acquire+0x6aa/0x3d50 [ 201.402350] ? find_held_lock+0x35/0x1d0 [ 201.406391] ? check_noncircular+0x20/0x20 [ 201.410594] ? task_will_free_mem+0x252/0xaa0 [ 201.415060] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 201.420227] ? find_held_lock+0x35/0x1d0 [ 201.424266] ? ___ratelimit+0x30d/0x630 [ 201.428211] ? lock_downgrade+0x990/0x990 [ 201.432331] ? do_raw_spin_trylock+0x190/0x190 [ 201.436887] ? mark_held_locks+0xaf/0x100 [ 201.441009] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 201.446098] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 201.451093] ? trace_hardirqs_on+0xd/0x10 [ 201.455228] ? ___ratelimit+0x95/0x630 [ 201.459098] ? idr_get_free_cmn+0xfd0/0xfd0 [ 201.463402] ? check_noncircular+0x20/0x20 [ 201.467614] ? find_held_lock+0x138/0x1d0 [ 201.471756] oom_kill_process+0x86d/0x13c0 [ 201.475966] ? has_ns_capability_noaudit+0x163/0x2a0 [ 201.481047] ? check_noncircular+0x20/0x20 [ 201.485273] ? oom_evaluate_task+0x480/0x480 [ 201.489680] ? security_capable_noaudit+0x8b/0xc0 [ 201.494505] ? find_held_lock+0x35/0x1d0 [ 201.498536] ? check_noncircular+0x20/0x20 [ 201.502742] ? oom_unkillable_task+0x394/0x4c0 [ 201.507300] ? lock_downgrade+0x990/0x990 [ 201.511437] ? lock_release+0xa40/0xa40 [ 201.515389] ? do_try_to_free_pages+0xc53/0x1020 [ 201.520135] ? find_lock_task_mm+0x460/0x460 [ 201.524517] ? find_held_lock+0x35/0x1d0 [ 201.528559] ? out_of_memory+0xaa9/0x11d0 [ 201.532677] ? lock_downgrade+0x990/0x990 [ 201.536796] ? lock_release+0xa40/0xa40 [ 201.540741] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 201.545746] ? oom_evaluate_task+0x284/0x480 [ 201.550131] out_of_memory+0x7dc/0x11d0 [ 201.554073] ? trace_hardirqs_on+0xd/0x10 [ 201.558195] ? oom_killer_disable+0x310/0x310 [ 201.562659] ? mutex_trylock+0x23a/0x2d0 [ 201.566691] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 201.572117] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 201.577979] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 201.582798] ? __radix_tree_insert+0x7b0/0x7b0 [ 201.587389] ? warn_alloc+0x2f0/0x2f0 [ 201.591179] ? find_get_entry+0x513/0x9e0 [ 201.595308] ? lock_downgrade+0x990/0x990 [ 201.599454] ? __lock_is_held+0xb6/0x140 [ 201.603520] ? find_get_entry+0x53c/0x9e0 [ 201.607654] ? check_noncircular+0x20/0x20 [ 201.611872] ? blk_init_request_from_bio+0x3d0/0x3d0 [ 201.617682] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 201.622846] ? __radix_tree_lookup+0x435/0x5e0 [ 201.627460] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 201.633343] ? __might_sleep+0x95/0x190 [ 201.637320] __alloc_pages_nodemask+0x9fb/0xd80 [ 201.641969] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 201.646954] ? add_to_page_cache_lru+0x510/0x510 [ 201.651700] ? check_noncircular+0x20/0x20 [ 201.655910] ? check_noncircular+0x20/0x20 [ 201.660116] ? __lock_acquire+0x6aa/0x3d50 [ 201.664319] ? lock_acquire+0x1d5/0x580 [ 201.668257] ? lock_acquire+0x1d5/0x580 [ 201.672216] alloc_pages_current+0xb6/0x1e0 [ 201.676512] __page_cache_alloc+0x334/0x500 [ 201.680803] ? rcu_read_lock_held+0xa9/0xc0 [ 201.685104] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 201.692447] filemap_fault+0xefc/0x1c20 [ 201.696388] ? unlock_page+0x19f/0x270 [ 201.700254] ? __lock_page_or_retry+0x4f0/0x4f0 [ 201.704897] ? filemap_map_pages+0x942/0x15d0 [ 201.709367] ? __lock_acquire+0x6aa/0x3d50 [ 201.713608] ? find_get_entries_tag+0xeb0/0xeb0 [ 201.718254] ? mark_held_locks+0xaf/0x100 [ 201.722373] ? check_noncircular+0x20/0x20 [ 201.726574] ? __lock_acquire+0x6aa/0x3d50 [ 201.730775] ? __lock_acquire+0x6aa/0x3d50 [ 201.734988] ? check_noncircular+0x20/0x20 [ 201.739218] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 201.744388] ? lock_acquire+0x1d5/0x580 [ 201.748329] ? lock_acquire+0x1d5/0x580 [ 201.752274] ? ext4_filemap_fault+0x7a/0xad [ 201.756571] ? lock_release+0xa40/0xa40 [ 201.760523] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 201.766377] ? ext4_filemap_fault+0x8d/0xad [ 201.770669] ? rcu_note_context_switch+0x710/0x710 [ 201.775569] ? lock_downgrade+0x990/0x990 [ 201.779703] ? __might_sleep+0x95/0x190 [ 201.783667] ? down_read+0x96/0x150 [ 201.787274] ? ext4_filemap_fault+0x7a/0xad [ 201.791578] ? __down_interruptible+0x6b0/0x6b0 [ 201.796232] ext4_filemap_fault+0x82/0xad [ 201.800354] __do_fault+0xeb/0x30f [ 201.803862] ? do_raw_spin_trylock+0x190/0x190 [ 201.808412] ? pte_offset_kernel+0xc7/0xc7 [ 201.812623] ? check_noncircular+0x20/0x20 [ 201.816832] __handle_mm_fault+0x1b9b/0x39c0 [ 201.821228] ? __pmd_alloc+0x4e0/0x4e0 [ 201.825112] ? find_held_lock+0x35/0x1d0 [ 201.829169] ? handle_mm_fault+0x248/0x8d0 [ 201.833385] ? lock_downgrade+0x990/0x990 [ 201.837559] handle_mm_fault+0x334/0x8d0 [ 201.841600] ? down_read_trylock+0xdb/0x170 [ 201.845895] ? __do_page_fault+0x31e/0xd60 [ 201.850100] ? __handle_mm_fault+0x39c0/0x39c0 [ 201.854648] ? vmacache_find+0x5f/0x280 [ 201.858594] ? find_vma+0x30/0x150 [ 201.862105] __do_page_fault+0x5bd/0xd60 [ 201.866142] ? mm_fault_error+0x2c0/0x2c0 [ 201.870264] ? __fsnotify_parent+0xb4/0x3a0 [ 201.874553] ? avc_policy_seqno+0x9/0x20 [ 201.878585] ? fsnotify+0x1af0/0x1af0 [ 201.882359] do_page_fault+0xee/0x720 [ 201.886130] ? __do_page_fault+0xd60/0xd60 [ 201.890330] ? __fdget_raw+0x20/0x20 [ 201.894020] ? fput+0xd2/0x140 [ 201.897190] ? SyS_read+0x184/0x220 [ 201.900793] ? retint_user+0x18/0x20 [ 201.904478] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 201.909311] page_fault+0x22/0x30 [ 201.912736] RIP: 0033:0x7f4f95a36610 [ 201.916412] RSP: 002b:00007f4f93659d48 EFLAGS: 00010297 [ 201.921748] RAX: 0000000000000007 RBX: 0000000001f24750 RCX: 0000000000000003 [ 201.928991] RDX: 0000000000000007 RSI: 00007f4f94c8c50c RDI: 0000000001f24900 [ 201.936231] RBP: 0000000001f24900 R08: 00007f4f94c8c50c R09: 00007f4f95a38250 [ 201.943476] R10: 0000000000000010 R11: 00007f4f95a6aa50 R12: 0000000000000007 [ 201.950725] R13: 00007f4f94c8c50c R14: 0000000000000659 R15: 00007f4f94e8e62b [ 201.958075] Mem-Info: [ 201.960991] active_anon:3526 inactive_anon:33 isolated_anon:0 [ 201.960991] active_file:16 inactive_file:17 isolated_file:0 [ 201.960991] unevictable:0 dirty:0 writeback:0 unstable:0 [ 201.960991] slab_reclaimable:5978 slab_unreclaimable:83644 [ 201.960991] mapped:2 shmem:39 pagetables:1543 bounce:0 [ 201.960991] free:24421 free_pcp:0 free_cma:0 [ 201.998267] Node 0 active_anon:14104kB inactive_anon:132kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 202.024845] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 202.050970] lowmem_reserve[]: 0 2886 6400 6400 [ 202.055562] Node 0 DMA32 free:44412kB min:30408kB low:38008kB high:45608kB active_anon:1560kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2958448kB mlocked:0kB kernel_stack:3200kB pagetables:1100kB bounce:0kB free_pcp:144kB local_pcp:120kB free_cma:0kB [ 202.083842] lowmem_reserve[]: 0 0 3513 3513 [ 202.088880] Node 0 Normal free:36868kB min:37008kB low:46260kB high:55512kB active_anon:12544kB inactive_anon:132kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3597488kB mlocked:0kB kernel_stack:13536kB pagetables:5072kB bounce:0kB free_pcp:232kB local_pcp:112kB free_cma:0kB [ 202.117817] lowmem_reserve[]: 0 0 0 0 [ 202.121650] 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 [ 202.135288] Node 0 DMA32: 95*4kB (ME) 60*8kB (ME) 20*16kB (M) 5*32kB (ME) 5*64kB (UME) 4*128kB (ME) 5*256kB (UME) 4*512kB (UME) 2*1024kB (UE) 4*2048kB (UME) 7*4096kB (M) = 44412kB [ 202.151553] Node 0 Normal: 777*4kB (ME) 548*8kB (UME) 290*16kB (UME) 159*32kB (ME) 73*64kB (UME) 49*128kB (UM) 18*256kB (M) 6*512kB (ME) 1*1024kB (M) 0*2048kB 0*4096kB = 36868kB [ 202.167652] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 202.176223] 72 total pagecache pages [ 202.179924] 0 pages in swap cache [ 202.183372] Swap cache stats: add 0, delete 0, find 0/0 [ 202.188728] Free swap = 0kB [ 202.191741] Total swap = 0kB [ 202.194750] 1965979 pages RAM [ 202.197841] 0 pages HighMem/MovableOnly [ 202.201803] 323018 pages reserved [ 202.205311] Unreclaimable slab info: [ 202.209103] Name Used Total [ 202.214654] TIPC 1KB 7KB [ 202.220023] SCTPv6 2KB 4KB [ 202.225392] DCCPv6 2KB 7KB [ 202.230752] DCCP 2KB 6KB [ 202.236119] fib6_nodes 0KB 4KB [ 202.241481] ip6_dst_cache 7KB 7KB [ 202.246841] RAWv6 9KB 19KB [ 202.252209] UDPv6 12KB 14KB [ 202.257572] TCPv6 2KB 5KB [ 202.262938] sd_ext_cdb 0KB 3KB [ 202.268287] scsi_sense_cache 129KB 148KB [ 202.273648] virtio_scsi_cmd 16KB 16KB [ 202.279035] sgpool-128 8KB 8KB [ 202.284405] sgpool-64 4KB 6KB [ 202.289768] sgpool-32 149KB 149KB [ 202.295142] sgpool-16 30KB 30KB [ 202.300507] sgpool-8 243KB 243KB [ 202.305860] cfq_io_cq 18KB 23KB [ 202.311220] cfq_queue 30KB 34KB [ 202.316578] mqueue_inode_cache 1KB 7KB [ 202.322021] nfs_commit_data 3KB 7KB [ 202.327387] nfs_write_data 34KB 37KB [ 202.332745] jbd2_inode 1KB 3KB [ 202.338094] ext4_system_zone 0KB 3KB [ 202.343463] bio-1 1KB 3KB [ 202.348828] rpc_buffers 17KB 19KB [ 202.354175] rpc_tasks 2KB 3KB [ 202.359540] UNIX 433KB 435KB [ 202.364900] tcp_bind_bucket 0KB 4KB [ 202.370252] ip_fib_trie 0KB 3KB [ 202.375617] ip_fib_alias 0KB 3KB [ 202.380971] ip_dst_cache 4KB 7KB [ 202.386330] RAW 5KB 7KB [ 202.391695] UDP 30KB 32KB [ 202.397067] TCP 7KB 7KB [ 202.402422] hugetlbfs_inode_cache 1KB 7KB [ 202.408122] eventpoll_pwq 10KB 15KB [ 202.413482] eventpoll_epi 19KB 23KB [ 202.418853] inotify_inode_mark 2KB 7KB [ 202.424295] request_queue 31KB 39KB [ 202.429659] blkdev_ioc 26KB 31KB [ 202.435054] bio-0 316KB 316KB [ 202.440413] biovec-(1<<(21-12)) 404KB 404KB [ 202.445936] biovec-128 108KB 108KB [ 202.451299] biovec-64 39KB 39KB [ 202.456657] biovec-16 15KB 15KB [ 202.462024] khugepaged_mm_slot 0KB 3KB [ 202.467482] uid_cache 0KB 3KB [ 202.472847] dmaengine-unmap-2 0KB 3KB [ 202.478204] skbuff_fclone_cache 245KB 247KB [ 202.483743] skbuff_head_cache 1753KB 1803KB [ 202.489112] configfs_dir_cache 0KB 4KB [ 202.494555] file_lock_cache 147KB 150KB [ 202.499902] file_lock_ctx 1KB 3KB [ 202.505274] fsnotify_mark_connector 1KB 3KB [ 202.511164] shmem_inode_cache 752KB 754KB [ 202.516521] task_delay_info 529KB 533KB [ 202.521870] taskstats 3KB 7KB [ 202.527231] sigqueue 302KB 334KB [ 202.532587] kernfs_node_cache 1701KB 1704KB [ 202.537938] mnt_cache 14KB 20KB [ 202.543304] filp 7526KB 7680KB [ 202.548660] names_cache 104817KB 104817KB [ 202.554035] avc_node 2KB 3KB [ 202.559397] selinux_file_security 376KB 410KB [ 202.565115] selinux_inode_security 1537KB 1544KB [ 202.570914] key_jar 2KB 7KB [ 202.576271] nsproxy 0KB 3KB [ 202.581633] vm_area_struct 17601KB 17696KB [ 202.586988] mm_struct 3386KB 3568KB [ 202.592341] fs_cache 356KB 496KB [ 202.597705] files_cache 1336KB 1533KB [ 202.603074] signal_cache 2156KB 2609KB [ 202.608431] sighand_cache 228KB 277KB [ 202.613783] task_struct 17580KB 17580KB [ 202.619690] cred_jar 2075KB 2420KB [ 202.625062] anon_vma_chain 7282KB 7355KB [ 202.630418] anon_vma 116KB 165KB [ 202.635778] pid 368KB 372KB [ 202.641146] Acpi-Operand 106KB 166KB [ 202.646505] Acpi-Namespace 19KB 23KB [ 202.651854] numa_policy 0KB 3KB [ 202.657217] trace_event_file 139KB 139KB [ 202.662581] ftrace_event_field 245KB 248KB [ 202.668028] pool_workqueue 9KB 12KB [ 202.673392] page->ptl 2887KB 2925KB [ 202.678766] kmalloc-262144 1032KB 1032KB [ 202.684118] kmalloc-131072 650KB 650KB [ 202.689481] kmalloc-65536 264KB 264KB [ 202.694841] kmalloc-32768 462KB 462KB [ 202.700190] kmalloc-16384 132KB 132KB [ 202.705554] kmalloc-8192 4116KB 4116KB [ 202.710912] kmalloc-4096 12847KB 12847KB [ 202.716260] kmalloc-2048 3066KB 3066KB [ 202.721736] kmalloc-1024 3858KB 3858KB [ 202.727108] kmalloc-512 2910KB 3168KB [ 202.732464] kmalloc-256 1240KB 1402KB [ 202.737813] kmalloc-128 309KB 468KB [ 202.743178] kmalloc-96 584KB 584KB [ 202.748534] kmalloc-64 608KB 608KB [ 202.753883] kmalloc-32 995KB 1405KB [ 202.759287] kmalloc-192 182KB 192KB [ 202.764642] kmem_cache 90KB 93KB [ 202.769995] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 202.778615] [ 1516] 0 1516 5316 114 90112 0 -1000 udevd [ 202.786791] [ 1617] 0 1617 5315 115 86016 0 -1000 udevd [ 202.794927] [ 1618] 0 1618 5315 114 86016 0 -1000 udevd [ 202.803076] [ 2746] 0 2746 2493 573 65536 0 0 dhclient [ 202.811495] [ 2876] 0 2876 14245 159 118784 0 0 rsyslogd [ 202.819898] [ 2911] 0 2911 4725 48 81920 0 0 cron [ 202.827941] [ 2937] 0 2937 12490 153 135168 0 -1000 sshd [ 202.835986] [ 2961] 0 2961 3694 41 73728 0 0 getty [ 202.844120] [ 2962] 0 2962 3694 40 77824 0 0 getty [ 202.852251] [ 2963] 0 2963 3694 41 73728 0 0 getty [ 202.860383] [ 2964] 0 2964 3694 40 73728 0 0 getty [ 202.868515] [ 2965] 0 2965 3694 41 73728 0 0 getty [ 202.876655] [ 2966] 0 2966 3694 40 73728 0 0 getty [ 202.884787] [ 2967] 0 2967 3649 39 73728 0 0 getty [ 202.892925] [ 2988] 0 2988 17821 196 188416 0 0 sshd [ 202.900973] [ 2990] 0 2990 300 1 32768 0 0 syzkaller898523 [ 202.909973] [ 2991] 0 2991 422394 0 888832 0 0 syzkaller898523 [ 202.918975] [ 2992] 0 2992 291258 306 622592 0 0 syzkaller898523 [ 202.927972] [ 2993] 0 2993 367071 383 774144 0 0 syzkaller898523 [ 202.936975] [ 2995] 0 2995 371169 388 782336 0 0 syzkaller898523 [ 202.945979] [ 2998] 0 2998 350679 368 741376 0 0 syzkaller898523 [ 202.954986] [ 3001] 0 3001 352728 369 745472 0 0 syzkaller898523 [ 202.963993] [ 3002] 0 3002 403953 0 851968 0 0 syzkaller898523 [ 202.972997] Out of memory: Kill process 2746 (dhclient) score 0 or sacrifice child [ 202.981055] Killed process 2746 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 203.418747] rs:main Q:Reg invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 203.495730] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 203.500636] CPU: 0 PID: 2877 Comm: rs:main Q:Reg Not tainted 4.14.0-rc5-mm1+ #20 [ 203.508143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 203.517462] Call Trace: [ 203.520026] dump_stack+0x194/0x257 [ 203.523624] ? arch_local_irq_restore+0x53/0x53 [ 203.528265] ? dump_header+0x1d9/0xe0e [ 203.532125] dump_header+0x28e/0xe0e [ 203.535813] ? pagefault_out_of_memory+0x152/0x152 [ 203.540710] ? check_noncircular+0x20/0x20 [ 203.544910] ? print_irqtrace_events+0x270/0x270 [ 203.549633] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 203.554799] ? print_irqtrace_events+0x270/0x270 [ 203.559519] ? __lock_acquire+0x6aa/0x3d50 [ 203.563725] ? find_held_lock+0x35/0x1d0 [ 203.567758] ? check_noncircular+0x20/0x20 [ 203.571957] ? task_will_free_mem+0x252/0xaa0 [ 203.576419] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 203.581577] ? find_held_lock+0x35/0x1d0 [ 203.585610] ? ___ratelimit+0x30d/0x630 [ 203.589550] ? lock_downgrade+0x990/0x990 [ 203.593669] ? do_raw_spin_trylock+0x190/0x190 [ 203.598222] ? mark_held_locks+0xaf/0x100 [ 203.602341] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 203.607409] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 203.612390] ? trace_hardirqs_on+0xd/0x10 [ 203.616506] ? ___ratelimit+0x95/0x630 [ 203.620363] ? idr_get_free_cmn+0xfd0/0xfd0 [ 203.624651] ? check_noncircular+0x20/0x20 [ 203.628852] ? find_held_lock+0x138/0x1d0 [ 203.632971] oom_kill_process+0x86d/0x13c0 [ 203.637177] ? has_ns_capability_noaudit+0x163/0x2a0 [ 203.642252] ? check_noncircular+0x20/0x20 [ 203.646455] ? oom_evaluate_task+0x480/0x480 [ 203.650840] ? security_capable_noaudit+0x8b/0xc0 [ 203.655655] ? find_held_lock+0x35/0x1d0 [ 203.659686] ? check_noncircular+0x20/0x20 [ 203.663887] ? oom_unkillable_task+0x394/0x4c0 [ 203.668435] ? lock_downgrade+0x990/0x990 [ 203.672552] ? lock_release+0xa40/0xa40 [ 203.676497] ? do_try_to_free_pages+0xc53/0x1020 [ 203.681224] ? find_lock_task_mm+0x460/0x460 [ 203.685602] ? find_held_lock+0x35/0x1d0 [ 203.689635] ? out_of_memory+0xaa9/0x11d0 [ 203.693749] ? lock_downgrade+0x990/0x990 [ 203.697864] ? lock_release+0xa40/0xa40 [ 203.701806] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 203.706794] ? oom_evaluate_task+0x284/0x480 [ 203.711184] out_of_memory+0x7dc/0x11d0 [ 203.715128] ? trace_hardirqs_on+0xd/0x10 [ 203.719251] ? oom_killer_disable+0x310/0x310 [ 203.723710] ? mutex_trylock+0x23a/0x2d0 [ 203.727742] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 203.733159] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 203.739033] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 203.743853] ? __radix_tree_insert+0x7b0/0x7b0 [ 203.748417] ? warn_alloc+0x2f0/0x2f0 [ 203.752187] ? find_get_entry+0x513/0x9e0 [ 203.756301] ? lock_downgrade+0x990/0x990 [ 203.760427] ? __lock_is_held+0xb6/0x140 [ 203.764465] ? find_get_entry+0x53c/0x9e0 [ 203.768584] ? check_noncircular+0x20/0x20 [ 203.772792] ? __lock_acquire+0x6aa/0x3d50 [ 203.776991] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 203.782152] ? __radix_tree_lookup+0x435/0x5e0 [ 203.786731] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 203.792581] ? __page_cache_alloc+0x12d/0x500 [ 203.797057] ? __might_sleep+0x95/0x190 [ 203.801004] __alloc_pages_nodemask+0x9fb/0xd80 [ 203.805661] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 203.810870] ? add_to_page_cache_lru+0x510/0x510 [ 203.815599] ? check_noncircular+0x20/0x20 [ 203.819799] ? check_noncircular+0x20/0x20 [ 203.824005] ? __lock_acquire+0x6aa/0x3d50 [ 203.828212] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 203.832954] alloc_pages_current+0xb6/0x1e0 [ 203.837256] __page_cache_alloc+0x334/0x500 [ 203.841547] ? rcu_read_lock_held+0xa9/0xc0 [ 203.845837] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 203.853174] filemap_fault+0xefc/0x1c20 [ 203.857127] ? __lock_page_or_retry+0x4f0/0x4f0 [ 203.861768] ? filemap_map_pages+0x942/0x15d0 [ 203.866244] ? find_get_entries_tag+0xeb0/0xeb0 [ 203.870885] ? balance_dirty_pages_ratelimited+0x1be/0x1bb0 [ 203.876558] ? lock_release+0xa40/0xa40 [ 203.880502] ? check_noncircular+0x20/0x20 [ 203.884701] ? __lock_acquire+0x6aa/0x3d50 [ 203.888900] ? __lock_acquire+0x6aa/0x3d50 [ 203.893100] ? generic_write_end+0x2c3/0x460 [ 203.897478] ? check_noncircular+0x20/0x20 [ 203.901687] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 203.906849] ? lock_acquire+0x1d5/0x580 [ 203.910787] ? lock_acquire+0x1d5/0x580 [ 203.914728] ? ext4_filemap_fault+0x7a/0xad [ 203.919032] ? lock_release+0xa40/0xa40 [ 203.922973] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 203.928822] ? ext4_filemap_fault+0x8d/0xad [ 203.933113] ? rcu_note_context_switch+0x710/0x710 [ 203.938009] ? lock_downgrade+0x990/0x990 [ 203.942132] ? __might_sleep+0x95/0x190 [ 203.946076] ? down_read+0x96/0x150 [ 203.949667] ? ext4_filemap_fault+0x7a/0xad [ 203.953954] ? __down_interruptible+0x6b0/0x6b0 [ 203.958598] ext4_filemap_fault+0x82/0xad [ 203.962712] __do_fault+0xeb/0x30f [ 203.966220] ? do_raw_spin_trylock+0x190/0x190 [ 203.970767] ? pte_offset_kernel+0xc7/0xc7 [ 203.974966] ? filemap_fdatawait_keep_errors+0xb0/0xb0 [ 203.980208] ? generic_update_time+0x1b2/0x270 [ 203.984763] ? check_noncircular+0x20/0x20 [ 203.988968] __handle_mm_fault+0x1b9b/0x39c0 [ 203.993347] ? __pmd_alloc+0x4e0/0x4e0 [ 203.997207] ? find_held_lock+0x35/0x1d0 [ 204.001240] ? handle_mm_fault+0x248/0x8d0 [ 204.005440] ? lock_downgrade+0x990/0x990 [ 204.009575] handle_mm_fault+0x334/0x8d0 [ 204.013601] ? down_read_trylock+0xdb/0x170 [ 204.017889] ? __do_page_fault+0x31e/0xd60 [ 204.022091] ? __handle_mm_fault+0x39c0/0x39c0 [ 204.026636] ? vmacache_find+0x5f/0x280 [ 204.030580] ? find_vma+0x30/0x150 [ 204.034089] __do_page_fault+0x5bd/0xd60 [ 204.038126] ? mm_fault_error+0x2c0/0x2c0 [ 204.042239] ? __lock_is_held+0xb6/0x140 [ 204.046296] do_page_fault+0xee/0x720 [ 204.050070] ? __do_page_fault+0xd60/0xd60 [ 204.054273] ? __sb_end_write+0xa0/0xd0 [ 204.058217] ? fput+0xd2/0x140 [ 204.061376] ? SyS_write+0x184/0x220 [ 204.065056] ? retint_user+0x18/0x20 [ 204.068741] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 204.073556] page_fault+0x22/0x30 [ 204.076974] RIP: 0033:0x421030 [ 204.080131] RSP: 002b:00007f4f9465b508 EFLAGS: 00010246 [ 204.085460] RAX: 0000000000000000 RBX: 0000000001ef5a38 RCX: 0000000000000001 [ 204.092695] RDX: 0000000000000001 RSI: 0000000001f05740 RDI: 000000000044ad88 [ 204.099929] RBP: 0000000000000000 R08: 0000000001f057f0 R09: 0000000000000b3d [ 204.107167] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 204.114404] R13: 0000000000000000 R14: 0000000001f05740 R15: 0000000001f19c40 [ 204.121758] Mem-Info: [ 204.125046] active_anon:3027 inactive_anon:33 isolated_anon:0 [ 204.125046] active_file:17 inactive_file:17 isolated_file:0 [ 204.125046] unevictable:0 dirty:0 writeback:0 unstable:0 [ 204.125046] slab_reclaimable:5984 slab_unreclaimable:83731 [ 204.125046] mapped:2 shmem:39 pagetables:1534 bounce:0 [ 204.125046] free:24197 free_pcp:32 free_cma:0 [ 204.157163] Node 0 active_anon:12108kB inactive_anon:132kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 204.183709] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 204.209842] lowmem_reserve[]: 0 2886 6400 6400 [ 204.214456] Node 0 DMA32 free:44296kB min:30408kB low:38008kB high:45608kB active_anon:1560kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2958448kB mlocked:0kB kernel_stack:3200kB pagetables:1100kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 204.242389] lowmem_reserve[]: 0 0 3513 3513 [ 204.246723] Node 0 Normal free:36584kB min:37008kB low:46260kB high:55512kB active_anon:10548kB inactive_anon:132kB active_file:64kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3597488kB mlocked:0kB kernel_stack:13504kB pagetables:5036kB bounce:0kB free_pcp:128kB local_pcp:8kB free_cma:0kB [ 204.275926] lowmem_reserve[]: 0 0 0 0 [ 204.279730] 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 [ 204.293322] Node 0 DMA32: 96*4kB (UM) 63*8kB (UME) 21*16kB (UM) 6*32kB (UME) 4*64kB (ME) 5*128kB (UME) 4*256kB (ME) 4*512kB (UME) 2*1024kB (UE) 4*2048kB (UME) 7*4096kB (M) = 44296kB [ 204.309765] Node 0 Normal: 710*4kB (ME) 542*8kB (UM) 288*16kB (UM) 159*32kB (M) 74*64kB (UM) 51*128kB (UM) 21*256kB (UM) 6*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 36584kB [ 204.325158] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 204.333737] 73 total pagecache pages [ 204.337465] 0 pages in swap cache [ 204.340910] Swap cache stats: add 0, delete 0, find 0/0 [ 204.346277] Free swap = 0kB [ 204.349288] Total swap = 0kB [ 204.352306] 1965979 pages RAM [ 204.355410] 0 pages HighMem/MovableOnly [ 204.359381] 323018 pages reserved [ 204.362826] Unreclaimable slab info: [ 204.366525] Name Used Total [ 204.372070] TIPC 1KB 7KB [ 204.377430] SCTPv6 2KB 4KB [ 204.382783] DCCPv6 2KB 7KB [ 204.388152] DCCP 2KB 6KB [ 204.393519] fib6_nodes 0KB 4KB [ 204.398870] ip6_dst_cache 7KB 7KB [ 204.404250] RAWv6 9KB 19KB [ 204.410141] UDPv6 12KB 14KB [ 204.415501] TCPv6 2KB 5KB [ 204.420874] sd_ext_cdb 0KB 3KB [ 204.426252] scsi_sense_cache 137KB 148KB [ 204.431610] virtio_scsi_cmd 16KB 16KB [ 204.436975] sgpool-128 8KB 8KB [ 204.442347] sgpool-64 4KB 6KB [ 204.447704] sgpool-32 196KB 196KB [ 204.453068] sgpool-16 37KB 37KB [ 204.458423] sgpool-8 258KB 258KB [ 204.463775] cfq_io_cq 20KB 23KB [ 204.469145] cfq_queue 34KB 34KB [ 204.474503] mqueue_inode_cache 1KB 7KB [ 204.479941] nfs_commit_data 3KB 7KB [ 204.485303] nfs_write_data 34KB 37KB [ 204.490662] jbd2_inode 1KB 3KB [ 204.496036] ext4_system_zone 0KB 3KB [ 204.501417] bio-1 1KB 3KB [ 204.506778] rpc_buffers 17KB 19KB [ 204.512140] rpc_tasks 2KB 3KB [ 204.517500] UNIX 433KB 435KB [ 204.522870] tcp_bind_bucket 0KB 4KB [ 204.528250] ip_fib_trie 0KB 3KB [ 204.533613] ip_fib_alias 0KB 3KB [ 204.538975] ip_dst_cache 4KB 7KB [ 204.545186] RAW 5KB 7KB [ 204.550546] UDP 30KB 32KB [ 204.555898] TCP 7KB 7KB [ 204.561270] hugetlbfs_inode_cache 1KB 7KB [ 204.566973] eventpoll_pwq 10KB 15KB [ 204.572337] eventpoll_epi 19KB 23KB [ 204.577693] inotify_inode_mark 2KB 7KB [ 204.583149] request_queue 31KB 39KB [ 204.588506] blkdev_ioc 30KB 31KB [ 204.593855] bio-0 336KB 336KB [ 204.599221] biovec-(1<<(21-12)) 412KB 412KB [ 204.604756] biovec-128 146KB 146KB [ 204.610117] biovec-64 78KB 78KB [ 204.615490] biovec-16 15KB 15KB [ 204.620845] khugepaged_mm_slot 0KB 3KB [ 204.626299] uid_cache 0KB 3KB [ 204.631655] dmaengine-unmap-2 0KB 3KB [ 204.637039] skbuff_fclone_cache 245KB 247KB [ 204.642567] skbuff_head_cache 1753KB 1803KB [ 204.647917] configfs_dir_cache 0KB 4KB [ 204.653370] file_lock_cache 147KB 150KB [ 204.658726] file_lock_ctx 1KB 3KB [ 204.664094] fsnotify_mark_connector 1KB 3KB [ 204.669972] shmem_inode_cache 752KB 754KB [ 204.675846] task_delay_info 527KB 533KB [ 204.681198] taskstats 3KB 7KB [ 204.686551] sigqueue 306KB 334KB [ 204.691913] kernfs_node_cache 1701KB 1704KB [ 204.697286] mnt_cache 14KB 20KB [ 204.702641] filp 7526KB 7680KB [ 204.708031] names_cache 104826KB 104826KB [ 204.713388] avc_node 2KB 3KB [ 204.718737] selinux_file_security 376KB 410KB [ 204.724447] selinux_inode_security 1537KB 1544KB [ 204.730236] key_jar 2KB 7KB [ 204.735586] nsproxy 0KB 3KB [ 204.740949] vm_area_struct 17601KB 17696KB [ 204.746317] mm_struct 3386KB 3568KB [ 204.751674] fs_cache 356KB 496KB [ 204.757037] files_cache 1336KB 1533KB [ 204.762399] signal_cache 2149KB 2609KB [ 204.767803] sighand_cache 217KB 277KB [ 204.773151] task_struct 17580KB 17580KB [ 204.778503] cred_jar 2073KB 2420KB [ 204.784546] anon_vma_chain 7283KB 7355KB [ 204.789908] anon_vma 119KB 165KB [ 204.795286] pid 367KB 372KB [ 204.800643] Acpi-Operand 106KB 166KB [ 204.806037] Acpi-Namespace 19KB 23KB [ 204.811841] numa_policy 0KB 3KB [ 204.817205] trace_event_file 139KB 139KB [ 204.822567] ftrace_event_field 245KB 248KB [ 204.828034] pool_workqueue 9KB 12KB [ 204.833392] page->ptl 2887KB 2925KB [ 204.838759] kmalloc-262144 1032KB 1032KB [ 204.844123] kmalloc-131072 650KB 650KB [ 204.849478] kmalloc-65536 264KB 264KB [ 204.854829] kmalloc-32768 462KB 462KB [ 204.860194] kmalloc-16384 132KB 132KB [ 204.865551] kmalloc-8192 4116KB 4116KB [ 204.870900] kmalloc-4096 12847KB 12847KB [ 204.876267] kmalloc-2048 3066KB 3066KB [ 204.881621] kmalloc-1024 3984KB 3984KB [ 204.886972] kmalloc-512 2910KB 3168KB [ 204.892342] kmalloc-256 1240KB 1402KB [ 204.897698] kmalloc-128 309KB 468KB [ 204.903065] kmalloc-96 588KB 588KB [ 204.908438] kmalloc-64 612KB 612KB [ 204.913793] kmalloc-32 995KB 1405KB [ 204.919157] kmalloc-192 182KB 192KB [ 204.924521] kmem_cache 90KB 93KB [ 204.929885] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 204.938480] [ 1516] 0 1516 5316 114 90112 0 -1000 udevd [ 204.946626] [ 1617] 0 1617 5315 115 86016 0 -1000 udevd [ 204.954772] [ 1618] 0 1618 5315 114 86016 0 -1000 udevd [ 204.962926] [ 2876] 0 2876 30629 194 122880 0 0 rsyslogd [ 204.971345] [ 2911] 0 2911 4725 48 81920 0 0 cron [ 204.979397] [ 2937] 0 2937 12490 153 135168 0 -1000 sshd [ 204.987458] [ 2961] 0 2961 3694 41 73728 0 0 getty [ 204.995615] [ 2962] 0 2962 3694 40 77824 0 0 getty [ 205.003769] [ 2963] 0 2963 3694 41 73728 0 0 getty [ 205.011925] [ 2964] 0 2964 3694 40 73728 0 0 getty [ 205.020083] [ 2965] 0 2965 3694 41 73728 0 0 getty [ 205.028227] [ 2966] 0 2966 3694 40 73728 0 0 getty [ 205.036377] [ 2967] 0 2967 3649 39 73728 0 0 getty [ 205.044533] [ 2988] 0 2988 17821 196 188416 0 0 sshd [ 205.052606] [ 2990] 0 2990 300 1 32768 0 0 syzkaller898523 [ 205.061625] [ 2991] 0 2991 422394 0 888832 0 0 syzkaller898523 [ 205.070649] [ 2992] 0 2992 291258 306 622592 0 0 syzkaller898523 [ 205.079667] [ 2993] 0 2993 367071 383 774144 0 0 syzkaller898523 [ 205.088684] [ 2995] 0 2995 371169 388 782336 0 0 syzkaller898523 [ 205.097703] [ 2998] 0 2998 350679 368 741376 0 0 syzkaller898523 [ 205.106721] [ 3001] 0 3001 352728 369 745472 0 0 syzkaller898523 [ 205.115736] [ 3002] 0 3002 403953 0 851968 0 0 syzkaller898523 [ 205.124751] Out of memory: Kill process 2995 (syzkaller898523) score 0 or sacrifice child [ 205.133623] Killed process 2995 (syzkaller898523) total-vm:1484676kB, anon-rss:1552kB, file-rss:0kB, shmem-rss:0kB [ 205.150178] oom_reaper: reaped process 2995 (syzkaller898523), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 205.430769] rs:main Q:Reg invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 205.442685] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 205.447524] CPU: 0 PID: 2877 Comm: rs:main Q:Reg Not tainted 4.14.0-rc5-mm1+ #20 [ 205.455022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 205.464339] Call Trace: [ 205.466903] dump_stack+0x194/0x257 [ 205.470499] ? arch_local_irq_restore+0x53/0x53 [ 205.475139] ? dump_header+0x1d9/0xe0e [ 205.479010] dump_header+0x28e/0xe0e [ 205.482701] ? pagefault_out_of_memory+0x152/0x152 [ 205.487596] ? check_noncircular+0x20/0x20 [ 205.491799] ? print_irqtrace_events+0x270/0x270 [ 205.496522] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 205.501687] ? print_irqtrace_events+0x270/0x270 [ 205.506404] ? __lock_acquire+0x6aa/0x3d50 [ 205.510609] ? find_held_lock+0x35/0x1d0 [ 205.514642] ? check_noncircular+0x20/0x20 [ 205.518840] ? task_will_free_mem+0x252/0xaa0 [ 205.523297] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 205.528472] ? find_held_lock+0x35/0x1d0 [ 205.532529] ? ___ratelimit+0x30d/0x630 [ 205.536484] ? lock_downgrade+0x990/0x990 [ 205.540622] ? do_raw_spin_trylock+0x190/0x190 [ 205.545195] ? mark_held_locks+0xaf/0x100 [ 205.549332] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 205.554417] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 205.559415] ? trace_hardirqs_on+0xd/0x10 [ 205.563551] ? ___ratelimit+0x95/0x630 [ 205.567421] ? idr_get_free_cmn+0xfd0/0xfd0 [ 205.571724] ? check_noncircular+0x20/0x20 [ 205.575939] ? find_held_lock+0x138/0x1d0 [ 205.580082] oom_kill_process+0x86d/0x13c0 [ 205.584308] ? has_ns_capability_noaudit+0x163/0x2a0 [ 205.589395] ? check_noncircular+0x20/0x20 [ 205.593615] ? oom_evaluate_task+0x480/0x480 [ 205.598028] ? security_capable_noaudit+0x8b/0xc0 [ 205.602861] ? find_held_lock+0x35/0x1d0 [ 205.606910] ? check_noncircular+0x20/0x20 [ 205.611128] ? oom_unkillable_task+0x394/0x4c0 [ 205.615695] ? lock_downgrade+0x990/0x990 [ 205.619831] ? lock_release+0xa40/0xa40 [ 205.623787] ? do_try_to_free_pages+0xc53/0x1020 [ 205.628526] ? find_lock_task_mm+0x460/0x460 [ 205.632926] ? find_held_lock+0x35/0x1d0 [ 205.636985] ? out_of_memory+0xaa9/0x11d0 [ 205.641115] ? lock_downgrade+0x990/0x990 [ 205.645250] ? lock_release+0xa40/0xa40 [ 205.649214] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 205.654232] ? oom_evaluate_task+0x284/0x480 [ 205.658631] out_of_memory+0x7dc/0x11d0 [ 205.662583] ? trace_hardirqs_on+0xd/0x10 [ 205.666723] ? oom_killer_disable+0x310/0x310 [ 205.671204] ? mutex_trylock+0x23a/0x2d0 [ 205.675255] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 205.680686] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 205.686568] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 205.691407] ? __radix_tree_insert+0x7b0/0x7b0 [ 205.695999] ? warn_alloc+0x2f0/0x2f0 [ 205.699786] ? find_get_entry+0x513/0x9e0 [ 205.703918] ? lock_downgrade+0x990/0x990 [ 205.708060] ? radix_tree_lookup_slot+0x99/0xe0 [ 205.712713] ? __lock_acquire+0x6aa/0x3d50 [ 205.716942] ? find_get_entry+0x53c/0x9e0 [ 205.721077] ? check_noncircular+0x20/0x20 [ 205.725303] ? __lock_acquire+0x6aa/0x3d50 [ 205.729514] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 205.734692] ? __radix_tree_lookup+0x435/0x5e0 [ 205.739314] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 205.745180] ? __page_cache_alloc+0x12d/0x500 [ 205.749674] ? __might_sleep+0x95/0x190 [ 205.753639] __alloc_pages_nodemask+0x9fb/0xd80 [ 205.758301] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 205.763301] ? add_to_page_cache_lru+0x510/0x510 [ 205.768048] ? check_noncircular+0x20/0x20 [ 205.772267] ? check_noncircular+0x20/0x20 [ 205.776482] ? __lock_acquire+0x6aa/0x3d50 [ 205.780694] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 205.785435] alloc_pages_current+0xb6/0x1e0 [ 205.789727] __page_cache_alloc+0x334/0x500 [ 205.794021] ? rcu_read_lock_held+0xa9/0xc0 [ 205.798316] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 205.805652] filemap_fault+0xefc/0x1c20 [ 205.809605] ? __lock_page_or_retry+0x4f0/0x4f0 [ 205.814246] ? filemap_map_pages+0x942/0x15d0 [ 205.818720] ? find_get_entries_tag+0xeb0/0xeb0 [ 205.823362] ? __unlock_page_memcg+0x72/0x100 [ 205.827826] ? check_noncircular+0x20/0x20 [ 205.832028] ? __lock_acquire+0x6aa/0x3d50 [ 205.836229] ? __lock_acquire+0x6aa/0x3d50 [ 205.840428] ? page_add_new_anon_rmap+0x750/0x750 [ 205.845239] ? check_noncircular+0x20/0x20 [ 205.849448] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 205.854607] ? lock_acquire+0x1d5/0x580 [ 205.858546] ? lock_acquire+0x1d5/0x580 [ 205.862486] ? ext4_filemap_fault+0x7a/0xad [ 205.866778] ? lock_release+0xa40/0xa40 [ 205.870719] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 205.876568] ? ext4_filemap_fault+0x8d/0xad [ 205.880857] ? rcu_note_context_switch+0x710/0x710 [ 205.885749] ? lock_downgrade+0x990/0x990 [ 205.889868] ? __might_sleep+0x95/0x190 [ 205.893813] ? down_read+0x96/0x150 [ 205.897404] ? ext4_filemap_fault+0x7a/0xad [ 205.901695] ? __down_interruptible+0x6b0/0x6b0 [ 205.906339] ext4_filemap_fault+0x82/0xad [ 205.910454] __do_fault+0xeb/0x30f [ 205.913961] ? do_raw_spin_trylock+0x190/0x190 [ 205.918508] ? pte_offset_kernel+0xc7/0xc7 [ 205.922720] ? check_noncircular+0x20/0x20 [ 205.926928] __handle_mm_fault+0x1b9b/0x39c0 [ 205.931307] ? __pmd_alloc+0x4e0/0x4e0 [ 205.935169] ? find_held_lock+0x35/0x1d0 [ 205.939207] ? handle_mm_fault+0x248/0x8d0 [ 205.943408] ? lock_downgrade+0x990/0x990 [ 205.947543] handle_mm_fault+0x334/0x8d0 [ 205.951567] ? down_read_trylock+0xdb/0x170 [ 205.955861] ? __do_page_fault+0x31e/0xd60 [ 205.960062] ? __handle_mm_fault+0x39c0/0x39c0 [ 205.964609] ? vmacache_find+0x5f/0x280 [ 205.968551] ? find_vma+0x30/0x150 [ 205.972067] __do_page_fault+0x5bd/0xd60 [ 205.976103] ? mm_fault_error+0x2c0/0x2c0 [ 205.980218] ? __lock_is_held+0xb6/0x140 [ 205.984255] do_page_fault+0xee/0x720 [ 205.988029] ? __do_page_fault+0xd60/0xd60 [ 205.992234] ? __sb_end_write+0xa0/0xd0 [ 205.996179] ? fput+0xd2/0x140 [ 205.999340] ? SyS_write+0x184/0x220 [ 206.003027] ? retint_user+0x18/0x20 [ 206.006712] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 206.011526] page_fault+0x22/0x30 [ 206.014946] RIP: 0033:0x7f4f960b6740 [ 206.018621] RSP: 002b:00007f4f9465b578 EFLAGS: 00010206 [ 206.023950] RAX: 00007f4f9465bd10 RBX: 0000000000000001 RCX: 0000000000000001 [ 206.031190] RDX: 0000000000000001 RSI: 0000000001ef5a38 RDI: 0000000001f057f0 [ 206.038426] RBP: 0000000001ef5a38 R08: 0000000001f057f0 R09: 0000000001f19c40 [ 206.045660] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 206.052896] R13: 0000000000000000 R14: 0000000001f05740 R15: 0000000001f19c40 [ 206.060246] Mem-Info: [ 206.063533] active_anon:2643 inactive_anon:33 isolated_anon:0 [ 206.063533] active_file:19 inactive_file:19 isolated_file:0 [ 206.063533] unevictable:0 dirty:0 writeback:0 unstable:0 [ 206.063533] slab_reclaimable:5986 slab_unreclaimable:83751 [ 206.063533] mapped:8 shmem:39 pagetables:1534 bounce:0 [ 206.063533] free:24378 free_pcp:0 free_cma:0 [ 206.108641] Node 0 active_anon:10572kB inactive_anon:132kB active_file:60kB inactive_file:268kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 206.135225] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 206.176294] lowmem_reserve[]: 0 2886 6400 6400 [ 206.187615] Node 0 DMA32 free:44408kB min:30408kB low:38008kB high:45608kB active_anon:1320kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2958448kB mlocked:0kB kernel_stack:3200kB pagetables:1100kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 206.216723] lowmem_reserve[]: 0 0 3513 3513 [ 206.242044] Node 0 Normal free:36648kB min:37008kB low:46260kB high:55512kB active_anon:9252kB inactive_anon:132kB active_file:0kB inactive_file:812kB unevictable:0kB writepending:0kB present:4718592kB managed:3597488kB mlocked:0kB kernel_stack:13504kB pagetables:5036kB bounce:0kB free_pcp:300kB local_pcp:76kB free_cma:0kB [ 206.270882] lowmem_reserve[]: 0 0 0 0 [ 206.274834] 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 [ 206.288574] Node 0 DMA32: 1*4kB (U) 59*8kB (UME) 28*16kB (UM) 7*32kB (UME) 4*64kB (ME) 3*128kB (ME) 3*256kB (ME) 5*512kB (UME) 2*1024kB (UE) 4*2048kB (UME) 7*4096kB (M) = 44028kB [ 206.309066] Node 0 Normal: 626*4kB (UME) 564*8kB (UM) 314*16kB (UM) 162*32kB (UM) 72*64kB (UM) 50*128kB (UM) 22*256kB (UM) 6*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36936kB [ 206.324834] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 206.333397] 125 total pagecache pages [ 206.337187] 0 pages in swap cache [ 206.340620] Swap cache stats: add 0, delete 0, find 0/0 [ 206.346455] Free swap = 0kB [ 206.349456] Total swap = 0kB [ 206.352455] 1965979 pages RAM [ 206.355537] 0 pages HighMem/MovableOnly [ 206.359494] 323018 pages reserved [ 206.362927] Unreclaimable slab info: [ 206.366622] Name Used Total [ 206.372141] TIPC 1KB 7KB [ 206.377490] SCTPv6 2KB 4KB [ 206.382836] DCCPv6 2KB 7KB [ 206.388188] DCCP 2KB 6KB [ 206.393546] fib6_nodes 0KB 4KB [ 206.398890] ip6_dst_cache 7KB 7KB [ 206.404240] RAWv6 9KB 19KB [ 206.409588] UDPv6 12KB 14KB [ 206.414936] TCPv6 2KB 5KB [ 206.422169] sd_ext_cdb 0KB 3KB [ 206.428479] scsi_sense_cache 144KB 148KB [ 206.434816] virtio_scsi_cmd 16KB 16KB [ 206.450870] sgpool-128 8KB 8KB [ 206.456250] sgpool-64 4KB 6KB [ 206.461672] sgpool-32 244KB 244KB [ 206.467043] sgpool-16 37KB 37KB [ 206.472413] sgpool-8 262KB 262KB [ 206.477779] cfq_io_cq 20KB 23KB [ 206.483171] cfq_queue 34KB 34KB [ 206.488544] mqueue_inode_cache 1KB 7KB [ 206.494807] nfs_commit_data 3KB 7KB [ 206.500181] nfs_write_data 34KB 37KB [ 206.505533] jbd2_inode 1KB 3KB [ 206.510878] ext4_system_zone 0KB 3KB [ 206.516225] bio-1 1KB 3KB [ 206.521577] rpc_buffers 17KB 19KB [ 206.526922] rpc_tasks 2KB 3KB [ 206.532266] UNIX 433KB 435KB [ 206.537613] tcp_bind_bucket 0KB 4KB [ 206.542959] ip_fib_trie 0KB 3KB [ 206.548301] ip_fib_alias 0KB 3KB [ 206.553648] ip_dst_cache 4KB 7KB [ 206.558992] RAW 5KB 7KB [ 206.564337] UDP 30KB 32KB [ 206.569714] TCP 7KB 7KB [ 206.575059] hugetlbfs_inode_cache 1KB 7KB [ 206.580751] eventpoll_pwq 10KB 15KB [ 206.586097] eventpoll_epi 19KB 23KB [ 206.591441] inotify_inode_mark 2KB 7KB [ 206.596872] request_queue 31KB 39KB [ 206.602237] blkdev_ioc 30KB 31KB [ 206.607591] bio-0 352KB 352KB [ 206.612949] biovec-(1<<(21-12)) 412KB 412KB [ 206.618938] biovec-128 165KB 165KB [ 206.624286] biovec-64 86KB 86KB [ 206.629632] biovec-16 18KB 18KB [ 206.634982] khugepaged_mm_slot 0KB 3KB [ 206.640419] uid_cache 0KB 3KB [ 206.645763] dmaengine-unmap-2 0KB 3KB [ 206.651110] skbuff_fclone_cache 245KB 247KB [ 206.656628] skbuff_head_cache 1753KB 1803KB [ 206.661973] configfs_dir_cache 0KB 4KB [ 206.667406] file_lock_cache 147KB 150KB [ 206.672839] file_lock_ctx 1KB 3KB [ 206.678189] fsnotify_mark_connector 1KB 3KB [ 206.684054] shmem_inode_cache 752KB 754KB [ 206.689401] task_delay_info 527KB 533KB [ 206.694745] taskstats 3KB 7KB [ 206.700089] sigqueue 306KB 334KB [ 206.705433] kernfs_node_cache 1701KB 1704KB [ 206.710776] mnt_cache 14KB 20KB [ 206.716123] filp 7526KB 7680KB [ 206.721469] names_cache 104826KB 104826KB [ 206.726819] avc_node 2KB 3KB [ 206.732165] selinux_file_security 376KB 410KB [ 206.737856] selinux_inode_security 1537KB 1544KB [ 206.743635] key_jar 2KB 7KB [ 206.748985] nsproxy 0KB 3KB [ 206.754791] vm_area_struct 17601KB 17696KB [ 206.760137] mm_struct 3386KB 3568KB [ 206.765489] fs_cache 356KB 496KB [ 206.770833] files_cache 1336KB 1533KB [ 206.776251] signal_cache 2149KB 2609KB [ 206.782041] sighand_cache 217KB 277KB [ 206.788038] task_struct 17580KB 17580KB [ 206.793383] cred_jar 2073KB 2420KB [ 206.798728] anon_vma_chain 7283KB 7355KB [ 206.804071] anon_vma 119KB 165KB [ 206.809415] pid 367KB 372KB [ 206.814759] Acpi-Operand 106KB 166KB [ 206.820111] Acpi-Namespace 19KB 23KB [ 206.825457] numa_policy 0KB 3KB [ 206.830800] trace_event_file 139KB 139KB [ 206.836146] ftrace_event_field 245KB 248KB [ 206.841580] pool_workqueue 9KB 12KB [ 206.846927] page->ptl 2887KB 2925KB [ 206.852285] kmalloc-262144 1032KB 1032KB [ 206.857632] kmalloc-131072 650KB 650KB [ 206.862976] kmalloc-65536 264KB 264KB [ 206.868324] kmalloc-32768 462KB 462KB [ 206.873671] kmalloc-16384 132KB 132KB [ 206.879025] kmalloc-8192 4116KB 4116KB [ 206.884369] kmalloc-4096 12847KB 12847KB [ 206.890279] kmalloc-2048 3066KB 3066KB [ 206.895633] kmalloc-1024 4047KB 4047KB [ 206.900979] kmalloc-512 2910KB 3168KB [ 206.906322] kmalloc-256 1240KB 1402KB [ 206.911665] kmalloc-128 309KB 468KB [ 206.917025] kmalloc-96 588KB 588KB [ 206.922371] kmalloc-64 612KB 612KB [ 206.927716] kmalloc-32 995KB 1405KB [ 206.933062] kmalloc-192 182KB 192KB [ 206.938409] kmem_cache 90KB 93KB [ 206.943754] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 206.952330] [ 1516] 0 1516 5316 114 90112 0 -1000 udevd [ 206.960457] [ 1617] 0 1617 5315 115 86016 0 -1000 udevd [ 206.968583] [ 1618] 0 1618 5315 114 86016 0 -1000 udevd [ 206.976709] [ 2876] 0 2876 30629 233 122880 0 0 rsyslogd [ 206.985098] [ 2911] 0 2911 4725 48 81920 0 0 cron [ 206.993150] [ 2937] 0 2937 12490 153 135168 0 -1000 sshd [ 207.001197] [ 2961] 0 2961 3694 41 73728 0 0 getty [ 207.009337] [ 2962] 0 2962 3694 40 77824 0 0 getty [ 207.017476] [ 2963] 0 2963 3694 41 73728 0 0 getty [ 207.025632] [ 2964] 0 2964 3694 40 73728 0 0 getty [ 207.033777] [ 2965] 0 2965 3694 41 73728 0 0 getty [ 207.041919] [ 2966] 0 2966 3694 40 73728 0 0 getty [ 207.050062] [ 2967] 0 2967 3649 39 73728 0 0 getty [ 207.058202] [ 2988] 0 2988 17821 196 188416 0 0 sshd [ 207.066258] [ 2990] 0 2990 300 1 32768 0 0 syzkaller898523 [ 207.075266] [ 2991] 0 2991 422394 0 888832 0 0 syzkaller898523 [ 207.084273] [ 2992] 0 2992 291258 306 622592 0 0 syzkaller898523 [ 207.093282] [ 2993] 0 2993 367071 383 774144 0 0 syzkaller898523 [ 207.102289] [ 2995] 0 2995 371169 0 782336 0 0 syzkaller898523 [ 207.111307] [ 2998] 0 2998 350679 368 741376 0 0 syzkaller898523 [ 207.120315] [ 3001] 0 3001 352728 369 745472 0 0 syzkaller898523 [ 207.129327] [ 3002] 0 3002 403953 0 851968 0 0 syzkaller898523 [ 207.138330] Out of memory: Kill process 2993 (syzkaller898523) score 0 or sacrifice child [ 207.146797] Killed process 2993 (syzkaller898523) total-vm:1468284kB, anon-rss:1532kB, file-rss:0kB, shmem-rss:0kB [ 207.162282] oom_reaper: reaped process 2993 (syzkaller898523), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 207.727974] kworker/0:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 207.740096] kworker/0:1 cpuset=/ mems_allowed=0 [ 207.744787] CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.14.0-rc5-mm1+ #20 [ 207.751938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 207.761267] Workqueue: events pcpu_balance_workfn [ 207.766074] Call Trace: [ 207.768633] dump_stack+0x194/0x257 [ 207.772236] ? arch_local_irq_restore+0x53/0x53 [ 207.776877] ? dump_header+0x1d9/0xe0e [ 207.780733] dump_header+0x28e/0xe0e [ 207.784444] ? pagefault_out_of_memory+0x152/0x152 [ 207.789343] ? check_noncircular+0x20/0x20 [ 207.793546] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 207.798711] ? print_irqtrace_events+0x270/0x270 [ 207.803433] ? __lock_acquire+0x6aa/0x3d50 [ 207.807639] ? find_held_lock+0x35/0x1d0 [ 207.811675] ? check_noncircular+0x20/0x20 [ 207.815879] ? task_will_free_mem+0x252/0xaa0 [ 207.820346] ? find_held_lock+0x35/0x1d0 [ 207.824380] ? ___ratelimit+0x30d/0x630 [ 207.828321] ? lock_downgrade+0x990/0x990 [ 207.832441] ? do_raw_spin_trylock+0x190/0x190 [ 207.836993] ? mark_held_locks+0xaf/0x100 [ 207.841116] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 207.846190] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 207.851174] ? trace_hardirqs_on+0xd/0x10 [ 207.855291] ? ___ratelimit+0x95/0x630 [ 207.859148] ? idr_get_free_cmn+0xfd0/0xfd0 [ 207.863443] ? check_noncircular+0x20/0x20 [ 207.867644] ? find_held_lock+0x138/0x1d0 [ 207.871765] oom_kill_process+0x86d/0x13c0 [ 207.875971] ? has_ns_capability_noaudit+0x163/0x2a0 [ 207.881047] ? check_noncircular+0x20/0x20 [ 207.885253] ? oom_evaluate_task+0x480/0x480 [ 207.889639] ? security_capable_noaudit+0x8b/0xc0 [ 207.894460] ? find_held_lock+0x35/0x1d0 [ 207.898494] ? check_noncircular+0x20/0x20 [ 207.902699] ? oom_unkillable_task+0x394/0x4c0 [ 207.907247] ? lock_downgrade+0x990/0x990 [ 207.911365] ? lock_release+0xa40/0xa40 [ 207.915308] ? do_try_to_free_pages+0xc53/0x1020 [ 207.920037] ? find_lock_task_mm+0x460/0x460 [ 207.924417] ? find_held_lock+0x35/0x1d0 [ 207.928452] ? out_of_memory+0xaa9/0x11d0 [ 207.932567] ? lock_downgrade+0x990/0x990 [ 207.936685] ? lock_release+0xa40/0xa40 [ 207.940624] ? lock_acquire+0x1d5/0x580 [ 207.944565] ? blocking_notifier_call_chain+0x112/0x190 [ 207.949893] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 207.954884] ? oom_evaluate_task+0x284/0x480 [ 207.959265] out_of_memory+0x7dc/0x11d0 [ 207.963215] ? oom_killer_disable+0x310/0x310 [ 207.967681] ? mutex_trylock+0x23a/0x2d0 [ 207.971723] ? __lock_is_held+0xb6/0x140 [ 207.975752] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 207.981178] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 207.986021] ? warn_alloc+0x2f0/0x2f0 [ 207.989795] ? mutex_spin_on_owner+0x358/0x940 [ 207.994351] ? __lock_acquire+0x6aa/0x3d50 [ 207.998551] ? lock_release+0xa40/0xa40 [ 208.002492] ? in_lock_functions+0x20/0x20 [ 208.006692] ? lock_release+0xa40/0xa40 [ 208.010644] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 208.015802] ? mutex_spin_on_owner+0x377/0x940 [ 208.020359] ? check_noncircular+0x20/0x20 [ 208.024557] ? osq_lock+0xd80/0xd80 [ 208.028152] ? select_task_rq_fair+0x3470/0x3470 [ 208.032881] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 208.038730] ? account_entity_dequeue+0x22e/0x590 [ 208.043540] ? rcu_note_context_switch+0x710/0x710 [ 208.048440] ? __might_sleep+0x95/0x190 [ 208.052392] ? __lock_is_held+0xb6/0x140 [ 208.056436] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 208.062296] ? __might_sleep+0x95/0x190 [ 208.066244] __alloc_pages_nodemask+0x9fb/0xd80 [ 208.070886] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 208.075881] ? find_held_lock+0x35/0x1d0 [ 208.079915] ? __lock_is_held+0xb6/0x140 [ 208.083953] ? find_next_bit+0x27/0x30 [ 208.087815] pcpu_populate_chunk+0x1b3/0x880 [ 208.092202] pcpu_balance_workfn+0xf3e/0x1520 [ 208.096664] ? check_noncircular+0x20/0x20 [ 208.100865] ? check_noncircular+0x20/0x20 [ 208.105066] ? check_noncircular+0x20/0x20 [ 208.109275] ? pcpu_create_chunk+0x900/0x900 [ 208.113653] ? __lock_acquire+0x6aa/0x3d50 [ 208.117863] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 208.122678] ? check_noncircular+0x20/0x20 [ 208.126885] ? lock_acquire+0x1d5/0x580 [ 208.130823] ? lock_acquire+0x1d5/0x580 [ 208.134763] ? process_one_work+0xb32/0x1bc0 [ 208.139152] ? __lock_is_held+0xb6/0x140 [ 208.143194] process_one_work+0xbf0/0x1bc0 [ 208.147397] ? _raw_spin_unlock_irq+0x27/0x70 [ 208.151870] ? pwq_dec_nr_in_flight+0x450/0x450 [ 208.156513] ? preempt_notifier_dec+0x20/0x20 [ 208.160987] ? __schedule+0x8f3/0x2060 [ 208.164854] ? check_noncircular+0x20/0x20 [ 208.169056] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 208.174043] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 208.178774] ? retint_kernel+0x10/0x10 [ 208.182644] ? lock_acquire+0x1d5/0x580 [ 208.186585] ? lock_acquire+0x1d5/0x580 [ 208.190527] ? worker_thread+0x4a3/0x1990 [ 208.194640] ? lock_downgrade+0x990/0x990 [ 208.198755] ? lock_release+0xa40/0xa40 [ 208.202695] ? do_raw_spin_trylock+0x190/0x190 [ 208.207242] ? worker_pool_assign_id+0x1b0/0x1b0 [ 208.211981] worker_thread+0x223/0x1990 [ 208.215940] ? process_one_work+0x1bc0/0x1bc0 [ 208.220412] ? _raw_spin_unlock_irq+0x27/0x70 [ 208.224875] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 208.229860] ? trace_hardirqs_on+0xd/0x10 [ 208.233975] ? mmdrop+0x18/0x30 [ 208.237222] ? finish_task_switch+0x1f6/0x740 [ 208.241688] ? preempt_notifier_dec+0x20/0x20 [ 208.246163] ? __schedule+0x8f3/0x2060 [ 208.250046] ? find_held_lock+0x35/0x1d0 [ 208.254082] ? find_held_lock+0x35/0x1d0 [ 208.258120] ? complete+0x62/0x80 [ 208.261546] ? __schedule+0x2060/0x2060 [ 208.265487] ? do_wait_intr+0x3d0/0x3e0 [ 208.269426] ? __lockdep_init_map+0xe4/0x650 [ 208.273805] ? lockdep_init_map+0x9/0x10 [ 208.277835] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 208.282906] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 208.287889] ? trace_hardirqs_on+0xd/0x10 [ 208.292007] ? __kthread_parkme+0x175/0x240 [ 208.296306] kthread+0x38b/0x470 [ 208.299640] ? process_one_work+0x1bc0/0x1bc0 [ 208.304104] ? kthread_create_on_node+0x100/0x100 [ 208.308916] ret_from_fork+0x2a/0x40 [ 208.312718] Mem-Info: [ 208.315378] active_anon:2263 inactive_anon:33 isolated_anon:0 [ 208.315378] active_file:25 inactive_file:65 isolated_file:32 [ 208.315378] unevictable:0 dirty:0 writeback:0 unstable:0 [ 208.315378] slab_reclaimable:5997 slab_unreclaimable:83551 [ 208.315378] mapped:0 shmem:39 pagetables:1534 bounce:0 [ 208.315378] free:24294 free_pcp:215 free_cma:0 [ 208.347891] Node 0 active_anon:9052kB inactive_anon:132kB active_file:100kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 208.374691] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 208.400947] lowmem_reserve[]: 0 2886 6400 6400 [ 208.405560] Node 0 DMA32 free:44420kB min:30408kB low:38008kB high:45608kB active_anon:1016kB inactive_anon:0kB active_file:0kB inactive_file:112kB unevictable:0kB writepending:0kB present:3129332kB managed:2958448kB mlocked:0kB kernel_stack:3200kB pagetables:1100kB bounce:0kB free_pcp:172kB local_pcp:172kB free_cma:0kB [ 208.434142] lowmem_reserve[]: 0 0 3513 3513 [ 208.438787] Node 0 Normal free:36956kB min:37008kB low:46260kB high:55512kB active_anon:8036kB inactive_anon:132kB active_file:228kB inactive_file:488kB unevictable:0kB writepending:0kB present:4718592kB managed:3597488kB mlocked:0kB kernel_stack:13504kB pagetables:5036kB bounce:0kB free_pcp:732kB local_pcp:448kB free_cma:0kB [ 208.467875] lowmem_reserve[]: 0 0 0 0 [ 208.471721] 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 [ 208.485381] Node 0 DMA32: 39*4kB (UM) 57*8kB (ME) 28*16kB (UM) 13*32kB (UME) 7*64kB (UME) 2*128kB (ME) 3*256kB (UME) 3*512kB (ME) 3*1024kB (UME) 4*2048kB (UME) 7*4096kB (M) = 44420kB [ 208.501906] Node 0 Normal: 466*4kB (ME) 556*8kB (UME) 361*16kB (UME) 177*32kB (UM) 78*64kB (UME) 44*128kB (M) 20*256kB (ME) 5*512kB (UME) 1*1024kB (E) 0*2048kB 0*4096kB = 37080kB [ 208.518034] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 208.526619] 85 total pagecache pages [ 208.530329] 0 pages in swap cache [ 208.533782] Swap cache stats: add 0, delete 0, find 0/0 [ 208.539151] Free swap = 0kB [ 208.542160] Total swap = 0kB [ 208.545176] 1965979 pages RAM [ 208.548287] 0 pages HighMem/MovableOnly [ 208.552266] 323018 pages reserved [ 208.555722] Unreclaimable slab info: [ 208.559440] Name Used Total [ 208.564974] TIPC 1KB 7KB [ 208.570344] SCTPv6 2KB 4KB [ 208.575720] DCCPv6 2KB 7KB [ 208.581098] DCCP 2KB 6KB [ 208.586489] fib6_nodes 0KB 4KB [ 208.591862] ip6_dst_cache 7KB 7KB [ 208.597249] RAWv6 9KB 19KB [ 208.602626] UDPv6 12KB 14KB [ 208.607987] TCPv6 2KB 5KB [ 208.613366] sd_ext_cdb 0KB 3KB [ 208.618745] scsi_sense_cache 160KB 160KB [ 208.624128] virtio_scsi_cmd 16KB 16KB [ 208.629501] sgpool-128 8KB 8KB [ 208.634881] sgpool-64 4KB 6KB [ 208.640381] sgpool-32 370KB 370KB [ 208.645874] sgpool-16 45KB 45KB [ 208.651238] sgpool-8 273KB 273KB [ 208.656588] cfq_io_cq 20KB 23KB [ 208.661940] cfq_queue 34KB 34KB [ 208.667287] mqueue_inode_cache 1KB 7KB [ 208.672720] nfs_commit_data 3KB 7KB [ 208.678067] nfs_write_data 34KB 37KB [ 208.683418] jbd2_inode 1KB 3KB [ 208.688765] ext4_system_zone 0KB 3KB [ 208.694114] bio-1 1KB 3KB [ 208.699466] rpc_buffers 17KB 19KB [ 208.704998] rpc_tasks 2KB 3KB [ 208.710692] UNIX 433KB 435KB [ 208.716089] tcp_bind_bucket 0KB 4KB [ 208.721481] ip_fib_trie 0KB 3KB [ 208.726973] ip_fib_alias 0KB 3KB [ 208.732399] ip_dst_cache 4KB 7KB [ 208.737827] RAW 5KB 7KB [ 208.743335] UDP 30KB 32KB [ 208.748975] TCP 7KB 7KB [ 208.754622] hugetlbfs_inode_cache 1KB 7KB [ 208.760358] eventpoll_pwq 10KB 15KB [ 208.765741] eventpoll_epi 19KB 23KB [ 208.771116] inotify_inode_mark 2KB 7KB [ 208.776577] request_queue 31KB 39KB [ 208.782566] blkdev_ioc 30KB 31KB [ 208.787933] bio-0 400KB 400KB [ 208.793313] biovec-(1<<(21-12)) 412KB 412KB [ 208.798844] biovec-128 242KB 242KB [ 208.804211] biovec-64 110KB 110KB [ 208.809581] biovec-16 18KB 18KB [ 208.814938] khugepaged_mm_slot 0KB 3KB [ 208.820398] uid_cache 0KB 3KB [ 208.825767] dmaengine-unmap-2 0KB 3KB [ 208.831126] skbuff_fclone_cache 245KB 247KB [ 208.836665] skbuff_head_cache 1753KB 1803KB [ 208.842036] configfs_dir_cache 0KB 4KB [ 208.847479] file_lock_cache 147KB 150KB [ 208.852843] file_lock_ctx 1KB 3KB [ 208.858213] fsnotify_mark_connector 1KB 3KB [ 208.864094] shmem_inode_cache 752KB 754KB [ 208.869469] task_delay_info 527KB 533KB [ 208.874839] taskstats 3KB 7KB [ 208.880197] sigqueue 306KB 334KB [ 208.885561] kernfs_node_cache 1701KB 1704KB [ 208.890931] mnt_cache 14KB 20KB [ 208.896286] filp 7526KB 7680KB [ 208.901650] names_cache 104299KB 104337KB [ 208.907038] avc_node 2KB 3KB [ 208.912393] selinux_file_security 376KB 410KB [ 208.918108] selinux_inode_security 1537KB 1544KB [ 208.923918] key_jar 2KB 7KB [ 208.929272] nsproxy 0KB 3KB [ 208.934640] vm_area_struct 17601KB 17696KB [ 208.940036] mm_struct 3386KB 3568KB [ 208.945392] fs_cache 356KB 496KB [ 208.950761] files_cache 1336KB 1533KB [ 208.956132] signal_cache 2149KB 2609KB [ 208.961490] sighand_cache 217KB 277KB [ 208.966857] task_struct 17580KB 17580KB [ 208.972229] cred_jar 2073KB 2420KB [ 208.977727] anon_vma_chain 7283KB 7355KB [ 208.983133] anon_vma 119KB 165KB [ 208.988523] pid 367KB 372KB [ 208.993895] Acpi-Operand 106KB 166KB [ 208.999254] Acpi-Namespace 19KB 23KB [ 209.004733] numa_policy 0KB 3KB [ 209.010182] trace_event_file 139KB 139KB [ 209.015530] ftrace_event_field 245KB 248KB [ 209.021134] pool_workqueue 9KB 12KB [ 209.026514] page->ptl 2887KB 2925KB [ 209.031925] kmalloc-262144 1032KB 1032KB [ 209.037296] kmalloc-131072 650KB 650KB [ 209.042666] kmalloc-65536 264KB 264KB [ 209.048037] kmalloc-32768 462KB 462KB [ 209.053416] kmalloc-16384 132KB 132KB [ 209.058786] kmalloc-8192 4116KB 4116KB [ 209.064155] kmalloc-4096 12592KB 12631KB [ 209.069525] kmalloc-2048 3066KB 3066KB [ 209.074895] kmalloc-1024 4252KB 4252KB [ 209.080267] kmalloc-512 2910KB 3168KB [ 209.085640] kmalloc-256 1240KB 1402KB [ 209.091037] kmalloc-128 309KB 468KB [ 209.096406] kmalloc-96 588KB 588KB [ 209.101780] kmalloc-64 612KB 612KB [ 209.107149] kmalloc-32 995KB 1405KB [ 209.112520] kmalloc-192 182KB 192KB [ 209.117893] kmem_cache 90KB 93KB [ 209.123264] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 209.131874] [ 1516] 0 1516 5316 114 90112 0 -1000 udevd [ 209.140049] [ 1617] 0 1617 5315 115 86016 0 -1000 udevd [ 209.148211] [ 1618] 0 1618 5315 114 86016 0 -1000 udevd [ 209.156368] [ 2876] 0 2876 30629 233 122880 0 0 rsyslogd [ 209.164784] [ 2911] 0 2911 4725 48 81920 0 0 cron [ 209.172855] [ 2937] 0 2937 12490 153 135168 0 -1000 sshd [ 209.180922] [ 2961] 0 2961 3694 41 73728 0 0 getty [ 209.189093] [ 2962] 0 2962 3694 40 77824 0 0 getty [ 209.197247] [ 2963] 0 2963 3694 41 73728 0 0 getty [ 209.205402] [ 2964] 0 2964 3694 40 73728 0 0 getty [ 209.213555] [ 2965] 0 2965 3694 41 73728 0 0 getty [ 209.221709] [ 2966] 0 2966 3694 40 73728 0 0 getty [ 209.229864] [ 2967] 0 2967 3649 39 73728 0 0 getty [ 209.238043] [ 2988] 0 2988 17821 196 188416 0 0 sshd [ 209.246117] [ 2990] 0 2990 300 1 32768 0 0 syzkaller898523 [ 209.255142] [ 2991] 0 2991 422394 0 888832 0 0 syzkaller898523 [ 209.264178] [ 2992] 0 2992 291258 306 622592 0 0 syzkaller898523 [ 209.273202] [ 2993] 0 2993 367071 0 774144 0 0 syzkaller898523 [ 209.282229] [ 2995] 0 2995 371169 0 782336 0 0 syzkaller898523 [ 209.291259] [ 2998] 0 2998 350679 368 741376 0 0 syzkaller898523 [ 209.300285] [ 3001] 0 3001 352728 369 745472 0 0 syzkaller898523 [ 209.309308] [ 3002] 0 3002 403953 0 851968 0 0 syzkaller898523 [ 209.318344] Out of memory: Kill process 3001 (syzkaller898523) score 0 or sacrifice child [ 209.326781] Killed process 3001 (syzkaller898523) total-vm:1410912kB, anon-rss:1476kB, file-rss:0kB, shmem-rss:0kB [ 209.342163] oom_reaper: reaped process 3001 (syzkaller898523), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 210.084554] rs:main Q:Reg invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 210.096489] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 210.101366] CPU: 1 PID: 2877 Comm: rs:main Q:Reg Not tainted 4.14.0-rc5-mm1+ #20 [ 210.108883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 210.118218] Call Trace: [ 210.120784] dump_stack+0x194/0x257 [ 210.124383] ? arch_local_irq_restore+0x53/0x53 [ 210.129029] ? dump_header+0x1d9/0xe0e [ 210.132892] dump_header+0x28e/0xe0e [ 210.136587] ? pagefault_out_of_memory+0x152/0x152 [ 210.141486] ? check_noncircular+0x20/0x20 [ 210.145687] ? print_irqtrace_events+0x270/0x270 [ 210.150415] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 210.155587] ? print_irqtrace_events+0x270/0x270 [ 210.160311] ? __lock_acquire+0x6aa/0x3d50 [ 210.164525] ? find_held_lock+0x35/0x1d0 [ 210.168564] ? check_noncircular+0x20/0x20 [ 210.172766] ? task_will_free_mem+0x252/0xaa0 [ 210.177227] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 210.182390] ? find_held_lock+0x35/0x1d0 [ 210.186429] ? ___ratelimit+0x30d/0x630 [ 210.190371] ? lock_downgrade+0x990/0x990 [ 210.194493] ? do_raw_spin_trylock+0x190/0x190 [ 210.199050] ? mark_held_locks+0xaf/0x100 [ 210.203167] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 210.208240] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 210.213227] ? trace_hardirqs_on+0xd/0x10 [ 210.217348] ? ___ratelimit+0x95/0x630 [ 210.221205] ? idr_get_free_cmn+0xfd0/0xfd0 [ 210.225495] ? check_noncircular+0x20/0x20 [ 210.229699] ? find_held_lock+0x138/0x1d0 [ 210.233826] oom_kill_process+0x86d/0x13c0 [ 210.238039] ? has_ns_capability_noaudit+0x163/0x2a0 [ 210.243113] ? check_noncircular+0x20/0x20 [ 210.247320] ? oom_evaluate_task+0x480/0x480 [ 210.251711] ? security_capable_noaudit+0x8b/0xc0 [ 210.256532] ? find_held_lock+0x35/0x1d0 [ 210.260569] ? check_noncircular+0x20/0x20 [ 210.264773] ? oom_unkillable_task+0x394/0x4c0 [ 210.269324] ? lock_downgrade+0x990/0x990 [ 210.273443] ? lock_release+0xa40/0xa40 [ 210.277385] ? do_try_to_free_pages+0xc53/0x1020 [ 210.282113] ? find_lock_task_mm+0x460/0x460 [ 210.286498] ? find_held_lock+0x35/0x1d0 [ 210.290538] ? out_of_memory+0xaa9/0x11d0 [ 210.294656] ? lock_downgrade+0x990/0x990 [ 210.298777] ? lock_release+0xa40/0xa40 [ 210.302720] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 210.307713] ? oom_evaluate_task+0x284/0x480 [ 210.312098] out_of_memory+0x7dc/0x11d0 [ 210.316039] ? trace_hardirqs_on+0xd/0x10 [ 210.320167] ? oom_killer_disable+0x310/0x310 [ 210.324632] ? mutex_trylock+0x23a/0x2d0 [ 210.328666] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 210.334087] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 210.339953] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 210.344775] ? __radix_tree_insert+0x7b0/0x7b0 [ 210.349349] ? warn_alloc+0x2f0/0x2f0 [ 210.353122] ? find_get_entry+0x513/0x9e0 [ 210.357241] ? lock_downgrade+0x990/0x990 [ 210.361365] ? radix_tree_lookup_slot+0x99/0xe0 [ 210.366006] ? __lock_acquire+0x6aa/0x3d50 [ 210.370213] ? mark_held_locks+0xaf/0x100 [ 210.374338] ? find_get_entry+0x53c/0x9e0 [ 210.378460] ? check_noncircular+0x20/0x20 [ 210.382672] ? blk_init_request_from_bio+0x3d0/0x3d0 [ 210.387740] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 210.392904] ? __radix_tree_lookup+0x435/0x5e0 [ 210.397494] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 210.403357] ? __might_sleep+0x95/0x190 [ 210.407306] __alloc_pages_nodemask+0x9fb/0xd80 [ 210.411953] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 210.416942] ? add_to_page_cache_lru+0x510/0x510 [ 210.421674] ? check_noncircular+0x20/0x20 [ 210.425876] ? check_noncircular+0x20/0x20 [ 210.430081] ? __lock_acquire+0x6aa/0x3d50 [ 210.434286] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 210.439042] alloc_pages_current+0xb6/0x1e0 [ 210.443337] __page_cache_alloc+0x334/0x500 [ 210.447629] ? rcu_read_lock_held+0xa9/0xc0 [ 210.451924] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 210.459268] filemap_fault+0xefc/0x1c20 [ 210.463227] ? __lock_page_or_retry+0x4f0/0x4f0 [ 210.467873] ? filemap_map_pages+0x942/0x15d0 [ 210.472353] ? find_get_entries_tag+0xeb0/0xeb0 [ 210.476994] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 210.482160] ? check_noncircular+0x20/0x20 [ 210.486363] ? __lock_acquire+0x6aa/0x3d50 [ 210.490567] ? __lock_acquire+0x6aa/0x3d50 [ 210.494773] ? finish_task_switch+0x1d3/0x740 [ 210.499238] ? check_noncircular+0x20/0x20 [ 210.503455] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 210.508620] ? lock_acquire+0x1d5/0x580 [ 210.512562] ? lock_acquire+0x1d5/0x580 [ 210.516506] ? ext4_filemap_fault+0x7a/0xad [ 210.520807] ? lock_release+0xa40/0xa40 [ 210.524753] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 210.530607] ? ext4_filemap_fault+0x8d/0xad [ 210.534902] ? rcu_note_context_switch+0x710/0x710 [ 210.539799] ? lock_downgrade+0x990/0x990 [ 210.543921] ? __might_sleep+0x95/0x190 [ 210.547869] ? down_read+0x96/0x150 [ 210.551466] ? ext4_filemap_fault+0x7a/0xad [ 210.555760] ? __down_interruptible+0x6b0/0x6b0 [ 210.560410] ext4_filemap_fault+0x82/0xad [ 210.564529] __do_fault+0xeb/0x30f [ 210.568039] ? do_raw_spin_trylock+0x190/0x190 [ 210.572591] ? pte_offset_kernel+0xc7/0xc7 [ 210.576803] ? lock_downgrade+0x990/0x990 [ 210.580920] ? check_noncircular+0x20/0x20 [ 210.585131] __handle_mm_fault+0x1b9b/0x39c0 [ 210.589518] ? __pmd_alloc+0x4e0/0x4e0 [ 210.593382] ? find_held_lock+0x35/0x1d0 [ 210.597423] ? handle_mm_fault+0x248/0x8d0 [ 210.601626] ? lock_downgrade+0x990/0x990 [ 210.605770] handle_mm_fault+0x334/0x8d0 [ 210.609798] ? down_read_trylock+0xdb/0x170 [ 210.615025] ? __do_page_fault+0x31e/0xd60 [ 210.619232] ? __handle_mm_fault+0x39c0/0x39c0 [ 210.623783] ? vmacache_find+0x5f/0x280 [ 210.627741] ? find_vma+0x30/0x150 [ 210.631256] __do_page_fault+0x5bd/0xd60 [ 210.635297] ? mm_fault_error+0x2c0/0x2c0 [ 210.639415] ? avc_policy_seqno+0x9/0x20 [ 210.643444] ? selinux_file_permission+0x82/0x460 [ 210.648358] do_page_fault+0xee/0x720 [ 210.652128] ? __do_page_fault+0xd60/0xd60 [ 210.656330] ? __fdget_raw+0x20/0x20 [ 210.660021] ? vfs_write+0x224/0x510 [ 210.663705] ? fput+0xd2/0x140 [ 210.666868] ? SyS_write+0x184/0x220 [ 210.670557] ? retint_user+0x18/0x20 [ 210.674246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 210.679067] page_fault+0x22/0x30 [ 210.682489] RIP: 0033:0x7f4f960b6e70 [ 210.686173] RSP: 002b:00007f4f9465aeb8 EFLAGS: 00010202 [ 210.691509] RAX: 00007f4f960b6e70 RBX: 00007f4f95a62ac0 RCX: ffff80b06a59d58f [ 210.698748] RDX: 0000000000000000 RSI: 00000000ffff8000 RDI: 00007f4f95c9afc0 [ 210.705987] RBP: 00007f4f9465b030 R08: fefefefefefefeff R09: ff00000000000000 [ 210.713225] R10: 00007f4f95c9b1ac R11: 0000000000000001 R12: 00007f4f9465aec0 [ 210.720461] R13: 0000000000000000 R14: 0000000000000017 R15: 00000000000005c0 [ 210.727834] Mem-Info: [ 210.837524] active_anon:2019 inactive_anon:33 isolated_anon:0 [ 210.837524] active_file:11 inactive_file:33 isolated_file:0 [ 210.837524] unevictable:0 dirty:0 writeback:0 unstable:0 [ 210.837524] slab_reclaimable:6014 slab_unreclaimable:83121 [ 210.837524] mapped:18 shmem:39 pagetables:1534 bounce:0 [ 210.837524] free:24209 free_pcp:75 free_cma:0 [ 210.870751] Node 0 active_anon:8076kB inactive_anon:132kB active_file:44kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 210.898047] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 210.925149] lowmem_reserve[]: 0 2886 6400 6400 [ 210.930680] Node 0 DMA32 free:44420kB min:30408kB low:38008kB high:45608kB active_anon:656kB inactive_anon:0kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2958448kB mlocked:0kB kernel_stack:3200kB pagetables:1100kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 210.959078] lowmem_reserve[]: 0 0 3513 3513 [ 210.964340] Node 0 Normal free:36068kB min:37008kB low:46260kB high:55512kB active_anon:7420kB inactive_anon:132kB active_file:56kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3597488kB mlocked:0kB kernel_stack:13504kB pagetables:5036kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 210.993730] lowmem_reserve[]: 0 0 0 0 [ 210.998464] 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 [ 211.012963] Node 0 DMA32: 76*4kB (UM) 48*8kB (UME) 39*16kB (UM) 17*32kB (UME) 7*64kB (ME) 2*128kB (ME) 2*256kB (ME) 3*512kB (ME) 3*1024kB (UME) 4*2048kB (UME) 7*4096kB (M) = 44544kB [ 211.030323] Node 0 Normal: 535*4kB (ME) 510*8kB (ME) 340*16kB (UM) 184*32kB (ME) 85*64kB (ME) 45*128kB (M) 20*256kB (UM) 3*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 36428kB [ 211.046927] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 211.055996] 74 total pagecache pages [ 211.060614] 0 pages in swap cache [ 211.064941] Swap cache stats: add 0, delete 0, find 0/0 [ 211.071175] Free swap = 0kB [ 211.075107] Total swap = 0kB [ 211.079033] 1965979 pages RAM [ 211.083036] 0 pages HighMem/MovableOnly [ 211.087887] 323018 pages reserved [ 211.092244] Unreclaimable slab info: [ 211.096835] Name Used Total [ 211.103299] TIPC 1KB 7KB [ 211.109551] SCTPv6 2KB 4KB [ 211.115753] DCCPv6 2KB 7KB [ 211.121994] DCCP 2KB 6KB [ 211.128293] fib6_nodes 0KB 4KB [ 211.134577] ip6_dst_cache 7KB 7KB [ 211.140769] RAWv6 9KB 19KB [ 211.146598] UDPv6 12KB 14KB [ 211.152872] TCPv6 2KB 5KB [ 211.159089] sd_ext_cdb 0KB 3KB [ 211.165365] scsi_sense_cache 200KB 200KB [ 211.171621] virtio_scsi_cmd 16KB 16KB [ 211.177890] sgpool-128 8KB 8KB [ 211.184154] sgpool-64 4KB 6KB [ 211.190432] sgpool-32 543KB 543KB [ 211.196684] sgpool-16 71KB 71KB [ 211.202927] sgpool-8 311KB 311KB [ 211.209185] cfq_io_cq 19KB 23KB [ 211.215450] cfq_queue 34KB 34KB [ 211.221746] mqueue_inode_cache 1KB 7KB [ 211.228103] nfs_commit_data 3KB 7KB [ 211.234374] nfs_write_data 34KB 37KB [ 211.240685] jbd2_inode 1KB 3KB [ 211.246923] ext4_system_zone 0KB 3KB [ 211.253233] bio-1 1KB 3KB [ 211.259483] rpc_buffers 17KB 19KB [ 211.265754] rpc_tasks 2KB 3KB [ 211.271962] UNIX 433KB 435KB [ 211.278237] tcp_bind_bucket 0KB 4KB [ 211.284500] ip_fib_trie 0KB 3KB [ 211.290767] ip_fib_alias 0KB 3KB [ 211.297051] ip_dst_cache 4KB 7KB [ 211.303325] RAW 5KB 7KB [ 211.309580] UDP 30KB 32KB [ 211.315848] TCP 7KB 7KB [ 211.322133] hugetlbfs_inode_cache 1KB 7KB [ 211.328741] eventpoll_pwq 10KB 15KB [ 211.334976] eventpoll_epi 19KB 23KB [ 211.341243] inotify_inode_mark 2KB 7KB [ 211.347608] request_queue 31KB 39KB [ 211.353888] blkdev_ioc 28KB 31KB [ 211.360132] bio-0 476KB 476KB [ 211.366397] biovec-(1<<(21-12)) 462KB 462KB [ 211.372852] biovec-128 369KB 369KB [ 211.379116] biovec-64 212KB 212KB [ 211.385364] biovec-16 30KB 30KB [ 211.391630] khugepaged_mm_slot 0KB 3KB [ 211.397987] uid_cache 0KB 3KB [ 211.404254] dmaengine-unmap-2 0KB 3KB [ 211.410444] skbuff_fclone_cache 245KB 247KB [ 211.416942] skbuff_head_cache 1749KB 1800KB [ 211.423216] configfs_dir_cache 0KB 4KB [ 211.429537] file_lock_cache 147KB 150KB [ 211.435797] file_lock_ctx 1KB 3KB [ 211.442093] fsnotify_mark_connector 1KB 3KB [ 211.448903] shmem_inode_cache 752KB 754KB [ 211.455184] task_delay_info 527KB 533KB [ 211.461467] taskstats 3KB 7KB [ 211.467825] sigqueue 305KB 334KB [ 211.474086] kernfs_node_cache 1701KB 1704KB [ 211.480353] mnt_cache 14KB 20KB [ 211.486611] filp 7520KB 7680KB [ 211.492888] names_cache 103126KB 103164KB [ 211.499160] avc_node 2KB 3KB [ 211.505430] selinux_file_security 375KB 410KB [ 211.511995] selinux_inode_security 1536KB 1544KB [ 211.518887] key_jar 2KB 7KB [ 211.525169] nsproxy 0KB 3KB [ 211.531055] vm_area_struct 17459KB 17626KB [ 211.536455] mm_struct 3379KB 3568KB [ 211.541832] fs_cache 355KB 496KB [ 211.548047] files_cache 1334KB 1533KB [ 211.553424] signal_cache 2141KB 2609KB [ 211.558795] sighand_cache 203KB 270KB [ 211.564168] task_struct 17568KB 17580KB [ 211.569539] cred_jar 2067KB 2420KB [ 211.574909] anon_vma_chain 7216KB 7308KB [ 211.580279] anon_vma 112KB 165KB [ 211.585659] pid 366KB 372KB [ 211.591044] Acpi-Operand 106KB 166KB [ 211.596418] Acpi-Namespace 19KB 23KB [ 211.601793] numa_policy 0KB 3KB [ 211.607203] trace_event_file 139KB 139KB [ 211.612572] ftrace_event_field 245KB 248KB [ 211.618046] pool_workqueue 9KB 12KB [ 211.623419] page->ptl 2887KB 2925KB [ 211.628818] kmalloc-262144 1032KB 1032KB [ 211.634191] kmalloc-131072 650KB 650KB [ 211.639560] kmalloc-65536 264KB 264KB [ 211.644932] kmalloc-32768 462KB 462KB [ 211.650302] kmalloc-16384 132KB 132KB [ 211.655672] kmalloc-8192 4116KB 4116KB [ 211.661042] kmalloc-4096 12312KB 12350KB [ 211.666412] kmalloc-2048 3066KB 3066KB [ 211.671780] kmalloc-1024 4567KB 4567KB [ 211.677150] kmalloc-512 2902KB 3168KB [ 211.683366] kmalloc-256 1236KB 1398KB [ 211.688738] kmalloc-128 309KB 468KB [ 211.694108] kmalloc-96 588KB 588KB [ 211.699482] kmalloc-64 612KB 612KB [ 211.704851] kmalloc-32 995KB 1405KB [ 211.710222] kmalloc-192 182KB 192KB [ 211.715599] kmem_cache 90KB 93KB [ 211.720968] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 211.729576] [ 1516] 0 1516 5316 114 90112 0 -1000 udevd [ 211.737733] [ 1617] 0 1617 5315 115 86016 0 -1000 udevd [ 211.745925] [ 1618] 0 1618 5315 114 86016 0 -1000 udevd [ 211.754079] [ 2876] 0 2876 30629 354 122880 0 0 rsyslogd [ 211.762486] [ 2911] 0 2911 4725 48 81920 0 0 cron [ 211.770541] [ 2937] 0 2937 12490 153 135168 0 -1000 sshd [ 211.778598] [ 2961] 0 2961 3694 41 73728 0 0 getty [ 211.786743] [ 2962] 0 2962 3694 40 77824 0 0 getty [ 211.794887] [ 2963] 0 2963 3694 41 73728 0 0 getty [ 211.803048] [ 2964] 0 2964 3694 40 73728 0 0 getty [ 211.811203] [ 2965] 0 2965 3694 41 73728 0 0 getty [ 211.819368] [ 2966] 0 2966 3694 40 73728 0 0 getty [ 211.827521] [ 2967] 0 2967 3649 39 73728 0 0 getty [ 211.835676] [ 2988] 0 2988 17821 196 188416 0 0 sshd [ 211.843750] [ 2990] 0 2990 300 1 32768 0 0 syzkaller898523 [ 211.852776] [ 2991] 0 2991 422394 0 888832 0 0 syzkaller898523 [ 211.861802] [ 2992] 0 2992 291258 306 622592 0 0 syzkaller898523 [ 211.870826] [ 2993] 0 2993 367071 0 774144 0 0 syzkaller898523 [ 211.879854] [ 2995] 0 2995 371169 0 782336 0 0 syzkaller898523 [ 211.888885] [ 2998] 0 2998 350679 368 741376 0 0 syzkaller898523 [ 211.897913] [ 3001] 0 3001 352728 0 745472 0 0 syzkaller898523 [ 211.906935] [ 3002] 0 3002 403953 0 851968 0 0 syzkaller898523 [ 211.915962] Out of memory: Kill process 2998 (syzkaller898523) score 0 or sacrifice child [ 211.925098] Killed process 2998 (syzkaller898523) total-vm:1402716kB, anon-rss:1472kB, file-rss:0kB, shmem-rss:0kB [ 211.940404] oom_reaper: reaped process 2998 (syzkaller898523), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 212.156538] rs:main Q:Reg invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 212.168445] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 212.173285] CPU: 0 PID: 2877 Comm: rs:main Q:Reg Not tainted 4.14.0-rc5-mm1+ #20 [ 212.180782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 212.190098] Call Trace: [ 212.192656] dump_stack+0x194/0x257 [ 212.196252] ? arch_local_irq_restore+0x53/0x53 [ 212.200890] ? dump_header+0x1d9/0xe0e [ 212.204747] dump_header+0x28e/0xe0e [ 212.208426] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 212.213583] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 212.218741] ? pagefault_out_of_memory+0x152/0x152 [ 212.223634] ? check_noncircular+0x20/0x20 [ 212.227836] ? print_irqtrace_events+0x270/0x270 [ 212.232557] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 212.237722] ? print_irqtrace_events+0x270/0x270 [ 212.242440] ? __lock_acquire+0x6aa/0x3d50 [ 212.246644] ? find_held_lock+0x35/0x1d0 [ 212.250677] ? check_noncircular+0x20/0x20 [ 212.254876] ? task_will_free_mem+0x252/0xaa0 [ 212.259334] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 212.264495] ? find_held_lock+0x35/0x1d0 [ 212.268528] ? ___ratelimit+0x30d/0x630 [ 212.272471] ? lock_downgrade+0x990/0x990 [ 212.276588] ? do_raw_spin_trylock+0x190/0x190 [ 212.281139] ? mark_held_locks+0xaf/0x100 [ 212.285253] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 212.290322] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 212.295302] ? trace_hardirqs_on+0xd/0x10 [ 212.299415] ? ___ratelimit+0x95/0x630 [ 212.303268] ? idr_get_free_cmn+0xfd0/0xfd0 [ 212.307557] ? find_held_lock+0x35/0x1d0 [ 212.311589] oom_kill_process+0x86d/0x13c0 [ 212.315791] ? lock_downgrade+0x990/0x990 [ 212.319906] ? do_raw_spin_trylock+0x190/0x190 [ 212.324454] ? check_noncircular+0x20/0x20 [ 212.328657] ? oom_evaluate_task+0x480/0x480 [ 212.333042] ? find_lock_task_mm+0x23b/0x460 [ 212.337420] ? find_held_lock+0x35/0x1d0 [ 212.341450] ? check_noncircular+0x20/0x20 [ 212.345651] ? oom_unkillable_task+0x394/0x4c0 [ 212.350198] ? lock_downgrade+0x990/0x990 [ 212.354313] ? lock_release+0xa40/0xa40 [ 212.358254] ? do_try_to_free_pages+0xc53/0x1020 [ 212.362976] ? find_lock_task_mm+0x460/0x460 [ 212.367354] ? find_held_lock+0x35/0x1d0 [ 212.371390] ? out_of_memory+0xaa9/0x11d0 [ 212.375504] ? lock_downgrade+0x990/0x990 [ 212.379619] ? lock_release+0xa40/0xa40 [ 212.383561] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 212.388555] ? oom_evaluate_task+0x284/0x480 [ 212.392934] out_of_memory+0x7dc/0x11d0 [ 212.396875] ? trace_hardirqs_on+0xd/0x10 [ 212.400996] ? oom_killer_disable+0x310/0x310 [ 212.405454] ? mutex_trylock+0x23a/0x2d0 [ 212.409482] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 212.414896] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 212.420757] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 212.425572] ? __radix_tree_insert+0x7b0/0x7b0 [ 212.430138] ? warn_alloc+0x2f0/0x2f0 [ 212.433916] ? find_get_entry+0x513/0x9e0 [ 212.438029] ? lock_downgrade+0x990/0x990 [ 212.442154] ? __lock_is_held+0xb6/0x140 [ 212.446192] ? find_get_entry+0x53c/0x9e0 [ 212.450311] ? check_noncircular+0x20/0x20 [ 212.454517] ? __lock_acquire+0x6aa/0x3d50 [ 212.458719] ? find_held_lock+0x35/0x1d0 [ 212.462746] ? __radix_tree_lookup+0x435/0x5e0 [ 212.467324] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 212.473173] ? __page_cache_alloc+0x12d/0x500 [ 212.477640] ? __might_sleep+0x95/0x190 [ 212.481584] __alloc_pages_nodemask+0x9fb/0xd80 [ 212.486224] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 212.491207] ? add_to_page_cache_lru+0x510/0x510 [ 212.495942] ? check_noncircular+0x20/0x20 [ 212.500141] ? check_noncircular+0x20/0x20 [ 212.504341] ? __lock_acquire+0x6aa/0x3d50 [ 212.508541] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 212.513281] alloc_pages_current+0xb6/0x1e0 [ 212.517571] __page_cache_alloc+0x334/0x500 [ 212.521861] ? rcu_read_lock_held+0xa9/0xc0 [ 212.526149] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 212.533486] filemap_fault+0xefc/0x1c20 [ 212.537440] ? __lock_page_or_retry+0x4f0/0x4f0 [ 212.542087] ? filemap_map_pages+0x942/0x15d0 [ 212.546560] ? find_get_entries_tag+0xeb0/0xeb0 [ 212.551197] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 212.556353] ? check_noncircular+0x20/0x20 [ 212.560552] ? __lock_acquire+0x6aa/0x3d50 [ 212.564750] ? __lock_acquire+0x6aa/0x3d50 [ 212.568952] ? finish_task_switch+0x1d3/0x740 [ 212.573413] ? check_noncircular+0x20/0x20 [ 212.577620] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 212.582780] ? lock_acquire+0x1d5/0x580 [ 212.586718] ? lock_acquire+0x1d5/0x580 [ 212.590659] ? ext4_filemap_fault+0x7a/0xad [ 212.594950] ? lock_release+0xa40/0xa40 [ 212.598890] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 212.604737] ? ext4_filemap_fault+0x8d/0xad [ 212.609024] ? rcu_note_context_switch+0x710/0x710 [ 212.613918] ? lock_downgrade+0x990/0x990 [ 212.618039] ? __might_sleep+0x95/0x190 [ 212.621983] ? down_read+0x96/0x150 [ 212.625574] ? ext4_filemap_fault+0x7a/0xad [ 212.629862] ? __down_interruptible+0x6b0/0x6b0 [ 212.634505] ext4_filemap_fault+0x82/0xad [ 212.638622] __do_fault+0xeb/0x30f [ 212.642129] ? do_raw_spin_trylock+0x190/0x190 [ 212.646677] ? pte_offset_kernel+0xc7/0xc7 [ 212.650882] ? lock_downgrade+0x990/0x990 [ 212.654995] ? check_noncircular+0x20/0x20 [ 212.659199] __handle_mm_fault+0x1b9b/0x39c0 [ 212.663579] ? __pmd_alloc+0x4e0/0x4e0 [ 212.667438] ? find_held_lock+0x35/0x1d0 [ 212.671473] ? handle_mm_fault+0x248/0x8d0 [ 212.675676] ? lock_downgrade+0x990/0x990 [ 212.679812] handle_mm_fault+0x334/0x8d0 [ 212.683837] ? down_read_trylock+0xdb/0x170 [ 212.688126] ? __do_page_fault+0x31e/0xd60 [ 212.692325] ? __handle_mm_fault+0x39c0/0x39c0 [ 212.696871] ? vmacache_find+0x5f/0x280 [ 212.700816] ? find_vma+0x30/0x150 [ 212.704324] __do_page_fault+0x5bd/0xd60 [ 212.708357] ? mm_fault_error+0x2c0/0x2c0 [ 212.712472] ? avc_policy_seqno+0x9/0x20 [ 212.716497] ? selinux_file_permission+0x82/0x460 [ 212.721310] do_page_fault+0xee/0x720 [ 212.725076] ? __do_page_fault+0xd60/0xd60 [ 212.729276] ? __fdget_raw+0x20/0x20 [ 212.732961] ? vfs_write+0x224/0x510 [ 212.736644] ? fput+0xd2/0x140 [ 212.739802] ? SyS_write+0x184/0x220 [ 212.743481] ? retint_user+0x18/0x20 [ 212.747164] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 212.751979] page_fault+0x22/0x30 [ 212.755397] RIP: 0033:0x7f4f959b2000 [ 212.759073] RSP: 002b:00007f4f9465b498 EFLAGS: 00010206 [ 212.764400] RAX: 0000000000000004 RBX: 00007f4f9465b4c0 RCX: 0000000001f3ad50 [ 212.771635] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 00007f4f9465b4a0 [ 212.778871] RBP: 0000000000000017 R08: 00000000000003df R09: 0000000001f1a200 [ 212.786677] R10: 0000000000000000 R11: 000000000065e478 R12: 0000000001f05ea8 [ 212.793912] R13: 0000000000000017 R14: 0000000000000000 R15: 00000000000005c0 [ 212.801299] Mem-Info: [ 212.803831] active_anon:1656 inactive_anon:33 isolated_anon:0 [ 212.803831] active_file:40 inactive_file:96 isolated_file:0 [ 212.803831] unevictable:0 dirty:0 writeback:0 unstable:0 [ 212.803831] slab_reclaimable:6020 slab_unreclaimable:83115 [ 212.803831] mapped:4 shmem:39 pagetables:1534 bounce:0 [ 212.803831] free:24215 free_pcp:36 free_cma:0 [ 212.838368] Node 0 active_anon:6624kB inactive_anon:132kB active_file:136kB inactive_file:348kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 212.877075] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 212.904181] lowmem_reserve[]: 0 2886 6400 6400 [ 212.910209] Node 0 DMA32 free:43968kB min:30408kB low:38008kB high:45608kB active_anon:284kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2958448kB mlocked:0kB kernel_stack:3200kB pagetables:1100kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 212.939847] lowmem_reserve[]: 0 0 3513 3513 [ 212.946311] Node 0 Normal free:36488kB min:37008kB low:46260kB high:55512kB active_anon:6340kB inactive_anon:132kB active_file:132kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3597488kB mlocked:0kB kernel_stack:13504kB pagetables:5036kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 212.975563] lowmem_reserve[]: 0 0 0 0 [ 212.980294] 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 [ 212.994821] Node 0 DMA32: 37*4kB (UM) 37*8kB (ME) 31*16kB (UM) 23*32kB (UME) 14*64kB (ME) 3*128kB (ME) 3*256kB (UME) 4*512kB (UME) 2*1024kB (ME) 4*2048kB (UME) 7*4096kB (M) = 44684kB [ 213.012246] Node 0 Normal: 495*4kB (UME) 457*8kB (UME) 332*16kB (UME) 198*32kB (UME) 89*64kB (M) 54*128kB (M) 20*256kB (UM) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37060kB [ 213.028873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 213.038333] 93 total pagecache pages [ 213.042917] 0 pages in swap cache [ 213.047248] Swap cache stats: add 0, delete 0, find 0/0 [ 213.053276] Free swap = 0kB [ 213.057142] Total swap = 0kB [ 213.061063] 1965979 pages RAM [ 213.065096] 0 pages HighMem/MovableOnly [ 213.069954] 323018 pages reserved [ 213.074295] Unreclaimable slab info: [ 213.078889] Name Used Total [ 213.085317] TIPC 1KB 7KB [ 213.091572] SCTPv6 2KB 4KB [ 213.097838] DCCPv6 2KB 7KB [ 213.104095] DCCP 2KB 6KB [ 213.110378] fib6_nodes 0KB 4KB [ 213.116639] ip6_dst_cache 7KB 7KB [ 213.122920] RAWv6 9KB 19KB [ 213.129199] UDPv6 12KB 14KB [ 213.135456] TCPv6 2KB 5KB [ 213.141731] sd_ext_cdb 0KB 3KB [ 213.147921] scsi_sense_cache 204KB 204KB [ 213.154191] virtio_scsi_cmd 16KB 16KB [ 213.160457] sgpool-128 8KB 8KB [ 213.166731] sgpool-64 4KB 6KB [ 213.172915] sgpool-32 574KB 574KB [ 213.179163] sgpool-16 75KB 75KB [ 213.185403] sgpool-8 318KB 318KB [ 213.191673] cfq_io_cq 17KB 23KB [ 213.197855] cfq_queue 28KB 34KB [ 213.204065] mqueue_inode_cache 1KB 7KB [ 213.210410] nfs_commit_data 3KB 7KB [ 213.216653] nfs_write_data 34KB 37KB [ 213.222814] jbd2_inode 1KB 3KB [ 213.229067] ext4_system_zone 0KB 3KB [ 213.235332] bio-1 1KB 3KB [ 213.241612] rpc_buffers 17KB 19KB [ 213.247847] rpc_tasks 2KB 3KB [ 213.254107] UNIX 433KB 435KB [ 213.260358] tcp_bind_bucket 0KB 4KB [ 213.266554] ip_fib_trie 0KB 3KB [ 213.272882] ip_fib_alias 0KB 3KB [ 213.279151] ip_dst_cache 4KB 7KB [ 213.285419] RAW 5KB 7KB [ 213.291680] UDP 30KB 32KB [ 213.297902] TCP 7KB 7KB [ 213.304163] hugetlbfs_inode_cache 1KB 7KB [ 213.310764] eventpoll_pwq 10KB 15KB [ 213.316996] eventpoll_epi 19KB 23KB [ 213.323259] inotify_inode_mark 2KB 7KB [ 213.329582] request_queue 31KB 39KB [ 213.335832] blkdev_ioc 25KB 31KB [ 213.342093] bio-0 484KB 484KB [ 213.348290] biovec-(1<<(21-12)) 462KB 462KB [ 213.354711] biovec-128 388KB 388KB [ 213.360940] biovec-64 212KB 212KB [ 213.366827] biovec-16 30KB 30KB [ 213.373079] khugepaged_mm_slot 0KB 3KB [ 213.379377] uid_cache 0KB 3KB [ 213.385582] dmaengine-unmap-2 0KB 3KB [ 213.391824] skbuff_fclone_cache 245KB 247KB [ 213.398259] skbuff_head_cache 1742KB 1796KB [ 213.404531] configfs_dir_cache 0KB 4KB [ 213.410867] file_lock_cache 147KB 150KB [ 213.417124] file_lock_ctx 1KB 3KB [ 213.423331] fsnotify_mark_connector 1KB 3KB [ 213.430068] shmem_inode_cache 752KB 754KB [ 213.436316] task_delay_info 526KB 533KB [ 213.442581] taskstats 3KB 7KB [ 213.448843] sigqueue 303KB 334KB [ 213.455108] kernfs_node_cache 1701KB 1704KB [ 213.461352] mnt_cache 14KB 20KB [ 213.467607] filp 7506KB 7672KB [ 213.473847] names_cache 103117KB 103156KB [ 213.480091] avc_node 2KB 3KB [ 213.486344] selinux_file_security 373KB 410KB [ 213.492928] selinux_inode_security 1536KB 1544KB [ 213.499635] key_jar 2KB 7KB [ 213.505896] nsproxy 0KB 3KB [ 213.512161] vm_area_struct 17454KB 17626KB [ 213.518428] mm_struct 3371KB 3561KB [ 213.524676] fs_cache 355KB 496KB [ 213.530910] files_cache 1332KB 1533KB [ 213.537182] signal_cache 2137KB 2609KB [ 213.543414] sighand_cache 201KB 270KB [ 213.549668] task_struct 17556KB 17580KB [ 213.555902] cred_jar 2060KB 2420KB [ 213.561753] anon_vma_chain 7211KB 7308KB [ 213.568007] anon_vma 111KB 165KB [ 213.574284] pid 366KB 372KB [ 213.580522] Acpi-Operand 106KB 166KB [ 213.586764] Acpi-Namespace 19KB 23KB [ 213.592986] numa_policy 0KB 3KB [ 213.599245] trace_event_file 139KB 139KB [ 213.605493] ftrace_event_field 245KB 248KB [ 213.611838] pool_workqueue 9KB 12KB [ 213.618111] page->ptl 2883KB 2925KB [ 213.624415] kmalloc-262144 1032KB 1032KB [ 213.630669] kmalloc-131072 650KB 650KB [ 213.636905] kmalloc-65536 264KB 264KB [ 213.643171] kmalloc-32768 462KB 462KB [ 213.649445] kmalloc-16384 132KB 132KB [ 213.655689] kmalloc-8192 4116KB 4116KB [ 213.661926] kmalloc-4096 12295KB 12333KB [ 213.668174] kmalloc-2048 3066KB 3066KB [ 213.674418] kmalloc-1024 4599KB 4599KB [ 213.680674] kmalloc-512 2888KB 3157KB [ 213.686913] kmalloc-256 1229KB 1395KB [ 213.693105] kmalloc-128 309KB 468KB [ 213.699339] kmalloc-96 588KB 588KB [ 213.705392] kmalloc-64 612KB 612KB [ 213.711576] kmalloc-32 995KB 1405KB [ 213.717890] kmalloc-192 182KB 192KB [ 213.724149] kmem_cache 90KB 93KB [ 213.730422] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 213.740076] [ 1516] 0 1516 5316 114 90112 0 -1000 udevd [ 213.748946] [ 1617] 0 1617 5315 115 86016 0 -1000 udevd [ 213.757104] [ 1618] 0 1618 5315 114 86016 0 -1000 udevd [ 213.765281] [ 2876] 0 2876 30629 354 122880 0 0 rsyslogd [ 213.773711] [ 2911] 0 2911 4725 48 81920 0 0 cron [ 213.781784] [ 2937] 0 2937 12490 153 135168 0 -1000 sshd [ 213.789856] [ 2961] 0 2961 3694 41 73728 0 0 getty [ 213.798051] [ 2962] 0 2962 3694 40 77824 0 0 getty [ 213.806204] [ 2963] 0 2963 3694 41 73728 0 0 getty [ 213.814360] [ 2964] 0 2964 3694 40 73728 0 0 getty [ 213.822518] [ 2965] 0 2965 3694 41 73728 0 0 getty [ 213.830669] [ 2966] 0 2966 3694 40 73728 0 0 getty [ 213.838818] [ 2967] 0 2967 3649 39 73728 0 0 getty [ 213.846969] [ 2988] 0 2988 17821 196 188416 0 0 sshd [ 213.855047] [ 2990] 0 2990 300 1 32768 0 0 syzkaller898523 [ 213.864070] [ 2991] 0 2991 422394 0 888832 0 0 syzkaller898523 [ 213.873090] [ 2992] 0 2992 291258 306 622592 0 0 syzkaller898523 [ 213.882113] [ 2993] 0 2993 367071 0 774144 0 0 syzkaller898523 [ 213.891132] [ 2995] 0 2995 371169 0 782336 0 0 syzkaller898523 [ 213.900152] [ 2998] 0 2998 350679 0 741376 0 0 syzkaller898523 [ 213.909170] [ 3001] 0 3001 352728 0 745472 0 0 syzkaller898523 [ 213.918189] [ 3002] 0 3002 403953 0 851968 0 0 syzkaller898523 [ 213.927205] Out of memory: Kill process 2992 (syzkaller898523) score 0 or sacrifice child [ 213.935746] Killed process 2992 (syzkaller898523) total-vm:1165032kB, anon-rss:1224kB, file-rss:0kB, shmem-rss:0kB [ 213.950666] oom_reaper: reaped process 2992 (syzkaller898523), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 214.127856] rs:main Q:Reg invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 214.139893] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 214.144832] CPU: 1 PID: 2877 Comm: rs:main Q:Reg Not tainted 4.14.0-rc5-mm1+ #20 [ 214.152341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 214.161673] Call Trace: [ 214.164243] dump_stack+0x194/0x257 [ 214.167855] ? arch_local_irq_restore+0x53/0x53 [ 214.172512] ? dump_header+0x1d9/0xe0e [ 214.176387] dump_header+0x28e/0xe0e [ 214.180080] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 214.185248] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 214.190427] ? pagefault_out_of_memory+0x152/0x152 [ 214.195334] ? check_noncircular+0x20/0x20 [ 214.199551] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 214.204738] ? print_irqtrace_events+0x270/0x270 [ 214.209468] ? __lock_acquire+0x6aa/0x3d50 [ 214.213693] ? find_held_lock+0x35/0x1d0 [ 214.217748] ? check_noncircular+0x20/0x20 [ 214.221959] ? task_will_free_mem+0x252/0xaa0 [ 214.226432] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 214.231606] ? find_held_lock+0x35/0x1d0 [ 214.235661] ? ___ratelimit+0x30d/0x630 [ 214.239614] ? lock_downgrade+0x990/0x990 [ 214.243748] ? do_raw_spin_trylock+0x190/0x190 [ 214.248319] ? mark_held_locks+0xaf/0x100 [ 214.252447] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 214.257531] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 214.262528] ? trace_hardirqs_on+0xd/0x10 [ 214.266660] ? ___ratelimit+0x95/0x630 [ 214.270527] ? idr_get_free_cmn+0xfd0/0xfd0 [ 214.274830] ? find_held_lock+0x35/0x1d0 [ 214.278881] oom_kill_process+0x86d/0x13c0 [ 214.283097] ? lock_downgrade+0x990/0x990 [ 214.287225] ? do_raw_spin_trylock+0x190/0x190 [ 214.291787] ? check_noncircular+0x20/0x20 [ 214.296008] ? oom_evaluate_task+0x480/0x480 [ 214.300412] ? find_lock_task_mm+0x23b/0x460 [ 214.304811] ? find_held_lock+0x35/0x1d0 [ 214.308860] ? check_noncircular+0x20/0x20 [ 214.313078] ? oom_unkillable_task+0x394/0x4c0 [ 214.317641] ? lock_downgrade+0x990/0x990 [ 214.321771] ? lock_release+0xa40/0xa40 [ 214.325723] ? do_try_to_free_pages+0xc53/0x1020 [ 214.330461] ? find_lock_task_mm+0x460/0x460 [ 214.334858] ? find_held_lock+0x35/0x1d0 [ 214.338911] ? out_of_memory+0xaa9/0x11d0 [ 214.343038] ? lock_downgrade+0x990/0x990 [ 214.347170] ? lock_release+0xa40/0xa40 [ 214.351128] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 214.356134] ? oom_evaluate_task+0x284/0x480 [ 214.360529] out_of_memory+0x7dc/0x11d0 [ 214.364499] ? oom_killer_disable+0x310/0x310 [ 214.368972] ? mutex_trylock+0x23a/0x2d0 [ 214.373017] ? __lock_is_held+0xb6/0x140 [ 214.377144] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 214.382591] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 214.387424] ? __radix_tree_insert+0x7b0/0x7b0 [ 214.392016] ? warn_alloc+0x2f0/0x2f0 [ 214.395811] ? find_get_entry+0x513/0x9e0 [ 214.399937] ? lock_downgrade+0x990/0x990 [ 214.404082] ? __lock_is_held+0xb6/0x140 [ 214.408145] ? find_get_entry+0x53c/0x9e0 [ 214.412280] ? check_noncircular+0x20/0x20 [ 214.416503] ? __lock_acquire+0x6aa/0x3d50 [ 214.420714] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 214.425891] ? __radix_tree_lookup+0x435/0x5e0 [ 214.430477] ? __lock_is_held+0xb6/0x140 [ 214.434539] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 214.440405] ? __page_cache_alloc+0x12d/0x500 [ 214.444891] ? __might_sleep+0x95/0x190 [ 214.448854] __alloc_pages_nodemask+0x9fb/0xd80 [ 214.453513] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 214.458512] ? add_to_page_cache_lru+0x510/0x510 [ 214.463259] ? check_noncircular+0x20/0x20 [ 214.467472] ? check_noncircular+0x20/0x20 [ 214.471686] ? __lock_acquire+0x6aa/0x3d50 [ 214.475903] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 214.480673] alloc_pages_current+0xb6/0x1e0 [ 214.484982] __page_cache_alloc+0x334/0x500 [ 214.489283] ? rcu_read_lock_held+0xa9/0xc0 [ 214.493591] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 214.500949] filemap_fault+0xefc/0x1c20 [ 214.504930] ? __lock_page_or_retry+0x4f0/0x4f0 [ 214.509590] ? filemap_map_pages+0x942/0x15d0 [ 214.514085] ? find_get_entries_tag+0xeb0/0xeb0 [ 214.518742] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 214.523921] ? check_noncircular+0x20/0x20 [ 214.528130] ? __lock_acquire+0x6aa/0x3d50 [ 214.532340] ? __lock_acquire+0x6aa/0x3d50 [ 214.536555] ? page_add_new_anon_rmap+0x750/0x750 [ 214.541373] ? finish_task_switch+0x1d3/0x740 [ 214.545851] ? check_noncircular+0x20/0x20 [ 214.550082] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 214.555257] ? lock_acquire+0x1d5/0x580 [ 214.559210] ? lock_acquire+0x1d5/0x580 [ 214.563165] ? ext4_filemap_fault+0x7a/0xad [ 214.567469] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 214.573337] ? lock_release+0xa40/0xa40 [ 214.577294] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 214.583163] ? rcu_note_context_switch+0x710/0x710 [ 214.588071] ? __might_sleep+0x95/0x190 [ 214.592032] ? __might_sleep+0x95/0x190 [ 214.595994] ? down_read+0x96/0x150 [ 214.599598] ? ext4_filemap_fault+0x7a/0xad [ 214.603899] ? __down_interruptible+0x6b0/0x6b0 [ 214.608552] ? mutex_lock_io_nested+0x1880/0x1880 [ 214.614206] ext4_filemap_fault+0x82/0xad [ 214.618340] __do_fault+0xeb/0x30f [ 214.621860] ? find_held_lock+0x35/0x1d0 [ 214.625902] ? pte_offset_kernel+0xc7/0xc7 [ 214.630126] ? lock_downgrade+0x990/0x990 [ 214.634256] ? check_noncircular+0x20/0x20 [ 214.638474] ? find_held_lock+0x35/0x1d0 [ 214.642519] __handle_mm_fault+0x1b9b/0x39c0 [ 214.646919] ? __pmd_alloc+0x4e0/0x4e0 [ 214.650798] ? find_held_lock+0x35/0x1d0 [ 214.654850] ? handle_mm_fault+0x248/0x8d0 [ 214.659064] ? lock_downgrade+0x990/0x990 [ 214.663233] handle_mm_fault+0x334/0x8d0 [ 214.667273] ? down_read_trylock+0xdb/0x170 [ 214.671572] ? __do_page_fault+0x31e/0xd60 [ 214.675790] ? __handle_mm_fault+0x39c0/0x39c0 [ 214.680349] ? vmacache_find+0x5f/0x280 [ 214.684308] ? find_vma+0x30/0x150 [ 214.687833] __do_page_fault+0x5bd/0xd60 [ 214.691888] ? mm_fault_error+0x2c0/0x2c0 [ 214.696017] ? avc_policy_seqno+0x9/0x20 [ 214.700056] ? selinux_file_permission+0x82/0x460 [ 214.704888] do_page_fault+0xee/0x720 [ 214.708674] ? __do_page_fault+0xd60/0xd60 [ 214.712882] ? __fdget_raw+0x20/0x20 [ 214.716579] ? vfs_write+0x224/0x510 [ 214.720275] ? fput+0xd2/0x140 [ 214.723447] ? SyS_write+0x184/0x220 [ 214.727140] ? entry_SYSCALL_64_fastpath+0x4b/0xbe [ 214.732056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 214.736889] page_fault+0x22/0x30 [ 214.740317] RIP: 0033:0x7f4f95992bf0 [ 214.744003] RSP: 002b:00007f4f9465b098 EFLAGS: 00010206 [ 214.749344] RAX: 00007f4f9465c6a8 RBX: 00007f4f9465b0c0 RCX: ffffffffffffffa8 [ 214.757376] RDX: 0000000000000400 RSI: 00007f4f9465b0c0 RDI: 000000000000000b [ 214.764622] RBP: 0000000000000400 R08: 0000000001f1b7b0 R09: 0000000001f1a200 [ 214.771871] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000001f05c40 [ 214.779116] R13: 0000000000000017 R14: 0000000000000017 R15: 00000000000005c0 [ 214.786485] Mem-Info: [ 214.812726] active_anon:1354 inactive_anon:33 isolated_anon:0 [ 214.812726] active_file:17 inactive_file:12 isolated_file:0 [ 214.812726] unevictable:0 dirty:0 writeback:0 unstable:0 [ 214.812726] slab_reclaimable:6025 slab_unreclaimable:83133 [ 214.812726] mapped:2 shmem:39 pagetables:1534 bounce:0 [ 214.812726] free:23639 free_pcp:28 free_cma:0 [ 214.849062] Node 0 active_anon:5416kB inactive_anon:132kB active_file:28kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 214.875762] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 214.901922] lowmem_reserve[]: 0 2886 6400 6400 [ 214.906591] Node 0 DMA32 free:44108kB min:30408kB low:38008kB high:45608kB active_anon:44kB inactive_anon:0kB active_file:16kB inactive_file:396kB unevictable:0kB writepending:0kB present:3129332kB managed:2958448kB mlocked:0kB kernel_stack:3200kB pagetables:1100kB bounce:0kB free_pcp:12kB local_pcp:0kB free_cma:0kB [ 214.934733] lowmem_reserve[]: 0 0 3513 3513 [ 214.939084] Node 0 Normal free:34116kB min:37008kB low:46260kB high:55512kB active_anon:5372kB inactive_anon:132kB active_file:0kB inactive_file:132kB unevictable:0kB writepending:0kB present:4718592kB managed:3597488kB mlocked:0kB kernel_stack:13504kB pagetables:5036kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 214.967556] lowmem_reserve[]: 0 0 0 0 [ 214.971385] 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 [ 214.985587] Node 0 DMA32: 5*4kB (UM) 9*8kB (ME) 13*16kB (UM) 11*32kB (ME) 11*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (UME) 2*1024kB (ME) 4*2048kB (UME) 7*4096kB (M) = 44620kB [ 215.002717] Node 0 Normal: 401*4kB (M) 390*8kB (UM) 275*16kB (UME) 159*32kB (UME) 80*64kB (UM) 55*128kB (M) 22*256kB (UM) 5*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 34564kB [ 215.019397] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 215.028816] 78 total pagecache pages [ 215.033396] 0 pages in swap cache [ 215.037699] Swap cache stats: add 0, delete 0, find 0/0 [ 215.043897] Free swap = 0kB [ 215.047796] Total swap = 0kB [ 215.074339] 1965979 pages RAM [ 215.078380] 0 pages HighMem/MovableOnly [ 215.083274] 323018 pages reserved [ 215.087672] Unreclaimable slab info: [ 215.092312] Name Used Total [ 215.098786] TIPC 1KB 7KB [ 215.105055] SCTPv6 2KB 4KB [ 215.111312] DCCPv6 2KB 7KB [ 215.117562] DCCP 2KB 6KB [ 215.123837] fib6_nodes 0KB 4KB [ 215.129672] ip6_dst_cache 7KB 7KB [ 215.135485] RAWv6 9KB 19KB [ 215.141343] UDPv6 12KB 14KB [ 215.147071] TCPv6 2KB 5KB [ 215.153982] sd_ext_cdb 0KB 3KB [ 215.159416] scsi_sense_cache 208KB 208KB [ 215.165683] virtio_scsi_cmd 16KB 16KB [ 215.171929] sgpool-128 8KB 8KB [ 215.178192] sgpool-64 4KB 6KB [ 215.184453] sgpool-32 598KB 598KB [ 215.190705] sgpool-16 75KB 75KB [ 215.196938] sgpool-8 326KB 326KB [ 215.203216] cfq_io_cq 17KB 23KB [ 215.209348] cfq_queue 27KB 34KB [ 215.215617] mqueue_inode_cache 1KB 7KB [ 215.221974] nfs_commit_data 3KB 7KB [ 215.228253] nfs_write_data 34KB 37KB [ 215.234460] jbd2_inode 1KB 3KB [ 215.240741] ext4_system_zone 0KB 3KB [ 215.246986] bio-1 1KB 3KB [ 215.253270] rpc_buffers 17KB 19KB [ 215.259531] rpc_tasks 2KB 3KB [ 215.265803] UNIX 433KB 435KB [ 215.272047] tcp_bind_bucket 0KB 4KB [ 215.278316] ip_fib_trie 0KB 3KB [ 215.284556] ip_fib_alias 0KB 3KB [ 215.290795] ip_dst_cache 4KB 7KB [ 215.297082] RAW 5KB 7KB [ 215.303363] UDP 30KB 32KB [ 215.309611] TCP 7KB 7KB [ 215.315887] hugetlbfs_inode_cache 1KB 7KB [ 215.322507] eventpoll_pwq 10KB 15KB [ 215.328782] eventpoll_epi 19KB 23KB [ 215.335042] inotify_inode_mark 2KB 7KB [ 215.341407] request_queue 31KB 39KB [ 215.347705] blkdev_ioc 24KB 31KB [ 215.353968] bio-0 500KB 500KB [ 215.360243] biovec-(1<<(21-12)) 462KB 462KB [ 215.366706] biovec-128 408KB 408KB [ 215.372919] biovec-64 228KB 228KB [ 215.379187] biovec-16 33KB 33KB [ 215.385446] khugepaged_mm_slot 0KB 3KB [ 215.391810] uid_cache 0KB 3KB [ 215.398081] dmaengine-unmap-2 0KB 3KB [ 215.404349] skbuff_fclone_cache 245KB 247KB [ 215.410807] skbuff_head_cache 1741KB 1792KB [ 215.416976] configfs_dir_cache 0KB 4KB [ 215.422540] file_lock_cache 147KB 150KB [ 215.428402] file_lock_ctx 1KB 3KB [ 215.433779] fsnotify_mark_connector 1KB 3KB [ 215.439673] shmem_inode_cache 752KB 754KB [ 215.445042] task_delay_info 526KB 533KB [ 215.450414] taskstats 3KB 7KB [ 215.455785] sigqueue 303KB 334KB [ 215.524048] kernfs_node_cache 1701KB 1704KB [ 215.551043] mnt_cache 14KB 20KB [ 215.565428] filp 7471KB 7653KB [ 215.571543] names_cache 103109KB 103139KB [ 215.578990] avc_node 2KB 3KB [ 215.585066] selinux_file_security 373KB 410KB [ 215.591678] selinux_inode_security 1536KB 1544KB [ 215.598375] key_jar 2KB 7KB [ 215.604452] nsproxy 0KB 3KB [ 215.609842] vm_area_struct 17439KB 17603KB [ 215.615199] mm_struct 3364KB 3561KB [ 215.620548] fs_cache 355KB 496KB [ 215.625914] files_cache 1331KB 1533KB [ 215.631286] signal_cache 2136KB 2609KB [ 215.636643] sighand_cache 201KB 270KB [ 215.642007] task_struct 17556KB 17568KB [ 215.647386] cred_jar 2060KB 2420KB [ 215.652735] anon_vma_chain 7201KB 7296KB [ 215.658099] anon_vma 111KB 165KB [ 215.663453] pid 365KB 372KB [ 215.668813] Acpi-Operand 106KB 166KB [ 215.674181] Acpi-Namespace 19KB 23KB [ 215.679537] numa_policy 0KB 3KB [ 215.684890] trace_event_file 139KB 139KB [ 215.690255] ftrace_event_field 245KB 248KB [ 215.695696] pool_workqueue 9KB 12KB [ 215.701062] page->ptl 2881KB 2925KB [ 215.706458] kmalloc-262144 1032KB 1032KB [ 215.712556] kmalloc-131072 650KB 650KB [ 215.717916] kmalloc-65536 264KB 264KB [ 215.723283] kmalloc-32768 462KB 462KB [ 215.728641] kmalloc-16384 132KB 132KB [ 215.733990] kmalloc-8192 4116KB 4116KB [ 215.739360] kmalloc-4096 12286KB 12316KB [ 215.744716] kmalloc-2048 3066KB 3066KB [ 215.750079] kmalloc-1024 4677KB 4677KB [ 215.755449] kmalloc-512 2873KB 3138KB [ 215.760796] kmalloc-256 1226KB 1395KB [ 215.766159] kmalloc-128 308KB 468KB [ 215.771514] kmalloc-96 585KB 588KB [ 215.776865] kmalloc-64 609KB 612KB [ 215.782232] kmalloc-32 993KB 1405KB [ 215.787590] kmalloc-192 180KB 192KB [ 215.792938] kmem_cache 90KB 93KB [ 215.798306] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 215.806894] [ 1516] 0 1516 5316 114 90112 0 -1000 udevd [ 215.815047] [ 1617] 0 1617 5315 115 86016 0 -1000 udevd [ 215.823185] [ 1618] 0 1618 5315 114 86016 0 -1000 udevd [ 215.831328] [ 2876] 0 2876 30629 354 122880 0 0 rsyslogd [ 215.839763] [ 2911] 0 2911 4725 48 81920 0 0 cron [ 215.847835] [ 2937] 0 2937 12490 153 135168 0 -1000 sshd [ 215.855902] [ 2961] 0 2961 3694 41 73728 0 0 getty [ 215.864060] [ 2962] 0 2962 3694 40 77824 0 0 getty [ 215.872200] [ 2963] 0 2963 3694 41 73728 0 0 getty [ 215.880345] [ 2964] 0 2964 3694 40 73728 0 0 getty [ 215.888501] [ 2965] 0 2965 3694 41 73728 0 0 getty [ 215.896656] [ 2966] 0 2966 3694 40 73728 0 0 getty [ 215.904812] [ 2967] 0 2967 3649 39 73728 0 0 getty [ 215.912967] [ 2988] 0 2988 17821 196 188416 0 0 sshd [ 215.921052] [ 2990] 0 2990 300 1 32768 0 0 syzkaller898523 [ 215.930066] [ 2991] 0 2991 422394 0 888832 0 0 syzkaller898523 [ 215.939083] [ 2992] 0 2992 291258 0 622592 0 0 syzkaller898523 [ 215.948089] [ 2993] 0 2993 367071 0 774144 0 0 syzkaller898523 [ 215.957110] [ 2995] 0 2995 371169 0 782336 0 0 syzkaller898523 [ 215.966117] [ 2998] 0 2998 350679 0 741376 0 0 syzkaller898523 [ 215.975134] [ 3001] 0 3001 352728 0 745472 0 0 syzkaller898523 [ 215.984140] [ 3002] 0 3002 403953 0 851968 0 0 syzkaller898523 [ 215.993154] Out of memory: Kill process 2876 (rsyslogd) score 0 or sacrifice child [ 216.000928] Killed process 2876 (rsyslogd) total-vm:122516kB, anon-rss:1416kB, file-rss:0kB, shmem-rss:0kB [ 216.011873] rsyslogd (2879) used greatest stack depth: 12960 bytes left [ 216.012503] oom_reaper: reaped process 2876 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 216.029291] kworker/1:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 216.041346] kworker/1:1 cpuset=/ mems_allowed=0 [ 216.046037] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.14.0-rc5-mm1+ #20 [ 216.053189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.062517] Workqueue: events pcpu_balance_workfn [ 216.067323] Call Trace: [ 216.069880] dump_stack+0x194/0x257 [ 216.073476] ? arch_local_irq_restore+0x53/0x53 [ 216.078109] ? __lock_acquire+0x6aa/0x3d50 [ 216.082315] ? dump_header+0x1d9/0xe0e [ 216.086172] dump_header+0x28e/0xe0e [ 216.089855] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 216.095015] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 216.100177] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 216.105337] ? pagefault_out_of_memory+0x152/0x152 [ 216.110232] ? check_noncircular+0x20/0x20 [ 216.114437] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 216.119605] ? print_irqtrace_events+0x270/0x270 [ 216.124325] ? __lock_acquire+0x6aa/0x3d50 [ 216.128530] ? find_held_lock+0x35/0x1d0 [ 216.132568] ? check_noncircular+0x20/0x20 [ 216.136771] ? task_will_free_mem+0x252/0xaa0 [ 216.141238] ? find_held_lock+0x35/0x1d0 [ 216.145276] ? ___ratelimit+0x30d/0x630 [ 216.149219] ? lock_downgrade+0x990/0x990 [ 216.153336] ? do_raw_spin_trylock+0x190/0x190 [ 216.157887] ? mark_held_locks+0xaf/0x100 [ 216.162007] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 216.167084] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 216.172069] ? trace_hardirqs_on+0xd/0x10 [ 216.176184] ? ___ratelimit+0x95/0x630 [ 216.180040] ? idr_get_free_cmn+0xfd0/0xfd0 [ 216.184328] ? find_held_lock+0x35/0x1d0 [ 216.188362] oom_kill_process+0x86d/0x13c0 [ 216.192567] ? lock_downgrade+0x990/0x990 [ 216.196684] ? do_raw_spin_trylock+0x190/0x190 [ 216.201233] ? check_noncircular+0x20/0x20 [ 216.205453] ? oom_evaluate_task+0x480/0x480 [ 216.209838] ? find_lock_task_mm+0x23b/0x460 [ 216.214217] ? find_held_lock+0x35/0x1d0 [ 216.218246] ? check_noncircular+0x20/0x20 [ 216.222448] ? oom_unkillable_task+0x394/0x4c0 [ 216.226997] ? lock_downgrade+0x990/0x990 [ 216.231119] ? lock_release+0xa40/0xa40 [ 216.235059] ? do_try_to_free_pages+0xc53/0x1020 [ 216.239783] ? find_lock_task_mm+0x460/0x460 [ 216.244163] ? find_held_lock+0x35/0x1d0 [ 216.248197] ? out_of_memory+0xaa9/0x11d0 [ 216.252310] ? lock_downgrade+0x990/0x990 [ 216.256426] ? lock_release+0xa40/0xa40 [ 216.260363] ? lock_acquire+0x1d5/0x580 [ 216.264302] ? blocking_notifier_call_chain+0x112/0x190 [ 216.269647] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 216.274638] ? oom_evaluate_task+0x284/0x480 [ 216.279028] out_of_memory+0x7dc/0x11d0 [ 216.282981] ? oom_killer_disable+0x310/0x310 [ 216.287440] ? mutex_trylock+0x23a/0x2d0 [ 216.291471] ? __lock_is_held+0xb6/0x140 [ 216.295498] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 216.300926] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 216.305761] ? warn_alloc+0x2f0/0x2f0 [ 216.309538] ? __lock_acquire+0x6aa/0x3d50 [ 216.313736] ? lock_downgrade+0x990/0x990 [ 216.317854] ? lock_release+0xa40/0xa40 [ 216.321804] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 216.326963] ? lock_acquire+0x1d5/0x580 [ 216.330901] ? lock_acquire+0x1d5/0x580 [ 216.334843] ? pcpu_balance_workfn+0x134/0x1520 [ 216.339477] ? check_noncircular+0x20/0x20 [ 216.343681] ? select_task_rq_fair+0x3470/0x3470 [ 216.348408] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 216.354255] ? account_entity_dequeue+0x22e/0x590 [ 216.359070] ? rcu_note_context_switch+0x710/0x710 [ 216.363972] ? __might_sleep+0x95/0x190 [ 216.367923] ? __lock_is_held+0xb6/0x140 [ 216.371965] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 216.377826] ? __might_sleep+0x95/0x190 [ 216.381773] __alloc_pages_nodemask+0x9fb/0xd80 [ 216.386416] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 216.391400] ? do_raw_spin_trylock+0x190/0x190 [ 216.395959] ? find_held_lock+0x35/0x1d0 [ 216.399996] ? __lock_is_held+0xb6/0x140 [ 216.404041] ? find_next_bit+0x27/0x30 [ 216.407902] pcpu_populate_chunk+0x1b3/0x880 [ 216.412295] pcpu_balance_workfn+0xf3e/0x1520 [ 216.416758] ? check_noncircular+0x20/0x20 [ 216.420964] ? check_noncircular+0x20/0x20 [ 216.425170] ? check_noncircular+0x20/0x20 [ 216.429380] ? pcpu_create_chunk+0x900/0x900 [ 216.433754] ? __lock_acquire+0x6aa/0x3d50 [ 216.437954] ? find_held_lock+0x35/0x1d0 [ 216.441988] ? check_noncircular+0x20/0x20 [ 216.446199] ? lock_acquire+0x1d5/0x580 [ 216.450145] ? lock_acquire+0x1d5/0x580 [ 216.454086] ? process_one_work+0xb32/0x1bc0 [ 216.458471] ? __lock_is_held+0xb6/0x140 [ 216.462510] process_one_work+0xbf0/0x1bc0 [ 216.466713] ? _raw_spin_unlock_irq+0x27/0x70 [ 216.471188] ? pwq_dec_nr_in_flight+0x450/0x450 [ 216.475826] ? preempt_notifier_dec+0x20/0x20 [ 216.480301] ? __schedule+0x8f3/0x2060 [ 216.484167] ? check_noncircular+0x20/0x20 [ 216.488370] ? __lock_is_held+0xb6/0x140 [ 216.492410] ? wake_q_add+0x90/0x90 [ 216.496021] ? lock_acquire+0x1d5/0x580 [ 216.499963] ? lock_acquire+0x1d5/0x580 [ 216.503904] ? worker_thread+0x4a3/0x1990 [ 216.508028] ? lock_downgrade+0x990/0x990 [ 216.512149] ? lock_release+0xa40/0xa40 [ 216.516089] ? do_raw_spin_trylock+0x190/0x190 [ 216.520639] ? worker_pool_assign_id+0x1b0/0x1b0 [ 216.525376] worker_thread+0x223/0x1990 [ 216.529334] ? process_one_work+0x1bc0/0x1bc0 [ 216.533801] ? _raw_spin_unlock_irq+0x27/0x70 [ 216.538263] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 216.543249] ? trace_hardirqs_on+0xd/0x10 [ 216.547363] ? mmdrop+0x18/0x30 [ 216.550609] ? finish_task_switch+0x1f6/0x740 [ 216.555076] ? preempt_notifier_dec+0x20/0x20 [ 216.559550] ? __schedule+0x8f3/0x2060 [ 216.563423] ? find_held_lock+0x35/0x1d0 [ 216.567458] ? find_held_lock+0x35/0x1d0 [ 216.571493] ? complete+0x62/0x80 [ 216.574943] ? __schedule+0x2060/0x2060 [ 216.578882] ? do_wait_intr+0x3d0/0x3e0 [ 216.582825] ? __lockdep_init_map+0xe4/0x650 [ 216.587208] ? lockdep_init_map+0x9/0x10 [ 216.591236] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 216.596305] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 216.601290] ? trace_hardirqs_on+0xd/0x10 [ 216.605405] ? __kthread_parkme+0x175/0x240 [ 216.609698] kthread+0x38b/0x470 [ 216.613035] ? process_one_work+0x1bc0/0x1bc0 [ 216.618216] ? kthread_create_on_node+0x100/0x100 [ 216.623033] ret_from_fork+0x2a/0x40 [ 216.626761] Mem-Info: [ 216.629164] active_anon:1004 inactive_anon:33 isolated_anon:0 [ 216.629164] active_file:17 inactive_file:17 isolated_file:0 [ 216.629164] unevictable:0 dirty:0 writeback:0 unstable:0 [ 216.629164] slab_reclaimable:6029 slab_unreclaimable:83132 [ 216.629164] mapped:2 shmem:39 pagetables:1534 bounce:0 [ 216.629164] free:23926 free_pcp:30 free_cma:0 [ 216.661283] Node 0 active_anon:4016kB inactive_anon:132kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 216.687635] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 216.713736] lowmem_reserve[]: 0 2886 6400 6400 [ 216.718313] Node 0 DMA32 free:43808kB min:30408kB low:38008kB high:45608kB active_anon:44kB inactive_anon:0kB active_file:8kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2958448kB mlocked:0kB kernel_stack:3200kB pagetables:1100kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 216.746070] lowmem_reserve[]: 0 0 3513 3513 [ 216.750471] Node 0 Normal free:36060kB min:37008kB low:46260kB high:55512kB active_anon:3968kB inactive_anon:132kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3597488kB mlocked:0kB kernel_stack:13376kB pagetables:4940kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 216.779271] lowmem_reserve[]: 0 0 0 0 [ 216.783067] 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 [ 216.796641] Node 0 DMA32: 3*4kB (UM) 4*8kB (UME) 6*16kB (UM) 6*32kB (UME) 6*64kB (UME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43852kB [ 216.812833] Node 0 Normal: 433*4kB (UME) 321*8kB (UME) 227*16kB (UME) 136*32kB (UME) 70*64kB (ME) 51*128kB (M) 24*256kB (ME) 7*512kB (ME) 1*1024kB (M) 1*2048kB (M) 0*4096kB = 36092kB [ 216.829282] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 216.837848] 72 total pagecache pages [ 216.841549] 0 pages in swap cache [ 216.844981] Swap cache stats: add 0, delete 0, find 0/0 [ 216.850323] Free swap = 0kB [ 216.853321] Total swap = 0kB [ 216.856320] 1965979 pages RAM [ 216.859412] 0 pages HighMem/MovableOnly [ 216.863374] 323018 pages reserved [ 216.866811] Unreclaimable slab info: [ 216.870510] Name Used Total [ 216.876035] TIPC 1KB 7KB [ 216.881383] SCTPv6 2KB 4KB [ 216.886733] DCCPv6 2KB 7KB [ 216.892081] DCCP 2KB 6KB [ 216.897464] fib6_nodes 0KB 4KB [ 216.902820] ip6_dst_cache 7KB 7KB [ 216.908174] RAWv6 9KB 19KB [ 216.913522] UDPv6 12KB 14KB [ 216.918870] TCPv6 2KB 5KB [ 216.924226] sd_ext_cdb 0KB 3KB [ 216.929574] scsi_sense_cache 208KB 208KB [ 216.934924] virtio_scsi_cmd 16KB 16KB [ 216.940286] sgpool-128 8KB 8KB [ 216.945631] sgpool-64 4KB 6KB [ 216.950977] sgpool-32 598KB 598KB [ 216.956325] sgpool-16 75KB 75KB [ 216.961672] sgpool-8 330KB 330KB [ 216.967035] cfq_io_cq 17KB 23KB [ 216.972378] cfq_queue 27KB 34KB [ 216.977725] mqueue_inode_cache 1KB 7KB [ 216.983160] nfs_commit_data 3KB 7KB [ 216.988505] nfs_write_data 34KB 37KB [ 216.993853] jbd2_inode 1KB 3KB [ 216.999199] ext4_system_zone 0KB 3KB [ 217.004551] bio-1 1KB 3KB [ 217.009905] rpc_buffers 17KB 19KB [ 217.015251] rpc_tasks 2KB 3KB [ 217.020601] UNIX 433KB 435KB [ 217.025951] tcp_bind_bucket 0KB 4KB [ 217.031301] ip_fib_trie 0KB 3KB [ 217.036651] ip_fib_alias 0KB 3KB [ 217.041995] ip_dst_cache 4KB 7KB [ 217.047341] RAW 5KB 7KB [ 217.052686] UDP 30KB 32KB [ 217.058033] TCP 7KB 7KB [ 217.063392] hugetlbfs_inode_cache 1KB 7KB [ 217.069088] eventpoll_pwq 10KB 15KB [ 217.074434] eventpoll_epi 19KB 23KB [ 217.079780] inotify_inode_mark 2KB 7KB [ 217.085213] request_queue 31KB 39KB [ 217.090559] blkdev_ioc 24KB 31KB [ 217.095905] bio-0 500KB 500KB [ 217.101251] biovec-(1<<(21-12)) 462KB 462KB [ 217.106773] biovec-128 408KB 408KB [ 217.112119] biovec-64 228KB 228KB [ 217.117465] biovec-16 33KB 33KB [ 217.122811] khugepaged_mm_slot 0KB 3KB [ 217.128245] uid_cache 0KB 3KB [ 217.133593] dmaengine-unmap-2 0KB 3KB [ 217.138940] skbuff_fclone_cache 245KB 247KB [ 217.144460] skbuff_head_cache 1741KB 1792KB [ 217.149806] configfs_dir_cache 0KB 4KB [ 217.155239] file_lock_cache 147KB 150KB [ 217.160587] file_lock_ctx 1KB 3KB [ 217.165939] fsnotify_mark_connector 1KB 3KB [ 217.171807] shmem_inode_cache 752KB 754KB [ 217.177151] task_delay_info 526KB 533KB [ 217.182494] taskstats 7KB 7KB [ 217.187839] sigqueue 303KB 334KB [ 217.193184] kernfs_node_cache 1701KB 1704KB [ 217.198530] mnt_cache 14KB 20KB [ 217.203876] filp 7471KB 7653KB [ 217.209221] names_cache 103109KB 103139KB [ 217.214570] avc_node 2KB 3KB [ 217.219915] selinux_file_security 373KB 410KB [ 217.225608] selinux_inode_security 1536KB 1544KB [ 217.231390] key_jar 2KB 7KB [ 217.236736] nsproxy 0KB 3KB [ 217.242082] vm_area_struct 17439KB 17603KB [ 217.247429] mm_struct 3364KB 3561KB [ 217.252772] fs_cache 355KB 496KB [ 217.258118] files_cache 1331KB 1533KB [ 217.263481] signal_cache 2136KB 2609KB [ 217.268836] sighand_cache 201KB 270KB [ 217.274183] task_struct 17556KB 17568KB [ 217.279530] cred_jar 2060KB 2420KB [ 217.284877] anon_vma_chain 7201KB 7296KB [ 217.290223] anon_vma 111KB 165KB [ 217.295574] pid 365KB 372KB [ 217.300920] Acpi-Operand 106KB 166KB [ 217.306272] Acpi-Namespace 19KB 23KB [ 217.311617] numa_policy 0KB 3KB [ 217.316962] trace_event_file 139KB 139KB [ 217.322307] ftrace_event_field 245KB 248KB [ 217.327739] pool_workqueue 9KB 12KB [ 217.333084] page->ptl 2881KB 2925KB [ 217.338446] kmalloc-262144 1032KB 1032KB [ 217.343792] kmalloc-131072 650KB 650KB [ 217.349136] kmalloc-65536 264KB 264KB [ 217.354482] kmalloc-32768 462KB 462KB [ 217.359828] kmalloc-16384 132KB 132KB [ 217.365173] kmalloc-8192 4116KB 4116KB [ 217.370519] kmalloc-4096 12286KB 12316KB [ 217.375867] kmalloc-2048 3066KB 3066KB [ 217.381210] kmalloc-1024 4677KB 4677KB [ 217.386554] kmalloc-512 2873KB 3138KB [ 217.391899] kmalloc-256 1226KB 1395KB [ 217.397247] kmalloc-128 308KB 468KB [ 217.402592] kmalloc-96 585KB 588KB [ 217.407937] kmalloc-64 609KB 612KB [ 217.413280] kmalloc-32 993KB 1405KB [ 217.418627] kmalloc-192 180KB 192KB [ 217.423977] kmem_cache 90KB 93KB [ 217.429321] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 217.437896] [ 1516] 0 1516 5316 114 90112 0 -1000 udevd [ 217.446025] [ 1617] 0 1617 5315 115 86016 0 -1000 udevd [ 217.454150] [ 1618] 0 1618 5315 114 86016 0 -1000 udevd [ 217.462279] [ 2911] 0 2911 4725 48 81920 0 0 cron [ 217.470320] [ 2937] 0 2937 12490 153 135168 0 -1000 sshd [ 217.478366] [ 2961] 0 2961 3694 41 73728 0 0 getty [ 217.486491] [ 2962] 0 2962 3694 40 77824 0 0 getty [ 217.494618] [ 2963] 0 2963 3694 41 73728 0 0 getty [ 217.502745] [ 2964] 0 2964 3694 40 73728 0 0 getty [ 217.510874] [ 2965] 0 2965 3694 41 73728 0 0 getty [ 217.519002] [ 2966] 0 2966 3694 40 73728 0 0 getty [ 217.527142] [ 2967] 0 2967 3649 39 73728 0 0 getty [ 217.535272] [ 2988] 0 2988 17821 196 188416 0 0 sshd [ 217.543309] [ 2990] 0 2990 300 1 32768 0 0 syzkaller898523 [ 217.552306] [ 2991] 0 2991 422394 0 888832 0 0 syzkaller898523 [ 217.561307] [ 2992] 0 2992 291258 0 622592 0 0 syzkaller898523 [ 217.570300] [ 2993] 0 2993 367071 0 774144 0 0 syzkaller898523 [ 217.579294] [ 2995] 0 2995 371169 0 782336 0 0 syzkaller898523 [ 217.588288] [ 2998] 0 2998 350679 0 741376 0 0 syzkaller898523 [ 217.597281] [ 3001] 0 3001 352728 0 745472 0 0 syzkaller898523 [ 217.606276] [ 3002] 0 3002 403953 0 851968 0 0 syzkaller898523 [ 217.615281] Out of memory: Kill process 2988 (sshd) score 0 or sacrifice child [ 217.622877] Killed process 2990 (syzkaller898523) total-vm:1200kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 217.635977] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 217.647158] init cpuset=/ mems_allowed=0 [ 217.651246] CPU: 0 PID: 1 Comm: init Not tainted 4.14.0-rc5-mm1+ #20 [ 217.657712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 217.667035] Call Trace: [ 217.669605] dump_stack+0x194/0x257 [ 217.673224] ? arch_local_irq_restore+0x53/0x53 [ 217.677876] ? dump_header+0x1d9/0xe0e [ 217.681748] dump_header+0x28e/0xe0e [ 217.685444] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 217.690616] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 217.695786] ? pagefault_out_of_memory+0x152/0x152 [ 217.700689] ? check_noncircular+0x20/0x20 [ 217.704901] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 217.710090] ? print_irqtrace_events+0x270/0x270 [ 217.714819] ? __lock_acquire+0x6aa/0x3d50 [ 217.719040] ? find_held_lock+0x35/0x1d0 [ 217.723095] ? check_noncircular+0x20/0x20 [ 217.727308] ? task_will_free_mem+0x252/0xaa0 [ 217.731776] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 217.736939] ? find_held_lock+0x35/0x1d0 [ 217.740976] ? ___ratelimit+0x30d/0x630 [ 217.744918] ? lock_downgrade+0x990/0x990 [ 217.749050] ? do_raw_spin_trylock+0x190/0x190 [ 217.753624] ? mark_held_locks+0xaf/0x100 [ 217.757759] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 217.762833] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 217.767818] ? trace_hardirqs_on+0xd/0x10 [ 217.771937] ? ___ratelimit+0x95/0x630 [ 217.775793] ? idr_get_free_cmn+0xfd0/0xfd0 [ 217.780094] ? find_held_lock+0x35/0x1d0 [ 217.784149] oom_kill_process+0x86d/0x13c0 [ 217.788367] ? lock_downgrade+0x990/0x990 [ 217.792502] ? do_raw_spin_trylock+0x190/0x190 [ 217.797071] ? check_noncircular+0x20/0x20 [ 217.801294] ? oom_evaluate_task+0x480/0x480 [ 217.805703] ? find_lock_task_mm+0x23b/0x460 [ 217.810101] ? find_held_lock+0x35/0x1d0 [ 217.814150] ? check_noncircular+0x20/0x20 [ 217.818371] ? oom_unkillable_task+0x394/0x4c0 [ 217.822931] ? lock_downgrade+0x990/0x990 [ 217.827061] ? lock_release+0xa40/0xa40 [ 217.831015] ? do_try_to_free_pages+0xc53/0x1020 [ 217.835760] ? find_lock_task_mm+0x460/0x460 [ 217.840153] ? find_held_lock+0x35/0x1d0 [ 217.844211] ? out_of_memory+0xaa9/0x11d0 [ 217.848343] ? lock_downgrade+0x990/0x990 [ 217.852476] ? lock_release+0xa40/0xa40 [ 217.856436] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 217.861446] ? oom_evaluate_task+0x284/0x480 [ 217.865834] out_of_memory+0x7dc/0x11d0 [ 217.869786] ? oom_killer_disable+0x310/0x310 [ 217.874252] ? mutex_trylock+0x23a/0x2d0 [ 217.878299] ? __lock_is_held+0xb6/0x140 [ 217.882344] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 217.887780] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 217.892610] ? __radix_tree_insert+0x7b0/0x7b0 [ 217.897206] ? warn_alloc+0x2f0/0x2f0 [ 217.900985] ? find_get_entry+0x513/0x9e0 [ 217.905110] ? lock_downgrade+0x990/0x990 [ 217.909256] ? radix_tree_lookup_slot+0x99/0xe0 [ 217.913904] ? __lock_acquire+0x6aa/0x3d50 [ 217.918128] ? find_get_entry+0x53c/0x9e0 [ 217.922263] ? check_noncircular+0x20/0x20 [ 217.926490] ? __lock_acquire+0x6aa/0x3d50 [ 217.930715] ? __radix_tree_lookup+0x435/0x5e0 [ 217.935308] ? __lock_is_held+0xb6/0x140 [ 217.939376] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 217.945240] ? __page_cache_alloc+0x12d/0x500 [ 217.949733] ? __might_sleep+0x95/0x190 [ 217.953695] __alloc_pages_nodemask+0x9fb/0xd80 [ 217.958354] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 217.963352] ? add_to_page_cache_lru+0x510/0x510 [ 217.968111] ? check_noncircular+0x20/0x20 [ 217.972329] ? check_noncircular+0x20/0x20 [ 217.976550] ? __lock_acquire+0x6aa/0x3d50 [ 217.980761] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 217.985526] alloc_pages_current+0xb6/0x1e0 [ 217.989827] __page_cache_alloc+0x334/0x500 [ 217.994123] ? rcu_read_lock_held+0xa9/0xc0 [ 217.998430] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 218.005779] filemap_fault+0xefc/0x1c20 [ 218.009752] ? __lock_page_or_retry+0x4f0/0x4f0 [ 218.014412] ? filemap_map_pages+0x942/0x15d0 [ 218.018898] ? find_get_entries_tag+0xeb0/0xeb0 [ 218.023550] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 218.028728] ? check_noncircular+0x20/0x20 [ 218.032932] ? __lock_acquire+0x6aa/0x3d50 [ 218.037142] ? __lock_acquire+0x6aa/0x3d50 [ 218.041387] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 218.046566] ? lock_acquire+0x1d5/0x580 [ 218.050523] ? lock_acquire+0x1d5/0x580 [ 218.054480] ? ext4_filemap_fault+0x7a/0xad [ 218.058779] ? __sigqueue_free.part.16+0x51/0x60 [ 218.063517] ? lock_release+0xa40/0xa40 [ 218.067470] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 218.073335] ? rcu_read_lock_sched_held+0x108/0x120 [ 218.078335] ? rcu_note_context_switch+0x710/0x710 [ 218.083259] ? __might_sleep+0x95/0x190 [ 218.087221] ? down_read+0x96/0x150 [ 218.090822] ? ext4_filemap_fault+0x7a/0xad [ 218.095122] ? __down_interruptible+0x6b0/0x6b0 [ 218.099767] ? rcu_pm_notify+0xc0/0xc0 [ 218.103643] ext4_filemap_fault+0x82/0xad [ 218.107776] __do_fault+0xeb/0x30f [ 218.111298] ? pte_offset_kernel+0xc7/0xc7 [ 218.115522] ? lock_downgrade+0x990/0x990 [ 218.119657] ? check_noncircular+0x20/0x20 [ 218.123873] __handle_mm_fault+0x1b9b/0x39c0 [ 218.128267] ? __pmd_alloc+0x4e0/0x4e0 [ 218.132134] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 218.137141] ? find_held_lock+0x35/0x1d0 [ 218.141196] ? handle_mm_fault+0x248/0x8d0 [ 218.145411] ? lock_downgrade+0x990/0x990 [ 218.149590] handle_mm_fault+0x334/0x8d0 [ 218.153632] ? down_read_trylock+0xdb/0x170 [ 218.157930] ? __do_page_fault+0x31e/0xd60 [ 218.162144] ? __handle_mm_fault+0x39c0/0x39c0 [ 218.166704] ? vmacache_find+0x5f/0x280 [ 218.170671] ? find_vma+0x30/0x150 [ 218.174197] __do_page_fault+0x5bd/0xd60 [ 218.178253] ? mm_fault_error+0x2c0/0x2c0 [ 218.182389] ? trace_hardirqs_off+0xd/0x10 [ 218.186615] do_page_fault+0xee/0x720 [ 218.190405] ? __do_page_fault+0xd60/0xd60 [ 218.194634] ? syscall_return_slowpath+0x2b3/0x510 [ 218.199549] ? prepare_exit_to_usermode+0x2d0/0x2d0 [ 218.204549] ? return_from_SYSCALL_64+0x2d/0x7a [ 218.209211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.214047] page_fault+0x22/0x30 [ 218.217479] RIP: 0033:0x402a80 [ 218.220648] RSP: 002b:00007ffecf218838 EFLAGS: 00010246 [ 218.225986] RAX: 0000000000000000 RBX: 00007ffecf218fa0 RCX: 00007f9f5e94edd3 [ 218.233229] RDX: 00007ffecf218840 RSI: 00007ffecf218970 RDI: 0000000000000011 [ 218.240477] RBP: 00007ffecf219150 R08: 00007ffecf2191d0 R09: 0000000000000001 [ 218.247729] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 218.254973] R13: 00007ffecf219530 R14: 0000000000000000 R15: 0000000000000000 [ 218.262321] Mem-Info: [ 218.265641] active_anon:978 inactive_anon:33 isolated_anon:0 [ 218.265641] active_file:28 inactive_file:6 isolated_file:0 [ 218.265641] unevictable:0 dirty:0 writeback:0 unstable:0 [ 218.265641] slab_reclaimable:6029 slab_unreclaimable:83132 [ 218.265641] mapped:2 shmem:39 pagetables:1506 bounce:0 [ 218.265641] free:24001 free_pcp:30 free_cma:0 [ 218.297618] Node 0 active_anon:3912kB inactive_anon:132kB active_file:112kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 218.324165] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 218.350307] lowmem_reserve[]: 0 2886 6400 6400 [ 218.354904] Node 0 DMA32 free:43852kB min:30408kB low:38008kB high:45608kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:20kB unevictable:0kB writepending:0kB present:3129332kB managed:2958448kB mlocked:0kB kernel_stack:3200kB pagetables:1100kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 218.382668] lowmem_reserve[]: 0 0 3513 3513 [ 218.387027] Node 0 Normal free:36244kB min:37008kB low:46260kB high:55512kB active_anon:3912kB inactive_anon:132kB active_file:120kB inactive_file:4kB unevictable:0kB writepending:0kB present:4718592kB managed:3597488kB mlocked:0kB kernel_stack:13344kB pagetables:4924kB bounce:0kB free_pcp:120kB local_pcp:108kB free_cma:0kB [ 218.416558] lowmem_reserve[]: 0 0 0 0 [ 218.420395] 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 [ 218.434036] Node 0 DMA32: 3*4kB (UM) 4*8kB (UME) 6*16kB (UM) 6*32kB (UME) 6*64kB (UME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43852kB [ 218.450304] Node 0 Normal: 449*4kB (UME) 326*8kB (UME) 225*16kB (UME) 135*32kB (UME) 68*64kB (ME) 49*128kB (M) 24*256kB (ME) 6*512kB (ME) 2*1024kB (M) 1*2048kB (M) 0*4096kB = 36260kB [ 218.466816] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 218.475387] 73 total pagecache pages [ 218.479110] 0 pages in swap cache [ 218.482566] Swap cache stats: add 0, delete 0, find 0/0 [ 218.487920] Free swap = 0kB [ 218.490918] Total swap = 0kB [ 218.493916] 1965979 pages RAM [ 218.497025] 0 pages HighMem/MovableOnly [ 218.500987] 323018 pages reserved [ 218.504436] Unreclaimable slab info: [ 218.508152] Name Used Total [ 218.513696] TIPC 1KB 7KB [ 218.519075] SCTPv6 2KB 4KB [ 218.524447] DCCPv6 2KB 7KB [ 218.529805] DCCP 2KB 6KB [ 218.535184] fib6_nodes 0KB 4KB [ 218.540555] ip6_dst_cache 7KB 7KB [ 218.546687] RAWv6 9KB 19KB [ 218.552066] UDPv6 12KB 14KB [ 218.557434] TCPv6 2KB 5KB [ 218.562809] sd_ext_cdb 0KB 3KB [ 218.568173] scsi_sense_cache 208KB 208KB [ 218.573553] virtio_scsi_cmd 16KB 16KB [ 218.578910] sgpool-128 8KB 8KB [ 218.584270] sgpool-64 4KB 6KB [ 218.589636] sgpool-32 597KB 598KB [ 218.594989] sgpool-16 74KB 75KB [ 218.600356] sgpool-8 330KB 330KB [ 218.605738] cfq_io_cq 16KB 23KB [ 218.611109] cfq_queue 27KB 34KB [ 218.616489] mqueue_inode_cache 1KB 7KB [ 218.621930] nfs_commit_data 3KB 7KB [ 218.627290] nfs_write_data 34KB 37KB [ 218.632663] jbd2_inode 1KB 3KB [ 218.638027] ext4_system_zone 0KB 3KB [ 218.643406] bio-1 1KB 3KB [ 218.648776] rpc_buffers 17KB 19KB [ 218.654136] rpc_tasks 2KB 3KB [ 218.659507] UNIX 433KB 435KB [ 218.664863] tcp_bind_bucket 0KB 4KB [ 218.670232] ip_fib_trie 0KB 3KB [ 218.675608] ip_fib_alias 0KB 3KB [ 218.681775] ip_dst_cache 4KB 7KB [ 218.687148] RAW 5KB 7KB [ 218.692517] UDP 30KB 32KB [ 218.697872] TCP 7KB 7KB [ 218.703231] hugetlbfs_inode_cache 1KB 7KB [ 218.708932] eventpoll_pwq 10KB 15KB [ 218.714293] eventpoll_epi 19KB 23KB [ 218.719660] inotify_inode_mark 2KB 7KB [ 218.725118] request_queue 31KB 39KB [ 218.730491] blkdev_ioc 23KB 31KB [ 218.735846] bio-0 500KB 500KB [ 218.741207] biovec-(1<<(21-12)) 462KB 462KB [ 218.746740] biovec-128 405KB 408KB [ 218.752103] biovec-64 226KB 228KB [ 218.758253] biovec-16 30KB 33KB [ 218.763620] khugepaged_mm_slot 0KB 3KB [ 218.769084] uid_cache 0KB 3KB [ 218.774455] dmaengine-unmap-2 0KB 3KB [ 218.779812] skbuff_fclone_cache 245KB 247KB [ 218.785349] skbuff_head_cache 1737KB 1788KB [ 218.790720] configfs_dir_cache 0KB 4KB [ 218.796175] file_lock_cache 147KB 150KB [ 218.801544] file_lock_ctx 1KB 3KB [ 218.806907] fsnotify_mark_connector 1KB 3KB [ 218.813433] shmem_inode_cache 752KB 754KB [ 218.818790] task_delay_info 525KB 533KB [ 218.824151] taskstats 7KB 7KB [ 218.829519] sigqueue 303KB 334KB [ 218.834872] kernfs_node_cache 1701KB 1704KB [ 218.840235] mnt_cache 14KB 20KB [ 218.845602] filp 7464KB 7650KB [ 218.850954] names_cache 103100KB 103139KB [ 218.856321] avc_node 2KB 3KB [ 218.861694] selinux_file_security 371KB 410KB [ 218.867408] selinux_inode_security 1536KB 1544KB [ 218.873213] key_jar 2KB 7KB [ 218.878582] nsproxy 0KB 3KB [ 218.883937] vm_area_struct 17436KB 17599KB [ 218.889296] mm_struct 3363KB 3561KB [ 218.894664] fs_cache 355KB 496KB [ 218.900032] files_cache 1331KB 1533KB [ 218.905401] signal_cache 2134KB 2609KB [ 218.910760] sighand_cache 201KB 270KB [ 218.916124] task_struct 17556KB 17568KB [ 218.921496] cred_jar 2059KB 2416KB [ 218.926850] anon_vma_chain 7198KB 7296KB [ 218.932210] anon_vma 105KB 165KB [ 218.937584] pid 365KB 372KB [ 218.942938] Acpi-Operand 106KB 166KB [ 218.948981] Acpi-Namespace 19KB 23KB [ 218.954350] numa_policy 0KB 3KB [ 218.959720] trace_event_file 139KB 139KB [ 218.965088] ftrace_event_field 245KB 248KB [ 218.970541] pool_workqueue 9KB 12KB [ 218.975898] page->ptl 2879KB 2925KB [ 218.981285] kmalloc-262144 1032KB 1032KB [ 218.986654] kmalloc-131072 650KB 650KB [ 218.992034] kmalloc-65536 264KB 264KB [ 218.997401] kmalloc-32768 462KB 462KB [ 219.002760] kmalloc-16384 132KB 132KB [ 219.008124] kmalloc-8192 4116KB 4116KB [ 219.013491] kmalloc-4096 12269KB 12308KB [ 219.018845] kmalloc-2048 3066KB 3066KB [ 219.024203] kmalloc-1024 4677KB 4677KB [ 219.029572] kmalloc-512 2865KB 3138KB [ 219.034925] kmalloc-256 1219KB 1380KB [ 219.040286] kmalloc-128 308KB 468KB [ 219.045655] kmalloc-96 584KB 588KB [ 219.051031] kmalloc-64 606KB 612KB [ 219.056404] kmalloc-32 992KB 1405KB [ 219.061768] kmalloc-192 179KB 192KB [ 219.067137] kmem_cache 90KB 93KB [ 219.072503] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 219.081911] [ 1516] 0 1516 5316 114 90112 0 -1000 udevd [ 219.090064] [ 1617] 0 1617 5315 115 86016 0 -1000 udevd [ 219.098218] [ 1618] 0 1618 5315 114 86016 0 -1000 udevd [ 219.106377] [ 2911] 0 2911 4725 48 81920 0 0 cron [ 219.114447] [ 2937] 0 2937 12490 153 135168 0 -1000 sshd [ 219.122519] [ 2961] 0 2961 3694 41 73728 0 0 getty [ 219.130680] [ 2962] 0 2962 3694 40 77824 0 0 getty [ 219.138817] [ 2963] 0 2963 3694 41 73728 0 0 getty [ 219.146944] [ 2964] 0 2964 3694 40 73728 0 0 getty [ 219.155089] [ 2965] 0 2965 3694 41 73728 0 0 getty [ 219.163241] [ 2966] 0 2966 3694 40 73728 0 0 getty [ 219.171391] [ 2967] 0 2967 3649 39 73728 0 0 getty [ 219.179543] [ 2988] 0 2988 17821 196 188416 0 0 sshd [ 219.187613] [ 2991] 0 2991 422394 0 888832 0 0 syzkaller898523 [ 219.196640] [ 2992] 0 2992 291258 0 622592 0 0 syzkaller898523 [ 219.205661] [ 2993] 0 2993 367071 0 774144 0 0 syzkaller898523 [ 219.214705] [ 2995] 0 2995 371169 0 782336 0 0 syzkaller898523 [ 219.223732] [ 2998] 0 2998 350679 0 741376 0 0 syzkaller898523 [ 219.232748] [ 3001] 0 3001 352728 0 745472 0 0 syzkaller898523 Connection to ci-upstream-mmots-kasan-gce-1 closed by remote host. [ 219.241759] [ 3