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-next-kasan-gce-6,10.128.0.61' (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 syzkaller login: [ 150.412924] syzkaller208847 (3049) used greatest stack depth: 14192 bytes left executing program [ 189.946141] kworker/0:2 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 189.958392] kworker/0:2 cpuset=/ mems_allowed=0 [ 189.963359] CPU: 0 PID: 4247 Comm: kworker/0:2 Not tainted 4.14.0-rc8-next-20171109+ #39 [ 189.971566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.980914] Workqueue: events pcpu_balance_workfn [ 189.985729] Call Trace: [ 189.988289] dump_stack+0x194/0x257 [ 189.991894] ? arch_local_irq_restore+0x53/0x53 [ 189.996540] ? dump_header+0x1d9/0xe0e [ 190.000402] dump_header+0x28e/0xe0e [ 190.004098] ? pagefault_out_of_memory+0x152/0x152 [ 190.009004] ? __lock_acquire+0x6e2/0x4840 [ 190.013219] ? __lock_acquire+0x6e2/0x4840 [ 190.017435] ? __lock_acquire+0x6e2/0x4840 [ 190.021655] ? check_noncircular+0x20/0x20 [ 190.025877] ? __lock_acquire+0x6e2/0x4840 [ 190.030093] ? check_noncircular+0x20/0x20 [ 190.034296] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 190.039459] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 190.044635] ? find_held_lock+0x39/0x1d0 [ 190.048673] ? print_usage_bug+0x3f0/0x3f0 [ 190.052883] ? lock_downgrade+0x990/0x990 [ 190.057008] ? lock_acquire+0x1d5/0x580 [ 190.060959] ? ___ratelimit+0x152/0x630 [ 190.064918] ? lock_release+0xd90/0xd90 [ 190.068867] ? mark_held_locks+0xb2/0x100 [ 190.072987] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 190.078167] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 190.083161] ? trace_hardirqs_on+0xd/0x10 [ 190.087299] ? ___ratelimit+0x95/0x630 [ 190.091172] ? idr_get_free_cmn+0xfd0/0xfd0 [ 190.095501] oom_kill_process+0x86d/0x13c0 [ 190.099724] ? lock_release+0xd90/0xd90 [ 190.103678] ? lock_release+0xd90/0xd90 [ 190.107633] ? lock_release+0xd90/0xd90 [ 190.111600] ? oom_evaluate_task+0x480/0x480 [ 190.115998] ? find_lock_task_mm+0x23b/0x460 [ 190.120380] ? check_noncircular+0x20/0x20 [ 190.124594] ? oom_unkillable_task+0x118/0x4c0 [ 190.129164] ? oom_badness+0xd1/0x980 [ 190.132938] ? lock_release+0xd90/0xd90 [ 190.136881] ? do_try_to_free_pages+0xc53/0x1020 [ 190.141621] ? find_held_lock+0x39/0x1d0 [ 190.145686] ? lock_downgrade+0x990/0x990 [ 190.149813] ? oom_unkillable_task+0x33d/0x4c0 [ 190.154364] ? out_of_memory+0x881/0x11d0 [ 190.158489] ? oom_reaper+0x440/0x440 [ 190.162262] ? lock_release+0xd90/0xd90 [ 190.166206] ? blocking_notifier_call_chain+0x112/0x190 [ 190.171544] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 190.176455] ? oom_evaluate_task+0x284/0x480 [ 190.180839] out_of_memory+0x7dc/0x11d0 [ 190.184791] ? oom_killer_disable+0x310/0x310 [ 190.189267] ? mutex_trylock+0x23a/0x2d0 [ 190.193313] ? __lock_is_held+0xbc/0x140 [ 190.197358] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 190.202797] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 190.207675] ? warn_alloc+0x2f0/0x2f0 [ 190.211464] ? check_noncircular+0x20/0x20 [ 190.215686] ? print_usage_bug+0x3f0/0x3f0 [ 190.219908] ? task_numa_find_cpu+0x1e40/0x1e40 [ 190.224548] ? in_lock_functions+0x20/0x20 [ 190.228754] ? print_usage_bug+0x3f0/0x3f0 [ 190.232960] ? find_held_lock+0x39/0x1d0 [ 190.237000] ? check_noncircular+0x20/0x20 [ 190.241215] ? lock_downgrade+0x990/0x990 [ 190.245348] ? __mutex_lock+0x22b/0x1a80 [ 190.249409] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 190.255282] ? rcu_note_context_switch+0x710/0x710 [ 190.260211] ? __lock_is_held+0xbc/0x140 [ 190.264258] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 190.270129] ? __might_sleep+0x95/0x190 [ 190.274077] __alloc_pages_nodemask+0x9fb/0xd80 [ 190.278717] ? print_usage_bug+0x3f0/0x3f0 [ 190.282931] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 190.287923] ? find_held_lock+0x39/0x1d0 [ 190.291958] ? print_usage_bug+0x3f0/0x3f0 [ 190.296167] ? __lock_is_held+0xbc/0x140 [ 190.300205] ? find_next_bit+0x27/0x30 [ 190.304065] pcpu_populate_chunk+0x1b3/0x880 [ 190.308454] pcpu_balance_workfn+0xf3e/0x1520 [ 190.312936] ? pcpu_create_chunk+0x900/0x900 [ 190.317327] ? find_held_lock+0x39/0x1d0 [ 190.321381] ? check_noncircular+0x20/0x20 [ 190.325615] ? lock_acquire+0x1d5/0x580 [ 190.329574] ? process_one_work+0xb2c/0x1bc0 [ 190.333971] ? __lock_is_held+0xbc/0x140 [ 190.338017] process_one_work+0xbfa/0x1bc0 [ 190.342233] ? pwq_dec_nr_in_flight+0x450/0x450 [ 190.346869] ? finish_task_switch+0x1d3/0x740 [ 190.351340] ? finish_task_switch+0x1aa/0x740 [ 190.355836] ? __sched_text_start+0x8/0x8 [ 190.359969] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 190.365159] ? find_held_lock+0x39/0x1d0 [ 190.369227] ? lock_acquire+0x1d5/0x580 [ 190.373182] ? worker_thread+0x4a3/0x1990 [ 190.377324] ? lock_release+0xd90/0xd90 [ 190.381282] ? check_noncircular+0x20/0x20 [ 190.385504] ? do_raw_spin_trylock+0x190/0x190 [ 190.390075] worker_thread+0x223/0x1990 [ 190.394049] ? process_one_work+0x1bc0/0x1bc0 [ 190.398518] ? _raw_spin_unlock_irq+0x27/0x70 [ 190.402983] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 190.407970] ? trace_hardirqs_on+0xd/0x10 [ 190.412088] ? mmdrop+0x18/0x30 [ 190.415348] ? finish_task_switch+0x1f6/0x740 [ 190.419827] ? preempt_notifier_dec+0x20/0x20 [ 190.424304] ? __schedule+0x8f3/0x2060 [ 190.428160] ? check_noncircular+0x20/0x20 [ 190.432376] ? find_held_lock+0x39/0x1d0 [ 190.436419] ? find_held_lock+0x39/0x1d0 [ 190.440465] ? lock_downgrade+0x990/0x990 [ 190.444588] ? default_wake_function+0x30/0x50 [ 190.449164] ? __schedule+0x2060/0x2060 [ 190.453120] ? do_wait_intr+0x3e0/0x3e0 [ 190.457082] ? do_raw_spin_trylock+0x190/0x190 [ 190.461656] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 190.466738] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 190.471728] ? trace_hardirqs_on+0xd/0x10 [ 190.475847] ? __kthread_parkme+0x175/0x240 [ 190.480146] kthread+0x37a/0x440 [ 190.483490] ? process_one_work+0x1bc0/0x1bc0 [ 190.487960] ? kthread_stop+0x7b0/0x7b0 [ 190.491908] ret_from_fork+0x24/0x30 [ 190.495679] Mem-Info: [ 190.498093] active_anon:6090 inactive_anon:33 isolated_anon:0 [ 190.498093] active_file:17 inactive_file:17 isolated_file:0 [ 190.498093] unevictable:0 dirty:0 writeback:0 unstable:0 [ 190.498093] slab_reclaimable:5971 slab_unreclaimable:84637 [ 190.498093] mapped:2 shmem:39 pagetables:1131 bounce:0 [ 190.498093] free:24032 free_pcp:36 free_cma:0 [ 190.530547] Node 0 active_anon:24360kB 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: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 190.557448] 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 [ 190.583594] lowmem_reserve[]: 0 2882 6395 6395 [ 190.588199] Node 0 DMA32 free:44108kB min:30384kB low:37980kB high:45576kB active_anon:1856kB inactive_anon:0kB active_file:68kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2954076kB mlocked:0kB kernel_stack:2496kB pagetables:900kB bounce:0kB free_pcp:144kB local_pcp:24kB free_cma:0kB [ 190.616523] lowmem_reserve[]: 0 0 3513 3513 [ 190.620851] Node 0 Normal free:36112kB min:37032kB low:46288kB high:55544kB active_anon:22504kB inactive_anon:132kB active_file:8kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3597656kB mlocked:0kB kernel_stack:9184kB pagetables:3624kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 190.649236] lowmem_reserve[]: 0 0 0 0 [ 190.653067] 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 [ 190.666781] Node 0 DMA32: 85*4kB (M) 55*8kB (UME) 18*16kB (UME) 3*32kB (M) 4*64kB (UME) 4*128kB (UME) 1*256kB (E) 3*512kB (UME) 3*1024kB (UME) 4*2048kB (UME) 7*4096kB (M) = 43660kB [ 190.683067] Node 0 Normal: 692*4kB (UME) 465*8kB (UME) 243*16kB (UME) 130*32kB (UME) 83*64kB (UME) 38*128kB (M) 11*256kB (UM) 7*512kB (ME) 5*1024kB (UM) 0*2048kB 0*4096kB = 36232kB [ 190.699419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 190.707986] 73 total pagecache pages [ 190.711706] 0 pages in swap cache [ 190.715160] Swap cache stats: add 0, delete 0, find 0/0 [ 190.720518] Free swap = 0kB [ 190.723532] Total swap = 0kB [ 190.726544] 1965979 pages RAM [ 190.729646] 0 pages HighMem/MovableOnly [ 190.733624] 324069 pages reserved [ 190.737146] Unreclaimable slab info: [ 190.740931] Name Used Total [ 190.746490] TIPC 1KB 7KB [ 190.751853] SCTPv6 2KB 6KB [ 190.757221] DCCPv6 2KB 7KB [ 190.762580] DCCP 2KB 7KB [ 190.767942] fib6_nodes 0KB 4KB [ 190.773307] ip6_dst_cache 7KB 11KB [ 190.778672] RAWv6 10KB 20KB [ 190.784022] UDPv6 13KB 15KB [ 190.789387] TCPv6 2KB 5KB [ 190.794748] sd_ext_cdb 0KB 3KB [ 190.800100] scsi_sense_cache 89KB 120KB [ 190.805464] virtio_scsi_cmd 16KB 16KB [ 190.810824] sgpool-128 8KB 8KB [ 190.816172] sgpool-64 4KB 6KB [ 190.821537] sgpool-32 154KB 157KB [ 190.826895] sgpool-16 16KB 22KB [ 190.832264] sgpool-8 169KB 195KB [ 190.837622] cfq_io_cq 16KB 19KB [ 190.842971] cfq_queue 26KB 30KB [ 190.848334] mqueue_inode_cache 1KB 7KB [ 190.853781] nfs_commit_data 3KB 3KB [ 190.859129] nfs_write_data 34KB 37KB [ 190.864495] jbd2_inode 1KB 3KB [ 190.869852] ext4_system_zone 0KB 3KB [ 190.875206] bio-1 1KB 3KB [ 190.880579] rpc_buffers 17KB 19KB [ 190.885934] rpc_tasks 2KB 3KB [ 190.891287] UNIX 444KB 450KB [ 190.896654] tcp_bind_bucket 0KB 4KB [ 190.902043] ip_fib_trie 0KB 3KB [ 190.907401] ip_fib_alias 0KB 3KB [ 190.912753] ip_dst_cache 4KB 7KB [ 190.918117] RAW 6KB 7KB [ 190.923480] UDP 32KB 33KB [ 190.928829] TCP 8KB 11KB [ 190.934189] hugetlbfs_inode_cache 1KB 3KB [ 190.939896] eventpoll_pwq 9KB 11KB [ 190.945251] eventpoll_epi 18KB 23KB [ 190.950613] inotify_inode_mark 2KB 3KB [ 190.956069] request_queue 32KB 41KB [ 190.961426] blkdev_ioc 23KB 27KB [ 190.966774] bio-0 295KB 296KB [ 190.972138] biovec-(1<<(21-12)) 445KB 445KB [ 190.977667] biovec-128 119KB 121KB [ 190.983027] biovec-64 31KB 31KB [ 190.988387] biovec-16 11KB 15KB [ 190.993746] bio_integrity_payload 0KB 4KB [ 190.999441] khugepaged_mm_slot 0KB 3KB [ 191.004880] uid_cache 0KB 3KB [ 191.010240] dmaengine-unmap-2 0KB 3KB [ 191.015597] skbuff_fclone_cache 238KB 240KB [ 191.021127] skbuff_head_cache 1682KB 1728KB [ 191.026491] configfs_dir_cache 0KB 4KB [ 191.031941] file_lock_cache 152KB 153KB [ 191.037295] file_lock_ctx 1KB 3KB [ 191.042658] fsnotify_mark_connector 1KB 3KB [ 191.048552] shmem_inode_cache 822KB 838KB [ 191.053909] task_delay_info 502KB 504KB [ 191.059930] taskstats 3KB 7KB [ 191.065290] sigqueue 299KB 318KB [ 191.070658] kernfs_node_cache 1810KB 1814KB [ 191.076040] mnt_cache 14KB 20KB [ 191.081412] filp 6986KB 7098KB [ 191.086767] names_cache 94044KB 94044KB [ 191.092136] avc_node 3KB 3KB [ 191.097492] selinux_file_security 348KB 387KB [ 191.103207] selinux_inode_security 2027KB 2039KB [ 191.108996] key_jar 3KB 7KB [ 191.114365] nsproxy 0KB 3KB [ 191.119724] vm_area_struct 16776KB 16876KB [ 191.125091] mm_struct 3619KB 3690KB [ 191.130445] fs_cache 351KB 500KB [ 191.135796] files_cache 1317KB 1548KB [ 191.141161] signal_cache 2221KB 2805KB [ 191.146517] sighand_cache 233KB 249KB [ 191.151865] task_struct 17482KB 17482KB [ 191.157233] cred_jar 2029KB 2116KB [ 191.162592] anon_vma_chain 6889KB 7004KB [ 191.167950] anon_vma 121KB 263KB [ 191.173315] pid 334KB 336KB [ 191.178671] Acpi-Operand 106KB 170KB [ 191.184038] Acpi-Namespace 19KB 23KB [ 191.189412] numa_policy 0KB 3KB [ 191.194761] trace_event_file 140KB 143KB [ 191.200125] ftrace_event_field 247KB 248KB [ 191.205571] pool_workqueue 10KB 12KB [ 191.210936] page->ptl 3043KB 3083KB [ 191.216335] kmalloc-262144 1032KB 1032KB [ 191.221693] kmalloc-131072 650KB 650KB [ 191.227060] kmalloc-65536 264KB 264KB [ 191.232417] kmalloc-32768 462KB 462KB [ 191.237766] kmalloc-16384 132KB 132KB [ 191.243131] kmalloc-8192 22357KB 22357KB [ 191.248489] kmalloc-4096 8780KB 8780KB [ 191.253839] kmalloc-2048 3961KB 3965KB [ 191.259203] kmalloc-1024 3416KB 3425KB [ 191.264563] kmalloc-512 2518KB 2771KB [ 191.269915] kmalloc-256 1097KB 1413KB [ 191.275281] kmalloc-128 365KB 425KB [ 191.280647] kmalloc-96 448KB 448KB [ 191.285997] kmalloc-64 552KB 552KB [ 191.291371] kmalloc-32 991KB 1279KB [ 191.296800] kmalloc-192 169KB 252KB [ 191.302164] kmem_cache 94KB 97KB [ 191.307521] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 191.316197] [ 1552] 0 1552 5344 126 86016 0 -1000 udevd [ 191.324441] [ 1668] 0 1668 5343 127 81920 0 -1000 udevd [ 191.332601] [ 2802] 0 2802 2493 573 57344 0 0 dhclient [ 191.341051] [ 2932] 0 2932 14265 165 118784 0 0 rsyslogd [ 191.349452] [ 2967] 0 2967 4725 48 86016 0 0 cron [ 191.357507] [ 2993] 0 2993 12490 153 135168 0 -1000 sshd [ 191.365563] [ 3017] 0 3017 3694 42 73728 0 0 getty [ 191.373726] [ 3018] 0 3018 3694 41 73728 0 0 getty [ 191.381874] [ 3019] 0 3019 3694 41 77824 0 0 getty [ 191.390044] [ 3020] 0 3020 3694 42 77824 0 0 getty [ 191.398205] [ 3021] 0 3021 3694 41 73728 0 0 getty [ 191.406363] [ 3022] 0 3022 3694 41 77824 0 0 getty [ 191.414523] [ 3023] 0 3023 3649 39 77824 0 0 getty [ 191.422686] [ 3024] 0 3024 5343 127 81920 0 -1000 udevd [ 191.430859] [ 3045] 0 3045 17821 197 184320 0 0 sshd [ 191.438932] [ 3047] 0 3047 300 1 32768 0 0 syzkaller208847 [ 191.447951] [ 3048] 0 3048 338385 866 729088 0 0 syzkaller208847 [ 191.456973] [ 3051] 0 3051 307650 836 667648 0 0 syzkaller208847 [ 191.466003] [ 3052] 0 3052 354777 880 761856 0 0 syzkaller208847 [ 191.475055] [ 3055] 0 3055 373218 902 798720 0 0 syzkaller208847 [ 191.484076] [ 3057] 0 3057 354777 883 761856 0 0 syzkaller208847 [ 191.493095] Out of memory: Kill process 3055 (syzkaller208847) score 0 or sacrifice child [ 191.501776] Killed process 3055 (syzkaller208847) total-vm:1492872kB, anon-rss:3608kB, file-rss:0kB, shmem-rss:0kB [ 191.525362] oom_reaper: reaped process 3055 (syzkaller208847), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 192.904779] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 192.991113] rsyslogd cpuset=/ mems_allowed=0 [ 192.995788] CPU: 1 PID: 2935 Comm: rsyslogd Not tainted 4.14.0-rc8-next-20171109+ #39 [ 193.003731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 193.013064] Call Trace: [ 193.015642] dump_stack+0x194/0x257 [ 193.019262] ? arch_local_irq_restore+0x53/0x53 [ 193.023913] ? dump_header+0x1d9/0xe0e [ 193.027783] dump_header+0x28e/0xe0e [ 193.031499] ? pagefault_out_of_memory+0x152/0x152 [ 193.036408] ? __lock_acquire+0x6e2/0x4840 [ 193.040610] ? __lock_acquire+0x6e2/0x4840 [ 193.044811] ? __lock_acquire+0x6e2/0x4840 [ 193.049035] ? check_noncircular+0x20/0x20 [ 193.053252] ? __lock_acquire+0x6e2/0x4840 [ 193.057481] ? check_noncircular+0x20/0x20 [ 193.061687] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 193.066846] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 193.072012] ? find_held_lock+0x39/0x1d0 [ 193.076068] ? print_usage_bug+0x3f0/0x3f0 [ 193.080298] ? lock_downgrade+0x990/0x990 [ 193.084428] ? lock_acquire+0x1d5/0x580 [ 193.088385] ? ___ratelimit+0x152/0x630 [ 193.092354] ? lock_release+0xd90/0xd90 [ 193.096319] ? mark_held_locks+0xb2/0x100 [ 193.100453] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 193.105541] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 193.110538] ? trace_hardirqs_on+0xd/0x10 [ 193.114678] ? ___ratelimit+0x95/0x630 [ 193.118555] ? idr_get_free_cmn+0xfd0/0xfd0 [ 193.122865] oom_kill_process+0x86d/0x13c0 [ 193.127072] ? lock_release+0xd90/0xd90 [ 193.131019] ? lock_release+0xd90/0xd90 [ 193.134958] ? lock_release+0xd90/0xd90 [ 193.138908] ? oom_evaluate_task+0x480/0x480 [ 193.143298] ? find_lock_task_mm+0x23b/0x460 [ 193.147680] ? check_noncircular+0x20/0x20 [ 193.151892] ? oom_unkillable_task+0x118/0x4c0 [ 193.156459] ? oom_badness+0xd1/0x980 [ 193.160239] ? lock_release+0xd90/0xd90 [ 193.164193] ? do_try_to_free_pages+0xc53/0x1020 [ 193.168928] ? find_held_lock+0x39/0x1d0 [ 193.172969] ? lock_downgrade+0x990/0x990 [ 193.177086] ? oom_unkillable_task+0x33d/0x4c0 [ 193.181636] ? out_of_memory+0x881/0x11d0 [ 193.185754] ? oom_reaper+0x440/0x440 [ 193.189527] ? lock_release+0xd90/0xd90 [ 193.193471] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 193.198396] ? oom_evaluate_task+0x284/0x480 [ 193.202785] out_of_memory+0x7dc/0x11d0 [ 193.206754] ? oom_killer_disable+0x310/0x310 [ 193.211223] ? mutex_trylock+0x23a/0x2d0 [ 193.215254] ? __lock_is_held+0xbc/0x140 [ 193.219293] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 193.224741] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 193.229595] ? warn_alloc+0x2f0/0x2f0 [ 193.233375] ? __lock_is_held+0xbc/0x140 [ 193.237415] ? check_noncircular+0x20/0x20 [ 193.241617] ? find_get_entry+0x53c/0x9e0 [ 193.245746] ? blk_init_request_from_bio+0x3d0/0x3d0 [ 193.250818] ? print_usage_bug+0x3f0/0x3f0 [ 193.255037] ? __lock_is_held+0xbc/0x140 [ 193.259081] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 193.264942] ? __might_sleep+0x95/0x190 [ 193.268891] __alloc_pages_nodemask+0x9fb/0xd80 [ 193.273535] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 193.278528] ? add_to_page_cache_lru+0x510/0x510 [ 193.283266] ? check_noncircular+0x20/0x20 [ 193.287469] ? check_noncircular+0x20/0x20 [ 193.291694] ? find_held_lock+0x39/0x1d0 [ 193.295747] ? lock_downgrade+0x990/0x990 [ 193.299867] alloc_pages_current+0xb6/0x1e0 [ 193.304175] __page_cache_alloc+0x334/0x500 [ 193.308482] ? rcu_read_lock_held+0xa9/0xc0 [ 193.312790] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 193.320159] filemap_fault+0xefc/0x1c20 [ 193.324136] ? __lock_page_or_retry+0x500/0x500 [ 193.328788] ? filemap_map_pages+0x942/0x15d0 [ 193.333264] ? find_get_entries_tag+0xeb0/0xeb0 [ 193.337910] ? find_held_lock+0x39/0x1d0 [ 193.341947] ? check_noncircular+0x20/0x20 [ 193.346156] ? check_noncircular+0x20/0x20 [ 193.350383] ? print_usage_bug+0x3f0/0x3f0 [ 193.354601] ? print_usage_bug+0x3f0/0x3f0 [ 193.358811] ? __bpf_address_lookup+0x2b0/0x2b0 [ 193.363461] ? lock_acquire+0x1d5/0x580 [ 193.367408] ? ext4_filemap_fault+0x7d/0xb0 [ 193.371715] ? lock_release+0xd90/0xd90 [ 193.375661] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 193.381516] ? rcu_note_context_switch+0x710/0x710 [ 193.386432] ? __might_sleep+0x95/0x190 [ 193.390394] ? down_read+0x96/0x150 [ 193.393994] ? ext4_filemap_fault+0x7d/0xb0 [ 193.398293] ? __down_interruptible+0x6b0/0x6b0 [ 193.402939] ? lock_downgrade+0x990/0x990 [ 193.407062] ext4_filemap_fault+0x85/0xb0 [ 193.411181] __do_fault+0xeb/0x30f [ 193.414694] ? vfs_read+0x124/0x360 [ 193.418305] ? pte_offset_kernel+0xc7/0xc7 [ 193.422528] ? check_noncircular+0x20/0x20 [ 193.426747] ? print_usage_bug+0x3f0/0x3f0 [ 193.430965] __handle_mm_fault+0x1c7a/0x3ad0 [ 193.435348] ? __pmd_alloc+0x4e0/0x4e0 [ 193.439207] ? find_held_lock+0x39/0x1d0 [ 193.443250] ? lock_downgrade+0x990/0x990 [ 193.447367] ? __lock_is_held+0xbc/0x140 [ 193.451424] handle_mm_fault+0x334/0x8d0 [ 193.455454] ? down_read_trylock+0xdb/0x170 [ 193.459754] ? __do_page_fault+0x32d/0xc90 [ 193.463960] ? __handle_mm_fault+0x3ad0/0x3ad0 [ 193.468517] ? vmacache_find+0x5f/0x280 [ 193.472480] ? find_vma+0x30/0x150 [ 193.475998] __do_page_fault+0x5c9/0xc90 [ 193.480038] ? vfs_copy_file_range+0x960/0x960 [ 193.484618] ? mm_fault_error+0x2c0/0x2c0 [ 193.488749] ? avc_policy_seqno+0x9/0x20 [ 193.492797] do_page_fault+0xee/0x720 [ 193.496580] ? __do_page_fault+0xc90/0xc90 [ 193.500789] ? __fdget_raw+0x20/0x20 [ 193.504494] ? fput+0xd2/0x140 [ 193.507663] ? lockdep_sys_exit+0x47/0xf0 [ 193.511781] ? retint_user+0x18/0x18 [ 193.515468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 193.520300] page_fault+0x22/0x30 [ 193.523725] RIP: 0033:0x41d18c [ 193.526882] RSP: 002b:00007f2298addd60 EFLAGS: 00010206 [ 193.532217] RAX: 0000000000000087 RBX: 00007f229a3135a3 RCX: 000000000000000a [ 193.539463] RDX: 0000000000000000 RSI: 00007f229a3135a3 RDI: 00007f229a313620 [ 193.546703] RBP: 000000000087fd50 R08: 00007f229a3135a3 R09: 00000000000007e1 [ 193.553947] R10: 0000000000000010 R11: a3d70a3d70a3d70b R12: 0000000000000000 [ 193.561184] R13: 00007f229a3135a3 R14: 0000000000000096 R15: 00007f229a31262b [ 193.568520] Mem-Info: [ 193.571401] active_anon:5190 inactive_anon:33 isolated_anon:0 [ 193.571401] active_file:23 inactive_file:11 isolated_file:0 [ 193.571401] unevictable:0 dirty:0 writeback:0 unstable:0 [ 193.571401] slab_reclaimable:5977 slab_unreclaimable:84695 [ 193.571401] mapped:2 shmem:39 pagetables:1130 bounce:0 [ 193.571401] free:24205 free_pcp:216 free_cma:0 [ 193.603605] Node 0 active_anon:20760kB inactive_anon:132kB active_file:92kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 193.630419] 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 [ 193.656566] lowmem_reserve[]: 0 2882 6395 6395 [ 193.661173] Node 0 DMA32 free:44204kB min:30384kB low:37980kB high:45576kB active_anon:1456kB inactive_anon:0kB active_file:28kB inactive_file:36kB unevictable:0kB writepending:0kB present:3129332kB managed:2954076kB mlocked:0kB kernel_stack:2528kB pagetables:900kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 193.689196] lowmem_reserve[]: 0 0 3513 3513 [ 193.693520] Node 0 Normal free:36708kB min:37032kB low:46288kB high:55544kB active_anon:19304kB inactive_anon:132kB active_file:56kB inactive_file:16kB unevictable:0kB writepending:0kB present:4718592kB managed:3597656kB mlocked:0kB kernel_stack:9184kB pagetables:3620kB bounce:0kB free_pcp:864kB local_pcp:492kB free_cma:0kB [ 193.722997] lowmem_reserve[]: 0 0 0 0 [ 193.726830] 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 [ 193.740455] Node 0 DMA32: 95*4kB (M) 66*8kB (UME) 30*16kB (UME) 4*32kB (M) 5*64kB (UME) 3*128kB (ME) 2*256kB (UE) 3*512kB (UME) 3*1024kB (UME) 4*2048kB (UME) 7*4096kB (M) = 44204kB [ 193.756791] Node 0 Normal: 554*4kB (UME) 485*8kB (UME) 266*16kB (M) 134*32kB (M) 81*64kB (ME) 39*128kB (UM) 9*256kB (M) 6*512kB (ME) 4*1024kB (UM) 1*2048kB (M) 0*4096kB = 36336kB [ 193.773057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 193.781635] 73 total pagecache pages [ 193.785339] 0 pages in swap cache [ 193.788782] Swap cache stats: add 0, delete 0, find 0/0 [ 193.794139] Free swap = 0kB [ 193.797157] Total swap = 0kB [ 193.800172] 1965979 pages RAM [ 193.803266] 0 pages HighMem/MovableOnly [ 193.807231] 324069 pages reserved [ 193.810748] Unreclaimable slab info: [ 193.814514] Name Used Total [ 193.820103] TIPC 1KB 7KB [ 193.825474] SCTPv6 2KB 6KB [ 193.830827] DCCPv6 2KB 7KB [ 193.836191] DCCP 2KB 7KB [ 193.841556] fib6_nodes 0KB 4KB [ 193.846901] ip6_dst_cache 7KB 11KB [ 193.852268] RAWv6 10KB 20KB [ 193.858233] UDPv6 13KB 15KB [ 193.863598] TCPv6 2KB 5KB [ 193.868951] sd_ext_cdb 0KB 3KB [ 193.874314] scsi_sense_cache 105KB 120KB [ 193.879670] virtio_scsi_cmd 16KB 16KB [ 193.885033] sgpool-128 8KB 8KB [ 193.890396] sgpool-64 4KB 6KB [ 193.895755] sgpool-32 204KB 204KB [ 193.901113] sgpool-16 26KB 26KB [ 193.906479] sgpool-8 179KB 195KB [ 193.911843] cfq_io_cq 16KB 19KB [ 193.917193] cfq_queue 26KB 30KB [ 193.922743] mqueue_inode_cache 1KB 7KB [ 193.928197] nfs_commit_data 3KB 3KB [ 193.933555] nfs_write_data 34KB 37KB [ 193.938905] jbd2_inode 1KB 3KB [ 193.944276] ext4_system_zone 0KB 3KB [ 193.949638] bio-1 1KB 3KB [ 193.954992] rpc_buffers 17KB 19KB [ 193.960354] rpc_tasks 2KB 3KB [ 193.965715] UNIX 444KB 450KB [ 193.971064] tcp_bind_bucket 0KB 4KB [ 193.976431] ip_fib_trie 0KB 3KB [ 193.981793] ip_fib_alias 0KB 3KB [ 193.987141] ip_dst_cache 4KB 7KB [ 193.993098] RAW 6KB 7KB [ 193.998467] UDP 32KB 33KB [ 194.003826] TCP 8KB 11KB [ 194.009176] hugetlbfs_inode_cache 1KB 3KB [ 194.014870] eventpoll_pwq 9KB 11KB [ 194.020229] eventpoll_epi 18KB 23KB [ 194.025585] inotify_inode_mark 2KB 3KB [ 194.031034] request_queue 32KB 41KB [ 194.036396] blkdev_ioc 23KB 27KB [ 194.041753] bio-0 318KB 318KB [ 194.047101] biovec-(1<<(21-12)) 445KB 445KB [ 194.052637] biovec-128 153KB 153KB [ 194.057993] biovec-64 47KB 47KB [ 194.063355] biovec-16 18KB 18KB [ 194.068714] bio_integrity_payload 0KB 4KB [ 194.074429] khugepaged_mm_slot 0KB 3KB [ 194.079878] uid_cache 0KB 3KB [ 194.085231] dmaengine-unmap-2 0KB 3KB [ 194.090595] skbuff_fclone_cache 238KB 240KB [ 194.096139] skbuff_head_cache 1682KB 1728KB [ 194.101496] configfs_dir_cache 0KB 4KB [ 194.106940] file_lock_cache 152KB 153KB [ 194.112307] file_lock_ctx 1KB 3KB [ 194.117664] fsnotify_mark_connector 1KB 3KB [ 194.123953] shmem_inode_cache 822KB 838KB [ 194.129305] task_delay_info 501KB 504KB [ 194.134669] taskstats 3KB 7KB [ 194.140041] sigqueue 299KB 318KB [ 194.145402] kernfs_node_cache 1810KB 1814KB [ 194.150762] mnt_cache 14KB 20KB [ 194.156134] filp 6986KB 7095KB [ 194.161492] names_cache 94052KB 94052KB [ 194.166841] avc_node 3KB 3KB [ 194.172202] selinux_file_security 348KB 387KB [ 194.177905] selinux_inode_security 2027KB 2039KB [ 194.183687] key_jar 3KB 7KB [ 194.189034] nsproxy 0KB 3KB [ 194.194396] vm_area_struct 16775KB 16876KB [ 194.199749] mm_struct 3619KB 3690KB [ 194.205100] fs_cache 351KB 500KB [ 194.210635] files_cache 1317KB 1548KB [ 194.215995] signal_cache 2214KB 2805KB [ 194.221348] sighand_cache 222KB 249KB [ 194.226712] task_struct 17482KB 17482KB [ 194.232079] cred_jar 2027KB 2116KB [ 194.237434] anon_vma_chain 6888KB 7004KB [ 194.242786] anon_vma 121KB 263KB [ 194.248151] pid 333KB 336KB [ 194.253508] Acpi-Operand 106KB 170KB [ 194.259308] Acpi-Namespace 19KB 23KB [ 194.264664] numa_policy 0KB 3KB [ 194.270040] trace_event_file 140KB 143KB [ 194.275400] ftrace_event_field 247KB 248KB [ 194.280834] pool_workqueue 10KB 12KB [ 194.286196] page->ptl 3043KB 3083KB [ 194.291567] kmalloc-262144 1032KB 1032KB [ 194.296914] kmalloc-131072 650KB 650KB [ 194.302284] kmalloc-65536 264KB 264KB [ 194.307639] kmalloc-32768 462KB 462KB [ 194.312992] kmalloc-16384 132KB 132KB [ 194.318362] kmalloc-8192 22357KB 22357KB [ 194.323719] kmalloc-4096 8780KB 8780KB [ 194.329081] kmalloc-2048 3961KB 3965KB [ 194.334441] kmalloc-1024 3480KB 3480KB [ 194.339799] kmalloc-512 2511KB 2771KB [ 194.345148] kmalloc-256 1097KB 1413KB [ 194.350510] kmalloc-128 365KB 425KB [ 194.355870] kmalloc-96 445KB 448KB [ 194.361220] kmalloc-64 553KB 556KB [ 194.366580] kmalloc-32 994KB 1279KB [ 194.372052] kmalloc-192 163KB 252KB [ 194.377414] kmem_cache 94KB 97KB [ 194.382778] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 194.391831] [ 1552] 0 1552 5344 126 86016 0 -1000 udevd [ 194.400047] [ 1668] 0 1668 5343 127 81920 0 -1000 udevd [ 194.408205] [ 2802] 0 2802 2493 573 57344 0 0 dhclient [ 194.416622] [ 2932] 0 2932 14265 165 118784 0 0 rsyslogd [ 194.425032] [ 2967] 0 2967 4725 48 86016 0 0 cron [ 194.433077] [ 2993] 0 2993 12490 153 135168 0 -1000 sshd [ 194.441119] [ 3017] 0 3017 3694 42 73728 0 0 getty [ 194.449252] [ 3018] 0 3018 3694 41 73728 0 0 getty [ 194.457384] [ 3019] 0 3019 3694 41 77824 0 0 getty [ 194.465516] [ 3020] 0 3020 3694 42 77824 0 0 getty [ 194.473653] [ 3021] 0 3021 3694 41 73728 0 0 getty [ 194.481788] [ 3022] 0 3022 3694 41 77824 0 0 getty [ 194.489922] [ 3023] 0 3023 3649 39 77824 0 0 getty [ 194.498072] [ 3024] 0 3024 5343 127 81920 0 -1000 udevd [ 194.506233] [ 3045] 0 3045 17821 197 184320 0 0 sshd [ 194.514299] [ 3047] 0 3047 300 1 32768 0 0 syzkaller208847 [ 194.523319] [ 3048] 0 3048 338385 866 729088 0 0 syzkaller208847 [ 194.532339] [ 3051] 0 3051 307650 836 667648 0 0 syzkaller208847 [ 194.541363] [ 3052] 0 3052 354777 880 761856 0 0 syzkaller208847 [ 194.550382] [ 3055] 0 3055 373218 0 794624 0 0 syzkaller208847 [ 194.559402] [ 3057] 0 3057 354777 883 761856 0 0 syzkaller208847 [ 194.568417] Out of memory: Kill process 3057 (syzkaller208847) score 0 or sacrifice child [ 194.577130] Killed process 3057 (syzkaller208847) total-vm:1419108kB, anon-rss:3532kB, file-rss:0kB, shmem-rss:0kB [ 194.592556] oom_reaper: reaped process 3057 (syzkaller208847), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 195.236980] rs:main Q:Reg invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 195.248919] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 195.253789] CPU: 0 PID: 2933 Comm: rs:main Q:Reg Not tainted 4.14.0-rc8-next-20171109+ #39 [ 195.262168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 195.271497] Call Trace: [ 195.274057] dump_stack+0x194/0x257 [ 195.277656] ? arch_local_irq_restore+0x53/0x53 [ 195.282298] ? dump_header+0x1d9/0xe0e [ 195.286155] dump_header+0x28e/0xe0e [ 195.289834] ? print_usage_bug+0x3f0/0x3f0 [ 195.294045] ? pagefault_out_of_memory+0x152/0x152 [ 195.298945] ? __lock_acquire+0x6e2/0x4840 [ 195.303144] ? __lock_acquire+0x6e2/0x4840 [ 195.307343] ? __lock_acquire+0x6e2/0x4840 [ 195.311545] ? check_noncircular+0x20/0x20 [ 195.315748] ? __lock_acquire+0x6e2/0x4840 [ 195.319961] ? check_noncircular+0x20/0x20 [ 195.324160] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 195.329313] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 195.334472] ? find_held_lock+0x39/0x1d0 [ 195.338505] ? print_usage_bug+0x3f0/0x3f0 [ 195.342709] ? lock_downgrade+0x990/0x990 [ 195.346822] ? lock_acquire+0x1d5/0x580 [ 195.350765] ? ___ratelimit+0x152/0x630 [ 195.354711] ? lock_release+0xd90/0xd90 [ 195.358658] ? mark_held_locks+0xb2/0x100 [ 195.362779] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 195.367850] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 195.372839] ? trace_hardirqs_on+0xd/0x10 [ 195.376964] ? ___ratelimit+0x95/0x630 [ 195.380822] ? idr_get_free_cmn+0xfd0/0xfd0 [ 195.385122] oom_kill_process+0x86d/0x13c0 [ 195.389331] ? lock_release+0xd90/0xd90 [ 195.393275] ? lock_release+0xd90/0xd90 [ 195.397217] ? lock_release+0xd90/0xd90 [ 195.401162] ? oom_evaluate_task+0x480/0x480 [ 195.405546] ? find_lock_task_mm+0x23b/0x460 [ 195.409924] ? check_noncircular+0x20/0x20 [ 195.414134] ? oom_unkillable_task+0x118/0x4c0 [ 195.418691] ? oom_badness+0xd1/0x980 [ 195.422455] ? lock_release+0xd90/0xd90 [ 195.426396] ? do_try_to_free_pages+0xc53/0x1020 [ 195.431124] ? find_held_lock+0x39/0x1d0 [ 195.435161] ? lock_downgrade+0x990/0x990 [ 195.439275] ? oom_unkillable_task+0x33d/0x4c0 [ 195.443822] ? out_of_memory+0x881/0x11d0 [ 195.447936] ? oom_reaper+0x440/0x440 [ 195.451705] ? lock_release+0xd90/0xd90 [ 195.455647] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 195.460551] ? oom_evaluate_task+0x284/0x480 [ 195.464931] out_of_memory+0x7dc/0x11d0 [ 195.468880] ? trace_hardirqs_on+0xd/0x10 [ 195.473000] ? oom_killer_disable+0x310/0x310 [ 195.477467] ? mutex_trylock+0x23a/0x2d0 [ 195.481499] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 195.486914] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 195.492779] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 195.497614] ? warn_alloc+0x2f0/0x2f0 [ 195.501391] ? __lock_is_held+0xbc/0x140 [ 195.505431] ? check_noncircular+0x20/0x20 [ 195.509632] ? find_get_entry+0x53c/0x9e0 [ 195.513760] ? print_usage_bug+0x3f0/0x3f0 [ 195.517992] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 195.523852] ? __might_sleep+0x95/0x190 [ 195.527794] __alloc_pages_nodemask+0x9fb/0xd80 [ 195.532435] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 195.537419] ? add_to_page_cache_lru+0x510/0x510 [ 195.542147] ? check_noncircular+0x20/0x20 [ 195.546346] ? check_noncircular+0x20/0x20 [ 195.550551] ? kmem_cache_free+0x77/0x280 [ 195.554663] ? jbd2_journal_stop+0x482/0x1490 [ 195.559124] ? __ext4_journal_stop+0x12c/0x1c0 [ 195.563680] ? find_held_lock+0x39/0x1d0 [ 195.567716] ? lock_downgrade+0x990/0x990 [ 195.571833] alloc_pages_current+0xb6/0x1e0 [ 195.576124] __page_cache_alloc+0x334/0x500 [ 195.580412] ? rcu_read_lock_held+0xa9/0xc0 [ 195.584702] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 195.592042] filemap_fault+0xefc/0x1c20 [ 195.595995] ? __lock_page_or_retry+0x500/0x500 [ 195.600641] ? filemap_map_pages+0x942/0x15d0 [ 195.605114] ? find_get_entries_tag+0xeb0/0xeb0 [ 195.609761] ? balance_dirty_pages_ratelimited+0x1be/0x1bb0 [ 195.615442] ? ext4_write_begin+0x1400/0x1400 [ 195.619907] ? check_noncircular+0x20/0x20 [ 195.624105] ? check_noncircular+0x20/0x20 [ 195.628306] ? balance_dirty_pages+0x3440/0x3440 [ 195.633035] ? print_usage_bug+0x3f0/0x3f0 [ 195.637236] ? print_usage_bug+0x3f0/0x3f0 [ 195.641437] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 195.646606] ? lock_acquire+0x1d5/0x580 [ 195.650554] ? ext4_filemap_fault+0x7d/0xb0 [ 195.654847] ? lock_release+0xd90/0xd90 [ 195.658787] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 195.664642] ? rcu_note_context_switch+0x710/0x710 [ 195.669541] ? __might_sleep+0x95/0x190 [ 195.673486] ? down_read+0x96/0x150 [ 195.677078] ? ext4_filemap_fault+0x7d/0xb0 [ 195.681364] ? __down_interruptible+0x6b0/0x6b0 [ 195.686007] ? lock_downgrade+0x990/0x990 [ 195.690132] ext4_filemap_fault+0x85/0xb0 [ 195.694248] __do_fault+0xeb/0x30f [ 195.697755] ? pte_offset_kernel+0xc7/0xc7 [ 195.701956] ? lock_downgrade+0x990/0x990 [ 195.706073] ? find_held_lock+0x39/0x1d0 [ 195.710112] __handle_mm_fault+0x1c7a/0x3ad0 [ 195.714495] ? __pmd_alloc+0x4e0/0x4e0 [ 195.718350] ? find_held_lock+0x39/0x1d0 [ 195.722393] ? lock_downgrade+0x990/0x990 [ 195.726506] ? __lock_is_held+0xbc/0x140 [ 195.730562] handle_mm_fault+0x334/0x8d0 [ 195.734589] ? down_read_trylock+0xdb/0x170 [ 195.738876] ? __do_page_fault+0x32d/0xc90 [ 195.743084] ? __handle_mm_fault+0x3ad0/0x3ad0 [ 195.747631] ? vmacache_find+0x5f/0x280 [ 195.751574] ? find_vma+0x30/0x150 [ 195.755086] __do_page_fault+0x5c9/0xc90 [ 195.759112] ? kernel_read+0x120/0x120 [ 195.762970] ? mm_fault_error+0x2c0/0x2c0 [ 195.767085] ? avc_policy_seqno+0x9/0x20 [ 195.771113] ? selinux_file_permission+0x82/0x460 [ 195.775926] do_page_fault+0xee/0x720 [ 195.779697] ? __do_page_fault+0xc90/0xc90 [ 195.783898] ? __fdget_raw+0x20/0x20 [ 195.787585] ? vfs_write+0x22a/0x510 [ 195.791264] ? fput+0xd2/0x140 [ 195.794428] ? lockdep_sys_exit+0x47/0xf0 [ 195.798545] ? retint_user+0x18/0x18 [ 195.802230] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 195.807045] page_fault+0x22/0x30 [ 195.810465] RIP: 0033:0x7f229adcd08a [ 195.814148] RSP: 002b:00007f2299adeed0 EFLAGS: 00010202 [ 195.819477] RAX: 0000000000000008 RBX: 00007f229aee6abf RCX: 000000000000002b [ 195.826714] RDX: 0000000000000008 RSI: 0000000000000001 RDI: 00007f229aee54ab [ 195.833950] RBP: 00007f2299adf030 R08: 0000000000000001 R09: 0000000000000001 [ 195.841186] R10: 00007f229b11f1ac R11: 0000000000000001 R12: 00007f229aed1973 [ 195.848421] R13: 0000000000000000 R14: 0000000000000010 R15: 00007f229aee54ab [ 195.855752] Mem-Info: [ 195.858360] active_anon:4331 inactive_anon:33 isolated_anon:0 [ 195.858360] active_file:16 inactive_file:15 isolated_file:0 [ 195.858360] unevictable:0 dirty:0 writeback:0 unstable:0 [ 195.858360] slab_reclaimable:5986 slab_unreclaimable:84773 [ 195.858360] mapped:2 shmem:39 pagetables:1130 bounce:0 [ 195.858360] free:24338 free_pcp:0 free_cma:0 [ 195.890596] Node 0 active_anon:17324kB inactive_anon:132kB active_file:60kB 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: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 195.917436] 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 [ 195.944091] lowmem_reserve[]: 0 2882 6395 6395 [ 195.948723] Node 0 DMA32 free:44276kB min:30384kB low:37980kB high:45576kB active_anon:1116kB inactive_anon:0kB active_file:20kB inactive_file:32kB unevictable:0kB writepending:0kB present:3129332kB managed:2954076kB mlocked:0kB kernel_stack:2528kB pagetables:900kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 195.983870] lowmem_reserve[]: 0 0 3513 3513 [ 195.990812] Node 0 Normal free:36536kB min:37032kB low:46288kB high:55544kB active_anon:16208kB inactive_anon:132kB active_file:36kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3597656kB mlocked:0kB kernel_stack:9184kB pagetables:3620kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 196.020284] lowmem_reserve[]: 0 0 0 0 [ 196.024955] 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 [ 196.038697] Node 0 DMA32: 97*4kB (M) 70*8kB (ME) 42*16kB (UME) 7*32kB (M) 5*64kB (UME) 3*128kB (ME) 1*256kB (E) 3*512kB (UME) 3*1024kB (UME) 4*2048kB (UME) 7*4096kB (M) = 44276kB [ 196.054882] Node 0 Normal: 638*4kB (UME) 502*8kB (ME) 283*16kB (UME) 151*32kB (UME) 83*64kB (UM) 38*128kB (M) 8*256kB (M) 7*512kB (ME) 3*1024kB (M) 1*2048kB (M) 0*4096kB = 36856kB [ 196.071207] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 196.079789] 87 total pagecache pages [ 196.083501] 0 pages in swap cache [ 196.086952] Swap cache stats: add 0, delete 0, find 0/0 [ 196.092332] Free swap = 0kB [ 196.095339] Total swap = 0kB [ 196.098357] 1965979 pages RAM [ 196.101449] 0 pages HighMem/MovableOnly [ 196.105406] 324069 pages reserved [ 196.108861] Unreclaimable slab info: [ 196.113162] Name Used Total [ 196.118698] TIPC 1KB 7KB [ 196.126116] SCTPv6 2KB 6KB [ 196.131502] DCCPv6 2KB 7KB [ 196.136867] DCCP 2KB 7KB [ 196.181512] fib6_nodes 0KB 4KB [ 196.186965] ip6_dst_cache 7KB 11KB [ 196.192418] RAWv6 10KB 20KB [ 196.197793] UDPv6 13KB 15KB [ 196.203166] TCPv6 2KB 5KB [ 196.208548] sd_ext_cdb 0KB 3KB [ 196.213902] scsi_sense_cache 113KB 120KB [ 196.219267] virtio_scsi_cmd 16KB 16KB [ 196.224642] sgpool-128 8KB 8KB [ 196.229995] sgpool-64 4KB 6KB [ 196.235368] sgpool-32 267KB 267KB [ 196.240737] sgpool-16 26KB 26KB [ 196.246106] sgpool-8 195KB 195KB [ 196.251475] cfq_io_cq 16KB 19KB [ 196.256831] cfq_queue 26KB 30KB [ 196.262194] mqueue_inode_cache 1KB 7KB [ 196.267659] nfs_commit_data 3KB 3KB [ 196.273033] nfs_write_data 34KB 37KB [ 196.278407] jbd2_inode 1KB 3KB [ 196.283761] ext4_system_zone 0KB 3KB [ 196.289137] bio-1 1KB 3KB [ 196.294518] rpc_buffers 17KB 19KB [ 196.299872] rpc_tasks 2KB 3KB [ 196.305234] UNIX 444KB 450KB [ 196.310608] tcp_bind_bucket 0KB 4KB [ 196.315969] ip_fib_trie 0KB 3KB [ 196.321344] ip_fib_alias 0KB 3KB [ 196.326714] ip_dst_cache 4KB 7KB [ 196.332084] RAW 6KB 7KB [ 196.337455] UDP 32KB 33KB [ 196.342813] TCP 8KB 11KB [ 196.348175] hugetlbfs_inode_cache 1KB 3KB [ 196.353878] eventpoll_pwq 9KB 11KB [ 196.359239] eventpoll_epi 18KB 23KB [ 196.364605] inotify_inode_mark 2KB 3KB [ 196.370051] request_queue 32KB 41KB [ 196.375415] blkdev_ioc 23KB 27KB [ 196.380772] bio-0 345KB 345KB [ 196.386134] biovec-(1<<(21-12)) 495KB 495KB [ 196.391663] biovec-128 178KB 178KB [ 196.397034] biovec-64 55KB 55KB [ 196.402405] biovec-16 17KB 18KB [ 196.407755] bio_integrity_payload 0KB 4KB [ 196.413464] khugepaged_mm_slot 0KB 3KB [ 196.418959] uid_cache 0KB 3KB [ 196.424329] dmaengine-unmap-2 0KB 3KB [ 196.429686] skbuff_fclone_cache 238KB 240KB [ 196.435224] skbuff_head_cache 1682KB 1728KB [ 196.440584] configfs_dir_cache 0KB 4KB [ 196.446041] file_lock_cache 152KB 153KB [ 196.451398] file_lock_ctx 1KB 3KB [ 196.456747] fsnotify_mark_connector 1KB 3KB [ 196.462618] shmem_inode_cache 822KB 838KB [ 196.467981] task_delay_info 500KB 504KB [ 196.473358] taskstats 3KB 7KB [ 196.478716] sigqueue 299KB 318KB [ 196.484084] kernfs_node_cache 1810KB 1814KB [ 196.489442] mnt_cache 14KB 20KB [ 196.494792] filp 6986KB 7095KB [ 196.500162] names_cache 94052KB 94052KB [ 196.505521] avc_node 3KB 3KB [ 196.510895] selinux_file_security 348KB 387KB [ 196.516592] selinux_inode_security 2027KB 2039KB [ 196.522402] key_jar 3KB 7KB [ 196.527754] nsproxy 0KB 3KB [ 196.533117] vm_area_struct 16775KB 16876KB [ 196.538476] mm_struct 3619KB 3690KB [ 196.543840] fs_cache 351KB 500KB [ 196.549211] files_cache 1317KB 1548KB [ 196.554571] signal_cache 2206KB 2805KB [ 196.559937] sighand_cache 210KB 249KB [ 196.565308] task_struct 17482KB 17482KB [ 196.570672] cred_jar 2026KB 2116KB [ 196.576044] anon_vma_chain 6888KB 7004KB [ 196.581400] anon_vma 125KB 263KB [ 196.586755] pid 333KB 336KB [ 196.592123] Acpi-Operand 106KB 170KB [ 196.597507] Acpi-Namespace 19KB 23KB [ 196.602880] numa_policy 0KB 3KB [ 196.608253] trace_event_file 140KB 143KB [ 196.613631] ftrace_event_field 247KB 248KB [ 196.619075] pool_workqueue 10KB 12KB [ 196.624440] page->ptl 3044KB 3083KB [ 196.629833] kmalloc-262144 1032KB 1032KB [ 196.635208] kmalloc-131072 650KB 650KB [ 196.640577] kmalloc-65536 264KB 264KB [ 196.645934] kmalloc-32768 462KB 462KB [ 196.651301] kmalloc-16384 132KB 132KB [ 196.656668] kmalloc-8192 22357KB 22357KB [ 196.662047] kmalloc-4096 8780KB 8780KB [ 196.667403] kmalloc-2048 3961KB 3965KB [ 196.672766] kmalloc-1024 3575KB 3575KB [ 196.678139] kmalloc-512 2510KB 2771KB [ 196.683509] kmalloc-256 1097KB 1413KB [ 196.688862] kmalloc-128 365KB 425KB [ 196.694227] kmalloc-96 448KB 448KB [ 196.699584] kmalloc-64 552KB 556KB [ 196.704951] kmalloc-32 993KB 1279KB [ 196.710327] kmalloc-192 163KB 252KB [ 196.715700] kmem_cache 94KB 97KB [ 196.721056] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 196.729660] [ 1552] 0 1552 5344 126 86016 0 -1000 udevd [ 196.737799] [ 1668] 0 1668 5343 127 81920 0 -1000 udevd [ 196.745949] [ 2802] 0 2802 2493 573 57344 0 0 dhclient [ 196.754347] [ 2932] 0 2932 30649 165 122880 0 0 rsyslogd [ 196.762760] [ 2967] 0 2967 4725 48 86016 0 0 cron [ 196.770836] [ 2993] 0 2993 12490 153 135168 0 -1000 sshd [ 196.778899] [ 3017] 0 3017 3694 42 73728 0 0 getty [ 196.787048] [ 3018] 0 3018 3694 41 73728 0 0 getty [ 196.795204] [ 3019] 0 3019 3694 41 77824 0 0 getty [ 196.803342] [ 3020] 0 3020 3694 42 77824 0 0 getty [ 196.811494] [ 3021] 0 3021 3694 41 73728 0 0 getty [ 196.819634] [ 3022] 0 3022 3694 41 77824 0 0 getty [ 196.827784] [ 3023] 0 3023 3649 39 77824 0 0 getty [ 196.835926] [ 3024] 0 3024 5343 127 81920 0 -1000 udevd [ 196.844078] [ 3045] 0 3045 17821 197 184320 0 0 sshd [ 196.852151] [ 3047] 0 3047 300 1 32768 0 0 syzkaller208847 [ 196.861179] [ 3048] 0 3048 338385 866 729088 0 0 syzkaller208847 [ 196.870209] [ 3051] 0 3051 307650 836 667648 0 0 syzkaller208847 [ 196.879217] [ 3052] 0 3052 354777 880 761856 0 0 syzkaller208847 [ 196.888239] [ 3055] 0 3055 373218 0 794624 0 0 syzkaller208847 [ 196.897276] [ 3057] 0 3057 354777 0 757760 0 0 syzkaller208847 [ 196.906322] Out of memory: Kill process 3052 (syzkaller208847) score 0 or sacrifice child [ 196.915665] Killed process 3052 (syzkaller208847) total-vm:1419108kB, anon-rss:3520kB, file-rss:0kB, shmem-rss:0kB [ 196.931910] oom_reaper: reaped process 3052 (syzkaller208847), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 197.704919] rs:main Q:Reg invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 197.716853] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 197.721729] CPU: 0 PID: 2933 Comm: rs:main Q:Reg Not tainted 4.14.0-rc8-next-20171109+ #39 [ 197.730112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 197.739444] Call Trace: [ 197.742020] dump_stack+0x194/0x257 [ 197.745637] ? arch_local_irq_restore+0x53/0x53 [ 197.750298] ? dump_header+0x1d9/0xe0e [ 197.754177] dump_header+0x28e/0xe0e [ 197.757869] ? print_usage_bug+0x3f0/0x3f0 [ 197.762105] ? pagefault_out_of_memory+0x152/0x152 [ 197.767026] ? __lock_acquire+0x6e2/0x4840 [ 197.771252] ? __lock_acquire+0x6e2/0x4840 [ 197.775467] ? __lock_acquire+0x6e2/0x4840 [ 197.779682] ? check_noncircular+0x20/0x20 [ 197.783899] ? __lock_acquire+0x6e2/0x4840 [ 197.788138] ? check_noncircular+0x20/0x20 [ 197.792350] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 197.797518] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 197.802695] ? find_held_lock+0x39/0x1d0 [ 197.806747] ? print_usage_bug+0x3f0/0x3f0 [ 197.810967] ? lock_downgrade+0x990/0x990 [ 197.815098] ? lock_acquire+0x1d5/0x580 [ 197.819052] ? ___ratelimit+0x152/0x630 [ 197.823022] ? lock_release+0xd90/0xd90 [ 197.826984] ? mark_held_locks+0xb2/0x100 [ 197.831116] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 197.836205] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 197.841210] ? trace_hardirqs_on+0xd/0x10 [ 197.845349] ? ___ratelimit+0x95/0x630 [ 197.849226] ? idr_get_free_cmn+0xfd0/0xfd0 [ 197.853550] oom_kill_process+0x86d/0x13c0 [ 197.857776] ? lock_release+0xd90/0xd90 [ 197.861733] ? lock_release+0xd90/0xd90 [ 197.865692] ? lock_release+0xd90/0xd90 [ 197.869657] ? oom_evaluate_task+0x480/0x480 [ 197.874067] ? find_lock_task_mm+0x23b/0x460 [ 197.878464] ? check_noncircular+0x20/0x20 [ 197.882696] ? oom_unkillable_task+0x118/0x4c0 [ 197.887269] ? oom_badness+0xd1/0x980 [ 197.891049] ? lock_release+0xd90/0xd90 [ 197.895003] ? do_try_to_free_pages+0xc53/0x1020 [ 197.899745] ? find_held_lock+0x39/0x1d0 [ 197.903806] ? lock_downgrade+0x990/0x990 [ 197.907930] ? oom_unkillable_task+0x33d/0x4c0 [ 197.912493] ? out_of_memory+0x881/0x11d0 [ 197.916620] ? oom_reaper+0x440/0x440 [ 197.920408] ? lock_release+0xd90/0xd90 [ 197.924363] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 197.929285] ? oom_evaluate_task+0x284/0x480 [ 197.933684] out_of_memory+0x7dc/0x11d0 [ 197.937639] ? trace_hardirqs_on+0xd/0x10 [ 197.941785] ? oom_killer_disable+0x310/0x310 [ 197.946259] ? mutex_trylock+0x23a/0x2d0 [ 197.950306] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 197.955732] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 197.961614] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 197.966486] ? warn_alloc+0x2f0/0x2f0 [ 197.970288] ? radix_tree_lookup_slot+0x99/0xe0 [ 197.974963] ? check_noncircular+0x20/0x20 [ 197.979177] ? find_get_entry+0x53c/0x9e0 [ 197.983328] ? blk_init_request_from_bio+0x3d0/0x3d0 [ 197.988415] ? print_usage_bug+0x3f0/0x3f0 [ 197.992694] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 197.998575] ? __might_sleep+0x95/0x190 [ 198.002537] __alloc_pages_nodemask+0x9fb/0xd80 [ 198.007197] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 198.012204] ? add_to_page_cache_lru+0x510/0x510 [ 198.016955] ? check_noncircular+0x20/0x20 [ 198.021171] ? check_noncircular+0x20/0x20 [ 198.025384] ? __schedule+0x8f3/0x2060 [ 198.029252] ? jbd2_journal_stop+0x482/0x1490 [ 198.033736] ? find_held_lock+0x39/0x1d0 [ 198.037796] ? lock_downgrade+0x990/0x990 [ 198.041932] alloc_pages_current+0xb6/0x1e0 [ 198.046243] __page_cache_alloc+0x334/0x500 [ 198.050546] ? rcu_read_lock_held+0xa9/0xc0 [ 198.054853] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 198.062217] filemap_fault+0xefc/0x1c20 [ 198.066200] ? __lock_page_or_retry+0x500/0x500 [ 198.070866] ? filemap_map_pages+0x942/0x15d0 [ 198.075367] ? find_get_entries_tag+0xeb0/0xeb0 [ 198.080026] ? __unlock_page_memcg+0x72/0x100 [ 198.084508] ? check_noncircular+0x20/0x20 [ 198.088726] ? check_noncircular+0x20/0x20 [ 198.092939] ? balance_dirty_pages+0x3440/0x3440 [ 198.097675] ? page_add_new_anon_rmap+0x750/0x750 [ 198.102503] ? print_usage_bug+0x3f0/0x3f0 [ 198.106719] ? print_usage_bug+0x3f0/0x3f0 [ 198.110933] ? check_noncircular+0x20/0x20 [ 198.115147] ? __lock_is_held+0xbc/0x140 [ 198.119214] ? lock_acquire+0x1d5/0x580 [ 198.123170] ? ext4_filemap_fault+0x7d/0xb0 [ 198.127489] ? lock_release+0xd90/0xd90 [ 198.131443] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 198.137314] ? rcu_note_context_switch+0x710/0x710 [ 198.142234] ? __might_sleep+0x95/0x190 [ 198.146200] ? down_read+0x96/0x150 [ 198.149807] ? ext4_filemap_fault+0x7d/0xb0 [ 198.154112] ? __down_interruptible+0x6b0/0x6b0 [ 198.158772] ? lock_downgrade+0x990/0x990 [ 198.162914] ext4_filemap_fault+0x85/0xb0 [ 198.167044] __do_fault+0xeb/0x30f [ 198.170569] ? pte_offset_kernel+0xc7/0xc7 [ 198.174815] __handle_mm_fault+0x1c7a/0x3ad0 [ 198.179220] ? __pmd_alloc+0x4e0/0x4e0 [ 198.183093] ? find_held_lock+0x39/0x1d0 [ 198.187159] ? lock_downgrade+0x990/0x990 [ 198.191287] ? __lock_is_held+0xbc/0x140 [ 198.195383] handle_mm_fault+0x334/0x8d0 [ 198.199423] ? down_read_trylock+0xdb/0x170 [ 198.203722] ? __do_page_fault+0x32d/0xc90 [ 198.207943] ? __handle_mm_fault+0x3ad0/0x3ad0 [ 198.212505] ? vmacache_find+0x5f/0x280 [ 198.216468] ? find_vma+0x30/0x150 [ 198.219999] __do_page_fault+0x5c9/0xc90 [ 198.224043] ? kernel_read+0x120/0x120 [ 198.227926] ? mm_fault_error+0x2c0/0x2c0 [ 198.232054] ? __lock_is_held+0xbc/0x140 [ 198.236111] do_page_fault+0xee/0x720 [ 198.239899] ? __do_page_fault+0xc90/0xc90 [ 198.244116] ? __sb_end_write+0x9e/0xd0 [ 198.248078] ? fput+0xd2/0x140 [ 198.251255] ? lockdep_sys_exit+0x47/0xf0 [ 198.255382] ? retint_user+0x18/0x18 [ 198.259090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 198.263929] page_fault+0x22/0x30 [ 198.267363] RIP: 0033:0x7f229b53c720 [ 198.271055] RSP: 002b:00007f2299adfbf8 EFLAGS: 00010246 [ 198.276399] RAX: fffffffffffff000 RBX: 00007f22940129a0 RCX: 000000000000049e [ 198.283646] RDX: 0000000000001000 RSI: 0000000000000000 RDI: 0000000000000001 [ 198.290895] RBP: 00007f2299adfc40 R08: 00007f2294000020 R09: 00007f2294000070 [ 198.298142] R10: 00007f2294000070 R11: 0000000000000000 R12: 0000000000846a10 [ 198.305389] R13: 0000000000857120 R14: 0000000000846a38 R15: 0000000000846a10 [ 198.312763] Mem-Info: [ 198.315406] active_anon:3490 inactive_anon:33 isolated_anon:0 [ 198.315406] active_file:15 inactive_file:16 isolated_file:0 [ 198.315406] unevictable:0 dirty:0 writeback:0 unstable:0 [ 198.315406] slab_reclaimable:5998 slab_unreclaimable:84706 [ 198.315406] mapped:2 shmem:39 pagetables:1129 bounce:0 [ 198.315406] free:24371 free_pcp:4 free_cma:0 [ 198.347632] Node 0 active_anon:13960kB inactive_anon:132kB active_file:60kB 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: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 198.374466] 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 [ 198.418724] lowmem_reserve[]: 0 2882 6395 6395 [ 198.424262] Node 0 DMA32 free:44424kB min:30384kB low:37980kB high:45576kB active_anon:760kB inactive_anon:0kB active_file:24kB inactive_file:32kB unevictable:0kB writepending:0kB present:3129332kB managed:2954076kB mlocked:0kB kernel_stack:2528kB pagetables:900kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 198.452815] lowmem_reserve[]: 0 0 3513 3513 [ 198.458164] Node 0 Normal free:36884kB min:37032kB low:46288kB high:55544kB active_anon:13200kB inactive_anon:132kB active_file:28kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3597656kB mlocked:0kB kernel_stack:9184kB pagetables:3616kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 198.487233] lowmem_reserve[]: 0 0 0 0 [ 198.491921] 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 [ 198.506467] Node 0 DMA32: 79*4kB (UM) 59*8kB (UME) 39*16kB (UME) 20*32kB (UM) 8*64kB (ME) 4*128kB (UME) 2*256kB (UE) 2*512kB (ME) 3*1024kB (UME) 4*2048kB (UME) 7*4096kB (M) = 44548kB [ 198.523581] Node 0 Normal: 607*4kB (UME) 466*8kB (UME) 285*16kB (UME) 163*32kB (UME) 85*64kB (M) 41*128kB (M) 6*256kB (M) 5*512kB (ME) 4*1024kB (UM) 1*2048kB (M) 0*4096kB = 36860kB [ 198.540811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 198.550273] 71 total pagecache pages [ 198.554881] 0 pages in swap cache [ 198.559209] Swap cache stats: add 0, delete 0, find 0/0 [ 198.565177] Free swap = 0kB [ 198.569078] Total swap = 0kB [ 198.572952] 1965979 pages RAM [ 198.576932] 0 pages HighMem/MovableOnly [ 198.581829] 324069 pages reserved [ 198.586166] Unreclaimable slab info: [ 198.589956] Name Used Total [ 198.613911] TIPC 1KB 7KB [ 198.620054] SCTPv6 2KB 6KB [ 198.626064] DCCPv6 2KB 7KB [ 198.633238] DCCP 2KB 7KB [ 198.641829] fib6_nodes 0KB 4KB [ 198.647213] ip6_dst_cache 7KB 11KB [ 198.652583] RAWv6 10KB 20KB [ 198.657957] UDPv6 13KB 15KB [ 198.663323] TCPv6 2KB 5KB [ 198.668712] sd_ext_cdb 0KB 3KB [ 198.674079] scsi_sense_cache 148KB 148KB [ 198.679447] virtio_scsi_cmd 16KB 16KB [ 198.684818] sgpool-128 8KB 8KB [ 198.690186] sgpool-64 4KB 6KB [ 198.695551] sgpool-32 401KB 401KB [ 198.700915] sgpool-16 52KB 52KB [ 198.706279] sgpool-8 225KB 225KB [ 198.711651] cfq_io_cq 16KB 19KB [ 198.717033] cfq_queue 26KB 30KB [ 198.722403] mqueue_inode_cache 1KB 7KB [ 198.727856] nfs_commit_data 3KB 3KB [ 198.733222] nfs_write_data 34KB 37KB [ 198.738589] jbd2_inode 1KB 3KB [ 198.743957] ext4_system_zone 0KB 3KB [ 198.749333] bio-1 1KB 3KB [ 198.754753] rpc_buffers 17KB 19KB [ 198.760122] rpc_tasks 2KB 3KB [ 198.765491] UNIX 444KB 450KB [ 198.771671] tcp_bind_bucket 0KB 4KB [ 198.777043] ip_fib_trie 0KB 3KB [ 198.782410] ip_fib_alias 0KB 3KB [ 198.787783] ip_dst_cache 4KB 7KB [ 198.793155] RAW 6KB 7KB [ 198.798520] UDP 32KB 33KB [ 198.803890] TCP 8KB 11KB [ 198.809256] hugetlbfs_inode_cache 1KB 3KB [ 198.814973] eventpoll_pwq 9KB 11KB [ 198.820341] eventpoll_epi 18KB 23KB [ 198.825707] inotify_inode_mark 2KB 3KB [ 198.831150] request_queue 32KB 41KB [ 198.836517] blkdev_ioc 23KB 27KB [ 198.841886] bio-0 438KB 438KB [ 198.847256] biovec-(1<<(21-12)) 635KB 635KB [ 198.852797] biovec-128 293KB 293KB [ 198.858164] biovec-64 173KB 173KB [ 198.863535] biovec-16 30KB 30KB [ 198.868906] bio_integrity_payload 0KB 4KB [ 198.874623] khugepaged_mm_slot 0KB 3KB [ 198.880091] uid_cache 0KB 3KB [ 198.885461] dmaengine-unmap-2 0KB 3KB [ 198.891726] skbuff_fclone_cache 238KB 240KB [ 198.897271] skbuff_head_cache 1678KB 1728KB [ 198.902643] configfs_dir_cache 0KB 4KB [ 198.908882] file_lock_cache 152KB 153KB [ 198.914254] file_lock_ctx 1KB 3KB [ 198.919638] fsnotify_mark_connector 1KB 3KB [ 198.925533] shmem_inode_cache 822KB 838KB [ 198.930902] task_delay_info 499KB 504KB [ 198.936271] taskstats 3KB 7KB [ 198.941644] sigqueue 298KB 318KB [ 198.947033] kernfs_node_cache 1810KB 1814KB [ 198.952408] mnt_cache 14KB 20KB [ 198.957802] filp 6979KB 7091KB [ 198.963172] names_cache 93364KB 93402KB [ 198.968547] avc_node 3KB 3KB [ 198.973921] selinux_file_security 348KB 383KB [ 198.979644] selinux_inode_security 2027KB 2039KB [ 198.985450] key_jar 3KB 7KB [ 198.990822] nsproxy 0KB 3KB [ 198.996194] vm_area_struct 16772KB 16876KB [ 199.001564] mm_struct 3619KB 3690KB [ 199.006937] fs_cache 351KB 500KB [ 199.012309] files_cache 1317KB 1548KB [ 199.017679] signal_cache 2203KB 2797KB [ 199.023047] sighand_cache 208KB 249KB [ 199.028419] task_struct 17475KB 17482KB [ 199.033788] cred_jar 2025KB 2116KB [ 199.039937] anon_vma_chain 6886KB 7004KB [ 199.045310] anon_vma 123KB 263KB [ 199.050687] pid 333KB 336KB [ 199.056065] Acpi-Operand 106KB 170KB [ 199.061444] Acpi-Namespace 19KB 23KB [ 199.066817] numa_policy 0KB 3KB [ 199.072191] trace_event_file 140KB 143KB [ 199.077565] ftrace_event_field 247KB 248KB [ 199.083037] pool_workqueue 10KB 12KB [ 199.088408] page->ptl 3042KB 3083KB [ 199.093806] kmalloc-262144 1032KB 1032KB [ 199.099179] kmalloc-131072 650KB 650KB [ 199.104549] kmalloc-65536 264KB 264KB [ 199.109924] kmalloc-32768 462KB 462KB [ 199.115298] kmalloc-16384 132KB 132KB [ 199.120666] kmalloc-8192 22357KB 22357KB [ 199.126034] kmalloc-4096 8619KB 8657KB [ 199.131403] kmalloc-2048 3961KB 3965KB [ 199.136771] kmalloc-1024 3913KB 3913KB [ 199.142140] kmalloc-512 2503KB 2767KB [ 199.147509] kmalloc-256 1094KB 1413KB [ 199.152879] kmalloc-128 363KB 425KB [ 199.158250] kmalloc-96 449KB 452KB [ 199.163627] kmalloc-64 552KB 556KB [ 199.169827] kmalloc-32 993KB 1279KB [ 199.175198] kmalloc-192 163KB 252KB [ 199.180574] kmem_cache 94KB 97KB [ 199.185944] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 199.194552] [ 1552] 0 1552 5344 126 86016 0 -1000 udevd [ 199.202712] [ 1668] 0 1668 5343 127 81920 0 -1000 udevd [ 199.214168] [ 2802] 0 2802 2493 573 57344 0 0 dhclient [ 199.222586] [ 2932] 0 2932 30649 229 122880 0 0 rsyslogd [ 199.231007] [ 2967] 0 2967 4725 48 86016 0 0 cron [ 199.239101] [ 2993] 0 2993 12490 153 135168 0 -1000 sshd [ 199.247169] [ 3017] 0 3017 3694 42 73728 0 0 getty [ 199.255325] [ 3018] 0 3018 3694 41 73728 0 0 getty [ 199.263482] [ 3019] 0 3019 3694 41 77824 0 0 getty [ 199.271639] [ 3020] 0 3020 3694 42 77824 0 0 getty [ 199.279794] [ 3021] 0 3021 3694 41 73728 0 0 getty [ 199.287953] [ 3022] 0 3022 3694 41 77824 0 0 getty [ 199.296122] [ 3023] 0 3023 3649 39 77824 0 0 getty [ 199.304281] [ 3024] 0 3024 5343 127 81920 0 -1000 udevd [ 199.312443] [ 3045] 0 3045 17821 197 184320 0 0 sshd [ 199.320516] [ 3047] 0 3047 300 1 32768 0 0 syzkaller208847 [ 199.329544] [ 3048] 0 3048 338385 866 729088 0 0 syzkaller208847 [ 199.338573] [ 3051] 0 3051 307650 836 667648 0 0 syzkaller208847 [ 199.347603] [ 3052] 0 3052 354777 0 757760 0 0 syzkaller208847 [ 199.356715] [ 3055] 0 3055 373218 0 794624 0 0 syzkaller208847 [ 199.365744] [ 3057] 0 3057 354777 0 757760 0 0 syzkaller208847 [ 199.374768] Out of memory: Kill process 3048 (syzkaller208847) score 0 or sacrifice child [ 199.384060] Killed process 3048 (syzkaller208847) total-vm:1353540kB, anon-rss:3464kB, file-rss:0kB, shmem-rss:0kB [ 199.412077] oom_reaper: reaped process 3048 (syzkaller208847), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 200.095197] kworker/1:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 200.107325] kworker/1:1 cpuset=/ mems_allowed=0 [ 200.112042] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.14.0-rc8-next-20171109+ #39 [ 200.120074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 200.129411] Workqueue: events pcpu_balance_workfn [ 200.134224] Call Trace: [ 200.136790] dump_stack+0x194/0x257 [ 200.140397] ? arch_local_irq_restore+0x53/0x53 [ 200.145046] ? dump_header+0x1d9/0xe0e [ 200.148908] dump_header+0x28e/0xe0e [ 200.152594] ? print_usage_bug+0x3f0/0x3f0 [ 200.156814] ? pagefault_out_of_memory+0x152/0x152 [ 200.161715] ? __lock_acquire+0x6e2/0x4840 [ 200.165918] ? __lock_acquire+0x6e2/0x4840 [ 200.170127] ? __lock_acquire+0x6e2/0x4840 [ 200.174346] ? check_noncircular+0x20/0x20 [ 200.178565] ? __lock_acquire+0x6e2/0x4840 [ 200.182790] ? check_noncircular+0x20/0x20 [ 200.187008] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 200.192172] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 200.197341] ? find_held_lock+0x39/0x1d0 [ 200.201373] ? print_usage_bug+0x3f0/0x3f0 [ 200.205579] ? lock_downgrade+0x990/0x990 [ 200.209692] ? lock_acquire+0x1d5/0x580 [ 200.213634] ? ___ratelimit+0x152/0x630 [ 200.217583] ? lock_release+0xd90/0xd90 [ 200.221529] ? mark_held_locks+0xb2/0x100 [ 200.225651] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 200.230726] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 200.235710] ? trace_hardirqs_on+0xd/0x10 [ 200.239828] ? ___ratelimit+0x95/0x630 [ 200.243686] ? idr_get_free_cmn+0xfd0/0xfd0 [ 200.247990] oom_kill_process+0x86d/0x13c0 [ 200.252210] ? lock_release+0xd90/0xd90 [ 200.256166] ? lock_release+0xd90/0xd90 [ 200.260122] ? lock_release+0xd90/0xd90 [ 200.264079] ? oom_evaluate_task+0x480/0x480 [ 200.268464] ? find_lock_task_mm+0x23b/0x460 [ 200.272843] ? check_noncircular+0x20/0x20 [ 200.277053] ? oom_unkillable_task+0x118/0x4c0 [ 200.281605] ? oom_badness+0xd1/0x980 [ 200.285369] ? lock_release+0xd90/0xd90 [ 200.289309] ? do_try_to_free_pages+0xc53/0x1020 [ 200.294039] ? find_held_lock+0x39/0x1d0 [ 200.298079] ? lock_downgrade+0x990/0x990 [ 200.302192] ? oom_unkillable_task+0x33d/0x4c0 [ 200.306739] ? out_of_memory+0x881/0x11d0 [ 200.310852] ? oom_reaper+0x440/0x440 [ 200.314632] ? lock_release+0xd90/0xd90 [ 200.318574] ? blocking_notifier_call_chain+0x112/0x190 [ 200.323903] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 200.328805] ? oom_evaluate_task+0x284/0x480 [ 200.333185] out_of_memory+0x7dc/0x11d0 [ 200.337134] ? oom_killer_disable+0x310/0x310 [ 200.341594] ? mutex_trylock+0x23a/0x2d0 [ 200.345622] ? __lock_is_held+0xbc/0x140 [ 200.349650] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 200.355092] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 200.359927] ? warn_alloc+0x2f0/0x2f0 [ 200.363694] ? lock_release+0xd90/0xd90 [ 200.367633] ? print_usage_bug+0x3f0/0x3f0 [ 200.371839] ? in_lock_functions+0x20/0x20 [ 200.376041] ? print_usage_bug+0x3f0/0x3f0 [ 200.380241] ? find_held_lock+0x39/0x1d0 [ 200.384276] ? check_noncircular+0x20/0x20 [ 200.388473] ? lock_downgrade+0x990/0x990 [ 200.392598] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 200.398450] ? rcu_note_context_switch+0x710/0x710 [ 200.403360] ? __lock_is_held+0xbc/0x140 [ 200.407398] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 200.413260] ? __might_sleep+0x95/0x190 [ 200.417205] __alloc_pages_nodemask+0x9fb/0xd80 [ 200.421842] ? print_usage_bug+0x3f0/0x3f0 [ 200.426046] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 200.431042] ? find_held_lock+0x39/0x1d0 [ 200.435073] ? print_usage_bug+0x3f0/0x3f0 [ 200.439280] ? __lock_is_held+0xbc/0x140 [ 200.443313] ? find_next_bit+0x27/0x30 [ 200.447172] pcpu_populate_chunk+0x1b3/0x880 [ 200.451558] pcpu_balance_workfn+0xf3e/0x1520 [ 200.456043] ? pcpu_create_chunk+0x900/0x900 [ 200.460420] ? find_held_lock+0x39/0x1d0 [ 200.464453] ? check_noncircular+0x20/0x20 [ 200.468662] ? lock_acquire+0x1d5/0x580 [ 200.472604] ? process_one_work+0xb2c/0x1bc0 [ 200.476989] ? __lock_is_held+0xbc/0x140 [ 200.481042] process_one_work+0xbfa/0x1bc0 [ 200.485258] ? pwq_dec_nr_in_flight+0x450/0x450 [ 200.489894] ? finish_task_switch+0x1d3/0x740 [ 200.494353] ? finish_task_switch+0x1aa/0x740 [ 200.498840] ? __sched_text_start+0x8/0x8 [ 200.502957] ? retint_kernel+0x10/0x10 [ 200.506814] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 200.511799] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 200.516529] ? find_held_lock+0x39/0x1d0 [ 200.520570] ? lock_acquire+0x1d5/0x580 [ 200.524512] ? worker_thread+0x4a3/0x1990 [ 200.528631] ? lock_release+0xd90/0xd90 [ 200.532574] ? retint_kernel+0x10/0x10 [ 200.536429] ? do_raw_spin_trylock+0x190/0x190 [ 200.540990] worker_thread+0x223/0x1990 [ 200.544950] ? process_one_work+0x1bc0/0x1bc0 [ 200.549414] ? _raw_spin_unlock_irq+0x27/0x70 [ 200.553876] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 200.558859] ? trace_hardirqs_on+0xd/0x10 [ 200.562974] ? mmdrop+0x18/0x30 [ 200.566222] ? finish_task_switch+0x1f6/0x740 [ 200.570687] ? preempt_notifier_dec+0x20/0x20 [ 200.575157] ? __schedule+0x8f3/0x2060 [ 200.579012] ? check_noncircular+0x20/0x20 [ 200.583230] ? find_held_lock+0x39/0x1d0 [ 200.587264] ? find_held_lock+0x39/0x1d0 [ 200.591299] ? lock_downgrade+0x990/0x990 [ 200.595414] ? default_wake_function+0x30/0x50 [ 200.599969] ? __schedule+0x2060/0x2060 [ 200.603913] ? do_wait_intr+0x3e0/0x3e0 [ 200.607854] ? do_raw_spin_trylock+0x190/0x190 [ 200.612406] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 200.617478] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 200.622460] ? trace_hardirqs_on+0xd/0x10 [ 200.626575] ? __kthread_parkme+0x175/0x240 [ 200.630866] kthread+0x37a/0x440 [ 200.634200] ? process_one_work+0x1bc0/0x1bc0 [ 200.638662] ? kthread_stop+0x7b0/0x7b0 [ 200.642602] ret_from_fork+0x24/0x30 [ 200.646351] Mem-Info: [ 200.648755] active_anon:2617 inactive_anon:33 isolated_anon:0 [ 200.648755] active_file:24 inactive_file:15 isolated_file:0 [ 200.648755] unevictable:0 dirty:10 writeback:0 unstable:0 [ 200.648755] slab_reclaimable:6010 slab_unreclaimable:84611 [ 200.648755] mapped:2 shmem:39 pagetables:1128 bounce:0 [ 200.648755] free:24275 free_pcp:87 free_cma:0 [ 200.680938] Node 0 active_anon:10468kB inactive_anon:132kB active_file:96kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:40kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 200.707815] 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 [ 200.733922] lowmem_reserve[]: 0 2882 6395 6395 [ 200.738532] Node 0 DMA32 free:44188kB min:30384kB low:37980kB high:45576kB active_anon:360kB inactive_anon:0kB active_file:60kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2954076kB mlocked:0kB kernel_stack:2528kB pagetables:900kB bounce:0kB free_pcp:144kB local_pcp:120kB free_cma:0kB [ 200.766746] lowmem_reserve[]: 0 0 3513 3513 [ 200.771080] Node 0 Normal free:37004kB min:37032kB low:46288kB high:55544kB active_anon:10108kB inactive_anon:132kB active_file:40kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3597656kB mlocked:0kB kernel_stack:9184kB pagetables:3612kB bounce:0kB free_pcp:232kB local_pcp:84kB free_cma:0kB [ 200.799791] lowmem_reserve[]: 0 0 0 0 [ 200.803592] 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 [ 200.817162] Node 0 DMA32: 47*4kB (UM) 44*8kB (UME) 26*16kB (UME) 17*32kB (UM) 11*64kB (UME) 8*128kB (UME) 2*256kB (ME) 3*512kB (UME) 2*1024kB (ME) 4*2048kB (UME) 7*4096kB (M) = 44188kB [ 200.833781] Node 0 Normal: 563*4kB (UME) 442*8kB (UME) 269*16kB (UME) 160*32kB (ME) 92*64kB (UME) 46*128kB (UME) 10*256kB (UME) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 0*4096kB = 36716kB [ 200.850583] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 200.859151] 75 total pagecache pages [ 200.862864] 0 pages in swap cache [ 200.866315] Swap cache stats: add 0, delete 0, find 0/0 [ 200.871670] Free swap = 0kB [ 200.874679] Total swap = 0kB [ 200.877681] 1965979 pages RAM [ 200.880769] 0 pages HighMem/MovableOnly [ 200.884728] 324069 pages reserved [ 200.889454] Unreclaimable slab info: [ 200.893156] Name Used Total [ 200.898689] TIPC 1KB 7KB [ 200.904058] SCTPv6 2KB 6KB [ 200.909419] DCCPv6 2KB 7KB [ 200.914769] DCCP 2KB 7KB [ 200.920150] fib6_nodes 0KB 4KB [ 200.925508] ip6_dst_cache 7KB 11KB [ 200.930861] RAWv6 10KB 20KB [ 200.936224] UDPv6 13KB 15KB [ 200.941582] TCPv6 2KB 5KB [ 200.946944] sd_ext_cdb 0KB 3KB [ 200.952307] scsi_sense_cache 184KB 184KB [ 200.957662] virtio_scsi_cmd 16KB 16KB [ 200.963027] sgpool-128 8KB 8KB [ 200.968392] sgpool-64 4KB 6KB [ 200.973747] sgpool-32 527KB 527KB [ 200.979095] sgpool-16 82KB 82KB [ 200.984458] sgpool-8 273KB 273KB [ 200.989817] cfq_io_cq 19KB 19KB [ 200.995166] cfq_queue 26KB 30KB [ 201.000528] mqueue_inode_cache 1KB 7KB [ 201.005971] nfs_commit_data 3KB 3KB [ 201.011321] nfs_write_data 34KB 37KB [ 201.016682] jbd2_inode 1KB 3KB [ 201.022045] ext4_system_zone 0KB 3KB [ 201.027407] bio-1 1KB 3KB [ 201.032762] rpc_buffers 17KB 19KB [ 201.038125] rpc_tasks 2KB 3KB [ 201.043485] UNIX 444KB 450KB [ 201.048833] tcp_bind_bucket 0KB 4KB [ 201.054197] ip_fib_trie 0KB 3KB [ 201.059560] ip_fib_alias 0KB 3KB [ 201.064907] ip_dst_cache 4KB 7KB [ 201.070281] RAW 6KB 7KB [ 201.075637] UDP 32KB 33KB [ 201.080985] TCP 8KB 11KB [ 201.086346] hugetlbfs_inode_cache 1KB 3KB [ 201.092064] eventpoll_pwq 9KB 11KB [ 201.097422] eventpoll_epi 18KB 23KB [ 201.102769] inotify_inode_mark 2KB 3KB [ 201.108221] request_queue 32KB 41KB [ 201.113577] blkdev_ioc 26KB 27KB [ 201.118926] bio-0 536KB 536KB [ 201.124305] biovec-(1<<(21-12)) 726KB 726KB [ 201.129834] biovec-128 369KB 369KB [ 201.135182] biovec-64 315KB 315KB [ 201.140544] biovec-16 41KB 41KB [ 201.145903] bio_integrity_payload 0KB 4KB [ 201.151600] khugepaged_mm_slot 0KB 3KB [ 201.157036] uid_cache 0KB 3KB [ 201.162398] dmaengine-unmap-2 0KB 3KB [ 201.167755] skbuff_fclone_cache 238KB 240KB [ 201.173275] skbuff_head_cache 1671KB 1717KB [ 201.178638] configfs_dir_cache 0KB 4KB [ 201.184095] file_lock_cache 152KB 153KB [ 201.189454] file_lock_ctx 1KB 3KB [ 201.194806] fsnotify_mark_connector 1KB 3KB [ 201.200686] shmem_inode_cache 822KB 838KB [ 201.206046] task_delay_info 499KB 504KB [ 201.211400] taskstats 3KB 7KB [ 201.216747] sigqueue 298KB 318KB [ 201.222107] kernfs_node_cache 1810KB 1814KB [ 201.227465] mnt_cache 14KB 20KB [ 201.232811] filp 6965KB 7087KB [ 201.238170] names_cache 92709KB 92739KB [ 201.243529] avc_node 3KB 3KB [ 201.248876] selinux_file_security 347KB 383KB [ 201.254584] selinux_inode_security 2027KB 2039KB [ 201.260384] key_jar 3KB 7KB [ 201.265741] nsproxy 0KB 3KB [ 201.271105] vm_area_struct 16766KB 16872KB [ 201.276461] mm_struct 3616KB 3682KB [ 201.281812] fs_cache 351KB 500KB [ 201.287174] files_cache 1316KB 1545KB [ 201.292528] signal_cache 2202KB 2797KB [ 201.297886] sighand_cache 208KB 249KB [ 201.303250] task_struct 17469KB 17469KB [ 201.308608] cred_jar 2023KB 2116KB [ 201.313954] anon_vma_chain 6881KB 7004KB [ 201.319326] anon_vma 122KB 263KB [ 201.324683] pid 332KB 336KB [ 201.330032] Acpi-Operand 106KB 170KB [ 201.335400] Acpi-Namespace 19KB 23KB [ 201.340759] numa_policy 0KB 3KB [ 201.346106] trace_event_file 140KB 143KB [ 201.351471] ftrace_event_field 247KB 248KB [ 201.356911] pool_workqueue 10KB 12KB [ 201.362261] page->ptl 3039KB 3083KB [ 201.367654] kmalloc-262144 1032KB 1032KB [ 201.373040] kmalloc-131072 650KB 650KB [ 201.378403] kmalloc-65536 264KB 264KB [ 201.383753] kmalloc-32768 462KB 462KB [ 201.389116] kmalloc-16384 132KB 132KB [ 201.394474] kmalloc-8192 22357KB 22357KB [ 201.399820] kmalloc-4096 8466KB 8495KB [ 201.405179] kmalloc-2048 3958KB 3965KB [ 201.410534] kmalloc-1024 4244KB 4244KB [ 201.415893] kmalloc-512 2489KB 2760KB [ 201.421255] kmalloc-256 1090KB 1410KB [ 201.426611] kmalloc-128 361KB 425KB [ 201.431961] kmalloc-96 452KB 452KB [ 201.437323] kmalloc-64 554KB 556KB [ 201.442679] kmalloc-32 997KB 1279KB [ 201.448035] kmalloc-192 167KB 252KB [ 201.453397] kmem_cache 94KB 97KB [ 201.458752] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 201.467355] [ 1552] 0 1552 5344 126 86016 0 -1000 udevd [ 201.475510] [ 1668] 0 1668 5343 127 81920 0 -1000 udevd [ 201.483666] [ 2802] 0 2802 2493 573 57344 0 0 dhclient [ 201.492065] [ 2932] 0 2932 30649 213 122880 0 0 rsyslogd [ 201.500461] [ 2967] 0 2967 4725 48 86016 0 0 cron [ 201.508506] [ 2993] 0 2993 12490 153 135168 0 -1000 sshd [ 201.516551] [ 3017] 0 3017 3694 42 73728 0 0 getty [ 201.524683] [ 3018] 0 3018 3694 41 73728 0 0 getty [ 201.532814] [ 3019] 0 3019 3694 41 77824 0 0 getty [ 201.540946] [ 3020] 0 3020 3694 42 77824 0 0 getty [ 201.549094] [ 3021] 0 3021 3694 41 73728 0 0 getty [ 201.557251] [ 3022] 0 3022 3694 41 77824 0 0 getty [ 201.565410] [ 3023] 0 3023 3649 39 77824 0 0 getty [ 201.573568] [ 3024] 0 3024 5343 127 81920 0 -1000 udevd [ 201.581711] [ 3045] 0 3045 17821 197 184320 0 0 sshd [ 201.589764] [ 3047] 0 3047 300 1 32768 0 0 syzkaller208847 [ 201.598767] [ 3048] 0 3048 338385 0 724992 0 0 syzkaller208847 [ 201.607767] [ 3051] 0 3051 307650 836 667648 0 0 syzkaller208847 [ 201.616767] [ 3052] 0 3052 354777 0 757760 0 0 syzkaller208847 [ 201.625768] [ 3055] 0 3055 373218 0 794624 0 0 syzkaller208847 [ 201.634774] [ 3057] 0 3057 354777 0 757760 0 0 syzkaller208847 [ 201.643783] Out of memory: Kill process 3051 (syzkaller208847) score 0 or sacrifice child [ 201.652172] Killed process 3051 (syzkaller208847) total-vm:1230600kB, anon-rss:3344kB, file-rss:0kB, shmem-rss:0kB [ 201.666905] oom_reaper: reaped process 3051 (syzkaller208847), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 202.367467] kworker/1:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 202.379630] kworker/1:1 cpuset=/ mems_allowed=0 [ 202.384338] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.14.0-rc8-next-20171109+ #39 [ 202.392368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 202.401698] Workqueue: events pcpu_balance_workfn [ 202.406505] Call Trace: [ 202.409060] dump_stack+0x194/0x257 [ 202.412659] ? arch_local_irq_restore+0x53/0x53 [ 202.417297] ? dump_header+0x1d9/0xe0e [ 202.421154] dump_header+0x28e/0xe0e [ 202.424831] ? print_usage_bug+0x3f0/0x3f0 [ 202.429042] ? pagefault_out_of_memory+0x152/0x152 [ 202.433941] ? __lock_acquire+0x6e2/0x4840 [ 202.438139] ? __lock_acquire+0x6e2/0x4840 [ 202.442337] ? __lock_acquire+0x6e2/0x4840 [ 202.446539] ? check_noncircular+0x20/0x20 [ 202.450739] ? __lock_acquire+0x6e2/0x4840 [ 202.454953] ? check_noncircular+0x20/0x20 [ 202.459165] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 202.464323] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 202.469480] ? find_held_lock+0x39/0x1d0 [ 202.473512] ? print_usage_bug+0x3f0/0x3f0 [ 202.477714] ? lock_downgrade+0x990/0x990 [ 202.481828] ? lock_acquire+0x1d5/0x580 [ 202.485769] ? ___ratelimit+0x152/0x630 [ 202.489714] ? lock_release+0xd90/0xd90 [ 202.493658] ? mark_held_locks+0xb2/0x100 [ 202.497775] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 202.502843] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 202.507825] ? trace_hardirqs_on+0xd/0x10 [ 202.511940] ? ___ratelimit+0x95/0x630 [ 202.515793] ? idr_get_free_cmn+0xfd0/0xfd0 [ 202.520089] oom_kill_process+0x86d/0x13c0 [ 202.524292] ? lock_release+0xd90/0xd90 [ 202.528229] ? lock_release+0xd90/0xd90 [ 202.532165] ? lock_release+0xd90/0xd90 [ 202.536109] ? oom_evaluate_task+0x480/0x480 [ 202.540497] ? find_lock_task_mm+0x23b/0x460 [ 202.544873] ? check_noncircular+0x20/0x20 [ 202.549081] ? oom_unkillable_task+0x118/0x4c0 [ 202.553638] ? oom_badness+0xd1/0x980 [ 202.557403] ? lock_release+0xd90/0xd90 [ 202.561349] ? do_try_to_free_pages+0xc53/0x1020 [ 202.566075] ? find_held_lock+0x39/0x1d0 [ 202.570111] ? lock_downgrade+0x990/0x990 [ 202.574221] ? oom_unkillable_task+0x33d/0x4c0 [ 202.578769] ? out_of_memory+0x881/0x11d0 [ 202.582883] ? oom_reaper+0x440/0x440 [ 202.586656] ? lock_release+0xd90/0xd90 [ 202.590596] ? blocking_notifier_call_chain+0x112/0x190 [ 202.595923] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 202.600826] ? oom_evaluate_task+0x284/0x480 [ 202.605208] out_of_memory+0x7dc/0x11d0 [ 202.609168] ? oom_killer_disable+0x310/0x310 [ 202.613629] ? mutex_trylock+0x23a/0x2d0 [ 202.617656] ? __lock_is_held+0xbc/0x140 [ 202.621685] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 202.627109] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 202.631940] ? warn_alloc+0x2f0/0x2f0 [ 202.635707] ? check_noncircular+0x20/0x20 [ 202.639908] ? print_usage_bug+0x3f0/0x3f0 [ 202.644108] ? in_lock_functions+0x20/0x20 [ 202.648308] ? print_usage_bug+0x3f0/0x3f0 [ 202.652507] ? find_held_lock+0x39/0x1d0 [ 202.656553] ? check_noncircular+0x20/0x20 [ 202.660752] ? lock_acquire+0x1d5/0x580 [ 202.664690] ? pcpu_balance_workfn+0x134/0x1520 [ 202.669336] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 202.675192] ? rcu_note_context_switch+0x710/0x710 [ 202.680101] ? __lock_is_held+0xbc/0x140 [ 202.684146] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 202.690004] ? __might_sleep+0x95/0x190 [ 202.693946] __alloc_pages_nodemask+0x9fb/0xd80 [ 202.698579] ? print_usage_bug+0x3f0/0x3f0 [ 202.702781] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 202.707782] ? find_held_lock+0x39/0x1d0 [ 202.711818] ? print_usage_bug+0x3f0/0x3f0 [ 202.716023] ? __lock_is_held+0xbc/0x140 [ 202.720059] ? find_next_bit+0x27/0x30 [ 202.723917] pcpu_populate_chunk+0x1b3/0x880 [ 202.728301] pcpu_balance_workfn+0xf3e/0x1520 [ 202.732776] ? pcpu_create_chunk+0x900/0x900 [ 202.737150] ? find_held_lock+0x39/0x1d0 [ 202.741188] ? check_noncircular+0x20/0x20 [ 202.745396] ? lock_acquire+0x1d5/0x580 [ 202.749335] ? process_one_work+0xb2c/0x1bc0 [ 202.753722] ? __lock_is_held+0xbc/0x140 [ 202.757762] process_one_work+0xbfa/0x1bc0 [ 202.761976] ? pwq_dec_nr_in_flight+0x450/0x450 [ 202.766610] ? finish_task_switch+0x1d3/0x740 [ 202.771067] ? finish_task_switch+0x1aa/0x740 [ 202.775552] ? __sched_text_start+0x8/0x8 [ 202.779672] ? retint_kernel+0x10/0x10 [ 202.783525] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 202.788507] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 202.793233] ? find_held_lock+0x39/0x1d0 [ 202.797270] ? lock_acquire+0x1d5/0x580 [ 202.801208] ? worker_thread+0x4a3/0x1990 [ 202.805325] ? lock_release+0xd90/0xd90 [ 202.809266] ? retint_kernel+0x10/0x10 [ 202.813120] ? do_raw_spin_trylock+0x190/0x190 [ 202.817680] worker_thread+0x223/0x1990 [ 202.821644] ? process_one_work+0x1bc0/0x1bc0 [ 202.826108] ? _raw_spin_unlock_irq+0x27/0x70 [ 202.830572] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 202.835553] ? trace_hardirqs_on+0xd/0x10 [ 202.839671] ? mmdrop+0x18/0x30 [ 202.842917] ? finish_task_switch+0x1f6/0x740 [ 202.847387] ? preempt_notifier_dec+0x20/0x20 [ 202.851856] ? __schedule+0x8f3/0x2060 [ 202.855706] ? check_noncircular+0x20/0x20 [ 202.859917] ? find_held_lock+0x39/0x1d0 [ 202.863950] ? find_held_lock+0x39/0x1d0 [ 202.867987] ? lock_downgrade+0x990/0x990 [ 202.872099] ? default_wake_function+0x30/0x50 [ 202.876654] ? __schedule+0x2060/0x2060 [ 202.880592] ? do_wait_intr+0x3e0/0x3e0 [ 202.884532] ? do_raw_spin_trylock+0x190/0x190 [ 202.889755] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 202.894828] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 202.899810] ? trace_hardirqs_on+0xd/0x10 [ 202.903924] ? __kthread_parkme+0x175/0x240 [ 202.908216] kthread+0x37a/0x440 [ 202.911548] ? process_one_work+0x1bc0/0x1bc0 [ 202.916007] ? kthread_stop+0x7b0/0x7b0 [ 202.919949] ret_from_fork+0x24/0x30 [ 202.923730] Mem-Info: [ 202.926145] active_anon:1783 inactive_anon:33 isolated_anon:0 [ 202.926145] active_file:12 inactive_file:15 isolated_file:0 [ 202.926145] unevictable:0 dirty:3 writeback:0 unstable:0 [ 202.926145] slab_reclaimable:6020 slab_unreclaimable:84368 [ 202.926145] mapped:24 shmem:39 pagetables:1127 bounce:0 [ 202.926145] free:24480 free_pcp:229 free_cma:0 [ 202.958419] Node 0 active_anon:7132kB inactive_anon:132kB active_file:48kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96kB dirty:12kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 202.984947] 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 [ 203.011043] lowmem_reserve[]: 0 2882 6395 6395 [ 203.015620] Node 0 DMA32 free:44388kB min:30384kB low:37980kB high:45576kB active_anon:0kB inactive_anon:0kB active_file:44kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2954076kB mlocked:0kB kernel_stack:2528kB pagetables:900kB bounce:0kB free_pcp:152kB local_pcp:152kB free_cma:0kB [ 203.043631] lowmem_reserve[]: 0 0 3513 3513 [ 203.047944] Node 0 Normal free:37624kB min:37032kB low:46288kB high:55544kB active_anon:7132kB inactive_anon:132kB active_file:108kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3597656kB mlocked:0kB kernel_stack:9184kB pagetables:3608kB bounce:0kB free_pcp:764kB local_pcp:740kB free_cma:0kB [ 203.076785] lowmem_reserve[]: 0 0 0 0 [ 203.080589] 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 [ 203.094154] Node 0 DMA32: 7*4kB (UM) 9*8kB (UME) 8*16kB (UME) 4*32kB (UM) 6*64kB (UME) 7*128kB (ME) 5*256kB (ME) 3*512kB (UME) 3*1024kB (ME) 4*2048kB (UME) 7*4096kB (M) = 44388kB [ 203.110245] Node 0 Normal: 333*4kB (UME) 374*8kB (ME) 227*16kB (UME) 132*32kB (UME) 86*64kB (UM) 51*128kB (ME) 13*256kB (UME) 3*512kB (M) 2*1024kB (M) 3*2048kB (M) 0*4096kB = 37268kB [ 203.126687] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 203.135243] 92 total pagecache pages [ 203.138940] 0 pages in swap cache [ 203.142376] Swap cache stats: add 0, delete 0, find 0/0 [ 203.147720] Free swap = 0kB [ 203.150725] Total swap = 0kB [ 203.153723] 1965979 pages RAM [ 203.156808] 0 pages HighMem/MovableOnly [ 203.160761] 324069 pages reserved [ 203.164194] Unreclaimable slab info: [ 203.167889] Name Used Total [ 203.173408] TIPC 1KB 7KB [ 203.178755] SCTPv6 2KB 6KB [ 203.184101] DCCPv6 2KB 7KB [ 203.189444] DCCP 2KB 7KB [ 203.194800] fib6_nodes 0KB 4KB [ 203.200145] ip6_dst_cache 7KB 11KB [ 203.205496] RAWv6 10KB 20KB [ 203.210838] UDPv6 13KB 15KB [ 203.216183] TCPv6 2KB 5KB [ 203.221533] sd_ext_cdb 0KB 3KB [ 203.226881] scsi_sense_cache 204KB 204KB [ 203.232227] virtio_scsi_cmd 16KB 16KB [ 203.237574] sgpool-128 8KB 8KB [ 203.242917] sgpool-64 4KB 6KB [ 203.248262] sgpool-32 614KB 614KB [ 203.253605] sgpool-16 97KB 97KB [ 203.258947] sgpool-8 292KB 292KB [ 203.264304] cfq_io_cq 19KB 19KB [ 203.269652] cfq_queue 26KB 30KB [ 203.274999] mqueue_inode_cache 1KB 7KB [ 203.280433] nfs_commit_data 3KB 3KB [ 203.285778] nfs_write_data 34KB 37KB [ 203.291123] jbd2_inode 1KB 3KB [ 203.296469] ext4_system_zone 0KB 3KB [ 203.301825] bio-1 1KB 3KB [ 203.307176] rpc_buffers 17KB 19KB [ 203.312525] rpc_tasks 2KB 3KB [ 203.317879] UNIX 444KB 450KB [ 203.323227] tcp_bind_bucket 0KB 4KB [ 203.328574] ip_fib_trie 0KB 3KB [ 203.333927] ip_fib_alias 0KB 3KB [ 203.339272] ip_dst_cache 4KB 7KB [ 203.344618] RAW 6KB 7KB [ 203.349963] UDP 32KB 33KB [ 203.355311] TCP 8KB 11KB [ 203.360655] hugetlbfs_inode_cache 1KB 3KB [ 203.366350] eventpoll_pwq 9KB 11KB [ 203.371699] eventpoll_epi 18KB 23KB [ 203.377045] inotify_inode_mark 2KB 3KB [ 203.382477] request_queue 32KB 41KB [ 203.387823] blkdev_ioc 26KB 27KB [ 203.393167] bio-0 588KB 588KB [ 203.398511] biovec-(1<<(21-12)) 800KB 800KB [ 203.404040] biovec-128 452KB 452KB [ 203.409386] biovec-64 370KB 370KB [ 203.414734] biovec-16 45KB 45KB [ 203.420079] bio_integrity_payload 0KB 4KB [ 203.425777] khugepaged_mm_slot 0KB 3KB [ 203.431210] uid_cache 0KB 3KB [ 203.436562] dmaengine-unmap-2 0KB 3KB [ 203.441907] skbuff_fclone_cache 238KB 240KB [ 203.447430] skbuff_head_cache 1671KB 1717KB [ 203.452778] configfs_dir_cache 0KB 4KB [ 203.458226] file_lock_cache 152KB 153KB [ 203.463588] file_lock_ctx 1KB 3KB [ 203.468931] fsnotify_mark_connector 1KB 3KB [ 203.474796] shmem_inode_cache 822KB 838KB [ 203.480138] task_delay_info 499KB 504KB [ 203.485483] taskstats 3KB 7KB [ 203.490827] sigqueue 298KB 318KB [ 203.496173] kernfs_node_cache 1810KB 1814KB [ 203.501518] mnt_cache 14KB 20KB [ 203.506869] filp 6956KB 7076KB [ 203.512213] names_cache 92106KB 92144KB [ 203.517559] avc_node 3KB 3KB [ 203.522904] selinux_file_security 346KB 379KB [ 203.528595] selinux_inode_security 2027KB 2039KB [ 203.534374] key_jar 3KB 7KB [ 203.539722] nsproxy 0KB 3KB [ 203.545065] vm_area_struct 16761KB 16872KB [ 203.550410] mm_struct 3615KB 3682KB [ 203.555754] fs_cache 350KB 500KB [ 203.561099] files_cache 1315KB 1545KB [ 203.566445] signal_cache 2202KB 2797KB [ 203.571789] sighand_cache 208KB 249KB [ 203.577133] task_struct 17469KB 17469KB [ 203.582479] cred_jar 2022KB 2112KB [ 203.587827] anon_vma_chain 6877KB 7000KB [ 203.593179] anon_vma 122KB 263KB [ 203.598535] pid 332KB 336KB [ 203.603890] Acpi-Operand 106KB 170KB [ 203.609236] Acpi-Namespace 19KB 23KB [ 203.614581] numa_policy 0KB 3KB [ 203.619929] trace_event_file 140KB 143KB [ 203.625278] ftrace_event_field 247KB 248KB [ 203.630711] pool_workqueue 10KB 12KB [ 203.636055] page->ptl 3037KB 3083KB [ 203.641413] kmalloc-262144 1032KB 1032KB [ 203.646773] kmalloc-131072 650KB 650KB [ 203.652143] kmalloc-65536 264KB 264KB [ 203.657511] kmalloc-32768 462KB 462KB [ 203.662861] kmalloc-16384 132KB 132KB [ 203.668206] kmalloc-8192 22341KB 22357KB [ 203.673551] kmalloc-4096 8245KB 8283KB [ 203.678902] kmalloc-2048 3958KB 3965KB [ 203.684247] kmalloc-1024 4441KB 4441KB [ 203.689590] kmalloc-512 2475KB 2733KB [ 203.694936] kmalloc-256 1088KB 1410KB [ 203.700281] kmalloc-128 359KB 425KB [ 203.705631] kmalloc-96 451KB 452KB [ 203.710977] kmalloc-64 553KB 556KB [ 203.716326] kmalloc-32 995KB 1279KB [ 203.721680] kmalloc-192 164KB 252KB [ 203.727026] kmem_cache 94KB 97KB [ 203.732370] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 203.740953] [ 1552] 0 1552 5344 126 86016 0 -1000 udevd [ 203.749089] [ 1668] 0 1668 5343 127 81920 0 -1000 udevd [ 203.757220] [ 2802] 0 2802 2493 573 57344 0 0 dhclient [ 203.765610] [ 2932] 0 2932 30649 221 122880 0 0 rsyslogd [ 203.774033] [ 2967] 0 2967 4725 48 86016 0 0 cron [ 203.782080] [ 2993] 0 2993 12490 153 135168 0 -1000 sshd [ 203.790120] [ 3017] 0 3017 3694 42 73728 0 0 getty [ 203.798246] [ 3018] 0 3018 3694 41 73728 0 0 getty [ 203.806376] [ 3019] 0 3019 3694 41 77824 0 0 getty [ 203.814504] [ 3020] 0 3020 3694 42 77824 0 0 getty [ 203.822629] [ 3021] 0 3021 3694 41 73728 0 0 getty [ 203.830755] [ 3022] 0 3022 3694 41 77824 0 0 getty [ 203.838880] [ 3023] 0 3023 3649 39 77824 0 0 getty [ 203.847022] [ 3024] 0 3024 5343 127 81920 0 -1000 udevd [ 203.855152] [ 3045] 0 3045 17821 197 184320 0 0 sshd [ 203.863190] [ 3047] 0 3047 300 1 32768 0 0 syzkaller208847 [ 203.872183] [ 3048] 0 3048 338385 0 724992 0 0 syzkaller208847 [ 203.881177] [ 3051] 0 3051 307650 0 663552 0 0 syzkaller208847 [ 203.890169] [ 3052] 0 3052 354777 0 757760 0 0 syzkaller208847 [ 203.899164] [ 3055] 0 3055 373218 0 794624 0 0 syzkaller208847 [ 203.908161] [ 3057] 0 3057 354777 0 757760 0 0 syzkaller208847 [ 203.917151] Out of memory: Kill process 2802 (dhclient) score 0 or sacrifice child [ 203.925058] Killed process 2802 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 204.294586] kworker/0:2 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 204.306686] kworker/0:2 cpuset=/ mems_allowed=0 [ 204.311383] CPU: 0 PID: 4247 Comm: kworker/0:2 Not tainted 4.14.0-rc8-next-20171109+ #39 [ 204.319589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 204.328931] Workqueue: events pcpu_balance_workfn [ 204.333752] Call Trace: [ 204.336324] dump_stack+0x194/0x257 [ 204.339938] ? arch_local_irq_restore+0x53/0x53 [ 204.344596] ? dump_header+0x1d9/0xe0e [ 204.348474] dump_header+0x28e/0xe0e [ 204.352165] ? print_usage_bug+0x3f0/0x3f0 [ 204.356406] ? pagefault_out_of_memory+0x152/0x152 [ 204.361322] ? __lock_acquire+0x6e2/0x4840 [ 204.365539] ? __lock_acquire+0x6e2/0x4840 [ 204.369752] ? __lock_acquire+0x6e2/0x4840 [ 204.373968] ? check_noncircular+0x20/0x20 [ 204.378186] ? __lock_acquire+0x6e2/0x4840 [ 204.382427] ? check_noncircular+0x20/0x20 [ 204.386642] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 204.391808] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 204.396986] ? find_held_lock+0x39/0x1d0 [ 204.401039] ? print_usage_bug+0x3f0/0x3f0 [ 204.405262] ? lock_downgrade+0x990/0x990 [ 204.409392] ? lock_acquire+0x1d5/0x580 [ 204.413345] ? ___ratelimit+0x152/0x630 [ 204.417313] ? lock_release+0xd90/0xd90 [ 204.421275] ? mark_held_locks+0xb2/0x100 [ 204.425409] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 204.430497] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 204.435498] ? trace_hardirqs_on+0xd/0x10 [ 204.439634] ? ___ratelimit+0x95/0x630 [ 204.443508] ? idr_get_free_cmn+0xfd0/0xfd0 [ 204.447835] oom_kill_process+0x86d/0x13c0 [ 204.452058] ? lock_release+0xd90/0xd90 [ 204.456010] ? lock_release+0xd90/0xd90 [ 204.459961] ? lock_release+0xd90/0xd90 [ 204.463926] ? oom_evaluate_task+0x480/0x480 [ 204.468336] ? find_lock_task_mm+0x23b/0x460 [ 204.472736] ? check_noncircular+0x20/0x20 [ 204.477051] ? oom_unkillable_task+0x118/0x4c0 [ 204.481625] ? oom_badness+0xd1/0x980 [ 204.485402] ? lock_release+0xd90/0xd90 [ 204.489356] ? do_try_to_free_pages+0xc53/0x1020 [ 204.494096] ? find_held_lock+0x39/0x1d0 [ 204.498157] ? lock_downgrade+0x990/0x990 [ 204.502281] ? oom_unkillable_task+0x33d/0x4c0 [ 204.506842] ? out_of_memory+0x881/0x11d0 [ 204.510978] ? oom_reaper+0x440/0x440 [ 204.514770] ? lock_release+0xd90/0xd90 [ 204.518730] ? blocking_notifier_call_chain+0x112/0x190 [ 204.524069] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 204.529001] ? oom_evaluate_task+0x284/0x480 [ 204.533402] out_of_memory+0x7dc/0x11d0 [ 204.537353] ? trace_hardirqs_on+0xd/0x10 [ 204.541496] ? oom_killer_disable+0x310/0x310 [ 204.545968] ? mutex_trylock+0x23a/0x2d0 [ 204.550016] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 204.555443] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 204.561327] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 204.566200] ? warn_alloc+0x2f0/0x2f0 [ 204.569977] ? check_noncircular+0x20/0x20 [ 204.574194] ? print_usage_bug+0x3f0/0x3f0 [ 204.578412] ? in_lock_functions+0x20/0x20 [ 204.582632] ? print_usage_bug+0x3f0/0x3f0 [ 204.586845] ? find_held_lock+0x39/0x1d0 [ 204.590906] ? check_noncircular+0x20/0x20 [ 204.595118] ? lock_acquire+0x1d5/0x580 [ 204.599070] ? pcpu_balance_workfn+0x134/0x1520 [ 204.603735] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 204.609604] ? rcu_note_context_switch+0x710/0x710 [ 204.614581] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 204.620465] ? __might_sleep+0x95/0x190 [ 204.624427] __alloc_pages_nodemask+0x9fb/0xd80 [ 204.629076] ? print_usage_bug+0x3f0/0x3f0 [ 204.633297] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 204.638306] ? find_held_lock+0x39/0x1d0 [ 204.642358] ? print_usage_bug+0x3f0/0x3f0 [ 204.646587] ? __lock_is_held+0xbc/0x140 [ 204.650648] ? find_next_bit+0x27/0x30 [ 204.654612] pcpu_populate_chunk+0x1b3/0x880 [ 204.659026] pcpu_balance_workfn+0xf3e/0x1520 [ 204.663531] ? pcpu_create_chunk+0x900/0x900 [ 204.667923] ? find_held_lock+0x39/0x1d0 [ 204.671973] ? check_noncircular+0x20/0x20 [ 204.676200] ? lock_acquire+0x1d5/0x580 [ 204.680156] ? process_one_work+0xb2c/0x1bc0 [ 204.684566] ? __lock_is_held+0xbc/0x140 [ 204.688636] process_one_work+0xbfa/0x1bc0 [ 204.692873] ? pwq_dec_nr_in_flight+0x450/0x450 [ 204.697524] ? finish_task_switch+0x1d3/0x740 [ 204.702002] ? finish_task_switch+0x1aa/0x740 [ 204.706530] ? __sched_text_start+0x8/0x8 [ 204.710667] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 204.715865] ? find_held_lock+0x39/0x1d0 [ 204.719929] ? lock_acquire+0x1d5/0x580 [ 204.723884] ? worker_thread+0x4a3/0x1990 [ 204.728025] ? lock_release+0xd90/0xd90 [ 204.731981] ? worker_pool_assign_id+0x1b0/0x1b0 [ 204.736720] ? do_raw_spin_trylock+0x190/0x190 [ 204.741307] worker_thread+0x223/0x1990 [ 204.745301] ? process_one_work+0x1bc0/0x1bc0 [ 204.749795] ? _raw_spin_unlock_irq+0x27/0x70 [ 204.754274] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 204.759271] ? trace_hardirqs_on+0xd/0x10 [ 204.763401] ? mmdrop+0x18/0x30 [ 204.766662] ? finish_task_switch+0x1f6/0x740 [ 204.771149] ? preempt_notifier_dec+0x20/0x20 [ 204.775647] ? __schedule+0x8f3/0x2060 [ 204.779514] ? check_noncircular+0x20/0x20 [ 204.783758] ? find_held_lock+0x39/0x1d0 [ 204.787813] ? find_held_lock+0x39/0x1d0 [ 204.791872] ? lock_downgrade+0x990/0x990 [ 204.796003] ? default_wake_function+0x30/0x50 [ 204.800581] ? __schedule+0x2060/0x2060 [ 204.804532] ? do_wait_intr+0x3e0/0x3e0 [ 204.808492] ? do_raw_spin_trylock+0x190/0x190 [ 204.813060] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 204.818145] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 204.823141] ? trace_hardirqs_on+0xd/0x10 [ 204.827271] ? __kthread_parkme+0x175/0x240 [ 204.831581] kthread+0x37a/0x440 [ 204.834927] ? process_one_work+0x1bc0/0x1bc0 [ 204.839397] ? kthread_stop+0x7b0/0x7b0 [ 204.843355] ret_from_fork+0x24/0x30 [ 204.847135] Mem-Info: [ 204.849566] active_anon:1211 inactive_anon:33 isolated_anon:0 [ 204.849566] active_file:17 inactive_file:14 isolated_file:0 [ 204.849566] unevictable:0 dirty:0 writeback:0 unstable:0 [ 204.849566] slab_reclaimable:6025 slab_unreclaimable:84410 [ 204.849566] mapped:2 shmem:39 pagetables:1118 bounce:0 [ 204.849566] free:24272 free_pcp:382 free_cma:0 [ 204.881782] Node 0 active_anon:4844kB inactive_anon:132kB active_file:68kB inactive_file:56kB 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 [ 204.908342] 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 [ 204.934483] lowmem_reserve[]: 0 2882 6395 6395 [ 204.939098] Node 0 DMA32 free:44416kB min:30384kB low:37980kB high:45576kB active_anon:0kB inactive_anon:0kB active_file:16kB inactive_file:28kB unevictable:0kB writepending:0kB present:3129332kB managed:2954076kB mlocked:0kB kernel_stack:2528kB pagetables:900kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 204.967060] lowmem_reserve[]: 0 0 3513 3513 [ 204.971417] Node 0 Normal free:36764kB min:37032kB low:46288kB high:55544kB active_anon:4844kB inactive_anon:132kB active_file:52kB inactive_file:28kB unevictable:0kB writepending:0kB present:4718592kB managed:3597656kB mlocked:0kB kernel_stack:9152kB pagetables:3572kB bounce:0kB free_pcp:1408kB local_pcp:740kB free_cma:0kB [ 205.000252] lowmem_reserve[]: 0 0 0 0 [ 205.004083] 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 [ 205.017732] Node 0 DMA32: 6*4kB (M) 11*8kB (UME) 7*16kB (UME) 5*32kB (UM) 6*64kB (UME) 7*128kB (ME) 5*256kB (ME) 3*512kB (UME) 3*1024kB (ME) 4*2048kB (UME) 7*4096kB (M) = 44416kB [ 205.033909] Node 0 Normal: 205*4kB (M) 349*8kB (ME) 244*16kB (UME) 156*32kB (UME) 93*64kB (UM) 53*128kB (UME) 15*256kB (ME) 3*512kB (M) 2*1024kB (M) 2*2048kB (M) 0*4096kB = 36764kB [ 205.050287] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 205.059867] 70 total pagecache pages [ 205.063590] 0 pages in swap cache [ 205.067045] Swap cache stats: add 0, delete 0, find 0/0 [ 205.072410] Free swap = 0kB [ 205.075428] Total swap = 0kB [ 205.078451] 1965979 pages RAM [ 205.081561] 0 pages HighMem/MovableOnly [ 205.085538] 324069 pages reserved [ 205.088993] Unreclaimable slab info: [ 205.092714] Name Used Total [ 205.098261] TIPC 1KB 7KB [ 205.103635] SCTPv6 2KB 6KB [ 205.109038] DCCPv6 2KB 7KB [ 205.114410] DCCP 2KB 7KB [ 205.119795] fib6_nodes 0KB 4KB [ 205.125164] ip6_dst_cache 7KB 11KB [ 205.130545] RAWv6 10KB 20KB [ 205.135919] UDPv6 13KB 15KB [ 205.141292] TCPv6 2KB 5KB [ 205.146674] sd_ext_cdb 0KB 3KB [ 205.152045] scsi_sense_cache 212KB 212KB [ 205.157417] virtio_scsi_cmd 16KB 16KB [ 205.162796] sgpool-128 8KB 8KB [ 205.168164] sgpool-64 4KB 6KB [ 205.173536] sgpool-32 637KB 637KB [ 205.178906] sgpool-16 97KB 97KB [ 205.184275] sgpool-8 296KB 296KB [ 205.189649] cfq_io_cq 17KB 19KB [ 205.195037] cfq_queue 26KB 30KB [ 205.200409] mqueue_inode_cache 1KB 7KB [ 205.205869] nfs_commit_data 3KB 3KB [ 205.211239] nfs_write_data 34KB 37KB [ 205.216614] jbd2_inode 1KB 3KB [ 205.221983] ext4_system_zone 0KB 3KB [ 205.227365] bio-1 1KB 3KB [ 205.232747] rpc_buffers 17KB 19KB [ 205.238119] rpc_tasks 2KB 3KB [ 205.243493] UNIX 444KB 450KB [ 205.248862] tcp_bind_bucket 0KB 4KB [ 205.254236] ip_fib_trie 0KB 3KB [ 205.259612] ip_fib_alias 0KB 3KB [ 205.264985] ip_dst_cache 4KB 7KB [ 205.270355] RAW 6KB 7KB [ 205.275722] UDP 32KB 33KB [ 205.281114] TCP 8KB 11KB [ 205.286484] hugetlbfs_inode_cache 1KB 3KB [ 205.292203] eventpoll_pwq 9KB 11KB [ 205.297575] eventpoll_epi 18KB 23KB [ 205.302943] inotify_inode_mark 2KB 3KB [ 205.308402] request_queue 32KB 41KB [ 205.313772] blkdev_ioc 23KB 27KB [ 205.319144] bio-0 603KB 603KB [ 205.324513] biovec-(1<<(21-12)) 849KB 849KB [ 205.330065] biovec-128 471KB 471KB [ 205.335436] biovec-64 378KB 378KB [ 205.340803] biovec-16 45KB 45KB [ 205.346172] bio_integrity_payload 0KB 4KB [ 205.351892] khugepaged_mm_slot 0KB 3KB [ 205.357353] uid_cache 0KB 3KB [ 205.362721] dmaengine-unmap-2 0KB 3KB [ 205.368090] skbuff_fclone_cache 238KB 240KB [ 205.373635] skbuff_head_cache 1667KB 1717KB [ 205.379030] configfs_dir_cache 0KB 4KB [ 205.384488] file_lock_cache 152KB 153KB [ 205.389865] file_lock_ctx 1KB 3KB [ 205.395234] fsnotify_mark_connector 1KB 3KB [ 205.401125] shmem_inode_cache 819KB 838KB [ 205.406498] task_delay_info 499KB 504KB [ 205.411865] taskstats 3KB 7KB [ 205.417233] sigqueue 301KB 318KB [ 205.422603] kernfs_node_cache 1810KB 1814KB [ 205.427970] mnt_cache 14KB 20KB [ 205.433340] filp 6949KB 7068KB [ 205.438710] names_cache 92097KB 92135KB [ 205.444086] avc_node 3KB 3KB [ 205.449458] selinux_file_security 345KB 379KB [ 205.455173] selinux_inode_security 2026KB 2039KB [ 205.460976] key_jar 3KB 7KB [ 205.466347] nsproxy 0KB 3KB [ 205.471715] vm_area_struct 16758KB 16872KB [ 205.477084] mm_struct 3612KB 3682KB [ 205.482455] fs_cache 350KB 500KB [ 205.487823] files_cache 1314KB 1545KB [ 205.493193] signal_cache 2200KB 2797KB [ 205.498562] sighand_cache 208KB 249KB [ 205.503931] task_struct 17456KB 17469KB [ 205.509300] cred_jar 2022KB 2108KB [ 205.514673] anon_vma_chain 6874KB 7000KB [ 205.520052] anon_vma 122KB 263KB [ 205.525422] pid 332KB 336KB [ 205.530790] Acpi-Operand 106KB 170KB [ 205.536161] Acpi-Namespace 19KB 23KB [ 205.541533] numa_policy 0KB 3KB [ 205.546901] trace_event_file 140KB 143KB [ 205.552268] ftrace_event_field 247KB 248KB [ 205.557722] pool_workqueue 10KB 12KB [ 205.563094] page->ptl 3035KB 3079KB [ 205.568486] kmalloc-262144 1032KB 1032KB [ 205.573852] kmalloc-131072 650KB 650KB [ 205.579219] kmalloc-65536 264KB 264KB [ 205.584589] kmalloc-32768 462KB 462KB [ 205.589958] kmalloc-16384 132KB 132KB [ 205.595329] kmalloc-8192 22332KB 22357KB [ 205.600698] kmalloc-4096 8236KB 8274KB [ 205.606066] kmalloc-2048 3958KB 3965KB [ 205.611435] kmalloc-1024 4480KB 4480KB [ 205.616802] kmalloc-512 2468KB 2730KB [ 205.622170] kmalloc-256 1085KB 1402KB [ 205.627540] kmalloc-128 355KB 417KB [ 205.632911] kmalloc-96 451KB 452KB [ 205.638278] kmalloc-64 553KB 556KB [ 205.643652] kmalloc-32 995KB 1279KB [ 205.649040] kmalloc-192 164KB 252KB [ 205.654408] kmem_cache 94KB 97KB [ 205.659775] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 205.668383] [ 1552] 0 1552 5344 126 86016 0 -1000 udevd [ 205.676543] [ 1668] 0 1668 5343 127 81920 0 -1000 udevd [ 205.684700] [ 2932] 0 2932 30649 215 122880 0 0 rsyslogd [ 205.693116] [ 2967] 0 2967 4725 48 86016 0 0 cron [ 205.701185] [ 2993] 0 2993 12490 153 135168 0 -1000 sshd [ 205.709251] [ 3017] 0 3017 3694 42 73728 0 0 getty [ 205.717405] [ 3018] 0 3018 3694 41 73728 0 0 getty [ 205.725560] [ 3019] 0 3019 3694 41 77824 0 0 getty [ 205.733719] [ 3020] 0 3020 3694 42 77824 0 0 getty [ 205.741875] [ 3021] 0 3021 3694 41 73728 0 0 getty [ 205.750047] [ 3022] 0 3022 3694 41 77824 0 0 getty [ 205.758204] [ 3023] 0 3023 3649 39 77824 0 0 getty [ 205.766361] [ 3024] 0 3024 5343 127 81920 0 -1000 udevd [ 205.774517] [ 3045] 0 3045 17821 197 184320 0 0 sshd [ 205.782594] [ 3047] 0 3047 300 1 32768 0 0 syzkaller208847 [ 205.791623] [ 3048] 0 3048 338385 0 724992 0 0 syzkaller208847 [ 205.800659] [ 3051] 0 3051 307650 0 663552 0 0 syzkaller208847 [ 205.809681] [ 3052] 0 3052 354777 0 757760 0 0 syzkaller208847 [ 205.818705] [ 3055] 0 3055 373218 0 794624 0 0 syzkaller208847 [ 205.827734] [ 3057] 0 3057 354777 0 757760 0 0 syzkaller208847 [ 205.836760] Out of memory: Kill process 2932 (rsyslogd) score 0 or sacrifice child [ 205.844533] Killed process 2932 (rsyslogd) total-vm:122596kB, anon-rss:860kB, file-rss:0kB, shmem-rss:0kB [ 206.333551] kworker/0:2 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 206.345645] kworker/0:2 cpuset=/ mems_allowed=0 [ 206.350312] CPU: 0 PID: 4247 Comm: kworker/0:2 Not tainted 4.14.0-rc8-next-20171109+ #39 [ 206.358502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 206.367827] Workqueue: events pcpu_balance_workfn [ 206.372635] Call Trace: [ 206.375191] dump_stack+0x194/0x257 [ 206.378788] ? arch_local_irq_restore+0x53/0x53 [ 206.383435] ? dump_header+0x1d9/0xe0e [ 206.387295] dump_header+0x28e/0xe0e [ 206.390975] ? print_usage_bug+0x3f0/0x3f0 [ 206.395184] ? pagefault_out_of_memory+0x152/0x152 [ 206.400082] ? __lock_acquire+0x6e2/0x4840 [ 206.404280] ? __lock_acquire+0x6e2/0x4840 [ 206.408476] ? __lock_acquire+0x6e2/0x4840 [ 206.412674] ? check_noncircular+0x20/0x20 [ 206.416872] ? __lock_acquire+0x6e2/0x4840 [ 206.421083] ? check_noncircular+0x20/0x20 [ 206.425282] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 206.430438] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 206.435596] ? find_held_lock+0x39/0x1d0 [ 206.439632] ? print_usage_bug+0x3f0/0x3f0 [ 206.443836] ? lock_downgrade+0x990/0x990 [ 206.447948] ? lock_acquire+0x1d5/0x580 [ 206.451887] ? ___ratelimit+0x152/0x630 [ 206.455832] ? lock_release+0xd90/0xd90 [ 206.459776] ? mark_held_locks+0xb2/0x100 [ 206.463890] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 206.468961] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 206.473941] ? trace_hardirqs_on+0xd/0x10 [ 206.478054] ? ___ratelimit+0x95/0x630 [ 206.481907] ? idr_get_free_cmn+0xfd0/0xfd0 [ 206.486203] oom_kill_process+0x86d/0x13c0 [ 206.490407] ? lock_release+0xd90/0xd90 [ 206.494348] ? lock_release+0xd90/0xd90 [ 206.498284] ? lock_release+0xd90/0xd90 [ 206.502233] ? oom_evaluate_task+0x480/0x480 [ 206.506616] ? find_lock_task_mm+0x23b/0x460 [ 206.510992] ? check_noncircular+0x20/0x20 [ 206.515200] ? oom_unkillable_task+0x118/0x4c0 [ 206.519750] ? oom_badness+0xd1/0x980 [ 206.523513] ? lock_release+0xd90/0xd90 [ 206.527453] ? do_try_to_free_pages+0xc53/0x1020 [ 206.532178] ? find_held_lock+0x39/0x1d0 [ 206.536213] ? lock_downgrade+0x990/0x990 [ 206.540323] ? oom_unkillable_task+0x33d/0x4c0 [ 206.544870] ? out_of_memory+0x881/0x11d0 [ 206.548981] ? oom_reaper+0x440/0x440 [ 206.552750] ? lock_release+0xd90/0xd90 [ 206.556689] ? blocking_notifier_call_chain+0x112/0x190 [ 206.562015] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 206.566916] ? oom_evaluate_task+0x284/0x480 [ 206.571294] out_of_memory+0x7dc/0x11d0 [ 206.575230] ? trace_hardirqs_on+0xd/0x10 [ 206.579354] ? oom_killer_disable+0x310/0x310 [ 206.583819] ? mutex_trylock+0x23a/0x2d0 [ 206.587852] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 206.593264] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 206.599121] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 206.603952] ? warn_alloc+0x2f0/0x2f0 [ 206.607725] ? __unwind_start+0x169/0x330 [ 206.611845] ? print_usage_bug+0x3f0/0x3f0 [ 206.616042] ? __save_stack_trace+0x6e/0xd0 [ 206.620333] ? depot_save_stack+0x12c/0x490 [ 206.624623] ? check_noncircular+0x20/0x20 [ 206.628828] ? save_stack+0xa3/0xd0 [ 206.632419] ? save_stack+0x43/0xd0 [ 206.636009] ? kasan_slab_free+0x71/0xc0 [ 206.640078] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 206.645923] ? pcpu_get_vm_areas+0xd40/0x10b0 [ 206.650391] ? __might_sleep+0x95/0x190 [ 206.654335] __alloc_pages_nodemask+0x9fb/0xd80 [ 206.658973] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 206.663962] ? find_held_lock+0x39/0x1d0 [ 206.667994] ? print_usage_bug+0x3f0/0x3f0 [ 206.672197] ? __lock_is_held+0xbc/0x140 [ 206.676229] ? find_next_bit+0x27/0x30 [ 206.680086] pcpu_populate_chunk+0x1b3/0x880 [ 206.684471] pcpu_balance_workfn+0xf3e/0x1520 [ 206.688949] ? pcpu_create_chunk+0x900/0x900 [ 206.693325] ? find_held_lock+0x39/0x1d0 [ 206.697357] ? check_noncircular+0x20/0x20 [ 206.701566] ? lock_acquire+0x1d5/0x580 [ 206.705506] ? process_one_work+0xb2c/0x1bc0 [ 206.709890] ? __lock_is_held+0xbc/0x140 [ 206.713929] process_one_work+0xbfa/0x1bc0 [ 206.718140] ? pwq_dec_nr_in_flight+0x450/0x450 [ 206.722775] ? finish_task_switch+0x1d3/0x740 [ 206.727233] ? finish_task_switch+0x1aa/0x740 [ 206.731717] ? __sched_text_start+0x8/0x8 [ 206.735833] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 206.741000] ? find_held_lock+0x39/0x1d0 [ 206.745037] ? lock_acquire+0x1d5/0x580 [ 206.748974] ? worker_thread+0x4a3/0x1990 [ 206.753091] ? lock_release+0xd90/0xd90 [ 206.757030] ? worker_pool_assign_id+0x1b0/0x1b0 [ 206.761753] ? do_raw_spin_trylock+0x190/0x190 [ 206.766312] worker_thread+0x223/0x1990 [ 206.770271] ? process_one_work+0x1bc0/0x1bc0 [ 206.774742] ? _raw_spin_unlock_irq+0x27/0x70 [ 206.779203] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 206.784184] ? trace_hardirqs_on+0xd/0x10 [ 206.788297] ? mmdrop+0x18/0x30 [ 206.791543] ? finish_task_switch+0x1f6/0x740 [ 206.796005] ? preempt_notifier_dec+0x20/0x20 [ 206.800477] ? __schedule+0x8f3/0x2060 [ 206.804328] ? check_noncircular+0x20/0x20 [ 206.808543] ? find_held_lock+0x39/0x1d0 [ 206.812576] ? find_held_lock+0x39/0x1d0 [ 206.816614] ? lock_downgrade+0x990/0x990 [ 206.820728] ? default_wake_function+0x30/0x50 [ 206.825282] ? __schedule+0x2060/0x2060 [ 206.829219] ? do_wait_intr+0x3e0/0x3e0 [ 206.833161] ? do_raw_spin_trylock+0x190/0x190 [ 206.837712] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 206.842781] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 206.847760] ? trace_hardirqs_on+0xd/0x10 [ 206.851874] ? __kthread_parkme+0x175/0x240 [ 206.856167] kthread+0x37a/0x440 [ 206.859499] ? process_one_work+0x1bc0/0x1bc0 [ 206.863957] ? kthread_stop+0x7b0/0x7b0 [ 206.867898] ret_from_fork+0x24/0x30 [ 206.871649] Mem-Info: [ 206.874053] active_anon:981 inactive_anon:33 isolated_anon:0 [ 206.874053] active_file:16 inactive_file:15 isolated_file:0 [ 206.874053] unevictable:0 dirty:0 writeback:0 unstable:0 [ 206.874053] slab_reclaimable:6027 slab_unreclaimable:84005 [ 206.874053] mapped:2 shmem:39 pagetables:1094 bounce:0 [ 206.874053] free:24314 free_pcp:245 free_cma:0 [ 206.906149] Node 0 active_anon:3924kB inactive_anon:132kB active_file:64kB inactive_file:60kB 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 [ 206.932587] 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 [ 206.958684] lowmem_reserve[]: 0 2882 6395 6395 [ 206.963260] Node 0 DMA32 free:44416kB min:30384kB low:37980kB high:45576kB active_anon:0kB inactive_anon:0kB active_file:24kB inactive_file:12kB unevictable:0kB writepending:0kB present:3129332kB managed:2954076kB mlocked:0kB kernel_stack:2528kB pagetables:900kB bounce:0kB free_pcp:124kB local_pcp:120kB free_cma:0kB [ 206.991355] lowmem_reserve[]: 0 0 3513 3513 [ 206.995668] Node 0 Normal free:36932kB min:37032kB low:46288kB high:55544kB active_anon:3924kB inactive_anon:132kB active_file:40kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3597656kB mlocked:0kB kernel_stack:9024kB pagetables:3476kB bounce:0kB free_pcp:856kB local_pcp:120kB free_cma:0kB [ 207.024378] lowmem_reserve[]: 0 0 0 0 [ 207.028171] 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 [ 207.041742] Node 0 DMA32: 8*4kB (UM) 10*8kB (ME) 7*16kB (UME) 5*32kB (UM) 6*64kB (UME) 7*128kB (ME) 5*256kB (ME) 3*512kB (UME) 3*1024kB (ME) 4*2048kB (UME) 7*4096kB (M) = 44416kB [ 207.058332] Node 0 Normal: 315*4kB (UME) 317*8kB (UME) 227*16kB (UME) 146*32kB (ME) 82*64kB (UM) 51*128kB (UME) 13*256kB (UME) 5*512kB (UM) 1*1024kB (M) 3*2048kB (M) 0*4096kB = 36932kB [ 207.074952] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 207.083510] 70 total pagecache pages [ 207.087206] 0 pages in swap cache [ 207.090639] Swap cache stats: add 0, delete 0, find 0/0 [ 207.095980] Free swap = 0kB [ 207.098978] Total swap = 0kB [ 207.101975] 1965979 pages RAM [ 207.105060] 0 pages HighMem/MovableOnly [ 207.109021] 324069 pages reserved [ 207.112455] Unreclaimable slab info: [ 207.116148] Name Used Total [ 207.121668] TIPC 1KB 7KB [ 207.127024] SCTPv6 2KB 6KB [ 207.132372] DCCPv6 2KB 7KB [ 207.137716] DCCP 2KB 7KB [ 207.143068] fib6_nodes 0KB 4KB [ 207.148411] ip6_dst_cache 7KB 11KB [ 207.153770] RAWv6 10KB 20KB [ 207.159114] UDPv6 13KB 15KB [ 207.164458] TCPv6 2KB 5KB [ 207.169807] sd_ext_cdb 0KB 3KB [ 207.175150] scsi_sense_cache 212KB 212KB [ 207.180506] virtio_scsi_cmd 16KB 16KB [ 207.185852] sgpool-128 8KB 8KB [ 207.191196] sgpool-64 4KB 6KB [ 207.196541] sgpool-32 645KB 645KB [ 207.201888] sgpool-16 101KB 101KB [ 207.207231] sgpool-8 300KB 300KB [ 207.212577] cfq_io_cq 17KB 19KB [ 207.217929] cfq_queue 26KB 30KB [ 207.223282] mqueue_inode_cache 1KB 7KB [ 207.228715] nfs_commit_data 3KB 3KB [ 207.234058] nfs_write_data 34KB 37KB [ 207.239402] jbd2_inode 1KB 3KB [ 207.244748] ext4_system_zone 0KB 3KB [ 207.250097] bio-1 1KB 3KB [ 207.255446] rpc_buffers 17KB 19KB [ 207.260792] rpc_tasks 2KB 3KB [ 207.266153] UNIX 444KB 450KB [ 207.271507] tcp_bind_bucket 0KB 4KB [ 207.276853] ip_fib_trie 0KB 3KB [ 207.282205] ip_fib_alias 0KB 3KB [ 207.287554] ip_dst_cache 4KB 7KB [ 207.292897] RAW 6KB 7KB [ 207.298243] UDP 32KB 33KB [ 207.303589] TCP 8KB 11KB [ 207.308935] hugetlbfs_inode_cache 1KB 3KB [ 207.314630] eventpoll_pwq 9KB 11KB [ 207.319976] eventpoll_epi 18KB 23KB [ 207.325324] inotify_inode_mark 2KB 3KB [ 207.330759] request_queue 32KB 41KB [ 207.336105] blkdev_ioc 23KB 27KB [ 207.341447] bio-0 607KB 607KB [ 207.346791] biovec-(1<<(21-12)) 849KB 849KB [ 207.352315] biovec-128 478KB 478KB [ 207.357662] biovec-64 375KB 378KB [ 207.363024] biovec-16 45KB 45KB [ 207.368368] bio_integrity_payload 0KB 4KB [ 207.374058] khugepaged_mm_slot 0KB 3KB [ 207.379494] uid_cache 0KB 3KB [ 207.384837] dmaengine-unmap-2 0KB 3KB [ 207.390180] skbuff_fclone_cache 238KB 240KB [ 207.395696] skbuff_head_cache 1664KB 1713KB [ 207.401042] configfs_dir_cache 0KB 4KB [ 207.406477] file_lock_cache 152KB 153KB [ 207.411839] file_lock_ctx 1KB 3KB [ 207.417186] fsnotify_mark_connector 1KB 3KB [ 207.423051] shmem_inode_cache 818KB 838KB [ 207.428395] task_delay_info 498KB 504KB [ 207.433741] taskstats 7KB 7KB [ 207.439087] sigqueue 305KB 318KB [ 207.444430] kernfs_node_cache 1810KB 1814KB [ 207.449775] mnt_cache 14KB 20KB [ 207.455117] filp 6935KB 7061KB [ 207.460461] names_cache 91409KB 91447KB [ 207.465811] avc_node 3KB 3KB [ 207.471153] selinux_file_security 345KB 379KB [ 207.476845] selinux_inode_security 2026KB 2039KB [ 207.482625] key_jar 3KB 7KB [ 207.487969] nsproxy 0KB 3KB [ 207.493319] vm_area_struct 16734KB 16868KB [ 207.498664] mm_struct 3609KB 3682KB [ 207.504023] fs_cache 350KB 500KB [ 207.509369] files_cache 1314KB 1545KB [ 207.514720] signal_cache 2199KB 2797KB [ 207.520064] sighand_cache 205KB 249KB [ 207.525408] task_struct 17456KB 17456KB [ 207.530752] cred_jar 2021KB 2108KB [ 207.536099] anon_vma_chain 6861KB 6985KB [ 207.541452] anon_vma 116KB 263KB [ 207.546800] pid 332KB 336KB [ 207.552143] Acpi-Operand 106KB 170KB [ 207.557498] Acpi-Namespace 19KB 23KB [ 207.562843] numa_policy 0KB 3KB [ 207.568186] trace_event_file 140KB 143KB [ 207.573530] ftrace_event_field 247KB 248KB [ 207.578965] pool_workqueue 10KB 12KB [ 207.584310] page->ptl 3034KB 3079KB [ 207.589670] kmalloc-262144 1032KB 1032KB [ 207.595027] kmalloc-131072 650KB 650KB [ 207.600380] kmalloc-65536 264KB 264KB [ 207.605725] kmalloc-32768 462KB 462KB [ 207.611068] kmalloc-16384 132KB 132KB [ 207.616413] kmalloc-8192 22332KB 22341KB [ 207.621758] kmalloc-4096 8083KB 8121KB [ 207.627103] kmalloc-2048 3958KB 3965KB [ 207.632446] kmalloc-1024 4496KB 4496KB [ 207.637792] kmalloc-512 2461KB 2730KB [ 207.643137] kmalloc-256 1080KB 1398KB [ 207.648489] kmalloc-128 354KB 417KB [ 207.653832] kmalloc-96 456KB 456KB [ 207.659175] kmalloc-64 556KB 556KB [ 207.664520] kmalloc-32 994KB 1279KB [ 207.669870] kmalloc-192 163KB 252KB [ 207.675213] kmem_cache 94KB 97KB [ 207.680563] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 207.689146] [ 1552] 0 1552 5344 126 86016 0 -1000 udevd [ 207.697278] [ 1668] 0 1668 5343 127 81920 0 -1000 udevd [ 207.705404] [ 2967] 0 2967 4725 48 86016 0 0 cron [ 207.713452] [ 2993] 0 2993 12490 153 135168 0 -1000 sshd [ 207.721495] [ 3017] 0 3017 3694 42 73728 0 0 getty [ 207.729622] [ 3018] 0 3018 3694 41 73728 0 0 getty [ 207.737749] [ 3019] 0 3019 3694 41 77824 0 0 getty [ 207.745874] [ 3020] 0 3020 3694 42 77824 0 0 getty [ 207.753998] [ 3021] 0 3021 3694 41 73728 0 0 getty [ 207.762126] [ 3022] 0 3022 3694 41 77824 0 0 getty [ 207.770270] [ 3023] 0 3023 3649 39 77824 0 0 getty [ 207.778402] [ 3024] 0 3024 5343 127 81920 0 -1000 udevd [ 207.786530] [ 3045] 0 3045 17821 197 184320 0 0 sshd [ 207.794571] [ 3047] 0 3047 300 1 32768 0 0 syzkaller208847 [ 207.803573] [ 3048] 0 3048 338385 0 724992 0 0 syzkaller208847 [ 207.812570] [ 3051] 0 3051 307650 0 663552 0 0 syzkaller208847 [ 207.821566] [ 3052] 0 3052 354777 0 757760 0 0 syzkaller208847 [ 207.830565] [ 3055] 0 3055 373218 0 794624 0 0 syzkaller208847 [ 207.839561] [ 3057] 0 3057 354777 0 757760 0 0 syzkaller208847 [ 207.848553] Out of memory: Kill process 3045 (sshd) score 0 or sacrifice child [ 207.855998] Killed process 3047 (syzkaller208847) total-vm:1200kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 208.380563] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 208.391713] init cpuset=/ mems_allowed=0 [ 208.395776] CPU: 0 PID: 1 Comm: init Not tainted 4.14.0-rc8-next-20171109+ #39 [ 208.403100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 208.412424] Call Trace: [ 208.414991] dump_stack+0x194/0x257 [ 208.418604] ? arch_local_irq_restore+0x53/0x53 [ 208.423254] ? dump_header+0x1d9/0xe0e [ 208.427123] dump_header+0x28e/0xe0e [ 208.430817] ? print_usage_bug+0x3f0/0x3f0 [ 208.435029] ? pagefault_out_of_memory+0x152/0x152 [ 208.439933] ? print_usage_bug+0x3f0/0x3f0 [ 208.444142] ? __lock_acquire+0x6e2/0x4840 [ 208.448361] ? check_noncircular+0x20/0x20 [ 208.452578] ? __lock_acquire+0x6e2/0x4840 [ 208.456790] ? find_held_lock+0x39/0x1d0 [ 208.460825] ? check_noncircular+0x20/0x20 [ 208.465036] ? find_held_lock+0x39/0x1d0 [ 208.469070] ? print_usage_bug+0x3f0/0x3f0 [ 208.473274] ? lock_downgrade+0x990/0x990 [ 208.477389] ? lock_acquire+0x1d5/0x580 [ 208.481341] ? ___ratelimit+0x152/0x630 [ 208.485295] ? lock_release+0xd90/0xd90 [ 208.489937] ? mark_held_locks+0xb2/0x100 [ 208.494057] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 208.499131] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 208.504113] ? trace_hardirqs_on+0xd/0x10 [ 208.508229] ? ___ratelimit+0x95/0x630 [ 208.512084] ? idr_get_free_cmn+0xfd0/0xfd0 [ 208.516372] ? find_held_lock+0x39/0x1d0 [ 208.520412] oom_kill_process+0x86d/0x13c0 [ 208.524614] ? check_noncircular+0x20/0x20 [ 208.528826] ? oom_evaluate_task+0x480/0x480 [ 208.533212] ? find_held_lock+0x39/0x1d0 [ 208.537241] ? check_noncircular+0x20/0x20 [ 208.541448] ? lock_downgrade+0x990/0x990 [ 208.545565] ? oom_unkillable_task+0x118/0x4c0 [ 208.550120] ? lock_release+0xd90/0xd90 [ 208.554061] ? do_try_to_free_pages+0xc53/0x1020 [ 208.558787] ? find_held_lock+0x39/0x1d0 [ 208.562832] ? lock_downgrade+0x990/0x990 [ 208.566944] ? oom_unkillable_task+0x33d/0x4c0 [ 208.571494] ? out_of_memory+0x881/0x11d0 [ 208.575611] ? oom_reaper+0x440/0x440 [ 208.579383] ? lock_release+0xd90/0xd90 [ 208.583328] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 208.588230] ? oom_evaluate_task+0x284/0x480 [ 208.592610] out_of_memory+0x7dc/0x11d0 [ 208.596550] ? trace_hardirqs_on+0xd/0x10 [ 208.600677] ? oom_killer_disable+0x310/0x310 [ 208.605137] ? mutex_trylock+0x23a/0x2d0 [ 208.609170] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 208.614586] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 208.620445] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 208.625290] ? warn_alloc+0x2f0/0x2f0 [ 208.629079] ? radix_tree_lookup_slot+0x99/0xe0 [ 208.633724] ? check_noncircular+0x20/0x20 [ 208.637923] ? find_get_entry+0x53c/0x9e0 [ 208.642051] ? reacquire_held_locks+0x205/0x3d0 [ 208.646687] ? alloc_set_pte+0x1102/0x1880 [ 208.650920] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 208.656778] ? __might_sleep+0x95/0x190 [ 208.660724] __alloc_pages_nodemask+0x9fb/0xd80 [ 208.665364] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 208.670346] ? add_to_page_cache_lru+0x510/0x510 [ 208.675073] ? check_noncircular+0x20/0x20 [ 208.679275] ? check_noncircular+0x20/0x20 [ 208.683475] ? __lock_acquire+0x6e2/0x4840 [ 208.687680] ? find_held_lock+0x39/0x1d0 [ 208.691716] ? lock_downgrade+0x990/0x990 [ 208.695836] alloc_pages_current+0xb6/0x1e0 [ 208.700129] __page_cache_alloc+0x334/0x500 [ 208.704420] ? rcu_read_lock_held+0xa9/0xc0 [ 208.708712] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 208.716047] filemap_fault+0xefc/0x1c20 [ 208.719998] ? __lock_page_or_retry+0x500/0x500 [ 208.724643] ? filemap_map_pages+0x942/0x15d0 [ 208.729101] ? check_noncircular+0x20/0x20 [ 208.733311] ? find_get_entries_tag+0xeb0/0xeb0 [ 208.737948] ? __lock_acquire+0x6e2/0x4840 [ 208.742150] ? check_noncircular+0x20/0x20 [ 208.746351] ? find_held_lock+0x39/0x1d0 [ 208.750386] ? print_usage_bug+0x3f0/0x3f0 [ 208.754587] ? print_usage_bug+0x3f0/0x3f0 [ 208.758797] ? print_usage_bug+0x3f0/0x3f0 [ 208.763007] ? lock_acquire+0x1d5/0x580 [ 208.766954] ? ext4_filemap_fault+0x7d/0xb0 [ 208.771247] ? lock_release+0xd90/0xd90 [ 208.775195] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 208.781043] ? __lock_acquire+0x6e2/0x4840 [ 208.785245] ? rcu_note_context_switch+0x710/0x710 [ 208.790144] ? __might_sleep+0x95/0x190 [ 208.794088] ? down_read+0x96/0x150 [ 208.797683] ? ext4_filemap_fault+0x7d/0xb0 [ 208.801971] ? __down_interruptible+0x6b0/0x6b0 [ 208.806610] ? lock_downgrade+0x990/0x990 [ 208.810729] ext4_filemap_fault+0x85/0xb0 [ 208.814842] __do_fault+0xeb/0x30f [ 208.818352] ? pte_offset_kernel+0xc7/0xc7 [ 208.822556] ? do_raw_spin_trylock+0x190/0x190 [ 208.827105] ? avc_has_perm+0xd0/0x680 [ 208.830986] __handle_mm_fault+0x1c7a/0x3ad0 [ 208.835369] ? __pmd_alloc+0x4e0/0x4e0 [ 208.839228] ? find_held_lock+0x39/0x1d0 [ 208.843266] ? lock_downgrade+0x990/0x990 [ 208.847384] ? __lock_is_held+0xbc/0x140 [ 208.851439] handle_mm_fault+0x334/0x8d0 [ 208.855464] ? down_read_trylock+0xdb/0x170 [ 208.859751] ? __do_page_fault+0x32d/0xc90 [ 208.863951] ? __handle_mm_fault+0x3ad0/0x3ad0 [ 208.868498] ? vmacache_find+0x5f/0x280 [ 208.872444] ? find_vma+0x30/0x150 [ 208.875954] __do_page_fault+0x5c9/0xc90 [ 208.879986] ? mm_fault_error+0x2c0/0x2c0 [ 208.884109] do_page_fault+0xee/0x720 [ 208.887875] ? vfs_statx_fd+0x6f/0x90 [ 208.891641] ? __do_page_fault+0xc90/0xc90 [ 208.895841] ? SYSC_newstat+0x99/0xf0 [ 208.899613] ? cp_new_stat+0xa40/0xa40 [ 208.903469] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 208.909326] ? entry_SYSCALL_64_fastpath+0x4b/0x96 [ 208.914226] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 208.919042] page_fault+0x22/0x30 [ 208.922462] RIP: 0033:0x7f4d7910ddc0 [ 208.926145] RSP: 002b:00007ffc6c7ec0a8 EFLAGS: 00010246 [ 208.931476] RAX: 0000000000000400 RBX: 00007ffc6c7ec250 RCX: 0000000000000000 [ 208.938713] RDX: 0000000000000000 RSI: 00007ffc6c7ec400 RDI: 000000000000000b [ 208.945951] RBP: 00007ffc6c7ec400 R08: 00007ffc6c7ec480 R09: 0000000000000001 [ 208.953189] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 208.960425] R13: 00007ffc6c7ec7e0 R14: 0000000000000000 R15: 0000000000000000 [ 208.967772] Mem-Info: [ 208.970252] active_anon:969 inactive_anon:33 isolated_anon:0 [ 208.970252] active_file:16 inactive_file:15 isolated_file:0 [ 208.970252] unevictable:0 dirty:0 writeback:0 unstable:0 [ 208.970252] slab_reclaimable:6034 slab_unreclaimable:84032 [ 208.970252] mapped:2 shmem:39 pagetables:1090 bounce:0 [ 208.970252] free:24379 free_pcp:0 free_cma:0 [ 209.035055] Node 0 active_anon:3876kB inactive_anon:132kB active_file:64kB inactive_file:60kB 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 [ 209.062929] 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 [ 209.089076] lowmem_reserve[]: 0 2882 6395 6395 [ 209.093696] Node 0 DMA32 free:44416kB min:30384kB low:37980kB high:45576kB active_anon:0kB inactive_anon:0kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:0kB present:3129332kB managed:2954076kB mlocked:0kB kernel_stack:2528kB pagetables:900kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 209.123042] lowmem_reserve[]: 0 0 3513 3513 [ 209.127396] Node 0 Normal free:36760kB min:37032kB low:46288kB high:55544kB active_anon:3876kB inactive_anon:132kB active_file:48kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3597656kB mlocked:0kB kernel_stack:8992kB pagetables:3460kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 209.155787] lowmem_reserve[]: 0 0 0 0 [ 209.159617] 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 [ 209.173262] Node 0 DMA32: 6*4kB (M) 9*8kB (ME) 8*16kB (UME) 7*32kB (UM) 5*64kB (ME) 7*128kB (ME) 5*256kB (ME) 3*512kB (UME) 3*1024kB (ME) 4*2048kB (UME) 7*4096kB (M) = 44416kB [ 209.189183] Node 0 Normal: 443*4kB (UM) 304*8kB (UM) 223*16kB (UME) 143*32kB (UME) 85*64kB (UM) 49*128kB (ME) 10*256kB (ME) 2*512kB (M) 3*1024kB (M) 3*2048kB (M) 0*4096kB = 36860kB [ 209.205530] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 209.214111] 70 total pagecache pages [ 209.217842] 0 pages in swap cache [ 209.221301] Swap cache stats: add 0, delete 0, find 0/0 [ 209.226667] Free swap = 0kB [ 209.229688] Total swap = 0kB [ 209.232710] 1965979 pages RAM [ 209.235817] 0 pages HighMem/MovableOnly [ 209.239796] 324069 pages reserved [ 209.243255] Unreclaimable slab info: [ 209.246972] Name Used Total [ 209.252521] TIPC 1KB 7KB [ 209.257897] SCTPv6 2KB 6KB [ 209.263284] DCCPv6 2KB 7KB [ 209.268656] DCCP 2KB 7KB [ 209.274059] fib6_nodes 0KB 4KB [ 209.279430] ip6_dst_cache 7KB 11KB [ 209.284800] RAWv6 10KB 20KB [ 209.290173] UDPv6 13KB 15KB [ 209.295544] TCPv6 2KB 5KB [ 209.300922] sd_ext_cdb 0KB 3KB [ 209.306293] scsi_sense_cache 220KB 220KB [ 209.311664] virtio_scsi_cmd 16KB 16KB [ 209.317050] sgpool-128 8KB 8KB [ 209.322422] sgpool-64 4KB 6KB [ 209.327793] sgpool-32 693KB 693KB [ 209.333166] sgpool-16 105KB 105KB [ 209.338536] sgpool-8 303KB 303KB [ 209.343909] cfq_io_cq 16KB 19KB [ 209.349284] cfq_queue 26KB 30KB [ 209.354648] mqueue_inode_cache 1KB 7KB [ 209.360104] nfs_commit_data 3KB 3KB [ 209.365476] nfs_write_data 34KB 37KB [ 209.370849] jbd2_inode 1KB 3KB [ 209.376222] ext4_system_zone 0KB 3KB [ 209.381602] bio-1 1KB 3KB [ 209.386982] rpc_buffers 17KB 19KB [ 209.392359] rpc_tasks 2KB 3KB [ 209.397727] UNIX 444KB 450KB [ 209.403101] tcp_bind_bucket 0KB 4KB [ 209.408474] ip_fib_trie 0KB 3KB [ 209.413841] ip_fib_alias 0KB 3KB [ 209.419214] ip_dst_cache 4KB 7KB [ 209.424588] RAW 6KB 7KB [ 209.429955] UDP 32KB 33KB [ 209.435333] TCP 8KB 11KB [ 209.440704] hugetlbfs_inode_cache 1KB 3KB [ 209.446421] eventpoll_pwq 9KB 11KB [ 209.451794] eventpoll_epi 18KB 23KB [ 209.457162] inotify_inode_mark 2KB 3KB [ 209.462620] request_queue 32KB 41KB [ 209.467991] blkdev_ioc 23KB 27KB [ 209.473364] bio-0 630KB 630KB [ 209.478740] biovec-(1<<(21-12)) 849KB 849KB [ 209.484284] biovec-128 510KB 510KB [ 209.489651] biovec-64 369KB 378KB [ 209.495036] biovec-16 52KB 52KB [ 209.500406] bio_integrity_payload 0KB 4KB [ 209.506122] khugepaged_mm_slot 0KB 3KB [ 209.511582] uid_cache 0KB 3KB [ 209.516952] dmaengine-unmap-2 0KB 3KB [ 209.522329] skbuff_fclone_cache 238KB 240KB [ 209.527874] skbuff_head_cache 1660KB 1713KB [ 209.533244] configfs_dir_cache 0KB 4KB [ 209.538702] file_lock_cache 152KB 153KB [ 209.544071] file_lock_ctx 1KB 3KB [ 209.549438] fsnotify_mark_connector 1KB 3KB [ 209.555335] shmem_inode_cache 818KB 838KB [ 209.560703] task_delay_info 498KB 504KB [ 209.566074] taskstats 7KB 7KB [ 209.571445] sigqueue 303KB 318KB [ 209.576818] kernfs_node_cache 1810KB 1814KB [ 209.582185] mnt_cache 14KB 20KB [ 209.587557] filp 6921KB 7042KB [ 209.592925] names_cache 91400KB 91438KB [ 209.598301] avc_node 3KB 3KB [ 209.603674] selinux_file_security 344KB 379KB [ 209.609398] selinux_inode_security 2026KB 2039KB [ 209.615203] key_jar 3KB 7KB [ 209.620572] nsproxy 0KB 3KB [ 209.625943] vm_area_struct 16730KB 16868KB [ 209.631320] mm_struct 3601KB 3682KB [ 209.636690] fs_cache 350KB 496KB [ 209.642060] files_cache 1312KB 1545KB [ 209.647428] signal_cache 2197KB 2797KB [ 209.652796] sighand_cache 203KB 249KB [ 209.658165] task_struct 17449KB 17456KB [ 209.663533] cred_jar 2019KB 2108KB [ 209.668900] anon_vma_chain 6858KB 6985KB [ 209.674273] anon_vma 110KB 259KB [ 209.679641] pid 332KB 336KB [ 209.685035] Acpi-Operand 106KB 170KB [ 209.690409] Acpi-Namespace 19KB 23KB [ 209.695778] numa_policy 0KB 3KB [ 209.701151] trace_event_file 140KB 143KB [ 209.706522] ftrace_event_field 247KB 248KB [ 209.711981] pool_workqueue 10KB 12KB [ 209.717354] page->ptl 3031KB 3079KB [ 209.722748] kmalloc-262144 1032KB 1032KB [ 209.728118] kmalloc-131072 650KB 650KB [ 209.733491] kmalloc-65536 264KB 264KB [ 209.738865] kmalloc-32768 462KB 462KB [ 209.744232] kmalloc-16384 132KB 132KB [ 209.749601] kmalloc-8192 22316KB 22341KB [ 209.754970] kmalloc-4096 8066KB 8104KB [ 209.760397] kmalloc-2048 3958KB 3965KB [ 209.765767] kmalloc-1024 4567KB 4567KB [ 209.771139] kmalloc-512 2453KB 2726KB [ 209.776513] kmalloc-256 1077KB 1395KB [ 209.781885] kmalloc-128 352KB 413KB [ 209.787254] kmalloc-96 456KB 456KB [ 209.792624] kmalloc-64 556KB 556KB [ 209.797996] kmalloc-32 994KB 1279KB [ 209.803368] kmalloc-192 163KB 252KB [ 209.808768] kmem_cache 94KB 97KB [ 209.814146] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 209.822758] [ 1552] 0 1552 5344 126 86016 0 -1000 udevd [ 209.830920] [ 1668] 0 1668 5343 127 81920 0 -1000 udevd [ 209.839078] [ 2967] 0 2967 4725 48 86016 0 0 cron [ 209.847153] [ 2993] 0 2993 12490 153 135168 0 -1000 sshd [ 209.855223] [ 3017] 0 3017 3694 42 73728 0 0 getty [ 209.863382] [ 3018] 0 3018 3694 41 73728 0 0 getty [ 209.871548] [ 3019] 0 3019 3694 41 77824 0 0 getty [ 209.879707] [ 3020] 0 3020 3694 42 77824 0 0 getty [ 209.887866] [ 3021] 0 3021 3694 41 73728 0 0 getty [ 209.896047] [ 3022] 0 3022 3694 41 77824 0 0 getty [ 209.904208] [ 3023] 0 3023 3649 39 77824 0 0 getty [ 209.912358] [ 3024] 0 3024 5343 127 81920 0 -1000 udevd [ 209.920511] [ 3045] 0 3045 17821 197 184320 0 0 sshd [ 209.928585] [ 3048] 0 3048 338385 0 724992 0 0 syzkaller208847 [ 209.937606] [ 3051] 0 3051 307650 0 663552 0 0 syzkaller208847 [ 209.946630] [ 3052] 0 3052 354777 0 757760 0 0 syzkaller208847 [ 209.955653] [ 3055] 0 3055 373218 0 794624 0 0 syzkaller208847 [ 209.964678] [ 3057] 0 3057 354777 0 757760 0 0 syzkaller208847 [ 209.973700] Out of memory: Kill process 3045 (sshd) score 0 or sacrifice child Connection to ci-upstream-next-kasan-gce-6 closed by remote host. [ 209.981157] Killed process 3045 (sshd) total-vm:71284kB, anon-rss:784kB, file-rss:0kB, shmem