[....] Starting enhanced syslogd: rsyslogd[ 10.520569] audit: type=1400 audit(1514651092.530:5): avc: denied { syslog } for pid=2998 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 15.775698] audit: type=1400 audit(1514651097.785:6): avc: denied { map } for pid=3139 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.15.216' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 338.602161] audit: type=1400 audit(1514651420.611:7): avc: denied { map } for pid=3157 comm="syzkaller136190" path="/root/syzkaller136190555" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 338.699376] audit: type=1400 audit(1514651420.617:8): avc: denied { map_create } for pid=3165 comm="syzkaller136190" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 455.763760] kworker/1:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 455.775927] kworker/1:1 cpuset=/ mems_allowed=0 [ 455.780817] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.15.0-rc4-mm1+ #49 [ 455.787978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 455.797381] Workqueue: events pcpu_balance_workfn [ 455.802195] Call Trace: [ 455.804785] dump_stack+0x194/0x257 [ 455.808394] ? arch_local_irq_restore+0x53/0x53 [ 455.813092] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 455.818298] dump_header+0x28c/0xe2b [ 455.821999] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 455.827168] ? pagefault_out_of_memory+0x145/0x145 [ 455.832085] ? print_irqtrace_events+0x270/0x270 [ 455.836876] ? avc_has_perm_noaudit+0x37e/0x520 [ 455.841523] ? check_noncircular+0x20/0x20 [ 455.845744] ? reacquire_held_locks+0x1f9/0x3e0 [ 455.850389] ? reacquire_held_locks+0x1f9/0x3e0 [ 455.855038] ? check_noncircular+0x20/0x20 [ 455.859243] ? task_will_free_mem+0x252/0xaa0 [ 455.863711] ? check_noncircular+0x20/0x20 [ 455.867920] ? print_irqtrace_events+0x270/0x270 [ 455.872665] ? ___ratelimit+0x30d/0x630 [ 455.876622] ? lock_downgrade+0x980/0x980 [ 455.880752] ? lock_release+0xa40/0xa40 [ 455.884713] ? mark_held_locks+0xaf/0x100 [ 455.888837] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 455.893912] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 455.898900] ? trace_hardirqs_on+0xd/0x10 [ 455.903022] ? ___ratelimit+0x95/0x630 [ 455.906879] ? idr_get_free_cmn+0xfd0/0xfd0 [ 455.911173] ? check_noncircular+0x20/0x20 [ 455.915386] oom_kill_process+0x81b/0x9f0 [ 455.919503] ? oom_badness+0xd1/0x980 [ 455.923272] ? lock_release+0xa40/0xa40 [ 455.927220] ? oom_kill_memcg_member+0x20/0x20 [ 455.931778] ? oom_evaluate_task+0x480/0x480 [ 455.936178] ? out_of_memory+0xe1c/0x1790 [ 455.940314] ? lock_downgrade+0x980/0x980 [ 455.944450] ? lock_release+0xa40/0xa40 [ 455.948465] ? find_next_bit+0xcc/0x100 [ 455.952453] ? blocking_notifier_call_chain+0x112/0x190 [ 455.957803] ? oom_evaluate_task+0x284/0x480 [ 455.962204] out_of_memory+0x9d5/0x1790 [ 455.966179] ? oom_killer_disable+0x310/0x310 [ 455.970668] ? mutex_trylock+0x23a/0x2d0 [ 455.974747] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 455.979652] ? __lock_is_held+0xb6/0x140 [ 455.983686] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 455.989124] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 455.993965] ? warn_alloc+0x2b0/0x2b0 [ 455.997739] ? lock_release+0xa40/0xa40 [ 456.001691] ? print_irqtrace_events+0x270/0x270 [ 456.006436] ? lock_release+0xa40/0xa40 [ 456.010403] ? mutex_spin_on_owner+0x446/0xb50 [ 456.014974] ? __lock_acquire+0x664/0x3e00 [ 456.019219] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 456.025105] ? __lock_is_held+0xb6/0x140 [ 456.029150] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 456.035013] ? __might_sleep+0x95/0x190 [ 456.038963] __alloc_pages_nodemask+0x9fb/0xd80 [ 456.043609] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 456.048603] ? __lock_acquire+0x664/0x3e00 [ 456.052819] ? __lock_acquire+0x664/0x3e00 [ 456.057028] ? print_irqtrace_events+0x270/0x270 [ 456.061759] ? __lock_is_held+0xb6/0x140 [ 456.065797] ? find_next_bit+0xcc/0x100 [ 456.069752] pcpu_populate_chunk+0x1b3/0x880 [ 456.074142] ? find_next_bit+0xb7/0x100 [ 456.078116] pcpu_balance_workfn+0xf3e/0x1520 [ 456.082598] ? check_noncircular+0x20/0x20 [ 456.086816] ? find_held_lock+0x35/0x1d0 [ 456.090870] ? pcpu_create_chunk+0x900/0x900 [ 456.095251] ? lock_release+0xa40/0xa40 [ 456.099207] ? check_noncircular+0x20/0x20 [ 456.103420] ? lock_acquire+0x1d5/0x580 [ 456.107366] ? lock_acquire+0x1d5/0x580 [ 456.111361] ? process_one_work+0xb01/0x1af0 [ 456.115758] ? __lock_is_held+0xb6/0x140 [ 456.119810] process_one_work+0xbbf/0x1af0 [ 456.124041] ? trace_hardirqs_on+0xd/0x10 [ 456.128195] ? pwq_dec_nr_in_flight+0x450/0x450 [ 456.132855] ? __schedule+0x8f3/0x2060 [ 456.136719] ? update_curr+0x2e3/0xa60 [ 456.140613] ? check_noncircular+0x20/0x20 [ 456.144831] ? retint_kernel+0x10/0x10 [ 456.148704] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 456.153756] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 456.158530] ? lock_acquire+0x1d5/0x580 [ 456.162488] ? lock_acquire+0x1d5/0x580 [ 456.166448] ? worker_thread+0x4a3/0x1990 [ 456.170578] ? lock_downgrade+0x980/0x980 [ 456.174715] ? lock_release+0xa40/0xa40 [ 456.178671] ? retint_kernel+0x10/0x10 [ 456.182549] ? do_raw_spin_trylock+0x190/0x190 [ 456.187122] worker_thread+0x223/0x1990 [ 456.191086] ? process_one_work+0x1af0/0x1af0 [ 456.195556] ? _raw_spin_unlock_irq+0x27/0x70 [ 456.200035] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 456.205030] ? trace_hardirqs_on+0xd/0x10 [ 456.209180] ? mmdrop+0x18/0x30 [ 456.212440] ? finish_task_switch+0x1f6/0x740 [ 456.216916] ? copy_overflow+0x20/0x20 [ 456.220793] ? __schedule+0x8f3/0x2060 [ 456.224702] ? find_held_lock+0x35/0x1d0 [ 456.228753] ? find_held_lock+0x35/0x1d0 [ 456.232793] ? complete+0x62/0x80 [ 456.236257] ? __schedule+0x2060/0x2060 [ 456.240214] ? do_wait_intr_irq+0x3e0/0x3e0 [ 456.244517] ? __lockdep_init_map+0xe4/0x650 [ 456.248904] ? do_raw_spin_trylock+0x190/0x190 [ 456.253467] ? lockdep_init_map+0x9/0x10 [ 456.257506] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 456.262592] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 456.267588] ? trace_hardirqs_on+0xd/0x10 [ 456.271707] ? __kthread_parkme+0x175/0x240 [ 456.276006] kthread+0x33c/0x400 [ 456.279351] ? process_one_work+0x1af0/0x1af0 [ 456.283813] ? kthread_stop+0x7a0/0x7a0 [ 456.287760] ret_from_fork+0x24/0x30 [ 456.291532] Mem-Info: [ 456.293948] active_anon:7871 inactive_anon:33 isolated_anon:0 [ 456.293948] active_file:16 inactive_file:15 isolated_file:0 [ 456.293948] unevictable:0 dirty:0 writeback:0 unstable:0 [ 456.293948] slab_reclaimable:7226 slab_unreclaimable:83755 [ 456.293948] mapped:2 shmem:40 pagetables:347 bounce:0 [ 456.293948] free:23997 free_pcp:591 free_cma:0 [ 456.326085] Node 0 active_anon:31484kB inactive_anon:132kB active_file:64kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 456.352988] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 456.379155] lowmem_reserve[]: 0 2875 6386 6386 [ 456.383773] Node 0 DMA32 free:43392kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:844kB local_pcp:800kB free_cma:0kB [ 456.411288] lowmem_reserve[]: 0 0 3510 3510 [ 456.415648] Node 0 Normal free:36688kB min:37064kB low:46328kB high:55592kB active_anon:31484kB inactive_anon:132kB active_file:64kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1388kB bounce:0kB free_pcp:1520kB local_pcp:732kB free_cma:0kB [ 456.444576] lowmem_reserve[]: 0 0 0 0 [ 456.448387] 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 [ 456.462028] Node 0 DMA32: 2*4kB (M) 3*8kB (UM) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 5*256kB (UM) 3*512kB (M) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 43392kB [ 456.477208] Node 0 Normal: 630*4kB (UME) 494*8kB (UME) 255*16kB (UM) 135*32kB (M) 100*64kB (UM) 39*128kB (M) 29*256kB (M) 6*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36760kB [ 456.492762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 456.501352] 71 total pagecache pages [ 456.505080] 0 pages in swap cache [ 456.508527] Swap cache stats: add 0, delete 0, find 0/0 [ 456.513889] Free swap = 0kB [ 456.516904] Total swap = 0kB [ 456.519911] 1965979 pages RAM [ 456.523000] 0 pages HighMem/MovableOnly [ 456.526992] 326511 pages reserved [ 456.530486] Unreclaimable slab info: [ 456.534241] Name Used Total [ 456.539833] hashtab_node 118KB 119KB [ 456.545203] ebitmap_node 382KB 385KB [ 456.550564] avtab_node 1012KB 1013KB [ 456.555915] TIPC 1KB 7KB [ 456.561288] SCTPv6 2KB 4KB [ 456.566655] DCCPv6 2KB 7KB [ 456.572030] DCCP 2KB 6KB [ 456.577416] fib6_nodes 0KB 4KB [ 456.582775] ip6_dst_cache 6KB 11KB [ 456.588132] RAWv6 9KB 13KB [ 456.593501] UDPv6 12KB 14KB [ 456.598861] TCPv6 2KB 5KB [ 456.604227] sd_ext_cdb 0KB 3KB [ 456.609591] scsi_sense_cache 87KB 112KB [ 456.614953] virtio_scsi_cmd 16KB 16KB [ 456.620307] sgpool-128 8KB 8KB [ 456.625719] sgpool-64 4KB 6KB [ 456.631089] sgpool-32 67KB 70KB [ 456.636450] sgpool-16 16KB 22KB [ 456.641817] sgpool-8 186KB 191KB [ 456.647192] cfq_io_cq 15KB 19KB [ 456.652550] cfq_queue 24KB 30KB [ 456.657899] mqueue_inode_cache 1KB 7KB [ 456.663350] nfs_commit_data 3KB 7KB [ 456.668706] nfs_write_data 34KB 37KB [ 456.674059] jbd2_inode 1KB 3KB [ 456.679443] ext4_system_zone 0KB 3KB [ 456.684809] bio-1 1KB 3KB [ 456.690212] rpc_buffers 17KB 19KB [ 456.695576] rpc_tasks 2KB 3KB [ 456.700938] UNIX 1573KB 1578KB [ 456.706292] tcp_bind_bucket 0KB 4KB [ 456.711700] ip_fib_trie 0KB 3KB [ 456.717071] ip_fib_alias 0KB 3KB [ 456.722440] ip_dst_cache 3KB 8KB [ 456.727795] RAW 5KB 7KB [ 456.733167] UDP 29KB 31KB [ 456.738536] TCP 7KB 7KB [ 456.743890] hugetlbfs_inode_cache 1KB 7KB [ 456.749603] eventpoll_pwq 11KB 15KB [ 456.754963] eventpoll_epi 21KB 27KB [ 456.760315] inotify_inode_mark 4KB 7KB [ 456.765757] request_queue 31KB 39KB [ 456.771122] blkdev_ioc 20KB 27KB [ 456.776481] bio-0 303KB 315KB [ 456.781829] biovec-(1<<(21-12)) 478KB 478KB [ 456.787368] biovec-128 46KB 51KB [ 456.792724] biovec-64 19KB 31KB [ 456.798076] biovec-16 7KB 11KB [ 456.803440] bio_integrity_payload 0KB 4KB [ 456.809160] khugepaged_mm_slot 0KB 3KB [ 456.814610] uid_cache 0KB 3KB [ 456.819960] dmaengine-unmap-2 0KB 3KB [ 456.825329] audit_buffer 0KB 3KB [ 456.830691] skbuff_fclone_cache 130KB 131KB [ 456.836225] skbuff_head_cache 1846KB 1860KB [ 456.841591] configfs_dir_cache 0KB 4KB [ 456.847052] file_lock_cache 149KB 150KB [ 456.852414] file_lock_ctx 1KB 3KB [ 456.857766] fsnotify_mark_connector 2KB 3KB [ 456.863661] shmem_inode_cache 877KB 879KB [ 456.869044] task_delay_info 275KB 399KB [ 456.874414] sigqueue 309KB 318KB [ 456.879774] kernfs_node_cache 1840KB 1842KB [ 456.885144] mnt_cache 14KB 16KB [ 456.890508] filp 8131KB 8160KB [ 456.895862] names_cache 115527KB 115557KB [ 456.901235] avc_node 37KB 39KB [ 456.906598] selinux_file_security 406KB 410KB [ 456.912311] selinux_inode_security 1908KB 1912KB [ 456.918102] key_jar 3KB 7KB [ 456.923474] nsproxy 0KB 3KB [ 456.928846] vm_area_struct 16993KB 17000KB [ 456.934203] mm_struct 3939KB 3976KB [ 456.939572] fs_cache 366KB 484KB [ 456.944934] files_cache 1373KB 1605KB [ 456.950293] signal_cache 2197KB 2573KB [ 456.955666] sighand_cache 201KB 263KB [ 456.961048] task_struct 9383KB 9383KB [ 456.966411] cred_jar 2198KB 2212KB [ 456.971762] anon_vma_chain 6959KB 6965KB [ 456.977131] anon_vma 144KB 288KB [ 456.982491] pid 191KB 292KB [ 456.987858] Acpi-Operand 106KB 166KB [ 456.993234] Acpi-Namespace 19KB 23KB [ 456.998607] numa_policy 0KB 3KB [ 457.003967] debug_objects_cache 434KB 434KB [ 457.009508] trace_event_file 144KB 147KB [ 457.014877] ftrace_event_field 254KB 255KB [ 457.020319] pool_workqueue 21KB 24KB [ 457.025686] page->ptl 2741KB 2743KB [ 457.031082] kmalloc-262144 1032KB 1032KB [ 457.036443] kmalloc-131072 650KB 650KB [ 457.041796] kmalloc-65536 264KB 264KB [ 457.047163] kmalloc-32768 462KB 462KB [ 457.052524] kmalloc-16384 148KB 148KB [ 457.057876] kmalloc-8192 412KB 412KB [ 457.063246] kmalloc-4096 8117KB 8147KB [ 457.068609] kmalloc-2048 2977KB 2983KB [ 457.073966] kmalloc-1024 3519KB 3567KB [ 457.079335] kmalloc-512 2987KB 3232KB [ 457.084692] kmalloc-256 1523KB 1845KB [ 457.090047] kmalloc-128 394KB 500KB [ 457.095415] kmalloc-96 1920KB 1920KB [ 457.100776] kmalloc-64 2320KB 2320KB [ 457.106146] kmalloc-32 2291KB 2291KB [ 457.111604] kmalloc-192 800KB 800KB [ 457.116964] kmem_cache 96KB 101KB [ 457.122329] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 457.131000] [ 1607] 0 1607 5383 173 90112 0 -1000 udevd [ 457.139277] [ 2865] 0 2865 2493 573 57344 0 0 dhclient [ 457.147697] [ 2998] 0 2998 30625 110 122880 0 0 rsyslogd [ 457.156119] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 457.164184] [ 3071] 0 3071 3735 44 69632 0 0 mcstransd [ 457.172684] [ 3081] 0 3081 12927 1228 139264 0 0 restorecond [ 457.181369] [ 3090] 0 3090 12490 152 139264 0 -1000 sshd [ 457.189426] [ 3124] 0 3124 3694 39 73728 0 0 getty [ 457.197584] [ 3125] 0 3125 3694 42 77824 0 0 getty [ 457.205747] [ 3126] 0 3126 3694 42 73728 0 0 getty [ 457.213908] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 457.222083] [ 3128] 0 3128 3694 40 77824 0 0 getty [ 457.230243] [ 3129] 0 3129 3694 42 77824 0 0 getty [ 457.238399] [ 3130] 0 3130 3649 39 77824 0 0 getty [ 457.246564] [ 3134] 0 3134 5681 454 86016 0 -1000 udevd [ 457.254727] [ 3135] 0 3135 5681 454 86016 0 -1000 udevd [ 457.262889] [ 3155] 0 3155 17821 198 184320 0 0 sshd [ 457.270963] [ 3157] 0 3157 280 1 32768 0 0 syzkaller136190 [ 457.279981] [ 3158] 0 3158 4371 522 36864 0 0 syzkaller136190 [ 457.289044] [ 3159] 0 3159 4371 522 36864 0 0 syzkaller136190 [ 457.298464] [ 3160] 0 3160 4371 522 36864 0 0 syzkaller136190 [ 457.307478] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller136190 [ 457.316502] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller136190 [ 457.325513] [ 3163] 0 3163 4371 522 36864 0 0 syzkaller136190 [ 457.334543] [ 3164] 0 3164 4371 522 36864 0 0 syzkaller136190 [ 457.343562] [ 3165] 0 3165 4371 522 36864 0 0 syzkaller136190 [ 457.352598] Out of memory: Kill process 3081 (restorecond) score 0 or sacrifice child [ 457.361019] Killed process 3081 (restorecond) total-vm:51708kB, anon-rss:4912kB, file-rss:0kB, shmem-rss:0kB [ 457.493920] kworker/1:2 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 457.505957] kworker/1:2 cpuset=/ mems_allowed=0 [ 457.510649] CPU: 1 PID: 3166 Comm: kworker/1:2 Not tainted 4.15.0-rc4-mm1+ #49 [ 457.517975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 457.527301] Workqueue: events pcpu_balance_workfn [ 457.532116] Call Trace: [ 457.534671] dump_stack+0x194/0x257 [ 457.538265] ? arch_local_irq_restore+0x53/0x53 [ 457.542919] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 457.548108] dump_header+0x28c/0xe2b [ 457.551816] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 457.556986] ? pagefault_out_of_memory+0x145/0x145 [ 457.561888] ? print_irqtrace_events+0x270/0x270 [ 457.566616] ? avc_has_perm_noaudit+0x37e/0x520 [ 457.571254] ? check_noncircular+0x20/0x20 [ 457.575456] ? check_noncircular+0x20/0x20 [ 457.579744] ? print_irqtrace_events+0x270/0x270 [ 457.584558] ? reacquire_held_locks+0x1f9/0x3e0 [ 457.589196] ? reacquire_held_locks+0x1f9/0x3e0 [ 457.593835] ? check_noncircular+0x20/0x20 [ 457.598036] ? task_will_free_mem+0x252/0xaa0 [ 457.602503] ? check_noncircular+0x20/0x20 [ 457.606707] ? print_irqtrace_events+0x270/0x270 [ 457.611439] ? ___ratelimit+0x30d/0x630 [ 457.615379] ? lock_downgrade+0x980/0x980 [ 457.619499] ? lock_release+0xa40/0xa40 [ 457.623445] ? mark_held_locks+0xaf/0x100 [ 457.627561] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 457.632633] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 457.637615] ? trace_hardirqs_on+0xd/0x10 [ 457.641734] ? ___ratelimit+0x95/0x630 [ 457.645588] ? idr_get_free_cmn+0xfd0/0xfd0 [ 457.649876] ? check_noncircular+0x20/0x20 [ 457.654090] oom_kill_process+0x81b/0x9f0 [ 457.658205] ? oom_badness+0xd1/0x980 [ 457.661977] ? lock_release+0xa40/0xa40 [ 457.665922] ? oom_kill_memcg_member+0x20/0x20 [ 457.670474] ? oom_evaluate_task+0x480/0x480 [ 457.674855] ? out_of_memory+0xe1c/0x1790 [ 457.678970] ? lock_downgrade+0x980/0x980 [ 457.683089] ? lock_release+0xa40/0xa40 [ 457.687030] ? find_next_bit+0xcc/0x100 [ 457.690970] ? blocking_notifier_call_chain+0x112/0x190 [ 457.696307] ? oom_evaluate_task+0x284/0x480 [ 457.700684] out_of_memory+0x9d5/0x1790 [ 457.704633] ? oom_killer_disable+0x310/0x310 [ 457.709098] ? mutex_trylock+0x23a/0x2d0 [ 457.713124] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 457.718025] ? __lock_is_held+0xb6/0x140 [ 457.722057] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 457.727481] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 457.732321] ? warn_alloc+0x2b0/0x2b0 [ 457.736088] ? check_noncircular+0x20/0x20 [ 457.740296] ? print_irqtrace_events+0x270/0x270 [ 457.745026] ? lock_release+0xa40/0xa40 [ 457.748971] ? lock_pin_lock+0x360/0x360 [ 457.753007] ? lock_acquire+0x1d5/0x580 [ 457.756953] ? lock_acquire+0x1d5/0x580 [ 457.760899] ? __lock_acquire+0x664/0x3e00 [ 457.765105] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 457.770957] ? lock_release+0xa40/0xa40 [ 457.774916] ? __lock_is_held+0xb6/0x140 [ 457.778957] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 457.784816] ? __might_sleep+0x95/0x190 [ 457.788763] __alloc_pages_nodemask+0x9fb/0xd80 [ 457.793400] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 457.798564] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 457.803544] ? __lock_acquire+0x664/0x3e00 [ 457.807749] ? __lock_acquire+0x664/0x3e00 [ 457.811954] ? print_irqtrace_events+0x270/0x270 [ 457.816680] ? __lock_is_held+0xb6/0x140 [ 457.820713] ? find_next_bit+0xcc/0x100 [ 457.824660] pcpu_populate_chunk+0x1b3/0x880 [ 457.829043] ? find_next_bit+0xb7/0x100 [ 457.832992] pcpu_balance_workfn+0xf3e/0x1520 [ 457.837462] ? check_noncircular+0x20/0x20 [ 457.841662] ? find_held_lock+0x35/0x1d0 [ 457.845699] ? pcpu_create_chunk+0x900/0x900 [ 457.850076] ? lock_release+0xa40/0xa40 [ 457.854029] ? check_noncircular+0x20/0x20 [ 457.858241] ? lock_acquire+0x1d5/0x580 [ 457.862180] ? lock_acquire+0x1d5/0x580 [ 457.866122] ? process_one_work+0xb01/0x1af0 [ 457.870509] ? __lock_is_held+0xb6/0x140 [ 457.874552] process_one_work+0xbbf/0x1af0 [ 457.878751] ? trace_hardirqs_on+0xd/0x10 [ 457.882876] ? pwq_dec_nr_in_flight+0x450/0x450 [ 457.887521] ? __schedule+0x8f3/0x2060 [ 457.891385] ? check_noncircular+0x20/0x20 [ 457.895603] ? account_entity_enqueue+0x3c8/0x6e0 [ 457.900431] ? lock_acquire+0x1d5/0x580 [ 457.904369] ? lock_acquire+0x1d5/0x580 [ 457.908310] ? worker_thread+0x4a3/0x1990 [ 457.912426] ? lock_downgrade+0x980/0x980 [ 457.916546] ? lock_release+0xa40/0xa40 [ 457.920490] ? do_raw_spin_trylock+0x190/0x190 [ 457.925041] ? __update_idle_core+0x305/0x600 [ 457.929513] worker_thread+0x223/0x1990 [ 457.933473] ? process_one_work+0x1af0/0x1af0 [ 457.937939] ? _raw_spin_unlock_irq+0x27/0x70 [ 457.942400] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 457.947384] ? trace_hardirqs_on+0xd/0x10 [ 457.951499] ? mmdrop+0x18/0x30 [ 457.954744] ? finish_task_switch+0x1f6/0x740 [ 457.959210] ? copy_overflow+0x20/0x20 [ 457.963076] ? __schedule+0x8f3/0x2060 [ 457.966950] ? find_held_lock+0x35/0x1d0 [ 457.970983] ? find_held_lock+0x35/0x1d0 [ 457.975028] ? complete+0x62/0x80 [ 457.978460] ? __schedule+0x2060/0x2060 [ 457.982400] ? do_wait_intr_irq+0x3e0/0x3e0 [ 457.986687] ? __lockdep_init_map+0xe4/0x650 [ 457.991062] ? do_raw_spin_trylock+0x190/0x190 [ 457.995608] ? lockdep_init_map+0x9/0x10 [ 457.999636] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 458.004707] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 458.009692] ? trace_hardirqs_on+0xd/0x10 [ 458.013807] ? __kthread_parkme+0x175/0x240 [ 458.018097] kthread+0x33c/0x400 [ 458.021430] ? process_one_work+0x1af0/0x1af0 [ 458.025897] ? kthread_stop+0x7a0/0x7a0 [ 458.029844] ret_from_fork+0x24/0x30 [ 458.033614] Mem-Info: [ 458.036056] active_anon:6640 inactive_anon:33 isolated_anon:0 [ 458.036056] active_file:0 inactive_file:9 isolated_file:0 [ 458.036056] unevictable:0 dirty:0 writeback:0 unstable:0 [ 458.036056] slab_reclaimable:7225 slab_unreclaimable:83764 [ 458.036056] mapped:2 shmem:40 pagetables:319 bounce:0 [ 458.036056] free:24306 free_pcp:225 free_cma:0 [ 458.068058] Node 0 active_anon:26560kB inactive_anon:132kB active_file:92kB inactive_file:456kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 458.094967] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 458.121092] lowmem_reserve[]: 0 2875 6386 6386 [ 458.125683] Node 0 DMA32 free:44236kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 458.152845] lowmem_reserve[]: 0 0 3510 3510 [ 458.157174] Node 0 Normal free:36824kB min:37064kB low:46328kB high:55592kB active_anon:26560kB inactive_anon:132kB active_file:92kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2912kB pagetables:1276kB bounce:0kB free_pcp:1152kB local_pcp:484kB free_cma:0kB [ 458.185985] lowmem_reserve[]: 0 0 0 0 [ 458.189824] 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 [ 458.203400] Node 0 DMA32: 3*4kB (UM) 2*8kB (M) 3*16kB (M) 4*32kB (UM) 2*64kB (M) 3*128kB (UM) 4*256kB (UM) 3*512kB (M) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44236kB [ 458.218635] Node 0 Normal: 430*4kB (UME) 420*8kB (ME) 268*16kB (UM) 178*32kB (M) 118*64kB (UM) 47*128kB (M) 30*256kB (UM) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 36824kB [ 458.234046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 458.242615] 83 total pagecache pages [ 458.246330] 0 pages in swap cache [ 458.249773] Swap cache stats: add 0, delete 0, find 0/0 [ 458.255123] Free swap = 0kB [ 458.258127] Total swap = 0kB [ 458.261132] 1965979 pages RAM [ 458.264232] 0 pages HighMem/MovableOnly [ 458.268188] 326511 pages reserved [ 458.271625] Unreclaimable slab info: [ 458.275323] Name Used Total [ 458.280849] hashtab_node 118KB 119KB [ 458.286199] ebitmap_node 382KB 385KB [ 458.291553] avtab_node 1012KB 1013KB [ 458.296905] TIPC 1KB 7KB [ 458.302256] SCTPv6 2KB 4KB [ 458.307609] DCCPv6 2KB 7KB [ 458.312962] DCCP 2KB 6KB [ 458.318339] fib6_nodes 0KB 4KB [ 458.323691] ip6_dst_cache 6KB 11KB [ 458.329049] RAWv6 9KB 13KB [ 458.334403] UDPv6 12KB 14KB [ 458.339755] TCPv6 2KB 5KB [ 458.345125] sd_ext_cdb 0KB 3KB [ 458.350481] scsi_sense_cache 87KB 112KB [ 458.355835] virtio_scsi_cmd 16KB 16KB [ 458.361193] sgpool-128 8KB 8KB [ 458.366548] sgpool-64 4KB 6KB [ 458.371902] sgpool-32 86KB 86KB [ 458.377257] sgpool-16 22KB 22KB [ 458.382612] sgpool-8 186KB 191KB [ 458.387967] cfq_io_cq 18KB 19KB [ 458.393320] cfq_queue 29KB 30KB [ 458.398681] mqueue_inode_cache 1KB 7KB [ 458.404124] nfs_commit_data 3KB 7KB [ 458.409476] nfs_write_data 34KB 37KB [ 458.414831] jbd2_inode 1KB 3KB [ 458.420187] ext4_system_zone 0KB 3KB [ 458.425547] bio-1 1KB 3KB [ 458.430906] rpc_buffers 17KB 19KB [ 458.436259] rpc_tasks 2KB 3KB [ 458.441617] UNIX 1564KB 1578KB [ 458.446977] tcp_bind_bucket 0KB 4KB [ 458.452331] ip_fib_trie 0KB 3KB [ 458.457856] ip_fib_alias 0KB 3KB [ 458.463228] ip_dst_cache 3KB 8KB [ 458.468596] RAW 5KB 7KB [ 458.473953] UDP 29KB 31KB [ 458.479305] TCP 7KB 7KB [ 458.484656] hugetlbfs_inode_cache 1KB 7KB [ 458.490356] eventpoll_pwq 11KB 15KB [ 458.495714] eventpoll_epi 21KB 27KB [ 458.501064] inotify_inode_mark 4KB 7KB [ 458.506505] request_queue 31KB 39KB [ 458.511854] blkdev_ioc 24KB 27KB [ 458.517205] bio-0 303KB 315KB [ 458.522560] biovec-(1<<(21-12)) 478KB 478KB [ 458.528086] biovec-128 63KB 63KB [ 458.533441] biovec-64 31KB 31KB [ 458.538790] biovec-16 11KB 11KB [ 458.544155] bio_integrity_payload 0KB 4KB [ 458.549861] khugepaged_mm_slot 0KB 3KB [ 458.555302] uid_cache 0KB 3KB [ 458.560668] dmaengine-unmap-2 0KB 3KB [ 458.566040] audit_buffer 0KB 3KB [ 458.571401] skbuff_fclone_cache 130KB 131KB [ 458.576929] skbuff_head_cache 1843KB 1860KB [ 458.582292] configfs_dir_cache 0KB 4KB [ 458.587735] file_lock_cache 149KB 150KB [ 458.593086] file_lock_ctx 1KB 3KB [ 458.598449] fsnotify_mark_connector 2KB 3KB [ 458.604340] shmem_inode_cache 877KB 879KB [ 458.609701] task_delay_info 278KB 399KB [ 458.615052] sigqueue 318KB 318KB [ 458.620417] kernfs_node_cache 1840KB 1842KB [ 458.625775] mnt_cache 14KB 16KB [ 458.631122] filp 8125KB 8160KB [ 458.636494] names_cache 115527KB 115557KB [ 458.641856] avc_node 37KB 39KB [ 458.647206] selinux_file_security 406KB 410KB [ 458.652901] selinux_inode_security 1907KB 1912KB [ 458.658696] key_jar 3KB 7KB [ 458.664064] nsproxy 0KB 3KB [ 458.669420] vm_area_struct 16990KB 17000KB [ 458.674767] mm_struct 3939KB 3976KB [ 458.680128] fs_cache 366KB 484KB [ 458.685486] files_cache 1373KB 1605KB [ 458.690832] signal_cache 2215KB 2573KB [ 458.696193] sighand_cache 228KB 263KB [ 458.701549] task_struct 9395KB 9395KB [ 458.706907] cred_jar 2198KB 2212KB [ 458.712268] anon_vma_chain 6958KB 6965KB [ 458.717623] anon_vma 144KB 288KB [ 458.722977] pid 193KB 292KB [ 458.728338] Acpi-Operand 106KB 166KB [ 458.733700] Acpi-Namespace 19KB 23KB [ 458.739052] numa_policy 0KB 3KB [ 458.744416] debug_objects_cache 434KB 434KB [ 458.749947] trace_event_file 144KB 147KB [ 458.755299] ftrace_event_field 254KB 255KB [ 458.760742] pool_workqueue 21KB 24KB [ 458.766109] page->ptl 2741KB 2743KB [ 458.771481] kmalloc-262144 1032KB 1032KB [ 458.776831] kmalloc-131072 650KB 650KB [ 458.782192] kmalloc-65536 264KB 264KB [ 458.787551] kmalloc-32768 462KB 462KB [ 458.792907] kmalloc-16384 148KB 148KB [ 458.798275] kmalloc-8192 412KB 412KB [ 458.803632] kmalloc-4096 8109KB 8147KB [ 458.808992] kmalloc-2048 2977KB 2983KB [ 458.814360] kmalloc-1024 3519KB 3567KB [ 458.819721] kmalloc-512 2980KB 3228KB [ 458.825090] kmalloc-256 1520KB 1845KB [ 458.830463] kmalloc-128 393KB 500KB [ 458.835839] kmalloc-96 1924KB 1924KB [ 458.841208] kmalloc-64 2320KB 2320KB [ 458.846573] kmalloc-32 2291KB 2291KB [ 458.851928] kmalloc-192 800KB 800KB [ 458.857296] kmem_cache 96KB 101KB [ 458.862658] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 458.871265] [ 1607] 0 1607 5383 173 90112 0 -1000 udevd [ 458.879429] [ 2865] 0 2865 2493 573 57344 0 0 dhclient [ 458.887839] [ 2998] 0 2998 30625 166 122880 0 0 rsyslogd [ 458.896248] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 458.904308] [ 3071] 0 3071 3735 44 69632 0 0 mcstransd [ 458.912801] [ 3090] 0 3090 12490 152 139264 0 -1000 sshd [ 458.920853] [ 3124] 0 3124 3694 39 73728 0 0 getty [ 458.928990] [ 3125] 0 3125 3694 42 77824 0 0 getty [ 458.937152] [ 3126] 0 3126 3694 42 73728 0 0 getty [ 458.945313] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 458.953478] [ 3128] 0 3128 3694 40 77824 0 0 getty [ 458.961636] [ 3129] 0 3129 3694 42 77824 0 0 getty [ 458.969784] [ 3130] 0 3130 3649 39 77824 0 0 getty [ 458.977927] [ 3134] 0 3134 5681 454 86016 0 -1000 udevd [ 458.986063] [ 3135] 0 3135 5681 454 86016 0 -1000 udevd [ 458.994197] [ 3155] 0 3155 17821 198 184320 0 0 sshd [ 459.002246] [ 3157] 0 3157 280 1 32768 0 0 syzkaller136190 [ 459.011266] [ 3158] 0 3158 4371 522 36864 0 0 syzkaller136190 [ 459.020272] [ 3159] 0 3159 4371 522 36864 0 0 syzkaller136190 [ 459.029291] [ 3160] 0 3160 4371 522 36864 0 0 syzkaller136190 [ 459.038298] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller136190 [ 459.047314] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller136190 [ 459.056322] [ 3163] 0 3163 4371 522 36864 0 0 syzkaller136190 [ 459.065338] [ 3164] 0 3164 4371 522 36864 0 0 syzkaller136190 [ 459.074355] [ 3165] 0 3165 4371 522 36864 0 0 syzkaller136190 [ 459.083365] Out of memory: Kill process 2865 (dhclient) score 0 or sacrifice child [ 459.091116] Killed process 2865 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 459.115298] oom_reaper: reaped process 2865 (dhclient), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 459.237483] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 459.248919] rsyslogd cpuset=/ mems_allowed=0 [ 459.253452] CPU: 1 PID: 3001 Comm: rsyslogd Not tainted 4.15.0-rc4-mm1+ #49 [ 459.260517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 459.269836] Call Trace: [ 459.272394] dump_stack+0x194/0x257 [ 459.276000] ? arch_local_irq_restore+0x53/0x53 [ 459.280640] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 459.285803] dump_header+0x28c/0xe2b [ 459.289505] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 459.294682] ? pagefault_out_of_memory+0x145/0x145 [ 459.300305] ? print_irqtrace_events+0x270/0x270 [ 459.305057] ? avc_has_perm_noaudit+0x37e/0x520 [ 459.309710] ? check_noncircular+0x20/0x20 [ 459.313948] ? reacquire_held_locks+0x1f9/0x3e0 [ 459.318595] ? reacquire_held_locks+0x1f9/0x3e0 [ 459.323344] ? check_noncircular+0x20/0x20 [ 459.327562] ? task_will_free_mem+0x252/0xaa0 [ 459.332035] ? check_noncircular+0x20/0x20 [ 459.336257] ? print_irqtrace_events+0x270/0x270 [ 459.341009] ? ___ratelimit+0x30d/0x630 [ 459.344972] ? lock_downgrade+0x980/0x980 [ 459.349106] ? lock_release+0xa40/0xa40 [ 459.353071] ? mark_held_locks+0xaf/0x100 [ 459.357203] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 459.362293] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 459.367290] ? trace_hardirqs_on+0xd/0x10 [ 459.371422] ? ___ratelimit+0x95/0x630 [ 459.375300] ? idr_get_free_cmn+0xfd0/0xfd0 [ 459.379605] ? check_noncircular+0x20/0x20 [ 459.383836] oom_kill_process+0x81b/0x9f0 [ 459.387969] ? oom_badness+0xd1/0x980 [ 459.391752] ? lock_release+0xa40/0xa40 [ 459.395717] ? oom_kill_memcg_member+0x20/0x20 [ 459.400290] ? oom_evaluate_task+0x480/0x480 [ 459.404695] ? out_of_memory+0xe1c/0x1790 [ 459.408825] ? lock_downgrade+0x980/0x980 [ 459.412962] ? lock_release+0xa40/0xa40 [ 459.416933] ? oom_evaluate_task+0x284/0x480 [ 459.421332] out_of_memory+0x9d5/0x1790 [ 459.425301] ? oom_killer_disable+0x310/0x310 [ 459.429786] ? mutex_trylock+0x23a/0x2d0 [ 459.433834] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 459.438757] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 459.444186] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 459.450069] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 459.454906] ? trace_hardirqs_on+0xd/0x10 [ 459.459065] ? warn_alloc+0x2b0/0x2b0 [ 459.462852] ? lock_downgrade+0x980/0x980 [ 459.466997] ? __lock_is_held+0xb6/0x140 [ 459.471122] ? find_get_entry+0x53c/0x9e0 [ 459.475291] ? __lock_acquire+0x664/0x3e00 [ 459.479560] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 459.485446] ? __might_sleep+0x95/0x190 [ 459.489409] __alloc_pages_nodemask+0x9fb/0xd80 [ 459.494073] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 459.499072] ? add_to_page_cache_lru+0x510/0x510 [ 459.503823] ? check_noncircular+0x20/0x20 [ 459.508039] ? check_noncircular+0x20/0x20 [ 459.512252] ? __schedule+0x8f3/0x2060 [ 459.516134] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 459.520968] alloc_pages_current+0xb6/0x1e0 [ 459.525281] __page_cache_alloc+0x334/0x500 [ 459.529625] ? rcu_read_lock_held+0xa9/0xc0 [ 459.533937] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 459.541296] filemap_fault+0xf34/0x1ca0 [ 459.545253] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 459.550456] ? __lock_page_or_retry+0x4f0/0x4f0 [ 459.555131] ? filemap_map_pages+0x942/0x15d0 [ 459.559628] ? find_get_entries_tag+0xeb0/0xeb0 [ 459.564328] ? __is_insn_slot_addr+0x1fc/0x330 [ 459.568905] ? lock_downgrade+0x980/0x980 [ 459.573038] ? check_noncircular+0x20/0x20 [ 459.577265] ? print_irqtrace_events+0x270/0x270 [ 459.582002] ? print_irqtrace_events+0x270/0x270 [ 459.586736] ? print_irqtrace_events+0x270/0x270 [ 459.591527] ? is_bpf_text_address+0x7b/0x120 [ 459.596010] ? lock_downgrade+0x980/0x980 [ 459.600158] ? lock_acquire+0x1d5/0x580 [ 459.604113] ? lock_acquire+0x1d5/0x580 [ 459.608101] ? ext4_filemap_fault+0x7a/0xad [ 459.612412] ? __lock_acquire+0x664/0x3e00 [ 459.616634] ? lock_release+0xa40/0xa40 [ 459.620589] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 459.626462] ? rcu_note_context_switch+0x710/0x710 [ 459.631382] ? __might_sleep+0x95/0x190 [ 459.635343] ? down_read+0x96/0x150 [ 459.638948] ? ext4_filemap_fault+0x7a/0xad [ 459.643248] ? __down_interruptible+0x6b0/0x6b0 [ 459.647915] ext4_filemap_fault+0x82/0xad [ 459.652084] __do_fault+0xeb/0x30f [ 459.655621] ? __vfs_read+0xef/0xa00 [ 459.659321] ? pte_offset_kernel+0xc7/0xc7 [ 459.663541] ? do_raw_spin_trylock+0x190/0x190 [ 459.668116] ? check_noncircular+0x20/0x20 [ 459.672341] __handle_mm_fault+0x1d8f/0x3ce0 [ 459.676742] ? __pmd_alloc+0x4e0/0x4e0 [ 459.680622] ? find_held_lock+0x35/0x1d0 [ 459.684678] ? handle_mm_fault+0x2a0/0x930 [ 459.688899] ? lock_downgrade+0x980/0x980 [ 459.693069] handle_mm_fault+0x38f/0x930 [ 459.697110] ? down_read_trylock+0xdb/0x170 [ 459.701419] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 459.705976] ? vmacache_find+0x5f/0x280 [ 459.709939] ? find_vma+0x30/0x150 [ 459.713531] __do_page_fault+0x5c9/0xc90 [ 459.717571] ? vfs_copy_file_range+0x940/0x940 [ 459.722146] ? mm_fault_error+0x2c0/0x2c0 [ 459.726275] ? avc_policy_seqno+0x9/0x20 [ 459.730331] do_page_fault+0xee/0x720 [ 459.734118] ? __do_page_fault+0xc90/0xc90 [ 459.738354] ? fput+0xd2/0x140 [ 459.741530] ? SyS_read+0x184/0x220 [ 459.745140] ? retint_user+0x18/0x18 [ 459.748840] ? page_fault+0x36/0x60 [ 459.752454] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 459.757283] ? page_fault+0x36/0x60 [ 459.760895] page_fault+0x4c/0x60 [ 459.764327] RIP: 0033:0x7faab3faed50 [ 459.768020] RSP: 002b:00007faab1c75c38 EFLAGS: 00010246 [ 459.773363] RAX: 00000000013df140 RBX: 00007faab1c75cd0 RCX: 0000000000000001 [ 459.780616] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00000000013df150 [ 459.787867] RBP: 00007faab1c75cdc R08: 0000000000000000 R09: 0000000000000001 [ 459.795117] R10: 00007faab1c75d00 R11: 000000000003ef7a R12: 00007faab42b6540 [ 459.802365] R13: 00000000013df150 R14: 0000000000000000 R15: 0000000000000000 [ 459.809708] Mem-Info: [ 459.815200] active_anon:6067 inactive_anon:33 isolated_anon:0 [ 459.815200] active_file:4 inactive_file:21 isolated_file:0 [ 459.815200] unevictable:0 dirty:0 writeback:0 unstable:0 [ 459.815200] slab_reclaimable:7226 slab_unreclaimable:83768 [ 459.815200] mapped:7 shmem:40 pagetables:311 bounce:0 [ 459.815200] free:24300 free_pcp:0 free_cma:0 [ 459.847083] Node 0 active_anon:24268kB inactive_anon:132kB active_file:28kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 459.874116] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 459.900259] lowmem_reserve[]: 0 2875 6386 6386 [ 459.904878] Node 0 DMA32 free:44236kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 459.932063] lowmem_reserve[]: 0 0 3510 3510 [ 459.936424] Node 0 Normal free:37056kB min:37064kB low:46328kB high:55592kB active_anon:24268kB inactive_anon:132kB active_file:28kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1244kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 459.964916] lowmem_reserve[]: 0 0 0 0 [ 459.968748] 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 [ 459.982418] Node 0 DMA32: 3*4kB (UM) 2*8kB (M) 3*16kB (M) 4*32kB (UM) 2*64kB (M) 3*128kB (UM) 4*256kB (UM) 3*512kB (M) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44236kB [ 459.997720] Node 0 Normal: 505*4kB (UME) 373*8kB (UME) 227*16kB (M) 165*32kB (UM) 107*64kB (M) 50*128kB (UM) 36*256kB (M) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 37404kB [ 460.013189] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 460.021772] 78 total pagecache pages [ 460.025501] 0 pages in swap cache [ 460.028957] Swap cache stats: add 0, delete 0, find 0/0 [ 460.034323] Free swap = 0kB [ 460.037345] Total swap = 0kB [ 460.040366] 1965979 pages RAM [ 460.043483] 0 pages HighMem/MovableOnly [ 460.047462] 326511 pages reserved [ 460.050981] Unreclaimable slab info: [ 460.054801] Name Used Total [ 460.060386] hashtab_node 118KB 119KB [ 460.065761] ebitmap_node 382KB 385KB [ 460.071132] avtab_node 1012KB 1013KB [ 460.076508] TIPC 1KB 7KB [ 460.081886] SCTPv6 2KB 4KB [ 460.087262] DCCPv6 2KB 7KB [ 460.092665] DCCP 2KB 6KB [ 460.098056] fib6_nodes 0KB 4KB [ 460.103431] ip6_dst_cache 6KB 11KB [ 460.108807] RAWv6 9KB 13KB [ 460.114178] UDPv6 12KB 14KB [ 460.119552] TCPv6 2KB 5KB [ 460.124935] sd_ext_cdb 0KB 3KB [ 460.130303] scsi_sense_cache 89KB 112KB [ 460.135675] virtio_scsi_cmd 16KB 16KB [ 460.141051] sgpool-128 8KB 8KB [ 460.146421] sgpool-64 4KB 6KB [ 460.151796] sgpool-32 110KB 110KB [ 460.157174] sgpool-16 22KB 22KB [ 460.162547] sgpool-8 186KB 191KB [ 460.167920] cfq_io_cq 18KB 19KB [ 460.173288] cfq_queue 29KB 30KB [ 460.178662] mqueue_inode_cache 1KB 7KB [ 460.184122] nfs_commit_data 3KB 7KB [ 460.189492] nfs_write_data 34KB 37KB [ 460.194866] jbd2_inode 1KB 3KB [ 460.200234] ext4_system_zone 0KB 3KB [ 460.205616] bio-1 1KB 3KB [ 460.210995] rpc_buffers 17KB 19KB [ 460.216370] rpc_tasks 2KB 3KB [ 460.221742] UNIX 1555KB 1578KB [ 460.227117] tcp_bind_bucket 0KB 4KB [ 460.232490] ip_fib_trie 0KB 3KB [ 460.247154] ip_fib_alias 0KB 3KB [ 460.252529] ip_dst_cache 3KB 8KB [ 460.257901] RAW 5KB 7KB [ 460.263271] UDP 29KB 31KB [ 460.268646] TCP 7KB 7KB [ 460.274034] hugetlbfs_inode_cache 1KB 7KB [ 460.279754] eventpoll_pwq 11KB 15KB [ 460.285134] eventpoll_epi 21KB 27KB [ 460.290507] inotify_inode_mark 4KB 7KB [ 460.295968] request_queue 31KB 39KB [ 460.301346] blkdev_ioc 24KB 27KB [ 460.306723] bio-0 308KB 315KB [ 460.312096] biovec-(1<<(21-12)) 478KB 478KB [ 460.317641] biovec-128 76KB 76KB [ 460.323029] biovec-64 31KB 31KB [ 460.328402] biovec-16 11KB 11KB [ 460.333786] bio_integrity_payload 0KB 4KB [ 460.339506] khugepaged_mm_slot 0KB 3KB [ 460.344966] uid_cache 0KB 3KB [ 460.350336] dmaengine-unmap-2 0KB 3KB [ 460.355717] audit_buffer 0KB 3KB [ 460.361085] skbuff_fclone_cache 130KB 131KB [ 460.366628] skbuff_head_cache 1840KB 1860KB [ 460.371996] configfs_dir_cache 0KB 4KB [ 460.377456] file_lock_cache 149KB 150KB [ 460.382828] file_lock_ctx 1KB 3KB [ 460.388199] fsnotify_mark_connector 2KB 3KB [ 460.394094] shmem_inode_cache 877KB 879KB [ 460.399464] task_delay_info 278KB 399KB [ 460.404839] sigqueue 322KB 322KB [ 460.410209] kernfs_node_cache 1840KB 1842KB [ 460.415586] mnt_cache 14KB 16KB [ 460.420956] filp 8118KB 8152KB [ 460.426327] names_cache 115519KB 115557KB [ 460.431707] avc_node 37KB 39KB [ 460.437080] selinux_file_security 405KB 410KB [ 460.442800] selinux_inode_security 1907KB 1912KB [ 460.448603] key_jar 3KB 7KB [ 460.453973] nsproxy 0KB 3KB [ 460.459353] vm_area_struct 16989KB 17000KB [ 460.464732] mm_struct 3939KB 3976KB [ 460.470105] fs_cache 366KB 484KB [ 460.475478] files_cache 1373KB 1605KB [ 460.480852] signal_cache 2215KB 2573KB [ 460.486224] sighand_cache 228KB 263KB [ 460.491594] task_struct 9395KB 9395KB [ 460.496969] cred_jar 2198KB 2212KB [ 460.502343] anon_vma_chain 6958KB 6965KB [ 460.507719] anon_vma 139KB 288KB [ 460.513091] pid 193KB 292KB [ 460.518462] Acpi-Operand 106KB 166KB [ 460.523838] Acpi-Namespace 19KB 23KB [ 460.529213] numa_policy 0KB 3KB [ 460.534582] debug_objects_cache 434KB 434KB [ 460.540128] trace_event_file 144KB 147KB [ 460.545504] ftrace_event_field 254KB 255KB [ 460.550961] pool_workqueue 21KB 24KB [ 460.556331] page->ptl 2741KB 2743KB [ 460.561726] kmalloc-262144 1032KB 1032KB [ 460.567097] kmalloc-131072 650KB 650KB [ 460.572470] kmalloc-65536 264KB 264KB [ 460.577840] kmalloc-32768 462KB 462KB [ 460.583209] kmalloc-16384 148KB 148KB [ 460.588578] kmalloc-8192 412KB 412KB [ 460.593949] kmalloc-4096 8100KB 8138KB [ 460.599323] kmalloc-2048 2977KB 2983KB [ 460.604700] kmalloc-1024 3513KB 3567KB [ 460.610068] kmalloc-512 2973KB 3221KB [ 460.615438] kmalloc-256 1518KB 1841KB [ 460.620809] kmalloc-128 393KB 500KB [ 460.626178] kmalloc-96 1921KB 1924KB [ 460.631548] kmalloc-64 2320KB 2320KB [ 460.636918] kmalloc-32 2289KB 2291KB [ 460.642394] kmalloc-192 800KB 800KB [ 460.647768] kmem_cache 96KB 101KB [ 460.653137] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 460.661814] [ 1607] 0 1607 5383 173 90112 0 -1000 udevd [ 460.670063] [ 2998] 0 2998 30625 166 122880 0 0 rsyslogd [ 460.678490] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 460.686565] [ 3071] 0 3071 3735 44 69632 0 0 mcstransd [ 460.695075] [ 3090] 0 3090 12490 152 139264 0 -1000 sshd [ 460.703147] [ 3124] 0 3124 3694 39 73728 0 0 getty [ 460.711343] [ 3125] 0 3125 3694 42 77824 0 0 getty [ 460.719503] [ 3126] 0 3126 3694 42 73728 0 0 getty [ 460.727661] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 460.735818] [ 3128] 0 3128 3694 40 77824 0 0 getty [ 460.743975] [ 3129] 0 3129 3694 42 77824 0 0 getty [ 460.752131] [ 3130] 0 3130 3649 39 77824 0 0 getty [ 460.760289] [ 3134] 0 3134 5681 454 86016 0 -1000 udevd [ 460.768446] [ 3135] 0 3135 5681 454 86016 0 -1000 udevd [ 460.776606] [ 3155] 0 3155 17821 198 184320 0 0 sshd [ 460.784682] [ 3157] 0 3157 280 1 32768 0 0 syzkaller136190 [ 460.793714] [ 3158] 0 3158 4371 522 36864 0 0 syzkaller136190 [ 460.802741] [ 3159] 0 3159 4371 522 36864 0 0 syzkaller136190 [ 460.811797] [ 3160] 0 3160 4371 522 36864 0 0 syzkaller136190 [ 460.820825] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller136190 [ 460.829857] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller136190 [ 460.838893] [ 3163] 0 3163 4371 522 36864 0 0 syzkaller136190 [ 460.847920] [ 3164] 0 3164 4371 522 36864 0 0 syzkaller136190 [ 460.856945] [ 3165] 0 3165 4371 522 36864 0 0 syzkaller136190 [ 460.865965] Out of memory: Kill process 3158 (syzkaller136190) score 0 or sacrifice child [ 460.874592] Killed process 3158 (syzkaller136190) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 460.887988] oom_reaper: reaped process 3158 (syzkaller136190), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 461.069566] kworker/1:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 461.081565] kworker/1:1 cpuset=/ mems_allowed=0 [ 461.086233] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.15.0-rc4-mm1+ #49 [ 461.093384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 461.102709] Workqueue: events pcpu_balance_workfn [ 461.107516] Call Trace: [ 461.110072] dump_stack+0x194/0x257 [ 461.113666] ? arch_local_irq_restore+0x53/0x53 [ 461.118306] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 461.123468] dump_header+0x28c/0xe2b [ 461.127156] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 461.132313] ? pagefault_out_of_memory+0x145/0x145 [ 461.137227] ? print_irqtrace_events+0x270/0x270 [ 461.141972] ? avc_has_perm_noaudit+0x37e/0x520 [ 461.146624] ? check_noncircular+0x20/0x20 [ 461.150839] ? check_noncircular+0x20/0x20 [ 461.155062] ? print_irqtrace_events+0x270/0x270 [ 461.159804] ? reacquire_held_locks+0x1f9/0x3e0 [ 461.164458] ? reacquire_held_locks+0x1f9/0x3e0 [ 461.169106] ? check_noncircular+0x20/0x20 [ 461.173322] ? task_will_free_mem+0x252/0xaa0 [ 461.177795] ? check_noncircular+0x20/0x20 [ 461.182017] ? print_irqtrace_events+0x270/0x270 [ 461.186769] ? ___ratelimit+0x30d/0x630 [ 461.190727] ? lock_downgrade+0x980/0x980 [ 461.194863] ? lock_release+0xa40/0xa40 [ 461.198826] ? mark_held_locks+0xaf/0x100 [ 461.202959] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 461.208043] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 461.213038] ? trace_hardirqs_on+0xd/0x10 [ 461.217173] ? ___ratelimit+0x95/0x630 [ 461.221042] ? idr_get_free_cmn+0xfd0/0xfd0 [ 461.225344] ? check_noncircular+0x20/0x20 [ 461.229573] oom_kill_process+0x81b/0x9f0 [ 461.233703] ? oom_badness+0xd1/0x980 [ 461.237487] ? lock_release+0xa40/0xa40 [ 461.241448] ? oom_kill_memcg_member+0x20/0x20 [ 461.246018] ? oom_evaluate_task+0x480/0x480 [ 461.250421] ? out_of_memory+0xe1c/0x1790 [ 461.254551] ? lock_downgrade+0x980/0x980 [ 461.258686] ? lock_release+0xa40/0xa40 [ 461.262645] ? blocking_notifier_call_chain+0x112/0x190 [ 461.268005] ? oom_evaluate_task+0x284/0x480 [ 461.272404] out_of_memory+0x9d5/0x1790 [ 461.276375] ? oom_killer_disable+0x310/0x310 [ 461.280859] ? mutex_trylock+0x23a/0x2d0 [ 461.284902] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 461.289818] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 461.295245] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 461.301622] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 461.306494] ? warn_alloc+0x2b0/0x2b0 [ 461.310274] ? check_noncircular+0x20/0x20 [ 461.314505] ? print_irqtrace_events+0x270/0x270 [ 461.319244] ? lock_release+0xa40/0xa40 [ 461.323199] ? lock_pin_lock+0x360/0x360 [ 461.327252] ? lock_acquire+0x1d5/0x580 [ 461.331206] ? lock_acquire+0x1d5/0x580 [ 461.335169] ? __lock_acquire+0x664/0x3e00 [ 461.339391] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 461.345255] ? lock_release+0xa40/0xa40 [ 461.349281] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 461.355163] ? __might_sleep+0x95/0x190 [ 461.359125] __alloc_pages_nodemask+0x9fb/0xd80 [ 461.363776] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 461.368951] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 461.373945] ? __lock_acquire+0x664/0x3e00 [ 461.378170] ? __lock_acquire+0x664/0x3e00 [ 461.382395] ? print_irqtrace_events+0x270/0x270 [ 461.387140] ? __lock_is_held+0xb6/0x140 [ 461.391190] ? find_next_bit+0xcc/0x100 [ 461.395161] pcpu_populate_chunk+0x1b3/0x880 [ 461.399551] ? find_next_bit+0xb7/0x100 [ 461.403523] pcpu_balance_workfn+0xf3e/0x1520 [ 461.408001] ? check_noncircular+0x20/0x20 [ 461.412214] ? find_held_lock+0x35/0x1d0 [ 461.416283] ? pcpu_create_chunk+0x900/0x900 [ 461.420674] ? lock_release+0xa40/0xa40 [ 461.424633] ? check_noncircular+0x20/0x20 [ 461.428860] ? lock_acquire+0x1d5/0x580 [ 461.432809] ? lock_acquire+0x1d5/0x580 [ 461.436765] ? process_one_work+0xb01/0x1af0 [ 461.441171] ? __lock_is_held+0xb6/0x140 [ 461.445236] process_one_work+0xbbf/0x1af0 [ 461.449449] ? trace_hardirqs_on+0xd/0x10 [ 461.453597] ? pwq_dec_nr_in_flight+0x450/0x450 [ 461.458266] ? __schedule+0x8f3/0x2060 [ 461.462133] ? update_curr+0x2e3/0xa60 [ 461.466015] ? check_noncircular+0x20/0x20 [ 461.470229] ? retint_kernel+0x10/0x10 [ 461.474098] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 461.479096] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 461.483877] ? lock_acquire+0x1d5/0x580 [ 461.487828] ? lock_acquire+0x1d5/0x580 [ 461.491782] ? worker_thread+0x4a3/0x1990 [ 461.495913] ? lock_downgrade+0x980/0x980 [ 461.500046] ? lock_release+0xa40/0xa40 [ 461.504001] ? worker_pool_assign_id+0x1b0/0x1b0 [ 461.508739] ? do_raw_spin_trylock+0x190/0x190 [ 461.513323] worker_thread+0x223/0x1990 [ 461.517316] ? process_one_work+0x1af0/0x1af0 [ 461.521798] ? _raw_spin_unlock_irq+0x27/0x70 [ 461.526277] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 461.531275] ? trace_hardirqs_on+0xd/0x10 [ 461.535402] ? mmdrop+0x18/0x30 [ 461.538662] ? finish_task_switch+0x1f6/0x740 [ 461.543145] ? copy_overflow+0x20/0x20 [ 461.547032] ? __schedule+0x8f3/0x2060 [ 461.550939] ? find_held_lock+0x35/0x1d0 [ 461.554996] ? find_held_lock+0x35/0x1d0 [ 461.559049] ? complete+0x62/0x80 [ 461.562500] ? __schedule+0x2060/0x2060 [ 461.566453] ? do_wait_intr_irq+0x3e0/0x3e0 [ 461.570751] ? __lockdep_init_map+0xe4/0x650 [ 461.575142] ? do_raw_spin_trylock+0x190/0x190 [ 461.579707] ? lockdep_init_map+0x9/0x10 [ 461.583752] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 461.588836] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 461.593832] ? trace_hardirqs_on+0xd/0x10 [ 461.597958] ? __kthread_parkme+0x175/0x240 [ 461.602270] kthread+0x33c/0x400 [ 461.605614] ? process_one_work+0x1af0/0x1af0 [ 461.610083] ? kthread_stop+0x7a0/0x7a0 [ 461.614041] ret_from_fork+0x24/0x30 [ 461.617807] Mem-Info: [ 461.620234] active_anon:5551 inactive_anon:33 isolated_anon:0 [ 461.620234] active_file:26 inactive_file:16 isolated_file:0 [ 461.620234] unevictable:0 dirty:0 writeback:0 unstable:0 [ 461.620234] slab_reclaimable:7227 slab_unreclaimable:83791 [ 461.620234] mapped:4 shmem:40 pagetables:311 bounce:0 [ 461.620234] free:24242 free_pcp:0 free_cma:0 [ 461.652198] Node 0 active_anon:22204kB inactive_anon:132kB active_file:104kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 461.679275] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 461.705433] lowmem_reserve[]: 0 2875 6386 6386 [ 461.710048] Node 0 DMA32 free:44236kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 461.737250] lowmem_reserve[]: 0 0 3510 3510 [ 461.741607] Node 0 Normal free:36992kB min:37064kB low:46328kB high:55592kB active_anon:22200kB inactive_anon:132kB active_file:68kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1240kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 461.770095] lowmem_reserve[]: 0 0 0 0 [ 461.773928] 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 [ 461.787593] Node 0 DMA32: 3*4kB (UM) 2*8kB (M) 3*16kB (M) 4*32kB (UM) 2*64kB (M) 3*128kB (UM) 4*256kB (UM) 3*512kB (M) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44236kB [ 461.802903] Node 0 Normal: 504*4kB (UME) 372*8kB (UME) 224*16kB (M) 164*32kB (UM) 110*64kB (UM) 48*128kB (M) 37*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 36992kB [ 461.818488] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 461.827077] 71 total pagecache pages [ 461.830804] 0 pages in swap cache [ 461.834267] Swap cache stats: add 0, delete 0, find 0/0 [ 461.839636] Free swap = 0kB [ 461.842658] Total swap = 0kB [ 461.845679] 1965979 pages RAM [ 461.848786] 0 pages HighMem/MovableOnly [ 461.852761] 326511 pages reserved [ 461.856228] Unreclaimable slab info: [ 461.859948] Name Used Total [ 461.865493] hashtab_node 118KB 119KB [ 461.870861] ebitmap_node 382KB 385KB [ 461.876234] avtab_node 1012KB 1013KB [ 461.881604] TIPC 1KB 7KB [ 461.886980] SCTPv6 2KB 4KB [ 461.892363] DCCPv6 2KB 7KB [ 461.897738] DCCP 2KB 6KB [ 461.903140] fib6_nodes 0KB 4KB [ 461.908508] ip6_dst_cache 6KB 11KB [ 461.913882] RAWv6 9KB 13KB [ 461.919255] UDPv6 12KB 14KB [ 461.924630] TCPv6 2KB 5KB [ 461.930037] sd_ext_cdb 0KB 3KB [ 461.935409] scsi_sense_cache 104KB 112KB [ 461.940781] virtio_scsi_cmd 16KB 16KB [ 461.946157] sgpool-128 8KB 8KB [ 461.951528] sgpool-64 4KB 6KB [ 461.956914] sgpool-32 181KB 181KB [ 461.962288] sgpool-16 37KB 37KB [ 461.967657] sgpool-8 187KB 187KB [ 461.973043] cfq_io_cq 16KB 19KB [ 461.978410] cfq_queue 25KB 30KB [ 461.983785] mqueue_inode_cache 1KB 7KB [ 461.989245] nfs_commit_data 3KB 7KB [ 461.994616] nfs_write_data 34KB 37KB [ 461.999986] jbd2_inode 1KB 3KB [ 462.005358] ext4_system_zone 0KB 3KB [ 462.010739] bio-1 1KB 3KB [ 462.016117] rpc_buffers 17KB 19KB [ 462.021487] rpc_tasks 2KB 3KB [ 462.026861] UNIX 1536KB 1564KB [ 462.032253] tcp_bind_bucket 0KB 4KB [ 462.037626] ip_fib_trie 0KB 3KB [ 462.042999] ip_fib_alias 0KB 3KB [ 462.048396] ip_dst_cache 3KB 8KB [ 462.053770] RAW 5KB 7KB [ 462.059139] UDP 29KB 31KB [ 462.064517] TCP 7KB 7KB [ 462.069890] hugetlbfs_inode_cache 1KB 7KB [ 462.075609] eventpoll_pwq 11KB 15KB [ 462.080980] eventpoll_epi 21KB 27KB [ 462.086354] inotify_inode_mark 4KB 7KB [ 462.091815] request_queue 31KB 39KB [ 462.097206] blkdev_ioc 22KB 27KB [ 462.102582] bio-0 341KB 341KB [ 462.107952] biovec-(1<<(21-12)) 478KB 478KB [ 462.113499] biovec-128 140KB 140KB [ 462.118872] biovec-64 55KB 55KB [ 462.124247] biovec-16 15KB 15KB [ 462.129619] bio_integrity_payload 0KB 4KB [ 462.135339] khugepaged_mm_slot 0KB 3KB [ 462.140805] uid_cache 0KB 3KB [ 462.146178] dmaengine-unmap-2 0KB 3KB [ 462.151548] audit_buffer 0KB 3KB [ 462.156920] skbuff_fclone_cache 130KB 131KB [ 462.162492] skbuff_head_cache 1836KB 1852KB [ 462.168966] configfs_dir_cache 0KB 4KB [ 462.174438] file_lock_cache 149KB 150KB [ 462.179853] file_lock_ctx 1KB 3KB [ 462.185232] fsnotify_mark_connector 2KB 3KB [ 462.191127] shmem_inode_cache 877KB 879KB [ 462.196504] task_delay_info 277KB 399KB [ 462.201878] sigqueue 317KB 322KB [ 462.207255] kernfs_node_cache 1840KB 1842KB [ 462.212630] mnt_cache 14KB 16KB [ 462.218000] filp 8108KB 8137KB [ 462.223398] names_cache 115510KB 115540KB [ 462.228772] avc_node 37KB 39KB [ 462.234141] selinux_file_security 404KB 410KB [ 462.239859] selinux_inode_security 1907KB 1912KB [ 462.245666] key_jar 3KB 7KB [ 462.251033] nsproxy 0KB 3KB [ 462.256405] vm_area_struct 16988KB 17000KB [ 462.261775] mm_struct 3939KB 3976KB [ 462.267149] fs_cache 366KB 484KB [ 462.272523] files_cache 1373KB 1605KB [ 462.277903] signal_cache 2208KB 2573KB [ 462.283276] sighand_cache 217KB 263KB [ 462.288647] task_struct 9395KB 9395KB [ 462.294050] cred_jar 2196KB 2212KB [ 462.299425] anon_vma_chain 6957KB 6965KB [ 462.304799] anon_vma 139KB 288KB [ 462.310171] pid 192KB 292KB [ 462.315542] Acpi-Operand 106KB 166KB [ 462.320915] Acpi-Namespace 19KB 23KB [ 462.326285] numa_policy 0KB 3KB [ 462.331657] debug_objects_cache 434KB 434KB [ 462.337204] trace_event_file 144KB 147KB [ 462.342577] ftrace_event_field 254KB 255KB [ 462.348031] pool_workqueue 21KB 24KB [ 462.353402] page->ptl 2741KB 2743KB [ 462.358810] kmalloc-262144 1032KB 1032KB [ 462.364183] kmalloc-131072 650KB 650KB [ 462.369557] kmalloc-65536 264KB 264KB [ 462.374930] kmalloc-32768 462KB 462KB [ 462.380302] kmalloc-16384 148KB 148KB [ 462.385674] kmalloc-8192 412KB 412KB [ 462.391049] kmalloc-4096 8092KB 8121KB [ 462.396425] kmalloc-2048 2977KB 2983KB [ 462.401799] kmalloc-1024 3638KB 3638KB [ 462.407170] kmalloc-512 2966KB 3213KB [ 462.412543] kmalloc-256 1518KB 1841KB [ 462.417913] kmalloc-128 393KB 500KB [ 462.423295] kmalloc-96 1928KB 1928KB [ 462.428666] kmalloc-64 2320KB 2320KB [ 462.434033] kmalloc-32 2288KB 2291KB [ 462.439407] kmalloc-192 800KB 800KB [ 462.444777] kmem_cache 96KB 101KB [ 462.450145] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 462.458755] [ 1607] 0 1607 5383 173 90112 0 -1000 udevd [ 462.466927] [ 2998] 0 2998 30625 166 122880 0 0 rsyslogd [ 462.475351] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 462.483421] [ 3071] 0 3071 3735 44 69632 0 0 mcstransd [ 462.491926] [ 3090] 0 3090 12490 152 139264 0 -1000 sshd [ 462.499996] [ 3124] 0 3124 3694 39 73728 0 0 getty [ 462.508155] [ 3125] 0 3125 3694 42 77824 0 0 getty [ 462.516314] [ 3126] 0 3126 3694 42 73728 0 0 getty [ 462.524471] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 462.532628] [ 3128] 0 3128 3694 40 77824 0 0 getty [ 462.540787] [ 3129] 0 3129 3694 42 77824 0 0 getty [ 462.548943] [ 3130] 0 3130 3649 39 77824 0 0 getty [ 462.557115] [ 3134] 0 3134 5681 454 86016 0 -1000 udevd [ 462.565278] [ 3135] 0 3135 5681 454 86016 0 -1000 udevd [ 462.573436] [ 3155] 0 3155 17821 198 184320 0 0 sshd [ 462.581507] [ 3157] 0 3157 280 1 32768 0 0 syzkaller136190 [ 462.590536] [ 3158] 0 3158 4371 0 32768 0 0 syzkaller136190 [ 462.599563] [ 3159] 0 3159 4371 522 36864 0 0 syzkaller136190 [ 462.608592] [ 3160] 0 3160 4371 522 36864 0 0 syzkaller136190 [ 462.617617] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller136190 [ 462.626659] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller136190 [ 462.635775] [ 3163] 0 3163 4371 522 36864 0 0 syzkaller136190 [ 462.644805] [ 3164] 0 3164 4371 522 36864 0 0 syzkaller136190 [ 462.653830] [ 3165] 0 3165 4371 522 36864 0 0 syzkaller136190 [ 462.662853] Out of memory: Kill process 3159 (syzkaller136190) score 0 or sacrifice child [ 462.671198] Killed process 3159 (syzkaller136190) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 462.683652] oom_reaper: reaped process 3159 (syzkaller136190), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 462.874890] syzkaller136190 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 462.887821] syzkaller136190 cpuset=/ mems_allowed=0 [ 462.893000] CPU: 0 PID: 3165 Comm: syzkaller136190 Not tainted 4.15.0-rc4-mm1+ #49 [ 462.900677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 462.910001] Call Trace: [ 462.912557] dump_stack+0x194/0x257 [ 462.916154] ? arch_local_irq_restore+0x53/0x53 [ 462.920790] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 462.925951] dump_header+0x28c/0xe2b [ 462.929637] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 462.934802] ? pagefault_out_of_memory+0x145/0x145 [ 462.939700] ? print_irqtrace_events+0x270/0x270 [ 462.944427] ? avc_has_perm_noaudit+0x37e/0x520 [ 462.949063] ? check_noncircular+0x20/0x20 [ 462.953273] ? reacquire_held_locks+0x1f9/0x3e0 [ 462.957903] ? reacquire_held_locks+0x1f9/0x3e0 [ 462.962545] ? check_noncircular+0x20/0x20 [ 462.966746] ? task_will_free_mem+0x252/0xaa0 [ 462.971204] ? check_noncircular+0x20/0x20 [ 462.975409] ? print_irqtrace_events+0x270/0x270 [ 462.980139] ? ___ratelimit+0x30d/0x630 [ 462.984080] ? lock_downgrade+0x980/0x980 [ 462.988195] ? lock_release+0xa40/0xa40 [ 462.992137] ? mark_held_locks+0xaf/0x100 [ 462.996251] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 463.001320] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 463.006323] ? trace_hardirqs_on+0xd/0x10 [ 463.010439] ? ___ratelimit+0x95/0x630 [ 463.014293] ? idr_get_free_cmn+0xfd0/0xfd0 [ 463.018581] ? check_noncircular+0x20/0x20 [ 463.022788] oom_kill_process+0x81b/0x9f0 [ 463.026899] ? oom_badness+0xd1/0x980 [ 463.030664] ? lock_release+0xa40/0xa40 [ 463.034605] ? oom_kill_memcg_member+0x20/0x20 [ 463.039156] ? oom_evaluate_task+0x480/0x480 [ 463.043537] ? out_of_memory+0xe1c/0x1790 [ 463.047653] ? lock_downgrade+0x980/0x980 [ 463.051770] ? lock_release+0xa40/0xa40 [ 463.055708] ? find_next_bit+0xcc/0x100 [ 463.059658] ? oom_evaluate_task+0x284/0x480 [ 463.064036] out_of_memory+0x9d5/0x1790 [ 463.067983] ? oom_killer_disable+0x310/0x310 [ 463.072448] ? mutex_trylock+0x23a/0x2d0 [ 463.076472] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 463.081369] ? __lock_is_held+0xb6/0x140 [ 463.085403] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 463.090827] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 463.095672] ? warn_alloc+0x2b0/0x2b0 [ 463.099439] ? lock_release+0xa40/0xa40 [ 463.103376] ? trace_hardirqs_off+0xd/0x10 [ 463.107580] ? print_irqtrace_events+0x270/0x270 [ 463.112320] ? mutex_spin_on_owner+0x446/0xb50 [ 463.116890] ? __lock_acquire+0x664/0x3e00 [ 463.121098] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 463.126968] ? __lock_is_held+0xb6/0x140 [ 463.131014] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 463.136878] ? __might_sleep+0x95/0x190 [ 463.140825] __alloc_pages_nodemask+0x9fb/0xd80 [ 463.145546] ? __queue_work+0x5b9/0x1230 [ 463.149574] ? vmap_page+0x1c5/0x2a0 [ 463.153258] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 463.158250] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 463.163152] ? print_irqtrace_events+0x270/0x270 [ 463.167879] ? __lock_is_held+0xb6/0x140 [ 463.171913] ? find_next_bit+0xcc/0x100 [ 463.175857] pcpu_populate_chunk+0x1b3/0x880 [ 463.180234] ? find_next_bit+0xb7/0x100 [ 463.184183] pcpu_alloc+0x978/0x10e0 [ 463.187876] ? pcpu_free_area+0xa00/0xa00 [ 463.191997] ? vmap_page_range_noflush+0x155/0x240 [ 463.196894] ? retint_kernel+0x10/0x10 [ 463.200750] ? retint_kernel+0x10/0x10 [ 463.204605] ? retint_kernel+0x10/0x10 [ 463.208459] ? retint_kernel+0x10/0x10 [ 463.212315] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 463.217298] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 463.222025] ? retint_kernel+0x10/0x10 [ 463.225888] __alloc_percpu_gfp+0x27/0x30 [ 463.230004] array_map_alloc+0x68a/0x830 [ 463.234037] SyS_bpf+0x7f8/0x4420 [ 463.237458] ? perf_event_mmap+0x115/0x12a0 [ 463.241750] ? bpf_prog_get+0x20/0x20 [ 463.245519] ? perf_event_fork+0x30/0x30 [ 463.249554] ? __lock_is_held+0xb6/0x140 [ 463.253583] ? check_noncircular+0x20/0x20 [ 463.257793] ? vma_wants_writenotify+0x51/0x3b0 [ 463.262431] ? __handle_mm_fault+0x80e/0x3ce0 [ 463.266902] ? check_noncircular+0x20/0x20 [ 463.271099] ? __pmd_alloc+0x4e0/0x4e0 [ 463.274948] ? vma_link+0xe9/0x170 [ 463.278458] ? find_held_lock+0x35/0x1d0 [ 463.282496] ? handle_mm_fault+0x2a0/0x930 [ 463.286697] ? find_held_lock+0x35/0x1d0 [ 463.290735] ? __do_page_fault+0x5f7/0xc90 [ 463.294934] ? lock_downgrade+0x980/0x980 [ 463.299064] ? handle_mm_fault+0x476/0x930 [ 463.303262] ? down_read_trylock+0xdb/0x170 [ 463.307551] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 463.312095] ? vmacache_find+0x5f/0x280 [ 463.316032] ? vmacache_update+0xfe/0x130 [ 463.320149] ? up_read+0x1a/0x40 [ 463.323482] ? __do_page_fault+0x3d6/0xc90 [ 463.327688] ? mm_fault_error+0x2c0/0x2c0 [ 463.331813] ? do_page_fault+0xee/0x720 [ 463.335752] ? __do_page_fault+0xc90/0xc90 [ 463.339963] ? SyS_mmap_pgoff+0x243/0x5f0 [ 463.344087] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 463.348815] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 463.353534] RIP: 0033:0x440139 [ 463.356689] RSP: 002b:00007ffd6ff326c8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 463.364362] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 463.371606] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 463.378850] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 463.386090] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 463.393324] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 463.400713] Mem-Info: [ 463.404304] active_anon:5033 inactive_anon:33 isolated_anon:0 [ 463.404304] active_file:38 inactive_file:80 isolated_file:0 [ 463.404304] unevictable:0 dirty:1 writeback:0 unstable:0 [ 463.404304] slab_reclaimable:7224 slab_unreclaimable:83508 [ 463.404304] mapped:18 shmem:40 pagetables:309 bounce:0 [ 463.404304] free:24261 free_pcp:0 free_cma:0 [ 463.437199] Node 0 active_anon:20132kB inactive_anon:132kB active_file:152kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:4kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 463.464234] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 463.490397] lowmem_reserve[]: 0 2875 6386 6386 [ 463.495040] Node 0 DMA32 free:44236kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 463.524118] lowmem_reserve[]: 0 0 3510 3510 [ 463.528494] Node 0 Normal free:37024kB min:37064kB low:46328kB high:55592kB active_anon:20132kB inactive_anon:132kB active_file:100kB inactive_file:24kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1236kB bounce:0kB free_pcp:240kB local_pcp:0kB free_cma:0kB [ 463.558170] lowmem_reserve[]: 0 0 0 0 [ 463.563798] 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 [ 463.577522] Node 0 DMA32: 3*4kB (UM) 2*8kB (M) 3*16kB (M) 4*32kB (UM) 2*64kB (M) 3*128kB (UM) 4*256kB (UM) 3*512kB (M) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44236kB [ 463.592840] Node 0 Normal: 505*4kB (UME) 370*8kB (UME) 226*16kB (UM) 164*32kB (UM) 110*64kB (UM) 48*128kB (M) 36*256kB (M) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 37268kB [ 463.608627] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 463.617508] 200 total pagecache pages [ 463.621340] 0 pages in swap cache [ 463.624939] Swap cache stats: add 0, delete 0, find 0/0 [ 463.630320] Free swap = 0kB [ 463.633537] Total swap = 0kB [ 463.636588] 1965979 pages RAM [ 463.639758] 0 pages HighMem/MovableOnly [ 463.643751] 326511 pages reserved [ 463.647236] Unreclaimable slab info: [ 463.651182] Name Used Total [ 463.656799] hashtab_node 118KB 119KB [ 463.662188] ebitmap_node 382KB 385KB [ 463.667563] avtab_node 1012KB 1013KB [ 463.672942] TIPC 1KB 7KB [ 463.678445] SCTPv6 2KB 4KB [ 463.683837] DCCPv6 2KB 7KB [ 463.690207] DCCP 2KB 6KB [ 463.695614] fib6_nodes 0KB 4KB [ 463.700996] ip6_dst_cache 6KB 11KB [ 463.706414] RAWv6 9KB 13KB [ 463.711794] UDPv6 12KB 14KB [ 463.717232] TCPv6 2KB 5KB [ 463.722765] sd_ext_cdb 0KB 3KB [ 463.728351] scsi_sense_cache 120KB 120KB [ 463.733757] virtio_scsi_cmd 16KB 16KB [ 463.739235] sgpool-128 8KB 8KB [ 463.744759] sgpool-64 4KB 6KB [ 463.750142] sgpool-32 236KB 236KB [ 463.755522] sgpool-16 48KB 48KB [ 463.760895] sgpool-8 202KB 202KB [ 463.766269] cfq_io_cq 16KB 19KB [ 463.771723] cfq_queue 25KB 30KB [ 463.777533] mqueue_inode_cache 1KB 7KB [ 463.783051] nfs_commit_data 3KB 7KB [ 463.788625] nfs_write_data 34KB 37KB [ 463.794007] jbd2_inode 1KB 3KB [ 463.799422] ext4_system_zone 0KB 3KB [ 463.804803] bio-1 1KB 3KB [ 463.810182] rpc_buffers 17KB 19KB [ 463.815553] rpc_tasks 2KB 3KB [ 463.821708] UNIX 1524KB 1564KB [ 463.827084] tcp_bind_bucket 0KB 4KB [ 463.832458] ip_fib_trie 0KB 3KB [ 463.837828] ip_fib_alias 0KB 3KB [ 463.843242] ip_dst_cache 3KB 8KB [ 463.848618] RAW 5KB 7KB [ 463.853988] UDP 29KB 31KB [ 463.859366] TCP 7KB 7KB [ 463.864741] hugetlbfs_inode_cache 1KB 7KB [ 463.870465] eventpoll_pwq 11KB 15KB [ 463.875839] eventpoll_epi 21KB 27KB [ 463.881209] inotify_inode_mark 4KB 7KB [ 463.886667] request_queue 31KB 39KB [ 463.892039] blkdev_ioc 22KB 27KB [ 463.897397] bio-0 375KB 375KB [ 463.902769] biovec-(1<<(21-12)) 478KB 478KB [ 463.908313] biovec-128 165KB 165KB [ 463.913690] biovec-64 110KB 110KB [ 463.919062] biovec-16 15KB 15KB [ 463.924437] bio_integrity_payload 0KB 4KB [ 463.930144] khugepaged_mm_slot 0KB 3KB [ 463.935604] uid_cache 0KB 3KB [ 463.940976] dmaengine-unmap-2 0KB 3KB [ 463.946336] audit_buffer 0KB 3KB [ 463.951703] skbuff_fclone_cache 130KB 131KB [ 463.958042] skbuff_head_cache 1829KB 1852KB [ 463.963541] configfs_dir_cache 0KB 4KB [ 463.969164] file_lock_cache 149KB 150KB [ 463.974539] file_lock_ctx 1KB 3KB [ 463.979904] fsnotify_mark_connector 2KB 3KB [ 463.985783] shmem_inode_cache 877KB 879KB [ 463.991139] task_delay_info 276KB 399KB [ 463.996492] sigqueue 315KB 322KB [ 464.001846] kernfs_node_cache 1840KB 1842KB [ 464.007196] mnt_cache 14KB 16KB [ 464.012547] filp 8094KB 8130KB [ 464.017902] names_cache 114873KB 114911KB [ 464.023254] avc_node 37KB 39KB [ 464.028605] selinux_file_security 403KB 410KB [ 464.034311] selinux_inode_security 1905KB 1912KB [ 464.040100] key_jar 3KB 7KB [ 464.045452] nsproxy 0KB 3KB [ 464.050802] vm_area_struct 16984KB 17000KB [ 464.056154] mm_struct 3939KB 3976KB [ 464.061504] fs_cache 366KB 484KB [ 464.066852] files_cache 1373KB 1605KB [ 464.072204] signal_cache 2200KB 2573KB [ 464.077586] sighand_cache 205KB 263KB [ 464.082941] task_struct 9395KB 9395KB [ 464.088807] cred_jar 2195KB 2212KB [ 464.094180] anon_vma_chain 6955KB 6965KB [ 464.099543] anon_vma 133KB 281KB [ 464.104910] pid 192KB 292KB [ 464.110280] Acpi-Operand 106KB 166KB [ 464.115641] Acpi-Namespace 19KB 23KB [ 464.121008] numa_policy 0KB 3KB [ 464.126392] debug_objects_cache 434KB 434KB [ 464.131919] trace_event_file 144KB 147KB [ 464.137288] ftrace_event_field 254KB 255KB [ 464.142737] pool_workqueue 21KB 24KB [ 464.148109] page->ptl 2740KB 2743KB [ 464.153494] kmalloc-262144 1032KB 1032KB [ 464.158844] kmalloc-131072 650KB 650KB [ 464.164213] kmalloc-65536 264KB 264KB [ 464.169576] kmalloc-32768 462KB 462KB [ 464.174938] kmalloc-16384 148KB 148KB [ 464.180307] kmalloc-8192 412KB 412KB [ 464.185662] kmalloc-4096 7926KB 7964KB [ 464.191041] kmalloc-2048 2977KB 2983KB [ 464.196403] kmalloc-1024 3772KB 3772KB [ 464.201753] kmalloc-512 2953KB 3210KB [ 464.207118] kmalloc-256 1514KB 1841KB [ 464.212488] kmalloc-128 391KB 500KB [ 464.218484] kmalloc-96 1928KB 1928KB [ 464.223844] kmalloc-64 2317KB 2320KB [ 464.229208] kmalloc-32 2286KB 2291KB [ 464.234612] kmalloc-192 799KB 800KB [ 464.239963] kmem_cache 96KB 101KB [ 464.245326] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 464.253962] [ 1607] 0 1607 5383 173 90112 0 -1000 udevd [ 464.262187] [ 2998] 0 2998 30625 166 122880 0 0 rsyslogd [ 464.270595] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 464.278667] [ 3071] 0 3071 3735 44 69632 0 0 mcstransd [ 464.287177] [ 3090] 0 3090 12490 152 139264 0 -1000 sshd [ 464.295240] [ 3124] 0 3124 3694 39 73728 0 0 getty [ 464.303393] [ 3125] 0 3125 3694 42 77824 0 0 getty [ 464.311588] [ 3126] 0 3126 3694 42 73728 0 0 getty [ 464.319762] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 464.327929] [ 3128] 0 3128 3694 40 77824 0 0 getty [ 464.336105] [ 3129] 0 3129 3694 42 77824 0 0 getty [ 464.344277] [ 3130] 0 3130 3649 39 77824 0 0 getty [ 464.352431] [ 3134] 0 3134 5681 454 86016 0 -1000 udevd [ 464.360605] [ 3135] 0 3135 5681 454 86016 0 -1000 udevd [ 464.368765] [ 3155] 0 3155 17821 198 184320 0 0 sshd [ 464.376835] [ 3157] 0 3157 280 1 32768 0 0 syzkaller136190 [ 464.385859] [ 3158] 0 3158 4371 0 32768 0 0 syzkaller136190 [ 464.394888] [ 3159] 0 3159 4371 0 32768 0 0 syzkaller136190 [ 464.403910] [ 3160] 0 3160 4371 522 36864 0 0 syzkaller136190 [ 464.412936] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller136190 [ 464.421984] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller136190 [ 464.431064] [ 3163] 0 3163 4371 522 36864 0 0 syzkaller136190 [ 464.440079] [ 3164] 0 3164 4371 522 36864 0 0 syzkaller136190 [ 464.449103] [ 3165] 0 3165 4371 522 36864 0 0 syzkaller136190 [ 464.458128] Out of memory: Kill process 3160 (syzkaller136190) score 0 or sacrifice child [ 464.467760] Killed process 3160 (syzkaller136190) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 464.481483] oom_reaper: reaped process 3160 (syzkaller136190), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 464.757893] kworker/0:0 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 464.771250] kworker/0:0 cpuset=/ mems_allowed=0 [ 464.776175] CPU: 0 PID: 3167 Comm: kworker/0:0 Not tainted 4.15.0-rc4-mm1+ #49 [ 464.783517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 464.792862] Workqueue: events pcpu_balance_workfn [ 464.797670] Call Trace: [ 464.800227] dump_stack+0x194/0x257 [ 464.803824] ? arch_local_irq_restore+0x53/0x53 [ 464.808459] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 464.813622] dump_header+0x28c/0xe2b [ 464.817307] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 464.822466] ? pagefault_out_of_memory+0x145/0x145 [ 464.827365] ? print_irqtrace_events+0x270/0x270 [ 464.832101] ? avc_has_perm_noaudit+0x37e/0x520 [ 464.836740] ? check_noncircular+0x20/0x20 [ 464.840940] ? check_noncircular+0x20/0x20 [ 464.845142] ? print_irqtrace_events+0x270/0x270 [ 464.849867] ? reacquire_held_locks+0x1f9/0x3e0 [ 464.854512] ? reacquire_held_locks+0x1f9/0x3e0 [ 464.859144] ? check_noncircular+0x20/0x20 [ 464.863345] ? task_will_free_mem+0x252/0xaa0 [ 464.867803] ? check_noncircular+0x20/0x20 [ 464.872006] ? print_irqtrace_events+0x270/0x270 [ 464.876733] ? ___ratelimit+0x30d/0x630 [ 464.880675] ? lock_downgrade+0x980/0x980 [ 464.884793] ? lock_release+0xa40/0xa40 [ 464.888750] ? mark_held_locks+0xaf/0x100 [ 464.892870] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 464.897941] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 464.902924] ? trace_hardirqs_on+0xd/0x10 [ 464.907053] ? ___ratelimit+0x95/0x630 [ 464.910929] ? idr_get_free_cmn+0xfd0/0xfd0 [ 464.915224] ? check_noncircular+0x20/0x20 [ 464.919431] oom_kill_process+0x81b/0x9f0 [ 464.923544] ? oom_badness+0xd1/0x980 [ 464.927308] ? lock_release+0xa40/0xa40 [ 464.931252] ? oom_kill_memcg_member+0x20/0x20 [ 464.935804] ? oom_evaluate_task+0x480/0x480 [ 464.940185] ? out_of_memory+0xe1c/0x1790 [ 464.944302] ? lock_downgrade+0x980/0x980 [ 464.948427] ? lock_release+0xa40/0xa40 [ 464.952368] ? find_next_bit+0xcc/0x100 [ 464.956309] ? blocking_notifier_call_chain+0x112/0x190 [ 464.961646] ? oom_evaluate_task+0x284/0x480 [ 464.966026] out_of_memory+0x9d5/0x1790 [ 464.969975] ? oom_killer_disable+0x310/0x310 [ 464.974441] ? mutex_trylock+0x23a/0x2d0 [ 464.978469] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 464.983367] ? __lock_is_held+0xb6/0x140 [ 464.987398] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 464.992825] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 464.997658] ? warn_alloc+0x2b0/0x2b0 [ 465.001454] ? lock_release+0xa40/0xa40 [ 465.005403] ? print_irqtrace_events+0x270/0x270 [ 465.010129] ? lock_release+0xa40/0xa40 [ 465.014076] ? mutex_spin_on_owner+0x446/0xb50 [ 465.018634] ? __lock_acquire+0x664/0x3e00 [ 465.022840] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 465.028712] ? __lock_is_held+0xb6/0x140 [ 465.032752] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 465.038620] ? __might_sleep+0x95/0x190 [ 465.042569] __alloc_pages_nodemask+0x9fb/0xd80 [ 465.047210] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 465.052193] ? __lock_acquire+0x664/0x3e00 [ 465.056398] ? __lock_acquire+0x664/0x3e00 [ 465.060606] ? print_irqtrace_events+0x270/0x270 [ 465.065335] ? __lock_is_held+0xb6/0x140 [ 465.069376] ? find_next_bit+0xcc/0x100 [ 465.073333] pcpu_populate_chunk+0x1b3/0x880 [ 465.077708] ? find_next_bit+0xb7/0x100 [ 465.081658] pcpu_balance_workfn+0xf3e/0x1520 [ 465.086130] ? check_noncircular+0x20/0x20 [ 465.090331] ? find_held_lock+0x35/0x1d0 [ 465.094370] ? pcpu_create_chunk+0x900/0x900 [ 465.098746] ? lock_release+0xa40/0xa40 [ 465.102688] ? check_noncircular+0x20/0x20 [ 465.106894] ? lock_acquire+0x1d5/0x580 [ 465.110832] ? lock_acquire+0x1d5/0x580 [ 465.114770] ? process_one_work+0xb01/0x1af0 [ 465.119155] ? __lock_is_held+0xb6/0x140 [ 465.123193] process_one_work+0xbbf/0x1af0 [ 465.127396] ? trace_hardirqs_on+0xd/0x10 [ 465.131528] ? pwq_dec_nr_in_flight+0x450/0x450 [ 465.136172] ? __schedule+0x8f3/0x2060 [ 465.140035] ? check_noncircular+0x20/0x20 [ 465.144244] ? retint_kernel+0x10/0x10 [ 465.148099] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 465.153081] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 465.157822] ? lock_acquire+0x1d5/0x580 [ 465.161759] ? lock_acquire+0x1d5/0x580 [ 465.165698] ? worker_thread+0x4a3/0x1990 [ 465.169812] ? lock_downgrade+0x980/0x980 [ 465.173928] ? lock_release+0xa40/0xa40 [ 465.177868] ? worker_pool_assign_id+0x1b0/0x1b0 [ 465.182593] ? do_raw_spin_trylock+0x190/0x190 [ 465.187161] worker_thread+0x223/0x1990 [ 465.191119] ? process_one_work+0x1af0/0x1af0 [ 465.195583] ? _raw_spin_unlock_irq+0x27/0x70 [ 465.200049] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 465.205031] ? trace_hardirqs_on+0xd/0x10 [ 465.209150] ? mmdrop+0x18/0x30 [ 465.212398] ? finish_task_switch+0x1f6/0x740 [ 465.216860] ? copy_overflow+0x20/0x20 [ 465.220727] ? __schedule+0x8f3/0x2060 [ 465.224600] ? find_held_lock+0x35/0x1d0 [ 465.228637] ? find_held_lock+0x35/0x1d0 [ 465.232670] ? complete+0x62/0x80 [ 465.236098] ? __schedule+0x2060/0x2060 [ 465.240037] ? do_wait_intr_irq+0x3e0/0x3e0 [ 465.244324] ? __lockdep_init_map+0xe4/0x650 [ 465.248699] ? do_raw_spin_trylock+0x190/0x190 [ 465.253247] ? lockdep_init_map+0x9/0x10 [ 465.257273] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 465.262342] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 465.267326] ? trace_hardirqs_on+0xd/0x10 [ 465.271440] ? __kthread_parkme+0x175/0x240 [ 465.275729] kthread+0x33c/0x400 [ 465.279065] ? process_one_work+0x1af0/0x1af0 [ 465.283528] ? kthread_stop+0x7a0/0x7a0 [ 465.287484] ret_from_fork+0x24/0x30 [ 465.291257] Mem-Info: [ 465.293867] active_anon:4516 inactive_anon:33 isolated_anon:0 [ 465.293867] active_file:43 inactive_file:17 isolated_file:0 [ 465.293867] unevictable:0 dirty:0 writeback:0 unstable:0 [ 465.293867] slab_reclaimable:7228 slab_unreclaimable:83567 [ 465.293867] mapped:26 shmem:40 pagetables:308 bounce:0 [ 465.293867] free:24241 free_pcp:146 free_cma:0 [ 465.326111] Node 0 active_anon:18064kB inactive_anon:132kB active_file:108kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:40kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 465.353613] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 465.379781] lowmem_reserve[]: 0 2875 6386 6386 [ 465.384390] Node 0 DMA32 free:44236kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 465.411549] lowmem_reserve[]: 0 0 3510 3510 [ 465.415877] Node 0 Normal free:36820kB min:37064kB low:46328kB high:55592kB active_anon:18064kB inactive_anon:132kB active_file:0kB inactive_file:208kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1232kB bounce:0kB free_pcp:708kB local_pcp:168kB free_cma:0kB [ 465.444868] lowmem_reserve[]: 0 0 0 0 [ 465.448679] 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 [ 465.462257] Node 0 DMA32: 3*4kB (UM) 2*8kB (M) 3*16kB (M) 4*32kB (UM) 2*64kB (M) 3*128kB (UM) 4*256kB (UM) 3*512kB (M) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44236kB [ 465.477506] Node 0 Normal: 333*4kB (ME) 370*8kB (ME) 228*16kB (ME) 164*32kB (UME) 109*64kB (M) 48*128kB (M) 36*256kB (M) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 36548kB [ 465.492886] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 465.501473] 93 total pagecache pages [ 465.505201] 0 pages in swap cache [ 465.508647] Swap cache stats: add 0, delete 0, find 0/0 [ 465.513998] Free swap = 0kB [ 465.517033] Total swap = 0kB [ 465.520045] 1965979 pages RAM [ 465.523155] 0 pages HighMem/MovableOnly [ 465.527136] 326511 pages reserved [ 465.530582] Unreclaimable slab info: [ 465.534288] Name Used Total [ 465.539818] hashtab_node 118KB 119KB [ 465.545185] ebitmap_node 382KB 385KB [ 465.550546] avtab_node 1012KB 1013KB [ 465.555897] TIPC 1KB 7KB [ 465.561268] SCTPv6 2KB 4KB [ 465.566630] DCCPv6 2KB 7KB [ 465.571979] DCCP 2KB 6KB [ 465.577371] fib6_nodes 0KB 4KB [ 465.582731] ip6_dst_cache 6KB 11KB [ 465.588086] RAWv6 9KB 13KB [ 465.593455] UDPv6 12KB 14KB [ 465.598837] TCPv6 2KB 5KB [ 465.604202] sd_ext_cdb 0KB 3KB [ 465.609571] scsi_sense_cache 124KB 124KB [ 465.614932] virtio_scsi_cmd 16KB 16KB [ 465.620288] sgpool-128 8KB 8KB [ 465.625656] sgpool-64 4KB 6KB [ 465.631043] sgpool-32 307KB 307KB [ 465.636407] sgpool-16 48KB 48KB [ 465.641759] sgpool-8 210KB 210KB [ 465.647125] cfq_io_cq 16KB 19KB [ 465.652482] cfq_queue 25KB 30KB [ 465.657831] mqueue_inode_cache 1KB 7KB [ 465.663285] nfs_commit_data 3KB 7KB [ 465.668644] nfs_write_data 34KB 37KB [ 465.673995] jbd2_inode 1KB 3KB [ 465.679363] ext4_system_zone 0KB 3KB [ 465.684737] bio-1 1KB 3KB [ 465.690096] rpc_buffers 17KB 19KB [ 465.695469] rpc_tasks 2KB 3KB [ 465.700833] UNIX 1513KB 1564KB [ 465.706195] tcp_bind_bucket 0KB 4KB [ 465.711567] ip_fib_trie 0KB 3KB [ 465.716929] ip_fib_alias 0KB 3KB [ 465.722283] ip_dst_cache 3KB 8KB [ 465.727652] RAW 5KB 7KB [ 465.733116] UDP 29KB 31KB [ 465.738480] TCP 7KB 7KB [ 465.743840] hugetlbfs_inode_cache 1KB 7KB [ 465.749558] eventpoll_pwq 11KB 15KB [ 465.754918] eventpoll_epi 21KB 27KB [ 465.760288] inotify_inode_mark 4KB 7KB [ 465.765731] request_queue 31KB 39KB [ 465.771098] blkdev_ioc 22KB 27KB [ 465.776464] bio-0 405KB 405KB [ 465.781824] biovec-(1<<(21-12)) 478KB 478KB [ 465.787370] biovec-128 197KB 197KB [ 465.792733] biovec-64 126KB 126KB [ 465.798088] biovec-16 22KB 22KB [ 465.803462] bio_integrity_payload 0KB 4KB [ 465.809186] khugepaged_mm_slot 0KB 3KB [ 465.814639] uid_cache 0KB 3KB [ 465.820004] dmaengine-unmap-2 0KB 3KB [ 465.825393] audit_buffer 0KB 3KB [ 465.830757] skbuff_fclone_cache 130KB 131KB [ 465.836289] skbuff_head_cache 1822KB 1848KB [ 465.841642] configfs_dir_cache 0KB 4KB [ 465.847095] file_lock_cache 149KB 150KB [ 465.852468] file_lock_ctx 1KB 3KB [ 465.857840] fsnotify_mark_connector 2KB 3KB [ 465.863730] shmem_inode_cache 877KB 879KB [ 465.869088] task_delay_info 276KB 399KB [ 465.874463] sigqueue 312KB 322KB [ 465.879832] kernfs_node_cache 1840KB 1842KB [ 465.885185] mnt_cache 14KB 16KB [ 465.890550] filp 8086KB 8122KB [ 465.895909] names_cache 114856KB 114894KB [ 465.901265] avc_node 37KB 39KB [ 465.906630] selinux_file_security 402KB 410KB [ 465.913802] selinux_inode_security 1905KB 1912KB [ 465.919615] key_jar 3KB 7KB [ 465.925033] nsproxy 0KB 3KB [ 465.930413] vm_area_struct 16981KB 17000KB [ 465.935771] mm_struct 3939KB 3976KB [ 465.941137] fs_cache 366KB 484KB [ 465.946499] files_cache 1373KB 1605KB [ 465.951866] signal_cache 2200KB 2573KB [ 465.957237] sighand_cache 203KB 263KB [ 465.962599] task_struct 9395KB 9395KB [ 465.967969] cred_jar 2194KB 2212KB [ 465.973341] anon_vma_chain 6955KB 6965KB [ 465.978703] anon_vma 128KB 277KB [ 465.984070] pid 191KB 292KB [ 465.989434] Acpi-Operand 106KB 166KB [ 465.994788] Acpi-Namespace 19KB 23KB [ 466.000158] numa_policy 0KB 3KB [ 466.005514] debug_objects_cache 434KB 434KB [ 466.011051] trace_event_file 144KB 147KB [ 466.016414] ftrace_event_field 254KB 255KB [ 466.021864] pool_workqueue 21KB 24KB [ 466.027234] page->ptl 2740KB 2743KB [ 466.032617] kmalloc-262144 1032KB 1032KB [ 466.037982] kmalloc-131072 650KB 650KB [ 466.043355] kmalloc-65536 264KB 264KB [ 466.048714] kmalloc-32768 462KB 462KB [ 466.054068] kmalloc-16384 148KB 148KB [ 466.059430] kmalloc-8192 412KB 412KB [ 466.064795] kmalloc-4096 7917KB 7956KB [ 466.070165] kmalloc-2048 2977KB 2983KB [ 466.075523] kmalloc-1024 3843KB 3843KB [ 466.080885] kmalloc-512 2939KB 3195KB [ 466.086258] kmalloc-256 1512KB 1841KB [ 466.091618] kmalloc-128 390KB 496KB [ 466.096988] kmalloc-96 1926KB 1928KB [ 466.102361] kmalloc-64 2316KB 2320KB [ 466.107720] kmalloc-32 2285KB 2291KB [ 466.113086] kmalloc-192 798KB 800KB [ 466.118443] kmem_cache 96KB 101KB [ 466.123792] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 466.132401] [ 1607] 0 1607 5383 173 90112 0 -1000 udevd [ 466.140560] [ 2998] 0 2998 30625 166 122880 0 0 rsyslogd [ 466.148981] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 466.157055] [ 3071] 0 3071 3735 44 69632 0 0 mcstransd [ 466.165545] [ 3090] 0 3090 12490 152 139264 0 -1000 sshd [ 466.173617] [ 3124] 0 3124 3694 39 73728 0 0 getty [ 466.181781] [ 3125] 0 3125 3694 42 77824 0 0 getty [ 466.189945] [ 3126] 0 3126 3694 42 73728 0 0 getty [ 466.198138] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 466.206285] [ 3128] 0 3128 3694 40 77824 0 0 getty [ 466.214444] [ 3129] 0 3129 3694 42 77824 0 0 getty [ 466.222605] [ 3130] 0 3130 3649 39 77824 0 0 getty [ 466.230774] [ 3134] 0 3134 5681 454 86016 0 -1000 udevd [ 466.238936] [ 3135] 0 3135 5681 454 86016 0 -1000 udevd [ 466.247118] [ 3155] 0 3155 17821 198 184320 0 0 sshd [ 466.255181] [ 3157] 0 3157 280 1 32768 0 0 syzkaller136190 [ 466.264211] [ 3158] 0 3158 4371 0 32768 0 0 syzkaller136190 [ 466.273237] [ 3159] 0 3159 4371 0 32768 0 0 syzkaller136190 [ 466.282265] [ 3160] 0 3160 4371 0 32768 0 0 syzkaller136190 [ 466.291280] [ 3161] 0 3161 4371 522 36864 0 0 syzkaller136190 [ 466.300314] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller136190 [ 466.309330] [ 3163] 0 3163 4371 522 36864 0 0 syzkaller136190 [ 466.318368] [ 3164] 0 3164 4371 522 36864 0 0 syzkaller136190 [ 466.327401] [ 3165] 0 3165 4371 522 36864 0 0 syzkaller136190 [ 466.336431] Out of memory: Kill process 3161 (syzkaller136190) score 0 or sacrifice child [ 466.344768] Killed process 3161 (syzkaller136190) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 466.358981] oom_reaper: reaped process 3161 (syzkaller136190), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 466.638990] syzkaller136190 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 466.651346] syzkaller136190 cpuset=/ mems_allowed=0 [ 466.656385] CPU: 1 PID: 3163 Comm: syzkaller136190 Not tainted 4.15.0-rc4-mm1+ #49 [ 466.664075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 466.673413] Call Trace: [ 466.675982] dump_stack+0x194/0x257 [ 466.679593] ? arch_local_irq_restore+0x53/0x53 [ 466.684247] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 466.689434] dump_header+0x28c/0xe2b [ 466.693134] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 466.698310] ? pagefault_out_of_memory+0x145/0x145 [ 466.703236] ? print_irqtrace_events+0x270/0x270 [ 466.707982] ? avc_has_perm_noaudit+0x37e/0x520 [ 466.712641] ? check_noncircular+0x20/0x20 [ 466.716862] ? check_noncircular+0x20/0x20 [ 466.721083] ? print_irqtrace_events+0x270/0x270 [ 466.725824] ? reacquire_held_locks+0x1f9/0x3e0 [ 466.730471] ? reacquire_held_locks+0x1f9/0x3e0 [ 466.735129] ? check_noncircular+0x20/0x20 [ 466.739346] ? task_will_free_mem+0x252/0xaa0 [ 466.743820] ? check_noncircular+0x20/0x20 [ 466.748045] ? print_irqtrace_events+0x270/0x270 [ 466.752803] ? ___ratelimit+0x30d/0x630 [ 466.756758] ? lock_downgrade+0x980/0x980 [ 466.760882] ? lock_release+0xa40/0xa40 [ 466.764841] ? mark_held_locks+0xaf/0x100 [ 466.768977] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 466.774065] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 466.779071] ? trace_hardirqs_on+0xd/0x10 [ 466.783213] ? ___ratelimit+0x95/0x630 [ 466.787087] ? idr_get_free_cmn+0xfd0/0xfd0 [ 466.791396] ? check_noncircular+0x20/0x20 [ 466.795621] oom_kill_process+0x81b/0x9f0 [ 466.799744] ? oom_badness+0xd1/0x980 [ 466.803520] ? lock_release+0xa40/0xa40 [ 466.807482] ? oom_kill_memcg_member+0x20/0x20 [ 466.812055] ? oom_evaluate_task+0x480/0x480 [ 466.816463] ? out_of_memory+0xe1c/0x1790 [ 466.820591] ? lock_downgrade+0x980/0x980 [ 466.824725] ? lock_release+0xa40/0xa40 [ 466.828676] ? find_next_bit+0xcc/0x100 [ 466.832631] ? oom_evaluate_task+0x284/0x480 [ 466.837027] out_of_memory+0x9d5/0x1790 [ 466.840990] ? oom_killer_disable+0x310/0x310 [ 466.845480] ? mutex_trylock+0x23a/0x2d0 [ 466.849529] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 466.854444] ? __lock_is_held+0xb6/0x140 [ 466.858512] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 466.863964] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 466.868812] ? warn_alloc+0x2b0/0x2b0 [ 466.872597] ? lock_release+0xa40/0xa40 [ 466.876564] ? print_irqtrace_events+0x270/0x270 [ 466.881323] ? mutex_spin_on_owner+0x446/0xb50 [ 466.885892] ? __lock_acquire+0x664/0x3e00 [ 466.890114] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 466.896000] ? __lock_is_held+0xb6/0x140 [ 466.900071] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 466.905960] ? __might_sleep+0x95/0x190 [ 466.909922] __alloc_pages_nodemask+0x9fb/0xd80 [ 466.914573] ? vmap_page+0x1c5/0x2a0 [ 466.918277] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 466.923292] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 466.928208] ? print_irqtrace_events+0x270/0x270 [ 466.932959] ? __lock_is_held+0xb6/0x140 [ 466.937009] ? find_next_bit+0xcc/0x100 [ 466.940970] pcpu_populate_chunk+0x1b3/0x880 [ 466.945363] ? find_next_bit+0xb7/0x100 [ 466.949330] pcpu_alloc+0x978/0x10e0 [ 466.953044] ? pcpu_free_area+0xa00/0xa00 [ 466.957193] ? vmap_page_range_noflush+0x155/0x240 [ 466.962115] ? retint_kernel+0x10/0x10 [ 466.965989] ? retint_kernel+0x10/0x10 [ 466.969859] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 466.974864] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 466.979605] ? retint_kernel+0x10/0x10 [ 466.983497] ? pcpu_alloc+0x6/0x10e0 [ 466.987205] __alloc_percpu_gfp+0x27/0x30 [ 466.991333] array_map_alloc+0x68a/0x830 [ 466.995386] SyS_bpf+0x7f8/0x4420 [ 466.998840] ? perf_event_mmap+0x115/0x12a0 [ 467.003146] ? bpf_prog_get+0x20/0x20 [ 467.006920] ? perf_event_fork+0x30/0x30 [ 467.010962] ? __lock_is_held+0xb6/0x140 [ 467.014997] ? check_noncircular+0x20/0x20 [ 467.019214] ? vma_wants_writenotify+0x51/0x3b0 [ 467.023866] ? __handle_mm_fault+0x80e/0x3ce0 [ 467.028349] ? check_noncircular+0x20/0x20 [ 467.032570] ? __pmd_alloc+0x4e0/0x4e0 [ 467.036441] ? vma_link+0xe9/0x170 [ 467.039972] ? find_held_lock+0x35/0x1d0 [ 467.044019] ? handle_mm_fault+0x2a0/0x930 [ 467.048249] ? find_held_lock+0x35/0x1d0 [ 467.052310] ? __do_page_fault+0x5f7/0xc90 [ 467.056536] ? lock_downgrade+0x980/0x980 [ 467.060692] ? handle_mm_fault+0x476/0x930 [ 467.064906] ? down_read_trylock+0xdb/0x170 [ 467.069208] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 467.073773] ? vmacache_find+0x5f/0x280 [ 467.077734] ? vmacache_update+0xfe/0x130 [ 467.081876] ? up_read+0x1a/0x40 [ 467.085226] ? __do_page_fault+0x3d6/0xc90 [ 467.089460] ? mm_fault_error+0x2c0/0x2c0 [ 467.093617] ? do_page_fault+0xee/0x720 [ 467.097579] ? __do_page_fault+0xc90/0xc90 [ 467.101809] ? SyS_mmap_pgoff+0x243/0x5f0 [ 467.105942] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 467.110689] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 467.115427] RIP: 0033:0x440139 [ 467.118597] RSP: 002b:00007ffd6ff326c8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 467.126289] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 467.133540] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 467.140792] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 467.148042] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 467.155296] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 467.162651] Mem-Info: [ 467.165319] active_anon:3999 inactive_anon:33 isolated_anon:0 [ 467.165319] active_file:53 inactive_file:0 isolated_file:0 [ 467.165319] unevictable:0 dirty:0 writeback:0 unstable:0 [ 467.165319] slab_reclaimable:7232 slab_unreclaimable:83612 [ 467.165319] mapped:18 shmem:40 pagetables:307 bounce:0 [ 467.165319] free:24207 free_pcp:104 free_cma:0 [ 467.197464] Node 0 active_anon:15996kB inactive_anon:132kB active_file:212kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 467.224379] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 467.250523] lowmem_reserve[]: 0 2875 6386 6386 [ 467.255141] Node 0 DMA32 free:44236kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 467.282322] lowmem_reserve[]: 0 0 3510 3510 [ 467.286684] Node 0 Normal free:36684kB min:37064kB low:46328kB high:55592kB active_anon:15996kB inactive_anon:132kB active_file:216kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1228kB bounce:0kB free_pcp:416kB local_pcp:256kB free_cma:0kB [ 467.316490] lowmem_reserve[]: 0 0 0 0 [ 467.320326] 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 [ 467.333964] Node 0 DMA32: 3*4kB (UM) 2*8kB (M) 3*16kB (M) 4*32kB (UM) 2*64kB (M) 3*128kB (UM) 4*256kB (UM) 3*512kB (M) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44236kB [ 467.349263] Node 0 Normal: 453*4kB (ME) 373*8kB (UME) 229*16kB (UME) 166*32kB (UME) 109*64kB (M) 49*128kB (UM) 36*256kB (M) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 36748kB [ 467.364894] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 467.373473] 69 total pagecache pages [ 467.377200] 0 pages in swap cache [ 467.380658] Swap cache stats: add 0, delete 0, find 0/0 [ 467.386039] Free swap = 0kB [ 467.389059] Total swap = 0kB [ 467.392085] 1965979 pages RAM [ 467.395208] 0 pages HighMem/MovableOnly [ 467.399184] 326511 pages reserved [ 467.402638] Unreclaimable slab info: [ 467.406355] Name Used Total [ 467.411888] hashtab_node 118KB 119KB [ 467.417254] ebitmap_node 382KB 385KB [ 467.422628] avtab_node 1012KB 1013KB [ 467.427988] TIPC 1KB 7KB [ 467.433363] SCTPv6 2KB 4KB [ 467.438745] DCCPv6 2KB 7KB [ 467.444136] DCCP 2KB 6KB [ 467.449525] fib6_nodes 0KB 4KB [ 467.454889] ip6_dst_cache 6KB 11KB [ 467.460262] RAWv6 9KB 13KB [ 467.465640] UDPv6 12KB 14KB [ 467.471007] TCPv6 2KB 5KB [ 467.476402] sd_ext_cdb 0KB 3KB [ 467.481772] scsi_sense_cache 136KB 136KB [ 467.487148] virtio_scsi_cmd 16KB 16KB [ 467.492524] sgpool-128 8KB 8KB [ 467.497880] sgpool-64 4KB 6KB [ 467.503251] sgpool-32 354KB 354KB [ 467.508621] sgpool-16 56KB 56KB [ 467.513978] sgpool-8 221KB 221KB [ 467.519341] cfq_io_cq 15KB 19KB [ 467.524712] cfq_queue 24KB 30KB [ 467.530087] mqueue_inode_cache 1KB 7KB [ 467.535543] nfs_commit_data 3KB 7KB [ 467.540907] nfs_write_data 34KB 37KB [ 467.546272] jbd2_inode 1KB 3KB [ 467.551640] ext4_system_zone 0KB 3KB [ 467.556999] bio-1 1KB 3KB [ 467.562400] rpc_buffers 17KB 19KB [ 467.567769] rpc_tasks 2KB 3KB [ 467.573149] UNIX 1473KB 1526KB [ 467.578525] tcp_bind_bucket 0KB 4KB [ 467.583896] ip_fib_trie 0KB 3KB [ 467.589259] ip_fib_alias 0KB 3KB [ 467.594633] ip_dst_cache 3KB 8KB [ 467.599994] RAW 5KB 7KB [ 467.605367] UDP 29KB 31KB [ 467.610742] TCP 7KB 7KB [ 467.616115] hugetlbfs_inode_cache 1KB 7KB [ 467.621821] eventpoll_pwq 11KB 15KB [ 467.627188] eventpoll_epi 21KB 27KB [ 467.632563] inotify_inode_mark 4KB 7KB [ 467.638040] request_queue 31KB 39KB [ 467.643415] blkdev_ioc 21KB 27KB [ 467.648798] bio-0 431KB 431KB [ 467.654171] biovec-(1<<(21-12)) 478KB 478KB [ 467.659720] biovec-128 242KB 242KB [ 467.665097] biovec-64 149KB 149KB [ 467.670469] biovec-16 22KB 22KB [ 467.675831] bio_integrity_payload 0KB 4KB [ 467.681543] khugepaged_mm_slot 0KB 3KB [ 467.686996] uid_cache 0KB 3KB [ 467.692370] dmaengine-unmap-2 0KB 3KB [ 467.697745] audit_buffer 0KB 3KB [ 467.703130] skbuff_fclone_cache 130KB 131KB [ 467.708677] skbuff_head_cache 1819KB 1841KB [ 467.714054] configfs_dir_cache 0KB 4KB [ 467.719516] file_lock_cache 149KB 150KB [ 467.724876] file_lock_ctx 1KB 3KB [ 467.730244] fsnotify_mark_connector 2KB 3KB [ 467.736143] shmem_inode_cache 877KB 879KB [ 467.741523] task_delay_info 275KB 399KB [ 467.746922] sigqueue 311KB 322KB [ 467.752297] kernfs_node_cache 1840KB 1842KB [ 467.757675] mnt_cache 14KB 16KB [ 467.763049] filp 8069KB 8100KB [ 467.768424] names_cache 114847KB 114886KB [ 467.773792] avc_node 37KB 39KB [ 467.779160] selinux_file_security 401KB 410KB [ 467.784879] selinux_inode_security 1905KB 1912KB [ 467.790682] key_jar 3KB 7KB [ 467.796056] nsproxy 0KB 3KB [ 467.801429] vm_area_struct 16981KB 16996KB [ 467.806796] mm_struct 3939KB 3976KB [ 467.812164] fs_cache 366KB 484KB [ 467.817535] files_cache 1373KB 1605KB [ 467.822893] signal_cache 2200KB 2573KB [ 467.828257] sighand_cache 201KB 249KB [ 467.833633] task_struct 9395KB 9395KB [ 467.838997] cred_jar 2193KB 2212KB [ 467.844375] anon_vma_chain 6955KB 6965KB [ 467.849750] anon_vma 123KB 269KB [ 467.855131] pid 191KB 292KB [ 467.860505] Acpi-Operand 106KB 166KB [ 467.865867] Acpi-Namespace 19KB 23KB [ 467.871234] numa_policy 0KB 3KB [ 467.876621] debug_objects_cache 434KB 434KB [ 467.882169] trace_event_file 144KB 147KB [ 467.887542] ftrace_event_field 254KB 255KB [ 467.892988] pool_workqueue 21KB 24KB [ 467.898358] page->ptl 2740KB 2743KB [ 467.903752] kmalloc-262144 1032KB 1032KB [ 467.909128] kmalloc-131072 650KB 650KB [ 467.914495] kmalloc-65536 264KB 264KB [ 467.919853] kmalloc-32768 462KB 462KB [ 467.925214] kmalloc-16384 148KB 148KB [ 467.930583] kmalloc-8192 412KB 412KB [ 467.935947] kmalloc-4096 7909KB 7939KB [ 467.941311] kmalloc-2048 2977KB 2983KB [ 467.946680] kmalloc-1024 3937KB 3937KB [ 467.952050] kmalloc-512 2933KB 3187KB [ 467.957443] kmalloc-256 1511KB 1837KB [ 467.962805] kmalloc-128 389KB 496KB [ 467.968164] kmalloc-96 1926KB 1928KB [ 467.973533] kmalloc-64 2316KB 2320KB [ 467.978885] kmalloc-32 2282KB 2291KB [ 467.984245] kmalloc-192 799KB 800KB [ 467.989611] kmem_cache 96KB 101KB [ 467.994963] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 468.003562] [ 1607] 0 1607 5383 173 90112 0 -1000 udevd [ 468.011721] [ 2998] 0 2998 30625 166 122880 0 0 rsyslogd [ 468.020147] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 468.028224] [ 3071] 0 3071 3735 44 69632 0 0 mcstransd [ 468.036733] [ 3090] 0 3090 12490 152 139264 0 -1000 sshd [ 468.044801] [ 3124] 0 3124 3694 39 73728 0 0 getty [ 468.052938] [ 3125] 0 3125 3694 42 77824 0 0 getty [ 468.061090] [ 3126] 0 3126 3694 42 73728 0 0 getty [ 468.069246] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 468.077405] [ 3128] 0 3128 3694 40 77824 0 0 getty [ 468.085562] [ 3129] 0 3129 3694 42 77824 0 0 getty [ 468.093731] [ 3130] 0 3130 3649 39 77824 0 0 getty [ 468.101878] [ 3134] 0 3134 5681 454 86016 0 -1000 udevd [ 468.110036] [ 3135] 0 3135 5681 454 86016 0 -1000 udevd [ 468.118198] [ 3155] 0 3155 17821 198 184320 0 0 sshd [ 468.126267] [ 3157] 0 3157 280 1 32768 0 0 syzkaller136190 [ 468.135291] [ 3158] 0 3158 4371 0 32768 0 0 syzkaller136190 [ 468.144315] [ 3159] 0 3159 4371 0 32768 0 0 syzkaller136190 [ 468.153338] [ 3160] 0 3160 4371 0 32768 0 0 syzkaller136190 [ 468.162345] [ 3161] 0 3161 4371 0 32768 0 0 syzkaller136190 [ 468.171360] [ 3162] 0 3162 4371 522 36864 0 0 syzkaller136190 [ 468.180391] [ 3163] 0 3163 4371 522 36864 0 0 syzkaller136190 [ 468.189421] [ 3164] 0 3164 4371 522 36864 0 0 syzkaller136190 [ 468.198450] [ 3165] 0 3165 4371 522 36864 0 0 syzkaller136190 [ 468.207478] Out of memory: Kill process 3162 (syzkaller136190) score 0 or sacrifice child [ 468.215811] Killed process 3162 (syzkaller136190) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 468.228609] oom_reaper: reaped process 3162 (syzkaller136190), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 468.294397] kworker/1:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 468.307117] kworker/1:1 cpuset=/ mems_allowed=0 [ 468.311839] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.15.0-rc4-mm1+ #49 [ 468.319000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 468.328341] Workqueue: events pcpu_balance_workfn [ 468.333154] Call Trace: [ 468.335713] dump_stack+0x194/0x257 [ 468.339315] ? arch_local_irq_restore+0x53/0x53 [ 468.343952] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 468.349115] dump_header+0x28c/0xe2b [ 468.352803] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 468.357963] ? pagefault_out_of_memory+0x145/0x145 [ 468.362862] ? print_irqtrace_events+0x270/0x270 [ 468.367600] ? avc_has_perm_noaudit+0x37e/0x520 [ 468.372238] ? check_noncircular+0x20/0x20 [ 468.376464] ? check_noncircular+0x20/0x20 [ 468.380667] ? print_irqtrace_events+0x270/0x270 [ 468.385395] ? reacquire_held_locks+0x1f9/0x3e0 [ 468.390032] ? reacquire_held_locks+0x1f9/0x3e0 [ 468.394670] ? check_noncircular+0x20/0x20 [ 468.398870] ? task_will_free_mem+0x252/0xaa0 [ 468.403337] ? check_noncircular+0x20/0x20 [ 468.407547] ? print_irqtrace_events+0x270/0x270 [ 468.412283] ? ___ratelimit+0x30d/0x630 [ 468.416226] ? lock_downgrade+0x980/0x980 [ 468.420343] ? lock_release+0xa40/0xa40 [ 468.424288] ? mark_held_locks+0xaf/0x100 [ 468.428405] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 468.433481] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 468.438469] ? trace_hardirqs_on+0xd/0x10 [ 468.442587] ? ___ratelimit+0x95/0x630 [ 468.446444] ? idr_get_free_cmn+0xfd0/0xfd0 [ 468.450735] ? check_noncircular+0x20/0x20 [ 468.454950] oom_kill_process+0x81b/0x9f0 [ 468.459069] ? oom_badness+0xd1/0x980 [ 468.462843] ? lock_release+0xa40/0xa40 [ 468.466797] ? oom_kill_memcg_member+0x20/0x20 [ 468.471351] ? oom_evaluate_task+0x480/0x480 [ 468.475736] ? out_of_memory+0xe1c/0x1790 [ 468.479856] ? lock_downgrade+0x980/0x980 [ 468.483979] ? lock_release+0xa40/0xa40 [ 468.487922] ? find_next_bit+0xcc/0x100 [ 468.491873] ? blocking_notifier_call_chain+0x112/0x190 [ 468.497213] ? oom_evaluate_task+0x284/0x480 [ 468.501592] out_of_memory+0x9d5/0x1790 [ 468.505543] ? oom_killer_disable+0x310/0x310 [ 468.510015] ? mutex_trylock+0x23a/0x2d0 [ 468.514049] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 468.518956] ? __lock_is_held+0xb6/0x140 [ 468.522986] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 468.528413] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 468.533248] ? warn_alloc+0x2b0/0x2b0 [ 468.537021] ? check_noncircular+0x20/0x20 [ 468.541235] ? print_irqtrace_events+0x270/0x270 [ 468.545960] ? lock_release+0xa40/0xa40 [ 468.549903] ? lock_pin_lock+0x360/0x360 [ 468.553943] ? lock_acquire+0x1d5/0x580 [ 468.557883] ? lock_acquire+0x1d5/0x580 [ 468.561832] ? __lock_acquire+0x664/0x3e00 [ 468.566045] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 468.571897] ? lock_release+0xa40/0xa40 [ 468.575854] ? __lock_is_held+0xb6/0x140 [ 468.579902] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 468.585772] ? __might_sleep+0x95/0x190 [ 468.589721] __alloc_pages_nodemask+0x9fb/0xd80 [ 468.594357] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 468.599517] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 468.604500] ? __lock_acquire+0x664/0x3e00 [ 468.608706] ? __lock_acquire+0x664/0x3e00 [ 468.612912] ? print_irqtrace_events+0x270/0x270 [ 468.617640] ? __lock_is_held+0xb6/0x140 [ 468.621673] ? find_next_bit+0xcc/0x100 [ 468.625622] pcpu_populate_chunk+0x1b3/0x880 [ 468.629996] ? find_next_bit+0xb7/0x100 [ 468.633952] pcpu_balance_workfn+0xf3e/0x1520 [ 468.638421] ? check_noncircular+0x20/0x20 [ 468.642626] ? find_held_lock+0x35/0x1d0 [ 468.646662] ? pcpu_create_chunk+0x900/0x900 [ 468.651040] ? lock_release+0xa40/0xa40 [ 468.654993] ? check_noncircular+0x20/0x20 [ 468.659205] ? lock_acquire+0x1d5/0x580 [ 468.663145] ? lock_acquire+0x1d5/0x580 [ 468.667087] ? process_one_work+0xb01/0x1af0 [ 468.671475] ? __lock_is_held+0xb6/0x140 [ 468.675516] process_one_work+0xbbf/0x1af0 [ 468.679718] ? trace_hardirqs_on+0xd/0x10 [ 468.683854] ? pwq_dec_nr_in_flight+0x450/0x450 [ 468.688505] ? __schedule+0x8f3/0x2060 [ 468.692358] ? update_curr+0x2e3/0xa60 [ 468.696219] ? check_noncircular+0x20/0x20 [ 468.700423] ? retint_kernel+0x10/0x10 [ 468.704282] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 468.709271] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 468.714022] ? lock_acquire+0x1d5/0x580 [ 468.717965] ? lock_acquire+0x1d5/0x580 [ 468.721905] ? worker_thread+0x4a3/0x1990 [ 468.726034] ? lock_downgrade+0x980/0x980 [ 468.730158] ? lock_release+0xa40/0xa40 [ 468.734104] ? worker_pool_assign_id+0x1b0/0x1b0 [ 468.738829] ? do_raw_spin_trylock+0x190/0x190 [ 468.743390] worker_thread+0x223/0x1990 [ 468.747349] ? process_one_work+0x1af0/0x1af0 [ 468.751814] ? _raw_spin_unlock_irq+0x27/0x70 [ 468.756281] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 468.761263] ? trace_hardirqs_on+0xd/0x10 [ 468.765375] ? mmdrop+0x18/0x30 [ 468.768636] ? finish_task_switch+0x1f6/0x740 [ 468.773102] ? copy_overflow+0x20/0x20 [ 468.776968] ? __schedule+0x8f3/0x2060 [ 468.780840] ? find_held_lock+0x35/0x1d0 [ 468.784873] ? find_held_lock+0x35/0x1d0 [ 468.788911] ? complete+0x62/0x80 [ 468.792344] ? __schedule+0x2060/0x2060 [ 468.796295] ? do_wait_intr_irq+0x3e0/0x3e0 [ 468.800589] ? __lockdep_init_map+0xe4/0x650 [ 468.804974] ? do_raw_spin_trylock+0x190/0x190 [ 468.809545] ? lockdep_init_map+0x9/0x10 [ 468.813575] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 468.818650] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 468.823634] ? trace_hardirqs_on+0xd/0x10 [ 468.827749] ? __kthread_parkme+0x175/0x240 [ 468.832041] kthread+0x33c/0x400 [ 468.835374] ? process_one_work+0x1af0/0x1af0 [ 468.839834] ? kthread_stop+0x7a0/0x7a0 [ 468.843777] ret_from_fork+0x24/0x30 [ 468.847526] Mem-Info: [ 468.849972] active_anon:3482 inactive_anon:33 isolated_anon:0 [ 468.849972] active_file:22 inactive_file:0 isolated_file:0 [ 468.849972] unevictable:0 dirty:1 writeback:0 unstable:0 [ 468.849972] slab_reclaimable:7231 slab_unreclaimable:83620 [ 468.849972] mapped:15 shmem:40 pagetables:306 bounce:0 [ 468.849972] free:24185 free_pcp:30 free_cma:0 [ 468.882014] Node 0 active_anon:13928kB inactive_anon:132kB active_file:88kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:60kB dirty:4kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 468.908829] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 468.934946] lowmem_reserve[]: 0 2875 6386 6386 [ 468.939545] Node 0 DMA32 free:44236kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 468.966753] lowmem_reserve[]: 0 0 3510 3510 [ 468.971083] Node 0 Normal free:36596kB min:37064kB low:46328kB high:55592kB active_anon:13928kB inactive_anon:132kB active_file:196kB inactive_file:80kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1224kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 468.999981] lowmem_reserve[]: 0 0 0 0 [ 469.003791] 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 [ 469.017380] Node 0 DMA32: 3*4kB (UM) 2*8kB (M) 3*16kB (M) 4*32kB (UM) 2*64kB (M) 3*128kB (UM) 4*256kB (UM) 3*512kB (M) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44236kB [ 469.032681] Node 0 Normal: 467*4kB (UME) 375*8kB (UME) 226*16kB (UME) 166*32kB (UME) 110*64kB (UM) 48*128kB (UM) 38*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36708kB [ 469.048167] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 469.056740] 84 total pagecache pages [ 469.060448] 0 pages in swap cache [ 469.063889] Swap cache stats: add 0, delete 0, find 0/0 [ 469.069249] Free swap = 0kB [ 469.072259] Total swap = 0kB [ 469.075277] 1965979 pages RAM [ 469.078374] 0 pages HighMem/MovableOnly [ 469.082333] 326511 pages reserved [ 469.085772] Unreclaimable slab info: [ 469.089486] Name Used Total [ 469.095047] hashtab_node 118KB 119KB [ 469.100407] ebitmap_node 382KB 385KB [ 469.105772] avtab_node 1012KB 1013KB [ 469.111146] TIPC 1KB 7KB [ 469.116508] SCTPv6 2KB 4KB [ 469.121867] DCCPv6 2KB 7KB [ 469.127238] DCCP 2KB 6KB [ 469.132607] fib6_nodes 0KB 4KB [ 469.137956] ip6_dst_cache 6KB 11KB [ 469.143322] RAWv6 9KB 13KB [ 469.148685] UDPv6 12KB 14KB [ 469.154036] TCPv6 2KB 5KB [ 469.159411] sd_ext_cdb 0KB 3KB [ 469.164769] scsi_sense_cache 140KB 140KB [ 469.170130] virtio_scsi_cmd 16KB 16KB [ 469.175498] sgpool-128 8KB 8KB [ 469.180862] sgpool-64 4KB 6KB [ 469.186214] sgpool-32 370KB 370KB [ 469.191577] sgpool-16 55KB 56KB [ 469.196945] sgpool-8 221KB 221KB [ 469.202298] cfq_io_cq 18KB 19KB [ 469.207668] cfq_queue 24KB 30KB [ 469.213044] mqueue_inode_cache 1KB 7KB [ 469.218492] nfs_commit_data 3KB 7KB [ 469.223841] nfs_write_data 34KB 37KB [ 469.229206] jbd2_inode 1KB 3KB [ 469.234564] ext4_system_zone 0KB 3KB [ 469.239920] bio-1 1KB 3KB [ 469.245295] rpc_buffers 17KB 19KB [ 469.250665] rpc_tasks 2KB 3KB [ 469.256030] UNIX 1471KB 1526KB [ 469.261397] tcp_bind_bucket 0KB 4KB [ 469.266759] ip_fib_trie 0KB 3KB [ 469.272112] ip_fib_alias 0KB 3KB [ 469.277483] ip_dst_cache 3KB 8KB [ 469.282844] RAW 5KB 7KB [ 469.288198] UDP 29KB 31KB [ 469.293567] TCP 7KB 7KB [ 469.299577] hugetlbfs_inode_cache 1KB 7KB [ 469.305305] eventpoll_pwq 11KB 15KB [ 469.310671] eventpoll_epi 21KB 27KB [ 469.316042] inotify_inode_mark 4KB 7KB [ 469.321496] request_queue 31KB 39KB [ 469.326856] blkdev_ioc 25KB 27KB [ 469.332213] bio-0 438KB 438KB [ 469.337567] biovec-(1<<(21-12)) 486KB 486KB [ 469.343102] biovec-128 248KB 248KB [ 469.348470] biovec-64 149KB 149KB [ 469.353831] biovec-16 22KB 22KB [ 469.359202] bio_integrity_payload 0KB 4KB [ 469.364906] khugepaged_mm_slot 0KB 3KB [ 469.370363] uid_cache 0KB 3KB [ 469.375724] dmaengine-unmap-2 0KB 3KB [ 469.381077] audit_buffer 0KB 3KB [ 469.386450] skbuff_fclone_cache 130KB 131KB [ 469.391984] skbuff_head_cache 1815KB 1841KB [ 469.397340] configfs_dir_cache 0KB 4KB [ 469.402777] file_lock_cache 149KB 150KB [ 469.408145] file_lock_ctx 1KB 3KB [ 469.413506] fsnotify_mark_connector 2KB 3KB [ 469.419381] shmem_inode_cache 877KB 879KB [ 469.424733] task_delay_info 275KB 399KB [ 469.430096] sigqueue 311KB 322KB [ 469.435467] kernfs_node_cache 1840KB 1842KB [ 469.440823] mnt_cache 14KB 16KB [ 469.446190] filp 8062KB 8100KB [ 469.451549] names_cache 114843KB 114881KB [ 469.456906] avc_node 37KB 39KB [ 469.462274] selinux_file_security 401KB 410KB [ 469.467990] selinux_inode_security 1904KB 1912KB [ 469.473791] key_jar 3KB 7KB [ 469.479147] nsproxy 0KB 3KB [ 469.484516] vm_area_struct 16981KB 16996KB [ 469.489884] mm_struct 3939KB 3976KB [ 469.495251] fs_cache 366KB 484KB [ 469.500625] files_cache 1373KB 1605KB [ 469.505994] signal_cache 2200KB 2573KB [ 469.511366] sighand_cache 201KB 249KB [ 469.516725] task_struct 9395KB 9395KB [ 469.522093] cred_jar 2193KB 2212KB [ 469.527453] anon_vma_chain 6955KB 6965KB [ 469.532809] anon_vma 123KB 269KB [ 469.538177] pid 191KB 292KB [ 469.543539] Acpi-Operand 106KB 166KB [ 469.548893] Acpi-Namespace 19KB 23KB [ 469.554261] numa_policy 0KB 3KB [ 469.559628] debug_objects_cache 434KB 434KB [ 469.565157] trace_event_file 144KB 147KB [ 469.570523] ftrace_event_field 254KB 255KB [ 469.575972] pool_workqueue 21KB 24KB [ 469.581324] page->ptl 2740KB 2743KB [ 469.586716] kmalloc-262144 1032KB 1032KB [ 469.592084] kmalloc-131072 650KB 650KB [ 469.597444] kmalloc-65536 264KB 264KB [ 469.602794] kmalloc-32768 462KB 462KB [ 469.608161] kmalloc-16384 148KB 148KB [ 469.613518] kmalloc-8192 412KB 412KB [ 469.618869] kmalloc-4096 7905KB 7939KB [ 469.624231] kmalloc-2048 2977KB 2983KB [ 469.629592] kmalloc-1024 3969KB 3969KB [ 469.634944] kmalloc-512 2931KB 3187KB [ 469.640331] kmalloc-256 1511KB 1833KB [ 469.645698] kmalloc-128 389KB 496KB [ 469.651055] kmalloc-96 1926KB 1928KB [ 469.656423] kmalloc-64 2319KB 2320KB [ 469.661782] kmalloc-32 2281KB 2291KB [ 469.667135] kmalloc-192 799KB 800KB [ 469.672503] kmem_cache 96KB 101KB [ 469.677864] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 469.686469] [ 1607] 0 1607 5383 173 90112 0 -1000 udevd [ 469.694638] [ 2998] 0 2998 30625 166 122880 0 0 rsyslogd [ 469.703045] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 469.711096] [ 3071] 0 3071 3735 44 69632 0 0 mcstransd [ 469.719587] [ 3090] 0 3090 12490 152 139264 0 -1000 sshd [ 469.727643] [ 3124] 0 3124 3694 39 73728 0 0 getty [ 469.735806] [ 3125] 0 3125 3694 42 77824 0 0 getty [ 469.743950] [ 3126] 0 3126 3694 42 73728 0 0 getty [ 469.752106] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 469.760280] [ 3128] 0 3128 3694 40 77824 0 0 getty [ 469.768442] [ 3129] 0 3129 3694 42 77824 0 0 getty [ 469.776616] [ 3130] 0 3130 3649 39 77824 0 0 getty [ 469.784939] [ 3134] 0 3134 5681 454 86016 0 -1000 udevd [ 469.793079] [ 3135] 0 3135 5681 454 86016 0 -1000 udevd [ 469.801229] [ 3155] 0 3155 17821 198 184320 0 0 sshd [ 469.809286] [ 3157] 0 3157 280 1 32768 0 0 syzkaller136190 [ 469.818309] [ 3158] 0 3158 4371 0 32768 0 0 syzkaller136190 [ 469.827321] [ 3159] 0 3159 4371 0 32768 0 0 syzkaller136190 [ 469.836352] [ 3160] 0 3160 4371 0 32768 0 0 syzkaller136190 [ 469.845366] [ 3161] 0 3161 4371 0 32768 0 0 syzkaller136190 [ 469.854385] [ 3162] 0 3162 4371 0 32768 0 0 syzkaller136190 [ 469.863403] [ 3163] 0 3163 4371 522 36864 0 0 syzkaller136190 [ 469.872428] [ 3164] 0 3164 4371 522 36864 0 0 syzkaller136190 [ 469.881452] [ 3165] 0 3165 4371 522 36864 0 0 syzkaller136190 [ 469.890470] Out of memory: Kill process 3163 (syzkaller136190) score 0 or sacrifice child [ 469.898807] Killed process 3163 (syzkaller136190) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 469.911893] oom_reaper: reaped process 3163 (syzkaller136190), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 470.124549] kworker/0:0 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 470.136554] kworker/0:0 cpuset=/ mems_allowed=0 [ 470.141222] CPU: 0 PID: 3167 Comm: kworker/0:0 Not tainted 4.15.0-rc4-mm1+ #49 [ 470.148543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 470.157872] Workqueue: events pcpu_balance_workfn [ 470.162676] Call Trace: [ 470.165232] dump_stack+0x194/0x257 [ 470.168827] ? arch_local_irq_restore+0x53/0x53 [ 470.173463] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 470.178626] dump_header+0x28c/0xe2b [ 470.182322] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 470.187486] ? pagefault_out_of_memory+0x145/0x145 [ 470.192395] ? print_irqtrace_events+0x270/0x270 [ 470.197146] ? avc_has_perm_noaudit+0x37e/0x520 [ 470.201799] ? check_noncircular+0x20/0x20 [ 470.206015] ? check_noncircular+0x20/0x20 [ 470.210233] ? print_irqtrace_events+0x270/0x270 [ 470.214976] ? reacquire_held_locks+0x1f9/0x3e0 [ 470.219622] ? reacquire_held_locks+0x1f9/0x3e0 [ 470.224275] ? check_noncircular+0x20/0x20 [ 470.228489] ? task_will_free_mem+0x252/0xaa0 [ 470.232961] ? check_noncircular+0x20/0x20 [ 470.237199] ? print_irqtrace_events+0x270/0x270 [ 470.241963] ? ___ratelimit+0x30d/0x630 [ 470.245921] ? lock_downgrade+0x980/0x980 [ 470.250057] ? lock_release+0xa40/0xa40 [ 470.254026] ? mark_held_locks+0xaf/0x100 [ 470.258160] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 470.263248] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 470.268245] ? trace_hardirqs_on+0xd/0x10 [ 470.272379] ? ___ratelimit+0x95/0x630 [ 470.276250] ? idr_get_free_cmn+0xfd0/0xfd0 [ 470.280553] ? check_noncircular+0x20/0x20 [ 470.284783] oom_kill_process+0x81b/0x9f0 [ 470.288911] ? oom_badness+0xd1/0x980 [ 470.292690] ? lock_release+0xa40/0xa40 [ 470.296648] ? oom_kill_memcg_member+0x20/0x20 [ 470.301219] ? oom_evaluate_task+0x480/0x480 [ 470.305619] ? out_of_memory+0xe1c/0x1790 [ 470.309758] ? lock_downgrade+0x980/0x980 [ 470.313894] ? lock_release+0xa40/0xa40 [ 470.317849] ? blocking_notifier_call_chain+0x112/0x190 [ 470.323210] ? oom_evaluate_task+0x284/0x480 [ 470.327607] out_of_memory+0x9d5/0x1790 [ 470.331577] ? oom_killer_disable+0x310/0x310 [ 470.336067] ? mutex_trylock+0x23a/0x2d0 [ 470.340108] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 470.345022] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 470.350450] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 470.356333] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 470.361204] ? warn_alloc+0x2b0/0x2b0 [ 470.364986] ? check_noncircular+0x20/0x20 [ 470.369216] ? print_irqtrace_events+0x270/0x270 [ 470.373958] ? lock_release+0xa40/0xa40 [ 470.377917] ? lock_pin_lock+0x360/0x360 [ 470.381969] ? lock_acquire+0x1d5/0x580 [ 470.385924] ? lock_acquire+0x1d5/0x580 [ 470.389884] ? __lock_acquire+0x664/0x3e00 [ 470.394106] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 470.399973] ? lock_release+0xa40/0xa40 [ 470.403988] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 470.409870] ? __might_sleep+0x95/0x190 [ 470.413836] __alloc_pages_nodemask+0x9fb/0xd80 [ 470.418489] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 470.423671] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 470.428669] ? __lock_acquire+0x664/0x3e00 [ 470.432892] ? __lock_acquire+0x664/0x3e00 [ 470.437120] ? print_irqtrace_events+0x270/0x270 [ 470.441866] ? __lock_is_held+0xb6/0x140 [ 470.445917] ? find_next_bit+0xcc/0x100 [ 470.449885] pcpu_populate_chunk+0x1b3/0x880 [ 470.454274] ? find_next_bit+0xb7/0x100 [ 470.458245] pcpu_balance_workfn+0xf3e/0x1520 [ 470.463230] ? check_noncircular+0x20/0x20 [ 470.467445] ? find_held_lock+0x35/0x1d0 [ 470.471510] ? pcpu_create_chunk+0x900/0x900 [ 470.475906] ? lock_release+0xa40/0xa40 [ 470.479868] ? check_noncircular+0x20/0x20 [ 470.484097] ? lock_acquire+0x1d5/0x580 [ 470.488053] ? lock_acquire+0x1d5/0x580 [ 470.492004] ? process_one_work+0xb01/0x1af0 [ 470.496412] ? __lock_is_held+0xb6/0x140 [ 470.500480] process_one_work+0xbbf/0x1af0 [ 470.504695] ? trace_hardirqs_on+0xd/0x10 [ 470.508842] ? pwq_dec_nr_in_flight+0x450/0x450 [ 470.513510] ? __schedule+0x8f3/0x2060 [ 470.517396] ? check_noncircular+0x20/0x20 [ 470.521611] ? retint_kernel+0x10/0x10 [ 470.525483] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 470.530484] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 470.535254] ? lock_acquire+0x1d5/0x580 [ 470.539208] ? lock_acquire+0x1d5/0x580 [ 470.543165] ? worker_thread+0x4a3/0x1990 [ 470.547296] ? lock_downgrade+0x980/0x980 [ 470.551431] ? lock_release+0xa40/0xa40 [ 470.555387] ? worker_pool_assign_id+0x1b0/0x1b0 [ 470.560128] ? do_raw_spin_trylock+0x190/0x190 [ 470.564713] worker_thread+0x223/0x1990 [ 470.568705] ? process_one_work+0x1af0/0x1af0 [ 470.573189] ? _raw_spin_unlock_irq+0x27/0x70 [ 470.577667] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 470.582663] ? trace_hardirqs_on+0xd/0x10 [ 470.586792] ? mmdrop+0x18/0x30 [ 470.590056] ? finish_task_switch+0x1f6/0x740 [ 470.594537] ? copy_overflow+0x20/0x20 [ 470.598422] ? __schedule+0x8f3/0x2060 [ 470.602331] ? find_held_lock+0x35/0x1d0 [ 470.606383] ? find_held_lock+0x35/0x1d0 [ 470.610436] ? complete+0x62/0x80 [ 470.613886] ? __schedule+0x2060/0x2060 [ 470.617838] ? do_wait_intr_irq+0x3e0/0x3e0 [ 470.622142] ? __lockdep_init_map+0xe4/0x650 [ 470.626531] ? do_raw_spin_trylock+0x190/0x190 [ 470.631095] ? lockdep_init_map+0x9/0x10 [ 470.635136] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 470.640222] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 470.645220] ? trace_hardirqs_on+0xd/0x10 [ 470.649347] ? __kthread_parkme+0x175/0x240 [ 470.653663] kthread+0x33c/0x400 [ 470.657011] ? process_one_work+0x1af0/0x1af0 [ 470.661483] ? kthread_stop+0x7a0/0x7a0 [ 470.665443] ret_from_fork+0x24/0x30 [ 470.669243] Mem-Info: [ 470.672282] active_anon:2965 inactive_anon:33 isolated_anon:0 [ 470.672282] active_file:17 inactive_file:12 isolated_file:0 [ 470.672282] unevictable:0 dirty:0 writeback:0 unstable:0 [ 470.672282] slab_reclaimable:7235 slab_unreclaimable:83656 [ 470.672282] mapped:2 shmem:40 pagetables:305 bounce:0 [ 470.672282] free:24288 free_pcp:0 free_cma:0 [ 470.704425] Node 0 active_anon:11860kB inactive_anon:132kB active_file:24kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 470.731329] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 470.757705] lowmem_reserve[]: 0 2875 6386 6386 [ 470.762342] Node 0 DMA32 free:44236kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 470.789550] lowmem_reserve[]: 0 0 3510 3510 [ 470.793910] Node 0 Normal free:36820kB min:37064kB low:46328kB high:55592kB active_anon:11860kB inactive_anon:132kB active_file:52kB inactive_file:16kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1220kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 470.822391] lowmem_reserve[]: 0 0 0 0 [ 470.826216] 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 [ 470.839862] Node 0 DMA32: 3*4kB (UM) 2*8kB (M) 3*16kB (M) 4*32kB (UM) 2*64kB (M) 3*128kB (UM) 4*256kB (UM) 3*512kB (M) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44236kB [ 470.855192] Node 0 Normal: 480*4kB (UME) 375*8kB (UME) 227*16kB (UME) 165*32kB (UME) 111*64kB (UM) 48*128kB (UM) 37*256kB (M) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 37064kB [ 470.870964] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 470.879550] 57 total pagecache pages [ 470.883281] 0 pages in swap cache [ 470.886741] Swap cache stats: add 0, delete 0, find 0/0 [ 470.892096] Free swap = 0kB [ 470.895115] Total swap = 0kB [ 470.898142] 1965979 pages RAM [ 470.901250] 0 pages HighMem/MovableOnly [ 470.905219] 326511 pages reserved [ 470.908669] Unreclaimable slab info: [ 470.912388] Name Used Total [ 470.917938] hashtab_node 118KB 119KB [ 470.923314] ebitmap_node 382KB 385KB [ 470.928687] avtab_node 1012KB 1013KB [ 470.934077] TIPC 1KB 7KB [ 470.939455] SCTPv6 2KB 4KB [ 470.944832] DCCPv6 2KB 7KB [ 470.950212] DCCP 2KB 6KB [ 470.955606] fib6_nodes 0KB 4KB [ 470.960990] ip6_dst_cache 6KB 11KB [ 470.966378] RAWv6 9KB 13KB [ 470.971754] UDPv6 12KB 14KB [ 470.977133] TCPv6 2KB 5KB [ 470.982515] sd_ext_cdb 0KB 3KB [ 470.987893] scsi_sense_cache 144KB 144KB [ 470.993275] virtio_scsi_cmd 16KB 16KB [ 470.998651] sgpool-128 8KB 8KB [ 471.004046] sgpool-64 4KB 6KB [ 471.009417] sgpool-32 409KB 409KB [ 471.014796] sgpool-16 56KB 56KB [ 471.020171] sgpool-8 228KB 228KB [ 471.025547] cfq_io_cq 18KB 19KB [ 471.030926] cfq_queue 24KB 30KB [ 471.036299] mqueue_inode_cache 1KB 7KB [ 471.041762] nfs_commit_data 3KB 7KB [ 471.047133] nfs_write_data 34KB 37KB [ 471.052519] jbd2_inode 1KB 3KB [ 471.057890] ext4_system_zone 0KB 3KB [ 471.063273] bio-1 1KB 3KB [ 471.068653] rpc_buffers 17KB 19KB [ 471.074054] rpc_tasks 2KB 3KB [ 471.079444] UNIX 1471KB 1526KB [ 471.084817] tcp_bind_bucket 0KB 4KB [ 471.090194] ip_fib_trie 0KB 3KB [ 471.095564] ip_fib_alias 0KB 3KB [ 471.100934] ip_dst_cache 3KB 8KB [ 471.106307] RAW 5KB 7KB [ 471.111680] UDP 29KB 31KB [ 471.117057] TCP 7KB 7KB [ 471.122427] hugetlbfs_inode_cache 1KB 7KB [ 471.128145] eventpoll_pwq 11KB 15KB [ 471.133516] eventpoll_epi 21KB 27KB [ 471.138888] inotify_inode_mark 4KB 7KB [ 471.144352] request_queue 31KB 39KB [ 471.149723] blkdev_ioc 25KB 27KB [ 471.155097] bio-0 450KB 450KB [ 471.160470] biovec-(1<<(21-12)) 486KB 486KB [ 471.166033] biovec-128 267KB 267KB [ 471.171406] biovec-64 165KB 165KB [ 471.176775] biovec-16 21KB 22KB [ 471.182145] bio_integrity_payload 0KB 4KB [ 471.187867] khugepaged_mm_slot 0KB 3KB [ 471.193335] uid_cache 0KB 3KB [ 471.198711] dmaengine-unmap-2 0KB 3KB [ 471.204085] audit_buffer 0KB 3KB [ 471.209454] skbuff_fclone_cache 130KB 131KB [ 471.215005] skbuff_head_cache 1815KB 1841KB [ 471.220398] configfs_dir_cache 0KB 4KB [ 471.225854] file_lock_cache 149KB 150KB [ 471.231226] file_lock_ctx 1KB 3KB [ 471.236581] fsnotify_mark_connector 2KB 3KB [ 471.242468] shmem_inode_cache 877KB 879KB [ 471.247838] task_delay_info 275KB 399KB [ 471.253214] sigqueue 310KB 322KB [ 471.258588] kernfs_node_cache 1840KB 1842KB [ 471.263960] mnt_cache 14KB 16KB [ 471.269333] filp 8062KB 8100KB [ 471.274736] names_cache 114843KB 114881KB [ 471.280112] avc_node 37KB 39KB [ 471.285484] selinux_file_security 401KB 410KB [ 471.291204] selinux_inode_security 1904KB 1912KB [ 471.297040] key_jar 3KB 7KB [ 471.302412] nsproxy 0KB 3KB [ 471.307782] vm_area_struct 16981KB 16996KB [ 471.313155] mm_struct 3939KB 3976KB [ 471.318526] fs_cache 366KB 484KB [ 471.323896] files_cache 1373KB 1605KB [ 471.329278] signal_cache 2200KB 2573KB [ 471.334648] sighand_cache 201KB 249KB [ 471.340050] task_struct 9395KB 9395KB [ 471.345422] cred_jar 2193KB 2212KB [ 471.350792] anon_vma_chain 6955KB 6965KB [ 471.356167] anon_vma 121KB 269KB [ 471.361539] pid 191KB 292KB [ 471.366909] Acpi-Operand 106KB 166KB [ 471.372286] Acpi-Namespace 19KB 23KB [ 471.377657] numa_policy 0KB 3KB [ 471.383048] debug_objects_cache 434KB 434KB [ 471.388591] trace_event_file 144KB 147KB [ 471.393963] ftrace_event_field 254KB 255KB [ 471.399425] pool_workqueue 21KB 24KB [ 471.404811] page->ptl 2740KB 2743KB [ 471.410203] kmalloc-262144 1032KB 1032KB [ 471.415575] kmalloc-131072 650KB 650KB [ 471.420945] kmalloc-65536 264KB 264KB [ 471.426338] kmalloc-32768 462KB 462KB [ 471.431710] kmalloc-16384 148KB 148KB [ 471.437083] kmalloc-8192 412KB 412KB [ 471.442453] kmalloc-4096 7905KB 7939KB [ 471.447825] kmalloc-2048 2977KB 2983KB [ 471.453196] kmalloc-1024 4016KB 4016KB [ 471.458564] kmalloc-512 2930KB 3187KB [ 471.463932] kmalloc-256 1511KB 1833KB [ 471.469328] kmalloc-128 389KB 496KB [ 471.475304] kmalloc-96 1926KB 1928KB [ 471.480683] kmalloc-64 2324KB 2324KB [ 471.486055] kmalloc-32 2281KB 2291KB [ 471.491428] kmalloc-192 800KB 800KB [ 471.496799] kmem_cache 96KB 101KB [ 471.502170] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 471.510782] [ 1607] 0 1607 5383 173 90112 0 -1000 udevd [ 471.518941] [ 2998] 0 2998 30625 166 122880 0 0 rsyslogd [ 471.527361] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 471.535438] [ 3071] 0 3071 3735 44 69632 0 0 mcstransd [ 471.543942] [ 3090] 0 3090 12490 152 139264 0 -1000 sshd [ 471.552041] [ 3124] 0 3124 3694 39 73728 0 0 getty [ 471.560198] [ 3125] 0 3125 3694 42 77824 0 0 getty [ 471.568355] [ 3126] 0 3126 3694 42 73728 0 0 getty [ 471.576510] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 471.584665] [ 3128] 0 3128 3694 40 77824 0 0 getty [ 471.592821] [ 3129] 0 3129 3694 42 77824 0 0 getty [ 471.600987] [ 3130] 0 3130 3649 39 77824 0 0 getty [ 471.609157] [ 3134] 0 3134 5681 454 86016 0 -1000 udevd [ 471.617316] [ 3135] 0 3135 5681 454 86016 0 -1000 udevd [ 471.625492] [ 3155] 0 3155 17821 198 184320 0 0 sshd [ 471.633563] [ 3157] 0 3157 280 1 32768 0 0 syzkaller136190 [ 471.642590] [ 3158] 0 3158 4371 0 32768 0 0 syzkaller136190 [ 471.651614] [ 3159] 0 3159 4371 0 32768 0 0 syzkaller136190 [ 471.660637] [ 3160] 0 3160 4371 0 32768 0 0 syzkaller136190 [ 471.669669] [ 3161] 0 3161 4371 0 32768 0 0 syzkaller136190 [ 471.678693] [ 3162] 0 3162 4371 0 32768 0 0 syzkaller136190 [ 471.687720] [ 3163] 0 3163 4371 0 32768 0 0 syzkaller136190 [ 471.696743] [ 3164] 0 3164 4371 522 36864 0 0 syzkaller136190 [ 471.705768] [ 3165] 0 3165 4371 522 36864 0 0 syzkaller136190 [ 471.714789] Out of memory: Kill process 3164 (syzkaller136190) score 0 or sacrifice child [ 471.723120] Killed process 3164 (syzkaller136190) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 471.736829] oom_reaper: reaped process 3164 (syzkaller136190), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 472.073105] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 472.106581] rsyslogd cpuset=/ mems_allowed=0 [ 472.111080] CPU: 1 PID: 3001 Comm: rsyslogd Not tainted 4.15.0-rc4-mm1+ #49 [ 472.118160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 472.127486] Call Trace: [ 472.130049] dump_stack+0x194/0x257 [ 472.133649] ? arch_local_irq_restore+0x53/0x53 [ 472.138289] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 472.143458] dump_header+0x28c/0xe2b [ 472.147147] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 472.152310] ? pagefault_out_of_memory+0x145/0x145 [ 472.157216] ? print_irqtrace_events+0x270/0x270 [ 472.161949] ? avc_has_perm_noaudit+0x37e/0x520 [ 472.166589] ? check_noncircular+0x20/0x20 [ 472.170794] ? check_noncircular+0x20/0x20 [ 472.174998] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 472.179733] ? reacquire_held_locks+0x1f9/0x3e0 [ 472.184371] ? reacquire_held_locks+0x1f9/0x3e0 [ 472.189013] ? check_noncircular+0x20/0x20 [ 472.193219] ? task_will_free_mem+0x252/0xaa0 [ 472.197684] ? check_noncircular+0x20/0x20 [ 472.201896] ? print_irqtrace_events+0x270/0x270 [ 472.206630] ? ___ratelimit+0x30d/0x630 [ 472.210576] ? lock_downgrade+0x980/0x980 [ 472.214700] ? lock_release+0xa40/0xa40 [ 472.218647] ? mark_held_locks+0xaf/0x100 [ 472.222766] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 472.227838] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 472.232824] ? trace_hardirqs_on+0xd/0x10 [ 472.236943] ? ___ratelimit+0x95/0x630 [ 472.240801] ? idr_get_free_cmn+0xfd0/0xfd0 [ 472.245094] ? check_noncircular+0x20/0x20 [ 472.249325] oom_kill_process+0x81b/0x9f0 [ 472.253441] ? oom_badness+0xd1/0x980 [ 472.257208] ? lock_release+0xa40/0xa40 [ 472.261156] ? oom_kill_memcg_member+0x20/0x20 [ 472.265711] ? oom_evaluate_task+0x480/0x480 [ 472.270097] ? out_of_memory+0xe1c/0x1790 [ 472.274217] ? lock_downgrade+0x980/0x980 [ 472.278337] ? lock_release+0xa40/0xa40 [ 472.282294] ? oom_evaluate_task+0x284/0x480 [ 472.286678] out_of_memory+0x9d5/0x1790 [ 472.290629] ? oom_killer_disable+0x310/0x310 [ 472.295098] ? mutex_trylock+0x23a/0x2d0 [ 472.299126] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 472.304031] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 472.309450] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 472.315320] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 472.320141] ? trace_hardirqs_on+0xd/0x10 [ 472.324279] ? warn_alloc+0x2b0/0x2b0 [ 472.328050] ? lock_downgrade+0x980/0x980 [ 472.332175] ? radix_tree_lookup_slot+0x99/0xe0 [ 472.336831] ? find_get_entry+0x53c/0x9e0 [ 472.340973] ? __lock_acquire+0x664/0x3e00 [ 472.345212] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 472.351077] ? __might_sleep+0x95/0x190 [ 472.355030] __alloc_pages_nodemask+0x9fb/0xd80 [ 472.359676] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 472.364665] ? add_to_page_cache_lru+0x510/0x510 [ 472.369396] ? check_noncircular+0x20/0x20 [ 472.373608] ? check_noncircular+0x20/0x20 [ 472.377821] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 472.382576] alloc_pages_current+0xb6/0x1e0 [ 472.386891] __page_cache_alloc+0x334/0x500 [ 472.391185] ? rcu_read_lock_held+0xa9/0xc0 [ 472.395481] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 472.402825] filemap_fault+0xf34/0x1ca0 [ 472.406770] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 472.411939] ? __lock_page_or_retry+0x4f0/0x4f0 [ 472.416587] ? filemap_map_pages+0x942/0x15d0 [ 472.421067] ? find_get_entries_tag+0xeb0/0xeb0 [ 472.425760] ? __unlock_page_memcg+0x72/0x100 [ 472.430227] ? unlock_page_memcg+0x2c/0x40 [ 472.434433] ? check_noncircular+0x20/0x20 [ 472.438643] ? print_irqtrace_events+0x270/0x270 [ 472.443368] ? print_irqtrace_events+0x270/0x270 [ 472.448098] ? print_irqtrace_events+0x270/0x270 [ 472.452843] ? lock_acquire+0x1d5/0x580 [ 472.456785] ? lock_acquire+0x1d5/0x580 [ 472.460731] ? ext4_filemap_fault+0x7a/0xad [ 472.465040] ? __lock_acquire+0x664/0x3e00 [ 472.469249] ? lock_release+0xa40/0xa40 [ 472.473193] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 472.479052] ? rcu_note_context_switch+0x710/0x710 [ 472.483955] ? __might_sleep+0x95/0x190 [ 472.487902] ? down_read+0x96/0x150 [ 472.491502] ? ext4_filemap_fault+0x7a/0xad [ 472.495792] ? __down_interruptible+0x6b0/0x6b0 [ 472.500433] ? finish_fault+0x1b4/0x2a0 [ 472.504379] ? lock_downgrade+0x980/0x980 [ 472.508501] ext4_filemap_fault+0x82/0xad [ 472.512619] __do_fault+0xeb/0x30f [ 472.516132] ? put_page+0x19b/0x1c6 [ 472.519729] ? pte_offset_kernel+0xc7/0xc7 [ 472.523938] ? do_raw_spin_trylock+0x190/0x190 [ 472.528503] ? check_noncircular+0x20/0x20 [ 472.532706] ? _raw_spin_unlock+0x22/0x30 [ 472.536829] __handle_mm_fault+0x1d8f/0x3ce0 [ 472.541213] ? __pmd_alloc+0x4e0/0x4e0 [ 472.545079] ? find_held_lock+0x35/0x1d0 [ 472.549118] ? handle_mm_fault+0x2a0/0x930 [ 472.553324] ? lock_downgrade+0x980/0x980 [ 472.557467] handle_mm_fault+0x38f/0x930 [ 472.561496] ? down_read_trylock+0xdb/0x170 [ 472.565791] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 472.570513] ? vmacache_find+0x5f/0x280 [ 472.574462] ? find_vma+0x30/0x150 [ 472.577979] __do_page_fault+0x5c9/0xc90 [ 472.582012] ? vfs_copy_file_range+0x940/0x940 [ 472.586574] ? mm_fault_error+0x2c0/0x2c0 [ 472.590694] ? avc_policy_seqno+0x9/0x20 [ 472.594728] ? exit_to_usermode_loop+0x8c/0x2f0 [ 472.599369] do_page_fault+0xee/0x720 [ 472.603143] ? trace_hardirqs_off+0xd/0x10 [ 472.607348] ? __do_page_fault+0xc90/0xc90 [ 472.611555] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 472.617068] ? fput+0xd2/0x140 [ 472.620236] ? retint_user+0x18/0x18 [ 472.623922] ? page_fault+0x36/0x60 [ 472.627522] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 472.632338] ? page_fault+0x36/0x60 [ 472.635935] page_fault+0x4c/0x60 [ 472.639360] RIP: 0033:0x7faab4052610 [ 472.643042] RSP: 002b:00007faab1c75d58 EFLAGS: 00010293 [ 472.648374] RAX: 00000000013ad1d0 RBX: 00000000013ee340 RCX: 0000000000000000 [ 472.655623] RDX: 0000000000000009 RSI: 00000000013ad1d0 RDI: 00000000013ee4cd [ 472.662866] RBP: 0000000000000009 R08: 00000000013ad1d0 R09: 65756575716b726f [ 472.670106] R10: 73746e657665203a R11: 61625f7570637020 R12: 00000000013ad1d0 [ 472.677344] R13: 0000000000000009 R14: 0000000000000efe R15: 00007faab34aa697 [ 472.684664] Mem-Info: [ 472.688419] active_anon:2448 inactive_anon:33 isolated_anon:0 [ 472.688419] active_file:30 inactive_file:0 isolated_file:0 [ 472.688419] unevictable:0 dirty:0 writeback:0 unstable:0 [ 472.688419] slab_reclaimable:7237 slab_unreclaimable:83308 [ 472.688419] mapped:3 shmem:40 pagetables:304 bounce:0 [ 472.688419] free:24225 free_pcp:0 free_cma:0 [ 472.721156] Node 0 active_anon:9792kB inactive_anon:132kB active_file:132kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 472.748521] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 472.775656] lowmem_reserve[]: 0 2875 6386 6386 [ 472.780916] Node 0 DMA32 free:44236kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 472.808890] lowmem_reserve[]: 0 0 3510 3510 [ 472.813954] Node 0 Normal free:36400kB min:37064kB low:46328kB high:55592kB active_anon:9792kB inactive_anon:132kB active_file:64kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1216kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 472.843775] lowmem_reserve[]: 0 0 0 0 [ 472.848313] 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 [ 472.861984] Node 0 DMA32: 3*4kB (UM) 2*8kB (M) 3*16kB (M) 4*32kB (UM) 2*64kB (M) 3*128kB (UM) 4*256kB (UM) 3*512kB (M) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44236kB [ 472.877322] Node 0 Normal: 490*4kB (UME) 371*8kB (UME) 225*16kB (UME) 165*32kB (ME) 109*64kB (M) 48*128kB (UM) 37*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36400kB [ 472.892624] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 472.901214] 71 total pagecache pages [ 472.904935] 0 pages in swap cache [ 472.908387] Swap cache stats: add 0, delete 0, find 0/0 [ 472.913752] Free swap = 0kB [ 472.916766] Total swap = 0kB [ 472.919789] 1965979 pages RAM [ 472.922906] 0 pages HighMem/MovableOnly [ 472.926891] 326511 pages reserved [ 472.930358] Unreclaimable slab info: [ 472.934078] Name Used Total [ 472.939626] hashtab_node 118KB 119KB [ 472.944982] ebitmap_node 382KB 385KB [ 472.950331] avtab_node 1012KB 1013KB [ 472.955698] TIPC 1KB 7KB [ 472.961079] SCTPv6 2KB 4KB [ 472.966463] DCCPv6 2KB 7KB [ 472.971830] DCCP 2KB 6KB [ 472.977674] fib6_nodes 0KB 4KB [ 472.983047] ip6_dst_cache 6KB 11KB [ 472.988428] RAWv6 9KB 13KB [ 472.993807] UDPv6 12KB 14KB [ 472.999184] TCPv6 2KB 5KB [ 473.004552] sd_ext_cdb 0KB 3KB [ 473.009921] scsi_sense_cache 152KB 152KB [ 473.015296] virtio_scsi_cmd 16KB 16KB [ 473.020674] sgpool-128 8KB 8KB [ 473.026056] sgpool-64 4KB 6KB [ 473.031433] sgpool-32 441KB 441KB [ 473.036801] sgpool-16 60KB 60KB [ 473.042173] sgpool-8 232KB 232KB [ 473.047547] cfq_io_cq 17KB 19KB [ 473.052904] cfq_queue 24KB 30KB [ 473.058257] mqueue_inode_cache 1KB 7KB [ 473.063712] nfs_commit_data 3KB 7KB [ 473.069090] nfs_write_data 34KB 37KB [ 473.074463] jbd2_inode 1KB 3KB [ 473.079819] ext4_system_zone 0KB 3KB [ 473.085184] bio-1 1KB 3KB [ 473.090562] rpc_buffers 17KB 19KB [ 473.095935] rpc_tasks 2KB 3KB [ 473.101308] UNIX 1461KB 1512KB [ 473.107177] tcp_bind_bucket 0KB 4KB [ 473.112552] ip_fib_trie 0KB 3KB [ 473.117921] ip_fib_alias 0KB 3KB [ 473.123298] ip_dst_cache 3KB 8KB [ 473.128672] RAW 5KB 7KB [ 473.134055] UDP 29KB 31KB [ 473.139420] TCP 7KB 7KB [ 473.144788] hugetlbfs_inode_cache 1KB 7KB [ 473.150508] eventpoll_pwq 11KB 15KB [ 473.155885] eventpoll_epi 21KB 27KB [ 473.161258] inotify_inode_mark 4KB 7KB [ 473.166705] request_queue 31KB 39KB [ 473.172077] blkdev_ioc 23KB 27KB [ 473.177478] bio-0 468KB 468KB [ 473.182862] biovec-(1<<(21-12)) 486KB 486KB [ 473.188433] biovec-128 293KB 293KB [ 473.193902] biovec-64 173KB 173KB [ 473.199265] biovec-16 22KB 22KB [ 473.204634] bio_integrity_payload 0KB 4KB [ 473.210355] khugepaged_mm_slot 0KB 3KB [ 473.215820] uid_cache 0KB 3KB [ 473.221200] dmaengine-unmap-2 0KB 3KB [ 473.226562] audit_buffer 0KB 3KB [ 473.231929] skbuff_fclone_cache 130KB 131KB [ 473.237487] skbuff_head_cache 1815KB 1837KB [ 473.243640] configfs_dir_cache 0KB 4KB [ 473.249104] file_lock_cache 149KB 150KB [ 473.254482] file_lock_ctx 1KB 3KB [ 473.259861] fsnotify_mark_connector 2KB 3KB [ 473.265734] shmem_inode_cache 877KB 879KB [ 473.271099] task_delay_info 275KB 399KB [ 473.276471] sigqueue 310KB 322KB [ 473.281850] kernfs_node_cache 1840KB 1842KB [ 473.287224] mnt_cache 14KB 16KB [ 473.292582] filp 8056KB 8085KB [ 473.297955] names_cache 114112KB 114150KB [ 473.303328] avc_node 37KB 39KB [ 473.308702] selinux_file_security 401KB 410KB [ 473.314422] selinux_inode_security 1904KB 1912KB [ 473.320227] key_jar 3KB 7KB [ 473.325597] nsproxy 0KB 3KB [ 473.330957] vm_area_struct 16981KB 16996KB [ 473.336307] mm_struct 3939KB 3976KB [ 473.341673] fs_cache 366KB 484KB [ 473.347059] files_cache 1373KB 1605KB [ 473.352432] signal_cache 2200KB 2573KB [ 473.357795] sighand_cache 201KB 249KB [ 473.363164] task_struct 9395KB 9395KB [ 473.368546] cred_jar 2193KB 2212KB [ 473.373925] anon_vma_chain 6955KB 6965KB [ 473.380101] anon_vma 120KB 269KB [ 473.385480] pid 191KB 292KB [ 473.390853] Acpi-Operand 106KB 166KB [ 473.396210] Acpi-Namespace 19KB 23KB [ 473.401578] numa_policy 0KB 3KB [ 473.406956] debug_objects_cache 434KB 434KB [ 473.412508] trace_event_file 144KB 147KB [ 473.417870] ftrace_event_field 254KB 255KB [ 473.423321] pool_workqueue 21KB 24KB [ 473.428687] page->ptl 2740KB 2743KB [ 473.434080] kmalloc-262144 1032KB 1032KB [ 473.439456] kmalloc-131072 650KB 650KB [ 473.444821] kmalloc-65536 264KB 264KB [ 473.450183] kmalloc-32768 462KB 462KB [ 473.455553] kmalloc-16384 148KB 148KB [ 473.460930] kmalloc-8192 412KB 412KB [ 473.466307] kmalloc-4096 7837KB 7875KB [ 473.471666] kmalloc-2048 2977KB 2983KB [ 473.477032] kmalloc-1024 4063KB 4063KB [ 473.482403] kmalloc-512 2920KB 3172KB [ 473.487780] kmalloc-256 1510KB 1833KB [ 473.493160] kmalloc-128 389KB 496KB [ 473.498525] kmalloc-96 1926KB 1928KB [ 473.503893] kmalloc-64 2324KB 2324KB [ 473.509267] kmalloc-32 2280KB 2291KB [ 473.515428] kmalloc-192 799KB 800KB [ 473.520816] kmem_cache 96KB 101KB [ 473.526192] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 473.534788] [ 1607] 0 1607 5383 173 90112 0 -1000 udevd [ 473.542955] [ 2998] 0 2998 30625 166 122880 0 0 rsyslogd [ 473.551387] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 473.559466] [ 3071] 0 3071 3735 44 69632 0 0 mcstransd [ 473.567962] [ 3090] 0 3090 12490 152 139264 0 -1000 sshd [ 473.576049] [ 3124] 0 3124 3694 39 73728 0 0 getty [ 473.584218] [ 3125] 0 3125 3694 42 77824 0 0 getty [ 473.592386] [ 3126] 0 3126 3694 42 73728 0 0 getty [ 473.600553] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 473.608717] [ 3128] 0 3128 3694 40 77824 0 0 getty [ 473.616888] [ 3129] 0 3129 3694 42 77824 0 0 getty [ 473.625052] [ 3130] 0 3130 3649 39 77824 0 0 getty [ 473.633211] [ 3134] 0 3134 5681 454 86016 0 -1000 udevd [ 473.641550] [ 3135] 0 3135 5681 454 86016 0 -1000 udevd [ 473.649737] [ 3155] 0 3155 17821 198 184320 0 0 sshd [ 473.657801] [ 3157] 0 3157 280 1 32768 0 0 syzkaller136190 [ 473.666814] [ 3158] 0 3158 4371 0 32768 0 0 syzkaller136190 [ 473.675850] [ 3159] 0 3159 4371 0 32768 0 0 syzkaller136190 [ 473.684866] [ 3160] 0 3160 4371 0 32768 0 0 syzkaller136190 [ 473.693890] [ 3161] 0 3161 4371 0 32768 0 0 syzkaller136190 [ 473.702912] [ 3162] 0 3162 4371 0 32768 0 0 syzkaller136190 [ 473.711934] [ 3163] 0 3163 4371 0 32768 0 0 syzkaller136190 [ 473.720946] [ 3164] 0 3164 4371 0 32768 0 0 syzkaller136190 [ 473.729959] [ 3165] 0 3165 4371 522 36864 0 0 syzkaller136190 [ 473.738974] Out of memory: Kill process 3165 (syzkaller136190) score 0 or sacrifice child [ 473.747338] Killed process 3165 (syzkaller136190) total-vm:17484kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 473.759591] oom_reaper: reaped process 3165 (syzkaller136190), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 473.917218] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 473.928617] rsyslogd cpuset=/ mems_allowed=0 [ 473.933035] CPU: 0 PID: 3001 Comm: rsyslogd Not tainted 4.15.0-rc4-mm1+ #49 [ 473.940100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 473.949419] Call Trace: [ 473.951983] dump_stack+0x194/0x257 [ 473.955581] ? arch_local_irq_restore+0x53/0x53 [ 473.960251] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 473.965420] dump_header+0x28c/0xe2b [ 473.969105] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 473.974266] ? pagefault_out_of_memory+0x145/0x145 [ 473.979162] ? __lock_acquire+0x664/0x3e00 [ 473.983372] ? print_irqtrace_events+0x270/0x270 [ 473.988106] ? check_noncircular+0x20/0x20 [ 473.992314] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 473.997478] ? check_noncircular+0x20/0x20 [ 474.001680] ? print_irqtrace_events+0x270/0x270 [ 474.006404] ? reacquire_held_locks+0x1f9/0x3e0 [ 474.011052] ? reacquire_held_locks+0x1f9/0x3e0 [ 474.015709] ? check_noncircular+0x20/0x20 [ 474.019926] ? task_will_free_mem+0x252/0xaa0 [ 474.024404] ? check_noncircular+0x20/0x20 [ 474.028632] ? print_irqtrace_events+0x270/0x270 [ 474.033387] ? ___ratelimit+0x30d/0x630 [ 474.037374] ? lock_downgrade+0x980/0x980 [ 474.041515] ? lock_release+0xa40/0xa40 [ 474.045484] ? mark_held_locks+0xaf/0x100 [ 474.049622] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 474.054714] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 474.059728] ? trace_hardirqs_on+0xd/0x10 [ 474.063868] ? ___ratelimit+0x95/0x630 [ 474.067748] ? idr_get_free_cmn+0xfd0/0xfd0 [ 474.072059] ? check_noncircular+0x20/0x20 [ 474.076290] oom_kill_process+0x81b/0x9f0 [ 474.080425] ? lock_release+0xa40/0xa40 [ 474.084389] ? oom_kill_memcg_member+0x20/0x20 [ 474.088965] ? oom_evaluate_task+0x480/0x480 [ 474.093372] ? out_of_memory+0xe1c/0x1790 [ 474.097507] ? lock_downgrade+0x980/0x980 [ 474.101643] ? lock_release+0xa40/0xa40 [ 474.105621] ? oom_evaluate_task+0x284/0x480 [ 474.110019] out_of_memory+0x9d5/0x1790 [ 474.113993] ? oom_killer_disable+0x310/0x310 [ 474.118501] ? mutex_trylock+0x23a/0x2d0 [ 474.122542] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 474.127461] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 474.132895] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 474.138792] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 474.143634] ? trace_hardirqs_on+0xd/0x10 [ 474.147803] ? warn_alloc+0x2b0/0x2b0 [ 474.151594] ? lock_downgrade+0x980/0x980 [ 474.155746] ? radix_tree_lookup_slot+0x99/0xe0 [ 474.160428] ? find_get_entry+0x53c/0x9e0 [ 474.164593] ? __lock_acquire+0x664/0x3e00 [ 474.168889] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 474.174783] ? __might_sleep+0x95/0x190 [ 474.178764] __alloc_pages_nodemask+0x9fb/0xd80 [ 474.183435] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 474.188444] ? add_to_page_cache_lru+0x510/0x510 [ 474.193197] ? check_noncircular+0x20/0x20 [ 474.197426] ? check_noncircular+0x20/0x20 [ 474.201657] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 474.206433] alloc_pages_current+0xb6/0x1e0 [ 474.210749] __page_cache_alloc+0x334/0x500 [ 474.215069] ? rcu_read_lock_held+0xa9/0xc0 [ 474.219384] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 474.226747] filemap_fault+0xf34/0x1ca0 [ 474.230728] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 474.235923] ? __lock_page_or_retry+0x4f0/0x4f0 [ 474.240596] ? filemap_map_pages+0x942/0x15d0 [ 474.245114] ? find_get_entries_tag+0xeb0/0xeb0 [ 474.249790] ? __unlock_page_memcg+0x72/0x100 [ 474.254285] ? unlock_page_memcg+0x2c/0x40 [ 474.258506] ? check_noncircular+0x20/0x20 [ 474.262735] ? print_irqtrace_events+0x270/0x270 [ 474.267474] ? print_irqtrace_events+0x270/0x270 [ 474.272212] ? print_irqtrace_events+0x270/0x270 [ 474.276977] ? lock_acquire+0x1d5/0x580 [ 474.280931] ? lock_acquire+0x1d5/0x580 [ 474.284888] ? ext4_filemap_fault+0x7a/0xad [ 474.289199] ? __lock_acquire+0x664/0x3e00 [ 474.293419] ? lock_release+0xa40/0xa40 [ 474.297375] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 474.303246] ? rcu_note_context_switch+0x710/0x710 [ 474.308166] ? __might_sleep+0x95/0x190 [ 474.312132] ? down_read+0x96/0x150 [ 474.315743] ? ext4_filemap_fault+0x7a/0xad [ 474.320052] ? __down_interruptible+0x6b0/0x6b0 [ 474.324722] ext4_filemap_fault+0x82/0xad [ 474.328862] __do_fault+0xeb/0x30f [ 474.332389] ? pte_offset_kernel+0xc7/0xc7 [ 474.336612] ? do_raw_spin_trylock+0x190/0x190 [ 474.341191] ? check_noncircular+0x20/0x20 [ 474.345418] __handle_mm_fault+0x1d8f/0x3ce0 [ 474.349821] ? __pmd_alloc+0x4e0/0x4e0 [ 474.353706] ? find_held_lock+0x35/0x1d0 [ 474.357766] ? handle_mm_fault+0x2a0/0x930 [ 474.361985] ? lock_downgrade+0x980/0x980 [ 474.366158] handle_mm_fault+0x38f/0x930 [ 474.370201] ? down_read_trylock+0xdb/0x170 [ 474.374510] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 474.379076] ? vmacache_find+0x5f/0x280 [ 474.383044] ? find_vma+0x30/0x150 [ 474.386577] __do_page_fault+0x5c9/0xc90 [ 474.390625] ? vfs_copy_file_range+0x940/0x940 [ 474.395208] ? mm_fault_error+0x2c0/0x2c0 [ 474.399348] ? avc_policy_seqno+0x9/0x20 [ 474.403401] ? exit_to_usermode_loop+0x8c/0x2f0 [ 474.408061] do_page_fault+0xee/0x720 [ 474.411846] ? trace_hardirqs_off+0xd/0x10 [ 474.416065] ? __do_page_fault+0xc90/0xc90 [ 474.420290] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 474.425819] ? fput+0xd2/0x140 [ 474.429002] ? retint_user+0x18/0x18 [ 474.432706] ? page_fault+0x36/0x60 [ 474.436333] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 474.441174] ? page_fault+0x36/0x60 [ 474.444790] page_fault+0x4c/0x60 [ 474.448223] RIP: 0033:0x7faab4052620 [ 474.451910] RSP: 002b:00007faab1c75d58 EFLAGS: 00010293 [ 474.457255] RAX: 00000000013ee4cd RBX: 00000000013ee340 RCX: 0000000000000000 [ 474.465214] RDX: 0000000000000009 RSI: 00000000013ad1d0 RDI: 00000000013ee4cd [ 474.472466] RBP: 0000000000000009 R08: 00000000013ad1d0 R09: 65756575716b726f [ 474.479717] R10: 73746e657665203a R11: 00007faab4086a50 R12: 00000000013ad1d0 [ 474.486973] R13: 0000000000000009 R14: 0000000000000efe R15: 00007faab34aa697 [ 474.494364] Mem-Info: [ 474.515907] active_anon:1931 inactive_anon:33 isolated_anon:0 [ 474.515907] active_file:19 inactive_file:22 isolated_file:29 [ 474.515907] unevictable:0 dirty:0 writeback:0 unstable:0 [ 474.515907] slab_reclaimable:7239 slab_unreclaimable:83307 [ 474.515907] mapped:2 shmem:40 pagetables:303 bounce:0 [ 474.515907] free:24271 free_pcp:0 free_cma:0 [ 474.556887] Node 0 active_anon:7724kB inactive_anon:132kB active_file:80kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 474.584701] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 474.611721] lowmem_reserve[]: 0 2875 6386 6386 [ 474.616356] Node 0 DMA32 free:44236kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 474.643534] lowmem_reserve[]: 0 0 3510 3510 [ 474.647861] Node 0 Normal free:36908kB min:37064kB low:46328kB high:55592kB active_anon:7724kB inactive_anon:132kB active_file:76kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2880kB pagetables:1212kB bounce:0kB free_pcp:244kB local_pcp:0kB free_cma:0kB [ 474.676323] lowmem_reserve[]: 0 0 0 0 [ 474.680124] 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 [ 474.693708] Node 0 DMA32: 3*4kB (UM) 2*8kB (M) 3*16kB (M) 4*32kB (UM) 2*64kB (M) 3*128kB (UM) 4*256kB (UM) 3*512kB (M) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44236kB [ 474.708945] Node 0 Normal: 488*4kB (ME) 372*8kB (UME) 224*16kB (UME) 165*32kB (UME) 109*64kB (UM) 46*128kB (M) 37*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37152kB [ 474.724811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 474.733376] 71 total pagecache pages [ 474.737083] 0 pages in swap cache [ 474.740522] Swap cache stats: add 0, delete 0, find 0/0 [ 474.745867] Free swap = 0kB [ 474.748865] Total swap = 0kB [ 474.751865] 1965979 pages RAM [ 474.754952] 0 pages HighMem/MovableOnly [ 474.758919] 326511 pages reserved [ 474.762353] Unreclaimable slab info: [ 474.766048] Name Used Total [ 474.771567] hashtab_node 118KB 119KB [ 474.776922] ebitmap_node 382KB 385KB [ 474.782276] avtab_node 1012KB 1013KB [ 474.787623] TIPC 1KB 7KB [ 474.792991] SCTPv6 2KB 4KB [ 474.798386] DCCPv6 2KB 7KB [ 474.803767] DCCP 2KB 6KB [ 474.809163] fib6_nodes 0KB 4KB [ 474.814541] ip6_dst_cache 6KB 11KB [ 474.819918] RAWv6 9KB 13KB [ 474.825296] UDPv6 12KB 14KB [ 474.830675] TCPv6 2KB 5KB [ 474.836405] sd_ext_cdb 0KB 3KB [ 474.842613] scsi_sense_cache 152KB 152KB [ 474.848846] virtio_scsi_cmd 16KB 16KB [ 474.855035] sgpool-128 8KB 8KB [ 474.861263] sgpool-64 4KB 6KB [ 474.867487] sgpool-32 456KB 456KB [ 474.873727] sgpool-16 60KB 60KB [ 474.879893] sgpool-8 236KB 236KB [ 474.886149] cfq_io_cq 16KB 19KB [ 474.892387] cfq_queue 24KB 30KB [ 474.898629] mqueue_inode_cache 1KB 7KB [ 474.904944] nfs_commit_data 3KB 7KB [ 474.911196] nfs_write_data 34KB 37KB [ 474.917447] jbd2_inode 1KB 3KB [ 474.923379] ext4_system_zone 0KB 3KB [ 474.928766] bio-1 1KB 3KB [ 474.934157] rpc_buffers 17KB 19KB [ 474.939533] rpc_tasks 2KB 3KB [ 474.944910] UNIX 1452KB 1512KB [ 474.950294] tcp_bind_bucket 0KB 4KB [ 474.955673] ip_fib_trie 0KB 3KB [ 474.961050] ip_fib_alias 0KB 3KB [ 474.966427] ip_dst_cache 3KB 8KB [ 474.971814] RAW 5KB 7KB [ 474.977192] UDP 29KB 31KB [ 474.982574] TCP 7KB 7KB [ 474.987949] hugetlbfs_inode_cache 1KB 7KB [ 474.993673] eventpoll_pwq 11KB 15KB [ 474.999045] eventpoll_epi 21KB 27KB [ 475.004418] inotify_inode_mark 4KB 7KB [ 475.009878] request_queue 31KB 39KB [ 475.015254] blkdev_ioc 22KB 27KB [ 475.020630] bio-0 472KB 472KB [ 475.026006] biovec-(1<<(21-12)) 486KB 486KB [ 475.031572] biovec-128 293KB 293KB [ 475.037270] biovec-64 173KB 173KB [ 475.043518] biovec-16 22KB 22KB [ 475.049738] bio_integrity_payload 0KB 4KB [ 475.056408] khugepaged_mm_slot 0KB 3KB [ 475.062671] uid_cache 0KB 3KB [ 475.068856] dmaengine-unmap-2 0KB 3KB [ 475.075103] audit_buffer 0KB 3KB [ 475.081339] skbuff_fclone_cache 130KB 131KB [ 475.087727] skbuff_head_cache 1811KB 1837KB [ 475.093940] configfs_dir_cache 0KB 4KB [ 475.100231] file_lock_cache 149KB 150KB [ 475.106461] file_lock_ctx 1KB 3KB [ 475.112700] fsnotify_mark_connector 2KB 3KB [ 475.119465] shmem_inode_cache 877KB 879KB [ 475.125725] task_delay_info 275KB 399KB [ 475.131915] sigqueue 309KB 322KB [ 475.138160] kernfs_node_cache 1840KB 1842KB [ 475.144082] mnt_cache 14KB 16KB [ 475.149472] filp 8049KB 8085KB [ 475.154852] names_cache 114104KB 114142KB [ 475.160234] avc_node 37KB 39KB [ 475.165639] selinux_file_security 401KB 410KB [ 475.171364] selinux_inode_security 1904KB 1912KB [ 475.177168] key_jar 3KB 7KB [ 475.182541] nsproxy 0KB 3KB [ 475.195293] vm_area_struct 16978KB 16996KB [ 475.200685] mm_struct 3937KB 3976KB [ 475.209511] fs_cache 366KB 484KB [ 475.221346] files_cache 1373KB 1605KB [ 475.229037] signal_cache 2199KB 2573KB [ 475.234420] sighand_cache 201KB 249KB [ 475.239798] task_struct 9395KB 9395KB [ 475.245171] cred_jar 2192KB 2212KB [ 475.250541] anon_vma_chain 6952KB 6965KB [ 475.255918] anon_vma 120KB 269KB [ 475.261287] pid 191KB 292KB [ 475.266657] Acpi-Operand 106KB 166KB [ 475.272034] Acpi-Namespace 19KB 23KB [ 475.277405] numa_policy 0KB 3KB [ 475.282775] debug_objects_cache 434KB 434KB [ 475.288319] trace_event_file 144KB 147KB [ 475.293694] ftrace_event_field 254KB 255KB [ 475.299164] pool_workqueue 21KB 24KB [ 475.304540] page->ptl 2739KB 2743KB [ 475.309934] kmalloc-262144 1032KB 1032KB [ 475.315304] kmalloc-131072 650KB 650KB [ 475.320679] kmalloc-65536 264KB 264KB [ 475.326048] kmalloc-32768 462KB 462KB [ 475.331426] kmalloc-16384 148KB 148KB [ 475.341608] kmalloc-8192 412KB 412KB [ 475.353506] kmalloc-4096 7828KB 7866KB [ 475.358886] kmalloc-2048 2977KB 2983KB [ 475.367918] kmalloc-1024 4079KB 4079KB [ 475.380914] kmalloc-512 2912KB 3168KB [ 475.387091] kmalloc-256 1509KB 1830KB [ 475.393318] kmalloc-128 388KB 496KB [ 475.399486] kmalloc-96 1928KB 1928KB [ 475.405718] kmalloc-64 2321KB 2324KB [ 475.411931] kmalloc-32 2280KB 2291KB [ 475.417563] kmalloc-192 800KB 800KB [ 475.422917] kmem_cache 96KB 101KB [ 475.428263] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 475.436855] [ 1607] 0 1607 5383 173 90112 0 -1000 udevd [ 475.444985] [ 2998] 0 2998 30625 166 122880 0 0 rsyslogd [ 475.453380] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 475.461455] [ 3071] 0 3071 3735 44 69632 0 0 mcstransd [ 475.469951] [ 3090] 0 3090 12490 152 139264 0 -1000 sshd [ 475.477991] [ 3124] 0 3124 3694 39 73728 0 0 getty [ 475.486120] [ 3125] 0 3125 3694 42 77824 0 0 getty [ 475.494246] [ 3126] 0 3126 3694 42 73728 0 0 getty [ 475.502382] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 475.510510] [ 3128] 0 3128 3694 40 77824 0 0 getty [ 475.518638] [ 3129] 0 3129 3694 42 77824 0 0 getty [ 475.526787] [ 3130] 0 3130 3649 39 77824 0 0 getty [ 475.534929] [ 3134] 0 3134 5681 454 86016 0 -1000 udevd [ 475.543073] [ 3135] 0 3135 5681 454 86016 0 -1000 udevd [ 475.551220] [ 3155] 0 3155 17821 198 184320 0 0 sshd [ 475.559282] [ 3157] 0 3157 280 1 32768 0 0 syzkaller136190 [ 475.568303] [ 3158] 0 3158 4371 0 32768 0 0 syzkaller136190 [ 475.577326] [ 3159] 0 3159 4371 0 32768 0 0 syzkaller136190 [ 475.586339] [ 3160] 0 3160 4371 0 32768 0 0 syzkaller136190 [ 475.595352] [ 3161] 0 3161 4371 0 32768 0 0 syzkaller136190 [ 475.604368] [ 3162] 0 3162 4371 0 32768 0 0 syzkaller136190 [ 475.613380] [ 3163] 0 3163 4371 0 32768 0 0 syzkaller136190 [ 475.622414] [ 3164] 0 3164 4371 0 32768 0 0 syzkaller136190 [ 475.631439] [ 3165] 0 3165 4371 0 32768 0 0 syzkaller136190 [ 475.640457] Out of memory: Kill process 3155 (sshd) score 0 or sacrifice child [ 475.648212] Killed process 3157 (syzkaller136190) total-vm:1120kB, anon-rss:40kB, file-rss:4kB, shmem-rss:0kB [ 475.856403] kworker/1:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 475.870975] kworker/1:1 cpuset=/ mems_allowed=0 [ 475.875722] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.15.0-rc4-mm1+ #49 [ 475.882887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 475.892231] Workqueue: events pcpu_balance_workfn [ 475.897055] Call Trace: [ 475.899622] dump_stack+0x194/0x257 [ 475.903235] ? arch_local_irq_restore+0x53/0x53 [ 475.907890] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 475.913073] dump_header+0x28c/0xe2b [ 475.916785] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 475.921960] ? pagefault_out_of_memory+0x145/0x145 [ 475.926872] ? __lock_acquire+0x664/0x3e00 [ 475.931091] ? print_irqtrace_events+0x270/0x270 [ 475.935846] ? check_noncircular+0x20/0x20 [ 475.940063] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 475.945232] ? check_noncircular+0x20/0x20 [ 475.949451] ? print_irqtrace_events+0x270/0x270 [ 475.954193] ? reacquire_held_locks+0x1f9/0x3e0 [ 475.958838] ? reacquire_held_locks+0x1f9/0x3e0 [ 475.963490] ? check_noncircular+0x20/0x20 [ 475.967706] ? task_will_free_mem+0x252/0xaa0 [ 475.972178] ? check_noncircular+0x20/0x20 [ 475.976401] ? print_irqtrace_events+0x270/0x270 [ 475.981153] ? ___ratelimit+0x30d/0x630 [ 475.985116] ? lock_downgrade+0x980/0x980 [ 475.989251] ? lock_release+0xa40/0xa40 [ 475.993213] ? mark_held_locks+0xaf/0x100 [ 475.997346] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 476.002436] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 476.007436] ? trace_hardirqs_on+0xd/0x10 [ 476.011569] ? ___ratelimit+0x95/0x630 [ 476.015440] ? idr_get_free_cmn+0xfd0/0xfd0 [ 476.019749] ? check_noncircular+0x20/0x20 [ 476.023981] oom_kill_process+0x81b/0x9f0 [ 476.028115] ? lock_release+0xa40/0xa40 [ 476.032075] ? oom_kill_memcg_member+0x20/0x20 [ 476.036644] ? oom_evaluate_task+0x480/0x480 [ 476.041046] ? out_of_memory+0xe1c/0x1790 [ 476.045177] ? lock_downgrade+0x980/0x980 [ 476.049310] ? lock_release+0xa40/0xa40 [ 476.053268] ? blocking_notifier_call_chain+0x112/0x190 [ 476.058627] ? oom_evaluate_task+0x284/0x480 [ 476.063024] out_of_memory+0x9d5/0x1790 [ 476.066993] ? oom_killer_disable+0x310/0x310 [ 476.071476] ? mutex_trylock+0x23a/0x2d0 [ 476.075516] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 476.080434] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 476.085863] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 476.091746] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 476.096619] ? warn_alloc+0x2b0/0x2b0 [ 476.100407] ? lock_release+0xa40/0xa40 [ 476.104371] ? print_irqtrace_events+0x270/0x270 [ 476.109118] ? lock_release+0xa40/0xa40 [ 476.113085] ? mutex_spin_on_owner+0x446/0xb50 [ 476.117668] ? __lock_acquire+0x664/0x3e00 [ 476.121890] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 476.127758] ? lock_release+0xa40/0xa40 [ 476.131824] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 476.137707] ? __might_sleep+0x95/0x190 [ 476.141671] __alloc_pages_nodemask+0x9fb/0xd80 [ 476.146334] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 476.151331] ? __lock_acquire+0x664/0x3e00 [ 476.155556] ? __lock_acquire+0x664/0x3e00 [ 476.159780] ? print_irqtrace_events+0x270/0x270 [ 476.164530] ? __lock_is_held+0xb6/0x140 [ 476.168581] ? find_next_bit+0xcc/0x100 [ 476.172545] pcpu_populate_chunk+0x1b3/0x880 [ 476.176935] ? find_next_bit+0xb7/0x100 [ 476.180906] pcpu_balance_workfn+0xf3e/0x1520 [ 476.185389] ? check_noncircular+0x20/0x20 [ 476.189601] ? find_held_lock+0x35/0x1d0 [ 476.193665] ? pcpu_create_chunk+0x900/0x900 [ 476.198057] ? lock_release+0xa40/0xa40 [ 476.202018] ? check_noncircular+0x20/0x20 [ 476.206247] ? lock_acquire+0x1d5/0x580 [ 476.210198] ? lock_acquire+0x1d5/0x580 [ 476.214150] ? process_one_work+0xb01/0x1af0 [ 476.218558] ? __lock_is_held+0xb6/0x140 [ 476.222625] process_one_work+0xbbf/0x1af0 [ 476.226839] ? trace_hardirqs_on+0xd/0x10 [ 476.230984] ? pwq_dec_nr_in_flight+0x450/0x450 [ 476.235653] ? __schedule+0x8f3/0x2060 [ 476.239521] ? update_curr+0x2e3/0xa60 [ 476.243408] ? check_noncircular+0x20/0x20 [ 476.247627] ? retint_kernel+0x10/0x10 [ 476.251498] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 476.256497] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 476.261271] ? lock_acquire+0x1d5/0x580 [ 476.265224] ? lock_acquire+0x1d5/0x580 [ 476.269177] ? worker_thread+0x4a3/0x1990 [ 476.273306] ? lock_downgrade+0x980/0x980 [ 476.277450] ? lock_release+0xa40/0xa40 [ 476.281406] ? worker_pool_assign_id+0x1b0/0x1b0 [ 476.286145] ? do_raw_spin_trylock+0x190/0x190 [ 476.290731] worker_thread+0x223/0x1990 [ 476.294723] ? process_one_work+0x1af0/0x1af0 [ 476.299206] ? _raw_spin_unlock_irq+0x27/0x70 [ 476.303688] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 476.308687] ? trace_hardirqs_on+0xd/0x10 [ 476.312814] ? mmdrop+0x18/0x30 [ 476.316079] ? finish_task_switch+0x1f6/0x740 [ 476.320567] ? copy_overflow+0x20/0x20 [ 476.324460] ? __schedule+0x8f3/0x2060 [ 476.328368] ? find_held_lock+0x35/0x1d0 [ 476.332425] ? find_held_lock+0x35/0x1d0 [ 476.336481] ? complete+0x62/0x80 [ 476.339931] ? __schedule+0x2060/0x2060 [ 476.343884] ? do_wait_intr_irq+0x3e0/0x3e0 [ 476.348190] ? __lockdep_init_map+0xe4/0x650 [ 476.352582] ? do_raw_spin_trylock+0x190/0x190 [ 476.357152] ? lockdep_init_map+0x9/0x10 [ 476.361196] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 476.366282] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 476.371283] ? trace_hardirqs_on+0xd/0x10 [ 476.375416] ? __kthread_parkme+0x175/0x240 [ 476.379739] kthread+0x33c/0x400 [ 476.383092] ? process_one_work+0x1af0/0x1af0 [ 476.387566] ? kthread_stop+0x7a0/0x7a0 [ 476.391528] ret_from_fork+0x24/0x30 [ 476.395296] Mem-Info: [ 476.397733] active_anon:1921 inactive_anon:33 isolated_anon:0 [ 476.397733] active_file:14 inactive_file:0 isolated_file:0 [ 476.397733] unevictable:0 dirty:0 writeback:0 unstable:0 [ 476.397733] slab_reclaimable:7237 slab_unreclaimable:83279 [ 476.397733] mapped:14 shmem:40 pagetables:299 bounce:0 [ 476.397733] free:24285 free_pcp:0 free_cma:0 [ 476.429704] Node 0 active_anon:7684kB inactive_anon:132kB active_file:56kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 476.456185] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 476.482342] lowmem_reserve[]: 0 2875 6386 6386 [ 476.486969] Node 0 DMA32 free:44236kB min:30352kB low:37940kB high:45528kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946856kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 476.514165] lowmem_reserve[]: 0 0 3510 3510 [ 476.518530] Node 0 Normal free:36996kB min:37064kB low:46328kB high:55592kB active_anon:7684kB inactive_anon:132kB active_file:0kB inactive_file:244kB unevictable:0kB writepending:0kB present:4718592kB managed:3595108kB mlocked:0kB kernel_stack:2848kB pagetables:1196kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 476.546973] lowmem_reserve[]: 0 0 0 0 [ 476.554912] 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 [ 476.575043] Node 0 DMA32: 3*4kB (UM) 2*8kB (M) 3*16kB (M) 4*32kB (UM) 2*64kB (M) 3*128kB (UM) 4*256kB (UM) 3*512kB (M) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44236kB [ 476.596331] Node 0 Normal: 513*4kB (UME) 372*8kB (UME) 226*16kB (UME) 164*32kB (UME) 109*64kB (UM) 47*128kB (M) 37*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37380kB [ 476.619113] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 476.627833] 92 total pagecache pages [ 476.631562] 0 pages in swap cache [ 476.635037] Swap cache stats: add 0, delete 0, find 0/0 [ 476.640414] Free swap = 0kB [ 476.643439] Total swap = 0kB [ 476.646467] 1965979 pages RAM [ 476.649577] 0 pages HighMem/MovableOnly [ 476.653555] 326511 pages reserved [ 476.657026] Unreclaimable slab info: [ 476.660743] Name Used Total [ 476.666291] hashtab_node 118KB 119KB [ 476.671667] ebitmap_node 382KB 385KB [ 476.677134] avtab_node 1012KB 1013KB [ 476.682512] TIPC 1KB 7KB [ 476.687896] SCTPv6 2KB 4KB [ 476.693278] DCCPv6 2KB 7KB [ 476.698655] DCCP 2KB 6KB [ 476.704076] fib6_nodes 0KB 4KB [ 476.709454] ip6_dst_cache 6KB 11KB [ 476.714833] RAWv6 9KB 13KB [ 476.720208] UDPv6 12KB 14KB [ 476.725583] TCPv6 2KB 5KB [ 476.730998] sd_ext_cdb 0KB 3KB [ 476.736404] scsi_sense_cache 152KB 152KB [ 476.741820] virtio_scsi_cmd 16KB 16KB [ 476.748197] sgpool-128 8KB 8KB [ 476.753569] sgpool-64 4KB 6KB [ 476.758925] sgpool-32 464KB 464KB [ 476.764272] sgpool-16 63KB 63KB [ 476.769619] sgpool-8 236KB 236KB [ 476.774967] cfq_io_cq 15KB 19KB [ 476.780312] cfq_queue 24KB 30KB [ 476.785661] mqueue_inode_cache 1KB 7KB [ 476.791096] nfs_commit_data 3KB 7KB [ 476.796441] nfs_write_data 34KB 37KB [ 476.801789] jbd2_inode 1KB 3KB [ 476.807143] ext4_system_zone 0KB 3KB [ 476.812492] bio-1 1KB 3KB [ 476.817844] rpc_buffers 17KB 19KB [ 476.823190] rpc_tasks 2KB 3KB [ 476.828537] UNIX 1438KB 1491KB [ 476.833894] tcp_bind_bucket 0KB 4KB [ 476.839243] ip_fib_trie 0KB 3KB [ 476.844589] ip_fib_alias 0KB 3KB [ 476.849936] ip_dst_cache 3KB 8KB [ 476.855288] RAW 5KB 7KB [ 476.860974] UDP 29KB 31KB [ 476.866341] TCP 7KB 7KB [ 476.871687] hugetlbfs_inode_cache 1KB 7KB [ 476.877382] eventpoll_pwq 11KB 15KB [ 476.882728] eventpoll_epi 21KB 27KB [ 476.888074] inotify_inode_mark 4KB 7KB [ 476.893509] request_queue 31KB 39KB [ 476.898855] blkdev_ioc 21KB 27KB [ 476.904201] bio-0 476KB 476KB [ 476.909546] biovec-(1<<(21-12)) 486KB 486KB [ 476.915071] biovec-128 299KB 299KB [ 476.920427] biovec-64 166KB 173KB [ 476.925781] biovec-16 22KB 22KB [ 476.931131] bio_integrity_payload 0KB 4KB [ 476.936839] khugepaged_mm_slot 0KB 3KB [ 476.942275] uid_cache 0KB 3KB [ 476.947628] dmaengine-unmap-2 0KB 3KB [ 476.952981] audit_buffer 0KB 3KB [ 476.958327] skbuff_fclone_cache 130KB 131KB [ 476.963853] skbuff_head_cache 1810KB 1830KB [ 476.969218] configfs_dir_cache 0KB 4KB [ 476.974661] file_lock_cache 149KB 150KB [ 476.980022] file_lock_ctx 1KB 3KB [ 476.985373] fsnotify_mark_connector 2KB 3KB [ 476.991241] shmem_inode_cache 877KB 879KB [ 476.996588] task_delay_info 275KB 399KB [ 477.001933] sigqueue 309KB 322KB [ 477.007276] kernfs_node_cache 1840KB 1842KB [ 477.012621] mnt_cache 14KB 16KB [ 477.017967] filp 8031KB 8058KB [ 477.023315] names_cache 114095KB 114125KB [ 477.028663] avc_node 37KB 39KB [ 477.034019] selinux_file_security 400KB 406KB [ 477.039715] selinux_inode_security 1903KB 1912KB [ 477.045493] key_jar 3KB 7KB [ 477.050836] nsproxy 0KB 3KB [ 477.056182] vm_area_struct 16975KB 16996KB [ 477.061528] mm_struct 3937KB 3976KB [ 477.066882] fs_cache 366KB 484KB [ 477.072230] files_cache 1372KB 1605KB [ 477.077576] signal_cache 2199KB 2573KB [ 477.082920] sighand_cache 201KB 249KB [ 477.088276] task_struct 9389KB 9389KB [ 477.093625] cred_jar 2191KB 2212KB [ 477.098973] anon_vma_chain 6952KB 6965KB [ 477.104318] anon_vma 120KB 269KB [ 477.109665] pid 191KB 292KB [ 477.115021] Acpi-Operand 106KB 166KB [ 477.120371] Acpi-Namespace 19KB 23KB [ 477.125717] numa_policy 0KB 3KB [ 477.131063] debug_objects_cache 434KB 434KB [ 477.136584] trace_event_file 144KB 147KB [ 477.141933] ftrace_event_field 254KB 255KB [ 477.147368] pool_workqueue 21KB 24KB [ 477.152715] page->ptl 2739KB 2743KB [ 477.158074] kmalloc-262144 1032KB 1032KB [ 477.163420] kmalloc-131072 650KB 650KB [ 477.168775] kmalloc-65536 264KB 264KB [ 477.174136] kmalloc-32768 462KB 462KB [ 477.179488] kmalloc-16384 148KB 148KB [ 477.184842] kmalloc-8192 412KB 412KB [ 477.190197] kmalloc-4096 7820KB 7849KB [ 477.195547] kmalloc-2048 2977KB 2983KB [ 477.200894] kmalloc-1024 4087KB 4087KB [ 477.206239] kmalloc-512 2905KB 3157KB [ 477.211583] kmalloc-256 1509KB 1830KB [ 477.216934] kmalloc-128 387KB 496KB [ 477.222280] kmalloc-96 1928KB 1928KB [ 477.227629] kmalloc-64 2320KB 2324KB [ 477.232976] kmalloc-32 2280KB 2291KB [ 477.238322] kmalloc-192 800KB 800KB [ 477.243668] kmem_cache 96KB 101KB [ 477.249025] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 477.257606] [ 1607] 0 1607 5383 173 90112 0 -1000 udevd [ 477.265737] [ 2998] 0 2998 30625 166 122880 0 0 rsyslogd [ 477.274130] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 477.282183] [ 3071] 0 3071 3735 44 69632 0 0 mcstransd [ 477.290662] [ 3090] 0 3090 12490 152 139264 0 -1000 sshd [ 477.298707] [ 3124] 0 3124 3694 39 73728 0 0 getty [ 477.306839] [ 3125] 0 3125 3694 42 77824 0 0 getty [ 477.314968] [ 3126] 0 3126 3694 42 73728 0 0 getty [ 477.323106] [ 3127] 0 3127 3694 41 77824 0 0 getty [ 477.331243] [ 3128] 0 3128 3694 40 77824 0 0 getty [ 477.339379] [ 3129] 0 3129 3694 42 77824 0 0 getty [ 477.347507] [ 3130] 0 3130 3649 39 77824 0 0 getty [ 477.355643] [ 3134] 0 3134 5681 454 86016 0 -1000 udevd [ 477.363769] [ 3135] 0 3135 5681 454 86016 0 -1000 udevd [ 477.371906] [ 3155] 0 3155 17821 198 184320 0 0 sshd [ 477.379955] [ 3158] 0 3158 4371 0 32768 0 0 syzkaller136190 [ 477.388958] [ 3159] 0 3159 4371 0 32768 0 0 syzkaller136190 [ 477.397957] [ 3160] 0 3160 4371 0 32768 0 0 syzkaller136190 [ 477.406962] [ 3161] 0 3161 4371 0 32768 0 0 syzkaller136190 [ 477.415963] [ 3162] 0 3162 4371 0 32768 0 0 syzkaller136190 [ 477.424969] [ 3163] 0 3163 4371 0 32768 0 0 syzkaller136190 [ 477.433976] [ 3164] 0 3164 4371 0 32768 0 0 syzkaller136190 [ 477.442979] [ 3165] 0 3165 4371 0 32768 0 0 syzkaller136190 [ 477.451982] Out of memory: Kill process 3155 (sshd) score 0 or sacrifice child Connection to 10.128.15.216 closed by remote host. [ 477.459401] Killed process 3155 (sshd) total-vm