[....] Starting enhanced syslogd: rsyslogd[   13.129560] audit: type=1400 audit(1516123781.270:5): avc:  denied  { syslog } for  pid=3502 comm="rsyslogd" capability=34  scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1
[?25l[?1c7[ ok 8[?25h[?0c.
Starting mcstransd: 
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   18.595212] audit: type=1400 audit(1516123786.736:6): avc:  denied  { map } for  pid=3643 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 '10.128.15.208' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
[   24.775837] audit: type=1400 audit(1516123792.916:7): avc:  denied  { map } for  pid=3657 comm="syzkaller610764" path="/root/syzkaller610764711" 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
[   24.824384] audit: type=1400 audit(1516123792.916:8): avc:  denied  { map_create } for  pid=3663 comm="syzkaller610764" 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
[   31.017852] syzkaller610764 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0
[   31.030361] syzkaller610764 cpuset=/ mems_allowed=0
[   31.035696] CPU: 1 PID: 3663 Comm: syzkaller610764 Not tainted 4.15.0-rc7-mm1+ #56
[   31.043389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   31.052727] Call Trace:
[   31.055300]  dump_stack+0x194/0x257
[   31.058900]  ? arch_local_irq_restore+0x53/0x53
[   31.063541]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   31.068708]  dump_header+0x28c/0xe2b
[   31.072397]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   31.077561]  ? pagefault_out_of_memory+0x145/0x145
[   31.082466]  ? print_irqtrace_events+0x270/0x270
[   31.087200]  ? avc_has_perm_noaudit+0x37e/0x520
[   31.091842]  ? check_noncircular+0x20/0x20
[   31.096059]  ? reacquire_held_locks+0x1f9/0x3e0
[   31.100694]  ? reacquire_held_locks+0x1f9/0x3e0
[   31.105334]  ? check_noncircular+0x20/0x20
[   31.109536]  ? task_will_free_mem+0x252/0xaa0
[   31.113999]  ? check_noncircular+0x20/0x20
[   31.118213]  ? print_irqtrace_events+0x270/0x270
[   31.122946]  ? ___ratelimit+0x30d/0x630
[   31.126892]  ? lock_downgrade+0x980/0x980
[   31.131024]  ? lock_release+0xa40/0xa40
[   31.134973]  ? mark_held_locks+0xaf/0x100
[   31.139091]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   31.144166]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   31.149242]  ? trace_hardirqs_on+0xd/0x10
[   31.153361]  ? ___ratelimit+0x95/0x630
[   31.157218]  ? idr_get_free_cmn+0xfd0/0xfd0
[   31.161517]  ? check_noncircular+0x20/0x20
[   31.165732]  oom_kill_process+0x81b/0x9f0
[   31.169935]  ? oom_badness+0xd1/0x980
[   31.173712]  ? lock_release+0xa40/0xa40
[   31.177682]  ? oom_kill_memcg_member+0x20/0x20
[   31.182243]  ? oom_evaluate_task+0x480/0x480
[   31.186628]  ? out_of_memory+0xe1c/0x1790
[   31.190746]  ? lock_downgrade+0x980/0x980
[   31.194868]  ? lock_release+0xa40/0xa40
[   31.198816]  ? find_next_bit+0xcc/0x100
[   31.202770]  ? oom_evaluate_task+0x284/0x480
[   31.207152]  out_of_memory+0x9d5/0x1790
[   31.211107]  ? oom_killer_disable+0x310/0x310
[   31.215580]  ? mutex_trylock+0x23a/0x2d0
[   31.219607]  ? __alloc_pages_slowpath+0xf63/0x2cc0
[   31.224505]  ? __lock_is_held+0xb6/0x140
[   31.228535]  ? __ww_mutex_wakeup_for_backoff+0x240/0x240
[   31.233975]  __alloc_pages_slowpath+0x1ce4/0x2cc0
[   31.238820]  ? warn_alloc+0x2b0/0x2b0
[   31.242594]  ? lock_release+0xa40/0xa40
[   31.246547]  ? print_irqtrace_events+0x270/0x270
[   31.251287]  ? mutex_spin_on_owner+0x446/0xb50
[   31.255848]  ? __lock_acquire+0x664/0x3e00
[   31.260064]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   31.265916]  ? lock_release+0xa40/0xa40
[   31.269883]  ? __lock_is_held+0xb6/0x140
[   31.273930]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   31.279784]  ? find_held_lock+0x35/0x1d0
[   31.283824]  ? __might_sleep+0x95/0x190
[   31.287776]  __alloc_pages_nodemask+0x9fb/0xd80
[   31.292423]  ? __alloc_pages_slowpath+0x2cc0/0x2cc0
[   31.297432]  ? pcpu_chunk_refresh_hint+0x425/0x570
[   31.302337]  ? print_irqtrace_events+0x270/0x270
[   31.307069]  ? __lock_is_held+0xb6/0x140
[   31.311119]  ? find_next_bit+0xcc/0x100
[   31.315071]  pcpu_populate_chunk+0x1b3/0x880
[   31.319447]  ? find_next_bit+0x7/0x100
[   31.323341]  pcpu_alloc+0x978/0x10e0
[   31.327038]  ? pcpu_free_area+0xa00/0xa00
[   31.331158]  ? __pte_alloc_kernel+0x1bd/0x2a0
[   31.335627]  ? vmap_page_range_noflush+0x523/0x720
[   31.340548]  ? map_vm_area+0x9e/0xd0
[   31.344234]  ? __vmalloc_node_range+0x37a/0x650
[   31.348883]  ? array_map_alloc+0x354/0x990
[   31.353093]  ? __vmalloc_node_flags_caller+0x50/0x60
[   31.358172]  __alloc_percpu_gfp+0x27/0x30
[   31.362294]  array_map_alloc+0x794/0x990
[   31.366338]  SyS_bpf+0x7f8/0x4400
[   31.369764]  ? perf_event_mmap+0x115/0x12a0
[   31.374064]  ? bpf_prog_get+0x20/0x20
[   31.377838]  ? perf_event_fork+0x30/0x30
[   31.381877]  ? __lock_is_held+0xb6/0x140
[   31.385908]  ? check_noncircular+0x20/0x20
[   31.390120]  ? vma_wants_writenotify+0x51/0x3b0
[   31.394765]  ? __handle_mm_fault+0x80e/0x3ce0
[   31.399239]  ? check_noncircular+0x20/0x20
[   31.403449]  ? __pmd_alloc+0x4e0/0x4e0
[   31.407306]  ? vma_link+0xe9/0x170
[   31.410824]  ? find_held_lock+0x35/0x1d0
[   31.414864]  ? handle_mm_fault+0x2a0/0x930
[   31.419072]  ? find_held_lock+0x35/0x1d0
[   31.423114]  ? __do_page_fault+0x5f7/0xc90
[   31.427320]  ? lock_downgrade+0x980/0x980
[   31.431448]  ? handle_mm_fault+0x476/0x930
[   31.435651]  ? down_read_trylock+0xdb/0x170
[   31.439943]  ? __handle_mm_fault+0x3ce0/0x3ce0
[   31.444491]  ? vmacache_find+0x5f/0x280
[   31.448437]  ? vmacache_update+0xfe/0x130
[   31.452562]  ? up_read+0x1a/0x40
[   31.455900]  ? __do_page_fault+0x3d6/0xc90
[   31.460117]  ? mm_fault_error+0x2c0/0x2c0
[   31.464249]  ? do_page_fault+0xee/0x720
[   31.468194]  ? __do_page_fault+0xc90/0xc90
[   31.472411]  ? SyS_mmap_pgoff+0x243/0x5f0
[   31.476539]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   31.481282]  entry_SYSCALL_64_fastpath+0x29/0xa0
[   31.486018] RIP: 0033:0x440139
[   31.489322] RSP: 002b:00007fff19894578 EFLAGS: 00000217 ORIG_RAX: 0000000000000141
[   31.497011] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139
[   31.504256] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000
[   31.511495] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000
[   31.518743] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0
[   31.525983] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000
[   31.533290] Mem-Info:
[   31.537162] active_anon:7880 inactive_anon:64 isolated_anon:0
[   31.537162]  active_file:38 inactive_file:0 isolated_file:0
[   31.537162]  unevictable:0 dirty:7 writeback:0 unstable:0
[   31.537162]  slab_reclaimable:7298 slab_unreclaimable:83015
[   31.537162]  mapped:24 shmem:70 pagetables:348 bounce:0
[   31.537162]  free:24004 free_pcp:11 free_cma:0
[   31.569498] Node 0 active_anon:31520kB inactive_anon:256kB active_file:152kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96kB dirty:28kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[   31.596733] 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
[   31.622915] lowmem_reserve[]: 0 2870 6381 6381
[   31.627519] Node 0 DMA32 free:43492kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942308kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[   31.654777] lowmem_reserve[]: 0 0 3510 3510
[   31.659127] Node 0 Normal free:36616kB min:37084kB low:46352kB high:55620kB active_anon:31492kB inactive_anon:252kB active_file:84kB inactive_file:0kB unevictable:0kB writepending:128kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3104kB pagetables:1392kB bounce:0kB free_pcp:32kB local_pcp:4kB free_cma:0kB
[   31.687760] lowmem_reserve[]: 0 0 0 0
[   31.691565] 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
[   31.705204] Node 0 DMA32: 7*4kB (UME) 7*8kB (UME) 5*16kB (UME) 6*32kB (UME) 4*64kB (UM) 5*128kB (ME) 5*256kB (ME) 4*512kB (ME) 4*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43492kB
[   31.722390] Node 0 Normal: 501*4kB (UM) 413*8kB (UM) 274*16kB (UM) 149*32kB (UME) 61*64kB (UM) 19*128kB (UM) 26*256kB (M) 18*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36668kB
[   31.737997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[   31.746583] 96 total pagecache pages
[   31.750292] 0 pages in swap cache
[   31.753743] Swap cache stats: add 0, delete 0, find 0/0
[   31.759110] Free swap  = 0kB
[   31.762123] Total swap = 0kB
[   31.765137] 1965979 pages RAM
[   31.768236] 0 pages HighMem/MovableOnly
[   31.772198] 327769 pages reserved
[   31.775715] Unreclaimable slab info:
[   31.779533] Name                      Used          Total
[   31.785158] hashtab_node             118KB        119KB
[   31.790528] ebitmap_node             382KB        385KB
[   31.795970] avtab_node              1012KB       1017KB
[   31.801341] TIPC                       1KB          7KB
[   31.806722] SCTPv6                     2KB          4KB
[   31.812078] DCCPv6                     2KB          7KB
[   31.817449] DCCP                       2KB          6KB
[   31.822824] fib6_nodes                 0KB          4KB
[   31.828184] ip6_dst_cache              5KB          7KB
[   31.833554] RAWv6                      9KB         13KB
[   31.838917] UDPv6                     12KB         14KB
[   31.844272] TCPv6                      2KB          5KB
[   31.849654] sd_ext_cdb                 0KB          3KB
[   31.855032] scsi_sense_cache          79KB        136KB
[   31.860390] virtio_scsi_cmd           16KB         16KB
[   31.865760] sgpool-128                 8KB          8KB
[   31.871133] sgpool-64                  4KB          6KB
[   31.876491] sgpool-32                 55KB         63KB
[   31.881853] sgpool-16                 28KB         30KB
[   31.887217] sgpool-8                 165KB        165KB
[   31.892578] cfq_io_cq                 17KB         19KB
[   31.897938] cfq_queue                 24KB         30KB
[   31.903304] mqueue_inode_cache          1KB          7KB
[   31.908758] nfs_commit_data            3KB          7KB
[   31.914114] nfs_write_data            34KB         37KB
[   31.919484] jbd2_inode                 1KB          3KB
[   31.924860] ext4_system_zone           0KB          3KB
[   31.930241] bio-1                      1KB          3KB
[   31.935617] rpc_buffers               17KB         19KB
[   31.940980] rpc_tasks                  2KB          3KB
[   31.946357] UNIX                     780KB        780KB
[   31.951727] tcp_bind_bucket            0KB          4KB
[   31.957114] ip_fib_trie                0KB          3KB
[   31.962483] ip_fib_alias               0KB          3KB
[   31.967847] ip_dst_cache               3KB          4KB
[   31.973221] RAW                        5KB          7KB
[   31.978581] UDP                       29KB         39KB
[   31.983934] TCP                        7KB          7KB
[   31.989298] hugetlbfs_inode_cache          1KB          7KB
[   31.995033] eventpoll_pwq             10KB         11KB
[   32.000390] eventpoll_epi             18KB         23KB
[   32.005755] inotify_inode_mark          3KB          7KB
[   32.011217] request_queue             54KB        136KB
[   32.016574] blkdev_ioc                23KB         23KB
[   32.021921] bio-0                    269KB        270KB
[   32.027282] biovec-(1<<(21-12))        453KB        453KB
[   32.032813] biovec-64                 94KB        102KB
[   32.038170] biovec-16                 10KB         15KB
[   32.043535] bio_integrity_payload          0KB          4KB
[   32.049252] khugepaged_mm_slot          0KB          3KB
[   32.054701] uid_cache                  0KB          3KB
[   32.060051] dmaengine-unmap-2          0KB          3KB
[   32.065414] audit_buffer               0KB          3KB
[   32.070772] skbuff_fclone_cache        135KB        138KB
[   32.076295] skbuff_head_cache       1620KB       1620KB
[   32.081657] configfs_dir_cache          0KB          4KB
[   32.087114] file_lock_cache          160KB        162KB
[   32.092473] file_lock_ctx              1KB          3KB
[   32.097838] fsnotify_mark_connector          2KB          3KB
[   32.103731] shmem_inode_cache       1045KB       1046KB
[   32.109124] task_delay_info          320KB        320KB
[   32.114499] sigqueue                 368KB        374KB
[   32.119854] kernfs_node_cache       2288KB       2295KB
[   32.125223] mnt_cache                 15KB         16KB
[   32.130591] filp                    8426KB       8842KB
[   32.135949] names_cache           110619KB     110657KB
[   32.141320] avc_node                  38KB         39KB
[   32.146681] selinux_file_security        429KB        488KB
[   32.152383] selinux_inode_security       1956KB       1956KB
[   32.158182] key_jar                    3KB          7KB
[   32.163551] nsproxy                    0KB          3KB
[   32.168913] vm_area_struct         18690KB      18690KB
[   32.174264] mm_struct               4525KB       4531KB
[   32.179630] fs_cache                 427KB        432KB
[   32.184987] files_cache             1597KB       1597KB
[   32.190344] signal_cache            2544KB       2544KB
[   32.195706] sighand_cache            231KB        339KB
[   32.201078] task_struct            10853KB      10853KB
[   32.206439] cred_jar                2359KB       2360KB
[   32.211809] anon_vma_chain          7835KB       7835KB
[   32.217186] anon_vma                 160KB        338KB
[   32.222548] pid                      221KB        228KB
[   32.227900] Acpi-Operand             106KB        170KB
[   32.233267] Acpi-ParseExt              0KB          3KB
[   32.238628] Acpi-Parse                 0KB          3KB
[   32.243983] Acpi-State                 0KB          7KB
[   32.249351] Acpi-Namespace            19KB         23KB
[   32.254723] numa_policy                0KB          3KB
[   32.260074] debug_objects_cache        531KB        531KB
[   32.265623] trace_event_file         145KB        147KB
[   32.270986] ftrace_event_field        257KB        259KB
[   32.276433] pool_workqueue            24KB         28KB
[   32.281803] page->ptl               3105KB       3107KB
[   32.287199] kmalloc-262144          1032KB       1032KB
[   32.292562] kmalloc-131072           650KB        650KB
[   32.297913] kmalloc-65536            264KB        264KB
[   32.303278] kmalloc-32768            825KB        825KB
[   32.308635] kmalloc-16384            181KB        181KB
[   32.313989] kmalloc-8192             519KB        519KB
[   32.319356] kmalloc-4096            6672KB       6710KB
[   32.324715] kmalloc-2048            4468KB       4468KB
[   32.330067] kmalloc-1024            2858KB       2858KB
[   32.335432] kmalloc-512             2782KB       2782KB
[   32.340791] kmalloc-256             1978KB       2452KB
[   32.346144] kmalloc-128              410KB        507KB
[   32.351505] kmalloc-96              2048KB       2048KB
[   32.356861] kmalloc-64              2464KB       2464KB
[   32.362212] kmalloc-32              2401KB       2401KB
[   32.367659] kmalloc-192              908KB        908KB
[   32.373041] kmem_cache               100KB        105KB
[   32.378399] [ pid ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
[   32.387083] [ 1823]     0  1823     5385      183    86016        0         -1000 udevd
[   32.395387] [ 3371]     0  3371     2493      572    61440        0             0 dhclient
[   32.403813] [ 3502]     0  3502    14265      109   126976        0             0 rsyslogd
[   32.412217] [ 3557]     0  3557     4725       51    81920        0             0 cron
[   32.420267] [ 3560]     0  3560     3736       44    69632        0             0 mcstransd
[   32.428751] [ 3585]     0  3585    12927     1227   126976        0             0 restorecond
[   32.437424] [ 3586]     0  3586    12490      152   135168        0         -1000 sshd
[   32.445499] [ 3627]     0  3627     3694       40    73728        0             0 getty
[   32.453656] [ 3628]     0  3628     3694       41    77824        0             0 getty
[   32.461814] [ 3629]     0  3629     3694       41    73728        0             0 getty
[   32.469956] [ 3630]     0  3630     3694       40    77824        0             0 getty
[   32.478094] [ 3631]     0  3631     3694       41    77824        0             0 getty
[   32.486232] [ 3632]     0  3632     3694       39    77824        0             0 getty
[   32.494372] [ 3633]     0  3633     3649       40    77824        0             0 getty
[   32.502511] [ 3638]     0  3638     5681      455    86016        0         -1000 udevd
[   32.510663] [ 3639]     0  3639     5681      455    86016        0         -1000 udevd
[   32.518803] [ 3655]     0  3655    17821      198   188416        0             0 sshd
[   32.526858] [ 3657]     0  3657      280        1    32768        0             0 syzkaller610764
[   32.535872] [ 3658]     0  3658     4375      522    36864        0             0 syzkaller610764
[   32.544883] [ 3659]     0  3659     4375      522    36864        0             0 syzkaller610764
[   32.553900] [ 3660]     0  3660     4375      522    36864        0             0 syzkaller610764
[   32.562918] [ 3661]     0  3661     4375      522    36864        0             0 syzkaller610764
[   32.571927] [ 3662]     0  3662     4375      522    36864        0             0 syzkaller610764
[   32.580933] [ 3663]     0  3663     4375      522    36864        0             0 syzkaller610764
[   32.589936] [ 3664]     0  3664     4375      522    36864        0             0 syzkaller610764
[   32.598940] [ 3665]     0  3665     4375      522    36864        0             0 syzkaller610764
[   32.607942] Out of memory: Kill process 3585 (restorecond) score 0 or sacrifice child
[   32.616669] Killed process 3585 (restorecond) total-vm:51708kB, anon-rss:4908kB, file-rss:0kB, shmem-rss:0kB
[   32.645840] syzkaller610764 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0
[   32.658190] syzkaller610764 cpuset=/ mems_allowed=0
[   32.663212] CPU: 0 PID: 3665 Comm: syzkaller610764 Not tainted 4.15.0-rc7-mm1+ #56
[   32.670885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.680208] Call Trace:
[   32.682769]  dump_stack+0x194/0x257
[   32.686368]  ? arch_local_irq_restore+0x53/0x53
[   32.691016]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   32.696181]  dump_header+0x28c/0xe2b
[   32.699869]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   32.705045]  ? pagefault_out_of_memory+0x145/0x145
[   32.709954]  ? print_irqtrace_events+0x270/0x270
[   32.714685]  ? avc_has_perm_noaudit+0x37e/0x520
[   32.719360]  ? check_noncircular+0x20/0x20
[   32.723572]  ? check_noncircular+0x20/0x20
[   32.727784]  ? print_irqtrace_events+0x270/0x270
[   32.732520]  ? reacquire_held_locks+0x1f9/0x3e0
[   32.737168]  ? reacquire_held_locks+0x1f9/0x3e0
[   32.741808]  ? check_noncircular+0x20/0x20
[   32.746011]  ? task_will_free_mem+0x252/0xaa0
[   32.750475]  ? check_noncircular+0x20/0x20
[   32.754688]  ? print_irqtrace_events+0x270/0x270
[   32.759434]  ? ___ratelimit+0x30d/0x630
[   32.763383]  ? lock_downgrade+0x980/0x980
[   32.767503]  ? lock_release+0xa40/0xa40
[   32.771459]  ? mark_held_locks+0xaf/0x100
[   32.775581]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   32.780653]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   32.785640]  ? trace_hardirqs_on+0xd/0x10
[   32.789760]  ? ___ratelimit+0x95/0x630
[   32.793618]  ? idr_get_free_cmn+0xfd0/0xfd0
[   32.797912]  ? check_noncircular+0x20/0x20
[   32.802123]  oom_kill_process+0x81b/0x9f0
[   32.806240]  ? oom_badness+0xd1/0x980
[   32.810011]  ? lock_release+0xa40/0xa40
[   32.813964]  ? oom_kill_memcg_member+0x20/0x20
[   32.818513]  ? mark_held_locks+0xaf/0x100
[   32.822641]  ? oom_evaluate_task+0x480/0x480
[   32.827025]  ? out_of_memory+0xe1c/0x1790
[   32.831144]  ? lock_downgrade+0x980/0x980
[   32.835263]  ? lock_release+0xa40/0xa40
[   32.839203]  ? find_next_bit+0xcc/0x100
[   32.843155]  ? oom_evaluate_task+0x284/0x480
[   32.847534]  out_of_memory+0x9d5/0x1790
[   32.851496]  ? oom_killer_disable+0x310/0x310
[   32.855973]  ? mutex_trylock+0x23a/0x2d0
[   32.860002]  ? __alloc_pages_slowpath+0xf63/0x2cc0
[   32.864901]  ? __lock_is_held+0xb6/0x140
[   32.868932]  ? __ww_mutex_wakeup_for_backoff+0x240/0x240
[   32.874364]  __alloc_pages_slowpath+0x1ce4/0x2cc0
[   32.879190]  ? lock_downgrade+0x980/0x980
[   32.883321]  ? warn_alloc+0x2b0/0x2b0
[   32.887097]  ? trace_hardirqs_off+0xd/0x10
[   32.891302]  ? print_irqtrace_events+0x270/0x270
[   32.896042]  ? lock_acquire+0x1d5/0x580
[   32.899983]  ? lock_acquire+0x1d5/0x580
[   32.903928]  ? __lock_acquire+0x664/0x3e00
[   32.908136]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   32.913990]  ? lock_release+0xa40/0xa40
[   32.917949]  ? __lock_is_held+0xb6/0x140
[   32.921992]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   32.927853]  ? __might_sleep+0x95/0x190
[   32.931800]  __alloc_pages_nodemask+0x9fb/0xd80
[   32.936439]  ? lock_release+0xa40/0xa40
[   32.940394]  ? __alloc_pages_slowpath+0x2cc0/0x2cc0
[   32.945389]  ? pcpu_chunk_refresh_hint+0x425/0x570
[   32.950291]  ? print_irqtrace_events+0x270/0x270
[   32.955021]  ? __lock_is_held+0xb6/0x140
[   32.959057]  ? find_next_bit+0xcc/0x100
[   32.963015]  pcpu_populate_chunk+0x1b3/0x880
[   32.967391]  ? find_next_bit+0x7/0x100
[   32.971257]  pcpu_alloc+0x978/0x10e0
[   32.974952]  ? pcpu_free_area+0xa00/0xa00
[   32.979075]  ? vmap_page_range_noflush+0x523/0x720
[   32.983995]  ? map_vm_area+0x9e/0xd0
[   32.987681]  ? __vmalloc_node_range+0x37a/0x650
[   32.992329]  ? array_map_alloc+0x354/0x990
[   32.996532]  ? __vmalloc_node_flags_caller+0x50/0x60
[   33.001608]  __alloc_percpu_gfp+0x27/0x30
[   33.005732]  array_map_alloc+0x794/0x990
[   33.009771]  SyS_bpf+0x7f8/0x4400
[   33.013196]  ? perf_event_mmap+0x115/0x12a0
[   33.017494]  ? bpf_prog_get+0x20/0x20
[   33.021273]  ? perf_event_fork+0x30/0x30
[   33.025310]  ? __lock_is_held+0xb6/0x140
[   33.029341]  ? check_noncircular+0x20/0x20
[   33.033542]  ? vma_wants_writenotify+0x51/0x3b0
[   33.038186]  ? __handle_mm_fault+0x80e/0x3ce0
[   33.042663]  ? check_noncircular+0x20/0x20
[   33.046864]  ? __pmd_alloc+0x4e0/0x4e0
[   33.050717]  ? vma_link+0xe9/0x170
[   33.054231]  ? find_held_lock+0x35/0x1d0
[   33.058266]  ? handle_mm_fault+0x2a0/0x930
[   33.062473]  ? find_held_lock+0x35/0x1d0
[   33.066511]  ? __do_page_fault+0x5f7/0xc90
[   33.070714]  ? lock_downgrade+0x980/0x980
[   33.074855]  ? handle_mm_fault+0x476/0x930
[   33.079053]  ? down_read_trylock+0xdb/0x170
[   33.083358]  ? __handle_mm_fault+0x3ce0/0x3ce0
[   33.087908]  ? vmacache_find+0x5f/0x280
[   33.091854]  ? vmacache_update+0xfe/0x130
[   33.096004]  ? up_read+0x1a/0x40
[   33.099341]  ? __do_page_fault+0x3d6/0xc90
[   33.103549]  ? mm_fault_error+0x2c0/0x2c0
[   33.107674]  ? do_page_fault+0xee/0x720
[   33.111618]  ? __do_page_fault+0xc90/0xc90
[   33.115843]  ? SyS_mmap_pgoff+0x243/0x5f0
[   33.119978]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   33.124711]  entry_SYSCALL_64_fastpath+0x29/0xa0
[   33.129435] RIP: 0033:0x440139
[   33.132592] RSP: 002b:00007fff19894578 EFLAGS: 00000217 ORIG_RAX: 0000000000000141
[   33.140267] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139
[   33.147505] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000
[   33.154743] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000
[   33.161982] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0
[   33.169228] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000
[   33.176571] Mem-Info:
[   33.179071] active_anon:6650 inactive_anon:64 isolated_anon:0
[   33.179071]  active_file:13 inactive_file:29 isolated_file:0
[   33.179071]  unevictable:0 dirty:0 writeback:0 unstable:0
[   33.179071]  slab_reclaimable:7299 slab_unreclaimable:83003
[   33.179071]  mapped:2 shmem:70 pagetables:322 bounce:0
[   33.179071]  free:24079 free_pcp:0 free_cma:0
[   33.211708] Node 0 active_anon:26600kB inactive_anon:256kB active_file:52kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[   33.239489] 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
[   33.265677] lowmem_reserve[]: 0 2870 6381 6381
[   33.270305] Node 0 DMA32 free:43492kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942308kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[   33.297582] lowmem_reserve[]: 0 0 3510 3510
[   33.301929] Node 0 Normal free:36916kB min:37084kB low:46352kB high:55620kB active_anon:26572kB inactive_anon:252kB active_file:44kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3072kB pagetables:1288kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[   33.330313] lowmem_reserve[]: 0 0 0 0
[   33.334152] 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
[   33.348438] Node 0 DMA32: 7*4kB (UME) 7*8kB (UME) 5*16kB (UME) 6*32kB (UME) 4*64kB (UM) 5*128kB (ME) 5*256kB (ME) 4*512kB (ME) 4*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43492kB
[   33.364625] Node 0 Normal: 482*4kB (UME) 398*8kB (ME) 262*16kB (UME) 157*32kB (UM) 84*64kB (UME) 21*128kB (UM) 25*256kB (UM) 16*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36984kB
[   33.380540] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[   33.389152] 112 total pagecache pages
[   33.392964] 0 pages in swap cache
[   33.396428] Swap cache stats: add 0, delete 0, find 0/0
[   33.401797] Free swap  = 0kB
[   33.404819] Total swap = 0kB
[   33.407838] 1965979 pages RAM
[   33.410943] 0 pages HighMem/MovableOnly
[   33.414907] 327769 pages reserved
[   33.418357] Unreclaimable slab info:
[   33.422072] Name                      Used          Total
[   33.427623] hashtab_node             118KB        119KB
[   33.432982] ebitmap_node             382KB        385KB
[   33.438367] avtab_node              1012KB       1017KB
[   33.443744] TIPC                       1KB          7KB
[   33.449120] SCTPv6                     2KB          4KB
[   33.454496] DCCPv6                     2KB          7KB
[   33.459853] DCCP                       2KB          6KB
[   33.465236] fib6_nodes                 0KB          4KB
[   33.470611] ip6_dst_cache              5KB          7KB
[   33.475984] RAWv6                      9KB         13KB
[   33.482242] UDPv6                     12KB         14KB
[   33.487633] TCPv6                      2KB          5KB
[   33.493004] sd_ext_cdb                 0KB          3KB
[   33.498392] scsi_sense_cache          79KB        136KB
[   33.503762] virtio_scsi_cmd           16KB         16KB
[   33.509138] sgpool-128                 8KB          8KB
[   33.514510] sgpool-64                  4KB          6KB
[   33.519877] sgpool-32                 63KB         63KB
[   33.525251] sgpool-16                 30KB         30KB
[   33.530623] sgpool-8                 165KB        165KB
[   33.535994] cfq_io_cq                 17KB         19KB
[   33.541368] cfq_queue                 29KB         30KB
[   33.546725] mqueue_inode_cache          1KB          7KB
[   33.552812] nfs_commit_data            3KB          7KB
[   33.558179] nfs_write_data            34KB         37KB
[   33.563555] jbd2_inode                 1KB          3KB
[   33.568930] ext4_system_zone           0KB          3KB
[   33.574313] bio-1                      1KB          3KB
[   33.579685] rpc_buffers               17KB         19KB
[   33.585055] rpc_tasks                  2KB          3KB
[   33.590429] UNIX                     780KB        780KB
[   33.595810] tcp_bind_bucket            0KB          4KB
[   33.601184] ip_fib_trie                0KB          3KB
[   33.606544] ip_fib_alias               0KB          3KB
[   33.611911] ip_dst_cache               3KB          4KB
[   33.618094] RAW                        5KB          7KB
[   33.623480] UDP                       29KB         39KB
[   33.628860] TCP                        7KB          7KB
[   33.634235] hugetlbfs_inode_cache          1KB          7KB
[   33.639958] eventpoll_pwq             10KB         11KB
[   33.645333] eventpoll_epi             18KB         23KB
[   33.650710] inotify_inode_mark          3KB          7KB
[   33.656200] request_queue             54KB        136KB
[   33.661580] blkdev_ioc                23KB         23KB
[   33.666944] bio-0                    273KB        273KB
[   33.672312] biovec-(1<<(21-12))        453KB        453KB
[   33.677872] biovec-64                102KB        102KB
[   33.683249] biovec-16                 15KB         15KB
[   33.688623] bio_integrity_payload          0KB          4KB
[   33.696095] khugepaged_mm_slot          0KB          3KB
[   33.702451] uid_cache                  0KB          3KB
[   33.708549] dmaengine-unmap-2          0KB          3KB
[   33.714866] audit_buffer               0KB          3KB
[   33.721763] skbuff_fclone_cache        135KB        138KB
[   33.728720] skbuff_head_cache       1620KB       1620KB
[   33.734940] configfs_dir_cache          0KB          4KB
[   33.741677] file_lock_cache          160KB        162KB
[   33.747936] file_lock_ctx              1KB          3KB
[   33.754866] fsnotify_mark_connector          2KB          3KB
[   33.761684] shmem_inode_cache       1045KB       1046KB
[   33.768206] task_delay_info          320KB        320KB
[   33.774383] sigqueue                 368KB        374KB
[   33.780529] kernfs_node_cache       2288KB       2295KB
[   33.787636] mnt_cache                 15KB         16KB
[   33.793914] filp                    8426KB       8842KB
[   33.800137] names_cache           110619KB     110657KB
[   33.805516] avc_node                  38KB         39KB
[   33.810891] selinux_file_security        429KB        488KB
[   33.816610] selinux_inode_security       1956KB       1956KB
[   33.822415] key_jar                    3KB          7KB
[   33.827788] nsproxy                    0KB          3KB
[   33.833160] vm_area_struct         18690KB      18690KB
[   33.838529] mm_struct               4525KB       4531KB
[   33.843921] fs_cache                 427KB        432KB
[   33.849294] files_cache             1597KB       1597KB
[   33.854667] signal_cache            2544KB       2544KB
[   33.860042] sighand_cache            231KB        339KB
[   33.865413] task_struct            10853KB      10853KB
[   33.870787] cred_jar                2359KB       2360KB
[   33.876162] anon_vma_chain          7835KB       7835KB
[   33.881539] anon_vma                 160KB        338KB
[   33.886920] pid                      221KB        228KB
[   33.892296] Acpi-Operand             106KB        170KB
[   33.897667] Acpi-ParseExt              0KB          3KB
[   33.903040] Acpi-Parse                 0KB          3KB
[   33.908438] Acpi-State                 0KB          7KB
[   33.913824] Acpi-Namespace            19KB         23KB
[   33.919244] numa_policy                0KB          3KB
[   33.924704] debug_objects_cache        531KB        531KB
[   33.930255] trace_event_file         145KB        147KB
[   33.935632] ftrace_event_field        257KB        259KB
[   33.941091] pool_workqueue            24KB         28KB
[   33.946468] page->ptl               3105KB       3107KB
[   33.951864] kmalloc-262144          1032KB       1032KB
[   33.957237] kmalloc-131072           650KB        650KB
[   33.962610] kmalloc-65536            264KB        264KB
[   33.967988] kmalloc-32768            825KB        825KB
[   33.973378] kmalloc-16384            181KB        181KB
[   33.978750] kmalloc-8192             519KB        519KB
[   33.984106] kmalloc-4096            6672KB       6710KB
[   33.989471] kmalloc-2048            4481KB       4481KB
[   33.994841] kmalloc-1024            2858KB       2858KB
[   34.000215] kmalloc-512             2782KB       2782KB
[   34.005587] kmalloc-256             1978KB       2452KB
[   34.010958] kmalloc-128              410KB        507KB
[   34.016338] kmalloc-96              2052KB       2052KB
[   34.021712] kmalloc-64              2468KB       2468KB
[   34.027083] kmalloc-32              2401KB       2401KB
[   34.032458] kmalloc-192              912KB        912KB
[   34.037858] kmem_cache               100KB        105KB
[   34.044174] [ pid ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
[   34.053670] [ 1823]     0  1823     5385      183    86016        0         -1000 udevd
[   34.061861] [ 3371]     0  3371     2493      572    61440        0             0 dhclient
[   34.070287] [ 3502]     0  3502    14265      108   126976        0             0 rsyslogd
[   34.078711] [ 3557]     0  3557     4725       51    81920        0             0 cron
[   34.086773] [ 3560]     0  3560     3736       44    69632        0             0 mcstransd
[   34.095286] [ 3586]     0  3586    12490      152   135168        0         -1000 sshd
[   34.103477] [ 3627]     0  3627     3694       40    73728        0             0 getty
[   34.111645] [ 3628]     0  3628     3694       41    77824        0             0 getty
[   34.119810] [ 3629]     0  3629     3694       41    73728        0             0 getty
[   34.127982] [ 3630]     0  3630     3694       40    77824        0             0 getty
[   34.136149] [ 3631]     0  3631     3694       41    77824        0             0 getty
[   34.144321] [ 3632]     0  3632     3694       39    77824        0             0 getty
[   34.152488] [ 3633]     0  3633     3649       40    77824        0             0 getty
[   34.160653] [ 3638]     0  3638     5681      455    86016        0         -1000 udevd
[   34.168843] [ 3639]     0  3639     5681      455    86016        0         -1000 udevd
[   34.177045] [ 3655]     0  3655    17821      198   188416        0             0 sshd
[   34.185136] [ 3657]     0  3657      280        1    32768        0             0 syzkaller610764
[   34.194161] [ 3658]     0  3658     4375      522    36864        0             0 syzkaller610764
[   34.203188] [ 3659]     0  3659     4375      522    36864        0             0 syzkaller610764
[   34.212214] [ 3660]     0  3660     4375      522    36864        0             0 syzkaller610764
[   34.221246] [ 3661]     0  3661     4375      522    36864        0             0 syzkaller610764
[   34.230282] [ 3662]     0  3662     4375      522    36864        0             0 syzkaller610764
[   34.239320] [ 3663]     0  3663     4375      522    36864        0             0 syzkaller610764
[   34.248350] [ 3664]     0  3664     4375      522    36864        0             0 syzkaller610764
[   34.257389] [ 3665]     0  3665     4375      522    36864        0             0 syzkaller610764
[   34.266430] Out of memory: Kill process 3371 (dhclient) score 0 or sacrifice child
[   34.274197] Killed process 3371 (dhclient) total-vm:9972kB, anon-rss:2288kB, file-rss:0kB, shmem-rss:0kB
[   34.287229] oom_reaper: reaped process 3371 (dhclient), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
[   34.305140] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
[   34.316818] rsyslogd cpuset=/ mems_allowed=0
[   34.321516] CPU: 0 PID: 3505 Comm: rsyslogd Not tainted 4.15.0-rc7-mm1+ #56
[   34.328681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.338014] Call Trace:
[   34.340579]  dump_stack+0x194/0x257
[   34.344188]  ? arch_local_irq_restore+0x53/0x53
[   34.348832]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   34.354003]  dump_header+0x28c/0xe2b
[   34.357700]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   34.362865]  ? pagefault_out_of_memory+0x145/0x145
[   34.367772]  ? print_irqtrace_events+0x270/0x270
[   34.372508]  ? avc_has_perm_noaudit+0x37e/0x520
[   34.377168]  ? check_noncircular+0x20/0x20
[   34.381384]  ? reacquire_held_locks+0x1f9/0x3e0
[   34.386022]  ? reacquire_held_locks+0x1f9/0x3e0
[   34.390664]  ? check_noncircular+0x20/0x20
[   34.394876]  ? task_will_free_mem+0x252/0xaa0
[   34.399338]  ? check_noncircular+0x20/0x20
[   34.403548]  ? print_irqtrace_events+0x270/0x270
[   34.408281]  ? ___ratelimit+0x30d/0x630
[   34.412227]  ? lock_downgrade+0x980/0x980
[   34.416356]  ? lock_release+0xa40/0xa40
[   34.420306]  ? mark_held_locks+0xaf/0x100
[   34.424430]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   34.429509]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   34.434497]  ? trace_hardirqs_on+0xd/0x10
[   34.438624]  ? ___ratelimit+0x95/0x630
[   34.442486]  ? idr_get_free_cmn+0xfd0/0xfd0
[   34.446786]  ? check_noncircular+0x20/0x20
[   34.451004]  oom_kill_process+0x81b/0x9f0
[   34.455127]  ? oom_badness+0xd1/0x980
[   34.458896]  ? lock_release+0xa40/0xa40
[   34.462845]  ? oom_kill_memcg_member+0x20/0x20
[   34.467404]  ? oom_evaluate_task+0x480/0x480
[   34.471798]  ? out_of_memory+0xe1c/0x1790
[   34.475919]  ? lock_downgrade+0x980/0x980
[   34.480040]  ? lock_release+0xa40/0xa40
[   34.483986]  ? find_next_bit+0xcc/0x100
[   34.487947]  ? oom_evaluate_task+0x284/0x480
[   34.492328]  out_of_memory+0x9d5/0x1790
[   34.496282]  ? oom_killer_disable+0x310/0x310
[   34.500752]  ? mutex_trylock+0x23a/0x2d0
[   34.504781]  ? __alloc_pages_slowpath+0xf63/0x2cc0
[   34.509681]  ? __lock_is_held+0xb6/0x140
[   34.513712]  ? __ww_mutex_wakeup_for_backoff+0x240/0x240
[   34.519148]  __alloc_pages_slowpath+0x1ce4/0x2cc0
[   34.523972]  ? trace_hardirqs_on+0xd/0x10
[   34.528114]  ? warn_alloc+0x2b0/0x2b0
[   34.531892]  ? lock_downgrade+0x980/0x980
[   34.536453]  ? radix_tree_lookup_slot+0x99/0xe0
[   34.541112]  ? find_get_entry+0x53c/0x9e0
[   34.545253]  ? __lock_acquire+0x664/0x3e00
[   34.549479]  ? __lock_is_held+0xb6/0x140
[   34.553527]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   34.559391]  ? __might_sleep+0x95/0x190
[   34.563343]  __alloc_pages_nodemask+0x9fb/0xd80
[   34.567998]  ? __alloc_pages_slowpath+0x2cc0/0x2cc0
[   34.572994]  ? add_to_page_cache_lru+0x510/0x510
[   34.577732]  ? check_noncircular+0x20/0x20
[   34.581939]  ? check_noncircular+0x20/0x20
[   34.586150]  ? radix_tree_next_chunk+0x5e8/0xdf0
[   34.590900]  alloc_pages_current+0xb6/0x1e0
[   34.595198]  __page_cache_alloc+0x334/0x500
[   34.599489]  ? rcu_read_lock_held+0xa9/0xc0
[   34.603781]  ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490
[   34.611123]  filemap_fault+0xf34/0x1ca0
[   34.615066]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   34.620234]  ? __lock_page_or_retry+0x4f0/0x4f0
[   34.624882]  ? filemap_map_pages+0x942/0x15d0
[   34.629360]  ? find_get_entries_tag+0xeb0/0xeb0
[   34.633999]  ? lock_downgrade+0x980/0x980
[   34.638559]  ? check_noncircular+0x20/0x20
[   34.642780]  ? find_held_lock+0x35/0x1d0
[   34.646816]  ? print_irqtrace_events+0x270/0x270
[   34.651541]  ? print_irqtrace_events+0x270/0x270
[   34.656265]  ? print_irqtrace_events+0x270/0x270
[   34.660996]  ? lock_downgrade+0x980/0x980
[   34.665143]  ? lock_acquire+0x1d5/0x580
[   34.669086]  ? lock_acquire+0x1d5/0x580
[   34.673032]  ? ext4_filemap_fault+0x7a/0xad
[   34.677325]  ? __lock_acquire+0x664/0x3e00
[   34.681533]  ? lock_release+0xa40/0xa40
[   34.685476]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   34.691336]  ? rcu_note_context_switch+0x710/0x710
[   34.696241]  ? __might_sleep+0x95/0x190
[   34.700190]  ? down_read+0x96/0x150
[   34.703785]  ? ext4_filemap_fault+0x7a/0xad
[   34.708077]  ? __down_interruptible+0x6b0/0x6b0
[   34.712729]  ext4_filemap_fault+0x82/0xad
[   34.716851]  __do_fault+0xeb/0x315
[   34.720359]  ? SyS_read+0xef/0x220
[   34.723870]  ? pte_offset_kernel+0xc7/0xc7
[   34.728075]  ? do_raw_spin_trylock+0x190/0x190
[   34.732640]  ? check_noncircular+0x20/0x20
[   34.736857]  __handle_mm_fault+0x1d8f/0x3ce0
[   34.741242]  ? __pmd_alloc+0x4e0/0x4e0
[   34.745144]  ? find_held_lock+0x35/0x1d0
[   34.749184]  ? handle_mm_fault+0x2a0/0x930
[   34.753392]  ? lock_downgrade+0x980/0x980
[   34.757534]  handle_mm_fault+0x38f/0x930
[   34.761561]  ? down_read_trylock+0xdb/0x170
[   34.765859]  ? __handle_mm_fault+0x3ce0/0x3ce0
[   34.770407]  ? vmacache_find+0x5f/0x280
[   34.774351]  ? vmacache_update+0xfe/0x130
[   34.778572]  ? find_vma+0x30/0x150
[   34.782087]  __do_page_fault+0x5c9/0xc90
[   34.786119]  ? vfs_copy_file_range+0x940/0x940
[   34.790678]  ? mm_fault_error+0x2c0/0x2c0
[   34.794811]  ? avc_policy_seqno+0x9/0x20
[   34.798861]  do_page_fault+0xee/0x720
[   34.802639]  ? __do_page_fault+0xc90/0xc90
[   34.806853]  ? fput+0xd2/0x140
[   34.810022]  ? SyS_read+0x184/0x220
[   34.813621]  ? retint_user+0x18/0x18
[   34.817305]  ? page_fault+0x36/0x60
[   34.820921]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   34.825739]  ? page_fault+0x36/0x60
[   34.829338]  page_fault+0x4c/0x60
[   34.832777] RIP: 0033:0x7f0caac58a30
[   34.836456] RSP: 002b:00007f0ca8889d68 EFLAGS: 00010206
[   34.841791] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000ff2
[   34.849033] RDX: 00007f0caa0be5a0 RSI: 000000000000003c RDI: 00007f0ca9ebc621
[   34.856273] RBP: 000000000000003c R08: 00007f0ca9ebc621 R09: 0000000000000000
[   34.863513] R10: 0000000000000011 R11: 0000000000000000 R12: 00000000000003e7
[   34.870753] R13: 0000000000000000 R14: 00007f0caa0be5a0 R15: 00007f0caa0bf5a0
[   34.878140] Mem-Info:
[   34.881253] active_anon:6078 inactive_anon:64 isolated_anon:0
[   34.881253]  active_file:21 inactive_file:23 isolated_file:0
[   34.881253]  unevictable:0 dirty:0 writeback:0 unstable:0
[   34.881253]  slab_reclaimable:7299 slab_unreclaimable:83003
[   34.881253]  mapped:2 shmem:70 pagetables:322 bounce:0
[   34.881253]  free:24232 free_pcp:135 free_cma:0
[   34.938619] Node 0 active_anon:24312kB inactive_anon:256kB active_file:80kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[   34.967527] 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
[   35.000125] lowmem_reserve[]: 0 2870 6381 6381
[   35.004762] Node 0 DMA32 free:43492kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:16kB unevictable:0kB writepending:0kB present:3129332kB managed:2942308kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[   35.032121] lowmem_reserve[]: 0 0 3510 3510
[   35.036483] Node 0 Normal free:36800kB min:37084kB low:46352kB high:55620kB active_anon:24284kB inactive_anon:252kB active_file:0kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3040kB pagetables:1252kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[   35.064975] lowmem_reserve[]: 0 0 0 0
[   35.068832] 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
[   35.082510] Node 0 DMA32: 7*4kB (UME) 7*8kB (UME) 5*16kB (UME) 6*32kB (UME) 4*64kB (UM) 5*128kB (ME) 5*256kB (ME) 4*512kB (ME) 4*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43492kB
[   35.098816] Node 0 Normal: 444*4kB (UME) 337*8kB (UME) 258*16kB (UME) 171*32kB (UM) 85*64kB (UME) 23*128kB (UM) 25*256kB (UM) 16*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37048kB
[   35.115919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[   35.124524] 94 total pagecache pages
[   35.128240] 0 pages in swap cache
[   35.131676] Swap cache stats: add 0, delete 0, find 0/0
[   35.137022] Free swap  = 0kB
[   35.140021] Total swap = 0kB
[   35.143021] 1965979 pages RAM
[   35.146109] 0 pages HighMem/MovableOnly
[   35.150071] 327769 pages reserved
[   35.153567] Unreclaimable slab info:
[   35.157310] Name                      Used          Total
[   35.162853] hashtab_node             118KB        119KB
[   35.168731] ebitmap_node             382KB        385KB
[   35.174081] avtab_node              1012KB       1017KB
[   35.179428] TIPC                       1KB          7KB
[   35.184774] SCTPv6                     2KB          4KB
[   35.190122] DCCPv6                     2KB          7KB
[   35.195466] DCCP                       2KB          6KB
[   35.200825] fib6_nodes                 0KB          4KB
[   35.206170] ip6_dst_cache              5KB          7KB
[   35.211527] RAWv6                      9KB         13KB
[   35.216870] UDPv6                     12KB         14KB
[   35.222218] TCPv6                      2KB          5KB
[   35.227589] sd_ext_cdb                 0KB          3KB
[   35.232939] scsi_sense_cache          79KB        136KB
[   35.238289] virtio_scsi_cmd           16KB         16KB
[   35.243646] sgpool-128                 8KB          8KB
[   35.248992] sgpool-64                  4KB          6KB
[   35.254346] sgpool-32                 63KB         63KB
[   35.259690] sgpool-16                 30KB         30KB
[   35.265046] sgpool-8                 172KB        172KB
[   35.270394] cfq_io_cq                 17KB         19KB
[   35.275742] cfq_queue                 29KB         30KB
[   35.281088] mqueue_inode_cache          1KB          7KB
[   35.286520] nfs_commit_data            3KB          7KB
[   35.291887] nfs_write_data            34KB         37KB
[   35.297238] jbd2_inode                 1KB          3KB
[   35.302584] ext4_system_zone           0KB          3KB
[   35.307936] bio-1                      1KB          3KB
[   35.313293] rpc_buffers               17KB         19KB
[   35.318639] rpc_tasks                  2KB          3KB
[   35.323984] UNIX                     780KB        780KB
[   35.329346] tcp_bind_bucket            0KB          4KB
[   35.334793] ip_fib_trie                0KB          3KB
[   35.340147] ip_fib_alias               0KB          3KB
[   35.345498] ip_dst_cache               3KB          4KB
[   35.350857] RAW                        5KB          7KB
[   35.356206] UDP                       29KB         39KB
[   35.361567] TCP                        7KB          7KB
[   35.366913] hugetlbfs_inode_cache          1KB          7KB
[   35.372604] eventpoll_pwq             10KB         11KB
[   35.377947] eventpoll_epi             18KB         23KB
[   35.383294] inotify_inode_mark          3KB          7KB
[   35.388727] request_queue             54KB        136KB
[   35.394076] blkdev_ioc                23KB         23KB
[   35.399431] bio-0                    273KB        273KB
[   35.404786] biovec-(1<<(21-12))        453KB        453KB
[   35.410314] biovec-64                102KB        102KB
[   35.415669] biovec-16                 15KB         15KB
[   35.421034] bio_integrity_payload          0KB          4KB
[   35.426730] khugepaged_mm_slot          0KB          3KB
[   35.432177] uid_cache                  0KB          3KB
[   35.437522] dmaengine-unmap-2          0KB          3KB
[   35.442878] audit_buffer               0KB          3KB
[   35.448224] skbuff_fclone_cache        135KB        138KB
[   35.453743] skbuff_head_cache       1620KB       1620KB
[   35.459091] configfs_dir_cache          0KB          4KB
[   35.464523] file_lock_cache          160KB        162KB
[   35.469870] file_lock_ctx              1KB          3KB
[   35.475220] fsnotify_mark_connector          2KB          3KB
[   35.481089] shmem_inode_cache       1045KB       1046KB
[   35.486444] task_delay_info          320KB        320KB
[   35.491792] sigqueue                 374KB        374KB
[   35.497224] kernfs_node_cache       2288KB       2295KB
[   35.502567] mnt_cache                 15KB         16KB
[   35.507917] filp                    8426KB       8842KB
[   35.513262] names_cache           110619KB     110657KB
[   35.518613] avc_node                  38KB         39KB
[   35.523960] selinux_file_security        429KB        488KB
[   35.529657] selinux_inode_security       1956KB       1956KB
[   35.535459] key_jar                    3KB          7KB
[   35.540829] nsproxy                    0KB          3KB
[   35.546193] vm_area_struct         18690KB      18690KB
[   35.551547] mm_struct               4525KB       4531KB
[   35.556892] fs_cache                 427KB        432KB
[   35.562593] files_cache             1597KB       1597KB
[   35.567939] signal_cache            2544KB       2544KB
[   35.573285] sighand_cache            231KB        339KB
[   35.578632] task_struct            10853KB      10853KB
[   35.583976] cred_jar                2359KB       2360KB
[   35.589326] anon_vma_chain          7835KB       7835KB
[   35.594668] anon_vma                 160KB        338KB
[   35.600027] pid                      221KB        228KB
[   35.605371] Acpi-Operand             106KB        170KB
[   35.610716] Acpi-ParseExt              0KB          3KB
[   35.616061] Acpi-Parse                 0KB          3KB
[   35.621417] Acpi-State                 0KB          7KB
[   35.626765] Acpi-Namespace            19KB         23KB
[   35.632112] numa_policy                0KB          3KB
[   35.637461] debug_objects_cache        531KB        531KB
[   35.643028] trace_event_file         145KB        147KB
[   35.648392] ftrace_event_field        257KB        259KB
[   35.653830] pool_workqueue            24KB         28KB
[   35.659184] page->ptl               3105KB       3107KB
[   35.664541] kmalloc-262144          1032KB       1032KB
[   35.669889] kmalloc-131072           650KB        650KB
[   35.675233] kmalloc-65536            264KB        264KB
[   35.680592] kmalloc-32768            825KB        825KB
[   35.685937] kmalloc-16384            181KB        181KB
[   35.691280] kmalloc-8192             519KB        519KB
[   35.696635] kmalloc-4096            6672KB       6710KB
[   35.701989] kmalloc-2048            4494KB       4494KB
[   35.707337] kmalloc-1024            2858KB       2858KB
[   35.712684] kmalloc-512             2782KB       2782KB
[   35.718859] kmalloc-256             1978KB       2452KB
[   35.724206] kmalloc-128              410KB        507KB
[   35.729550] kmalloc-96              2052KB       2052KB
[   35.734906] kmalloc-64              2468KB       2468KB
[   35.740262] kmalloc-32              2401KB       2401KB
[   35.745753] kmalloc-192              912KB        912KB
[   35.751114] kmem_cache               100KB        105KB
[   35.756481] [ pid ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
[   35.765165] [ 1823]     0  1823     5385      182    86016        0         -1000 udevd
[   35.773412] [ 3502]     0  3502    14265      108   126976        0             0 rsyslogd
[   35.781842] [ 3557]     0  3557     4725       50    81920        0             0 cron
[   35.789911] [ 3560]     0  3560     3736       44    69632        0             0 mcstransd
[   35.798418] [ 3586]     0  3586    12490      152   135168        0         -1000 sshd
[   35.806493] [ 3627]     0  3627     3694       40    73728        0             0 getty
[   35.814665] [ 3628]     0  3628     3694       41    77824        0             0 getty
[   35.822834] [ 3629]     0  3629     3694       41    73728        0             0 getty
[   35.830995] [ 3630]     0  3630     3694       40    77824        0             0 getty
[   35.839155] [ 3631]     0  3631     3694       41    77824        0             0 getty
[   35.847315] [ 3632]     0  3632     3694       39    77824        0             0 getty
[   35.855476] [ 3633]     0  3633     3649       40    77824        0             0 getty
[   35.863640] [ 3638]     0  3638     5681      455    86016        0         -1000 udevd
[   35.871809] [ 3639]     0  3639     5681      455    86016        0         -1000 udevd
[   35.879980] [ 3655]     0  3655    17821      198   188416        0             0 sshd
[   35.888056] [ 3657]     0  3657      280        1    32768        0             0 syzkaller610764
[   35.897091] [ 3658]     0  3658     4375      522    36864        0             0 syzkaller610764
[   35.906124] [ 3659]     0  3659     4375      522    36864        0             0 syzkaller610764
[   35.915155] [ 3660]     0  3660     4375      522    36864        0             0 syzkaller610764
[   35.924356] [ 3661]     0  3661     4375      522    36864        0             0 syzkaller610764
[   35.933389] [ 3662]     0  3662     4375      522    36864        0             0 syzkaller610764
[   35.942440] [ 3663]     0  3663     4375      522    36864        0             0 syzkaller610764
[   35.951484] [ 3664]     0  3664     4375      522    36864        0             0 syzkaller610764
[   35.960523] [ 3665]     0  3665     4375      522    36864        0             0 syzkaller610764
[   35.969563] Out of memory: Kill process 3658 (syzkaller610764) score 0 or sacrifice child
[   35.978153] Killed process 3658 (syzkaller610764) total-vm:17500kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB
[   35.990928] oom_reaper: reaped process 3658 (syzkaller610764), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
[   36.155097] syzkaller610764 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0
[   36.187690] syzkaller610764 cpuset=/ mems_allowed=0
[   36.192806] CPU: 1 PID: 3663 Comm: syzkaller610764 Not tainted 4.15.0-rc7-mm1+ #56
[   36.200498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   36.209833] Call Trace:
[   36.212407]  dump_stack+0x194/0x257
[   36.216027]  ? arch_local_irq_restore+0x53/0x53
[   36.220685]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   36.225873]  dump_header+0x28c/0xe2b
[   36.229588]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   36.234767]  ? pagefault_out_of_memory+0x145/0x145
[   36.240297]  ? print_irqtrace_events+0x270/0x270
[   36.245046]  ? avc_has_perm_noaudit+0x37e/0x520
[   36.249703]  ? check_noncircular+0x20/0x20
[   36.253921]  ? check_noncircular+0x20/0x20
[   36.258140]  ? print_irqtrace_events+0x270/0x270
[   36.262887]  ? reacquire_held_locks+0x1f9/0x3e0
[   36.267536]  ? reacquire_held_locks+0x1f9/0x3e0
[   36.272190]  ? check_noncircular+0x20/0x20
[   36.276413]  ? task_will_free_mem+0x252/0xaa0
[   36.280891]  ? check_noncircular+0x20/0x20
[   36.285118]  ? print_irqtrace_events+0x270/0x270
[   36.289867]  ? ___ratelimit+0x30d/0x630
[   36.293825]  ? lock_downgrade+0x980/0x980
[   36.297960]  ? lock_release+0xa40/0xa40
[   36.301924]  ? mark_held_locks+0xaf/0x100
[   36.306058]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   36.311145]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   36.316146]  ? trace_hardirqs_on+0xd/0x10
[   36.320285]  ? ___ratelimit+0x95/0x630
[   36.324157]  ? idr_get_free_cmn+0xfd0/0xfd0
[   36.328464]  ? check_noncircular+0x20/0x20
[   36.332684]  oom_kill_process+0x81b/0x9f0
[   36.336815]  ? oom_badness+0xd1/0x980
[   36.340599]  ? lock_release+0xa40/0xa40
[   36.344563]  ? oom_kill_memcg_member+0x20/0x20
[   36.349137]  ? oom_evaluate_task+0x480/0x480
[   36.353543]  ? out_of_memory+0xe1c/0x1790
[   36.357672]  ? lock_downgrade+0x980/0x980
[   36.361807]  ? lock_release+0xa40/0xa40
[   36.365762]  ? find_next_bit+0xcc/0x100
[   36.369737]  ? oom_evaluate_task+0x284/0x480
[   36.374132]  out_of_memory+0x9d5/0x1790
[   36.378112]  ? oom_killer_disable+0x310/0x310
[   36.382599]  ? mutex_trylock+0x23a/0x2d0
[   36.386640]  ? __alloc_pages_slowpath+0xf63/0x2cc0
[   36.391554]  ? __lock_is_held+0xb6/0x140
[   36.395596]  ? __ww_mutex_wakeup_for_backoff+0x240/0x240
[   36.401046]  __alloc_pages_slowpath+0x1ce4/0x2cc0
[   36.405934]  ? warn_alloc+0x2b0/0x2b0
[   36.409723]  ? lock_release+0xa40/0xa40
[   36.413692]  ? print_irqtrace_events+0x270/0x270
[   36.418448]  ? mutex_spin_on_owner+0x446/0xb50
[   36.423026]  ? __lock_acquire+0x664/0x3e00
[   36.427247]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   36.433120]  ? lock_release+0xa40/0xa40
[   36.437115]  ? __lock_is_held+0xb6/0x140
[   36.441182]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   36.447056]  ? find_held_lock+0x35/0x1d0
[   36.451119]  ? __might_sleep+0x95/0x190
[   36.455087]  __alloc_pages_nodemask+0x9fb/0xd80
[   36.459750]  ? __alloc_pages_slowpath+0x2cc0/0x2cc0
[   36.464759]  ? pcpu_chunk_refresh_hint+0x425/0x570
[   36.469676]  ? print_irqtrace_events+0x270/0x270
[   36.474429]  ? __lock_is_held+0xb6/0x140
[   36.478483]  ? find_next_bit+0xcc/0x100
[   36.482451]  pcpu_populate_chunk+0x1b3/0x880
[   36.486842]  ? find_next_bit+0x7/0x100
[   36.490726]  pcpu_alloc+0x978/0x10e0
[   36.494444]  ? pcpu_free_area+0xa00/0xa00
[   36.498571]  ? __pte_alloc_kernel+0x1bd/0x2a0
[   36.503051]  ? vmap_page_range_noflush+0x523/0x720
[   36.507996]  ? map_vm_area+0x9e/0xd0
[   36.511699]  ? __vmalloc_node_range+0x37a/0x650
[   36.516364]  ? array_map_alloc+0x354/0x990
[   36.520583]  ? __vmalloc_node_flags_caller+0x50/0x60
[   36.525681]  __alloc_percpu_gfp+0x27/0x30
[   36.529819]  array_map_alloc+0x794/0x990
[   36.533880]  SyS_bpf+0x7f8/0x4400
[   36.537323]  ? perf_event_mmap+0x115/0x12a0
[   36.541636]  ? bpf_prog_get+0x20/0x20
[   36.545424]  ? perf_event_fork+0x30/0x30
[   36.549482]  ? __lock_is_held+0xb6/0x140
[   36.553530]  ? check_noncircular+0x20/0x20
[   36.557747]  ? vma_wants_writenotify+0x51/0x3b0
[   36.562404]  ? __handle_mm_fault+0x80e/0x3ce0
[   36.566878]  ? check_noncircular+0x20/0x20
[   36.571085]  ? __pmd_alloc+0x4e0/0x4e0
[   36.574951]  ? vma_link+0xe9/0x170
[   36.578483]  ? find_held_lock+0x35/0x1d0
[   36.582542]  ? handle_mm_fault+0x2a0/0x930
[   36.586765]  ? find_held_lock+0x35/0x1d0
[   36.590824]  ? __do_page_fault+0x5f7/0xc90
[   36.595044]  ? lock_downgrade+0x980/0x980
[   36.599191]  ? handle_mm_fault+0x476/0x930
[   36.603405]  ? down_read_trylock+0xdb/0x170
[   36.607715]  ? __handle_mm_fault+0x3ce0/0x3ce0
[   36.612272]  ? vmacache_find+0x5f/0x280
[   36.616229]  ? vmacache_update+0xfe/0x130
[   36.620373]  ? up_read+0x1a/0x40
[   36.623726]  ? __do_page_fault+0x3d6/0xc90
[   36.627963]  ? mm_fault_error+0x2c0/0x2c0
[   36.632110]  ? do_page_fault+0xee/0x720
[   36.636068]  ? __do_page_fault+0xc90/0xc90
[   36.640301]  ? SyS_mmap_pgoff+0x243/0x5f0
[   36.644452]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   36.649204]  entry_SYSCALL_64_fastpath+0x29/0xa0
[   36.653940] RIP: 0033:0x440139
[   36.657113] RSP: 002b:00007fff19894578 EFLAGS: 00000217 ORIG_RAX: 0000000000000141
[   36.664803] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139
[   36.672053] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000
[   36.679302] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000
[   36.686547] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0
[   36.693788] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000
[   36.701113] Mem-Info:
[   36.704311] active_anon:5561 inactive_anon:64 isolated_anon:0
[   36.704311]  active_file:34 inactive_file:15 isolated_file:0
[   36.704311]  unevictable:0 dirty:0 writeback:0 unstable:0
[   36.704311]  slab_reclaimable:7307 slab_unreclaimable:82645
[   36.704311]  mapped:6 shmem:70 pagetables:312 bounce:0
[   36.704311]  free:24044 free_pcp:7 free_cma:0
[   36.736284] Node 0 active_anon:22244kB inactive_anon:256kB active_file:136kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:24kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[   36.763365] 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
[   36.789552] lowmem_reserve[]: 0 2870 6381 6381
[   36.794176] Node 0 DMA32 free:43492kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942308kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[   36.821448] lowmem_reserve[]: 0 0 3510 3510
[   36.825802] Node 0 Normal free:37024kB min:37084kB low:46352kB high:55620kB active_anon:22216kB inactive_anon:252kB active_file:68kB inactive_file:308kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3040kB pagetables:1248kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[   36.855168] lowmem_reserve[]: 0 0 0 0
[   36.859045] 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
[   36.872728] Node 0 DMA32: 7*4kB (UME) 7*8kB (UME) 5*16kB (UME) 6*32kB (UME) 4*64kB (UM) 5*128kB (ME) 5*256kB (ME) 4*512kB (ME) 4*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43492kB
[   36.888961] Node 0 Normal: 412*4kB (UM) 329*8kB (UM) 255*16kB (UME) 167*32kB (UME) 84*64kB (ME) 24*128kB (ME) 26*256kB (UME) 15*512kB (ME) 1*1024kB (E) 0*2048kB 0*4096kB = 37512kB
[   36.905237] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[   36.913814] 126 total pagecache pages
[   36.917621] 0 pages in swap cache
[   36.921104] Swap cache stats: add 0, delete 0, find 0/0
[   36.927928] Free swap  = 0kB
[   36.932331] Total swap = 0kB
[   36.935344] 1965979 pages RAM
[   36.938435] 0 pages HighMem/MovableOnly
[   36.942389] 327769 pages reserved
[   36.945843] Unreclaimable slab info:
[   36.949545] Name                      Used          Total
[   36.955063] hashtab_node             118KB        119KB
[   36.960405] ebitmap_node             382KB        385KB
[   36.965755] avtab_node              1012KB       1017KB
[   36.971105] TIPC                       1KB          7KB
[   36.976450] SCTPv6                     2KB          4KB
[   36.981799] DCCPv6                     2KB          7KB
[   36.987142] DCCP                       2KB          6KB
[   36.992498] fib6_nodes                 0KB          4KB
[   36.997840] ip6_dst_cache              5KB          7KB
[   37.003197] RAWv6                      9KB         13KB
[   37.008547] UDPv6                     12KB         14KB
[   37.013900] TCPv6                      2KB          5KB
[   37.019262] sd_ext_cdb                 0KB          3KB
[   37.024614] scsi_sense_cache         101KB        136KB
[   37.029966] virtio_scsi_cmd           16KB         16KB
[   37.035342] sgpool-128                 8KB          8KB
[   37.046529] sgpool-64                  4KB          6KB
[   37.053749] sgpool-32                 94KB         94KB
[   37.064982] sgpool-16                 33KB         33KB
[   37.070373] sgpool-8                 187KB        187KB
[   37.083120] cfq_io_cq                 17KB         19KB
[   37.088500] cfq_queue                 29KB         30KB
[   37.093871] mqueue_inode_cache          1KB          7KB
[   37.099331] nfs_commit_data            3KB          7KB
[   37.104712] nfs_write_data            34KB         37KB
[   37.110084] jbd2_inode                 1KB          3KB
[   37.115454] ext4_system_zone           0KB          3KB
[   37.120834] bio-1                      1KB          3KB
[   37.126216] rpc_buffers               17KB         19KB
[   37.131609] rpc_tasks                  2KB          3KB
[   37.136980] UNIX                     780KB        780KB
[   37.142359] tcp_bind_bucket            0KB          4KB
[   37.147744] ip_fib_trie                0KB          3KB
[   37.153117] ip_fib_alias               0KB          3KB
[   37.158486] ip_dst_cache               3KB          4KB
[   37.163865] RAW                        5KB          7KB
[   37.169237] UDP                       29KB         39KB
[   37.174607] TCP                        7KB          7KB
[   37.179980] hugetlbfs_inode_cache          1KB          7KB
[   37.185706] eventpoll_pwq             10KB         11KB
[   37.193581] eventpoll_epi             18KB         23KB
[   37.207343] inotify_inode_mark          3KB          7KB
[   37.212794] request_queue             54KB        136KB
[   37.218142] blkdev_ioc                23KB         23KB
[   37.223489] bio-0                    307KB        307KB
[   37.228835] biovec-(1<<(21-12))        453KB        453KB
[   37.234354] biovec-64                141KB        141KB
[   37.239712] biovec-16                 22KB         22KB
[   37.245061] bio_integrity_payload          0KB          4KB
[   37.250761] khugepaged_mm_slot          0KB          3KB
[   37.256200] uid_cache                  0KB          3KB
[   37.261546] dmaengine-unmap-2          0KB          3KB
[   37.266900] audit_buffer               0KB          3KB
[   37.272244] skbuff_fclone_cache        135KB        138KB
[   37.277761] skbuff_head_cache       1620KB       1620KB
[   37.283124] configfs_dir_cache          0KB          4KB
[   37.288563] file_lock_cache          160KB        162KB
[   37.293912] file_lock_ctx              1KB          3KB
[   37.299254] fsnotify_mark_connector          2KB          3KB
[   37.305120] shmem_inode_cache       1045KB       1046KB
[   37.310466] task_delay_info          320KB        320KB
[   37.322134] sigqueue                 374KB        374KB
[   37.327516] kernfs_node_cache       2288KB       2295KB
[   37.333288] mnt_cache                 15KB         16KB
[   37.345111] filp                    8358KB       8786KB
[   37.350495] names_cache           109990KB     110028KB
[   37.355870] avc_node                  38KB         39KB
[   37.361240] selinux_file_security        427KB        488KB
[   37.366960] selinux_inode_security       1956KB       1956KB
[   37.372767] key_jar                    3KB          7KB
[   37.378140] nsproxy                    0KB          3KB
[   37.383511] vm_area_struct         18690KB      18690KB
[   37.388878] mm_struct               4525KB       4531KB
[   37.394248] fs_cache                 427KB        432KB
[   37.399621] files_cache             1597KB       1597KB
[   37.404992] signal_cache            2544KB       2544KB
[   37.410361] sighand_cache            231KB        339KB
[   37.415727] task_struct            10853KB      10853KB
[   37.421096] cred_jar                2359KB       2360KB
[   37.426465] anon_vma_chain          7835KB       7835KB
[   37.431836] anon_vma                 160KB        338KB
[   37.437204] pid                      221KB        228KB
[   37.442575] Acpi-Operand             106KB        170KB
[   37.447950] Acpi-ParseExt              0KB          3KB
[   37.453322] Acpi-Parse                 0KB          3KB
[   37.458698] Acpi-State                 0KB          7KB
[   37.464067] Acpi-Namespace            19KB         23KB
[   37.469437] numa_policy                0KB          3KB
[   37.474809] debug_objects_cache        531KB        531KB
[   37.480353] trace_event_file         145KB        147KB
[   37.485725] ftrace_event_field        257KB        259KB
[   37.491185] pool_workqueue            24KB         28KB
[   37.496555] page->ptl               3105KB       3107KB
[   37.501949] kmalloc-262144          1032KB       1032KB
[   37.507318] kmalloc-131072           650KB        650KB
[   37.512691] kmalloc-65536            264KB        264KB
[   37.518061] kmalloc-32768            825KB        825KB
[   37.523438] kmalloc-16384            181KB        181KB
[   37.528807] kmalloc-8192             519KB        519KB
[   37.534203] kmalloc-4096            6400KB       6438KB
[   37.539575] kmalloc-2048            4704KB       4704KB
[   37.544952] kmalloc-1024            2858KB       2858KB
[   37.550325] kmalloc-512             2782KB       2782KB
[   37.555700] kmalloc-256             1961KB       2448KB
[   37.561068] kmalloc-128              410KB        507KB
[   37.566434] kmalloc-96              2060KB       2060KB
[   37.571807] kmalloc-64              2468KB       2468KB
[   37.577193] kmalloc-32              2401KB       2401KB
[   37.582563] kmalloc-192              912KB        912KB
[   37.587932] kmem_cache               100KB        105KB
[   37.593300] [ pid ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
[   37.601910] [ 1823]     0  1823     5385      182    86016        0         -1000 udevd
[   37.610068] [ 3502]     0  3502    14265      164   126976        0             0 rsyslogd
[   37.618482] [ 3557]     0  3557     4725       50    81920        0             0 cron
[   37.626553] [ 3560]     0  3560     3736       44    69632        0             0 mcstransd
[   37.635062] [ 3586]     0  3586    12490      152   135168        0         -1000 sshd
[   37.643137] [ 3627]     0  3627     3694       40    73728        0             0 getty
[   37.651304] [ 3628]     0  3628     3694       41    77824        0             0 getty
[   37.659468] [ 3629]     0  3629     3694       41    73728        0             0 getty
[   37.667630] [ 3630]     0  3630     3694       40    77824        0             0 getty
[   37.675795] [ 3631]     0  3631     3694       41    77824        0             0 getty
[   37.683956] [ 3632]     0  3632     3694       39    77824        0             0 getty
[   37.692119] [ 3633]     0  3633     3649       40    77824        0             0 getty
[   37.700280] [ 3638]     0  3638     5681      455    86016        0         -1000 udevd
[   37.708456] [ 3639]     0  3639     5681      455    86016        0         -1000 udevd
[   37.717856] [ 3655]     0  3655    17821      198   188416        0             0 sshd
[   37.725935] [ 3657]     0  3657      280        1    32768        0             0 syzkaller610764
[   37.735044] [ 3658]     0  3658     4375        0    32768        0             0 syzkaller610764
[   37.744094] [ 3659]     0  3659     4375      522    36864        0             0 syzkaller610764
[   37.753132] [ 3660]     0  3660     4375      522    36864        0             0 syzkaller610764
[   37.762164] [ 3661]     0  3661     4375      522    36864        0             0 syzkaller610764
[   37.771196] [ 3662]     0  3662     4375      522    36864        0             0 syzkaller610764
[   37.780233] [ 3663]     0  3663     4375      522    36864        0             0 syzkaller610764
[   37.789262] [ 3664]     0  3664     4375      522    36864        0             0 syzkaller610764
[   37.798274] [ 3665]     0  3665     4375      522    36864        0             0 syzkaller610764
[   37.807295] Out of memory: Kill process 3659 (syzkaller610764) score 0 or sacrifice child
[   37.815667] Killed process 3659 (syzkaller610764) total-vm:17500kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB
[   37.828629] oom_reaper: reaped process 3659 (syzkaller610764), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
[   37.858466] syzkaller610764 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0
[   37.870831] syzkaller610764 cpuset=/ mems_allowed=0
[   37.875872] CPU: 0 PID: 3665 Comm: syzkaller610764 Not tainted 4.15.0-rc7-mm1+ #56
[   37.883551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   37.892876] Call Trace:
[   37.895454]  dump_stack+0x194/0x257
[   37.899067]  ? arch_local_irq_restore+0x53/0x53
[   37.903720]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   37.908909]  dump_header+0x28c/0xe2b
[   37.912621]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   37.917803]  ? pagefault_out_of_memory+0x145/0x145
[   37.922730]  ? print_irqtrace_events+0x270/0x270
[   37.927481]  ? avc_has_perm_noaudit+0x37e/0x520
[   37.932133]  ? check_noncircular+0x20/0x20
[   37.936352]  ? check_noncircular+0x20/0x20
[   37.940563]  ? print_irqtrace_events+0x270/0x270
[   37.945303]  ? reacquire_held_locks+0x1f9/0x3e0
[   37.949951]  ? reacquire_held_locks+0x1f9/0x3e0
[   37.954605]  ? check_noncircular+0x20/0x20
[   37.958822]  ? task_will_free_mem+0x252/0xaa0
[   37.963295]  ? check_noncircular+0x20/0x20
[   37.967522]  ? print_irqtrace_events+0x270/0x270
[   37.972273]  ? ___ratelimit+0x30d/0x630
[   37.976232]  ? lock_downgrade+0x980/0x980
[   37.980366]  ? lock_release+0xa40/0xa40
[   37.984331]  ? mark_held_locks+0xaf/0x100
[   37.988467]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   37.993556]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   37.998557]  ? trace_hardirqs_on+0xd/0x10
[   38.002691]  ? ___ratelimit+0x95/0x630
[   38.006564]  ? idr_get_free_cmn+0xfd0/0xfd0
[   38.010869]  ? check_noncircular+0x20/0x20
[   38.015100]  oom_kill_process+0x81b/0x9f0
[   38.019230]  ? oom_badness+0xd1/0x980
[   38.023010]  ? lock_release+0xa40/0xa40
[   38.026976]  ? oom_kill_memcg_member+0x20/0x20
[   38.031551]  ? oom_evaluate_task+0x480/0x480
[   38.036214]  ? out_of_memory+0xe1c/0x1790
[   38.040348]  ? lock_downgrade+0x980/0x980
[   38.044482]  ? lock_release+0xa40/0xa40
[   38.048458]  ? oom_evaluate_task+0x284/0x480
[   38.052852]  out_of_memory+0x9d5/0x1790
[   38.056820]  ? oom_killer_disable+0x310/0x310
[   38.061306]  ? mutex_trylock+0x23a/0x2d0
[   38.065349]  ? __alloc_pages_slowpath+0xf63/0x2cc0
[   38.070266]  ? __ww_mutex_wakeup_for_backoff+0x240/0x240
[   38.075696]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   38.081582]  __alloc_pages_slowpath+0x1ce4/0x2cc0
[   38.086428]  ? lock_downgrade+0x980/0x980
[   38.090589]  ? warn_alloc+0x2b0/0x2b0
[   38.094378]  ? trace_hardirqs_off+0xd/0x10
[   38.098590]  ? print_irqtrace_events+0x270/0x270
[   38.103348]  ? lock_acquire+0x1d5/0x580
[   38.107303]  ? lock_acquire+0x1d5/0x580
[   38.111266]  ? __lock_acquire+0x664/0x3e00
[   38.115488]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   38.121353]  ? lock_release+0xa40/0xa40
[   38.125376]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   38.131264]  ? __might_sleep+0x95/0x190
[   38.135229]  __alloc_pages_nodemask+0x9fb/0xd80
[   38.139879]  ? lock_release+0xa40/0xa40
[   38.143845]  ? __alloc_pages_slowpath+0x2cc0/0x2cc0
[   38.148859]  ? pcpu_chunk_refresh_hint+0x425/0x570
[   38.153785]  ? print_irqtrace_events+0x270/0x270
[   38.158535]  ? __lock_is_held+0xb6/0x140
[   38.162589]  ? find_next_bit+0xcc/0x100
[   38.166566]  pcpu_populate_chunk+0x1b3/0x880
[   38.170967]  ? find_next_bit+0x7/0x100
[   38.174857]  pcpu_alloc+0x978/0x10e0
[   38.178578]  ? pcpu_free_area+0xa00/0xa00
[   38.182715]  ? vmap_page_range_noflush+0x523/0x720
[   38.187662]  ? map_vm_area+0x9e/0xd0
[   38.191367]  ? __vmalloc_node_range+0x37a/0x650
[   38.196029]  ? array_map_alloc+0x354/0x990
[   38.200246]  ? __vmalloc_node_flags_caller+0x50/0x60
[   38.205343]  __alloc_percpu_gfp+0x27/0x30
[   38.209477]  array_map_alloc+0x794/0x990
[   38.213539]  SyS_bpf+0x7f8/0x4400
[   38.216975]  ? perf_event_mmap+0x115/0x12a0
[   38.221282]  ? bpf_prog_get+0x20/0x20
[   38.225072]  ? perf_event_fork+0x30/0x30
[   38.229134]  ? __lock_is_held+0xb6/0x140
[   38.233182]  ? check_noncircular+0x20/0x20
[   38.237402]  ? vma_wants_writenotify+0x51/0x3b0
[   38.242060]  ? __handle_mm_fault+0x80e/0x3ce0
[   38.246570]  ? check_noncircular+0x20/0x20
[   38.250783]  ? __pmd_alloc+0x4e0/0x4e0
[   38.254648]  ? vma_link+0xe9/0x170
[   38.258187]  ? find_held_lock+0x35/0x1d0
[   38.262245]  ? handle_mm_fault+0x2a0/0x930
[   38.266475]  ? find_held_lock+0x35/0x1d0
[   38.270534]  ? __do_page_fault+0x5f7/0xc90
[   38.274755]  ? lock_downgrade+0x980/0x980
[   38.278917]  ? handle_mm_fault+0x476/0x930
[   38.283138]  ? down_read_trylock+0xdb/0x170
[   38.287444]  ? __handle_mm_fault+0x3ce0/0x3ce0
[   38.292014]  ? vmacache_find+0x5f/0x280
[   38.296013]  ? vmacache_update+0xfe/0x130
[   38.300153]  ? up_read+0x1a/0x40
[   38.303505]  ? __do_page_fault+0x3d6/0xc90
[   38.307736]  ? mm_fault_error+0x2c0/0x2c0
[   38.311903]  ? do_page_fault+0xee/0x720
[   38.315863]  ? __do_page_fault+0xc90/0xc90
[   38.320094]  ? SyS_mmap_pgoff+0x243/0x5f0
[   38.324244]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   38.328996]  entry_SYSCALL_64_fastpath+0x29/0xa0
[   38.333738] RIP: 0033:0x440139
[   38.336910] RSP: 002b:00007fff19894578 EFLAGS: 00000217 ORIG_RAX: 0000000000000141
[   38.344602] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139
[   38.351851] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000
[   38.359099] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000
[   38.366351] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0
[   38.373611] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000
[   38.380939] Mem-Info:
[   38.383369] active_anon:5044 inactive_anon:64 isolated_anon:0
[   38.383369]  active_file:22 inactive_file:12 isolated_file:0
[   38.383369]  unevictable:0 dirty:0 writeback:0 unstable:0
[   38.383369]  slab_reclaimable:7310 slab_unreclaimable:82644
[   38.383369]  mapped:22 shmem:70 pagetables:311 bounce:0
[   38.383369]  free:24112 free_pcp:0 free_cma:0
[   38.415411] Node 0 active_anon:20176kB inactive_anon:256kB active_file:84kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[   38.442400] 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
[   38.468724] lowmem_reserve[]: 0 2870 6381 6381
[   38.473338] Node 0 DMA32 free:43492kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:32kB unevictable:0kB writepending:0kB present:3129332kB managed:2942308kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[   38.500696] lowmem_reserve[]: 0 0 3510 3510
[   38.505055] Node 0 Normal free:37048kB min:37084kB low:46352kB high:55620kB active_anon:20148kB inactive_anon:252kB active_file:108kB inactive_file:352kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3040kB pagetables:1244kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[   38.533727] lowmem_reserve[]: 0 0 0 0
[   38.537561] 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
[   38.551203] Node 0 DMA32: 7*4kB (UME) 7*8kB (UME) 5*16kB (UME) 6*32kB (UME) 4*64kB (UM) 5*128kB (ME) 5*256kB (ME) 4*512kB (ME) 4*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43492kB
[   38.567379] Node 0 Normal: 414*4kB (UME) 329*8kB (UME) 250*16kB (UME) 166*32kB (ME) 84*64kB (ME) 25*128kB (UME) 26*256kB (UME) 15*512kB (ME) 1*1024kB (E) 0*2048kB 0*4096kB = 37536kB
[   38.583810] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[   38.592396] 125 total pagecache pages
[   38.596204] 0 pages in swap cache
[   38.599672] Swap cache stats: add 0, delete 0, find 0/0
[   38.605038] Free swap  = 0kB
[   38.608059] Total swap = 0kB
[   38.611078] 1965979 pages RAM
[   38.614187] 0 pages HighMem/MovableOnly
[   38.618161] 327769 pages reserved
[   38.621620] Unreclaimable slab info:
[   38.625341] Name                      Used          Total
[   38.630890] hashtab_node             118KB        119KB
[   38.636259] ebitmap_node             382KB        385KB
[   38.641629] avtab_node              1012KB       1017KB
[   38.647006] TIPC                       1KB          7KB
[   38.652403] SCTPv6                     2KB          4KB
[   38.657776] DCCPv6                     2KB          7KB
[   38.663179] DCCP                       2KB          6KB
[   38.675177] fib6_nodes                 0KB          4KB
[   38.687144] ip6_dst_cache              5KB          7KB
[   38.692530] RAWv6                      9KB         13KB
[   38.697904] UDPv6                     12KB         14KB
[   38.703282] TCPv6                      2KB          5KB
[   38.708754] sd_ext_cdb                 0KB          3KB
[   38.714123] scsi_sense_cache         101KB        136KB
[   38.719587] virtio_scsi_cmd           16KB         16KB
[   38.724962] sgpool-128                 8KB          8KB
[   38.730348] sgpool-64                  4KB          6KB
[   38.735720] sgpool-32                102KB        102KB
[   38.741091] sgpool-16                 37KB         37KB
[   38.746458] sgpool-8                 187KB        187KB
[   38.751904] cfq_io_cq                 17KB         19KB
[   38.757407] cfq_queue                 29KB         30KB
[   38.762920] mqueue_inode_cache          1KB          7KB
[   38.768522] nfs_commit_data            3KB          7KB
[   38.774080] nfs_write_data            34KB         37KB
[   38.779604] jbd2_inode                 1KB          3KB
[   38.785150] ext4_system_zone           0KB          3KB
[   38.790662] bio-1                      1KB          3KB
[   38.796171] rpc_buffers               17KB         19KB
[   38.801664] rpc_tasks                  2KB          3KB
[   38.807168] UNIX                     780KB        780KB
[   38.812724] tcp_bind_bucket            0KB          4KB
[   38.818156] ip_fib_trie                0KB          3KB
[   38.823536] ip_fib_alias               0KB          3KB
[   38.829007] ip_dst_cache               3KB          4KB
[   38.834656] RAW                        5KB          7KB
[   38.840251] UDP                       29KB         39KB
[   38.845680] TCP                        7KB          7KB
[   38.851159] hugetlbfs_inode_cache          1KB          7KB
[   38.857078] eventpoll_pwq             10KB         11KB
[   38.862494] eventpoll_epi             18KB         23KB
[   38.867876] inotify_inode_mark          3KB          7KB
[   38.873335] request_queue             42KB        114KB
[   38.878707] blkdev_ioc                23KB         23KB
[   38.884205] bio-0                    322KB        322KB
[   38.889718] biovec-(1<<(21-12))        453KB        453KB
[   38.895273] biovec-64                149KB        149KB
[   38.900659] biovec-16                 22KB         22KB
[   38.906033] bio_integrity_payload          0KB          4KB
[   38.911747] khugepaged_mm_slot          0KB          3KB
[   38.917340] uid_cache                  0KB          3KB
[   38.922852] dmaengine-unmap-2          0KB          3KB
[   38.928397] audit_buffer               0KB          3KB
[   38.933769] skbuff_fclone_cache        135KB        138KB
[   38.939433] skbuff_head_cache       1619KB       1620KB
[   38.944816] configfs_dir_cache          0KB          4KB
[   38.950289] file_lock_cache          160KB        162KB
[   38.955659] file_lock_ctx              1KB          3KB
[   38.961043] fsnotify_mark_connector          2KB          3KB
[   38.966935] shmem_inode_cache       1045KB       1046KB
[   38.972305] task_delay_info          318KB        320KB
[   38.977665] sigqueue                 373KB        374KB
[   38.983111] kernfs_node_cache       2288KB       2295KB
[   38.988482] mnt_cache                 15KB         16KB
[   38.993853] filp                    8345KB       8767KB
[   38.999226] names_cache           109981KB     110011KB
[   39.004599] avc_node                  37KB         39KB
[   39.009965] selinux_file_security        423KB        488KB
[   39.015676] selinux_inode_security       1955KB       1956KB
[   39.021479] key_jar                    3KB          7KB
[   39.026836] nsproxy                    0KB          3KB
[   39.032199] vm_area_struct         18684KB      18690KB
[   39.037574] mm_struct               4521KB       4531KB
[   39.042927] fs_cache                 425KB        432KB
[   39.048292] files_cache             1594KB       1597KB
[   39.053674] signal_cache            2541KB       2544KB
[   39.059187] sighand_cache            219KB        333KB
[   39.064718] task_struct            10841KB      10853KB
[   39.070100] cred_jar                2357KB       2360KB
[   39.075655] anon_vma_chain          7831KB       7835KB
[   39.081165] anon_vma                 149KB        338KB
[   39.086548] pid                      221KB        228KB
[   39.091929] Acpi-Operand             106KB        170KB
[   39.097301] Acpi-State                 0KB          3KB
[   39.102672] Acpi-Namespace            19KB         23KB
[   39.108046] numa_policy                0KB          3KB
[   39.113413] debug_objects_cache        530KB        531KB
[   39.118955] trace_event_file         145KB        147KB
[   39.124325] ftrace_event_field        257KB        259KB
[   39.129772] pool_workqueue            24KB         28KB
[   39.135142] page->ptl               3100KB       3107KB
[   39.140624] kmalloc-262144          1032KB       1032KB
[   39.145981] kmalloc-131072           650KB        650KB
[   39.151434] kmalloc-65536            264KB        264KB
[   39.156803] kmalloc-32768            825KB        825KB
[   39.162156] kmalloc-16384            181KB        181KB
[   39.167517] kmalloc-8192             519KB        519KB
[   39.172898] kmalloc-4096            6392KB       6430KB
[   39.178255] kmalloc-2048            4787KB       4787KB
[   39.183620] kmalloc-1024            2857KB       2858KB
[   39.188996] kmalloc-512             2780KB       2782KB
[   39.194353] kmalloc-256             1944KB       2441KB
[   39.199715] kmalloc-128              408KB        507KB
[   39.205085] kmalloc-96              2064KB       2064KB
[   39.210441] kmalloc-64              2468KB       2468KB
[   39.215809] kmalloc-32              2395KB       2401KB
[   39.221180] kmalloc-192              912KB        912KB
[   39.226562] kmem_cache               100KB        105KB
[   39.231930] [ pid ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
[   39.240541] [ 1823]     0  1823     5385      182    86016        0         -1000 udevd
[   39.248674] [ 3502]     0  3502    14265      164   126976        0             0 rsyslogd
[   39.257073] [ 3557]     0  3557     4725       50    81920        0             0 cron
[   39.265252] [ 3560]     0  3560     3736       44    69632        0             0 mcstransd
[   39.273763] [ 3586]     0  3586    12490      152   135168        0         -1000 sshd
[   39.281806] [ 3627]     0  3627     3694       40    73728        0             0 getty
[   39.289935] [ 3628]     0  3628     3694       41    77824        0             0 getty
[   39.298070] [ 3629]     0  3629     3694       41    73728        0             0 getty
[   39.306197] [ 3630]     0  3630     3694       40    77824        0             0 getty
[   39.314324] [ 3631]     0  3631     3694       41    77824        0             0 getty
[   39.322460] [ 3632]     0  3632     3694       39    77824        0             0 getty
[   39.330596] [ 3633]     0  3633     3649       40    77824        0             0 getty
[   39.338724] [ 3638]     0  3638     5681      455    86016        0         -1000 udevd
[   39.346879] [ 3639]     0  3639     5681      455    86016        0         -1000 udevd
[   39.355041] [ 3655]     0  3655    17821      198   188416        0             0 sshd
[   39.363098] [ 3657]     0  3657      280        1    32768        0             0 syzkaller610764
[   39.372104] [ 3658]     0  3658     4375        0    32768        0             0 syzkaller610764
[   39.381102] [ 3659]     0  3659     4375        0    32768        0             0 syzkaller610764
[   39.390098] [ 3660]     0  3660     4375      522    36864        0             0 syzkaller610764
[   39.399094] [ 3661]     0  3661     4375      522    36864        0             0 syzkaller610764
[   39.408097] [ 3662]     0  3662     4375      522    36864        0             0 syzkaller610764
[   39.417093] [ 3663]     0  3663     4375      522    36864        0             0 syzkaller610764
[   39.426085] [ 3664]     0  3664     4375      522    36864        0             0 syzkaller610764
[   39.435076] [ 3665]     0  3665     4375      522    36864        0             0 syzkaller610764
[   39.444073] Out of memory: Kill process 3660 (syzkaller610764) score 0 or sacrifice child
[   39.452438] Killed process 3660 (syzkaller610764) total-vm:17500kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB
[   39.464699] oom_reaper: reaped process 3660 (syzkaller610764), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
[   39.477825] syzkaller610764 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0
[   39.490199] syzkaller610764 cpuset=/ mems_allowed=0
[   39.495245] CPU: 1 PID: 3664 Comm: syzkaller610764 Not tainted 4.15.0-rc7-mm1+ #56
[   39.502929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   39.512258] Call Trace:
[   39.514831]  dump_stack+0x194/0x257
[   39.518442]  ? arch_local_irq_restore+0x53/0x53
[   39.523095]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   39.528271]  dump_header+0x28c/0xe2b
[   39.531961]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   39.537134]  ? pagefault_out_of_memory+0x145/0x145
[   39.542052]  ? print_irqtrace_events+0x270/0x270
[   39.546784]  ? avc_has_perm_noaudit+0x37e/0x520
[   39.551898]  ? check_noncircular+0x20/0x20
[   39.556104]  ? check_noncircular+0x20/0x20
[   39.560319]  ? print_irqtrace_events+0x270/0x270
[   39.565069]  ? reacquire_held_locks+0x1f9/0x3e0
[   39.569719]  ? reacquire_held_locks+0x1f9/0x3e0
[   39.574374]  ? check_noncircular+0x20/0x20
[   39.578595]  ? task_will_free_mem+0x252/0xaa0
[   39.583073]  ? check_noncircular+0x20/0x20
[   39.587298]  ? print_irqtrace_events+0x270/0x270
[   39.592047]  ? ___ratelimit+0x30d/0x630
[   39.596012]  ? lock_downgrade+0x980/0x980
[   39.600149]  ? lock_release+0xa40/0xa40
[   39.604117]  ? mark_held_locks+0xaf/0x100
[   39.608257]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   39.613348]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   39.618351]  ? trace_hardirqs_on+0xd/0x10
[   39.622489]  ? ___ratelimit+0x95/0x630
[   39.626368]  ? idr_get_free_cmn+0xfd0/0xfd0
[   39.630671]  ? check_noncircular+0x20/0x20
[   39.634884]  oom_kill_process+0x81b/0x9f0
[   39.639007]  ? oom_badness+0xd1/0x980
[   39.642784]  ? lock_release+0xa40/0xa40
[   39.646733]  ? oom_kill_memcg_member+0x20/0x20
[   39.651308]  ? oom_evaluate_task+0x480/0x480
[   39.655719]  ? out_of_memory+0xe1c/0x1790
[   39.659854]  ? lock_downgrade+0x980/0x980
[   39.663997]  ? lock_release+0xa40/0xa40
[   39.667954]  ? find_next_bit+0xcc/0x100
[   39.671935]  ? oom_evaluate_task+0x284/0x480
[   39.676335]  out_of_memory+0x9d5/0x1790
[   39.680310]  ? oom_killer_disable+0x310/0x310
[   39.684787]  ? mutex_trylock+0x23a/0x2d0
[   39.688817]  ? __alloc_pages_slowpath+0xf63/0x2cc0
[   39.693725]  ? __lock_is_held+0xb6/0x140
[   39.697771]  ? __ww_mutex_wakeup_for_backoff+0x240/0x240
[   39.703224]  __alloc_pages_slowpath+0x1ce4/0x2cc0
[   39.708101]  ? warn_alloc+0x2b0/0x2b0
[   39.711886]  ? lock_release+0xa40/0xa40
[   39.715839]  ? print_irqtrace_events+0x270/0x270
[   39.720566]  ? find_held_lock+0x35/0x1d0
[   39.724601]  ? __mutex_lock+0x5bd/0x1a80
[   39.728632]  ? __lock_acquire+0x664/0x3e00
[   39.732831]  ? lock_release+0xa40/0xa40
[   39.736772]  ? memset+0x31/0x40
[   39.740037]  ? do_raw_spin_trylock+0x190/0x190
[   39.744606]  ? __lock_is_held+0xb6/0x140
[   39.748645]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   39.754499]  ? find_held_lock+0x35/0x1d0
[   39.758539]  ? __might_sleep+0x95/0x190
[   39.762488]  __alloc_pages_nodemask+0x9fb/0xd80
[   39.767130]  ? __alloc_pages_slowpath+0x2cc0/0x2cc0
[   39.772123]  ? pcpu_chunk_refresh_hint+0x425/0x570
[   39.777031]  ? print_irqtrace_events+0x270/0x270
[   39.781763]  ? __lock_is_held+0xb6/0x140
[   39.785816]  ? find_next_bit+0xcc/0x100
[   39.789770]  pcpu_populate_chunk+0x1b3/0x880
[   39.794147]  ? find_next_bit+0x7/0x100
[   39.798020]  pcpu_alloc+0x978/0x10e0
[   39.801713]  ? pcpu_free_area+0xa00/0xa00
[   39.805833]  ? vmap_page_range_noflush+0x523/0x720
[   39.810747]  ? map_vm_area+0x9e/0xd0
[   39.814430]  ? __vmalloc_node_range+0x37a/0x650
[   39.819073]  ? array_map_alloc+0x354/0x990
[   39.823273]  ? __vmalloc_node_flags_caller+0x50/0x60
[   39.828359]  __alloc_percpu_gfp+0x27/0x30
[   39.832479]  array_map_alloc+0x794/0x990
[   39.836515]  SyS_bpf+0x7f8/0x4400
[   39.839938]  ? perf_event_mmap+0x115/0x12a0
[   39.844227]  ? bpf_prog_get+0x20/0x20
[   39.848001]  ? perf_event_fork+0x30/0x30
[   39.852044]  ? __lock_is_held+0xb6/0x140
[   39.856080]  ? check_noncircular+0x20/0x20
[   39.860282]  ? vma_wants_writenotify+0x51/0x3b0
[   39.864923]  ? __handle_mm_fault+0x80e/0x3ce0
[   39.869390]  ? check_noncircular+0x20/0x20
[   39.873594]  ? __pmd_alloc+0x4e0/0x4e0
[   39.877446]  ? vma_link+0xe9/0x170
[   39.880958]  ? find_held_lock+0x35/0x1d0
[   39.884996]  ? handle_mm_fault+0x2a0/0x930
[   39.889204]  ? find_held_lock+0x35/0x1d0
[   39.893240]  ? __do_page_fault+0x5f7/0xc90
[   39.897444]  ? lock_downgrade+0x980/0x980
[   39.901566]  ? handle_mm_fault+0x476/0x930
[   39.905766]  ? down_read_trylock+0xdb/0x170
[   39.910057]  ? __handle_mm_fault+0x3ce0/0x3ce0
[   39.914605]  ? vmacache_find+0x5f/0x280
[   39.918543]  ? vmacache_update+0xfe/0x130
[   39.922663]  ? up_read+0x1a/0x40
[   39.925997]  ? __do_page_fault+0x3d6/0xc90
[   39.930208]  ? mm_fault_error+0x2c0/0x2c0
[   39.934330]  ? do_page_fault+0xee/0x720
[   39.938277]  ? __do_page_fault+0xc90/0xc90
[   39.942486]  ? SyS_mmap_pgoff+0x243/0x5f0
[   39.946616]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   39.951351]  entry_SYSCALL_64_fastpath+0x29/0xa0
[   39.956074] RIP: 0033:0x440139
[   39.959229] RSP: 002b:00007fff19894578 EFLAGS: 00000217 ORIG_RAX: 0000000000000141
[   39.966901] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139
[   39.974139] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000
[   39.981382] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000
[   39.988617] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0
[   39.995852] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000
[   40.003199] Mem-Info:
[   40.006728] active_anon:4527 inactive_anon:64 isolated_anon:0
[   40.006728]  active_file:17 inactive_file:17 isolated_file:0
[   40.006728]  unevictable:0 dirty:0 writeback:0 unstable:0
[   40.006728]  slab_reclaimable:7321 slab_unreclaimable:82692
[   40.006728]  mapped:2 shmem:70 pagetables:310 bounce:0
[   40.006728]  free:22669 free_pcp:2 free_cma:0
[   40.038691] Node 0 active_anon:18108kB inactive_anon:256kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[   40.065583] 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
[   40.091709] lowmem_reserve[]: 0 2870 6381 6381
[   40.096299] Node 0 DMA32 free:43500kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942308kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[   40.123539] lowmem_reserve[]: 0 0 3510 3510
[   40.127867] Node 0 Normal free:31268kB min:37084kB low:46352kB high:55620kB active_anon:18080kB inactive_anon:252kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3040kB pagetables:1240kB bounce:0kB free_pcp:8kB local_pcp:4kB free_cma:0kB
[   40.156381] lowmem_reserve[]: 0 0 0 0
[   40.161980] 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
[   40.176550] Node 0 DMA32: 7*4kB (UME) 6*8kB (UME) 6*16kB (UME) 6*32kB (UME) 4*64kB (UM) 5*128kB (ME) 5*256kB (ME) 4*512kB (ME) 4*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43500kB
[   40.193647] Node 0 Normal: 381*4kB (UM) 310*8kB (UM) 231*16kB (UM) 150*32kB (M) 76*64kB (ME) 21*128kB (UM) 20*256kB (M) 12*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 31316kB
[   40.209928] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[   40.219139] 104 total pagecache pages
[   40.222967] 0 pages in swap cache
[   40.226499] Swap cache stats: add 0, delete 0, find 0/0
[   40.231865] Free swap  = 0kB
[   40.234889] Total swap = 0kB
[   40.237915] 1965979 pages RAM
[   40.241036] 0 pages HighMem/MovableOnly
[   40.245031] 327769 pages reserved
[   40.248488] Unreclaimable slab info:
[   40.252193] Name                      Used          Total
[   40.257760] hashtab_node             118KB        119KB
[   40.263130] ebitmap_node             382KB        385KB
[   40.268511] avtab_node              1012KB       1017KB
[   40.273889] TIPC                       1KB          7KB
[   40.279309] SCTPv6                     2KB          4KB
[   40.284684] DCCPv6                     2KB          7KB
[   40.290458] DCCP                       2KB          6KB
[   40.295850] fib6_nodes                 0KB          4KB
[   40.301228] ip6_dst_cache              5KB          7KB
[   40.306604] RAWv6                      9KB         13KB
[   40.311983] UDPv6                     12KB         14KB
[   40.317362] TCPv6                      2KB          5KB
[   40.322748] sd_ext_cdb                 0KB          3KB
[   40.328119] scsi_sense_cache         101KB        136KB
[   40.333492] virtio_scsi_cmd           16KB         16KB
[   40.338878] sgpool-128                 8KB          8KB
[   40.344250] sgpool-64                  4KB          6KB
[   40.349622] sgpool-32                118KB        118KB
[   40.354996] sgpool-16                 41KB         41KB
[   40.360369] sgpool-8                 195KB        195KB
[   40.365741] cfq_io_cq                 16KB         19KB
[   40.371117] cfq_queue                 26KB         30KB
[   40.376491] mqueue_inode_cache          1KB          7KB
[   40.381954] nfs_commit_data            3KB          7KB
[   40.387316] nfs_write_data            34KB         37KB
[   40.392683] jbd2_inode                 1KB          3KB
[   40.398061] ext4_system_zone           0KB          3KB
[   40.403447] bio-1                      1KB          3KB
[   40.408830] rpc_buffers               17KB         19KB
[   40.414205] rpc_tasks                  2KB          3KB
[   40.419585] UNIX                     780KB        780KB
[   40.425744] tcp_bind_bucket            0KB          4KB
[   40.431130] ip_fib_trie                0KB          3KB
[   40.436511] ip_fib_alias               0KB          3KB
[   40.441884] ip_dst_cache               3KB          4KB
[   40.447267] RAW                        5KB          7KB
[   40.452647] UDP                       29KB         39KB
[   40.458045] TCP                        7KB          7KB
[   40.463421] hugetlbfs_inode_cache          1KB          7KB
[   40.469149] eventpoll_pwq             10KB         11KB
[   40.474523] eventpoll_epi             18KB         23KB
[   40.479897] inotify_inode_mark          3KB          7KB
[   40.485364] request_queue             42KB        114KB
[   40.490739] blkdev_ioc                22KB         23KB
[   40.496111] bio-0                    330KB        330KB
[   40.501492] biovec-(1<<(21-12))        453KB        453KB
[   40.507041] biovec-64                157KB        157KB
[   40.512421] biovec-16                 22KB         22KB
[   40.517826] bio_integrity_payload          0KB          4KB
[   40.523560] khugepaged_mm_slot          0KB          3KB
[   40.529042] uid_cache                  0KB          3KB
[   40.534417] dmaengine-unmap-2          0KB          3KB
[   40.539781] audit_buffer               0KB          3KB
[   40.545152] skbuff_fclone_cache        135KB        138KB
[   40.550688] skbuff_head_cache       1619KB       1620KB
[   40.556740] configfs_dir_cache          0KB          4KB
[   40.563099] file_lock_cache          160KB        162KB
[   40.568480] file_lock_ctx              1KB          3KB
[   40.573841] fsnotify_mark_connector          2KB          3KB
[   40.579728] shmem_inode_cache       1045KB       1046KB
[   40.585098] task_delay_info          318KB        320KB
[   40.591266] sigqueue                 368KB        374KB
[   40.596637] kernfs_node_cache       2288KB       2295KB
[   40.601992] mnt_cache                 15KB         16KB
[   40.607361] filp                    8331KB       8760KB
[   40.612727] names_cache           109973KB     110011KB
[   40.618098] avc_node                  37KB         39KB
[   40.623480] selinux_file_security        421KB        488KB
[   40.629198] selinux_inode_security       1954KB       1956KB
[   40.634990] key_jar                    3KB          7KB
[   40.640363] nsproxy                    0KB          3KB
[   40.645745] vm_area_struct         18678KB      18690KB
[   40.651107] mm_struct               4520KB       4531KB
[   40.656470] fs_cache                 425KB        432KB
[   40.661842] files_cache             1593KB       1597KB
[   40.667213] signal_cache            2540KB       2544KB
[   40.672585] sighand_cache            217KB        326KB
[   40.677942] task_struct            10835KB      10853KB
[   40.683306] cred_jar                2356KB       2360KB
[   40.688675] anon_vma_chain          7828KB       7835KB
[   40.694043] anon_vma                 138KB        338KB
[   40.699399] pid                      221KB        228KB
[   40.704764] Acpi-Operand             106KB        170KB
[   40.710136] Acpi-State                 0KB          3KB
[   40.715494] Acpi-Namespace            19KB         23KB
[   40.720863] numa_policy                0KB          3KB
[   40.726236] debug_objects_cache        530KB        531KB
[   40.731771] trace_event_file         145KB        147KB
[   40.737208] ftrace_event_field        257KB        259KB
[   40.742666] pool_workqueue            24KB         28KB
[   40.748036] page->ptl               3098KB       3107KB
[   40.753463] kmalloc-262144          1032KB       1032KB
[   40.758835] kmalloc-131072           650KB        650KB
[   40.764207] kmalloc-65536            264KB        264KB
[   40.769567] kmalloc-32768            825KB        825KB
[   40.774934] kmalloc-16384            181KB        181KB
[   40.780291] kmalloc-8192             519KB        519KB
[   40.785659] kmalloc-4096            6375KB       6413KB
[   40.791033] kmalloc-2048            4800KB       4800KB
[   40.796420] kmalloc-1024            2856KB       2858KB
[   40.801776] kmalloc-512             2776KB       2782KB
[   40.807138] kmalloc-256             1940KB       2441KB
[   40.812509] kmalloc-128              407KB        507KB
[   40.817883] kmalloc-96              2068KB       2068KB
[   40.823252] kmalloc-64              2472KB       2472KB
[   40.828606] kmalloc-32              2395KB       2401KB
[   40.833970] kmalloc-192              912KB        912KB
[   40.839323] kmem_cache               100KB        105KB
[   40.844686] [ pid ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
[   40.853288] [ 1823]     0  1823     5385      182    86016        0         -1000 udevd
[   40.861536] [ 3502]     0  3502    14265      164   126976        0             0 rsyslogd
[   40.870047] [ 3557]     0  3557     4725       52    81920        0             0 cron
[   40.878110] [ 3560]     0  3560     3736       44    69632        0             0 mcstransd
[   40.886610] [ 3586]     0  3586    12490      152   135168        0         -1000 sshd
[   40.894664] [ 3627]     0  3627     3694       40    73728        0             0 getty
[   40.902819] [ 3628]     0  3628     3694       41    77824        0             0 getty
[   40.910983] [ 3629]     0  3629     3694       41    73728        0             0 getty
[   40.919129] [ 3630]     0  3630     3694       40    77824        0             0 getty
[   40.927311] [ 3631]     0  3631     3694       41    77824        0             0 getty
[   40.935480] [ 3632]     0  3632     3694       39    77824        0             0 getty
[   40.943631] [ 3633]     0  3633     3649       40    77824        0             0 getty
[   40.951796] [ 3638]     0  3638     5681      455    86016        0         -1000 udevd
[   40.959966] [ 3639]     0  3639     5681      455    86016        0         -1000 udevd
[   40.968113] [ 3655]     0  3655    17821      198   188416        0             0 sshd
[   40.976181] [ 3657]     0  3657      280        1    32768        0             0 syzkaller610764
[   40.985217] [ 3658]     0  3658     4375        0    32768        0             0 syzkaller610764
[   40.994252] [ 3659]     0  3659     4375        0    32768        0             0 syzkaller610764
[   41.003287] [ 3660]     0  3660     4375        0    32768        0             0 syzkaller610764
[   41.012318] [ 3661]     0  3661     4375      522    36864        0             0 syzkaller610764
[   41.021521] [ 3662]     0  3662     4375      522    36864        0             0 syzkaller610764
[   41.030552] [ 3663]     0  3663     4375      522    36864        0             0 syzkaller610764
[   41.039585] [ 3664]     0  3664     4375      522    36864        0             0 syzkaller610764
[   41.048615] [ 3665]     0  3665     4375      522    36864        0             0 syzkaller610764
[   41.057620] Out of memory: Kill process 3661 (syzkaller610764) score 0 or sacrifice child
[   41.066068] Killed process 3661 (syzkaller610764) total-vm:17500kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB
[   41.078743] oom_reaper: reaped process 3661 (syzkaller610764), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
[   41.090155] cron invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
[   41.101182] cron cpuset=/ mems_allowed=0
[   41.105273] CPU: 0 PID: 3557 Comm: cron Not tainted 4.15.0-rc7-mm1+ #56
[   41.111999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   41.121323] Call Trace:
[   41.123889]  dump_stack+0x194/0x257
[   41.127492]  ? arch_local_irq_restore+0x53/0x53
[   41.132143]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   41.137331]  dump_header+0x28c/0xe2b
[   41.141061]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   41.146255]  ? pagefault_out_of_memory+0x145/0x145
[   41.151177]  ? print_irqtrace_events+0x270/0x270
[   41.155929]  ? avc_has_perm_noaudit+0x37e/0x520
[   41.160577]  ? check_noncircular+0x20/0x20
[   41.164783]  ? check_noncircular+0x20/0x20
[   41.168990]  ? print_irqtrace_events+0x270/0x270
[   41.173733]  ? reacquire_held_locks+0x1f9/0x3e0
[   41.178556]  ? reacquire_held_locks+0x1f9/0x3e0
[   41.183209]  ? check_noncircular+0x20/0x20
[   41.187428]  ? task_will_free_mem+0x252/0xaa0
[   41.191902]  ? check_noncircular+0x20/0x20
[   41.196133]  ? print_irqtrace_events+0x270/0x270
[   41.200882]  ? ___ratelimit+0x30d/0x630
[   41.204839]  ? lock_downgrade+0x980/0x980
[   41.208966]  ? lock_release+0xa40/0xa40
[   41.212935]  ? mark_held_locks+0xaf/0x100
[   41.217070]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   41.222160]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   41.227161]  ? trace_hardirqs_on+0xd/0x10
[   41.231301]  ? ___ratelimit+0x95/0x630
[   41.235174]  ? idr_get_free_cmn+0xfd0/0xfd0
[   41.239499]  ? check_noncircular+0x20/0x20
[   41.243734]  oom_kill_process+0x81b/0x9f0
[   41.247859]  ? oom_badness+0xd1/0x980
[   41.251647]  ? lock_release+0xa40/0xa40
[   41.255614]  ? oom_kill_memcg_member+0x20/0x20
[   41.260207]  ? oom_evaluate_task+0x480/0x480
[   41.264613]  ? out_of_memory+0xe1c/0x1790
[   41.268740]  ? lock_downgrade+0x980/0x980
[   41.272872]  ? lock_release+0xa40/0xa40
[   41.276825]  ? find_next_bit+0xcc/0x100
[   41.280785]  ? oom_evaluate_task+0x284/0x480
[   41.285180]  out_of_memory+0x9d5/0x1790
[   41.289152]  ? oom_killer_disable+0x310/0x310
[   41.293641]  ? mutex_trylock+0x23a/0x2d0
[   41.297682]  ? __alloc_pages_slowpath+0xf63/0x2cc0
[   41.302594]  ? __lock_is_held+0xb6/0x140
[   41.306639]  ? __ww_mutex_wakeup_for_backoff+0x240/0x240
[   41.312092]  __alloc_pages_slowpath+0x1ce4/0x2cc0
[   41.316928]  ? trace_hardirqs_on+0xd/0x10
[   41.321088]  ? warn_alloc+0x2b0/0x2b0
[   41.324873]  ? lock_downgrade+0x980/0x980
[   41.329017]  ? radix_tree_lookup_slot+0x99/0xe0
[   41.333707]  ? find_get_entry+0x53c/0x9e0
[   41.337878]  ? __lock_acquire+0x664/0x3e00
[   41.342127]  ? __lock_is_held+0xb6/0x140
[   41.346199]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   41.352087]  ? __might_sleep+0x95/0x190
[   41.356057]  __alloc_pages_nodemask+0x9fb/0xd80
[   41.360723]  ? __alloc_pages_slowpath+0x2cc0/0x2cc0
[   41.365723]  ? add_to_page_cache_lru+0x510/0x510
[   41.370473]  ? check_noncircular+0x20/0x20
[   41.374686]  ? check_noncircular+0x20/0x20
[   41.378910]  ? radix_tree_next_chunk+0x5e8/0xdf0
[   41.383660]  alloc_pages_current+0xb6/0x1e0
[   41.387971]  __page_cache_alloc+0x334/0x500
[   41.392280]  ? rcu_read_lock_held+0xa9/0xc0
[   41.396592]  ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490
[   41.403956]  filemap_fault+0xf34/0x1ca0
[   41.407913]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   41.413103]  ? __lock_page_or_retry+0x4f0/0x4f0
[   41.417773]  ? filemap_map_pages+0x942/0x15d0
[   41.422252]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   41.427451]  ? find_get_entries_tag+0xeb0/0xeb0
[   41.432196]  ? __lock_acquire+0x664/0x3e00
[   41.436429]  ? check_noncircular+0x20/0x20
[   41.440640]  ? __lock_acquire+0x664/0x3e00
[   41.444862]  ? print_irqtrace_events+0x270/0x270
[   41.449600]  ? print_irqtrace_events+0x270/0x270
[   41.454341]  ? print_irqtrace_events+0x270/0x270
[   41.459087]  ? print_irqtrace_events+0x270/0x270
[   41.463834]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   41.469015]  ? lock_acquire+0x1d5/0x580
[   41.472967]  ? lock_acquire+0x1d5/0x580
[   41.476919]  ? ext4_filemap_fault+0x7a/0xad
[   41.481228]  ? __lock_acquire+0x664/0x3e00
[   41.485452]  ? lock_release+0xa40/0xa40
[   41.489412]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   41.495379]  ? rcu_note_context_switch+0x710/0x710
[   41.500305]  ? __might_sleep+0x95/0x190
[   41.504277]  ? down_read+0x96/0x150
[   41.507886]  ? ext4_filemap_fault+0x7a/0xad
[   41.512194]  ? __down_interruptible+0x6b0/0x6b0
[   41.516865]  ext4_filemap_fault+0x82/0xad
[   41.520995]  __do_fault+0xeb/0x315
[   41.524528]  ? pte_offset_kernel+0xc7/0xc7
[   41.528753]  ? do_raw_spin_trylock+0x190/0x190
[   41.533335]  ? check_noncircular+0x20/0x20
[   41.537567]  __handle_mm_fault+0x1d8f/0x3ce0
[   41.541961]  ? __pmd_alloc+0x4e0/0x4e0
[   41.545830]  ? do_raw_spin_trylock+0x190/0x190
[   41.550501]  ? find_held_lock+0x35/0x1d0
[   41.554562]  ? handle_mm_fault+0x2a0/0x930
[   41.558784]  ? lock_downgrade+0x980/0x980
[   41.562962]  handle_mm_fault+0x38f/0x930
[   41.567096]  ? down_read_trylock+0xdb/0x170
[   41.571414]  ? __handle_mm_fault+0x3ce0/0x3ce0
[   41.575971]  ? vmacache_find+0x5f/0x280
[   41.579921]  ? find_vma+0x30/0x150
[   41.583458]  __do_page_fault+0x5c9/0xc90
[   41.587522]  ? mm_fault_error+0x2c0/0x2c0
[   41.591672]  do_page_fault+0xee/0x720
[   41.595454]  ? nanosleep_copyout+0x100/0x100
[   41.599844]  ? __do_page_fault+0xc90/0xc90
[   41.604063]  ? SYSC_newstat+0x99/0xf0
[   41.607848]  ? cp_new_stat+0xa40/0xa40
[   41.611720]  ? retint_user+0x18/0x18
[   41.615413]  ? page_fault+0x36/0x60
[   41.619026]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   41.623854]  ? page_fault+0x36/0x60
[   41.627466]  page_fault+0x4c/0x60
[   41.630899] RIP: 0033:0x403fc6
[   41.634069] RSP: 002b:00007ffeb0182900 EFLAGS: 00010207
[   41.639420] RAX: 0000000000000000 RBX: 00000000018191fa RCX: 00007fe3818a0c65
[   41.646666] RDX: 00007ffeb01829d0 RSI: 00007ffeb01829d0 RDI: 0000000000408244
[   41.653905] RBP: 00007ffeb0184cd0 R08: 0000000000000000 R09: 00000000000007e2
[   41.661149] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000004033c4
[   41.668407] R13: 00007ffeb0184df0 R14: 0000000000000000 R15: 0000000000000000
[   41.675748] Mem-Info:
[   41.678179] active_anon:4010 inactive_anon:64 isolated_anon:0
[   41.678179]  active_file:31 inactive_file:0 isolated_file:0
[   41.678179]  unevictable:0 dirty:0 writeback:0 unstable:0
[   41.678179]  slab_reclaimable:7321 slab_unreclaimable:82680
[   41.678179]  mapped:2 shmem:70 pagetables:309 bounce:0
[   41.678179]  free:23193 free_pcp:6 free_cma:0
[   41.710054] Node 0 active_anon:16040kB inactive_anon:256kB active_file:120kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[   41.737971] 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
[   41.764635] lowmem_reserve[]: 0 2870 6381 6381
[   41.769289] Node 0 DMA32 free:43500kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942308kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[   41.796570] lowmem_reserve[]: 0 0 3510 3510
[   41.800916] Node 0 Normal free:33468kB min:37084kB low:46352kB high:55620kB active_anon:16012kB inactive_anon:252kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3040kB pagetables:1236kB bounce:0kB free_pcp:76kB local_pcp:76kB free_cma:0kB
[   41.829569] lowmem_reserve[]: 0 0 0 0
[   41.833406] 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
[   41.847047] Node 0 DMA32: 7*4kB (UME) 6*8kB (UME) 6*16kB (UME) 6*32kB (UME) 4*64kB (UM) 5*128kB (ME) 5*256kB (ME) 4*512kB (ME) 4*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43500kB
[   41.863226] Node 0 Normal: 381*4kB (UM) 324*8kB (UM) 231*16kB (UM) 150*32kB (M) 76*64kB (ME) 21*128kB (UM) 20*256kB (M) 12*512kB (M) 0*1024kB 1*2048kB (M) 0*4096kB = 33476kB
[   41.878958] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[   41.887570] 104 total pagecache pages
[   41.891387] 0 pages in swap cache
[   41.894837] Swap cache stats: add 0, delete 0, find 0/0
[   41.900206] Free swap  = 0kB
[   41.903216] Total swap = 0kB
[   41.906235] 1965979 pages RAM
[   41.909331] 0 pages HighMem/MovableOnly
[   41.913306] 327769 pages reserved
[   41.916751] Unreclaimable slab info:
[   41.920468] Name                      Used          Total
[   41.926030] hashtab_node             118KB        119KB
[   41.931409] ebitmap_node             382KB        385KB
[   41.936771] avtab_node              1012KB       1017KB
[   41.942141] TIPC                       1KB          7KB
[   41.947501] SCTPv6                     2KB          4KB
[   41.953301] DCCPv6                     2KB          7KB
[   41.958670] DCCP                       2KB          6KB
[   41.964067] fib6_nodes                 0KB          4KB
[   41.969426] ip6_dst_cache              7KB          7KB
[   41.974779] RAWv6                      9KB         13KB
[   41.980131] UDPv6                     12KB         14KB
[   41.985487] TCPv6                      2KB          5KB
[   41.991056] sd_ext_cdb                 0KB          3KB
[   41.996419] scsi_sense_cache          98KB        136KB
[   42.001773] virtio_scsi_cmd           16KB         16KB
[   42.007129] sgpool-128                 8KB          8KB
[   42.012483] sgpool-64                  4KB          6KB
[   42.017834] sgpool-32                117KB        118KB
[   42.023277] sgpool-16                 40KB         41KB
[   42.028651] sgpool-8                 194KB        195KB
[   42.034034] cfq_io_cq                 15KB         19KB
[   42.039392] cfq_queue                 25KB         30KB
[   42.045094] mqueue_inode_cache          1KB          7KB
[   42.050537] nfs_commit_data            3KB          7KB
[   42.055889] nfs_write_data            34KB         37KB
[   42.061241] jbd2_inode                 1KB          3KB
[   42.066591] ext4_system_zone           0KB          3KB
[   42.071947] bio-1                      1KB          3KB
[   42.077318] rpc_buffers               17KB         19KB
[   42.082668] rpc_tasks                  2KB          3KB
[   42.088047] UNIX                     780KB        780KB
[   42.093488] tcp_bind_bucket            0KB          4KB
[   42.098842] ip_fib_trie                0KB          3KB
[   42.104215] ip_fib_alias               0KB          3KB
[   42.109587] ip_dst_cache               3KB          4KB
[   42.114948] RAW                        5KB          7KB
[   42.120316] UDP                       29KB         39KB
[   42.125678] TCP                        7KB          7KB
[   42.131048] hugetlbfs_inode_cache          1KB          7KB
[   42.136758] eventpoll_pwq             10KB         11KB
[   42.142126] eventpoll_epi             18KB         23KB
[   42.147502] inotify_inode_mark          3KB          7KB
[   42.152946] request_queue             37KB         91KB
[   42.158335] blkdev_ioc                21KB         23KB
[   42.163696] bio-0                    328KB        330KB
[   42.169063] biovec-(1<<(21-12))        453KB        453KB
[   42.174599] biovec-64                157KB        157KB
[   42.179954] biovec-16                 20KB         22KB
[   42.185325] bio_integrity_payload          0KB          4KB
[   42.191045] khugepaged_mm_slot          0KB          3KB
[   42.196512] uid_cache                  0KB          3KB
[   42.201877] dmaengine-unmap-2          0KB          3KB
[   42.207242] audit_buffer               0KB          3KB
[   42.212611] skbuff_fclone_cache        135KB        138KB
[   42.218162] skbuff_head_cache       1623KB       1623KB
[   42.223536] configfs_dir_cache          0KB          4KB
[   42.228982] file_lock_cache          160KB        162KB
[   42.234351] file_lock_ctx              1KB          3KB
[   42.239725] fsnotify_mark_connector          2KB          3KB
[   42.245618] shmem_inode_cache       1045KB       1046KB
[   42.250986] task_delay_info          318KB        320KB
[   42.256359] sigqueue                 368KB        374KB
[   42.261736] kernfs_node_cache       2288KB       2295KB
[   42.267122] mnt_cache                 15KB         16KB
[   42.272500] filp                    8296KB       8737KB
[   42.277866] names_cache           109964KB     109994KB
[   42.283617] avc_node                  37KB         39KB
[   42.288993] selinux_file_security        417KB        488KB
[   42.294704] selinux_inode_security       1954KB       1956KB
[   42.300505] key_jar                    3KB          7KB
[   42.305879] nsproxy                    0KB          3KB
[   42.311258] vm_area_struct         18664KB      18678KB
[   42.316633] mm_struct               4518KB       4531KB
[   42.322032] fs_cache                 425KB        432KB
[   42.327408] files_cache             1592KB       1597KB
[   42.332769] signal_cache            2538KB       2544KB
[   42.338137] sighand_cache            215KB        326KB
[   42.343514] task_struct            10835KB      10841KB
[   42.348917] cred_jar                2355KB       2360KB
[   42.354294] anon_vma_chain          7826KB       7835KB
[   42.359670] anon_vma                 131KB        338KB
[   42.365043] pid                      221KB        228KB
[   42.370417] Acpi-Operand             106KB        170KB
[   42.375793] Acpi-Namespace            19KB         23KB
[   42.381162] numa_policy                0KB          3KB
[   42.386534] debug_objects_cache        530KB        531KB
[   42.392085] trace_event_file         145KB        147KB
[   42.397462] ftrace_event_field        257KB        259KB
[   42.402924] pool_workqueue            24KB         28KB
[   42.408305] page->ptl               3098KB       3107KB
[   42.413727] kmalloc-262144          1032KB       1032KB
[   42.419103] kmalloc-131072           650KB        650KB
[   42.424478] kmalloc-65536            264KB        264KB
[   42.429836] kmalloc-32768            825KB        825KB
[   42.435202] kmalloc-16384            181KB        181KB
[   42.440575] kmalloc-8192             519KB        519KB
[   42.445926] kmalloc-4096            6366KB       6396KB
[   42.451293] kmalloc-2048            4800KB       4800KB
[   42.456653] kmalloc-1024            2856KB       2858KB
[   42.462041] kmalloc-512             2775KB       2782KB
[   42.467419] kmalloc-256             1923KB       2430KB
[   42.472776] kmalloc-128              406KB        507KB
[   42.478153] kmalloc-96              2066KB       2068KB
[   42.483530] kmalloc-64              2471KB       2472KB
[   42.488885] kmalloc-32              2393KB       2401KB
[   42.494261] kmalloc-192              910KB        912KB
[   42.499620] kmem_cache               100KB        105KB
[   42.504983] [ pid ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
[   42.513598] [ 1823]     0  1823     5385      182    86016        0         -1000 udevd
[   42.521749] [ 3502]     0  3502    14265      164   126976        0             0 rsyslogd
[   42.530168] [ 3557]     0  3557     4725       52    81920        0             0 cron
[   42.538253] [ 3560]     0  3560     3736       44    69632        0             0 mcstransd
[   42.546781] [ 3586]     0  3586    12490      152   135168        0         -1000 sshd
[   42.554876] [ 3627]     0  3627     3694       40    73728        0             0 getty
[   42.563060] [ 3628]     0  3628     3694       41    77824        0             0 getty
[   42.571230] [ 3629]     0  3629     3694       41    73728        0             0 getty
[   42.579396] [ 3630]     0  3630     3694       40    77824        0             0 getty
[   42.587561] [ 3631]     0  3631     3694       41    77824        0             0 getty
[   42.595730] [ 3632]     0  3632     3694       39    77824        0             0 getty
[   42.603879] [ 3633]     0  3633     3649       40    77824        0             0 getty
[   42.612047] [ 3638]     0  3638     5681      455    86016        0         -1000 udevd
[   42.620214] [ 3639]     0  3639     5681      455    86016        0         -1000 udevd
[   42.628383] [ 3655]     0  3655    17821      198   188416        0             0 sshd
[   42.636463] [ 3657]     0  3657      280        1    32768        0             0 syzkaller610764
[   42.645499] [ 3658]     0  3658     4375        0    32768        0             0 syzkaller610764
[   42.654538] [ 3659]     0  3659     4375        0    32768        0             0 syzkaller610764
[   42.663551] [ 3660]     0  3660     4375        0    32768        0             0 syzkaller610764
[   42.672579] [ 3661]     0  3661     4375        0    32768        0             0 syzkaller610764
[   42.681591] [ 3662]     0  3662     4375      522    36864        0             0 syzkaller610764
[   42.690615] [ 3663]     0  3663     4375      522    36864        0             0 syzkaller610764
[   42.699648] [ 3664]     0  3664     4375      522    36864        0             0 syzkaller610764
[   42.708697] [ 3665]     0  3665     4375      522    36864        0             0 syzkaller610764
[   42.717715] Out of memory: Kill process 3662 (syzkaller610764) score 0 or sacrifice child
[   42.726154] Killed process 3662 (syzkaller610764) total-vm:17500kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB
[   42.738683] oom_reaper: reaped process 3662 (syzkaller610764), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
[   42.750073] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000
[   42.762097] udevd cpuset=/ mems_allowed=0
[   42.766282] CPU: 1 PID: 1823 Comm: udevd Not tainted 4.15.0-rc7-mm1+ #56
[   42.773103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   42.782440] Call Trace:
[   42.785015]  dump_stack+0x194/0x257
[   42.788635]  ? arch_local_irq_restore+0x53/0x53
[   42.793300]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   42.798505]  dump_header+0x28c/0xe2b
[   42.802217]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   42.807403]  ? pagefault_out_of_memory+0x145/0x145
[   42.812325]  ? print_irqtrace_events+0x270/0x270
[   42.817079]  ? avc_has_perm_noaudit+0x37e/0x520
[   42.821737]  ? check_noncircular+0x20/0x20
[   42.825952]  ? check_noncircular+0x20/0x20
[   42.830168]  ? print_irqtrace_events+0x270/0x270
[   42.834904]  ? reacquire_held_locks+0x1f9/0x3e0
[   42.839556]  ? reacquire_held_locks+0x1f9/0x3e0
[   42.844212]  ? check_noncircular+0x20/0x20
[   42.848432]  ? task_will_free_mem+0x252/0xaa0
[   42.852911]  ? check_noncircular+0x20/0x20
[   42.857135]  ? print_irqtrace_events+0x270/0x270
[   42.861889]  ? ___ratelimit+0x30d/0x630
[   42.865847]  ? lock_downgrade+0x980/0x980
[   42.869983]  ? lock_release+0xa40/0xa40
[   42.873950]  ? mark_held_locks+0xaf/0x100
[   42.878084]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   42.883176]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   42.888171]  ? trace_hardirqs_on+0xd/0x10
[   42.892301]  ? ___ratelimit+0x95/0x630
[   42.896173]  ? idr_get_free_cmn+0xfd0/0xfd0
[   42.900470]  ? check_noncircular+0x20/0x20
[   42.904702]  oom_kill_process+0x81b/0x9f0
[   42.908828]  ? oom_badness+0xd1/0x980
[   42.912596]  ? lock_release+0xa40/0xa40
[   42.916553]  ? oom_kill_memcg_member+0x20/0x20
[   42.921116]  ? oom_evaluate_task+0x480/0x480
[   42.925515]  ? out_of_memory+0xe1c/0x1790
[   42.929646]  ? lock_downgrade+0x980/0x980
[   42.933768]  ? lock_release+0xa40/0xa40
[   42.937717]  ? find_next_bit+0xcc/0x100
[   42.941695]  ? oom_evaluate_task+0x284/0x480
[   42.946091]  out_of_memory+0x9d5/0x1790
[   42.950064]  ? oom_killer_disable+0x310/0x310
[   42.954546]  ? mutex_trylock+0x23a/0x2d0
[   42.958581]  ? __alloc_pages_slowpath+0xf63/0x2cc0
[   42.963487]  ? __lock_is_held+0xb6/0x140
[   42.967525]  ? __ww_mutex_wakeup_for_backoff+0x240/0x240
[   42.972962]  __alloc_pages_slowpath+0x1ce4/0x2cc0
[   42.977784]  ? trace_hardirqs_on+0xd/0x10
[   42.981922]  ? warn_alloc+0x2b0/0x2b0
[   42.985705]  ? lock_downgrade+0x980/0x980
[   42.989839]  ? radix_tree_lookup_slot+0x99/0xe0
[   42.994506]  ? find_get_entry+0x53c/0x9e0
[   42.998679]  ? __lock_acquire+0x664/0x3e00
[   43.002926]  ? __lock_is_held+0xb6/0x140
[   43.006988]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   43.012869]  ? __might_sleep+0x95/0x190
[   43.016836]  __alloc_pages_nodemask+0x9fb/0xd80
[   43.021490]  ? __alloc_pages_slowpath+0x2cc0/0x2cc0
[   43.026489]  ? add_to_page_cache_lru+0x510/0x510
[   43.031242]  ? check_noncircular+0x20/0x20
[   43.035462]  ? check_noncircular+0x20/0x20
[   43.039696]  ? lock_acquire+0x1d5/0x580
[   43.043691]  alloc_pages_current+0xb6/0x1e0
[   43.048003]  __page_cache_alloc+0x334/0x500
[   43.052314]  ? rcu_read_lock_held+0xa9/0xc0
[   43.056622]  ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490
[   43.063987]  filemap_fault+0xf34/0x1ca0
[   43.067952]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   43.073146]  ? __lock_page_or_retry+0x4f0/0x4f0
[   43.077811]  ? filemap_map_pages+0x942/0x15d0
[   43.082290]  ? free_obj_work+0x690/0x690
[   43.086356]  ? find_get_entries_tag+0xeb0/0xeb0
[   43.091025]  ? check_noncircular+0x20/0x20
[   43.095253]  ? print_irqtrace_events+0x270/0x270
[   43.099989]  ? print_irqtrace_events+0x270/0x270
[   43.104734]  ? do_raw_spin_trylock+0x190/0x190
[   43.109318]  ? lock_acquire+0x1d5/0x580
[   43.113272]  ? lock_acquire+0x1d5/0x580
[   43.117227]  ? ext4_filemap_fault+0x7a/0xad
[   43.121546]  ? lock_release+0xa40/0xa40
[   43.125518]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   43.131399]  ? rcu_note_context_switch+0x710/0x710
[   43.136324]  ? __might_sleep+0x95/0x190
[   43.140291]  ? down_read+0x96/0x150
[   43.143901]  ? ext4_filemap_fault+0x7a/0xad
[   43.148216]  ? __down_interruptible+0x6b0/0x6b0
[   43.152881]  ext4_filemap_fault+0x82/0xad
[   43.157003]  __do_fault+0xeb/0x315
[   43.160527]  ? pte_offset_kernel+0xc7/0xc7
[   43.164734]  ? do_raw_spin_trylock+0x190/0x190
[   43.169307]  ? check_noncircular+0x20/0x20
[   43.173538]  __handle_mm_fault+0x1d8f/0x3ce0
[   43.177944]  ? __pmd_alloc+0x4e0/0x4e0
[   43.181819]  ? find_held_lock+0x35/0x1d0
[   43.185870]  ? handle_mm_fault+0x2a0/0x930
[   43.190088]  ? lock_downgrade+0x980/0x980
[   43.194236]  handle_mm_fault+0x38f/0x930
[   43.198280]  ? down_read_trylock+0xdb/0x170
[   43.202593]  ? __handle_mm_fault+0x3ce0/0x3ce0
[   43.207156]  ? vmacache_find+0x5f/0x280
[   43.211120]  ? find_vma+0x30/0x150
[   43.214649]  __do_page_fault+0x5c9/0xc90
[   43.218695]  ? mm_fault_error+0x2c0/0x2c0
[   43.222812]  ? __fdget+0x18/0x20
[   43.226177]  do_page_fault+0xee/0x720
[   43.229964]  ? __do_page_fault+0xc90/0xc90
[   43.234187]  ? __sb_end_write+0xa0/0xd0
[   43.238149]  ? vfs_write+0x224/0x510
[   43.241860]  ? retint_user+0x18/0x18
[   43.245559]  ? page_fault+0x36/0x60
[   43.249174]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   43.254009]  ? page_fault+0x36/0x60
[   43.257625]  page_fault+0x4c/0x60
[   43.261058] RIP: 0033:0x7fea37229180
[   43.264747] RSP: 002b:00007ffc3a5e7f48 EFLAGS: 00010246
[   43.270094] RAX: 0000000000000000 RBX: 0000000001694030 RCX: 0000000000000008
[   43.277345] RDX: 0000000000000001 RSI: 00000000000001c8 RDI: 00007fea37539e40
[   43.284599] RBP: 0000000000021240 R08: 0000000000000000 R09: 00007ffc3a5e8076
[   43.291852] R10: 0000000000000008 R11: 00007fea37309e90 R12: 00000000016f9dc0
[   43.299118] R13: 00000000000001c8 R14: 00007fea37539e40 R15: 00007fea37539e40
[   43.306484] Mem-Info:
[   43.309698] active_anon:3493 inactive_anon:64 isolated_anon:0
[   43.309698]  active_file:15 inactive_file:19 isolated_file:0
[   43.309698]  unevictable:0 dirty:0 writeback:0 unstable:0
[   43.309698]  slab_reclaimable:7319 slab_unreclaimable:82636
[   43.309698]  mapped:2 shmem:70 pagetables:308 bounce:0
[   43.309698]  free:23733 free_pcp:30 free_cma:0
[   43.341734] Node 0 active_anon:13972kB inactive_anon:256kB active_file:60kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[   43.368532] 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
[   43.394676] lowmem_reserve[]: 0 2870 6381 6381
[   43.399294] Node 0 DMA32 free:43500kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942308kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[   43.426658] lowmem_reserve[]: 0 0 3510 3510
[   43.431030] Node 0 Normal free:35524kB min:37084kB low:46352kB high:55620kB active_anon:13944kB inactive_anon:252kB active_file:60kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3040kB pagetables:1232kB bounce:0kB free_pcp:120kB local_pcp:16kB free_cma:0kB
[   43.460409] lowmem_reserve[]: 0 0 0 0
[   43.464254] 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
[   43.477889] Node 0 DMA32: 7*4kB (UME) 6*8kB (UME) 6*16kB (UME) 6*32kB (UME) 4*64kB (UM) 5*128kB (ME) 5*256kB (ME) 4*512kB (ME) 4*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43500kB
[   43.494033] Node 0 Normal: 381*4kB (UM) 324*8kB (UM) 231*16kB (UM) 150*32kB (M) 76*64kB (ME) 21*128kB (UM) 20*256kB (M) 12*512kB (M) 0*1024kB 2*2048kB (M) 0*4096kB = 35524kB
[   43.509767] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[   43.518362] 104 total pagecache pages
[   43.522194] 0 pages in swap cache
[   43.525651] Swap cache stats: add 0, delete 0, find 0/0
[   43.531031] Free swap  = 0kB
[   43.534065] Total swap = 0kB
[   43.537091] 1965979 pages RAM
[   43.540208] 0 pages HighMem/MovableOnly
[   43.544187] 327769 pages reserved
[   43.547634] Unreclaimable slab info:
[   43.552228] Name                      Used          Total
[   43.557764] hashtab_node             118KB        119KB
[   43.563131] ebitmap_node             382KB        385KB
[   43.569293] avtab_node              1012KB       1017KB
[   43.574677] TIPC                       1KB          7KB
[   43.580057] SCTPv6                     2KB          4KB
[   43.585439] DCCPv6                     2KB          7KB
[   43.590803] DCCP                       2KB          6KB
[   43.596960] fib6_nodes                 0KB          4KB
[   43.602337] ip6_dst_cache              7KB          7KB
[   43.607713] RAWv6                      9KB         13KB
[   43.613081] UDPv6                     12KB         14KB
[   43.618442] TCPv6                      2KB          5KB
[   43.623808] sd_ext_cdb                 0KB          3KB
[   43.629181] scsi_sense_cache          95KB        136KB
[   43.634539] virtio_scsi_cmd           16KB         16KB
[   43.639894] sgpool-128                 8KB          8KB
[   43.645262] sgpool-64                  4KB          6KB
[   43.650619] sgpool-32                114KB        118KB
[   43.655976] sgpool-16                 39KB         41KB
[   43.661346] sgpool-8                 193KB        195KB
[   43.666722] cfq_io_cq                 15KB         19KB
[   43.672091] cfq_queue                 25KB         30KB
[   43.677469] mqueue_inode_cache          1KB          7KB
[   43.682924] nfs_commit_data            3KB          7KB
[   43.688297] nfs_write_data            34KB         37KB
[   43.693676] jbd2_inode                 1KB          3KB
[   43.699052] ext4_system_zone           0KB          3KB
[   43.704442] bio-1                      1KB          3KB
[   43.709836] rpc_buffers               17KB         19KB
[   43.715217] rpc_tasks                  2KB          3KB
[   43.720604] UNIX                     780KB        780KB
[   43.725985] tcp_bind_bucket            0KB          4KB
[   43.731770] ip_fib_trie                0KB          3KB
[   43.737139] ip_fib_alias               0KB          3KB
[   43.742517] ip_dst_cache               3KB          4KB
[   43.747916] RAW                        5KB          7KB
[   43.753289] UDP                       29KB         39KB
[   43.758674] TCP                        7KB          7KB
[   43.764057] hugetlbfs_inode_cache          1KB          7KB
[   43.769805] eventpoll_pwq             10KB         11KB
[   43.775183] eventpoll_epi             18KB         23KB
[   43.780570] inotify_inode_mark          3KB          7KB
[   43.786045] request_queue             37KB         91KB
[   43.791413] blkdev_ioc                21KB         23KB
[   43.796773] bio-0                    326KB        330KB
[   43.802141] biovec-(1<<(21-12))        453KB        453KB
[   43.807683] biovec-64                156KB        157KB
[   43.813051] biovec-16                 20KB         22KB
[   43.818424] bio_integrity_payload          0KB          4KB
[   43.824141] khugepaged_mm_slot          0KB          3KB
[   43.829608] uid_cache                  0KB          3KB
[   43.834983] dmaengine-unmap-2          0KB          3KB
[   43.840355] audit_buffer               0KB          3KB
[   43.845725] skbuff_fclone_cache        135KB        138KB
[   43.851283] skbuff_head_cache       1623KB       1623KB
[   43.856663] configfs_dir_cache          0KB          4KB
[   43.862124] file_lock_cache          160KB        162KB
[   43.868625] file_lock_ctx              1KB          3KB
[   43.873993] fsnotify_mark_connector          2KB          3KB
[   43.879893] shmem_inode_cache       1045KB       1046KB
[   43.885266] task_delay_info          318KB        320KB
[   43.890647] sigqueue                 367KB        374KB
[   43.896006] kernfs_node_cache       2288KB       2295KB
[   43.901401] mnt_cache                 15KB         16KB
[   43.906763] filp                    8290KB       8730KB
[   43.912127] names_cache           109956KB     109994KB
[   43.917513] avc_node                  37KB         39KB
[   43.922876] selinux_file_security        417KB        488KB
[   43.928586] selinux_inode_security       1954KB       1956KB
[   43.934394] key_jar                    3KB          7KB
[   43.939752] nsproxy                    0KB          3KB
[   43.945118] vm_area_struct         18664KB      18678KB
[   43.950476] mm_struct               4518KB       4531KB
[   43.955843] fs_cache                 425KB        432KB
[   43.961200] files_cache             1592KB       1597KB
[   43.966566] signal_cache            2538KB       2544KB
[   43.971924] sighand_cache            215KB        326KB
[   43.977379] task_struct            10835KB      10841KB
[   43.982739] cred_jar                2355KB       2360KB
[   43.988104] anon_vma_chain          7825KB       7835KB
[   43.993487] anon_vma                 129KB        338KB
[   43.998857] pid                      221KB        228KB
[   44.004989] Acpi-Operand             106KB        170KB
[   44.010369] Acpi-Namespace            19KB         23KB
[   44.015730] numa_policy                0KB          3KB
[   44.021094] debug_objects_cache        530KB        531KB
[   44.026644] trace_event_file         145KB        147KB
[   44.032035] ftrace_event_field        257KB        259KB
[   44.037495] pool_workqueue            24KB         28KB
[   44.042853] page->ptl               3098KB       3107KB
[   44.048251] kmalloc-262144          1032KB       1032KB
[   44.053626] kmalloc-131072           650KB        650KB
[   44.058987] kmalloc-65536            264KB        264KB
[   44.064352] kmalloc-32768            825KB        825KB
[   44.069712] kmalloc-16384            181KB        181KB
[   44.075079] kmalloc-8192             519KB        519KB
[   44.080436] kmalloc-4096            6358KB       6396KB
[   44.085801] kmalloc-2048            4798KB       4800KB
[   44.091158] kmalloc-1024            2856KB       2858KB
[   44.096526] kmalloc-512             2775KB       2782KB
[   44.101883] kmalloc-256             1920KB       2422KB
[   44.107250] kmalloc-128              406KB        507KB
[   44.112610] kmalloc-96              2066KB       2068KB
[   44.117976] kmalloc-64              2468KB       2472KB
[   44.123332] kmalloc-32              2391KB       2401KB
[   44.128700] kmalloc-192              910KB        912KB
[   44.134057] kmem_cache               100KB        105KB
[   44.140201] [ pid ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
[   44.148802] [ 1823]     0  1823     5385      182    86016        0         -1000 udevd
[   44.156961] [ 3502]     0  3502    14265      164   126976        0             0 rsyslogd
[   44.165370] [ 3557]     0  3557     4725       52    81920        0             0 cron
[   44.173438] [ 3560]     0  3560     3736       44    69632        0             0 mcstransd
[   44.181936] [ 3586]     0  3586    12490      152   135168        0         -1000 sshd
[   44.190008] [ 3627]     0  3627     3694       40    73728        0             0 getty
[   44.198187] [ 3628]     0  3628     3694       41    77824        0             0 getty
[   44.206342] [ 3629]     0  3629     3694       41    73728        0             0 getty
[   44.214496] [ 3630]     0  3630     3694       40    77824        0             0 getty
[   44.222655] [ 3631]     0  3631     3694       41    77824        0             0 getty
[   44.230811] [ 3632]     0  3632     3694       39    77824        0             0 getty
[   44.238970] [ 3633]     0  3633     3649       40    77824        0             0 getty
[   44.247111] [ 3638]     0  3638     5681      455    86016        0         -1000 udevd
[   44.255262] [ 3639]     0  3639     5681      455    86016        0         -1000 udevd
[   44.263422] [ 3655]     0  3655    17821      198   188416        0             0 sshd
[   44.271515] [ 3657]     0  3657      280        1    32768        0             0 syzkaller610764
[   44.280545] [ 3658]     0  3658     4375        0    32768        0             0 syzkaller610764
[   44.289583] [ 3659]     0  3659     4375        0    32768        0             0 syzkaller610764
[   44.298613] [ 3660]     0  3660     4375        0    32768        0             0 syzkaller610764
[   44.307643] [ 3661]     0  3661     4375        0    32768        0             0 syzkaller610764
[   44.316761] [ 3662]     0  3662     4375        0    32768        0             0 syzkaller610764
[   44.325801] [ 3663]     0  3663     4375      522    36864        0             0 syzkaller610764
[   44.334814] [ 3664]     0  3664     4375      522    36864        0             0 syzkaller610764
[   44.343839] [ 3665]     0  3665     4375      522    36864        0             0 syzkaller610764
[   44.352866] Out of memory: Kill process 3663 (syzkaller610764) score 0 or sacrifice child
[   44.362839] Killed process 3663 (syzkaller610764) total-vm:17500kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB
[   44.375880] oom_reaper: reaped process 3663 (syzkaller610764), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
[   44.809303] kworker/0:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0
[   44.821706] kworker/0:1 cpuset=/ mems_allowed=0
[   44.826520] CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.15.0-rc7-mm1+ #56
[   44.833675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   44.843005] Workqueue: events pcpu_balance_workfn
[   44.847824] Call Trace:
[   44.850391]  dump_stack+0x194/0x257
[   44.853989]  ? arch_local_irq_restore+0x53/0x53
[   44.858629]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   44.863797]  dump_header+0x28c/0xe2b
[   44.867483]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   44.872641]  ? pagefault_out_of_memory+0x145/0x145
[   44.877550]  ? print_irqtrace_events+0x270/0x270
[   44.882285]  ? avc_has_perm_noaudit+0x37e/0x520
[   44.886923]  ? check_noncircular+0x20/0x20
[   44.891134]  ? reacquire_held_locks+0x1f9/0x3e0
[   44.895769]  ? reacquire_held_locks+0x1f9/0x3e0
[   44.900408]  ? check_noncircular+0x20/0x20
[   44.904609]  ? task_will_free_mem+0x252/0xaa0
[   44.909071]  ? check_noncircular+0x20/0x20
[   44.913277]  ? print_irqtrace_events+0x270/0x270
[   44.918006]  ? ___ratelimit+0x30d/0x630
[   44.921962]  ? lock_downgrade+0x980/0x980
[   44.926081]  ? lock_release+0xa40/0xa40
[   44.930040]  ? mark_held_locks+0xaf/0x100
[   44.934160]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   44.939231]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   44.944213]  ? trace_hardirqs_on+0xd/0x10
[   44.948328]  ? ___ratelimit+0x95/0x630
[   44.952181]  ? idr_get_free_cmn+0xfd0/0xfd0
[   44.956468]  ? check_noncircular+0x20/0x20
[   44.960677]  oom_kill_process+0x81b/0x9f0
[   44.964791]  ? oom_badness+0xd1/0x980
[   44.968556]  ? lock_release+0xa40/0xa40
[   44.972499]  ? oom_kill_memcg_member+0x20/0x20
[   44.977057]  ? oom_evaluate_task+0x480/0x480
[   44.981436]  ? out_of_memory+0xe1c/0x1790
[   44.985552]  ? lock_downgrade+0x980/0x980
[   44.989670]  ? lock_release+0xa40/0xa40
[   44.993608]  ? find_next_bit+0xcc/0x100
[   44.997547]  ? blocking_notifier_call_chain+0x112/0x190
[   45.002886]  ? oom_evaluate_task+0x284/0x480
[   45.007264]  out_of_memory+0x9d5/0x1790
[   45.011215]  ? oom_killer_disable+0x310/0x310
[   45.015691]  ? mutex_trylock+0x23a/0x2d0
[   45.019719]  ? __alloc_pages_slowpath+0xf63/0x2cc0
[   45.024621]  ? __lock_is_held+0xb6/0x140
[   45.028650]  ? __ww_mutex_wakeup_for_backoff+0x240/0x240
[   45.034078]  __alloc_pages_slowpath+0x1ce4/0x2cc0
[   45.038912]  ? warn_alloc+0x2b0/0x2b0
[   45.042679]  ? check_noncircular+0x20/0x20
[   45.046886]  ? print_irqtrace_events+0x270/0x270
[   45.051615]  ? find_held_lock+0x35/0x1d0
[   45.055650]  ? __mutex_lock+0x5bd/0x1a80
[   45.059685]  ? __lock_acquire+0x664/0x3e00
[   45.063890]  ? lock_release+0xa40/0xa40
[   45.067831]  ? memset+0x31/0x40
[   45.071079]  ? do_raw_spin_trylock+0x190/0x190
[   45.075644]  ? __lock_is_held+0xb6/0x140
[   45.079694]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   45.085553]  ? __might_sleep+0x95/0x190
[   45.089506]  __alloc_pages_nodemask+0x9fb/0xd80
[   45.094147]  ? __alloc_pages_slowpath+0x2cc0/0x2cc0
[   45.099129]  ? __lock_acquire+0x664/0x3e00
[   45.103340]  ? __lock_acquire+0x664/0x3e00
[   45.107548]  ? print_irqtrace_events+0x270/0x270
[   45.112275]  ? __lock_is_held+0xb6/0x140
[   45.116314]  ? find_next_bit+0xcc/0x100
[   45.120267]  pcpu_populate_chunk+0x1b3/0x880
[   45.124646]  ? find_next_bit+0x7/0x100
[   45.128509]  pcpu_balance_workfn+0xf3e/0x1520
[   45.132973]  ? check_noncircular+0x20/0x20
[   45.137175]  ? find_held_lock+0x35/0x1d0
[   45.141212]  ? pcpu_create_chunk+0x900/0x900
[   45.145590]  ? lock_release+0xa40/0xa40
[   45.149540]  ? check_noncircular+0x20/0x20
[   45.153754]  ? lock_acquire+0x1d5/0x580
[   45.157694]  ? lock_acquire+0x1d5/0x580
[   45.161634]  ? process_one_work+0xb01/0x1af0
[   45.166036]  ? __lock_is_held+0xb6/0x140
[   45.170079]  process_one_work+0xbbf/0x1af0
[   45.174280]  ? trace_hardirqs_on+0xd/0x10
[   45.178404]  ? pwq_dec_nr_in_flight+0x450/0x450
[   45.183062]  ? __schedule+0x8f3/0x2060
[   45.186939]  ? check_noncircular+0x20/0x20
[   45.191153]  ? __lock_is_held+0xb6/0x140
[   45.195207]  ? lock_acquire+0x1d5/0x580
[   45.199146]  ? lock_acquire+0x1d5/0x580
[   45.203087]  ? worker_thread+0x4a3/0x1990
[   45.207203]  ? lock_downgrade+0x980/0x980
[   45.211321]  ? lock_release+0xa40/0xa40
[   45.215271]  ? worker_pool_assign_id+0x1b0/0x1b0
[   45.220003]  ? do_raw_spin_trylock+0x190/0x190
[   45.224572]  worker_thread+0x223/0x1990
[   45.228534]  ? process_one_work+0x1af0/0x1af0
[   45.233006]  ? _raw_spin_unlock_irq+0x27/0x70
[   45.237477]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   45.242462]  ? trace_hardirqs_on+0xd/0x10
[   45.246579]  ? mmdrop+0x18/0x30
[   45.249827]  ? finish_task_switch+0x1f6/0x740
[   45.254301]  ? copy_overflow+0x20/0x20
[   45.258165]  ? __schedule+0x8f3/0x2060
[   45.262045]  ? find_held_lock+0x35/0x1d0
[   45.266081]  ? find_held_lock+0x35/0x1d0
[   45.270115]  ? complete+0x62/0x80
[   45.273543]  ? __schedule+0x2060/0x2060
[   45.277484]  ? do_wait_intr_irq+0x3e0/0x3e0
[   45.281771]  ? __lockdep_init_map+0xe4/0x650
[   45.286148]  ? do_raw_spin_trylock+0x190/0x190
[   45.290697]  ? lockdep_init_map+0x9/0x10
[   45.294724]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   45.299803]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   45.304787]  ? trace_hardirqs_on+0xd/0x10
[   45.308904]  ? __kthread_parkme+0x175/0x240
[   45.313194]  kthread+0x33c/0x400
[   45.316529]  ? process_one_work+0x1af0/0x1af0
[   45.320992]  ? kthread_stop+0x7a0/0x7a0
[   45.324944]  ret_from_fork+0x37/0x50
[   45.328720] Mem-Info:
[   45.331661] active_anon:2976 inactive_anon:64 isolated_anon:0
[   45.331661]  active_file:12 inactive_file:22 isolated_file:0
[   45.331661]  unevictable:0 dirty:0 writeback:0 unstable:0
[   45.331661]  slab_reclaimable:7319 slab_unreclaimable:82632
[   45.331661]  mapped:2 shmem:70 pagetables:307 bounce:0
[   45.331661]  free:18638 free_pcp:69 free_cma:0
[   45.364614] Node 0 active_anon:11904kB inactive_anon:256kB active_file:48kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[   45.391470] 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
[   45.417600] lowmem_reserve[]: 0 2870 6381 6381
[   45.422204] Node 0 DMA32 free:40152kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942308kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:76kB local_pcp:76kB free_cma:0kB
[   45.449647] lowmem_reserve[]: 0 0 3510 3510
[   45.453994] Node 0 Normal free:18492kB min:37084kB low:46352kB high:55620kB active_anon:11876kB inactive_anon:252kB active_file:52kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3040kB pagetables:1228kB bounce:0kB free_pcp:200kB local_pcp:152kB free_cma:0kB
[   45.482853] lowmem_reserve[]: 0 0 0 0
[   45.486679] 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
[   45.500320] Node 0 DMA32: 6*4kB (UME) 6*8kB (UME) 5*16kB (UME) 4*32kB (ME) 3*64kB (M) 6*128kB (UME) 6*256kB (UME) 5*512kB (UME) 4*1024kB (UME) 3*2048kB (ME) 6*4096kB (M) = 40152kB
[   45.516586] Node 0 Normal: 311*4kB (M) 260*8kB (M) 190*16kB (M) 119*32kB (UM) 58*64kB (ME) 10*128kB (M) 7*256kB (M) 3*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 18492kB
[   45.531542] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[   45.540134] 104 total pagecache pages
[   45.543955] 0 pages in swap cache
[   45.547405] Swap cache stats: add 0, delete 0, find 0/0
[   45.552783] Free swap  = 0kB
[   45.555810] Total swap = 0kB
[   45.558823] 1965979 pages RAM
[   45.561927] 0 pages HighMem/MovableOnly
[   45.565906] 327769 pages reserved
[   45.569435] Unreclaimable slab info:
[   45.573346] Name                      Used          Total
[   45.578944] hashtab_node             118KB        119KB
[   45.584306] ebitmap_node             382KB        385KB
[   45.589672] avtab_node              1012KB       1017KB
[   45.595054] TIPC                       1KB          7KB
[   45.600430] SCTPv6                     2KB          4KB
[   45.605788] DCCPv6                     2KB          7KB
[   45.611186] DCCP                       2KB          6KB
[   45.616578] fib6_nodes                 0KB          4KB
[   45.621958] ip6_dst_cache              6KB          7KB
[   45.627331] RAWv6                      9KB         13KB
[   45.632689] UDPv6                     12KB         14KB
[   45.638056] TCPv6                      2KB          5KB
[   45.643420] sd_ext_cdb                 0KB          3KB
[   45.648771] scsi_sense_cache          95KB        136KB
[   45.654137] virtio_scsi_cmd           16KB         16KB
[   45.659496] sgpool-128                 8KB          8KB
[   45.664843] sgpool-64                  4KB          6KB
[   45.670216] sgpool-32                113KB        118KB
[   45.675592] sgpool-16                 39KB         41KB
[   45.680942] sgpool-8                 192KB        195KB
[   45.686317] cfq_io_cq                 15KB         19KB
[   45.691674] cfq_queue                 25KB         30KB
[   45.697035] mqueue_inode_cache          1KB          7KB
[   45.702500] nfs_commit_data            3KB          7KB
[   45.707855] nfs_write_data            34KB         37KB
[   45.713218] jbd2_inode                 1KB          3KB
[   45.719644] ext4_system_zone           0KB          3KB
[   45.725039] bio-1                      1KB          3KB
[   45.730453] rpc_buffers               17KB         19KB
[   45.735811] rpc_tasks                  2KB          3KB
[   45.741184] UNIX                     780KB        780KB
[   45.746562] tcp_bind_bucket            0KB          4KB
[   45.751944] ip_fib_trie                0KB          3KB
[   45.757319] ip_fib_alias               0KB          3KB
[   45.762695] ip_dst_cache               3KB          4KB
[   45.768071] RAW                        5KB          7KB
[   45.773444] UDP                       29KB         39KB
[   45.778816] TCP                        7KB          7KB
[   45.784188] hugetlbfs_inode_cache          1KB          7KB
[   45.789912] eventpoll_pwq             10KB         11KB
[   45.795292] eventpoll_epi             18KB         23KB
[   45.800664] inotify_inode_mark          3KB          7KB
[   45.806137] request_queue             37KB         91KB
[   45.811510] blkdev_ioc                21KB         23KB
[   45.817141] bio-0                    325KB        330KB
[   45.822521] biovec-(1<<(21-12))        453KB        453KB
[   45.828067] biovec-64                156KB        157KB
[   45.833440] biovec-16                 19KB         22KB
[   45.838809] bio_integrity_payload          0KB          4KB
[   45.844525] khugepaged_mm_slot          0KB          3KB
[   45.849990] uid_cache                  0KB          3KB
[   45.855355] dmaengine-unmap-2          0KB          3KB
[   45.860721] audit_buffer               0KB          3KB
[   45.866094] skbuff_fclone_cache        135KB        138KB
[   45.871644] skbuff_head_cache       1623KB       1623KB
[   45.877034] configfs_dir_cache          0KB          4KB
[   45.882491] file_lock_cache          160KB        162KB
[   45.887864] file_lock_ctx              1KB          3KB
[   45.893248] fsnotify_mark_connector          2KB          3KB
[   45.899141] shmem_inode_cache       1045KB       1046KB
[   45.904511] task_delay_info          318KB        320KB
[   45.909884] sigqueue                 367KB        374KB
[   45.915260] kernfs_node_cache       2288KB       2295KB
[   45.920631] mnt_cache                 15KB         16KB
[   45.926029] filp                    8288KB       8730KB
[   45.931407] names_cache           109951KB     109990KB
[   45.936790] avc_node                  37KB         39KB
[   45.942164] selinux_file_security        417KB        488KB
[   45.947885] selinux_inode_security       1954KB       1956KB
[   45.953688] key_jar                    3KB          7KB
[   45.959060] nsproxy                    0KB          3KB
[   45.964431] vm_area_struct         18664KB      18678KB
[   45.969800] mm_struct               4518KB       4531KB
[   45.975170] fs_cache                 425KB        432KB
[   45.980541] files_cache             1592KB       1597KB
[   45.985912] signal_cache            2538KB       2544KB
[   45.991284] sighand_cache            215KB        326KB
[   45.996655] task_struct            10835KB      10841KB
[   46.002043] cred_jar                2355KB       2360KB
[   46.007417] anon_vma_chain          7825KB       7835KB
[   46.012798] anon_vma                 128KB        338KB
[   46.018171] pid                      221KB        228KB
[   46.023543] Acpi-Operand             106KB        170KB
[   46.028922] Acpi-Namespace            19KB         23KB
[   46.034314] numa_policy                0KB          3KB
[   46.039686] debug_objects_cache        529KB        531KB
[   46.045234] trace_event_file         145KB        147KB
[   46.050606] ftrace_event_field        257KB        259KB
[   46.056065] pool_workqueue            24KB         28KB
[   46.061529] page->ptl               3098KB       3107KB
[   46.066960] kmalloc-262144          1032KB       1032KB
[   46.073320] kmalloc-131072           650KB        650KB
[   46.078707] kmalloc-65536            264KB        264KB
[   46.084081] kmalloc-32768            825KB        825KB
[   46.089452] kmalloc-16384            181KB        181KB
[   46.094823] kmalloc-8192             519KB        519KB
[   46.100195] kmalloc-4096            6353KB       6392KB
[   46.105569] kmalloc-2048            4796KB       4800KB
[   46.110957] kmalloc-1024            2856KB       2858KB
[   46.116329] kmalloc-512             2775KB       2782KB
[   46.121711] kmalloc-256             1916KB       2422KB
[   46.127086] kmalloc-128              406KB        507KB
[   46.132474] kmalloc-96              2072KB       2072KB
[   46.137832] kmalloc-64              2476KB       2476KB
[   46.143201] kmalloc-32              2390KB       2401KB
[   46.148602] kmalloc-192              912KB        912KB
[   46.153954] kmem_cache               100KB        105KB
[   46.159320] [ pid ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
[   46.167967] [ 1823]     0  1823     5385      182    86016        0         -1000 udevd
[   46.176197] [ 3502]     0  3502    14265      164   126976        0             0 rsyslogd
[   46.184615] [ 3557]     0  3557     4725       52    81920        0             0 cron
[   46.192680] [ 3560]     0  3560     3736       44    69632        0             0 mcstransd
[   46.201198] [ 3586]     0  3586    12490      152   135168        0         -1000 sshd
[   46.209602] [ 3627]     0  3627     3694       40    73728        0             0 getty
[   46.217753] [ 3628]     0  3628     3694       41    77824        0             0 getty
[   46.225915] [ 3629]     0  3629     3694       41    73728        0             0 getty
[   46.234073] [ 3630]     0  3630     3694       40    77824        0             0 getty
[   46.242222] [ 3631]     0  3631     3694       41    77824        0             0 getty
[   46.250374] [ 3632]     0  3632     3694       39    77824        0             0 getty
[   46.258533] [ 3633]     0  3633     3649       40    77824        0             0 getty
[   46.266711] [ 3638]     0  3638     5681      455    86016        0         -1000 udevd
[   46.274874] [ 3639]     0  3639     5681      455    86016        0         -1000 udevd
[   46.283059] [ 3655]     0  3655    17821      198   188416        0             0 sshd
[   46.291116] [ 3657]     0  3657      280        1    32768        0             0 syzkaller610764
[   46.300146] [ 3658]     0  3658     4375        0    32768        0             0 syzkaller610764
[   46.309169] [ 3659]     0  3659     4375        0    32768        0             0 syzkaller610764
[   46.318196] [ 3660]     0  3660     4375        0    32768        0             0 syzkaller610764
[   46.327220] [ 3661]     0  3661     4375        0    32768        0             0 syzkaller610764
[   46.336258] [ 3662]     0  3662     4375        0    32768        0             0 syzkaller610764
[   46.345279] [ 3663]     0  3663     4375        0    32768        0             0 syzkaller610764
[   46.354317] [ 3664]     0  3664     4375      522    36864        0             0 syzkaller610764
[   46.363341] [ 3665]     0  3665     4375      522    36864        0             0 syzkaller610764
[   46.372360] Out of memory: Kill process 3664 (syzkaller610764) score 0 or sacrifice child
[   46.380928] Killed process 3664 (syzkaller610764) total-vm:17500kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB
[   46.393735] oom_reaper: reaped process 3664 (syzkaller610764), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
[   46.404405] cron invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
[   46.415485] cron cpuset=/ mems_allowed=0
[   46.419565] CPU: 1 PID: 3557 Comm: cron Not tainted 4.15.0-rc7-mm1+ #56
[   46.426284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   46.435604] Call Trace:
[   46.438165]  dump_stack+0x194/0x257
[   46.441763]  ? arch_local_irq_restore+0x53/0x53
[   46.446407]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   46.451574]  dump_header+0x28c/0xe2b
[   46.455261]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   46.460425]  ? pagefault_out_of_memory+0x145/0x145
[   46.465328]  ? print_irqtrace_events+0x270/0x270
[   46.470058]  ? avc_has_perm_noaudit+0x37e/0x520
[   46.474697]  ? check_noncircular+0x20/0x20
[   46.478900]  ? check_noncircular+0x20/0x20
[   46.483131]  ? print_irqtrace_events+0x270/0x270
[   46.487880]  ? reacquire_held_locks+0x1f9/0x3e0
[   46.492536]  ? reacquire_held_locks+0x1f9/0x3e0
[   46.497200]  ? check_noncircular+0x20/0x20
[   46.501404]  ? task_will_free_mem+0x252/0xaa0
[   46.505865]  ? check_noncircular+0x20/0x20
[   46.510078]  ? print_irqtrace_events+0x270/0x270
[   46.514810]  ? ___ratelimit+0x30d/0x630
[   46.518771]  ? lock_downgrade+0x980/0x980
[   46.522888]  ? lock_release+0xa40/0xa40
[   46.526838]  ? mark_held_locks+0xaf/0x100
[   46.530954]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   46.536034]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   46.541023]  ? trace_hardirqs_on+0xd/0x10
[   46.545142]  ? ___ratelimit+0x95/0x630
[   46.548996]  ? idr_get_free_cmn+0xfd0/0xfd0
[   46.553287]  ? check_noncircular+0x20/0x20
[   46.557499]  oom_kill_process+0x81b/0x9f0
[   46.561614]  ? oom_badness+0xd1/0x980
[   46.565391]  ? lock_release+0xa40/0xa40
[   46.569337]  ? oom_kill_memcg_member+0x20/0x20
[   46.573888]  ? oom_evaluate_task+0x480/0x480
[   46.578269]  ? out_of_memory+0xe1c/0x1790
[   46.582384]  ? lock_downgrade+0x980/0x980
[   46.586502]  ? lock_release+0xa40/0xa40
[   46.590443]  ? find_next_bit+0xcc/0x100
[   46.594393]  ? oom_evaluate_task+0x284/0x480
[   46.598776]  out_of_memory+0x9d5/0x1790
[   46.602723]  ? oom_killer_disable+0x310/0x310
[   46.607192]  ? mutex_trylock+0x23a/0x2d0
[   46.611223]  ? __alloc_pages_slowpath+0xf63/0x2cc0
[   46.616118]  ? __lock_is_held+0xb6/0x140
[   46.620146]  ? __ww_mutex_wakeup_for_backoff+0x240/0x240
[   46.625575]  __alloc_pages_slowpath+0x1ce4/0x2cc0
[   46.630390]  ? trace_hardirqs_on+0xd/0x10
[   46.634519]  ? warn_alloc+0x2b0/0x2b0
[   46.638287]  ? lock_downgrade+0x980/0x980
[   46.642413]  ? radix_tree_lookup_slot+0x99/0xe0
[   46.647061]  ? find_get_entry+0x53c/0x9e0
[   46.651195]  ? __lock_acquire+0x664/0x3e00
[   46.655423]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   46.661281]  ? __might_sleep+0x95/0x190
[   46.665225]  __alloc_pages_nodemask+0x9fb/0xd80
[   46.669867]  ? __alloc_pages_slowpath+0x2cc0/0x2cc0
[   46.674852]  ? add_to_page_cache_lru+0x510/0x510
[   46.679579]  ? check_noncircular+0x20/0x20
[   46.683787]  ? check_noncircular+0x20/0x20
[   46.687996]  ? radix_tree_next_chunk+0x5e8/0xdf0
[   46.692749]  alloc_pages_current+0xb6/0x1e0
[   46.697043]  __page_cache_alloc+0x334/0x500
[   46.701333]  ? rcu_read_lock_held+0xa9/0xc0
[   46.705636]  ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490
[   46.712974]  filemap_fault+0xf34/0x1ca0
[   46.716922]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   46.722087]  ? __lock_page_or_retry+0x4f0/0x4f0
[   46.726730]  ? filemap_map_pages+0x942/0x15d0
[   46.731191]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   46.736366]  ? find_get_entries_tag+0xeb0/0xeb0
[   46.741003]  ? __lock_acquire+0x664/0x3e00
[   46.745214]  ? check_noncircular+0x20/0x20
[   46.749415]  ? __lock_acquire+0x664/0x3e00
[   46.753620]  ? print_irqtrace_events+0x270/0x270
[   46.758341]  ? print_irqtrace_events+0x270/0x270
[   46.763065]  ? print_irqtrace_events+0x270/0x270
[   46.767788]  ? print_irqtrace_events+0x270/0x270
[   46.772513]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   46.777673]  ? lock_acquire+0x1d5/0x580
[   46.781611]  ? lock_acquire+0x1d5/0x580
[   46.785550]  ? ext4_filemap_fault+0x7a/0xad
[   46.789850]  ? __lock_acquire+0x664/0x3e00
[   46.794065]  ? lock_release+0xa40/0xa40
[   46.798009]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   46.803869]  ? rcu_note_context_switch+0x710/0x710
[   46.808768]  ? __might_sleep+0x95/0x190
[   46.812713]  ? down_read+0x96/0x150
[   46.816305]  ? ext4_filemap_fault+0x7a/0xad
[   46.820592]  ? __down_interruptible+0x6b0/0x6b0
[   46.825242]  ext4_filemap_fault+0x82/0xad
[   46.829363]  __do_fault+0xeb/0x315
[   46.832872]  ? pte_offset_kernel+0xc7/0xc7
[   46.837075]  ? do_raw_spin_trylock+0x190/0x190
[   46.841634]  ? check_noncircular+0x20/0x20
[   46.845841]  __handle_mm_fault+0x1d8f/0x3ce0
[   46.850221]  ? __pmd_alloc+0x4e0/0x4e0
[   46.854077]  ? do_raw_spin_trylock+0x190/0x190
[   46.858631]  ? find_held_lock+0x35/0x1d0
[   46.862667]  ? handle_mm_fault+0x2a0/0x930
[   46.866870]  ? lock_downgrade+0x980/0x980
[   46.871009]  handle_mm_fault+0x38f/0x930
[   46.875041]  ? down_read_trylock+0xdb/0x170
[   46.879331]  ? __handle_mm_fault+0x3ce0/0x3ce0
[   46.883886]  ? vmacache_find+0x5f/0x280
[   46.887843]  ? find_vma+0x30/0x150
[   46.891363]  __do_page_fault+0x5c9/0xc90
[   46.895403]  ? mm_fault_error+0x2c0/0x2c0
[   46.899529]  do_page_fault+0xee/0x720
[   46.903298]  ? nanosleep_copyout+0x100/0x100
[   46.907674]  ? __do_page_fault+0xc90/0xc90
[   46.911882]  ? SYSC_newstat+0x99/0xf0
[   46.915651]  ? cp_new_stat+0xa40/0xa40
[   46.919513]  ? retint_user+0x18/0x18
[   46.923199]  ? page_fault+0x36/0x60
[   46.926811]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   46.931626]  ? page_fault+0x36/0x60
[   46.935225]  page_fault+0x4c/0x60
[   46.938644] RIP: 0033:0x403fc6
[   46.941801] RSP: 002b:00007ffeb0182900 EFLAGS: 00010207
[   46.947131] RAX: 0000000000000000 RBX: 00000000018191fa RCX: 00007fe3818a0c65
[   46.954376] RDX: 00007ffeb01829d0 RSI: 00007ffeb01829d0 RDI: 0000000000408244
[   46.961611] RBP: 00007ffeb0184cd0 R08: 0000000000000000 R09: 00000000000007e2
[   46.968854] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000004033c4
[   46.976093] R13: 00007ffeb0184df0 R14: 0000000000000000 R15: 0000000000000000
[   46.983480] Mem-Info:
[   46.986913] active_anon:2459 inactive_anon:64 isolated_anon:0
[   46.986913]  active_file:17 inactive_file:17 isolated_file:0
[   46.986913]  unevictable:0 dirty:0 writeback:0 unstable:0
[   46.986913]  slab_reclaimable:7317 slab_unreclaimable:82599
[   46.986913]  mapped:2 shmem:70 pagetables:306 bounce:0
[   46.986913]  free:19174 free_pcp:89 free_cma:0
[   47.018966] Node 0 active_anon:9836kB inactive_anon:256kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[   47.045695] 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
[   47.071837] lowmem_reserve[]: 0 2870 6381 6381
[   47.076463] Node 0 DMA32 free:40152kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942308kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:76kB local_pcp:0kB free_cma:0kB
[   47.103817] lowmem_reserve[]: 0 0 3510 3510
[   47.108177] Node 0 Normal free:20636kB min:37084kB low:46352kB high:55620kB active_anon:9808kB inactive_anon:252kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3040kB pagetables:1224kB bounce:0kB free_pcp:280kB local_pcp:76kB free_cma:0kB
[   47.137641] lowmem_reserve[]: 0 0 0 0
[   47.141492] 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
[   47.155577] Node 0 DMA32: 6*4kB (UME) 6*8kB (UME) 5*16kB (UME) 4*32kB (ME) 3*64kB (M) 6*128kB (UME) 6*256kB (UME) 5*512kB (UME) 4*1024kB (UME) 3*2048kB (ME) 6*4096kB (M) = 40152kB
[   47.172367] Node 0 Normal: 311*4kB (M) 270*8kB (UM) 191*16kB (UM) 119*32kB (UM) 58*64kB (ME) 10*128kB (M) 7*256kB (M) 3*512kB (M) 0*1024kB 1*2048kB (M) 0*4096kB = 20636kB
[   47.187938] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[   47.196522] 104 total pagecache pages
[   47.201236] 0 pages in swap cache
[   47.204704] Swap cache stats: add 0, delete 0, find 0/0
[   47.210078] Free swap  = 0kB
[   47.213108] Total swap = 0kB
[   47.216132] 1965979 pages RAM
[   47.219241] 0 pages HighMem/MovableOnly
[   47.223220] 327769 pages reserved
[   47.226677] Unreclaimable slab info:
[   47.230397] Name                      Used          Total
[   47.235933] hashtab_node             118KB        119KB
[   47.241307] ebitmap_node             382KB        385KB
[   47.246689] avtab_node              1012KB       1017KB
[   47.252067] TIPC                       1KB          7KB
[   47.257444] SCTPv6                     2KB          4KB
[   47.262822] DCCPv6                     2KB          7KB
[   47.268606] DCCP                       2KB          6KB
[   47.273996] fib6_nodes                 0KB          4KB
[   47.279356] ip6_dst_cache              6KB          7KB
[   47.284723] RAWv6                      9KB         13KB
[   47.290082] UDPv6                     12KB         14KB
[   47.295450] TCPv6                      2KB          5KB
[   47.300817] sd_ext_cdb                 0KB          3KB
[   47.306183] scsi_sense_cache          94KB        136KB
[   47.311555] virtio_scsi_cmd           16KB         16KB
[   47.316934] sgpool-128                 8KB          8KB
[   47.322313] sgpool-64                  4KB          6KB
[   47.327687] sgpool-32                112KB        118KB
[   47.333231] sgpool-16                 38KB         41KB
[   47.338604] sgpool-8                 191KB        195KB
[   47.343980] cfq_io_cq                 15KB         19KB
[   47.349353] cfq_queue                 25KB         30KB
[   47.355161] mqueue_inode_cache          1KB          7KB
[   47.360626] nfs_commit_data            3KB          7KB
[   47.366004] nfs_write_data            34KB         37KB
[   47.371406] jbd2_inode                 1KB          3KB
[   47.376778] ext4_system_zone           0KB          3KB
[   47.382159] bio-1                      1KB          3KB
[   47.387542] rpc_buffers               17KB         19KB
[   47.392914] rpc_tasks                  2KB          3KB
[   47.398293] UNIX                     780KB        780KB
[   47.404463] tcp_bind_bucket            0KB          4KB
[   47.409836] ip_fib_trie                0KB          3KB
[   47.415204] ip_fib_alias               0KB          3KB
[   47.420576] ip_dst_cache               3KB          4KB
[   47.425933] RAW                        5KB          7KB
[   47.431301] UDP                       29KB         39KB
[   47.436674] TCP                        7KB          7KB
[   47.442044] hugetlbfs_inode_cache          1KB          7KB
[   47.447760] eventpoll_pwq             10KB         11KB
[   47.453131] eventpoll_epi             18KB         23KB
[   47.458487] inotify_inode_mark          3KB          7KB
[   47.463937] request_queue             34KB         68KB
[   47.469313] blkdev_ioc                21KB         23KB
[   47.474667] bio-0                    325KB        330KB
[   47.480046] biovec-(1<<(21-12))        453KB        453KB
[   47.485593] biovec-64                156KB        157KB
[   47.490950] biovec-16                 18KB         22KB
[   47.496319] bio_integrity_payload          0KB          4KB
[   47.502038] khugepaged_mm_slot          0KB          3KB
[   47.507500] uid_cache                  0KB          3KB
[   47.512858] dmaengine-unmap-2          0KB          3KB
[   47.518223] audit_buffer               0KB          3KB
[   47.523595] skbuff_fclone_cache        135KB        138KB
[   47.529160] skbuff_head_cache       1623KB       1623KB
[   47.534531] configfs_dir_cache          0KB          4KB
[   47.540830] file_lock_cache          160KB        162KB
[   47.546205] file_lock_ctx              1KB          3KB
[   47.552569] fsnotify_mark_connector          2KB          3KB
[   47.558451] shmem_inode_cache       1045KB       1046KB
[   47.563822] task_delay_info          318KB        320KB
[   47.569183] sigqueue                 367KB        374KB
[   47.574551] kernfs_node_cache       2288KB       2295KB
[   47.579910] mnt_cache                 15KB         16KB
[   47.585283] filp                    8253KB       8707KB
[   47.590656] names_cache           109951KB     109981KB
[   47.596055] avc_node                  37KB         39KB
[   47.601426] selinux_file_security        413KB        488KB
[   47.607129] selinux_inode_security       1954KB       1956KB
[   47.612927] key_jar                    3KB          7KB
[   47.618300] nsproxy                    0KB          3KB
[   47.623659] vm_area_struct         18663KB      18678KB
[   47.629039] mm_struct               4518KB       4531KB
[   47.634412] fs_cache                 424KB        432KB
[   47.639769] files_cache             1592KB       1597KB
[   47.645131] signal_cache            2538KB       2544KB
[   47.650504] sighand_cache            212KB        319KB
[   47.655863] task_struct            10835KB      10835KB
[   47.661226] cred_jar                2355KB       2360KB
[   47.666599] anon_vma_chain          7823KB       7835KB
[   47.672709] anon_vma                 124KB        338KB
[   47.678087] pid                      221KB        228KB
[   47.683459] Acpi-Operand             106KB        170KB
[   47.688817] Acpi-Namespace            19KB         23KB
[   47.694183] numa_policy                0KB          3KB
[   47.699554] debug_objects_cache        529KB        531KB
[   47.705097] trace_event_file         145KB        147KB
[   47.710467] ftrace_event_field        257KB        259KB
[   47.715984] pool_workqueue            24KB         28KB
[   47.721361] page->ptl               3098KB       3107KB
[   47.726762] kmalloc-262144          1032KB       1032KB
[   47.732138] kmalloc-131072           650KB        650KB
[   47.737512] kmalloc-65536            264KB        264KB
[   47.742886] kmalloc-32768            825KB        825KB
[   47.748261] kmalloc-16384            181KB        181KB
[   47.753733] kmalloc-8192             519KB        519KB
[   47.759106] kmalloc-4096            6345KB       6375KB
[   47.764480] kmalloc-2048            4796KB       4800KB
[   47.769869] kmalloc-1024            2856KB       2858KB
[   47.775240] kmalloc-512             2775KB       2782KB
[   47.780618] kmalloc-256             1898KB       2400KB
[   47.785988] kmalloc-128              406KB        507KB
[   47.791361] kmalloc-96              2071KB       2072KB
[   47.796719] kmalloc-64              2475KB       2476KB
[   47.802844] kmalloc-32              2389KB       2401KB
[   47.808222] kmalloc-192              911KB        912KB
[   47.813596] kmem_cache               100KB        105KB
[   47.818950] [ pid ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
[   47.827553] [ 1823]     0  1823     5385      182    86016        0         -1000 udevd
[   47.835713] [ 3502]     0  3502    14265      164   126976        0             0 rsyslogd
[   47.844116] [ 3557]     0  3557     4725       52    81920        0             0 cron
[   47.852181] [ 3560]     0  3560     3736       44    69632        0             0 mcstransd
[   47.860693] [ 3586]     0  3586    12490      152   135168        0         -1000 sshd
[   47.868763] [ 3627]     0  3627     3694       40    73728        0             0 getty
[   47.876902] [ 3628]     0  3628     3694       41    77824        0             0 getty
[   47.885058] [ 3629]     0  3629     3694       41    73728        0             0 getty
[   47.893201] [ 3630]     0  3630     3694       40    77824        0             0 getty
[   47.901350] [ 3631]     0  3631     3694       41    77824        0             0 getty
[   47.909506] [ 3632]     0  3632     3694       39    77824        0             0 getty
[   47.917707] [ 3633]     0  3633     3649       40    77824        0             0 getty
[   47.925876] [ 3638]     0  3638     5681      455    86016        0         -1000 udevd
[   47.934050] [ 3639]     0  3639     5681      455    86016        0         -1000 udevd
[   47.942231] [ 3655]     0  3655    17821      198   188416        0             0 sshd
[   47.950310] [ 3657]     0  3657      280        1    32768        0             0 syzkaller610764
[   47.959344] [ 3658]     0  3658     4375        0    32768        0             0 syzkaller610764
[   47.968370] [ 3659]     0  3659     4375        0    32768        0             0 syzkaller610764
[   47.977403] [ 3660]     0  3660     4375        0    32768        0             0 syzkaller610764
[   47.986428] [ 3661]     0  3661     4375        0    32768        0             0 syzkaller610764
[   47.995459] [ 3662]     0  3662     4375        0    32768        0             0 syzkaller610764
[   48.004487] [ 3663]     0  3663     4375        0    32768        0             0 syzkaller610764
[   48.013516] [ 3664]     0  3664     4375        0    32768        0             0 syzkaller610764
[   48.022548] [ 3665]     0  3665     4375      522    36864        0             0 syzkaller610764
[   48.031582] Out of memory: Kill process 3665 (syzkaller610764) score 0 or sacrifice child
[   48.040706] Killed process 3665 (syzkaller610764) total-vm:17500kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB
[   48.053648] oom_reaper: reaped process 3665 (syzkaller610764), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
[   48.065520] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
[   48.076816] init cpuset=/ mems_allowed=0
[   48.080878] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc7-mm1+ #56
[   48.087332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   48.096648] Call Trace:
[   48.099205]  dump_stack+0x194/0x257
[   48.102811]  ? arch_local_irq_restore+0x53/0x53
[   48.107447]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   48.112612]  dump_header+0x28c/0xe2b
[   48.116297]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   48.121455]  ? pagefault_out_of_memory+0x145/0x145
[   48.126349]  ? __lock_acquire+0x664/0x3e00
[   48.130549]  ? print_irqtrace_events+0x270/0x270
[   48.135286]  ? check_noncircular+0x20/0x20
[   48.139492]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   48.144646]  ? check_noncircular+0x20/0x20
[   48.148847]  ? print_irqtrace_events+0x270/0x270
[   48.153577]  ? reacquire_held_locks+0x1f9/0x3e0
[   48.158209]  ? reacquire_held_locks+0x1f9/0x3e0
[   48.162844]  ? check_noncircular+0x20/0x20
[   48.167050]  ? task_will_free_mem+0x252/0xaa0
[   48.171516]  ? check_noncircular+0x20/0x20
[   48.175721]  ? print_irqtrace_events+0x270/0x270
[   48.180455]  ? ___ratelimit+0x30d/0x630
[   48.184399]  ? lock_downgrade+0x980/0x980
[   48.188523]  ? lock_release+0xa40/0xa40
[   48.192467]  ? mark_held_locks+0xaf/0x100
[   48.196581]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   48.201652]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   48.206634]  ? trace_hardirqs_on+0xd/0x10
[   48.210750]  ? ___ratelimit+0x95/0x630
[   48.214601]  ? idr_get_free_cmn+0xfd0/0xfd0
[   48.218888]  ? check_noncircular+0x20/0x20
[   48.223096]  oom_kill_process+0x81b/0x9f0
[   48.227211]  ? lock_release+0xa40/0xa40
[   48.231152]  ? oom_kill_memcg_member+0x20/0x20
[   48.235702]  ? oom_evaluate_task+0x480/0x480
[   48.240087]  ? out_of_memory+0xe1c/0x1790
[   48.244201]  ? lock_downgrade+0x980/0x980
[   48.248318]  ? lock_release+0xa40/0xa40
[   48.252255]  ? find_next_bit+0xcc/0x100
[   48.256202]  ? oom_evaluate_task+0x284/0x480
[   48.260580]  out_of_memory+0x9d5/0x1790
[   48.264527]  ? oom_killer_disable+0x310/0x310
[   48.268991]  ? mutex_trylock+0x23a/0x2d0
[   48.273020]  ? __alloc_pages_slowpath+0xf63/0x2cc0
[   48.277917]  ? __lock_is_held+0xb6/0x140
[   48.281942]  ? __ww_mutex_wakeup_for_backoff+0x240/0x240
[   48.287370]  __alloc_pages_slowpath+0x1ce4/0x2cc0
[   48.292189]  ? trace_hardirqs_on+0xd/0x10
[   48.296317]  ? warn_alloc+0x2b0/0x2b0
[   48.300081]  ? lock_downgrade+0x980/0x980
[   48.304208]  ? radix_tree_lookup_slot+0x99/0xe0
[   48.308853]  ? find_get_entry+0x53c/0x9e0
[   48.312967]  ? print_irqtrace_events+0x270/0x270
[   48.317704]  ? switched_to_fair+0xb0/0xb0
[   48.321827]  ? __lock_acquire+0x664/0x3e00
[   48.326057]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   48.331921]  ? __might_sleep+0x95/0x190
[   48.335864]  __alloc_pages_nodemask+0x9fb/0xd80
[   48.340507]  ? __alloc_pages_slowpath+0x2cc0/0x2cc0
[   48.345488]  ? add_to_page_cache_lru+0x510/0x510
[   48.350223]  ? check_noncircular+0x20/0x20
[   48.354423]  ? check_noncircular+0x20/0x20
[   48.358627]  ? find_held_lock+0x35/0x1d0
[   48.362658]  ? radix_tree_next_chunk+0x5e8/0xdf0
[   48.367399]  alloc_pages_current+0xb6/0x1e0
[   48.371690]  __page_cache_alloc+0x334/0x500
[   48.375983]  ? rcu_read_lock_held+0xa9/0xc0
[   48.380276]  ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490
[   48.387611]  filemap_fault+0xf34/0x1ca0
[   48.391553]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   48.396725]  ? __lock_page_or_retry+0x4f0/0x4f0
[   48.401359]  ? lock_downgrade+0x980/0x980
[   48.405480]  ? filemap_map_pages+0x942/0x15d0
[   48.409953]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   48.415029]  ? find_get_entries_tag+0xeb0/0xeb0
[   48.419669]  ? print_irqtrace_events+0x270/0x270
[   48.424393]  ? remove_wait_queue+0x1b4/0x350
[   48.428771]  ? check_noncircular+0x20/0x20
[   48.432969]  ? print_irqtrace_events+0x270/0x270
[   48.437687]  ? add_wait_queue+0x290/0x290
[   48.441819]  ? print_irqtrace_events+0x270/0x270
[   48.446539]  ? print_irqtrace_events+0x270/0x270
[   48.451262]  ? fput+0xd2/0x140
[   48.454423]  ? print_irqtrace_events+0x270/0x270
[   48.459156]  ? lock_acquire+0x1d5/0x580
[   48.463096]  ? lock_acquire+0x1d5/0x580
[   48.467038]  ? ext4_filemap_fault+0x7a/0xad
[   48.471327]  ? __lock_acquire+0x664/0x3e00
[   48.475531]  ? lock_release+0xa40/0xa40
[   48.479472]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   48.485326]  ? rcu_note_context_switch+0x710/0x710
[   48.490225]  ? __might_sleep+0x95/0x190
[   48.494170]  ? down_read+0x96/0x150
[   48.497773]  ? ext4_filemap_fault+0x7a/0xad
[   48.502065]  ? __down_interruptible+0x6b0/0x6b0
[   48.506702]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   48.511868]  ext4_filemap_fault+0x82/0xad
[   48.516002]  __do_fault+0xeb/0x315
[   48.519510]  ? pte_offset_kernel+0xc7/0xc7
[   48.523712]  ? set_fd_set.part.0+0x70/0x70
[   48.527926]  ? check_noncircular+0x20/0x20
[   48.532129]  ? check_noncircular+0x20/0x20
[   48.536510]  __handle_mm_fault+0x1d8f/0x3ce0
[   48.540891]  ? __pmd_alloc+0x4e0/0x4e0
[   48.544743]  ? find_held_lock+0x35/0x1d0
[   48.548774]  ? find_held_lock+0x35/0x1d0
[   48.552813]  ? handle_mm_fault+0x2a0/0x930
[   48.557014]  ? lock_downgrade+0x980/0x980
[   48.561153]  handle_mm_fault+0x38f/0x930
[   48.565180]  ? down_read_trylock+0xdb/0x170
[   48.569470]  ? __handle_mm_fault+0x3ce0/0x3ce0
[   48.574014]  ? vmacache_find+0x5f/0x280
[   48.577960]  ? find_vma+0x30/0x150
[   48.581481]  __do_page_fault+0x5c9/0xc90
[   48.585520]  ? mm_fault_error+0x2c0/0x2c0
[   48.589645]  do_page_fault+0xee/0x720
[   48.593412]  ? __do_page_fault+0xc90/0xc90
[   48.597617]  ? SyS_select+0x1ae/0x230
[   48.601390]  ? core_sys_select+0x960/0x960
[   48.605594]  ? entry_SYSCALL_64_fastpath+0x55/0xa0
[   48.610489]  ? page_fault+0x36/0x60
[   48.614086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   48.618897]  ? page_fault+0x36/0x60
[   48.622492]  page_fault+0x4c/0x60
[   48.625910] RIP: 0033:0x7fb811b9edd3
[   48.629587] RSP: 002b:00007ffc20905038 EFLAGS: 00010246
[   48.634915] RAX: 0000000000000000 RBX: 00007ffc209051e0 RCX: 00007fb811b9edd3
[   48.642151] RDX: 0000000000000000 RSI: 00007ffc20905390 RDI: 000000000000000b
[   48.649389] RBP: 00007ffc20905390 R08: 00007ffc20905410 R09: 0000000000000001
[   48.656626] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[   48.663864] R13: 00007ffc20905770 R14: 0000000000000000 R15: 0000000000000000
[   48.671209] Mem-Info:
[   48.673755] active_anon:1942 inactive_anon:64 isolated_anon:0
[   48.673755]  active_file:25 inactive_file:9 isolated_file:24
[   48.673755]  unevictable:0 dirty:0 writeback:0 unstable:0
[   48.673755]  slab_reclaimable:7317 slab_unreclaimable:82598
[   48.673755]  mapped:2 shmem:70 pagetables:305 bounce:0
[   48.673755]  free:19686 free_pcp:95 free_cma:0
[   48.705780] Node 0 active_anon:7768kB inactive_anon:256kB active_file:100kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):96kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[   48.732424] 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
[   48.758861] lowmem_reserve[]: 0 2870 6381 6381
[   48.763453] Node 0 DMA32 free:40152kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942308kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:76kB local_pcp:76kB free_cma:0kB
[   48.791258] lowmem_reserve[]: 0 0 3510 3510
[   48.796298] Node 0 Normal free:22684kB min:37084kB low:46352kB high:55620kB active_anon:7740kB inactive_anon:252kB active_file:160kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3040kB pagetables:1220kB bounce:0kB free_pcp:304kB local_pcp:204kB free_cma:0kB
[   48.825766] lowmem_reserve[]: 0 0 0 0
[   48.830469] 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
[   48.844627] Node 0 DMA32: 6*4kB (UME) 6*8kB (UME) 5*16kB (UME) 4*32kB (ME) 3*64kB (M) 6*128kB (UME) 6*256kB (UME) 5*512kB (UME) 4*1024kB (UME) 3*2048kB (ME) 6*4096kB (M) = 40152kB
[   48.861790] Node 0 Normal: 311*4kB (M) 270*8kB (UM) 191*16kB (UM) 119*32kB (UM) 58*64kB (ME) 10*128kB (M) 7*256kB (M) 3*512kB (M) 0*1024kB 2*2048kB (M) 0*4096kB = 22684kB
[   48.879379] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[   48.888939] 104 total pagecache pages
[   48.893594] 0 pages in swap cache
[   48.897931] Swap cache stats: add 0, delete 0, find 0/0
[   48.904229] Free swap  = 0kB
[   48.908185] Total swap = 0kB
[   48.912148] 1965979 pages RAM
[   48.916196] 0 pages HighMem/MovableOnly
[   48.921104] 327769 pages reserved
[   48.925394] Unreclaimable slab info:
[   48.929796] Name                      Used          Total
[   48.936282] hashtab_node             118KB        119KB
[   48.942251] ebitmap_node             382KB        385KB
[   48.948202] avtab_node              1012KB       1017KB
[   48.954102] TIPC                       1KB          7KB
[   48.959955] SCTPv6                     2KB          4KB
[   48.965888] DCCPv6                     2KB          7KB
[   48.971857] DCCP                       2KB          6KB
[   48.977857] fib6_nodes                 0KB          4KB
[   48.983840] ip6_dst_cache              6KB          7KB
[   48.989849] RAWv6                      9KB         13KB
[   48.995836] UDPv6                     12KB         14KB
[   49.001836] TCPv6                      2KB          5KB
[   49.007855] sd_ext_cdb                 0KB          3KB
[   49.013843] scsi_sense_cache          93KB        136KB
[   49.019840] virtio_scsi_cmd           16KB         16KB
[   49.026104] sgpool-128                 8KB          8KB
[   49.031947] sgpool-64                  4KB          6KB
[   49.037306] sgpool-32                112KB        118KB
[   49.042653] sgpool-16                 38KB         41KB
[   49.047996] sgpool-8                 191KB        195KB
[   49.053344] cfq_io_cq                 15KB         19KB
[   49.058736] cfq_queue                 24KB         30KB
[   49.064088] mqueue_inode_cache          1KB          7KB
[   49.069522] nfs_commit_data            3KB          7KB
[   49.074867] nfs_write_data            34KB         37KB
[   49.080211] jbd2_inode                 1KB          3KB
[   49.085562] ext4_system_zone           0KB          3KB
[   49.090914] bio-1                      1KB          3KB
[   49.096263] rpc_buffers               17KB         19KB
[   49.101612] rpc_tasks                  2KB          3KB
[   49.106959] UNIX                     780KB        780KB
[   49.112304] tcp_bind_bucket            0KB          4KB
[   49.117650] ip_fib_trie                0KB          3KB
[   49.122994] ip_fib_alias               0KB          3KB
[   49.128348] ip_dst_cache               3KB          4KB
[   49.133693] RAW                        5KB          7KB
[   49.139058] UDP                       29KB         39KB
[   49.144414] TCP                        7KB          7KB
[   49.149758] hugetlbfs_inode_cache          1KB          7KB
[   49.155856] eventpoll_pwq             10KB         11KB
[   49.161202] eventpoll_epi             18KB         23KB
[   49.166547] inotify_inode_mark          3KB          7KB
[   49.171979] request_queue             34KB         68KB
[   49.177323] blkdev_ioc                21KB         23KB
[   49.182671] bio-0                    324KB        330KB
[   49.188023] biovec-(1<<(21-12))        453KB        453KB
[   49.193563] biovec-64                156KB        157KB
[   49.198905] biovec-16                 18KB         22KB
[   49.204262] bio_integrity_payload          0KB          4KB
[   49.209956] khugepaged_mm_slot          0KB          3KB
[   49.215395] uid_cache                  0KB          3KB
[   49.220750] dmaengine-unmap-2          0KB          3KB
[   49.226103] audit_buffer               0KB          3KB
[   49.231450] skbuff_fclone_cache        135KB        138KB
[   49.236968] skbuff_head_cache       1620KB       1623KB
[   49.242317] configfs_dir_cache          0KB          4KB
[   49.247752] file_lock_cache          160KB        162KB
[   49.253096] file_lock_ctx              1KB          3KB
[   49.258447] fsnotify_mark_connector          2KB          3KB
[   49.264315] shmem_inode_cache       1045KB       1046KB
[   49.269660] task_delay_info          318KB        320KB
[   49.275021] sigqueue                 367KB        374KB
[   49.280365] kernfs_node_cache       2288KB       2295KB
[   49.285710] mnt_cache                 15KB         16KB
[   49.291465] filp                    8251KB       8707KB
[   49.296810] names_cache           109951KB     109981KB
[   49.302159] avc_node                  37KB         39KB
[   49.307503] selinux_file_security        413KB        488KB
[   49.313192] selinux_inode_security       1954KB       1956KB
[   49.318969] key_jar                    3KB          7KB
[   49.324314] nsproxy                    0KB          3KB
[   49.329656] vm_area_struct         18663KB      18678KB
[   49.335000] mm_struct               4518KB       4531KB
[   49.340359] fs_cache                 424KB        432KB
[   49.345712] files_cache             1592KB       1597KB
[   49.351072] signal_cache            2538KB       2544KB
[   49.356426] sighand_cache            212KB        319KB
[   49.361780] task_struct            10835KB      10835KB
[   49.367127] cred_jar                2355KB       2360KB
[   49.372472] anon_vma_chain          7823KB       7835KB
[   49.377815] anon_vma                 123KB        338KB
[   49.383161] pid                      221KB        228KB
[   49.388503] Acpi-Operand             106KB        170KB
[   49.393854] Acpi-Namespace            19KB         23KB
[   49.399198] numa_policy                0KB          3KB
[   49.404539] debug_objects_cache        529KB        531KB
[   49.410060] trace_event_file         145KB        147KB
[   49.415409] ftrace_event_field        257KB        259KB
[   49.420838] pool_workqueue            24KB         28KB
[   49.426592] page->ptl               3098KB       3107KB
[   49.431949] kmalloc-262144          1032KB       1032KB
[   49.437292] kmalloc-131072           650KB        650KB
[   49.442634] kmalloc-65536            264KB        264KB
[   49.447987] kmalloc-32768            825KB        825KB
[   49.453335] kmalloc-16384            181KB        181KB
[   49.458684] kmalloc-8192             519KB        519KB
[   49.464029] kmalloc-4096            6345KB       6375KB
[   49.469373] kmalloc-2048            4796KB       4800KB
[   49.474723] kmalloc-1024            2856KB       2858KB
[   49.480069] kmalloc-512             2775KB       2782KB
[   49.485427] kmalloc-256             1897KB       2400KB
[   49.490772] kmalloc-128              406KB        507KB
[   49.496118] kmalloc-96              2068KB       2072KB
[   49.501461] kmalloc-64              2475KB       2476KB
[   49.506802] kmalloc-32              2388KB       2401KB
[   49.512146] kmalloc-192              911KB        912KB
[   49.517490] kmem_cache               100KB        105KB
[   49.522834] [ pid ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
[   49.531409] [ 1823]     0  1823     5385      182    86016        0         -1000 udevd
[   49.539552] [ 3502]     0  3502    14265      164   126976        0             0 rsyslogd
[   49.548385] [ 3557]     0  3557     4725       52    81920        0             0 cron
[   49.556432] [ 3560]     0  3560     3736       44    69632        0             0 mcstransd
[   49.564928] [ 3586]     0  3586    12490      152   135168        0         -1000 sshd
[   49.572986] [ 3627]     0  3627     3694       40    73728        0             0 getty
[   49.581131] [ 3628]     0  3628     3694       41    77824        0             0 getty
[   49.589274] [ 3629]     0  3629     3694       41    73728        0             0 getty
[   49.597416] [ 3630]     0  3630     3694       40    77824        0             0 getty
[   49.605558] [ 3631]     0  3631     3694       41    77824        0             0 getty
[   49.613693] [ 3632]     0  3632     3694       39    77824        0             0 getty
[   49.621830] [ 3633]     0  3633     3649       40    77824        0             0 getty
[   49.629969] [ 3638]     0  3638     5681      455    86016        0         -1000 udevd
[   49.638122] [ 3639]     0  3639     5681      455    86016        0         -1000 udevd
[   49.646260] [ 3655]     0  3655    17821      198   188416        0             0 sshd
[   49.654311] [ 3657]     0  3657      280        1    32768        0             0 syzkaller610764
[   49.663322] [ 3658]     0  3658     4375        0    32768        0             0 syzkaller610764
[   49.672333] [ 3659]     0  3659     4375        0    32768        0             0 syzkaller610764
[   49.681337] [ 3660]     0  3660     4375        0    32768        0             0 syzkaller610764
[   49.690341] [ 3661]     0  3661     4375        0    32768        0             0 syzkaller610764
[   49.699345] [ 3662]     0  3662     4375        0    32768        0             0 syzkaller610764
[   49.708353] [ 3663]     0  3663     4375        0    32768        0             0 syzkaller610764
[   49.717358] [ 3664]     0  3664     4375        0    32768        0             0 syzkaller610764
[   49.726364] [ 3665]     0  3665     4375        0    32768        0             0 syzkaller610764
[   49.735371] Out of memory: Kill process 3655 (sshd) score 0 or sacrifice child
[   49.743115] Killed process 3657 (syzkaller610764) total-vm:1120kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB
[   49.767446] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
[   49.778857] rsyslogd cpuset=/ mems_allowed=0
[   49.783267] CPU: 0 PID: 3505 Comm: rsyslogd Not tainted 4.15.0-rc7-mm1+ #56
[   49.790331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.799649] Call Trace:
[   49.802207]  dump_stack+0x194/0x257
[   49.805804]  ? arch_local_irq_restore+0x53/0x53
[   49.810441]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   49.815605]  dump_header+0x28c/0xe2b
[   49.819292]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   49.824451]  ? pagefault_out_of_memory+0x145/0x145
[   49.829349]  ? __lock_acquire+0x664/0x3e00
[   49.833552]  ? print_irqtrace_events+0x270/0x270
[   49.838281]  ? check_noncircular+0x20/0x20
[   49.842481]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   49.847639]  ? check_noncircular+0x20/0x20
[   49.851839]  ? print_irqtrace_events+0x270/0x270
[   49.856565]  ? reacquire_held_locks+0x1f9/0x3e0
[   49.861201]  ? reacquire_held_locks+0x1f9/0x3e0
[   49.865842]  ? check_noncircular+0x20/0x20
[   49.870047]  ? task_will_free_mem+0x252/0xaa0
[   49.874511]  ? check_noncircular+0x20/0x20
[   49.878721]  ? print_irqtrace_events+0x270/0x270
[   49.883463]  ? ___ratelimit+0x30d/0x630
[   49.887421]  ? lock_downgrade+0x980/0x980
[   49.891558]  ? lock_release+0xa40/0xa40
[   49.895527]  ? mark_held_locks+0xaf/0x100
[   49.899661]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   49.904744]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   49.909741]  ? trace_hardirqs_on+0xd/0x10
[   49.913880]  ? ___ratelimit+0x95/0x630
[   49.917746]  ? idr_get_free_cmn+0xfd0/0xfd0
[   49.922045]  ? check_noncircular+0x20/0x20
[   49.926259]  oom_kill_process+0x81b/0x9f0
[   49.930381]  ? lock_release+0xa40/0xa40
[   49.934329]  ? oom_kill_memcg_member+0x20/0x20
[   49.938884]  ? oom_evaluate_task+0x480/0x480
[   49.943283]  ? out_of_memory+0xe1c/0x1790
[   49.947416]  ? lock_downgrade+0x980/0x980
[   49.951555]  ? lock_release+0xa40/0xa40
[   49.955514]  ? find_next_bit+0xcc/0x100
[   49.959488]  ? oom_evaluate_task+0x284/0x480
[   49.963878]  out_of_memory+0x9d5/0x1790
[   49.967846]  ? oom_killer_disable+0x310/0x310
[   49.972321]  ? mutex_trylock+0x23a/0x2d0
[   49.976349]  ? __alloc_pages_slowpath+0xf63/0x2cc0
[   49.981255]  ? __lock_is_held+0xb6/0x140
[   49.985301]  ? __ww_mutex_wakeup_for_backoff+0x240/0x240
[   49.990745]  __alloc_pages_slowpath+0x1ce4/0x2cc0
[   49.995583]  ? trace_hardirqs_on+0xd/0x10
[   49.999747]  ? warn_alloc+0x2b0/0x2b0
[   50.003532]  ? lock_downgrade+0x980/0x980
[   50.007678]  ? radix_tree_lookup_slot+0x99/0xe0
[   50.012337]  ? find_get_entry+0x53c/0x9e0
[   50.016474]  ? __lock_acquire+0x664/0x3e00
[   50.020706]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   50.026574]  ? __might_sleep+0x95/0x190
[   50.030526]  __alloc_pages_nodemask+0x9fb/0xd80
[   50.035187]  ? __alloc_pages_slowpath+0x2cc0/0x2cc0
[   50.040188]  ? add_to_page_cache_lru+0x510/0x510
[   50.044922]  ? check_noncircular+0x20/0x20
[   50.049132]  ? check_noncircular+0x20/0x20
[   50.053363]  ? radix_tree_next_chunk+0x5e8/0xdf0
[   50.058111]  alloc_pages_current+0xb6/0x1e0
[   50.062408]  __page_cache_alloc+0x334/0x500
[   50.066697]  ? rcu_read_lock_held+0xa9/0xc0
[   50.070988]  ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490
[   50.078947]  filemap_fault+0xf34/0x1ca0
[   50.082895]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   50.088066]  ? __lock_page_or_retry+0x4f0/0x4f0
[   50.092709]  ? filemap_map_pages+0x942/0x15d0
[   50.097201]  ? find_get_entries_tag+0xeb0/0xeb0
[   50.101859]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   50.107030]  ? check_noncircular+0x20/0x20
[   50.111258]  ? print_irqtrace_events+0x270/0x270
[   50.115994]  ? print_irqtrace_events+0x270/0x270
[   50.120716]  ? print_irqtrace_events+0x270/0x270
[   50.125474]  ? lock_acquire+0x1d5/0x580
[   50.129426]  ? lock_acquire+0x1d5/0x580
[   50.133379]  ? ext4_filemap_fault+0x7a/0xad
[   50.137686]  ? __lock_acquire+0x664/0x3e00
[   50.141897]  ? lock_release+0xa40/0xa40
[   50.145845]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   50.151717]  ? rcu_note_context_switch+0x710/0x710
[   50.156626]  ? __might_sleep+0x95/0x190
[   50.160573]  ? down_read+0x96/0x150
[   50.164166]  ? ext4_filemap_fault+0x7a/0xad
[   50.168455]  ? __down_interruptible+0x6b0/0x6b0
[   50.173115]  ext4_filemap_fault+0x82/0xad
[   50.177249]  __do_fault+0xeb/0x315
[   50.180777]  ? pte_offset_kernel+0xc7/0xc7
[   50.184980]  ? lock_release+0xa40/0xa40
[   50.188925]  ? compat_start_thread+0x80/0x80
[   50.193308]  ? do_raw_spin_trylock+0x190/0x190
[   50.197870]  ? _raw_spin_unlock_irq+0x27/0x70
[   50.202420]  ? check_noncircular+0x20/0x20
[   50.206634]  __handle_mm_fault+0x1d8f/0x3ce0
[   50.211024]  ? __pmd_alloc+0x4e0/0x4e0
[   50.214895]  ? find_held_lock+0x35/0x1d0
[   50.218932]  ? handle_mm_fault+0x2a0/0x930
[   50.223146]  ? lock_downgrade+0x980/0x980
[   50.227316]  handle_mm_fault+0x38f/0x930
[   50.231354]  ? down_read_trylock+0xdb/0x170
[   50.235663]  ? __handle_mm_fault+0x3ce0/0x3ce0
[   50.240217]  ? vmacache_find+0x5f/0x280
[   50.244160]  ? find_vma+0x30/0x150
[   50.247683]  __do_page_fault+0x5c9/0xc90
[   50.251724]  ? vfs_copy_file_range+0x940/0x940
[   50.256305]  ? mm_fault_error+0x2c0/0x2c0
[   50.260431]  ? avc_policy_seqno+0x9/0x20
[   50.264465]  ? exit_to_usermode_loop+0x8c/0x2f0
[   50.269117]  do_page_fault+0xee/0x720
[   50.272892]  ? trace_hardirqs_off+0xd/0x10
[   50.277102]  ? __do_page_fault+0xc90/0xc90
[   50.281321]  ? trace_event_raw_event_sys_exit+0x260/0x260
[   50.286838]  ? fput+0xd2/0x140
[   50.290004]  ? retint_user+0x18/0x18
[   50.293700]  ? page_fault+0x36/0x60
[   50.297313]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   50.302134]  ? page_fault+0x36/0x60
[   50.305740]  page_fault+0x4c/0x60
[   50.309175] RIP: 0033:0x7f0cab2e5190
[   50.312859] RSP: 002b:00007f0ca8889d08 EFLAGS: 00010202
[   50.318191] RAX: 0000000000000000 RBX: 00000000019b7120 RCX: 0000000000000001
[   50.325432] RDX: 0000000000000000 RSI: 00007f0ca8889d14 RDI: 00000000019b6b80
[   50.332675] RBP: 0000000000000001 R08: 00007f0ca9ebc50c R09: 00007f0caac68e00
[   50.339913] R10: 0000000000000011 R11: 00007f0caac9aa50 R12: 00000000019cd2a0
[   50.347155] R13: 0000000000000009 R14: 0000000000000f65 R15: 00007f0caa0be62e
[   50.354514] Mem-Info:
[   50.357292] active_anon:1932 inactive_anon:64 isolated_anon:0
[   50.357292]  active_file:33 inactive_file:0 isolated_file:0
[   50.357292]  unevictable:0 dirty:0 writeback:0 unstable:0
[   50.357292]  slab_reclaimable:7317 slab_unreclaimable:82598
[   50.357292]  mapped:2 shmem:70 pagetables:301 bounce:0
[   50.357292]  free:19694 free_pcp:113 free_cma:0
[   50.390334] Node 0 active_anon:7728kB inactive_anon:256kB active_file:132kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[   50.417592] 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
[   50.445389] lowmem_reserve[]: 0 2870 6381 6381
[   50.450935] Node 0 DMA32 free:40152kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942308kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:76kB local_pcp:76kB free_cma:0kB
[   50.478903] lowmem_reserve[]: 0 0 3510 3510
[   50.484187] Node 0 Normal free:22716kB min:37084kB low:46352kB high:55620kB active_anon:7700kB inactive_anon:252kB active_file:136kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3008kB pagetables:1204kB bounce:0kB free_pcp:376kB local_pcp:204kB free_cma:0kB
[   50.513954] lowmem_reserve[]: 0 0 0 0
[   50.518476] 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
[   50.532114] Node 0 DMA32: 6*4kB (UME) 6*8kB (UME) 5*16kB (UME) 4*32kB (ME) 3*64kB (M) 6*128kB (UME) 6*256kB (UME) 5*512kB (UME) 4*1024kB (UME) 3*2048kB (ME) 6*4096kB (M) = 40152kB
[   50.548341] Node 0 Normal: 311*4kB (M) 270*8kB (UM) 191*16kB (UM) 120*32kB (UM) 58*64kB (ME) 10*128kB (M) 7*256kB (M) 3*512kB (M) 0*1024kB 2*2048kB (M) 0*4096kB = 22716kB
[   50.563821] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[   50.572405] 104 total pagecache pages
[   50.576223] 0 pages in swap cache
[   50.579687] Swap cache stats: add 0, delete 0, find 0/0
[   50.585045] Free swap  = 0kB
[   50.588068] Total swap = 0kB
[   50.591089] 1965979 pages RAM
[   50.594195] 0 pages HighMem/MovableOnly
[   50.598158] 327769 pages reserved
[   50.601611] Unreclaimable slab info:
[   50.605330] Name                      Used          Total
[   50.610868] hashtab_node             118KB        119KB
[   50.617234] ebitmap_node             382KB        385KB
[   50.622619] avtab_node              1012KB       1017KB
[   50.628301] TIPC                       1KB          7KB
[   50.634546] SCTPv6                     2KB          4KB
[   50.640893] DCCPv6                     2KB          7KB
[   50.647228] DCCP                       2KB          6KB
[   50.653226] fib6_nodes                 0KB          4KB
[   50.659553] ip6_dst_cache              5KB          7KB
[   50.665847] RAWv6                      9KB         13KB
[   50.671880] UDPv6                     12KB         14KB
[   50.677951] TCPv6                      2KB          5KB
[   50.683991] sd_ext_cdb                 0KB          3KB
[   50.690097] scsi_sense_cache          93KB        136KB
[   50.695948] virtio_scsi_cmd           16KB         16KB
[   50.702240] sgpool-128                 8KB          8KB
[   50.708183] sgpool-64                  4KB          6KB
[   50.714823] sgpool-32                112KB        118KB
[   50.721183] sgpool-16                 38KB         41KB
[   50.727062] sgpool-8                 191KB        195KB
[   50.732908] cfq_io_cq                 15KB         19KB
[   50.738745] cfq_queue                 24KB         30KB
[   50.744584] mqueue_inode_cache          1KB          7KB
[   50.750523] nfs_commit_data            3KB          7KB
[   50.756092] nfs_write_data            34KB         37KB
[   50.761477] jbd2_inode                 1KB          3KB
[   50.766832] ext4_system_zone           0KB          3KB
[   50.772939] bio-1                      1KB          3KB
[   50.778809] rpc_buffers               17KB         19KB
[   50.784645] rpc_tasks                  2KB          3KB
[   50.790513] UNIX                     780KB        780KB
[   50.796081] tcp_bind_bucket            0KB          4KB
[   50.801449] ip_fib_trie                0KB          3KB
[   50.806814] ip_fib_alias               0KB          3KB
[   50.812179] ip_dst_cache               3KB          4KB
[   50.817536] RAW                        5KB          7KB
[   50.822885] UDP                       29KB         39KB
[   50.828907] TCP                        7KB          7KB
[   50.835243] hugetlbfs_inode_cache          1KB          7KB
[   50.841859] eventpoll_pwq             10KB         11KB
[   50.848172] eventpoll_epi             18KB         23KB
[   50.854127] inotify_inode_mark          3KB          7KB
[   50.860855] request_queue             34KB         68KB
[   50.866234] blkdev_ioc                21KB         23KB
[   50.871604] bio-0                    324KB        330KB
[   50.876973] biovec-(1<<(21-12))        453KB        453KB
[   50.882614] biovec-64                156KB        157KB
[   50.887989] biovec-16                 18KB         22KB
[   50.893362] bio_integrity_payload          0KB          4KB
[   50.899079] khugepaged_mm_slot          0KB          3KB
[   50.905259] uid_cache                  0KB          3KB
[   50.910725] dmaengine-unmap-2          0KB          3KB
[   50.916094] audit_buffer               0KB          3KB
[   50.921462] skbuff_fclone_cache        135KB        138KB
[   50.927040] skbuff_head_cache       1620KB       1623KB
[   50.932408] configfs_dir_cache          0KB          4KB
[   50.937864] file_lock_cache          160KB        162KB
[   50.943784] file_lock_ctx              1KB          3KB
[   50.950886] fsnotify_mark_connector          2KB          3KB
[   50.958519] shmem_inode_cache       1045KB       1046KB
[   50.965133] task_delay_info          318KB        320KB
[   50.971379] sigqueue                 371KB        374KB
[   50.977633] kernfs_node_cache       2288KB       2295KB
[   50.983863] mnt_cache                 15KB         16KB
[   50.990167] filp                    8250KB       8707KB
[   50.996421] names_cache           109951KB     109981KB
[   51.002682] avc_node                  37KB         39KB
[   51.008927] selinux_file_security        413KB        488KB
[   51.015497] selinux_inode_security       1954KB       1956KB
[   51.022370] key_jar                    3KB          7KB
[   51.028621] nsproxy                    0KB          3KB
[   51.035598] vm_area_struct         18663KB      18678KB
[   51.041858] mm_struct               4518KB       4531KB
[   51.047930] fs_cache                 424KB        432KB
[   51.053304] files_cache             1592KB       1597KB
[   51.058680] signal_cache            2538KB       2544KB
[   51.064047] sighand_cache            212KB        319KB
[   51.069418] task_struct            10835KB      10835KB
[   51.074789] cred_jar                2355KB       2360KB
[   51.080163] anon_vma_chain          7823KB       7835KB
[   51.085535] anon_vma                 123KB        338KB
[   51.090895] pid                      221KB        228KB
[   51.096259] Acpi-Operand             106KB        170KB
[   51.101636] Acpi-Namespace            19KB         23KB
[   51.107097] numa_policy                0KB          3KB
[   51.112476] debug_objects_cache        529KB        531KB
[   51.118032] trace_event_file         145KB        147KB
[   51.123405] ftrace_event_field        257KB        259KB
[   51.128945] pool_workqueue            24KB         28KB
[   51.134328] page->ptl               3098KB       3107KB
[   51.139723] kmalloc-262144          1032KB       1032KB
[   51.145097] kmalloc-131072           650KB        650KB
[   51.150463] kmalloc-65536            264KB        264KB
[   51.155845] kmalloc-32768            825KB        825KB
[   51.161216] kmalloc-16384            181KB        181KB
[   51.166587] kmalloc-8192             519KB        519KB
[   51.172736] kmalloc-4096            6345KB       6375KB
[   51.178107] kmalloc-2048            4796KB       4800KB
[   51.183483] kmalloc-1024            2856KB       2858KB
[   51.188867] kmalloc-512             2775KB       2782KB
[   51.194234] kmalloc-256             1896KB       2400KB
[   51.199603] kmalloc-128              406KB        507KB
[   51.204990] kmalloc-96              2068KB       2072KB
[   51.210359] kmalloc-64              2475KB       2476KB
[   51.215727] kmalloc-32              2388KB       2401KB
[   51.221096] kmalloc-192              911KB        912KB
[   51.226464] kmem_cache               100KB        105KB
[   51.231830] [ pid ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
[   51.240438] [ 1823]     0  1823     5385      182    86016        0         -1000 udevd
[   51.248597] [ 3502]     0  3502    14265      164   126976        0             0 rsyslogd
[   51.257056] [ 3557]     0  3557     4725       52    81920        0             0 cron
[   51.265129] [ 3560]     0  3560     3736       44    69632        0             0 mcstransd
[   51.273632] [ 3586]     0  3586    12490      152   135168        0         -1000 sshd
[   51.281707] [ 3627]     0  3627     3694       40    73728        0             0 getty
[   51.289865] [ 3628]     0  3628     3694       41    77824        0             0 getty
[   51.298032] [ 3629]     0  3629     3694       41    73728        0             0 getty
[   51.306218] [ 3630]     0  3630     3694       40    77824        0             0 getty
[   51.314383] [ 3631]     0  3631     3694       41    77824        0             0 getty
[   51.322546] [ 3632]     0  3632     3694       39    77824        0             0 getty
[   51.330723] [ 3633]     0  3633     3649       40    77824        0             0 getty
[   51.338884] [ 3638]     0  3638     5681      455    86016        0         -1000 udevd
[   51.347053] [ 3639]     0  3639     5681      455    86016        0         -1000 udevd
[   51.355214] [ 3655]     0  3655    17821      198   188416        0             0 sshd
[   51.363293] [ 3658]     0  3658     4375        0    32768        0             0 syzkaller610764
[   51.372322] [ 3659]     0  3659     4375        0    32768        0             0 syzkaller610764
[   51.381364] [ 3660]     0  3660     4375        0    32768        0             0 syzkaller610764
[   51.390403] [ 3661]     0  3661     4375        0    32768        0             0 syzkaller610764
[   51.399433] [ 3662]     0  3662     4375        0    32768        0             0 syzkaller610764
[   51.408464] [ 3663]     0  3663     4375        0    32768        0             0 syzkaller610764
[   51.417489] [ 3664]     0  3664     4375        0    32768        0             0 syzkaller610764
[   51.426515] [ 3665]     0  3665     4375        0    32768        0             0 syzkaller610764
[   51.435538] Out of memory: Kill process 3655 (sshd) score 0 or sacrifice child
[   51.442953] Killed process 3655 (sshd) total-vm:71284kB, anon-rss:788kB, file-rss:0kB, shmem-rss:4kB
[   51.455341] oom_reaper: reaped process 3655 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB
[   51.465075] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
[   51.476441] rsyslogd cpuset=/ mems_allowed=0
[   51.480884] CPU: 1 PID: 3505 Comm: rsyslogd Not tainted 4.15.0-rc7-mm1+ #56
[   51.487964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   51.497297] Call Trace:
[   51.499876]  dump_stack+0x194/0x257
[   51.503491]  ? arch_local_irq_restore+0x53/0x53
[   51.508151]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   51.513342]  dump_header+0x28c/0xe2b
[   51.517052]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   51.522235]  ? pagefault_out_of_memory+0x145/0x145
[   51.527146]  ? __lock_acquire+0x664/0x3e00
[   51.531366]  ? print_irqtrace_events+0x270/0x270
[   51.536120]  ? check_noncircular+0x20/0x20
[   51.540335]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   51.545507]  ? check_noncircular+0x20/0x20
[   51.550587]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   51.555349]  ? reacquire_held_locks+0x1f9/0x3e0
[   51.559999]  ? reacquire_held_locks+0x1f9/0x3e0
[   51.564651]  ? check_noncircular+0x20/0x20
[   51.568867]  ? task_will_free_mem+0x252/0xaa0
[   51.573343]  ? check_noncircular+0x20/0x20
[   51.577570]  ? print_irqtrace_events+0x270/0x270
[   51.582321]  ? ___ratelimit+0x30d/0x630
[   51.586281]  ? lock_downgrade+0x980/0x980
[   51.590414]  ? lock_release+0xa40/0xa40
[   51.594376]  ? mark_held_locks+0xaf/0x100
[   51.598510]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   51.603599]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   51.608593]  ? trace_hardirqs_on+0xd/0x10
[   51.612720]  ? ___ratelimit+0x95/0x630
[   51.616593]  ? idr_get_free_cmn+0xfd0/0xfd0
[   51.620891]  ? check_noncircular+0x20/0x20
[   51.625121]  oom_kill_process+0x81b/0x9f0
[   51.629253]  ? lock_release+0xa40/0xa40
[   51.633216]  ? oom_kill_memcg_member+0x20/0x20
[   51.637794]  ? oom_evaluate_task+0x480/0x480
[   51.642197]  ? out_of_memory+0xe1c/0x1790
[   51.646329]  ? lock_downgrade+0x980/0x980
[   51.650453]  ? lock_release+0xa40/0xa40
[   51.654399]  ? find_next_bit+0xcc/0x100
[   51.658373]  ? oom_evaluate_task+0x284/0x480
[   51.662760]  out_of_memory+0x9d5/0x1790
[   51.666727]  ? oom_killer_disable+0x310/0x310
[   51.671216]  ? mutex_trylock+0x23a/0x2d0
[   51.675779]  ? __alloc_pages_slowpath+0xf63/0x2cc0
[   51.680686]  ? __lock_is_held+0xb6/0x140
[   51.684725]  ? __ww_mutex_wakeup_for_backoff+0x240/0x240
[   51.690181]  __alloc_pages_slowpath+0x1ce4/0x2cc0
[   51.695018]  ? trace_hardirqs_on+0xd/0x10
[   51.699181]  ? warn_alloc+0x2b0/0x2b0
[   51.702964]  ? lock_downgrade+0x980/0x980
[   51.707108]  ? radix_tree_lookup_slot+0x99/0xe0
[   51.711783]  ? find_get_entry+0x53c/0x9e0
[   51.716037]  ? __lock_acquire+0x664/0x3e00
[   51.720306]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   51.726193]  ? __might_sleep+0x95/0x190
[   51.730162]  __alloc_pages_nodemask+0x9fb/0xd80
[   51.734825]  ? __alloc_pages_slowpath+0x2cc0/0x2cc0
[   51.739823]  ? add_to_page_cache_lru+0x510/0x510
[   51.744574]  ? check_noncircular+0x20/0x20
[   51.748787]  ? check_noncircular+0x20/0x20
[   51.753019]  ? radix_tree_next_chunk+0x5e8/0xdf0
[   51.757789]  alloc_pages_current+0xb6/0x1e0
[   51.762101]  __page_cache_alloc+0x334/0x500
[   51.766412]  ? rcu_read_lock_held+0xa9/0xc0
[   51.770723]  ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490
[   51.778082]  filemap_fault+0xf34/0x1ca0
[   51.782041]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   51.787229]  ? __lock_page_or_retry+0x4f0/0x4f0
[   51.791880]  ? filemap_map_pages+0x942/0x15d0
[   51.796373]  ? find_get_entries_tag+0xeb0/0xeb0
[   51.801035]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   51.806208]  ? check_noncircular+0x20/0x20
[   51.810433]  ? print_irqtrace_events+0x270/0x270
[   51.815168]  ? print_irqtrace_events+0x270/0x270
[   51.819897]  ? print_irqtrace_events+0x270/0x270
[   51.824658]  ? lock_acquire+0x1d5/0x580
[   51.828613]  ? lock_acquire+0x1d5/0x580
[   51.832568]  ? ext4_filemap_fault+0x7a/0xad
[   51.836877]  ? __lock_acquire+0x664/0x3e00
[   51.841096]  ? lock_release+0xa40/0xa40
[   51.845050]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   51.850926]  ? rcu_note_context_switch+0x710/0x710
[   51.855849]  ? __might_sleep+0x95/0x190
[   51.859814]  ? down_read+0x96/0x150
[   51.863420]  ? ext4_filemap_fault+0x7a/0xad
[   51.867724]  ? __down_interruptible+0x6b0/0x6b0
[   51.872392]  ext4_filemap_fault+0x82/0xad
[   51.876530]  __do_fault+0xeb/0x315
[   51.880056]  ? pte_offset_kernel+0xc7/0xc7
[   51.884272]  ? lock_release+0xa40/0xa40
[   51.888233]  ? compat_start_thread+0x80/0x80
[   51.892621]  ? do_raw_spin_trylock+0x190/0x190
[   51.897190]  ? _raw_spin_unlock_irq+0x27/0x70
[   51.901665]  ? check_noncircular+0x20/0x20
[   51.905901]  __handle_mm_fault+0x1d8f/0x3ce0
[   51.910312]  ? __pmd_alloc+0x4e0/0x4e0
[   51.914198]  ? find_held_lock+0x35/0x1d0
[   51.918256]  ? handle_mm_fault+0x2a0/0x930
[   51.922477]  ? lock_downgrade+0x980/0x980
[   51.926649]  handle_mm_fault+0x38f/0x930
[   51.930688]  ? down_read_trylock+0xdb/0x170
[   51.934990]  ? __handle_mm_fault+0x3ce0/0x3ce0
[   51.939545]  ? vmacache_find+0x5f/0x280
[   51.943509]  ? find_vma+0x30/0x150
[   51.947038]  __do_page_fault+0x5c9/0xc90
[   51.951080]  ? vfs_copy_file_range+0x940/0x940
[   51.955657]  ? mm_fault_error+0x2c0/0x2c0
[   51.959791]  ? avc_policy_seqno+0x9/0x20
[   51.963831]  ? exit_to_usermode_loop+0x8c/0x2f0
[   51.968481]  do_page_fault+0xee/0x720
[   51.972265]  ? trace_hardirqs_off+0xd/0x10
[   51.976482]  ? __do_page_fault+0xc90/0xc90
[   51.980703]  ? trace_event_raw_event_sys_exit+0x260/0x260
[   51.986227]  ? fput+0xd2/0x140
[   51.989411]  ? retint_user+0x18/0x18
[   51.993111]  ? page_fault+0x36/0x60
[   51.996720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   52.001551]  ? page_fault+0x36/0x60
[   52.005166]  page_fault+0x4c/0x60
[   52.008599] RIP: 0033:0x7f0cab2e5190
[   52.012287] RSP: 002b:00007f0ca8889d08 EFLAGS: 00010202
[   52.017630] RAX: 0000000000000000 RBX: 00000000019b7120 RCX: 0000000000000001
[   52.024879] RDX: 0000000000000000 RSI: 00007f0ca8889d14 RDI: 00000000019b6b80
[   52.032134] RBP: 0000000000000001 R08: 00007f0ca9ebc50c R09: 00007f0caac68e00
Connection to 10.128.15.208 closed by remote host.
[   52.039382] R10: 0000000000000011 R11: 00007f0caac9aa50 R12: 0