[....] Starting enhanced syslogd: rsyslogd[ 12.749334] audit: type=1400 audit(1516427509.769:5): avc: denied { syslog } for pid=3520 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 16.215980] audit: type=1400 audit(1516427513.235:6): avc: denied { map } for pid=3658 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 '10.128.0.14' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 30.402781] audit: type=1400 audit(1516427527.422:7): avc: denied { map } for pid=3675 comm="syzkaller705125" path="/root/syzkaller705125603" 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 [ 30.428804] audit: type=1400 audit(1516427527.427:8): avc: denied { map_create } for pid=3683 comm="syzkaller705125" 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 [ 37.579493] syzkaller705125 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 37.591996] syzkaller705125 cpuset=/ mems_allowed=0 [ 37.597292] CPU: 0 PID: 3677 Comm: syzkaller705125 Not tainted 4.15.0-rc8-next-20180119+ #102 [ 37.605932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.615258] Call Trace: [ 37.617822] dump_stack+0x194/0x257 [ 37.621429] ? arch_local_irq_restore+0x53/0x53 [ 37.626076] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 37.631248] dump_header+0x28c/0xe2b [ 37.634943] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 37.640104] ? lock_release+0xa40/0xa40 [ 37.644059] ? pagefault_out_of_memory+0x145/0x145 [ 37.649637] ? __lock_acquire+0x664/0x3e00 [ 37.653852] ? print_irqtrace_events+0x270/0x270 [ 37.658589] ? avc_has_perm_noaudit+0x37e/0x520 [ 37.663237] ? avc_has_extended_perms+0x12c0/0x12c0 [ 37.668231] ? check_noncircular+0x20/0x20 [ 37.672443] ? check_noncircular+0x20/0x20 [ 37.676656] ? check_noncircular+0x20/0x20 [ 37.680869] ? reacquire_held_locks+0x1f9/0x3e0 [ 37.685517] ? reacquire_held_locks+0x1f9/0x3e0 [ 37.690162] ? find_lock_task_mm+0x1c2/0x460 [ 37.694544] ? task_will_free_mem+0x252/0xaa0 [ 37.699024] ? print_irqtrace_events+0x270/0x270 [ 37.703774] ? ___ratelimit+0x30d/0x630 [ 37.707724] ? lock_downgrade+0x980/0x980 [ 37.711852] ? lock_release+0xa40/0xa40 [ 37.715806] ? mark_held_locks+0xaf/0x100 [ 37.719931] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 37.725015] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.730011] ? trace_hardirqs_on+0xd/0x10 [ 37.734140] ? ___ratelimit+0x95/0x630 [ 37.738004] ? idr_get_free_cmn+0xfd0/0xfd0 [ 37.742319] oom_kill_process+0x81b/0x9f0 [ 37.746443] ? oom_badness+0xd1/0x980 [ 37.750216] ? lock_release+0xa40/0xa40 [ 37.754169] ? oom_kill_memcg_member+0x20/0x20 [ 37.758732] ? oom_evaluate_task+0x480/0x480 [ 37.763125] ? out_of_memory+0xe1c/0x1790 [ 37.767247] ? lock_downgrade+0x980/0x980 [ 37.771372] ? lock_release+0xa40/0xa40 [ 37.775337] ? oom_evaluate_task+0x284/0x480 [ 37.779724] out_of_memory+0x9d5/0x1790 [ 37.783682] ? oom_killer_disable+0x310/0x310 [ 37.788157] ? mutex_trylock+0x23a/0x2d0 [ 37.792192] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 37.797098] ? __lock_is_held+0xb6/0x140 [ 37.801134] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 37.806572] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 37.811421] ? warn_alloc+0x2b0/0x2b0 [ 37.815198] ? lock_release+0xa40/0xa40 [ 37.819151] ? print_irqtrace_events+0x270/0x270 [ 37.823884] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 37.829057] ? mutex_spin_on_owner+0x446/0xb50 [ 37.833625] ? __lock_acquire+0x664/0x3e00 [ 37.837841] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 37.843702] ? check_noncircular+0x20/0x20 [ 37.847916] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 37.853093] ? __lock_is_held+0xb6/0x140 [ 37.857144] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 37.863021] ? __might_sleep+0x95/0x190 [ 37.866976] __alloc_pages_nodemask+0x9fb/0xd80 [ 37.871629] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 37.876623] ? check_noncircular+0x20/0x20 [ 37.880835] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 37.885744] ? print_irqtrace_events+0x270/0x270 [ 37.890483] ? __lock_is_held+0xb6/0x140 [ 37.894526] ? find_next_bit+0xcc/0x100 [ 37.898487] pcpu_populate_chunk+0x1b3/0x880 [ 37.902872] ? find_next_bit+0x27/0x100 [ 37.906831] pcpu_alloc+0x978/0x10e0 [ 37.910533] ? pcpu_free_area+0xa00/0xa00 [ 37.914659] ? vmap_page_range_noflush+0x523/0x720 [ 37.919583] ? retint_kernel+0x10/0x10 [ 37.923447] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.928442] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.933183] ? retint_kernel+0x10/0x10 [ 37.937058] __alloc_percpu_gfp+0x27/0x30 [ 37.941184] array_map_alloc+0x490/0x630 [ 37.945223] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 37.950479] SyS_bpf+0x93c/0x4860 [ 37.953909] ? perf_event_mmap+0x115/0x12a0 [ 37.958209] ? bpf_prog_get+0x20/0x20 [ 37.961984] ? lock_release+0xa40/0xa40 [ 37.965935] ? perf_event_fork+0x30/0x30 [ 37.969974] ? do_raw_spin_trylock+0x190/0x190 [ 37.974538] ? __lock_is_held+0xb6/0x140 [ 37.978577] ? vma_wants_writenotify+0x51/0x3b0 [ 37.983227] ? __handle_mm_fault+0x80e/0x3ce0 [ 37.989178] ? __pmd_alloc+0x4e0/0x4e0 [ 37.993041] ? check_noncircular+0x20/0x20 [ 37.997256] ? check_noncircular+0x20/0x20 [ 38.001470] ? find_held_lock+0x35/0x1d0 [ 38.005515] ? handle_mm_fault+0x2a0/0x930 [ 38.009730] ? find_held_lock+0x35/0x1d0 [ 38.013777] ? __do_page_fault+0x5f7/0xc90 [ 38.017986] ? lock_downgrade+0x980/0x980 [ 38.022119] ? handle_mm_fault+0x476/0x930 [ 38.026325] ? down_read_trylock+0xdb/0x170 [ 38.030623] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 38.035178] ? vmacache_find+0x5f/0x280 [ 38.039127] ? vmacache_update+0xfe/0x130 [ 38.043255] ? up_read+0x1a/0x40 [ 38.046599] ? __do_page_fault+0x3d6/0xc90 [ 38.050817] ? mm_fault_error+0x2c0/0x2c0 [ 38.054949] ? do_page_fault+0xee/0x720 [ 38.058898] ? __do_page_fault+0xc90/0xc90 [ 38.063116] ? SyS_mmap_pgoff+0x243/0x5f0 [ 38.067250] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.071992] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 38.076721] RIP: 0033:0x440179 [ 38.079884] RSP: 002b:00007fff849bdcf8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 38.087568] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 38.094811] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 38.102054] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 38.109300] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 38.116543] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 38.123880] Mem-Info: [ 38.126314] active_anon:7896 inactive_anon:63 isolated_anon:0 [ 38.126314] active_file:17 inactive_file:21 isolated_file:0 [ 38.126314] unevictable:0 dirty:0 writeback:0 unstable:0 [ 38.126314] slab_reclaimable:7289 slab_unreclaimable:83000 [ 38.126314] mapped:2 shmem:70 pagetables:344 bounce:0 [ 38.126314] free:24120 free_pcp:195 free_cma:0 [ 38.158443] Node 0 active_anon:31584kB inactive_anon:252kB active_file:68kB inactive_file:84kB 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 [ 38.185274] 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 [ 38.211404] lowmem_reserve[]: 0 2870 6381 6381 [ 38.216027] Node 0 DMA32 free:44016kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 38.243204] lowmem_reserve[]: 0 0 3510 3510 [ 38.247536] Node 0 Normal free:36556kB min:37088kB low:46360kB high:55632kB active_anon:31584kB inactive_anon:252kB active_file:68kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3168kB pagetables:1376kB bounce:0kB free_pcp:780kB local_pcp:160kB free_cma:0kB [ 38.276355] lowmem_reserve[]: 0 0 0 0 [ 38.280180] 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 [ 38.293844] Node 0 DMA32: 4*4kB (M) 4*8kB (UM) 6*16kB (UM) 1*32kB (M) 1*64kB (M) 4*128kB (UM) 3*256kB (M) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44016kB [ 38.309096] Node 0 Normal: 549*4kB (UME) 429*8kB (ME) 289*16kB (UME) 138*32kB (UM) 62*64kB (UM) 34*128kB (UMH) 37*256kB (MH) 6*512kB (UMH) 1*1024kB (H) 0*2048kB 0*4096kB = 36556kB [ 38.325299] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 38.333871] 108 total pagecache pages [ 38.337672] 0 pages in swap cache [ 38.341117] Swap cache stats: add 0, delete 0, find 0/0 [ 38.346474] Free swap = 0kB [ 38.349482] Total swap = 0kB [ 38.352492] 1965979 pages RAM [ 38.355589] 0 pages HighMem/MovableOnly [ 38.359553] 327775 pages reserved [ 38.363066] Unreclaimable slab info: [ 38.366976] Name Used Total [ 38.372550] hashtab_node 118KB 119KB [ 38.377907] ebitmap_node 382KB 385KB [ 38.383269] avtab_node 1012KB 1013KB [ 38.388632] TIPC 1KB 7KB [ 38.393992] SCTPv6 2KB 4KB [ 38.399356] DCCPv6 2KB 7KB [ 38.404723] DCCP 2KB 6KB [ 38.410096] fib6_nodes 0KB 4KB [ 38.415452] ip6_dst_cache 5KB 11KB [ 38.420809] RAWv6 9KB 13KB [ 38.426166] UDPv6 12KB 14KB [ 38.431524] TCPv6 2KB 5KB [ 38.436897] sd_ext_cdb 0KB 3KB [ 38.442266] scsi_sense_cache 67KB 128KB [ 38.447624] virtio_scsi_cmd 16KB 16KB [ 38.452984] sgpool-128 8KB 8KB [ 38.458345] sgpool-64 4KB 6KB [ 38.463703] sgpool-32 70KB 70KB [ 38.469064] sgpool-16 30KB 30KB [ 38.474420] sgpool-8 153KB 153KB [ 38.479781] cfq_io_cq 17KB 19KB [ 38.485153] cfq_queue 23KB 27KB [ 38.490517] mqueue_inode_cache 1KB 7KB [ 38.495964] nfs_commit_data 3KB 7KB [ 38.501322] nfs_write_data 34KB 37KB [ 38.506683] jbd2_inode 1KB 3KB [ 38.512053] ext4_system_zone 0KB 3KB [ 38.517418] bio-1 1KB 3KB [ 38.522786] rpc_buffers 17KB 19KB [ 38.528145] rpc_tasks 2KB 3KB [ 38.533515] UNIX 773KB 773KB [ 38.538875] tcp_bind_bucket 0KB 4KB [ 38.544238] ip_fib_trie 0KB 3KB [ 38.549593] ip_fib_alias 0KB 3KB [ 38.554949] ip_dst_cache 4KB 8KB [ 38.560308] RAW 5KB 7KB [ 38.565663] UDP 29KB 31KB [ 38.571042] request_sock_TCP 0KB 3KB [ 38.576407] TCP 7KB 7KB [ 38.581764] hugetlbfs_inode_cache 1KB 7KB [ 38.587470] eventpoll_pwq 10KB 15KB [ 38.592825] eventpoll_epi 19KB 23KB [ 38.598180] inotify_inode_mark 3KB 7KB [ 38.603624] request_queue 37KB 91KB [ 38.608985] blkdev_ioc 24KB 27KB [ 38.614348] bio-0 255KB 255KB [ 38.619703] biovec-(1<<(21-12)) 462KB 462KB [ 38.625239] biovec-64 97KB 102KB [ 38.630596] biovec-16 10KB 11KB [ 38.635955] bio_integrity_payload 0KB 4KB [ 38.641659] khugepaged_mm_slot 1KB 3KB [ 38.647107] uid_cache 1KB 3KB [ 38.652465] dmaengine-unmap-2 0KB 3KB [ 38.657824] audit_buffer 0KB 3KB [ 38.663189] skbuff_fclone_cache 141KB 146KB [ 38.668717] skbuff_head_cache 1992KB 1995KB [ 38.674073] configfs_dir_cache 0KB 4KB [ 38.679526] file_lock_cache 160KB 162KB [ 38.684882] file_lock_ctx 1KB 3KB [ 38.690246] fsnotify_mark_connector 2KB 3KB [ 38.696129] shmem_inode_cache 1055KB 1058KB [ 38.701487] task_delay_info 321KB 339KB [ 38.706857] sigqueue 367KB 370KB [ 38.712222] kernfs_node_cache 2292KB 2295KB [ 38.717580] mnt_cache 15KB 20KB [ 38.722935] filp 8371KB 8793KB [ 38.728291] names_cache 110865KB 110903KB [ 38.733653] avc_node 38KB 39KB [ 38.739029] selinux_file_security 425KB 496KB [ 38.744740] selinux_inode_security 1955KB 1960KB [ 38.750534] key_jar 3KB 7KB [ 38.755904] nsproxy 0KB 3KB [ 38.761271] vm_area_struct 18806KB 18813KB [ 38.766631] mm_struct 4554KB 4562KB [ 38.771993] fs_cache 429KB 432KB [ 38.777356] files_cache 1605KB 1608KB [ 38.782714] signal_cache 2560KB 2565KB [ 38.788074] sighand_cache 222KB 339KB [ 38.793439] task_struct 10927KB 10927KB [ 38.798796] cred_jar 2367KB 2372KB [ 38.804157] anon_vma_chain 7894KB 7898KB [ 38.809517] anon_vma 154KB 358KB [ 38.814874] pid 223KB 252KB [ 38.820236] Acpi-Operand 106KB 170KB [ 38.825593] Acpi-State 0KB 3KB [ 38.830951] Acpi-Namespace 19KB 23KB [ 38.836312] numa_policy 0KB 3KB [ 38.841668] debug_objects_cache 535KB 535KB [ 38.847205] trace_event_file 145KB 147KB [ 38.852560] ftrace_event_field 257KB 259KB [ 38.858030] pool_workqueue 24KB 28KB [ 38.863396] page->ptl 3106KB 3111KB [ 38.868767] kmalloc-262144 1032KB 1032KB [ 38.874124] kmalloc-131072 650KB 650KB [ 38.879479] kmalloc-65536 264KB 264KB [ 38.884835] kmalloc-32768 825KB 825KB [ 38.890191] kmalloc-16384 181KB 181KB [ 38.895563] kmalloc-8192 519KB 519KB [ 38.900919] kmalloc-4096 6455KB 6494KB [ 38.906278] kmalloc-2048 3240KB 3244KB [ 38.911633] kmalloc-1024 3535KB 3535KB [ 38.916991] kmalloc-512 2798KB 2801KB [ 38.922371] kmalloc-256 1958KB 2467KB [ 38.927730] kmalloc-128 411KB 519KB [ 38.933089] kmalloc-96 2056KB 2056KB [ 38.938447] kmalloc-64 2476KB 2476KB [ 38.943806] kmalloc-32 2405KB 2405KB [ 38.949250] kmalloc-192 912KB 912KB [ 38.954614] kmem_cache 101KB 105KB [ 38.959974] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 38.968636] [ 1827] 0 1827 5385 177 90112 0 -1000 udevd [ 38.976921] [ 3383] 0 3383 2493 574 57344 0 0 dhclient [ 38.985325] [ 3520] 0 3520 14261 175 118784 0 0 rsyslogd [ 38.993726] [ 3575] 0 3575 4725 51 86016 0 0 cron [ 39.001783] [ 3577] 0 3577 3735 44 69632 0 0 mcstransd [ 39.010273] [ 3597] 0 3597 12927 1228 131072 0 0 restorecond [ 39.018933] [ 3621] 0 3621 12490 152 131072 0 -1000 sshd [ 39.026989] [ 3645] 0 3645 3694 40 73728 0 0 getty [ 39.035138] [ 3646] 0 3646 3694 40 77824 0 0 getty [ 39.043278] [ 3647] 0 3647 3694 41 77824 0 0 getty [ 39.051427] [ 3648] 0 3648 3694 42 65536 0 0 getty [ 39.059569] [ 3649] 0 3649 3694 40 77824 0 0 getty [ 39.067709] [ 3650] 0 3650 3694 39 73728 0 0 getty [ 39.075852] [ 3651] 0 3651 3649 41 77824 0 0 getty [ 39.083995] [ 3653] 0 3653 5681 456 86016 0 -1000 udevd [ 39.092141] [ 3654] 0 3654 5681 456 86016 0 -1000 udevd [ 39.100282] [ 3673] 0 3673 17821 198 184320 0 0 sshd [ 39.108337] [ 3675] 0 3675 280 1 32768 0 0 syzkaller705125 [ 39.117347] [ 3676] 0 3676 4043 523 36864 0 0 syzkaller705125 [ 39.126356] [ 3677] 0 3677 4043 523 36864 0 0 syzkaller705125 [ 39.135364] [ 3678] 0 3678 4043 523 36864 0 0 syzkaller705125 [ 39.144371] [ 3679] 0 3679 4043 523 36864 0 0 syzkaller705125 [ 39.153379] [ 3680] 0 3680 4043 523 36864 0 0 syzkaller705125 [ 39.162389] [ 3681] 0 3681 4043 523 36864 0 0 syzkaller705125 [ 39.171402] [ 3682] 0 3682 4043 523 36864 0 0 syzkaller705125 [ 39.180419] [ 3683] 0 3683 4043 523 36864 0 0 syzkaller705125 [ 39.189422] Out of memory: Kill process 3597 (restorecond) score 0 or sacrifice child [ 39.197777] Killed process 3597 (restorecond) total-vm:51708kB, anon-rss:4912kB, file-rss:0kB, shmem-rss:0kB [ 39.211959] rsyslogd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 39.223563] rsyslogd cpuset=/ mems_allowed=0 [ 39.228163] CPU: 1 PID: 3523 Comm: rsyslogd Not tainted 4.15.0-rc8-next-20180119+ #102 [ 39.236198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.245538] Call Trace: [ 39.248119] dump_stack+0x194/0x257 [ 39.251733] ? arch_local_irq_restore+0x53/0x53 [ 39.256386] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 39.261577] dump_header+0x28c/0xe2b [ 39.265289] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 39.270472] ? pagefault_out_of_memory+0x145/0x145 [ 39.275398] ? print_irqtrace_events+0x270/0x270 [ 39.280159] ? avc_has_perm_noaudit+0x37e/0x520 [ 39.284814] ? check_noncircular+0x20/0x20 [ 39.289030] ? check_noncircular+0x20/0x20 [ 39.293266] ? reacquire_held_locks+0x1f9/0x3e0 [ 39.297913] ? reacquire_held_locks+0x1f9/0x3e0 [ 39.302564] ? task_will_free_mem+0x252/0xaa0 [ 39.307055] ? print_irqtrace_events+0x270/0x270 [ 39.311800] ? ___ratelimit+0x30d/0x630 [ 39.315748] ? lock_downgrade+0x980/0x980 [ 39.319891] ? lock_release+0xa40/0xa40 [ 39.323841] ? mark_held_locks+0xaf/0x100 [ 39.327965] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 39.333049] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 39.338056] ? trace_hardirqs_on+0xd/0x10 [ 39.342200] ? ___ratelimit+0x95/0x630 [ 39.346078] ? idr_get_free_cmn+0xfd0/0xfd0 [ 39.350407] oom_kill_process+0x81b/0x9f0 [ 39.354544] ? oom_badness+0xd1/0x980 [ 39.358328] ? lock_release+0xa40/0xa40 [ 39.362296] ? oom_kill_memcg_member+0x20/0x20 [ 39.366862] ? oom_evaluate_task+0x480/0x480 [ 39.371264] ? out_of_memory+0xe1c/0x1790 [ 39.375401] ? lock_downgrade+0x980/0x980 [ 39.379545] ? lock_release+0xa40/0xa40 [ 39.383506] ? find_next_bit+0xcc/0x100 [ 39.387487] ? oom_evaluate_task+0x284/0x480 [ 39.391882] out_of_memory+0x9d5/0x1790 [ 39.395839] ? oom_killer_disable+0x310/0x310 [ 39.400328] ? mutex_trylock+0x23a/0x2d0 [ 39.404376] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 39.409292] ? __lock_is_held+0xb6/0x140 [ 39.413339] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 39.418780] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 39.423650] ? warn_alloc+0x2b0/0x2b0 [ 39.427455] ? warn_alloc+0x2b0/0x2b0 [ 39.431250] ? trace_hardirqs_off+0x10/0x10 [ 39.435565] ? warn_alloc+0x2b0/0x2b0 [ 39.439367] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 39.444559] ? check_noncircular+0x19/0x20 [ 39.448781] ? check_noncircular+0x20/0x20 [ 39.452994] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 39.458112] ? __lock_is_held+0xb6/0x140 [ 39.462184] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 39.468073] ? __might_sleep+0x95/0x190 [ 39.472047] __alloc_pages_nodemask+0x9fb/0xd80 [ 39.476718] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 39.481721] ? __alloc_pages_nodemask+0xadb/0xd80 [ 39.486769] ? print_irqtrace_events+0x270/0x270 [ 39.491510] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 39.496528] ? find_held_lock+0x35/0x1d0 [ 39.500599] ? cache_grow_begin+0x3bb/0x570 [ 39.504909] cache_grow_begin+0x72/0x570 [ 39.508953] fallback_alloc+0x13b/0x2a0 [ 39.512909] ____cache_alloc_node+0x1cc/0x1e0 [ 39.517397] kmem_cache_alloc_trace+0x27d/0x750 [ 39.522060] ? dl_cpu_busy+0x370/0x370 [ 39.525940] do_syslog+0x5d7/0xb80 [ 39.529471] ? log_buf_vmcoreinfo_setup+0x120/0x120 [ 39.534477] ? prepare_to_wait+0x4d0/0x4d0 [ 39.538703] ? __lock_is_held+0xb6/0x140 [ 39.542759] kmsg_read+0x74/0xa0 [ 39.546106] ? kmsg_poll+0xa0/0xa0 [ 39.549633] proc_reg_read+0xe8/0x160 [ 39.553434] ? proc_reg_write+0x160/0x160 [ 39.557569] __vfs_read+0xef/0xa00 [ 39.561099] ? fsnotify+0x7b3/0x1140 [ 39.564796] ? vfs_copy_file_range+0x940/0x940 [ 39.569365] ? fsnotify_first_mark+0x2b0/0x2b0 [ 39.573931] ? avc_policy_seqno+0x9/0x20 [ 39.577967] ? selinux_file_permission+0x82/0x460 [ 39.582787] ? security_file_permission+0x89/0x1e0 [ 39.587702] ? rw_verify_area+0xe5/0x2b0 [ 39.591740] ? __fdget_raw+0x20/0x20 [ 39.595441] vfs_read+0x11e/0x350 [ 39.598880] SyS_read+0xef/0x220 [ 39.602233] ? kernel_write+0x120/0x120 [ 39.606197] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 39.611207] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 39.615961] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 39.620694] RIP: 0033:0x7f3db29f91fd [ 39.624384] RSP: 002b:00007f3daff98e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 39.632080] RAX: ffffffffffffffda RBX: 00007f3db25dae98 RCX: 00007f3db29f91fd [ 39.639338] RDX: 0000000000000fff RSI: 00007f3db17cd5a0 RDI: 0000000000000004 [ 39.646597] RBP: 00007f3db25dae40 R08: 0000000002516260 R09: 0000000000000000 [ 39.653850] R10: 0000000000000011 R11: 0000000000000293 R12: 0000000002573ea0 [ 39.661099] R13: 0000000000004f51 R14: 0000000000000000 R15: 0000000000000004 [ 39.668427] Mem-Info: [ 39.670846] active_anon:6671 inactive_anon:63 isolated_anon:0 [ 39.670846] active_file:13 inactive_file:12 isolated_file:0 [ 39.670846] unevictable:0 dirty:0 writeback:0 unstable:0 [ 39.670846] slab_reclaimable:7289 slab_unreclaimable:83000 [ 39.670846] mapped:2 shmem:70 pagetables:307 bounce:0 [ 39.670846] free:24248 free_pcp:344 free_cma:0 [ 39.702956] Node 0 active_anon:26684kB inactive_anon:252kB active_file:52kB inactive_file:48kB 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? yes [ 39.729857] 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 [ 39.755986] lowmem_reserve[]: 0 2870 6381 6381 [ 39.760617] Node 0 DMA32 free:44016kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 39.787791] lowmem_reserve[]: 0 0 3510 3510 [ 39.792132] Node 0 Normal free:37068kB min:37088kB low:46360kB high:55632kB active_anon:26684kB inactive_anon:252kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3136kB pagetables:1228kB bounce:0kB free_pcp:1376kB local_pcp:624kB free_cma:0kB [ 39.821058] lowmem_reserve[]: 0 0 0 0 [ 39.824883] 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 [ 39.838484] Node 0 DMA32: 4*4kB (M) 4*8kB (UM) 6*16kB (UM) 1*32kB (M) 1*64kB (M) 4*128kB (UM) 3*256kB (M) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44016kB [ 39.853782] Node 0 Normal: 531*4kB (ME) 422*8kB (ME) 279*16kB (UME) 191*32kB (M) 68*64kB (UM) 34*128kB (UMH) 36*256kB (UMH) 4*512kB (UMH) 1*1024kB (H) 0*2048kB 0*4096kB = 37068kB [ 39.869881] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 39.878461] 95 total pagecache pages [ 39.882190] 0 pages in swap cache [ 39.885658] Swap cache stats: add 0, delete 0, find 0/0 [ 39.891035] Free swap = 0kB [ 39.894060] Total swap = 0kB [ 39.897087] 1965979 pages RAM [ 39.900199] 0 pages HighMem/MovableOnly [ 39.904182] 327775 pages reserved [ 39.907686] Unreclaimable slab info: [ 39.911545] Name Used Total [ 39.917118] hashtab_node 118KB 119KB [ 39.922493] ebitmap_node 382KB 385KB [ 39.927855] avtab_node 1012KB 1013KB [ 39.933227] TIPC 1KB 7KB [ 39.938604] SCTPv6 2KB 4KB [ 39.943972] DCCPv6 2KB 7KB [ 39.949345] DCCP 2KB 6KB [ 39.954745] fib6_nodes 0KB 4KB [ 39.960116] ip6_dst_cache 5KB 11KB [ 39.965490] RAWv6 9KB 13KB [ 39.970851] UDPv6 12KB 14KB [ 39.976218] TCPv6 2KB 5KB [ 39.981605] sd_ext_cdb 0KB 3KB [ 39.986968] scsi_sense_cache 66KB 128KB [ 39.992331] virtio_scsi_cmd 16KB 16KB [ 39.997708] sgpool-128 8KB 8KB [ 40.003076] sgpool-64 4KB 6KB [ 40.008448] sgpool-32 70KB 70KB [ 40.013807] sgpool-16 30KB 30KB [ 40.019176] sgpool-8 153KB 153KB [ 40.024553] cfq_io_cq 17KB 19KB [ 40.029913] cfq_queue 23KB 27KB [ 40.035292] mqueue_inode_cache 1KB 7KB [ 40.040745] nfs_commit_data 3KB 7KB [ 40.046113] nfs_write_data 34KB 37KB [ 40.051486] jbd2_inode 1KB 3KB [ 40.056846] ext4_system_zone 0KB 3KB [ 40.062221] bio-1 1KB 3KB [ 40.067605] rpc_buffers 17KB 19KB [ 40.072971] rpc_tasks 2KB 3KB [ 40.078343] UNIX 773KB 773KB [ 40.083713] tcp_bind_bucket 0KB 4KB [ 40.089087] ip_fib_trie 0KB 3KB [ 40.094456] ip_fib_alias 0KB 3KB [ 40.099815] ip_dst_cache 3KB 8KB [ 40.105181] RAW 5KB 7KB [ 40.110554] UDP 29KB 31KB [ 40.115915] request_sock_TCP 0KB 3KB [ 40.121281] TCP 7KB 7KB [ 40.126668] hugetlbfs_inode_cache 1KB 7KB [ 40.132389] eventpoll_pwq 10KB 15KB [ 40.137747] eventpoll_epi 19KB 23KB [ 40.143110] inotify_inode_mark 3KB 7KB [ 40.148570] request_queue 37KB 91KB [ 40.153930] blkdev_ioc 24KB 27KB [ 40.159295] bio-0 255KB 255KB [ 40.164671] biovec-(1<<(21-12)) 462KB 462KB [ 40.170224] biovec-64 97KB 102KB [ 40.175598] biovec-16 10KB 11KB [ 40.180970] bio_integrity_payload 0KB 4KB [ 40.186687] khugepaged_mm_slot 1KB 3KB [ 40.192153] uid_cache 1KB 3KB [ 40.197530] dmaengine-unmap-2 0KB 3KB [ 40.202893] audit_buffer 0KB 3KB [ 40.208264] skbuff_fclone_cache 140KB 146KB [ 40.213797] skbuff_head_cache 1992KB 1995KB [ 40.219165] configfs_dir_cache 0KB 4KB [ 40.224630] file_lock_cache 160KB 162KB [ 40.229988] file_lock_ctx 1KB 3KB [ 40.235360] fsnotify_mark_connector 2KB 3KB [ 40.241258] shmem_inode_cache 1055KB 1058KB [ 40.246635] task_delay_info 321KB 339KB [ 40.251999] sigqueue 370KB 370KB [ 40.257378] kernfs_node_cache 2292KB 2295KB [ 40.262750] mnt_cache 15KB 20KB [ 40.268119] filp 8341KB 8786KB [ 40.273494] names_cache 110865KB 110903KB [ 40.278854] avc_node 38KB 39KB [ 40.284218] selinux_file_security 422KB 496KB [ 40.289932] selinux_inode_security 1955KB 1960KB [ 40.295720] key_jar 3KB 7KB [ 40.301087] nsproxy 0KB 3KB [ 40.306462] vm_area_struct 18806KB 18813KB [ 40.311820] mm_struct 4553KB 4562KB [ 40.317187] fs_cache 428KB 432KB [ 40.322561] files_cache 1605KB 1608KB [ 40.327924] signal_cache 2560KB 2565KB [ 40.333292] sighand_cache 222KB 339KB [ 40.338672] task_struct 10927KB 10927KB [ 40.344044] cred_jar 2367KB 2372KB [ 40.349420] anon_vma_chain 7894KB 7898KB [ 40.354780] anon_vma 149KB 358KB [ 40.360146] pid 223KB 252KB [ 40.365521] Acpi-Operand 106KB 170KB [ 40.370885] Acpi-Namespace 19KB 23KB [ 40.376252] numa_policy 0KB 3KB [ 40.381631] debug_objects_cache 535KB 535KB [ 40.387179] trace_event_file 145KB 147KB [ 40.392555] ftrace_event_field 257KB 259KB [ 40.398028] pool_workqueue 24KB 28KB [ 40.403407] page->ptl 3106KB 3111KB [ 40.408790] kmalloc-262144 1032KB 1032KB [ 40.414168] kmalloc-131072 650KB 650KB [ 40.419550] kmalloc-65536 264KB 264KB [ 40.424915] kmalloc-32768 825KB 825KB [ 40.430289] kmalloc-16384 181KB 181KB [ 40.435671] kmalloc-8192 519KB 519KB [ 40.441053] kmalloc-4096 6455KB 6494KB [ 40.446438] kmalloc-2048 3240KB 3244KB [ 40.451803] kmalloc-1024 3535KB 3535KB [ 40.457179] kmalloc-512 2797KB 2801KB [ 40.462560] kmalloc-256 1955KB 2460KB [ 40.467943] kmalloc-128 410KB 519KB [ 40.473316] kmalloc-96 2056KB 2056KB [ 40.478696] kmalloc-64 2476KB 2476KB [ 40.484737] kmalloc-32 2405KB 2405KB [ 40.490150] kmalloc-192 912KB 912KB [ 40.495528] kmem_cache 101KB 105KB [ 40.500905] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 40.509596] [ 1827] 0 1827 5385 177 90112 0 -1000 udevd [ 40.517901] [ 3383] 0 3383 2493 574 57344 0 0 dhclient [ 40.526330] [ 3520] 0 3520 14261 175 118784 0 0 rsyslogd [ 40.534761] [ 3575] 0 3575 4725 51 86016 0 0 cron [ 40.542820] [ 3577] 0 3577 3735 44 69632 0 0 mcstransd [ 40.551324] [ 3621] 0 3621 12490 152 131072 0 -1000 sshd [ 40.559403] [ 3645] 0 3645 3694 40 73728 0 0 getty [ 40.567565] [ 3646] 0 3646 3694 40 77824 0 0 getty [ 40.575723] [ 3647] 0 3647 3694 41 77824 0 0 getty [ 40.583861] [ 3648] 0 3648 3694 42 65536 0 0 getty [ 40.591998] [ 3649] 0 3649 3694 40 77824 0 0 getty [ 40.600166] [ 3650] 0 3650 3694 39 73728 0 0 getty [ 40.608327] [ 3651] 0 3651 3649 41 77824 0 0 getty [ 40.616491] [ 3653] 0 3653 5681 456 86016 0 -1000 udevd [ 40.624665] [ 3654] 0 3654 5681 456 86016 0 -1000 udevd [ 40.632826] [ 3673] 0 3673 17821 198 184320 0 0 sshd [ 40.640887] [ 3675] 0 3675 280 1 32768 0 0 syzkaller705125 [ 40.649893] [ 3676] 0 3676 4043 523 36864 0 0 syzkaller705125 [ 40.658894] [ 3677] 0 3677 4043 523 36864 0 0 syzkaller705125 [ 40.667895] [ 3678] 0 3678 4043 523 36864 0 0 syzkaller705125 [ 40.676899] [ 3679] 0 3679 4043 523 36864 0 0 syzkaller705125 [ 40.685899] [ 3680] 0 3680 4043 523 36864 0 0 syzkaller705125 [ 40.694900] [ 3681] 0 3681 4043 523 36864 0 0 syzkaller705125 [ 40.703912] [ 3682] 0 3682 4043 523 36864 0 0 syzkaller705125 [ 40.712916] [ 3683] 0 3683 4043 523 36864 0 0 syzkaller705125 [ 40.721914] Out of memory: Kill process 3383 (dhclient) score 0 or sacrifice child [ 40.729979] Killed process 3383 (dhclient) total-vm:9972kB, anon-rss:2296kB, file-rss:0kB, shmem-rss:0kB [ 40.746608] rsyslogd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 40.758229] rsyslogd cpuset=/ mems_allowed=0 [ 40.762660] CPU: 0 PID: 3523 Comm: rsyslogd Not tainted 4.15.0-rc8-next-20180119+ #102 [ 40.770687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.780015] Call Trace: [ 40.782581] dump_stack+0x194/0x257 [ 40.786182] ? arch_local_irq_restore+0x53/0x53 [ 40.790823] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.795993] dump_header+0x28c/0xe2b [ 40.799686] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.804849] ? pagefault_out_of_memory+0x145/0x145 [ 40.809751] ? print_irqtrace_events+0x270/0x270 [ 40.814484] ? avc_has_perm_noaudit+0x37e/0x520 [ 40.819126] ? avc_has_extended_perms+0x12c0/0x12c0 [ 40.824110] ? check_noncircular+0x20/0x20 [ 40.828314] ? check_noncircular+0x20/0x20 [ 40.832516] ? print_irqtrace_events+0x270/0x270 [ 40.837243] ? check_noncircular+0x20/0x20 [ 40.841450] ? reacquire_held_locks+0x1f9/0x3e0 [ 40.846087] ? reacquire_held_locks+0x1f9/0x3e0 [ 40.850727] ? find_lock_task_mm+0x1c2/0x460 [ 40.855110] ? task_will_free_mem+0x252/0xaa0 [ 40.859579] ? print_irqtrace_events+0x270/0x270 [ 40.864312] ? ___ratelimit+0x30d/0x630 [ 40.868257] ? lock_downgrade+0x980/0x980 [ 40.872382] ? lock_release+0xa40/0xa40 [ 40.876334] ? mark_held_locks+0xaf/0x100 [ 40.880456] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 40.885533] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.890521] ? trace_hardirqs_on+0xd/0x10 [ 40.894642] ? ___ratelimit+0x95/0x630 [ 40.898500] ? idr_get_free_cmn+0xfd0/0xfd0 [ 40.902800] oom_kill_process+0x81b/0x9f0 [ 40.906919] ? oom_badness+0xd1/0x980 [ 40.910688] ? lock_release+0xa40/0xa40 [ 40.914636] ? oom_kill_memcg_member+0x20/0x20 [ 40.919196] ? oom_evaluate_task+0x480/0x480 [ 40.923584] ? out_of_memory+0xe1c/0x1790 [ 40.927710] ? lock_downgrade+0x980/0x980 [ 40.931833] ? lock_release+0xa40/0xa40 [ 40.935775] ? find_next_bit+0xcc/0x100 [ 40.939729] ? oom_evaluate_task+0x284/0x480 [ 40.944110] out_of_memory+0x9d5/0x1790 [ 40.948068] ? oom_killer_disable+0x310/0x310 [ 40.952539] ? mutex_trylock+0x23a/0x2d0 [ 40.956568] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 40.961469] ? __lock_is_held+0xb6/0x140 [ 40.965502] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 40.970932] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 40.975776] ? warn_alloc+0x2b0/0x2b0 [ 40.979554] ? warn_alloc+0x2b0/0x2b0 [ 40.983328] ? trace_hardirqs_off+0x10/0x10 [ 40.987620] ? warn_alloc+0x2b0/0x2b0 [ 40.991401] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.996568] ? check_noncircular+0x19/0x20 [ 41.000778] ? check_noncircular+0x20/0x20 [ 41.004986] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 41.010071] ? __lock_is_held+0xb6/0x140 [ 41.014115] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 41.019979] ? __might_sleep+0x95/0x190 [ 41.023926] __alloc_pages_nodemask+0x9fb/0xd80 [ 41.028573] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 41.033566] ? __alloc_pages_nodemask+0xadb/0xd80 [ 41.038380] ? print_irqtrace_events+0x270/0x270 [ 41.043109] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 41.048102] ? find_held_lock+0x35/0x1d0 [ 41.052146] ? cache_grow_begin+0x3bb/0x570 [ 41.056444] cache_grow_begin+0x72/0x570 [ 41.060480] fallback_alloc+0x13b/0x2a0 [ 41.064439] ____cache_alloc_node+0x1cc/0x1e0 [ 41.068909] kmem_cache_alloc_trace+0x27d/0x750 [ 41.073547] ? dl_cpu_busy+0x370/0x370 [ 41.077416] do_syslog+0x5d7/0xb80 [ 41.080935] ? log_buf_vmcoreinfo_setup+0x120/0x120 [ 41.085922] ? prepare_to_wait+0x4d0/0x4d0 [ 41.090130] ? __lock_is_held+0xb6/0x140 [ 41.094169] kmsg_read+0x74/0xa0 [ 41.097507] ? kmsg_poll+0xa0/0xa0 [ 41.101026] proc_reg_read+0xe8/0x160 [ 41.104806] ? proc_reg_write+0x160/0x160 [ 41.108925] __vfs_read+0xef/0xa00 [ 41.112434] ? fsnotify+0x7b3/0x1140 [ 41.116120] ? vfs_copy_file_range+0x940/0x940 [ 41.120678] ? fsnotify_first_mark+0x2b0/0x2b0 [ 41.125236] ? avc_policy_seqno+0x9/0x20 [ 41.129266] ? selinux_file_permission+0x82/0x460 [ 41.134083] ? security_file_permission+0x89/0x1e0 [ 41.138985] ? rw_verify_area+0xe5/0x2b0 [ 41.143030] ? __fdget_raw+0x20/0x20 [ 41.146718] vfs_read+0x11e/0x350 [ 41.150146] SyS_read+0xef/0x220 [ 41.153485] ? kernel_write+0x120/0x120 [ 41.157428] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.162415] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.167147] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 41.171873] RIP: 0033:0x7f3db29f91fd [ 41.175556] RSP: 002b:00007f3daff98e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 41.183233] RAX: ffffffffffffffda RBX: 00007f3db25dae98 RCX: 00007f3db29f91fd [ 41.190474] RDX: 0000000000000fff RSI: 00007f3db17cd5a0 RDI: 0000000000000004 [ 41.197714] RBP: 00007f3db25dae40 R08: 0000000002516260 R09: 0000000000000000 [ 41.204957] R10: 0000000000000011 R11: 0000000000000293 R12: 0000000002573ea0 [ 41.212198] R13: 0000000000004f51 R14: 0000000000000000 R15: 0000000000000004 [ 41.219506] Mem-Info: [ 41.221921] active_anon:6115 inactive_anon:63 isolated_anon:0 [ 41.221921] active_file:12 inactive_file:13 isolated_file:0 [ 41.221921] unevictable:0 dirty:0 writeback:0 unstable:0 [ 41.221921] slab_reclaimable:7289 slab_unreclaimable:82992 [ 41.221921] mapped:2 shmem:70 pagetables:318 bounce:0 [ 41.221921] free:24113 free_pcp:218 free_cma:0 [ 41.254069] Node 0 active_anon:24460kB inactive_anon:252kB active_file:48kB inactive_file:52kB 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 [ 41.280881] 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 [ 41.307004] lowmem_reserve[]: 0 2870 6381 6381 [ 41.311634] Node 0 DMA32 free:44016kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 41.338814] lowmem_reserve[]: 0 0 3510 3510 [ 41.343147] Node 0 Normal free:36528kB min:37088kB low:46360kB high:55632kB active_anon:24460kB inactive_anon:252kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3136kB pagetables:1272kB bounce:0kB free_pcp:872kB local_pcp:752kB free_cma:0kB [ 41.371966] lowmem_reserve[]: 0 0 0 0 [ 41.375780] 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 [ 41.389360] Node 0 DMA32: 4*4kB (M) 4*8kB (UM) 6*16kB (UM) 1*32kB (M) 1*64kB (M) 4*128kB (UM) 3*256kB (M) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44016kB [ 41.404598] Node 0 Normal: 458*4kB (UME) 393*8kB (ME) 264*16kB (ME) 188*32kB (M) 85*64kB (UM) 34*128kB (MH) 33*256kB (UMH) 4*512kB (MH) 1*1024kB (H) 0*2048kB 0*4096kB = 36528kB [ 41.420528] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 41.429102] 95 total pagecache pages [ 41.432814] 0 pages in swap cache [ 41.436256] Swap cache stats: add 0, delete 0, find 0/0 [ 41.441608] Free swap = 0kB [ 41.444615] Total swap = 0kB [ 41.447625] 1965979 pages RAM [ 41.450720] 0 pages HighMem/MovableOnly [ 41.454683] 327775 pages reserved [ 41.458126] Unreclaimable slab info: [ 41.461837] Name Used Total [ 41.467369] hashtab_node 118KB 119KB [ 41.472736] ebitmap_node 382KB 385KB [ 41.478104] avtab_node 1012KB 1013KB [ 41.483465] TIPC 1KB 7KB [ 41.488822] SCTPv6 2KB 4KB [ 41.494178] DCCPv6 2KB 7KB [ 41.499537] DCCP 2KB 6KB [ 41.504903] fib6_nodes 0KB 4KB [ 41.510255] ip6_dst_cache 5KB 11KB [ 41.515616] RAWv6 9KB 13KB [ 41.520968] UDPv6 12KB 14KB [ 41.526321] TCPv6 2KB 5KB [ 41.531687] sd_ext_cdb 0KB 3KB [ 41.537048] scsi_sense_cache 63KB 128KB [ 41.542415] virtio_scsi_cmd 16KB 16KB [ 41.547770] sgpool-128 8KB 8KB [ 41.553125] sgpool-64 4KB 6KB [ 41.558479] sgpool-32 65KB 70KB [ 41.563833] sgpool-16 30KB 30KB [ 41.569186] sgpool-8 153KB 153KB [ 41.574543] cfq_io_cq 17KB 19KB [ 41.579896] cfq_queue 23KB 27KB [ 41.585251] mqueue_inode_cache 1KB 7KB [ 41.590700] nfs_commit_data 3KB 7KB [ 41.596055] nfs_write_data 34KB 37KB [ 41.601410] jbd2_inode 1KB 3KB [ 41.606763] ext4_system_zone 0KB 3KB [ 41.612121] bio-1 1KB 3KB [ 41.617479] rpc_buffers 17KB 19KB [ 41.622832] rpc_tasks 2KB 3KB [ 41.628189] UNIX 773KB 773KB [ 41.633544] tcp_bind_bucket 0KB 4KB [ 41.638901] ip_fib_trie 0KB 3KB [ 41.644256] ip_fib_alias 0KB 3KB [ 41.649609] ip_dst_cache 3KB 8KB [ 41.654963] RAW 5KB 7KB [ 41.660317] UDP 29KB 31KB [ 41.666365] request_sock_TCP 0KB 3KB [ 41.671718] TCP 7KB 7KB [ 41.677072] hugetlbfs_inode_cache 1KB 7KB [ 41.682776] eventpoll_pwq 10KB 15KB [ 41.688131] eventpoll_epi 19KB 23KB [ 41.693485] inotify_inode_mark 3KB 7KB [ 41.698924] request_queue 37KB 91KB [ 41.704279] blkdev_ioc 24KB 27KB [ 41.709635] bio-0 254KB 255KB [ 41.714994] biovec-(1<<(21-12)) 462KB 462KB [ 41.720529] biovec-64 97KB 102KB [ 41.725887] biovec-16 10KB 11KB [ 41.731251] bio_integrity_payload 0KB 4KB [ 41.736959] khugepaged_mm_slot 1KB 3KB [ 41.742412] uid_cache 1KB 3KB [ 41.747770] dmaengine-unmap-2 0KB 3KB [ 41.753127] audit_buffer 0KB 3KB [ 41.758489] skbuff_fclone_cache 140KB 146KB [ 41.764070] skbuff_head_cache 1992KB 1995KB [ 41.769437] configfs_dir_cache 0KB 4KB [ 41.774884] file_lock_cache 159KB 162KB [ 41.780238] file_lock_ctx 1KB 3KB [ 41.785593] fsnotify_mark_connector 2KB 3KB [ 41.791468] shmem_inode_cache 1055KB 1058KB [ 41.796824] task_delay_info 320KB 339KB [ 41.802175] sigqueue 369KB 370KB [ 41.807529] kernfs_node_cache 2292KB 2295KB [ 41.812885] mnt_cache 15KB 20KB [ 41.818256] filp 8334KB 8778KB [ 41.823619] names_cache 110857KB 110895KB [ 41.828992] avc_node 38KB 39KB [ 41.834355] selinux_file_security 421KB 496KB [ 41.840062] selinux_inode_security 1955KB 1960KB [ 41.845853] key_jar 3KB 7KB [ 41.851207] nsproxy 0KB 3KB [ 41.856560] vm_area_struct 18803KB 18813KB [ 41.861914] mm_struct 4553KB 4562KB [ 41.867268] fs_cache 428KB 432KB [ 41.872623] files_cache 1605KB 1608KB [ 41.877982] signal_cache 2558KB 2565KB [ 41.883337] sighand_cache 222KB 339KB [ 41.888697] task_struct 10920KB 10927KB [ 41.894063] cred_jar 2366KB 2372KB [ 41.899421] anon_vma_chain 7893KB 7898KB [ 41.904775] anon_vma 147KB 358KB [ 41.910133] pid 223KB 252KB [ 41.915491] Acpi-Operand 106KB 170KB [ 41.920847] Acpi-Namespace 19KB 23KB [ 41.926211] numa_policy 0KB 3KB [ 41.931563] debug_objects_cache 533KB 535KB [ 41.937099] trace_event_file 145KB 147KB [ 41.942452] ftrace_event_field 257KB 259KB [ 41.947896] pool_workqueue 24KB 28KB [ 41.953262] page->ptl 3105KB 3111KB [ 41.958631] kmalloc-262144 1032KB 1032KB [ 41.963990] kmalloc-131072 650KB 650KB [ 41.969352] kmalloc-65536 264KB 264KB [ 41.974706] kmalloc-32768 825KB 825KB [ 41.980061] kmalloc-16384 181KB 181KB [ 41.985415] kmalloc-8192 519KB 519KB [ 41.990859] kmalloc-4096 6447KB 6485KB [ 41.996217] kmalloc-2048 3240KB 3244KB [ 42.001572] kmalloc-1024 3535KB 3535KB [ 42.006927] kmalloc-512 2796KB 2801KB [ 42.012283] kmalloc-256 1951KB 2460KB [ 42.017640] kmalloc-128 409KB 519KB [ 42.022999] kmalloc-96 2056KB 2056KB [ 42.028385] kmalloc-64 2475KB 2476KB [ 42.033741] kmalloc-32 2404KB 2405KB [ 42.039094] kmalloc-192 911KB 912KB [ 42.044470] kmem_cache 101KB 105KB [ 42.049823] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 42.058415] [ 1827] 0 1827 5385 177 90112 0 -1000 udevd [ 42.066557] [ 3520] 0 3520 14261 175 118784 0 0 rsyslogd [ 42.074953] [ 3575] 0 3575 4725 51 86016 0 0 cron [ 42.083034] [ 3577] 0 3577 3735 44 69632 0 0 mcstransd [ 42.091531] [ 3621] 0 3621 12490 152 131072 0 -1000 sshd [ 42.099591] [ 3645] 0 3645 3694 40 73728 0 0 getty [ 42.107733] [ 3646] 0 3646 3694 40 77824 0 0 getty [ 42.115875] [ 3647] 0 3647 3694 41 77824 0 0 getty [ 42.124047] [ 3648] 0 3648 3694 42 65536 0 0 getty [ 42.132206] [ 3649] 0 3649 3694 40 77824 0 0 getty [ 42.140347] [ 3650] 0 3650 3694 39 73728 0 0 getty [ 42.148491] [ 3651] 0 3651 3649 41 77824 0 0 getty [ 42.156630] [ 3653] 0 3653 5681 456 86016 0 -1000 udevd [ 42.164770] [ 3654] 0 3654 5681 456 86016 0 -1000 udevd [ 42.172908] [ 3673] 0 3673 17821 198 184320 0 0 sshd [ 42.180980] [ 3675] 0 3675 280 1 32768 0 0 syzkaller705125 [ 42.189992] [ 3676] 0 3676 4043 523 36864 0 0 syzkaller705125 [ 42.199037] [ 3677] 0 3677 4043 523 36864 0 0 syzkaller705125 [ 42.208059] [ 3678] 0 3678 4043 523 36864 0 0 syzkaller705125 [ 42.217070] [ 3679] 0 3679 4043 523 36864 0 0 syzkaller705125 [ 42.226080] [ 3680] 0 3680 4043 523 36864 0 0 syzkaller705125 [ 42.235088] [ 3681] 0 3681 4043 523 36864 0 0 syzkaller705125 [ 42.244096] [ 3682] 0 3682 4043 523 36864 0 0 syzkaller705125 [ 42.253105] [ 3683] 0 3683 4043 523 36864 0 0 syzkaller705125 [ 42.262109] Out of memory: Kill process 3676 (syzkaller705125) score 0 or sacrifice child [ 42.270428] Killed process 3676 (syzkaller705125) total-vm:16172kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 42.283847] oom_reaper: reaped process 3676 (syzkaller705125), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 42.294848] rsyslogd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 42.306330] rsyslogd cpuset=/ mems_allowed=0 [ 42.310799] CPU: 0 PID: 3523 Comm: rsyslogd Not tainted 4.15.0-rc8-next-20180119+ #102 [ 42.318831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.328161] Call Trace: [ 42.330726] dump_stack+0x194/0x257 [ 42.334329] ? arch_local_irq_restore+0x53/0x53 [ 42.338976] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.344151] dump_header+0x28c/0xe2b [ 42.347845] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.353016] ? pagefault_out_of_memory+0x145/0x145 [ 42.357929] ? print_irqtrace_events+0x270/0x270 [ 42.362678] ? avc_has_perm_noaudit+0x37e/0x520 [ 42.367329] ? avc_has_extended_perms+0x12c0/0x12c0 [ 42.372319] ? check_noncircular+0x20/0x20 [ 42.376528] ? check_noncircular+0x20/0x20 [ 42.380736] ? print_irqtrace_events+0x270/0x270 [ 42.385464] ? check_noncircular+0x20/0x20 [ 42.389675] ? reacquire_held_locks+0x1f9/0x3e0 [ 42.394318] ? reacquire_held_locks+0x1f9/0x3e0 [ 42.398960] ? find_lock_task_mm+0x1c2/0x460 [ 42.403343] ? task_will_free_mem+0x252/0xaa0 [ 42.407816] ? print_irqtrace_events+0x270/0x270 [ 42.412551] ? ___ratelimit+0x30d/0x630 [ 42.416500] ? lock_downgrade+0x980/0x980 [ 42.420628] ? lock_release+0xa40/0xa40 [ 42.424581] ? mark_held_locks+0xaf/0x100 [ 42.428705] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 42.433783] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.438773] ? trace_hardirqs_on+0xd/0x10 [ 42.442899] ? ___ratelimit+0x95/0x630 [ 42.446763] ? idr_get_free_cmn+0xfd0/0xfd0 [ 42.451069] oom_kill_process+0x81b/0x9f0 [ 42.455190] ? oom_badness+0xd1/0x980 [ 42.458963] ? lock_release+0xa40/0xa40 [ 42.462914] ? oom_kill_memcg_member+0x20/0x20 [ 42.467480] ? oom_evaluate_task+0x480/0x480 [ 42.471869] ? out_of_memory+0xe1c/0x1790 [ 42.475990] ? lock_downgrade+0x980/0x980 [ 42.480119] ? lock_release+0xa40/0xa40 [ 42.484075] ? find_next_bit+0xcc/0x100 [ 42.488038] ? oom_evaluate_task+0x284/0x480 [ 42.492427] out_of_memory+0x9d5/0x1790 [ 42.496388] ? oom_killer_disable+0x310/0x310 [ 42.500863] ? mutex_trylock+0x23a/0x2d0 [ 42.504895] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 42.509799] ? __lock_is_held+0xb6/0x140 [ 42.513836] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 42.519273] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 42.524123] ? warn_alloc+0x2b0/0x2b0 [ 42.527907] ? warn_alloc+0x2b0/0x2b0 [ 42.531686] ? trace_hardirqs_off+0x10/0x10 [ 42.535983] ? warn_alloc+0x2b0/0x2b0 [ 42.539765] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.544950] ? check_noncircular+0x19/0x20 [ 42.549172] ? check_noncircular+0x20/0x20 [ 42.553382] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 42.558491] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 42.564360] ? __might_sleep+0x95/0x190 [ 42.568314] __alloc_pages_nodemask+0x9fb/0xd80 [ 42.572963] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 42.577952] ? __alloc_pages_nodemask+0xadb/0xd80 [ 42.582771] ? print_irqtrace_events+0x270/0x270 [ 42.587504] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 42.592502] ? find_held_lock+0x35/0x1d0 [ 42.596555] ? cache_grow_begin+0x3bb/0x570 [ 42.600860] cache_grow_begin+0x72/0x570 [ 42.604900] fallback_alloc+0x13b/0x2a0 [ 42.608861] ____cache_alloc_node+0x1cc/0x1e0 [ 42.613335] kmem_cache_alloc_trace+0x27d/0x750 [ 42.617979] ? dl_cpu_busy+0x370/0x370 [ 42.621865] do_syslog+0x5d7/0xb80 [ 42.625388] ? log_buf_vmcoreinfo_setup+0x120/0x120 [ 42.630378] ? prepare_to_wait+0x4d0/0x4d0 [ 42.634593] ? __lock_is_held+0xb6/0x140 [ 42.638634] kmsg_read+0x74/0xa0 [ 42.641973] ? kmsg_poll+0xa0/0xa0 [ 42.645489] proc_reg_read+0xe8/0x160 [ 42.649268] ? proc_reg_write+0x160/0x160 [ 42.653391] __vfs_read+0xef/0xa00 [ 42.656907] ? fsnotify+0x7b3/0x1140 [ 42.660602] ? vfs_copy_file_range+0x940/0x940 [ 42.665162] ? fsnotify_first_mark+0x2b0/0x2b0 [ 42.669721] ? avc_policy_seqno+0x9/0x20 [ 42.673757] ? selinux_file_permission+0x82/0x460 [ 42.678577] ? security_file_permission+0x89/0x1e0 [ 42.683485] ? rw_verify_area+0xe5/0x2b0 [ 42.687517] ? __fdget_raw+0x20/0x20 [ 42.691207] vfs_read+0x11e/0x350 [ 42.694641] SyS_read+0xef/0x220 [ 42.697987] ? kernel_write+0x120/0x120 [ 42.701937] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.706931] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.711669] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 42.716400] RIP: 0033:0x7f3db29f91fd [ 42.720085] RSP: 002b:00007f3daff98e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 42.727765] RAX: ffffffffffffffda RBX: 00007f3db25dae98 RCX: 00007f3db29f91fd [ 42.735024] RDX: 0000000000000fff RSI: 00007f3db17cd5a0 RDI: 0000000000000004 [ 42.742266] RBP: 00007f3db25dae40 R08: 0000000002516260 R09: 0000000000000000 [ 42.749509] R10: 0000000000000011 R11: 0000000000000293 R12: 0000000002573ea0 [ 42.756752] R13: 0000000000004f51 R14: 0000000000000000 R15: 0000000000000004 [ 42.764164] Mem-Info: [ 42.766585] active_anon:5574 inactive_anon:63 isolated_anon:0 [ 42.766585] active_file:12 inactive_file:14 isolated_file:0 [ 42.766585] unevictable:0 dirty:0 writeback:0 unstable:0 [ 42.766585] slab_reclaimable:7290 slab_unreclaimable:82983 [ 42.766585] mapped:2 shmem:70 pagetables:308 bounce:0 [ 42.766585] free:24232 free_pcp:72 free_cma:0 [ 42.798609] Node 0 active_anon:22296kB inactive_anon:252kB active_file:48kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 42.825502] 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 [ 42.851621] lowmem_reserve[]: 0 2870 6381 6381 [ 42.856209] Node 0 DMA32 free:44016kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 42.883453] lowmem_reserve[]: 0 0 3510 3510 [ 42.887779] Node 0 Normal free:37004kB min:37088kB low:46360kB high:55632kB active_anon:22296kB inactive_anon:252kB active_file:36kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3104kB pagetables:1232kB bounce:0kB free_pcp:288kB local_pcp:28kB free_cma:0kB [ 42.916498] lowmem_reserve[]: 0 0 0 0 [ 42.920302] 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 [ 42.933888] Node 0 DMA32: 4*4kB (M) 4*8kB (UM) 6*16kB (UM) 1*32kB (M) 1*64kB (M) 4*128kB (UM) 3*256kB (M) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44016kB [ 42.949126] Node 0 Normal: 391*4kB (UME) 366*8kB (ME) 262*16kB (ME) 193*32kB (UM) 91*64kB (UM) 36*128kB (MH) 34*256kB (UMH) 4*512kB (MH) 1*1024kB (H) 0*2048kB 0*4096kB = 37068kB [ 42.965137] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.973704] 96 total pagecache pages [ 42.977410] 0 pages in swap cache [ 42.980858] Swap cache stats: add 0, delete 0, find 0/0 [ 42.986208] Free swap = 0kB [ 42.989214] Total swap = 0kB [ 42.992220] 1965979 pages RAM [ 42.995314] 0 pages HighMem/MovableOnly [ 42.999272] 327775 pages reserved [ 43.002711] Unreclaimable slab info: [ 43.006413] Name Used Total [ 43.011940] hashtab_node 118KB 119KB [ 43.017291] ebitmap_node 382KB 385KB [ 43.022643] avtab_node 1012KB 1013KB [ 43.028000] TIPC 1KB 7KB [ 43.033387] SCTPv6 2KB 4KB [ 43.038742] DCCPv6 2KB 7KB [ 43.044096] DCCP 2KB 6KB [ 43.049462] fib6_nodes 0KB 4KB [ 43.054818] ip6_dst_cache 5KB 11KB [ 43.060173] RAWv6 9KB 13KB [ 43.065525] UDPv6 12KB 14KB [ 43.070877] TCPv6 2KB 5KB [ 43.076243] sd_ext_cdb 0KB 3KB [ 43.081595] scsi_sense_cache 60KB 124KB [ 43.086948] virtio_scsi_cmd 16KB 16KB [ 43.092302] sgpool-128 8KB 8KB [ 43.097656] sgpool-64 4KB 6KB [ 43.103030] sgpool-32 63KB 70KB [ 43.108393] sgpool-16 28KB 30KB [ 43.113747] sgpool-8 152KB 153KB [ 43.119103] cfq_io_cq 16KB 19KB [ 43.124455] cfq_queue 23KB 27KB [ 43.129820] mqueue_inode_cache 1KB 7KB [ 43.135261] nfs_commit_data 3KB 7KB [ 43.140612] nfs_write_data 34KB 37KB [ 43.145966] jbd2_inode 1KB 3KB [ 43.151319] ext4_system_zone 0KB 3KB [ 43.156676] bio-1 1KB 3KB [ 43.162045] rpc_buffers 17KB 19KB [ 43.167406] rpc_tasks 2KB 3KB [ 43.172768] UNIX 773KB 773KB [ 43.178122] tcp_bind_bucket 0KB 4KB [ 43.183476] ip_fib_trie 0KB 3KB [ 43.188826] ip_fib_alias 0KB 3KB [ 43.194179] ip_dst_cache 3KB 8KB [ 43.199532] RAW 5KB 7KB [ 43.204902] UDP 29KB 31KB [ 43.210258] TCP 7KB 7KB [ 43.215612] hugetlbfs_inode_cache 1KB 7KB [ 43.221316] eventpoll_pwq 10KB 15KB [ 43.226669] eventpoll_epi 19KB 23KB [ 43.232036] inotify_inode_mark 3KB 7KB [ 43.237489] request_queue 34KB 68KB [ 43.242846] blkdev_ioc 22KB 27KB [ 43.248205] bio-0 255KB 255KB [ 43.253561] biovec-(1<<(21-12)) 462KB 462KB [ 43.259090] biovec-64 97KB 102KB [ 43.264443] biovec-16 10KB 11KB [ 43.269796] bio_integrity_payload 0KB 4KB [ 43.275501] khugepaged_mm_slot 0KB 3KB [ 43.280945] uid_cache 0KB 3KB [ 43.286298] dmaengine-unmap-2 0KB 3KB [ 43.291655] audit_buffer 0KB 3KB [ 43.297030] skbuff_fclone_cache 140KB 146KB [ 43.302567] skbuff_head_cache 1992KB 1995KB [ 43.307924] configfs_dir_cache 0KB 4KB [ 43.313366] file_lock_cache 159KB 162KB [ 43.318721] file_lock_ctx 1KB 3KB [ 43.324077] fsnotify_mark_connector 2KB 3KB [ 43.329958] shmem_inode_cache 1055KB 1058KB [ 43.335311] task_delay_info 320KB 339KB [ 43.340664] sigqueue 369KB 370KB [ 43.346039] kernfs_node_cache 2292KB 2295KB [ 43.351399] mnt_cache 15KB 20KB [ 43.356752] filp 8326KB 8775KB [ 43.362113] names_cache 110848KB 110886KB [ 43.367469] avc_node 37KB 39KB [ 43.372822] selinux_file_security 421KB 496KB [ 43.378522] selinux_inode_security 1954KB 1960KB [ 43.384309] key_jar 3KB 7KB [ 43.389661] nsproxy 0KB 3KB [ 43.395033] vm_area_struct 18802KB 18813KB [ 43.400395] mm_struct 4553KB 4562KB [ 43.405749] fs_cache 428KB 432KB [ 43.411100] files_cache 1605KB 1608KB [ 43.416452] signal_cache 2558KB 2565KB [ 43.421803] sighand_cache 222KB 339KB [ 43.427154] task_struct 10920KB 10927KB [ 43.432507] cred_jar 2366KB 2372KB [ 43.437862] anon_vma_chain 7893KB 7898KB [ 43.443216] anon_vma 136KB 354KB [ 43.448568] pid 223KB 252KB [ 43.453923] Acpi-Operand 106KB 170KB [ 43.459278] Acpi-Namespace 19KB 23KB [ 43.464634] numa_policy 0KB 3KB [ 43.469986] debug_objects_cache 532KB 535KB [ 43.475527] trace_event_file 145KB 147KB [ 43.480885] ftrace_event_field 257KB 259KB [ 43.486324] pool_workqueue 24KB 28KB [ 43.491682] page->ptl 3104KB 3111KB [ 43.497055] kmalloc-262144 1032KB 1032KB [ 43.502410] kmalloc-131072 650KB 650KB [ 43.507764] kmalloc-65536 264KB 264KB [ 43.513141] kmalloc-32768 825KB 825KB [ 43.518495] kmalloc-16384 181KB 181KB [ 43.523851] kmalloc-8192 519KB 519KB [ 43.529208] kmalloc-4096 6438KB 6477KB [ 43.534561] kmalloc-2048 3240KB 3244KB [ 43.539916] kmalloc-1024 3535KB 3535KB [ 43.545271] kmalloc-512 2796KB 2801KB [ 43.550626] kmalloc-256 1930KB 2441KB [ 43.555981] kmalloc-128 408KB 519KB [ 43.561336] kmalloc-96 2060KB 2060KB [ 43.566689] kmalloc-64 2475KB 2476KB [ 43.572048] kmalloc-32 2404KB 2405KB [ 43.577401] kmalloc-192 911KB 912KB [ 43.582753] kmem_cache 101KB 105KB [ 43.588103] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 43.596692] [ 1827] 0 1827 5385 177 90112 0 -1000 udevd [ 43.604832] [ 3520] 0 3520 14261 175 118784 0 0 rsyslogd [ 43.613247] [ 3575] 0 3575 4725 51 86016 0 0 cron [ 43.621319] [ 3577] 0 3577 3735 44 69632 0 0 mcstransd [ 43.629829] [ 3621] 0 3621 12490 152 131072 0 -1000 sshd [ 43.637902] [ 3645] 0 3645 3694 40 73728 0 0 getty [ 43.646052] [ 3646] 0 3646 3694 40 77824 0 0 getty [ 43.654744] [ 3647] 0 3647 3694 41 77824 0 0 getty [ 43.662887] [ 3648] 0 3648 3694 42 65536 0 0 getty [ 43.671046] [ 3649] 0 3649 3694 40 77824 0 0 getty [ 43.679195] [ 3650] 0 3650 3694 39 73728 0 0 getty [ 43.687336] [ 3651] 0 3651 3649 41 77824 0 0 getty [ 43.695475] [ 3653] 0 3653 5681 456 86016 0 -1000 udevd [ 43.703617] [ 3654] 0 3654 5681 456 86016 0 -1000 udevd [ 43.711760] [ 3673] 0 3673 17821 198 184320 0 0 sshd [ 43.719815] [ 3675] 0 3675 280 1 32768 0 0 syzkaller705125 [ 43.728833] [ 3676] 0 3676 4043 0 32768 0 0 syzkaller705125 [ 43.737847] [ 3677] 0 3677 4043 523 36864 0 0 syzkaller705125 [ 43.746862] [ 3678] 0 3678 4043 523 36864 0 0 syzkaller705125 [ 43.755885] [ 3679] 0 3679 4043 523 36864 0 0 syzkaller705125 [ 43.764897] [ 3680] 0 3680 4043 523 36864 0 0 syzkaller705125 [ 43.773912] [ 3681] 0 3681 4043 523 36864 0 0 syzkaller705125 [ 43.782921] [ 3682] 0 3682 4043 523 36864 0 0 syzkaller705125 [ 43.791933] [ 3683] 0 3683 4043 523 36864 0 0 syzkaller705125 [ 43.800939] Out of memory: Kill process 3677 (syzkaller705125) score 0 or sacrifice child [ 43.809261] Killed process 3677 (syzkaller705125) total-vm:16172kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 43.872650] oom_reaper: reaped process 3677 (syzkaller705125), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.885509] syzkaller705125 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 43.897839] syzkaller705125 cpuset=/ mems_allowed=0 [ 43.902867] CPU: 1 PID: 3681 Comm: syzkaller705125 Not tainted 4.15.0-rc8-next-20180119+ #102 [ 43.911507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.920832] Call Trace: [ 43.923397] dump_stack+0x194/0x257 [ 43.927003] ? arch_local_irq_restore+0x53/0x53 [ 43.931656] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.936825] dump_header+0x28c/0xe2b [ 43.940515] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.945678] ? lock_release+0xa40/0xa40 [ 43.949629] ? pagefault_out_of_memory+0x145/0x145 [ 43.954528] ? __lock_acquire+0x664/0x3e00 [ 43.958737] ? print_irqtrace_events+0x270/0x270 [ 43.963472] ? avc_has_perm_noaudit+0x37e/0x520 [ 43.968118] ? avc_has_extended_perms+0x12c0/0x12c0 [ 43.973105] ? check_noncircular+0x20/0x20 [ 43.977314] ? check_noncircular+0x20/0x20 [ 43.981520] ? check_noncircular+0x20/0x20 [ 43.985727] ? reacquire_held_locks+0x1f9/0x3e0 [ 43.990365] ? reacquire_held_locks+0x1f9/0x3e0 [ 43.995013] ? find_lock_task_mm+0x1c2/0x460 [ 43.999413] ? task_will_free_mem+0x252/0xaa0 [ 44.003894] ? print_irqtrace_events+0x270/0x270 [ 44.008630] ? ___ratelimit+0x30d/0x630 [ 44.012582] ? lock_downgrade+0x980/0x980 [ 44.016723] ? lock_release+0xa40/0xa40 [ 44.020683] ? mark_held_locks+0xaf/0x100 [ 44.024808] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 44.029887] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.034888] ? trace_hardirqs_on+0xd/0x10 [ 44.039031] ? ___ratelimit+0x95/0x630 [ 44.042901] ? idr_get_free_cmn+0xfd0/0xfd0 [ 44.047210] oom_kill_process+0x81b/0x9f0 [ 44.051337] ? oom_badness+0xd1/0x980 [ 44.055112] ? lock_release+0xa40/0xa40 [ 44.059069] ? oom_kill_memcg_member+0x20/0x20 [ 44.063622] ? mark_held_locks+0xaf/0x100 [ 44.067748] ? oom_evaluate_task+0x480/0x480 [ 44.072155] ? out_of_memory+0xe1c/0x1790 [ 44.076291] ? lock_downgrade+0x980/0x980 [ 44.080436] ? lock_release+0xa40/0xa40 [ 44.084419] ? oom_evaluate_task+0x284/0x480 [ 44.088822] out_of_memory+0x9d5/0x1790 [ 44.092794] ? oom_killer_disable+0x310/0x310 [ 44.097277] ? mutex_trylock+0x23a/0x2d0 [ 44.101316] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 44.106226] ? __lock_is_held+0xb6/0x140 [ 44.110278] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 44.115734] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 44.120604] ? warn_alloc+0x2b0/0x2b0 [ 44.124400] ? lock_release+0xa40/0xa40 [ 44.128368] ? print_irqtrace_events+0x270/0x270 [ 44.133126] ? find_held_lock+0x35/0x1d0 [ 44.137193] ? __mutex_lock+0x5bd/0x1a80 [ 44.141249] ? __lock_acquire+0x664/0x3e00 [ 44.145473] ? lock_release+0xa40/0xa40 [ 44.149443] ? do_raw_spin_trylock+0x190/0x190 [ 44.154009] ? check_noncircular+0x20/0x20 [ 44.158228] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.163414] ? __lock_is_held+0xb6/0x140 [ 44.167489] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.173364] ? find_held_lock+0x35/0x1d0 [ 44.177429] ? __might_sleep+0x95/0x190 [ 44.181403] __alloc_pages_nodemask+0x9fb/0xd80 [ 44.186065] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 44.191071] ? check_noncircular+0x20/0x20 [ 44.195307] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 44.200234] ? print_irqtrace_events+0x270/0x270 [ 44.204971] ? __lock_is_held+0xb6/0x140 [ 44.209019] ? find_next_bit+0xcc/0x100 [ 44.212985] pcpu_populate_chunk+0x1b3/0x880 [ 44.217376] ? find_next_bit+0x27/0x100 [ 44.221356] pcpu_alloc+0x978/0x10e0 [ 44.225079] ? pcpu_free_area+0xa00/0xa00 [ 44.229226] ? vmap_page_range_noflush+0x523/0x720 [ 44.234153] ? retint_kernel+0x10/0x10 [ 44.238024] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.243031] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.247787] ? retint_kernel+0x10/0x10 [ 44.251684] __alloc_percpu_gfp+0x27/0x30 [ 44.255828] array_map_alloc+0x490/0x630 [ 44.259874] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 44.265136] SyS_bpf+0x93c/0x4860 [ 44.268576] ? perf_event_mmap+0x115/0x12a0 [ 44.272876] ? bpf_prog_get+0x20/0x20 [ 44.276654] ? perf_event_fork+0x30/0x30 [ 44.280699] ? __lock_is_held+0xb6/0x140 [ 44.284737] ? vma_wants_writenotify+0x51/0x3b0 [ 44.289396] ? __handle_mm_fault+0x80e/0x3ce0 [ 44.293882] ? __pmd_alloc+0x4e0/0x4e0 [ 44.297747] ? check_noncircular+0x20/0x20 [ 44.301964] ? check_noncircular+0x20/0x20 [ 44.306172] ? find_held_lock+0x35/0x1d0 [ 44.310214] ? handle_mm_fault+0x2a0/0x930 [ 44.314425] ? find_held_lock+0x35/0x1d0 [ 44.318468] ? __do_page_fault+0x5f7/0xc90 [ 44.322676] ? lock_downgrade+0x980/0x980 [ 44.326804] ? handle_mm_fault+0x476/0x930 [ 44.331017] ? down_read_trylock+0xdb/0x170 [ 44.335334] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 44.339896] ? vmacache_find+0x5f/0x280 [ 44.343844] ? vmacache_update+0xfe/0x130 [ 44.347972] ? up_read+0x1a/0x40 [ 44.351322] ? __do_page_fault+0x3d6/0xc90 [ 44.355560] ? mm_fault_error+0x2c0/0x2c0 [ 44.359717] ? do_page_fault+0xee/0x720 [ 44.363686] ? __do_page_fault+0xc90/0xc90 [ 44.367914] ? SyS_mmap_pgoff+0x243/0x5f0 [ 44.372060] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.376799] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 44.381530] RIP: 0033:0x440179 [ 44.384701] RSP: 002b:00007fff849bdcf8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 44.392641] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 44.399885] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 44.407133] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 44.414385] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 44.421634] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 44.428941] Mem-Info: [ 44.431370] active_anon:5058 inactive_anon:63 isolated_anon:0 [ 44.431370] active_file:34 inactive_file:17 isolated_file:0 [ 44.431370] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.431370] slab_reclaimable:7290 slab_unreclaimable:82961 [ 44.431370] mapped:27 shmem:70 pagetables:308 bounce:0 [ 44.431370] free:23833 free_pcp:11 free_cma:0 [ 44.463511] Node 0 active_anon:20232kB inactive_anon:252kB active_file:136kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:108kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 44.491213] 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 [ 44.517362] lowmem_reserve[]: 0 2870 6381 6381 [ 44.521967] Node 0 DMA32 free:44016kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.549133] lowmem_reserve[]: 0 0 3510 3510 [ 44.553492] Node 0 Normal free:35408kB min:37088kB low:46360kB high:55632kB active_anon:20232kB inactive_anon:252kB active_file:44kB inactive_file:288kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3104kB pagetables:1232kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB [ 44.582232] lowmem_reserve[]: 0 0 0 0 [ 44.586053] 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 [ 44.599641] Node 0 DMA32: 4*4kB (M) 4*8kB (UM) 6*16kB (UM) 1*32kB (M) 1*64kB (M) 4*128kB (UM) 3*256kB (M) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44016kB [ 44.614933] Node 0 Normal: 399*4kB (UME) 354*8kB (UME) 259*16kB (UME) 184*32kB (M) 92*64kB (UM) 34*128kB (MH) 31*256kB (MH) 3*512kB (MH) 1*1024kB (H) 0*2048kB 0*4096kB = 35196kB [ 44.630951] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.639532] 120 total pagecache pages [ 44.643349] 0 pages in swap cache [ 44.646796] Swap cache stats: add 0, delete 0, find 0/0 [ 44.652145] Free swap = 0kB [ 44.655161] Total swap = 0kB [ 44.658185] 1965979 pages RAM [ 44.661297] 0 pages HighMem/MovableOnly [ 44.665281] 327775 pages reserved [ 44.668728] Unreclaimable slab info: [ 44.672429] Name Used Total [ 44.677957] hashtab_node 118KB 119KB [ 44.683321] ebitmap_node 382KB 385KB [ 44.688682] avtab_node 1012KB 1013KB [ 44.694050] TIPC 1KB 7KB [ 44.699422] SCTPv6 2KB 4KB [ 44.704804] DCCPv6 2KB 7KB [ 44.710167] DCCP 2KB 6KB [ 44.715554] fib6_nodes 0KB 4KB [ 44.720918] ip6_dst_cache 11KB 11KB [ 44.726276] RAWv6 9KB 13KB [ 44.731643] UDPv6 12KB 14KB [ 44.737028] TCPv6 2KB 5KB [ 44.742401] sd_ext_cdb 0KB 3KB [ 44.747767] scsi_sense_cache 60KB 124KB [ 44.753144] virtio_scsi_cmd 16KB 16KB [ 44.758505] sgpool-128 8KB 8KB [ 44.763858] sgpool-64 4KB 6KB [ 44.769224] sgpool-32 78KB 78KB [ 44.774586] sgpool-16 30KB 30KB [ 44.779938] sgpool-8 157KB 157KB [ 44.785309] cfq_io_cq 16KB 19KB [ 44.790669] cfq_queue 23KB 27KB [ 44.796033] mqueue_inode_cache 1KB 7KB [ 44.801497] nfs_commit_data 3KB 7KB [ 44.806857] nfs_write_data 34KB 37KB [ 44.812209] jbd2_inode 1KB 3KB [ 44.817576] ext4_system_zone 0KB 3KB [ 44.822945] bio-1 1KB 3KB [ 44.828301] rpc_buffers 17KB 19KB [ 44.833673] rpc_tasks 2KB 3KB [ 44.839053] UNIX 773KB 773KB [ 44.844419] tcp_bind_bucket 0KB 4KB [ 44.849793] ip_fib_trie 0KB 3KB [ 44.855168] ip_fib_alias 0KB 3KB [ 44.860527] ip_dst_cache 3KB 8KB [ 44.865880] RAW 5KB 7KB [ 44.871252] UDP 29KB 31KB [ 44.876612] TCP 7KB 7KB [ 44.881973] hugetlbfs_inode_cache 1KB 7KB [ 44.887687] eventpoll_pwq 10KB 15KB [ 44.893060] eventpoll_epi 19KB 23KB [ 44.898421] inotify_inode_mark 3KB 7KB [ 44.903860] request_queue 34KB 68KB [ 44.909227] blkdev_ioc 22KB 27KB [ 44.914591] bio-0 262KB 262KB [ 44.919944] biovec-(1<<(21-12)) 462KB 462KB [ 44.925490] biovec-64 102KB 102KB [ 44.930852] biovec-16 15KB 15KB [ 44.936205] bio_integrity_payload 0KB 4KB [ 44.941904] khugepaged_mm_slot 0KB 3KB [ 44.947366] uid_cache 0KB 3KB [ 44.952727] dmaengine-unmap-2 0KB 3KB [ 44.958080] audit_buffer 0KB 3KB [ 44.963447] skbuff_fclone_cache 140KB 146KB [ 44.968987] skbuff_head_cache 1995KB 1995KB [ 44.974344] configfs_dir_cache 0KB 4KB [ 44.979798] file_lock_cache 159KB 162KB [ 44.985171] file_lock_ctx 1KB 3KB [ 44.990534] fsnotify_mark_connector 2KB 3KB [ 44.996410] shmem_inode_cache 1055KB 1058KB [ 45.001781] task_delay_info 320KB 339KB [ 45.007154] sigqueue 369KB 370KB [ 45.012517] kernfs_node_cache 2292KB 2295KB [ 45.017871] mnt_cache 15KB 20KB [ 45.023253] filp 8326KB 8775KB [ 45.028622] names_cache 110848KB 110886KB [ 45.033998] avc_node 37KB 39KB [ 45.039375] selinux_file_security 421KB 496KB [ 45.045098] selinux_inode_security 1954KB 1960KB [ 45.050894] key_jar 3KB 7KB [ 45.056251] nsproxy 0KB 3KB [ 45.061618] vm_area_struct 18802KB 18813KB [ 45.066979] mm_struct 4553KB 4562KB [ 45.072333] fs_cache 428KB 432KB [ 45.077699] files_cache 1605KB 1608KB [ 45.083075] signal_cache 2558KB 2565KB [ 45.088437] sighand_cache 222KB 339KB [ 45.093809] task_struct 10920KB 10927KB [ 45.099191] cred_jar 2366KB 2372KB [ 45.104554] anon_vma_chain 7893KB 7898KB [ 45.109908] anon_vma 136KB 354KB [ 45.115275] pid 223KB 252KB [ 45.120642] Acpi-Operand 106KB 170KB [ 45.126000] Acpi-Namespace 19KB 23KB [ 45.131394] numa_policy 0KB 3KB [ 45.136766] debug_objects_cache 532KB 535KB [ 45.142291] trace_event_file 145KB 147KB [ 45.147660] ftrace_event_field 257KB 259KB [ 45.153123] pool_workqueue 24KB 28KB [ 45.158493] page->ptl 3104KB 3111KB [ 45.163860] kmalloc-262144 1032KB 1032KB [ 45.169236] kmalloc-131072 650KB 650KB [ 45.174596] kmalloc-65536 264KB 264KB [ 45.179948] kmalloc-32768 825KB 825KB [ 45.185313] kmalloc-16384 181KB 181KB [ 45.190671] kmalloc-8192 519KB 519KB [ 45.196033] kmalloc-4096 6438KB 6477KB [ 45.201403] kmalloc-2048 3240KB 3244KB [ 45.206762] kmalloc-1024 3535KB 3535KB [ 45.212112] kmalloc-512 2801KB 2801KB [ 45.217476] kmalloc-256 1930KB 2441KB [ 45.222838] kmalloc-128 408KB 519KB [ 45.228191] kmalloc-96 2060KB 2060KB [ 45.233555] kmalloc-64 2476KB 2476KB [ 45.238916] kmalloc-32 2404KB 2405KB [ 45.244269] kmalloc-192 911KB 912KB [ 45.249634] kmem_cache 101KB 105KB [ 45.254994] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 45.263608] [ 1827] 0 1827 5385 177 90112 0 -1000 udevd [ 45.271777] [ 3520] 0 3520 14261 175 118784 0 0 rsyslogd [ 45.280200] [ 3575] 0 3575 4725 51 86016 0 0 cron [ 45.288265] [ 3577] 0 3577 3735 44 69632 0 0 mcstransd [ 45.296748] [ 3621] 0 3621 12490 152 131072 0 -1000 sshd [ 45.304802] [ 3645] 0 3645 3694 40 73728 0 0 getty [ 45.312942] [ 3646] 0 3646 3694 40 77824 0 0 getty [ 45.321102] [ 3647] 0 3647 3694 41 77824 0 0 getty [ 45.329269] [ 3648] 0 3648 3694 42 65536 0 0 getty [ 45.337436] [ 3649] 0 3649 3694 40 77824 0 0 getty [ 45.345601] [ 3650] 0 3650 3694 39 73728 0 0 getty [ 45.353768] [ 3651] 0 3651 3649 41 77824 0 0 getty [ 45.361922] [ 3653] 0 3653 5681 456 86016 0 -1000 udevd [ 45.370068] [ 3654] 0 3654 5681 456 86016 0 -1000 udevd [ 45.378211] [ 3673] 0 3673 17821 198 184320 0 0 sshd [ 45.386262] [ 3675] 0 3675 280 1 32768 0 0 syzkaller705125 [ 45.395284] [ 3676] 0 3676 4043 0 32768 0 0 syzkaller705125 [ 45.404306] [ 3677] 0 3677 4043 0 32768 0 0 syzkaller705125 [ 45.413332] [ 3678] 0 3678 4043 523 36864 0 0 syzkaller705125 [ 45.422343] [ 3679] 0 3679 4043 523 36864 0 0 syzkaller705125 [ 45.431367] [ 3680] 0 3680 4043 523 36864 0 0 syzkaller705125 [ 45.440378] [ 3681] 0 3681 4043 523 36864 0 0 syzkaller705125 [ 45.449400] [ 3682] 0 3682 4043 523 36864 0 0 syzkaller705125 [ 45.458411] [ 3683] 0 3683 4043 523 36864 0 0 syzkaller705125 [ 45.467427] Out of memory: Kill process 3678 (syzkaller705125) score 0 or sacrifice child [ 45.475774] Killed process 3678 (syzkaller705125) total-vm:16172kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 45.489578] oom_reaper: reaped process 3678 (syzkaller705125), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 45.499943] syzkaller705125 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 45.512289] syzkaller705125 cpuset=/ mems_allowed=0 [ 45.517338] CPU: 1 PID: 3683 Comm: syzkaller705125 Not tainted 4.15.0-rc8-next-20180119+ #102 [ 45.525979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.535310] Call Trace: [ 45.537885] dump_stack+0x194/0x257 [ 45.541492] ? arch_local_irq_restore+0x53/0x53 [ 45.546149] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.551340] dump_header+0x28c/0xe2b [ 45.555052] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.560231] ? lock_release+0xa40/0xa40 [ 45.564186] ? pagefault_out_of_memory+0x145/0x145 [ 45.569097] ? __lock_acquire+0x664/0x3e00 [ 45.573328] ? print_irqtrace_events+0x270/0x270 [ 45.578073] ? avc_has_perm_noaudit+0x37e/0x520 [ 45.582721] ? avc_has_extended_perms+0x12c0/0x12c0 [ 45.587714] ? check_noncircular+0x20/0x20 [ 45.591930] ? check_noncircular+0x20/0x20 [ 45.596139] ? check_noncircular+0x20/0x20 [ 45.600349] ? reacquire_held_locks+0x1f9/0x3e0 [ 45.605003] ? reacquire_held_locks+0x1f9/0x3e0 [ 45.609663] ? find_lock_task_mm+0x1c2/0x460 [ 45.614055] ? task_will_free_mem+0x252/0xaa0 [ 45.618531] ? print_irqtrace_events+0x270/0x270 [ 45.623280] ? ___ratelimit+0x30d/0x630 [ 45.627243] ? lock_downgrade+0x980/0x980 [ 45.631385] ? lock_release+0xa40/0xa40 [ 45.635354] ? mark_held_locks+0xaf/0x100 [ 45.639499] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 45.644585] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.649583] ? trace_hardirqs_on+0xd/0x10 [ 45.653709] ? ___ratelimit+0x95/0x630 [ 45.657574] ? idr_get_free_cmn+0xfd0/0xfd0 [ 45.661881] oom_kill_process+0x81b/0x9f0 [ 45.666006] ? oom_badness+0xd1/0x980 [ 45.669785] ? lock_release+0xa40/0xa40 [ 45.673754] ? oom_kill_memcg_member+0x20/0x20 [ 45.678325] ? oom_evaluate_task+0x480/0x480 [ 45.682716] ? out_of_memory+0xe1c/0x1790 [ 45.686843] ? lock_downgrade+0x980/0x980 [ 45.690968] ? lock_release+0xa40/0xa40 [ 45.694926] ? oom_evaluate_task+0x284/0x480 [ 45.699323] out_of_memory+0x9d5/0x1790 [ 45.703304] ? oom_killer_disable+0x310/0x310 [ 45.707798] ? mutex_trylock+0x23a/0x2d0 [ 45.711839] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 45.716742] ? __lock_is_held+0xb6/0x140 [ 45.720777] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 45.726209] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 45.731078] ? warn_alloc+0x2b0/0x2b0 [ 45.734862] ? check_noncircular+0x20/0x20 [ 45.739081] ? check_noncircular+0x20/0x20 [ 45.743310] ? print_irqtrace_events+0x270/0x270 [ 45.748058] ? put_prev_task_fair+0x80/0x80 [ 45.752365] ? find_held_lock+0x35/0x1d0 [ 45.756408] ? __mutex_lock+0x5bd/0x1a80 [ 45.760452] ? __lock_acquire+0x664/0x3e00 [ 45.764664] ? lock_release+0xa40/0xa40 [ 45.768619] ? do_raw_spin_trylock+0x190/0x190 [ 45.773189] ? check_noncircular+0x20/0x20 [ 45.777423] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.782615] ? __lock_is_held+0xb6/0x140 [ 45.786666] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 45.792547] ? __might_sleep+0x95/0x190 [ 45.796509] __alloc_pages_nodemask+0x9fb/0xd80 [ 45.801177] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 45.806184] ? check_noncircular+0x20/0x20 [ 45.810396] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 45.815316] ? print_irqtrace_events+0x270/0x270 [ 45.820078] ? __lock_is_held+0xb6/0x140 [ 45.824125] ? find_next_bit+0xcc/0x100 [ 45.828093] pcpu_populate_chunk+0x1b3/0x880 [ 45.832477] ? find_next_bit+0x27/0x100 [ 45.836433] pcpu_alloc+0x978/0x10e0 [ 45.840132] ? pcpu_free_area+0xa00/0xa00 [ 45.844252] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 45.848725] ? vmap_page_range_noflush+0x523/0x720 [ 45.853662] ? retint_kernel+0x10/0x10 [ 45.857539] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.862540] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 45.867290] ? retint_kernel+0x10/0x10 [ 45.871198] __alloc_percpu_gfp+0x27/0x30 [ 45.875339] array_map_alloc+0x490/0x630 [ 45.879395] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 45.884665] SyS_bpf+0x93c/0x4860 [ 45.888100] ? perf_event_mmap+0x115/0x12a0 [ 45.892399] ? bpf_prog_get+0x20/0x20 [ 45.896180] ? perf_event_fork+0x30/0x30 [ 45.900223] ? __lock_is_held+0xb6/0x140 [ 45.904262] ? vma_wants_writenotify+0x51/0x3b0 [ 45.908910] ? __handle_mm_fault+0x80e/0x3ce0 [ 45.913394] ? __pmd_alloc+0x4e0/0x4e0 [ 45.917267] ? check_noncircular+0x20/0x20 [ 45.921495] ? check_noncircular+0x20/0x20 [ 45.925725] ? find_held_lock+0x35/0x1d0 [ 45.929789] ? handle_mm_fault+0x2a0/0x930 [ 45.934007] ? find_held_lock+0x35/0x1d0 [ 45.938053] ? __do_page_fault+0x5f7/0xc90 [ 45.942267] ? lock_downgrade+0x980/0x980 [ 45.946398] ? handle_mm_fault+0x476/0x930 [ 45.950607] ? down_read_trylock+0xdb/0x170 [ 45.954913] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 45.959475] ? vmacache_find+0x5f/0x280 [ 45.963437] ? vmacache_update+0xfe/0x130 [ 45.967583] ? up_read+0x1a/0x40 [ 45.970932] ? __do_page_fault+0x3d6/0xc90 [ 45.975170] ? mm_fault_error+0x2c0/0x2c0 [ 45.979323] ? do_page_fault+0xee/0x720 [ 45.983292] ? __do_page_fault+0xc90/0xc90 [ 45.987530] ? SyS_mmap_pgoff+0x243/0x5f0 [ 45.991692] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 45.996456] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 46.001193] RIP: 0033:0x440179 [ 46.004359] RSP: 002b:00007fff849bdcf8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 46.012056] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 46.019305] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 46.026552] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 46.033802] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 46.041055] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 46.048390] Mem-Info: [ 46.050817] active_anon:4540 inactive_anon:63 isolated_anon:0 [ 46.050817] active_file:14 inactive_file:12 isolated_file:0 [ 46.050817] unevictable:0 dirty:0 writeback:0 unstable:0 [ 46.050817] slab_reclaimable:7290 slab_unreclaimable:82948 [ 46.050817] mapped:2 shmem:70 pagetables:306 bounce:0 [ 46.050817] free:24259 free_pcp:60 free_cma:0 [ 46.082853] Node 0 active_anon:18160kB inactive_anon:252kB active_file:56kB inactive_file:48kB 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 [ 46.109750] 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 [ 46.135878] lowmem_reserve[]: 0 2870 6381 6381 [ 46.140490] Node 0 DMA32 free:44016kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 46.167670] lowmem_reserve[]: 0 0 3510 3510 [ 46.172029] Node 0 Normal free:37112kB min:37088kB low:46360kB high:55632kB active_anon:18160kB inactive_anon:252kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3104kB pagetables:1224kB bounce:0kB free_pcp:240kB local_pcp:240kB free_cma:0kB [ 46.200862] lowmem_reserve[]: 0 0 0 0 [ 46.204687] 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 [ 46.218326] Node 0 DMA32: 4*4kB (M) 4*8kB (UM) 6*16kB (UM) 1*32kB (M) 1*64kB (M) 4*128kB (UM) 3*256kB (M) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44016kB [ 46.233621] Node 0 Normal: 380*4kB (UME) 351*8kB (ME) 259*16kB (UME) 185*32kB (M) 91*64kB (M) 34*128kB (MH) 31*256kB (MH) 3*512kB (MH) 1*1024kB (H) 1*2048kB (M) 0*4096kB = 37112kB [ 46.249814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 46.258392] 96 total pagecache pages [ 46.262118] 0 pages in swap cache [ 46.265577] Swap cache stats: add 0, delete 0, find 0/0 [ 46.270936] Free swap = 0kB [ 46.273954] Total swap = 0kB [ 46.276967] 1965979 pages RAM [ 46.280075] 0 pages HighMem/MovableOnly [ 46.284055] 327775 pages reserved [ 46.287508] Unreclaimable slab info: [ 46.291223] Name Used Total [ 46.296766] hashtab_node 118KB 119KB [ 46.302148] ebitmap_node 382KB 385KB [ 46.307519] avtab_node 1012KB 1013KB [ 46.312887] TIPC 1KB 7KB [ 46.318259] SCTPv6 2KB 4KB [ 46.323632] DCCPv6 2KB 7KB [ 46.328999] DCCP 2KB 6KB [ 46.334421] fib6_nodes 0KB 4KB [ 46.339793] ip6_dst_cache 11KB 11KB [ 46.345164] RAWv6 9KB 13KB [ 46.350535] UDPv6 12KB 14KB [ 46.355906] TCPv6 2KB 5KB [ 46.361280] sd_ext_cdb 0KB 3KB [ 46.366647] scsi_sense_cache 60KB 124KB [ 46.372032] virtio_scsi_cmd 16KB 16KB [ 46.377412] sgpool-128 8KB 8KB [ 46.382781] sgpool-64 4KB 6KB [ 46.388158] sgpool-32 78KB 78KB [ 46.393525] sgpool-16 30KB 30KB [ 46.398912] sgpool-8 161KB 161KB [ 46.404288] cfq_io_cq 16KB 19KB [ 46.409656] cfq_queue 23KB 27KB [ 46.415038] mqueue_inode_cache 1KB 7KB [ 46.420495] nfs_commit_data 3KB 7KB [ 46.425861] nfs_write_data 34KB 37KB [ 46.431226] jbd2_inode 1KB 3KB [ 46.436596] ext4_system_zone 0KB 3KB [ 46.441982] bio-1 1KB 3KB [ 46.447355] rpc_buffers 17KB 19KB [ 46.452721] rpc_tasks 2KB 3KB [ 46.458102] UNIX 773KB 773KB [ 46.463477] tcp_bind_bucket 0KB 4KB [ 46.468851] ip_fib_trie 0KB 3KB [ 46.474221] ip_fib_alias 0KB 3KB [ 46.479598] ip_dst_cache 3KB 8KB [ 46.485582] RAW 5KB 7KB [ 46.490949] UDP 29KB 31KB [ 46.496321] TCP 7KB 7KB [ 46.501690] hugetlbfs_inode_cache 1KB 7KB [ 46.507408] eventpoll_pwq 10KB 15KB [ 46.512778] eventpoll_epi 19KB 23KB [ 46.518153] inotify_inode_mark 3KB 7KB [ 46.523611] request_queue 34KB 68KB [ 46.528976] blkdev_ioc 22KB 27KB [ 46.534351] bio-0 266KB 266KB [ 46.539722] biovec-(1<<(21-12)) 462KB 462KB [ 46.545262] biovec-64 102KB 102KB [ 46.550632] biovec-16 15KB 15KB [ 46.556004] bio_integrity_payload 0KB 4KB [ 46.561745] khugepaged_mm_slot 0KB 3KB [ 46.567203] uid_cache 0KB 3KB [ 46.572577] dmaengine-unmap-2 0KB 3KB [ 46.577952] audit_buffer 0KB 3KB [ 46.583324] skbuff_fclone_cache 140KB 146KB [ 46.588878] skbuff_head_cache 1995KB 1995KB [ 46.594255] configfs_dir_cache 0KB 4KB [ 46.599734] file_lock_cache 159KB 162KB [ 46.605115] file_lock_ctx 1KB 3KB [ 46.610492] fsnotify_mark_connector 2KB 3KB [ 46.616395] shmem_inode_cache 1055KB 1058KB [ 46.621769] task_delay_info 320KB 339KB [ 46.627141] sigqueue 369KB 370KB [ 46.632512] kernfs_node_cache 2292KB 2295KB [ 46.637881] mnt_cache 15KB 20KB [ 46.643248] filp 8295KB 8748KB [ 46.648619] names_cache 110840KB 110878KB [ 46.653992] avc_node 37KB 39KB [ 46.659361] selinux_file_security 418KB 496KB [ 46.665074] selinux_inode_security 1954KB 1960KB [ 46.670883] key_jar 3KB 7KB [ 46.676255] nsproxy 0KB 3KB [ 46.681624] vm_area_struct 18802KB 18813KB [ 46.686985] mm_struct 4553KB 4562KB [ 46.692374] fs_cache 428KB 432KB [ 46.697747] files_cache 1605KB 1608KB [ 46.703123] signal_cache 2558KB 2565KB [ 46.708496] sighand_cache 222KB 339KB [ 46.713870] task_struct 10920KB 10920KB [ 46.719244] cred_jar 2366KB 2372KB [ 46.724618] anon_vma_chain 7893KB 7898KB [ 46.729993] anon_vma 135KB 350KB [ 46.735368] pid 223KB 252KB [ 46.740740] Acpi-Operand 106KB 170KB [ 46.746125] Acpi-Namespace 19KB 23KB [ 46.751496] numa_policy 0KB 3KB [ 46.756877] debug_objects_cache 531KB 535KB [ 46.762424] trace_event_file 145KB 147KB [ 46.767798] ftrace_event_field 257KB 259KB [ 46.773250] pool_workqueue 24KB 28KB [ 46.778622] page->ptl 3104KB 3111KB [ 46.784040] kmalloc-262144 1032KB 1032KB [ 46.789411] kmalloc-131072 650KB 650KB [ 46.794781] kmalloc-65536 264KB 264KB [ 46.800157] kmalloc-32768 825KB 825KB [ 46.805536] kmalloc-16384 181KB 181KB [ 46.810902] kmalloc-8192 519KB 519KB [ 46.816274] kmalloc-4096 6430KB 6468KB [ 46.821642] kmalloc-2048 3240KB 3244KB [ 46.827008] kmalloc-1024 3535KB 3535KB [ 46.832406] kmalloc-512 2801KB 2801KB [ 46.837774] kmalloc-256 1929KB 2441KB [ 46.843145] kmalloc-128 408KB 519KB [ 46.848522] kmalloc-96 2060KB 2060KB [ 46.853893] kmalloc-64 2475KB 2476KB [ 46.859262] kmalloc-32 2402KB 2405KB [ 46.864634] kmalloc-192 911KB 912KB [ 46.870006] kmem_cache 101KB 105KB [ 46.875399] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 46.884040] [ 1827] 0 1827 5385 177 90112 0 -1000 udevd [ 46.892204] [ 3520] 0 3520 14261 175 118784 0 0 rsyslogd [ 46.900625] [ 3575] 0 3575 4725 51 86016 0 0 cron [ 46.908704] [ 3577] 0 3577 3735 44 69632 0 0 mcstransd [ 46.917219] [ 3621] 0 3621 12490 152 131072 0 -1000 sshd [ 46.925285] [ 3645] 0 3645 3694 40 73728 0 0 getty [ 46.933438] [ 3646] 0 3646 3694 40 77824 0 0 getty [ 46.941590] [ 3647] 0 3647 3694 41 77824 0 0 getty [ 46.949741] [ 3648] 0 3648 3694 42 65536 0 0 getty [ 46.957890] [ 3649] 0 3649 3694 40 77824 0 0 getty [ 46.966048] [ 3650] 0 3650 3694 39 73728 0 0 getty [ 46.974212] [ 3651] 0 3651 3649 41 77824 0 0 getty [ 46.982384] [ 3653] 0 3653 5681 456 86016 0 -1000 udevd [ 46.990546] [ 3654] 0 3654 5681 456 86016 0 -1000 udevd [ 46.998711] [ 3673] 0 3673 17821 198 184320 0 0 sshd [ 47.006790] [ 3675] 0 3675 280 1 32768 0 0 syzkaller705125 [ 47.015816] [ 3676] 0 3676 4043 0 32768 0 0 syzkaller705125 [ 47.024849] [ 3677] 0 3677 4043 0 32768 0 0 syzkaller705125 [ 47.033868] [ 3678] 0 3678 4043 0 32768 0 0 syzkaller705125 [ 47.042894] [ 3679] 0 3679 4043 523 36864 0 0 syzkaller705125 [ 47.051916] [ 3680] 0 3680 4043 523 36864 0 0 syzkaller705125 [ 47.060935] [ 3681] 0 3681 4043 523 36864 0 0 syzkaller705125 [ 47.069957] [ 3682] 0 3682 4043 523 36864 0 0 syzkaller705125 [ 47.078974] [ 3683] 0 3683 4043 523 36864 0 0 syzkaller705125 [ 47.087994] Out of memory: Kill process 3679 (syzkaller705125) score 0 or sacrifice child [ 47.096348] Killed process 3679 (syzkaller705125) total-vm:16172kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 47.109224] oom_reaper: reaped process 3679 (syzkaller705125), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 47.119468] syzkaller705125 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 47.131829] syzkaller705125 cpuset=/ mems_allowed=0 [ 47.136879] CPU: 1 PID: 3680 Comm: syzkaller705125 Not tainted 4.15.0-rc8-next-20180119+ #102 [ 47.145525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.154860] Call Trace: [ 47.157428] dump_stack+0x194/0x257 [ 47.161046] ? arch_local_irq_restore+0x53/0x53 [ 47.165706] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 47.170892] dump_header+0x28c/0xe2b [ 47.174603] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 47.179771] ? lock_release+0xa40/0xa40 [ 47.183732] ? pagefault_out_of_memory+0x145/0x145 [ 47.188645] ? __lock_acquire+0x664/0x3e00 [ 47.192868] ? print_irqtrace_events+0x270/0x270 [ 47.197617] ? avc_has_perm_noaudit+0x37e/0x520 [ 47.202284] ? avc_has_extended_perms+0x12c0/0x12c0 [ 47.207284] ? check_noncircular+0x20/0x20 [ 47.211511] ? check_noncircular+0x20/0x20 [ 47.215739] ? check_noncircular+0x20/0x20 [ 47.219956] ? reacquire_held_locks+0x1f9/0x3e0 [ 47.224605] ? reacquire_held_locks+0x1f9/0x3e0 [ 47.229265] ? find_lock_task_mm+0x1c2/0x460 [ 47.233669] ? task_will_free_mem+0x252/0xaa0 [ 47.238161] ? print_irqtrace_events+0x270/0x270 [ 47.242906] ? ___ratelimit+0x30d/0x630 [ 47.246856] ? lock_downgrade+0x980/0x980 [ 47.250981] ? lock_release+0xa40/0xa40 [ 47.254931] ? mark_held_locks+0xaf/0x100 [ 47.259068] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 47.264166] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 47.269171] ? trace_hardirqs_on+0xd/0x10 [ 47.273311] ? ___ratelimit+0x95/0x630 [ 47.277188] ? idr_get_free_cmn+0xfd0/0xfd0 [ 47.281519] oom_kill_process+0x81b/0x9f0 [ 47.285656] ? oom_badness+0xd1/0x980 [ 47.289446] ? lock_release+0xa40/0xa40 [ 47.293418] ? oom_kill_memcg_member+0x20/0x20 [ 47.297980] ? mark_held_locks+0xaf/0x100 [ 47.302114] ? oom_evaluate_task+0x480/0x480 [ 47.306521] ? out_of_memory+0xe1c/0x1790 [ 47.310661] ? lock_downgrade+0x980/0x980 [ 47.314806] ? lock_release+0xa40/0xa40 [ 47.318785] ? oom_evaluate_task+0x284/0x480 [ 47.323194] out_of_memory+0x9d5/0x1790 [ 47.327174] ? oom_killer_disable+0x310/0x310 [ 47.331673] ? mutex_trylock+0x23a/0x2d0 [ 47.335725] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 47.340643] ? __lock_is_held+0xb6/0x140 [ 47.344697] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 47.350160] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 47.355011] ? warn_alloc+0x2b0/0x2b0 [ 47.358807] ? __schedule+0x8f3/0x2060 [ 47.362683] ? print_irqtrace_events+0x270/0x270 [ 47.367442] ? find_held_lock+0x35/0x1d0 [ 47.371510] ? __mutex_lock+0x5bd/0x1a80 [ 47.375568] ? __lock_acquire+0x664/0x3e00 [ 47.379791] ? lock_release+0xa40/0xa40 [ 47.383760] ? do_raw_spin_trylock+0x190/0x190 [ 47.388331] ? check_noncircular+0x20/0x20 [ 47.392562] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 47.397760] ? __lock_is_held+0xb6/0x140 [ 47.401832] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 47.407698] ? find_held_lock+0x35/0x1d0 [ 47.411763] ? __might_sleep+0x95/0x190 [ 47.415737] __alloc_pages_nodemask+0x9fb/0xd80 [ 47.420408] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 47.425418] ? check_noncircular+0x20/0x20 [ 47.429644] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 47.434571] ? print_irqtrace_events+0x270/0x270 [ 47.439332] ? __lock_is_held+0xb6/0x140 [ 47.443393] ? find_next_bit+0xcc/0x100 [ 47.447372] pcpu_populate_chunk+0x1b3/0x880 [ 47.451773] ? find_next_bit+0x27/0x100 [ 47.455753] pcpu_alloc+0x978/0x10e0 [ 47.459481] ? pcpu_free_area+0xa00/0xa00 [ 47.463615] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 47.468103] ? vmap_page_range_noflush+0x523/0x720 [ 47.473055] ? retint_kernel+0x10/0x10 [ 47.476928] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 47.481932] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.486686] ? retint_kernel+0x10/0x10 [ 47.490582] __alloc_percpu_gfp+0x27/0x30 [ 47.494726] array_map_alloc+0x490/0x630 [ 47.498786] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 47.504061] SyS_bpf+0x93c/0x4860 [ 47.507505] ? perf_event_mmap+0x115/0x12a0 [ 47.511817] ? bpf_prog_get+0x20/0x20 [ 47.515609] ? perf_event_fork+0x30/0x30 [ 47.519674] ? __lock_is_held+0xb6/0x140 [ 47.523733] ? vma_wants_writenotify+0x51/0x3b0 [ 47.528399] ? __handle_mm_fault+0x80e/0x3ce0 [ 47.532882] ? __pmd_alloc+0x4e0/0x4e0 [ 47.536751] ? check_noncircular+0x20/0x20 [ 47.540967] ? check_noncircular+0x20/0x20 [ 47.545186] ? find_held_lock+0x35/0x1d0 [ 47.549254] ? handle_mm_fault+0x2a0/0x930 [ 47.553485] ? find_held_lock+0x35/0x1d0 [ 47.557552] ? __do_page_fault+0x5f7/0xc90 [ 47.561777] ? lock_downgrade+0x980/0x980 [ 47.565913] ? handle_mm_fault+0x476/0x930 [ 47.570126] ? down_read_trylock+0xdb/0x170 [ 47.574439] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 47.579001] ? vmacache_find+0x5f/0x280 [ 47.582954] ? vmacache_update+0xfe/0x130 [ 47.587094] ? up_read+0x1a/0x40 [ 47.590449] ? __do_page_fault+0x3d6/0xc90 [ 47.594690] ? mm_fault_error+0x2c0/0x2c0 [ 47.598842] ? do_page_fault+0xee/0x720 [ 47.602800] ? __do_page_fault+0xc90/0xc90 [ 47.607040] ? SyS_mmap_pgoff+0x243/0x5f0 [ 47.611195] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.615944] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 47.620681] RIP: 0033:0x440179 [ 47.623854] RSP: 002b:00007fff849bdcf8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 47.631538] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 47.638795] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 47.646054] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 47.653312] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 47.660567] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 47.667870] Mem-Info: [ 47.670295] active_anon:4024 inactive_anon:63 isolated_anon:0 [ 47.670295] active_file:10 inactive_file:6 isolated_file:0 [ 47.670295] unevictable:0 dirty:0 writeback:0 unstable:0 [ 47.670295] slab_reclaimable:7290 slab_unreclaimable:82949 [ 47.670295] mapped:0 shmem:70 pagetables:306 bounce:0 [ 47.670295] free:23911 free_pcp:0 free_cma:0 [ 47.702172] Node 0 active_anon:16096kB inactive_anon:252kB active_file:40kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 47.729101] 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 [ 47.755245] lowmem_reserve[]: 0 2870 6381 6381 [ 47.759851] Node 0 DMA32 free:44016kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 47.787033] lowmem_reserve[]: 0 0 3510 3510 [ 47.791391] Node 0 Normal free:35948kB min:37088kB low:46360kB high:55632kB active_anon:16092kB inactive_anon:252kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3104kB pagetables:1220kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 47.819867] lowmem_reserve[]: 0 0 0 0 [ 47.823687] 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 [ 47.837297] Node 0 DMA32: 4*4kB (M) 4*8kB (UM) 6*16kB (UM) 1*32kB (M) 1*64kB (M) 4*128kB (UM) 3*256kB (M) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44016kB [ 47.852601] Node 0 Normal: 413*4kB (UME) 359*8kB (UME) 258*16kB (UME) 185*32kB (UM) 90*64kB (M) 34*128kB (UMH) 32*256kB (MH) 4*512kB (UMH) 1*1024kB (H) 0*2048kB 0*4096kB = 35948kB [ 47.868848] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 47.877433] 96 total pagecache pages [ 47.881167] 0 pages in swap cache [ 47.884628] Swap cache stats: add 0, delete 0, find 0/0 [ 47.889987] Free swap = 0kB [ 47.892999] Total swap = 0kB [ 47.896054] 1965979 pages RAM [ 47.899168] 0 pages HighMem/MovableOnly [ 47.903146] 327775 pages reserved [ 47.906603] Unreclaimable slab info: [ 47.910325] Name Used Total [ 47.915860] hashtab_node 118KB 119KB [ 47.921227] ebitmap_node 382KB 385KB [ 47.926601] avtab_node 1012KB 1013KB [ 47.931964] TIPC 1KB 7KB [ 47.937334] SCTPv6 2KB 4KB [ 47.942713] DCCPv6 2KB 7KB [ 47.948099] DCCP 2KB 6KB [ 47.953493] fib6_nodes 0KB 4KB [ 47.958854] ip6_dst_cache 11KB 11KB [ 47.964222] RAWv6 9KB 13KB [ 47.969598] UDPv6 12KB 14KB [ 47.974961] TCPv6 2KB 5KB [ 47.980340] sd_ext_cdb 0KB 3KB [ 47.985718] scsi_sense_cache 60KB 124KB [ 47.991092] virtio_scsi_cmd 16KB 16KB [ 47.996469] sgpool-128 8KB 8KB [ 48.001828] sgpool-64 4KB 6KB [ 48.007197] sgpool-32 78KB 78KB [ 48.012570] sgpool-16 30KB 30KB [ 48.017929] sgpool-8 161KB 161KB [ 48.023298] cfq_io_cq 16KB 19KB [ 48.028674] cfq_queue 23KB 27KB [ 48.034063] mqueue_inode_cache 1KB 7KB [ 48.039524] nfs_commit_data 3KB 7KB [ 48.044887] nfs_write_data 34KB 37KB [ 48.050260] jbd2_inode 1KB 3KB [ 48.055642] ext4_system_zone 0KB 3KB [ 48.061043] bio-1 1KB 3KB [ 48.066427] rpc_buffers 17KB 19KB [ 48.071790] rpc_tasks 2KB 3KB [ 48.077168] UNIX 773KB 773KB [ 48.082547] tcp_bind_bucket 0KB 4KB [ 48.087910] ip_fib_trie 0KB 3KB [ 48.093276] ip_fib_alias 0KB 3KB [ 48.098654] ip_dst_cache 3KB 8KB [ 48.104044] RAW 5KB 7KB [ 48.109418] UDP 29KB 31KB [ 48.114791] TCP 7KB 7KB [ 48.120159] hugetlbfs_inode_cache 1KB 7KB [ 48.125866] eventpoll_pwq 10KB 15KB [ 48.131231] eventpoll_epi 19KB 23KB [ 48.136602] inotify_inode_mark 3KB 7KB [ 48.142058] request_queue 34KB 68KB [ 48.147432] blkdev_ioc 22KB 27KB [ 48.152806] bio-0 270KB 270KB [ 48.158178] biovec-(1<<(21-12)) 462KB 462KB [ 48.163723] biovec-64 102KB 102KB [ 48.169089] biovec-16 15KB 15KB [ 48.174458] bio_integrity_payload 0KB 4KB [ 48.180175] khugepaged_mm_slot 0KB 3KB [ 48.185641] uid_cache 0KB 3KB [ 48.191007] dmaengine-unmap-2 0KB 3KB [ 48.196394] audit_buffer 0KB 3KB [ 48.201763] skbuff_fclone_cache 140KB 146KB [ 48.207301] skbuff_head_cache 1995KB 1995KB [ 48.212675] configfs_dir_cache 0KB 4KB [ 48.218131] file_lock_cache 159KB 162KB [ 48.223503] file_lock_ctx 1KB 3KB [ 48.228864] fsnotify_mark_connector 2KB 3KB [ 48.234752] shmem_inode_cache 1055KB 1058KB [ 48.240124] task_delay_info 320KB 339KB [ 48.245498] sigqueue 369KB 370KB [ 48.250864] kernfs_node_cache 2292KB 2295KB [ 48.256226] mnt_cache 15KB 20KB [ 48.261595] filp 8295KB 8748KB [ 48.266952] names_cache 110840KB 110878KB [ 48.272319] avc_node 37KB 39KB [ 48.277689] selinux_file_security 418KB 496KB [ 48.283410] selinux_inode_security 1954KB 1960KB [ 48.289215] key_jar 3KB 7KB [ 48.294584] nsproxy 0KB 3KB [ 48.299943] vm_area_struct 18802KB 18813KB [ 48.305310] mm_struct 4553KB 4562KB [ 48.310684] fs_cache 428KB 432KB [ 48.316053] files_cache 1605KB 1608KB [ 48.321426] signal_cache 2558KB 2565KB [ 48.326795] sighand_cache 222KB 339KB [ 48.332165] task_struct 10920KB 10920KB [ 48.337533] cred_jar 2366KB 2372KB [ 48.342893] anon_vma_chain 7893KB 7898KB [ 48.348255] anon_vma 135KB 350KB [ 48.353623] pid 223KB 252KB [ 48.358984] Acpi-Operand 106KB 170KB [ 48.364357] Acpi-Namespace 19KB 23KB [ 48.369730] numa_policy 0KB 3KB [ 48.375104] debug_objects_cache 531KB 535KB [ 48.380650] trace_event_file 145KB 147KB [ 48.386025] ftrace_event_field 257KB 259KB [ 48.391481] pool_workqueue 24KB 28KB [ 48.396841] page->ptl 3104KB 3111KB [ 48.402226] kmalloc-262144 1032KB 1032KB [ 48.407600] kmalloc-131072 650KB 650KB [ 48.412959] kmalloc-65536 264KB 264KB [ 48.418337] kmalloc-32768 825KB 825KB [ 48.423710] kmalloc-16384 181KB 181KB [ 48.429079] kmalloc-8192 519KB 519KB [ 48.434449] kmalloc-4096 6430KB 6468KB [ 48.439807] kmalloc-2048 3240KB 3244KB [ 48.445173] kmalloc-1024 3535KB 3535KB [ 48.450545] kmalloc-512 2801KB 2801KB [ 48.455904] kmalloc-256 1929KB 2441KB [ 48.461264] kmalloc-128 408KB 519KB [ 48.466636] kmalloc-96 2060KB 2060KB [ 48.471998] kmalloc-64 2480KB 2480KB [ 48.477368] kmalloc-32 2402KB 2405KB [ 48.483398] kmalloc-192 912KB 912KB [ 48.488773] kmem_cache 101KB 105KB [ 48.494141] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 48.502752] [ 1827] 0 1827 5385 177 90112 0 -1000 udevd [ 48.510894] [ 3520] 0 3520 14261 175 118784 0 0 rsyslogd [ 48.519311] [ 3575] 0 3575 4725 51 86016 0 0 cron [ 48.527383] [ 3577] 0 3577 3735 44 69632 0 0 mcstransd [ 48.535874] [ 3621] 0 3621 12490 152 131072 0 -1000 sshd [ 48.543933] [ 3645] 0 3645 3694 40 73728 0 0 getty [ 48.552084] [ 3646] 0 3646 3694 40 77824 0 0 getty [ 48.560245] [ 3647] 0 3647 3694 41 77824 0 0 getty [ 48.568405] [ 3648] 0 3648 3694 42 65536 0 0 getty [ 48.576564] [ 3649] 0 3649 3694 40 77824 0 0 getty [ 48.584724] [ 3650] 0 3650 3694 39 73728 0 0 getty [ 48.592873] [ 3651] 0 3651 3649 41 77824 0 0 getty [ 48.601037] [ 3653] 0 3653 5681 456 86016 0 -1000 udevd [ 48.609198] [ 3654] 0 3654 5681 456 86016 0 -1000 udevd [ 48.617360] [ 3673] 0 3673 17821 198 184320 0 0 sshd [ 48.625429] [ 3675] 0 3675 280 1 32768 0 0 syzkaller705125 [ 48.634455] [ 3676] 0 3676 4043 0 32768 0 0 syzkaller705125 [ 48.643481] [ 3677] 0 3677 4043 0 32768 0 0 syzkaller705125 [ 48.652512] [ 3678] 0 3678 4043 0 32768 0 0 syzkaller705125 [ 48.661538] [ 3679] 0 3679 4043 0 32768 0 0 syzkaller705125 [ 48.670567] [ 3680] 0 3680 4043 523 36864 0 0 syzkaller705125 [ 48.679594] [ 3681] 0 3681 4043 523 36864 0 0 syzkaller705125 [ 48.688620] [ 3682] 0 3682 4043 523 36864 0 0 syzkaller705125 [ 48.697648] [ 3683] 0 3683 4043 523 36864 0 0 syzkaller705125 [ 48.706670] Out of memory: Kill process 3680 (syzkaller705125) score 0 or sacrifice child [ 48.714997] Killed process 3680 (syzkaller705125) total-vm:16172kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 48.726562] oom_reaper: reaped process 3680 (syzkaller705125), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 48.737639] rsyslogd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 48.749100] rsyslogd cpuset=/ mems_allowed=0 [ 48.753539] CPU: 1 PID: 3523 Comm: rsyslogd Not tainted 4.15.0-rc8-next-20180119+ #102 [ 48.761577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.770918] Call Trace: [ 48.773509] dump_stack+0x194/0x257 [ 48.777133] ? arch_local_irq_restore+0x53/0x53 [ 48.781789] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.786980] dump_header+0x28c/0xe2b [ 48.790677] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.795847] ? pagefault_out_of_memory+0x145/0x145 [ 48.800766] ? print_irqtrace_events+0x270/0x270 [ 48.805525] ? avc_has_perm_noaudit+0x37e/0x520 [ 48.810183] ? avc_has_extended_perms+0x12c0/0x12c0 [ 48.815176] ? check_noncircular+0x20/0x20 [ 48.819398] ? check_noncircular+0x20/0x20 [ 48.823618] ? print_irqtrace_events+0x270/0x270 [ 48.828358] ? check_noncircular+0x20/0x20 [ 48.832569] ? reacquire_held_locks+0x1f9/0x3e0 [ 48.837217] ? reacquire_held_locks+0x1f9/0x3e0 [ 48.841869] ? find_lock_task_mm+0x1c2/0x460 [ 48.846253] ? task_will_free_mem+0x252/0xaa0 [ 48.850727] ? print_irqtrace_events+0x270/0x270 [ 48.855475] ? ___ratelimit+0x30d/0x630 [ 48.859439] ? lock_downgrade+0x980/0x980 [ 48.863585] ? lock_release+0xa40/0xa40 [ 48.867555] ? mark_held_locks+0xaf/0x100 [ 48.871700] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 48.876785] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 48.881783] ? trace_hardirqs_on+0xd/0x10 [ 48.885917] ? ___ratelimit+0x95/0x630 [ 48.889793] ? idr_get_free_cmn+0xfd0/0xfd0 [ 48.894108] oom_kill_process+0x81b/0x9f0 [ 48.898233] ? oom_badness+0xd1/0x980 [ 48.902008] ? lock_release+0xa40/0xa40 [ 48.905968] ? oom_kill_memcg_member+0x20/0x20 [ 48.910540] ? oom_evaluate_task+0x480/0x480 [ 48.914941] ? out_of_memory+0xe1c/0x1790 [ 48.919074] ? lock_downgrade+0x980/0x980 [ 48.923220] ? lock_release+0xa40/0xa40 [ 48.927181] ? find_next_bit+0xcc/0x100 [ 48.931160] ? oom_evaluate_task+0x284/0x480 [ 48.935568] out_of_memory+0x9d5/0x1790 [ 48.939547] ? oom_killer_disable+0x310/0x310 [ 48.944041] ? mutex_trylock+0x23a/0x2d0 [ 48.948077] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 48.952996] ? __lock_is_held+0xb6/0x140 [ 48.957063] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 48.962506] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 48.967389] ? warn_alloc+0x2b0/0x2b0 [ 48.971199] ? warn_alloc+0x2b0/0x2b0 [ 48.974982] ? trace_hardirqs_off+0x10/0x10 [ 48.979289] ? warn_alloc+0x2b0/0x2b0 [ 48.983094] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.988276] ? check_noncircular+0x19/0x20 [ 48.992511] ? check_noncircular+0x20/0x20 [ 48.996742] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 49.001858] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 49.007746] ? __might_sleep+0x95/0x190 [ 49.011719] __alloc_pages_nodemask+0x9fb/0xd80 [ 49.016378] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 49.021377] ? __alloc_pages_nodemask+0xadb/0xd80 [ 49.026204] ? print_irqtrace_events+0x270/0x270 [ 49.030947] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 49.035965] ? find_held_lock+0x35/0x1d0 [ 49.040021] ? cache_grow_begin+0x3bb/0x570 [ 49.044332] cache_grow_begin+0x72/0x570 [ 49.048372] fallback_alloc+0x13b/0x2a0 [ 49.052328] ____cache_alloc_node+0x1cc/0x1e0 [ 49.056802] kmem_cache_alloc_trace+0x27d/0x750 [ 49.061452] ? dl_cpu_busy+0x370/0x370 [ 49.065349] do_syslog+0x5d7/0xb80 [ 49.068878] ? log_buf_vmcoreinfo_setup+0x120/0x120 [ 49.073870] ? prepare_to_wait+0x4d0/0x4d0 [ 49.078083] ? __lock_is_held+0xb6/0x140 [ 49.082134] kmsg_read+0x74/0xa0 [ 49.085484] ? kmsg_poll+0xa0/0xa0 [ 49.089007] proc_reg_read+0xe8/0x160 [ 49.092795] ? proc_reg_write+0x160/0x160 [ 49.096917] __vfs_read+0xef/0xa00 [ 49.100436] ? fsnotify+0x7b3/0x1140 [ 49.104131] ? vfs_copy_file_range+0x940/0x940 [ 49.108694] ? fsnotify_first_mark+0x2b0/0x2b0 [ 49.113265] ? avc_policy_seqno+0x9/0x20 [ 49.117314] ? selinux_file_permission+0x82/0x460 [ 49.122144] ? security_file_permission+0x89/0x1e0 [ 49.127059] ? rw_verify_area+0xe5/0x2b0 [ 49.131107] ? __fdget_raw+0x20/0x20 [ 49.134804] vfs_read+0x11e/0x350 [ 49.138237] SyS_read+0xef/0x220 [ 49.141592] ? kernel_write+0x120/0x120 [ 49.145557] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.150557] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.155307] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 49.160047] RIP: 0033:0x7f3db29f91fd [ 49.163746] RSP: 002b:00007f3daff98e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 49.171445] RAX: ffffffffffffffda RBX: 00007f3db25dae98 RCX: 00007f3db29f91fd [ 49.178697] RDX: 0000000000000fff RSI: 00007f3db17cd5a0 RDI: 0000000000000004 [ 49.185943] RBP: 00007f3db25dae40 R08: 0000000002516260 R09: 0000000000000000 [ 49.193193] R10: 0000000000000011 R11: 0000000000000293 R12: 0000000002573ea0 [ 49.200445] R13: 0000000000004f51 R14: 0000000000000000 R15: 0000000000000004 [ 49.207781] Mem-Info: [ 49.210200] active_anon:3506 inactive_anon:63 isolated_anon:0 [ 49.210200] active_file:13 inactive_file:14 isolated_file:0 [ 49.210200] unevictable:0 dirty:0 writeback:0 unstable:0 [ 49.210200] slab_reclaimable:7290 slab_unreclaimable:82926 [ 49.210200] mapped:2 shmem:70 pagetables:304 bounce:0 [ 49.210200] free:23073 free_pcp:40 free_cma:0 [ 49.242220] Node 0 active_anon:14024kB inactive_anon:252kB active_file:52kB inactive_file:56kB 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 [ 49.269047] 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 [ 49.295195] lowmem_reserve[]: 0 2870 6381 6381 [ 49.299808] Node 0 DMA32 free:44016kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.326966] lowmem_reserve[]: 0 0 3510 3510 [ 49.331310] Node 0 Normal free:32368kB min:37088kB low:46360kB high:55632kB active_anon:14024kB inactive_anon:252kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3104kB pagetables:1216kB bounce:0kB free_pcp:160kB local_pcp:40kB free_cma:0kB [ 49.360059] lowmem_reserve[]: 0 0 0 0 [ 49.363882] 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 [ 49.377482] Node 0 DMA32: 4*4kB (M) 4*8kB (UM) 6*16kB (UM) 1*32kB (M) 1*64kB (M) 4*128kB (UM) 3*256kB (M) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44016kB [ 49.392777] Node 0 Normal: 383*4kB (ME) 335*8kB (ME) 248*16kB (UME) 176*32kB (UM) 82*64kB (M) 29*128kB (MH) 31*256kB (UMH) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 32244kB [ 49.408624] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 49.417207] 97 total pagecache pages [ 49.420924] 0 pages in swap cache [ 49.424368] Swap cache stats: add 0, delete 0, find 0/0 [ 49.429734] Free swap = 0kB [ 49.432747] Total swap = 0kB [ 49.435771] 1965979 pages RAM [ 49.438873] 0 pages HighMem/MovableOnly [ 49.442838] 327775 pages reserved [ 49.446279] Unreclaimable slab info: [ 49.449983] Name Used Total [ 49.455529] hashtab_node 118KB 119KB [ 49.460895] ebitmap_node 382KB 385KB [ 49.466251] avtab_node 1012KB 1013KB [ 49.471628] TIPC 1KB 7KB [ 49.476995] SCTPv6 2KB 4KB [ 49.482359] DCCPv6 2KB 7KB [ 49.487734] DCCP 2KB 6KB [ 49.493134] fib6_nodes 0KB 4KB [ 49.498499] ip6_dst_cache 11KB 11KB [ 49.503853] RAWv6 9KB 13KB [ 49.509223] UDPv6 12KB 14KB [ 49.514584] TCPv6 2KB 5KB [ 49.519951] sd_ext_cdb 0KB 3KB [ 49.525320] scsi_sense_cache 60KB 124KB [ 49.530682] virtio_scsi_cmd 16KB 16KB [ 49.536049] sgpool-128 8KB 8KB [ 49.541420] sgpool-64 4KB 6KB [ 49.546788] sgpool-32 73KB 78KB [ 49.552147] sgpool-16 30KB 30KB [ 49.557521] sgpool-8 161KB 161KB [ 49.562918] cfq_io_cq 15KB 19KB [ 49.568274] cfq_queue 23KB 27KB [ 49.573644] mqueue_inode_cache 1KB 7KB [ 49.579109] nfs_commit_data 3KB 7KB [ 49.584467] nfs_write_data 34KB 37KB [ 49.589829] jbd2_inode 1KB 3KB [ 49.595197] ext4_system_zone 0KB 3KB [ 49.600561] bio-1 1KB 3KB [ 49.605921] rpc_buffers 17KB 19KB [ 49.611290] rpc_tasks 2KB 3KB [ 49.616659] UNIX 773KB 773KB [ 49.622037] tcp_bind_bucket 0KB 4KB [ 49.627408] ip_fib_trie 0KB 3KB [ 49.632768] ip_fib_alias 0KB 3KB [ 49.638119] ip_dst_cache 3KB 8KB [ 49.643490] RAW 5KB 7KB [ 49.648855] UDP 29KB 31KB [ 49.654231] TCP 7KB 7KB [ 49.659591] hugetlbfs_inode_cache 1KB 7KB [ 49.665292] eventpoll_pwq 10KB 15KB [ 49.670664] eventpoll_epi 19KB 23KB [ 49.676039] inotify_inode_mark 3KB 7KB [ 49.681489] request_queue 31KB 45KB [ 49.686845] blkdev_ioc 21KB 27KB [ 49.692211] bio-0 270KB 270KB [ 49.697571] biovec-(1<<(21-12)) 462KB 462KB [ 49.703098] biovec-64 100KB 102KB [ 49.708463] biovec-16 14KB 15KB [ 49.713827] bio_integrity_payload 0KB 4KB [ 49.719531] khugepaged_mm_slot 0KB 3KB [ 49.724976] uid_cache 0KB 3KB [ 49.730343] dmaengine-unmap-2 0KB 3KB [ 49.735702] audit_buffer 0KB 3KB [ 49.741073] skbuff_fclone_cache 140KB 146KB [ 49.746622] skbuff_head_cache 1995KB 1995KB [ 49.751989] configfs_dir_cache 0KB 4KB [ 49.757442] file_lock_cache 159KB 162KB [ 49.762809] file_lock_ctx 1KB 3KB [ 49.768164] fsnotify_mark_connector 2KB 3KB [ 49.774052] shmem_inode_cache 1055KB 1058KB [ 49.779427] task_delay_info 320KB 339KB [ 49.784790] sigqueue 368KB 370KB [ 49.790145] kernfs_node_cache 2292KB 2295KB [ 49.795515] mnt_cache 15KB 20KB [ 49.800880] filp 8293KB 8748KB [ 49.806234] names_cache 110831KB 110861KB [ 49.811607] avc_node 37KB 39KB [ 49.816968] selinux_file_security 418KB 496KB [ 49.822665] selinux_inode_security 1954KB 1960KB [ 49.828450] key_jar 3KB 7KB [ 49.833818] nsproxy 0KB 3KB [ 49.839189] vm_area_struct 18801KB 18813KB [ 49.844548] mm_struct 4553KB 4562KB [ 49.849900] fs_cache 428KB 432KB [ 49.855267] files_cache 1605KB 1608KB [ 49.860633] signal_cache 2558KB 2565KB [ 49.865991] sighand_cache 219KB 333KB [ 49.871367] task_struct 10920KB 10920KB [ 49.876731] cred_jar 2366KB 2372KB [ 49.882088] anon_vma_chain 7893KB 7898KB [ 49.887454] anon_vma 129KB 350KB [ 49.892818] pid 222KB 252KB [ 49.898171] Acpi-Operand 106KB 170KB [ 49.903544] Acpi-Namespace 19KB 23KB [ 49.908903] numa_policy 0KB 3KB [ 49.914260] debug_objects_cache 531KB 535KB [ 49.919803] trace_event_file 145KB 147KB [ 49.925175] ftrace_event_field 257KB 259KB [ 49.930622] pool_workqueue 24KB 28KB [ 49.935979] page->ptl 3104KB 3111KB [ 49.941368] kmalloc-262144 1032KB 1032KB [ 49.946730] kmalloc-131072 650KB 650KB [ 49.952095] kmalloc-65536 264KB 264KB [ 49.957465] kmalloc-32768 825KB 825KB [ 49.962826] kmalloc-16384 181KB 181KB [ 49.968180] kmalloc-8192 519KB 519KB [ 49.973546] kmalloc-4096 6430KB 6460KB [ 49.978907] kmalloc-2048 3240KB 3244KB [ 49.984259] kmalloc-1024 3535KB 3535KB [ 49.989632] kmalloc-512 2801KB 2801KB [ 49.994990] kmalloc-256 1914KB 2426KB [ 50.000348] kmalloc-128 408KB 519KB [ 50.005717] kmalloc-96 2064KB 2064KB [ 50.011107] kmalloc-64 2484KB 2484KB [ 50.016499] kmalloc-32 2402KB 2405KB [ 50.021868] kmalloc-192 912KB 912KB [ 50.027236] kmem_cache 101KB 105KB [ 50.032598] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 50.041206] [ 1827] 0 1827 5385 177 90112 0 -1000 udevd [ 50.049372] [ 3520] 0 3520 14261 175 118784 0 0 rsyslogd [ 50.057796] [ 3575] 0 3575 4725 51 86016 0 0 cron [ 50.065862] [ 3577] 0 3577 3735 44 69632 0 0 mcstransd [ 50.074357] [ 3621] 0 3621 12490 152 131072 0 -1000 sshd [ 50.082413] [ 3645] 0 3645 3694 40 73728 0 0 getty [ 50.090550] [ 3646] 0 3646 3694 40 77824 0 0 getty [ 50.098686] [ 3647] 0 3647 3694 41 77824 0 0 getty [ 50.106823] [ 3648] 0 3648 3694 42 65536 0 0 getty [ 50.114963] [ 3649] 0 3649 3694 40 77824 0 0 getty [ 50.123115] [ 3650] 0 3650 3694 39 73728 0 0 getty [ 50.131276] [ 3651] 0 3651 3649 41 77824 0 0 getty [ 50.139445] [ 3653] 0 3653 5681 456 86016 0 -1000 udevd [ 50.147613] [ 3654] 0 3654 5681 456 86016 0 -1000 udevd [ 50.155784] [ 3673] 0 3673 17821 198 184320 0 0 sshd [ 50.163850] [ 3675] 0 3675 280 1 32768 0 0 syzkaller705125 [ 50.172861] [ 3676] 0 3676 4043 0 32768 0 0 syzkaller705125 [ 50.181869] [ 3677] 0 3677 4043 0 32768 0 0 syzkaller705125 [ 50.190880] [ 3678] 0 3678 4043 0 32768 0 0 syzkaller705125 [ 50.199884] [ 3679] 0 3679 4043 0 32768 0 0 syzkaller705125 [ 50.208891] [ 3680] 0 3680 4043 0 32768 0 0 syzkaller705125 [ 50.217895] [ 3681] 0 3681 4043 523 36864 0 0 syzkaller705125 [ 50.226905] [ 3682] 0 3682 4043 523 36864 0 0 syzkaller705125 [ 50.235919] [ 3683] 0 3683 4043 523 36864 0 0 syzkaller705125 [ 50.244919] Out of memory: Kill process 3681 (syzkaller705125) score 0 or sacrifice child [ 50.253256] Killed process 3681 (syzkaller705125) total-vm:16172kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 50.266295] oom_reaper: reaped process 3681 (syzkaller705125), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 50.276685] rsyslogd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 50.288165] rsyslogd cpuset=/ mems_allowed=0 [ 50.292613] CPU: 1 PID: 3523 Comm: rsyslogd Not tainted 4.15.0-rc8-next-20180119+ #102 [ 50.300649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.309996] Call Trace: [ 50.312578] dump_stack+0x194/0x257 [ 50.316205] ? arch_local_irq_restore+0x53/0x53 [ 50.320865] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.326060] dump_header+0x28c/0xe2b [ 50.329762] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.334940] ? pagefault_out_of_memory+0x145/0x145 [ 50.339859] ? print_irqtrace_events+0x270/0x270 [ 50.344614] ? avc_has_perm_noaudit+0x37e/0x520 [ 50.349284] ? avc_has_extended_perms+0x12c0/0x12c0 [ 50.354290] ? check_noncircular+0x20/0x20 [ 50.358519] ? check_noncircular+0x20/0x20 [ 50.362742] ? print_irqtrace_events+0x270/0x270 [ 50.367491] ? check_noncircular+0x20/0x20 [ 50.371721] ? reacquire_held_locks+0x1f9/0x3e0 [ 50.376378] ? reacquire_held_locks+0x1f9/0x3e0 [ 50.381043] ? find_lock_task_mm+0x1c2/0x460 [ 50.385446] ? task_will_free_mem+0x252/0xaa0 [ 50.389934] ? print_irqtrace_events+0x270/0x270 [ 50.394684] ? ___ratelimit+0x30d/0x630 [ 50.398654] ? lock_downgrade+0x980/0x980 [ 50.402800] ? lock_release+0xa40/0xa40 [ 50.406779] ? mark_held_locks+0xaf/0x100 [ 50.410925] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 50.416019] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 50.421026] ? trace_hardirqs_on+0xd/0x10 [ 50.425171] ? ___ratelimit+0x95/0x630 [ 50.429055] ? idr_get_free_cmn+0xfd0/0xfd0 [ 50.433386] oom_kill_process+0x81b/0x9f0 [ 50.437526] ? oom_badness+0xd1/0x980 [ 50.441314] ? lock_release+0xa40/0xa40 [ 50.445283] ? oom_kill_memcg_member+0x20/0x20 [ 50.449855] ? oom_evaluate_task+0x480/0x480 [ 50.454257] ? out_of_memory+0xe1c/0x1790 [ 50.458400] ? lock_downgrade+0x980/0x980 [ 50.462543] ? lock_release+0xa40/0xa40 [ 50.466529] ? find_next_bit+0xcc/0x100 [ 50.470598] ? oom_evaluate_task+0x284/0x480 [ 50.475006] out_of_memory+0x9d5/0x1790 [ 50.478986] ? oom_killer_disable+0x310/0x310 [ 50.484252] ? mutex_trylock+0x23a/0x2d0 [ 50.488301] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 50.493224] ? __lock_is_held+0xb6/0x140 [ 50.497282] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 50.502747] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 50.507633] ? warn_alloc+0x2b0/0x2b0 [ 50.511437] ? warn_alloc+0x2b0/0x2b0 [ 50.515231] ? trace_hardirqs_off+0x10/0x10 [ 50.519549] ? warn_alloc+0x2b0/0x2b0 [ 50.523354] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.528556] ? check_noncircular+0x19/0x20 [ 50.532793] ? check_noncircular+0x20/0x20 [ 50.537027] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 50.542175] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 50.548066] ? __might_sleep+0x95/0x190 [ 50.552043] __alloc_pages_nodemask+0x9fb/0xd80 [ 50.556715] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 50.561717] ? __alloc_pages_nodemask+0xadb/0xd80 [ 50.566549] ? print_irqtrace_events+0x270/0x270 [ 50.571302] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 50.576322] ? find_held_lock+0x35/0x1d0 [ 50.580401] ? cache_grow_begin+0x3bb/0x570 [ 50.584730] cache_grow_begin+0x72/0x570 [ 50.588797] fallback_alloc+0x13b/0x2a0 [ 50.592780] ____cache_alloc_node+0x1cc/0x1e0 [ 50.597285] kmem_cache_alloc_trace+0x27d/0x750 [ 50.601949] ? dl_cpu_busy+0x370/0x370 [ 50.605828] do_syslog+0x5d7/0xb80 [ 50.609363] ? log_buf_vmcoreinfo_setup+0x120/0x120 [ 50.614374] ? prepare_to_wait+0x4d0/0x4d0 [ 50.618607] ? __lock_is_held+0xb6/0x140 [ 50.622670] kmsg_read+0x74/0xa0 [ 50.626027] ? kmsg_poll+0xa0/0xa0 [ 50.629558] proc_reg_read+0xe8/0x160 [ 50.633358] ? proc_reg_write+0x160/0x160 [ 50.637502] __vfs_read+0xef/0xa00 [ 50.641038] ? fsnotify+0x7b3/0x1140 [ 50.644756] ? vfs_copy_file_range+0x940/0x940 [ 50.649338] ? fsnotify_first_mark+0x2b0/0x2b0 [ 50.653909] ? avc_policy_seqno+0x9/0x20 [ 50.657947] ? selinux_file_permission+0x82/0x460 [ 50.662784] ? security_file_permission+0x89/0x1e0 [ 50.667717] ? rw_verify_area+0xe5/0x2b0 [ 50.671762] ? __fdget_raw+0x20/0x20 [ 50.675464] vfs_read+0x11e/0x350 [ 50.678915] SyS_read+0xef/0x220 [ 50.682283] ? kernel_write+0x120/0x120 [ 50.686248] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 50.691347] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 50.696108] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 50.700854] RIP: 0033:0x7f3db29f91fd [ 50.704551] RSP: 002b:00007f3daff98e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 50.712255] RAX: ffffffffffffffda RBX: 00007f3db25dae98 RCX: 00007f3db29f91fd [ 50.719516] RDX: 0000000000000fff RSI: 00007f3db17cd5a0 RDI: 0000000000000004 [ 50.726805] RBP: 00007f3db25dae40 R08: 0000000002516260 R09: 0000000000000000 [ 50.734073] R10: 0000000000000011 R11: 0000000000000293 R12: 0000000002573ea0 [ 50.741342] R13: 0000000000004f51 R14: 0000000000000000 R15: 0000000000000004 [ 50.748714] Mem-Info: [ 50.751160] active_anon:2989 inactive_anon:63 isolated_anon:0 [ 50.751160] active_file:18 inactive_file:8 isolated_file:0 [ 50.751160] unevictable:0 dirty:0 writeback:0 unstable:0 [ 50.751160] slab_reclaimable:7290 slab_unreclaimable:82926 [ 50.751160] mapped:2 shmem:70 pagetables:303 bounce:0 [ 50.751160] free:23566 free_pcp:41 free_cma:0 [ 50.783132] Node 0 active_anon:11956kB inactive_anon:252kB active_file:72kB inactive_file:32kB 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 [ 50.809959] 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 [ 50.836122] lowmem_reserve[]: 0 2870 6381 6381 [ 50.840751] Node 0 DMA32 free:44016kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 50.867940] lowmem_reserve[]: 0 0 3510 3510 [ 50.872288] Node 0 Normal free:34340kB min:37088kB low:46360kB high:55632kB active_anon:11956kB inactive_anon:252kB active_file:72kB inactive_file:24kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3104kB pagetables:1212kB bounce:0kB free_pcp:164kB local_pcp:0kB free_cma:0kB [ 50.900959] lowmem_reserve[]: 0 0 0 0 [ 50.904810] 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 [ 50.918455] Node 0 DMA32: 4*4kB (M) 4*8kB (UM) 6*16kB (UM) 1*32kB (M) 1*64kB (M) 4*128kB (UM) 3*256kB (M) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44016kB [ 50.933760] Node 0 Normal: 393*4kB (UME) 336*8kB (UME) 248*16kB (UME) 176*32kB (UM) 82*64kB (M) 29*128kB (MH) 31*256kB (UMH) 1*512kB (H) 1*1024kB (H) 1*2048kB (M) 0*4096kB = 34340kB [ 50.950153] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 50.958746] 96 total pagecache pages [ 50.962485] 0 pages in swap cache [ 50.965962] Swap cache stats: add 0, delete 0, find 0/0 [ 50.971338] Free swap = 0kB [ 50.974367] Total swap = 0kB [ 50.977397] 1965979 pages RAM [ 50.980515] 0 pages HighMem/MovableOnly [ 50.984496] 327775 pages reserved [ 50.987952] Unreclaimable slab info: [ 50.991675] Name Used Total [ 50.997233] hashtab_node 118KB 119KB [ 51.002614] ebitmap_node 382KB 385KB [ 51.007974] avtab_node 1012KB 1013KB [ 51.013347] TIPC 1KB 7KB [ 51.018722] SCTPv6 2KB 4KB [ 51.024104] DCCPv6 2KB 7KB [ 51.029484] DCCP 2KB 6KB [ 51.034874] fib6_nodes 0KB 4KB [ 51.040264] ip6_dst_cache 7KB 11KB [ 51.045651] RAWv6 9KB 13KB [ 51.051044] UDPv6 12KB 14KB [ 51.056423] TCPv6 2KB 5KB [ 51.061809] sd_ext_cdb 0KB 3KB [ 51.067182] scsi_sense_cache 60KB 124KB [ 51.072556] virtio_scsi_cmd 16KB 16KB [ 51.077920] sgpool-128 8KB 8KB [ 51.083283] sgpool-64 4KB 6KB [ 51.088658] sgpool-32 67KB 78KB [ 51.094036] sgpool-16 29KB 30KB [ 51.099413] sgpool-8 160KB 161KB [ 51.104791] cfq_io_cq 15KB 19KB [ 51.110163] cfq_queue 23KB 27KB [ 51.115545] mqueue_inode_cache 1KB 7KB [ 51.121004] nfs_commit_data 3KB 7KB [ 51.126400] nfs_write_data 34KB 37KB [ 51.131775] jbd2_inode 1KB 3KB [ 51.137149] ext4_system_zone 0KB 3KB [ 51.142532] bio-1 1KB 3KB [ 51.147910] rpc_buffers 17KB 19KB [ 51.153286] rpc_tasks 2KB 3KB [ 51.158669] UNIX 773KB 773KB [ 51.164049] tcp_bind_bucket 0KB 4KB [ 51.169430] ip_fib_trie 0KB 3KB [ 51.174803] ip_fib_alias 0KB 3KB [ 51.180179] ip_dst_cache 3KB 8KB [ 51.185559] RAW 5KB 7KB [ 51.190931] UDP 29KB 31KB [ 51.196309] TCP 7KB 7KB [ 51.201689] hugetlbfs_inode_cache 1KB 7KB [ 51.207416] eventpoll_pwq 10KB 15KB [ 51.212793] eventpoll_epi 19KB 23KB [ 51.218172] inotify_inode_mark 3KB 7KB [ 51.223638] request_queue 31KB 45KB [ 51.228997] blkdev_ioc 21KB 27KB [ 51.234371] bio-0 268KB 270KB [ 51.239747] biovec-(1<<(21-12)) 462KB 462KB [ 51.245305] biovec-64 100KB 102KB [ 51.250681] biovec-16 13KB 15KB [ 51.256067] bio_integrity_payload 0KB 4KB [ 51.261786] khugepaged_mm_slot 0KB 3KB [ 51.267263] uid_cache 0KB 3KB [ 51.272644] dmaengine-unmap-2 0KB 3KB [ 51.278026] audit_buffer 0KB 3KB [ 51.283407] skbuff_fclone_cache 140KB 146KB [ 51.288951] skbuff_head_cache 1994KB 1995KB [ 51.294327] configfs_dir_cache 0KB 4KB [ 51.299787] file_lock_cache 159KB 162KB [ 51.305165] file_lock_ctx 1KB 3KB [ 51.310543] fsnotify_mark_connector 2KB 3KB [ 51.316427] shmem_inode_cache 1055KB 1058KB [ 51.321794] task_delay_info 320KB 339KB [ 51.327165] sigqueue 367KB 370KB [ 51.332545] kernfs_node_cache 2292KB 2295KB [ 51.337915] mnt_cache 15KB 20KB [ 51.343290] filp 8265KB 8730KB [ 51.348657] names_cache 110831KB 110861KB [ 51.354034] avc_node 37KB 39KB [ 51.359411] selinux_file_security 415KB 496KB [ 51.365135] selinux_inode_security 1954KB 1960KB [ 51.370940] key_jar 3KB 7KB [ 51.376318] nsproxy 0KB 3KB [ 51.381689] vm_area_struct 18801KB 18813KB [ 51.387066] mm_struct 4553KB 4562KB [ 51.392439] fs_cache 428KB 432KB [ 51.397810] files_cache 1605KB 1608KB [ 51.403186] signal_cache 2558KB 2565KB [ 51.408564] sighand_cache 217KB 333KB [ 51.413926] task_struct 10920KB 10920KB [ 51.419290] cred_jar 2366KB 2372KB [ 51.424666] anon_vma_chain 7893KB 7898KB [ 51.430044] anon_vma 124KB 350KB [ 51.435425] pid 222KB 252KB [ 51.440793] Acpi-Operand 106KB 170KB [ 51.446174] Acpi-Namespace 19KB 23KB [ 51.451556] numa_policy 0KB 3KB [ 51.456925] debug_objects_cache 531KB 535KB [ 51.462471] trace_event_file 145KB 147KB [ 51.467836] ftrace_event_field 257KB 259KB [ 51.473297] pool_workqueue 24KB 28KB [ 51.478670] page->ptl 3104KB 3111KB [ 51.484055] kmalloc-262144 1032KB 1032KB [ 51.489432] kmalloc-131072 650KB 650KB [ 51.494800] kmalloc-65536 264KB 264KB [ 51.500178] kmalloc-32768 825KB 825KB [ 51.505558] kmalloc-16384 181KB 181KB [ 51.510919] kmalloc-8192 519KB 519KB [ 51.516286] kmalloc-4096 6430KB 6460KB [ 51.521665] kmalloc-2048 3240KB 3244KB [ 51.527036] kmalloc-1024 3535KB 3535KB [ 51.532409] kmalloc-512 2799KB 2801KB [ 51.537781] kmalloc-256 1913KB 2426KB [ 51.543153] kmalloc-128 407KB 519KB [ 51.548529] kmalloc-96 2064KB 2064KB [ 51.553892] kmalloc-64 2484KB 2484KB [ 51.559259] kmalloc-32 2400KB 2405KB [ 51.564633] kmalloc-192 912KB 912KB [ 51.569987] kmem_cache 101KB 105KB [ 51.575356] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 51.583974] [ 1827] 0 1827 5385 177 90112 0 -1000 udevd [ 51.592147] [ 3520] 0 3520 14261 175 118784 0 0 rsyslogd [ 51.600578] [ 3575] 0 3575 4725 51 86016 0 0 cron [ 51.608658] [ 3577] 0 3577 3735 44 69632 0 0 mcstransd [ 51.617174] [ 3621] 0 3621 12490 152 131072 0 -1000 sshd [ 51.625253] [ 3645] 0 3645 3694 40 73728 0 0 getty [ 51.633421] [ 3646] 0 3646 3694 40 77824 0 0 getty [ 51.641589] [ 3647] 0 3647 3694 41 77824 0 0 getty [ 51.649761] [ 3648] 0 3648 3694 42 65536 0 0 getty [ 51.657929] [ 3649] 0 3649 3694 40 77824 0 0 getty [ 51.666099] [ 3650] 0 3650 3694 39 73728 0 0 getty [ 51.674269] [ 3651] 0 3651 3649 41 77824 0 0 getty [ 51.682439] [ 3653] 0 3653 5681 456 86016 0 -1000 udevd [ 51.690604] [ 3654] 0 3654 5681 456 86016 0 -1000 udevd [ 51.698774] [ 3673] 0 3673 17821 198 184320 0 0 sshd [ 51.706852] [ 3675] 0 3675 280 1 32768 0 0 syzkaller705125 [ 51.715883] [ 3676] 0 3676 4043 0 32768 0 0 syzkaller705125 [ 51.724913] [ 3677] 0 3677 4043 0 32768 0 0 syzkaller705125 [ 51.733951] [ 3678] 0 3678 4043 0 32768 0 0 syzkaller705125 [ 51.742975] [ 3679] 0 3679 4043 0 32768 0 0 syzkaller705125 [ 51.752035] [ 3680] 0 3680 4043 0 32768 0 0 syzkaller705125 [ 51.761080] [ 3681] 0 3681 4043 0 32768 0 0 syzkaller705125 [ 51.770117] [ 3682] 0 3682 4043 523 36864 0 0 syzkaller705125 [ 51.779151] [ 3683] 0 3683 4043 523 36864 0 0 syzkaller705125 [ 51.788180] Out of memory: Kill process 3682 (syzkaller705125) score 0 or sacrifice child [ 51.796529] Killed process 3682 (syzkaller705125) total-vm:16172kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 51.812261] oom_reaper: reaped process 3682 (syzkaller705125), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 51.824088] syzkaller705125 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 51.836419] syzkaller705125 cpuset=/ mems_allowed=0 [ 51.841459] CPU: 1 PID: 3683 Comm: syzkaller705125 Not tainted 4.15.0-rc8-next-20180119+ #102 [ 51.850111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.859451] Call Trace: [ 51.862033] dump_stack+0x194/0x257 [ 51.865659] ? arch_local_irq_restore+0x53/0x53 [ 51.870326] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.875523] dump_header+0x28c/0xe2b [ 51.879240] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.884423] ? lock_release+0xa40/0xa40 [ 51.888397] ? pagefault_out_of_memory+0x145/0x145 [ 51.893317] ? __lock_acquire+0x664/0x3e00 [ 51.897550] ? print_irqtrace_events+0x270/0x270 [ 51.902312] ? avc_has_perm_noaudit+0x37e/0x520 [ 51.906970] ? avc_has_extended_perms+0x12c0/0x12c0 [ 51.911966] ? check_noncircular+0x20/0x20 [ 51.916192] ? check_noncircular+0x20/0x20 [ 51.920422] ? check_noncircular+0x20/0x20 [ 51.924651] ? reacquire_held_locks+0x1f9/0x3e0 [ 51.929307] ? reacquire_held_locks+0x1f9/0x3e0 [ 51.933968] ? find_lock_task_mm+0x1c2/0x460 [ 51.938370] ? task_will_free_mem+0x252/0xaa0 [ 51.942855] ? print_irqtrace_events+0x270/0x270 [ 51.947606] ? ___ratelimit+0x30d/0x630 [ 51.951577] ? lock_downgrade+0x980/0x980 [ 51.955732] ? lock_release+0xa40/0xa40 [ 51.959722] ? mark_held_locks+0xaf/0x100 [ 51.963953] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.969048] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.974057] ? trace_hardirqs_on+0xd/0x10 [ 51.978199] ? ___ratelimit+0x95/0x630 [ 51.982080] ? idr_get_free_cmn+0xfd0/0xfd0 [ 51.986500] oom_kill_process+0x81b/0x9f0 [ 51.990639] ? oom_badness+0xd1/0x980 [ 51.994427] ? lock_release+0xa40/0xa40 [ 51.998402] ? oom_kill_memcg_member+0x20/0x20 [ 52.002973] ? oom_evaluate_task+0x480/0x480 [ 52.007361] ? out_of_memory+0xe1c/0x1790 [ 52.011484] ? lock_downgrade+0x980/0x980 [ 52.015609] ? lock_release+0xa40/0xa40 [ 52.019566] ? oom_evaluate_task+0x284/0x480 [ 52.023954] out_of_memory+0x9d5/0x1790 [ 52.027910] ? oom_killer_disable+0x310/0x310 [ 52.032384] ? mutex_trylock+0x23a/0x2d0 [ 52.036415] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 52.041319] ? __lock_is_held+0xb6/0x140 [ 52.045352] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 52.050785] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 52.055623] ? warn_alloc+0x2b0/0x2b0 [ 52.059397] ? lock_release+0xa40/0xa40 [ 52.063342] ? __schedule+0x8f3/0x2060 [ 52.067206] ? print_irqtrace_events+0x270/0x270 [ 52.071941] ? find_held_lock+0x35/0x1d0 [ 52.075983] ? __mutex_lock+0x5bd/0x1a80 [ 52.080032] ? __lock_acquire+0x664/0x3e00 [ 52.084241] ? lock_release+0xa40/0xa40 [ 52.088190] ? do_raw_spin_trylock+0x190/0x190 [ 52.092743] ? check_noncircular+0x20/0x20 [ 52.096957] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 52.102133] ? __lock_is_held+0xb6/0x140 [ 52.106179] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 52.112041] ? find_held_lock+0x35/0x1d0 [ 52.116084] ? __might_sleep+0x95/0x190 [ 52.120042] __alloc_pages_nodemask+0x9fb/0xd80 [ 52.124694] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 52.129692] ? check_noncircular+0x20/0x20 [ 52.133902] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 52.138809] ? print_irqtrace_events+0x270/0x270 [ 52.143545] ? __lock_is_held+0xb6/0x140 [ 52.147585] ? find_next_bit+0xcc/0x100 [ 52.151540] pcpu_populate_chunk+0x1b3/0x880 [ 52.155930] ? find_next_bit+0x27/0x100 [ 52.159885] pcpu_alloc+0x978/0x10e0 [ 52.163583] ? pcpu_free_area+0xa00/0xa00 [ 52.167703] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 52.172175] ? vmap_page_range_noflush+0x523/0x720 [ 52.177092] ? retint_kernel+0x10/0x10 [ 52.180955] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 52.185955] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 52.190694] ? retint_kernel+0x10/0x10 [ 52.194566] __alloc_percpu_gfp+0x27/0x30 [ 52.198694] array_map_alloc+0x490/0x630 [ 52.202731] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 52.207982] SyS_bpf+0x93c/0x4860 [ 52.211418] ? perf_event_mmap+0x115/0x12a0 [ 52.215717] ? bpf_prog_get+0x20/0x20 [ 52.219496] ? perf_event_fork+0x30/0x30 [ 52.223538] ? __lock_is_held+0xb6/0x140 [ 52.227574] ? vma_wants_writenotify+0x51/0x3b0 [ 52.232222] ? __handle_mm_fault+0x80e/0x3ce0 [ 52.236699] ? __pmd_alloc+0x4e0/0x4e0 [ 52.240559] ? check_noncircular+0x20/0x20 [ 52.244768] ? check_noncircular+0x20/0x20 [ 52.248979] ? find_held_lock+0x35/0x1d0 [ 52.253030] ? handle_mm_fault+0x2a0/0x930 [ 52.257243] ? find_held_lock+0x35/0x1d0 [ 52.261283] ? __do_page_fault+0x5f7/0xc90 [ 52.265493] ? lock_downgrade+0x980/0x980 [ 52.269623] ? handle_mm_fault+0x476/0x930 [ 52.273826] ? down_read_trylock+0xdb/0x170 [ 52.278120] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 52.282846] ? vmacache_find+0x5f/0x280 [ 52.286791] ? vmacache_update+0xfe/0x130 [ 52.290919] ? up_read+0x1a/0x40 [ 52.294262] ? __do_page_fault+0x3d6/0xc90 [ 52.298477] ? mm_fault_error+0x2c0/0x2c0 [ 52.302606] ? do_page_fault+0xee/0x720 [ 52.306554] ? __do_page_fault+0xc90/0xc90 [ 52.310775] ? SyS_mmap_pgoff+0x243/0x5f0 [ 52.314907] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 52.319643] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 52.324369] RIP: 0033:0x440179 [ 52.327532] RSP: 002b:00007fff849bdcf8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 52.335214] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 52.342457] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 52.349698] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 52.356944] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 52.364185] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 52.371495] Mem-Info: [ 52.373930] active_anon:2472 inactive_anon:63 isolated_anon:0 [ 52.373930] active_file:19 inactive_file:7 isolated_file:0 [ 52.373930] unevictable:0 dirty:0 writeback:0 unstable:0 [ 52.373930] slab_reclaimable:7290 slab_unreclaimable:82921 [ 52.373930] mapped:2 shmem:70 pagetables:302 bounce:0 [ 52.373930] free:21598 free_pcp:11 free_cma:0 [ 52.405898] Node 0 active_anon:9888kB inactive_anon:252kB active_file:76kB inactive_file:28kB 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 [ 52.432646] 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 [ 52.458778] lowmem_reserve[]: 0 2870 6381 6381 [ 52.463386] Node 0 DMA32 free:44016kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 52.491231] lowmem_reserve[]: 0 0 3510 3510 [ 52.495576] Node 0 Normal free:26468kB min:37088kB low:46360kB high:55632kB active_anon:9888kB inactive_anon:252kB active_file:72kB inactive_file:24kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3104kB pagetables:1208kB bounce:0kB free_pcp:44kB local_pcp:0kB free_cma:0kB [ 52.524081] lowmem_reserve[]: 0 0 0 0 [ 52.527911] 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 [ 52.541595] Node 0 DMA32: 4*4kB (M) 4*8kB (UM) 6*16kB (UM) 1*32kB (M) 1*64kB (M) 4*128kB (UM) 3*256kB (M) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44016kB [ 52.556876] Node 0 Normal: 311*4kB (ME) 273*8kB (ME) 196*16kB (ME) 130*32kB (UM) 62*64kB (UM) 22*128kB (UMH) 21*256kB (UMH) 1*512kB (H) 1*1024kB (H) 1*2048kB (M) 0*4096kB = 26468kB [ 52.573180] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 52.581763] 96 total pagecache pages [ 52.585488] 0 pages in swap cache [ 52.588943] Swap cache stats: add 0, delete 0, find 0/0 [ 52.594320] Free swap = 0kB [ 52.597339] Total swap = 0kB [ 52.600362] 1965979 pages RAM [ 52.603482] 0 pages HighMem/MovableOnly [ 52.607454] 327775 pages reserved [ 52.610911] Unreclaimable slab info: [ 52.614625] Name Used Total [ 52.620171] hashtab_node 118KB 119KB [ 52.625552] ebitmap_node 382KB 385KB [ 52.630914] avtab_node 1012KB 1013KB [ 52.636293] TIPC 1KB 7KB [ 52.641678] SCTPv6 2KB 4KB [ 52.647048] DCCPv6 2KB 7KB [ 52.652429] DCCP 2KB 6KB [ 52.657806] fib6_nodes 0KB 4KB [ 52.663186] ip6_dst_cache 7KB 11KB [ 52.668569] RAWv6 9KB 13KB [ 52.673932] UDPv6 12KB 14KB [ 52.679302] TCPv6 2KB 5KB [ 52.684690] sd_ext_cdb 0KB 3KB [ 52.690052] scsi_sense_cache 60KB 124KB [ 52.695423] virtio_scsi_cmd 16KB 16KB [ 52.700787] sgpool-128 8KB 8KB [ 52.706186] sgpool-64 4KB 6KB [ 52.711568] sgpool-32 66KB 78KB [ 52.716928] sgpool-16 29KB 30KB [ 52.722294] sgpool-8 156KB 161KB [ 52.727690] cfq_io_cq 15KB 19KB [ 52.733069] cfq_queue 23KB 27KB [ 52.738433] mqueue_inode_cache 1KB 7KB [ 52.743886] nfs_commit_data 3KB 7KB [ 52.749263] nfs_write_data 34KB 37KB [ 52.754629] jbd2_inode 1KB 3KB [ 52.759996] ext4_system_zone 0KB 3KB [ 52.765390] bio-1 1KB 3KB [ 52.770758] rpc_buffers 17KB 19KB [ 52.776127] rpc_tasks 2KB 3KB [ 52.781513] UNIX 773KB 773KB [ 52.786877] tcp_bind_bucket 0KB 4KB [ 52.792249] ip_fib_trie 0KB 3KB [ 52.797623] ip_fib_alias 0KB 3KB [ 52.803006] ip_dst_cache 3KB 8KB [ 52.808404] RAW 5KB 7KB [ 52.813774] UDP 29KB 31KB [ 52.819154] TCP 7KB 7KB [ 52.824517] hugetlbfs_inode_cache 1KB 7KB [ 52.830232] eventpoll_pwq 10KB 15KB [ 52.835613] eventpoll_epi 19KB 23KB [ 52.840992] inotify_inode_mark 3KB 7KB [ 52.846466] request_queue 31KB 45KB [ 52.851845] blkdev_ioc 21KB 27KB [ 52.857219] bio-0 265KB 270KB [ 52.862582] biovec-(1<<(21-12)) 462KB 462KB [ 52.868125] biovec-64 99KB 102KB [ 52.873512] biovec-16 13KB 15KB [ 52.878872] bio_integrity_payload 0KB 4KB [ 52.884589] khugepaged_mm_slot 0KB 3KB [ 52.890061] uid_cache 0KB 3KB [ 52.895440] dmaengine-unmap-2 0KB 3KB [ 52.900801] audit_buffer 0KB 3KB [ 52.906174] skbuff_fclone_cache 140KB 146KB [ 52.911726] skbuff_head_cache 1994KB 1995KB [ 52.917107] configfs_dir_cache 0KB 4KB [ 52.922568] file_lock_cache 159KB 162KB [ 52.927945] file_lock_ctx 1KB 3KB [ 52.933319] fsnotify_mark_connector 2KB 3KB [ 52.939203] shmem_inode_cache 1055KB 1058KB [ 52.944575] task_delay_info 320KB 339KB [ 52.949943] sigqueue 367KB 370KB [ 52.955315] kernfs_node_cache 2292KB 2295KB [ 52.960691] mnt_cache 15KB 20KB [ 52.966070] filp 8265KB 8730KB [ 52.971436] names_cache 110831KB 110861KB [ 52.976804] avc_node 37KB 39KB [ 52.982181] selinux_file_security 415KB 496KB [ 52.987893] selinux_inode_security 1954KB 1960KB [ 52.993697] key_jar 3KB 7KB [ 52.999074] nsproxy 0KB 3KB [ 53.004452] vm_area_struct 18801KB 18813KB [ 53.009816] mm_struct 4553KB 4562KB [ 53.015188] fs_cache 428KB 432KB [ 53.020579] files_cache 1605KB 1608KB [ 53.025942] signal_cache 2558KB 2565KB [ 53.031311] sighand_cache 217KB 333KB [ 53.036682] task_struct 10920KB 10920KB [ 53.042066] cred_jar 2366KB 2372KB [ 53.047439] anon_vma_chain 7893KB 7898KB [ 53.052809] anon_vma 123KB 350KB [ 53.058189] pid 222KB 252KB [ 53.063555] Acpi-Operand 106KB 170KB [ 53.068925] Acpi-Namespace 19KB 23KB [ 53.074307] numa_policy 0KB 3KB [ 53.079672] debug_objects_cache 531KB 535KB [ 53.085219] trace_event_file 145KB 147KB [ 53.090593] ftrace_event_field 257KB 259KB [ 53.096048] pool_workqueue 24KB 28KB [ 53.101424] page->ptl 3104KB 3111KB [ 53.106802] kmalloc-262144 1032KB 1032KB [ 53.112173] kmalloc-131072 650KB 650KB [ 53.117554] kmalloc-65536 264KB 264KB [ 53.122928] kmalloc-32768 825KB 825KB [ 53.128303] kmalloc-16384 181KB 181KB [ 53.133676] kmalloc-8192 519KB 519KB [ 53.139051] kmalloc-4096 6430KB 6460KB [ 53.144413] kmalloc-2048 3240KB 3244KB [ 53.149784] kmalloc-1024 3535KB 3535KB [ 53.155159] kmalloc-512 2799KB 2801KB [ 53.160543] kmalloc-256 1913KB 2422KB [ 53.165912] kmalloc-128 407KB 519KB [ 53.171284] kmalloc-96 2064KB 2064KB [ 53.176655] kmalloc-64 2484KB 2484KB [ 53.182047] kmalloc-32 2399KB 2405KB [ 53.187414] kmalloc-192 916KB 916KB [ 53.192783] kmem_cache 101KB 105KB [ 53.198156] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 53.206757] [ 1827] 0 1827 5385 177 90112 0 -1000 udevd [ 53.214918] [ 3520] 0 3520 14261 175 118784 0 0 rsyslogd [ 53.223355] [ 3575] 0 3575 4725 51 86016 0 0 cron [ 53.231425] [ 3577] 0 3577 3735 44 69632 0 0 mcstransd [ 53.239936] [ 3621] 0 3621 12490 152 131072 0 -1000 sshd [ 53.248042] [ 3645] 0 3645 3694 40 73728 0 0 getty [ 53.256193] [ 3646] 0 3646 3694 40 77824 0 0 getty [ 53.264350] [ 3647] 0 3647 3694 41 77824 0 0 getty [ 53.272515] [ 3648] 0 3648 3694 42 65536 0 0 getty [ 53.280679] [ 3649] 0 3649 3694 40 77824 0 0 getty [ 53.288849] [ 3650] 0 3650 3694 39 73728 0 0 getty [ 53.297042] [ 3651] 0 3651 3649 41 77824 0 0 getty [ 53.305196] [ 3653] 0 3653 5681 456 86016 0 -1000 udevd [ 53.313352] [ 3654] 0 3654 5681 456 86016 0 -1000 udevd [ 53.321518] [ 3673] 0 3673 17821 198 184320 0 0 sshd [ 53.329601] [ 3675] 0 3675 280 1 32768 0 0 syzkaller705125 [ 53.338629] [ 3676] 0 3676 4043 0 32768 0 0 syzkaller705125 [ 53.347658] [ 3677] 0 3677 4043 0 32768 0 0 syzkaller705125 [ 53.356683] [ 3678] 0 3678 4043 0 32768 0 0 syzkaller705125 [ 53.365708] [ 3679] 0 3679 4043 0 32768 0 0 syzkaller705125 [ 53.374735] [ 3680] 0 3680 4043 0 32768 0 0 syzkaller705125 [ 53.383762] [ 3681] 0 3681 4043 0 32768 0 0 syzkaller705125 [ 53.392788] [ 3682] 0 3682 4043 0 32768 0 0 syzkaller705125 [ 53.401812] [ 3683] 0 3683 4043 523 36864 0 0 syzkaller705125 [ 53.410825] Out of memory: Kill process 3683 (syzkaller705125) score 0 or sacrifice child [ 53.419170] Killed process 3683 (syzkaller705125) total-vm:16172kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 53.429949] oom_reaper: reaped process 3683 (syzkaller705125), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 53.441015] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 53.452361] init cpuset=/ mems_allowed=0 [ 53.456736] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc8-next-20180119+ #102 [ 53.464174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.473518] Call Trace: [ 53.476114] dump_stack+0x194/0x257 [ 53.479745] ? arch_local_irq_restore+0x53/0x53 [ 53.484406] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 53.484551] syzkaller705125: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 53.489675] dump_header+0x28c/0xe2b [ 53.489721] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 53.489736] ? pagefault_out_of_memory+0x145/0x145 [ 53.489744] ? __lock_acquire+0x664/0x3e00 [ 53.489757] ? print_irqtrace_events+0x270/0x270 [ 53.500834] syzkaller705125 cpuset= [ 53.504509] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 53.504519] ? check_noncircular+0x20/0x20 [ 53.504528] ? check_noncircular+0x20/0x20 [ 53.504539] ? check_noncircular+0x20/0x20 [ 53.504551] ? reacquire_held_locks+0x1f9/0x3e0 [ 53.509813] / [ 53.514665] ? reacquire_held_locks+0x1f9/0x3e0 [ 53.514679] ? task_will_free_mem+0x252/0xaa0 [ 53.514696] ? print_irqtrace_events+0x270/0x270 [ 53.514717] ? ___ratelimit+0x30d/0x630 [ 53.518985] mems_allowed=0 [ 53.523711] ? lock_downgrade+0x980/0x980 [ 53.523729] ? lock_release+0xa40/0xa40 [ 53.580199] ? mark_held_locks+0xaf/0x100 [ 53.584334] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 53.589420] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.594423] ? trace_hardirqs_on+0xd/0x10 [ 53.599773] ? ___ratelimit+0x95/0x630 [ 53.603644] ? idr_get_free_cmn+0xfd0/0xfd0 [ 53.607969] oom_kill_process+0x81b/0x9f0 [ 53.612102] ? lock_release+0xa40/0xa40 [ 53.616068] ? oom_kill_memcg_member+0x20/0x20 [ 53.620643] ? oom_evaluate_task+0x480/0x480 [ 53.625046] ? out_of_memory+0xe1c/0x1790 [ 53.629181] ? lock_downgrade+0x980/0x980 [ 53.633315] ? lock_release+0xa40/0xa40 [ 53.637268] ? find_next_bit+0xcc/0x100 [ 53.641241] ? oom_evaluate_task+0x284/0x480 [ 53.645637] out_of_memory+0x9d5/0x1790 [ 53.650294] ? oom_killer_disable+0x310/0x310 [ 53.654783] ? mutex_trylock+0x23a/0x2d0 [ 53.658825] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 53.663736] ? __lock_is_held+0xb6/0x140 [ 53.667777] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 53.673228] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 53.678067] ? trace_hardirqs_on+0xd/0x10 [ 53.682229] ? warn_alloc+0x2b0/0x2b0 [ 53.686014] ? lock_downgrade+0x980/0x980 [ 53.690157] ? __lock_is_held+0xb6/0x140 [ 53.694217] ? find_get_entry+0x53c/0x9e0 [ 53.698382] ? check_noncircular+0x20/0x20 [ 53.702602] ? __lock_acquire+0x664/0x3e00 [ 53.706838] ? __lock_is_held+0xb6/0x140 [ 53.710902] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 53.716782] ? __might_sleep+0x95/0x190 [ 53.720744] __alloc_pages_nodemask+0x9fb/0xd80 [ 53.725403] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 53.730403] ? add_to_page_cache_lru+0x510/0x510 [ 53.735148] ? check_noncircular+0x20/0x20 [ 53.739361] ? read_cache_pages+0x990/0x990 [ 53.743667] ? check_noncircular+0x20/0x20 [ 53.747889] ? check_noncircular+0x20/0x20 [ 53.752105] ? check_noncircular+0x20/0x20 [ 53.756322] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 53.761094] alloc_pages_current+0xb6/0x1e0 [ 53.765502] __page_cache_alloc+0x334/0x500 [ 53.769807] ? rcu_read_lock_held+0xa9/0xc0 [ 53.774114] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 53.781472] filemap_fault+0xf34/0x1ca0 [ 53.785432] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 53.790621] ? __lock_page_or_retry+0x4f0/0x4f0 [ 53.795287] ? filemap_map_pages+0x942/0x15d0 [ 53.799781] ? find_get_entries_tag+0xeb0/0xeb0 [ 53.804451] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 53.809618] ? __lock_acquire+0x664/0x3e00 [ 53.813837] ? check_noncircular+0x20/0x20 [ 53.818052] ? print_irqtrace_events+0x270/0x270 [ 53.822796] ? print_irqtrace_events+0x270/0x270 [ 53.827532] ? print_irqtrace_events+0x270/0x270 [ 53.832270] ? check_noncircular+0x20/0x20 [ 53.836503] ? lock_acquire+0x1d5/0x580 [ 53.840455] ? lock_acquire+0x1d5/0x580 [ 53.844410] ? ext4_filemap_fault+0x7a/0xad [ 53.848714] ? __lock_acquire+0x664/0x3e00 [ 53.852933] ? lock_release+0xa40/0xa40 [ 53.856892] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 53.862756] ? check_noncircular+0x20/0x20 [ 53.866977] ? rcu_note_context_switch+0x710/0x710 [ 53.871896] ? __might_sleep+0x95/0x190 [ 53.875857] ? down_read+0x96/0x150 [ 53.879463] ? ext4_filemap_fault+0x7a/0xad [ 53.883764] ? __down_interruptible+0x6b0/0x6b0 [ 53.888428] ext4_filemap_fault+0x82/0xad [ 53.892565] __do_fault+0xeb/0x315 [ 53.896093] ? pte_offset_kernel+0xc7/0xc7 [ 53.900314] ? do_raw_spin_trylock+0x190/0x190 [ 53.904886] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.909895] __handle_mm_fault+0x1d8f/0x3ce0 [ 53.914295] ? __pmd_alloc+0x4e0/0x4e0 [ 53.918164] ? check_noncircular+0x20/0x20 [ 53.922389] ? find_held_lock+0x35/0x1d0 [ 53.926443] ? handle_mm_fault+0x2a0/0x930 [ 53.930660] ? lock_downgrade+0x980/0x980 [ 53.934828] handle_mm_fault+0x38f/0x930 [ 53.938870] ? down_read_trylock+0xdb/0x170 [ 53.943176] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 53.947736] ? vmacache_find+0x5f/0x280 [ 53.951700] ? find_vma+0x30/0x150 [ 53.955226] __do_page_fault+0x5c9/0xc90 [ 53.959279] ? mm_fault_error+0x2c0/0x2c0 [ 53.963427] ? find_held_lock+0x35/0x1d0 [ 53.967494] do_page_fault+0xee/0x720 [ 53.971281] ? __do_page_fault+0xc90/0xc90 [ 53.975504] ? lock_release+0xa40/0xa40 [ 53.979458] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 53.985325] ? syscall_return_slowpath+0x550/0x550 [ 53.990232] ? SyS_select+0x1ae/0x230 [ 53.994030] ? entry_SYSCALL_64_fastpath+0x55/0xa0 [ 53.998950] ? page_fault+0x36/0x60 [ 54.002559] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.007386] ? page_fault+0x36/0x60 [ 54.010996] page_fault+0x4c/0x60 [ 54.014429] RIP: 0033:0x405713 [ 54.017598] RSP: 002b:00007ffea47e48d0 EFLAGS: 00010202 [ 54.022942] RAX: 000000005a62d919 RBX: 00007ffea47e49f0 RCX: ffffffffff600409 [ 54.030191] RDX: 0000000000000000 RSI: 00007ffea47e4800 RDI: 00007ffea47e49f0 [ 54.037441] RBP: 0000000000000000 R08: 00007ffea47e4880 R09: 0000000000000001 [ 54.044690] R10: 0000000000000000 R11: 0000000000000206 R12: 00000000ffffffff [ 54.051939] R13: 00007ffea47e4be0 R14: 0000000000000000 R15: 0000000000000000 [ 54.059219] CPU: 1 PID: 3683 Comm: syzkaller705125 Not tainted 4.15.0-rc8-next-20180119+ #102 [ 54.059314] Mem-Info: [ 54.067905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.067909] Call Trace: [ 54.067922] dump_stack+0x194/0x257 [ 54.067937] ? arch_local_irq_restore+0x53/0x53 [ 54.067945] ? idr_get_free_cmn+0xfd0/0xfd0 [ 54.070358] active_anon:1956 inactive_anon:63 isolated_anon:0 [ 54.070358] active_file:23 inactive_file:3 isolated_file:0 [ 54.070358] unevictable:0 dirty:0 writeback:0 unstable:0 [ 54.070358] slab_reclaimable:7290 slab_unreclaimable:82926 [ 54.070358] mapped:2 shmem:70 pagetables:302 bounce:0 [ 54.070358] free:15879 free_pcp:76 free_cma:0 [ 54.079659] ? debug_object_destroy+0x2b0/0x2b0 [ 54.079680] warn_alloc+0x19a/0x2b0 [ 54.079695] ? zone_watermark_ok_safe+0x400/0x400 [ 54.082273] Node 0 active_anon:7824kB inactive_anon:252kB active_file:92kB inactive_file:12kB 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 [ 54.085864] ? __next_timer_interrupt+0x150/0x150 [ 54.085881] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 54.090536] Node 0 [ 54.094811] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 54.094848] __alloc_pages_slowpath+0x2501/0x2cc0 [ 54.126804] 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 [ 54.131437] ? warn_alloc+0x2b0/0x2b0 [ 54.135032] lowmem_reserve[]: [ 54.139827] ? check_noncircular+0x20/0x20 [ 54.139844] ? check_noncircular+0x20/0x20 [ 54.139857] ? print_irqtrace_events+0x270/0x270 [ 54.166574] 0 [ 54.171377] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 54.171392] ? find_held_lock+0x35/0x1d0 [ 54.176832] 2870 [ 54.179033] ? lock_acquire+0x1d5/0x580 [ 54.179042] ? lock_acquire+0x1d5/0x580 [ 54.179058] ? __lock_acquire+0x664/0x3e00 [ 54.184925] 6381 [ 54.189727] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 54.189745] ? check_noncircular+0x20/0x20 [ 54.215250] 6381 [ 54.219001] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 54.219053] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 54.226351] ? __might_sleep+0x95/0x190 [ 54.226369] __alloc_pages_nodemask+0x9fb/0xd80 [ 54.230582] Node 0 [ 54.235305] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 54.235320] ? check_noncircular+0x20/0x20 [ 54.237114] DMA32 free:29136kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 54.242252] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 54.242271] ? print_irqtrace_events+0x270/0x270 [ 54.246315] lowmem_reserve[]: [ 54.248353] ? __lock_is_held+0xb6/0x140 [ 54.248372] ? find_next_bit+0xcc/0x100 [ 54.252320] 0 [ 54.256265] pcpu_populate_chunk+0x1b3/0x880 [ 54.256276] ? find_next_bit+0x27/0x100 [ 54.260493] 0 [ 54.262539] pcpu_alloc+0x978/0x10e0 [ 54.268403] 3510 [ 54.272618] ? pcpu_free_area+0xa00/0xa00 [ 54.274662] 3510 [ 54.279808] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 54.279823] ? vmap_page_range_noflush+0x523/0x720 [ 54.279857] ? retint_kernel+0x10/0x10 [ 54.289635] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.289648] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.289668] ? retint_kernel+0x10/0x10 [ 54.294321] Node 0 [ 54.296542] __alloc_percpu_gfp+0x27/0x30 [ 54.301556] Normal free:18472kB min:37088kB low:46360kB high:55632kB active_anon:7824kB inactive_anon:252kB active_file:84kB inactive_file:12kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3104kB pagetables:1208kB bounce:0kB free_pcp:184kB local_pcp:64kB free_cma:0kB [ 54.305742] array_map_alloc+0x490/0x630 [ 54.305760] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 54.332458] lowmem_reserve[]: [ 54.337352] SyS_bpf+0x93c/0x4860 [ 54.337363] ? perf_event_mmap+0x115/0x12a0 [ 54.337377] ? bpf_prog_get+0x20/0x20 [ 54.342118] 0 [ 54.345188] ? perf_event_fork+0x30/0x30 [ 54.345212] ? __lock_is_held+0xb6/0x140 [ 54.349264] 0 [ 54.353203] ? vma_wants_writenotify+0x51/0x3b0 [ 54.353221] ? __handle_mm_fault+0x80e/0x3ce0 [ 54.355022] 0 [ 54.359385] ? __pmd_alloc+0x4e0/0x4e0 [ 54.359391] ? check_noncircular+0x20/0x20 [ 54.359404] ? check_noncircular+0x20/0x20 [ 54.363357] 0 [ 54.365124] ? find_held_lock+0x35/0x1d0 [ 54.365147] ? handle_mm_fault+0x2a0/0x930 [ 54.370879] ? find_held_lock+0x35/0x1d0 [ 54.370903] ? __do_page_fault+0x5f7/0xc90 [ 54.375036] Node 0 [ 54.377057] ? lock_downgrade+0x980/0x980 [ 54.377081] ? handle_mm_fault+0x476/0x930 [ 54.381556] DMA: [ 54.386437] ? down_read_trylock+0xdb/0x170 [ 54.386451] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 54.386456] ? vmacache_find+0x5f/0x280 [ 54.386465] ? vmacache_update+0xfe/0x130 [ 54.390362] 1*4kB [ 54.395322] ? up_read+0x1a/0x40 [ 54.395334] ? __do_page_fault+0x3d6/0xc90 [ 54.400073] (U) [ 54.403935] ? mm_fault_error+0x2c0/0x2c0 [ 54.403961] ? do_page_fault+0xee/0x720 [ 54.406168] 0*8kB [ 54.410279] ? __do_page_fault+0xc90/0xc90 [ 54.410303] ? SyS_mmap_pgoff+0x243/0x5f0 [ 54.438310] 0*16kB [ 54.442345] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.442367] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 54.447614] 1*32kB [ 54.450675] RIP: 0033:0x440179 [ 54.450680] RSP: 002b:00007fff849bdcf8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 54.450690] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 54.450697] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 54.454135] (U) [ 54.458408] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 54.458413] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 54.458418] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 54.458686] Mem-Info: [ 54.462222] 2*64kB (U) [ 54.464041] active_anon:1956 inactive_anon:63 isolated_anon:0 [ 54.464041] active_file:23 inactive_file:3 isolated_file:0 [ 54.464041] unevictable:0 dirty:0 writeback:0 unstable:0 [ 54.464041] slab_reclaimable:7290 slab_unreclaimable:82926 [ 54.464041] mapped:2 shmem:70 pagetables:302 bounce:0 [ 54.464041] free:15879 free_pcp:76 free_cma:0 [ 54.464056] Node 0 active_anon:7824kB inactive_anon:252kB active_file:92kB inactive_file:12kB 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 [ 54.468099] 1*128kB [ 54.472147] 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 [ 54.473955] (U) [ 54.478608] lowmem_reserve[]: 0 [ 54.483113] 1*256kB (U) [ 54.484914] 2870 6381 [ 54.488798] 0*512kB [ 54.493019] 6381 [ 54.493027] Node 0 [ 54.497254] 1*1024kB [ 54.499056] DMA32 free:29136kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 54.499060] lowmem_reserve[]: [ 54.503111] (U) [ 54.507332] 0 0 [ 54.511389] 1*2048kB [ 54.515608] 3510 3510 [ 54.517838] (M) [ 54.521977] Node 0 [ 54.526199] 3*4096kB (M) = 15908kB [ 54.526210] Node 0 [ 54.528269] Normal free:18472kB min:37088kB low:46360kB high:55632kB active_anon:7824kB inactive_anon:252kB active_file:84kB inactive_file:12kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3104kB pagetables:1208kB bounce:0kB free_pcp:184kB local_pcp:120kB free_cma:0kB [ 54.528273] lowmem_reserve[]: [ 54.532582] DMA32: [ 54.537147] 0 0 [ 54.541119] 4*4kB [ 54.545249] 0 0 [ 54.547389] (M) [ 54.550744] Node 0 [ 54.554969] 4*8kB [ 54.556933] DMA: 1*4kB [ 54.561072] (UM) [ 54.565031] (U) 0*8kB [ 54.567176] 4*16kB [ 54.571400] 0*16kB 1*32kB [ 54.575540] (M) [ 54.577763] (U) 2*64kB [ 54.582511] 1*32kB (M) [ 54.587267] (U) 1*128kB [ 54.589498] 1*64kB [ 54.592676] (U) 1*256kB [ 54.600376] (M) [ 54.607634] (U) 0*512kB [ 54.614903] 4*128kB [ 54.616864] 1*1024kB (U) [ 54.624129] (UM) [ 54.631389] 1*2048kB (M) [ 54.638652] 3*256kB (M) [ 54.641053] 3*4096kB (M) [ 54.643638] 2*512kB [ 54.675553] = 15908kB [ 54.702257] (M) [ 54.704567] Node 0 DMA32: [ 54.730670] 4*1024kB [ 54.732638] 4*4kB (M) [ 54.735908] (UM) [ 54.738566] 4*8kB (UM) [ 54.741056] 3*2048kB [ 54.743366] 4*16kB (M) [ 54.745424] (UM) [ 54.747644] 1*32kB (M) [ 54.750056] 4*4096kB [ 54.776946] 1*64kB [ 54.780028] (M) [ 54.781991] (M) 4*128kB (UM) [ 54.783972] = 29136kB [ 54.786367] 3*256kB (M) [ 54.788858] Node 0 [ 54.790822] 2*512kB (M) [ 54.793054] Normal: [ 54.796579] 4*1024kB (UM) [ 54.798809] 244*4kB [ 54.826909] 3*2048kB [ 54.830024] (ME) [ 54.832226] (UM) 4*4096kB [ 54.834198] 213*8kB [ 54.836332] (M) = 29136kB [ 54.838300] (UME) [ 54.840264] Node 0 Normal: [ 54.842492] 151*16kB (ME) [ 54.844634] 244*4kB (ME) [ 54.847213] 102*32kB [ 54.849263] 213*8kB (UME) [ 54.851752] (UM) [ 54.853976] 151*16kB (ME) [ 54.856818] 50*64kB [ 54.858779] 102*32kB (UM) [ 54.861356] (UM) [ 54.863924] 50*64kB (UM) [ 54.866591] 14*128kB [ 54.868817] 14*128kB (UM) [ 54.871482] (UM) 14*256kB [ 54.873449] 14*256kB (UM) [ 54.876111] (UM) [ 54.878419] 1*512kB (U) [ 54.881172] 1*512kB [ 54.883220] 1*1024kB (U) [ 54.885972] (U) [ 54.888628] 0*2048kB 0*4096kB [ 54.891380] 1*1024kB [ 54.893691] = 18472kB [ 54.893698] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 54.896093] (U) [ 54.898055] 96 total pagecache pages [ 54.898064] 0 pages in swap cache [ 54.900893] 0*2048kB [ 54.903291] Swap cache stats: add 0, delete 0, find 0/0 [ 54.903295] Free swap = 0kB [ 54.905779] 0*4096kB [ 54.907826] Total swap = 0kB [ 54.907830] 1965979 pages RAM [ 54.910406] = 18472kB [ 54.912800] 0 pages HighMem/MovableOnly [ 54.912804] 327775 pages reserved [ 54.915381] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 55.076693] 96 total pagecache pages [ 55.080418] 0 pages in swap cache [ 55.083884] Swap cache stats: add 0, delete 0, find 0/0 [ 55.089249] Free swap = 0kB [ 55.092268] Total swap = 0kB [ 55.095294] 1965979 pages RAM [ 55.098401] 0 pages HighMem/MovableOnly [ 55.102377] 327775 pages reserved [ 55.105908] Unreclaimable slab info: [ 55.109807] Name Used Total [ 55.115386] hashtab_node 118KB 119KB [ 55.120755] ebitmap_node 382KB 385KB [ 55.126128] avtab_node 1012KB 1013KB [ 55.131506] TIPC 1KB 7KB [ 55.136882] SCTPv6 2KB 4KB [ 55.142255] DCCPv6 2KB 7KB [ 55.147626] DCCP 2KB 6KB [ 55.153037] fib6_nodes 0KB 4KB [ 55.158411] ip6_dst_cache 7KB 11KB [ 55.163785] RAWv6 9KB 13KB [ 55.169159] UDPv6 12KB 14KB [ 55.174531] TCPv6 2KB 5KB [ 55.179918] sd_ext_cdb 0KB 3KB [ 55.185292] scsi_sense_cache 60KB 124KB [ 55.190661] virtio_scsi_cmd 16KB 16KB [ 55.196045] sgpool-128 8KB 8KB [ 55.201431] sgpool-64 4KB 6KB [ 55.206808] sgpool-32 66KB 78KB [ 55.212189] sgpool-16 29KB 30KB [ 55.217570] sgpool-8 156KB 161KB [ 55.222967] cfq_io_cq 15KB 19KB [ 55.228353] cfq_queue 23KB 27KB [ 55.233740] mqueue_inode_cache 1KB 7KB [ 55.239217] nfs_commit_data 3KB 7KB [ 55.244621] nfs_write_data 34KB 37KB [ 55.250041] jbd2_inode 1KB 3KB [ 55.255428] ext4_system_zone 0KB 3KB [ 55.260829] bio-1 1KB 3KB [ 55.266228] rpc_buffers 17KB 19KB [ 55.271615] rpc_tasks 2KB 3KB [ 55.277008] UNIX 773KB 773KB [ 55.282417] tcp_bind_bucket 0KB 4KB [ 55.287819] ip_fib_trie 0KB 3KB [ 55.293213] ip_fib_alias 0KB 3KB [ 55.298602] ip_dst_cache 3KB 8KB [ 55.303996] RAW 5KB 7KB [ 55.309380] UDP 29KB 31KB [ 55.314775] TCP 7KB 7KB [ 55.320159] hugetlbfs_inode_cache 1KB 7KB [ 55.325890] eventpoll_pwq 10KB 15KB [ 55.331278] eventpoll_epi 19KB 23KB [ 55.336662] inotify_inode_mark 3KB 7KB [ 55.342137] request_queue 31KB 45KB [ 55.347526] blkdev_ioc 21KB 27KB [ 55.352915] bio-0 265KB 270KB [ 55.358302] biovec-(1<<(21-12)) 462KB 462KB [ 55.363859] biovec-64 99KB 102KB [ 55.369243] biovec-16 13KB 15KB [ 55.374628] bio_integrity_payload 0KB 4KB [ 55.380356] khugepaged_mm_slot 0KB 3KB [ 55.385830] uid_cache 0KB 3KB [ 55.391214] dmaengine-unmap-2 0KB 3KB [ 55.396598] audit_buffer 0KB 3KB [ 55.401998] skbuff_fclone_cache 140KB 146KB [ 55.407556] skbuff_head_cache 1994KB 1995KB [ 55.412941] configfs_dir_cache 0KB 4KB [ 55.418408] file_lock_cache 159KB 162KB [ 55.423801] file_lock_ctx 1KB 3KB [ 55.429197] fsnotify_mark_connector 2KB 3KB [ 55.435116] shmem_inode_cache 1055KB 1058KB [ 55.440510] task_delay_info 320KB 339KB [ 55.445907] sigqueue 367KB 370KB [ 55.451308] kernfs_node_cache 2292KB 2295KB [ 55.456709] mnt_cache 15KB 20KB [ 55.462109] filp 8265KB 8730KB [ 55.467512] names_cache 110831KB 110861KB [ 55.472922] avc_node 37KB 39KB [ 55.478325] selinux_file_security 415KB 496KB [ 55.484076] selinux_inode_security 1954KB 1960KB [ 55.489918] key_jar 3KB 7KB [ 55.495361] nsproxy 0KB 3KB [ 55.500773] vm_area_struct 18801KB 18813KB [ 55.506175] mm_struct 4553KB 4562KB [ 55.511577] fs_cache 428KB 432KB [ 55.516996] files_cache 1605KB 1608KB [ 55.522392] signal_cache 2558KB 2565KB [ 55.527792] sighand_cache 217KB 333KB [ 55.533195] task_struct 10920KB 10920KB [ 55.538595] cred_jar 2366KB 2372KB [ 55.544000] anon_vma_chain 7893KB 7898KB [ 55.549422] anon_vma 123KB 350KB [ 55.554823] pid 222KB 252KB [ 55.560224] Acpi-Operand 106KB 170KB [ 55.565632] Acpi-Namespace 19KB 23KB [ 55.571045] numa_policy 0KB 3KB [ 55.576438] debug_objects_cache 531KB 535KB [ 55.582033] trace_event_file 145KB 147KB [ 55.587432] ftrace_event_field 257KB 259KB [ 55.592919] pool_workqueue 24KB 28KB [ 55.598325] page->ptl 3104KB 3111KB [ 55.603765] kmalloc-262144 1032KB 1032KB [ 55.609187] kmalloc-131072 650KB 650KB [ 55.614598] kmalloc-65536 264KB 264KB [ 55.620029] kmalloc-32768 825KB 825KB [ 55.625435] kmalloc-16384 181KB 181KB [ 55.630833] kmalloc-8192 519KB 519KB [ 55.636242] kmalloc-4096 6430KB 6460KB [ 55.641639] kmalloc-2048 3240KB 3244KB [ 55.647754] kmalloc-1024 3535KB 3535KB [ 55.653163] kmalloc-512 2799KB 2801KB [ 55.653181] syzkaller705125 (3683) used greatest stack depth: 15280 bytes left [ 55.658536] kmalloc-256 1913KB 2422KB [ 55.665960] syzkaller705125: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 55.671277] kmalloc-128 407KB 519KB [ 55.671282] kmalloc-96 2072KB 2072KB [ 55.671288] kmalloc-64 2492KB 2492KB [ 55.671293] kmalloc-32 2399KB 2405KB [ 55.671356] kmalloc-192 920KB 920KB [ 55.682302] syzkaller705125 cpuset=/ mems_allowed=0 [ 55.682321] CPU: 1 PID: 3680 Comm: syzkaller705125 Not tainted 4.15.0-rc8-next-20180119+ #102 [ 55.687676] kmem_cache 101KB 105KB [ 55.692985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.692989] Call Trace: [ 55.693005] dump_stack+0x194/0x257 [ 55.693020] ? arch_local_irq_restore+0x53/0x53 [ 55.693028] ? idr_get_free_cmn+0xfd0/0xfd0 [ 55.698375] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 55.703696] ? debug_object_destroy+0x2b0/0x2b0 [ 55.703718] warn_alloc+0x19a/0x2b0 [ 55.709150] [ 1827] 0 1827 5385 177 90112 0 -1000 udevd [ 55.714042] ? zone_watermark_ok_safe+0x400/0x400 [ 55.714061] ? __next_timer_interrupt+0x150/0x150 [ 55.714077] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 55.714085] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 55.714110] __alloc_pages_slowpath+0x2501/0x2cc0 [ 55.714157] ? warn_alloc+0x2b0/0x2b0 [ 55.722846] [ 3520] 0 3520 14261 175 118784 0 0 rsyslogd [ 55.728160] ? retint_kernel+0x10/0x10 [ 55.728171] ? check_noncircular+0x20/0x20 [ 55.728182] ? print_irqtrace_events+0x270/0x270 [ 55.737527] [ 3575] 0 3575 4725 51 86016 0 0 cron [ 55.740068] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 55.740083] ? retint_kernel+0x10/0x10 [ 55.743704] [ 3577] 0 3577 3735 44 69632 0 0 mcstransd [ 55.748327] ? lock_acquire+0x1d5/0x580 [ 55.748335] ? lock_acquire+0x1d5/0x580 [ 55.748352] ? __lock_acquire+0x664/0x3e00 [ 55.752659] [ 3621] 0 3621 12490 152 131072 0 -1000 sshd [ 55.761189] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 55.761205] ? check_noncircular+0x20/0x20 [ 55.765863] [ 3645] 0 3645 3694 40 73728 0 0 getty [ 55.769447] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 55.769496] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 55.777607] [ 3646] 0 3646 3694 40 77824 0 0 getty [ 55.782397] ? find_held_lock+0x35/0x1d0 [ 55.782424] ? __might_sleep+0x95/0x190 [ 55.787266] [ 3647] 0 3647 3694 41 77824 0 0 getty [ 55.792675] __alloc_pages_nodemask+0x9fb/0xd80 [ 55.792696] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 55.798570] [ 3648] 0 3648 3694 42 65536 0 0 getty [ 55.803368] ? check_noncircular+0x20/0x20 [ 55.803380] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 55.803396] ? print_irqtrace_events+0x270/0x270 [ 55.807185] [ 3649] 0 3649 3694 40 77824 0 0 getty [ 55.815548] ? __lock_is_held+0xb6/0x140 [ 55.815567] ? find_next_bit+0xcc/0x100 [ 55.819440] [ 3650] 0 3650 3694 39 73728 0 0 getty [ 55.823633] pcpu_populate_chunk+0x1b3/0x880 [ 55.823644] ? find_next_bit+0x27/0x100 [ 55.828390] [ 3651] 0 3651 3649 41 77824 0 0 getty [ 55.836415] pcpu_alloc+0x978/0x10e0 [ 55.836443] ? pcpu_free_area+0xa00/0xa00 [ 55.841611] [ 3653] 0 3653 5681 456 86016 0 -1000 udevd [ 55.845444] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 55.845460] ? vmap_page_range_noflush+0x523/0x720 [ 55.845492] ? retint_kernel+0x10/0x10 [ 55.853957] [ 3654] 0 3654 5681 456 86016 0 -1000 udevd [ 55.857882] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 55.857895] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 55.857915] ? retint_kernel+0x10/0x10 [ 55.861875] [ 3673] 0 3673 17821 198 184320 0 0 sshd [ 55.866076] __alloc_percpu_gfp+0x27/0x30 [ 55.866091] array_map_alloc+0x490/0x630 [ 55.874151] [ 3675] 0 3675 280 1 32768 0 0 syzkaller705125 [ 55.879991] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 55.880010] SyS_bpf+0x93c/0x4860 [ 55.884236] [ 3676] 0 3676 4043 0 32768 0 0 syzkaller705125 [ 55.892326] ? perf_event_mmap+0x115/0x12a0 [ 55.892341] ? bpf_prog_get+0x20/0x20 [ 55.892355] ? perf_event_fork+0x30/0x30 [ 55.897535] [ 3677] 0 3677 4043 0 32768 0 0 syzkaller705125 [ 55.903381] ? __lock_is_held+0xb6/0x140 [ 55.903396] ? vma_wants_writenotify+0x51/0x3b0 [ 55.911527] [ 3678] 0 3678 4043 0 32768 0 0 syzkaller705125 [ 55.915546] ? __handle_mm_fault+0x80e/0x3ce0 [ 55.915565] ? __pmd_alloc+0x4e0/0x4e0 [ 55.919526] [ 3679] 0 3679 4043 0 32768 0 0 syzkaller705125 [ 55.927612] ? check_noncircular+0x20/0x20 [ 55.927627] ? check_noncircular+0x20/0x20 [ 55.927639] ? find_held_lock+0x35/0x1d0 [ 55.932298] [ 3680] 0 3680 4043 0 32768 0 0 syzkaller705125 [ 55.937275] ? handle_mm_fault+0x2a0/0x930 [ 55.937290] ? find_held_lock+0x35/0x1d0 [ 55.945419] [ 3681] 0 3681 4043 0 32768 0 0 syzkaller705125 [ 55.949620] ? __do_page_fault+0x5f7/0xc90 [ 55.949631] ? lock_downgrade+0x980/0x980 [ 55.954549] [ 3682] 0 3682 4043 0 32768 0 0 syzkaller705125 [ 55.959269] ? handle_mm_fault+0x476/0x930 [ 55.959278] ? down_read_trylock+0xdb/0x170 [ 55.967407] Out of memory: Kill process 3673 (sshd) score 0 or sacrifice child [ 55.971427] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 55.971434] ? vmacache_find+0x5f/0x280 [ 55.971441] ? vmacache_update+0xfe/0x130 [ 55.971459] ? up_read+0x1a/0x40 [ 55.975839] Killed process 3675 (syzkaller705125) total-vm:1120kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 55.983512] ? __do_page_fault+0x3d6/0xc90 [ 55.983535] ? mm_fault_error+0x2c0/0x2c0 [ 55.983559] ? do_page_fault+0xee/0x720 [ 55.983571] ? __do_page_fault+0xc90/0xc90 [ 55.983593] ? SyS_mmap_pgoff+0x243/0x5f0 [ 56.268086] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.272843] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 56.277580] RIP: 0033:0x440179 [ 56.280749] RSP: 002b:00007fff849bdcf8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 56.288442] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 56.295700] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 56.302950] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 56.310196] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 56.317446] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 56.324813] Mem-Info: [ 56.327248] active_anon:1955 inactive_anon:63 isolated_anon:0 [ 56.327248] active_file:13 inactive_file:13 isolated_file:0 [ 56.327248] unevictable:0 dirty:0 writeback:0 unstable:0 [ 56.327248] slab_reclaimable:7290 slab_unreclaimable:82901 [ 56.327248] mapped:2 shmem:70 pagetables:301 bounce:0 [ 56.327248] free:16011 free_pcp:253 free_cma:0 [ 56.359381] Node 0 active_anon:7820kB inactive_anon:252kB active_file:52kB inactive_file:52kB 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 [ 56.385845] 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 [ 56.411993] lowmem_reserve[]: 0 2870 6381 6381 [ 56.416632] Node 0 DMA32 free:29136kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:124kB local_pcp:124kB free_cma:0kB [ 56.444148] lowmem_reserve[]: 0 0 3510 3510 [ 56.448499] Node 0 Normal free:19000kB min:37088kB low:46360kB high:55632kB active_anon:7820kB inactive_anon:252kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3040kB pagetables:1204kB bounce:0kB free_pcp:888kB local_pcp:684kB free_cma:0kB [ 56.477260] lowmem_reserve[]: 0 0 0 0 [ 56.481544] 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 [ 56.495178] Node 0 DMA32: 4*4kB (M) 4*8kB (UM) 4*16kB (M) 1*32kB (M) 1*64kB (M) 4*128kB (UM) 3*256kB (M) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 29136kB [ 56.510389] Node 0 Normal: 246*4kB (UME) 263*8kB (UME) 151*16kB (ME) 104*32kB (UM) 50*64kB (UM) 15*128kB (UM) 14*256kB (UM) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 19072kB [ 56.526377] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 56.534946] 96 total pagecache pages [ 56.538664] 0 pages in swap cache [ 56.542131] Swap cache stats: add 0, delete 0, find 0/0 [ 56.547495] Free swap = 0kB [ 56.550517] Total swap = 0kB [ 56.553540] 1965979 pages RAM [ 56.556652] 0 pages HighMem/MovableOnly [ 56.560629] 327775 pages reserved [ 56.997931] sshd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 57.009056] sshd cpuset=/ mems_allowed=0 [ 57.013171] CPU: 0 PID: 3673 Comm: sshd Not tainted 4.15.0-rc8-next-20180119+ #102 [ 57.020871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.030215] Call Trace: [ 57.032807] dump_stack+0x194/0x257 [ 57.036446] ? arch_local_irq_restore+0x53/0x53 [ 57.041115] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 57.046314] dump_header+0x28c/0xe2b [ 57.050035] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 57.055244] ? pagefault_out_of_memory+0x145/0x145 [ 57.060174] ? __lock_acquire+0x664/0x3e00 [ 57.064417] ? print_irqtrace_events+0x270/0x270 [ 57.069187] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 57.074381] ? avc_has_extended_perms+0x12c0/0x12c0 [ 57.079402] ? check_noncircular+0x20/0x20 [ 57.083631] ? check_noncircular+0x20/0x20 [ 57.087857] ? print_irqtrace_events+0x270/0x270 [ 57.092608] ? check_noncircular+0x20/0x20 [ 57.096846] ? reacquire_held_locks+0x1f9/0x3e0 [ 57.101507] ? reacquire_held_locks+0x1f9/0x3e0 [ 57.106170] ? find_lock_task_mm+0x1c2/0x460 [ 57.110575] ? task_will_free_mem+0x252/0xaa0 [ 57.115072] ? print_irqtrace_events+0x270/0x270 [ 57.119838] ? ___ratelimit+0x30d/0x630 [ 57.123816] ? lock_downgrade+0x980/0x980 [ 57.127969] ? lock_release+0xa40/0xa40 [ 57.131948] ? mark_held_locks+0xaf/0x100 [ 57.136098] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 57.141205] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 57.146221] ? trace_hardirqs_on+0xd/0x10 [ 57.150366] ? ___ratelimit+0x95/0x630 [ 57.154251] ? idr_get_free_cmn+0xfd0/0xfd0 [ 57.158592] oom_kill_process+0x81b/0x9f0 [ 57.162740] ? lock_release+0xa40/0xa40 [ 57.166716] ? oom_kill_memcg_member+0x20/0x20 [ 57.171298] ? oom_evaluate_task+0x480/0x480 [ 57.175716] ? out_of_memory+0xe1c/0x1790 [ 57.179863] ? lock_downgrade+0x980/0x980 [ 57.184016] ? lock_release+0xa40/0xa40 [ 57.187985] ? find_next_bit+0xcc/0x100 [ 57.191965] ? oom_evaluate_task+0x284/0x480 [ 57.196381] out_of_memory+0x9d5/0x1790 [ 57.200371] ? oom_killer_disable+0x310/0x310 [ 57.204888] ? mutex_trylock+0x23a/0x2d0 [ 57.208955] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 57.213897] ? __lock_is_held+0xb6/0x140 [ 57.217967] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 57.223438] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 57.228296] ? lock_release+0xa40/0xa40 [ 57.232295] ? warn_alloc+0x2b0/0x2b0 [ 57.236100] ? lock_downgrade+0x980/0x980 [ 57.240268] ? radix_tree_lookup_slot+0x99/0xe0 [ 57.244960] ? find_get_entry+0x53c/0x9e0 [ 57.249112] ? print_irqtrace_events+0x270/0x270 [ 57.253893] ? check_noncircular+0x20/0x20 [ 57.258131] ? check_noncircular+0x20/0x20 [ 57.262370] ? __lock_acquire+0x664/0x3e00 [ 57.266630] ? __lock_is_held+0xb6/0x140 [ 57.270722] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 57.276627] ? __might_sleep+0x95/0x190 [ 57.280609] __alloc_pages_nodemask+0x9fb/0xd80 [ 57.285293] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 57.290313] ? add_to_page_cache_lru+0x510/0x510 [ 57.295078] ? check_noncircular+0x20/0x20 [ 57.299308] ? read_cache_pages+0x990/0x990 [ 57.303631] ? check_noncircular+0x20/0x20 [ 57.307866] ? check_noncircular+0x20/0x20 [ 57.312095] ? check_noncircular+0x20/0x20 [ 57.316323] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 57.321106] alloc_pages_current+0xb6/0x1e0 [ 57.325429] __page_cache_alloc+0x334/0x500 [ 57.329762] ? rcu_read_lock_held+0xa9/0xc0 [ 57.334109] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 57.341491] filemap_fault+0xf34/0x1ca0 [ 57.345460] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 57.350661] ? __lock_page_or_retry+0x4f0/0x4f0 [ 57.355329] ? print_irqtrace_events+0x270/0x270 [ 57.360089] ? filemap_map_pages+0x942/0x15d0 [ 57.364601] ? find_get_entries_tag+0xeb0/0xeb0 [ 57.369265] ? __lock_acquire+0x664/0x3e00 [ 57.373497] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 57.378679] ? print_irqtrace_events+0x270/0x270 [ 57.383422] ? add_wait_queue+0x290/0x290 [ 57.387565] ? check_noncircular+0x20/0x20 [ 57.391789] ? print_irqtrace_events+0x270/0x270 [ 57.396446] syzkaller705125: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 57.396538] ? print_irqtrace_events+0x270/0x270 [ 57.407540] syzkaller705125 cpuset= [ 57.412259] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 57.412267] ? free_obj_work+0x690/0x690 [ 57.412283] ? cpumask_local_spread+0x260/0x260 [ 57.415886] / [ 57.421043] ? lock_acquire+0x1d5/0x580 [ 57.425077] mems_allowed=0 [ 57.429702] ? lock_acquire+0x1d5/0x580 [ 57.429711] ? ext4_filemap_fault+0x7a/0xad [ 57.429724] ? __lock_acquire+0x664/0x3e00 [ 57.450702] ? lock_release+0xa40/0xa40 [ 57.454661] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 57.460533] ? rcu_note_context_switch+0x710/0x710 [ 57.465459] ? __might_sleep+0x95/0x190 [ 57.469420] ? down_read+0x96/0x150 [ 57.473024] ? ext4_filemap_fault+0x7a/0xad [ 57.477325] ? __down_interruptible+0x6b0/0x6b0 [ 57.481979] ? rcu_pm_notify+0xc0/0xc0 [ 57.485856] ext4_filemap_fault+0x82/0xad [ 57.489989] __do_fault+0xeb/0x315 [ 57.493513] ? find_held_lock+0x35/0x1d0 [ 57.497556] ? pte_offset_kernel+0xc7/0xc7 [ 57.501785] ? __set_current_blocked+0xcf/0x110 [ 57.506435] ? lock_downgrade+0x980/0x980 [ 57.510572] __handle_mm_fault+0x1d8f/0x3ce0 [ 57.514972] ? __pmd_alloc+0x4e0/0x4e0 [ 57.518839] ? check_noncircular+0x20/0x20 [ 57.523054] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 57.528059] ? find_held_lock+0x35/0x1d0 [ 57.532114] ? handle_mm_fault+0x2a0/0x930 [ 57.536329] ? lock_downgrade+0x980/0x980 [ 57.540492] handle_mm_fault+0x38f/0x930 [ 57.544532] ? down_read_trylock+0xdb/0x170 [ 57.548836] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 57.553395] ? vmacache_find+0x5f/0x280 [ 57.557349] ? vmacache_update+0xfe/0x130 [ 57.561478] ? find_vma+0x30/0x150 [ 57.565006] __do_page_fault+0x5c9/0xc90 [ 57.569061] ? mm_fault_error+0x2c0/0x2c0 [ 57.573190] ? exit_to_usermode_loop+0x8c/0x2f0 [ 57.577854] do_page_fault+0xee/0x720 [ 57.581637] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 57.587154] ? __do_page_fault+0xc90/0xc90 [ 57.591384] ? syscall_return_slowpath+0x2ad/0x550 [ 57.596293] ? prepare_exit_to_usermode+0x340/0x340 [ 57.601286] ? SyS_write+0x184/0x220 [ 57.604985] ? return_from_SYSCALL_64+0x10/0x75 [ 57.609639] ? page_fault+0x36/0x60 [ 57.613246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.618071] ? page_fault+0x36/0x60 [ 57.621678] page_fault+0x4c/0x60 [ 57.625111] RIP: 0033:0x558a6aeb4530 [ 57.628800] RSP: 002b:00007ffdc634dc38 EFLAGS: 00010246 [ 57.634142] RAX: 0000000000000000 RBX: 00007ffdc634e260 RCX: 00007f2c7869bdd3 [ 57.641395] RDX: 00007ffdc634dc40 RSI: 00007ffdc634dd70 RDI: 0000000000000011 [ 57.649140] RBP: 0000558a6b11b8dc R08: 00007ffdc634e200 R09: 0101010101010101 [ 57.656390] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdc634e268 [ 57.663637] R13: 0000000000000000 R14: 00007ffdc634e258 R15: 00007ffdc634e25c [ 57.670916] CPU: 1 PID: 3677 Comm: syzkaller705125 Not tainted 4.15.0-rc8-next-20180119+ #102 [ 57.670992] Mem-Info: [ 57.679559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.679563] Call Trace: [ 57.679577] dump_stack+0x194/0x257 [ 57.679592] ? arch_local_irq_restore+0x53/0x53 [ 57.682004] active_anon:1955 inactive_anon:63 isolated_anon:0 [ 57.682004] active_file:13 inactive_file:13 isolated_file:0 [ 57.682004] unevictable:0 dirty:0 writeback:0 unstable:0 [ 57.682004] slab_reclaimable:7290 slab_unreclaimable:82907 [ 57.682004] mapped:2 shmem:70 pagetables:297 bounce:0 [ 57.682004] free:15882 free_pcp:217 free_cma:0 [ 57.691298] ? idr_get_free_cmn+0xfd0/0xfd0 [ 57.691310] ? debug_object_destroy+0x2b0/0x2b0 [ 57.691333] warn_alloc+0x19a/0x2b0 [ 57.693906] Node 0 active_anon:7820kB inactive_anon:252kB active_file:52kB inactive_file:52kB 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 [ 57.697485] ? zone_watermark_ok_safe+0x400/0x400 [ 57.697506] ? __next_timer_interrupt+0x150/0x150 [ 57.702160] Node 0 [ 57.734227] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 57.734236] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 57.734266] __alloc_pages_slowpath+0x2501/0x2cc0 [ 57.738579] 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 [ 57.743234] ? warn_alloc+0x2b0/0x2b0 [ 57.746829] lowmem_reserve[]: [ 57.773238] ? check_noncircular+0x20/0x20 [ 57.773254] ? check_noncircular+0x20/0x20 [ 57.773269] ? print_irqtrace_events+0x270/0x270 [ 57.773285] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 57.778110] 0 [ 57.782915] ? find_held_lock+0x35/0x1d0 [ 57.782935] ? lock_acquire+0x1d5/0x580 [ 57.785157] 2870 [ 57.790564] ? lock_acquire+0x1d5/0x580 [ 57.790581] ? __lock_acquire+0x664/0x3e00 [ 57.790596] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 57.796457] 6381 [ 57.801268] ? check_noncircular+0x20/0x20 [ 57.801285] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 57.801333] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 57.826785] 6381 [ 57.830556] ? __might_sleep+0x95/0x190 [ 57.830573] __alloc_pages_nodemask+0x9fb/0xd80 [ 57.837860] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 57.837876] ? check_noncircular+0x20/0x20 [ 57.842096] Node 0 [ 57.846813] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 57.846832] ? print_irqtrace_events+0x270/0x270 [ 57.852033] DMA32 free:29136kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 57.853781] ? __lock_is_held+0xb6/0x140 [ 57.853800] ? find_next_bit+0xcc/0x100 [ 57.857841] lowmem_reserve[]: [ 57.861785] pcpu_populate_chunk+0x1b3/0x880 [ 57.861797] ? find_next_bit+0x27/0x100 [ 57.863843] 0 [ 57.867790] pcpu_alloc+0x978/0x10e0 [ 57.867818] ? pcpu_free_area+0xa00/0xa00 [ 57.872033] 0 [ 57.877867] ? vmap_page_range_noflush+0x523/0x720 [ 57.877895] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 57.879933] 3510 [ 57.884130] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 57.884152] ? retint_kernel+0x10/0x10 [ 57.889323] 3510 [ 57.895180] ? pcpu_alloc+0x186/0x10e0 [ 57.895198] __alloc_percpu_gfp+0x27/0x30 [ 57.901173] array_map_alloc+0x490/0x630 [ 57.901187] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 57.901200] SyS_bpf+0x93c/0x4860 [ 57.905853] Node 0 [ 57.910828] ? perf_event_mmap+0x115/0x12a0 [ 57.910843] ? bpf_prog_get+0x20/0x20 [ 57.910853] ? lock_release+0xa40/0xa40 [ 57.915082] Normal free:18484kB min:37088kB low:46360kB high:55632kB active_anon:7820kB inactive_anon:252kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3008kB pagetables:1188kB bounce:0kB free_pcp:748kB local_pcp:628kB free_cma:0kB [ 57.917266] ? perf_event_fork+0x30/0x30 [ 57.917279] ? do_raw_spin_trylock+0x190/0x190 [ 57.917295] ? __lock_is_held+0xb6/0x140 [ 57.922202] lowmem_reserve[]: [ 57.926919] ? vma_wants_writenotify+0x51/0x3b0 [ 57.926941] ? __handle_mm_fault+0x80e/0x3ce0 [ 57.953648] 0 [ 57.957664] ? __pmd_alloc+0x4e0/0x4e0 [ 57.957672] ? check_noncircular+0x20/0x20 [ 57.957685] ? check_noncircular+0x20/0x20 [ 57.961641] 0 [ 57.964708] ? find_held_lock+0x35/0x1d0 [ 57.964731] ? handle_mm_fault+0x2a0/0x930 [ 57.969123] 0 [ 57.973062] ? find_held_lock+0x35/0x1d0 [ 57.973086] ? __do_page_fault+0x5f7/0xc90 [ 57.974874] 0 [ 57.978546] ? lock_downgrade+0x980/0x980 [ 57.978570] ? handle_mm_fault+0x476/0x930 [ 57.984458] ? down_read_trylock+0xdb/0x170 [ 57.984472] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 57.984478] ? vmacache_find+0x5f/0x280 [ 57.984486] ? vmacache_update+0xfe/0x130 [ 57.989398] Node 0 [ 57.994377] ? up_read+0x1a/0x40 [ 57.994387] ? __do_page_fault+0x3d6/0xc90 [ 57.994408] ? mm_fault_error+0x2c0/0x2c0 [ 57.996448] DMA: [ 58.001177] ? do_page_fault+0xee/0x720 [ 58.001190] ? __do_page_fault+0xc90/0xc90 [ 58.005060] 1*4kB [ 58.007091] ? SyS_mmap_pgoff+0x243/0x5f0 [ 58.007117] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 58.010972] (U) [ 58.015091] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 58.015100] RIP: 0033:0x440179 [ 58.019155] 0*8kB [ 58.024370] RSP: 002b:00007fff849bdcf8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 58.024380] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 58.024385] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 58.024390] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 58.024397] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 58.027836] 0*16kB [ 58.030029] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 58.030144] Mem-Info: [ 58.034366] 1*32kB [ 58.038162] active_anon:1955 inactive_anon:63 isolated_anon:0 [ 58.038162] active_file:13 inactive_file:13 isolated_file:0 [ 58.038162] unevictable:0 dirty:0 writeback:0 unstable:0 [ 58.038162] slab_reclaimable:7290 slab_unreclaimable:82907 [ 58.038162] mapped:2 shmem:70 pagetables:297 bounce:0 [ 58.038162] free:15882 free_pcp:217 free_cma:0 [ 58.038177] Node 0 active_anon:7820kB inactive_anon:252kB active_file:52kB inactive_file:52kB 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 [ 58.042130] (U) [ 58.070220] 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 [ 58.074278] 2*64kB [ 58.078842] lowmem_reserve[]: 0 2870 [ 58.082923] (U) [ 58.085987] 6381 6381 [ 58.090654] 1*128kB [ 58.095133] Node 0 DMA32 free:29136kB min:30328kB low:37908kB high:45488kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 58.095149] lowmem_reserve[]: [ 58.096943] (U) [ 58.100815] 0 0 3510 [ 58.105046] 1*256kB [ 58.109268] 3510 [ 58.109275] Node 0 [ 58.111067] (U) [ 58.115123] Normal free:18484kB min:37088kB low:46360kB high:55632kB active_anon:7820kB inactive_anon:252kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3008kB pagetables:1188kB bounce:0kB free_pcp:748kB local_pcp:120kB free_cma:0kB [ 58.115126] lowmem_reserve[]: [ 58.119352] 0*512kB [ 58.121139] 0 0 0 [ 58.125197] 1*1024kB [ 58.129417] 0 [ 58.129424] Node 0 [ 58.131220] (U) [ 58.135355] DMA: 1*4kB [ 58.139589] 1*2048kB [ 58.143894] (U) 0*8kB 0*16kB [ 58.148481] (M) [ 58.152437] 1*32kB (U) 2*64kB [ 58.156582] 3*4096kB [ 58.158810] (U) [ 58.162167] (M) [ 58.166380] 1*128kB (U) 1*256kB [ 58.170528] = 15908kB [ 58.172574] (U) 0*512kB 1*1024kB [ 58.176546] Node 0 [ 58.180765] (U) 1*2048kB (M) [ 58.182914] DMA32: [ 58.187047] 3*4096kB (M) [ 58.191799] 4*4kB [ 58.193768] = 15908kB [ 58.193771] Node 0 DMA32: [ 58.198520] (M) [ 58.201697] 4*4kB (M) [ 58.203845] 4*8kB [ 58.211546] 4*8kB (UM) [ 58.218827] (UM) [ 58.226085] 4*16kB (M) 1*32kB [ 58.233356] 4*16kB [ 58.240611] (M) 1*64kB (M) [ 58.242845] (M) [ 58.250105] 4*128kB (UM) [ 58.252511] 1*32kB [ 58.254734] 3*256kB (M) 2*512kB (M) 4*1024kB [ 58.286861] (M) [ 58.313292] (UM) 3*2048kB (UM) [ 58.315269] 1*64kB [ 58.341365] 4*4096kB (M) [ 58.343596] (M) [ 58.347293] = 29136kB [ 58.347296] Node 0 Normal: [ 58.349266] 4*128kB [ 58.351747] 247*4kB (ME) [ 58.354072] (UM) [ 58.381555] 209*8kB (UME) [ 58.384656] 3*256kB [ 58.386615] 151*16kB (UME) 101*32kB [ 58.389026] (M) [ 58.391333] (UM) 51*64kB (M) [ 58.393395] 2*512kB [ 58.395618] 14*128kB (UM) 14*256kB [ 58.397592] (M) [ 58.425691] (UM) 1*512kB [ 58.428796] 4*1024kB [ 58.431103] (U) 1*1024kB (U) [ 58.433252] (UM) [ 58.435649] 0*2048kB 0*4096kB [ 58.437448] 3*2048kB [ 58.439670] = 18484kB [ 58.439679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 58.441644] (UM) [ 58.444232] 96 total pagecache pages [ 58.446637] 4*4096kB [ 58.449730] 0 pages in swap cache [ 58.449737] Swap cache stats: add 0, delete 0, find 0/0 [ 58.451702] (M) [ 58.454881] Free swap = 0kB [ 58.454887] Total swap = 0kB [ 58.457290] = 29136kB [ 58.459252] 1965979 pages RAM [ 58.459257] 0 pages HighMem/MovableOnly [ 58.461223] Node 0 Normal: [ 58.464582] 327775 pages reserved [ 58.633881] 247*4kB (ME) 209*8kB (UME) 151*16kB (UME) 101*32kB (UM) 51*64kB (M) 14*128kB (UM) 14*256kB (UM) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 18484kB [ 58.648486] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 58.657092] 96 total pagecache pages [ 58.660827] 0 pages in swap cache [ 58.664292] Swap cache stats: add 0, delete 0, find 0/0 [ 58.669665] Free swap = 0kB [ 58.672701] Total swap = 0kB [ 58.675744] 1965979 pages RAM [ 58.678859] 0 pages HighMem/MovableOnly [ 58.682840] 327775 pages reserved [ 58.686303] Unreclaimable slab info: [ 58.690045] Name Used Total [ 58.695597] hashtab_node 118KB 119KB [ 58.700975] ebitmap_node 382KB 385KB [ 58.706356] avtab_node 1012KB 1013KB [ 58.711742] TIPC 1KB 7KB [ 58.717120] SCTPv6 2KB 4KB [ 58.722519] DCCPv6 2KB 7KB [ 58.727903] DCCP 2KB 6KB [ 58.733306] fib6_nodes 0KB 4KB [ 58.738679] ip6_dst_cache 6KB 11KB [ 58.744061] RAWv6 9KB 13KB [ 58.749475] UDPv6 12KB 14KB [ 58.754854] TCPv6 2KB 5KB [ 58.760245] sd_ext_cdb 0KB 3KB [ 58.765620] scsi_sense_cache 60KB 124KB [ 58.770994] virtio_scsi_cmd 16KB 16KB [ 58.776378] sgpool-128 8KB 8KB [ 58.781757] sgpool-64 4KB 6KB [ 58.787132] sgpool-32 65KB 78KB [ 58.792510] sgpool-16 29KB 30KB [ 58.797888] sgpool-8 156KB 161KB [ 58.803268] cfq_io_cq 15KB 19KB [ 58.808650] cfq_queue 23KB 27KB [ 58.814058] mqueue_inode_cache 1KB 7KB [ 58.819523] nfs_commit_data 3KB 7KB [ 58.824901] nfs_write_data 34KB 37KB [ 58.830277] jbd2_inode 1KB 3KB [ 58.835655] ext4_system_zone 0KB 3KB [ 58.841043] bio-1 1KB 3KB [ 58.846429] rpc_buffers 17KB 19KB [ 58.851805] rpc_tasks 2KB 3KB [ 58.857179] UNIX 773KB 773KB [ 58.862558] tcp_bind_bucket 0KB 4KB [ 58.867936] ip_fib_trie 0KB 3KB [ 58.873314] ip_fib_alias 0KB 3KB [ 58.878691] ip_dst_cache 3KB 8KB [ 58.884066] RAW 5KB 7KB [ 58.889443] UDP 29KB 31KB [ 58.894822] TCP 7KB 7KB [ 58.900196] hugetlbfs_inode_cache 1KB 7KB [ 58.905924] eventpoll_pwq 10KB 15KB [ 58.911303] eventpoll_epi 19KB 23KB [ 58.916680] inotify_inode_mark 3KB 7KB [ 58.922146] request_queue 31KB 39KB [ 58.927524] blkdev_ioc 20KB 27KB [ 58.932903] bio-0 264KB 270KB [ 58.938275] biovec-(1<<(21-12)) 462KB 462KB [ 58.943862] biovec-64 99KB 102KB [ 58.949236] biovec-16 12KB 15KB [ 58.954615] bio_integrity_payload 0KB 4KB [ 58.960338] khugepaged_mm_slot 0KB 3KB [ 58.965803] uid_cache 0KB 3KB [ 58.968668] syzkaller705125 (3677) used greatest stack depth: 14848 bytes left [ 58.971175] dmaengine-unmap-2 0KB 3KB [ 58.971183] audit_buffer 0KB 3KB [ 58.971189] skbuff_fclone_cache 140KB 146KB [ 58.971195] skbuff_head_cache 1993KB 1995KB [ 59.000283] configfs_dir_cache 0KB 4KB [ 59.005764] file_lock_cache 159KB 162KB [ 59.011163] file_lock_ctx 1KB 3KB [ 59.016567] fsnotify_mark_connector 2KB 3KB [ 59.022496] shmem_inode_cache 1055KB 1058KB [ 59.027887] task_delay_info 320KB 339KB [ 59.033278] sigqueue 367KB 370KB [ 59.038677] kernfs_node_cache 2292KB 2295KB [ 59.044071] mnt_cache 15KB 20KB [ 59.049465] filp 8237KB 8696KB [ 59.054859] names_cache 110831KB 110852KB [ 59.060264] avc_node 37KB 39KB [ 59.065676] selinux_file_security 412KB 496KB [ 59.071443] selinux_inode_security 1954KB 1960KB [ 59.077278] key_jar 3KB 7KB [ 59.082691] nsproxy 0KB 3KB [ 59.088095] vm_area_struct 18801KB 18813KB [ 59.093492] mm_struct 4553KB 4562KB [ 59.098886] fs_cache 428KB 432KB [ 59.104274] files_cache 1605KB 1608KB [ 59.109669] signal_cache 2558KB 2565KB [ 59.115054] sighand_cache 217KB 333KB [ 59.120445] task_struct 10920KB 10920KB [ 59.125841] cred_jar 2366KB 2372KB [ 59.131227] anon_vma_chain 7893KB 7898KB [ 59.136614] anon_vma 122KB 350KB [ 59.142055] pid 222KB 252KB [ 59.147443] Acpi-Operand 106KB 170KB [ 59.152841] Acpi-Namespace 19KB 23KB [ 59.158245] numa_policy 0KB 3KB [ 59.163660] debug_objects_cache 531KB 535KB [ 59.169237] trace_event_file 145KB 147KB [ 59.174634] ftrace_event_field 257KB 259KB [ 59.180116] pool_workqueue 24KB 28KB [ 59.185513] page->ptl 3104KB 3111KB [ 59.190943] kmalloc-262144 1032KB 1032KB [ 59.196345] kmalloc-131072 650KB 650KB [ 59.201740] kmalloc-65536 264KB 264KB [ 59.207146] kmalloc-32768 825KB 825KB [ 59.212538] kmalloc-16384 181KB 181KB [ 59.217934] kmalloc-8192 519KB 519KB [ 59.223326] kmalloc-4096 6430KB 6451KB [ 59.228718] kmalloc-2048 3240KB 3244KB [ 59.234111] kmalloc-1024 3535KB 3535KB [ 59.239502] kmalloc-512 2798KB 2801KB [ 59.244891] kmalloc-256 1899KB 2396KB [ 59.250283] kmalloc-128 407KB 519KB [ 59.255693] kmalloc-96 2084KB 2084KB [ 59.261102] kmalloc-64 2500KB 2500KB [ 59.266499] kmalloc-32 2403KB 2405KB [ 59.271900] kmalloc-192 924KB 924KB [ 59.277286] kmem_cache 101KB 105KB [ 59.282679] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 59.291309] [ 1827] 0 1827 5385 177 90112 0 -1000 udevd [ 59.299488] [ 3520] 0 3520 14261 175 118784 0 0 rsyslogd [ 59.307926] [ 3575] 0 3575 4725 51 86016 0 0 cron [ 59.316055] [ 3577] 0 3577 3735 44 69632 0 0 mcstransd [ 59.324573] [ 3621] 0 3621 12490 152 131072 0 -1000 sshd [ 59.332669] [ 3645] 0 3645 3694 40 73728 0 0 getty [ 59.340842] [ 3646] 0 3646 3694 40 77824 0 0 getty [ 59.349039] [ 3647] 0 3647 3694 41 77824 0 0 getty [ 59.357217] [ 3648] 0 3648 3694 42 65536 0 0 getty [ 59.365392] [ 3649] 0 3649 3694 40 77824 0 0 getty [ 59.373567] [ 3650] 0 3650 3694 39 73728 0 0 getty [ 59.381745] [ 3651] 0 3651 3649 41 77824 0 0 getty [ 59.389924] [ 3653] 0 3653 5681 456 86016 0 -1000 udevd [ 59.398096] [ 3654] 0 3654 5681 456 86016 0 -1000 udevd [ 59.406274] [ 3673] 0 3673 17821 198 184320 0 0 sshd [ 59.414366] [ 3676] 0 3676 4043 0 32768 0 0 syzkaller705125 [ 59.423433] [ 3678] 0 3678 4043 0 32768 0 0 syzkaller705125 [ 59.432495] [ 3679] 0 3679 4043 0 32768 0 0 syzkaller705125 [ 59.441559] [ 3681] 0 3681 4043 0 32768 0 0 syzkaller705125 Connection to 10.128.0.14 closed by remote host. [ 59.450596] [ 3682] 0 3682 4043 0 32768 0 0 syzkaller7051