[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 13.050968] audit: type=1400 audit(1515728213.423:6): avc: denied { map } for pid=3498 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.17' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 19.262788] audit: type=1400 audit(1515728219.635:7): avc: denied { map } for pid=3514 comm="syzkaller016496" path="/root/syzkaller016496567" 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 [ 19.326795] audit: type=1400 audit(1515728219.635:8): avc: denied { map_create } for pid=3520 comm="syzkaller016496" 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 [ 25.519648] syzkaller016496 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 25.532198] syzkaller016496 cpuset=/ mems_allowed=0 [ 25.537583] CPU: 1 PID: 3515 Comm: syzkaller016496 Not tainted 4.15.0-rc7-next-20180111+ #94 [ 25.546155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.555489] Call Trace: [ 25.558053] dump_stack+0x194/0x257 [ 25.561654] ? arch_local_irq_restore+0x53/0x53 [ 25.566294] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.571463] dump_header+0x28c/0xe2b [ 25.575158] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.580320] ? pagefault_out_of_memory+0x145/0x145 [ 25.585220] ? print_irqtrace_events+0x270/0x270 [ 25.589950] ? avc_has_perm_noaudit+0x37e/0x520 [ 25.594586] ? check_noncircular+0x20/0x20 [ 25.598797] ? reacquire_held_locks+0x1f9/0x3e0 [ 25.603432] ? reacquire_held_locks+0x1f9/0x3e0 [ 25.608073] ? check_noncircular+0x20/0x20 [ 25.612278] ? task_will_free_mem+0x252/0xaa0 [ 25.616744] ? check_noncircular+0x20/0x20 [ 25.620951] ? print_irqtrace_events+0x270/0x270 [ 25.625684] ? ___ratelimit+0x30d/0x630 [ 25.629627] ? lock_downgrade+0x980/0x980 [ 25.633745] ? lock_release+0xa40/0xa40 [ 25.637698] ? mark_held_locks+0xaf/0x100 [ 25.641820] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 25.646894] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.651881] ? trace_hardirqs_on+0xd/0x10 [ 25.656002] ? ___ratelimit+0x95/0x630 [ 25.659867] ? idr_get_free_cmn+0xfd0/0xfd0 [ 25.664157] ? check_noncircular+0x20/0x20 [ 25.668371] oom_kill_process+0x81b/0x9f0 [ 25.672489] ? oom_badness+0xd1/0x980 [ 25.676258] ? lock_release+0xa40/0xa40 [ 25.680206] ? oom_kill_memcg_member+0x20/0x20 [ 25.684768] ? oom_evaluate_task+0x480/0x480 [ 25.689152] ? out_of_memory+0xe1c/0x1790 [ 25.693268] ? lock_downgrade+0x980/0x980 [ 25.697387] ? lock_release+0xa40/0xa40 [ 25.701329] ? find_next_bit+0xcc/0x100 [ 25.705279] ? oom_evaluate_task+0x284/0x480 [ 25.709660] out_of_memory+0x9d5/0x1790 [ 25.713612] ? oom_killer_disable+0x310/0x310 [ 25.718088] ? mutex_trylock+0x23a/0x2d0 [ 25.722116] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 25.727021] ? __lock_is_held+0xb6/0x140 [ 25.731056] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 25.736496] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 25.741332] ? warn_alloc+0x2b0/0x2b0 [ 25.745105] ? lock_release+0xa40/0xa40 [ 25.749051] ? print_irqtrace_events+0x270/0x270 [ 25.753794] ? mutex_spin_on_owner+0x446/0xb50 [ 25.758362] ? __lock_acquire+0x664/0x3e00 [ 25.762569] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 25.768423] ? lock_release+0xa40/0xa40 [ 25.772387] ? __lock_is_held+0xb6/0x140 [ 25.776433] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 25.782292] ? __might_sleep+0x95/0x190 [ 25.786248] __alloc_pages_nodemask+0x9fb/0xd80 [ 25.790886] ? vmap_page+0x1c5/0x2a0 [ 25.794572] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 25.799561] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 25.804463] ? print_irqtrace_events+0x270/0x270 [ 25.809194] ? __lock_is_held+0xb6/0x140 [ 25.813243] ? find_next_bit+0xcc/0x100 [ 25.817193] pcpu_populate_chunk+0x1b3/0x880 [ 25.821570] ? find_next_bit+0x17/0x100 [ 25.825521] pcpu_alloc+0x978/0x10e0 [ 25.829213] ? pcpu_free_area+0xa00/0xa00 [ 25.833334] ? vmap_page_range_noflush+0x155/0x240 [ 25.838234] ? unmap_kernel_range+0x30/0x30 [ 25.842537] ? rcu_note_context_switch+0x710/0x710 [ 25.847435] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 25.853292] ? map_vm_area+0x9e/0xd0 [ 25.856977] ? __vmalloc_node_range+0x37a/0x650 [ 25.861624] ? array_map_alloc+0x351/0xa00 [ 25.865835] ? __vmalloc_node_flags_caller+0x50/0x60 [ 25.870927] __alloc_percpu_gfp+0x27/0x30 [ 25.875052] array_map_alloc+0x778/0xa00 [ 25.879094] SyS_bpf+0x7f8/0x4400 [ 25.882525] ? perf_event_mmap+0x115/0x12a0 [ 25.886830] ? bpf_prog_get+0x20/0x20 [ 25.890605] ? perf_event_fork+0x30/0x30 [ 25.894643] ? __lock_is_held+0xb6/0x140 [ 25.898673] ? check_noncircular+0x20/0x20 [ 25.902878] ? vma_wants_writenotify+0x51/0x3b0 [ 25.907523] ? __handle_mm_fault+0x80e/0x3ce0 [ 25.911991] ? check_noncircular+0x20/0x20 [ 25.916203] ? __pmd_alloc+0x4e0/0x4e0 [ 25.920057] ? vma_link+0xe9/0x170 [ 25.923571] ? find_held_lock+0x35/0x1d0 [ 25.927696] ? handle_mm_fault+0x2a0/0x930 [ 25.931901] ? find_held_lock+0x35/0x1d0 [ 25.935939] ? __do_page_fault+0x5f7/0xc90 [ 25.940143] ? lock_downgrade+0x980/0x980 [ 25.944270] ? handle_mm_fault+0x476/0x930 [ 25.948474] ? down_read_trylock+0xdb/0x170 [ 25.952774] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 25.957323] ? vmacache_find+0x5f/0x280 [ 25.961265] ? vmacache_update+0xfe/0x130 [ 25.965385] ? up_read+0x1a/0x40 [ 25.968720] ? __do_page_fault+0x3d6/0xc90 [ 25.972930] ? mm_fault_error+0x2c0/0x2c0 [ 25.977055] ? do_page_fault+0xee/0x720 [ 25.980998] ? __do_page_fault+0xc90/0xc90 [ 25.985214] ? SyS_mmap_pgoff+0x243/0x5f0 [ 25.989348] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.994083] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 25.998806] RIP: 0033:0x440139 [ 26.001964] RSP: 002b:00007ffcc8a92fb8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 26.009642] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 26.016880] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 26.024117] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 26.031358] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 26.038600] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 26.045984] Mem-Info: [ 26.048571] active_anon:7901 inactive_anon:61 isolated_anon:0 [ 26.048571] active_file:13 inactive_file:12 isolated_file:0 [ 26.048571] unevictable:0 dirty:0 writeback:0 unstable:0 [ 26.048571] slab_reclaimable:7241 slab_unreclaimable:83168 [ 26.048571] mapped:2 shmem:68 pagetables:345 bounce:0 [ 26.048571] free:24196 free_pcp:37 free_cma:0 [ 26.080684] Node 0 active_anon:31604kB inactive_anon:244kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 26.107503] 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 [ 26.133634] lowmem_reserve[]: 0 2870 6381 6381 [ 26.138235] Node 0 DMA32 free:44352kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 26.165586] lowmem_reserve[]: 0 0 3510 3510 [ 26.169923] Node 0 Normal free:36524kB min:37084kB low:46352kB high:55620kB active_anon:31576kB inactive_anon:240kB active_file:32kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3072kB pagetables:1380kB bounce:0kB free_pcp:152kB local_pcp:28kB free_cma:0kB [ 26.198664] lowmem_reserve[]: 0 0 0 0 [ 26.202501] 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 [ 26.216245] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 5*16kB (UM) 4*32kB (UM) 5*64kB (M) 6*128kB (UM) 6*256kB (UM) 3*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44352kB [ 26.231736] Node 0 Normal: 573*4kB (MH) 409*8kB (MEH) 259*16kB (UMH) 132*32kB (UMEH) 69*64kB (M) 24*128kB (UMH) 29*256kB (UM) 15*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36524kB [ 26.247677] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 26.256268] 93 total pagecache pages [ 26.259984] 0 pages in swap cache [ 26.263436] Swap cache stats: add 0, delete 0, find 0/0 [ 26.268798] Free swap = 0kB [ 26.271820] Total swap = 0kB [ 26.274838] 1965979 pages RAM [ 26.277931] 0 pages HighMem/MovableOnly [ 26.281897] 327762 pages reserved [ 26.285402] Unreclaimable slab info: [ 26.289167] Name Used Total [ 26.294804] hashtab_node 118KB 119KB [ 26.300181] ebitmap_node 382KB 385KB [ 26.305560] avtab_node 1012KB 1013KB [ 26.310924] TIPC 1KB 7KB [ 26.316298] SCTPv6 2KB 4KB [ 26.321669] DCCPv6 2KB 7KB [ 26.327028] DCCP 2KB 6KB [ 26.332418] fib6_nodes 0KB 4KB [ 26.337783] ip6_dst_cache 7KB 7KB [ 26.343147] RAWv6 9KB 13KB [ 26.348516] UDPv6 12KB 14KB [ 26.353881] TCPv6 2KB 5KB [ 26.359247] sd_ext_cdb 0KB 3KB [ 26.364633] scsi_sense_cache 71KB 116KB [ 26.370030] virtio_scsi_cmd 16KB 16KB [ 26.375405] sgpool-128 8KB 8KB [ 26.380779] sgpool-64 4KB 6KB [ 26.386161] sgpool-32 55KB 55KB [ 26.391533] sgpool-16 30KB 30KB [ 26.396930] sgpool-8 168KB 168KB [ 26.402305] cfq_io_cq 17KB 19KB [ 26.407673] cfq_queue 24KB 30KB [ 26.413046] mqueue_inode_cache 1KB 7KB [ 26.418508] nfs_commit_data 3KB 7KB [ 26.423879] nfs_write_data 34KB 37KB [ 26.429247] jbd2_inode 1KB 3KB [ 26.434644] ext4_system_zone 0KB 3KB [ 26.440048] bio-1 1KB 3KB [ 26.445427] rpc_buffers 17KB 19KB [ 26.450801] rpc_tasks 2KB 3KB [ 26.456184] UNIX 780KB 784KB [ 26.461652] tcp_bind_bucket 0KB 4KB [ 26.467033] ip_fib_trie 0KB 3KB [ 26.472408] ip_fib_alias 0KB 3KB [ 26.477775] ip_dst_cache 3KB 8KB [ 26.483139] RAW 5KB 7KB [ 26.488516] UDP 29KB 31KB [ 26.493916] request_sock_TCP 0KB 3KB [ 26.499278] TCP 7KB 15KB [ 26.504650] hugetlbfs_inode_cache 1KB 7KB [ 26.510374] eventpoll_pwq 11KB 15KB [ 26.515737] eventpoll_epi 21KB 27KB [ 26.521100] inotify_inode_mark 4KB 7KB [ 26.526566] request_queue 134KB 216KB [ 26.531940] blkdev_ioc 23KB 23KB [ 26.537299] bio-0 251KB 251KB [ 26.542669] biovec-(1<<(21-12)) 371KB 371KB [ 26.548242] biovec-64 94KB 94KB [ 26.553608] biovec-16 10KB 15KB [ 26.558963] bio_integrity_payload 0KB 4KB [ 26.564680] khugepaged_mm_slot 0KB 3KB [ 26.570151] uid_cache 0KB 3KB [ 26.575516] dmaengine-unmap-2 0KB 3KB [ 26.580877] audit_buffer 0KB 3KB [ 26.586248] skbuff_fclone_cache 131KB 135KB [ 26.591787] skbuff_head_cache 1661KB 1661KB [ 26.597148] configfs_dir_cache 0KB 4KB [ 26.602608] file_lock_cache 160KB 162KB [ 26.607977] file_lock_ctx 1KB 3KB [ 26.613338] fsnotify_mark_connector 2KB 3KB [ 26.619233] shmem_inode_cache 1037KB 1038KB [ 26.624610] task_delay_info 306KB 355KB [ 26.629980] sigqueue 346KB 350KB [ 26.635341] kernfs_node_cache 2161KB 2165KB [ 26.640715] mnt_cache 15KB 20KB [ 26.646096] filp 8557KB 8711KB [ 26.651466] names_cache 111426KB 111464KB [ 26.656841] avc_node 38KB 39KB [ 26.662215] selinux_file_security 436KB 453KB [ 26.667926] selinux_inode_security 1938KB 1940KB [ 26.673737] key_jar 3KB 7KB [ 26.679101] nsproxy 0KB 3KB [ 26.684475] vm_area_struct 18059KB 18059KB [ 26.689844] mm_struct 4312KB 4312KB [ 26.695208] fs_cache 411KB 428KB [ 26.700578] files_cache 1516KB 1518KB [ 26.705940] signal_cache 2419KB 2422KB [ 26.711294] sighand_cache 312KB 395KB [ 26.716659] task_struct 10326KB 10326KB [ 26.722209] cred_jar 2277KB 2280KB [ 26.727578] anon_vma_chain 7512KB 7512KB [ 26.732933] anon_vma 204KB 315KB [ 26.738304] pid 213KB 248KB [ 26.743667] Acpi-Operand 116KB 170KB [ 26.749028] Acpi-ParseExt 0KB 7KB [ 26.754404] Acpi-Parse 8KB 15KB [ 26.759779] Acpi-State 10KB 23KB [ 26.765151] Acpi-Namespace 19KB 23KB [ 26.770511] numa_policy 0KB 3KB [ 26.775881] debug_objects_cache 504KB 504KB [ 26.781422] trace_event_file 145KB 147KB [ 26.786797] ftrace_event_field 257KB 259KB [ 26.792264] pool_workqueue 22KB 24KB [ 26.797806] page->ptl 2968KB 2968KB [ 26.803182] kmalloc-262144 1032KB 1032KB [ 26.808558] kmalloc-131072 650KB 650KB [ 26.813926] kmalloc-65536 264KB 264KB [ 26.819287] kmalloc-32768 627KB 627KB [ 26.824658] kmalloc-16384 148KB 148KB [ 26.830038] kmalloc-8192 503KB 503KB [ 26.835418] kmalloc-4096 8024KB 8062KB [ 26.840789] kmalloc-2048 4201KB 4201KB [ 26.846342] kmalloc-1024 2842KB 2842KB [ 26.851716] kmalloc-512 2656KB 2887KB [ 26.857082] kmalloc-256 2051KB 2437KB [ 26.862457] kmalloc-128 418KB 535KB [ 26.867856] kmalloc-96 2040KB 2040KB [ 26.873212] kmalloc-64 2456KB 2456KB [ 26.878583] kmalloc-32 2397KB 2397KB [ 26.884998] kmalloc-192 900KB 900KB [ 26.890387] kmem_cache 100KB 101KB [ 26.895758] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 26.904498] [ 1783] 0 1783 5384 176 86016 0 -1000 udevd [ 26.912773] [ 3207] 0 3207 2493 573 53248 0 0 dhclient [ 26.921193] [ 3359] 0 3359 14298 175 122880 0 0 rsyslogd [ 26.929604] [ 3414] 0 3414 4725 51 86016 0 0 cron [ 26.937684] [ 3432] 0 3432 3737 45 73728 0 0 mcstransd [ 26.946199] [ 3442] 0 3442 12927 1228 126976 0 0 restorecond [ 26.954874] [ 3457] 0 3457 12490 153 135168 0 -1000 sshd [ 26.962933] [ 3484] 0 3484 3694 42 73728 0 0 getty [ 26.971085] [ 3485] 0 3485 3694 40 77824 0 0 getty [ 26.979234] [ 3486] 0 3486 3694 40 77824 0 0 getty [ 26.987384] [ 3487] 0 3487 3694 39 77824 0 0 getty [ 26.995533] [ 3488] 0 3488 3694 40 73728 0 0 getty [ 27.003680] [ 3489] 0 3489 3694 41 73728 0 0 getty [ 27.011848] [ 3490] 0 3490 3649 40 77824 0 0 getty [ 27.019998] [ 3494] 0 3494 5681 454 90112 0 -1000 udevd [ 27.028177] [ 3495] 0 3495 5681 454 90112 0 -1000 udevd [ 27.036348] [ 3512] 0 3512 17821 197 184320 0 0 sshd [ 27.044435] [ 3514] 0 3514 280 1 32768 0 0 syzkaller016496 [ 27.053458] [ 3515] 0 3515 4375 524 36864 0 0 syzkaller016496 [ 27.062484] [ 3516] 0 3516 4375 524 36864 0 0 syzkaller016496 [ 27.071508] [ 3517] 0 3517 4375 524 36864 0 0 syzkaller016496 [ 27.080542] [ 3518] 0 3518 4375 524 36864 0 0 syzkaller016496 [ 27.089586] [ 3519] 0 3519 4375 524 36864 0 0 syzkaller016496 [ 27.098613] [ 3520] 0 3520 4375 524 36864 0 0 syzkaller016496 [ 27.107641] [ 3521] 0 3521 4375 524 36864 0 0 syzkaller016496 [ 27.116668] [ 3522] 0 3522 4375 524 36864 0 0 syzkaller016496 [ 27.125688] Out of memory: Kill process 3442 (restorecond) score 0 or sacrifice child [ 27.134233] Killed process 3442 (restorecond) total-vm:51708kB, anon-rss:4912kB, file-rss:0kB, shmem-rss:0kB [ 27.147999] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 27.159677] udevd cpuset=/ mems_allowed=0 [ 27.164344] CPU: 1 PID: 1783 Comm: udevd Not tainted 4.15.0-rc7-next-20180111+ #94 [ 27.172041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.181392] Call Trace: [ 27.183968] dump_stack+0x194/0x257 [ 27.187575] ? arch_local_irq_restore+0x53/0x53 [ 27.192235] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.198426] dump_header+0x28c/0xe2b [ 27.202146] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.207341] ? pagefault_out_of_memory+0x145/0x145 [ 27.212275] ? print_irqtrace_events+0x270/0x270 [ 27.217035] ? avc_has_perm_noaudit+0x37e/0x520 [ 27.221695] ? check_noncircular+0x20/0x20 [ 27.225934] ? reacquire_held_locks+0x1f9/0x3e0 [ 27.230585] ? reacquire_held_locks+0x1f9/0x3e0 [ 27.235238] ? check_noncircular+0x20/0x20 [ 27.239463] ? task_will_free_mem+0x252/0xaa0 [ 27.243938] ? check_noncircular+0x20/0x20 [ 27.248166] ? print_irqtrace_events+0x270/0x270 [ 27.252916] ? ___ratelimit+0x30d/0x630 [ 27.256880] ? lock_downgrade+0x980/0x980 [ 27.261029] ? lock_release+0xa40/0xa40 [ 27.265009] ? mark_held_locks+0xaf/0x100 [ 27.269151] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 27.274252] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.279262] ? trace_hardirqs_on+0xd/0x10 [ 27.283408] ? ___ratelimit+0x95/0x630 [ 27.287292] ? idr_get_free_cmn+0xfd0/0xfd0 [ 27.291611] ? check_noncircular+0x20/0x20 [ 27.295851] oom_kill_process+0x81b/0x9f0 [ 27.299998] ? oom_badness+0xd1/0x980 [ 27.303782] ? lock_release+0xa40/0xa40 [ 27.307738] ? oom_kill_memcg_member+0x20/0x20 [ 27.312318] ? oom_evaluate_task+0x480/0x480 [ 27.316728] ? out_of_memory+0xe1c/0x1790 [ 27.320863] ? lock_downgrade+0x980/0x980 [ 27.325010] ? lock_release+0xa40/0xa40 [ 27.328964] ? find_next_bit+0xcc/0x100 [ 27.332926] ? oom_evaluate_task+0x284/0x480 [ 27.337316] out_of_memory+0x9d5/0x1790 [ 27.341295] ? oom_killer_disable+0x310/0x310 [ 27.345794] ? mutex_trylock+0x23a/0x2d0 [ 27.349842] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 27.354763] ? __lock_is_held+0xb6/0x140 [ 27.358816] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 27.364286] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 27.369178] ? warn_alloc+0x2b0/0x2b0 [ 27.372981] ? lock_downgrade+0x980/0x980 [ 27.377173] ? radix_tree_lookup_slot+0x99/0xe0 [ 27.381859] ? find_get_entry+0x53c/0x9e0 [ 27.386035] ? __lock_acquire+0x664/0x3e00 [ 27.390291] ? __lock_is_held+0xb6/0x140 [ 27.394369] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 27.400263] ? __might_sleep+0x95/0x190 [ 27.404240] __alloc_pages_nodemask+0x9fb/0xd80 [ 27.408909] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 27.413908] ? add_to_page_cache_lru+0x510/0x510 [ 27.418660] ? check_noncircular+0x20/0x20 [ 27.422894] ? check_noncircular+0x20/0x20 [ 27.427118] ? lock_acquire+0x1d5/0x580 [ 27.431085] ? lock_acquire+0x1d5/0x580 [ 27.435053] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 27.439833] alloc_pages_current+0xb6/0x1e0 [ 27.444157] __page_cache_alloc+0x334/0x500 [ 27.448474] ? rcu_read_lock_held+0xa9/0xc0 [ 27.452910] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 27.460276] filemap_fault+0xf34/0x1ca0 [ 27.464253] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.469474] ? __lock_page_or_retry+0x4f0/0x4f0 [ 27.474140] ? ep_scan_ready_list+0xb73/0xea0 [ 27.478633] ? filemap_map_pages+0x942/0x15d0 [ 27.483121] ? compat_start_thread+0x80/0x80 [ 27.487546] ? _raw_spin_unlock_irq+0x27/0x70 [ 27.492043] ? find_get_entries_tag+0xeb0/0xeb0 [ 27.496717] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 27.501547] ? check_noncircular+0x20/0x20 [ 27.505774] ? wait_for_completion+0x770/0x770 [ 27.510354] ? print_irqtrace_events+0x270/0x270 [ 27.515099] ? print_irqtrace_events+0x270/0x270 [ 27.519848] ? lock_release+0xa40/0xa40 [ 27.523827] ? lock_acquire+0x1d5/0x580 [ 27.527788] ? lock_acquire+0x1d5/0x580 [ 27.531743] ? ext4_filemap_fault+0x7a/0xad [ 27.536052] ? __lock_acquire+0x664/0x3e00 [ 27.540286] ? lock_release+0xa40/0xa40 [ 27.544250] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 27.550136] ? rcu_note_context_switch+0x710/0x710 [ 27.555067] ? __might_sleep+0x95/0x190 [ 27.559049] ? down_read+0x96/0x150 [ 27.562659] ? ext4_filemap_fault+0x7a/0xad [ 27.566972] ? __down_interruptible+0x6b0/0x6b0 [ 27.571631] ? schedule+0xf5/0x430 [ 27.575166] ? __schedule+0x2060/0x2060 [ 27.579136] ext4_filemap_fault+0x82/0xad [ 27.583281] __do_fault+0xeb/0x315 [ 27.586808] ? find_held_lock+0x35/0x1d0 [ 27.590864] ? pte_offset_kernel+0xc7/0xc7 [ 27.595105] ? lock_downgrade+0x980/0x980 [ 27.599244] ? check_noncircular+0x20/0x20 [ 27.603478] __handle_mm_fault+0x1d8f/0x3ce0 [ 27.607884] ? __pmd_alloc+0x4e0/0x4e0 [ 27.611765] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.616783] ? find_held_lock+0x35/0x1d0 [ 27.620849] ? handle_mm_fault+0x2a0/0x930 [ 27.625079] ? lock_downgrade+0x980/0x980 [ 27.629259] handle_mm_fault+0x38f/0x930 [ 27.633313] ? down_read_trylock+0xdb/0x170 [ 27.637630] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 27.642200] ? vmacache_find+0x5f/0x280 [ 27.646162] ? vmacache_update+0xfe/0x130 [ 27.650305] ? find_vma+0x30/0x150 [ 27.653842] __do_page_fault+0x5c9/0xc90 [ 27.657894] ? mm_fault_error+0x2c0/0x2c0 [ 27.662024] ? __lock_is_held+0xb6/0x140 [ 27.666086] do_page_fault+0xee/0x720 [ 27.669869] ? __do_page_fault+0xc90/0xc90 [ 27.674087] ? __sb_end_write+0xa0/0xd0 [ 27.678050] ? vfs_write+0x224/0x510 [ 27.681745] ? wake_up_q+0xe0/0xe0 [ 27.685269] ? SyS_write+0x184/0x220 [ 27.688974] ? entry_SYSCALL_64_fastpath+0x55/0xa0 [ 27.693886] ? page_fault+0x36/0x60 [ 27.697499] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.702337] ? page_fault+0x36/0x60 [ 27.705946] page_fault+0x4c/0x60 [ 27.709377] RIP: 0033:0x7f8d26f3d943 [ 27.713072] RSP: 002b:00007ffe177ffcb8 EFLAGS: 00010246 [ 27.718421] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 00007f8d26f3d943 [ 27.725680] RDX: 0000000000000008 RSI: 00007ffe177ffdb0 RDI: 000000000000000a [ 27.732932] RBP: 000000000249e180 R08: 0000000000000000 R09: 0000000000000000 [ 27.740186] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 27.747452] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000247b030 [ 27.754844] Mem-Info: [ 27.757996] active_anon:6671 inactive_anon:61 isolated_anon:0 [ 27.757996] active_file:13 inactive_file:12 isolated_file:0 [ 27.757996] unevictable:0 dirty:0 writeback:0 unstable:0 [ 27.757996] slab_reclaimable:7241 slab_unreclaimable:83169 [ 27.757996] mapped:2 shmem:68 pagetables:319 bounce:0 [ 27.757996] free:24328 free_pcp:241 free_cma:0 [ 27.790160] Node 0 active_anon:26684kB inactive_anon:244kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 27.817275] 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 [ 27.843437] lowmem_reserve[]: 0 2870 6381 6381 [ 27.848069] Node 0 DMA32 free:44352kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 27.875352] lowmem_reserve[]: 0 0 3510 3510 [ 27.879724] Node 0 Normal free:37052kB min:37084kB low:46352kB high:55620kB active_anon:26656kB inactive_anon:240kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3040kB pagetables:1276kB bounce:0kB free_pcp:964kB local_pcp:124kB free_cma:0kB [ 27.909226] lowmem_reserve[]: 0 0 0 0 [ 27.913088] 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 [ 27.926787] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 5*16kB (UM) 4*32kB (UM) 5*64kB (M) 6*128kB (UM) 6*256kB (UM) 3*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44352kB [ 27.942371] Node 0 Normal: 567*4kB (UMH) 412*8kB (UMEH) 258*16kB (UMH) 167*32kB (UMEH) 72*64kB (M) 28*128kB (MH) 26*256kB (UM) 14*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37052kB [ 27.958466] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 27.967064] 93 total pagecache pages [ 27.970782] 0 pages in swap cache [ 27.974251] Swap cache stats: add 0, delete 0, find 0/0 [ 27.979701] Free swap = 0kB [ 27.982716] Total swap = 0kB [ 27.985722] 1965979 pages RAM [ 27.988815] 0 pages HighMem/MovableOnly [ 27.992789] 327762 pages reserved [ 27.996349] Unreclaimable slab info: [ 28.000159] Name Used Total [ 28.005775] hashtab_node 118KB 119KB [ 28.011155] ebitmap_node 382KB 385KB [ 28.016536] avtab_node 1012KB 1013KB [ 28.021909] TIPC 1KB 7KB [ 28.027293] SCTPv6 2KB 4KB [ 28.032685] DCCPv6 2KB 7KB [ 28.038068] DCCP 2KB 6KB [ 28.044378] fib6_nodes 0KB 4KB [ 28.049770] ip6_dst_cache 7KB 7KB [ 28.055151] RAWv6 9KB 13KB [ 28.060517] UDPv6 12KB 14KB [ 28.065908] TCPv6 2KB 5KB [ 28.071305] sd_ext_cdb 0KB 3KB [ 28.076683] scsi_sense_cache 71KB 116KB [ 28.082062] virtio_scsi_cmd 16KB 16KB [ 28.087428] sgpool-128 8KB 8KB [ 28.092796] sgpool-64 4KB 6KB [ 28.098173] sgpool-32 55KB 55KB [ 28.103557] sgpool-16 30KB 30KB [ 28.108936] sgpool-8 168KB 168KB [ 28.114311] cfq_io_cq 17KB 19KB [ 28.119691] cfq_queue 24KB 30KB [ 28.125072] mqueue_inode_cache 1KB 7KB [ 28.130606] nfs_commit_data 3KB 7KB [ 28.135977] nfs_write_data 34KB 37KB [ 28.141345] jbd2_inode 1KB 3KB [ 28.146718] ext4_system_zone 0KB 3KB [ 28.152108] bio-1 1KB 3KB [ 28.157502] rpc_buffers 17KB 19KB [ 28.162868] rpc_tasks 2KB 3KB [ 28.168248] UNIX 780KB 784KB [ 28.173636] tcp_bind_bucket 0KB 4KB [ 28.179793] ip_fib_trie 0KB 3KB [ 28.185187] ip_fib_alias 0KB 3KB [ 28.190568] ip_dst_cache 3KB 8KB [ 28.195937] RAW 5KB 7KB [ 28.201316] UDP 29KB 31KB [ 28.206701] request_sock_TCP 0KB 3KB [ 28.212084] TCP 7KB 15KB [ 28.217465] hugetlbfs_inode_cache 1KB 7KB [ 28.223202] eventpoll_pwq 11KB 15KB [ 28.228584] eventpoll_epi 21KB 27KB [ 28.233970] inotify_inode_mark 4KB 7KB [ 28.239443] request_queue 134KB 216KB [ 28.244825] blkdev_ioc 23KB 23KB [ 28.250202] bio-0 251KB 251KB [ 28.255573] biovec-(1<<(21-12)) 371KB 371KB [ 28.261120] biovec-64 94KB 94KB [ 28.266498] biovec-16 10KB 15KB [ 28.271877] bio_integrity_payload 0KB 4KB [ 28.277604] khugepaged_mm_slot 0KB 3KB [ 28.283076] uid_cache 0KB 3KB [ 28.288461] dmaengine-unmap-2 0KB 3KB [ 28.293847] audit_buffer 0KB 3KB [ 28.299236] skbuff_fclone_cache 131KB 135KB [ 28.304968] skbuff_head_cache 1661KB 1661KB [ 28.310344] configfs_dir_cache 0KB 4KB [ 28.316596] file_lock_cache 160KB 162KB [ 28.321993] file_lock_ctx 1KB 3KB [ 28.327386] fsnotify_mark_connector 2KB 3KB [ 28.333300] shmem_inode_cache 1037KB 1038KB [ 28.338772] task_delay_info 306KB 355KB [ 28.344249] sigqueue 346KB 350KB [ 28.349633] kernfs_node_cache 2161KB 2165KB [ 28.355041] mnt_cache 15KB 20KB [ 28.360427] filp 8557KB 8711KB [ 28.365828] names_cache 111426KB 111464KB [ 28.371269] avc_node 38KB 39KB [ 28.376658] selinux_file_security 436KB 453KB [ 28.382393] selinux_inode_security 1938KB 1940KB [ 28.388220] key_jar 3KB 7KB [ 28.393609] nsproxy 0KB 3KB [ 28.399003] vm_area_struct 18059KB 18059KB [ 28.404412] mm_struct 4312KB 4312KB [ 28.409798] fs_cache 411KB 428KB [ 28.415185] files_cache 1516KB 1518KB [ 28.420575] signal_cache 2419KB 2422KB [ 28.425962] sighand_cache 312KB 395KB [ 28.431362] task_struct 10326KB 10326KB [ 28.436748] cred_jar 2277KB 2280KB [ 28.442139] anon_vma_chain 7512KB 7512KB [ 28.448301] anon_vma 204KB 315KB [ 28.453696] pid 213KB 248KB [ 28.459083] Acpi-Operand 116KB 170KB [ 28.464473] Acpi-ParseExt 0KB 7KB [ 28.469859] Acpi-Parse 8KB 15KB [ 28.475247] Acpi-State 10KB 23KB [ 28.480635] Acpi-Namespace 19KB 23KB [ 28.486038] numa_policy 0KB 3KB [ 28.491424] debug_objects_cache 504KB 504KB [ 28.497177] trace_event_file 145KB 147KB [ 28.502557] ftrace_event_field 257KB 259KB [ 28.508005] pool_workqueue 22KB 24KB [ 28.513399] page->ptl 2968KB 2968KB [ 28.518785] kmalloc-262144 1032KB 1032KB [ 28.524158] kmalloc-131072 650KB 650KB [ 28.529533] kmalloc-65536 264KB 264KB [ 28.534902] kmalloc-32768 627KB 627KB [ 28.540262] kmalloc-16384 148KB 148KB [ 28.545634] kmalloc-8192 503KB 503KB [ 28.551005] kmalloc-4096 8041KB 8062KB [ 28.556396] kmalloc-2048 4201KB 4201KB [ 28.561779] kmalloc-1024 2842KB 2842KB [ 28.567171] kmalloc-512 2656KB 2887KB [ 28.572551] kmalloc-256 2051KB 2437KB [ 28.578401] kmalloc-128 418KB 535KB [ 28.583789] kmalloc-96 2044KB 2044KB [ 28.589175] kmalloc-64 2460KB 2460KB [ 28.594554] kmalloc-32 2397KB 2397KB [ 28.600065] kmalloc-192 900KB 900KB [ 28.605463] kmem_cache 100KB 101KB [ 28.610849] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 28.619526] [ 1783] 0 1783 5384 176 86016 0 -1000 udevd [ 28.627744] [ 3207] 0 3207 2493 573 53248 0 0 dhclient [ 28.636159] [ 3359] 0 3359 14298 175 122880 0 0 rsyslogd [ 28.644595] [ 3414] 0 3414 4725 51 86016 0 0 cron [ 28.652707] [ 3432] 0 3432 3737 45 73728 0 0 mcstransd [ 28.661218] [ 3457] 0 3457 12490 153 135168 0 -1000 sshd [ 28.669299] [ 3484] 0 3484 3694 42 73728 0 0 getty [ 28.677473] [ 3485] 0 3485 3694 40 77824 0 0 getty [ 28.685650] [ 3486] 0 3486 3694 40 77824 0 0 getty [ 28.693832] [ 3487] 0 3487 3694 39 77824 0 0 getty [ 28.702012] [ 3488] 0 3488 3694 40 73728 0 0 getty [ 28.710225] [ 3489] 0 3489 3694 41 73728 0 0 getty [ 28.718412] [ 3490] 0 3490 3649 40 77824 0 0 getty [ 28.726591] [ 3494] 0 3494 5681 454 90112 0 -1000 udevd [ 28.734758] [ 3495] 0 3495 5681 454 90112 0 -1000 udevd [ 28.742931] [ 3512] 0 3512 17821 197 184320 0 0 sshd [ 28.751053] [ 3514] 0 3514 280 1 32768 0 0 syzkaller016496 [ 28.760099] [ 3515] 0 3515 4375 524 36864 0 0 syzkaller016496 [ 28.769173] [ 3516] 0 3516 4375 524 36864 0 0 syzkaller016496 [ 28.778208] [ 3517] 0 3517 4375 524 36864 0 0 syzkaller016496 [ 28.787231] [ 3518] 0 3518 4375 524 36864 0 0 syzkaller016496 [ 28.796275] [ 3519] 0 3519 4375 524 36864 0 0 syzkaller016496 [ 28.805315] [ 3520] 0 3520 4375 524 36864 0 0 syzkaller016496 [ 28.814348] [ 3521] 0 3521 4375 524 36864 0 0 syzkaller016496 [ 28.823388] [ 3522] 0 3522 4375 524 36864 0 0 syzkaller016496 [ 28.832414] Out of memory: Kill process 3207 (dhclient) score 0 or sacrifice child [ 28.840718] Killed process 3207 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 28.857079] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 28.868720] init cpuset=/ mems_allowed=0 [ 28.872841] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc7-next-20180111+ #94 [ 28.880182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.891088] Call Trace: [ 28.893677] dump_stack+0x194/0x257 [ 28.897281] ? arch_local_irq_restore+0x53/0x53 [ 28.901928] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 28.907101] dump_header+0x28c/0xe2b [ 28.910795] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 28.915973] ? pagefault_out_of_memory+0x145/0x145 [ 28.920880] ? print_irqtrace_events+0x270/0x270 [ 28.925616] ? avc_has_perm_noaudit+0x37e/0x520 [ 28.930259] ? check_noncircular+0x20/0x20 [ 28.934464] ? check_noncircular+0x20/0x20 [ 28.938673] ? print_irqtrace_events+0x270/0x270 [ 28.943403] ? reacquire_held_locks+0x1f9/0x3e0 [ 28.948042] ? reacquire_held_locks+0x1f9/0x3e0 [ 28.952681] ? check_noncircular+0x20/0x20 [ 28.956887] ? task_will_free_mem+0x252/0xaa0 [ 28.961355] ? check_noncircular+0x20/0x20 [ 28.965570] ? print_irqtrace_events+0x270/0x270 [ 28.970306] ? ___ratelimit+0x30d/0x630 [ 28.974249] ? lock_downgrade+0x980/0x980 [ 28.978372] ? lock_release+0xa40/0xa40 [ 28.982324] ? mark_held_locks+0xaf/0x100 [ 28.986444] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 28.991520] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.996517] ? trace_hardirqs_on+0xd/0x10 [ 29.000641] ? ___ratelimit+0x95/0x630 [ 29.004506] ? idr_get_free_cmn+0xfd0/0xfd0 [ 29.008808] ? check_noncircular+0x20/0x20 [ 29.013029] oom_kill_process+0x81b/0x9f0 [ 29.017149] ? oom_badness+0xd1/0x980 [ 29.020918] ? lock_release+0xa40/0xa40 [ 29.024868] ? oom_kill_memcg_member+0x20/0x20 [ 29.029429] ? oom_evaluate_task+0x480/0x480 [ 29.033825] ? out_of_memory+0xe1c/0x1790 [ 29.037946] ? lock_downgrade+0x980/0x980 [ 29.042066] ? lock_release+0xa40/0xa40 [ 29.046029] ? find_next_bit+0xcc/0x100 [ 29.049993] ? oom_evaluate_task+0x284/0x480 [ 29.054387] out_of_memory+0x9d5/0x1790 [ 29.058352] ? oom_killer_disable+0x310/0x310 [ 29.062830] ? mutex_trylock+0x23a/0x2d0 [ 29.066860] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 29.071762] ? __lock_is_held+0xb6/0x140 [ 29.075798] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 29.081231] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 29.086053] ? trace_hardirqs_on+0xd/0x10 [ 29.090195] ? warn_alloc+0x2b0/0x2b0 [ 29.093969] ? lock_downgrade+0x980/0x980 [ 29.098099] ? radix_tree_lookup_slot+0x99/0xe0 [ 29.102756] ? find_get_entry+0x53c/0x9e0 [ 29.106900] ? __lock_acquire+0x664/0x3e00 [ 29.111122] ? __lock_is_held+0xb6/0x140 [ 29.115170] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 29.121040] ? __might_sleep+0x95/0x190 [ 29.124990] __alloc_pages_nodemask+0x9fb/0xd80 [ 29.129645] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 29.134641] ? add_to_page_cache_lru+0x510/0x510 [ 29.139374] ? check_noncircular+0x20/0x20 [ 29.143577] ? check_noncircular+0x20/0x20 [ 29.147793] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 29.152543] alloc_pages_current+0xb6/0x1e0 [ 29.156856] __page_cache_alloc+0x334/0x500 [ 29.161164] ? rcu_read_lock_held+0xa9/0xc0 [ 29.165458] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 29.172800] filemap_fault+0xf34/0x1ca0 [ 29.176758] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.181929] ? __lock_page_or_retry+0x4f0/0x4f0 [ 29.186805] ? filemap_map_pages+0x942/0x15d0 [ 29.191318] ? find_get_entries_tag+0xeb0/0xeb0 [ 29.195979] ? __lock_acquire+0x664/0x3e00 [ 29.200198] ? check_noncircular+0x20/0x20 [ 29.204401] ? print_irqtrace_events+0x270/0x270 [ 29.209130] ? add_wait_queue+0x290/0x290 [ 29.213252] ? print_irqtrace_events+0x270/0x270 [ 29.217978] ? print_irqtrace_events+0x270/0x270 [ 29.222704] ? print_irqtrace_events+0x270/0x270 [ 29.227429] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.232591] ? free_obj_work+0x690/0x690 [ 29.236634] ? cpumask_local_spread+0x260/0x260 [ 29.241290] ? lock_acquire+0x1d5/0x580 [ 29.245237] ? lock_acquire+0x1d5/0x580 [ 29.249182] ? ext4_filemap_fault+0x7a/0xad [ 29.253486] ? __lock_acquire+0x664/0x3e00 [ 29.257696] ? lock_release+0xa40/0xa40 [ 29.261643] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 29.267502] ? rcu_note_context_switch+0x710/0x710 [ 29.272409] ? __might_sleep+0x95/0x190 [ 29.276356] ? down_read+0x96/0x150 [ 29.279951] ? ext4_filemap_fault+0x7a/0xad [ 29.284243] ? __down_interruptible+0x6b0/0x6b0 [ 29.288893] ext4_filemap_fault+0x82/0xad [ 29.293020] __do_fault+0xeb/0x315 [ 29.296535] ? pte_offset_kernel+0xc7/0xc7 [ 29.300744] ? do_raw_spin_trylock+0x190/0x190 [ 29.305312] ? check_noncircular+0x20/0x20 [ 29.309533] __handle_mm_fault+0x1d8f/0x3ce0 [ 29.313919] ? __pmd_alloc+0x4e0/0x4e0 [ 29.317784] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.322774] ? find_held_lock+0x35/0x1d0 [ 29.326814] ? handle_mm_fault+0x2a0/0x930 [ 29.331025] ? lock_downgrade+0x980/0x980 [ 29.335171] handle_mm_fault+0x38f/0x930 [ 29.339212] ? down_read_trylock+0xdb/0x170 [ 29.343506] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 29.348061] ? vmacache_find+0x5f/0x280 [ 29.352018] ? vmacache_update+0xfe/0x130 [ 29.356143] ? find_vma+0x30/0x150 [ 29.359661] __do_page_fault+0x5c9/0xc90 [ 29.364954] ? mm_fault_error+0x2c0/0x2c0 [ 29.369075] ? exit_to_usermode_loop+0x8c/0x2f0 [ 29.373725] do_page_fault+0xee/0x720 [ 29.377499] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 29.383013] ? __do_page_fault+0xc90/0xc90 [ 29.387230] ? syscall_return_slowpath+0x2ad/0x550 [ 29.392130] ? prepare_exit_to_usermode+0x340/0x340 [ 29.397122] ? retint_user+0x18/0x18 [ 29.400809] ? page_fault+0x36/0x60 [ 29.404406] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.409224] ? page_fault+0x36/0x60 [ 29.412823] page_fault+0x4c/0x60 [ 29.416249] RIP: 0033:0x7f4306879410 [ 29.419930] RSP: 002b:00007ffff8e0c708 EFLAGS: 00010202 [ 29.425266] RAX: 0000000000000000 RBX: 00007ffff8e0ce80 RCX: 00007f4306931dd3 [ 29.432505] RDX: 00007ffff8e0c740 RSI: 00007ffff8e0c870 RDI: 0000000000000011 [ 29.439744] RBP: 00007ffff8e0d030 R08: 00007ffff8e0d0b0 R09: 0000000000000001 [ 29.446986] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 29.454226] R13: 00007ffff8e0d410 R14: 0000000000000000 R15: 0000000000000000 [ 29.461619] Mem-Info: [ 29.464843] active_anon:6121 inactive_anon:61 isolated_anon:0 [ 29.464843] active_file:12 inactive_file:13 isolated_file:0 [ 29.464843] unevictable:0 dirty:0 writeback:0 unstable:0 [ 29.464843] slab_reclaimable:7241 slab_unreclaimable:83144 [ 29.464843] mapped:2 shmem:68 pagetables:319 bounce:0 [ 29.464843] free:24278 free_pcp:192 free_cma:0 [ 29.497284] Node 0 active_anon:24484kB inactive_anon:244kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 29.524146] 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 [ 29.551209] lowmem_reserve[]: 0 2870 6381 6381 [ 29.556733] Node 0 DMA32 free:44352kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 29.584060] lowmem_reserve[]: 0 0 3510 3510 [ 29.588671] Node 0 Normal free:36788kB min:37084kB low:46352kB high:55620kB active_anon:24640kB inactive_anon:240kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3040kB pagetables:1276kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 29.617329] lowmem_reserve[]: 0 0 0 0 [ 29.621167] 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 [ 29.634811] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 5*16kB (UM) 4*32kB (UM) 5*64kB (M) 6*128kB (UM) 6*256kB (UM) 3*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44352kB [ 29.650330] Node 0 Normal: 521*4kB (UMEH) 377*8kB (UMH) 264*16kB (UMEH) 172*32kB (MEH) 79*64kB (ME) 35*128kB (UMH) 22*256kB (M) 12*512kB (UM) 1*1024kB (M) 0*2048kB 0*4096kB = 37164kB [ 29.666863] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 29.675467] 93 total pagecache pages [ 29.679207] 0 pages in swap cache [ 29.682670] Swap cache stats: add 0, delete 0, find 0/0 [ 29.688044] Free swap = 0kB [ 29.691069] Total swap = 0kB [ 29.694094] 1965979 pages RAM [ 29.697203] 0 pages HighMem/MovableOnly [ 29.701181] 327762 pages reserved [ 29.704631] Unreclaimable slab info: [ 29.708348] Name Used Total [ 29.713885] hashtab_node 118KB 119KB [ 29.719257] ebitmap_node 382KB 385KB [ 29.724642] avtab_node 1012KB 1013KB [ 29.730104] TIPC 1KB 7KB [ 29.735485] SCTPv6 2KB 4KB [ 29.740860] DCCPv6 2KB 7KB [ 29.746239] DCCP 2KB 6KB [ 29.751604] fib6_nodes 0KB 4KB [ 29.756953] ip6_dst_cache 6KB 7KB [ 29.762302] RAWv6 9KB 13KB [ 29.767648] UDPv6 12KB 14KB [ 29.773024] TCPv6 2KB 5KB [ 29.778388] sd_ext_cdb 0KB 3KB [ 29.783745] scsi_sense_cache 68KB 116KB [ 29.789098] virtio_scsi_cmd 16KB 16KB [ 29.794459] sgpool-128 8KB 8KB [ 29.799808] sgpool-64 4KB 6KB [ 29.805160] sgpool-32 49KB 55KB [ 29.810516] sgpool-16 28KB 30KB [ 29.815865] sgpool-8 168KB 168KB [ 29.821218] cfq_io_cq 18KB 19KB [ 29.826599] cfq_queue 29KB 30KB [ 29.831968] mqueue_inode_cache 1KB 7KB [ 29.837436] nfs_commit_data 3KB 7KB [ 29.842823] nfs_write_data 34KB 37KB [ 29.848195] jbd2_inode 1KB 3KB [ 29.853581] ext4_system_zone 0KB 3KB [ 29.858978] bio-1 1KB 3KB [ 29.864376] rpc_buffers 17KB 19KB [ 29.869988] rpc_tasks 2KB 3KB [ 29.875397] UNIX 780KB 784KB [ 29.880791] tcp_bind_bucket 0KB 4KB [ 29.886366] ip_fib_trie 0KB 3KB [ 29.891773] ip_fib_alias 0KB 3KB [ 29.897166] ip_dst_cache 3KB 8KB [ 29.903038] RAW 5KB 7KB [ 29.908429] UDP 29KB 31KB [ 29.913826] TCP 7KB 15KB [ 29.920760] hugetlbfs_inode_cache 1KB 7KB [ 29.926546] eventpoll_pwq 11KB 15KB [ 29.931958] eventpoll_epi 21KB 27KB [ 29.937354] inotify_inode_mark 3KB 7KB [ 29.942895] request_queue 76KB 159KB [ 29.948295] blkdev_ioc 25KB 27KB [ 29.953701] bio-0 249KB 251KB [ 29.959092] biovec-(1<<(21-12)) 371KB 371KB [ 29.964657] biovec-64 94KB 94KB [ 29.970047] biovec-16 10KB 15KB [ 29.975441] bio_integrity_payload 0KB 4KB [ 29.981202] khugepaged_mm_slot 0KB 3KB [ 29.986686] uid_cache 0KB 3KB [ 29.992073] dmaengine-unmap-2 0KB 3KB [ 29.997467] audit_buffer 0KB 3KB [ 30.002860] skbuff_fclone_cache 130KB 135KB [ 30.008440] skbuff_head_cache 1661KB 1661KB [ 30.013824] configfs_dir_cache 0KB 4KB [ 30.019299] file_lock_cache 160KB 162KB [ 30.024696] file_lock_ctx 1KB 3KB [ 30.030088] fsnotify_mark_connector 2KB 3KB [ 30.036004] shmem_inode_cache 1037KB 1038KB [ 30.041418] task_delay_info 304KB 355KB [ 30.046818] sigqueue 350KB 350KB [ 30.052246] kernfs_node_cache 2161KB 2165KB [ 30.057658] mnt_cache 15KB 20KB [ 30.063064] filp 8520KB 8688KB [ 30.068457] names_cache 111426KB 111456KB [ 30.073882] avc_node 37KB 39KB [ 30.079272] selinux_file_security 432KB 453KB [ 30.085034] selinux_inode_security 1937KB 1940KB [ 30.090855] key_jar 3KB 7KB [ 30.096246] nsproxy 0KB 3KB [ 30.101637] vm_area_struct 18055KB 18059KB [ 30.107039] mm_struct 4309KB 4312KB [ 30.112434] fs_cache 404KB 428KB [ 30.117821] files_cache 1516KB 1518KB [ 30.123212] signal_cache 2417KB 2422KB [ 30.128611] sighand_cache 261KB 360KB [ 30.134005] task_struct 10326KB 10326KB [ 30.139445] cred_jar 2276KB 2280KB [ 30.144834] anon_vma_chain 7510KB 7512KB [ 30.150222] anon_vma 171KB 311KB [ 30.155618] pid 212KB 248KB [ 30.161038] Acpi-Operand 106KB 170KB [ 30.166426] Acpi-ParseExt 0KB 3KB [ 30.171817] Acpi-Parse 0KB 7KB [ 30.177207] Acpi-State 0KB 11KB [ 30.182598] Acpi-Namespace 19KB 23KB [ 30.187986] numa_policy 0KB 3KB [ 30.193375] debug_objects_cache 504KB 504KB [ 30.198940] trace_event_file 145KB 147KB [ 30.204339] ftrace_event_field 257KB 259KB [ 30.209819] pool_workqueue 22KB 24KB [ 30.215210] page->ptl 2966KB 2968KB [ 30.220633] kmalloc-262144 1032KB 1032KB [ 30.226283] kmalloc-131072 650KB 650KB [ 30.231696] kmalloc-65536 264KB 264KB [ 30.237085] kmalloc-32768 627KB 627KB [ 30.242460] kmalloc-16384 148KB 148KB [ 30.247824] kmalloc-8192 503KB 503KB [ 30.253190] kmalloc-4096 8032KB 8062KB [ 30.258565] kmalloc-2048 4201KB 4201KB [ 30.263944] kmalloc-1024 2841KB 2842KB [ 30.269328] kmalloc-512 2655KB 2887KB [ 30.274697] kmalloc-256 2031KB 2426KB [ 30.280071] kmalloc-128 399KB 535KB [ 30.285441] kmalloc-96 2044KB 2044KB [ 30.290837] kmalloc-64 2460KB 2460KB [ 30.296206] kmalloc-32 2397KB 2397KB [ 30.301588] kmalloc-192 904KB 904KB [ 30.306955] kmem_cache 100KB 101KB [ 30.312319] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 30.320934] [ 1783] 0 1783 5384 175 86016 0 -1000 udevd [ 30.329109] [ 3359] 0 3359 14298 174 122880 0 0 rsyslogd [ 30.337566] [ 3414] 0 3414 4725 51 86016 0 0 cron [ 30.345657] [ 3432] 0 3432 3737 45 73728 0 0 mcstransd [ 30.354175] [ 3457] 0 3457 12490 153 135168 0 -1000 sshd [ 30.362243] [ 3484] 0 3484 3694 42 73728 0 0 getty [ 30.370400] [ 3485] 0 3485 3694 40 77824 0 0 getty [ 30.378563] [ 3486] 0 3486 3694 40 77824 0 0 getty [ 30.386737] [ 3487] 0 3487 3694 39 77824 0 0 getty [ 30.394900] [ 3488] 0 3488 3694 40 73728 0 0 getty [ 30.403077] [ 3489] 0 3489 3694 41 73728 0 0 getty [ 30.411251] [ 3490] 0 3490 3649 40 77824 0 0 getty [ 30.419412] [ 3494] 0 3494 5681 454 90112 0 -1000 udevd [ 30.427688] [ 3495] 0 3495 5681 454 90112 0 -1000 udevd [ 30.435848] [ 3512] 0 3512 17821 197 184320 0 0 sshd [ 30.443923] [ 3514] 0 3514 280 1 32768 0 0 syzkaller016496 [ 30.452951] [ 3515] 0 3515 4375 524 36864 0 0 syzkaller016496 [ 30.461986] [ 3516] 0 3516 4375 524 36864 0 0 syzkaller016496 [ 30.471056] [ 3517] 0 3517 4375 524 36864 0 0 syzkaller016496 [ 30.480100] [ 3518] 0 3518 4375 524 36864 0 0 syzkaller016496 [ 30.489147] [ 3519] 0 3519 4375 524 36864 0 0 syzkaller016496 [ 30.498177] [ 3520] 0 3520 4375 524 36864 0 0 syzkaller016496 [ 30.507210] [ 3521] 0 3521 4375 524 36864 0 0 syzkaller016496 [ 30.516258] [ 3522] 0 3522 4375 524 36864 0 0 syzkaller016496 [ 30.525282] Out of memory: Kill process 3515 (syzkaller016496) score 0 or sacrifice child [ 30.533637] Killed process 3515 (syzkaller016496) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 30.546916] oom_reaper: reaped process 3515 (syzkaller016496), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 30.557977] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 30.569048] init cpuset=/ mems_allowed=0 [ 30.573162] CPU: 1 PID: 1 Comm: init Not tainted 4.15.0-rc7-next-20180111+ #94 [ 30.580510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.589850] Call Trace: [ 30.592437] dump_stack+0x194/0x257 [ 30.596074] ? arch_local_irq_restore+0x53/0x53 [ 30.600741] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.605925] dump_header+0x28c/0xe2b [ 30.609635] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.614817] ? pagefault_out_of_memory+0x145/0x145 [ 30.619736] ? print_irqtrace_events+0x270/0x270 [ 30.624489] ? avc_has_perm_noaudit+0x37e/0x520 [ 30.629154] ? check_noncircular+0x20/0x20 [ 30.633383] ? check_noncircular+0x20/0x20 [ 30.637605] ? print_irqtrace_events+0x270/0x270 [ 30.642351] ? reacquire_held_locks+0x1f9/0x3e0 [ 30.647015] ? reacquire_held_locks+0x1f9/0x3e0 [ 30.651674] ? check_noncircular+0x20/0x20 [ 30.655886] ? task_will_free_mem+0x252/0xaa0 [ 30.660362] ? check_noncircular+0x20/0x20 [ 30.664594] ? print_irqtrace_events+0x270/0x270 [ 30.669354] ? ___ratelimit+0x30d/0x630 [ 30.673323] ? lock_downgrade+0x980/0x980 [ 30.677468] ? lock_release+0xa40/0xa40 [ 30.681441] ? mark_held_locks+0xaf/0x100 [ 30.685582] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 30.690680] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.695681] ? trace_hardirqs_on+0xd/0x10 [ 30.699804] ? ___ratelimit+0x95/0x630 [ 30.703662] ? idr_get_free_cmn+0xfd0/0xfd0 [ 30.707951] ? check_noncircular+0x20/0x20 [ 30.712162] oom_kill_process+0x81b/0x9f0 [ 30.716278] ? oom_badness+0xd1/0x980 [ 30.720043] ? lock_release+0xa40/0xa40 [ 30.723987] ? oom_kill_memcg_member+0x20/0x20 [ 30.728573] ? oom_evaluate_task+0x480/0x480 [ 30.732958] ? out_of_memory+0xe1c/0x1790 [ 30.737077] ? lock_downgrade+0x980/0x980 [ 30.741216] ? lock_release+0xa40/0xa40 [ 30.745160] ? find_next_bit+0xcc/0x100 [ 30.749121] ? oom_evaluate_task+0x284/0x480 [ 30.753598] out_of_memory+0x9d5/0x1790 [ 30.757553] ? oom_killer_disable+0x310/0x310 [ 30.762041] ? mutex_trylock+0x23a/0x2d0 [ 30.766074] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 30.770982] ? __lock_is_held+0xb6/0x140 [ 30.775027] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 30.780459] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 30.785277] ? trace_hardirqs_on+0xd/0x10 [ 30.789409] ? warn_alloc+0x2b0/0x2b0 [ 30.793180] ? lock_downgrade+0x980/0x980 [ 30.797310] ? radix_tree_lookup_slot+0x99/0xe0 [ 30.801963] ? find_get_entry+0x53c/0x9e0 [ 30.806103] ? __lock_acquire+0x664/0x3e00 [ 30.810318] ? __lock_is_held+0xb6/0x140 [ 30.814361] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 30.820222] ? __might_sleep+0x95/0x190 [ 30.824168] __alloc_pages_nodemask+0x9fb/0xd80 [ 30.828822] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 30.833814] ? add_to_page_cache_lru+0x510/0x510 [ 30.838545] ? check_noncircular+0x20/0x20 [ 30.842746] ? check_noncircular+0x20/0x20 [ 30.846958] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 30.851703] alloc_pages_current+0xb6/0x1e0 [ 30.855999] __page_cache_alloc+0x334/0x500 [ 30.860297] ? rcu_read_lock_held+0xa9/0xc0 [ 30.864589] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 30.871935] filemap_fault+0xf34/0x1ca0 [ 30.875880] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.881048] ? __lock_page_or_retry+0x4f0/0x4f0 [ 30.885706] ? filemap_map_pages+0x942/0x15d0 [ 30.890208] ? find_get_entries_tag+0xeb0/0xeb0 [ 30.894863] ? __lock_acquire+0x664/0x3e00 [ 30.899069] ? check_noncircular+0x20/0x20 [ 30.903270] ? print_irqtrace_events+0x270/0x270 [ 30.907999] ? add_wait_queue+0x290/0x290 [ 30.912126] ? print_irqtrace_events+0x270/0x270 [ 30.916846] ? print_irqtrace_events+0x270/0x270 [ 30.921567] ? print_irqtrace_events+0x270/0x270 [ 30.926290] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.931451] ? free_obj_work+0x690/0x690 [ 30.935488] ? cpumask_local_spread+0x260/0x260 [ 30.940130] ? lock_acquire+0x1d5/0x580 [ 30.944070] ? lock_acquire+0x1d5/0x580 [ 30.948019] ? ext4_filemap_fault+0x7a/0xad [ 30.952312] ? __lock_acquire+0x664/0x3e00 [ 30.956526] ? lock_release+0xa40/0xa40 [ 30.960472] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 30.966330] ? rcu_note_context_switch+0x710/0x710 [ 30.971243] ? __might_sleep+0x95/0x190 [ 30.975190] ? down_read+0x96/0x150 [ 30.978783] ? ext4_filemap_fault+0x7a/0xad [ 30.983075] ? __down_interruptible+0x6b0/0x6b0 [ 30.987743] ext4_filemap_fault+0x82/0xad [ 30.991861] __do_fault+0xeb/0x315 [ 30.995375] ? pte_offset_kernel+0xc7/0xc7 [ 30.999581] ? do_raw_spin_trylock+0x190/0x190 [ 31.004144] ? check_noncircular+0x20/0x20 [ 31.008352] __handle_mm_fault+0x1d8f/0x3ce0 [ 31.012733] ? __pmd_alloc+0x4e0/0x4e0 [ 31.016590] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.021579] ? find_held_lock+0x35/0x1d0 [ 31.025616] ? handle_mm_fault+0x2a0/0x930 [ 31.029821] ? lock_downgrade+0x980/0x980 [ 31.033975] handle_mm_fault+0x38f/0x930 [ 31.038005] ? down_read_trylock+0xdb/0x170 [ 31.042304] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 31.046851] ? vmacache_find+0x5f/0x280 [ 31.050801] ? vmacache_update+0xfe/0x130 [ 31.054929] ? find_vma+0x30/0x150 [ 31.058443] __do_page_fault+0x5c9/0xc90 [ 31.062479] ? mm_fault_error+0x2c0/0x2c0 [ 31.066594] ? exit_to_usermode_loop+0x8c/0x2f0 [ 31.071249] do_page_fault+0xee/0x720 [ 31.075023] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 31.080534] ? __do_page_fault+0xc90/0xc90 [ 31.084755] ? syscall_return_slowpath+0x2ad/0x550 [ 31.089663] ? prepare_exit_to_usermode+0x340/0x340 [ 31.094648] ? retint_user+0x18/0x18 [ 31.098330] ? page_fault+0x36/0x60 [ 31.101935] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.106758] ? page_fault+0x36/0x60 [ 31.110353] page_fault+0x4c/0x60 [ 31.113772] RIP: 0033:0x7f4306879410 [ 31.117451] RSP: 002b:00007ffff8e0c708 EFLAGS: 00010202 [ 31.122783] RAX: 0000000000000000 RBX: 00007ffff8e0ce80 RCX: 00007f4306931dd3 [ 31.130024] RDX: 00007ffff8e0c740 RSI: 00007ffff8e0c870 RDI: 0000000000000011 [ 31.137262] RBP: 00007ffff8e0d030 R08: 00007ffff8e0d0b0 R09: 0000000000000001 [ 31.144500] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 31.151738] R13: 00007ffff8e0d410 R14: 0000000000000000 R15: 0000000000000000 [ 31.159106] Mem-Info: [ 31.162679] active_anon:5581 inactive_anon:61 isolated_anon:0 [ 31.162679] active_file:13 inactive_file:12 isolated_file:0 [ 31.162679] unevictable:0 dirty:0 writeback:0 unstable:0 [ 31.162679] slab_reclaimable:7242 slab_unreclaimable:83120 [ 31.162679] mapped:2 shmem:68 pagetables:311 bounce:0 [ 31.162679] free:23882 free_pcp:5 free_cma:0 [ 31.195375] Node 0 active_anon:22324kB inactive_anon:244kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 31.222306] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 31.248455] lowmem_reserve[]: 0 2870 6381 6381 [ 31.253070] Node 0 DMA32 free:44352kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 31.280349] lowmem_reserve[]: 0 0 3510 3510 [ 31.284705] Node 0 Normal free:35268kB min:37084kB low:46352kB high:55620kB active_anon:22296kB inactive_anon:240kB active_file:52kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3008kB pagetables:1244kB bounce:0kB free_pcp:20kB local_pcp:4kB free_cma:0kB [ 31.313719] lowmem_reserve[]: 0 0 0 0 [ 31.317581] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 31.331250] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 5*16kB (UM) 4*32kB (UM) 5*64kB (M) 6*128kB (UM) 6*256kB (UM) 3*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44352kB [ 31.346762] Node 0 Normal: 519*4kB (UMEH) 367*8kB (UMH) 261*16kB (UMEH) 167*32kB (UMEH) 76*64kB (UME) 32*128kB (MH) 22*256kB (M) 12*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 35268kB [ 31.362971] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 31.371564] 93 total pagecache pages [ 31.375305] 0 pages in swap cache [ 31.378760] Swap cache stats: add 0, delete 0, find 0/0 [ 31.384115] Free swap = 0kB [ 31.387135] Total swap = 0kB [ 31.390148] 1965979 pages RAM [ 31.393252] 0 pages HighMem/MovableOnly [ 31.397218] 327762 pages reserved [ 31.400673] Unreclaimable slab info: [ 31.404380] Name Used Total [ 31.409926] hashtab_node 118KB 119KB [ 31.415290] ebitmap_node 382KB 385KB [ 31.420665] avtab_node 1012KB 1013KB [ 31.426042] TIPC 1KB 7KB [ 31.431432] SCTPv6 2KB 4KB [ 31.436801] DCCPv6 2KB 7KB [ 31.442939] DCCP 2KB 6KB [ 31.448347] fib6_nodes 0KB 4KB [ 31.453727] ip6_dst_cache 5KB 7KB [ 31.459107] RAWv6 9KB 13KB [ 31.464488] UDPv6 12KB 14KB [ 31.469871] TCPv6 2KB 5KB [ 31.475262] sd_ext_cdb 0KB 3KB [ 31.480637] scsi_sense_cache 64KB 112KB [ 31.486038] virtio_scsi_cmd 16KB 16KB [ 31.491398] sgpool-128 8KB 8KB [ 31.496765] sgpool-64 4KB 6KB [ 31.502127] sgpool-32 47KB 55KB [ 31.507527] sgpool-16 26KB 30KB [ 31.512889] sgpool-8 168KB 168KB [ 31.518264] cfq_io_cq 17KB 19KB [ 31.523703] cfq_queue 29KB 30KB [ 31.529088] mqueue_inode_cache 1KB 7KB [ 31.534553] nfs_commit_data 3KB 7KB [ 31.539931] nfs_write_data 34KB 37KB [ 31.545296] jbd2_inode 1KB 3KB [ 31.550665] ext4_system_zone 0KB 3KB [ 31.556049] bio-1 1KB 3KB [ 31.561431] rpc_buffers 17KB 19KB [ 31.566809] rpc_tasks 2KB 3KB [ 31.572218] UNIX 780KB 784KB [ 31.578379] tcp_bind_bucket 0KB 4KB [ 31.583769] ip_fib_trie 0KB 3KB [ 31.589144] ip_fib_alias 0KB 3KB [ 31.594520] ip_dst_cache 3KB 8KB [ 31.599891] RAW 5KB 7KB [ 31.605268] UDP 29KB 31KB [ 31.610646] TCP 7KB 15KB [ 31.616037] hugetlbfs_inode_cache 1KB 7KB [ 31.621761] eventpoll_pwq 11KB 15KB [ 31.627139] eventpoll_epi 21KB 27KB [ 31.632516] inotify_inode_mark 3KB 7KB [ 31.637985] request_queue 76KB 159KB [ 31.643365] blkdev_ioc 25KB 27KB [ 31.648739] bio-0 251KB 251KB [ 31.654112] biovec-(1<<(21-12)) 371KB 371KB [ 31.659661] biovec-64 94KB 94KB [ 31.665036] biovec-16 10KB 15KB [ 31.670410] bio_integrity_payload 0KB 4KB [ 31.676136] khugepaged_mm_slot 0KB 3KB [ 31.681605] uid_cache 0KB 3KB [ 31.686983] dmaengine-unmap-2 0KB 3KB [ 31.692360] audit_buffer 0KB 3KB [ 31.697736] skbuff_fclone_cache 130KB 135KB [ 31.703287] skbuff_head_cache 1661KB 1661KB [ 31.708664] configfs_dir_cache 0KB 4KB [ 31.714710] file_lock_cache 160KB 162KB [ 31.720091] file_lock_ctx 1KB 3KB [ 31.725485] fsnotify_mark_connector 2KB 3KB [ 31.731386] shmem_inode_cache 1037KB 1038KB [ 31.736763] task_delay_info 303KB 355KB [ 31.742143] sigqueue 350KB 350KB [ 31.747610] kernfs_node_cache 2161KB 2165KB [ 31.752988] mnt_cache 15KB 20KB [ 31.758370] filp 8512KB 8681KB [ 31.763748] names_cache 111418KB 111456KB [ 31.769148] avc_node 37KB 39KB [ 31.774526] selinux_file_security 430KB 453KB [ 31.780253] selinux_inode_security 1936KB 1940KB [ 31.786063] key_jar 3KB 7KB [ 31.791440] nsproxy 0KB 3KB [ 31.796814] vm_area_struct 18052KB 18059KB [ 31.802192] mm_struct 4307KB 4312KB [ 31.807564] fs_cache 404KB 428KB [ 31.812939] files_cache 1515KB 1518KB [ 31.818311] signal_cache 2417KB 2422KB [ 31.823683] sighand_cache 261KB 360KB [ 31.829054] task_struct 10320KB 10326KB [ 31.834429] cred_jar 2276KB 2280KB [ 31.839802] anon_vma_chain 7508KB 7512KB [ 31.845172] anon_vma 160KB 308KB [ 31.851038] pid 211KB 248KB [ 31.856405] Acpi-Operand 106KB 170KB [ 31.861778] Acpi-ParseExt 0KB 3KB [ 31.867155] Acpi-Parse 0KB 7KB [ 31.872535] Acpi-State 0KB 11KB [ 31.877913] Acpi-Namespace 19KB 23KB [ 31.883290] numa_policy 0KB 3KB [ 31.888690] debug_objects_cache 504KB 504KB [ 31.894250] trace_event_file 145KB 147KB [ 31.899650] ftrace_event_field 257KB 259KB [ 31.905115] pool_workqueue 22KB 24KB [ 31.910495] page->ptl 2964KB 2968KB [ 31.915900] kmalloc-262144 1032KB 1032KB [ 31.921279] kmalloc-131072 650KB 650KB [ 31.926652] kmalloc-65536 264KB 264KB [ 31.932042] kmalloc-32768 627KB 627KB [ 31.937412] kmalloc-16384 148KB 148KB [ 31.942787] kmalloc-8192 503KB 503KB [ 31.948162] kmalloc-4096 8024KB 8062KB [ 31.953537] kmalloc-2048 4201KB 4201KB [ 31.958916] kmalloc-1024 2836KB 2842KB [ 31.964321] kmalloc-512 2655KB 2887KB [ 31.970639] kmalloc-256 2024KB 2418KB [ 31.976817] kmalloc-128 399KB 535KB [ 31.982796] kmalloc-96 2044KB 2044KB [ 31.989333] kmalloc-64 2460KB 2460KB [ 31.994731] kmalloc-32 2397KB 2397KB [ 32.000112] kmalloc-192 904KB 904KB [ 32.005489] kmem_cache 100KB 101KB [ 32.010858] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 32.019479] [ 1783] 0 1783 5384 175 86016 0 -1000 udevd [ 32.027644] [ 3359] 0 3359 14298 174 122880 0 0 rsyslogd [ 32.036077] [ 3414] 0 3414 4725 51 86016 0 0 cron [ 32.044157] [ 3432] 0 3432 3737 45 73728 0 0 mcstransd [ 32.052670] [ 3457] 0 3457 12490 153 135168 0 -1000 sshd [ 32.060741] [ 3484] 0 3484 3694 42 73728 0 0 getty [ 32.068906] [ 3485] 0 3485 3694 40 77824 0 0 getty [ 32.077069] [ 3486] 0 3486 3694 40 77824 0 0 getty [ 32.085217] [ 3487] 0 3487 3694 39 77824 0 0 getty [ 32.093377] [ 3488] 0 3488 3694 40 73728 0 0 getty [ 32.101526] [ 3489] 0 3489 3694 41 73728 0 0 getty [ 32.109684] [ 3490] 0 3490 3649 40 77824 0 0 getty [ 32.117830] [ 3494] 0 3494 5681 454 90112 0 -1000 udevd [ 32.126040] [ 3495] 0 3495 5681 454 90112 0 -1000 udevd [ 32.134211] [ 3512] 0 3512 17821 197 184320 0 0 sshd [ 32.142289] [ 3514] 0 3514 280 1 32768 0 0 syzkaller016496 [ 32.151325] [ 3515] 0 3515 4375 0 32768 0 0 syzkaller016496 [ 32.160363] [ 3516] 0 3516 4375 524 36864 0 0 syzkaller016496 [ 32.169403] [ 3517] 0 3517 4375 524 36864 0 0 syzkaller016496 [ 32.178433] [ 3518] 0 3518 4375 524 36864 0 0 syzkaller016496 [ 32.187459] [ 3519] 0 3519 4375 524 36864 0 0 syzkaller016496 [ 32.196499] [ 3520] 0 3520 4375 524 36864 0 0 syzkaller016496 [ 32.205536] [ 3521] 0 3521 4375 524 36864 0 0 syzkaller016496 [ 32.214572] [ 3522] 0 3522 4375 524 36864 0 0 syzkaller016496 [ 32.223596] Out of memory: Kill process 3516 (syzkaller016496) score 0 or sacrifice child [ 32.232720] Killed process 3516 (syzkaller016496) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 32.245766] oom_reaper: reaped process 3516 (syzkaller016496), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 32.258609] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 32.270037] rsyslogd cpuset=/ mems_allowed=0 [ 32.274478] CPU: 0 PID: 3363 Comm: rsyslogd Not tainted 4.15.0-rc7-next-20180111+ #94 [ 32.282437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.291777] Call Trace: [ 32.294356] dump_stack+0x194/0x257 [ 32.297983] ? arch_local_irq_restore+0x53/0x53 [ 32.302644] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.307835] dump_header+0x28c/0xe2b [ 32.311550] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.316734] ? pagefault_out_of_memory+0x145/0x145 [ 32.321664] ? print_irqtrace_events+0x270/0x270 [ 32.326421] ? avc_has_perm_noaudit+0x37e/0x520 [ 32.331081] ? check_noncircular+0x20/0x20 [ 32.335302] ? check_noncircular+0x20/0x20 [ 32.339524] ? print_irqtrace_events+0x270/0x270 [ 32.344262] ? reacquire_held_locks+0x1f9/0x3e0 [ 32.348900] ? reacquire_held_locks+0x1f9/0x3e0 [ 32.353551] ? check_noncircular+0x20/0x20 [ 32.357771] ? task_will_free_mem+0x252/0xaa0 [ 32.362252] ? check_noncircular+0x20/0x20 [ 32.366481] ? print_irqtrace_events+0x270/0x270 [ 32.371234] ? ___ratelimit+0x30d/0x630 [ 32.375200] ? lock_downgrade+0x980/0x980 [ 32.379341] ? lock_release+0xa40/0xa40 [ 32.383323] ? mark_held_locks+0xaf/0x100 [ 32.387463] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 32.392547] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.397542] ? trace_hardirqs_on+0xd/0x10 [ 32.401678] ? ___ratelimit+0x95/0x630 [ 32.405554] ? idr_get_free_cmn+0xfd0/0xfd0 [ 32.409860] ? check_noncircular+0x20/0x20 [ 32.414092] oom_kill_process+0x81b/0x9f0 [ 32.418225] ? oom_badness+0xd1/0x980 [ 32.422007] ? lock_release+0xa40/0xa40 [ 32.425976] ? oom_kill_memcg_member+0x20/0x20 [ 32.430555] ? oom_evaluate_task+0x480/0x480 [ 32.434960] ? out_of_memory+0xe1c/0x1790 [ 32.439096] ? lock_downgrade+0x980/0x980 [ 32.443233] ? lock_release+0xa40/0xa40 [ 32.447190] ? find_next_bit+0xcc/0x100 [ 32.451164] ? oom_evaluate_task+0x284/0x480 [ 32.455567] out_of_memory+0x9d5/0x1790 [ 32.459540] ? oom_killer_disable+0x310/0x310 [ 32.464031] ? mutex_trylock+0x23a/0x2d0 [ 32.468075] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 32.473036] ? __lock_is_held+0xb6/0x140 [ 32.477094] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 32.482549] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 32.487395] ? trace_hardirqs_on+0xd/0x10 [ 32.491559] ? warn_alloc+0x2b0/0x2b0 [ 32.495355] ? lock_downgrade+0x980/0x980 [ 32.499507] ? radix_tree_lookup_slot+0x99/0xe0 [ 32.504184] ? find_get_entry+0x53c/0x9e0 [ 32.508358] ? __lock_acquire+0x664/0x3e00 [ 32.512602] ? __lock_is_held+0xb6/0x140 [ 32.516673] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 32.522561] ? __might_sleep+0x95/0x190 [ 32.526532] __alloc_pages_nodemask+0x9fb/0xd80 [ 32.531198] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 32.536198] ? add_to_page_cache_lru+0x510/0x510 [ 32.540966] ? check_noncircular+0x20/0x20 [ 32.545199] ? check_noncircular+0x20/0x20 [ 32.549418] ? __schedule+0x8f3/0x2060 [ 32.553283] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 32.558048] alloc_pages_current+0xb6/0x1e0 [ 32.562417] __page_cache_alloc+0x334/0x500 [ 32.566727] ? rcu_read_lock_held+0xa9/0xc0 [ 32.571037] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 32.578403] filemap_fault+0xf34/0x1ca0 [ 32.582368] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.587561] ? __lock_page_or_retry+0x4f0/0x4f0 [ 32.592225] ? filemap_map_pages+0x942/0x15d0 [ 32.596726] ? find_get_entries_tag+0xeb0/0xeb0 [ 32.601399] ? lock_downgrade+0x980/0x980 [ 32.605549] ? check_noncircular+0x20/0x20 [ 32.609765] ? find_held_lock+0x35/0x1d0 [ 32.613813] ? print_irqtrace_events+0x270/0x270 [ 32.618558] ? print_irqtrace_events+0x270/0x270 [ 32.623299] ? print_irqtrace_events+0x270/0x270 [ 32.628045] ? lock_downgrade+0x980/0x980 [ 32.632197] ? lock_acquire+0x1d5/0x580 [ 32.636151] ? lock_acquire+0x1d5/0x580 [ 32.640111] ? ext4_filemap_fault+0x7a/0xad [ 32.644422] ? __lock_acquire+0x664/0x3e00 [ 32.648645] ? lock_release+0xa40/0xa40 [ 32.652605] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 32.658479] ? rcu_note_context_switch+0x710/0x710 [ 32.663395] ? __might_sleep+0x95/0x190 [ 32.667366] ? down_read+0x96/0x150 [ 32.670971] ? ext4_filemap_fault+0x7a/0xad [ 32.675274] ? __down_interruptible+0x6b0/0x6b0 [ 32.679946] ext4_filemap_fault+0x82/0xad [ 32.684087] __do_fault+0xeb/0x315 [ 32.687608] ? SyS_read+0xef/0x220 [ 32.691137] ? pte_offset_kernel+0xc7/0xc7 [ 32.695362] ? do_raw_spin_trylock+0x190/0x190 [ 32.699939] ? check_noncircular+0x20/0x20 [ 32.704172] __handle_mm_fault+0x1d8f/0x3ce0 [ 32.708579] ? __pmd_alloc+0x4e0/0x4e0 [ 32.712464] ? find_held_lock+0x35/0x1d0 [ 32.716525] ? handle_mm_fault+0x2a0/0x930 [ 32.720748] ? lock_downgrade+0x980/0x980 [ 32.724925] handle_mm_fault+0x38f/0x930 [ 32.728969] ? down_read_trylock+0xdb/0x170 [ 32.733280] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 32.737846] ? vmacache_find+0x5f/0x280 [ 32.741804] ? vmacache_update+0xfe/0x130 [ 32.745941] ? find_vma+0x30/0x150 [ 32.749474] __do_page_fault+0x5c9/0xc90 [ 32.753521] ? vfs_copy_file_range+0x940/0x940 [ 32.758103] ? mm_fault_error+0x2c0/0x2c0 [ 32.762241] ? avc_policy_seqno+0x9/0x20 [ 32.766287] do_page_fault+0xee/0x720 [ 32.770073] ? __do_page_fault+0xc90/0xc90 [ 32.774306] ? fput+0xd2/0x140 [ 32.777480] ? SyS_read+0x184/0x220 [ 32.781090] ? retint_user+0x18/0x18 [ 32.784798] ? page_fault+0x36/0x60 [ 32.788414] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.793251] ? page_fault+0x36/0x60 [ 32.796861] page_fault+0x4c/0x60 [ 32.800291] RIP: 0033:0x7f64d698ea30 [ 32.803983] RSP: 002b:00007f64d45bfd68 EFLAGS: 00010206 [ 32.809342] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000012b [ 32.816596] RDX: 00007f64d5df45a0 RSI: 000000000000003c RDI: 00007f64d5bf2621 [ 32.823843] RBP: 000000000000003c R08: 00007f64d5bf2621 R09: 0000000000000000 [ 32.831086] R10: 0000000000000011 R11: 0000000000000000 R12: 000000000000012b [ 32.838350] R13: 0000000000000000 R14: 00007f64d5df45a0 R15: 00007f64d5df55a0 [ 32.845704] Mem-Info: [ 32.848192] active_anon:5064 inactive_anon:61 isolated_anon:0 [ 32.848192] active_file:13 inactive_file:13 isolated_file:0 [ 32.848192] unevictable:0 dirty:0 writeback:0 unstable:0 [ 32.848192] slab_reclaimable:7242 slab_unreclaimable:83114 [ 32.848192] mapped:2 shmem:68 pagetables:310 bounce:0 [ 32.848192] free:24332 free_pcp:57 free_cma:0 [ 32.880259] Node 0 active_anon:20256kB inactive_anon:244kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 32.908525] 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 [ 32.934678] lowmem_reserve[]: 0 2870 6381 6381 [ 32.939301] Node 0 DMA32 free:44352kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.966751] lowmem_reserve[]: 0 0 3510 3510 [ 32.971102] Node 0 Normal free:37068kB min:37084kB low:46352kB high:55620kB active_anon:20228kB inactive_anon:240kB active_file:24kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3008kB pagetables:1240kB bounce:0kB free_pcp:228kB local_pcp:196kB free_cma:0kB [ 32.999980] lowmem_reserve[]: 0 0 0 0 [ 33.003850] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 33.017500] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 5*16kB (UM) 4*32kB (UM) 5*64kB (M) 6*128kB (UM) 6*256kB (UM) 3*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44352kB [ 33.033076] Node 0 Normal: 481*4kB (UMEH) 365*8kB (MH) 258*16kB (MEH) 166*32kB (MEH) 76*64kB (UME) 32*128kB (MH) 22*256kB (M) 12*512kB (UM) 0*1024kB 1*2048kB (M) 0*4096kB = 37068kB [ 33.049432] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 33.058053] 94 total pagecache pages [ 33.061811] 0 pages in swap cache [ 33.065279] Swap cache stats: add 0, delete 0, find 0/0 [ 33.070656] Free swap = 0kB [ 33.073678] Total swap = 0kB [ 33.076705] 1965979 pages RAM [ 33.079811] 0 pages HighMem/MovableOnly [ 33.083788] 327762 pages reserved [ 33.087247] Unreclaimable slab info: [ 33.090966] Name Used Total [ 33.096515] hashtab_node 118KB 119KB [ 33.101886] ebitmap_node 382KB 385KB [ 33.107265] avtab_node 1012KB 1013KB [ 33.112644] TIPC 1KB 7KB [ 33.118033] SCTPv6 2KB 4KB [ 33.123411] DCCPv6 2KB 7KB [ 33.128786] DCCP 2KB 6KB [ 33.134177] fib6_nodes 0KB 4KB [ 33.139552] ip6_dst_cache 5KB 7KB [ 33.144924] RAWv6 9KB 13KB [ 33.150300] UDPv6 12KB 14KB [ 33.155672] TCPv6 2KB 5KB [ 33.161060] sd_ext_cdb 0KB 3KB [ 33.166440] scsi_sense_cache 64KB 112KB [ 33.171817] virtio_scsi_cmd 16KB 16KB [ 33.177183] sgpool-128 8KB 8KB [ 33.182551] sgpool-64 4KB 6KB [ 33.187926] sgpool-32 47KB 55KB [ 33.193311] sgpool-16 26KB 30KB [ 33.198693] sgpool-8 168KB 168KB [ 33.204072] cfq_io_cq 17KB 19KB [ 33.209450] cfq_queue 29KB 30KB [ 33.214826] mqueue_inode_cache 1KB 7KB [ 33.220292] nfs_commit_data 3KB 7KB [ 33.225664] nfs_write_data 34KB 37KB [ 33.231035] jbd2_inode 1KB 3KB [ 33.236412] ext4_system_zone 0KB 3KB [ 33.241798] bio-1 1KB 3KB [ 33.247306] rpc_buffers 17KB 19KB [ 33.252670] rpc_tasks 2KB 3KB [ 33.258045] UNIX 780KB 784KB [ 33.263422] tcp_bind_bucket 0KB 4KB [ 33.268799] ip_fib_trie 0KB 3KB [ 33.274172] ip_fib_alias 0KB 3KB [ 33.279545] ip_dst_cache 3KB 8KB [ 33.284922] RAW 5KB 7KB [ 33.290297] UDP 29KB 31KB [ 33.295673] TCP 7KB 15KB [ 33.301059] hugetlbfs_inode_cache 1KB 7KB [ 33.306778] eventpoll_pwq 11KB 15KB [ 33.312160] eventpoll_epi 21KB 27KB [ 33.317531] inotify_inode_mark 3KB 7KB [ 33.323028] request_queue 76KB 159KB [ 33.328405] blkdev_ioc 25KB 27KB [ 33.333762] bio-0 251KB 251KB [ 33.339125] biovec-(1<<(21-12)) 371KB 371KB [ 33.344775] biovec-64 94KB 94KB [ 33.350149] biovec-16 10KB 15KB [ 33.355519] bio_integrity_payload 0KB 4KB [ 33.361236] khugepaged_mm_slot 0KB 3KB [ 33.367711] uid_cache 0KB 3KB [ 33.373169] dmaengine-unmap-2 0KB 3KB [ 33.378540] audit_buffer 0KB 3KB [ 33.383905] skbuff_fclone_cache 130KB 135KB [ 33.389458] skbuff_head_cache 1661KB 1661KB [ 33.394833] configfs_dir_cache 0KB 4KB [ 33.400298] file_lock_cache 160KB 162KB [ 33.405669] file_lock_ctx 1KB 3KB [ 33.411038] fsnotify_mark_connector 2KB 3KB [ 33.417294] shmem_inode_cache 1037KB 1038KB [ 33.422691] task_delay_info 303KB 355KB [ 33.428063] sigqueue 350KB 350KB [ 33.433435] kernfs_node_cache 2161KB 2165KB [ 33.438806] mnt_cache 15KB 20KB [ 33.444186] filp 8512KB 8681KB [ 33.449561] names_cache 111418KB 111456KB [ 33.454937] avc_node 37KB 39KB [ 33.460314] selinux_file_security 430KB 453KB [ 33.466034] selinux_inode_security 1936KB 1940KB [ 33.471840] key_jar 3KB 7KB [ 33.477209] nsproxy 0KB 3KB [ 33.482579] vm_area_struct 18052KB 18059KB [ 33.487948] mm_struct 4307KB 4312KB [ 33.493320] fs_cache 404KB 428KB [ 33.498692] files_cache 1515KB 1518KB [ 33.504061] signal_cache 2417KB 2422KB [ 33.509430] sighand_cache 261KB 360KB [ 33.514798] task_struct 10320KB 10326KB [ 33.520209] cred_jar 2276KB 2280KB [ 33.526109] anon_vma_chain 7508KB 7512KB [ 33.532406] anon_vma 160KB 308KB [ 33.538631] pid 211KB 248KB [ 33.544890] Acpi-Operand 106KB 170KB [ 33.551122] Acpi-ParseExt 0KB 3KB [ 33.557358] Acpi-Parse 0KB 7KB [ 33.563588] Acpi-State 0KB 11KB [ 33.569814] Acpi-Namespace 19KB 23KB [ 33.576051] numa_policy 0KB 3KB [ 33.582305] debug_objects_cache 504KB 504KB [ 33.588668] trace_event_file 145KB 147KB [ 33.594893] ftrace_event_field 257KB 259KB [ 33.601205] pool_workqueue 22KB 24KB [ 33.607432] page->ptl 2964KB 2968KB [ 33.613687] kmalloc-262144 1032KB 1032KB [ 33.619913] kmalloc-131072 650KB 650KB [ 33.626171] kmalloc-65536 264KB 264KB [ 33.632462] kmalloc-32768 627KB 627KB [ 33.638702] kmalloc-16384 148KB 148KB [ 33.644910] kmalloc-8192 503KB 503KB [ 33.651149] kmalloc-4096 8024KB 8062KB [ 33.657405] kmalloc-2048 4201KB 4201KB [ 33.663629] kmalloc-1024 2836KB 2842KB [ 33.669877] kmalloc-512 2655KB 2887KB [ 33.676136] kmalloc-256 2024KB 2418KB [ 33.682393] kmalloc-128 399KB 535KB [ 33.688624] kmalloc-96 2044KB 2044KB [ 33.694871] kmalloc-64 2460KB 2460KB [ 33.701046] kmalloc-32 2397KB 2397KB [ 33.707293] kmalloc-192 904KB 904KB [ 33.713531] kmem_cache 100KB 101KB [ 33.718927] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 33.727540] [ 1783] 0 1783 5384 175 86016 0 -1000 udevd [ 33.735707] [ 3359] 0 3359 14298 174 122880 0 0 rsyslogd [ 33.744136] [ 3414] 0 3414 4725 51 86016 0 0 cron [ 33.752211] [ 3432] 0 3432 3737 45 73728 0 0 mcstransd [ 33.760764] [ 3457] 0 3457 12490 153 135168 0 -1000 sshd [ 33.768850] [ 3484] 0 3484 3694 42 73728 0 0 getty [ 33.777042] [ 3485] 0 3485 3694 40 77824 0 0 getty [ 33.785204] [ 3486] 0 3486 3694 40 77824 0 0 getty [ 33.793367] [ 3487] 0 3487 3694 39 77824 0 0 getty [ 33.801523] [ 3488] 0 3488 3694 40 73728 0 0 getty [ 33.809681] [ 3489] 0 3489 3694 41 73728 0 0 getty [ 33.817837] [ 3490] 0 3490 3649 40 77824 0 0 getty [ 33.825992] [ 3494] 0 3494 5681 454 90112 0 -1000 udevd [ 33.834150] [ 3495] 0 3495 5681 454 90112 0 -1000 udevd [ 33.842322] [ 3512] 0 3512 17821 197 184320 0 0 sshd [ 33.850408] [ 3514] 0 3514 280 1 32768 0 0 syzkaller016496 [ 33.859432] [ 3515] 0 3515 4375 0 32768 0 0 syzkaller016496 [ 33.868458] [ 3516] 0 3516 4375 0 32768 0 0 syzkaller016496 [ 33.877486] [ 3517] 0 3517 4375 524 36864 0 0 syzkaller016496 [ 33.887325] [ 3518] 0 3518 4375 524 36864 0 0 syzkaller016496 [ 33.896381] [ 3519] 0 3519 4375 524 36864 0 0 syzkaller016496 [ 33.905417] [ 3520] 0 3520 4375 524 36864 0 0 syzkaller016496 [ 33.914491] [ 3521] 0 3521 4375 524 36864 0 0 syzkaller016496 [ 33.923524] [ 3522] 0 3522 4375 524 36864 0 0 syzkaller016496 [ 33.932548] Out of memory: Kill process 3517 (syzkaller016496) score 0 or sacrifice child [ 33.942098] Killed process 3517 (syzkaller016496) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 33.955824] oom_reaper: reaped process 3517 (syzkaller016496), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.969265] syzkaller016496 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 33.981624] syzkaller016496 cpuset=/ mems_allowed=0 [ 33.986665] CPU: 0 PID: 3518 Comm: syzkaller016496 Not tainted 4.15.0-rc7-next-20180111+ #94 [ 33.995228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.004565] Call Trace: [ 34.007143] dump_stack+0x194/0x257 [ 34.010762] ? arch_local_irq_restore+0x53/0x53 [ 34.015423] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.020611] dump_header+0x28c/0xe2b [ 34.024323] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.029506] ? pagefault_out_of_memory+0x145/0x145 [ 34.034431] ? print_irqtrace_events+0x270/0x270 [ 34.039187] ? avc_has_perm_noaudit+0x37e/0x520 [ 34.043854] ? check_noncircular+0x20/0x20 [ 34.048074] ? check_noncircular+0x20/0x20 [ 34.052295] ? print_irqtrace_events+0x270/0x270 [ 34.057044] ? reacquire_held_locks+0x1f9/0x3e0 [ 34.061692] ? reacquire_held_locks+0x1f9/0x3e0 [ 34.066347] ? check_noncircular+0x20/0x20 [ 34.070568] ? task_will_free_mem+0x252/0xaa0 [ 34.075044] ? check_noncircular+0x20/0x20 [ 34.079273] ? print_irqtrace_events+0x270/0x270 [ 34.084030] ? ___ratelimit+0x30d/0x630 [ 34.087991] ? lock_downgrade+0x980/0x980 [ 34.092126] ? lock_release+0xa40/0xa40 [ 34.096097] ? mark_held_locks+0xaf/0x100 [ 34.100239] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 34.105330] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.110324] ? trace_hardirqs_on+0xd/0x10 [ 34.114446] ? ___ratelimit+0x95/0x630 [ 34.118306] ? idr_get_free_cmn+0xfd0/0xfd0 [ 34.122600] ? check_noncircular+0x20/0x20 [ 34.126820] oom_kill_process+0x81b/0x9f0 [ 34.130940] ? oom_badness+0xd1/0x980 [ 34.134711] ? lock_release+0xa40/0xa40 [ 34.138657] ? oom_kill_memcg_member+0x20/0x20 [ 34.143228] ? oom_evaluate_task+0x480/0x480 [ 34.147633] ? out_of_memory+0xe1c/0x1790 [ 34.151784] ? lock_downgrade+0x980/0x980 [ 34.155927] ? lock_release+0xa40/0xa40 [ 34.159884] ? find_next_bit+0xcc/0x100 [ 34.163860] ? oom_evaluate_task+0x284/0x480 [ 34.168263] out_of_memory+0x9d5/0x1790 [ 34.172240] ? oom_killer_disable+0x310/0x310 [ 34.176729] ? mutex_trylock+0x23a/0x2d0 [ 34.180772] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 34.185687] ? __lock_is_held+0xb6/0x140 [ 34.189733] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 34.195189] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 34.200065] ? warn_alloc+0x2b0/0x2b0 [ 34.203844] ? check_noncircular+0x20/0x20 [ 34.208058] ? check_preempt_wakeup+0x426/0xb20 [ 34.212736] ? print_irqtrace_events+0x270/0x270 [ 34.217481] ? put_prev_task_fair+0x80/0x80 [ 34.221815] ? find_held_lock+0x35/0x1d0 [ 34.225879] ? __mutex_lock+0x5bd/0x1a80 [ 34.229934] ? __lock_acquire+0x664/0x3e00 [ 34.234154] ? lock_release+0xa40/0xa40 [ 34.238120] ? memset+0x31/0x40 [ 34.241388] ? do_raw_spin_trylock+0x190/0x190 [ 34.245987] ? __lock_is_held+0xb6/0x140 [ 34.250061] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 34.255924] ? find_held_lock+0x35/0x1d0 [ 34.259966] ? __might_sleep+0x95/0x190 [ 34.263922] __alloc_pages_nodemask+0x9fb/0xd80 [ 34.268573] ? vmap_page+0x1c5/0x2a0 [ 34.272277] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 34.277294] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 34.282225] ? print_irqtrace_events+0x270/0x270 [ 34.286979] ? __lock_is_held+0xb6/0x140 [ 34.291037] ? find_next_bit+0xcc/0x100 [ 34.295016] pcpu_populate_chunk+0x1b3/0x880 [ 34.299409] ? find_next_bit+0x17/0x100 [ 34.303385] pcpu_alloc+0x978/0x10e0 [ 34.307106] ? pcpu_free_area+0xa00/0xa00 [ 34.311252] ? vmap_page_range_noflush+0x155/0x240 [ 34.316167] ? unmap_kernel_range+0x30/0x30 [ 34.320482] ? rcu_note_context_switch+0x710/0x710 [ 34.325399] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 34.331275] ? map_vm_area+0x9e/0xd0 [ 34.334973] ? __vmalloc_node_range+0x37a/0x650 [ 34.339638] ? array_map_alloc+0x351/0xa00 [ 34.343856] ? __vmalloc_node_flags_caller+0x50/0x60 [ 34.348953] __alloc_percpu_gfp+0x27/0x30 [ 34.353091] array_map_alloc+0x778/0xa00 [ 34.357156] SyS_bpf+0x7f8/0x4400 [ 34.360595] ? perf_event_mmap+0x115/0x12a0 [ 34.364905] ? bpf_prog_get+0x20/0x20 [ 34.368684] ? perf_event_fork+0x30/0x30 [ 34.372834] ? __lock_is_held+0xb6/0x140 [ 34.376884] ? check_noncircular+0x20/0x20 [ 34.381102] ? vma_wants_writenotify+0x51/0x3b0 [ 34.385766] ? __handle_mm_fault+0x80e/0x3ce0 [ 34.390254] ? check_noncircular+0x20/0x20 [ 34.394469] ? __pmd_alloc+0x4e0/0x4e0 [ 34.398335] ? vma_link+0xe9/0x170 [ 34.401875] ? find_held_lock+0x35/0x1d0 [ 34.405925] ? handle_mm_fault+0x2a0/0x930 [ 34.410146] ? find_held_lock+0x35/0x1d0 [ 34.414215] ? __do_page_fault+0x5f7/0xc90 [ 34.418439] ? lock_downgrade+0x980/0x980 [ 34.422587] ? handle_mm_fault+0x476/0x930 [ 34.426798] ? down_read_trylock+0xdb/0x170 [ 34.431102] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 34.435659] ? vmacache_find+0x5f/0x280 [ 34.439608] ? vmacache_update+0xfe/0x130 [ 34.443749] ? up_read+0x1a/0x40 [ 34.447103] ? __do_page_fault+0x3d6/0xc90 [ 34.451335] ? mm_fault_error+0x2c0/0x2c0 [ 34.455484] ? do_page_fault+0xee/0x720 [ 34.459446] ? __do_page_fault+0xc90/0xc90 [ 34.463681] ? SyS_mmap_pgoff+0x243/0x5f0 [ 34.467821] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.472570] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 34.477311] RIP: 0033:0x440139 [ 34.480484] RSP: 002b:00007ffcc8a92fb8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 34.488181] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 34.495429] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 34.502673] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 34.509926] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 34.517184] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 34.524700] Mem-Info: [ 34.527158] active_anon:4548 inactive_anon:61 isolated_anon:0 [ 34.527158] active_file:15 inactive_file:8 isolated_file:0 [ 34.527158] unevictable:0 dirty:0 writeback:0 unstable:0 [ 34.527158] slab_reclaimable:7242 slab_unreclaimable:83071 [ 34.527158] mapped:2 shmem:68 pagetables:310 bounce:0 [ 34.527158] free:23822 free_pcp:83 free_cma:0 [ 34.559113] Node 0 active_anon:18192kB inactive_anon:244kB active_file:64kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 34.586039] 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 [ 34.612507] lowmem_reserve[]: 0 2870 6381 6381 [ 34.617127] Node 0 DMA32 free:44352kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:20kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 34.644504] lowmem_reserve[]: 0 0 3510 3510 [ 34.648860] Node 0 Normal free:35028kB min:37084kB low:46352kB high:55620kB active_anon:18164kB inactive_anon:240kB active_file:0kB inactive_file:140kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3008kB pagetables:1240kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB [ 34.677703] lowmem_reserve[]: 0 0 0 0 [ 34.681517] 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 [ 34.695161] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 5*16kB (UM) 4*32kB (UM) 5*64kB (M) 6*128kB (UM) 6*256kB (UM) 3*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44352kB [ 34.710726] Node 0 Normal: 477*4kB (MEH) 364*8kB (UMH) 256*16kB (UMEH) 166*32kB (UMEH) 73*64kB (UME) 32*128kB (UMH) 21*256kB (UM) 9*512kB (M) 0*1024kB 1*2048kB (M) 0*4096kB = 35028kB [ 34.727282] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 34.735847] 94 total pagecache pages [ 34.739555] 0 pages in swap cache [ 34.743091] Swap cache stats: add 0, delete 0, find 0/0 [ 34.748454] Free swap = 0kB [ 34.751464] Total swap = 0kB [ 34.754479] 1965979 pages RAM [ 34.757575] 0 pages HighMem/MovableOnly [ 34.761533] 327762 pages reserved [ 34.764968] Unreclaimable slab info: [ 34.768666] Name Used Total [ 34.774206] hashtab_node 118KB 119KB [ 34.779566] ebitmap_node 382KB 385KB [ 34.784916] avtab_node 1012KB 1013KB [ 34.790284] TIPC 1KB 7KB [ 34.795645] SCTPv6 2KB 4KB [ 34.800997] DCCPv6 2KB 7KB [ 34.806371] DCCP 2KB 6KB [ 34.811742] fib6_nodes 0KB 4KB [ 34.817093] ip6_dst_cache 5KB 7KB [ 34.822459] RAWv6 9KB 13KB [ 34.827829] UDPv6 12KB 14KB [ 34.833207] TCPv6 2KB 5KB [ 34.838598] sd_ext_cdb 0KB 3KB [ 34.843973] scsi_sense_cache 62KB 112KB [ 34.849346] virtio_scsi_cmd 16KB 16KB [ 34.854878] sgpool-128 8KB 8KB [ 34.860264] sgpool-64 4KB 6KB [ 34.865638] sgpool-32 46KB 55KB [ 34.871032] sgpool-16 25KB 30KB [ 34.876410] sgpool-8 167KB 168KB [ 34.881787] cfq_io_cq 16KB 19KB [ 34.888081] cfq_queue 25KB 30KB [ 34.893465] mqueue_inode_cache 1KB 7KB [ 34.898922] nfs_commit_data 3KB 7KB [ 34.904295] nfs_write_data 34KB 37KB [ 34.909673] jbd2_inode 1KB 3KB [ 34.915044] ext4_system_zone 0KB 3KB [ 34.920429] bio-1 1KB 3KB [ 34.925813] rpc_buffers 17KB 19KB [ 34.931215] rpc_tasks 2KB 3KB [ 34.936622] UNIX 780KB 784KB [ 34.942037] tcp_bind_bucket 0KB 4KB [ 34.947420] ip_fib_trie 0KB 3KB [ 34.952797] ip_fib_alias 0KB 3KB [ 34.958184] ip_dst_cache 3KB 8KB [ 34.963564] RAW 5KB 7KB [ 34.968941] UDP 29KB 31KB [ 34.974321] TCP 7KB 15KB [ 34.979697] hugetlbfs_inode_cache 1KB 7KB [ 34.985425] eventpoll_pwq 11KB 15KB [ 34.990804] eventpoll_epi 21KB 27KB [ 34.996362] inotify_inode_mark 3KB 7KB [ 35.001845] request_queue 54KB 136KB [ 35.007224] blkdev_ioc 23KB 27KB [ 35.012599] bio-0 251KB 251KB [ 35.017974] biovec-(1<<(21-12)) 371KB 371KB [ 35.023521] biovec-64 94KB 94KB [ 35.029051] biovec-16 10KB 15KB [ 35.034433] bio_integrity_payload 0KB 4KB [ 35.040187] khugepaged_mm_slot 0KB 3KB [ 35.045668] uid_cache 0KB 3KB [ 35.051040] dmaengine-unmap-2 0KB 3KB [ 35.056414] audit_buffer 0KB 3KB [ 35.061786] skbuff_fclone_cache 130KB 135KB [ 35.067326] skbuff_head_cache 1661KB 1665KB [ 35.072693] configfs_dir_cache 0KB 4KB [ 35.078145] file_lock_cache 160KB 162KB [ 35.083515] file_lock_ctx 1KB 3KB [ 35.088883] fsnotify_mark_connector 2KB 3KB [ 35.094772] shmem_inode_cache 1037KB 1038KB [ 35.100154] task_delay_info 303KB 355KB [ 35.105527] sigqueue 348KB 350KB [ 35.110903] kernfs_node_cache 2161KB 2165KB [ 35.116275] mnt_cache 15KB 20KB [ 35.121646] filp 8477KB 8662KB [ 35.127036] names_cache 111409KB 111447KB [ 35.132400] avc_node 37KB 39KB [ 35.137771] selinux_file_security 426KB 453KB [ 35.143478] selinux_inode_security 1936KB 1940KB [ 35.149282] key_jar 3KB 7KB [ 35.154655] nsproxy 0KB 3KB [ 35.160045] vm_area_struct 18051KB 18059KB [ 35.165421] mm_struct 4307KB 4312KB [ 35.170798] fs_cache 404KB 428KB [ 35.176173] files_cache 1515KB 1518KB [ 35.181548] signal_cache 2417KB 2422KB [ 35.186919] sighand_cache 215KB 312KB [ 35.192299] task_struct 10320KB 10320KB [ 35.197711] cred_jar 2276KB 2280KB [ 35.203511] anon_vma_chain 7507KB 7512KB [ 35.209707] anon_vma 132KB 296KB [ 35.215086] pid 210KB 248KB [ 35.220491] Acpi-Operand 106KB 170KB [ 35.225843] Acpi-Parse 0KB 3KB [ 35.231193] Acpi-State 0KB 7KB [ 35.236542] Acpi-Namespace 19KB 23KB [ 35.241887] numa_policy 0KB 3KB [ 35.247234] debug_objects_cache 504KB 504KB [ 35.252754] trace_event_file 145KB 147KB [ 35.258111] ftrace_event_field 257KB 259KB [ 35.263567] pool_workqueue 22KB 24KB [ 35.268916] page->ptl 2964KB 2968KB [ 35.274277] kmalloc-262144 1032KB 1032KB [ 35.279622] kmalloc-131072 650KB 650KB [ 35.284964] kmalloc-65536 264KB 264KB [ 35.290309] kmalloc-32768 627KB 627KB [ 35.295658] kmalloc-16384 148KB 148KB [ 35.301023] kmalloc-8192 503KB 503KB [ 35.306371] kmalloc-4096 8015KB 8053KB [ 35.311718] kmalloc-2048 4201KB 4201KB [ 35.317066] kmalloc-1024 2835KB 2842KB [ 35.322420] kmalloc-512 2654KB 2887KB [ 35.327767] kmalloc-256 2006KB 2403KB [ 35.333119] kmalloc-128 396KB 531KB [ 35.338463] kmalloc-96 2048KB 2048KB [ 35.343806] kmalloc-64 2460KB 2460KB [ 35.349155] kmalloc-32 2390KB 2397KB [ 35.354515] kmalloc-192 901KB 904KB [ 35.359862] kmem_cache 100KB 101KB [ 35.366064] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 35.374671] [ 1783] 0 1783 5384 175 86016 0 -1000 udevd [ 35.382823] [ 3359] 0 3359 14298 174 122880 0 0 rsyslogd [ 35.391224] [ 3414] 0 3414 4725 51 86016 0 0 cron [ 35.399268] [ 3432] 0 3432 3737 45 73728 0 0 mcstransd [ 35.407750] [ 3457] 0 3457 12490 153 135168 0 -1000 sshd [ 35.415801] [ 3484] 0 3484 3694 42 73728 0 0 getty [ 35.423951] [ 3485] 0 3485 3694 40 77824 0 0 getty [ 35.432102] [ 3486] 0 3486 3694 40 77824 0 0 getty [ 35.440236] [ 3487] 0 3487 3694 39 77824 0 0 getty [ 35.448369] [ 3488] 0 3488 3694 40 73728 0 0 getty [ 35.456509] [ 3489] 0 3489 3694 41 73728 0 0 getty [ 35.464641] [ 3490] 0 3490 3649 40 77824 0 0 getty [ 35.472770] [ 3494] 0 3494 5681 454 90112 0 -1000 udevd [ 35.480900] [ 3495] 0 3495 5681 454 90112 0 -1000 udevd [ 35.489030] [ 3512] 0 3512 17821 197 184320 0 0 sshd [ 35.497073] [ 3514] 0 3514 280 1 32768 0 0 syzkaller016496 [ 35.506081] [ 3515] 0 3515 4375 0 32768 0 0 syzkaller016496 [ 35.515081] [ 3516] 0 3516 4375 0 32768 0 0 syzkaller016496 [ 35.524099] [ 3517] 0 3517 4375 0 32768 0 0 syzkaller016496 [ 35.533120] [ 3518] 0 3518 4375 524 36864 0 0 syzkaller016496 [ 35.542138] [ 3519] 0 3519 4375 524 36864 0 0 syzkaller016496 [ 35.551566] [ 3520] 0 3520 4375 524 36864 0 0 syzkaller016496 [ 35.560573] [ 3521] 0 3521 4375 524 36864 0 0 syzkaller016496 [ 35.569573] [ 3522] 0 3522 4375 524 36864 0 0 syzkaller016496 [ 35.578568] Out of memory: Kill process 3518 (syzkaller016496) score 0 or sacrifice child [ 35.586901] Killed process 3518 (syzkaller016496) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 35.598375] oom_reaper: reaped process 3518 (syzkaller016496), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 35.631434] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 35.643190] udevd cpuset=/ mems_allowed=0 [ 35.647421] CPU: 1 PID: 1783 Comm: udevd Not tainted 4.15.0-rc7-next-20180111+ #94 [ 35.655112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.664449] Call Trace: [ 35.667033] dump_stack+0x194/0x257 [ 35.670653] ? arch_local_irq_restore+0x53/0x53 [ 35.675313] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.680504] dump_header+0x28c/0xe2b [ 35.684220] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.689404] ? pagefault_out_of_memory+0x145/0x145 [ 35.694332] ? print_irqtrace_events+0x270/0x270 [ 35.699089] ? avc_has_perm_noaudit+0x37e/0x520 [ 35.703748] ? check_noncircular+0x20/0x20 [ 35.707969] ? check_noncircular+0x20/0x20 [ 35.712196] ? print_irqtrace_events+0x270/0x270 [ 35.716946] ? reacquire_held_locks+0x1f9/0x3e0 [ 35.721598] ? reacquire_held_locks+0x1f9/0x3e0 [ 35.726256] ? check_noncircular+0x20/0x20 [ 35.730478] ? task_will_free_mem+0x252/0xaa0 [ 35.734956] ? check_noncircular+0x20/0x20 [ 35.739188] ? print_irqtrace_events+0x270/0x270 [ 35.743942] ? ___ratelimit+0x30d/0x630 [ 35.747908] ? lock_downgrade+0x980/0x980 [ 35.752048] ? lock_release+0xa40/0xa40 [ 35.756018] ? mark_held_locks+0xaf/0x100 [ 35.760156] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 35.765252] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.770262] ? trace_hardirqs_on+0xd/0x10 [ 35.774403] ? ___ratelimit+0x95/0x630 [ 35.778278] ? idr_get_free_cmn+0xfd0/0xfd0 [ 35.782591] ? check_noncircular+0x20/0x20 [ 35.786824] oom_kill_process+0x81b/0x9f0 [ 35.790958] ? oom_badness+0xd1/0x980 [ 35.794744] ? lock_release+0xa40/0xa40 [ 35.798707] ? oom_kill_memcg_member+0x20/0x20 [ 35.803281] ? oom_evaluate_task+0x480/0x480 [ 35.807686] ? out_of_memory+0xe1c/0x1790 [ 35.811821] ? lock_downgrade+0x980/0x980 [ 35.815960] ? lock_release+0xa40/0xa40 [ 35.819919] ? find_next_bit+0xcc/0x100 [ 35.823895] ? oom_evaluate_task+0x284/0x480 [ 35.828296] out_of_memory+0x9d5/0x1790 [ 35.832270] ? oom_killer_disable+0x310/0x310 [ 35.836762] ? mutex_trylock+0x23a/0x2d0 [ 35.840804] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 35.845722] ? __lock_is_held+0xb6/0x140 [ 35.849771] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 35.855229] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 35.860075] ? trace_hardirqs_on+0xd/0x10 [ 35.864241] ? warn_alloc+0x2b0/0x2b0 [ 35.868027] ? lock_downgrade+0x980/0x980 [ 35.872175] ? radix_tree_lookup_slot+0x99/0xe0 [ 35.876850] ? find_get_entry+0x53c/0x9e0 [ 35.881018] ? __lock_acquire+0x664/0x3e00 [ 35.885268] ? __lock_is_held+0xb6/0x140 [ 35.889343] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 35.895237] ? __might_sleep+0x95/0x190 [ 35.899209] __alloc_pages_nodemask+0x9fb/0xd80 [ 35.903877] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 35.908879] ? add_to_page_cache_lru+0x510/0x510 [ 35.913634] ? check_noncircular+0x20/0x20 [ 35.917852] ? check_noncircular+0x20/0x20 [ 35.922088] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 35.926865] alloc_pages_current+0xb6/0x1e0 [ 35.931181] __page_cache_alloc+0x334/0x500 [ 35.935490] ? rcu_read_lock_held+0xa9/0xc0 [ 35.939800] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 35.947170] filemap_fault+0xf34/0x1ca0 [ 35.951136] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.956333] ? __lock_page_or_retry+0x4f0/0x4f0 [ 35.961001] ? filemap_map_pages+0x942/0x15d0 [ 35.965481] ? compat_start_thread+0x80/0x80 [ 35.969896] ? find_get_entries_tag+0xeb0/0xeb0 [ 35.974567] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 35.979397] ? check_noncircular+0x20/0x20 [ 35.983623] ? wait_for_completion+0x770/0x770 [ 35.988193] ? print_irqtrace_events+0x270/0x270 [ 35.992933] ? print_irqtrace_events+0x270/0x270 [ 35.997672] ? print_irqtrace_events+0x270/0x270 [ 36.002417] ? lock_release+0xa40/0xa40 [ 36.006398] ? lock_acquire+0x1d5/0x580 [ 36.010351] ? lock_acquire+0x1d5/0x580 [ 36.014308] ? ext4_filemap_fault+0x7a/0xad [ 36.018624] ? __lock_acquire+0x664/0x3e00 [ 36.022848] ? lock_release+0xa40/0xa40 [ 36.026809] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 36.032686] ? rcu_note_context_switch+0x710/0x710 [ 36.037616] ? __might_sleep+0x95/0x190 [ 36.041583] ? down_read+0x96/0x150 [ 36.045193] ? ext4_filemap_fault+0x7a/0xad [ 36.049500] ? __down_interruptible+0x6b0/0x6b0 [ 36.054175] ext4_filemap_fault+0x82/0xad [ 36.058323] __do_fault+0xeb/0x315 [ 36.061848] ? find_held_lock+0x35/0x1d0 [ 36.065903] ? pte_offset_kernel+0xc7/0xc7 [ 36.070126] ? do_raw_spin_trylock+0x190/0x190 [ 36.074701] ? lock_downgrade+0x980/0x980 [ 36.078836] ? check_noncircular+0x20/0x20 [ 36.083071] __handle_mm_fault+0x1d8f/0x3ce0 [ 36.087481] ? __pmd_alloc+0x4e0/0x4e0 [ 36.091355] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.096370] ? find_held_lock+0x35/0x1d0 [ 36.100433] ? handle_mm_fault+0x2a0/0x930 [ 36.104656] ? lock_downgrade+0x980/0x980 [ 36.108830] handle_mm_fault+0x38f/0x930 [ 36.112874] ? down_read_trylock+0xdb/0x170 [ 36.117206] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 36.121771] ? vmacache_find+0x5f/0x280 [ 36.125738] ? find_vma+0x30/0x150 [ 36.129273] __do_page_fault+0x5c9/0xc90 [ 36.133334] ? mm_fault_error+0x2c0/0x2c0 [ 36.137470] ? __lock_is_held+0xb6/0x140 [ 36.141574] do_page_fault+0xee/0x720 [ 36.145369] ? __do_page_fault+0xc90/0xc90 [ 36.149596] ? __sb_end_write+0xa0/0xd0 [ 36.153559] ? vfs_write+0x224/0x510 [ 36.157265] ? wake_up_q+0xe0/0xe0 [ 36.160791] ? SyS_write+0x184/0x220 [ 36.164489] ? retint_user+0x18/0x18 [ 36.168190] ? page_fault+0x36/0x60 [ 36.171808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.176647] ? page_fault+0x36/0x60 [ 36.180262] page_fault+0x4c/0x60 [ 36.183695] RIP: 0033:0x4199c0 [ 36.186863] RSP: 002b:00007ffe177ffcb8 EFLAGS: 00010202 [ 36.192209] RAX: 0000000000000007 RBX: 0000000000000001 RCX: 00007ffe177ffdbc [ 36.199462] RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000002485a10 [ 36.206714] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 [ 36.213966] R10: 0000000000000008 R11: 0000000000000004 R12: 0000000000000003 [ 36.221220] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000247b030 [ 36.228632] Mem-Info: [ 36.232928] active_anon:4030 inactive_anon:61 isolated_anon:0 [ 36.232928] active_file:13 inactive_file:13 isolated_file:0 [ 36.232928] unevictable:0 dirty:0 writeback:0 unstable:0 [ 36.232928] slab_reclaimable:7242 slab_unreclaimable:83068 [ 36.232928] mapped:2 shmem:68 pagetables:308 bounce:0 [ 36.232928] free:24334 free_pcp:75 free_cma:0 [ 36.265077] Node 0 active_anon:16120kB inactive_anon:244kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 36.291905] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 36.318073] lowmem_reserve[]: 0 2870 6381 6381 [ 36.322675] Node 0 DMA32 free:44352kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 36.349943] lowmem_reserve[]: 0 0 3510 3510 [ 36.354298] Node 0 Normal free:37076kB min:37084kB low:46352kB high:55620kB active_anon:16092kB inactive_anon:240kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3008kB pagetables:1232kB bounce:0kB free_pcp:300kB local_pcp:128kB free_cma:0kB [ 36.383714] lowmem_reserve[]: 0 0 0 0 [ 36.387555] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 36.401202] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 5*16kB (UM) 4*32kB (UM) 5*64kB (M) 6*128kB (UM) 6*256kB (UM) 3*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44352kB [ 36.416713] Node 0 Normal: 477*4kB (MEH) 369*8kB (UMH) 256*16kB (UMEH) 166*32kB (UMEH) 73*64kB (UME) 32*128kB (UMH) 21*256kB (UM) 9*512kB (M) 0*1024kB 2*2048kB (M) 0*4096kB = 37116kB [ 36.433246] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 36.441841] 94 total pagecache pages [ 36.445580] 0 pages in swap cache [ 36.449077] Swap cache stats: add 0, delete 0, find 0/0 [ 36.454974] Free swap = 0kB [ 36.458900] Total swap = 0kB [ 36.461936] 1965979 pages RAM [ 36.465049] 0 pages HighMem/MovableOnly [ 36.469027] 327762 pages reserved [ 36.472487] Unreclaimable slab info: [ 36.476216] Name Used Total [ 36.481768] hashtab_node 118KB 119KB [ 36.487149] ebitmap_node 382KB 385KB [ 36.492534] avtab_node 1012KB 1013KB [ 36.497922] TIPC 1KB 7KB [ 36.503310] SCTPv6 2KB 4KB [ 36.508697] DCCPv6 2KB 7KB [ 36.514790] DCCP 2KB 6KB [ 36.520186] fib6_nodes 0KB 4KB [ 36.525567] ip6_dst_cache 5KB 7KB [ 36.530950] RAWv6 9KB 13KB [ 36.536335] UDPv6 12KB 14KB [ 36.541722] TCPv6 2KB 5KB [ 36.547119] sd_ext_cdb 0KB 3KB [ 36.552504] scsi_sense_cache 62KB 112KB [ 36.557885] virtio_scsi_cmd 16KB 16KB [ 36.563271] sgpool-128 8KB 8KB [ 36.568650] sgpool-64 4KB 6KB [ 36.574047] sgpool-32 46KB 55KB [ 36.579456] sgpool-16 25KB 30KB [ 36.585788] sgpool-8 165KB 168KB [ 36.591845] cfq_io_cq 15KB 19KB [ 36.597838] cfq_queue 25KB 30KB [ 36.603853] mqueue_inode_cache 1KB 7KB [ 36.609982] nfs_commit_data 3KB 7KB [ 36.615929] nfs_write_data 34KB 37KB [ 36.622176] jbd2_inode 1KB 3KB [ 36.627574] ext4_system_zone 0KB 3KB [ 36.632972] bio-1 1KB 3KB [ 36.638364] rpc_buffers 17KB 19KB [ 36.643797] rpc_tasks 2KB 3KB [ 36.649927] UNIX 780KB 784KB [ 36.655318] tcp_bind_bucket 0KB 4KB [ 36.660685] ip_fib_trie 0KB 3KB [ 36.666057] ip_fib_alias 0KB 3KB [ 36.671432] ip_dst_cache 3KB 8KB [ 36.676811] RAW 5KB 7KB [ 36.682191] UDP 29KB 31KB [ 36.687578] TCP 7KB 15KB [ 36.692955] hugetlbfs_inode_cache 1KB 7KB [ 36.698685] eventpoll_pwq 11KB 15KB [ 36.704061] eventpoll_epi 21KB 27KB [ 36.709439] inotify_inode_mark 3KB 7KB [ 36.714909] request_queue 54KB 136KB [ 36.720290] blkdev_ioc 21KB 27KB [ 36.725666] bio-0 251KB 251KB [ 36.731048] biovec-(1<<(21-12)) 371KB 371KB [ 36.736603] biovec-64 94KB 94KB [ 36.741982] biovec-16 10KB 15KB [ 36.747359] bio_integrity_payload 0KB 4KB [ 36.753087] khugepaged_mm_slot 0KB 3KB [ 36.758563] uid_cache 0KB 3KB [ 36.763953] dmaengine-unmap-2 0KB 3KB [ 36.769345] audit_buffer 0KB 3KB [ 36.774765] skbuff_fclone_cache 130KB 135KB [ 36.781912] skbuff_head_cache 1665KB 1665KB [ 36.787927] configfs_dir_cache 0KB 4KB [ 36.794697] file_lock_cache 160KB 162KB [ 36.800086] file_lock_ctx 1KB 3KB [ 36.805454] fsnotify_mark_connector 2KB 3KB [ 36.811325] shmem_inode_cache 1037KB 1038KB [ 36.816673] task_delay_info 302KB 355KB [ 36.822023] sigqueue 347KB 350KB [ 36.827369] kernfs_node_cache 2161KB 2165KB [ 36.832715] mnt_cache 15KB 20KB [ 36.838061] filp 8470KB 8655KB [ 36.843407] names_cache 111401KB 111439KB [ 36.848758] avc_node 37KB 39KB [ 36.854116] selinux_file_security 425KB 453KB [ 36.859819] selinux_inode_security 1936KB 1940KB [ 36.865600] key_jar 3KB 7KB [ 36.870948] nsproxy 0KB 3KB [ 36.876294] vm_area_struct 18051KB 18059KB [ 36.881641] mm_struct 4307KB 4312KB [ 36.887023] fs_cache 404KB 428KB [ 36.892371] files_cache 1515KB 1518KB [ 36.897718] signal_cache 2417KB 2422KB [ 36.903247] sighand_cache 215KB 312KB [ 36.908613] task_struct 10320KB 10320KB [ 36.914101] cred_jar 2276KB 2280KB [ 36.919481] anon_vma_chain 7506KB 7512KB [ 36.924828] anon_vma 131KB 296KB [ 36.930175] pid 210KB 248KB [ 36.935632] Acpi-Operand 106KB 170KB [ 36.940991] Acpi-Parse 0KB 3KB [ 36.946339] Acpi-State 0KB 7KB [ 36.951685] Acpi-Namespace 19KB 23KB [ 36.957033] numa_policy 0KB 3KB [ 36.962380] debug_objects_cache 504KB 504KB [ 36.967900] trace_event_file 145KB 147KB [ 36.973247] ftrace_event_field 257KB 259KB [ 36.978688] pool_workqueue 22KB 24KB [ 36.984099] page->ptl 2964KB 2968KB [ 36.989463] kmalloc-262144 1032KB 1032KB [ 36.994806] kmalloc-131072 650KB 650KB [ 37.000150] kmalloc-65536 264KB 264KB [ 37.005494] kmalloc-32768 627KB 627KB [ 37.011547] kmalloc-16384 148KB 148KB [ 37.017757] kmalloc-8192 503KB 503KB [ 37.023881] kmalloc-4096 8002KB 8041KB [ 37.030183] kmalloc-2048 4201KB 4201KB [ 37.036405] kmalloc-1024 2835KB 2842KB [ 37.041819] kmalloc-512 2661KB 2887KB [ 37.047964] kmalloc-256 2005KB 2403KB [ 37.053346] kmalloc-128 396KB 531KB [ 37.058728] kmalloc-96 2047KB 2048KB [ 37.064111] kmalloc-64 2459KB 2460KB [ 37.069498] kmalloc-32 2388KB 2397KB [ 37.074881] kmalloc-192 901KB 904KB [ 37.080266] kmem_cache 100KB 101KB [ 37.085650] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 37.094390] [ 1783] 0 1783 5384 175 86016 0 -1000 udevd [ 37.102592] [ 3359] 0 3359 14298 174 122880 0 0 rsyslogd [ 37.111059] [ 3414] 0 3414 4725 51 86016 0 0 cron [ 37.119144] [ 3432] 0 3432 3737 45 73728 0 0 mcstransd [ 37.127661] [ 3457] 0 3457 12490 153 135168 0 -1000 sshd [ 37.135739] [ 3484] 0 3484 3694 42 73728 0 0 getty [ 37.143903] [ 3485] 0 3485 3694 40 77824 0 0 getty [ 37.152070] [ 3486] 0 3486 3694 40 77824 0 0 getty [ 37.160235] [ 3487] 0 3487 3694 39 77824 0 0 getty [ 37.168386] [ 3488] 0 3488 3694 40 73728 0 0 getty [ 37.176542] [ 3489] 0 3489 3694 41 73728 0 0 getty [ 37.184692] [ 3490] 0 3490 3649 40 77824 0 0 getty [ 37.192852] [ 3494] 0 3494 5681 454 90112 0 -1000 udevd [ 37.201937] [ 3495] 0 3495 5681 454 90112 0 -1000 udevd [ 37.211044] [ 3512] 0 3512 17821 197 184320 0 0 sshd [ 37.219125] [ 3514] 0 3514 280 1 32768 0 0 syzkaller016496 [ 37.228167] [ 3515] 0 3515 4375 0 32768 0 0 syzkaller016496 [ 37.237190] [ 3516] 0 3516 4375 0 32768 0 0 syzkaller016496 [ 37.246224] [ 3517] 0 3517 4375 0 32768 0 0 syzkaller016496 [ 37.255263] [ 3518] 0 3518 4375 0 32768 0 0 syzkaller016496 [ 37.264302] [ 3519] 0 3519 4375 524 36864 0 0 syzkaller016496 [ 37.273335] [ 3520] 0 3520 4375 524 36864 0 0 syzkaller016496 [ 37.282372] [ 3521] 0 3521 4375 524 36864 0 0 syzkaller016496 [ 37.291410] [ 3522] 0 3522 4375 524 36864 0 0 syzkaller016496 [ 37.300449] Out of memory: Kill process 3519 (syzkaller016496) score 0 or sacrifice child [ 37.309163] Killed process 3519 (syzkaller016496) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 37.321822] oom_reaper: reaped process 3519 (syzkaller016496), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 37.333886] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 37.344963] init cpuset=/ mems_allowed=0 [ 37.349253] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc7-next-20180111+ #94 [ 37.356606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.367111] Call Trace: [ 37.369695] dump_stack+0x194/0x257 [ 37.373318] ? arch_local_irq_restore+0x53/0x53 [ 37.377982] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 37.383180] dump_header+0x28c/0xe2b [ 37.386894] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 37.392080] ? pagefault_out_of_memory+0x145/0x145 [ 37.397006] ? print_irqtrace_events+0x270/0x270 [ 37.401761] ? avc_has_perm_noaudit+0x37e/0x520 [ 37.406420] ? check_noncircular+0x20/0x20 [ 37.410643] ? check_noncircular+0x20/0x20 [ 37.414866] ? print_irqtrace_events+0x270/0x270 [ 37.419619] ? reacquire_held_locks+0x1f9/0x3e0 [ 37.424274] ? reacquire_held_locks+0x1f9/0x3e0 [ 37.428938] ? check_noncircular+0x20/0x20 [ 37.433160] ? task_will_free_mem+0x252/0xaa0 [ 37.437637] ? check_noncircular+0x20/0x20 [ 37.441865] ? print_irqtrace_events+0x270/0x270 [ 37.446622] ? ___ratelimit+0x30d/0x630 [ 37.450585] ? lock_downgrade+0x980/0x980 [ 37.454733] ? lock_release+0xa40/0xa40 [ 37.458701] ? mark_held_locks+0xaf/0x100 [ 37.462839] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 37.467943] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.472952] ? trace_hardirqs_on+0xd/0x10 [ 37.477097] ? ___ratelimit+0x95/0x630 [ 37.480977] ? idr_get_free_cmn+0xfd0/0xfd0 [ 37.485286] ? check_noncircular+0x20/0x20 [ 37.489520] oom_kill_process+0x81b/0x9f0 [ 37.493659] ? oom_badness+0xd1/0x980 [ 37.497443] ? lock_release+0xa40/0xa40 [ 37.501414] ? oom_kill_memcg_member+0x20/0x20 [ 37.505991] ? oom_evaluate_task+0x480/0x480 [ 37.510398] ? out_of_memory+0xe1c/0x1790 [ 37.514536] ? lock_downgrade+0x980/0x980 [ 37.518675] ? lock_release+0xa40/0xa40 [ 37.522631] ? find_next_bit+0xcc/0x100 [ 37.526607] ? oom_evaluate_task+0x284/0x480 [ 37.531012] out_of_memory+0x9d5/0x1790 [ 37.534988] ? oom_killer_disable+0x310/0x310 [ 37.539479] ? mutex_trylock+0x23a/0x2d0 [ 37.543524] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 37.548447] ? __lock_is_held+0xb6/0x140 [ 37.552496] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 37.557956] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 37.562804] ? trace_hardirqs_on+0xd/0x10 [ 37.566970] ? warn_alloc+0x2b0/0x2b0 [ 37.570758] ? lock_downgrade+0x980/0x980 [ 37.574911] ? radix_tree_lookup_slot+0x99/0xe0 [ 37.579590] ? find_get_entry+0x53c/0x9e0 [ 37.583764] ? __lock_acquire+0x664/0x3e00 [ 37.588012] ? __lock_is_held+0xb6/0x140 [ 37.592089] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 37.597979] ? __might_sleep+0x95/0x190 [ 37.601958] __alloc_pages_nodemask+0x9fb/0xd80 [ 37.606626] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 37.611631] ? add_to_page_cache_lru+0x510/0x510 [ 37.616383] ? check_noncircular+0x20/0x20 [ 37.620608] ? check_noncircular+0x20/0x20 [ 37.624840] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 37.629624] alloc_pages_current+0xb6/0x1e0 [ 37.633942] __page_cache_alloc+0x334/0x500 [ 37.638250] ? rcu_read_lock_held+0xa9/0xc0 [ 37.642563] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 37.649937] filemap_fault+0xf34/0x1ca0 [ 37.653910] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 37.659103] ? __lock_page_or_retry+0x4f0/0x4f0 [ 37.663773] ? filemap_map_pages+0x942/0x15d0 [ 37.668261] ? find_get_entries_tag+0xeb0/0xeb0 [ 37.672919] ? __lock_acquire+0x664/0x3e00 [ 37.677129] ? check_noncircular+0x20/0x20 [ 37.681339] ? print_irqtrace_events+0x270/0x270 [ 37.686065] ? add_wait_queue+0x290/0x290 [ 37.690185] ? print_irqtrace_events+0x270/0x270 [ 37.694912] ? print_irqtrace_events+0x270/0x270 [ 37.699635] ? print_irqtrace_events+0x270/0x270 [ 37.704368] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 37.709534] ? free_obj_work+0x690/0x690 [ 37.713568] ? cpumask_local_spread+0x260/0x260 [ 37.718211] ? lock_acquire+0x1d5/0x580 [ 37.722162] ? lock_acquire+0x1d5/0x580 [ 37.726105] ? ext4_filemap_fault+0x7a/0xad [ 37.730406] ? __lock_acquire+0x664/0x3e00 [ 37.734612] ? lock_release+0xa40/0xa40 [ 37.738556] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 37.744417] ? rcu_note_context_switch+0x710/0x710 [ 37.749318] ? __might_sleep+0x95/0x190 [ 37.753265] ? down_read+0x96/0x150 [ 37.756867] ? ext4_filemap_fault+0x7a/0xad [ 37.761159] ? __down_interruptible+0x6b0/0x6b0 [ 37.766032] ext4_filemap_fault+0x82/0xad [ 37.770154] __do_fault+0xeb/0x315 [ 37.773666] ? pte_offset_kernel+0xc7/0xc7 [ 37.777870] ? do_raw_spin_trylock+0x190/0x190 [ 37.782429] ? check_noncircular+0x20/0x20 [ 37.786639] __handle_mm_fault+0x1d8f/0x3ce0 [ 37.791031] ? __pmd_alloc+0x4e0/0x4e0 [ 37.794898] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.799891] ? find_held_lock+0x35/0x1d0 [ 37.803931] ? handle_mm_fault+0x2a0/0x930 [ 37.808135] ? lock_downgrade+0x980/0x980 [ 37.812272] handle_mm_fault+0x38f/0x930 [ 37.816300] ? down_read_trylock+0xdb/0x170 [ 37.820594] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 37.825326] ? vmacache_find+0x5f/0x280 [ 37.829267] ? vmacache_update+0xfe/0x130 [ 37.833386] ? find_vma+0x30/0x150 [ 37.836906] __do_page_fault+0x5c9/0xc90 [ 37.840941] ? mm_fault_error+0x2c0/0x2c0 [ 37.845057] ? exit_to_usermode_loop+0x8c/0x2f0 [ 37.849702] do_page_fault+0xee/0x720 [ 37.853472] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 37.858980] ? __do_page_fault+0xc90/0xc90 [ 37.863191] ? syscall_return_slowpath+0x2ad/0x550 [ 37.868091] ? prepare_exit_to_usermode+0x340/0x340 [ 37.873079] ? retint_user+0x18/0x18 [ 37.876762] ? page_fault+0x36/0x60 [ 37.880358] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.885173] ? page_fault+0x36/0x60 [ 37.889911] page_fault+0x4c/0x60 [ 37.893333] RIP: 0033:0x7f4306879410 [ 37.897015] RSP: 002b:00007ffff8e0c708 EFLAGS: 00010202 [ 37.902354] RAX: 0000000000000000 RBX: 00007ffff8e0ce80 RCX: 00007f4306931dd3 [ 37.910281] RDX: 00007ffff8e0c740 RSI: 00007ffff8e0c870 RDI: 0000000000000011 [ 37.917522] RBP: 00007ffff8e0d030 R08: 00007ffff8e0d0b0 R09: 0000000000000001 [ 37.924765] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 37.932145] R13: 00007ffff8e0d410 R14: 0000000000000000 R15: 0000000000000000 [ 37.939510] Mem-Info: [ 37.942443] active_anon:3513 inactive_anon:61 isolated_anon:0 [ 37.942443] active_file:13 inactive_file:13 isolated_file:0 [ 37.942443] unevictable:0 dirty:0 writeback:0 unstable:0 [ 37.942443] slab_reclaimable:7242 slab_unreclaimable:83033 [ 37.942443] mapped:2 shmem:68 pagetables:307 bounce:0 [ 37.942443] free:24329 free_pcp:116 free_cma:0 [ 37.974631] Node 0 active_anon:14052kB inactive_anon:244kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 38.001455] 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 [ 38.027585] lowmem_reserve[]: 0 2870 6381 6381 [ 38.032198] Node 0 DMA32 free:44352kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 38.059475] lowmem_reserve[]: 0 0 3510 3510 [ 38.063828] Node 0 Normal free:37056kB min:37084kB low:46352kB high:55620kB active_anon:14024kB inactive_anon:240kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3008kB pagetables:1228kB bounce:0kB free_pcp:464kB local_pcp:312kB free_cma:0kB [ 38.092902] lowmem_reserve[]: 0 0 0 0 [ 38.096859] 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 [ 38.110601] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 5*16kB (UM) 4*32kB (UM) 5*64kB (M) 6*128kB (UM) 6*256kB (UM) 3*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44352kB [ 38.126124] Node 0 Normal: 478*4kB (UMEH) 371*8kB (UMH) 255*16kB (MEH) 166*32kB (UMEH) 73*64kB (UME) 32*128kB (UMH) 21*256kB (UM) 9*512kB (M) 0*1024kB 2*2048kB (M) 0*4096kB = 37120kB [ 38.142600] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 38.151197] 94 total pagecache pages [ 38.154935] 0 pages in swap cache [ 38.158391] Swap cache stats: add 0, delete 0, find 0/0 [ 38.163761] Free swap = 0kB [ 38.166787] Total swap = 0kB [ 38.169801] 1965979 pages RAM [ 38.172908] 0 pages HighMem/MovableOnly [ 38.176897] 327762 pages reserved [ 38.180353] Unreclaimable slab info: [ 38.184078] Name Used Total [ 38.189631] hashtab_node 118KB 119KB [ 38.195009] ebitmap_node 382KB 385KB [ 38.200422] avtab_node 1012KB 1013KB [ 38.205810] TIPC 1KB 7KB [ 38.211197] SCTPv6 2KB 4KB [ 38.216584] DCCPv6 2KB 7KB [ 38.222152] DCCP 2KB 6KB [ 38.227554] fib6_nodes 0KB 4KB [ 38.232937] ip6_dst_cache 5KB 7KB [ 38.238320] RAWv6 9KB 13KB [ 38.243705] UDPv6 12KB 14KB [ 38.249088] TCPv6 2KB 5KB [ 38.254486] sd_ext_cdb 0KB 3KB [ 38.259875] scsi_sense_cache 61KB 112KB [ 38.265269] virtio_scsi_cmd 16KB 16KB [ 38.270655] sgpool-128 8KB 8KB [ 38.276037] sgpool-64 4KB 6KB [ 38.281418] sgpool-32 46KB 55KB [ 38.286800] sgpool-16 25KB 30KB [ 38.292559] sgpool-8 165KB 168KB [ 38.297981] cfq_io_cq 15KB 19KB [ 38.303391] cfq_queue 24KB 30KB [ 38.308773] mqueue_inode_cache 1KB 7KB [ 38.314245] nfs_commit_data 3KB 7KB [ 38.319629] nfs_write_data 34KB 37KB [ 38.325044] jbd2_inode 1KB 3KB [ 38.330432] ext4_system_zone 0KB 3KB [ 38.335856] bio-1 1KB 3KB [ 38.341269] rpc_buffers 17KB 19KB [ 38.346654] rpc_tasks 2KB 3KB [ 38.352084] UNIX 780KB 784KB [ 38.358384] tcp_bind_bucket 0KB 4KB [ 38.364637] ip_fib_trie 0KB 3KB [ 38.370865] ip_fib_alias 0KB 3KB [ 38.376883] ip_dst_cache 3KB 8KB [ 38.382916] RAW 5KB 7KB [ 38.388909] UDP 29KB 31KB [ 38.394867] TCP 7KB 15KB [ 38.400860] hugetlbfs_inode_cache 1KB 7KB [ 38.407443] eventpoll_pwq 11KB 15KB [ 38.413643] eventpoll_epi 21KB 27KB [ 38.419798] inotify_inode_mark 3KB 7KB [ 38.425873] request_queue 42KB 114KB [ 38.431851] blkdev_ioc 21KB 27KB [ 38.437858] bio-0 251KB 251KB [ 38.444131] biovec-(1<<(21-12)) 371KB 371KB [ 38.449721] biovec-64 94KB 94KB [ 38.455109] biovec-16 10KB 15KB [ 38.460496] bio_integrity_payload 0KB 4KB [ 38.466232] khugepaged_mm_slot 0KB 3KB [ 38.471709] uid_cache 0KB 3KB [ 38.477091] dmaengine-unmap-2 0KB 3KB [ 38.482481] audit_buffer 0KB 3KB [ 38.487907] skbuff_fclone_cache 130KB 135KB [ 38.493465] skbuff_head_cache 1665KB 1665KB [ 38.498834] configfs_dir_cache 0KB 4KB [ 38.504302] file_lock_cache 160KB 162KB [ 38.509692] file_lock_ctx 1KB 3KB [ 38.515073] fsnotify_mark_connector 2KB 3KB [ 38.520977] shmem_inode_cache 1037KB 1038KB [ 38.526358] task_delay_info 302KB 355KB [ 38.531739] sigqueue 347KB 350KB [ 38.537117] kernfs_node_cache 2161KB 2165KB [ 38.542500] mnt_cache 15KB 20KB [ 38.547888] filp 8439KB 8628KB [ 38.553311] names_cache 111401KB 111430KB [ 38.559593] avc_node 37KB 39KB [ 38.565748] selinux_file_security 422KB 453KB [ 38.571491] selinux_inode_security 1936KB 1940KB [ 38.577313] key_jar 3KB 7KB [ 38.582696] nsproxy 0KB 3KB [ 38.588083] vm_area_struct 18051KB 18059KB [ 38.593468] mm_struct 4307KB 4312KB [ 38.598856] fs_cache 404KB 428KB [ 38.604236] files_cache 1515KB 1518KB [ 38.609621] signal_cache 2417KB 2422KB [ 38.615007] sighand_cache 215KB 312KB [ 38.620430] task_struct 10320KB 10320KB [ 38.625813] cred_jar 2276KB 2280KB [ 38.631203] anon_vma_chain 7506KB 7512KB [ 38.636585] anon_vma 125KB 288KB [ 38.641966] pid 210KB 248KB [ 38.647346] Acpi-Operand 106KB 170KB [ 38.652735] Acpi-State 0KB 3KB [ 38.658122] Acpi-Namespace 19KB 23KB [ 38.663493] numa_policy 0KB 3KB [ 38.668881] debug_objects_cache 504KB 504KB [ 38.674425] trace_event_file 145KB 147KB [ 38.679799] ftrace_event_field 257KB 259KB [ 38.685261] pool_workqueue 22KB 24KB [ 38.690636] page->ptl 2964KB 2968KB [ 38.696056] kmalloc-262144 1032KB 1032KB [ 38.701440] kmalloc-131072 650KB 650KB [ 38.706852] kmalloc-65536 264KB 264KB [ 38.712230] kmalloc-32768 627KB 627KB [ 38.717610] kmalloc-16384 148KB 148KB [ 38.722994] kmalloc-8192 503KB 503KB [ 38.728381] kmalloc-4096 8002KB 8032KB [ 38.733763] kmalloc-2048 4201KB 4201KB [ 38.739147] kmalloc-1024 2835KB 2842KB [ 38.744530] kmalloc-512 2661KB 2887KB [ 38.749919] kmalloc-256 1990KB 2388KB [ 38.755407] kmalloc-128 395KB 531KB [ 38.761715] kmalloc-96 2052KB 2052KB [ 38.767142] kmalloc-64 2464KB 2464KB [ 38.772531] kmalloc-32 2388KB 2397KB [ 38.777907] kmalloc-192 901KB 904KB [ 38.783290] kmem_cache 100KB 101KB [ 38.788663] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 38.797293] [ 1783] 0 1783 5384 175 86016 0 -1000 udevd [ 38.805499] [ 3359] 0 3359 14298 174 122880 0 0 rsyslogd [ 38.813937] [ 3414] 0 3414 4725 51 86016 0 0 cron [ 38.822069] [ 3432] 0 3432 3737 45 73728 0 0 mcstransd [ 38.830602] [ 3457] 0 3457 12490 153 135168 0 -1000 sshd [ 38.838694] [ 3484] 0 3484 3694 42 73728 0 0 getty [ 38.846900] [ 3485] 0 3485 3694 40 77824 0 0 getty [ 38.855080] [ 3486] 0 3486 3694 40 77824 0 0 getty [ 38.863261] [ 3487] 0 3487 3694 39 77824 0 0 getty [ 38.871440] [ 3488] 0 3488 3694 40 73728 0 0 getty [ 38.879598] [ 3489] 0 3489 3694 41 73728 0 0 getty [ 38.887784] [ 3490] 0 3490 3649 40 77824 0 0 getty [ 38.895970] [ 3494] 0 3494 5681 454 90112 0 -1000 udevd [ 38.904155] [ 3495] 0 3495 5681 454 90112 0 -1000 udevd [ 38.912339] [ 3512] 0 3512 17821 197 184320 0 0 sshd [ 38.920440] [ 3514] 0 3514 280 1 32768 0 0 syzkaller016496 [ 38.929484] [ 3515] 0 3515 4375 0 32768 0 0 syzkaller016496 [ 38.938512] [ 3516] 0 3516 4375 0 32768 0 0 syzkaller016496 [ 38.947743] [ 3517] 0 3517 4375 0 32768 0 0 syzkaller016496 [ 38.956789] [ 3518] 0 3518 4375 0 32768 0 0 syzkaller016496 [ 38.965829] [ 3519] 0 3519 4375 0 32768 0 0 syzkaller016496 [ 38.974856] [ 3520] 0 3520 4375 524 36864 0 0 syzkaller016496 [ 38.983893] [ 3521] 0 3521 4375 524 36864 0 0 syzkaller016496 [ 38.992921] [ 3522] 0 3522 4375 524 36864 0 0 syzkaller016496 [ 39.001953] Out of memory: Kill process 3520 (syzkaller016496) score 0 or sacrifice child [ 39.010346] Killed process 3520 (syzkaller016496) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 39.025762] oom_reaper: reaped process 3520 (syzkaller016496), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 39.039341] syzkaller016496 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 39.051720] syzkaller016496 cpuset=/ mems_allowed=0 [ 39.056771] CPU: 1 PID: 3521 Comm: syzkaller016496 Not tainted 4.15.0-rc7-next-20180111+ #94 [ 39.065343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.074671] Call Trace: [ 39.077236] dump_stack+0x194/0x257 [ 39.080843] ? arch_local_irq_restore+0x53/0x53 [ 39.085497] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 39.090667] dump_header+0x28c/0xe2b [ 39.094358] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 39.099519] ? pagefault_out_of_memory+0x145/0x145 [ 39.104423] ? print_irqtrace_events+0x270/0x270 [ 39.109154] ? avc_has_perm_noaudit+0x37e/0x520 [ 39.113792] ? check_noncircular+0x20/0x20 [ 39.117993] ? check_noncircular+0x20/0x20 [ 39.122200] ? print_irqtrace_events+0x270/0x270 [ 39.126926] ? reacquire_held_locks+0x1f9/0x3e0 [ 39.131561] ? reacquire_held_locks+0x1f9/0x3e0 [ 39.136198] ? check_noncircular+0x20/0x20 [ 39.140399] ? task_will_free_mem+0x252/0xaa0 [ 39.144861] ? check_noncircular+0x20/0x20 [ 39.149070] ? print_irqtrace_events+0x270/0x270 [ 39.153800] ? ___ratelimit+0x30d/0x630 [ 39.157744] ? lock_downgrade+0x980/0x980 [ 39.161864] ? lock_release+0xa40/0xa40 [ 39.165810] ? mark_held_locks+0xaf/0x100 [ 39.169926] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 39.174999] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 39.179988] ? trace_hardirqs_on+0xd/0x10 [ 39.184121] ? ___ratelimit+0x95/0x630 [ 39.187978] ? idr_get_free_cmn+0xfd0/0xfd0 [ 39.192272] ? check_noncircular+0x20/0x20 [ 39.197295] oom_kill_process+0x81b/0x9f0 [ 39.201424] ? oom_badness+0xd1/0x980 [ 39.205194] ? lock_release+0xa40/0xa40 [ 39.209144] ? oom_kill_memcg_member+0x20/0x20 [ 39.213701] ? oom_evaluate_task+0x480/0x480 [ 39.218087] ? out_of_memory+0xe1c/0x1790 [ 39.222215] ? lock_downgrade+0x980/0x980 [ 39.226337] ? lock_release+0xa40/0xa40 [ 39.230284] ? find_next_bit+0xcc/0x100 [ 39.234238] ? oom_evaluate_task+0x284/0x480 [ 39.238619] out_of_memory+0x9d5/0x1790 [ 39.242570] ? oom_killer_disable+0x310/0x310 [ 39.247050] ? mutex_trylock+0x23a/0x2d0 [ 39.251079] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 39.255977] ? __lock_is_held+0xb6/0x140 [ 39.260020] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 39.265449] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 39.270300] ? warn_alloc+0x2b0/0x2b0 [ 39.274073] ? lock_release+0xa40/0xa40 [ 39.278027] ? print_irqtrace_events+0x270/0x270 [ 39.282758] ? find_held_lock+0x35/0x1d0 [ 39.286807] ? __mutex_lock+0x5bd/0x1a80 [ 39.290844] ? __lock_acquire+0x664/0x3e00 [ 39.295050] ? lock_release+0xa40/0xa40 [ 39.298997] ? memset+0x31/0x40 [ 39.302252] ? do_raw_spin_trylock+0x190/0x190 [ 39.306823] ? __lock_is_held+0xb6/0x140 [ 39.310868] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 39.316721] ? find_held_lock+0x35/0x1d0 [ 39.320761] ? __might_sleep+0x95/0x190 [ 39.324708] __alloc_pages_nodemask+0x9fb/0xd80 [ 39.329348] ? vmap_page+0x1c5/0x2a0 [ 39.333035] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 39.338032] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 39.342937] ? print_irqtrace_events+0x270/0x270 [ 39.347679] ? __lock_is_held+0xb6/0x140 [ 39.351717] ? find_next_bit+0xcc/0x100 [ 39.355666] pcpu_populate_chunk+0x1b3/0x880 [ 39.360044] ? find_next_bit+0x17/0x100 [ 39.364011] pcpu_alloc+0x978/0x10e0 [ 39.367709] ? pcpu_free_area+0xa00/0xa00 [ 39.371837] ? vmap_page_range_noflush+0x155/0x240 [ 39.376745] ? unmap_kernel_range+0x30/0x30 [ 39.381045] ? rcu_note_context_switch+0x710/0x710 [ 39.385945] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 39.391802] ? map_vm_area+0x9e/0xd0 [ 39.395488] ? __vmalloc_node_range+0x37a/0x650 [ 39.400135] ? array_map_alloc+0x351/0xa00 [ 39.404339] ? __vmalloc_node_flags_caller+0x50/0x60 [ 39.409415] __alloc_percpu_gfp+0x27/0x30 [ 39.413533] array_map_alloc+0x778/0xa00 [ 39.417570] SyS_bpf+0x7f8/0x4400 [ 39.420994] ? perf_event_mmap+0x115/0x12a0 [ 39.425289] ? bpf_prog_get+0x20/0x20 [ 39.429060] ? perf_event_fork+0x30/0x30 [ 39.433100] ? __lock_is_held+0xb6/0x140 [ 39.437130] ? check_noncircular+0x20/0x20 [ 39.441333] ? vma_wants_writenotify+0x51/0x3b0 [ 39.445974] ? __handle_mm_fault+0x80e/0x3ce0 [ 39.450443] ? check_noncircular+0x20/0x20 [ 39.454645] ? __pmd_alloc+0x4e0/0x4e0 [ 39.458497] ? vma_link+0xe9/0x170 [ 39.462035] ? find_held_lock+0x35/0x1d0 [ 39.466074] ? handle_mm_fault+0x2a0/0x930 [ 39.470289] ? find_held_lock+0x35/0x1d0 [ 39.474326] ? __do_page_fault+0x5f7/0xc90 [ 39.478530] ? lock_downgrade+0x980/0x980 [ 39.482653] ? handle_mm_fault+0x476/0x930 [ 39.486856] ? down_read_trylock+0xdb/0x170 [ 39.491157] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 39.495707] ? vmacache_find+0x5f/0x280 [ 39.499648] ? vmacache_update+0xfe/0x130 [ 39.503769] ? up_read+0x1a/0x40 [ 39.507106] ? __do_page_fault+0x3d6/0xc90 [ 39.511315] ? mm_fault_error+0x2c0/0x2c0 [ 39.515440] ? do_page_fault+0xee/0x720 [ 39.519382] ? __do_page_fault+0xc90/0xc90 [ 39.523593] ? SyS_mmap_pgoff+0x243/0x5f0 [ 39.527719] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 39.532451] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 39.537174] RIP: 0033:0x440139 [ 39.540329] RSP: 002b:00007ffcc8a92fb8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 39.548006] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 39.555253] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 39.562490] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 39.569735] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 39.576982] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 39.584317] Mem-Info: [ 39.587566] active_anon:2997 inactive_anon:61 isolated_anon:0 [ 39.587566] active_file:12 inactive_file:2 isolated_file:0 [ 39.587566] unevictable:0 dirty:0 writeback:0 unstable:0 [ 39.587566] slab_reclaimable:7242 slab_unreclaimable:83031 [ 39.587566] mapped:2 shmem:68 pagetables:307 bounce:0 [ 39.587566] free:22483 free_pcp:34 free_cma:0 [ 39.619544] Node 0 active_anon:11988kB inactive_anon:244kB active_file:48kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 39.646199] 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 [ 39.672344] lowmem_reserve[]: 0 2870 6381 6381 [ 39.676958] Node 0 DMA32 free:44352kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 39.704241] lowmem_reserve[]: 0 0 3510 3510 [ 39.708600] Node 0 Normal free:29672kB min:37084kB low:46352kB high:55620kB active_anon:11960kB inactive_anon:240kB active_file:48kB inactive_file:8kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3008kB pagetables:1228kB bounce:0kB free_pcp:136kB local_pcp:0kB free_cma:0kB [ 39.738255] lowmem_reserve[]: 0 0 0 0 [ 39.742095] 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 [ 39.755754] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 5*16kB (UM) 4*32kB (UM) 5*64kB (M) 6*128kB (UM) 6*256kB (UM) 3*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44352kB [ 39.771313] Node 0 Normal: 429*4kB (UMEH) 330*8kB (UMH) 233*16kB (UME) 154*32kB (UMEH) 64*64kB (UME) 29*128kB (UMH) 19*256kB (M) 8*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 29780kB [ 39.787501] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 39.796098] 94 total pagecache pages [ 39.799836] 0 pages in swap cache [ 39.803314] Swap cache stats: add 0, delete 0, find 0/0 [ 39.808691] Free swap = 0kB [ 39.811720] Total swap = 0kB [ 39.814749] 1965979 pages RAM [ 39.817851] 0 pages HighMem/MovableOnly [ 39.821830] 327762 pages reserved [ 39.825296] Unreclaimable slab info: [ 39.829037] Name Used Total [ 39.834596] hashtab_node 118KB 119KB [ 39.839984] ebitmap_node 382KB 385KB [ 39.845372] avtab_node 1012KB 1013KB [ 39.850767] TIPC 1KB 7KB [ 39.856157] SCTPv6 2KB 4KB [ 39.861547] DCCPv6 2KB 7KB [ 39.867725] DCCP 2KB 6KB [ 39.873137] fib6_nodes 0KB 4KB [ 39.878521] ip6_dst_cache 5KB 7KB [ 39.883908] RAWv6 9KB 13KB [ 39.889301] UDPv6 12KB 14KB [ 39.894686] TCPv6 2KB 5KB [ 39.900086] sd_ext_cdb 0KB 3KB [ 39.905475] scsi_sense_cache 61KB 112KB [ 39.910860] virtio_scsi_cmd 16KB 16KB [ 39.916257] sgpool-128 8KB 8KB [ 39.921644] sgpool-64 4KB 6KB [ 39.927045] sgpool-32 55KB 55KB [ 39.932466] sgpool-16 25KB 30KB [ 39.937852] sgpool-8 172KB 172KB [ 39.943226] cfq_io_cq 15KB 19KB [ 39.948602] cfq_queue 24KB 30KB [ 39.953992] mqueue_inode_cache 1KB 7KB [ 39.959468] nfs_commit_data 3KB 7KB [ 39.964854] nfs_write_data 34KB 37KB [ 39.970246] jbd2_inode 1KB 3KB [ 39.975629] ext4_system_zone 0KB 3KB [ 39.981051] bio-1 1KB 3KB [ 39.986454] rpc_buffers 17KB 19KB [ 39.991842] rpc_tasks 2KB 3KB [ 39.997249] UNIX 780KB 784KB [ 40.003424] tcp_bind_bucket 0KB 4KB [ 40.008824] ip_fib_trie 0KB 3KB [ 40.014213] ip_fib_alias 0KB 3KB [ 40.019597] ip_dst_cache 3KB 8KB [ 40.024984] RAW 5KB 7KB [ 40.030373] UDP 29KB 31KB [ 40.035841] TCP 7KB 15KB [ 40.041239] hugetlbfs_inode_cache 1KB 7KB [ 40.046976] eventpoll_pwq 11KB 15KB [ 40.052365] eventpoll_epi 21KB 27KB [ 40.057748] inotify_inode_mark 3KB 7KB [ 40.063258] request_queue 42KB 114KB [ 40.068646] blkdev_ioc 21KB 27KB [ 40.074044] bio-0 262KB 262KB [ 40.079428] biovec-(1<<(21-12)) 371KB 371KB [ 40.084989] biovec-64 94KB 94KB [ 40.090380] biovec-16 15KB 15KB [ 40.095773] bio_integrity_payload 0KB 4KB [ 40.101513] khugepaged_mm_slot 0KB 3KB [ 40.106999] uid_cache 0KB 3KB [ 40.112436] dmaengine-unmap-2 0KB 3KB [ 40.117830] audit_buffer 0KB 3KB [ 40.123222] skbuff_fclone_cache 130KB 135KB [ 40.128822] skbuff_head_cache 1663KB 1665KB [ 40.134216] configfs_dir_cache 0KB 4KB [ 40.140479] file_lock_cache 160KB 162KB [ 40.145874] file_lock_ctx 1KB 3KB [ 40.151263] fsnotify_mark_connector 2KB 3KB [ 40.157177] shmem_inode_cache 1037KB 1038KB [ 40.162568] task_delay_info 302KB 355KB [ 40.167966] sigqueue 347KB 350KB [ 40.173353] kernfs_node_cache 2161KB 2165KB [ 40.178740] mnt_cache 15KB 20KB [ 40.184125] filp 8437KB 8628KB [ 40.189512] names_cache 111401KB 111430KB [ 40.194933] avc_node 37KB 39KB [ 40.200326] selinux_file_security 422KB 453KB [ 40.206064] selinux_inode_security 1936KB 1940KB [ 40.211893] key_jar 3KB 7KB [ 40.217264] nsproxy 0KB 3KB [ 40.222643] vm_area_struct 18051KB 18059KB [ 40.228045] mm_struct 4307KB 4312KB [ 40.233433] fs_cache 404KB 428KB [ 40.238845] files_cache 1515KB 1518KB [ 40.244233] signal_cache 2417KB 2422KB [ 40.249622] sighand_cache 215KB 312KB [ 40.255031] task_struct 10320KB 10320KB [ 40.260448] cred_jar 2276KB 2280KB [ 40.265835] anon_vma_chain 7506KB 7512KB [ 40.271974] anon_vma 125KB 288KB [ 40.277369] pid 210KB 248KB [ 40.282756] Acpi-Operand 106KB 170KB [ 40.288145] Acpi-State 0KB 3KB [ 40.293529] Acpi-Namespace 19KB 23KB [ 40.298913] numa_policy 0KB 3KB [ 40.304298] debug_objects_cache 504KB 504KB [ 40.309860] trace_event_file 145KB 147KB [ 40.315229] ftrace_event_field 257KB 259KB [ 40.320696] pool_workqueue 22KB 24KB [ 40.326109] page->ptl 2964KB 2968KB [ 40.331520] kmalloc-262144 1032KB 1032KB [ 40.336904] kmalloc-131072 650KB 650KB [ 40.342274] kmalloc-65536 264KB 264KB [ 40.347654] kmalloc-32768 627KB 627KB [ 40.353056] kmalloc-16384 148KB 148KB [ 40.358445] kmalloc-8192 503KB 503KB [ 40.363832] kmalloc-4096 8002KB 8032KB [ 40.369222] kmalloc-2048 4201KB 4201KB [ 40.374611] kmalloc-1024 2835KB 2842KB [ 40.380000] kmalloc-512 2654KB 2887KB [ 40.385413] kmalloc-256 1990KB 2388KB [ 40.390815] kmalloc-128 395KB 531KB [ 40.396204] kmalloc-96 2052KB 2052KB [ 40.402377] kmalloc-64 2464KB 2464KB [ 40.407769] kmalloc-32 2388KB 2397KB [ 40.413157] kmalloc-192 904KB 904KB [ 40.418544] kmem_cache 100KB 101KB [ 40.423928] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 40.432565] [ 1783] 0 1783 5384 175 86016 0 -1000 udevd [ 40.440744] [ 3359] 0 3359 14298 174 122880 0 0 rsyslogd [ 40.449209] [ 3414] 0 3414 4725 51 86016 0 0 cron [ 40.457331] [ 3432] 0 3432 3737 45 73728 0 0 mcstransd [ 40.465865] [ 3457] 0 3457 12490 153 135168 0 -1000 sshd [ 40.473952] [ 3484] 0 3484 3694 42 73728 0 0 getty [ 40.482126] [ 3485] 0 3485 3694 40 77824 0 0 getty [ 40.490311] [ 3486] 0 3486 3694 40 77824 0 0 getty [ 40.498493] [ 3487] 0 3487 3694 39 77824 0 0 getty [ 40.506673] [ 3488] 0 3488 3694 40 73728 0 0 getty [ 40.514852] [ 3489] 0 3489 3694 41 73728 0 0 getty [ 40.523078] [ 3490] 0 3490 3649 40 77824 0 0 getty [ 40.531256] [ 3494] 0 3494 5681 454 90112 0 -1000 udevd [ 40.539462] [ 3495] 0 3495 5681 454 90112 0 -1000 udevd [ 40.547642] [ 3512] 0 3512 17821 197 184320 0 0 sshd [ 40.555731] [ 3514] 0 3514 280 1 32768 0 0 syzkaller016496 [ 40.564865] [ 3515] 0 3515 4375 0 32768 0 0 syzkaller016496 [ 40.573911] [ 3516] 0 3516 4375 0 32768 0 0 syzkaller016496 [ 40.582956] [ 3517] 0 3517 4375 0 32768 0 0 syzkaller016496 [ 40.592064] [ 3518] 0 3518 4375 0 32768 0 0 syzkaller016496 [ 40.601105] [ 3519] 0 3519 4375 0 32768 0 0 syzkaller016496 [ 40.610140] [ 3520] 0 3520 4375 0 32768 0 0 syzkaller016496 [ 40.619188] [ 3521] 0 3521 4375 524 36864 0 0 syzkaller016496 [ 40.628233] [ 3522] 0 3522 4375 524 36864 0 0 syzkaller016496 [ 40.637268] Out of memory: Kill process 3521 (syzkaller016496) score 0 or sacrifice child [ 40.646152] Killed process 3521 (syzkaller016496) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 40.658280] oom_reaper: reaped process 3521 (syzkaller016496), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 40.759753] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 40.770858] init cpuset=/ mems_allowed=0 [ 40.774953] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc7-next-20180111+ #94 [ 40.782295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.791650] Call Trace: [ 40.794241] dump_stack+0x194/0x257 [ 40.797864] ? arch_local_irq_restore+0x53/0x53 [ 40.802520] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.807730] dump_header+0x28c/0xe2b [ 40.811429] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.816607] ? pagefault_out_of_memory+0x145/0x145 [ 40.821552] ? print_irqtrace_events+0x270/0x270 [ 40.826299] ? avc_has_perm_noaudit+0x37e/0x520 [ 40.830963] ? check_noncircular+0x20/0x20 [ 40.835204] ? check_noncircular+0x20/0x20 [ 40.839430] ? print_irqtrace_events+0x270/0x270 [ 40.844186] ? reacquire_held_locks+0x1f9/0x3e0 [ 40.848838] ? reacquire_held_locks+0x1f9/0x3e0 [ 40.853492] ? check_noncircular+0x20/0x20 [ 40.857711] ? task_will_free_mem+0x252/0xaa0 [ 40.862195] ? check_noncircular+0x20/0x20 [ 40.866423] ? print_irqtrace_events+0x270/0x270 [ 40.871181] ? ___ratelimit+0x30d/0x630 [ 40.875141] ? lock_downgrade+0x980/0x980 [ 40.879288] ? lock_release+0xa40/0xa40 [ 40.883248] ? mark_held_locks+0xaf/0x100 [ 40.889197] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 40.894303] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.899311] ? trace_hardirqs_on+0xd/0x10 [ 40.903452] ? ___ratelimit+0x95/0x630 [ 40.908335] ? idr_get_free_cmn+0xfd0/0xfd0 [ 40.912662] ? check_noncircular+0x20/0x20 [ 40.917062] oom_kill_process+0x81b/0x9f0 [ 40.921203] ? oom_badness+0xd1/0x980 [ 40.924995] ? lock_release+0xa40/0xa40 [ 40.928952] ? oom_kill_memcg_member+0x20/0x20 [ 40.933523] ? oom_evaluate_task+0x480/0x480 [ 40.937919] ? out_of_memory+0xe1c/0x1790 [ 40.942054] ? lock_downgrade+0x980/0x980 [ 40.946196] ? lock_release+0xa40/0xa40 [ 40.950151] ? find_next_bit+0xcc/0x100 [ 40.954123] ? oom_evaluate_task+0x284/0x480 [ 40.958528] out_of_memory+0x9d5/0x1790 [ 40.962496] ? oom_killer_disable+0x310/0x310 [ 40.966985] ? mutex_trylock+0x23a/0x2d0 [ 40.971029] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 40.975944] ? __lock_is_held+0xb6/0x140 [ 40.980003] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 40.985460] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 40.990311] ? trace_hardirqs_on+0xd/0x10 [ 40.994480] ? warn_alloc+0x2b0/0x2b0 [ 40.998263] ? lock_downgrade+0x980/0x980 [ 41.002409] ? radix_tree_lookup_slot+0x99/0xe0 [ 41.007072] ? find_get_entry+0x53c/0x9e0 [ 41.011239] ? __lock_acquire+0x664/0x3e00 [ 41.015487] ? __lock_is_held+0xb6/0x140 [ 41.019545] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 41.025417] ? __might_sleep+0x95/0x190 [ 41.029393] __alloc_pages_nodemask+0x9fb/0xd80 [ 41.034063] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 41.039075] ? add_to_page_cache_lru+0x510/0x510 [ 41.043829] ? check_noncircular+0x20/0x20 [ 41.048049] ? check_noncircular+0x20/0x20 [ 41.052300] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 41.057092] alloc_pages_current+0xb6/0x1e0 [ 41.061427] __page_cache_alloc+0x334/0x500 [ 41.065734] ? rcu_read_lock_held+0xa9/0xc0 [ 41.070039] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 41.077408] filemap_fault+0xf34/0x1ca0 [ 41.081373] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 41.086684] ? __lock_page_or_retry+0x4f0/0x4f0 [ 41.091349] ? filemap_map_pages+0x942/0x15d0 [ 41.095840] ? find_get_entries_tag+0xeb0/0xeb0 [ 41.100502] ? __lock_acquire+0x664/0x3e00 [ 41.104725] ? check_noncircular+0x20/0x20 [ 41.108940] ? print_irqtrace_events+0x270/0x270 [ 41.113689] ? add_wait_queue+0x290/0x290 [ 41.117831] ? print_irqtrace_events+0x270/0x270 [ 41.122568] ? print_irqtrace_events+0x270/0x270 [ 41.127398] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 41.132580] ? free_obj_work+0x690/0x690 [ 41.136635] ? cpumask_local_spread+0x260/0x260 [ 41.141296] ? lock_acquire+0x1d5/0x580 [ 41.145432] ? lock_acquire+0x1d5/0x580 [ 41.149387] ? ext4_filemap_fault+0x7a/0xad [ 41.153695] ? __lock_acquire+0x664/0x3e00 [ 41.157917] ? lock_release+0xa40/0xa40 [ 41.161867] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 41.167742] ? rcu_note_context_switch+0x710/0x710 [ 41.172662] ? __might_sleep+0x95/0x190 [ 41.176626] ? down_read+0x96/0x150 [ 41.180226] ? ext4_filemap_fault+0x7a/0xad [ 41.184527] ? __down_interruptible+0x6b0/0x6b0 [ 41.189186] ext4_filemap_fault+0x82/0xad [ 41.193323] __do_fault+0xeb/0x315 [ 41.196855] ? pte_offset_kernel+0xc7/0xc7 [ 41.201077] ? do_raw_spin_trylock+0x190/0x190 [ 41.205661] ? check_noncircular+0x20/0x20 [ 41.209886] __handle_mm_fault+0x1d8f/0x3ce0 [ 41.214290] ? __pmd_alloc+0x4e0/0x4e0 [ 41.218172] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.223183] ? find_held_lock+0x35/0x1d0 [ 41.227249] ? handle_mm_fault+0x2a0/0x930 [ 41.231475] ? lock_downgrade+0x980/0x980 [ 41.235649] ? sync_mm_rss+0x113/0x180 [ 41.239531] handle_mm_fault+0x38f/0x930 [ 41.243576] ? down_read_trylock+0xdb/0x170 [ 41.247899] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 41.252460] ? vmacache_find+0x5f/0x280 [ 41.256428] ? find_vma+0x30/0x150 [ 41.259956] __do_page_fault+0x5c9/0xc90 [ 41.264008] ? mm_fault_error+0x2c0/0x2c0 [ 41.268153] ? exit_to_usermode_loop+0x8c/0x2f0 [ 41.272830] do_page_fault+0xee/0x720 [ 41.276626] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 41.282158] ? __do_page_fault+0xc90/0xc90 [ 41.286396] ? syscall_return_slowpath+0x2ad/0x550 [ 41.291330] ? prepare_exit_to_usermode+0x340/0x340 [ 41.296341] ? retint_user+0x18/0x18 [ 41.300047] ? page_fault+0x36/0x60 [ 41.303978] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.308829] ? page_fault+0x36/0x60 [ 41.312446] page_fault+0x4c/0x60 [ 41.315881] RIP: 0033:0x402a8d [ 41.319045] RSP: 002b:00007ffff8e0c710 EFLAGS: 00010207 [ 41.324395] RAX: 00007f430725c6a0 RBX: 00007ffff8e0ce80 RCX: 00007f4306931dd3 [ 41.331651] RDX: 00007ffff8e0c740 RSI: 00007ffff8e0c870 RDI: 0000000000000011 [ 41.338906] RBP: 00007ffff8e0d030 R08: 00007ffff8e0d0b0 R09: 0000000000000001 [ 41.346156] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 41.353414] R13: 00007ffff8e0d410 R14: 0000000000000000 R15: 0000000000000000 [ 41.362155] Mem-Info: [ 41.364649] active_anon:2479 inactive_anon:61 isolated_anon:0 [ 41.364649] active_file:26 inactive_file:0 isolated_file:0 [ 41.364649] unevictable:0 dirty:0 writeback:0 unstable:0 [ 41.364649] slab_reclaimable:7242 slab_unreclaimable:83033 [ 41.364649] mapped:2 shmem:68 pagetables:305 bounce:0 [ 41.364649] free:20976 free_pcp:52 free_cma:0 [ 41.396703] Node 0 active_anon:9916kB inactive_anon:244kB active_file:104kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 41.423556] 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 [ 41.449705] lowmem_reserve[]: 0 2870 6381 6381 [ 41.454313] Node 0 DMA32 free:44352kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 41.481599] lowmem_reserve[]: 0 0 3510 3510 [ 41.485951] Node 0 Normal free:23644kB min:37084kB low:46352kB high:55620kB active_anon:9888kB inactive_anon:240kB active_file:96kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3008kB pagetables:1220kB bounce:0kB free_pcp:208kB local_pcp:184kB free_cma:0kB [ 41.514615] lowmem_reserve[]: 0 0 0 0 [ 41.518447] 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 [ 41.532046] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 5*16kB (UM) 4*32kB (UM) 5*64kB (M) 6*128kB (UM) 6*256kB (UM) 3*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44352kB [ 41.547725] Node 0 Normal: 403*4kB (MEH) 312*8kB (UMH) 217*16kB (ME) 140*32kB (UMEH) 55*64kB (UME) 23*128kB (MH) 16*256kB (M) 2*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 23644kB [ 41.563554] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 41.572169] 94 total pagecache pages [ 41.575906] 0 pages in swap cache [ 41.579368] Swap cache stats: add 0, delete 0, find 0/0 [ 41.584742] Free swap = 0kB [ 41.587769] Total swap = 0kB [ 41.590797] 1965979 pages RAM [ 41.593906] 0 pages HighMem/MovableOnly [ 41.597874] 327762 pages reserved [ 41.601329] Unreclaimable slab info: [ 41.605051] Name Used Total [ 41.610610] hashtab_node 118KB 119KB [ 41.615984] ebitmap_node 382KB 385KB [ 41.621358] avtab_node 1012KB 1013KB [ 41.626753] TIPC 1KB 7KB [ 41.632138] SCTPv6 2KB 4KB [ 41.637522] DCCPv6 2KB 7KB [ 41.642903] DCCP 2KB 6KB [ 41.648311] fib6_nodes 0KB 4KB [ 41.653700] ip6_dst_cache 7KB 7KB [ 41.659081] RAWv6 9KB 13KB [ 41.664463] UDPv6 12KB 14KB [ 41.669834] TCPv6 2KB 5KB [ 41.675228] sd_ext_cdb 0KB 3KB [ 41.680619] scsi_sense_cache 61KB 112KB [ 41.686005] virtio_scsi_cmd 16KB 16KB [ 41.691416] sgpool-128 8KB 8KB [ 41.696803] sgpool-64 4KB 6KB [ 41.702187] sgpool-32 55KB 55KB [ 41.707573] sgpool-16 25KB 30KB [ 41.712955] sgpool-8 172KB 172KB [ 41.718339] cfq_io_cq 15KB 19KB [ 41.723703] cfq_queue 24KB 30KB [ 41.729078] mqueue_inode_cache 1KB 7KB [ 41.734555] nfs_commit_data 3KB 7KB [ 41.739940] nfs_write_data 34KB 37KB [ 41.745334] jbd2_inode 1KB 3KB [ 41.750705] ext4_system_zone 0KB 3KB [ 41.756090] bio-1 1KB 3KB [ 41.761576] rpc_buffers 17KB 19KB [ 41.766964] rpc_tasks 2KB 3KB [ 41.772354] UNIX 780KB 784KB [ 41.777727] tcp_bind_bucket 0KB 4KB [ 41.783109] ip_fib_trie 0KB 3KB [ 41.788495] ip_fib_alias 0KB 3KB [ 41.793882] ip_dst_cache 3KB 8KB [ 41.799267] RAW 5KB 7KB [ 41.804653] UDP 29KB 31KB [ 41.810053] TCP 7KB 15KB [ 41.815439] hugetlbfs_inode_cache 1KB 7KB [ 41.821171] eventpoll_pwq 11KB 15KB [ 41.826538] eventpoll_epi 21KB 27KB [ 41.831917] inotify_inode_mark 3KB 7KB [ 41.837390] request_queue 42KB 114KB [ 41.842782] blkdev_ioc 21KB 27KB [ 41.848172] bio-0 262KB 262KB [ 41.853537] biovec-(1<<(21-12)) 371KB 371KB [ 41.859090] biovec-64 94KB 94KB [ 41.864475] biovec-16 15KB 15KB [ 41.869854] bio_integrity_payload 0KB 4KB [ 41.875592] khugepaged_mm_slot 0KB 3KB [ 41.881070] uid_cache 0KB 3KB [ 41.887800] dmaengine-unmap-2 0KB 3KB [ 41.893189] audit_buffer 0KB 3KB [ 41.898568] skbuff_fclone_cache 130KB 135KB [ 41.905327] skbuff_head_cache 1663KB 1665KB [ 41.910825] configfs_dir_cache 0KB 4KB [ 41.916293] file_lock_cache 160KB 162KB [ 41.921679] file_lock_ctx 1KB 3KB [ 41.927421] fsnotify_mark_connector 2KB 3KB [ 41.933590] shmem_inode_cache 1037KB 1038KB [ 41.938974] task_delay_info 302KB 355KB [ 41.944350] sigqueue 347KB 350KB [ 41.949735] kernfs_node_cache 2161KB 2165KB [ 41.955132] mnt_cache 15KB 20KB [ 41.960517] filp 8437KB 8628KB [ 41.965901] names_cache 111401KB 111430KB [ 41.971327] avc_node 37KB 39KB [ 41.976699] selinux_file_security 422KB 453KB [ 41.982423] selinux_inode_security 1936KB 1940KB [ 41.988241] key_jar 3KB 7KB [ 41.993638] nsproxy 0KB 3KB [ 41.999029] vm_area_struct 18051KB 18059KB [ 42.004411] mm_struct 4307KB 4312KB [ 42.009791] fs_cache 404KB 428KB [ 42.015177] files_cache 1515KB 1518KB [ 42.020572] signal_cache 2417KB 2422KB [ 42.025944] sighand_cache 215KB 312KB [ 42.031322] task_struct 10320KB 10320KB [ 42.036717] cred_jar 2276KB 2280KB [ 42.042101] anon_vma_chain 7506KB 7512KB [ 42.047481] anon_vma 125KB 288KB [ 42.052860] pid 210KB 248KB [ 42.058236] Acpi-Operand 106KB 170KB [ 42.063624] Acpi-State 0KB 3KB [ 42.069032] Acpi-Namespace 19KB 23KB [ 42.074417] numa_policy 0KB 3KB [ 42.079797] debug_objects_cache 504KB 504KB [ 42.085349] trace_event_file 145KB 147KB [ 42.090729] ftrace_event_field 257KB 259KB [ 42.096199] pool_workqueue 22KB 24KB [ 42.101601] page->ptl 2964KB 2968KB [ 42.106984] kmalloc-262144 1032KB 1032KB [ 42.112360] kmalloc-131072 650KB 650KB [ 42.117740] kmalloc-65536 264KB 264KB [ 42.123124] kmalloc-32768 627KB 627KB [ 42.128638] kmalloc-16384 148KB 148KB [ 42.134048] kmalloc-8192 503KB 503KB [ 42.139437] kmalloc-4096 8002KB 8032KB [ 42.144820] kmalloc-2048 4201KB 4201KB [ 42.150204] kmalloc-1024 2835KB 2842KB [ 42.155582] kmalloc-512 2652KB 2887KB [ 42.160968] kmalloc-256 1990KB 2388KB [ 42.166380] kmalloc-128 395KB 531KB [ 42.171933] kmalloc-96 2056KB 2056KB [ 42.177324] kmalloc-64 2468KB 2468KB [ 42.182703] kmalloc-32 2388KB 2397KB [ 42.188093] kmalloc-192 903KB 904KB [ 42.193482] kmem_cache 100KB 101KB [ 42.198851] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 42.207468] [ 1783] 0 1783 5384 175 86016 0 -1000 udevd [ 42.215648] [ 3359] 0 3359 14298 174 122880 0 0 rsyslogd [ 42.224090] [ 3414] 0 3414 4725 51 86016 0 0 cron [ 42.232186] [ 3432] 0 3432 3737 45 73728 0 0 mcstransd [ 42.240705] [ 3457] 0 3457 12490 153 135168 0 -1000 sshd [ 42.248801] [ 3484] 0 3484 3694 42 73728 0 0 getty [ 42.256982] [ 3485] 0 3485 3694 40 77824 0 0 getty [ 42.265182] [ 3486] 0 3486 3694 40 77824 0 0 getty [ 42.273364] [ 3487] 0 3487 3694 39 77824 0 0 getty [ 42.281544] [ 3488] 0 3488 3694 40 73728 0 0 getty [ 42.289724] [ 3489] 0 3489 3694 41 73728 0 0 getty [ 42.297884] [ 3490] 0 3490 3649 40 77824 0 0 getty [ 42.306078] [ 3494] 0 3494 5681 454 90112 0 -1000 udevd [ 42.314261] [ 3495] 0 3495 5681 454 90112 0 -1000 udevd [ 42.322434] [ 3512] 0 3512 17821 197 184320 0 0 sshd [ 42.330559] [ 3514] 0 3514 280 1 32768 0 0 syzkaller016496 [ 42.339610] [ 3515] 0 3515 4375 0 32768 0 0 syzkaller016496 [ 42.348662] [ 3516] 0 3516 4375 0 32768 0 0 syzkaller016496 [ 42.357711] [ 3517] 0 3517 4375 0 32768 0 0 syzkaller016496 [ 42.366783] [ 3518] 0 3518 4375 0 32768 0 0 syzkaller016496 [ 42.375839] [ 3519] 0 3519 4375 0 32768 0 0 syzkaller016496 [ 42.384913] [ 3520] 0 3520 4375 0 32768 0 0 syzkaller016496 [ 42.393952] [ 3521] 0 3521 4375 0 32768 0 0 syzkaller016496 [ 42.402977] [ 3522] 0 3522 4375 524 36864 0 0 syzkaller016496 [ 42.412014] Out of memory: Kill process 3522 (syzkaller016496) score 0 or sacrifice child [ 42.420382] Killed process 3522 (syzkaller016496) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 42.440474] oom_reaper: reaped process 3522 (syzkaller016496), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 42.543801] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 42.555343] udevd cpuset=/ mems_allowed=0 [ 42.559560] CPU: 1 PID: 1783 Comm: udevd Not tainted 4.15.0-rc7-next-20180111+ #94 [ 42.567257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.576604] Call Trace: [ 42.579196] dump_stack+0x194/0x257 [ 42.582817] ? arch_local_irq_restore+0x53/0x53 [ 42.587479] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.592682] dump_header+0x28c/0xe2b [ 42.596408] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.601603] ? pagefault_out_of_memory+0x145/0x145 [ 42.606550] ? __lock_acquire+0x664/0x3e00 [ 42.610785] ? print_irqtrace_events+0x270/0x270 [ 42.615561] ? check_noncircular+0x20/0x20 [ 42.619782] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.624957] ? check_noncircular+0x20/0x20 [ 42.629187] ? print_irqtrace_events+0x270/0x270 [ 42.633932] ? reacquire_held_locks+0x1f9/0x3e0 [ 42.638582] ? reacquire_held_locks+0x1f9/0x3e0 [ 42.643243] ? check_noncircular+0x20/0x20 [ 42.647465] ? task_will_free_mem+0x252/0xaa0 [ 42.651955] ? check_noncircular+0x20/0x20 [ 42.656202] ? print_irqtrace_events+0x270/0x270 [ 42.660959] ? ___ratelimit+0x30d/0x630 [ 42.664926] ? lock_downgrade+0x980/0x980 [ 42.669069] ? lock_release+0xa40/0xa40 [ 42.673045] ? mark_held_locks+0xaf/0x100 [ 42.677185] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 42.682282] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.687291] ? trace_hardirqs_on+0xd/0x10 [ 42.691433] ? ___ratelimit+0x95/0x630 [ 42.695312] ? idr_get_free_cmn+0xfd0/0xfd0 [ 42.699672] ? check_noncircular+0x20/0x20 [ 42.703911] oom_kill_process+0x81b/0x9f0 [ 42.708053] ? lock_release+0xa40/0xa40 [ 42.712022] ? oom_kill_memcg_member+0x20/0x20 [ 42.716617] ? oom_evaluate_task+0x480/0x480 [ 42.721024] ? out_of_memory+0xe1c/0x1790 [ 42.725170] ? lock_downgrade+0x980/0x980 [ 42.729312] ? lock_release+0xa40/0xa40 [ 42.733271] ? find_next_bit+0xcc/0x100 [ 42.737253] ? oom_evaluate_task+0x284/0x480 [ 42.741672] out_of_memory+0x9d5/0x1790 [ 42.745653] ? oom_killer_disable+0x310/0x310 [ 42.750149] ? mutex_trylock+0x23a/0x2d0 [ 42.754289] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 42.759211] ? __lock_is_held+0xb6/0x140 [ 42.763266] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 42.768730] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 42.773584] ? trace_hardirqs_on+0xd/0x10 [ 42.777757] ? warn_alloc+0x2b0/0x2b0 [ 42.781553] ? lock_downgrade+0x980/0x980 [ 42.785711] ? radix_tree_lookup_slot+0x99/0xe0 [ 42.790397] ? find_get_entry+0x53c/0x9e0 [ 42.794575] ? __lock_acquire+0x664/0x3e00 [ 42.798822] ? __lock_is_held+0xb6/0x140 [ 42.802893] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 42.808777] ? __might_sleep+0x95/0x190 [ 42.812750] __alloc_pages_nodemask+0x9fb/0xd80 [ 42.817421] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 42.822440] ? add_to_page_cache_lru+0x510/0x510 [ 42.827202] ? check_noncircular+0x20/0x20 [ 42.831427] ? check_noncircular+0x20/0x20 [ 42.835682] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 42.840465] alloc_pages_current+0xb6/0x1e0 [ 42.844780] __page_cache_alloc+0x334/0x500 [ 42.849089] ? rcu_read_lock_held+0xa9/0xc0 [ 42.853416] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 42.860776] filemap_fault+0xf34/0x1ca0 [ 42.864743] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.869920] ? __lock_page_or_retry+0x4f0/0x4f0 [ 42.874586] ? filemap_map_pages+0x942/0x15d0 [ 42.879070] ? compat_start_thread+0x80/0x80 [ 42.883492] ? find_get_entries_tag+0xeb0/0xeb0 [ 42.888176] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 42.893029] ? check_noncircular+0x20/0x20 [ 42.897270] ? wait_for_completion+0x770/0x770 [ 42.901846] ? print_irqtrace_events+0x270/0x270 [ 42.906593] ? print_irqtrace_events+0x270/0x270 [ 42.911344] ? print_irqtrace_events+0x270/0x270 [ 42.916103] ? lock_release+0xa40/0xa40 [ 42.920089] ? lock_acquire+0x1d5/0x580 [ 42.924053] ? lock_acquire+0x1d5/0x580 [ 42.928017] ? ext4_filemap_fault+0x7a/0xad [ 42.932335] ? __lock_acquire+0x664/0x3e00 [ 42.936570] ? lock_release+0xa40/0xa40 [ 42.940538] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 42.946426] ? rcu_note_context_switch+0x710/0x710 [ 42.951359] ? __might_sleep+0x95/0x190 [ 42.955333] ? down_read+0x96/0x150 [ 42.958950] ? ext4_filemap_fault+0x7a/0xad [ 42.963260] ? __down_interruptible+0x6b0/0x6b0 [ 42.967924] ext4_filemap_fault+0x82/0xad [ 42.972064] __do_fault+0xeb/0x315 [ 42.975596] ? find_held_lock+0x35/0x1d0 [ 42.979656] ? pte_offset_kernel+0xc7/0xc7 [ 42.983883] ? do_raw_spin_trylock+0x190/0x190 [ 42.988460] ? lock_downgrade+0x980/0x980 [ 42.992600] ? check_noncircular+0x20/0x20 [ 42.996837] __handle_mm_fault+0x1d8f/0x3ce0 [ 43.001247] ? __pmd_alloc+0x4e0/0x4e0 [ 43.005127] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.010144] ? find_held_lock+0x35/0x1d0 [ 43.014212] ? handle_mm_fault+0x2a0/0x930 [ 43.018442] ? lock_downgrade+0x980/0x980 [ 43.022630] handle_mm_fault+0x38f/0x930 [ 43.026684] ? down_read_trylock+0xdb/0x170 [ 43.030996] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 43.035562] ? vmacache_find+0x5f/0x280 [ 43.039537] ? find_vma+0x30/0x150 [ 43.043077] __do_page_fault+0x5c9/0xc90 [ 43.047143] ? mm_fault_error+0x2c0/0x2c0 [ 43.051286] ? __lock_is_held+0xb6/0x140 [ 43.055356] do_page_fault+0xee/0x720 [ 43.059155] ? __do_page_fault+0xc90/0xc90 [ 43.063394] ? __sb_end_write+0xa0/0xd0 [ 43.067360] ? vfs_write+0x224/0x510 [ 43.071070] ? wake_up_q+0xe0/0xe0 [ 43.074601] ? SyS_write+0x184/0x220 [ 43.078306] ? retint_user+0x18/0x18 [ 43.082020] ? page_fault+0x36/0x60 [ 43.085639] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.090478] ? page_fault+0x36/0x60 [ 43.094097] page_fault+0x4c/0x60 [ 43.097536] RIP: 0033:0x403370 [ 43.100719] RSP: 002b:00007ffe177fdba8 EFLAGS: 00010246 [ 43.106070] RAX: 00007ffe177fdbf0 RBX: 0000000000000001 RCX: 0000000000000000 [ 43.113415] RDX: 0000000000000000 RSI: 00007ffe177fdc10 RDI: 0000000000000004 [ 43.120674] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 [ 43.127958] R10: 0000000000000008 R11: 0000000000000004 R12: 00007ffe177fdc70 [ 43.135215] R13: 0000000000000000 R14: 0000000002485a10 R15: 000000000247b030 [ 43.142609] Mem-Info: [ 43.146328] active_anon:1962 inactive_anon:61 isolated_anon:0 [ 43.146328] active_file:6 inactive_file:20 isolated_file:0 [ 43.146328] unevictable:0 dirty:0 writeback:0 unstable:0 [ 43.146328] slab_reclaimable:7242 slab_unreclaimable:83012 [ 43.146328] mapped:2 shmem:68 pagetables:304 bounce:0 [ 43.146328] free:15889 free_pcp:69 free_cma:0 [ 43.150326] syzkaller016496: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 43.150362] syzkaller016496 cpuset=/ mems_allowed=0 [ 43.150461] CPU: 0 PID: 3522 Comm: syzkaller016496 Not tainted 4.15.0-rc7-next-20180111+ #94 [ 43.150465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.150468] Call Trace: [ 43.150482] dump_stack+0x194/0x257 [ 43.150496] ? arch_local_irq_restore+0x53/0x53 [ 43.150503] ? idr_get_free_cmn+0xfd0/0xfd0 [ 43.150519] ? debug_object_destroy+0x2b0/0x2b0 [ 43.150541] warn_alloc+0x19a/0x2b0 [ 43.150553] ? zone_watermark_ok_safe+0x400/0x400 [ 43.150571] ? __next_timer_interrupt+0x150/0x150 [ 43.150587] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.150595] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.150618] __alloc_pages_slowpath+0x2501/0x2cc0 [ 43.150666] ? warn_alloc+0x2b0/0x2b0 [ 43.150673] ? check_noncircular+0x20/0x20 [ 43.150682] ? check_preempt_wakeup+0x426/0xb20 [ 43.150698] ? print_irqtrace_events+0x270/0x270 [ 43.150729] ? lock_acquire+0x1d5/0x580 [ 43.150736] ? lock_acquire+0x1d5/0x580 [ 43.150751] ? __lock_acquire+0x664/0x3e00 [ 43.150764] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.150772] ? lock_release+0xa40/0xa40 [ 43.150833] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.150855] ? __might_sleep+0x95/0x190 [ 43.150870] __alloc_pages_nodemask+0x9fb/0xd80 [ 43.150876] ? lock_release+0xa40/0xa40 [ 43.150886] ? vmap_page+0x1c5/0x2a0 [ 43.150899] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 43.150920] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 43.150935] ? print_irqtrace_events+0x270/0x270 [ 43.150953] ? __lock_is_held+0xb6/0x140 [ 43.150970] ? find_next_bit+0xcc/0x100 [ 43.150988] pcpu_populate_chunk+0x1b3/0x880 [ 43.150997] ? find_next_bit+0x17/0x100 [ 43.151021] pcpu_alloc+0x978/0x10e0 [ 43.151047] ? pcpu_free_area+0xa00/0xa00 [ 43.151065] ? vmap_page_range_noflush+0x155/0x240 [ 43.151076] ? unmap_kernel_range+0x30/0x30 [ 43.151090] ? rcu_note_context_switch+0x710/0x710 [ 43.151098] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.151111] ? map_vm_area+0x9e/0xd0 [ 43.151126] ? __vmalloc_node_range+0x37a/0x650 [ 43.151148] ? array_map_alloc+0x351/0xa00 [ 43.151157] ? __vmalloc_node_flags_caller+0x50/0x60 [ 43.151173] __alloc_percpu_gfp+0x27/0x30 [ 43.151184] array_map_alloc+0x778/0xa00 [ 43.151208] SyS_bpf+0x7f8/0x4400 [ 43.151218] ? perf_event_mmap+0x115/0x12a0 [ 43.151231] ? bpf_prog_get+0x20/0x20 [ 43.151243] ? perf_event_fork+0x30/0x30 [ 43.151264] ? __lock_is_held+0xb6/0x140 [ 43.151274] ? check_noncircular+0x20/0x20 [ 43.151282] ? vma_wants_writenotify+0x51/0x3b0 [ 43.151297] ? __handle_mm_fault+0x80e/0x3ce0 [ 43.151313] ? check_noncircular+0x20/0x20 [ 43.151319] ? __pmd_alloc+0x4e0/0x4e0 [ 43.151324] ? vma_link+0xe9/0x170 [ 43.151342] ? find_held_lock+0x35/0x1d0 [ 43.151361] ? handle_mm_fault+0x2a0/0x930 [ 43.151374] ? find_held_lock+0x35/0x1d0 [ 43.151396] ? __do_page_fault+0x5f7/0xc90 [ 43.151405] ? lock_downgrade+0x980/0x980 [ 43.151426] ? handle_mm_fault+0x476/0x930 [ 43.151437] ? down_read_trylock+0xdb/0x170 [ 43.151448] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 43.151454] ? vmacache_find+0x5f/0x280 [ 43.151461] ? vmacache_update+0xfe/0x130 [ 43.151477] ? up_read+0x1a/0x40 [ 43.151486] ? __do_page_fault+0x3d6/0xc90 [ 43.151505] ? mm_fault_error+0x2c0/0x2c0 [ 43.151530] ? do_page_fault+0xee/0x720 [ 43.151541] ? __do_page_fault+0xc90/0xc90 [ 43.151562] ? SyS_mmap_pgoff+0x243/0x5f0 [ 43.151587] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.151605] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 43.151611] RIP: 0033:0x440139 [ 43.151615] RSP: 002b:00007ffcc8a92fb8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 43.151622] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 43.151626] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 43.151630] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 43.151634] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 43.151638] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 43.151818] Mem-Info: [ 43.151835] active_anon:1962 inactive_anon:61 isolated_anon:0 [ 43.151835] active_file:6 inactive_file:20 isolated_file:0 [ 43.151835] unevictable:0 dirty:0 writeback:0 unstable:0 [ 43.151835] slab_reclaimable:7242 slab_unreclaimable:83012 [ 43.151835] mapped:2 shmem:68 pagetables:304 bounce:0 [ 43.151835] free:15889 free_pcp:69 free_cma:0 [ 43.151848] Node 0 active_anon:7848kB inactive_anon:244kB active_file:24kB inactive_file:80kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.151851] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.151867] lowmem_reserve[]: 0 2870 6381 6381 [ 43.151879] Node 0 DMA32 free:29120kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 43.151894] lowmem_reserve[]: 0 0 3510 3510 [ 43.151905] Node 0 Normal free:18528kB min:37084kB low:46352kB high:55620kB active_anon:7820kB inactive_anon:240kB active_file:24kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3008kB pagetables:1216kB bounce:0kB free_pcp:156kB local_pcp:120kB free_cma:0kB [ 43.151921] lowmem_reserve[]: 0 0 0 0 [ 43.151932] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 43.151982] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 3*16kB (M) 3*32kB (UM) 6*64kB (UM) 5*128kB (M) 5*256kB (M) 2*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 29120kB [ 43.152059] Node 0 Normal: 348*4kB (UME) 252*8kB (UM) 175*16kB (UME) 111*32kB (UME) 40*64kB (ME) 21*128kB (UM) 8*256kB (M) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 18592kB [ 43.152115] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.152117] 94 total pagecache pages [ 43.152126] 0 pages in swap cache [ 43.152130] Swap cache stats: add 0, delete 0, find 0/0 [ 43.152132] Free swap = 0kB [ 43.152134] Total swap = 0kB [ 43.152137] 1965979 pages RAM [ 43.152139] 0 pages HighMem/MovableOnly [ 43.152142] 327762 pages reserved [ 43.456379] syzkaller016496 (3522) used greatest stack depth: 15264 bytes left [ 43.471638] syzkaller016496: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 43.471643] syzkaller016496 cpuset=/ mems_allowed=0 [ 43.471661] CPU: 1 PID: 3520 Comm: syzkaller016496 Not tainted 4.15.0-rc7-next-20180111+ #94 [ 43.471665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.471668] Call Trace: [ 43.471686] dump_stack+0x194/0x257 [ 43.471699] ? arch_local_irq_restore+0x53/0x53 [ 43.471706] ? idr_get_free_cmn+0xfd0/0xfd0 [ 43.471721] ? debug_object_destroy+0x2b0/0x2b0 [ 43.471743] warn_alloc+0x19a/0x2b0 [ 43.471755] ? zone_watermark_ok_safe+0x400/0x400 [ 43.471774] ? __next_timer_interrupt+0x150/0x150 [ 43.471790] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.471798] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.471821] __alloc_pages_slowpath+0x2501/0x2cc0 [ 43.471869] ? warn_alloc+0x2b0/0x2b0 [ 43.471879] ? check_noncircular+0x20/0x20 [ 43.471885] ? find_held_lock+0x35/0x1d0 [ 43.471905] ? print_irqtrace_events+0x270/0x270 [ 43.471937] ? lock_acquire+0x1d5/0x580 [ 43.471944] ? lock_acquire+0x1d5/0x580 [ 43.471958] ? __lock_acquire+0x664/0x3e00 [ 43.471972] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.471980] ? lock_release+0xa40/0xa40 [ 43.472044] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.472067] ? __might_sleep+0x95/0x190 [ 43.472081] __alloc_pages_nodemask+0x9fb/0xd80 [ 43.472089] ? lock_release+0xa40/0xa40 [ 43.472097] ? vmap_page+0x1c5/0x2a0 [ 43.472111] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 43.472132] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 43.472147] ? print_irqtrace_events+0x270/0x270 [ 43.472166] ? __lock_is_held+0xb6/0x140 [ 43.472183] ? find_next_bit+0xcc/0x100 [ 43.472201] pcpu_populate_chunk+0x1b3/0x880 [ 43.472210] ? find_next_bit+0x17/0x100 [ 43.472232] pcpu_alloc+0x978/0x10e0 [ 43.472257] ? pcpu_free_area+0xa00/0xa00 [ 43.472276] ? vmap_page_range_noflush+0x155/0x240 [ 43.472287] ? unmap_kernel_range+0x30/0x30 [ 43.472302] ? rcu_note_context_switch+0x710/0x710 [ 43.472310] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.472324] ? map_vm_area+0x9e/0xd0 [ 43.472338] ? __vmalloc_node_range+0x37a/0x650 [ 43.472362] ? array_map_alloc+0x351/0xa00 [ 43.472370] ? __vmalloc_node_flags_caller+0x50/0x60 [ 43.472386] __alloc_percpu_gfp+0x27/0x30 [ 43.472397] array_map_alloc+0x778/0xa00 [ 43.472420] SyS_bpf+0x7f8/0x4400 [ 43.472430] ? perf_event_mmap+0x115/0x12a0 [ 43.472443] ? bpf_prog_get+0x20/0x20 [ 43.472456] ? perf_event_fork+0x30/0x30 [ 43.472476] ? __lock_is_held+0xb6/0x140 [ 43.472487] ? check_noncircular+0x20/0x20 [ 43.472494] ? vma_wants_writenotify+0x51/0x3b0 [ 43.472509] ? __handle_mm_fault+0x80e/0x3ce0 [ 43.472525] ? check_noncircular+0x20/0x20 [ 43.472531] ? __pmd_alloc+0x4e0/0x4e0 [ 43.472536] ? vma_link+0xe9/0x170 [ 43.472554] ? find_held_lock+0x35/0x1d0 [ 43.472574] ? handle_mm_fault+0x2a0/0x930 [ 43.472587] ? find_held_lock+0x35/0x1d0 [ 43.472609] ? __do_page_fault+0x5f7/0xc90 [ 43.472618] ? lock_downgrade+0x980/0x980 [ 43.472639] ? handle_mm_fault+0x476/0x930 [ 43.472645] ? down_read_trylock+0xdb/0x170 [ 43.472656] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 43.472662] ? vmacache_find+0x5f/0x280 [ 43.472669] ? vmacache_update+0xfe/0x130 [ 43.472685] ? up_read+0x1a/0x40 [ 43.472694] ? __do_page_fault+0x3d6/0xc90 [ 43.472713] ? mm_fault_error+0x2c0/0x2c0 [ 43.472737] ? do_page_fault+0xee/0x720 [ 43.472749] ? __do_page_fault+0xc90/0xc90 [ 43.472770] ? SyS_mmap_pgoff+0x243/0x5f0 [ 43.472795] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.472814] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 43.472820] RIP: 0033:0x440139 [ 43.472824] RSP: 002b:00007ffcc8a92fb8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 43.472832] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 43.472836] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 43.472839] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 43.472843] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 43.472847] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 43.843824] syzkaller016496: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 43.843830] syzkaller016496 cpuset=/ mems_allowed=0 [ 43.843848] CPU: 0 PID: 3515 Comm: syzkaller016496 Not tainted 4.15.0-rc7-next-20180111+ #94 [ 43.843852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.843855] Call Trace: [ 43.843873] dump_stack+0x194/0x257 [ 43.843886] ? arch_local_irq_restore+0x53/0x53 [ 43.843893] ? idr_get_free_cmn+0xfd0/0xfd0 [ 43.843908] ? debug_object_destroy+0x2b0/0x2b0 [ 43.843930] warn_alloc+0x19a/0x2b0 [ 43.843943] ? zone_watermark_ok_safe+0x400/0x400 [ 43.843962] ? __next_timer_interrupt+0x150/0x150 [ 43.843978] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.843988] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.844016] __alloc_pages_slowpath+0x2501/0x2cc0 [ 43.844064] ? warn_alloc+0x2b0/0x2b0 [ 43.844089] ? print_irqtrace_events+0x270/0x270 [ 43.844115] ? mutex_spin_on_owner+0x446/0xb50 [ 43.844138] ? __lock_acquire+0x664/0x3e00 [ 43.844152] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.844160] ? lock_release+0xa40/0xa40 [ 43.844221] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.844244] ? __might_sleep+0x95/0x190 [ 43.844259] __alloc_pages_nodemask+0x9fb/0xd80 [ 43.844271] ? vmap_page+0x1c5/0x2a0 [ 43.844284] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 43.844304] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 43.844319] ? print_irqtrace_events+0x270/0x270 [ 43.844339] ? __lock_is_held+0xb6/0x140 [ 43.844355] ? find_next_bit+0xcc/0x100 [ 43.844378] pcpu_populate_chunk+0x1b3/0x880 [ 43.844387] ? find_next_bit+0x17/0x100 [ 43.844409] pcpu_alloc+0x978/0x10e0 [ 43.844435] ? pcpu_free_area+0xa00/0xa00 [ 43.844453] ? vmap_page_range_noflush+0x155/0x240 [ 43.844465] ? retint_kernel+0x10/0x10 [ 43.844476] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.844490] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.844508] ? retint_kernel+0x10/0x10 [ 43.844533] ? pcpu_alloc+0x186/0x10e0 [ 43.844549] __alloc_percpu_gfp+0x27/0x30 [ 43.844563] array_map_alloc+0x778/0xa00 [ 43.844587] SyS_bpf+0x7f8/0x4400 [ 43.844599] ? perf_event_mmap+0x115/0x12a0 [ 43.844612] ? bpf_prog_get+0x20/0x20 [ 43.844625] ? perf_event_fork+0x30/0x30 [ 43.844645] ? __lock_is_held+0xb6/0x140 [ 43.844656] ? check_noncircular+0x20/0x20 [ 43.844664] ? vma_wants_writenotify+0x51/0x3b0 [ 43.844681] ? __handle_mm_fault+0x80e/0x3ce0 [ 43.844697] ? check_noncircular+0x20/0x20 [ 43.844702] ? __pmd_alloc+0x4e0/0x4e0 [ 43.844707] ? vma_link+0xe9/0x170 [ 43.844725] ? find_held_lock+0x35/0x1d0 [ 43.844745] ? handle_mm_fault+0x2a0/0x930 [ 43.844758] ? find_held_lock+0x35/0x1d0 [ 43.844781] ? __do_page_fault+0x5f7/0xc90 [ 43.844791] ? lock_downgrade+0x980/0x980 [ 43.844812] ? handle_mm_fault+0x476/0x930 [ 43.844817] ? down_read_trylock+0xdb/0x170 [ 43.844828] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 43.844834] ? vmacache_find+0x5f/0x280 [ 43.844841] ? vmacache_update+0xfe/0x130 [ 43.844857] ? up_read+0x1a/0x40 [ 43.844866] ? __do_page_fault+0x3d6/0xc90 [ 43.844885] ? mm_fault_error+0x2c0/0x2c0 [ 43.844909] ? do_page_fault+0xee/0x720 [ 43.844920] ? __do_page_fault+0xc90/0xc90 [ 43.844941] ? SyS_mmap_pgoff+0x243/0x5f0 [ 43.844964] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.844982] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 43.844988] RIP: 0033:0x440139 [ 43.844992] RSP: 002b:00007ffcc8a92fb8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 43.844999] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 43.845003] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 43.845007] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 43.845011] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 43.845015] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 44.189959] syzkaller016496: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 44.189966] syzkaller016496 cpuset=/ mems_allowed=0 [ 44.189986] CPU: 1 PID: 3516 Comm: syzkaller016496 Not tainted 4.15.0-rc7-next-20180111+ #94 [ 44.189991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.189994] Call Trace: [ 44.190014] dump_stack+0x194/0x257 [ 44.190028] ? arch_local_irq_restore+0x53/0x53 [ 44.190037] ? idr_get_free_cmn+0xfd0/0xfd0 [ 44.190053] ? debug_object_destroy+0x2b0/0x2b0 [ 44.190077] warn_alloc+0x19a/0x2b0 [ 44.190091] ? zone_watermark_ok_safe+0x400/0x400 [ 44.190112] ? __next_timer_interrupt+0x150/0x150 [ 44.190131] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 44.190140] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.190168] __alloc_pages_slowpath+0x2501/0x2cc0 [ 44.190225] ? warn_alloc+0x2b0/0x2b0 [ 44.190239] ? check_noncircular+0x20/0x20 [ 44.190245] ? find_held_lock+0x35/0x1d0 [ 44.190262] ? print_irqtrace_events+0x270/0x270 [ 44.190299] ? lock_acquire+0x1d5/0x580 [ 44.190307] ? lock_acquire+0x1d5/0x580 [ 44.190324] ? __lock_acquire+0x664/0x3e00 [ 44.190340] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.190349] ? lock_release+0xa40/0xa40 [ 44.190420] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.190447] ? __might_sleep+0x95/0x190 [ 44.190464] __alloc_pages_nodemask+0x9fb/0xd80 [ 44.190472] ? lock_release+0xa40/0xa40 [ 44.190480] ? vmap_page+0x1c5/0x2a0 [ 44.190496] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 44.190518] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 44.190534] ? print_irqtrace_events+0x270/0x270 [ 44.190557] ? __lock_is_held+0xb6/0x140 [ 44.190576] ? find_next_bit+0xcc/0x100 [ 44.190597] pcpu_populate_chunk+0x1b3/0x880 [ 44.190607] ? find_next_bit+0x17/0x100 [ 44.190633] pcpu_alloc+0x978/0x10e0 [ 44.190662] ? pcpu_free_area+0xa00/0xa00 [ 44.190684] ? vmap_page_range_noflush+0x155/0x240 [ 44.190696] ? unmap_kernel_range+0x30/0x30 [ 44.190711] ? rcu_note_context_switch+0x710/0x710 [ 44.190720] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.190736] ? map_vm_area+0x9e/0xd0 [ 44.190752] ? __vmalloc_node_range+0x37a/0x650 [ 44.190779] ? array_map_alloc+0x351/0xa00 [ 44.190789] ? __vmalloc_node_flags_caller+0x50/0x60 [ 44.190807] __alloc_percpu_gfp+0x27/0x30 [ 44.190820] array_map_alloc+0x778/0xa00 [ 44.190851] SyS_bpf+0x7f8/0x4400 [ 44.190863] ? perf_event_mmap+0x115/0x12a0 [ 44.190877] ? bpf_prog_get+0x20/0x20 [ 44.190890] ? perf_event_fork+0x30/0x30 [ 44.190908] ? __lock_is_held+0xb6/0x140 [ 44.190918] ? check_noncircular+0x20/0x20 [ 44.190924] ? vma_wants_writenotify+0x51/0x3b0 [ 44.190940] ? __handle_mm_fault+0x80e/0x3ce0 [ 44.190955] ? check_noncircular+0x20/0x20 [ 44.190960] ? __pmd_alloc+0x4e0/0x4e0 [ 44.190965] ? vma_link+0xe9/0x170 [ 44.190982] ? find_held_lock+0x35/0x1d0 [ 44.191001] ? handle_mm_fault+0x2a0/0x930 [ 44.191015] ? find_held_lock+0x35/0x1d0 [ 44.191038] ? __do_page_fault+0x5f7/0xc90 [ 44.191047] ? lock_downgrade+0x980/0x980 [ 44.191067] ? handle_mm_fault+0x476/0x930 [ 44.191074] ? down_read_trylock+0xdb/0x170 [ 44.191084] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 44.191089] ? vmacache_find+0x5f/0x280 [ 44.191095] ? vmacache_update+0xfe/0x130 [ 44.191111] ? up_read+0x1a/0x40 [ 44.191119] ? __do_page_fault+0x3d6/0xc90 [ 44.191138] ? mm_fault_error+0x2c0/0x2c0 [ 44.191162] ? do_page_fault+0xee/0x720 [ 44.191173] ? __do_page_fault+0xc90/0xc90 [ 44.191194] ? SyS_mmap_pgoff+0x243/0x5f0 [ 44.191221] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.191241] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 44.191247] RIP: 0033:0x440139 [ 44.191251] RSP: 002b:00007ffcc8a92fb8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 44.191258] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 44.191262] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 44.191265] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 44.191269] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 44.191272] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 44.191426] warn_alloc_show_mem: 2 callbacks suppressed [ 44.191429] Mem-Info: [ 44.191447] active_anon:1962 inactive_anon:61 isolated_anon:0 [ 44.191447] active_file:20 inactive_file:6 isolated_file:0 [ 44.191447] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.191447] slab_reclaimable:7242 slab_unreclaimable:83014 [ 44.191447] mapped:2 shmem:68 pagetables:300 bounce:0 [ 44.191447] free:15890 free_pcp:376 free_cma:0 [ 44.191461] Node 0 active_anon:7848kB inactive_anon:244kB active_file:80kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 44.191464] 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 [ 44.191479] lowmem_reserve[]: 0 2870 6381 6381 [ 44.191491] Node 0 DMA32 free:29120kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:860kB local_pcp:160kB free_cma:0kB [ 44.191505] lowmem_reserve[]: 0 0 3510 3510 [ 44.191516] Node 0 Normal free:18532kB min:37084kB low:46352kB high:55620kB active_anon:7820kB inactive_anon:240kB active_file:68kB inactive_file:28kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:2944kB pagetables:1200kB bounce:0kB free_pcp:652kB local_pcp:16kB free_cma:0kB [ 44.191529] lowmem_reserve[]: 0 0 0 0 [ 44.191540] 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 [ 44.191588] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 3*16kB (M) 3*32kB (UM) 6*64kB (UM) 5*128kB (M) 5*256kB (M) 2*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 29120kB [ 44.191640] Node 0 Normal: 347*4kB (UME) 243*8kB (UM) 174*16kB (ME) 111*32kB (UME) 41*64kB (UME) 19*128kB (M) 9*256kB (UM) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 18564kB [ 44.191675] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.191676] 94 total pagecache pages [ 44.191682] 0 pages in swap cache [ 44.191685] Swap cache stats: add 0, delete 0, find 0/0 [ 44.191687] Free swap = 0kB [ 44.191689] Total swap = 0kB [ 44.191690] 1965979 pages RAM [ 44.191692] 0 pages HighMem/MovableOnly [ 44.191693] 327762 pages reserved [ 44.672218] syzkaller016496: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 44.672224] syzkaller016496 cpuset=/ mems_allowed=0 [ 44.672244] CPU: 0 PID: 3521 Comm: syzkaller016496 Not tainted 4.15.0-rc7-next-20180111+ #94 [ 44.672248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.672251] Call Trace: [ 44.672267] dump_stack+0x194/0x257 [ 44.672280] ? arch_local_irq_restore+0x53/0x53 [ 44.672288] ? idr_get_free_cmn+0xfd0/0xfd0 [ 44.672306] ? debug_object_destroy+0x2b0/0x2b0 [ 44.672326] warn_alloc+0x19a/0x2b0 [ 44.672339] ? zone_watermark_ok_safe+0x400/0x400 [ 44.672355] ? __next_timer_interrupt+0x150/0x150 [ 44.672371] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 44.672380] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.672403] __alloc_pages_slowpath+0x2501/0x2cc0 [ 44.672451] ? warn_alloc+0x2b0/0x2b0 [ 44.672464] ? check_noncircular+0x20/0x20 [ 44.672469] ? find_held_lock+0x35/0x1d0 [ 44.672484] ? print_irqtrace_events+0x270/0x270 [ 44.672515] ? lock_acquire+0x1d5/0x580 [ 44.672522] ? lock_acquire+0x1d5/0x580 [ 44.672536] ? __lock_acquire+0x664/0x3e00 [ 44.672550] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.672558] ? lock_release+0xa40/0xa40 [ 44.672618] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.672641] ? __might_sleep+0x95/0x190 [ 44.672655] __alloc_pages_nodemask+0x9fb/0xd80 [ 44.672662] ? lock_release+0xa40/0xa40 [ 44.672670] ? vmap_page+0x1c5/0x2a0 [ 44.672683] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 44.672702] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 44.672717] ? print_irqtrace_events+0x270/0x270 [ 44.672735] ? __lock_is_held+0xb6/0x140 [ 44.672752] ? find_next_bit+0xcc/0x100 [ 44.672770] pcpu_populate_chunk+0x1b3/0x880 [ 44.672778] ? find_next_bit+0x17/0x100 [ 44.672800] pcpu_alloc+0x978/0x10e0 [ 44.672825] ? pcpu_free_area+0xa00/0xa00 [ 44.672843] ? vmap_page_range_noflush+0x155/0x240 [ 44.672853] ? unmap_kernel_range+0x30/0x30 [ 44.672866] ? rcu_note_context_switch+0x710/0x710 [ 44.672874] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.672888] ? map_vm_area+0x9e/0xd0 [ 44.672902] ? __vmalloc_node_range+0x37a/0x650 [ 44.672923] ? array_map_alloc+0x351/0xa00 [ 44.672932] ? __vmalloc_node_flags_caller+0x50/0x60 [ 44.672948] __alloc_percpu_gfp+0x27/0x30 [ 44.672959] array_map_alloc+0x778/0xa00 [ 44.672982] SyS_bpf+0x7f8/0x4400 [ 44.672992] ? perf_event_mmap+0x115/0x12a0 [ 44.673008] ? bpf_prog_get+0x20/0x20 [ 44.673020] ? perf_event_fork+0x30/0x30 [ 44.673040] ? __lock_is_held+0xb6/0x140 [ 44.673051] ? check_noncircular+0x20/0x20 [ 44.673058] ? vma_wants_writenotify+0x51/0x3b0 [ 44.673074] ? __handle_mm_fault+0x80e/0x3ce0 [ 44.673089] ? check_noncircular+0x20/0x20 [ 44.673095] ? __pmd_alloc+0x4e0/0x4e0 [ 44.673100] ? vma_link+0xe9/0x170 [ 44.673118] ? find_held_lock+0x35/0x1d0 [ 44.673138] ? handle_mm_fault+0x2a0/0x930 [ 44.673151] ? find_held_lock+0x35/0x1d0 [ 44.673172] ? __do_page_fault+0x5f7/0xc90 [ 44.673182] ? lock_downgrade+0x980/0x980 [ 44.673202] ? handle_mm_fault+0x476/0x930 [ 44.673209] ? down_read_trylock+0xdb/0x170 [ 44.673220] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 44.673226] ? vmacache_find+0x5f/0x280 [ 44.673232] ? vmacache_update+0xfe/0x130 [ 44.673248] ? up_read+0x1a/0x40 [ 44.673257] ? __do_page_fault+0x3d6/0xc90 [ 44.673276] ? mm_fault_error+0x2c0/0x2c0 [ 44.673304] ? do_page_fault+0xee/0x720 [ 44.673315] ? __do_page_fault+0xc90/0xc90 [ 44.673336] ? SyS_mmap_pgoff+0x243/0x5f0 [ 44.673361] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.673380] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 44.673386] RIP: 0033:0x440139 [ 44.673390] RSP: 002b:00007ffcc8a92fb8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 44.673397] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 44.673401] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 44.673405] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 44.673409] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 44.673413] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 45.283065] syzkaller016496: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 45.283071] syzkaller016496 cpuset=/ mems_allowed=0 [ 45.283092] CPU: 1 PID: 3518 Comm: syzkaller016496 Not tainted 4.15.0-rc7-next-20180111+ #94 [ 45.283096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.283099] Call Trace: [ 45.283115] dump_stack+0x194/0x257 [ 45.283128] ? arch_local_irq_restore+0x53/0x53 [ 45.283136] ? idr_get_free_cmn+0xfd0/0xfd0 [ 45.283152] ? debug_object_destroy+0x2b0/0x2b0 [ 45.283174] warn_alloc+0x19a/0x2b0 [ 45.283187] ? zone_watermark_ok_safe+0x400/0x400 [ 45.283204] ? __next_timer_interrupt+0x150/0x150 [ 45.283218] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 45.283227] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 45.283250] __alloc_pages_slowpath+0x2501/0x2cc0 [ 45.283297] ? warn_alloc+0x2b0/0x2b0 [ 45.283303] ? __switch_to_asm+0x53/0x80 [ 45.283318] ? __schedule+0x8f3/0x2060 [ 45.283329] ? print_irqtrace_events+0x270/0x270 [ 45.283347] ? find_held_lock+0x35/0x1d0 [ 45.283364] ? lock_acquire+0x1d5/0x580 [ 45.283371] ? lock_acquire+0x1d5/0x580 [ 45.283386] ? __lock_acquire+0x664/0x3e00 [ 45.283399] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 45.283464] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 45.283486] ? __might_sleep+0x95/0x190 [ 45.283501] __alloc_pages_nodemask+0x9fb/0xd80 [ 45.283511] ? vmap_page+0x1c5/0x2a0 [ 45.283525] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 45.283543] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 45.283558] ? print_irqtrace_events+0x270/0x270 [ 45.283577] ? __lock_is_held+0xb6/0x140 [ 45.283594] ? find_next_bit+0xcc/0x100 [ 45.283613] pcpu_populate_chunk+0x1b3/0x880 [ 45.283622] ? find_next_bit+0x17/0x100 [ 45.283643] pcpu_alloc+0x978/0x10e0 [ 45.283669] ? pcpu_free_area+0xa00/0xa00 [ 45.283687] ? vmap_page_range_noflush+0x155/0x240 [ 45.283698] ? unmap_kernel_range+0x30/0x30 [ 45.283711] ? rcu_note_context_switch+0x710/0x710 [ 45.283718] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 45.283732] ? map_vm_area+0x9e/0xd0 [ 45.283756] ? __vmalloc_node_range+0x37a/0x650 [ 45.283780] ? array_map_alloc+0x351/0xa00 [ 45.283789] ? __vmalloc_node_flags_caller+0x50/0x60 [ 45.283805] __alloc_percpu_gfp+0x27/0x30 [ 45.283816] array_map_alloc+0x778/0xa00 [ 45.283839] SyS_bpf+0x7f8/0x4400 [ 45.283851] ? perf_event_mmap+0x115/0x12a0 [ 45.283864] ? bpf_prog_get+0x20/0x20 [ 45.283876] ? perf_event_fork+0x30/0x30 [ 45.283896] ? __lock_is_held+0xb6/0x140 [ 45.283907] ? check_noncircular+0x20/0x20 [ 45.283914] ? vma_wants_writenotify+0x51/0x3b0 [ 45.283931] ? __handle_mm_fault+0x80e/0x3ce0 [ 45.283947] ? check_noncircular+0x20/0x20 [ 45.283953] ? __pmd_alloc+0x4e0/0x4e0 [ 45.283958] ? vma_link+0xe9/0x170 [ 45.283975] ? find_held_lock+0x35/0x1d0 [ 45.283994] ? handle_mm_fault+0x2a0/0x930 [ 45.284010] ? find_held_lock+0x35/0x1d0 [ 45.284033] ? __do_page_fault+0x5f7/0xc90 [ 45.284042] ? lock_downgrade+0x980/0x980 [ 45.284063] ? handle_mm_fault+0x476/0x930 [ 45.284069] ? down_read_trylock+0xdb/0x170 [ 45.284081] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 45.284087] ? vmacache_find+0x5f/0x280 [ 45.284093] ? vmacache_update+0xfe/0x130 [ 45.284110] ? up_read+0x1a/0x40 [ 45.284119] ? __do_page_fault+0x3d6/0xc90 [ 45.284138] ? mm_fault_error+0x2c0/0x2c0 [ 45.284163] ? do_page_fault+0xee/0x720 [ 45.284174] ? __do_page_fault+0xc90/0xc90 [ 45.284195] ? SyS_mmap_pgoff+0x243/0x5f0 [ 45.284220] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 45.284239] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 45.284244] RIP: 0033:0x440139 [ 45.284248] RSP: 002b:00007ffcc8a92fb8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 45.284255] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 45.284259] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 45.284263] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 45.284267] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 45.284271] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 45.284335] warn_alloc_show_mem: 1 callbacks suppressed [ 45.284338] Mem-Info: [ 45.284354] active_anon:1962 inactive_anon:61 isolated_anon:0 [ 45.284354] active_file:0 inactive_file:16 isolated_file:0 [ 45.284354] unevictable:0 dirty:0 writeback:0 unstable:0 [ 45.284354] slab_reclaimable:7241 slab_unreclaimable:83019 [ 45.284354] mapped:2 shmem:68 pagetables:288 bounce:0 [ 45.284354] free:16004 free_pcp:379 free_cma:0 [ 45.284368] Node 0 active_anon:7848kB inactive_anon:244kB active_file:0kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 45.284370] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.284387] lowmem_reserve[]: 0 2870 6381 6381 [ 45.284399] Node 0 DMA32 free:29108kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:120kB free_cma:0kB [ 45.284415] lowmem_reserve[]: 0 0 3510 3510 [ 45.284426] Node 0 Normal free:19000kB min:37084kB low:46352kB high:55620kB active_anon:7820kB inactive_anon:240kB active_file:104kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:2848kB pagetables:1152kB bounce:0kB free_pcp:744kB local_pcp:624kB free_cma:0kB [ 45.284441] lowmem_reserve[]: 0 0 0 0 [ 45.284453] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 45.284504] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 3*16kB (M) 3*32kB (UM) 6*64kB (UM) 5*128kB (M) 5*256kB (M) 2*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 29120kB [ 45.284558] Node 0 Normal: 348*4kB (UME) 245*8kB (UM) 200*16kB (UME) 113*32kB (UME) 40*64kB (ME) 19*128kB (M) 9*256kB (UM) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 19000kB [ 45.284613] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 45.284616] 94 total pagecache pages [ 45.284623] 0 pages in swap cache [ 45.284627] Swap cache stats: add 0, delete 0, find 0/0 [ 45.284629] Free swap = 0kB [ 45.284632] Total swap = 0kB [ 45.284634] 1965979 pages RAM [ 45.284637] 0 pages HighMem/MovableOnly [ 45.284639] 327762 pages reserved [ 46.336062] syzkaller016496: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 46.336068] syzkaller016496 cpuset=/ mems_allowed=0 [ 46.336088] CPU: 0 PID: 3519 Comm: syzkaller016496 Not tainted 4.15.0-rc7-next-20180111+ #94 [ 46.336092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.336095] Call Trace: [ 46.336111] dump_stack+0x194/0x257 [ 46.336124] ? arch_local_irq_restore+0x53/0x53 [ 46.336131] ? idr_get_free_cmn+0xfd0/0xfd0 [ 46.336146] ? debug_object_destroy+0x2b0/0x2b0 [ 46.336172] warn_alloc+0x19a/0x2b0 [ 46.336184] ? zone_watermark_ok_safe+0x400/0x400 [ 46.336202] ? __next_timer_interrupt+0x150/0x150 [ 46.336218] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 46.336227] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 46.336252] __alloc_pages_slowpath+0x2501/0x2cc0 [ 46.336299] ? warn_alloc+0x2b0/0x2b0 [ 46.336309] ? check_noncircular+0x20/0x20 [ 46.336319] ? check_preempt_wakeup+0x426/0xb20 [ 46.336335] ? print_irqtrace_events+0x270/0x270 [ 46.336341] ? put_prev_task_fair+0x80/0x80 [ 46.336371] ? lock_acquire+0x1d5/0x580 [ 46.336378] ? lock_acquire+0x1d5/0x580 [ 46.336392] ? __lock_acquire+0x664/0x3e00 [ 46.336406] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 46.336413] ? check_preempt_curr+0x350/0x350 [ 46.336419] ? __lock_is_held+0xb6/0x140 [ 46.336479] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 46.336501] ? __might_sleep+0x95/0x190 [ 46.336516] __alloc_pages_nodemask+0x9fb/0xd80 [ 46.336523] ? lock_release+0xa40/0xa40 [ 46.336530] ? vmap_page+0x1c5/0x2a0 [ 46.336544] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 46.336563] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 46.336578] ? print_irqtrace_events+0x270/0x270 [ 46.336597] ? __lock_is_held+0xb6/0x140 [ 46.336614] ? find_next_bit+0xcc/0x100 [ 46.336631] pcpu_populate_chunk+0x1b3/0x880 [ 46.336640] ? find_next_bit+0x17/0x100 [ 46.336662] pcpu_alloc+0x978/0x10e0 [ 46.336687] ? pcpu_free_area+0xa00/0xa00 [ 46.336705] ? vmap_page_range_noflush+0x155/0x240 [ 46.336717] ? retint_kernel+0x10/0x10 [ 46.336729] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 46.336740] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 46.336758] ? retint_kernel+0x10/0x10 [ 46.336782] ? pcpu_alloc+0x184/0x10e0 [ 46.336799] __alloc_percpu_gfp+0x27/0x30 [ 46.336811] array_map_alloc+0x778/0xa00 [ 46.336834] SyS_bpf+0x7f8/0x4400 [ 46.336844] ? perf_event_mmap+0x115/0x12a0 [ 46.336857] ? bpf_prog_get+0x20/0x20 [ 46.336869] ? perf_event_fork+0x30/0x30 [ 46.336890] ? __lock_is_held+0xb6/0x140 [ 46.336900] ? check_noncircular+0x20/0x20 [ 46.336907] ? vma_wants_writenotify+0x51/0x3b0 [ 46.336923] ? __handle_mm_fault+0x80e/0x3ce0 [ 46.336938] ? check_noncircular+0x20/0x20 [ 46.336944] ? __pmd_alloc+0x4e0/0x4e0 [ 46.336949] ? vma_link+0xe9/0x170 [ 46.336967] ? find_held_lock+0x35/0x1d0 [ 46.336986] ? handle_mm_fault+0x2a0/0x930 [ 46.336999] ? find_held_lock+0x35/0x1d0 [ 46.337023] ? __do_page_fault+0x5f7/0xc90 [ 46.337033] ? lock_downgrade+0x980/0x980 [ 46.337054] ? handle_mm_fault+0x476/0x930 [ 46.337060] ? down_read_trylock+0xdb/0x170 [ 46.337071] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 46.337077] ? vmacache_find+0x5f/0x280 [ 46.337083] ? vmacache_update+0xfe/0x130 [ 46.337100] ? up_read+0x1a/0x40 [ 46.337108] ? __do_page_fault+0x3d6/0xc90 [ 46.337128] ? mm_fault_error+0x2c0/0x2c0 [ 46.337152] ? do_page_fault+0xee/0x720 [ 46.337167] ? __do_page_fault+0xc90/0xc90 [ 46.337188] ? SyS_mmap_pgoff+0x243/0x5f0 [ 46.337211] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 46.337229] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 46.337235] RIP: 0033:0x440139 [ 46.337239] RSP: 002b:00007ffcc8a92fb8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 46.337246] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 46.337250] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 46.337254] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 46.337258] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 46.337262] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 46.337309] Mem-Info: [ 46.337326] active_anon:2001 inactive_anon:61 isolated_anon:0 [ 46.337326] active_file:25 inactive_file:0 isolated_file:0 [ 46.337326] unevictable:0 dirty:16 writeback:1 unstable:0 [ 46.337326] slab_reclaimable:7284 slab_unreclaimable:82729 [ 46.337326] mapped:16 shmem:68 pagetables:280 bounce:0 [ 46.337326] free:15845 free_pcp:8 free_cma:0 [ 46.337339] Node 0 active_anon:8004kB inactive_anon:244kB active_file:100kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:64kB writeback:4kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 46.337342] 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 [ 46.337358] lowmem_reserve[]: 0 2870 6381 6381 [ 46.337370] Node 0 DMA32 free:28976kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:72kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 46.337385] lowmem_reserve[]: 0 0 3510 3510 [ 46.337397] Node 0 Normal free:18496kB min:37084kB low:46352kB high:55620kB active_anon:7976kB inactive_anon:240kB active_file:288kB inactive_file:64kB unevictable:0kB writepending:68kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:2816kB pagetables:1120kB bounce:0kB free_pcp:32kB local_pcp:32kB free_cma:0kB [ 46.337413] lowmem_reserve[]: 0 0 0 0 [ 46.337424] 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 [ 46.337474] Node 0 DMA32: 4*4kB (ME) 5*8kB (UME) 5*16kB (UME) 3*32kB (ME) 7*64kB (UME) 6*128kB (ME) 6*256kB (ME) 3*512kB (ME) 4*1024kB (UME) 4*2048kB (UME) 3*4096kB (M) = 29096kB [ 46.337529] Node 0 Normal: 312*4kB (UME) 242*8kB (ME) 170*16kB (UME) 112*32kB (UME) 41*64kB (UME) 22*128kB (UME) 11*256kB (UME) 0*512kB 1*1024kB (E) 0*2048kB 0*4096kB = 18768kB [ 46.337583] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 46.337585] 119 total pagecache pages [ 46.337594] 0 pages in swap cache [ 46.337598] Swap cache stats: add 0, delete 0, find 0/0 [ 46.337600] Free swap = 0kB [ 46.337603] Total swap = 0kB [ 46.337605] 1965979 pages RAM [ 46.337607] 0 pages HighMem/MovableOnly [ 46.337610] 327762 pages reserved [ 46.936474] syzkaller016496 (3519) used greatest stack depth: 14832 bytes left [ 48.962863] Node 0 active_anon:8004kB inactive_anon:244kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 48.989980] 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 [ 49.016159] lowmem_reserve[]: 0 2870 6381 6381 [ 49.020785] Node 0 DMA32 free:897192kB min:30332kB low:37912kB high:45492kB active_anon:28kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942332kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:672kB local_pcp:0kB free_cma:0kB [ 49.049109] lowmem_reserve[]: 0 0 3510 3510 [ 49.053481] Node 0 Normal free:1001240kB min:37084kB low:46352kB high:55620kB active_anon:7976kB inactive_anon:240kB active_file:48kB inactive_file:548kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:2752kB pagetables:1120kB bounce:0kB free_pcp:1320kB local_pcp:580kB free_cma:0kB [ 49.083495] lowmem_reserve[]: 0 0 0 0 [ 49.087362] 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 [ 49.101103] Node 0 DMA32: 1639*4kB (UME) 1593*8kB (UME) 1499*16kB (UME) 1307*32kB (UME) 664*64kB (UME) 496*128kB (UME) 451*256kB (UME) 407*512kB (UME) 375*1024kB (UME) 6*2048kB (UME) 3*4096kB (M) = 923508kB [ 49.120243] Node 0 Normal: 2116*4kB (UME) 2513*8kB (UME) 2067*16kB (UME) 1681*32kB (UME) 839*64kB (UME) 588*128kB (UME) 482*256kB (UME) 468*512kB (U) 414*1024kB (UE) 0*2048kB 0*4096kB = 1031336kB [ 49.138380] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 49.147477] 390 total pagecache pages [ 49.151693] 0 pages in swap cache [ 49.155625] Swap cache stats: add 0, delete 0, find 0/0 [ 49.161386] Free swap = 0kB [ 49.164772] Total swap = 0kB [ 49.168180] 1965979 pages RAM [ 49.171962] 0 pages HighMem/MovableOnly [ 49.176373] 327762 pages reserved [ 49.180204] Unreclaimable slab info: [ 49.184282] Name Used Total [ 49.190227] hashtab_node 118KB 119KB [ 49.197326] ebitmap_node 382KB 385KB [ 49.203293] avtab_node 1012KB 1013KB [ 49.209334] TIPC 1KB 7KB [ 49.216572] SCTPv6 2KB 4KB [ 49.222377] DCCPv6 2KB 7KB [ 49.228161] DCCP 2KB 6KB [ 49.233936] fib6_nodes 0KB 4KB [ 49.239681] ip6_dst_cache 7KB 7KB [ 49.245457] RAWv6 9KB 13KB [ 49.251234] UDPv6 12KB 14KB [ 49.257047] TCPv6 2KB 5KB [ 49.262924] sd_ext_cdb 0KB 3KB [ 49.268681] scsi_sense_cache 72KB 112KB [ 49.274453] virtio_scsi_cmd 16KB 16KB [ 49.280082] sgpool-128 8KB 8KB [ 49.285617] sgpool-64 4KB 6KB [ 49.291147] sgpool-32 78KB 78KB [ 49.296668] sgpool-16 33KB 33KB [ 49.302176] sgpool-8 183KB 183KB [ 49.307683] cfq_io_cq 18KB 19KB [ 49.313201] cfq_queue 29KB 30KB [ 49.318808] mqueue_inode_cache 1KB 7KB [ 49.325064] nfs_commit_data 3KB 7KB [ 49.330576] nfs_write_data 34KB 37KB [ 49.336806] jbd2_inode 1KB 3KB [ 49.342325] ext4_system_zone 0KB 3KB [ 49.348576] bio-1 1KB 3KB [ 49.354122] rpc_buffers 17KB 19KB [ 49.359632] rpc_tasks 2KB 3KB [ 49.365439] UNIX 780KB 784KB [ 49.370961] tcp_bind_bucket 0KB 4KB [ 49.376512] ip_fib_trie 0KB 3KB [ 49.382061] ip_fib_alias 0KB 3KB [ 49.387573] ip_dst_cache 3KB 8KB [ 49.393100] RAW 5KB 7KB [ 49.398613] UDP 29KB 31KB [ 49.404173] TCP 7KB 15KB [ 49.409681] hugetlbfs_inode_cache 1KB 7KB [ 49.415552] eventpoll_pwq 11KB 15KB [ 49.422594] eventpoll_epi 21KB 27KB [ 49.428167] inotify_inode_mark 3KB 7KB [ 49.434376] request_queue 34KB 68KB [ 49.439908] blkdev_ioc 25KB 27KB [ 49.445424] bio-0 277KB 277KB [ 49.450939] biovec-(1<<(21-12)) 420KB 420KB [ 49.456620] biovec-64 126KB 126KB [ 49.462141] biovec-16 15KB 15KB [ 49.467669] bio_integrity_payload 0KB 4KB [ 49.473887] khugepaged_mm_slot 0KB 3KB [ 49.480209] uid_cache 0KB 3KB [ 49.485732] dmaengine-unmap-2 0KB 3KB [ 49.491252] audit_buffer 0KB 3KB [ 49.496790] skbuff_fclone_cache 130KB 135KB [ 49.502763] skbuff_head_cache 1663KB 1665KB [ 49.508275] configfs_dir_cache 0KB 4KB [ 49.513870] file_lock_cache 160KB 162KB [ 49.519995] file_lock_ctx 1KB 3KB [ 49.525868] fsnotify_mark_connector 2KB 3KB [ 49.531909] shmem_inode_cache 1037KB 1038KB [ 49.537427] task_delay_info 302KB 355KB [ 49.542946] sigqueue 346KB 350KB [ 49.548882] kernfs_node_cache 2161KB 2165KB [ 49.554403] mnt_cache 15KB 20KB [ 49.559927] filp 8381KB 8580KB [ 49.565972] names_cache 110211KB 110249KB [ 49.571494] avc_node 37KB 39KB [ 49.577050] selinux_file_security 416KB 453KB [ 49.582905] selinux_inode_security 1936KB 1940KB [ 49.589206] key_jar 3KB 7KB [ 49.594744] nsproxy 0KB 3KB [ 49.600271] vm_area_struct 18055KB 18059KB [ 49.605797] mm_struct 4307KB 4312KB [ 49.612009] fs_cache 404KB 428KB [ 49.617557] files_cache 1515KB 1518KB [ 49.623366] signal_cache 2417KB 2422KB [ 49.628905] sighand_cache 215KB 312KB [ 49.634414] task_struct 10320KB 10320KB [ 49.639915] cred_jar 2276KB 2280KB [ 49.645703] anon_vma_chain 7507KB 7512KB [ 49.651201] anon_vma 117KB 277KB [ 49.656706] pid 210KB 248KB [ 49.662568] Acpi-Operand 106KB 170KB [ 49.668131] Acpi-Namespace 19KB 23KB [ 49.673660] numa_policy 0KB 3KB [ 49.680311] debug_objects_cache 504KB 504KB [ 49.686042] trace_event_file 145KB 147KB [ 49.691553] ftrace_event_field 257KB 259KB [ 49.697940] pool_workqueue 22KB 24KB [ 49.703458] page->ptl 2965KB 2968KB [ 49.709004] kmalloc-262144 1032KB 1032KB [ 49.714527] kmalloc-131072 650KB 650KB [ 49.720055] kmalloc-65536 264KB 264KB [ 49.725601] kmalloc-32768 627KB 627KB [ 49.731212] kmalloc-16384 148KB 148KB [ 49.737104] kmalloc-8192 503KB 503KB [ 49.742677] kmalloc-4096 7441KB 7480KB [ 49.748894] kmalloc-2048 4322KB 4322KB [ 49.754424] kmalloc-1024 3031KB 3031KB [ 49.759980] kmalloc-512 2651KB 2887KB [ 49.766215] kmalloc-256 1962KB 2362KB [ 49.771741] kmalloc-128 394KB 527KB [ 49.777274] kmalloc-96 2108KB 2108KB [ 49.783129] kmalloc-64 2512KB 2512KB [ 49.788696] kmalloc-32 2401KB 2401KB [ 49.794258] kmalloc-192 920KB 920KB [ 49.799764] kmem_cache 100KB 101KB [ 49.805281] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 49.814096] [ 1783] 0 1783 5384 175 86016 0 -1000 udevd [ 49.822305] [ 3359] 0 3359 14299 213 122880 0 0 rsyslogd [ 49.830744] [ 3414] 0 3414 4725 51 86016 0 0 cron [ 49.838841] [ 3432] 0 3432 3737 45 73728 0 0 mcstransd [ 49.847376] [ 3457] 0 3457 12490 153 135168 0 -1000 sshd [ 49.855476] [ 3484] 0 3484 3694 42 73728 0 0 getty [ 49.863662] [ 3485] 0 3485 3694 40 77824 0 0 getty [ 49.873076] [ 3486] 0 3486 3694 40 77824 0 0 getty [ 49.881288] [ 3487] 0 3487 3694 39 77824 0 0 getty [ 49.889475] [ 3488] 0 3488 3694 40 73728 0 0 getty [ 49.898190] [ 3489] 0 3489 3694 41 73728 0 0 getty [ 49.906374] [ 3490] 0 3490 3649 40 77824 0 0 getty [ 49.914561] [ 3494] 0 3494 5681 454 90112 0 -1000 udevd [ 49.922742] [ 3495] 0 3495 5681 454 90112 0 -1000 udevd [ 49.930924] [ 3512] 0 3512 17821 197 184320 0 0 sshd [ 49.939048] [ 3514] 0 3514 280 1 32768 0 0 syzkaller016496 [ 49.948111] Out of memory: Kill process 3512 (sshd) score 0 or sacrifice child [ 49.956542] Killed process 3514 (syzkaller016496) total-vm:1120kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB