[....] Starting enhanced syslogd: rsyslogd[ 13.077206] audit: type=1400 audit(1516406574.473:5): avc: denied { syslog } for pid=3499 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 18.375733] audit: type=1400 audit(1516406579.771:6): avc: denied { map } for pid=3640 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.44' (ECDSA) to the list of known hosts. [ 24.687416] audit: type=1400 audit(1516406586.083:7): avc: denied { map } for pid=3654 comm="syzkaller172790" path="/root/syzkaller172790456" 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 executing program [ 24.863263] audit: type=1400 audit(1516406586.258:8): avc: denied { map_create } for pid=3663 comm="syzkaller172790" 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 executing program executing program executing program executing program executing program executing program executing program [ 31.568374] syzkaller172790 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 31.580885] syzkaller172790 cpuset=/ mems_allowed=0 [ 31.586276] CPU: 1 PID: 3668 Comm: syzkaller172790 Not tainted 4.15.0-rc8+ #269 [ 31.593716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.603045] Call Trace: [ 31.605611] dump_stack+0x194/0x257 [ 31.609216] ? arch_local_irq_restore+0x53/0x53 [ 31.613860] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.619038] dump_header+0x28c/0xe1e [ 31.622732] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.627898] ? pagefault_out_of_memory+0x152/0x152 [ 31.632826] ? check_noncircular+0x20/0x20 [ 31.637038] ? print_irqtrace_events+0x270/0x270 [ 31.641778] ? __lock_acquire+0x664/0x3e00 [ 31.645988] ? check_noncircular+0x20/0x20 [ 31.650203] ? find_held_lock+0x35/0x1d0 [ 31.654241] ? check_noncircular+0x20/0x20 [ 31.658447] ? task_will_free_mem+0x252/0xaa0 [ 31.662920] ? print_irqtrace_events+0x270/0x270 [ 31.667654] ? ___ratelimit+0x30d/0x630 [ 31.671601] ? lock_downgrade+0x980/0x980 [ 31.675725] ? lock_release+0xa40/0xa40 [ 31.679675] ? mark_held_locks+0xaf/0x100 [ 31.683794] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 31.688882] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.693872] ? trace_hardirqs_on+0xd/0x10 [ 31.697997] ? ___ratelimit+0x95/0x630 [ 31.701865] ? idr_get_free_cmn+0xfd0/0xfd0 [ 31.706162] ? check_noncircular+0x20/0x20 [ 31.710366] ? find_held_lock+0x138/0x1d0 [ 31.714499] oom_kill_process+0x8b5/0x14a0 [ 31.718710] ? has_ns_capability_noaudit+0x163/0x2a0 [ 31.723788] ? lock_downgrade+0x980/0x980 [ 31.727912] ? oom_evaluate_task+0x480/0x480 [ 31.732301] ? security_capable_noaudit+0x8b/0xc0 [ 31.737121] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 31.742196] ? has_capability+0x30/0x30 [ 31.746142] ? do_raw_spin_trylock+0x190/0x190 [ 31.750700] ? check_noncircular+0x20/0x20 [ 31.754913] ? has_capability_noaudit+0x24/0x30 [ 31.759553] ? oom_badness+0xd1/0x980 [ 31.763323] ? lock_release+0xa40/0xa40 [ 31.767272] ? find_lock_task_mm+0x460/0x460 [ 31.771652] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.776644] ? find_held_lock+0x35/0x1d0 [ 31.780687] ? out_of_memory+0xb3a/0x1220 [ 31.784811] ? lock_downgrade+0x980/0x980 [ 31.788935] ? lock_release+0xa40/0xa40 [ 31.792879] ? lock_acquire+0x256/0x580 [ 31.796843] ? oom_evaluate_task+0x284/0x480 [ 31.801229] out_of_memory+0x86d/0x1220 [ 31.805184] ? oom_killer_disable+0x310/0x310 [ 31.809650] ? mutex_trylock+0x23a/0x2d0 [ 31.813683] ? __lock_is_held+0xb6/0x140 [ 31.817716] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 31.823152] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 31.827990] ? warn_alloc+0x2b0/0x2b0 [ 31.831768] ? lock_release+0xa40/0xa40 [ 31.835719] ? print_irqtrace_events+0x270/0x270 [ 31.840453] ? put_prev_task_fair+0x80/0x80 [ 31.844757] ? lock_acquire+0x1d5/0x580 [ 31.848703] ? lock_acquire+0x1d5/0x580 [ 31.852656] ? __lock_acquire+0x664/0x3e00 [ 31.856867] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 31.862742] ? lock_release+0xa40/0xa40 [ 31.866709] ? __lock_is_held+0xb6/0x140 [ 31.870753] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 31.876618] ? __might_sleep+0x95/0x190 [ 31.880568] __alloc_pages_nodemask+0x9fb/0xd80 [ 31.885211] ? lock_release+0xa40/0xa40 [ 31.889164] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 31.894168] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 31.899074] ? print_irqtrace_events+0x270/0x270 [ 31.903811] ? __lock_is_held+0xb6/0x140 [ 31.907853] ? find_next_bit+0x27/0x30 [ 31.911717] pcpu_populate_chunk+0x1b3/0x880 [ 31.916108] pcpu_alloc+0x978/0x10e0 [ 31.919803] ? pcpu_free_area+0xa00/0xa00 [ 31.923921] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 31.928391] ? vmap_page_range_noflush+0x523/0x720 [ 31.933306] ? retint_kernel+0x10/0x10 [ 31.937169] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.942165] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.946898] ? retint_kernel+0x10/0x10 [ 31.950777] __alloc_percpu_gfp+0x27/0x30 [ 31.954899] array_map_alloc+0x794/0x990 [ 31.958950] SyS_bpf+0x7f8/0x4400 [ 31.962373] ? check_noncircular+0x20/0x20 [ 31.966587] ? bpf_prog_get+0x20/0x20 [ 31.970364] ? perf_event_fork+0x30/0x30 [ 31.974405] ? __lock_is_held+0xb6/0x140 [ 31.978441] ? check_noncircular+0x20/0x20 [ 31.982659] ? __handle_mm_fault+0x80e/0x3ce0 [ 31.987131] ? check_noncircular+0x20/0x20 [ 31.991337] ? __pmd_alloc+0x4e0/0x4e0 [ 31.995198] ? vma_link+0xe9/0x170 [ 31.998714] ? find_held_lock+0x35/0x1d0 [ 32.002755] ? handle_mm_fault+0x248/0x8d0 [ 32.006973] ? find_held_lock+0x35/0x1d0 [ 32.011021] ? __do_page_fault+0x5f7/0xc90 [ 32.015240] ? lock_downgrade+0x980/0x980 [ 32.019366] ? handle_mm_fault+0x410/0x8d0 [ 32.023571] ? down_read_trylock+0xdb/0x170 [ 32.027863] ? __do_page_fault+0x32d/0xc90 [ 32.032069] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 32.036623] ? vmacache_find+0x5f/0x280 [ 32.040568] ? vmacache_update+0xfe/0x130 [ 32.044693] ? up_read+0x1a/0x40 [ 32.048035] ? __do_page_fault+0x3d6/0xc90 [ 32.052252] ? mm_fault_error+0x2c0/0x2c0 [ 32.056381] ? do_page_fault+0xee/0x720 [ 32.060327] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 32.065837] ? __do_page_fault+0xc90/0xc90 [ 32.070053] ? SyS_mmap_pgoff+0x243/0x5f0 [ 32.074186] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.078919] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 32.083648] RIP: 0033:0x440859 [ 32.086810] RSP: 002b:00007ffe7a1860e8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 32.094490] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440859 [ 32.101733] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 32.108978] RBP: 00000000006cb018 R08: 0000000000000000 R09: 0000000000000000 [ 32.116218] R10: 00000000ffffffff R11: 0000000000000217 R12: 0000000000401c30 [ 32.123459] R13: 0000000000401cc0 R14: 0000000000000000 R15: 0000000000000000 [ 32.130828] Mem-Info: [ 32.133672] active_anon:7946 inactive_anon:63 isolated_anon:0 [ 32.133672] active_file:13 inactive_file:12 isolated_file:0 [ 32.133672] unevictable:0 dirty:0 writeback:0 unstable:0 [ 32.133672] slab_reclaimable:7388 slab_unreclaimable:85499 [ 32.133672] mapped:2 shmem:70 pagetables:381 bounce:0 [ 32.133672] free:24002 free_pcp:266 free_cma:0 [ 32.165827] Node 0 active_anon:31784kB inactive_anon:252kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 32.192647] 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 [ 32.218769] lowmem_reserve[]: 0 2870 6381 6381 [ 32.223405] Node 0 DMA32 free:43540kB min:30332kB low:37912kB high:45492kB active_anon:12316kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.251050] lowmem_reserve[]: 0 0 3510 3510 [ 32.255414] Node 0 Normal free:36576kB min:37084kB low:46352kB high:55620kB active_anon:19468kB inactive_anon:248kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3424kB pagetables:1500kB bounce:0kB free_pcp:1064kB local_pcp:352kB free_cma:0kB [ 32.284746] lowmem_reserve[]: 0 0 0 0 [ 32.288626] 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 [ 32.302264] Node 0 DMA32: 7*4kB (UME) 5*8kB (UME) 9*16kB (UME) 4*32kB (UME) 5*64kB (UME) 5*128kB (ME) 5*256kB (UM) 4*512kB (ME) 4*1024kB (UME) 1*2048kB (E) 8*4096kB (M) = 43540kB [ 32.318383] Node 0 Normal: 682*4kB (UM) 503*8kB (UM) 316*16kB (UM) 136*32kB (UM) 67*64kB (UM) 28*128kB (UM) 29*256kB (M) 10*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36576kB [ 32.333937] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 32.342524] 95 total pagecache pages [ 32.346260] 0 pages in swap cache [ 32.349725] Swap cache stats: add 0, delete 0, find 0/0 [ 32.355095] Free swap = 0kB [ 32.358131] Total swap = 0kB [ 32.361151] 1965979 pages RAM [ 32.364257] 0 pages HighMem/MovableOnly [ 32.368228] 327760 pages reserved [ 32.371731] Unreclaimable slab info: [ 32.375504] Name Used Total [ 32.381100] pid_2 1KB 4KB [ 32.386482] hashtab_node 118KB 119KB [ 32.391865] ebitmap_node 382KB 385KB [ 32.397228] avtab_node 1012KB 1013KB [ 32.402608] TIPC 18KB 21KB [ 32.407977] SCTPv6 20KB 20KB [ 32.413345] DCCPv6 21KB 21KB [ 32.419337] DCCP 20KB 20KB [ 32.424727] fib6_nodes 0KB 4KB [ 32.430090] ip6_dst_cache 6KB 7KB [ 32.435470] RAWv6 91KB 91KB [ 32.440840] UDPv6 12KB 14KB [ 32.446205] TCPv6 2KB 5KB [ 32.451596] sd_ext_cdb 0KB 3KB [ 32.456967] scsi_sense_cache 89KB 120KB [ 32.462332] virtio_scsi_cmd 16KB 16KB [ 32.467708] sgpool-128 8KB 8KB [ 32.473088] sgpool-64 4KB 6KB [ 32.478463] sgpool-32 59KB 63KB [ 32.483897] sgpool-16 25KB 26KB [ 32.489279] sgpool-8 168KB 168KB [ 32.494653] cfq_io_cq 15KB 19KB [ 32.500029] cfq_queue 24KB 27KB [ 32.505408] mqueue_inode_cache 12KB 14KB [ 32.510868] nfs_commit_data 3KB 7KB [ 32.516228] nfs_write_data 34KB 37KB [ 32.521610] jbd2_inode 1KB 3KB [ 32.526983] ext4_system_zone 0KB 3KB [ 32.532354] bio-1 1KB 3KB [ 32.537739] pid_namespace 2KB 3KB [ 32.543226] rpc_buffers 17KB 19KB [ 32.548598] rpc_tasks 2KB 3KB [ 32.554428] UNIX 780KB 784KB [ 32.559815] tcp_bind_bucket 2KB 4KB [ 32.565200] ip_fib_trie 0KB 3KB [ 32.570568] ip_fib_alias 0KB 3KB [ 32.575943] ip_dst_cache 4KB 7KB [ 32.581324] RAW 57KB 57KB [ 32.586693] UDP 46KB 46KB [ 32.592057] TCP 31KB 31KB [ 32.597432] hugetlbfs_inode_cache 1KB 7KB [ 32.603164] eventpoll_pwq 10KB 15KB [ 32.608532] eventpoll_epi 18KB 27KB [ 32.613904] inotify_inode_mark 3KB 7KB [ 32.619372] request_queue 53KB 135KB [ 32.624742] blkdev_ioc 20KB 23KB [ 32.630120] bio-0 277KB 277KB [ 32.635495] biovec-(1<<(21-12)) 462KB 462KB [ 32.641049] biovec-64 94KB 102KB [ 32.646420] biovec-16 10KB 18KB [ 32.651795] bio_integrity_payload 0KB 4KB [ 32.657525] khugepaged_mm_slot 1KB 3KB [ 32.662984] uid_cache 1KB 3KB [ 32.668364] dmaengine-unmap-2 0KB 3KB [ 32.673747] audit_buffer 0KB 3KB [ 32.679138] skbuff_fclone_cache 141KB 142KB [ 32.684681] skbuff_head_cache 2355KB 2355KB [ 32.690489] configfs_dir_cache 0KB 4KB [ 32.695959] file_lock_cache 161KB 162KB [ 32.701340] file_lock_ctx 1KB 3KB [ 32.706710] fsnotify_mark_connector 2KB 3KB [ 32.712592] net_namespace 59KB 59KB [ 32.717969] shmem_inode_cache 1054KB 1054KB [ 32.723350] task_delay_info 324KB 336KB [ 32.728720] sigqueue 365KB 370KB [ 32.734082] kernfs_node_cache 3640KB 3642KB [ 32.739504] mnt_cache 67KB 68KB [ 32.744874] filp 8283KB 8737KB [ 32.750237] names_cache 109548KB 109586KB [ 32.755614] avc_node 38KB 43KB [ 32.760980] selinux_file_security 424KB 496KB [ 32.766691] selinux_inode_security 1978KB 1980KB [ 32.772490] key_jar 3KB 7KB [ 32.777865] nsproxy 4KB 7KB [ 32.783249] vm_area_struct 18675KB 18678KB [ 32.788626] mm_struct 4529KB 4531KB [ 32.793997] fs_cache 430KB 432KB [ 32.799381] files_cache 1600KB 1601KB [ 32.804757] signal_cache 2551KB 2558KB [ 32.810120] sighand_cache 242KB 339KB [ 32.815495] task_struct 10890KB 10896KB [ 32.820865] cred_jar 2355KB 2356KB [ 32.826634] anon_vma_chain 7837KB 7839KB [ 32.832005] anon_vma 168KB 315KB [ 32.837394] pid 224KB 240KB [ 32.842763] Acpi-Operand 106KB 170KB [ 32.848125] Acpi-Parse 0KB 7KB [ 32.853500] Acpi-State 0KB 11KB [ 32.858868] Acpi-Namespace 19KB 23KB [ 32.864230] numa_policy 0KB 3KB [ 32.869602] debug_objects_cache 558KB 559KB [ 32.875157] trace_event_file 144KB 147KB [ 32.880522] ftrace_event_field 254KB 255KB [ 32.885982] pool_workqueue 43KB 44KB [ 32.891365] page->ptl 3116KB 3119KB [ 32.896760] kmalloc-262144 1032KB 1032KB [ 32.902123] kmalloc-131072 650KB 650KB [ 32.907495] kmalloc-65536 264KB 264KB [ 32.912865] kmalloc-32768 1353KB 1353KB [ 32.918226] kmalloc-16384 313KB 313KB [ 32.923600] kmalloc-8192 800KB 800KB [ 32.928967] kmalloc-4096 9418KB 9456KB [ 32.934330] kmalloc-2048 4594KB 4596KB [ 32.939703] kmalloc-1024 4087KB 4087KB [ 32.945088] kmalloc-512 3326KB 3326KB [ 32.950458] kmalloc-256 2467KB 2520KB [ 32.955837] kmalloc-128 529KB 531KB [ 32.961978] kmalloc-96 2072KB 2072KB [ 32.967369] kmalloc-64 2548KB 2548KB [ 32.972750] kmalloc-32 2492KB 2492KB [ 32.978171] kmalloc-192 1024KB 1024KB [ 32.983549] kmem_cache 105KB 108KB [ 32.988918] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 32.997607] [ 1818] 0 1818 5385 186 94208 0 -1000 udevd [ 33.005870] [ 3350] 0 3350 2493 573 53248 0 0 dhclient [ 33.014286] [ 3499] 0 3499 14298 173 122880 0 0 rsyslogd [ 33.022696] [ 3549] 0 3549 4725 50 81920 0 0 cron [ 33.030758] [ 3572] 0 3572 3735 44 65536 0 0 mcstransd [ 33.039268] [ 3577] 0 3577 12927 1227 131072 0 0 restorecond [ 33.047958] [ 3600] 0 3600 12490 152 143360 0 -1000 sshd [ 33.056030] [ 3624] 0 3624 3694 40 73728 0 0 getty [ 33.064181] [ 3625] 0 3625 3694 42 73728 0 0 getty [ 33.072329] [ 3626] 0 3626 3694 40 77824 0 0 getty [ 33.080471] [ 3627] 0 3627 3694 41 73728 0 0 getty [ 33.088631] [ 3628] 0 3628 3694 39 73728 0 0 getty [ 33.096794] [ 3629] 0 3629 3694 41 73728 0 0 getty [ 33.104952] [ 3630] 0 3630 3649 39 77824 0 0 getty [ 33.113120] [ 3634] 0 3634 5681 454 90112 0 -1000 udevd [ 33.121300] [ 3635] 0 3635 5681 454 90112 0 -1000 udevd [ 33.129470] [ 3652] 0 3652 17821 198 184320 0 0 sshd [ 33.137554] [ 3654] 0 3654 285 1 32768 0 0 syzkaller172790 [ 33.146597] [ 3655] 0 3655 285 11 32768 0 0 syzkaller172790 [ 33.155628] [ 3656] 0 3656 285 11 32768 0 0 syzkaller172790 [ 33.164662] [ 3657] 0 3657 285 11 32768 0 0 syzkaller172790 [ 33.173696] [ 3658] 0 3658 285 11 32768 0 0 syzkaller172790 [ 33.182729] [ 3659] 0 3659 285 11 32768 0 0 syzkaller172790 [ 33.191780] [ 3660] 0 3660 285 11 32768 0 0 syzkaller172790 [ 33.200817] [ 3661] 0 3661 285 11 32768 0 0 syzkaller172790 [ 33.209850] [ 3662] 0 3662 285 11 32768 0 0 syzkaller172790 [ 33.218883] [ 3663] 0 3663 4048 523 36864 0 0 syzkaller172790 [ 33.227917] [ 3664] 0 3664 4048 523 36864 0 0 syzkaller172790 [ 33.236954] [ 3665] 0 3665 4048 523 36864 0 0 syzkaller172790 [ 33.245985] [ 3666] 0 3666 4048 523 36864 0 0 syzkaller172790 [ 33.255067] [ 3667] 0 3667 4048 523 36864 0 0 syzkaller172790 [ 33.264104] [ 3668] 0 3668 4048 523 36864 0 0 syzkaller172790 [ 33.273136] [ 3669] 0 3669 4048 523 36864 0 0 syzkaller172790 [ 33.282170] [ 3670] 0 3670 4048 523 36864 0 0 syzkaller172790 [ 33.291196] Out of memory: Kill process 3577 (restorecond) score 0 or sacrifice child [ 33.300417] Killed process 3577 (restorecond) total-vm:51708kB, anon-rss:4908kB, file-rss:0kB, shmem-rss:0kB [ 33.337419] syzkaller172790 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 33.349789] syzkaller172790 cpuset=/ mems_allowed=0 [ 33.354851] CPU: 0 PID: 3665 Comm: syzkaller172790 Not tainted 4.15.0-rc8+ #269 [ 33.362284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.371625] Call Trace: [ 33.374206] dump_stack+0x194/0x257 [ 33.377829] ? arch_local_irq_restore+0x53/0x53 [ 33.382493] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.387685] dump_header+0x28c/0xe1e [ 33.391400] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.396584] ? pagefault_out_of_memory+0x152/0x152 [ 33.401501] ? check_noncircular+0x20/0x20 [ 33.405729] ? print_irqtrace_events+0x270/0x270 [ 33.410483] ? __lock_acquire+0x664/0x3e00 [ 33.414713] ? check_noncircular+0x20/0x20 [ 33.418948] ? find_held_lock+0x35/0x1d0 [ 33.423012] ? check_noncircular+0x20/0x20 [ 33.427234] ? task_will_free_mem+0x252/0xaa0 [ 33.431726] ? print_irqtrace_events+0x270/0x270 [ 33.436481] ? ___ratelimit+0x30d/0x630 [ 33.440444] ? lock_downgrade+0x980/0x980 [ 33.444597] ? lock_release+0xa40/0xa40 [ 33.448575] ? mark_held_locks+0xaf/0x100 [ 33.452712] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 33.457808] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.462816] ? trace_hardirqs_on+0xd/0x10 [ 33.466960] ? ___ratelimit+0x95/0x630 [ 33.470839] ? idr_get_free_cmn+0xfd0/0xfd0 [ 33.475150] ? check_noncircular+0x20/0x20 [ 33.479369] ? find_held_lock+0x138/0x1d0 [ 33.483518] oom_kill_process+0x8b5/0x14a0 [ 33.487753] ? has_ns_capability_noaudit+0x163/0x2a0 [ 33.492847] ? lock_downgrade+0x980/0x980 [ 33.496994] ? oom_evaluate_task+0x480/0x480 [ 33.501412] ? security_capable_noaudit+0x8b/0xc0 [ 33.506250] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 33.511346] ? has_capability+0x30/0x30 [ 33.515309] ? do_raw_spin_trylock+0x190/0x190 [ 33.519884] ? check_noncircular+0x20/0x20 [ 33.524117] ? has_capability_noaudit+0x24/0x30 [ 33.528779] ? oom_badness+0xd1/0x980 [ 33.532567] ? lock_release+0xa40/0xa40 [ 33.536548] ? do_try_to_free_pages+0xc53/0x1020 [ 33.541301] ? find_lock_task_mm+0x460/0x460 [ 33.545707] ? find_held_lock+0x35/0x1d0 [ 33.549771] ? out_of_memory+0xb3a/0x1220 [ 33.553908] ? lock_downgrade+0x980/0x980 [ 33.558049] ? lock_release+0xa40/0xa40 [ 33.562008] ? lock_acquire+0x1d5/0x580 [ 33.565975] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 33.570908] ? oom_evaluate_task+0x284/0x480 [ 33.575318] out_of_memory+0x86d/0x1220 [ 33.579280] ? trace_hardirqs_on+0xd/0x10 [ 33.583434] ? oom_killer_disable+0x310/0x310 [ 33.587914] ? mutex_trylock+0x23a/0x2d0 [ 33.591968] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 33.597407] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 33.603299] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 33.608181] ? warn_alloc+0x2b0/0x2b0 [ 33.611972] ? lock_release+0xa40/0xa40 [ 33.615942] ? print_irqtrace_events+0x270/0x270 [ 33.620693] ? put_prev_task_fair+0x80/0x80 [ 33.625013] ? mutex_spin_on_owner+0x446/0xb50 [ 33.629605] ? __lock_acquire+0x664/0x3e00 [ 33.633836] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 33.639707] ? lock_release+0xa40/0xa40 [ 33.643731] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 33.649626] ? __might_sleep+0x95/0x190 [ 33.653597] __alloc_pages_nodemask+0x9fb/0xd80 [ 33.658264] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 33.663285] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 33.668211] ? print_irqtrace_events+0x270/0x270 [ 33.672967] ? __lock_is_held+0xb6/0x140 [ 33.677033] ? find_next_bit+0x27/0x30 [ 33.680918] pcpu_populate_chunk+0x1b3/0x880 [ 33.685338] pcpu_alloc+0x978/0x10e0 [ 33.689065] ? pcpu_free_area+0xa00/0xa00 [ 33.693208] ? vmap_page_range_noflush+0x523/0x720 [ 33.698159] ? map_vm_area+0x9e/0xd0 [ 33.701869] ? __vmalloc_node_range+0x37a/0x650 [ 33.706547] ? array_map_alloc+0x354/0x990 [ 33.710772] ? __vmalloc_node_flags_caller+0x50/0x60 [ 33.715871] __alloc_percpu_gfp+0x27/0x30 [ 33.720010] array_map_alloc+0x794/0x990 [ 33.724080] SyS_bpf+0x7f8/0x4400 [ 33.727527] ? check_noncircular+0x20/0x20 [ 33.731757] ? bpf_prog_get+0x20/0x20 [ 33.735557] ? perf_event_fork+0x30/0x30 [ 33.739623] ? __lock_is_held+0xb6/0x140 [ 33.743673] ? check_noncircular+0x20/0x20 [ 33.747910] ? __handle_mm_fault+0x80e/0x3ce0 [ 33.752408] ? check_noncircular+0x20/0x20 [ 33.756628] ? __pmd_alloc+0x4e0/0x4e0 [ 33.760505] ? vma_link+0xe9/0x170 [ 33.764045] ? find_held_lock+0x35/0x1d0 [ 33.768107] ? handle_mm_fault+0x248/0x8d0 [ 33.772335] ? find_held_lock+0x35/0x1d0 [ 33.776398] ? __do_page_fault+0x5f7/0xc90 [ 33.780622] ? lock_downgrade+0x980/0x980 [ 33.784773] ? handle_mm_fault+0x410/0x8d0 [ 33.788992] ? down_read_trylock+0xdb/0x170 [ 33.793303] ? __do_page_fault+0x32d/0xc90 [ 33.797537] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 33.802104] ? vmacache_find+0x5f/0x280 [ 33.806067] ? vmacache_update+0xfe/0x130 [ 33.810218] ? up_read+0x1a/0x40 [ 33.813662] ? __do_page_fault+0x3d6/0xc90 [ 33.817901] ? mm_fault_error+0x2c0/0x2c0 [ 33.822058] ? do_page_fault+0xee/0x720 [ 33.826021] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 33.831549] ? __do_page_fault+0xc90/0xc90 [ 33.835792] ? SyS_mmap_pgoff+0x243/0x5f0 [ 33.839946] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.844707] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 33.849449] RIP: 0033:0x440859 [ 33.852623] RSP: 002b:00007ffe7a1860e8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 33.860321] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440859 [ 33.867577] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 33.874835] RBP: 00000000006cb018 R08: 0000000000000000 R09: 0000000000000000 [ 33.882094] R10: 00000000ffffffff R11: 0000000000000217 R12: 0000000000401c30 [ 33.889352] R13: 0000000000401cc0 R14: 0000000000000000 R15: 0000000000000000 [ 33.896766] Mem-Info: [ 33.899433] active_anon:6717 inactive_anon:63 isolated_anon:0 [ 33.899433] active_file:12 inactive_file:12 isolated_file:1 [ 33.899433] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.899433] slab_reclaimable:7388 slab_unreclaimable:85496 [ 33.899433] mapped:2 shmem:70 pagetables:354 bounce:0 [ 33.899433] free:24138 free_pcp:282 free_cma:0 [ 33.931632] Node 0 active_anon:26868kB inactive_anon:252kB active_file:100kB inactive_file:132kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 33.958922] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 33.985182] lowmem_reserve[]: 0 2870 6381 6381 [ 33.989830] Node 0 DMA32 free:43540kB min:30332kB low:37912kB high:45492kB active_anon:12316kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 34.017456] lowmem_reserve[]: 0 0 3510 3510 [ 34.021784] Node 0 Normal free:37640kB min:37084kB low:46352kB high:55620kB active_anon:14552kB inactive_anon:248kB active_file:132kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3392kB pagetables:1392kB bounce:0kB free_pcp:388kB local_pcp:0kB free_cma:0kB [ 34.050605] lowmem_reserve[]: 0 0 0 0 [ 34.054422] 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 [ 34.068050] Node 0 DMA32: 7*4kB (UME) 5*8kB (UME) 9*16kB (UME) 4*32kB (UME) 5*64kB (UME) 5*128kB (ME) 5*256kB (UM) 4*512kB (ME) 4*1024kB (UME) 1*2048kB (E) 8*4096kB (M) = 43540kB [ 34.084631] Node 0 Normal: 461*4kB (UME) 456*8kB (M) 313*16kB (MH) 192*32kB (UME) 88*64kB (ME) 29*128kB (M) 29*256kB (M) 8*512kB (ME) 0*1024kB 0*2048kB 0*4096kB = 37508kB [ 34.100047] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 34.108639] 247 total pagecache pages [ 34.112471] 0 pages in swap cache [ 34.115950] Swap cache stats: add 0, delete 0, find 0/0 [ 34.121337] Free swap = 0kB [ 34.124376] Total swap = 0kB [ 34.127414] 1965979 pages RAM [ 34.130534] 0 pages HighMem/MovableOnly [ 34.134532] 327760 pages reserved [ 34.137997] Unreclaimable slab info: [ 34.141705] Name Used Total [ 34.147248] pid_2 1KB 4KB [ 34.152623] hashtab_node 118KB 119KB [ 34.158042] ebitmap_node 382KB 385KB [ 34.163410] avtab_node 1012KB 1013KB [ 34.168795] TIPC 18KB 21KB [ 34.174196] SCTPv6 20KB 20KB [ 34.179605] DCCPv6 21KB 21KB [ 34.185004] DCCP 20KB 20KB [ 34.190431] fib6_nodes 0KB 4KB [ 34.195800] ip6_dst_cache 6KB 7KB [ 34.201545] RAWv6 91KB 91KB [ 34.206938] UDPv6 12KB 14KB [ 34.212313] TCPv6 2KB 5KB [ 34.218486] sd_ext_cdb 0KB 3KB [ 34.223883] scsi_sense_cache 89KB 120KB [ 34.229248] virtio_scsi_cmd 16KB 16KB [ 34.234613] sgpool-128 8KB 8KB [ 34.240000] sgpool-64 4KB 6KB [ 34.245410] sgpool-32 102KB 102KB [ 34.250863] sgpool-16 41KB 41KB [ 34.256270] sgpool-8 176KB 176KB [ 34.261642] cfq_io_cq 17KB 19KB [ 34.267006] cfq_queue 27KB 27KB [ 34.272412] mqueue_inode_cache 12KB 14KB [ 34.277886] nfs_commit_data 3KB 7KB [ 34.283273] nfs_write_data 34KB 37KB [ 34.288668] jbd2_inode 1KB 3KB [ 34.294052] ext4_system_zone 0KB 3KB [ 34.299446] bio-1 1KB 3KB [ 34.304832] pid_namespace 2KB 3KB [ 34.310239] rpc_buffers 17KB 19KB [ 34.315617] rpc_tasks 2KB 3KB [ 34.320982] UNIX 780KB 784KB [ 34.326346] tcp_bind_bucket 2KB 4KB [ 34.331704] ip_fib_trie 0KB 3KB [ 34.337133] ip_fib_alias 0KB 3KB [ 34.342504] ip_dst_cache 4KB 7KB [ 34.347869] RAW 57KB 57KB [ 34.353629] UDP 46KB 46KB [ 34.359031] TCP 31KB 31KB [ 34.364422] hugetlbfs_inode_cache 1KB 7KB [ 34.370157] eventpoll_pwq 10KB 15KB [ 34.375536] eventpoll_epi 18KB 27KB [ 34.380915] inotify_inode_mark 3KB 7KB [ 34.386389] request_queue 53KB 135KB [ 34.391756] blkdev_ioc 23KB 23KB [ 34.397128] bio-0 333KB 333KB [ 34.402515] biovec-(1<<(21-12)) 462KB 462KB [ 34.408073] biovec-64 102KB 102KB [ 34.413459] biovec-16 33KB 33KB [ 34.418845] bio_integrity_payload 0KB 4KB [ 34.424578] khugepaged_mm_slot 1KB 3KB [ 34.430055] uid_cache 1KB 3KB [ 34.435447] dmaengine-unmap-2 0KB 3KB [ 34.440835] audit_buffer 0KB 3KB [ 34.446206] skbuff_fclone_cache 141KB 142KB [ 34.451755] skbuff_head_cache 2355KB 2355KB [ 34.457135] configfs_dir_cache 0KB 4KB [ 34.462596] file_lock_cache 161KB 162KB [ 34.467953] file_lock_ctx 1KB 3KB [ 34.473312] fsnotify_mark_connector 2KB 3KB [ 34.479596] net_namespace 59KB 59KB [ 34.485044] shmem_inode_cache 1054KB 1054KB [ 34.490480] task_delay_info 324KB 336KB [ 34.495870] sigqueue 368KB 370KB [ 34.501259] kernfs_node_cache 3640KB 3642KB [ 34.506627] mnt_cache 67KB 68KB [ 34.511983] filp 8283KB 8737KB [ 34.517335] names_cache 109548KB 109586KB [ 34.522689] avc_node 38KB 43KB [ 34.528088] selinux_file_security 424KB 496KB [ 34.533785] selinux_inode_security 1978KB 1980KB [ 34.539567] key_jar 3KB 7KB [ 34.544912] nsproxy 4KB 7KB [ 34.550262] vm_area_struct 18675KB 18678KB [ 34.555609] mm_struct 4529KB 4531KB [ 34.560985] fs_cache 430KB 432KB [ 34.566350] files_cache 1600KB 1601KB [ 34.571707] signal_cache 2551KB 2558KB [ 34.577064] sighand_cache 242KB 339KB [ 34.582420] task_struct 10890KB 10896KB [ 34.587777] cred_jar 2355KB 2356KB [ 34.593177] anon_vma_chain 7837KB 7839KB [ 34.598549] anon_vma 168KB 315KB [ 34.603916] pid 224KB 240KB [ 34.610093] Acpi-Operand 106KB 170KB [ 34.615469] Acpi-Parse 0KB 7KB [ 34.620824] Acpi-State 0KB 11KB [ 34.626179] Acpi-Namespace 19KB 23KB [ 34.631536] numa_policy 0KB 3KB [ 34.636894] debug_objects_cache 558KB 559KB [ 34.642423] trace_event_file 144KB 147KB [ 34.647777] ftrace_event_field 254KB 255KB [ 34.653221] pool_workqueue 43KB 44KB [ 34.658578] page->ptl 3116KB 3119KB [ 34.663946] kmalloc-262144 1032KB 1032KB [ 34.669305] kmalloc-131072 650KB 650KB [ 34.674658] kmalloc-65536 264KB 264KB [ 34.680030] kmalloc-32768 1353KB 1353KB [ 34.685389] kmalloc-16384 313KB 313KB [ 34.690745] kmalloc-8192 800KB 800KB [ 34.696099] kmalloc-4096 9418KB 9456KB [ 34.701454] kmalloc-2048 4594KB 4596KB [ 34.706810] kmalloc-1024 4095KB 4095KB [ 34.712164] kmalloc-512 3326KB 3326KB [ 34.717539] kmalloc-256 2467KB 2520KB [ 34.723063] kmalloc-128 529KB 531KB [ 34.728457] kmalloc-96 2084KB 2084KB [ 34.733830] kmalloc-64 2552KB 2552KB [ 34.739186] kmalloc-32 2492KB 2492KB [ 34.744949] kmalloc-192 1024KB 1024KB [ 34.750316] kmem_cache 105KB 108KB [ 34.755681] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 34.764271] [ 1818] 0 1818 5385 186 94208 0 -1000 udevd [ 34.772407] [ 3350] 0 3350 2493 573 53248 0 0 dhclient [ 34.780801] [ 3499] 0 3499 14298 190 122880 0 0 rsyslogd [ 34.789194] [ 3549] 0 3549 4725 50 81920 0 0 cron [ 34.797240] [ 3572] 0 3572 3735 44 65536 0 0 mcstransd [ 34.805726] [ 3600] 0 3600 12490 152 143360 0 -1000 sshd [ 34.813775] [ 3624] 0 3624 3694 40 73728 0 0 getty [ 34.821907] [ 3625] 0 3625 3694 42 73728 0 0 getty [ 34.830048] [ 3626] 0 3626 3694 40 77824 0 0 getty [ 34.838188] [ 3627] 0 3627 3694 41 73728 0 0 getty [ 34.846323] [ 3628] 0 3628 3694 39 73728 0 0 getty [ 34.854461] [ 3629] 0 3629 3694 41 73728 0 0 getty [ 34.862595] [ 3630] 0 3630 3649 39 77824 0 0 getty [ 34.870731] [ 3634] 0 3634 5681 454 90112 0 -1000 udevd [ 34.878876] [ 3635] 0 3635 5681 454 90112 0 -1000 udevd [ 34.887048] [ 3652] 0 3652 17821 198 184320 0 0 sshd [ 34.895098] [ 3654] 0 3654 285 1 32768 0 0 syzkaller172790 [ 34.904097] [ 3655] 0 3655 285 11 32768 0 0 syzkaller172790 [ 34.913096] [ 3656] 0 3656 285 11 32768 0 0 syzkaller172790 [ 34.922095] [ 3657] 0 3657 285 11 32768 0 0 syzkaller172790 [ 34.931112] [ 3658] 0 3658 285 11 32768 0 0 syzkaller172790 [ 34.940119] [ 3659] 0 3659 285 11 32768 0 0 syzkaller172790 [ 34.949124] [ 3660] 0 3660 285 11 32768 0 0 syzkaller172790 [ 34.958129] [ 3661] 0 3661 285 11 32768 0 0 syzkaller172790 [ 34.967131] [ 3662] 0 3662 285 11 32768 0 0 syzkaller172790 [ 34.976130] [ 3663] 0 3663 4048 523 36864 0 0 syzkaller172790 [ 34.985134] [ 3664] 0 3664 4048 523 36864 0 0 syzkaller172790 [ 34.994133] [ 3665] 0 3665 4048 523 36864 0 0 syzkaller172790 [ 35.003132] [ 3666] 0 3666 4048 523 36864 0 0 syzkaller172790 [ 35.012133] [ 3667] 0 3667 4048 523 36864 0 0 syzkaller172790 [ 35.021131] [ 3668] 0 3668 4048 523 36864 0 0 syzkaller172790 [ 35.030133] [ 3669] 0 3669 4048 523 36864 0 0 syzkaller172790 [ 35.039132] [ 3670] 0 3670 4048 523 36864 0 0 syzkaller172790 [ 35.048129] Out of memory: Kill process 3350 (dhclient) score 0 or sacrifice child [ 35.055885] Killed process 3350 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 35.168185] rsyslogd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 35.180056] rsyslogd cpuset=/ mems_allowed=0 [ 35.184643] CPU: 0 PID: 3502 Comm: rsyslogd Not tainted 4.15.0-rc8+ #269 [ 35.191462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.200787] Call Trace: [ 35.203350] dump_stack+0x194/0x257 [ 35.206953] ? arch_local_irq_restore+0x53/0x53 [ 35.211598] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.216769] dump_header+0x28c/0xe1e [ 35.220465] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.225637] ? pagefault_out_of_memory+0x152/0x152 [ 35.230539] ? check_noncircular+0x20/0x20 [ 35.234748] ? print_irqtrace_events+0x270/0x270 [ 35.239480] ? __lock_acquire+0x664/0x3e00 [ 35.243691] ? check_noncircular+0x20/0x20 [ 35.247906] ? find_held_lock+0x35/0x1d0 [ 35.251947] ? check_noncircular+0x20/0x20 [ 35.256161] ? task_will_free_mem+0x252/0xaa0 [ 35.260638] ? print_irqtrace_events+0x270/0x270 [ 35.265375] ? ___ratelimit+0x30d/0x630 [ 35.269327] ? lock_downgrade+0x980/0x980 [ 35.273455] ? lock_release+0xa40/0xa40 [ 35.277412] ? mark_held_locks+0xaf/0x100 [ 35.281534] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 35.286612] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.291601] ? trace_hardirqs_on+0xd/0x10 [ 35.295723] ? ___ratelimit+0x95/0x630 [ 35.299586] ? idr_get_free_cmn+0xfd0/0xfd0 [ 35.303878] ? check_noncircular+0x20/0x20 [ 35.308085] ? find_held_lock+0x138/0x1d0 [ 35.312215] oom_kill_process+0x8b5/0x14a0 [ 35.316428] ? has_ns_capability_noaudit+0x163/0x2a0 [ 35.321504] ? lock_downgrade+0x980/0x980 [ 35.325631] ? oom_evaluate_task+0x480/0x480 [ 35.330035] ? security_capable_noaudit+0x8b/0xc0 [ 35.334857] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 35.339940] ? has_capability+0x30/0x30 [ 35.343889] ? do_raw_spin_trylock+0x190/0x190 [ 35.348450] ? check_noncircular+0x20/0x20 [ 35.352676] ? has_capability_noaudit+0x24/0x30 [ 35.357322] ? oom_badness+0xd1/0x980 [ 35.361094] ? lock_release+0xa40/0xa40 [ 35.365040] ? do_try_to_free_pages+0xc53/0x1020 [ 35.369771] ? find_lock_task_mm+0x460/0x460 [ 35.374158] ? find_held_lock+0x35/0x1d0 [ 35.378199] ? out_of_memory+0xb3a/0x1220 [ 35.382322] ? lock_downgrade+0x980/0x980 [ 35.386449] ? lock_release+0xa40/0xa40 [ 35.390394] ? lock_acquire+0x1d5/0x580 [ 35.394347] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 35.399258] ? oom_evaluate_task+0x284/0x480 [ 35.403648] out_of_memory+0x86d/0x1220 [ 35.407606] ? oom_killer_disable+0x310/0x310 [ 35.412072] ? mutex_trylock+0x23a/0x2d0 [ 35.416106] ? __lock_is_held+0xb6/0x140 [ 35.420141] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 35.425574] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 35.430423] ? warn_alloc+0x2b0/0x2b0 [ 35.434202] ? warn_alloc+0x2b0/0x2b0 [ 35.438012] ? print_irqtrace_events+0x270/0x270 [ 35.442745] ? warn_alloc+0x2b0/0x2b0 [ 35.446518] ? print_irqtrace_events+0x270/0x270 [ 35.451254] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.456429] ? __lock_acquire+0x664/0x3e00 [ 35.460645] ? should_fail+0x23b/0xa40 [ 35.464509] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 35.469598] ? __lock_is_held+0xb6/0x140 [ 35.473650] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 35.479517] ? __might_sleep+0x95/0x190 [ 35.483478] __alloc_pages_nodemask+0x9fb/0xd80 [ 35.488128] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 35.493114] ? __alloc_pages_nodemask+0xadb/0xd80 [ 35.497929] ? print_irqtrace_events+0x270/0x270 [ 35.502661] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 35.507674] ? cache_grow_begin+0x307/0x3f0 [ 35.511974] cache_grow_begin+0x72/0x3f0 [ 35.516020] fallback_alloc+0x13b/0x2a0 [ 35.519977] ____cache_alloc_node+0x1cc/0x1e0 [ 35.524451] kmem_cache_alloc_trace+0x27d/0x750 [ 35.529113] do_syslog+0x5d7/0xb80 [ 35.532632] ? log_buf_vmcoreinfo_setup+0x120/0x120 [ 35.537622] ? iterate_fd+0x3f0/0x3f0 [ 35.541404] ? __lock_is_held+0xb6/0x140 [ 35.545444] kmsg_read+0x74/0xa0 [ 35.548782] ? kmsg_poll+0xa0/0xa0 [ 35.552297] proc_reg_read+0xef/0x170 [ 35.556076] ? proc_reg_write+0x170/0x170 [ 35.560197] __vfs_read+0xef/0xa00 [ 35.563710] ? fsnotify+0x7b3/0x1140 [ 35.567404] ? vfs_copy_file_range+0x940/0x940 [ 35.571964] ? fsnotify_first_mark+0x2b0/0x2b0 [ 35.576522] ? avc_policy_seqno+0x9/0x20 [ 35.580558] ? selinux_file_permission+0x82/0x460 [ 35.585380] ? security_file_permission+0x89/0x1e0 [ 35.590289] ? rw_verify_area+0xe5/0x2b0 [ 35.594323] ? __fdget_raw+0x20/0x20 [ 35.598020] vfs_read+0x11e/0x350 [ 35.601456] SyS_read+0xef/0x220 [ 35.604798] ? kernel_write+0x120/0x120 [ 35.608744] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.613733] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.618473] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 35.623200] RIP: 0033:0x7fc37814e1fd [ 35.626893] RSP: 002b:00007fc3756ede30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 35.634575] RAX: ffffffffffffffda RBX: 0000000000ce6120 RCX: 00007fc37814e1fd [ 35.641816] RDX: 0000000000000fff RSI: 00007fc376f225a0 RDI: 0000000000000004 [ 35.649055] RBP: 0000000000000001 R08: 0000000000ce6260 R09: 0000000000000000 [ 35.656297] R10: 6320303937323731 R11: 0000000000000293 R12: 000000000065e200 [ 35.663540] R13: 0000000000000000 R14: 0000000000000001 R15: 00007fc376f22668 [ 35.670914] Mem-Info: [ 35.674251] active_anon:6144 inactive_anon:63 isolated_anon:0 [ 35.674251] active_file:38 inactive_file:38 isolated_file:0 [ 35.674251] unevictable:0 dirty:0 writeback:0 unstable:0 [ 35.674251] slab_reclaimable:7399 slab_unreclaimable:85577 [ 35.674251] mapped:2 shmem:70 pagetables:346 bounce:0 [ 35.674251] free:24230 free_pcp:36 free_cma:0 [ 35.709614] Node 0 active_anon:24576kB inactive_anon:252kB active_file:100kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 35.736558] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.762763] lowmem_reserve[]: 0 2870 6381 6381 [ 35.767386] Node 0 DMA32 free:43540kB min:30332kB low:37912kB high:45492kB active_anon:12316kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.795996] lowmem_reserve[]: 0 0 3510 3510 [ 35.801204] Node 0 Normal free:36628kB min:37084kB low:46352kB high:55620kB active_anon:12260kB inactive_anon:248kB active_file:24kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3360kB pagetables:1360kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.830736] lowmem_reserve[]: 0 0 0 0 [ 35.834725] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 35.848404] Node 0 DMA32: 7*4kB (UME) 5*8kB (UME) 9*16kB (UME) 4*32kB (UME) 5*64kB (UME) 5*128kB (ME) 5*256kB (UM) 4*512kB (ME) 4*1024kB (UME) 1*2048kB (E) 8*4096kB (M) = 43540kB [ 35.864581] Node 0 Normal: 477*4kB (UME) 375*8kB (M) 271*16kB (UMEH) 189*32kB (UME) 97*64kB (UME) 39*128kB (UM) 26*256kB (M) 7*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36732kB [ 35.881772] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 35.890514] 95 total pagecache pages [ 35.894276] 0 pages in swap cache [ 35.897742] Swap cache stats: add 0, delete 0, find 0/0 [ 35.903100] Free swap = 0kB [ 35.906123] Total swap = 0kB [ 35.909152] 1965979 pages RAM [ 35.912267] 0 pages HighMem/MovableOnly [ 35.916252] 327760 pages reserved [ 35.919752] Unreclaimable slab info: [ 35.923568] Name Used Total [ 35.929147] pid_2 1KB 4KB [ 35.934521] hashtab_node 118KB 119KB [ 35.939888] ebitmap_node 382KB 385KB [ 35.945250] avtab_node 1012KB 1013KB [ 35.950617] TIPC 18KB 21KB [ 35.955983] SCTPv6 20KB 20KB [ 35.961391] DCCPv6 21KB 21KB [ 35.966751] DCCP 20KB 20KB [ 35.972118] fib6_nodes 0KB 4KB [ 35.977472] ip6_dst_cache 6KB 7KB [ 35.982827] RAWv6 91KB 91KB [ 35.988184] UDPv6 12KB 14KB [ 35.993540] TCPv6 2KB 5KB [ 35.998905] sd_ext_cdb 0KB 3KB [ 36.004259] scsi_sense_cache 89KB 120KB [ 36.009630] virtio_scsi_cmd 16KB 16KB [ 36.015036] sgpool-128 8KB 8KB [ 36.020398] sgpool-64 4KB 6KB [ 36.025790] sgpool-32 196KB 196KB [ 36.031170] sgpool-16 63KB 63KB [ 36.036532] sgpool-8 198KB 198KB [ 36.041901] cfq_io_cq 17KB 19KB [ 36.047281] cfq_queue 27KB 27KB [ 36.052647] mqueue_inode_cache 12KB 14KB [ 36.058108] nfs_commit_data 3KB 7KB [ 36.063488] nfs_write_data 34KB 37KB [ 36.068862] jbd2_inode 1KB 3KB [ 36.074224] ext4_system_zone 0KB 3KB [ 36.079601] bio-1 1KB 3KB [ 36.084978] pid_namespace 2KB 3KB [ 36.090395] rpc_buffers 17KB 19KB [ 36.095775] rpc_tasks 2KB 3KB [ 36.101157] UNIX 780KB 784KB [ 36.106544] tcp_bind_bucket 2KB 4KB [ 36.111932] ip_fib_trie 0KB 3KB [ 36.117318] ip_fib_alias 0KB 3KB [ 36.122703] ip_dst_cache 4KB 7KB [ 36.128086] RAW 57KB 57KB [ 36.133464] UDP 46KB 46KB [ 36.138845] TCP 31KB 31KB [ 36.144224] hugetlbfs_inode_cache 1KB 7KB [ 36.149948] eventpoll_pwq 10KB 15KB [ 36.155356] eventpoll_epi 18KB 27KB [ 36.160862] inotify_inode_mark 3KB 7KB [ 36.166308] request_queue 53KB 135KB [ 36.171658] blkdev_ioc 23KB 23KB [ 36.177023] bio-0 363KB 363KB [ 36.182376] biovec-(1<<(21-12)) 462KB 462KB [ 36.187901] biovec-64 102KB 102KB [ 36.193258] biovec-16 41KB 41KB [ 36.198607] bio_integrity_payload 0KB 4KB [ 36.204301] khugepaged_mm_slot 1KB 3KB [ 36.209736] uid_cache 1KB 3KB [ 36.215081] dmaengine-unmap-2 0KB 3KB [ 36.220435] audit_buffer 0KB 3KB [ 36.225787] skbuff_fclone_cache 141KB 142KB [ 36.231318] skbuff_head_cache 2355KB 2355KB [ 36.236669] configfs_dir_cache 0KB 4KB [ 36.242101] file_lock_cache 161KB 162KB [ 36.247447] file_lock_ctx 1KB 3KB [ 36.252793] fsnotify_mark_connector 2KB 3KB [ 36.258661] net_namespace 59KB 59KB [ 36.264040] shmem_inode_cache 1054KB 1054KB [ 36.269403] task_delay_info 324KB 336KB [ 36.274761] sigqueue 368KB 370KB [ 36.280110] kernfs_node_cache 3640KB 3642KB [ 36.285458] mnt_cache 67KB 68KB [ 36.290806] filp 8283KB 8737KB [ 36.296155] names_cache 109548KB 109586KB [ 36.301506] avc_node 38KB 43KB [ 36.306851] selinux_file_security 424KB 496KB [ 36.312544] selinux_inode_security 1978KB 1980KB [ 36.318323] key_jar 3KB 7KB [ 36.323675] nsproxy 4KB 7KB [ 36.329023] vm_area_struct 18675KB 18678KB [ 36.334378] mm_struct 4529KB 4531KB [ 36.339725] fs_cache 430KB 432KB [ 36.345071] files_cache 1600KB 1601KB [ 36.350425] signal_cache 2551KB 2558KB [ 36.355770] sighand_cache 242KB 339KB [ 36.361118] task_struct 10890KB 10896KB [ 36.366464] cred_jar 2355KB 2356KB [ 36.371819] anon_vma_chain 7837KB 7839KB [ 36.377166] anon_vma 168KB 315KB [ 36.382514] pid 224KB 240KB [ 36.387865] Acpi-Operand 106KB 170KB [ 36.393219] Acpi-Parse 0KB 7KB [ 36.398568] Acpi-State 0KB 11KB [ 36.403924] Acpi-Namespace 19KB 23KB [ 36.409271] numa_policy 0KB 3KB [ 36.414621] debug_objects_cache 558KB 559KB [ 36.420145] trace_event_file 144KB 147KB [ 36.425510] ftrace_event_field 254KB 255KB [ 36.430961] pool_workqueue 43KB 44KB [ 36.436341] page->ptl 3116KB 3119KB [ 36.441719] kmalloc-262144 1032KB 1032KB [ 36.447076] kmalloc-131072 650KB 650KB [ 36.452432] kmalloc-65536 264KB 264KB [ 36.457783] kmalloc-32768 1353KB 1353KB [ 36.463133] kmalloc-16384 313KB 313KB [ 36.468484] kmalloc-8192 800KB 800KB [ 36.473838] kmalloc-4096 9418KB 9456KB [ 36.479190] kmalloc-2048 4594KB 4596KB [ 36.484536] kmalloc-1024 4095KB 4095KB [ 36.489882] kmalloc-512 3326KB 3326KB [ 36.495235] kmalloc-256 2467KB 2520KB [ 36.500581] kmalloc-128 529KB 531KB [ 36.505926] kmalloc-96 2084KB 2084KB [ 36.511274] kmalloc-64 2556KB 2556KB [ 36.516621] kmalloc-32 2492KB 2492KB [ 36.522311] kmalloc-192 1024KB 1024KB [ 36.527662] kmem_cache 105KB 108KB [ 36.533023] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 36.541643] [ 1818] 0 1818 5385 186 94208 0 -1000 udevd [ 36.549824] [ 3499] 0 3499 14298 190 122880 0 0 rsyslogd [ 36.558213] [ 3549] 0 3549 4725 50 81920 0 0 cron [ 36.566256] [ 3572] 0 3572 3735 44 65536 0 0 mcstransd [ 36.574734] [ 3600] 0 3600 12490 152 143360 0 -1000 sshd [ 36.582783] [ 3624] 0 3624 3694 40 73728 0 0 getty [ 36.590913] [ 3625] 0 3625 3694 42 73728 0 0 getty [ 36.599042] [ 3626] 0 3626 3694 40 77824 0 0 getty [ 36.607175] [ 3627] 0 3627 3694 41 73728 0 0 getty [ 36.615306] [ 3628] 0 3628 3694 39 73728 0 0 getty [ 36.623438] [ 3629] 0 3629 3694 41 73728 0 0 getty [ 36.631566] [ 3630] 0 3630 3649 39 77824 0 0 getty [ 36.639695] [ 3634] 0 3634 5681 454 90112 0 -1000 udevd [ 36.647825] [ 3635] 0 3635 5681 454 90112 0 -1000 udevd [ 36.655955] [ 3652] 0 3652 17821 198 184320 0 0 sshd [ 36.663996] [ 3654] 0 3654 285 1 32768 0 0 syzkaller172790 [ 36.672999] [ 3655] 0 3655 285 11 32768 0 0 syzkaller172790 [ 36.682022] [ 3656] 0 3656 285 11 32768 0 0 syzkaller172790 [ 36.691030] [ 3657] 0 3657 285 11 32768 0 0 syzkaller172790 [ 36.700037] [ 3658] 0 3658 285 11 32768 0 0 syzkaller172790 [ 36.709063] [ 3659] 0 3659 285 11 32768 0 0 syzkaller172790 [ 36.718073] [ 3660] 0 3660 285 11 32768 0 0 syzkaller172790 [ 36.727087] [ 3661] 0 3661 285 11 32768 0 0 syzkaller172790 [ 36.736103] [ 3662] 0 3662 285 11 32768 0 0 syzkaller172790 [ 36.745115] [ 3663] 0 3663 4048 523 36864 0 0 syzkaller172790 [ 36.754126] [ 3664] 0 3664 4048 523 36864 0 0 syzkaller172790 [ 36.763135] [ 3665] 0 3665 4048 523 36864 0 0 syzkaller172790 [ 36.772184] [ 3666] 0 3666 4048 523 36864 0 0 syzkaller172790 [ 36.781195] [ 3667] 0 3667 4048 523 36864 0 0 syzkaller172790 [ 36.790212] [ 3668] 0 3668 4048 523 36864 0 0 syzkaller172790 [ 36.799223] [ 3669] 0 3669 4048 523 36864 0 0 syzkaller172790 [ 36.808232] [ 3670] 0 3670 4048 523 36864 0 0 syzkaller172790 [ 36.817236] Out of memory: Kill process 3663 (syzkaller172790) score 0 or sacrifice child [ 36.825793] Killed process 3663 (syzkaller172790) total-vm:16192kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 36.839017] oom_reaper: reaped process 3663 (syzkaller172790), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 36.852263] rsyslogd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 36.863708] rsyslogd cpuset=/ mems_allowed=0 [ 36.868114] CPU: 1 PID: 3502 Comm: rsyslogd Not tainted 4.15.0-rc8+ #269 [ 36.874919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.884238] Call Trace: [ 36.886795] dump_stack+0x194/0x257 [ 36.890400] ? arch_local_irq_restore+0x53/0x53 [ 36.895039] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.900204] dump_header+0x28c/0xe1e [ 36.903893] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.909052] ? pagefault_out_of_memory+0x152/0x152 [ 36.913948] ? check_noncircular+0x20/0x20 [ 36.918153] ? print_irqtrace_events+0x270/0x270 [ 36.922882] ? __lock_acquire+0x664/0x3e00 [ 36.927087] ? check_noncircular+0x20/0x20 [ 36.931296] ? find_held_lock+0x35/0x1d0 [ 36.935329] ? check_noncircular+0x20/0x20 [ 36.939532] ? task_will_free_mem+0x252/0xaa0 [ 36.944001] ? print_irqtrace_events+0x270/0x270 [ 36.948730] ? ___ratelimit+0x30d/0x630 [ 36.952674] ? lock_downgrade+0x980/0x980 [ 36.956796] ? lock_release+0xa40/0xa40 [ 36.960744] ? mark_held_locks+0xaf/0x100 [ 36.964864] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 36.969935] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.974919] ? trace_hardirqs_on+0xd/0x10 [ 36.979038] ? ___ratelimit+0x95/0x630 [ 36.982894] ? idr_get_free_cmn+0xfd0/0xfd0 [ 36.987182] ? check_noncircular+0x20/0x20 [ 36.991385] ? find_held_lock+0x138/0x1d0 [ 36.995509] oom_kill_process+0x8b5/0x14a0 [ 36.999716] ? has_ns_capability_noaudit+0x163/0x2a0 [ 37.004787] ? lock_downgrade+0x980/0x980 [ 37.008911] ? oom_evaluate_task+0x480/0x480 [ 37.013299] ? security_capable_noaudit+0x8b/0xc0 [ 37.018115] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 37.023192] ? has_capability+0x30/0x30 [ 37.027136] ? do_raw_spin_trylock+0x190/0x190 [ 37.031688] ? check_noncircular+0x20/0x20 [ 37.035895] ? has_capability_noaudit+0x24/0x30 [ 37.040532] ? oom_badness+0xd1/0x980 [ 37.044301] ? lock_release+0xa40/0xa40 [ 37.048243] ? do_try_to_free_pages+0xc53/0x1020 [ 37.052967] ? find_lock_task_mm+0x460/0x460 [ 37.057349] ? find_held_lock+0x35/0x1d0 [ 37.061386] ? out_of_memory+0xb3a/0x1220 [ 37.065504] ? lock_downgrade+0x980/0x980 [ 37.069622] ? lock_release+0xa40/0xa40 [ 37.073564] ? lock_acquire+0x1d5/0x580 [ 37.077508] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 37.082413] ? oom_evaluate_task+0x284/0x480 [ 37.086795] out_of_memory+0x86d/0x1220 [ 37.090747] ? oom_killer_disable+0x310/0x310 [ 37.095211] ? mutex_trylock+0x23a/0x2d0 [ 37.099244] ? __lock_is_held+0xb6/0x140 [ 37.103276] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 37.108706] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 37.113543] ? warn_alloc+0x2b0/0x2b0 [ 37.117318] ? warn_alloc+0x2b0/0x2b0 [ 37.121089] ? print_irqtrace_events+0x270/0x270 [ 37.125817] ? warn_alloc+0x2b0/0x2b0 [ 37.129585] ? print_irqtrace_events+0x270/0x270 [ 37.134316] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 37.139490] ? __lock_acquire+0x664/0x3e00 [ 37.143701] ? should_fail+0x23b/0xa40 [ 37.147561] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 37.152644] ? __lock_is_held+0xb6/0x140 [ 37.156688] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 37.162550] ? __might_sleep+0x95/0x190 [ 37.166501] __alloc_pages_nodemask+0x9fb/0xd80 [ 37.171145] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 37.176128] ? __alloc_pages_nodemask+0xadb/0xd80 [ 37.180939] ? print_irqtrace_events+0x270/0x270 [ 37.185668] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 37.190675] ? cache_grow_begin+0x307/0x3f0 [ 37.194970] cache_grow_begin+0x72/0x3f0 [ 37.199006] fallback_alloc+0x13b/0x2a0 [ 37.202960] ____cache_alloc_node+0x1cc/0x1e0 [ 37.207430] kmem_cache_alloc_trace+0x27d/0x750 [ 37.212080] do_syslog+0x5d7/0xb80 [ 37.215594] ? log_buf_vmcoreinfo_setup+0x120/0x120 [ 37.220582] ? iterate_fd+0x3f0/0x3f0 [ 37.224358] ? __lock_is_held+0xb6/0x140 [ 37.228392] kmsg_read+0x74/0xa0 [ 37.231731] ? kmsg_poll+0xa0/0xa0 [ 37.235242] proc_reg_read+0xef/0x170 [ 37.239025] ? proc_reg_write+0x170/0x170 [ 37.243146] __vfs_read+0xef/0xa00 [ 37.246654] ? fsnotify+0x7b3/0x1140 [ 37.250340] ? vfs_copy_file_range+0x940/0x940 [ 37.254895] ? fsnotify_first_mark+0x2b0/0x2b0 [ 37.259449] ? avc_policy_seqno+0x9/0x20 [ 37.263481] ? selinux_file_permission+0x82/0x460 [ 37.268300] ? security_file_permission+0x89/0x1e0 [ 37.273202] ? rw_verify_area+0xe5/0x2b0 [ 37.277232] ? __fdget_raw+0x20/0x20 [ 37.280917] vfs_read+0x11e/0x350 [ 37.284346] SyS_read+0xef/0x220 [ 37.287689] ? kernel_write+0x120/0x120 [ 37.291630] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.296626] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.301357] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 37.306081] RIP: 0033:0x7fc37814e1fd [ 37.309761] RSP: 002b:00007fc3756ede30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 37.317440] RAX: ffffffffffffffda RBX: 0000000000ce6120 RCX: 00007fc37814e1fd [ 37.324678] RDX: 0000000000000fff RSI: 00007fc376f225a0 RDI: 0000000000000004 [ 37.331918] RBP: 0000000000000001 R08: 0000000000ce6260 R09: 0000000000000000 [ 37.339157] R10: 6320303937323731 R11: 0000000000000293 R12: 000000000065e200 [ 37.346395] R13: 0000000000000000 R14: 0000000000000001 R15: 00007fc376f22668 [ 37.354233] Mem-Info: [ 37.357386] active_anon:5627 inactive_anon:63 isolated_anon:0 [ 37.357386] active_file:13 inactive_file:13 isolated_file:0 [ 37.357386] unevictable:0 dirty:0 writeback:0 unstable:0 [ 37.357386] slab_reclaimable:7401 slab_unreclaimable:85551 [ 37.357386] mapped:2 shmem:70 pagetables:345 bounce:0 [ 37.357386] free:24111 free_pcp:90 free_cma:0 [ 37.389429] Node 0 active_anon:22508kB inactive_anon:252kB active_file:28kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 37.416247] 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 [ 37.442480] lowmem_reserve[]: 0 2870 6381 6381 [ 37.447099] Node 0 DMA32 free:43540kB min:30332kB low:37912kB high:45492kB active_anon:12316kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 37.474702] lowmem_reserve[]: 0 0 3510 3510 [ 37.479037] Node 0 Normal free:36996kB min:37084kB low:46352kB high:55620kB active_anon:10192kB inactive_anon:248kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3360kB pagetables:1356kB bounce:0kB free_pcp:360kB local_pcp:0kB free_cma:0kB [ 37.509565] lowmem_reserve[]: 0 0 0 0 [ 37.514367] 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 [ 37.528040] Node 0 DMA32: 7*4kB (UME) 5*8kB (UME) 9*16kB (UME) 4*32kB (UME) 5*64kB (UME) 5*128kB (ME) 5*256kB (UM) 4*512kB (ME) 4*1024kB (UME) 1*2048kB (E) 8*4096kB (M) = 43540kB [ 37.544223] Node 0 Normal: 459*4kB (M) 375*8kB (M) 268*16kB (MH) 187*32kB (UM) 94*64kB (UM) 38*128kB (M) 27*256kB (UM) 6*512kB (UM) 1*1024kB (U) 0*2048kB 0*4096kB = 36996kB [ 37.559868] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 37.568452] 96 total pagecache pages [ 37.572205] 0 pages in swap cache [ 37.575670] Swap cache stats: add 0, delete 0, find 0/0 [ 37.581038] Free swap = 0kB [ 37.584062] Total swap = 0kB [ 37.587093] 1965979 pages RAM [ 37.590191] 0 pages HighMem/MovableOnly [ 37.594169] 327760 pages reserved [ 37.597696] Unreclaimable slab info: [ 37.601465] Name Used Total [ 37.607044] pid_2 1KB 4KB [ 37.612417] hashtab_node 118KB 119KB [ 37.617794] ebitmap_node 382KB 385KB [ 37.623166] avtab_node 1012KB 1013KB [ 37.628543] TIPC 15KB 21KB [ 37.633920] SCTPv6 18KB 20KB [ 37.640702] DCCPv6 21KB 21KB [ 37.646087] DCCP 20KB 20KB [ 37.651515] fib6_nodes 0KB 4KB [ 37.656890] ip6_dst_cache 6KB 7KB [ 37.662264] RAWv6 89KB 91KB [ 37.667635] UDPv6 12KB 14KB [ 37.673031] TCPv6 2KB 5KB [ 37.678404] sd_ext_cdb 0KB 3KB [ 37.683758] scsi_sense_cache 89KB 120KB [ 37.689113] virtio_scsi_cmd 16KB 16KB [ 37.694469] sgpool-128 8KB 8KB [ 37.699823] sgpool-64 4KB 6KB [ 37.705181] sgpool-32 196KB 196KB [ 37.710532] sgpool-16 63KB 63KB [ 37.715883] sgpool-8 198KB 198KB [ 37.721236] cfq_io_cq 17KB 19KB [ 37.726590] cfq_queue 27KB 27KB [ 37.732114] mqueue_inode_cache 12KB 14KB [ 37.737581] nfs_commit_data 3KB 7KB [ 37.742985] nfs_write_data 34KB 37KB [ 37.748392] jbd2_inode 1KB 3KB [ 37.753776] ext4_system_zone 0KB 3KB [ 37.759157] bio-1 1KB 3KB [ 37.764532] pid_namespace 2KB 3KB [ 37.770709] rpc_buffers 17KB 19KB [ 37.776095] rpc_tasks 2KB 3KB [ 37.781470] UNIX 780KB 784KB [ 37.786854] tcp_bind_bucket 1KB 4KB [ 37.792234] ip_fib_trie 0KB 3KB [ 37.797607] ip_fib_alias 0KB 3KB [ 37.802980] ip_dst_cache 4KB 7KB [ 37.808355] RAW 54KB 57KB [ 37.813729] UDP 43KB 46KB [ 37.819111] TCP 28KB 31KB [ 37.824486] hugetlbfs_inode_cache 1KB 7KB [ 37.830207] eventpoll_pwq 10KB 15KB [ 37.835592] eventpoll_epi 18KB 27KB [ 37.840953] inotify_inode_mark 3KB 7KB [ 37.846407] request_queue 42KB 113KB [ 37.851782] blkdev_ioc 23KB 23KB [ 37.857142] bio-0 363KB 363KB [ 37.862508] biovec-(1<<(21-12)) 462KB 462KB [ 37.868058] biovec-64 102KB 102KB [ 37.873435] biovec-16 41KB 41KB [ 37.878814] bio_integrity_payload 0KB 4KB [ 37.884517] khugepaged_mm_slot 0KB 3KB [ 37.889976] uid_cache 0KB 3KB [ 37.895366] dmaengine-unmap-2 0KB 3KB [ 37.900754] audit_buffer 0KB 3KB [ 37.906894] skbuff_fclone_cache 139KB 142KB [ 37.912427] skbuff_head_cache 2353KB 2355KB [ 37.917798] configfs_dir_cache 0KB 4KB [ 37.923264] file_lock_cache 161KB 162KB [ 37.928638] file_lock_ctx 1KB 3KB [ 37.934035] fsnotify_mark_connector 2KB 3KB [ 37.939934] net_namespace 59KB 59KB [ 37.945307] shmem_inode_cache 1054KB 1054KB [ 37.950680] task_delay_info 319KB 336KB [ 37.956055] sigqueue 368KB 370KB [ 37.961433] kernfs_node_cache 3640KB 3642KB [ 37.966810] mnt_cache 67KB 68KB [ 37.972184] filp 8242KB 8718KB [ 37.977557] names_cache 109539KB 109577KB [ 37.982936] avc_node 38KB 43KB [ 37.988314] selinux_file_security 420KB 496KB [ 37.994036] selinux_inode_security 1977KB 1980KB [ 37.999846] key_jar 3KB 7KB [ 38.005219] nsproxy 4KB 7KB [ 38.010593] vm_area_struct 18670KB 18678KB [ 38.015966] mm_struct 4528KB 4531KB [ 38.021339] fs_cache 428KB 432KB [ 38.026711] files_cache 1599KB 1601KB [ 38.032119] signal_cache 2551KB 2558KB [ 38.037969] sighand_cache 238KB 333KB [ 38.045100] task_struct 10890KB 10890KB [ 38.050481] cred_jar 2354KB 2356KB [ 38.055860] anon_vma_chain 7832KB 7839KB [ 38.061219] anon_vma 157KB 315KB [ 38.066585] pid 221KB 240KB [ 38.071944] Acpi-Operand 106KB 170KB [ 38.077316] Acpi-Parse 0KB 3KB [ 38.082692] Acpi-State 0KB 7KB [ 38.088064] Acpi-Namespace 19KB 23KB [ 38.093430] numa_policy 0KB 3KB [ 38.098819] debug_objects_cache 557KB 559KB [ 38.104364] trace_event_file 144KB 147KB [ 38.109741] ftrace_event_field 254KB 255KB [ 38.115188] pool_workqueue 41KB 44KB [ 38.120555] page->ptl 3114KB 3119KB [ 38.125947] kmalloc-262144 1032KB 1032KB [ 38.131322] kmalloc-131072 650KB 650KB [ 38.136699] kmalloc-65536 264KB 264KB [ 38.142076] kmalloc-32768 1353KB 1353KB [ 38.147457] kmalloc-16384 313KB 313KB [ 38.152830] kmalloc-8192 800KB 800KB [ 38.158203] kmalloc-4096 9418KB 9447KB [ 38.163582] kmalloc-2048 4594KB 4596KB [ 38.168956] kmalloc-1024 4095KB 4095KB [ 38.174327] kmalloc-512 3326KB 3326KB [ 38.180489] kmalloc-256 2446KB 2508KB [ 38.185868] kmalloc-128 526KB 531KB [ 38.191241] kmalloc-96 2084KB 2084KB [ 38.196619] kmalloc-64 2556KB 2556KB [ 38.201990] kmalloc-32 2492KB 2492KB [ 38.207366] kmalloc-192 1024KB 1024KB [ 38.212744] kmem_cache 105KB 108KB [ 38.218119] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 38.226735] [ 1818] 0 1818 5385 186 94208 0 -1000 udevd [ 38.234900] [ 3499] 0 3499 14298 190 122880 0 0 rsyslogd [ 38.243331] [ 3549] 0 3549 4725 50 81920 0 0 cron [ 38.251387] [ 3572] 0 3572 3735 44 65536 0 0 mcstransd [ 38.259869] [ 3600] 0 3600 12490 152 143360 0 -1000 sshd [ 38.267918] [ 3624] 0 3624 3694 40 73728 0 0 getty [ 38.276067] [ 3625] 0 3625 3694 42 73728 0 0 getty [ 38.284224] [ 3626] 0 3626 3694 40 77824 0 0 getty [ 38.292392] [ 3627] 0 3627 3694 41 73728 0 0 getty [ 38.300547] [ 3628] 0 3628 3694 39 73728 0 0 getty [ 38.308721] [ 3629] 0 3629 3694 41 73728 0 0 getty [ 38.316897] [ 3630] 0 3630 3649 39 77824 0 0 getty [ 38.325053] [ 3634] 0 3634 5681 454 90112 0 -1000 udevd [ 38.333202] [ 3635] 0 3635 5681 454 90112 0 -1000 udevd [ 38.341350] [ 3652] 0 3652 17821 198 184320 0 0 sshd [ 38.349411] [ 3654] 0 3654 285 1 32768 0 0 syzkaller172790 [ 38.358430] [ 3655] 0 3655 285 11 32768 0 0 syzkaller172790 [ 38.367453] [ 3656] 0 3656 285 11 32768 0 0 syzkaller172790 [ 38.376480] [ 3657] 0 3657 285 11 32768 0 0 syzkaller172790 [ 38.385506] [ 3658] 0 3658 285 11 32768 0 0 syzkaller172790 [ 38.394538] [ 3659] 0 3659 285 11 32768 0 0 syzkaller172790 [ 38.403563] [ 3660] 0 3660 285 11 32768 0 0 syzkaller172790 [ 38.412577] [ 3661] 0 3661 285 11 32768 0 0 syzkaller172790 [ 38.421679] [ 3662] 0 3662 285 11 32768 0 0 syzkaller172790 [ 38.430699] [ 3663] 0 3663 4048 0 32768 0 0 syzkaller172790 [ 38.439744] [ 3664] 0 3664 4048 523 36864 0 0 syzkaller172790 [ 38.448757] [ 3665] 0 3665 4048 523 36864 0 0 syzkaller172790 [ 38.457772] [ 3666] 0 3666 4048 523 36864 0 0 syzkaller172790 [ 38.466787] [ 3667] 0 3667 4048 523 36864 0 0 syzkaller172790 [ 38.475797] [ 3668] 0 3668 4048 523 36864 0 0 syzkaller172790 [ 38.484806] [ 3669] 0 3669 4048 523 36864 0 0 syzkaller172790 [ 38.493814] [ 3670] 0 3670 4048 523 36864 0 0 syzkaller172790 [ 38.502818] Out of memory: Kill process 3664 (syzkaller172790) score 0 or sacrifice child [ 38.511181] Killed process 3664 (syzkaller172790) total-vm:16192kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 38.523640] oom_reaper: reaped process 3664 (syzkaller172790), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 38.967224] syzkaller172790 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 38.979596] syzkaller172790 cpuset=/ mems_allowed=0 [ 38.984661] CPU: 1 PID: 3665 Comm: syzkaller172790 Not tainted 4.15.0-rc8+ #269 [ 38.992086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.001421] Call Trace: [ 39.003996] dump_stack+0x194/0x257 [ 39.007613] ? arch_local_irq_restore+0x53/0x53 [ 39.012274] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 39.017460] dump_header+0x28c/0xe1e [ 39.021171] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 39.026352] ? pagefault_out_of_memory+0x152/0x152 [ 39.031263] ? check_noncircular+0x20/0x20 [ 39.035487] ? print_irqtrace_events+0x270/0x270 [ 39.040238] ? __lock_acquire+0x664/0x3e00 [ 39.044464] ? check_noncircular+0x20/0x20 [ 39.048698] ? find_held_lock+0x35/0x1d0 [ 39.052755] ? check_noncircular+0x20/0x20 [ 39.056978] ? task_will_free_mem+0x252/0xaa0 [ 39.061465] ? print_irqtrace_events+0x270/0x270 [ 39.066220] ? ___ratelimit+0x30d/0x630 [ 39.070184] ? lock_downgrade+0x980/0x980 [ 39.074322] ? lock_release+0xa40/0xa40 [ 39.078289] ? mark_held_locks+0xaf/0x100 [ 39.082423] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 39.087512] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 39.092516] ? trace_hardirqs_on+0xd/0x10 [ 39.096655] ? ___ratelimit+0x95/0x630 [ 39.100534] ? idr_get_free_cmn+0xfd0/0xfd0 [ 39.104841] ? check_noncircular+0x20/0x20 [ 39.109055] ? find_held_lock+0x138/0x1d0 [ 39.113205] oom_kill_process+0x8b5/0x14a0 [ 39.117432] ? has_ns_capability_noaudit+0x163/0x2a0 [ 39.122522] ? lock_downgrade+0x980/0x980 [ 39.126664] ? oom_evaluate_task+0x480/0x480 [ 39.131079] ? security_capable_noaudit+0x8b/0xc0 [ 39.135915] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 39.141002] ? has_capability+0x30/0x30 [ 39.144959] ? do_raw_spin_trylock+0x190/0x190 [ 39.149526] ? check_noncircular+0x20/0x20 [ 39.153757] ? has_capability_noaudit+0x24/0x30 [ 39.158411] ? oom_badness+0xd1/0x980 [ 39.162191] ? lock_release+0xa40/0xa40 [ 39.166151] ? do_try_to_free_pages+0xc53/0x1020 [ 39.170894] ? find_lock_task_mm+0x460/0x460 [ 39.175295] ? find_held_lock+0x35/0x1d0 [ 39.179358] ? out_of_memory+0xb3a/0x1220 [ 39.183492] ? lock_downgrade+0x980/0x980 [ 39.187632] ? lock_release+0xa40/0xa40 [ 39.191590] ? lock_acquire+0x1d5/0x580 [ 39.195549] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 39.200474] ? oom_evaluate_task+0x284/0x480 [ 39.204874] out_of_memory+0x86d/0x1220 [ 39.208833] ? trace_hardirqs_on+0xd/0x10 [ 39.212978] ? oom_killer_disable+0x310/0x310 [ 39.217454] ? mutex_trylock+0x23a/0x2d0 [ 39.221505] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 39.226939] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 39.232829] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 39.237705] ? warn_alloc+0x2b0/0x2b0 [ 39.241492] ? lock_release+0xa40/0xa40 [ 39.245458] ? print_irqtrace_events+0x270/0x270 [ 39.250218] ? mutex_spin_on_owner+0x446/0xb50 [ 39.254801] ? __lock_acquire+0x664/0x3e00 [ 39.259027] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 39.264894] ? lock_release+0xa40/0xa40 [ 39.268914] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 39.274782] ? find_held_lock+0x35/0x1d0 [ 39.278840] ? __might_sleep+0x95/0x190 [ 39.282806] __alloc_pages_nodemask+0x9fb/0xd80 [ 39.287473] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 39.292484] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 39.297405] ? print_irqtrace_events+0x270/0x270 [ 39.302160] ? __lock_is_held+0xb6/0x140 [ 39.306219] ? find_next_bit+0x27/0x30 [ 39.310099] pcpu_populate_chunk+0x1b3/0x880 [ 39.314512] pcpu_alloc+0x978/0x10e0 [ 39.318233] ? pcpu_free_area+0xa00/0xa00 [ 39.322377] ? vmap_page_range_noflush+0x523/0x720 [ 39.327324] ? map_vm_area+0x9e/0xd0 [ 39.331031] ? __vmalloc_node_range+0x37a/0x650 [ 39.335701] ? array_map_alloc+0x354/0x990 [ 39.339921] ? __vmalloc_node_flags_caller+0x50/0x60 [ 39.345020] __alloc_percpu_gfp+0x27/0x30 [ 39.349155] array_map_alloc+0x794/0x990 [ 39.353689] SyS_bpf+0x7f8/0x4400 [ 39.357125] ? check_noncircular+0x20/0x20 [ 39.361352] ? bpf_prog_get+0x20/0x20 [ 39.365147] ? perf_event_fork+0x30/0x30 [ 39.369205] ? __lock_is_held+0xb6/0x140 [ 39.373253] ? check_noncircular+0x20/0x20 [ 39.377483] ? __handle_mm_fault+0x80e/0x3ce0 [ 39.381976] ? check_noncircular+0x20/0x20 [ 39.386199] ? __pmd_alloc+0x4e0/0x4e0 [ 39.390070] ? vma_link+0xe9/0x170 [ 39.393602] ? find_held_lock+0x35/0x1d0 [ 39.397665] ? handle_mm_fault+0x248/0x8d0 [ 39.401889] ? find_held_lock+0x35/0x1d0 [ 39.405952] ? __do_page_fault+0x5f7/0xc90 [ 39.410172] ? lock_downgrade+0x980/0x980 [ 39.414319] ? handle_mm_fault+0x410/0x8d0 [ 39.418537] ? down_read_trylock+0xdb/0x170 [ 39.422845] ? __do_page_fault+0x32d/0xc90 [ 39.427070] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 39.431639] ? vmacache_find+0x5f/0x280 [ 39.435600] ? vmacache_update+0xfe/0x130 [ 39.439747] ? up_read+0x1a/0x40 [ 39.443106] ? __do_page_fault+0x3d6/0xc90 [ 39.447343] ? mm_fault_error+0x2c0/0x2c0 [ 39.451494] ? do_page_fault+0xee/0x720 [ 39.455453] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 39.460975] ? __do_page_fault+0xc90/0xc90 [ 39.465211] ? SyS_mmap_pgoff+0x243/0x5f0 [ 39.469363] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 39.474115] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 39.478851] RIP: 0033:0x440859 [ 39.482027] RSP: 002b:00007ffe7a1860e8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 39.489718] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440859 [ 39.496973] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 39.504225] RBP: 00000000006cb018 R08: 0000000000000000 R09: 0000000000000000 [ 39.511477] R10: 00000000ffffffff R11: 0000000000000217 R12: 0000000000401c30 [ 39.518727] R13: 0000000000401cc0 R14: 0000000000000000 R15: 0000000000000000 [ 39.526096] Mem-Info: [ 39.530376] active_anon:5191 inactive_anon:63 isolated_anon:0 [ 39.530376] active_file:13 inactive_file:0 isolated_file:2 [ 39.530376] unevictable:0 dirty:8 writeback:1 unstable:0 [ 39.530376] slab_reclaimable:7408 slab_unreclaimable:85263 [ 39.530376] mapped:26 shmem:70 pagetables:345 bounce:0 [ 39.530376] free:24112 free_pcp:0 free_cma:0 [ 39.562324] Node 0 active_anon:20764kB inactive_anon:252kB active_file:52kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:104kB dirty:32kB writeback:4kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 39.589393] 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 [ 39.615502] lowmem_reserve[]: 0 2870 6381 6381 [ 39.620079] Node 0 DMA32 free:43540kB min:30332kB low:37912kB high:45492kB active_anon:12316kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 39.647681] lowmem_reserve[]: 0 0 3510 3510 [ 39.652026] Node 0 Normal free:37000kB min:37084kB low:46352kB high:55620kB active_anon:8448kB inactive_anon:248kB active_file:180kB inactive_file:0kB unevictable:0kB writepending:36kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3360kB pagetables:1356kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 39.680890] lowmem_reserve[]: 0 0 0 0 [ 39.684690] 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 [ 39.698252] Node 0 DMA32: 7*4kB (UME) 6*8kB (UME) 9*16kB (UME) 4*32kB (UME) 5*64kB (UME) 5*128kB (ME) 5*256kB (UM) 4*512kB (ME) 4*1024kB (UME) 1*2048kB (E) 8*4096kB (M) = 43548kB [ 39.714386] Node 0 Normal: 416*4kB (UM) 368*8kB (ME) 270*16kB (UME) 189*32kB (UME) 95*64kB (ME) 39*128kB (ME) 28*256kB (UME) 6*512kB (ME) 1*1024kB (E) 0*2048kB 0*4096kB = 37312kB [ 39.730478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 39.739034] 107 total pagecache pages [ 39.742818] 0 pages in swap cache [ 39.746269] Swap cache stats: add 0, delete 0, find 0/0 [ 39.751647] Free swap = 0kB [ 39.754667] Total swap = 0kB [ 39.757693] 1965979 pages RAM [ 39.760808] 0 pages HighMem/MovableOnly [ 39.764793] 327760 pages reserved [ 39.768258] Unreclaimable slab info: [ 39.771979] Name Used Total [ 39.777664] pid_2 1KB 4KB [ 39.783050] hashtab_node 118KB 119KB [ 39.788427] ebitmap_node 382KB 385KB [ 39.793806] avtab_node 1012KB 1013KB [ 39.799190] TIPC 14KB 21KB [ 39.804576] SCTPv6 18KB 20KB [ 39.810758] DCCPv6 21KB 21KB [ 39.816137] DCCP 20KB 20KB [ 39.821531] fib6_nodes 0KB 4KB [ 39.826911] ip6_dst_cache 6KB 7KB [ 39.832287] RAWv6 89KB 91KB [ 39.837670] UDPv6 12KB 14KB [ 39.843053] TCPv6 2KB 5KB [ 39.848443] sd_ext_cdb 0KB 3KB [ 39.853818] scsi_sense_cache 104KB 120KB [ 39.859196] virtio_scsi_cmd 16KB 16KB [ 39.864576] sgpool-128 8KB 8KB [ 39.869940] sgpool-64 4KB 6KB [ 39.875315] sgpool-32 267KB 267KB [ 39.880693] sgpool-16 75KB 75KB [ 39.886066] sgpool-8 232KB 232KB [ 39.891440] cfq_io_cq 17KB 19KB [ 39.896800] cfq_queue 27KB 27KB [ 39.902152] mqueue_inode_cache 12KB 14KB [ 39.907603] nfs_commit_data 3KB 7KB [ 39.912961] nfs_write_data 34KB 37KB [ 39.918312] jbd2_inode 1KB 3KB [ 39.923663] ext4_system_zone 0KB 3KB [ 39.929043] bio-1 1KB 3KB [ 39.934399] pid_namespace 2KB 3KB [ 39.939750] rpc_buffers 17KB 19KB [ 39.945508] rpc_tasks 2KB 3KB [ 39.950864] UNIX 780KB 784KB [ 39.956218] tcp_bind_bucket 1KB 4KB [ 39.961567] ip_fib_trie 0KB 3KB [ 39.966921] ip_fib_alias 0KB 3KB [ 39.972271] ip_dst_cache 4KB 7KB [ 39.977622] RAW 54KB 57KB [ 39.982978] UDP 43KB 46KB [ 39.988327] TCP 28KB 31KB [ 39.993677] hugetlbfs_inode_cache 1KB 7KB [ 39.999388] eventpoll_pwq 10KB 15KB [ 40.004752] eventpoll_epi 18KB 27KB [ 40.010125] inotify_inode_mark 3KB 7KB [ 40.015595] request_queue 42KB 113KB [ 40.020971] blkdev_ioc 23KB 23KB [ 40.026349] bio-0 423KB 423KB [ 40.031724] biovec-(1<<(21-12)) 511KB 511KB [ 40.037276] biovec-64 189KB 189KB [ 40.042654] biovec-16 52KB 52KB [ 40.048037] bio_integrity_payload 0KB 4KB [ 40.053762] khugepaged_mm_slot 0KB 3KB [ 40.059230] uid_cache 0KB 3KB [ 40.064595] dmaengine-unmap-2 0KB 3KB [ 40.069967] audit_buffer 0KB 3KB [ 40.076141] skbuff_fclone_cache 139KB 142KB [ 40.081688] skbuff_head_cache 2352KB 2355KB [ 40.087066] configfs_dir_cache 0KB 4KB [ 40.092531] file_lock_cache 161KB 162KB [ 40.097903] file_lock_ctx 1KB 3KB [ 40.103278] fsnotify_mark_connector 2KB 3KB [ 40.109172] net_namespace 59KB 59KB [ 40.114546] shmem_inode_cache 1054KB 1054KB [ 40.119926] task_delay_info 322KB 336KB [ 40.125301] sigqueue 367KB 370KB [ 40.130661] kernfs_node_cache 3639KB 3642KB [ 40.136052] mnt_cache 67KB 68KB [ 40.141430] filp 8235KB 8711KB [ 40.146809] names_cache 108974KB 109012KB [ 40.152185] avc_node 38KB 43KB [ 40.157558] selinux_file_security 419KB 496KB [ 40.163285] selinux_inode_security 1980KB 1980KB [ 40.169094] key_jar 3KB 7KB [ 40.174466] nsproxy 4KB 7KB [ 40.179838] vm_area_struct 18670KB 18678KB [ 40.185211] mm_struct 4531KB 4531KB [ 40.190593] fs_cache 432KB 432KB [ 40.195967] files_cache 1601KB 1601KB [ 40.201343] signal_cache 2558KB 2558KB [ 40.206722] sighand_cache 265KB 333KB [ 40.212859] task_struct 10896KB 10896KB [ 40.218255] cred_jar 2356KB 2356KB [ 40.223633] anon_vma_chain 7830KB 7839KB [ 40.229036] anon_vma 152KB 315KB [ 40.234415] pid 221KB 240KB [ 40.239786] Acpi-Operand 106KB 170KB [ 40.245166] Acpi-Parse 0KB 3KB [ 40.250539] Acpi-State 0KB 7KB [ 40.255917] Acpi-Namespace 19KB 23KB [ 40.261291] numa_policy 0KB 3KB [ 40.266675] debug_objects_cache 556KB 559KB [ 40.272221] trace_event_file 144KB 147KB [ 40.277600] ftrace_event_field 254KB 255KB [ 40.283057] pool_workqueue 41KB 44KB [ 40.288447] page->ptl 3113KB 3119KB [ 40.293840] kmalloc-262144 1032KB 1032KB [ 40.299204] kmalloc-131072 650KB 650KB [ 40.304580] kmalloc-65536 264KB 264KB [ 40.309956] kmalloc-32768 1353KB 1353KB [ 40.315330] kmalloc-16384 313KB 313KB [ 40.320702] kmalloc-8192 800KB 800KB [ 40.326082] kmalloc-4096 9120KB 9158KB [ 40.331456] kmalloc-2048 4594KB 4596KB [ 40.336822] kmalloc-1024 4339KB 4339KB [ 40.342197] kmalloc-512 3325KB 3326KB [ 40.348363] kmalloc-256 2443KB 2508KB [ 40.353754] kmalloc-128 526KB 531KB [ 40.359125] kmalloc-96 2084KB 2084KB [ 40.364503] kmalloc-64 2556KB 2556KB [ 40.369880] kmalloc-32 2492KB 2492KB [ 40.375253] kmalloc-192 1024KB 1024KB [ 40.380625] kmem_cache 105KB 108KB [ 40.385998] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 40.394616] [ 1818] 0 1818 5385 186 94208 0 -1000 udevd [ 40.402781] [ 3499] 0 3499 30682 249 126976 0 0 rsyslogd [ 40.411206] [ 3549] 0 3549 4725 50 81920 0 0 cron [ 40.419276] [ 3572] 0 3572 3735 44 65536 0 0 mcstransd [ 40.427787] [ 3600] 0 3600 12490 152 143360 0 -1000 sshd [ 40.435862] [ 3624] 0 3624 3694 40 73728 0 0 getty [ 40.444008] [ 3625] 0 3625 3694 42 73728 0 0 getty [ 40.452195] [ 3626] 0 3626 3694 40 77824 0 0 getty [ 40.460346] [ 3627] 0 3627 3694 41 73728 0 0 getty [ 40.468497] [ 3628] 0 3628 3694 39 73728 0 0 getty [ 40.476654] [ 3629] 0 3629 3694 41 73728 0 0 getty [ 40.484821] [ 3630] 0 3630 3649 39 77824 0 0 getty [ 40.492978] [ 3634] 0 3634 5681 455 90112 0 -1000 udevd [ 40.501139] [ 3635] 0 3635 5681 454 90112 0 -1000 udevd [ 40.509282] [ 3652] 0 3652 17821 198 184320 0 0 sshd [ 40.517347] [ 3654] 0 3654 285 1 32768 0 0 syzkaller172790 [ 40.526383] [ 3655] 0 3655 285 11 32768 0 0 syzkaller172790 [ 40.535407] [ 3656] 0 3656 285 11 32768 0 0 syzkaller172790 [ 40.544430] [ 3657] 0 3657 285 11 32768 0 0 syzkaller172790 [ 40.553456] [ 3658] 0 3658 285 11 32768 0 0 syzkaller172790 [ 40.562487] [ 3659] 0 3659 285 11 32768 0 0 syzkaller172790 [ 40.571515] [ 3660] 0 3660 285 11 32768 0 0 syzkaller172790 [ 40.580530] [ 3661] 0 3661 285 11 32768 0 0 syzkaller172790 [ 40.589568] [ 3662] 0 3662 285 11 32768 0 0 syzkaller172790 [ 40.598594] [ 3663] 0 3663 4048 0 32768 0 0 syzkaller172790 [ 40.607620] [ 3664] 0 3664 4048 0 32768 0 0 syzkaller172790 [ 40.616631] [ 3665] 0 3665 4048 523 36864 0 0 syzkaller172790 [ 40.625655] [ 3666] 0 3666 4048 523 36864 0 0 syzkaller172790 [ 40.634684] [ 3667] 0 3667 4048 523 36864 0 0 syzkaller172790 [ 40.643696] [ 3668] 0 3668 4048 523 36864 0 0 syzkaller172790 [ 40.652717] [ 3669] 0 3669 4048 523 36864 0 0 syzkaller172790 [ 40.661726] [ 3670] 0 3670 4048 523 36864 0 0 syzkaller172790 [ 40.670745] Out of memory: Kill process 3665 (syzkaller172790) score 0 or sacrifice child [ 40.679111] Killed process 3665 (syzkaller172790) total-vm:16192kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 40.693673] oom_reaper: reaped process 3665 (syzkaller172790), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 40.717309] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 40.728740] rsyslogd cpuset=/ mems_allowed=0 [ 40.733350] CPU: 1 PID: 3502 Comm: rsyslogd Not tainted 4.15.0-rc8+ #269 [ 40.740172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.749505] Call Trace: [ 40.752081] dump_stack+0x194/0x257 [ 40.755701] ? arch_local_irq_restore+0x53/0x53 [ 40.760358] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.765549] dump_header+0x28c/0xe1e [ 40.769259] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.774443] ? pagefault_out_of_memory+0x152/0x152 [ 40.779359] ? check_noncircular+0x20/0x20 [ 40.783582] ? print_irqtrace_events+0x270/0x270 [ 40.788329] ? __lock_acquire+0x664/0x3e00 [ 40.792561] ? check_noncircular+0x20/0x20 [ 40.796792] ? find_held_lock+0x35/0x1d0 [ 40.800853] ? check_noncircular+0x20/0x20 [ 40.805071] ? task_will_free_mem+0x252/0xaa0 [ 40.809562] ? print_irqtrace_events+0x270/0x270 [ 40.814313] ? ___ratelimit+0x30d/0x630 [ 40.818276] ? lock_downgrade+0x980/0x980 [ 40.822414] ? lock_release+0xa40/0xa40 [ 40.826384] ? mark_held_locks+0xaf/0x100 [ 40.830517] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 40.835609] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.840610] ? trace_hardirqs_on+0xd/0x10 [ 40.844749] ? ___ratelimit+0x95/0x630 [ 40.848623] ? idr_get_free_cmn+0xfd0/0xfd0 [ 40.852929] ? check_noncircular+0x20/0x20 [ 40.857147] ? find_held_lock+0x138/0x1d0 [ 40.861292] oom_kill_process+0x8b5/0x14a0 [ 40.865518] ? has_ns_capability_noaudit+0x163/0x2a0 [ 40.870615] ? lock_downgrade+0x980/0x980 [ 40.874754] ? oom_evaluate_task+0x480/0x480 [ 40.879169] ? security_capable_noaudit+0x8b/0xc0 [ 40.884004] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 40.889094] ? has_capability+0x30/0x30 [ 40.893051] ? do_raw_spin_trylock+0x190/0x190 [ 40.897621] ? check_noncircular+0x20/0x20 [ 40.901854] ? has_capability_noaudit+0x24/0x30 [ 40.906512] ? oom_badness+0xd1/0x980 [ 40.910299] ? lock_release+0xa40/0xa40 [ 40.914259] ? do_try_to_free_pages+0xc53/0x1020 [ 40.919002] ? find_lock_task_mm+0x460/0x460 [ 40.923403] ? find_held_lock+0x35/0x1d0 [ 40.927460] ? out_of_memory+0xb3a/0x1220 [ 40.931596] ? lock_downgrade+0x980/0x980 [ 40.935732] ? lock_release+0xa40/0xa40 [ 40.939689] ? lock_acquire+0x1d5/0x580 [ 40.943646] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 40.948570] ? oom_evaluate_task+0x284/0x480 [ 40.952972] out_of_memory+0x86d/0x1220 [ 40.956928] ? trace_hardirqs_on+0xd/0x10 [ 40.961076] ? oom_killer_disable+0x310/0x310 [ 40.965551] ? mutex_trylock+0x23a/0x2d0 [ 40.969601] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 40.975034] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.980923] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 40.985761] ? trace_hardirqs_on+0xd/0x10 [ 40.989923] ? warn_alloc+0x2b0/0x2b0 [ 40.993708] ? lock_downgrade+0x980/0x980 [ 40.997855] ? __lock_is_held+0xb6/0x140 [ 41.001926] ? find_get_entry+0x53c/0x9e0 [ 41.006094] ? __lock_acquire+0x664/0x3e00 [ 41.010367] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 41.016255] ? __might_sleep+0x95/0x190 [ 41.020222] __alloc_pages_nodemask+0x9fb/0xd80 [ 41.024889] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 41.029890] ? add_to_page_cache_lru+0x510/0x510 [ 41.034646] ? check_noncircular+0x20/0x20 [ 41.038866] ? check_noncircular+0x20/0x20 [ 41.043098] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 41.047870] alloc_pages_current+0xb6/0x1e0 [ 41.052183] __page_cache_alloc+0x334/0x500 [ 41.056491] ? rcu_read_lock_held+0xa9/0xc0 [ 41.060808] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 41.068173] filemap_fault+0xefc/0x1c20 [ 41.072135] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 41.077311] ? __lock_page_or_retry+0x4f0/0x4f0 [ 41.081957] ? filemap_map_pages+0x942/0x15d0 [ 41.086434] ? find_get_entries_tag+0xeb0/0xeb0 [ 41.091074] ? lock_downgrade+0x980/0x980 [ 41.095193] ? check_noncircular+0x20/0x20 [ 41.099398] ? find_held_lock+0x35/0x1d0 [ 41.103429] ? print_irqtrace_events+0x270/0x270 [ 41.108156] ? print_irqtrace_events+0x270/0x270 [ 41.112882] ? print_irqtrace_events+0x270/0x270 [ 41.117610] ? is_bpf_text_address+0x7b/0x120 [ 41.122087] ? lock_acquire+0x1d5/0x580 [ 41.126034] ? lock_acquire+0x1d5/0x580 [ 41.129979] ? ext4_filemap_fault+0x7a/0xad [ 41.134272] ? __lock_acquire+0x664/0x3e00 [ 41.138477] ? lock_release+0xa40/0xa40 [ 41.142423] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 41.148282] ? rcu_note_context_switch+0x710/0x710 [ 41.153184] ? __might_sleep+0x95/0x190 [ 41.157131] ? down_read+0x96/0x150 [ 41.160728] ? ext4_filemap_fault+0x7a/0xad [ 41.165026] ? __down_interruptible+0x6b0/0x6b0 [ 41.169678] ext4_filemap_fault+0x82/0xad [ 41.173797] __do_fault+0xeb/0x30f [ 41.177308] ? vfs_read+0x11e/0x350 [ 41.180908] ? pte_offset_kernel+0xc7/0xc7 [ 41.185115] ? do_raw_spin_trylock+0x190/0x190 [ 41.189668] ? check_noncircular+0x20/0x20 [ 41.193875] ? check_noncircular+0x20/0x20 [ 41.198085] __handle_mm_fault+0x1d8f/0x3ce0 [ 41.202470] ? __pmd_alloc+0x4e0/0x4e0 [ 41.206332] ? find_held_lock+0x35/0x1d0 [ 41.210368] ? handle_mm_fault+0x248/0x8d0 [ 41.214571] ? lock_downgrade+0x980/0x980 [ 41.218708] handle_mm_fault+0x334/0x8d0 [ 41.222738] ? down_read_trylock+0xdb/0x170 [ 41.227034] ? __do_page_fault+0x32d/0xc90 [ 41.231238] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 41.235788] ? vmacache_find+0x5f/0x280 [ 41.239738] ? find_vma+0x30/0x150 [ 41.243250] __do_page_fault+0x5c9/0xc90 [ 41.247282] ? vfs_copy_file_range+0x940/0x940 [ 41.251842] ? mm_fault_error+0x2c0/0x2c0 [ 41.255959] ? avc_policy_seqno+0x9/0x20 [ 41.259997] do_page_fault+0xee/0x720 [ 41.263777] ? __do_page_fault+0xc90/0xc90 [ 41.267988] ? fput+0xd2/0x140 [ 41.271152] ? SyS_read+0x184/0x220 [ 41.274749] ? retint_user+0x18/0x18 [ 41.278433] ? page_fault+0x36/0x60 [ 41.282037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.286854] ? page_fault+0x36/0x60 [ 41.290452] page_fault+0x4c/0x60 [ 41.293873] RIP: 0033:0x7fc376d1e579 [ 41.297554] RSP: 002b:00007fc3756edda0 EFLAGS: 00010203 [ 41.302886] RAX: 00007fc3756ee6b0 RBX: 0000000000000006 RCX: 00007fc376f2362d [ 41.310126] RDX: 0000000000000359 RSI: 00007fc376f235a0 RDI: 0000000000000006 [ 41.317372] RBP: 00007fc376f235a0 R08: 00007fc376d20620 R09: 0000000000000000 [ 41.324611] R10: 6f205d3034363332 R11: 0000000000000000 R12: 0000000000000000 [ 41.331849] R13: 0000000000000000 R14: 00000000000000fd R15: 00007fc376f2262e [ 41.339223] Mem-Info: [ 41.342802] active_anon:4678 inactive_anon:62 isolated_anon:0 [ 41.342802] active_file:19 inactive_file:18 isolated_file:0 [ 41.342802] unevictable:0 dirty:0 writeback:0 unstable:0 [ 41.342802] slab_reclaimable:7420 slab_unreclaimable:85297 [ 41.342802] mapped:2 shmem:70 pagetables:344 bounce:0 [ 41.342802] free:24320 free_pcp:74 free_cma:0 [ 41.375387] Node 0 active_anon:18712kB inactive_anon:248kB active_file:76kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 41.402292] 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 [ 41.428430] lowmem_reserve[]: 0 2870 6381 6381 [ 41.433045] Node 0 DMA32 free:44356kB min:30332kB low:37912kB high:45492kB active_anon:10272kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:20kB bounce:0kB free_pcp:124kB local_pcp:4kB free_cma:0kB [ 41.461090] lowmem_reserve[]: 0 0 3510 3510 [ 41.465456] Node 0 Normal free:37016kB min:37084kB low:46352kB high:55620kB active_anon:8440kB inactive_anon:248kB active_file:76kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3360kB pagetables:1356kB bounce:0kB free_pcp:172kB local_pcp:24kB free_cma:0kB [ 41.494895] lowmem_reserve[]: 0 0 0 0 [ 41.498732] 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 [ 41.512389] Node 0 DMA32: 7*4kB (UME) 5*8kB (ME) 8*16kB (ME) 2*32kB (ME) 5*64kB (UME) 6*128kB (UME) 4*256kB (M) 4*512kB (ME) 3*1024kB (ME) 2*2048kB (ME) 8*4096kB (M) = 44356kB [ 41.528308] Node 0 Normal: 414*4kB (UME) 374*8kB (UME) 268*16kB (UM) 188*32kB (UME) 95*64kB (ME) 39*128kB (ME) 27*256kB (ME) 6*512kB (ME) 1*1024kB (E) 0*2048kB 0*4096kB = 37032kB [ 41.544480] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 41.553070] 107 total pagecache pages [ 41.556884] 0 pages in swap cache [ 41.560350] Swap cache stats: add 0, delete 0, find 0/0 [ 41.565722] Free swap = 0kB [ 41.568768] Total swap = 0kB [ 41.571798] 1965979 pages RAM [ 41.574910] 0 pages HighMem/MovableOnly [ 41.578890] 327760 pages reserved [ 41.582419] Unreclaimable slab info: [ 41.586225] Name Used Total [ 41.591825] pid_2 1KB 4KB [ 41.597201] hashtab_node 118KB 119KB [ 41.602582] ebitmap_node 382KB 385KB [ 41.607961] avtab_node 1012KB 1013KB [ 41.613346] TIPC 12KB 21KB [ 41.618729] SCTPv6 18KB 20KB [ 41.624963] DCCPv6 21KB 21KB [ 41.630345] DCCP 20KB 20KB [ 41.635730] fib6_nodes 0KB 4KB [ 41.641101] ip6_dst_cache 7KB 7KB [ 41.646487] RAWv6 87KB 91KB [ 41.651863] UDPv6 12KB 14KB [ 41.657239] TCPv6 2KB 5KB [ 41.662628] sd_ext_cdb 0KB 3KB [ 41.668005] scsi_sense_cache 112KB 120KB [ 41.673400] virtio_scsi_cmd 16KB 16KB [ 41.678784] sgpool-128 8KB 8KB [ 41.684156] sgpool-64 4KB 6KB [ 41.689530] sgpool-32 267KB 267KB [ 41.694909] sgpool-16 75KB 75KB [ 41.700287] sgpool-8 236KB 236KB [ 41.705662] cfq_io_cq 17KB 19KB [ 41.711039] cfq_queue 27KB 27KB [ 41.716415] mqueue_inode_cache 12KB 14KB [ 41.721880] nfs_commit_data 3KB 7KB [ 41.727253] nfs_write_data 34KB 37KB [ 41.732636] jbd2_inode 1KB 3KB [ 41.738036] ext4_system_zone 0KB 3KB [ 41.743416] bio-1 1KB 3KB [ 41.748789] pid_namespace 2KB 3KB [ 41.754938] rpc_buffers 17KB 19KB [ 41.760321] rpc_tasks 2KB 3KB [ 41.765687] UNIX 780KB 784KB [ 41.771047] tcp_bind_bucket 1KB 4KB [ 41.776402] ip_fib_trie 0KB 3KB [ 41.781755] ip_fib_alias 0KB 3KB [ 41.787105] ip_dst_cache 4KB 7KB [ 41.792458] RAW 53KB 57KB [ 41.797810] UDP 42KB 46KB [ 41.803162] TCP 28KB 31KB [ 41.808510] hugetlbfs_inode_cache 1KB 7KB [ 41.814212] eventpoll_pwq 10KB 15KB [ 41.819560] eventpoll_epi 18KB 27KB [ 41.824909] inotify_inode_mark 3KB 7KB [ 41.830344] request_queue 36KB 90KB [ 41.835695] blkdev_ioc 23KB 23KB [ 41.841050] bio-0 427KB 427KB [ 41.846403] biovec-(1<<(21-12)) 511KB 511KB [ 41.851928] biovec-64 189KB 189KB [ 41.857279] biovec-16 52KB 52KB [ 41.862631] bio_integrity_payload 0KB 4KB [ 41.868332] khugepaged_mm_slot 0KB 3KB [ 41.873777] uid_cache 0KB 3KB [ 41.879126] dmaengine-unmap-2 0KB 3KB [ 41.884480] audit_buffer 0KB 3KB [ 41.890297] skbuff_fclone_cache 138KB 142KB [ 41.895854] skbuff_head_cache 2351KB 2355KB [ 41.901227] configfs_dir_cache 0KB 4KB [ 41.906687] file_lock_cache 161KB 162KB [ 41.912061] file_lock_ctx 1KB 3KB [ 41.917439] fsnotify_mark_connector 2KB 3KB [ 41.923335] net_namespace 59KB 59KB [ 41.928712] shmem_inode_cache 1054KB 1054KB [ 41.934086] task_delay_info 322KB 336KB [ 41.939463] sigqueue 365KB 370KB [ 41.944836] kernfs_node_cache 3639KB 3642KB [ 41.950214] mnt_cache 67KB 68KB [ 41.955591] filp 8228KB 8707KB [ 41.960969] names_cache 108974KB 109012KB [ 41.966350] avc_node 37KB 43KB [ 41.971728] selinux_file_security 415KB 496KB [ 41.977455] selinux_inode_security 1979KB 1980KB [ 41.983263] key_jar 3KB 7KB [ 41.988639] nsproxy 4KB 7KB [ 41.994033] vm_area_struct 18667KB 18678KB [ 41.999409] mm_struct 4529KB 4531KB [ 42.004785] fs_cache 431KB 432KB [ 42.010161] files_cache 1600KB 1601KB [ 42.015543] signal_cache 2557KB 2558KB [ 42.020919] sighand_cache 263KB 333KB [ 42.027087] task_struct 10890KB 10896KB [ 42.032468] cred_jar 2355KB 2356KB [ 42.037840] anon_vma_chain 7830KB 7839KB [ 42.043208] anon_vma 146KB 315KB [ 42.048581] pid 221KB 240KB [ 42.053954] Acpi-Operand 106KB 170KB [ 42.059329] Acpi-State 0KB 3KB [ 42.064700] Acpi-Namespace 19KB 23KB [ 42.070075] numa_policy 0KB 3KB [ 42.075456] debug_objects_cache 555KB 559KB [ 42.081007] trace_event_file 144KB 147KB [ 42.086401] ftrace_event_field 254KB 255KB [ 42.091848] pool_workqueue 40KB 44KB [ 42.097216] page->ptl 3113KB 3119KB [ 42.102615] kmalloc-262144 1032KB 1032KB [ 42.108007] kmalloc-131072 650KB 650KB [ 42.113402] kmalloc-65536 264KB 264KB [ 42.118774] kmalloc-32768 1353KB 1353KB [ 42.124147] kmalloc-16384 313KB 313KB [ 42.129522] kmalloc-8192 800KB 800KB [ 42.134895] kmalloc-4096 9112KB 9150KB [ 42.140270] kmalloc-2048 4594KB 4596KB [ 42.145654] kmalloc-1024 4347KB 4347KB [ 42.151042] kmalloc-512 3326KB 3326KB [ 42.156414] kmalloc-256 2425KB 2493KB [ 42.162577] kmalloc-128 525KB 531KB [ 42.167957] kmalloc-96 2088KB 2088KB [ 42.173333] kmalloc-64 2556KB 2556KB [ 42.178708] kmalloc-32 2486KB 2492KB [ 42.184186] kmalloc-192 1022KB 1024KB [ 42.189563] kmem_cache 105KB 108KB [ 42.194938] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 42.203614] [ 1818] 0 1818 5385 186 94208 0 -1000 udevd [ 42.211869] [ 3499] 0 3499 30682 249 126976 0 0 rsyslogd [ 42.220295] [ 3549] 0 3549 4725 50 81920 0 0 cron [ 42.228368] [ 3572] 0 3572 3735 44 65536 0 0 mcstransd [ 42.236881] [ 3600] 0 3600 12490 152 143360 0 -1000 sshd [ 42.244952] [ 3624] 0 3624 3694 40 73728 0 0 getty [ 42.253111] [ 3625] 0 3625 3694 42 73728 0 0 getty [ 42.261274] [ 3626] 0 3626 3694 40 77824 0 0 getty [ 42.269436] [ 3627] 0 3627 3694 41 73728 0 0 getty [ 42.277600] [ 3628] 0 3628 3694 39 73728 0 0 getty [ 42.285764] [ 3629] 0 3629 3694 41 73728 0 0 getty [ 42.293922] [ 3630] 0 3630 3649 39 77824 0 0 getty [ 42.302104] [ 3634] 0 3634 5681 455 90112 0 -1000 udevd [ 42.310262] [ 3635] 0 3635 5681 454 90112 0 -1000 udevd [ 42.318425] [ 3652] 0 3652 17821 198 184320 0 0 sshd [ 42.326499] [ 3654] 0 3654 285 1 32768 0 0 syzkaller172790 [ 42.335543] [ 3655] 0 3655 285 11 32768 0 0 syzkaller172790 [ 42.344571] [ 3656] 0 3656 285 11 32768 0 0 syzkaller172790 [ 42.353599] [ 3657] 0 3657 285 11 32768 0 0 syzkaller172790 [ 42.362632] [ 3658] 0 3658 285 11 32768 0 0 syzkaller172790 [ 42.371662] [ 3659] 0 3659 285 11 32768 0 0 syzkaller172790 [ 42.380696] [ 3660] 0 3660 285 11 32768 0 0 syzkaller172790 [ 42.389728] [ 3661] 0 3661 285 11 32768 0 0 syzkaller172790 [ 42.398759] [ 3662] 0 3662 285 11 32768 0 0 syzkaller172790 [ 42.407816] [ 3663] 0 3663 4048 0 32768 0 0 syzkaller172790 [ 42.416841] [ 3664] 0 3664 4048 0 32768 0 0 syzkaller172790 [ 42.425871] [ 3665] 0 3665 4048 0 32768 0 0 syzkaller172790 [ 42.434901] [ 3666] 0 3666 4048 523 36864 0 0 syzkaller172790 [ 42.443930] [ 3667] 0 3667 4048 523 36864 0 0 syzkaller172790 [ 42.452960] [ 3668] 0 3668 4048 523 36864 0 0 syzkaller172790 [ 42.461991] [ 3669] 0 3669 4048 523 36864 0 0 syzkaller172790 [ 42.471040] [ 3670] 0 3670 4048 523 36864 0 0 syzkaller172790 [ 42.480065] Out of memory: Kill process 3666 (syzkaller172790) score 0 or sacrifice child [ 42.489491] Killed process 3666 (syzkaller172790) total-vm:16192kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 42.502913] oom_reaper: reaped process 3666 (syzkaller172790), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 42.514272] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 42.525635] rsyslogd cpuset=/ mems_allowed=0 [ 42.530074] CPU: 1 PID: 3502 Comm: rsyslogd Not tainted 4.15.0-rc8+ #269 [ 42.536898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.546235] Call Trace: [ 42.548817] dump_stack+0x194/0x257 [ 42.552429] ? arch_local_irq_restore+0x53/0x53 [ 42.557072] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.562238] dump_header+0x28c/0xe1e [ 42.565930] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.571094] ? pagefault_out_of_memory+0x152/0x152 [ 42.575991] ? check_noncircular+0x20/0x20 [ 42.580202] ? print_irqtrace_events+0x270/0x270 [ 42.584930] ? __lock_acquire+0x664/0x3e00 [ 42.589137] ? check_noncircular+0x20/0x20 [ 42.593346] ? find_held_lock+0x35/0x1d0 [ 42.597382] ? check_noncircular+0x20/0x20 [ 42.601587] ? task_will_free_mem+0x252/0xaa0 [ 42.606058] ? print_irqtrace_events+0x270/0x270 [ 42.610789] ? ___ratelimit+0x30d/0x630 [ 42.614734] ? lock_downgrade+0x980/0x980 [ 42.618855] ? lock_release+0xa40/0xa40 [ 42.622805] ? mark_held_locks+0xaf/0x100 [ 42.626923] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 42.631996] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.636986] ? trace_hardirqs_on+0xd/0x10 [ 42.641109] ? ___ratelimit+0x95/0x630 [ 42.644968] ? idr_get_free_cmn+0xfd0/0xfd0 [ 42.649257] ? check_noncircular+0x20/0x20 [ 42.653462] ? find_held_lock+0x138/0x1d0 [ 42.657587] oom_kill_process+0x8b5/0x14a0 [ 42.661794] ? has_ns_capability_noaudit+0x163/0x2a0 [ 42.666867] ? lock_downgrade+0x980/0x980 [ 42.670989] ? oom_evaluate_task+0x480/0x480 [ 42.675378] ? security_capable_noaudit+0x8b/0xc0 [ 42.680195] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 42.685268] ? has_capability+0x30/0x30 [ 42.689213] ? do_raw_spin_trylock+0x190/0x190 [ 42.693764] ? check_noncircular+0x20/0x20 [ 42.697981] ? has_capability_noaudit+0x24/0x30 [ 42.702619] ? oom_badness+0xd1/0x980 [ 42.706389] ? lock_release+0xa40/0xa40 [ 42.710338] ? do_try_to_free_pages+0xc53/0x1020 [ 42.715065] ? find_lock_task_mm+0x460/0x460 [ 42.719450] ? find_held_lock+0x35/0x1d0 [ 42.723487] ? out_of_memory+0xb3a/0x1220 [ 42.727605] ? lock_downgrade+0x980/0x980 [ 42.731727] ? lock_release+0xa40/0xa40 [ 42.735670] ? lock_acquire+0x1d5/0x580 [ 42.739617] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 42.744523] ? oom_evaluate_task+0x284/0x480 [ 42.748906] out_of_memory+0x86d/0x1220 [ 42.752852] ? print_irqtrace_events+0x200/0x270 [ 42.757580] ? oom_killer_disable+0x310/0x310 [ 42.762043] ? mutex_trylock+0x23a/0x2d0 [ 42.766076] ? __lock_is_held+0xb6/0x140 [ 42.770110] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 42.775538] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 42.780359] ? trace_hardirqs_on+0xd/0x10 [ 42.784494] ? warn_alloc+0x2b0/0x2b0 [ 42.788265] ? lock_downgrade+0x980/0x980 [ 42.792392] ? radix_tree_lookup_slot+0x99/0xe0 [ 42.797049] ? find_get_entry+0x53c/0x9e0 [ 42.801185] ? __lock_acquire+0x664/0x3e00 [ 42.805403] ? __lock_is_held+0xb6/0x140 [ 42.809445] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 42.815310] ? __might_sleep+0x95/0x190 [ 42.819258] __alloc_pages_nodemask+0x9fb/0xd80 [ 42.823904] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 42.828894] ? add_to_page_cache_lru+0x510/0x510 [ 42.833627] ? check_noncircular+0x20/0x20 [ 42.837830] ? check_noncircular+0x20/0x20 [ 42.842042] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 42.846799] alloc_pages_current+0xb6/0x1e0 [ 42.851093] __page_cache_alloc+0x334/0x500 [ 42.855387] ? rcu_read_lock_held+0xa9/0xc0 [ 42.859680] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 42.867030] filemap_fault+0xefc/0x1c20 [ 42.870977] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.876146] ? __lock_page_or_retry+0x4f0/0x4f0 [ 42.880791] ? filemap_map_pages+0x942/0x15d0 [ 42.885267] ? find_get_entries_tag+0xeb0/0xeb0 [ 42.889908] ? lock_downgrade+0x980/0x980 [ 42.894036] ? check_noncircular+0x20/0x20 [ 42.898246] ? find_held_lock+0x35/0x1d0 [ 42.902277] ? print_irqtrace_events+0x270/0x270 [ 42.907003] ? print_irqtrace_events+0x270/0x270 [ 42.911734] ? print_irqtrace_events+0x270/0x270 [ 42.916463] ? is_bpf_text_address+0x7b/0x120 [ 42.920943] ? lock_acquire+0x1d5/0x580 [ 42.924886] ? lock_acquire+0x1d5/0x580 [ 42.928831] ? ext4_filemap_fault+0x7a/0xad [ 42.933124] ? __lock_acquire+0x664/0x3e00 [ 42.937329] ? lock_release+0xa40/0xa40 [ 42.941272] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 42.947140] ? rcu_note_context_switch+0x710/0x710 [ 42.952047] ? __might_sleep+0x95/0x190 [ 42.956002] ? down_read+0x96/0x150 [ 42.959606] ? ext4_filemap_fault+0x7a/0xad [ 42.963897] ? __down_interruptible+0x6b0/0x6b0 [ 42.968543] ext4_filemap_fault+0x82/0xad [ 42.972663] __do_fault+0xeb/0x30f [ 42.976171] ? vfs_read+0x11e/0x350 [ 42.979772] ? pte_offset_kernel+0xc7/0xc7 [ 42.983981] ? do_raw_spin_trylock+0x190/0x190 [ 42.988533] ? check_noncircular+0x20/0x20 [ 42.992741] ? check_noncircular+0x20/0x20 [ 42.996951] __handle_mm_fault+0x1d8f/0x3ce0 [ 43.001334] ? __pmd_alloc+0x4e0/0x4e0 [ 43.005202] ? find_held_lock+0x35/0x1d0 [ 43.009241] ? handle_mm_fault+0x248/0x8d0 [ 43.013448] ? lock_downgrade+0x980/0x980 [ 43.017586] handle_mm_fault+0x334/0x8d0 [ 43.021613] ? down_read_trylock+0xdb/0x170 [ 43.025912] ? __do_page_fault+0x32d/0xc90 [ 43.030118] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 43.034672] ? vmacache_find+0x5f/0x280 [ 43.038621] ? find_vma+0x30/0x150 [ 43.042133] __do_page_fault+0x5c9/0xc90 [ 43.046170] ? vfs_copy_file_range+0x940/0x940 [ 43.050731] ? mm_fault_error+0x2c0/0x2c0 [ 43.054851] ? avc_policy_seqno+0x9/0x20 [ 43.058889] do_page_fault+0xee/0x720 [ 43.062663] ? __do_page_fault+0xc90/0xc90 [ 43.066877] ? fput+0xd2/0x140 [ 43.070044] ? SyS_read+0x184/0x220 [ 43.073646] ? retint_user+0x18/0x18 [ 43.077330] ? page_fault+0x36/0x60 [ 43.080930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.085743] ? page_fault+0x36/0x60 [ 43.089338] page_fault+0x4c/0x60 [ 43.092760] RIP: 0033:0x7fc376d1e583 [ 43.096442] RSP: 002b:00007fc3756edda0 EFLAGS: 00010203 [ 43.101773] RAX: 0000000000000034 RBX: 0000000000000006 RCX: 00007fc376f2362d [ 43.109016] RDX: 0000000000000034 RSI: 00007fc376f235a0 RDI: 0000000000000006 [ 43.116259] RBP: 00007fc376f235a0 R08: 00007fc376d20620 R09: 00007fc377ae2100 [ 43.123499] R10: 6f205d3034363332 R11: 0000000000000000 R12: 0000000000000000 [ 43.130739] R13: 0000000000000000 R14: 00000000000000fd R15: 00007fc376f2262e [ 43.138121] Mem-Info: [ 43.141329] active_anon:4161 inactive_anon:62 isolated_anon:0 [ 43.141329] active_file:18 inactive_file:19 isolated_file:0 [ 43.141329] unevictable:0 dirty:0 writeback:0 unstable:0 [ 43.141329] slab_reclaimable:7420 slab_unreclaimable:85285 [ 43.141329] mapped:2 shmem:70 pagetables:343 bounce:0 [ 43.141329] free:23938 free_pcp:30 free_cma:0 [ 43.173399] Node 0 active_anon:16644kB inactive_anon:248kB active_file:76kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.200217] 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 [ 43.226353] lowmem_reserve[]: 0 2870 6381 6381 [ 43.230978] Node 0 DMA32 free:44300kB min:30332kB low:37912kB high:45492kB active_anon:8224kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:16kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 43.258682] lowmem_reserve[]: 0 0 3510 3510 [ 43.263036] Node 0 Normal free:35544kB min:37084kB low:46352kB high:55620kB active_anon:8420kB inactive_anon:248kB active_file:32kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3360kB pagetables:1356kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.292571] lowmem_reserve[]: 0 0 0 0 [ 43.296395] 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 [ 43.310034] Node 0 DMA32: 7*4kB (UME) 6*8kB (UME) 8*16kB (ME) 2*32kB (ME) 4*64kB (ME) 6*128kB (UME) 4*256kB (M) 4*512kB (ME) 3*1024kB (ME) 4*2048kB (UME) 7*4096kB (M) = 44300kB [ 43.326031] Node 0 Normal: 420*4kB (UM) 373*8kB (UM) 268*16kB (UM) 187*32kB (UM) 94*64kB (ME) 38*128kB (M) 26*256kB (M) 6*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 35544kB [ 43.341411] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.349982] 107 total pagecache pages [ 43.354241] 0 pages in swap cache [ 43.357709] Swap cache stats: add 0, delete 0, find 0/0 [ 43.363079] Free swap = 0kB [ 43.366098] Total swap = 0kB [ 43.369114] 1965979 pages RAM [ 43.372215] 0 pages HighMem/MovableOnly [ 43.376200] 327760 pages reserved [ 43.379660] Unreclaimable slab info: [ 43.383374] Name Used Total [ 43.388931] pid_2 1KB 4KB [ 43.394306] hashtab_node 118KB 119KB [ 43.399688] ebitmap_node 382KB 385KB [ 43.405064] avtab_node 1012KB 1013KB [ 43.410449] TIPC 12KB 21KB [ 43.415822] SCTPv6 18KB 20KB [ 43.421197] DCCPv6 21KB 21KB [ 43.427360] DCCP 20KB 20KB [ 43.432738] fib6_nodes 0KB 4KB [ 43.438106] ip6_dst_cache 7KB 7KB [ 43.443482] RAWv6 87KB 91KB [ 43.448856] UDPv6 12KB 14KB [ 43.454222] TCPv6 2KB 5KB [ 43.459588] sd_ext_cdb 0KB 3KB [ 43.464944] scsi_sense_cache 112KB 120KB [ 43.470297] virtio_scsi_cmd 16KB 16KB [ 43.475654] sgpool-128 8KB 8KB [ 43.481036] sgpool-64 4KB 6KB [ 43.486402] sgpool-32 266KB 267KB [ 43.491758] sgpool-16 73KB 75KB [ 43.497114] sgpool-8 236KB 236KB [ 43.502467] cfq_io_cq 17KB 19KB [ 43.507820] cfq_queue 27KB 27KB [ 43.513176] mqueue_inode_cache 12KB 14KB [ 43.518617] nfs_commit_data 3KB 7KB [ 43.523973] nfs_write_data 34KB 37KB [ 43.529328] jbd2_inode 1KB 3KB [ 43.534684] ext4_system_zone 0KB 3KB [ 43.540048] bio-1 1KB 3KB [ 43.545403] pid_namespace 2KB 3KB [ 43.550760] rpc_buffers 17KB 19KB [ 43.556196] rpc_tasks 2KB 3KB [ 43.561957] UNIX 780KB 784KB [ 43.567339] tcp_bind_bucket 1KB 4KB [ 43.572719] ip_fib_trie 0KB 3KB [ 43.578079] ip_fib_alias 0KB 3KB [ 43.583449] ip_dst_cache 4KB 7KB [ 43.588830] RAW 53KB 57KB [ 43.594192] UDP 42KB 46KB [ 43.599566] TCP 28KB 31KB [ 43.604939] hugetlbfs_inode_cache 1KB 7KB [ 43.610666] eventpoll_pwq 10KB 15KB [ 43.617159] eventpoll_epi 18KB 27KB [ 43.622543] inotify_inode_mark 3KB 7KB [ 43.628034] request_queue 36KB 90KB [ 43.633411] blkdev_ioc 23KB 23KB [ 43.638788] bio-0 431KB 431KB [ 43.644167] biovec-(1<<(21-12)) 511KB 511KB [ 43.649719] biovec-64 187KB 189KB [ 43.655095] biovec-16 52KB 52KB [ 43.660463] bio_integrity_payload 0KB 4KB [ 43.666180] khugepaged_mm_slot 0KB 3KB [ 43.671647] uid_cache 0KB 3KB [ 43.677035] dmaengine-unmap-2 0KB 3KB [ 43.682430] audit_buffer 0KB 3KB [ 43.688600] skbuff_fclone_cache 138KB 142KB [ 43.694135] skbuff_head_cache 2350KB 2355KB [ 43.699507] configfs_dir_cache 0KB 4KB [ 43.704971] file_lock_cache 161KB 162KB [ 43.710350] file_lock_ctx 1KB 3KB [ 43.715725] fsnotify_mark_connector 2KB 3KB [ 43.721626] net_namespace 59KB 59KB [ 43.726997] shmem_inode_cache 1054KB 1054KB [ 43.732378] task_delay_info 320KB 336KB [ 43.737754] sigqueue 365KB 370KB [ 43.743171] kernfs_node_cache 3639KB 3642KB [ 43.748578] mnt_cache 67KB 68KB [ 43.755071] filp 8221KB 8707KB [ 43.761294] names_cache 108965KB 109004KB [ 43.767720] avc_node 37KB 43KB [ 43.773094] selinux_file_security 414KB 496KB [ 43.778803] selinux_inode_security 1978KB 1980KB [ 43.784587] key_jar 3KB 7KB [ 43.789936] nsproxy 4KB 7KB [ 43.795284] vm_area_struct 18664KB 18678KB [ 43.800631] mm_struct 4528KB 4531KB [ 43.805979] fs_cache 429KB 432KB [ 43.811332] files_cache 1599KB 1601KB [ 43.817128] signal_cache 2554KB 2558KB [ 43.822488] sighand_cache 252KB 333KB [ 43.827835] task_struct 10890KB 10896KB [ 43.833200] cred_jar 2354KB 2356KB [ 43.838558] anon_vma_chain 7830KB 7839KB [ 43.843912] anon_vma 144KB 315KB [ 43.849263] pid 221KB 240KB [ 43.854609] Acpi-Operand 106KB 170KB [ 43.859961] Acpi-State 0KB 3KB [ 43.865314] Acpi-Namespace 19KB 23KB [ 43.870664] numa_policy 0KB 3KB [ 43.876026] debug_objects_cache 555KB 559KB [ 43.881552] trace_event_file 144KB 147KB [ 43.886900] ftrace_event_field 254KB 255KB [ 43.892335] pool_workqueue 40KB 44KB [ 43.897694] page->ptl 3113KB 3119KB [ 43.903055] kmalloc-262144 1032KB 1032KB [ 43.908400] kmalloc-131072 650KB 650KB [ 43.913748] kmalloc-65536 264KB 264KB [ 43.919094] kmalloc-32768 1353KB 1353KB [ 43.924440] kmalloc-16384 313KB 313KB [ 43.929787] kmalloc-8192 800KB 800KB [ 43.935146] kmalloc-4096 9103KB 9141KB [ 43.940501] kmalloc-2048 4594KB 4596KB [ 43.946296] kmalloc-1024 4347KB 4347KB [ 43.951649] kmalloc-512 3326KB 3326KB [ 43.956998] kmalloc-256 2422KB 2493KB [ 43.962346] kmalloc-128 524KB 531KB [ 43.967693] kmalloc-96 2088KB 2088KB [ 43.973041] kmalloc-64 2556KB 2556KB [ 43.978392] kmalloc-32 2486KB 2492KB [ 43.983744] kmalloc-192 1022KB 1024KB [ 43.989090] kmem_cache 105KB 108KB [ 43.994436] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 44.003064] [ 1818] 0 1818 5385 186 94208 0 -1000 udevd [ 44.011225] [ 3499] 0 3499 30682 249 126976 0 0 rsyslogd [ 44.019644] [ 3549] 0 3549 4725 50 81920 0 0 cron [ 44.027714] [ 3572] 0 3572 3735 44 65536 0 0 mcstransd [ 44.036204] [ 3600] 0 3600 12490 152 143360 0 -1000 sshd [ 44.044257] [ 3624] 0 3624 3694 40 73728 0 0 getty [ 44.052394] [ 3625] 0 3625 3694 42 73728 0 0 getty [ 44.060531] [ 3626] 0 3626 3694 40 77824 0 0 getty [ 44.068669] [ 3627] 0 3627 3694 41 73728 0 0 getty [ 44.076808] [ 3628] 0 3628 3694 39 73728 0 0 getty [ 44.084960] [ 3629] 0 3629 3694 41 73728 0 0 getty [ 44.093112] [ 3630] 0 3630 3649 39 77824 0 0 getty [ 44.101268] [ 3634] 0 3634 5681 455 90112 0 -1000 udevd [ 44.109438] [ 3635] 0 3635 5681 454 90112 0 -1000 udevd [ 44.117597] [ 3652] 0 3652 17821 198 184320 0 0 sshd [ 44.125668] [ 3654] 0 3654 285 1 32768 0 0 syzkaller172790 [ 44.134689] [ 3655] 0 3655 285 11 32768 0 0 syzkaller172790 [ 44.143711] [ 3656] 0 3656 285 11 32768 0 0 syzkaller172790 [ 44.152731] [ 3657] 0 3657 285 11 32768 0 0 syzkaller172790 [ 44.161755] [ 3658] 0 3658 285 11 32768 0 0 syzkaller172790 [ 44.170778] [ 3659] 0 3659 285 11 32768 0 0 syzkaller172790 [ 44.179800] [ 3660] 0 3660 285 11 32768 0 0 syzkaller172790 [ 44.188825] [ 3661] 0 3661 285 11 32768 0 0 syzkaller172790 [ 44.197850] [ 3662] 0 3662 285 11 32768 0 0 syzkaller172790 [ 44.206876] [ 3663] 0 3663 4048 0 32768 0 0 syzkaller172790 [ 44.215896] [ 3664] 0 3664 4048 0 32768 0 0 syzkaller172790 [ 44.224915] [ 3665] 0 3665 4048 0 32768 0 0 syzkaller172790 [ 44.233937] [ 3666] 0 3666 4048 0 32768 0 0 syzkaller172790 [ 44.242955] [ 3667] 0 3667 4048 523 36864 0 0 syzkaller172790 [ 44.251976] [ 3668] 0 3668 4048 523 36864 0 0 syzkaller172790 [ 44.261012] [ 3669] 0 3669 4048 523 36864 0 0 syzkaller172790 [ 44.270057] [ 3670] 0 3670 4048 523 36864 0 0 syzkaller172790 [ 44.279077] Out of memory: Kill process 3667 (syzkaller172790) score 0 or sacrifice child [ 44.288225] Killed process 3667 (syzkaller172790) total-vm:16192kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 44.300630] oom_reaper: reaped process 3667 (syzkaller172790), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 44.322586] syzkaller172790 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 44.335130] syzkaller172790 cpuset=/ mems_allowed=0 [ 44.340181] CPU: 0 PID: 3669 Comm: syzkaller172790 Not tainted 4.15.0-rc8+ #269 [ 44.347604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.356928] Call Trace: [ 44.359487] dump_stack+0x194/0x257 [ 44.363088] ? arch_local_irq_restore+0x53/0x53 [ 44.367730] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.372899] dump_header+0x28c/0xe1e [ 44.376600] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.381765] ? pagefault_out_of_memory+0x152/0x152 [ 44.386676] ? check_noncircular+0x20/0x20 [ 44.390885] ? print_irqtrace_events+0x270/0x270 [ 44.395617] ? __lock_acquire+0x664/0x3e00 [ 44.399825] ? check_noncircular+0x20/0x20 [ 44.404040] ? find_held_lock+0x35/0x1d0 [ 44.408078] ? check_noncircular+0x20/0x20 [ 44.412281] ? task_will_free_mem+0x252/0xaa0 [ 44.416749] ? print_irqtrace_events+0x270/0x270 [ 44.421480] ? ___ratelimit+0x30d/0x630 [ 44.425427] ? lock_downgrade+0x980/0x980 [ 44.429551] ? lock_release+0xa40/0xa40 [ 44.433499] ? mark_held_locks+0xaf/0x100 [ 44.437618] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 44.442695] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.447683] ? trace_hardirqs_on+0xd/0x10 [ 44.451804] ? ___ratelimit+0x95/0x630 [ 44.455663] ? idr_get_free_cmn+0xfd0/0xfd0 [ 44.459954] ? check_noncircular+0x20/0x20 [ 44.464159] ? find_held_lock+0x138/0x1d0 [ 44.468282] oom_kill_process+0x8b5/0x14a0 [ 44.472490] ? has_ns_capability_noaudit+0x163/0x2a0 [ 44.477567] ? lock_downgrade+0x980/0x980 [ 44.481689] ? oom_evaluate_task+0x480/0x480 [ 44.486078] ? security_capable_noaudit+0x8b/0xc0 [ 44.490893] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 44.495965] ? has_capability+0x30/0x30 [ 44.499909] ? do_raw_spin_trylock+0x190/0x190 [ 44.504460] ? check_noncircular+0x20/0x20 [ 44.508669] ? has_capability_noaudit+0x24/0x30 [ 44.513307] ? oom_badness+0xd1/0x980 [ 44.517076] ? lock_release+0xa40/0xa40 [ 44.521350] ? do_try_to_free_pages+0xc53/0x1020 [ 44.526082] ? find_lock_task_mm+0x460/0x460 [ 44.530464] ? find_held_lock+0x35/0x1d0 [ 44.534504] ? out_of_memory+0xb3a/0x1220 [ 44.538623] ? lock_downgrade+0x980/0x980 [ 44.542745] ? lock_release+0xa40/0xa40 [ 44.546687] ? lock_acquire+0x1d5/0x580 [ 44.550630] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 44.555537] ? oom_evaluate_task+0x284/0x480 [ 44.559919] out_of_memory+0x86d/0x1220 [ 44.563872] ? oom_killer_disable+0x310/0x310 [ 44.568338] ? mutex_trylock+0x23a/0x2d0 [ 44.572373] ? __lock_is_held+0xb6/0x140 [ 44.576405] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 44.581835] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 44.586672] ? warn_alloc+0x2b0/0x2b0 [ 44.590447] ? lock_release+0xa40/0xa40 [ 44.594393] ? __schedule+0x8f3/0x2060 [ 44.598250] ? print_irqtrace_events+0x270/0x270 [ 44.602987] ? find_held_lock+0x35/0x1d0 [ 44.607035] ? __mutex_lock+0x5bd/0x1a80 [ 44.611072] ? __lock_acquire+0x664/0x3e00 [ 44.615275] ? lock_release+0xa40/0xa40 [ 44.619224] ? memset+0x31/0x40 [ 44.622475] ? do_raw_spin_trylock+0x190/0x190 [ 44.627048] ? __lock_is_held+0xb6/0x140 [ 44.631094] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.636947] ? find_held_lock+0x35/0x1d0 [ 44.640988] ? __might_sleep+0x95/0x190 [ 44.644937] __alloc_pages_nodemask+0x9fb/0xd80 [ 44.649582] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 44.654575] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 44.659495] ? print_irqtrace_events+0x270/0x270 [ 44.664227] ? __lock_is_held+0xb6/0x140 [ 44.668265] ? find_next_bit+0x27/0x30 [ 44.672128] pcpu_populate_chunk+0x1b3/0x880 [ 44.676515] pcpu_alloc+0x978/0x10e0 [ 44.680207] ? pcpu_free_area+0xa00/0xa00 [ 44.684328] ? vmap_page_range_noflush+0x523/0x720 [ 44.689243] ? map_vm_area+0x9e/0xd0 [ 44.692928] ? __vmalloc_node_range+0x37a/0x650 [ 44.697574] ? array_map_alloc+0x354/0x990 [ 44.701781] ? __vmalloc_node_flags_caller+0x50/0x60 [ 44.706857] __alloc_percpu_gfp+0x27/0x30 [ 44.710975] array_map_alloc+0x794/0x990 [ 44.715023] SyS_bpf+0x7f8/0x4400 [ 44.718447] ? check_noncircular+0x20/0x20 [ 44.722656] ? bpf_prog_get+0x20/0x20 [ 44.726425] ? kmem_cache_alloc+0x4e9/0x760 [ 44.730718] ? lock_downgrade+0x980/0x980 [ 44.734836] ? perf_event_fork+0x30/0x30 [ 44.738874] ? lock_release+0xa40/0xa40 [ 44.742835] ? __lock_is_held+0xb6/0x140 [ 44.746873] ? check_noncircular+0x20/0x20 [ 44.751085] ? __handle_mm_fault+0x80e/0x3ce0 [ 44.755554] ? check_noncircular+0x20/0x20 [ 44.759761] ? __pmd_alloc+0x4e0/0x4e0 [ 44.763617] ? vma_link+0xe9/0x170 [ 44.767134] ? find_held_lock+0x35/0x1d0 [ 44.771170] ? handle_mm_fault+0x248/0x8d0 [ 44.775375] ? find_held_lock+0x35/0x1d0 [ 44.779413] ? __do_page_fault+0x5f7/0xc90 [ 44.783619] ? lock_downgrade+0x980/0x980 [ 44.787744] ? handle_mm_fault+0x410/0x8d0 [ 44.791947] ? down_read_trylock+0xdb/0x170 [ 44.796239] ? __do_page_fault+0x32d/0xc90 [ 44.800445] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 44.804996] ? vmacache_find+0x5f/0x280 [ 44.808943] ? vmacache_update+0xfe/0x130 [ 44.813065] ? up_read+0x1a/0x40 [ 44.816402] ? __do_page_fault+0x3d6/0xc90 [ 44.820614] ? mm_fault_error+0x2c0/0x2c0 [ 44.824742] ? do_page_fault+0xee/0x720 [ 44.828691] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 44.834201] ? __do_page_fault+0xc90/0xc90 [ 44.838412] ? SyS_mmap_pgoff+0x243/0x5f0 [ 44.842539] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.847272] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 44.851997] RIP: 0033:0x440859 [ 44.855162] RSP: 002b:00007ffe7a1860e8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 44.862837] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440859 [ 44.870078] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 44.877317] RBP: 00000000006cb018 R08: 0000000000000000 R09: 0000000000000000 [ 44.884560] R10: 00000000ffffffff R11: 0000000000000217 R12: 0000000000401c30 [ 44.891802] R13: 0000000000401cc0 R14: 0000000000000000 R15: 0000000000000000 [ 44.899216] Mem-Info: [ 44.901689] active_anon:3644 inactive_anon:62 isolated_anon:0 [ 44.901689] active_file:17 inactive_file:19 isolated_file:0 [ 44.901689] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.901689] slab_reclaimable:7420 slab_unreclaimable:85290 [ 44.901689] mapped:2 shmem:70 pagetables:342 bounce:0 [ 44.901689] free:22870 free_pcp:22 free_cma:0 [ 44.933724] Node 0 active_anon:14576kB inactive_anon:248kB active_file:32kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 44.960522] 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 [ 44.986638] lowmem_reserve[]: 0 2870 6381 6381 [ 44.991242] Node 0 DMA32 free:44180kB min:30332kB low:37912kB high:45492kB active_anon:6176kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:12kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.018763] lowmem_reserve[]: 0 0 3510 3510 [ 45.023089] Node 0 Normal free:31392kB min:37084kB low:46352kB high:55620kB active_anon:8400kB inactive_anon:248kB active_file:28kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3360kB pagetables:1356kB bounce:0kB free_pcp:88kB local_pcp:0kB free_cma:0kB [ 45.051637] lowmem_reserve[]: 0 0 0 0 [ 45.055457] 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 [ 45.069088] Node 0 DMA32: 5*4kB (UME) 6*8kB (UME) 9*16kB (UME) 4*32kB (UME) 5*64kB (UME) 6*128kB (UME) 5*256kB (UM) 5*512kB (UME) 4*1024kB (UME) 5*2048kB (UME) 6*4096kB (M) = 44180kB [ 45.085526] Node 0 Normal: 398*4kB (UM) 361*8kB (UM) 254*16kB (M) 176*32kB (UM) 91*64kB (ME) 33*128kB (UM) 22*256kB (M) 3*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 31392kB [ 45.100751] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 45.109316] 106 total pagecache pages [ 45.113126] 0 pages in swap cache [ 45.116589] Swap cache stats: add 0, delete 0, find 0/0 [ 45.121946] Free swap = 0kB [ 45.124964] Total swap = 0kB [ 45.127993] 1965979 pages RAM [ 45.131097] 0 pages HighMem/MovableOnly [ 45.135069] 327760 pages reserved [ 45.138524] Unreclaimable slab info: [ 45.142237] Name Used Total [ 45.147781] pid_2 1KB 4KB [ 45.153133] hashtab_node 118KB 119KB [ 45.158483] ebitmap_node 382KB 385KB [ 45.163836] avtab_node 1012KB 1013KB [ 45.169193] TIPC 12KB 21KB [ 45.174546] SCTPv6 18KB 20KB [ 45.179901] DCCPv6 21KB 21KB [ 45.185256] DCCP 20KB 20KB [ 45.190617] fib6_nodes 0KB 4KB [ 45.195967] ip6_dst_cache 7KB 7KB [ 45.201317] RAWv6 87KB 91KB [ 45.206666] UDPv6 12KB 14KB [ 45.212024] TCPv6 2KB 5KB [ 45.217441] sd_ext_cdb 0KB 3KB [ 45.222810] scsi_sense_cache 112KB 120KB [ 45.228169] virtio_scsi_cmd 16KB 16KB [ 45.233519] sgpool-128 8KB 8KB [ 45.238864] sgpool-64 4KB 6KB [ 45.244210] sgpool-32 266KB 267KB [ 45.249555] sgpool-16 73KB 75KB [ 45.254901] sgpool-8 236KB 236KB [ 45.260274] cfq_io_cq 17KB 19KB [ 45.265650] cfq_queue 27KB 27KB [ 45.271044] mqueue_inode_cache 12KB 14KB [ 45.276509] nfs_commit_data 3KB 7KB [ 45.281884] nfs_write_data 34KB 37KB [ 45.287258] jbd2_inode 1KB 3KB [ 45.292633] ext4_system_zone 0KB 3KB [ 45.298044] bio-1 1KB 3KB [ 45.303419] pid_namespace 2KB 3KB [ 45.308825] rpc_buffers 17KB 19KB [ 45.314203] rpc_tasks 2KB 3KB [ 45.319580] UNIX 780KB 784KB [ 45.324955] tcp_bind_bucket 1KB 4KB [ 45.330328] ip_fib_trie 0KB 3KB [ 45.335686] ip_fib_alias 0KB 3KB [ 45.341040] ip_dst_cache 4KB 7KB [ 45.346407] RAW 53KB 57KB [ 45.351774] UDP 42KB 46KB [ 45.357128] TCP 28KB 31KB [ 45.362491] hugetlbfs_inode_cache 1KB 7KB [ 45.368212] eventpoll_pwq 10KB 15KB [ 45.373576] eventpoll_epi 18KB 27KB [ 45.378927] inotify_inode_mark 3KB 7KB [ 45.384377] request_queue 36KB 90KB [ 45.389756] blkdev_ioc 23KB 23KB [ 45.395115] bio-0 435KB 435KB [ 45.400489] biovec-(1<<(21-12)) 511KB 511KB [ 45.406039] biovec-64 187KB 189KB [ 45.411417] biovec-16 52KB 52KB [ 45.416784] bio_integrity_payload 0KB 4KB [ 45.422492] khugepaged_mm_slot 0KB 3KB [ 45.427937] uid_cache 0KB 3KB [ 45.433287] dmaengine-unmap-2 0KB 3KB [ 45.438655] audit_buffer 0KB 3KB [ 45.444032] skbuff_fclone_cache 138KB 142KB [ 45.449580] skbuff_head_cache 2350KB 2355KB [ 45.454954] configfs_dir_cache 0KB 4KB [ 45.460407] file_lock_cache 161KB 162KB [ 45.465773] file_lock_ctx 1KB 3KB [ 45.471131] fsnotify_mark_connector 2KB 3KB [ 45.477035] net_namespace 59KB 59KB [ 45.482413] shmem_inode_cache 1054KB 1054KB [ 45.487788] task_delay_info 320KB 336KB [ 45.493161] sigqueue 365KB 370KB [ 45.498536] kernfs_node_cache 3639KB 3642KB [ 45.503947] mnt_cache 67KB 68KB [ 45.509321] filp 8221KB 8707KB [ 45.514692] names_cache 108965KB 109004KB [ 45.520074] avc_node 37KB 43KB [ 45.525449] selinux_file_security 414KB 496KB [ 45.531173] selinux_inode_security 1978KB 1980KB [ 45.536979] key_jar 3KB 7KB [ 45.542358] nsproxy 4KB 7KB [ 45.547743] vm_area_struct 18664KB 18678KB [ 45.553123] mm_struct 4528KB 4531KB [ 45.558501] fs_cache 429KB 432KB [ 45.563878] files_cache 1599KB 1601KB [ 45.569278] signal_cache 2554KB 2558KB [ 45.574657] sighand_cache 252KB 333KB [ 45.580054] task_struct 10890KB 10896KB [ 45.585434] cred_jar 2354KB 2356KB [ 45.590808] anon_vma_chain 7830KB 7839KB [ 45.596188] anon_vma 144KB 315KB [ 45.601581] pid 221KB 240KB [ 45.606962] Acpi-Operand 106KB 170KB [ 45.612343] Acpi-State 0KB 3KB [ 45.617728] Acpi-Namespace 19KB 23KB [ 45.623112] numa_policy 0KB 3KB [ 45.628492] debug_objects_cache 555KB 559KB [ 45.634058] trace_event_file 144KB 147KB [ 45.639439] ftrace_event_field 254KB 255KB [ 45.644907] pool_workqueue 40KB 44KB [ 45.650286] page->ptl 3113KB 3119KB [ 45.655680] kmalloc-262144 1032KB 1032KB [ 45.661059] kmalloc-131072 650KB 650KB [ 45.666436] kmalloc-65536 264KB 264KB [ 45.671810] kmalloc-32768 1353KB 1353KB [ 45.677183] kmalloc-16384 313KB 313KB [ 45.682556] kmalloc-8192 800KB 800KB [ 45.687928] kmalloc-4096 9103KB 9141KB [ 45.693304] kmalloc-2048 4594KB 4596KB [ 45.698712] kmalloc-1024 4354KB 4354KB [ 45.704072] kmalloc-512 3326KB 3326KB [ 45.709421] kmalloc-256 2422KB 2493KB [ 45.714770] kmalloc-128 524KB 531KB [ 45.720116] kmalloc-96 2092KB 2092KB [ 45.725467] kmalloc-64 2560KB 2560KB [ 45.730883] kmalloc-32 2486KB 2492KB [ 45.736233] kmalloc-192 1022KB 1024KB [ 45.741581] kmem_cache 105KB 108KB [ 45.746928] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 45.755512] [ 1818] 0 1818 5385 186 94208 0 -1000 udevd [ 45.763647] [ 3499] 0 3499 30682 249 126976 0 0 rsyslogd [ 45.772034] [ 3549] 0 3549 4725 50 81920 0 0 cron [ 45.780073] [ 3572] 0 3572 3735 44 65536 0 0 mcstransd [ 45.788549] [ 3600] 0 3600 12490 152 143360 0 -1000 sshd [ 45.796590] [ 3624] 0 3624 3694 40 73728 0 0 getty [ 45.804718] [ 3625] 0 3625 3694 42 73728 0 0 getty [ 45.812870] [ 3626] 0 3626 3694 40 77824 0 0 getty [ 45.821039] [ 3627] 0 3627 3694 41 73728 0 0 getty [ 45.829198] [ 3628] 0 3628 3694 39 73728 0 0 getty [ 45.837340] [ 3629] 0 3629 3694 41 73728 0 0 getty [ 45.845491] [ 3630] 0 3630 3649 39 77824 0 0 getty [ 45.853650] [ 3634] 0 3634 5681 455 90112 0 -1000 udevd [ 45.861812] [ 3635] 0 3635 5681 454 90112 0 -1000 udevd [ 45.869971] [ 3652] 0 3652 17821 198 184320 0 0 sshd [ 45.878042] [ 3654] 0 3654 285 1 32768 0 0 syzkaller172790 [ 45.887070] [ 3655] 0 3655 285 11 32768 0 0 syzkaller172790 [ 45.896124] [ 3656] 0 3656 285 11 32768 0 0 syzkaller172790 [ 45.905144] [ 3657] 0 3657 285 11 32768 0 0 syzkaller172790 [ 45.914157] [ 3658] 0 3658 285 11 32768 0 0 syzkaller172790 [ 45.923173] [ 3659] 0 3659 285 11 32768 0 0 syzkaller172790 [ 45.932198] [ 3660] 0 3660 285 11 32768 0 0 syzkaller172790 [ 45.941207] [ 3661] 0 3661 285 11 32768 0 0 syzkaller172790 [ 45.950228] [ 3662] 0 3662 285 11 32768 0 0 syzkaller172790 [ 45.959264] [ 3663] 0 3663 4048 0 32768 0 0 syzkaller172790 [ 45.968301] [ 3664] 0 3664 4048 0 32768 0 0 syzkaller172790 [ 45.977309] [ 3665] 0 3665 4048 0 32768 0 0 syzkaller172790 [ 45.986326] [ 3666] 0 3666 4048 0 32768 0 0 syzkaller172790 [ 45.995356] [ 3667] 0 3667 4048 0 32768 0 0 syzkaller172790 [ 46.004365] [ 3668] 0 3668 4048 523 36864 0 0 syzkaller172790 [ 46.013365] [ 3669] 0 3669 4048 523 36864 0 0 syzkaller172790 [ 46.022384] [ 3670] 0 3670 4048 523 36864 0 0 syzkaller172790 [ 46.031405] Out of memory: Kill process 3668 (syzkaller172790) score 0 or sacrifice child [ 46.039752] Killed process 3668 (syzkaller172790) total-vm:16192kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 46.052944] oom_reaper: reaped process 3668 (syzkaller172790), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 46.109040] rs:main Q:Reg invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 46.120851] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 46.125694] CPU: 1 PID: 3500 Comm: rs:main Q:Reg Not tainted 4.15.0-rc8+ #269 [ 46.132932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.142255] Call Trace: [ 46.144814] dump_stack+0x194/0x257 [ 46.148412] ? arch_local_irq_restore+0x53/0x53 [ 46.153052] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 46.158218] dump_header+0x28c/0xe1e [ 46.161909] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 46.167069] ? pagefault_out_of_memory+0x152/0x152 [ 46.171965] ? check_noncircular+0x20/0x20 [ 46.176177] ? print_irqtrace_events+0x270/0x270 [ 46.180907] ? __lock_acquire+0x664/0x3e00 [ 46.185113] ? check_noncircular+0x20/0x20 [ 46.189322] ? find_held_lock+0x35/0x1d0 [ 46.193357] ? check_noncircular+0x20/0x20 [ 46.197558] ? task_will_free_mem+0x252/0xaa0 [ 46.202043] ? print_irqtrace_events+0x270/0x270 [ 46.206796] ? ___ratelimit+0x30d/0x630 [ 46.210758] ? lock_downgrade+0x980/0x980 [ 46.214897] ? lock_release+0xa40/0xa40 [ 46.218869] ? mark_held_locks+0xaf/0x100 [ 46.223003] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 46.228092] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 46.233085] ? trace_hardirqs_on+0xd/0x10 [ 46.237205] ? ___ratelimit+0x95/0x630 [ 46.241063] ? idr_get_free_cmn+0xfd0/0xfd0 [ 46.245353] ? check_noncircular+0x20/0x20 [ 46.249557] ? find_held_lock+0x138/0x1d0 [ 46.253684] oom_kill_process+0x8b5/0x14a0 [ 46.257894] ? has_ns_capability_noaudit+0x163/0x2a0 [ 46.262965] ? lock_downgrade+0x980/0x980 [ 46.267087] ? oom_evaluate_task+0x480/0x480 [ 46.271478] ? security_capable_noaudit+0x8b/0xc0 [ 46.276292] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 46.281366] ? has_capability+0x30/0x30 [ 46.285308] ? do_raw_spin_trylock+0x190/0x190 [ 46.289859] ? check_noncircular+0x20/0x20 [ 46.294069] ? has_capability_noaudit+0x24/0x30 [ 46.298709] ? oom_badness+0xd1/0x980 [ 46.302479] ? lock_release+0xa40/0xa40 [ 46.306422] ? do_try_to_free_pages+0xc53/0x1020 [ 46.311153] ? find_lock_task_mm+0x460/0x460 [ 46.315535] ? find_held_lock+0x35/0x1d0 [ 46.319573] ? out_of_memory+0xb3a/0x1220 [ 46.323690] ? lock_downgrade+0x980/0x980 [ 46.327814] ? oom_evaluate_task+0xf9/0x480 [ 46.332112] ? oom_evaluate_task+0x284/0x480 [ 46.336492] out_of_memory+0x86d/0x1220 [ 46.340434] ? trace_hardirqs_on+0xd/0x10 [ 46.344559] ? oom_killer_disable+0x310/0x310 [ 46.349025] ? mutex_trylock+0x23a/0x2d0 [ 46.353063] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 46.358485] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 46.364349] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 46.369170] ? trace_hardirqs_on+0xd/0x10 [ 46.373301] ? warn_alloc+0x2b0/0x2b0 [ 46.377074] ? lock_downgrade+0x980/0x980 [ 46.381202] ? radix_tree_lookup_slot+0x99/0xe0 [ 46.385856] ? find_get_entry+0x53c/0x9e0 [ 46.389990] ? __lock_acquire+0x664/0x3e00 [ 46.394221] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 46.400082] ? __might_sleep+0x95/0x190 [ 46.404034] __alloc_pages_nodemask+0x9fb/0xd80 [ 46.408691] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 46.413686] ? add_to_page_cache_lru+0x510/0x510 [ 46.418418] ? check_noncircular+0x20/0x20 [ 46.422622] ? check_noncircular+0x20/0x20 [ 46.426835] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 46.431579] alloc_pages_current+0xb6/0x1e0 [ 46.435873] __page_cache_alloc+0x334/0x500 [ 46.440165] ? rcu_read_lock_held+0xa9/0xc0 [ 46.444460] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 46.451799] filemap_fault+0xefc/0x1c20 [ 46.455744] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 46.460920] ? __lock_page_or_retry+0x4f0/0x4f0 [ 46.465567] ? filemap_map_pages+0x942/0x15d0 [ 46.470046] ? find_get_entries_tag+0xeb0/0xeb0 [ 46.474692] ? check_noncircular+0x20/0x20 [ 46.478902] ? print_irqtrace_events+0x270/0x270 [ 46.483626] ? print_irqtrace_events+0x270/0x270 [ 46.488350] ? print_irqtrace_events+0x270/0x270 [ 46.493082] ? lock_acquire+0x1d5/0x580 [ 46.497036] ? lock_acquire+0x1d5/0x580 [ 46.500978] ? lock_acquire+0x1d5/0x580 [ 46.504926] ? ext4_filemap_fault+0x7a/0xad [ 46.509217] ? __lock_acquire+0x664/0x3e00 [ 46.513423] ? lock_release+0xa40/0xa40 [ 46.517365] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 46.523223] ? rcu_note_context_switch+0x710/0x710 [ 46.528139] ? __might_sleep+0x95/0x190 [ 46.532088] ? down_read+0x96/0x150 [ 46.535681] ? ext4_filemap_fault+0x7a/0xad [ 46.539971] ? __down_interruptible+0x6b0/0x6b0 [ 46.544618] ext4_filemap_fault+0x82/0xad [ 46.548736] __do_fault+0xeb/0x30f [ 46.552247] ? pte_offset_kernel+0xc7/0xc7 [ 46.556455] ? do_raw_spin_trylock+0x190/0x190 [ 46.561020] ? check_noncircular+0x20/0x20 [ 46.565242] __handle_mm_fault+0x1d8f/0x3ce0 [ 46.569624] ? __pmd_alloc+0x4e0/0x4e0 [ 46.573489] ? find_held_lock+0x35/0x1d0 [ 46.577529] ? handle_mm_fault+0x248/0x8d0 [ 46.581736] ? lock_downgrade+0x980/0x980 [ 46.585876] handle_mm_fault+0x334/0x8d0 [ 46.589907] ? down_read_trylock+0xdb/0x170 [ 46.594198] ? __do_page_fault+0x32d/0xc90 [ 46.598403] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 46.602954] ? vmacache_find+0x5f/0x280 [ 46.606900] ? find_vma+0x30/0x150 [ 46.610428] __do_page_fault+0x5c9/0xc90 [ 46.614457] ? kernel_read+0x120/0x120 [ 46.618320] ? mm_fault_error+0x2c0/0x2c0 [ 46.622437] ? avc_policy_seqno+0x9/0x20 [ 46.626467] ? selinux_file_permission+0x82/0x460 [ 46.631282] do_page_fault+0xee/0x720 [ 46.635054] ? __do_page_fault+0xc90/0xc90 [ 46.639256] ? __fdget_raw+0x20/0x20 [ 46.642942] ? vfs_write+0x224/0x510 [ 46.646625] ? fput+0xd2/0x140 [ 46.649788] ? SyS_write+0x184/0x220 [ 46.653472] ? retint_user+0x18/0x18 [ 46.657157] ? page_fault+0x36/0x60 [ 46.660761] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.665586] ? page_fault+0x36/0x60 [ 46.669188] page_fault+0x4c/0x60 [ 46.672615] RIP: 0033:0x7fc378589890 [ 46.676295] RSP: 002b:00007fc3766eedb8 EFLAGS: 00010206 [ 46.681626] RAX: 00007fc37878a0c0 RBX: 00007fc37878b4e8 RCX: 0000000000000039 [ 46.688867] RDX: 0000000000000000 RSI: 00007fc37878b4c0 RDI: 00000000004067dd [ 46.696107] RBP: 00000000004067dd R08: 0000000001d4536a R09: 0000000000000039 [ 46.703346] R10: 0000000000000000 R11: 00007fc3766eee30 R12: 0000000000000007 [ 46.710586] R13: 000000007514dab9 R14: 0000000000000000 R15: 00007fc3766eefb8 [ 46.717946] Mem-Info: [ 46.730175] active_anon:3128 inactive_anon:62 isolated_anon:0 [ 46.730175] active_file:31 inactive_file:0 isolated_file:0 [ 46.730175] unevictable:0 dirty:0 writeback:0 unstable:0 [ 46.730175] slab_reclaimable:7420 slab_unreclaimable:85290 [ 46.730175] mapped:27 shmem:70 pagetables:342 bounce:0 [ 46.730175] free:22876 free_pcp:0 free_cma:0 [ 46.762168] Node 0 active_anon:12512kB inactive_anon:248kB active_file:124kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:108kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 46.792092] 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 [ 46.819124] lowmem_reserve[]: 0 2870 6381 6381 [ 46.824465] Node 0 DMA32 free:43604kB min:30332kB low:37912kB high:45492kB active_anon:4128kB inactive_anon:0kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:8kB bounce:0kB free_pcp:228kB local_pcp:108kB free_cma:0kB [ 46.852806] lowmem_reserve[]: 0 0 3510 3510 [ 46.857166] Node 0 Normal free:23592kB min:37084kB low:46352kB high:55620kB active_anon:8380kB inactive_anon:248kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3360kB pagetables:1356kB bounce:0kB free_pcp:12kB local_pcp:12kB free_cma:0kB [ 46.886323] lowmem_reserve[]: 0 0 0 0 [ 46.891232] 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 [ 46.904873] Node 0 DMA32: 5*4kB (UME) 6*8kB (UME) 9*16kB (UME) 2*32kB (ME) 5*64kB (UME) 6*128kB (UME) 5*256kB (UM) 4*512kB (ME) 4*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43604kB [ 46.921172] Node 0 Normal: 314*4kB (M) 290*8kB (UME) 207*16kB (UME) 148*32kB (UME) 77*64kB (UM) 25*128kB (UM) 15*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 23592kB [ 46.936462] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 46.945049] 105 total pagecache pages [ 46.948857] 0 pages in swap cache [ 46.952331] Swap cache stats: add 0, delete 0, find 0/0 [ 46.957707] Free swap = 0kB [ 46.960735] Total swap = 0kB [ 46.963757] 1965979 pages RAM [ 46.966871] 0 pages HighMem/MovableOnly [ 46.970853] 327760 pages reserved [ 46.974301] Unreclaimable slab info: [ 46.978031] Name Used Total [ 46.983600] pid_2 1KB 4KB [ 46.988960] hashtab_node 118KB 119KB [ 46.994328] ebitmap_node 382KB 385KB [ 46.999709] avtab_node 1012KB 1013KB [ 47.005070] TIPC 12KB 21KB [ 47.010440] SCTPv6 18KB 20KB [ 47.015820] DCCPv6 21KB 21KB [ 47.021181] DCCP 20KB 20KB [ 47.026568] fib6_nodes 0KB 4KB [ 47.031940] ip6_dst_cache 7KB 7KB [ 47.037298] RAWv6 87KB 91KB [ 47.042653] UDPv6 12KB 14KB [ 47.048038] TCPv6 2KB 5KB [ 47.053414] sd_ext_cdb 0KB 3KB [ 47.058768] scsi_sense_cache 112KB 120KB [ 47.064121] virtio_scsi_cmd 16KB 16KB [ 47.069476] sgpool-128 8KB 8KB [ 47.074829] sgpool-64 4KB 6KB [ 47.080185] sgpool-32 266KB 267KB [ 47.085541] sgpool-16 73KB 75KB [ 47.090894] sgpool-8 243KB 243KB [ 47.096247] cfq_io_cq 17KB 19KB [ 47.101604] cfq_queue 27KB 27KB [ 47.106957] mqueue_inode_cache 12KB 14KB [ 47.112399] nfs_commit_data 3KB 7KB [ 47.117756] nfs_write_data 34KB 37KB [ 47.123111] jbd2_inode 1KB 3KB [ 47.128466] ext4_system_zone 0KB 3KB [ 47.133826] bio-1 1KB 3KB [ 47.139182] pid_namespace 2KB 3KB [ 47.144542] rpc_buffers 17KB 19KB [ 47.149917] rpc_tasks 2KB 3KB [ 47.155277] UNIX 780KB 784KB [ 47.160651] tcp_bind_bucket 1KB 4KB [ 47.166048] ip_fib_trie 0KB 3KB [ 47.171421] ip_fib_alias 0KB 3KB [ 47.176791] ip_dst_cache 4KB 7KB [ 47.182153] RAW 53KB 57KB [ 47.187520] UDP 42KB 46KB [ 47.192897] TCP 28KB 31KB [ 47.198279] hugetlbfs_inode_cache 1KB 7KB [ 47.204005] eventpoll_pwq 10KB 15KB [ 47.209391] eventpoll_epi 18KB 27KB [ 47.214765] inotify_inode_mark 3KB 7KB [ 47.220232] request_queue 36KB 90KB [ 47.225599] blkdev_ioc 23KB 23KB [ 47.230954] bio-0 435KB 435KB [ 47.236321] biovec-(1<<(21-12)) 511KB 511KB [ 47.241877] biovec-64 187KB 189KB [ 47.247237] biovec-16 52KB 52KB [ 47.252594] bio_integrity_payload 0KB 4KB [ 47.258312] khugepaged_mm_slot 0KB 3KB [ 47.263779] uid_cache 0KB 3KB [ 47.269156] dmaengine-unmap-2 0KB 3KB [ 47.274536] audit_buffer 0KB 3KB [ 47.279915] skbuff_fclone_cache 138KB 142KB [ 47.285456] skbuff_head_cache 2350KB 2355KB [ 47.290836] configfs_dir_cache 0KB 4KB [ 47.296282] file_lock_cache 161KB 162KB [ 47.301650] file_lock_ctx 1KB 3KB [ 47.307030] fsnotify_mark_connector 2KB 3KB [ 47.312926] net_namespace 59KB 59KB [ 47.318303] shmem_inode_cache 1054KB 1054KB [ 47.323680] task_delay_info 320KB 336KB [ 47.329057] sigqueue 365KB 370KB [ 47.334433] kernfs_node_cache 3639KB 3642KB [ 47.339813] mnt_cache 67KB 68KB [ 47.345187] filp 8221KB 8707KB [ 47.350578] names_cache 108965KB 109004KB [ 47.355956] avc_node 37KB 43KB [ 47.361332] selinux_file_security 414KB 496KB [ 47.367055] selinux_inode_security 1978KB 1980KB [ 47.372865] key_jar 3KB 7KB [ 47.378241] nsproxy 4KB 7KB [ 47.383619] vm_area_struct 18664KB 18678KB [ 47.389045] mm_struct 4528KB 4531KB [ 47.394425] fs_cache 429KB 432KB [ 47.399815] files_cache 1599KB 1601KB [ 47.405175] signal_cache 2554KB 2558KB [ 47.410542] sighand_cache 252KB 333KB [ 47.415924] task_struct 10890KB 10896KB [ 47.421297] cred_jar 2354KB 2356KB [ 47.426672] anon_vma_chain 7830KB 7839KB [ 47.432043] anon_vma 144KB 315KB [ 47.437422] pid 221KB 240KB [ 47.442801] Acpi-Operand 106KB 170KB [ 47.448163] Acpi-State 0KB 3KB [ 47.453535] Acpi-Namespace 19KB 23KB [ 47.458936] numa_policy 0KB 3KB [ 47.464295] debug_objects_cache 555KB 559KB [ 47.469847] trace_event_file 144KB 147KB [ 47.475206] ftrace_event_field 254KB 255KB [ 47.480664] pool_workqueue 40KB 44KB [ 47.486040] page->ptl 3113KB 3119KB [ 47.491436] kmalloc-262144 1032KB 1032KB [ 47.496808] kmalloc-131072 650KB 650KB [ 47.502181] kmalloc-65536 264KB 264KB [ 47.507566] kmalloc-32768 1353KB 1353KB [ 47.512939] kmalloc-16384 313KB 313KB [ 47.518317] kmalloc-8192 800KB 800KB [ 47.523692] kmalloc-4096 9103KB 9141KB [ 47.529066] kmalloc-2048 4594KB 4596KB [ 47.534441] kmalloc-1024 4370KB 4370KB [ 47.539819] kmalloc-512 3326KB 3326KB [ 47.545190] kmalloc-256 2422KB 2493KB [ 47.550564] kmalloc-128 524KB 531KB [ 47.555934] kmalloc-96 2092KB 2092KB [ 47.561310] kmalloc-64 2560KB 2560KB [ 47.566699] kmalloc-32 2486KB 2492KB [ 47.572075] kmalloc-192 1022KB 1024KB [ 47.577443] kmem_cache 105KB 108KB [ 47.582817] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 47.591430] [ 1818] 0 1818 5385 186 94208 0 -1000 udevd [ 47.599603] [ 3499] 0 3499 30682 249 126976 0 0 rsyslogd [ 47.608038] [ 3549] 0 3549 4725 50 81920 0 0 cron [ 47.616130] [ 3572] 0 3572 3735 44 65536 0 0 mcstransd [ 47.624638] [ 3600] 0 3600 12490 152 143360 0 -1000 sshd [ 47.632710] [ 3624] 0 3624 3694 40 73728 0 0 getty [ 47.640868] [ 3625] 0 3625 3694 42 73728 0 0 getty [ 47.649044] [ 3626] 0 3626 3694 40 77824 0 0 getty [ 47.657186] [ 3627] 0 3627 3694 41 73728 0 0 getty [ 47.665340] [ 3628] 0 3628 3694 39 73728 0 0 getty [ 47.673504] [ 3629] 0 3629 3694 41 73728 0 0 getty [ 47.681679] [ 3630] 0 3630 3649 39 77824 0 0 getty [ 47.689842] [ 3634] 0 3634 5681 455 90112 0 -1000 udevd [ 47.698007] [ 3635] 0 3635 5681 454 90112 0 -1000 udevd [ 47.706178] [ 3652] 0 3652 17821 198 184320 0 0 sshd [ 47.714317] [ 3654] 0 3654 285 1 32768 0 0 syzkaller172790 [ 47.723353] [ 3655] 0 3655 285 11 32768 0 0 syzkaller172790 [ 47.732390] [ 3656] 0 3656 285 11 32768 0 0 syzkaller172790 [ 47.741418] [ 3657] 0 3657 285 11 32768 0 0 syzkaller172790 [ 47.750447] [ 3658] 0 3658 285 11 32768 0 0 syzkaller172790 [ 47.759474] [ 3659] 0 3659 285 11 32768 0 0 syzkaller172790 [ 47.768502] [ 3660] 0 3660 285 11 32768 0 0 syzkaller172790 [ 47.777584] [ 3661] 0 3661 285 11 32768 0 0 syzkaller172790 [ 47.786618] [ 3662] 0 3662 285 11 32768 0 0 syzkaller172790 [ 47.795652] [ 3663] 0 3663 4048 0 32768 0 0 syzkaller172790 [ 47.804683] [ 3664] 0 3664 4048 0 32768 0 0 syzkaller172790 [ 47.813692] [ 3665] 0 3665 4048 0 32768 0 0 syzkaller172790 [ 47.822713] [ 3666] 0 3666 4048 0 32768 0 0 syzkaller172790 [ 47.831742] [ 3667] 0 3667 4048 0 32768 0 0 syzkaller172790 [ 47.840770] [ 3668] 0 3668 4048 0 32768 0 0 syzkaller172790 [ 47.849778] [ 3669] 0 3669 4048 523 36864 0 0 syzkaller172790 [ 47.858801] [ 3670] 0 3670 4048 523 36864 0 0 syzkaller172790 [ 47.867832] Out of memory: Kill process 3669 (syzkaller172790) score 0 or sacrifice child [ 47.876193] Killed process 3669 (syzkaller172790) total-vm:16192kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 47.888551] oom_reaper: reaped process 3669 (syzkaller172790), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 47.924077] rs:main Q:Reg invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 47.935986] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 47.940886] CPU: 0 PID: 3500 Comm: rs:main Q:Reg Not tainted 4.15.0-rc8+ #269 [ 47.948136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.957463] Call Trace: [ 47.960030] dump_stack+0x194/0x257 [ 47.963635] ? arch_local_irq_restore+0x53/0x53 [ 47.968281] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 47.973450] dump_header+0x28c/0xe1e [ 47.977146] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 47.982312] ? pagefault_out_of_memory+0x152/0x152 [ 47.987214] ? check_noncircular+0x20/0x20 [ 47.991423] ? print_irqtrace_events+0x270/0x270 [ 47.996155] ? __lock_acquire+0x664/0x3e00 [ 48.000360] ? _raw_spin_unlock_irq+0x27/0x70 [ 48.004832] ? check_noncircular+0x20/0x20 [ 48.009048] ? find_held_lock+0x35/0x1d0 [ 48.013088] ? check_noncircular+0x20/0x20 [ 48.017292] ? task_will_free_mem+0x252/0xaa0 [ 48.021766] ? print_irqtrace_events+0x270/0x270 [ 48.026501] ? ___ratelimit+0x30d/0x630 [ 48.030451] ? lock_downgrade+0x980/0x980 [ 48.034576] ? lock_release+0xa40/0xa40 [ 48.038530] ? mark_held_locks+0xaf/0x100 [ 48.042651] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 48.047727] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 48.052718] ? trace_hardirqs_on+0xd/0x10 [ 48.056841] ? ___ratelimit+0x95/0x630 [ 48.060703] ? idr_get_free_cmn+0xfd0/0xfd0 [ 48.064996] ? check_noncircular+0x20/0x20 [ 48.069203] ? find_held_lock+0x138/0x1d0 [ 48.073332] oom_kill_process+0x8b5/0x14a0 [ 48.077547] ? has_ns_capability_noaudit+0x163/0x2a0 [ 48.082623] ? lock_downgrade+0x980/0x980 [ 48.086748] ? oom_evaluate_task+0x480/0x480 [ 48.091141] ? security_capable_noaudit+0x8b/0xc0 [ 48.095960] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 48.101037] ? has_capability+0x30/0x30 [ 48.104985] ? do_raw_spin_trylock+0x190/0x190 [ 48.109549] ? check_noncircular+0x20/0x20 [ 48.113763] ? has_capability_noaudit+0x24/0x30 [ 48.118403] ? oom_badness+0xd1/0x980 [ 48.122173] ? lock_release+0xa40/0xa40 [ 48.126121] ? find_lock_task_mm+0x460/0x460 [ 48.130509] ? find_held_lock+0x35/0x1d0 [ 48.134553] ? out_of_memory+0xb3a/0x1220 [ 48.138674] ? lock_downgrade+0x980/0x980 [ 48.142799] ? lock_release+0xa40/0xa40 [ 48.146742] ? lock_acquire+0x1d5/0x580 [ 48.150689] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 48.155598] ? oom_evaluate_task+0x284/0x480 [ 48.159982] out_of_memory+0x86d/0x1220 [ 48.163928] ? find_next_bit+0x27/0x30 [ 48.167795] ? oom_killer_disable+0x310/0x310 [ 48.172264] ? mutex_trylock+0x23a/0x2d0 [ 48.176300] ? __lock_is_held+0xb6/0x140 [ 48.180337] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 48.185770] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 48.190599] ? trace_hardirqs_on+0xd/0x10 [ 48.194737] ? warn_alloc+0x2b0/0x2b0 [ 48.198510] ? lock_downgrade+0x980/0x980 [ 48.202643] ? __lock_is_held+0xb6/0x140 [ 48.206691] ? find_get_entry+0x53c/0x9e0 [ 48.210845] ? __lock_acquire+0x664/0x3e00 [ 48.215069] ? __lock_is_held+0xb6/0x140 [ 48.219118] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 48.224984] ? __might_sleep+0x95/0x190 [ 48.228935] __alloc_pages_nodemask+0x9fb/0xd80 [ 48.233582] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 48.238570] ? add_to_page_cache_lru+0x510/0x510 [ 48.243303] ? check_noncircular+0x20/0x20 [ 48.247512] ? check_noncircular+0x20/0x20 [ 48.251728] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 48.256495] alloc_pages_current+0xb6/0x1e0 [ 48.260798] __page_cache_alloc+0x334/0x500 [ 48.265095] ? rcu_read_lock_held+0xa9/0xc0 [ 48.269394] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 48.276738] filemap_fault+0xefc/0x1c20 [ 48.280683] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.285858] ? __lock_page_or_retry+0x4f0/0x4f0 [ 48.290513] ? filemap_map_pages+0x942/0x15d0 [ 48.294993] ? find_get_entries_tag+0xeb0/0xeb0 [ 48.299646] ? check_noncircular+0x20/0x20 [ 48.303861] ? print_irqtrace_events+0x270/0x270 [ 48.308589] ? print_irqtrace_events+0x270/0x270 [ 48.313326] ? lock_acquire+0x1d5/0x580 [ 48.317281] ? lock_acquire+0x1d5/0x580 [ 48.321225] ? lock_acquire+0x1d5/0x580 [ 48.325176] ? ext4_filemap_fault+0x7a/0xad [ 48.329470] ? __lock_acquire+0x664/0x3e00 [ 48.333681] ? lock_release+0xa40/0xa40 [ 48.337626] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 48.343485] ? rcu_note_context_switch+0x710/0x710 [ 48.348397] ? __might_sleep+0x95/0x190 [ 48.352348] ? down_read+0x96/0x150 [ 48.355946] ? ext4_filemap_fault+0x7a/0xad [ 48.360238] ? __down_interruptible+0x6b0/0x6b0 [ 48.364891] ext4_filemap_fault+0x82/0xad [ 48.369016] __do_fault+0xeb/0x30f [ 48.372536] ? pte_offset_kernel+0xc7/0xc7 [ 48.376749] ? do_raw_spin_trylock+0x190/0x190 [ 48.381308] ? check_noncircular+0x20/0x20 [ 48.385524] __handle_mm_fault+0x1d8f/0x3ce0 [ 48.389910] ? __pmd_alloc+0x4e0/0x4e0 [ 48.393776] ? find_held_lock+0x35/0x1d0 [ 48.397820] ? handle_mm_fault+0x248/0x8d0 [ 48.402031] ? lock_downgrade+0x980/0x980 [ 48.406179] handle_mm_fault+0x334/0x8d0 [ 48.410213] ? down_read_trylock+0xdb/0x170 [ 48.414507] ? __do_page_fault+0x32d/0xc90 [ 48.418714] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 48.423268] ? vmacache_find+0x5f/0x280 [ 48.427220] ? find_vma+0x30/0x150 [ 48.430739] __do_page_fault+0x5c9/0xc90 [ 48.434771] ? kernel_read+0x120/0x120 [ 48.438638] ? mm_fault_error+0x2c0/0x2c0 [ 48.442759] ? avc_policy_seqno+0x9/0x20 [ 48.446792] ? selinux_file_permission+0x82/0x460 [ 48.451616] do_page_fault+0xee/0x720 [ 48.455391] ? __do_page_fault+0xc90/0xc90 [ 48.459599] ? __fdget_raw+0x20/0x20 [ 48.463289] ? vfs_write+0x224/0x510 [ 48.466976] ? fput+0xd2/0x140 [ 48.470143] ? SyS_write+0x184/0x220 [ 48.473830] ? retint_user+0x18/0x18 [ 48.477517] ? page_fault+0x36/0x60 [ 48.481119] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.485936] ? page_fault+0x36/0x60 [ 48.489539] page_fault+0x4c/0x60 [ 48.492966] RIP: 0033:0x7fc378589890 [ 48.496648] RSP: 002b:00007fc3766eedb8 EFLAGS: 00010206 [ 48.501982] RAX: 00007fc37878a0c0 RBX: 00007fc37878b4e8 RCX: 0000000000000039 [ 48.509225] RDX: 0000000000000000 RSI: 00007fc37878b4c0 RDI: 00000000004067dd [ 48.516470] RBP: 00000000004067dd R08: 0000000001d4536a R09: 0000000000000039 [ 48.524087] R10: 0000000000000000 R11: 00007fc3766eee30 R12: 0000000000000007 [ 48.531332] R13: 000000007514dab9 R14: 0000000000000000 R15: 00007fc3766eefb8 [ 48.538704] Mem-Info: [ 48.542007] active_anon:2610 inactive_anon:62 isolated_anon:0 [ 48.542007] active_file:37 inactive_file:11 isolated_file:0 [ 48.542007] unevictable:0 dirty:0 writeback:0 unstable:0 [ 48.542007] slab_reclaimable:7424 slab_unreclaimable:85272 [ 48.542007] mapped:0 shmem:70 pagetables:340 bounce:0 [ 48.542007] free:17935 free_pcp:0 free_cma:0 [ 48.575279] Node 0 active_anon:10440kB inactive_anon:248kB active_file:84kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 48.602131] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 48.628280] lowmem_reserve[]: 0 2870 6381 6381 [ 48.632901] Node 0 DMA32 free:37940kB min:30332kB low:37912kB high:45492kB active_anon:2080kB inactive_anon:0kB active_file:16kB inactive_file:100kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 48.660593] lowmem_reserve[]: 0 0 3510 3510 [ 48.664930] Node 0 Normal free:17948kB min:37084kB low:46352kB high:55620kB active_anon:8360kB inactive_anon:248kB active_file:0kB inactive_file:136kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3360kB pagetables:1356kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 48.693314] lowmem_reserve[]: 0 0 0 0 [ 48.697134] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 48.710760] Node 0 DMA32: 5*4kB (UME) 7*8kB (UME) 11*16kB (UME) 2*32kB (ME) 4*64kB (ME) 6*128kB (UME) 5*256kB (UM) 5*512kB (UME) 4*1024kB (UME) 4*2048kB (ME) 5*4096kB (M) = 37948kB [ 48.727040] Node 0 Normal: 277*4kB (UME) 257*8kB (UME) 178*16kB (UME) 113*32kB (UME) 60*64kB (M) 17*128kB (M) 9*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17948kB [ 48.742298] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 48.750880] 105 total pagecache pages [ 48.754696] 0 pages in swap cache [ 48.758155] Swap cache stats: add 0, delete 0, find 0/0 [ 48.763529] Free swap = 0kB [ 48.766551] Total swap = 0kB [ 48.769578] 1965979 pages RAM [ 48.772686] 0 pages HighMem/MovableOnly [ 48.776668] 327760 pages reserved [ 48.780131] Unreclaimable slab info: [ 48.783853] Name Used Total [ 48.789396] pid_2 1KB 4KB [ 48.794765] hashtab_node 118KB 119KB [ 48.800140] ebitmap_node 382KB 385KB [ 48.805521] avtab_node 1012KB 1013KB [ 48.810889] TIPC 12KB 21KB [ 48.816260] SCTPv6 18KB 20KB [ 48.821649] DCCPv6 21KB 21KB [ 48.827043] DCCP 20KB 20KB [ 48.832441] fib6_nodes 0KB 4KB [ 48.837802] ip6_dst_cache 7KB 7KB [ 48.843175] RAWv6 87KB 91KB [ 48.848554] UDPv6 12KB 14KB [ 48.853916] TCPv6 2KB 5KB [ 48.859300] sd_ext_cdb 0KB 3KB [ 48.864679] scsi_sense_cache 112KB 120KB [ 48.870046] virtio_scsi_cmd 16KB 16KB [ 48.875401] sgpool-128 8KB 8KB [ 48.880770] sgpool-64 4KB 6KB [ 48.886149] sgpool-32 261KB 267KB [ 48.891522] sgpool-16 73KB 75KB [ 48.896897] sgpool-8 243KB 243KB [ 48.902275] cfq_io_cq 16KB 19KB [ 48.907653] cfq_queue 26KB 27KB [ 48.913046] mqueue_inode_cache 12KB 14KB [ 48.918516] nfs_commit_data 3KB 7KB [ 48.923891] nfs_write_data 34KB 37KB [ 48.929353] jbd2_inode 1KB 3KB [ 48.934743] ext4_system_zone 0KB 3KB [ 48.940128] bio-1 1KB 3KB [ 48.945513] pid_namespace 2KB 3KB [ 48.950904] rpc_buffers 17KB 19KB [ 48.956282] rpc_tasks 2KB 3KB [ 48.961658] UNIX 780KB 784KB [ 48.967035] tcp_bind_bucket 1KB 4KB [ 48.972422] ip_fib_trie 0KB 3KB [ 48.977798] ip_fib_alias 0KB 3KB [ 48.983176] ip_dst_cache 4KB 7KB [ 48.988562] RAW 51KB 57KB [ 48.993932] UDP 42KB 46KB [ 48.999303] TCP 28KB 31KB [ 49.004662] hugetlbfs_inode_cache 1KB 7KB [ 49.010362] eventpoll_pwq 10KB 15KB [ 49.015734] eventpoll_epi 18KB 27KB [ 49.021111] inotify_inode_mark 3KB 7KB [ 49.026573] request_queue 33KB 67KB [ 49.031950] blkdev_ioc 22KB 23KB [ 49.037323] bio-0 438KB 438KB [ 49.042695] biovec-(1<<(21-12)) 511KB 511KB [ 49.048247] biovec-64 196KB 196KB [ 49.053623] biovec-16 56KB 56KB [ 49.058997] bio_integrity_payload 0KB 4KB [ 49.064723] khugepaged_mm_slot 0KB 3KB [ 49.070192] uid_cache 0KB 3KB [ 49.075569] dmaengine-unmap-2 0KB 3KB [ 49.080946] audit_buffer 0KB 3KB [ 49.086321] skbuff_fclone_cache 138KB 142KB [ 49.091854] skbuff_head_cache 2350KB 2355KB [ 49.097221] configfs_dir_cache 0KB 4KB [ 49.102683] file_lock_cache 161KB 162KB [ 49.108061] file_lock_ctx 1KB 3KB [ 49.113436] fsnotify_mark_connector 2KB 3KB [ 49.119356] net_namespace 59KB 59KB [ 49.124786] shmem_inode_cache 1054KB 1054KB [ 49.130170] task_delay_info 320KB 336KB [ 49.135548] sigqueue 365KB 370KB [ 49.140925] kernfs_node_cache 3639KB 3642KB [ 49.146305] mnt_cache 67KB 68KB [ 49.151685] filp 8180KB 8688KB [ 49.157063] names_cache 108948KB 108987KB [ 49.162451] avc_node 37KB 43KB [ 49.167828] selinux_file_security 410KB 496KB [ 49.173547] selinux_inode_security 1977KB 1980KB [ 49.179356] key_jar 3KB 7KB [ 49.184747] nsproxy 4KB 7KB [ 49.190122] vm_area_struct 18662KB 18678KB [ 49.195499] mm_struct 4528KB 4531KB [ 49.200878] fs_cache 427KB 432KB [ 49.206236] files_cache 1599KB 1601KB [ 49.211608] signal_cache 2553KB 2558KB [ 49.216972] sighand_cache 240KB 333KB [ 49.222342] task_struct 10890KB 10890KB [ 49.227704] cred_jar 2353KB 2356KB [ 49.233070] anon_vma_chain 7828KB 7839KB [ 49.238454] anon_vma 138KB 315KB [ 49.243827] pid 221KB 240KB [ 49.249201] Acpi-Operand 106KB 170KB [ 49.254580] Acpi-Namespace 19KB 23KB [ 49.259954] numa_policy 0KB 3KB [ 49.265327] debug_objects_cache 554KB 559KB [ 49.270876] trace_event_file 144KB 147KB [ 49.276240] ftrace_event_field 254KB 255KB [ 49.281695] pool_workqueue 40KB 44KB [ 49.287074] page->ptl 3112KB 3119KB [ 49.292486] kmalloc-262144 1032KB 1032KB [ 49.297861] kmalloc-131072 650KB 650KB [ 49.303240] kmalloc-65536 264KB 264KB [ 49.308621] kmalloc-32768 1353KB 1353KB [ 49.313997] kmalloc-16384 313KB 313KB [ 49.319376] kmalloc-8192 800KB 800KB [ 49.324751] kmalloc-4096 9086KB 9124KB [ 49.330122] kmalloc-2048 4594KB 4596KB [ 49.335498] kmalloc-1024 4378KB 4378KB [ 49.340876] kmalloc-512 3326KB 3326KB [ 49.346259] kmalloc-256 2401KB 2482KB [ 49.351638] kmalloc-128 524KB 531KB [ 49.357037] kmalloc-96 2100KB 2100KB [ 49.362410] kmalloc-64 2568KB 2568KB [ 49.367786] kmalloc-32 2485KB 2492KB [ 49.373162] kmalloc-192 1028KB 1028KB [ 49.378542] kmem_cache 105KB 108KB [ 49.383915] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 49.392530] [ 1818] 0 1818 5385 186 94208 0 -1000 udevd [ 49.400706] [ 3499] 0 3499 30682 249 126976 0 0 rsyslogd [ 49.409139] [ 3549] 0 3549 4725 50 81920 0 0 cron [ 49.417195] [ 3572] 0 3572 3735 44 65536 0 0 mcstransd [ 49.425693] [ 3600] 0 3600 12490 152 143360 0 -1000 sshd [ 49.433767] [ 3624] 0 3624 3694 40 73728 0 0 getty [ 49.441925] [ 3625] 0 3625 3694 42 73728 0 0 getty [ 49.450090] [ 3626] 0 3626 3694 40 77824 0 0 getty [ 49.458236] [ 3627] 0 3627 3694 41 73728 0 0 getty [ 49.466390] [ 3628] 0 3628 3694 39 73728 0 0 getty [ 49.474554] [ 3629] 0 3629 3694 41 73728 0 0 getty [ 49.482716] [ 3630] 0 3630 3649 39 77824 0 0 getty [ 49.490874] [ 3634] 0 3634 5681 455 90112 0 -1000 udevd [ 49.499052] [ 3635] 0 3635 5681 454 90112 0 -1000 udevd [ 49.507209] [ 3652] 0 3652 17821 198 184320 0 0 sshd [ 49.515275] [ 3654] 0 3654 285 1 32768 0 0 syzkaller172790 [ 49.524288] [ 3655] 0 3655 285 11 32768 0 0 syzkaller172790 [ 49.533308] [ 3656] 0 3656 285 11 32768 0 0 syzkaller172790 [ 49.542348] [ 3657] 0 3657 285 11 32768 0 0 syzkaller172790 [ 49.551377] [ 3658] 0 3658 285 11 32768 0 0 syzkaller172790 [ 49.560405] [ 3659] 0 3659 285 11 32768 0 0 syzkaller172790 [ 49.569440] [ 3660] 0 3660 285 11 32768 0 0 syzkaller172790 [ 49.578471] [ 3661] 0 3661 285 11 32768 0 0 syzkaller172790 [ 49.587498] [ 3662] 0 3662 285 11 32768 0 0 syzkaller172790 [ 49.596529] [ 3663] 0 3663 4048 0 32768 0 0 syzkaller172790 [ 49.605557] [ 3664] 0 3664 4048 0 32768 0 0 syzkaller172790 [ 49.614593] [ 3665] 0 3665 4048 0 32768 0 0 syzkaller172790 [ 49.623624] [ 3666] 0 3666 4048 0 32768 0 0 syzkaller172790 [ 49.632654] [ 3667] 0 3667 4048 0 32768 0 0 syzkaller172790 [ 49.641662] [ 3668] 0 3668 4048 0 32768 0 0 syzkaller172790 [ 49.650680] [ 3669] 0 3669 4048 0 32768 0 0 syzkaller172790 [ 49.659713] [ 3670] 0 3670 4048 523 36864 0 0 syzkaller172790 [ 49.668719] Out of memory: Kill process 3670 (syzkaller172790) score 0 or sacrifice child [ 49.677056] Killed process 3670 (syzkaller172790) total-vm:16192kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 49.689645] oom_reaper: reaped process 3670 (syzkaller172790), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 49.702740] rs:main Q:Reg invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 49.714553] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 49.719429] CPU: 0 PID: 3500 Comm: rs:main Q:Reg Not tainted 4.15.0-rc8+ #269 [ 49.726684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.736029] Call Trace: [ 49.738610] dump_stack+0x194/0x257 [ 49.742230] ? arch_local_irq_restore+0x53/0x53 [ 49.746894] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 49.752087] dump_header+0x28c/0xe1e [ 49.755274] syzkaller172790: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 49.755309] syzkaller172790 cpuset=/ mems_allowed=0 [ 49.771758] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 49.776934] ? pagefault_out_of_memory+0x152/0x152 [ 49.781843] ? check_noncircular+0x20/0x20 [ 49.786060] ? print_irqtrace_events+0x270/0x270 [ 49.790799] ? __lock_acquire+0x664/0x3e00 [ 49.795021] ? check_noncircular+0x20/0x20 [ 49.799245] ? print_irqtrace_events+0x270/0x270 [ 49.803990] ? check_noncircular+0x20/0x20 [ 49.808206] ? task_will_free_mem+0x252/0xaa0 [ 49.812690] ? print_irqtrace_events+0x270/0x270 [ 49.817438] ? ___ratelimit+0x30d/0x630 [ 49.821392] ? lock_downgrade+0x980/0x980 [ 49.825531] ? lock_release+0xa40/0xa40 [ 49.829491] ? mark_held_locks+0xaf/0x100 [ 49.833618] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 49.838703] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.843703] ? trace_hardirqs_on+0xd/0x10 [ 49.847837] ? ___ratelimit+0x95/0x630 [ 49.851707] ? idr_get_free_cmn+0xfd0/0xfd0 [ 49.856011] ? check_noncircular+0x20/0x20 [ 49.860224] ? find_held_lock+0x138/0x1d0 [ 49.864362] oom_kill_process+0x8b5/0x14a0 [ 49.868582] ? has_ns_capability_noaudit+0x163/0x2a0 [ 49.873667] ? check_noncircular+0x20/0x20 [ 49.877888] ? oom_evaluate_task+0x480/0x480 [ 49.882292] ? security_capable_noaudit+0x8b/0xc0 [ 49.887123] ? find_held_lock+0x35/0x1d0 [ 49.891169] ? check_noncircular+0x20/0x20 [ 49.895388] ? oom_unkillable_task+0x394/0x4c0 [ 49.899957] ? lock_downgrade+0x980/0x980 [ 49.904089] ? lock_release+0xa40/0xa40 [ 49.908040] ? do_try_to_free_pages+0xc53/0x1020 [ 49.912780] ? find_lock_task_mm+0x460/0x460 [ 49.917178] ? find_held_lock+0x35/0x1d0 [ 49.921228] ? out_of_memory+0xb3a/0x1220 [ 49.925359] ? lock_downgrade+0x980/0x980 [ 49.929490] ? lock_release+0xa40/0xa40 [ 49.933443] ? lock_acquire+0x1d5/0x580 [ 49.937398] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 49.942317] ? oom_evaluate_task+0x284/0x480 [ 49.946711] out_of_memory+0x86d/0x1220 [ 49.950676] ? oom_killer_disable+0x310/0x310 [ 49.955148] ? mutex_trylock+0x23a/0x2d0 [ 49.959193] ? __lock_is_held+0xb6/0x140 [ 49.963238] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 49.968686] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 49.973519] ? trace_hardirqs_on+0xd/0x10 [ 49.977671] ? warn_alloc+0x2b0/0x2b0 [ 49.981450] ? lock_downgrade+0x980/0x980 [ 49.985590] ? __lock_is_held+0xb6/0x140 [ 49.989653] ? find_get_entry+0x53c/0x9e0 [ 49.993810] ? __lock_acquire+0x664/0x3e00 [ 49.998043] ? __lock_is_held+0xb6/0x140 [ 50.002104] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 50.007986] ? __might_sleep+0x95/0x190 [ 50.011945] __alloc_pages_nodemask+0x9fb/0xd80 [ 50.016605] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 50.021603] ? add_to_page_cache_lru+0x510/0x510 [ 50.026349] ? check_noncircular+0x20/0x20 [ 50.030561] ? check_noncircular+0x20/0x20 [ 50.034786] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 50.039550] alloc_pages_current+0xb6/0x1e0 [ 50.043861] __page_cache_alloc+0x334/0x500 [ 50.048166] ? rcu_read_lock_held+0xa9/0xc0 [ 50.052475] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 50.059830] filemap_fault+0xefc/0x1c20 [ 50.063786] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.068973] ? __lock_page_or_retry+0x4f0/0x4f0 [ 50.073772] ? filemap_map_pages+0x942/0x15d0 [ 50.078264] ? find_get_entries_tag+0xeb0/0xeb0 [ 50.082923] ? check_noncircular+0x20/0x20 [ 50.087145] ? print_irqtrace_events+0x270/0x270 [ 50.091882] ? print_irqtrace_events+0x270/0x270 [ 50.096630] ? lock_acquire+0x1d5/0x580 [ 50.100591] ? lock_acquire+0x1d5/0x580 [ 50.104540] ? lock_acquire+0x1d5/0x580 [ 50.108493] ? ext4_filemap_fault+0x7a/0xad [ 50.112795] ? __lock_acquire+0x664/0x3e00 [ 50.117014] ? lock_release+0xa40/0xa40 [ 50.120969] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 50.126841] ? rcu_note_context_switch+0x710/0x710 [ 50.131757] ? __might_sleep+0x95/0x190 [ 50.135720] ? down_read+0x96/0x150 [ 50.139324] ? ext4_filemap_fault+0x7a/0xad [ 50.143625] ? __down_interruptible+0x6b0/0x6b0 [ 50.148299] ext4_filemap_fault+0x82/0xad [ 50.152430] __do_fault+0xeb/0x30f [ 50.155956] ? pte_offset_kernel+0xc7/0xc7 [ 50.160176] ? do_raw_spin_trylock+0x190/0x190 [ 50.164748] ? check_noncircular+0x20/0x20 [ 50.168971] __handle_mm_fault+0x1d8f/0x3ce0 [ 50.173366] ? __pmd_alloc+0x4e0/0x4e0 [ 50.177246] ? find_held_lock+0x35/0x1d0 [ 50.181297] ? handle_mm_fault+0x248/0x8d0 [ 50.185513] ? lock_downgrade+0x980/0x980 [ 50.189675] handle_mm_fault+0x334/0x8d0 [ 50.193714] ? down_read_trylock+0xdb/0x170 [ 50.198014] ? __do_page_fault+0x32d/0xc90 [ 50.202230] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 50.206792] ? vmacache_find+0x5f/0x280 [ 50.210753] ? find_vma+0x30/0x150 [ 50.214275] __do_page_fault+0x5c9/0xc90 [ 50.218314] ? kernel_read+0x120/0x120 [ 50.222192] ? mm_fault_error+0x2c0/0x2c0 [ 50.226324] ? avc_policy_seqno+0x9/0x20 [ 50.230365] ? selinux_file_permission+0x82/0x460 [ 50.235201] do_page_fault+0xee/0x720 [ 50.238984] ? __do_page_fault+0xc90/0xc90 [ 50.243198] ? __fdget_raw+0x20/0x20 [ 50.246894] ? vfs_write+0x224/0x510 [ 50.250590] ? fput+0xd2/0x140 [ 50.253764] ? SyS_write+0x184/0x220 [ 50.257455] ? retint_user+0x18/0x18 [ 50.261150] ? page_fault+0x36/0x60 [ 50.264759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.269586] ? page_fault+0x36/0x60 [ 50.273194] page_fault+0x4c/0x60 [ 50.276627] RIP: 0033:0x7fc378589890 [ 50.280315] RSP: 002b:00007fc3766eedb8 EFLAGS: 00010206 [ 50.285656] RAX: 00007fc37878a0c0 RBX: 00007fc37878b4e8 RCX: 0000000000000039 [ 50.292902] RDX: 0000000000000000 RSI: 00007fc37878b4c0 RDI: 00000000004067dd [ 50.300150] RBP: 00000000004067dd R08: 0000000001d4536a R09: 0000000000000039 [ 50.307402] R10: 0000000000000000 R11: 00007fc3766eee30 R12: 0000000000000007 [ 50.314652] R13: 000000007514dab9 R14: 0000000000000000 R15: 00007fc3766eefb8 [ 50.321929] CPU: 1 PID: 3670 Comm: syzkaller172790 Not tainted 4.15.0-rc8+ #269 [ 50.322090] Mem-Info: [ 50.322107] active_anon:2094 inactive_anon:62 isolated_anon:0 [ 50.322107] active_file:17 inactive_file:18 isolated_file:0 [ 50.322107] unevictable:0 dirty:0 writeback:0 unstable:0 [ 50.322107] slab_reclaimable:7424 slab_unreclaimable:85272 [ 50.322107] mapped:2 shmem:70 pagetables:340 bounce:0 [ 50.322107] free:15674 free_pcp:30 free_cma:0 [ 50.322121] Node 0 active_anon:8376kB inactive_anon:248kB active_file:68kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 50.322124] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 50.322141] lowmem_reserve[]: 0 2870 6381 6381 [ 50.322155] Node 0 DMA32 free:28840kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:0kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 50.322170] lowmem_reserve[]: 0 0 3510 3510 [ 50.322183] Node 0 Normal free:17948kB min:37084kB low:46352kB high:55620kB active_anon:8360kB inactive_anon:248kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3360kB pagetables:1356kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 50.322200] lowmem_reserve[]: 0 0 0 0 [ 50.322212] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 50.322268] Node 0 DMA32: 4*4kB (ME) 5*8kB (ME) 9*16kB (UME) 3*32kB (UME) 4*64kB (ME) 5*128kB (ME) 4*256kB (M) 4*512kB (ME) 4*1024kB (UME) 4*2048kB (UME) 3*4096kB (M) = 28840kB [ 50.322329] Node 0 Normal: 280*4kB (UME) 258*8kB (UME) 178*16kB (UME) 113*32kB (UME) 60*64kB (M) 17*128kB (M) 9*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17968kB [ 50.322390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 50.322393] 105 total pagecache pages [ 50.322402] 0 pages in swap cache [ 50.322406] Swap cache stats: add 0, delete 0, find 0/0 [ 50.322409] Free swap = 0kB [ 50.322412] Total swap = 0kB [ 50.322415] 1965979 pages RAM [ 50.322417] 0 pages HighMem/MovableOnly [ 50.322420] 327760 pages reserved [ 50.322424] Unreclaimable slab info: [ 50.322426] Name Used Total [ 50.322444] pid_2 1KB 4KB [ 50.322449] hashtab_node 118KB 119KB [ 50.322454] ebitmap_node 382KB 385KB [ 50.322460] avtab_node 1012KB 1013KB [ 50.322469] TIPC 12KB 21KB [ 50.322477] SCTPv6 18KB 20KB [ 50.322486] DCCPv6 21KB 21KB [ 50.322492] DCCP 20KB 20KB [ 50.322515] fib6_nodes 0KB 4KB [ 50.322519] ip6_dst_cache 7KB 7KB [ 50.322526] RAWv6 87KB 91KB [ 50.322531] UDPv6 12KB 14KB [ 50.322538] TCPv6 2KB 5KB [ 50.322556] sd_ext_cdb 0KB 3KB [ 50.322561] scsi_sense_cache 112KB 120KB [ 50.322566] virtio_scsi_cmd 16KB 16KB [ 50.322574] sgpool-128 8KB 8KB [ 50.322579] sgpool-64 4KB 6KB [ 50.322584] sgpool-32 261KB 267KB [ 50.322588] sgpool-16 73KB 75KB [ 50.322593] sgpool-8 243KB 243KB [ 50.322600] cfq_io_cq 16KB 19KB [ 50.322605] cfq_queue 26KB 27KB [ 50.322610] mqueue_inode_cache 12KB 14KB [ 50.322616] nfs_commit_data 3KB 7KB [ 50.322621] nfs_write_data 34KB 37KB [ 50.322628] jbd2_inode 1KB 3KB [ 50.322634] ext4_system_zone 0KB 3KB [ 50.322646] bio-1 1KB 3KB [ 50.322651] pid_namespace 2KB 3KB [ 50.322661] rpc_buffers 17KB 19KB [ 50.322666] rpc_tasks 2KB 3KB [ 50.322671] UNIX 780KB 784KB [ 50.322679] tcp_bind_bucket 1KB 4KB [ 50.322686] ip_fib_trie 0KB 3KB [ 50.322691] ip_fib_alias 0KB 3KB [ 50.322695] ip_dst_cache 4KB 7KB [ 50.322701] RAW 51KB 57KB [ 50.322706] UDP 42KB 46KB [ 50.322713] TCP 28KB 31KB [ 50.322718] hugetlbfs_inode_cache 1KB 7KB [ 50.322724] eventpoll_pwq 10KB 15KB [ 50.322730] eventpoll_epi 18KB 27KB [ 50.322734] inotify_inode_mark 3KB 7KB [ 50.322740] request_queue 33KB 67KB [ 50.322746] blkdev_ioc 22KB 23KB [ 50.322751] bio-0 438KB 438KB [ 50.322756] biovec-(1<<(21-12)) 511KB 511KB [ 50.322762] biovec-64 196KB 196KB [ 50.322766] biovec-16 56KB 56KB [ 50.322771] bio_integrity_payload 0KB 4KB [ 50.322776] khugepaged_mm_slot 0KB 3KB [ 50.322785] uid_cache 0KB 3KB [ 50.322790] dmaengine-unmap-2 0KB 3KB [ 50.322795] audit_buffer 0KB 3KB [ 50.322801] skbuff_fclone_cache 138KB 142KB [ 50.322805] skbuff_head_cache 2350KB 2355KB [ 50.322811] configfs_dir_cache 0KB 4KB [ 50.322815] file_lock_cache 161KB 162KB [ 50.322820] file_lock_ctx 1KB 3KB [ 50.322825] fsnotify_mark_connector 2KB 3KB [ 50.322830] net_namespace 59KB 59KB [ 50.322836] shmem_inode_cache 1054KB 1054KB [ 50.322841] task_delay_info 320KB 336KB [ 50.322847] sigqueue 365KB 370KB [ 50.322852] kernfs_node_cache 3639KB 3642KB [ 50.322857] mnt_cache 67KB 68KB [ 50.322862] filp 8180KB 8688KB [ 50.322867] names_cache 108948KB 108987KB [ 50.322875] avc_node 37KB 43KB [ 50.322880] selinux_file_security 410KB 496KB [ 50.322885] selinux_inode_security 1977KB 1980KB [ 50.322890] key_jar 3KB 7KB [ 50.322895] nsproxy 4KB 7KB [ 50.322900] vm_area_struct 18662KB 18678KB [ 50.322905] mm_struct 4528KB 4531KB [ 50.322910] fs_cache 427KB 432KB [ 50.322915] files_cache 1599KB 1601KB [ 50.322919] signal_cache 2553KB 2558KB [ 50.322924] sighand_cache 240KB 333KB [ 50.322930] task_struct 10890KB 10890KB [ 50.322934] cred_jar 2353KB 2356KB [ 50.322939] anon_vma_chain 7828KB 7839KB [ 50.322944] anon_vma 138KB 315KB [ 50.322949] pid 221KB 240KB [ 50.322954] Acpi-Operand 106KB 170KB [ 50.322961] Acpi-Namespace 19KB 23KB [ 50.322966] numa_policy 0KB 3KB [ 50.322971] debug_objects_cache 554KB 559KB [ 50.322976] trace_event_file 144KB 147KB [ 50.322982] ftrace_event_field 254KB 255KB [ 50.322987] pool_workqueue 40KB 44KB [ 50.322993] page->ptl 3112KB 3119KB [ 50.323040] kmalloc-262144 1032KB 1032KB [ 50.323045] kmalloc-131072 650KB 650KB [ 50.323050] kmalloc-65536 264KB 264KB [ 50.323055] kmalloc-32768 1353KB 1353KB [ 50.323060] kmalloc-16384 313KB 313KB [ 50.323064] kmalloc-8192 800KB 800KB [ 50.323069] kmalloc-4096 9086KB 9124KB [ 50.323074] kmalloc-2048 4594KB 4596KB [ 50.323078] kmalloc-1024 4378KB 4378KB [ 50.323083] kmalloc-512 3326KB 3326KB [ 50.323088] kmalloc-256 2401KB 2482KB [ 50.323092] kmalloc-128 524KB 531KB [ 50.323097] kmalloc-96 2100KB 2100KB [ 50.323102] kmalloc-64 2572KB 2572KB [ 50.323107] kmalloc-32 2485KB 2492KB [ 50.323112] kmalloc-192 1028KB 1028KB [ 50.323117] kmem_cache 105KB 108KB [ 50.323121] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 50.323147] [ 1818] 0 1818 5385 186 94208 0 -1000 udevd [ 50.323159] [ 3499] 0 3499 30682 249 126976 0 0 rsyslogd [ 50.323169] [ 3549] 0 3549 4725 50 81920 0 0 cron [ 50.323181] [ 3572] 0 3572 3735 44 65536 0 0 mcstransd [ 50.323191] [ 3600] 0 3600 12490 152 143360 0 -1000 sshd [ 50.323202] [ 3624] 0 3624 3694 40 73728 0 0 getty [ 50.323212] [ 3625] 0 3625 3694 42 73728 0 0 getty [ 50.323221] [ 3626] 0 3626 3694 40 77824 0 0 getty [ 50.323232] [ 3627] 0 3627 3694 41 73728 0 0 getty [ 50.323242] [ 3628] 0 3628 3694 39 73728 0 0 getty [ 50.323253] [ 3629] 0 3629 3694 41 73728 0 0 getty [ 50.323263] [ 3630] 0 3630 3649 39 77824 0 0 getty [ 50.323273] [ 3634] 0 3634 5681 455 90112 0 -1000 udevd [ 50.323283] [ 3635] 0 3635 5681 454 90112 0 -1000 udevd [ 50.323293] [ 3652] 0 3652 17821 198 184320 0 0 sshd [ 50.323304] [ 3654] 0 3654 285 1 32768 0 0 syzkaller172790 [ 50.323314] [ 3655] 0 3655 285 11 32768 0 0 syzkaller172790 [ 50.323324] [ 3656] 0 3656 285 11 32768 0 0 syzkaller172790 [ 50.323334] [ 3657] 0 3657 285 11 32768 0 0 syzkaller172790 [ 50.323345] [ 3658] 0 3658 285 11 32768 0 0 syzkaller172790 [ 50.323356] [ 3659] 0 3659 285 11 32768 0 0 syzkaller172790 [ 50.323370] [ 3660] 0 3660 285 11 32768 0 0 syzkaller172790 [ 50.323381] [ 3661] 0 3661 285 11 32768 0 0 syzkaller172790 [ 50.323391] [ 3662] 0 3662 285 11 32768 0 0 syzkaller172790 [ 50.323402] [ 3663] 0 3663 4048 0 32768 0 0 syzkaller172790 [ 50.323412] [ 3664] 0 3664 4048 0 32768 0 0 syzkaller172790 [ 50.323422] [ 3665] 0 3665 4048 0 32768 0 0 syzkaller172790 [ 50.323432] [ 3666] 0 3666 4048 0 32768 0 0 syzkaller172790 [ 50.323442] [ 3667] 0 3667 4048 0 32768 0 0 syzkaller172790 [ 50.323453] [ 3668] 0 3668 4048 0 32768 0 0 syzkaller172790 [ 50.323463] [ 3669] 0 3669 4048 0 32768 0 0 syzkaller172790 [ 50.323473] [ 3670] 0 3670 4048 0 32768 0 0 syzkaller172790 [ 50.323479] Out of memory: Kill process 3499 (rsyslogd) score 0 or sacrifice child [ 50.323748] Killed process 3499 (rsyslogd) total-vm:122728kB, anon-rss:996kB, file-rss:0kB, shmem-rss:0kB [ 50.326939] rs:main Q:Reg: page allocation failure: order:0, mode:0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null) [ 50.326961] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 51.481730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.491060] Call Trace: [ 51.493633] dump_stack+0x194/0x257 [ 51.497248] ? arch_local_irq_restore+0x53/0x53 [ 51.501892] ? idr_get_free_cmn+0xfd0/0xfd0 [ 51.506198] ? debug_object_destroy+0x2b0/0x2b0 [ 51.510860] warn_alloc+0x19a/0x2b0 [ 51.514472] ? zone_watermark_ok_safe+0x400/0x400 [ 51.519304] ? __next_timer_interrupt+0x150/0x150 [ 51.524135] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.529581] __alloc_pages_slowpath+0x2546/0x2d00 [ 51.534444] ? warn_alloc+0x2b0/0x2b0 [ 51.538224] ? check_noncircular+0x20/0x20 [ 51.542451] ? print_irqtrace_events+0x270/0x270 [ 51.547196] ? check_noncircular+0x20/0x20 [ 51.551407] ? find_held_lock+0x35/0x1d0 [ 51.555456] ? lock_acquire+0x1d5/0x580 [ 51.559412] ? lock_acquire+0x1d5/0x580 [ 51.563371] ? __lock_acquire+0x664/0x3e00 [ 51.567592] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.573458] ? lock_release+0xa40/0xa40 [ 51.577441] ? __lock_is_held+0xb6/0x140 [ 51.581502] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.587379] ? __might_sleep+0x95/0x190 [ 51.591341] __alloc_pages_nodemask+0x9fb/0xd80 [ 51.595988] ? lock_release+0xa40/0xa40 [ 51.599948] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 51.604956] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 51.609872] ? print_irqtrace_events+0x270/0x270 [ 51.614617] ? __lock_is_held+0xb6/0x140 [ 51.618670] ? find_next_bit+0x27/0x30 [ 51.622544] pcpu_populate_chunk+0x1b3/0x880 [ 51.626953] pcpu_alloc+0x978/0x10e0 [ 51.630666] ? pcpu_free_area+0xa00/0xa00 [ 51.634803] ? vmap_page_range_noflush+0x523/0x720 [ 51.639742] ? map_vm_area+0x9e/0xd0 [ 51.643442] ? __vmalloc_node_range+0x37a/0x650 [ 51.648106] ? array_map_alloc+0x354/0x990 [ 51.652321] ? __vmalloc_node_flags_caller+0x50/0x60 [ 51.657415] __alloc_percpu_gfp+0x27/0x30 [ 51.661548] array_map_alloc+0x794/0x990 [ 51.665603] SyS_bpf+0x7f8/0x4400 [ 51.669036] ? check_noncircular+0x20/0x20 [ 51.673258] ? bpf_prog_get+0x20/0x20 [ 51.677050] ? perf_event_fork+0x30/0x30 [ 51.681106] ? __lock_is_held+0xb6/0x140 [ 51.685149] ? check_noncircular+0x20/0x20 [ 51.689374] ? __handle_mm_fault+0x80e/0x3ce0 [ 51.693859] ? check_noncircular+0x20/0x20 [ 51.698070] ? __pmd_alloc+0x4e0/0x4e0 [ 51.701938] ? vma_link+0xe9/0x170 [ 51.705465] ? find_held_lock+0x35/0x1d0 [ 51.709518] ? handle_mm_fault+0x248/0x8d0 [ 51.713739] ? find_held_lock+0x35/0x1d0 [ 51.717795] ? __do_page_fault+0x5f7/0xc90 [ 51.722012] ? lock_downgrade+0x980/0x980 [ 51.726155] ? handle_mm_fault+0x410/0x8d0 [ 51.730366] ? down_read_trylock+0xdb/0x170 [ 51.734663] ? __do_page_fault+0x32d/0xc90 [ 51.738877] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 51.743439] ? vmacache_find+0x5f/0x280 [ 51.747392] ? vmacache_update+0xfe/0x130 [ 51.751530] ? up_read+0x1a/0x40 [ 51.754881] ? __do_page_fault+0x3d6/0xc90 [ 51.759111] ? mm_fault_error+0x2c0/0x2c0 [ 51.763256] ? do_page_fault+0xee/0x720 [ 51.767212] ? __do_page_fault+0xc90/0xc90 [ 51.771440] ? SyS_mmap_pgoff+0x243/0x5f0 [ 51.775594] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 51.780344] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 51.785079] RIP: 0033:0x440859 [ 51.788249] RSP: 002b:00007ffe7a1860e8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 51.795937] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440859 [ 51.803185] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 51.810431] RBP: 00000000006cb018 R08: 0000000000000000 R09: 0000000000000000 [ 51.817678] R10: 00000000ffffffff R11: 0000000000000217 R12: 0000000000401c30 [ 51.824929] R13: 0000000000401cc0 R14: 0000000000000000 R15: 0000000000000000 [ 51.832206] CPU: 0 PID: 3500 Comm: rs:main Q:Reg Not tainted 4.15.0-rc8+ #269 [ 51.832547] Mem-Info: [ 51.832565] active_anon:2094 inactive_anon:62 isolated_anon:0 [ 51.832565] active_file:17 inactive_file:18 isolated_file:0 [ 51.832565] unevictable:0 dirty:0 writeback:0 unstable:0 [ 51.832565] slab_reclaimable:7424 slab_unreclaimable:85272 [ 51.832565] mapped:2 shmem:70 pagetables:340 bounce:0 [ 51.832565] free:15674 free_pcp:33 free_cma:0 [ 51.832579] Node 0 active_anon:8376kB inactive_anon:248kB active_file:68kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 51.832582] 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 [ 51.832599] lowmem_reserve[]: 0 2870 6381 6381 [ 51.832612] Node 0 DMA32 free:28840kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 51.832628] lowmem_reserve[]: 0 0 3510 3510 [ 51.832640] Node 0 Normal free:17948kB min:37084kB low:46352kB high:55620kB active_anon:8360kB inactive_anon:248kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3360kB pagetables:1356kB bounce:0kB free_pcp:12kB local_pcp:0kB free_cma:0kB [ 51.832656] lowmem_reserve[]: 0 0 0 0 [ 51.832669] 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 [ 51.832720] Node 0 DMA32: 4*4kB (ME) 5*8kB (ME) 9*16kB (UME) 3*32kB (UME) 4*64kB (ME) 5*128kB (ME) 4*256kB (M) 4*512kB (ME) 4*1024kB (UME) 4*2048kB (UME) 3*4096kB (M) = 28840kB [ 51.832783] Node 0 Normal: 280*4kB (UME) 261*8kB (UME) 178*16kB (UME) 113*32kB (UME) 60*64kB (M) 17*128kB (M) 9*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17992kB [ 51.832837] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.832840] 105 total pagecache pages [ 51.832847] 0 pages in swap cache [ 51.832851] Swap cache stats: add 0, delete 0, find 0/0 [ 51.832854] Free swap = 0kB [ 51.832856] Total swap = 0kB [ 51.832859] 1965979 pages RAM [ 51.832862] 0 pages HighMem/MovableOnly [ 51.832864] 327760 pages reserved [ 52.079346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.088672] Call Trace: [ 52.091238] dump_stack+0x194/0x257 [ 52.094846] ? arch_local_irq_restore+0x53/0x53 [ 52.099486] ? idr_get_free_cmn+0xfd0/0xfd0 [ 52.103782] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 52.108609] warn_alloc+0x19a/0x2b0 [ 52.112226] ? zone_watermark_ok_safe+0x400/0x400 [ 52.117062] ? oom_killer_disable+0x310/0x310 [ 52.121530] ? mutex_trylock+0x23a/0x2d0 [ 52.125582] __alloc_pages_slowpath+0x2546/0x2d00 [ 52.130407] ? trace_hardirqs_on+0xd/0x10 [ 52.134548] ? warn_alloc+0x2b0/0x2b0 [ 52.138325] ? lock_downgrade+0x980/0x980 [ 52.142456] ? __lock_is_held+0xb6/0x140 [ 52.146506] ? find_get_entry+0x53c/0x9e0 [ 52.150653] ? __lock_acquire+0x664/0x3e00 [ 52.154878] ? __lock_is_held+0xb6/0x140 [ 52.158930] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 52.164798] ? __might_sleep+0x95/0x190 [ 52.168751] __alloc_pages_nodemask+0x9fb/0xd80 [ 52.173399] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 52.178392] ? add_to_page_cache_lru+0x510/0x510 [ 52.183129] ? check_noncircular+0x20/0x20 [ 52.187336] ? check_noncircular+0x20/0x20 [ 52.191550] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 52.196300] alloc_pages_current+0xb6/0x1e0 [ 52.200598] __page_cache_alloc+0x334/0x500 [ 52.204891] ? rcu_read_lock_held+0xa9/0xc0 [ 52.209187] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 52.216532] filemap_fault+0xefc/0x1c20 [ 52.220481] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 52.225653] ? __lock_page_or_retry+0x4f0/0x4f0 [ 52.230302] ? filemap_map_pages+0x942/0x15d0 [ 52.234781] ? find_get_entries_tag+0xeb0/0xeb0 [ 52.239431] ? check_noncircular+0x20/0x20 [ 52.243643] ? print_irqtrace_events+0x270/0x270 [ 52.248370] ? print_irqtrace_events+0x270/0x270 [ 52.253107] ? lock_acquire+0x1d5/0x580 [ 52.257061] ? lock_acquire+0x1d5/0x580 [ 52.261007] ? lock_acquire+0x1d5/0x580 [ 52.264961] ? ext4_filemap_fault+0x7a/0xad [ 52.269260] ? __lock_acquire+0x664/0x3e00 [ 52.273471] ? lock_release+0xa40/0xa40 [ 52.277417] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 52.283279] ? rcu_note_context_switch+0x710/0x710 [ 52.288186] ? __might_sleep+0x95/0x190 [ 52.292139] ? down_read+0x96/0x150 [ 52.295739] ? ext4_filemap_fault+0x7a/0xad [ 52.300034] ? __down_interruptible+0x6b0/0x6b0 [ 52.304687] ext4_filemap_fault+0x82/0xad [ 52.308809] __do_fault+0xeb/0x30f [ 52.312327] ? pte_offset_kernel+0xc7/0xc7 [ 52.316536] ? do_raw_spin_trylock+0x190/0x190 [ 52.321099] ? check_noncircular+0x20/0x20 [ 52.325317] __handle_mm_fault+0x1d8f/0x3ce0 [ 52.329706] ? __pmd_alloc+0x4e0/0x4e0 [ 52.333575] ? find_held_lock+0x35/0x1d0 [ 52.337619] ? handle_mm_fault+0x248/0x8d0 [ 52.341826] ? lock_downgrade+0x980/0x980 [ 52.345974] handle_mm_fault+0x334/0x8d0 [ 52.350008] ? down_read_trylock+0xdb/0x170 [ 52.354305] ? __do_page_fault+0x32d/0xc90 [ 52.358512] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 52.363067] ? vmacache_find+0x5f/0x280 [ 52.367024] ? find_vma+0x30/0x150 [ 52.370542] __do_page_fault+0x5c9/0xc90 [ 52.374574] ? kernel_read+0x120/0x120 [ 52.378440] ? mm_fault_error+0x2c0/0x2c0 [ 52.382562] ? avc_policy_seqno+0x9/0x20 [ 52.386594] ? selinux_file_permission+0x82/0x460 [ 52.391417] do_page_fault+0xee/0x720 [ 52.395194] ? __do_page_fault+0xc90/0xc90 [ 52.399398] ? __fdget_raw+0x20/0x20 [ 52.403087] ? vfs_write+0x224/0x510 [ 52.406773] ? fput+0xd2/0x140 [ 52.409939] ? SyS_write+0x184/0x220 [ 52.413626] ? retint_user+0x18/0x18 [ 52.417317] ? page_fault+0x36/0x60 [ 52.420918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.425737] ? page_fault+0x36/0x60 [ 52.429339] page_fault+0x4c/0x60 [ 52.432770] RIP: 0033:0x7fc378589890 [ 52.436468] RSP: 002b:00007fc3766eedb8 EFLAGS: 00010206 [ 52.441803] RAX: 00007fc37878a0c0 RBX: 00007fc37878b4e8 RCX: 0000000000000039 [ 52.449055] RDX: 0000000000000000 RSI: 00007fc37878b4c0 RDI: 00000000004067dd [ 52.456299] RBP: 00000000004067dd R08: 0000000001d4536a R09: 0000000000000039 [ 52.463544] R10: 0000000000000000 R11: 00007fc3766eee30 R12: 0000000000000007 [ 52.470787] R13: 000000007514dab9 R14: 0000000000000000 R15: 00007fc3766eefb8 [ 52.478194] rsyslogd: page allocation failure: order:0, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 52.482077] rsyslogd: page allocation failure: order:0, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 52.482084] rsyslogd cpuset=/ mems_allowed=0 [ 52.482177] CPU: 1 PID: 3499 Comm: rsyslogd Not tainted 4.15.0-rc8+ #269 [ 52.482181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.482184] Call Trace: [ 52.482198] dump_stack+0x194/0x257 [ 52.482212] ? arch_local_irq_restore+0x53/0x53 [ 52.482218] ? idr_get_free_cmn+0xfd0/0xfd0 [ 52.482229] ? debug_object_destroy+0x2b0/0x2b0 [ 52.482249] warn_alloc+0x19a/0x2b0 Connection to 10.128.0.44 closed by remote host. [ 52.482261] ? zone_watermar