[....] Starting enhanced syslogd: rsyslogd[ 12.129611] audit: type=1400 audit(1516410048.553:5): avc: denied { syslog } for pid=3505 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: [ 18.895846] audit: type=1400 audit(1516410055.319:6): avc: denied { map } for pid=3646 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.15.245' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 25.138292] audit: type=1400 audit(1516410061.561:7): avc: denied { map } for pid=3660 comm="syzkaller940240" path="/root/syzkaller940240831" 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 [ 25.164499] audit: type=1400 audit(1516410061.562:8): avc: denied { map_create } for pid=3668 comm="syzkaller940240" 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 [ 32.048593] syzkaller940240 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 32.061068] syzkaller940240 cpuset=/ mems_allowed=0 [ 32.066336] CPU: 1 PID: 3663 Comm: syzkaller940240 Not tainted 4.15.0-rc8-mm1+ #58 [ 32.074032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.084585] Call Trace: [ 32.088287] dump_stack+0x194/0x257 [ 32.091913] ? arch_local_irq_restore+0x53/0x53 [ 32.096571] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.101757] dump_header+0x28c/0xe2b [ 32.105476] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.110666] ? pagefault_out_of_memory+0x145/0x145 [ 32.115589] ? print_irqtrace_events+0x270/0x270 [ 32.120334] ? avc_has_perm_noaudit+0x37e/0x520 [ 32.124982] ? check_noncircular+0x20/0x20 [ 32.129223] ? reacquire_held_locks+0x1f9/0x3e0 [ 32.133882] ? reacquire_held_locks+0x1f9/0x3e0 [ 32.138529] ? check_noncircular+0x20/0x20 [ 32.142739] ? task_will_free_mem+0x252/0xaa0 [ 32.147212] ? check_noncircular+0x20/0x20 [ 32.151446] ? print_irqtrace_events+0x270/0x270 [ 32.156193] ? ___ratelimit+0x30d/0x630 [ 32.160143] ? lock_downgrade+0x980/0x980 [ 32.164270] ? lock_release+0xa40/0xa40 [ 32.168224] ? mark_held_locks+0xaf/0x100 [ 32.172352] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 32.177444] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.182442] ? trace_hardirqs_on+0xd/0x10 [ 32.186567] ? ___ratelimit+0x95/0x630 [ 32.190430] ? idr_get_free_cmn+0xfd0/0xfd0 [ 32.194726] ? check_noncircular+0x20/0x20 [ 32.198946] oom_kill_process+0x81b/0x9f0 [ 32.203084] ? oom_badness+0xd1/0x980 [ 32.206863] ? lock_release+0xa40/0xa40 [ 32.211265] ? oom_kill_memcg_member+0x20/0x20 [ 32.217415] ? mark_held_locks+0xaf/0x100 [ 32.221560] ? oom_evaluate_task+0x480/0x480 [ 32.227283] ? out_of_memory+0xe1c/0x1790 [ 32.231420] ? lock_downgrade+0x980/0x980 [ 32.235567] ? lock_release+0xa40/0xa40 [ 32.239531] ? find_next_bit+0xcc/0x100 [ 32.243514] ? oom_evaluate_task+0x284/0x480 [ 32.247912] out_of_memory+0x9d5/0x1790 [ 32.251879] ? oom_killer_disable+0x310/0x310 [ 32.256358] ? mutex_trylock+0x23a/0x2d0 [ 32.260393] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 32.265305] ? __lock_is_held+0xb6/0x140 [ 32.269360] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 32.274804] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 32.279674] ? __bfs+0x6c7/0x750 [ 32.283029] ? warn_alloc+0x2b0/0x2b0 [ 32.286815] ? check_noncircular+0x20/0x20 [ 32.291034] ? check_preempt_wakeup+0x426/0xb20 [ 32.295705] ? print_irqtrace_events+0x270/0x270 [ 32.300458] ? lock_acquire+0x1d5/0x580 [ 32.304409] ? lock_acquire+0x1d5/0x580 [ 32.308361] ? __lock_acquire+0x664/0x3e00 [ 32.312575] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 32.318434] ? lock_release+0xa40/0xa40 [ 32.322402] ? __lock_is_held+0xb6/0x140 [ 32.326453] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 32.332324] ? __might_sleep+0x95/0x190 [ 32.336281] __alloc_pages_nodemask+0x9fb/0xd80 [ 32.340928] ? lock_release+0xa40/0xa40 [ 32.344893] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 32.349899] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 32.354813] ? print_irqtrace_events+0x270/0x270 [ 32.359563] ? __lock_is_held+0xb6/0x140 [ 32.363624] ? find_next_bit+0xcc/0x100 [ 32.367605] pcpu_populate_chunk+0x1b3/0x880 [ 32.371997] ? find_last_bit+0xc7/0xd0 [ 32.375874] pcpu_alloc+0x978/0x10e0 [ 32.379591] ? pcpu_free_area+0xa00/0xa00 [ 32.383734] ? vmap_page_range_noflush+0x523/0x720 [ 32.388654] ? retint_kernel+0x10/0x10 [ 32.392517] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.397518] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.402264] ? retint_kernel+0x10/0x10 [ 32.406136] ? pcpu_alloc+0x184/0x10e0 [ 32.410192] __alloc_percpu_gfp+0x27/0x30 [ 32.414321] array_map_alloc+0x794/0x990 [ 32.418372] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 32.423638] SyS_bpf+0x93c/0x4840 [ 32.427090] ? perf_event_mmap+0x115/0x12a0 [ 32.431410] ? bpf_prog_get+0x20/0x20 [ 32.435205] ? perf_event_fork+0x30/0x30 [ 32.439274] ? __lock_is_held+0xb6/0x140 [ 32.443327] ? check_noncircular+0x20/0x20 [ 32.447550] ? vma_wants_writenotify+0x51/0x3b0 [ 32.452204] ? __handle_mm_fault+0x80e/0x3ce0 [ 32.456680] ? check_noncircular+0x20/0x20 [ 32.460896] ? __pmd_alloc+0x4e0/0x4e0 [ 32.464758] ? vma_link+0xe9/0x170 [ 32.468279] ? find_held_lock+0x35/0x1d0 [ 32.472323] ? handle_mm_fault+0x2a0/0x930 [ 32.476544] ? find_held_lock+0x35/0x1d0 [ 32.480588] ? __do_page_fault+0x5f7/0xc90 [ 32.484802] ? lock_downgrade+0x980/0x980 [ 32.488948] ? handle_mm_fault+0x476/0x930 [ 32.493164] ? down_read_trylock+0xdb/0x170 [ 32.497481] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 32.502043] ? vmacache_find+0x5f/0x280 [ 32.505995] ? vmacache_update+0xfe/0x130 [ 32.510124] ? up_read+0x1a/0x40 [ 32.513474] ? __do_page_fault+0x3d6/0xc90 [ 32.517711] ? mm_fault_error+0x2c0/0x2c0 [ 32.521872] ? do_page_fault+0xee/0x720 [ 32.525837] ? __do_page_fault+0xc90/0xc90 [ 32.530061] ? SyS_mmap_pgoff+0x243/0x5f0 [ 32.534195] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.538940] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 32.543676] RIP: 0033:0x440179 [ 32.546847] RSP: 002b:00007ffc3762cae8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 32.554526] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 32.562813] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 32.570057] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 32.577307] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 32.584557] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 32.591874] Mem-Info: [ 32.594289] active_anon:7881 inactive_anon:63 isolated_anon:0 [ 32.594289] active_file:19 inactive_file:5 isolated_file:0 [ 32.594289] unevictable:0 dirty:0 writeback:0 unstable:0 [ 32.594289] slab_reclaimable:7298 slab_unreclaimable:83506 [ 32.594289] mapped:2 shmem:70 pagetables:333 bounce:0 [ 32.594289] free:24202 free_pcp:0 free_cma:0 [ 32.626638] Node 0 active_anon:31524kB inactive_anon:252kB active_file:76kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 32.653544] 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 [ 32.679699] lowmem_reserve[]: 0 2870 6381 6381 [ 32.684318] Node 0 DMA32 free:43944kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.711577] lowmem_reserve[]: 0 0 3510 3510 [ 32.715930] Node 0 Normal free:36956kB min:37088kB low:46360kB high:55632kB active_anon:31496kB inactive_anon:248kB active_file:64kB inactive_file:24kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3136kB pagetables:1332kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.744447] lowmem_reserve[]: 0 0 0 0 [ 32.748287] 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 [ 32.762039] Node 0 DMA32: 6*4kB (M) 4*8kB (M) 5*16kB (M) 1*32kB (M) 2*64kB (M) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 43944kB [ 32.777176] Node 0 Normal: 692*4kB (UM) 458*8kB (UM) 318*16kB (UM) 152*32kB (ME) 90*64kB (UM) 34*128kB (UM) 31*256kB (M) 5*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36992kB [ 32.792643] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 32.801230] 98 total pagecache pages [ 32.804956] 0 pages in swap cache [ 32.808405] Swap cache stats: add 0, delete 0, find 0/0 [ 32.813770] Free swap = 0kB [ 32.816794] Total swap = 0kB [ 32.819820] 1965979 pages RAM [ 32.822931] 0 pages HighMem/MovableOnly [ 32.826917] 327775 pages reserved [ 32.830442] Unreclaimable slab info: [ 32.834347] Name Used Total [ 32.839955] hashtab_node 118KB 119KB [ 32.845328] ebitmap_node 383KB 389KB [ 32.850699] avtab_node 1012KB 1013KB [ 32.856075] TIPC 1KB 7KB [ 32.861449] SCTPv6 2KB 4KB [ 32.866824] DCCPv6 2KB 7KB [ 32.872205] DCCP 2KB 6KB [ 32.877596] fib6_nodes 0KB 4KB [ 32.884278] ip6_dst_cache 5KB 7KB [ 32.890610] RAWv6 9KB 13KB [ 32.895988] UDPv6 12KB 14KB [ 32.901366] TCPv6 2KB 5KB [ 32.906752] sd_ext_cdb 0KB 3KB [ 32.912123] scsi_sense_cache 78KB 140KB [ 32.917493] virtio_scsi_cmd 16KB 16KB [ 32.922868] sgpool-128 8KB 8KB [ 32.928239] sgpool-64 4KB 6KB [ 32.933607] sgpool-32 70KB 70KB [ 32.938982] sgpool-16 22KB 22KB [ 32.944354] sgpool-8 157KB 157KB [ 32.949729] cfq_io_cq 15KB 19KB [ 32.955099] cfq_queue 24KB 30KB [ 32.960469] mqueue_inode_cache 1KB 7KB [ 32.967490] nfs_commit_data 3KB 7KB [ 32.973729] nfs_write_data 34KB 37KB [ 32.979108] jbd2_inode 1KB 3KB [ 32.984480] ext4_system_zone 0KB 3KB [ 32.989859] bio-1 1KB 3KB [ 32.995502] rpc_buffers 17KB 19KB [ 33.000875] rpc_tasks 2KB 3KB [ 33.006251] UNIX 780KB 780KB [ 33.011629] tcp_bind_bucket 0KB 4KB [ 33.017006] ip_fib_trie 0KB 3KB [ 33.022395] ip_fib_alias 0KB 3KB [ 33.027766] ip_dst_cache 3KB 8KB [ 33.033140] RAW 5KB 7KB [ 33.038514] UDP 29KB 31KB [ 33.043891] TCP 7KB 7KB [ 33.049264] hugetlbfs_inode_cache 1KB 7KB [ 33.054986] eventpoll_pwq 9KB 11KB [ 33.060350] eventpoll_epi 18KB 23KB [ 33.065714] inotify_inode_mark 3KB 7KB [ 33.071193] request_queue 42KB 114KB [ 33.076568] blkdev_ioc 20KB 23KB [ 33.081937] bio-0 270KB 270KB [ 33.087309] biovec-(1<<(21-12)) 429KB 429KB [ 33.092860] biovec-64 97KB 102KB [ 33.098234] biovec-16 13KB 15KB [ 33.103601] bio_integrity_payload 0KB 4KB [ 33.109324] khugepaged_mm_slot 0KB 3KB [ 33.114791] uid_cache 0KB 3KB [ 33.120166] dmaengine-unmap-2 0KB 3KB [ 33.125536] audit_buffer 0KB 3KB [ 33.130903] skbuff_fclone_cache 138KB 142KB [ 33.136447] skbuff_head_cache 1742KB 1743KB [ 33.141821] configfs_dir_cache 0KB 4KB [ 33.147278] file_lock_cache 161KB 166KB [ 33.152651] file_lock_ctx 1KB 3KB [ 33.158036] fsnotify_mark_connector 2KB 3KB [ 33.163931] shmem_inode_cache 1054KB 1058KB [ 33.169303] task_delay_info 320KB 347KB [ 33.174677] sigqueue 365KB 366KB [ 33.180048] kernfs_node_cache 2292KB 2295KB [ 33.185422] mnt_cache 15KB 20KB [ 33.190792] filp 8471KB 8887KB [ 33.196180] names_cache 111668KB 111698KB [ 33.201557] avc_node 37KB 43KB [ 33.206943] selinux_file_security 433KB 488KB [ 33.212662] selinux_inode_security 1950KB 1952KB [ 33.218471] key_jar 3KB 7KB [ 33.223847] nsproxy 0KB 3KB [ 33.229222] vm_area_struct 18662KB 18663KB [ 33.234591] mm_struct 4526KB 4531KB [ 33.239967] fs_cache 429KB 432KB [ 33.245343] files_cache 1593KB 1593KB [ 33.251311] signal_cache 2541KB 2544KB [ 33.256770] sighand_cache 286KB 374KB [ 33.262148] task_struct 10841KB 10841KB [ 33.267528] cred_jar 2355KB 2356KB [ 33.272902] anon_vma_chain 7823KB 7823KB [ 33.278278] anon_vma 183KB 323KB [ 33.283652] pid 222KB 240KB [ 33.289040] Acpi-Operand 106KB 170KB [ 33.294413] Acpi-Parse 0KB 3KB [ 33.299784] Acpi-State 0KB 7KB [ 33.305164] Acpi-Namespace 19KB 23KB [ 33.310535] numa_policy 0KB 3KB [ 33.315908] debug_objects_cache 515KB 516KB [ 33.321452] trace_event_file 145KB 147KB [ 33.326822] ftrace_event_field 257KB 259KB [ 33.332284] pool_workqueue 24KB 28KB [ 33.337655] page->ptl 3106KB 3107KB [ 33.343047] kmalloc-262144 1032KB 1032KB [ 33.348418] kmalloc-131072 650KB 650KB [ 33.353791] kmalloc-65536 264KB 264KB [ 33.359171] kmalloc-32768 825KB 825KB [ 33.364566] kmalloc-16384 181KB 181KB [ 33.369938] kmalloc-8192 519KB 519KB [ 33.375313] kmalloc-4096 7025KB 7063KB [ 33.380686] kmalloc-2048 3227KB 3232KB [ 33.386060] kmalloc-1024 3575KB 3575KB [ 33.391434] kmalloc-512 2766KB 2767KB [ 33.396805] kmalloc-256 1997KB 2553KB [ 33.402181] kmalloc-128 406KB 519KB [ 33.407553] kmalloc-96 2056KB 2056KB [ 33.412933] kmalloc-64 2472KB 2472KB [ 33.418308] kmalloc-32 2409KB 2409KB [ 33.423768] kmalloc-192 912KB 912KB [ 33.429150] kmem_cache 101KB 105KB [ 33.434523] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 33.443210] [ 1826] 0 1826 5366 166 90112 0 -1000 udevd [ 33.451560] [ 3348] 0 3348 2493 573 53248 0 0 dhclient [ 33.459985] [ 3505] 0 3505 14298 173 122880 0 0 rsyslogd [ 33.468406] [ 3560] 0 3560 4725 51 86016 0 0 cron [ 33.476478] [ 3578] 0 3578 3737 44 69632 0 0 mcstransd [ 33.484989] [ 3580] 0 3580 12927 1227 131072 0 0 restorecond [ 33.493669] [ 3606] 0 3606 12490 152 139264 0 -1000 sshd [ 33.501743] [ 3630] 0 3630 3694 40 73728 0 0 getty [ 33.509901] [ 3631] 0 3631 3694 38 77824 0 0 getty [ 33.518157] [ 3632] 0 3632 3694 39 69632 0 0 getty [ 33.526315] [ 3633] 0 3633 3694 41 73728 0 0 getty [ 33.534476] [ 3634] 0 3634 3694 41 77824 0 0 getty [ 33.542633] [ 3635] 0 3635 3694 41 73728 0 0 getty [ 33.550797] [ 3636] 0 3636 3649 39 69632 0 0 getty [ 33.558955] [ 3640] 0 3640 5678 454 86016 0 -1000 udevd [ 33.567112] [ 3641] 0 3641 5681 454 86016 0 -1000 udevd [ 33.575277] [ 3658] 0 3658 17821 197 184320 0 0 sshd [ 33.583348] [ 3660] 0 3660 280 1 28672 0 0 syzkaller940240 [ 33.592371] [ 3661] 0 3661 4043 522 32768 0 0 syzkaller940240 [ 33.601400] [ 3662] 0 3662 4043 522 32768 0 0 syzkaller940240 [ 33.610429] [ 3663] 0 3663 4043 522 32768 0 0 syzkaller940240 [ 33.619459] [ 3664] 0 3664 4043 522 32768 0 0 syzkaller940240 [ 33.628480] [ 3665] 0 3665 4043 522 32768 0 0 syzkaller940240 [ 33.637503] [ 3666] 0 3666 4043 522 32768 0 0 syzkaller940240 [ 33.646528] [ 3667] 0 3667 4043 522 32768 0 0 syzkaller940240 [ 33.655638] [ 3668] 0 3668 4043 522 32768 0 0 syzkaller940240 [ 33.664668] Out of memory: Kill process 3580 (restorecond) score 0 or sacrifice child [ 33.673118] Killed process 3580 (restorecond) total-vm:51708kB, anon-rss:4908kB, file-rss:0kB, shmem-rss:0kB [ 33.699580] syzkaller940240 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 33.711941] syzkaller940240 cpuset=/ mems_allowed=0 [ 33.717262] CPU: 1 PID: 3664 Comm: syzkaller940240 Not tainted 4.15.0-rc8-mm1+ #58 [ 33.724952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.734284] Call Trace: [ 33.736849] dump_stack+0x194/0x257 [ 33.740459] ? arch_local_irq_restore+0x53/0x53 [ 33.745107] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.750278] dump_header+0x28c/0xe2b [ 33.753978] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.759156] ? pagefault_out_of_memory+0x145/0x145 [ 33.764079] ? print_irqtrace_events+0x270/0x270 [ 33.768841] ? avc_has_perm_noaudit+0x37e/0x520 [ 33.773507] ? check_noncircular+0x20/0x20 [ 33.777733] ? check_noncircular+0x20/0x20 [ 33.781961] ? print_irqtrace_events+0x270/0x270 [ 33.786706] ? reacquire_held_locks+0x1f9/0x3e0 [ 33.791349] ? reacquire_held_locks+0x1f9/0x3e0 [ 33.795990] ? check_noncircular+0x20/0x20 [ 33.800197] ? task_will_free_mem+0x252/0xaa0 [ 33.804661] ? check_noncircular+0x20/0x20 [ 33.808873] ? print_irqtrace_events+0x270/0x270 [ 33.813608] ? ___ratelimit+0x30d/0x630 [ 33.817553] ? lock_downgrade+0x980/0x980 [ 33.821674] ? lock_release+0xa40/0xa40 [ 33.825622] ? mark_held_locks+0xaf/0x100 [ 33.829746] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 33.834825] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.839814] ? trace_hardirqs_on+0xd/0x10 [ 33.843935] ? ___ratelimit+0x95/0x630 [ 33.847794] ? idr_get_free_cmn+0xfd0/0xfd0 [ 33.852088] ? check_noncircular+0x20/0x20 [ 33.856304] oom_kill_process+0x81b/0x9f0 [ 33.860423] ? oom_badness+0xd1/0x980 [ 33.864194] ? lock_release+0xa40/0xa40 [ 33.868142] ? oom_kill_memcg_member+0x20/0x20 [ 33.872699] ? oom_evaluate_task+0x480/0x480 [ 33.877087] ? out_of_memory+0xe1c/0x1790 [ 33.881216] ? lock_downgrade+0x980/0x980 [ 33.885342] ? lock_release+0xa40/0xa40 [ 33.889294] ? find_next_bit+0xcc/0x100 [ 33.893251] ? oom_evaluate_task+0x284/0x480 [ 33.897638] out_of_memory+0x9d5/0x1790 [ 33.901592] ? oom_killer_disable+0x310/0x310 [ 33.906068] ? mutex_trylock+0x23a/0x2d0 [ 33.910104] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 33.915021] ? __lock_is_held+0xb6/0x140 [ 33.919061] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 33.924500] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 33.929342] ? warn_alloc+0x2b0/0x2b0 [ 33.933125] ? lock_release+0xa40/0xa40 [ 33.937074] ? print_irqtrace_events+0x270/0x270 [ 33.941816] ? mutex_spin_on_owner+0x446/0xb50 [ 33.946382] ? __lock_acquire+0x664/0x3e00 [ 33.950597] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 33.956454] ? lock_release+0xa40/0xa40 [ 33.960417] ? __lock_is_held+0xb6/0x140 [ 33.964463] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 33.970328] ? __might_sleep+0x95/0x190 [ 33.974281] __alloc_pages_nodemask+0x9fb/0xd80 [ 33.978929] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 33.983924] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 33.988830] ? print_irqtrace_events+0x270/0x270 [ 33.993566] ? __lock_is_held+0xb6/0x140 [ 33.997605] ? find_next_bit+0xcc/0x100 [ 34.001557] pcpu_populate_chunk+0x1b3/0x880 [ 34.005944] ? find_last_bit+0xc7/0xd0 [ 34.009812] pcpu_alloc+0x978/0x10e0 [ 34.013511] ? pcpu_free_area+0xa00/0xa00 [ 34.017631] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 34.022102] ? vmap_page_range_noflush+0x523/0x720 [ 34.027041] ? retint_kernel+0x10/0x10 [ 34.030907] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.035898] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.040643] ? retint_kernel+0x10/0x10 [ 34.044517] __alloc_percpu_gfp+0x27/0x30 [ 34.048638] array_map_alloc+0x794/0x990 [ 34.052675] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 34.057923] SyS_bpf+0x93c/0x4840 [ 34.061349] ? perf_event_mmap+0x115/0x12a0 [ 34.065645] ? bpf_prog_get+0x20/0x20 [ 34.069419] ? perf_event_fork+0x30/0x30 [ 34.073464] ? __lock_is_held+0xb6/0x140 [ 34.077498] ? check_noncircular+0x20/0x20 [ 34.081705] ? vma_wants_writenotify+0x51/0x3b0 [ 34.086353] ? __handle_mm_fault+0x80e/0x3ce0 [ 34.090832] ? check_noncircular+0x20/0x20 [ 34.095037] ? __pmd_alloc+0x4e0/0x4e0 [ 34.098896] ? vma_link+0xe9/0x170 [ 34.102413] ? find_held_lock+0x35/0x1d0 [ 34.106454] ? handle_mm_fault+0x2a0/0x930 [ 34.110666] ? find_held_lock+0x35/0x1d0 [ 34.114708] ? __do_page_fault+0x5f7/0xc90 [ 34.118918] ? lock_downgrade+0x980/0x980 [ 34.123050] ? handle_mm_fault+0x476/0x930 [ 34.127255] ? down_read_trylock+0xdb/0x170 [ 34.131564] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 34.136116] ? vmacache_find+0x5f/0x280 [ 34.140064] ? vmacache_update+0xfe/0x130 [ 34.144192] ? up_read+0x1a/0x40 [ 34.147538] ? __do_page_fault+0x3d6/0xc90 [ 34.151752] ? mm_fault_error+0x2c0/0x2c0 [ 34.155897] ? do_page_fault+0xee/0x720 [ 34.159843] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 34.165351] ? __do_page_fault+0xc90/0xc90 [ 34.169567] ? SyS_mmap_pgoff+0x243/0x5f0 [ 34.173709] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.178458] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 34.183187] RIP: 0033:0x440179 [ 34.186350] RSP: 002b:00007ffc3762cae8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 34.194030] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 34.201271] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 34.208515] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 34.215766] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 34.223010] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 34.230362] Mem-Info: [ 34.232795] active_anon:6656 inactive_anon:63 isolated_anon:0 [ 34.232795] active_file:10 inactive_file:19 isolated_file:0 [ 34.232795] unevictable:0 dirty:0 writeback:0 unstable:0 [ 34.232795] slab_reclaimable:7299 slab_unreclaimable:83502 [ 34.232795] mapped:2 shmem:70 pagetables:307 bounce:0 [ 34.232795] free:24174 free_pcp:302 free_cma:0 [ 34.264931] Node 0 active_anon:26624kB inactive_anon:252kB active_file:40kB 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: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 34.291771] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 34.317916] lowmem_reserve[]: 0 2870 6381 6381 [ 34.322519] Node 0 DMA32 free:43944kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:12kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 34.349870] lowmem_reserve[]: 0 0 3510 3510 [ 34.354213] Node 0 Normal free:36844kB min:37088kB low:46360kB high:55632kB active_anon:26596kB inactive_anon:248kB active_file:44kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3104kB pagetables:1228kB bounce:0kB free_pcp:1208kB local_pcp:836kB free_cma:0kB [ 34.383128] lowmem_reserve[]: 0 0 0 0 [ 34.386968] 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 [ 34.400637] Node 0 DMA32: 6*4kB (M) 4*8kB (M) 5*16kB (M) 1*32kB (M) 2*64kB (M) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 43944kB [ 34.415717] Node 0 Normal: 629*4kB (MH) 437*8kB (UMH) 333*16kB (MH) 185*32kB (MH) 96*64kB (UM) 35*128kB (UM) 29*256kB (UM) 3*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 36844kB [ 34.431227] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 34.439804] 99 total pagecache pages [ 34.443516] 0 pages in swap cache [ 34.446961] Swap cache stats: add 0, delete 0, find 0/0 [ 34.452316] Free swap = 0kB [ 34.455325] Total swap = 0kB [ 34.458334] 1965979 pages RAM [ 34.461431] 0 pages HighMem/MovableOnly [ 34.465394] 327775 pages reserved [ 34.468840] Unreclaimable slab info: [ 34.472544] Name Used Total [ 34.478088] hashtab_node 118KB 119KB [ 34.483452] ebitmap_node 383KB 389KB [ 34.488810] avtab_node 1012KB 1013KB [ 34.494167] TIPC 1KB 7KB [ 34.499526] SCTPv6 2KB 4KB [ 34.504888] DCCPv6 2KB 7KB [ 34.510246] DCCP 2KB 6KB [ 34.515619] fib6_nodes 0KB 4KB [ 34.520978] ip6_dst_cache 5KB 7KB [ 34.526346] RAWv6 9KB 13KB [ 34.531705] UDPv6 12KB 14KB [ 34.537078] TCPv6 2KB 5KB [ 34.542442] sd_ext_cdb 0KB 3KB [ 34.547807] scsi_sense_cache 80KB 140KB [ 34.553164] virtio_scsi_cmd 16KB 16KB [ 34.558519] sgpool-128 8KB 8KB [ 34.563873] sgpool-64 4KB 6KB [ 34.569226] sgpool-32 70KB 70KB [ 34.574582] sgpool-16 26KB 26KB [ 34.579936] sgpool-8 157KB 157KB [ 34.585293] cfq_io_cq 18KB 19KB [ 34.590647] cfq_queue 28KB 30KB [ 34.596030] mqueue_inode_cache 1KB 7KB [ 34.601487] nfs_commit_data 3KB 7KB [ 34.606844] nfs_write_data 34KB 37KB [ 34.612203] jbd2_inode 1KB 3KB [ 34.617560] ext4_system_zone 0KB 3KB [ 34.623042] bio-1 1KB 3KB [ 34.628413] rpc_buffers 17KB 19KB [ 34.633767] rpc_tasks 2KB 3KB [ 34.639119] UNIX 780KB 780KB [ 34.644479] tcp_bind_bucket 0KB 4KB [ 34.649839] ip_fib_trie 0KB 3KB [ 34.655213] ip_fib_alias 0KB 3KB [ 34.660568] ip_dst_cache 3KB 8KB [ 34.665922] RAW 5KB 7KB [ 34.671276] UDP 29KB 31KB [ 34.676635] TCP 7KB 7KB [ 34.681994] hugetlbfs_inode_cache 1KB 7KB [ 34.687707] eventpoll_pwq 9KB 11KB [ 34.693064] eventpoll_epi 18KB 23KB [ 34.698419] inotify_inode_mark 3KB 7KB [ 34.703859] request_queue 42KB 114KB [ 34.709215] blkdev_ioc 23KB 23KB [ 34.714572] bio-0 273KB 273KB [ 34.719935] biovec-(1<<(21-12)) 429KB 429KB [ 34.725470] biovec-64 97KB 102KB [ 34.730827] biovec-16 15KB 15KB [ 34.736183] bio_integrity_payload 0KB 4KB [ 34.741886] khugepaged_mm_slot 0KB 3KB [ 34.747334] uid_cache 0KB 3KB [ 34.752690] dmaengine-unmap-2 0KB 3KB [ 34.758055] audit_buffer 0KB 3KB [ 34.763413] skbuff_fclone_cache 138KB 142KB [ 34.768946] skbuff_head_cache 1743KB 1743KB [ 34.774319] configfs_dir_cache 0KB 4KB [ 34.779763] file_lock_cache 161KB 166KB [ 34.785120] file_lock_ctx 1KB 3KB [ 34.790475] fsnotify_mark_connector 2KB 3KB [ 34.796352] shmem_inode_cache 1054KB 1058KB [ 34.801708] task_delay_info 320KB 347KB [ 34.807064] sigqueue 365KB 366KB [ 34.812422] kernfs_node_cache 2292KB 2295KB [ 34.817776] mnt_cache 15KB 20KB [ 34.823130] filp 8471KB 8887KB [ 34.828486] names_cache 111668KB 111698KB [ 34.833850] avc_node 37KB 43KB [ 34.839215] selinux_file_security 433KB 488KB [ 34.844915] selinux_inode_security 1950KB 1952KB [ 34.850706] key_jar 3KB 7KB [ 34.856064] nsproxy 0KB 3KB [ 34.861418] vm_area_struct 18662KB 18663KB [ 34.866773] mm_struct 4526KB 4531KB [ 34.872128] fs_cache 429KB 432KB [ 34.877482] files_cache 1593KB 1593KB [ 34.882837] signal_cache 2541KB 2544KB [ 34.888198] sighand_cache 286KB 374KB [ 34.893554] task_struct 10841KB 10841KB [ 34.898915] cred_jar 2355KB 2356KB [ 34.904272] anon_vma_chain 7823KB 7823KB [ 34.909625] anon_vma 183KB 323KB [ 34.914982] pid 222KB 240KB [ 34.920349] Acpi-Operand 106KB 170KB [ 34.925708] Acpi-Parse 0KB 3KB [ 34.931064] Acpi-State 0KB 7KB [ 34.936417] Acpi-Namespace 19KB 23KB [ 34.941774] numa_policy 0KB 3KB [ 34.947130] debug_objects_cache 515KB 516KB [ 34.952662] trace_event_file 145KB 147KB [ 34.958049] ftrace_event_field 257KB 259KB [ 34.963499] pool_workqueue 24KB 28KB [ 34.968860] page->ptl 3106KB 3107KB [ 34.974228] kmalloc-262144 1032KB 1032KB [ 34.979588] kmalloc-131072 650KB 650KB [ 34.984942] kmalloc-65536 264KB 264KB [ 34.990296] kmalloc-32768 825KB 825KB [ 34.995649] kmalloc-16384 181KB 181KB [ 35.001009] kmalloc-8192 519KB 519KB [ 35.006393] kmalloc-4096 7025KB 7063KB [ 35.011749] kmalloc-2048 3227KB 3232KB [ 35.017116] kmalloc-1024 3575KB 3575KB [ 35.022469] kmalloc-512 2766KB 2767KB [ 35.027828] kmalloc-256 1997KB 2553KB [ 35.033189] kmalloc-128 406KB 519KB [ 35.038548] kmalloc-96 2056KB 2056KB [ 35.043913] kmalloc-64 2472KB 2472KB [ 35.049268] kmalloc-32 2409KB 2409KB [ 35.054623] kmalloc-192 912KB 912KB [ 35.059977] kmem_cache 101KB 105KB [ 35.065350] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 35.073946] [ 1826] 0 1826 5366 165 90112 0 -1000 udevd [ 35.082092] [ 3348] 0 3348 2493 573 53248 0 0 dhclient [ 35.090496] [ 3505] 0 3505 14298 172 122880 0 0 rsyslogd [ 35.098906] [ 3560] 0 3560 4725 51 86016 0 0 cron [ 35.106963] [ 3578] 0 3578 3737 44 69632 0 0 mcstransd [ 35.115457] [ 3606] 0 3606 12490 152 139264 0 -1000 sshd [ 35.123513] [ 3630] 0 3630 3694 40 73728 0 0 getty [ 35.131655] [ 3631] 0 3631 3694 38 77824 0 0 getty [ 35.139794] [ 3632] 0 3632 3694 39 69632 0 0 getty [ 35.147933] [ 3633] 0 3633 3694 41 73728 0 0 getty [ 35.156072] [ 3634] 0 3634 3694 41 77824 0 0 getty [ 35.164216] [ 3635] 0 3635 3694 41 73728 0 0 getty [ 35.172356] [ 3636] 0 3636 3649 39 69632 0 0 getty [ 35.180494] [ 3640] 0 3640 5678 454 86016 0 -1000 udevd [ 35.188636] [ 3641] 0 3641 5681 454 86016 0 -1000 udevd [ 35.196771] [ 3658] 0 3658 17821 197 184320 0 0 sshd [ 35.204825] [ 3660] 0 3660 280 1 28672 0 0 syzkaller940240 [ 35.213835] [ 3661] 0 3661 4043 522 32768 0 0 syzkaller940240 [ 35.222844] [ 3662] 0 3662 4043 522 32768 0 0 syzkaller940240 [ 35.231855] [ 3663] 0 3663 4043 522 32768 0 0 syzkaller940240 [ 35.240869] [ 3664] 0 3664 4043 522 32768 0 0 syzkaller940240 [ 35.249880] [ 3665] 0 3665 4043 522 32768 0 0 syzkaller940240 [ 35.259663] [ 3666] 0 3666 4043 522 32768 0 0 syzkaller940240 [ 35.268676] [ 3667] 0 3667 4043 522 32768 0 0 syzkaller940240 [ 35.277688] [ 3668] 0 3668 4043 522 32768 0 0 syzkaller940240 [ 35.286694] Out of memory: Kill process 3348 (dhclient) score 0 or sacrifice child [ 35.294611] Killed process 3348 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 35.309551] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 35.321222] rsyslogd cpuset=/ mems_allowed=0 [ 35.325861] CPU: 0 PID: 3508 Comm: rsyslogd Not tainted 4.15.0-rc8-mm1+ #58 [ 35.332931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.342259] Call Trace: [ 35.344827] dump_stack+0x194/0x257 [ 35.348433] ? arch_local_irq_restore+0x53/0x53 [ 35.353085] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.358264] dump_header+0x28c/0xe2b [ 35.361957] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.367134] ? pagefault_out_of_memory+0x145/0x145 [ 35.372062] ? print_irqtrace_events+0x270/0x270 [ 35.376802] ? avc_has_perm_noaudit+0x37e/0x520 [ 35.381456] ? check_noncircular+0x20/0x20 [ 35.385713] ? reacquire_held_locks+0x1f9/0x3e0 [ 35.390359] ? reacquire_held_locks+0x1f9/0x3e0 [ 35.395001] ? check_noncircular+0x20/0x20 [ 35.399220] ? task_will_free_mem+0x252/0xaa0 [ 35.403698] ? check_noncircular+0x20/0x20 [ 35.407917] ? print_irqtrace_events+0x270/0x270 [ 35.412655] ? ___ratelimit+0x30d/0x630 [ 35.416604] ? lock_downgrade+0x980/0x980 [ 35.421197] ? lock_release+0xa40/0xa40 [ 35.425173] ? mark_held_locks+0xaf/0x100 [ 35.429313] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 35.434400] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.439401] ? trace_hardirqs_on+0xd/0x10 [ 35.443546] ? ___ratelimit+0x95/0x630 [ 35.447426] ? idr_get_free_cmn+0xfd0/0xfd0 [ 35.451744] ? check_noncircular+0x20/0x20 [ 35.455964] oom_kill_process+0x81b/0x9f0 [ 35.460087] ? oom_badness+0xd1/0x980 [ 35.463860] ? lock_release+0xa40/0xa40 [ 35.467814] ? oom_kill_memcg_member+0x20/0x20 [ 35.472376] ? oom_evaluate_task+0x480/0x480 [ 35.476765] ? out_of_memory+0xe1c/0x1790 [ 35.480888] ? lock_downgrade+0x980/0x980 [ 35.485020] ? lock_release+0xa40/0xa40 [ 35.488975] ? find_next_bit+0xcc/0x100 [ 35.492933] ? oom_evaluate_task+0x284/0x480 [ 35.497334] out_of_memory+0x9d5/0x1790 [ 35.501315] ? oom_killer_disable+0x310/0x310 [ 35.505799] ? mutex_trylock+0x23a/0x2d0 [ 35.509833] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 35.514736] ? __lock_is_held+0xb6/0x140 [ 35.518775] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 35.524208] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 35.529046] ? trace_hardirqs_on+0xd/0x10 [ 35.533323] ? warn_alloc+0x2b0/0x2b0 [ 35.537116] ? lock_downgrade+0x980/0x980 [ 35.541271] ? radix_tree_lookup_slot+0x99/0xe0 [ 35.545933] ? find_get_entry+0x53c/0x9e0 [ 35.550075] ? __lock_acquire+0x664/0x3e00 [ 35.554293] ? __lock_is_held+0xb6/0x140 [ 35.558339] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 35.564205] ? __might_sleep+0x95/0x190 [ 35.568159] __alloc_pages_nodemask+0x9fb/0xd80 [ 35.572807] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 35.577797] ? add_to_page_cache_lru+0x510/0x510 [ 35.582534] ? check_noncircular+0x20/0x20 [ 35.586740] ? check_noncircular+0x20/0x20 [ 35.590955] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 35.595727] alloc_pages_current+0xb6/0x1e0 [ 35.600042] __page_cache_alloc+0x334/0x500 [ 35.604355] ? rcu_read_lock_held+0xa9/0xc0 [ 35.608653] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 35.615998] filemap_fault+0xf34/0x1ca0 [ 35.619964] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.625154] ? __lock_page_or_retry+0x4f0/0x4f0 [ 35.629811] ? filemap_map_pages+0x942/0x15d0 [ 35.634289] ? find_get_entries_tag+0xeb0/0xeb0 [ 35.638934] ? lock_downgrade+0x980/0x980 [ 35.643069] ? check_noncircular+0x20/0x20 [ 35.647292] ? find_held_lock+0x35/0x1d0 [ 35.651347] ? print_irqtrace_events+0x270/0x270 [ 35.656084] ? print_irqtrace_events+0x270/0x270 [ 35.660815] ? lock_downgrade+0x980/0x980 [ 35.664947] ? lock_acquire+0x1d5/0x580 [ 35.668894] ? lock_acquire+0x1d5/0x580 [ 35.672841] ? ext4_filemap_fault+0x7a/0xad [ 35.677158] ? lock_release+0xa40/0xa40 [ 35.681120] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 35.686989] ? rcu_note_context_switch+0x710/0x710 [ 35.691899] ? __might_sleep+0x95/0x190 [ 35.695851] ? down_read+0x96/0x150 [ 35.699460] ? ext4_filemap_fault+0x7a/0xad [ 35.703776] ? __down_interruptible+0x6b0/0x6b0 [ 35.708429] ext4_filemap_fault+0x82/0xad [ 35.712557] __do_fault+0xeb/0x315 [ 35.716072] ? SyS_read+0xef/0x220 [ 35.719688] ? pte_offset_kernel+0xc7/0xc7 [ 35.723905] ? do_raw_spin_trylock+0x190/0x190 [ 35.728470] ? check_noncircular+0x20/0x20 [ 35.732688] __handle_mm_fault+0x1d8f/0x3ce0 [ 35.737092] ? __pmd_alloc+0x4e0/0x4e0 [ 35.740968] ? find_held_lock+0x35/0x1d0 [ 35.745017] ? handle_mm_fault+0x2a0/0x930 [ 35.749247] ? lock_downgrade+0x980/0x980 [ 35.753425] handle_mm_fault+0x38f/0x930 [ 35.757500] ? down_read_trylock+0xdb/0x170 [ 35.761805] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 35.766358] ? vmacache_find+0x5f/0x280 [ 35.770311] ? find_vma+0x30/0x150 [ 35.773828] __do_page_fault+0x5c9/0xc90 [ 35.777861] ? vfs_copy_file_range+0x940/0x940 [ 35.782423] ? mm_fault_error+0x2c0/0x2c0 [ 35.786550] ? avc_policy_seqno+0x9/0x20 [ 35.790592] do_page_fault+0xee/0x720 [ 35.794367] ? __do_page_fault+0xc90/0xc90 [ 35.798583] ? fput+0xd2/0x140 [ 35.801749] ? SyS_read+0x184/0x220 [ 35.805355] ? retint_user+0x18/0x18 [ 35.809061] ? page_fault+0x36/0x60 [ 35.812671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.817502] ? page_fault+0x36/0x60 [ 35.821120] page_fault+0x4c/0x60 [ 35.824553] RIP: 0033:0x7f59eebdbcb0 [ 35.828234] RSP: 002b:00007f59ec17be28 EFLAGS: 00010293 [ 35.833575] RAX: 0000000000000121 RBX: 00000000011784b0 RCX: 00007f59eebdc1fd [ 35.840828] RDX: 0000000000000121 RSI: 00007f59ed9b05a0 RDI: 0000000000000000 [ 35.848073] RBP: 0000000000000000 R08: 0000000001163260 R09: 0000000000000000 [ 35.855322] R10: 0000000000000011 R11: 0000000000000293 R12: 000000000065e420 [ 35.862575] R13: 00007f59ec17c9c0 R14: 00007f59ef221040 R15: 0000000000000003 [ 35.870043] Mem-Info: [ 35.872458] active_anon:6101 inactive_anon:63 isolated_anon:0 [ 35.872458] active_file:14 inactive_file:14 isolated_file:0 [ 35.872458] unevictable:0 dirty:0 writeback:0 unstable:0 [ 35.872458] slab_reclaimable:7299 slab_unreclaimable:83487 [ 35.872458] mapped:2 shmem:70 pagetables:306 bounce:0 [ 35.872458] free:24205 free_pcp:247 free_cma:0 [ 35.904565] Node 0 active_anon:24404kB inactive_anon:252kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 35.931473] 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 [ 35.957617] lowmem_reserve[]: 0 2870 6381 6381 [ 35.962222] Node 0 DMA32 free:43944kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.989484] lowmem_reserve[]: 0 0 3510 3510 [ 35.993835] Node 0 Normal free:36968kB min:37088kB low:46360kB high:55632kB active_anon:24376kB inactive_anon:248kB active_file:56kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3104kB pagetables:1224kB bounce:0kB free_pcp:988kB local_pcp:364kB free_cma:0kB [ 36.022654] lowmem_reserve[]: 0 0 0 0 [ 36.026461] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 36.040060] Node 0 DMA32: 6*4kB (M) 4*8kB (M) 5*16kB (M) 1*32kB (M) 2*64kB (M) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 43944kB [ 36.055137] Node 0 Normal: 600*4kB (M) 429*8kB (UM) 335*16kB (MH) 192*32kB (UMH) 101*64kB (M) 37*128kB (M) 27*256kB (M) 3*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 36984kB [ 36.070433] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 36.079006] 98 total pagecache pages [ 36.082741] 0 pages in swap cache [ 36.086185] Swap cache stats: add 0, delete 0, find 0/0 [ 36.091544] Free swap = 0kB [ 36.094554] Total swap = 0kB [ 36.097569] 1965979 pages RAM [ 36.100669] 0 pages HighMem/MovableOnly [ 36.104624] 327775 pages reserved [ 36.108126] Unreclaimable slab info: [ 36.111956] Name Used Total [ 36.117544] hashtab_node 118KB 119KB [ 36.122906] ebitmap_node 383KB 389KB [ 36.128258] avtab_node 1012KB 1013KB [ 36.133632] TIPC 1KB 7KB [ 36.138995] SCTPv6 2KB 4KB [ 36.144358] DCCPv6 2KB 7KB [ 36.149728] DCCP 2KB 6KB [ 36.155118] fib6_nodes 0KB 4KB [ 36.160480] ip6_dst_cache 5KB 7KB [ 36.165832] RAWv6 9KB 13KB [ 36.171202] UDPv6 12KB 14KB [ 36.176572] TCPv6 2KB 5KB [ 36.181932] sd_ext_cdb 0KB 3KB [ 36.187299] scsi_sense_cache 77KB 140KB [ 36.192659] virtio_scsi_cmd 16KB 16KB [ 36.198029] sgpool-128 8KB 8KB [ 36.203398] sgpool-64 4KB 6KB [ 36.208762] sgpool-32 69KB 70KB [ 36.214115] sgpool-16 26KB 26KB [ 36.219492] sgpool-8 156KB 157KB [ 36.224857] cfq_io_cq 18KB 19KB [ 36.230207] cfq_queue 28KB 30KB [ 36.235577] mqueue_inode_cache 1KB 7KB [ 36.241034] nfs_commit_data 3KB 7KB [ 36.246394] nfs_write_data 34KB 37KB [ 36.251763] jbd2_inode 1KB 3KB [ 36.257129] ext4_system_zone 0KB 3KB [ 36.262496] bio-1 1KB 3KB [ 36.267854] rpc_buffers 17KB 19KB [ 36.273214] rpc_tasks 2KB 3KB [ 36.278570] UNIX 780KB 780KB [ 36.283922] tcp_bind_bucket 0KB 4KB [ 36.289298] ip_fib_trie 0KB 3KB [ 36.294655] ip_fib_alias 0KB 3KB [ 36.300029] ip_dst_cache 3KB 8KB [ 36.305414] RAW 5KB 7KB [ 36.310776] UDP 29KB 31KB [ 36.316128] TCP 7KB 7KB [ 36.321501] hugetlbfs_inode_cache 1KB 7KB [ 36.327226] eventpoll_pwq 9KB 11KB [ 36.332583] eventpoll_epi 18KB 23KB [ 36.337932] inotify_inode_mark 3KB 7KB [ 36.343383] request_queue 37KB 91KB [ 36.348751] blkdev_ioc 23KB 23KB [ 36.354100] bio-0 277KB 277KB [ 36.359467] biovec-(1<<(21-12)) 429KB 429KB [ 36.364999] biovec-64 97KB 102KB [ 36.370381] biovec-16 15KB 15KB [ 36.375741] bio_integrity_payload 0KB 4KB [ 36.381455] khugepaged_mm_slot 0KB 3KB [ 36.386906] uid_cache 0KB 3KB [ 36.392256] dmaengine-unmap-2 0KB 3KB [ 36.397625] audit_buffer 0KB 3KB [ 36.402982] skbuff_fclone_cache 138KB 142KB [ 36.408511] skbuff_head_cache 1743KB 1743KB [ 36.413860] configfs_dir_cache 0KB 4KB [ 36.419311] file_lock_cache 161KB 166KB [ 36.424674] file_lock_ctx 1KB 3KB [ 36.430035] fsnotify_mark_connector 2KB 3KB [ 36.435911] shmem_inode_cache 1054KB 1058KB [ 36.441275] task_delay_info 319KB 347KB [ 36.446638] sigqueue 365KB 366KB [ 36.451988] kernfs_node_cache 2292KB 2295KB [ 36.457358] mnt_cache 15KB 20KB [ 36.462820] filp 8437KB 8868KB [ 36.468169] names_cache 111668KB 111698KB [ 36.473537] avc_node 37KB 43KB [ 36.478895] selinux_file_security 429KB 488KB [ 36.484594] selinux_inode_security 1949KB 1952KB [ 36.490385] key_jar 3KB 7KB [ 36.495743] nsproxy 0KB 3KB [ 36.501112] vm_area_struct 18661KB 18663KB [ 36.506471] mm_struct 4523KB 4531KB [ 36.511823] fs_cache 427KB 432KB [ 36.517186] files_cache 1592KB 1593KB [ 36.522545] signal_cache 2540KB 2544KB [ 36.527897] sighand_cache 256KB 360KB [ 36.533258] task_struct 10841KB 10841KB [ 36.538623] cred_jar 2355KB 2356KB [ 36.543974] anon_vma_chain 7822KB 7823KB [ 36.549341] anon_vma 177KB 323KB [ 36.554700] pid 222KB 240KB [ 36.560067] Acpi-Operand 106KB 170KB [ 36.565439] Acpi-State 0KB 3KB [ 36.570799] Acpi-Namespace 19KB 23KB [ 36.576150] numa_policy 0KB 3KB [ 36.581514] debug_objects_cache 515KB 516KB [ 36.587061] trace_event_file 145KB 147KB [ 36.592421] ftrace_event_field 257KB 259KB [ 36.597859] pool_workqueue 24KB 28KB [ 36.603228] page->ptl 3105KB 3107KB [ 36.608604] kmalloc-262144 1032KB 1032KB [ 36.613954] kmalloc-131072 650KB 650KB [ 36.619319] kmalloc-65536 264KB 264KB [ 36.624677] kmalloc-32768 825KB 825KB [ 36.630043] kmalloc-16384 181KB 181KB [ 36.635414] kmalloc-8192 519KB 519KB [ 36.640773] kmalloc-4096 7025KB 7063KB [ 36.646132] kmalloc-2048 3227KB 3232KB [ 36.651498] kmalloc-1024 3575KB 3575KB [ 36.656854] kmalloc-512 2766KB 2767KB [ 36.662203] kmalloc-256 1994KB 2553KB [ 36.667564] kmalloc-128 405KB 519KB [ 36.672920] kmalloc-96 2056KB 2056KB [ 36.678275] kmalloc-64 2472KB 2472KB [ 36.683642] kmalloc-32 2409KB 2409KB [ 36.689133] kmalloc-192 916KB 916KB [ 36.694494] kmem_cache 101KB 105KB [ 36.699844] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 36.708485] [ 1826] 0 1826 5366 165 90112 0 -1000 udevd [ 36.716758] [ 3505] 0 3505 14298 172 122880 0 0 rsyslogd [ 36.725175] [ 3560] 0 3560 4725 51 86016 0 0 cron [ 36.733246] [ 3578] 0 3578 3737 44 69632 0 0 mcstransd [ 36.741744] [ 3606] 0 3606 12490 152 139264 0 -1000 sshd [ 36.749797] [ 3630] 0 3630 3694 40 73728 0 0 getty [ 36.757938] [ 3631] 0 3631 3694 38 77824 0 0 getty [ 36.766075] [ 3632] 0 3632 3694 39 69632 0 0 getty [ 36.774216] [ 3633] 0 3633 3694 41 73728 0 0 getty [ 36.782351] [ 3634] 0 3634 3694 41 77824 0 0 getty [ 36.790486] [ 3635] 0 3635 3694 41 73728 0 0 getty [ 36.798629] [ 3636] 0 3636 3649 39 69632 0 0 getty [ 36.806761] [ 3640] 0 3640 5678 454 86016 0 -1000 udevd [ 36.814895] [ 3641] 0 3641 5681 454 86016 0 -1000 udevd [ 36.823042] [ 3658] 0 3658 17821 197 184320 0 0 sshd [ 36.831112] [ 3660] 0 3660 280 1 28672 0 0 syzkaller940240 [ 36.840165] [ 3661] 0 3661 4043 522 32768 0 0 syzkaller940240 [ 36.849197] [ 3662] 0 3662 4043 522 32768 0 0 syzkaller940240 [ 36.858224] [ 3663] 0 3663 4043 522 32768 0 0 syzkaller940240 [ 36.867260] [ 3664] 0 3664 4043 522 32768 0 0 syzkaller940240 [ 36.876288] [ 3665] 0 3665 4043 522 32768 0 0 syzkaller940240 [ 36.885299] [ 3666] 0 3666 4043 522 32768 0 0 syzkaller940240 [ 36.894319] [ 3667] 0 3667 4043 522 32768 0 0 syzkaller940240 [ 36.903329] [ 3668] 0 3668 4043 522 32768 0 0 syzkaller940240 [ 36.912364] Out of memory: Kill process 3661 (syzkaller940240) score 0 or sacrifice child [ 36.920851] Killed process 3661 (syzkaller940240) total-vm:16172kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 36.959989] oom_reaper: reaped process 3661 (syzkaller940240), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 36.970725] syzkaller940240 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 36.983358] syzkaller940240 cpuset=/ mems_allowed=0 [ 36.988416] CPU: 0 PID: 3662 Comm: syzkaller940240 Not tainted 4.15.0-rc8-mm1+ #58 [ 36.996095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.005420] Call Trace: [ 37.007985] dump_stack+0x194/0x257 [ 37.011587] ? arch_local_irq_restore+0x53/0x53 [ 37.016234] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 37.021404] dump_header+0x28c/0xe2b [ 37.025095] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 37.030273] ? pagefault_out_of_memory+0x145/0x145 [ 37.035183] ? print_irqtrace_events+0x270/0x270 [ 37.039920] ? avc_has_perm_noaudit+0x37e/0x520 [ 37.044570] ? check_noncircular+0x20/0x20 [ 37.048781] ? check_noncircular+0x20/0x20 [ 37.052990] ? print_irqtrace_events+0x270/0x270 [ 37.057736] ? reacquire_held_locks+0x1f9/0x3e0 [ 37.062377] ? reacquire_held_locks+0x1f9/0x3e0 [ 37.067028] ? check_noncircular+0x20/0x20 [ 37.071236] ? task_will_free_mem+0x252/0xaa0 [ 37.075701] ? check_noncircular+0x20/0x20 [ 37.079914] ? print_irqtrace_events+0x270/0x270 [ 37.084650] ? ___ratelimit+0x30d/0x630 [ 37.088598] ? lock_downgrade+0x980/0x980 [ 37.092721] ? lock_release+0xa40/0xa40 [ 37.096672] ? mark_held_locks+0xaf/0x100 [ 37.100798] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 37.105875] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.110861] ? trace_hardirqs_on+0xd/0x10 [ 37.114983] ? ___ratelimit+0x95/0x630 [ 37.118844] ? idr_get_free_cmn+0xfd0/0xfd0 [ 37.123138] ? check_noncircular+0x20/0x20 [ 37.127360] oom_kill_process+0x81b/0x9f0 [ 37.131480] ? oom_badness+0xd1/0x980 [ 37.135254] ? lock_release+0xa40/0xa40 [ 37.139203] ? oom_kill_memcg_member+0x20/0x20 [ 37.143761] ? oom_evaluate_task+0x480/0x480 [ 37.148151] ? out_of_memory+0xe1c/0x1790 [ 37.152272] ? lock_downgrade+0x980/0x980 [ 37.156397] ? lock_release+0xa40/0xa40 [ 37.160368] ? find_next_bit+0xcc/0x100 [ 37.164324] ? oom_evaluate_task+0x284/0x480 [ 37.168711] out_of_memory+0x9d5/0x1790 [ 37.172668] ? oom_killer_disable+0x310/0x310 [ 37.177143] ? mutex_trylock+0x23a/0x2d0 [ 37.181176] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 37.186079] ? __lock_is_held+0xb6/0x140 [ 37.190114] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 37.195552] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 37.200393] ? warn_alloc+0x2b0/0x2b0 [ 37.204172] ? check_noncircular+0x20/0x20 [ 37.208385] ? print_irqtrace_events+0x270/0x270 [ 37.213117] ? check_noncircular+0x20/0x20 [ 37.217321] ? find_held_lock+0x35/0x1d0 [ 37.221365] ? lock_acquire+0x1d5/0x580 [ 37.225320] ? lock_acquire+0x1d5/0x580 [ 37.229288] ? __lock_acquire+0x664/0x3e00 [ 37.233512] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 37.239368] ? lock_release+0xa40/0xa40 [ 37.243336] ? __lock_is_held+0xb6/0x140 [ 37.247384] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 37.253271] ? __might_sleep+0x95/0x190 [ 37.257225] __alloc_pages_nodemask+0x9fb/0xd80 [ 37.261868] ? lock_release+0xa40/0xa40 [ 37.265819] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 37.270816] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 37.275739] ? print_irqtrace_events+0x270/0x270 [ 37.280477] ? __lock_is_held+0xb6/0x140 [ 37.284515] ? find_next_bit+0xcc/0x100 [ 37.288467] pcpu_populate_chunk+0x1b3/0x880 [ 37.292850] ? find_last_bit+0xc7/0xd0 [ 37.296733] pcpu_alloc+0x978/0x10e0 [ 37.300429] ? pcpu_free_area+0xa00/0xa00 [ 37.304555] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 37.309035] ? vmap_page_range_noflush+0x523/0x720 [ 37.313946] ? retint_kernel+0x10/0x10 [ 37.317808] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.322798] ? retint_kernel+0x10/0x10 [ 37.326657] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.331648] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.336383] ? retint_kernel+0x10/0x10 [ 37.340256] __alloc_percpu_gfp+0x27/0x30 [ 37.344381] array_map_alloc+0x794/0x990 [ 37.348423] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 37.353675] SyS_bpf+0x93c/0x4840 [ 37.357104] ? perf_event_mmap+0x115/0x12a0 [ 37.361402] ? bpf_prog_get+0x20/0x20 [ 37.365181] ? perf_event_fork+0x30/0x30 [ 37.369224] ? __lock_is_held+0xb6/0x140 [ 37.373261] ? check_noncircular+0x20/0x20 [ 37.377468] ? vma_wants_writenotify+0x51/0x3b0 [ 37.382116] ? __handle_mm_fault+0x80e/0x3ce0 [ 37.386593] ? check_noncircular+0x20/0x20 [ 37.390800] ? __pmd_alloc+0x4e0/0x4e0 [ 37.394661] ? vma_link+0xe9/0x170 [ 37.398182] ? find_held_lock+0x35/0x1d0 [ 37.402234] ? handle_mm_fault+0x2a0/0x930 [ 37.406447] ? find_held_lock+0x35/0x1d0 [ 37.410487] ? __do_page_fault+0x5f7/0xc90 [ 37.414694] ? lock_downgrade+0x980/0x980 [ 37.419303] ? handle_mm_fault+0x476/0x930 [ 37.423514] ? down_read_trylock+0xdb/0x170 [ 37.427812] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 37.432365] ? vmacache_find+0x5f/0x280 [ 37.436313] ? vmacache_update+0xfe/0x130 [ 37.440440] ? up_read+0x1a/0x40 [ 37.443778] ? __do_page_fault+0x3d6/0xc90 [ 37.447991] ? mm_fault_error+0x2c0/0x2c0 [ 37.452126] ? do_page_fault+0xee/0x720 [ 37.456084] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 37.461595] ? __do_page_fault+0xc90/0xc90 [ 37.465814] ? SyS_mmap_pgoff+0x243/0x5f0 [ 37.469946] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.474691] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 37.479420] RIP: 0033:0x440179 [ 37.482583] RSP: 002b:00007ffc3762cae8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 37.490266] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 37.497510] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 37.504756] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 37.511999] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 37.519256] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 37.526596] Mem-Info: [ 37.529041] active_anon:5561 inactive_anon:63 isolated_anon:0 [ 37.529041] active_file:33 inactive_file:0 isolated_file:0 [ 37.529041] unevictable:0 dirty:5 writeback:3 unstable:0 [ 37.529041] slab_reclaimable:7303 slab_unreclaimable:83031 [ 37.529041] mapped:8 shmem:70 pagetables:297 bounce:0 [ 37.529041] free:24135 free_pcp:47 free_cma:0 [ 37.560995] Node 0 active_anon:22244kB inactive_anon:252kB active_file:132kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:20kB writeback:12kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 37.588083] 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 [ 37.614324] lowmem_reserve[]: 0 2870 6381 6381 [ 37.618916] Node 0 DMA32 free:43944kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 37.646168] lowmem_reserve[]: 0 0 3510 3510 [ 37.650504] Node 0 Normal free:36688kB min:37088kB low:46360kB high:55632kB active_anon:22216kB inactive_anon:248kB active_file:124kB inactive_file:140kB unevictable:0kB writepending:32kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3072kB pagetables:1188kB bounce:0kB free_pcp:188kB local_pcp:120kB free_cma:0kB [ 37.679582] lowmem_reserve[]: 0 0 0 0 [ 37.683386] 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 [ 37.696963] Node 0 DMA32: 6*4kB (M) 4*8kB (M) 5*16kB (M) 1*32kB (M) 2*64kB (M) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 43944kB [ 37.712074] Node 0 Normal: 589*4kB (UME) 416*8kB (UME) 333*16kB (MEH) 193*32kB (UMEH) 102*64kB (UM) 34*128kB (UM) 26*256kB (UM) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36772kB [ 37.728084] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 37.736668] 100 total pagecache pages [ 37.740468] 0 pages in swap cache [ 37.743910] Swap cache stats: add 0, delete 0, find 0/0 [ 37.749259] Free swap = 0kB [ 37.752273] Total swap = 0kB [ 37.755284] 1965979 pages RAM [ 37.758378] 0 pages HighMem/MovableOnly [ 37.762337] 327775 pages reserved [ 37.765776] Unreclaimable slab info: [ 37.769477] Name Used Total [ 37.775006] hashtab_node 118KB 119KB [ 37.780386] ebitmap_node 382KB 389KB [ 37.785743] avtab_node 1012KB 1013KB [ 37.791098] TIPC 1KB 7KB [ 37.796452] SCTPv6 2KB 4KB [ 37.801805] DCCPv6 2KB 7KB [ 37.807158] DCCP 2KB 6KB [ 37.812530] fib6_nodes 0KB 4KB [ 37.817881] ip6_dst_cache 5KB 7KB [ 37.823234] RAWv6 9KB 13KB [ 37.828586] UDPv6 12KB 14KB [ 37.833944] TCPv6 2KB 5KB [ 37.839308] sd_ext_cdb 0KB 3KB [ 37.844665] scsi_sense_cache 74KB 140KB [ 37.850042] virtio_scsi_cmd 16KB 16KB [ 37.855404] sgpool-128 8KB 8KB [ 37.860759] sgpool-64 4KB 6KB [ 37.866113] sgpool-32 70KB 70KB [ 37.871465] sgpool-16 30KB 30KB [ 37.876818] sgpool-8 156KB 157KB [ 37.882173] cfq_io_cq 18KB 19KB [ 37.887524] cfq_queue 28KB 30KB [ 37.892875] mqueue_inode_cache 1KB 7KB [ 37.898319] nfs_commit_data 3KB 7KB [ 37.903678] nfs_write_data 34KB 37KB [ 37.909043] jbd2_inode 1KB 3KB [ 37.914402] ext4_system_zone 0KB 3KB [ 37.919763] bio-1 1KB 3KB [ 37.925120] rpc_buffers 17KB 19KB [ 37.930473] rpc_tasks 2KB 3KB [ 37.935824] UNIX 780KB 780KB [ 37.941183] tcp_bind_bucket 0KB 4KB [ 37.946544] ip_fib_trie 0KB 3KB [ 37.951901] ip_fib_alias 0KB 3KB [ 37.957254] ip_dst_cache 3KB 8KB [ 37.962608] RAW 5KB 7KB [ 37.967961] UDP 29KB 31KB [ 37.973315] TCP 7KB 7KB [ 37.978665] hugetlbfs_inode_cache 1KB 7KB [ 37.984365] eventpoll_pwq 9KB 11KB [ 37.989720] eventpoll_epi 18KB 23KB [ 37.995084] inotify_inode_mark 3KB 7KB [ 38.000529] request_queue 37KB 91KB [ 38.005882] blkdev_ioc 23KB 23KB [ 38.011234] bio-0 281KB 281KB [ 38.016587] biovec-(1<<(21-12)) 429KB 429KB [ 38.022113] biovec-64 102KB 102KB [ 38.027463] biovec-16 15KB 15KB [ 38.032829] bio_integrity_payload 0KB 4KB [ 38.038528] khugepaged_mm_slot 0KB 3KB [ 38.043974] uid_cache 0KB 3KB [ 38.049328] dmaengine-unmap-2 0KB 3KB [ 38.054694] audit_buffer 0KB 3KB [ 38.060060] skbuff_fclone_cache 138KB 142KB [ 38.065594] skbuff_head_cache 1742KB 1743KB [ 38.070959] configfs_dir_cache 0KB 4KB [ 38.076409] file_lock_cache 161KB 166KB [ 38.081767] file_lock_ctx 1KB 3KB [ 38.087124] fsnotify_mark_connector 2KB 3KB [ 38.093031] shmem_inode_cache 1054KB 1058KB [ 38.098391] task_delay_info 318KB 347KB [ 38.103744] sigqueue 366KB 366KB [ 38.109097] kernfs_node_cache 2292KB 2295KB [ 38.114451] mnt_cache 15KB 20KB [ 38.119812] filp 8406KB 8842KB [ 38.125166] names_cache 111022KB 111061KB [ 38.130523] avc_node 37KB 43KB [ 38.135874] selinux_file_security 428KB 488KB [ 38.141569] selinux_inode_security 1949KB 1952KB [ 38.147356] key_jar 3KB 7KB [ 38.152710] nsproxy 0KB 3KB [ 38.158066] vm_area_struct 18657KB 18663KB [ 38.163422] mm_struct 4521KB 4531KB [ 38.168774] fs_cache 425KB 432KB [ 38.174123] files_cache 1592KB 1593KB [ 38.179484] signal_cache 2538KB 2544KB [ 38.184838] sighand_cache 242KB 346KB [ 38.190193] task_struct 10835KB 10841KB [ 38.195553] cred_jar 2355KB 2356KB [ 38.200909] anon_vma_chain 7820KB 7823KB [ 38.206283] anon_vma 145KB 315KB [ 38.211638] pid 221KB 240KB [ 38.216993] Acpi-Operand 106KB 170KB [ 38.222353] Acpi-State 0KB 3KB [ 38.227705] Acpi-Namespace 19KB 23KB [ 38.233059] numa_policy 0KB 3KB [ 38.238412] debug_objects_cache 514KB 516KB [ 38.243947] trace_event_file 145KB 147KB [ 38.249299] ftrace_event_field 257KB 259KB [ 38.254738] pool_workqueue 24KB 28KB [ 38.260092] page->ptl 3104KB 3107KB [ 38.265472] kmalloc-262144 1032KB 1032KB [ 38.270828] kmalloc-131072 650KB 650KB [ 38.276182] kmalloc-65536 264KB 264KB [ 38.281539] kmalloc-32768 825KB 825KB [ 38.286892] kmalloc-16384 181KB 181KB [ 38.292254] kmalloc-8192 519KB 519KB [ 38.297607] kmalloc-4096 6719KB 6757KB [ 38.302959] kmalloc-2048 3227KB 3232KB [ 38.308310] kmalloc-1024 3575KB 3575KB [ 38.313664] kmalloc-512 2764KB 2767KB [ 38.319036] kmalloc-256 1956KB 2523KB [ 38.324393] kmalloc-128 405KB 519KB [ 38.329744] kmalloc-96 2060KB 2060KB [ 38.335097] kmalloc-64 2476KB 2476KB [ 38.340448] kmalloc-32 2409KB 2409KB [ 38.345809] kmalloc-192 916KB 916KB [ 38.351163] kmem_cache 101KB 105KB [ 38.356525] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 38.365113] [ 1826] 0 1826 5366 165 90112 0 -1000 udevd [ 38.373256] [ 3505] 0 3505 14298 172 122880 0 0 rsyslogd [ 38.381656] [ 3560] 0 3560 4725 51 86016 0 0 cron [ 38.389708] [ 3578] 0 3578 3737 44 69632 0 0 mcstransd [ 38.398194] [ 3606] 0 3606 12490 152 139264 0 -1000 sshd [ 38.406249] [ 3630] 0 3630 3694 40 73728 0 0 getty [ 38.414393] [ 3631] 0 3631 3694 38 77824 0 0 getty [ 38.422532] [ 3632] 0 3632 3694 39 69632 0 0 getty [ 38.430672] [ 3633] 0 3633 3694 41 73728 0 0 getty [ 38.438813] [ 3634] 0 3634 3694 41 77824 0 0 getty [ 38.446952] [ 3635] 0 3635 3694 41 73728 0 0 getty [ 38.455095] [ 3636] 0 3636 3649 39 69632 0 0 getty [ 38.463236] [ 3640] 0 3640 5678 454 86016 0 -1000 udevd [ 38.471375] [ 3641] 0 3641 5681 454 86016 0 -1000 udevd [ 38.479512] [ 3658] 0 3658 17821 197 184320 0 0 sshd [ 38.487564] [ 3660] 0 3660 280 1 28672 0 0 syzkaller940240 [ 38.496578] [ 3661] 0 3661 4043 0 28672 0 0 syzkaller940240 [ 38.505589] [ 3662] 0 3662 4043 522 32768 0 0 syzkaller940240 [ 38.514595] [ 3663] 0 3663 4043 522 32768 0 0 syzkaller940240 [ 38.523601] [ 3664] 0 3664 4043 522 32768 0 0 syzkaller940240 [ 38.532607] [ 3665] 0 3665 4043 522 32768 0 0 syzkaller940240 [ 38.541632] [ 3666] 0 3666 4043 522 32768 0 0 syzkaller940240 [ 38.550650] [ 3667] 0 3667 4043 522 32768 0 0 syzkaller940240 [ 38.559674] [ 3668] 0 3668 4043 522 32768 0 0 syzkaller940240 [ 38.568683] Out of memory: Kill process 3662 (syzkaller940240) score 0 or sacrifice child [ 38.577043] Killed process 3662 (syzkaller940240) total-vm:16172kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 38.588057] oom_reaper: reaped process 3662 (syzkaller940240), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 38.600352] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 38.611516] init cpuset=/ mems_allowed=0 [ 38.615617] CPU: 1 PID: 1 Comm: init Not tainted 4.15.0-rc8-mm1+ #58 [ 38.622095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.631443] Call Trace: [ 38.634049] dump_stack+0x194/0x257 [ 38.637672] ? arch_local_irq_restore+0x53/0x53 [ 38.642336] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 38.647533] dump_header+0x28c/0xe2b [ 38.651251] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 38.656448] ? pagefault_out_of_memory+0x145/0x145 [ 38.661377] ? print_irqtrace_events+0x270/0x270 [ 38.666139] ? avc_has_perm_noaudit+0x37e/0x520 [ 38.670792] ? check_noncircular+0x20/0x20 [ 38.675004] ? check_noncircular+0x20/0x20 [ 38.679228] ? print_irqtrace_events+0x270/0x270 [ 38.683970] ? reacquire_held_locks+0x1f9/0x3e0 [ 38.688621] ? reacquire_held_locks+0x1f9/0x3e0 [ 38.693287] ? check_noncircular+0x20/0x20 [ 38.697515] ? task_will_free_mem+0x252/0xaa0 [ 38.701989] ? check_noncircular+0x20/0x20 [ 38.706307] ? print_irqtrace_events+0x270/0x270 [ 38.711063] ? ___ratelimit+0x30d/0x630 [ 38.715027] ? lock_downgrade+0x980/0x980 [ 38.719174] ? lock_release+0xa40/0xa40 [ 38.723147] ? mark_held_locks+0xaf/0x100 [ 38.727289] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 38.732385] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.737390] ? trace_hardirqs_on+0xd/0x10 [ 38.741562] ? ___ratelimit+0x95/0x630 [ 38.745443] ? idr_get_free_cmn+0xfd0/0xfd0 [ 38.749757] ? check_noncircular+0x20/0x20 [ 38.753999] oom_kill_process+0x81b/0x9f0 [ 38.758144] ? oom_badness+0xd1/0x980 [ 38.761933] ? lock_release+0xa40/0xa40 [ 38.765903] ? oom_kill_memcg_member+0x20/0x20 [ 38.770489] ? oom_evaluate_task+0x480/0x480 [ 38.774888] ? out_of_memory+0xe1c/0x1790 [ 38.779020] ? lock_downgrade+0x980/0x980 [ 38.783164] ? lock_release+0xa40/0xa40 [ 38.787128] ? find_next_bit+0xcc/0x100 [ 38.791111] ? oom_evaluate_task+0x284/0x480 [ 38.795519] out_of_memory+0x9d5/0x1790 [ 38.799504] ? oom_killer_disable+0x310/0x310 [ 38.803987] ? mutex_trylock+0x23a/0x2d0 [ 38.808029] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 38.812944] ? __lock_is_held+0xb6/0x140 [ 38.816980] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 38.822434] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 38.827314] ? warn_alloc+0x2b0/0x2b0 [ 38.831104] ? lock_downgrade+0x980/0x980 [ 38.835258] ? radix_tree_lookup_slot+0x99/0xe0 [ 38.839919] ? find_get_entry+0x53c/0x9e0 [ 38.844087] ? __lock_acquire+0x664/0x3e00 [ 38.848336] ? __lock_is_held+0xb6/0x140 [ 38.852416] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 38.858306] ? __might_sleep+0x95/0x190 [ 38.862276] __alloc_pages_nodemask+0x9fb/0xd80 [ 38.866933] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 38.871934] ? add_to_page_cache_lru+0x510/0x510 [ 38.876684] ? check_noncircular+0x20/0x20 [ 38.880916] ? check_noncircular+0x20/0x20 [ 38.885138] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.890145] ? trace_hardirqs_on+0xd/0x10 [ 38.894285] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 38.899063] alloc_pages_current+0xb6/0x1e0 [ 38.903384] __page_cache_alloc+0x334/0x500 [ 38.907699] ? rcu_read_lock_held+0xa9/0xc0 [ 38.912004] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 38.919375] filemap_fault+0xf34/0x1ca0 [ 38.923341] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 38.928537] ? __lock_page_or_retry+0x4f0/0x4f0 [ 38.933211] ? filemap_map_pages+0x942/0x15d0 [ 38.937717] ? __lock_acquire+0x664/0x3e00 [ 38.941935] ? find_get_entries_tag+0xeb0/0xeb0 [ 38.946602] ? check_noncircular+0x20/0x20 [ 38.950830] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 38.955994] ? __lock_acquire+0x664/0x3e00 [ 38.960220] ? print_irqtrace_events+0x270/0x270 [ 38.964956] ? print_irqtrace_events+0x270/0x270 [ 38.969692] ? lock_downgrade+0x980/0x980 [ 38.973838] ? lock_acquire+0x1d5/0x580 [ 38.977783] ? lock_acquire+0x1d5/0x580 [ 38.981737] ? ext4_filemap_fault+0x7a/0xad [ 38.986052] ? __lock_acquire+0x664/0x3e00 [ 38.990278] ? lock_release+0xa40/0xa40 [ 38.994246] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 39.000126] ? rcu_note_context_switch+0x710/0x710 [ 39.005057] ? __might_sleep+0x95/0x190 [ 39.009031] ? down_read+0x96/0x150 [ 39.012643] ? ext4_filemap_fault+0x7a/0xad [ 39.016947] ? __down_interruptible+0x6b0/0x6b0 [ 39.021598] ? check_noncircular+0x20/0x20 [ 39.025821] ext4_filemap_fault+0x82/0xad [ 39.029945] __do_fault+0xeb/0x315 [ 39.033471] ? remove_wait_queue+0x1b4/0x350 [ 39.037863] ? pte_offset_kernel+0xc7/0xc7 [ 39.042080] ? lock_downgrade+0x980/0x980 [ 39.046224] ? lock_release+0xa40/0xa40 [ 39.050202] ? check_noncircular+0x20/0x20 [ 39.054425] ? do_raw_spin_trylock+0x190/0x190 [ 39.058995] __handle_mm_fault+0x1d8f/0x3ce0 [ 39.063402] ? __pmd_alloc+0x4e0/0x4e0 [ 39.067284] ? remove_wait_queue+0x1b4/0x350 [ 39.071686] ? add_wait_queue+0x1a9/0x290 [ 39.075820] ? find_held_lock+0x35/0x1d0 [ 39.079959] ? handle_mm_fault+0x2a0/0x930 [ 39.084177] ? lock_downgrade+0x980/0x980 [ 39.088364] handle_mm_fault+0x38f/0x930 [ 39.092415] ? down_read_trylock+0xdb/0x170 [ 39.096731] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 39.101300] ? vmacache_find+0x5f/0x280 [ 39.105268] ? find_vma+0x30/0x150 [ 39.108797] __do_page_fault+0x5c9/0xc90 [ 39.112835] ? kernel_wait4+0x26e/0x370 [ 39.116789] ? mm_fault_error+0x2c0/0x2c0 [ 39.120922] ? task_stopped_code+0x140/0x140 [ 39.125317] ? exit_to_usermode_loop+0x8c/0x2f0 [ 39.129970] do_page_fault+0xee/0x720 [ 39.133750] ? SYSC_wait4+0xd8/0x140 [ 39.137446] ? __do_page_fault+0xc90/0xc90 [ 39.141674] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 39.147203] ? SyS_select+0x1ae/0x230 [ 39.151354] ? entry_SYSCALL_64_fastpath+0x55/0xa0 [ 39.156276] ? page_fault+0x36/0x60 [ 39.159885] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.164714] ? page_fault+0x36/0x60 [ 39.168335] page_fault+0x4c/0x60 [ 39.171771] RIP: 0033:0x7f3c31e341a0 [ 39.175463] RSP: 002b:00007ffce7234a40 EFLAGS: 00010202 [ 39.180810] RAX: 0000000000000000 RBX: 00007ffce7235190 RCX: 00007f3c31eafa3e [ 39.188058] RDX: 0000000000000001 RSI: 00007ffce7234a1c RDI: ffffffffffffffff [ 39.195315] RBP: 00007ffce7235340 R08: 00007ffce72353c0 R09: 0000000000000001 [ 39.202572] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 39.209825] R13: 00007ffce7235720 R14: 0000000000000000 R15: 0000000000000000 [ 39.217183] Mem-Info: [ 39.219621] active_anon:5045 inactive_anon:63 isolated_anon:0 [ 39.219621] active_file:1 inactive_file:25 isolated_file:0 [ 39.219621] unevictable:0 dirty:3 writeback:4 unstable:0 [ 39.219621] slab_reclaimable:7303 slab_unreclaimable:83033 [ 39.219621] mapped:3 shmem:70 pagetables:297 bounce:0 [ 39.219621] free:24209 free_pcp:86 free_cma:0 [ 39.252015] Node 0 active_anon:20180kB inactive_anon:252kB active_file:4kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:12kB writeback:16kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 39.279217] 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 [ 39.305369] lowmem_reserve[]: 0 2870 6381 6381 [ 39.309982] Node 0 DMA32 free:43944kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 39.337250] lowmem_reserve[]: 0 0 3510 3510 [ 39.341610] Node 0 Normal free:36984kB min:37088kB low:46360kB high:55632kB active_anon:20152kB inactive_anon:248kB active_file:104kB inactive_file:0kB unevictable:0kB writepending:28kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3072kB pagetables:1188kB bounce:0kB free_pcp:344kB local_pcp:100kB free_cma:0kB [ 39.370542] lowmem_reserve[]: 0 0 0 0 [ 39.374383] 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 [ 39.388035] Node 0 DMA32: 6*4kB (M) 4*8kB (M) 5*16kB (M) 1*32kB (M) 2*64kB (M) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 43944kB [ 39.403174] Node 0 Normal: 554*4kB (UME) 414*8kB (UME) 334*16kB (UMEH) 192*32kB (MEH) 102*64kB (UM) 33*128kB (M) 26*256kB (UM) 3*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 36984kB [ 39.419423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 39.427989] 106 total pagecache pages [ 39.431791] 0 pages in swap cache [ 39.435246] Swap cache stats: add 0, delete 0, find 0/0 [ 39.440616] Free swap = 0kB [ 39.443659] Total swap = 0kB [ 39.446690] 1965979 pages RAM [ 39.449797] 0 pages HighMem/MovableOnly [ 39.453773] 327775 pages reserved [ 39.457228] Unreclaimable slab info: [ 39.460936] Name Used Total [ 39.466480] hashtab_node 118KB 119KB [ 39.471842] ebitmap_node 382KB 389KB [ 39.477214] avtab_node 1012KB 1013KB [ 39.482591] TIPC 1KB 7KB [ 39.487958] SCTPv6 2KB 4KB [ 39.493336] DCCPv6 2KB 7KB [ 39.498721] DCCP 2KB 6KB [ 39.504113] fib6_nodes 0KB 4KB [ 39.509488] ip6_dst_cache 5KB 7KB [ 39.514849] RAWv6 9KB 13KB [ 39.520215] UDPv6 12KB 14KB [ 39.525594] TCPv6 2KB 5KB [ 39.530969] sd_ext_cdb 0KB 3KB [ 39.536337] scsi_sense_cache 74KB 140KB [ 39.541713] virtio_scsi_cmd 16KB 16KB [ 39.547093] sgpool-128 8KB 8KB [ 39.552469] sgpool-64 4KB 6KB [ 39.557830] sgpool-32 78KB 78KB [ 39.563200] sgpool-16 30KB 30KB [ 39.568576] sgpool-8 156KB 157KB [ 39.573948] cfq_io_cq 18KB 19KB [ 39.579315] cfq_queue 25KB 30KB [ 39.584695] mqueue_inode_cache 1KB 7KB [ 39.590161] nfs_commit_data 3KB 7KB [ 39.595534] nfs_write_data 34KB 37KB [ 39.600899] jbd2_inode 1KB 3KB [ 39.606267] ext4_system_zone 0KB 3KB [ 39.611655] bio-1 1KB 3KB [ 39.617047] rpc_buffers 17KB 19KB [ 39.622426] rpc_tasks 2KB 3KB [ 39.627798] UNIX 780KB 780KB [ 39.633176] tcp_bind_bucket 0KB 4KB [ 39.638557] ip_fib_trie 0KB 3KB [ 39.643918] ip_fib_alias 0KB 3KB [ 39.649274] ip_dst_cache 3KB 8KB [ 39.654648] RAW 5KB 7KB [ 39.660030] UDP 29KB 31KB [ 39.665411] TCP 7KB 7KB [ 39.670772] hugetlbfs_inode_cache 1KB 7KB [ 39.676491] eventpoll_pwq 9KB 11KB [ 39.681854] eventpoll_epi 18KB 23KB [ 39.687224] inotify_inode_mark 3KB 7KB [ 39.692696] request_queue 37KB 91KB [ 39.698074] blkdev_ioc 23KB 23KB [ 39.703452] bio-0 281KB 281KB [ 39.708815] biovec-(1<<(21-12)) 429KB 429KB [ 39.714371] biovec-64 102KB 102KB [ 39.719749] biovec-16 15KB 15KB [ 39.725122] bio_integrity_payload 0KB 4KB [ 39.730841] khugepaged_mm_slot 0KB 3KB [ 39.736308] uid_cache 0KB 3KB [ 39.741686] dmaengine-unmap-2 0KB 3KB [ 39.747064] audit_buffer 0KB 3KB [ 39.752440] skbuff_fclone_cache 138KB 142KB [ 39.757979] skbuff_head_cache 1742KB 1743KB [ 39.763346] configfs_dir_cache 0KB 4KB [ 39.768794] file_lock_cache 161KB 166KB [ 39.774160] file_lock_ctx 1KB 3KB [ 39.779535] fsnotify_mark_connector 2KB 3KB [ 39.785436] shmem_inode_cache 1054KB 1058KB [ 39.790798] task_delay_info 318KB 347KB [ 39.796170] sigqueue 365KB 366KB [ 39.801548] kernfs_node_cache 2292KB 2295KB [ 39.806911] mnt_cache 15KB 20KB [ 39.812281] filp 8400KB 8831KB [ 39.817659] names_cache 111014KB 111052KB [ 39.823044] avc_node 37KB 43KB [ 39.828420] selinux_file_security 427KB 488KB [ 39.834142] selinux_inode_security 1949KB 1952KB [ 39.839937] key_jar 3KB 7KB [ 39.845308] nsproxy 0KB 3KB [ 39.850684] vm_area_struct 18657KB 18663KB [ 39.856059] mm_struct 4521KB 4531KB [ 39.861434] fs_cache 425KB 432KB [ 39.866796] files_cache 1592KB 1593KB [ 39.872512] signal_cache 2538KB 2544KB [ 39.877883] sighand_cache 242KB 346KB [ 39.883250] task_struct 10835KB 10841KB [ 39.888635] cred_jar 2355KB 2356KB [ 39.893995] anon_vma_chain 7820KB 7823KB [ 39.899373] anon_vma 139KB 315KB [ 39.904751] pid 221KB 240KB [ 39.910123] Acpi-Operand 106KB 170KB [ 39.915499] Acpi-State 0KB 3KB [ 39.920859] Acpi-Namespace 19KB 23KB [ 39.926234] numa_policy 0KB 3KB [ 39.931615] debug_objects_cache 512KB 516KB [ 39.937162] trace_event_file 145KB 147KB [ 39.942540] ftrace_event_field 257KB 259KB [ 39.947985] pool_workqueue 24KB 28KB [ 39.953361] page->ptl 3104KB 3107KB [ 39.958746] kmalloc-262144 1032KB 1032KB [ 39.964113] kmalloc-131072 650KB 650KB [ 39.969489] kmalloc-65536 264KB 264KB [ 39.974851] kmalloc-32768 825KB 825KB [ 39.980220] kmalloc-16384 181KB 181KB [ 39.985594] kmalloc-8192 519KB 519KB [ 39.990957] kmalloc-4096 6710KB 6749KB [ 39.996325] kmalloc-2048 3227KB 3232KB [ 40.001700] kmalloc-1024 3575KB 3575KB [ 40.007075] kmalloc-512 2764KB 2767KB [ 40.012449] kmalloc-256 1953KB 2516KB [ 40.017824] kmalloc-128 405KB 519KB [ 40.023194] kmalloc-96 2060KB 2060KB [ 40.028568] kmalloc-64 2476KB 2476KB [ 40.033933] kmalloc-32 2409KB 2409KB [ 40.039303] kmalloc-192 916KB 916KB [ 40.044686] kmem_cache 101KB 105KB [ 40.050060] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 40.058684] [ 1826] 0 1826 5366 165 90112 0 -1000 udevd [ 40.066838] [ 3505] 0 3505 14298 172 122880 0 0 rsyslogd [ 40.075259] [ 3560] 0 3560 4725 51 86016 0 0 cron [ 40.083336] [ 3578] 0 3578 3737 44 69632 0 0 mcstransd [ 40.091831] [ 3606] 0 3606 12490 152 139264 0 -1000 sshd [ 40.099884] [ 3630] 0 3630 3694 40 73728 0 0 getty [ 40.108046] [ 3631] 0 3631 3694 38 77824 0 0 getty [ 40.116209] [ 3632] 0 3632 3694 39 69632 0 0 getty [ 40.124372] [ 3633] 0 3633 3694 41 73728 0 0 getty [ 40.132536] [ 3634] 0 3634 3694 41 77824 0 0 getty [ 40.140700] [ 3635] 0 3635 3694 41 73728 0 0 getty [ 40.148849] [ 3636] 0 3636 3649 39 69632 0 0 getty [ 40.156983] [ 3640] 0 3640 5678 454 86016 0 -1000 udevd [ 40.165142] [ 3641] 0 3641 5681 454 86016 0 -1000 udevd [ 40.173311] [ 3658] 0 3658 17821 197 184320 0 0 sshd [ 40.181388] [ 3660] 0 3660 280 1 28672 0 0 syzkaller940240 [ 40.190417] [ 3661] 0 3661 4043 0 28672 0 0 syzkaller940240 [ 40.199448] [ 3662] 0 3662 4043 0 28672 0 0 syzkaller940240 [ 40.208482] [ 3663] 0 3663 4043 522 32768 0 0 syzkaller940240 [ 40.217516] [ 3664] 0 3664 4043 522 32768 0 0 syzkaller940240 [ 40.226546] [ 3665] 0 3665 4043 522 32768 0 0 syzkaller940240 [ 40.235575] [ 3666] 0 3666 4043 522 32768 0 0 syzkaller940240 [ 40.244616] [ 3667] 0 3667 4043 522 32768 0 0 syzkaller940240 [ 40.253647] [ 3668] 0 3668 4043 522 32768 0 0 syzkaller940240 [ 40.262674] Out of memory: Kill process 3663 (syzkaller940240) score 0 or sacrifice child [ 40.271041] Killed process 3663 (syzkaller940240) total-vm:16172kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 40.290718] oom_reaper: reaped process 3663 (syzkaller940240), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 40.301743] syzkaller940240 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 40.314070] syzkaller940240 cpuset=/ mems_allowed=0 [ 40.319103] CPU: 1 PID: 3665 Comm: syzkaller940240 Not tainted 4.15.0-rc8-mm1+ #58 [ 40.326867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.336193] Call Trace: [ 40.338760] dump_stack+0x194/0x257 [ 40.342364] ? arch_local_irq_restore+0x53/0x53 [ 40.347010] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.352191] dump_header+0x28c/0xe2b [ 40.355885] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.361052] ? pagefault_out_of_memory+0x145/0x145 [ 40.365958] ? print_irqtrace_events+0x270/0x270 [ 40.370694] ? avc_has_perm_noaudit+0x37e/0x520 [ 40.375338] ? check_noncircular+0x20/0x20 [ 40.379544] ? check_noncircular+0x20/0x20 [ 40.383751] ? print_irqtrace_events+0x270/0x270 [ 40.388492] ? reacquire_held_locks+0x1f9/0x3e0 [ 40.393130] ? reacquire_held_locks+0x1f9/0x3e0 [ 40.397772] ? check_noncircular+0x20/0x20 [ 40.401981] ? task_will_free_mem+0x252/0xaa0 [ 40.406448] ? check_noncircular+0x20/0x20 [ 40.410659] ? print_irqtrace_events+0x270/0x270 [ 40.415394] ? ___ratelimit+0x30d/0x630 [ 40.419341] ? lock_downgrade+0x980/0x980 [ 40.423465] ? lock_release+0xa40/0xa40 [ 40.427417] ? mark_held_locks+0xaf/0x100 [ 40.431540] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 40.436616] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.441605] ? trace_hardirqs_on+0xd/0x10 [ 40.445732] ? ___ratelimit+0x95/0x630 [ 40.449594] ? idr_get_free_cmn+0xfd0/0xfd0 [ 40.453889] ? check_noncircular+0x20/0x20 [ 40.458107] oom_kill_process+0x81b/0x9f0 [ 40.462226] ? oom_badness+0xd1/0x980 [ 40.465997] ? lock_release+0xa40/0xa40 [ 40.469954] ? oom_kill_memcg_member+0x20/0x20 [ 40.474511] ? oom_evaluate_task+0x480/0x480 [ 40.478899] ? out_of_memory+0xe1c/0x1790 [ 40.483025] ? lock_downgrade+0x980/0x980 [ 40.487151] ? lock_release+0xa40/0xa40 [ 40.491098] ? find_next_bit+0xcc/0x100 [ 40.495073] ? oom_evaluate_task+0x284/0x480 [ 40.499482] out_of_memory+0x9d5/0x1790 [ 40.503463] ? oom_killer_disable+0x310/0x310 [ 40.507960] ? mutex_trylock+0x23a/0x2d0 [ 40.512014] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 40.516925] ? __lock_is_held+0xb6/0x140 [ 40.520962] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 40.526396] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 40.531242] ? warn_alloc+0x2b0/0x2b0 [ 40.535031] ? lock_release+0xa40/0xa40 [ 40.538984] ? print_irqtrace_events+0x270/0x270 [ 40.543725] ? mutex_spin_on_owner+0x446/0xb50 [ 40.548297] ? __lock_acquire+0x664/0x3e00 [ 40.552510] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.558367] ? lock_release+0xa40/0xa40 [ 40.562333] ? __lock_is_held+0xb6/0x140 [ 40.566384] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.572249] ? __might_sleep+0x95/0x190 [ 40.576206] __alloc_pages_nodemask+0x9fb/0xd80 [ 40.580855] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 40.585849] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 40.590754] ? print_irqtrace_events+0x270/0x270 [ 40.595486] ? __lock_is_held+0xb6/0x140 [ 40.599527] ? find_next_bit+0xcc/0x100 [ 40.603484] pcpu_populate_chunk+0x1b3/0x880 [ 40.607867] ? find_last_bit+0xc7/0xd0 [ 40.611736] pcpu_alloc+0x978/0x10e0 [ 40.615431] ? pcpu_free_area+0xa00/0xa00 [ 40.619559] ? vmap_page_range_noflush+0x523/0x720 [ 40.624473] ? retint_kernel+0x10/0x10 [ 40.628334] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.633327] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.638064] ? retint_kernel+0x10/0x10 [ 40.641937] __alloc_percpu_gfp+0x27/0x30 [ 40.646068] array_map_alloc+0x794/0x990 [ 40.650111] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 40.655362] SyS_bpf+0x93c/0x4840 [ 40.658789] ? perf_event_mmap+0x115/0x12a0 [ 40.663086] ? bpf_prog_get+0x20/0x20 [ 40.666863] ? perf_event_fork+0x30/0x30 [ 40.670909] ? __lock_is_held+0xb6/0x140 [ 40.674945] ? check_noncircular+0x20/0x20 [ 40.679154] ? vma_wants_writenotify+0x51/0x3b0 [ 40.683802] ? __handle_mm_fault+0x80e/0x3ce0 [ 40.688281] ? check_noncircular+0x20/0x20 [ 40.692486] ? __pmd_alloc+0x4e0/0x4e0 [ 40.696345] ? vma_link+0xe9/0x170 [ 40.699865] ? find_held_lock+0x35/0x1d0 [ 40.703908] ? handle_mm_fault+0x2a0/0x930 [ 40.708117] ? find_held_lock+0x35/0x1d0 [ 40.712168] ? __do_page_fault+0x5f7/0xc90 [ 40.716379] ? lock_downgrade+0x980/0x980 [ 40.720513] ? handle_mm_fault+0x476/0x930 [ 40.724718] ? down_read_trylock+0xdb/0x170 [ 40.729022] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 40.733585] ? vmacache_find+0x5f/0x280 [ 40.737531] ? vmacache_update+0xfe/0x130 [ 40.741662] ? up_read+0x1a/0x40 [ 40.745005] ? __do_page_fault+0x3d6/0xc90 [ 40.749226] ? mm_fault_error+0x2c0/0x2c0 [ 40.753358] ? do_page_fault+0xee/0x720 [ 40.757303] ? __do_page_fault+0xc90/0xc90 [ 40.761517] ? SyS_mmap_pgoff+0x243/0x5f0 [ 40.765660] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.770399] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 40.775129] RIP: 0033:0x440179 [ 40.778292] RSP: 002b:00007ffc3762cae8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 40.785976] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 40.793218] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 40.800464] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 40.807709] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 40.814953] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 40.822279] Mem-Info: [ 40.824720] active_anon:4528 inactive_anon:63 isolated_anon:0 [ 40.824720] active_file:19 inactive_file:9 isolated_file:0 [ 40.824720] unevictable:0 dirty:0 writeback:0 unstable:0 [ 40.824720] slab_reclaimable:7303 slab_unreclaimable:82992 [ 40.824720] mapped:2 shmem:70 pagetables:296 bounce:0 [ 40.824720] free:24170 free_pcp:70 free_cma:0 [ 40.856688] Node 0 active_anon:18112kB inactive_anon:252kB active_file:76kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 40.883513] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 40.909650] lowmem_reserve[]: 0 2870 6381 6381 [ 40.914258] Node 0 DMA32 free:43944kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:16kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 40.941613] lowmem_reserve[]: 0 0 3510 3510 [ 40.945949] Node 0 Normal free:36828kB min:37088kB low:46360kB high:55632kB active_anon:18084kB inactive_anon:248kB active_file:60kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3072kB pagetables:1184kB bounce:0kB free_pcp:280kB local_pcp:268kB free_cma:0kB [ 40.974778] lowmem_reserve[]: 0 0 0 0 [ 40.978592] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 40.992180] Node 0 DMA32: 6*4kB (M) 4*8kB (M) 5*16kB (M) 1*32kB (M) 2*64kB (M) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 43944kB [ 41.007250] Node 0 Normal: 567*4kB (UMEH) 422*8kB (UME) 335*16kB (UMEH) 194*32kB (UMEH) 101*64kB (M) 33*128kB (M) 25*256kB (M) 3*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 36860kB [ 41.023459] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 41.032047] 98 total pagecache pages [ 41.035768] 0 pages in swap cache [ 41.039213] Swap cache stats: add 0, delete 0, find 0/0 [ 41.044576] Free swap = 0kB [ 41.047586] Total swap = 0kB [ 41.050593] 1965979 pages RAM [ 41.053685] 0 pages HighMem/MovableOnly [ 41.057650] 327775 pages reserved [ 41.061091] Unreclaimable slab info: [ 41.064798] Name Used Total [ 41.070331] hashtab_node 118KB 119KB [ 41.075685] ebitmap_node 382KB 389KB [ 41.081751] avtab_node 1012KB 1013KB [ 41.087114] TIPC 1KB 7KB [ 41.092474] SCTPv6 2KB 4KB [ 41.097831] DCCPv6 2KB 7KB [ 41.103192] DCCP 2KB 6KB [ 41.108562] fib6_nodes 0KB 4KB [ 41.113922] ip6_dst_cache 7KB 7KB [ 41.119288] RAWv6 9KB 13KB [ 41.124645] UDPv6 12KB 14KB [ 41.129999] TCPv6 2KB 5KB [ 41.135406] sd_ext_cdb 0KB 3KB [ 41.140763] scsi_sense_cache 73KB 140KB [ 41.146121] virtio_scsi_cmd 16KB 16KB [ 41.151480] sgpool-128 8KB 8KB [ 41.156835] sgpool-64 4KB 6KB [ 41.162189] sgpool-32 73KB 78KB [ 41.167545] sgpool-16 26KB 30KB [ 41.172900] sgpool-8 157KB 157KB [ 41.178256] cfq_io_cq 16KB 19KB [ 41.183613] cfq_queue 24KB 30KB [ 41.188968] mqueue_inode_cache 1KB 7KB [ 41.194412] nfs_commit_data 3KB 7KB [ 41.199774] nfs_write_data 34KB 37KB [ 41.205133] jbd2_inode 1KB 3KB [ 41.210491] ext4_system_zone 0KB 3KB [ 41.215863] bio-1 1KB 3KB [ 41.221229] rpc_buffers 17KB 19KB [ 41.226587] rpc_tasks 2KB 3KB [ 41.231951] UNIX 780KB 780KB [ 41.237308] tcp_bind_bucket 0KB 4KB [ 41.242664] ip_fib_trie 0KB 3KB [ 41.248048] ip_fib_alias 0KB 3KB [ 41.253878] ip_dst_cache 3KB 8KB [ 41.259236] RAW 5KB 7KB [ 41.264593] UDP 29KB 31KB [ 41.269952] TCP 7KB 7KB [ 41.275309] hugetlbfs_inode_cache 1KB 7KB [ 41.281033] eventpoll_pwq 9KB 11KB [ 41.286396] eventpoll_epi 18KB 23KB [ 41.291752] inotify_inode_mark 3KB 7KB [ 41.297197] request_queue 34KB 68KB [ 41.302561] blkdev_ioc 22KB 23KB [ 41.307919] bio-0 285KB 285KB [ 41.313296] biovec-(1<<(21-12)) 429KB 429KB [ 41.318854] biovec-64 101KB 102KB [ 41.324233] biovec-16 14KB 15KB [ 41.329598] bio_integrity_payload 0KB 4KB [ 41.335304] khugepaged_mm_slot 0KB 3KB [ 41.340750] uid_cache 0KB 3KB [ 41.346109] dmaengine-unmap-2 0KB 3KB [ 41.351470] audit_buffer 0KB 3KB [ 41.356830] skbuff_fclone_cache 138KB 142KB [ 41.362367] skbuff_head_cache 1743KB 1743KB [ 41.367722] configfs_dir_cache 0KB 4KB [ 41.373167] file_lock_cache 161KB 166KB [ 41.378522] file_lock_ctx 1KB 3KB [ 41.383880] fsnotify_mark_connector 2KB 3KB [ 41.389761] shmem_inode_cache 1054KB 1058KB [ 41.395121] task_delay_info 318KB 347KB [ 41.400485] sigqueue 365KB 366KB [ 41.405842] kernfs_node_cache 2292KB 2295KB [ 41.411211] mnt_cache 15KB 20KB [ 41.416569] filp 8358KB 8801KB [ 41.421928] names_cache 110997KB 111035KB [ 41.427290] avc_node 37KB 43KB [ 41.432658] selinux_file_security 423KB 488KB [ 41.438363] selinux_inode_security 1948KB 1952KB [ 41.444351] key_jar 3KB 7KB [ 41.449712] nsproxy 0KB 3KB [ 41.455074] vm_area_struct 18654KB 18663KB [ 41.460432] mm_struct 4520KB 4531KB [ 41.465790] fs_cache 425KB 432KB [ 41.471150] files_cache 1592KB 1593KB [ 41.476509] signal_cache 2538KB 2544KB [ 41.481866] sighand_cache 228KB 333KB [ 41.487230] task_struct 10835KB 10835KB [ 41.492595] cred_jar 2354KB 2356KB [ 41.497953] anon_vma_chain 7819KB 7823KB [ 41.503312] anon_vma 132KB 315KB [ 41.508668] pid 221KB 240KB [ 41.514034] Acpi-Operand 106KB 170KB [ 41.519404] Acpi-Namespace 19KB 23KB [ 41.524760] numa_policy 0KB 3KB [ 41.530119] debug_objects_cache 512KB 516KB [ 41.535652] trace_event_file 145KB 147KB [ 41.541043] ftrace_event_field 257KB 259KB [ 41.546499] pool_workqueue 24KB 28KB [ 41.551857] page->ptl 3104KB 3107KB [ 41.557233] kmalloc-262144 1032KB 1032KB [ 41.562591] kmalloc-131072 650KB 650KB [ 41.567946] kmalloc-65536 264KB 264KB [ 41.573300] kmalloc-32768 825KB 825KB [ 41.578655] kmalloc-16384 181KB 181KB [ 41.584033] kmalloc-8192 519KB 519KB [ 41.589401] kmalloc-4096 6693KB 6732KB [ 41.594758] kmalloc-2048 3227KB 3232KB [ 41.600118] kmalloc-1024 3575KB 3575KB [ 41.605475] kmalloc-512 2767KB 2767KB [ 41.610834] kmalloc-256 1949KB 2516KB [ 41.616190] kmalloc-128 404KB 519KB [ 41.621548] kmalloc-96 2060KB 2060KB [ 41.626902] kmalloc-64 2476KB 2476KB [ 41.632256] kmalloc-32 2402KB 2409KB [ 41.637617] kmalloc-192 914KB 916KB [ 41.642979] kmem_cache 101KB 105KB [ 41.648335] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 41.656925] [ 1826] 0 1826 5366 165 90112 0 -1000 udevd [ 41.665073] [ 3505] 0 3505 14298 172 122880 0 0 rsyslogd [ 41.673494] [ 3560] 0 3560 4725 51 86016 0 0 cron [ 41.681551] [ 3578] 0 3578 3737 44 69632 0 0 mcstransd [ 41.690053] [ 3606] 0 3606 12490 152 139264 0 -1000 sshd [ 41.698113] [ 3630] 0 3630 3694 40 73728 0 0 getty [ 41.706261] [ 3631] 0 3631 3694 38 77824 0 0 getty [ 41.714411] [ 3632] 0 3632 3694 39 69632 0 0 getty [ 41.722559] [ 3633] 0 3633 3694 41 73728 0 0 getty [ 41.730704] [ 3634] 0 3634 3694 41 77824 0 0 getty [ 41.738851] [ 3635] 0 3635 3694 41 73728 0 0 getty [ 41.746998] [ 3636] 0 3636 3649 39 69632 0 0 getty [ 41.755161] [ 3640] 0 3640 5678 454 86016 0 -1000 udevd [ 41.763328] [ 3641] 0 3641 5681 454 86016 0 -1000 udevd [ 41.771496] [ 3658] 0 3658 17821 197 184320 0 0 sshd [ 41.779557] [ 3660] 0 3660 280 1 28672 0 0 syzkaller940240 [ 41.788569] [ 3661] 0 3661 4043 0 28672 0 0 syzkaller940240 [ 41.797577] [ 3662] 0 3662 4043 0 28672 0 0 syzkaller940240 [ 41.806585] [ 3663] 0 3663 4043 0 28672 0 0 syzkaller940240 [ 41.815592] [ 3664] 0 3664 4043 522 32768 0 0 syzkaller940240 [ 41.824601] [ 3665] 0 3665 4043 522 32768 0 0 syzkaller940240 [ 41.833608] [ 3666] 0 3666 4043 522 32768 0 0 syzkaller940240 [ 41.842616] [ 3667] 0 3667 4043 522 32768 0 0 syzkaller940240 [ 41.851622] [ 3668] 0 3668 4043 522 32768 0 0 syzkaller940240 [ 41.860627] Out of memory: Kill process 3664 (syzkaller940240) score 0 or sacrifice child [ 41.868950] Killed process 3664 (syzkaller940240) total-vm:16172kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 41.881618] oom_reaper: reaped process 3664 (syzkaller940240), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 41.892485] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 41.903965] udevd cpuset=/ mems_allowed=0 [ 41.908155] CPU: 1 PID: 1826 Comm: udevd Not tainted 4.15.0-rc8-mm1+ #58 [ 41.914983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.924320] Call Trace: [ 41.926885] dump_stack+0x194/0x257 [ 41.930490] ? arch_local_irq_restore+0x53/0x53 [ 41.935137] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 41.940310] dump_header+0x28c/0xe2b [ 41.944011] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 41.949185] ? pagefault_out_of_memory+0x145/0x145 [ 41.954088] ? print_irqtrace_events+0x270/0x270 [ 41.958821] ? avc_has_perm_noaudit+0x37e/0x520 [ 41.963464] ? check_noncircular+0x20/0x20 [ 41.967670] ? check_noncircular+0x20/0x20 [ 41.971885] ? print_irqtrace_events+0x270/0x270 [ 41.976615] ? reacquire_held_locks+0x1f9/0x3e0 [ 41.981263] ? reacquire_held_locks+0x1f9/0x3e0 [ 41.985907] ? check_noncircular+0x20/0x20 [ 41.990117] ? task_will_free_mem+0x252/0xaa0 [ 41.994589] ? check_noncircular+0x20/0x20 [ 41.998799] ? print_irqtrace_events+0x270/0x270 [ 42.003535] ? ___ratelimit+0x30d/0x630 [ 42.007483] ? lock_downgrade+0x980/0x980 [ 42.011622] ? lock_release+0xa40/0xa40 [ 42.015572] ? mark_held_locks+0xaf/0x100 [ 42.019694] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 42.024771] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.029764] ? trace_hardirqs_on+0xd/0x10 [ 42.033887] ? ___ratelimit+0x95/0x630 [ 42.037746] ? idr_get_free_cmn+0xfd0/0xfd0 [ 42.042041] ? check_noncircular+0x20/0x20 [ 42.046255] oom_kill_process+0x81b/0x9f0 [ 42.050393] ? oom_badness+0xd1/0x980 [ 42.054166] ? lock_release+0xa40/0xa40 [ 42.058114] ? oom_kill_memcg_member+0x20/0x20 [ 42.062677] ? oom_evaluate_task+0x480/0x480 [ 42.067062] ? out_of_memory+0xe1c/0x1790 [ 42.071182] ? lock_downgrade+0x980/0x980 [ 42.075305] ? lock_release+0xa40/0xa40 [ 42.079252] ? find_next_bit+0xcc/0x100 [ 42.083206] ? oom_evaluate_task+0x284/0x480 [ 42.087590] out_of_memory+0x9d5/0x1790 [ 42.091546] ? oom_killer_disable+0x310/0x310 [ 42.096027] ? mutex_trylock+0x23a/0x2d0 [ 42.100063] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 42.104963] ? __lock_is_held+0xb6/0x140 [ 42.109000] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 42.114440] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 42.119261] ? trace_hardirqs_on+0xd/0x10 [ 42.123399] ? warn_alloc+0x2b0/0x2b0 [ 42.127175] ? lock_downgrade+0x980/0x980 [ 42.131309] ? radix_tree_lookup_slot+0x99/0xe0 [ 42.135963] ? find_get_entry+0x53c/0x9e0 [ 42.140101] ? __lock_acquire+0x664/0x3e00 [ 42.144321] ? __lock_is_held+0xb6/0x140 [ 42.148369] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 42.154253] ? __might_sleep+0x95/0x190 [ 42.158208] __alloc_pages_nodemask+0x9fb/0xd80 [ 42.162855] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 42.167846] ? add_to_page_cache_lru+0x510/0x510 [ 42.172579] ? check_noncircular+0x20/0x20 [ 42.176786] ? check_noncircular+0x20/0x20 [ 42.180995] ? __lock_acquire+0x664/0x3e00 [ 42.185215] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 42.189965] alloc_pages_current+0xb6/0x1e0 [ 42.194264] __page_cache_alloc+0x334/0x500 [ 42.198561] ? rcu_read_lock_held+0xa9/0xc0 [ 42.202864] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 42.210209] filemap_fault+0xf34/0x1ca0 [ 42.214156] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.219327] ? __lock_page_or_retry+0x4f0/0x4f0 [ 42.223978] ? check_noncircular+0x20/0x20 [ 42.228185] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.233177] ? filemap_map_pages+0x942/0x15d0 [ 42.237642] ? free_obj_work+0x690/0x690 [ 42.241678] ? skb_free_head+0x74/0xb0 [ 42.245542] ? find_get_entries_tag+0xeb0/0xeb0 [ 42.250182] ? __lock_acquire+0x664/0x3e00 [ 42.254392] ? check_noncircular+0x20/0x20 [ 42.258605] ? print_irqtrace_events+0x270/0x270 [ 42.263332] ? print_irqtrace_events+0x270/0x270 [ 42.268065] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.273230] ? do_raw_spin_trylock+0x190/0x190 [ 42.277796] ? lock_acquire+0x1d5/0x580 [ 42.281742] ? lock_acquire+0x1d5/0x580 [ 42.285686] ? ext4_filemap_fault+0x7a/0xad [ 42.289981] ? __lock_acquire+0x664/0x3e00 [ 42.294195] ? lock_release+0xa40/0xa40 [ 42.298149] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 42.304017] ? rcu_note_context_switch+0x710/0x710 [ 42.308928] ? __might_sleep+0x95/0x190 [ 42.312879] ? down_read+0x96/0x150 [ 42.316478] ? ext4_filemap_fault+0x7a/0xad [ 42.320773] ? __down_interruptible+0x6b0/0x6b0 [ 42.325427] ext4_filemap_fault+0x82/0xad [ 42.329549] __do_fault+0xeb/0x315 [ 42.333063] ? pte_offset_kernel+0xc7/0xc7 [ 42.337269] ? lock_downgrade+0x980/0x980 [ 42.341394] ? lock_release+0xa40/0xa40 [ 42.345348] ? check_noncircular+0x20/0x20 [ 42.349555] ? __check_object_size+0x8b/0x530 [ 42.354032] ? lock_release+0xa40/0xa40 [ 42.357989] __handle_mm_fault+0x1d8f/0x3ce0 [ 42.362381] ? __pmd_alloc+0x4e0/0x4e0 [ 42.366248] ? find_held_lock+0x35/0x1d0 [ 42.370289] ? handle_mm_fault+0x2a0/0x930 [ 42.374495] ? lock_downgrade+0x980/0x980 [ 42.378637] handle_mm_fault+0x38f/0x930 [ 42.382671] ? down_read_trylock+0xdb/0x170 [ 42.386971] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 42.391523] ? vmacache_find+0x5f/0x280 [ 42.395480] ? find_vma+0x30/0x150 [ 42.399002] __do_page_fault+0x5c9/0xc90 [ 42.403050] ? mm_fault_error+0x2c0/0x2c0 [ 42.407173] ? __fdget+0x18/0x20 [ 42.410525] do_page_fault+0xee/0x720 [ 42.414299] ? __do_page_fault+0xc90/0xc90 [ 42.418509] ? __sb_end_write+0xa0/0xd0 [ 42.422459] ? vfs_write+0x224/0x510 [ 42.426161] ? entry_SYSCALL_64_fastpath+0x55/0xa0 [ 42.431067] ? page_fault+0x36/0x60 [ 42.434666] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.439484] ? page_fault+0x36/0x60 [ 42.443086] page_fault+0x4c/0x60 [ 42.446512] RIP: 0033:0x419a98 [ 42.449675] RSP: 002b:00007ffedae20a70 EFLAGS: 00010203 [ 42.455014] RAX: 00000000000000a2 RBX: 0000000000000001 RCX: 00007f6de3b46210 [ 42.462260] RDX: 0000000000000000 RSI: 00007ffedae20ad0 RDI: 0000000000000004 [ 42.469501] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 [ 42.476756] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ffedae20b30 [ 42.484007] R13: 0000000000000000 R14: 000000000223ca10 R15: 0000000002232030 [ 42.491541] Mem-Info: [ 42.493983] active_anon:4010 inactive_anon:63 isolated_anon:0 [ 42.493983] active_file:14 inactive_file:15 isolated_file:0 [ 42.493983] unevictable:0 dirty:0 writeback:0 unstable:0 [ 42.493983] slab_reclaimable:7302 slab_unreclaimable:82978 [ 42.493983] mapped:2 shmem:70 pagetables:294 bounce:0 [ 42.493983] free:22813 free_pcp:117 free_cma:0 [ 42.526210] Node 0 active_anon:16040kB inactive_anon:252kB active_file:56kB inactive_file:60kB 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? no [ 42.552944] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 42.579081] lowmem_reserve[]: 0 2870 6381 6381 [ 42.583690] Node 0 DMA32 free:43944kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 42.610951] lowmem_reserve[]: 0 0 3510 3510 [ 42.615293] Node 0 Normal free:31400kB min:37088kB low:46360kB high:55632kB active_anon:16012kB inactive_anon:248kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3072kB pagetables:1176kB bounce:0kB free_pcp:468kB local_pcp:240kB free_cma:0kB [ 42.644120] lowmem_reserve[]: 0 0 0 0 [ 42.647933] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 42.661524] Node 0 DMA32: 6*4kB (M) 4*8kB (M) 5*16kB (M) 1*32kB (M) 2*64kB (M) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 43944kB [ 42.676592] Node 0 Normal: 522*4kB (MH) 378*8kB (M) 309*16kB (UMH) 175*32kB (MEH) 92*64kB (UM) 31*128kB (UM) 21*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 31400kB [ 42.692099] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.700688] 99 total pagecache pages [ 42.704424] 0 pages in swap cache [ 42.707870] Swap cache stats: add 0, delete 0, find 0/0 [ 42.713232] Free swap = 0kB [ 42.716242] Total swap = 0kB [ 42.719274] 1965979 pages RAM [ 42.722377] 0 pages HighMem/MovableOnly [ 42.726343] 327775 pages reserved [ 42.729793] Unreclaimable slab info: [ 42.733500] Name Used Total [ 42.739044] hashtab_node 118KB 119KB [ 42.744413] ebitmap_node 382KB 389KB [ 42.749769] avtab_node 1012KB 1013KB [ 42.755133] TIPC 1KB 7KB [ 42.760492] SCTPv6 2KB 4KB [ 42.765853] DCCPv6 2KB 7KB [ 42.771214] DCCP 2KB 6KB [ 42.776587] fib6_nodes 0KB 4KB [ 42.781945] ip6_dst_cache 7KB 7KB [ 42.787302] RAWv6 9KB 13KB [ 42.792659] UDPv6 12KB 14KB [ 42.798045] TCPv6 2KB 5KB [ 42.803418] sd_ext_cdb 0KB 3KB [ 42.808789] scsi_sense_cache 73KB 140KB [ 42.814153] virtio_scsi_cmd 16KB 16KB [ 42.819511] sgpool-128 8KB 8KB [ 42.824864] sgpool-64 4KB 6KB [ 42.830218] sgpool-32 72KB 78KB [ 42.835573] sgpool-16 26KB 30KB [ 42.840929] sgpool-8 161KB 161KB [ 42.846292] cfq_io_cq 16KB 19KB [ 42.851650] cfq_queue 24KB 30KB [ 42.857047] mqueue_inode_cache 1KB 7KB [ 42.862498] nfs_commit_data 3KB 7KB [ 42.867849] nfs_write_data 34KB 37KB [ 42.873209] jbd2_inode 1KB 3KB [ 42.878563] ext4_system_zone 0KB 3KB [ 42.883921] bio-1 1KB 3KB [ 42.889279] rpc_buffers 17KB 19KB [ 42.894632] rpc_tasks 2KB 3KB [ 42.899985] UNIX 780KB 780KB [ 42.905343] tcp_bind_bucket 0KB 4KB [ 42.910752] ip_fib_trie 0KB 3KB [ 42.916106] ip_fib_alias 0KB 3KB [ 42.921458] ip_dst_cache 3KB 8KB [ 42.926810] RAW 5KB 7KB [ 42.932166] UDP 29KB 31KB [ 42.937517] TCP 7KB 7KB [ 42.942871] hugetlbfs_inode_cache 1KB 7KB [ 42.948573] eventpoll_pwq 9KB 11KB [ 42.953931] eventpoll_epi 18KB 23KB [ 42.959283] inotify_inode_mark 3KB 7KB [ 42.964722] request_queue 34KB 68KB [ 42.970082] blkdev_ioc 21KB 23KB [ 42.975435] bio-0 285KB 285KB [ 42.980788] biovec-(1<<(21-12)) 429KB 429KB [ 42.986317] biovec-64 100KB 102KB [ 42.991670] biovec-16 14KB 15KB [ 42.997032] bio_integrity_payload 0KB 4KB [ 43.002739] khugepaged_mm_slot 0KB 3KB [ 43.008180] uid_cache 0KB 3KB [ 43.013531] dmaengine-unmap-2 0KB 3KB [ 43.018884] audit_buffer 0KB 3KB [ 43.024240] skbuff_fclone_cache 138KB 142KB [ 43.029771] skbuff_head_cache 1743KB 1743KB [ 43.035126] configfs_dir_cache 0KB 4KB [ 43.040566] file_lock_cache 161KB 166KB [ 43.045929] file_lock_ctx 1KB 3KB [ 43.051282] fsnotify_mark_connector 2KB 3KB [ 43.057156] shmem_inode_cache 1054KB 1058KB [ 43.062507] task_delay_info 318KB 347KB [ 43.067861] sigqueue 365KB 366KB [ 43.073215] kernfs_node_cache 2292KB 2295KB [ 43.078569] mnt_cache 15KB 20KB [ 43.083921] filp 8356KB 8801KB [ 43.089274] names_cache 110997KB 111027KB [ 43.094630] avc_node 37KB 43KB [ 43.099986] selinux_file_security 423KB 488KB [ 43.105696] selinux_inode_security 1948KB 1952KB [ 43.111501] key_jar 3KB 7KB [ 43.116855] nsproxy 0KB 3KB [ 43.122208] vm_area_struct 18654KB 18663KB [ 43.127559] mm_struct 4520KB 4531KB [ 43.132910] fs_cache 425KB 432KB [ 43.138266] files_cache 1592KB 1593KB [ 43.143618] signal_cache 2538KB 2544KB [ 43.148972] sighand_cache 228KB 333KB [ 43.154323] task_struct 10835KB 10835KB [ 43.159680] cred_jar 2354KB 2356KB [ 43.165049] anon_vma_chain 7819KB 7823KB [ 43.170402] anon_vma 128KB 315KB [ 43.175758] pid 221KB 240KB [ 43.181113] Acpi-Operand 106KB 170KB [ 43.186469] Acpi-Namespace 19KB 23KB [ 43.191825] numa_policy 0KB 3KB [ 43.197180] debug_objects_cache 512KB 516KB [ 43.202709] trace_event_file 145KB 147KB [ 43.208063] ftrace_event_field 257KB 259KB [ 43.213503] pool_workqueue 24KB 28KB [ 43.218858] page->ptl 3104KB 3107KB [ 43.224223] kmalloc-262144 1032KB 1032KB [ 43.229579] kmalloc-131072 650KB 650KB [ 43.234933] kmalloc-65536 264KB 264KB [ 43.240284] kmalloc-32768 825KB 825KB [ 43.245639] kmalloc-16384 181KB 181KB [ 43.250993] kmalloc-8192 519KB 519KB [ 43.256360] kmalloc-4096 6685KB 6715KB [ 43.261714] kmalloc-2048 3227KB 3232KB [ 43.267072] kmalloc-1024 3575KB 3575KB [ 43.272425] kmalloc-512 2767KB 2767KB [ 43.277779] kmalloc-256 1935KB 2512KB [ 43.283138] kmalloc-128 404KB 519KB [ 43.288490] kmalloc-96 2064KB 2064KB [ 43.293864] kmalloc-64 2480KB 2480KB [ 43.299217] kmalloc-32 2402KB 2409KB [ 43.304572] kmalloc-192 914KB 916KB [ 43.309924] kmem_cache 101KB 105KB [ 43.315277] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 43.323870] [ 1826] 0 1826 5366 165 90112 0 -1000 udevd [ 43.332041] [ 3505] 0 3505 14298 172 122880 0 0 rsyslogd [ 43.340448] [ 3560] 0 3560 4725 51 86016 0 0 cron [ 43.348502] [ 3578] 0 3578 3737 44 69632 0 0 mcstransd [ 43.356993] [ 3606] 0 3606 12490 152 139264 0 -1000 sshd [ 43.365056] [ 3630] 0 3630 3694 40 73728 0 0 getty [ 43.373201] [ 3631] 0 3631 3694 38 77824 0 0 getty [ 43.381347] [ 3632] 0 3632 3694 39 69632 0 0 getty [ 43.389492] [ 3633] 0 3633 3694 41 73728 0 0 getty [ 43.397638] [ 3634] 0 3634 3694 41 77824 0 0 getty [ 43.405784] [ 3635] 0 3635 3694 41 73728 0 0 getty [ 43.413932] [ 3636] 0 3636 3649 39 69632 0 0 getty [ 43.422082] [ 3640] 0 3640 5678 454 86016 0 -1000 udevd [ 43.430226] [ 3641] 0 3641 5681 454 86016 0 -1000 udevd [ 43.438370] [ 3658] 0 3658 17821 197 184320 0 0 sshd [ 43.446427] [ 3660] 0 3660 280 1 28672 0 0 syzkaller940240 [ 43.455447] [ 3661] 0 3661 4043 0 28672 0 0 syzkaller940240 [ 43.464463] [ 3662] 0 3662 4043 0 28672 0 0 syzkaller940240 [ 43.473479] [ 3663] 0 3663 4043 0 28672 0 0 syzkaller940240 [ 43.482490] [ 3664] 0 3664 4043 0 28672 0 0 syzkaller940240 [ 43.491499] [ 3665] 0 3665 4043 522 32768 0 0 syzkaller940240 [ 43.500509] [ 3666] 0 3666 4043 522 32768 0 0 syzkaller940240 [ 43.509521] [ 3667] 0 3667 4043 522 32768 0 0 syzkaller940240 [ 43.518538] [ 3668] 0 3668 4043 522 32768 0 0 syzkaller940240 [ 43.527567] Out of memory: Kill process 3665 (syzkaller940240) score 0 or sacrifice child [ 43.535901] Killed process 3665 (syzkaller940240) total-vm:16172kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 43.554348] oom_reaper: reaped process 3665 (syzkaller940240), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.566161] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 43.577548] rsyslogd cpuset=/ mems_allowed=0 [ 43.582007] CPU: 1 PID: 3508 Comm: rsyslogd Not tainted 4.15.0-rc8-mm1+ #58 [ 43.589099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.598437] Call Trace: [ 43.601029] dump_stack+0x194/0x257 [ 43.604651] ? arch_local_irq_restore+0x53/0x53 [ 43.609314] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.614509] dump_header+0x28c/0xe2b [ 43.618223] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.623406] ? pagefault_out_of_memory+0x145/0x145 [ 43.628333] ? print_irqtrace_events+0x270/0x270 [ 43.633089] ? avc_has_perm_noaudit+0x37e/0x520 [ 43.637748] ? check_noncircular+0x20/0x20 [ 43.641972] ? check_noncircular+0x20/0x20 [ 43.646234] ? print_irqtrace_events+0x270/0x270 [ 43.650985] ? reacquire_held_locks+0x1f9/0x3e0 [ 43.655637] ? reacquire_held_locks+0x1f9/0x3e0 [ 43.660302] ? check_noncircular+0x20/0x20 [ 43.664524] ? task_will_free_mem+0x252/0xaa0 [ 43.669008] ? check_noncircular+0x20/0x20 [ 43.673241] ? print_irqtrace_events+0x270/0x270 [ 43.678000] ? ___ratelimit+0x30d/0x630 [ 43.681977] ? lock_downgrade+0x980/0x980 [ 43.686123] ? lock_release+0xa40/0xa40 [ 43.690083] ? mark_held_locks+0xaf/0x100 [ 43.694207] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 43.699282] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.704272] ? trace_hardirqs_on+0xd/0x10 [ 43.708397] ? ___ratelimit+0x95/0x630 [ 43.712257] ? idr_get_free_cmn+0xfd0/0xfd0 [ 43.716549] ? check_noncircular+0x20/0x20 [ 43.720762] oom_kill_process+0x81b/0x9f0 [ 43.724881] ? oom_badness+0xd1/0x980 [ 43.728652] ? lock_release+0xa40/0xa40 [ 43.732607] ? oom_kill_memcg_member+0x20/0x20 [ 43.737164] ? oom_evaluate_task+0x480/0x480 [ 43.741554] ? out_of_memory+0xe1c/0x1790 [ 43.745674] ? lock_downgrade+0x980/0x980 [ 43.749799] ? lock_release+0xa40/0xa40 [ 43.753750] ? find_next_bit+0xcc/0x100 [ 43.757707] ? oom_evaluate_task+0x284/0x480 [ 43.762091] out_of_memory+0x9d5/0x1790 [ 43.766050] ? oom_killer_disable+0x310/0x310 [ 43.770523] ? mutex_trylock+0x23a/0x2d0 [ 43.774555] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 43.779464] ? __lock_is_held+0xb6/0x140 [ 43.783500] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.788934] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 43.793772] ? warn_alloc+0x2b0/0x2b0 [ 43.797550] ? lock_downgrade+0x980/0x980 [ 43.801685] ? radix_tree_lookup_slot+0x99/0xe0 [ 43.806336] ? find_get_entry+0x53c/0x9e0 [ 43.810474] ? __lock_acquire+0x664/0x3e00 [ 43.814691] ? __lock_is_held+0xb6/0x140 [ 43.818738] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.824601] ? __might_sleep+0x95/0x190 [ 43.828550] __alloc_pages_nodemask+0x9fb/0xd80 [ 43.833196] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 43.838185] ? add_to_page_cache_lru+0x510/0x510 [ 43.842920] ? check_noncircular+0x20/0x20 [ 43.847125] ? check_noncircular+0x20/0x20 [ 43.851336] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 43.856083] alloc_pages_current+0xb6/0x1e0 [ 43.860379] __page_cache_alloc+0x334/0x500 [ 43.864679] ? rcu_read_lock_held+0xa9/0xc0 [ 43.868974] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 43.876317] filemap_fault+0xf34/0x1ca0 [ 43.880263] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.885436] ? __lock_page_or_retry+0x4f0/0x4f0 [ 43.890094] ? filemap_map_pages+0x942/0x15d0 [ 43.894574] ? find_get_entries_tag+0xeb0/0xeb0 [ 43.899216] ? lock_downgrade+0x980/0x980 [ 43.903339] ? check_noncircular+0x20/0x20 [ 43.907543] ? find_held_lock+0x35/0x1d0 [ 43.911577] ? print_irqtrace_events+0x270/0x270 [ 43.916312] ? print_irqtrace_events+0x270/0x270 [ 43.921043] ? print_irqtrace_events+0x270/0x270 [ 43.925772] ? lock_downgrade+0x980/0x980 [ 43.929903] ? lock_acquire+0x1d5/0x580 [ 43.933845] ? lock_acquire+0x1d5/0x580 [ 43.937963] ? ext4_filemap_fault+0x7a/0xad [ 43.942266] ? __lock_acquire+0x664/0x3e00 [ 43.946482] ? lock_release+0xa40/0xa40 [ 43.950429] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.956292] ? rcu_note_context_switch+0x710/0x710 [ 43.961204] ? __might_sleep+0x95/0x190 [ 43.965153] ? down_read+0x96/0x150 [ 43.968758] ? ext4_filemap_fault+0x7a/0xad [ 43.973051] ? __down_interruptible+0x6b0/0x6b0 [ 43.977698] ext4_filemap_fault+0x82/0xad [ 43.981823] __do_fault+0xeb/0x315 [ 43.985335] ? SyS_read+0xef/0x220 [ 43.988849] ? pte_offset_kernel+0xc7/0xc7 [ 43.993063] ? do_raw_spin_trylock+0x190/0x190 [ 43.997623] ? check_noncircular+0x20/0x20 [ 44.001834] __handle_mm_fault+0x1d8f/0x3ce0 [ 44.006222] ? __pmd_alloc+0x4e0/0x4e0 [ 44.010087] ? find_held_lock+0x35/0x1d0 [ 44.014128] ? handle_mm_fault+0x2a0/0x930 [ 44.018337] ? lock_downgrade+0x980/0x980 [ 44.022481] handle_mm_fault+0x38f/0x930 [ 44.026513] ? down_read_trylock+0xdb/0x170 [ 44.030810] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 44.035372] ? vmacache_find+0x5f/0x280 [ 44.039336] ? find_vma+0x30/0x150 [ 44.042862] __do_page_fault+0x5c9/0xc90 [ 44.046896] ? vfs_copy_file_range+0x940/0x940 [ 44.051455] ? mm_fault_error+0x2c0/0x2c0 [ 44.055578] ? avc_policy_seqno+0x9/0x20 [ 44.059617] do_page_fault+0xee/0x720 [ 44.063393] ? __do_page_fault+0xc90/0xc90 [ 44.067615] ? fput+0xd2/0x140 [ 44.070780] ? SyS_read+0x184/0x220 [ 44.074391] ? retint_user+0x18/0x18 [ 44.078075] ? page_fault+0x36/0x60 [ 44.081676] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.086494] ? page_fault+0x36/0x60 [ 44.090095] page_fault+0x4c/0x60 [ 44.093518] RIP: 0033:0x7f59ee54aa54 [ 44.097200] RSP: 002b:00007f59ec17bd68 EFLAGS: 00010202 [ 44.102535] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 44.109779] RDX: 00007f59ed9b05a0 RSI: 000000000000003c RDI: 00007f59ed7ae621 [ 44.117027] RBP: 000000000000003c R08: 00007f59ed7ae620 R09: 0000000000000000 [ 44.124274] R10: 0000000000000011 R11: 0000000000000000 R12: 0000000000000121 [ 44.131518] R13: 0000000000000000 R14: 00007f59ed9b05a0 R15: 00007f59ed9b15a0 [ 44.138850] Mem-Info: [ 44.141291] active_anon:3493 inactive_anon:63 isolated_anon:0 [ 44.141291] active_file:12 inactive_file:30 isolated_file:0 [ 44.141291] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.141291] slab_reclaimable:7302 slab_unreclaimable:82965 [ 44.141291] mapped:2 shmem:70 pagetables:293 bounce:0 [ 44.141291] free:23455 free_pcp:6 free_cma:0 [ 44.173273] Node 0 active_anon:13972kB inactive_anon:252kB active_file:48kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 44.200189] 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 [ 44.226341] lowmem_reserve[]: 0 2870 6381 6381 [ 44.230968] Node 0 DMA32 free:43944kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:4kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.258259] lowmem_reserve[]: 0 0 3510 3510 [ 44.262610] Node 0 Normal free:33968kB min:37088kB low:46360kB high:55632kB active_anon:13944kB inactive_anon:248kB active_file:0kB inactive_file:212kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3072kB pagetables:1172kB bounce:0kB free_pcp:24kB local_pcp:0kB free_cma:0kB [ 44.291201] lowmem_reserve[]: 0 0 0 0 [ 44.295057] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 44.308719] Node 0 DMA32: 6*4kB (M) 4*8kB (M) 5*16kB (M) 1*32kB (M) 2*64kB (M) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 43944kB [ 44.323854] Node 0 Normal: 563*4kB (UMEH) 394*8kB (UME) 314*16kB (UMEH) 180*32kB (UMEH) 92*64kB (UM) 31*128kB (UM) 21*256kB (UM) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 33980kB [ 44.340239] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.348845] 98 total pagecache pages [ 44.352581] 0 pages in swap cache [ 44.356082] Swap cache stats: add 0, delete 0, find 0/0 [ 44.361465] Free swap = 0kB [ 44.364500] Total swap = 0kB [ 44.367535] 1965979 pages RAM [ 44.370650] 0 pages HighMem/MovableOnly [ 44.374637] 327775 pages reserved [ 44.378106] Unreclaimable slab info: [ 44.381834] Name Used Total [ 44.387390] hashtab_node 118KB 119KB [ 44.392772] ebitmap_node 382KB 389KB [ 44.398153] avtab_node 1012KB 1013KB [ 44.403537] TIPC 1KB 7KB [ 44.408921] SCTPv6 2KB 4KB [ 44.414302] DCCPv6 2KB 7KB [ 44.419687] DCCP 2KB 6KB [ 44.425099] fib6_nodes 0KB 4KB [ 44.430478] ip6_dst_cache 7KB 7KB [ 44.435860] RAWv6 9KB 13KB [ 44.441246] UDPv6 12KB 14KB [ 44.446630] TCPv6 2KB 5KB [ 44.452048] sd_ext_cdb 0KB 3KB [ 44.457428] scsi_sense_cache 73KB 140KB [ 44.462805] virtio_scsi_cmd 16KB 16KB [ 44.468186] sgpool-128 8KB 8KB [ 44.473576] sgpool-64 4KB 6KB [ 44.478952] sgpool-32 72KB 78KB [ 44.484330] sgpool-16 25KB 30KB [ 44.489736] sgpool-8 161KB 161KB [ 44.495116] cfq_io_cq 16KB 19KB [ 44.500499] cfq_queue 24KB 30KB [ 44.505878] mqueue_inode_cache 1KB 7KB [ 44.511345] nfs_commit_data 3KB 7KB [ 44.516724] nfs_write_data 34KB 37KB [ 44.522109] jbd2_inode 1KB 3KB [ 44.527489] ext4_system_zone 0KB 3KB [ 44.532876] bio-1 1KB 3KB [ 44.538265] rpc_buffers 17KB 19KB [ 44.543647] rpc_tasks 2KB 3KB [ 44.549045] UNIX 780KB 780KB [ 44.554454] tcp_bind_bucket 0KB 4KB [ 44.559841] ip_fib_trie 0KB 3KB [ 44.565229] ip_fib_alias 0KB 3KB [ 44.570611] ip_dst_cache 3KB 8KB [ 44.575992] RAW 5KB 7KB [ 44.581374] UDP 29KB 31KB [ 44.586754] TCP 7KB 7KB [ 44.592137] hugetlbfs_inode_cache 1KB 7KB [ 44.597868] eventpoll_pwq 9KB 11KB [ 44.603251] eventpoll_epi 18KB 23KB [ 44.608631] inotify_inode_mark 3KB 7KB [ 44.614100] request_queue 34KB 68KB [ 44.619520] blkdev_ioc 21KB 23KB [ 44.624901] bio-0 285KB 285KB [ 44.630268] biovec-(1<<(21-12)) 429KB 429KB [ 44.635817] biovec-64 100KB 102KB [ 44.641197] biovec-16 14KB 15KB [ 44.646580] bio_integrity_payload 0KB 4KB [ 44.652309] khugepaged_mm_slot 0KB 3KB [ 44.657784] uid_cache 0KB 3KB [ 44.663167] dmaengine-unmap-2 0KB 3KB [ 44.668547] audit_buffer 0KB 3KB [ 44.673929] skbuff_fclone_cache 138KB 142KB [ 44.679466] skbuff_head_cache 1743KB 1743KB [ 44.684839] configfs_dir_cache 0KB 4KB [ 44.690296] file_lock_cache 161KB 166KB [ 44.695676] file_lock_ctx 1KB 3KB [ 44.701057] fsnotify_mark_connector 2KB 3KB [ 44.706977] shmem_inode_cache 1054KB 1058KB [ 44.712345] task_delay_info 318KB 347KB [ 44.717715] sigqueue 365KB 366KB [ 44.723093] kernfs_node_cache 2292KB 2295KB [ 44.728473] mnt_cache 15KB 20KB [ 44.733850] filp 8349KB 8797KB [ 44.739236] names_cache 110988KB 111027KB [ 44.744623] avc_node 37KB 43KB [ 44.750007] selinux_file_security 422KB 488KB [ 44.755756] selinux_inode_security 1948KB 1952KB [ 44.761568] key_jar 3KB 7KB [ 44.766945] nsproxy 0KB 3KB [ 44.772323] vm_area_struct 18654KB 18663KB [ 44.777702] mm_struct 4520KB 4531KB [ 44.783084] fs_cache 424KB 432KB [ 44.788459] files_cache 1592KB 1593KB [ 44.793836] signal_cache 2538KB 2544KB [ 44.799218] sighand_cache 226KB 326KB [ 44.804595] task_struct 10835KB 10835KB [ 44.809975] cred_jar 2353KB 2356KB [ 44.815362] anon_vma_chain 7819KB 7823KB [ 44.820744] anon_vma 125KB 315KB [ 44.826123] pid 221KB 240KB [ 44.831505] Acpi-Operand 106KB 170KB [ 44.836885] Acpi-Namespace 19KB 23KB [ 44.842266] numa_policy 0KB 3KB [ 44.847646] debug_objects_cache 512KB 516KB [ 44.853197] trace_event_file 145KB 147KB [ 44.858580] ftrace_event_field 257KB 259KB [ 44.864045] pool_workqueue 24KB 28KB [ 44.869425] page->ptl 3104KB 3107KB [ 44.874825] kmalloc-262144 1032KB 1032KB [ 44.880214] kmalloc-131072 650KB 650KB [ 44.885592] kmalloc-65536 264KB 264KB [ 44.890971] kmalloc-32768 825KB 825KB [ 44.896351] kmalloc-16384 181KB 181KB [ 44.901730] kmalloc-8192 519KB 519KB [ 44.907108] kmalloc-4096 6676KB 6715KB [ 44.912488] kmalloc-2048 3227KB 3232KB [ 44.917868] kmalloc-1024 3575KB 3575KB [ 44.923249] kmalloc-512 2767KB 2767KB [ 44.928629] kmalloc-256 1931KB 2512KB [ 44.934034] kmalloc-128 404KB 519KB [ 44.939415] kmalloc-96 2064KB 2064KB [ 44.944808] kmalloc-64 2480KB 2480KB [ 44.950185] kmalloc-32 2402KB 2409KB [ 44.955572] kmalloc-192 914KB 916KB [ 44.960953] kmem_cache 101KB 105KB [ 44.966334] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 44.974956] [ 1826] 0 1826 5366 165 90112 0 -1000 udevd [ 44.983125] [ 3505] 0 3505 14298 172 122880 0 0 rsyslogd [ 44.991552] [ 3560] 0 3560 4725 51 86016 0 0 cron [ 44.999629] [ 3578] 0 3578 3737 44 69632 0 0 mcstransd [ 45.008145] [ 3606] 0 3606 12490 152 139264 0 -1000 sshd [ 45.016236] [ 3630] 0 3630 3694 40 73728 0 0 getty [ 45.024401] [ 3631] 0 3631 3694 38 77824 0 0 getty [ 45.032566] [ 3632] 0 3632 3694 39 69632 0 0 getty [ 45.040732] [ 3633] 0 3633 3694 41 73728 0 0 getty [ 45.048901] [ 3634] 0 3634 3694 41 77824 0 0 getty [ 45.057071] [ 3635] 0 3635 3694 41 73728 0 0 getty [ 45.065237] [ 3636] 0 3636 3649 39 69632 0 0 getty [ 45.073405] [ 3640] 0 3640 5678 454 86016 0 -1000 udevd [ 45.081572] [ 3641] 0 3641 5681 454 86016 0 -1000 udevd [ 45.089741] [ 3658] 0 3658 17821 197 184320 0 0 sshd [ 45.097823] [ 3660] 0 3660 280 1 28672 0 0 syzkaller940240 [ 45.106853] [ 3661] 0 3661 4043 0 28672 0 0 syzkaller940240 [ 45.115887] [ 3662] 0 3662 4043 0 28672 0 0 syzkaller940240 [ 45.124919] [ 3663] 0 3663 4043 0 28672 0 0 syzkaller940240 [ 45.133948] [ 3664] 0 3664 4043 0 28672 0 0 syzkaller940240 [ 45.142991] [ 3665] 0 3665 4043 0 28672 0 0 syzkaller940240 [ 45.152040] [ 3666] 0 3666 4043 522 32768 0 0 syzkaller940240 [ 45.161078] [ 3667] 0 3667 4043 522 32768 0 0 syzkaller940240 [ 45.170113] [ 3668] 0 3668 4043 522 32768 0 0 syzkaller940240 [ 45.179143] Out of memory: Kill process 3666 (syzkaller940240) score 0 or sacrifice child [ 45.187493] Killed process 3666 (syzkaller940240) total-vm:16172kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 45.199600] oom_reaper: reaped process 3666 (syzkaller940240), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 45.210015] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 45.221533] udevd cpuset=/ mems_allowed=0 [ 45.225704] CPU: 1 PID: 1826 Comm: udevd Not tainted 4.15.0-rc8-mm1+ #58 [ 45.232520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.241857] Call Trace: [ 45.244438] dump_stack+0x194/0x257 [ 45.248060] ? arch_local_irq_restore+0x53/0x53 [ 45.253409] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.258603] dump_header+0x28c/0xe2b [ 45.262321] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.267508] ? pagefault_out_of_memory+0x145/0x145 [ 45.272433] ? print_irqtrace_events+0x270/0x270 [ 45.277195] ? avc_has_perm_noaudit+0x37e/0x520 [ 45.281862] ? check_noncircular+0x20/0x20 [ 45.286085] ? check_noncircular+0x20/0x20 [ 45.290314] ? print_irqtrace_events+0x270/0x270 [ 45.295064] ? reacquire_held_locks+0x1f9/0x3e0 [ 45.299716] ? reacquire_held_locks+0x1f9/0x3e0 [ 45.304374] ? check_noncircular+0x20/0x20 [ 45.308594] ? task_will_free_mem+0x252/0xaa0 [ 45.313072] ? check_noncircular+0x20/0x20 [ 45.317299] ? print_irqtrace_events+0x270/0x270 [ 45.322056] ? ___ratelimit+0x30d/0x630 [ 45.326018] ? lock_downgrade+0x980/0x980 [ 45.330160] ? lock_release+0xa40/0xa40 [ 45.334138] ? mark_held_locks+0xaf/0x100 [ 45.338285] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 45.343383] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.348388] ? trace_hardirqs_on+0xd/0x10 [ 45.352530] ? ___ratelimit+0x95/0x630 [ 45.356406] ? idr_get_free_cmn+0xfd0/0xfd0 [ 45.360717] ? check_noncircular+0x20/0x20 [ 45.364950] oom_kill_process+0x81b/0x9f0 [ 45.369087] ? oom_badness+0xd1/0x980 [ 45.372870] ? lock_release+0xa40/0xa40 [ 45.376842] ? oom_kill_memcg_member+0x20/0x20 [ 45.381422] ? oom_evaluate_task+0x480/0x480 [ 45.385830] ? out_of_memory+0xe1c/0x1790 [ 45.389968] ? lock_downgrade+0x980/0x980 [ 45.394112] ? lock_release+0xa40/0xa40 [ 45.398071] ? find_next_bit+0xcc/0x100 [ 45.402055] ? oom_evaluate_task+0x284/0x480 [ 45.406461] out_of_memory+0x9d5/0x1790 [ 45.410445] ? oom_killer_disable+0x310/0x310 [ 45.414947] ? mutex_trylock+0x23a/0x2d0 [ 45.419003] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 45.423932] ? __lock_is_held+0xb6/0x140 [ 45.427982] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 45.433438] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 45.438284] ? trace_hardirqs_on+0xd/0x10 [ 45.442449] ? warn_alloc+0x2b0/0x2b0 [ 45.446240] ? lock_downgrade+0x980/0x980 [ 45.450395] ? radix_tree_lookup_slot+0x99/0xe0 [ 45.455077] ? find_get_entry+0x53c/0x9e0 [ 45.459250] ? __lock_acquire+0x664/0x3e00 [ 45.463497] ? __lock_is_held+0xb6/0x140 [ 45.467572] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 45.473462] ? __might_sleep+0x95/0x190 [ 45.477433] __alloc_pages_nodemask+0x9fb/0xd80 [ 45.482105] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 45.487109] ? add_to_page_cache_lru+0x510/0x510 [ 45.491864] ? check_noncircular+0x20/0x20 [ 45.496084] ? check_noncircular+0x20/0x20 [ 45.500315] ? __lock_acquire+0x664/0x3e00 [ 45.504540] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 45.509317] alloc_pages_current+0xb6/0x1e0 [ 45.513636] __page_cache_alloc+0x334/0x500 [ 45.517946] ? rcu_read_lock_held+0xa9/0xc0 [ 45.522261] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 45.529626] filemap_fault+0xf34/0x1ca0 [ 45.533589] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.538784] ? __lock_page_or_retry+0x4f0/0x4f0 [ 45.543437] ? check_noncircular+0x20/0x20 [ 45.547661] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.552675] ? filemap_map_pages+0x942/0x15d0 [ 45.557160] ? free_obj_work+0x690/0x690 [ 45.561214] ? skb_free_head+0x74/0xb0 [ 45.565100] ? find_get_entries_tag+0xeb0/0xeb0 [ 45.569756] ? __lock_acquire+0x664/0x3e00 [ 45.573991] ? check_noncircular+0x20/0x20 [ 45.578224] ? print_irqtrace_events+0x270/0x270 [ 45.582969] ? print_irqtrace_events+0x270/0x270 [ 45.587708] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.592896] ? do_raw_spin_trylock+0x190/0x190 [ 45.597484] ? lock_acquire+0x1d5/0x580 [ 45.601443] ? lock_acquire+0x1d5/0x580 [ 45.605402] ? ext4_filemap_fault+0x7a/0xad [ 45.609712] ? __lock_acquire+0x664/0x3e00 [ 45.613938] ? lock_release+0xa40/0xa40 [ 45.617902] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 45.623780] ? rcu_note_context_switch+0x710/0x710 [ 45.628707] ? __might_sleep+0x95/0x190 [ 45.632679] ? down_read+0x96/0x150 [ 45.636293] ? ext4_filemap_fault+0x7a/0xad [ 45.640604] ? __down_interruptible+0x6b0/0x6b0 [ 45.645280] ext4_filemap_fault+0x82/0xad [ 45.649419] __do_fault+0xeb/0x315 [ 45.652952] ? pte_offset_kernel+0xc7/0xc7 [ 45.657199] ? lock_downgrade+0x980/0x980 [ 45.661345] ? lock_release+0xa40/0xa40 [ 45.665307] ? check_noncircular+0x20/0x20 [ 45.669529] ? __check_object_size+0x8b/0x530 [ 45.674012] ? lock_release+0xa40/0xa40 [ 45.677984] __handle_mm_fault+0x1d8f/0x3ce0 [ 45.682391] ? __pmd_alloc+0x4e0/0x4e0 [ 45.686282] ? find_held_lock+0x35/0x1d0 [ 45.690351] ? handle_mm_fault+0x2a0/0x930 [ 45.694578] ? lock_downgrade+0x980/0x980 [ 45.698756] handle_mm_fault+0x38f/0x930 [ 45.702801] ? down_read_trylock+0xdb/0x170 [ 45.707112] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 45.711683] ? vmacache_find+0x5f/0x280 [ 45.715652] ? find_vma+0x30/0x150 [ 45.719188] __do_page_fault+0x5c9/0xc90 [ 45.723251] ? mm_fault_error+0x2c0/0x2c0 [ 45.727383] ? __fdget+0x18/0x20 [ 45.730757] do_page_fault+0xee/0x720 [ 45.734548] ? __do_page_fault+0xc90/0xc90 [ 45.738772] ? __sb_end_write+0xa0/0xd0 [ 45.742735] ? vfs_write+0x224/0x510 [ 45.746450] ? entry_SYSCALL_64_fastpath+0x55/0xa0 [ 45.751375] ? page_fault+0x36/0x60 [ 45.754992] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.759826] ? page_fault+0x36/0x60 [ 45.763449] page_fault+0x4c/0x60 [ 45.766886] RIP: 0033:0x419a98 [ 45.770067] RSP: 002b:00007ffedae20a70 EFLAGS: 00010203 [ 45.775416] RAX: 00000000000000a2 RBX: 0000000000000001 RCX: 00007f6de3b46210 [ 45.782676] RDX: 0000000000000000 RSI: 00007ffedae20ad0 RDI: 0000000000000004 [ 45.789929] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 [ 45.797184] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ffedae20b30 [ 45.804443] R13: 0000000000000000 R14: 000000000223ca10 R15: 0000000002232030 [ 45.811819] Mem-Info: [ 45.814247] active_anon:2976 inactive_anon:63 isolated_anon:0 [ 45.814247] active_file:21 inactive_file:7 isolated_file:0 [ 45.814247] unevictable:0 dirty:0 writeback:0 unstable:0 [ 45.814247] slab_reclaimable:7302 slab_unreclaimable:82964 [ 45.814247] mapped:2 shmem:70 pagetables:292 bounce:0 [ 45.814247] free:22482 free_pcp:32 free_cma:0 [ 45.846205] Node 0 active_anon:11904kB inactive_anon:252kB active_file:84kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 45.873037] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.899205] lowmem_reserve[]: 0 2870 6381 6381 [ 45.903828] Node 0 DMA32 free:43944kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.931102] lowmem_reserve[]: 0 0 3510 3510 [ 45.935469] Node 0 Normal free:30076kB min:37088kB low:46360kB high:55632kB active_anon:11876kB inactive_anon:248kB active_file:72kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3072kB pagetables:1168kB bounce:0kB free_pcp:128kB local_pcp:0kB free_cma:0kB [ 45.964143] lowmem_reserve[]: 0 0 0 0 [ 45.967986] 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 [ 45.981668] Node 0 DMA32: 6*4kB (M) 4*8kB (M) 5*16kB (M) 1*32kB (M) 2*64kB (M) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 43944kB [ 45.996790] Node 0 Normal: 525*4kB (MEH) 361*8kB (ME) 288*16kB (MEH) 156*32kB (UMEH) 84*64kB (UM) 27*128kB (UM) 18*256kB (UM) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 30076kB [ 46.012558] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 46.021151] 98 total pagecache pages [ 46.024886] 0 pages in swap cache [ 46.028337] Swap cache stats: add 0, delete 0, find 0/0 [ 46.033705] Free swap = 0kB [ 46.036734] Total swap = 0kB [ 46.039750] 1965979 pages RAM [ 46.042865] 0 pages HighMem/MovableOnly [ 46.046853] 327775 pages reserved [ 46.050330] Unreclaimable slab info: [ 46.054049] Name Used Total [ 46.059597] hashtab_node 118KB 119KB [ 46.064972] ebitmap_node 382KB 389KB [ 46.070354] avtab_node 1012KB 1013KB [ 46.075740] TIPC 1KB 7KB [ 46.081127] SCTPv6 2KB 4KB [ 46.086506] DCCPv6 2KB 7KB [ 46.091888] DCCP 2KB 6KB [ 46.097291] fib6_nodes 0KB 4KB [ 46.102673] ip6_dst_cache 7KB 7KB [ 46.108050] RAWv6 9KB 13KB [ 46.113421] UDPv6 12KB 14KB [ 46.118802] TCPv6 2KB 5KB [ 46.124201] sd_ext_cdb 0KB 3KB [ 46.129584] scsi_sense_cache 73KB 140KB [ 46.134966] virtio_scsi_cmd 16KB 16KB [ 46.140347] sgpool-128 8KB 8KB [ 46.145728] sgpool-64 4KB 6KB [ 46.151111] sgpool-32 72KB 78KB [ 46.156492] sgpool-16 25KB 30KB [ 46.161873] sgpool-8 161KB 161KB [ 46.167261] cfq_io_cq 16KB 19KB [ 46.172646] cfq_queue 24KB 30KB [ 46.178045] mqueue_inode_cache 1KB 7KB [ 46.183510] nfs_commit_data 3KB 7KB [ 46.188886] nfs_write_data 34KB 37KB [ 46.194262] jbd2_inode 1KB 3KB [ 46.199638] ext4_system_zone 0KB 3KB [ 46.205037] bio-1 1KB 3KB [ 46.210425] rpc_buffers 17KB 19KB [ 46.215804] rpc_tasks 2KB 3KB [ 46.221177] UNIX 780KB 780KB [ 46.226555] tcp_bind_bucket 0KB 4KB [ 46.231936] ip_fib_trie 0KB 3KB [ 46.237313] ip_fib_alias 0KB 3KB [ 46.242687] ip_dst_cache 3KB 8KB [ 46.248065] RAW 5KB 7KB [ 46.253440] UDP 29KB 31KB [ 46.258818] TCP 7KB 7KB [ 46.264192] hugetlbfs_inode_cache 1KB 7KB [ 46.269915] eventpoll_pwq 9KB 11KB [ 46.275293] eventpoll_epi 18KB 23KB [ 46.280667] inotify_inode_mark 3KB 7KB [ 46.286138] request_queue 34KB 68KB [ 46.291518] blkdev_ioc 21KB 23KB [ 46.296894] bio-0 285KB 285KB [ 46.302271] biovec-(1<<(21-12)) 429KB 429KB [ 46.307822] biovec-64 100KB 102KB [ 46.313199] biovec-16 14KB 15KB [ 46.318574] bio_integrity_payload 0KB 4KB [ 46.324292] khugepaged_mm_slot 0KB 3KB [ 46.329758] uid_cache 0KB 3KB [ 46.335224] dmaengine-unmap-2 0KB 3KB [ 46.340601] audit_buffer 0KB 3KB [ 46.345979] skbuff_fclone_cache 138KB 142KB [ 46.351534] skbuff_head_cache 1743KB 1743KB [ 46.356911] configfs_dir_cache 0KB 4KB [ 46.362374] file_lock_cache 161KB 166KB [ 46.367749] file_lock_ctx 1KB 3KB [ 46.373111] fsnotify_mark_connector 2KB 3KB [ 46.378996] shmem_inode_cache 1054KB 1058KB [ 46.384373] task_delay_info 318KB 347KB [ 46.389749] sigqueue 365KB 366KB [ 46.395123] kernfs_node_cache 2292KB 2295KB [ 46.400497] mnt_cache 15KB 20KB [ 46.405865] filp 8349KB 8797KB [ 46.411239] names_cache 110988KB 111027KB [ 46.416616] avc_node 37KB 43KB [ 46.421992] selinux_file_security 422KB 488KB [ 46.427722] selinux_inode_security 1948KB 1952KB [ 46.433530] key_jar 3KB 7KB [ 46.438908] nsproxy 0KB 3KB [ 46.444286] vm_area_struct 18654KB 18663KB [ 46.449666] mm_struct 4520KB 4531KB [ 46.455041] fs_cache 424KB 432KB [ 46.460427] files_cache 1592KB 1593KB [ 46.465813] signal_cache 2538KB 2544KB [ 46.471188] sighand_cache 226KB 326KB [ 46.476564] task_struct 10835KB 10835KB [ 46.481939] cred_jar 2353KB 2356KB [ 46.487316] anon_vma_chain 7819KB 7823KB [ 46.492698] anon_vma 125KB 315KB [ 46.498083] pid 221KB 240KB [ 46.503461] Acpi-Operand 106KB 170KB [ 46.508844] Acpi-Namespace 19KB 23KB [ 46.514207] numa_policy 0KB 3KB [ 46.519576] debug_objects_cache 512KB 516KB [ 46.525127] trace_event_file 145KB 147KB [ 46.530504] ftrace_event_field 257KB 259KB [ 46.535969] pool_workqueue 24KB 28KB [ 46.541346] page->ptl 3104KB 3107KB [ 46.546744] kmalloc-262144 1032KB 1032KB [ 46.552124] kmalloc-131072 650KB 650KB [ 46.557499] kmalloc-65536 264KB 264KB [ 46.562871] kmalloc-32768 825KB 825KB [ 46.568248] kmalloc-16384 181KB 181KB [ 46.573627] kmalloc-8192 519KB 519KB [ 46.578998] kmalloc-4096 6676KB 6715KB [ 46.584379] kmalloc-2048 3227KB 3232KB [ 46.589766] kmalloc-1024 3575KB 3575KB [ 46.595148] kmalloc-512 2767KB 2767KB [ 46.600523] kmalloc-256 1931KB 2512KB [ 46.605901] kmalloc-128 404KB 519KB [ 46.611276] kmalloc-96 2068KB 2068KB [ 46.616655] kmalloc-64 2484KB 2484KB [ 46.622045] kmalloc-32 2402KB 2409KB [ 46.627429] kmalloc-192 914KB 916KB [ 46.632805] kmem_cache 101KB 105KB [ 46.638177] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 46.646796] [ 1826] 0 1826 5366 165 90112 0 -1000 udevd [ 46.654967] [ 3505] 0 3505 14298 172 122880 0 0 rsyslogd [ 46.663389] [ 3560] 0 3560 4725 51 86016 0 0 cron [ 46.671464] [ 3578] 0 3578 3737 44 69632 0 0 mcstransd [ 46.679976] [ 3606] 0 3606 12490 152 139264 0 -1000 sshd [ 46.688056] [ 3630] 0 3630 3694 40 73728 0 0 getty [ 46.696219] [ 3631] 0 3631 3694 38 77824 0 0 getty [ 46.704384] [ 3632] 0 3632 3694 39 69632 0 0 getty [ 46.712545] [ 3633] 0 3633 3694 41 73728 0 0 getty [ 46.720710] [ 3634] 0 3634 3694 41 77824 0 0 getty [ 46.728872] [ 3635] 0 3635 3694 41 73728 0 0 getty [ 46.737044] [ 3636] 0 3636 3649 39 69632 0 0 getty [ 46.745210] [ 3640] 0 3640 5678 454 86016 0 -1000 udevd [ 46.753376] [ 3641] 0 3641 5681 454 86016 0 -1000 udevd [ 46.761524] [ 3658] 0 3658 17821 197 184320 0 0 sshd [ 46.769585] [ 3660] 0 3660 280 1 28672 0 0 syzkaller940240 [ 46.778595] [ 3661] 0 3661 4043 0 28672 0 0 syzkaller940240 [ 46.787606] [ 3662] 0 3662 4043 0 28672 0 0 syzkaller940240 [ 46.796618] [ 3663] 0 3663 4043 0 28672 0 0 syzkaller940240 [ 46.805624] [ 3664] 0 3664 4043 0 28672 0 0 syzkaller940240 [ 46.815073] [ 3665] 0 3665 4043 0 28672 0 0 syzkaller940240 [ 46.824085] [ 3666] 0 3666 4043 0 28672 0 0 syzkaller940240 [ 46.833097] [ 3667] 0 3667 4043 522 32768 0 0 syzkaller940240 [ 46.842104] [ 3668] 0 3668 4043 522 32768 0 0 syzkaller940240 [ 46.851108] Out of memory: Kill process 3667 (syzkaller940240) score 0 or sacrifice child [ 46.859436] Killed process 3667 (syzkaller940240) total-vm:16172kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 46.880515] oom_reaper: reaped process 3667 (syzkaller940240), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 46.891011] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 46.902443] rsyslogd cpuset=/ mems_allowed=0 [ 46.906891] CPU: 1 PID: 3508 Comm: rsyslogd Not tainted 4.15.0-rc8-mm1+ #58 [ 46.913979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.923321] Call Trace: [ 46.925907] dump_stack+0x194/0x257 [ 46.929531] ? arch_local_irq_restore+0x53/0x53 [ 46.934195] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 46.939391] dump_header+0x28c/0xe2b [ 46.943111] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 46.948296] ? pagefault_out_of_memory+0x145/0x145 [ 46.953226] ? print_irqtrace_events+0x270/0x270 [ 46.957985] ? avc_has_perm_noaudit+0x37e/0x520 [ 46.962645] ? check_noncircular+0x20/0x20 [ 46.966869] ? check_noncircular+0x20/0x20 [ 46.971095] ? print_irqtrace_events+0x270/0x270 [ 46.975845] ? reacquire_held_locks+0x1f9/0x3e0 [ 46.980496] ? reacquire_held_locks+0x1f9/0x3e0 [ 46.985156] ? check_noncircular+0x20/0x20 [ 46.989378] ? task_will_free_mem+0x252/0xaa0 [ 46.993861] ? check_noncircular+0x20/0x20 [ 46.998092] ? print_irqtrace_events+0x270/0x270 [ 47.002835] ? ___ratelimit+0x30d/0x630 [ 47.006783] ? lock_downgrade+0x980/0x980 [ 47.010916] ? lock_release+0xa40/0xa40 [ 47.014866] ? mark_held_locks+0xaf/0x100 [ 47.018990] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 47.024078] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 47.029068] ? trace_hardirqs_on+0xd/0x10 [ 47.033188] ? ___ratelimit+0x95/0x630 [ 47.037047] ? idr_get_free_cmn+0xfd0/0xfd0 [ 47.041341] ? check_noncircular+0x20/0x20 [ 47.045558] oom_kill_process+0x81b/0x9f0 [ 47.049680] ? oom_badness+0xd1/0x980 [ 47.053452] ? lock_release+0xa40/0xa40 [ 47.057402] ? oom_kill_memcg_member+0x20/0x20 [ 47.061961] ? oom_evaluate_task+0x480/0x480 [ 47.066349] ? out_of_memory+0xe1c/0x1790 [ 47.070469] ? lock_downgrade+0x980/0x980 [ 47.074593] ? lock_release+0xa40/0xa40 [ 47.078539] ? find_next_bit+0xcc/0x100 [ 47.082495] ? oom_evaluate_task+0x284/0x480 [ 47.086878] out_of_memory+0x9d5/0x1790 [ 47.090832] ? oom_killer_disable+0x310/0x310 [ 47.095305] ? mutex_trylock+0x23a/0x2d0 [ 47.099337] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 47.104238] ? __lock_is_held+0xb6/0x140 [ 47.108276] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 47.113708] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 47.118546] ? warn_alloc+0x2b0/0x2b0 [ 47.122316] ? lock_downgrade+0x980/0x980 [ 47.126452] ? radix_tree_lookup_slot+0x99/0xe0 [ 47.131104] ? find_get_entry+0x53c/0x9e0 [ 47.135241] ? __lock_acquire+0x664/0x3e00 [ 47.139469] ? __lock_is_held+0xb6/0x140 [ 47.143516] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 47.149380] ? __might_sleep+0x95/0x190 [ 47.153331] __alloc_pages_nodemask+0x9fb/0xd80 [ 47.158072] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 47.163061] ? add_to_page_cache_lru+0x510/0x510 [ 47.167795] ? check_noncircular+0x20/0x20 [ 47.172006] ? check_noncircular+0x20/0x20 [ 47.176236] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 47.180983] alloc_pages_current+0xb6/0x1e0 [ 47.185280] __page_cache_alloc+0x334/0x500 [ 47.189577] ? rcu_read_lock_held+0xa9/0xc0 [ 47.193875] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 47.201221] filemap_fault+0xf34/0x1ca0 [ 47.205170] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 47.210341] ? __lock_page_or_retry+0x4f0/0x4f0 [ 47.214987] ? filemap_map_pages+0x942/0x15d0 [ 47.219479] ? find_get_entries_tag+0xeb0/0xeb0 [ 47.224124] ? lock_downgrade+0x980/0x980 [ 47.228249] ? check_noncircular+0x20/0x20 [ 47.232456] ? find_held_lock+0x35/0x1d0 [ 47.236497] ? print_irqtrace_events+0x270/0x270 [ 47.241225] ? print_irqtrace_events+0x270/0x270 [ 47.245952] ? print_irqtrace_events+0x270/0x270 [ 47.250683] ? lock_downgrade+0x980/0x980 [ 47.255279] ? lock_acquire+0x1d5/0x580 [ 47.259225] ? lock_acquire+0x1d5/0x580 [ 47.263172] ? ext4_filemap_fault+0x7a/0xad [ 47.267467] ? __lock_acquire+0x664/0x3e00 [ 47.271674] ? lock_release+0xa40/0xa40 [ 47.275619] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 47.281478] ? rcu_note_context_switch+0x710/0x710 [ 47.286388] ? __might_sleep+0x95/0x190 [ 47.290342] ? down_read+0x96/0x150 [ 47.293941] ? ext4_filemap_fault+0x7a/0xad [ 47.298234] ? __down_interruptible+0x6b0/0x6b0 [ 47.302885] ext4_filemap_fault+0x82/0xad [ 47.307015] __do_fault+0xeb/0x315 [ 47.310534] ? SyS_read+0xef/0x220 [ 47.314050] ? pte_offset_kernel+0xc7/0xc7 [ 47.318258] ? do_raw_spin_trylock+0x190/0x190 [ 47.322993] ? check_noncircular+0x20/0x20 [ 47.327219] __handle_mm_fault+0x1d8f/0x3ce0 [ 47.331605] ? __pmd_alloc+0x4e0/0x4e0 [ 47.335470] ? find_held_lock+0x35/0x1d0 [ 47.339510] ? handle_mm_fault+0x2a0/0x930 [ 47.343724] ? lock_downgrade+0x980/0x980 [ 47.347870] handle_mm_fault+0x38f/0x930 [ 47.351904] ? down_read_trylock+0xdb/0x170 [ 47.356197] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 47.360751] ? vmacache_find+0x5f/0x280 [ 47.364702] ? find_vma+0x30/0x150 [ 47.368216] __do_page_fault+0x5c9/0xc90 [ 47.372596] ? vfs_copy_file_range+0x940/0x940 [ 47.377158] ? mm_fault_error+0x2c0/0x2c0 [ 47.381282] ? avc_policy_seqno+0x9/0x20 [ 47.385325] do_page_fault+0xee/0x720 [ 47.389103] ? __do_page_fault+0xc90/0xc90 [ 47.393317] ? fput+0xd2/0x140 [ 47.396483] ? SyS_read+0x184/0x220 [ 47.400088] ? retint_user+0x18/0x18 [ 47.403775] ? page_fault+0x36/0x60 [ 47.407379] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.412199] ? page_fault+0x36/0x60 [ 47.415798] page_fault+0x4c/0x60 [ 47.419223] RIP: 0033:0x7f59ee54aa54 [ 47.422916] RSP: 002b:00007f59ec17bd68 EFLAGS: 00010202 [ 47.428251] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 47.435493] RDX: 00007f59ed9b05a0 RSI: 000000000000003c RDI: 00007f59ed7ae621 [ 47.442733] RBP: 000000000000003c R08: 00007f59ed7ae620 R09: 0000000000000000 [ 47.449973] R10: 0000000000000011 R11: 0000000000000000 R12: 0000000000000121 [ 47.457227] R13: 0000000000000000 R14: 00007f59ed9b05a0 R15: 00007f59ed9b15a0 [ 47.464564] Mem-Info: [ 47.467042] active_anon:2460 inactive_anon:63 isolated_anon:0 [ 47.467042] active_file:39 inactive_file:0 isolated_file:0 [ 47.467042] unevictable:0 dirty:0 writeback:0 unstable:0 [ 47.467042] slab_reclaimable:7302 slab_unreclaimable:82963 [ 47.467042] mapped:2 shmem:70 pagetables:292 bounce:0 [ 47.467042] free:23051 free_pcp:7 free_cma:0 [ 47.498923] Node 0 active_anon:9840kB inactive_anon:252kB active_file:156kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 47.525658] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 47.551807] lowmem_reserve[]: 0 2870 6381 6381 [ 47.556415] Node 0 DMA32 free:43944kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 47.583701] lowmem_reserve[]: 0 0 3510 3510 [ 47.588066] Node 0 Normal free:32352kB min:37088kB low:46360kB high:55632kB active_anon:9812kB inactive_anon:248kB active_file:48kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3072kB pagetables:1168kB bounce:0kB free_pcp:28kB local_pcp:4kB free_cma:0kB [ 47.616573] lowmem_reserve[]: 0 0 0 0 [ 47.620403] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 47.634028] Node 0 DMA32: 6*4kB (M) 4*8kB (M) 5*16kB (M) 1*32kB (M) 2*64kB (M) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 43944kB [ 47.649171] Node 0 Normal: 533*4kB (UMEH) 372*8kB (UME) 289*16kB (UMEH) 159*32kB (UMEH) 84*64kB (UM) 27*128kB (UM) 18*256kB (UM) 0*512kB 0*1024kB 2*2048kB (M) 0*4096kB = 32356kB [ 47.665259] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 47.673853] 98 total pagecache pages [ 47.677572] 0 pages in swap cache [ 47.681059] Swap cache stats: add 0, delete 0, find 0/0 [ 47.686432] Free swap = 0kB [ 47.689444] Total swap = 0kB [ 47.692470] 1965979 pages RAM [ 47.695589] 0 pages HighMem/MovableOnly [ 47.699580] 327775 pages reserved [ 47.703044] Unreclaimable slab info: [ 47.706769] Name Used Total [ 47.712330] hashtab_node 118KB 119KB [ 47.717714] ebitmap_node 382KB 389KB [ 47.723095] avtab_node 1012KB 1013KB [ 47.728479] TIPC 1KB 7KB [ 47.733864] SCTPv6 2KB 4KB [ 47.739233] DCCPv6 2KB 7KB [ 47.744605] DCCP 2KB 6KB [ 47.750050] fib6_nodes 0KB 4KB [ 47.755432] ip6_dst_cache 6KB 7KB [ 47.760819] RAWv6 9KB 13KB [ 47.766204] UDPv6 12KB 14KB [ 47.771593] TCPv6 2KB 5KB [ 47.776995] sd_ext_cdb 0KB 3KB [ 47.782378] scsi_sense_cache 72KB 140KB [ 47.787764] virtio_scsi_cmd 16KB 16KB [ 47.793147] sgpool-128 8KB 8KB [ 47.798534] sgpool-64 4KB 6KB [ 47.803913] sgpool-32 72KB 78KB [ 47.809291] sgpool-16 24KB 30KB [ 47.814689] sgpool-8 157KB 161KB [ 47.820075] cfq_io_cq 15KB 19KB [ 47.825453] cfq_queue 24KB 30KB [ 47.830832] mqueue_inode_cache 1KB 7KB [ 47.836300] nfs_commit_data 3KB 7KB [ 47.841683] nfs_write_data 34KB 37KB [ 47.847066] jbd2_inode 1KB 3KB [ 47.852445] ext4_system_zone 0KB 3KB [ 47.857834] bio-1 1KB 3KB [ 47.863222] rpc_buffers 17KB 19KB [ 47.868603] rpc_tasks 2KB 3KB [ 47.873986] UNIX 780KB 780KB [ 47.879376] tcp_bind_bucket 0KB 4KB [ 47.884758] ip_fib_trie 0KB 3KB [ 47.890136] ip_fib_alias 0KB 3KB [ 47.895516] ip_dst_cache 3KB 8KB [ 47.900899] RAW 5KB 7KB [ 47.906277] UDP 29KB 31KB [ 47.911662] TCP 7KB 7KB [ 47.917041] hugetlbfs_inode_cache 1KB 7KB [ 47.922771] eventpoll_pwq 9KB 11KB [ 47.928149] eventpoll_epi 18KB 23KB [ 47.933536] inotify_inode_mark 3KB 7KB [ 47.939007] request_queue 31KB 45KB [ 47.944410] blkdev_ioc 21KB 23KB [ 47.949794] bio-0 283KB 285KB [ 47.955261] biovec-(1<<(21-12)) 429KB 429KB [ 47.960819] biovec-64 100KB 102KB [ 47.966201] biovec-16 14KB 15KB [ 47.971581] bio_integrity_payload 0KB 4KB [ 47.977309] khugepaged_mm_slot 0KB 3KB [ 47.982784] uid_cache 0KB 3KB [ 47.988169] dmaengine-unmap-2 0KB 3KB [ 47.993552] audit_buffer 0KB 3KB [ 47.998941] skbuff_fclone_cache 138KB 142KB [ 48.004497] skbuff_head_cache 1742KB 1743KB [ 48.009891] configfs_dir_cache 0KB 4KB [ 48.015357] file_lock_cache 161KB 166KB [ 48.020738] file_lock_ctx 1KB 3KB [ 48.026120] fsnotify_mark_connector 2KB 3KB [ 48.032049] shmem_inode_cache 1054KB 1058KB [ 48.037431] task_delay_info 318KB 347KB [ 48.042811] sigqueue 364KB 366KB [ 48.048188] kernfs_node_cache 2292KB 2295KB [ 48.053569] mnt_cache 15KB 20KB [ 48.058954] filp 8313KB 8778KB [ 48.064339] names_cache 110988KB 111018KB [ 48.069722] avc_node 37KB 43KB [ 48.075118] selinux_file_security 419KB 488KB [ 48.080844] selinux_inode_security 1948KB 1952KB [ 48.086660] key_jar 3KB 7KB [ 48.092040] nsproxy 0KB 3KB [ 48.097418] vm_area_struct 18654KB 18663KB [ 48.102800] mm_struct 4520KB 4531KB [ 48.108177] fs_cache 424KB 432KB [ 48.113564] files_cache 1592KB 1593KB [ 48.118948] signal_cache 2538KB 2544KB [ 48.124326] sighand_cache 219KB 319KB [ 48.129706] task_struct 10835KB 10835KB [ 48.135084] cred_jar 2353KB 2356KB [ 48.140491] anon_vma_chain 7819KB 7823KB [ 48.145868] anon_vma 122KB 311KB [ 48.151247] pid 221KB 240KB [ 48.156625] Acpi-Operand 106KB 170KB [ 48.162049] Acpi-Namespace 19KB 23KB [ 48.167426] numa_policy 0KB 3KB [ 48.172800] debug_objects_cache 512KB 516KB [ 48.178352] trace_event_file 145KB 147KB [ 48.183730] ftrace_event_field 257KB 259KB [ 48.189192] pool_workqueue 24KB 28KB [ 48.194573] page->ptl 3104KB 3107KB [ 48.199977] kmalloc-262144 1032KB 1032KB [ 48.205357] kmalloc-131072 650KB 650KB [ 48.210734] kmalloc-65536 264KB 264KB [ 48.216113] kmalloc-32768 825KB 825KB [ 48.221488] kmalloc-16384 181KB 181KB [ 48.226865] kmalloc-8192 519KB 519KB [ 48.232240] kmalloc-4096 6676KB 6706KB [ 48.237614] kmalloc-2048 3227KB 3232KB [ 48.242986] kmalloc-1024 3575KB 3575KB [ 48.248361] kmalloc-512 2765KB 2767KB [ 48.253739] kmalloc-256 1917KB 2508KB [ 48.259118] kmalloc-128 404KB 519KB [ 48.264493] kmalloc-96 2065KB 2068KB [ 48.269870] kmalloc-64 2481KB 2484KB [ 48.275245] kmalloc-32 2399KB 2409KB [ 48.280620] kmalloc-192 913KB 916KB [ 48.286028] kmem_cache 101KB 105KB [ 48.291406] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 48.300043] [ 1826] 0 1826 5366 165 90112 0 -1000 udevd [ 48.308208] [ 3505] 0 3505 14298 172 122880 0 0 rsyslogd [ 48.316630] [ 3560] 0 3560 4725 51 86016 0 0 cron [ 48.324706] [ 3578] 0 3578 3737 44 69632 0 0 mcstransd [ 48.333206] [ 3606] 0 3606 12490 152 139264 0 -1000 sshd [ 48.341276] [ 3630] 0 3630 3694 40 73728 0 0 getty [ 48.349443] [ 3631] 0 3631 3694 38 77824 0 0 getty [ 48.357602] [ 3632] 0 3632 3694 39 69632 0 0 getty [ 48.365773] [ 3633] 0 3633 3694 41 73728 0 0 getty [ 48.373940] [ 3634] 0 3634 3694 41 77824 0 0 getty [ 48.382105] [ 3635] 0 3635 3694 41 73728 0 0 getty [ 48.390266] [ 3636] 0 3636 3649 39 69632 0 0 getty [ 48.398430] [ 3640] 0 3640 5678 454 86016 0 -1000 udevd [ 48.406592] [ 3641] 0 3641 5681 454 86016 0 -1000 udevd [ 48.414759] [ 3658] 0 3658 17821 197 184320 0 0 sshd [ 48.422840] [ 3660] 0 3660 280 1 28672 0 0 syzkaller940240 [ 48.431868] [ 3661] 0 3661 4043 0 28672 0 0 syzkaller940240 [ 48.440893] [ 3662] 0 3662 4043 0 28672 0 0 syzkaller940240 [ 48.449926] [ 3663] 0 3663 4043 0 28672 0 0 syzkaller940240 [ 48.458950] [ 3664] 0 3664 4043 0 28672 0 0 syzkaller940240 [ 48.467979] [ 3665] 0 3665 4043 0 28672 0 0 syzkaller940240 [ 48.476993] [ 3666] 0 3666 4043 0 28672 0 0 syzkaller940240 [ 48.486038] [ 3667] 0 3667 4043 0 28672 0 0 syzkaller940240 [ 48.495071] [ 3668] 0 3668 4043 522 32768 0 0 syzkaller940240 [ 48.504092] Out of memory: Kill process 3668 (syzkaller940240) score 0 or sacrifice child [ 48.512437] Killed process 3668 (syzkaller940240) total-vm:16172kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 48.532706] oom_reaper: reaped process 3668 (syzkaller940240), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 48.543976] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 48.555446] udevd cpuset=/ mems_allowed=0 [ 48.559636] CPU: 1 PID: 1826 Comm: udevd Not tainted 4.15.0-rc8-mm1+ #58 [ 48.560012] syzkaller940240: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 48.566455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.566491] Call Trace: [ 48.566506] dump_stack+0x194/0x257 [ 48.566522] ? arch_local_irq_restore+0x53/0x53 [ 48.566535] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.577630] syzkaller940240 cpuset= [ 48.586948] dump_header+0x28c/0xe2b [ 48.586968] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.586983] ? pagefault_out_of_memory+0x145/0x145 [ 48.586991] ? __lock_acquire+0x664/0x3e00 [ 48.587005] ? print_irqtrace_events+0x270/0x270 [ 48.589669] / [ 48.593229] ? check_noncircular+0x20/0x20 [ 48.593238] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.593247] ? check_noncircular+0x20/0x20 [ 48.593259] ? print_irqtrace_events+0x270/0x270 [ 48.597973] mems_allowed=0 [ 48.603122] ? reacquire_held_locks+0x1f9/0x3e0 [ 48.603129] ? reacquire_held_locks+0x1f9/0x3e0 [ 48.603141] ? check_noncircular+0x20/0x20 [ 48.665816] ? task_will_free_mem+0x252/0xaa0 [ 48.670295] ? check_noncircular+0x20/0x20 [ 48.674521] ? print_irqtrace_events+0x270/0x270 [ 48.679272] ? ___ratelimit+0x30d/0x630 [ 48.683237] ? lock_downgrade+0x980/0x980 [ 48.687374] ? lock_release+0xa40/0xa40 [ 48.691335] ? mark_held_locks+0xaf/0x100 [ 48.695467] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 48.700554] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 48.705554] ? trace_hardirqs_on+0xd/0x10 [ 48.709687] ? ___ratelimit+0x95/0x630 [ 48.713559] ? idr_get_free_cmn+0xfd0/0xfd0 [ 48.717863] ? check_noncircular+0x20/0x20 [ 48.722094] oom_kill_process+0x81b/0x9f0 [ 48.726225] ? lock_release+0xa40/0xa40 [ 48.730186] ? oom_kill_memcg_member+0x20/0x20 [ 48.734756] ? oom_evaluate_task+0x480/0x480 [ 48.739157] ? out_of_memory+0xe1c/0x1790 [ 48.743287] ? lock_downgrade+0x980/0x980 [ 48.747425] ? lock_release+0xa40/0xa40 [ 48.751380] ? find_next_bit+0xcc/0x100 [ 48.755350] ? oom_evaluate_task+0x284/0x480 [ 48.759749] out_of_memory+0x9d5/0x1790 [ 48.763718] ? oom_killer_disable+0x310/0x310 [ 48.768200] ? mutex_trylock+0x23a/0x2d0 [ 48.772242] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 48.777156] ? __lock_is_held+0xb6/0x140 [ 48.781197] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 48.786648] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 48.791484] ? trace_hardirqs_on+0xd/0x10 [ 48.795637] ? warn_alloc+0x2b0/0x2b0 [ 48.799419] ? lock_downgrade+0x980/0x980 [ 48.803563] ? radix_tree_lookup_slot+0x99/0xe0 [ 48.808233] ? find_get_entry+0x53c/0x9e0 [ 48.812395] ? __lock_acquire+0x664/0x3e00 [ 48.816631] ? __lock_is_held+0xb6/0x140 [ 48.820693] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 48.826575] ? __might_sleep+0x95/0x190 [ 48.830538] __alloc_pages_nodemask+0x9fb/0xd80 [ 48.835195] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 48.840192] ? add_to_page_cache_lru+0x510/0x510 [ 48.844938] ? check_noncircular+0x20/0x20 [ 48.849155] ? check_noncircular+0x20/0x20 [ 48.853377] ? __lock_acquire+0x664/0x3e00 [ 48.857597] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 48.862365] alloc_pages_current+0xb6/0x1e0 [ 48.866673] __page_cache_alloc+0x334/0x500 [ 48.870979] ? rcu_read_lock_held+0xa9/0xc0 [ 48.875287] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 48.882643] filemap_fault+0xf34/0x1ca0 [ 48.886600] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.892046] ? __lock_page_or_retry+0x4f0/0x4f0 [ 48.896694] ? check_noncircular+0x20/0x20 [ 48.900908] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 48.905920] ? filemap_map_pages+0x942/0x15d0 [ 48.910396] ? free_obj_work+0x690/0x690 [ 48.914441] ? skb_free_head+0x74/0xb0 [ 48.918318] ? find_get_entries_tag+0xeb0/0xeb0 [ 48.922970] ? __lock_acquire+0x664/0x3e00 [ 48.927194] ? check_noncircular+0x20/0x20 [ 48.931418] ? print_irqtrace_events+0x270/0x270 [ 48.936154] ? print_irqtrace_events+0x270/0x270 [ 48.940890] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.946067] ? do_raw_spin_trylock+0x190/0x190 [ 48.950650] ? lock_acquire+0x1d5/0x580 [ 48.954612] ? lock_acquire+0x1d5/0x580 [ 48.958565] ? ext4_filemap_fault+0x7a/0xad [ 48.962872] ? __lock_acquire+0x664/0x3e00 [ 48.967097] ? lock_release+0xa40/0xa40 [ 48.971051] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 48.976921] ? rcu_note_context_switch+0x710/0x710 [ 48.981840] ? __might_sleep+0x95/0x190 [ 48.985806] ? down_read+0x96/0x150 [ 48.989410] ? ext4_filemap_fault+0x7a/0xad [ 48.993712] ? __down_interruptible+0x6b0/0x6b0 [ 48.998382] ext4_filemap_fault+0x82/0xad [ 49.002515] __do_fault+0xeb/0x315 [ 49.006044] ? pte_offset_kernel+0xc7/0xc7 [ 49.010261] ? lock_downgrade+0x980/0x980 [ 49.014397] ? lock_release+0xa40/0xa40 [ 49.018352] ? check_noncircular+0x20/0x20 [ 49.022566] ? __check_object_size+0x8b/0x530 [ 49.027041] ? lock_release+0xa40/0xa40 [ 49.031001] __handle_mm_fault+0x1d8f/0x3ce0 [ 49.035405] ? __pmd_alloc+0x4e0/0x4e0 [ 49.039285] ? find_held_lock+0x35/0x1d0 [ 49.043338] ? handle_mm_fault+0x2a0/0x930 [ 49.047556] ? lock_downgrade+0x980/0x980 [ 49.051812] handle_mm_fault+0x38f/0x930 [ 49.055851] ? down_read_trylock+0xdb/0x170 [ 49.060159] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 49.064717] ? vmacache_find+0x5f/0x280 [ 49.068677] ? find_vma+0x30/0x150 [ 49.072209] __do_page_fault+0x5c9/0xc90 [ 49.076261] ? mm_fault_error+0x2c0/0x2c0 [ 49.080395] ? __fdget+0x18/0x20 [ 49.083760] do_page_fault+0xee/0x720 [ 49.087547] ? __do_page_fault+0xc90/0xc90 [ 49.091767] ? __sb_end_write+0xa0/0xd0 [ 49.095725] ? vfs_write+0x224/0x510 [ 49.099434] ? entry_SYSCALL_64_fastpath+0x55/0xa0 [ 49.104349] ? page_fault+0x36/0x60 [ 49.107959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.112788] ? page_fault+0x36/0x60 [ 49.116401] page_fault+0x4c/0x60 [ 49.119834] RIP: 0033:0x419a98 [ 49.123007] RSP: 002b:00007ffedae20a70 EFLAGS: 00010203 [ 49.128355] RAX: 00000000000000a2 RBX: 0000000000000001 RCX: 00007f6de3b46210 [ 49.135603] RDX: 0000000000000000 RSI: 00007ffedae20ad0 RDI: 0000000000000004 [ 49.142857] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 [ 49.150108] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ffedae20b30 [ 49.157357] R13: 0000000000000000 R14: 000000000223ca10 R15: 0000000002232030 [ 49.164641] CPU: 0 PID: 3665 Comm: syzkaller940240 Not tainted 4.15.0-rc8-mm1+ #58 [ 49.164737] Mem-Info: [ 49.172336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.172340] Call Trace: [ 49.172356] dump_stack+0x194/0x257 [ 49.172370] ? arch_local_irq_restore+0x53/0x53 [ 49.174771] active_anon:1943 inactive_anon:63 isolated_anon:0 [ 49.174771] active_file:14 inactive_file:13 isolated_file:1 [ 49.174771] unevictable:0 dirty:0 writeback:0 unstable:0 [ 49.174771] slab_reclaimable:7300 slab_unreclaimable:82942 [ 49.174771] mapped:2 shmem:70 pagetables:291 bounce:0 [ 49.174771] free:15907 free_pcp:86 free_cma:0 [ 49.184070] ? idr_get_free_cmn+0xfd0/0xfd0 [ 49.184083] ? debug_object_destroy+0x2b0/0x2b0 [ 49.184105] warn_alloc+0x19a/0x2b0 [ 49.186672] Node 0 active_anon:7772kB inactive_anon:252kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB 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 [ 49.190254] ? zone_watermark_ok_safe+0x400/0x400 [ 49.190272] ? __next_timer_interrupt+0x150/0x150 [ 49.194916] Node 0 [ 49.226902] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 49.226910] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 49.226936] __alloc_pages_slowpath+0x2501/0x2cc0 [ 49.231235] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.235895] ? warn_alloc+0x2b0/0x2b0 [ 49.239483] lowmem_reserve[]: [ 49.266173] ? check_noncircular+0x20/0x20 [ 49.266195] ? print_irqtrace_events+0x270/0x270 [ 49.266213] ? check_noncircular+0x20/0x20 [ 49.271043] 0 [ 49.275845] ? find_held_lock+0x35/0x1d0 [ 49.275865] ? lock_acquire+0x1d5/0x580 [ 49.275874] ? lock_acquire+0x1d5/0x580 [ 49.278091] 2870 [ 49.283510] ? __lock_acquire+0x664/0x3e00 [ 49.283528] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 49.289384] 6381 [ 49.294187] ? lock_release+0xa40/0xa40 [ 49.294253] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 49.319686] 6381 [ 49.323465] ? __might_sleep+0x95/0x190 [ 49.330754] __alloc_pages_nodemask+0x9fb/0xd80 [ 49.330764] ? lock_release+0xa40/0xa40 [ 49.335499] Node 0 [ 49.339703] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 49.339729] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 49.341511] DMA32 free:29188kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:184kB local_pcp:64kB free_cma:0kB [ 49.345527] ? print_irqtrace_events+0x270/0x270 [ 49.345549] ? __lock_is_held+0xb6/0x140 [ 49.349493] lowmem_reserve[]: [ 49.353441] ? find_next_bit+0xcc/0x100 [ 49.353462] pcpu_populate_chunk+0x1b3/0x880 [ 49.355494] 0 [ 49.359694] ? find_last_bit+0xc7/0xd0 [ 49.359719] pcpu_alloc+0x978/0x10e0 [ 49.365574] 0 [ 49.367622] ? pcpu_free_area+0xa00/0xa00 [ 49.371572] 3510 [ 49.377425] ? vmap_page_range_noflush+0x523/0x720 [ 49.377451] ? retint_kernel+0x10/0x10 [ 49.379481] 3510 [ 49.383420] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.383435] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.392028] ? retint_kernel+0x10/0x10 [ 49.392065] __alloc_percpu_gfp+0x27/0x30 [ 49.394256] Node 0 [ 49.399236] array_map_alloc+0x794/0x990 [ 49.399255] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 49.404170] Normal free:18532kB min:37088kB low:46360kB high:55632kB active_anon:7744kB inactive_anon:248kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3072kB pagetables:1164kB bounce:0kB free_pcp:160kB local_pcp:24kB free_cma:0kB [ 49.431652] SyS_bpf+0x93c/0x4840 [ 49.431665] ? perf_event_mmap+0x115/0x12a0 [ 49.431681] ? bpf_prog_get+0x20/0x20 [ 49.436423] lowmem_reserve[]: [ 49.440452] ? perf_event_fork+0x30/0x30 [ 49.440477] ? __lock_is_held+0xb6/0x140 [ 49.443554] 0 [ 49.447494] ? check_noncircular+0x20/0x20 [ 49.447502] ? vma_wants_writenotify+0x51/0x3b0 [ 49.447519] ? __handle_mm_fault+0x80e/0x3ce0 [ 49.451901] 0 [ 49.453677] ? check_noncircular+0x20/0x20 [ 49.453685] ? __pmd_alloc+0x4e0/0x4e0 [ 49.457552] 0 [ 49.461238] ? vma_link+0xe9/0x170 [ 49.461260] ? find_held_lock+0x35/0x1d0 [ 49.463042] 0 [ 49.467166] ? handle_mm_fault+0x2a0/0x930 [ 49.467181] ? find_held_lock+0x35/0x1d0 [ 49.474127] ? __do_page_fault+0x5f7/0xc90 [ 49.474138] ? lock_downgrade+0x980/0x980 [ 49.478018] Node 0 [ 49.480047] ? handle_mm_fault+0x476/0x930 [ 49.480055] ? down_read_trylock+0xdb/0x170 [ 49.485057] DMA: [ 49.489778] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 49.489785] ? vmacache_find+0x5f/0x280 [ 49.489793] ? vmacache_update+0xfe/0x130 [ 49.493662] 1*4kB [ 49.497776] ? up_read+0x1a/0x40 [ 49.497787] ? __do_page_fault+0x3d6/0xc90 [ 49.500022] (U) [ 49.504037] ? mm_fault_error+0x2c0/0x2c0 [ 49.504064] ? do_page_fault+0xee/0x720 [ 49.509305] 0*8kB [ 49.537290] ? __do_page_fault+0xc90/0xc90 [ 49.537315] ? SyS_mmap_pgoff+0x243/0x5f0 [ 49.540747] 0*16kB [ 49.545052] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.548841] 1*32kB [ 49.551907] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 49.551915] RIP: 0033:0x440179 [ 49.555957] (U) [ 49.559974] RSP: 002b:00007ffc3762cae8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 49.559984] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 49.559989] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 49.559995] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 49.561781] 2*64kB [ 49.565972] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 49.565978] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 49.566261] Mem-Info: [ 49.570681] (U) [ 49.575163] active_anon:1943 inactive_anon:63 isolated_anon:0 [ 49.575163] active_file:14 inactive_file:13 isolated_file:1 [ 49.575163] unevictable:0 dirty:0 writeback:0 unstable:0 [ 49.575163] slab_reclaimable:7300 slab_unreclaimable:82942 [ 49.575163] mapped:2 shmem:70 pagetables:291 bounce:0 [ 49.575163] free:15907 free_pcp:86 free_cma:0 [ 49.576945] 1*128kB (U) [ 49.581187] Node 0 active_anon:7772kB inactive_anon:252kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB 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 [ 49.585051] 1*256kB (U) [ 49.586854] Node 0 [ 49.590382] 0*512kB 1*1024kB [ 49.594453] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.596232] (U) 1*2048kB [ 49.600464] lowmem_reserve[]: [ 49.604516] (M) 3*4096kB [ 49.608747] 0 [ 49.612884] (M) = 15908kB [ 49.615115] 2870 [ 49.619339] Node 0 DMA32: [ 49.623656] 6381 [ 49.625710] 7*4kB [ 49.630287] 6381 [ 49.634261] (UM) [ 49.640526] 5*8kB (UM) [ 49.643886] Node 0 [ 49.648111] 6*16kB (UM) [ 49.650094] DMA32 free:29188kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:184kB local_pcp:120kB free_cma:0kB [ 49.654222] 1*32kB (M) [ 49.658192] lowmem_reserve[]: [ 49.660330] 3*64kB (UM) 5*128kB [ 49.664566] 0 [ 49.668700] (UM) 4*256kB (M) [ 49.670941] 0 [ 49.675687] 3*512kB (M) [ 49.677920] 3510 [ 49.682668] 3*1024kB [ 49.685850] 3510 [ 49.687825] (UM) [ 49.702780] 3*2048kB (UM) [ 49.710050] Node 0 [ 49.717309] 4*4096kB (M) [ 49.719558] Normal free:18532kB min:37088kB low:46360kB high:55632kB active_anon:7744kB inactive_anon:248kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3072kB pagetables:1164kB bounce:0kB free_pcp:160kB local_pcp:136kB free_cma:0kB [ 49.726821] = 29188kB [ 49.734081] lowmem_reserve[]: [ 49.736480] Node 0 Normal: [ 49.738462] 0 [ 49.770489] 411*4kB [ 49.773147] 0 [ 49.799854] (UME) 279*8kB [ 49.802521] 0 [ 49.804746] (UME) 230*16kB [ 49.807852] 0 [ 49.833343] (UME) 121*32kB [ 49.839191] (UME) 53*64kB [ 49.841946] Node 0 [ 49.843734] (UM) 13*128kB [ 49.846484] DMA: [ 49.848538] (M) 6*256kB [ 49.851380] 1*4kB [ 49.853433] (M) 1*512kB [ 49.855579] (U) [ 49.857632] (U) 0*1024kB [ 49.859691] 0*8kB [ 49.862268] 0*2048kB 0*4096kB [ 49.864499] 0*16kB [ 49.867159] = 18532kB [ 49.867167] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 49.894134] 1*32kB [ 49.896708] 98 total pagecache pages [ 49.896718] 0 pages in swap cache [ 49.899822] (U) 2*64kB [ 49.903185] Swap cache stats: add 0, delete 0, find 0/0 [ 49.903189] Free swap = 0kB [ 49.904981] (U) [ 49.908074] Total swap = 0kB [ 49.908079] 1965979 pages RAM [ 49.909870] 1*128kB [ 49.912528] 0 pages HighMem/MovableOnly [ 49.912532] 327775 pages reserved [ 49.914590] (U) [ 49.916991] Unreclaimable slab info: [ 49.919054] 1*256kB [ 49.921109] Name Used Total [ 49.923939] (U) 0*512kB [ 49.926176] hashtab_node 118KB 119KB [ 49.928923] 1*1024kB [ 49.957036] ebitmap_node 382KB 389KB [ 49.959438] (U) [ 49.962542] avtab_node 1012KB 1013KB [ 49.965463] 1*2048kB (M) [ 49.967268] TIPC 1KB 7KB [ 49.969582] 3*4096kB [ 49.971381] SCTPv6 2KB 4KB [ 49.974209] (M) = 15908kB [ 49.976045] DCCPv6 2KB 7KB [ 49.978963] Node 0 [ 49.980759] DCCP 2KB 6KB [ 49.983678] DMA32: [ 49.986530] fib6_nodes 0KB 4KB [ 49.988740] 7*4kB [ 49.991577] ip6_dst_cache 6KB 7KB [ 49.993628] (UM) [ 49.996289] RAWv6 9KB 13KB [ 49.996296] UDPv6 12KB 14KB [ 49.998434] 5*8kB [ 50.001097] TCPv6 2KB 5KB [ 50.003059] (UM) [ 50.005825] sd_ext_cdb 0KB 3KB [ 50.007955] 6*16kB [ 50.011137] scsi_sense_cache 72KB 140KB [ 50.013363] (UM) [ 50.015765] virtio_scsi_cmd 16KB 16KB [ 50.024328] 1*32kB (M) [ 50.026562] sgpool-128 8KB 8KB [ 50.030265] 3*64kB [ 50.033710] sgpool-64 4KB 6KB [ 50.036285] (UM) [ 50.041640] sgpool-32 72KB 78KB [ 50.044646] 5*128kB [ 50.046614] sgpool-16 24KB 30KB [ 50.049617] (UM) [ 50.052715] sgpool-8 157KB 161KB [ 50.055027] 4*256kB [ 50.058993] cfq_io_cq 15KB 19KB [ 50.062433] (M) 3*512kB [ 50.064404] cfq_queue 24KB 30KB [ 50.064411] mqueue_inode_cache 1KB 7KB [ 50.068111] (M) [ 50.070428] nfs_commit_data 3KB 7KB [ 50.075954] 3*1024kB [ 50.078616] nfs_write_data 34KB 37KB [ 50.078624] jbd2_inode 1KB 3KB [ 50.083973] (UM) [ 50.086376] ext4_system_zone 0KB 3KB [ 50.091722] 3*2048kB (UM) [ 50.093702] bio-1 1KB 3KB [ 50.099043] 4*4096kB (M) [ 50.101807] rpc_buffers 17KB 19KB [ 50.107153] = 29188kB [ 50.109557] rpc_tasks 2KB 3KB [ 50.114905] Node 0 [ 50.117654] UNIX 780KB 780KB [ 50.123004] Normal: [ 50.125243] tcp_bind_bucket 0KB 4KB [ 50.130589] 411*4kB [ 50.132819] ip_fib_trie 0KB 3KB [ 50.138167] (UME) [ 50.140308] ip_fib_alias 0KB 3KB [ 50.145658] 279*8kB [ 50.147714] ip_dst_cache 3KB 8KB [ 50.153063] (UME) [ 50.158419] RAW 5KB 7KB [ 50.160555] 230*16kB [ 50.165907] UDP 29KB 31KB [ 50.167958] (UME) [ 50.173314] TCP 7KB 7KB [ 50.175546] 121*32kB [ 50.180899] hugetlbfs_inode_cache 1KB 7KB [ 50.182949] (UME) [ 50.188302] eventpoll_pwq 9KB 11KB [ 50.190874] 53*64kB [ 50.196225] eventpoll_epi 18KB 23KB [ 50.198450] (UM) [ 50.203806] inotify_inode_mark 3KB 7KB [ 50.205855] 13*128kB [ 50.211208] request_queue 31KB 45KB [ 50.213532] (M) [ 50.218886] blkdev_ioc 21KB 23KB [ 50.220937] 6*256kB [ 50.226294] bio-0 283KB 285KB [ 50.228604] (M) [ 50.233966] biovec-(1<<(21-12)) 429KB 429KB [ 50.236622] 1*512kB [ 50.241975] biovec-64 100KB 102KB [ 50.247408] (U) [ 50.249376] biovec-16 14KB 15KB [ 50.254723] 0*1024kB 0*2048kB [ 50.257129] bio_integrity_payload 0KB 4KB [ 50.262487] 0*4096kB [ 50.267838] khugepaged_mm_slot 0KB 3KB [ 50.269891] = 18532kB [ 50.275247] uid_cache 0KB 3KB [ 50.278083] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 50.283434] dmaengine-unmap-2 0KB 3KB [ 50.286178] 98 total pagecache pages [ 50.291529] audit_buffer 0KB 3KB [ 50.293929] 0 pages in swap cache [ 50.299278] skbuff_fclone_cache 138KB 142KB [ 50.299284] skbuff_head_cache 1742KB 1743KB [ 50.301514] Swap cache stats: add 0, delete 0, find 0/0 [ 50.306867] configfs_dir_cache 0KB 4KB [ 50.309178] Free swap = 0kB [ 50.314530] file_lock_cache 161KB 166KB [ 50.316840] Total swap = 0kB [ 50.322192] file_lock_ctx 1KB 3KB [ 50.324330] 1965979 pages RAM [ 50.329681] fsnotify_mark_connector 2KB 3KB [ 50.331994] 0 pages HighMem/MovableOnly [ 50.337352] shmem_inode_cache 1054KB 1058KB [ 50.339496] 327775 pages reserved [ 50.344850] task_delay_info 318KB 347KB [ 50.553315] sigqueue 364KB 366KB [ 50.558685] kernfs_node_cache 2292KB 2295KB [ 50.564057] mnt_cache 15KB 20KB [ 50.569427] filp 8313KB 8778KB [ 50.574806] names_cache 110988KB 111018KB [ 50.580180] avc_node 37KB 43KB [ 50.585548] selinux_file_security 419KB 488KB [ 50.591268] selinux_inode_security 1948KB 1952KB [ 50.597072] key_jar 3KB 7KB [ 50.602443] nsproxy 0KB 3KB [ 50.607815] vm_area_struct 18654KB 18663KB [ 50.613183] mm_struct 4520KB 4531KB [ 50.618552] fs_cache 424KB 432KB [ 50.623924] files_cache 1592KB 1593KB [ 50.629300] signal_cache 2538KB 2544KB [ 50.634669] sighand_cache 219KB 319KB [ 50.640042] task_struct 10835KB 10835KB [ 50.645426] cred_jar 2353KB 2356KB [ 50.650802] anon_vma_chain 7819KB 7823KB [ 50.656179] anon_vma 122KB 311KB [ 50.661554] pid 221KB 240KB [ 50.666934] Acpi-Operand 106KB 170KB [ 50.672315] Acpi-Namespace 19KB 23KB [ 50.677693] numa_policy 0KB 3KB [ 50.683074] debug_objects_cache 512KB 516KB [ 50.688624] trace_event_file 145KB 147KB [ 50.694005] ftrace_event_field 257KB 259KB [ 50.699486] pool_workqueue 24KB 28KB [ 50.704872] page->ptl 3104KB 3107KB [ 50.710270] kmalloc-262144 1032KB 1032KB [ 50.715649] kmalloc-131072 650KB 650KB [ 50.721040] kmalloc-65536 264KB 264KB [ 50.726418] kmalloc-32768 825KB 825KB [ 50.731791] kmalloc-16384 181KB 181KB [ 50.737171] kmalloc-8192 519KB 519KB [ 50.742548] kmalloc-4096 6676KB 6706KB [ 50.747923] kmalloc-2048 3227KB 3232KB [ 50.753387] kmalloc-1024 3575KB 3575KB [ 50.758767] kmalloc-512 2765KB 2767KB [ 50.764166] kmalloc-256 1917KB 2508KB [ 50.769547] kmalloc-128 404KB 519KB [ 50.774924] kmalloc-96 2076KB 2076KB [ 50.780301] kmalloc-64 2492KB 2492KB [ 50.785678] kmalloc-32 2399KB 2409KB [ 50.791054] kmalloc-192 916KB 916KB [ 50.796430] kmem_cache 101KB 105KB [ 50.801813] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 50.810440] [ 1826] 0 1826 5366 165 90112 0 -1000 udevd [ 50.818610] [ 3505] 0 3505 14298 172 122880 0 0 rsyslogd [ 50.827037] [ 3560] 0 3560 4725 51 86016 0 0 cron [ 50.835118] [ 3578] 0 3578 3737 44 69632 0 0 mcstransd [ 50.843629] [ 3606] 0 3606 12490 152 139264 0 -1000 sshd [ 50.851716] [ 3630] 0 3630 3694 40 73728 0 0 getty [ 50.859887] [ 3631] 0 3631 3694 38 77824 0 0 getty [ 50.868055] [ 3632] 0 3632 3694 39 69632 0 0 getty [ 50.876224] [ 3633] 0 3633 3694 41 73728 0 0 getty [ 50.884388] [ 3634] 0 3634 3694 41 77824 0 0 getty [ 50.892560] [ 3635] 0 3635 3694 41 73728 0 0 getty [ 50.900737] [ 3636] 0 3636 3649 39 69632 0 0 getty [ 50.908903] [ 3640] 0 3640 5678 454 86016 0 -1000 udevd [ 50.917070] [ 3641] 0 3641 5681 454 86016 0 -1000 udevd [ 50.925239] [ 3658] 0 3658 17821 197 184320 0 0 sshd [ 50.933318] [ 3660] 0 3660 280 1 28672 0 0 syzkaller940240 [ 50.942348] [ 3661] 0 3661 4043 0 28672 0 0 syzkaller940240 [ 50.951379] [ 3662] 0 3662 4043 0 28672 0 0 syzkaller940240 [ 50.960409] [ 3663] 0 3663 4043 0 28672 0 0 syzkaller940240 [ 50.969438] [ 3664] 0 3664 4043 0 28672 0 0 syzkaller940240 [ 50.978476] [ 3665] 0 3665 4043 0 28672 0 0 syzkaller940240 [ 50.987507] [ 3666] 0 3666 4043 0 28672 0 0 syzkaller940240 [ 50.996549] [ 3667] 0 3667 4043 0 28672 0 0 syzkaller940240 [ 51.005585] [ 3668] 0 3668 4043 0 28672 0 0 syzkaller940240 [ 51.014613] Out of memory: Kill process 3658 (sshd) score 0 or sacrifice child [ 51.022395] Killed process 3660 (syzkaller940240) total-vm:1120kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 51.084358] syzkaller940240 (3665) used greatest stack depth: 15264 bytes left [ 51.093091] sshd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 51.104124] sshd cpuset=/ mems_allowed=0 [ 51.105826] syzkaller940240: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 51.108213] CPU: 0 PID: 3658 Comm: sshd Not tainted 4.15.0-rc8-mm1+ #58 [ 51.108220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.119215] syzkaller940240 cpuset= [ 51.125923] Call Trace: [ 51.125941] dump_stack+0x194/0x257 [ 51.125960] ? arch_local_irq_restore+0x53/0x53 [ 51.135291] / [ 51.138882] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.141446] mems_allowed=0 [ 51.145045] dump_header+0x28c/0xe2b [ 51.145065] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.168301] ? pagefault_out_of_memory+0x145/0x145 [ 51.173210] ? __lock_acquire+0x664/0x3e00 [ 51.177438] ? print_irqtrace_events+0x270/0x270 [ 51.182192] ? check_noncircular+0x20/0x20 [ 51.186407] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.191580] ? check_noncircular+0x20/0x20 [ 51.195800] ? print_irqtrace_events+0x270/0x270 [ 51.200544] ? reacquire_held_locks+0x1f9/0x3e0 [ 51.205196] ? reacquire_held_locks+0x1f9/0x3e0 [ 51.209849] ? check_noncircular+0x20/0x20 [ 51.214067] ? task_will_free_mem+0x252/0xaa0 [ 51.218545] ? check_noncircular+0x20/0x20 [ 51.222769] ? print_irqtrace_events+0x270/0x270 [ 51.227516] ? ___ratelimit+0x30d/0x630 [ 51.231472] ? lock_downgrade+0x980/0x980 [ 51.235605] ? lock_release+0xa40/0xa40 [ 51.239566] ? mark_held_locks+0xaf/0x100 [ 51.243696] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.248784] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.253790] ? trace_hardirqs_on+0xd/0x10 [ 51.257925] ? ___ratelimit+0x95/0x630 [ 51.261796] ? idr_get_free_cmn+0xfd0/0xfd0 [ 51.266101] ? check_noncircular+0x20/0x20 [ 51.270337] oom_kill_process+0x81b/0x9f0 [ 51.274472] ? lock_release+0xa40/0xa40 [ 51.278432] ? oom_kill_memcg_member+0x20/0x20 [ 51.283005] ? oom_evaluate_task+0x480/0x480 [ 51.287404] ? out_of_memory+0xe1c/0x1790 [ 51.291536] ? lock_downgrade+0x980/0x980 [ 51.295672] ? lock_release+0xa40/0xa40 [ 51.299626] ? find_next_bit+0xcc/0x100 [ 51.303597] ? oom_evaluate_task+0x284/0x480 [ 51.307992] out_of_memory+0x9d5/0x1790 [ 51.311964] ? oom_killer_disable+0x310/0x310 [ 51.316450] ? mutex_trylock+0x23a/0x2d0 [ 51.320493] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 51.325413] ? __lock_is_held+0xb6/0x140 [ 51.329458] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.334905] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 51.339772] ? warn_alloc+0x2b0/0x2b0 [ 51.343553] ? lock_downgrade+0x980/0x980 [ 51.347699] ? radix_tree_lookup_slot+0x99/0xe0 [ 51.352371] ? find_get_entry+0x53c/0x9e0 [ 51.356503] ? print_irqtrace_events+0x270/0x270 [ 51.361271] ? __lock_acquire+0x664/0x3e00 [ 51.365509] ? __lock_is_held+0xb6/0x140 [ 51.369572] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.375453] ? __might_sleep+0x95/0x190 [ 51.379417] __alloc_pages_nodemask+0x9fb/0xd80 [ 51.384082] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 51.389079] ? add_to_page_cache_lru+0x510/0x510 [ 51.393827] ? check_noncircular+0x20/0x20 [ 51.398044] ? check_noncircular+0x20/0x20 [ 51.402271] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 51.407042] alloc_pages_current+0xb6/0x1e0 [ 51.411354] __page_cache_alloc+0x334/0x500 [ 51.415659] ? rcu_read_lock_held+0xa9/0xc0 [ 51.420488] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 51.427848] filemap_fault+0xf34/0x1ca0 [ 51.431805] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.436989] ? __lock_page_or_retry+0x4f0/0x4f0 [ 51.441640] ? print_irqtrace_events+0x270/0x270 [ 51.446380] ? filemap_map_pages+0x942/0x15d0 [ 51.450876] ? find_get_entries_tag+0xeb0/0xeb0 [ 51.455529] ? __lock_acquire+0x664/0x3e00 [ 51.459750] ? check_noncircular+0x20/0x20 [ 51.463968] ? print_irqtrace_events+0x270/0x270 [ 51.468702] ? add_wait_queue+0x290/0x290 [ 51.472834] ? print_irqtrace_events+0x270/0x270 [ 51.477568] ? print_irqtrace_events+0x270/0x270 [ 51.482307] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.487480] ? free_obj_work+0x690/0x690 [ 51.491529] ? cpumask_local_spread+0x260/0x260 [ 51.496191] ? lock_acquire+0x1d5/0x580 [ 51.500144] ? lock_acquire+0x1d5/0x580 [ 51.504103] ? ext4_filemap_fault+0x7a/0xad [ 51.508408] ? __lock_acquire+0x664/0x3e00 [ 51.512627] ? lock_release+0xa40/0xa40 [ 51.516581] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.522446] ? __sigqueue_free.part.16+0x51/0x60 [ 51.527186] ? rcu_note_context_switch+0x710/0x710 [ 51.532107] ? __might_sleep+0x95/0x190 [ 51.536069] ? down_read+0x96/0x150 [ 51.539674] ? ext4_filemap_fault+0x7a/0xad [ 51.543981] ? __down_interruptible+0x6b0/0x6b0 [ 51.548644] ? rcu_pm_notify+0xc0/0xc0 [ 51.552522] ext4_filemap_fault+0x82/0xad [ 51.556655] __do_fault+0xeb/0x315 [ 51.560177] ? find_held_lock+0x35/0x1d0 [ 51.564218] ? pte_offset_kernel+0xc7/0xc7 [ 51.568443] ? __set_current_blocked+0xcf/0x110 [ 51.573094] ? check_noncircular+0x20/0x20 [ 51.577323] __handle_mm_fault+0x1d8f/0x3ce0 [ 51.581721] ? __pmd_alloc+0x4e0/0x4e0 [ 51.585596] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.590600] ? find_held_lock+0x35/0x1d0 [ 51.594657] ? handle_mm_fault+0x2a0/0x930 [ 51.598873] ? lock_downgrade+0x980/0x980 [ 51.603045] handle_mm_fault+0x38f/0x930 [ 51.607087] ? down_read_trylock+0xdb/0x170 [ 51.611390] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 51.615950] ? vmacache_find+0x5f/0x280 [ 51.619901] ? vmacache_update+0xfe/0x130 [ 51.624033] ? find_vma+0x30/0x150 [ 51.627560] __do_page_fault+0x5c9/0xc90 [ 51.631612] ? mm_fault_error+0x2c0/0x2c0 [ 51.635738] ? exit_to_usermode_loop+0x8c/0x2f0 [ 51.640405] do_page_fault+0xee/0x720 [ 51.644188] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 51.649710] ? __do_page_fault+0xc90/0xc90 [ 51.653941] ? syscall_return_slowpath+0x2ad/0x550 [ 51.658850] ? prepare_exit_to_usermode+0x340/0x340 [ 51.663843] ? SyS_write+0x184/0x220 [ 51.667541] ? return_from_SYSCALL_64+0x10/0x75 [ 51.672195] ? page_fault+0x36/0x60 [ 51.675805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.680637] ? page_fault+0x36/0x60 [ 51.684246] page_fault+0x4c/0x60 [ 51.687683] RIP: 0033:0x5561223ee530 [ 51.691372] RSP: 002b:00007ffc4b1609b8 EFLAGS: 00010246 [ 51.696715] RAX: 0000000000000000 RBX: 00007ffc4b160fd0 RCX: 00007fbe91d8add3 [ 51.703967] RDX: 00007ffc4b1609c0 RSI: 00007ffc4b160af0 RDI: 0000000000000011 [ 51.711220] RBP: 00005561226558dc R08: 00007ffc4b160f70 R09: 0101010101010101 [ 51.718470] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc4b160fd8 [ 51.725719] R13: 0000000000000000 R14: 00007ffc4b160fc8 R15: 00007ffc4b160fcc [ 51.732999] CPU: 1 PID: 3663 Comm: syzkaller940240 Not tainted 4.15.0-rc8-mm1+ #58 [ 51.733143] Mem-Info: [ 51.740698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.740702] Call Trace: [ 51.740714] dump_stack+0x194/0x257 [ 51.740728] ? arch_local_irq_restore+0x53/0x53 [ 51.740737] ? idr_get_free_cmn+0xfd0/0xfd0 [ 51.743162] active_anon:1942 inactive_anon:63 isolated_anon:0 [ 51.743162] active_file:23 inactive_file:0 isolated_file:0 [ 51.743162] unevictable:0 dirty:0 writeback:0 unstable:0 [ 51.743162] slab_reclaimable:7298 slab_unreclaimable:82921 [ 51.743162] mapped:2 shmem:70 pagetables:290 bounce:0 [ 51.743162] free:15887 free_pcp:198 free_cma:0 [ 51.752449] ? debug_object_destroy+0x2b0/0x2b0 [ 51.752474] warn_alloc+0x19a/0x2b0 [ 51.755052] Node 0 active_anon:7768kB inactive_anon:252kB active_file:92kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 51.758630] ? zone_watermark_ok_safe+0x400/0x400 [ 51.758652] ? __next_timer_interrupt+0x150/0x150 [ 51.763305] Node 0 [ 51.767589] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.767598] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.767625] __alloc_pages_slowpath+0x2501/0x2cc0 [ 51.799729] 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 [ 51.804373] ? warn_alloc+0x2b0/0x2b0 [ 51.807969] lowmem_reserve[]: [ 51.834294] ? check_noncircular+0x20/0x20 [ 51.834317] ? print_irqtrace_events+0x270/0x270 [ 51.834337] ? check_noncircular+0x20/0x20 [ 51.839160] 0 [ 51.843954] ? find_held_lock+0x35/0x1d0 [ 51.843974] ? lock_acquire+0x1d5/0x580 [ 51.843982] ? lock_acquire+0x1d5/0x580 [ 51.846208] 2870 [ 51.851622] ? __lock_acquire+0x664/0x3e00 [ 51.851642] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.857511] 6381 [ 51.862311] ? lock_release+0xa40/0xa40 [ 51.862386] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.887831] 6381 [ 51.891605] ? __might_sleep+0x95/0x190 [ 51.891623] __alloc_pages_nodemask+0x9fb/0xd80 [ 51.898896] ? lock_release+0xa40/0xa40 [ 51.898914] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 51.898937] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 51.903668] Node 0 [ 51.907865] ? print_irqtrace_events+0x270/0x270 [ 51.907888] ? __lock_is_held+0xb6/0x140 [ 51.909684] DMA32 free:29188kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:16kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:192kB local_pcp:120kB free_cma:0kB [ 51.913787] ? find_next_bit+0xcc/0x100 [ 51.913809] pcpu_populate_chunk+0x1b3/0x880 [ 51.917760] lowmem_reserve[]: [ 51.921691] ? find_last_bit+0xc7/0xd0 [ 51.921717] pcpu_alloc+0x978/0x10e0 [ 51.923763] 0 [ 51.927976] ? pcpu_free_area+0xa00/0xa00 [ 51.927992] ? vmap_page_range_noflush+0x523/0x720 [ 51.933863] 0 [ 51.935897] ? retint_kernel+0x10/0x10 [ 51.935911] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.939873] 3510 [ 51.945707] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 51.945729] ? retint_kernel+0x10/0x10 [ 51.947777] 3510 [ 51.951726] ? pcpu_alloc+0x184/0x10e0 [ 51.951745] __alloc_percpu_gfp+0x27/0x30 [ 51.960323] array_map_alloc+0x794/0x990 [ 51.960344] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 51.965345] Node 0 [ 51.970236] SyS_bpf+0x93c/0x4840 [ 51.970248] ? perf_event_mmap+0x115/0x12a0 [ 51.970263] ? bpf_prog_get+0x20/0x20 [ 51.972583] Normal free:18452kB min:37088kB low:46360kB high:55632kB active_anon:7740kB inactive_anon:248kB active_file:100kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3008kB pagetables:1160kB bounce:0kB free_pcp:600kB local_pcp:436kB free_cma:0kB [ 51.977289] ? perf_event_fork+0x30/0x30 [ 51.977313] ? __lock_is_held+0xb6/0x140 [ 51.981356] lowmem_reserve[]: [ 52.008388] ? check_noncircular+0x20/0x20 [ 52.008397] ? vma_wants_writenotify+0x51/0x3b0 [ 52.008415] ? __handle_mm_fault+0x80e/0x3ce0 [ 52.012393] 0 [ 52.016764] ? check_noncircular+0x20/0x20 [ 52.016772] ? __pmd_alloc+0x4e0/0x4e0 [ 52.016779] ? vma_link+0xe9/0x170 [ 52.019872] 0 [ 52.023731] ? find_held_lock+0x35/0x1d0 [ 52.023753] ? handle_mm_fault+0x2a0/0x930 [ 52.027444] 0 [ 52.029212] ? find_held_lock+0x35/0x1d0 [ 52.029236] ? __do_page_fault+0x5f7/0xc90 [ 52.033362] 0 [ 52.038251] ? lock_downgrade+0x980/0x980 [ 52.038276] ? handle_mm_fault+0x476/0x930 [ 52.043905] ? down_read_trylock+0xdb/0x170 [ 52.043919] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 52.043926] ? vmacache_find+0x5f/0x280 [ 52.043934] ? vmacache_update+0xfe/0x130 [ 52.048940] Node 0 [ 52.050976] ? up_read+0x1a/0x40 [ 52.050986] ? __do_page_fault+0x3d6/0xc90 [ 52.051008] ? mm_fault_error+0x2c0/0x2c0 [ 52.055751] DMA: [ 52.059606] ? do_page_fault+0xee/0x720 [ 52.059624] ? __do_page_fault+0xc90/0xc90 [ 52.061671] 1*4kB [ 52.065526] ? SyS_mmap_pgoff+0x243/0x5f0 [ 52.065554] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 52.069672] (U) [ 52.073702] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 52.073712] RIP: 0033:0x440179 [ 52.078976] 0*8kB [ 52.081164] RSP: 002b:00007ffc3762cae8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 52.081174] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 52.081180] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 52.081185] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 52.081191] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 52.084634] 0*16kB [ 52.088911] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 52.089039] Mem-Info: [ 52.092735] 1*32kB [ 52.120835] active_anon:1942 inactive_anon:63 isolated_anon:0 [ 52.120835] active_file:23 inactive_file:0 isolated_file:0 [ 52.120835] unevictable:0 dirty:0 writeback:0 unstable:0 [ 52.120835] slab_reclaimable:7298 slab_unreclaimable:82921 [ 52.120835] mapped:2 shmem:70 pagetables:290 bounce:0 [ 52.120835] free:15887 free_pcp:198 free_cma:0 [ 52.120851] Node 0 active_anon:7768kB inactive_anon:252kB active_file:92kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 52.124893] (U) [ 52.128934] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 52.128952] lowmem_reserve[]: [ 52.132048] 2*64kB [ 52.136260] 0 2870 6381 6381 [ 52.140928] (U) [ 52.145407] Node 0 DMA32 free:29188kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:16kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:192kB local_pcp:72kB free_cma:0kB [ 52.145423] lowmem_reserve[]: [ 52.147217] 1*128kB [ 52.151431] 0 0 3510 3510 [ 52.155318] (U) [ 52.158839] Node 0 Normal free:18452kB min:37088kB low:46360kB high:55632kB active_anon:7740kB inactive_anon:248kB active_file:100kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:3008kB pagetables:1160kB bounce:0kB free_pcp:600kB local_pcp:164kB free_cma:0kB [ 52.160644] 1*256kB [ 52.164686] lowmem_reserve[]: 0 0 0 [ 52.168924] (U) [ 52.170707] 0 [ 52.170716] Node 0 [ 52.174769] 0*512kB [ 52.178983] DMA: 1*4kB (U) [ 52.180790] 1*1024kB [ 52.184918] 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB [ 52.189168] (U) [ 52.193477] (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) [ 52.198072] 1*2048kB [ 52.202026] = 15908kB [ 52.202029] Node 0 DMA32: [ 52.206172] (M) [ 52.208394] 7*4kB (UM) 5*8kB [ 52.211760] 3*4096kB [ 52.215975] (UM) 6*16kB (UM) [ 52.220127] (M) [ 52.222189] 1*32kB (M) 3*64kB [ 52.226165] = 15908kB [ 52.230377] (UM) 5*128kB (UM) 4*256kB [ 52.232531] Node 0 [ 52.236658] (M) 3*512kB (M) 3*1024kB [ 52.241414] DMA32: [ 52.243371] (UM) 3*2048kB (UM) [ 52.248161] 7*4kB [ 52.251302] 4*4096kB (M) = 29188kB [ 52.251313] Node 0 [ 52.253453] (UM) [ 52.261141] Normal: 408*4kB (UME) [ 52.268417] 5*8kB [ 52.275670] 282*8kB (ME) 228*16kB (UME) [ 52.282947] (UM) [ 52.290200] 121*32kB (UME) 53*64kB (UM) [ 52.292444] 6*16kB [ 52.299700] 13*128kB (M) 6*256kB (M) [ 52.302119] (UM) [ 52.304341] 1*512kB (U) 0*1024kB [ 52.336367] 1*32kB [ 52.362715] 0*2048kB 0*4096kB = 18512kB [ 52.364697] (M) [ 52.390789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 52.390794] 98 total pagecache pages [ 52.393892] 3*64kB [ 52.396115] 0 pages in swap cache [ 52.396121] Swap cache stats: add 0, delete 0, find 0/0 [ 52.399218] (UM) [ 52.401175] Free swap = 0kB [ 52.401179] Total swap = 0kB [ 52.401185] 1965979 pages RAM [ 52.428761] 5*128kB [ 52.431848] 0 pages HighMem/MovableOnly [ 52.431852] 327775 pages reserved [ 52.633215] (UM) 4*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 29188kB [ 52.641783] Node 0 Normal: 408*4kB (UME) 282*8kB (ME) 228*16kB (UME) 121*32kB (UME) 53*64kB (UM) 13*128kB (M) 6*256kB (M) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18512kB [ 52.657264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 52.665855] 98 total pagecache pages [ 52.669584] 0 pages in swap cache [ 52.673047] Swap cache stats: add 0, delete 0, find 0/0 [ 52.678422] Free swap = 0kB [ 52.681449] Total swap = 0kB [ 52.684481] 1965979 pages RAM [ 52.687593] 0 pages HighMem/MovableOnly [ 52.691576] 327775 pages reserved [ 52.695038] Unreclaimable slab info: [ 52.698762] Name Used Total [ 52.704315] hashtab_node 118KB 119KB [ 52.709690] ebitmap_node 382KB 389KB [ 52.715073] avtab_node 1012KB 1013KB [ 52.720453] TIPC 1KB 7KB [ 52.725847] SCTPv6 2KB 4KB [ 52.731231] DCCPv6 2KB 7KB [ 52.736611] DCCP 2KB 6KB [ 52.742033] fib6_nodes 0KB 4KB [ 52.747415] ip6_dst_cache 6KB 7KB [ 52.752794] RAWv6 9KB 13KB [ 52.758173] UDPv6 12KB 14KB [ 52.763551] TCPv6 2KB 5KB [ 52.768963] sd_ext_cdb 0KB 3KB [ 52.774356] scsi_sense_cache 72KB 140KB [ 52.779729] virtio_scsi_cmd 16KB 16KB [ 52.785111] sgpool-128 8KB 8KB [ 52.790483] sgpool-64 4KB 6KB [ 52.795865] sgpool-32 72KB 78KB [ 52.801248] sgpool-16 24KB 30KB [ 52.806632] sgpool-8 157KB 161KB [ 52.812034] cfq_io_cq 15KB 19KB [ 52.817428] cfq_queue 24KB 30KB [ 52.822815] mqueue_inode_cache 1KB 7KB [ 52.828288] nfs_commit_data 3KB 7KB [ 52.833670] nfs_write_data 34KB 37KB [ 52.839059] jbd2_inode 1KB 3KB [ 52.844443] ext4_system_zone 0KB 3KB [ 52.849839] bio-1 1KB 3KB [ 52.855239] rpc_buffers 17KB 19KB [ 52.860628] rpc_tasks 2KB 3KB [ 52.866054] UNIX 780KB 780KB [ 52.871439] tcp_bind_bucket 0KB 4KB [ 52.876825] ip_fib_trie 0KB 3KB [ 52.882207] ip_fib_alias 0KB 3KB [ 52.887590] ip_dst_cache 3KB 8KB [ 52.892994] RAW 5KB 7KB [ 52.898384] UDP 29KB 31KB [ 52.903770] TCP 7KB 7KB [ 52.909148] hugetlbfs_inode_cache 1KB 7KB [ 52.914882] eventpoll_pwq 9KB 11KB [ 52.920266] eventpoll_epi 18KB 23KB [ 52.925644] inotify_inode_mark 3KB 7KB [ 52.931114] request_queue 31KB 39KB [ 52.936498] blkdev_ioc 21KB 23KB [ 52.941879] bio-0 282KB 285KB [ 52.947267] biovec-(1<<(21-12)) 429KB 429KB [ 52.952827] biovec-64 100KB 102KB [ 52.958208] biovec-16 14KB 15KB [ 52.963588] bio_integrity_payload 0KB 4KB [ 52.969319] khugepaged_mm_slot 0KB 3KB [ 52.974796] uid_cache 0KB 3KB [ 52.980175] dmaengine-unmap-2 0KB 3KB [ 52.985556] audit_buffer 0KB 3KB [ 52.990934] skbuff_fclone_cache 138KB 142KB [ 52.996485] skbuff_head_cache 1742KB 1743KB [ 53.001867] configfs_dir_cache 0KB 4KB [ 53.007336] file_lock_cache 161KB 166KB [ 53.012714] file_lock_ctx 1KB 3KB [ 53.018103] fsnotify_mark_connector 2KB 3KB [ 53.024040] shmem_inode_cache 1054KB 1058KB [ 53.029421] task_delay_info 318KB 347KB [ 53.034804] sigqueue 369KB 370KB [ 53.040185] kernfs_node_cache 2292KB 2295KB [ 53.045562] mnt_cache 15KB 20KB [ 53.050938] filp 8285KB 8748KB [ 53.056318] names_cache 110988KB 111010KB [ 53.061706] avc_node 37KB 43KB [ 53.067099] selinux_file_security 416KB 488KB [ 53.072825] selinux_inode_security 1948KB 1952KB [ 53.078646] key_jar 3KB 7KB [ 53.084036] nsproxy 0KB 3KB [ 53.089416] vm_area_struct 18654KB 18663KB [ 53.094795] mm_struct 4520KB 4531KB [ 53.100178] fs_cache 424KB 432KB [ 53.105556] files_cache 1592KB 1593KB [ 53.110943] signal_cache 2538KB 2544KB [ 53.116327] sighand_cache 217KB 319KB [ 53.121715] task_struct 10835KB 10835KB [ 53.127099] cred_jar 2353KB 2356KB [ 53.132478] anon_vma_chain 7819KB 7823KB [ 53.137859] anon_vma 121KB 311KB [ 53.143241] pid 221KB 240KB [ 53.148627] Acpi-Operand 106KB 170KB [ 53.154039] Acpi-Namespace 19KB 23KB [ 53.159422] numa_policy 0KB 3KB [ 53.164808] debug_objects_cache 512KB 516KB [ 53.170363] trace_event_file 145KB 147KB [ 53.176525] ftrace_event_field 257KB 259KB [ 53.181993] pool_workqueue 24KB 28KB [ 53.187376] page->ptl 3103KB 3107KB [ 53.192777] kmalloc-262144 1032KB 1032KB [ 53.198251] kmalloc-131072 650KB 650KB [ 53.203629] kmalloc-65536 264KB 264KB [ 53.209037] kmalloc-32768 825KB 825KB [ 53.214415] kmalloc-16384 181KB 181KB [ 53.219797] kmalloc-8192 519KB 519KB [ 53.225184] kmalloc-4096 6676KB 6698KB [ 53.230560] kmalloc-2048 3227KB 3232KB [ 53.235939] kmalloc-1024 3575KB 3575KB [ 53.241323] kmalloc-512 2765KB 2767KB [ 53.246708] kmalloc-256 1904KB 2493KB [ 53.252095] kmalloc-128 404KB 519KB [ 53.257479] kmalloc-96 2080KB 2080KB [ 53.262858] kmalloc-64 2492KB 2492KB [ 53.268239] kmalloc-32 2399KB 2409KB [ 53.273623] kmalloc-192 920KB 920KB [ 53.279008] kmem_cache 101KB 105KB [ 53.284406] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 53.293084] [ 1826] 0 1826 5366 165 90112 0 -1000 udevd [ 53.301264] [ 3505] 0 3505 14298 172 122880 0 0 rsyslogd [ 53.309696] [ 3560] 0 3560 4725 51 86016 0 0 cron [ 53.317788] [ 3578] 0 3578 3737 44 69632 0 0 mcstransd [ 53.326310] [ 3606] 0 3606 12490 152 139264 0 -1000 sshd [ 53.334401] [ 3630] 0 3630 3694 40 73728 0 0 getty [ 53.342574] [ 3631] 0 3631 3694 38 77824 0 0 getty [ 53.350751] [ 3632] 0 3632 3694 39 69632 0 0 getty [ 53.358925] [ 3633] 0 3633 3694 41 73728 0 0 getty [ 53.367100] [ 3634] 0 3634 3694 41 77824 0 0 getty [ 53.375281] [ 3635] 0 3635 3694 41 73728 0 0 getty [ 53.383457] [ 3636] 0 3636 3649 39 69632 0 0 getty [ 53.391637] [ 3640] 0 3640 5678 454 86016 0 -1000 udevd [ 53.399818] [ 3641] 0 3641 5681 454 86016 0 -1000 udevd [ 53.407997] [ 3658] 0 3658 17821 197 184320 0 0 sshd [ 53.416980] [ 3661] 0 3661 4043 0 28672 0 0 syzkaller940240 [ 53.426058] [ 3662] 0 3662 4043 0 28672 0 0 syzkaller940240 [ 53.435101] [ 3664] 0 3664 4043 0 28672 0 0 syzkaller940240 [ 53.444153] [ 3666] 0 3666 4043 0 28672 0 0 syzkaller940240 [ 53.453206] [ 3667] 0 3667 4043 0 28672 0 0 syzkaller940240 [ 53.462269] [ 3668] 0 3668 4043 0 28672 0 0 syzkaller940240 [ 53.471314] Out of memory: Kill process 3658 (sshd) score 0 or sacrifice child [ 53.478726] Killed process 3658 (sshd) total-vm:71284kB, anon-rss:784kB, file-rss:0kB, shmem-rss:4kB [ 53.490222] syzkaller940240: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 53.490476] oom_reaper: reaped process 3658 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB [ 53.501285] syzkaller940240 cpuset=/ mems_allowed=0 [ 53.515010] sshd invoked oom-killer: gfp_mask=0x14142c0(GFP_KERNEL|__GFP_NOWARN|__GFP_COMP|__GFP_NOMEMALLOC), nodemask=(null), order=1, oom_score_adj=0 [ 53.515311] CPU: 1 PID: 3661 Comm: syzkaller940240 Not tainted 4.15.0-rc8-mm1+ #58 [ 53.529069] sshd cpuset= [ 53.536706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.536710] Call Trace: [ 53.536728] dump_stack+0x194/0x257 [ 53.536741] ? arch_local_irq_restore+0x53/0x53 [ 53.536748] ? idr_get_free_cmn+0xfd0/0xfd0 [ 53.536759] ? debug_object_destroy+0x2b0/0x2b0 [ 53.536782] warn_alloc+0x19a/0x2b0 [ 53.536798] ? zone_watermark_ok_safe+0x400/0x400 [ 53.536815] ? __next_timer_interrupt+0x150/0x150 [ 53.539549] / [ 53.548842] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 53.548851] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 53.548877] __alloc_pages_slowpath+0x2501/0x2cc0 [ 53.551513] mems_allowed=0 [ 53.555144] ? warn_alloc+0x2b0/0x2b0 [ 53.606387] ? print_irqtrace_events+0x270/0x270 [ 53.611132] ? __sched_text_start+0x8/0x8 [ 53.615278] ? lock_acquire+0x1d5/0x580 [ 53.619233] ? lock_acquire+0x1d5/0x580 [ 53.623196] ? __lock_acquire+0x664/0x3e00 [ 53.627420] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 53.633286] ? lock_release+0xa40/0xa40 [ 53.637300] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 53.643182] ? __might_sleep+0x95/0x190 [ 53.647146] __alloc_pages_nodemask+0x9fb/0xd80 [ 53.651796] ? lock_release+0xa40/0xa40 [ 53.655761] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 53.660773] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 53.665699] ? print_irqtrace_events+0x270/0x270 [ 53.670446] ? __lock_is_held+0xb6/0x140 [ 53.674503] ? find_next_bit+0xcc/0x100 [ 53.678471] pcpu_populate_chunk+0x1b3/0x880 [ 53.682867] ? find_last_bit+0xc7/0xd0 [ 53.686749] pcpu_alloc+0x978/0x10e0 [ 53.690463] ? pcpu_free_area+0xa00/0xa00 [ 53.694602] ? vmap_page_range_noflush+0x523/0x720 [ 53.699528] ? retint_kernel+0x10/0x10 [ 53.703399] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.708396] ? retint_kernel+0x10/0x10 [ 53.712270] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.717282] ? retint_kernel+0x10/0x10 [ 53.721164] ? array_map_alloc+0x72e/0x990 [ 53.725384] __alloc_percpu_gfp+0x27/0x30 [ 53.729519] array_map_alloc+0x794/0x990 [ 53.733569] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 53.738829] SyS_bpf+0x93c/0x4840 [ 53.742266] ? perf_event_mmap+0x115/0x12a0 [ 53.746577] ? bpf_prog_get+0x20/0x20 [ 53.750364] ? perf_event_fork+0x30/0x30 [ 53.754422] ? __lock_is_held+0xb6/0x140 [ 53.758467] ? check_noncircular+0x20/0x20 [ 53.762689] ? vma_wants_writenotify+0x51/0x3b0 [ 53.767347] ? __handle_mm_fault+0x80e/0x3ce0 [ 53.771832] ? check_noncircular+0x20/0x20 [ 53.776051] ? __pmd_alloc+0x4e0/0x4e0 [ 53.779918] ? vma_link+0xe9/0x170 [ 53.783458] ? find_held_lock+0x35/0x1d0 [ 53.787518] ? handle_mm_fault+0x2a0/0x930 [ 53.791739] ? find_held_lock+0x35/0x1d0 [ 53.795795] ? __do_page_fault+0x5f7/0xc90 [ 53.800015] ? lock_downgrade+0x980/0x980 [ 53.804161] ? handle_mm_fault+0x476/0x930 [ 53.808381] ? down_read_trylock+0xdb/0x170 [ 53.812688] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 53.817251] ? vmacache_find+0x5f/0x280 [ 53.821206] ? vmacache_update+0xfe/0x130 [ 53.825343] ? up_read+0x1a/0x40 [ 53.828690] ? __do_page_fault+0x3d6/0xc90 [ 53.832919] ? mm_fault_error+0x2c0/0x2c0 [ 53.837070] ? do_page_fault+0xee/0x720 [ 53.841037] ? __do_page_fault+0xc90/0xc90 [ 53.845267] ? SyS_mmap_pgoff+0x243/0x5f0 [ 53.849415] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 53.854168] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 53.858901] RIP: 0033:0x440179 [ 53.862073] RSP: 002b:00007ffc3762cae8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 53.869764] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 53.877017] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 53.884266] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 53.891516] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 53.898764] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 53.906053] CPU: 0 PID: 3658 Comm: sshd Not tainted 4.15.0-rc8-mm1+ #58 [ 53.906135] Mem-Info: [ 53.912788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.912791] Call Trace: [ 53.912804] dump_stack+0x194/0x257 [ 53.912822] ? arch_local_irq_restore+0x53/0x53 [ 53.915225] active_anon:1757 inactive_anon:63 isolated_anon:0 [ 53.915225] active_file:14 inactive_file:14 isolated_file:0 [ 53.915225] unevictable:0 dirty:0 writeback:0 unstable:0 [ 53.915225] slab_reclaimable:7298 slab_unreclaimable:82924 [ 53.915225] mapped:2 shmem:70 pagetables:244 bounce:0 [ 53.915225] free:16085 free_pcp:245 free_cma:0 [ 53.924529] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 53.924553] dump_header+0x28c/0xe2b [ 53.927125] Node 0 active_anon:7028kB inactive_anon:252kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 53.930714] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 53.930730] ? pagefault_out_of_memory+0x145/0x145 [ 53.935375] Node 0 [ 53.967440] ? __lock_acquire+0x664/0x3e00 [ 53.967454] ? print_irqtrace_events+0x270/0x270 [ 53.967479] ? check_noncircular+0x20/0x20 [ 53.972655] 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 [ 53.976322] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 53.976349] ? reacquire_held_locks+0x1f9/0x3e0 [ 54.002785] lowmem_reserve[]: [ 54.007933] ? reacquire_held_locks+0x1f9/0x3e0 [ 54.007945] ? check_noncircular+0x20/0x20 [ 54.007958] ? task_will_free_mem+0x252/0xaa0 [ 54.012867] 0 [ 54.015069] ? check_noncircular+0x20/0x20 [ 54.015086] ? print_irqtrace_events+0x270/0x270 [ 54.015106] ? ___ratelimit+0x30d/0x630 [ 54.019312] 2870 [ 54.024028] ? lock_downgrade+0x980/0x980 [ 54.024046] ? lock_release+0xa40/0xa40 [ 54.028261] 6381 [ 54.053740] ? mark_held_locks+0xaf/0x100 [ 54.053757] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 54.058928] 6381 [ 54.063559] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.063570] ? trace_hardirqs_on+0xd/0x10 [ 54.063584] ? ___ratelimit+0x95/0x630 [ 54.071298] ? idr_get_free_cmn+0xfd0/0xfd0 [ 54.071310] ? check_noncircular+0x20/0x20 [ 54.071332] oom_kill_process+0x81b/0x9f0 [ 54.075539] Node 0 [ 54.079996] ? lock_release+0xa40/0xa40 [ 54.080012] ? oom_kill_memcg_member+0x20/0x20 [ 54.080029] ? oom_evaluate_task+0x480/0x480 [ 54.080050] ? out_of_memory+0xe1c/0x1790 [ 54.081843] DMA32 free:29188kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:204kB local_pcp:84kB free_cma:0kB [ 54.086029] ? lock_downgrade+0x980/0x980 [ 54.086045] ? lock_release+0xa40/0xa40 [ 54.090778] lowmem_reserve[]: [ 54.094712] ? find_next_bit+0xcc/0x100 [ 54.094723] ? blocking_notifier_call_chain+0x112/0x190 [ 54.094746] ? oom_evaluate_task+0x284/0x480 [ 54.096780] 0 [ 54.100901] out_of_memory+0x9d5/0x1790 [ 54.100925] ? oom_killer_disable+0x310/0x310 [ 54.104867] 0 [ 54.106902] ? mutex_trylock+0x23a/0x2d0 [ 54.106911] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 54.112078] 3510 [ 54.117146] ? __lock_is_held+0xb6/0x140 [ 54.117156] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 54.117183] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 54.119210] 3510 [ 54.124235] ? warn_alloc+0x2b0/0x2b0 [ 54.132197] ? warn_alloc+0x2b0/0x2b0 [ 54.132212] ? print_irqtrace_events+0x270/0x270 [ 54.136509] Node 0 [ 54.140704] ? warn_alloc+0x2b0/0x2b0 [ 54.140716] ? print_irqtrace_events+0x270/0x270 [ 54.140764] ? should_fail+0x23b/0xa40 [ 54.144867] Normal free:19244kB min:37088kB low:46360kB high:55632kB active_anon:7000kB inactive_anon:248kB active_file:56kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:2976kB pagetables:976kB bounce:0kB free_pcp:776kB local_pcp:120kB free_cma:0kB [ 54.147052] ? __lock_acquire+0x664/0x3e00 [ 54.147066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 54.147097] ? __lock_is_held+0xb6/0x140 [ 54.151033] lowmem_reserve[]: [ 54.155599] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 54.159984] 0 [ 54.164091] ? depot_save_stack+0x2ca/0x460 [ 54.164115] ? __might_sleep+0x95/0x190 [ 54.190982] 0 [ 54.195103] __alloc_pages_nodemask+0x9fb/0xd80 [ 54.195123] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 54.199063] 0 [ 54.202131] ? __alloc_pages_nodemask+0xadb/0xd80 [ 54.202144] ? print_irqtrace_events+0x270/0x270 [ 54.202158] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 54.206109] 0 [ 54.211447] ? find_held_lock+0x35/0x1d0 [ 54.211478] ? cache_grow_begin+0x3bb/0x570 [ 54.217627] cache_grow_begin+0x72/0x570 [ 54.217646] fallback_alloc+0x13b/0x2a0 [ 54.221591] Node 0 [ 54.226056] ____cache_alloc_node+0x1cc/0x1e0 [ 54.226074] kmem_cache_alloc_node_trace+0xe9/0x750 [ 54.227849] DMA: [ 54.231894] __kmalloc_node_track_caller+0x33/0x70 [ 54.236800] 1*4kB [ 54.238834] __kmalloc_reserve.isra.39+0x41/0xd0 [ 54.238850] __alloc_skb+0x13b/0x780 [ 54.242883] (U) [ 54.248303] ? skb_copy_and_csum_dev+0x370/0x370 [ 54.248309] ? free_obj_work+0x690/0x690 [ 54.248335] ? __lock_is_held+0xb6/0x140 [ 54.253142] 0*8kB [ 54.255188] ? rcu_read_lock_sched_held+0x108/0x120 [ 54.258964] 0*16kB [ 54.262736] tcp_send_fin+0x27f/0xd20 [ 54.262745] ? inet_sendpage+0x660/0x660 [ 54.267479] 1*32kB [ 54.269682] ? sk_forced_mem_schedule+0x150/0x150 [ 54.269698] ? mark_held_locks+0xaf/0x100 [ 54.273476] (U) [ 54.278197] ? do_raw_spin_trylock+0x190/0x190 [ 54.278210] ? __local_bh_enable_ip+0x121/0x230 [ 54.278222] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.282087] 2*64kB [ 54.310413] ? lock_sock_nested+0x91/0x110 [ 54.310422] ? trace_hardirqs_on+0xd/0x10 [ 54.310446] tcp_close+0xbe0/0xfc0 [ 54.314653] (U) [ 54.319721] ? ip_mc_drop_socket+0x1ce/0x230 [ 54.319740] inet_release+0xed/0x1c0 [ 54.323785] 1*128kB [ 54.326860] sock_release+0x8d/0x1e0 [ 54.326872] ? sock_alloc_file+0x560/0x560 [ 54.332734] (U) [ 54.334503] sock_close+0x16/0x20 [ 54.334514] __fput+0x327/0x7e0 [ 54.334534] ? fput+0x140/0x140 [ 54.338824] 1*256kB [ 54.342767] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 54.342776] ? _raw_spin_unlock_irq+0x27/0x70 [ 54.342795] ____fput+0x15/0x20 [ 54.344571] (U) [ 54.349203] task_work_run+0x199/0x270 [ 54.349219] ? task_work_cancel+0x210/0x210 [ 54.354215] 0*512kB [ 54.355984] ? _raw_spin_unlock+0x22/0x30 [ 54.355997] ? switch_task_namespaces+0x87/0xc0 [ 54.360821] 1*1024kB [ 54.367717] do_exit+0x9bb/0x1ad0 [ 54.367737] ? mm_update_next_owner+0x930/0x930 [ 54.372734] (U) [ 54.374505] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 54.374520] ? check_noncircular+0x20/0x20 [ 54.378557] 1*2048kB [ 54.382849] ? print_irqtrace_events+0x270/0x270 [ 54.382858] ? add_wait_queue+0x290/0x290 [ 54.382874] ? check_noncircular+0x20/0x20 [ 54.386909] (M) [ 54.390842] ? print_irqtrace_events+0x270/0x270 [ 54.390855] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 54.390864] ? free_obj_work+0x690/0x690 [ 54.393082] 3*4096kB [ 54.397545] ? cpumask_local_spread+0x260/0x260 [ 54.397564] ? lock_acquire+0x1d5/0x580 [ 54.402554] (M) [ 54.404585] ? find_held_lock+0x35/0x1d0 [ 54.404598] ? check_noncircular+0x20/0x20 [ 54.409506] = 15908kB [ 54.411630] ? lock_downgrade+0x980/0x980 [ 54.411648] ? __might_sleep+0x95/0x190 [ 54.416375] Node 0 [ 54.420053] ? memset+0x31/0x40 [ 54.420071] ? find_held_lock+0x35/0x1d0 [ 54.422022] DMA32: [ 54.426750] ? get_signal+0x7a9/0x16d0 [ 54.426761] ? lock_downgrade+0x980/0x980 [ 54.430799] 7*4kB [ 54.434835] do_group_exit+0x149/0x400 [ 54.434846] ? do_raw_spin_trylock+0x190/0x190 [ 54.436974] (UM) [ 54.441953] ? SyS_exit+0x30/0x30 [ 54.441962] ? _raw_spin_unlock_irq+0x27/0x70 [ 54.441975] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.444190] 5*8kB [ 54.447960] get_signal+0x73a/0x16d0 [ 54.447985] ? ptrace_notify+0x130/0x130 [ 54.452022] (UM) [ 54.454215] ? find_held_lock+0x35/0x1d0 [ 54.454239] ? handle_mm_fault+0x2a0/0x930 [ 54.459062] 6*16kB [ 54.463175] ? lock_downgrade+0x980/0x980 [ 54.463206] do_signal+0x90/0x1eb0 [ 54.465146] (UM) [ 54.469710] ? setup_sigcontext+0x7d0/0x7d0 [ 54.474359] 1*32kB [ 54.479339] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 54.479346] ? vmacache_find+0x5f/0x280 [ 54.479354] ? vmacache_update+0xfe/0x130 [ 54.481571] (M) [ 54.485782] ? find_vma+0x30/0x150 [ 54.485799] ? __do_page_fault+0x3d6/0xc90 [ 54.489927] 3*64kB [ 54.493459] ? exit_to_usermode_loop+0x8c/0x2f0 [ 54.495408] (UM) [ 54.499793] exit_to_usermode_loop+0x258/0x2f0 [ 54.499801] ? __do_page_fault+0xc90/0xc90 [ 54.503497] 5*128kB [ 54.505787] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 54.505804] ? syscall_return_slowpath+0x2ad/0x550 [ 54.509497] (UM) [ 54.513703] prepare_exit_to_usermode+0x2e1/0x340 [ 54.513713] ? perf_trace_sys_enter+0xcb0/0xcb0 [ 54.515668] 4*256kB [ 54.519089] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.519103] ? page_fault+0x36/0x60 [ 54.522359] (M) [ 54.525605] retint_user+0x8/0x18 [ 54.525612] RIP: 0033:0x5561223ee530 [ 54.525618] RSP: 002b:00007ffc4b1609b8 EFLAGS: 00010246 [ 54.527932] 3*512kB [ 54.533788] RAX: 0000000000000000 RBX: 00007ffc4b160fd0 RCX: 00007fbe91d8add3 [ 54.533793] RDX: 00007ffc4b1609c0 RSI: 00007ffc4b160af0 RDI: 0000000000000011 [ 54.533799] RBP: 00005561226558dc R08: 00007ffc4b160f70 R09: 0101010101010101 [ 54.533806] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc4b160fd8 [ 54.538282] (M) [ 54.541520] R13: 0000000000000000 R14: 00007ffc4b160fc8 R15: 00007ffc4b160fcc [ 54.541584] Mem-Info: [ 54.543500] 3*1024kB (UM) [ 54.547394] active_anon:1757 inactive_anon:63 isolated_anon:0 [ 54.547394] active_file:14 inactive_file:14 isolated_file:0 [ 54.547394] unevictable:0 dirty:0 writeback:0 unstable:0 [ 54.547394] slab_reclaimable:7298 slab_unreclaimable:82924 [ 54.547394] mapped:2 shmem:70 pagetables:244 bounce:0 [ 54.547394] free:16085 free_pcp:245 free_cma:0 [ 54.551685] 3*2048kB (UM) [ 54.554034] Node 0 active_anon:7028kB inactive_anon:252kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 54.558142] 4*4096kB (M) [ 54.562807] Node 0 [ 54.565201] = 29188kB [ 54.565204] Node 0 Normal: [ 54.568669] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 54.573312] 412*4kB (UME) [ 54.575284] lowmem_reserve[]: [ 54.580461] 285*8kB (UME) [ 54.584687] 0 [ 54.587082] 230*16kB (UME) [ 54.591827] 2870 [ 54.595957] 127*32kB (UME) [ 54.600202] 6381 [ 54.602162] 55*64kB (UM) [ 54.606916] 6381 [ 54.612092] 14*128kB (UM) [ 54.618538] 5*256kB (M) [ 54.623197] Node 0 [ 54.627153] 2*512kB (UM) [ 54.629138] DMA32 free:29188kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942288kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:204kB local_pcp:120kB free_cma:0kB [ 54.633172] 0*1024kB 0*2048kB [ 54.637407] lowmem_reserve[]: [ 54.639800] 0*4096kB = 19288kB [ 54.643938] 0 [ 54.647901] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 54.647904] 98 total pagecache pages [ 54.647913] 0 pages in swap cache [ 54.650132] 0 [ 54.653404] Swap cache stats: add 0, delete 0, find 0/0 [ 54.653408] Free swap = 0kB [ 54.657456] 3510 [ 54.659679] Total swap = 0kB [ 54.659686] 1965979 pages RAM [ 54.663560] 3510 [ 54.667695] 0 pages HighMem/MovableOnly [ 54.667699] 327775 pages reserved [ 55.083089] Node 0 Normal free:44028kB min:37088kB low:46360kB high:55632kB active_anon:7000kB inactive_anon:248kB active_file:60kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594620kB mlocked:0kB kernel_stack:2976kB pagetables:976kB bounce:0kB free_pcp:1540kB local_pcp:656kB free_cma:0kB [ 55.111885] lowmem_reserve[]: 0 0 0 0 [ 55.115741] 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 [ 55.129406] Node 0 DMA32: 97*4kB (UM) 96*8kB (UM) 53*16kB (UM) 35*32kB (UM) 26*64kB (UM) 19*128kB (UM) 17*256kB (UM) 12*512kB (UM) 11*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 51508kB [ 55.145934] Node 0 Normal: 560*4kB (UMEH) 386*8kB (UMEH) 285*16kB (UMH) 158*32kB (UMEH) 73*64kB (UMH) 25*128kB (UMH) 17*256kB (UM) 11*512kB (UM) 11*1024kB (U) 0*2048kB 0*4096kB = 44064kB [ 55.162831] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 55.171447] 98 total pagecache pages [ 55.175193] 0 pages in swap cache [ 55.178663] Swap cache stats: add 0, delete 0, find 0/0 [ 55.184036] Free swap = 0kB [ 55.187068] Total swap = 0kB [ 55.190108] 1965979 pages RAM [ 55.193231] 0 pages HighMem/MovableOnly [ 55.197219] 327775 pages reserved [ 55.200758] Unreclaimable slab info: [ 55.204717] Name Used Total [ 55.210314] hashtab_node 118KB 119KB [ 55.215697] ebitmap_node 382KB 389KB [ 55.221083] avtab_node 1012KB 1013KB [ 55.226469] TIPC 1KB 7KB [ 55.231851] SCTPv6 2KB 4KB [ 55.237238] DCCPv6 2KB 7KB [ 55.242630] DCCP 2KB 6KB [ 55.248047] fib6_nodes 0KB 4KB [ 55.253434] ip6_dst_cache 6KB 7KB [ 55.258831] RAWv6 9KB 13KB [ 55.264230] UDPv6 12KB 14KB [ 55.269616] TCPv6 2KB 5KB [ 55.275040] sd_ext_cdb 0KB 3KB [ 55.280426] scsi_sense_cache 74KB 140KB [ 55.285808] virtio_scsi_cmd 16KB 16KB [ 55.291281] sgpool-128 8KB 8KB [ 55.296662] sgpool-64 4KB 6KB [ 55.302040] sgpool-32 72KB 78KB [ 55.307421] sgpool-16 24KB 30KB [ 55.312809] sgpool-8 165KB 165KB [ 55.318199] cfq_io_cq 18KB 19KB [ 55.323580] cfq_queue 29KB 30KB [ 55.328971] mqueue_inode_cache 1KB 7KB [ 55.334444] nfs_commit_data 3KB 7KB [ 55.339830] nfs_write_data 34KB 37KB [ 55.345252] jbd2_inode 1KB 3KB [ 55.350638] ext4_system_zone 0KB 3KB [ 55.356047] bio-1 1KB 3KB [ 55.361449] rpc_buffers 17KB 19KB [ 55.366833] rpc_tasks 2KB 3KB [ 55.372225] UNIX 780KB 780KB [ 55.377615] tcp_bind_bucket 0KB 4KB [ 55.383007] ip_fib_trie 0KB 3KB [ 55.388407] ip_fib_alias 0KB 3KB [ 55.393794] ip_dst_cache 3KB 8KB [ 55.399184] RAW 5KB 7KB [ 55.404566] UDP 29KB 31KB [ 55.409955] TCP 7KB 7KB [ 55.415339] hugetlbfs_inode_cache 1KB 7KB [ 55.421826] eventpoll_pwq 9KB 11KB [ 55.427243] eventpoll_epi 18KB 23KB [ 55.432631] inotify_inode_mark 3KB 7KB [ 55.438106] request_queue 31KB 39KB [ 55.443497] blkdev_ioc 23KB 23KB [ 55.448892] bio-0 288KB 288KB [ 55.454288] biovec-(1<<(21-12)) 429KB 429KB [ 55.459858] biovec-64 100KB 102KB [ 55.465243] biovec-16 14KB 15KB [ 55.470625] bio_integrity_payload 0KB 4KB [ 55.476356] khugepaged_mm_slot 0KB 3KB [ 55.481836] uid_cache 0KB 3KB [ 55.487216] dmaengine-unmap-2 0KB 3KB [ 55.492688] audit_buffer 0KB 3KB [ 55.498072] skbuff_fclone_cache 142KB 142KB [ 55.503629] skbuff_head_cache 1743KB 1743KB [ 55.509034] configfs_dir_cache 0KB 4KB [ 55.514507] file_lock_cache 161KB 166KB [ 55.519889] file_lock_ctx 1KB 3KB [ 55.525221] syzkaller940240: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 55.525257] fsnotify_mark_connector 2KB 3KB [ 55.536257] syzkaller940240 cpuset= [ 55.542134] shmem_inode_cache 1054KB 1058KB [ 55.542135] / mems_allowed=0 [ 55.545759] task_delay_info 318KB 347KB [ 55.551117] CPU: 1 PID: 3668 Comm: syzkaller940240 Not tainted 4.15.0-rc8-mm1+ #58 [ 55.554120] sigqueue 369KB 370KB [ 55.559441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.559445] Call Trace: [ 55.559461] dump_stack+0x194/0x257 [ 55.559476] ? arch_local_irq_restore+0x53/0x53 [ 55.567169] kernfs_node_cache 2292KB 2295KB [ 55.572486] ? idr_get_free_cmn+0xfd0/0xfd0 [ 55.572499] ? debug_object_destroy+0x2b0/0x2b0 [ 55.572521] warn_alloc+0x19a/0x2b0 [ 55.581860] mnt_cache 15KB 20KB [ 55.584409] ? zone_watermark_ok_safe+0x400/0x400 [ 55.584427] ? __next_timer_interrupt+0x150/0x150 [ 55.588037] filp 8283KB 8748KB [ 55.592670] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 55.592678] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 55.592704] __alloc_pages_slowpath+0x2501/0x2cc0 [ 55.598040] names_cache 110988KB 111010KB [ 55.602367] ? warn_alloc+0x2b0/0x2b0 [ 55.607004] avc_node 37KB 43KB [ 55.610588] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 55.610605] ? print_irqtrace_events+0x270/0x270 [ 55.615954] selinux_file_security 416KB 488KB [ 55.620759] ? retint_kernel+0x10/0x10 [ 55.620785] ? lock_acquire+0x1d5/0x580 [ 55.625604] selinux_inode_security 1948KB 1952KB [ 55.630923] ? lock_acquire+0x1d5/0x580 [ 55.630941] ? __lock_acquire+0x664/0x3e00 [ 55.630956] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 55.636399] key_jar 3KB 7KB [ 55.642238] ? lock_release+0xa40/0xa40 [ 55.642305] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 55.647092] nsproxy 0KB 3KB [ 55.652413] ? find_held_lock+0x35/0x1d0 [ 55.652436] ? __might_sleep+0x95/0x190 [ 55.656219] vm_area_struct 18654KB 18663KB [ 55.661547] __alloc_pages_nodemask+0x9fb/0xd80 [ 55.661556] ? lock_release+0xa40/0xa40 [ 55.661573] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 55.666569] mm_struct 4520KB 4531KB [ 55.671293] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 55.671310] ? print_irqtrace_events+0x270/0x270 [ 55.677006] fs_cache 424KB 432KB [ 55.680860] ? __lock_is_held+0xb6/0x140 [ 55.680880] ? find_next_bit+0xcc/0x100 [ 55.684851] files_cache 1592KB 1593KB [ 55.690617] pcpu_populate_chunk+0x1b3/0x880 [ 55.690629] ? find_last_bit+0xc7/0xd0 [ 55.694588] signal_cache 2538KB 2544KB [ 55.698794] pcpu_alloc+0x978/0x10e0 [ 55.698822] ? pcpu_free_area+0xa00/0xa00 [ 55.704679] sighand_cache 217KB 319KB [ 55.709998] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 55.710014] ? vmap_page_range_noflush+0x523/0x720 [ 55.710049] ? retint_kernel+0x10/0x10 [ 55.713999] task_struct 10835KB 10835KB [ 55.719844] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 55.719856] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 55.719877] ? retint_kernel+0x10/0x10 [ 55.725227] cred_jar 2353KB 2356KB [ 55.729267] __alloc_percpu_gfp+0x27/0x30 [ 55.729282] array_map_alloc+0x794/0x990 [ 55.733234] anon_vma_chain 7819KB 7823KB [ 55.738651] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 55.738665] SyS_bpf+0x93c/0x4840 [ 55.743317] anon_vma 119KB 311KB [ 55.747259] ? perf_event_mmap+0x115/0x12a0 [ 55.747273] ? bpf_prog_get+0x20/0x20 [ 55.747288] ? perf_event_fork+0x30/0x30 [ 55.752288] pid 221KB 240KB [ 55.757620] ? __lock_is_held+0xb6/0x140 [ 55.757632] ? check_noncircular+0x20/0x20 [ 55.762549] Acpi-Operand 106KB 170KB [ 55.767268] ? vma_wants_writenotify+0x51/0x3b0 [ 55.767285] ? __handle_mm_fault+0x80e/0x3ce0 [ 55.767303] ? check_noncircular+0x20/0x20 [ 55.772652] Acpi-Namespace 19KB 23KB [ 55.776662] ? __pmd_alloc+0x4e0/0x4e0 [ 55.776669] ? vma_link+0xe9/0x170 [ 55.776690] ? find_held_lock+0x35/0x1d0 [ 55.780646] numa_policy 0KB 3KB [ 55.785977] ? handle_mm_fault+0x2a0/0x930 [ 55.785993] ? find_held_lock+0x35/0x1d0 [ 55.790391] debug_objects_cache 512KB 516KB [ 55.794246] ? __do_page_fault+0x5f7/0xc90 [ 55.794257] ? lock_downgrade+0x980/0x980 [ 55.799609] trace_event_file 145KB 147KB [ 55.803290] ? handle_mm_fault+0x476/0x930 [ 55.803299] ? down_read_trylock+0xdb/0x170 [ 55.807439] ftrace_event_field 257KB 259KB [ 55.812763] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 55.812770] ? vmacache_find+0x5f/0x280 [ 55.812780] ? vmacache_update+0xfe/0x130 [ 55.817263] pool_workqueue 24KB 28KB [ 55.822163] ? up_read+0x1a/0x40 [ 55.822175] ? __do_page_fault+0x3d6/0xc90 [ 55.826050] page->ptl 3103KB 3107KB [ 55.831396] ? mm_fault_error+0x2c0/0x2c0 [ 55.831424] ? do_page_fault+0xee/0x720 [ 55.836429] kmalloc-262144 1032KB 1032KB [ 55.841125] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 55.841135] ? __do_page_fault+0xc90/0xc90 [ 55.841159] ? SyS_mmap_pgoff+0x243/0x5f0 [ 55.845021] kmalloc-131072 650KB 650KB [ 55.850358] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 55.850382] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 55.854505] kmalloc-65536 264KB 264KB [ 55.858528] RIP: 0033:0x440179 [ 55.858533] RSP: 002b:00007ffc3762cae8 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 55.858543] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440179 [ 55.858549] RDX: 000000000000002c RSI: 00000000203dc000 RDI: 0000000000000000 [ 55.863911] kmalloc-32768 825KB 825KB [ 55.869136] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 55.869142] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 55.869146] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 55.869233] Mem-Info: [ 55.872609] kmalloc-16384 181KB 181KB [ 55.877976] active_anon:1757 inactive_anon:63 isolated_anon:0 [ 55.877976] active_file:14 inactive_file:14 isolated_file:0 [ 55.877976] unevictable:0 dirty:0 writeback:0 unstable:0 [ 55.877976] slab_reclaimable:7298 slab_unreclaimable:82924 [ 55.877976] mapped:2 shmem:70 pagetables:244 bounce:0 [ 55.877976] free:16068 free_pcp:390 free_cma:0 [ 55.882278] kmalloc-8192 519KB 519KB [ 55.886083] Node 0 active_anon:7028kB inactive_anon:252kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 55.886088] Node 0 [ 55.890144] kmalloc-4096 6676KB 6698KB [ 55.895510] 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 [ 55.899569] kmalloc-2048 3227KB 3232KB [ 55.903792] lowmem_reserve[]: [ 55.909153] kmalloc-1024 3583KB 3583KB [ 55.913809] 0 2870 6381 [ 55.918304] kmalloc-512 2767KB 2767KB [ 55.918311] kmalloc-256 1904KB 2493KB [ 55.922530] 6381 [ 55.927893] kmalloc-128 404KB 519KB Connection to 10.128.15.245 closed by remote host. [