[....] Starting enhanced syslogd: rsyslogd[ 12.944682] audit: type=1400 audit(1517139265.432:5): avc: denied { syslog } for pid=3532 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: [ 19.397579] audit: type=1400 audit(1517139271.885:6): avc: denied { map } for pid=3673 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 '10.128.15.229' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 25.693010] audit: type=1400 audit(1517139278.180:7): avc: denied { map } for pid=3687 comm="syzkaller025682" path="/root/syzkaller025682685" 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 [ 27.738855] syzkaller025682 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 27.754960] syzkaller025682 cpuset=/ mems_allowed=0 [ 27.760386] CPU: 0 PID: 3689 Comm: syzkaller025682 Not tainted 4.15.0-rc9+ #212 [ 27.767820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.777166] Call Trace: [ 27.779739] dump_stack+0x194/0x257 [ 27.783350] ? arch_local_irq_restore+0x53/0x53 [ 27.788000] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.793194] dump_header+0x28c/0xe1e [ 27.796898] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.802085] ? pagefault_out_of_memory+0x152/0x152 [ 27.806999] ? check_noncircular+0x20/0x20 [ 27.811212] ? print_irqtrace_events+0x270/0x270 [ 27.815967] ? __lock_acquire+0x664/0x3e00 [ 27.820196] ? check_noncircular+0x20/0x20 [ 27.824434] ? find_held_lock+0x35/0x1d0 [ 27.828516] ? check_noncircular+0x20/0x20 [ 27.832740] ? task_will_free_mem+0x252/0xaa0 [ 27.837223] ? print_irqtrace_events+0x270/0x270 [ 27.841964] ? ___ratelimit+0x30d/0x630 [ 27.845923] ? lock_downgrade+0x980/0x980 [ 27.850062] ? lock_release+0xa40/0xa40 [ 27.854037] ? mark_held_locks+0xaf/0x100 [ 27.858168] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 27.863262] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.868280] ? trace_hardirqs_on+0xd/0x10 [ 27.872428] ? ___ratelimit+0x95/0x630 [ 27.876315] ? idr_get_free_cmn+0xfd0/0xfd0 [ 27.880630] ? check_noncircular+0x20/0x20 [ 27.884859] ? find_held_lock+0x138/0x1d0 [ 27.888997] oom_kill_process+0x8b5/0x14a0 [ 27.893238] ? has_ns_capability_noaudit+0x163/0x2a0 [ 27.898340] ? lock_downgrade+0x980/0x980 [ 27.902490] ? oom_evaluate_task+0x480/0x480 [ 27.906894] ? security_capable_noaudit+0x8b/0xc0 [ 27.911737] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 27.916823] ? has_capability+0x30/0x30 [ 27.920774] ? do_raw_spin_trylock+0x190/0x190 [ 27.925430] ? check_noncircular+0x20/0x20 [ 27.929675] ? has_capability_noaudit+0x24/0x30 [ 27.934337] ? oom_badness+0xd1/0x980 [ 27.938128] ? lock_release+0xa40/0xa40 [ 27.942094] ? do_try_to_free_pages+0xc53/0x1020 [ 27.946847] ? find_lock_task_mm+0x460/0x460 [ 27.951253] ? find_held_lock+0x35/0x1d0 [ 27.955324] ? out_of_memory+0xb3a/0x1220 [ 27.959472] ? lock_downgrade+0x980/0x980 [ 27.963622] ? lock_release+0xa40/0xa40 [ 27.967587] ? lock_acquire+0x1d5/0x580 [ 27.972338] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 27.977259] ? oom_evaluate_task+0x284/0x480 [ 27.981648] out_of_memory+0x86d/0x1220 [ 27.985622] ? oom_killer_disable+0x310/0x310 [ 27.990107] ? mutex_trylock+0x23a/0x2d0 [ 27.994164] ? __lock_is_held+0xb6/0x140 [ 27.998218] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 28.003684] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 28.008570] ? warn_alloc+0x2b0/0x2b0 [ 28.012389] ? check_noncircular+0x20/0x20 [ 28.016623] ? switched_to_fair+0xb0/0xb0 [ 28.021861] ? __enqueue_entity+0x109/0x1e0 [ 28.026182] ? print_irqtrace_events+0x270/0x270 [ 28.030924] ? print_irqtrace_events+0x270/0x270 [ 28.035673] ? finish_task_switch+0x1d3/0x740 [ 28.040183] ? __lock_is_held+0xb6/0x140 [ 28.044263] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 28.050159] ? __might_sleep+0x95/0x190 [ 28.054140] __alloc_pages_nodemask+0x9fb/0xd80 [ 28.058810] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 28.063820] ? __sched_text_start+0x8/0x8 [ 28.067945] ? retint_kernel+0x10/0x10 [ 28.071823] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.076829] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.081582] ? __lock_is_held+0xb6/0x140 [ 28.085659] ? rcu_note_context_switch+0x710/0x710 [ 28.090590] alloc_pages_current+0xb6/0x1e0 [ 28.094927] __vmalloc_node_range+0x409/0x650 [ 28.099444] ? xt_alloc_table_info+0x64/0xe0 [ 28.103837] __vmalloc_node_flags_caller+0x50/0x60 [ 28.108754] ? xt_alloc_table_info+0x64/0xe0 [ 28.113166] kvmalloc_node+0x82/0xd0 [ 28.116869] xt_alloc_table_info+0x64/0xe0 [ 28.121097] do_ip6t_set_ctl+0x29b/0x5f0 [ 28.125156] ? translate_compat_table+0x1c50/0x1c50 [ 28.130184] ? mutex_unlock+0xd/0x10 [ 28.133883] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 28.139158] nf_setsockopt+0x67/0xc0 [ 28.142862] ipv6_setsockopt+0x115/0x150 [ 28.146912] udpv6_setsockopt+0x45/0x80 [ 28.150867] sock_common_setsockopt+0x95/0xd0 [ 28.155359] SyS_setsockopt+0x189/0x360 [ 28.159333] ? SyS_recv+0x40/0x40 [ 28.162769] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 28.167602] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.172615] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.177379] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 28.182123] RIP: 0033:0x441439 [ 28.185297] RSP: 002b:00007fff40e8e1f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 28.192987] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441439 [ 28.200242] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 28.207499] RBP: 31affa775212f497 R08: 00000000000003b8 R09: 0000000000000000 [ 28.214766] R10: 0000000020019c48 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 28.222019] R13: f604ce9cd855ec40 R14: ebfb5b6031634428 R15: 0000000000000000 [ 28.229345] Mem-Info: [ 28.231813] active_anon:11989 inactive_anon:63 isolated_anon:0 [ 28.231813] active_file:20 inactive_file:0 isolated_file:0 [ 28.231813] unevictable:0 dirty:0 writeback:16 unstable:0 [ 28.231813] slab_reclaimable:7403 slab_unreclaimable:82282 [ 28.231813] mapped:2 shmem:70 pagetables:350 bounce:0 [ 28.231813] free:24204 free_pcp:0 free_cma:0 [ 28.264699] Node 0 active_anon:47956kB inactive_anon:252kB active_file:80kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:64kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 32768kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 28.292484] 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 [ 28.318935] lowmem_reserve[]: 0 2868 6378 6378 [ 28.324312] Node 0 DMA32 free:44224kB min:30320kB low:37900kB high:45480kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 28.351616] lowmem_reserve[]: 0 0 3510 3510 [ 28.355980] Node 0 Normal free:36868kB min:37096kB low:46368kB high:55640kB active_anon:47928kB inactive_anon:248kB active_file:12kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3104kB pagetables:1400kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 28.384585] lowmem_reserve[]: 0 0 0 0 [ 28.388416] 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 [ 28.402038] Node 0 DMA32: 8*4kB (UME) 6*8kB (ME) 5*16kB (UME) 3*32kB (UME) 3*64kB (UME) 4*128kB (ME) 3*256kB (ME) 3*512kB (ME) 4*1024kB (ME) 2*2048kB (ME) 8*4096kB (UM) = 44224kB [ 28.418240] Node 0 Normal: 637*4kB (UM) 508*8kB (UM) 331*16kB (UM) 144*32kB (UM) 70*64kB (UM) 32*128kB (M) 28*256kB (UM) 9*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36868kB [ 28.433731] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 28.442326] 99 total pagecache pages [ 28.446076] 0 pages in swap cache [ 28.449545] Swap cache stats: add 0, delete 0, find 0/0 [ 28.455103] Free swap = 0kB [ 28.458132] Total swap = 0kB [ 28.461150] 1965979 pages RAM [ 28.464262] 0 pages HighMem/MovableOnly [ 28.468259] 328415 pages reserved [ 28.471771] Unreclaimable slab info: [ 28.475546] Name Used Total [ 28.481147] hashtab_node 118KB 119KB [ 28.486531] ebitmap_node 401KB 401KB [ 28.491913] avtab_node 1012KB 1013KB [ 28.497300] TIPC 1KB 7KB [ 28.502690] SCTPv6 2KB 4KB [ 28.508078] DCCPv6 2KB 7KB [ 28.513458] DCCP 13KB 13KB [ 28.518861] fib6_nodes 0KB 4KB [ 28.524248] ip6_dst_cache 5KB 7KB [ 28.529638] RAWv6 9KB 13KB [ 28.535039] UDPv6 28KB 28KB [ 28.540424] TCPv6 2KB 5KB [ 28.545803] sd_ext_cdb 0KB 3KB [ 28.551176] scsi_sense_cache 79KB 152KB [ 28.556560] virtio_scsi_cmd 16KB 16KB [ 28.561931] sgpool-128 8KB 8KB [ 28.567309] sgpool-64 4KB 6KB [ 28.572685] sgpool-32 68KB 70KB [ 28.578094] sgpool-16 22KB 26KB [ 28.583481] sgpool-8 176KB 176KB [ 28.588857] cfq_io_cq 15KB 15KB [ 28.594235] cfq_queue 24KB 27KB [ 28.599621] mqueue_inode_cache 1KB 7KB [ 28.605090] nfs_commit_data 3KB 7KB [ 28.610474] nfs_write_data 34KB 37KB [ 28.615857] jbd2_inode 1KB 3KB [ 28.621236] ext4_system_zone 0KB 3KB [ 28.626630] bio-1 1KB 3KB [ 28.632050] rpc_buffers 17KB 19KB [ 28.637434] rpc_tasks 2KB 3KB [ 28.644078] UNIX 784KB 784KB [ 28.649489] tcp_bind_bucket 0KB 4KB [ 28.654875] ip_fib_trie 0KB 3KB [ 28.660263] ip_fib_alias 0KB 3KB [ 28.665642] ip_dst_cache 3KB 4KB [ 28.671038] RAW 5KB 7KB [ 28.676422] UDP 39KB 39KB [ 28.681804] request_sock_TCP 1KB 3KB [ 28.687170] TCP 7KB 15KB [ 28.692548] hugetlbfs_inode_cache 1KB 7KB [ 28.698278] eventpoll_pwq 10KB 15KB [ 28.703704] eventpoll_epi 19KB 27KB [ 28.709092] inotify_inode_mark 3KB 11KB [ 28.714564] request_queue 53KB 135KB [ 28.719943] blkdev_ioc 23KB 23KB [ 28.725333] bio-0 273KB 273KB [ 28.730715] biovec-(1<<(21-12)) 478KB 478KB [ 28.736265] biovec-64 94KB 102KB [ 28.741650] biovec-16 10KB 18KB [ 28.747038] bio_integrity_payload 0KB 4KB [ 28.752768] khugepaged_mm_slot 2KB 3KB [ 28.758504] uid_cache 1KB 3KB [ 28.763892] dmaengine-unmap-2 0KB 3KB [ 28.769261] audit_buffer 2KB 3KB [ 28.774641] skbuff_fclone_cache 150KB 150KB [ 28.780199] skbuff_head_cache 1796KB 1796KB [ 28.785566] configfs_dir_cache 0KB 4KB [ 28.791044] file_lock_cache 166KB 166KB [ 28.796425] file_lock_ctx 1KB 3KB [ 28.801791] fsnotify_mark_connector 2KB 7KB [ 28.807690] shmem_inode_cache 1054KB 1054KB [ 28.813056] task_delay_info 319KB 324KB [ 28.818431] sigqueue 369KB 374KB [ 28.823815] kernfs_node_cache 2308KB 2311KB [ 28.829181] mnt_cache 15KB 20KB [ 28.834567] filp 8456KB 8861KB [ 28.839979] names_cache 111069KB 111107KB [ 28.845370] avc_node 37KB 43KB [ 28.850750] selinux_file_security 432KB 492KB [ 28.856466] selinux_inode_security 1976KB 1976KB [ 28.862275] key_jar 3KB 7KB [ 28.867655] nsproxy 0KB 3KB [ 28.873045] vm_area_struct 18744KB 18744KB [ 28.878429] mm_struct 4554KB 4554KB [ 28.883792] fs_cache 432KB 432KB [ 28.889167] files_cache 1605KB 1605KB [ 28.894548] signal_cache 2558KB 2558KB [ 28.899927] sighand_cache 245KB 346KB [ 28.905302] task_struct 10896KB 10896KB [ 28.910678] cred_jar 2368KB 2368KB [ 28.916052] anon_vma_chain 7863KB 7863KB [ 28.921418] anon_vma 177KB 335KB [ 28.926789] pid 236KB 244KB [ 28.932169] Acpi-Operand 116KB 182KB [ 28.937543] Acpi-ParseExt 0KB 3KB [ 28.942922] Acpi-Parse 8KB 15KB [ 28.948298] Acpi-State 10KB 23KB [ 28.953664] Acpi-Namespace 19KB 23KB [ 28.959035] numa_policy 0KB 3KB [ 28.964416] debug_objects_cache 523KB 524KB [ 28.969969] trace_event_file 149KB 151KB [ 28.975336] ftrace_event_field 261KB 263KB [ 28.980793] pool_workqueue 24KB 28KB [ 28.986157] page->ptl 3130KB 3130KB [ 28.991550] kmalloc-262144 1032KB 1032KB [ 28.996915] kmalloc-131072 650KB 650KB [ 29.002286] kmalloc-65536 264KB 264KB [ 29.007670] kmalloc-32768 825KB 825KB [ 29.013052] kmalloc-16384 181KB 181KB [ 29.018432] kmalloc-8192 519KB 519KB [ 29.025051] kmalloc-4096 6838KB 6876KB [ 29.031246] kmalloc-2048 3251KB 3251KB [ 29.037389] kmalloc-1024 3646KB 3646KB [ 29.043553] kmalloc-512 2782KB 2782KB [ 29.048945] kmalloc-256 1996KB 2505KB [ 29.054330] kmalloc-128 435KB 531KB [ 29.059707] kmalloc-96 292KB 412KB [ 29.065082] kmalloc-64 722KB 828KB [ 29.070458] kmalloc-32 1893KB 2197KB [ 29.075878] kmalloc-192 229KB 312KB [ 29.081253] kmem_cache 102KB 105KB [ 29.086631] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 29.095268] [ 1842] 0 1842 5385 174 86016 0 -1000 udevd [ 29.103496] [ 3379] 0 3379 2493 574 57344 0 0 dhclient [ 29.111932] [ 3532] 0 3532 14265 174 122880 0 0 rsyslogd [ 29.120384] [ 3587] 0 3587 4725 50 86016 0 0 cron [ 29.128468] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 29.136985] [ 3607] 0 3607 12927 1228 126976 0 0 restorecond [ 29.145681] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 29.153765] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 29.161938] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 29.170137] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 29.178313] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 29.186487] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 29.194633] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 29.202798] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 29.210966] [ 3667] 0 3667 5681 455 86016 0 -1000 udevd [ 29.219138] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 29.227310] [ 3685] 0 3685 17821 196 184320 0 0 sshd [ 29.235404] [ 3687] 0 3687 281 1 32768 0 0 syzkaller025682 [ 29.244445] [ 3688] 0 3688 4376 1034 40960 0 0 syzkaller025682 [ 29.253464] [ 3689] 0 3689 4376 1034 40960 0 0 syzkaller025682 [ 29.262499] [ 3690] 0 3690 4376 1034 40960 0 0 syzkaller025682 [ 29.271524] [ 3691] 0 3691 4376 1034 40960 0 0 syzkaller025682 [ 29.280558] [ 3692] 0 3692 4376 1034 40960 0 0 syzkaller025682 [ 29.289604] [ 3693] 0 3693 4376 1034 40960 0 0 syzkaller025682 [ 29.298624] [ 3694] 0 3694 4376 1034 40960 0 0 syzkaller025682 [ 29.307665] [ 3695] 0 3695 4376 1034 40960 0 0 syzkaller025682 [ 29.316700] Out of memory: Kill process 3607 (restorecond) score 0 or sacrifice child [ 29.325116] Killed process 3607 (restorecond) total-vm:51708kB, anon-rss:4912kB, file-rss:0kB, shmem-rss:0kB [ 29.339072] oom_reaper: reaped process 3607 (restorecond), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 29.753681] syzkaller025682 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 29.768984] syzkaller025682 cpuset=/ mems_allowed=0 [ 29.774069] CPU: 0 PID: 3691 Comm: syzkaller025682 Not tainted 4.15.0-rc9+ #212 [ 29.781486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.790809] Call Trace: [ 29.793369] dump_stack+0x194/0x257 [ 29.796968] ? arch_local_irq_restore+0x53/0x53 [ 29.801609] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.806774] dump_header+0x28c/0xe1e [ 29.810464] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.815625] ? pagefault_out_of_memory+0x152/0x152 [ 29.820522] ? check_noncircular+0x20/0x20 [ 29.824731] ? print_irqtrace_events+0x270/0x270 [ 29.829462] ? __lock_acquire+0x664/0x3e00 [ 29.833673] ? check_noncircular+0x20/0x20 [ 29.837883] ? find_held_lock+0x35/0x1d0 [ 29.841919] ? check_noncircular+0x20/0x20 [ 29.846125] ? task_will_free_mem+0x252/0xaa0 [ 29.850593] ? print_irqtrace_events+0x270/0x270 [ 29.855338] ? ___ratelimit+0x30d/0x630 [ 29.859289] ? lock_downgrade+0x980/0x980 [ 29.863427] ? lock_release+0xa40/0xa40 [ 29.867387] ? mark_held_locks+0xaf/0x100 [ 29.871518] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 29.876613] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.881625] ? trace_hardirqs_on+0xd/0x10 [ 29.885772] ? ___ratelimit+0x95/0x630 [ 29.889653] ? idr_get_free_cmn+0xfd0/0xfd0 [ 29.893966] ? check_noncircular+0x20/0x20 [ 29.898191] ? find_held_lock+0x138/0x1d0 [ 29.902344] oom_kill_process+0x8b5/0x14a0 [ 29.906581] ? has_ns_capability_noaudit+0x163/0x2a0 [ 29.911679] ? lock_downgrade+0x980/0x980 [ 29.915827] ? oom_evaluate_task+0x480/0x480 [ 29.920246] ? security_capable_noaudit+0x8b/0xc0 [ 29.925086] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 29.930181] ? has_capability+0x30/0x30 [ 29.934145] ? do_raw_spin_trylock+0x190/0x190 [ 29.938718] ? check_noncircular+0x20/0x20 [ 29.942962] ? has_capability_noaudit+0x24/0x30 [ 29.947625] ? oom_badness+0xd1/0x980 [ 29.951411] ? lock_release+0xa40/0xa40 [ 29.955383] ? find_lock_task_mm+0x460/0x460 [ 29.959790] ? find_held_lock+0x35/0x1d0 [ 29.963861] ? out_of_memory+0xb3a/0x1220 [ 29.968013] ? lock_downgrade+0x980/0x980 [ 29.972159] ? lock_release+0xa40/0xa40 [ 29.976122] ? lock_acquire+0x1d5/0x580 [ 29.980088] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 29.985018] ? oom_evaluate_task+0x284/0x480 [ 29.989423] out_of_memory+0x86d/0x1220 [ 29.993404] ? oom_killer_disable+0x310/0x310 [ 29.997885] ? mutex_trylock+0x23a/0x2d0 [ 30.001937] ? __lock_is_held+0xb6/0x140 [ 30.005987] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 30.011450] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 30.016331] ? warn_alloc+0x2b0/0x2b0 [ 30.021035] ? check_noncircular+0x20/0x20 [ 30.025269] ? switched_to_fair+0xb0/0xb0 [ 30.029393] ? __enqueue_entity+0x109/0x1e0 [ 30.033704] ? print_irqtrace_events+0x270/0x270 [ 30.038441] ? finish_task_switch+0x1d3/0x740 [ 30.042928] ? __lock_is_held+0xb6/0x140 [ 30.046972] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 30.052838] ? __might_sleep+0x95/0x190 [ 30.056788] __alloc_pages_nodemask+0x9fb/0xd80 [ 30.061433] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 30.066424] ? __sched_text_start+0x8/0x8 [ 30.070551] ? mark_held_locks+0xaf/0x100 [ 30.074671] ? retint_kernel+0x10/0x10 [ 30.078534] ? __lock_is_held+0xb6/0x140 [ 30.082580] ? rcu_note_context_switch+0x710/0x710 [ 30.087494] alloc_pages_current+0xb6/0x1e0 [ 30.091796] __vmalloc_node_range+0x409/0x650 [ 30.096274] ? xt_alloc_table_info+0x64/0xe0 [ 30.100653] __vmalloc_node_flags_caller+0x50/0x60 [ 30.105553] ? xt_alloc_table_info+0x64/0xe0 [ 30.109936] kvmalloc_node+0x82/0xd0 [ 30.113621] xt_alloc_table_info+0x64/0xe0 [ 30.117830] do_ip6t_set_ctl+0x29b/0x5f0 [ 30.121867] ? translate_compat_table+0x1c50/0x1c50 [ 30.126864] ? mutex_unlock+0xd/0x10 [ 30.130548] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 30.135799] nf_setsockopt+0x67/0xc0 [ 30.139487] ipv6_setsockopt+0x115/0x150 [ 30.143524] udpv6_setsockopt+0x45/0x80 [ 30.147473] sock_common_setsockopt+0x95/0xd0 [ 30.151941] SyS_setsockopt+0x189/0x360 [ 30.155888] ? SyS_recv+0x40/0x40 [ 30.159312] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 30.164135] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.169124] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.173859] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 30.178591] RIP: 0033:0x441439 [ 30.181751] RSP: 002b:00007fff40e8e1f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 30.189428] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441439 [ 30.196680] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 30.203927] RBP: 31affa775212f497 R08: 00000000000003b8 R09: 0000000000000000 [ 30.211170] R10: 0000000020019c48 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 30.218412] R13: f604ce9cd855ec40 R14: ebfb5b6031634428 R15: 0000000000000000 [ 30.225800] Mem-Info: [ 30.229182] active_anon:10758 inactive_anon:63 isolated_anon:0 [ 30.229182] active_file:32 inactive_file:11 isolated_file:0 [ 30.229182] unevictable:0 dirty:0 writeback:0 unstable:0 [ 30.229182] slab_reclaimable:7404 slab_unreclaimable:82282 [ 30.229182] mapped:0 shmem:70 pagetables:324 bounce:0 [ 30.229182] free:24300 free_pcp:30 free_cma:0 [ 30.261349] Node 0 active_anon:43032kB inactive_anon:252kB active_file:128kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 32768kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 30.288352] 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 [ 30.314561] lowmem_reserve[]: 0 2868 6378 6378 [ 30.319186] Node 0 DMA32 free:44224kB min:30320kB low:37900kB high:45480kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 30.346461] lowmem_reserve[]: 0 0 3510 3510 [ 30.350821] Node 0 Normal free:37068kB min:37096kB low:46368kB high:55640kB active_anon:43004kB inactive_anon:248kB active_file:128kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3072kB pagetables:1296kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 30.383658] lowmem_reserve[]: 0 0 0 0 [ 30.397890] 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 [ 30.418300] Node 0 DMA32: 8*4kB (UME) 6*8kB (ME) 5*16kB (UME) 3*32kB (UME) 3*64kB (UME) 4*128kB (ME) 3*256kB (ME) 3*512kB (ME) 4*1024kB (ME) 2*2048kB (ME) 8*4096kB (UM) = 44224kB [ 30.434489] Node 0 Normal: 577*4kB (UME) 486*8kB (UME) 313*16kB (ME) 191*32kB (UM) 99*64kB (M) 35*128kB (UM) 25*256kB (UM) 5*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 37092kB [ 30.450076] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 30.466661] 89 total pagecache pages [ 30.470423] 0 pages in swap cache [ 30.473885] Swap cache stats: add 0, delete 0, find 0/0 [ 30.479261] Free swap = 0kB [ 30.482274] Total swap = 0kB [ 30.485279] 1965979 pages RAM [ 30.488369] 0 pages HighMem/MovableOnly [ 30.492324] 328415 pages reserved [ 30.495763] Unreclaimable slab info: [ 30.499461] Name Used Total [ 30.505417] hashtab_node 118KB 119KB [ 30.510781] ebitmap_node 401KB 401KB [ 30.516138] avtab_node 1012KB 1013KB [ 30.521492] TIPC 1KB 7KB [ 30.526848] SCTPv6 2KB 4KB [ 30.532205] DCCPv6 2KB 7KB [ 30.537555] DCCP 13KB 13KB [ 30.542927] fib6_nodes 0KB 4KB [ 30.548277] ip6_dst_cache 5KB 7KB [ 30.553626] RAWv6 9KB 13KB [ 30.558980] UDPv6 28KB 28KB [ 30.564462] TCPv6 2KB 5KB [ 30.569836] sd_ext_cdb 0KB 3KB [ 30.575407] scsi_sense_cache 79KB 152KB [ 30.580797] virtio_scsi_cmd 16KB 16KB [ 30.586163] sgpool-128 8KB 8KB [ 30.591519] sgpool-64 4KB 6KB [ 30.596867] sgpool-32 68KB 70KB [ 30.602215] sgpool-16 22KB 26KB [ 30.607673] sgpool-8 176KB 176KB [ 30.613042] cfq_io_cq 15KB 15KB [ 30.618393] cfq_queue 24KB 27KB [ 30.623750] mqueue_inode_cache 1KB 7KB [ 30.629191] nfs_commit_data 3KB 7KB [ 30.634541] nfs_write_data 34KB 37KB [ 30.639899] jbd2_inode 1KB 3KB [ 30.645255] ext4_system_zone 0KB 3KB [ 30.650609] bio-1 1KB 3KB [ 30.655972] rpc_buffers 17KB 19KB [ 30.661321] rpc_tasks 2KB 3KB [ 30.666687] UNIX 784KB 784KB [ 30.672063] tcp_bind_bucket 0KB 4KB [ 30.677430] ip_fib_trie 0KB 3KB [ 30.682886] ip_fib_alias 0KB 3KB [ 30.688253] ip_dst_cache 3KB 4KB [ 30.693604] RAW 5KB 7KB [ 30.698953] UDP 39KB 39KB [ 30.704305] request_sock_TCP 1KB 3KB [ 30.709654] TCP 7KB 15KB [ 30.715045] hugetlbfs_inode_cache 1KB 7KB [ 30.720763] eventpoll_pwq 10KB 15KB [ 30.726114] eventpoll_epi 19KB 27KB [ 30.731469] inotify_inode_mark 3KB 11KB [ 30.736909] request_queue 53KB 135KB [ 30.742268] blkdev_ioc 23KB 23KB [ 30.747621] bio-0 273KB 273KB [ 30.753080] biovec-(1<<(21-12)) 478KB 478KB [ 30.758611] biovec-64 94KB 102KB [ 30.763959] biovec-16 15KB 18KB [ 30.769309] bio_integrity_payload 0KB 4KB [ 30.775035] khugepaged_mm_slot 2KB 3KB [ 30.780503] uid_cache 1KB 3KB [ 30.785881] dmaengine-unmap-2 0KB 3KB [ 30.797236] audit_buffer 2KB 3KB [ 30.805525] skbuff_fclone_cache 150KB 150KB [ 30.811087] skbuff_head_cache 1796KB 1796KB [ 30.816465] configfs_dir_cache 0KB 4KB [ 30.821935] file_lock_cache 166KB 166KB [ 30.827313] file_lock_ctx 1KB 3KB [ 30.832709] fsnotify_mark_connector 2KB 7KB [ 30.838614] shmem_inode_cache 1054KB 1054KB [ 30.843996] task_delay_info 319KB 324KB [ 30.849378] sigqueue 369KB 374KB [ 30.854757] kernfs_node_cache 2308KB 2311KB [ 30.860134] mnt_cache 15KB 20KB [ 30.865512] filp 8456KB 8861KB [ 30.870889] names_cache 111069KB 111107KB [ 30.876529] avc_node 37KB 43KB [ 30.881910] selinux_file_security 432KB 492KB [ 30.887638] selinux_inode_security 1976KB 1976KB [ 30.893450] key_jar 3KB 7KB [ 30.898828] nsproxy 0KB 3KB [ 30.904215] vm_area_struct 18744KB 18744KB [ 30.909590] mm_struct 4554KB 4554KB [ 30.921063] fs_cache 432KB 432KB [ 30.926451] files_cache 1605KB 1605KB [ 30.934355] signal_cache 2558KB 2558KB [ 30.949093] sighand_cache 245KB 346KB [ 30.954490] task_struct 10896KB 10896KB [ 30.961591] cred_jar 2368KB 2368KB [ 30.973410] anon_vma_chain 7863KB 7863KB [ 30.978804] anon_vma 177KB 335KB [ 30.987092] pid 236KB 244KB [ 30.992480] Acpi-Operand 116KB 182KB [ 30.997858] Acpi-ParseExt 0KB 3KB [ 31.003235] Acpi-Parse 8KB 15KB [ 31.008617] Acpi-State 10KB 23KB [ 31.013994] Acpi-Namespace 19KB 23KB [ 31.019377] numa_policy 0KB 3KB [ 31.024755] debug_objects_cache 523KB 524KB [ 31.030304] trace_event_file 149KB 151KB [ 31.035690] ftrace_event_field 261KB 263KB [ 31.041158] pool_workqueue 24KB 28KB [ 31.046541] page->ptl 3130KB 3130KB [ 31.051942] kmalloc-262144 1032KB 1032KB [ 31.057319] kmalloc-131072 650KB 650KB [ 31.062697] kmalloc-65536 264KB 264KB [ 31.068072] kmalloc-32768 825KB 825KB [ 31.073451] kmalloc-16384 181KB 181KB [ 31.078825] kmalloc-8192 519KB 519KB [ 31.084227] kmalloc-4096 6855KB 6876KB [ 31.089612] kmalloc-2048 3251KB 3251KB [ 31.094990] kmalloc-1024 3654KB 3654KB [ 31.102653] kmalloc-512 2782KB 2782KB [ 31.116314] kmalloc-256 1996KB 2505KB [ 31.121699] kmalloc-128 435KB 531KB [ 31.130288] kmalloc-96 292KB 412KB [ 31.142104] kmalloc-64 722KB 828KB [ 31.147495] kmalloc-32 1893KB 2197KB [ 31.158518] kmalloc-192 229KB 312KB [ 31.170076] kmem_cache 102KB 105KB [ 31.175460] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 31.184082] [ 1842] 0 1842 5385 174 86016 0 -1000 udevd [ 31.192248] [ 3379] 0 3379 2493 574 57344 0 0 dhclient [ 31.200677] [ 3532] 0 3532 14265 174 122880 0 0 rsyslogd [ 31.209107] [ 3587] 0 3587 4725 50 86016 0 0 cron [ 31.217189] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 31.225700] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 31.233778] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 31.241947] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 31.250128] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 31.258296] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 31.266461] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 31.274616] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 31.282769] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 31.290904] [ 3667] 0 3667 5681 455 86016 0 -1000 udevd [ 31.299043] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 31.307175] [ 3685] 0 3685 17821 196 184320 0 0 sshd [ 31.315221] [ 3687] 0 3687 281 1 32768 0 0 syzkaller025682 [ 31.324226] [ 3688] 0 3688 4376 1034 40960 0 0 syzkaller025682 [ 31.333231] [ 3689] 0 3689 4376 1034 40960 0 0 syzkaller025682 [ 31.342236] [ 3690] 0 3690 4376 1034 40960 0 0 syzkaller025682 [ 31.351236] [ 3691] 0 3691 4376 1034 40960 0 0 syzkaller025682 [ 31.360236] [ 3692] 0 3692 4376 1034 40960 0 0 syzkaller025682 [ 31.369239] [ 3693] 0 3693 4376 1034 40960 0 0 syzkaller025682 [ 31.378260] [ 3694] 0 3694 4376 1034 40960 0 0 syzkaller025682 [ 31.387271] [ 3695] 0 3695 4376 1034 40960 0 0 syzkaller025682 [ 31.396271] Out of memory: Kill process 3688 (syzkaller025682) score 0 or sacrifice child [ 31.404597] Killed process 3688 (syzkaller025682) total-vm:17504kB, anon-rss:4136kB, file-rss:0kB, shmem-rss:0kB [ 31.418085] oom_reaper: reaped process 3688 (syzkaller025682), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 31.583346] syzkaller025682 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 31.596868] syzkaller025682 cpuset=/ mems_allowed=0 [ 31.601920] CPU: 1 PID: 3695 Comm: syzkaller025682 Not tainted 4.15.0-rc9+ #212 [ 31.609343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.618666] Call Trace: [ 31.621227] dump_stack+0x194/0x257 [ 31.624825] ? arch_local_irq_restore+0x53/0x53 [ 31.629464] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.634631] dump_header+0x28c/0xe1e [ 31.638319] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.643492] ? pagefault_out_of_memory+0x152/0x152 [ 31.648394] ? check_noncircular+0x20/0x20 [ 31.652604] ? print_irqtrace_events+0x270/0x270 [ 31.657334] ? __lock_acquire+0x664/0x3e00 [ 31.661542] ? check_noncircular+0x20/0x20 [ 31.665751] ? find_held_lock+0x35/0x1d0 [ 31.669790] ? check_noncircular+0x20/0x20 [ 31.673992] ? task_will_free_mem+0x252/0xaa0 [ 31.678463] ? print_irqtrace_events+0x270/0x270 [ 31.683202] ? ___ratelimit+0x30d/0x630 [ 31.687154] ? lock_downgrade+0x980/0x980 [ 31.691299] ? lock_release+0xa40/0xa40 [ 31.695273] ? mark_held_locks+0xaf/0x100 [ 31.699410] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 31.704496] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.709484] ? trace_hardirqs_on+0xd/0x10 [ 31.713604] ? ___ratelimit+0x95/0x630 [ 31.717460] ? idr_get_free_cmn+0xfd0/0xfd0 [ 31.721751] ? check_noncircular+0x20/0x20 [ 31.725952] ? find_held_lock+0x138/0x1d0 [ 31.730078] oom_kill_process+0x8b5/0x14a0 [ 31.734287] ? has_ns_capability_noaudit+0x163/0x2a0 [ 31.739360] ? lock_downgrade+0x980/0x980 [ 31.743480] ? oom_evaluate_task+0x480/0x480 [ 31.747875] ? security_capable_noaudit+0x8b/0xc0 [ 31.752693] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 31.757770] ? has_capability+0x30/0x30 [ 31.761725] ? do_raw_spin_trylock+0x190/0x190 [ 31.766286] ? check_noncircular+0x20/0x20 [ 31.770501] ? has_capability_noaudit+0x24/0x30 [ 31.775150] ? oom_badness+0xd1/0x980 [ 31.778935] ? lock_release+0xa40/0xa40 [ 31.782885] ? do_try_to_free_pages+0xc53/0x1020 [ 31.787626] ? find_lock_task_mm+0x460/0x460 [ 31.792032] ? find_held_lock+0x35/0x1d0 [ 31.796099] ? out_of_memory+0xb3a/0x1220 [ 31.800241] ? lock_downgrade+0x980/0x980 [ 31.804390] ? lock_release+0xa40/0xa40 [ 31.808351] ? lock_acquire+0x1d5/0x580 [ 31.812316] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 31.817246] ? oom_evaluate_task+0x284/0x480 [ 31.821653] out_of_memory+0x86d/0x1220 [ 31.825630] ? oom_killer_disable+0x310/0x310 [ 31.830114] ? mutex_trylock+0x23a/0x2d0 [ 31.834171] ? __lock_is_held+0xb6/0x140 [ 31.838218] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 31.843677] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 31.848557] ? warn_alloc+0x2b0/0x2b0 [ 31.853341] ? trace_hardirqs_off+0xd/0x10 [ 31.857581] ? print_irqtrace_events+0x270/0x270 [ 31.862328] ? mark_held_locks+0xaf/0x100 [ 31.866470] ? _raw_spin_unlock_irq+0x27/0x70 [ 31.870962] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.875968] ? trace_hardirqs_on+0xd/0x10 [ 31.880106] ? _raw_spin_unlock_irq+0x27/0x70 [ 31.884593] ? finish_task_switch+0x1d3/0x740 [ 31.889077] ? finish_task_switch+0x1aa/0x740 [ 31.893573] ? mark_held_locks+0xaf/0x100 [ 31.897717] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.902729] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.907531] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 31.913421] ? __might_sleep+0x95/0x190 [ 31.917396] __alloc_pages_nodemask+0x9fb/0xd80 [ 31.922066] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 31.927075] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.931835] ? retint_kernel+0x10/0x10 [ 31.935732] ? __lock_is_held+0xb6/0x140 [ 31.939803] ? rcu_note_context_switch+0x710/0x710 [ 31.944731] alloc_pages_current+0xb6/0x1e0 [ 31.949049] __vmalloc_node_range+0x409/0x650 [ 31.953558] ? xt_alloc_table_info+0x64/0xe0 [ 31.957953] __vmalloc_node_flags_caller+0x50/0x60 [ 31.962875] ? xt_alloc_table_info+0x64/0xe0 [ 31.967283] kvmalloc_node+0x82/0xd0 [ 31.970987] xt_alloc_table_info+0x64/0xe0 [ 31.975212] do_ip6t_set_ctl+0x29b/0x5f0 [ 31.979296] ? translate_compat_table+0x1c50/0x1c50 [ 31.984325] ? mutex_unlock+0xd/0x10 [ 31.988030] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 31.993306] nf_setsockopt+0x67/0xc0 [ 31.997015] ipv6_setsockopt+0x115/0x150 [ 32.001075] udpv6_setsockopt+0x45/0x80 [ 32.005054] sock_common_setsockopt+0x95/0xd0 [ 32.009557] SyS_setsockopt+0x189/0x360 [ 32.013526] ? SyS_recv+0x40/0x40 [ 32.016972] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 32.021813] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.026820] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.031579] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 32.036319] RIP: 0033:0x441439 [ 32.039493] RSP: 002b:00007fff40e8e1f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 32.047276] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441439 [ 32.054535] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 32.061796] RBP: 31affa775212f497 R08: 00000000000003b8 R09: 0000000000000000 [ 32.069055] R10: 0000000020019c48 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 32.076311] R13: f604ce9cd855ec40 R14: ebfb5b6031634428 R15: 0000000000000000 [ 32.083711] Mem-Info: [ 32.087947] active_anon:9729 inactive_anon:63 isolated_anon:0 [ 32.087947] active_file:40 inactive_file:0 isolated_file:0 [ 32.087947] unevictable:0 dirty:0 writeback:0 unstable:0 [ 32.087947] slab_reclaimable:7404 slab_unreclaimable:82284 [ 32.087947] mapped:2 shmem:70 pagetables:322 bounce:0 [ 32.087947] free:15784 free_pcp:0 free_cma:0 [ 32.120839] syzkaller025682: vmalloc: allocation failure, allocated 745922560 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 32.120850] syzkaller025682 cpuset=/ mems_allowed=0 [ 32.120874] CPU: 0 PID: 3688 Comm: syzkaller025682 Not tainted 4.15.0-rc9+ #212 [ 32.120878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.120881] Call Trace: [ 32.120895] dump_stack+0x194/0x257 [ 32.120910] ? arch_local_irq_restore+0x53/0x53 [ 32.120917] ? idr_get_free_cmn+0xfd0/0xfd0 [ 32.120946] warn_alloc+0x19a/0x2b0 [ 32.120961] ? zone_watermark_ok_safe+0x400/0x400 [ 32.120989] ? rcu_note_context_switch+0x710/0x710 [ 32.121024] __vmalloc_node_range+0x482/0x650 [ 32.121049] ? xt_alloc_table_info+0x64/0xe0 [ 32.121059] __vmalloc_node_flags_caller+0x50/0x60 [ 32.121069] ? xt_alloc_table_info+0x64/0xe0 [ 32.121085] kvmalloc_node+0x82/0xd0 [ 32.121099] xt_alloc_table_info+0x64/0xe0 [ 32.121114] do_ip6t_set_ctl+0x29b/0x5f0 [ 32.121130] ? translate_compat_table+0x1c50/0x1c50 [ 32.121161] ? mutex_unlock+0xd/0x10 [ 32.121171] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 32.121187] nf_setsockopt+0x67/0xc0 [ 32.121202] ipv6_setsockopt+0x115/0x150 [ 32.121216] udpv6_setsockopt+0x45/0x80 [ 32.121232] sock_common_setsockopt+0x95/0xd0 [ 32.121247] SyS_setsockopt+0x189/0x360 [ 32.121261] ? SyS_recv+0x40/0x40 [ 32.121272] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 32.121285] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.121297] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.121316] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 32.121321] RIP: 0033:0x441439 [ 32.121325] RSP: 002b:00007fff40e8e1f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 32.121333] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441439 [ 32.121337] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 32.121341] RBP: 31affa775212f497 R08: 00000000000003b8 R09: 0000000000000000 [ 32.121345] R10: 0000000020019c48 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 32.121350] R13: f604ce9cd855ec40 R14: ebfb5b6031634428 R15: 0000000000000000 [ 32.121482] Mem-Info: [ 32.121498] active_anon:9729 inactive_anon:63 isolated_anon:0 [ 32.121498] active_file:11 inactive_file:11 isolated_file:0 [ 32.121498] unevictable:0 dirty:0 writeback:0 unstable:0 [ 32.121498] slab_reclaimable:7404 slab_unreclaimable:82284 [ 32.121498] mapped:2 shmem:70 pagetables:322 bounce:0 [ 32.121498] free:15784 free_pcp:0 free_cma:0 [ 32.121510] Node 0 active_anon:38916kB inactive_anon:252kB active_file:44kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 28672kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 32.121513] 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 [ 32.121528] lowmem_reserve[]: 0 2868 6378 6378 [ 32.121547] Node 0 DMA32 free:28844kB min:30320kB low:37900kB high:45480kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.121562] lowmem_reserve[]: 0 0 3510 3510 [ 32.121573] Node 0 Normal free:18384kB min:37096kB low:46368kB high:55640kB active_anon:38888kB inactive_anon:248kB active_file:44kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3072kB pagetables:1288kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.121589] lowmem_reserve[]: 0 0 0 0 [ 32.121601] 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 [ 32.121652] Node 0 DMA32: 7*4kB (ME) 6*8kB (ME) 4*16kB (ME) 3*32kB (UME) 3*64kB (UME) 4*128kB (ME) 3*256kB (ME) 3*512kB (ME) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 28844kB [ 32.121709] Node 0 Normal: 410*4kB (UME) 337*8kB (ME) 210*16kB (UME) 112*32kB (UM) 55*64kB (UM) 16*128kB (M) 6*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18384kB [ 32.121762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 32.121765] 99 total pagecache pages [ 32.121773] 0 pages in swap cache [ 32.121777] Swap cache stats: add 0, delete 0, find 0/0 [ 32.121779] Free swap = 0kB [ 32.121781] Total swap = 0kB [ 32.121784] 1965979 pages RAM [ 32.121787] 0 pages HighMem/MovableOnly [ 32.121789] 328415 pages reserved [ 33.508520] Node 0 active_anon:38916kB inactive_anon:252kB active_file:152kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:12kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 28672kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 33.535493] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 33.561600] lowmem_reserve[]: 0 2868 6378 6378 [ 33.566180] Node 0 DMA32 free:43952kB min:30320kB low:37900kB high:45480kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 33.594068] lowmem_reserve[]: 0 0 3510 3510 [ 33.598416] Node 0 Normal free:37028kB min:37096kB low:46368kB high:55640kB active_anon:38888kB inactive_anon:248kB active_file:56kB inactive_file:8kB unevictable:0kB writepending:12kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3040kB pagetables:1272kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 33.645718] lowmem_reserve[]: 0 0 0 0 [ 33.649569] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 33.663142] Node 0 DMA32: 8*4kB (UME) 6*8kB (ME) 5*16kB (UME) 2*32kB (ME) 213*64kB (UME) 19*128kB (UME) 3*256kB (ME) 3*512kB (ME) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 44192kB [ 33.679492] Node 0 Normal: 402*4kB (UME) 338*8kB (UME) 210*16kB (ME) 113*32kB (UM) 302*64kB (UME) 22*128kB (UM) 9*256kB (UME) 3*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 37272kB [ 33.695235] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 33.703801] 110 total pagecache pages [ 33.707588] 0 pages in swap cache [ 33.711031] Swap cache stats: add 0, delete 0, find 0/0 [ 33.716381] Free swap = 0kB [ 33.719391] Total swap = 0kB [ 33.722409] 1965979 pages RAM [ 33.725501] 0 pages HighMem/MovableOnly [ 33.729885] 328415 pages reserved [ 33.733326] Unreclaimable slab info: [ 33.737032] Name Used Total [ 33.742562] hashtab_node 118KB 119KB [ 33.747910] ebitmap_node 400KB 401KB [ 33.753495] avtab_node 1012KB 1013KB [ 33.758890] TIPC 1KB 7KB [ 33.764271] SCTPv6 2KB 4KB [ 33.769651] DCCPv6 2KB 7KB [ 33.775042] DCCP 9KB 13KB [ 33.780443] fib6_nodes 0KB 4KB [ 33.785819] ip6_dst_cache 5KB 7KB [ 33.791201] RAWv6 9KB 13KB [ 33.796573] UDPv6 28KB 28KB [ 33.801954] TCPv6 2KB 5KB [ 33.807348] sd_ext_cdb 0KB 3KB [ 33.812729] scsi_sense_cache 87KB 152KB [ 33.818103] virtio_scsi_cmd 16KB 16KB [ 33.823484] sgpool-128 8KB 8KB [ 33.828857] sgpool-64 4KB 6KB [ 33.834230] sgpool-32 78KB 78KB [ 33.839603] sgpool-16 26KB 26KB [ 33.844976] sgpool-8 176KB 176KB [ 33.850352] cfq_io_cq 15KB 15KB [ 33.867343] cfq_queue 27KB 27KB [ 33.872734] mqueue_inode_cache 1KB 7KB [ 33.879931] nfs_commit_data 3KB 7KB [ 33.893106] nfs_write_data 34KB 37KB [ 33.898492] jbd2_inode 1KB 3KB [ 33.907796] ext4_system_zone 0KB 3KB [ 33.919716] bio-1 1KB 3KB [ 33.925872] rpc_buffers 17KB 19KB [ 33.931246] rpc_tasks 2KB 3KB [ 33.936595] UNIX 782KB 784KB [ 33.941948] tcp_bind_bucket 0KB 4KB [ 33.947301] ip_fib_trie 0KB 3KB [ 33.952660] ip_fib_alias 0KB 3KB [ 33.958023] ip_dst_cache 3KB 4KB [ 33.963371] RAW 5KB 7KB [ 33.968747] UDP 37KB 39KB [ 33.974120] request_sock_TCP 1KB 3KB [ 33.979472] TCP 7KB 15KB [ 33.984833] hugetlbfs_inode_cache 1KB 7KB [ 33.990529] eventpoll_pwq 10KB 15KB [ 33.996334] eventpoll_epi 18KB 27KB [ 34.001692] inotify_inode_mark 3KB 11KB [ 34.007132] request_queue 42KB 113KB [ 34.012484] blkdev_ioc 23KB 23KB [ 34.017835] bio-0 285KB 285KB [ 34.023913] biovec-(1<<(21-12)) 478KB 478KB [ 34.029440] biovec-64 110KB 110KB [ 34.034938] biovec-16 18KB 18KB [ 34.040301] bio_integrity_payload 0KB 4KB [ 34.046005] khugepaged_mm_slot 1KB 3KB [ 34.051459] uid_cache 1KB 3KB [ 34.056809] dmaengine-unmap-2 0KB 3KB [ 34.062164] audit_buffer 2KB 3KB [ 34.067514] skbuff_fclone_cache 148KB 150KB [ 34.073040] skbuff_head_cache 1796KB 1796KB [ 34.078393] configfs_dir_cache 0KB 4KB [ 34.083842] file_lock_cache 165KB 166KB [ 34.089194] file_lock_ctx 1KB 3KB [ 34.094546] fsnotify_mark_connector 2KB 7KB [ 34.100420] shmem_inode_cache 1054KB 1054KB [ 34.105773] task_delay_info 319KB 324KB [ 34.111125] sigqueue 369KB 374KB [ 34.116483] kernfs_node_cache 2308KB 2311KB [ 34.121835] mnt_cache 15KB 20KB [ 34.127620] filp 8456KB 8861KB [ 34.132982] names_cache 111069KB 111107KB [ 34.138353] avc_node 37KB 43KB [ 34.143733] selinux_file_security 432KB 492KB [ 34.149443] selinux_inode_security 1975KB 1976KB [ 34.155230] key_jar 3KB 7KB [ 34.160578] nsproxy 0KB 3KB [ 34.165927] vm_area_struct 18743KB 18744KB [ 34.171283] mm_struct 4553KB 4554KB [ 34.176649] fs_cache 430KB 432KB [ 34.181999] files_cache 1603KB 1605KB [ 34.187369] signal_cache 2555KB 2558KB [ 34.192720] sighand_cache 242KB 346KB [ 34.198068] task_struct 10896KB 10896KB [ 34.203419] cred_jar 2368KB 2368KB [ 34.208822] anon_vma_chain 7860KB 7863KB [ 34.214172] anon_vma 171KB 335KB [ 34.219520] pid 233KB 244KB [ 34.224877] Acpi-Operand 106KB 170KB [ 34.230228] Acpi-ParseExt 0KB 3KB [ 34.235578] Acpi-Parse 0KB 7KB [ 34.240943] Acpi-State 0KB 11KB [ 34.246301] Acpi-Namespace 19KB 23KB [ 34.251664] numa_policy 0KB 3KB [ 34.257452] debug_objects_cache 523KB 524KB [ 34.262982] trace_event_file 149KB 151KB [ 34.268342] ftrace_event_field 261KB 263KB [ 34.273789] pool_workqueue 24KB 28KB [ 34.279152] page->ptl 3130KB 3130KB [ 34.284536] kmalloc-262144 1032KB 1032KB [ 34.289892] kmalloc-131072 650KB 650KB [ 34.295244] kmalloc-65536 264KB 264KB [ 34.300596] kmalloc-32768 825KB 825KB [ 34.305954] kmalloc-16384 181KB 181KB [ 34.311306] kmalloc-8192 519KB 519KB [ 34.316659] kmalloc-4096 6855KB 6876KB [ 34.322018] kmalloc-2048 3249KB 3251KB [ 34.327377] kmalloc-1024 3669KB 3669KB [ 34.332727] kmalloc-512 2782KB 2782KB [ 34.338086] kmalloc-256 1983KB 2505KB [ 34.343438] kmalloc-128 430KB 531KB [ 34.348793] kmalloc-96 296KB 412KB [ 34.354160] kmalloc-64 722KB 828KB [ 34.359519] kmalloc-32 1893KB 2197KB [ 34.364870] kmalloc-192 205KB 280KB [ 34.370221] kmem_cache 102KB 105KB [ 34.375577] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 34.384579] [ 1842] 0 1842 5385 173 86016 0 -1000 udevd [ 34.392714] [ 3379] 0 3379 2493 574 57344 0 0 dhclient [ 34.401105] [ 3532] 0 3532 14265 173 122880 0 0 rsyslogd [ 34.409501] [ 3587] 0 3587 4725 50 86016 0 0 cron [ 34.417552] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 34.426034] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 34.434077] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 34.442208] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 34.450351] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 34.458494] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 34.466633] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 34.474765] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 34.482898] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 34.491039] [ 3667] 0 3667 5681 455 86016 0 -1000 udevd [ 34.499175] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 34.507314] [ 3685] 0 3685 17821 196 184320 0 0 sshd [ 34.515404] [ 3687] 0 3687 281 1 32768 0 0 syzkaller025682 [ 34.524416] [ 3689] 0 3689 4376 1034 40960 0 0 syzkaller025682 [ 34.533434] [ 3690] 0 3690 4376 1034 40960 0 0 syzkaller025682 [ 34.542459] [ 3691] 0 3691 4376 1034 40960 0 0 syzkaller025682 [ 34.551476] [ 3692] 0 3692 4376 1034 40960 0 0 syzkaller025682 [ 34.560493] [ 3693] 0 3693 4376 1034 40960 0 0 syzkaller025682 [ 34.569512] [ 3694] 0 3694 4376 1034 40960 0 0 syzkaller025682 [ 34.578526] [ 3695] 0 3695 4376 1034 40960 0 0 syzkaller025682 [ 34.587538] Out of memory: Kill process 3689 (syzkaller025682) score 0 or sacrifice child [ 34.595908] Killed process 3689 (syzkaller025682) total-vm:17504kB, anon-rss:4136kB, file-rss:0kB, shmem-rss:0kB [ 34.609182] oom_reaper: reaped process 3689 (syzkaller025682), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 34.621525] syzkaller025682 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 34.634968] syzkaller025682 cpuset=/ mems_allowed=0 [ 34.639992] CPU: 1 PID: 3695 Comm: syzkaller025682 Not tainted 4.15.0-rc9+ #212 [ 34.647408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.656732] Call Trace: [ 34.659293] dump_stack+0x194/0x257 [ 34.662896] ? arch_local_irq_restore+0x53/0x53 [ 34.667538] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.672705] dump_header+0x28c/0xe1e [ 34.676394] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.681555] ? pagefault_out_of_memory+0x152/0x152 [ 34.686451] ? check_noncircular+0x20/0x20 [ 34.690661] ? print_irqtrace_events+0x270/0x270 [ 34.695388] ? __lock_acquire+0x664/0x3e00 [ 34.699597] ? check_noncircular+0x20/0x20 [ 34.703804] ? find_held_lock+0x35/0x1d0 [ 34.707842] ? check_noncircular+0x20/0x20 [ 34.712046] ? task_will_free_mem+0x252/0xaa0 [ 34.716521] ? print_irqtrace_events+0x270/0x270 [ 34.721251] ? ___ratelimit+0x30d/0x630 [ 34.725195] ? lock_downgrade+0x980/0x980 [ 34.729318] ? lock_release+0xa40/0xa40 [ 34.733267] ? mark_held_locks+0xaf/0x100 [ 34.737384] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 34.742460] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.747446] ? trace_hardirqs_on+0xd/0x10 [ 34.751566] ? ___ratelimit+0x95/0x630 [ 34.755425] ? idr_get_free_cmn+0xfd0/0xfd0 [ 34.759724] ? check_noncircular+0x20/0x20 [ 34.763926] ? find_held_lock+0x138/0x1d0 [ 34.768063] oom_kill_process+0x8b5/0x14a0 [ 34.772273] ? has_ns_capability_noaudit+0x163/0x2a0 [ 34.777344] ? lock_downgrade+0x980/0x980 [ 34.781466] ? oom_evaluate_task+0x480/0x480 [ 34.785858] ? security_capable_noaudit+0x8b/0xc0 [ 34.790675] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 34.795746] ? has_capability+0x30/0x30 [ 34.799688] ? do_raw_spin_trylock+0x190/0x190 [ 34.804250] ? check_noncircular+0x20/0x20 [ 34.808464] ? has_capability_noaudit+0x24/0x30 [ 34.813102] ? oom_badness+0xd1/0x980 [ 34.816872] ? lock_release+0xa40/0xa40 [ 34.820819] ? do_try_to_free_pages+0xc53/0x1020 [ 34.825549] ? find_lock_task_mm+0x460/0x460 [ 34.829929] ? find_held_lock+0x35/0x1d0 [ 34.833966] ? out_of_memory+0xb3a/0x1220 [ 34.838089] ? lock_downgrade+0x980/0x980 [ 34.842209] ? lock_release+0xa40/0xa40 [ 34.846154] ? lock_acquire+0x1d5/0x580 [ 34.850099] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 34.855005] ? oom_evaluate_task+0x284/0x480 [ 34.859395] out_of_memory+0x86d/0x1220 [ 34.863340] ? trace_hardirqs_on+0xd/0x10 [ 34.867463] ? oom_killer_disable+0x310/0x310 [ 34.871926] ? mutex_trylock+0x23a/0x2d0 [ 34.875959] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 34.881378] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 34.887242] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 34.892092] ? warn_alloc+0x2b0/0x2b0 [ 34.895861] ? trace_hardirqs_off+0xd/0x10 [ 34.900072] ? print_irqtrace_events+0x270/0x270 [ 34.904796] ? mark_held_locks+0xaf/0x100 [ 34.908926] ? _raw_spin_unlock_irq+0x27/0x70 [ 34.913396] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.918384] ? trace_hardirqs_on+0xd/0x10 [ 34.922502] ? _raw_spin_unlock_irq+0x27/0x70 [ 34.926967] ? finish_task_switch+0x1d3/0x740 [ 34.931429] ? finish_task_switch+0x1aa/0x740 [ 34.935988] ? mark_held_locks+0xaf/0x100 [ 34.940109] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.945095] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.949854] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 34.955722] ? __might_sleep+0x95/0x190 [ 34.959674] __alloc_pages_nodemask+0x9fb/0xd80 [ 34.964317] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 34.969309] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.974040] ? retint_kernel+0x10/0x10 [ 34.977904] ? __lock_is_held+0xb6/0x140 [ 34.981946] ? rcu_note_context_switch+0x710/0x710 [ 34.986850] alloc_pages_current+0xb6/0x1e0 [ 34.991144] __vmalloc_node_range+0x409/0x650 [ 34.995616] ? xt_alloc_table_info+0x64/0xe0 [ 34.999996] __vmalloc_node_flags_caller+0x50/0x60 [ 35.004896] ? xt_alloc_table_info+0x64/0xe0 [ 35.009277] kvmalloc_node+0x82/0xd0 [ 35.012962] xt_alloc_table_info+0x64/0xe0 [ 35.017171] do_ip6t_set_ctl+0x29b/0x5f0 [ 35.021206] ? translate_compat_table+0x1c50/0x1c50 [ 35.026215] ? mutex_unlock+0xd/0x10 [ 35.029897] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 35.035150] nf_setsockopt+0x67/0xc0 [ 35.038835] ipv6_setsockopt+0x115/0x150 [ 35.042870] udpv6_setsockopt+0x45/0x80 [ 35.046823] sock_common_setsockopt+0x95/0xd0 [ 35.051290] SyS_setsockopt+0x189/0x360 [ 35.055236] ? SyS_recv+0x40/0x40 [ 35.058661] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 35.063473] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.068461] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.073192] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 35.077916] RIP: 0033:0x441439 [ 35.081077] RSP: 002b:00007fff40e8e1f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 35.088759] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441439 [ 35.095998] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 35.103236] RBP: 31affa775212f497 R08: 00000000000003b8 R09: 0000000000000000 [ 35.110477] R10: 0000000020019c48 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 35.117715] R13: f604ce9cd855ec40 R14: ebfb5b6031634428 R15: 0000000000000000 [ 35.125178] Mem-Info: [ 35.151813] active_anon:8700 inactive_anon:63 isolated_anon:0 [ 35.151813] active_file:0 inactive_file:24 isolated_file:0 [ 35.151813] unevictable:0 dirty:0 writeback:0 unstable:0 [ 35.151813] slab_reclaimable:7406 slab_unreclaimable:82271 [ 35.151813] mapped:2 shmem:70 pagetables:316 bounce:0 [ 35.151813] free:23073 free_pcp:40 free_cma:0 [ 35.184618] Node 0 active_anon:34800kB inactive_anon:252kB active_file:100kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):100kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 24576kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 35.211726] 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 [ 35.216132] syzkaller025682: vmalloc: allocation failure, allocated 930295808 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 35.216137] syzkaller025682 cpuset=/ mems_allowed=0 [ 35.216153] CPU: 0 PID: 3689 Comm: syzkaller025682 Not tainted 4.15.0-rc9+ #212 [ 35.216157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.216160] Call Trace: [ 35.216175] dump_stack+0x194/0x257 [ 35.216189] ? arch_local_irq_restore+0x53/0x53 [ 35.216196] ? idr_get_free_cmn+0xfd0/0xfd0 [ 35.216221] warn_alloc+0x19a/0x2b0 [ 35.216234] ? zone_watermark_ok_safe+0x400/0x400 [ 35.216258] ? rcu_note_context_switch+0x710/0x710 [ 35.216289] __vmalloc_node_range+0x482/0x650 [ 35.216312] ? xt_alloc_table_info+0x64/0xe0 [ 35.216321] __vmalloc_node_flags_caller+0x50/0x60 [ 35.216329] ? xt_alloc_table_info+0x64/0xe0 [ 35.216344] kvmalloc_node+0x82/0xd0 [ 35.216356] xt_alloc_table_info+0x64/0xe0 [ 35.216370] do_ip6t_set_ctl+0x29b/0x5f0 [ 35.216385] ? translate_compat_table+0x1c50/0x1c50 [ 35.216412] ? mutex_unlock+0xd/0x10 [ 35.216421] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 35.216435] nf_setsockopt+0x67/0xc0 [ 35.216449] ipv6_setsockopt+0x115/0x150 [ 35.216462] udpv6_setsockopt+0x45/0x80 [ 35.216479] sock_common_setsockopt+0x95/0xd0 [ 35.216494] SyS_setsockopt+0x189/0x360 [ 35.216509] ? SyS_recv+0x40/0x40 [ 35.216520] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 35.216531] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.216542] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.216561] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 35.216567] RIP: 0033:0x441439 [ 35.216571] RSP: 002b:00007fff40e8e1f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 35.216578] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441439 [ 35.216582] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 35.216586] RBP: 31affa775212f497 R08: 00000000000003b8 R09: 0000000000000000 [ 35.216590] R10: 0000000020019c48 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 35.216594] R13: f604ce9cd855ec40 R14: ebfb5b6031634428 R15: 0000000000000000 [ 35.216624] Mem-Info: [ 35.216639] active_anon:8700 inactive_anon:63 isolated_anon:0 [ 35.216639] active_file:25 inactive_file:0 isolated_file:0 [ 35.216639] unevictable:0 dirty:0 writeback:0 unstable:0 [ 35.216639] slab_reclaimable:7406 slab_unreclaimable:82271 [ 35.216639] mapped:2 shmem:70 pagetables:316 bounce:0 [ 35.216639] free:15788 free_pcp:90 free_cma:0 [ 35.216652] Node 0 active_anon:34800kB inactive_anon:252kB active_file:100kB 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: 24576kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 35.216654] 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 [ 35.216670] lowmem_reserve[]: 0 2868 6378 6378 [ 35.216682] Node 0 DMA32 free:28792kB min:30320kB low:37900kB high:45480kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 35.216697] lowmem_reserve[]: 0 0 3510 3510 [ 35.216709] Node 0 Normal free:18452kB min:37096kB low:46368kB high:55640kB active_anon:34772kB inactive_anon:248kB active_file:104kB inactive_file:4kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3040kB pagetables:1264kB bounce:0kB free_pcp:240kB local_pcp:120kB free_cma:0kB [ 35.216724] lowmem_reserve[]: 0 0 0 0 [ 35.216736] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 35.216787] Node 0 DMA32: 7*4kB (ME) 6*8kB (ME) 4*16kB (ME) 2*32kB (ME) 3*64kB (UME) 4*128kB (ME) 3*256kB (ME) 3*512kB (ME) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 28812kB [ 35.216844] Node 0 Normal: 401*4kB (ME) 336*8kB (ME) 211*16kB (UME) 111*32kB (M) 55*64kB (UME) 17*128kB (UM) 6*256kB (ME) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18452kB [ 35.216897] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 35.216900] 99 total pagecache pages [ 35.216908] 0 pages in swap cache [ 35.216912] Swap cache stats: add 0, delete 0, find 0/0 [ 35.216914] Free swap = 0kB [ 35.216917] Total swap = 0kB [ 35.216919] 1965979 pages RAM [ 35.216922] 0 pages HighMem/MovableOnly [ 35.216924] 328415 pages reserved [ 35.768898] lowmem_reserve[]: 0 2868 6378 6378 [ 35.773570] Node 0 DMA32 free:28792kB min:30320kB low:37900kB high:45480kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 35.801107] lowmem_reserve[]: 0 0 3510 3510 [ 35.805538] Node 0 Normal free:18452kB min:37096kB low:46368kB high:55640kB active_anon:34772kB inactive_anon:248kB active_file:104kB inactive_file:4kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3040kB pagetables:1264kB bounce:0kB free_pcp:240kB local_pcp:120kB free_cma:0kB [ 35.834468] lowmem_reserve[]: 0 0 0 0 [ 35.838369] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 35.863078] Node 0 DMA32: 7*4kB (ME) 6*8kB (ME) 4*16kB (ME) 2*32kB (ME) 3*64kB (UME) 4*128kB (ME) 3*256kB (ME) 3*512kB (ME) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 28812kB [ 35.895074] Node 0 Normal: 405*4kB (UME) 336*8kB (ME) 212*16kB (UME) 574*32kB (UM) 615*64kB (UME) 47*128kB (UM) 39*256kB (UME) 33*512kB (U) 15*1024kB (U) 0*2048kB 0*4096kB = 113684kB [ 35.927087] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 35.943077] 99 total pagecache pages [ 35.946848] 0 pages in swap cache [ 35.958075] Swap cache stats: add 0, delete 0, find 0/0 [ 35.971074] Free swap = 0kB [ 35.974139] Total swap = 0kB [ 35.985074] 1965979 pages RAM [ 35.988212] 0 pages HighMem/MovableOnly [ 35.996081] 328415 pages reserved [ 35.999561] Unreclaimable slab info: [ 36.011074] Name Used Total [ 36.024081] hashtab_node 118KB 119KB [ 36.033077] ebitmap_node 400KB 401KB [ 36.046076] avtab_node 1012KB 1013KB [ 36.055078] TIPC 1KB 7KB [ 36.068079] SCTPv6 2KB 4KB [ 36.118056] DCCPv6 2KB 7KB [ 36.150053] DCCP 6KB 13KB [ 36.183096] fib6_nodes 0KB 4KB [ 36.219052] ip6_dst_cache 5KB 7KB [ 36.251056] RAWv6 9KB 13KB [ 36.282038] UDPv6 28KB 28KB [ 36.303358] TCPv6 2KB 5KB [ 36.323062] sd_ext_cdb 0KB 3KB [ 36.338047] scsi_sense_cache 94KB 152KB [ 36.366379] virtio_scsi_cmd 16KB 16KB [ 36.394051] sgpool-128 8KB 8KB [ 36.410488] sgpool-64 4KB 6KB [ 36.417334] sgpool-32 86KB 86KB [ 36.423298] sgpool-16 30KB 30KB [ 36.428785] sgpool-8 183KB 183KB [ 36.434301] cfq_io_cq 18KB 19KB [ 36.440351] cfq_queue 30KB 30KB [ 36.450005] mqueue_inode_cache 1KB 7KB [ 36.455576] nfs_commit_data 3KB 7KB [ 36.464047] nfs_write_data 34KB 37KB [ 36.469577] jbd2_inode 1KB 3KB [ 36.475072] ext4_system_zone 0KB 3KB [ 36.480531] bio-1 1KB 3KB [ 36.486214] rpc_buffers 17KB 19KB [ 36.491599] rpc_tasks 2KB 3KB [ 36.496974] UNIX 782KB 784KB [ 36.502353] tcp_bind_bucket 0KB 4KB [ 36.507731] ip_fib_trie 0KB 3KB [ 36.513107] ip_fib_alias 0KB 3KB [ 36.518482] ip_dst_cache 3KB 4KB [ 36.538351] RAW 5KB 7KB [ 36.543839] UDP 35KB 39KB [ 36.549214] request_sock_TCP 1KB 3KB [ 36.554573] TCP 7KB 15KB [ 36.559922] hugetlbfs_inode_cache 1KB 7KB [ 36.565621] eventpoll_pwq 10KB 15KB [ 36.570994] eventpoll_epi 18KB 27KB [ 36.576384] inotify_inode_mark 3KB 11KB [ 36.581852] request_queue 42KB 113KB [ 36.587237] blkdev_ioc 23KB 23KB [ 36.592614] bio-0 296KB 296KB [ 36.597990] biovec-(1<<(21-12)) 511KB 511KB [ 36.603553] biovec-64 133KB 133KB [ 36.608935] biovec-16 18KB 18KB [ 36.614312] bio_integrity_payload 0KB 4KB [ 36.620035] khugepaged_mm_slot 1KB 3KB [ 36.625502] uid_cache 0KB 3KB [ 36.630879] dmaengine-unmap-2 0KB 3KB [ 36.636258] audit_buffer 2KB 3KB [ 36.641638] skbuff_fclone_cache 148KB 150KB [ 36.652763] skbuff_head_cache 1796KB 1796KB [ 36.665094] configfs_dir_cache 0KB 4KB [ 36.670573] file_lock_cache 165KB 166KB [ 36.681639] file_lock_ctx 1KB 3KB [ 36.693283] fsnotify_mark_connector 2KB 7KB [ 36.699197] shmem_inode_cache 1054KB 1054KB [ 36.705294] task_delay_info 319KB 324KB [ 36.710661] sigqueue 369KB 374KB [ 36.716020] kernfs_node_cache 2308KB 2311KB [ 36.721369] mnt_cache 15KB 20KB [ 36.726718] filp 8450KB 8861KB [ 36.732080] names_cache 111069KB 111107KB [ 36.737431] avc_node 37KB 43KB [ 36.742781] selinux_file_security 431KB 492KB [ 36.748478] selinux_inode_security 1975KB 1976KB [ 36.754260] key_jar 3KB 7KB [ 36.759616] nsproxy 0KB 3KB [ 36.764964] vm_area_struct 18742KB 18744KB [ 36.770322] mm_struct 4551KB 4554KB [ 36.775676] fs_cache 430KB 432KB [ 36.781217] files_cache 1602KB 1605KB [ 36.786620] signal_cache 2554KB 2558KB [ 36.792843] sighand_cache 240KB 346KB [ 36.798232] task_struct 10896KB 10896KB [ 36.803616] cred_jar 2366KB 2368KB [ 36.813396] anon_vma_chain 7860KB 7863KB [ 36.825532] anon_vma 166KB 335KB [ 36.830925] pid 230KB 244KB [ 36.841876] Acpi-Operand 106KB 170KB [ 36.848312] Acpi-ParseExt 0KB 3KB [ 36.853685] Acpi-Parse 0KB 7KB [ 36.859038] Acpi-State 0KB 11KB [ 36.864405] Acpi-Namespace 19KB 23KB [ 36.869753] numa_policy 0KB 3KB [ 36.875103] debug_objects_cache 522KB 524KB [ 36.880625] trace_event_file 149KB 151KB [ 36.885976] ftrace_event_field 261KB 263KB [ 36.891410] pool_workqueue 24KB 28KB [ 36.896760] page->ptl 3128KB 3130KB [ 36.902128] kmalloc-262144 1032KB 1032KB [ 36.907477] kmalloc-131072 650KB 650KB [ 36.912829] kmalloc-65536 264KB 264KB [ 36.918179] kmalloc-32768 825KB 825KB [ 36.923961] kmalloc-16384 181KB 181KB [ 36.929310] kmalloc-8192 519KB 519KB [ 36.934658] kmalloc-4096 6566KB 6604KB [ 36.940023] kmalloc-2048 3249KB 3251KB [ 36.945373] kmalloc-1024 3732KB 3732KB [ 36.950721] kmalloc-512 2782KB 2782KB [ 36.962586] kmalloc-256 1979KB 2505KB [ 36.967979] kmalloc-128 429KB 531KB [ 36.977450] kmalloc-96 304KB 412KB [ 36.989533] kmalloc-64 722KB 828KB [ 37.003972] kmalloc-32 1893KB 2197KB [ 37.009361] kmalloc-192 205KB 280KB [ 37.014711] kmem_cache 102KB 105KB [ 37.020057] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 37.028636] [ 1842] 0 1842 5385 173 86016 0 -1000 udevd [ 37.036772] [ 3379] 0 3379 2493 574 57344 0 0 dhclient [ 37.045167] [ 3532] 0 3532 14364 203 122880 0 0 rsyslogd [ 37.053557] [ 3587] 0 3587 4725 50 86016 0 0 cron [ 37.061633] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 37.070131] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 37.078199] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 37.086348] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 37.094494] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 37.102638] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 37.110787] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 37.118995] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 37.127161] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 37.135308] [ 3667] 0 3667 5681 455 86016 0 -1000 udevd [ 37.143451] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 37.151598] [ 3685] 0 3685 17821 196 184320 0 0 sshd [ 37.159660] [ 3687] 0 3687 281 1 32768 0 0 syzkaller025682 [ 37.168679] [ 3690] 0 3690 4376 1034 40960 0 0 syzkaller025682 [ 37.177690] [ 3691] 0 3691 4376 1034 40960 0 0 syzkaller025682 [ 37.186715] [ 3692] 0 3692 4376 1034 40960 0 0 syzkaller025682 [ 37.195735] [ 3693] 0 3693 4376 1034 40960 0 0 syzkaller025682 [ 37.204748] [ 3694] 0 3694 4376 1034 40960 0 0 syzkaller025682 [ 37.213769] [ 3695] 0 3695 4376 1034 40960 0 0 syzkaller025682 [ 37.222787] Out of memory: Kill process 3690 (syzkaller025682) score 0 or sacrifice child [ 37.231181] Killed process 3690 (syzkaller025682) total-vm:17504kB, anon-rss:4136kB, file-rss:0kB, shmem-rss:0kB [ 37.244183] oom_reaper: reaped process 3690 (syzkaller025682), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 37.256513] syzkaller025682 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 37.269955] syzkaller025682 cpuset=/ mems_allowed=0 [ 37.274969] CPU: 1 PID: 3695 Comm: syzkaller025682 Not tainted 4.15.0-rc9+ #212 [ 37.282384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.291705] Call Trace: [ 37.294268] dump_stack+0x194/0x257 [ 37.297867] ? arch_local_irq_restore+0x53/0x53 [ 37.302506] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 37.307670] dump_header+0x28c/0xe1e [ 37.311361] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 37.316531] ? pagefault_out_of_memory+0x152/0x152 [ 37.321431] ? check_noncircular+0x20/0x20 [ 37.325636] ? print_irqtrace_events+0x270/0x270 [ 37.330365] ? __lock_acquire+0x664/0x3e00 [ 37.334574] ? check_noncircular+0x20/0x20 [ 37.338784] ? find_held_lock+0x35/0x1d0 [ 37.342820] ? check_noncircular+0x20/0x20 [ 37.347023] ? task_will_free_mem+0x252/0xaa0 [ 37.351493] ? print_irqtrace_events+0x270/0x270 [ 37.356227] ? ___ratelimit+0x30d/0x630 [ 37.360174] ? lock_downgrade+0x980/0x980 [ 37.364297] ? lock_release+0xa40/0xa40 [ 37.368252] ? mark_held_locks+0xaf/0x100 [ 37.372371] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 37.377447] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.382434] ? trace_hardirqs_on+0xd/0x10 [ 37.386555] ? ___ratelimit+0x95/0x630 [ 37.390419] ? idr_get_free_cmn+0xfd0/0xfd0 [ 37.394716] ? check_noncircular+0x20/0x20 [ 37.398917] ? find_held_lock+0x138/0x1d0 [ 37.403039] oom_kill_process+0x8b5/0x14a0 [ 37.407250] ? has_ns_capability_noaudit+0x163/0x2a0 [ 37.412322] ? lock_downgrade+0x980/0x980 [ 37.416442] ? oom_evaluate_task+0x480/0x480 [ 37.420829] ? security_capable_noaudit+0x8b/0xc0 [ 37.425645] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 37.430716] ? has_capability+0x30/0x30 [ 37.434660] ? do_raw_spin_trylock+0x190/0x190 [ 37.439219] ? check_noncircular+0x20/0x20 [ 37.443431] ? has_capability_noaudit+0x24/0x30 [ 37.448077] ? oom_badness+0xd1/0x980 [ 37.451847] ? lock_release+0xa40/0xa40 [ 37.455799] ? do_try_to_free_pages+0xc53/0x1020 [ 37.460527] ? find_lock_task_mm+0x460/0x460 [ 37.464910] ? find_held_lock+0x35/0x1d0 [ 37.468949] ? out_of_memory+0xb3a/0x1220 [ 37.473074] ? lock_downgrade+0x980/0x980 [ 37.477192] ? lock_release+0xa40/0xa40 [ 37.481137] ? lock_acquire+0x1d5/0x580 [ 37.485082] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 37.489995] ? oom_evaluate_task+0x284/0x480 [ 37.494380] out_of_memory+0x86d/0x1220 [ 37.498324] ? trace_hardirqs_on+0xd/0x10 [ 37.502450] ? oom_killer_disable+0x310/0x310 [ 37.506912] ? mutex_trylock+0x23a/0x2d0 [ 37.510944] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 37.516362] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 37.522228] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 37.527065] ? warn_alloc+0x2b0/0x2b0 [ 37.530842] ? trace_hardirqs_off+0xd/0x10 [ 37.535053] ? print_irqtrace_events+0x270/0x270 [ 37.539779] ? print_irqtrace_events+0x270/0x270 [ 37.544502] ? mark_held_locks+0xaf/0x100 [ 37.548622] ? _raw_spin_unlock_irq+0x27/0x70 [ 37.553088] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.558075] ? trace_hardirqs_on+0xd/0x10 [ 37.562192] ? _raw_spin_unlock_irq+0x27/0x70 [ 37.566658] ? finish_task_switch+0x1d3/0x740 [ 37.571120] ? finish_task_switch+0x1aa/0x740 [ 37.575593] ? retint_kernel+0x10/0x10 [ 37.579453] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.584441] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.589199] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 37.595063] ? __might_sleep+0x95/0x190 [ 37.599013] __alloc_pages_nodemask+0x9fb/0xd80 [ 37.603658] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 37.608644] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.613383] ? retint_kernel+0x10/0x10 [ 37.617249] ? __lock_is_held+0xb6/0x140 [ 37.621291] ? rcu_note_context_switch+0x710/0x710 [ 37.626194] alloc_pages_current+0xb6/0x1e0 [ 37.630492] __vmalloc_node_range+0x409/0x650 [ 37.634966] ? xt_alloc_table_info+0x64/0xe0 [ 37.639356] __vmalloc_node_flags_caller+0x50/0x60 [ 37.644265] ? xt_alloc_table_info+0x64/0xe0 [ 37.648645] kvmalloc_node+0x82/0xd0 [ 37.652332] xt_alloc_table_info+0x64/0xe0 [ 37.656540] do_ip6t_set_ctl+0x29b/0x5f0 [ 37.660577] ? translate_compat_table+0x1c50/0x1c50 [ 37.665584] ? mutex_unlock+0xd/0x10 [ 37.669266] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 37.674513] nf_setsockopt+0x67/0xc0 [ 37.678206] ipv6_setsockopt+0x115/0x150 [ 37.682237] udpv6_setsockopt+0x45/0x80 [ 37.686188] sock_common_setsockopt+0x95/0xd0 [ 37.690663] SyS_setsockopt+0x189/0x360 [ 37.694613] ? SyS_recv+0x40/0x40 [ 37.698034] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 37.702848] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.707834] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.712566] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 37.717291] RIP: 0033:0x441439 [ 37.720448] RSP: 002b:00007fff40e8e1f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 37.728124] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441439 [ 37.735364] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 37.742606] RBP: 31affa775212f497 R08: 00000000000003b8 R09: 0000000000000000 [ 37.749845] R10: 0000000020019c48 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 37.757087] R13: f604ce9cd855ec40 R14: ebfb5b6031634428 R15: 0000000000000000 [ 37.764538] Mem-Info: [ 37.767557] active_anon:7742 inactive_anon:63 isolated_anon:0 [ 37.767557] active_file:13 inactive_file:15 isolated_file:0 [ 37.767557] unevictable:0 dirty:0 writeback:0 unstable:0 [ 37.767557] slab_reclaimable:7413 slab_unreclaimable:81878 [ 37.767557] mapped:2 shmem:70 pagetables:310 bounce:0 [ 37.767557] free:24389 free_pcp:7 free_cma:0 [ 37.827919] Node 0 active_anon:30968kB inactive_anon:252kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 20480kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 37.840082] syzkaller025682: vmalloc: allocation failure, allocated 1219809280 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 37.840087] syzkaller025682 cpuset=/ mems_allowed=0 [ 37.840103] CPU: 1 PID: 3690 Comm: syzkaller025682 Not tainted 4.15.0-rc9+ #212 [ 37.840107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.840110] Call Trace: [ 37.840125] dump_stack+0x194/0x257 [ 37.840138] ? arch_local_irq_restore+0x53/0x53 [ 37.840145] ? idr_get_free_cmn+0xfd0/0xfd0 [ 37.840170] warn_alloc+0x19a/0x2b0 [ 37.840183] ? zone_watermark_ok_safe+0x400/0x400 [ 37.840208] ? rcu_note_context_switch+0x710/0x710 [ 37.840235] __vmalloc_node_range+0x482/0x650 [ 37.840259] ? xt_alloc_table_info+0x64/0xe0 [ 37.840268] __vmalloc_node_flags_caller+0x50/0x60 [ 37.840276] ? xt_alloc_table_info+0x64/0xe0 [ 37.840290] kvmalloc_node+0x82/0xd0 [ 37.840302] xt_alloc_table_info+0x64/0xe0 [ 37.840316] do_ip6t_set_ctl+0x29b/0x5f0 [ 37.840330] ? translate_compat_table+0x1c50/0x1c50 [ 37.840357] ? mutex_unlock+0xd/0x10 [ 37.840366] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 37.840380] nf_setsockopt+0x67/0xc0 [ 37.840394] ipv6_setsockopt+0x115/0x150 [ 37.840407] udpv6_setsockopt+0x45/0x80 [ 37.840422] sock_common_setsockopt+0x95/0xd0 [ 37.840438] SyS_setsockopt+0x189/0x360 [ 37.840452] ? SyS_recv+0x40/0x40 [ 37.840463] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 37.840475] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.840486] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.840504] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 37.840510] RIP: 0033:0x441439 [ 37.840514] RSP: 002b:00007fff40e8e1f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 37.840521] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441439 [ 37.840525] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 37.840529] RBP: 31affa775212f497 R08: 00000000000003b8 R09: 0000000000000000 [ 37.840533] R10: 0000000020019c48 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 37.840537] R13: f604ce9cd855ec40 R14: ebfb5b6031634428 R15: 0000000000000000 [ 37.840571] Mem-Info: [ 37.840587] active_anon:7742 inactive_anon:63 isolated_anon:0 [ 37.840587] active_file:8 inactive_file:22 isolated_file:0 [ 37.840587] unevictable:0 dirty:0 writeback:0 unstable:0 [ 37.840587] slab_reclaimable:7414 slab_unreclaimable:81871 [ 37.840587] mapped:2 shmem:70 pagetables:310 bounce:0 [ 37.840587] free:15818 free_pcp:92 free_cma:0 [ 37.840599] Node 0 active_anon:30968kB inactive_anon:252kB active_file:32kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 20480kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 37.840602] 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 [ 37.840618] lowmem_reserve[]: 0 2868 6378 6378 [ 37.840630] Node 0 DMA32 free:28932kB min:30320kB low:37900kB high:45480kB active_anon:312kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:240kB local_pcp:120kB free_cma:0kB [ 37.840646] lowmem_reserve[]: 0 0 3510 3510 [ 37.840658] Node 0 Normal free:18432kB min:37096kB low:46368kB high:55640kB active_anon:30656kB inactive_anon:248kB active_file:32kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3008kB pagetables:1240kB bounce:0kB free_pcp:128kB local_pcp:120kB free_cma:0kB [ 37.840673] lowmem_reserve[]: 0 0 0 0 [ 37.840685] 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 [ 37.840737] Node 0 DMA32: 9*4kB (M) 10*8kB (UME) 7*16kB (M) 7*32kB (UME) 3*64kB (UME) 7*128kB (UME) 5*256kB (UME) 1*512kB (E) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 28932kB [ 37.840794] Node 0 Normal: 398*4kB (M) 336*8kB (ME) 211*16kB (UME) 111*32kB (M) 55*64kB (UME) 17*128kB (UM) 7*256kB (UME) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18696kB [ 37.840846] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 37.840849] 100 total pagecache pages [ 37.840857] 0 pages in swap cache [ 37.840861] Swap cache stats: add 0, delete 0, find 0/0 [ 37.840864] Free swap = 0kB [ 37.840866] Total swap = 0kB [ 37.840869] 1965979 pages RAM [ 37.840871] 0 pages HighMem/MovableOnly [ 37.840874] 328415 pages reserved [ 39.319306] 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 [ 39.345470] lowmem_reserve[]: 0 2868 6378 6378 [ 39.350112] Node 0 DMA32 free:43860kB min:30320kB low:37900kB high:45480kB active_anon:172kB inactive_anon:0kB active_file:300kB inactive_file:200kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:172kB local_pcp:0kB free_cma:0kB [ 39.377997] lowmem_reserve[]: 0 0 3510 3510 [ 39.382365] Node 0 Normal free:37856kB min:37096kB low:46368kB high:55640kB active_anon:30684kB inactive_anon:248kB active_file:388kB inactive_file:752kB unevictable:0kB writepending:408kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3008kB pagetables:1296kB bounce:0kB free_pcp:520kB local_pcp:0kB free_cma:0kB [ 39.411358] lowmem_reserve[]: 0 0 0 0 [ 39.422124] 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 [ 39.436618] Node 0 DMA32: 17*4kB (ME) 20*8kB (UM) 17*16kB (ME) 6*32kB (ME) 3*64kB (ME) 18*128kB (UM) 16*256kB (UME) 10*512kB (UE) 9*1024kB (UME) 3*2048kB (UME) 4*4096kB (M) = 44148kB [ 39.453198] Node 0 Normal: 406*4kB (UME) 318*8kB (UME) 207*16kB (ME) 113*32kB (UME) 137*64kB (UM) 33*128kB (UM) 11*256kB (UME) 2*512kB (U) 7*1024kB (U) 1*2048kB (U) 0*4096kB = 37144kB [ 39.469740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 39.478309] 123 total pagecache pages [ 39.482100] 0 pages in swap cache [ 39.485540] Swap cache stats: add 0, delete 0, find 0/0 [ 39.490892] Free swap = 0kB [ 39.493897] Total swap = 0kB [ 39.496898] 1965979 pages RAM [ 39.499987] 0 pages HighMem/MovableOnly [ 39.503951] 328415 pages reserved [ 39.507391] Unreclaimable slab info: [ 39.511094] Name Used Total [ 39.516621] hashtab_node 118KB 119KB [ 39.522060] ebitmap_node 398KB 401KB [ 39.527479] avtab_node 1012KB 1013KB [ 39.532863] TIPC 1KB 7KB [ 39.538251] SCTPv6 2KB 4KB [ 39.552387] DCCPv6 2KB 7KB [ 39.560810] DCCP 4KB 6KB [ 39.566219] fib6_nodes 0KB 4KB [ 39.577999] ip6_dst_cache 5KB 7KB [ 39.583422] RAWv6 9KB 13KB [ 39.588799] UDPv6 26KB 28KB [ 39.594176] TCPv6 2KB 5KB [ 39.599565] sd_ext_cdb 0KB 3KB [ 39.604943] scsi_sense_cache 117KB 152KB [ 39.610331] virtio_scsi_cmd 16KB 16KB [ 39.615712] sgpool-128 8KB 8KB [ 39.621085] sgpool-64 4KB 6KB [ 39.626458] sgpool-32 110KB 110KB [ 39.631835] sgpool-16 33KB 33KB [ 39.637209] sgpool-8 240KB 240KB [ 39.642591] cfq_io_cq 18KB 19KB [ 39.647969] cfq_queue 29KB 30KB [ 39.653344] mqueue_inode_cache 1KB 7KB [ 39.658808] nfs_commit_data 3KB 7KB [ 39.664184] nfs_write_data 34KB 37KB [ 39.669561] jbd2_inode 1KB 3KB [ 39.674936] ext4_system_zone 0KB 3KB [ 39.684391] bio-1 1KB 3KB [ 39.696796] rpc_buffers 17KB 19KB [ 39.702181] rpc_tasks 2KB 3KB [ 39.711267] UNIX 780KB 784KB [ 39.716681] tcp_bind_bucket 0KB 4KB [ 39.722044] ip_fib_trie 0KB 3KB [ 39.727396] ip_fib_alias 0KB 3KB [ 39.732743] ip_dst_cache 3KB 4KB [ 39.738094] RAW 5KB 7KB [ 39.743443] UDP 32KB 39KB [ 39.748791] request_sock_TCP 0KB 3KB [ 39.754138] TCP 7KB 15KB [ 39.759487] hugetlbfs_inode_cache 1KB 7KB [ 39.765193] eventpoll_pwq 10KB 15KB [ 39.770969] eventpoll_epi 18KB 27KB [ 39.776470] inotify_inode_mark 3KB 11KB [ 39.781918] request_queue 36KB 90KB [ 39.787270] blkdev_ioc 23KB 23KB [ 39.792618] bio-0 363KB 363KB [ 39.797967] biovec-(1<<(21-12)) 561KB 561KB [ 39.803492] biovec-64 165KB 165KB [ 39.808840] biovec-16 22KB 22KB [ 39.814192] bio_integrity_payload 0KB 4KB [ 39.820249] khugepaged_mm_slot 1KB 3KB [ 39.825701] uid_cache 0KB 3KB [ 39.831072] dmaengine-unmap-2 0KB 3KB [ 39.836426] audit_buffer 1KB 3KB [ 39.841775] skbuff_fclone_cache 147KB 150KB [ 39.847304] skbuff_head_cache 1795KB 1796KB [ 39.852656] configfs_dir_cache 0KB 4KB [ 39.858090] file_lock_cache 165KB 166KB [ 39.863443] file_lock_ctx 1KB 3KB [ 39.868794] fsnotify_mark_connector 2KB 7KB [ 39.874665] shmem_inode_cache 1053KB 1054KB [ 39.880046] task_delay_info 324KB 324KB [ 39.885404] sigqueue 369KB 374KB [ 39.890753] kernfs_node_cache 2308KB 2311KB [ 39.896103] mnt_cache 15KB 20KB [ 39.901450] filp 8381KB 8812KB [ 39.907254] names_cache 110568KB 110568KB [ 39.912613] avc_node 37KB 43KB [ 39.917964] selinux_file_security 425KB 492KB [ 39.923671] selinux_inode_security 1980KB 1980KB [ 39.929480] key_jar 3KB 7KB [ 39.934842] nsproxy 0KB 3KB [ 39.940199] vm_area_struct 18755KB 18755KB [ 39.945546] mm_struct 4550KB 4554KB [ 39.950902] fs_cache 430KB 432KB [ 39.956250] files_cache 1602KB 1605KB [ 39.961600] signal_cache 2553KB 2558KB [ 39.966955] sighand_cache 240KB 346KB [ 39.972313] task_struct 10902KB 10902KB [ 39.977668] cred_jar 2365KB 2368KB [ 39.983028] anon_vma_chain 7871KB 7871KB [ 39.988414] anon_vma 143KB 331KB [ 39.993774] pid 229KB 244KB [ 39.999123] Acpi-Operand 106KB 170KB [ 40.004473] Acpi-Parse 0KB 3KB [ 40.009824] Acpi-State 0KB 7KB [ 40.015174] Acpi-Namespace 19KB 23KB [ 40.021224] numa_policy 0KB 3KB [ 40.026589] debug_objects_cache 521KB 524KB [ 40.032116] trace_event_file 149KB 151KB [ 40.037466] ftrace_event_field 261KB 263KB [ 40.043366] pool_workqueue 24KB 28KB [ 40.048722] page->ptl 3127KB 3130KB [ 40.054083] kmalloc-262144 1032KB 1032KB [ 40.059431] kmalloc-131072 650KB 650KB [ 40.064782] kmalloc-65536 264KB 264KB [ 40.070129] kmalloc-32768 825KB 825KB [ 40.075477] kmalloc-16384 181KB 181KB [ 40.080833] kmalloc-8192 519KB 519KB [ 40.086190] kmalloc-4096 6557KB 6587KB [ 40.091542] kmalloc-2048 3249KB 3251KB [ 40.096894] kmalloc-1024 3969KB 3969KB [ 40.102249] kmalloc-512 2781KB 2782KB [ 40.107601] kmalloc-256 1962KB 2490KB [ 40.112950] kmalloc-128 423KB 531KB [ 40.118300] kmalloc-96 304KB 412KB [ 40.123650] kmalloc-64 728KB 828KB [ 40.129020] kmalloc-32 1885KB 2197KB [ 40.134370] kmalloc-192 205KB 280KB [ 40.139722] kmem_cache 102KB 105KB [ 40.145073] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 40.153657] [ 1842] 0 1842 5385 174 86016 0 -1000 udevd [ 40.161802] [ 3379] 0 3379 2493 574 57344 0 0 dhclient [ 40.170193] [ 3532] 0 3532 14298 223 122880 0 0 rsyslogd [ 40.178603] [ 3587] 0 3587 4725 50 86016 0 0 cron [ 40.186658] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 40.195156] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 40.203225] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 40.211369] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 40.219512] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 40.227670] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 40.235824] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 40.243991] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 40.252141] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 40.260285] [ 3667] 0 3667 5681 454 86016 0 -1000 udevd [ 40.268431] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 40.276576] [ 3685] 0 3685 17821 196 184320 0 0 sshd [ 40.284635] [ 3687] 0 3687 281 1 32768 0 0 syzkaller025682 [ 40.293655] [ 3691] 0 3691 4376 1034 40960 0 0 syzkaller025682 [ 40.302674] [ 3692] 0 3692 4376 1034 40960 0 0 syzkaller025682 [ 40.311691] [ 3693] 0 3693 4376 1034 40960 0 0 syzkaller025682 [ 40.320703] [ 3694] 0 3694 4376 1034 40960 0 0 syzkaller025682 [ 40.329722] [ 3695] 0 3695 4376 1034 40960 0 0 syzkaller025682 [ 40.338736] [ 3697] 0 3697 1576 21 57344 0 -1000 modprobe [ 40.347143] Out of memory: Kill process 3691 (syzkaller025682) score 0 or sacrifice child [ 40.355538] Killed process 3691 (syzkaller025682) total-vm:17504kB, anon-rss:4136kB, file-rss:0kB, shmem-rss:0kB [ 40.367604] oom_reaper: reaped process 3691 (syzkaller025682), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 40.381212] syzkaller025682 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 40.394656] syzkaller025682 cpuset=/ mems_allowed=0 [ 40.399710] CPU: 1 PID: 3695 Comm: syzkaller025682 Not tainted 4.15.0-rc9+ #212 [ 40.407137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.416478] Call Trace: [ 40.419057] dump_stack+0x194/0x257 [ 40.422679] ? arch_local_irq_restore+0x53/0x53 [ 40.427341] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.432533] dump_header+0x28c/0xe1e [ 40.436251] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.441433] ? pagefault_out_of_memory+0x152/0x152 [ 40.446373] ? __lock_acquire+0x664/0x3e00 [ 40.450600] ? check_noncircular+0x20/0x20 [ 40.454833] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.460013] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.465190] ? print_irqtrace_events+0x270/0x270 [ 40.469949] ? check_noncircular+0x20/0x20 [ 40.474168] ? task_will_free_mem+0x252/0xaa0 [ 40.478662] ? print_irqtrace_events+0x270/0x270 [ 40.483417] ? ___ratelimit+0x30d/0x630 [ 40.487385] ? lock_downgrade+0x980/0x980 [ 40.491529] ? lock_release+0xa40/0xa40 [ 40.495503] ? mark_held_locks+0xaf/0x100 [ 40.499645] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 40.504738] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.509745] ? trace_hardirqs_on+0xd/0x10 [ 40.513889] ? ___ratelimit+0x95/0x630 [ 40.517768] ? idr_get_free_cmn+0xfd0/0xfd0 [ 40.522079] ? find_held_lock+0x138/0x1d0 [ 40.526228] oom_kill_process+0x8b5/0x14a0 [ 40.530454] ? lock_downgrade+0x980/0x980 [ 40.534591] ? lock_release+0xa40/0xa40 [ 40.538561] ? find_held_lock+0x35/0x1d0 [ 40.542614] ? oom_evaluate_task+0x480/0x480 [ 40.547014] ? oom_badness+0x21b/0x980 [ 40.550894] ? lock_downgrade+0x980/0x980 [ 40.555030] ? find_lock_task_mm+0x23b/0x460 [ 40.559438] ? task_will_free_mem+0xaa0/0xaa0 [ 40.563926] ? do_raw_spin_trylock+0x190/0x190 [ 40.568501] ? check_noncircular+0x20/0x20 [ 40.572728] ? oom_unkillable_task+0x394/0x4c0 [ 40.577303] ? _raw_spin_unlock+0x22/0x30 [ 40.581444] ? oom_badness+0xd1/0x980 [ 40.585234] ? lock_release+0xa40/0xa40 [ 40.589194] ? do_try_to_free_pages+0xc53/0x1020 [ 40.593942] ? find_lock_task_mm+0x460/0x460 [ 40.598349] ? find_held_lock+0x35/0x1d0 [ 40.602411] ? out_of_memory+0xb3a/0x1220 [ 40.606547] ? lock_downgrade+0x980/0x980 [ 40.610687] ? lock_release+0xa40/0xa40 [ 40.614649] ? lock_acquire+0x1d5/0x580 [ 40.618613] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 40.623546] ? oom_evaluate_task+0x284/0x480 [ 40.627950] out_of_memory+0x86d/0x1220 [ 40.631915] ? trace_hardirqs_on+0xd/0x10 [ 40.636061] ? oom_killer_disable+0x310/0x310 [ 40.640542] ? mutex_trylock+0x23a/0x2d0 [ 40.644593] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 40.650032] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.655926] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 40.660805] ? warn_alloc+0x2b0/0x2b0 [ 40.664590] ? trace_hardirqs_off+0xd/0x10 [ 40.668820] ? print_irqtrace_events+0x270/0x270 [ 40.673565] ? print_irqtrace_events+0x270/0x270 [ 40.678310] ? mark_held_locks+0xaf/0x100 [ 40.682447] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.686930] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.691934] ? trace_hardirqs_on+0xd/0x10 [ 40.696070] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.700551] ? finish_task_switch+0x1d3/0x740 [ 40.705031] ? finish_task_switch+0x1aa/0x740 [ 40.709526] ? retint_kernel+0x10/0x10 [ 40.713403] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.718411] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.723216] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.729105] ? __might_sleep+0x95/0x190 [ 40.733075] __alloc_pages_nodemask+0x9fb/0xd80 [ 40.737746] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 40.742750] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.747503] ? retint_kernel+0x10/0x10 [ 40.751390] ? __lock_is_held+0xb6/0x140 [ 40.755464] ? rcu_note_context_switch+0x710/0x710 [ 40.760392] alloc_pages_current+0xb6/0x1e0 [ 40.764708] __vmalloc_node_range+0x409/0x650 [ 40.769205] ? xt_alloc_table_info+0x64/0xe0 [ 40.773599] __vmalloc_node_flags_caller+0x50/0x60 [ 40.778513] ? xt_alloc_table_info+0x64/0xe0 [ 40.782916] kvmalloc_node+0x82/0xd0 [ 40.786621] xt_alloc_table_info+0x64/0xe0 [ 40.790847] do_ip6t_set_ctl+0x29b/0x5f0 [ 40.794902] ? translate_compat_table+0x1c50/0x1c50 [ 40.799928] ? mutex_unlock+0xd/0x10 [ 40.803630] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 40.808899] nf_setsockopt+0x67/0xc0 [ 40.812606] ipv6_setsockopt+0x115/0x150 [ 40.816660] udpv6_setsockopt+0x45/0x80 [ 40.820633] sock_common_setsockopt+0x95/0xd0 [ 40.825211] SyS_setsockopt+0x189/0x360 [ 40.829179] ? SyS_recv+0x40/0x40 [ 40.832627] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 40.837464] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.842472] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.847231] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 40.851968] RIP: 0033:0x441439 [ 40.855139] RSP: 002b:00007fff40e8e1f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 40.862835] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441439 [ 40.870087] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 40.877340] RBP: 31affa775212f497 R08: 00000000000003b8 R09: 0000000000000000 [ 40.884593] R10: 0000000020019c48 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 40.891850] R13: f604ce9cd855ec40 R14: ebfb5b6031634428 R15: 0000000000000000 [ 40.899290] Mem-Info: [ 40.906535] active_anon:6706 inactive_anon:62 isolated_anon:0 [ 40.906535] active_file:12 inactive_file:22 isolated_file:0 [ 40.906535] unevictable:0 dirty:0 writeback:0 unstable:0 [ 40.906535] slab_reclaimable:7457 slab_unreclaimable:82039 [ 40.906535] mapped:2 shmem:70 pagetables:313 bounce:0 [ 40.906535] free:24270 free_pcp:37 free_cma:0 [ 40.939411] Node 0 active_anon:26824kB inactive_anon:248kB active_file:48kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 40.967156] 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 [ 40.978991] syzkaller025682: vmalloc: allocation failure, allocated 1320779776 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 40.978996] syzkaller025682 cpuset=/ mems_allowed=0 [ 40.979031] CPU: 0 PID: 3691 Comm: syzkaller025682 Not tainted 4.15.0-rc9+ #212 [ 40.979035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.979037] Call Trace: [ 40.979053] dump_stack+0x194/0x257 [ 40.979066] ? arch_local_irq_restore+0x53/0x53 [ 40.979072] ? idr_get_free_cmn+0xfd0/0xfd0 [ 40.979084] ? mark_held_locks+0xaf/0x100 [ 40.979104] warn_alloc+0x19a/0x2b0 [ 40.979117] ? zone_watermark_ok_safe+0x400/0x400 [ 40.979141] ? rcu_note_context_switch+0x710/0x710 [ 40.979169] __vmalloc_node_range+0x482/0x650 [ 40.979191] ? xt_alloc_table_info+0x64/0xe0 [ 40.979200] __vmalloc_node_flags_caller+0x50/0x60 [ 40.979209] ? xt_alloc_table_info+0x64/0xe0 [ 40.979222] kvmalloc_node+0x82/0xd0 [ 40.979234] xt_alloc_table_info+0x64/0xe0 [ 40.979247] do_ip6t_set_ctl+0x29b/0x5f0 [ 40.979261] ? translate_compat_table+0x1c50/0x1c50 [ 40.979288] ? mutex_unlock+0xd/0x10 [ 40.979296] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 40.979310] nf_setsockopt+0x67/0xc0 [ 40.979324] ipv6_setsockopt+0x115/0x150 [ 40.979337] udpv6_setsockopt+0x45/0x80 [ 40.979353] sock_common_setsockopt+0x95/0xd0 [ 40.979368] SyS_setsockopt+0x189/0x360 [ 40.979383] ? SyS_recv+0x40/0x40 [ 40.979393] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 40.979404] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.979415] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.979434] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 40.979440] RIP: 0033:0x441439 [ 40.979443] RSP: 002b:00007fff40e8e1f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 40.979450] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441439 [ 40.979454] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 40.979458] RBP: 31affa775212f497 R08: 00000000000003b8 R09: 0000000000000000 [ 40.979463] R10: 0000000020019c48 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 40.979467] R13: f604ce9cd855ec40 R14: ebfb5b6031634428 R15: 0000000000000000 [ 40.979496] Mem-Info: [ 40.979512] active_anon:6706 inactive_anon:62 isolated_anon:0 [ 40.979512] active_file:12 inactive_file:22 isolated_file:0 [ 40.979512] unevictable:0 dirty:0 writeback:0 unstable:0 [ 40.979512] slab_reclaimable:7457 slab_unreclaimable:82039 [ 40.979512] mapped:2 shmem:70 pagetables:313 bounce:0 [ 40.979512] free:15752 free_pcp:60 free_cma:0 [ 40.979525] Node 0 active_anon:26824kB inactive_anon:248kB active_file:48kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 40.979527] 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 [ 40.979542] lowmem_reserve[]: 0 2868 6378 6378 [ 40.979555] Node 0 DMA32 free:28648kB min:30320kB low:37900kB high:45480kB active_anon:256kB inactive_anon:0kB active_file:20kB inactive_file:24kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:36kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 40.979570] lowmem_reserve[]: 0 0 3510 3510 [ 40.979582] Node 0 Normal free:18452kB min:37096kB low:46368kB high:55640kB active_anon:26568kB inactive_anon:248kB active_file:28kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3008kB pagetables:1216kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 40.979598] lowmem_reserve[]: 0 0 0 0 [ 40.979609] 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 [ 40.979661] Node 0 DMA32: 18*4kB (UME) 20*8kB (UM) 18*16kB (UME) 7*32kB (UME) 4*64kB (UME) 4*128kB (UM) 4*256kB (ME) 1*512kB (E) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 28648kB [ 40.979718] Node 0 Normal: 403*4kB (UME) 316*8kB (UME) 208*16kB (ME) 111*32kB (ME) 54*64kB (UM) 18*128kB (UM) 7*256kB (UME) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18572kB [ 40.979775] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 40.979778] 104 total pagecache pages [ 40.979785] 0 pages in swap cache [ 40.979789] Swap cache stats: add 0, delete 0, find 0/0 [ 40.979792] Free swap = 0kB [ 40.979794] Total swap = 0kB [ 40.979797] 1965979 pages RAM [ 40.979799] 0 pages HighMem/MovableOnly [ 40.979802] 328415 pages reserved [ 41.609081] lowmem_reserve[]: 0 2868 6378 6378 [ 41.617070] Node 0 DMA32 free:28648kB min:30320kB low:37900kB high:45480kB active_anon:256kB inactive_anon:0kB active_file:20kB inactive_file:24kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:36kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 41.713083] lowmem_reserve[]: 0 0 3510 3510 [ 41.733076] Node 0 Normal free:133068kB min:37096kB low:46368kB high:55640kB active_anon:26568kB inactive_anon:248kB active_file:28kB inactive_file:664kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3008kB pagetables:1216kB bounce:0kB free_pcp:924kB local_pcp:212kB free_cma:0kB [ 41.846073] lowmem_reserve[]: 0 0 0 0 [ 41.862083] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 41.919079] Node 0 DMA32: 22*4kB (UME) 22*8kB (UM) 928*16kB (UME) 2147*32kB (UME) 1941*64kB (UME) 10*128kB (UM) 6*256kB (UME) 1*512kB (E) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 236968kB [ 41.988075] Node 0 Normal: 219*4kB (UM) 317*8kB (UM) 210*16kB (UM) 112*32kB (UM) 60*64kB (UME) 45*128kB (UME) 29*256kB (UME) 26*512kB (U) 6*1024kB (U) 0*2048kB 0*4096kB = 46836kB [ 42.052078] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.088074] 287 total pagecache pages [ 42.104076] 0 pages in swap cache [ 42.120073] Swap cache stats: add 0, delete 0, find 0/0 [ 42.137073] Free swap = 0kB [ 42.153071] Total swap = 0kB [ 42.165091] 1965979 pages RAM [ 42.177072] 0 pages HighMem/MovableOnly [ 42.193073] 328415 pages reserved [ 42.205070] Unreclaimable slab info: [ 42.221072] Name Used Total [ 42.243802] hashtab_node 118KB 119KB [ 42.255055] ebitmap_node 397KB 401KB [ 42.266052] avtab_node 1012KB 1013KB [ 42.280102] TIPC 1KB 7KB [ 42.290049] SCTPv6 2KB 4KB [ 42.300054] DCCPv6 2KB 7KB [ 42.310048] DCCP 2KB 6KB [ 42.320065] fib6_nodes 0KB 4KB [ 42.331050] ip6_dst_cache 5KB 7KB [ 42.342054] RAWv6 9KB 13KB [ 42.354088] UDPv6 26KB 28KB [ 42.354320] modprobe (3697) used greatest stack depth: 14848 bytes left [ 42.378081] TCPv6 2KB 5KB [ 42.391140] sd_ext_cdb 0KB 3KB [ 42.404049] scsi_sense_cache 132KB 152KB [ 42.409472] virtio_scsi_cmd 16KB 16KB [ 42.423082] sgpool-128 8KB 8KB [ 42.436083] sgpool-64 4KB 6KB [ 42.444998] sgpool-32 118KB 118KB [ 42.450401] sgpool-16 31KB 33KB [ 42.455901] sgpool-8 270KB 270KB [ 42.462059] cfq_io_cq 19KB 19KB [ 42.469849] cfq_queue 29KB 30KB [ 42.477544] mqueue_inode_cache 1KB 7KB [ 42.483261] nfs_commit_data 3KB 7KB [ 42.488779] nfs_write_data 34KB 37KB [ 42.494284] jbd2_inode 1KB 3KB [ 42.499870] ext4_system_zone 0KB 3KB [ 42.505811] bio-1 1KB 3KB [ 42.511322] rpc_buffers 17KB 19KB [ 42.516929] rpc_tasks 2KB 3KB [ 42.522503] UNIX 780KB 784KB [ 42.528132] tcp_bind_bucket 0KB 4KB [ 42.533642] ip_fib_trie 0KB 3KB [ 42.539141] ip_fib_alias 0KB 3KB [ 42.545830] ip_dst_cache 3KB 4KB [ 42.564320] RAW 5KB 7KB [ 42.569823] UDP 31KB 39KB [ 42.586790] request_sock_TCP 0KB 3KB [ 42.592193] TCP 7KB 15KB [ 42.598534] hugetlbfs_inode_cache 1KB 7KB [ 42.610784] eventpoll_pwq 10KB 15KB [ 42.616171] eventpoll_epi 18KB 27KB [ 42.621549] inotify_inode_mark 3KB 11KB [ 42.627034] request_queue 36KB 90KB [ 42.633218] blkdev_ioc 22KB 23KB [ 42.638600] bio-0 416KB 416KB [ 42.643978] biovec-(1<<(21-12)) 577KB 577KB [ 42.649529] biovec-64 204KB 204KB [ 42.654909] biovec-16 26KB 26KB [ 42.660284] bio_integrity_payload 0KB 4KB [ 42.666031] khugepaged_mm_slot 0KB 3KB [ 42.677318] uid_cache 0KB 3KB [ 42.682712] dmaengine-unmap-2 0KB 3KB [ 42.688091] audit_buffer 0KB 3KB [ 42.693472] skbuff_fclone_cache 147KB 150KB [ 42.699051] skbuff_head_cache 1793KB 1796KB [ 42.704428] configfs_dir_cache 0KB 4KB [ 42.709893] file_lock_cache 164KB 166KB [ 42.715277] file_lock_ctx 1KB 3KB [ 42.720709] fsnotify_mark_connector 2KB 7KB [ 42.726608] shmem_inode_cache 1053KB 1054KB [ 42.731990] task_delay_info 321KB 324KB [ 42.737373] sigqueue 368KB 374KB [ 42.742751] kernfs_node_cache 2308KB 2311KB [ 42.748128] mnt_cache 15KB 20KB [ 42.753598] filp 8324KB 8767KB [ 42.758978] names_cache 110007KB 110011KB [ 42.765159] avc_node 37KB 43KB [ 42.770537] selinux_file_security 424KB 492KB [ 42.776264] selinux_inode_security 1982KB 1984KB [ 42.782073] key_jar 3KB 7KB [ 42.792202] nsproxy 0KB 3KB [ 42.803778] vm_area_struct 18767KB 18767KB [ 42.809166] mm_struct 4550KB 4554KB [ 42.822433] fs_cache 428KB 432KB [ 42.834212] files_cache 1605KB 1605KB [ 42.839599] signal_cache 2558KB 2558KB [ 42.844984] sighand_cache 228KB 346KB [ 42.850369] task_struct 10902KB 10902KB [ 42.855749] cred_jar 2365KB 2368KB [ 42.861128] anon_vma_chain 7882KB 7882KB [ 42.866503] anon_vma 142KB 331KB [ 42.871881] pid 225KB 244KB [ 42.877256] Acpi-Operand 106KB 170KB [ 42.882638] Acpi-Parse 0KB 3KB [ 42.888037] Acpi-State 0KB 7KB [ 42.893413] Acpi-Namespace 19KB 23KB [ 42.899581] numa_policy 0KB 3KB [ 42.904969] debug_objects_cache 520KB 524KB [ 42.910529] trace_event_file 149KB 151KB [ 42.915907] ftrace_event_field 261KB 263KB [ 42.921370] pool_workqueue 24KB 28KB [ 42.926752] page->ptl 3127KB 3130KB [ 42.932151] kmalloc-262144 1032KB 1032KB [ 42.937528] kmalloc-131072 650KB 650KB [ 42.942908] kmalloc-65536 264KB 264KB [ 42.948285] kmalloc-32768 825KB 825KB [ 42.953664] kmalloc-16384 181KB 181KB [ 42.959080] kmalloc-8192 519KB 519KB [ 42.964922] kmalloc-4096 6285KB 6307KB [ 42.970295] kmalloc-2048 3249KB 3251KB [ 42.975660] kmalloc-1024 4181KB 4181KB [ 42.981041] kmalloc-512 2786KB 2786KB [ 42.986404] kmalloc-256 1962KB 2490KB [ 42.991761] kmalloc-128 423KB 531KB [ 42.997117] kmalloc-96 311KB 412KB [ 43.002482] kmalloc-64 725KB 828KB [ 43.007836] kmalloc-32 1884KB 2197KB [ 43.013190] kmalloc-192 205KB 280KB [ 43.018551] kmem_cache 102KB 105KB [ 43.023909] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 43.032936] [ 1842] 0 1842 5385 175 86016 0 -1000 udevd [ 43.041100] [ 3379] 0 3379 2493 574 57344 0 0 dhclient [ 43.049508] [ 3532] 0 3532 14298 223 122880 0 0 rsyslogd [ 43.057902] [ 3587] 0 3587 4725 50 86016 0 0 cron [ 43.065947] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 43.074468] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 43.082543] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 43.091027] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 43.099160] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 43.107297] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 43.115438] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 43.123578] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 43.131715] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 43.139850] [ 3667] 0 3667 5681 455 86016 0 -1000 udevd [ 43.147995] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 43.156138] [ 3685] 0 3685 17821 196 184320 0 0 sshd [ 43.164208] [ 3687] 0 3687 281 1 32768 0 0 syzkaller025682 [ 43.173228] [ 3692] 0 3692 4376 1034 40960 0 0 syzkaller025682 [ 43.182247] [ 3693] 0 3693 4376 1034 40960 0 0 syzkaller025682 [ 43.191268] [ 3694] 0 3694 4376 1034 40960 0 0 syzkaller025682 [ 43.200287] [ 3695] 0 3695 4376 1034 40960 0 0 syzkaller025682 [ 43.209302] [ 3698] 0 3698 5681 454 86016 0 -1000 udevd [ 43.217450] Out of memory: Kill process 3692 (syzkaller025682) score 0 or sacrifice child [ 43.225828] Killed process 3692 (syzkaller025682) total-vm:17504kB, anon-rss:4136kB, file-rss:0kB, shmem-rss:0kB [ 43.238991] oom_reaper: reaped process 3692 (syzkaller025682), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.423403] syzkaller025682 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 43.436893] syzkaller025682 cpuset=/ mems_allowed=0 [ 43.441914] CPU: 0 PID: 3692 Comm: syzkaller025682 Not tainted 4.15.0-rc9+ #212 [ 43.449331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.458655] Call Trace: [ 43.461217] dump_stack+0x194/0x257 [ 43.464818] ? arch_local_irq_restore+0x53/0x53 [ 43.469458] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.474626] dump_header+0x28c/0xe1e [ 43.478316] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.483481] ? pagefault_out_of_memory+0x152/0x152 [ 43.488394] ? __lock_acquire+0x664/0x3e00 [ 43.492612] ? check_noncircular+0x20/0x20 [ 43.496821] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.501981] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.507140] ? print_irqtrace_events+0x270/0x270 [ 43.511872] ? check_noncircular+0x20/0x20 [ 43.516086] ? task_will_free_mem+0x252/0xaa0 [ 43.520565] ? print_irqtrace_events+0x270/0x270 [ 43.525300] ? ___ratelimit+0x30d/0x630 [ 43.529252] ? lock_downgrade+0x980/0x980 [ 43.533373] ? lock_release+0xa40/0xa40 [ 43.537322] ? mark_held_locks+0xaf/0x100 [ 43.541443] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 43.546519] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.551506] ? trace_hardirqs_on+0xd/0x10 [ 43.555629] ? ___ratelimit+0x95/0x630 [ 43.559490] ? idr_get_free_cmn+0xfd0/0xfd0 [ 43.563785] ? find_held_lock+0x138/0x1d0 [ 43.567919] oom_kill_process+0x8b5/0x14a0 [ 43.572133] ? lock_downgrade+0x980/0x980 [ 43.576251] ? lock_release+0xa40/0xa40 [ 43.580199] ? find_held_lock+0x35/0x1d0 [ 43.584229] ? oom_evaluate_task+0x480/0x480 [ 43.588618] ? oom_badness+0x21b/0x980 [ 43.592481] ? lock_downgrade+0x980/0x980 [ 43.596601] ? find_lock_task_mm+0x23b/0x460 [ 43.600982] ? task_will_free_mem+0xaa0/0xaa0 [ 43.605451] ? do_raw_spin_trylock+0x190/0x190 [ 43.610003] ? check_noncircular+0x20/0x20 [ 43.614210] ? oom_unkillable_task+0x394/0x4c0 [ 43.618764] ? _raw_spin_unlock+0x22/0x30 [ 43.622882] ? oom_badness+0xd1/0x980 [ 43.626653] ? lock_release+0xa40/0xa40 [ 43.630600] ? find_lock_task_mm+0x460/0x460 [ 43.634982] ? find_held_lock+0x35/0x1d0 [ 43.639027] ? out_of_memory+0xb3a/0x1220 [ 43.643154] ? lock_downgrade+0x980/0x980 [ 43.647275] ? lock_release+0xa40/0xa40 [ 43.651218] ? lock_acquire+0x1d5/0x580 [ 43.655173] ? blocking_notifier_call_chain+0x112/0x190 [ 43.660515] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 43.665422] ? oom_evaluate_task+0x284/0x480 [ 43.669815] out_of_memory+0x86d/0x1220 [ 43.673779] ? find_next_bit+0x27/0x30 [ 43.677645] ? oom_killer_disable+0x310/0x310 [ 43.682112] ? mutex_trylock+0x23a/0x2d0 [ 43.686147] ? __lock_is_held+0xb6/0x140 [ 43.690180] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.695614] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 43.700453] ? warn_alloc+0x2b0/0x2b0 [ 43.704227] ? print_irqtrace_events+0x270/0x270 [ 43.708953] ? print_irqtrace_events+0x270/0x270 [ 43.713682] ? print_irqtrace_events+0x270/0x270 [ 43.718410] ? check_noncircular+0x20/0x20 [ 43.722620] ? switched_to_fair+0xb0/0xb0 [ 43.726753] ? retint_kernel+0x10/0x10 [ 43.730613] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.735605] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.740350] ? __lock_is_held+0xb6/0x140 [ 43.744408] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.750276] ? __might_sleep+0x95/0x190 [ 43.754229] __alloc_pages_nodemask+0x9fb/0xd80 [ 43.758875] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 43.763862] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.768598] ? retint_kernel+0x10/0x10 [ 43.772464] ? __lock_is_held+0xb6/0x140 [ 43.776511] ? rcu_note_context_switch+0x710/0x710 [ 43.781420] alloc_pages_current+0xb6/0x1e0 [ 43.785722] __vmalloc_node_range+0x409/0x650 [ 43.790197] ? xt_alloc_table_info+0x64/0xe0 [ 43.794577] __vmalloc_node_flags_caller+0x50/0x60 [ 43.799477] ? xt_alloc_table_info+0x64/0xe0 [ 43.803867] kvmalloc_node+0x82/0xd0 [ 43.807556] xt_alloc_table_info+0x64/0xe0 [ 43.811765] do_ip6t_set_ctl+0x29b/0x5f0 [ 43.815802] ? translate_compat_table+0x1c50/0x1c50 [ 43.820801] ? mutex_unlock+0xd/0x10 [ 43.824487] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 43.829738] nf_setsockopt+0x67/0xc0 [ 43.833425] ipv6_setsockopt+0x115/0x150 [ 43.837463] udpv6_setsockopt+0x45/0x80 [ 43.841432] sock_common_setsockopt+0x95/0xd0 [ 43.845903] SyS_setsockopt+0x189/0x360 [ 43.849855] ? SyS_recv+0x40/0x40 [ 43.853292] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 43.858112] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.863104] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.867837] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 43.872563] RIP: 0033:0x441439 [ 43.875724] RSP: 002b:00007fff40e8e1f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 43.883403] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441439 [ 43.890644] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 43.898060] RBP: 31affa775212f497 R08: 00000000000003b8 R09: 0000000000000000 [ 43.905303] R10: 0000000020019c48 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 43.912543] R13: f604ce9cd855ec40 R14: ebfb5b6031634428 R15: 0000000000000000 [ 43.919944] Mem-Info: [ 43.922810] active_anon:5660 inactive_anon:62 isolated_anon:0 [ 43.922810] active_file:1 inactive_file:14 isolated_file:15 [ 43.922810] unevictable:0 dirty:0 writeback:0 unstable:0 [ 43.922810] slab_reclaimable:7479 slab_unreclaimable:81742 [ 43.922810] mapped:2 shmem:70 pagetables:313 bounce:0 [ 43.922810] free:15633 free_pcp:9 free_cma:0 [ 43.954785] Node 0 active_anon:22640kB inactive_anon:248kB active_file:104kB 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: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 43.981609] 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 [ 44.007754] lowmem_reserve[]: 0 2868 6378 6378 [ 44.012367] Node 0 DMA32 free:28940kB min:30320kB low:37900kB high:45480kB active_anon:184kB inactive_anon:0kB active_file:24kB inactive_file:24kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:32kB pagetables:60kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.040068] lowmem_reserve[]: 0 0 3510 3510 [ 44.044416] Node 0 Normal free:17708kB min:37096kB low:46368kB high:55640kB active_anon:22456kB inactive_anon:248kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2944kB pagetables:1192kB bounce:0kB free_pcp:44kB local_pcp:0kB free_cma:0kB [ 44.073826] lowmem_reserve[]: 0 0 0 0 [ 44.077678] 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 [ 44.091300] Node 0 DMA32: 17*4kB (UME) 11*8kB (UM) 15*16kB (UME) 12*32kB (ME) 4*64kB (ME) 6*128kB (ME) 4*256kB (M) 3*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 28940kB [ 44.107681] Node 0 Normal: 381*4kB (UM) 323*8kB (UM) 206*16kB (UM) 108*32kB (UM) 55*64kB (UM) 18*128kB (UM) 4*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17708kB [ 44.122710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.131298] 105 total pagecache pages [ 44.135123] 0 pages in swap cache [ 44.138671] Swap cache stats: add 0, delete 0, find 0/0 [ 44.144043] Free swap = 0kB [ 44.147076] Total swap = 0kB [ 44.150104] 1965979 pages RAM [ 44.153204] 0 pages HighMem/MovableOnly [ 44.157178] 328415 pages reserved [ 44.160629] Unreclaimable slab info: [ 44.164345] Name Used Total [ 44.169886] hashtab_node 118KB 119KB [ 44.175257] ebitmap_node 397KB 401KB [ 44.180625] avtab_node 1012KB 1013KB [ 44.186008] TIPC 1KB 7KB [ 44.191418] SCTPv6 2KB 4KB [ 44.196791] DCCPv6 2KB 7KB [ 44.202941] DCCP 2KB 6KB [ 44.208336] fib6_nodes 0KB 4KB [ 44.213712] ip6_dst_cache 7KB 7KB [ 44.219098] RAWv6 9KB 13KB [ 44.224483] UDPv6 26KB 28KB [ 44.229856] TCPv6 2KB 5KB [ 44.235251] sd_ext_cdb 0KB 3KB [ 44.240618] scsi_sense_cache 139KB 152KB [ 44.245990] virtio_scsi_cmd 16KB 16KB [ 44.251379] sgpool-128 8KB 8KB [ 44.256763] sgpool-64 4KB 6KB [ 44.262130] sgpool-32 118KB 118KB [ 44.268919] sgpool-16 33KB 33KB [ 44.275111] sgpool-8 285KB 285KB [ 44.280508] cfq_io_cq 19KB 19KB [ 44.285890] cfq_queue 29KB 30KB [ 44.291259] mqueue_inode_cache 1KB 7KB [ 44.296720] nfs_commit_data 3KB 7KB [ 44.302083] nfs_write_data 34KB 37KB [ 44.307458] jbd2_inode 1KB 3KB [ 44.312825] ext4_system_zone 0KB 3KB [ 44.318207] bio-1 1KB 3KB [ 44.323648] rpc_buffers 17KB 19KB [ 44.329056] rpc_tasks 2KB 3KB [ 44.334460] UNIX 780KB 784KB [ 44.340641] tcp_bind_bucket 0KB 4KB [ 44.346043] ip_fib_trie 0KB 3KB [ 44.351423] ip_fib_alias 0KB 3KB [ 44.356785] ip_dst_cache 3KB 4KB [ 44.362158] RAW 5KB 7KB [ 44.367545] UDP 31KB 39KB [ 44.372916] TCP 7KB 15KB [ 44.378401] hugetlbfs_inode_cache 1KB 7KB [ 44.385112] eventpoll_pwq 10KB 15KB [ 44.390505] eventpoll_epi 18KB 27KB [ 44.395911] inotify_inode_mark 3KB 11KB [ 44.401408] request_queue 33KB 67KB [ 44.406794] blkdev_ioc 22KB 23KB [ 44.412174] bio-0 420KB 420KB [ 44.417554] biovec-(1<<(21-12)) 577KB 577KB [ 44.423199] biovec-64 204KB 204KB [ 44.428576] biovec-16 26KB 26KB [ 44.433959] bio_integrity_payload 0KB 4KB [ 44.439688] khugepaged_mm_slot 0KB 3KB [ 44.445143] uid_cache 0KB 3KB [ 44.450518] dmaengine-unmap-2 0KB 3KB [ 44.455900] audit_buffer 0KB 3KB [ 44.461279] skbuff_fclone_cache 147KB 150KB [ 44.466856] skbuff_head_cache 1796KB 1796KB [ 44.473032] configfs_dir_cache 0KB 4KB [ 44.478503] file_lock_cache 164KB 166KB [ 44.483875] file_lock_ctx 1KB 3KB [ 44.489246] fsnotify_mark_connector 2KB 7KB [ 44.495141] shmem_inode_cache 1053KB 1054KB [ 44.500518] task_delay_info 321KB 324KB [ 44.505902] sigqueue 368KB 374KB [ 44.511282] kernfs_node_cache 2308KB 2311KB [ 44.516664] mnt_cache 15KB 20KB [ 44.522040] filp 8296KB 8752KB [ 44.527421] names_cache 110007KB 110011KB [ 44.532820] avc_node 37KB 43KB [ 44.538198] selinux_file_security 421KB 492KB [ 44.543928] selinux_inode_security 1982KB 1984KB [ 44.549818] key_jar 3KB 7KB [ 44.555179] nsproxy 0KB 3KB [ 44.560553] vm_area_struct 18766KB 18767KB [ 44.565918] mm_struct 4550KB 4554KB [ 44.571280] fs_cache 428KB 432KB [ 44.576646] files_cache 1605KB 1605KB [ 44.582008] signal_cache 2558KB 2558KB [ 44.587409] sighand_cache 228KB 346KB [ 44.592772] task_struct 10902KB 10902KB [ 44.598151] cred_jar 2365KB 2368KB [ 44.603950] anon_vma_chain 7882KB 7882KB [ 44.609308] anon_vma 138KB 327KB [ 44.614665] pid 225KB 244KB [ 44.620037] Acpi-Operand 106KB 170KB [ 44.625414] Acpi-State 0KB 3KB [ 44.630775] Acpi-Namespace 19KB 23KB [ 44.636146] numa_policy 0KB 3KB [ 44.641514] debug_objects_cache 520KB 524KB [ 44.647059] trace_event_file 149KB 151KB [ 44.652439] ftrace_event_field 261KB 263KB [ 44.657890] pool_workqueue 24KB 28KB [ 44.663268] page->ptl 3127KB 3130KB [ 44.668672] kmalloc-262144 1032KB 1032KB [ 44.674044] kmalloc-131072 650KB 650KB [ 44.679414] kmalloc-65536 264KB 264KB [ 44.684795] kmalloc-32768 825KB 825KB [ 44.690160] kmalloc-16384 181KB 181KB [ 44.695535] kmalloc-8192 519KB 519KB [ 44.700913] kmalloc-4096 6281KB 6307KB [ 44.706276] kmalloc-2048 3249KB 3251KB [ 44.711646] kmalloc-1024 4181KB 4181KB [ 44.717033] kmalloc-512 2786KB 2786KB [ 44.722414] kmalloc-256 1948KB 2478KB [ 44.727781] kmalloc-128 423KB 531KB [ 44.733152] kmalloc-96 311KB 412KB [ 44.738935] kmalloc-64 725KB 828KB [ 44.744314] kmalloc-32 1878KB 2197KB [ 44.749764] kmalloc-192 205KB 280KB [ 44.755134] kmem_cache 102KB 105KB [ 44.760508] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 44.769414] [ 1842] 0 1842 5385 175 86016 0 -1000 udevd [ 44.777591] [ 3379] 0 3379 2493 574 57344 0 0 dhclient [ 44.786006] [ 3532] 0 3532 14298 223 122880 0 0 rsyslogd [ 44.794427] [ 3587] 0 3587 4725 50 86016 0 0 cron [ 44.802499] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 44.810995] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 44.819078] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 44.827244] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 44.835410] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 44.843580] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 44.851745] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 44.859898] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 44.868052] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 44.876240] [ 3667] 0 3667 5681 455 86016 0 -1000 udevd [ 44.884408] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 44.892579] [ 3685] 0 3685 17821 196 184320 0 0 sshd [ 44.900661] [ 3687] 0 3687 281 1 32768 0 0 syzkaller025682 [ 44.909711] [ 3692] 0 3692 4376 0 32768 0 0 syzkaller025682 [ 44.918733] [ 3693] 0 3693 4376 1034 40960 0 0 syzkaller025682 [ 44.927767] [ 3694] 0 3694 4376 1034 40960 0 0 syzkaller025682 [ 44.936810] [ 3695] 0 3695 4376 1034 40960 0 0 syzkaller025682 [ 44.945833] [ 3698] 0 3698 5681 454 86016 0 -1000 udevd [ 44.953996] Out of memory: Kill process 3693 (syzkaller025682) score 0 or sacrifice child [ 44.963129] Killed process 3693 (syzkaller025682) total-vm:17504kB, anon-rss:4136kB, file-rss:0kB, shmem-rss:0kB [ 44.973536] syzkaller025682: vmalloc: allocation failure, allocated 1863024640 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 44.974627] oom_reaper: reaped process 3693 (syzkaller025682), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 44.975565] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 44.975589] init cpuset=/ mems_allowed=0 [ 44.975664] CPU: 1 PID: 1 Comm: init Not tainted 4.15.0-rc9+ #212 [ 44.975668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.975671] Call Trace: [ 44.975684] dump_stack+0x194/0x257 [ 44.975698] ? arch_local_irq_restore+0x53/0x53 [ 44.975710] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.975731] dump_header+0x28c/0xe1e [ 44.975749] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.975762] ? pagefault_out_of_memory+0x152/0x152 [ 44.975788] ? __lock_acquire+0x664/0x3e00 [ 44.975801] ? check_noncircular+0x20/0x20 [ 44.975816] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.975824] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.975830] ? print_irqtrace_events+0x270/0x270 [ 44.975849] ? check_noncircular+0x20/0x20 [ 44.975856] ? task_will_free_mem+0x252/0xaa0 [ 44.975873] ? print_irqtrace_events+0x270/0x270 [ 44.975892] ? ___ratelimit+0x30d/0x630 [ 44.975901] ? lock_downgrade+0x980/0x980 [ 44.975916] ? lock_release+0xa40/0xa40 [ 44.975936] ? mark_held_locks+0xaf/0x100 [ 44.975947] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 44.975959] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.975969] ? trace_hardirqs_on+0xd/0x10 [ 44.975981] ? ___ratelimit+0x95/0x630 [ 44.975993] ? idr_get_free_cmn+0xfd0/0xfd0 [ 44.976006] ? find_held_lock+0x138/0x1d0 [ 44.976026] oom_kill_process+0x8b5/0x14a0 [ 44.976036] ? lock_downgrade+0x980/0x980 [ 44.976046] ? lock_release+0xa40/0xa40 [ 44.976060] ? find_held_lock+0x35/0x1d0 [ 44.976070] ? oom_evaluate_task+0x480/0x480 [ 44.976084] ? oom_badness+0x21b/0x980 [ 44.976094] ? lock_downgrade+0x980/0x980 [ 44.976104] ? find_lock_task_mm+0x23b/0x460 [ 44.976118] ? task_will_free_mem+0xaa0/0xaa0 [ 44.976130] ? do_raw_spin_trylock+0x190/0x190 [ 44.976140] ? check_noncircular+0x20/0x20 [ 44.976151] ? oom_unkillable_task+0x394/0x4c0 [ 44.976164] ? _raw_spin_unlock+0x22/0x30 [ 44.976172] ? oom_badness+0xd1/0x980 [ 44.976178] ? lock_release+0xa40/0xa40 [ 44.976185] ? do_try_to_free_pages+0xc53/0x1020 [ 44.976197] ? find_lock_task_mm+0x460/0x460 [ 44.976213] ? find_held_lock+0x35/0x1d0 [ 44.976233] ? out_of_memory+0xb3a/0x1220 [ 44.976243] ? lock_downgrade+0x980/0x980 [ 44.976256] ? lock_release+0xa40/0xa40 [ 44.976262] ? lock_acquire+0x1d5/0x580 [ 44.976271] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 44.976291] ? oom_evaluate_task+0x284/0x480 [ 44.976307] out_of_memory+0x86d/0x1220 [ 44.976328] ? oom_killer_disable+0x310/0x310 [ 44.976333] ? mutex_trylock+0x23a/0x2d0 [ 44.976343] ? __lock_is_held+0xb6/0x140 [ 44.976352] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 44.976377] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 44.976397] ? trace_hardirqs_on+0xd/0x10 [ 44.976432] ? warn_alloc+0x2b0/0x2b0 [ 44.976440] ? lock_downgrade+0x980/0x980 [ 44.976462] ? radix_tree_lookup_slot+0x99/0xe0 [ 44.976492] ? find_get_entry+0x53c/0x9e0 [ 44.976499] ? print_irqtrace_events+0x270/0x270 [ 44.976523] ? switched_to_fair+0xb0/0xb0 [ 44.976542] ? __lock_acquire+0x664/0x3e00 [ 44.976570] ? __lock_is_held+0xb6/0x140 [ 44.976600] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.976623] ? __might_sleep+0x95/0x190 [ 44.976638] __alloc_pages_nodemask+0x9fb/0xd80 [ 44.976657] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 44.976666] ? add_to_page_cache_lru+0x510/0x510 [ 44.976685] ? check_noncircular+0x20/0x20 [ 44.976692] ? check_noncircular+0x20/0x20 [ 44.976703] ? find_held_lock+0x35/0x1d0 [ 44.976715] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 44.976752] alloc_pages_current+0xb6/0x1e0 [ 44.976768] __page_cache_alloc+0x334/0x500 [ 44.976777] ? rcu_read_lock_held+0xa9/0xc0 [ 44.976790] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 44.976814] filemap_fault+0xefc/0x1c20 [ 44.976822] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.976845] ? __lock_page_or_retry+0x4f0/0x4f0 [ 44.976851] ? lock_downgrade+0x980/0x980 [ 44.976869] ? filemap_map_pages+0x942/0x15d0 [ 44.976887] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 44.976901] ? find_get_entries_tag+0xeb0/0xeb0 [ 44.976909] ? print_irqtrace_events+0x270/0x270 [ 44.976921] ? remove_wait_queue+0x1b4/0x350 [ 44.976936] ? check_noncircular+0x20/0x20 [ 44.976943] ? print_irqtrace_events+0x270/0x270 [ 44.976949] ? add_wait_queue+0x290/0x290 [ 44.976963] ? print_irqtrace_events+0x270/0x270 [ 44.976970] ? print_irqtrace_events+0x270/0x270 [ 44.976978] ? fput+0xd2/0x140 [ 44.976995] ? print_irqtrace_events+0x270/0x270 [ 44.977015] ? lock_acquire+0x1d5/0x580 [ 44.977021] ? lock_acquire+0x1d5/0x580 [ 44.977029] ? ext4_filemap_fault+0x7a/0xad [ 44.977040] ? __lock_acquire+0x664/0x3e00 [ 44.977052] ? lock_release+0xa40/0xa40 [ 44.977060] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.977073] ? rcu_note_context_switch+0x710/0x710 [ 44.977089] ? __might_sleep+0x95/0x190 [ 44.977102] ? down_read+0x96/0x150 [ 44.977108] ? ext4_filemap_fault+0x7a/0xad [ 44.977116] ? __down_interruptible+0x6b0/0x6b0 [ 44.977123] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.977133] ? depot_save_stack+0x12c/0x490 [ 44.977153] ext4_filemap_fault+0x82/0xad [ 44.977164] __do_fault+0xeb/0x30f [ 44.977177] ? pte_offset_kernel+0xc7/0xc7 [ 44.977183] ? set_fd_set.part.0+0x70/0x70 [ 44.977192] ? check_noncircular+0x20/0x20 [ 44.977209] ? check_noncircular+0x20/0x20 [ 44.977227] __handle_mm_fault+0x1d8f/0x3ce0 [ 44.977244] ? __pmd_alloc+0x4e0/0x4e0 [ 44.977251] ? find_held_lock+0x35/0x1d0 [ 44.977268] ? find_held_lock+0x35/0x1d0 [ 44.977288] ? handle_mm_fault+0x248/0x8d0 [ 44.977298] ? lock_downgrade+0x980/0x980 [ 44.977344] handle_mm_fault+0x334/0x8d0 [ 44.977349] ? down_read_trylock+0xdb/0x170 [ 44.977357] ? __do_page_fault+0x32d/0xc90 [ 44.977367] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 44.977373] ? vmacache_find+0x5f/0x280 [ 44.977388] ? find_vma+0x30/0x150 [ 44.977402] __do_page_fault+0x5c9/0xc90 [ 44.977422] ? mm_fault_error+0x2c0/0x2c0 [ 44.977447] do_page_fault+0xee/0x720 [ 44.977459] ? __do_page_fault+0xc90/0xc90 [ 44.977475] ? SyS_select+0x1ae/0x230 [ 44.977489] ? core_sys_select+0x960/0x960 [ 44.977499] ? entry_SYSCALL_64_fastpath+0x55/0xa0 [ 44.977510] ? page_fault+0x36/0x60 [ 44.977519] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.977533] ? page_fault+0x36/0x60 [ 44.977544] page_fault+0x4c/0x60 [ 44.977550] RIP: 0033:0x7ffa5f299dd3 [ 44.977554] RSP: 002b:00007ffe0fa32808 EFLAGS: 00010246 [ 44.977561] RAX: 0000000000000000 RBX: 00007ffe0fa329b0 RCX: 00007ffa5f299dd3 [ 44.977565] RDX: 0000000000000000 RSI: 00007ffe0fa32b60 RDI: 000000000000000b [ 44.977569] RBP: 00007ffe0fa32b60 R08: 00007ffe0fa32be0 R09: 0000000000000001 [ 44.977573] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 44.977577] R13: 00007ffe0fa32f40 R14: 0000000000000000 R15: 0000000000000000 [ 44.977627] Mem-Info: [ 44.977643] active_anon:4632 inactive_anon:62 isolated_anon:0 [ 44.977643] active_file:18 inactive_file:17 isolated_file:0 [ 44.977643] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.977643] slab_reclaimable:7479 slab_unreclaimable:81724 [ 44.977643] mapped:2 shmem:70 pagetables:313 bounce:0 [ 44.977643] free:16663 free_pcp:18 free_cma:0 [ 44.977656] Node 0 active_anon:18528kB inactive_anon:248kB active_file:72kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 44.977659] 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 [ 44.977675] lowmem_reserve[]: 0 2868 6378 6378 [ 44.977688] Node 0 DMA32 free:28940kB min:30320kB low:37900kB high:45480kB active_anon:184kB inactive_anon:0kB active_file:28kB inactive_file:20kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:32kB pagetables:60kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.977704] lowmem_reserve[]: 0 0 3510 3510 [ 44.977717] Node 0 Normal free:21804kB min:37096kB low:46368kB high:55640kB active_anon:18344kB inactive_anon:248kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2944kB pagetables:1192kB bounce:0kB free_pcp:72kB local_pcp:72kB free_cma:0kB [ 44.977733] lowmem_reserve[]: 0 0 0 0 [ 44.977746] 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 [ 44.977809] Node 0 DMA32: 17*4kB (UME) 11*8kB (UM) 15*16kB (UME) 12*32kB (ME) 4*64kB (ME) 6*128kB (ME) 4*256kB (M) 3*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 28940kB [ 44.977871] Node 0 Normal: 381*4kB (UM) 323*8kB (UM) 206*16kB (UM) 108*32kB (UM) 55*64kB (UM) 18*128kB (UM) 4*256kB (UM) 0*512kB 0*1024kB 2*2048kB (M) 0*4096kB = 21804kB [ 44.977933] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.977936] 105 total pagecache pages [ 44.977945] 0 pages in swap cache [ 44.977949] Swap cache stats: add 0, delete 0, find 0/0 [ 44.977952] Free swap = 0kB [ 44.977954] Total swap = 0kB [ 44.977957] 1965979 pages RAM [ 44.977960] 0 pages HighMem/MovableOnly [ 44.977962] 328415 pages reserved [ 44.978005] Unreclaimable slab info: [ 44.978044] Name Used Total [ 44.978067] hashtab_node 118KB 119KB [ 44.978072] ebitmap_node 396KB 401KB [ 44.978077] avtab_node 1012KB 1013KB [ 44.978087] TIPC 1KB 7KB [ 44.978096] SCTPv6 2KB 4KB [ 44.978104] DCCPv6 2KB 7KB [ 44.978110] DCCP 2KB 6KB [ 44.978132] fib6_nodes 0KB 4KB [ 44.978137] ip6_dst_cache 7KB 7KB [ 44.978144] RAWv6 9KB 13KB [ 44.978150] UDPv6 26KB 28KB [ 44.978156] TCPv6 2KB 5KB [ 44.978175] sd_ext_cdb 0KB 3KB [ 44.978180] scsi_sense_cache 139KB 152KB [ 44.978186] virtio_scsi_cmd 16KB 16KB [ 44.978193] sgpool-128 8KB 8KB [ 44.978198] sgpool-64 4KB 6KB [ 44.978204] sgpool-32 118KB 118KB [ 44.978209] sgpool-16 33KB 33KB [ 44.978214] sgpool-8 285KB 285KB [ 44.978220] cfq_io_cq 18KB 19KB [ 44.978225] cfq_queue 29KB 30KB [ 44.978231] mqueue_inode_cache 1KB 7KB [ 44.978237] nfs_commit_data 3KB 7KB [ 44.978242] nfs_write_data 34KB 37KB [ 44.978249] jbd2_inode 1KB 3KB [ 44.978255] ext4_system_zone 0KB 3KB [ 44.978268] bio-1 1KB 3KB [ 44.978280] rpc_buffers 17KB 19KB [ 44.978285] rpc_tasks 2KB 3KB [ 44.978290] UNIX 780KB 784KB [ 44.978298] tcp_bind_bucket 0KB 4KB [ 44.978306] ip_fib_trie 0KB 3KB [ 44.978311] ip_fib_alias 0KB 3KB [ 44.978316] ip_dst_cache 3KB 4KB [ 44.978322] RAW 5KB 7KB [ 44.978326] UDP 29KB 39KB [ 44.978333] TCP 7KB 15KB [ 44.978338] hugetlbfs_inode_cache 1KB 7KB [ 44.978344] eventpoll_pwq 10KB 15KB [ 44.978349] eventpoll_epi 18KB 27KB [ 44.978354] inotify_inode_mark 3KB 11KB [ 44.978360] request_queue 33KB 67KB [ 44.978366] blkdev_ioc 22KB 23KB [ 44.978371] bio-0 420KB 420KB [ 44.978376] biovec-(1<<(21-12)) 577KB 577KB [ 44.978381] biovec-64 204KB 204KB [ 44.978387] biovec-16 26KB 26KB [ 44.978391] bio_integrity_payload 0KB 4KB [ 44.978396] khugepaged_mm_slot 0KB 3KB [ 44.978406] uid_cache 0KB 3KB [ 44.978411] dmaengine-unmap-2 0KB 3KB [ 44.978415] audit_buffer 0KB 3KB [ 44.978421] skbuff_fclone_cache 147KB 150KB [ 44.978426] skbuff_head_cache 1796KB 1796KB [ 44.978431] configfs_dir_cache 0KB 4KB [ 44.978436] file_lock_cache 164KB 166KB [ 44.978441] file_lock_ctx 1KB 3KB [ 44.978447] fsnotify_mark_connector 2KB 7KB [ 44.978453] shmem_inode_cache 1053KB 1054KB [ 44.978458] task_delay_info 321KB 324KB [ 44.978464] sigqueue 368KB 374KB [ 44.978470] kernfs_node_cache 2308KB 2311KB [ 44.978474] mnt_cache 15KB 20KB [ 44.978480] filp 8296KB 8752KB [ 44.978485] names_cache 110007KB 110011KB [ 44.978494] avc_node 37KB 43KB [ 44.978499] selinux_file_security 421KB 492KB [ 44.978504] selinux_inode_security 1982KB 1984KB [ 44.978509] key_jar 3KB 7KB [ 44.978514] nsproxy 0KB 3KB [ 44.978519] vm_area_struct 18766KB 18767KB [ 44.978524] mm_struct 4550KB 4554KB [ 44.978529] fs_cache 428KB 432KB [ 44.978534] files_cache 1605KB 1605KB [ 44.978539] signal_cache 2558KB 2558KB [ 44.978544] sighand_cache 228KB 346KB [ 44.978549] task_struct 10902KB 10902KB [ 44.978554] cred_jar 2365KB 2368KB [ 44.978559] anon_vma_chain 7882KB 7882KB [ 44.978564] anon_vma 138KB 327KB [ 44.978569] pid 225KB 244KB [ 44.978573] Acpi-Operand 106KB 170KB [ 44.978579] Acpi-State 0KB 3KB [ 44.978584] Acpi-Namespace 19KB 23KB [ 44.978590] numa_policy 0KB 3KB [ 44.978595] debug_objects_cache 520KB 524KB [ 44.978600] trace_event_file 149KB 151KB [ 44.978605] ftrace_event_field 261KB 263KB [ 44.978610] pool_workqueue 24KB 28KB [ 44.978616] page->ptl 3127KB 3130KB [ 44.978640] kmalloc-262144 1032KB 1032KB [ 44.978645] kmalloc-131072 650KB 650KB [ 44.978650] kmalloc-65536 264KB 264KB [ 44.978654] kmalloc-32768 825KB 825KB [ 44.978659] kmalloc-16384 181KB 181KB [ 44.978664] kmalloc-8192 519KB 519KB [ 44.978668] kmalloc-4096 6281KB 6307KB [ 44.978673] kmalloc-2048 3249KB 3251KB [ 44.978678] kmalloc-1024 4181KB 4181KB [ 44.978683] kmalloc-512 2786KB 2786KB [ 44.978687] kmalloc-256 1948KB 2478KB [ 44.978692] kmalloc-128 418KB 531KB [ 44.978696] kmalloc-96 311KB 412KB [ 44.978701] kmalloc-64 725KB 828KB [ 44.978706] kmalloc-32 1878KB 2197KB [ 44.978745] kmalloc-192 205KB 280KB [ 44.978750] kmem_cache 102KB 105KB [ 44.978753] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 44.978794] [ 1842] 0 1842 5385 175 86016 0 -1000 udevd [ 44.978815] [ 3379] 0 3379 2493 574 57344 0 0 dhclient [ 44.978825] [ 3532] 0 3532 14298 223 122880 0 0 rsyslogd [ 44.978835] [ 3587] 0 3587 4725 50 86016 0 0 cron [ 44.978844] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 44.978855] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 44.978864] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 44.978874] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 44.978884] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 44.978894] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 44.978904] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 44.978913] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 44.978927] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 44.978937] [ 3667] 0 3667 5681 455 86016 0 -1000 udevd [ 44.978947] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 44.978956] [ 3685] 0 3685 17821 196 184320 0 0 sshd [ 44.978966] [ 3687] 0 3687 281 1 32768 0 0 syzkaller025682 [ 44.978983] [ 3692] 0 3692 4376 0 32768 0 0 syzkaller025682 [ 44.978993] [ 3693] 0 3693 4376 0 32768 0 0 syzkaller025682 [ 44.979006] [ 3694] 0 3694 4376 1034 40960 0 0 syzkaller025682 [ 44.979034] [ 3695] 0 3695 4376 1034 40960 0 0 syzkaller025682 [ 44.979044] [ 3698] 0 3698 5681 454 86016 0 -1000 udevd [ 44.979050] Out of memory: Kill process 3694 (syzkaller025682) score 0 or sacrifice child [ 44.979146] Killed process 3694 (syzkaller025682) total-vm:17504kB, anon-rss:4136kB, file-rss:0kB, shmem-rss:0kB [ 44.980327] syzkaller025682: vmalloc: allocation failure, allocated 1870065664 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 44.980331] syzkaller025682 cpuset=/ mems_allowed=0 [ 44.980346] CPU: 1 PID: 3693 Comm: syzkaller025682 Not tainted 4.15.0-rc9+ #212 [ 44.980350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.980353] Call Trace: [ 44.980364] dump_stack+0x194/0x257 [ 44.980377] ? arch_local_irq_restore+0x53/0x53 [ 44.980384] ? idr_get_free_cmn+0xfd0/0xfd0 [ 44.980408] warn_alloc+0x19a/0x2b0 [ 44.980421] ? zone_watermark_ok_safe+0x400/0x400 [ 44.980445] ? rcu_note_context_switch+0x710/0x710 [ 44.980471] __vmalloc_node_range+0x482/0x650 [ 44.980494] ? xt_alloc_table_info+0x64/0xe0 [ 44.980503] __vmalloc_node_flags_caller+0x50/0x60 [ 44.980512] ? xt_alloc_table_info+0x64/0xe0 [ 44.980525] kvmalloc_node+0x82/0xd0 [ 44.980538] xt_alloc_table_info+0x64/0xe0 [ 44.980550] do_ip6t_set_ctl+0x29b/0x5f0 [ 44.980565] ? translate_compat_table+0x1c50/0x1c50 [ 44.980591] ? mutex_unlock+0xd/0x10 [ 44.980600] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 44.980614] nf_setsockopt+0x67/0xc0 [ 44.980628] ipv6_setsockopt+0x115/0x150 [ 44.980641] udpv6_setsockopt+0x45/0x80 [ 44.980656] sock_common_setsockopt+0x95/0xd0 [ 44.980672] SyS_setsockopt+0x189/0x360 [ 44.980686] ? SyS_recv+0x40/0x40 [ 44.980697] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 44.980709] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.980720] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.980738] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 44.980744] RIP: 0033:0x441439 [ 44.980747] RSP: 002b:00007fff40e8e1f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 44.980754] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441439 [ 44.980759] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 44.980762] RBP: 31affa775212f497 R08: 00000000000003b8 R09: 0000000000000000 [ 44.980767] R10: 0000000020019c48 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 44.980771] R13: f604ce9cd855ec40 R14: ebfb5b6031634428 R15: 0000000000000000 [ 44.980801] Mem-Info: [ 44.980815] active_anon:4632 inactive_anon:62 isolated_anon:0 [ 44.980815] active_file:18 inactive_file:17 isolated_file:0 [ 44.980815] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.980815] slab_reclaimable:7479 slab_unreclaimable:81724 [ 44.980815] mapped:2 shmem:70 pagetables:313 bounce:0 [ 44.980815] free:16663 free_pcp:18 free_cma:0 [ 44.980828] Node 0 active_anon:18528kB inactive_anon:248kB active_file:72kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 44.980831] 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 [ 44.980846] lowmem_reserve[]: 0 2868 6378 6378 [ 44.980858] Node 0 DMA32 free:28940kB min:30320kB low:37900kB high:45480kB active_anon:184kB inactive_anon:0kB active_file:28kB inactive_file:20kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:32kB pagetables:60kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.980874] lowmem_reserve[]: 0 0 3510 3510 [ 44.980885] Node 0 Normal free:21804kB min:37096kB low:46368kB high:55640kB active_anon:18344kB inactive_anon:248kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2944kB pagetables:1192kB bounce:0kB free_pcp:72kB local_pcp:72kB free_cma:0kB [ 44.980901] lowmem_reserve[]: 0 0 0 0 [ 44.980913] 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 [ 44.980969] Node 0 DMA32: 17*4kB (UME) 11*8kB (UM) 15*16kB (UME) 12*32kB (ME) 4*64kB (ME) 6*128kB (ME) 4*256kB (M) 3*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 28940kB [ 44.981048] Node 0 Normal: 381*4kB (UM) 323*8kB (UM) 206*16kB (UM) 108*32kB (UM) 55*64kB (UM) 18*128kB (UM) 4*256kB (UM) 0*512kB 0*1024kB 2*2048kB (M) 0*4096kB = 21804kB [ 44.981103] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.981106] 105 total pagecache pages [ 44.981113] 0 pages in swap cache [ 44.981117] Swap cache stats: add 0, delete 0, find 0/0 [ 44.981120] Free swap = 0kB [ 44.981122] Total swap = 0kB [ 44.981125] 1965979 pages RAM [ 44.981127] 0 pages HighMem/MovableOnly [ 44.981129] 328415 pages reserved [ 44.992966] oom_reaper: reaped process 3694 (syzkaller025682), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 44.994624] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 44.994629] init cpuset=/ mems_allowed=0 [ 44.994645] CPU: 1 PID: 1 Comm: init Not tainted 4.15.0-rc9+ #212 [ 44.994649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.994651] Call Trace: [ 44.994663] dump_stack+0x194/0x257 [ 44.994676] ? arch_local_irq_restore+0x53/0x53 [ 44.994688] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.994709] dump_header+0x28c/0xe1e [ 44.994727] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.994741] ? pagefault_out_of_memory+0x152/0x152 [ 44.994765] ? __lock_acquire+0x664/0x3e00 [ 44.994779] ? check_noncircular+0x20/0x20 [ 44.994794] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.994802] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.994808] ? print_irqtrace_events+0x270/0x270 [ 44.994827] ? check_noncircular+0x20/0x20 [ 44.994834] ? task_will_free_mem+0x252/0xaa0 [ 44.994850] ? print_irqtrace_events+0x270/0x270 [ 44.994869] ? ___ratelimit+0x30d/0x630 [ 44.994879] ? lock_downgrade+0x980/0x980 [ 44.994894] ? lock_release+0xa40/0xa40 [ 44.994910] ? mark_held_locks+0xaf/0x100 [ 44.994925] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 44.994937] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.994947] ? trace_hardirqs_on+0xd/0x10 [ 44.994960] ? ___ratelimit+0x95/0x630 [ 44.994971] ? idr_get_free_cmn+0xfd0/0xfd0 [ 44.994981] ? find_held_lock+0x138/0x1d0 [ 44.995000] oom_kill_process+0x8b5/0x14a0 [ 44.995013] ? lock_downgrade+0x980/0x980 [ 44.995023] ? lock_release+0xa40/0xa40 [ 44.995038] ? find_held_lock+0x35/0x1d0 [ 44.995047] ? oom_evaluate_task+0x480/0x480 [ 44.995062] ? oom_badness+0x21b/0x980 [ 44.995071] ? lock_downgrade+0x980/0x980 [ 44.995081] ? find_lock_task_mm+0x23b/0x460 [ 44.995095] ? task_will_free_mem+0xaa0/0xaa0 [ 44.995107] ? do_raw_spin_trylock+0x190/0x190 [ 44.995116] ? check_noncircular+0x20/0x20 [ 44.995127] ? oom_unkillable_task+0x394/0x4c0 [ 44.995140] ? _raw_spin_unlock+0x22/0x30 [ 44.995148] ? oom_badness+0xd1/0x980 [ 44.995154] ? lock_release+0xa40/0xa40 [ 44.995161] ? do_try_to_free_pages+0xc53/0x1020 [ 44.995173] ? find_lock_task_mm+0x460/0x460 [ 44.995189] ? find_held_lock+0x35/0x1d0 [ 44.995208] ? out_of_memory+0xb3a/0x1220 [ 44.995218] ? lock_downgrade+0x980/0x980 [ 44.995232] ? lock_release+0xa40/0xa40 [ 44.995238] ? lock_acquire+0x1d5/0x580 [ 44.995247] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 44.995266] ? oom_evaluate_task+0x284/0x480 [ 44.995282] out_of_memory+0x86d/0x1220 [ 44.995303] ? oom_killer_disable+0x310/0x310 [ 44.995309] ? mutex_trylock+0x23a/0x2d0 [ 44.995319] ? __lock_is_held+0xb6/0x140 [ 44.995327] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 44.995353] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 44.995372] ? trace_hardirqs_on+0xd/0x10 [ 44.995407] ? warn_alloc+0x2b0/0x2b0 [ 44.995416] ? lock_downgrade+0x980/0x980 [ 44.995438] ? radix_tree_lookup_slot+0x99/0xe0 [ 44.995467] ? find_get_entry+0x53c/0x9e0 [ 44.995475] ? print_irqtrace_events+0x270/0x270 [ 44.995499] ? switched_to_fair+0xb0/0xb0 [ 44.995517] ? __lock_acquire+0x664/0x3e00 [ 44.995546] ? __lock_is_held+0xb6/0x140 [ 44.995576] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.995599] ? __might_sleep+0x95/0x190 [ 44.995614] __alloc_pages_nodemask+0x9fb/0xd80 [ 44.995632] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 44.995642] ? add_to_page_cache_lru+0x510/0x510 [ 44.995661] ? check_noncircular+0x20/0x20 [ 44.995668] ? check_noncircular+0x20/0x20 [ 44.995679] ? find_held_lock+0x35/0x1d0 [ 44.995690] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 44.995728] alloc_pages_current+0xb6/0x1e0 [ 44.995743] __page_cache_alloc+0x334/0x500 [ 44.995753] ? rcu_read_lock_held+0xa9/0xc0 [ 44.995766] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 44.995790] filemap_fault+0xefc/0x1c20 [ 44.995798] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.995821] ? __lock_page_or_retry+0x4f0/0x4f0 [ 44.995827] ? lock_downgrade+0x980/0x980 [ 44.995845] ? filemap_map_pages+0x942/0x15d0 [ 44.995863] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 44.995886] ? find_get_entries_tag+0xeb0/0xeb0 [ 44.995893] ? print_irqtrace_events+0x270/0x270 [ 44.995905] ? remove_wait_queue+0x1b4/0x350 [ 44.995918] ? check_noncircular+0x20/0x20 [ 44.995928] ? print_irqtrace_events+0x270/0x270 [ 44.995935] ? add_wait_queue+0x290/0x290 [ 44.995949] ? print_irqtrace_events+0x270/0x270 [ 44.995956] ? print_irqtrace_events+0x270/0x270 [ 44.995965] ? fput+0xd2/0x140 [ 44.995981] ? print_irqtrace_events+0x270/0x270 [ 44.996001] ? lock_acquire+0x1d5/0x580 [ 44.996007] ? lock_acquire+0x1d5/0x580 [ 44.996017] ? ext4_filemap_fault+0x7a/0xad [ 44.996028] ? __lock_acquire+0x664/0x3e00 [ 44.996040] ? lock_release+0xa40/0xa40 [ 44.996048] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.996062] ? rcu_note_context_switch+0x710/0x710 [ 44.996077] ? __might_sleep+0x95/0x190 [ 44.996090] ? down_read+0x96/0x150 [ 44.996096] ? ext4_filemap_fault+0x7a/0xad [ 44.996105] ? __down_interruptible+0x6b0/0x6b0 [ 44.996111] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.996123] ? depot_save_stack+0x12c/0x490 [ 44.996143] ext4_filemap_fault+0x82/0xad [ 44.996154] __do_fault+0xeb/0x30f [ 44.996167] ? pte_offset_kernel+0xc7/0xc7 [ 44.996174] ? set_fd_set.part.0+0x70/0x70 [ 44.996183] ? check_noncircular+0x20/0x20 [ 44.996200] ? check_noncircular+0x20/0x20 [ 44.996218] __handle_mm_fault+0x1d8f/0x3ce0 [ 44.996235] ? __pmd_alloc+0x4e0/0x4e0 [ 44.996242] ? find_held_lock+0x35/0x1d0 [ 44.996260] ? find_held_lock+0x35/0x1d0 [ 44.996283] ? handle_mm_fault+0x248/0x8d0 [ 44.996293] ? lock_downgrade+0x980/0x980 [ 44.996338] handle_mm_fault+0x334/0x8d0 [ 44.996344] ? down_read_trylock+0xdb/0x170 [ 44.996351] ? __do_page_fault+0x32d/0xc90 [ 44.996361] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 44.996367] ? vmacache_find+0x5f/0x280 [ 44.996383] ? find_vma+0x30/0x150 [ 44.996396] __do_page_fault+0x5c9/0xc90 [ 44.996417] ? mm_fault_error+0x2c0/0x2c0 [ 44.996442] do_page_fault+0xee/0x720 [ 44.996453] ? __do_page_fault+0xc90/0xc90 [ 44.996469] ? SyS_select+0x1ae/0x230 [ 44.996483] ? core_sys_select+0x960/0x960 [ 44.996493] ? entry_SYSCALL_64_fastpath+0x55/0xa0 [ 44.996505] ? page_fault+0x36/0x60 [ 44.996515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.996528] ? page_fault+0x36/0x60 [ 44.996538] page_fault+0x4c/0x60 [ 44.996543] RIP: 0033:0x7ffa5f299dd3 [ 44.996547] RSP: 002b:00007ffe0fa32808 EFLAGS: 00010246 [ 44.996553] RAX: 0000000000000000 RBX: 00007ffe0fa329b0 RCX: 00007ffa5f299dd3 [ 44.996557] RDX: 0000000000000000 RSI: 00007ffe0fa32b60 RDI: 000000000000000b [ 44.996561] RBP: 00007ffe0fa32b60 R08: 00007ffe0fa32be0 R09: 0000000000000001 [ 44.996565] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 44.996569] R13: 00007ffe0fa32f40 R14: 0000000000000000 R15: 0000000000000000 [ 44.996667] Mem-Info: [ 44.996683] active_anon:3603 inactive_anon:62 isolated_anon:0 [ 44.996683] active_file:18 inactive_file:17 isolated_file:0 [ 44.996683] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.996683] slab_reclaimable:7479 slab_unreclaimable:81724 [ 44.996683] mapped:2 shmem:70 pagetables:313 bounce:0 [ 44.996683] free:16850 free_pcp:37 free_cma:0 [ 44.996696] Node 0 active_anon:14412kB inactive_anon:248kB active_file:72kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 44.996699] 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 [ 44.996715] lowmem_reserve[]: 0 2868 6378 6378 [ 44.996728] Node 0 DMA32 free:28940kB min:30320kB low:37900kB high:45480kB active_anon:184kB inactive_anon:0kB active_file:28kB inactive_file:20kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:32kB pagetables:60kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.996744] lowmem_reserve[]: 0 0 3510 3510 [ 44.996757] Node 0 Normal free:22552kB min:37096kB low:46368kB high:55640kB active_anon:14228kB inactive_anon:248kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2944kB pagetables:1192kB bounce:0kB free_pcp:148kB local_pcp:148kB free_cma:0kB [ 44.996773] lowmem_reserve[]: 0 0 0 0 [ 44.996785] 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 [ 44.996841] Node 0 DMA32: 17*4kB (UME) 11*8kB (UM) 15*16kB (UME) 12*32kB (ME) 4*64kB (ME) 6*128kB (ME) 4*256kB (M) 3*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 28940kB [ 44.996902] Node 0 Normal: 336*4kB (M) 291*8kB (M) 190*16kB (M) 103*32kB (UM) 48*64kB (M) 18*128kB (UM) 4*256kB (UM) 0*512kB 0*1024kB 3*2048kB (M) 0*4096kB = 22552kB [ 44.996964] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.996967] 105 total pagecache pages [ 44.996976] 0 pages in swap cache [ 44.996981] Swap cache stats: add 0, delete 0, find 0/0 [ 44.996983] Free swap = 0kB [ 44.996986] Total swap = 0kB [ 44.996989] 1965979 pages RAM [ 44.996991] 0 pages HighMem/MovableOnly [ 44.996994] 328415 pages reserved [ 44.996998] Unreclaimable slab info: [ 44.997004] Name Used Total [ 44.997027] hashtab_node 118KB 119KB [ 44.997032] ebitmap_node 396KB 401KB [ 44.997038] avtab_node 1012KB 1013KB [ 44.997049] TIPC 1KB 7KB [ 44.997057] SCTPv6 2KB 4KB [ 44.997066] DCCPv6 2KB 7KB [ 44.997073] DCCP 2KB 6KB [ 44.997095] fib6_nodes 0KB 4KB [ 44.997100] ip6_dst_cache 7KB 7KB [ 44.997107] RAWv6 9KB 13KB [ 44.997113] UDPv6 26KB 28KB [ 44.997119] TCPv6 2KB 5KB [ 44.997138] sd_ext_cdb 0KB 3KB [ 44.997143] scsi_sense_cache 139KB 152KB [ 44.997148] virtio_scsi_cmd 16KB 16KB [ 44.997156] sgpool-128 8KB 8KB [ 44.997161] sgpool-64 4KB 6KB [ 44.997166] sgpool-32 118KB 118KB [ 44.997171] sgpool-16 33KB 33KB [ 44.997176] sgpool-8 285KB 285KB [ 44.997182] cfq_io_cq 18KB 19KB [ 44.997187] cfq_queue 29KB 30KB [ 44.997193] mqueue_inode_cache 1KB 7KB [ 44.997199] nfs_commit_data 3KB 7KB [ 44.997204] nfs_write_data 34KB 37KB [ 44.997211] jbd2_inode 1KB 3KB [ 44.997216] ext4_system_zone 0KB 3KB [ 44.997229] bio-1 1KB 3KB [ 44.997241] rpc_buffers 17KB 19KB [ 44.997246] rpc_tasks 2KB 3KB [ 44.997250] UNIX 780KB 784KB [ 44.997258] tcp_bind_bucket 0KB 4KB [ 44.997266] ip_fib_trie 0KB 3KB [ 44.997271] ip_fib_alias 0KB 3KB [ 44.997276] ip_dst_cache 3KB 4KB [ 44.997281] RAW 5KB 7KB [ 44.997286] UDP 29KB 39KB [ 44.997293] TCP 7KB 15KB [ 44.997298] hugetlbfs_inode_cache 1KB 7KB [ 44.997304] eventpoll_pwq 10KB 15KB [ 44.997309] eventpoll_epi 18KB 27KB [ 44.997313] inotify_inode_mark 3KB 11KB [ 44.997320] request_queue 33KB 67KB [ 44.997326] blkdev_ioc 22KB 23KB [ 44.997331] bio-0 420KB 420KB [ 44.997336] biovec-(1<<(21-12)) 577KB 577KB [ 44.997342] biovec-64 204KB 204KB [ 44.997347] biovec-16 26KB 26KB [ 44.997352] bio_integrity_payload 0KB 4KB [ 44.997357] khugepaged_mm_slot 0KB 3KB [ 44.997366] uid_cache 0KB 3KB [ 44.997371] dmaengine-unmap-2 0KB 3KB [ 44.997376] audit_buffer 0KB 3KB [ 44.997381] skbuff_fclone_cache 147KB 150KB [ 44.997386] skbuff_head_cache 1796KB 1796KB [ 44.997391] configfs_dir_cache 0KB 4KB [ 44.997396] file_lock_cache 164KB 166KB [ 44.997400] file_lock_ctx 1KB 3KB [ 44.997405] fsnotify_mark_connector 2KB 7KB [ 44.997411] shmem_inode_cache 1053KB 1054KB [ 44.997416] task_delay_info 321KB 324KB [ 44.997422] sigqueue 368KB 374KB [ 44.997427] kernfs_node_cache 2308KB 2311KB [ 44.997432] mnt_cache 15KB 20KB [ 44.997437] filp 8296KB 8752KB [ 44.997443] names_cache 110007KB 110011KB [ 44.997451] avc_node 37KB 43KB [ 44.997456] selinux_file_security 421KB 492KB [ 44.997461] selinux_inode_security 1982KB 1984KB [ 44.997466] key_jar 3KB 7KB [ 44.997471] nsproxy 0KB 3KB [ 44.997476] vm_area_struct 18766KB 18767KB [ 44.997481] mm_struct 4550KB 4554KB [ 44.997486] fs_cache 428KB 432KB [ 44.997491] files_cache 1605KB 1605KB [ 44.997496] signal_cache 2558KB 2558KB [ 44.997501] sighand_cache 228KB 346KB [ 44.997506] task_struct 10902KB 10902KB [ 44.997511] cred_jar 2365KB 2368KB [ 44.997516] anon_vma_chain 7882KB 7882KB [ 44.997521] anon_vma 138KB 327KB [ 44.997526] pid 225KB 244KB [ 44.997530] Acpi-Operand 106KB 170KB [ 44.997537] Acpi-State 0KB 3KB [ 44.997542] Acpi-Namespace 19KB 23KB [ 44.997547] numa_policy 0KB 3KB [ 44.997552] debug_objects_cache 520KB 524KB [ 44.997557] trace_event_file 149KB 151KB [ 44.997562] ftrace_event_field 261KB 263KB [ 44.997567] pool_workqueue 24KB 28KB [ 44.997574] page->ptl 3127KB 3130KB [ 44.997597] kmalloc-262144 1032KB 1032KB [ 44.997602] kmalloc-131072 650KB 650KB [ 44.997607] kmalloc-65536 264KB 264KB [ 44.997612] kmalloc-32768 825KB 825KB [ 44.997617] kmalloc-16384 181KB 181KB [ 44.997621] kmalloc-8192 519KB 519KB [ 44.997626] kmalloc-4096 6281KB 6307KB [ 44.997631] kmalloc-2048 3249KB 3251KB [ 44.997636] kmalloc-1024 4181KB 4181KB [ 44.997641] kmalloc-512 2786KB 2786KB [ 44.997645] kmalloc-256 1948KB 2478KB [ 44.997650] kmalloc-128 418KB 531KB [ 44.997655] kmalloc-96 311KB 412KB [ 44.997659] kmalloc-64 725KB 828KB [ 44.997664] kmalloc-32 1878KB 2197KB [ 44.997669] kmalloc-192 205KB 280KB [ 44.997674] kmem_cache 102KB 105KB [ 44.997677] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 44.997701] [ 1842] 0 1842 5385 175 86016 0 -1000 udevd [ 44.997712] [ 3379] 0 3379 2493 574 57344 0 0 dhclient [ 44.997722] [ 3532] 0 3532 14298 223 122880 0 0 rsyslogd [ 44.997733] [ 3587] 0 3587 4725 50 86016 0 0 cron [ 44.997742] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 44.997753] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 44.997763] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 44.997772] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 44.997783] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 44.997793] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 44.997803] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 44.997813] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 44.997822] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 44.997833] [ 3667] 0 3667 5681 455 86016 0 -1000 udevd [ 44.997843] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 44.997853] [ 3685] 0 3685 17821 196 184320 0 0 sshd [ 44.997863] [ 3687] 0 3687 281 1 32768 0 0 syzkaller025682 [ 44.997881] [ 3692] 0 3692 4376 0 32768 0 0 syzkaller025682 [ 44.997891] [ 3693] 0 3693 4376 0 32768 0 0 syzkaller025682 [ 44.997900] [ 3694] 0 3694 4376 0 32768 0 0 syzkaller025682 [ 44.997910] [ 3695] 0 3695 4376 1034 40960 0 0 syzkaller025682 [ 44.997920] [ 3698] 0 3698 5681 454 86016 0 -1000 udevd [ 44.997928] Out of memory: Kill process 3695 (syzkaller025682) score 0 or sacrifice child [ 44.997948] Killed process 3695 (syzkaller025682) total-vm:17504kB, anon-rss:4136kB, file-rss:0kB, shmem-rss:0kB [ 45.001089] syzkaller025682: vmalloc: allocation failure, allocated 1627529216 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 45.001093] syzkaller025682 cpuset=/ mems_allowed=0 [ 45.001108] CPU: 1 PID: 3694 Comm: syzkaller025682 Not tainted 4.15.0-rc9+ #212 [ 45.001112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.001115] Call Trace: [ 45.001128] dump_stack+0x194/0x257 [ 45.001141] ? arch_local_irq_restore+0x53/0x53 [ 45.001147] ? idr_get_free_cmn+0xfd0/0xfd0 [ 45.001158] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.001179] warn_alloc+0x19a/0x2b0 [ 45.001192] ? zone_watermark_ok_safe+0x400/0x400 [ 45.001216] ? rcu_note_context_switch+0x710/0x710 [ 45.001242] __vmalloc_node_range+0x482/0x650 [ 45.001265] ? xt_alloc_table_info+0x64/0xe0 [ 45.001274] __vmalloc_node_flags_caller+0x50/0x60 [ 45.001283] ? xt_alloc_table_info+0x64/0xe0 [ 45.001297] kvmalloc_node+0x82/0xd0 [ 45.001309] xt_alloc_table_info+0x64/0xe0 [ 45.001322] do_ip6t_set_ctl+0x29b/0x5f0 [ 45.001337] ? translate_compat_table+0x1c50/0x1c50 [ 45.001364] ? mutex_unlock+0xd/0x10 [ 45.001372] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 45.001386] nf_setsockopt+0x67/0xc0 [ 45.001400] ipv6_setsockopt+0x115/0x150 [ 45.001414] udpv6_setsockopt+0x45/0x80 [ 45.001428] sock_common_setsockopt+0x95/0xd0 [ 45.001444] SyS_setsockopt+0x189/0x360 [ 45.001459] ? SyS_recv+0x40/0x40 [ 45.001469] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 45.001480] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.001492] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 45.001510] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 45.001516] RIP: 0033:0x441439 [ 45.001519] RSP: 002b:00007fff40e8e1f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 45.001527] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441439 [ 45.001531] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 45.001535] RBP: 31affa775212f497 R08: 00000000000003b8 R09: 0000000000000000 [ 45.001539] R10: 0000000020019c48 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 45.001543] R13: f604ce9cd855ec40 R14: ebfb5b6031634428 R15: 0000000000000000 [ 46.448176] oom_reaper: reaped process 3695 (syzkaller025682), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 46.705396] modprobe (3698) used greatest stack depth: 13112 bytes left [ 50.684617] syzkaller025682 cpuset=/ mems_allowed=0 [ 50.689775] CPU: 0 PID: 3692 Comm: syzkaller025682 Not tainted 4.15.0-rc9+ #212 [ 50.697219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.706578] Call Trace: [ 50.709180] dump_stack+0x194/0x257 [ 50.712804] ? arch_local_irq_restore+0x53/0x53 [ 50.717467] ? idr_get_free_cmn+0xfd0/0xfd0 [ 50.721811] warn_alloc+0x19a/0x2b0 [ 50.725448] ? zone_watermark_ok_safe+0x400/0x400 [ 50.730310] ? rcu_note_context_switch+0x710/0x710 [ 50.735257] __vmalloc_node_range+0x482/0x650 [ 50.739765] ? xt_alloc_table_info+0x64/0xe0 [ 50.744209] __vmalloc_node_flags_caller+0x50/0x60 [ 50.749160] ? xt_alloc_table_info+0x64/0xe0 [ 50.753586] kvmalloc_node+0x82/0xd0 [ 50.757326] xt_alloc_table_info+0x64/0xe0 [ 50.761583] do_ip6t_set_ctl+0x29b/0x5f0 [ 50.765657] ? translate_compat_table+0x1c50/0x1c50 [ 50.770702] ? mutex_unlock+0xd/0x10 [ 50.774424] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 50.779731] nf_setsockopt+0x67/0xc0 [ 50.783464] ipv6_setsockopt+0x115/0x150 [ 50.787534] udpv6_setsockopt+0x45/0x80 [ 50.791528] sock_common_setsockopt+0x95/0xd0 [ 50.796037] SyS_setsockopt+0x189/0x360 [ 50.800029] ? SyS_recv+0x40/0x40 [ 50.803501] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 50.808360] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 50.813387] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 50.818169] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 50.822943] RIP: 0033:0x441439 [ 50.826133] RSP: 002b:00007fff40e8e1f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 50.833846] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441439 [ 50.841128] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 50.848402] RBP: 31affa775212f497 R08: 00000000000003b8 R09: 0000000000000000 [ 50.855683] R10: 0000000020019c48 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 50.862959] R13: f604ce9cd855ec40 R14: ebfb5b6031634428 R15: 0000000000000000 [ 50.870454] warn_alloc_show_mem: 1 callbacks suppressed [ 50.870457] Mem-Info: [ 50.879372] active_anon:2565 inactive_anon:63 isolated_anon:0 [ 50.879372] active_file:63 inactive_file:79 isolated_file:0 [ 50.879372] unevictable:0 dirty:0 writeback:0 unstable:0 [ 50.879372] slab_reclaimable:7519 slab_unreclaimable:81489 [ 50.879372] mapped:91 shmem:70 pagetables:285 bounce:0 [ 50.879372] free:21579 free_pcp:173 free_cma:0 [ 50.911730] Node 0 active_anon:10260kB inactive_anon:252kB active_file:252kB inactive_file:316kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:364kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 50.945477] rsyslogd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 50.945540] rsyslogd cpuset=/ mems_allowed=0 [ 50.945670] CPU: 0 PID: 3535 Comm: rsyslogd Not tainted 4.15.0-rc9+ #212 [ 50.945674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.945677] Call Trace: [ 50.945694] dump_stack+0x194/0x257 [ 50.945708] ? arch_local_irq_restore+0x53/0x53 [ 50.945723] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.945744] dump_header+0x28c/0xe1e [ 50.945761] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.945774] ? pagefault_out_of_memory+0x152/0x152 [ 50.945782] ? check_noncircular+0x20/0x20 [ 50.945793] ? print_irqtrace_events+0x270/0x270 [ 50.945808] ? __lock_acquire+0x664/0x3e00 [ 50.945822] ? check_noncircular+0x20/0x20 [ 50.945840] ? print_irqtrace_events+0x270/0x270 [ 50.945858] ? check_noncircular+0x20/0x20 [ 50.945867] ? task_will_free_mem+0x252/0xaa0 [ 50.945883] ? print_irqtrace_events+0x270/0x270 [ 50.945903] ? ___ratelimit+0x30d/0x630 [ 50.945927] ? lock_downgrade+0x980/0x980 [ 50.945942] ? lock_release+0xa40/0xa40 [ 50.945958] ? mark_held_locks+0xaf/0x100 [ 50.945972] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 50.945984] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 50.945995] ? trace_hardirqs_on+0xd/0x10 [ 50.946011] ? ___ratelimit+0x95/0x630 [ 50.946024] ? idr_get_free_cmn+0xfd0/0xfd0 [ 50.946033] ? check_noncircular+0x20/0x20 [ 50.946041] ? find_held_lock+0x138/0x1d0 [ 50.946059] oom_kill_process+0x8b5/0x14a0 [ 50.946075] ? has_ns_capability_noaudit+0x163/0x2a0 [ 50.946087] ? check_noncircular+0x20/0x20 [ 50.946099] ? oom_evaluate_task+0x480/0x480 [ 50.946125] ? security_capable_noaudit+0x8b/0xc0 [ 50.946140] ? find_held_lock+0x35/0x1d0 [ 50.946153] ? check_noncircular+0x20/0x20 [ 50.946164] ? oom_unkillable_task+0x394/0x4c0 [ 50.946174] ? lock_downgrade+0x980/0x980 [ 50.946187] ? lock_release+0xa40/0xa40 [ 50.946200] ? find_lock_task_mm+0x460/0x460 [ 50.946215] ? find_held_lock+0x35/0x1d0 [ 50.946233] ? out_of_memory+0xb3a/0x1220 [ 50.946244] ? lock_downgrade+0x980/0x980 [ 50.946258] ? lock_release+0xa40/0xa40 [ 50.946266] ? lock_acquire+0x1d5/0x580 [ 50.946277] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 50.946296] ? oom_evaluate_task+0x284/0x480 [ 50.946311] out_of_memory+0x86d/0x1220 [ 50.946330] ? oom_killer_disable+0x310/0x310 [ 50.946337] ? mutex_trylock+0x23a/0x2d0 [ 50.946348] ? __lock_is_held+0xb6/0x140 [ 50.946357] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 50.946381] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 50.946423] ? warn_alloc+0x2b0/0x2b0 [ 50.946441] ? warn_alloc+0x2b0/0x2b0 [ 50.946451] ? print_irqtrace_events+0x270/0x270 [ 50.946463] ? warn_alloc+0x2b0/0x2b0 [ 50.946472] ? print_irqtrace_events+0x270/0x270 [ 50.946487] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.946494] ? switched_to_fair+0xb0/0xb0 [ 50.946501] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.946520] ? __lock_acquire+0x664/0x3e00 [ 50.946536] ? should_fail+0x23b/0xa40 [ 50.946549] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 50.946575] ? __lock_is_held+0xb6/0x140 [ 50.946601] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 50.946611] ? trace_hardirqs_on+0xd/0x10 [ 50.946628] ? __might_sleep+0x95/0x190 [ 50.946644] __alloc_pages_nodemask+0x9fb/0xd80 [ 50.946662] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 50.946670] ? __alloc_pages_nodemask+0xadb/0xd80 [ 50.946680] ? print_irqtrace_events+0x270/0x270 [ 50.946693] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 50.946730] ? cache_grow_begin+0x307/0x3f0 [ 50.946747] cache_grow_begin+0x72/0x3f0 [ 50.946763] fallback_alloc+0x13b/0x2a0 [ 50.946779] ____cache_alloc_node+0x1cc/0x1e0 [ 50.946794] kmem_cache_alloc_trace+0x27d/0x750 [ 50.946801] ? dl_cpu_busy+0x370/0x370 [ 50.946824] do_syslog+0x5d7/0xb80 [ 50.946840] ? log_buf_vmcoreinfo_setup+0x120/0x120 [ 50.946850] ? prepare_to_wait+0x4d0/0x4d0 [ 50.946863] ? __lock_is_held+0xb6/0x140 [ 50.946878] kmsg_read+0x74/0xa0 [ 50.946886] ? kmsg_poll+0xa0/0xa0 [ 50.946896] proc_reg_read+0xef/0x170 [ 50.946921] ? proc_reg_write+0x170/0x170 [ 50.946932] __vfs_read+0xef/0xa00 [ 50.946941] ? fsnotify+0x7b3/0x1140 [ 50.946955] ? vfs_copy_file_range+0x940/0x940 [ 50.946970] ? fsnotify_first_mark+0x2b0/0x2b0 [ 50.946984] ? avc_policy_seqno+0x9/0x20 [ 50.946993] ? selinux_file_permission+0x82/0x460 [ 50.947007] ? security_file_permission+0x89/0x1e0 [ 50.947022] ? rw_verify_area+0xe5/0x2b0 [ 50.947031] ? __fdget_raw+0x20/0x20 [ 50.947045] vfs_read+0x11e/0x350 [ 50.947062] SyS_read+0xef/0x220 [ 50.947076] ? kernel_write+0x120/0x120 [ 50.947084] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 50.947100] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 50.947118] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 50.947126] RIP: 0033:0x7f67581921fd [ 50.947129] RSP: 002b:00007f6755731e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 50.947136] RAX: ffffffffffffffda RBX: 00007f6757d73e98 RCX: 00007f67581921fd [ 50.947139] RDX: 0000000000000fff RSI: 00007f6756f665a0 RDI: 0000000000000004 [ 50.947142] RBP: 00007f6757d73e40 R08: 00000000025f3260 R09: 0000000000000000 [ 50.947145] R10: 6f205d3637313834 R11: 0000000000000293 R12: 0000000002682fa0 [ 50.947148] R13: 0000000000014e51 R14: 0000000000000000 R15: 0000000000000004 [ 50.947204] Mem-Info: [ 50.947220] active_anon:2565 inactive_anon:63 isolated_anon:0 [ 50.947220] active_file:37 inactive_file:28 isolated_file:0 [ 50.947220] unevictable:0 dirty:0 writeback:0 unstable:0 [ 50.947220] slab_reclaimable:7519 slab_unreclaimable:81489 [ 50.947220] mapped:16 shmem:70 pagetables:285 bounce:0 [ 50.947220] free:21579 free_pcp:275 free_cma:0 [ 50.947232] Node 0 active_anon:10260kB inactive_anon:252kB active_file:148kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 50.947235] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 50.947249] lowmem_reserve[]: 0 2868 6378 6378 [ 50.947260] Node 0 DMA32 free:44296kB min:30320kB low:37900kB high:45480kB active_anon:164kB inactive_anon:0kB active_file:164kB inactive_file:272kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:716kB local_pcp:596kB free_cma:0kB [ 50.947274] lowmem_reserve[]: 0 0 3510 3510 [ 50.947284] Node 0 Normal free:26112kB min:37096kB low:46368kB high:55640kB active_anon:10096kB inactive_anon:252kB active_file:88kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2880kB pagetables:1140kB bounce:0kB free_pcp:384kB local_pcp:380kB free_cma:0kB [ 50.947298] lowmem_reserve[]: 0 0 0 0 [ 50.947308] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 50.947362] Node 0 DMA32: 4*4kB (UM) 1*8kB (U) 7*16kB (UME) 6*32kB (UME) 7*64kB (UME) 6*128kB (ME) 5*256kB (UM) 3*512kB (UME) 3*1024kB (ME) 2*2048kB (ME) 8*4096kB (UM) = 44296kB [ 50.947410] Node 0 Normal: 331*4kB (UME) 423*8kB (UME) 212*16kB (UME) 106*32kB (UME) 49*64kB (UM) 18*128kB (UM) 4*256kB (ME) 2*512kB (UE) 1*1024kB (E) 3*2048kB (M) 0*4096kB = 26148kB [ 50.947458] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 50.947461] 112 total pagecache pages [ 50.947470] 0 pages in swap cache [ 50.947474] Swap cache stats: add 0, delete 0, find 0/0 [ 50.947476] Free swap = 0kB [ 50.947478] Total swap = 0kB [ 50.947480] 1965979 pages RAM [ 50.947483] 0 pages HighMem/MovableOnly [ 50.947485] 328415 pages reserved [ 50.947548] Unreclaimable slab info: [ 50.947596] Name Used Total [ 50.947634] hashtab_node 118KB 119KB [ 50.947640] ebitmap_node 396KB 401KB [ 50.947645] avtab_node 1012KB 1013KB [ 50.947656] TIPC 1KB 7KB [ 50.947665] SCTPv6 2KB 4KB [ 50.947674] DCCPv6 2KB 7KB [ 50.947682] DCCP 2KB 6KB [ 50.947705] fib6_nodes 0KB 4KB [ 50.947709] ip6_dst_cache 6KB 7KB [ 50.947717] RAWv6 9KB 13KB [ 50.947722] UDPv6 26KB 28KB [ 50.947729] TCPv6 2KB 5KB [ 50.947748] sd_ext_cdb 0KB 3KB [ 50.947754] scsi_sense_cache 159KB 160KB [ 50.947759] virtio_scsi_cmd 16KB 16KB [ 50.947767] sgpool-128 8KB 8KB [ 50.947771] sgpool-64 4KB 6KB [ 50.947776] sgpool-32 140KB 141KB [ 50.947781] sgpool-16 40KB 41KB [ 50.947786] sgpool-8 336KB 337KB [ 50.947793] cfq_io_cq 16KB 19KB [ 50.947797] cfq_queue 27KB 30KB [ 50.947804] mqueue_inode_cache 1KB 7KB [ 50.947811] nfs_commit_data 3KB 7KB [ 50.947815] nfs_write_data 34KB 37KB [ 50.947823] jbd2_inode 1KB 3KB [ 50.947829] ext4_system_zone 0KB 3KB [ 50.947842] bio-1 1KB 3KB [ 50.947855] rpc_buffers 17KB 19KB [ 50.947859] rpc_tasks 2KB 3KB [ 50.947864] UNIX 780KB 784KB [ 50.947872] tcp_bind_bucket 0KB 4KB [ 50.947880] ip_fib_trie 0KB 3KB [ 50.947884] ip_fib_alias 0KB 3KB [ 50.947889] ip_dst_cache 3KB 4KB [ 50.947893] RAW 5KB 7KB [ 50.947897] UDP 29KB 39KB [ 50.947913] TCP 7KB 15KB [ 50.947919] hugetlbfs_inode_cache 1KB 7KB [ 50.947925] eventpoll_pwq 10KB 15KB [ 50.947930] eventpoll_epi 18KB 27KB [ 50.947935] inotify_inode_mark 3KB 11KB [ 50.947941] request_queue 31KB 45KB [ 50.947946] blkdev_ioc 22KB 23KB [ 50.947951] bio-0 490KB 491KB [ 50.947956] biovec-(1<<(21-12)) 651KB 651KB [ 50.947961] biovec-64 226KB 228KB [ 50.947966] biovec-16 26KB 26KB [ 50.947970] bio_integrity_payload 0KB 4KB [ 50.947974] khugepaged_mm_slot 0KB 3KB [ 50.947985] uid_cache 0KB 3KB [ 50.947990] dmaengine-unmap-2 0KB 3KB [ 50.947995] audit_buffer 0KB 3KB [ 50.948000] skbuff_fclone_cache 147KB 150KB [ 50.948052] skbuff_head_cache 1795KB 1796KB [ 50.948057] configfs_dir_cache 0KB 4KB [ 50.948062] file_lock_cache 164KB 166KB [ 50.948067] file_lock_ctx 1KB 3KB [ 50.948072] fsnotify_mark_connector 2KB 7KB [ 50.948078] shmem_inode_cache 1054KB 1054KB [ 50.948083] task_delay_info 320KB 324KB [ 50.948090] sigqueue 370KB 374KB [ 50.948094] kernfs_node_cache 2308KB 2311KB [ 50.948099] mnt_cache 15KB 20KB [ 50.948104] filp 8231KB 8711KB [ 50.948109] names_cache 109497KB 109535KB [ 50.948119] avc_node 37KB 43KB [ 50.948124] selinux_file_security 417KB 492KB [ 50.948128] selinux_inode_security 1982KB 1984KB [ 50.948133] key_jar 3KB 7KB [ 50.948137] nsproxy 0KB 3KB [ 50.948143] vm_area_struct 18774KB 18775KB [ 50.948147] mm_struct 4548KB 4554KB [ 50.948151] fs_cache 427KB 432KB [ 50.948156] files_cache 1603KB 1605KB [ 50.948161] signal_cache 2554KB 2558KB [ 50.948166] sighand_cache 215KB 333KB [ 50.948172] task_struct 10902KB 10902KB [ 50.948176] cred_jar 2363KB 2368KB [ 50.948180] anon_vma_chain 7882KB 7882KB [ 50.948185] anon_vma 126KB 327KB [ 50.948189] pid 222KB 244KB [ 50.948194] Acpi-Operand 106KB 170KB [ 50.948201] Acpi-Namespace 19KB 23KB [ 50.948207] numa_policy 0KB 3KB [ 50.948211] debug_objects_cache 520KB 524KB [ 50.948216] trace_event_file 149KB 151KB [ 50.948221] ftrace_event_field 261KB 263KB [ 50.948226] pool_workqueue 24KB 28KB [ 50.948232] page->ptl 3128KB 3130KB [ 50.948256] kmalloc-262144 1032KB 1032KB [ 50.948261] kmalloc-131072 650KB 650KB [ 50.948265] kmalloc-65536 264KB 264KB [ 50.948270] kmalloc-32768 825KB 825KB [ 50.948274] kmalloc-16384 181KB 181KB [ 50.948277] kmalloc-8192 519KB 519KB [ 50.948282] kmalloc-4096 5984KB 6022KB [ 50.948287] kmalloc-2048 3249KB 3251KB [ 50.948291] kmalloc-1024 4417KB 4417KB [ 50.948295] kmalloc-512 2787KB 2790KB [ 50.948299] kmalloc-256 1924KB 2448KB [ 50.948304] kmalloc-128 418KB 531KB [ 50.948308] kmalloc-96 324KB 412KB [ 50.948313] kmalloc-64 719KB 828KB [ 50.948317] kmalloc-32 1871KB 2197KB [ 50.948355] kmalloc-192 205KB 280KB [ 50.948360] kmem_cache 102KB 105KB [ 50.948364] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 50.948445] [ 1842] 0 1842 5385 173 86016 0 -1000 udevd [ 50.948497] [ 3379] 0 3379 2493 574 57344 0 0 dhclient [ 50.948508] [ 3532] 0 3532 14298 212 122880 0 0 rsyslogd [ 50.948519] [ 3587] 0 3587 4725 49 86016 0 0 cron [ 50.948529] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 50.948540] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 50.948551] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 50.948562] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 50.948573] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 50.948584] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 50.948594] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 50.948605] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 50.948615] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 50.948626] [ 3667] 0 3667 5681 454 86016 0 -1000 udevd [ 50.948636] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 50.948646] [ 3685] 0 3685 17821 196 184320 0 0 sshd [ 50.948657] [ 3687] 0 3687 281 1 32768 0 0 syzkaller025682 [ 50.948676] [ 3692] 0 3692 4376 0 32768 0 0 syzkaller025682 [ 50.948691] [ 3695] 0 3695 4376 0 36864 0 0 syzkaller025682 [ 50.948698] Out of memory: Kill process 3379 (dhclient) score 0 or sacrifice child [ 50.949538] Killed process 3379 (dhclient) total-vm:9972kB, anon-rss:2296kB, file-rss:0kB, shmem-rss:0kB [ 51.004401] oom_reaper: reaped process 3379 (dhclient), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 51.016580] rsyslogd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 51.016586] rsyslogd cpuset=/ mems_allowed=0 [ 51.016603] CPU: 0 PID: 3535 Comm: rsyslogd Not tainted 4.15.0-rc9+ #212 [ 51.016608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.016610] Call Trace: [ 51.016627] dump_stack+0x194/0x257 [ 51.016640] ? arch_local_irq_restore+0x53/0x53 [ 51.016654] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.016674] dump_header+0x28c/0xe1e [ 51.016692] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.016705] ? pagefault_out_of_memory+0x152/0x152 [ 51.016713] ? check_noncircular+0x20/0x20 [ 51.016725] ? print_irqtrace_events+0x270/0x270 [ 51.016740] ? __lock_acquire+0x664/0x3e00 [ 51.016753] ? check_noncircular+0x20/0x20 [ 51.016770] ? print_irqtrace_events+0x270/0x270 [ 51.016788] ? check_noncircular+0x20/0x20 [ 51.016796] ? task_will_free_mem+0x252/0xaa0 [ 51.016811] ? print_irqtrace_events+0x270/0x270 [ 51.016829] ? ___ratelimit+0x30d/0x630 [ 51.016839] ? lock_downgrade+0x980/0x980 [ 51.016853] ? lock_release+0xa40/0xa40 [ 51.016868] ? mark_held_locks+0xaf/0x100 [ 51.016880] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.016891] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.016913] ? trace_hardirqs_on+0xd/0x10 [ 51.016926] ? ___ratelimit+0x95/0x630 [ 51.016938] ? idr_get_free_cmn+0xfd0/0xfd0 [ 51.016946] ? check_noncircular+0x20/0x20 [ 51.016952] ? find_held_lock+0x138/0x1d0 [ 51.016971] oom_kill_process+0x8b5/0x14a0 [ 51.016986] ? has_ns_capability_noaudit+0x163/0x2a0 [ 51.016998] ? check_noncircular+0x20/0x20 [ 51.017015] ? oom_evaluate_task+0x480/0x480 [ 51.017043] ? security_capable_noaudit+0x8b/0xc0 [ 51.017059] ? find_held_lock+0x35/0x1d0 [ 51.017071] ? check_noncircular+0x20/0x20 [ 51.017081] ? oom_unkillable_task+0x394/0x4c0 [ 51.017090] ? lock_downgrade+0x980/0x980 [ 51.017102] ? lock_release+0xa40/0xa40 [ 51.017110] ? do_try_to_free_pages+0xc53/0x1020 [ 51.017121] ? find_lock_task_mm+0x460/0x460 [ 51.017135] ? find_held_lock+0x35/0x1d0 [ 51.017153] ? out_of_memory+0xb3a/0x1220 [ 51.017163] ? lock_downgrade+0x980/0x980 [ 51.017176] ? lock_release+0xa40/0xa40 [ 51.017182] ? lock_acquire+0x1d5/0x580 [ 51.017192] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 51.017211] ? oom_evaluate_task+0x284/0x480 [ 51.017226] out_of_memory+0x86d/0x1220 [ 51.017246] ? oom_killer_disable+0x310/0x310 [ 51.017251] ? mutex_trylock+0x23a/0x2d0 [ 51.017261] ? __lock_is_held+0xb6/0x140 [ 51.017269] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.017293] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 51.017338] ? warn_alloc+0x2b0/0x2b0 [ 51.017355] ? warn_alloc+0x2b0/0x2b0 [ 51.017365] ? print_irqtrace_events+0x270/0x270 [ 51.017377] ? warn_alloc+0x2b0/0x2b0 [ 51.017386] ? print_irqtrace_events+0x270/0x270 [ 51.017402] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.017408] ? switched_to_fair+0xb0/0xb0 [ 51.017414] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.017434] ? __lock_acquire+0x664/0x3e00 [ 51.017451] ? should_fail+0x23b/0xa40 [ 51.017464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 51.017490] ? __lock_is_held+0xb6/0x140 [ 51.017517] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.017526] ? trace_hardirqs_on+0xd/0x10 [ 51.017544] ? __might_sleep+0x95/0x190 [ 51.017558] __alloc_pages_nodemask+0x9fb/0xd80 [ 51.017576] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 51.017583] ? __alloc_pages_nodemask+0xadb/0xd80 [ 51.017593] ? print_irqtrace_events+0x270/0x270 [ 51.017605] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 51.017645] ? cache_grow_begin+0x307/0x3f0 [ 51.017662] cache_grow_begin+0x72/0x3f0 [ 51.017677] fallback_alloc+0x13b/0x2a0 [ 51.017694] ____cache_alloc_node+0x1cc/0x1e0 [ 51.017710] kmem_cache_alloc_trace+0x27d/0x750 [ 51.017718] ? dl_cpu_busy+0x370/0x370 [ 51.017743] do_syslog+0x5d7/0xb80 [ 51.017759] ? log_buf_vmcoreinfo_setup+0x120/0x120 [ 51.017770] ? prepare_to_wait+0x4d0/0x4d0 [ 51.017785] ? __lock_is_held+0xb6/0x140 [ 51.017801] kmsg_read+0x74/0xa0 [ 51.017809] ? kmsg_poll+0xa0/0xa0 [ 51.017816] proc_reg_read+0xef/0x170 [ 51.017829] ? proc_reg_write+0x170/0x170 [ 51.017839] __vfs_read+0xef/0xa00 [ 51.017847] ? fsnotify+0x7b3/0x1140 [ 51.017859] ? vfs_copy_file_range+0x940/0x940 [ 51.017873] ? fsnotify_first_mark+0x2b0/0x2b0 [ 51.017886] ? avc_policy_seqno+0x9/0x20 [ 51.017893] ? selinux_file_permission+0x82/0x460 [ 51.017911] ? security_file_permission+0x89/0x1e0 [ 51.017923] ? rw_verify_area+0xe5/0x2b0 [ 51.017930] ? __fdget_raw+0x20/0x20 [ 51.017942] vfs_read+0x11e/0x350 [ 51.017956] SyS_read+0xef/0x220 [ 51.017968] ? kernel_write+0x120/0x120 [ 51.017973] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.017985] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 51.018003] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 51.018010] RIP: 0033:0x7f67581921fd [ 51.018013] RSP: 002b:00007f6755731e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 51.018020] RAX: ffffffffffffffda RBX: 00007f6757d73e98 RCX: 00007f67581921fd [ 51.018024] RDX: 0000000000000fff RSI: 00007f6756f665a0 RDI: 0000000000000004 [ 51.018028] RBP: 00007f6757d73e40 R08: 00000000025f3260 R09: 0000000000000000 [ 51.018031] R10: 6f205d3637313834 R11: 0000000000000293 R12: 0000000002682fa0 [ 51.018035] R13: 0000000000014e51 R14: 0000000000000000 R15: 0000000000000004 [ 51.018096] Mem-Info: [ 51.018111] active_anon:2015 inactive_anon:63 isolated_anon:0 [ 51.018111] active_file:37 inactive_file:0 isolated_file:0 [ 51.018111] unevictable:0 dirty:0 writeback:0 unstable:0 [ 51.018111] slab_reclaimable:7519 slab_unreclaimable:81489 [ 51.018111] mapped:16 shmem:70 pagetables:285 bounce:0 [ 51.018111] free:22083 free_pcp:336 free_cma:0 [ 51.018123] Node 0 active_anon:8060kB inactive_anon:252kB active_file:148kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 51.018126] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.018140] lowmem_reserve[]: 0 2868 6378 6378 [ 51.018152] Node 0 DMA32 free:44296kB min:30320kB low:37900kB high:45480kB active_anon:164kB inactive_anon:0kB active_file:164kB inactive_file:272kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:716kB local_pcp:596kB free_cma:0kB [ 51.018166] lowmem_reserve[]: 0 0 3510 3510 [ 51.018178] Node 0 Normal free:28128kB min:37096kB low:46368kB high:55640kB active_anon:8080kB inactive_anon:252kB active_file:88kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2880kB pagetables:1140kB bounce:0kB free_pcp:628kB local_pcp:624kB free_cma:0kB [ 51.018193] lowmem_reserve[]: 0 0 0 0 [ 51.018204] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 51.018253] Node 0 DMA32: 4*4kB (UM) 1*8kB (U) 7*16kB (UME) 6*32kB (UME) 7*64kB (UME) 6*128kB (ME) 5*256kB (UM) 3*512kB (UME) 3*1024kB (ME) 2*2048kB (ME) 8*4096kB (UM) = 44296kB [ 51.018305] Node 0 Normal: 390*4kB (UME) 565*8kB (UME) 216*16kB (UME) 103*32kB (UME) 53*64kB (UM) 22*128kB (UM) 4*256kB (ME) 2*512kB (UE) 1*1024kB (E) 3*2048kB (M) 0*4096kB = 28256kB [ 51.018359] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.018362] 112 total pagecache pages [ 51.018369] 0 pages in swap cache [ 51.018373] Swap cache stats: add 0, delete 0, find 0/0 [ 51.018376] Free swap = 0kB [ 51.018378] Total swap = 0kB [ 51.018380] 1965979 pages RAM [ 51.018383] 0 pages HighMem/MovableOnly [ 51.018385] 328415 pages reserved [ 51.018389] Unreclaimable slab info: [ 51.018392] Name Used Total [ 51.018398] hashtab_node 118KB 119KB [ 51.018403] ebitmap_node 396KB 401KB [ 51.018409] avtab_node 1012KB 1013KB [ 51.018421] TIPC 1KB 7KB [ 51.018430] SCTPv6 2KB 4KB [ 51.018439] DCCPv6 2KB 7KB [ 51.018445] DCCP 2KB 6KB [ 51.018467] fib6_nodes 0KB 4KB [ 51.018472] ip6_dst_cache 6KB 7KB [ 51.018479] RAWv6 9KB 13KB [ 51.018484] UDPv6 26KB 28KB [ 51.018490] TCPv6 2KB 5KB [ 51.018508] sd_ext_cdb 0KB 3KB [ 51.018514] scsi_sense_cache 159KB 160KB [ 51.018518] virtio_scsi_cmd 16KB 16KB [ 51.018526] sgpool-128 8KB 8KB [ 51.018531] sgpool-64 4KB 6KB [ 51.018536] sgpool-32 140KB 141KB [ 51.018541] sgpool-16 40KB 41KB [ 51.018545] sgpool-8 336KB 337KB [ 51.018552] cfq_io_cq 16KB 19KB [ 51.018557] cfq_queue 27KB 30KB [ 51.018563] mqueue_inode_cache 1KB 7KB [ 51.018569] nfs_commit_data 3KB 7KB [ 51.018573] nfs_write_data 34KB 37KB [ 51.018581] jbd2_inode 1KB 3KB [ 51.018586] ext4_system_zone 0KB 3KB [ 51.018599] bio-1 1KB 3KB [ 51.018611] rpc_buffers 17KB 19KB [ 51.018616] rpc_tasks 2KB 3KB [ 51.018620] UNIX 780KB 784KB [ 51.018627] tcp_bind_bucket 0KB 4KB [ 51.018635] ip_fib_trie 0KB 3KB [ 51.018640] ip_fib_alias 0KB 3KB [ 51.018644] ip_dst_cache 3KB 4KB [ 51.018649] RAW 5KB 7KB [ 51.018654] UDP 29KB 39KB [ 51.018661] TCP 7KB 15KB [ 51.018666] hugetlbfs_inode_cache 1KB 7KB [ 51.018672] eventpoll_pwq 10KB 15KB [ 51.018676] eventpoll_epi 18KB 27KB [ 51.018681] inotify_inode_mark 3KB 11KB [ 51.018686] request_queue 31KB 45KB [ 51.018694] blkdev_ioc 22KB 23KB [ 51.018699] bio-0 490KB 491KB [ 51.018703] biovec-(1<<(21-12)) 651KB 651KB [ 51.018709] biovec-64 226KB 228KB [ 51.018714] biovec-16 26KB 26KB [ 51.018719] bio_integrity_payload 0KB 4KB [ 51.018724] khugepaged_mm_slot 0KB 3KB [ 51.018734] uid_cache 0KB 3KB [ 51.018739] dmaengine-unmap-2 0KB 3KB [ 51.018744] audit_buffer 0KB 3KB [ 51.018749] skbuff_fclone_cache 147KB 150KB [ 51.018754] skbuff_head_cache 1795KB 1796KB [ 51.018759] configfs_dir_cache 0KB 4KB [ 51.018764] file_lock_cache 164KB 166KB [ 51.018769] file_lock_ctx 1KB 3KB [ 51.018773] fsnotify_mark_connector 2KB 7KB [ 51.018780] shmem_inode_cache 1054KB 1054KB [ 51.018785] task_delay_info 320KB 324KB [ 51.018791] sigqueue 370KB 374KB [ 51.018796] kernfs_node_cache 2308KB 2311KB [ 51.018801] mnt_cache 15KB 20KB [ 51.018806] filp 8231KB 8711KB [ 51.018811] names_cache 109497KB 109535KB [ 51.018819] avc_node 37KB 43KB [ 51.018824] selinux_file_security 417KB 492KB [ 51.018828] selinux_inode_security 1982KB 1984KB [ 51.018832] key_jar 3KB 7KB [ 51.018836] nsproxy 0KB 3KB [ 51.018841] vm_area_struct 18774KB 18775KB [ 51.018845] mm_struct 4548KB 4554KB [ 51.018850] fs_cache 427KB 432KB [ 51.018854] files_cache 1603KB 1605KB [ 51.018859] signal_cache 2554KB 2558KB [ 51.018864] sighand_cache 215KB 333KB [ 51.018870] task_struct 10902KB 10902KB [ 51.018874] cred_jar 2363KB 2368KB [ 51.018879] anon_vma_chain 7882KB 7882KB [ 51.018883] anon_vma 126KB 327KB [ 51.018888] pid 222KB 244KB [ 51.018893] Acpi-Operand 106KB 170KB [ 51.018907] Acpi-Namespace 19KB 23KB [ 51.018913] numa_policy 0KB 3KB [ 51.018918] debug_objects_cache 520KB 524KB [ 51.018923] trace_event_file 149KB 151KB [ 51.018928] ftrace_event_field 261KB 263KB [ 51.018933] pool_workqueue 24KB 28KB [ 51.018939] page->ptl 3128KB 3130KB [ 51.018964] kmalloc-262144 1032KB 1032KB [ 51.018969] kmalloc-131072 650KB 650KB [ 51.018973] kmalloc-65536 264KB 264KB [ 51.018977] kmalloc-32768 825KB 825KB [ 51.018982] kmalloc-16384 181KB 181KB [ 51.018986] kmalloc-8192 519KB 519KB [ 51.018992] kmalloc-4096 5984KB 6022KB [ 51.018996] kmalloc-2048 3249KB 3251KB [ 51.019001] kmalloc-1024 4417KB 4417KB [ 51.019058] kmalloc-512 2787KB 2790KB [ 51.019062] kmalloc-256 1924KB 2448KB [ 51.019067] kmalloc-128 418KB 531KB [ 51.019072] kmalloc-96 324KB 412KB [ 51.019077] kmalloc-64 719KB 828KB [ 51.019082] kmalloc-32 1871KB 2197KB [ 51.019087] kmalloc-192 205KB 280KB [ 51.019092] kmem_cache 102KB 105KB [ 51.019096] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 51.019123] [ 1842] 0 1842 5385 173 86016 0 -1000 udevd [ 51.019137] [ 3532] 0 3532 14298 212 122880 0 0 rsyslogd [ 51.019147] [ 3587] 0 3587 4725 49 86016 0 0 cron [ 51.019157] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 51.019167] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 51.019177] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 51.019186] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 51.019197] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 51.019207] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 51.019217] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 51.019226] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 51.019235] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 51.019246] [ 3667] 0 3667 5681 454 86016 0 -1000 udevd [ 51.019256] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 51.019266] [ 3685] 0 3685 17821 196 184320 0 0 sshd [ 51.019276] [ 3687] 0 3687 281 1 32768 0 0 syzkaller025682 [ 51.019294] [ 3692] 0 3692 4376 0 32768 0 0 syzkaller025682 [ 51.019308] [ 3695] 0 3695 4376 0 36864 0 0 syzkaller025682 [ 51.019314] Out of memory: Kill process 3532 (rsyslogd) score 0 or sacrifice child [ 51.019366] Killed process 3532 (rsyslogd) total-vm:57192kB, anon-rss:848kB, file-rss:0kB, shmem-rss:0kB [ 51.021838] oom_reaper: reaped process 3532 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 51.141164] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 51.141170] init cpuset=/ mems_allowed=0 [ 51.141187] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc9+ #212 [ 51.141191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.141194] Call Trace: [ 51.141207] dump_stack+0x194/0x257 [ 51.141223] ? arch_local_irq_restore+0x53/0x53 [ 51.141236] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.141260] dump_header+0x28c/0xe1e [ 51.141279] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.141295] ? pagefault_out_of_memory+0x152/0x152 [ 51.141303] ? check_noncircular+0x20/0x20 [ 51.141317] ? print_irqtrace_events+0x270/0x270 [ 51.141333] ? __lock_acquire+0x664/0x3e00 [ 51.141348] ? check_noncircular+0x20/0x20 [ 51.141369] ? print_irqtrace_events+0x270/0x270 [ 51.141389] ? check_noncircular+0x20/0x20 [ 51.141397] ? task_will_free_mem+0x252/0xaa0 [ 51.141415] ? print_irqtrace_events+0x270/0x270 [ 51.141437] ? ___ratelimit+0x30d/0x630 [ 51.141447] ? lock_downgrade+0x980/0x980 [ 51.141463] ? lock_release+0xa40/0xa40 [ 51.141481] ? mark_held_locks+0xaf/0x100 [ 51.141493] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.141505] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.141515] ? trace_hardirqs_on+0xd/0x10 [ 51.141529] ? ___ratelimit+0x95/0x630 [ 51.141542] ? idr_get_free_cmn+0xfd0/0xfd0 [ 51.141551] ? check_noncircular+0x20/0x20 [ 51.141557] ? find_held_lock+0x138/0x1d0 [ 51.141578] oom_kill_process+0x8b5/0x14a0 [ 51.141595] ? has_ns_capability_noaudit+0x163/0x2a0 [ 51.141608] ? check_noncircular+0x20/0x20 [ 51.141622] ? oom_evaluate_task+0x480/0x480 [ 51.141652] ? security_capable_noaudit+0x8b/0xc0 [ 51.141671] ? find_held_lock+0x35/0x1d0 [ 51.141686] ? check_noncircular+0x20/0x20 [ 51.141697] ? oom_unkillable_task+0x394/0x4c0 [ 51.141708] ? lock_downgrade+0x980/0x980 [ 51.141722] ? lock_release+0xa40/0xa40 [ 51.141731] ? do_try_to_free_pages+0xc53/0x1020 [ 51.141744] ? find_lock_task_mm+0x460/0x460 [ 51.141761] ? find_held_lock+0x35/0x1d0 [ 51.141783] ? out_of_memory+0xb3a/0x1220 [ 51.141794] ? lock_downgrade+0x980/0x980 [ 51.141809] ? lock_release+0xa40/0xa40 [ 51.141815] ? lock_acquire+0x1d5/0x580 [ 51.141826] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 51.141847] ? oom_evaluate_task+0x284/0x480 [ 51.141864] out_of_memory+0x86d/0x1220 [ 51.141892] ? oom_killer_disable+0x310/0x310 [ 51.141898] ? mutex_trylock+0x23a/0x2d0 [ 51.141908] ? __lock_is_held+0xb6/0x140 [ 51.141918] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.141945] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 51.141967] ? trace_hardirqs_on+0xd/0x10 [ 51.142010] ? warn_alloc+0x2b0/0x2b0 [ 51.142019] ? lock_downgrade+0x980/0x980 [ 51.142043] ? radix_tree_lookup_slot+0x99/0xe0 [ 51.142076] ? find_get_entry+0x53c/0x9e0 [ 51.142120] ? __lock_acquire+0x664/0x3e00 [ 51.142151] ? __lock_is_held+0xb6/0x140 [ 51.142185] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.142210] ? __might_sleep+0x95/0x190 [ 51.142227] __alloc_pages_nodemask+0x9fb/0xd80 [ 51.142246] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 51.142257] ? add_to_page_cache_lru+0x510/0x510 [ 51.142277] ? check_noncircular+0x20/0x20 [ 51.142285] ? check_noncircular+0x20/0x20 [ 51.142304] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 51.142346] alloc_pages_current+0xb6/0x1e0 [ 51.142362] __page_cache_alloc+0x334/0x500 [ 51.142372] ? rcu_read_lock_held+0xa9/0xc0 [ 51.142386] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 51.142413] filemap_fault+0xefc/0x1c20 [ 51.142421] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.142447] ? __lock_page_or_retry+0x4f0/0x4f0 [ 51.142468] ? filemap_map_pages+0x942/0x15d0 [ 51.142498] ? find_get_entries_tag+0xeb0/0xeb0 [ 51.142512] ? __lock_acquire+0x664/0x3e00 [ 51.142527] ? check_noncircular+0x20/0x20 [ 51.142533] ? print_irqtrace_events+0x270/0x270 [ 51.142541] ? add_wait_queue+0x290/0x290 [ 51.142556] ? print_irqtrace_events+0x270/0x270 [ 51.142564] ? print_irqtrace_events+0x270/0x270 [ 51.142572] ? print_irqtrace_events+0x270/0x270 [ 51.142582] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.142591] ? free_obj_work+0x690/0x690 [ 51.142606] ? cpumask_local_spread+0x250/0x250 [ 51.142625] ? lock_acquire+0x1d5/0x580 [ 51.142631] ? lock_acquire+0x1d5/0x580 [ 51.142642] ? ext4_filemap_fault+0x7a/0xad [ 51.142654] ? __lock_acquire+0x664/0x3e00 [ 51.142667] ? lock_release+0xa40/0xa40 [ 51.142676] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.142691] ? rcu_note_context_switch+0x710/0x710 [ 51.142708] ? __might_sleep+0x95/0x190 [ 51.142722] ? down_read+0x96/0x150 [ 51.142729] ? ext4_filemap_fault+0x7a/0xad [ 51.142738] ? __down_interruptible+0x6b0/0x6b0 [ 51.142765] ext4_filemap_fault+0x82/0xad [ 51.142777] __do_fault+0xeb/0x30f [ 51.142790] ? pte_offset_kernel+0xc7/0xc7 [ 51.142804] ? do_raw_spin_trylock+0x190/0x190 [ 51.142822] ? check_noncircular+0x20/0x20 [ 51.142841] __handle_mm_fault+0x1d8f/0x3ce0 [ 51.142860] ? __pmd_alloc+0x4e0/0x4e0 [ 51.142872] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.142893] ? find_held_lock+0x35/0x1d0 [ 51.142915] ? handle_mm_fault+0x248/0x8d0 [ 51.142925] ? lock_downgrade+0x980/0x980 [ 51.142975] handle_mm_fault+0x334/0x8d0 [ 51.142982] ? down_read_trylock+0xdb/0x170 [ 51.142990] ? __do_page_fault+0x32d/0xc90 [ 51.143001] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 51.143007] ? vmacache_find+0x5f/0x280 [ 51.143025] ? find_vma+0x30/0x150 [ 51.143040] __do_page_fault+0x5c9/0xc90 [ 51.143063] ? mm_fault_error+0x2c0/0x2c0 [ 51.143072] ? exit_to_usermode_loop+0x8c/0x310 [ 51.143098] do_page_fault+0xee/0x720 [ 51.143107] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 51.143116] ? __do_page_fault+0xc90/0xc90 [ 51.143140] ? syscall_return_slowpath+0x2ad/0x550 [ 51.143150] ? prepare_exit_to_usermode+0x340/0x340 [ 51.143161] ? retint_user+0x18/0x18 [ 51.143174] ? page_fault+0x36/0x60 [ 51.143183] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.143198] ? page_fault+0x36/0x60 [ 51.143210] page_fault+0x4c/0x60 [ 51.143217] RIP: 0033:0x7ffa5f1e1410 [ 51.143221] RSP: 002b:00007ffe0fa32248 EFLAGS: 00010206 [ 51.143228] RAX: 0000000000000000 RBX: 00007ffe0fa329b0 RCX: 00007ffa5f299dd3 [ 51.143233] RDX: 00007ffe0fa32280 RSI: 00007ffe0fa323b0 RDI: 0000000000000011 [ 51.143237] RBP: 00007ffe0fa32b60 R08: 00007ffe0fa32be0 R09: 0000000000000001 [ 51.143242] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 51.143246] R13: 00007ffe0fa32f40 R14: 0000000000000000 R15: 0000000000000000 [ 51.143324] Mem-Info: [ 51.143341] active_anon:1765 inactive_anon:63 isolated_anon:0 [ 51.143341] active_file:28 inactive_file:31 isolated_file:0 [ 51.143341] unevictable:0 dirty:0 writeback:0 unstable:0 [ 51.143341] slab_reclaimable:7519 slab_unreclaimable:81514 [ 51.143341] mapped:41 shmem:70 pagetables:285 bounce:0 [ 51.143341] free:22537 free_pcp:198 free_cma:0 [ 51.143356] Node 0 active_anon:7060kB inactive_anon:252kB active_file:112kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:164kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 51.143359] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.143376] lowmem_reserve[]: 0 2868 6378 6378 [ 51.143391] Node 0 DMA32 free:44264kB min:30320kB low:37900kB high:45480kB active_anon:164kB inactive_anon:0kB active_file:248kB inactive_file:232kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:792kB local_pcp:588kB free_cma:0kB [ 51.143408] lowmem_reserve[]: 0 0 3510 3510 [ 51.143422] Node 0 Normal free:29976kB min:37096kB low:46368kB high:55640kB active_anon:7072kB inactive_anon:252kB active_file:88kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2752kB pagetables:1136kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.143440] lowmem_reserve[]: 0 0 0 0 [ 51.143454] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 51.143516] Node 0 DMA32: 9*4kB (UME) 6*8kB (UME) 9*16kB (UME) 5*32kB (UME) 3*64kB (UE) 6*128kB (ME) 5*256kB (UM) 3*512kB (UME) 3*1024kB (ME) 2*2048kB (ME) 8*4096kB (UM) = 44100kB [ 51.143583] Node 0 Normal: 386*4kB (UM) 508*8kB (UME) 200*16kB (UME) 123*32kB (UME) 55*64kB (UM) 31*128kB (UM) 6*256kB (ME) 2*512kB (UE) 1*1024kB (E) 3*2048kB (M) 0*4096kB = 29960kB [ 51.143652] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.143655] 147 total pagecache pages [ 51.143665] 0 pages in swap cache [ 51.143669] Swap cache stats: add 0, delete 0, find 0/0 [ 51.143672] Free swap = 0kB [ 51.143675] Total swap = 0kB [ 51.143678] 1965979 pages RAM [ 51.143681] 0 pages HighMem/MovableOnly [ 51.143684] 328415 pages reserved [ 51.143688] Unreclaimable slab info: [ 51.143691] Name Used Total [ 51.143698] hashtab_node 118KB 119KB [ 51.143703] ebitmap_node 396KB 401KB [ 51.143710] avtab_node 1012KB 1013KB [ 51.143723] TIPC 1KB 7KB [ 51.143733] SCTPv6 2KB 4KB [ 51.143743] DCCPv6 2KB 7KB [ 51.143750] DCCP 2KB 6KB [ 51.143775] fib6_nodes 0KB 4KB [ 51.143781] ip6_dst_cache 6KB 7KB [ 51.143789] RAWv6 9KB 13KB [ 51.143795] UDPv6 26KB 28KB [ 51.143802] TCPv6 2KB 5KB [ 51.143823] sd_ext_cdb 0KB 3KB [ 51.143828] scsi_sense_cache 168KB 168KB [ 51.143834] virtio_scsi_cmd 16KB 16KB [ 51.143843] sgpool-128 8KB 8KB [ 51.143848] sgpool-64 4KB 6KB [ 51.143853] sgpool-32 149KB 149KB [ 51.143859] sgpool-16 40KB 41KB [ 51.143865] sgpool-8 360KB 360KB [ 51.143872] cfq_io_cq 16KB 19KB [ 51.143877] cfq_queue 27KB 30KB [ 51.143884] mqueue_inode_cache 1KB 7KB [ 51.143913] nfs_commit_data 3KB 7KB [ 51.143919] nfs_write_data 34KB 37KB [ 51.143927] jbd2_inode 1KB 3KB [ 51.143933] ext4_system_zone 0KB 3KB [ 51.143946] bio-1 1KB 3KB [ 51.143959] rpc_buffers 17KB 19KB [ 51.143964] rpc_tasks 2KB 3KB [ 51.143969] UNIX 780KB 784KB [ 51.143978] tcp_bind_bucket 0KB 4KB [ 51.143986] ip_fib_trie 0KB 3KB [ 51.143992] ip_fib_alias 0KB 3KB [ 51.143997] ip_dst_cache 3KB 4KB [ 51.144043] RAW 5KB 7KB [ 51.144049] UDP 29KB 39KB [ 51.144056] TCP 7KB 15KB [ 51.144061] hugetlbfs_inode_cache 1KB 7KB [ 51.144068] eventpoll_pwq 10KB 15KB [ 51.144073] eventpoll_epi 18KB 27KB [ 51.144078] inotify_inode_mark 3KB 11KB [ 51.144085] request_queue 31KB 45KB [ 51.144091] blkdev_ioc 22KB 23KB [ 51.144097] bio-0 510KB 510KB [ 51.144102] biovec-(1<<(21-12)) 651KB 651KB [ 51.144108] biovec-64 236KB 236KB [ 51.144114] biovec-16 33KB 33KB [ 51.144119] bio_integrity_payload 0KB 4KB [ 51.144124] khugepaged_mm_slot 0KB 3KB [ 51.144135] uid_cache 0KB 3KB [ 51.144140] dmaengine-unmap-2 0KB 3KB [ 51.144146] audit_buffer 0KB 3KB [ 51.144151] skbuff_fclone_cache 147KB 150KB [ 51.144157] skbuff_head_cache 1794KB 1796KB [ 51.144162] configfs_dir_cache 0KB 4KB [ 51.144167] file_lock_cache 164KB 166KB [ 51.144173] file_lock_ctx 1KB 3KB [ 51.144178] fsnotify_mark_connector 2KB 7KB [ 51.144185] shmem_inode_cache 1054KB 1054KB [ 51.144191] task_delay_info 320KB 324KB [ 51.144197] taskstats 3KB 3KB [ 51.144203] sigqueue 370KB 374KB [ 51.144209] kernfs_node_cache 2308KB 2311KB [ 51.144215] mnt_cache 15KB 20KB [ 51.144220] filp 8228KB 8707KB [ 51.144226] names_cache 109497KB 109535KB [ 51.144235] avc_node 37KB 43KB [ 51.144240] selinux_file_security 416KB 492KB [ 51.144246] selinux_inode_security 1982KB 1984KB [ 51.144251] key_jar 3KB 7KB [ 51.144257] nsproxy 0KB 3KB [ 51.144263] vm_area_struct 18774KB 18775KB [ 51.144268] mm_struct 4548KB 4554KB [ 51.144274] fs_cache 427KB 432KB [ 51.144279] files_cache 1603KB 1605KB [ 51.144285] signal_cache 2554KB 2558KB [ 51.144290] sighand_cache 215KB 333KB [ 51.144296] task_struct 10902KB 10902KB [ 51.144301] cred_jar 2363KB 2368KB [ 51.144307] anon_vma_chain 7882KB 7882KB [ 51.144312] anon_vma 125KB 327KB [ 51.144318] pid 222KB 244KB [ 51.144323] Acpi-Operand 106KB 170KB [ 51.144332] Acpi-Namespace 19KB 23KB [ 51.144338] numa_policy 0KB 3KB [ 51.144344] debug_objects_cache 520KB 524KB [ 51.144349] trace_event_file 149KB 151KB [ 51.144355] ftrace_event_field 261KB 263KB [ 51.144361] pool_workqueue 24KB 28KB [ 51.144369] page->ptl 3128KB 3130KB [ 51.144395] kmalloc-262144 1032KB 1032KB [ 51.144401] kmalloc-131072 650KB 650KB [ 51.144406] kmalloc-65536 264KB 264KB [ 51.144411] kmalloc-32768 825KB 825KB [ 51.144416] kmalloc-16384 181KB 181KB [ 51.144422] kmalloc-8192 519KB 519KB [ 51.144427] kmalloc-4096 5984KB 6022KB [ 51.144432] kmalloc-2048 3249KB 3251KB [ 51.144438] kmalloc-1024 4504KB 4504KB [ 51.144444] kmalloc-512 2786KB 2790KB [ 51.144449] kmalloc-256 1924KB 2448KB [ 51.144454] kmalloc-128 418KB 531KB [ 51.144460] kmalloc-96 324KB 412KB [ 51.144465] kmalloc-64 719KB 828KB [ 51.144471] kmalloc-32 1869KB 2197KB [ 51.144477] kmalloc-192 205KB 280KB [ 51.144482] kmem_cache 102KB 105KB [ 51.144486] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 51.144514] [ 1842] 0 1842 5385 173 86016 0 -1000 udevd [ 51.144530] [ 3587] 0 3587 4725 49 86016 0 0 cron [ 51.144541] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 51.144552] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 51.144563] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 51.144574] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 51.144585] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 51.144595] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 51.144606] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 51.144616] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 51.144627] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 51.144638] [ 3667] 0 3667 5681 454 86016 0 -1000 udevd [ 51.144649] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 51.144660] [ 3685] 0 3685 17821 196 184320 0 0 sshd [ 51.144672] [ 3687] 0 3687 281 1 32768 0 0 syzkaller025682 [ 51.144692] [ 3692] 0 3692 4376 0 32768 0 0 syzkaller025682 [ 51.144707] [ 3695] 0 3695 4376 0 36864 0 0 syzkaller025682 [ 51.144713] Out of memory: Kill process 3685 (sshd) score 0 or sacrifice child [ 51.145116] Killed process 3687 (syzkaller025682) total-vm:1124kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 51.157334] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 51.157340] init cpuset=/ mems_allowed=0 [ 51.157356] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc9+ #212 [ 51.157361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.157364] Call Trace: [ 51.157380] dump_stack+0x194/0x257 [ 51.157395] ? arch_local_irq_restore+0x53/0x53 [ 51.157408] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.157431] dump_header+0x28c/0xe1e [ 51.157451] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.157466] ? pagefault_out_of_memory+0x152/0x152 [ 51.157474] ? check_noncircular+0x20/0x20 [ 51.157487] ? print_irqtrace_events+0x270/0x270 [ 51.157503] ? __lock_acquire+0x664/0x3e00 [ 51.157517] ? check_noncircular+0x20/0x20 [ 51.157537] ? print_irqtrace_events+0x270/0x270 [ 51.157557] ? check_noncircular+0x20/0x20 [ 51.157565] ? task_will_free_mem+0x252/0xaa0 [ 51.157583] ? print_irqtrace_events+0x270/0x270 [ 51.157604] ? ___ratelimit+0x30d/0x630 [ 51.157615] ? lock_downgrade+0x980/0x980 [ 51.157631] ? lock_release+0xa40/0xa40 [ 51.157648] ? mark_held_locks+0xaf/0x100 [ 51.157661] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.157673] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.157683] ? trace_hardirqs_on+0xd/0x10 [ 51.157697] ? ___ratelimit+0x95/0x630 [ 51.157709] ? idr_get_free_cmn+0xfd0/0xfd0 [ 51.157718] ? check_noncircular+0x20/0x20 [ 51.157724] ? find_held_lock+0x138/0x1d0 [ 51.157745] oom_kill_process+0x8b5/0x14a0 [ 51.157761] ? has_ns_capability_noaudit+0x163/0x2a0 [ 51.157775] ? check_noncircular+0x20/0x20 [ 51.157789] ? oom_evaluate_task+0x480/0x480 [ 51.157820] ? security_capable_noaudit+0x8b/0xc0 [ 51.157838] ? find_held_lock+0x35/0x1d0 [ 51.157853] ? check_noncircular+0x20/0x20 [ 51.157864] ? oom_unkillable_task+0x394/0x4c0 [ 51.157875] ? lock_downgrade+0x980/0x980 [ 51.157894] ? lock_release+0xa40/0xa40 [ 51.157902] ? do_try_to_free_pages+0xc53/0x1020 [ 51.157916] ? find_lock_task_mm+0x460/0x460 [ 51.157933] ? find_held_lock+0x35/0x1d0 [ 51.157954] ? out_of_memory+0xb3a/0x1220 [ 51.157965] ? lock_downgrade+0x980/0x980 [ 51.157980] ? lock_release+0xa40/0xa40 [ 51.157986] ? lock_acquire+0x1d5/0x580 [ 51.157997] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 51.158021] ? oom_evaluate_task+0x284/0x480 [ 51.158039] out_of_memory+0x86d/0x1220 [ 51.158061] ? oom_killer_disable+0x310/0x310 [ 51.158067] ? mutex_trylock+0x23a/0x2d0 [ 51.158078] ? __lock_is_held+0xb6/0x140 [ 51.158087] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.158114] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 51.158136] ? trace_hardirqs_on+0xd/0x10 [ 51.158174] ? warn_alloc+0x2b0/0x2b0 [ 51.158184] ? lock_downgrade+0x980/0x980 [ 51.158207] ? radix_tree_lookup_slot+0x99/0xe0 [ 51.158240] ? find_get_entry+0x53c/0x9e0 [ 51.158284] ? __lock_acquire+0x664/0x3e00 [ 51.158315] ? __lock_is_held+0xb6/0x140 [ 51.158347] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.158372] ? __might_sleep+0x95/0x190 [ 51.158388] __alloc_pages_nodemask+0x9fb/0xd80 [ 51.158407] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 51.158417] ? add_to_page_cache_lru+0x510/0x510 [ 51.158437] ? check_noncircular+0x20/0x20 [ 51.158445] ? check_noncircular+0x20/0x20 [ 51.158464] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 51.158506] alloc_pages_current+0xb6/0x1e0 [ 51.158522] __page_cache_alloc+0x334/0x500 [ 51.158532] ? rcu_read_lock_held+0xa9/0xc0 [ 51.158546] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 51.158572] filemap_fault+0xefc/0x1c20 [ 51.158580] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.158605] ? __lock_page_or_retry+0x4f0/0x4f0 [ 51.158625] ? filemap_map_pages+0x942/0x15d0 [ 51.158655] ? find_get_entries_tag+0xeb0/0xeb0 [ 51.158668] ? __lock_acquire+0x664/0x3e00 [ 51.158683] ? check_noncircular+0x20/0x20 [ 51.158689] ? print_irqtrace_events+0x270/0x270 [ 51.158697] ? add_wait_queue+0x290/0x290 [ 51.158711] ? print_irqtrace_events+0x270/0x270 [ 51.158719] ? print_irqtrace_events+0x270/0x270 [ 51.158727] ? print_irqtrace_events+0x270/0x270 [ 51.158737] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.158746] ? free_obj_work+0x690/0x690 [ 51.158761] ? cpumask_local_spread+0x250/0x250 [ 51.158780] ? lock_acquire+0x1d5/0x580 [ 51.158786] ? lock_acquire+0x1d5/0x580 [ 51.158797] ? ext4_filemap_fault+0x7a/0xad [ 51.158809] ? __lock_acquire+0x664/0x3e00 [ 51.158822] ? lock_release+0xa40/0xa40 [ 51.158830] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.158845] ? rcu_note_context_switch+0x710/0x710 [ 51.158862] ? __might_sleep+0x95/0x190 [ 51.158876] ? down_read+0x96/0x150 [ 51.158883] ? ext4_filemap_fault+0x7a/0xad [ 51.158896] ? __down_interruptible+0x6b0/0x6b0 [ 51.158924] ext4_filemap_fault+0x82/0xad [ 51.158936] __do_fault+0xeb/0x30f [ 51.158949] ? pte_offset_kernel+0xc7/0xc7 [ 51.158963] ? do_raw_spin_trylock+0x190/0x190 [ 51.158981] ? check_noncircular+0x20/0x20 [ 51.159000] __handle_mm_fault+0x1d8f/0x3ce0 [ 51.159019] ? __pmd_alloc+0x4e0/0x4e0 [ 51.159032] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.159045] ? find_held_lock+0x35/0x1d0 [ 51.159067] ? handle_mm_fault+0x248/0x8d0 [ 51.159077] ? lock_downgrade+0x980/0x980 [ 51.159126] handle_mm_fault+0x334/0x8d0 [ 51.159132] ? down_read_trylock+0xdb/0x170 [ 51.159141] ? __do_page_fault+0x32d/0xc90 [ 51.159151] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 51.159157] ? vmacache_find+0x5f/0x280 [ 51.159174] ? find_vma+0x30/0x150 [ 51.159189] __do_page_fault+0x5c9/0xc90 [ 51.159212] ? mm_fault_error+0x2c0/0x2c0 [ 51.159221] ? exit_to_usermode_loop+0x8c/0x310 [ 51.159247] do_page_fault+0xee/0x720 [ 51.159255] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 51.159264] ? __do_page_fault+0xc90/0xc90 [ 51.159288] ? syscall_return_slowpath+0x2ad/0x550 [ 51.159297] ? prepare_exit_to_usermode+0x340/0x340 [ 51.159308] ? retint_user+0x18/0x18 [ 51.159320] ? page_fault+0x36/0x60 [ 51.159329] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.159344] ? page_fault+0x36/0x60 [ 51.159355] page_fault+0x4c/0x60 [ 51.159362] RIP: 0033:0x7ffa5f1e1410 [ 51.159366] RSP: 002b:00007ffe0fa32248 EFLAGS: 00010206 [ 51.159373] RAX: 0000000000000000 RBX: 00007ffe0fa329b0 RCX: 00007ffa5f299dd3 [ 51.159377] RDX: 00007ffe0fa32280 RSI: 00007ffe0fa323b0 RDI: 0000000000000011 [ 51.159382] RBP: 00007ffe0fa32b60 R08: 00007ffe0fa32be0 R09: 0000000000000001 [ 51.159386] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 51.159391] R13: 00007ffe0fa32f40 R14: 0000000000000000 R15: 0000000000000000 [ 51.159464] Mem-Info: [ 51.159481] active_anon:1765 inactive_anon:63 isolated_anon:0 [ 51.159481] active_file:28 inactive_file:25 isolated_file:0 [ 51.159481] unevictable:0 dirty:0 writeback:0 unstable:0 [ 51.159481] slab_reclaimable:7519 slab_unreclaimable:81514 [ 51.159481] mapped:16 shmem:70 pagetables:285 bounce:0 [ 51.159481] free:22537 free_pcp:264 free_cma:0 [ 51.159495] Node 0 active_anon:7060kB inactive_anon:252kB active_file:112kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 51.159498] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.159516] lowmem_reserve[]: 0 2868 6378 6378 [ 51.159530] Node 0 DMA32 free:44264kB min:30320kB low:37900kB high:45480kB active_anon:164kB inactive_anon:0kB active_file:248kB inactive_file:232kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:860kB local_pcp:656kB free_cma:0kB [ 51.159548] lowmem_reserve[]: 0 0 3510 3510 [ 51.159562] Node 0 Normal free:29976kB min:37096kB low:46368kB high:55640kB active_anon:7072kB inactive_anon:252kB active_file:88kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2752kB pagetables:1136kB bounce:0kB free_pcp:196kB local_pcp:196kB free_cma:0kB [ 51.159579] lowmem_reserve[]: 0 0 0 0 [ 51.159592] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 51.159652] Node 0 DMA32: 9*4kB (UME) 6*8kB (UME) 9*16kB (UME) 5*32kB (UME) 3*64kB (UE) 6*128kB (ME) 5*256kB (UM) 3*512kB (UME) 3*1024kB (ME) 2*2048kB (ME) 8*4096kB (UM) = 44100kB [ 51.159719] Node 0 Normal: 355*4kB (UM) 508*8kB (UME) 200*16kB (UME) 124*32kB (UME) 55*64kB (UM) 31*128kB (UM) 6*256kB (ME) 2*512kB (UE) 1*1024kB (E) 3*2048kB (M) 0*4096kB = 29868kB [ 51.159788] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.159791] 122 total pagecache pages [ 51.159801] 0 pages in swap cache [ 51.159805] Swap cache stats: add 0, delete 0, find 0/0 [ 51.159808] Free swap = 0kB [ 51.159811] Total swap = 0kB [ 51.159814] 1965979 pages RAM [ 51.159817] 0 pages HighMem/MovableOnly [ 51.159820] 328415 pages reserved [ 51.159823] Unreclaimable slab info: [ 51.159827] Name Used Total [ 51.159833] hashtab_node 118KB 119KB [ 51.159839] ebitmap_node 396KB 401KB [ 51.159846] avtab_node 1012KB 1013KB [ 51.159858] TIPC 1KB 7KB [ 51.159868] SCTPv6 2KB 4KB [ 51.159878] DCCPv6 2KB 7KB [ 51.159885] DCCP 2KB 6KB [ 51.159914] fib6_nodes 0KB 4KB [ 51.159919] ip6_dst_cache 6KB 7KB [ 51.159927] RAWv6 9KB 13KB [ 51.159933] UDPv6 26KB 28KB [ 51.159940] TCPv6 2KB 5KB [ 51.159959] sd_ext_cdb 0KB 3KB [ 51.159965] scsi_sense_cache 168KB 168KB [ 51.159970] virtio_scsi_cmd 16KB 16KB [ 51.159979] sgpool-128 8KB 8KB [ 51.159985] sgpool-64 4KB 6KB [ 51.159990] sgpool-32 149KB 149KB [ 51.159995] sgpool-16 40KB 41KB [ 51.160004] sgpool-8 360KB 360KB [ 51.160033] cfq_io_cq 16KB 19KB [ 51.160038] cfq_queue 27KB 30KB [ 51.160045] mqueue_inode_cache 1KB 7KB [ 51.160052] nfs_commit_data 3KB 7KB [ 51.160058] nfs_write_data 34KB 37KB [ 51.160065] jbd2_inode 1KB 3KB [ 51.160071] ext4_system_zone 0KB 3KB [ 51.160084] bio-1 1KB 3KB [ 51.160097] rpc_buffers 17KB 19KB [ 51.160102] rpc_tasks 2KB 3KB [ 51.160108] UNIX 780KB 784KB [ 51.160116] tcp_bind_bucket 0KB 4KB [ 51.160124] ip_fib_trie 0KB 3KB [ 51.160129] ip_fib_alias 0KB 3KB [ 51.160135] ip_dst_cache 3KB 4KB [ 51.160141] RAW 5KB 7KB [ 51.160146] UDP 29KB 39KB [ 51.160154] TCP 7KB 15KB [ 51.160159] hugetlbfs_inode_cache 1KB 7KB [ 51.160166] eventpoll_pwq 10KB 15KB [ 51.160171] eventpoll_epi 18KB 27KB [ 51.160177] inotify_inode_mark 3KB 11KB [ 51.160183] request_queue 31KB 45KB [ 51.160189] blkdev_ioc 22KB 23KB [ 51.160194] bio-0 510KB 510KB [ 51.160200] biovec-(1<<(21-12)) 651KB 651KB [ 51.160206] biovec-64 236KB 236KB [ 51.160212] biovec-16 33KB 33KB [ 51.160217] bio_integrity_payload 0KB 4KB [ 51.160222] khugepaged_mm_slot 0KB 3KB [ 51.160232] uid_cache 0KB 3KB [ 51.160237] dmaengine-unmap-2 0KB 3KB [ 51.160242] audit_buffer 0KB 3KB [ 51.160248] skbuff_fclone_cache 147KB 150KB [ 51.160253] skbuff_head_cache 1794KB 1796KB [ 51.160259] configfs_dir_cache 0KB 4KB [ 51.160264] file_lock_cache 164KB 166KB [ 51.160269] file_lock_ctx 1KB 3KB [ 51.160275] fsnotify_mark_connector 2KB 7KB [ 51.160282] shmem_inode_cache 1054KB 1054KB [ 51.160287] task_delay_info 320KB 324KB [ 51.160292] taskstats 3KB 3KB [ 51.160298] sigqueue 370KB 374KB [ 51.160304] kernfs_node_cache 2308KB 2311KB [ 51.160309] mnt_cache 15KB 20KB [ 51.160314] filp 8228KB 8707KB [ 51.160320] names_cache 109497KB 109535KB [ 51.160329] avc_node 37KB 43KB [ 51.160335] selinux_file_security 416KB 492KB [ 51.160340] selinux_inode_security 1982KB 1984KB [ 51.160345] key_jar 3KB 7KB [ 51.160351] nsproxy 0KB 3KB [ 51.160357] vm_area_struct 18774KB 18775KB [ 51.160362] mm_struct 4548KB 4554KB [ 51.160368] fs_cache 427KB 432KB [ 51.160373] files_cache 1603KB 1605KB [ 51.160379] signal_cache 2554KB 2558KB [ 51.160384] sighand_cache 215KB 333KB [ 51.160390] task_struct 10902KB 10902KB [ 51.160395] cred_jar 2363KB 2368KB [ 51.160400] anon_vma_chain 7882KB 7882KB [ 51.160406] anon_vma 125KB 327KB [ 51.160411] pid 222KB 244KB [ 51.160417] Acpi-Operand 106KB 170KB [ 51.160426] Acpi-Namespace 19KB 23KB [ 51.160432] numa_policy 0KB 3KB [ 51.160437] debug_objects_cache 520KB 524KB [ 51.160442] trace_event_file 149KB 151KB [ 51.160448] ftrace_event_field 261KB 263KB [ 51.160454] pool_workqueue 24KB 28KB [ 51.160460] page->ptl 3128KB 3130KB [ 51.160488] kmalloc-262144 1032KB 1032KB [ 51.160494] kmalloc-131072 650KB 650KB [ 51.160499] kmalloc-65536 264KB 264KB [ 51.160504] kmalloc-32768 825KB 825KB [ 51.160510] kmalloc-16384 181KB 181KB [ 51.160515] kmalloc-8192 519KB 519KB [ 51.160520] kmalloc-4096 5984KB 6022KB [ 51.160525] kmalloc-2048 3249KB 3251KB [ 51.160530] kmalloc-1024 4504KB 4504KB [ 51.160536] kmalloc-512 2786KB 2790KB [ 51.160541] kmalloc-256 1924KB 2448KB [ 51.160547] kmalloc-128 418KB 531KB [ 51.160552] kmalloc-96 324KB 412KB [ 51.160557] kmalloc-64 719KB 828KB [ 51.160562] kmalloc-32 1869KB 2197KB [ 51.160568] kmalloc-192 205KB 280KB [ 51.160574] kmem_cache 102KB 105KB [ 51.160578] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 51.160605] [ 1842] 0 1842 5385 173 86016 0 -1000 udevd [ 51.160621] [ 3587] 0 3587 4725 49 86016 0 0 cron [ 51.160632] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 51.160643] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 51.160653] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 51.160664] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 51.160675] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 51.160685] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 51.160696] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 51.160706] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 51.160717] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 51.160728] [ 3667] 0 3667 5681 454 86016 0 -1000 udevd [ 51.160739] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 51.160749] [ 3685] 0 3685 17821 196 184320 0 0 sshd [ 51.160771] [ 3692] 0 3692 4376 0 32768 0 0 syzkaller025682 [ 51.160785] [ 3695] 0 3695 4376 0 36864 0 0 syzkaller025682 [ 51.160791] Out of memory: Kill process 3685 (sshd) score 0 or sacrifice child [ 51.160813] Killed process 3685 (sshd) total-vm:71284kB, anon-rss:780kB, file-rss:0kB, shmem-rss:4kB [ 51.166174] oom_reaper: reaped process 3685 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB [ 51.167756] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 51.167761] init cpuset=/ mems_allowed=0 [ 51.167778] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc9+ #212 [ 51.167783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.167785] Call Trace: [ 51.167801] dump_stack+0x194/0x257 [ 51.167816] ? arch_local_irq_restore+0x53/0x53 [ 51.167829] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.167853] dump_header+0x28c/0xe1e [ 51.167872] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.167891] ? pagefault_out_of_memory+0x152/0x152 [ 51.167919] ? __lock_acquire+0x664/0x3e00 [ 51.167934] ? check_noncircular+0x20/0x20 [ 51.167955] ? print_irqtrace_events+0x270/0x270 [ 51.167975] ? check_noncircular+0x20/0x20 [ 51.167983] ? task_will_free_mem+0x252/0xaa0 [ 51.168004] ? print_irqtrace_events+0x270/0x270 [ 51.168027] ? ___ratelimit+0x30d/0x630 [ 51.168038] ? lock_downgrade+0x980/0x980 [ 51.168054] ? lock_release+0xa40/0xa40 [ 51.168071] ? mark_held_locks+0xaf/0x100 [ 51.168083] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.168096] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.168107] ? trace_hardirqs_on+0xd/0x10 [ 51.168120] ? ___ratelimit+0x95/0x630 [ 51.168132] ? idr_get_free_cmn+0xfd0/0xfd0 [ 51.168143] ? find_held_lock+0x138/0x1d0 [ 51.168164] oom_kill_process+0x8b5/0x14a0 [ 51.168175] ? lock_downgrade+0x980/0x980 [ 51.168185] ? lock_release+0xa40/0xa40 [ 51.168198] ? check_noncircular+0x20/0x20 [ 51.168206] ? find_held_lock+0x35/0x1d0 [ 51.168217] ? oom_evaluate_task+0x480/0x480 [ 51.168232] ? oom_badness+0x21b/0x980 [ 51.168243] ? lock_downgrade+0x980/0x980 [ 51.168253] ? find_lock_task_mm+0x23b/0x460 [ 51.168269] ? find_held_lock+0x35/0x1d0 [ 51.168284] ? check_noncircular+0x20/0x20 [ 51.168295] ? oom_unkillable_task+0x394/0x4c0 [ 51.168306] ? lock_downgrade+0x980/0x980 [ 51.168320] ? lock_release+0xa40/0xa40 [ 51.168328] ? do_try_to_free_pages+0xc53/0x1020 [ 51.168340] ? find_lock_task_mm+0x460/0x460 [ 51.168357] ? find_held_lock+0x35/0x1d0 [ 51.168378] ? out_of_memory+0xb3a/0x1220 [ 51.168389] ? lock_downgrade+0x980/0x980 [ 51.168403] ? lock_release+0xa40/0xa40 [ 51.168409] ? lock_acquire+0x1d5/0x580 [ 51.168420] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 51.168441] ? oom_evaluate_task+0x284/0x480 [ 51.168458] out_of_memory+0x86d/0x1220 [ 51.168481] ? oom_killer_disable+0x310/0x310 [ 51.168487] ? mutex_trylock+0x23a/0x2d0 [ 51.168497] ? __lock_is_held+0xb6/0x140 [ 51.168506] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.168534] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 51.168555] ? trace_hardirqs_on+0xd/0x10 [ 51.168594] ? warn_alloc+0x2b0/0x2b0 [ 51.168602] ? lock_downgrade+0x980/0x980 [ 51.168626] ? radix_tree_lookup_slot+0x99/0xe0 [ 51.168659] ? find_get_entry+0x53c/0x9e0 [ 51.168703] ? __lock_acquire+0x664/0x3e00 [ 51.168734] ? __lock_is_held+0xb6/0x140 [ 51.168767] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.168792] ? __might_sleep+0x95/0x190 [ 51.168809] __alloc_pages_nodemask+0x9fb/0xd80 [ 51.168828] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 51.168839] ? add_to_page_cache_lru+0x510/0x510 [ 51.168859] ? check_noncircular+0x20/0x20 [ 51.168866] ? check_noncircular+0x20/0x20 [ 51.168890] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 51.168933] alloc_pages_current+0xb6/0x1e0 [ 51.168950] __page_cache_alloc+0x334/0x500 [ 51.168959] ? rcu_read_lock_held+0xa9/0xc0 [ 51.168973] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 51.168999] filemap_fault+0xefc/0x1c20 [ 51.169008] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.169034] ? __lock_page_or_retry+0x4f0/0x4f0 [ 51.169056] ? filemap_map_pages+0x942/0x15d0 [ 51.169085] ? find_get_entries_tag+0xeb0/0xeb0 [ 51.169098] ? __lock_acquire+0x664/0x3e00 [ 51.169113] ? check_noncircular+0x20/0x20 [ 51.169119] ? print_irqtrace_events+0x270/0x270 [ 51.169127] ? add_wait_queue+0x290/0x290 [ 51.169142] ? print_irqtrace_events+0x270/0x270 [ 51.169150] ? print_irqtrace_events+0x270/0x270 [ 51.169158] ? print_irqtrace_events+0x270/0x270 [ 51.169168] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.169177] ? free_obj_work+0x690/0x690 [ 51.169192] ? cpumask_local_spread+0x250/0x250 [ 51.169210] ? lock_acquire+0x1d5/0x580 [ 51.169217] ? lock_acquire+0x1d5/0x580 [ 51.169227] ? ext4_filemap_fault+0x7a/0xad [ 51.169239] ? __lock_acquire+0x664/0x3e00 [ 51.169253] ? lock_release+0xa40/0xa40 [ 51.169261] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.169275] ? rcu_note_context_switch+0x710/0x710 [ 51.169293] ? __might_sleep+0x95/0x190 [ 51.169306] ? down_read+0x96/0x150 [ 51.169313] ? ext4_filemap_fault+0x7a/0xad [ 51.169322] ? __down_interruptible+0x6b0/0x6b0 [ 51.169348] ext4_filemap_fault+0x82/0xad [ 51.169360] __do_fault+0xeb/0x30f [ 51.169374] ? pte_offset_kernel+0xc7/0xc7 [ 51.169387] ? do_raw_spin_trylock+0x190/0x190 [ 51.169403] ? check_noncircular+0x20/0x20 [ 51.169422] __handle_mm_fault+0x1d8f/0x3ce0 [ 51.169441] ? __pmd_alloc+0x4e0/0x4e0 [ 51.169453] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.169467] ? find_held_lock+0x35/0x1d0 [ 51.169489] ? handle_mm_fault+0x248/0x8d0 [ 51.169500] ? lock_downgrade+0x980/0x980 [ 51.169548] handle_mm_fault+0x334/0x8d0 [ 51.169554] ? down_read_trylock+0xdb/0x170 [ 51.169563] ? __do_page_fault+0x32d/0xc90 [ 51.169573] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 51.169579] ? vmacache_find+0x5f/0x280 [ 51.169596] ? find_vma+0x30/0x150 [ 51.169610] __do_page_fault+0x5c9/0xc90 [ 51.169632] ? mm_fault_error+0x2c0/0x2c0 [ 51.169641] ? exit_to_usermode_loop+0x8c/0x310 [ 51.169667] do_page_fault+0xee/0x720 [ 51.169676] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 51.169685] ? __do_page_fault+0xc90/0xc90 [ 51.169708] ? syscall_return_slowpath+0x2ad/0x550 [ 51.169717] ? prepare_exit_to_usermode+0x340/0x340 [ 51.169727] ? retint_user+0x18/0x18 [ 51.169739] ? page_fault+0x36/0x60 [ 51.169749] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.169764] ? page_fault+0x36/0x60 [ 51.169775] page_fault+0x4c/0x60 [ 51.169782] RIP: 0033:0x7ffa5f1e1410 [ 51.169786] RSP: 002b:00007ffe0fa32248 EFLAGS: 00010206 [ 51.169793] RAX: 0000000000000000 RBX: 00007ffe0fa329b0 RCX: 00007ffa5f299dd3 [ 51.169797] RDX: 00007ffe0fa32280 RSI: 00007ffe0fa323b0 RDI: 0000000000000011 [ 51.169802] RBP: 00007ffe0fa32b60 R08: 00007ffe0fa32be0 R09: 0000000000000001 [ 51.169806] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 51.169811] R13: 00007ffe0fa32f40 R14: 0000000000000000 R15: 0000000000000000 [ 51.169890] Mem-Info: [ 51.169907] active_anon:1565 inactive_anon:63 isolated_anon:0 [ 51.169907] active_file:28 inactive_file:0 isolated_file:0 [ 51.169907] unevictable:0 dirty:0 writeback:0 unstable:0 [ 51.169907] slab_reclaimable:7519 slab_unreclaimable:81514 [ 51.169907] mapped:16 shmem:70 pagetables:285 bounce:0 [ 51.169907] free:22537 free_pcp:398 free_cma:0 [ 51.169921] Node 0 active_anon:6260kB inactive_anon:252kB active_file:112kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 51.169924] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.169942] lowmem_reserve[]: 0 2868 6378 6378 [ 51.169957] Node 0 DMA32 free:44264kB min:30320kB low:37900kB high:45480kB active_anon:164kB inactive_anon:0kB active_file:248kB inactive_file:232kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:860kB local_pcp:656kB free_cma:0kB [ 51.169974] lowmem_reserve[]: 0 0 3510 3510 [ 51.169988] Node 0 Normal free:29976kB min:37096kB low:46368kB high:55640kB active_anon:6568kB inactive_anon:252kB active_file:88kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2752kB pagetables:1136kB bounce:0kB free_pcp:732kB local_pcp:732kB free_cma:0kB [ 51.170029] lowmem_reserve[]: 0 0 0 0 [ 51.170043] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 51.170103] Node 0 DMA32: 9*4kB (UME) 6*8kB (UME) 9*16kB (UME) 5*32kB (UME) 3*64kB (UE) 6*128kB (ME) 5*256kB (UM) 3*512kB (UME) 3*1024kB (ME) 2*2048kB (ME) 8*4096kB (UM) = 44100kB [ 51.170169] Node 0 Normal: 391*4kB (UM) 501*8kB (UME) 200*16kB (UME) 123*32kB (UME) 56*64kB (UM) 32*128kB (UM) 6*256kB (ME) 2*512kB (UE) 1*1024kB (E) 3*2048kB (M) 0*4096kB = 30116kB [ 51.170237] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.170240] 122 total pagecache pages [ 51.170250] 0 pages in swap cache [ 51.170254] Swap cache stats: add 0, delete 0, find 0/0 [ 51.170257] Free swap = 0kB [ 51.170260] Total swap = 0kB [ 51.170263] 1965979 pages RAM [ 51.170266] 0 pages HighMem/MovableOnly [ 51.170269] 328415 pages reserved [ 51.170273] Unreclaimable slab info: [ 51.170276] Name Used Total [ 51.170283] hashtab_node 118KB 119KB [ 51.170289] ebitmap_node 396KB 401KB [ 51.170296] avtab_node 1012KB 1013KB [ 51.170308] TIPC 1KB 7KB [ 51.170318] SCTPv6 2KB 4KB [ 51.170328] DCCPv6 2KB 7KB [ 51.170335] DCCP 2KB 6KB [ 51.170360] fib6_nodes 0KB 4KB [ 51.170366] ip6_dst_cache 6KB 7KB [ 51.170373] RAWv6 9KB 13KB [ 51.170379] UDPv6 26KB 28KB [ 51.170386] TCPv6 2KB 5KB [ 51.170406] sd_ext_cdb 0KB 3KB [ 51.170412] scsi_sense_cache 168KB 168KB [ 51.170417] virtio_scsi_cmd 16KB 16KB [ 51.170426] sgpool-128 8KB 8KB [ 51.170431] sgpool-64 4KB 6KB [ 51.170436] sgpool-32 149KB 149KB [ 51.170441] sgpool-16 40KB 41KB [ 51.170447] sgpool-8 360KB 360KB [ 51.170454] cfq_io_cq 16KB 19KB [ 51.170460] cfq_queue 27KB 30KB [ 51.170467] mqueue_inode_cache 1KB 7KB [ 51.170474] nfs_commit_data 3KB 7KB [ 51.170479] nfs_write_data 34KB 37KB [ 51.170486] jbd2_inode 1KB 3KB [ 51.170492] ext4_system_zone 0KB 3KB [ 51.170506] bio-1 1KB 3KB [ 51.170519] rpc_buffers 17KB 19KB [ 51.170524] rpc_tasks 2KB 3KB [ 51.170530] UNIX 780KB 784KB [ 51.170538] tcp_bind_bucket 0KB 4KB [ 51.170546] ip_fib_trie 0KB 3KB [ 51.170551] ip_fib_alias 0KB 3KB [ 51.170556] ip_dst_cache 3KB 4KB [ 51.170563] RAW 5KB 7KB [ 51.170568] UDP 29KB 39KB [ 51.170576] TCP 7KB 15KB [ 51.170581] hugetlbfs_inode_cache 1KB 7KB [ 51.170588] eventpoll_pwq 10KB 15KB [ 51.170593] eventpoll_epi 18KB 27KB [ 51.170598] inotify_inode_mark 3KB 11KB [ 51.170605] request_queue 31KB 45KB [ 51.170611] blkdev_ioc 22KB 23KB [ 51.170616] bio-0 510KB 510KB [ 51.170622] biovec-(1<<(21-12)) 651KB 651KB [ 51.170629] biovec-64 236KB 236KB [ 51.170634] biovec-16 33KB 33KB [ 51.170639] bio_integrity_payload 0KB 4KB [ 51.170645] khugepaged_mm_slot 0KB 3KB [ 51.170654] uid_cache 0KB 3KB [ 51.170659] dmaengine-unmap-2 0KB 3KB [ 51.170665] audit_buffer 0KB 3KB [ 51.170671] skbuff_fclone_cache 147KB 150KB [ 51.170676] skbuff_head_cache 1794KB 1796KB [ 51.170681] configfs_dir_cache 0KB 4KB [ 51.170687] file_lock_cache 164KB 166KB [ 51.170693] file_lock_ctx 1KB 3KB [ 51.170698] fsnotify_mark_connector 2KB 7KB [ 51.170706] shmem_inode_cache 1054KB 1054KB [ 51.170711] task_delay_info 320KB 324KB [ 51.170717] taskstats 3KB 3KB [ 51.170722] sigqueue 370KB 374KB [ 51.170728] kernfs_node_cache 2308KB 2311KB [ 51.170734] mnt_cache 15KB 20KB [ 51.170739] filp 8228KB 8707KB [ 51.170745] names_cache 109497KB 109535KB [ 51.170754] avc_node 37KB 43KB [ 51.170759] selinux_file_security 416KB 492KB [ 51.170765] selinux_inode_security 1982KB 1984KB [ 51.170770] key_jar 3KB 7KB [ 51.170776] nsproxy 0KB 3KB [ 51.170781] vm_area_struct 18774KB 18775KB [ 51.170787] mm_struct 4548KB 4554KB [ 51.170793] fs_cache 427KB 432KB [ 51.170798] files_cache 1603KB 1605KB [ 51.170803] signal_cache 2554KB 2558KB [ 51.170809] sighand_cache 215KB 333KB [ 51.170814] task_struct 10902KB 10902KB [ 51.170820] cred_jar 2363KB 2368KB [ 51.170825] anon_vma_chain 7882KB 7882KB [ 51.170831] anon_vma 125KB 327KB [ 51.170836] pid 222KB 244KB [ 51.170842] Acpi-Operand 106KB 170KB [ 51.170851] Acpi-Namespace 19KB 23KB [ 51.170856] numa_policy 0KB 3KB [ 51.170862] debug_objects_cache 520KB 524KB [ 51.170867] trace_event_file 149KB 151KB [ 51.170872] ftrace_event_field 261KB 263KB [ 51.170878] pool_workqueue 24KB 28KB [ 51.170889] page->ptl 3128KB 3130KB [ 51.170915] kmalloc-262144 1032KB 1032KB [ 51.170920] kmalloc-131072 650KB 650KB [ 51.170925] kmalloc-65536 264KB 264KB [ 51.170930] kmalloc-32768 825KB 825KB [ 51.170935] kmalloc-16384 181KB 181KB [ 51.170940] kmalloc-8192 519KB 519KB [ 51.170946] kmalloc-4096 5984KB 6022KB [ 51.170951] kmalloc-2048 3249KB 3251KB [ 51.170956] kmalloc-1024 4504KB 4504KB [ 51.170962] kmalloc-512 2786KB 2790KB [ 51.170967] kmalloc-256 1924KB 2448KB [ 51.170972] kmalloc-128 418KB 531KB [ 51.170977] kmalloc-96 324KB 412KB [ 51.170983] kmalloc-64 719KB 828KB [ 51.170988] kmalloc-32 1869KB 2197KB [ 51.170993] kmalloc-192 205KB 280KB [ 51.170998] kmem_cache 102KB 105KB [ 51.171029] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 51.171054] [ 1842] 0 1842 5385 173 86016 0 -1000 udevd [ 51.171069] [ 3587] 0 3587 4725 49 86016 0 0 cron [ 51.171080] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 51.171090] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 51.171101] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 51.171111] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 51.171122] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 51.171132] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 51.171142] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 51.171152] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 51.171163] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 51.171173] [ 3667] 0 3667 5681 454 86016 0 -1000 udevd [ 51.171184] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 51.171195] [ 3685] 0 3685 17821 1 184320 0 0 sshd [ 51.171218] [ 3692] 0 3692 4376 0 32768 0 0 syzkaller025682 [ 51.171232] [ 3695] 0 3695 4376 0 36864 0 0 syzkaller025682 [ 51.171237] Out of memory: Kill process 3587 (cron) score 0 or sacrifice child [ 51.171259] Killed process 3587 (cron) total-vm:18900kB, anon-rss:196kB, file-rss:0kB, shmem-rss:0kB [ 51.176232] oom_reaper: reaped process 3587 (cron), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 51.177783] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 51.177789] init cpuset=/ mems_allowed=0 [ 51.177805] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc9+ #212 [ 51.177809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.177812] Call Trace: [ 51.177828] dump_stack+0x194/0x257 [ 51.177843] ? arch_local_irq_restore+0x53/0x53 [ 51.177856] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.177879] dump_header+0x28c/0xe1e [ 51.177903] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.177918] ? pagefault_out_of_memory+0x152/0x152 [ 51.177945] ? __lock_acquire+0x664/0x3e00 [ 51.177960] ? check_noncircular+0x20/0x20 [ 51.177981] ? print_irqtrace_events+0x270/0x270 [ 51.178006] ? check_noncircular+0x20/0x20 [ 51.178014] ? task_will_free_mem+0x252/0xaa0 [ 51.178032] ? print_irqtrace_events+0x270/0x270 [ 51.178054] ? ___ratelimit+0x30d/0x630 [ 51.178064] ? lock_downgrade+0x980/0x980 [ 51.178080] ? lock_release+0xa40/0xa40 [ 51.178097] ? mark_held_locks+0xaf/0x100 [ 51.178109] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.178121] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.178132] ? trace_hardirqs_on+0xd/0x10 [ 51.178146] ? ___ratelimit+0x95/0x630 [ 51.178158] ? idr_get_free_cmn+0xfd0/0xfd0 [ 51.178168] ? find_held_lock+0x138/0x1d0 [ 51.178190] oom_kill_process+0x8b5/0x14a0 [ 51.178200] ? lock_downgrade+0x980/0x980 [ 51.178211] ? lock_release+0xa40/0xa40 [ 51.178222] ? check_noncircular+0x20/0x20 [ 51.178231] ? find_held_lock+0x35/0x1d0 [ 51.178241] ? oom_evaluate_task+0x480/0x480 [ 51.178257] ? oom_badness+0x21b/0x980 [ 51.178268] ? lock_downgrade+0x980/0x980 [ 51.178279] ? find_lock_task_mm+0x23b/0x460 [ 51.178296] ? find_held_lock+0x35/0x1d0 [ 51.178311] ? check_noncircular+0x20/0x20 [ 51.178322] ? oom_unkillable_task+0x394/0x4c0 [ 51.178333] ? lock_downgrade+0x980/0x980 [ 51.178347] ? lock_release+0xa40/0xa40 [ 51.178355] ? do_try_to_free_pages+0xc53/0x1020 [ 51.178368] ? find_lock_task_mm+0x460/0x460 [ 51.178385] ? find_held_lock+0x35/0x1d0 [ 51.178407] ? out_of_memory+0xb3a/0x1220 [ 51.178417] ? lock_downgrade+0x980/0x980 [ 51.178432] ? lock_release+0xa40/0xa40 [ 51.178438] ? lock_acquire+0x1d5/0x580 [ 51.178449] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 51.178470] ? oom_evaluate_task+0x284/0x480 [ 51.178487] out_of_memory+0x86d/0x1220 [ 51.178510] ? oom_killer_disable+0x310/0x310 [ 51.178516] ? mutex_trylock+0x23a/0x2d0 [ 51.178526] ? __lock_is_held+0xb6/0x140 [ 51.178535] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.178563] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 51.178585] ? trace_hardirqs_on+0xd/0x10 [ 51.178624] ? warn_alloc+0x2b0/0x2b0 [ 51.178633] ? lock_downgrade+0x980/0x980 [ 51.178657] ? radix_tree_lookup_slot+0x99/0xe0 [ 51.178689] ? find_get_entry+0x53c/0x9e0 [ 51.178732] ? __lock_acquire+0x664/0x3e00 [ 51.178763] ? __lock_is_held+0xb6/0x140 [ 51.178796] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.178822] ? __might_sleep+0x95/0x190 [ 51.178838] __alloc_pages_nodemask+0x9fb/0xd80 [ 51.178858] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 51.178868] ? add_to_page_cache_lru+0x510/0x510 [ 51.178892] ? check_noncircular+0x20/0x20 [ 51.178900] ? check_noncircular+0x20/0x20 [ 51.178920] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 51.178962] alloc_pages_current+0xb6/0x1e0 [ 51.178979] __page_cache_alloc+0x334/0x500 [ 51.178989] ? rcu_read_lock_held+0xa9/0xc0 [ 51.179003] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 51.179030] filemap_fault+0xefc/0x1c20 [ 51.179039] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.179064] ? __lock_page_or_retry+0x4f0/0x4f0 [ 51.179086] ? filemap_map_pages+0x942/0x15d0 [ 51.179115] ? find_get_entries_tag+0xeb0/0xeb0 [ 51.179128] ? __lock_acquire+0x664/0x3e00 [ 51.179143] ? check_noncircular+0x20/0x20 [ 51.179150] ? print_irqtrace_events+0x270/0x270 [ 51.179157] ? add_wait_queue+0x290/0x290 [ 51.179172] ? print_irqtrace_events+0x270/0x270 [ 51.179180] ? print_irqtrace_events+0x270/0x270 [ 51.179188] ? print_irqtrace_events+0x270/0x270 [ 51.179198] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.179209] ? free_obj_work+0x690/0x690 [ 51.179223] ? cpumask_local_spread+0x250/0x250 [ 51.179243] ? lock_acquire+0x1d5/0x580 [ 51.179249] ? lock_acquire+0x1d5/0x580 [ 51.179259] ? ext4_filemap_fault+0x7a/0xad [ 51.179271] ? __lock_acquire+0x664/0x3e00 [ 51.179284] ? lock_release+0xa40/0xa40 [ 51.179292] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.179308] ? rcu_note_context_switch+0x710/0x710 [ 51.179324] ? __might_sleep+0x95/0x190 [ 51.179338] ? down_read+0x96/0x150 [ 51.179345] ? ext4_filemap_fault+0x7a/0xad [ 51.179353] ? __down_interruptible+0x6b0/0x6b0 [ 51.179381] ext4_filemap_fault+0x82/0xad [ 51.179392] __do_fault+0xeb/0x30f [ 51.179406] ? pte_offset_kernel+0xc7/0xc7 [ 51.179419] ? do_raw_spin_trylock+0x190/0x190 [ 51.179436] ? check_noncircular+0x20/0x20 [ 51.179456] __handle_mm_fault+0x1d8f/0x3ce0 [ 51.179475] ? __pmd_alloc+0x4e0/0x4e0 [ 51.179487] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.179502] ? find_held_lock+0x35/0x1d0 [ 51.179523] ? handle_mm_fault+0x248/0x8d0 [ 51.179533] ? lock_downgrade+0x980/0x980 [ 51.179583] handle_mm_fault+0x334/0x8d0 [ 51.179589] ? down_read_trylock+0xdb/0x170 [ 51.179597] ? __do_page_fault+0x32d/0xc90 [ 51.179608] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 51.179614] ? vmacache_find+0x5f/0x280 [ 51.179631] ? find_vma+0x30/0x150 [ 51.179646] __do_page_fault+0x5c9/0xc90 [ 51.179668] ? mm_fault_error+0x2c0/0x2c0 [ 51.179677] ? exit_to_usermode_loop+0x8c/0x310 [ 51.179702] do_page_fault+0xee/0x720 [ 51.179711] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 51.179720] ? __do_page_fault+0xc90/0xc90 [ 51.179744] ? syscall_return_slowpath+0x2ad/0x550 [ 51.179754] ? prepare_exit_to_usermode+0x340/0x340 [ 51.179764] ? retint_user+0x18/0x18 [ 51.179776] ? page_fault+0x36/0x60 [ 51.179786] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.179800] ? page_fault+0x36/0x60 [ 51.179812] page_fault+0x4c/0x60 [ 51.179819] RIP: 0033:0x7ffa5f1e1410 [ 51.179823] RSP: 002b:00007ffe0fa32248 EFLAGS: 00010206 [ 51.179830] RAX: 0000000000000000 RBX: 00007ffe0fa329b0 RCX: 00007ffa5f299dd3 [ 51.179834] RDX: 00007ffe0fa32280 RSI: 00007ffe0fa323b0 RDI: 0000000000000011 [ 51.179839] RBP: 00007ffe0fa32b60 R08: 00007ffe0fa32be0 R09: 0000000000000001 [ 51.179843] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 51.179848] R13: 00007ffe0fa32f40 R14: 0000000000000000 R15: 0000000000000000 [ 51.179927] Mem-Info: [ 51.179944] active_anon:1515 inactive_anon:63 isolated_anon:0 [ 51.179944] active_file:28 inactive_file:0 isolated_file:0 [ 51.179944] unevictable:0 dirty:0 writeback:0 unstable:0 [ 51.179944] slab_reclaimable:7519 slab_unreclaimable:81514 [ 51.179944] mapped:16 shmem:70 pagetables:285 bounce:0 [ 51.179944] free:22537 free_pcp:387 free_cma:0 [ 51.179957] Node 0 active_anon:6060kB inactive_anon:252kB active_file:112kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 51.179960] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.179977] lowmem_reserve[]: 0 2868 6378 6378 [ 51.179992] Node 0 DMA32 free:44264kB min:30320kB low:37900kB high:45480kB active_anon:164kB inactive_anon:0kB active_file:248kB inactive_file:232kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:860kB local_pcp:656kB free_cma:0kB [ 51.180035] lowmem_reserve[]: 0 0 3510 3510 [ 51.180049] Node 0 Normal free:29976kB min:37096kB low:46368kB high:55640kB active_anon:6064kB inactive_anon:252kB active_file:88kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2752kB pagetables:1136kB bounce:0kB free_pcp:688kB local_pcp:688kB free_cma:0kB [ 51.180066] lowmem_reserve[]: 0 0 0 0 [ 51.180080] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 51.180141] Node 0 DMA32: 9*4kB (UME) 6*8kB (UME) 9*16kB (UME) 5*32kB (UME) 3*64kB (UE) 6*128kB (ME) 5*256kB (UM) 3*512kB (UME) 3*1024kB (ME) 2*2048kB (ME) 8*4096kB (UM) = 44100kB [ 51.180208] Node 0 Normal: 407*4kB (UM) 490*8kB (UME) 199*16kB (UME) 124*32kB (UME) 54*64kB (UM) 33*128kB (UM) 7*256kB (ME) 2*512kB (UE) 1*1024kB (E) 3*2048kB (M) 0*4096kB = 30364kB [ 51.180277] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.180280] 122 total pagecache pages [ 51.180290] 0 pages in swap cache [ 51.180295] Swap cache stats: add 0, delete 0, find 0/0 [ 51.180297] Free swap = 0kB [ 51.180300] Total swap = 0kB [ 51.180303] 1965979 pages RAM [ 51.180306] 0 pages HighMem/MovableOnly [ 51.180309] 328415 pages reserved [ 51.180312] Unreclaimable slab info: [ 51.180316] Name Used Total [ 51.180322] hashtab_node 118KB 119KB [ 51.180328] ebitmap_node 396KB 401KB [ 51.180334] avtab_node 1012KB 1013KB [ 51.180347] TIPC 1KB 7KB [ 51.180356] SCTPv6 2KB 4KB [ 51.180366] DCCPv6 2KB 7KB [ 51.180374] DCCP 2KB 6KB [ 51.180399] fib6_nodes 0KB 4KB [ 51.180405] ip6_dst_cache 6KB 7KB [ 51.180413] RAWv6 9KB 13KB [ 51.180419] UDPv6 26KB 28KB [ 51.180425] TCPv6 2KB 5KB [ 51.180446] sd_ext_cdb 0KB 3KB [ 51.180452] scsi_sense_cache 168KB 168KB [ 51.180457] virtio_scsi_cmd 16KB 16KB [ 51.180466] sgpool-128 8KB 8KB [ 51.180472] sgpool-64 4KB 6KB [ 51.180477] sgpool-32 149KB 149KB [ 51.180483] sgpool-16 40KB 41KB [ 51.180489] sgpool-8 360KB 360KB [ 51.180496] cfq_io_cq 16KB 19KB [ 51.180501] cfq_queue 27KB 30KB [ 51.180508] mqueue_inode_cache 1KB 7KB [ 51.180515] nfs_commit_data 3KB 7KB [ 51.180521] nfs_write_data 34KB 37KB [ 51.180529] jbd2_inode 1KB 3KB [ 51.180535] ext4_system_zone 0KB 3KB [ 51.180549] bio-1 1KB 3KB [ 51.180561] rpc_buffers 17KB 19KB [ 51.180566] rpc_tasks 2KB 3KB [ 51.180572] UNIX 780KB 784KB [ 51.180580] tcp_bind_bucket 0KB 4KB [ 51.180588] ip_fib_trie 0KB 3KB [ 51.180593] ip_fib_alias 0KB 3KB [ 51.180599] ip_dst_cache 3KB 4KB [ 51.180605] RAW 5KB 7KB [ 51.180610] UDP 29KB 39KB [ 51.180618] TCP 7KB 15KB [ 51.180623] hugetlbfs_inode_cache 1KB 7KB [ 51.180630] eventpoll_pwq 10KB 15KB [ 51.180635] eventpoll_epi 18KB 27KB [ 51.180640] inotify_inode_mark 3KB 11KB [ 51.180646] request_queue 31KB 45KB [ 51.180653] blkdev_ioc 22KB 23KB [ 51.180658] bio-0 510KB 510KB [ 51.180664] biovec-(1<<(21-12)) 651KB 651KB [ 51.180671] biovec-64 236KB 236KB [ 51.180676] biovec-16 33KB 33KB [ 51.180681] bio_integrity_payload 0KB 4KB [ 51.180686] khugepaged_mm_slot 0KB 3KB [ 51.180696] uid_cache 0KB 3KB [ 51.180702] dmaengine-unmap-2 0KB 3KB [ 51.180708] audit_buffer 0KB 3KB [ 51.180714] skbuff_fclone_cache 147KB 150KB [ 51.180719] skbuff_head_cache 1794KB 1796KB [ 51.180724] configfs_dir_cache 0KB 4KB [ 51.180730] file_lock_cache 164KB 166KB [ 51.180735] file_lock_ctx 1KB 3KB [ 51.180740] fsnotify_mark_connector 2KB 7KB [ 51.180747] shmem_inode_cache 1054KB 1054KB [ 51.180753] task_delay_info 320KB 324KB [ 51.180758] taskstats 3KB 3KB [ 51.180764] sigqueue 370KB 374KB [ 51.180770] kernfs_node_cache 2308KB 2311KB [ 51.180775] mnt_cache 15KB 20KB [ 51.180780] filp 8228KB 8707KB [ 51.180786] names_cache 109497KB 109535KB [ 51.180795] avc_node 37KB 43KB [ 51.180801] selinux_file_security 416KB 492KB [ 51.180806] selinux_inode_security 1982KB 1984KB [ 51.180812] key_jar 3KB 7KB [ 51.180818] nsproxy 0KB 3KB [ 51.180823] vm_area_struct 18774KB 18775KB [ 51.180828] mm_struct 4548KB 4554KB [ 51.180834] fs_cache 427KB 432KB [ 51.180839] files_cache 1603KB 1605KB [ 51.180844] signal_cache 2554KB 2558KB [ 51.180849] sighand_cache 215KB 333KB [ 51.180854] task_struct 10902KB 10902KB [ 51.180860] cred_jar 2363KB 2368KB [ 51.180866] anon_vma_chain 7882KB 7882KB [ 51.180871] anon_vma 125KB 327KB [ 51.180877] pid 222KB 244KB [ 51.180883] Acpi-Operand 106KB 170KB [ 51.180896] Acpi-Namespace 19KB 23KB [ 51.180902] numa_policy 0KB 3KB [ 51.180908] debug_objects_cache 520KB 524KB [ 51.180913] trace_event_file 149KB 151KB [ 51.180918] ftrace_event_field 261KB 263KB [ 51.180924] pool_workqueue 24KB 28KB [ 51.180931] page->ptl 3128KB 3130KB [ 51.180957] kmalloc-262144 1032KB 1032KB [ 51.180962] kmalloc-131072 650KB 650KB [ 51.180967] kmalloc-65536 264KB 264KB [ 51.180972] kmalloc-32768 825KB 825KB [ 51.180977] kmalloc-16384 181KB 181KB [ 51.180982] kmalloc-8192 519KB 519KB [ 51.180987] kmalloc-4096 5984KB 6022KB [ 51.180993] kmalloc-2048 3249KB 3251KB [ 51.180998] kmalloc-1024 4504KB 4504KB [ 51.181031] kmalloc-512 2786KB 2790KB [ 51.181037] kmalloc-256 1924KB 2448KB [ 51.181043] kmalloc-128 418KB 531KB [ 51.181048] kmalloc-96 324KB 412KB [ 51.181053] kmalloc-64 719KB 828KB [ 51.181059] kmalloc-32 1869KB 2197KB [ 51.181065] kmalloc-192 205KB 280KB [ 51.181071] kmem_cache 102KB 105KB [ 51.181074] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 51.181097] [ 1842] 0 1842 5385 173 86016 0 -1000 udevd [ 51.181113] [ 3587] 0 3587 4725 0 86016 0 0 cron [ 51.181124] [ 3605] 0 3605 3736 44 61440 0 0 mcstransd [ 51.181135] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 51.181146] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 51.181157] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 51.181168] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 51.181178] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 51.181189] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 51.181199] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 51.181210] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 51.181220] [ 3667] 0 3667 5681 454 86016 0 -1000 udevd [ 51.181231] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 51.181242] [ 3685] 0 3685 17821 1 184320 0 0 sshd [ 51.181262] [ 3692] 0 3692 4376 0 32768 0 0 syzkaller025682 [ 51.181277] [ 3695] 0 3695 4376 0 36864 0 0 syzkaller025682 [ 51.181283] Out of memory: Kill process 3605 (mcstransd) score 0 or sacrifice child [ 51.181316] Killed process 3605 (mcstransd) total-vm:14944kB, anon-rss:176kB, file-rss:0kB, shmem-rss:0kB [ 51.186126] oom_reaper: reaped process 3605 (mcstransd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 51.187672] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 51.187677] init cpuset=/ mems_allowed=0 [ 51.187695] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc9+ #212 [ 51.187698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.187701] Call Trace: [ 51.187716] dump_stack+0x194/0x257 [ 51.187730] ? arch_local_irq_restore+0x53/0x53 [ 51.187743] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.187766] dump_header+0x28c/0xe1e [ 51.187785] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.187800] ? pagefault_out_of_memory+0x152/0x152 [ 51.187827] ? __lock_acquire+0x664/0x3e00 [ 51.187842] ? check_noncircular+0x20/0x20 [ 51.187862] ? print_irqtrace_events+0x270/0x270 [ 51.187883] ? check_noncircular+0x20/0x20 [ 51.187895] ? task_will_free_mem+0x252/0xaa0 [ 51.187912] ? print_irqtrace_events+0x270/0x270 [ 51.187933] ? ___ratelimit+0x30d/0x630 [ 51.187944] ? lock_downgrade+0x980/0x980 [ 51.187960] ? lock_release+0xa40/0xa40 [ 51.187977] ? mark_held_locks+0xaf/0x100 [ 51.187989] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.188005] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.188016] ? trace_hardirqs_on+0xd/0x10 [ 51.188029] ? ___ratelimit+0x95/0x630 [ 51.188042] ? idr_get_free_cmn+0xfd0/0xfd0 [ 51.188052] ? find_held_lock+0x138/0x1d0 [ 51.188073] oom_kill_process+0x8b5/0x14a0 [ 51.188084] ? lock_downgrade+0x980/0x980 [ 51.188094] ? lock_release+0xa40/0xa40 [ 51.188106] ? check_noncircular+0x20/0x20 [ 51.188115] ? find_held_lock+0x35/0x1d0 [ 51.188125] ? oom_evaluate_task+0x480/0x480 [ 51.188141] ? oom_badness+0x21b/0x980 [ 51.188151] ? lock_downgrade+0x980/0x980 [ 51.188162] ? find_lock_task_mm+0x23b/0x460 [ 51.188179] ? find_held_lock+0x35/0x1d0 [ 51.188194] ? check_noncircular+0x20/0x20 [ 51.188206] ? oom_unkillable_task+0x394/0x4c0 [ 51.188216] ? lock_downgrade+0x980/0x980 [ 51.188231] ? lock_release+0xa40/0xa40 [ 51.188239] ? do_try_to_free_pages+0xc53/0x1020 [ 51.188252] ? find_lock_task_mm+0x460/0x460 [ 51.188270] ? find_held_lock+0x35/0x1d0 [ 51.188291] ? out_of_memory+0xb3a/0x1220 [ 51.188301] ? lock_downgrade+0x980/0x980 [ 51.188316] ? lock_release+0xa40/0xa40 [ 51.188322] ? lock_acquire+0x1d5/0x580 [ 51.188333] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 51.188354] ? oom_evaluate_task+0x284/0x480 [ 51.188371] out_of_memory+0x86d/0x1220 [ 51.188394] ? oom_killer_disable+0x310/0x310 [ 51.188400] ? mutex_trylock+0x23a/0x2d0 [ 51.188411] ? __lock_is_held+0xb6/0x140 [ 51.188420] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.188448] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 51.188470] ? trace_hardirqs_on+0xd/0x10 [ 51.188508] ? warn_alloc+0x2b0/0x2b0 [ 51.188517] ? lock_downgrade+0x980/0x980 [ 51.188541] ? radix_tree_lookup_slot+0x99/0xe0 [ 51.188573] ? find_get_entry+0x53c/0x9e0 [ 51.188617] ? __lock_acquire+0x664/0x3e00 [ 51.188649] ? __lock_is_held+0xb6/0x140 [ 51.188682] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.188708] ? __might_sleep+0x95/0x190 [ 51.188724] __alloc_pages_nodemask+0x9fb/0xd80 [ 51.188744] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 51.188754] ? add_to_page_cache_lru+0x510/0x510 [ 51.188774] ? check_noncircular+0x20/0x20 [ 51.188782] ? check_noncircular+0x20/0x20 [ 51.188802] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 51.188844] alloc_pages_current+0xb6/0x1e0 [ 51.188861] __page_cache_alloc+0x334/0x500 [ 51.188871] ? rcu_read_lock_held+0xa9/0xc0 [ 51.188888] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 51.188915] filemap_fault+0xefc/0x1c20 [ 51.188923] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.188949] ? __lock_page_or_retry+0x4f0/0x4f0 [ 51.188970] ? filemap_map_pages+0x942/0x15d0 [ 51.189000] ? find_get_entries_tag+0xeb0/0xeb0 [ 51.189014] ? __lock_acquire+0x664/0x3e00 [ 51.189029] ? check_noncircular+0x20/0x20 [ 51.189036] ? print_irqtrace_events+0x270/0x270 [ 51.189043] ? add_wait_queue+0x290/0x290 [ 51.189059] ? print_irqtrace_events+0x270/0x270 [ 51.189067] ? print_irqtrace_events+0x270/0x270 [ 51.189075] ? print_irqtrace_events+0x270/0x270 [ 51.189085] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.189094] ? free_obj_work+0x690/0x690 [ 51.189109] ? cpumask_local_spread+0x250/0x250 [ 51.189129] ? lock_acquire+0x1d5/0x580 [ 51.189135] ? lock_acquire+0x1d5/0x580 [ 51.189146] ? ext4_filemap_fault+0x7a/0xad [ 51.189158] ? __lock_acquire+0x664/0x3e00 [ 51.189171] ? lock_release+0xa40/0xa40 [ 51.189179] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.189195] ? rcu_note_context_switch+0x710/0x710 [ 51.189212] ? __might_sleep+0x95/0x190 [ 51.189226] ? down_read+0x96/0x150 [ 51.189233] ? ext4_filemap_fault+0x7a/0xad [ 51.189242] ? __down_interruptible+0x6b0/0x6b0 [ 51.189269] ext4_filemap_fault+0x82/0xad [ 51.189280] __do_fault+0xeb/0x30f [ 51.189294] ? pte_offset_kernel+0xc7/0xc7 [ 51.189307] ? do_raw_spin_trylock+0x190/0x190 [ 51.189325] ? check_noncircular+0x20/0x20 [ 51.189344] __handle_mm_fault+0x1d8f/0x3ce0 [ 51.189363] ? __pmd_alloc+0x4e0/0x4e0 [ 51.189375] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.189390] ? find_held_lock+0x35/0x1d0 [ 51.189412] ? handle_mm_fault+0x248/0x8d0 [ 51.189423] ? lock_downgrade+0x980/0x980 [ 51.189473] handle_mm_fault+0x334/0x8d0 [ 51.189479] ? down_read_trylock+0xdb/0x170 [ 51.189489] ? __do_page_fault+0x32d/0xc90 [ 51.189500] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 51.189506] ? vmacache_find+0x5f/0x280 [ 51.189523] ? find_vma+0x30/0x150 [ 51.189539] __do_page_fault+0x5c9/0xc90 [ 51.189560] ? mm_fault_error+0x2c0/0x2c0 [ 51.189570] ? exit_to_usermode_loop+0x8c/0x310 [ 51.189596] do_page_fault+0xee/0x720 [ 51.189604] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 51.189614] ? __do_page_fault+0xc90/0xc90 [ 51.189637] ? syscall_return_slowpath+0x2ad/0x550 [ 51.189647] ? prepare_exit_to_usermode+0x340/0x340 [ 51.189658] ? retint_user+0x18/0x18 [ 51.189671] ? page_fault+0x36/0x60 [ 51.189680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.189694] ? page_fault+0x36/0x60 [ 51.189706] page_fault+0x4c/0x60 [ 51.189712] RIP: 0033:0x7ffa5f1e1410 [ 51.189717] RSP: 002b:00007ffe0fa32248 EFLAGS: 00010206 [ 51.189724] RAX: 0000000000000000 RBX: 00007ffe0fa329b0 RCX: 00007ffa5f299dd3 [ 51.189728] RDX: 00007ffe0fa32280 RSI: 00007ffe0fa323b0 RDI: 0000000000000011 [ 51.189733] RBP: 00007ffe0fa32b60 R08: 00007ffe0fa32be0 R09: 0000000000000001 [ 51.189737] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 51.189742] R13: 00007ffe0fa32f40 R14: 0000000000000000 R15: 0000000000000000 [ 51.189816] Mem-Info: [ 51.189833] active_anon:1465 inactive_anon:63 isolated_anon:0 [ 51.189833] active_file:28 inactive_file:0 isolated_file:0 [ 51.189833] unevictable:0 dirty:0 writeback:0 unstable:0 [ 51.189833] slab_reclaimable:7519 slab_unreclaimable:81514 [ 51.189833] mapped:16 shmem:70 pagetables:285 bounce:0 [ 51.189833] free:22663 free_pcp:375 free_cma:0 [ 51.189847] Node 0 active_anon:5860kB inactive_anon:252kB active_file:112kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 51.189850] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.189867] lowmem_reserve[]: 0 2868 6378 6378 [ 51.189882] Node 0 DMA32 free:44264kB min:30320kB low:37900kB high:45480kB active_anon:164kB inactive_anon:0kB active_file:248kB inactive_file:232kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:860kB local_pcp:656kB free_cma:0kB [ 51.189903] lowmem_reserve[]: 0 0 3510 3510 [ 51.189917] Node 0 Normal free:30480kB min:37096kB low:46368kB high:55640kB active_anon:6064kB inactive_anon:252kB active_file:88kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2752kB pagetables:1136kB bounce:0kB free_pcp:640kB local_pcp:640kB free_cma:0kB [ 51.189934] lowmem_reserve[]: 0 0 0 0 [ 51.189948] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 51.190034] Node 0 DMA32: 9*4kB (UME) 6*8kB (UME) 9*16kB (UME) 5*32kB (UME) 3*64kB (UE) 6*128kB (ME) 5*256kB (UM) 3*512kB (UME) 3*1024kB (ME) 2*2048kB (ME) 8*4096kB (UM) = 44100kB [ 51.190101] Node 0 Normal: 427*4kB (UM) 483*8kB (UME) 191*16kB (UME) 119*32kB (UME) 56*64kB (UM) 32*128kB (UM) 9*256kB (ME) 2*512kB (UE) 1*1024kB (E) 3*2048kB (M) 0*4096kB = 30612kB [ 51.190170] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.190173] 122 total pagecache pages [ 51.190182] 0 pages in swap cache [ 51.190186] Swap cache stats: add 0, delete 0, find 0/0 [ 51.190189] Free swap = 0kB [ 51.190192] Total swap = 0kB [ 51.190195] 1965979 pages RAM [ 51.190198] 0 pages HighMem/MovableOnly [ 51.190201] 328415 pages reserved [ 51.190205] Unreclaimable slab info: [ 51.190208] Name Used Total [ 51.190214] hashtab_node 118KB 119KB [ 51.190220] ebitmap_node 396KB 401KB [ 51.190227] avtab_node 1012KB 1013KB [ 51.190240] TIPC 1KB 7KB [ 51.190250] SCTPv6 2KB 4KB [ 51.190260] DCCPv6 2KB 7KB [ 51.190267] DCCP 2KB 6KB [ 51.190291] fib6_nodes 0KB 4KB [ 51.190296] ip6_dst_cache 6KB 7KB [ 51.190303] RAWv6 9KB 13KB [ 51.190309] UDPv6 26KB 28KB [ 51.190317] TCPv6 2KB 5KB [ 51.190336] sd_ext_cdb 0KB 3KB [ 51.190342] scsi_sense_cache 168KB 168KB [ 51.190347] virtio_scsi_cmd 16KB 16KB [ 51.190356] sgpool-128 8KB 8KB [ 51.190361] sgpool-64 4KB 6KB [ 51.190367] sgpool-32 149KB 149KB [ 51.190372] sgpool-16 40KB 41KB [ 51.190378] sgpool-8 360KB 360KB [ 51.190385] cfq_io_cq 16KB 19KB [ 51.190390] cfq_queue 27KB 30KB [ 51.190397] mqueue_inode_cache 1KB 7KB [ 51.190404] nfs_commit_data 3KB 7KB [ 51.190410] nfs_write_data 34KB 37KB [ 51.190417] jbd2_inode 1KB 3KB [ 51.190423] ext4_system_zone 0KB 3KB [ 51.190437] bio-1 1KB 3KB [ 51.190449] rpc_buffers 17KB 19KB [ 51.190454] rpc_tasks 2KB 3KB [ 51.190459] UNIX 780KB 784KB [ 51.190468] tcp_bind_bucket 0KB 4KB [ 51.190477] ip_fib_trie 0KB 3KB [ 51.190482] ip_fib_alias 0KB 3KB [ 51.190487] ip_dst_cache 3KB 4KB [ 51.190494] RAW 5KB 7KB [ 51.190499] UDP 29KB 39KB [ 51.190507] TCP 7KB 15KB [ 51.190512] hugetlbfs_inode_cache 1KB 7KB [ 51.190519] eventpoll_pwq 10KB 15KB [ 51.190524] eventpoll_epi 18KB 27KB [ 51.190530] inotify_inode_mark 3KB 11KB [ 51.190537] request_queue 31KB 45KB [ 51.190544] blkdev_ioc 22KB 23KB [ 51.190549] bio-0 510KB 510KB [ 51.190555] biovec-(1<<(21-12)) 651KB 651KB [ 51.190562] biovec-64 236KB 236KB [ 51.190567] biovec-16 33KB 33KB [ 51.190572] bio_integrity_payload 0KB 4KB [ 51.190577] khugepaged_mm_slot 0KB 3KB [ 51.190587] uid_cache 0KB 3KB [ 51.190593] dmaengine-unmap-2 0KB 3KB [ 51.190598] audit_buffer 0KB 3KB [ 51.190604] skbuff_fclone_cache 147KB 150KB [ 51.190609] skbuff_head_cache 1794KB 1796KB [ 51.190614] configfs_dir_cache 0KB 4KB [ 51.190620] file_lock_cache 164KB 166KB [ 51.190625] file_lock_ctx 1KB 3KB [ 51.190631] fsnotify_mark_connector 2KB 7KB [ 51.190638] shmem_inode_cache 1054KB 1054KB [ 51.190643] task_delay_info 320KB 324KB [ 51.190648] taskstats 3KB 3KB [ 51.190654] sigqueue 370KB 374KB [ 51.190660] kernfs_node_cache 2308KB 2311KB [ 51.190666] mnt_cache 15KB 20KB [ 51.190671] filp 8228KB 8707KB [ 51.190677] names_cache 109497KB 109535KB [ 51.190686] avc_node 37KB 43KB [ 51.190692] selinux_file_security 416KB 492KB [ 51.190697] selinux_inode_security 1982KB 1984KB [ 51.190703] key_jar 3KB 7KB [ 51.190709] nsproxy 0KB 3KB [ 51.190714] vm_area_struct 18774KB 18775KB [ 51.190720] mm_struct 4548KB 4554KB [ 51.190725] fs_cache 427KB 432KB [ 51.190731] files_cache 1603KB 1605KB [ 51.190736] signal_cache 2554KB 2558KB [ 51.190742] sighand_cache 215KB 333KB [ 51.190747] task_struct 10902KB 10902KB [ 51.190753] cred_jar 2363KB 2368KB [ 51.190758] anon_vma_chain 7882KB 7882KB [ 51.190764] anon_vma 125KB 327KB [ 51.190769] pid 222KB 244KB [ 51.190775] Acpi-Operand 106KB 170KB [ 51.190783] Acpi-Namespace 19KB 23KB [ 51.190789] numa_policy 0KB 3KB [ 51.190794] debug_objects_cache 520KB 524KB [ 51.190800] trace_event_file 149KB 151KB [ 51.190805] ftrace_event_field 261KB 263KB [ 51.190811] pool_workqueue 24KB 28KB [ 51.190818] page->ptl 3128KB 3130KB [ 51.190846] kmalloc-262144 1032KB 1032KB [ 51.190851] kmalloc-131072 650KB 650KB [ 51.190856] kmalloc-65536 264KB 264KB [ 51.190862] kmalloc-32768 825KB 825KB [ 51.190867] kmalloc-16384 181KB 181KB [ 51.190872] kmalloc-8192 519KB 519KB [ 51.190878] kmalloc-4096 5984KB 6022KB [ 51.190887] kmalloc-2048 3249KB 3251KB [ 51.190893] kmalloc-1024 4504KB 4504KB [ 51.190898] kmalloc-512 2786KB 2790KB [ 51.190904] kmalloc-256 1924KB 2448KB [ 51.190909] kmalloc-128 418KB 531KB [ 51.190914] kmalloc-96 324KB 412KB [ 51.190920] kmalloc-64 719KB 828KB [ 51.190925] kmalloc-32 1869KB 2197KB [ 51.190931] kmalloc-192 205KB 280KB [ 51.190937] kmem_cache 102KB 105KB [ 51.190940] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 51.190963] [ 1842] 0 1842 5385 173 86016 0 -1000 udevd [ 51.190978] [ 3587] 0 3587 4725 0 86016 0 0 cron [ 51.190989] [ 3605] 0 3605 3736 0 61440 0 0 mcstransd [ 51.191000] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 51.191039] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 51.191050] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 51.191060] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 51.191071] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 51.191082] [ 3661] 0 3661 3694 41 77824 0 0 getty [ 51.191092] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 51.191103] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 51.191113] [ 3667] 0 3667 5681 454 86016 0 -1000 udevd [ 51.191125] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 51.191135] [ 3685] 0 3685 17821 1 184320 0 0 sshd [ 51.191156] [ 3692] 0 3692 4376 0 32768 0 0 syzkaller025682 [ 51.191170] [ 3695] 0 3695 4376 0 36864 0 0 syzkaller025682 [ 51.191175] Out of memory: Kill process 3661 (getty) score 0 or sacrifice child [ 51.191206] Killed process 3661 (getty) total-vm:14776kB, anon-rss:160kB, file-rss:4kB, shmem-rss:0kB [ 51.200606] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 51.200611] init cpuset=/ mems_allowed=0 [ 51.200629] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc9+ #212 [ 51.200633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.200636] Call Trace: [ 51.200649] dump_stack+0x194/0x257 [ 51.200664] ? arch_local_irq_restore+0x53/0x53 [ 51.200678] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.200701] dump_header+0x28c/0xe1e [ 51.200721] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.200736] ? pagefault_out_of_memory+0x152/0x152 [ 51.200763] ? __lock_acquire+0x664/0x3e00 [ 51.200778] ? check_noncircular+0x20/0x20 [ 51.200799] ? print_irqtrace_events+0x270/0x270 [ 51.200820] ? check_noncircular+0x20/0x20 [ 51.200828] ? task_will_free_mem+0x252/0xaa0 [ 51.200846] ? print_irqtrace_events+0x270/0x270 [ 51.200868] ? ___ratelimit+0x30d/0x630 [ 51.200878] ? lock_downgrade+0x980/0x980 [ 51.200898] ? lock_release+0xa40/0xa40 [ 51.200916] ? mark_held_locks+0xaf/0x100 [ 51.200928] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.200940] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.200950] ? trace_hardirqs_on+0xd/0x10 [ 51.200963] ? ___ratelimit+0x95/0x630 [ 51.200976] ? idr_get_free_cmn+0xfd0/0xfd0 [ 51.200986] ? find_held_lock+0x138/0x1d0 [ 51.201011] oom_kill_process+0x8b5/0x14a0 [ 51.201022] ? lock_downgrade+0x980/0x980 [ 51.201033] ? lock_release+0xa40/0xa40 [ 51.201045] ? check_noncircular+0x20/0x20 [ 51.201053] ? find_held_lock+0x35/0x1d0 [ 51.201064] ? oom_evaluate_task+0x480/0x480 [ 51.201079] ? oom_badness+0x21b/0x980 [ 51.201090] ? lock_downgrade+0x980/0x980 [ 51.201101] ? find_lock_task_mm+0x23b/0x460 [ 51.201118] ? find_held_lock+0x35/0x1d0 [ 51.201133] ? check_noncircular+0x20/0x20 [ 51.201145] ? oom_unkillable_task+0x394/0x4c0 [ 51.201155] ? lock_downgrade+0x980/0x980 [ 51.201170] ? lock_release+0xa40/0xa40 [ 51.201178] ? do_try_to_free_pages+0xc53/0x1020 [ 51.201191] ? find_lock_task_mm+0x460/0x460 [ 51.201208] ? find_held_lock+0x35/0x1d0 [ 51.201230] ? out_of_memory+0xb3a/0x1220 [ 51.201240] ? lock_downgrade+0x980/0x980 [ 51.201255] ? lock_release+0xa40/0xa40 [ 51.201261] ? lock_acquire+0x1d5/0x580 [ 51.201272] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 51.201293] ? oom_evaluate_task+0x284/0x480 [ 51.201310] out_of_memory+0x86d/0x1220 [ 51.201333] ? oom_killer_disable+0x310/0x310 [ 51.201338] ? mutex_trylock+0x23a/0x2d0 [ 51.201348] ? __lock_is_held+0xb6/0x140 [ 51.201358] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.201385] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 51.201407] ? trace_hardirqs_on+0xd/0x10 [ 51.201446] ? warn_alloc+0x2b0/0x2b0 [ 51.201455] ? lock_downgrade+0x980/0x980 [ 51.201478] ? radix_tree_lookup_slot+0x99/0xe0 [ 51.201510] ? find_get_entry+0x53c/0x9e0 [ 51.201553] ? __lock_acquire+0x664/0x3e00 [ 51.201585] ? __lock_is_held+0xb6/0x140 [ 51.201617] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.201643] ? __might_sleep+0x95/0x190 [ 51.201659] __alloc_pages_nodemask+0x9fb/0xd80 [ 51.201679] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 51.201689] ? add_to_page_cache_lru+0x510/0x510 [ 51.201709] ? check_noncircular+0x20/0x20 [ 51.201717] ? check_noncircular+0x20/0x20 [ 51.201737] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 51.201779] alloc_pages_current+0xb6/0x1e0 [ 51.201796] __page_cache_alloc+0x334/0x500 [ 51.201806] ? rcu_read_lock_held+0xa9/0xc0 [ 51.201820] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 51.201847] filemap_fault+0xefc/0x1c20 [ 51.201856] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.201886] ? __lock_page_or_retry+0x4f0/0x4f0 [ 51.201907] ? filemap_map_pages+0x942/0x15d0 [ 51.201937] ? find_get_entries_tag+0xeb0/0xeb0 [ 51.201950] ? __lock_acquire+0x664/0x3e00 [ 51.201964] ? check_noncircular+0x20/0x20 [ 51.201971] ? print_irqtrace_events+0x270/0x270 [ 51.201978] ? add_wait_queue+0x290/0x290 [ 51.201993] ? print_irqtrace_events+0x270/0x270 [ 51.202001] ? print_irqtrace_events+0x270/0x270 [ 51.202009] ? print_irqtrace_events+0x270/0x270 [ 51.202019] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.202028] ? free_obj_work+0x690/0x690 [ 51.202043] ? cpumask_local_spread+0x250/0x250 [ 51.202062] ? lock_acquire+0x1d5/0x580 [ 51.202068] ? lock_acquire+0x1d5/0x580 [ 51.202080] ? ext4_filemap_fault+0x7a/0xad [ 51.202091] ? __lock_acquire+0x664/0x3e00 [ 51.202104] ? lock_release+0xa40/0xa40 [ 51.202112] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.202129] ? rcu_note_context_switch+0x710/0x710 [ 51.202147] ? __might_sleep+0x95/0x190 [ 51.202161] ? down_read+0x96/0x150 [ 51.202167] ? ext4_filemap_fault+0x7a/0xad [ 51.202176] ? __down_interruptible+0x6b0/0x6b0 [ 51.202203] ext4_filemap_fault+0x82/0xad [ 51.202215] __do_fault+0xeb/0x30f [ 51.202229] ? pte_offset_kernel+0xc7/0xc7 [ 51.202242] ? do_raw_spin_trylock+0x190/0x190 [ 51.202259] ? check_noncircular+0x20/0x20 [ 51.202279] __handle_mm_fault+0x1d8f/0x3ce0 [ 51.202298] ? __pmd_alloc+0x4e0/0x4e0 [ 51.202310] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.202325] ? find_held_lock+0x35/0x1d0 [ 51.202347] ? handle_mm_fault+0x248/0x8d0 [ 51.202358] ? lock_downgrade+0x980/0x980 [ 51.202408] handle_mm_fault+0x334/0x8d0 [ 51.202414] ? down_read_trylock+0xdb/0x170 [ 51.202422] ? __do_page_fault+0x32d/0xc90 [ 51.202433] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 51.202439] ? vmacache_find+0x5f/0x280 [ 51.202456] ? find_vma+0x30/0x150 [ 51.202471] __do_page_fault+0x5c9/0xc90 [ 51.202493] ? mm_fault_error+0x2c0/0x2c0 [ 51.202502] ? exit_to_usermode_loop+0x8c/0x310 [ 51.202528] do_page_fault+0xee/0x720 [ 51.202537] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 51.202547] ? __do_page_fault+0xc90/0xc90 [ 51.202571] ? syscall_return_slowpath+0x2ad/0x550 [ 51.202581] ? prepare_exit_to_usermode+0x340/0x340 [ 51.202591] ? retint_user+0x18/0x18 [ 51.202603] ? page_fault+0x36/0x60 [ 51.202613] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.202628] ? page_fault+0x36/0x60 [ 51.202639] page_fault+0x4c/0x60 [ 51.202646] RIP: 0033:0x7ffa5f1e1410 [ 51.202650] RSP: 002b:00007ffe0fa32248 EFLAGS: 00010206 [ 51.202658] RAX: 0000000000000000 RBX: 00007ffe0fa329b0 RCX: 00007ffa5f299dd3 [ 51.202662] RDX: 00007ffe0fa32280 RSI: 00007ffe0fa323b0 RDI: 0000000000000011 [ 51.202667] RBP: 00007ffe0fa32b60 R08: 00007ffe0fa32be0 R09: 0000000000000001 [ 51.202671] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 51.202675] R13: 00007ffe0fa32f40 R14: 0000000000000000 R15: 0000000000000000 [ 51.202751] Mem-Info: [ 51.202768] active_anon:1415 inactive_anon:63 isolated_anon:0 [ 51.202768] active_file:28 inactive_file:0 isolated_file:0 [ 51.202768] unevictable:0 dirty:0 writeback:0 unstable:0 [ 51.202768] slab_reclaimable:7519 slab_unreclaimable:81514 [ 51.202768] mapped:16 shmem:70 pagetables:285 bounce:0 [ 51.202768] free:22663 free_pcp:390 free_cma:0 [ 51.202782] Node 0 active_anon:5660kB inactive_anon:252kB active_file:112kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 51.202785] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.202803] lowmem_reserve[]: 0 2868 6378 6378 [ 51.202818] Node 0 DMA32 free:44264kB min:30320kB low:37900kB high:45480kB active_anon:164kB inactive_anon:0kB active_file:248kB inactive_file:232kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:860kB local_pcp:656kB free_cma:0kB [ 51.202835] lowmem_reserve[]: 0 0 3510 3510 [ 51.202850] Node 0 Normal free:30480kB min:37096kB low:46368kB high:55640kB active_anon:6064kB inactive_anon:252kB active_file:88kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2752kB pagetables:1136kB bounce:0kB free_pcp:700kB local_pcp:700kB free_cma:0kB [ 51.202867] lowmem_reserve[]: 0 0 0 0 [ 51.202881] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 51.202946] Node 0 DMA32: 9*4kB (UME) 6*8kB (UME) 9*16kB (UME) 5*32kB (UME) 3*64kB (UE) 6*128kB (ME) 5*256kB (UM) 3*512kB (UME) 3*1024kB (ME) 2*2048kB (ME) 8*4096kB (UM) = 44100kB [ 51.203037] Node 0 Normal: 447*4kB (UM) 486*8kB (UME) 188*16kB (UME) 114*32kB (UME) 56*64kB (UM) 33*128kB (UM) 10*256kB (ME) 2*512kB (UE) 1*1024kB (E) 3*2048kB (M) 0*4096kB = 30892kB [ 51.203106] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.203109] 122 total pagecache pages [ 51.203119] 0 pages in swap cache [ 51.203124] Swap cache stats: add 0, delete 0, find 0/0 [ 51.203126] Free swap = 0kB [ 51.203129] Total swap = 0kB [ 51.203133] 1965979 pages RAM [ 51.203136] 0 pages HighMem/MovableOnly [ 51.203138] 328415 pages reserved [ 51.203143] Unreclaimable slab info: [ 51.203146] Name Used Total [ 51.203153] hashtab_node 118KB 119KB [ 51.203159] ebitmap_node 396KB 401KB [ 51.203166] avtab_node 1012KB 1013KB [ 51.203178] TIPC 1KB 7KB [ 51.203187] SCTPv6 2KB 4KB [ 51.203197] DCCPv6 2KB 7KB [ 51.203204] DCCP 2KB 6KB [ 51.203227] fib6_nodes 0KB 4KB [ 51.203233] ip6_dst_cache 6KB 7KB [ 51.203241] RAWv6 9KB 13KB [ 51.203247] UDPv6 26KB 28KB [ 51.203254] TCPv6 2KB 5KB [ 51.203274] sd_ext_cdb 0KB 3KB [ 51.203279] scsi_sense_cache 168KB 168KB [ 51.203285] virtio_scsi_cmd 16KB 16KB [ 51.203293] sgpool-128 8KB 8KB [ 51.203298] sgpool-64 4KB 6KB [ 51.203304] sgpool-32 149KB 149KB [ 51.203309] sgpool-16 40KB 41KB [ 51.203315] sgpool-8 360KB 360KB [ 51.203322] cfq_io_cq 16KB 19KB [ 51.203327] cfq_queue 27KB 30KB [ 51.203334] mqueue_inode_cache 1KB 7KB [ 51.203341] nfs_commit_data 3KB 7KB [ 51.203346] nfs_write_data 34KB 37KB [ 51.203354] jbd2_inode 1KB 3KB [ 51.203359] ext4_system_zone 0KB 3KB [ 51.203374] bio-1 1KB 3KB [ 51.203386] rpc_buffers 17KB 19KB [ 51.203391] rpc_tasks 2KB 3KB [ 51.203396] UNIX 780KB 784KB [ 51.203405] tcp_bind_bucket 0KB 4KB [ 51.203413] ip_fib_trie 0KB 3KB [ 51.203418] ip_fib_alias 0KB 3KB [ 51.203423] ip_dst_cache 3KB 4KB [ 51.203430] RAW 5KB 7KB [ 51.203435] UDP 29KB 39KB [ 51.203443] TCP 7KB 15KB [ 51.203448] hugetlbfs_inode_cache 1KB 7KB [ 51.203455] eventpoll_pwq 10KB 15KB [ 51.203461] eventpoll_epi 18KB 27KB [ 51.203466] inotify_inode_mark 3KB 11KB [ 51.203472] request_queue 31KB 45KB [ 51.203479] blkdev_ioc 22KB 23KB [ 51.203484] bio-0 510KB 510KB [ 51.203490] biovec-(1<<(21-12)) 651KB 651KB [ 51.203496] biovec-64 236KB 236KB [ 51.203502] biovec-16 33KB 33KB [ 51.203507] bio_integrity_payload 0KB 4KB [ 51.203512] khugepaged_mm_slot 0KB 3KB [ 51.203522] uid_cache 0KB 3KB [ 51.203528] dmaengine-unmap-2 0KB 3KB [ 51.203533] audit_buffer 0KB 3KB [ 51.203539] skbuff_fclone_cache 147KB 150KB [ 51.203543] skbuff_head_cache 1794KB 1796KB [ 51.203549] configfs_dir_cache 0KB 4KB [ 51.203554] file_lock_cache 164KB 166KB [ 51.203560] file_lock_ctx 1KB 3KB [ 51.203565] fsnotify_mark_connector 2KB 7KB [ 51.203572] shmem_inode_cache 1054KB 1054KB [ 51.203577] task_delay_info 320KB 324KB [ 51.203582] taskstats 3KB 3KB [ 51.203587] sigqueue 370KB 374KB [ 51.203593] kernfs_node_cache 2308KB 2311KB [ 51.203599] mnt_cache 15KB 20KB [ 51.203604] filp 8228KB 8707KB [ 51.203610] names_cache 109497KB 109535KB [ 51.203620] avc_node 37KB 43KB [ 51.203625] selinux_file_security 416KB 492KB [ 51.203630] selinux_inode_security 1982KB 1984KB [ 51.203635] key_jar 3KB 7KB [ 51.203640] nsproxy 0KB 3KB [ 51.203646] vm_area_struct 18774KB 18775KB [ 51.203651] mm_struct 4548KB 4554KB [ 51.203657] fs_cache 427KB 432KB [ 51.203662] files_cache 1603KB 1605KB [ 51.203667] signal_cache 2554KB 2558KB [ 51.203673] sighand_cache 215KB 333KB [ 51.203679] task_struct 10902KB 10902KB [ 51.203684] cred_jar 2363KB 2368KB [ 51.203689] anon_vma_chain 7882KB 7882KB [ 51.203695] anon_vma 125KB 327KB [ 51.203701] pid 222KB 244KB [ 51.203706] Acpi-Operand 106KB 170KB [ 51.203714] Acpi-Namespace 19KB 23KB [ 51.203721] numa_policy 0KB 3KB [ 51.203726] debug_objects_cache 520KB 524KB [ 51.203732] trace_event_file 149KB 151KB [ 51.203737] ftrace_event_field 261KB 263KB [ 51.203743] pool_workqueue 24KB 28KB [ 51.203750] page->ptl 3128KB 3130KB [ 51.203778] kmalloc-262144 1032KB 1032KB [ 51.203783] kmalloc-131072 650KB 650KB [ 51.203788] kmalloc-65536 264KB 264KB [ 51.203794] kmalloc-32768 825KB 825KB [ 51.203799] kmalloc-16384 181KB 181KB [ 51.203805] kmalloc-8192 519KB 519KB [ 51.203810] kmalloc-4096 5984KB 6022KB [ 51.203816] kmalloc-2048 3249KB 3251KB [ 51.203821] kmalloc-1024 4504KB 4504KB [ 51.203826] kmalloc-512 2786KB 2790KB [ 51.203831] kmalloc-256 1924KB 2448KB [ 51.203837] kmalloc-128 418KB 531KB [ 51.203843] kmalloc-96 324KB 412KB [ 51.203849] kmalloc-64 719KB 828KB [ 51.203854] kmalloc-32 1869KB 2197KB [ 51.203860] kmalloc-192 205KB 280KB [ 51.203865] kmem_cache 102KB 105KB [ 51.203869] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 51.203897] [ 1842] 0 1842 5385 173 86016 0 -1000 udevd [ 51.203913] [ 3587] 0 3587 4725 0 86016 0 0 cron [ 51.203926] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 51.203936] [ 3657] 0 3657 3694 40 73728 0 0 getty [ 51.203947] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 51.203957] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 51.203968] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 51.203980] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 51.203991] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 51.204005] [ 3667] 0 3667 5681 454 86016 0 -1000 udevd [ 51.204041] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 51.204052] [ 3685] 0 3685 17821 1 184320 0 0 sshd [ 51.204072] [ 3692] 0 3692 4376 0 32768 0 0 syzkaller025682 [ 51.204087] [ 3695] 0 3695 4376 0 36864 0 0 syzkaller025682 [ 51.204092] Out of memory: Kill process 3657 (getty) score 0 or sacrifice child [ 51.204123] Killed process 3657 (getty) total-vm:14776kB, anon-rss:156kB, file-rss:4kB, shmem-rss:0kB [ 51.208890] oom_reaper: reaped process 3657 (getty), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 51.210466] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 51.210470] init cpuset=/ mems_allowed=0 [ 51.210487] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc9+ #212 [ 51.210492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.210495] Call Trace: [ 51.210509] dump_stack+0x194/0x257 [ 51.210524] ? arch_local_irq_restore+0x53/0x53 [ 51.210537] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.210560] dump_header+0x28c/0xe1e [ 51.210580] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.210595] ? pagefault_out_of_memory+0x152/0x152 [ 51.210623] ? __lock_acquire+0x664/0x3e00 [ 51.210638] ? check_noncircular+0x20/0x20 [ 51.210659] ? print_irqtrace_events+0x270/0x270 [ 51.210679] ? check_noncircular+0x20/0x20 [ 51.210686] ? task_will_free_mem+0x252/0xaa0 [ 51.210704] ? print_irqtrace_events+0x270/0x270 [ 51.210727] ? ___ratelimit+0x30d/0x630 [ 51.210737] ? lock_downgrade+0x980/0x980 [ 51.210753] ? lock_release+0xa40/0xa40 [ 51.210771] ? mark_held_locks+0xaf/0x100 [ 51.210783] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.210796] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.210807] ? trace_hardirqs_on+0xd/0x10 [ 51.210820] ? ___ratelimit+0x95/0x630 [ 51.210833] ? idr_get_free_cmn+0xfd0/0xfd0 [ 51.210843] ? find_held_lock+0x138/0x1d0 [ 51.210865] oom_kill_process+0x8b5/0x14a0 [ 51.210875] ? lock_downgrade+0x980/0x980 [ 51.210890] ? lock_release+0xa40/0xa40 [ 51.210902] ? check_noncircular+0x20/0x20 [ 51.210911] ? find_held_lock+0x35/0x1d0 [ 51.210921] ? oom_evaluate_task+0x480/0x480 [ 51.210937] ? oom_badness+0x21b/0x980 [ 51.210948] ? lock_downgrade+0x980/0x980 [ 51.210959] ? find_lock_task_mm+0x23b/0x460 [ 51.210976] ? find_held_lock+0x35/0x1d0 [ 51.210991] ? check_noncircular+0x20/0x20 [ 51.211007] ? oom_unkillable_task+0x394/0x4c0 [ 51.211018] ? lock_downgrade+0x980/0x980 [ 51.211033] ? lock_release+0xa40/0xa40 [ 51.211042] ? do_try_to_free_pages+0xc53/0x1020 [ 51.211055] ? find_lock_task_mm+0x460/0x460 [ 51.211073] ? find_held_lock+0x35/0x1d0 [ 51.211094] ? out_of_memory+0xb3a/0x1220 [ 51.211104] ? lock_downgrade+0x980/0x980 [ 51.211119] ? lock_release+0xa40/0xa40 [ 51.211125] ? lock_acquire+0x1d5/0x580 [ 51.211136] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 51.211157] ? oom_evaluate_task+0x284/0x480 [ 51.211175] out_of_memory+0x86d/0x1220 [ 51.211197] ? oom_killer_disable+0x310/0x310 [ 51.211203] ? mutex_trylock+0x23a/0x2d0 [ 51.211214] ? __lock_is_held+0xb6/0x140 [ 51.211223] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.211251] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 51.211272] ? trace_hardirqs_on+0xd/0x10 [ 51.211310] ? warn_alloc+0x2b0/0x2b0 [ 51.211319] ? lock_downgrade+0x980/0x980 [ 51.211342] ? radix_tree_lookup_slot+0x99/0xe0 [ 51.211375] ? find_get_entry+0x53c/0x9e0 [ 51.211419] ? __lock_acquire+0x664/0x3e00 [ 51.211451] ? __lock_is_held+0xb6/0x140 [ 51.211484] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.211510] ? __might_sleep+0x95/0x190 [ 51.211526] __alloc_pages_nodemask+0x9fb/0xd80 [ 51.211546] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 51.211556] ? add_to_page_cache_lru+0x510/0x510 [ 51.211577] ? check_noncircular+0x20/0x20 [ 51.211585] ? check_noncircular+0x20/0x20 [ 51.211605] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 51.211647] alloc_pages_current+0xb6/0x1e0 [ 51.211663] __page_cache_alloc+0x334/0x500 [ 51.211672] ? rcu_read_lock_held+0xa9/0xc0 [ 51.211686] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 51.211713] filemap_fault+0xefc/0x1c20 [ 51.211721] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.211747] ? __lock_page_or_retry+0x4f0/0x4f0 [ 51.211768] ? filemap_map_pages+0x942/0x15d0 [ 51.211799] ? find_get_entries_tag+0xeb0/0xeb0 [ 51.211811] ? __lock_acquire+0x664/0x3e00 [ 51.211826] ? check_noncircular+0x20/0x20 [ 51.211832] ? print_irqtrace_events+0x270/0x270 [ 51.211840] ? add_wait_queue+0x290/0x290 [ 51.211855] ? print_irqtrace_events+0x270/0x270 [ 51.211864] ? print_irqtrace_events+0x270/0x270 [ 51.211872] ? print_irqtrace_events+0x270/0x270 [ 51.211887] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.211897] ? free_obj_work+0x690/0x690 [ 51.211911] ? cpumask_local_spread+0x250/0x250 [ 51.211931] ? lock_acquire+0x1d5/0x580 [ 51.211937] ? lock_acquire+0x1d5/0x580 [ 51.211948] ? ext4_filemap_fault+0x7a/0xad [ 51.211960] ? __lock_acquire+0x664/0x3e00 [ 51.211974] ? lock_release+0xa40/0xa40 [ 51.211982] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.211997] ? rcu_note_context_switch+0x710/0x710 [ 51.212015] ? __might_sleep+0x95/0x190 [ 51.212029] ? down_read+0x96/0x150 [ 51.212035] ? ext4_filemap_fault+0x7a/0xad [ 51.212045] ? __down_interruptible+0x6b0/0x6b0 [ 51.212072] ext4_filemap_fault+0x82/0xad [ 51.212084] __do_fault+0xeb/0x30f [ 51.212098] ? pte_offset_kernel+0xc7/0xc7 [ 51.212112] ? do_raw_spin_trylock+0x190/0x190 [ 51.212129] ? check_noncircular+0x20/0x20 [ 51.212148] __handle_mm_fault+0x1d8f/0x3ce0 [ 51.212167] ? __pmd_alloc+0x4e0/0x4e0 [ 51.212179] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.212194] ? find_held_lock+0x35/0x1d0 [ 51.212215] ? handle_mm_fault+0x248/0x8d0 [ 51.212226] ? lock_downgrade+0x980/0x980 [ 51.212275] handle_mm_fault+0x334/0x8d0 [ 51.212281] ? down_read_trylock+0xdb/0x170 [ 51.212290] ? __do_page_fault+0x32d/0xc90 [ 51.212301] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 51.212306] ? vmacache_find+0x5f/0x280 [ 51.212323] ? find_vma+0x30/0x150 [ 51.212338] __do_page_fault+0x5c9/0xc90 [ 51.212360] ? mm_fault_error+0x2c0/0x2c0 [ 51.212369] ? exit_to_usermode_loop+0x8c/0x310 [ 51.212395] do_page_fault+0xee/0x720 [ 51.212404] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 51.212413] ? __do_page_fault+0xc90/0xc90 [ 51.212437] ? syscall_return_slowpath+0x2ad/0x550 [ 51.212447] ? prepare_exit_to_usermode+0x340/0x340 [ 51.212457] ? retint_user+0x18/0x18 [ 51.212470] ? page_fault+0x36/0x60 [ 51.212479] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.212494] ? page_fault+0x36/0x60 [ 51.212506] page_fault+0x4c/0x60 [ 51.212512] RIP: 0033:0x7ffa5f1e1410 [ 51.212516] RSP: 002b:00007ffe0fa32248 EFLAGS: 00010206 [ 51.212523] RAX: 0000000000000000 RBX: 00007ffe0fa329b0 RCX: 00007ffa5f299dd3 [ 51.212527] RDX: 00007ffe0fa32280 RSI: 00007ffe0fa323b0 RDI: 0000000000000011 [ 51.212532] RBP: 00007ffe0fa32b60 R08: 00007ffe0fa32be0 R09: 0000000000000001 [ 51.212536] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 51.212541] R13: 00007ffe0fa32f40 R14: 0000000000000000 R15: 0000000000000000 [ 51.212615] Mem-Info: [ 51.212633] active_anon:1390 inactive_anon:63 isolated_anon:0 [ 51.212633] active_file:28 inactive_file:0 isolated_file:0 [ 51.212633] unevictable:0 dirty:0 writeback:0 unstable:0 [ 51.212633] slab_reclaimable:7519 slab_unreclaimable:81514 [ 51.212633] mapped:16 shmem:70 pagetables:285 bounce:0 [ 51.212633] free:22789 free_pcp:398 free_cma:0 [ 51.212646] Node 0 active_anon:5560kB inactive_anon:252kB active_file:112kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 51.212649] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.212667] lowmem_reserve[]: 0 2868 6378 6378 [ 51.212682] Node 0 DMA32 free:44264kB min:30320kB low:37900kB high:45480kB active_anon:164kB inactive_anon:0kB active_file:248kB inactive_file:232kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:860kB local_pcp:656kB free_cma:0kB [ 51.212699] lowmem_reserve[]: 0 0 3510 3510 [ 51.212714] Node 0 Normal free:30984kB min:37096kB low:46368kB high:55640kB active_anon:5560kB inactive_anon:252kB active_file:88kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2752kB pagetables:1136kB bounce:0kB free_pcp:732kB local_pcp:732kB free_cma:0kB [ 51.212731] lowmem_reserve[]: 0 0 0 0 [ 51.212744] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 51.212806] Node 0 DMA32: 9*4kB (UME) 6*8kB (UME) 9*16kB (UME) 5*32kB (UME) 3*64kB (UE) 6*128kB (ME) 5*256kB (UM) 3*512kB (UME) 3*1024kB (ME) 2*2048kB (ME) 8*4096kB (UM) = 44100kB [ 51.212874] Node 0 Normal: 442*4kB (UM) 490*8kB (UME) 187*16kB (UME) 116*32kB (UME) 55*64kB (UM) 34*128kB (UM) 10*256kB (ME) 2*512kB (UE) 1*1024kB (E) 3*2048kB (M) 0*4096kB = 31016kB [ 51.212946] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.212949] 122 total pagecache pages [ 51.212959] 0 pages in swap cache [ 51.212963] Swap cache stats: add 0, delete 0, find 0/0 [ 51.212966] Free swap = 0kB [ 51.212969] Total swap = 0kB [ 51.212972] 1965979 pages RAM [ 51.212975] 0 pages HighMem/MovableOnly [ 51.212978] 328415 pages reserved [ 51.212982] Unreclaimable slab info: [ 51.212986] Name Used Total [ 51.212992] hashtab_node 118KB 119KB [ 51.212998] ebitmap_node 396KB 401KB [ 51.213031] avtab_node 1012KB 1013KB [ 51.213044] TIPC 1KB 7KB [ 51.213053] SCTPv6 2KB 4KB [ 51.213063] DCCPv6 2KB 7KB [ 51.213070] DCCP 2KB 6KB [ 51.213095] fib6_nodes 0KB 4KB [ 51.213101] ip6_dst_cache 6KB 7KB [ 51.213109] RAWv6 9KB 13KB [ 51.213115] UDPv6 26KB 28KB [ 51.213122] TCPv6 2KB 5KB [ 51.213141] sd_ext_cdb 0KB 3KB [ 51.213147] scsi_sense_cache 168KB 168KB [ 51.213152] virtio_scsi_cmd 16KB 16KB [ 51.213161] sgpool-128 8KB 8KB [ 51.213166] sgpool-64 4KB 6KB [ 51.213171] sgpool-32 149KB 149KB [ 51.213177] sgpool-16 40KB 41KB [ 51.213182] sgpool-8 360KB 360KB [ 51.213189] cfq_io_cq 16KB 19KB [ 51.213194] cfq_queue 27KB 30KB [ 51.213201] mqueue_inode_cache 1KB 7KB [ 51.213209] nfs_commit_data 3KB 7KB [ 51.213214] nfs_write_data 34KB 37KB [ 51.213222] jbd2_inode 1KB 3KB [ 51.213228] ext4_system_zone 0KB 3KB [ 51.213242] bio-1 1KB 3KB [ 51.213255] rpc_buffers 17KB 19KB [ 51.213260] rpc_tasks 2KB 3KB [ 51.213265] UNIX 780KB 784KB [ 51.213274] tcp_bind_bucket 0KB 4KB [ 51.213282] ip_fib_trie 0KB 3KB [ 51.213287] ip_fib_alias 0KB 3KB [ 51.213292] ip_dst_cache 3KB 4KB [ 51.213299] RAW 5KB 7KB [ 51.213304] UDP 29KB 39KB [ 51.213312] TCP 7KB 15KB [ 51.213317] hugetlbfs_inode_cache 1KB 7KB [ 51.213324] eventpoll_pwq 10KB 15KB [ 51.213330] eventpoll_epi 18KB 27KB [ 51.213336] inotify_inode_mark 3KB 11KB [ 51.213343] request_queue 31KB 45KB [ 51.213349] blkdev_ioc 22KB 23KB [ 51.213355] bio-0 510KB 510KB [ 51.213360] biovec-(1<<(21-12)) 651KB 651KB [ 51.213366] biovec-64 236KB 236KB [ 51.213372] biovec-16 33KB 33KB [ 51.213377] bio_integrity_payload 0KB 4KB [ 51.213382] khugepaged_mm_slot 0KB 3KB [ 51.213392] uid_cache 0KB 3KB [ 51.213397] dmaengine-unmap-2 0KB 3KB [ 51.213402] audit_buffer 0KB 3KB [ 51.213408] skbuff_fclone_cache 147KB 150KB [ 51.213413] skbuff_head_cache 1794KB 1796KB [ 51.213419] configfs_dir_cache 0KB 4KB [ 51.213424] file_lock_cache 164KB 166KB [ 51.213430] file_lock_ctx 1KB 3KB [ 51.213435] fsnotify_mark_connector 2KB 7KB [ 51.213442] shmem_inode_cache 1054KB 1054KB [ 51.213447] task_delay_info 320KB 324KB [ 51.213453] taskstats 3KB 3KB [ 51.213459] sigqueue 370KB 374KB [ 51.213464] kernfs_node_cache 2308KB 2311KB [ 51.213470] mnt_cache 15KB 20KB [ 51.213475] filp 8228KB 8707KB [ 51.213481] names_cache 109497KB 109535KB [ 51.213490] avc_node 37KB 43KB [ 51.213496] selinux_file_security 416KB 492KB [ 51.213501] selinux_inode_security 1982KB 1984KB [ 51.213507] key_jar 3KB 7KB [ 51.213512] nsproxy 0KB 3KB [ 51.213518] vm_area_struct 18774KB 18775KB [ 51.213523] mm_struct 4548KB 4554KB [ 51.213529] fs_cache 427KB 432KB [ 51.213535] files_cache 1603KB 1605KB [ 51.213540] signal_cache 2554KB 2558KB [ 51.213545] sighand_cache 215KB 333KB [ 51.213551] task_struct 10902KB 10902KB [ 51.213556] cred_jar 2363KB 2368KB [ 51.213562] anon_vma_chain 7882KB 7882KB [ 51.213568] anon_vma 125KB 327KB [ 51.213573] pid 222KB 244KB [ 51.213579] Acpi-Operand 106KB 170KB [ 51.213587] Acpi-Namespace 19KB 23KB [ 51.213593] numa_policy 0KB 3KB [ 51.213598] debug_objects_cache 520KB 524KB [ 51.213603] trace_event_file 149KB 151KB [ 51.213609] ftrace_event_field 261KB 263KB [ 51.213615] pool_workqueue 24KB 28KB [ 51.213622] page->ptl 3128KB 3130KB [ 51.213648] kmalloc-262144 1032KB 1032KB [ 51.213653] kmalloc-131072 650KB 650KB [ 51.213659] kmalloc-65536 264KB 264KB [ 51.213664] kmalloc-32768 825KB 825KB [ 51.213669] kmalloc-16384 181KB 181KB [ 51.213675] kmalloc-8192 519KB 519KB [ 51.213680] kmalloc-4096 5984KB 6022KB [ 51.213685] kmalloc-2048 3249KB 3251KB [ 51.213690] kmalloc-1024 4504KB 4504KB [ 51.213696] kmalloc-512 2786KB 2790KB [ 51.213701] kmalloc-256 1924KB 2448KB [ 51.213707] kmalloc-128 418KB 531KB [ 51.213712] kmalloc-96 324KB 412KB [ 51.213718] kmalloc-64 719KB 828KB [ 51.213723] kmalloc-32 1869KB 2197KB [ 51.213729] kmalloc-192 205KB 280KB [ 51.213735] kmem_cache 102KB 105KB [ 51.213738] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 51.213760] [ 1842] 0 1842 5385 173 86016 0 -1000 udevd [ 51.213775] [ 3587] 0 3587 4725 0 86016 0 0 cron [ 51.213788] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 51.213798] [ 3657] 0 3657 3694 0 73728 0 0 getty [ 51.213808] [ 3658] 0 3658 3694 41 69632 0 0 getty [ 51.213818] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 51.213829] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 51.213841] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 51.213852] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 51.213863] [ 3667] 0 3667 5681 454 86016 0 -1000 udevd [ 51.213874] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 51.213887] [ 3685] 0 3685 17821 1 184320 0 0 sshd [ 51.213908] [ 3692] 0 3692 4376 0 32768 0 0 syzkaller025682 [ 51.213922] [ 3695] 0 3695 4376 0 36864 0 0 syzkaller025682 [ 51.213928] Out of memory: Kill process 3658 (getty) score 0 or sacrifice child [ 51.213958] Killed process 3658 (getty) total-vm:14776kB, anon-rss:160kB, file-rss:4kB, shmem-rss:0kB [ 51.222422] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 51.222427] init cpuset=/ mems_allowed=0 [ 51.222445] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc9+ #212 [ 51.222449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.222452] Call Trace: [ 51.222467] dump_stack+0x194/0x257 [ 51.222482] ? arch_local_irq_restore+0x53/0x53 [ 51.222495] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.222519] dump_header+0x28c/0xe1e [ 51.222539] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.222554] ? pagefault_out_of_memory+0x152/0x152 [ 51.222582] ? __lock_acquire+0x664/0x3e00 [ 51.222597] ? check_noncircular+0x20/0x20 [ 51.222619] ? print_irqtrace_events+0x270/0x270 [ 51.222639] ? check_noncircular+0x20/0x20 [ 51.222647] ? task_will_free_mem+0x252/0xaa0 [ 51.222665] ? print_irqtrace_events+0x270/0x270 [ 51.222687] ? ___ratelimit+0x30d/0x630 [ 51.222698] ? lock_downgrade+0x980/0x980 [ 51.222714] ? lock_release+0xa40/0xa40 [ 51.222731] ? mark_held_locks+0xaf/0x100 [ 51.222744] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.222756] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.222767] ? trace_hardirqs_on+0xd/0x10 [ 51.222780] ? ___ratelimit+0x95/0x630 [ 51.222792] ? idr_get_free_cmn+0xfd0/0xfd0 [ 51.222803] ? find_held_lock+0x138/0x1d0 [ 51.222824] oom_kill_process+0x8b5/0x14a0 [ 51.222835] ? lock_downgrade+0x980/0x980 [ 51.222845] ? lock_release+0xa40/0xa40 [ 51.222857] ? check_noncircular+0x20/0x20 [ 51.222866] ? find_held_lock+0x35/0x1d0 [ 51.222876] ? oom_evaluate_task+0x480/0x480 [ 51.222897] ? oom_badness+0x21b/0x980 [ 51.222908] ? lock_downgrade+0x980/0x980 [ 51.222918] ? find_lock_task_mm+0x23b/0x460 [ 51.222935] ? find_held_lock+0x35/0x1d0 [ 51.222949] ? check_noncircular+0x20/0x20 [ 51.222961] ? oom_unkillable_task+0x394/0x4c0 [ 51.222972] ? lock_downgrade+0x980/0x980 [ 51.222987] ? lock_release+0xa40/0xa40 [ 51.222995] ? do_try_to_free_pages+0xc53/0x1020 [ 51.223012] ? find_lock_task_mm+0x460/0x460 [ 51.223029] ? find_held_lock+0x35/0x1d0 [ 51.223051] ? out_of_memory+0xb3a/0x1220 [ 51.223062] ? lock_downgrade+0x980/0x980 [ 51.223077] ? lock_release+0xa40/0xa40 [ 51.223083] ? lock_acquire+0x1d5/0x580 [ 51.223094] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 51.223115] ? oom_evaluate_task+0x284/0x480 [ 51.223133] out_of_memory+0x86d/0x1220 [ 51.223156] ? oom_killer_disable+0x310/0x310 [ 51.223162] ? mutex_trylock+0x23a/0x2d0 [ 51.223173] ? __lock_is_held+0xb6/0x140 [ 51.223182] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.223211] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 51.223233] ? trace_hardirqs_on+0xd/0x10 [ 51.223271] ? warn_alloc+0x2b0/0x2b0 [ 51.223280] ? lock_downgrade+0x980/0x980 [ 51.223304] ? radix_tree_lookup_slot+0x99/0xe0 [ 51.223338] ? find_get_entry+0x53c/0x9e0 [ 51.223382] ? __lock_acquire+0x664/0x3e00 [ 51.223413] ? __lock_is_held+0xb6/0x140 [ 51.223447] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.223472] ? __might_sleep+0x95/0x190 [ 51.223489] __alloc_pages_nodemask+0x9fb/0xd80 [ 51.223509] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 51.223519] ? add_to_page_cache_lru+0x510/0x510 [ 51.223540] ? check_noncircular+0x20/0x20 [ 51.223548] ? check_noncircular+0x20/0x20 [ 51.223567] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 51.223610] alloc_pages_current+0xb6/0x1e0 [ 51.223628] __page_cache_alloc+0x334/0x500 [ 51.223637] ? rcu_read_lock_held+0xa9/0xc0 [ 51.223651] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 51.223678] filemap_fault+0xefc/0x1c20 [ 51.223687] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.223713] ? __lock_page_or_retry+0x4f0/0x4f0 [ 51.223734] ? filemap_map_pages+0x942/0x15d0 [ 51.223764] ? find_get_entries_tag+0xeb0/0xeb0 [ 51.223777] ? __lock_acquire+0x664/0x3e00 [ 51.223792] ? check_noncircular+0x20/0x20 [ 51.223799] ? print_irqtrace_events+0x270/0x270 [ 51.223806] ? add_wait_queue+0x290/0x290 [ 51.223821] ? print_irqtrace_events+0x270/0x270 [ 51.223830] ? print_irqtrace_events+0x270/0x270 [ 51.223838] ? print_irqtrace_events+0x270/0x270 [ 51.223848] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.223858] ? free_obj_work+0x690/0x690 [ 51.223873] ? cpumask_local_spread+0x250/0x250 [ 51.223896] ? lock_acquire+0x1d5/0x580 [ 51.223902] ? lock_acquire+0x1d5/0x580 [ 51.223914] ? ext4_filemap_fault+0x7a/0xad [ 51.223925] ? __lock_acquire+0x664/0x3e00 [ 51.223939] ? lock_release+0xa40/0xa40 [ 51.223947] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.223963] ? rcu_note_context_switch+0x710/0x710 [ 51.223980] ? __might_sleep+0x95/0x190 [ 51.223994] ? down_read+0x96/0x150 [ 51.224001] ? ext4_filemap_fault+0x7a/0xad [ 51.224010] ? __down_interruptible+0x6b0/0x6b0 [ 51.224038] ext4_filemap_fault+0x82/0xad [ 51.224050] __do_fault+0xeb/0x30f [ 51.224064] ? pte_offset_kernel+0xc7/0xc7 [ 51.224077] ? do_raw_spin_trylock+0x190/0x190 [ 51.224095] ? check_noncircular+0x20/0x20 [ 51.224115] __handle_mm_fault+0x1d8f/0x3ce0 [ 51.224134] ? __pmd_alloc+0x4e0/0x4e0 [ 51.224146] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.224161] ? find_held_lock+0x35/0x1d0 [ 51.224183] ? handle_mm_fault+0x248/0x8d0 [ 51.224194] ? lock_downgrade+0x980/0x980 [ 51.224244] handle_mm_fault+0x334/0x8d0 [ 51.224251] ? down_read_trylock+0xdb/0x170 [ 51.224259] ? __do_page_fault+0x32d/0xc90 [ 51.224270] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 51.224276] ? vmacache_find+0x5f/0x280 [ 51.224294] ? find_vma+0x30/0x150 [ 51.224309] __do_page_fault+0x5c9/0xc90 [ 51.224331] ? mm_fault_error+0x2c0/0x2c0 [ 51.224341] ? exit_to_usermode_loop+0x8c/0x310 [ 51.224366] do_page_fault+0xee/0x720 [ 51.224375] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 51.224384] ? __do_page_fault+0xc90/0xc90 [ 51.224408] ? syscall_return_slowpath+0x2ad/0x550 [ 51.224417] ? prepare_exit_to_usermode+0x340/0x340 [ 51.224428] ? retint_user+0x18/0x18 [ 51.224441] ? page_fault+0x36/0x60 [ 51.224450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.224465] ? page_fault+0x36/0x60 [ 51.224476] page_fault+0x4c/0x60 [ 51.224483] RIP: 0033:0x7ffa5f1e1410 [ 51.224487] RSP: 002b:00007ffe0fa32248 EFLAGS: 00010206 [ 51.224494] RAX: 0000000000000000 RBX: 00007ffe0fa329b0 RCX: 00007ffa5f299dd3 [ 51.224498] RDX: 00007ffe0fa32280 RSI: 00007ffe0fa323b0 RDI: 0000000000000011 [ 51.224503] RBP: 00007ffe0fa32b60 R08: 00007ffe0fa32be0 R09: 0000000000000001 [ 51.224507] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 51.224512] R13: 00007ffe0fa32f40 R14: 0000000000000000 R15: 0000000000000000 [ 51.224586] Mem-Info: [ 51.224603] active_anon:1340 inactive_anon:63 isolated_anon:0 [ 51.224603] active_file:28 inactive_file:0 isolated_file:0 [ 51.224603] unevictable:0 dirty:0 writeback:0 unstable:0 [ 51.224603] slab_reclaimable:7519 slab_unreclaimable:81514 [ 51.224603] mapped:16 shmem:70 pagetables:285 bounce:0 [ 51.224603] free:22789 free_pcp:396 free_cma:0 [ 51.224617] Node 0 active_anon:5360kB inactive_anon:252kB active_file:112kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 51.224620] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.224637] lowmem_reserve[]: 0 2868 6378 6378 [ 51.224652] Node 0 DMA32 free:44264kB min:30320kB low:37900kB high:45480kB active_anon:164kB inactive_anon:0kB active_file:248kB inactive_file:232kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:860kB local_pcp:656kB free_cma:0kB [ 51.224669] lowmem_reserve[]: 0 0 3510 3510 [ 51.224684] Node 0 Normal free:30984kB min:37096kB low:46368kB high:55640kB active_anon:5560kB inactive_anon:252kB active_file:88kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2752kB pagetables:1136kB bounce:0kB free_pcp:724kB local_pcp:724kB free_cma:0kB [ 51.224701] lowmem_reserve[]: 0 0 0 0 [ 51.224715] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 51.224776] Node 0 DMA32: 9*4kB (UME) 6*8kB (UME) 9*16kB (UME) 5*32kB (UME) 3*64kB (UE) 6*128kB (ME) 5*256kB (UM) 3*512kB (UME) 3*1024kB (ME) 2*2048kB (ME) 8*4096kB (UM) = 44100kB [ 51.224843] Node 0 Normal: 450*4kB (UM) 493*8kB (UME) 189*16kB (UME) 113*32kB (UME) 53*64kB (UM) 33*128kB (UM) 12*256kB (ME) 2*512kB (UE) 1*1024kB (E) 3*2048kB (M) 0*4096kB = 31264kB [ 51.224916] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.224919] 122 total pagecache pages [ 51.224929] 0 pages in swap cache [ 51.224933] Swap cache stats: add 0, delete 0, find 0/0 [ 51.224936] Free swap = 0kB [ 51.224939] Total swap = 0kB [ 51.224942] 1965979 pages RAM [ 51.224945] 0 pages HighMem/MovableOnly [ 51.224947] 328415 pages reserved [ 51.224951] Unreclaimable slab info: [ 51.224954] Name Used Total [ 51.224960] hashtab_node 118KB 119KB [ 51.224966] ebitmap_node 396KB 401KB [ 51.224973] avtab_node 1012KB 1013KB [ 51.224985] TIPC 1KB 7KB [ 51.224994] SCTPv6 2KB 4KB [ 51.225029] DCCPv6 2KB 7KB [ 51.225036] DCCP 2KB 6KB [ 51.225062] fib6_nodes 0KB 4KB [ 51.225067] ip6_dst_cache 6KB 7KB [ 51.225075] RAWv6 9KB 13KB [ 51.225081] UDPv6 26KB 28KB [ 51.225088] TCPv6 2KB 5KB [ 51.225108] sd_ext_cdb 0KB 3KB [ 51.225115] scsi_sense_cache 168KB 168KB [ 51.225120] virtio_scsi_cmd 16KB 16KB [ 51.225129] sgpool-128 8KB 8KB [ 51.225134] sgpool-64 4KB 6KB [ 51.225139] sgpool-32 149KB 149KB [ 51.225145] sgpool-16 40KB 41KB [ 51.225150] sgpool-8 360KB 360KB [ 51.225157] cfq_io_cq 16KB 19KB [ 51.225163] cfq_queue 27KB 30KB [ 51.225169] mqueue_inode_cache 1KB 7KB [ 51.225176] nfs_commit_data 3KB 7KB [ 51.225181] nfs_write_data 34KB 37KB [ 51.225189] jbd2_inode 1KB 3KB [ 51.225194] ext4_system_zone 0KB 3KB [ 51.225208] bio-1 1KB 3KB [ 51.225222] rpc_buffers 17KB 19KB [ 51.225227] rpc_tasks 2KB 3KB [ 51.225232] UNIX 780KB 784KB [ 51.225240] tcp_bind_bucket 0KB 4KB [ 51.225250] ip_fib_trie 0KB 3KB [ 51.225255] ip_fib_alias 0KB 3KB [ 51.225261] ip_dst_cache 3KB 4KB [ 51.225267] RAW 5KB 7KB [ 51.225273] UDP 29KB 39KB [ 51.225281] TCP 7KB 15KB [ 51.225287] hugetlbfs_inode_cache 1KB 7KB [ 51.225293] eventpoll_pwq 10KB 15KB [ 51.225298] eventpoll_epi 18KB 27KB [ 51.225304] inotify_inode_mark 3KB 11KB [ 51.225311] request_queue 31KB 45KB [ 51.225318] blkdev_ioc 22KB 23KB [ 51.225323] bio-0 510KB 510KB [ 51.225328] biovec-(1<<(21-12)) 651KB 651KB [ 51.225335] biovec-64 236KB 236KB [ 51.225340] biovec-16 33KB 33KB [ 51.225346] bio_integrity_payload 0KB 4KB [ 51.225352] khugepaged_mm_slot 0KB 3KB [ 51.225362] uid_cache 0KB 3KB [ 51.225368] dmaengine-unmap-2 0KB 3KB [ 51.225373] audit_buffer 0KB 3KB [ 51.225379] skbuff_fclone_cache 147KB 150KB [ 51.225384] skbuff_head_cache 1794KB 1796KB [ 51.225390] configfs_dir_cache 0KB 4KB [ 51.225395] file_lock_cache 164KB 166KB [ 51.225401] file_lock_ctx 1KB 3KB [ 51.225407] fsnotify_mark_connector 2KB 7KB [ 51.225414] shmem_inode_cache 1054KB 1054KB [ 51.225419] task_delay_info 320KB 324KB [ 51.225425] taskstats 3KB 3KB [ 51.225430] sigqueue 370KB 374KB [ 51.225436] kernfs_node_cache 2308KB 2311KB [ 51.225442] mnt_cache 15KB 20KB [ 51.225447] filp 8228KB 8707KB [ 51.225453] names_cache 109497KB 109535KB [ 51.225463] avc_node 37KB 43KB [ 51.225468] selinux_file_security 416KB 492KB [ 51.225474] selinux_inode_security 1982KB 1984KB [ 51.225479] key_jar 3KB 7KB [ 51.225485] nsproxy 0KB 3KB [ 51.225490] vm_area_struct 18774KB 18775KB [ 51.225496] mm_struct 4548KB 4554KB [ 51.225501] fs_cache 427KB 432KB [ 51.225506] files_cache 1603KB 1605KB [ 51.225512] signal_cache 2554KB 2558KB [ 51.225517] sighand_cache 215KB 333KB [ 51.225523] task_struct 10902KB 10902KB [ 51.225529] cred_jar 2363KB 2368KB [ 51.225534] anon_vma_chain 7882KB 7882KB [ 51.225540] anon_vma 125KB 327KB [ 51.225545] pid 222KB 244KB [ 51.225551] Acpi-Operand 106KB 170KB [ 51.225559] Acpi-Namespace 19KB 23KB [ 51.225565] numa_policy 0KB 3KB [ 51.225570] debug_objects_cache 520KB 524KB [ 51.225576] trace_event_file 149KB 151KB [ 51.225581] ftrace_event_field 261KB 263KB [ 51.225587] pool_workqueue 24KB 28KB [ 51.225595] page->ptl 3128KB 3130KB [ 51.225622] kmalloc-262144 1032KB 1032KB [ 51.225628] kmalloc-131072 650KB 650KB [ 51.225633] kmalloc-65536 264KB 264KB [ 51.225639] kmalloc-32768 825KB 825KB [ 51.225644] kmalloc-16384 181KB 181KB [ 51.225649] kmalloc-8192 519KB 519KB [ 51.225654] kmalloc-4096 5984KB 6022KB [ 51.225659] kmalloc-2048 3249KB 3251KB [ 51.225665] kmalloc-1024 4504KB 4504KB [ 51.225670] kmalloc-512 2786KB 2790KB [ 51.225675] kmalloc-256 1924KB 2448KB [ 51.225681] kmalloc-128 418KB 531KB [ 51.225686] kmalloc-96 324KB 412KB [ 51.225691] kmalloc-64 719KB 828KB [ 51.225697] kmalloc-32 1869KB 2197KB [ 51.225703] kmalloc-192 205KB 280KB [ 51.225708] kmem_cache 102KB 105KB [ 51.225712] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 51.225734] [ 1842] 0 1842 5385 173 86016 0 -1000 udevd [ 51.225750] [ 3587] 0 3587 4725 0 86016 0 0 cron [ 51.225763] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 51.225774] [ 3657] 0 3657 3694 0 73728 0 0 getty [ 51.225787] [ 3659] 0 3659 3694 40 73728 0 0 getty [ 51.225797] [ 3660] 0 3660 3694 40 69632 0 0 getty [ 51.225809] [ 3662] 0 3662 3694 39 73728 0 0 getty [ 51.225820] [ 3663] 0 3663 3649 40 73728 0 0 getty [ 51.225831] [ 3667] 0 3667 5681 454 86016 0 -1000 udevd [ 51.225842] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 51.225852] [ 3685] 0 3685 17821 1 184320 0 0 sshd [ 51.225874] [ 3692] 0 3692 4376 0 32768 0 0 syzkaller025682 [ 51.225892] [ 3695] 0 3695 4376 0 36864 0 0 syzkaller025682 [ 51.225898] Out of memory: Kill process 3659 (getty) score 0 or sacrifice child [ 51.225930] Killed process 3659 (getty) total-vm:14776kB, anon-rss:156kB, file-rss:4kB, shmem-rss:0kB [ 51.233588] Out of memory: Kill process 3663 (getty) score 0 or sacrifice child [ 51.233916] Killed process 3663 (getty) total-vm:14596kB, anon-rss:156kB, file-rss:4kB, shmem-rss:0kB [ 51.241808] Out of memory: Kill process 3660 (getty) score 0 or sacrifice child [ 51.241841] Killed process 3660 (getty) total-vm:14776kB, anon-rss:156kB, file-rss:4kB, shmem-rss:0kB [ 51.248593] Out of memory: Kill process 3662 (getty) score 0 or sacrifice child [ 51.248622] Killed process 3662 (getty) total-vm:14776kB, anon-rss:152kB, file-rss:4kB, shmem-rss:0kB [ 51.259753] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 51.259758] init cpuset=/ mems_allowed=0 [ 51.259776] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc9+ #212 [ 51.259780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.259783] Call Trace: [ 51.259798] dump_stack+0x194/0x257 [ 51.259813] ? arch_local_irq_restore+0x53/0x53 [ 51.259827] ? reacquire_held_locks+0x1f9/0x3e0 [ 51.259849] dump_header+0x28c/0xe1e [ 51.259882] ? pagefault_out_of_memory+0x152/0x152 [ 51.259893] ? lock_release+0xa40/0xa40 [ 51.259905] ? check_noncircular+0x20/0x20 [ 51.259914] ? find_held_lock+0x35/0x1d0 [ 51.259936] ? oom_badness+0x21b/0x980 [ 51.259946] ? lock_downgrade+0x980/0x980 [ 51.259957] ? find_lock_task_mm+0x23b/0x460 [ 51.259974] ? find_held_lock+0x35/0x1d0 [ 51.259988] ? check_noncircular+0x20/0x20 [ 51.260004] ? oom_unkillable_task+0x394/0x4c0 [ 51.260015] ? lock_downgrade+0x980/0x980 [ 51.260029] ? lock_release+0xa40/0xa40 [ 51.260037] ? do_try_to_free_pages+0xc53/0x1020 [ 51.260051] ? find_lock_task_mm+0x460/0x460 [ 51.260067] ? find_held_lock+0x35/0x1d0 [ 51.260089] ? out_of_memory+0xb3a/0x1220 [ 51.260100] ? lock_downgrade+0x980/0x980 [ 51.260114] ? lock_release+0xa40/0xa40 [ 51.260120] ? lock_acquire+0x1d5/0x580 [ 51.260131] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 51.260152] ? oom_evaluate_task+0x284/0x480 [ 51.260170] out_of_memory+0xc45/0x1220 [ 51.260193] ? oom_killer_disable+0x310/0x310 [ 51.260200] ? mutex_trylock+0x23a/0x2d0 [ 51.260210] ? __lock_is_held+0xb6/0x140 [ 51.260219] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.260247] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 51.260269] ? trace_hardirqs_on+0xd/0x10 [ 51.260308] ? warn_alloc+0x2b0/0x2b0 [ 51.260317] ? lock_downgrade+0x980/0x980 [ 51.260342] ? radix_tree_lookup_slot+0x99/0xe0 [ 51.260375] ? find_get_entry+0x53c/0x9e0 [ 51.260418] ? __lock_acquire+0x664/0x3e00 [ 51.260450] ? __lock_is_held+0xb6/0x140 [ 51.260483] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.260509] ? __might_sleep+0x95/0x190 [ 51.260526] __alloc_pages_nodemask+0x9fb/0xd80 [ 51.260545] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 51.260556] ? add_to_page_cache_lru+0x510/0x510 [ 51.260576] ? check_noncircular+0x20/0x20 [ 51.260584] ? check_noncircular+0x20/0x20 [ 51.260603] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 51.260646] alloc_pages_current+0xb6/0x1e0 [ 51.260663] __page_cache_alloc+0x334/0x500 [ 51.260673] ? rcu_read_lock_held+0xa9/0xc0 [ 51.260687] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 51.260713] filemap_fault+0xefc/0x1c20 [ 51.260722] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.260748] ? __lock_page_or_retry+0x4f0/0x4f0 [ 51.260769] ? filemap_map_pages+0x942/0x15d0 [ 51.260799] ? find_get_entries_tag+0xeb0/0xeb0 [ 51.260812] ? __lock_acquire+0x664/0x3e00 [ 51.260827] ? check_noncircular+0x20/0x20 [ 51.260833] ? print_irqtrace_events+0x270/0x270 [ 51.260841] ? add_wait_queue+0x290/0x290 [ 51.260856] ? print_irqtrace_events+0x270/0x270 [ 51.260864] ? print_irqtrace_events+0x270/0x270 [ 51.260872] ? print_irqtrace_events+0x270/0x270 [ 51.260885] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.260895] ? free_obj_work+0x690/0x690 [ 51.260909] ? cpumask_local_spread+0x250/0x250 [ 51.260929] ? lock_acquire+0x1d5/0x580 [ 51.260935] ? lock_acquire+0x1d5/0x580 [ 51.260946] ? ext4_filemap_fault+0x7a/0xad [ 51.260958] ? __lock_acquire+0x664/0x3e00 [ 51.260971] ? lock_release+0xa40/0xa40 [ 51.260980] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.260995] ? rcu_note_context_switch+0x710/0x710 [ 51.261012] ? __might_sleep+0x95/0x190 [ 51.261026] ? down_read+0x96/0x150 [ 51.261033] ? ext4_filemap_fault+0x7a/0xad [ 51.261042] ? __down_interruptible+0x6b0/0x6b0 [ 51.261070] ext4_filemap_fault+0x82/0xad [ 51.261083] __do_fault+0xeb/0x30f [ 51.261096] ? pte_offset_kernel+0xc7/0xc7 [ 51.261111] ? do_raw_spin_trylock+0x190/0x190 [ 51.261128] ? check_noncircular+0x20/0x20 [ 51.261147] __handle_mm_fault+0x1d8f/0x3ce0 [ 51.261166] ? __pmd_alloc+0x4e0/0x4e0 [ 51.261179] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.261194] ? find_held_lock+0x35/0x1d0 [ 51.261216] ? handle_mm_fault+0x248/0x8d0 [ 51.261226] ? lock_downgrade+0x980/0x980 [ 51.261277] handle_mm_fault+0x334/0x8d0 [ 51.261283] ? down_read_trylock+0xdb/0x170 [ 51.261292] ? __do_page_fault+0x32d/0xc90 [ 51.261303] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 51.261309] ? vmacache_find+0x5f/0x280 [ 51.261326] ? find_vma+0x30/0x150 [ 51.261341] __do_page_fault+0x5c9/0xc90 [ 51.261364] ? mm_fault_error+0x2c0/0x2c0 [ 51.261373] ? exit_to_usermode_loop+0x8c/0x310 [ 51.261399] do_page_fault+0xee/0x720 [ 51.261408] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 51.261417] ? __do_page_fault+0xc90/0xc90 [ 51.261441] ? syscall_return_slowpath+0x2ad/0x550 [ 51.261451] ? prepare_exit_to_usermode+0x340/0x340 [ 51.261463] ? retint_user+0x18/0x18 [ 51.261475] ? page_fault+0x36/0x60 [ 51.261485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.261500] ? page_fault+0x36/0x60 [ 51.261511] page_fault+0x4c/0x60 [ 51.261518] RIP: 0033:0x7ffa5f1e1410 [ 51.261522] RSP: 002b:00007ffe0fa32248 EFLAGS: 00010206 [ 51.261529] RAX: 0000000000000000 RBX: 00007ffe0fa329b0 RCX: 00007ffa5f299dd3 [ 51.261534] RDX: 00007ffe0fa32280 RSI: 00007ffe0fa323b0 RDI: 0000000000000011 [ 51.261538] RBP: 00007ffe0fa32b60 R08: 00007ffe0fa32be0 R09: 0000000000000001 [ 51.261543] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 51.261547] R13: 00007ffe0fa32f40 R14: 0000000000000000 R15: 0000000000000000 [ 51.261607] Mem-Info: [ 51.261625] active_anon:1190 inactive_anon:63 isolated_anon:0 [ 51.261625] active_file:28 inactive_file:0 isolated_file:0 [ 51.261625] unevictable:0 dirty:0 writeback:0 unstable:0 [ 51.261625] slab_reclaimable:7519 slab_unreclaimable:81514 [ 51.261625] mapped:16 shmem:70 pagetables:285 bounce:0 [ 51.261625] free:23041 free_pcp:387 free_cma:0 [ 51.261639] Node 0 active_anon:4760kB inactive_anon:252kB active_file:112kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 51.261642] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.261659] lowmem_reserve[]: 0 2868 6378 6378 [ 51.261674] Node 0 DMA32 free:44264kB min:30320kB low:37900kB high:45480kB active_anon:164kB inactive_anon:0kB active_file:248kB inactive_file:232kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:860kB local_pcp:656kB free_cma:0kB [ 51.261691] lowmem_reserve[]: 0 0 3510 3510 [ 51.261705] Node 0 Normal free:31992kB min:37096kB low:46368kB high:55640kB active_anon:5056kB inactive_anon:252kB active_file:88kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2752kB pagetables:1136kB bounce:0kB free_pcp:688kB local_pcp:688kB free_cma:0kB [ 51.261723] lowmem_reserve[]: 0 0 0 0 [ 51.261736] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 51.261798] Node 0 DMA32: 9*4kB (UME) 6*8kB (UME) 9*16kB (UME) 5*32kB (UME) 3*64kB (UE) 6*128kB (ME) 5*256kB (UM) 3*512kB (UME) 3*1024kB (ME) 2*2048kB (ME) 8*4096kB (UM) = 44100kB [ 51.261865] Node 0 Normal: 548*4kB (UM) 484*8kB (UME) 167*16kB (UME) 99*32kB (UME) 52*64kB (UM) 35*128kB (UM) 15*256kB (ME) 3*512kB (UME) 1*1024kB (E) 3*2048kB (M) 0*4096kB = 32256kB [ 51.261937] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.261941] 122 total pagecache pages [ 51.261951] 0 pages in swap cache [ 51.261955] Swap cache stats: add 0, delete 0, find 0/0 [ 51.261958] Free swap = 0kB [ 51.261961] Total swap = 0kB [ 51.261964] 1965979 pages RAM [ 51.261967] 0 pages HighMem/MovableOnly [ 51.261970] 328415 pages reserved [ 51.261974] Unreclaimable slab info: [ 51.261977] Name Used Total [ 51.261984] hashtab_node 118KB 119KB [ 51.261990] ebitmap_node 396KB 401KB [ 51.261996] avtab_node 1012KB 1013KB [ 51.262069] TIPC 1KB 7KB [ 51.262078] SCTPv6 2KB 4KB [ 51.262088] DCCPv6 2KB 7KB [ 51.262095] DCCP 2KB 6KB [ 51.262120] fib6_nodes 0KB 4KB [ 51.262124] ip6_dst_cache 6KB 7KB [ 51.262132] RAWv6 9KB 13KB [ 51.262138] UDPv6 26KB 28KB [ 51.262145] TCPv6 2KB 5KB [ 51.262165] sd_ext_cdb 0KB 3KB [ 51.262171] scsi_sense_cache 168KB 168KB [ 51.262177] virtio_scsi_cmd 16KB 16KB [ 51.262185] sgpool-128 8KB 8KB [ 51.262190] sgpool-64 4KB 6KB [ 51.262196] sgpool-32 149KB 149KB [ 51.262201] sgpool-16 40KB 41KB [ 51.262207] sgpool-8 360KB 360KB [ 51.262215] cfq_io_cq 16KB 19KB [ 51.262220] cfq_queue 27KB 30KB [ 51.262226] mqueue_inode_cache 1KB 7KB [ 51.262233] nfs_commit_data 3KB 7KB [ 51.262239] nfs_write_data 34KB 37KB [ 51.262246] jbd2_inode 1KB 3KB [ 51.262252] ext4_system_zone 0KB 3KB [ 51.262266] bio-1 1KB 3KB [ 51.262279] rpc_buffers 17KB 19KB [ 51.262285] rpc_tasks 2KB 3KB [ 51.262290] UNIX 780KB 784KB [ 51.262298] tcp_bind_bucket 0KB 4KB [ 51.262307] ip_fib_trie 0KB 3KB [ 51.262312] ip_fib_alias 0KB 3KB [ 51.262318] ip_dst_cache 3KB 4KB [ 51.262324] RAW 5KB 7KB [ 51.262330] UDP 29KB 39KB [ 51.262337] TCP 7KB 15KB [ 51.262342] hugetlbfs_inode_cache 1KB 7KB [ 51.262349] eventpoll_pwq 10KB 15KB [ 51.262354] eventpoll_epi 18KB 27KB [ 51.262359] inotify_inode_mark 3KB 11KB [ 51.262366] request_queue 31KB 45KB [ 51.262372] blkdev_ioc 22KB 23KB [ 51.262377] bio-0 510KB 510KB [ 51.262383] biovec-(1<<(21-12)) 651KB 651KB [ 51.262389] biovec-64 236KB 236KB [ 51.262395] biovec-16 33KB 33KB [ 51.262399] bio_integrity_payload 0KB 4KB [ 51.262404] khugepaged_mm_slot 0KB 3KB [ 51.262414] uid_cache 0KB 3KB [ 51.262420] dmaengine-unmap-2 0KB 3KB [ 51.262425] audit_buffer 0KB 3KB [ 51.262431] skbuff_fclone_cache 147KB 150KB [ 51.262437] skbuff_head_cache 1794KB 1796KB [ 51.262442] configfs_dir_cache 0KB 4KB [ 51.262448] file_lock_cache 164KB 166KB [ 51.262453] file_lock_ctx 1KB 3KB [ 51.262459] fsnotify_mark_connector 2KB 7KB [ 51.262465] shmem_inode_cache 1054KB 1054KB [ 51.262471] task_delay_info 320KB 324KB [ 51.262477] taskstats 3KB 3KB [ 51.262482] sigqueue 374KB 374KB [ 51.262488] kernfs_node_cache 2308KB 2311KB [ 51.262493] mnt_cache 15KB 20KB [ 51.262499] filp 8228KB 8707KB [ 51.262505] names_cache 109497KB 109535KB [ 51.262514] avc_node 37KB 43KB [ 51.262519] selinux_file_security 416KB 492KB [ 51.262525] selinux_inode_security 1982KB 1984KB [ 51.262530] key_jar 3KB 7KB [ 51.262535] nsproxy 0KB 3KB [ 51.262541] vm_area_struct 18774KB 18775KB [ 51.262546] mm_struct 4548KB 4554KB [ 51.262552] fs_cache 427KB 432KB [ 51.262557] files_cache 1603KB 1605KB [ 51.262563] signal_cache 2554KB 2558KB [ 51.262568] sighand_cache 215KB 333KB [ 51.262574] task_struct 10902KB 10902KB [ 51.262579] cred_jar 2363KB 2368KB [ 51.262584] anon_vma_chain 7882KB 7882KB [ 51.262589] anon_vma 125KB 327KB [ 51.262595] pid 222KB 244KB [ 51.262600] Acpi-Operand 106KB 170KB [ 51.262609] Acpi-Namespace 19KB 23KB [ 51.262615] numa_policy 0KB 3KB [ 51.262620] debug_objects_cache 520KB 524KB [ 51.262626] trace_event_file 149KB 151KB [ 51.262631] ftrace_event_field 261KB 263KB [ 51.262637] pool_workqueue 24KB 28KB [ 51.262644] page->ptl 3128KB 3130KB [ 51.262670] kmalloc-262144 1032KB 1032KB [ 51.262675] kmalloc-131072 650KB 650KB [ 51.262680] kmalloc-65536 264KB 264KB [ 51.262685] kmalloc-32768 825KB 825KB [ 51.262690] kmalloc-16384 181KB 181KB [ 51.262696] kmalloc-8192 519KB 519KB [ 51.262701] kmalloc-4096 5984KB 6022KB [ 51.262707] kmalloc-2048 3249KB 3251KB [ 51.262712] kmalloc-1024 4504KB 4504KB [ 51.262717] kmalloc-512 2786KB 2790KB [ 51.262722] kmalloc-256 1924KB 2448KB [ 51.262728] kmalloc-128 418KB 531KB [ 51.262733] kmalloc-96 324KB 412KB [ 51.262738] kmalloc-64 719KB 828KB [ 51.262743] kmalloc-32 1869KB 2197KB [ 51.262748] kmalloc-192 205KB 280KB [ 51.262754] kmem_cache 102KB 105KB [ 51.262758] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 51.262784] [ 1842] 0 1842 5385 173 86016 0 -1000 udevd [ 51.262799] [ 3587] 0 3587 4725 0 86016 0 0 cron [ 51.262813] [ 3633] 0 3633 12490 153 143360 0 -1000 sshd [ 51.262823] [ 3657] 0 3657 3694 0 73728 0 0 getty [ 51.262847] [ 3667] 0 3667 5681 454 86016 0 -1000 udevd [ 51.262858] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 51.262868] [ 3685] 0 3685 17821 1 184320 0 0 sshd [ 51.262892] [ 3692] 0 3692 4376 0 32768 0 0 syzkaller025682 [ 51.262907] [ 3695] 0 3695 4376 0 36864 0 0 syzkaller025682 [ 51.262913] Kernel panic - not syncing: Out of memory and no killable processes... [ 51.262913] [ 51.262920] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc9+ #212 [ 51.262924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.262926] Call Trace: [ 51.262937] dump_stack+0x194/0x257 [ 51.262951] ? arch_local_irq_restore+0x53/0x53 [ 51.262963] ? out_of_memory+0xb3a/0x1220 [ 51.262973] ? vsnprintf+0x1ed/0x1900 [ 51.262990] panic+0x1e4/0x41c [ 51.262999] ? refcount_error_report+0x214/0x214 [ 51.263010] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 51.263043] out_of_memory+0xc56/0x1220 [ 51.263065] ? oom_killer_disable+0x310/0x310 [ 51.263071] ? mutex_trylock+0x23a/0x2d0 [ 51.263082] ? __lock_is_held+0xb6/0x140 [ 51.263091] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.263118] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 51.263140] ? trace_hardirqs_on+0xd/0x10 [ 51.263178] ? warn_alloc+0x2b0/0x2b0 [ 51.263186] ? lock_downgrade+0x980/0x980 [ 51.263210] ? radix_tree_lookup_slot+0x99/0xe0 [ 51.263242] ? find_get_entry+0x53c/0x9e0 [ 51.263285] ? __lock_acquire+0x664/0x3e00 [ 51.263316] ? __lock_is_held+0xb6/0x140 [ 51.263349] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.263373] ? __might_sleep+0x95/0x190 [ 51.263389] __alloc_pages_nodemask+0x9fb/0xd80 [ 51.263409] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 51.263419] ? add_to_page_cache_lru+0x510/0x510 [ 51.263439] ? check_noncircular+0x20/0x20 [ 51.263447] ? check_noncircular+0x20/0x20 [ 51.263466] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 51.263507] alloc_pages_current+0xb6/0x1e0 [ 51.263524] __page_cache_alloc+0x334/0x500 [ 51.263533] ? rcu_read_lock_held+0xa9/0xc0 [ 51.263548] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 51.263574] filemap_fault+0xefc/0x1c20 [ 51.263582] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.263608] ? __lock_page_or_retry+0x4f0/0x4f0 [ 51.263628] ? filemap_map_pages+0x942/0x15d0 [ 51.263657] ? find_get_entries_tag+0xeb0/0xeb0 [ 51.263670] ? __lock_acquire+0x664/0x3e00 [ 51.263685] ? check_noncircular+0x20/0x20 [ 51.263692] ? print_irqtrace_events+0x270/0x270 [ 51.263699] ? add_wait_queue+0x290/0x290 [ 51.263714] ? print_irqtrace_events+0x270/0x270 [ 51.263722] ? print_irqtrace_events+0x270/0x270 [ 51.263730] ? print_irqtrace_events+0x270/0x270 [ 51.263739] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.263749] ? free_obj_work+0x690/0x690 [ 51.263764] ? cpumask_local_spread+0x250/0x250 [ 51.263782] ? lock_acquire+0x1d5/0x580 [ 51.263789] ? lock_acquire+0x1d5/0x580 [ 51.263797] ? ext4_filemap_fault+0x7a/0xad [ 51.263809] ? __lock_acquire+0x664/0x3e00 [ 51.263823] ? lock_release+0xa40/0xa40 [ 51.263831] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.263844] ? rcu_note_context_switch+0x710/0x710 [ 51.263861] ? __might_sleep+0x95/0x190 [ 51.263875] ? down_read+0x96/0x150 [ 51.263885] ? ext4_filemap_fault+0x7a/0xad [ 51.263894] ? __down_interruptible+0x6b0/0x6b0 [ 51.263921] ext4_filemap_fault+0x82/0xad [ 51.263933] __do_fault+0xeb/0x30f [ 51.263946] ? pte_offset_kernel+0xc7/0xc7 [ 51.263959] ? do_raw_spin_trylock+0x190/0x190 [ 51.263976] ? check_noncircular+0x20/0x20 [ 51.263995] __handle_mm_fault+0x1d8f/0x3ce0 [ 51.264014] ? __pmd_alloc+0x4e0/0x4e0 [ 51.264026] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.264041] ? find_held_lock+0x35/0x1d0 [ 51.264063] ? handle_mm_fault+0x248/0x8d0 [ 51.264073] ? lock_downgrade+0x980/0x980 [ 51.264122] handle_mm_fault+0x334/0x8d0 [ 51.264128] ? down_read_trylock+0xdb/0x170 [ 51.264135] ? __do_page_fault+0x32d/0xc90 [ 51.264146] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 51.264152] ? vmacache_find+0x5f/0x280 [ 51.264168] ? find_vma+0x30/0x150 [ 51.264183] __do_page_fault+0x5c9/0xc90 [ 51.264205] ? mm_fault_error+0x2c0/0x2c0 [ 51.264213] ? exit_to_usermode_loop+0x8c/0x310 [ 51.264238] do_page_fault+0xee/0x720 [ 51.264247] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 51.264257] ? __do_page_fault+0xc90/0xc90 [ 51.264280] ? syscall_return_slowpath+0x2ad/0x550 [ 51.264289] ? prepare_exit_to_usermode+0x340/0x340 [ 51.264300] ? retint_user+0x18/0x18 [ 51.264311] ? page_fault+0x36/0x60 [ 51.264321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.264335] ? page_fault+0x36/0x60 [ 51.264347] page_fault+0x4c/0x60 [ 51.264352] RIP: 0033:0x7ffa5f1e1410 [ 51.264356] RSP: 002b:00007ffe0fa32248 EFLAGS: 00010206 [ 51.264363] RAX: 0000000000000000 RBX: 00007ffe0fa329b0 RCX: 00007ffa5f299dd3 [ 51.264368] RDX: 00007ffe0fa32280 RSI: 00007ffe0fa323b0 RDI: 0000000000000011 [ 51.264372] RBP: 00007ffe0fa32b60 R08: 00007ffe0fa32be0 R09: 0000000000000001 [ 51.264376] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 51.264381] R13: 00007ffe0fa32f40 R14: 0000000000000000 R15: 0000000000000000 [ 51.265104] Dumping ftrace buffer: [ 51.265158] (ftrace buffer empty) [ 51.265161] Kernel Offset: disabled