[....] Starting enhanced syslogd: rsyslogd[ 11.132396] audit: type=1400 audit(1514385665.908:5): avc: denied { syslog } for pid=3002 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: [ 16.356312] audit: type=1400 audit(1514385671.131:6): avc: denied { map } for pid=3144 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 '10.128.15.207' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 22.534276] audit: type=1400 audit(1514385677.310:7): avc: denied { map } for pid=3158 comm="syzkaller793101" path="/root/syzkaller793101274" 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 [ 23.795944] syzkaller793101 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 23.809525] syzkaller793101 cpuset=/ mems_allowed=0 [ 23.814728] CPU: 0 PID: 3166 Comm: syzkaller793101 Not tainted 4.15.0-rc5+ #238 [ 23.822144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.831465] Call Trace: [ 23.834023] dump_stack+0x194/0x257 [ 23.837621] ? arch_local_irq_restore+0x53/0x53 [ 23.842260] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 23.847421] dump_header+0x28c/0xe1e [ 23.851105] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 23.856266] ? pagefault_out_of_memory+0x152/0x152 [ 23.861164] ? print_irqtrace_events+0x270/0x270 [ 23.865896] ? __lock_acquire+0x664/0x3e00 [ 23.870108] ? check_noncircular+0x20/0x20 [ 23.874315] ? find_held_lock+0x35/0x1d0 [ 23.878349] ? check_noncircular+0x20/0x20 [ 23.882552] ? task_will_free_mem+0x252/0xaa0 [ 23.887020] ? print_irqtrace_events+0x270/0x270 [ 23.891752] ? ___ratelimit+0x30d/0x630 [ 23.895697] ? lock_downgrade+0x980/0x980 [ 23.899814] ? lock_release+0xa40/0xa40 [ 23.903760] ? mark_held_locks+0xaf/0x100 [ 23.907876] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 23.912947] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.917930] ? trace_hardirqs_on+0xd/0x10 [ 23.922046] ? ___ratelimit+0x95/0x630 [ 23.925902] ? idr_get_free_cmn+0xfd0/0xfd0 [ 23.930188] ? check_noncircular+0x20/0x20 [ 23.934386] ? find_held_lock+0x138/0x1d0 [ 23.938506] oom_kill_process+0x8b5/0x14a0 [ 23.942709] ? has_ns_capability_noaudit+0x163/0x2a0 [ 23.947780] ? lock_downgrade+0x980/0x980 [ 23.951902] ? oom_evaluate_task+0x480/0x480 [ 23.956287] ? security_capable_noaudit+0x8b/0xc0 [ 23.961109] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 23.966178] ? has_capability+0x30/0x30 [ 23.970118] ? do_raw_spin_trylock+0x190/0x190 [ 23.974668] ? check_noncircular+0x20/0x20 [ 23.978875] ? has_capability_noaudit+0x24/0x30 [ 23.983514] ? oom_badness+0xd1/0x980 [ 23.987278] ? lock_release+0xa40/0xa40 [ 23.991219] ? do_try_to_free_pages+0xc53/0x1020 [ 23.995944] ? find_lock_task_mm+0x460/0x460 [ 24.000324] ? find_held_lock+0x35/0x1d0 [ 24.004360] ? out_of_memory+0xb3a/0x1220 [ 24.008477] ? lock_downgrade+0x980/0x980 [ 24.012606] ? lock_release+0xa40/0xa40 [ 24.016561] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 24.021469] ? oom_evaluate_task+0x284/0x480 [ 24.025853] out_of_memory+0x86d/0x1220 [ 24.029812] ? oom_killer_disable+0x310/0x310 [ 24.034276] ? mutex_trylock+0x23a/0x2d0 [ 24.038308] ? __lock_is_held+0xb6/0x140 [ 24.042334] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 24.047760] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 24.052592] ? warn_alloc+0x2b0/0x2b0 [ 24.056372] ? check_noncircular+0x20/0x20 [ 24.060576] ? switched_to_fair+0xb0/0xb0 [ 24.064693] ? __enqueue_entity+0x109/0x1e0 [ 24.068992] ? print_irqtrace_events+0x270/0x270 [ 24.073728] ? finish_task_switch+0x1d3/0x740 [ 24.078203] ? __lock_is_held+0xb6/0x140 [ 24.082242] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 24.088106] ? __might_sleep+0x95/0x190 [ 24.092059] __alloc_pages_nodemask+0x9fb/0xd80 [ 24.096702] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 24.101690] ? __sched_text_start+0x8/0x8 [ 24.105810] ? mark_held_locks+0xaf/0x100 [ 24.109959] ? retint_kernel+0x10/0x10 [ 24.113816] ? __lock_is_held+0xb6/0x140 [ 24.117860] ? rcu_note_context_switch+0x710/0x710 [ 24.122763] alloc_pages_current+0xb6/0x1e0 [ 24.127056] __vmalloc_node_range+0x409/0x650 [ 24.131528] ? xt_alloc_table_info+0x64/0xe0 [ 24.135902] __vmalloc_node_flags_caller+0x50/0x60 [ 24.140798] ? xt_alloc_table_info+0x64/0xe0 [ 24.145174] kvmalloc_node+0x82/0xd0 [ 24.148855] xt_alloc_table_info+0x64/0xe0 [ 24.153079] do_ipt_set_ctl+0x29b/0x5f0 [ 24.157030] ? translate_compat_table+0x1b90/0x1b90 [ 24.162035] ? mutex_unlock+0xd/0x10 [ 24.165720] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 24.170965] nf_setsockopt+0x67/0xc0 [ 24.174743] ip_setsockopt+0xa1/0xb0 [ 24.178426] tcp_setsockopt+0x82/0xd0 [ 24.182197] sock_common_setsockopt+0x95/0xd0 [ 24.186661] SyS_setsockopt+0x189/0x360 [ 24.190603] ? SyS_recv+0x40/0x40 [ 24.194028] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 24.199213] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.204198] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.208926] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 24.213646] RIP: 0033:0x440349 [ 24.216802] RSP: 002b:00007ffce0be7b18 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 24.224475] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440349 [ 24.231710] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 24.238947] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 24.246181] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018b0 [ 24.253415] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 24.260830] Mem-Info: [ 24.263514] active_anon:7877 inactive_anon:33 isolated_anon:0 [ 24.263514] active_file:17 inactive_file:9 isolated_file:0 [ 24.263514] unevictable:0 dirty:0 writeback:22 unstable:0 [ 24.263514] slab_reclaimable:7215 slab_unreclaimable:83148 [ 24.263514] mapped:19 shmem:40 pagetables:346 bounce:0 [ 24.263514] free:24164 free_pcp:0 free_cma:0 [ 24.295574] Node 0 active_anon:31508kB inactive_anon:132kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:76kB dirty:0kB writeback:88kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 24.322650] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 24.348791] lowmem_reserve[]: 0 2881 6394 6394 [ 24.353399] Node 0 DMA32 free:44040kB min:30380kB low:37972kB high:45564kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2953024kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 24.380571] lowmem_reserve[]: 0 0 3512 3512 [ 24.384909] Node 0 Normal free:36708kB min:37036kB low:46292kB high:55548kB active_anon:31508kB inactive_anon:132kB active_file:56kB inactive_file:372kB unevictable:0kB writepending:88kB present:4718592kB managed:3596972kB mlocked:0kB kernel_stack:3040kB pagetables:1384kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 24.414298] lowmem_reserve[]: 0 0 0 0 [ 24.418860] 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 [ 24.433150] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 3*16kB (UM) 2*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (M) 4*512kB (UM) 3*1024kB (M) 2*2048kB (UM) 8*4096kB (M) = 43552kB [ 24.448633] Node 0 Normal: 536*4kB (M) 405*8kB (M) 263*16kB (UM) 146*32kB (UM) 83*64kB (UM) 36*128kB (M) 27*256kB (UM) 11*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36728kB [ 24.464030] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 24.472601] 75 total pagecache pages [ 24.476304] 0 pages in swap cache [ 24.479760] Swap cache stats: add 0, delete 0, find 0/0 [ 24.485114] Free swap = 0kB [ 24.488129] Total swap = 0kB [ 24.491140] 1965979 pages RAM [ 24.494241] 0 pages HighMem/MovableOnly [ 24.498202] 324503 pages reserved [ 24.501698] Unreclaimable slab info: [ 24.505463] Name Used Total [ 24.511044] hashtab_node 118KB 119KB [ 24.516402] ebitmap_node 389KB 389KB [ 24.521766] avtab_node 1012KB 1013KB [ 24.527119] TIPC 1KB 7KB [ 24.532474] SCTPv6 2KB 4KB [ 24.537832] DCCPv6 2KB 7KB [ 24.543186] DCCP 2KB 6KB [ 24.548547] fib6_nodes 0KB 4KB [ 24.553912] ip6_dst_cache 11KB 11KB [ 24.559288] RAWv6 9KB 13KB [ 24.564648] UDPv6 14KB 14KB [ 24.570039] TCPv6 2KB 5KB [ 24.575415] sd_ext_cdb 0KB 3KB [ 24.580773] scsi_sense_cache 105KB 156KB [ 24.586137] virtio_scsi_cmd 16KB 16KB [ 24.591508] sgpool-128 8KB 8KB [ 24.596869] sgpool-64 4KB 6KB [ 24.602233] sgpool-32 55KB 55KB [ 24.608853] sgpool-16 21KB 22KB [ 24.614240] sgpool-8 205KB 240KB [ 24.619617] cfq_io_cq 16KB 19KB [ 24.624987] cfq_queue 24KB 30KB [ 24.630347] mqueue_inode_cache 1KB 7KB [ 24.635797] nfs_commit_data 3KB 7KB [ 24.641167] nfs_write_data 34KB 37KB [ 24.646541] jbd2_inode 1KB 3KB [ 24.651909] ext4_system_zone 0KB 3KB [ 24.657289] bio-1 1KB 3KB [ 24.662651] rpc_buffers 17KB 19KB [ 24.668033] rpc_tasks 2KB 3KB [ 24.673411] UNIX 1631KB 1641KB [ 24.678785] tcp_bind_bucket 0KB 4KB [ 24.684155] ip_fib_trie 0KB 3KB [ 24.689523] ip_fib_alias 0KB 3KB [ 24.694889] ip_dst_cache 7KB 7KB [ 24.700258] RAW 5KB 7KB [ 24.705611] UDP 29KB 31KB [ 24.710974] request_sock_TCP 1KB 3KB [ 24.716340] TCP 31KB 31KB [ 24.721710] hugetlbfs_inode_cache 1KB 7KB [ 24.727413] eventpoll_pwq 12KB 15KB [ 24.732779] eventpoll_epi 22KB 27KB [ 24.738224] inotify_inode_mark 4KB 7KB [ 24.743686] request_queue 141KB 226KB [ 24.749048] blkdev_ioc 23KB 27KB [ 24.754411] bio-0 285KB 296KB [ 24.759783] biovec-(1<<(21-12)) 503KB 503KB [ 24.765312] biovec-64 94KB 102KB [ 24.770679] biovec-16 10KB 15KB [ 24.776050] bio_integrity_payload 0KB 4KB [ 24.781755] khugepaged_mm_slot 1KB 3KB [ 24.787208] uid_cache 3KB 3KB [ 24.792563] dmaengine-unmap-2 0KB 3KB [ 24.797929] audit_buffer 0KB 3KB [ 24.803289] skbuff_fclone_cache 127KB 127KB [ 24.808828] skbuff_head_cache 1908KB 1908KB [ 24.814197] configfs_dir_cache 0KB 4KB [ 24.819663] file_lock_cache 150KB 154KB [ 24.825032] file_lock_ctx 1KB 3KB [ 24.830407] fsnotify_mark_connector 2KB 7KB [ 24.836303] shmem_inode_cache 876KB 879KB [ 24.841675] task_delay_info 333KB 415KB [ 24.847045] sigqueue 315KB 318KB [ 24.852422] kernfs_node_cache 1838KB 1842KB [ 24.857779] mnt_cache 14KB 20KB [ 24.863145] filp 8283KB 8283KB [ 24.868501] names_cache 115306KB 115345KB [ 24.873868] avc_node 39KB 39KB [ 24.879240] selinux_file_security 414KB 414KB [ 24.884944] selinux_inode_security 1908KB 1908KB [ 24.890742] key_jar 3KB 7KB [ 24.896112] nsproxy 0KB 3KB [ 24.901480] vm_area_struct 16973KB 16973KB [ 24.906849] mm_struct 3976KB 3984KB [ 24.912206] fs_cache 442KB 504KB [ 24.917569] files_cache 1454KB 1646KB [ 24.922925] signal_cache 2225KB 2594KB [ 24.928287] sighand_cache 284KB 346KB [ 24.933688] task_struct 9432KB 9432KB [ 24.939061] cred_jar 2220KB 2220KB [ 24.944431] anon_vma_chain 6937KB 6937KB [ 24.949798] anon_vma 214KB 292KB [ 24.955168] pid 223KB 296KB [ 24.960538] Acpi-Operand 126KB 186KB [ 24.965909] Acpi-ParseExt 0KB 11KB [ 24.971266] Acpi-Parse 22KB 35KB [ 24.976613] Acpi-State 22KB 39KB [ 24.981956] Acpi-Namespace 19KB 27KB [ 24.987303] numa_policy 0KB 3KB [ 24.992651] debug_objects_cache 469KB 469KB [ 24.998177] trace_event_file 144KB 147KB [ 25.003521] ftrace_event_field 254KB 255KB [ 25.008954] pool_workqueue 21KB 24KB [ 25.014304] page->ptl 2727KB 2727KB [ 25.019665] kmalloc-262144 1032KB 1032KB [ 25.025022] kmalloc-131072 650KB 650KB [ 25.030378] kmalloc-65536 264KB 264KB [ 25.035726] kmalloc-32768 462KB 462KB [ 25.041069] kmalloc-16384 148KB 148KB [ 25.046413] kmalloc-8192 363KB 363KB [ 25.051759] kmalloc-4096 8410KB 8449KB [ 25.057104] kmalloc-2048 2996KB 2996KB [ 25.062447] kmalloc-1024 3512KB 3512KB [ 25.067791] kmalloc-512 3159KB 3300KB [ 25.073150] kmalloc-256 1620KB 1882KB [ 25.078506] kmalloc-128 429KB 511KB [ 25.083850] kmalloc-96 393KB 432KB [ 25.089197] kmalloc-64 751KB 816KB [ 25.094547] kmalloc-32 1846KB 2169KB [ 25.099934] kmalloc-192 232KB 292KB [ 25.105279] kmem_cache 96KB 101KB [ 25.110620] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 25.119237] [ 1605] 0 1605 5385 185 86016 0 -1000 udevd [ 25.127401] [ 2867] 0 2867 2493 573 65536 0 0 dhclient [ 25.135787] [ 3002] 0 3002 30649 109 122880 0 0 rsyslogd [ 25.144181] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 25.152221] [ 3076] 0 3076 3735 44 73728 0 0 mcstransd [ 25.160695] [ 3078] 0 3078 12927 1227 131072 0 0 restorecond [ 25.169342] [ 3104] 0 3104 12490 152 151552 0 -1000 sshd [ 25.177386] [ 3128] 0 3128 3694 40 73728 0 0 getty [ 25.185521] [ 3129] 0 3129 3694 41 73728 0 0 getty [ 25.193655] [ 3130] 0 3130 3694 40 73728 0 0 getty [ 25.201782] [ 3131] 0 3131 3694 39 73728 0 0 getty [ 25.209907] [ 3132] 0 3132 3694 41 77824 0 0 getty [ 25.218036] [ 3133] 0 3133 3694 41 77824 0 0 getty [ 25.226179] [ 3134] 0 3134 3649 40 73728 0 0 getty [ 25.234308] [ 3139] 0 3139 5681 454 81920 0 -1000 udevd [ 25.242435] [ 3140] 0 3140 5681 454 81920 0 -1000 udevd [ 25.250559] [ 3156] 0 3156 17821 197 180224 0 0 sshd [ 25.258606] [ 3158] 0 3158 280 1 32768 0 0 syzkaller793101 [ 25.267605] [ 3159] 0 3159 4375 522 36864 0 0 syzkaller793101 [ 25.276605] [ 3160] 0 3160 4375 522 36864 0 0 syzkaller793101 [ 25.285609] [ 3161] 0 3161 4375 522 36864 0 0 syzkaller793101 [ 25.294607] [ 3162] 0 3162 4375 522 36864 0 0 syzkaller793101 [ 25.303608] [ 3163] 0 3163 4375 522 36864 0 0 syzkaller793101 [ 25.312604] [ 3164] 0 3164 4375 522 36864 0 0 syzkaller793101 [ 25.321604] [ 3165] 0 3165 4375 522 36864 0 0 syzkaller793101 [ 25.330600] [ 3166] 0 3166 4375 522 36864 0 0 syzkaller793101 [ 25.339595] Out of memory: Kill process 3078 (restorecond) score 0 or sacrifice child [ 25.347846] Killed process 3078 (restorecond) total-vm:51708kB, anon-rss:4908kB, file-rss:0kB, shmem-rss:0kB [ 25.786516] syzkaller793101 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 25.825888] syzkaller793101 cpuset=/ mems_allowed=0 [ 25.830985] CPU: 0 PID: 3166 Comm: syzkaller793101 Not tainted 4.15.0-rc5+ #238 [ 25.838409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.847739] Call Trace: [ 25.850312] dump_stack+0x194/0x257 [ 25.853927] ? arch_local_irq_restore+0x53/0x53 [ 25.858583] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.863767] dump_header+0x28c/0xe1e [ 25.867475] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.872647] ? print_irqtrace_events+0x270/0x270 [ 25.877388] ? pagefault_out_of_memory+0x152/0x152 [ 25.882295] ? check_noncircular+0x20/0x20 [ 25.886511] ? print_irqtrace_events+0x270/0x270 [ 25.891254] ? __lock_acquire+0x664/0x3e00 [ 25.895480] ? check_noncircular+0x20/0x20 [ 25.899708] ? find_held_lock+0x35/0x1d0 [ 25.903761] ? check_noncircular+0x20/0x20 [ 25.907980] ? task_will_free_mem+0x252/0xaa0 [ 25.912464] ? print_irqtrace_events+0x270/0x270 [ 25.917213] ? ___ratelimit+0x30d/0x630 [ 25.921167] ? lock_downgrade+0x980/0x980 [ 25.925300] ? lock_release+0xa40/0xa40 [ 25.929263] ? mark_held_locks+0xaf/0x100 [ 25.933395] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 25.938481] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.943477] ? trace_hardirqs_on+0xd/0x10 [ 25.947614] ? ___ratelimit+0x95/0x630 [ 25.951487] ? idr_get_free_cmn+0xfd0/0xfd0 [ 25.955791] ? check_noncircular+0x20/0x20 [ 25.960003] ? find_held_lock+0x138/0x1d0 [ 25.964149] oom_kill_process+0x8b5/0x14a0 [ 25.968372] ? has_ns_capability_noaudit+0x163/0x2a0 [ 25.973457] ? lock_downgrade+0x980/0x980 [ 25.977595] ? oom_evaluate_task+0x480/0x480 [ 25.982004] ? security_capable_noaudit+0x8b/0xc0 [ 25.986834] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 25.991920] ? has_capability+0x30/0x30 [ 25.995876] ? do_raw_spin_trylock+0x190/0x190 [ 26.000444] ? check_noncircular+0x20/0x20 [ 26.004674] ? has_capability_noaudit+0x24/0x30 [ 26.009326] ? oom_badness+0xd1/0x980 [ 26.013106] ? lock_release+0xa40/0xa40 [ 26.017059] ? do_try_to_free_pages+0xc53/0x1020 [ 26.021804] ? find_lock_task_mm+0x460/0x460 [ 26.026204] ? find_held_lock+0x35/0x1d0 [ 26.030260] ? out_of_memory+0xb3a/0x1220 [ 26.034395] ? lock_downgrade+0x980/0x980 [ 26.038601] ? lock_release+0xa40/0xa40 [ 26.042562] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 26.047487] ? oom_evaluate_task+0x284/0x480 [ 26.051884] out_of_memory+0x86d/0x1220 [ 26.055836] ? trace_hardirqs_on+0xd/0x10 [ 26.059980] ? oom_killer_disable+0x310/0x310 [ 26.064452] ? mutex_trylock+0x23a/0x2d0 [ 26.068499] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 26.073927] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 26.079808] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 26.084681] ? warn_alloc+0x2b0/0x2b0 [ 26.088488] ? check_noncircular+0x20/0x20 [ 26.092707] ? switched_to_fair+0xb0/0xb0 [ 26.096844] ? __enqueue_entity+0x109/0x1e0 [ 26.101169] ? print_irqtrace_events+0x270/0x270 [ 26.105915] ? finish_task_switch+0x1d3/0x740 [ 26.110439] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 26.116323] ? __might_sleep+0x95/0x190 [ 26.120285] __alloc_pages_nodemask+0x9fb/0xd80 [ 26.124948] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 26.129955] ? __sched_text_start+0x8/0x8 [ 26.134090] ? mark_held_locks+0xaf/0x100 [ 26.138221] ? retint_kernel+0x10/0x10 [ 26.142095] ? __lock_is_held+0xb6/0x140 [ 26.146161] ? rcu_note_context_switch+0x710/0x710 [ 26.151077] alloc_pages_current+0xb6/0x1e0 [ 26.155370] __vmalloc_node_range+0x409/0x650 [ 26.159840] ? xt_alloc_table_info+0x64/0xe0 [ 26.164214] __vmalloc_node_flags_caller+0x50/0x60 [ 26.169115] ? xt_alloc_table_info+0x64/0xe0 [ 26.173492] kvmalloc_node+0x82/0xd0 [ 26.177174] xt_alloc_table_info+0x64/0xe0 [ 26.181376] do_ipt_set_ctl+0x29b/0x5f0 [ 26.185320] ? translate_compat_table+0x1b90/0x1b90 [ 26.190313] ? mutex_unlock+0xd/0x10 [ 26.193992] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 26.199639] nf_setsockopt+0x67/0xc0 [ 26.203324] ip_setsockopt+0xa1/0xb0 [ 26.207014] tcp_setsockopt+0x82/0xd0 [ 26.210792] sock_common_setsockopt+0x95/0xd0 [ 26.215258] SyS_setsockopt+0x189/0x360 [ 26.219206] ? SyS_recv+0x40/0x40 [ 26.222629] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 26.227440] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.232424] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 26.237152] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 26.241873] RIP: 0033:0x440349 [ 26.245029] RSP: 002b:00007ffce0be7b18 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 26.252705] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440349 [ 26.259941] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 26.267175] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 26.274409] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018b0 [ 26.281646] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 26.288983] Mem-Info: [ 26.291421] active_anon:6648 inactive_anon:33 isolated_anon:0 [ 26.291421] active_file:19 inactive_file:17 isolated_file:0 [ 26.291421] unevictable:0 dirty:0 writeback:0 unstable:0 [ 26.291421] slab_reclaimable:7215 slab_unreclaimable:83148 [ 26.291421] mapped:2 shmem:40 pagetables:320 bounce:0 [ 26.291421] free:24104 free_pcp:33 free_cma:0 [ 26.323470] Node 0 active_anon:26592kB inactive_anon:132kB active_file:76kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 26.350372] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 26.376509] lowmem_reserve[]: 0 2881 6394 6394 [ 26.381124] Node 0 DMA32 free:43552kB min:30380kB low:37972kB high:45564kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2953024kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 26.408311] lowmem_reserve[]: 0 0 3512 3512 [ 26.412662] Node 0 Normal free:36956kB min:37036kB low:46292kB high:55548kB active_anon:26592kB inactive_anon:132kB active_file:12kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3596972kB mlocked:0kB kernel_stack:3008kB pagetables:1280kB bounce:0kB free_pcp:132kB local_pcp:120kB free_cma:0kB [ 26.441584] lowmem_reserve[]: 0 0 0 0 [ 26.445414] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 26.459050] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 3*16kB (UM) 2*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (M) 4*512kB (UM) 3*1024kB (M) 2*2048kB (UM) 8*4096kB (M) = 43552kB [ 26.474524] Node 0 Normal: 467*4kB (M) 358*8kB (UM) 254*16kB (M) 176*32kB (UM) 80*64kB (UM) 46*128kB (M) 25*256kB (M) 10*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36956kB [ 26.489810] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 26.498386] 71 total pagecache pages [ 26.502107] 0 pages in swap cache [ 26.505568] Swap cache stats: add 0, delete 0, find 0/0 [ 26.510935] Free swap = 0kB [ 26.513952] Total swap = 0kB [ 26.516969] 1965979 pages RAM [ 26.520076] 0 pages HighMem/MovableOnly [ 26.524052] 324503 pages reserved [ 26.527506] Unreclaimable slab info: [ 26.531227] Name Used Total [ 26.536780] hashtab_node 118KB 119KB [ 26.542155] ebitmap_node 389KB 389KB [ 26.547532] avtab_node 1012KB 1013KB [ 26.552901] TIPC 1KB 7KB [ 26.558272] SCTPv6 2KB 4KB [ 26.563645] DCCPv6 2KB 7KB [ 26.569062] DCCP 2KB 6KB [ 26.576244] fib6_nodes 0KB 4KB [ 26.581619] ip6_dst_cache 11KB 11KB [ 26.586992] RAWv6 9KB 13KB [ 26.592363] UDPv6 14KB 14KB [ 26.597731] TCPv6 2KB 5KB [ 26.603107] sd_ext_cdb 0KB 3KB [ 26.608476] scsi_sense_cache 105KB 156KB [ 26.613847] virtio_scsi_cmd 16KB 16KB [ 26.619219] sgpool-128 8KB 8KB [ 26.624595] sgpool-64 4KB 6KB [ 26.629967] sgpool-32 55KB 55KB [ 26.635346] sgpool-16 22KB 22KB [ 26.640717] sgpool-8 205KB 240KB [ 26.646088] cfq_io_cq 16KB 19KB [ 26.651461] cfq_queue 24KB 30KB [ 26.656834] mqueue_inode_cache 1KB 7KB [ 26.662291] nfs_commit_data 3KB 7KB [ 26.667664] nfs_write_data 34KB 37KB [ 26.673035] jbd2_inode 1KB 3KB [ 26.678402] ext4_system_zone 0KB 3KB [ 26.684122] bio-1 1KB 3KB [ 26.695742] rpc_buffers 17KB 19KB [ 26.701116] rpc_tasks 2KB 3KB [ 26.706792] UNIX 1631KB 1641KB [ 26.713486] tcp_bind_bucket 0KB 4KB [ 26.719481] ip_fib_trie 0KB 3KB [ 26.725299] ip_fib_alias 0KB 3KB [ 26.730675] ip_dst_cache 7KB 7KB [ 26.736045] RAW 5KB 7KB [ 26.741414] UDP 29KB 31KB [ 26.746785] request_sock_TCP 1KB 3KB [ 26.752154] TCP 31KB 31KB [ 26.757528] hugetlbfs_inode_cache 1KB 7KB [ 26.763251] eventpoll_pwq 12KB 15KB [ 26.768626] eventpoll_epi 22KB 27KB [ 26.773997] inotify_inode_mark 4KB 7KB [ 26.779456] request_queue 141KB 226KB [ 26.784826] blkdev_ioc 23KB 27KB [ 26.790197] bio-0 285KB 296KB [ 26.795568] biovec-(1<<(21-12)) 503KB 503KB [ 26.801112] biovec-64 102KB 102KB [ 26.806482] biovec-16 15KB 15KB [ 26.811854] bio_integrity_payload 0KB 4KB [ 26.817572] khugepaged_mm_slot 1KB 3KB [ 26.823042] uid_cache 3KB 3KB [ 26.828410] dmaengine-unmap-2 0KB 3KB [ 26.842675] audit_buffer 0KB 3KB [ 26.848667] skbuff_fclone_cache 127KB 127KB [ 26.854599] skbuff_head_cache 1908KB 1908KB [ 26.859967] configfs_dir_cache 0KB 4KB [ 26.865424] file_lock_cache 150KB 154KB [ 26.870794] file_lock_ctx 1KB 3KB [ 26.876163] fsnotify_mark_connector 2KB 7KB [ 26.882054] shmem_inode_cache 876KB 879KB [ 26.887424] task_delay_info 333KB 415KB [ 26.892810] sigqueue 315KB 318KB [ 26.898176] kernfs_node_cache 1838KB 1842KB [ 26.903549] mnt_cache 14KB 20KB [ 26.908904] filp 8283KB 8283KB [ 26.914265] names_cache 115306KB 115345KB [ 26.919640] avc_node 39KB 39KB [ 26.925031] selinux_file_security 414KB 414KB [ 26.930746] selinux_inode_security 1908KB 1908KB [ 26.936551] key_jar 3KB 7KB [ 26.941919] nsproxy 0KB 3KB [ 26.947286] vm_area_struct 16973KB 16973KB [ 26.952655] mm_struct 3976KB 3984KB [ 26.958055] fs_cache 442KB 504KB [ 26.965078] files_cache 1454KB 1646KB [ 26.971094] signal_cache 2225KB 2594KB [ 26.976490] sighand_cache 284KB 346KB [ 26.981863] task_struct 9432KB 9432KB [ 26.987235] cred_jar 2220KB 2220KB [ 26.992604] anon_vma_chain 6937KB 6937KB [ 26.997980] anon_vma 214KB 292KB [ 27.003352] pid 223KB 296KB [ 27.008722] Acpi-Operand 126KB 186KB [ 27.014092] Acpi-ParseExt 0KB 11KB [ 27.019461] Acpi-Parse 22KB 35KB [ 27.024869] Acpi-State 22KB 39KB [ 27.032583] Acpi-Namespace 19KB 27KB [ 27.040543] numa_policy 0KB 3KB [ 27.047928] debug_objects_cache 469KB 469KB [ 27.059976] trace_event_file 144KB 147KB [ 27.065352] ftrace_event_field 254KB 255KB [ 27.070807] pool_workqueue 21KB 24KB [ 27.076171] page->ptl 2727KB 2727KB [ 27.081559] kmalloc-262144 1032KB 1032KB [ 27.086925] kmalloc-131072 650KB 650KB [ 27.092286] kmalloc-65536 264KB 264KB [ 27.097652] kmalloc-32768 462KB 462KB [ 27.103045] kmalloc-16384 148KB 148KB [ 27.116153] kmalloc-8192 363KB 363KB [ 27.121563] kmalloc-4096 8410KB 8449KB [ 27.126913] kmalloc-2048 2996KB 2996KB [ 27.132262] kmalloc-1024 3512KB 3512KB [ 27.137609] kmalloc-512 3159KB 3300KB [ 27.142953] kmalloc-256 1620KB 1882KB [ 27.148300] kmalloc-128 429KB 511KB [ 27.153642] kmalloc-96 393KB 432KB [ 27.158985] kmalloc-64 751KB 816KB [ 27.164336] kmalloc-32 1846KB 2169KB [ 27.169679] kmalloc-192 232KB 292KB [ 27.175022] kmem_cache 96KB 101KB [ 27.180367] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 27.188946] [ 1605] 0 1605 5385 185 86016 0 -1000 udevd [ 27.197072] [ 2867] 0 2867 2493 573 65536 0 0 dhclient [ 27.205471] [ 3002] 0 3002 30649 109 122880 0 0 rsyslogd [ 27.213872] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 27.221912] [ 3076] 0 3076 3735 44 73728 0 0 mcstransd [ 27.230439] [ 3104] 0 3104 12490 152 151552 0 -1000 sshd [ 27.238504] [ 3128] 0 3128 3694 40 73728 0 0 getty [ 27.246642] [ 3129] 0 3129 3694 41 73728 0 0 getty [ 27.254771] [ 3130] 0 3130 3694 40 73728 0 0 getty [ 27.262903] [ 3131] 0 3131 3694 39 73728 0 0 getty [ 27.271029] [ 3132] 0 3132 3694 41 77824 0 0 getty [ 27.279157] [ 3133] 0 3133 3694 41 77824 0 0 getty [ 27.287284] [ 3134] 0 3134 3649 40 73728 0 0 getty [ 27.295419] [ 3139] 0 3139 5681 454 81920 0 -1000 udevd [ 27.303552] [ 3140] 0 3140 5681 454 81920 0 -1000 udevd [ 27.311684] [ 3156] 0 3156 17821 197 180224 0 0 sshd [ 27.319721] [ 3158] 0 3158 280 1 32768 0 0 syzkaller793101 [ 27.328735] [ 3159] 0 3159 4375 522 36864 0 0 syzkaller793101 [ 27.337761] [ 3160] 0 3160 4375 522 36864 0 0 syzkaller793101 [ 27.346781] [ 3161] 0 3161 4375 522 36864 0 0 syzkaller793101 [ 27.355788] [ 3162] 0 3162 4375 522 36864 0 0 syzkaller793101 [ 27.364811] [ 3163] 0 3163 4375 522 36864 0 0 syzkaller793101 [ 27.373821] [ 3164] 0 3164 4375 522 36864 0 0 syzkaller793101 [ 27.382834] [ 3165] 0 3165 4375 522 36864 0 0 syzkaller793101 [ 27.391835] [ 3166] 0 3166 4375 522 36864 0 0 syzkaller793101 [ 27.400839] Out of memory: Kill process 2867 (dhclient) score 0 or sacrifice child [ 27.408561] Killed process 2867 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 27.429478] syzkaller793101 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 27.442957] syzkaller793101 cpuset=/ mems_allowed=0 [ 27.448086] CPU: 0 PID: 3166 Comm: syzkaller793101 Not tainted 4.15.0-rc5+ #238 [ 27.455511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.464844] Call Trace: [ 27.467414] dump_stack+0x194/0x257 [ 27.471035] ? arch_local_irq_restore+0x53/0x53 [ 27.475690] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.480864] dump_header+0x28c/0xe1e [ 27.484564] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.489736] ? print_irqtrace_events+0x270/0x270 [ 27.494482] ? pagefault_out_of_memory+0x152/0x152 [ 27.499394] ? check_noncircular+0x20/0x20 [ 27.503611] ? print_irqtrace_events+0x270/0x270 [ 27.508359] ? __lock_acquire+0x664/0x3e00 [ 27.512580] ? check_noncircular+0x20/0x20 [ 27.516796] ? find_held_lock+0x35/0x1d0 [ 27.520843] ? check_noncircular+0x20/0x20 [ 27.525065] ? task_will_free_mem+0x252/0xaa0 [ 27.529548] ? print_irqtrace_events+0x270/0x270 [ 27.534327] ? ___ratelimit+0x30d/0x630 [ 27.538300] ? lock_downgrade+0x980/0x980 [ 27.542451] ? lock_release+0xa40/0xa40 [ 27.546415] ? mark_held_locks+0xaf/0x100 [ 27.550567] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 27.555657] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.560655] ? trace_hardirqs_on+0xd/0x10 [ 27.564787] ? ___ratelimit+0x95/0x630 [ 27.568659] ? idr_get_free_cmn+0xfd0/0xfd0 [ 27.572964] ? check_noncircular+0x20/0x20 [ 27.577175] ? find_held_lock+0x138/0x1d0 [ 27.581320] oom_kill_process+0x8b5/0x14a0 [ 27.585548] ? has_ns_capability_noaudit+0x163/0x2a0 [ 27.590636] ? lock_downgrade+0x980/0x980 [ 27.594777] ? oom_evaluate_task+0x480/0x480 [ 27.599188] ? security_capable_noaudit+0x8b/0xc0 [ 27.604015] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 27.609094] ? has_capability+0x30/0x30 [ 27.613039] ? do_raw_spin_trylock+0x190/0x190 [ 27.617588] ? check_noncircular+0x20/0x20 [ 27.621794] ? has_capability_noaudit+0x24/0x30 [ 27.626434] ? oom_badness+0xd1/0x980 [ 27.630200] ? lock_release+0xa40/0xa40 [ 27.634141] ? do_try_to_free_pages+0xc53/0x1020 [ 27.638872] ? find_lock_task_mm+0x460/0x460 [ 27.643252] ? find_held_lock+0x35/0x1d0 [ 27.647284] ? out_of_memory+0xb3a/0x1220 [ 27.651401] ? lock_downgrade+0x980/0x980 [ 27.655522] ? lock_release+0xa40/0xa40 [ 27.659463] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 27.664366] ? oom_evaluate_task+0x284/0x480 [ 27.668753] out_of_memory+0x86d/0x1220 [ 27.672700] ? trace_hardirqs_on+0xd/0x10 [ 27.676825] ? oom_killer_disable+0x310/0x310 [ 27.681287] ? mutex_trylock+0x23a/0x2d0 [ 27.685319] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 27.690735] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 27.696601] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 27.701437] ? warn_alloc+0x2b0/0x2b0 [ 27.705219] ? check_noncircular+0x20/0x20 [ 27.709438] ? switched_to_fair+0xb0/0xb0 [ 27.713572] ? __enqueue_entity+0x109/0x1e0 [ 27.717873] ? print_irqtrace_events+0x270/0x270 [ 27.722600] ? finish_task_switch+0x1d3/0x740 [ 27.727090] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 27.732962] ? __might_sleep+0x95/0x190 [ 27.736906] __alloc_pages_nodemask+0x9fb/0xd80 [ 27.741547] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 27.746535] ? __sched_text_start+0x8/0x8 [ 27.750652] ? mark_held_locks+0xaf/0x100 [ 27.754769] ? retint_kernel+0x10/0x10 [ 27.758625] ? __lock_is_held+0xb6/0x140 [ 27.762676] ? rcu_note_context_switch+0x710/0x710 [ 27.767576] alloc_pages_current+0xb6/0x1e0 [ 27.771872] __vmalloc_node_range+0x409/0x650 [ 27.776344] ? xt_alloc_table_info+0x64/0xe0 [ 27.780719] __vmalloc_node_flags_caller+0x50/0x60 [ 27.785617] ? xt_alloc_table_info+0x64/0xe0 [ 27.789993] kvmalloc_node+0x82/0xd0 [ 27.793680] xt_alloc_table_info+0x64/0xe0 [ 27.797884] do_ipt_set_ctl+0x29b/0x5f0 [ 27.801830] ? translate_compat_table+0x1b90/0x1b90 [ 27.806824] ? mutex_unlock+0xd/0x10 [ 27.810512] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 27.815778] nf_setsockopt+0x67/0xc0 [ 27.819486] ip_setsockopt+0xa1/0xb0 [ 27.823190] tcp_setsockopt+0x82/0xd0 [ 27.826983] sock_common_setsockopt+0x95/0xd0 [ 27.831458] SyS_setsockopt+0x189/0x360 [ 27.835420] ? SyS_recv+0x40/0x40 [ 27.838860] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 27.843690] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.848694] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 27.853447] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 27.858180] RIP: 0033:0x440349 [ 27.861347] RSP: 002b:00007ffce0be7b18 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 27.869036] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440349 [ 27.876278] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 27.883526] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 27.890774] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018b0 [ 27.898021] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 27.905529] Mem-Info: [ 27.907992] active_anon:6075 inactive_anon:33 isolated_anon:0 [ 27.907992] active_file:12 inactive_file:19 isolated_file:0 [ 27.907992] unevictable:0 dirty:0 writeback:0 unstable:0 [ 27.907992] slab_reclaimable:7215 slab_unreclaimable:83148 [ 27.907992] mapped:2 shmem:40 pagetables:310 bounce:0 [ 27.907992] free:24112 free_pcp:216 free_cma:0 [ 27.940129] Node 0 active_anon:24300kB inactive_anon:132kB active_file:48kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 27.967038] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 27.993170] lowmem_reserve[]: 0 2881 6394 6394 [ 27.997781] Node 0 DMA32 free:43552kB min:30380kB low:37972kB high:45564kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2953024kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 28.024945] lowmem_reserve[]: 0 0 3512 3512 [ 28.029282] Node 0 Normal free:36988kB min:37036kB low:46292kB high:55548kB active_anon:24300kB inactive_anon:132kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3596972kB mlocked:0kB kernel_stack:2976kB pagetables:1240kB bounce:0kB free_pcp:864kB local_pcp:120kB free_cma:0kB [ 28.067141] lowmem_reserve[]: 0 0 0 0 [ 28.070984] 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 [ 28.091133] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 3*16kB (UM) 2*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (M) 4*512kB (UM) 3*1024kB (M) 2*2048kB (UM) 8*4096kB (M) = 43552kB [ 28.107384] Node 0 Normal: 455*4kB (UM) 346*8kB (M) 245*16kB (UM) 164*32kB (M) 79*64kB (M) 50*128kB (UM) 28*256kB (UM) 9*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36988kB [ 28.122678] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 28.131254] 71 total pagecache pages [ 28.134972] 0 pages in swap cache [ 28.138420] Swap cache stats: add 0, delete 0, find 0/0 [ 28.143777] Free swap = 0kB [ 28.146797] Total swap = 0kB [ 28.149819] 1965979 pages RAM [ 28.152933] 0 pages HighMem/MovableOnly [ 28.156912] 324503 pages reserved [ 28.160368] Unreclaimable slab info: [ 28.164082] Name Used Total [ 28.171135] hashtab_node 118KB 119KB [ 28.189942] ebitmap_node 389KB 389KB [ 28.196612] avtab_node 1012KB 1013KB [ 28.203854] TIPC 1KB 7KB [ 28.211827] SCTPv6 2KB 4KB [ 28.222847] DCCPv6 2KB 7KB [ 28.230702] DCCP 2KB 6KB [ 28.238567] fib6_nodes 0KB 4KB [ 28.245329] ip6_dst_cache 11KB 11KB [ 28.258905] RAWv6 9KB 13KB [ 28.270803] UDPv6 14KB 14KB [ 28.276180] TCPv6 2KB 5KB [ 28.281552] sd_ext_cdb 0KB 3KB [ 28.286919] scsi_sense_cache 105KB 156KB [ 28.292285] virtio_scsi_cmd 16KB 16KB [ 28.307040] sgpool-128 8KB 8KB [ 28.312423] sgpool-64 4KB 6KB [ 28.317793] sgpool-32 55KB 55KB [ 28.323164] sgpool-16 22KB 22KB [ 28.328535] sgpool-8 205KB 240KB [ 28.333911] cfq_io_cq 16KB 19KB [ 28.339278] cfq_queue 24KB 30KB [ 28.344647] mqueue_inode_cache 1KB 7KB [ 28.350102] nfs_commit_data 3KB 7KB [ 28.355474] nfs_write_data 34KB 37KB [ 28.360842] jbd2_inode 1KB 3KB [ 28.366211] ext4_system_zone 0KB 3KB [ 28.371589] bio-1 1KB 3KB [ 28.376969] rpc_buffers 17KB 19KB [ 28.382338] rpc_tasks 2KB 3KB [ 28.387712] UNIX 1631KB 1641KB [ 28.393084] tcp_bind_bucket 0KB 4KB [ 28.398458] ip_fib_trie 0KB 3KB [ 28.403828] ip_fib_alias 0KB 3KB [ 28.415734] ip_dst_cache 7KB 7KB [ 28.421101] RAW 5KB 7KB [ 28.426462] UDP 29KB 31KB [ 28.431836] request_sock_TCP 1KB 3KB [ 28.437203] TCP 31KB 31KB [ 28.442575] hugetlbfs_inode_cache 1KB 7KB [ 28.448302] eventpoll_pwq 12KB 15KB [ 28.453675] eventpoll_epi 22KB 27KB [ 28.459040] inotify_inode_mark 4KB 7KB [ 28.464508] request_queue 141KB 226KB [ 28.472232] blkdev_ioc 23KB 27KB [ 28.477601] bio-0 285KB 296KB [ 28.482969] biovec-(1<<(21-12)) 503KB 503KB [ 28.488514] biovec-64 102KB 102KB [ 28.493884] biovec-16 15KB 15KB [ 28.499250] bio_integrity_payload 0KB 4KB [ 28.504967] khugepaged_mm_slot 1KB 3KB [ 28.510425] uid_cache 3KB 3KB [ 28.515789] dmaengine-unmap-2 0KB 3KB [ 28.521161] audit_buffer 0KB 3KB [ 28.526529] skbuff_fclone_cache 127KB 127KB [ 28.532073] skbuff_head_cache 1908KB 1908KB [ 28.537448] configfs_dir_cache 0KB 4KB [ 28.542910] file_lock_cache 150KB 154KB [ 28.548279] file_lock_ctx 1KB 3KB [ 28.553646] fsnotify_mark_connector 2KB 7KB [ 28.559538] shmem_inode_cache 876KB 879KB [ 28.564909] task_delay_info 333KB 415KB [ 28.570279] sigqueue 315KB 318KB [ 28.575650] kernfs_node_cache 1838KB 1842KB [ 28.581032] mnt_cache 14KB 20KB [ 28.586402] filp 8283KB 8283KB [ 28.591771] names_cache 115306KB 115345KB [ 28.597150] avc_node 39KB 39KB [ 28.602518] selinux_file_security 414KB 414KB [ 28.608243] selinux_inode_security 1908KB 1908KB [ 28.614044] key_jar 3KB 7KB [ 28.619418] nsproxy 0KB 3KB [ 28.624790] vm_area_struct 16973KB 16973KB [ 28.630160] mm_struct 3976KB 3984KB [ 28.635530] fs_cache 442KB 504KB [ 28.640904] files_cache 1454KB 1646KB [ 28.646275] signal_cache 2225KB 2594KB [ 28.651647] sighand_cache 284KB 346KB [ 28.657052] task_struct 9432KB 9432KB [ 28.662431] cred_jar 2220KB 2220KB [ 28.667801] anon_vma_chain 6937KB 6937KB [ 28.673171] anon_vma 214KB 292KB [ 28.678540] pid 223KB 296KB [ 28.683911] Acpi-Operand 126KB 186KB [ 28.689279] Acpi-ParseExt 0KB 11KB [ 28.694650] Acpi-Parse 22KB 35KB [ 28.700031] Acpi-State 22KB 39KB [ 28.705488] Acpi-Namespace 19KB 27KB [ 28.710864] numa_policy 0KB 3KB [ 28.716238] debug_objects_cache 469KB 469KB [ 28.721780] trace_event_file 144KB 147KB [ 28.731066] ftrace_event_field 254KB 255KB [ 28.736541] pool_workqueue 21KB 24KB [ 28.741900] page->ptl 2727KB 2727KB [ 28.747256] kmalloc-262144 1032KB 1032KB [ 28.752599] kmalloc-131072 650KB 650KB [ 28.757942] kmalloc-65536 264KB 264KB [ 28.763285] kmalloc-32768 462KB 462KB [ 28.768683] kmalloc-16384 148KB 148KB [ 28.774030] kmalloc-8192 363KB 363KB [ 28.779374] kmalloc-4096 8410KB 8449KB [ 28.784717] kmalloc-2048 2996KB 2996KB [ 28.790061] kmalloc-1024 3512KB 3512KB [ 28.795411] kmalloc-512 3159KB 3300KB [ 28.800755] kmalloc-256 1620KB 1882KB [ 28.806099] kmalloc-128 429KB 511KB [ 28.811445] kmalloc-96 393KB 432KB [ 28.816788] kmalloc-64 751KB 816KB [ 28.822131] kmalloc-32 1846KB 2169KB [ 28.827474] kmalloc-192 232KB 292KB [ 28.833211] kmem_cache 96KB 101KB [ 28.844173] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 28.857202] [ 1605] 0 1605 5385 185 86016 0 -1000 udevd [ 28.865355] [ 3002] 0 3002 30649 109 122880 0 0 rsyslogd [ 28.873742] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 28.881781] [ 3076] 0 3076 3735 44 73728 0 0 mcstransd [ 28.890255] [ 3104] 0 3104 12490 152 151552 0 -1000 sshd [ 28.898296] [ 3128] 0 3128 3694 40 73728 0 0 getty [ 28.906426] [ 3129] 0 3129 3694 41 73728 0 0 getty [ 28.914566] [ 3130] 0 3130 3694 40 73728 0 0 getty [ 28.922690] [ 3131] 0 3131 3694 39 73728 0 0 getty [ 28.930818] [ 3132] 0 3132 3694 41 77824 0 0 getty [ 28.938943] [ 3133] 0 3133 3694 41 77824 0 0 getty [ 28.947067] [ 3134] 0 3134 3649 40 73728 0 0 getty [ 28.955233] [ 3139] 0 3139 5681 454 81920 0 -1000 udevd [ 28.963403] [ 3140] 0 3140 5681 454 81920 0 -1000 udevd [ 28.971555] [ 3156] 0 3156 17821 197 180224 0 0 sshd [ 28.979622] [ 3158] 0 3158 280 1 32768 0 0 syzkaller793101 [ 28.988817] [ 3159] 0 3159 4375 522 36864 0 0 syzkaller793101 [ 28.997842] [ 3160] 0 3160 4375 522 36864 0 0 syzkaller793101 [ 29.006864] [ 3161] 0 3161 4375 522 36864 0 0 syzkaller793101 [ 29.015887] [ 3162] 0 3162 4375 522 36864 0 0 syzkaller793101 [ 29.024897] [ 3163] 0 3163 4375 522 36864 0 0 syzkaller793101 [ 29.033904] [ 3164] 0 3164 4375 522 36864 0 0 syzkaller793101 [ 29.042899] [ 3165] 0 3165 4375 522 36864 0 0 syzkaller793101 [ 29.051893] [ 3166] 0 3166 4375 522 36864 0 0 syzkaller793101 [ 29.060892] Out of memory: Kill process 3159 (syzkaller793101) score 0 or sacrifice child [ 29.069204] Killed process 3159 (syzkaller793101) total-vm:17500kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 29.088299] oom_reaper: reaped process 3159 (syzkaller793101), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 29.224687] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 29.237793] udevd cpuset=/ mems_allowed=0 [ 29.242107] CPU: 1 PID: 1605 Comm: udevd Not tainted 4.15.0-rc5+ #238 [ 29.248662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.257993] Call Trace: [ 29.260564] dump_stack+0x194/0x257 [ 29.264177] ? arch_local_irq_restore+0x53/0x53 [ 29.268829] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.274016] dump_header+0x28c/0xe1e [ 29.277723] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.282900] ? pagefault_out_of_memory+0x152/0x152 [ 29.287821] ? check_noncircular+0x20/0x20 [ 29.292040] ? print_irqtrace_events+0x270/0x270 [ 29.296787] ? __lock_acquire+0x664/0x3e00 [ 29.301007] ? check_noncircular+0x20/0x20 [ 29.305235] ? find_held_lock+0x35/0x1d0 [ 29.309289] ? check_noncircular+0x20/0x20 [ 29.313507] ? task_will_free_mem+0x252/0xaa0 [ 29.317992] ? print_irqtrace_events+0x270/0x270 [ 29.322734] ? ___ratelimit+0x30d/0x630 [ 29.326677] ? lock_downgrade+0x980/0x980 [ 29.330798] ? lock_release+0xa40/0xa40 [ 29.334747] ? mark_held_locks+0xaf/0x100 [ 29.338868] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 29.343943] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.348927] ? trace_hardirqs_on+0xd/0x10 [ 29.353056] ? ___ratelimit+0x95/0x630 [ 29.356929] ? idr_get_free_cmn+0xfd0/0xfd0 [ 29.361231] ? check_noncircular+0x20/0x20 [ 29.365446] ? find_held_lock+0x138/0x1d0 [ 29.369593] oom_kill_process+0x8b5/0x14a0 [ 29.373811] ? has_ns_capability_noaudit+0x163/0x2a0 [ 29.378894] ? lock_downgrade+0x980/0x980 [ 29.383023] ? oom_evaluate_task+0x480/0x480 [ 29.387426] ? security_capable_noaudit+0x8b/0xc0 [ 29.392250] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 29.397322] ? has_capability+0x30/0x30 [ 29.401266] ? do_raw_spin_trylock+0x190/0x190 [ 29.405826] ? check_noncircular+0x20/0x20 [ 29.410044] ? has_capability_noaudit+0x24/0x30 [ 29.414691] ? oom_badness+0xd1/0x980 [ 29.418469] ? lock_release+0xa40/0xa40 [ 29.422423] ? do_try_to_free_pages+0xc53/0x1020 [ 29.427167] ? find_lock_task_mm+0x460/0x460 [ 29.431566] ? find_held_lock+0x35/0x1d0 [ 29.435622] ? out_of_memory+0xb3a/0x1220 [ 29.439754] ? lock_downgrade+0x980/0x980 [ 29.443892] ? lock_release+0xa40/0xa40 [ 29.447842] ? lock_acquire+0x1d5/0x580 [ 29.451795] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 29.456711] ? oom_evaluate_task+0x284/0x480 [ 29.461101] out_of_memory+0x86d/0x1220 [ 29.465072] ? oom_killer_disable+0x310/0x310 [ 29.469550] ? mutex_trylock+0x23a/0x2d0 [ 29.473597] ? __lock_is_held+0xb6/0x140 [ 29.477633] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 29.483077] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 29.487947] ? warn_alloc+0x2b0/0x2b0 [ 29.491722] ? lock_downgrade+0x980/0x980 [ 29.495861] ? radix_tree_lookup_slot+0x99/0xe0 [ 29.500534] ? find_get_entry+0x53c/0x9e0 [ 29.504687] ? __lock_acquire+0x664/0x3e00 [ 29.508917] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 29.514780] ? __might_sleep+0x95/0x190 [ 29.518727] __alloc_pages_nodemask+0x9fb/0xd80 [ 29.523380] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 29.528384] ? add_to_page_cache_lru+0x510/0x510 [ 29.533137] ? check_noncircular+0x20/0x20 [ 29.537355] ? check_noncircular+0x20/0x20 [ 29.541570] ? lock_acquire+0x1d5/0x580 [ 29.545525] ? lock_acquire+0x1d5/0x580 [ 29.549487] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 29.554256] alloc_pages_current+0xb6/0x1e0 [ 29.558567] __page_cache_alloc+0x334/0x500 [ 29.562871] ? rcu_read_lock_held+0xa9/0xc0 [ 29.567180] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 29.574541] filemap_fault+0xefc/0x1c20 [ 29.578497] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.583686] ? __lock_page_or_retry+0x4f0/0x4f0 [ 29.588334] ? ep_scan_ready_list+0xb73/0xea0 [ 29.592816] ? filemap_map_pages+0x942/0x15d0 [ 29.597293] ? compat_start_thread+0x80/0x80 [ 29.601692] ? _raw_spin_unlock_irq+0x27/0x70 [ 29.606176] ? find_get_entries_tag+0xeb0/0xeb0 [ 29.610835] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 29.615655] ? check_noncircular+0x20/0x20 [ 29.619877] ? wait_for_completion+0x770/0x770 [ 29.624441] ? print_irqtrace_events+0x270/0x270 [ 29.629177] ? print_irqtrace_events+0x270/0x270 [ 29.633914] ? lock_release+0xa40/0xa40 [ 29.637869] ? lock_acquire+0x1d5/0x580 [ 29.641812] ? lock_acquire+0x1d5/0x580 [ 29.645777] ? ext4_filemap_fault+0x7a/0xad [ 29.650087] ? __lock_acquire+0x664/0x3e00 [ 29.654307] ? lock_release+0xa40/0xa40 [ 29.658265] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 29.664140] ? rcu_note_context_switch+0x710/0x710 [ 29.669059] ? __might_sleep+0x95/0x190 [ 29.673022] ? down_read+0x96/0x150 [ 29.676625] ? ext4_filemap_fault+0x7a/0xad [ 29.680929] ? __down_interruptible+0x6b0/0x6b0 [ 29.685577] ? schedule+0xf5/0x430 [ 29.689107] ? __schedule+0x2060/0x2060 [ 29.693071] ext4_filemap_fault+0x82/0xad [ 29.697203] __do_fault+0xeb/0x30f [ 29.700720] ? find_held_lock+0x35/0x1d0 [ 29.704766] ? pte_offset_kernel+0xc7/0xc7 [ 29.708994] ? lock_downgrade+0x980/0x980 [ 29.713124] ? check_noncircular+0x20/0x20 [ 29.717351] __handle_mm_fault+0x1d8f/0x3ce0 [ 29.721755] ? __pmd_alloc+0x4e0/0x4e0 [ 29.725616] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.730620] ? find_held_lock+0x35/0x1d0 [ 29.734677] ? handle_mm_fault+0x248/0x8d0 [ 29.738886] ? lock_downgrade+0x980/0x980 [ 29.743024] handle_mm_fault+0x334/0x8d0 [ 29.747053] ? down_read_trylock+0xdb/0x170 [ 29.751350] ? __do_page_fault+0x32d/0xc90 [ 29.755561] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 29.760116] ? vmacache_find+0x5f/0x280 [ 29.764072] ? vmacache_update+0xfe/0x130 [ 29.768207] ? find_vma+0x30/0x150 [ 29.771726] __do_page_fault+0x5c9/0xc90 [ 29.775765] ? mm_fault_error+0x2c0/0x2c0 [ 29.779885] ? __lock_is_held+0xb6/0x140 [ 29.783922] do_page_fault+0xee/0x720 [ 29.787706] ? __do_page_fault+0xc90/0xc90 [ 29.791937] ? __sb_end_write+0xa0/0xd0 [ 29.795889] ? vfs_write+0x224/0x510 [ 29.799590] ? wake_up_q+0xe0/0xe0 [ 29.803112] ? SyS_write+0x184/0x220 [ 29.806804] ? entry_SYSCALL_64_fastpath+0x4b/0x96 [ 29.811715] ? page_fault+0x36/0x60 [ 29.815323] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.820145] ? page_fault+0x36/0x60 [ 29.823755] page_fault+0x4c/0x60 [ 29.827181] RIP: 0033:0x7f1f76feb943 [ 29.830866] RSP: 002b:00007ffe5a76bd48 EFLAGS: 00010246 [ 29.836201] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 00007f1f76feb943 [ 29.843447] RDX: 0000000000000008 RSI: 00007ffe5a76be40 RDI: 000000000000000a [ 29.850694] RBP: 00000000006535d0 R08: 0000000000000000 R09: 0000000000000000 [ 29.857937] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 29.865173] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000063f030 [ 29.872487] Mem-Info: [ 29.874935] active_anon:5558 inactive_anon:33 isolated_anon:0 [ 29.874935] active_file:20 inactive_file:11 isolated_file:2 [ 29.874935] unevictable:0 dirty:0 writeback:0 unstable:0 [ 29.874935] slab_reclaimable:7215 slab_unreclaimable:83148 [ 29.874935] mapped:2 shmem:40 pagetables:309 bounce:0 [ 29.874935] free:15747 free_pcp:30 free_cma:0 [ 29.906982] Node 0 active_anon:22232kB inactive_anon:132kB active_file:108kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 29.934115] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 29.960631] lowmem_reserve[]: 0 2881 6394 6394 [ 29.965245] Node 0 DMA32 free:28792kB min:30380kB low:37972kB high:45564kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2953024kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 29.992413] lowmem_reserve[]: 0 0 3512 3512 [ 29.996773] Node 0 Normal free:18408kB min:37036kB low:46292kB high:55548kB active_anon:22232kB inactive_anon:132kB active_file:108kB inactive_file:16kB unevictable:0kB writepending:0kB present:4718592kB managed:3596972kB mlocked:0kB kernel_stack:2976kB pagetables:1236kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 30.025344] lowmem_reserve[]: 0 0 0 0 [ 30.029164] 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 [ 30.042771] Node 0 DMA32: 2*4kB (M) 4*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 2*128kB (M) 4*256kB (UM) 3*512kB (M) 3*1024kB (M) 1*2048kB (M) 5*4096kB (M) = 28792kB [ 30.057914] Node 0 Normal: 272*4kB (UM) 215*8kB (UM) 131*16kB (UM) 96*32kB (UM) 41*64kB (UM) 31*128kB (UM) 15*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18408kB [ 30.073068] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 30.081650] 71 total pagecache pages [ 30.085369] 0 pages in swap cache [ 30.088820] Swap cache stats: add 0, delete 0, find 0/0 [ 30.094173] Free swap = 0kB [ 30.097188] Total swap = 0kB [ 30.100197] 1965979 pages RAM [ 30.103305] 0 pages HighMem/MovableOnly [ 30.107285] 324503 pages reserved [ 30.110770] Unreclaimable slab info: [ 30.114514] Name Used Total [ 30.120094] hashtab_node 118KB 119KB [ 30.125450] ebitmap_node 389KB 389KB [ 30.130801] avtab_node 1012KB 1013KB [ 30.136165] TIPC 1KB 7KB [ 30.141525] SCTPv6 2KB 4KB [ 30.146894] DCCPv6 2KB 7KB [ 30.152266] DCCP 2KB 6KB [ 30.157631] fib6_nodes 0KB 4KB [ 30.162979] ip6_dst_cache 11KB 11KB [ 30.168346] RAWv6 9KB 13KB [ 30.173706] UDPv6 14KB 14KB [ 30.179078] TCPv6 2KB 5KB [ 30.184447] sd_ext_cdb 0KB 3KB [ 30.189797] scsi_sense_cache 105KB 156KB [ 30.195680] virtio_scsi_cmd 16KB 16KB [ 30.201054] sgpool-128 8KB 8KB [ 30.206412] sgpool-64 4KB 6KB [ 30.211801] sgpool-32 55KB 55KB [ 30.217181] sgpool-16 22KB 22KB [ 30.222540] sgpool-8 205KB 240KB [ 30.227891] cfq_io_cq 16KB 19KB [ 30.233252] cfq_queue 24KB 30KB [ 30.238609] mqueue_inode_cache 1KB 7KB [ 30.244045] nfs_commit_data 3KB 7KB [ 30.249396] nfs_write_data 34KB 37KB [ 30.254750] jbd2_inode 1KB 3KB [ 30.260101] ext4_system_zone 0KB 3KB [ 30.265476] bio-1 1KB 3KB [ 30.270838] rpc_buffers 17KB 19KB [ 30.276189] rpc_tasks 2KB 3KB [ 30.281550] UNIX 1631KB 1641KB [ 30.286900] tcp_bind_bucket 0KB 4KB [ 30.292278] ip_fib_trie 0KB 3KB [ 30.297650] ip_fib_alias 0KB 3KB [ 30.303038] ip_dst_cache 7KB 7KB [ 30.308401] RAW 5KB 7KB [ 30.313766] UDP 29KB 31KB [ 30.319138] request_sock_TCP 1KB 3KB [ 30.324497] TCP 31KB 31KB [ 30.329843] hugetlbfs_inode_cache 1KB 7KB [ 30.335553] eventpoll_pwq 12KB 15KB [ 30.340907] eventpoll_epi 22KB 27KB [ 30.346260] inotify_inode_mark 4KB 7KB [ 30.351699] request_queue 141KB 226KB [ 30.357049] blkdev_ioc 23KB 27KB [ 30.362406] bio-0 285KB 296KB [ 30.367757] biovec-(1<<(21-12)) 503KB 503KB [ 30.373294] biovec-64 102KB 102KB [ 30.378651] biovec-16 15KB 15KB [ 30.383998] bio_integrity_payload 0KB 4KB [ 30.389708] khugepaged_mm_slot 1KB 3KB [ 30.395161] uid_cache 3KB 3KB [ 30.400515] dmaengine-unmap-2 0KB 3KB [ 30.405865] audit_buffer 0KB 3KB [ 30.411234] skbuff_fclone_cache 127KB 127KB [ 30.416768] skbuff_head_cache 1908KB 1908KB [ 30.422125] configfs_dir_cache 0KB 4KB [ 30.427591] file_lock_cache 150KB 154KB [ 30.432957] file_lock_ctx 1KB 3KB [ 30.438310] fsnotify_mark_connector 2KB 7KB [ 30.444187] shmem_inode_cache 876KB 879KB [ 30.449551] task_delay_info 333KB 415KB [ 30.454909] sigqueue 315KB 318KB [ 30.460259] kernfs_node_cache 1838KB 1842KB [ 30.465610] mnt_cache 14KB 20KB [ 30.470961] filp 8283KB 8283KB [ 30.476315] names_cache 115306KB 115345KB [ 30.481667] avc_node 39KB 39KB [ 30.487040] selinux_file_security 414KB 414KB [ 30.492743] selinux_inode_security 1908KB 1908KB [ 30.498525] key_jar 3KB 7KB [ 30.503879] nsproxy 0KB 3KB [ 30.509232] vm_area_struct 16973KB 16973KB [ 30.514594] mm_struct 3976KB 3984KB [ 30.519951] fs_cache 442KB 504KB [ 30.525308] files_cache 1454KB 1646KB [ 30.530670] signal_cache 2225KB 2594KB [ 30.536042] sighand_cache 284KB 346KB [ 30.541400] task_struct 9432KB 9432KB [ 30.546746] cred_jar 2220KB 2220KB [ 30.552106] anon_vma_chain 6937KB 6937KB [ 30.557462] anon_vma 214KB 292KB [ 30.562809] pid 223KB 296KB [ 30.568168] Acpi-Operand 126KB 186KB [ 30.573531] Acpi-ParseExt 0KB 11KB [ 30.578877] Acpi-Parse 22KB 35KB [ 30.584243] Acpi-State 22KB 39KB [ 30.589599] Acpi-Namespace 19KB 27KB [ 30.594949] numa_policy 0KB 3KB [ 30.600308] debug_objects_cache 469KB 469KB [ 30.605847] trace_event_file 144KB 147KB [ 30.611206] ftrace_event_field 254KB 255KB [ 30.616655] pool_workqueue 21KB 24KB [ 30.622035] page->ptl 2727KB 2727KB [ 30.627601] kmalloc-262144 1032KB 1032KB [ 30.632994] kmalloc-131072 650KB 650KB [ 30.638375] kmalloc-65536 264KB 264KB [ 30.643732] kmalloc-32768 462KB 462KB [ 30.649082] kmalloc-16384 148KB 148KB [ 30.654444] kmalloc-8192 363KB 363KB [ 30.659801] kmalloc-4096 8410KB 8449KB [ 30.665150] kmalloc-2048 2996KB 2996KB [ 30.670515] kmalloc-1024 3512KB 3512KB [ 30.675870] kmalloc-512 3159KB 3300KB [ 30.681219] kmalloc-256 1620KB 1882KB [ 30.686580] kmalloc-128 429KB 511KB [ 30.691934] kmalloc-96 393KB 432KB [ 30.697282] kmalloc-64 751KB 816KB [ 30.702642] kmalloc-32 1846KB 2169KB [ 30.708116] kmalloc-192 232KB 292KB [ 30.713489] kmem_cache 96KB 101KB [ 30.718843] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 30.727449] [ 1605] 0 1605 5385 185 86016 0 -1000 udevd [ 30.735617] [ 3002] 0 3002 30649 109 122880 0 0 rsyslogd [ 30.744041] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 30.752122] [ 3076] 0 3076 3735 44 73728 0 0 mcstransd [ 30.760607] [ 3104] 0 3104 12490 152 151552 0 -1000 sshd [ 30.768652] [ 3128] 0 3128 3694 40 73728 0 0 getty [ 30.776784] [ 3129] 0 3129 3694 41 73728 0 0 getty [ 30.784913] [ 3130] 0 3130 3694 40 73728 0 0 getty [ 30.793050] [ 3131] 0 3131 3694 39 73728 0 0 getty [ 30.801183] [ 3132] 0 3132 3694 41 77824 0 0 getty [ 30.809314] [ 3133] 0 3133 3694 41 77824 0 0 getty [ 30.817469] [ 3134] 0 3134 3649 40 73728 0 0 getty [ 30.825605] [ 3139] 0 3139 5681 454 81920 0 -1000 udevd [ 30.833738] [ 3140] 0 3140 5681 454 81920 0 -1000 udevd [ 30.841872] [ 3156] 0 3156 17821 197 180224 0 0 sshd [ 30.849918] [ 3158] 0 3158 280 1 32768 0 0 syzkaller793101 [ 30.858916] [ 3159] 0 3159 4375 0 32768 0 0 syzkaller793101 [ 30.867921] [ 3160] 0 3160 4375 522 36864 0 0 syzkaller793101 [ 30.876919] [ 3161] 0 3161 4375 522 36864 0 0 syzkaller793101 [ 30.885918] [ 3162] 0 3162 4375 522 36864 0 0 syzkaller793101 [ 30.894926] [ 3163] 0 3163 4375 522 36864 0 0 syzkaller793101 [ 30.903933] [ 3164] 0 3164 4375 522 36864 0 0 syzkaller793101 [ 30.912937] [ 3165] 0 3165 4375 522 36864 0 0 syzkaller793101 [ 30.921944] [ 3166] 0 3166 4375 522 36864 0 0 syzkaller793101 [ 30.930961] Out of memory: Kill process 3160 (syzkaller793101) score 0 or sacrifice child [ 30.939428] Killed process 3160 (syzkaller793101) total-vm:17500kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 30.953659] oom_reaper: reaped process 3160 (syzkaller793101), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 30.965343] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 30.977503] udevd cpuset=/ mems_allowed=0 [ 30.981683] CPU: 0 PID: 1605 Comm: udevd Not tainted 4.15.0-rc5+ #238 [ 30.988235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.997558] Call Trace: [ 31.000117] dump_stack+0x194/0x257 [ 31.003715] ? arch_local_irq_restore+0x53/0x53 [ 31.008354] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.013518] dump_header+0x28c/0xe1e [ 31.017202] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.022362] ? pagefault_out_of_memory+0x152/0x152 [ 31.027255] ? check_noncircular+0x20/0x20 [ 31.031459] ? print_irqtrace_events+0x270/0x270 [ 31.036185] ? __lock_acquire+0x664/0x3e00 [ 31.040388] ? check_noncircular+0x20/0x20 [ 31.044598] ? find_held_lock+0x35/0x1d0 [ 31.048632] ? check_noncircular+0x20/0x20 [ 31.052834] ? task_will_free_mem+0x252/0xaa0 [ 31.057300] ? print_irqtrace_events+0x270/0x270 [ 31.062039] ? ___ratelimit+0x30d/0x630 [ 31.065983] ? lock_downgrade+0x980/0x980 [ 31.070100] ? lock_release+0xa40/0xa40 [ 31.074044] ? mark_held_locks+0xaf/0x100 [ 31.078159] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 31.083234] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.088227] ? trace_hardirqs_on+0xd/0x10 [ 31.092345] ? ___ratelimit+0x95/0x630 [ 31.096199] ? idr_get_free_cmn+0xfd0/0xfd0 [ 31.100484] ? check_noncircular+0x20/0x20 [ 31.104681] ? find_held_lock+0x138/0x1d0 [ 31.108802] oom_kill_process+0x8b5/0x14a0 [ 31.113007] ? has_ns_capability_noaudit+0x163/0x2a0 [ 31.118085] ? lock_downgrade+0x980/0x980 [ 31.122203] ? oom_evaluate_task+0x480/0x480 [ 31.126587] ? security_capable_noaudit+0x8b/0xc0 [ 31.131399] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 31.136470] ? has_capability+0x30/0x30 [ 31.140407] ? do_raw_spin_trylock+0x190/0x190 [ 31.144959] ? check_noncircular+0x20/0x20 [ 31.149167] ? has_capability_noaudit+0x24/0x30 [ 31.153802] ? oom_badness+0xd1/0x980 [ 31.157567] ? lock_release+0xa40/0xa40 [ 31.161506] ? do_try_to_free_pages+0xc53/0x1020 [ 31.166229] ? find_lock_task_mm+0x460/0x460 [ 31.170609] ? find_held_lock+0x35/0x1d0 [ 31.174651] ? out_of_memory+0xb3a/0x1220 [ 31.178765] ? lock_downgrade+0x980/0x980 [ 31.182883] ? lock_release+0xa40/0xa40 [ 31.186820] ? lock_acquire+0x1d5/0x580 [ 31.190760] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 31.195663] ? oom_evaluate_task+0x284/0x480 [ 31.200047] out_of_memory+0x86d/0x1220 [ 31.203998] ? oom_killer_disable+0x310/0x310 [ 31.208462] ? mutex_trylock+0x23a/0x2d0 [ 31.212494] ? __lock_is_held+0xb6/0x140 [ 31.216526] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 31.221952] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 31.226787] ? warn_alloc+0x2b0/0x2b0 [ 31.230555] ? lock_downgrade+0x980/0x980 [ 31.234680] ? radix_tree_lookup_slot+0x99/0xe0 [ 31.239326] ? find_get_entry+0x53c/0x9e0 [ 31.243459] ? __lock_acquire+0x664/0x3e00 [ 31.247696] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 31.253554] ? __might_sleep+0x95/0x190 [ 31.257499] __alloc_pages_nodemask+0x9fb/0xd80 [ 31.262139] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 31.267125] ? add_to_page_cache_lru+0x510/0x510 [ 31.271855] ? check_noncircular+0x20/0x20 [ 31.276056] ? check_noncircular+0x20/0x20 [ 31.280256] ? lock_acquire+0x1d5/0x580 [ 31.284208] ? lock_acquire+0x1d5/0x580 [ 31.288160] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 31.292900] alloc_pages_current+0xb6/0x1e0 [ 31.297192] __page_cache_alloc+0x334/0x500 [ 31.301481] ? rcu_read_lock_held+0xa9/0xc0 [ 31.305778] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 31.313117] filemap_fault+0xefc/0x1c20 [ 31.317061] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.322226] ? __lock_page_or_retry+0x4f0/0x4f0 [ 31.326868] ? ep_scan_ready_list+0xb73/0xea0 [ 31.331333] ? filemap_map_pages+0x942/0x15d0 [ 31.335796] ? compat_start_thread+0x80/0x80 [ 31.340176] ? _raw_spin_unlock_irq+0x27/0x70 [ 31.344642] ? find_get_entries_tag+0xeb0/0xeb0 [ 31.349281] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 31.354089] ? check_noncircular+0x20/0x20 [ 31.358292] ? wait_for_completion+0x770/0x770 [ 31.362841] ? print_irqtrace_events+0x270/0x270 [ 31.367568] ? print_irqtrace_events+0x270/0x270 [ 31.372296] ? lock_release+0xa40/0xa40 [ 31.376249] ? lock_acquire+0x1d5/0x580 [ 31.380192] ? lock_acquire+0x1d5/0x580 [ 31.384139] ? ext4_filemap_fault+0x7a/0xad [ 31.388430] ? __lock_acquire+0x664/0x3e00 [ 31.392633] ? lock_release+0xa40/0xa40 [ 31.396577] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 31.402434] ? rcu_note_context_switch+0x710/0x710 [ 31.407346] ? __might_sleep+0x95/0x190 [ 31.411290] ? down_read+0x96/0x150 [ 31.414884] ? ext4_filemap_fault+0x7a/0xad [ 31.419172] ? __down_interruptible+0x6b0/0x6b0 [ 31.423817] ? schedule+0xf5/0x430 [ 31.427330] ? __schedule+0x2060/0x2060 [ 31.431276] ext4_filemap_fault+0x82/0xad [ 31.435392] __do_fault+0xeb/0x30f [ 31.438900] ? find_held_lock+0x35/0x1d0 [ 31.442929] ? pte_offset_kernel+0xc7/0xc7 [ 31.447138] ? lock_downgrade+0x980/0x980 [ 31.451252] ? check_noncircular+0x20/0x20 [ 31.455461] __handle_mm_fault+0x1d8f/0x3ce0 [ 31.459842] ? __pmd_alloc+0x4e0/0x4e0 [ 31.463695] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.468681] ? find_held_lock+0x35/0x1d0 [ 31.472714] ? handle_mm_fault+0x248/0x8d0 [ 31.476914] ? lock_downgrade+0x980/0x980 [ 31.481051] handle_mm_fault+0x334/0x8d0 [ 31.485076] ? down_read_trylock+0xdb/0x170 [ 31.489367] ? __do_page_fault+0x32d/0xc90 [ 31.493568] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 31.498118] ? vmacache_find+0x5f/0x280 [ 31.502059] ? vmacache_update+0xfe/0x130 [ 31.506174] ? find_vma+0x30/0x150 [ 31.509684] __do_page_fault+0x5c9/0xc90 [ 31.513719] ? mm_fault_error+0x2c0/0x2c0 [ 31.517835] ? __lock_is_held+0xb6/0x140 [ 31.521869] do_page_fault+0xee/0x720 [ 31.525638] ? __do_page_fault+0xc90/0xc90 [ 31.529841] ? __sb_end_write+0xa0/0xd0 [ 31.533789] ? vfs_write+0x224/0x510 [ 31.537476] ? wake_up_q+0xe0/0xe0 [ 31.540986] ? SyS_write+0x184/0x220 [ 31.544669] ? entry_SYSCALL_64_fastpath+0x4b/0x96 [ 31.549568] ? page_fault+0x36/0x60 [ 31.553164] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.557978] ? page_fault+0x36/0x60 [ 31.561571] page_fault+0x4c/0x60 [ 31.564990] RIP: 0033:0x7f1f76feb943 [ 31.568673] RSP: 002b:00007ffe5a76bd48 EFLAGS: 00010246 [ 31.574004] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 00007f1f76feb943 [ 31.581246] RDX: 0000000000000008 RSI: 00007ffe5a76be40 RDI: 000000000000000a [ 31.588481] RBP: 00000000006535d0 R08: 0000000000000000 R09: 0000000000000000 [ 31.595715] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 31.602951] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000063f030 [ 31.610284] Mem-Info: [ 31.612750] active_anon:5041 inactive_anon:33 isolated_anon:0 [ 31.612750] active_file:15 inactive_file:16 isolated_file:0 [ 31.612750] unevictable:0 dirty:0 writeback:0 unstable:0 [ 31.612750] slab_reclaimable:7215 slab_unreclaimable:83086 [ 31.612750] mapped:2 shmem:40 pagetables:308 bounce:0 [ 31.612750] free:16320 free_pcp:52 free_cma:0 [ 31.644869] Node 0 active_anon:20164kB inactive_anon:132kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 31.653517] syzkaller793101: vmalloc: allocation failure, allocated 723697664 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 31.653527] syzkaller793101 cpuset=/ mems_allowed=0 [ 31.653568] CPU: 1 PID: 3159 Comm: syzkaller793101 Not tainted 4.15.0-rc5+ #238 [ 31.653572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.653575] Call Trace: [ 31.653591] dump_stack+0x194/0x257 [ 31.653605] ? arch_local_irq_restore+0x53/0x53 [ 31.653612] ? idr_get_free_cmn+0xfd0/0xfd0 [ 31.653636] warn_alloc+0x19a/0x2b0 [ 31.653649] ? zone_watermark_ok_safe+0x400/0x400 [ 31.653672] ? rcu_note_context_switch+0x710/0x710 [ 31.653700] __vmalloc_node_range+0x482/0x650 [ 31.653722] ? xt_alloc_table_info+0x64/0xe0 [ 31.653731] __vmalloc_node_flags_caller+0x50/0x60 [ 31.653739] ? xt_alloc_table_info+0x64/0xe0 [ 31.653751] kvmalloc_node+0x82/0xd0 [ 31.653764] xt_alloc_table_info+0x64/0xe0 [ 31.653777] do_ipt_set_ctl+0x29b/0x5f0 [ 31.653791] ? translate_compat_table+0x1b90/0x1b90 [ 31.653817] ? mutex_unlock+0xd/0x10 [ 31.653824] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 31.653838] nf_setsockopt+0x67/0xc0 [ 31.653851] ip_setsockopt+0xa1/0xb0 [ 31.653866] tcp_setsockopt+0x82/0xd0 [ 31.653882] sock_common_setsockopt+0x95/0xd0 [ 31.653896] SyS_setsockopt+0x189/0x360 [ 31.653909] ? SyS_recv+0x40/0x40 [ 31.653919] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 31.653931] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.653942] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.653960] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 31.653965] RIP: 0033:0x440349 [ 31.653969] RSP: 002b:00007ffce0be7b18 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 31.653976] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440349 [ 31.653981] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 31.653984] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 31.653988] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018b0 [ 31.653992] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 31.654089] Mem-Info: [ 31.654104] active_anon:5041 inactive_anon:33 isolated_anon:0 [ 31.654104] active_file:15 inactive_file:16 isolated_file:0 [ 31.654104] unevictable:0 dirty:0 writeback:0 unstable:0 [ 31.654104] slab_reclaimable:7215 slab_unreclaimable:83086 [ 31.654104] mapped:2 shmem:40 pagetables:308 bounce:0 [ 31.654104] free:15801 free_pcp:30 free_cma:0 [ 31.654117] Node 0 active_anon:20164kB inactive_anon:132kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 31.654119] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 31.654135] lowmem_reserve[]: 0 2881 6394 6394 [ 31.654148] Node 0 DMA32 free:28792kB min:30380kB low:37972kB high:45564kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2953024kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 31.654162] lowmem_reserve[]: 0 0 3512 3512 [ 31.654174] Node 0 Normal free:18504kB min:37036kB low:46292kB high:55548kB active_anon:20164kB inactive_anon:132kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3596972kB mlocked:0kB kernel_stack:2976kB pagetables:1232kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 31.654190] lowmem_reserve[]: 0 0 0 0 [ 31.654202] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 31.654252] Node 0 DMA32: 2*4kB (M) 4*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 2*128kB (M) 4*256kB (UM) 3*512kB (M) 3*1024kB (M) 1*2048kB (M) 5*4096kB (M) = 28792kB [ 31.654308] Node 0 Normal: 234*4kB (UM) 188*8kB (M) 112*16kB (M) 84*32kB (UM) 39*64kB (UM) 29*128kB (M) 13*256kB (M) 0*512kB 0*1024kB 1*2048kB (E) 0*4096kB = 18504kB [ 31.654362] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 31.654365] 71 total pagecache pages [ 31.654372] 0 pages in swap cache [ 31.654377] Swap cache stats: add 0, delete 0, find 0/0 [ 31.654379] Free swap = 0kB [ 31.654381] Total swap = 0kB [ 31.654384] 1965979 pages RAM [ 31.654387] 0 pages HighMem/MovableOnly [ 31.654389] 324503 pages reserved [ 31.778502] syzkaller793101: vmalloc: allocation failure, allocated 799539200 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 31.778507] syzkaller793101 cpuset=/ mems_allowed=0 [ 31.778527] CPU: 0 PID: 3160 Comm: syzkaller793101 Not tainted 4.15.0-rc5+ #238 [ 31.778531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.778534] Call Trace: [ 31.778550] dump_stack+0x194/0x257 [ 31.778566] ? arch_local_irq_restore+0x53/0x53 [ 31.778574] ? idr_get_free_cmn+0xfd0/0xfd0 [ 31.778604] warn_alloc+0x19a/0x2b0 [ 31.778617] ? zone_watermark_ok_safe+0x400/0x400 [ 31.778645] ? rcu_note_context_switch+0x710/0x710 [ 31.778676] __vmalloc_node_range+0x482/0x650 [ 31.778702] ? xt_alloc_table_info+0x64/0xe0 [ 31.778711] __vmalloc_node_flags_caller+0x50/0x60 [ 31.778721] ? xt_alloc_table_info+0x64/0xe0 [ 31.778736] kvmalloc_node+0x82/0xd0 [ 31.778752] xt_alloc_table_info+0x64/0xe0 [ 31.778768] do_ipt_set_ctl+0x29b/0x5f0 [ 31.778784] ? translate_compat_table+0x1b90/0x1b90 [ 31.778814] ? mutex_unlock+0xd/0x10 [ 31.778823] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 31.778839] nf_setsockopt+0x67/0xc0 [ 31.778857] ip_setsockopt+0xa1/0xb0 [ 31.778873] tcp_setsockopt+0x82/0xd0 [ 31.778891] sock_common_setsockopt+0x95/0xd0 [ 31.778907] SyS_setsockopt+0x189/0x360 [ 31.778923] ? SyS_recv+0x40/0x40 [ 31.778935] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 31.778949] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.778962] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.778983] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 31.778988] RIP: 0033:0x440349 [ 31.778992] RSP: 002b:00007ffce0be7b18 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 31.779004] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440349 [ 31.779009] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 31.779013] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 31.779018] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018b0 [ 31.779022] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 33.318929] syzkaller793101 (3159) used greatest stack depth: 16656 bytes left [ 33.680636] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 33.706766] lowmem_reserve[]: 0 2881 6394 6394 [ 33.711508] Node 0 DMA32 free:44360kB min:30380kB low:37972kB high:45564kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:552kB unevictable:0kB writepending:336kB present:3129332kB managed:2953024kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 33.739862] lowmem_reserve[]: 0 0 3512 3512 [ 33.744199] Node 0 Normal free:36912kB min:37036kB low:46292kB high:55548kB active_anon:20260kB inactive_anon:132kB active_file:108kB inactive_file:0kB unevictable:0kB writepending:28kB present:4718592kB managed:3596972kB mlocked:0kB kernel_stack:2944kB pagetables:1232kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 33.772796] lowmem_reserve[]: 0 0 0 0 [ 33.776594] 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 [ 33.790155] Node 0 DMA32: 2*4kB (E) 3*8kB (UME) 2*16kB (E) 2*32kB (UE) 1*64kB (M) 4*128kB (UME) 5*256kB (UME) 5*512kB (UME) 5*1024kB (UME) 3*2048kB (UME) 7*4096kB (UM) = 44480kB [ 33.806155] Node 0 Normal: 241*4kB (UM) 165*8kB (M) 115*16kB (UME) 87*32kB (UME) 42*64kB (UME) 31*128kB (UME) 14*256kB (ME) 1*512kB (E) 1*1024kB (E) 1*2048kB (U) 4*4096kB (U) = 37116kB [ 33.822937] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 33.831776] 86 total pagecache pages [ 33.835670] 0 pages in swap cache [ 33.839259] Swap cache stats: add 0, delete 0, find 0/0 [ 33.844854] Free swap = 0kB [ 33.849409] Total swap = 0kB [ 33.859081] 1965979 pages RAM [ 33.865657] 0 pages HighMem/MovableOnly [ 33.872395] 324503 pages reserved [ 33.881214] Unreclaimable slab info: [ 33.884945] Name Used Total [ 33.892921] hashtab_node 118KB 119KB [ 33.898307] ebitmap_node 388KB 389KB [ 33.903666] avtab_node 1012KB 1013KB [ 33.909027] TIPC 1KB 7KB [ 33.914374] SCTPv6 2KB 4KB [ 33.919723] DCCPv6 2KB 7KB [ 33.925071] DCCP 2KB 6KB [ 33.930427] fib6_nodes 0KB 4KB [ 33.935775] ip6_dst_cache 7KB 11KB [ 33.941123] RAWv6 9KB 13KB [ 33.946467] UDPv6 12KB 14KB [ 33.951816] TCPv6 2KB 5KB [ 33.957171] sd_ext_cdb 0KB 3KB [ 33.962516] scsi_sense_cache 102KB 156KB [ 33.967862] virtio_scsi_cmd 16KB 16KB [ 33.973212] sgpool-128 8KB 8KB [ 33.978555] sgpool-64 4KB 6KB [ 33.983909] sgpool-32 78KB 78KB [ 33.989259] sgpool-16 26KB 26KB [ 33.994605] sgpool-8 202KB 240KB [ 33.999953] cfq_io_cq 18KB 19KB [ 34.005324] cfq_queue 29KB 30KB [ 34.010687] mqueue_inode_cache 1KB 7KB [ 34.016150] nfs_commit_data 3KB 7KB [ 34.021497] nfs_write_data 34KB 37KB [ 34.026851] jbd2_inode 1KB 3KB [ 34.032201] ext4_system_zone 0KB 3KB [ 34.037554] bio-1 1KB 3KB [ 34.042904] rpc_buffers 17KB 19KB [ 34.048338] rpc_tasks 2KB 3KB [ 34.053684] UNIX 1610KB 1641KB [ 34.059033] tcp_bind_bucket 0KB 4KB [ 34.064383] ip_fib_trie 0KB 3KB [ 34.069731] ip_fib_alias 0KB 3KB [ 34.075080] ip_dst_cache 4KB 7KB [ 34.080429] RAW 5KB 7KB [ 34.085775] UDP 29KB 31KB [ 34.091123] request_sock_TCP 0KB 3KB [ 34.096468] TCP 28KB 31KB [ 34.102517] hugetlbfs_inode_cache 1KB 7KB [ 34.108215] eventpoll_pwq 11KB 15KB [ 34.113564] eventpoll_epi 21KB 27KB [ 34.118910] inotify_inode_mark 4KB 7KB [ 34.124348] request_queue 76KB 169KB [ 34.129696] blkdev_ioc 21KB 27KB [ 34.135040] bio-0 296KB 296KB [ 34.140385] biovec-(1<<(21-12)) 552KB 552KB [ 34.145904] biovec-64 118KB 118KB [ 34.151252] biovec-16 18KB 18KB [ 34.156597] bio_integrity_payload 0KB 4KB [ 34.162296] khugepaged_mm_slot 1KB 3KB [ 34.167731] uid_cache 1KB 3KB [ 34.173076] dmaengine-unmap-2 0KB 3KB [ 34.178425] audit_buffer 0KB 3KB [ 34.183770] skbuff_fclone_cache 125KB 127KB [ 34.189289] skbuff_head_cache 1901KB 1908KB [ 34.194642] configfs_dir_cache 0KB 4KB [ 34.200076] file_lock_cache 149KB 154KB [ 34.205425] file_lock_ctx 1KB 3KB [ 34.210776] fsnotify_mark_connector 2KB 7KB [ 34.217093] shmem_inode_cache 875KB 879KB [ 34.222440] task_delay_info 320KB 415KB [ 34.227785] sigqueue 313KB 318KB [ 34.233131] kernfs_node_cache 1837KB 1842KB [ 34.238480] mnt_cache 14KB 20KB [ 34.243826] filp 8270KB 8283KB [ 34.249173] names_cache 114720KB 114758KB [ 34.254519] avc_node 38KB 39KB [ 34.259862] selinux_file_security 412KB 414KB [ 34.265567] selinux_inode_security 1906KB 1908KB [ 34.271346] key_jar 3KB 7KB [ 34.276694] nsproxy 0KB 3KB [ 34.282042] vm_area_struct 16964KB 16973KB [ 34.287386] mm_struct 3959KB 3984KB [ 34.292736] fs_cache 428KB 492KB [ 34.298080] files_cache 1423KB 1638KB [ 34.303425] signal_cache 2208KB 2594KB [ 34.308770] sighand_cache 265KB 333KB [ 34.314117] task_struct 9408KB 9432KB [ 34.319464] cred_jar 2202KB 2220KB [ 34.324819] anon_vma_chain 6931KB 6937KB [ 34.330169] anon_vma 197KB 281KB [ 34.335516] pid 214KB 296KB [ 34.340868] Acpi-Operand 116KB 182KB [ 34.346213] Acpi-ParseExt 0KB 7KB [ 34.351557] Acpi-Parse 13KB 23KB [ 34.356904] Acpi-State 10KB 23KB [ 34.362254] Acpi-Namespace 19KB 23KB [ 34.367602] numa_policy 0KB 3KB [ 34.372951] debug_objects_cache 466KB 469KB [ 34.378480] trace_event_file 144KB 147KB [ 34.383826] ftrace_event_field 254KB 255KB [ 34.389264] pool_workqueue 21KB 24KB [ 34.394623] page->ptl 2721KB 2727KB [ 34.399980] kmalloc-262144 1032KB 1032KB [ 34.405325] kmalloc-131072 650KB 650KB [ 34.410669] kmalloc-65536 264KB 264KB [ 34.416027] kmalloc-32768 462KB 462KB [ 34.421387] kmalloc-16384 148KB 148KB [ 34.426737] kmalloc-8192 363KB 363KB [ 34.432082] kmalloc-4096 8134KB 8172KB [ 34.437428] kmalloc-2048 2989KB 2996KB [ 34.442771] kmalloc-1024 3520KB 3520KB [ 34.448115] kmalloc-512 3145KB 3296KB [ 34.453458] kmalloc-256 1596KB 1875KB [ 34.458802] kmalloc-128 408KB 504KB [ 34.464146] kmalloc-96 381KB 420KB [ 34.469490] kmalloc-64 745KB 812KB [ 34.474839] kmalloc-32 1842KB 2169KB [ 34.480188] kmalloc-192 201KB 248KB [ 34.485534] kmem_cache 96KB 101KB [ 34.490883] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 34.499460] [ 1605] 0 1605 5385 185 86016 0 -1000 udevd [ 34.507595] [ 3002] 0 3002 30658 175 122880 0 0 rsyslogd [ 34.515983] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 34.524030] [ 3076] 0 3076 3735 44 73728 0 0 mcstransd [ 34.532528] [ 3104] 0 3104 12490 152 151552 0 -1000 sshd [ 34.540567] [ 3128] 0 3128 3694 40 73728 0 0 getty [ 34.548695] [ 3129] 0 3129 3694 41 73728 0 0 getty [ 34.556827] [ 3130] 0 3130 3694 40 73728 0 0 getty [ 34.564966] [ 3131] 0 3131 3694 39 73728 0 0 getty [ 34.573091] [ 3132] 0 3132 3694 41 77824 0 0 getty [ 34.581220] [ 3133] 0 3133 3694 41 77824 0 0 getty [ 34.589435] [ 3134] 0 3134 3649 40 73728 0 0 getty [ 34.597566] [ 3139] 0 3139 5681 454 81920 0 -1000 udevd [ 34.605695] [ 3140] 0 3140 5681 454 81920 0 -1000 udevd [ 34.613843] [ 3156] 0 3156 17821 197 180224 0 0 sshd [ 34.621891] [ 3158] 0 3158 280 1 32768 0 0 syzkaller793101 [ 34.630896] [ 3161] 0 3161 4375 522 36864 0 0 syzkaller793101 [ 34.639907] [ 3162] 0 3162 4375 522 36864 0 0 syzkaller793101 [ 34.648910] [ 3163] 0 3163 4375 522 36864 0 0 syzkaller793101 [ 34.657914] [ 3164] 0 3164 4375 522 36864 0 0 syzkaller793101 [ 34.666907] [ 3165] 0 3165 4375 522 36864 0 0 syzkaller793101 [ 34.675905] [ 3166] 0 3166 4375 522 36864 0 0 syzkaller793101 [ 34.684909] Out of memory: Kill process 3161 (syzkaller793101) score 0 or sacrifice child [ 34.693222] Killed process 3161 (syzkaller793101) total-vm:17500kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 34.705599] oom_reaper: reaped process 3161 (syzkaller793101), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 34.800325] syzkaller793101 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 34.814394] syzkaller793101 cpuset=/ mems_allowed=0 [ 34.819449] CPU: 0 PID: 3165 Comm: syzkaller793101 Not tainted 4.15.0-rc5+ #238 [ 34.826875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.834111] syzkaller793101: vmalloc: allocation failure, allocated 1033355264 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 34.834116] syzkaller793101 cpuset=/ mems_allowed=0 [ 34.854154] Call Trace: [ 34.856719] dump_stack+0x194/0x257 [ 34.860326] ? arch_local_irq_restore+0x53/0x53 [ 34.864974] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.870148] dump_header+0x28c/0xe1e [ 34.873852] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.879015] ? print_irqtrace_events+0x270/0x270 [ 34.883751] ? pagefault_out_of_memory+0x152/0x152 [ 34.888657] ? check_noncircular+0x20/0x20 [ 34.892871] ? print_irqtrace_events+0x270/0x270 [ 34.897610] ? __lock_acquire+0x664/0x3e00 [ 34.901832] ? check_noncircular+0x20/0x20 [ 34.906051] ? find_held_lock+0x35/0x1d0 [ 34.910098] ? check_noncircular+0x20/0x20 [ 34.914310] ? task_will_free_mem+0x252/0xaa0 [ 34.918787] ? print_irqtrace_events+0x270/0x270 [ 34.923529] ? ___ratelimit+0x30d/0x630 [ 34.927478] ? lock_downgrade+0x980/0x980 [ 34.931607] ? lock_release+0xa40/0xa40 [ 34.935562] ? mark_held_locks+0xaf/0x100 [ 34.939688] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 34.944773] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.949765] ? trace_hardirqs_on+0xd/0x10 [ 34.953894] ? ___ratelimit+0x95/0x630 [ 34.957759] ? idr_get_free_cmn+0xfd0/0xfd0 [ 34.962056] ? check_noncircular+0x20/0x20 [ 34.966262] ? find_held_lock+0x138/0x1d0 [ 34.970397] oom_kill_process+0x8b5/0x14a0 [ 34.974613] ? has_ns_capability_noaudit+0x163/0x2a0 [ 34.979692] ? lock_downgrade+0x980/0x980 [ 34.983832] ? oom_evaluate_task+0x480/0x480 [ 34.988232] ? security_capable_noaudit+0x8b/0xc0 [ 34.993056] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 34.998138] ? has_capability+0x30/0x30 [ 35.002087] ? do_raw_spin_trylock+0x190/0x190 [ 35.006645] ? check_noncircular+0x20/0x20 [ 35.010862] ? has_capability_noaudit+0x24/0x30 [ 35.015506] ? oom_badness+0xd1/0x980 [ 35.019280] ? lock_release+0xa40/0xa40 [ 35.023229] ? do_try_to_free_pages+0xc53/0x1020 [ 35.027966] ? find_lock_task_mm+0x460/0x460 [ 35.032358] ? find_held_lock+0x35/0x1d0 [ 35.036404] ? out_of_memory+0xb3a/0x1220 [ 35.040528] ? lock_downgrade+0x980/0x980 [ 35.044655] ? lock_release+0xa40/0xa40 [ 35.048606] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 35.053521] ? oom_evaluate_task+0x284/0x480 [ 35.057913] out_of_memory+0x86d/0x1220 [ 35.061875] ? oom_killer_disable+0x310/0x310 [ 35.066344] ? mutex_trylock+0x23a/0x2d0 [ 35.070381] ? __lock_is_held+0xb6/0x140 [ 35.074420] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 35.079861] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 35.084721] ? warn_alloc+0x2b0/0x2b0 [ 35.088516] ? check_noncircular+0x20/0x20 [ 35.092729] ? switched_to_fair+0xb0/0xb0 [ 35.096858] ? __enqueue_entity+0x109/0x1e0 [ 35.101177] ? print_irqtrace_events+0x270/0x270 [ 35.105916] ? finish_task_switch+0x1d3/0x740 [ 35.110431] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 35.116318] ? __might_sleep+0x95/0x190 [ 35.120281] __alloc_pages_nodemask+0x9fb/0xd80 [ 35.124933] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 35.129932] ? __sched_text_start+0x8/0x8 [ 35.134053] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.139046] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.143789] ? __lock_is_held+0xb6/0x140 [ 35.147849] ? rcu_note_context_switch+0x710/0x710 [ 35.152761] alloc_pages_current+0xb6/0x1e0 [ 35.157063] __vmalloc_node_range+0x409/0x650 [ 35.161548] ? xt_alloc_table_info+0x64/0xe0 [ 35.165930] __vmalloc_node_flags_caller+0x50/0x60 [ 35.170834] ? xt_alloc_table_info+0x64/0xe0 [ 35.175221] kvmalloc_node+0x82/0xd0 [ 35.178915] xt_alloc_table_info+0x64/0xe0 [ 35.183128] do_ipt_set_ctl+0x29b/0x5f0 [ 35.187084] ? translate_compat_table+0x1b90/0x1b90 [ 35.192093] ? mutex_unlock+0xd/0x10 [ 35.195784] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 35.201043] nf_setsockopt+0x67/0xc0 [ 35.204739] ip_setsockopt+0xa1/0xb0 [ 35.208432] tcp_setsockopt+0x82/0xd0 [ 35.212216] sock_common_setsockopt+0x95/0xd0 [ 35.216691] SyS_setsockopt+0x189/0x360 [ 35.220647] ? SyS_recv+0x40/0x40 [ 35.224079] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 35.228900] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.233896] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.238640] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 35.243370] RIP: 0033:0x440349 [ 35.246532] RSP: 002b:00007ffce0be7b18 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 35.254214] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440349 [ 35.261464] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 35.268707] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 35.275950] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018b0 [ 35.283196] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 35.290470] CPU: 1 PID: 3161 Comm: syzkaller793101 Not tainted 4.15.0-rc5+ #238 [ 35.290555] Mem-Info: [ 35.290572] active_anon:4559 inactive_anon:33 isolated_anon:0 [ 35.290572] active_file:15 inactive_file:15 isolated_file:0 [ 35.290572] unevictable:0 dirty:0 writeback:0 unstable:0 [ 35.290572] slab_reclaimable:7232 slab_unreclaimable:82658 [ 35.290572] mapped:2 shmem:40 pagetables:299 bounce:0 [ 35.290572] free:15787 free_pcp:30 free_cma:0 [ 35.290585] Node 0 active_anon:18236kB inactive_anon:132kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 35.290588] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 35.290604] lowmem_reserve[]: 0 2881 6394 6394 [ 35.290617] Node 0 DMA32 free:28768kB min:30380kB low:37972kB high:45564kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2953024kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 35.290634] lowmem_reserve[]: 0 0 3512 3512 [ 35.290646] Node 0 Normal free:18472kB min:37036kB low:46292kB high:55548kB active_anon:18236kB inactive_anon:132kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3596972kB mlocked:0kB kernel_stack:2912kB pagetables:1196kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.290662] lowmem_reserve[]: 0 0 0 0 [ 35.290674] 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 [ 35.290727] Node 0 DMA32: 4*4kB (ME) 4*8kB (ME) 5*16kB (UME) 3*32kB (ME) 4*64kB (UM) 3*128kB (ME) 5*256kB (UME) 4*512kB (ME) 4*1024kB (ME) 2*2048kB (ME) 4*4096kB (M) = 28768kB [ 35.290790] Node 0 Normal: 278*4kB (UME) 168*8kB (UME) 111*16kB (M) 86*32kB (ME) 40*64kB (UME) 31*128kB (UME) 15*256kB (UME) 1*512kB (E) 1*1024kB (E) 0*2048kB 0*4096kB = 18888kB [ 35.290849] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 35.290852] 70 total pagecache pages [ 35.290860] 0 pages in swap cache [ 35.290864] Swap cache stats: add 0, delete 0, find 0/0 [ 35.290866] Free swap = 0kB [ 35.290869] Total swap = 0kB [ 35.290872] 1965979 pages RAM [ 35.290875] 0 pages HighMem/MovableOnly [ 35.290877] 324503 pages reserved [ 35.290882] Unreclaimable slab info: [ 35.290884] Name Used Total [ 35.290891] hashtab_node 118KB 119KB [ 35.290896] ebitmap_node 387KB 389KB [ 35.290901] avtab_node 1012KB 1013KB [ 35.290907] TIPC 1KB 7KB [ 35.290915] SCTPv6 2KB 4KB [ 35.290923] DCCPv6 2KB 7KB [ 35.290930] DCCP 2KB 6KB [ 35.290947] fib6_nodes 0KB 4KB [ 35.290952] ip6_dst_cache 6KB 11KB [ 35.290958] RAWv6 9KB 13KB [ 35.290963] UDPv6 12KB 14KB [ 35.290970] TCPv6 2KB 5KB [ 35.290982] sd_ext_cdb 0KB 3KB [ 35.290987] scsi_sense_cache 102KB 156KB [ 35.290992] virtio_scsi_cmd 16KB 16KB [ 35.290999] sgpool-128 8KB 8KB [ 35.291024] sgpool-64 4KB 6KB [ 35.291029] sgpool-32 78KB 78KB [ 35.291034] sgpool-16 26KB 26KB [ 35.291039] sgpool-8 202KB 240KB [ 35.291045] cfq_io_cq 17KB 19KB [ 35.291050] cfq_queue 29KB 30KB [ 35.291055] mqueue_inode_cache 1KB 7KB [ 35.291061] nfs_commit_data 3KB 7KB [ 35.291066] nfs_write_data 34KB 37KB [ 35.291074] jbd2_inode 1KB 3KB [ 35.291079] ext4_system_zone 0KB 3KB [ 35.291091] bio-1 1KB 3KB [ 35.291102] rpc_buffers 17KB 19KB [ 35.291107] rpc_tasks 2KB 3KB [ 35.291112] UNIX 1604KB 1631KB [ 35.291119] tcp_bind_bucket 0KB 4KB [ 35.291126] ip_fib_trie 0KB 3KB [ 35.291131] ip_fib_alias 0KB 3KB [ 35.291136] ip_dst_cache 4KB 7KB [ 35.291141] RAW 5KB 7KB [ 35.291146] UDP 29KB 31KB [ 35.291152] TCP 28KB 31KB [ 35.291157] hugetlbfs_inode_cache 1KB 7KB [ 35.291164] eventpoll_pwq 11KB 15KB [ 35.291168] eventpoll_epi 21KB 27KB [ 35.291173] inotify_inode_mark 4KB 7KB [ 35.291179] request_queue 53KB 135KB [ 35.291185] blkdev_ioc 21KB 27KB [ 35.291190] bio-0 296KB 296KB [ 35.291195] biovec-(1<<(21-12)) 552KB 552KB [ 35.291200] biovec-64 118KB 118KB [ 35.291205] biovec-16 18KB 18KB [ 35.291209] bio_integrity_payload 0KB 4KB [ 35.291214] khugepaged_mm_slot 0KB 3KB [ 35.291223] uid_cache 1KB 3KB [ 35.291227] dmaengine-unmap-2 0KB 3KB [ 35.291232] audit_buffer 0KB 3KB [ 35.291238] skbuff_fclone_cache 125KB 127KB [ 35.291243] skbuff_head_cache 1898KB 1908KB [ 35.291247] configfs_dir_cache 0KB 4KB [ 35.291252] file_lock_cache 149KB 154KB [ 35.291257] file_lock_ctx 1KB 3KB [ 35.291262] fsnotify_mark_connector 2KB 7KB [ 35.291268] shmem_inode_cache 875KB 879KB [ 35.291273] task_delay_info 301KB 395KB [ 35.291278] sigqueue 312KB 318KB [ 35.291283] kernfs_node_cache 1837KB 1842KB [ 35.291288] mnt_cache 14KB 20KB [ 35.291293] filp 8235KB 8265KB [ 35.291298] names_cache 114711KB 114741KB [ 35.291306] avc_node 37KB 39KB [ 35.291310] selinux_file_security 408KB 414KB [ 35.291315] selinux_inode_security 1905KB 1908KB [ 35.291320] key_jar 3KB 7KB [ 35.291325] nsproxy 0KB 3KB [ 35.291330] vm_area_struct 16950KB 16973KB [ 35.291335] mm_struct 3950KB 3984KB [ 35.291339] fs_cache 402KB 480KB [ 35.291344] files_cache 1394KB 1612KB [ 35.291349] signal_cache 2203KB 2594KB [ 35.291354] sighand_cache 235KB 326KB [ 35.291359] task_struct 9401KB 9420KB [ 35.291364] cred_jar 2200KB 2220KB [ 35.291368] anon_vma_chain 6928KB 6937KB [ 35.291373] anon_vma 165KB 281KB [ 35.291378] pid 201KB 296KB [ 35.291382] Acpi-Operand 106KB 170KB [ 35.291387] Acpi-ParseExt 0KB 3KB [ 35.291391] Acpi-Parse 5KB 11KB [ 35.291396] Acpi-State 0KB 11KB [ 35.291401] Acpi-Namespace 19KB 23KB [ 35.291406] numa_policy 0KB 3KB [ 35.291411] debug_objects_cache 464KB 469KB [ 35.291416] trace_event_file 144KB 147KB [ 35.291421] ftrace_event_field 254KB 255KB [ 35.291426] pool_workqueue 21KB 24KB [ 35.291431] page->ptl 2718KB 2727KB [ 35.291454] kmalloc-262144 1032KB 1032KB [ 35.291459] kmalloc-131072 650KB 650KB [ 35.291464] kmalloc-65536 264KB 264KB [ 35.291468] kmalloc-32768 462KB 462KB [ 35.291473] kmalloc-16384 148KB 148KB [ 35.291478] kmalloc-8192 363KB 363KB [ 35.291482] kmalloc-4096 8126KB 8155KB [ 35.291487] kmalloc-2048 2989KB 2996KB [ 35.291492] kmalloc-1024 3520KB 3520KB [ 35.291496] kmalloc-512 3111KB 3292KB [ 35.291501] kmalloc-256 1575KB 1867KB [ 35.291505] kmalloc-128 402KB 504KB [ 35.291510] kmalloc-96 369KB 408KB [ 35.291514] kmalloc-64 730KB 812KB [ 35.291519] kmalloc-32 1835KB 2169KB [ 35.291524] kmalloc-192 177KB 224KB [ 35.291528] kmem_cache 96KB 101KB [ 35.291532] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 35.291558] [ 1605] 0 1605 5385 185 86016 0 -1000 udevd [ 35.291569] [ 3002] 0 3002 30658 175 122880 0 0 rsyslogd [ 35.291580] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 35.291590] [ 3076] 0 3076 3735 44 73728 0 0 mcstransd [ 35.291600] [ 3104] 0 3104 12490 152 151552 0 -1000 sshd [ 35.291611] [ 3128] 0 3128 3694 40 73728 0 0 getty [ 35.291621] [ 3129] 0 3129 3694 41 73728 0 0 getty [ 35.291632] [ 3130] 0 3130 3694 40 73728 0 0 getty [ 35.291641] [ 3131] 0 3131 3694 39 73728 0 0 getty [ 35.291651] [ 3132] 0 3132 3694 41 77824 0 0 getty [ 35.291662] [ 3133] 0 3133 3694 41 77824 0 0 getty [ 35.291672] [ 3134] 0 3134 3649 40 73728 0 0 getty [ 35.291683] [ 3139] 0 3139 5681 454 81920 0 -1000 udevd [ 35.291694] [ 3140] 0 3140 5681 454 81920 0 -1000 udevd [ 35.291704] [ 3156] 0 3156 17821 197 180224 0 0 sshd [ 35.291714] [ 3158] 0 3158 280 1 32768 0 0 syzkaller793101 [ 35.291728] [ 3161] 0 3161 4375 0 32768 0 0 syzkaller793101 [ 35.291738] [ 3162] 0 3162 4375 522 36864 0 0 syzkaller793101 [ 35.291748] [ 3163] 0 3163 4375 522 36864 0 0 syzkaller793101 [ 35.291759] [ 3164] 0 3164 4375 522 36864 0 0 syzkaller793101 [ 35.291768] [ 3165] 0 3165 4375 522 36864 0 0 syzkaller793101 [ 35.291778] [ 3166] 0 3166 4375 522 36864 0 0 syzkaller793101 [ 35.291796] Out of memory: Kill process 3162 (syzkaller793101) score 0 or sacrifice child [ 35.291829] Killed process 3162 (syzkaller793101) total-vm:17500kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 35.298982] oom_reaper: reaped process 3162 (syzkaller793101), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 35.299763] syzkaller793101 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 35.299767] syzkaller793101 cpuset=/ mems_allowed=0 [ 36.374562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.383886] Call Trace: [ 36.386452] dump_stack+0x194/0x257 [ 36.390059] ? arch_local_irq_restore+0x53/0x53 [ 36.394706] ? idr_get_free_cmn+0xfd0/0xfd0 [ 36.399022] warn_alloc+0x19a/0x2b0 [ 36.402631] ? zone_watermark_ok_safe+0x400/0x400 [ 36.407465] ? rcu_note_context_switch+0x710/0x710 [ 36.412388] __vmalloc_node_range+0x482/0x650 [ 36.416873] ? xt_alloc_table_info+0x64/0xe0 [ 36.421259] __vmalloc_node_flags_caller+0x50/0x60 [ 36.426163] ? xt_alloc_table_info+0x64/0xe0 [ 36.430549] kvmalloc_node+0x82/0xd0 [ 36.434242] xt_alloc_table_info+0x64/0xe0 [ 36.438454] do_ipt_set_ctl+0x29b/0x5f0 [ 36.442409] ? translate_compat_table+0x1b90/0x1b90 [ 36.447420] ? mutex_unlock+0xd/0x10 [ 36.451198] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 36.456455] nf_setsockopt+0x67/0xc0 [ 36.460150] ip_setsockopt+0xa1/0xb0 [ 36.463851] tcp_setsockopt+0x82/0xd0 [ 36.467634] sock_common_setsockopt+0x95/0xd0 [ 36.472111] SyS_setsockopt+0x189/0x360 [ 36.476066] ? SyS_recv+0x40/0x40 [ 36.479498] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 36.484319] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.489318] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.494061] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 36.498788] RIP: 0033:0x440349 [ 36.502211] RSP: 002b:00007ffce0be7b18 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 36.509892] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440349 [ 36.517136] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 36.524380] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 36.531624] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018b0 [ 36.538869] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 36.546143] CPU: 0 PID: 3165 Comm: syzkaller793101 Not tainted 4.15.0-rc5+ #238 [ 36.546228] warn_alloc_show_mem: 1 callbacks suppressed [ 36.546231] Mem-Info: [ 36.546247] active_anon:4043 inactive_anon:33 isolated_anon:0 [ 36.546247] active_file:15 inactive_file:15 isolated_file:0 [ 36.546247] unevictable:0 dirty:0 writeback:0 unstable:0 [ 36.546247] slab_reclaimable:7232 slab_unreclaimable:82658 [ 36.546247] mapped:2 shmem:40 pagetables:299 bounce:0 [ 36.546247] free:16371 free_pcp:36 free_cma:0 [ 36.546260] Node 0 active_anon:16172kB inactive_anon:132kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 36.546263] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 36.546279] lowmem_reserve[]: 0 2881 6394 6394 [ 36.546291] Node 0 DMA32 free:28768kB min:30380kB low:37972kB high:45564kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2953024kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 36.546307] lowmem_reserve[]: 0 0 3512 3512 [ 36.546319] Node 0 Normal free:20808kB min:37036kB low:46292kB high:55548kB active_anon:16172kB inactive_anon:132kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3596972kB mlocked:0kB kernel_stack:2912kB pagetables:1196kB bounce:0kB free_pcp:24kB local_pcp:0kB free_cma:0kB [ 36.546335] lowmem_reserve[]: 0 0 0 0 [ 36.546346] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 36.546397] Node 0 DMA32: 4*4kB (ME) 4*8kB (ME) 5*16kB (UME) 3*32kB (ME) 4*64kB (UM) 3*128kB (ME) 5*256kB (UME) 4*512kB (ME) 4*1024kB (ME) 2*2048kB (ME) 4*4096kB (M) = 28768kB [ 36.546454] Node 0 Normal: 278*4kB (UME) 168*8kB (UME) 111*16kB (M) 86*32kB (ME) 40*64kB (UME) 31*128kB (UME) 15*256kB (UME) 1*512kB (E) 1*1024kB (E) 1*2048kB (M) 0*4096kB = 20936kB [ 36.546512] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 36.546515] 70 total pagecache pages [ 36.546523] 0 pages in swap cache [ 36.546526] Swap cache stats: add 0, delete 0, find 0/0 [ 36.546529] Free swap = 0kB [ 36.546531] Total swap = 0kB [ 36.546534] 1965979 pages RAM [ 36.546537] 0 pages HighMem/MovableOnly [ 36.546539] 324503 pages reserved [ 36.797505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.806825] Call Trace: [ 36.809387] dump_stack+0x194/0x257 [ 36.812986] ? arch_local_irq_restore+0x53/0x53 [ 36.817628] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.822805] dump_header+0x28c/0xe1e [ 36.826495] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.831650] ? print_irqtrace_events+0x270/0x270 [ 36.836380] ? pagefault_out_of_memory+0x152/0x152 [ 36.841276] ? check_noncircular+0x20/0x20 [ 36.845480] ? print_irqtrace_events+0x270/0x270 [ 36.850207] ? __lock_acquire+0x664/0x3e00 [ 36.854414] ? check_noncircular+0x20/0x20 [ 36.858626] ? find_held_lock+0x35/0x1d0 [ 36.862665] ? check_noncircular+0x20/0x20 [ 36.866868] ? task_will_free_mem+0x252/0xaa0 [ 36.871336] ? print_irqtrace_events+0x270/0x270 [ 36.876070] ? ___ratelimit+0x30d/0x630 [ 36.880020] ? lock_downgrade+0x980/0x980 [ 36.884140] ? lock_release+0xa40/0xa40 [ 36.888087] ? mark_held_locks+0xaf/0x100 [ 36.892207] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 36.897279] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.902263] ? trace_hardirqs_on+0xd/0x10 [ 36.906383] ? ___ratelimit+0x95/0x630 [ 36.910240] ? idr_get_free_cmn+0xfd0/0xfd0 [ 36.914531] ? check_noncircular+0x20/0x20 [ 36.918731] ? find_held_lock+0x138/0x1d0 [ 36.922856] oom_kill_process+0x8b5/0x14a0 [ 36.927063] ? has_ns_capability_noaudit+0x163/0x2a0 [ 36.932135] ? lock_downgrade+0x980/0x980 [ 36.936259] ? oom_evaluate_task+0x480/0x480 [ 36.940652] ? security_capable_noaudit+0x8b/0xc0 [ 36.945467] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 36.950538] ? has_capability+0x30/0x30 [ 36.954478] ? do_raw_spin_trylock+0x190/0x190 [ 36.959030] ? check_noncircular+0x20/0x20 [ 36.963238] ? has_capability_noaudit+0x24/0x30 [ 36.967877] ? oom_badness+0xd1/0x980 [ 36.971648] ? lock_release+0xa40/0xa40 [ 36.975591] ? do_try_to_free_pages+0xc53/0x1020 [ 36.980320] ? find_lock_task_mm+0x460/0x460 [ 36.984701] ? find_held_lock+0x35/0x1d0 [ 36.988737] ? out_of_memory+0xb3a/0x1220 [ 36.992854] ? lock_downgrade+0x980/0x980 [ 36.996976] ? lock_release+0xa40/0xa40 [ 37.000920] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 37.005828] ? oom_evaluate_task+0x284/0x480 [ 37.010209] out_of_memory+0x86d/0x1220 [ 37.014164] ? oom_killer_disable+0x310/0x310 [ 37.018627] ? mutex_trylock+0x23a/0x2d0 [ 37.022658] ? __lock_is_held+0xb6/0x140 [ 37.026687] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 37.032116] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 37.036957] ? warn_alloc+0x2b0/0x2b0 [ 37.040741] ? check_noncircular+0x20/0x20 [ 37.044947] ? switched_to_fair+0xb0/0xb0 [ 37.049070] ? __enqueue_entity+0x109/0x1e0 [ 37.053377] ? print_irqtrace_events+0x270/0x270 [ 37.058108] ? finish_task_switch+0x1d3/0x740 [ 37.062603] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 37.068482] ? __might_sleep+0x95/0x190 [ 37.072438] __alloc_pages_nodemask+0x9fb/0xd80 [ 37.077083] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 37.082070] ? __sched_text_start+0x8/0x8 [ 37.086184] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.091172] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.095906] ? __lock_is_held+0xb6/0x140 [ 37.100040] ? rcu_note_context_switch+0x710/0x710 [ 37.104946] alloc_pages_current+0xb6/0x1e0 [ 37.109241] __vmalloc_node_range+0x409/0x650 [ 37.113716] ? xt_alloc_table_info+0x64/0xe0 [ 37.118095] __vmalloc_node_flags_caller+0x50/0x60 [ 37.122993] ? xt_alloc_table_info+0x64/0xe0 [ 37.127373] kvmalloc_node+0x82/0xd0 [ 37.131066] xt_alloc_table_info+0x64/0xe0 [ 37.135272] do_ipt_set_ctl+0x29b/0x5f0 [ 37.139219] ? translate_compat_table+0x1b90/0x1b90 [ 37.144217] ? mutex_unlock+0xd/0x10 [ 37.147898] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 37.153146] nf_setsockopt+0x67/0xc0 [ 37.156833] ip_setsockopt+0xa1/0xb0 [ 37.160518] tcp_setsockopt+0x82/0xd0 [ 37.164295] sock_common_setsockopt+0x95/0xd0 [ 37.168762] SyS_setsockopt+0x189/0x360 [ 37.172710] ? SyS_recv+0x40/0x40 [ 37.176133] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 37.180946] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.185937] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.190669] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 37.195391] RIP: 0033:0x440349 [ 37.198547] RSP: 002b:00007ffce0be7b18 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 37.206222] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440349 [ 37.213459] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 37.220697] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 37.227937] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018b0 [ 37.235180] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 37.242626] Mem-Info: [ 37.245420] active_anon:4042 inactive_anon:33 isolated_anon:0 [ 37.245420] active_file:15 inactive_file:15 isolated_file:0 [ 37.245420] unevictable:0 dirty:0 writeback:0 unstable:0 [ 37.245420] slab_reclaimable:7230 slab_unreclaimable:82630 [ 37.245420] mapped:2 shmem:40 pagetables:298 bounce:0 [ 37.245420] free:16437 free_pcp:11 free_cma:0 [ 37.277475] Node 0 active_anon:16168kB inactive_anon:132kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 37.304289] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 37.331980] lowmem_reserve[]: 0 2881 6394 6394 [ 37.338119] Node 0 DMA32 free:28888kB min:30380kB low:37972kB high:45564kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2953024kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 37.366803] lowmem_reserve[]: 0 0 3512 3512 [ 37.372622] Node 0 Normal free:18472kB min:37036kB low:46292kB high:55548kB active_anon:16168kB inactive_anon:132kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3596972kB mlocked:0kB kernel_stack:2912kB pagetables:1192kB bounce:0kB free_pcp:164kB local_pcp:44kB free_cma:0kB [ 37.403450] lowmem_reserve[]: 0 0 0 0 [ 37.407483] 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 [ 37.421189] Node 0 DMA32: 4*4kB (ME) 5*8kB (UME) 4*16kB (ME) 3*32kB (ME) 4*64kB (UM) 4*128kB (UME) 5*256kB (UME) 4*512kB (ME) 4*1024kB (ME) 2*2048kB (ME) 4*4096kB (M) = 28888kB [ 37.437242] Node 0 Normal: 239*4kB (UME) 167*8kB (UME) 110*16kB (M) 86*32kB (UME) 41*64kB (UME) 31*128kB (UME) 14*256kB (ME) 1*512kB (E) 1*1024kB (E) 0*2048kB 0*4096kB = 18516kB [ 37.453373] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 37.462006] 70 total pagecache pages [ 37.472776] 0 pages in swap cache [ 37.492339] Swap cache stats: add 0, delete 0, find 0/0 [ 37.509497] Free swap = 0kB [ 37.524059] Total swap = 0kB [ 37.528533] 1965979 pages RAM [ 37.533498] 0 pages HighMem/MovableOnly [ 37.539070] 324503 pages reserved [ 37.543968] Unreclaimable slab info: [ 37.549141] Name Used Total [ 37.556142] hashtab_node 118KB 119KB [ 37.562948] ebitmap_node 387KB 389KB [ 37.569768] avtab_node 1012KB 1013KB [ 37.576584] TIPC 1KB 7KB [ 37.583439] SCTPv6 2KB 4KB [ 37.590295] DCCPv6 2KB 7KB [ 37.597840] DCCP 2KB 6KB [ 37.606774] fib6_nodes 0KB 4KB [ 37.614977] ip6_dst_cache 6KB 11KB [ 37.622477] RAWv6 9KB 13KB [ 37.629979] UDPv6 12KB 14KB [ 37.637698] TCPv6 2KB 5KB [ 37.657240] sd_ext_cdb 0KB 3KB [ 37.664112] scsi_sense_cache 96KB 156KB [ 37.670933] virtio_scsi_cmd 16KB 16KB [ 37.677750] sgpool-128 8KB 8KB [ 37.684560] sgpool-64 4KB 6KB [ 37.691391] sgpool-32 70KB 78KB [ 37.698229] sgpool-16 24KB 26KB [ 37.705059] sgpool-8 197KB 240KB [ 37.711872] cfq_io_cq 16KB 19KB [ 37.718878] cfq_queue 25KB 30KB [ 37.725691] mqueue_inode_cache 1KB 7KB [ 37.732608] nfs_commit_data 3KB 7KB [ 37.739452] nfs_write_data 34KB 37KB [ 37.746281] jbd2_inode 1KB 3KB [ 37.753109] ext4_system_zone 0KB 3KB [ 37.759929] bio-1 1KB 3KB [ 37.780474] rpc_buffers 17KB 19KB [ 37.800282] rpc_tasks 2KB 3KB [ 37.807146] UNIX 1601KB 1631KB [ 37.813958] tcp_bind_bucket 0KB 4KB [ 37.820767] ip_fib_trie 0KB 3KB [ 37.827570] ip_fib_alias 0KB 3KB [ 37.834340] ip_dst_cache 4KB 7KB [ 37.854065] RAW 5KB 7KB [ 37.873068] UDP 29KB 31KB [ 37.890065] TCP 26KB 31KB [ 37.903071] hugetlbfs_inode_cache 1KB 7KB [ 37.952043] eventpoll_pwq 11KB 15KB [ 37.968312] eventpoll_epi 21KB 27KB [ 37.999858] inotify_inode_mark 4KB 7KB [ 38.021071] request_queue 53KB 135KB [ 38.039071] blkdev_ioc 27KB 27KB [ 38.053069] bio-0 300KB 300KB [ 38.088043] biovec-(1<<(21-12)) 552KB 552KB [ 38.107072] biovec-64 141KB 141KB [ 38.129073] biovec-16 18KB 18KB [ 38.146966] bio_integrity_payload 0KB 4KB [ 38.164070] khugepaged_mm_slot 0KB 3KB [ 38.182079] uid_cache 0KB 3KB [ 38.208073] dmaengine-unmap-2 0KB 3KB [ 38.225070] audit_buffer 0KB 3KB [ 38.244096] skbuff_fclone_cache 125KB 127KB [ 38.261067] skbuff_head_cache 1894KB 1908KB [ 38.311054] configfs_dir_cache 0KB 4KB [ 38.321050] file_lock_cache 149KB 154KB [ 38.331050] file_lock_ctx 1KB 3KB [ 38.341054] fsnotify_mark_connector 2KB 7KB [ 38.353057] shmem_inode_cache 875KB 879KB [ 38.364062] task_delay_info 300KB 395KB [ 38.374051] sigqueue 312KB 318KB [ 38.385052] kernfs_node_cache 1837KB 1842KB [ 38.396047] mnt_cache 14KB 20KB [ 38.407078] filp 8221KB 8257KB [ 38.418044] names_cache 114805KB 114805KB [ 38.429048] avc_node 37KB 39KB [ 38.440056] selinux_file_security 407KB 414KB [ 38.455072] selinux_inode_security 1908KB 1908KB [ 38.465050] key_jar 3KB 7KB [ 38.486050] nsproxy 0KB 3KB [ 38.499047] vm_area_struct 16984KB 16984KB [ 38.524051] mm_struct 3979KB 3984KB [ 38.531575] fs_cache 400KB 480KB [ 38.542072] files_cache 1393KB 1612KB [ 38.552460] signal_cache 2219KB 2594KB [ 38.559517] sighand_cache 231KB 326KB [ 38.564924] task_struct 9420KB 9420KB [ 38.571084] cred_jar 2218KB 2220KB [ 38.576461] anon_vma_chain 6957KB 6957KB [ 38.581835] anon_vma 164KB 281KB [ 38.587204] pid 201KB 296KB [ 38.592577] Acpi-Operand 106KB 170KB [ 38.597951] Acpi-ParseExt 0KB 3KB [ 38.603358] Acpi-Parse 5KB 11KB [ 38.608737] Acpi-State 0KB 11KB [ 38.614124] Acpi-Namespace 19KB 23KB [ 38.618844] syzkaller793101: vmalloc: allocation failure, allocated 1167745024 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 38.618849] syzkaller793101 cpuset=/ mems_allowed=0 [ 38.618865] CPU: 0 PID: 3162 Comm: syzkaller793101 Not tainted 4.15.0-rc5+ #238 [ 38.618869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.618872] Call Trace: [ 38.618888] dump_stack+0x194/0x257 [ 38.618901] ? arch_local_irq_restore+0x53/0x53 [ 38.618909] ? idr_get_free_cmn+0xfd0/0xfd0 [ 38.618934] warn_alloc+0x19a/0x2b0 [ 38.618946] ? zone_watermark_ok_safe+0x400/0x400 [ 38.618970] ? rcu_note_context_switch+0x710/0x710 [ 38.618997] __vmalloc_node_range+0x482/0x650 [ 38.619022] ? xt_alloc_table_info+0x64/0xe0 [ 38.619030] __vmalloc_node_flags_caller+0x50/0x60 [ 38.619039] ? xt_alloc_table_info+0x64/0xe0 [ 38.619052] kvmalloc_node+0x82/0xd0 [ 38.619065] xt_alloc_table_info+0x64/0xe0 [ 38.619078] do_ipt_set_ctl+0x29b/0x5f0 [ 38.619093] ? translate_compat_table+0x1b90/0x1b90 [ 38.619119] ? mutex_unlock+0xd/0x10 [ 38.619127] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 38.619140] nf_setsockopt+0x67/0xc0 [ 38.619153] ip_setsockopt+0xa1/0xb0 [ 38.619168] tcp_setsockopt+0x82/0xd0 [ 38.619184] sock_common_setsockopt+0x95/0xd0 [ 38.619198] SyS_setsockopt+0x189/0x360 [ 38.619212] ? SyS_recv+0x40/0x40 [ 38.619222] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 38.619234] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.619245] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.619263] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 38.619269] RIP: 0033:0x440349 [ 38.619273] RSP: 002b:00007ffce0be7b18 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 38.619280] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440349 [ 38.619284] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 38.619288] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 38.619292] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018b0 [ 38.619296] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 38.619443] Mem-Info: [ 38.619458] active_anon:4067 inactive_anon:33 isolated_anon:0 [ 38.619458] active_file:33 inactive_file:0 isolated_file:0 [ 38.619458] unevictable:0 dirty:25 writeback:0 unstable:0 [ 38.619458] slab_reclaimable:7255 slab_unreclaimable:82445 [ 38.619458] mapped:27 shmem:40 pagetables:298 bounce:0 [ 38.619458] free:17724 free_pcp:202 free_cma:0 [ 38.619472] Node 0 active_anon:16268kB inactive_anon:132kB active_file:132kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:108kB dirty:100kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 38.619475] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 38.619492] lowmem_reserve[]: 0 2881 6394 6394 [ 38.619512] Node 0 DMA32 free:28836kB min:30380kB low:37972kB high:45564kB active_anon:100kB inactive_anon:0kB active_file:200kB inactive_file:100kB unevictable:0kB writepending:0kB present:3129332kB managed:2953024kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:128kB local_pcp:128kB free_cma:0kB [ 38.619529] lowmem_reserve[]: 0 0 3512 3512 [ 38.619541] Node 0 Normal free:26152kB min:37036kB low:46292kB high:55548kB active_anon:16168kB inactive_anon:132kB active_file:224kB inactive_file:440kB unevictable:0kB writepending:148kB present:4718592kB managed:3596972kB mlocked:0kB kernel_stack:2912kB pagetables:1192kB bounce:0kB free_pcp:680kB local_pcp:680kB free_cma:0kB [ 38.619557] lowmem_reserve[]: 0 0 0 0 [ 38.619568] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 38.619619] Node 0 DMA32: 11*4kB (ME) 15*8kB (UM) 9*16kB (UME) 5*32kB (UME) 3*64kB (UM) 1*128kB (E) 5*256kB (UME) 5*512kB (UME) 4*1024kB (ME) 2*2048kB (ME) 4*4096kB (M) = 29204kB [ 38.619675] Node 0 Normal: 301*4kB (UM) 217*8kB (UME) 171*16kB (UME) 142*32kB (UM) 101*64kB (UM) 32*128kB (UME) 14*256kB (ME) 2*512kB (UE) 1*1024kB (E) 0*2048kB 0*4096kB = 26412kB [ 38.619732] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 38.619735] 84 total pagecache pages [ 38.619743] 0 pages in swap cache [ 38.619747] Swap cache stats: add 0, delete 0, find 0/0 [ 38.619749] Free swap = 0kB [ 38.619751] Total swap = 0kB [ 38.619754] 1965979 pages RAM [ 38.619757] 0 pages HighMem/MovableOnly [ 38.619759] 324503 pages reserved [ 39.540069] numa_policy 0KB 3KB [ 39.561066] debug_objects_cache 463KB 469KB [ 39.586067] trace_event_file 144KB 147KB [ 39.603066] ftrace_event_field 254KB 255KB [ 39.628068] pool_workqueue 21KB 24KB [ 39.649068] page->ptl 2727KB 2727KB [ 39.674089] kmalloc-262144 1032KB 1032KB [ 39.695069] kmalloc-131072 650KB 650KB [ 39.716071] kmalloc-65536 264KB 264KB [ 39.737070] kmalloc-32768 462KB 462KB [ 39.762072] kmalloc-16384 148KB 148KB [ 39.772049] kmalloc-8192 363KB 363KB [ 39.782049] kmalloc-4096 7985KB 8007KB [ 39.792047] kmalloc-2048 2989KB 2996KB [ 39.802046] kmalloc-1024 3780KB 3780KB [ 39.813063] kmalloc-512 3101KB 3288KB [ 39.824057] kmalloc-256 1571KB 1863KB [ 39.835047] kmalloc-128 402KB 504KB [ 39.846059] kmalloc-96 363KB 408KB [ 39.856044] kmalloc-64 729KB 812KB [ 39.867064] kmalloc-32 1833KB 2169KB [ 39.878052] kmalloc-192 177KB 224KB [ 39.890050] kmem_cache 96KB 101KB [ 39.900053] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 39.918083] [ 1605] 0 1605 5385 186 86016 0 -1000 udevd [ 39.926294] [ 3002] 0 3002 30691 200 122880 0 0 rsyslogd [ 39.934721] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 39.942819] [ 3076] 0 3076 3735 44 73728 0 0 mcstransd [ 39.951342] [ 3104] 0 3104 12490 152 151552 0 -1000 sshd [ 39.959434] [ 3128] 0 3128 3694 40 73728 0 0 getty [ 39.967598] [ 3129] 0 3129 3694 41 73728 0 0 getty [ 39.975773] [ 3130] 0 3130 3694 40 73728 0 0 getty [ 39.983939] [ 3131] 0 3131 3694 39 73728 0 0 getty [ 39.992108] [ 3132] 0 3132 3694 41 77824 0 0 getty [ 40.000289] [ 3133] 0 3133 3694 41 77824 0 0 getty [ 40.008454] [ 3134] 0 3134 3649 40 73728 0 0 getty [ 40.016647] [ 3139] 0 3139 5681 453 81920 0 -1000 udevd [ 40.024800] [ 3140] 0 3140 5681 454 81920 0 -1000 udevd [ 40.033622] [ 3156] 0 3156 17821 197 180224 0 0 sshd [ 40.041699] [ 3158] 0 3158 280 1 32768 0 0 syzkaller793101 [ 40.050751] [ 3163] 0 3163 4375 522 36864 0 0 syzkaller793101 [ 40.059767] [ 3164] 0 3164 4375 522 36864 0 0 syzkaller793101 [ 40.068794] [ 3165] 0 3165 4375 522 36864 0 0 syzkaller793101 [ 40.077830] [ 3166] 0 3166 4375 522 36864 0 0 syzkaller793101 [ 40.086869] [ 3170] 0 3170 97 1 45056 0 -1000 modprobe [ 40.095291] Out of memory: Kill process 3163 (syzkaller793101) score 0 or sacrifice child [ 40.104470] Killed process 3163 (syzkaller793101) total-vm:17500kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 40.116743] oom_reaper: reaped process 3163 (syzkaller793101), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 40.155846] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 40.167274] rsyslogd cpuset=/ mems_allowed=0 [ 40.171713] CPU: 0 PID: 3006 Comm: rsyslogd Not tainted 4.15.0-rc5+ #238 [ 40.178529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.181229] syzkaller793101: vmalloc: allocation failure, allocated 1619296256 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 40.181233] syzkaller793101 cpuset=/ mems_allowed=0 [ 40.206252] Call Trace: [ 40.208821] dump_stack+0x194/0x257 [ 40.212430] ? arch_local_irq_restore+0x53/0x53 [ 40.217076] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.222250] dump_header+0x28c/0xe1e [ 40.225950] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.231121] ? pagefault_out_of_memory+0x152/0x152 [ 40.236043] ? __lock_acquire+0x664/0x3e00 [ 40.240258] ? check_noncircular+0x20/0x20 [ 40.244476] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.249639] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.254799] ? print_irqtrace_events+0x270/0x270 [ 40.259542] ? check_noncircular+0x20/0x20 [ 40.263751] ? task_will_free_mem+0x252/0xaa0 [ 40.268227] ? print_irqtrace_events+0x270/0x270 [ 40.272970] ? ___ratelimit+0x30d/0x630 [ 40.276921] ? lock_downgrade+0x980/0x980 [ 40.281050] ? lock_release+0xa40/0xa40 [ 40.285007] ? mark_held_locks+0xaf/0x100 [ 40.289132] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 40.294213] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.299207] ? trace_hardirqs_on+0xd/0x10 [ 40.303334] ? ___ratelimit+0x95/0x630 [ 40.307199] ? idr_get_free_cmn+0xfd0/0xfd0 [ 40.311494] ? find_held_lock+0x138/0x1d0 [ 40.315627] oom_kill_process+0x8b5/0x14a0 [ 40.319839] ? lock_downgrade+0x980/0x980 [ 40.323964] ? lock_release+0xa40/0xa40 [ 40.327917] ? find_held_lock+0x35/0x1d0 [ 40.331956] ? oom_evaluate_task+0x480/0x480 [ 40.336346] ? oom_badness+0x21b/0x980 [ 40.340214] ? lock_downgrade+0x980/0x980 [ 40.344340] ? find_lock_task_mm+0x23b/0x460 [ 40.348728] ? task_will_free_mem+0xaa0/0xaa0 [ 40.353201] ? do_raw_spin_trylock+0x190/0x190 [ 40.357758] ? check_noncircular+0x20/0x20 [ 40.361971] ? oom_unkillable_task+0x394/0x4c0 [ 40.366535] ? _raw_spin_unlock+0x22/0x30 [ 40.370660] ? oom_badness+0xd1/0x980 [ 40.374434] ? lock_release+0xa40/0xa40 [ 40.378383] ? do_try_to_free_pages+0xc53/0x1020 [ 40.383118] ? find_lock_task_mm+0x460/0x460 [ 40.387509] ? find_held_lock+0x35/0x1d0 [ 40.391556] ? out_of_memory+0xb3a/0x1220 [ 40.395679] ? lock_downgrade+0x980/0x980 [ 40.399808] ? lock_release+0xa40/0xa40 [ 40.403754] ? lock_acquire+0x1d5/0x580 [ 40.407705] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 40.412620] ? oom_evaluate_task+0x284/0x480 [ 40.417009] out_of_memory+0x86d/0x1220 [ 40.420971] ? oom_killer_disable+0x310/0x310 [ 40.425436] ? mutex_trylock+0x23a/0x2d0 [ 40.429475] ? __lock_is_held+0xb6/0x140 [ 40.433514] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 40.438955] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 40.443785] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.448977] ? warn_alloc+0x2b0/0x2b0 [ 40.452754] ? lock_downgrade+0x980/0x980 [ 40.456890] ? radix_tree_lookup_slot+0x99/0xe0 [ 40.461553] ? find_get_entry+0x53c/0x9e0 [ 40.465672] ? lock_downgrade+0x980/0x980 [ 40.469825] ? __lock_acquire+0x664/0x3e00 [ 40.474082] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.479957] ? __might_sleep+0x95/0x190 [ 40.483911] __alloc_pages_nodemask+0x9fb/0xd80 [ 40.488565] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 40.493560] ? add_to_page_cache_lru+0x510/0x510 [ 40.498308] ? check_noncircular+0x20/0x20 [ 40.502515] ? check_noncircular+0x20/0x20 [ 40.506733] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 40.511494] alloc_pages_current+0xb6/0x1e0 [ 40.515797] __page_cache_alloc+0x334/0x500 [ 40.520094] ? rcu_read_lock_held+0xa9/0xc0 [ 40.524392] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 40.531749] filemap_fault+0xefc/0x1c20 [ 40.535708] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.540890] ? __lock_page_or_retry+0x4f0/0x4f0 [ 40.545545] ? filemap_map_pages+0x942/0x15d0 [ 40.550035] ? find_get_entries_tag+0xeb0/0xeb0 [ 40.554677] ? __is_insn_slot_addr+0x1fc/0x330 [ 40.559235] ? lock_downgrade+0x980/0x980 [ 40.563365] ? check_noncircular+0x20/0x20 [ 40.567576] ? find_held_lock+0x35/0x1d0 [ 40.571612] ? print_irqtrace_events+0x270/0x270 [ 40.576340] ? print_irqtrace_events+0x270/0x270 [ 40.581078] ? is_bpf_text_address+0x7b/0x120 [ 40.585549] ? lock_downgrade+0x980/0x980 [ 40.589686] ? lock_acquire+0x1d5/0x580 [ 40.593631] ? lock_acquire+0x1d5/0x580 [ 40.597580] ? ext4_filemap_fault+0x7a/0xad [ 40.601877] ? __lock_acquire+0x664/0x3e00 [ 40.606090] ? lock_release+0xa40/0xa40 [ 40.610038] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.615895] ? is_bpf_text_address+0xa4/0x120 [ 40.620369] ? rcu_note_context_switch+0x710/0x710 [ 40.625294] ? __might_sleep+0x95/0x190 [ 40.629249] ? down_read+0x96/0x150 [ 40.632847] ? ext4_filemap_fault+0x7a/0xad [ 40.637146] ? __down_interruptible+0x6b0/0x6b0 [ 40.641795] ? do_syslog+0x8b5/0xb80 [ 40.645489] ext4_filemap_fault+0x82/0xad [ 40.649614] __do_fault+0xeb/0x30f [ 40.653125] ? vfs_read+0x11e/0x350 [ 40.656728] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 40.661632] ? pte_offset_kernel+0xc7/0xc7 [ 40.665848] ? check_noncircular+0x20/0x20 [ 40.670061] ? check_noncircular+0x20/0x20 [ 40.674279] __handle_mm_fault+0x1d8f/0x3ce0 [ 40.678672] ? __pmd_alloc+0x4e0/0x4e0 [ 40.682552] ? find_held_lock+0x35/0x1d0 [ 40.686600] ? handle_mm_fault+0x248/0x8d0 [ 40.690810] ? lock_downgrade+0x980/0x980 [ 40.694968] handle_mm_fault+0x334/0x8d0 [ 40.699003] ? down_read_trylock+0xdb/0x170 [ 40.703303] ? __do_page_fault+0x32d/0xc90 [ 40.707512] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 40.712067] ? vmacache_find+0x5f/0x280 [ 40.716015] ? vmacache_update+0xfe/0x130 [ 40.720141] ? find_vma+0x30/0x150 [ 40.723663] __do_page_fault+0x5c9/0xc90 [ 40.727696] ? vfs_copy_file_range+0x940/0x940 [ 40.732266] ? mm_fault_error+0x2c0/0x2c0 [ 40.736391] ? avc_policy_seqno+0x9/0x20 [ 40.740440] do_page_fault+0xee/0x720 [ 40.744217] ? __do_page_fault+0xc90/0xc90 [ 40.748441] ? fput+0xd2/0x140 [ 40.751610] ? SyS_read+0x184/0x220 [ 40.755212] ? entry_SYSCALL_64_fastpath+0x4b/0x96 [ 40.760120] ? page_fault+0x36/0x60 [ 40.763723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.768545] ? page_fault+0x36/0x60 [ 40.772153] page_fault+0x4c/0x60 [ 40.775582] RIP: 0033:0x7f3ca60171fd [ 40.779269] RSP: 002b:00007f3ca35b6e30 EFLAGS: 00010293 [ 40.784605] RAX: 000000000000005e RBX: 00000000012f0650 RCX: 00007f3ca60171fd [ 40.791849] RDX: 0000000000000fff RSI: 00007f3ca4deb5a0 RDI: 0000000000000004 [ 40.799091] RBP: 0000000000000000 R08: 00000000012db260 R09: 0000000000000000 [ 40.806337] R10: 302e30342020205b R11: 0000000000000293 R12: 000000000065e420 [ 40.813580] R13: 00007f3ca35b79c0 R14: 00007f3ca665c040 R15: 0000000000000003 [ 40.820854] CPU: 1 PID: 3163 Comm: syzkaller793101 Not tainted 4.15.0-rc5+ #238 [ 40.820957] Mem-Info: [ 40.820975] active_anon:3544 inactive_anon:32 isolated_anon:0 [ 40.820975] active_file:28 inactive_file:0 isolated_file:0 [ 40.820975] unevictable:0 dirty:1 writeback:0 unstable:0 [ 40.820975] slab_reclaimable:7285 slab_unreclaimable:82400 [ 40.820975] mapped:0 shmem:40 pagetables:298 bounce:0 [ 40.820975] free:15840 free_pcp:71 free_cma:0 [ 40.820988] Node 0 active_anon:14176kB inactive_anon:128kB active_file:112kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:4kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 40.820991] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 40.821030] lowmem_reserve[]: 0 2881 6394 6394 [ 40.821044] Node 0 DMA32 free:29068kB min:30380kB low:37972kB high:45564kB active_anon:40kB inactive_anon:0kB active_file:0kB inactive_file:52kB unevictable:0kB writepending:0kB present:3129332kB managed:2953024kB mlocked:0kB kernel_stack:32kB pagetables:16kB bounce:0kB free_pcp:164kB local_pcp:44kB free_cma:0kB [ 40.821060] lowmem_reserve[]: 0 0 3512 3512 [ 40.821073] Node 0 Normal free:18384kB min:37036kB low:46292kB high:55548kB active_anon:14152kB inactive_anon:128kB active_file:144kB inactive_file:0kB unevictable:0kB writepending:4kB present:4718592kB managed:3596972kB mlocked:0kB kernel_stack:2880kB pagetables:1176kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 40.821089] lowmem_reserve[]: 0 0 0 0 [ 40.821102] 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 [ 40.821159] Node 0 DMA32: 4*4kB (UME) 6*8kB (UME) 3*16kB (ME) 3*32kB (M) 5*64kB (ME) 4*128kB (UM) 5*256kB (ME) 4*512kB (UME) 4*1024kB (ME) 2*2048kB (ME) 4*4096kB (M) = 28944kB [ 40.821219] Node 0 Normal: 206*4kB (UM) 157*8kB (UM) 109*16kB (ME) 83*32kB (M) 42*64kB (ME) 30*128kB (UM) 15*256kB (UME) 1*512kB (E) 1*1024kB (E) 0*2048kB 0*4096kB = 18384kB [ 40.821280] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 40.821283] 90 total pagecache pages [ 40.821291] 0 pages in swap cache [ 40.821296] Swap cache stats: add 0, delete 0, find 0/0 [ 40.821298] Free swap = 0kB [ 40.821301] Total swap = 0kB [ 40.821304] 1965979 pages RAM [ 40.821307] 0 pages HighMem/MovableOnly [ 40.821309] 324503 pages reserved [ 40.821313] Unreclaimable slab info: [ 40.821316] Name Used Total [ 40.821322] hashtab_node 118KB 119KB [ 40.821331] ebitmap_node 387KB 389KB [ 40.821337] avtab_node 1012KB 1013KB [ 40.821343] TIPC 1KB 7KB [ 40.821350] SCTPv6 2KB 4KB [ 40.821360] DCCPv6 2KB 7KB [ 40.821366] DCCP 2KB 6KB [ 40.821384] fib6_nodes 0KB 4KB [ 40.821389] ip6_dst_cache 6KB 11KB [ 40.821396] RAWv6 9KB 13KB [ 40.821401] UDPv6 12KB 14KB [ 40.821408] TCPv6 2KB 5KB [ 40.821420] sd_ext_cdb 0KB 3KB [ 40.821425] scsi_sense_cache 141KB 156KB [ 40.821430] virtio_scsi_cmd 16KB 16KB [ 40.821438] sgpool-128 8KB 8KB [ 40.821442] sgpool-64 4KB 6KB [ 40.821448] sgpool-32 102KB 102KB [ 40.821453] sgpool-16 37KB 37KB [ 40.821458] sgpool-8 303KB 303KB [ 40.821464] cfq_io_cq 19KB 19KB [ 40.821469] cfq_queue 25KB 30KB [ 40.821475] mqueue_inode_cache 1KB 7KB [ 40.821480] nfs_commit_data 3KB 7KB [ 40.821486] nfs_write_data 34KB 37KB [ 40.821493] jbd2_inode 1KB 3KB [ 40.821498] ext4_system_zone 0KB 3KB [ 40.821511] bio-1 1KB 3KB [ 40.821523] rpc_buffers 17KB 19KB [ 40.821528] rpc_tasks 2KB 3KB [ 40.821533] UNIX 1601KB 1631KB [ 40.821540] tcp_bind_bucket 0KB 4KB [ 40.821548] ip_fib_trie 0KB 3KB [ 40.821553] ip_fib_alias 0KB 3KB [ 40.821558] ip_dst_cache 4KB 7KB [ 40.821563] RAW 5KB 7KB [ 40.821568] UDP 29KB 31KB [ 40.821574] TCP 26KB 31KB [ 40.821579] hugetlbfs_inode_cache 1KB 7KB [ 40.821586] eventpoll_pwq 11KB 15KB [ 40.821591] eventpoll_epi 21KB 27KB [ 40.821596] inotify_inode_mark 4KB 7KB [ 40.821601] request_queue 53KB 135KB [ 40.821607] blkdev_ioc 27KB 27KB [ 40.821612] bio-0 446KB 446KB [ 40.821617] biovec-(1<<(21-12)) 602KB 602KB [ 40.821623] biovec-64 181KB 181KB [ 40.821627] biovec-16 26KB 26KB [ 40.821632] bio_integrity_payload 0KB 4KB [ 40.821637] khugepaged_mm_slot 0KB 3KB [ 40.821646] uid_cache 0KB 3KB [ 40.821651] dmaengine-unmap-2 0KB 3KB [ 40.821656] audit_buffer 0KB 3KB [ 40.821661] skbuff_fclone_cache 125KB 127KB [ 40.821666] skbuff_head_cache 1894KB 1908KB [ 40.821671] configfs_dir_cache 0KB 4KB [ 40.821676] file_lock_cache 149KB 154KB [ 40.821681] file_lock_ctx 1KB 3KB [ 40.821686] fsnotify_mark_connector 2KB 7KB [ 40.821692] shmem_inode_cache 875KB 879KB [ 40.821697] task_delay_info 300KB 395KB [ 40.821703] sigqueue 315KB 318KB [ 40.821707] kernfs_node_cache 1837KB 1842KB [ 40.821712] mnt_cache 14KB 20KB [ 40.821717] filp 8221KB 8257KB [ 40.821723] names_cache 113764KB 113802KB [ 40.821731] avc_node 37KB 39KB [ 40.821736] selinux_file_security 407KB 414KB [ 40.821741] selinux_inode_security 1912KB 1912KB [ 40.821746] key_jar 3KB 7KB [ 40.821751] nsproxy 0KB 3KB [ 40.821756] vm_area_struct 17007KB 17007KB [ 40.821760] mm_struct 3979KB 3984KB [ 40.821765] fs_cache 400KB 480KB [ 40.821770] files_cache 1393KB 1612KB [ 40.821775] signal_cache 2219KB 2594KB [ 40.821780] sighand_cache 231KB 326KB [ 40.821785] task_struct 9420KB 9420KB [ 40.821790] cred_jar 2218KB 2220KB [ 40.821795] anon_vma_chain 6969KB 6969KB [ 40.821799] anon_vma 164KB 281KB [ 40.821804] pid 201KB 296KB [ 40.821809] Acpi-Operand 106KB 170KB [ 40.821813] Acpi-ParseExt 0KB 3KB [ 40.821818] Acpi-Parse 5KB 11KB [ 40.821823] Acpi-State 0KB 11KB [ 40.821827] Acpi-Namespace 19KB 23KB [ 40.821833] numa_policy 0KB 3KB [ 40.821838] debug_objects_cache 463KB 469KB [ 40.821843] trace_event_file 144KB 147KB [ 40.821848] ftrace_event_field 254KB 255KB [ 40.821853] pool_workqueue 21KB 24KB [ 40.821859] page->ptl 2731KB 2731KB [ 40.821882] kmalloc-262144 1032KB 1032KB [ 40.821887] kmalloc-131072 650KB 650KB [ 40.821892] kmalloc-65536 264KB 264KB [ 40.821896] kmalloc-32768 462KB 462KB [ 40.821901] kmalloc-16384 148KB 148KB [ 40.821906] kmalloc-8192 363KB 363KB [ 40.821910] kmalloc-4096 8011KB 8011KB [ 40.821915] kmalloc-2048 2989KB 2996KB [ 40.821920] kmalloc-1024 4110KB 4110KB [ 40.821924] kmalloc-512 3101KB 3288KB [ 40.821929] kmalloc-256 1571KB 1863KB [ 40.821934] kmalloc-128 402KB 504KB [ 40.821938] kmalloc-96 363KB 408KB [ 40.821943] kmalloc-64 729KB 812KB [ 40.821948] kmalloc-32 1833KB 2169KB [ 40.821953] kmalloc-192 177KB 224KB [ 40.821958] kmem_cache 96KB 101KB [ 40.821962] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 40.821988] [ 1605] 0 1605 5385 186 86016 0 -1000 udevd [ 40.821999] [ 3002] 0 3002 30691 200 122880 0 0 rsyslogd [ 40.822036] [ 3049] 0 3049 4725 50 86016 0 0 cron [ 40.822047] [ 3076] 0 3076 3735 44 73728 0 0 mcstransd [ 40.822057] [ 3104] 0 3104 12490 152 151552 0 -1000 sshd [ 40.822067] [ 3128] 0 3128 3694 40 73728 0 0 getty [ 40.822077] [ 3129] 0 3129 3694 41 73728 0 0 getty [ 40.822087] [ 3130] 0 3130 3694 40 73728 0 0 getty [ 40.822097] [ 3131] 0 3131 3694 39 73728 0 0 getty [ 40.822108] [ 3132] 0 3132 3694 41 77824 0 0 getty [ 40.822118] [ 3133] 0 3133 3694 41 77824 0 0 getty [ 40.822129] [ 3134] 0 3134 3649 40 73728 0 0 getty [ 40.822139] [ 3139] 0 3139 5681 453 81920 0 -1000 udevd [ 40.822149] [ 3140] 0 3140 5681 454 81920 0 -1000 udevd [ 40.822159] [ 3156] 0 3156 17821 197 180224 0 0 sshd [ 40.822169] [ 3158] 0 3158 280 1 32768 0 0 syzkaller793101 [ 40.822186] [ 3163] 0 3163 4375 0 32768 0 0 syzkaller793101 [ 40.822197] [ 3164] 0 3164 4375 522 36864 0 0 syzkaller793101 [ 40.822207] [ 3165] 0 3165 4375 522 36864 0 0 syzkaller793101 [ 40.822217] [ 3166] 0 3166 4375 522 36864 0 0 syzkaller793101 [ 40.822227] [ 3170] 0 3170 101 1 45056 0 -1000 modprobe [ 40.822233] Out of memory: Kill process 3164 (syzkaller793101) score 0 or sacrifice child [ 40.822253] Killed process 3164 (syzkaller793101) total-vm:17500kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 41.867607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.876939] Call Trace: [ 41.879511] dump_stack+0x194/0x257 [ 41.883123] ? arch_local_irq_restore+0x53/0x53 [ 41.887770] ? idr_get_free_cmn+0xfd0/0xfd0 [ 41.892094] warn_alloc+0x19a/0x2b0 [ 41.895706] ? zone_watermark_ok_safe+0x400/0x400 [ 41.900547] ? rcu_note_context_switch+0x710/0x710 [ 41.905480] __vmalloc_node_range+0x482/0x650 [ 41.909976] ? xt_alloc_table_info+0x64/0xe0 [ 41.914369] __vmalloc_node_flags_caller+0x50/0x60 [ 41.919280] ? xt_alloc_table_info+0x64/0xe0 [ 41.923672] kvmalloc_node+0x82/0xd0 [ 41.927370] xt_alloc_table_info+0x64/0xe0 [ 41.931589] do_ipt_set_ctl+0x29b/0x5f0 [ 41.935552] ? translate_compat_table+0x1b90/0x1b90 [ 41.940569] ? mutex_unlock+0xd/0x10 [ 41.944263] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 41.949526] nf_setsockopt+0x67/0xc0 [ 41.953236] ip_setsockopt+0xa1/0xb0 [ 41.956940] tcp_setsockopt+0x82/0xd0 [ 41.960733] sock_common_setsockopt+0x95/0xd0 [ 41.965217] SyS_setsockopt+0x189/0x360 [ 41.969180] ? SyS_recv+0x40/0x40 [ 41.972615] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 41.977443] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.982443] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.987189] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 41.991922] RIP: 0033:0x440349 [ 41.995091] RSP: 002b:00007ffce0be7b18 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 42.002780] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440349 [ 42.010029] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 42.017280] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 42.024526] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018b0 [ 42.032411] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 42.040063] Mem-Info: [ 42.043060] oom_reaper: reaped process 3164 (syzkaller793101), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 42.043455] modprobe invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 42.043460] modprobe cpuset=/ mems_allowed=0 Connection to 10.128.15.207 closed by remote host. [ 42.043478] CPU: 0 PID: 3170 Comm: modprobe Not tainted 4.15.0-rc5+ #