[....] Starting enhanced syslogd: rsyslogd[ 11.189057] audit: type=1400 audit(1515034967.253:5): avc: denied { syslog } for pid=3312 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: [ 16.249202] audit: type=1400 audit(1515034972.314:6): avc: denied { map } for pid=3452 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 '10.128.15.213' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 62.099254] audit: type=1400 audit(1515035018.164:7): avc: denied { map } for pid=3470 comm="syzkaller744349" path="/root/syzkaller744349386" 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 [ 63.409851] syzkaller744349 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 63.424036] syzkaller744349 cpuset=/ mems_allowed=0 [ 63.429249] CPU: 1 PID: 3478 Comm: syzkaller744349 Not tainted 4.15.0-rc6-mm1+ #50 [ 63.436925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.446249] Call Trace: [ 63.448812] dump_stack+0x137/0x198 [ 63.452414] dump_header+0x163/0x790 [ 63.456099] ? ___ratelimit+0x53/0x550 [ 63.459960] oom_kill_process+0x550/0x650 [ 63.464075] ? lock_downgrade+0x860/0x860 [ 63.468193] ? oom_evaluate_task+0x284/0x480 [ 63.472575] out_of_memory+0x95e/0x15c0 [ 63.476528] ? oom_killer_disable+0x210/0x210 [ 63.480996] ? mutex_trylock+0x172/0x1c0 [ 63.485025] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 63.490012] __alloc_pages_slowpath+0x1eef/0x25c0 [ 63.494843] ? warn_alloc+0x260/0x260 [ 63.498617] ? __lock_is_held+0xb6/0x140 [ 63.502663] ? __might_sleep+0x95/0x190 [ 63.506610] __alloc_pages_nodemask+0x5aa/0x700 [ 63.511248] ? retint_kernel+0x10/0x10 [ 63.515220] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 63.520208] ? __lock_is_held+0xb6/0x140 [ 63.524246] alloc_pages_current+0xb6/0x1e0 [ 63.528540] __vmalloc_node_range+0x409/0x650 [ 63.533012] ? xt_alloc_table_info+0x64/0xe0 [ 63.537390] __vmalloc_node_flags_caller+0x50/0x60 [ 63.542288] ? xt_alloc_table_info+0x64/0xe0 [ 63.547086] kvmalloc_node+0x82/0xd0 [ 63.550789] xt_alloc_table_info+0x64/0xe0 [ 63.554994] do_ipt_set_ctl+0x221/0x430 [ 63.558950] ? translate_compat_table+0x17e0/0x17e0 [ 63.563947] ? mutex_unlock+0xd/0x10 [ 63.567630] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 63.572881] nf_setsockopt+0x67/0xc0 [ 63.576569] ip_setsockopt+0xa1/0xb0 [ 63.580252] tcp_setsockopt+0x82/0xd0 [ 63.584036] sock_common_setsockopt+0x95/0xd0 [ 63.588503] SyS_setsockopt+0x158/0x240 [ 63.592446] ? SyS_recv+0x40/0x40 [ 63.595868] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 63.600682] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 63.605669] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 63.610399] entry_SYSCALL_64_fastpath+0x23/0x9a [ 63.615131] RIP: 0033:0x440619 [ 63.618289] RSP: 002b:00007fff6f3fa398 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 63.625982] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440619 [ 63.633225] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 63.640474] RBP: 00000000006cb018 R08: 0000000000000004 R09: 0000000000000000 [ 63.647714] R10: 0000000020000ffc R11: 0000000000000286 R12: 0000000000401a90 [ 63.654954] R13: 0000000000401b20 R14: 0000000000000000 R15: 0000000000000000 [ 63.662261] Mem-Info: [ 63.664670] active_anon:7862 inactive_anon:62 isolated_anon:0 [ 63.664670] active_file:12 inactive_file:16 isolated_file:0 [ 63.664670] unevictable:0 dirty:0 writeback:0 unstable:0 [ 63.664670] slab_reclaimable:7213 slab_unreclaimable:83335 [ 63.664670] mapped:3 shmem:68 pagetables:345 bounce:0 [ 63.664670] free:24255 free_pcp:0 free_cma:0 [ 63.696690] Node 0 active_anon:31448kB inactive_anon:248kB active_file:48kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 63.723838] 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 [ 63.749954] lowmem_reserve[]: 0 2881 6392 6392 [ 63.754543] Node 0 DMA32 free:44368kB min:30384kB low:37980kB high:45576kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2952588kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 63.781695] lowmem_reserve[]: 0 0 3511 3511 [ 63.786026] Node 0 Normal free:36868kB min:37032kB low:46288kB high:55544kB active_anon:31448kB inactive_anon:248kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:3104kB pagetables:1380kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 63.815252] lowmem_reserve[]: 0 0 0 0 [ 63.819084] 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 [ 63.832774] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 2*16kB (UM) 2*32kB (UM) 5*64kB (UM) 3*128kB (M) 4*256kB (UM) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 8*4096kB (M) = 44368kB [ 63.848360] Node 0 Normal: 643*4kB (MH) 475*8kB (UMEH) 306*16kB (ME) 128*32kB (UME) 80*64kB (MEH) 38*128kB (UMH) 21*256kB (MH) 10*512kB (UMH) 1*1024kB (H) 0*2048kB 0*4096kB = 36868kB [ 63.864801] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 63.873390] 95 total pagecache pages [ 63.877101] 0 pages in swap cache [ 63.880558] Swap cache stats: add 0, delete 0, find 0/0 [ 63.885928] Free swap = 0kB [ 63.888937] Total swap = 0kB [ 63.891949] 1965979 pages RAM [ 63.895041] 0 pages HighMem/MovableOnly [ 63.899030] 324875 pages reserved [ 63.902509] Unreclaimable slab info: [ 63.906261] Name Used Total [ 63.911808] hashtab_node 118KB 119KB [ 63.917170] ebitmap_node 389KB 389KB [ 63.922529] avtab_node 1012KB 1013KB [ 63.927903] TIPC 1KB 7KB [ 63.933263] SCTPv6 2KB 4KB [ 63.938625] DCCPv6 2KB 7KB [ 63.943990] DCCP 2KB 6KB [ 63.949376] fib6_nodes 0KB 4KB [ 63.955269] ip6_dst_cache 5KB 7KB [ 63.960673] RAWv6 9KB 19KB [ 63.966029] UDPv6 14KB 14KB [ 63.971393] TCPv6 2KB 5KB [ 63.976762] sd_ext_cdb 0KB 3KB [ 63.982118] scsi_sense_cache 78KB 100KB [ 63.987481] virtio_scsi_cmd 16KB 16KB [ 63.992851] sgpool-128 8KB 8KB [ 63.998213] sgpool-64 4KB 6KB [ 64.003567] sgpool-32 63KB 63KB [ 64.008930] sgpool-16 20KB 22KB [ 64.014305] sgpool-8 160KB 168KB [ 64.019672] cfq_io_cq 15KB 19KB [ 64.025027] cfq_queue 24KB 27KB [ 64.030390] mqueue_inode_cache 1KB 7KB [ 64.035842] nfs_commit_data 3KB 7KB [ 64.041208] nfs_write_data 34KB 37KB [ 64.046581] jbd2_inode 1KB 3KB [ 64.051945] ext4_system_zone 0KB 3KB [ 64.057319] bio-1 1KB 3KB [ 64.062681] rpc_buffers 17KB 19KB [ 64.068043] rpc_tasks 2KB 3KB [ 64.073402] UNIX 784KB 784KB [ 64.078773] tcp_bind_bucket 0KB 4KB [ 64.084133] ip_fib_trie 0KB 3KB [ 64.089490] ip_fib_alias 0KB 3KB [ 64.094848] ip_dst_cache 6KB 8KB [ 64.100214] RAW 5KB 7KB [ 64.105574] UDP 31KB 31KB [ 64.110940] request_sock_TCP 0KB 3KB [ 64.116301] TCP 39KB 39KB [ 64.121661] hugetlbfs_inode_cache 1KB 7KB [ 64.127365] eventpoll_pwq 10KB 11KB [ 64.132721] eventpoll_epi 18KB 23KB [ 64.138076] inotify_inode_mark 3KB 11KB [ 64.143531] request_queue 31KB 39KB [ 64.148886] blkdev_ioc 21KB 23KB [ 64.154245] bio-0 270KB 270KB [ 64.159596] biovec-(1<<(21-12)) 429KB 429KB [ 64.165138] biovec-64 94KB 102KB [ 64.170491] biovec-16 10KB 15KB [ 64.175849] bio_integrity_payload 0KB 4KB [ 64.181548] khugepaged_mm_slot 3KB 3KB [ 64.187024] uid_cache 3KB 3KB [ 64.192396] dmaengine-unmap-2 0KB 3KB [ 64.197755] audit_buffer 0KB 3KB [ 64.203252] skbuff_fclone_cache 131KB 131KB [ 64.208829] skbuff_head_cache 1698KB 1698KB [ 64.214955] configfs_dir_cache 0KB 4KB [ 64.221230] file_lock_cache 162KB 162KB [ 64.226611] file_lock_ctx 1KB 3KB [ 64.231972] fsnotify_mark_connector 2KB 7KB [ 64.237859] shmem_inode_cache 1038KB 1038KB [ 64.243227] task_delay_info 302KB 359KB [ 64.248601] sigqueue 336KB 338KB [ 64.253961] kernfs_node_cache 2157KB 2161KB [ 64.259331] mnt_cache 15KB 20KB [ 64.264703] filp 8761KB 8775KB [ 64.270059] names_cache 113781KB 113819KB [ 64.275447] avc_node 38KB 39KB [ 64.280821] selinux_file_security 438KB 453KB [ 64.286528] selinux_inode_security 1928KB 1928KB [ 64.292340] key_jar 3KB 7KB [ 64.297713] nsproxy 0KB 3KB [ 64.303068] vm_area_struct 17719KB 17719KB [ 64.308436] mm_struct 4234KB 4234KB [ 64.313797] fs_cache 402KB 432KB [ 64.319164] files_cache 1485KB 1485KB [ 64.324534] signal_cache 2379KB 2379KB [ 64.329906] sighand_cache 242KB 312KB [ 64.336261] task_struct 10118KB 10118KB [ 64.341644] cred_jar 2252KB 2252KB [ 64.347028] anon_vma_chain 7331KB 7331KB [ 64.352397] anon_vma 172KB 258KB [ 64.357767] pid 210KB 264KB [ 64.363133] Acpi-Operand 106KB 170KB [ 64.368508] Acpi-Namespace 19KB 23KB [ 64.373866] numa_policy 0KB 3KB [ 64.379229] debug_objects_cache 488KB 489KB [ 64.384769] trace_event_file 144KB 147KB [ 64.390135] ftrace_event_field 254KB 255KB [ 64.395586] pool_workqueue 22KB 24KB [ 64.400959] page->ptl 2941KB 2941KB [ 64.406336] kmalloc-262144 1032KB 1032KB [ 64.411705] kmalloc-131072 650KB 650KB [ 64.417077] kmalloc-65536 264KB 264KB [ 64.422447] kmalloc-32768 627KB 627KB [ 64.427803] kmalloc-16384 148KB 148KB [ 64.433167] kmalloc-8192 503KB 503KB [ 64.438532] kmalloc-4096 9248KB 9286KB [ 64.443898] kmalloc-2048 3117KB 3117KB [ 64.449268] kmalloc-1024 3449KB 3449KB [ 64.454637] kmalloc-512 2639KB 2891KB [ 64.460008] kmalloc-256 2131KB 2497KB [ 64.465396] kmalloc-128 404KB 535KB [ 64.470764] kmalloc-96 291KB 400KB [ 64.476131] kmalloc-64 709KB 832KB [ 64.481487] kmalloc-32 1876KB 2173KB [ 64.486935] kmalloc-192 193KB 248KB [ 64.492308] kmem_cache 99KB 101KB [ 64.497679] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 64.506320] [ 1774] 0 1774 5385 171 94208 0 -1000 udevd [ 64.514507] [ 3178] 0 3178 2493 574 61440 0 0 dhclient [ 64.522926] [ 3312] 0 3312 14250 110 114688 0 0 rsyslogd [ 64.531341] [ 3365] 0 3365 4725 50 81920 0 0 cron [ 64.539437] [ 3385] 0 3385 3736 45 69632 0 0 mcstransd [ 64.547939] [ 3394] 0 3394 12927 1231 135168 0 0 restorecond [ 64.556621] [ 3413] 0 3413 12490 152 139264 0 -1000 sshd [ 64.564692] [ 3437] 0 3437 3694 41 77824 0 0 getty [ 64.572848] [ 3438] 0 3438 3694 41 73728 0 0 getty [ 64.581007] [ 3439] 0 3439 3694 40 73728 0 0 getty [ 64.589199] [ 3440] 0 3440 3694 39 77824 0 0 getty [ 64.597358] [ 3441] 0 3441 3694 39 73728 0 0 getty [ 64.605545] [ 3442] 0 3442 3694 41 77824 0 0 getty [ 64.613690] [ 3443] 0 3443 3649 40 73728 0 0 getty [ 64.621841] [ 3447] 0 3447 5681 455 86016 0 -1000 udevd [ 64.629997] [ 3448] 0 3448 5681 455 86016 0 -1000 udevd [ 64.638159] [ 3468] 0 3468 17821 196 188416 0 0 sshd [ 64.646228] [ 3470] 0 3470 281 1 32768 0 0 syzkaller744349 [ 64.655251] [ 3471] 0 3471 4376 522 36864 0 0 syzkaller744349 [ 64.664276] [ 3472] 0 3472 4376 522 36864 0 0 syzkaller744349 [ 64.673325] [ 3473] 0 3473 4376 522 36864 0 0 syzkaller744349 [ 64.682360] [ 3474] 0 3474 4376 522 36864 0 0 syzkaller744349 [ 64.691386] [ 3475] 0 3475 4376 522 36864 0 0 syzkaller744349 [ 64.700399] [ 3476] 0 3476 4376 522 36864 0 0 syzkaller744349 [ 64.709433] [ 3477] 0 3477 4376 522 36864 0 0 syzkaller744349 [ 64.718462] [ 3478] 0 3478 4376 522 36864 0 0 syzkaller744349 [ 64.727485] Out of memory: Kill process 3394 (restorecond) score 0 or sacrifice child [ 64.735832] Killed process 3394 (restorecond) total-vm:51708kB, anon-rss:4924kB, file-rss:0kB, shmem-rss:0kB [ 64.753978] oom_reaper: reaped process 3394 (restorecond), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 64.766135] rsyslogd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 64.777650] rsyslogd cpuset=/ mems_allowed=0 [ 64.782145] CPU: 1 PID: 3315 Comm: rsyslogd Not tainted 4.15.0-rc6-mm1+ #50 [ 64.789213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.798539] Call Trace: [ 64.801106] dump_stack+0x137/0x198 [ 64.804721] dump_header+0x163/0x790 [ 64.808405] ? ___ratelimit+0x53/0x550 [ 64.812265] oom_kill_process+0x550/0x650 [ 64.816382] ? lock_downgrade+0x860/0x860 [ 64.820499] ? oom_evaluate_task+0x284/0x480 [ 64.824879] out_of_memory+0x95e/0x15c0 [ 64.828826] ? oom_killer_disable+0x210/0x210 [ 64.833292] ? mutex_trylock+0x172/0x1c0 [ 64.837321] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 64.842309] __alloc_pages_slowpath+0x1eef/0x25c0 [ 64.847136] ? warn_alloc+0x260/0x260 [ 64.850909] ? __lock_is_held+0xb6/0x140 [ 64.854949] ? __might_sleep+0x95/0x190 [ 64.858892] __alloc_pages_nodemask+0x5aa/0x700 [ 64.863534] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 64.868522] ? cache_grow_begin+0x3bb/0x570 [ 64.872816] cache_grow_begin+0x72/0x570 [ 64.876844] ? ____cache_alloc_node+0x3f/0x1e0 [ 64.881395] fallback_alloc+0x13b/0x2a0 [ 64.885342] ____cache_alloc_node+0x1cc/0x1e0 [ 64.889809] kmem_cache_alloc_trace+0x27d/0x750 [ 64.894451] ? trace_hardirqs_on+0xd/0x10 [ 64.898575] do_syslog+0x5d7/0xb40 [ 64.902089] ? wake_up_q+0x8a/0xe0 [ 64.905601] ? log_buf_vmcoreinfo_setup+0x120/0x120 [ 64.910586] ? finish_wait+0x2a0/0x2a0 [ 64.914452] ? check_noncircular+0x20/0x20 [ 64.918660] kmsg_read+0x74/0xa0 [ 64.922002] ? kmsg_poll+0xa0/0xa0 [ 64.925519] proc_reg_read+0xe8/0x160 [ 64.929290] ? proc_reg_write+0x160/0x160 [ 64.933406] __vfs_read+0xef/0x730 [ 64.936920] ? fsnotify+0x5fd/0xd20 [ 64.940516] ? vfs_copy_file_range+0x940/0x940 [ 64.945066] ? fsnotify+0xd20/0xd20 [ 64.948660] ? fsnotify_first_mark+0x180/0x180 [ 64.953214] ? avc_policy_seqno+0x9/0x20 [ 64.957243] ? selinux_file_permission+0x82/0x460 [ 64.962055] ? security_file_permission+0x89/0x1e0 [ 64.966958] ? rw_verify_area+0xe5/0x2b0 [ 64.970999] vfs_read+0x11e/0x350 [ 64.974445] SyS_read+0xd4/0x1a0 [ 64.977782] ? kernel_write+0x120/0x120 [ 64.981727] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 64.986720] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 64.991449] entry_SYSCALL_64_fastpath+0x23/0x9a [ 64.996177] RIP: 0033:0x7f7ecff891fd [ 64.999855] RSP: 002b:00007f7ecd528e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 65.007530] RAX: ffffffffffffffda RBX: 00007f7ecfb6ae98 RCX: 00007f7ecff891fd [ 65.014774] RDX: 0000000000000fff RSI: 00007f7eced5d5a0 RDI: 0000000000000004 [ 65.022020] RBP: 00007f7ecfb6ae40 R08: 000000000068a260 R09: 0000000004000001 [ 65.029267] R10: 0000000000000001 R11: 0000000000000293 R12: 00000000006d5f30 [ 65.036503] R13: 0000000000016ec1 R14: 0000000000000000 R15: 0000000000000004 [ 65.043853] Mem-Info: [ 65.046293] active_anon:6637 inactive_anon:62 isolated_anon:0 [ 65.046293] active_file:13 inactive_file:14 isolated_file:25 [ 65.046293] unevictable:0 dirty:0 writeback:0 unstable:0 [ 65.046293] slab_reclaimable:7213 slab_unreclaimable:82894 [ 65.046293] mapped:2 shmem:68 pagetables:308 bounce:0 [ 65.046293] free:24300 free_pcp:192 free_cma:0 [ 65.078507] Node 0 active_anon:26548kB inactive_anon:248kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):100kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 65.105574] 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 [ 65.131681] lowmem_reserve[]: 0 2881 6392 6392 [ 65.136259] Node 0 DMA32 free:44368kB min:30384kB low:37980kB high:45576kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2952588kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 65.163404] lowmem_reserve[]: 0 0 3511 3511 [ 65.167738] Node 0 Normal free:36924kB min:37032kB low:46288kB high:55544kB active_anon:26548kB inactive_anon:248kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:3072kB pagetables:1232kB bounce:0kB free_pcp:768kB local_pcp:120kB free_cma:0kB [ 65.196545] lowmem_reserve[]: 0 0 0 0 [ 65.200351] 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 [ 65.213940] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 2*16kB (UM) 2*32kB (UM) 5*64kB (UM) 3*128kB (M) 4*256kB (UM) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 8*4096kB (M) = 44368kB [ 65.229540] Node 0 Normal: 633*4kB (UMH) 463*8kB (UMEH) 294*16kB (UME) 160*32kB (ME) 104*64kB (MEH) 35*128kB (MH) 20*256kB (UMH) 7*512kB (UMH) 1*1024kB (H) 0*2048kB 0*4096kB = 36924kB [ 65.246063] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 65.254625] 95 total pagecache pages [ 65.258322] 0 pages in swap cache [ 65.261756] Swap cache stats: add 0, delete 0, find 0/0 [ 65.267098] Free swap = 0kB [ 65.270097] Total swap = 0kB [ 65.273097] 1965979 pages RAM [ 65.276190] 0 pages HighMem/MovableOnly [ 65.280145] 324875 pages reserved [ 65.283601] Unreclaimable slab info: [ 65.287355] Name Used Total [ 65.292893] hashtab_node 118KB 119KB [ 65.298245] ebitmap_node 389KB 389KB [ 65.303590] avtab_node 1012KB 1013KB [ 65.308942] TIPC 1KB 7KB [ 65.314300] SCTPv6 2KB 4KB [ 65.319647] DCCPv6 2KB 7KB [ 65.325026] DCCP 2KB 6KB [ 65.330403] fib6_nodes 0KB 4KB [ 65.335756] ip6_dst_cache 5KB 7KB [ 65.341109] RAWv6 9KB 19KB [ 65.346455] UDPv6 14KB 14KB [ 65.351809] TCPv6 2KB 5KB [ 65.357164] sd_ext_cdb 0KB 3KB [ 65.362508] scsi_sense_cache 78KB 100KB [ 65.367855] virtio_scsi_cmd 16KB 16KB [ 65.373204] sgpool-128 8KB 8KB [ 65.378566] sgpool-64 4KB 6KB [ 65.383947] sgpool-32 63KB 63KB [ 65.389312] sgpool-16 22KB 22KB [ 65.394669] sgpool-8 160KB 168KB [ 65.400043] cfq_io_cq 15KB 19KB [ 65.405399] cfq_queue 24KB 27KB [ 65.410747] mqueue_inode_cache 1KB 7KB [ 65.416190] nfs_commit_data 3KB 7KB [ 65.421551] nfs_write_data 34KB 37KB [ 65.426910] jbd2_inode 1KB 3KB [ 65.432267] ext4_system_zone 0KB 3KB [ 65.437619] bio-1 1KB 3KB [ 65.442969] rpc_buffers 17KB 19KB [ 65.448317] rpc_tasks 2KB 3KB [ 65.453666] UNIX 784KB 784KB [ 65.459023] tcp_bind_bucket 0KB 4KB [ 65.464381] ip_fib_trie 0KB 3KB [ 65.469733] ip_fib_alias 0KB 3KB [ 65.475081] ip_dst_cache 6KB 8KB [ 65.480426] RAW 5KB 7KB [ 65.485771] UDP 31KB 31KB [ 65.491130] request_sock_TCP 0KB 3KB [ 65.496480] TCP 39KB 39KB [ 65.501855] hugetlbfs_inode_cache 1KB 7KB [ 65.507555] eventpoll_pwq 10KB 11KB [ 65.512907] eventpoll_epi 18KB 23KB [ 65.518253] inotify_inode_mark 3KB 11KB [ 65.523687] request_queue 31KB 39KB [ 65.529047] blkdev_ioc 21KB 23KB [ 65.534399] bio-0 270KB 270KB [ 65.539746] biovec-(1<<(21-12)) 429KB 429KB [ 65.545280] biovec-64 94KB 102KB [ 65.550634] biovec-16 15KB 15KB [ 65.555993] bio_integrity_payload 0KB 4KB [ 65.561696] khugepaged_mm_slot 3KB 3KB [ 65.567144] uid_cache 3KB 3KB [ 65.572494] dmaengine-unmap-2 0KB 3KB [ 65.577846] audit_buffer 0KB 3KB [ 65.583199] skbuff_fclone_cache 131KB 131KB [ 65.588723] skbuff_head_cache 1698KB 1698KB [ 65.594070] configfs_dir_cache 0KB 4KB [ 65.599516] file_lock_cache 162KB 162KB [ 65.604870] file_lock_ctx 1KB 3KB [ 65.610219] fsnotify_mark_connector 2KB 7KB [ 65.616097] shmem_inode_cache 1038KB 1038KB [ 65.621443] task_delay_info 302KB 359KB [ 65.626788] sigqueue 336KB 338KB [ 65.632138] kernfs_node_cache 2157KB 2161KB [ 65.637487] mnt_cache 15KB 20KB [ 65.642834] filp 8693KB 8730KB [ 65.648354] names_cache 113152KB 113190KB [ 65.653708] avc_node 38KB 39KB [ 65.659055] selinux_file_security 438KB 453KB [ 65.664746] selinux_inode_security 1928KB 1928KB [ 65.670523] key_jar 3KB 7KB [ 65.675870] nsproxy 0KB 3KB [ 65.681217] vm_area_struct 17719KB 17719KB [ 65.686562] mm_struct 4234KB 4234KB [ 65.691914] fs_cache 402KB 432KB [ 65.697264] files_cache 1485KB 1485KB [ 65.702611] signal_cache 2379KB 2379KB [ 65.707983] sighand_cache 242KB 312KB [ 65.713340] task_struct 10118KB 10118KB [ 65.718688] cred_jar 2252KB 2252KB [ 65.724033] anon_vma_chain 7331KB 7331KB [ 65.729388] anon_vma 172KB 258KB [ 65.734737] pid 210KB 264KB [ 65.740085] Acpi-Operand 106KB 170KB [ 65.745435] Acpi-Namespace 19KB 23KB [ 65.750792] numa_policy 0KB 3KB [ 65.756138] debug_objects_cache 488KB 489KB [ 65.761752] trace_event_file 144KB 147KB [ 65.767140] ftrace_event_field 254KB 255KB [ 65.772603] pool_workqueue 22KB 24KB [ 65.777951] page->ptl 2941KB 2941KB [ 65.783307] kmalloc-262144 1032KB 1032KB [ 65.788649] kmalloc-131072 650KB 650KB [ 65.793990] kmalloc-65536 264KB 264KB [ 65.799335] kmalloc-32768 627KB 627KB [ 65.804677] kmalloc-16384 148KB 148KB [ 65.810086] kmalloc-8192 503KB 503KB [ 65.815467] kmalloc-4096 8942KB 8980KB [ 65.820837] kmalloc-2048 3117KB 3117KB [ 65.826206] kmalloc-1024 3449KB 3449KB [ 65.831572] kmalloc-512 2639KB 2891KB [ 65.836939] kmalloc-256 2105KB 2478KB [ 65.842318] kmalloc-128 404KB 535KB [ 65.847688] kmalloc-96 291KB 400KB [ 65.853060] kmalloc-64 709KB 832KB [ 65.858432] kmalloc-32 1876KB 2173KB [ 65.863838] kmalloc-192 193KB 248KB [ 65.869209] kmem_cache 99KB 101KB [ 65.874581] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 65.883222] [ 1774] 0 1774 5385 171 94208 0 -1000 udevd [ 65.891426] [ 3178] 0 3178 2493 574 61440 0 0 dhclient [ 65.899849] [ 3312] 0 3312 14250 110 114688 0 0 rsyslogd [ 65.908274] [ 3365] 0 3365 4725 50 81920 0 0 cron [ 65.916349] [ 3385] 0 3385 3736 45 69632 0 0 mcstransd [ 65.924864] [ 3413] 0 3413 12490 152 139264 0 -1000 sshd [ 65.932938] [ 3437] 0 3437 3694 41 77824 0 0 getty [ 65.941103] [ 3438] 0 3438 3694 41 73728 0 0 getty [ 65.949262] [ 3439] 0 3439 3694 40 73728 0 0 getty [ 65.957411] [ 3440] 0 3440 3694 39 77824 0 0 getty [ 65.965570] [ 3441] 0 3441 3694 39 73728 0 0 getty [ 65.973757] [ 3442] 0 3442 3694 41 77824 0 0 getty [ 65.981914] [ 3443] 0 3443 3649 40 73728 0 0 getty [ 65.990081] [ 3447] 0 3447 5681 455 86016 0 -1000 udevd [ 65.998242] [ 3448] 0 3448 5681 455 86016 0 -1000 udevd [ 66.006402] [ 3468] 0 3468 17821 196 188416 0 0 sshd [ 66.014470] [ 3470] 0 3470 281 1 32768 0 0 syzkaller744349 [ 66.023486] [ 3471] 0 3471 4376 522 36864 0 0 syzkaller744349 [ 66.032522] [ 3472] 0 3472 4376 522 36864 0 0 syzkaller744349 [ 66.041581] [ 3473] 0 3473 4376 522 36864 0 0 syzkaller744349 [ 66.050608] [ 3474] 0 3474 4376 522 36864 0 0 syzkaller744349 [ 66.059620] [ 3475] 0 3475 4376 522 36864 0 0 syzkaller744349 [ 66.068642] [ 3476] 0 3476 4376 522 36864 0 0 syzkaller744349 [ 66.077673] [ 3477] 0 3477 4376 522 36864 0 0 syzkaller744349 [ 66.086699] [ 3478] 0 3478 4376 522 36864 0 0 syzkaller744349 [ 66.095717] Out of memory: Kill process 3178 (dhclient) score 0 or sacrifice child [ 66.103724] Killed process 3178 (dhclient) total-vm:9972kB, anon-rss:2296kB, file-rss:0kB, shmem-rss:0kB [ 66.117550] syzkaller744349 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 66.131759] syzkaller744349 cpuset=/ mems_allowed=0 [ 66.136816] CPU: 0 PID: 3476 Comm: syzkaller744349 Not tainted 4.15.0-rc6-mm1+ #50 [ 66.144502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.153826] Call Trace: [ 66.156388] dump_stack+0x137/0x198 [ 66.159994] dump_header+0x163/0x790 [ 66.163683] ? ___ratelimit+0x53/0x550 [ 66.167557] oom_kill_process+0x550/0x650 [ 66.171674] ? lock_downgrade+0x860/0x860 [ 66.175794] ? oom_evaluate_task+0x284/0x480 [ 66.180191] out_of_memory+0x95e/0x15c0 [ 66.184141] ? oom_killer_disable+0x210/0x210 [ 66.188606] ? mutex_trylock+0x172/0x1c0 [ 66.192637] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 66.197626] __alloc_pages_slowpath+0x1eef/0x25c0 [ 66.202459] ? warn_alloc+0x260/0x260 [ 66.206231] ? __lock_is_held+0xb6/0x140 [ 66.210274] ? __might_sleep+0x95/0x190 [ 66.214223] __alloc_pages_nodemask+0x5aa/0x700 [ 66.218865] ? __schedule+0x858/0x1e10 [ 66.222725] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 66.227714] ? __lock_is_held+0xb6/0x140 [ 66.231755] alloc_pages_current+0xb6/0x1e0 [ 66.236051] __vmalloc_node_range+0x409/0x650 [ 66.240526] ? xt_alloc_table_info+0x64/0xe0 [ 66.244910] __vmalloc_node_flags_caller+0x50/0x60 [ 66.249807] ? xt_alloc_table_info+0x64/0xe0 [ 66.254193] kvmalloc_node+0x82/0xd0 [ 66.257880] xt_alloc_table_info+0x64/0xe0 [ 66.262103] do_ipt_set_ctl+0x221/0x430 [ 66.266049] ? translate_compat_table+0x17e0/0x17e0 [ 66.271043] ? mutex_unlock+0xd/0x10 [ 66.274725] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 66.279973] nf_setsockopt+0x67/0xc0 [ 66.283660] ip_setsockopt+0xa1/0xb0 [ 66.287347] tcp_setsockopt+0x82/0xd0 [ 66.291124] sock_common_setsockopt+0x95/0xd0 [ 66.295592] SyS_setsockopt+0x158/0x240 [ 66.299539] ? SyS_recv+0x40/0x40 [ 66.302961] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 66.307778] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 66.312766] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 66.317500] entry_SYSCALL_64_fastpath+0x23/0x9a [ 66.322226] RIP: 0033:0x440619 [ 66.325384] RSP: 002b:00007fff6f3fa398 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 66.333067] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440619 [ 66.340309] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 66.347547] RBP: 00000000006cb018 R08: 0000000000000004 R09: 0000000000000000 [ 66.354784] R10: 0000000020000ffc R11: 0000000000000286 R12: 0000000000401a90 [ 66.362023] R13: 0000000000401b20 R14: 0000000000000000 R15: 0000000000000000 [ 66.369444] Mem-Info: [ 66.374683] active_anon:6081 inactive_anon:62 isolated_anon:0 [ 66.374683] active_file:0 inactive_file:32 isolated_file:0 [ 66.374683] unevictable:0 dirty:0 writeback:0 unstable:0 [ 66.374683] slab_reclaimable:7213 slab_unreclaimable:82878 [ 66.374683] mapped:2 shmem:68 pagetables:318 bounce:0 [ 66.374683] free:24316 free_pcp:224 free_cma:0 [ 66.408169] Node 0 active_anon:24324kB inactive_anon:248kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 66.436502] 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 [ 66.463217] lowmem_reserve[]: 0 2881 6392 6392 [ 66.467834] Node 0 DMA32 free:44368kB min:30384kB low:37980kB high:45576kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2952588kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 66.495261] lowmem_reserve[]: 0 0 3511 3511 [ 66.499597] Node 0 Normal free:36988kB min:37032kB low:46288kB high:55544kB active_anon:24324kB inactive_anon:248kB active_file:64kB inactive_file:20kB unevictable:0kB writepending:0kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:3040kB pagetables:1272kB bounce:0kB free_pcp:900kB local_pcp:852kB free_cma:0kB [ 66.528803] lowmem_reserve[]: 0 0 0 0 [ 66.532667] 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 [ 66.546318] Node 0 DMA32: 4*4kB (UM) 4*8kB (UM) 2*16kB (UM) 2*32kB (UM) 5*64kB (UM) 3*128kB (M) 4*256kB (UM) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 8*4096kB (M) = 44368kB [ 66.561967] Node 0 Normal: 587*4kB (MH) 426*8kB (UMEH) 300*16kB (UME) 165*32kB (UME) 109*64kB (MEH) 43*128kB (UMH) 18*256kB (MH) 6*512kB (UMH) 1*1024kB (H) 0*2048kB 0*4096kB = 37020kB [ 66.578610] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 66.588724] 95 total pagecache pages [ 66.594518] 0 pages in swap cache [ 66.599362] Swap cache stats: add 0, delete 0, find 0/0 [ 66.605530] Free swap = 0kB [ 66.609236] Total swap = 0kB [ 66.612259] 1965979 pages RAM [ 66.615367] 0 pages HighMem/MovableOnly [ 66.619363] 324875 pages reserved [ 66.622821] Unreclaimable slab info: [ 66.626536] Name Used Total [ 66.632081] hashtab_node 118KB 119KB [ 66.637446] ebitmap_node 389KB 389KB [ 66.643976] avtab_node 1012KB 1013KB [ 66.649407] TIPC 1KB 7KB [ 66.654786] SCTPv6 2KB 4KB [ 66.660526] DCCPv6 2KB 7KB [ 66.665892] DCCP 2KB 6KB [ 66.671289] fib6_nodes 0KB 4KB [ 66.676654] ip6_dst_cache 5KB 7KB [ 66.682030] RAWv6 9KB 19KB [ 66.687404] UDPv6 14KB 14KB [ 66.692762] TCPv6 2KB 5KB [ 66.698136] sd_ext_cdb 0KB 3KB [ 66.703506] scsi_sense_cache 78KB 100KB [ 66.708863] virtio_scsi_cmd 16KB 16KB [ 66.714231] sgpool-128 8KB 8KB [ 66.719637] sgpool-64 4KB 6KB [ 66.724999] sgpool-32 63KB 63KB [ 66.730389] sgpool-16 22KB 22KB [ 66.735747] sgpool-8 160KB 168KB [ 66.741111] cfq_io_cq 15KB 19KB [ 66.746480] cfq_queue 24KB 27KB [ 66.751836] mqueue_inode_cache 1KB 7KB [ 66.757291] nfs_commit_data 3KB 7KB [ 66.762660] nfs_write_data 34KB 37KB [ 66.768038] jbd2_inode 1KB 3KB [ 66.773413] ext4_system_zone 0KB 3KB [ 66.778788] bio-1 1KB 3KB [ 66.784226] rpc_buffers 17KB 19KB [ 66.789597] rpc_tasks 2KB 3KB [ 66.795664] UNIX 784KB 784KB [ 66.801038] tcp_bind_bucket 0KB 4KB [ 66.806397] ip_fib_trie 0KB 3KB [ 66.811760] ip_fib_alias 0KB 3KB [ 66.817127] ip_dst_cache 6KB 8KB [ 66.822494] RAW 5KB 7KB [ 66.827858] UDP 31KB 31KB [ 66.833229] request_sock_TCP 0KB 3KB [ 66.838611] TCP 39KB 39KB [ 66.843983] hugetlbfs_inode_cache 1KB 7KB [ 66.849700] eventpoll_pwq 10KB 11KB [ 66.855055] eventpoll_epi 18KB 23KB [ 66.860420] inotify_inode_mark 3KB 11KB [ 66.865872] request_queue 31KB 39KB [ 66.871239] blkdev_ioc 21KB 23KB [ 66.876605] bio-0 270KB 270KB [ 66.881971] biovec-(1<<(21-12)) 429KB 429KB [ 66.887516] biovec-64 94KB 102KB [ 66.892882] biovec-16 15KB 15KB [ 66.898250] bio_integrity_payload 0KB 4KB [ 66.903965] khugepaged_mm_slot 3KB 3KB [ 66.909421] uid_cache 3KB 3KB [ 66.914788] dmaengine-unmap-2 0KB 3KB [ 66.920157] audit_buffer 0KB 3KB [ 66.925526] skbuff_fclone_cache 131KB 131KB [ 66.931751] skbuff_head_cache 1698KB 1698KB [ 66.937121] configfs_dir_cache 0KB 4KB [ 66.942579] file_lock_cache 162KB 162KB [ 66.947943] file_lock_ctx 1KB 3KB [ 66.953304] fsnotify_mark_connector 2KB 7KB [ 66.959194] shmem_inode_cache 1038KB 1038KB [ 66.964567] task_delay_info 302KB 359KB [ 66.969943] sigqueue 336KB 338KB [ 66.975301] kernfs_node_cache 2157KB 2161KB [ 66.980667] mnt_cache 15KB 20KB [ 66.986034] filp 8693KB 8730KB [ 66.991415] names_cache 113152KB 113190KB [ 66.996785] avc_node 38KB 39KB [ 67.002154] selinux_file_security 438KB 453KB [ 67.007859] selinux_inode_security 1928KB 1928KB [ 67.013658] key_jar 3KB 7KB [ 67.019031] nsproxy 0KB 3KB [ 67.024404] vm_area_struct 17719KB 17719KB [ 67.029761] mm_struct 4234KB 4234KB [ 67.035124] fs_cache 402KB 432KB [ 67.040495] files_cache 1485KB 1485KB [ 67.045862] signal_cache 2379KB 2379KB [ 67.051239] sighand_cache 242KB 312KB [ 67.056605] task_struct 10118KB 10118KB [ 67.061971] cred_jar 2252KB 2252KB [ 67.068041] anon_vma_chain 7331KB 7331KB [ 67.073398] anon_vma 172KB 258KB [ 67.078774] pid 210KB 264KB [ 67.084141] Acpi-Operand 106KB 170KB [ 67.089507] Acpi-Namespace 19KB 23KB [ 67.094873] numa_policy 0KB 3KB [ 67.101457] debug_objects_cache 488KB 489KB [ 67.107736] trace_event_file 144KB 147KB [ 67.113801] ftrace_event_field 254KB 255KB [ 67.119957] pool_workqueue 22KB 24KB [ 67.125331] page->ptl 2941KB 2941KB [ 67.130740] kmalloc-262144 1032KB 1032KB [ 67.136111] kmalloc-131072 650KB 650KB [ 67.141481] kmalloc-65536 264KB 264KB [ 67.146848] kmalloc-32768 627KB 627KB [ 67.152217] kmalloc-16384 148KB 148KB [ 67.157582] kmalloc-8192 503KB 503KB [ 67.162953] kmalloc-4096 8942KB 8980KB [ 67.168352] kmalloc-2048 3117KB 3117KB [ 67.174889] kmalloc-1024 3449KB 3449KB [ 67.181613] kmalloc-512 2639KB 2891KB [ 67.188392] kmalloc-256 2105KB 2478KB [ 67.194539] kmalloc-128 404KB 535KB [ 67.201326] kmalloc-96 291KB 400KB [ 67.206704] kmalloc-64 709KB 832KB [ 67.212075] kmalloc-32 1876KB 2173KB [ 67.217444] kmalloc-192 193KB 248KB [ 67.222828] kmem_cache 99KB 101KB [ 67.228190] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 67.236818] [ 1774] 0 1774 5385 171 94208 0 -1000 udevd [ 67.244979] [ 3312] 0 3312 14250 110 114688 0 0 rsyslogd [ 67.253406] [ 3365] 0 3365 4725 50 81920 0 0 cron [ 67.261480] [ 3385] 0 3385 3736 45 69632 0 0 mcstransd [ 67.269984] [ 3413] 0 3413 12490 152 139264 0 -1000 sshd [ 67.278051] [ 3437] 0 3437 3694 41 77824 0 0 getty [ 67.286193] [ 3438] 0 3438 3694 41 73728 0 0 getty [ 67.294333] [ 3439] 0 3439 3694 40 73728 0 0 getty [ 67.302510] [ 3440] 0 3440 3694 39 77824 0 0 getty [ 67.310669] [ 3441] 0 3441 3694 39 73728 0 0 getty [ 67.318822] [ 3442] 0 3442 3694 41 77824 0 0 getty [ 67.326973] [ 3443] 0 3443 3649 40 73728 0 0 getty [ 67.335155] [ 3447] 0 3447 5681 455 86016 0 -1000 udevd [ 67.343297] [ 3448] 0 3448 5681 455 86016 0 -1000 udevd [ 67.351452] [ 3468] 0 3468 17821 196 188416 0 0 sshd [ 67.359519] [ 3470] 0 3470 281 1 32768 0 0 syzkaller744349 [ 67.368553] [ 3471] 0 3471 4376 522 36864 0 0 syzkaller744349 [ 67.377576] [ 3472] 0 3472 4376 522 36864 0 0 syzkaller744349 [ 67.386588] [ 3473] 0 3473 4376 522 36864 0 0 syzkaller744349 [ 67.395610] [ 3474] 0 3474 4376 522 36864 0 0 syzkaller744349 [ 67.404639] [ 3475] 0 3475 4376 522 36864 0 0 syzkaller744349 [ 67.413665] [ 3476] 0 3476 4376 522 36864 0 0 syzkaller744349 [ 67.422689] [ 3477] 0 3477 4376 522 36864 0 0 syzkaller744349 [ 67.431715] [ 3478] 0 3478 4376 522 36864 0 0 syzkaller744349 [ 67.440752] Out of memory: Kill process 3471 (syzkaller744349) score 0 or sacrifice child [ 67.450478] Killed process 3471 (syzkaller744349) total-vm:17504kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 67.465181] oom_reaper: reaped process 3471 (syzkaller744349), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 67.486859] rsyslogd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 67.499828] rsyslogd cpuset=/ mems_allowed=0 [ 67.504357] CPU: 1 PID: 3315 Comm: rsyslogd Not tainted 4.15.0-rc6-mm1+ #50 [ 67.511442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.520776] Call Trace: [ 67.523353] dump_stack+0x137/0x198 [ 67.526970] dump_header+0x163/0x790 [ 67.530670] ? ___ratelimit+0x53/0x550 [ 67.532197] syzkaller744349: vmalloc: allocation failure, allocated 706621440 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 67.532207] syzkaller744349 cpuset=/ mems_allowed=0 [ 67.552407] oom_kill_process+0x550/0x650 [ 67.556532] ? lock_downgrade+0x860/0x860 [ 67.560661] ? oom_evaluate_task+0x284/0x480 [ 67.565050] out_of_memory+0x95e/0x15c0 [ 67.569025] ? oom_killer_disable+0x210/0x210 [ 67.573506] ? mutex_trylock+0x172/0x1c0 [ 67.577540] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 67.582539] __alloc_pages_slowpath+0x1eef/0x25c0 [ 67.587393] ? warn_alloc+0x260/0x260 [ 67.591174] ? __lock_is_held+0xb6/0x140 [ 67.595232] ? __might_sleep+0x95/0x190 [ 67.599190] __alloc_pages_nodemask+0x5aa/0x700 [ 67.603842] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 67.608843] ? cache_grow_begin+0x3bb/0x570 [ 67.613148] cache_grow_begin+0x72/0x570 [ 67.617186] ? ____cache_alloc_node+0x3f/0x1e0 [ 67.621746] fallback_alloc+0x13b/0x2a0 [ 67.625706] ____cache_alloc_node+0x1cc/0x1e0 [ 67.630184] kmem_cache_alloc_trace+0x27d/0x750 [ 67.634828] ? trace_hardirqs_on+0xd/0x10 [ 67.638966] do_syslog+0x5d7/0xb40 [ 67.642485] ? wake_up_q+0x8a/0xe0 [ 67.646005] ? log_buf_vmcoreinfo_setup+0x120/0x120 [ 67.650999] ? finish_wait+0x2a0/0x2a0 [ 67.654873] ? check_noncircular+0x20/0x20 [ 67.659093] kmsg_read+0x74/0xa0 [ 67.662458] ? kmsg_poll+0xa0/0xa0 [ 67.665975] proc_reg_read+0xe8/0x160 [ 67.669761] ? proc_reg_write+0x160/0x160 [ 67.673884] __vfs_read+0xef/0x730 [ 67.677399] ? fsnotify+0x5fd/0xd20 [ 67.681008] ? vfs_copy_file_range+0x940/0x940 [ 67.685580] ? fsnotify+0xd20/0xd20 [ 67.689185] ? fsnotify_first_mark+0x180/0x180 [ 67.693746] ? avc_policy_seqno+0x9/0x20 [ 67.697804] ? selinux_file_permission+0x82/0x460 [ 67.702627] ? security_file_permission+0x89/0x1e0 [ 67.707539] ? rw_verify_area+0xe5/0x2b0 [ 67.711580] vfs_read+0x11e/0x350 [ 67.715020] SyS_read+0xd4/0x1a0 [ 67.718369] ? kernel_write+0x120/0x120 [ 67.722325] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 67.727321] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 67.732064] entry_SYSCALL_64_fastpath+0x23/0x9a [ 67.736799] RIP: 0033:0x7f7ecff891fd [ 67.740488] RSP: 002b:00007f7ecd528e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 67.748175] RAX: ffffffffffffffda RBX: 00007f7ecfb6ae98 RCX: 00007f7ecff891fd [ 67.755419] RDX: 0000000000000fff RSI: 00007f7eced5d5a0 RDI: 0000000000000004 [ 67.762663] RBP: 00007f7ecfb6ae40 R08: 000000000068a260 R09: 0000000004000001 [ 67.769906] R10: 0000000000000001 R11: 0000000000000293 R12: 00000000006d5f30 [ 67.777150] R13: 0000000000016ec1 R14: 0000000000000000 R15: 0000000000000004 [ 67.784423] CPU: 0 PID: 3471 Comm: syzkaller744349 Not tainted 4.15.0-rc6-mm1+ #50 [ 67.784511] Mem-Info: [ 67.784539] active_anon:5541 inactive_anon:62 isolated_anon:0 [ 67.784539] active_file:29 inactive_file:12 isolated_file:0 [ 67.784539] unevictable:0 dirty:0 writeback:0 unstable:0 [ 67.784539] slab_reclaimable:7213 slab_unreclaimable:82878 [ 67.784539] mapped:2 shmem:68 pagetables:309 bounce:0 [ 67.784539] free:15877 free_pcp:249 free_cma:0 [ 67.784566] Node 0 active_anon:22164kB inactive_anon:248kB active_file:116kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 67.784569] 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 [ 67.784593] lowmem_reserve[]: 0 2881 6392 6392 [ 67.784605] Node 0 DMA32 free:29116kB min:30384kB low:37980kB high:45576kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2952588kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 67.784621] lowmem_reserve[]: 0 0 3511 3511 [ 67.784633] Node 0 Normal free:18484kB min:37032kB low:46288kB high:55544kB active_anon:22164kB inactive_anon:248kB active_file:116kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:3040kB pagetables:1236kB bounce:0kB free_pcp:876kB local_pcp:24kB free_cma:0kB [ 67.784648] lowmem_reserve[]: 0 0 0 0 [ 67.784660] 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 [ 67.784712] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 2*16kB (UM) 2*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 5*4096kB (M) = 29116kB [ 67.784770] Node 0 Normal: 327*4kB (UM) 241*8kB (UME) 171*16kB (UME) 83*32kB (UME) 54*64kB (UME) 22*128kB (UM) 8*256kB (UM) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 18484kB [ 67.784832] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 67.784835] 95 total pagecache pages [ 67.784843] 0 pages in swap cache [ 67.784847] Swap cache stats: add 0, delete 0, find 0/0 [ 67.784850] Free swap = 0kB [ 67.784852] Total swap = 0kB [ 67.784855] 1965979 pages RAM [ 67.784857] 0 pages HighMem/MovableOnly [ 67.784860] 324875 pages reserved [ 67.784863] Unreclaimable slab info: [ 67.784866] Name Used Total [ 67.784872] hashtab_node 118KB 119KB [ 67.784878] ebitmap_node 389KB 389KB [ 67.784884] avtab_node 1012KB 1013KB [ 67.784894] TIPC 1KB 7KB [ 67.784902] SCTPv6 2KB 4KB [ 67.784912] DCCPv6 2KB 7KB [ 67.784918] DCCP 2KB 6KB [ 67.784940] fib6_nodes 0KB 4KB [ 67.784944] ip6_dst_cache 5KB 7KB [ 67.784951] RAWv6 9KB 19KB [ 67.784956] UDPv6 14KB 14KB [ 67.784962] TCPv6 2KB 5KB [ 67.784977] sd_ext_cdb 0KB 3KB [ 67.784982] scsi_sense_cache 78KB 100KB [ 67.784987] virtio_scsi_cmd 16KB 16KB [ 67.784994] sgpool-128 8KB 8KB [ 67.784999] sgpool-64 4KB 6KB [ 67.785023] sgpool-32 63KB 63KB [ 67.785028] sgpool-16 22KB 22KB [ 67.785033] sgpool-8 160KB 168KB [ 67.785039] cfq_io_cq 15KB 19KB [ 67.785044] cfq_queue 24KB 27KB [ 67.785049] mqueue_inode_cache 1KB 7KB [ 67.785055] nfs_commit_data 3KB 7KB [ 67.785060] nfs_write_data 34KB 37KB [ 67.785068] jbd2_inode 1KB 3KB [ 67.785073] ext4_system_zone 0KB 3KB [ 67.785084] bio-1 1KB 3KB [ 67.785095] rpc_buffers 17KB 19KB [ 67.785100] rpc_tasks 2KB 3KB [ 67.785105] UNIX 784KB 784KB [ 67.785113] tcp_bind_bucket 0KB 4KB [ 67.785120] ip_fib_trie 0KB 3KB [ 67.785124] ip_fib_alias 0KB 3KB [ 67.785129] ip_dst_cache 6KB 8KB [ 67.785134] RAW 5KB 7KB [ 67.785139] UDP 31KB 31KB [ 67.785144] request_sock_TCP 0KB 3KB [ 67.785149] TCP 39KB 39KB [ 67.785153] hugetlbfs_inode_cache 1KB 7KB [ 67.785159] eventpoll_pwq 10KB 11KB [ 67.785164] eventpoll_epi 18KB 23KB [ 67.785169] inotify_inode_mark 3KB 11KB [ 67.785175] request_queue 31KB 39KB [ 67.785181] blkdev_ioc 21KB 23KB [ 67.785186] bio-0 270KB 270KB [ 67.785191] biovec-(1<<(21-12)) 429KB 429KB [ 67.785196] biovec-64 94KB 102KB [ 67.785201] biovec-16 15KB 15KB [ 67.785206] bio_integrity_payload 0KB 4KB [ 67.785211] khugepaged_mm_slot 3KB 3KB [ 67.785219] uid_cache 3KB 3KB [ 67.785224] dmaengine-unmap-2 0KB 3KB [ 67.785229] audit_buffer 0KB 3KB [ 67.785234] skbuff_fclone_cache 131KB 131KB [ 67.785239] skbuff_head_cache 1698KB 1698KB [ 67.785244] configfs_dir_cache 0KB 4KB [ 67.785249] file_lock_cache 162KB 162KB [ 67.785254] file_lock_ctx 1KB 3KB [ 67.785259] fsnotify_mark_connector 2KB 7KB [ 67.785267] shmem_inode_cache 1038KB 1038KB [ 67.785272] task_delay_info 302KB 359KB [ 67.785278] sigqueue 336KB 338KB [ 67.785289] kernfs_node_cache 2157KB 2161KB [ 67.785294] mnt_cache 15KB 20KB [ 67.785299] filp 8693KB 8730KB [ 67.785304] names_cache 113152KB 113190KB [ 67.785312] avc_node 38KB 39KB [ 67.785317] selinux_file_security 438KB 453KB [ 67.785321] selinux_inode_security 1928KB 1928KB [ 67.785326] key_jar 3KB 7KB [ 67.785331] nsproxy 0KB 3KB [ 67.785335] vm_area_struct 17719KB 17719KB [ 67.785340] mm_struct 4234KB 4234KB [ 67.785345] fs_cache 402KB 432KB [ 67.785349] files_cache 1485KB 1485KB [ 67.785354] signal_cache 2379KB 2379KB [ 67.785359] sighand_cache 242KB 312KB [ 67.785364] task_struct 10118KB 10118KB [ 67.785369] cred_jar 2252KB 2252KB [ 67.785374] anon_vma_chain 7331KB 7331KB [ 67.785378] anon_vma 172KB 258KB [ 67.785383] pid 210KB 264KB [ 67.785388] Acpi-Operand 106KB 170KB [ 67.785395] Acpi-Namespace 19KB 23KB [ 67.785400] numa_policy 0KB 3KB [ 67.785405] debug_objects_cache 488KB 489KB [ 67.785409] trace_event_file 144KB 147KB [ 67.785414] ftrace_event_field 254KB 255KB [ 67.785419] pool_workqueue 22KB 24KB [ 67.785425] page->ptl 2941KB 2941KB [ 67.785445] kmalloc-262144 1032KB 1032KB [ 67.785450] kmalloc-131072 650KB 650KB [ 67.785455] kmalloc-65536 264KB 264KB [ 67.785460] kmalloc-32768 627KB 627KB [ 67.785464] kmalloc-16384 148KB 148KB [ 67.785469] kmalloc-8192 503KB 503KB [ 67.785473] kmalloc-4096 8942KB 8980KB [ 67.785478] kmalloc-2048 3117KB 3117KB [ 67.785483] kmalloc-1024 3449KB 3449KB [ 67.785487] kmalloc-512 2639KB 2891KB [ 67.785492] kmalloc-256 2105KB 2478KB [ 67.785496] kmalloc-128 404KB 535KB [ 67.785501] kmalloc-96 291KB 400KB [ 67.785505] kmalloc-64 709KB 832KB [ 67.785510] kmalloc-32 1876KB 2173KB [ 67.785515] kmalloc-192 193KB 248KB [ 67.785519] kmem_cache 99KB 101KB [ 67.785523] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 67.785551] [ 1774] 0 1774 5385 171 94208 0 -1000 udevd [ 67.785564] [ 3312] 0 3312 14250 110 114688 0 0 rsyslogd [ 67.785576] [ 3365] 0 3365 4725 50 81920 0 0 cron [ 67.785587] [ 3385] 0 3385 3736 45 69632 0 0 mcstransd [ 67.785600] [ 3413] 0 3413 12490 152 139264 0 -1000 sshd [ 67.785610] [ 3437] 0 3437 3694 41 77824 0 0 getty [ 67.785622] [ 3438] 0 3438 3694 41 73728 0 0 getty [ 67.785632] [ 3439] 0 3439 3694 40 73728 0 0 getty [ 67.785642] [ 3440] 0 3440 3694 39 77824 0 0 getty [ 67.785653] [ 3441] 0 3441 3694 39 73728 0 0 getty [ 67.785664] [ 3442] 0 3442 3694 41 77824 0 0 getty [ 67.785674] [ 3443] 0 3443 3649 40 73728 0 0 getty [ 67.785685] [ 3447] 0 3447 5681 455 86016 0 -1000 udevd [ 67.785695] [ 3448] 0 3448 5681 455 86016 0 -1000 udevd [ 67.785706] [ 3468] 0 3468 17821 196 188416 0 0 sshd [ 67.785716] [ 3470] 0 3470 281 1 32768 0 0 syzkaller744349 [ 67.785726] [ 3471] 0 3471 4376 0 32768 0 0 syzkaller744349 [ 67.785736] [ 3472] 0 3472 4376 522 36864 0 0 syzkaller744349 [ 67.785747] [ 3473] 0 3473 4376 522 36864 0 0 syzkaller744349 [ 67.785757] [ 3474] 0 3474 4376 522 36864 0 0 syzkaller744349 [ 67.785767] [ 3475] 0 3475 4376 522 36864 0 0 syzkaller744349 [ 67.785778] [ 3476] 0 3476 4376 522 36864 0 0 syzkaller744349 [ 67.785789] [ 3477] 0 3477 4376 522 36864 0 0 syzkaller744349 [ 67.785803] [ 3478] 0 3478 4376 522 36864 0 0 syzkaller744349 [ 67.785808] Out of memory: Kill process 3472 (syzkaller744349) score 0 or sacrifice child [ 67.785827] Killed process 3472 (syzkaller744349) total-vm:17504kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 68.846655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.855978] Call Trace: [ 68.858539] dump_stack+0x137/0x198 [ 68.862141] warn_alloc+0x160/0x260 [ 68.865737] ? zone_watermark_ok_safe+0x260/0x260 [ 68.870568] __vmalloc_node_range+0x482/0x650 [ 68.875043] ? xt_alloc_table_info+0x64/0xe0 [ 68.879417] __vmalloc_node_flags_caller+0x50/0x60 [ 68.884314] ? xt_alloc_table_info+0x64/0xe0 [ 68.888691] kvmalloc_node+0x82/0xd0 [ 68.892373] xt_alloc_table_info+0x64/0xe0 [ 68.896576] do_ipt_set_ctl+0x221/0x430 [ 68.900524] ? translate_compat_table+0x17e0/0x17e0 [ 68.905521] ? mutex_unlock+0xd/0x10 [ 68.909207] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 68.914466] nf_setsockopt+0x67/0xc0 [ 68.918156] ip_setsockopt+0xa1/0xb0 [ 68.921838] tcp_setsockopt+0x82/0xd0 [ 68.925619] sock_common_setsockopt+0x95/0xd0 [ 68.930089] SyS_setsockopt+0x158/0x240 [ 68.934039] ? SyS_recv+0x40/0x40 [ 68.937462] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 68.942272] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 68.947257] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 68.951993] entry_SYSCALL_64_fastpath+0x23/0x9a [ 68.956716] RIP: 0033:0x440619 [ 68.959872] RSP: 002b:00007fff6f3fa398 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 68.967545] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440619 [ 68.974787] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 68.982025] RBP: 00000000006cb018 R08: 0000000000000004 R09: 0000000000000000 [ 68.989265] R10: 0000000020000ffc R11: 0000000000000286 R12: 0000000000401a90 [ 68.996502] R13: 0000000000401b20 R14: 0000000000000000 R15: 0000000000000000 [ 69.003988] Mem-Info: [ 69.007481] active_anon:5540 inactive_anon:62 isolated_anon:0 [ 69.007481] active_file:14 inactive_file:13 isolated_file:0 [ 69.007481] unevictable:0 dirty:0 writeback:0 unstable:0 [ 69.007481] slab_reclaimable:7213 slab_unreclaimable:82858 [ 69.007481] mapped:2 shmem:68 pagetables:308 bounce:0 [ 69.007481] free:15914 free_pcp:227 free_cma:0 [ 69.013165] syzkaller744349: vmalloc: allocation failure, allocated 800940032 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 69.013169] syzkaller744349 cpuset=/ mems_allowed=0 [ 69.013185] CPU: 1 PID: 3472 Comm: syzkaller744349 Not tainted 4.15.0-rc6-mm1+ #50 [ 69.013189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.013191] Call Trace: [ 69.013205] dump_stack+0x137/0x198 [ 69.013222] warn_alloc+0x160/0x260 [ 69.013234] ? zone_watermark_ok_safe+0x260/0x260 [ 69.013273] __vmalloc_node_range+0x482/0x650 [ 69.013293] ? xt_alloc_table_info+0x64/0xe0 [ 69.013302] __vmalloc_node_flags_caller+0x50/0x60 [ 69.013311] ? xt_alloc_table_info+0x64/0xe0 [ 69.013324] kvmalloc_node+0x82/0xd0 [ 69.013335] xt_alloc_table_info+0x64/0xe0 [ 69.013348] do_ipt_set_ctl+0x221/0x430 [ 69.013360] ? translate_compat_table+0x17e0/0x17e0 [ 69.013384] ? mutex_unlock+0xd/0x10 [ 69.013393] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 69.013406] nf_setsockopt+0x67/0xc0 [ 69.013418] ip_setsockopt+0xa1/0xb0 [ 69.013431] tcp_setsockopt+0x82/0xd0 [ 69.013446] sock_common_setsockopt+0x95/0xd0 [ 69.013460] SyS_setsockopt+0x158/0x240 [ 69.013472] ? SyS_recv+0x40/0x40 [ 69.013482] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 69.013494] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 69.013504] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 69.013521] entry_SYSCALL_64_fastpath+0x23/0x9a [ 69.013527] RIP: 0033:0x440619 [ 69.013531] RSP: 002b:00007fff6f3fa398 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 69.013539] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440619 [ 69.013543] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 69.013546] RBP: 00000000006cb018 R08: 0000000000000004 R09: 0000000000000000 [ 69.013551] R10: 0000000020000ffc R11: 0000000000000286 R12: 0000000000401a90 [ 69.013554] R13: 0000000000401b20 R14: 0000000000000000 R15: 0000000000000000 [ 69.450864] Node 0 active_anon:22160kB inactive_anon:248kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 69.510876] 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 [ 69.578767] lowmem_reserve[]: 0 2881 6392 6392 [ 69.585347] Node 0 DMA32 free:29116kB min:30384kB low:37980kB high:45576kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2952588kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 69.641061] lowmem_reserve[]: 0 0 3511 3511 [ 69.657066] Node 0 Normal free:123144kB min:37032kB low:46288kB high:55544kB active_anon:22160kB inactive_anon:248kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:3040kB pagetables:1232kB bounce:0kB free_pcp:968kB local_pcp:260kB free_cma:0kB [ 69.944033] lowmem_reserve[]: 0 0 0 0 [ 69.952036] 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 [ 69.966903] oom_reaper: reaped process 3472 (syzkaller744349), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 69.976815] syzkaller744349 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 69.976820] syzkaller744349 cpuset=/ mems_allowed=0 [ 69.976836] CPU: 0 PID: 3476 Comm: syzkaller744349 Not tainted 4.15.0-rc6-mm1+ #50 [ 69.976840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.976843] Call Trace: [ 69.976857] dump_stack+0x137/0x198 [ 69.976874] dump_header+0x163/0x790 [ 69.976887] ? ___ratelimit+0x53/0x550 [ 69.976901] oom_kill_process+0x550/0x650 [ 69.976909] ? lock_downgrade+0x860/0x860 [ 69.976921] ? oom_evaluate_task+0x284/0x480 [ 69.976936] out_of_memory+0x95e/0x15c0 [ 69.976953] ? oom_killer_disable+0x210/0x210 [ 69.976966] ? mutex_trylock+0x172/0x1c0 [ 69.976973] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 69.976988] __alloc_pages_slowpath+0x1eef/0x25c0 [ 69.977028] ? warn_alloc+0x260/0x260 [ 69.977071] __alloc_pages_nodemask+0x5aa/0x700 [ 69.977087] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 69.977099] ? __lock_is_held+0xb6/0x140 [ 69.977124] alloc_pages_current+0xb6/0x1e0 [ 69.977139] __vmalloc_node_range+0x409/0x650 [ 69.977160] ? xt_alloc_table_info+0x64/0xe0 [ 69.977169] __vmalloc_node_flags_caller+0x50/0x60 [ 69.977177] ? xt_alloc_table_info+0x64/0xe0 [ 69.977190] kvmalloc_node+0x82/0xd0 [ 69.977201] xt_alloc_table_info+0x64/0xe0 [ 69.977212] do_ipt_set_ctl+0x221/0x430 [ 69.977225] ? translate_compat_table+0x17e0/0x17e0 [ 69.977248] ? mutex_unlock+0xd/0x10 [ 69.977258] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 69.977272] nf_setsockopt+0x67/0xc0 [ 69.977284] ip_setsockopt+0xa1/0xb0 [ 69.977297] tcp_setsockopt+0x82/0xd0 [ 69.977313] sock_common_setsockopt+0x95/0xd0 [ 69.977327] SyS_setsockopt+0x158/0x240 [ 69.977339] ? SyS_recv+0x40/0x40 [ 69.977349] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 69.977360] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 69.977370] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 69.977387] entry_SYSCALL_64_fastpath+0x23/0x9a [ 69.977394] RIP: 0033:0x440619 [ 69.977397] RSP: 002b:00007fff6f3fa398 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 69.977405] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440619 [ 69.977409] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 69.977413] RBP: 00000000006cb018 R08: 0000000000000004 R09: 0000000000000000 [ 69.977417] R10: 0000000020000ffc R11: 0000000000000286 R12: 0000000000401a90 [ 69.977421] R13: 0000000000401b20 R14: 0000000000000000 R15: 0000000000000000 [ 69.977466] Mem-Info: [ 69.977481] active_anon:5024 inactive_anon:62 isolated_anon:0 [ 69.977481] active_file:21 inactive_file:27 isolated_file:30 [ 69.977481] unevictable:0 dirty:0 writeback:0 unstable:0 [ 69.977481] slab_reclaimable:7213 slab_unreclaimable:82858 [ 69.977481] mapped:2 shmem:68 pagetables:308 bounce:0 [ 69.977481] free:24090 free_pcp:284 free_cma:0 [ 69.977494] Node 0 active_anon:20096kB inactive_anon:248kB active_file:84kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):120kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 69.977496] 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 [ 69.977512] lowmem_reserve[]: 0 2881 6392 6392 [ 69.977524] Node 0 DMA32 free:43868kB min:30384kB low:37980kB high:45576kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2952588kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:212kB local_pcp:92kB free_cma:0kB [ 69.977539] lowmem_reserve[]: 0 0 3511 3511 [ 69.977551] Node 0 Normal free:36584kB min:37032kB low:46288kB high:55544kB active_anon:20096kB inactive_anon:248kB active_file:56kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:3040kB pagetables:1232kB bounce:0kB free_pcp:924kB local_pcp:712kB free_cma:0kB [ 69.977567] lowmem_reserve[]: 0 0 0 0 [ 69.977579] 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 [ 69.977631] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 1*16kB (M) 2*32kB (UM) 220*64kB (UM) 6*128kB (UM) 3*256kB (M) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 5*4096kB (M) = 43372kB [ 69.977687] Node 0 Normal: 140*4kB (UM) 220*8kB (UME) 148*16kB (M) 77*32kB (UM) 50*64kB (M) 19*128kB (M) 8*256kB (ME) 2*512kB (UE) 18*1024kB (UE) 1*2048kB (M) 0*4096kB = 36336kB [ 69.977747] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 69.977749] 155 total pagecache pages [ 69.977757] 0 pages in swap cache [ 69.977761] Swap cache stats: add 0, delete 0, find 0/0 [ 69.977763] Free swap = 0kB [ 69.977766] Total swap = 0kB [ 69.977768] 1965979 pages RAM [ 69.977771] 0 pages HighMem/MovableOnly [ 69.977773] 324875 pages reserved [ 69.977776] Unreclaimable slab info: [ 69.977779] Name Used Total [ 69.977786] hashtab_node 118KB 119KB [ 69.977791] ebitmap_node 388KB 389KB [ 69.977796] avtab_node 1012KB 1013KB [ 69.977807] TIPC 1KB 7KB [ 69.977814] SCTPv6 2KB 4KB [ 69.977824] DCCPv6 2KB 7KB [ 69.977829] DCCP 2KB 6KB [ 69.977850] fib6_nodes 0KB 4KB [ 69.977855] ip6_dst_cache 5KB 7KB [ 69.977861] RAWv6 9KB 19KB [ 69.977867] UDPv6 12KB 14KB [ 69.977873] TCPv6 2KB 5KB [ 69.977888] sd_ext_cdb 0KB 3KB [ 69.977893] scsi_sense_cache 83KB 100KB [ 69.977898] virtio_scsi_cmd 16KB 16KB [ 69.977906] sgpool-128 8KB 8KB [ 69.977911] sgpool-64 4KB 6KB [ 69.977915] sgpool-32 78KB 78KB [ 69.977921] sgpool-16 22KB 22KB [ 69.977925] sgpool-8 165KB 168KB [ 69.977931] cfq_io_cq 18KB 19KB [ 69.977936] cfq_queue 27KB 27KB [ 69.977942] mqueue_inode_cache 1KB 7KB [ 69.977948] nfs_commit_data 3KB 7KB [ 69.977953] nfs_write_data 34KB 37KB [ 69.977960] jbd2_inode 1KB 3KB [ 69.977965] ext4_system_zone 0KB 3KB [ 69.977977] bio-1 1KB 3KB [ 69.977988] rpc_buffers 17KB 19KB [ 69.977992] rpc_tasks 2KB 3KB [ 69.977997] UNIX 780KB 784KB [ 69.978025] tcp_bind_bucket 0KB 4KB [ 69.978031] ip_fib_trie 0KB 3KB [ 69.978036] ip_fib_alias 0KB 3KB [ 69.978042] ip_dst_cache 4KB 8KB [ 69.978047] RAW 5KB 7KB [ 69.978052] UDP 29KB 31KB [ 69.978058] TCP 31KB 39KB [ 69.978063] hugetlbfs_inode_cache 1KB 7KB [ 69.978068] eventpoll_pwq 10KB 11KB [ 69.978073] eventpoll_epi 18KB 23KB [ 69.978078] inotify_inode_mark 3KB 11KB [ 69.978084] request_queue 31KB 39KB [ 69.978090] blkdev_ioc 23KB 23KB [ 69.978094] bio-0 285KB 285KB [ 69.978100] biovec-(1<<(21-12)) 429KB 429KB [ 69.978105] biovec-64 110KB 110KB [ 69.978110] biovec-16 15KB 15KB [ 69.978118] bio_integrity_payload 0KB 4KB [ 69.978123] khugepaged_mm_slot 0KB 3KB [ 69.978131] uid_cache 2KB 3KB [ 69.978136] dmaengine-unmap-2 0KB 3KB [ 69.978142] audit_buffer 0KB 3KB [ 69.978147] skbuff_fclone_cache 130KB 131KB [ 69.978152] skbuff_head_cache 1696KB 1698KB [ 69.978157] configfs_dir_cache 0KB 4KB [ 69.978162] file_lock_cache 160KB 162KB [ 69.978167] file_lock_ctx 1KB 3KB [ 69.978172] fsnotify_mark_connector 2KB 7KB [ 69.978178] shmem_inode_cache 1037KB 1038KB [ 69.978183] task_delay_info 297KB 359KB [ 69.978188] sigqueue 336KB 338KB [ 69.978193] kernfs_node_cache 2157KB 2161KB [ 69.978198] mnt_cache 15KB 20KB [ 69.978202] filp 8676KB 8711KB [ 69.978208] names_cache 113143KB 113181KB [ 69.978216] avc_node 38KB 39KB [ 69.978220] selinux_file_security 436KB 453KB [ 69.978225] selinux_inode_security 1923KB 1928KB [ 69.978230] key_jar 3KB 7KB [ 69.978234] nsproxy 0KB 3KB [ 69.978239] vm_area_struct 17715KB 17719KB [ 69.978244] mm_struct 4226KB 4234KB [ 69.978248] fs_cache 396KB 432KB [ 69.978253] files_cache 1483KB 1485KB [ 69.978258] signal_cache 2373KB 2379KB [ 69.978262] sighand_cache 228KB 312KB [ 69.978268] task_struct 10118KB 10118KB [ 69.978273] cred_jar 2248KB 2252KB [ 69.978277] anon_vma_chain 7329KB 7331KB [ 69.978282] anon_vma 138KB 258KB [ 69.978287] pid 206KB 264KB [ 69.978292] Acpi-Operand 106KB 170KB [ 69.978299] Acpi-Namespace 19KB 23KB [ 69.978305] numa_policy 0KB 3KB [ 69.978309] debug_objects_cache 487KB 489KB [ 69.978314] trace_event_file 144KB 147KB [ 69.978320] ftrace_event_field 254KB 255KB [ 69.978325] pool_workqueue 22KB 24KB [ 69.978330] page->ptl 2939KB 2941KB [ 69.978351] kmalloc-262144 1032KB 1032KB [ 69.978356] kmalloc-131072 650KB 650KB [ 69.978361] kmalloc-65536 264KB 264KB [ 69.978366] kmalloc-32768 627KB 627KB [ 69.978370] kmalloc-16384 148KB 148KB [ 69.978375] kmalloc-8192 503KB 503KB [ 69.978379] kmalloc-4096 8920KB 8959KB [ 69.978384] kmalloc-2048 3115KB 3117KB [ 69.978388] kmalloc-1024 3472KB 3472KB [ 69.978393] kmalloc-512 2625KB 2891KB [ 69.978398] kmalloc-256 2084KB 2460KB [ 69.978404] kmalloc-128 395KB 535KB [ 69.978408] kmalloc-96 288KB 400KB [ 69.978413] kmalloc-64 705KB 832KB [ 69.978418] kmalloc-32 1874KB 2173KB [ 69.978422] kmalloc-192 193KB 248KB [ 69.978427] kmem_cache 99KB 101KB [ 69.978430] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 69.978450] [ 1774] 0 1774 5385 171 94208 0 -1000 udevd [ 69.978460] [ 3312] 0 3312 14250 110 114688 0 0 rsyslogd [ 69.978469] [ 3365] 0 3365 4725 50 81920 0 0 cron [ 69.978479] [ 3385] 0 3385 3736 45 69632 0 0 mcstransd [ 69.978489] [ 3413] 0 3413 12490 152 139264 0 -1000 sshd [ 69.978498] [ 3437] 0 3437 3694 41 77824 0 0 getty [ 69.978508] [ 3438] 0 3438 3694 41 73728 0 0 getty [ 69.978518] [ 3439] 0 3439 3694 40 73728 0 0 getty [ 69.978527] [ 3440] 0 3440 3694 39 77824 0 0 getty [ 69.978536] [ 3441] 0 3441 3694 39 73728 0 0 getty [ 69.978546] [ 3442] 0 3442 3694 41 77824 0 0 getty [ 69.978556] [ 3443] 0 3443 3649 40 73728 0 0 getty [ 69.978566] [ 3447] 0 3447 5681 455 86016 0 -1000 udevd [ 69.978575] [ 3448] 0 3448 5681 455 86016 0 -1000 udevd [ 69.978584] [ 3468] 0 3468 17821 196 188416 0 0 sshd [ 69.978594] [ 3470] 0 3470 281 1 32768 0 0 syzkaller744349 [ 69.978604] [ 3471] 0 3471 4376 0 32768 0 0 syzkaller744349 [ 69.978614] [ 3472] 0 3472 4376 0 32768 0 0 syzkaller744349 [ 69.978623] [ 3473] 0 3473 4376 522 36864 0 0 syzkaller744349 [ 69.978632] [ 3474] 0 3474 4376 522 36864 0 0 syzkaller744349 [ 69.978641] [ 3475] 0 3475 4376 522 36864 0 0 syzkaller744349 [ 69.978650] [ 3476] 0 3476 4376 522 36864 0 0 syzkaller744349 [ 69.978660] [ 3477] 0 3477 4376 522 36864 0 0 syzkaller744349 [ 69.978669] [ 3478] 0 3478 4376 522 36864 0 0 syzkaller744349 [ 69.978674] Out of memory: Kill process 3473 (syzkaller744349) score 0 or sacrifice child [ 69.978692] Killed process 3473 (syzkaller744349) total-vm:17504kB, anon-rss:2088kB, file-rss:0kB, shmem-rss:0kB [ 69.988547] oom_reaper: reaped process 3473 (syzkaller744349), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 70.183383] syzkaller744349 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 70.183388] syzkaller744349 cpuset=/ mems_allowed=0 [ 70.183406] CPU: 0 PID: 3474 Comm: syzkaller744349 Not tainted 4.15.0-rc6-mm1+ #50 [ 70.183411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.183413] Call Trace: [ 70.183428] dump_stack+0x137/0x198 [ 70.183445] dump_header+0x163/0x790 [ 70.183458] ? ___ratelimit+0x53/0x550 [ 70.183473] oom_kill_process+0x550/0x650 [ 70.183481] ? lock_downgrade+0x860/0x860 [ 70.183493] ? oom_evaluate_task+0x284/0x480 [ 70.183507] out_of_memory+0x95e/0x15c0 [ 70.183525] ? oom_killer_disable+0x210/0x210 [ 70.183537] ? mutex_trylock+0x172/0x1c0 [ 70.183544] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 70.183559] __alloc_pages_slowpath+0x1eef/0x25c0 [ 70.183595] ? warn_alloc+0x260/0x260 [ 70.183607] ? __lock_is_held+0xb6/0x140 [ 70.183634] ? __might_sleep+0x95/0x190 [ 70.183648] __alloc_pages_nodemask+0x5aa/0x700 [ 70.183656] ? __schedule+0x858/0x1e10 [ 70.183668] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 70.183680] ? __lock_is_held+0xb6/0x140 [ 70.183700] alloc_pages_current+0xb6/0x1e0 [ 70.183714] __vmalloc_node_range+0x409/0x650 [ 70.183734] ? xt_alloc_table_info+0x64/0xe0 [ 70.183743] __vmalloc_node_flags_caller+0x50/0x60 [ 70.183751] ? xt_alloc_table_info+0x64/0xe0 [ 70.183763] kvmalloc_node+0x82/0xd0 [ 70.183775] xt_alloc_table_info+0x64/0xe0 [ 70.183786] do_ipt_set_ctl+0x221/0x430 [ 70.183799] ? translate_compat_table+0x17e0/0x17e0 [ 70.183822] ? mutex_unlock+0xd/0x10 [ 70.183831] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 70.183844] nf_setsockopt+0x67/0xc0 [ 70.183857] ip_setsockopt+0xa1/0xb0 [ 70.183869] tcp_setsockopt+0x82/0xd0 [ 70.183884] sock_common_setsockopt+0x95/0xd0 [ 70.183898] SyS_setsockopt+0x158/0x240 [ 70.183910] ? SyS_recv+0x40/0x40 [ 70.183920] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 70.183931] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 70.183941] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 70.183958] entry_SYSCALL_64_fastpath+0x23/0x9a [ 70.183964] RIP: 0033:0x440619 [ 70.183968] RSP: 002b:00007fff6f3fa398 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 70.183975] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440619 [ 70.183980] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 70.183984] RBP: 00000000006cb018 R08: 0000000000000004 R09: 0000000000000000 [ 70.183987] R10: 0000000020000ffc R11: 0000000000000286 R12: 0000000000401a90 [ 70.183991] R13: 0000000000401b20 R14: 0000000000000000 R15: 0000000000000000 [ 70.184035] Mem-Info: [ 70.184050] active_anon:4507 inactive_anon:62 isolated_anon:0 [ 70.184050] active_file:24 inactive_file:36 isolated_file:0 [ 70.184050] unevictable:0 dirty:0 writeback:0 unstable:0 [ 70.184050] slab_reclaimable:7214 slab_unreclaimable:82866 [ 70.184050] mapped:18 shmem:68 pagetables:303 bounce:0 [ 70.184050] free:15812 free_pcp:92 free_cma:0 [ 70.184062] Node 0 active_anon:18028kB inactive_anon:248kB active_file:96kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 70.184065] 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 [ 70.184080] lowmem_reserve[]: 0 2881 6392 6392 Connection to 10.128.15.213 closed by remote host.