[....] Starting enhanced syslogd: rsyslogd[ 10.525064] audit: type=1400 audit(1515031304.623:5): avc: denied { syslog } for pid=3307 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: [ 13.173532] audit: type=1400 audit(1515031307.272:6): avc: denied { map } for pid=3445 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 '10.128.15.194' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 41.522586] audit: type=1400 audit(1515031335.621:7): avc: denied { map } for pid=3464 comm="syzkaller138911" path="/root/syzkaller138911288" 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 [ 44.247316] syzkaller138911 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 44.260941] syzkaller138911 cpuset=/ mems_allowed=0 [ 44.266133] CPU: 1 PID: 3467 Comm: syzkaller138911 Not tainted 4.15.0-rc6-next-20180103+ #87 [ 44.274683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.284004] Call Trace: [ 44.286572] dump_stack+0x137/0x198 [ 44.290168] dump_header+0x163/0x790 [ 44.293849] ? ___ratelimit+0x53/0x550 [ 44.297703] oom_kill_process+0x550/0x650 [ 44.301814] ? lock_downgrade+0x860/0x860 [ 44.305937] ? oom_evaluate_task+0x284/0x480 [ 44.310312] out_of_memory+0x95e/0x15c0 [ 44.314255] ? oom_killer_disable+0x210/0x210 [ 44.318726] ? mutex_trylock+0x172/0x1c0 [ 44.322752] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 44.327737] __alloc_pages_slowpath+0x1eef/0x25c0 [ 44.332560] ? warn_alloc+0x260/0x260 [ 44.336329] ? __lock_is_held+0xb6/0x140 [ 44.340367] ? __might_sleep+0x95/0x190 [ 44.344320] __alloc_pages_nodemask+0x5aa/0x700 [ 44.348971] ? __schedule+0x858/0x1e10 [ 44.352845] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 44.357848] ? __lock_is_held+0xb6/0x140 [ 44.361900] alloc_pages_current+0xb6/0x1e0 [ 44.366210] __vmalloc_node_range+0x409/0x650 [ 44.370704] ? xt_alloc_table_info+0x64/0xe0 [ 44.375091] __vmalloc_node_flags_caller+0x50/0x60 [ 44.379985] ? xt_alloc_table_info+0x64/0xe0 [ 44.384370] kvmalloc_node+0x82/0xd0 [ 44.388070] xt_alloc_table_info+0x64/0xe0 [ 44.392287] do_ipt_set_ctl+0x221/0x430 [ 44.396239] ? translate_compat_table+0x17e0/0x17e0 [ 44.401234] ? mutex_unlock+0xd/0x10 [ 44.404915] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 44.410156] nf_setsockopt+0x67/0xc0 [ 44.413837] ip_setsockopt+0xa1/0xb0 [ 44.417516] tcp_setsockopt+0x82/0xd0 [ 44.421290] sock_common_setsockopt+0x95/0xd0 [ 44.425754] SyS_setsockopt+0x158/0x240 [ 44.429697] ? SyS_recv+0x40/0x40 [ 44.433117] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 44.437926] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.442908] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.447634] entry_SYSCALL_64_fastpath+0x23/0x9a [ 44.452353] RIP: 0033:0x440339 [ 44.455512] RSP: 002b:00007ffccdd6aec8 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 44.463202] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440339 [ 44.470456] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 44.477702] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 44.484950] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018a0 [ 44.492194] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000 [ 44.499543] Mem-Info: [ 44.503062] active_anon:7842 inactive_anon:62 isolated_anon:0 [ 44.503062] active_file:2167 inactive_file:2114 isolated_file:0 [ 44.503062] unevictable:0 dirty:4243 writeback:0 unstable:0 [ 44.503062] slab_reclaimable:7192 slab_unreclaimable:83213 [ 44.503062] mapped:2 shmem:68 pagetables:342 bounce:0 [ 44.503062] free:24129 free_pcp:6 free_cma:0 [ 44.535606] Node 0 active_anon:31368kB inactive_anon:248kB active_file:8492kB inactive_file:8620kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:16972kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 44.563187] 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 [ 44.589319] lowmem_reserve[]: 0 2881 6392 6392 [ 44.593908] Node 0 DMA32 free:43876kB 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:2952584kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.621063] lowmem_reserve[]: 0 0 3511 3511 [ 44.625405] Node 0 Normal free:36732kB min:37032kB low:46288kB high:55544kB active_anon:31368kB inactive_anon:248kB active_file:8472kB inactive_file:8324kB unevictable:0kB writepending:16972kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:3072kB pagetables:1368kB bounce:0kB free_pcp:24kB local_pcp:24kB free_cma:0kB [ 44.655136] lowmem_reserve[]: 0 0 0 0 [ 44.658927] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 44.672540] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 4*256kB (UM) 2*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 8*4096kB (M) = 43876kB [ 44.687996] Node 0 Normal: 615*4kB (UM) 514*8kB (UM) 303*16kB (M) 167*32kB (UM) 81*64kB (M) 20*128kB (M) 6*256kB (M) 13*512kB (M) 4*1024kB (UM) 0*2048kB 0*4096kB = 36796kB [ 44.703548] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.712113] 4335 total pagecache pages [ 44.715999] 0 pages in swap cache [ 44.719473] Swap cache stats: add 0, delete 0, find 0/0 [ 44.724821] Free swap = 0kB [ 44.727830] Total swap = 0kB [ 44.730846] 1965979 pages RAM [ 44.733946] 0 pages HighMem/MovableOnly [ 44.737920] 324876 pages reserved [ 44.741398] Unreclaimable slab info: [ 44.745122] Name Used Total [ 44.750652] hashtab_node 118KB 119KB [ 44.755992] ebitmap_node 388KB 389KB [ 44.761337] avtab_node 1012KB 1013KB [ 44.766682] TIPC 1KB 7KB [ 44.772029] SCTPv6 2KB 4KB [ 44.777394] DCCPv6 2KB 7KB [ 44.782814] DCCP 2KB 6KB [ 44.788856] fib6_nodes 0KB 4KB [ 44.794222] ip6_dst_cache 6KB 7KB [ 44.799588] RAWv6 9KB 13KB [ 44.804947] UDPv6 14KB 14KB [ 44.810287] TCPv6 2KB 5KB [ 44.815637] sd_ext_cdb 0KB 3KB [ 44.820977] scsi_sense_cache 68KB 108KB [ 44.826337] virtio_scsi_cmd 16KB 16KB [ 44.831689] sgpool-128 8KB 8KB [ 44.837027] sgpool-64 4KB 6KB [ 44.842386] sgpool-32 61KB 63KB [ 44.847748] sgpool-16 15KB 18KB [ 44.853109] sgpool-8 146KB 176KB [ 44.858460] cfq_io_cq 17KB 19KB [ 44.863802] cfq_queue 23KB 27KB [ 44.869143] mqueue_inode_cache 1KB 7KB [ 44.874572] nfs_commit_data 3KB 7KB [ 44.879925] nfs_write_data 34KB 37KB [ 44.885277] jbd2_inode 2KB 3KB [ 44.890620] ext4_system_zone 0KB 3KB [ 44.895982] bio-1 1KB 3KB [ 44.901354] rpc_buffers 17KB 19KB [ 44.906715] rpc_tasks 2KB 3KB [ 44.912084] UNIX 773KB 773KB [ 44.917436] tcp_bind_bucket 0KB 4KB [ 44.923174] ip_fib_trie 0KB 3KB [ 44.928537] ip_fib_alias 0KB 3KB [ 44.933900] ip_dst_cache 6KB 8KB [ 44.939248] RAW 5KB 7KB [ 44.944590] UDP 29KB 31KB [ 44.949931] request_sock_TCP 1KB 3KB [ 44.955290] TCP 36KB 39KB [ 44.960657] hugetlbfs_inode_cache 1KB 7KB [ 44.966359] eventpoll_pwq 9KB 11KB [ 44.971700] eventpoll_epi 17KB 19KB [ 44.977039] inotify_inode_mark 4KB 7KB [ 44.982468] request_queue 31KB 45KB [ 44.987815] blkdev_ioc 23KB 23KB [ 44.993159] bio-0 221KB 221KB [ 44.998502] biovec-(1<<(21-12)) 379KB 379KB [ 45.004022] biovec-128 46KB 51KB [ 45.009378] biovec-64 19KB 31KB [ 45.014740] biovec-16 7KB 11KB [ 45.020093] bio_integrity_payload 0KB 4KB [ 45.025802] khugepaged_mm_slot 1KB 3KB [ 45.031258] uid_cache 1KB 3KB [ 45.036611] dmaengine-unmap-2 0KB 3KB [ 45.041955] audit_buffer 0KB 3KB [ 45.047299] skbuff_fclone_cache 133KB 135KB [ 45.052821] skbuff_head_cache 1804KB 1807KB [ 45.058551] configfs_dir_cache 0KB 4KB [ 45.063999] file_lock_cache 157KB 158KB [ 45.069367] file_lock_ctx 1KB 3KB [ 45.074733] fsnotify_mark_connector 2KB 3KB [ 45.080609] shmem_inode_cache 1038KB 1038KB [ 45.085953] task_delay_info 307KB 336KB [ 45.091302] sigqueue 335KB 338KB [ 45.096646] kernfs_node_cache 2157KB 2161KB [ 45.101985] mnt_cache 15KB 20KB [ 45.107327] filp 8761KB 8880KB [ 45.112686] names_cache 113517KB 113555KB [ 45.118042] avc_node 38KB 43KB [ 45.123399] selinux_file_security 440KB 453KB [ 45.129111] selinux_inode_security 1926KB 1928KB [ 45.134912] key_jar 3KB 7KB [ 45.140262] nsproxy 0KB 3KB [ 45.145610] vm_area_struct 17697KB 17700KB [ 45.150952] mm_struct 4234KB 4234KB [ 45.156304] fs_cache 410KB 440KB [ 45.161651] files_cache 1484KB 1485KB [ 45.166993] signal_cache 2369KB 2371KB [ 45.172341] sighand_cache 235KB 291KB [ 45.177701] task_struct 10106KB 10106KB [ 45.183067] cred_jar 2254KB 2256KB [ 45.188433] anon_vma_chain 7301KB 7304KB [ 45.194495] anon_vma 176KB 269KB [ 45.199849] pid 210KB 240KB [ 45.205190] Acpi-Operand 106KB 170KB [ 45.210538] Acpi-Namespace 19KB 23KB [ 45.215891] numa_policy 0KB 3KB [ 45.221240] debug_objects_cache 488KB 489KB [ 45.226755] trace_event_file 145KB 147KB [ 45.232111] ftrace_event_field 257KB 259KB [ 45.237561] pool_workqueue 22KB 24KB [ 45.242930] page->ptl 2917KB 2917KB [ 45.248315] kmalloc-262144 1032KB 1032KB [ 45.253671] kmalloc-131072 650KB 650KB [ 45.259022] kmalloc-65536 264KB 264KB [ 45.264365] kmalloc-32768 627KB 627KB [ 45.269705] kmalloc-16384 148KB 148KB [ 45.275049] kmalloc-8192 503KB 503KB [ 45.280458] kmalloc-4096 9303KB 9333KB [ 45.285811] kmalloc-2048 3104KB 3104KB [ 45.291176] kmalloc-1024 3362KB 3362KB [ 45.296545] kmalloc-512 2633KB 2872KB [ 45.301917] kmalloc-256 2128KB 2520KB [ 45.307269] kmalloc-128 396KB 523KB [ 45.312624] kmalloc-96 272KB 384KB [ 45.317971] kmalloc-64 703KB 840KB [ 45.323329] kmalloc-32 1877KB 2212KB [ 45.329141] kmalloc-192 193KB 240KB [ 45.334494] kmem_cache 99KB 105KB [ 45.339842] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 45.348495] [ 1773] 0 1773 5385 171 81920 0 -1000 udevd [ 45.356686] [ 3176] 0 3176 2493 574 61440 0 0 dhclient [ 45.365076] [ 3307] 0 3307 30583 91 126976 0 0 rsyslogd [ 45.373463] [ 3358] 0 3358 4725 50 90112 0 0 cron [ 45.381503] [ 3381] 0 3381 3735 44 61440 0 0 mcstransd [ 45.389982] [ 3391] 0 3391 12927 1228 139264 0 0 restorecond [ 45.398628] [ 3399] 0 3399 12490 152 135168 0 -1000 sshd [ 45.406690] [ 3433] 0 3433 3694 40 77824 0 0 getty [ 45.414824] [ 3434] 0 3434 3694 39 77824 0 0 getty [ 45.422957] [ 3435] 0 3435 3694 38 69632 0 0 getty [ 45.431104] [ 3436] 0 3436 3694 41 73728 0 0 getty [ 45.439263] [ 3437] 0 3437 3694 41 73728 0 0 getty [ 45.447413] [ 3438] 0 3438 3694 41 77824 0 0 getty [ 45.455581] [ 3439] 0 3439 3649 40 73728 0 0 getty [ 45.463739] [ 3441] 0 3441 5681 454 81920 0 -1000 udevd [ 45.471883] [ 3442] 0 3442 5681 454 81920 0 -1000 udevd [ 45.480031] [ 3462] 0 3462 17821 197 188416 0 0 sshd [ 45.488092] [ 3464] 0 3464 280 1 32768 0 0 syzkaller138911 [ 45.497104] [ 3465] 0 3465 4375 524 36864 0 0 syzkaller138911 [ 45.506129] [ 3466] 0 3466 4375 524 36864 0 0 syzkaller138911 [ 45.515151] [ 3467] 0 3467 4375 524 36864 0 0 syzkaller138911 [ 45.524178] [ 3468] 0 3468 4375 524 36864 0 0 syzkaller138911 [ 45.533189] [ 3469] 0 3469 4375 524 36864 0 0 syzkaller138911 [ 45.542202] [ 3470] 0 3470 4375 524 36864 0 0 syzkaller138911 [ 45.551216] [ 3471] 0 3471 4375 524 36864 0 0 syzkaller138911 [ 45.560244] [ 3472] 0 3472 4375 524 36864 0 0 syzkaller138911 [ 45.569263] Out of memory: Kill process 3391 (restorecond) score 0 or sacrifice child [ 45.577586] Killed process 3391 (restorecond) total-vm:51708kB, anon-rss:4912kB, file-rss:0kB, shmem-rss:0kB [ 45.987682] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 45.999156] rsyslogd cpuset=/ mems_allowed=0 [ 46.003629] CPU: 0 PID: 3310 Comm: rsyslogd Not tainted 4.15.0-rc6-next-20180103+ #87 [ 46.011569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.020891] Call Trace: [ 46.023445] dump_stack+0x137/0x198 [ 46.027044] dump_header+0x163/0x790 [ 46.030725] ? ___ratelimit+0x53/0x550 [ 46.034584] oom_kill_process+0x550/0x650 [ 46.038695] ? lock_downgrade+0x860/0x860 [ 46.042810] ? oom_evaluate_task+0x284/0x480 [ 46.047198] out_of_memory+0x95e/0x15c0 [ 46.051143] ? oom_killer_disable+0x210/0x210 [ 46.055605] ? mutex_trylock+0x172/0x1c0 [ 46.059634] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 46.064618] __alloc_pages_slowpath+0x1eef/0x25c0 [ 46.069460] ? warn_alloc+0x260/0x260 [ 46.073231] ? __lock_is_held+0xb6/0x140 [ 46.077268] ? __might_sleep+0x95/0x190 [ 46.081227] __alloc_pages_nodemask+0x5aa/0x700 [ 46.085888] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 46.090883] ? lock_downgrade+0x860/0x860 [ 46.095037] alloc_pages_current+0xb6/0x1e0 [ 46.099351] __page_cache_alloc+0x282/0x3c0 [ 46.103663] filemap_fault+0xc74/0x1900 [ 46.107620] ? check_noncircular+0x20/0x20 [ 46.111856] ? __lock_page_or_retry+0x900/0x900 [ 46.116507] ? lock_acquire+0x16b/0x420 [ 46.120456] ? lock_acquire+0x16b/0x420 [ 46.124408] ? ext4_filemap_fault+0x7a/0xad [ 46.128707] ext4_filemap_fault+0x82/0xad [ 46.132821] __do_fault+0x8a/0x1d0 [ 46.136328] __handle_mm_fault+0x1c96/0x3210 [ 46.140711] ? __pmd_alloc+0x4e0/0x4e0 [ 46.144565] ? find_held_lock+0x35/0x1e0 [ 46.148611] handle_mm_fault+0x305/0x840 [ 46.152642] __do_page_fault+0x59e/0xca0 [ 46.156673] ? mm_fault_error+0x2c0/0x2c0 [ 46.160787] ? entry_SYSCALL_64_fastpath+0x4f/0x9a [ 46.165682] ? page_fault+0x36/0x60 [ 46.169280] do_page_fault+0x78/0x490 [ 46.173044] ? page_fault+0x36/0x60 [ 46.176639] page_fault+0x4c/0x60 [ 46.180057] RIP: 0033:0x7f7ee8e001fd [ 46.183738] RSP: 002b:00007f7ee639fe30 EFLAGS: 00010293 [ 46.189078] RAX: 00000000000000d5 RBX: 0000000001d7b4b0 RCX: 00007f7ee8e001fd [ 46.196326] RDX: 0000000000000fff RSI: 00007f7ee7bd45a0 RDI: 0000000000000004 [ 46.203579] RBP: 0000000000000000 R08: 0000000001d66260 R09: 0000000004000001 [ 46.210827] R10: 0000000000000001 R11: 0000000000000293 R12: 000000000065e420 [ 46.218080] R13: 00007f7ee63a09c0 R14: 00007f7ee9445040 R15: 0000000000000003 [ 46.225442] Mem-Info: [ 46.234764] active_anon:6612 inactive_anon:62 isolated_anon:0 [ 46.234764] active_file:2120 inactive_file:2135 isolated_file:32 [ 46.234764] unevictable:0 dirty:4239 writeback:0 unstable:0 [ 46.234764] slab_reclaimable:7191 slab_unreclaimable:83186 [ 46.234764] mapped:2 shmem:68 pagetables:314 bounce:0 [ 46.234764] free:24128 free_pcp:0 free_cma:0 [ 46.267438] Node 0 active_anon:26448kB inactive_anon:248kB active_file:8468kB inactive_file:8552kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:16956kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 46.294948] 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 [ 46.341630] lowmem_reserve[]: 0 2881 6392 6392 [ 46.346280] Node 0 DMA32 free:43876kB 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:2952584kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 46.373826] lowmem_reserve[]: 0 0 3511 3511 [ 46.378153] Node 0 Normal free:36732kB min:37032kB low:46288kB high:55544kB active_anon:26448kB inactive_anon:248kB active_file:8656kB inactive_file:8396kB unevictable:0kB writepending:16952kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:3040kB pagetables:1256kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 46.407312] lowmem_reserve[]: 0 0 0 0 [ 46.411126] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 46.424706] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 4*256kB (UM) 2*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 8*4096kB (M) = 43876kB [ 46.461029] Node 0 Normal: 581*4kB (UME) 481*8kB (UM) 310*16kB (UM) 228*32kB (UM) 96*64kB (UM) 31*128kB (UM) 6*256kB (M) 13*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36732kB [ 46.476575] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 46.485130] 4331 total pagecache pages [ 46.489016] 0 pages in swap cache [ 46.492445] Swap cache stats: add 0, delete 0, find 0/0 [ 46.497782] Free swap = 0kB [ 46.501140] Total swap = 0kB [ 46.504534] 1965979 pages RAM [ 46.507634] 0 pages HighMem/MovableOnly [ 46.511596] 324876 pages reserved [ 46.515113] Unreclaimable slab info: [ 46.518894] Name Used Total [ 46.524444] hashtab_node 118KB 119KB [ 46.529788] ebitmap_node 388KB 389KB [ 46.535131] avtab_node 1012KB 1013KB [ 46.540474] TIPC 1KB 7KB [ 46.545830] SCTPv6 2KB 4KB [ 46.551188] DCCPv6 2KB 7KB [ 46.556563] DCCP 2KB 6KB [ 46.578449] fib6_nodes 0KB 4KB [ 46.583828] ip6_dst_cache 6KB 7KB [ 46.589173] RAWv6 9KB 13KB [ 46.594518] UDPv6 14KB 14KB [ 46.599872] TCPv6 2KB 5KB [ 46.605222] sd_ext_cdb 0KB 3KB [ 46.610567] scsi_sense_cache 65KB 108KB [ 46.615908] virtio_scsi_cmd 16KB 16KB [ 46.621259] sgpool-128 8KB 8KB [ 46.631913] sgpool-64 4KB 6KB [ 46.637284] sgpool-32 61KB 63KB [ 46.642630] sgpool-16 15KB 18KB [ 46.647971] sgpool-8 143KB 176KB [ 46.653316] cfq_io_cq 16KB 19KB [ 46.658680] cfq_queue 23KB 27KB [ 46.664044] mqueue_inode_cache 1KB 7KB [ 46.669932] nfs_commit_data 3KB 7KB [ 46.675276] nfs_write_data 34KB 37KB [ 46.686561] jbd2_inode 2KB 3KB [ 46.696462] ext4_system_zone 0KB 3KB [ 46.701854] bio-1 1KB 3KB [ 46.707214] rpc_buffers 17KB 19KB [ 46.712556] rpc_tasks 2KB 3KB [ 46.717897] UNIX 773KB 773KB [ 46.723238] tcp_bind_bucket 0KB 4KB [ 46.728585] ip_fib_trie 0KB 3KB [ 46.733926] ip_fib_alias 0KB 3KB [ 46.740068] ip_dst_cache 6KB 8KB [ 46.745432] RAW 5KB 7KB [ 46.750777] UDP 29KB 31KB [ 46.756148] request_sock_TCP 1KB 3KB [ 46.762194] TCP 34KB 39KB [ 46.767549] hugetlbfs_inode_cache 1KB 7KB [ 46.773238] eventpoll_pwq 9KB 11KB [ 46.778582] eventpoll_epi 17KB 19KB [ 46.783943] inotify_inode_mark 3KB 7KB [ 46.789378] request_queue 31KB 45KB [ 46.794738] blkdev_ioc 21KB 23KB [ 46.800103] bio-0 221KB 221KB [ 46.805472] biovec-(1<<(21-12)) 379KB 379KB [ 46.813347] biovec-128 46KB 51KB [ 46.818724] biovec-64 19KB 31KB [ 46.824087] biovec-16 7KB 11KB [ 46.829439] bio_integrity_payload 0KB 4KB [ 46.835127] khugepaged_mm_slot 1KB 3KB [ 46.840559] uid_cache 1KB 3KB [ 46.845899] dmaengine-unmap-2 0KB 3KB [ 46.852065] audit_buffer 0KB 3KB [ 46.857422] skbuff_fclone_cache 133KB 135KB [ 46.862939] skbuff_head_cache 1804KB 1807KB [ 46.868287] configfs_dir_cache 0KB 4KB [ 46.873714] file_lock_cache 157KB 158KB [ 46.879056] file_lock_ctx 1KB 3KB [ 46.884398] fsnotify_mark_connector 2KB 3KB [ 46.890259] shmem_inode_cache 1038KB 1038KB [ 46.896304] task_delay_info 306KB 336KB [ 46.901660] sigqueue 335KB 338KB [ 46.907003] kernfs_node_cache 2157KB 2161KB [ 46.912361] mnt_cache 15KB 20KB [ 46.917705] filp 8755KB 8876KB [ 46.923066] names_cache 113509KB 113547KB [ 46.933743] avc_node 38KB 43KB [ 46.939131] selinux_file_security 439KB 453KB [ 46.944829] selinux_inode_security 1926KB 1928KB [ 46.950606] key_jar 3KB 7KB [ 46.955949] nsproxy 0KB 3KB [ 46.963708] vm_area_struct 17694KB 17700KB [ 46.969082] mm_struct 4232KB 4234KB [ 46.974436] fs_cache 408KB 440KB [ 46.979871] files_cache 1483KB 1485KB [ 46.985221] signal_cache 2367KB 2371KB [ 46.990561] sighand_cache 224KB 291KB [ 46.995903] task_struct 10100KB 10106KB [ 47.001260] cred_jar 2253KB 2256KB [ 47.006612] anon_vma_chain 7301KB 7304KB [ 47.011951] anon_vma 171KB 269KB [ 47.017291] pid 209KB 240KB [ 47.022632] Acpi-Operand 106KB 170KB [ 47.028382] Acpi-Namespace 19KB 23KB [ 47.033726] numa_policy 0KB 3KB [ 47.039075] debug_objects_cache 488KB 489KB [ 47.044611] trace_event_file 145KB 147KB [ 47.053555] ftrace_event_field 257KB 259KB [ 47.059039] pool_workqueue 22KB 24KB [ 47.064393] page->ptl 2915KB 2917KB [ 47.069746] kmalloc-262144 1032KB 1032KB [ 47.076062] kmalloc-131072 650KB 650KB [ 47.081437] kmalloc-65536 264KB 264KB [ 47.086790] kmalloc-32768 627KB 627KB [ 47.092133] kmalloc-16384 148KB 148KB [ 47.097472] kmalloc-8192 503KB 503KB [ 47.102813] kmalloc-4096 9294KB 9333KB [ 47.108161] kmalloc-2048 3104KB 3104KB [ 47.113504] kmalloc-1024 3362KB 3362KB [ 47.118845] kmalloc-512 2631KB 2872KB [ 47.124185] kmalloc-256 2125KB 2516KB [ 47.129524] kmalloc-128 396KB 523KB [ 47.134865] kmalloc-96 269KB 384KB [ 47.140213] kmalloc-64 711KB 840KB [ 47.145554] kmalloc-32 1876KB 2212KB [ 47.150968] kmalloc-192 193KB 240KB [ 47.156312] kmem_cache 99KB 105KB [ 47.162364] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 47.173601] [ 1773] 0 1773 5385 171 81920 0 -1000 udevd [ 47.181807] [ 3176] 0 3176 2493 574 61440 0 0 dhclient [ 47.190229] [ 3307] 0 3307 30583 91 126976 0 0 rsyslogd [ 47.198647] [ 3358] 0 3358 4725 50 90112 0 0 cron [ 47.206704] [ 3381] 0 3381 3735 44 61440 0 0 mcstransd [ 47.215199] [ 3399] 0 3399 12490 152 135168 0 -1000 sshd [ 47.223252] [ 3433] 0 3433 3694 40 77824 0 0 getty [ 47.231376] [ 3434] 0 3434 3694 39 77824 0 0 getty [ 47.239501] [ 3435] 0 3435 3694 38 69632 0 0 getty [ 47.247624] [ 3436] 0 3436 3694 41 73728 0 0 getty [ 47.255745] [ 3437] 0 3437 3694 41 73728 0 0 getty [ 47.263869] [ 3438] 0 3438 3694 41 77824 0 0 getty [ 47.271994] [ 3439] 0 3439 3649 40 73728 0 0 getty [ 47.280171] [ 3441] 0 3441 5681 454 81920 0 -1000 udevd [ 47.288325] [ 3442] 0 3442 5681 454 81920 0 -1000 udevd [ 47.296480] [ 3462] 0 3462 17821 197 188416 0 0 sshd [ 47.304545] [ 3464] 0 3464 280 1 32768 0 0 syzkaller138911 [ 47.313564] [ 3465] 0 3465 4375 524 36864 0 0 syzkaller138911 [ 47.322582] [ 3466] 0 3466 4375 524 36864 0 0 syzkaller138911 [ 47.331585] [ 3467] 0 3467 4375 524 36864 0 0 syzkaller138911 [ 47.340578] [ 3468] 0 3468 4375 524 36864 0 0 syzkaller138911 [ 47.349568] [ 3469] 0 3469 4375 524 36864 0 0 syzkaller138911 [ 47.358575] [ 3470] 0 3470 4375 524 36864 0 0 syzkaller138911 [ 47.367566] [ 3471] 0 3471 4375 524 36864 0 0 syzkaller138911 [ 47.376555] [ 3472] 0 3472 4375 524 36864 0 0 syzkaller138911 [ 47.385559] Out of memory: Kill process 3176 (dhclient) score 0 or sacrifice child [ 47.393585] Killed process 3176 (dhclient) total-vm:9972kB, anon-rss:2296kB, file-rss:0kB, shmem-rss:0kB [ 47.407599] oom_reaper: reaped process 3176 (dhclient), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 47.424535] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 47.436288] init cpuset=/ mems_allowed=0 [ 47.440380] CPU: 1 PID: 1 Comm: init Not tainted 4.15.0-rc6-next-20180103+ #87 [ 47.447708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.457027] Call Trace: [ 47.459586] dump_stack+0x137/0x198 [ 47.463188] dump_header+0x163/0x790 [ 47.466874] ? ___ratelimit+0x53/0x550 [ 47.470733] oom_kill_process+0x550/0x650 [ 47.474848] ? lock_downgrade+0x860/0x860 [ 47.478971] ? oom_evaluate_task+0x284/0x480 [ 47.483351] out_of_memory+0x95e/0x15c0 [ 47.487303] ? oom_killer_disable+0x210/0x210 [ 47.491767] ? mutex_trylock+0x172/0x1c0 [ 47.495794] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 47.500785] __alloc_pages_slowpath+0x1eef/0x25c0 [ 47.505618] ? warn_alloc+0x260/0x260 [ 47.509389] ? __lock_is_held+0xb6/0x140 [ 47.513433] ? __might_sleep+0x95/0x190 [ 47.517379] __alloc_pages_nodemask+0x5aa/0x700 [ 47.522027] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 47.527016] ? lock_downgrade+0x860/0x860 [ 47.531150] alloc_pages_current+0xb6/0x1e0 [ 47.535443] __page_cache_alloc+0x282/0x3c0 [ 47.539742] filemap_fault+0xc74/0x1900 [ 47.543682] ? check_noncircular+0x20/0x20 [ 47.547897] ? __lock_page_or_retry+0x900/0x900 [ 47.552536] ? lock_acquire+0x16b/0x420 [ 47.556475] ? lock_acquire+0x16b/0x420 [ 47.560419] ? ext4_filemap_fault+0x7a/0xad [ 47.564719] ext4_filemap_fault+0x82/0xad [ 47.568839] __do_fault+0x8a/0x1d0 [ 47.572352] __handle_mm_fault+0x1c96/0x3210 [ 47.576731] ? __pmd_alloc+0x4e0/0x4e0 [ 47.580589] ? find_held_lock+0x35/0x1e0 [ 47.584638] handle_mm_fault+0x305/0x840 [ 47.588672] __do_page_fault+0x59e/0xca0 [ 47.592708] ? mm_fault_error+0x2c0/0x2c0 [ 47.596827] ? return_from_SYSCALL_64+0x10/0x75 [ 47.601465] ? page_fault+0x36/0x60 [ 47.605063] do_page_fault+0x78/0x490 [ 47.608829] ? page_fault+0x36/0x60 [ 47.612428] page_fault+0x4c/0x60 [ 47.615851] RIP: 0033:0x402a80 [ 47.619013] RSP: 002b:00007fff72c30bf8 EFLAGS: 00010246 [ 47.624352] RAX: 0000000000000000 RBX: 00007fff72c31330 RCX: 00007fbadb957dd3 [ 47.631589] RDX: 00007fff72c30c00 RSI: 00007fff72c30d30 RDI: 0000000000000011 [ 47.638825] RBP: 00007fff72c314e0 R08: 00007fff72c31560 R09: 0000000000000001 [ 47.646061] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 47.653297] R13: 00007fff72c318c0 R14: 0000000000000000 R15: 0000000000000000 [ 47.660669] Mem-Info: [ 47.685065] active_anon:6062 inactive_anon:62 isolated_anon:0 [ 47.685065] active_file:2068 inactive_file:2090 isolated_file:128 [ 47.685065] unevictable:0 dirty:4238 writeback:0 unstable:0 [ 47.685065] slab_reclaimable:7191 slab_unreclaimable:83186 [ 47.685065] mapped:2 shmem:68 pagetables:314 bounce:0 [ 47.685065] free:24182 free_pcp:186 free_cma:0 [ 47.718121] Node 0 active_anon:24152kB inactive_anon:248kB active_file:8344kB inactive_file:8708kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:16952kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 47.745871] 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 [ 47.771979] lowmem_reserve[]: 0 2881 6392 6392 [ 47.776569] Node 0 DMA32 free:43876kB 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:2952584kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 47.808831] lowmem_reserve[]: 0 0 3511 3511 [ 47.813196] Node 0 Normal free:36920kB min:37032kB low:46288kB high:55544kB active_anon:24152kB inactive_anon:248kB active_file:8440kB inactive_file:8312kB unevictable:0kB writepending:16952kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:3008kB pagetables:1220kB bounce:0kB free_pcp:868kB local_pcp:740kB free_cma:0kB [ 47.842701] lowmem_reserve[]: 0 0 0 0 [ 47.846494] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 47.860057] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 4*256kB (UM) 2*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 8*4096kB (M) = 43876kB [ 47.875471] Node 0 Normal: 562*4kB (UME) 466*8kB (M) 300*16kB (M) 228*32kB (M) 97*64kB (UM) 37*128kB (UM) 9*256kB (M) 11*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 36952kB [ 47.890656] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 47.899239] 4331 total pagecache pages [ 47.903136] 0 pages in swap cache [ 47.906581] Swap cache stats: add 0, delete 0, find 0/0 [ 47.911939] Free swap = 0kB [ 47.914954] Total swap = 0kB [ 47.917959] 1965979 pages RAM [ 47.921042] 0 pages HighMem/MovableOnly [ 47.924991] 324876 pages reserved [ 47.928442] Unreclaimable slab info: [ 47.932160] Name Used Total [ 47.937704] hashtab_node 118KB 119KB [ 47.943068] ebitmap_node 387KB 389KB [ 47.948438] avtab_node 1012KB 1013KB [ 47.953796] TIPC 1KB 7KB [ 47.959140] SCTPv6 2KB 4KB [ 47.964484] DCCPv6 2KB 7KB [ 47.969835] DCCP 2KB 6KB [ 47.975190] fib6_nodes 0KB 4KB [ 47.980533] ip6_dst_cache 5KB 7KB [ 47.985892] RAWv6 9KB 13KB [ 47.991264] UDPv6 12KB 14KB [ 47.996635] TCPv6 2KB 5KB [ 48.001991] sd_ext_cdb 0KB 3KB [ 48.007352] scsi_sense_cache 62KB 108KB [ 48.012705] virtio_scsi_cmd 16KB 16KB [ 48.018067] sgpool-128 8KB 8KB [ 48.023422] sgpool-64 4KB 6KB [ 48.028764] sgpool-32 61KB 63KB [ 48.034106] sgpool-16 15KB 18KB [ 48.039462] sgpool-8 140KB 176KB [ 48.044831] cfq_io_cq 15KB 19KB [ 48.050202] cfq_queue 23KB 27KB [ 48.055571] mqueue_inode_cache 1KB 7KB [ 48.061042] nfs_commit_data 3KB 7KB [ 48.066399] nfs_write_data 34KB 37KB [ 48.071748] jbd2_inode 1KB 3KB [ 48.077089] ext4_system_zone 0KB 3KB [ 48.082437] bio-1 1KB 3KB [ 48.087803] rpc_buffers 17KB 19KB [ 48.093159] rpc_tasks 2KB 3KB [ 48.098505] UNIX 773KB 773KB [ 48.103865] tcp_bind_bucket 0KB 4KB [ 48.109231] ip_fib_trie 0KB 3KB [ 48.114592] ip_fib_alias 0KB 3KB [ 48.119960] ip_dst_cache 5KB 8KB [ 48.125316] RAW 5KB 7KB [ 48.130659] UDP 29KB 31KB [ 48.135998] request_sock_TCP 0KB 3KB [ 48.141346] TCP 31KB 39KB [ 48.146691] hugetlbfs_inode_cache 1KB 7KB [ 48.152400] eventpoll_pwq 9KB 11KB [ 48.157768] eventpoll_epi 17KB 19KB [ 48.163138] inotify_inode_mark 3KB 7KB [ 48.168595] request_queue 31KB 45KB [ 48.173965] blkdev_ioc 21KB 23KB [ 48.179319] bio-0 221KB 221KB [ 48.184663] biovec-(1<<(21-12)) 379KB 379KB [ 48.190178] biovec-128 46KB 51KB [ 48.195526] biovec-64 19KB 31KB [ 48.200868] biovec-16 7KB 11KB [ 48.206209] bio_integrity_payload 0KB 4KB [ 48.211916] khugepaged_mm_slot 0KB 3KB [ 48.217374] uid_cache 0KB 3KB [ 48.222727] dmaengine-unmap-2 0KB 3KB [ 48.228083] audit_buffer 0KB 3KB [ 48.233432] skbuff_fclone_cache 130KB 135KB [ 48.238951] skbuff_head_cache 1802KB 1807KB [ 48.244293] configfs_dir_cache 0KB 4KB [ 48.249726] file_lock_cache 157KB 158KB [ 48.255067] file_lock_ctx 1KB 3KB [ 48.260415] fsnotify_mark_connector 2KB 3KB [ 48.266300] shmem_inode_cache 1037KB 1038KB [ 48.271670] task_delay_info 301KB 336KB [ 48.277037] sigqueue 335KB 338KB [ 48.282407] kernfs_node_cache 2157KB 2161KB [ 48.287774] mnt_cache 15KB 20KB [ 48.293142] filp 8745KB 8868KB [ 48.298512] names_cache 113492KB 113530KB [ 48.303887] avc_node 38KB 43KB [ 48.309243] selinux_file_security 438KB 453KB [ 48.314933] selinux_inode_security 1924KB 1928KB [ 48.320728] key_jar 3KB 7KB [ 48.326098] nsproxy 0KB 3KB [ 48.331456] vm_area_struct 17688KB 17700KB [ 48.336819] mm_struct 4225KB 4234KB [ 48.342187] fs_cache 402KB 440KB [ 48.347538] files_cache 1481KB 1485KB [ 48.352880] signal_cache 2364KB 2371KB [ 48.358222] sighand_cache 217KB 291KB [ 48.363564] task_struct 10094KB 10106KB [ 48.368921] cred_jar 2252KB 2256KB [ 48.374273] anon_vma_chain 7300KB 7304KB [ 48.379619] anon_vma 160KB 269KB [ 48.384979] pid 206KB 240KB [ 48.390334] Acpi-Operand 106KB 170KB [ 48.395683] Acpi-Namespace 19KB 23KB [ 48.401046] numa_policy 0KB 3KB [ 48.406419] debug_objects_cache 488KB 489KB [ 48.411958] trace_event_file 145KB 147KB [ 48.417320] ftrace_event_field 257KB 259KB [ 48.422763] pool_workqueue 22KB 24KB [ 48.428111] page->ptl 2912KB 2917KB [ 48.433465] kmalloc-262144 1032KB 1032KB [ 48.438806] kmalloc-131072 650KB 650KB [ 48.444153] kmalloc-65536 264KB 264KB [ 48.449516] kmalloc-32768 627KB 627KB [ 48.454871] kmalloc-16384 148KB 148KB [ 48.460221] kmalloc-8192 503KB 503KB [ 48.465570] kmalloc-4096 9277KB 9316KB [ 48.470914] kmalloc-2048 3102KB 3104KB [ 48.476282] kmalloc-1024 3362KB 3362KB [ 48.481625] kmalloc-512 2624KB 2872KB [ 48.486965] kmalloc-256 2118KB 2512KB [ 48.492313] kmalloc-128 394KB 523KB [ 48.497672] kmalloc-96 268KB 384KB [ 48.503042] kmalloc-64 705KB 840KB [ 48.508403] kmalloc-32 1873KB 2212KB [ 48.513766] kmalloc-192 193KB 240KB [ 48.519130] kmem_cache 99KB 105KB [ 48.524496] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 48.533083] [ 1773] 0 1773 5385 171 81920 0 -1000 udevd [ 48.541212] [ 3307] 0 3307 30583 91 126976 0 0 rsyslogd [ 48.549602] [ 3358] 0 3358 4725 50 90112 0 0 cron [ 48.557646] [ 3381] 0 3381 3735 44 61440 0 0 mcstransd [ 48.566121] [ 3399] 0 3399 12490 152 135168 0 -1000 sshd [ 48.574159] [ 3433] 0 3433 3694 40 77824 0 0 getty [ 48.582288] [ 3434] 0 3434 3694 39 77824 0 0 getty [ 48.590413] [ 3435] 0 3435 3694 38 69632 0 0 getty [ 48.598542] [ 3436] 0 3436 3694 41 73728 0 0 getty [ 48.606674] [ 3437] 0 3437 3694 41 73728 0 0 getty [ 48.614803] [ 3438] 0 3438 3694 41 77824 0 0 getty [ 48.622935] [ 3439] 0 3439 3649 40 73728 0 0 getty [ 48.631077] [ 3441] 0 3441 5681 454 81920 0 -1000 udevd [ 48.639236] [ 3442] 0 3442 5681 454 81920 0 -1000 udevd [ 48.647389] [ 3462] 0 3462 17821 197 188416 0 0 sshd [ 48.655452] [ 3464] 0 3464 280 1 32768 0 0 syzkaller138911 [ 48.664479] [ 3465] 0 3465 4375 524 36864 0 0 syzkaller138911 [ 48.673809] [ 3466] 0 3466 4375 524 36864 0 0 syzkaller138911 [ 48.682820] [ 3467] 0 3467 4375 524 36864 0 0 syzkaller138911 [ 48.691821] [ 3468] 0 3468 4375 524 36864 0 0 syzkaller138911 [ 48.700817] [ 3469] 0 3469 4375 524 36864 0 0 syzkaller138911 [ 48.709818] [ 3470] 0 3470 4375 524 36864 0 0 syzkaller138911 [ 48.718814] [ 3471] 0 3471 4375 524 36864 0 0 syzkaller138911 [ 48.727826] [ 3472] 0 3472 4375 524 36864 0 0 syzkaller138911 [ 48.736862] Out of memory: Kill process 3465 (syzkaller138911) score 0 or sacrifice child [ 48.745231] Killed process 3465 (syzkaller138911) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 48.757973] oom_reaper: reaped process 3465 (syzkaller138911), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 48.840231] syzkaller138911 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 48.865784] syzkaller138911 cpuset=/ mems_allowed=0 [ 48.870874] CPU: 1 PID: 3470 Comm: syzkaller138911 Not tainted 4.15.0-rc6-next-20180103+ #87 [ 48.879431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.888764] Call Trace: [ 48.891336] dump_stack+0x137/0x198 [ 48.894953] dump_header+0x163/0x790 [ 48.898654] ? ___ratelimit+0x53/0x550 [ 48.902536] oom_kill_process+0x550/0x650 [ 48.906662] ? lock_downgrade+0x860/0x860 [ 48.910793] ? oom_evaluate_task+0x284/0x480 [ 48.915187] out_of_memory+0x95e/0x15c0 [ 48.919155] ? oom_killer_disable+0x210/0x210 [ 48.923634] ? mutex_trylock+0x172/0x1c0 [ 48.927674] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 48.932682] __alloc_pages_slowpath+0x1eef/0x25c0 [ 48.937536] ? warn_alloc+0x260/0x260 [ 48.941322] ? __lock_is_held+0xb6/0x140 [ 48.945386] ? __might_sleep+0x95/0x190 [ 48.949346] __alloc_pages_nodemask+0x5aa/0x700 [ 48.953998] ? __schedule+0x858/0x1e10 [ 48.957867] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 48.962876] ? __lock_is_held+0xb6/0x140 [ 48.966929] alloc_pages_current+0xb6/0x1e0 [ 48.971236] __vmalloc_node_range+0x409/0x650 [ 48.975726] ? xt_alloc_table_info+0x64/0xe0 [ 48.980119] __vmalloc_node_flags_caller+0x50/0x60 [ 48.985028] ? xt_alloc_table_info+0x64/0xe0 [ 48.989417] kvmalloc_node+0x82/0xd0 [ 48.993119] xt_alloc_table_info+0x64/0xe0 [ 48.997337] do_ipt_set_ctl+0x221/0x430 [ 49.001295] ? translate_compat_table+0x17e0/0x17e0 [ 49.006309] ? mutex_unlock+0xd/0x10 [ 49.010004] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 49.015266] nf_setsockopt+0x67/0xc0 [ 49.018965] ip_setsockopt+0xa1/0xb0 [ 49.022664] tcp_setsockopt+0x82/0xd0 [ 49.026451] sock_common_setsockopt+0x95/0xd0 [ 49.030934] SyS_setsockopt+0x158/0x240 [ 49.034893] ? SyS_recv+0x40/0x40 [ 49.038329] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 49.043155] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.048154] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.052899] entry_SYSCALL_64_fastpath+0x23/0x9a [ 49.057632] RIP: 0033:0x440339 [ 49.060800] RSP: 002b:00007ffccdd6aec8 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 49.068488] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440339 [ 49.075734] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 49.082981] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 49.090227] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018a0 [ 49.097472] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000 [ 49.104851] Mem-Info: [ 49.120823] active_anon:5521 inactive_anon:62 isolated_anon:0 [ 49.120823] active_file:1072 inactive_file:1141 isolated_file:32 [ 49.120823] unevictable:0 dirty:2213 writeback:0 unstable:0 [ 49.120823] slab_reclaimable:7191 slab_unreclaimable:83167 [ 49.120823] mapped:2 shmem:68 pagetables:304 bounce:0 [ 49.120823] free:15757 free_pcp:30 free_cma:0 [ 49.164319] Node 0 active_anon:22084kB inactive_anon:248kB active_file:4188kB inactive_file:4180kB unevictable:0kB isolated(anon):0kB isolated(file):512kB mapped:8kB dirty:8852kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 49.195767] 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 [ 49.233874] lowmem_reserve[]: 0 2881 6392 6392 [ 49.241360] Node 0 DMA32 free:29044kB 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:2952584kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.276333] lowmem_reserve[]: 0 0 3511 3511 [ 49.283371] Node 0 Normal free:18196kB min:37032kB low:46288kB high:55544kB active_anon:22084kB inactive_anon:248kB active_file:4160kB inactive_file:4436kB unevictable:0kB writepending:8864kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:3008kB pagetables:1216kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 49.315519] lowmem_reserve[]: 0 0 0 0 [ 49.322038] 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 [ 49.347479] Node 0 DMA32: 3*4kB (UM) 0*8kB 2*16kB (M) 2*32kB (UM) 4*64kB (UM) 3*128kB (M) 3*256kB (M) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 5*4096kB (M) = 29164kB [ 49.362350] Node 0 Normal: 329*4kB (ME) 266*8kB (UM) 162*16kB (M) 120*32kB (UM) 48*64kB (M) 25*128kB (M) 8*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18196kB [ 49.381750] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 49.396509] 2292 total pagecache pages [ 49.411331] 0 pages in swap cache [ 49.417701] Swap cache stats: add 0, delete 0, find 0/0 [ 49.425735] Free swap = 0kB [ 49.431421] Total swap = 0kB [ 49.437215] 1965979 pages RAM [ 49.442913] 0 pages HighMem/MovableOnly [ 49.449661] 324876 pages reserved [ 49.455743] Unreclaimable slab info: [ 49.462295] Name Used Total [ 49.470637] hashtab_node 118KB 119KB [ 49.478769] ebitmap_node 387KB 389KB [ 49.486971] avtab_node 1012KB 1013KB [ 49.497258] TIPC 1KB 7KB [ 49.506661] SCTPv6 2KB 4KB [ 49.537620] DCCPv6 2KB 7KB [ 49.545777] DCCP 2KB 6KB [ 49.553845] fib6_nodes 0KB 4KB [ 49.561967] ip6_dst_cache 5KB 7KB [ 49.570103] RAWv6 9KB 13KB [ 49.578224] UDPv6 12KB 14KB [ 49.586321] TCPv6 2KB 5KB [ 49.594402] sd_ext_cdb 0KB 3KB [ 49.607662] scsi_sense_cache 69KB 108KB [ 49.615742] virtio_scsi_cmd 16KB 16KB [ 49.621122] sgpool-128 8KB 8KB [ 49.626489] sgpool-64 4KB 6KB [ 49.633723] sgpool-32 70KB 70KB [ 49.667930] sgpool-16 15KB 18KB [ 49.676156] sgpool-8 156KB 176KB [ 49.684351] cfq_io_cq 15KB 19KB [ 49.692651] cfq_queue 23KB 27KB [ 49.700866] mqueue_inode_cache 1KB 7KB [ 49.709507] nfs_commit_data 3KB 7KB [ 49.728235] nfs_write_data 34KB 37KB [ 49.736539] jbd2_inode 1KB 3KB [ 49.744775] ext4_system_zone 0KB 3KB [ 49.752959] bio-1 1KB 3KB [ 49.771806] rpc_buffers 17KB 19KB [ 49.777185] rpc_tasks 2KB 3KB [ 49.782551] UNIX 773KB 773KB [ 49.787915] tcp_bind_bucket 0KB 4KB [ 49.793288] ip_fib_trie 0KB 3KB [ 49.798651] ip_fib_alias 0KB 3KB [ 49.804030] ip_dst_cache 5KB 8KB [ 49.809392] RAW 5KB 7KB [ 49.814757] UDP 29KB 31KB [ 49.820123] request_sock_TCP 0KB 3KB [ 49.827698] TCP 31KB 39KB [ 49.833068] hugetlbfs_inode_cache 1KB 7KB [ 49.838780] eventpoll_pwq 9KB 11KB [ 49.844141] eventpoll_epi 17KB 19KB [ 49.849505] inotify_inode_mark 3KB 7KB [ 49.854957] request_queue 31KB 45KB [ 49.860319] blkdev_ioc 21KB 23KB [ 49.865681] bio-0 228KB 228KB [ 49.871044] biovec-(1<<(21-12)) 404KB 404KB [ 49.876580] biovec-128 46KB 51KB [ 49.881942] biovec-64 19KB 31KB [ 49.887310] biovec-16 7KB 11KB [ 49.892695] bio_integrity_payload 0KB 4KB [ 49.899531] khugepaged_mm_slot 0KB 3KB [ 49.905430] uid_cache 0KB 3KB [ 49.910794] dmaengine-unmap-2 0KB 3KB [ 49.916158] audit_buffer 0KB 3KB [ 49.921524] skbuff_fclone_cache 130KB 135KB [ 49.927059] skbuff_head_cache 1802KB 1807KB [ 49.932423] configfs_dir_cache 0KB 4KB [ 49.939908] file_lock_cache 157KB 158KB [ 49.945281] file_lock_ctx 1KB 3KB [ 49.950645] fsnotify_mark_connector 2KB 3KB [ 49.956558] shmem_inode_cache 1037KB 1038KB [ 49.963039] task_delay_info 301KB 336KB [ 49.970810] sigqueue 335KB 338KB [ 49.978812] kernfs_node_cache 2157KB 2161KB [ 49.986860] mnt_cache 15KB 20KB [ 49.994915] filp 8745KB 8868KB [ 50.002917] names_cache 113492KB 113530KB [ 50.020261] avc_node 38KB 43KB [ 50.028297] selinux_file_security 438KB 453KB [ 50.036656] selinux_inode_security 1924KB 1928KB [ 50.045287] key_jar 3KB 7KB [ 50.055467] nsproxy 0KB 3KB [ 50.063595] vm_area_struct 17688KB 17700KB [ 50.071739] mm_struct 4225KB 4234KB [ 50.079784] fs_cache 402KB 440KB [ 50.087988] files_cache 1481KB 1485KB [ 50.095972] signal_cache 2364KB 2371KB [ 50.103999] sighand_cache 217KB 291KB [ 50.111941] task_struct 10094KB 10106KB [ 50.119973] cred_jar 2252KB 2256KB [ 50.127990] anon_vma_chain 7300KB 7304KB [ 50.135983] anon_vma 160KB 269KB [ 50.144044] pid 206KB 240KB [ 50.149526] Acpi-Operand 106KB 170KB [ 50.154894] Acpi-Namespace 19KB 23KB [ 50.162556] numa_policy 0KB 3KB [ 50.167921] debug_objects_cache 488KB 489KB [ 50.173460] trace_event_file 145KB 147KB [ 50.178824] ftrace_event_field 257KB 259KB [ 50.184281] pool_workqueue 22KB 24KB [ 50.189649] page->ptl 2912KB 2917KB [ 50.195050] kmalloc-262144 1032KB 1032KB [ 50.200425] kmalloc-131072 650KB 650KB [ 50.205791] kmalloc-65536 264KB 264KB [ 50.211156] kmalloc-32768 627KB 627KB [ 50.216554] kmalloc-16384 148KB 148KB [ 50.224715] kmalloc-8192 503KB 503KB [ 50.232690] kmalloc-4096 9277KB 9316KB [ 50.240760] kmalloc-2048 3102KB 3104KB [ 50.248731] kmalloc-1024 3386KB 3386KB [ 50.262830] kmalloc-512 2624KB 2872KB [ 50.273188] kmalloc-256 2118KB 2512KB [ 50.281291] kmalloc-128 394KB 523KB [ 50.302808] kmalloc-96 268KB 384KB [ 50.311466] kmalloc-64 705KB 840KB [ 50.320372] kmalloc-32 1873KB 2212KB [ 50.332337] kmalloc-192 193KB 240KB [ 50.352078] kmem_cache 99KB 105KB [ 50.379709] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 50.391229] [ 1773] 0 1773 5385 171 81920 0 -1000 udevd [ 50.399402] [ 3307] 0 3307 30583 91 126976 0 0 rsyslogd [ 50.407813] [ 3358] 0 3358 4725 50 90112 0 0 cron [ 50.415885] [ 3381] 0 3381 3735 44 61440 0 0 mcstransd [ 50.424387] [ 3399] 0 3399 12490 152 135168 0 -1000 sshd [ 50.432453] [ 3433] 0 3433 3694 40 77824 0 0 getty [ 50.440601] [ 3434] 0 3434 3694 39 77824 0 0 getty [ 50.448749] [ 3435] 0 3435 3694 38 69632 0 0 getty [ 50.456896] [ 3436] 0 3436 3694 41 73728 0 0 getty [ 50.465045] [ 3437] 0 3437 3694 41 73728 0 0 getty [ 50.473191] [ 3438] 0 3438 3694 41 77824 0 0 getty [ 50.481366] [ 3439] 0 3439 3649 40 73728 0 0 getty [ 50.489514] [ 3441] 0 3441 5681 454 81920 0 -1000 udevd [ 50.497665] [ 3442] 0 3442 5681 454 81920 0 -1000 udevd [ 50.505830] [ 3462] 0 3462 17821 197 188416 0 0 sshd [ 50.513896] [ 3464] 0 3464 280 1 32768 0 0 syzkaller138911 [ 50.522914] [ 3465] 0 3465 4375 0 32768 0 0 syzkaller138911 [ 50.531932] [ 3466] 0 3466 4375 524 36864 0 0 syzkaller138911 [ 50.540951] [ 3467] 0 3467 4375 524 36864 0 0 syzkaller138911 [ 50.549983] [ 3468] 0 3468 4375 524 36864 0 0 syzkaller138911 [ 50.559010] [ 3469] 0 3469 4375 524 36864 0 0 syzkaller138911 [ 50.568044] [ 3470] 0 3470 4375 524 36864 0 0 syzkaller138911 [ 50.577059] [ 3471] 0 3471 4375 524 36864 0 0 syzkaller138911 [ 50.586075] [ 3472] 0 3472 4375 524 36864 0 0 syzkaller138911 [ 50.595084] Out of memory: Kill process 3466 (syzkaller138911) score 0 or sacrifice child [ 50.603587] Killed process 3466 (syzkaller138911) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 50.616066] oom_reaper: reaped process 3466 (syzkaller138911), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 50.647297] syzkaller138911 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 50.662857] syzkaller138911 cpuset=/ mems_allowed=0 [ 50.668031] CPU: 1 PID: 3469 Comm: syzkaller138911 Not tainted 4.15.0-rc6-next-20180103+ #87 [ 50.676581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.685912] Call Trace: [ 50.688483] dump_stack+0x137/0x198 [ 50.692102] dump_header+0x163/0x790 [ 50.695799] ? ___ratelimit+0x53/0x550 [ 50.699673] oom_kill_process+0x550/0x650 [ 50.703801] ? lock_downgrade+0x860/0x860 [ 50.707934] ? oom_evaluate_task+0x284/0x480 [ 50.712332] out_of_memory+0x95e/0x15c0 [ 50.716300] ? oom_killer_disable+0x210/0x210 [ 50.720779] ? mutex_trylock+0x172/0x1c0 [ 50.724816] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 50.729819] __alloc_pages_slowpath+0x1eef/0x25c0 [ 50.734673] ? warn_alloc+0x260/0x260 [ 50.738462] ? __lock_is_held+0xb6/0x140 [ 50.742523] ? __might_sleep+0x95/0x190 [ 50.746486] __alloc_pages_nodemask+0x5aa/0x700 [ 50.751134] ? __schedule+0x858/0x1e10 [ 50.755003] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 50.760002] ? __lock_is_held+0xb6/0x140 [ 50.764058] alloc_pages_current+0xb6/0x1e0 [ 50.768364] __vmalloc_node_range+0x409/0x650 [ 50.772853] ? xt_alloc_table_info+0x64/0xe0 [ 50.777244] __vmalloc_node_flags_caller+0x50/0x60 [ 50.782155] ? xt_alloc_table_info+0x64/0xe0 [ 50.786549] kvmalloc_node+0x82/0xd0 [ 50.790248] xt_alloc_table_info+0x64/0xe0 [ 50.794469] do_ipt_set_ctl+0x221/0x430 [ 50.798426] ? translate_compat_table+0x17e0/0x17e0 [ 50.803438] ? mutex_unlock+0xd/0x10 [ 50.807133] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 50.812396] nf_setsockopt+0x67/0xc0 [ 50.816097] ip_setsockopt+0xa1/0xb0 [ 50.819796] tcp_setsockopt+0x82/0xd0 [ 50.823581] sock_common_setsockopt+0x95/0xd0 [ 50.828061] SyS_setsockopt+0x158/0x240 [ 50.832018] ? SyS_recv+0x40/0x40 [ 50.835455] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 50.840282] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 50.845281] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 50.850025] entry_SYSCALL_64_fastpath+0x23/0x9a [ 50.854754] RIP: 0033:0x440339 [ 50.857920] RSP: 002b:00007ffccdd6aec8 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 50.865610] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440339 [ 50.872855] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 50.880106] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 50.887352] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018a0 [ 50.894597] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000 [ 50.901982] Mem-Info: [ 50.908394] active_anon:5004 inactive_anon:62 isolated_anon:0 [ 50.908394] active_file:1027 inactive_file:1128 isolated_file:64 [ 50.908394] unevictable:0 dirty:2190 writeback:0 unstable:0 [ 50.908394] slab_reclaimable:7191 slab_unreclaimable:83189 [ 50.908394] mapped:2 shmem:68 pagetables:303 bounce:0 [ 50.908394] free:15895 free_pcp:36 free_cma:0 [ 50.944799] Node 0 active_anon:20016kB inactive_anon:248kB active_file:4108kB inactive_file:4540kB unevictable:0kB isolated(anon):0kB isolated(file):256kB mapped:8kB dirty:8760kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 50.977188] 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 [ 51.022828] lowmem_reserve[]: 0 2881 6392 6392 [ 51.028409] Node 0 DMA32 free:29164kB 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:2952584kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.077839] lowmem_reserve[]: 0 0 3511 3511 [ 51.092889] Node 0 Normal free:18012kB min:37032kB low:46288kB high:55544kB active_anon:20016kB inactive_anon:248kB active_file:4108kB inactive_file:4612kB unevictable:0kB writepending:8760kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:3008kB pagetables:1212kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 51.135417] lowmem_reserve[]: 0 0 0 0 [ 51.144663] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 51.170139] Node 0 DMA32: 3*4kB (UM) 0*8kB 2*16kB (M) 2*32kB (UM) 4*64kB (UM) 3*128kB (M) 3*256kB (M) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 5*4096kB (M) = 29164kB [ 51.197416] Node 0 Normal: 318*4kB (UME) 259*8kB (M) 160*16kB (UM) 119*32kB (UM) 48*64kB (UM) 25*128kB (UM) 8*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18032kB [ 51.227906] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.249563] 2283 total pagecache pages [ 51.258775] 0 pages in swap cache [ 51.273753] Swap cache stats: add 0, delete 0, find 0/0 [ 51.283896] Free swap = 0kB [ 51.297771] Total swap = 0kB [ 51.306199] 1965979 pages RAM [ 51.314661] 0 pages HighMem/MovableOnly [ 51.330220] 324876 pages reserved [ 51.340182] Unreclaimable slab info: [ 51.348217] Name Used Total [ 51.367983] hashtab_node 118KB 119KB [ 51.377778] ebitmap_node 387KB 389KB [ 51.394088] avtab_node 1012KB 1013KB [ 51.418555] TIPC 1KB 7KB [ 51.434850] SCTPv6 2KB 4KB [ 51.459589] DCCPv6 2KB 7KB [ 51.469791] DCCP 2KB 6KB [ 51.477792] fib6_nodes 0KB 4KB [ 51.485974] ip6_dst_cache 5KB 7KB [ 51.494166] RAWv6 9KB 13KB [ 51.502087] UDPv6 12KB 14KB [ 51.510289] TCPv6 2KB 5KB [ 51.518478] sd_ext_cdb 0KB 3KB [ 51.531857] scsi_sense_cache 69KB 108KB [ 51.548087] virtio_scsi_cmd 16KB 16KB [ 51.571955] sgpool-128 8KB 8KB [ 51.581077] sgpool-64 4KB 6KB [ 51.589992] sgpool-32 70KB 70KB [ 51.598887] sgpool-16 15KB 18KB [ 51.607715] sgpool-8 156KB 176KB [ 51.621284] cfq_io_cq 15KB 19KB [ 51.634850] cfq_queue 23KB 27KB [ 51.644404] mqueue_inode_cache 1KB 7KB [ 51.652561] nfs_commit_data 3KB 7KB [ 51.665592] nfs_write_data 34KB 37KB [ 51.681798] jbd2_inode 1KB 3KB [ 51.689905] ext4_system_zone 0KB 3KB [ 51.698201] bio-1 1KB 3KB [ 51.706554] rpc_buffers 17KB 19KB [ 51.714815] rpc_tasks 2KB 3KB [ 51.720800] UNIX 773KB 773KB [ 51.739091] tcp_bind_bucket 0KB 4KB [ 51.746676] ip_fib_trie 0KB 3KB [ 51.754816] ip_fib_alias 0KB 3KB [ 51.762867] ip_dst_cache 5KB 8KB [ 51.768347] RAW 5KB 7KB [ 51.773710] UDP 29KB 31KB [ 51.779072] request_sock_TCP 0KB 3KB [ 51.786900] TCP 31KB 39KB [ 51.799906] hugetlbfs_inode_cache 1KB 7KB [ 51.808295] eventpoll_pwq 9KB 11KB [ 51.816226] eventpoll_epi 17KB 19KB [ 51.840802] inotify_inode_mark 3KB 7KB [ 51.855847] request_queue 31KB 45KB [ 51.878980] blkdev_ioc 21KB 23KB [ 51.902220] bio-0 228KB 228KB [ 51.912300] biovec-(1<<(21-12)) 404KB 404KB [ 51.920507] biovec-128 46KB 51KB [ 51.928579] biovec-64 19KB 31KB [ 51.936548] biovec-16 7KB 11KB [ 51.953570] bio_integrity_payload 0KB 4KB [ 51.963805] khugepaged_mm_slot 0KB 3KB [ 51.971942] uid_cache 0KB 3KB [ 51.979928] dmaengine-unmap-2 0KB 3KB [ 51.988083] audit_buffer 0KB 3KB [ 51.996821] skbuff_fclone_cache 130KB 135KB [ 52.005151] skbuff_head_cache 1802KB 1807KB [ 52.013272] configfs_dir_cache 0KB 4KB [ 52.033780] file_lock_cache 157KB 158KB [ 52.039153] file_lock_ctx 1KB 3KB [ 52.045651] fsnotify_mark_connector 2KB 3KB [ 52.054429] shmem_inode_cache 1037KB 1038KB [ 52.062622] task_delay_info 301KB 336KB [ 52.070839] sigqueue 335KB 338KB [ 52.082524] kernfs_node_cache 2157KB 2161KB [ 52.095924] mnt_cache 15KB 20KB [ 52.112728] filp 8745KB 8868KB [ 52.132382] names_cache 113492KB 113530KB [ 52.155498] avc_node 38KB 43KB [ 52.171215] selinux_file_security 438KB 453KB [ 52.188920] selinux_inode_security 1924KB 1928KB [ 52.206609] key_jar 3KB 7KB [ 52.223750] nsproxy 0KB 3KB [ 52.242508] vm_area_struct 17688KB 17700KB [ 52.249119] mm_struct 4225KB 4234KB [ 52.257877] fs_cache 402KB 440KB [ 52.274207] files_cache 1481KB 1485KB [ 52.287772] signal_cache 2364KB 2371KB [ 52.307210] sighand_cache 217KB 291KB [ 52.324791] task_struct 10094KB 10106KB [ 52.343702] cred_jar 2252KB 2256KB [ 52.351767] anon_vma_chain 7300KB 7304KB [ 52.359779] anon_vma 160KB 269KB [ 52.367819] pid 206KB 240KB [ 52.383931] Acpi-Operand 106KB 170KB [ 52.398321] syzkaller138911: vmalloc: allocation failure, allocated 707846144 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 52.398328] syzkaller138911 cpuset=/ mems_allowed=0 [ 52.398372] CPU: 0 PID: 3465 Comm: syzkaller138911 Not tainted 4.15.0-rc6-next-20180103+ #87 [ 52.398376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.398379] Call Trace: [ 52.398394] dump_stack+0x137/0x198 [ 52.398413] warn_alloc+0x160/0x260 [ 52.398425] ? zone_watermark_ok_safe+0x260/0x260 [ 52.398470] __vmalloc_node_range+0x482/0x650 [ 52.398493] ? xt_alloc_table_info+0x64/0xe0 [ 52.398503] __vmalloc_node_flags_caller+0x50/0x60 [ 52.398512] ? xt_alloc_table_info+0x64/0xe0 [ 52.398527] kvmalloc_node+0x82/0xd0 [ 52.398539] xt_alloc_table_info+0x64/0xe0 [ 52.398552] do_ipt_set_ctl+0x221/0x430 [ 52.398565] ? translate_compat_table+0x17e0/0x17e0 [ 52.398592] ? mutex_unlock+0xd/0x10 [ 52.398603] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 52.398618] nf_setsockopt+0x67/0xc0 [ 52.398632] ip_setsockopt+0xa1/0xb0 [ 52.398646] tcp_setsockopt+0x82/0xd0 [ 52.398664] sock_common_setsockopt+0x95/0xd0 [ 52.398679] SyS_setsockopt+0x158/0x240 [ 52.398693] ? SyS_recv+0x40/0x40 [ 52.398705] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 52.398718] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 52.398731] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 52.398750] entry_SYSCALL_64_fastpath+0x23/0x9a [ 52.398757] RIP: 0033:0x440339 [ 52.398761] RSP: 002b:00007ffccdd6aec8 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 52.398769] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440339 [ 52.398774] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 52.398778] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 52.398782] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018a0 [ 52.398787] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000 [ 52.398865] Mem-Info: [ 52.398881] active_anon:5004 inactive_anon:62 isolated_anon:0 [ 52.398881] active_file:1027 inactive_file:1141 isolated_file:64 [ 52.398881] unevictable:0 dirty:2190 writeback:0 unstable:0 [ 52.398881] slab_reclaimable:7191 slab_unreclaimable:83189 [ 52.398881] mapped:2 shmem:68 pagetables:303 bounce:0 [ 52.398881] free:15776 free_pcp:30 free_cma:0 [ 52.398895] Node 0 active_anon:20016kB inactive_anon:248kB active_file:4108kB inactive_file:4564kB unevictable:0kB isolated(anon):0kB isolated(file):256kB mapped:8kB dirty:8760kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 52.398897] 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 [ 52.398914] lowmem_reserve[]: 0 2881 6392 6392 [ 52.398928] Node 0 DMA32 free:29164kB 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:2952584kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 52.398945] lowmem_reserve[]: 0 0 3511 3511 [ 52.398958] Node 0 Normal free:18032kB min:37032kB low:46288kB high:55544kB active_anon:20016kB inactive_anon:248kB active_file:4108kB inactive_file:4536kB unevictable:0kB writepending:8760kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:3008kB pagetables:1212kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 52.398975] lowmem_reserve[]: 0 0 0 0 [ 52.398988] 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 [ 52.399087] Node 0 DMA32: 3*4kB (UM) 0*8kB 2*16kB (M) 2*32kB (UM) 4*64kB (UM) 3*128kB (M) 3*256kB (M) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 5*4096kB (M) = 29164kB [ 52.399146] Node 0 Normal: 318*4kB (UME) 259*8kB (M) 160*16kB (UM) 119*32kB (UM) 48*64kB (UM) 25*128kB (UM) 8*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18032kB [ 52.399203] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 52.399206] 2283 total pagecache pages [ 52.399214] 0 pages in swap cache [ 52.399218] Swap cache stats: add 0, delete 0, find 0/0 [ 52.399221] Free swap = 0kB [ 52.399224] Total swap = 0kB [ 52.399227] 1965979 pages RAM [ 52.399229] 0 pages HighMem/MovableOnly [ 52.399232] 324876 pages reserved [ 52.762059] syzkaller138911: vmalloc: allocation failure, allocated 806408192 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 52.762065] syzkaller138911 cpuset=/ mems_allowed=0 [ 52.762083] CPU: 1 PID: 3466 Comm: syzkaller138911 Not tainted 4.15.0-rc6-next-20180103+ #87 [ 52.762087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.762090] Call Trace: [ 52.762106] dump_stack+0x137/0x198 [ 52.762125] warn_alloc+0x160/0x260 [ 52.762138] ? zone_watermark_ok_safe+0x260/0x260 [ 52.762183] __vmalloc_node_range+0x482/0x650 [ 52.762206] ? xt_alloc_table_info+0x64/0xe0 [ 52.762216] __vmalloc_node_flags_caller+0x50/0x60 [ 52.762225] ? xt_alloc_table_info+0x64/0xe0 [ 52.762241] kvmalloc_node+0x82/0xd0 [ 52.762253] xt_alloc_table_info+0x64/0xe0 [ 52.762267] do_ipt_set_ctl+0x221/0x430 [ 52.762281] ? translate_compat_table+0x17e0/0x17e0 [ 52.762309] ? mutex_unlock+0xd/0x10 [ 52.762319] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 52.762335] nf_setsockopt+0x67/0xc0 [ 52.762349] ip_setsockopt+0xa1/0xb0 [ 52.762364] tcp_setsockopt+0x82/0xd0 [ 52.762382] sock_common_setsockopt+0x95/0xd0 [ 52.762398] SyS_setsockopt+0x158/0x240 [ 52.762412] ? SyS_recv+0x40/0x40 [ 52.762423] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 52.762437] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 52.762450] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 52.762469] entry_SYSCALL_64_fastpath+0x23/0x9a [ 52.762475] RIP: 0033:0x440339 [ 52.762479] RSP: 002b:00007ffccdd6aec8 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 52.762488] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440339 [ 52.762492] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 52.762496] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 52.762501] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018a0 [ 52.762505] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000 [ 54.345750] Acpi-Namespace 19KB 23KB [ 54.351372] numa_policy 0KB 3KB [ 54.356732] debug_objects_cache 488KB 489KB [ 54.362249] trace_event_file 145KB 147KB [ 54.367589] ftrace_event_field 257KB 259KB [ 54.373022] pool_workqueue 22KB 24KB [ 54.378363] page->ptl 2912KB 2917KB [ 54.383712] kmalloc-262144 1032KB 1032KB [ 54.389055] kmalloc-131072 650KB 650KB [ 54.394395] kmalloc-65536 264KB 264KB [ 54.399734] kmalloc-32768 627KB 627KB [ 54.405072] kmalloc-16384 148KB 148KB [ 54.410411] kmalloc-8192 503KB 503KB [ 54.415752] kmalloc-4096 9005KB 9044KB [ 54.421091] kmalloc-2048 3102KB 3104KB [ 54.426433] kmalloc-1024 3504KB 3504KB [ 54.431780] kmalloc-512 2624KB 2872KB [ 54.437120] kmalloc-256 2118KB 2512KB [ 54.442459] kmalloc-128 394KB 523KB [ 54.448153] kmalloc-96 278KB 384KB [ 54.453499] kmalloc-64 705KB 840KB [ 54.458858] kmalloc-32 1873KB 2212KB [ 54.464208] kmalloc-192 193KB 240KB [ 54.469549] kmem_cache 99KB 105KB [ 54.474890] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 54.483466] [ 1773] 0 1773 5385 171 81920 0 -1000 udevd [ 54.491593] [ 3307] 0 3307 30583 144 126976 0 0 rsyslogd [ 54.499990] [ 3358] 0 3358 4725 50 90112 0 0 cron [ 54.508028] [ 3381] 0 3381 3735 44 61440 0 0 mcstransd [ 54.516501] [ 3399] 0 3399 12490 152 135168 0 -1000 sshd [ 54.524548] [ 3433] 0 3433 3694 40 77824 0 0 getty [ 54.532674] [ 3434] 0 3434 3694 39 77824 0 0 getty [ 54.540798] [ 3435] 0 3435 3694 38 69632 0 0 getty [ 54.548920] [ 3436] 0 3436 3694 41 73728 0 0 getty [ 54.557076] [ 3437] 0 3437 3694 41 73728 0 0 getty [ 54.565210] [ 3438] 0 3438 3694 41 77824 0 0 getty [ 54.573336] [ 3439] 0 3439 3649 40 73728 0 0 getty [ 54.581462] [ 3441] 0 3441 5681 454 81920 0 -1000 udevd [ 54.589596] [ 3442] 0 3442 5681 454 81920 0 -1000 udevd [ 54.597724] [ 3462] 0 3462 17821 197 188416 0 0 sshd [ 54.605771] [ 3464] 0 3464 280 1 32768 0 0 syzkaller138911 [ 54.614769] [ 3467] 0 3467 4375 524 36864 0 0 syzkaller138911 [ 54.623758] [ 3468] 0 3468 4375 524 36864 0 0 syzkaller138911 [ 54.632750] [ 3469] 0 3469 4375 524 36864 0 0 syzkaller138911 [ 54.641742] [ 3470] 0 3470 4375 524 36864 0 0 syzkaller138911 [ 54.650739] [ 3471] 0 3471 4375 524 36864 0 0 syzkaller138911 [ 54.659737] [ 3472] 0 3472 4375 524 36864 0 0 syzkaller138911 [ 54.669061] Out of memory: Kill process 3467 (syzkaller138911) score 0 or sacrifice child [ 54.677371] Killed process 3467 (syzkaller138911) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 54.689608] oom_reaper: reaped process 3467 (syzkaller138911), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 54.699752] syzkaller138911 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 54.713195] syzkaller138911 cpuset=/ mems_allowed=0 [ 54.718202] CPU: 0 PID: 3469 Comm: syzkaller138911 Not tainted 4.15.0-rc6-next-20180103+ #87 [ 54.726742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.736063] Call Trace: [ 54.738622] dump_stack+0x137/0x198 [ 54.742221] dump_header+0x163/0x790 [ 54.745901] ? ___ratelimit+0x53/0x550 [ 54.749755] oom_kill_process+0x550/0x650 [ 54.753868] ? lock_downgrade+0x860/0x860 [ 54.757987] ? oom_evaluate_task+0x284/0x480 [ 54.762379] out_of_memory+0x95e/0x15c0 [ 54.766347] ? oom_killer_disable+0x210/0x210 [ 54.770829] ? mutex_trylock+0x172/0x1c0 [ 54.774866] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 54.779880] __alloc_pages_slowpath+0x1eef/0x25c0 [ 54.784738] ? warn_alloc+0x260/0x260 [ 54.788527] ? __lock_is_held+0xb6/0x140 [ 54.792591] ? __might_sleep+0x95/0x190 [ 54.796553] __alloc_pages_nodemask+0x5aa/0x700 [ 54.801200] ? __schedule+0x858/0x1e10 [ 54.805069] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 54.810070] ? __lock_is_held+0xb6/0x140 [ 54.814121] alloc_pages_current+0xb6/0x1e0 [ 54.818432] __vmalloc_node_range+0x409/0x650 [ 54.822919] ? xt_alloc_table_info+0x64/0xe0 [ 54.827310] __vmalloc_node_flags_caller+0x50/0x60 [ 54.832217] ? xt_alloc_table_info+0x64/0xe0 [ 54.836611] kvmalloc_node+0x82/0xd0 [ 54.840305] xt_alloc_table_info+0x64/0xe0 [ 54.844521] do_ipt_set_ctl+0x221/0x430 [ 54.848477] ? translate_compat_table+0x17e0/0x17e0 [ 54.853490] ? mutex_unlock+0xd/0x10 [ 54.857185] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 54.862446] nf_setsockopt+0x67/0xc0 [ 54.866144] ip_setsockopt+0xa1/0xb0 [ 54.869844] tcp_setsockopt+0x82/0xd0 [ 54.873634] sock_common_setsockopt+0x95/0xd0 [ 54.878113] SyS_setsockopt+0x158/0x240 [ 54.882073] ? SyS_recv+0x40/0x40 [ 54.885505] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 54.890332] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.895331] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.900079] entry_SYSCALL_64_fastpath+0x23/0x9a [ 54.904812] RIP: 0033:0x440339 [ 54.907981] RSP: 002b:00007ffccdd6aec8 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 54.915668] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440339 [ 54.922914] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 54.930164] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 54.937411] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018a0 [ 54.944655] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000 [ 54.952022] Mem-Info: [ 54.954546] active_anon:4490 inactive_anon:62 isolated_anon:0 [ 54.954546] active_file:13 inactive_file:13 isolated_file:0 [ 54.954546] unevictable:0 dirty:0 writeback:0 unstable:0 [ 54.954546] slab_reclaimable:7207 slab_unreclaimable:82867 [ 54.954546] mapped:2 shmem:68 pagetables:294 bounce:0 [ 54.954546] free:24324 free_pcp:30 free_cma:0 [ 54.983066] syzkaller138911: vmalloc: allocation failure, allocated 977391616 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 54.983071] syzkaller138911 cpuset=/ mems_allowed=0 [ 54.983088] CPU: 1 PID: 3467 Comm: syzkaller138911 Not tainted 4.15.0-rc6-next-20180103+ #87 [ 54.983092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.983094] Call Trace: [ 54.983110] dump_stack+0x137/0x198 [ 54.983127] warn_alloc+0x160/0x260 [ 54.983138] ? zone_watermark_ok_safe+0x260/0x260 [ 54.983177] __vmalloc_node_range+0x482/0x650 [ 54.983197] ? xt_alloc_table_info+0x64/0xe0 [ 54.983206] __vmalloc_node_flags_caller+0x50/0x60 [ 54.983214] ? xt_alloc_table_info+0x64/0xe0 [ 54.983226] kvmalloc_node+0x82/0xd0 [ 54.983237] xt_alloc_table_info+0x64/0xe0 [ 54.983249] do_ipt_set_ctl+0x221/0x430 [ 54.983260] ? translate_compat_table+0x17e0/0x17e0 [ 54.983285] ? mutex_unlock+0xd/0x10 [ 54.983293] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 54.983306] nf_setsockopt+0x67/0xc0 [ 54.983318] ip_setsockopt+0xa1/0xb0 [ 54.983331] tcp_setsockopt+0x82/0xd0 [ 54.983345] sock_common_setsockopt+0x95/0xd0 [ 54.983362] SyS_setsockopt+0x158/0x240 [ 54.983374] ? SyS_recv+0x40/0x40 [ 54.983384] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 54.983395] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.983405] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.983422] entry_SYSCALL_64_fastpath+0x23/0x9a [ 54.983427] RIP: 0033:0x440339 [ 54.983431] RSP: 002b:00007ffccdd6aec8 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 54.983438] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440339 [ 54.983442] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 54.983445] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 54.983449] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018a0 [ 54.983453] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000 [ 54.983490] warn_alloc_show_mem: 1 callbacks suppressed [ 54.983492] Mem-Info: [ 54.983506] active_anon:4490 inactive_anon:62 isolated_anon:0 [ 54.983506] active_file:13 inactive_file:13 isolated_file:0 [ 54.983506] unevictable:0 dirty:0 writeback:0 unstable:0 [ 54.983506] slab_reclaimable:7207 slab_unreclaimable:82867 [ 54.983506] mapped:2 shmem:68 pagetables:294 bounce:0 [ 54.983506] free:15892 free_pcp:60 free_cma:0 [ 54.983518] Node 0 active_anon:17960kB inactive_anon:248kB active_file:52kB 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: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 54.983521] 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 [ 54.983536] lowmem_reserve[]: 0 2881 6392 6392 [ 54.983548] Node 0 DMA32 free:29192kB min:30384kB low:37980kB high:45576kB active_anon:4kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2952584kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 54.983562] lowmem_reserve[]: 0 0 3511 3511 [ 54.983574] Node 0 Normal free:18468kB min:37032kB low:46288kB high:55544kB active_anon:17956kB inactive_anon:248kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:2944kB pagetables:1176kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 54.983589] lowmem_reserve[]: 0 0 0 0 [ 54.983600] 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 [ 54.983649] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 5*16kB (UME) 3*32kB (UM) 5*64kB (ME) 4*128kB (UME) 4*256kB (ME) 3*512kB (ME) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 29192kB [ 54.983704] Node 0 Normal: 315*4kB (UM) 247*8kB (UM) 156*16kB (UM) 104*32kB (UM) 43*64kB (UM) 22*128kB (UM) 13*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18468kB [ 54.983755] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 54.983758] 94 total pagecache pages [ 54.983765] 0 pages in swap cache [ 54.983768] Swap cache stats: add 0, delete 0, find 0/0 [ 54.983771] Free swap = 0kB [ 54.983773] Total swap = 0kB [ 54.983775] 1965979 pages RAM [ 54.983778] 0 pages HighMem/MovableOnly [ 54.983780] 324876 pages reserved [ 56.053577] Node 0 active_anon:17960kB inactive_anon:248kB active_file:136kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:68kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 56.084398] 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 [ 56.117235] lowmem_reserve[]: 0 2881 6392 6392 [ 56.121848] Node 0 DMA32 free:44168kB min:30384kB low:37980kB high:45576kB active_anon:4kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2952584kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 56.149034] lowmem_reserve[]: 0 0 3511 3511 [ 56.153372] Node 0 Normal free:36932kB min:37032kB low:46288kB high:55544kB active_anon:17956kB inactive_anon:248kB active_file:72kB inactive_file:28kB unevictable:0kB writepending:0kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:2912kB pagetables:1160kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 56.199364] lowmem_reserve[]: 0 0 0 0 [ 56.203216] 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 [ 56.216825] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 3*32kB (UM) 5*64kB (ME) 17*128kB (UME) 6*256kB (UME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 6*4096kB (UM) = 44168kB [ 56.233093] Node 0 Normal: 318*4kB (UME) 249*8kB (ME) 152*16kB (ME) 102*32kB (ME) 231*64kB (UME) 44*128kB (UME) 18*256kB (UME) 4*512kB (UE) 1*1024kB (U) 0*2048kB 0*4096kB = 37056kB [ 56.249370] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 56.257925] 94 total pagecache pages [ 56.261623] 0 pages in swap cache [ 56.265055] Swap cache stats: add 0, delete 0, find 0/0 [ 56.270393] Free swap = 0kB [ 56.273389] Total swap = 0kB [ 56.276473] 1965979 pages RAM [ 56.279556] 0 pages HighMem/MovableOnly [ 56.283508] 324876 pages reserved [ 56.286936] Unreclaimable slab info: [ 56.290630] Name Used Total [ 56.296150] hashtab_node 118KB 119KB [ 56.301493] ebitmap_node 387KB 389KB [ 56.306944] avtab_node 1012KB 1013KB [ 56.312312] TIPC 1KB 7KB [ 56.317680] SCTPv6 2KB 4KB [ 56.323039] DCCPv6 2KB 7KB [ 56.328390] DCCP 2KB 6KB [ 56.333742] fib6_nodes 0KB 4KB [ 56.339085] ip6_dst_cache 5KB 7KB [ 56.344426] RAWv6 9KB 13KB [ 56.349770] UDPv6 12KB 14KB [ 56.355113] TCPv6 2KB 5KB [ 56.360464] sd_ext_cdb 0KB 3KB [ 56.365808] scsi_sense_cache 84KB 108KB [ 56.371148] virtio_scsi_cmd 16KB 16KB [ 56.376490] sgpool-128 8KB 8KB [ 56.381834] sgpool-64 4KB 6KB [ 56.387177] sgpool-32 110KB 110KB [ 56.392520] sgpool-16 22KB 22KB [ 56.397863] sgpool-8 173KB 176KB [ 56.403204] cfq_io_cq 17KB 19KB [ 56.408546] cfq_queue 27KB 27KB [ 56.413888] mqueue_inode_cache 1KB 7KB [ 56.419336] nfs_commit_data 3KB 7KB [ 56.424689] nfs_write_data 34KB 37KB [ 56.430030] jbd2_inode 1KB 3KB [ 56.435370] ext4_system_zone 0KB 3KB [ 56.440716] bio-1 1KB 3KB [ 56.446061] rpc_buffers 17KB 19KB [ 56.451399] rpc_tasks 2KB 3KB [ 56.456742] UNIX 773KB 773KB [ 56.462082] tcp_bind_bucket 0KB 4KB [ 56.467422] ip_fib_trie 0KB 3KB [ 56.472761] ip_fib_alias 0KB 3KB [ 56.478103] ip_dst_cache 4KB 8KB [ 56.483449] RAW 5KB 7KB [ 56.488791] UDP 29KB 31KB [ 56.494132] TCP 26KB 31KB [ 56.499485] hugetlbfs_inode_cache 1KB 7KB [ 56.505173] eventpoll_pwq 9KB 11KB [ 56.510520] eventpoll_epi 17KB 19KB [ 56.515871] inotify_inode_mark 3KB 7KB [ 56.521305] request_queue 31KB 39KB [ 56.526650] blkdev_ioc 22KB 23KB [ 56.531995] bio-0 270KB 270KB [ 56.537342] biovec-(1<<(21-12)) 552KB 552KB [ 56.542858] biovec-128 63KB 63KB [ 56.548201] biovec-64 39KB 39KB [ 56.553543] biovec-16 15KB 15KB [ 56.558885] bio_integrity_payload 0KB 4KB [ 56.564574] khugepaged_mm_slot 0KB 3KB [ 56.570021] uid_cache 0KB 3KB [ 56.575363] dmaengine-unmap-2 0KB 3KB [ 56.580705] audit_buffer 0KB 3KB [ 56.586044] skbuff_fclone_cache 130KB 135KB [ 56.591558] skbuff_head_cache 1802KB 1807KB [ 56.596897] configfs_dir_cache 0KB 4KB [ 56.602324] file_lock_cache 157KB 158KB [ 56.607668] file_lock_ctx 1KB 3KB [ 56.613016] fsnotify_mark_connector 2KB 3KB [ 56.618881] shmem_inode_cache 1037KB 1038KB [ 56.624225] task_delay_info 297KB 336KB [ 56.629567] sigqueue 334KB 338KB [ 56.634911] kernfs_node_cache 2157KB 2161KB [ 56.640254] mnt_cache 15KB 20KB [ 56.645594] filp 8653KB 8793KB [ 56.650937] names_cache 112888KB 112926KB [ 56.656280] avc_node 38KB 43KB [ 56.661622] selinux_file_security 433KB 453KB [ 56.667309] selinux_inode_security 1923KB 1928KB [ 56.673380] key_jar 3KB 7KB [ 56.678727] nsproxy 0KB 3KB [ 56.684068] vm_area_struct 17683KB 17700KB [ 56.689413] mm_struct 4223KB 4234KB [ 56.694756] fs_cache 395KB 440KB [ 56.700099] files_cache 1480KB 1485KB [ 56.705443] signal_cache 2364KB 2371KB [ 56.710787] sighand_cache 212KB 291KB [ 56.716128] task_struct 10094KB 10094KB [ 56.721474] cred_jar 2251KB 2256KB [ 56.726818] anon_vma_chain 7297KB 7304KB [ 56.732162] anon_vma 142KB 265KB [ 56.737545] pid 206KB 240KB [ 56.742892] Acpi-Operand 106KB 170KB [ 56.748235] Acpi-Namespace 19KB 23KB [ 56.753577] numa_policy 0KB 3KB [ 56.758926] debug_objects_cache 488KB 489KB [ 56.764442] trace_event_file 145KB 147KB [ 56.769795] ftrace_event_field 257KB 259KB [ 56.775226] pool_workqueue 22KB 24KB [ 56.780568] page->ptl 2911KB 2917KB [ 56.785920] kmalloc-262144 1032KB 1032KB [ 56.791259] kmalloc-131072 650KB 650KB [ 56.796601] kmalloc-65536 264KB 264KB [ 56.801944] kmalloc-32768 627KB 627KB [ 56.807283] kmalloc-16384 148KB 148KB [ 56.812623] kmalloc-8192 503KB 503KB [ 56.817962] kmalloc-4096 8988KB 9027KB [ 56.823319] kmalloc-2048 3100KB 3104KB [ 56.828671] kmalloc-1024 3535KB 3535KB [ 56.834033] kmalloc-512 2621KB 2872KB [ 56.839387] kmalloc-256 2097KB 2493KB [ 56.844750] kmalloc-128 393KB 523KB [ 56.850118] kmalloc-96 278KB 384KB [ 56.855485] kmalloc-64 701KB 840KB [ 56.860853] kmalloc-32 1868KB 2212KB [ 56.866221] kmalloc-192 193KB 240KB [ 56.871585] kmem_cache 99KB 105KB [ 56.876950] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 56.885552] [ 1773] 0 1773 5385 171 81920 0 -1000 udevd [ 56.893708] [ 3307] 0 3307 30583 143 126976 0 0 rsyslogd [ 56.902147] [ 3358] 0 3358 4725 50 90112 0 0 cron [ 56.910214] [ 3381] 0 3381 3735 44 61440 0 0 mcstransd [ 56.918715] [ 3399] 0 3399 12490 152 135168 0 -1000 sshd [ 56.926780] [ 3433] 0 3433 3694 40 77824 0 0 getty [ 56.934929] [ 3434] 0 3434 3694 39 77824 0 0 getty [ 56.943080] [ 3435] 0 3435 3694 38 69632 0 0 getty [ 56.951230] [ 3436] 0 3436 3694 41 73728 0 0 getty [ 56.959384] [ 3437] 0 3437 3694 41 73728 0 0 getty [ 56.967564] [ 3438] 0 3438 3694 41 77824 0 0 getty [ 56.975719] [ 3439] 0 3439 3649 40 73728 0 0 getty [ 56.983870] [ 3441] 0 3441 5681 454 81920 0 -1000 udevd [ 56.992044] [ 3442] 0 3442 5681 454 81920 0 -1000 udevd [ 57.000179] [ 3462] 0 3462 17821 197 188416 0 0 sshd [ 57.008236] [ 3464] 0 3464 280 1 32768 0 0 syzkaller138911 [ 57.017258] [ 3468] 0 3468 4375 524 36864 0 0 syzkaller138911 [ 57.026286] [ 3469] 0 3469 4375 524 36864 0 0 syzkaller138911 [ 57.035328] [ 3470] 0 3470 4375 524 36864 0 0 syzkaller138911 [ 57.044346] [ 3471] 0 3471 4375 524 36864 0 0 syzkaller138911 [ 57.053368] [ 3472] 0 3472 4375 524 36864 0 0 syzkaller138911 [ 57.062382] Out of memory: Kill process 3468 (syzkaller138911) score 0 or sacrifice child [ 57.070739] Killed process 3468 (syzkaller138911) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 57.085287] oom_reaper: reaped process 3468 (syzkaller138911), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 57.099052] syzkaller138911 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 57.113494] syzkaller138911 cpuset=/ mems_allowed=0 [ 57.118554] CPU: 0 PID: 3468 Comm: syzkaller138911 Not tainted 4.15.0-rc6-next-20180103+ #87 [ 57.127104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.136436] Call Trace: [ 57.139011] dump_stack+0x137/0x198 [ 57.142627] dump_header+0x163/0x790 [ 57.146327] ? ___ratelimit+0x53/0x550 [ 57.150204] oom_kill_process+0x550/0x650 [ 57.154332] ? lock_downgrade+0x860/0x860 [ 57.158468] ? oom_evaluate_task+0x284/0x480 [ 57.162865] out_of_memory+0x95e/0x15c0 [ 57.166830] ? oom_killer_disable+0x210/0x210 [ 57.171308] ? mutex_trylock+0x172/0x1c0 [ 57.175350] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 57.180343] __alloc_pages_slowpath+0x1eef/0x25c0 [ 57.185195] ? warn_alloc+0x260/0x260 [ 57.188973] ? __lock_is_held+0xb6/0x140 [ 57.193018] ? __might_sleep+0x95/0x190 [ 57.196971] __alloc_pages_nodemask+0x5aa/0x700 [ 57.201618] ? __schedule+0x858/0x1e10 [ 57.205493] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 57.210494] ? __lock_is_held+0xb6/0x140 [ 57.214549] alloc_pages_current+0xb6/0x1e0 [ 57.218858] __vmalloc_node_range+0x409/0x650 [ 57.223346] ? xt_alloc_table_info+0x64/0xe0 [ 57.227739] __vmalloc_node_flags_caller+0x50/0x60 [ 57.232643] ? xt_alloc_table_info+0x64/0xe0 [ 57.237033] kvmalloc_node+0x82/0xd0 [ 57.240724] xt_alloc_table_info+0x64/0xe0 [ 57.244929] do_ipt_set_ctl+0x221/0x430 [ 57.248874] ? translate_compat_table+0x17e0/0x17e0 [ 57.253885] ? mutex_unlock+0xd/0x10 [ 57.257578] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 57.262841] nf_setsockopt+0x67/0xc0 [ 57.266544] ip_setsockopt+0xa1/0xb0 [ 57.270242] tcp_setsockopt+0x82/0xd0 [ 57.274028] sock_common_setsockopt+0x95/0xd0 [ 57.278514] SyS_setsockopt+0x158/0x240 [ 57.282475] ? SyS_recv+0x40/0x40 [ 57.285915] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 57.290740] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 57.295740] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 57.300477] entry_SYSCALL_64_fastpath+0x23/0x9a [ 57.305206] RIP: 0033:0x440339 [ 57.308369] RSP: 002b:00007ffccdd6aec8 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 57.316051] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440339 [ 57.323298] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 57.330549] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 57.337797] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018a0 [ 57.345048] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000 [ 57.352334] Mem-Info: [ 57.354750] active_anon:3974 inactive_anon:62 isolated_anon:0 [ 57.354750] active_file:11 inactive_file:13 isolated_file:0 [ 57.354750] unevictable:0 dirty:0 writeback:0 unstable:0 [ 57.354750] slab_reclaimable:7214 slab_unreclaimable:82873 [ 57.354750] mapped:2 shmem:68 pagetables:290 bounce:0 [ 57.354750] free:15867 free_pcp:96 free_cma:0 [ 57.386799] Node 0 active_anon:15896kB inactive_anon:248kB active_file:44kB 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: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 57.413701] 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 [ 57.439834] lowmem_reserve[]: 0 2881 6392 6392 [ 57.444444] Node 0 DMA32 free:29164kB min:30384kB low:37980kB high:45576kB active_anon:4kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2952584kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 57.471962] lowmem_reserve[]: 0 0 3511 3511 [ 57.476309] Node 0 Normal free:18396kB min:37032kB low:46288kB high:55544kB active_anon:15892kB inactive_anon:248kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:2912kB pagetables:1160kB bounce:0kB free_pcp:264kB local_pcp:120kB free_cma:0kB [ 57.505157] lowmem_reserve[]: 0 0 0 0 [ 57.508980] 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 [ 57.522629] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 3*16kB (M) 3*32kB (UM) 5*64kB (ME) 4*128kB (UME) 4*256kB (ME) 3*512kB (ME) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 29164kB [ 57.538359] Node 0 Normal: 317*4kB (ME) 249*8kB (ME) 152*16kB (ME) 103*32kB (UME) 43*64kB (UME) 22*128kB (ME) 13*256kB (ME) 1*512kB (E) 0*1024kB 0*2048kB 0*4096kB = 18396kB [ 57.553985] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.562565] 93 total pagecache pages [ 57.566278] 0 pages in swap cache [ 57.569751] Swap cache stats: add 0, delete 0, find 0/0 [ 57.575111] Free swap = 0kB [ 57.578124] Total swap = 0kB [ 57.581136] 1965979 pages RAM [ 57.584237] 0 pages HighMem/MovableOnly [ 57.588199] 324876 pages reserved [ 57.591640] Unreclaimable slab info: [ 57.595358] Name Used Total [ 57.600885] hashtab_node 118KB 119KB [ 57.606241] ebitmap_node 387KB 389KB [ 57.611606] avtab_node 1012KB 1013KB [ 57.616976] TIPC 1KB 7KB [ 57.622344] SCTPv6 2KB 4KB [ 57.627712] DCCPv6 2KB 7KB [ 57.633103] DCCP 2KB 6KB [ 57.638487] fib6_nodes 0KB 4KB [ 57.644198] ip6_dst_cache 5KB 7KB [ 57.649560] RAWv6 9KB 13KB [ 57.654923] UDPv6 12KB 14KB [ 57.660275] TCPv6 2KB 5KB [ 57.665650] sd_ext_cdb 0KB 3KB [ 57.671031] scsi_sense_cache 84KB 108KB [ 57.676393] virtio_scsi_cmd 16KB 16KB [ 57.681761] sgpool-128 8KB 8KB [ 57.687126] sgpool-64 4KB 6KB [ 57.692492] sgpool-32 110KB 110KB [ 57.697849] sgpool-16 22KB 22KB [ 57.703210] sgpool-8 173KB 176KB [ 57.708579] cfq_io_cq 17KB 19KB [ 57.713933] cfq_queue 27KB 27KB [ 57.719294] mqueue_inode_cache 1KB 7KB [ 57.724748] nfs_commit_data 3KB 7KB [ 57.730113] nfs_write_data 34KB 37KB [ 57.735478] jbd2_inode 1KB 3KB [ 57.740844] ext4_system_zone 0KB 3KB [ 57.746216] bio-1 1KB 3KB [ 57.751587] rpc_buffers 17KB 19KB [ 57.756938] rpc_tasks 2KB 3KB [ 57.762378] UNIX 773KB 773KB [ 57.767739] tcp_bind_bucket 0KB 4KB [ 57.773097] ip_fib_trie 0KB 3KB [ 57.778440] ip_fib_alias 0KB 3KB [ 57.783781] ip_dst_cache 4KB 8KB [ 57.789123] RAW 5KB 7KB [ 57.794465] UDP 29KB 31KB [ 57.799812] TCP 26KB 31KB [ 57.805152] hugetlbfs_inode_cache 1KB 7KB [ 57.810840] eventpoll_pwq 9KB 11KB [ 57.816184] eventpoll_epi 17KB 19KB [ 57.821524] inotify_inode_mark 3KB 7KB [ 57.826962] request_queue 31KB 39KB [ 57.832311] blkdev_ioc 22KB 23KB [ 57.837657] bio-0 270KB 270KB [ 57.842999] biovec-(1<<(21-12)) 552KB 552KB [ 57.848523] biovec-128 63KB 63KB [ 57.853864] biovec-64 39KB 39KB [ 57.859203] biovec-16 15KB 15KB [ 57.864550] bio_integrity_payload 0KB 4KB [ 57.870248] khugepaged_mm_slot 0KB 3KB [ 57.875702] uid_cache 0KB 3KB [ 57.881071] dmaengine-unmap-2 0KB 3KB [ 57.886437] audit_buffer 0KB 3KB [ 57.891807] skbuff_fclone_cache 130KB 135KB [ 57.897350] skbuff_head_cache 1802KB 1807KB [ 57.902715] configfs_dir_cache 0KB 4KB [ 57.908166] file_lock_cache 157KB 158KB [ 57.913531] file_lock_ctx 1KB 3KB [ 57.918895] fsnotify_mark_connector 2KB 3KB [ 57.924786] shmem_inode_cache 1037KB 1038KB [ 57.930171] task_delay_info 297KB 336KB [ 57.935536] sigqueue 334KB 338KB [ 57.940901] kernfs_node_cache 2157KB 2161KB [ 57.946265] mnt_cache 15KB 20KB [ 57.951633] filp 8653KB 8793KB [ 57.957035] names_cache 112888KB 112926KB [ 57.962402] avc_node 38KB 43KB [ 57.967769] selinux_file_security 433KB 453KB [ 57.973479] selinux_inode_security 1923KB 1928KB [ 57.979279] key_jar 3KB 7KB [ 57.984651] nsproxy 0KB 3KB [ 57.990028] vm_area_struct 17683KB 17700KB [ 57.995391] mm_struct 4223KB 4234KB [ 58.000757] fs_cache 395KB 440KB [ 58.006124] files_cache 1480KB 1485KB [ 58.011487] signal_cache 2364KB 2371KB [ 58.016854] sighand_cache 212KB 291KB [ 58.022244] task_struct 10094KB 10094KB [ 58.028363] cred_jar 2251KB 2256KB [ 58.034392] anon_vma_chain 7297KB 7304KB [ 58.040459] anon_vma 142KB 265KB [ 58.045831] pid 206KB 240KB [ 58.051198] Acpi-Operand 106KB 170KB [ 58.056569] Acpi-Namespace 19KB 23KB [ 58.061935] numa_policy 0KB 3KB [ 58.067302] debug_objects_cache 488KB 489KB [ 58.072842] trace_event_file 145KB 147KB [ 58.078209] ftrace_event_field 257KB 259KB [ 58.083655] pool_workqueue 22KB 24KB [ 58.089054] page->ptl 2911KB 2917KB [ 58.094436] kmalloc-262144 1032KB 1032KB [ 58.099799] kmalloc-131072 650KB 650KB [ 58.105160] kmalloc-65536 264KB 264KB [ 58.110510] kmalloc-32768 627KB 627KB [ 58.115870] kmalloc-16384 148KB 148KB [ 58.121223] kmalloc-8192 503KB 503KB [ 58.126582] kmalloc-4096 8988KB 9027KB [ 58.131935] kmalloc-2048 3100KB 3104KB [ 58.137294] kmalloc-1024 3535KB 3535KB [ 58.142662] kmalloc-512 2621KB 2872KB [ 58.148031] kmalloc-256 2097KB 2493KB [ 58.153416] kmalloc-128 393KB 523KB [ 58.159557] kmalloc-96 278KB 384KB [ 58.165637] kmalloc-64 701KB 840KB [ 58.171726] kmalloc-32 1868KB 2212KB [ 58.177755] kmalloc-192 193KB 240KB [ 58.183818] kmem_cache 99KB 105KB [ 58.189878] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 58.198978] [ 1773] 0 1773 5385 171 81920 0 -1000 udevd [ 58.207161] [ 3307] 0 3307 30583 143 126976 0 0 rsyslogd [ 58.215574] [ 3358] 0 3358 4725 50 90112 0 0 cron [ 58.223672] [ 3381] 0 3381 3735 44 61440 0 0 mcstransd [ 58.232176] [ 3399] 0 3399 12490 152 135168 0 -1000 sshd [ 58.240240] [ 3433] 0 3433 3694 40 77824 0 0 getty [ 58.248391] [ 3434] 0 3434 3694 39 77824 0 0 getty [ 58.256544] [ 3435] 0 3435 3694 38 69632 0 0 getty [ 58.264696] [ 3436] 0 3436 3694 41 73728 0 0 getty [ 58.272847] [ 3437] 0 3437 3694 41 73728 0 0 getty [ 58.280997] [ 3438] 0 3438 3694 41 77824 0 0 getty [ 58.289139] [ 3439] 0 3439 3649 40 73728 0 0 getty [ 58.297287] [ 3441] 0 3441 5681 454 81920 0 -1000 udevd [ 58.305429] [ 3442] 0 3442 5681 454 81920 0 -1000 udevd [ 58.313576] [ 3462] 0 3462 17821 197 188416 0 0 sshd [ 58.321630] [ 3464] 0 3464 280 1 32768 0 0 syzkaller138911 [ 58.330655] [ 3468] 0 3468 4375 0 32768 0 0 syzkaller138911 [ 58.339677] [ 3469] 0 3469 4375 524 36864 0 0 syzkaller138911 [ 58.348701] [ 3470] 0 3470 4375 524 36864 0 0 syzkaller138911 [ 58.357723] [ 3471] 0 3471 4375 524 36864 0 0 syzkaller138911 [ 58.366741] [ 3472] 0 3472 4375 524 36864 0 0 syzkaller138911 [ 58.375756] Out of memory: Kill process 3469 (syzkaller138911) score 0 or sacrifice child [ 58.384093] Killed process 3469 (syzkaller138911) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 58.390485] syzkaller138911: vmalloc: allocation failure, allocated 725454848 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 58.390490] syzkaller138911 cpuset=/ mems_allowed=0 [ 58.390507] CPU: 1 PID: 3469 Comm: syzkaller138911 Not tainted 4.15.0-rc6-next-20180103+ #87 [ 58.390511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.390513] Call Trace: [ 58.390529] dump_stack+0x137/0x198 [ 58.390547] warn_alloc+0x160/0x260 [ 58.390558] ? zone_watermark_ok_safe+0x260/0x260 [ 58.390597] __vmalloc_node_range+0x482/0x650 [ 58.390617] ? xt_alloc_table_info+0x64/0xe0 [ 58.390626] __vmalloc_node_flags_caller+0x50/0x60 [ 58.390634] ? xt_alloc_table_info+0x64/0xe0 [ 58.390647] kvmalloc_node+0x82/0xd0 [ 58.390658] xt_alloc_table_info+0x64/0xe0 [ 58.390670] do_ipt_set_ctl+0x221/0x430 [ 58.390682] ? translate_compat_table+0x17e0/0x17e0 [ 58.390706] ? mutex_unlock+0xd/0x10 [ 58.390716] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 58.390729] nf_setsockopt+0x67/0xc0 [ 58.390741] ip_setsockopt+0xa1/0xb0 [ 58.390753] tcp_setsockopt+0x82/0xd0 [ 58.390768] sock_common_setsockopt+0x95/0xd0 [ 58.390782] SyS_setsockopt+0x158/0x240 [ 58.390794] ? SyS_recv+0x40/0x40 [ 58.390803] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 58.390814] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 58.390825] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 58.390841] entry_SYSCALL_64_fastpath+0x23/0x9a [ 58.390846] RIP: 0033:0x440339 [ 58.390850] RSP: 002b:00007ffccdd6aec8 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 58.390858] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440339 [ 58.390862] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 58.390865] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 58.390869] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018a0 [ 58.390873] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000 [ 58.390898] Mem-Info: [ 58.390913] active_anon:3973 inactive_anon:62 isolated_anon:0 [ 58.390913] active_file:1 inactive_file:24 isolated_file:0 [ 58.390913] unevictable:0 dirty:0 writeback:0 unstable:0 [ 58.390913] slab_reclaimable:7214 slab_unreclaimable:82873 [ 58.390913] mapped:2 shmem:68 pagetables:289 bounce:0 [ 58.390913] free:15867 free_pcp:96 free_cma:0 [ 58.390925] Node 0 active_anon:15892kB inactive_anon:248kB active_file:4kB inactive_file:96kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 58.390927] 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 [ 58.390942] lowmem_reserve[]: 0 2881 6392 6392 [ 58.390954] Node 0 DMA32 free:29164kB min:30384kB low:37980kB high:45576kB active_anon:4kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2952584kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 58.390969] lowmem_reserve[]: 0 0 3511 3511 [ 58.390980] Node 0 Normal free:18396kB min:37032kB low:46288kB high:55544kB active_anon:15888kB inactive_anon:248kB active_file:4kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:2912kB pagetables:1156kB bounce:0kB free_pcp:264kB local_pcp:144kB free_cma:0kB [ 58.390996] lowmem_reserve[]: 0 0 0 0 [ 58.391024] 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 [ 58.391074] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 3*16kB (M) 3*32kB (UM) 5*64kB (ME) 4*128kB (UME) 4*256kB (ME) 3*512kB (ME) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 29164kB [ 58.391130] Node 0 Normal: 317*4kB (ME) 249*8kB (ME) 152*16kB (ME) 103*32kB (UME) 43*64kB (UME) 22*128kB (ME) 13*256kB (ME) 1*512kB (E) 0*1024kB 0*2048kB 0*4096kB = 18396kB [ 58.391183] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 58.391185] 93 total pagecache pages [ 58.391192] 0 pages in swap cache [ 58.391196] Swap cache stats: add 0, delete 0, find 0/0 [ 58.391199] Free swap = 0kB [ 58.391201] Total swap = 0kB [ 58.391204] 1965979 pages RAM [ 58.391206] 0 pages HighMem/MovableOnly [ 58.391208] 324876 pages reserved [ 58.822754] syzkaller138911: vmalloc: allocation failure, allocated 1285124096 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 58.855371] syzkaller138911 cpuset=/ mems_allowed=0 [ 58.860503] CPU: 0 PID: 3468 Comm: syzkaller138911 Not tainted 4.15.0-rc6-next-20180103+ #87 [ 58.869053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.878384] Call Trace: [ 58.880955] dump_stack+0x137/0x198 [ 58.884579] warn_alloc+0x160/0x260 [ 58.888193] ? zone_watermark_ok_safe+0x260/0x260 [ 58.893048] __vmalloc_node_range+0x482/0x650 [ 58.897534] ? xt_alloc_table_info+0x64/0xe0 [ 58.901930] __vmalloc_node_flags_caller+0x50/0x60 [ 58.907620] ? xt_alloc_table_info+0x64/0xe0 [ 58.912012] kvmalloc_node+0x82/0xd0 [ 58.915709] xt_alloc_table_info+0x64/0xe0 [ 58.919926] do_ipt_set_ctl+0x221/0x430 [ 58.923886] ? translate_compat_table+0x17e0/0x17e0 [ 58.928899] ? mutex_unlock+0xd/0x10 [ 58.932595] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 58.937854] nf_setsockopt+0x67/0xc0 [ 58.941553] ip_setsockopt+0xa1/0xb0 [ 58.945252] tcp_setsockopt+0x82/0xd0 [ 58.949042] sock_common_setsockopt+0x95/0xd0 [ 58.953520] SyS_setsockopt+0x158/0x240 [ 58.957479] ? SyS_recv+0x40/0x40 [ 58.960913] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 58.965737] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 58.970733] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 58.975476] entry_SYSCALL_64_fastpath+0x23/0x9a [ 58.980208] RIP: 0033:0x440339 [ 58.983374] RSP: 002b:00007ffccdd6aec8 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 58.991060] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440339 [ 58.998306] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 59.005551] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 59.012798] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018a0 [ 59.020044] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000 [ 59.027829] oom_reaper: reaped process 3469 (syzkaller138911), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 59.539201] syzkaller138911 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 59.553839] syzkaller138911 cpuset=/ mems_allowed=0 [ 59.558913] CPU: 1 PID: 3471 Comm: syzkaller138911 Not tainted 4.15.0-rc6-next-20180103+ #87 [ 59.567468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.576799] Call Trace: [ 59.579372] dump_stack+0x137/0x198 [ 59.582991] dump_header+0x163/0x790 [ 59.586692] ? ___ratelimit+0x53/0x550 [ 59.590567] oom_kill_process+0x550/0x650 [ 59.594694] ? lock_downgrade+0x860/0x860 [ 59.598826] ? oom_evaluate_task+0x284/0x480 [ 59.603220] out_of_memory+0x95e/0x15c0 [ 59.607185] ? oom_killer_disable+0x210/0x210 [ 59.611666] ? mutex_trylock+0x172/0x1c0 [ 59.615707] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 59.620709] __alloc_pages_slowpath+0x1eef/0x25c0 [ 59.625563] ? warn_alloc+0x260/0x260 [ 59.629380] __alloc_pages_nodemask+0x5aa/0x700 [ 59.634037] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 59.639041] ? __lock_is_held+0xb6/0x140 [ 59.643092] alloc_pages_current+0xb6/0x1e0 [ 59.647401] __vmalloc_node_range+0x409/0x650 [ 59.651890] ? xt_alloc_table_info+0x64/0xe0 [ 59.656276] __vmalloc_node_flags_caller+0x50/0x60 [ 59.661188] ? xt_alloc_table_info+0x64/0xe0 [ 59.665579] kvmalloc_node+0x82/0xd0 [ 59.669275] xt_alloc_table_info+0x64/0xe0 [ 59.673493] do_ipt_set_ctl+0x221/0x430 [ 59.677449] ? translate_compat_table+0x17e0/0x17e0 [ 59.682463] ? mutex_unlock+0xd/0x10 [ 59.686156] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 59.691420] nf_setsockopt+0x67/0xc0 [ 59.695115] ip_setsockopt+0xa1/0xb0 [ 59.698813] tcp_setsockopt+0x82/0xd0 [ 59.702597] sock_common_setsockopt+0x95/0xd0 [ 59.707074] SyS_setsockopt+0x158/0x240 [ 59.711033] ? SyS_recv+0x40/0x40 [ 59.714467] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 59.719291] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 59.724288] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 59.729032] entry_SYSCALL_64_fastpath+0x23/0x9a [ 59.733765] RIP: 0033:0x440339 [ 59.736928] RSP: 002b:00007ffccdd6aec8 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 59.744618] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440339 [ 59.751870] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 59.759119] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 59.766371] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018a0 [ 59.773619] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000 [ 59.780959] Mem-Info: [ 60.126776] active_anon:3456 inactive_anon:62 isolated_anon:0 [ 60.126776] active_file:12 inactive_file:288 isolated_file:1 [ 60.126776] unevictable:0 dirty:0 writeback:0 unstable:0 [ 60.126776] slab_reclaimable:7215 slab_unreclaimable:82851 [ 60.126776] mapped:28 shmem:68 pagetables:288 bounce:0 [ 60.126776] free:152502 free_pcp:359 free_cma:0 [ 60.161469] Node 0 active_anon:13824kB inactive_anon:248kB active_file:48kB inactive_file:1552kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:312kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 60.217051] 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 [ 60.279038] lowmem_reserve[]: 0 2881 6392 6392 [ 60.283706] Node 0 DMA32 free:123728kB min:30384kB low:37980kB high:45576kB active_anon:4kB inactive_anon:0kB active_file:0kB inactive_file:2200kB unevictable:0kB writepending:148kB present:3129332kB managed:2952584kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:472kB local_pcp:420kB free_cma:0kB [ 60.321708] lowmem_reserve[]: 0 0 3511 3511 [ 60.329375] Node 0 Normal free:37032kB min:37032kB low:46288kB high:55544kB active_anon:13820kB inactive_anon:248kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:2848kB pagetables:1152kB bounce:0kB free_pcp:8kB local_pcp:0kB free_cma:0kB [ 60.360053] lowmem_reserve[]: 0 0 0 0 [ 60.364785] 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 [ 60.378460] Node 0 DMA32: 17*4kB (UM) 12*8kB (UM) 6*16kB (UM) 7*32kB (UME) 7*64kB (M) 11*128kB (UME) 21*256kB (UME) 10*512kB (UME) 5*1024kB (UME) 5*2048kB (UME) 4*4096kB (M) = 44580kB [ 60.395060] Node 0 Normal: 328*4kB (UME) 251*8kB (ME) 150*16kB (ME) 106*32kB (UME) 41*64kB (ME) 24*128kB (UME) 13*256kB (ME) 2*512kB (UE) 13*1024kB (U) 2*2048kB (UM) 0*4096kB = 36568kB [ 60.411745] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 60.420318] 103 total pagecache pages [ 60.424122] 0 pages in swap cache [ 60.427558] Swap cache stats: add 0, delete 0, find 0/0 [ 60.432913] Free swap = 0kB [ 60.435936] Total swap = 0kB [ 60.438953] 1965979 pages RAM [ 60.442061] 0 pages HighMem/MovableOnly [ 60.446028] 324876 pages reserved [ 60.449957] Unreclaimable slab info: [ 60.453685] Name Used Total [ 60.459226] hashtab_node 118KB 119KB [ 60.464590] ebitmap_node 387KB 389KB [ 60.469954] avtab_node 1012KB 1013KB [ 60.475323] TIPC 1KB 7KB [ 60.480687] SCTPv6 2KB 4KB [ 60.486053] DCCPv6 2KB 7KB [ 60.491405] DCCP 2KB 6KB [ 60.496778] fib6_nodes 0KB 4KB [ 60.502670] ip6_dst_cache 5KB 7KB [ 60.508037] RAWv6 9KB 13KB [ 60.513408] UDPv6 12KB 14KB [ 60.518777] TCPv6 2KB 5KB [ 60.524137] sd_ext_cdb 0KB 3KB [ 60.529492] scsi_sense_cache 92KB 108KB [ 60.534855] virtio_scsi_cmd 16KB 16KB [ 60.540211] sgpool-128 8KB 8KB [ 60.545566] sgpool-64 4KB 6KB [ 60.550933] sgpool-32 108KB 110KB [ 60.556283] sgpool-16 22KB 22KB [ 60.561637] sgpool-8 173KB 176KB [ 60.566999] cfq_io_cq 16KB 19KB [ 60.572387] cfq_queue 25KB 27KB [ 60.578469] mqueue_inode_cache 1KB 7KB [ 60.583933] nfs_commit_data 3KB 7KB [ 60.589286] nfs_write_data 34KB 37KB [ 60.594645] jbd2_inode 1KB 3KB [ 60.600029] ext4_system_zone 0KB 3KB [ 60.605405] bio-1 1KB 3KB [ 60.610763] rpc_buffers 17KB 19KB [ 60.616123] rpc_tasks 2KB 3KB [ 60.621489] UNIX 773KB 773KB [ 60.626840] tcp_bind_bucket 0KB 4KB [ 60.632203] ip_fib_trie 0KB 3KB [ 60.637574] ip_fib_alias 0KB 3KB [ 60.642929] ip_dst_cache 3KB 8KB [ 60.648298] RAW 5KB 7KB [ 60.653651] UDP 29KB 31KB [ 60.659037] TCP 21KB 31KB [ 60.664404] hugetlbfs_inode_cache 1KB 7KB [ 60.670111] eventpoll_pwq 9KB 11KB [ 60.675470] eventpoll_epi 17KB 19KB [ 60.680838] inotify_inode_mark 3KB 7KB [ 60.686276] request_queue 31KB 39KB [ 60.691634] blkdev_ioc 21KB 23KB [ 60.696997] bio-0 277KB 277KB [ 60.702364] biovec-(1<<(21-12)) 585KB 585KB [ 60.707928] biovec-128 76KB 76KB [ 60.713969] biovec-64 39KB 39KB [ 60.719326] biovec-16 11KB 15KB [ 60.724686] bio_integrity_payload 0KB 4KB [ 60.730396] khugepaged_mm_slot 0KB 3KB [ 60.735853] uid_cache 0KB 3KB [ 60.741205] dmaengine-unmap-2 0KB 3KB [ 60.746562] audit_buffer 0KB 3KB [ 60.751929] skbuff_fclone_cache 129KB 135KB [ 60.757453] skbuff_head_cache 1801KB 1807KB [ 60.762809] configfs_dir_cache 0KB 4KB [ 60.769084] file_lock_cache 157KB 158KB [ 60.774454] file_lock_ctx 1KB 3KB [ 60.779823] fsnotify_mark_connector 2KB 3KB [ 60.785695] shmem_inode_cache 1037KB 1038KB [ 60.791055] task_delay_info 296KB 336KB [ 60.796421] sigqueue 334KB 338KB [ 60.801772] kernfs_node_cache 2157KB 2161KB [ 60.807131] mnt_cache 15KB 20KB [ 60.812495] filp 8612KB 8756KB [ 60.817847] names_cache 112888KB 112909KB [ 60.823210] avc_node 37KB 43KB [ 60.828576] selinux_file_security 429KB 453KB [ 60.834277] selinux_inode_security 1923KB 1928KB [ 60.840751] key_jar 3KB 7KB [ 60.846118] nsproxy 0KB 3KB [ 60.851486] vm_area_struct 17678KB 17700KB [ 60.856836] mm_struct 4223KB 4234KB [ 60.862200] fs_cache 395KB 440KB [ 60.867551] files_cache 1480KB 1485KB [ 60.872915] signal_cache 2364KB 2371KB [ 60.878269] sighand_cache 210KB 291KB [ 60.883627] task_struct 10094KB 10094KB [ 60.888977] cred_jar 2251KB 2256KB [ 60.894337] anon_vma_chain 7297KB 7304KB [ 60.899698] anon_vma 131KB 261KB [ 60.905057] pid 206KB 240KB [ 60.910408] Acpi-Operand 106KB 170KB [ 60.915770] Acpi-Namespace 19KB 23KB [ 60.921136] numa_policy 0KB 3KB [ 60.926502] debug_objects_cache 488KB 489KB [ 60.932041] trace_event_file 145KB 147KB [ 60.937406] ftrace_event_field 257KB 259KB [ 60.942843] pool_workqueue 22KB 24KB [ 60.948205] page->ptl 2911KB 2917KB [ 60.953569] kmalloc-262144 1032KB 1032KB [ 60.958925] kmalloc-131072 650KB 650KB [ 60.964298] kmalloc-65536 264KB 264KB [ 60.970360] kmalloc-32768 627KB 627KB [ 60.975713] kmalloc-16384 148KB 148KB [ 60.981072] kmalloc-8192 503KB 503KB [ 60.986422] kmalloc-4096 8971KB 9010KB [ 60.991778] kmalloc-2048 3100KB 3104KB [ 60.997143] kmalloc-1024 3583KB 3583KB [ 61.002507] kmalloc-512 2620KB 2872KB [ 61.007857] kmalloc-256 2077KB 2467KB [ 61.013219] kmalloc-128 392KB 523KB [ 61.018570] kmalloc-96 278KB 384KB [ 61.023928] kmalloc-64 700KB 840KB [ 61.029304] kmalloc-32 1864KB 2212KB [ 61.034672] kmalloc-192 193KB 240KB [ 61.040037] kmem_cache 99KB 105KB [ 61.045399] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 61.053985] [ 1773] 0 1773 5385 171 81920 0 -1000 udevd [ 61.062135] [ 3307] 0 3307 30583 122 126976 0 0 rsyslogd [ 61.070545] [ 3358] 0 3358 4725 50 90112 0 0 cron [ 61.078611] [ 3381] 0 3381 3735 44 61440 0 0 mcstransd [ 61.087109] [ 3399] 0 3399 12490 152 135168 0 -1000 sshd [ 61.095161] [ 3433] 0 3433 3694 40 77824 0 0 getty [ 61.103410] [ 3434] 0 3434 3694 39 77824 0 0 getty [ 61.111558] [ 3435] 0 3435 3694 38 69632 0 0 getty [ 61.119706] [ 3436] 0 3436 3694 41 73728 0 0 getty [ 61.127852] [ 3437] 0 3437 3694 41 73728 0 0 getty [ 61.136006] [ 3438] 0 3438 3694 41 77824 0 0 getty [ 61.144162] [ 3439] 0 3439 3649 40 73728 0 0 getty [ 61.152307] [ 3441] 0 3441 5681 454 81920 0 -1000 udevd [ 61.160459] [ 3442] 0 3442 5681 454 81920 0 -1000 udevd [ 61.168873] [ 3462] 0 3462 17821 197 188416 0 0 sshd [ 61.176936] [ 3464] 0 3464 280 1 32768 0 0 syzkaller138911 [ 61.185967] [ 3470] 0 3470 4375 524 36864 0 0 syzkaller138911 [ 61.194982] [ 3471] 0 3471 4375 524 36864 0 0 syzkaller138911 [ 61.203996] [ 3472] 0 3472 4375 524 36864 0 0 syzkaller138911 [ 61.213041] Out of memory: Kill process 3470 (syzkaller138911) score 0 or sacrifice child [ 61.221393] Killed process 3470 (syzkaller138911) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 61.236581] oom_reaper: reaped process 3470 (syzkaller138911), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 61.246740] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 61.259634] rsyslogd cpuset=/ mems_allowed=0 [ 61.261067] syzkaller138911: vmalloc: allocation failure, allocated 2275532800 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 61.261071] syzkaller138911 cpuset=/ mems_allowed=0 [ 61.261086] CPU: 1 PID: 3470 Comm: syzkaller138911 Not tainted 4.15.0-rc6-next-20180103+ #87 [ 61.261090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.261093] Call Trace: [ 61.261108] dump_stack+0x137/0x198 [ 61.261126] warn_alloc+0x160/0x260 [ 61.261136] ? zone_watermark_ok_safe+0x260/0x260 [ 61.261175] __vmalloc_node_range+0x482/0x650 [ 61.261195] ? xt_alloc_table_info+0x64/0xe0 [ 61.261204] __vmalloc_node_flags_caller+0x50/0x60 [ 61.261212] ? xt_alloc_table_info+0x64/0xe0 [ 61.261224] kvmalloc_node+0x82/0xd0 [ 61.261235] xt_alloc_table_info+0x64/0xe0 [ 61.261246] do_ipt_set_ctl+0x221/0x430 [ 61.261258] ? translate_compat_table+0x17e0/0x17e0 [ 61.261282] ? mutex_unlock+0xd/0x10 [ 61.261290] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 61.261303] nf_setsockopt+0x67/0xc0 [ 61.261315] ip_setsockopt+0xa1/0xb0 [ 61.261327] tcp_setsockopt+0x82/0xd0 [ 61.261341] sock_common_setsockopt+0x95/0xd0 [ 61.261355] SyS_setsockopt+0x158/0x240 [ 61.261367] ? SyS_recv+0x40/0x40 [ 61.261377] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 61.261388] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 61.261399] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 61.261416] entry_SYSCALL_64_fastpath+0x23/0x9a [ 61.261421] RIP: 0033:0x440339 [ 61.261425] RSP: 002b:00007ffccdd6aec8 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 61.261432] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440339 [ 61.261436] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 61.261440] RBP: 00000000006ca018 R08: 0000000000000004 R09: 0000000000000000 [ 61.261444] R10: 0000000020000ffc R11: 0000000000000286 R12: 00000000004018a0 [ 61.261448] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000 [ 61.261474] warn_alloc_show_mem: 1 callbacks suppressed [ 61.261477] Mem-Info: [ 61.261491] active_anon:2941 inactive_anon:62 isolated_anon:0 [ 61.261491] active_file:13 inactive_file:12 isolated_file:0 [ 61.261491] unevictable:0 dirty:0 writeback:0 unstable:0 [ 61.261491] slab_reclaimable:7222 slab_unreclaimable:82873 [ 61.261491] mapped:2 shmem:68 pagetables:280 bounce:0 [ 61.261491] free:15862 free_pcp:106 free_cma:0 [ 61.261504] Node 0 active_anon:11764kB inactive_anon:248kB active_file:52kB 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: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 61.261506] 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 [ 61.261522] lowmem_reserve[]: 0 2881 6392 6392 [ 61.261533] Node 0 DMA32 free:29136kB min:30384kB low:37980kB high:45576kB active_anon:8kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2952584kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:240kB local_pcp:120kB free_cma:0kB [ 61.261548] lowmem_reserve[]: 0 0 3511 3511 [ 61.261560] Node 0 Normal free:18404kB min:37032kB low:46288kB high:55544kB active_anon:11756kB inactive_anon:248kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:2848kB pagetables:1120kB bounce:0kB free_pcp:184kB local_pcp:128kB free_cma:0kB [ 61.261575] lowmem_reserve[]: 0 0 0 0 [ 61.261586] 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 [ 61.261635] Node 0 DMA32: 4*4kB (M) 2*8kB (M) 5*16kB (UM) 5*32kB (UME) 5*64kB (M) 5*128kB (UME) 5*256kB (ME) 2*512kB (ME) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 29136kB [ 61.261689] Node 0 Normal: 315*4kB (ME) 247*8kB (UM) 150*16kB (UM) 105*32kB (UM) 41*64kB (UM) 23*128kB (UM) 13*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18404kB [ 61.261740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 61.261743] 93 total pagecache pages [ 61.261750] 0 pages in swap cache [ 61.261754] Swap cache stats: add 0, delete 0, find 0/0 [ 61.261756] Free swap = 0kB [ 61.261758] Total swap = 0kB [ 61.261761] 1965979 pages RAM [ 61.261763] 0 pages HighMem/MovableOnly [ 61.261765] 324876 pages reserved [ 61.692486] CPU: 0 PID: 3310 Comm: rsyslogd Not tainted 4.15.0-rc6-next-20180103+ #87 [ 61.700429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.709760] Call Trace: [ 61.712336] dump_stack+0x137/0x198 [ 61.715955] dump_header+0x163/0x790 [ 61.719656] ? ___ratelimit+0x53/0x550 [ 61.723534] oom_kill_process+0x550/0x650 [ 61.727663] ? lock_downgrade+0x860/0x860 [ 61.731797] ? oom_evaluate_task+0x284/0x480 [ 61.736194] out_of_memory+0x95e/0x15c0 [ 61.740159] ? oom_killer_disable+0x210/0x210 [ 61.744638] ? mutex_trylock+0x172/0x1c0 [ 61.748678] ? __alloc_pages_slowpath+0x1081/0x25c0 [ 61.753684] __alloc_pages_slowpath+0x1eef/0x25c0 [ 61.758537] ? warn_alloc+0x260/0x260 [ 61.762327] ? __lock_is_held+0xb6/0x140 [ 61.766392] ? __might_sleep+0x95/0x190 [ 61.770350] __alloc_pages_nodemask+0x5aa/0x700 [ 61.775005] ? __alloc_pages_slowpath+0x25c0/0x25c0 [ 61.780003] ? lock_downgrade+0x860/0x860 [ 61.784151] alloc_pages_current+0xb6/0x1e0 [ 61.788459] __page_cache_alloc+0x282/0x3c0 [ 61.792766] filemap_fault+0xc74/0x1900 [ 61.796718] ? check_noncircular+0x20/0x20 [ 61.800949] ? __lock_page_or_retry+0x900/0x900 [ 61.805603] ? lock_acquire+0x16b/0x420 [ 61.809551] ? lock_acquire+0x16b/0x420 [ 61.813504] ? ext4_filemap_fault+0x7a/0xad [ 61.817825] ext4_filemap_fault+0x82/0xad [ 61.821953] __do_fault+0x8a/0x1d0 [ 61.825475] __handle_mm_fault+0x1c96/0x3210 [ 61.829870] ? __pmd_alloc+0x4e0/0x4e0 [ 61.833738] ? find_held_lock+0x35/0x1e0 [ 61.837806] handle_mm_fault+0x305/0x840 [ 61.841853] __do_page_fault+0x59e/0xca0 [ 61.845906] ? mm_fault_error+0x2c0/0x2c0 [ 61.850037] ? entry_SYSCALL_64_fastpath+0x4f/0x9a [ 61.854949] ? page_fault+0x36/0x60 [ 61.858561] do_page_fault+0x78/0x490 [ 61.862342] ? page_fault+0x36/0x60 [ 61.865949] page_fault+0x4c/0x60 [ 61.869378] RIP: 0033:0x7f7ee8e001fd [ 61.873066] RSP: 002b:00007f7ee639fe30 EFLAGS: 00010293 [ 61.878405] RAX: 0000000000000032 RBX: 0000000001d7b4b0 RCX: 00007f7ee8e001fd [ 61.885649] RDX: 0000000000000fff RSI: 00007f7ee7bd45a0 RDI: 0000000000000004 [ 61.892893] RBP: 0000000000000000 R08: 0000000001d66260 R09: 0000000000000000 [ 61.900141] R10: 6565726620323341 R11: 0000000000000293 R12: 000000000065e420 [ 61.907389] R13: 00007f7ee63a09c0 R14: 00007f7ee9445040 R15: 0000000000000003 [ 61.914697] Mem-Info: [ 62.749197] active_anon:2940 inactive_anon:62 isolated_anon:0 [ 62.749197] active_file:13 inactive_file:12 isolated_file:0 [ 62.749197] unevictable:0 dirty:0 writeback:0 unstable:0 [ 62.749197] slab_reclaimable:7222 slab_unreclaimable:82868 [ 62.749197] mapped:2 shmem:68 pagetables:279 bounce:0 [ 62.749197] free:101246 free_pcp:405 free_cma:0 [ 62.781544] Node 0 active_anon:11760kB inactive_anon:248kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:16kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 62.808544] 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 [ 62.841034] lowmem_reserve[]: 0 2881 6392 6392 [ 62.845665] Node 0 DMA32 free:116432kB min:30384kB low:37980kB high:45576kB active_anon:8kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2952584kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:68kB local_pcp:52kB free_cma:0kB [ 62.881235] lowmem_reserve[]: 0 0 3511 3511 [ 62.889823] Node 0 Normal free:36936kB min:37032kB low:46288kB high:55544kB active_anon:11752kB inactive_anon:248kB active_file:28kB inactive_file:40kB unevictable:0kB writepending:16kB present:4718592kB managed:3595920kB mlocked:0kB kernel_stack:2816kB pagetables:1116kB bounce:0kB free_pcp:240kB local_pcp:236kB free_cma:0kB [ 62.923675] lowmem_reserve[]: 0 0 0 0 [ 62.928233] 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 [ 62.948515] Node 0 DMA32: 5*4kB (UM) 2*8kB (M) 4*16kB (M) 4*32kB (ME) 6*64kB (UM) 110*128kB (UME) 10*256kB (UME) 3*512kB (UME) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 44388kB [ 62.964686] Node 0 Normal: 290*4kB (UME) 252*8kB (M) 158*16kB (UM) 106*32kB (UM) 41*64kB (M) 23*128kB (UM) 11*256kB (UM) 0*512kB 17*1024kB (U) 1*2048kB (U) 0*4096kB = 36936kB [ 62.980487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 62.989061] 95 total pagecache pages [ 62.992776] 0 pages in swap cache [ 62.996232] Swap cache stats: add 0, delete 0, find 0/0 [ 63.001592] Free swap = 0kB [ 63.004608] Total swap = 0kB [ 63.007636] 1965979 pages RAM [ 63.010739] 0 pages HighMem/MovableOnly [ 63.014709] 324876 pages reserved [ 63.018164] Unreclaimable slab info: [ 63.021888] Name Used Total [ 63.027427] hashtab_node 118KB 119KB [ 63.032798] ebitmap_node 387KB 389KB [ 63.038164] avtab_node 1012KB 1013KB [ 63.043534] TIPC 1KB 7KB [ 63.048901] SCTPv6 2KB 4KB [ 63.054273] DCCPv6 2KB 7KB [ 63.059640] DCCP 2KB 6KB [ 63.065050] fib6_nodes 0KB 4KB [ 63.070415] ip6_dst_cache 5KB 7KB [ 63.075783] RAWv6 9KB 13KB [ 63.081148] UDPv6 12KB 14KB [ 63.086515] TCPv6 2KB 5KB [ 63.091886] sd_ext_cdb 0KB 3KB [ 63.097250] scsi_sense_cache 92KB 108KB [ 63.102612] virtio_scsi_cmd 16KB 16KB [ 63.107977] sgpool-128 8KB 8KB [ 63.113342] sgpool-64 4KB 6KB [ 63.118708] sgpool-32 106KB 110KB [ 63.124073] sgpool-16 22KB 22KB [ 63.129434] sgpool-8 176KB 176KB [ 63.134799] cfq_io_cq 15KB 19KB [ 63.140163] cfq_queue 24KB 27KB [ 63.145529] mqueue_inode_cache 1KB 7KB [ 63.150981] nfs_commit_data 3KB 7KB [ 63.156349] nfs_write_data 34KB 37KB [ 63.161721] jbd2_inode 1KB 3KB [ 63.167089] ext4_system_zone 0KB 3KB [ 63.172458] bio-1 1KB 3KB [ 63.177830] rpc_buffers 17KB 19KB [ 63.183202] rpc_tasks 2KB 3KB [ 63.188565] UNIX 773KB 773KB [ 63.193934] tcp_bind_bucket 0KB 4KB [ 63.199307] ip_fib_trie 0KB 3KB [ 63.204673] ip_fib_alias 0KB 3KB [ 63.210040] ip_dst_cache 3KB 8KB [ 63.215403] RAW 5KB 7KB [ 63.220767] UDP 29KB 31KB [ 63.226136] TCP 18KB 31KB [ 63.231502] hugetlbfs_inode_cache 1KB 7KB [ 63.237217] eventpoll_pwq 9KB 11KB [ 63.242581] eventpoll_epi 17KB 19KB [ 63.247949] inotify_inode_mark 3KB 7KB [ 63.253401] request_queue 31KB 39KB [ 63.258765] blkdev_ioc 21KB 23KB [ 63.264129] bio-0 277KB 277KB [ 63.269495] biovec-(1<<(21-12)) 585KB 585KB [ 63.275029] biovec-128 76KB 76KB [ 63.280393] biovec-64 39KB 39KB [ 63.285756] biovec-16 11KB 15KB [ 63.291128] bio_integrity_payload 0KB 4KB [ 63.296841] khugepaged_mm_slot 0KB 3KB [ 63.302295] uid_cache 0KB 3KB [ 63.307658] dmaengine-unmap-2 0KB 3KB [ 63.313036] audit_buffer 0KB 3KB [ 63.318402] skbuff_fclone_cache 129KB 135KB [ 63.323940] skbuff_head_cache 1801KB 1807KB [ 63.329305] configfs_dir_cache 0KB 4KB [ 63.334755] file_lock_cache 157KB 158KB [ 63.340123] file_lock_ctx 1KB 3KB [ 63.345485] fsnotify_mark_connector 2KB 3KB [ 63.351369] shmem_inode_cache 1037KB 1038KB [ 63.356733] task_delay_info 296KB 336KB [ 63.362097] sigqueue 334KB 338KB [ 63.367461] kernfs_node_cache 2157KB 2161KB [ 63.372824] mnt_cache 15KB 20KB [ 63.378190] filp 8598KB 8745KB [ 63.383553] names_cache 112880KB 112909KB [ 63.388924] avc_node 37KB 43KB [ 63.394289] selinux_file_security 428KB 453KB [ 63.400006] selinux_inode_security 1923KB 1928KB [ 63.405822] key_jar 3KB 7KB [ 63.411193] nsproxy 0KB 3KB [ 63.416556] vm_area_struct 17675KB 17700KB [ 63.421926] mm_struct 4223KB 4234KB [ 63.427293] fs_cache 394KB 440KB [ 63.432658] files_cache 1480KB 1485KB [ 63.438036] signal_cache 2364KB 2371KB [ 63.443402] sighand_cache 210KB 291KB [ 63.448765] task_struct 10094KB 10094KB [ 63.454128] cred_jar 2250KB 2256KB [ 63.459490] anon_vma_chain 7297KB 7304KB [ 63.464857] anon_vma 125KB 258KB [ 63.470221] pid 206KB 240KB [ 63.475585] Acpi-Operand 106KB 170KB [ 63.480952] Acpi-Namespace 19KB 23KB [ 63.486318] numa_policy 0KB 3KB [ 63.491681] debug_objects_cache 488KB 489KB [ 63.497219] trace_event_file 145KB 147KB [ 63.502585] ftrace_event_field 257KB 259KB [ 63.508037] pool_workqueue 22KB 24KB [ 63.513403] page->ptl 2911KB 2917KB [ 63.518786] kmalloc-262144 1032KB 1032KB [ 63.524152] kmalloc-131072 650KB 650KB [ 63.529523] kmalloc-65536 264KB 264KB [ 63.534889] kmalloc-32768 627KB 627KB [ 63.540253] kmalloc-16384 148KB 148KB [ 63.545618] kmalloc-8192 503KB 503KB [ 63.550990] kmalloc-4096 8959KB 8997KB [ 63.556360] kmalloc-2048 3100KB 3104KB [ 63.561726] kmalloc-1024 3583KB 3583KB [ 63.567093] kmalloc-512 2619KB 2872KB [ 63.572459] kmalloc-256 2070KB 2460KB [ 63.577825] kmalloc-128 392KB 523KB [ 63.583190] kmalloc-96 278KB 384KB [ 63.588556] kmalloc-64 699KB 840KB [ 63.593925] kmalloc-32 1861KB 2212KB [ 63.599290] kmalloc-192 193KB 240KB [ 63.604656] kmem_cache 99KB 105KB [ 63.610032] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 63.618637] [ 1773] 0 1773 5385 171 81920 0 -1000 udevd [ 63.626789] [ 3307] 0 3307 30583 122 126976 0 0 rsyslogd [ 63.635203] [ 3358] 0 3358 4725 50 90112 0 0 cron [ 63.643266] [ 3381] 0 3381 3735 44 61440 0 0 mcstransd [ 63.651765] [ 3399] 0 3399 12490 152 135168 0 -1000 sshd [ 63.659826] [ 3433] 0 3433 3694 40 77824 0 0 getty [ 63.667977] [ 3434] 0 3434 3694 39 77824 0 0 getty [ 63.676129] [ 3435] 0 3435 3694 38 69632 0 0 getty [ 63.684288] [ 3436] 0 3436 3694 41 73728 0 0 getty [ 63.692439] [ 3437] 0 3437 3694 41 73728 0 0 getty [ 63.700591] [ 3438] 0 3438 3694 41 77824 0 0 getty [ 63.708743] [ 3439] 0 3439 3649 40 73728 0 0 getty [ 63.716925] [ 3441] 0 3441 5681 454 81920 0 -1000 udevd [ 63.725078] [ 3442] 0 3442 5681 454 81920 0 -1000 udevd [ 63.733229] [ 3462] 0 3462 17821 197 188416 0 0 sshd [ 63.741290] [ 3464] 0 3464 280 1 32768 0 0 syzkaller138911 [ 63.750322] [ 3471] 0 3471 4375 524 36864 0 0 syzkaller138911 [ 63.759342] [ 3472] 0 3472 4375 524 36864 0 0 syzkaller138911 [ 63.768353] Out of memory: Kill process 3471 (syzkaller138911) score 0 or sacrifice child [ 63.776727] Killed process 3471 (syzkaller138911) total-vm:17500kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 63.789606] oom_reaper: reaped process 3471 (syzkaller138911), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB Connection to 10.128.15.194 closed by remote host. [ 63.800069] syzkaller138911: vmalloc: allo