[....] Starting enhanced syslogd: rsyslogd[ 12.848728] audit: type=1400 audit(1515748962.760:5): avc: denied { syslog } for pid=3342 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: [ 17.913134] audit: type=1400 audit(1515748967.824:6): avc: denied { map } for pid=3482 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 '10.128.0.24' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 24.129221] audit: type=1400 audit(1515748974.041:7): avc: denied { map } for pid=3496 comm="syzkaller253899" path="/root/syzkaller253899894" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 27.462655] syzkaller253899 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 27.476217] syzkaller253899 cpuset=/ mems_allowed=0 [ 27.481465] CPU: 0 PID: 3510 Comm: syzkaller253899 Not tainted 4.15.0-rc7+ #258 [ 27.488894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.498229] Call Trace: [ 27.500805] dump_stack+0x194/0x257 [ 27.504415] ? arch_local_irq_restore+0x53/0x53 [ 27.509062] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.514250] dump_header+0x28c/0xe1e [ 27.517968] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.523151] ? pagefault_out_of_memory+0x152/0x152 [ 27.528077] ? print_irqtrace_events+0x270/0x270 [ 27.532830] ? __lock_acquire+0x664/0x3e00 [ 27.537063] ? check_noncircular+0x20/0x20 [ 27.541307] ? check_noncircular+0x20/0x20 [ 27.545521] ? task_will_free_mem+0x252/0xaa0 [ 27.550004] ? print_irqtrace_events+0x270/0x270 [ 27.554746] ? ___ratelimit+0x30d/0x630 [ 27.558699] ? lock_downgrade+0x980/0x980 [ 27.562832] ? lock_release+0xa40/0xa40 [ 27.566781] ? mark_held_locks+0xaf/0x100 [ 27.570907] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 27.575992] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.580987] ? trace_hardirqs_on+0xd/0x10 [ 27.585118] ? ___ratelimit+0x95/0x630 [ 27.588979] ? idr_get_free_cmn+0xfd0/0xfd0 [ 27.593274] ? check_noncircular+0x20/0x20 [ 27.597482] ? find_held_lock+0x138/0x1d0 [ 27.601607] oom_kill_process+0x8b5/0x14a0 [ 27.605818] ? has_ns_capability_noaudit+0x163/0x2a0 [ 27.610899] ? lock_downgrade+0x980/0x980 [ 27.615034] ? oom_evaluate_task+0x480/0x480 [ 27.619425] ? security_capable_noaudit+0x8b/0xc0 [ 27.624244] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 27.629328] ? has_capability+0x30/0x30 [ 27.633273] ? do_raw_spin_trylock+0x190/0x190 [ 27.637825] ? check_noncircular+0x20/0x20 [ 27.642042] ? has_capability_noaudit+0x24/0x30 [ 27.646684] ? oom_badness+0xd1/0x980 [ 27.650461] ? lock_release+0xa40/0xa40 [ 27.654409] ? do_try_to_free_pages+0xc53/0x1020 [ 27.659135] ? find_lock_task_mm+0x460/0x460 [ 27.663516] ? find_held_lock+0x35/0x1d0 [ 27.667562] ? out_of_memory+0xb3a/0x1220 [ 27.671686] ? lock_downgrade+0x980/0x980 [ 27.675808] ? lock_release+0xa40/0xa40 [ 27.679755] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 27.684661] ? oom_evaluate_task+0x284/0x480 [ 27.689051] out_of_memory+0x86d/0x1220 [ 27.693016] ? trace_hardirqs_on+0xd/0x10 [ 27.697147] ? oom_killer_disable+0x310/0x310 [ 27.701609] ? mutex_trylock+0x23a/0x2d0 [ 27.705653] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 27.711073] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 27.716964] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 27.721809] ? warn_alloc+0x2b0/0x2b0 [ 27.725609] ? check_noncircular+0x20/0x20 [ 27.729830] ? switched_to_fair+0xb0/0xb0 [ 27.733958] ? __enqueue_entity+0x109/0x1e0 [ 27.738265] ? print_irqtrace_events+0x270/0x270 [ 27.742997] ? finish_task_switch+0x1d3/0x740 [ 27.747491] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 27.753354] ? __might_sleep+0x95/0x190 [ 27.757314] __alloc_pages_nodemask+0x9fb/0xd80 [ 27.761962] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 27.766962] ? __sched_text_start+0x8/0x8 [ 27.771094] ? retint_kernel+0x10/0x10 [ 27.774974] ? __lock_is_held+0xb6/0x140 [ 27.779024] ? __vmalloc_node_range+0x4b7/0x650 [ 27.783695] ? rcu_note_context_switch+0x710/0x710 [ 27.788613] alloc_pages_current+0xb6/0x1e0 [ 27.792917] __vmalloc_node_range+0x409/0x650 [ 27.797404] ? xt_alloc_table_info+0x64/0xe0 [ 27.801790] __vmalloc_node_flags_caller+0x50/0x60 [ 27.806698] ? xt_alloc_table_info+0x64/0xe0 [ 27.811092] kvmalloc_node+0x82/0xd0 [ 27.814782] xt_alloc_table_info+0x64/0xe0 [ 27.819000] do_ip6t_set_ctl+0x29b/0x5f0 [ 27.823048] ? translate_compat_table+0x1c50/0x1c50 [ 27.828065] ? mutex_unlock+0xd/0x10 [ 27.831757] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 27.837022] nf_setsockopt+0x67/0xc0 [ 27.840719] ipv6_setsockopt+0x115/0x150 [ 27.844757] tcp_setsockopt+0x82/0xd0 [ 27.848541] sock_common_setsockopt+0x95/0xd0 [ 27.853024] SyS_setsockopt+0x189/0x360 [ 27.856985] ? SyS_recv+0x40/0x40 [ 27.860420] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 27.865242] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.870232] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 27.874969] entry_SYSCALL_64_fastpath+0x23/0x9a [ 27.879694] RIP: 0033:0x4416b9 [ 27.882853] RSP: 002b:00007ffd8ace4e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 27.890531] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004416b9 [ 27.897772] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 27.905016] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000 [ 27.912259] R10: 0000000020001fde R11: 0000000000000246 R12: 0000000000000000 [ 27.919504] R13: 0000000000402b40 R14: 0000000000000000 R15: 0000000000000000 [ 27.926949] Mem-Info: [ 27.930550] active_anon:7928 inactive_anon:61 isolated_anon:0 [ 27.930550] active_file:2129 inactive_file:2156 isolated_file:32 [ 27.930550] unevictable:0 dirty:4292 writeback:0 unstable:0 [ 27.930550] slab_reclaimable:7220 slab_unreclaimable:82997 [ 27.930550] mapped:6 shmem:68 pagetables:382 bounce:0 [ 27.930550] free:24191 free_pcp:47 free_cma:0 [ 27.963318] Node 0 active_anon:31712kB inactive_anon:244kB active_file:8424kB inactive_file:8580kB unevictable:0kB isolated(anon):0kB isolated(file):256kB mapped:24kB dirty:17168kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 27.991191] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 28.017347] lowmem_reserve[]: 0 2871 6381 6381 [ 28.021981] Node 0 DMA32 free:44208kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 28.049356] lowmem_reserve[]: 0 0 3510 3510 [ 28.053701] Node 0 Normal free:36680kB min:37084kB low:46352kB high:55620kB active_anon:31712kB inactive_anon:244kB active_file:8568kB inactive_file:8700kB unevictable:0kB writepending:17168kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3392kB pagetables:1528kB bounce:0kB free_pcp:76kB local_pcp:68kB free_cma:0kB [ 28.083546] lowmem_reserve[]: 0 0 0 0 [ 28.087354] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 28.100975] Node 0 DMA32: 4*4kB (UME) 2*8kB (UE) 3*16kB (ME) 1*32kB (E) 3*64kB (ME) 3*128kB (ME) 4*256kB (UME) 5*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 44208kB [ 28.116985] Node 0 Normal: 570*4kB (UM) 420*8kB (UM) 251*16kB (M) 138*32kB (UME) 38*64kB (M) 10*128kB (M) 30*256kB (M) 22*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36728kB [ 28.132404] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 28.141007] 4385 total pagecache pages [ 28.144934] 0 pages in swap cache [ 28.148396] Swap cache stats: add 0, delete 0, find 0/0 [ 28.153770] Free swap = 0kB [ 28.156794] Total swap = 0kB [ 28.159816] 1965979 pages RAM [ 28.162916] 0 pages HighMem/MovableOnly [ 28.166888] 327749 pages reserved [ 28.171064] Unreclaimable slab info: [ 28.174828] Name Used Total [ 28.180388] hashtab_node 118KB 119KB [ 28.185758] ebitmap_node 389KB 393KB [ 28.191233] avtab_node 1012KB 1013KB [ 28.196617] TIPC 1KB 7KB [ 28.201973] SCTPv6 2KB 4KB [ 28.207329] DCCPv6 2KB 7KB [ 28.212686] DCCP 2KB 6KB [ 28.218513] fib6_nodes 0KB 4KB [ 28.223872] ip6_dst_cache 6KB 11KB [ 28.229260] RAWv6 9KB 13KB [ 28.234639] UDPv6 12KB 14KB [ 28.240045] TCPv6 24KB 27KB [ 28.245436] sd_ext_cdb 0KB 3KB [ 28.250813] scsi_sense_cache 81KB 116KB [ 28.256184] virtio_scsi_cmd 16KB 16KB [ 28.261564] sgpool-128 8KB 8KB [ 28.266948] sgpool-64 4KB 6KB [ 28.272330] sgpool-32 55KB 55KB [ 28.277711] sgpool-16 21KB 22KB [ 28.283093] sgpool-8 134KB 168KB [ 28.288474] cfq_io_cq 15KB 15KB [ 28.293849] cfq_queue 23KB 27KB [ 28.299206] mqueue_inode_cache 1KB 7KB [ 28.304643] nfs_commit_data 3KB 7KB [ 28.310030] nfs_write_data 34KB 37KB [ 28.315384] jbd2_inode 1KB 3KB [ 28.320735] ext4_system_zone 0KB 3KB [ 28.326104] bio-1 1KB 3KB [ 28.331468] rpc_buffers 17KB 19KB [ 28.336826] rpc_tasks 2KB 3KB [ 28.342187] UNIX 777KB 780KB [ 28.347538] tcp_bind_bucket 0KB 4KB [ 28.353659] ip_fib_trie 0KB 3KB [ 28.359040] ip_fib_alias 0KB 3KB [ 28.364419] ip_dst_cache 5KB 7KB [ 28.369798] RAW 5KB 7KB [ 28.375179] UDP 29KB 31KB [ 28.380560] request_sock_TCP 1KB 3KB [ 28.385948] TCP 7KB 7KB [ 28.391340] hugetlbfs_inode_cache 1KB 7KB [ 28.397073] eventpoll_pwq 10KB 11KB [ 28.402454] eventpoll_epi 18KB 23KB [ 28.407843] inotify_inode_mark 3KB 3KB [ 28.413314] request_queue 53KB 135KB [ 28.418687] blkdev_ioc 20KB 23KB [ 28.424045] bio-0 242KB 243KB [ 28.429398] biovec-(1<<(21-12)) 371KB 371KB [ 28.434937] biovec-64 94KB 102KB [ 28.440290] biovec-16 10KB 15KB [ 28.445643] bio_integrity_payload 0KB 4KB [ 28.451352] khugepaged_mm_slot 1KB 3KB [ 28.456797] uid_cache 0KB 3KB [ 28.462148] dmaengine-unmap-2 0KB 3KB [ 28.467503] audit_buffer 1KB 3KB [ 28.472865] skbuff_fclone_cache 131KB 135KB [ 28.478417] skbuff_head_cache 1679KB 1680KB [ 28.484352] configfs_dir_cache 0KB 4KB [ 28.489805] file_lock_cache 156KB 158KB [ 28.495180] file_lock_ctx 1KB 3KB [ 28.500555] fsnotify_mark_connector 2KB 3KB [ 28.506459] shmem_inode_cache 1037KB 1038KB [ 28.511849] task_delay_info 309KB 347KB [ 28.517268] sigqueue 347KB 350KB [ 28.522660] kernfs_node_cache 2156KB 2161KB [ 28.528049] mnt_cache 15KB 20KB [ 28.533433] filp 8675KB 8816KB [ 28.538819] names_cache 113007KB 113045KB [ 28.544214] avc_node 38KB 39KB [ 28.549596] selinux_file_security 440KB 453KB [ 28.555309] selinux_inode_security 1930KB 1932KB [ 28.561101] key_jar 3KB 7KB [ 28.566458] nsproxy 0KB 3KB [ 28.571814] vm_area_struct 17907KB 17912KB [ 28.577179] mm_struct 4307KB 4312KB [ 28.582553] fs_cache 413KB 436KB [ 28.587917] files_cache 1515KB 1518KB [ 28.593296] signal_cache 2420KB 2422KB [ 28.598665] sighand_cache 247KB 346KB [ 28.604039] task_struct 10332KB 10332KB [ 28.609398] cred_jar 2277KB 2280KB [ 28.614752] anon_vma_chain 7427KB 7430KB [ 28.620539] anon_vma 161KB 311KB [ 28.625901] pid 213KB 252KB [ 28.631257] Acpi-Operand 106KB 170KB [ 28.636633] Acpi-ParseExt 0KB 3KB [ 28.642041] Acpi-Parse 0KB 7KB [ 28.647417] Acpi-State 0KB 11KB [ 28.652797] Acpi-Namespace 19KB 23KB [ 28.658177] numa_policy 0KB 3KB [ 28.663559] debug_objects_cache 500KB 500KB [ 28.669112] trace_event_file 144KB 147KB [ 28.674492] ftrace_event_field 254KB 255KB [ 28.679956] pool_workqueue 22KB 24KB [ 28.685336] page->ptl 2968KB 2972KB [ 28.690724] kmalloc-262144 1032KB 1032KB [ 28.696094] kmalloc-131072 650KB 650KB [ 28.701482] kmalloc-65536 264KB 264KB [ 28.706866] kmalloc-32768 627KB 627KB [ 28.712231] kmalloc-16384 148KB 148KB [ 28.717584] kmalloc-8192 453KB 453KB [ 28.722935] kmalloc-4096 8882KB 8920KB [ 28.728296] kmalloc-2048 3142KB 3142KB [ 28.733654] kmalloc-1024 3377KB 3378KB [ 28.739028] kmalloc-512 2655KB 2853KB [ 28.744395] kmalloc-256 2098KB 2501KB [ 28.749755] kmalloc-128 405KB 511KB [ 28.755678] kmalloc-96 279KB 396KB [ 28.761051] kmalloc-64 717KB 812KB [ 28.766429] kmalloc-32 1875KB 2189KB [ 28.771970] kmalloc-192 194KB 248KB [ 28.777364] kmem_cache 100KB 101KB [ 28.782739] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 28.791436] [ 1774] 0 1774 5366 168 90112 0 -1000 udevd [ 28.799667] [ 3191] 0 3191 2493 573 65536 0 0 dhclient [ 28.808117] [ 3342] 0 3342 14298 174 126976 0 0 rsyslogd [ 28.816557] [ 3397] 0 3397 4725 51 86016 0 0 cron [ 28.824651] [ 3415] 0 3415 3737 45 65536 0 0 mcstransd [ 28.833155] [ 3419] 0 3419 12927 1228 135168 0 0 restorecond [ 28.841830] [ 3441] 0 3441 12490 153 139264 0 -1000 sshd [ 28.849917] [ 3467] 0 3467 3694 39 73728 0 0 getty [ 28.858091] [ 3468] 0 3468 3694 40 77824 0 0 getty [ 28.866263] [ 3469] 0 3469 3694 40 73728 0 0 getty [ 28.874424] [ 3470] 0 3470 3694 40 73728 0 0 getty [ 28.882583] [ 3471] 0 3471 3694 42 77824 0 0 getty [ 28.890749] [ 3472] 0 3472 3694 39 77824 0 0 getty [ 28.898892] [ 3473] 0 3473 3649 39 77824 0 0 getty [ 28.907042] [ 3476] 0 3476 5679 455 90112 0 -1000 udevd [ 28.915216] [ 3477] 0 3477 5679 455 90112 0 -1000 udevd [ 28.923390] [ 3493] 0 3493 17821 196 180224 0 0 sshd [ 28.931472] [ 3496] 0 3496 286 1 32768 0 0 syzkaller253899 [ 28.940515] [ 3497] 0 3497 286 13 32768 0 0 syzkaller253899 [ 28.949562] [ 3498] 0 3498 286 13 32768 0 0 syzkaller253899 [ 28.958605] [ 3499] 0 3499 286 13 32768 0 0 syzkaller253899 [ 28.967648] [ 3500] 0 3500 286 13 32768 0 0 syzkaller253899 [ 28.976688] [ 3501] 0 3501 286 13 32768 0 0 syzkaller253899 [ 28.985737] [ 3502] 0 3502 286 13 32768 0 0 syzkaller253899 [ 28.994784] [ 3503] 0 3503 286 13 32768 0 0 syzkaller253899 [ 29.003812] [ 3504] 0 3504 286 13 32768 0 0 syzkaller253899 [ 29.012846] [ 3505] 0 3505 4381 525 36864 0 0 syzkaller253899 [ 29.021880] [ 3506] 0 3506 4381 525 36864 0 0 syzkaller253899 [ 29.030898] [ 3507] 0 3507 4381 525 36864 0 0 syzkaller253899 [ 29.039917] [ 3508] 0 3508 4381 525 36864 0 0 syzkaller253899 [ 29.048953] [ 3509] 0 3509 4381 525 36864 0 0 syzkaller253899 [ 29.057983] [ 3510] 0 3510 4381 525 36864 0 0 syzkaller253899 [ 29.067007] [ 3511] 0 3511 4381 525 36864 0 0 syzkaller253899 [ 29.076078] [ 3512] 0 3512 4381 525 36864 0 0 syzkaller253899 [ 29.085119] Out of memory: Kill process 3419 (restorecond) score 0 or sacrifice child [ 29.095108] Killed process 3419 (restorecond) total-vm:51708kB, anon-rss:4920kB, file-rss:0kB, shmem-rss:0kB [ 29.112007] oom_reaper: reaped process 3419 (restorecond), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 29.744681] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 29.756243] udevd cpuset=/ mems_allowed=0 [ 29.760531] CPU: 1 PID: 1774 Comm: udevd Not tainted 4.15.0-rc7+ #258 [ 29.767086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.776414] Call Trace: [ 29.778987] dump_stack+0x194/0x257 [ 29.782596] ? arch_local_irq_restore+0x53/0x53 [ 29.787240] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.792405] dump_header+0x28c/0xe1e [ 29.796089] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.801248] ? pagefault_out_of_memory+0x152/0x152 [ 29.806144] ? check_noncircular+0x20/0x20 [ 29.810347] ? print_irqtrace_events+0x270/0x270 [ 29.815081] ? __lock_acquire+0x664/0x3e00 [ 29.819304] ? check_noncircular+0x20/0x20 [ 29.823521] ? find_held_lock+0x35/0x1d0 [ 29.827555] ? check_noncircular+0x20/0x20 [ 29.831767] ? task_will_free_mem+0x252/0xaa0 [ 29.836254] ? print_irqtrace_events+0x270/0x270 [ 29.841003] ? ___ratelimit+0x30d/0x630 [ 29.844947] ? lock_downgrade+0x980/0x980 [ 29.849078] ? lock_release+0xa40/0xa40 [ 29.853045] ? mark_held_locks+0xaf/0x100 [ 29.857181] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 29.862265] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.867273] ? trace_hardirqs_on+0xd/0x10 [ 29.871404] ? ___ratelimit+0x95/0x630 [ 29.875279] ? idr_get_free_cmn+0xfd0/0xfd0 [ 29.879581] ? check_noncircular+0x20/0x20 [ 29.883796] ? find_held_lock+0x138/0x1d0 [ 29.887928] oom_kill_process+0x8b5/0x14a0 [ 29.892134] ? has_ns_capability_noaudit+0x163/0x2a0 [ 29.897202] ? lock_downgrade+0x980/0x980 [ 29.901321] ? oom_evaluate_task+0x480/0x480 [ 29.905705] ? security_capable_noaudit+0x8b/0xc0 [ 29.910519] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 29.915591] ? has_capability+0x30/0x30 [ 29.919540] ? do_raw_spin_trylock+0x190/0x190 [ 29.924107] ? check_noncircular+0x20/0x20 [ 29.928326] ? has_capability_noaudit+0x24/0x30 [ 29.932964] ? oom_badness+0xd1/0x980 [ 29.936735] ? lock_release+0xa40/0xa40 [ 29.940686] ? do_try_to_free_pages+0xc53/0x1020 [ 29.945418] ? find_lock_task_mm+0x460/0x460 [ 29.949814] ? find_held_lock+0x35/0x1d0 [ 29.953863] ? out_of_memory+0xb3a/0x1220 [ 29.957997] ? lock_downgrade+0x980/0x980 [ 29.962132] ? lock_release+0xa40/0xa40 [ 29.966080] ? lock_acquire+0x1d5/0x580 [ 29.970033] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 29.974952] ? oom_evaluate_task+0x284/0x480 [ 29.979333] out_of_memory+0x86d/0x1220 [ 29.983280] ? trace_hardirqs_on+0xd/0x10 [ 29.987423] ? oom_killer_disable+0x310/0x310 [ 29.991893] ? mutex_trylock+0x23a/0x2d0 [ 29.995924] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 30.001341] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 30.007207] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 30.012046] ? warn_alloc+0x2b0/0x2b0 [ 30.015813] ? lock_downgrade+0x980/0x980 [ 30.019951] ? __lock_is_held+0xb6/0x140 [ 30.024008] ? find_get_entry+0x53c/0x9e0 [ 30.028174] ? __lock_acquire+0x664/0x3e00 [ 30.032411] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 30.038271] ? __might_sleep+0x95/0x190 [ 30.042228] __alloc_pages_nodemask+0x9fb/0xd80 [ 30.046883] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 30.051874] ? add_to_page_cache_lru+0x510/0x510 [ 30.056619] ? check_noncircular+0x20/0x20 [ 30.060847] ? check_noncircular+0x20/0x20 [ 30.065066] ? lock_acquire+0x1d5/0x580 [ 30.069020] ? lock_acquire+0x1d5/0x580 [ 30.072978] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 30.077749] alloc_pages_current+0xb6/0x1e0 [ 30.082054] __page_cache_alloc+0x334/0x500 [ 30.086345] ? rcu_read_lock_held+0xa9/0xc0 [ 30.090649] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 30.097997] filemap_fault+0xefc/0x1c20 [ 30.101945] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.107115] ? __lock_page_or_retry+0x4f0/0x4f0 [ 30.111757] ? filemap_map_pages+0x942/0x15d0 [ 30.116223] ? compat_start_thread+0x80/0x80 [ 30.120608] ? _raw_spin_unlock_irq+0x27/0x70 [ 30.125073] ? find_get_entries_tag+0xeb0/0xeb0 [ 30.129738] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 30.134558] ? check_noncircular+0x20/0x20 [ 30.138768] ? wait_for_completion+0x770/0x770 [ 30.143328] ? print_irqtrace_events+0x270/0x270 [ 30.148063] ? print_irqtrace_events+0x270/0x270 [ 30.152797] ? lock_release+0xa40/0xa40 [ 30.156749] ? lock_acquire+0x1d5/0x580 [ 30.160693] ? lock_acquire+0x1d5/0x580 [ 30.164644] ? ext4_filemap_fault+0x7a/0xad [ 30.168934] ? __lock_acquire+0x664/0x3e00 [ 30.173137] ? lock_release+0xa40/0xa40 [ 30.177104] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 30.182978] ? rcu_note_context_switch+0x710/0x710 [ 30.187890] ? __might_sleep+0x95/0x190 [ 30.191850] ? down_read+0x96/0x150 [ 30.195461] ? ext4_filemap_fault+0x7a/0xad [ 30.199763] ? __down_interruptible+0x6b0/0x6b0 [ 30.204396] ? schedule+0xf5/0x430 [ 30.207904] ? __schedule+0x2060/0x2060 [ 30.211850] ext4_filemap_fault+0x82/0xad [ 30.215968] __do_fault+0xeb/0x30f [ 30.219475] ? find_held_lock+0x35/0x1d0 [ 30.223503] ? pte_offset_kernel+0xc7/0xc7 [ 30.227710] ? lock_downgrade+0x980/0x980 [ 30.231844] ? check_noncircular+0x20/0x20 [ 30.236068] __handle_mm_fault+0x1d8f/0x3ce0 [ 30.240457] ? __pmd_alloc+0x4e0/0x4e0 [ 30.244311] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.249313] ? find_held_lock+0x35/0x1d0 [ 30.253366] ? handle_mm_fault+0x248/0x8d0 [ 30.257570] ? lock_downgrade+0x980/0x980 [ 30.261703] handle_mm_fault+0x334/0x8d0 [ 30.265739] ? down_read_trylock+0xdb/0x170 [ 30.270039] ? __do_page_fault+0x32d/0xc90 [ 30.274241] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 30.278789] ? vmacache_find+0x5f/0x280 [ 30.282738] ? vmacache_update+0xfe/0x130 [ 30.286875] ? find_vma+0x30/0x150 [ 30.290405] __do_page_fault+0x5c9/0xc90 [ 30.294461] ? mm_fault_error+0x2c0/0x2c0 [ 30.298585] ? __lock_is_held+0xb6/0x140 [ 30.302630] do_page_fault+0xee/0x720 [ 30.306400] ? __do_page_fault+0xc90/0xc90 [ 30.310603] ? __sb_end_write+0xa0/0xd0 [ 30.314553] ? vfs_write+0x224/0x510 [ 30.318236] ? wake_up_q+0xe0/0xe0 [ 30.321741] ? SyS_write+0x184/0x220 [ 30.325422] ? entry_SYSCALL_64_fastpath+0x4f/0x9a [ 30.330320] ? page_fault+0x36/0x60 [ 30.333915] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.338740] ? page_fault+0x36/0x60 [ 30.342344] page_fault+0x4c/0x60 [ 30.345764] RIP: 0033:0x7f81a491f943 [ 30.349441] RSP: 002b:00007ffc65255618 EFLAGS: 00010246 [ 30.354777] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 00007f81a491f943 [ 30.362025] RDX: 0000000000000008 RSI: 00007ffc65255710 RDI: 000000000000000a [ 30.369271] RBP: 0000000001795920 R08: 0000000000000000 R09: 0000000000000000 [ 30.376518] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 30.383762] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000177b030 [ 30.391199] Mem-Info: [ 30.395473] active_anon:6698 inactive_anon:61 isolated_anon:0 [ 30.395473] active_file:2147 inactive_file:2147 isolated_file:0 [ 30.395473] unevictable:0 dirty:4292 writeback:0 unstable:0 [ 30.395473] slab_reclaimable:7220 slab_unreclaimable:82968 [ 30.395473] mapped:2 shmem:68 pagetables:356 bounce:0 [ 30.395473] free:24314 free_pcp:6 free_cma:0 [ 30.428086] Node 0 active_anon:26792kB inactive_anon:244kB active_file:8532kB inactive_file:8684kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:17168kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 30.462055] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 30.488237] lowmem_reserve[]: 0 2871 6381 6381 [ 30.492846] Node 0 DMA32 free:44328kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 30.526377] lowmem_reserve[]: 0 0 3510 3510 [ 30.533543] Node 0 Normal free:37020kB min:37084kB low:46352kB high:55620kB active_anon:26792kB inactive_anon:244kB active_file:8496kB inactive_file:8580kB unevictable:0kB writepending:17168kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3360kB pagetables:1424kB bounce:0kB free_pcp:24kB local_pcp:8kB free_cma:0kB [ 30.562841] lowmem_reserve[]: 0 0 0 0 [ 30.566651] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 30.580283] Node 0 DMA32: 4*4kB (UME) 1*8kB (E) 3*16kB (ME) 1*32kB (E) 3*64kB (ME) 4*128kB (UME) 4*256kB (UME) 5*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 44328kB [ 30.597116] Node 0 Normal: 527*4kB (UM) 392*8kB (UM) 248*16kB (UM) 173*32kB (ME) 74*64kB (UM) 15*128kB (UM) 27*256kB (UM) 17*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 37020kB [ 30.612700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 30.621303] 4385 total pagecache pages [ 30.625178] 0 pages in swap cache [ 30.628611] Swap cache stats: add 0, delete 0, find 0/0 [ 30.633975] Free swap = 0kB [ 30.636989] Total swap = 0kB [ 30.646062] 1965979 pages RAM [ 30.649206] 0 pages HighMem/MovableOnly [ 30.653192] 327749 pages reserved [ 30.663208] Unreclaimable slab info: [ 30.667037] Name Used Total [ 30.672636] hashtab_node 118KB 119KB [ 30.678033] ebitmap_node 388KB 393KB [ 30.683405] avtab_node 1012KB 1013KB [ 30.688787] TIPC 1KB 7KB [ 30.694169] SCTPv6 2KB 4KB [ 30.699517] DCCPv6 2KB 7KB [ 30.704881] DCCP 2KB 6KB [ 30.710253] fib6_nodes 0KB 4KB [ 30.715600] ip6_dst_cache 6KB 11KB [ 30.720969] RAWv6 9KB 13KB [ 30.726327] UDPv6 12KB 14KB [ 30.732217] TCPv6 24KB 27KB [ 30.737604] sd_ext_cdb 0KB 3KB [ 30.742961] scsi_sense_cache 81KB 116KB [ 30.748319] virtio_scsi_cmd 16KB 16KB [ 30.756528] sgpool-128 8KB 8KB [ 30.761925] sgpool-64 4KB 6KB [ 30.767300] sgpool-32 63KB 63KB [ 30.772661] sgpool-16 21KB 22KB [ 30.778023] sgpool-8 141KB 168KB [ 30.789663] cfq_io_cq 15KB 15KB [ 30.795064] cfq_queue 23KB 27KB [ 30.800449] mqueue_inode_cache 1KB 7KB [ 30.805897] nfs_commit_data 3KB 7KB [ 30.811268] nfs_write_data 34KB 37KB [ 30.816644] jbd2_inode 1KB 3KB [ 30.821996] ext4_system_zone 0KB 3KB [ 30.827376] bio-1 1KB 3KB [ 30.832748] rpc_buffers 17KB 19KB [ 30.838096] rpc_tasks 2KB 3KB [ 30.843461] UNIX 777KB 780KB [ 30.848823] tcp_bind_bucket 0KB 4KB [ 30.854172] ip_fib_trie 0KB 3KB [ 30.859519] ip_fib_alias 0KB 3KB [ 30.865676] ip_dst_cache 4KB 7KB [ 30.877460] RAW 5KB 7KB [ 30.882864] UDP 29KB 31KB [ 30.888238] request_sock_TCP 0KB 3KB [ 30.893584] TCP 7KB 7KB [ 30.900656] hugetlbfs_inode_cache 1KB 7KB [ 30.906405] eventpoll_pwq 10KB 11KB [ 30.911821] eventpoll_epi 18KB 23KB [ 30.917203] inotify_inode_mark 3KB 3KB [ 30.922674] request_queue 53KB 135KB [ 30.928051] blkdev_ioc 20KB 23KB [ 30.933408] bio-0 243KB 243KB [ 30.938777] biovec-(1<<(21-12)) 371KB 371KB [ 30.944314] biovec-64 102KB 102KB [ 30.949673] biovec-16 15KB 15KB [ 30.955042] bio_integrity_payload 0KB 4KB [ 30.960763] khugepaged_mm_slot 1KB 3KB [ 30.966203] uid_cache 0KB 3KB [ 30.971572] dmaengine-unmap-2 0KB 3KB [ 30.976932] audit_buffer 0KB 3KB [ 30.982288] skbuff_fclone_cache 130KB 135KB [ 30.988663] skbuff_head_cache 1680KB 1680KB [ 30.994812] configfs_dir_cache 0KB 4KB [ 31.000262] file_lock_cache 155KB 158KB [ 31.005641] file_lock_ctx 1KB 3KB [ 31.012738] fsnotify_mark_connector 2KB 3KB [ 31.018654] shmem_inode_cache 1037KB 1038KB [ 31.024045] task_delay_info 305KB 347KB [ 31.029405] sigqueue 354KB 354KB [ 31.034776] kernfs_node_cache 2156KB 2161KB [ 31.040150] mnt_cache 15KB 20KB [ 31.045527] filp 8665KB 8805KB [ 31.050897] names_cache 112999KB 113037KB [ 31.056253] avc_node 38KB 39KB [ 31.061598] selinux_file_security 439KB 453KB [ 31.067313] selinux_inode_security 1930KB 1932KB [ 31.073106] key_jar 3KB 7KB [ 31.078462] nsproxy 0KB 3KB [ 31.083829] vm_area_struct 17904KB 17912KB [ 31.089200] mm_struct 4304KB 4312KB [ 31.094553] fs_cache 406KB 436KB [ 31.099922] files_cache 1514KB 1518KB [ 31.107048] signal_cache 2420KB 2422KB [ 31.112435] sighand_cache 235KB 346KB [ 31.117792] task_struct 10332KB 10332KB [ 31.123160] cred_jar 2276KB 2280KB [ 31.130803] anon_vma_chain 7426KB 7430KB [ 31.136195] anon_vma 151KB 308KB [ 31.141569] pid 212KB 252KB [ 31.146949] Acpi-Operand 106KB 170KB [ 31.152327] Acpi-ParseExt 0KB 3KB [ 31.157697] Acpi-Parse 0KB 7KB [ 31.163057] Acpi-State 0KB 11KB [ 31.168414] Acpi-Namespace 19KB 23KB [ 31.173761] numa_policy 0KB 3KB [ 31.179133] debug_objects_cache 499KB 500KB [ 31.184672] trace_event_file 144KB 147KB [ 31.190032] ftrace_event_field 254KB 255KB [ 31.195486] pool_workqueue 22KB 24KB [ 31.200846] page->ptl 2967KB 2972KB [ 31.206203] kmalloc-262144 1032KB 1032KB [ 31.211572] kmalloc-131072 650KB 650KB [ 31.216931] kmalloc-65536 264KB 264KB [ 31.222277] kmalloc-32768 627KB 627KB [ 31.233827] kmalloc-16384 148KB 148KB [ 31.239274] kmalloc-8192 453KB 453KB [ 31.244632] kmalloc-4096 8865KB 8903KB [ 31.250098] kmalloc-2048 3142KB 3142KB [ 31.261700] kmalloc-1024 3376KB 3378KB [ 31.267099] kmalloc-512 2647KB 2853KB [ 31.272473] kmalloc-256 2091KB 2497KB [ 31.277835] kmalloc-128 399KB 507KB [ 31.283184] kmalloc-96 279KB 396KB [ 31.288550] kmalloc-64 714KB 812KB [ 31.293909] kmalloc-32 1872KB 2189KB [ 31.299334] kmalloc-192 194KB 248KB [ 31.304703] kmem_cache 100KB 101KB [ 31.310061] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 31.318701] [ 1774] 0 1774 5366 168 90112 0 -1000 udevd [ 31.326925] [ 3191] 0 3191 2493 573 65536 0 0 dhclient [ 31.335352] [ 3342] 0 3342 14298 174 126976 0 0 rsyslogd [ 31.343807] [ 3397] 0 3397 4725 51 86016 0 0 cron [ 31.351910] [ 3415] 0 3415 3737 45 65536 0 0 mcstransd [ 31.360424] [ 3441] 0 3441 12490 153 139264 0 -1000 sshd [ 31.368524] [ 3467] 0 3467 3694 39 73728 0 0 getty [ 31.376694] [ 3468] 0 3468 3694 40 77824 0 0 getty [ 31.384864] [ 3469] 0 3469 3694 40 73728 0 0 getty [ 31.393046] [ 3470] 0 3470 3694 40 73728 0 0 getty [ 31.401191] [ 3471] 0 3471 3694 42 77824 0 0 getty [ 31.409343] [ 3472] 0 3472 3694 39 77824 0 0 getty [ 31.417483] [ 3473] 0 3473 3649 39 77824 0 0 getty [ 31.425613] [ 3476] 0 3476 5679 455 90112 0 -1000 udevd [ 31.433765] [ 3477] 0 3477 5679 455 90112 0 -1000 udevd [ 31.441932] [ 3493] 0 3493 17821 196 180224 0 0 sshd [ 31.450038] [ 3496] 0 3496 286 1 32768 0 0 syzkaller253899 [ 31.459078] [ 3497] 0 3497 286 13 32768 0 0 syzkaller253899 [ 31.468121] [ 3498] 0 3498 286 13 32768 0 0 syzkaller253899 [ 31.477144] [ 3499] 0 3499 286 13 32768 0 0 syzkaller253899 [ 31.486144] [ 3500] 0 3500 286 13 32768 0 0 syzkaller253899 [ 31.495178] [ 3501] 0 3501 286 13 32768 0 0 syzkaller253899 [ 31.504211] [ 3502] 0 3502 286 13 32768 0 0 syzkaller253899 [ 31.513248] [ 3503] 0 3503 286 13 32768 0 0 syzkaller253899 [ 31.522275] [ 3504] 0 3504 286 13 32768 0 0 syzkaller253899 [ 31.531278] [ 3505] 0 3505 4381 525 36864 0 0 syzkaller253899 [ 31.540303] [ 3506] 0 3506 4381 525 36864 0 0 syzkaller253899 [ 31.549340] [ 3507] 0 3507 4381 525 36864 0 0 syzkaller253899 [ 31.558379] [ 3508] 0 3508 4381 525 36864 0 0 syzkaller253899 [ 31.567411] [ 3509] 0 3509 4381 525 36864 0 0 syzkaller253899 [ 31.576443] [ 3510] 0 3510 4381 525 36864 0 0 syzkaller253899 [ 31.585461] [ 3511] 0 3511 4381 525 36864 0 0 syzkaller253899 [ 31.594469] [ 3512] 0 3512 4381 525 36864 0 0 syzkaller253899 [ 31.603462] Out of memory: Kill process 3191 (dhclient) score 0 or sacrifice child [ 31.611532] Killed process 3191 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 33.577963] oom_reaper: reaped process 3510 (syzkaller253899), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.622904] oom_reaper: reaped process 3512 (syzkaller253899), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.644214] oom_reaper: reaped process 3509 (syzkaller253899), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.683653] oom_reaper: reaped process 3505 (syzkaller253899), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.743649] oom_reaper: reaped process 3507 (syzkaller253899), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.807628] oom_reaper: reaped process 3511 (syzkaller253899), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.845638] oom_reaper: reaped process 3506 (syzkaller253899), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.879867] oom_reaper: reaped process 3508 (syzkaller253899), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.913149] cron invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 33.926128] cron cpuset=/ mems_allowed=0 [ 33.930232] CPU: 1 PID: 3397 Comm: cron Not tainted 4.15.0-rc7+ #258 [ 33.936703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.946044] Call Trace: [ 33.948624] dump_stack+0x194/0x257 [ 33.952241] ? arch_local_irq_restore+0x53/0x53 [ 33.956897] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.962088] dump_header+0x28c/0xe1e [ 33.965797] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.970982] ? pagefault_out_of_memory+0x152/0x152 [ 33.975904] ? check_noncircular+0x20/0x20 [ 33.980130] ? print_irqtrace_events+0x270/0x270 [ 33.984875] ? __lock_acquire+0x664/0x3e00 [ 33.989103] ? check_noncircular+0x20/0x20 [ 33.993332] ? print_irqtrace_events+0x270/0x270 [ 33.998085] ? check_noncircular+0x20/0x20 [ 34.002305] ? task_will_free_mem+0x252/0xaa0 [ 34.006795] ? print_irqtrace_events+0x270/0x270 [ 34.011545] ? ___ratelimit+0x30d/0x630 [ 34.015504] ? lock_downgrade+0x980/0x980 [ 34.019644] ? lock_release+0xa40/0xa40 [ 34.023615] ? mark_held_locks+0xaf/0x100 [ 34.027749] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 34.032837] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.037838] ? trace_hardirqs_on+0xd/0x10 [ 34.041975] ? ___ratelimit+0x95/0x630 [ 34.045851] ? idr_get_free_cmn+0xfd0/0xfd0 [ 34.050156] ? check_noncircular+0x20/0x20 [ 34.054370] ? find_held_lock+0x138/0x1d0 [ 34.058515] oom_kill_process+0x8b5/0x14a0 [ 34.062742] ? has_ns_capability_noaudit+0x163/0x2a0 [ 34.067831] ? check_noncircular+0x20/0x20 [ 34.072056] ? oom_evaluate_task+0x480/0x480 [ 34.076472] ? security_capable_noaudit+0x8b/0xc0 [ 34.081308] ? find_held_lock+0x35/0x1d0 [ 34.085358] ? check_noncircular+0x20/0x20 [ 34.089578] ? oom_unkillable_task+0x394/0x4c0 [ 34.094144] ? lock_downgrade+0x980/0x980 [ 34.098279] ? lock_release+0xa40/0xa40 [ 34.102240] ? find_lock_task_mm+0x460/0x460 [ 34.106640] ? find_held_lock+0x35/0x1d0 [ 34.110699] ? out_of_memory+0xb3a/0x1220 [ 34.114832] ? lock_downgrade+0x980/0x980 [ 34.118967] ? lock_release+0xa40/0xa40 [ 34.122918] ? lock_acquire+0x1d5/0x580 [ 34.126876] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 34.131806] ? oom_evaluate_task+0x284/0x480 [ 34.136207] out_of_memory+0x86d/0x1220 [ 34.140191] ? oom_killer_disable+0x310/0x310 [ 34.144669] ? mutex_trylock+0x23a/0x2d0 [ 34.148717] ? __lock_is_held+0xb6/0x140 [ 34.152761] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 34.158217] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 34.163059] ? trace_hardirqs_on+0xd/0x10 [ 34.167223] ? warn_alloc+0x2b0/0x2b0 [ 34.171016] ? lock_downgrade+0x980/0x980 [ 34.175166] ? __lock_is_held+0xb6/0x140 [ 34.179234] ? find_get_entry+0x53c/0x9e0 [ 34.183401] ? __lock_acquire+0x664/0x3e00 [ 34.187672] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 34.193558] ? __might_sleep+0x95/0x190 [ 34.197524] __alloc_pages_nodemask+0x9fb/0xd80 [ 34.202188] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 34.207192] ? add_to_page_cache_lru+0x510/0x510 [ 34.211941] ? check_noncircular+0x20/0x20 [ 34.216160] ? check_noncircular+0x20/0x20 [ 34.220388] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 34.225159] alloc_pages_current+0xb6/0x1e0 [ 34.229475] __page_cache_alloc+0x334/0x500 [ 34.233779] ? rcu_read_lock_held+0xa9/0xc0 [ 34.238088] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 34.245451] filemap_fault+0xefc/0x1c20 [ 34.249410] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.254603] ? __lock_page_or_retry+0x4f0/0x4f0 [ 34.259269] ? filemap_map_pages+0x942/0x15d0 [ 34.263773] ? find_get_entries_tag+0xeb0/0xeb0 [ 34.268433] ? check_noncircular+0x20/0x20 [ 34.272654] ? check_noncircular+0x20/0x20 [ 34.276869] ? switched_to_fair+0xb0/0xb0 [ 34.281036] ? print_irqtrace_events+0x270/0x270 [ 34.285774] ? print_irqtrace_events+0x270/0x270 [ 34.290514] ? print_irqtrace_events+0x270/0x270 [ 34.295258] ? pick_next_entity+0x197/0x400 [ 34.299589] ? lock_acquire+0x1d5/0x580 [ 34.303543] ? lock_acquire+0x1d5/0x580 [ 34.307501] ? ext4_filemap_fault+0x7a/0xad [ 34.311815] ? __lock_acquire+0x664/0x3e00 [ 34.316037] ? lock_release+0xa40/0xa40 [ 34.319993] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 34.325872] ? rcu_note_context_switch+0x710/0x710 [ 34.330796] ? __might_sleep+0x95/0x190 [ 34.334763] ? down_read+0x96/0x150 [ 34.338373] ? ext4_filemap_fault+0x7a/0xad [ 34.342680] ? __down_interruptible+0x6b0/0x6b0 [ 34.347352] ext4_filemap_fault+0x82/0xad [ 34.351486] __do_fault+0xeb/0x30f [ 34.355013] ? pte_offset_kernel+0xc7/0xc7 [ 34.359236] ? do_raw_spin_trylock+0x190/0x190 [ 34.363809] ? check_noncircular+0x20/0x20 [ 34.368036] __handle_mm_fault+0x1d8f/0x3ce0 [ 34.372437] ? __pmd_alloc+0x4e0/0x4e0 [ 34.376319] ? find_held_lock+0x35/0x1d0 [ 34.380375] ? handle_mm_fault+0x248/0x8d0 [ 34.384592] ? lock_downgrade+0x980/0x980 [ 34.388762] handle_mm_fault+0x334/0x8d0 [ 34.392805] ? down_read_trylock+0xdb/0x170 [ 34.397107] ? __do_page_fault+0x32d/0xc90 [ 34.401327] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 34.405892] ? vmacache_find+0x5f/0x280 [ 34.409856] ? find_vma+0x30/0x150 [ 34.413392] __do_page_fault+0x5c9/0xc90 [ 34.417453] ? mm_fault_error+0x2c0/0x2c0 [ 34.421600] do_page_fault+0xee/0x720 [ 34.425382] ? nanosleep_copyout+0x100/0x100 [ 34.429775] ? __do_page_fault+0xc90/0xc90 [ 34.433992] ? enqueue_hrtimer+0x4a0/0x4a0 [ 34.438220] ? SyS_rt_sigprocmask+0x191/0x220 [ 34.442708] ? entry_SYSCALL_64_fastpath+0x4f/0x9a [ 34.447624] ? page_fault+0x36/0x60 [ 34.451236] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.456078] ? page_fault+0x36/0x60 [ 34.459691] page_fault+0x4c/0x60 [ 34.463123] RIP: 0033:0x40350e [ 34.466292] RSP: 002b:00007ffd33076a40 EFLAGS: 00010202 [ 34.471636] RAX: 000000005a587e75 RBX: 0000000000000000 RCX: ffffffffff600409 [ 34.478885] RDX: 0000000000000000 RSI: 00007ffd33076a50 RDI: 0000000000000000 [ 34.486135] RBP: 0000000000000000 R08: 00007ffd330768b0 R09: 0000000000000000 [ 34.493387] R10: 0000000000000008 R11: 0000000000000206 R12: 00000000004033c4 [ 34.500653] R13: 00007ffd33076bb0 R14: 0000000000000000 R15: 0000000000000000 [ 34.508077] Mem-Info: [ 34.512215] active_anon:1990 inactive_anon:61 isolated_anon:0 [ 34.512215] active_file:852 inactive_file:1367 isolated_file:64 [ 34.512215] unevictable:0 dirty:2244 writeback:0 unstable:0 [ 34.512215] slab_reclaimable:7220 slab_unreclaimable:82548 [ 34.512215] mapped:12 shmem:68 pagetables:341 bounce:0 [ 34.512215] free:15850 free_pcp:0 free_cma:0 [ 34.548912] Node 0 active_anon:7960kB inactive_anon:244kB active_file:3408kB inactive_file:5568kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:48kB dirty:8976kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 34.580654] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 34.619883] lowmem_reserve[]: 0 2871 6381 6381 [ 34.633029] Node 0 DMA32 free:29200kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 34.665033] lowmem_reserve[]: 0 0 3510 3510 [ 34.674244] Node 0 Normal free:18292kB min:37084kB low:46352kB high:55620kB active_anon:7960kB inactive_anon:244kB active_file:3408kB inactive_file:5644kB unevictable:0kB writepending:8976kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3328kB pagetables:1364kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 34.729980] lowmem_reserve[]: 0 0 0 0 [ 34.742707] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 34.761484] Node 0 DMA32: 4*4kB (UME) 1*8kB (E) 3*16kB (ME) 2*32kB (UE) 3*64kB (ME) 3*128kB (ME) 4*256kB (UME) 5*512kB (UME) 4*1024kB (ME) 4*2048kB (UME) 3*4096kB (M) = 28872kB [ 34.782511] Node 0 Normal: 273*4kB (ME) 197*8kB (UM) 145*16kB (UM) 101*32kB (ME) 54*64kB (UM) 19*128kB (M) 15*256kB (M) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18460kB [ 34.802595] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 34.819991] 2348 total pagecache pages [ 34.836691] 0 pages in swap cache [ 34.842495] Swap cache stats: add 0, delete 0, find 0/0 [ 34.853066] Free swap = 0kB [ 34.879889] Total swap = 0kB [ 34.886406] 1965979 pages RAM [ 34.893329] 0 pages HighMem/MovableOnly [ 34.897910] 327749 pages reserved [ 34.904740] Unreclaimable slab info: [ 34.916639] Name Used Total [ 34.926798] hashtab_node 118KB 119KB [ 34.936508] ebitmap_node 387KB 393KB [ 34.946460] avtab_node 1012KB 1013KB [ 34.956283] TIPC 1KB 7KB [ 34.965946] SCTPv6 2KB 4KB [ 34.993457] DCCPv6 2KB 7KB [ 35.004696] DCCP 2KB 6KB [ 35.015214] fib6_nodes 0KB 4KB [ 35.025665] ip6_dst_cache 6KB 11KB [ 35.036320] RAWv6 9KB 13KB [ 35.046501] UDPv6 12KB 14KB [ 35.056874] TCPv6 24KB 27KB [ 35.067177] sd_ext_cdb 0KB 3KB [ 35.077445] scsi_sense_cache 81KB 116KB [ 35.087507] virtio_scsi_cmd 16KB 16KB [ 35.101451] sgpool-128 8KB 8KB [ 35.111540] sgpool-64 4KB 6KB [ 35.121664] sgpool-32 68KB 70KB [ 35.132107] sgpool-16 30KB 30KB [ 35.142388] sgpool-8 150KB 168KB [ 35.152531] cfq_io_cq 15KB 15KB [ 35.162705] cfq_queue 25KB 27KB [ 35.172996] mqueue_inode_cache 1KB 7KB [ 35.183327] nfs_commit_data 3KB 7KB [ 35.193650] nfs_write_data 34KB 37KB [ 35.212585] jbd2_inode 1KB 3KB [ 35.217995] ext4_system_zone 0KB 3KB [ 35.228439] bio-1 1KB 3KB [ 35.238684] rpc_buffers 17KB 19KB [ 35.248907] rpc_tasks 2KB 3KB [ 35.259258] UNIX 777KB 780KB [ 35.269515] tcp_bind_bucket 0KB 4KB [ 35.279704] ip_fib_trie 0KB 3KB [ 35.290141] ip_fib_alias 0KB 3KB [ 35.303731] ip_dst_cache 4KB 7KB [ 35.330046] RAW 5KB 7KB [ 35.336500] UDP 29KB 31KB [ 35.346716] TCP 7KB 7KB [ 35.356987] hugetlbfs_inode_cache 1KB 7KB [ 35.378910] eventpoll_pwq 10KB 11KB [ 35.394986] eventpoll_epi 18KB 23KB [ 35.409324] inotify_inode_mark 3KB 3KB [ 35.430575] request_queue 42KB 113KB [ 35.452407] blkdev_ioc 22KB 23KB [ 35.471323] bio-0 262KB 262KB [ 35.495039] biovec-(1<<(21-12)) 396KB 396KB [ 35.511899] biovec-64 104KB 110KB [ 35.534704] biovec-16 17KB 18KB [ 35.549612] bio_integrity_payload 0KB 4KB [ 35.561065] khugepaged_mm_slot 0KB 3KB [ 35.575699] uid_cache 0KB 3KB [ 35.578213] syzkaller253899: vmalloc: allocation failure, allocated 738459648 of 2164137984 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 35.578223] syzkaller253899 cpuset=/ mems_allowed=0 [ 35.578269] CPU: 0 PID: 3510 Comm: syzkaller253899 Not tainted 4.15.0-rc7+ #258 [ 35.578273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.578276] Call Trace: [ 35.578289] dump_stack+0x194/0x257 [ 35.578302] ? arch_local_irq_restore+0x53/0x53 [ 35.578308] ? idr_get_free_cmn+0xfd0/0xfd0 [ 35.578333] warn_alloc+0x19a/0x2b0 [ 35.578345] ? zone_watermark_ok_safe+0x400/0x400 [ 35.578389] __vmalloc_node_range+0x482/0x650 [ 35.578413] ? xt_alloc_table_info+0x64/0xe0 [ 35.578422] __vmalloc_node_flags_caller+0x50/0x60 [ 35.578430] ? xt_alloc_table_info+0x64/0xe0 [ 35.578443] kvmalloc_node+0x82/0xd0 [ 35.578455] xt_alloc_table_info+0x64/0xe0 [ 35.578466] do_ip6t_set_ctl+0x29b/0x5f0 [ 35.578480] ? translate_compat_table+0x1c50/0x1c50 [ 35.578506] ? mutex_unlock+0xd/0x10 [ 35.578515] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 35.578529] nf_setsockopt+0x67/0xc0 [ 35.578544] ipv6_setsockopt+0x115/0x150 [ 35.578558] tcp_setsockopt+0x82/0xd0 [ 35.578573] sock_common_setsockopt+0x95/0xd0 [ 35.578588] SyS_setsockopt+0x189/0x360 [ 35.578602] ? SyS_recv+0x40/0x40 [ 35.578612] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 35.578625] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.578636] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.578654] entry_SYSCALL_64_fastpath+0x23/0x9a [ 35.578660] RIP: 0033:0x4416b9 [ 35.578664] RSP: 002b:00007ffd8ace4e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 35.578671] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004416b9 [ 35.578675] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 35.578678] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000 [ 35.578682] R10: 0000000020001fde R11: 0000000000000246 R12: 0000000000000000 [ 35.578686] R13: 0000000000402b40 R14: 0000000000000000 R15: 0000000000000000 [ 35.578770] Mem-Info: [ 35.578785] active_anon:1989 inactive_anon:61 isolated_anon:0 [ 35.578785] active_file:853 inactive_file:1367 isolated_file:64 [ 35.578785] unevictable:0 dirty:2251 writeback:0 unstable:0 [ 35.578785] slab_reclaimable:7219 slab_unreclaimable:82534 [ 35.578785] mapped:12 shmem:68 pagetables:338 bounce:0 [ 35.578785] free:15810 free_pcp:0 free_cma:0 [ 35.578798] Node 0 active_anon:7956kB inactive_anon:244kB active_file:3412kB inactive_file:5468kB unevictable:0kB isolated(anon):0kB isolated(file):256kB mapped:48kB dirty:9004kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 35.578801] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.578816] lowmem_reserve[]: 0 2871 6381 6381 [ 35.578828] Node 0 DMA32 free:28872kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.578844] lowmem_reserve[]: 0 0 3510 3510 [ 35.578855] Node 0 Normal free:18460kB min:37084kB low:46352kB high:55620kB active_anon:7956kB inactive_anon:244kB active_file:3412kB inactive_file:5468kB unevictable:0kB writepending:9004kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3328kB pagetables:1352kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.578871] lowmem_reserve[]: 0 0 0 0 [ 35.578883] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 35.578933] Node 0 DMA32: 4*4kB (UME) 1*8kB (E) 3*16kB (ME) 2*32kB (UE) 3*64kB (ME) 3*128kB (ME) 4*256kB (UME) 5*512kB (UME) 4*1024kB (ME) 4*2048kB (UME) 3*4096kB (M) = 28872kB [ 35.578990] Node 0 Normal: 274*4kB (UME) 196*8kB (M) 145*16kB (UM) 101*32kB (ME) 54*64kB (UM) 19*128kB (M) 15*256kB (M) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18456kB [ 35.579071] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 35.579074] 2348 total pagecache pages [ 35.579082] 0 pages in swap cache [ 35.579086] Swap cache stats: add 0, delete 0, find 0/0 [ 35.579088] Free swap = 0kB [ 35.579091] Total swap = 0kB [ 35.579093] 1965979 pages RAM [ 35.579096] 0 pages HighMem/MovableOnly [ 35.579098] 327749 pages reserved [ 36.667712] syzkaller253899: vmalloc: allocation failure, allocated 938938368 of 2164137984 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 36.667717] syzkaller253899 cpuset=/ mems_allowed=0 [ 36.667734] CPU: 1 PID: 3507 Comm: syzkaller253899 Not tainted 4.15.0-rc7+ #258 [ 36.667738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.667741] Call Trace: [ 36.667756] dump_stack+0x194/0x257 [ 36.667770] ? arch_local_irq_restore+0x53/0x53 [ 36.667776] ? idr_get_free_cmn+0xfd0/0xfd0 [ 36.667801] warn_alloc+0x19a/0x2b0 [ 36.667814] ? zone_watermark_ok_safe+0x400/0x400 [ 36.667838] ? rcu_note_context_switch+0x710/0x710 [ 36.667865] __vmalloc_node_range+0x482/0x650 [ 36.667888] ? xt_alloc_table_info+0x64/0xe0 [ 36.667897] __vmalloc_node_flags_caller+0x50/0x60 [ 36.667906] ? xt_alloc_table_info+0x64/0xe0 [ 36.667919] kvmalloc_node+0x82/0xd0 [ 36.667931] xt_alloc_table_info+0x64/0xe0 [ 36.667943] do_ip6t_set_ctl+0x29b/0x5f0 [ 36.667957] ? translate_compat_table+0x1c50/0x1c50 [ 36.667984] ? mutex_unlock+0xd/0x10 [ 36.667992] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 36.668009] nf_setsockopt+0x67/0xc0 [ 36.668025] ipv6_setsockopt+0x115/0x150 [ 36.668039] tcp_setsockopt+0x82/0xd0 [ 36.668057] sock_common_setsockopt+0x95/0xd0 [ 36.668072] SyS_setsockopt+0x189/0x360 [ 36.668086] ? SyS_recv+0x40/0x40 [ 36.668097] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 36.668109] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.668120] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.668139] entry_SYSCALL_64_fastpath+0x23/0x9a [ 36.668145] RIP: 0033:0x4416b9 [ 36.668149] RSP: 002b:00007ffd8ace4e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 36.668156] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004416b9 [ 36.668160] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 36.668163] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000 [ 36.668167] R10: 0000000020001fde R11: 0000000000000246 R12: 0000000000000000 [ 36.668171] R13: 0000000000402b40 R14: 0000000000000000 R15: 0000000000000000 [ 36.668216] Mem-Info: [ 36.668232] active_anon:1989 inactive_anon:61 isolated_anon:0 [ 36.668232] active_file:18 inactive_file:11 isolated_file:0 [ 36.668232] unevictable:0 dirty:7 writeback:19 unstable:0 [ 36.668232] slab_reclaimable:7219 slab_unreclaimable:82577 [ 36.668232] mapped:26 shmem:68 pagetables:338 bounce:0 [ 36.668232] free:15855 free_pcp:0 free_cma:0 [ 36.668245] Node 0 active_anon:7956kB inactive_anon:244kB active_file:72kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:104kB dirty:28kB writeback:76kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 36.668248] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 36.668263] lowmem_reserve[]: 0 2871 6381 6381 [ 36.668275] Node 0 DMA32 free:29204kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:8kB inactive_file:544kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 36.668290] lowmem_reserve[]: 0 0 3510 3510 [ 36.668302] Node 0 Normal free:18308kB min:37084kB low:46352kB high:55620kB active_anon:7956kB inactive_anon:244kB active_file:0kB inactive_file:792kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3328kB pagetables:1352kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 36.668317] lowmem_reserve[]: 0 0 0 0 [ 36.668329] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 36.668379] Node 0 DMA32: 4*4kB (UME) 4*8kB (UE) 6*16kB (UME) 4*32kB (UE) 3*64kB (ME) 3*128kB (ME) 4*256kB (UME) 4*512kB (ME) 5*1024kB (UME) 4*2048kB (UME) 3*4096kB (M) = 29520kB [ 36.668436] Node 0 Normal: 245*4kB (UME) 169*8kB (UM) 133*16kB (M) 89*32kB (ME) 44*64kB (UM) 23*128kB (UM) 19*256kB (M) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 18444kB [ 36.668490] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 36.668493] 122 total pagecache pages [ 36.668501] 0 pages in swap cache [ 36.668505] Swap cache stats: add 0, delete 0, find 0/0 [ 36.668507] Free swap = 0kB [ 36.668510] Total swap = 0kB [ 36.668513] 1965979 pages RAM [ 36.668515] 0 pages HighMem/MovableOnly [ 36.668517] 327749 pages reserved [ 36.693238] syzkaller253899: vmalloc: allocation failure, allocated 893853696 of 2164137984 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 36.693244] syzkaller253899 cpuset=/ mems_allowed=0 [ 36.693263] CPU: 0 PID: 3508 Comm: syzkaller253899 Not tainted 4.15.0-rc7+ #258 [ 36.693267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.693270] Call Trace: [ 36.693286] dump_stack+0x194/0x257 [ 36.693300] ? arch_local_irq_restore+0x53/0x53 [ 36.693308] ? idr_get_free_cmn+0xfd0/0xfd0 [ 36.693337] warn_alloc+0x19a/0x2b0 [ 36.693351] ? zone_watermark_ok_safe+0x400/0x400 [ 36.693379] ? rcu_note_context_switch+0x710/0x710 [ 36.693411] __vmalloc_node_range+0x482/0x650 [ 36.693436] ? xt_alloc_table_info+0x64/0xe0 [ 36.693446] __vmalloc_node_flags_caller+0x50/0x60 [ 36.693456] ? xt_alloc_table_info+0x64/0xe0 [ 36.693470] kvmalloc_node+0x82/0xd0 [ 36.693484] xt_alloc_table_info+0x64/0xe0 [ 36.693497] do_ip6t_set_ctl+0x29b/0x5f0 [ 36.693512] ? translate_compat_table+0x1c50/0x1c50 [ 36.693543] ? mutex_unlock+0xd/0x10 [ 36.693553] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 36.693570] nf_setsockopt+0x67/0xc0 [ 36.693587] ipv6_setsockopt+0x115/0x150 [ 36.693604] tcp_setsockopt+0x82/0xd0 [ 36.693623] sock_common_setsockopt+0x95/0xd0 [ 36.693640] SyS_setsockopt+0x189/0x360 [ 36.693657] ? SyS_recv+0x40/0x40 [ 36.693669] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 36.693682] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.693695] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.693717] entry_SYSCALL_64_fastpath+0x23/0x9a [ 36.693723] RIP: 0033:0x4416b9 [ 36.693727] RSP: 002b:00007ffd8ace4e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 36.693735] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004416b9 [ 36.693739] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 36.693743] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000 [ 36.693747] R10: 0000000020001fde R11: 0000000000000246 R12: 0000000000000000 [ 36.693751] R13: 0000000000402b40 R14: 0000000000000000 R15: 0000000000000000 [ 36.727185] syzkaller253899: vmalloc: allocation failure, allocated 882724864 of 2164137984 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 36.727191] syzkaller253899 cpuset=/ mems_allowed=0 [ 36.727208] CPU: 1 PID: 3506 Comm: syzkaller253899 Not tainted 4.15.0-rc7+ #258 [ 36.727211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.727214] Call Trace: [ 36.727232] dump_stack+0x194/0x257 [ 36.727246] ? arch_local_irq_restore+0x53/0x53 [ 36.727252] ? idr_get_free_cmn+0xfd0/0xfd0 [ 36.727279] warn_alloc+0x19a/0x2b0 [ 36.727292] ? zone_watermark_ok_safe+0x400/0x400 [ 36.727338] __vmalloc_node_range+0x482/0x650 [ 36.727364] ? xt_alloc_table_info+0x64/0xe0 [ 36.727373] __vmalloc_node_flags_caller+0x50/0x60 [ 36.727382] ? xt_alloc_table_info+0x64/0xe0 executing program executing program executing program executing program executing program executing program executing program [ 36.727396] kvmalloc_node+0x82/0xd0 [ 36.727408] xt_alloc_table_info+0x64/0xe0 [ 36.727421] do_ip6t_set_ctl+0x29b/0x5f0 [ 36.727435] ? translate_compat_table+0x1c50/0x1c50 [ 36.727465] ? mutex_unlock+0xd/0x10 [ 36.727474] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 36.727490] nf_setsockopt+0x67/0xc0 [ 36.727506] ipv6_setsockopt+0x115/0x150 [ 36.727522] tcp_setsockopt+0x82/0xd0 [ 36.727540] sock_common_setsockopt+0x95/0xd0 [ 36.727556] SyS_setsockopt+0x189/0x360 [ 36.727570] ? SyS_recv+0x40/0x40 [ 36.727581] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 36.727595] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.727607] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.727625] entry_SYSCALL_64_fastpath+0x23/0x9a [ 36.727631] RIP: 0033:0x4416b9 [ 36.727635] RSP: 002b:00007ffd8ace4e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 36.727642] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004416b9 [ 36.727646] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 36.727650] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000 [ 36.727654] R10: 0000000020001fde R11: 0000000000000246 R12: 0000000000000000 executing program [ 36.727662] R13: 0000000000402b40 R14: 0000000000000000 R15: 0000000000000000 [ 37.477415] syzkaller253899: vmalloc: allocation failure, allocated 906604544 of 2164137984 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 37.477421] syzkaller253899 cpuset=/ mems_allowed=0 [ 37.477437] CPU: 0 PID: 3512 Comm: syzkaller253899 Not tainted 4.15.0-rc7+ #258 [ 37.477441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.477445] Call Trace: [ 37.477458] dump_stack+0x194/0x257 [ 37.477472] ? arch_local_irq_restore+0x53/0x53 [ 37.477480] ? idr_get_free_cmn+0xfd0/0xfd0 [ 37.477491] ? mark_held_locks+0xaf/0x100 [ 37.477513] warn_alloc+0x19a/0x2b0 [ 37.477526] ? zone_watermark_ok_safe+0x400/0x400 [ 37.477553] ? rcu_note_context_switch+0x710/0x710 [ 37.477581] __vmalloc_node_range+0x482/0x650 [ 37.477606] ? xt_alloc_table_info+0x64/0xe0 [ 37.477615] __vmalloc_node_flags_caller+0x50/0x60 [ 37.477624] ? xt_alloc_table_info+0x64/0xe0 [ 37.477637] kvmalloc_node+0x82/0xd0 [ 37.477650] xt_alloc_table_info+0x64/0xe0 [ 37.477663] do_ip6t_set_ctl+0x29b/0x5f0 [ 37.477676] ? translate_compat_table+0x1c50/0x1c50 [ 37.477705] ? mutex_unlock+0xd/0x10 [ 37.477714] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 37.477730] nf_setsockopt+0x67/0xc0 [ 37.477746] ipv6_setsockopt+0x115/0x150 [ 37.477761] tcp_setsockopt+0x82/0xd0 [ 37.477779] sock_common_setsockopt+0x95/0xd0 [ 37.477796] SyS_setsockopt+0x189/0x360 [ 37.477810] ? SyS_recv+0x40/0x40 [ 37.477822] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 37.477833] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.477845] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.477865] entry_SYSCALL_64_fastpath+0x23/0x9a [ 37.477871] RIP: 0033:0x4416b9 [ 37.477875] RSP: 002b:00007ffd8ace4e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 37.477882] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004416b9 [ 37.477886] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 37.477890] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000 [ 37.477894] R10: 0000000020001fde R11: 0000000000000246 R12: 0000000000000000 [ 37.477898] R13: 0000000000402b40 R14: 0000000000000000 R15: 0000000000000000 [ 37.491077] syzkaller253899: vmalloc: allocation failure, allocated 845070336 of 2164137984 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 37.491083] syzkaller253899 cpuset=/ mems_allowed=0 [ 37.491100] CPU: 1 PID: 3509 Comm: syzkaller253899 Not tainted 4.15.0-rc7+ #258 [ 37.491104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.491106] Call Trace: [ 37.491121] dump_stack+0x194/0x257 [ 37.491135] ? arch_local_irq_restore+0x53/0x53 [ 37.491142] ? idr_get_free_cmn+0xfd0/0xfd0 [ 37.491156] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.491177] warn_alloc+0x19a/0x2b0 [ 37.491191] ? zone_watermark_ok_safe+0x400/0x400 [ 37.491242] __vmalloc_node_range+0x482/0x650 [ 37.491268] ? xt_alloc_table_info+0x64/0xe0 [ 37.491277] __vmalloc_node_flags_caller+0x50/0x60 [ 37.491286] ? xt_alloc_table_info+0x64/0xe0 [ 37.491301] kvmalloc_node+0x82/0xd0 [ 37.491314] xt_alloc_table_info+0x64/0xe0 [ 37.491327] do_ip6t_set_ctl+0x29b/0x5f0 [ 37.491342] ? translate_compat_table+0x1c50/0x1c50 [ 37.491372] ? mutex_unlock+0xd/0x10 [ 37.491382] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 37.491398] nf_setsockopt+0x67/0xc0 [ 37.491415] ipv6_setsockopt+0x115/0x150 [ 37.491431] tcp_setsockopt+0x82/0xd0 [ 37.491450] sock_common_setsockopt+0x95/0xd0 [ 37.491466] SyS_setsockopt+0x189/0x360 [ 37.491482] ? SyS_recv+0x40/0x40 [ 37.491494] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 37.491507] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.491519] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.491539] entry_SYSCALL_64_fastpath+0x23/0x9a [ 37.491545] RIP: 0033:0x4416b9 [ 37.491549] RSP: 002b:00007ffd8ace4e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 37.491556] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004416b9 [ 37.491560] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 37.491564] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000 [ 37.491568] R10: 0000000020001fde R11: 0000000000000246 R12: 0000000000000000 [ 37.491573] R13: 0000000000402b40 R14: 0000000000000000 R15: 0000000000000000 [ 38.236310] syzkaller253899: vmalloc: allocation failure, allocated 905355264 of 2164137984 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 38.236316] syzkaller253899 cpuset=/ mems_allowed=0 [ 38.236333] CPU: 1 PID: 3505 Comm: syzkaller253899 Not tainted 4.15.0-rc7+ #258 [ 38.236336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.236339] Call Trace: [ 38.236352] dump_stack+0x194/0x257 [ 38.236367] ? arch_local_irq_restore+0x53/0x53 [ 38.236374] ? idr_get_free_cmn+0xfd0/0xfd0 [ 38.236399] warn_alloc+0x19a/0x2b0 [ 38.236413] ? zone_watermark_ok_safe+0x400/0x400 [ 38.236439] ? rcu_note_context_switch+0x710/0x710 [ 38.236467] __vmalloc_node_range+0x482/0x650 [ 38.236492] ? xt_alloc_table_info+0x64/0xe0 [ 38.236501] __vmalloc_node_flags_caller+0x50/0x60 [ 38.236510] ? xt_alloc_table_info+0x64/0xe0 [ 38.236524] kvmalloc_node+0x82/0xd0 [ 38.236540] xt_alloc_table_info+0x64/0xe0 [ 38.236553] do_ip6t_set_ctl+0x29b/0x5f0 [ 38.236567] ? translate_compat_table+0x1c50/0x1c50 [ 38.236596] ? mutex_unlock+0xd/0x10 [ 38.236606] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 38.236621] nf_setsockopt+0x67/0xc0 [ 38.236637] ipv6_setsockopt+0x115/0x150 [ 38.236652] tcp_setsockopt+0x82/0xd0 [ 38.236670] sock_common_setsockopt+0x95/0xd0 [ 38.236685] SyS_setsockopt+0x189/0x360 [ 38.236700] ? SyS_recv+0x40/0x40 [ 38.236712] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 38.236725] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.236738] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.236757] entry_SYSCALL_64_fastpath+0x23/0x9a [ 38.236763] RIP: 0033:0x4416b9 [ 38.236767] RSP: 002b:00007ffd8ace4e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 38.236774] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004416b9 [ 38.236778] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 38.236782] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000 [ 38.236786] R10: 0000000020001fde R11: 0000000000000246 R12: 0000000000000000 [ 38.236790] R13: 0000000000402b40 R14: 0000000000000000 R15: 0000000000000000 [ 38.236834] warn_alloc_show_mem: 4 callbacks suppressed [ 38.236836] Mem-Info: [ 38.236853] active_anon:1989 inactive_anon:61 isolated_anon:0 [ 38.236853] active_file:27 inactive_file:45 isolated_file:0 [ 38.236853] unevictable:0 dirty:0 writeback:21 unstable:0 [ 38.236853] slab_reclaimable:7221 slab_unreclaimable:82191 [ 38.236853] mapped:13 shmem:68 pagetables:334 bounce:0 [ 38.236853] free:869000 free_pcp:716 free_cma:0 [ 38.236866] Node 0 active_anon:7956kB inactive_anon:244kB active_file:108kB inactive_file:180kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:0kB writeback:84kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 38.236869] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 38.236885] lowmem_reserve[]: 0 2871 6381 6381 [ 38.236898] Node 0 DMA32 free:1666940kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:256kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1420kB local_pcp:716kB free_cma:0kB [ 38.236913] lowmem_reserve[]: 0 0 3510 3510 [ 38.236926] Node 0 Normal free:1793152kB min:37084kB low:46352kB high:55620kB active_anon:7956kB inactive_anon:244kB active_file:0kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3296kB pagetables:1336kB bounce:0kB free_pcp:1432kB local_pcp:800kB free_cma:0kB [ 38.236942] lowmem_reserve[]: 0 0 0 0 [ 38.236954] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 38.237041] Node 0 DMA32: 7160*4kB (UME) 7355*8kB (UE) 7609*16kB (UME) 7731*32kB (UE) 7421*64kB (UME) 664*128kB (UME) 199*256kB (UME) 152*512kB (UME) 130*1024kB (UME) 122*2048kB (UME) 34*4096kB (UM) = 1667560kB [ 38.237102] Node 0 Normal: 6491*4kB (UME) 6500*8kB (UME) 6164*16kB (UME) 6092*32kB (UM) 5888*64kB (UM) 753*128kB (UME) 414*256kB (UME) 307*512kB (UME) 209*1024kB (UE) 132*2048kB (U) 49*4096kB (U) = 1792972kB [ 38.237165] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 38.237168] 138 total pagecache pages [ 38.237177] 0 pages in swap cache [ 38.237181] Swap cache stats: add 0, delete 0, find 0/0 [ 38.237184] Free swap = 0kB [ 38.237187] Total swap = 0kB [ 38.237190] 1965979 pages RAM [ 38.237192] 0 pages HighMem/MovableOnly [ 38.237195] 327749 pages reserved [ 38.254141] syzkaller253899: vmalloc: allocation failure, allocated 803102720 of 2164137984 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 38.254146] syzkaller253899 cpuset=/ mems_allowed=0 [ 38.254163] CPU: 0 PID: 3511 Comm: syzkaller253899 Not tainted 4.15.0-rc7+ #258 [ 38.254167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.254170] Call Trace: [ 38.254185] dump_stack+0x194/0x257 [ 38.254200] ? arch_local_irq_restore+0x53/0x53 [ 38.254207] ? idr_get_free_cmn+0xfd0/0xfd0 [ 38.254219] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.254241] warn_alloc+0x19a/0x2b0 [ 38.254254] ? zone_watermark_ok_safe+0x400/0x400 [ 38.254302] __vmalloc_node_range+0x482/0x650 [ 38.254328] ? xt_alloc_table_info+0x64/0xe0 [ 38.254337] __vmalloc_node_flags_caller+0x50/0x60 [ 38.254347] ? xt_alloc_table_info+0x64/0xe0 [ 38.254361] kvmalloc_node+0x82/0xd0 [ 38.254374] xt_alloc_table_info+0x64/0xe0 [ 38.254387] do_ip6t_set_ctl+0x29b/0x5f0 [ 38.254401] ? translate_compat_table+0x1c50/0x1c50 [ 38.254431] ? mutex_unlock+0xd/0x10 [ 38.254441] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 38.254456] nf_setsockopt+0x67/0xc0 [ 38.254473] ipv6_setsockopt+0x115/0x150 [ 38.254489] tcp_setsockopt+0x82/0xd0 [ 38.254507] sock_common_setsockopt+0x95/0xd0 [ 38.254524] SyS_setsockopt+0x189/0x360 [ 38.254539] ? SyS_recv+0x40/0x40 [ 38.254551] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 38.254566] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.254577] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.254597] entry_SYSCALL_64_fastpath+0x23/0x9a [ 38.254603] RIP: 0033:0x4416b9 [ 38.254607] RSP: 002b:00007ffd8ace4e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 38.254615] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004416b9 [ 38.254618] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 38.254623] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000 [ 38.254627] R10: 0000000020001fde R11: 0000000000000246 R12: 0000000000000000 [ 38.254631] R13: 0000000000402b40 R14: 0000000000000000 R15: 0000000000000000 [ 42.885624] dmaengine-unmap-2 0KB 3KB [ 42.893214] audit_buffer 0KB 3KB [ 42.900077] skbuff_fclone_cache 135KB 135KB [ 42.907082] skbuff_head_cache 1687KB 1687KB [ 42.913886] configfs_dir_cache 0KB 4KB [ 42.920739] file_lock_cache 155KB 158KB [ 42.926891] file_lock_ctx 1KB 3KB [ 42.954686] fsnotify_mark_connector 2KB 3KB [ 42.960610] shmem_inode_cache 1038KB 1038KB [ 42.965962] task_delay_info 325KB 347KB [ 42.971307] sigqueue 351KB 354KB [ 42.976675] kernfs_node_cache 2156KB 2161KB [ 42.982030] mnt_cache 15KB 20KB [ 42.987374] filp 8509KB 8692KB [ 42.992719] names_cache 111549KB 111549KB [ 42.998065] avc_node 37KB 39KB [ 43.003433] selinux_file_security 433KB 453KB [ 43.009127] selinux_inode_security 1936KB 1936KB [ 43.014911] key_jar 3KB 7KB [ 43.020256] nsproxy 0KB 3KB [ 43.025599] vm_area_struct 17982KB 17982KB [ 43.030948] mm_struct 4328KB 4328KB [ 43.036292] fs_cache 434KB 436KB [ 43.041649] files_cache 1530KB 1530KB [ 43.046994] signal_cache 2436KB 2436KB [ 43.052340] sighand_cache 235KB 346KB [ 43.059719] task_struct 10394KB 10394KB [ 43.065839] cred_jar 2284KB 2284KB [ 43.094751] anon_vma_chain 7473KB 7473KB [ 43.102945] anon_vma 166KB 304KB [ 43.109827] pid 213KB 252KB [ 43.115858] Acpi-Operand 106KB 170KB [ 43.121885] Acpi-Parse 0KB 3KB [ 43.127278] Acpi-State 0KB 7KB [ 43.132666] Acpi-Namespace 19KB 23KB [ 43.138039] numa_policy 0KB 3KB [ 43.143413] debug_objects_cache 499KB 500KB [ 43.148963] trace_event_file 144KB 147KB [ 43.154334] ftrace_event_field 254KB 255KB [ 43.159792] pool_workqueue 22KB 24KB [ 43.165169] page->ptl 2984KB 2984KB [ 43.170569] kmalloc-262144 1032KB 1032KB [ 43.175945] kmalloc-131072 650KB 650KB [ 43.181302] kmalloc-65536 264KB 264KB [ 43.186671] kmalloc-32768 627KB 627KB [ 43.192043] kmalloc-16384 148KB 148KB [ 43.197416] kmalloc-8192 453KB 453KB [ 43.204726] kmalloc-4096 8045KB 8045KB [ 43.210850] kmalloc-2048 3149KB 3149KB [ 43.241841] kmalloc-1024 3787KB 3787KB [ 43.263839] kmalloc-512 2673KB 2853KB [ 43.269993] kmalloc-256 2041KB 2471KB [ 43.288978] kmalloc-128 409KB 507KB [ 43.295150] kmalloc-96 301KB 396KB [ 43.301113] kmalloc-64 702KB 808KB [ 43.307914] kmalloc-32 1867KB 2189KB [ 43.314056] kmalloc-192 194KB 248KB [ 43.319980] kmem_cache 100KB 101KB [ 43.325372] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 43.333977] [ 1774] 0 1774 5366 167 90112 0 -1000 udevd [ 43.342159] [ 3342] 0 3342 14299 213 126976 0 0 rsyslogd [ 43.350594] [ 3397] 0 3397 4725 50 86016 0 0 cron [ 43.358666] [ 3415] 0 3415 3737 45 65536 0 0 mcstransd [ 43.367218] [ 3441] 0 3441 12490 153 139264 0 -1000 sshd [ 43.375316] [ 3467] 0 3467 3694 39 73728 0 0 getty [ 43.383492] [ 3468] 0 3468 3694 40 77824 0 0 getty [ 43.391735] [ 3469] 0 3469 3694 40 73728 0 0 getty [ 43.399902] [ 3470] 0 3470 3694 40 73728 0 0 getty [ 43.408076] [ 3471] 0 3471 3694 42 77824 0 0 getty [ 43.416246] [ 3472] 0 3472 3694 39 77824 0 0 getty [ 43.424417] [ 3473] 0 3473 3649 39 77824 0 0 getty [ 43.432605] [ 3476] 0 3476 5679 455 90112 0 -1000 udevd [ 43.440778] [ 3477] 0 3477 5679 455 90112 0 -1000 udevd [ 43.448947] [ 3493] 0 3493 17821 196 180224 0 0 sshd [ 43.457047] [ 3496] 0 3496 286 1 32768 0 0 syzkaller253899 [ 43.466085] [ 3497] 0 3497 286 13 32768 0 0 syzkaller253899 [ 43.475105] [ 3498] 0 3498 286 13 32768 0 0 syzkaller253899 [ 43.484137] [ 3499] 0 3499 286 13 32768 0 0 syzkaller253899 [ 43.493172] [ 3500] 0 3500 286 13 32768 0 0 syzkaller253899 [ 43.502208] [ 3501] 0 3501 286 13 32768 0 0 syzkaller253899 [ 43.511290] [ 3502] 0 3502 286 13 32768 0 0 syzkaller253899 [ 43.520309] [ 3503] 0 3503 286 13 32768 0 0 syzkaller253899 [ 43.529331] [ 3504] 0 3504 286 13 32768 0 0 syzkaller253899 [ 43.538362] [ 3513] 0 3513 4381 525 36864 0 0 syzkaller253899 [ 43.547402] [ 3514] 0 3514 4381 525 36864 0 0 syzkaller253899 [ 43.556437] [ 3515] 0 3515 4381 525 36864 0 0 syzkaller253899 [ 43.565481] [ 3516] 0 3516 4381 525 36864 0 0 syzkaller253899 [ 43.574513] [ 3517] 0 3517 4381 525 36864 0 0 syzkaller253899 [ 43.583537] [ 3518] 0 3518 4381 525 36864 0 0 syzkaller253899 [ 43.592572] [ 3519] 0 3519 4381 525 36864 0 0 syzkaller253899 [ 43.601611] [ 3521] 0 3521 4381 525 36864 0 0 syzkaller253899 [ 43.610625] Out of memory: Kill process 3493 (sshd) score 0 or sacrifice child [ 43.618884] Killed process 3496 (syzkaller253899) total-vm:1144kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 43.630497] oom_reaper: reaped process 3496 (syzkaller253899), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.641365] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 43.653854] rsyslogd cpuset=/ mems_allowed=0 [ 43.658346] CPU: 1 PID: 3346 Comm: rsyslogd Not tainted 4.15.0-rc7+ #258 [ 43.665167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.674501] Call Trace: [ 43.677080] dump_stack+0x194/0x257 [ 43.680701] ? arch_local_irq_restore+0x53/0x53 [ 43.685360] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.690548] dump_header+0x28c/0xe1e [ 43.694258] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.699438] ? pagefault_out_of_memory+0x152/0x152 [ 43.704352] ? check_noncircular+0x20/0x20 [ 43.708576] ? print_irqtrace_events+0x270/0x270 [ 43.713323] ? __lock_acquire+0x664/0x3e00 [ 43.717538] ? check_noncircular+0x20/0x20 [ 43.721749] ? find_held_lock+0x35/0x1d0 [ 43.725786] ? check_noncircular+0x20/0x20 [ 43.729993] ? task_will_free_mem+0x252/0xaa0 [ 43.734480] ? print_irqtrace_events+0x270/0x270 [ 43.739234] ? ___ratelimit+0x30d/0x630 [ 43.743192] ? lock_downgrade+0x980/0x980 [ 43.747318] ? lock_release+0xa40/0xa40 [ 43.751271] ? mark_held_locks+0xaf/0x100 [ 43.755389] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 43.760458] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.765440] ? trace_hardirqs_on+0xd/0x10 [ 43.769572] ? ___ratelimit+0x95/0x630 [ 43.773447] ? idr_get_free_cmn+0xfd0/0xfd0 [ 43.777756] ? check_noncircular+0x20/0x20 [ 43.781971] ? find_held_lock+0x138/0x1d0 [ 43.786116] oom_kill_process+0x8b5/0x14a0 [ 43.790334] ? has_ns_capability_noaudit+0x163/0x2a0 [ 43.795429] ? lock_downgrade+0x980/0x980 [ 43.799587] ? oom_evaluate_task+0x480/0x480 [ 43.803997] ? security_capable_noaudit+0x8b/0xc0 [ 43.808824] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 43.813907] ? has_capability+0x30/0x30 [ 43.817859] ? do_raw_spin_trylock+0x190/0x190 [ 43.822424] ? check_noncircular+0x20/0x20 [ 43.826654] ? has_capability_noaudit+0x24/0x30 [ 43.831311] ? oom_badness+0xd1/0x980 [ 43.835096] ? lock_release+0xa40/0xa40 [ 43.839057] ? do_try_to_free_pages+0xc53/0x1020 [ 43.843800] ? find_lock_task_mm+0x460/0x460 [ 43.848215] ? find_held_lock+0x35/0x1d0 [ 43.852277] ? out_of_memory+0xb3a/0x1220 [ 43.856410] ? lock_downgrade+0x980/0x980 [ 43.860549] ? lock_release+0xa40/0xa40 [ 43.864502] ? lock_acquire+0x1d5/0x580 [ 43.868460] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 43.873383] ? oom_evaluate_task+0x284/0x480 [ 43.877783] out_of_memory+0x86d/0x1220 [ 43.881754] ? oom_killer_disable+0x310/0x310 [ 43.886228] ? mutex_trylock+0x23a/0x2d0 [ 43.890272] ? __lock_is_held+0xb6/0x140 [ 43.894318] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.899771] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 43.904645] ? warn_alloc+0x2b0/0x2b0 [ 43.908429] ? lock_downgrade+0x980/0x980 [ 43.912579] ? radix_tree_lookup_slot+0x99/0xe0 [ 43.917253] ? find_get_entry+0x53c/0x9e0 [ 43.921381] ? lock_downgrade+0x980/0x980 [ 43.925546] ? __lock_acquire+0x664/0x3e00 [ 43.929788] ? __lock_is_held+0xb6/0x140 [ 43.933855] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.939741] ? __might_sleep+0x95/0x190 [ 43.943707] __alloc_pages_nodemask+0x9fb/0xd80 [ 43.948374] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 43.953377] ? add_to_page_cache_lru+0x510/0x510 [ 43.958131] ? check_noncircular+0x20/0x20 [ 43.962348] ? check_noncircular+0x20/0x20 [ 43.966580] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 43.971352] alloc_pages_current+0xb6/0x1e0 [ 43.975667] __page_cache_alloc+0x334/0x500 [ 43.979973] ? rcu_read_lock_held+0xa9/0xc0 [ 43.984282] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 43.991645] filemap_fault+0xefc/0x1c20 [ 43.995607] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.000798] ? __lock_page_or_retry+0x4f0/0x4f0 [ 44.005466] ? filemap_map_pages+0x942/0x15d0 [ 44.009968] ? find_get_entries_tag+0xeb0/0xeb0 [ 44.014621] ? __is_insn_slot_addr+0x1fc/0x330 [ 44.019195] ? lock_downgrade+0x980/0x980 [ 44.023332] ? check_noncircular+0x20/0x20 [ 44.027554] ? find_held_lock+0x35/0x1d0 [ 44.031599] ? print_irqtrace_events+0x270/0x270 [ 44.036338] ? print_irqtrace_events+0x270/0x270 [ 44.041083] ? is_bpf_text_address+0x7b/0x120 [ 44.045562] ? lock_downgrade+0x980/0x980 [ 44.049710] ? lock_acquire+0x1d5/0x580 [ 44.053662] ? lock_acquire+0x1d5/0x580 [ 44.057620] ? ext4_filemap_fault+0x7a/0xad [ 44.061925] ? __lock_acquire+0x664/0x3e00 [ 44.066153] ? lock_release+0xa40/0xa40 [ 44.070108] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 44.075973] ? is_bpf_text_address+0xa4/0x120 [ 44.080454] ? rcu_note_context_switch+0x710/0x710 [ 44.085375] ? __might_sleep+0x95/0x190 [ 44.089339] ? down_read+0x96/0x150 [ 44.092946] ? ext4_filemap_fault+0x7a/0xad [ 44.097250] ? __down_interruptible+0x6b0/0x6b0 [ 44.101908] ? do_syslog+0x8b5/0xb80 [ 44.105613] ext4_filemap_fault+0x82/0xad [ 44.109750] __do_fault+0xeb/0x30f [ 44.113272] ? vfs_read+0x11e/0x350 [ 44.116883] ? entry_SYSCALL_64_fastpath+0x23/0x9a [ 44.121797] ? pte_offset_kernel+0xc7/0xc7 [ 44.126026] ? check_noncircular+0x20/0x20 [ 44.130249] ? check_noncircular+0x20/0x20 [ 44.134480] __handle_mm_fault+0x1d8f/0x3ce0 [ 44.138881] ? __pmd_alloc+0x4e0/0x4e0 [ 44.142764] ? find_held_lock+0x35/0x1d0 [ 44.146820] ? handle_mm_fault+0x248/0x8d0 [ 44.151044] ? lock_downgrade+0x980/0x980 [ 44.155220] handle_mm_fault+0x334/0x8d0 [ 44.159267] ? memset+0x31/0x40 [ 44.162533] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 44.167099] ? vmacache_find+0x5f/0x280 [ 44.171065] ? vmacache_update+0xfe/0x130 [ 44.175204] ? find_vma+0x30/0x150 [ 44.178736] __do_page_fault+0x5c9/0xc90 [ 44.182778] ? vfs_copy_file_range+0x940/0x940 [ 44.187354] ? mm_fault_error+0x2c0/0x2c0 [ 44.191486] ? avc_policy_seqno+0x9/0x20 [ 44.195542] do_page_fault+0xee/0x720 [ 44.199331] ? __do_page_fault+0xc90/0xc90 [ 44.203563] ? fput+0xd2/0x140 [ 44.206739] ? SyS_read+0x184/0x220 [ 44.210352] ? entry_SYSCALL_64_fastpath+0x4f/0x9a [ 44.215266] ? page_fault+0x36/0x60 [ 44.218876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.223710] ? page_fault+0x36/0x60 [ 44.227327] page_fault+0x4c/0x60 [ 44.230763] RIP: 0033:0x7f2001e7f1fd [ 44.234455] RSP: 002b:00007f1fff41ee30 EFLAGS: 00010293 [ 44.239798] RAX: 000000000000003e RBX: 00000000017c34b0 RCX: 00007f2001e7f1fd [ 44.247050] RDX: 0000000000000fff RSI: 00007f2000c535a0 RDI: 0000000000000004 [ 44.254300] RBP: 0000000000000000 R08: 00000000017ae260 R09: 0000000000000000 [ 44.261552] R10: 0000000000000011 R11: 0000000000000293 R12: 000000000065e420 [ 44.268802] R13: 00007f1fff41f9c0 R14: 00007f20024c4040 R15: 0000000000000003 [ 44.276292] Mem-Info: [ 44.318723] active_anon:6154 inactive_anon:61 isolated_anon:0 [ 44.318723] active_file:9 inactive_file:7 isolated_file:4 [ 44.318723] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.318723] slab_reclaimable:7273 slab_unreclaimable:82109 [ 44.318723] mapped:2 shmem:68 pagetables:342 bounce:0 [ 44.318723] free:24231 free_pcp:52 free_cma:0 [ 44.350626] Node 0 active_anon:24616kB inactive_anon:244kB active_file:0kB inactive_file:96kB unevictable:0kB isolated(anon):0kB isolated(file):16kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 44.377519] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.403643] lowmem_reserve[]: 0 2871 6381 6381 [ 44.408658] Node 0 DMA32 free:44292kB min:30332kB low:37912kB high:45492kB active_anon:4kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.436053] lowmem_reserve[]: 0 0 3510 3510 [ 44.440397] Node 0 Normal free:36724kB min:37084kB low:46352kB high:55620kB active_anon:24612kB inactive_anon:240kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3296kB pagetables:1368kB bounce:0kB free_pcp:208kB local_pcp:88kB free_cma:0kB [ 44.469105] lowmem_reserve[]: 0 0 0 0 [ 44.472899] 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 [ 44.486468] Node 0 DMA32: 3*4kB (UM) 3*8kB (UME) 6*16kB (UME) 4*32kB (UME) 2*64kB (ME) 3*128kB (ME) 4*256kB (UME) 5*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (UM) = 44292kB [ 44.502733] Node 0 Normal: 243*4kB (ME) 165*8kB (UME) 124*16kB (M) 84*32kB (UM) 45*64kB (UME) 22*128kB (M) 20*256kB (ME) 3*512kB (UME) 1*1024kB (E) 0*2048kB 4*4096kB (U) = 36724kB [ 44.518952] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.527526] 97 total pagecache pages [ 44.531238] 0 pages in swap cache [ 44.534672] Swap cache stats: add 0, delete 0, find 0/0 [ 44.540436] Free swap = 0kB [ 44.543541] Total swap = 0kB [ 44.546558] 1965979 pages RAM [ 44.549643] 0 pages HighMem/MovableOnly [ 44.553598] 327749 pages reserved [ 44.557031] Unreclaimable slab info: [ 44.560725] Name Used Total [ 44.566245] hashtab_node 118KB 119KB [ 44.571591] ebitmap_node 397KB 397KB [ 44.576947] avtab_node 1012KB 1013KB [ 44.582295] TIPC 1KB 7KB [ 44.587641] SCTPv6 2KB 4KB [ 44.592989] DCCPv6 2KB 7KB [ 44.598336] DCCP 2KB 6KB [ 44.603692] fib6_nodes 0KB 4KB [ 44.609036] ip6_dst_cache 11KB 11KB [ 44.614382] RAWv6 9KB 13KB [ 44.619727] UDPv6 12KB 14KB [ 44.625079] TCPv6 27KB 27KB [ 44.630434] sd_ext_cdb 0KB 3KB [ 44.635794] scsi_sense_cache 111KB 116KB [ 44.641142] virtio_scsi_cmd 16KB 16KB [ 44.646493] sgpool-128 8KB 8KB [ 44.651869] sgpool-64 4KB 6KB [ 44.657229] sgpool-32 102KB 102KB [ 44.662593] sgpool-16 37KB 37KB [ 44.667936] sgpool-8 228KB 228KB [ 44.673704] cfq_io_cq 19KB 19KB [ 44.679048] cfq_queue 27KB 27KB [ 44.684393] mqueue_inode_cache 1KB 7KB [ 44.689825] nfs_commit_data 3KB 7KB [ 44.695169] nfs_write_data 34KB 37KB [ 44.700516] jbd2_inode 1KB 3KB [ 44.705862] ext4_system_zone 0KB 3KB [ 44.711215] bio-1 1KB 3KB [ 44.716566] rpc_buffers 17KB 19KB [ 44.721911] rpc_tasks 2KB 3KB [ 44.727253] UNIX 777KB 780KB [ 44.732598] tcp_bind_bucket 0KB 4KB [ 44.737967] ip_fib_trie 0KB 3KB [ 44.743326] ip_fib_alias 0KB 3KB [ 44.748672] ip_dst_cache 4KB 7KB [ 44.754037] RAW 5KB 7KB [ 44.759391] UDP 29KB 31KB [ 44.764747] TCP 7KB 7KB [ 44.770145] hugetlbfs_inode_cache 1KB 7KB [ 44.775841] eventpoll_pwq 10KB 11KB [ 44.781187] eventpoll_epi 18KB 23KB [ 44.786534] inotify_inode_mark 3KB 3KB [ 44.791975] request_queue 36KB 90KB [ 44.797320] blkdev_ioc 23KB 23KB [ 44.803112] bio-0 356KB 356KB [ 44.808469] biovec-(1<<(21-12)) 495KB 495KB [ 44.813989] biovec-64 157KB 157KB [ 44.819334] biovec-16 22KB 22KB [ 44.824679] bio_integrity_payload 0KB 4KB [ 44.830373] khugepaged_mm_slot 4KB 7KB [ 44.835810] uid_cache 0KB 3KB [ 44.841181] dmaengine-unmap-2 0KB 3KB [ 44.846559] audit_buffer 0KB 3KB [ 44.851936] skbuff_fclone_cache 135KB 135KB [ 44.857498] skbuff_head_cache 1687KB 1687KB [ 44.862874] configfs_dir_cache 0KB 4KB [ 44.868338] file_lock_cache 155KB 158KB [ 44.873716] file_lock_ctx 1KB 3KB [ 44.879094] fsnotify_mark_connector 2KB 3KB [ 44.884995] shmem_inode_cache 1038KB 1038KB [ 44.890373] task_delay_info 325KB 347KB [ 44.895752] sigqueue 351KB 354KB [ 44.901129] kernfs_node_cache 2156KB 2161KB [ 44.906502] mnt_cache 15KB 20KB [ 44.911882] filp 8481KB 8685KB [ 44.917258] names_cache 111549KB 111549KB [ 44.922654] avc_node 37KB 39KB [ 44.928051] selinux_file_security 430KB 453KB [ 44.933762] selinux_inode_security 1936KB 1936KB [ 44.940367] key_jar 3KB 7KB [ 44.945732] nsproxy 0KB 3KB [ 44.951107] vm_area_struct 17982KB 17982KB [ 44.956491] mm_struct 4328KB 4328KB [ 44.961855] fs_cache 434KB 436KB [ 44.967223] files_cache 1530KB 1530KB [ 44.972599] signal_cache 2436KB 2436KB [ 44.977976] sighand_cache 235KB 346KB [ 44.983356] task_struct 10394KB 10394KB [ 44.988724] cred_jar 2284KB 2284KB [ 44.994091] anon_vma_chain 7473KB 7473KB [ 44.999469] anon_vma 166KB 304KB [ 45.004851] pid 213KB 252KB [ 45.010228] Acpi-Operand 106KB 170KB [ 45.015616] Acpi-State 0KB 3KB [ 45.020999] Acpi-Namespace 19KB 23KB [ 45.026405] numa_policy 0KB 3KB [ 45.031782] debug_objects_cache 499KB 500KB [ 45.037336] trace_event_file 144KB 147KB [ 45.042719] ftrace_event_field 254KB 255KB [ 45.048186] pool_workqueue 22KB 24KB [ 45.053566] page->ptl 2984KB 2984KB [ 45.058966] kmalloc-262144 1032KB 1032KB [ 45.064346] kmalloc-131072 650KB 650KB [ 45.069724] kmalloc-65536 264KB 264KB [ 45.075888] kmalloc-32768 627KB 627KB [ 45.081270] kmalloc-16384 148KB 148KB [ 45.086645] kmalloc-8192 453KB 453KB [ 45.092041] kmalloc-4096 8045KB 8045KB [ 45.097416] kmalloc-2048 3149KB 3149KB [ 45.102799] kmalloc-1024 3787KB 3787KB [ 45.108176] kmalloc-512 2673KB 2853KB [ 45.113558] kmalloc-256 2028KB 2456KB [ 45.118995] kmalloc-128 409KB 507KB [ 45.127811] kmalloc-96 301KB 396KB [ 45.147397] kmalloc-64 702KB 808KB [ 45.167225] kmalloc-32 1865KB 2189KB [ 45.174892] kmalloc-192 194KB 248KB [ 45.180295] kmem_cache 100KB 101KB [ 45.185711] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 45.195061] [ 1774] 0 1774 5366 167 90112 0 -1000 udevd [ 45.203242] [ 3342] 0 3342 14299 213 126976 0 0 rsyslogd [ 45.211700] [ 3397] 0 3397 4725 50 86016 0 0 cron [ 45.219784] [ 3415] 0 3415 3737 45 65536 0 0 mcstransd [ 45.228280] [ 3441] 0 3441 12490 153 139264 0 -1000 sshd [ 45.236356] [ 3467] 0 3467 3694 39 73728 0 0 getty [ 45.244513] [ 3468] 0 3468 3694 40 77824 0 0 getty [ 45.252707] [ 3469] 0 3469 3694 40 73728 0 0 getty [ 45.260872] [ 3470] 0 3470 3694 40 73728 0 0 getty [ 45.269124] [ 3471] 0 3471 3694 42 77824 0 0 getty [ 45.277293] [ 3472] 0 3472 3694 39 77824 0 0 getty [ 45.285525] [ 3473] 0 3473 3649 39 77824 0 0 getty [ 45.293698] [ 3476] 0 3476 5679 455 90112 0 -1000 udevd [ 45.301874] [ 3477] 0 3477 5679 455 90112 0 -1000 udevd [ 45.310063] [ 3493] 0 3493 17821 196 180224 0 0 sshd [ 45.318190] [ 3497] 0 3497 286 13 32768 0 0 syzkaller253899 [ 45.327230] [ 3498] 0 3498 286 13 32768 0 0 syzkaller253899 [ 45.336278] [ 3499] 0 3499 286 13 32768 0 0 syzkaller253899 [ 45.345322] [ 3500] 0 3500 286 13 32768 0 0 syzkaller253899 [ 45.354383] [ 3501] 0 3501 286 13 32768 0 0 syzkaller253899 [ 45.363463] [ 3502] 0 3502 286 13 32768 0 0 syzkaller253899 [ 45.372509] [ 3503] 0 3503 286 13 32768 0 0 syzkaller253899 [ 45.381550] [ 3504] 0 3504 286 13 32768 0 0 syzkaller253899 [ 45.390600] [ 3513] 0 3513 4381 525 36864 0 0 syzkaller253899 [ 45.399632] [ 3514] 0 3514 4381 525 36864 0 0 syzkaller253899 [ 45.408666] [ 3515] 0 3515 4381 525 36864 0 0 syzkaller253899 [ 45.417706] [ 3516] 0 3516 4381 525 36864 0 0 syzkaller253899 [ 45.426744] [ 3517] 0 3517 4381 525 36864 0 0 syzkaller253899 [ 45.435781] [ 3518] 0 3518 4381 525 36864 0 0 syzkaller253899 [ 45.444805] [ 3519] 0 3519 4381 525 36864 0 0 syzkaller253899 [ 45.453834] [ 3521] 0 3521 4381 525 36864 0 0 syzkaller253899 [ 45.462867] Out of memory: Kill process 3513 (syzkaller253899) score 0 or sacrifice child [ 45.471994] Killed process 3513 (syzkaller253899) total-vm:17524kB, anon-rss:2100kB, file-rss:0kB, shmem-rss:0kB [ 45.529139] oom_reaper: reaped process 3513 (syzkaller253899), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 45.540650] syzkaller253899 invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 45.553489] syzkaller253899 cpuset=/ mems_allowed=0 [ 45.558580] CPU: 0 PID: 3499 Comm: syzkaller253899 Not tainted 4.15.0-rc7+ #258 [ 45.562376] syzkaller253899: vmalloc: allocation failure, allocated 873017344 of 2164137984 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 45.562381] syzkaller253899 cpuset=/ mems_allowed=0 [ 45.583873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.593200] Call Trace: [ 45.595770] dump_stack+0x194/0x257 [ 45.599378] ? arch_local_irq_restore+0x53/0x53 [ 45.604032] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.609212] dump_header+0x28c/0xe1e [ 45.612913] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.618086] ? pagefault_out_of_memory+0x152/0x152 [ 45.622993] ? check_noncircular+0x20/0x20 [ 45.627208] ? print_irqtrace_events+0x270/0x270 [ 45.631944] ? __lock_acquire+0x664/0x3e00 [ 45.636160] ? check_noncircular+0x20/0x20 [ 45.640380] ? find_held_lock+0x35/0x1d0 [ 45.644430] ? check_noncircular+0x20/0x20 [ 45.648641] ? task_will_free_mem+0x252/0xaa0 [ 45.653120] ? print_irqtrace_events+0x270/0x270 [ 45.657862] ? ___ratelimit+0x30d/0x630 [ 45.661815] ? lock_downgrade+0x980/0x980 [ 45.665943] ? lock_release+0xa40/0xa40 [ 45.669910] ? mark_held_locks+0xaf/0x100 [ 45.674038] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 45.679119] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.684112] ? trace_hardirqs_on+0xd/0x10 [ 45.688242] ? ___ratelimit+0x95/0x630 [ 45.692108] ? idr_get_free_cmn+0xfd0/0xfd0 [ 45.696405] ? check_noncircular+0x20/0x20 [ 45.700614] ? find_held_lock+0x138/0x1d0 [ 45.704753] oom_kill_process+0x8b5/0x14a0 [ 45.708970] ? has_ns_capability_noaudit+0x163/0x2a0 [ 45.714049] ? lock_downgrade+0x980/0x980 [ 45.718181] ? oom_evaluate_task+0x480/0x480 [ 45.722583] ? security_capable_noaudit+0x8b/0xc0 [ 45.727407] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 45.732486] ? has_capability+0x30/0x30 [ 45.736436] ? do_raw_spin_trylock+0x190/0x190 [ 45.740994] ? check_noncircular+0x20/0x20 [ 45.745213] ? has_capability_noaudit+0x24/0x30 [ 45.749858] ? oom_badness+0xd1/0x980 [ 45.753647] ? lock_release+0xa40/0xa40 [ 45.757597] ? do_try_to_free_pages+0xc53/0x1020 [ 45.762333] ? find_lock_task_mm+0x460/0x460 [ 45.766728] ? find_held_lock+0x35/0x1d0 [ 45.770777] ? out_of_memory+0xb3a/0x1220 [ 45.774905] ? lock_downgrade+0x980/0x980 [ 45.779034] ? lock_release+0xa40/0xa40 [ 45.782983] ? lock_acquire+0x1d5/0x580 [ 45.786935] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 45.791851] ? oom_evaluate_task+0x284/0x480 [ 45.796243] out_of_memory+0x86d/0x1220 [ 45.800205] ? oom_killer_disable+0x310/0x310 [ 45.804674] ? mutex_trylock+0x23a/0x2d0 [ 45.808714] ? __lock_is_held+0xb6/0x140 [ 45.812751] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 45.818194] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 45.823026] ? trace_hardirqs_on+0xd/0x10 [ 45.827177] ? warn_alloc+0x2b0/0x2b0 [ 45.830952] ? lock_downgrade+0x980/0x980 [ 45.835091] ? __lock_is_held+0xb6/0x140 [ 45.839146] ? find_get_entry+0x53c/0x9e0 [ 45.843303] ? __lock_acquire+0x664/0x3e00 [ 45.847547] ? __lock_is_held+0xb6/0x140 [ 45.851606] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 45.857481] ? __might_sleep+0x95/0x190 [ 45.861442] __alloc_pages_nodemask+0x9fb/0xd80 [ 45.866096] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 45.871098] ? add_to_page_cache_lru+0x510/0x510 [ 45.875840] ? check_noncircular+0x20/0x20 [ 45.880048] ? check_noncircular+0x20/0x20 [ 45.884268] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 45.889038] alloc_pages_current+0xb6/0x1e0 [ 45.893345] __page_cache_alloc+0x334/0x500 [ 45.897646] ? rcu_read_lock_held+0xa9/0xc0 [ 45.901948] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 45.909300] filemap_fault+0xefc/0x1c20 [ 45.913251] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.918434] ? __lock_page_or_retry+0x4f0/0x4f0 [ 45.923090] ? filemap_map_pages+0x942/0x15d0 [ 45.927580] ? find_get_entries_tag+0xeb0/0xeb0 [ 45.932228] ? check_noncircular+0x20/0x20 [ 45.936450] ? check_noncircular+0x20/0x20 [ 45.940657] ? find_held_lock+0x35/0x1d0 [ 45.944700] ? print_irqtrace_events+0x270/0x270 [ 45.949432] ? print_irqtrace_events+0x270/0x270 [ 45.954164] ? print_irqtrace_events+0x270/0x270 [ 45.958898] ? lock_downgrade+0x980/0x980 [ 45.963041] ? lock_acquire+0x1d5/0x580 [ 45.966989] ? lock_acquire+0x1d5/0x580 [ 45.970941] ? ext4_filemap_fault+0x7a/0xad [ 45.975240] ? __lock_acquire+0x664/0x3e00 [ 45.979453] ? lock_release+0xa40/0xa40 [ 45.983405] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 45.989271] ? rcu_note_context_switch+0x710/0x710 [ 45.994184] ? __might_sleep+0x95/0x190 [ 45.998139] ? down_read+0x96/0x150 [ 46.001740] ? ext4_filemap_fault+0x7a/0xad [ 46.006039] ? __down_interruptible+0x6b0/0x6b0 [ 46.010700] ext4_filemap_fault+0x82/0xad [ 46.014830] __do_fault+0xeb/0x30f [ 46.018349] ? pte_offset_kernel+0xc7/0xc7 [ 46.022567] ? do_raw_spin_trylock+0x190/0x190 [ 46.027221] ? check_noncircular+0x20/0x20 [ 46.031443] __handle_mm_fault+0x1d8f/0x3ce0 [ 46.035837] ? __pmd_alloc+0x4e0/0x4e0 [ 46.039714] ? find_held_lock+0x35/0x1d0 [ 46.043765] ? handle_mm_fault+0x248/0x8d0 [ 46.047976] ? lock_downgrade+0x980/0x980 [ 46.052136] handle_mm_fault+0x334/0x8d0 [ 46.056172] ? down_read_trylock+0xdb/0x170 [ 46.060468] ? __do_page_fault+0x32d/0xc90 [ 46.064680] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 46.069244] ? vmacache_find+0x5f/0x280 [ 46.073200] ? find_vma+0x30/0x150 [ 46.076722] __do_page_fault+0x5c9/0xc90 [ 46.080756] ? kernel_wait4+0x26e/0x370 [ 46.084717] ? mm_fault_error+0x2c0/0x2c0 [ 46.088859] do_page_fault+0xee/0x720 [ 46.092635] ? nanosleep_copyout+0x100/0x100 [ 46.097024] ? __do_page_fault+0xc90/0xc90 [ 46.101235] ? enqueue_hrtimer+0x4a0/0x4a0 [ 46.105463] ? retint_user+0x18/0x18 [ 46.109155] ? page_fault+0x36/0x60 [ 46.112762] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.117588] ? page_fault+0x36/0x60 [ 46.121195] page_fault+0x4c/0x60 [ 46.124630] RIP: 0033:0x441694 [ 46.127793] RSP: 002b:00007ffd8ace4e00 EFLAGS: 00010217 [ 46.133132] RAX: 0000000000000000 RBX: 0000000000000dbc RCX: 000000000043fed0 [ 46.140378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd8ace4e00 [ 46.147623] RBP: 0000000000009b19 R08: 0000000000000dab R09: 00000000009f8940 [ 46.154865] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000dbc [ 46.162110] R13: 0000000000402b40 R14: 0000000000000000 R15: 0000000000000000 [ 46.170094] CPU: 1 PID: 3513 Comm: syzkaller253899 Not tainted 4.15.0-rc7+ #258 [ 46.170282] Mem-Info: [ 46.170299] active_anon:5637 inactive_anon:61 isolated_anon:0 [ 46.170299] active_file:10 inactive_file:15 isolated_file:0 [ 46.170299] unevictable:0 dirty:0 writeback:0 unstable:0 [ 46.170299] slab_reclaimable:7273 slab_unreclaimable:82109 [ 46.170299] mapped:2 shmem:68 pagetables:341 bounce:0 [ 46.170299] free:15805 free_pcp:86 free_cma:0 [ 46.170312] Node 0 active_anon:22548kB inactive_anon:244kB active_file:40kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 46.170315] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 46.170331] lowmem_reserve[]: 0 2871 6381 6381 [ 46.170349] Node 0 DMA32 free:28792kB min:30332kB low:37912kB high:45492kB active_anon:4kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 46.170364] lowmem_reserve[]: 0 0 3510 3510 [ 46.170377] Node 0 Normal free:18520kB min:37084kB low:46352kB high:55620kB active_anon:22544kB inactive_anon:240kB active_file:140kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3296kB pagetables:1364kB bounce:0kB free_pcp:224kB local_pcp:92kB free_cma:0kB [ 46.170394] lowmem_reserve[]: 0 0 0 0 [ 46.170406] 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 [ 46.170461] Node 0 DMA32: 2*4kB (M) 2*8kB (ME) 4*16kB (ME) 3*32kB (UME) 3*64kB (UME) 4*128kB (UME) 3*256kB (ME) 5*512kB (UME) 4*1024kB (ME) 4*2048kB (UME) 3*4096kB (M) = 28792kB [ 46.170520] Node 0 Normal: 242*4kB (M) 161*8kB (UM) 125*16kB (UM) 84*32kB (UM) 43*64kB (M) 23*128kB (UM) 20*256kB (UM) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 18272kB [ 46.170578] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 46.170581] 97 total pagecache pages [ 46.170590] 0 pages in swap cache [ 46.170595] Swap cache stats: add 0, delete 0, find 0/0 [ 46.170598] Free swap = 0kB [ 46.170600] Total swap = 0kB [ 46.170603] 1965979 pages RAM [ 46.170606] 0 pages HighMem/MovableOnly [ 46.170609] 327749 pages reserved [ 46.170612] Unreclaimable slab info: [ 46.170615] Name Used Total [ 46.170622] hashtab_node 118KB 119KB [ 46.170627] ebitmap_node 397KB 397KB [ 46.170634] avtab_node 1012KB 1013KB [ 46.170642] TIPC 1KB 7KB [ 46.170650] SCTPv6 2KB 4KB [ 46.170659] DCCPv6 2KB 7KB [ 46.170665] DCCP 2KB 6KB [ 46.170686] fib6_nodes 0KB 4KB [ 46.170691] ip6_dst_cache 11KB 11KB [ 46.170698] RAWv6 9KB 13KB [ 46.170704] UDPv6 12KB 14KB [ 46.170710] TCPv6 27KB 27KB [ 46.170727] sd_ext_cdb 0KB 3KB [ 46.170732] scsi_sense_cache 111KB 116KB [ 46.170738] virtio_scsi_cmd 16KB 16KB [ 46.170745] sgpool-128 8KB 8KB [ 46.170750] sgpool-64 4KB 6KB [ 46.170755] sgpool-32 102KB 102KB [ 46.170760] sgpool-16 37KB 37KB [ 46.170764] sgpool-8 228KB 228KB [ 46.170772] cfq_io_cq 19KB 19KB [ 46.170776] cfq_queue 27KB 27KB [ 46.170783] mqueue_inode_cache 1KB 7KB [ 46.170789] nfs_commit_data 3KB 7KB [ 46.170794] nfs_write_data 34KB 37KB [ 46.170801] jbd2_inode 1KB 3KB [ 46.170807] ext4_system_zone 0KB 3KB [ 46.170819] bio-1 1KB 3KB [ 46.170831] rpc_buffers 17KB 19KB [ 46.170836] rpc_tasks 2KB 3KB [ 46.170841] UNIX 777KB 780KB [ 46.170850] tcp_bind_bucket 0KB 4KB [ 46.170857] ip_fib_trie 0KB 3KB [ 46.170862] ip_fib_alias 0KB 3KB [ 46.170867] ip_dst_cache 4KB 7KB [ 46.170872] RAW 5KB 7KB [ 46.170877] UDP 29KB 31KB [ 46.170883] TCP 7KB 7KB [ 46.170888] hugetlbfs_inode_cache 1KB 7KB [ 46.170894] eventpoll_pwq 10KB 11KB [ 46.170899] eventpoll_epi 18KB 23KB [ 46.170904] inotify_inode_mark 3KB 3KB [ 46.170910] request_queue 36KB 90KB [ 46.170917] blkdev_ioc 23KB 23KB [ 46.170922] bio-0 356KB 356KB [ 46.170927] biovec-(1<<(21-12)) 495KB 495KB [ 46.170932] biovec-64 157KB 157KB [ 46.170937] biovec-16 22KB 22KB [ 46.170943] bio_integrity_payload 0KB 4KB [ 46.170947] khugepaged_mm_slot 4KB 7KB [ 46.170956] uid_cache 0KB 3KB [ 46.170961] dmaengine-unmap-2 0KB 3KB [ 46.170966] audit_buffer 0KB 3KB [ 46.170972] skbuff_fclone_cache 135KB 135KB [ 46.170976] skbuff_head_cache 1687KB 1687KB [ 46.170981] configfs_dir_cache 0KB 4KB [ 46.170986] file_lock_cache 155KB 158KB [ 46.170992] file_lock_ctx 1KB 3KB [ 46.170997] fsnotify_mark_connector 2KB 3KB [ 46.171006] shmem_inode_cache 1038KB 1038KB [ 46.171035] task_delay_info 325KB 347KB [ 46.171042] sigqueue 351KB 354KB [ 46.171047] kernfs_node_cache 2156KB 2161KB [ 46.171052] mnt_cache 15KB 20KB [ 46.171057] filp 8481KB 8685KB [ 46.171062] names_cache 111549KB 111549KB [ 46.171070] avc_node 37KB 39KB [ 46.171075] selinux_file_security 430KB 453KB [ 46.171080] selinux_inode_security 1936KB 1936KB [ 46.171085] key_jar 3KB 7KB [ 46.171090] nsproxy 0KB 3KB [ 46.171095] vm_area_struct 17982KB 17982KB [ 46.171100] mm_struct 4328KB 4328KB [ 46.171105] fs_cache 434KB 436KB [ 46.171110] files_cache 1530KB 1530KB [ 46.171114] signal_cache 2436KB 2436KB [ 46.171120] sighand_cache 235KB 346KB [ 46.171125] task_struct 10394KB 10394KB [ 46.171130] cred_jar 2284KB 2284KB [ 46.171135] anon_vma_chain 7473KB 7473KB [ 46.171140] anon_vma 166KB 304KB [ 46.171145] pid 213KB 252KB [ 46.171150] Acpi-Operand 106KB 170KB [ 46.171156] Acpi-State 0KB 3KB [ 46.171161] Acpi-Namespace 19KB 23KB [ 46.171166] numa_policy 0KB 3KB [ 46.171171] debug_objects_cache 499KB 500KB [ 46.171177] trace_event_file 144KB 147KB [ 46.171182] ftrace_event_field 254KB 255KB [ 46.171187] pool_workqueue 22KB 24KB [ 46.171193] page->ptl 2984KB 2984KB [ 46.171216] kmalloc-262144 1032KB 1032KB [ 46.171221] kmalloc-131072 650KB 650KB [ 46.171226] kmalloc-65536 264KB 264KB [ 46.171231] kmalloc-32768 627KB 627KB [ 46.171236] kmalloc-16384 148KB 148KB [ 46.171241] kmalloc-8192 453KB 453KB [ 46.171246] kmalloc-4096 8045KB 8045KB [ 46.171250] kmalloc-2048 3149KB 3149KB [ 46.171255] kmalloc-1024 3787KB 3787KB [ 46.171260] kmalloc-512 2673KB 2853KB [ 46.171264] kmalloc-256 2028KB 2456KB [ 46.171269] kmalloc-128 409KB 507KB [ 46.171274] kmalloc-96 301KB 396KB [ 46.171279] kmalloc-64 702KB 808KB [ 46.171284] kmalloc-32 1865KB 2189KB [ 46.171289] kmalloc-192 194KB 248KB [ 46.171294] kmem_cache 100KB 101KB [ 46.171298] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 46.171326] [ 1774] 0 1774 5366 167 90112 0 -1000 udevd [ 46.171337] [ 3342] 0 3342 14299 213 126976 0 0 rsyslogd [ 46.171351] [ 3397] 0 3397 4725 50 86016 0 0 cron [ 46.171362] [ 3415] 0 3415 3737 45 65536 0 0 mcstransd [ 46.171372] [ 3441] 0 3441 12490 153 139264 0 -1000 sshd [ 46.171384] [ 3467] 0 3467 3694 39 73728 0 0 getty [ 46.171394] [ 3468] 0 3468 3694 40 77824 0 0 getty [ 46.171404] [ 3469] 0 3469 3694 40 73728 0 0 getty [ 46.171414] [ 3470] 0 3470 3694 40 73728 0 0 getty [ 46.171425] [ 3471] 0 3471 3694 42 77824 0 0 getty [ 46.171435] [ 3472] 0 3472 3694 39 77824 0 0 getty [ 46.171445] [ 3473] 0 3473 3649 39 77824 0 0 getty [ 46.171456] [ 3476] 0 3476 5679 455 90112 0 -1000 udevd [ 46.171466] [ 3477] 0 3477 5679 455 90112 0 -1000 udevd [ 46.171476] [ 3493] 0 3493 17821 196 180224 0 0 sshd [ 46.171489] [ 3497] 0 3497 286 13 32768 0 0 syzkaller253899 [ 46.171499] [ 3498] 0 3498 286 13 32768 0 0 syzkaller253899 [ 46.171509] [ 3499] 0 3499 286 13 32768 0 0 syzkaller253899 [ 46.171519] [ 3500] 0 3500 286 13 32768 0 0 syzkaller253899 [ 46.171530] [ 3501] 0 3501 286 13 32768 0 0 syzkaller253899 [ 46.171540] [ 3502] 0 3502 286 13 32768 0 0 syzkaller253899 [ 46.171550] [ 3503] 0 3503 286 13 32768 0 0 syzkaller253899 [ 46.171561] [ 3504] 0 3504 286 13 32768 0 0 syzkaller253899 [ 46.171571] [ 3513] 0 3513 4381 0 32768 0 0 syzkaller253899 [ 46.171581] [ 3514] 0 3514 4381 525 36864 0 0 syzkaller253899 [ 46.171592] [ 3515] 0 3515 4381 525 36864 0 0 syzkaller253899 [ 46.171602] [ 3516] 0 3516 4381 525 36864 0 0 syzkaller253899 [ 46.171612] [ 3517] 0 3517 4381 525 36864 0 0 syzkaller253899 [ 46.171623] [ 3518] 0 3518 4381 525 36864 0 0 syzkaller253899 [ 46.171633] [ 3519] 0 3519 4381 525 36864 0 0 syzkaller253899 [ 46.171644] [ 3521] 0 3521 4381 525 36864 0 0 syzkaller253899 [ 46.171649] Out of memory: Kill process 3514 (syzkaller253899) score 0 or sacrifice child [ 46.171671] Killed process 3514 (syzkaller253899) total-vm:17524kB, anon-rss:2100kB, file-rss:0kB, shmem-rss:0kB [ 47.297624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.306967] Call Trace: [ 47.309549] dump_stack+0x194/0x257 [ 47.313172] ? arch_local_irq_restore+0x53/0x53 [ 47.317828] ? idr_get_free_cmn+0xfd0/0xfd0 [ 47.322157] warn_alloc+0x19a/0x2b0 [ 47.325889] ? zone_watermark_ok_safe+0x400/0x400 [ 47.330752] ? rcu_note_context_switch+0x710/0x710 [ 47.335693] __vmalloc_node_range+0x482/0x650 [ 47.340194] ? xt_alloc_table_info+0x64/0xe0 [ 47.344592] __vmalloc_node_flags_caller+0x50/0x60 [ 47.349514] ? xt_alloc_table_info+0x64/0xe0 [ 47.353919] kvmalloc_node+0x82/0xd0 [ 47.357627] xt_alloc_table_info+0x64/0xe0 [ 47.361855] do_ip6t_set_ctl+0x29b/0x5f0 [ 47.365914] ? translate_compat_table+0x1c50/0x1c50 [ 47.370942] ? mutex_unlock+0xd/0x10 [ 47.374643] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 47.379915] nf_setsockopt+0x67/0xc0 [ 47.383623] ipv6_setsockopt+0x115/0x150 [ 47.387676] tcp_setsockopt+0x82/0xd0 [ 47.391472] sock_common_setsockopt+0x95/0xd0 [ 47.395961] SyS_setsockopt+0x189/0x360 [ 47.399929] ? SyS_recv+0x40/0x40 [ 47.403386] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 47.408219] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 47.413223] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.417976] entry_SYSCALL_64_fastpath+0x23/0x9a [ 47.422712] RIP: 0033:0x4416b9 [ 47.425889] RSP: 002b:00007ffd8ace4e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 47.433583] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004416b9 [ 47.440838] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 47.448177] RBP: 0000000000005e5e R08: 0000000000000004 R09: 0000000000005e5e [ 47.455430] R10: 0000000020001fde R11: 0000000000000246 R12: 0000000000000000 [ 47.462680] R13: 0000000000402b40 R14: 0000000000000000 R15: 0000000000000000 [ 47.470235] warn_alloc_show_mem: 1 callbacks suppressed [ 47.470237] Mem-Info: [ 47.473891] syzkaller253899: vmalloc: allocation failure, allocated 821452800 of 2164137984 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 47.473896] syzkaller253899 cpuset=/ mems_allowed=0 [ 47.473913] CPU: 0 PID: 3514 Comm: syzkaller253899 Not tainted 4.15.0-rc7+ #258 [ 47.473919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.473922] Call Trace: [ 47.473935] dump_stack+0x194/0x257 [ 47.473948] ? arch_local_irq_restore+0x53/0x53 [ 47.473955] ? idr_get_free_cmn+0xfd0/0xfd0 [ 47.473968] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.473987] warn_alloc+0x19a/0x2b0 [ 47.474000] ? zone_watermark_ok_safe+0x400/0x400 [ 47.474028] ? rcu_note_context_switch+0x710/0x710 [ 47.474055] __vmalloc_node_range+0x482/0x650 [ 47.474079] ? xt_alloc_table_info+0x64/0xe0 [ 47.474088] __vmalloc_node_flags_caller+0x50/0x60 [ 47.474096] ? xt_alloc_table_info+0x64/0xe0 [ 47.474109] kvmalloc_node+0x82/0xd0 [ 47.474122] xt_alloc_table_info+0x64/0xe0 [ 47.474134] do_ip6t_set_ctl+0x29b/0x5f0 [ 47.474148] ? translate_compat_table+0x1c50/0x1c50 [ 47.474175] ? mutex_unlock+0xd/0x10 [ 47.474185] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 47.474201] nf_setsockopt+0x67/0xc0 [ 47.474215] ipv6_setsockopt+0x115/0x150 [ 47.474241] tcp_setsockopt+0x82/0xd0 [ 47.474259] sock_common_setsockopt+0x95/0xd0 [ 47.474274] SyS_setsockopt+0x189/0x360 [ 47.474288] ? SyS_recv+0x40/0x40 [ 47.474300] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 47.474313] ? trace_hardirqs_on_caller+0x421/0x5c0 executing program [ 47.474323] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.474345] entry_SYSCALL_64_fastpath+0x23/0x9a [ 47.474350] RIP: 0033:0x4416b9 [ 47.474354] RSP: 002b:00007ffd8ace4e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 47.474361] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004416b9 [ 47.474365] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 47.474369] RBP: 0000000000005e5c R08: 0000000000000004 R09: 0000000000005e5c [ 47.474373] R10: 0000000020001fde R11: 0000000000000246 R12: 0000000000000000 [ 47.474377] R13: 0000000000402b40 R14: 0000000000000000 R15: 0000000000000000 [ 47.602053] oom_reaper: reaped process 3514 (syzkaller253899), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 47.602902] syzkaller253899 invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 47.602907] syzkaller253899 cpuset=/ mems_allowed=0 [ 47.602925] CPU: 1 PID: 3498 Comm: syzkaller253899 Not tainted 4.15.0-rc7+ #258 [ 47.602929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.602933] Call Trace: [ 47.602949] dump_stack+0x194/0x257 [ 47.602963] ? arch_local_irq_restore+0x53/0x53 [ 47.602977] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 47.603000] dump_header+0x28c/0xe1e [ 47.603023] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 47.603037] ? pagefault_out_of_memory+0x152/0x152 [ 47.603045] ? check_noncircular+0x20/0x20 [ 47.603059] ? print_irqtrace_events+0x270/0x270 [ 47.603075] ? __lock_acquire+0x664/0x3e00 [ 47.603089] ? check_noncircular+0x20/0x20 [ 47.603109] ? find_held_lock+0x35/0x1d0 [ 47.603129] ? check_noncircular+0x20/0x20 [ 47.603136] ? task_will_free_mem+0x252/0xaa0 [ 47.603153] ? print_irqtrace_events+0x270/0x270 [ 47.603174] ? ___ratelimit+0x30d/0x630 [ 47.603185] ? lock_downgrade+0x980/0x980 [ 47.603201] ? lock_release+0xa40/0xa40 [ 47.603217] ? mark_held_locks+0xaf/0x100 [ 47.603229] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 47.603242] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 47.603253] ? trace_hardirqs_on+0xd/0x10 [ 47.603265] ? ___ratelimit+0x95/0x630 [ 47.603276] ? idr_get_free_cmn+0xfd0/0xfd0 [ 47.603285] ? check_noncircular+0x20/0x20 [ 47.603292] ? find_held_lock+0x138/0x1d0 [ 47.603312] oom_kill_process+0x8b5/0x14a0 [ 47.603329] ? has_ns_capability_noaudit+0x163/0x2a0 [ 47.603339] ? lock_downgrade+0x980/0x980 [ 47.603356] ? oom_evaluate_task+0x480/0x480 [ 47.603384] ? security_capable_noaudit+0x8b/0xc0 [ 47.603400] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 47.603410] ? has_capability+0x30/0x30 [ 47.603418] ? do_raw_spin_trylock+0x190/0x190 [ 47.603428] ? check_noncircular+0x20/0x20 [ 47.603448] ? has_capability_noaudit+0x24/0x30 [ 47.603458] ? oom_badness+0xd1/0x980 [ 47.603464] ? lock_release+0xa40/0xa40 [ 47.603471] ? do_try_to_free_pages+0xc53/0x1020 [ 47.603484] ? find_lock_task_mm+0x460/0x460 [ 47.603501] ? find_held_lock+0x35/0x1d0 [ 47.603522] ? out_of_memory+0xb3a/0x1220 [ 47.603533] ? lock_downgrade+0x980/0x980 [ 47.603547] ? lock_release+0xa40/0xa40 [ 47.603553] ? lock_acquire+0x1d5/0x580 [ 47.603564] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 47.603585] ? oom_evaluate_task+0x284/0x480 [ 47.603603] out_of_memory+0x86d/0x1220 [ 47.603625] ? oom_killer_disable+0x310/0x310 [ 47.603632] ? mutex_trylock+0x23a/0x2d0 [ 47.603642] ? __lock_is_held+0xb6/0x140 [ 47.603652] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 47.603679] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 47.603702] ? trace_hardirqs_on+0xd/0x10 [ 47.603744] ? warn_alloc+0x2b0/0x2b0 [ 47.603753] ? lock_downgrade+0x980/0x980 [ 47.603778] ? __lock_is_held+0xb6/0x140 [ 47.603809] ? find_get_entry+0x53c/0x9e0 [ 47.603854] ? __lock_acquire+0x664/0x3e00 [ 47.603886] ? __lock_is_held+0xb6/0x140 [ 47.603918] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 47.603944] ? __might_sleep+0x95/0x190 [ 47.603960] __alloc_pages_nodemask+0x9fb/0xd80 [ 47.603979] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 47.603990] ? add_to_page_cache_lru+0x510/0x510 [ 47.604010] ? check_noncircular+0x20/0x20 [ 47.604018] ? check_noncircular+0x20/0x20 [ 47.604028] ? _find_next_bit+0xee/0x120 [ 47.604046] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 47.604087] alloc_pages_current+0xb6/0x1e0 [ 47.604104] __page_cache_alloc+0x334/0x500 [ 47.604113] ? rcu_read_lock_held+0xa9/0xc0 [ 47.604127] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 47.604155] filemap_fault+0xefc/0x1c20 [ 47.604163] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 47.604190] ? __lock_page_or_retry+0x4f0/0x4f0 [ 47.604212] ? filemap_map_pages+0x942/0x15d0 [ 47.604242] ? find_get_entries_tag+0xeb0/0xeb0 [ 47.604256] ? check_noncircular+0x20/0x20 [ 47.604269] ? check_noncircular+0x20/0x20 [ 47.604276] ? switched_to_fair+0xb0/0xb0 [ 47.604292] ? print_irqtrace_events+0x270/0x270 [ 47.604301] ? print_irqtrace_events+0x270/0x270 [ 47.604309] ? print_irqtrace_events+0x270/0x270 [ 47.604317] ? pick_next_entity+0x197/0x400 [ 47.604349] ? lock_acquire+0x1d5/0x580 [ 47.604355] ? lock_acquire+0x1d5/0x580 [ 47.604365] ? ext4_filemap_fault+0x7a/0xad [ 47.604377] ? __lock_acquire+0x664/0x3e00 [ 47.604390] ? lock_release+0xa40/0xa40 [ 47.604398] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 47.604413] ? rcu_note_context_switch+0x710/0x710 [ 47.604431] ? __might_sleep+0x95/0x190 [ 47.604445] ? down_read+0x96/0x150 [ 47.604452] ? ext4_filemap_fault+0x7a/0xad [ 47.604461] ? __down_interruptible+0x6b0/0x6b0 [ 47.604488] ext4_filemap_fault+0x82/0xad [ 47.604500] __do_fault+0xeb/0x30f [ 47.604514] ? pte_offset_kernel+0xc7/0xc7 [ 47.604527] ? do_raw_spin_trylock+0x190/0x190 [ 47.604544] ? check_noncircular+0x20/0x20 [ 47.604563] __handle_mm_fault+0x1d8f/0x3ce0 [ 47.604582] ? __pmd_alloc+0x4e0/0x4e0 [ 47.604603] ? find_held_lock+0x35/0x1d0 [ 47.604625] ? handle_mm_fault+0x248/0x8d0 [ 47.604636] ? lock_downgrade+0x980/0x980 [ 47.604685] handle_mm_fault+0x334/0x8d0 [ 47.604691] ? down_read_trylock+0xdb/0x170 [ 47.604699] ? __do_page_fault+0x32d/0xc90 [ 47.604710] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 47.604722] ? vmacache_find+0x5f/0x280 [ 47.604738] ? find_vma+0x30/0x150 [ 47.604753] __do_page_fault+0x5c9/0xc90 [ 47.604761] ? kernel_wait4+0x26e/0x370 [ 47.604782] ? mm_fault_error+0x2c0/0x2c0 [ 47.604809] do_page_fault+0xee/0x720 [ 47.604817] ? nanosleep_copyout+0x100/0x100 [ 47.604828] ? __do_page_fault+0xc90/0xc90 [ 47.604837] ? enqueue_hrtimer+0x4a0/0x4a0 [ 47.604866] ? retint_user+0x18/0x18 [ 47.604878] ? page_fault+0x36/0x60 [ 47.604889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.604904] ? page_fault+0x36/0x60 [ 47.604916] page_fault+0x4c/0x60 [ 47.604923] RIP: 0033:0x441694 [ 47.604927] RSP: 002b:00007ffd8ace4e00 EFLAGS: 00010217 [ 47.604934] RAX: 0000000000000000 RBX: 0000000000000dbd RCX: 000000000043fed0 [ 47.604938] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd8ace4e00 [ 47.604942] RBP: 0000000000009b20 R08: 0000000000000daa R09: 00000000009f8940 [ 47.604946] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000dbd [ 47.604951] R13: 0000000000402b40 R14: 0000000000000000 R15: 0000000000000000 [ 47.605044] Mem-Info: [ 47.605061] active_anon:5121 inactive_anon:61 isolated_anon:0 [ 47.605061] active_file:15 inactive_file:14 isolated_file:0 [ 47.605061] unevictable:0 dirty:0 writeback:0 unstable:0 [ 47.605061] slab_reclaimable:7273 slab_unreclaimable:82109 [ 47.605061] mapped:2 shmem:68 pagetables:341 bounce:0 [ 47.605061] free:16288 free_pcp:37 free_cma:0 [ 47.605075] Node 0 active_anon:20484kB inactive_anon:244kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 47.605078] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Connection to 10.128.0.24 closed by remote host.