[....] Starting enhanced syslogd: rsyslogd[ 11.824394] audit: type=1400 audit(1516128764.339:5): avc: denied { syslog } for pid=3511 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: [ 17.497891] audit: type=1400 audit(1516128770.012:6): avc: denied { map } for pid=3652 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 '10.128.0.12' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 23.724522] audit: type=1400 audit(1516128776.239:7): avc: denied { map } for pid=3665 comm="syzkaller633346" path="/root/syzkaller633346039" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 23.757383] audit: type=1400 audit(1516128776.239:8): avc: denied { map_create } for pid=3671 comm="syzkaller633346" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 29.917027] syzkaller633346 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 29.929653] syzkaller633346 cpuset=/ mems_allowed=0 [ 29.934910] CPU: 0 PID: 3667 Comm: syzkaller633346 Not tainted 4.15.0-rc8-next-20180116+ #98 [ 29.943468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.952794] Call Trace: [ 29.955361] dump_stack+0x194/0x257 [ 29.958969] ? arch_local_irq_restore+0x53/0x53 [ 29.963617] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.968792] dump_header+0x28c/0xe2b [ 29.972489] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.977656] ? pagefault_out_of_memory+0x145/0x145 [ 29.982566] ? print_irqtrace_events+0x270/0x270 [ 29.987306] ? avc_has_perm_noaudit+0x37e/0x520 [ 29.991952] ? check_noncircular+0x20/0x20 [ 29.996174] ? reacquire_held_locks+0x1f9/0x3e0 [ 30.000814] ? reacquire_held_locks+0x1f9/0x3e0 [ 30.005457] ? check_noncircular+0x20/0x20 [ 30.009668] ? task_will_free_mem+0x252/0xaa0 [ 30.014138] ? check_noncircular+0x20/0x20 [ 30.018351] ? print_irqtrace_events+0x270/0x270 [ 30.023087] ? ___ratelimit+0x30d/0x630 [ 30.027039] ? lock_downgrade+0x980/0x980 [ 30.031166] ? lock_release+0xa40/0xa40 [ 30.035122] ? mark_held_locks+0xaf/0x100 [ 30.039249] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 30.044336] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.049329] ? trace_hardirqs_on+0xd/0x10 [ 30.053457] ? ___ratelimit+0x95/0x630 [ 30.057321] ? idr_get_free_cmn+0xfd0/0xfd0 [ 30.061617] ? check_noncircular+0x20/0x20 [ 30.065837] oom_kill_process+0x81b/0x9f0 [ 30.069960] ? oom_badness+0xd1/0x980 [ 30.073734] ? lock_release+0xa40/0xa40 [ 30.077686] ? oom_kill_memcg_member+0x20/0x20 [ 30.082240] ? mark_held_locks+0xaf/0x100 [ 30.086366] ? oom_evaluate_task+0x480/0x480 [ 30.090759] ? out_of_memory+0xe1c/0x1790 [ 30.094883] ? lock_downgrade+0x980/0x980 [ 30.099017] ? lock_release+0xa40/0xa40 [ 30.102967] ? find_next_bit+0xcc/0x100 [ 30.106929] ? oom_evaluate_task+0x284/0x480 [ 30.111317] out_of_memory+0x9d5/0x1790 [ 30.115273] ? oom_killer_disable+0x310/0x310 [ 30.119751] ? mutex_trylock+0x23a/0x2d0 [ 30.123784] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 30.128688] ? __lock_is_held+0xb6/0x140 [ 30.132726] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 30.138173] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 30.143027] ? check_noncircular+0x7/0x20 [ 30.147152] ? warn_alloc+0x2b0/0x2b0 [ 30.150927] ? check_noncircular+0x20/0x20 [ 30.155134] ? check_preempt_wakeup+0x426/0xb20 [ 30.159788] ? print_irqtrace_events+0x270/0x270 [ 30.164536] ? lock_acquire+0x1d5/0x580 [ 30.168485] ? lock_acquire+0x1d5/0x580 [ 30.172438] ? __lock_acquire+0x664/0x3e00 [ 30.176653] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 30.182512] ? lock_release+0xa40/0xa40 [ 30.186485] ? __lock_is_held+0xb6/0x140 [ 30.190537] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 30.196413] ? __might_sleep+0x95/0x190 [ 30.200369] __alloc_pages_nodemask+0x9fb/0xd80 [ 30.205013] ? lock_release+0xa40/0xa40 [ 30.208984] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 30.213986] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 30.218898] ? print_irqtrace_events+0x270/0x270 [ 30.223646] ? __lock_is_held+0xb6/0x140 [ 30.227687] ? find_next_bit+0xcc/0x100 [ 30.231642] pcpu_populate_chunk+0x1b3/0x880 [ 30.236030] ? find_next_bit+0x87/0x100 [ 30.239989] pcpu_alloc+0x978/0x10e0 [ 30.243691] ? pcpu_free_area+0xa00/0xa00 [ 30.247821] ? vmap_page_range_noflush+0x523/0x720 [ 30.252748] ? map_vm_area+0x9e/0xd0 [ 30.256439] ? __vmalloc_node_range+0x37a/0x650 [ 30.261094] ? array_map_alloc+0x354/0x990 [ 30.265302] ? __vmalloc_node_flags_caller+0x50/0x60 [ 30.270390] __alloc_percpu_gfp+0x27/0x30 [ 30.274516] array_map_alloc+0x794/0x990 [ 30.278557] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 30.283811] SyS_bpf+0x93c/0x4840 [ 30.287238] ? perf_event_mmap+0x115/0x12a0 [ 30.291537] ? bpf_prog_get+0x20/0x20 [ 30.295312] ? perf_event_fork+0x30/0x30 [ 30.299356] ? __lock_is_held+0xb6/0x140 [ 30.303395] ? check_noncircular+0x20/0x20 [ 30.307604] ? vma_wants_writenotify+0x51/0x3b0 [ 30.312257] ? __handle_mm_fault+0x80e/0x3ce0 [ 30.316733] ? check_noncircular+0x20/0x20 [ 30.320941] ? __pmd_alloc+0x4e0/0x4e0 [ 30.324809] ? vma_link+0xe9/0x170 [ 30.328330] ? find_held_lock+0x35/0x1d0 [ 30.332374] ? handle_mm_fault+0x2a0/0x930 [ 30.336592] ? find_held_lock+0x35/0x1d0 [ 30.340637] ? __do_page_fault+0x5f7/0xc90 [ 30.344851] ? lock_downgrade+0x980/0x980 [ 30.348985] ? handle_mm_fault+0x476/0x930 [ 30.353195] ? down_read_trylock+0xdb/0x170 [ 30.357494] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 30.362050] ? vmacache_find+0x5f/0x280 [ 30.365999] ? vmacache_update+0xfe/0x130 [ 30.370133] ? up_read+0x1a/0x40 [ 30.373478] ? __do_page_fault+0x3d6/0xc90 [ 30.377712] ? mm_fault_error+0x2c0/0x2c0 [ 30.381846] ? do_page_fault+0xee/0x720 [ 30.385797] ? __do_page_fault+0xc90/0xc90 [ 30.390024] ? SyS_mmap_pgoff+0x243/0x5f0 [ 30.394161] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.398903] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 30.403631] RIP: 0033:0x440139 [ 30.406796] RSP: 002b:00007ffeb2c1fc28 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 30.414479] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 30.421722] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 30.428966] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 30.436212] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 30.443454] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 30.450819] Mem-Info: [ 30.453398] active_anon:7849 inactive_anon:63 isolated_anon:0 [ 30.453398] active_file:8 inactive_file:29 isolated_file:17 [ 30.453398] unevictable:0 dirty:24 writeback:15 unstable:0 [ 30.453398] slab_reclaimable:7274 slab_unreclaimable:83606 [ 30.453398] mapped:34 shmem:70 pagetables:341 bounce:0 [ 30.453398] free:24442 free_pcp:157 free_cma:0 [ 30.485812] Node 0 active_anon:31396kB inactive_anon:252kB active_file:132kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):68kB mapped:136kB dirty:96kB writeback:60kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 30.513428] 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 [ 30.539606] lowmem_reserve[]: 0 2870 6381 6381 [ 30.544385] Node 0 DMA32 free:44048kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942292kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 30.571664] lowmem_reserve[]: 0 0 3510 3510 [ 30.576023] Node 0 Normal free:37856kB min:37088kB low:46360kB high:55632kB active_anon:31368kB inactive_anon:248kB active_file:320kB inactive_file:276kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3136kB pagetables:1364kB bounce:0kB free_pcp:312kB local_pcp:0kB free_cma:0kB [ 30.604988] lowmem_reserve[]: 0 0 0 0 [ 30.608952] 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 [ 30.622748] Node 0 DMA32: 4*4kB (UM) 5*8kB (UM) 9*16kB (UM) 4*32kB (UM) 3*64kB (UM) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44168kB [ 30.638263] Node 0 Normal: 574*4kB (UME) 411*8kB (UMEH) 281*16kB (UME) 130*32kB (UMH) 80*64kB (UMH) 40*128kB (UM) 31*256kB (UMH) 9*512kB (UM) 1*1024kB (H) 0*2048kB 0*4096kB = 38048kB [ 30.654703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 30.663408] 147 total pagecache pages [ 30.667216] 0 pages in swap cache [ 30.670807] Swap cache stats: add 0, delete 0, find 0/0 [ 30.676273] Free swap = 0kB [ 30.679343] Total swap = 0kB [ 30.682455] 1965979 pages RAM [ 30.685657] 0 pages HighMem/MovableOnly [ 30.689730] 327773 pages reserved [ 30.693234] Unreclaimable slab info: [ 30.697054] Name Used Total [ 30.702610] hashtab_node 118KB 119KB [ 30.707959] ebitmap_node 382KB 385KB [ 30.713309] avtab_node 1012KB 1013KB [ 30.718663] TIPC 1KB 7KB [ 30.724218] SCTPv6 2KB 4KB [ 30.729712] DCCPv6 2KB 7KB [ 30.735194] DCCP 2KB 6KB [ 30.740686] fib6_nodes 0KB 4KB [ 30.746152] ip6_dst_cache 6KB 11KB [ 30.751660] RAWv6 9KB 13KB [ 30.757202] UDPv6 12KB 14KB [ 30.762683] TCPv6 2KB 5KB [ 30.768445] sd_ext_cdb 0KB 3KB [ 30.773937] scsi_sense_cache 77KB 124KB [ 30.779431] virtio_scsi_cmd 16KB 16KB [ 30.784901] sgpool-128 8KB 8KB [ 30.790388] sgpool-64 4KB 6KB [ 30.795862] sgpool-32 86KB 86KB [ 30.801372] sgpool-16 30KB 30KB [ 30.806846] sgpool-8 161KB 161KB [ 30.812338] cfq_io_cq 15KB 19KB [ 30.817823] cfq_queue 27KB 27KB [ 30.823298] mqueue_inode_cache 1KB 7KB [ 30.828861] nfs_commit_data 3KB 7KB [ 30.834334] nfs_write_data 34KB 37KB [ 30.839838] jbd2_inode 1KB 3KB [ 30.845326] ext4_system_zone 0KB 3KB [ 30.850806] bio-1 1KB 3KB [ 30.856315] rpc_buffers 17KB 19KB [ 30.861816] rpc_tasks 2KB 3KB [ 30.867560] UNIX 780KB 784KB [ 30.873100] tcp_bind_bucket 0KB 4KB [ 30.878593] ip_fib_trie 0KB 3KB [ 30.884112] ip_fib_alias 0KB 3KB [ 30.889598] ip_dst_cache 3KB 8KB [ 30.895117] RAW 5KB 7KB [ 30.900582] UDP 29KB 31KB [ 30.906125] request_sock_TCP 0KB 3KB [ 30.911611] TCP 7KB 7KB [ 30.917117] hugetlbfs_inode_cache 1KB 7KB [ 30.922848] eventpoll_pwq 11KB 15KB [ 30.928213] eventpoll_epi 20KB 27KB [ 30.933684] inotify_inode_mark 3KB 7KB [ 30.939267] request_queue 54KB 136KB [ 30.944742] blkdev_ioc 21KB 23KB [ 30.950228] bio-0 288KB 288KB [ 30.955701] biovec-(1<<(21-12)) 437KB 437KB [ 30.961367] biovec-64 94KB 94KB [ 30.966836] biovec-16 15KB 15KB [ 30.972324] bio_integrity_payload 0KB 4KB [ 30.978156] khugepaged_mm_slot 0KB 3KB [ 30.983723] uid_cache 0KB 3KB [ 30.989204] dmaengine-unmap-2 0KB 3KB [ 30.994674] audit_buffer 0KB 3KB [ 31.000149] skbuff_fclone_cache 138KB 142KB [ 31.005808] skbuff_head_cache 1738KB 1740KB [ 31.011289] configfs_dir_cache 0KB 4KB [ 31.016855] file_lock_cache 163KB 166KB [ 31.022414] file_lock_ctx 1KB 3KB [ 31.027915] fsnotify_mark_connector 2KB 3KB [ 31.033918] shmem_inode_cache 1045KB 1046KB [ 31.039392] task_delay_info 319KB 320KB [ 31.044867] sigqueue 364KB 366KB [ 31.050451] kernfs_node_cache 2288KB 2291KB [ 31.055974] mnt_cache 15KB 20KB [ 31.061468] filp 8533KB 8913KB [ 31.066974] names_cache 111656KB 111694KB [ 31.072486] avc_node 38KB 43KB [ 31.077962] selinux_file_security 437KB 496KB [ 31.083800] selinux_inode_security 1953KB 1956KB [ 31.089711] key_jar 3KB 7KB [ 31.095184] nsproxy 0KB 3KB [ 31.100681] vm_area_struct 18723KB 18724KB [ 31.106161] mm_struct 4529KB 4531KB [ 31.111651] fs_cache 428KB 432KB [ 31.117140] files_cache 1597KB 1597KB [ 31.122620] signal_cache 2548KB 2551KB [ 31.128139] sighand_cache 275KB 381KB [ 31.133640] task_struct 10871KB 10871KB [ 31.139145] cred_jar 2358KB 2360KB [ 31.144616] anon_vma_chain 7853KB 7855KB [ 31.150147] anon_vma 161KB 319KB [ 31.155643] pid 222KB 244KB [ 31.161115] Acpi-Operand 106KB 170KB [ 31.166596] Acpi-ParseExt 0KB 3KB [ 31.172114] Acpi-Parse 0KB 7KB [ 31.177587] Acpi-State 0KB 11KB [ 31.183094] Acpi-Namespace 19KB 23KB [ 31.188557] numa_policy 0KB 3KB [ 31.194045] debug_objects_cache 535KB 535KB [ 31.199687] trace_event_file 145KB 147KB [ 31.205254] ftrace_event_field 257KB 259KB [ 31.210853] pool_workqueue 24KB 24KB [ 31.216391] page->ptl 3099KB 3099KB [ 31.221885] kmalloc-262144 1032KB 1032KB [ 31.227413] kmalloc-131072 650KB 650KB [ 31.232909] kmalloc-65536 264KB 264KB [ 31.238441] kmalloc-32768 825KB 825KB [ 31.243900] kmalloc-16384 181KB 181KB [ 31.249400] kmalloc-8192 519KB 519KB [ 31.254868] kmalloc-4096 7242KB 7280KB [ 31.260370] kmalloc-2048 3204KB 3206KB [ 31.265857] kmalloc-1024 3528KB 3528KB [ 31.271334] kmalloc-512 2767KB 2767KB [ 31.276859] kmalloc-256 2023KB 2493KB [ 31.282395] kmalloc-128 413KB 523KB [ 31.287860] kmalloc-96 2060KB 2060KB [ 31.293326] kmalloc-64 2460KB 2460KB [ 31.298816] kmalloc-32 2405KB 2405KB [ 31.304391] kmalloc-192 912KB 912KB [ 31.309857] kmem_cache 100KB 105KB [ 31.315350] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 31.324185] [ 1826] 0 1826 5366 168 90112 0 -1000 udevd [ 31.332656] [ 3354] 0 3354 2493 574 61440 0 0 dhclient [ 31.341091] [ 3511] 0 3511 30604 142 118784 0 0 rsyslogd [ 31.349504] [ 3565] 0 3565 4725 51 77824 0 0 cron [ 31.357580] [ 3584] 0 3584 3736 44 65536 0 0 mcstransd [ 31.366094] [ 3594] 0 3594 12927 1228 139264 0 0 restorecond [ 31.374760] [ 3612] 0 3612 12490 153 139264 0 -1000 sshd [ 31.382822] [ 3636] 0 3636 3694 40 73728 0 0 getty [ 31.390973] [ 3637] 0 3637 3694 40 69632 0 0 getty [ 31.399123] [ 3638] 0 3638 3694 39 77824 0 0 getty [ 31.407268] [ 3639] 0 3639 3694 41 73728 0 0 getty [ 31.415421] [ 3640] 0 3640 3694 42 77824 0 0 getty [ 31.423572] [ 3641] 0 3641 3694 42 69632 0 0 getty [ 31.431718] [ 3642] 0 3642 3649 39 77824 0 0 getty [ 31.439866] [ 3646] 0 3646 5681 455 86016 0 -1000 udevd [ 31.448039] [ 3647] 0 3647 5681 455 86016 0 -1000 udevd [ 31.456203] [ 3663] 0 3663 17821 196 188416 0 0 sshd [ 31.464272] [ 3665] 0 3665 280 1 32768 0 0 syzkaller633346 [ 31.473299] [ 3666] 0 3666 4375 523 36864 0 0 syzkaller633346 [ 31.482321] [ 3667] 0 3667 4375 523 36864 0 0 syzkaller633346 [ 31.491343] [ 3668] 0 3668 4375 523 36864 0 0 syzkaller633346 [ 31.500365] [ 3669] 0 3669 4375 523 36864 0 0 syzkaller633346 [ 31.509388] [ 3670] 0 3670 4375 523 36864 0 0 syzkaller633346 [ 31.518410] [ 3671] 0 3671 4375 523 36864 0 0 syzkaller633346 [ 31.527449] [ 3672] 0 3672 4375 523 36864 0 0 syzkaller633346 [ 31.536472] [ 3673] 0 3673 4375 523 36864 0 0 syzkaller633346 [ 31.545493] Out of memory: Kill process 3594 (restorecond) score 0 or sacrifice child [ 31.553999] Killed process 3594 (restorecond) total-vm:51708kB, anon-rss:4912kB, file-rss:0kB, shmem-rss:0kB [ 31.583011] syzkaller633346 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 31.595559] syzkaller633346 cpuset=/ mems_allowed=0 [ 31.600631] CPU: 0 PID: 3668 Comm: syzkaller633346 Not tainted 4.15.0-rc8-next-20180116+ #98 [ 31.609190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.618518] Call Trace: [ 31.621085] dump_stack+0x194/0x257 [ 31.624688] ? arch_local_irq_restore+0x53/0x53 [ 31.629333] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.634503] dump_header+0x28c/0xe2b [ 31.638198] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.643363] ? pagefault_out_of_memory+0x145/0x145 [ 31.648275] ? print_irqtrace_events+0x270/0x270 [ 31.653021] ? avc_has_perm_noaudit+0x37e/0x520 [ 31.657666] ? check_noncircular+0x20/0x20 [ 31.661885] ? check_noncircular+0x20/0x20 [ 31.666101] ? print_irqtrace_events+0x270/0x270 [ 31.670832] ? reacquire_held_locks+0x1f9/0x3e0 [ 31.675473] ? reacquire_held_locks+0x1f9/0x3e0 [ 31.680115] ? check_noncircular+0x20/0x20 [ 31.684322] ? task_will_free_mem+0x252/0xaa0 [ 31.688789] ? check_noncircular+0x20/0x20 [ 31.693001] ? print_irqtrace_events+0x270/0x270 [ 31.697740] ? ___ratelimit+0x30d/0x630 [ 31.701689] ? lock_downgrade+0x980/0x980 [ 31.705813] ? lock_release+0xa40/0xa40 [ 31.709856] ? mark_held_locks+0xaf/0x100 [ 31.713983] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 31.719061] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.724063] ? trace_hardirqs_on+0xd/0x10 [ 31.728194] ? ___ratelimit+0x95/0x630 [ 31.732066] ? idr_get_free_cmn+0xfd0/0xfd0 [ 31.736368] ? check_noncircular+0x20/0x20 [ 31.740583] oom_kill_process+0x81b/0x9f0 [ 31.744703] ? oom_badness+0xd1/0x980 [ 31.748474] ? lock_release+0xa40/0xa40 [ 31.752421] ? oom_kill_memcg_member+0x20/0x20 [ 31.756981] ? oom_evaluate_task+0x480/0x480 [ 31.761366] ? out_of_memory+0xe1c/0x1790 [ 31.765486] ? lock_downgrade+0x980/0x980 [ 31.769608] ? lock_release+0xa40/0xa40 [ 31.773553] ? find_next_bit+0xcc/0x100 [ 31.777510] ? oom_evaluate_task+0x284/0x480 [ 31.781896] out_of_memory+0x9d5/0x1790 [ 31.785852] ? oom_killer_disable+0x310/0x310 [ 31.790326] ? mutex_trylock+0x23a/0x2d0 [ 31.794357] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 31.799273] ? __lock_is_held+0xb6/0x140 [ 31.803394] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 31.808833] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 31.813685] ? warn_alloc+0x2b0/0x2b0 [ 31.817457] ? check_noncircular+0x20/0x20 [ 31.821666] ? check_preempt_wakeup+0x426/0xb20 [ 31.826313] ? print_irqtrace_events+0x270/0x270 [ 31.831052] ? lock_acquire+0x1d5/0x580 [ 31.834996] ? lock_acquire+0x1d5/0x580 [ 31.838948] ? __lock_acquire+0x664/0x3e00 [ 31.843157] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 31.849013] ? lock_release+0xa40/0xa40 [ 31.852978] ? __lock_is_held+0xb6/0x140 [ 31.857027] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 31.862902] ? __might_sleep+0x95/0x190 [ 31.866855] __alloc_pages_nodemask+0x9fb/0xd80 [ 31.871497] ? lock_release+0xa40/0xa40 [ 31.875450] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 31.880448] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 31.885354] ? print_irqtrace_events+0x270/0x270 [ 31.890089] ? __lock_is_held+0xb6/0x140 [ 31.894126] ? find_next_bit+0xcc/0x100 [ 31.898080] pcpu_populate_chunk+0x1b3/0x880 [ 31.902460] ? find_next_bit+0x87/0x100 [ 31.906416] pcpu_alloc+0x978/0x10e0 [ 31.910111] ? pcpu_free_area+0xa00/0xa00 [ 31.914228] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 31.918698] ? vmap_page_range_noflush+0x523/0x720 [ 31.923628] ? retint_kernel+0x10/0x10 [ 31.927490] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.932481] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.937216] ? retint_kernel+0x10/0x10 [ 31.941092] __alloc_percpu_gfp+0x27/0x30 [ 31.945215] array_map_alloc+0x794/0x990 [ 31.949262] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 31.954515] SyS_bpf+0x93c/0x4840 [ 31.957944] ? perf_event_mmap+0x115/0x12a0 [ 31.962238] ? bpf_prog_get+0x20/0x20 [ 31.966016] ? perf_event_fork+0x30/0x30 [ 31.970058] ? __lock_is_held+0xb6/0x140 [ 31.974093] ? check_noncircular+0x20/0x20 [ 31.978299] ? vma_wants_writenotify+0x51/0x3b0 [ 31.982943] ? __handle_mm_fault+0x80e/0x3ce0 [ 31.987416] ? check_noncircular+0x20/0x20 [ 31.991620] ? __pmd_alloc+0x4e0/0x4e0 [ 31.995477] ? vma_link+0xe9/0x170 [ 31.998994] ? find_held_lock+0x35/0x1d0 [ 32.003033] ? handle_mm_fault+0x2a0/0x930 [ 32.007245] ? find_held_lock+0x35/0x1d0 [ 32.011288] ? __do_page_fault+0x5f7/0xc90 [ 32.015493] ? lock_downgrade+0x980/0x980 [ 32.019619] ? handle_mm_fault+0x476/0x930 [ 32.023826] ? down_read_trylock+0xdb/0x170 [ 32.028125] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 32.032675] ? vmacache_find+0x5f/0x280 [ 32.036620] ? vmacache_update+0xfe/0x130 [ 32.040744] ? up_read+0x1a/0x40 [ 32.044087] ? __do_page_fault+0x3d6/0xc90 [ 32.048306] ? mm_fault_error+0x2c0/0x2c0 [ 32.052443] ? do_page_fault+0xee/0x720 [ 32.056394] ? __do_page_fault+0xc90/0xc90 [ 32.060608] ? SyS_mmap_pgoff+0x243/0x5f0 [ 32.064741] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.069477] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 32.074203] RIP: 0033:0x440139 [ 32.077361] RSP: 002b:00007ffeb2c1fc28 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 32.085038] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 32.092279] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 32.099521] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 32.106762] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 32.114001] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 32.121423] Mem-Info: [ 32.124510] active_anon:6618 inactive_anon:63 isolated_anon:0 [ 32.124510] active_file:31 inactive_file:25 isolated_file:0 [ 32.124510] unevictable:0 dirty:0 writeback:0 unstable:0 [ 32.124510] slab_reclaimable:7283 slab_unreclaimable:83675 [ 32.124510] mapped:6 shmem:70 pagetables:314 bounce:0 [ 32.124510] free:24220 free_pcp:30 free_cma:0 [ 32.156614] Node 0 active_anon:26472kB inactive_anon:252kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 32.183438] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.209601] lowmem_reserve[]: 0 2870 6381 6381 [ 32.214202] Node 0 DMA32 free:44168kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942292kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.241466] lowmem_reserve[]: 0 0 3510 3510 [ 32.245808] Node 0 Normal free:37028kB min:37088kB low:46360kB high:55632kB active_anon:26444kB inactive_anon:248kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3104kB pagetables:1256kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.274305] lowmem_reserve[]: 0 0 0 0 [ 32.278124] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 32.291697] Node 0 DMA32: 4*4kB (UM) 5*8kB (UM) 9*16kB (UM) 4*32kB (UM) 3*64kB (UM) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44168kB [ 32.307208] Node 0 Normal: 509*4kB (UME) 389*8kB (UMEH) 274*16kB (UME) 186*32kB (UMH) 91*64kB (UMH) 40*128kB (UM) 26*256kB (MH) 6*512kB (M) 1*1024kB (H) 0*2048kB 0*4096kB = 37180kB [ 32.323497] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 32.332087] 97 total pagecache pages [ 32.335820] 0 pages in swap cache [ 32.339276] Swap cache stats: add 0, delete 0, find 0/0 [ 32.344646] Free swap = 0kB [ 32.347677] Total swap = 0kB [ 32.350705] 1965979 pages RAM [ 32.353819] 0 pages HighMem/MovableOnly [ 32.357801] 327773 pages reserved [ 32.361265] Unreclaimable slab info: [ 32.364989] Name Used Total [ 32.370532] hashtab_node 118KB 119KB [ 32.375905] ebitmap_node 382KB 385KB [ 32.381284] avtab_node 1012KB 1013KB [ 32.386663] TIPC 1KB 7KB [ 32.392039] SCTPv6 2KB 4KB [ 32.397421] DCCPv6 2KB 7KB [ 32.402805] DCCP 2KB 6KB [ 32.408180] fib6_nodes 0KB 4KB [ 32.413540] ip6_dst_cache 6KB 11KB [ 32.418900] RAWv6 9KB 13KB [ 32.424258] UDPv6 12KB 14KB [ 32.429618] TCPv6 2KB 5KB [ 32.434990] sd_ext_cdb 0KB 3KB [ 32.440363] scsi_sense_cache 77KB 124KB [ 32.445721] virtio_scsi_cmd 16KB 16KB [ 32.451086] sgpool-128 8KB 8KB [ 32.456442] sgpool-64 4KB 6KB [ 32.461797] sgpool-32 181KB 181KB [ 32.467155] sgpool-16 37KB 37KB [ 32.472510] sgpool-8 168KB 168KB [ 32.477866] cfq_io_cq 18KB 19KB [ 32.483230] cfq_queue 27KB 27KB [ 32.488588] mqueue_inode_cache 1KB 7KB [ 32.494049] nfs_commit_data 3KB 7KB [ 32.499414] nfs_write_data 34KB 37KB [ 32.504772] jbd2_inode 1KB 3KB [ 32.510131] ext4_system_zone 0KB 3KB [ 32.515508] bio-1 1KB 3KB [ 32.520895] rpc_buffers 17KB 19KB [ 32.526261] rpc_tasks 2KB 3KB [ 32.531647] UNIX 780KB 784KB [ 32.537044] tcp_bind_bucket 0KB 4KB [ 32.542429] ip_fib_trie 0KB 3KB [ 32.547799] ip_fib_alias 0KB 3KB [ 32.553156] ip_dst_cache 3KB 8KB [ 32.558526] RAW 5KB 7KB [ 32.563891] UDP 29KB 31KB [ 32.569252] request_sock_TCP 0KB 3KB [ 32.574621] TCP 7KB 7KB [ 32.580030] hugetlbfs_inode_cache 1KB 7KB [ 32.585757] eventpoll_pwq 11KB 15KB [ 32.591119] eventpoll_epi 20KB 27KB [ 32.596520] inotify_inode_mark 3KB 7KB [ 32.601986] request_queue 42KB 114KB [ 32.607353] blkdev_ioc 23KB 23KB [ 32.612725] bio-0 318KB 318KB [ 32.618110] biovec-(1<<(21-12)) 437KB 437KB [ 32.623669] biovec-64 110KB 110KB [ 32.629044] biovec-16 22KB 22KB [ 32.634417] bio_integrity_payload 0KB 4KB [ 32.640144] khugepaged_mm_slot 0KB 3KB [ 32.645620] uid_cache 0KB 3KB [ 32.651000] dmaengine-unmap-2 0KB 3KB [ 32.656403] audit_buffer 0KB 3KB [ 32.661808] skbuff_fclone_cache 138KB 142KB [ 32.667366] skbuff_head_cache 1738KB 1740KB [ 32.672745] configfs_dir_cache 0KB 4KB [ 32.678216] file_lock_cache 163KB 166KB [ 32.683599] file_lock_ctx 1KB 3KB [ 32.688979] fsnotify_mark_connector 2KB 3KB [ 32.694884] shmem_inode_cache 1045KB 1046KB [ 32.700261] task_delay_info 319KB 320KB [ 32.705636] sigqueue 364KB 366KB [ 32.711040] kernfs_node_cache 2288KB 2291KB [ 32.716419] mnt_cache 15KB 20KB [ 32.721795] filp 8498KB 8902KB [ 32.727203] names_cache 111656KB 111685KB [ 32.732569] avc_node 38KB 43KB [ 32.737918] selinux_file_security 433KB 496KB [ 32.743616] selinux_inode_security 1952KB 1956KB [ 32.749398] key_jar 3KB 7KB [ 32.754746] nsproxy 0KB 3KB [ 32.760095] vm_area_struct 18720KB 18724KB [ 32.765445] mm_struct 4529KB 4531KB [ 32.770796] fs_cache 427KB 432KB [ 32.776146] files_cache 1597KB 1597KB [ 32.781497] signal_cache 2548KB 2551KB [ 32.786848] sighand_cache 224KB 326KB [ 32.792209] task_struct 10871KB 10871KB [ 32.797560] cred_jar 2357KB 2360KB [ 32.802908] anon_vma_chain 7852KB 7855KB [ 32.808268] anon_vma 156KB 319KB [ 32.813618] pid 222KB 244KB [ 32.818975] Acpi-Operand 106KB 170KB [ 32.824326] Acpi-Parse 0KB 3KB [ 32.829684] Acpi-State 0KB 7KB [ 32.835055] Acpi-Namespace 19KB 23KB [ 32.840436] numa_policy 0KB 3KB [ 32.845819] debug_objects_cache 535KB 535KB [ 32.851376] trace_event_file 145KB 147KB [ 32.856758] ftrace_event_field 257KB 259KB [ 32.862226] pool_workqueue 24KB 24KB [ 32.867609] page->ptl 3098KB 3099KB [ 32.873034] kmalloc-262144 1032KB 1032KB [ 32.878416] kmalloc-131072 650KB 650KB [ 32.883797] kmalloc-65536 264KB 264KB [ 32.889187] kmalloc-32768 825KB 825KB [ 32.894565] kmalloc-16384 181KB 181KB [ 32.899940] kmalloc-8192 519KB 519KB [ 32.905319] kmalloc-4096 7242KB 7271KB [ 32.910698] kmalloc-2048 3204KB 3206KB [ 32.916078] kmalloc-1024 3543KB 3543KB [ 32.921486] kmalloc-512 2767KB 2767KB [ 32.926864] kmalloc-256 2005KB 2493KB [ 32.932242] kmalloc-128 409KB 523KB [ 32.937621] kmalloc-96 2068KB 2068KB [ 32.943006] kmalloc-64 2464KB 2464KB [ 32.948405] kmalloc-32 2405KB 2405KB [ 32.953782] kmalloc-192 912KB 912KB [ 32.959170] kmem_cache 100KB 105KB [ 32.964543] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 32.973168] [ 1826] 0 1826 5366 168 90112 0 -1000 udevd [ 32.981336] [ 3354] 0 3354 2493 574 61440 0 0 dhclient [ 32.989777] [ 3511] 0 3511 30604 141 118784 0 0 rsyslogd [ 32.998210] [ 3565] 0 3565 4725 51 77824 0 0 cron [ 33.006290] [ 3584] 0 3584 3736 44 65536 0 0 mcstransd [ 33.014809] [ 3612] 0 3612 12490 153 139264 0 -1000 sshd [ 33.022872] [ 3636] 0 3636 3694 40 73728 0 0 getty [ 33.031046] [ 3637] 0 3637 3694 40 69632 0 0 getty [ 33.039214] [ 3638] 0 3638 3694 39 77824 0 0 getty [ 33.047381] [ 3639] 0 3639 3694 41 73728 0 0 getty [ 33.055575] [ 3640] 0 3640 3694 42 77824 0 0 getty [ 33.063724] [ 3641] 0 3641 3694 42 69632 0 0 getty [ 33.071862] [ 3642] 0 3642 3649 39 77824 0 0 getty [ 33.079993] [ 3646] 0 3646 5681 455 86016 0 -1000 udevd [ 33.088129] [ 3647] 0 3647 5681 455 86016 0 -1000 udevd [ 33.096262] [ 3663] 0 3663 17821 196 188416 0 0 sshd [ 33.104313] [ 3665] 0 3665 280 1 32768 0 0 syzkaller633346 [ 33.113312] [ 3666] 0 3666 4375 523 36864 0 0 syzkaller633346 [ 33.122322] [ 3667] 0 3667 4375 523 36864 0 0 syzkaller633346 [ 33.131322] [ 3668] 0 3668 4375 523 36864 0 0 syzkaller633346 [ 33.140319] [ 3669] 0 3669 4375 523 36864 0 0 syzkaller633346 [ 33.149316] [ 3670] 0 3670 4375 523 36864 0 0 syzkaller633346 [ 33.158314] [ 3671] 0 3671 4375 523 36864 0 0 syzkaller633346 [ 33.167344] [ 3672] 0 3672 4375 523 36864 0 0 syzkaller633346 [ 33.176380] [ 3673] 0 3673 4375 523 36864 0 0 syzkaller633346 [ 33.185407] Out of memory: Kill process 3354 (dhclient) score 0 or sacrifice child [ 33.193157] Killed process 3354 (dhclient) total-vm:9972kB, anon-rss:2296kB, file-rss:0kB, shmem-rss:0kB [ 33.209715] syzkaller633346 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 33.222952] syzkaller633346 cpuset=/ mems_allowed=0 [ 33.228322] CPU: 0 PID: 3673 Comm: syzkaller633346 Not tainted 4.15.0-rc8-next-20180116+ #98 [ 33.236882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.246208] Call Trace: [ 33.248774] dump_stack+0x194/0x257 [ 33.252373] ? arch_local_irq_restore+0x53/0x53 [ 33.257025] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.262198] dump_header+0x28c/0xe2b [ 33.265889] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.271053] ? pagefault_out_of_memory+0x145/0x145 [ 33.275957] ? print_irqtrace_events+0x270/0x270 [ 33.280692] ? avc_has_perm_noaudit+0x37e/0x520 [ 33.285333] ? check_noncircular+0x20/0x20 [ 33.289538] ? check_noncircular+0x20/0x20 [ 33.293744] ? print_irqtrace_events+0x270/0x270 [ 33.298483] ? reacquire_held_locks+0x1f9/0x3e0 [ 33.303124] ? reacquire_held_locks+0x1f9/0x3e0 [ 33.307767] ? check_noncircular+0x20/0x20 [ 33.311971] ? task_will_free_mem+0x252/0xaa0 [ 33.316437] ? check_noncircular+0x20/0x20 [ 33.320650] ? print_irqtrace_events+0x270/0x270 [ 33.325384] ? ___ratelimit+0x30d/0x630 [ 33.329330] ? lock_downgrade+0x980/0x980 [ 33.333454] ? lock_release+0xa40/0xa40 [ 33.337404] ? mark_held_locks+0xaf/0x100 [ 33.341526] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 33.346603] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.351590] ? trace_hardirqs_on+0xd/0x10 [ 33.355713] ? ___ratelimit+0x95/0x630 [ 33.359575] ? idr_get_free_cmn+0xfd0/0xfd0 [ 33.363872] ? check_noncircular+0x20/0x20 [ 33.368086] oom_kill_process+0x81b/0x9f0 [ 33.372208] ? oom_badness+0xd1/0x980 [ 33.375977] ? lock_release+0xa40/0xa40 [ 33.379925] ? oom_kill_memcg_member+0x20/0x20 [ 33.384495] ? oom_evaluate_task+0x480/0x480 [ 33.388882] ? out_of_memory+0xe1c/0x1790 [ 33.393009] ? lock_downgrade+0x980/0x980 [ 33.397144] ? lock_release+0xa40/0xa40 [ 33.401092] ? find_next_bit+0xcc/0x100 [ 33.405051] ? oom_evaluate_task+0x284/0x480 [ 33.409435] out_of_memory+0x9d5/0x1790 [ 33.413389] ? oom_killer_disable+0x310/0x310 [ 33.417860] ? mutex_trylock+0x23a/0x2d0 [ 33.421893] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 33.426803] ? __lock_is_held+0xb6/0x140 [ 33.430836] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 33.436269] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 33.441110] ? warn_alloc+0x2b0/0x2b0 [ 33.444895] ? lock_release+0xa40/0xa40 [ 33.448853] ? print_irqtrace_events+0x270/0x270 [ 33.453589] ? mutex_spin_on_owner+0x446/0xb50 [ 33.458150] ? __lock_acquire+0x664/0x3e00 [ 33.462359] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 33.468212] ? lock_release+0xa40/0xa40 [ 33.472177] ? __lock_is_held+0xb6/0x140 [ 33.476222] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 33.482085] ? __might_sleep+0x95/0x190 [ 33.486038] __alloc_pages_nodemask+0x9fb/0xd80 [ 33.490687] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 33.495681] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 33.500586] ? print_irqtrace_events+0x270/0x270 [ 33.505318] ? __lock_is_held+0xb6/0x140 [ 33.509356] ? find_next_bit+0xcc/0x100 [ 33.513308] pcpu_populate_chunk+0x1b3/0x880 [ 33.517688] ? find_next_bit+0x87/0x100 [ 33.521641] pcpu_alloc+0x978/0x10e0 [ 33.525338] ? pcpu_free_area+0xa00/0xa00 [ 33.529462] ? vmap_page_range_noflush+0x523/0x720 [ 33.534378] ? map_vm_area+0x9e/0xd0 [ 33.538067] ? __vmalloc_node_range+0x37a/0x650 [ 33.542718] ? array_map_alloc+0x354/0x990 [ 33.546923] ? __vmalloc_node_flags_caller+0x50/0x60 [ 33.552010] __alloc_percpu_gfp+0x27/0x30 [ 33.556141] array_map_alloc+0x794/0x990 [ 33.560179] ? perf_event_fd_array_get_ptr+0x230/0x230 [ 33.565429] SyS_bpf+0x93c/0x4840 [ 33.568855] ? perf_event_mmap+0x115/0x12a0 [ 33.573152] ? bpf_prog_get+0x20/0x20 [ 33.577328] ? perf_event_fork+0x30/0x30 [ 33.581379] ? __lock_is_held+0xb6/0x140 [ 33.585422] ? check_noncircular+0x20/0x20 [ 33.589626] ? vma_wants_writenotify+0x51/0x3b0 [ 33.594269] ? __handle_mm_fault+0x80e/0x3ce0 [ 33.598739] ? check_noncircular+0x20/0x20 [ 33.602947] ? __pmd_alloc+0x4e0/0x4e0 [ 33.606810] ? vma_link+0xe9/0x170 [ 33.610328] ? find_held_lock+0x35/0x1d0 [ 33.614371] ? handle_mm_fault+0x2a0/0x930 [ 33.618580] ? find_held_lock+0x35/0x1d0 [ 33.622621] ? __do_page_fault+0x5f7/0xc90 [ 33.626827] ? lock_downgrade+0x980/0x980 [ 33.630953] ? handle_mm_fault+0x476/0x930 [ 33.635156] ? down_read_trylock+0xdb/0x170 [ 33.639449] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 33.643999] ? vmacache_find+0x5f/0x280 [ 33.647950] ? vmacache_update+0xfe/0x130 [ 33.652073] ? up_read+0x1a/0x40 [ 33.655413] ? __do_page_fault+0x3d6/0xc90 [ 33.659625] ? mm_fault_error+0x2c0/0x2c0 [ 33.663753] ? do_page_fault+0xee/0x720 [ 33.667700] ? __do_page_fault+0xc90/0xc90 [ 33.671916] ? SyS_mmap_pgoff+0x243/0x5f0 [ 33.676046] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.680783] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 33.685509] RIP: 0033:0x440139 [ 33.688678] RSP: 002b:00007ffeb2c1fc28 EFLAGS: 00000217 ORIG_RAX: 0000000000000141 [ 33.696363] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000440139 [ 33.703603] RDX: 000000000000002c RSI: 0000000020c47fec RDI: 0000000000000000 [ 33.710850] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 33.718092] R10: 00000000ffffffff R11: 0000000000000217 R12: 00000000004016a0 [ 33.725333] R13: 0000000000401730 R14: 0000000000000000 R15: 0000000000000000 [ 33.732903] Mem-Info: [ 33.735653] active_anon:6068 inactive_anon:63 isolated_anon:0 [ 33.735653] active_file:8 inactive_file:21 isolated_file:0 [ 33.735653] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.735653] slab_reclaimable:7284 slab_unreclaimable:83207 [ 33.735653] mapped:2 shmem:70 pagetables:314 bounce:0 [ 33.735653] free:24397 free_pcp:90 free_cma:0 [ 33.767967] Node 0 active_anon:24272kB inactive_anon:252kB active_file:28kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 33.795195] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 33.821507] lowmem_reserve[]: 0 2870 6381 6381 [ 33.826115] Node 0 DMA32 free:44168kB min:30328kB low:37908kB high:45488kB active_anon:28kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942292kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 33.853478] lowmem_reserve[]: 0 0 3510 3510 [ 33.858076] Node 0 Normal free:37200kB min:37088kB low:46360kB high:55632kB active_anon:24148kB inactive_anon:248kB active_file:208kB inactive_file:280kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3072kB pagetables:1220kB bounce:0kB free_pcp:428kB local_pcp:120kB free_cma:0kB [ 33.887409] lowmem_reserve[]: 0 0 0 0 [ 33.891456] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 33.905320] Node 0 DMA32: 4*4kB (UM) 5*8kB (UM) 9*16kB (UM) 4*32kB (UM) 3*64kB (UM) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44168kB [ 33.921152] Node 0 Normal: 345*4kB (UME) 339*8kB (MEH) 250*16kB (UME) 181*32kB (UMEH) 89*64kB (UMH) 40*128kB (ME) 26*256kB (UMEH) 8*512kB (UME) 2*1024kB (EH) 0*2048kB 0*4096kB = 37500kB [ 33.938227] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 33.946987] 148 total pagecache pages [ 33.950951] 0 pages in swap cache [ 33.954645] Swap cache stats: add 0, delete 0, find 0/0 [ 33.960222] Free swap = 0kB [ 33.963261] Total swap = 0kB [ 33.966464] 1965979 pages RAM [ 33.969772] 0 pages HighMem/MovableOnly [ 33.973988] 327773 pages reserved [ 33.977482] Unreclaimable slab info: [ 33.981358] Name Used Total [ 33.986984] hashtab_node 118KB 119KB [ 33.992468] ebitmap_node 382KB 385KB [ 33.997965] avtab_node 1012KB 1013KB [ 34.003410] TIPC 1KB 7KB [ 34.008956] SCTPv6 2KB 4KB [ 34.014499] DCCPv6 2KB 7KB [ 34.020061] DCCP 2KB 6KB [ 34.025618] fib6_nodes 0KB 4KB [ 34.031188] ip6_dst_cache 6KB 11KB [ 34.036805] RAWv6 9KB 13KB [ 34.042289] UDPv6 12KB 14KB [ 34.047829] TCPv6 2KB 5KB [ 34.053366] sd_ext_cdb 0KB 3KB [ 34.058947] scsi_sense_cache 77KB 124KB [ 34.064465] virtio_scsi_cmd 16KB 16KB [ 34.070052] sgpool-128 8KB 8KB [ 34.075454] sgpool-64 4KB 6KB [ 34.080967] sgpool-32 228KB 228KB [ 34.086522] sgpool-16 45KB 45KB [ 34.092107] sgpool-8 180KB 180KB [ 34.097671] cfq_io_cq 18KB 19KB [ 34.103178] cfq_queue 27KB 27KB [ 34.108721] mqueue_inode_cache 1KB 7KB [ 34.114346] nfs_commit_data 3KB 7KB [ 34.119840] nfs_write_data 34KB 37KB [ 34.125385] jbd2_inode 1KB 3KB [ 34.130961] ext4_system_zone 0KB 3KB [ 34.136508] bio-1 1KB 3KB [ 34.142161] rpc_buffers 17KB 19KB [ 34.147749] rpc_tasks 2KB 3KB [ 34.153311] UNIX 780KB 784KB [ 34.158894] tcp_bind_bucket 0KB 4KB [ 34.164460] ip_fib_trie 0KB 3KB [ 34.170040] ip_fib_alias 0KB 3KB [ 34.175604] ip_dst_cache 3KB 8KB [ 34.181202] RAW 5KB 7KB [ 34.186729] UDP 29KB 31KB [ 34.192294] request_sock_TCP 0KB 3KB [ 34.197834] TCP 7KB 7KB [ 34.203330] hugetlbfs_inode_cache 1KB 7KB [ 34.209246] eventpoll_pwq 11KB 15KB [ 34.214798] eventpoll_epi 20KB 27KB [ 34.221359] inotify_inode_mark 3KB 7KB [ 34.226962] request_queue 42KB 114KB [ 34.232520] blkdev_ioc 23KB 23KB [ 34.238123] bio-0 367KB 367KB [ 34.243639] biovec-(1<<(21-12)) 437KB 437KB [ 34.249383] biovec-64 110KB 110KB [ 34.254904] biovec-16 37KB 37KB [ 34.260418] bio_integrity_payload 0KB 4KB [ 34.266280] khugepaged_mm_slot 0KB 3KB [ 34.271882] uid_cache 0KB 3KB [ 34.277424] dmaengine-unmap-2 0KB 3KB [ 34.282972] audit_buffer 0KB 3KB [ 34.288532] skbuff_fclone_cache 138KB 142KB [ 34.294200] skbuff_head_cache 1738KB 1740KB [ 34.299664] configfs_dir_cache 0KB 4KB [ 34.305133] file_lock_cache 163KB 166KB [ 34.310499] file_lock_ctx 1KB 3KB [ 34.315852] fsnotify_mark_connector 2KB 3KB [ 34.321847] shmem_inode_cache 1045KB 1046KB [ 34.327340] task_delay_info 319KB 320KB [ 34.332815] sigqueue 366KB 366KB [ 34.338284] kernfs_node_cache 2288KB 2291KB [ 34.343773] mnt_cache 15KB 20KB [ 34.349239] filp 8397KB 8831KB [ 34.354728] names_cache 110466KB 110504KB [ 34.360202] avc_node 38KB 43KB [ 34.365680] selinux_file_security 431KB 496KB [ 34.371516] selinux_inode_security 1952KB 1956KB [ 34.377437] key_jar 3KB 7KB [ 34.382928] nsproxy 0KB 3KB [ 34.388544] vm_area_struct 18720KB 18724KB [ 34.394060] mm_struct 4529KB 4531KB [ 34.399454] fs_cache 427KB 432KB [ 34.404820] files_cache 1597KB 1597KB [ 34.410942] signal_cache 2548KB 2551KB [ 34.416384] sighand_cache 224KB 326KB [ 34.421771] task_struct 10871KB 10871KB [ 34.427152] cred_jar 2357KB 2360KB [ 34.432536] anon_vma_chain 7852KB 7855KB [ 34.437906] anon_vma 156KB 319KB [ 34.443278] pid 222KB 244KB [ 34.448662] Acpi-Operand 106KB 170KB [ 34.454044] Acpi-Parse 0KB 3KB [ 34.459438] Acpi-State 0KB 7KB [ 34.464855] Acpi-Namespace 19KB 23KB [ 34.470294] numa_policy 0KB 3KB [ 34.475726] debug_objects_cache 535KB 535KB [ 34.481336] trace_event_file 145KB 147KB [ 34.486766] ftrace_event_field 257KB 259KB [ 34.492241] pool_workqueue 24KB 24KB [ 34.497630] page->ptl 3098KB 3099KB [ 34.503060] kmalloc-262144 1032KB 1032KB [ 34.508446] kmalloc-131072 650KB 650KB [ 34.513833] kmalloc-65536 264KB 264KB [ 34.519216] kmalloc-32768 825KB 825KB [ 34.524600] kmalloc-16384 181KB 181KB [ 34.530050] kmalloc-8192 519KB 519KB [ 34.535479] kmalloc-4096 6664KB 6702KB [ 34.541598] kmalloc-2048 3204KB 3206KB [ 34.546987] kmalloc-1024 3551KB 3551KB [ 34.552372] kmalloc-512 2771KB 2771KB [ 34.557757] kmalloc-256 1980KB 2475KB [ 34.563140] kmalloc-128 409KB 523KB [ 34.568530] kmalloc-96 2112KB 2112KB [ 34.573905] kmalloc-64 2464KB 2464KB [ 34.579284] kmalloc-32 2405KB 2405KB [ 34.584660] kmalloc-192 912KB 912KB [ 34.590047] kmem_cache 100KB 105KB [ 34.595411] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 34.603995] [ 1826] 0 1826 5366 168 90112 0 -1000 udevd [ 34.612135] [ 3511] 0 3511 30604 145 118784 0 0 rsyslogd [ 34.620536] [ 3565] 0 3565 4725 51 77824 0 0 cron [ 34.628584] [ 3584] 0 3584 3736 44 65536 0 0 mcstransd [ 34.637094] [ 3612] 0 3612 12490 153 139264 0 -1000 sshd [ 34.645158] [ 3636] 0 3636 3694 40 73728 0 0 getty [ 34.653297] [ 3637] 0 3637 3694 40 69632 0 0 getty [ 34.661455] [ 3638] 0 3638 3694 39 77824 0 0 getty [ 34.669621] [ 3639] 0 3639 3694 41 73728 0 0 getty [ 34.677962] [ 3640] 0 3640 3694 42 77824 0 0 getty [ 34.686109] [ 3641] 0 3641 3694 42 69632 0 0 getty [ 34.694257] [ 3642] 0 3642 3649 39 77824 0 0 getty [ 34.702433] [ 3646] 0 3646 5681 455 86016 0 -1000 udevd [ 34.710609] [ 3647] 0 3647 5681 455 86016 0 -1000 udevd [ 34.718767] [ 3663] 0 3663 17821 196 188416 0 0 sshd [ 34.726834] [ 3665] 0 3665 280 1 32768 0 0 syzkaller633346 [ 34.735875] [ 3666] 0 3666 4375 523 36864 0 0 syzkaller633346 [ 34.744928] [ 3667] 0 3667 4375 523 36864 0 0 syzkaller633346 [ 34.753981] [ 3668] 0 3668 4375 523 36864 0 0 syzkaller633346 [ 34.763037] [ 3669] 0 3669 4375 523 36864 0 0 syzkaller633346 [ 34.772065] [ 3670] 0 3670 4375 523 36864 0 0 syzkaller633346 [ 34.781082] [ 3671] 0 3671 4375 523 36864 0 0 syzkaller633346 [ 34.790122] [ 3672] 0 3672 4375 523 36864 0 0 syzkaller633346 [ 34.799148] [ 3673] 0 3673 4375 523 36864 0 0 syzkaller633346 [ 34.808169] Out of memory: Kill process 3666 (syzkaller633346) score 0 or sacrifice child [ 34.816536] Killed process 3666 (syzkaller633346) total-vm:17500kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 34.828888] oom_reaper: reaped process 3666 (syzkaller633346), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 34.883223] rsyslogd invoked oom-killer: gfp_mask=0x14280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0 [ 34.896020] rsyslogd cpuset=/ mems_allowed=0 [ 34.900723] CPU: 1 PID: 3514 Comm: rsyslogd Not tainted 4.15.0-rc8-next-20180116+ #98 [ 34.908672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.918004] Call Trace: [ 34.920574] dump_stack+0x194/0x257 [ 34.924181] ? arch_local_irq_restore+0x53/0x53 [ 34.928831] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.934004] dump_header+0x28c/0xe2b [ 34.937712] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.942873] ? lock_release+0xa40/0xa40 [ 34.946826] ? pagefault_out_of_memory+0x145/0x145 [ 34.951728] ? __lock_acquire+0x664/0x3e00 [ 34.955944] ? print_irqtrace_events+0x270/0x270 [ 34.960684] ? check_noncircular+0x20/0x20 [ 34.964895] ? check_noncircular+0x20/0x20 [ 34.969107] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.973842] ? reacquire_held_locks+0x1f9/0x3e0 [ 34.978484] ? reacquire_held_locks+0x1f9/0x3e0 [ 34.983133] ? check_noncircular+0x20/0x20 [ 34.987341] ? task_will_free_mem+0x252/0xaa0 [ 34.991810] ? check_noncircular+0x20/0x20 [ 34.996036] ? print_irqtrace_events+0x270/0x270 [ 35.000773] ? ___ratelimit+0x30d/0x630 [ 35.004723] ? lock_downgrade+0x980/0x980 [ 35.008851] ? lock_release+0xa40/0xa40 [ 35.012803] ? mark_held_locks+0xaf/0x100 [ 35.016928] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 35.022015] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.027017] ? trace_hardirqs_on+0xd/0x10 [ 35.031145] ? ___ratelimit+0x95/0x630 [ 35.035009] ? idr_get_free_cmn+0xfd0/0xfd0 [ 35.039312] ? check_noncircular+0x20/0x20 [ 35.043529] oom_kill_process+0x81b/0x9f0 [ 35.047651] ? oom_badness+0xd1/0x980 [ 35.051425] ? lock_release+0xa40/0xa40 [ 35.055382] ? oom_kill_memcg_member+0x20/0x20 [ 35.059946] ? oom_evaluate_task+0x480/0x480 [ 35.064343] ? out_of_memory+0xe1c/0x1790 [ 35.068469] ? lock_downgrade+0x980/0x980 [ 35.072597] ? lock_release+0xa40/0xa40 [ 35.076565] ? oom_evaluate_task+0x284/0x480 [ 35.080952] out_of_memory+0x9d5/0x1790 [ 35.084909] ? oom_killer_disable+0x310/0x310 [ 35.089384] ? mutex_trylock+0x23a/0x2d0 [ 35.093416] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 35.098324] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 35.103749] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 35.109621] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 35.114469] ? warn_alloc+0x2b0/0x2b0 [ 35.118593] ? check_noncircular+0x20/0x20 [ 35.122803] ? print_irqtrace_events+0x270/0x270 [ 35.127536] ? check_noncircular+0x20/0x20 [ 35.131745] ? check_noncircular+0x20/0x20 [ 35.135965] ? pagevec_lru_move_fn+0x197/0x260 [ 35.140523] ? mem_cgroup_update_lru_size+0xe0/0xe0 [ 35.145519] ? __lock_acquire+0x664/0x3e00 [ 35.149732] ? print_irqtrace_events+0x270/0x270 [ 35.154474] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.159642] ? lock_release+0xa40/0xa40 [ 35.163624] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 35.169484] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.174668] ? __might_sleep+0x95/0x190 [ 35.178626] __alloc_pages_nodemask+0x9fb/0xd80 [ 35.183275] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 35.188262] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.193436] ? anon_vma_interval_tree_insert+0x2d0/0x2d0 [ 35.198864] ? check_noncircular+0x20/0x20 [ 35.203076] ? check_noncircular+0x20/0x20 [ 35.207284] ? check_noncircular+0x20/0x20 [ 35.211501] ? lock_downgrade+0x980/0x980 [ 35.215627] ? do_syslog+0x8b5/0xb80 [ 35.219331] ? check_noncircular+0x20/0x20 [ 35.223541] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.228712] alloc_pages_vma+0xc8/0x4b0 [ 35.232669] __handle_mm_fault+0x27d9/0x3ce0 [ 35.237067] ? __pmd_alloc+0x4e0/0x4e0 [ 35.240937] ? find_held_lock+0x35/0x1d0 [ 35.244981] ? handle_mm_fault+0x2a0/0x930 [ 35.249190] ? lock_downgrade+0x980/0x980 [ 35.253338] handle_mm_fault+0x38f/0x930 [ 35.257373] ? down_read_trylock+0xdb/0x170 [ 35.261672] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 35.266227] ? vmacache_find+0x5f/0x280 [ 35.270180] ? find_vma+0x30/0x150 [ 35.273706] __do_page_fault+0x5c9/0xc90 [ 35.277741] ? vma_set_page_prot+0x16b/0x230 [ 35.282131] ? mm_fault_error+0x2c0/0x2c0 [ 35.286261] ? up_write+0x6b/0x120 [ 35.289778] do_page_fault+0xee/0x720 [ 35.293555] ? __do_page_fault+0xc90/0xc90 [ 35.297765] ? do_mprotect_pkey+0x21e/0x900 [ 35.302163] ? entry_SYSCALL_64_fastpath+0x55/0xa0 [ 35.307069] ? page_fault+0x36/0x60 [ 35.310673] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.315490] ? page_fault+0x36/0x60 [ 35.319091] page_fault+0x4c/0x60 [ 35.322519] RIP: 0033:0x7ff467613e3a [ 35.326204] RSP: 002b:00007ff4652e1cb0 EFLAGS: 00010206 [ 35.331539] RAX: 0000000000000ff1 RBX: 00007ff46003fe00 RCX: 0000000000000004 [ 35.338783] RDX: 0000000000000225 RSI: 00007ff460040010 RDI: 00007ff460040000 [ 35.346029] RBP: 00007ff460000020 R08: 00007ff460000288 R09: 00007ff4676d6100 [ 35.353272] R10: 3a7063705f6c6163 R11: 0000000000000206 R12: 00007ff46003fdf0 [ 35.360513] R13: 0000000000000210 R14: 0000000000001211 R15: 0000000000001000 [ 35.367915] Mem-Info: [ 35.384043] active_anon:5589 inactive_anon:62 isolated_anon:0 [ 35.384043] active_file:23 inactive_file:12 isolated_file:0 [ 35.384043] unevictable:0 dirty:0 writeback:0 unstable:0 [ 35.384043] slab_reclaimable:7309 slab_unreclaimable:83003 [ 35.384043] mapped:0 shmem:70 pagetables:304 bounce:0 [ 35.384043] free:24212 free_pcp:14 free_cma:0 [ 35.417634] Node 0 active_anon:22356kB inactive_anon:248kB active_file:192kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):80kB mapped:0kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 35.444680] 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 [ 35.470822] lowmem_reserve[]: 0 2870 6381 6381 [ 35.475425] Node 0 DMA32 free:44168kB min:30328kB low:37908kB high:45488kB active_anon:32kB inactive_anon:0kB active_file:0kB inactive_file:40kB unevictable:0kB writepending:0kB present:3129332kB managed:2942292kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.503308] lowmem_reserve[]: 0 0 3510 3510 [ 35.508094] Node 0 Normal free:36596kB min:37088kB low:46360kB high:55632kB active_anon:22324kB inactive_anon:248kB active_file:0kB inactive_file:280kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3072kB pagetables:1216kB bounce:0kB free_pcp:124kB local_pcp:0kB free_cma:0kB [ 35.536759] lowmem_reserve[]: 0 0 0 0 [ 35.540602] 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 [ 35.554212] Node 0 DMA32: 4*4kB (UM) 5*8kB (UM) 9*16kB (UM) 4*32kB (UM) 3*64kB (UM) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44168kB [ 35.569702] Node 0 Normal: 383*4kB (M) 330*8kB (ME) 246*16kB (ME) 177*32kB (ME) 86*64kB (M) 41*128kB (ME) 24*256kB (ME) 8*512kB (UME) 2*1024kB (UE) 0*2048kB 0*4096kB = 36812kB [ 35.585538] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 35.594102] 120 total pagecache pages [ 35.597894] 0 pages in swap cache [ 35.601356] Swap cache stats: add 0, delete 0, find 0/0 [ 35.606747] Free swap = 0kB [ 35.609776] Total swap = 0kB [ 35.612799] 1965979 pages RAM [ 35.615902] 0 pages HighMem/MovableOnly [ 35.619866] 327773 pages reserved [ 35.623370] Unreclaimable slab info: [ 35.627239] Name Used Total [ 35.632792] hashtab_node 118KB 119KB [ 35.638150] ebitmap_node 382KB 385KB [ 35.643971] avtab_node 1012KB 1013KB [ 35.649334] TIPC 1KB 7KB [ 35.654688] SCTPv6 2KB 4KB [ 35.660043] DCCPv6 2KB 7KB [ 35.665394] DCCP 2KB 6KB [ 35.670757] fib6_nodes 0KB 4KB [ 35.676111] ip6_dst_cache 6KB 11KB [ 35.681467] RAWv6 9KB 13KB [ 35.686817] UDPv6 12KB 14KB [ 35.692176] TCPv6 2KB 5KB [ 35.697535] sd_ext_cdb 0KB 3KB [ 35.702885] scsi_sense_cache 85KB 124KB [ 35.708249] virtio_scsi_cmd 16KB 16KB [ 35.713609] sgpool-128 8KB 8KB [ 35.718966] sgpool-64 4KB 6KB [ 35.724334] sgpool-32 401KB 401KB [ 35.729689] sgpool-16 90KB 90KB [ 35.735042] sgpool-8 225KB 225KB [ 35.740397] cfq_io_cq 19KB 19KB [ 35.745791] cfq_queue 30KB 30KB [ 35.751148] mqueue_inode_cache 1KB 7KB [ 35.756601] nfs_commit_data 3KB 7KB [ 35.761962] nfs_write_data 34KB 37KB [ 35.767314] jbd2_inode 1KB 3KB [ 35.772666] ext4_system_zone 0KB 3KB [ 35.778442] bio-1 1KB 3KB [ 35.783800] rpc_buffers 17KB 19KB [ 35.789151] rpc_tasks 2KB 3KB [ 35.794519] UNIX 780KB 784KB [ 35.799894] tcp_bind_bucket 0KB 4KB [ 35.805261] ip_fib_trie 0KB 3KB [ 35.810624] ip_fib_alias 0KB 3KB [ 35.815990] ip_dst_cache 3KB 8KB [ 35.821363] RAW 5KB 7KB [ 35.826738] UDP 29KB 31KB [ 35.832120] request_sock_TCP 0KB 3KB [ 35.837486] TCP 7KB 7KB [ 35.842858] hugetlbfs_inode_cache 1KB 7KB [ 35.848571] eventpoll_pwq 11KB 15KB [ 35.853944] eventpoll_epi 20KB 27KB [ 35.859309] inotify_inode_mark 3KB 7KB [ 35.864761] request_queue 42KB 114KB [ 35.870127] blkdev_ioc 27KB 27KB [ 35.875532] bio-0 468KB 468KB [ 35.880913] biovec-(1<<(21-12)) 495KB 495KB [ 35.886486] biovec-64 165KB 165KB [ 35.891869] biovec-16 60KB 60KB [ 35.897255] bio_integrity_payload 0KB 4KB [ 35.902992] khugepaged_mm_slot 0KB 3KB [ 35.910070] uid_cache 0KB 3KB [ 35.916033] dmaengine-unmap-2 0KB 3KB [ 35.922338] audit_buffer 0KB 3KB [ 35.928656] skbuff_fclone_cache 137KB 142KB [ 35.935100] skbuff_head_cache 1739KB 1740KB [ 35.941085] configfs_dir_cache 0KB 4KB [ 35.946615] file_lock_cache 163KB 166KB [ 35.952005] file_lock_ctx 1KB 3KB [ 35.957414] fsnotify_mark_connector 2KB 3KB [ 35.963320] shmem_inode_cache 1045KB 1046KB [ 35.968700] task_delay_info 319KB 320KB [ 35.974112] sigqueue 366KB 366KB [ 35.979503] kernfs_node_cache 2288KB 2291KB [ 35.984874] mnt_cache 15KB 20KB [ 35.990227] filp 8390KB 8823KB [ 35.995577] names_cache 110466KB 110504KB [ 36.000931] avc_node 38KB 43KB [ 36.006282] selinux_file_security 431KB 496KB [ 36.011980] selinux_inode_security 1952KB 1956KB [ 36.017768] key_jar 3KB 7KB [ 36.023120] nsproxy 0KB 3KB [ 36.028484] vm_area_struct 18717KB 18724KB [ 36.033836] mm_struct 4526KB 4531KB [ 36.039190] fs_cache 426KB 432KB [ 36.044552] files_cache 1596KB 1597KB [ 36.049906] signal_cache 2547KB 2551KB [ 36.055262] sighand_cache 219KB 326KB [ 36.060621] task_struct 10871KB 10871KB [ 36.065974] cred_jar 2356KB 2360KB [ 36.071411] anon_vma_chain 7851KB 7855KB [ 36.076761] anon_vma 145KB 319KB [ 36.082133] pid 222KB 244KB [ 36.087519] Acpi-Operand 106KB 170KB [ 36.092909] Acpi-Parse 0KB 3KB [ 36.098292] Acpi-State 0KB 7KB [ 36.103679] Acpi-Namespace 19KB 23KB [ 36.109063] numa_policy 0KB 3KB [ 36.114447] debug_objects_cache 533KB 535KB [ 36.120006] trace_event_file 145KB 147KB [ 36.125409] ftrace_event_field 257KB 259KB [ 36.130881] pool_workqueue 24KB 24KB [ 36.136269] page->ptl 3097KB 3099KB [ 36.141673] kmalloc-262144 1032KB 1032KB [ 36.147056] kmalloc-131072 650KB 650KB [ 36.152440] kmalloc-65536 264KB 264KB [ 36.157828] kmalloc-32768 825KB 825KB [ 36.163209] kmalloc-16384 181KB 181KB [ 36.168608] kmalloc-8192 519KB 519KB [ 36.173992] kmalloc-4096 6655KB 6693KB [ 36.179377] kmalloc-2048 3204KB 3206KB [ 36.184760] kmalloc-1024 3685KB 3685KB [ 36.190139] kmalloc-512 2770KB 2771KB [ 36.195524] kmalloc-256 1977KB 2471KB [ 36.200913] kmalloc-128 407KB 523KB [ 36.206290] kmalloc-96 2124KB 2124KB [ 36.211673] kmalloc-64 2464KB 2464KB [ 36.217059] kmalloc-32 2405KB 2405KB [ 36.222497] kmalloc-192 910KB 912KB [ 36.227881] kmem_cache 100KB 105KB [ 36.233298] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 36.242058] [ 1826] 0 1826 5366 168 90112 0 -1000 udevd [ 36.250323] [ 3511] 0 3511 30604 158 118784 0 0 rsyslogd [ 36.258742] [ 3565] 0 3565 4725 51 77824 0 0 cron [ 36.266798] [ 3584] 0 3584 3736 44 65536 0 0 mcstransd [ 36.275285] [ 3612] 0 3612 12490 153 139264 0 -1000 sshd [ 36.283338] [ 3636] 0 3636 3694 40 73728 0 0 getty [ 36.291472] [ 3637] 0 3637 3694 40 69632 0 0 getty [ 36.299703] [ 3638] 0 3638 3694 39 77824 0 0 getty [ 36.307841] [ 3639] 0 3639 3694 41 73728 0 0 getty [ 36.315979] [ 3640] 0 3640 3694 42 77824 0 0 getty [ 36.324118] [ 3641] 0 3641 3694 42 69632 0 0 getty [ 36.332250] [ 3642] 0 3642 3649 39 77824 0 0 getty [ 36.340387] [ 3646] 0 3646 5681 454 86016 0 -1000 udevd [ 36.348554] [ 3647] 0 3647 5681 455 86016 0 -1000 udevd [ 36.356709] [ 3663] 0 3663 17821 196 188416 0 0 sshd [ 36.364758] [ 3665] 0 3665 280 1 32768 0 0 syzkaller633346 [ 36.373772] [ 3666] 0 3666 4375 0 32768 0 0 syzkaller633346 [ 36.382778] [ 3667] 0 3667 4375 523 36864 0 0 syzkaller633346 [ 36.391785] [ 3668] 0 3668 4375 523 36864 0 0 syzkaller633346 [ 36.400813] [ 3669] 0 3669 4375 523 36864 0 0 syzkaller633346 [ 36.409821] [ 3670] 0 3670 4375 523 36864 0 0 syzkaller633346 [ 36.418828] [ 3671] 0 3671 4375 523 36864 0 0 syzkaller633346 [ 36.427841] [ 3672] 0 3672 4375 523 36864 0 0 syzkaller633346 [ 36.436846] [ 3673] 0 3673 4375 523 36864 0 0 syzkaller633346 [ 36.445858] Out of memory: Kill process 3667 (syzkaller633346) score 0 or sacrifice child [ 36.454343] Killed process 3667 (syzkaller633346) total-vm:17500kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 36.467634] oom_reaper: reaped process 3667 (syzkaller633346), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 36.560374] rs:main Q:Reg invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 36.572339] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 36.577347] CPU: 1 PID: 3512 Comm: rs:main Q:Reg Not tainted 4.15.0-rc8-next-20180116+ #98 [ 36.585734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.595067] Call Trace: [ 36.597631] dump_stack+0x194/0x257 [ 36.601230] ? arch_local_irq_restore+0x53/0x53 [ 36.605872] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.611043] dump_header+0x28c/0xe2b [ 36.614735] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.619901] ? pagefault_out_of_memory+0x145/0x145 [ 36.624804] ? print_irqtrace_events+0x270/0x270 [ 36.629539] ? avc_has_perm_noaudit+0x37e/0x520 [ 36.634181] ? check_noncircular+0x20/0x20 [ 36.638399] ? reacquire_held_locks+0x1f9/0x3e0 [ 36.643036] ? reacquire_held_locks+0x1f9/0x3e0 [ 36.647677] ? check_noncircular+0x20/0x20 [ 36.651883] ? task_will_free_mem+0x252/0xaa0 [ 36.656356] ? check_noncircular+0x20/0x20 [ 36.660570] ? print_irqtrace_events+0x270/0x270 [ 36.665307] ? ___ratelimit+0x30d/0x630 [ 36.669253] ? lock_downgrade+0x980/0x980 [ 36.673377] ? lock_release+0xa40/0xa40 [ 36.677326] ? mark_held_locks+0xaf/0x100 [ 36.681448] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 36.686526] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.691514] ? trace_hardirqs_on+0xd/0x10 [ 36.695633] ? ___ratelimit+0x95/0x630 [ 36.699491] ? idr_get_free_cmn+0xfd0/0xfd0 [ 36.703787] ? check_noncircular+0x20/0x20 [ 36.708001] oom_kill_process+0x81b/0x9f0 [ 36.712120] ? oom_badness+0xd1/0x980 [ 36.715895] ? lock_release+0xa40/0xa40 [ 36.719845] ? oom_kill_memcg_member+0x20/0x20 [ 36.724403] ? oom_evaluate_task+0x480/0x480 [ 36.728788] ? out_of_memory+0xe1c/0x1790 [ 36.732910] ? lock_downgrade+0x980/0x980 [ 36.737031] ? lock_release+0xa40/0xa40 [ 36.740979] ? find_next_bit+0xcc/0x100 [ 36.744938] ? oom_evaluate_task+0x284/0x480 [ 36.749342] out_of_memory+0x9d5/0x1790 [ 36.753304] ? oom_killer_disable+0x310/0x310 [ 36.757789] ? mutex_trylock+0x23a/0x2d0 [ 36.761821] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 36.766724] ? __lock_is_held+0xb6/0x140 [ 36.770762] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 36.776199] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 36.781033] ? trace_hardirqs_on+0xd/0x10 [ 36.785171] ? warn_alloc+0x2b0/0x2b0 [ 36.788945] ? lock_downgrade+0x980/0x980 [ 36.793072] ? radix_tree_lookup_slot+0x99/0xe0 [ 36.797724] ? find_get_entry+0x53c/0x9e0 [ 36.801864] ? __lock_acquire+0x664/0x3e00 [ 36.806083] ? __lock_is_held+0xb6/0x140 [ 36.810132] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 36.815997] ? __might_sleep+0x95/0x190 [ 36.819951] __alloc_pages_nodemask+0x9fb/0xd80 [ 36.824608] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 36.829597] ? add_to_page_cache_lru+0x510/0x510 [ 36.834330] ? check_noncircular+0x20/0x20 [ 36.838536] ? check_noncircular+0x20/0x20 [ 36.842747] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 36.847491] alloc_pages_current+0xb6/0x1e0 [ 36.851792] __page_cache_alloc+0x334/0x500 [ 36.856085] ? rcu_read_lock_held+0xa9/0xc0 [ 36.860380] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 36.867721] filemap_fault+0xf34/0x1ca0 [ 36.871668] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.876839] ? __lock_page_or_retry+0x4f0/0x4f0 [ 36.881486] ? filemap_map_pages+0x942/0x15d0 [ 36.885967] ? find_get_entries_tag+0xeb0/0xeb0 [ 36.890616] ? check_noncircular+0x20/0x20 [ 36.894822] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.899986] ? print_irqtrace_events+0x270/0x270 [ 36.904716] ? print_irqtrace_events+0x270/0x270 [ 36.909442] ? print_irqtrace_events+0x270/0x270 [ 36.914177] ? lock_acquire+0x1d5/0x580 [ 36.918130] ? lock_acquire+0x1d5/0x580 [ 36.922074] ? lock_acquire+0x1d5/0x580 [ 36.926027] ? ext4_filemap_fault+0x7a/0xad [ 36.930323] ? __lock_acquire+0x664/0x3e00 [ 36.934535] ? lock_release+0xa40/0xa40 [ 36.938479] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 36.944342] ? rcu_note_context_switch+0x710/0x710 [ 36.949246] ? __might_sleep+0x95/0x190 [ 36.953196] ? down_read+0x96/0x150 [ 36.956793] ? ext4_filemap_fault+0x7a/0xad [ 36.961089] ? __down_interruptible+0x6b0/0x6b0 [ 36.965741] ext4_filemap_fault+0x82/0xad [ 36.969863] __do_fault+0xeb/0x315 [ 36.973381] ? pte_offset_kernel+0xc7/0xc7 [ 36.977588] ? do_raw_spin_trylock+0x190/0x190 [ 36.982149] ? check_noncircular+0x20/0x20 [ 36.986364] __handle_mm_fault+0x1d8f/0x3ce0 [ 36.990750] ? __pmd_alloc+0x4e0/0x4e0 [ 36.994625] ? find_held_lock+0x35/0x1d0 [ 36.998672] ? handle_mm_fault+0x2a0/0x930 [ 37.002881] ? lock_downgrade+0x980/0x980 [ 37.007631] handle_mm_fault+0x38f/0x930 [ 37.011665] ? down_read_trylock+0xdb/0x170 [ 37.015970] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 37.020527] ? vmacache_find+0x5f/0x280 [ 37.024471] ? vmacache_update+0xfe/0x130 [ 37.028598] ? find_vma+0x30/0x150 [ 37.032115] __do_page_fault+0x5c9/0xc90 [ 37.036148] ? kernel_read+0x120/0x120 [ 37.040025] ? mm_fault_error+0x2c0/0x2c0 [ 37.044155] ? avc_policy_seqno+0x9/0x20 [ 37.048197] ? selinux_file_permission+0x82/0x460 [ 37.053039] do_page_fault+0xee/0x720 [ 37.056817] ? __do_page_fault+0xc90/0xc90 [ 37.061029] ? __fdget_raw+0x20/0x20 [ 37.064732] ? vfs_write+0x224/0x510 [ 37.068420] ? fput+0xd2/0x140 [ 37.071585] ? SyS_write+0x184/0x220 [ 37.075273] ? retint_user+0x18/0x18 [ 37.078962] ? page_fault+0x36/0x60 [ 37.082563] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.087386] ? page_fault+0x36/0x60 [ 37.090993] page_fault+0x4c/0x60 [ 37.094419] RIP: 0033:0x7ff468170317 [ 37.098100] RSP: 002b:00007ff4662e2de0 EFLAGS: 00010206 [ 37.103437] RAX: 00007ff467d34290 RBX: 00007ff46837e050 RCX: 000000000000000b [ 37.110686] RDX: 000000000000000a RSI: 00007ff4683859a0 RDI: 00000000004067e0 [ 37.117933] RBP: 0000000000000002 R08: 0000000001d4536a R09: 0000000000000039 [ 37.125174] R10: 0000000000000000 R11: 00007ff4662e2e30 R12: 0000000000000007 [ 37.132429] R13: 000000007514dab9 R14: 0000000000000000 R15: 00007ff4662e2fb8 [ 37.139813] Mem-Info: [ 37.142893] active_anon:5072 inactive_anon:62 isolated_anon:0 [ 37.142893] active_file:25 inactive_file:0 isolated_file:0 [ 37.142893] unevictable:0 dirty:0 writeback:0 unstable:0 [ 37.142893] slab_reclaimable:7311 slab_unreclaimable:82984 [ 37.142893] mapped:2 shmem:70 pagetables:303 bounce:0 [ 37.142893] free:24258 free_pcp:47 free_cma:0 [ 37.174878] Node 0 active_anon:20288kB inactive_anon:248kB active_file:100kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 37.201706] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 37.227845] lowmem_reserve[]: 0 2870 6381 6381 [ 37.232466] Node 0 DMA32 free:44168kB min:30328kB low:37908kB high:45488kB active_anon:32kB inactive_anon:0kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942292kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 37.259738] lowmem_reserve[]: 0 0 3510 3510 [ 37.264078] Node 0 Normal free:36956kB min:37088kB low:46360kB high:55632kB active_anon:20256kB inactive_anon:248kB active_file:4kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3072kB pagetables:1212kB bounce:0kB free_pcp:192kB local_pcp:32kB free_cma:0kB [ 37.293285] lowmem_reserve[]: 0 0 0 0 [ 37.297159] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 37.310850] Node 0 DMA32: 4*4kB (UM) 5*8kB (UM) 9*16kB (UM) 4*32kB (UM) 3*64kB (UM) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44168kB [ 37.326425] Node 0 Normal: 383*4kB (M) 343*8kB (UME) 246*16kB (ME) 177*32kB (ME) 87*64kB (UM) 41*128kB (ME) 24*256kB (ME) 8*512kB (UME) 2*1024kB (UE) 0*2048kB 0*4096kB = 36980kB [ 37.342463] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 37.351053] 97 total pagecache pages [ 37.354792] 0 pages in swap cache [ 37.358246] Swap cache stats: add 0, delete 0, find 0/0 [ 37.363618] Free swap = 0kB [ 37.366650] Total swap = 0kB [ 37.369681] 1965979 pages RAM [ 37.372786] 0 pages HighMem/MovableOnly [ 37.376769] 327773 pages reserved [ 37.380317] Unreclaimable slab info: [ 37.384252] Name Used Total [ 37.389862] hashtab_node 118KB 119KB [ 37.395255] ebitmap_node 382KB 385KB [ 37.400647] avtab_node 1012KB 1013KB [ 37.406060] TIPC 1KB 7KB [ 37.412244] SCTPv6 2KB 4KB [ 37.417640] DCCPv6 2KB 7KB [ 37.423085] DCCP 2KB 6KB [ 37.429383] fib6_nodes 0KB 4KB [ 37.434777] ip6_dst_cache 5KB 11KB [ 37.440171] RAWv6 9KB 13KB [ 37.445559] UDPv6 12KB 14KB [ 37.450947] TCPv6 2KB 5KB [ 37.456360] sd_ext_cdb 0KB 3KB [ 37.461751] scsi_sense_cache 85KB 124KB [ 37.467148] virtio_scsi_cmd 16KB 16KB [ 37.472537] sgpool-128 8KB 8KB [ 37.477929] sgpool-64 4KB 6KB [ 37.483323] sgpool-32 399KB 401KB [ 37.488742] sgpool-16 88KB 90KB [ 37.495093] sgpool-8 224KB 225KB [ 37.501386] cfq_io_cq 17KB 19KB [ 37.507665] cfq_queue 27KB 30KB [ 37.513877] mqueue_inode_cache 1KB 7KB [ 37.520179] nfs_commit_data 3KB 7KB [ 37.525583] nfs_write_data 34KB 37KB [ 37.530970] jbd2_inode 1KB 3KB [ 37.536354] ext4_system_zone 0KB 3KB [ 37.541746] bio-1 1KB 3KB [ 37.547138] rpc_buffers 17KB 19KB [ 37.552533] rpc_tasks 2KB 3KB [ 37.557928] UNIX 780KB 784KB [ 37.564117] tcp_bind_bucket 0KB 4KB [ 37.569501] ip_fib_trie 0KB 3KB [ 37.574883] ip_fib_alias 0KB 3KB [ 37.580260] ip_dst_cache 3KB 8KB [ 37.585675] RAW 5KB 7KB [ 37.591055] UDP 29KB 31KB [ 37.596435] TCP 7KB 7KB [ 37.601804] hugetlbfs_inode_cache 1KB 7KB [ 37.607533] eventpoll_pwq 11KB 15KB [ 37.612921] eventpoll_epi 20KB 27KB [ 37.618312] inotify_inode_mark 3KB 7KB [ 37.623782] request_queue 37KB 91KB [ 37.629161] blkdev_ioc 24KB 27KB [ 37.634546] bio-0 468KB 468KB [ 37.639931] biovec-(1<<(21-12)) 495KB 495KB [ 37.645474] biovec-64 165KB 165KB [ 37.650853] biovec-16 60KB 60KB [ 37.656243] bio_integrity_payload 0KB 4KB [ 37.661965] khugepaged_mm_slot 0KB 3KB [ 37.667434] uid_cache 0KB 3KB [ 37.672820] dmaengine-unmap-2 0KB 3KB [ 37.678192] audit_buffer 0KB 3KB [ 37.683582] skbuff_fclone_cache 137KB 142KB [ 37.689142] skbuff_head_cache 1738KB 1740KB [ 37.694524] configfs_dir_cache 0KB 4KB [ 37.700801] file_lock_cache 163KB 166KB [ 37.706219] file_lock_ctx 1KB 3KB [ 37.711617] fsnotify_mark_connector 2KB 3KB [ 37.717513] shmem_inode_cache 1045KB 1046KB [ 37.722896] task_delay_info 319KB 320KB [ 37.728289] sigqueue 365KB 366KB [ 37.733667] kernfs_node_cache 2288KB 2291KB [ 37.739029] mnt_cache 15KB 20KB [ 37.744412] filp 8349KB 8797KB [ 37.749791] names_cache 110449KB 110487KB [ 37.755156] avc_node 37KB 43KB [ 37.760528] selinux_file_security 426KB 496KB [ 37.766264] selinux_inode_security 1951KB 1956KB [ 37.772082] key_jar 3KB 7KB [ 37.777451] nsproxy 0KB 3KB [ 37.782828] vm_area_struct 18716KB 18724KB [ 37.788211] mm_struct 4526KB 4531KB [ 37.793580] fs_cache 425KB 432KB [ 37.798940] files_cache 1596KB 1597KB [ 37.804321] signal_cache 2547KB 2551KB [ 37.809705] sighand_cache 215KB 319KB [ 37.815069] task_struct 10871KB 10871KB [ 37.820449] cred_jar 2356KB 2360KB [ 37.825824] anon_vma_chain 7850KB 7855KB [ 37.831188] anon_vma 131KB 319KB [ 37.837325] pid 222KB 244KB [ 37.842743] Acpi-Operand 106KB 170KB [ 37.848130] Acpi-State 0KB 3KB [ 37.853511] Acpi-Namespace 19KB 23KB [ 37.858895] numa_policy 0KB 3KB [ 37.864287] debug_objects_cache 531KB 535KB [ 37.869842] trace_event_file 145KB 147KB [ 37.875228] ftrace_event_field 257KB 259KB [ 37.880716] pool_workqueue 24KB 24KB [ 37.886104] page->ptl 3097KB 3099KB [ 37.891514] kmalloc-262144 1032KB 1032KB [ 37.896902] kmalloc-131072 650KB 650KB [ 37.902293] kmalloc-65536 264KB 264KB [ 37.907679] kmalloc-32768 825KB 825KB [ 37.913066] kmalloc-16384 181KB 181KB [ 37.918452] kmalloc-8192 519KB 519KB [ 37.923866] kmalloc-4096 6638KB 6676KB [ 37.929262] kmalloc-2048 3204KB 3206KB [ 37.934652] kmalloc-1024 3685KB 3685KB [ 37.940049] kmalloc-512 2768KB 2771KB [ 37.945438] kmalloc-256 1956KB 2460KB [ 37.950810] kmalloc-128 406KB 523KB [ 37.956188] kmalloc-96 2124KB 2124KB [ 37.961572] kmalloc-64 2467KB 2468KB [ 37.966935] kmalloc-32 2398KB 2405KB [ 37.973214] kmalloc-192 909KB 912KB [ 37.978616] kmem_cache 100KB 105KB [ 37.983991] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 37.992665] [ 1826] 0 1826 5366 168 90112 0 -1000 udevd [ 38.000919] [ 3511] 0 3511 30604 158 118784 0 0 rsyslogd [ 38.009372] [ 3565] 0 3565 4725 51 77824 0 0 cron [ 38.017471] [ 3584] 0 3584 3736 44 65536 0 0 mcstransd [ 38.025998] [ 3612] 0 3612 12490 153 139264 0 -1000 sshd [ 38.034094] [ 3636] 0 3636 3694 40 73728 0 0 getty [ 38.042273] [ 3637] 0 3637 3694 40 69632 0 0 getty [ 38.050451] [ 3638] 0 3638 3694 39 77824 0 0 getty [ 38.058626] [ 3639] 0 3639 3694 41 73728 0 0 getty [ 38.066890] [ 3640] 0 3640 3694 42 77824 0 0 getty [ 38.075075] [ 3641] 0 3641 3694 42 69632 0 0 getty [ 38.083260] [ 3642] 0 3642 3649 39 77824 0 0 getty [ 38.091437] [ 3646] 0 3646 5681 454 86016 0 -1000 udevd [ 38.099615] [ 3647] 0 3647 5681 455 86016 0 -1000 udevd [ 38.107814] [ 3663] 0 3663 17821 196 188416 0 0 sshd [ 38.115907] [ 3665] 0 3665 280 1 32768 0 0 syzkaller633346 [ 38.124947] [ 3666] 0 3666 4375 0 32768 0 0 syzkaller633346 [ 38.133997] [ 3667] 0 3667 4375 0 32768 0 0 syzkaller633346 [ 38.143046] [ 3668] 0 3668 4375 523 36864 0 0 syzkaller633346 [ 38.152097] [ 3669] 0 3669 4375 523 36864 0 0 syzkaller633346 [ 38.161144] [ 3670] 0 3670 4375 523 36864 0 0 syzkaller633346 [ 38.170206] [ 3671] 0 3671 4375 523 36864 0 0 syzkaller633346 [ 38.179278] [ 3672] 0 3672 4375 523 36864 0 0 syzkaller633346 [ 38.188340] [ 3673] 0 3673 4375 523 36864 0 0 syzkaller633346 [ 38.197377] Out of memory: Kill process 3668 (syzkaller633346) score 0 or sacrifice child [ 38.206771] Killed process 3668 (syzkaller633346) total-vm:17500kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 38.219883] oom_reaper: reaped process 3668 (syzkaller633346), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 38.231668] kworker/0:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 38.244716] kworker/0:1 cpuset=/ mems_allowed=0 [ 38.249667] CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.15.0-rc8-next-20180116+ #98 [ 38.257711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.267059] Workqueue: events pcpu_balance_workfn [ 38.271873] Call Trace: [ 38.274436] dump_stack+0x194/0x257 [ 38.278045] ? arch_local_irq_restore+0x53/0x53 [ 38.282692] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 38.287865] dump_header+0x28c/0xe2b [ 38.291558] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 38.296728] ? pagefault_out_of_memory+0x145/0x145 [ 38.301633] ? print_irqtrace_events+0x270/0x270 [ 38.306372] ? avc_has_perm_noaudit+0x37e/0x520 [ 38.311025] ? check_noncircular+0x20/0x20 [ 38.315247] ? reacquire_held_locks+0x1f9/0x3e0 [ 38.319887] ? reacquire_held_locks+0x1f9/0x3e0 [ 38.324538] ? check_noncircular+0x20/0x20 [ 38.328749] ? task_will_free_mem+0x252/0xaa0 [ 38.333215] ? check_noncircular+0x20/0x20 [ 38.337426] ? print_irqtrace_events+0x270/0x270 [ 38.342161] ? ___ratelimit+0x30d/0x630 [ 38.346109] ? lock_downgrade+0x980/0x980 [ 38.350239] ? lock_release+0xa40/0xa40 [ 38.354196] ? mark_held_locks+0xaf/0x100 [ 38.358317] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 38.363392] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.368392] ? trace_hardirqs_on+0xd/0x10 [ 38.372515] ? ___ratelimit+0x95/0x630 [ 38.376377] ? idr_get_free_cmn+0xfd0/0xfd0 [ 38.380685] ? check_noncircular+0x20/0x20 [ 38.384903] oom_kill_process+0x81b/0x9f0 [ 38.389029] ? oom_badness+0xd1/0x980 [ 38.392808] ? lock_release+0xa40/0xa40 [ 38.396849] ? oom_kill_memcg_member+0x20/0x20 [ 38.401409] ? oom_evaluate_task+0x480/0x480 [ 38.405803] ? out_of_memory+0xe1c/0x1790 [ 38.409932] ? lock_downgrade+0x980/0x980 [ 38.414058] ? lock_release+0xa40/0xa40 [ 38.418012] ? find_next_bit+0xcc/0x100 [ 38.421965] ? blocking_notifier_call_chain+0x112/0x190 [ 38.427308] ? oom_evaluate_task+0x284/0x480 [ 38.431709] out_of_memory+0x9d5/0x1790 [ 38.435662] ? oom_killer_disable+0x310/0x310 [ 38.440138] ? mutex_trylock+0x23a/0x2d0 [ 38.444172] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 38.449077] ? __lock_is_held+0xb6/0x140 [ 38.453110] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 38.458541] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 38.463385] ? warn_alloc+0x2b0/0x2b0 [ 38.467155] ? check_noncircular+0x20/0x20 [ 38.471371] ? print_irqtrace_events+0x270/0x270 [ 38.476113] ? find_held_lock+0x35/0x1d0 [ 38.480153] ? __mutex_lock+0x5bd/0x1a80 [ 38.484191] ? __lock_acquire+0x664/0x3e00 [ 38.488400] ? lock_release+0xa40/0xa40 [ 38.492348] ? memset+0x31/0x40 [ 38.495603] ? do_raw_spin_trylock+0x190/0x190 [ 38.500176] ? __lock_is_held+0xb6/0x140 [ 38.504227] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 38.510095] ? __might_sleep+0x95/0x190 [ 38.514052] __alloc_pages_nodemask+0x9fb/0xd80 [ 38.518715] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 38.523705] ? __lock_acquire+0x664/0x3e00 [ 38.527916] ? __lock_acquire+0x664/0x3e00 [ 38.532126] ? print_irqtrace_events+0x270/0x270 [ 38.536859] ? __lock_is_held+0xb6/0x140 [ 38.540898] ? find_next_bit+0xcc/0x100 [ 38.544853] pcpu_populate_chunk+0x1b3/0x880 [ 38.549236] ? find_next_bit+0x87/0x100 [ 38.553201] pcpu_balance_workfn+0xf3e/0x1520 [ 38.557672] ? check_noncircular+0x20/0x20 [ 38.561882] ? find_held_lock+0x35/0x1d0 [ 38.565928] ? pcpu_create_chunk+0x900/0x900 [ 38.570312] ? lock_release+0xa40/0xa40 [ 38.574266] ? check_noncircular+0x20/0x20 [ 38.578480] ? lock_acquire+0x1d5/0x580 [ 38.582425] ? lock_acquire+0x1d5/0x580 [ 38.586374] ? process_one_work+0xb01/0x1af0 [ 38.590767] ? __lock_is_held+0xb6/0x140 [ 38.594814] process_one_work+0xbbf/0x1af0 [ 38.599044] ? trace_hardirqs_on+0xd/0x10 [ 38.603181] ? pwq_dec_nr_in_flight+0x450/0x450 [ 38.607836] ? __schedule+0x8f3/0x2060 [ 38.611706] ? update_curr+0x2e3/0xa60 [ 38.615578] ? check_noncircular+0x20/0x20 [ 38.619797] ? __lock_is_held+0xb6/0x140 [ 38.623858] ? lock_acquire+0x1d5/0x580 [ 38.627811] ? lock_acquire+0x1d5/0x580 [ 38.631761] ? worker_thread+0x4a3/0x1990 [ 38.635884] ? lock_downgrade+0x980/0x980 [ 38.640010] ? lock_release+0xa40/0xa40 [ 38.643974] ? check_noncircular+0x20/0x20 [ 38.648183] ? do_raw_spin_trylock+0x190/0x190 [ 38.652765] worker_thread+0x223/0x1990 [ 38.656730] ? process_one_work+0x1af0/0x1af0 [ 38.661203] ? _raw_spin_unlock_irq+0x27/0x70 [ 38.665671] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.670663] ? trace_hardirqs_on+0xd/0x10 [ 38.674791] ? mmdrop+0x18/0x30 [ 38.678045] ? finish_task_switch+0x1f6/0x740 [ 38.682517] ? copy_overflow+0x20/0x20 [ 38.686390] ? __schedule+0x8f3/0x2060 [ 38.690272] ? find_held_lock+0x35/0x1d0 [ 38.694313] ? find_held_lock+0x35/0x1d0 [ 38.698351] ? complete+0x62/0x80 [ 38.701790] ? __schedule+0x2060/0x2060 [ 38.705738] ? do_wait_intr_irq+0x3e0/0x3e0 [ 38.710039] ? __lockdep_init_map+0xe4/0x650 [ 38.714421] ? do_raw_spin_trylock+0x190/0x190 [ 38.718976] ? lockdep_init_map+0x9/0x10 [ 38.723019] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 38.728105] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.733094] ? trace_hardirqs_on+0xd/0x10 [ 38.737217] ? __kthread_parkme+0x175/0x240 [ 38.741515] kthread+0x33c/0x400 [ 38.744856] ? process_one_work+0x1af0/0x1af0 [ 38.749320] ? kthread_stop+0x7a0/0x7a0 [ 38.753270] ret_from_fork+0x37/0x50 [ 38.757110] Mem-Info: [ 38.759554] active_anon:4555 inactive_anon:62 isolated_anon:0 [ 38.759554] active_file:15 inactive_file:9 isolated_file:0 [ 38.759554] unevictable:0 dirty:0 writeback:0 unstable:0 [ 38.759554] slab_reclaimable:7311 slab_unreclaimable:82974 [ 38.759554] mapped:2 shmem:70 pagetables:302 bounce:0 [ 38.759554] free:23815 free_pcp:16 free_cma:0 [ 38.791530] Node 0 active_anon:18220kB inactive_anon:248kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 38.818443] 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 [ 38.844582] lowmem_reserve[]: 0 2870 6381 6381 [ 38.849194] Node 0 DMA32 free:44168kB min:30328kB low:37908kB high:45488kB active_anon:32kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942292kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 38.876464] lowmem_reserve[]: 0 0 3510 3510 [ 38.880815] Node 0 Normal free:35184kB min:37088kB low:46360kB high:55632kB active_anon:18188kB inactive_anon:248kB active_file:60kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3072kB pagetables:1208kB bounce:0kB free_pcp:64kB local_pcp:8kB free_cma:0kB [ 38.909422] lowmem_reserve[]: 0 0 0 0 [ 38.913270] 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 [ 38.926970] Node 0 DMA32: 4*4kB (UM) 5*8kB (UM) 9*16kB (UM) 4*32kB (UM) 3*64kB (UM) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44168kB [ 38.942547] Node 0 Normal: 384*4kB (UM) 330*8kB (ME) 246*16kB (UME) 176*32kB (UM) 87*64kB (UM) 40*128kB (M) 24*256kB (UM) 7*512kB (UM) 1*1024kB (U) 0*2048kB 0*4096kB = 35184kB [ 38.958478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 38.967072] 97 total pagecache pages [ 38.970818] 0 pages in swap cache [ 38.974286] Swap cache stats: add 0, delete 0, find 0/0 [ 38.979669] Free swap = 0kB [ 38.982701] Total swap = 0kB [ 38.985739] 1965979 pages RAM [ 38.988858] 0 pages HighMem/MovableOnly [ 38.992854] 327773 pages reserved [ 38.996355] Unreclaimable slab info: [ 39.000231] Name Used Total [ 39.005835] hashtab_node 118KB 119KB [ 39.011211] ebitmap_node 382KB 385KB [ 39.016588] avtab_node 1012KB 1013KB [ 39.021981] TIPC 1KB 7KB [ 39.027366] SCTPv6 2KB 4KB [ 39.032780] DCCPv6 2KB 7KB [ 39.038202] DCCP 2KB 6KB [ 39.043606] fib6_nodes 0KB 4KB [ 39.048994] ip6_dst_cache 5KB 11KB [ 39.054383] RAWv6 9KB 13KB [ 39.059772] UDPv6 12KB 14KB [ 39.065161] TCPv6 2KB 5KB [ 39.070563] sd_ext_cdb 0KB 3KB [ 39.075945] scsi_sense_cache 85KB 124KB [ 39.081314] virtio_scsi_cmd 16KB 16KB [ 39.086703] sgpool-128 8KB 8KB [ 39.092075] sgpool-64 4KB 6KB [ 39.097453] sgpool-32 399KB 401KB [ 39.102852] sgpool-16 88KB 90KB [ 39.108240] sgpool-8 224KB 225KB [ 39.113629] cfq_io_cq 17KB 19KB [ 39.119035] cfq_queue 27KB 30KB [ 39.124416] mqueue_inode_cache 1KB 7KB [ 39.129887] nfs_commit_data 3KB 7KB [ 39.135273] nfs_write_data 34KB 37KB [ 39.140665] jbd2_inode 1KB 3KB [ 39.146050] ext4_system_zone 0KB 3KB [ 39.151440] bio-1 1KB 3KB [ 39.156830] rpc_buffers 17KB 19KB [ 39.162214] rpc_tasks 2KB 3KB [ 39.167626] UNIX 780KB 784KB [ 39.173968] tcp_bind_bucket 0KB 4KB [ 39.180241] ip_fib_trie 0KB 3KB [ 39.185635] ip_fib_alias 0KB 3KB [ 39.191041] ip_dst_cache 3KB 8KB [ 39.196427] RAW 5KB 7KB [ 39.201809] UDP 29KB 31KB [ 39.207197] TCP 7KB 7KB [ 39.212578] hugetlbfs_inode_cache 1KB 7KB [ 39.218305] eventpoll_pwq 11KB 15KB [ 39.223691] eventpoll_epi 20KB 27KB [ 39.229075] inotify_inode_mark 3KB 7KB [ 39.234559] request_queue 37KB 91KB [ 39.239943] blkdev_ioc 24KB 27KB [ 39.245326] bio-0 468KB 468KB [ 39.250712] biovec-(1<<(21-12)) 495KB 495KB [ 39.256273] biovec-64 165KB 165KB [ 39.261664] biovec-16 60KB 60KB [ 39.267060] bio_integrity_payload 0KB 4KB [ 39.272794] khugepaged_mm_slot 0KB 3KB [ 39.278268] uid_cache 0KB 3KB [ 39.283656] dmaengine-unmap-2 0KB 3KB [ 39.289044] audit_buffer 0KB 3KB [ 39.294429] skbuff_fclone_cache 137KB 142KB [ 39.300878] skbuff_head_cache 1738KB 1740KB [ 39.306286] configfs_dir_cache 0KB 4KB [ 39.311762] file_lock_cache 163KB 166KB [ 39.317146] file_lock_ctx 1KB 3KB [ 39.322532] fsnotify_mark_connector 2KB 3KB [ 39.328444] shmem_inode_cache 1045KB 1046KB [ 39.333835] task_delay_info 319KB 320KB [ 39.339210] sigqueue 365KB 366KB [ 39.344586] kernfs_node_cache 2288KB 2291KB [ 39.349951] mnt_cache 15KB 20KB [ 39.355325] filp 8349KB 8797KB [ 39.360710] names_cache 110449KB 110487KB [ 39.366129] avc_node 37KB 43KB [ 39.371516] selinux_file_security 426KB 496KB [ 39.377251] selinux_inode_security 1951KB 1956KB [ 39.383077] key_jar 3KB 7KB [ 39.388461] nsproxy 0KB 3KB [ 39.393845] vm_area_struct 18716KB 18724KB [ 39.399226] mm_struct 4526KB 4531KB [ 39.404615] fs_cache 425KB 432KB [ 39.410040] files_cache 1596KB 1597KB [ 39.415430] signal_cache 2547KB 2551KB [ 39.420816] sighand_cache 215KB 319KB [ 39.426207] task_struct 10871KB 10871KB [ 39.431604] cred_jar 2356KB 2360KB [ 39.436996] anon_vma_chain 7850KB 7855KB [ 39.442381] anon_vma 131KB 319KB [ 39.447770] pid 222KB 244KB [ 39.453155] Acpi-Operand 106KB 170KB [ 39.458542] Acpi-State 0KB 3KB [ 39.463925] Acpi-Namespace 19KB 23KB [ 39.469305] numa_policy 0KB 3KB [ 39.474685] debug_objects_cache 531KB 535KB [ 39.480234] trace_event_file 145KB 147KB [ 39.485610] ftrace_event_field 257KB 259KB [ 39.491086] pool_workqueue 24KB 24KB [ 39.496493] page->ptl 3097KB 3099KB [ 39.501905] kmalloc-262144 1032KB 1032KB [ 39.507291] kmalloc-131072 650KB 650KB [ 39.512687] kmalloc-65536 264KB 264KB [ 39.518072] kmalloc-32768 825KB 825KB [ 39.523452] kmalloc-16384 181KB 181KB [ 39.528831] kmalloc-8192 519KB 519KB [ 39.534211] kmalloc-4096 6638KB 6676KB [ 39.539577] kmalloc-2048 3204KB 3206KB [ 39.544953] kmalloc-1024 3685KB 3685KB [ 39.550334] kmalloc-512 2768KB 2771KB [ 39.555711] kmalloc-256 1956KB 2460KB [ 39.561083] kmalloc-128 406KB 523KB [ 39.566463] kmalloc-96 2124KB 2124KB [ 39.572451] kmalloc-64 2467KB 2468KB [ 39.578477] kmalloc-32 2398KB 2405KB [ 39.583931] kmalloc-192 909KB 912KB [ 39.589317] kmem_cache 100KB 105KB [ 39.594700] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 39.603401] [ 1826] 0 1826 5366 168 90112 0 -1000 udevd [ 39.611770] [ 3511] 0 3511 30604 158 118784 0 0 rsyslogd [ 39.620189] [ 3565] 0 3565 4725 51 77824 0 0 cron [ 39.628272] [ 3584] 0 3584 3736 44 65536 0 0 mcstransd [ 39.636798] [ 3612] 0 3612 12490 153 139264 0 -1000 sshd [ 39.644869] [ 3636] 0 3636 3694 40 73728 0 0 getty [ 39.653058] [ 3637] 0 3637 3694 40 69632 0 0 getty [ 39.661232] [ 3638] 0 3638 3694 39 77824 0 0 getty [ 39.669410] [ 3639] 0 3639 3694 41 73728 0 0 getty [ 39.677581] [ 3640] 0 3640 3694 42 77824 0 0 getty [ 39.685747] [ 3641] 0 3641 3694 42 69632 0 0 getty [ 39.693947] [ 3642] 0 3642 3649 39 77824 0 0 getty [ 39.702209] [ 3646] 0 3646 5681 454 86016 0 -1000 udevd [ 39.710387] [ 3647] 0 3647 5681 455 86016 0 -1000 udevd [ 39.718578] [ 3663] 0 3663 17821 196 188416 0 0 sshd [ 39.726657] [ 3665] 0 3665 280 1 32768 0 0 syzkaller633346 [ 39.735696] [ 3666] 0 3666 4375 0 32768 0 0 syzkaller633346 [ 39.744738] [ 3667] 0 3667 4375 0 32768 0 0 syzkaller633346 [ 39.753779] [ 3668] 0 3668 4375 0 32768 0 0 syzkaller633346 [ 39.762814] [ 3669] 0 3669 4375 523 36864 0 0 syzkaller633346 [ 39.771849] [ 3670] 0 3670 4375 523 36864 0 0 syzkaller633346 [ 39.780882] [ 3671] 0 3671 4375 523 36864 0 0 syzkaller633346 [ 39.789916] [ 3672] 0 3672 4375 523 36864 0 0 syzkaller633346 [ 39.798969] [ 3673] 0 3673 4375 523 36864 0 0 syzkaller633346 [ 39.808008] Out of memory: Kill process 3669 (syzkaller633346) score 0 or sacrifice child [ 39.816615] Killed process 3669 (syzkaller633346) total-vm:17500kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 39.829908] oom_reaper: reaped process 3669 (syzkaller633346), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 39.952846] rs:main Q:Reg invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 39.965577] rs:main Q:Reg cpuset=/ mems_allowed=0 [ 39.970470] CPU: 1 PID: 3512 Comm: rs:main Q:Reg Not tainted 4.15.0-rc8-next-20180116+ #98 [ 39.978865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.988217] Call Trace: [ 39.990803] dump_stack+0x194/0x257 [ 39.994429] ? arch_local_irq_restore+0x53/0x53 [ 39.999097] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.004294] dump_header+0x28c/0xe2b [ 40.008016] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.013207] ? pagefault_out_of_memory+0x145/0x145 [ 40.018137] ? print_irqtrace_events+0x270/0x270 [ 40.022894] ? avc_has_perm_noaudit+0x37e/0x520 [ 40.027562] ? check_noncircular+0x20/0x20 [ 40.031788] ? check_noncircular+0x20/0x20 [ 40.036019] ? print_irqtrace_events+0x270/0x270 [ 40.040772] ? reacquire_held_locks+0x1f9/0x3e0 [ 40.045427] ? reacquire_held_locks+0x1f9/0x3e0 [ 40.050095] ? check_noncircular+0x20/0x20 [ 40.054322] ? task_will_free_mem+0x252/0xaa0 [ 40.058807] ? check_noncircular+0x20/0x20 [ 40.063044] ? print_irqtrace_events+0x270/0x270 [ 40.067806] ? ___ratelimit+0x30d/0x630 [ 40.071772] ? lock_downgrade+0x980/0x980 [ 40.075914] ? lock_release+0xa40/0xa40 [ 40.079883] ? mark_held_locks+0xaf/0x100 [ 40.084027] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 40.089129] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.094138] ? trace_hardirqs_on+0xd/0x10 [ 40.098283] ? ___ratelimit+0x95/0x630 [ 40.102161] ? idr_get_free_cmn+0xfd0/0xfd0 [ 40.106475] ? check_noncircular+0x20/0x20 [ 40.110718] oom_kill_process+0x81b/0x9f0 [ 40.114855] ? oom_badness+0xd1/0x980 [ 40.118643] ? lock_release+0xa40/0xa40 [ 40.122613] ? oom_kill_memcg_member+0x20/0x20 [ 40.127198] ? oom_evaluate_task+0x480/0x480 [ 40.131608] ? out_of_memory+0xe1c/0x1790 [ 40.135750] ? lock_downgrade+0x980/0x980 [ 40.139896] ? lock_release+0xa40/0xa40 [ 40.143858] ? find_next_bit+0xcc/0x100 [ 40.147841] ? oom_evaluate_task+0x284/0x480 [ 40.152251] out_of_memory+0x9d5/0x1790 [ 40.156230] ? oom_killer_disable+0x310/0x310 [ 40.160725] ? mutex_trylock+0x23a/0x2d0 [ 40.164775] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 40.169700] ? __lock_is_held+0xb6/0x140 [ 40.173756] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 40.179218] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 40.184073] ? trace_hardirqs_on+0xd/0x10 [ 40.188246] ? warn_alloc+0x2b0/0x2b0 [ 40.192036] ? lock_downgrade+0x980/0x980 [ 40.196195] ? radix_tree_lookup_slot+0x99/0xe0 [ 40.200881] ? find_get_entry+0x53c/0x9e0 [ 40.205076] ? __lock_acquire+0x664/0x3e00 [ 40.209329] ? __lock_is_held+0xb6/0x140 [ 40.213425] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.219498] ? __might_sleep+0x95/0x190 [ 40.223475] __alloc_pages_nodemask+0x9fb/0xd80 [ 40.228149] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 40.233161] ? add_to_page_cache_lru+0x510/0x510 [ 40.237921] ? check_noncircular+0x20/0x20 [ 40.242143] ? check_noncircular+0x20/0x20 [ 40.246377] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 40.251157] alloc_pages_current+0xb6/0x1e0 [ 40.255478] __page_cache_alloc+0x334/0x500 [ 40.259791] ? rcu_read_lock_held+0xa9/0xc0 [ 40.264112] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 40.271482] filemap_fault+0xf34/0x1ca0 [ 40.275452] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.280650] ? __lock_page_or_retry+0x4f0/0x4f0 [ 40.285321] ? filemap_map_pages+0x942/0x15d0 [ 40.289876] ? find_get_entries_tag+0xeb0/0xeb0 [ 40.294576] ? check_noncircular+0x20/0x20 [ 40.298806] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.303985] ? print_irqtrace_events+0x270/0x270 [ 40.308731] ? print_irqtrace_events+0x270/0x270 [ 40.313485] ? print_irqtrace_events+0x270/0x270 [ 40.318247] ? lock_acquire+0x1d5/0x580 [ 40.322222] ? lock_acquire+0x1d5/0x580 [ 40.326185] ? lock_acquire+0x1d5/0x580 [ 40.330151] ? ext4_filemap_fault+0x7a/0xad [ 40.334487] ? __lock_acquire+0x664/0x3e00 [ 40.338718] ? lock_release+0xa40/0xa40 [ 40.342688] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.348570] ? rcu_note_context_switch+0x710/0x710 [ 40.353503] ? __might_sleep+0x95/0x190 [ 40.357477] ? down_read+0x96/0x150 [ 40.361095] ? ext4_filemap_fault+0x7a/0xad [ 40.365410] ? __down_interruptible+0x6b0/0x6b0 [ 40.370091] ext4_filemap_fault+0x82/0xad [ 40.374235] __do_fault+0xeb/0x315 [ 40.377775] ? pte_offset_kernel+0xc7/0xc7 [ 40.382031] ? do_raw_spin_trylock+0x190/0x190 [ 40.386639] ? check_noncircular+0x20/0x20 [ 40.390884] __handle_mm_fault+0x1d8f/0x3ce0 [ 40.395297] ? __pmd_alloc+0x4e0/0x4e0 [ 40.399192] ? find_held_lock+0x35/0x1d0 [ 40.403258] ? handle_mm_fault+0x2a0/0x930 [ 40.407489] ? lock_downgrade+0x980/0x980 [ 40.411672] handle_mm_fault+0x38f/0x930 [ 40.415725] ? down_read_trylock+0xdb/0x170 [ 40.420049] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 40.424621] ? vmacache_find+0x5f/0x280 [ 40.428595] ? find_vma+0x30/0x150 [ 40.432133] __do_page_fault+0x5c9/0xc90 [ 40.436182] ? kernel_read+0x120/0x120 [ 40.440077] ? mm_fault_error+0x2c0/0x2c0 [ 40.444220] ? avc_policy_seqno+0x9/0x20 [ 40.448270] ? selinux_file_permission+0x82/0x460 [ 40.453119] do_page_fault+0xee/0x720 [ 40.456915] ? __do_page_fault+0xc90/0xc90 [ 40.461138] ? __fdget_raw+0x20/0x20 [ 40.464851] ? vfs_write+0x224/0x510 [ 40.468607] ? fput+0xd2/0x140 [ 40.471822] ? SyS_write+0x184/0x220 [ 40.475532] ? retint_user+0x18/0x18 [ 40.479242] ? page_fault+0x36/0x60 [ 40.482860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.487697] ? page_fault+0x36/0x60 [ 40.491317] page_fault+0x4c/0x60 [ 40.494761] RIP: 0033:0x7ff468170317 [ 40.498470] RSP: 002b:00007ff4662e2de0 EFLAGS: 00010206 [ 40.503821] RAX: 00007ff467d34290 RBX: 00007ff46837e050 RCX: 000000000000000b [ 40.511080] RDX: 000000000000000a RSI: 00007ff4683859a0 RDI: 00000000004067e0 [ 40.518339] RBP: 0000000000000002 R08: 0000000001d4536a R09: 0000000000000039 [ 40.525601] R10: 0000000000000000 R11: 00007ff4662e2e30 R12: 0000000000000007 [ 40.532862] R13: 000000007514dab9 R14: 0000000000000000 R15: 00007ff4662e2fb8 [ 40.540258] Mem-Info: [ 40.548086] active_anon:4039 inactive_anon:62 isolated_anon:0 [ 40.548086] active_file:0 inactive_file:0 isolated_file:0 [ 40.548086] unevictable:0 dirty:0 writeback:0 unstable:0 [ 40.548086] slab_reclaimable:7313 slab_unreclaimable:82958 [ 40.548086] mapped:26 shmem:70 pagetables:301 bounce:0 [ 40.548086] free:24241 free_pcp:12 free_cma:0 [ 40.586546] Node 0 active_anon:16156kB inactive_anon:248kB active_file:100kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:104kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 40.620054] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 40.654353] lowmem_reserve[]: 0 2870 6381 6381 [ 40.670143] Node 0 DMA32 free:44168kB min:30328kB low:37908kB high:45488kB active_anon:32kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942292kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 40.701400] lowmem_reserve[]: 0 0 3510 3510 [ 40.712958] Node 0 Normal free:36888kB min:37088kB low:46360kB high:55632kB active_anon:16124kB inactive_anon:248kB active_file:160kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3072kB pagetables:1204kB bounce:0kB free_pcp:48kB local_pcp:0kB free_cma:0kB [ 40.741616] lowmem_reserve[]: 0 0 0 0 [ 40.745445] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 40.759111] Node 0 DMA32: 4*4kB (UM) 5*8kB (UM) 9*16kB (UM) 4*32kB (UM) 3*64kB (UM) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44168kB [ 40.774607] Node 0 Normal: 383*4kB (UM) 340*8kB (UM) 247*16kB (UME) 176*32kB (UM) 87*64kB (UM) 40*128kB (M) 24*256kB (UM) 7*512kB (UM) 1*1024kB (U) 1*2048kB (E) 0*4096kB = 37324kB [ 40.790798] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 40.799379] 97 total pagecache pages [ 40.803107] 0 pages in swap cache [ 40.806550] Swap cache stats: add 0, delete 0, find 0/0 [ 40.811909] Free swap = 0kB [ 40.814917] Total swap = 0kB [ 40.817923] 1965979 pages RAM [ 40.821027] 0 pages HighMem/MovableOnly [ 40.825463] 327773 pages reserved [ 40.828913] Unreclaimable slab info: [ 40.832614] Name Used Total [ 40.838142] hashtab_node 118KB 119KB [ 40.843496] ebitmap_node 382KB 385KB [ 40.848871] avtab_node 1012KB 1013KB [ 40.854271] TIPC 1KB 7KB [ 40.859691] SCTPv6 2KB 4KB [ 40.865093] DCCPv6 2KB 7KB [ 40.870493] DCCP 2KB 6KB [ 40.875906] fib6_nodes 0KB 4KB [ 40.881296] ip6_dst_cache 5KB 11KB [ 40.886665] RAWv6 9KB 13KB [ 40.892055] UDPv6 12KB 14KB [ 40.897430] TCPv6 2KB 5KB [ 40.902810] sd_ext_cdb 0KB 3KB [ 40.908176] scsi_sense_cache 98KB 124KB [ 40.913552] virtio_scsi_cmd 16KB 16KB [ 40.918932] sgpool-128 8KB 8KB [ 40.924300] sgpool-64 4KB 6KB [ 40.929678] sgpool-32 401KB 401KB [ 40.935068] sgpool-16 86KB 90KB [ 40.940456] sgpool-8 232KB 232KB [ 40.945838] cfq_io_cq 16KB 19KB [ 40.951215] cfq_queue 26KB 30KB [ 40.957090] mqueue_inode_cache 1KB 7KB [ 40.962578] nfs_commit_data 3KB 7KB [ 40.967954] nfs_write_data 34KB 37KB [ 40.973354] jbd2_inode 1KB 3KB [ 40.978733] ext4_system_zone 0KB 3KB [ 40.984128] bio-1 1KB 3KB [ 40.989523] rpc_buffers 17KB 19KB [ 40.994913] rpc_tasks 2KB 3KB [ 41.000306] UNIX 780KB 784KB [ 41.005712] tcp_bind_bucket 0KB 4KB [ 41.011116] ip_fib_trie 0KB 3KB [ 41.016517] ip_fib_alias 0KB 3KB [ 41.021913] ip_dst_cache 3KB 8KB [ 41.027290] RAW 5KB 7KB [ 41.032675] UDP 29KB 31KB [ 41.038062] TCP 7KB 7KB [ 41.043449] hugetlbfs_inode_cache 1KB 7KB [ 41.049191] eventpoll_pwq 11KB 15KB [ 41.054567] eventpoll_epi 20KB 27KB [ 41.059953] inotify_inode_mark 3KB 7KB [ 41.065434] request_queue 37KB 91KB [ 41.070825] blkdev_ioc 22KB 27KB [ 41.076200] bio-0 468KB 468KB [ 41.081592] biovec-(1<<(21-12)) 495KB 495KB [ 41.087147] biovec-64 165KB 165KB [ 41.093360] biovec-16 63KB 63KB [ 41.098769] bio_integrity_payload 0KB 4KB [ 41.104502] khugepaged_mm_slot 0KB 3KB [ 41.109989] uid_cache 0KB 3KB [ 41.115368] dmaengine-unmap-2 0KB 3KB [ 41.120750] audit_buffer 0KB 3KB [ 41.126124] skbuff_fclone_cache 137KB 142KB [ 41.131688] skbuff_head_cache 1738KB 1740KB [ 41.137067] configfs_dir_cache 0KB 4KB [ 41.142535] file_lock_cache 163KB 166KB [ 41.147928] file_lock_ctx 1KB 3KB [ 41.153317] fsnotify_mark_connector 2KB 3KB [ 41.159229] shmem_inode_cache 1045KB 1046KB [ 41.164642] task_delay_info 319KB 320KB [ 41.170045] sigqueue 364KB 366KB [ 41.175440] kernfs_node_cache 2288KB 2291KB [ 41.180816] mnt_cache 15KB 20KB [ 41.186195] filp 8340KB 8786KB [ 41.191589] names_cache 110432KB 110470KB [ 41.196984] avc_node 37KB 43KB [ 41.202374] selinux_file_security 425KB 496KB [ 41.208110] selinux_inode_security 1951KB 1956KB [ 41.213928] key_jar 3KB 7KB [ 41.219346] nsproxy 0KB 3KB [ 41.226350] vm_area_struct 18716KB 18724KB [ 41.231755] mm_struct 4526KB 4531KB [ 41.237151] fs_cache 425KB 432KB [ 41.242541] files_cache 1596KB 1597KB [ 41.247923] signal_cache 2547KB 2551KB [ 41.253295] sighand_cache 215KB 319KB [ 41.258671] task_struct 10871KB 10871KB [ 41.264057] cred_jar 2356KB 2360KB [ 41.269442] anon_vma_chain 7850KB 7855KB [ 41.274828] anon_vma 129KB 319KB [ 41.280210] pid 221KB 244KB [ 41.285610] Acpi-Operand 106KB 170KB [ 41.291006] Acpi-State 0KB 3KB [ 41.296416] Acpi-Namespace 19KB 23KB [ 41.301807] numa_policy 0KB 3KB [ 41.307193] debug_objects_cache 530KB 535KB [ 41.312752] trace_event_file 145KB 147KB [ 41.318144] ftrace_event_field 257KB 259KB [ 41.323618] pool_workqueue 24KB 24KB [ 41.329033] page->ptl 3097KB 3099KB [ 41.334439] kmalloc-262144 1032KB 1032KB [ 41.339824] kmalloc-131072 650KB 650KB [ 41.345211] kmalloc-65536 264KB 264KB [ 41.350629] kmalloc-32768 825KB 825KB [ 41.357777] kmalloc-16384 181KB 181KB [ 41.363190] kmalloc-8192 519KB 519KB [ 41.368587] kmalloc-4096 6621KB 6659KB [ 41.373974] kmalloc-2048 3204KB 3206KB [ 41.379359] kmalloc-1024 3701KB 3701KB [ 41.384742] kmalloc-512 2766KB 2771KB [ 41.390129] kmalloc-256 1949KB 2456KB [ 41.395517] kmalloc-128 406KB 523KB [ 41.400907] kmalloc-96 2128KB 2128KB [ 41.406292] kmalloc-64 2467KB 2468KB [ 41.412381] kmalloc-32 2396KB 2405KB [ 41.417799] kmalloc-192 912KB 912KB [ 41.423809] kmem_cache 100KB 105KB [ 41.429753] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 41.439083] [ 1826] 0 1826 5366 168 90112 0 -1000 udevd [ 41.447737] [ 3511] 0 3511 30604 158 118784 0 0 rsyslogd [ 41.456196] [ 3565] 0 3565 4725 51 77824 0 0 cron [ 41.464273] [ 3584] 0 3584 3736 44 65536 0 0 mcstransd [ 41.472792] [ 3612] 0 3612 12490 153 139264 0 -1000 sshd [ 41.480913] [ 3636] 0 3636 3694 40 73728 0 0 getty [ 41.489111] [ 3637] 0 3637 3694 40 69632 0 0 getty [ 41.497286] [ 3638] 0 3638 3694 39 77824 0 0 getty [ 41.505465] [ 3639] 0 3639 3694 41 73728 0 0 getty [ 41.513634] [ 3640] 0 3640 3694 42 77824 0 0 getty [ 41.521803] [ 3641] 0 3641 3694 42 69632 0 0 getty [ 41.529987] [ 3642] 0 3642 3649 39 77824 0 0 getty [ 41.538150] [ 3646] 0 3646 5681 454 86016 0 -1000 udevd [ 41.546322] [ 3647] 0 3647 5681 455 86016 0 -1000 udevd [ 41.554504] [ 3663] 0 3663 17821 196 188416 0 0 sshd [ 41.562580] [ 3665] 0 3665 280 1 32768 0 0 syzkaller633346 [ 41.571624] [ 3666] 0 3666 4375 0 32768 0 0 syzkaller633346 [ 41.580670] [ 3667] 0 3667 4375 0 32768 0 0 syzkaller633346 [ 41.589706] [ 3668] 0 3668 4375 0 32768 0 0 syzkaller633346 [ 41.598734] [ 3669] 0 3669 4375 0 32768 0 0 syzkaller633346 [ 41.607765] [ 3670] 0 3670 4375 523 36864 0 0 syzkaller633346 [ 41.616787] [ 3671] 0 3671 4375 523 36864 0 0 syzkaller633346 [ 41.625822] [ 3672] 0 3672 4375 523 36864 0 0 syzkaller633346 [ 41.634838] [ 3673] 0 3673 4375 523 36864 0 0 syzkaller633346 [ 41.643857] Out of memory: Kill process 3670 (syzkaller633346) score 0 or sacrifice child [ 41.652599] Killed process 3670 (syzkaller633346) total-vm:17500kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 41.665760] oom_reaper: reaped process 3670 (syzkaller633346), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 41.677583] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 41.690121] rsyslogd cpuset=/ mems_allowed=0 [ 41.694600] CPU: 0 PID: 3514 Comm: rsyslogd Not tainted 4.15.0-rc8-next-20180116+ #98 [ 41.702551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.711896] Call Trace: [ 41.714479] dump_stack+0x194/0x257 [ 41.718102] ? arch_local_irq_restore+0x53/0x53 [ 41.722768] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 41.727948] dump_header+0x28c/0xe2b [ 41.731659] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 41.736835] ? pagefault_out_of_memory+0x145/0x145 [ 41.741757] ? print_irqtrace_events+0x270/0x270 [ 41.746520] ? avc_has_perm_noaudit+0x37e/0x520 [ 41.751189] ? check_noncircular+0x20/0x20 [ 41.755419] ? check_noncircular+0x20/0x20 [ 41.759657] ? print_irqtrace_events+0x270/0x270 [ 41.764416] ? reacquire_held_locks+0x1f9/0x3e0 [ 41.769087] ? reacquire_held_locks+0x1f9/0x3e0 [ 41.773751] ? check_noncircular+0x20/0x20 [ 41.777977] ? task_will_free_mem+0x252/0xaa0 [ 41.782470] ? check_noncircular+0x20/0x20 [ 41.786700] ? print_irqtrace_events+0x270/0x270 [ 41.791455] ? ___ratelimit+0x30d/0x630 [ 41.795431] ? lock_downgrade+0x980/0x980 [ 41.799566] ? lock_release+0xa40/0xa40 [ 41.803534] ? mark_held_locks+0xaf/0x100 [ 41.807674] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 41.812772] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.817783] ? trace_hardirqs_on+0xd/0x10 [ 41.821928] ? ___ratelimit+0x95/0x630 [ 41.825812] ? idr_get_free_cmn+0xfd0/0xfd0 [ 41.830126] ? check_noncircular+0x20/0x20 [ 41.834365] oom_kill_process+0x81b/0x9f0 [ 41.838504] ? oom_badness+0xd1/0x980 [ 41.842289] ? lock_release+0xa40/0xa40 [ 41.846257] ? oom_kill_memcg_member+0x20/0x20 [ 41.850839] ? oom_evaluate_task+0x480/0x480 [ 41.855249] ? out_of_memory+0xe1c/0x1790 [ 41.859375] ? lock_downgrade+0x980/0x980 [ 41.863503] ? lock_release+0xa40/0xa40 [ 41.867451] ? find_next_bit+0xcc/0x100 [ 41.871410] ? oom_evaluate_task+0x284/0x480 [ 41.875811] out_of_memory+0x9d5/0x1790 [ 41.879788] ? oom_killer_disable+0x310/0x310 [ 41.884280] ? mutex_trylock+0x23a/0x2d0 [ 41.888318] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 41.893233] ? __lock_is_held+0xb6/0x140 [ 41.897284] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 41.902749] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 41.907608] ? trace_hardirqs_on+0xd/0x10 [ 41.911783] ? warn_alloc+0x2b0/0x2b0 [ 41.915572] ? lock_downgrade+0x980/0x980 [ 41.919722] ? radix_tree_lookup_slot+0x99/0xe0 [ 41.924389] ? find_get_entry+0x53c/0x9e0 [ 41.928571] ? __lock_acquire+0x664/0x3e00 [ 41.932822] ? __lock_is_held+0xb6/0x140 [ 41.936907] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 41.942802] ? __might_sleep+0x95/0x190 [ 41.946780] __alloc_pages_nodemask+0x9fb/0xd80 [ 41.951454] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 41.956462] ? add_to_page_cache_lru+0x510/0x510 [ 41.961225] ? check_noncircular+0x20/0x20 [ 41.965452] ? check_noncircular+0x20/0x20 [ 41.969686] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 41.974476] alloc_pages_current+0xb6/0x1e0 [ 41.978801] __page_cache_alloc+0x334/0x500 [ 41.983114] ? rcu_read_lock_held+0xa9/0xc0 [ 41.987433] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 41.994805] filemap_fault+0xf34/0x1ca0 [ 41.998770] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.003966] ? __lock_page_or_retry+0x4f0/0x4f0 [ 42.008642] ? filemap_map_pages+0x942/0x15d0 [ 42.013152] ? find_get_entries_tag+0xeb0/0xeb0 [ 42.017815] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.022999] ? lock_release+0xa40/0xa40 [ 42.026967] ? check_noncircular+0x20/0x20 [ 42.031191] ? mem_cgroup_charge_statistics+0x910/0x910 [ 42.036540] ? __lock_is_held+0xb6/0x140 [ 42.040599] ? print_irqtrace_events+0x270/0x270 [ 42.045343] ? print_irqtrace_events+0x270/0x270 [ 42.050086] ? print_irqtrace_events+0x270/0x270 [ 42.054833] ? __pagevec_lru_add+0x30/0x30 [ 42.059087] ? lock_acquire+0x1d5/0x580 [ 42.063045] ? lock_acquire+0x1d5/0x580 [ 42.067006] ? ext4_filemap_fault+0x7a/0xad [ 42.071317] ? __lock_acquire+0x664/0x3e00 [ 42.075538] ? lock_release+0xa40/0xa40 [ 42.079488] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 42.085361] ? rcu_note_context_switch+0x710/0x710 [ 42.090288] ? __might_sleep+0x95/0x190 [ 42.094258] ? down_read+0x96/0x150 [ 42.097872] ? ext4_filemap_fault+0x7a/0xad [ 42.102186] ? __down_interruptible+0x6b0/0x6b0 [ 42.106859] ext4_filemap_fault+0x82/0xad [ 42.111001] __do_fault+0xeb/0x315 [ 42.114538] ? pte_offset_kernel+0xc7/0xc7 [ 42.118758] ? check_noncircular+0x20/0x20 [ 42.122983] ? do_raw_spin_trylock+0x190/0x190 [ 42.127554] ? check_noncircular+0x20/0x20 [ 42.131770] __handle_mm_fault+0x1d8f/0x3ce0 [ 42.136171] ? __pmd_alloc+0x4e0/0x4e0 [ 42.140062] ? find_held_lock+0x35/0x1d0 [ 42.144128] ? handle_mm_fault+0x2a0/0x930 [ 42.148352] ? lock_downgrade+0x980/0x980 [ 42.152532] handle_mm_fault+0x38f/0x930 [ 42.156584] ? down_read_trylock+0xdb/0x170 [ 42.160897] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 42.165466] ? vmacache_find+0x5f/0x280 [ 42.169429] ? vmacache_update+0xfe/0x130 [ 42.173578] ? find_vma+0x30/0x150 [ 42.177119] __do_page_fault+0x5c9/0xc90 [ 42.181168] ? vma_set_page_prot+0x16b/0x230 [ 42.185583] ? mm_fault_error+0x2c0/0x2c0 [ 42.189728] ? up_write+0x6b/0x120 [ 42.193266] do_page_fault+0xee/0x720 [ 42.197063] ? __do_page_fault+0xc90/0xc90 [ 42.201295] ? do_mprotect_pkey+0x21e/0x900 [ 42.205622] ? retint_user+0x18/0x18 [ 42.209332] ? page_fault+0x36/0x60 [ 42.212956] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.217793] ? page_fault+0x36/0x60 [ 42.221419] page_fault+0x4c/0x60 [ 42.224856] RIP: 0033:0x41a69e [ 42.228033] RSP: 002b:00007ff4652e1d70 EFLAGS: 00010202 [ 42.233395] RAX: 00007ff46003fe00 RBX: 00007ff4652e1d88 RCX: 00007ff460000000 [ 42.241697] RDX: 00007ff460000020 RSI: 00007ff460040010 RDI: 00007ff460040000 [ 42.248959] RBP: 0000000000000004 R08: 00007ff460000288 R09: 00007ff4676d6100 [ 42.256218] R10: 3a7063705f6c6163 R11: 0000000000000206 R12: 0000000000000000 [ 42.263476] R13: 00007ff466b175a3 R14: 0000000000000bb2 R15: 00007ff466b169e8 [ 42.271219] Mem-Info: [ 42.274798] active_anon:3522 inactive_anon:62 isolated_anon:0 [ 42.274798] active_file:12 inactive_file:15 isolated_file:0 [ 42.274798] unevictable:0 dirty:0 writeback:0 unstable:0 [ 42.274798] slab_reclaimable:7314 slab_unreclaimable:82933 [ 42.274798] mapped:2 shmem:70 pagetables:300 bounce:0 [ 42.274798] free:24263 free_pcp:9 free_cma:0 [ 42.307682] Node 0 active_anon:14088kB inactive_anon:248kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 42.335470] 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 [ 42.362250] lowmem_reserve[]: 0 2870 6381 6381 [ 42.367790] Node 0 DMA32 free:44168kB min:30328kB low:37908kB high:45488kB active_anon:32kB inactive_anon:0kB active_file:0kB inactive_file:12kB unevictable:0kB writepending:0kB present:3129332kB managed:2942292kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 42.396284] lowmem_reserve[]: 0 0 3510 3510 [ 42.401589] Node 0 Normal free:36976kB min:37088kB low:46360kB high:55632kB active_anon:14056kB inactive_anon:248kB active_file:12kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3072kB pagetables:1200kB bounce:0kB free_pcp:36kB local_pcp:0kB free_cma:0kB [ 42.430729] lowmem_reserve[]: 0 0 0 0 [ 42.435514] 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 [ 42.450071] Node 0 DMA32: 4*4kB (UM) 5*8kB (UM) 9*16kB (UM) 4*32kB (UM) 3*64kB (UM) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44168kB [ 42.466392] Node 0 Normal: 386*4kB (UME) 339*8kB (UME) 245*16kB (UME) 178*32kB (UM) 87*64kB (UM) 41*128kB (UM) 24*256kB (UM) 6*512kB (M) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 36976kB [ 42.483809] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.493378] 97 total pagecache pages [ 42.498094] 0 pages in swap cache [ 42.502126] Swap cache stats: add 0, delete 0, find 0/0 [ 42.508383] Free swap = 0kB [ 42.512383] Total swap = 0kB [ 42.516336] 1965979 pages RAM [ 42.520360] 0 pages HighMem/MovableOnly [ 42.524922] 327773 pages reserved [ 42.529345] Unreclaimable slab info: [ 42.533780] Name Used Total [ 42.540114] hashtab_node 118KB 119KB [ 42.546080] ebitmap_node 382KB 385KB [ 42.553224] avtab_node 1012KB 1013KB [ 42.559508] TIPC 1KB 7KB [ 42.566520] SCTPv6 2KB 4KB [ 42.571926] DCCPv6 2KB 7KB [ 42.577314] DCCP 2KB 6KB [ 42.582709] fib6_nodes 0KB 4KB [ 42.588093] ip6_dst_cache 11KB 11KB [ 42.593481] RAWv6 9KB 13KB [ 42.598873] UDPv6 12KB 14KB [ 42.604259] TCPv6 2KB 5KB [ 42.609658] sd_ext_cdb 0KB 3KB [ 42.615057] scsi_sense_cache 98KB 124KB [ 42.620588] virtio_scsi_cmd 16KB 16KB [ 42.626835] sgpool-128 8KB 8KB [ 42.633109] sgpool-64 4KB 6KB [ 42.638507] sgpool-32 401KB 401KB [ 42.643919] sgpool-16 85KB 90KB [ 42.649295] sgpool-8 232KB 232KB [ 42.654678] cfq_io_cq 16KB 19KB [ 42.660127] cfq_queue 26KB 30KB [ 42.665525] mqueue_inode_cache 1KB 7KB [ 42.670999] nfs_commit_data 3KB 7KB [ 42.676434] nfs_write_data 34KB 37KB [ 42.681873] jbd2_inode 1KB 3KB [ 42.687991] ext4_system_zone 0KB 3KB [ 42.694266] bio-1 1KB 3KB [ 42.700695] rpc_buffers 17KB 19KB [ 42.706123] rpc_tasks 2KB 3KB [ 42.711509] UNIX 780KB 784KB [ 42.716932] tcp_bind_bucket 0KB 4KB [ 42.722375] ip_fib_trie 0KB 3KB [ 42.727763] ip_fib_alias 0KB 3KB [ 42.733135] ip_dst_cache 3KB 8KB [ 42.738510] RAW 5KB 7KB [ 42.743900] UDP 29KB 31KB [ 42.749319] TCP 7KB 7KB [ 42.754707] hugetlbfs_inode_cache 1KB 7KB [ 42.760444] eventpoll_pwq 11KB 15KB [ 42.765826] eventpoll_epi 20KB 27KB [ 42.771200] inotify_inode_mark 3KB 7KB [ 42.776665] request_queue 34KB 68KB [ 42.782060] blkdev_ioc 22KB 27KB [ 42.787444] bio-0 468KB 468KB [ 42.792825] biovec-(1<<(21-12)) 495KB 495KB [ 42.798388] biovec-64 165KB 165KB [ 42.803795] biovec-16 63KB 63KB [ 42.809168] bio_integrity_payload 0KB 4KB [ 42.814921] khugepaged_mm_slot 0KB 3KB [ 42.820400] uid_cache 0KB 3KB [ 42.825781] dmaengine-unmap-2 0KB 3KB [ 42.831148] audit_buffer 0KB 3KB [ 42.837313] skbuff_fclone_cache 137KB 142KB [ 42.842879] skbuff_head_cache 1739KB 1740KB [ 42.848272] configfs_dir_cache 0KB 4KB [ 42.853744] file_lock_cache 163KB 166KB [ 42.859128] file_lock_ctx 1KB 3KB [ 42.864511] fsnotify_mark_connector 2KB 3KB [ 42.870417] shmem_inode_cache 1045KB 1046KB [ 42.875805] task_delay_info 319KB 320KB [ 42.881219] sigqueue 364KB 366KB [ 42.887472] kernfs_node_cache 2288KB 2291KB [ 42.892880] mnt_cache 15KB 20KB [ 42.898269] filp 8309KB 8763KB [ 42.903656] names_cache 110423KB 110461KB [ 42.909048] avc_node 37KB 43KB [ 42.914431] selinux_file_security 420KB 496KB [ 42.920161] selinux_inode_security 1951KB 1956KB [ 42.925979] key_jar 3KB 7KB [ 42.931367] nsproxy 0KB 3KB [ 42.936752] vm_area_struct 18716KB 18724KB [ 42.942122] mm_struct 4526KB 4531KB [ 42.947530] fs_cache 425KB 432KB [ 42.952913] files_cache 1596KB 1597KB [ 42.958296] signal_cache 2547KB 2551KB [ 42.963678] sighand_cache 215KB 319KB [ 42.969907] task_struct 10871KB 10871KB [ 42.975295] cred_jar 2356KB 2360KB [ 42.980677] anon_vma_chain 7850KB 7855KB [ 42.986074] anon_vma 124KB 319KB [ 42.991458] pid 221KB 244KB [ 42.996848] Acpi-Operand 106KB 170KB [ 43.002223] Acpi-Namespace 19KB 23KB [ 43.007607] numa_policy 0KB 3KB [ 43.013008] debug_objects_cache 530KB 535KB [ 43.018608] trace_event_file 145KB 147KB [ 43.023989] ftrace_event_field 257KB 259KB [ 43.029444] pool_workqueue 24KB 24KB [ 43.034826] page->ptl 3096KB 3099KB [ 43.040216] kmalloc-262144 1032KB 1032KB [ 43.045588] kmalloc-131072 650KB 650KB [ 43.050956] kmalloc-65536 264KB 264KB [ 43.056331] kmalloc-32768 825KB 825KB [ 43.061716] kmalloc-16384 181KB 181KB [ 43.067082] kmalloc-8192 519KB 519KB [ 43.072456] kmalloc-4096 6608KB 6642KB [ 43.077854] kmalloc-2048 3204KB 3206KB [ 43.083237] kmalloc-1024 3701KB 3701KB [ 43.088649] kmalloc-512 2770KB 2771KB [ 43.094039] kmalloc-256 1931KB 2448KB [ 43.100235] kmalloc-128 405KB 523KB [ 43.105626] kmalloc-96 2128KB 2128KB [ 43.111047] kmalloc-64 2467KB 2468KB [ 43.116437] kmalloc-32 2394KB 2405KB [ 43.121828] kmalloc-192 911KB 912KB [ 43.127213] kmem_cache 100KB 105KB [ 43.132594] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 43.141242] [ 1826] 0 1826 5366 168 90112 0 -1000 udevd [ 43.149418] [ 3511] 0 3511 30604 158 118784 0 0 rsyslogd [ 43.157861] [ 3565] 0 3565 4725 51 77824 0 0 cron [ 43.165949] [ 3584] 0 3584 3736 44 65536 0 0 mcstransd [ 43.174467] [ 3612] 0 3612 12490 153 139264 0 -1000 sshd [ 43.182554] [ 3636] 0 3636 3694 40 73728 0 0 getty [ 43.190728] [ 3637] 0 3637 3694 40 69632 0 0 getty [ 43.198903] [ 3638] 0 3638 3694 39 77824 0 0 getty [ 43.207082] [ 3639] 0 3639 3694 41 73728 0 0 getty [ 43.215262] [ 3640] 0 3640 3694 42 77824 0 0 getty [ 43.223439] [ 3641] 0 3641 3694 42 69632 0 0 getty [ 43.231613] [ 3642] 0 3642 3649 39 77824 0 0 getty [ 43.239787] [ 3646] 0 3646 5681 454 86016 0 -1000 udevd [ 43.247953] [ 3647] 0 3647 5681 455 86016 0 -1000 udevd [ 43.256125] [ 3663] 0 3663 17821 196 188416 0 0 sshd [ 43.264199] [ 3665] 0 3665 280 1 32768 0 0 syzkaller633346 [ 43.273238] [ 3666] 0 3666 4375 0 32768 0 0 syzkaller633346 [ 43.282279] [ 3667] 0 3667 4375 0 32768 0 0 syzkaller633346 [ 43.291320] [ 3668] 0 3668 4375 0 32768 0 0 syzkaller633346 [ 43.300360] [ 3669] 0 3669 4375 0 32768 0 0 syzkaller633346 [ 43.309406] [ 3670] 0 3670 4375 0 32768 0 0 syzkaller633346 [ 43.318452] [ 3671] 0 3671 4375 523 36864 0 0 syzkaller633346 [ 43.327495] [ 3672] 0 3672 4375 523 36864 0 0 syzkaller633346 [ 43.336576] [ 3673] 0 3673 4375 523 36864 0 0 syzkaller633346 [ 43.345602] Out of memory: Kill process 3671 (syzkaller633346) score 0 or sacrifice child [ 43.354716] Killed process 3671 (syzkaller633346) total-vm:17500kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 43.367625] oom_reaper: reaped process 3671 (syzkaller633346), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.488898] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 43.501800] udevd cpuset=/ mems_allowed=0 [ 43.506058] CPU: 0 PID: 1826 Comm: udevd Not tainted 4.15.0-rc8-next-20180116+ #98 [ 43.513751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.523098] Call Trace: [ 43.525686] dump_stack+0x194/0x257 [ 43.529329] ? arch_local_irq_restore+0x53/0x53 [ 43.533992] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.539187] dump_header+0x28c/0xe2b [ 43.542906] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.548099] ? pagefault_out_of_memory+0x145/0x145 [ 43.553028] ? print_irqtrace_events+0x270/0x270 [ 43.557792] ? avc_has_perm_noaudit+0x37e/0x520 [ 43.562461] ? check_noncircular+0x20/0x20 [ 43.566679] ? check_noncircular+0x20/0x20 [ 43.570890] ? print_irqtrace_events+0x270/0x270 [ 43.576128] ? reacquire_held_locks+0x1f9/0x3e0 [ 43.580778] ? reacquire_held_locks+0x1f9/0x3e0 [ 43.585419] ? check_noncircular+0x20/0x20 [ 43.589627] ? task_will_free_mem+0x252/0xaa0 [ 43.594089] ? check_noncircular+0x20/0x20 [ 43.598306] ? print_irqtrace_events+0x270/0x270 [ 43.603045] ? ___ratelimit+0x30d/0x630 [ 43.606990] ? lock_downgrade+0x980/0x980 [ 43.611114] ? lock_release+0xa40/0xa40 [ 43.615070] ? mark_held_locks+0xaf/0x100 [ 43.619189] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 43.624276] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.629276] ? trace_hardirqs_on+0xd/0x10 [ 43.633400] ? ___ratelimit+0x95/0x630 [ 43.637260] ? idr_get_free_cmn+0xfd0/0xfd0 [ 43.641556] ? check_noncircular+0x20/0x20 [ 43.645769] oom_kill_process+0x81b/0x9f0 [ 43.649889] ? oom_badness+0xd1/0x980 [ 43.653660] ? lock_release+0xa40/0xa40 [ 43.657610] ? oom_kill_memcg_member+0x20/0x20 [ 43.662255] ? oom_evaluate_task+0x480/0x480 [ 43.666665] ? out_of_memory+0xe1c/0x1790 [ 43.670816] ? lock_downgrade+0x980/0x980 [ 43.674961] ? lock_release+0xa40/0xa40 [ 43.678924] ? find_next_bit+0xcc/0x100 [ 43.682909] ? oom_evaluate_task+0x284/0x480 [ 43.687320] out_of_memory+0x9d5/0x1790 [ 43.691288] ? pick_next_entity+0x197/0x400 [ 43.695613] ? oom_killer_disable+0x310/0x310 [ 43.700117] ? mutex_trylock+0x23a/0x2d0 [ 43.704170] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 43.709089] ? __lock_is_held+0xb6/0x140 [ 43.713166] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.718628] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 43.723478] ? trace_hardirqs_on+0xd/0x10 [ 43.727652] ? warn_alloc+0x2b0/0x2b0 [ 43.731444] ? lock_downgrade+0x980/0x980 [ 43.735600] ? __lock_is_held+0xb6/0x140 [ 43.739677] ? find_get_entry+0x53c/0x9e0 [ 43.743857] ? __lock_acquire+0x664/0x3e00 [ 43.748087] ? __lock_is_held+0xb6/0x140 [ 43.752147] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.758020] ? __might_sleep+0x95/0x190 [ 43.761983] __alloc_pages_nodemask+0x9fb/0xd80 [ 43.766631] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 43.771617] ? add_to_page_cache_lru+0x510/0x510 [ 43.776436] ? check_noncircular+0x20/0x20 [ 43.780642] ? check_noncircular+0x20/0x20 [ 43.784853] ? lock_acquire+0x1d5/0x580 [ 43.788823] alloc_pages_current+0xb6/0x1e0 [ 43.793119] __page_cache_alloc+0x334/0x500 [ 43.797414] ? rcu_read_lock_held+0xa9/0xc0 [ 43.801707] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 43.809050] filemap_fault+0xf34/0x1ca0 [ 43.813002] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.818181] ? __lock_page_or_retry+0x4f0/0x4f0 [ 43.822828] ? filemap_map_pages+0x942/0x15d0 [ 43.827301] ? free_obj_work+0x690/0x690 [ 43.831357] ? find_get_entries_tag+0xeb0/0xeb0 [ 43.836005] ? check_noncircular+0x20/0x20 [ 43.840216] ? print_irqtrace_events+0x270/0x270 [ 43.844944] ? print_irqtrace_events+0x270/0x270 [ 43.849688] ? do_raw_spin_trylock+0x190/0x190 [ 43.854288] ? lock_acquire+0x1d5/0x580 [ 43.858261] ? lock_acquire+0x1d5/0x580 [ 43.862228] ? ext4_filemap_fault+0x7a/0xad [ 43.866563] ? lock_release+0xa40/0xa40 [ 43.870531] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.876415] ? rcu_note_context_switch+0x710/0x710 [ 43.881350] ? __might_sleep+0x95/0x190 [ 43.885325] ? down_read+0x96/0x150 [ 43.888942] ? ext4_filemap_fault+0x7a/0xad [ 43.893277] ? __down_interruptible+0x6b0/0x6b0 [ 43.897961] ext4_filemap_fault+0x82/0xad [ 43.902111] __do_fault+0xeb/0x315 [ 43.905654] ? pte_offset_kernel+0xc7/0xc7 [ 43.909891] ? do_raw_spin_trylock+0x190/0x190 [ 43.914476] ? check_noncircular+0x20/0x20 [ 43.918719] __handle_mm_fault+0x1d8f/0x3ce0 [ 43.923125] ? __pmd_alloc+0x4e0/0x4e0 [ 43.927015] ? find_held_lock+0x35/0x1d0 [ 43.931086] ? handle_mm_fault+0x2a0/0x930 [ 43.935321] ? lock_downgrade+0x980/0x980 [ 43.939512] handle_mm_fault+0x38f/0x930 [ 43.943574] ? down_read_trylock+0xdb/0x170 [ 43.947896] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 43.952472] ? vmacache_find+0x5f/0x280 [ 43.956450] ? find_vma+0x30/0x150 [ 43.959994] __do_page_fault+0x5c9/0xc90 [ 43.964049] ? task_work_run+0x1f4/0x270 [ 43.968117] ? mm_fault_error+0x2c0/0x2c0 [ 43.972259] ? __fdget+0x18/0x20 [ 43.975643] do_page_fault+0xee/0x720 [ 43.979435] ? __do_page_fault+0xc90/0xc90 [ 43.983683] ? retint_user+0x18/0x18 [ 43.987387] ? page_fault+0x36/0x60 [ 43.991000] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.995834] ? page_fault+0x36/0x60 [ 43.999447] page_fault+0x4c/0x60 [ 44.002893] RIP: 0033:0x7f5439f19293 [ 44.006592] RSP: 002b:00007ffeb8c821f8 EFLAGS: 00010287 [ 44.011941] RAX: 2f4065676e616863 RBX: 00007ffeb8c822a0 RCX: 007665647562696c [ 44.019194] RDX: 0000000000000008 RSI: 00000000004203c8 RDI: 00007ffeb8c822c8 [ 44.026451] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 [ 44.033716] R10: 0000000000000008 R11: 00007f5439f38e90 R12: 00007ffeb8c822c0 [ 44.040976] R13: 00000000000000a2 R14: 0000000000800a10 R15: 00000000007f6030 [ 44.048302] Mem-Info: [ 44.050842] active_anon:3005 inactive_anon:62 isolated_anon:0 [ 44.050842] active_file:13 inactive_file:14 isolated_file:0 [ 44.050842] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.050842] slab_reclaimable:7316 slab_unreclaimable:82935 [ 44.050842] mapped:2 shmem:70 pagetables:299 bounce:0 [ 44.050842] free:23673 free_pcp:1 free_cma:0 [ 44.082819] Node 0 active_anon:12020kB inactive_anon:248kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 44.109653] 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 [ 44.135808] lowmem_reserve[]: 0 2870 6381 6381 [ 44.140448] Node 0 DMA32 free:44168kB min:30328kB low:37908kB high:45488kB active_anon:32kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942292kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.167731] lowmem_reserve[]: 0 0 3510 3510 [ 44.172097] Node 0 Normal free:34616kB min:37088kB low:46360kB high:55632kB active_anon:11988kB inactive_anon:248kB active_file:80kB inactive_file:20kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3072kB pagetables:1196kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 44.200622] lowmem_reserve[]: 0 0 0 0 [ 44.204469] 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 [ 44.218123] Node 0 DMA32: 4*4kB (UM) 5*8kB (UM) 9*16kB (UM) 4*32kB (UM) 3*64kB (UM) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44168kB [ 44.233708] Node 0 Normal: 388*4kB (UME) 331*8kB (UM) 245*16kB (UME) 180*32kB (UME) 88*64kB (UME) 40*128kB (M) 23*256kB (M) 6*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 34616kB [ 44.249722] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.258325] 97 total pagecache pages [ 44.262064] 0 pages in swap cache [ 44.265569] Swap cache stats: add 0, delete 0, find 0/0 [ 44.271820] Free swap = 0kB [ 44.275735] Total swap = 0kB [ 44.279572] 1965979 pages RAM [ 44.282698] 0 pages HighMem/MovableOnly [ 44.286684] 327773 pages reserved [ 44.290152] Unreclaimable slab info: [ 44.293877] Name Used Total [ 44.299419] hashtab_node 118KB 119KB [ 44.304804] ebitmap_node 382KB 385KB [ 44.310190] avtab_node 1012KB 1013KB [ 44.315584] TIPC 1KB 7KB [ 44.320976] SCTPv6 2KB 4KB [ 44.326380] DCCPv6 2KB 7KB [ 44.331781] DCCP 2KB 6KB [ 44.337165] fib6_nodes 0KB 4KB [ 44.342560] ip6_dst_cache 7KB 11KB [ 44.347956] RAWv6 9KB 13KB [ 44.353348] UDPv6 12KB 14KB [ 44.358735] TCPv6 2KB 5KB [ 44.364141] sd_ext_cdb 0KB 3KB [ 44.369526] scsi_sense_cache 95KB 124KB [ 44.374911] virtio_scsi_cmd 16KB 16KB [ 44.380304] sgpool-128 8KB 8KB [ 44.385696] sgpool-64 4KB 6KB [ 44.391095] sgpool-32 403KB 409KB [ 44.396479] sgpool-16 90KB 90KB [ 44.401859] sgpool-8 230KB 232KB [ 44.407238] cfq_io_cq 15KB 19KB [ 44.412616] cfq_queue 26KB 30KB [ 44.418007] mqueue_inode_cache 1KB 7KB [ 44.423503] nfs_commit_data 3KB 7KB [ 44.428888] nfs_write_data 34KB 37KB [ 44.434275] jbd2_inode 1KB 3KB [ 44.439661] ext4_system_zone 0KB 3KB [ 44.445052] bio-1 1KB 3KB [ 44.450448] rpc_buffers 17KB 19KB [ 44.455833] rpc_tasks 2KB 3KB [ 44.461222] UNIX 780KB 784KB [ 44.466611] tcp_bind_bucket 0KB 4KB [ 44.471998] ip_fib_trie 0KB 3KB [ 44.477410] ip_fib_alias 0KB 3KB [ 44.482794] ip_dst_cache 3KB 8KB [ 44.488181] RAW 5KB 7KB [ 44.493570] UDP 29KB 31KB [ 44.498954] TCP 7KB 7KB [ 44.504337] hugetlbfs_inode_cache 1KB 7KB [ 44.510066] eventpoll_pwq 11KB 15KB [ 44.515456] eventpoll_epi 20KB 27KB [ 44.520834] inotify_inode_mark 3KB 7KB [ 44.526325] request_queue 34KB 68KB [ 44.531713] blkdev_ioc 22KB 27KB [ 44.537114] bio-0 472KB 472KB [ 44.542509] biovec-(1<<(21-12)) 495KB 495KB [ 44.548070] biovec-64 167KB 173KB [ 44.553453] biovec-16 61KB 63KB [ 44.558926] bio_integrity_payload 0KB 4KB [ 44.564659] khugepaged_mm_slot 0KB 3KB [ 44.570134] uid_cache 0KB 3KB [ 44.575517] dmaengine-unmap-2 0KB 3KB [ 44.580887] audit_buffer 0KB 3KB [ 44.586264] skbuff_fclone_cache 137KB 142KB [ 44.591849] skbuff_head_cache 1739KB 1740KB [ 44.597249] configfs_dir_cache 0KB 4KB [ 44.602723] file_lock_cache 163KB 166KB [ 44.608106] file_lock_ctx 1KB 3KB [ 44.613490] fsnotify_mark_connector 2KB 3KB [ 44.619396] shmem_inode_cache 1045KB 1046KB [ 44.624785] task_delay_info 319KB 320KB [ 44.630156] sigqueue 364KB 366KB [ 44.635532] kernfs_node_cache 2288KB 2291KB [ 44.640918] mnt_cache 15KB 20KB [ 44.646290] filp 8308KB 8760KB [ 44.651664] names_cache 110415KB 110453KB [ 44.657083] avc_node 37KB 43KB [ 44.662468] selinux_file_security 420KB 496KB [ 44.668200] selinux_inode_security 1951KB 1956KB [ 44.674036] key_jar 3KB 7KB [ 44.679421] nsproxy 0KB 3KB [ 44.684802] vm_area_struct 18716KB 18724KB [ 44.690188] mm_struct 4526KB 4531KB [ 44.695576] fs_cache 425KB 432KB [ 44.700965] files_cache 1596KB 1597KB [ 44.706351] signal_cache 2547KB 2551KB [ 44.711739] sighand_cache 215KB 319KB [ 44.717123] task_struct 10871KB 10871KB [ 44.722539] cred_jar 2356KB 2360KB [ 44.727922] anon_vma_chain 7850KB 7855KB [ 44.733292] anon_vma 124KB 319KB [ 44.738669] pid 221KB 244KB [ 44.744055] Acpi-Operand 106KB 170KB [ 44.749448] Acpi-Namespace 19KB 23KB [ 44.754834] numa_policy 0KB 3KB [ 44.760233] debug_objects_cache 530KB 535KB [ 44.765796] trace_event_file 145KB 147KB [ 44.771239] ftrace_event_field 257KB 259KB [ 44.776717] pool_workqueue 24KB 24KB [ 44.782103] page->ptl 3096KB 3099KB [ 44.787538] kmalloc-262144 1032KB 1032KB [ 44.793751] kmalloc-131072 650KB 650KB [ 44.799987] kmalloc-65536 264KB 264KB [ 44.805395] kmalloc-32768 825KB 825KB [ 44.810784] kmalloc-16384 181KB 181KB [ 44.816175] kmalloc-8192 519KB 519KB [ 44.821561] kmalloc-4096 6608KB 6642KB [ 44.826943] kmalloc-2048 3204KB 3206KB [ 44.832326] kmalloc-1024 3703KB 3709KB [ 44.837705] kmalloc-512 2768KB 2771KB [ 44.843092] kmalloc-256 1930KB 2448KB [ 44.848477] kmalloc-128 405KB 523KB [ 44.853876] kmalloc-96 2128KB 2128KB [ 44.859262] kmalloc-64 2467KB 2468KB [ 44.864644] kmalloc-32 2394KB 2405KB [ 44.870040] kmalloc-192 911KB 912KB [ 44.875421] kmem_cache 100KB 105KB [ 44.880801] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 44.889406] [ 1826] 0 1826 5366 168 90112 0 -1000 udevd [ 44.897576] [ 3511] 0 3511 30604 158 118784 0 0 rsyslogd [ 44.906014] [ 3565] 0 3565 4725 51 77824 0 0 cron [ 44.914125] [ 3584] 0 3584 3736 44 65536 0 0 mcstransd [ 44.922680] [ 3612] 0 3612 12490 153 139264 0 -1000 sshd [ 44.930774] [ 3636] 0 3636 3694 40 73728 0 0 getty [ 44.938933] [ 3637] 0 3637 3694 40 69632 0 0 getty [ 44.947106] [ 3638] 0 3638 3694 39 77824 0 0 getty [ 44.955284] [ 3639] 0 3639 3694 41 73728 0 0 getty [ 44.963465] [ 3640] 0 3640 3694 42 77824 0 0 getty [ 44.971642] [ 3641] 0 3641 3694 42 69632 0 0 getty [ 44.979820] [ 3642] 0 3642 3649 39 77824 0 0 getty [ 44.988066] [ 3646] 0 3646 5681 454 86016 0 -1000 udevd [ 44.996238] [ 3647] 0 3647 5681 455 86016 0 -1000 udevd [ 45.004412] [ 3663] 0 3663 17821 196 188416 0 0 sshd [ 45.012501] [ 3665] 0 3665 280 1 32768 0 0 syzkaller633346 [ 45.021540] [ 3666] 0 3666 4375 0 32768 0 0 syzkaller633346 [ 45.030580] [ 3667] 0 3667 4375 0 32768 0 0 syzkaller633346 [ 45.039622] [ 3668] 0 3668 4375 0 32768 0 0 syzkaller633346 [ 45.048666] [ 3669] 0 3669 4375 0 32768 0 0 syzkaller633346 [ 45.057709] [ 3670] 0 3670 4375 0 32768 0 0 syzkaller633346 [ 45.066750] [ 3671] 0 3671 4375 0 32768 0 0 syzkaller633346 [ 45.075790] [ 3672] 0 3672 4375 523 36864 0 0 syzkaller633346 [ 45.084839] [ 3673] 0 3673 4375 523 36864 0 0 syzkaller633346 [ 45.093882] Out of memory: Kill process 3672 (syzkaller633346) score 0 or sacrifice child [ 45.102276] Killed process 3672 (syzkaller633346) total-vm:17500kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 45.114621] oom_reaper: reaped process 3672 (syzkaller633346), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 45.126801] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 45.138291] udevd cpuset=/ mems_allowed=0 [ 45.142477] CPU: 0 PID: 1826 Comm: udevd Not tainted 4.15.0-rc8-next-20180116+ #98 [ 45.150171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.159531] Call Trace: [ 45.162117] dump_stack+0x194/0x257 [ 45.165756] ? arch_local_irq_restore+0x53/0x53 [ 45.170423] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.175623] dump_header+0x28c/0xe2b [ 45.179341] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.184530] ? pagefault_out_of_memory+0x145/0x145 [ 45.189462] ? print_irqtrace_events+0x270/0x270 [ 45.194230] ? avc_has_perm_noaudit+0x37e/0x520 [ 45.198899] ? check_noncircular+0x20/0x20 [ 45.203128] ? check_noncircular+0x20/0x20 [ 45.207362] ? print_irqtrace_events+0x270/0x270 [ 45.212119] ? reacquire_held_locks+0x1f9/0x3e0 [ 45.216782] ? reacquire_held_locks+0x1f9/0x3e0 [ 45.221442] ? check_noncircular+0x20/0x20 [ 45.225689] ? task_will_free_mem+0x252/0xaa0 [ 45.230177] ? check_noncircular+0x20/0x20 [ 45.234416] ? print_irqtrace_events+0x270/0x270 [ 45.239179] ? ___ratelimit+0x30d/0x630 [ 45.243152] ? lock_downgrade+0x980/0x980 [ 45.247296] ? lock_release+0xa40/0xa40 [ 45.251277] ? mark_held_locks+0xaf/0x100 [ 45.255424] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 45.260523] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.265536] ? trace_hardirqs_on+0xd/0x10 [ 45.269682] ? ___ratelimit+0x95/0x630 [ 45.273565] ? idr_get_free_cmn+0xfd0/0xfd0 [ 45.277883] ? check_noncircular+0x20/0x20 [ 45.282123] oom_kill_process+0x81b/0x9f0 [ 45.286270] ? oom_badness+0xd1/0x980 [ 45.290057] ? lock_release+0xa40/0xa40 [ 45.294036] ? oom_kill_memcg_member+0x20/0x20 [ 45.298625] ? oom_evaluate_task+0x480/0x480 [ 45.303040] ? out_of_memory+0xe1c/0x1790 [ 45.307181] ? lock_downgrade+0x980/0x980 [ 45.311328] ? lock_release+0xa40/0xa40 [ 45.315290] ? find_next_bit+0xcc/0x100 [ 45.319279] ? oom_evaluate_task+0x284/0x480 [ 45.323688] out_of_memory+0x9d5/0x1790 [ 45.327673] ? oom_killer_disable+0x310/0x310 [ 45.332172] ? mutex_trylock+0x23a/0x2d0 [ 45.336225] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 45.341154] ? __lock_is_held+0xb6/0x140 [ 45.345213] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 45.350682] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 45.355536] ? trace_hardirqs_on+0xd/0x10 [ 45.359709] ? warn_alloc+0x2b0/0x2b0 [ 45.363521] ? lock_downgrade+0x980/0x980 [ 45.367682] ? __lock_is_held+0xb6/0x140 [ 45.371760] ? find_get_entry+0x53c/0x9e0 [ 45.375936] ? __lock_acquire+0x664/0x3e00 [ 45.380188] ? __lock_is_held+0xb6/0x140 [ 45.384267] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 45.390165] ? __might_sleep+0x95/0x190 [ 45.394151] __alloc_pages_nodemask+0x9fb/0xd80 [ 45.398822] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 45.403832] ? add_to_page_cache_lru+0x510/0x510 [ 45.408595] ? check_noncircular+0x20/0x20 [ 45.412824] ? check_noncircular+0x20/0x20 [ 45.417061] ? lock_acquire+0x1d5/0x580 [ 45.421060] alloc_pages_current+0xb6/0x1e0 [ 45.425381] __page_cache_alloc+0x334/0x500 [ 45.429695] ? rcu_read_lock_held+0xa9/0xc0 [ 45.434018] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 45.441391] filemap_fault+0xf34/0x1ca0 [ 45.445361] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.450560] ? __lock_page_or_retry+0x4f0/0x4f0 [ 45.455235] ? filemap_map_pages+0x942/0x15d0 [ 45.459722] ? free_obj_work+0x690/0x690 [ 45.463800] ? find_get_entries_tag+0xeb0/0xeb0 [ 45.468474] ? check_noncircular+0x20/0x20 [ 45.472707] ? print_irqtrace_events+0x270/0x270 [ 45.477452] ? print_irqtrace_events+0x270/0x270 [ 45.482231] ? do_raw_spin_trylock+0x190/0x190 [ 45.486838] ? lock_acquire+0x1d5/0x580 [ 45.490799] ? lock_acquire+0x1d5/0x580 [ 45.494763] ? ext4_filemap_fault+0x7a/0xad [ 45.499086] ? lock_release+0xa40/0xa40 [ 45.503052] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 45.508934] ? rcu_note_context_switch+0x710/0x710 [ 45.513864] ? __might_sleep+0x95/0x190 [ 45.517836] ? down_read+0x96/0x150 [ 45.521448] ? ext4_filemap_fault+0x7a/0xad [ 45.525762] ? __down_interruptible+0x6b0/0x6b0 [ 45.530442] ext4_filemap_fault+0x82/0xad [ 45.534589] __do_fault+0xeb/0x315 [ 45.538132] ? pte_offset_kernel+0xc7/0xc7 [ 45.542384] ? do_raw_spin_trylock+0x190/0x190 [ 45.546970] ? check_noncircular+0x20/0x20 [ 45.551226] __handle_mm_fault+0x1d8f/0x3ce0 [ 45.555645] ? __pmd_alloc+0x4e0/0x4e0 [ 45.559542] ? find_held_lock+0x35/0x1d0 [ 45.563608] ? handle_mm_fault+0x2a0/0x930 [ 45.567836] ? lock_downgrade+0x980/0x980 [ 45.572017] handle_mm_fault+0x38f/0x930 [ 45.576950] ? down_read_trylock+0xdb/0x170 [ 45.581281] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 45.585858] ? vmacache_find+0x5f/0x280 [ 45.589834] ? find_vma+0x30/0x150 [ 45.593375] __do_page_fault+0x5c9/0xc90 [ 45.597428] ? task_work_run+0x1f4/0x270 [ 45.601498] ? mm_fault_error+0x2c0/0x2c0 [ 45.605641] ? __fdget+0x18/0x20 [ 45.609020] do_page_fault+0xee/0x720 [ 45.612817] ? __do_page_fault+0xc90/0xc90 [ 45.617073] ? retint_user+0x18/0x18 [ 45.620803] ? page_fault+0x36/0x60 [ 45.624426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.629271] ? page_fault+0x36/0x60 [ 45.632895] page_fault+0x4c/0x60 [ 45.636336] RIP: 0033:0x7f5439f19293 [ 45.640033] RSP: 002b:00007ffeb8c821f8 EFLAGS: 00010287 [ 45.645387] RAX: 2f4065676e616863 RBX: 00007ffeb8c822a0 RCX: 007665647562696c [ 45.652649] RDX: 0000000000000008 RSI: 00000000004203c8 RDI: 00007ffeb8c822c8 [ 45.659907] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 [ 45.667164] R10: 0000000000000008 R11: 00007f5439f38e90 R12: 00007ffeb8c822c0 [ 45.674427] R13: 00000000000000a2 R14: 0000000000800a10 R15: 00000000007f6030 [ 45.681901] Mem-Info: [ 45.684352] active_anon:2489 inactive_anon:62 isolated_anon:0 [ 45.684352] active_file:34 inactive_file:0 isolated_file:0 [ 45.684352] unevictable:0 dirty:0 writeback:0 unstable:0 [ 45.684352] slab_reclaimable:7316 slab_unreclaimable:82935 [ 45.684352] mapped:2 shmem:70 pagetables:299 bounce:0 [ 45.684352] free:24185 free_pcp:7 free_cma:0 [ 45.716237] Node 0 active_anon:9956kB inactive_anon:248kB active_file:136kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 45.743132] 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 [ 45.769290] lowmem_reserve[]: 0 2870 6381 6381 [ 45.773890] Node 0 DMA32 free:44168kB min:30328kB low:37908kB high:45488kB active_anon:32kB inactive_anon:0kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942292kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.801149] lowmem_reserve[]: 0 0 3510 3510 [ 45.805488] Node 0 Normal free:36664kB min:37088kB low:46360kB high:55632kB active_anon:9920kB inactive_anon:248kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3072kB pagetables:1192kB bounce:0kB free_pcp:28kB local_pcp:0kB free_cma:0kB [ 45.833974] lowmem_reserve[]: 0 0 0 0 [ 45.837800] 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 [ 45.851404] Node 0 DMA32: 4*4kB (UM) 5*8kB (UM) 9*16kB (UM) 4*32kB (UM) 3*64kB (UM) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44168kB [ 45.866978] Node 0 Normal: 388*4kB (UME) 331*8kB (UM) 245*16kB (UME) 180*32kB (UME) 88*64kB (UME) 40*128kB (M) 23*256kB (M) 6*512kB (M) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 36664kB [ 45.883327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 45.891917] 97 total pagecache pages [ 45.895655] 0 pages in swap cache [ 45.899137] Swap cache stats: add 0, delete 0, find 0/0 [ 45.904534] Free swap = 0kB [ 45.907566] Total swap = 0kB [ 45.910595] 1965979 pages RAM [ 45.913714] 0 pages HighMem/MovableOnly [ 45.917703] 327773 pages reserved [ 45.921173] Unreclaimable slab info: [ 45.924907] Name Used Total [ 45.930463] hashtab_node 118KB 119KB [ 45.935852] ebitmap_node 382KB 385KB [ 45.941244] avtab_node 1012KB 1013KB [ 45.946633] TIPC 1KB 7KB [ 45.952040] SCTPv6 2KB 4KB [ 45.957435] DCCPv6 2KB 7KB [ 45.962853] DCCP 2KB 6KB [ 45.969705] fib6_nodes 0KB 4KB [ 45.976828] ip6_dst_cache 6KB 11KB [ 45.983067] RAWv6 9KB 13KB [ 45.989322] UDPv6 12KB 14KB [ 45.995653] TCPv6 2KB 5KB [ 46.001910] sd_ext_cdb 0KB 3KB [ 46.007897] scsi_sense_cache 92KB 124KB [ 46.014148] virtio_scsi_cmd 16KB 16KB [ 46.019551] sgpool-128 8KB 8KB [ 46.024936] sgpool-64 4KB 6KB [ 46.030320] sgpool-32 403KB 409KB [ 46.035695] sgpool-16 90KB 90KB [ 46.041113] sgpool-8 230KB 232KB [ 46.046500] cfq_io_cq 15KB 19KB [ 46.051868] cfq_queue 26KB 30KB [ 46.057244] mqueue_inode_cache 1KB 7KB [ 46.062724] nfs_commit_data 3KB 7KB [ 46.068102] nfs_write_data 34KB 37KB [ 46.073492] jbd2_inode 1KB 3KB [ 46.078884] ext4_system_zone 0KB 3KB [ 46.084284] bio-1 1KB 3KB [ 46.089689] rpc_buffers 17KB 19KB [ 46.095088] rpc_tasks 2KB 3KB [ 46.100483] UNIX 780KB 784KB [ 46.105904] tcp_bind_bucket 0KB 4KB [ 46.111809] ip_fib_trie 0KB 3KB [ 46.118050] ip_fib_alias 0KB 3KB [ 46.123482] ip_dst_cache 3KB 8KB [ 46.128868] RAW 5KB 7KB [ 46.134242] UDP 29KB 31KB [ 46.139637] TCP 7KB 7KB [ 46.145040] hugetlbfs_inode_cache 1KB 7KB [ 46.150784] eventpoll_pwq 11KB 15KB [ 46.156160] eventpoll_epi 20KB 27KB [ 46.161553] inotify_inode_mark 3KB 7KB [ 46.167046] request_queue 34KB 68KB [ 46.172462] blkdev_ioc 22KB 27KB [ 46.177835] bio-0 472KB 472KB [ 46.183203] biovec-(1<<(21-12)) 495KB 495KB [ 46.188748] biovec-64 166KB 173KB [ 46.194119] biovec-16 60KB 63KB [ 46.199488] bio_integrity_payload 0KB 4KB [ 46.205210] khugepaged_mm_slot 0KB 3KB [ 46.210666] uid_cache 0KB 3KB [ 46.216041] dmaengine-unmap-2 0KB 3KB [ 46.221420] audit_buffer 0KB 3KB [ 46.226793] skbuff_fclone_cache 137KB 142KB [ 46.232354] skbuff_head_cache 1739KB 1740KB [ 46.237741] configfs_dir_cache 0KB 4KB [ 46.243199] file_lock_cache 163KB 166KB [ 46.248579] file_lock_ctx 1KB 3KB [ 46.253952] fsnotify_mark_connector 2KB 3KB [ 46.259857] shmem_inode_cache 1045KB 1046KB [ 46.265246] task_delay_info 319KB 320KB [ 46.270641] sigqueue 364KB 366KB [ 46.276057] kernfs_node_cache 2288KB 2291KB [ 46.281453] mnt_cache 15KB 20KB [ 46.286846] filp 8308KB 8760KB [ 46.292243] names_cache 110415KB 110453KB [ 46.297634] avc_node 37KB 43KB [ 46.303076] selinux_file_security 419KB 496KB [ 46.309300] selinux_inode_security 1951KB 1956KB [ 46.315145] key_jar 3KB 7KB [ 46.320539] nsproxy 0KB 3KB [ 46.325933] vm_area_struct 18716KB 18724KB [ 46.331319] mm_struct 4526KB 4531KB [ 46.336714] fs_cache 425KB 432KB [ 46.342102] files_cache 1596KB 1597KB [ 46.347485] signal_cache 2547KB 2551KB [ 46.352875] sighand_cache 215KB 319KB [ 46.358250] task_struct 10871KB 10871KB [ 46.363635] cred_jar 2356KB 2360KB [ 46.369077] anon_vma_chain 7850KB 7855KB [ 46.374470] anon_vma 124KB 319KB [ 46.379844] pid 221KB 244KB [ 46.385226] Acpi-Operand 106KB 170KB [ 46.390617] Acpi-Namespace 19KB 23KB [ 46.395992] numa_policy 0KB 3KB [ 46.401381] debug_objects_cache 530KB 535KB [ 46.406942] trace_event_file 145KB 147KB [ 46.412323] ftrace_event_field 257KB 259KB [ 46.417782] pool_workqueue 24KB 24KB [ 46.423162] page->ptl 3096KB 3099KB [ 46.428566] kmalloc-262144 1032KB 1032KB [ 46.433946] kmalloc-131072 650KB 650KB [ 46.439322] kmalloc-65536 264KB 264KB [ 46.444707] kmalloc-32768 825KB 825KB [ 46.450078] kmalloc-16384 181KB 181KB [ 46.455455] kmalloc-8192 519KB 519KB [ 46.460845] kmalloc-4096 6608KB 6642KB [ 46.466216] kmalloc-2048 3204KB 3206KB [ 46.471595] kmalloc-1024 3703KB 3709KB [ 46.476987] kmalloc-512 2770KB 2771KB [ 46.482378] kmalloc-256 1930KB 2448KB [ 46.487760] kmalloc-128 405KB 523KB [ 46.493139] kmalloc-96 2128KB 2128KB [ 46.498521] kmalloc-64 2467KB 2468KB [ 46.503909] kmalloc-32 2393KB 2405KB [ 46.509383] kmalloc-192 911KB 912KB [ 46.514777] kmem_cache 100KB 105KB [ 46.520183] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 46.528805] [ 1826] 0 1826 5366 168 90112 0 -1000 udevd [ 46.536981] [ 3511] 0 3511 30604 158 118784 0 0 rsyslogd [ 46.545421] [ 3565] 0 3565 4725 51 77824 0 0 cron [ 46.553514] [ 3584] 0 3584 3736 44 65536 0 0 mcstransd [ 46.562102] [ 3612] 0 3612 12490 153 139264 0 -1000 sshd [ 46.570198] [ 3636] 0 3636 3694 40 73728 0 0 getty [ 46.578380] [ 3637] 0 3637 3694 40 69632 0 0 getty [ 46.586560] [ 3638] 0 3638 3694 39 77824 0 0 getty [ 46.594745] [ 3639] 0 3639 3694 41 73728 0 0 getty [ 46.602926] [ 3640] 0 3640 3694 42 77824 0 0 getty [ 46.611096] [ 3641] 0 3641 3694 42 69632 0 0 getty [ 46.619269] [ 3642] 0 3642 3649 39 77824 0 0 getty [ 46.627462] [ 3646] 0 3646 5681 454 86016 0 -1000 udevd [ 46.635639] [ 3647] 0 3647 5681 455 86016 0 -1000 udevd [ 46.643815] [ 3663] 0 3663 17821 196 188416 0 0 sshd [ 46.651907] [ 3665] 0 3665 280 1 32768 0 0 syzkaller633346 [ 46.660950] [ 3666] 0 3666 4375 0 32768 0 0 syzkaller633346 [ 46.670087] [ 3667] 0 3667 4375 0 32768 0 0 syzkaller633346 [ 46.679134] [ 3668] 0 3668 4375 0 32768 0 0 syzkaller633346 [ 46.688177] [ 3669] 0 3669 4375 0 32768 0 0 syzkaller633346 [ 46.697238] [ 3670] 0 3670 4375 0 32768 0 0 syzkaller633346 [ 46.706277] [ 3671] 0 3671 4375 0 32768 0 0 syzkaller633346 [ 46.715330] [ 3672] 0 3672 4375 0 32768 0 0 syzkaller633346 [ 46.724377] [ 3673] 0 3673 4375 523 36864 0 0 syzkaller633346 [ 46.733423] Out of memory: Kill process 3673 (syzkaller633346) score 0 or sacrifice child [ 46.741816] Killed process 3673 (syzkaller633346) total-vm:17500kB, anon-rss:2092kB, file-rss:0kB, shmem-rss:0kB [ 46.768568] oom_reaper: reaped process 3673 (syzkaller633346), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 46.781759] kworker/0:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 46.795124] kworker/0:1 cpuset=/ mems_allowed=0 [ 46.799958] CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.15.0-rc8-next-20180116+ #98 [ 46.808001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.817365] Workqueue: events pcpu_balance_workfn [ 46.822200] Call Trace: [ 46.824785] dump_stack+0x194/0x257 [ 46.828416] ? arch_local_irq_restore+0x53/0x53 [ 46.833087] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 46.838290] dump_header+0x28c/0xe2b [ 46.842019] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 46.847211] ? pagefault_out_of_memory+0x145/0x145 [ 46.852134] ? __lock_acquire+0x664/0x3e00 [ 46.856366] ? print_irqtrace_events+0x270/0x270 [ 46.861135] ? check_noncircular+0x20/0x20 [ 46.865362] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 46.870543] ? check_noncircular+0x20/0x20 [ 46.874773] ? print_irqtrace_events+0x270/0x270 [ 46.879536] ? reacquire_held_locks+0x1f9/0x3e0 [ 46.884194] ? reacquire_held_locks+0x1f9/0x3e0 [ 46.888857] ? check_noncircular+0x20/0x20 [ 46.893084] ? task_will_free_mem+0x252/0xaa0 [ 46.897568] ? check_noncircular+0x20/0x20 [ 46.901799] ? print_irqtrace_events+0x270/0x270 [ 46.906556] ? ___ratelimit+0x30d/0x630 [ 46.910523] ? lock_downgrade+0x980/0x980 [ 46.914673] ? lock_release+0xa40/0xa40 [ 46.918646] ? mark_held_locks+0xaf/0x100 [ 46.922788] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 46.927890] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 46.932903] ? trace_hardirqs_on+0xd/0x10 [ 46.937047] ? ___ratelimit+0x95/0x630 [ 46.940935] ? idr_get_free_cmn+0xfd0/0xfd0 [ 46.945253] ? check_noncircular+0x20/0x20 [ 46.949493] oom_kill_process+0x81b/0x9f0 [ 46.953635] ? lock_release+0xa40/0xa40 [ 46.957604] ? oom_kill_memcg_member+0x20/0x20 [ 46.962187] ? oom_evaluate_task+0x480/0x480 [ 46.966599] ? out_of_memory+0xe1c/0x1790 [ 46.970736] ? lock_downgrade+0x980/0x980 [ 46.974881] ? lock_release+0xa40/0xa40 [ 46.978845] ? find_next_bit+0xcc/0x100 [ 46.982811] ? blocking_notifier_call_chain+0x112/0x190 [ 46.988180] ? oom_evaluate_task+0x284/0x480 [ 46.992593] out_of_memory+0x9d5/0x1790 [ 46.996575] ? oom_killer_disable+0x310/0x310 [ 47.001159] ? mutex_trylock+0x23a/0x2d0 [ 47.005207] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 47.010131] ? __lock_is_held+0xb6/0x140 [ 47.014187] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 47.019646] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 47.024526] ? warn_alloc+0x2b0/0x2b0 [ 47.028317] ? check_noncircular+0x20/0x20 [ 47.032559] ? print_irqtrace_events+0x270/0x270 [ 47.037301] ? put_prev_task_fair+0x80/0x80 [ 47.041624] ? find_held_lock+0x35/0x1d0 [ 47.045689] ? __mutex_lock+0x5bd/0x1a80 [ 47.049752] ? __lock_acquire+0x664/0x3e00 [ 47.053976] ? lock_release+0xa40/0xa40 [ 47.057954] ? memset+0x31/0x40 [ 47.061244] ? do_raw_spin_trylock+0x190/0x190 [ 47.065852] ? __lock_is_held+0xb6/0x140 [ 47.069926] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 47.075816] ? __might_sleep+0x95/0x190 [ 47.079791] __alloc_pages_nodemask+0x9fb/0xd80 [ 47.084464] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 47.089471] ? __lock_acquire+0x664/0x3e00 [ 47.093715] ? print_irqtrace_events+0x270/0x270 [ 47.098477] ? __lock_is_held+0xb6/0x140 [ 47.102537] ? find_next_bit+0xcc/0x100 [ 47.106516] pcpu_populate_chunk+0x1b3/0x880 [ 47.110924] ? find_next_bit+0x87/0x100 [ 47.114928] pcpu_balance_workfn+0xf3e/0x1520 [ 47.119424] ? check_noncircular+0x20/0x20 [ 47.123826] ? find_held_lock+0x35/0x1d0 [ 47.127903] ? pcpu_create_chunk+0x900/0x900 [ 47.132307] ? lock_release+0xa40/0xa40 [ 47.136284] ? check_noncircular+0x20/0x20 [ 47.140526] ? lock_acquire+0x1d5/0x580 [ 47.144489] ? lock_acquire+0x1d5/0x580 [ 47.148456] ? process_one_work+0xb01/0x1af0 [ 47.152872] ? __lock_is_held+0xb6/0x140 [ 47.156948] process_one_work+0xbbf/0x1af0 [ 47.161192] ? trace_hardirqs_on+0xd/0x10 [ 47.165353] ? pwq_dec_nr_in_flight+0x450/0x450 [ 47.170028] ? __schedule+0x8f3/0x2060 [ 47.173900] ? update_curr+0x2e3/0xa60 [ 47.177796] ? check_noncircular+0x20/0x20 [ 47.182025] ? __lock_is_held+0xb6/0x140 [ 47.186127] ? lock_acquire+0x1d5/0x580 [ 47.190094] ? lock_acquire+0x1d5/0x580 [ 47.194081] ? worker_thread+0x4a3/0x1990 [ 47.198223] ? lock_downgrade+0x980/0x980 [ 47.202367] ? lock_release+0xa40/0xa40 [ 47.206334] ? check_noncircular+0x20/0x20 [ 47.210560] ? do_raw_spin_trylock+0x190/0x190 [ 47.215159] worker_thread+0xb26/0x1990 [ 47.219162] ? process_one_work+0x1af0/0x1af0 [ 47.223655] ? _raw_spin_unlock_irq+0x27/0x70 [ 47.228147] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 47.233154] ? trace_hardirqs_on+0xd/0x10 [ 47.237296] ? mmdrop+0x18/0x30 [ 47.240571] ? finish_task_switch+0x1f6/0x740 [ 47.245063] ? copy_overflow+0x20/0x20 [ 47.248971] ? __schedule+0x8f3/0x2060 [ 47.252889] ? find_held_lock+0x35/0x1d0 [ 47.256953] ? find_held_lock+0x35/0x1d0 [ 47.261019] ? complete+0x62/0x80 [ 47.264477] ? __schedule+0x2060/0x2060 [ 47.268440] ? do_wait_intr_irq+0x3e0/0x3e0 [ 47.272762] ? __lockdep_init_map+0xe4/0x650 [ 47.277164] ? do_raw_spin_trylock+0x190/0x190 [ 47.281734] ? lockdep_init_map+0x9/0x10 [ 47.285788] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 47.290882] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 47.295889] ? trace_hardirqs_on+0xd/0x10 [ 47.300031] ? __kthread_parkme+0x175/0x240 [ 47.304354] kthread+0x33c/0x400 [ 47.307711] ? process_one_work+0x1af0/0x1af0 [ 47.312193] ? kthread_stop+0x7a0/0x7a0 [ 47.316165] ret_from_fork+0x37/0x50 [ 47.319957] Mem-Info: [ 47.323256] active_anon:1971 inactive_anon:62 isolated_anon:0 [ 47.323256] active_file:16 inactive_file:11 isolated_file:0 [ 47.323256] unevictable:0 dirty:0 writeback:0 unstable:0 [ 47.323256] slab_reclaimable:7316 slab_unreclaimable:82912 [ 47.323256] mapped:2 shmem:70 pagetables:297 bounce:0 [ 47.323256] free:20468 free_pcp:15 free_cma:0 [ 47.356228] Node 0 active_anon:7884kB inactive_anon:248kB active_file:64kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 47.383630] 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 [ 47.410683] lowmem_reserve[]: 0 2870 6381 6381 [ 47.416201] Node 0 DMA32 free:44168kB min:30328kB low:37908kB high:45488kB active_anon:32kB inactive_anon:0kB active_file:0kB inactive_file:24kB unevictable:0kB writepending:0kB present:3129332kB managed:2942292kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 47.443588] lowmem_reserve[]: 0 0 3510 3510 [ 47.447983] Node 0 Normal free:21796kB min:37088kB low:46360kB high:55632kB active_anon:7852kB inactive_anon:248kB active_file:24kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3072kB pagetables:1188kB bounce:0kB free_pcp:60kB local_pcp:8kB free_cma:0kB [ 47.476515] lowmem_reserve[]: 0 0 0 0 [ 47.480362] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 47.494046] Node 0 DMA32: 4*4kB (UM) 5*8kB (UM) 9*16kB (UM) 4*32kB (UM) 3*64kB (UM) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44168kB [ 47.509645] Node 0 Normal: 291*4kB (ME) 241*8kB (M) 179*16kB (ME) 125*32kB (ME) 57*64kB (ME) 20*128kB (M) 14*256kB (UM) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 21796kB [ 47.525033] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 47.533635] 97 total pagecache pages [ 47.537459] 0 pages in swap cache [ 47.540933] Swap cache stats: add 0, delete 0, find 0/0 [ 47.546322] Free swap = 0kB [ 47.549357] Total swap = 0kB [ 47.552394] 1965979 pages RAM [ 47.555516] 0 pages HighMem/MovableOnly [ 47.559504] 327773 pages reserved [ 47.562994] Unreclaimable slab info: [ 47.566734] Name Used Total [ 47.572293] hashtab_node 118KB 119KB [ 47.578404] ebitmap_node 382KB 385KB [ 47.584699] avtab_node 1012KB 1013KB [ 47.590109] TIPC 1KB 7KB [ 47.595504] SCTPv6 2KB 4KB [ 47.600895] DCCPv6 2KB 7KB [ 47.606277] DCCP 2KB 6KB [ 47.611681] fib6_nodes 0KB 4KB [ 47.617071] ip6_dst_cache 6KB 11KB [ 47.622460] RAWv6 9KB 13KB [ 47.627832] UDPv6 12KB 14KB [ 47.633210] TCPv6 2KB 5KB [ 47.638610] sd_ext_cdb 0KB 3KB [ 47.643986] scsi_sense_cache 92KB 124KB [ 47.649369] virtio_scsi_cmd 16KB 16KB [ 47.654757] sgpool-128 8KB 8KB [ 47.660124] sgpool-64 4KB 6KB [ 47.665507] sgpool-32 403KB 409KB [ 47.670984] sgpool-16 90KB 90KB [ 47.676357] sgpool-8 230KB 232KB [ 47.681822] cfq_io_cq 15KB 19KB [ 47.687205] cfq_queue 26KB 30KB [ 47.692581] mqueue_inode_cache 1KB 7KB [ 47.698047] nfs_commit_data 3KB 7KB [ 47.703432] nfs_write_data 34KB 37KB [ 47.708819] jbd2_inode 1KB 3KB [ 47.714230] ext4_system_zone 0KB 3KB [ 47.719623] bio-1 1KB 3KB [ 47.725043] rpc_buffers 17KB 19KB [ 47.730428] rpc_tasks 2KB 3KB [ 47.735793] UNIX 780KB 784KB [ 47.741193] tcp_bind_bucket 0KB 4KB [ 47.746586] ip_fib_trie 0KB 3KB [ 47.751977] ip_fib_alias 0KB 3KB [ 47.757354] ip_dst_cache 3KB 8KB [ 47.762736] RAW 5KB 7KB [ 47.768124] UDP 29KB 31KB [ 47.773542] TCP 7KB 7KB [ 47.778938] hugetlbfs_inode_cache 1KB 7KB [ 47.784667] eventpoll_pwq 11KB 15KB [ 47.790048] eventpoll_epi 20KB 27KB [ 47.795422] inotify_inode_mark 3KB 7KB [ 47.800894] request_queue 31KB 45KB [ 47.806283] blkdev_ioc 21KB 27KB [ 47.811664] bio-0 472KB 472KB [ 47.817045] biovec-(1<<(21-12)) 495KB 495KB [ 47.822703] biovec-64 166KB 173KB [ 47.828096] biovec-16 60KB 63KB [ 47.833480] bio_integrity_payload 0KB 4KB [ 47.839251] khugepaged_mm_slot 0KB 3KB [ 47.846442] uid_cache 0KB 3KB [ 47.852721] dmaengine-unmap-2 0KB 3KB [ 47.859076] audit_buffer 0KB 3KB [ 47.864479] skbuff_fclone_cache 137KB 142KB [ 47.870045] skbuff_head_cache 1739KB 1740KB [ 47.875433] configfs_dir_cache 0KB 4KB [ 47.880907] file_lock_cache 163KB 166KB [ 47.886378] file_lock_ctx 1KB 3KB [ 47.891753] fsnotify_mark_connector 2KB 3KB [ 47.897661] shmem_inode_cache 1045KB 1046KB [ 47.903080] task_delay_info 319KB 320KB [ 47.908470] sigqueue 364KB 366KB [ 47.913844] kernfs_node_cache 2288KB 2291KB [ 47.919222] mnt_cache 15KB 20KB [ 47.924608] filp 8279KB 8737KB [ 47.930039] names_cache 110410KB 110440KB [ 47.935436] avc_node 37KB 43KB [ 47.940820] selinux_file_security 416KB 496KB [ 47.946540] selinux_inode_security 1951KB 1956KB [ 47.952354] key_jar 3KB 7KB [ 47.957729] nsproxy 0KB 3KB [ 47.963113] vm_area_struct 18716KB 18724KB [ 47.968533] mm_struct 4526KB 4531KB [ 47.973924] fs_cache 425KB 432KB [ 47.979296] files_cache 1596KB 1597KB [ 47.984671] signal_cache 2547KB 2551KB [ 47.990166] sighand_cache 215KB 319KB [ 47.995548] task_struct 10871KB 10871KB [ 48.000936] cred_jar 2356KB 2360KB [ 48.006315] anon_vma_chain 7850KB 7855KB [ 48.011701] anon_vma 122KB 319KB [ 48.017073] pid 221KB 244KB [ 48.022460] Acpi-Operand 106KB 170KB [ 48.027851] Acpi-Namespace 19KB 23KB [ 48.033226] numa_policy 0KB 3KB [ 48.038606] debug_objects_cache 530KB 535KB [ 48.044172] trace_event_file 145KB 147KB [ 48.049555] ftrace_event_field 257KB 259KB [ 48.055105] pool_workqueue 24KB 24KB [ 48.060481] page->ptl 3096KB 3099KB [ 48.065888] kmalloc-262144 1032KB 1032KB [ 48.071265] kmalloc-131072 650KB 650KB [ 48.076642] kmalloc-65536 264KB 264KB [ 48.082044] kmalloc-32768 825KB 825KB [ 48.087426] kmalloc-16384 181KB 181KB [ 48.092793] kmalloc-8192 519KB 519KB [ 48.098169] kmalloc-4096 6608KB 6634KB [ 48.103553] kmalloc-2048 3204KB 3206KB [ 48.108952] kmalloc-1024 3703KB 3709KB [ 48.114320] kmalloc-512 2770KB 2771KB [ 48.119697] kmalloc-256 1915KB 2415KB [ 48.125091] kmalloc-128 405KB 523KB [ 48.130478] kmalloc-96 2136KB 2136KB [ 48.135909] kmalloc-64 2476KB 2476KB [ 48.141279] kmalloc-32 2393KB 2405KB [ 48.146655] kmalloc-192 912KB 912KB [ 48.152038] kmem_cache 100KB 105KB [ 48.157417] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 48.166517] [ 1826] 0 1826 5366 168 90112 0 -1000 udevd [ 48.174671] [ 3511] 0 3511 30604 158 118784 0 0 rsyslogd [ 48.183101] [ 3565] 0 3565 4725 51 77824 0 0 cron [ 48.191197] [ 3584] 0 3584 3736 44 65536 0 0 mcstransd [ 48.199722] [ 3612] 0 3612 12490 153 139264 0 -1000 sshd [ 48.207814] [ 3636] 0 3636 3694 40 73728 0 0 getty [ 48.215997] [ 3637] 0 3637 3694 40 69632 0 0 getty [ 48.224183] [ 3638] 0 3638 3694 39 77824 0 0 getty [ 48.232381] [ 3639] 0 3639 3694 41 73728 0 0 getty [ 48.240557] [ 3640] 0 3640 3694 42 77824 0 0 getty [ 48.248735] [ 3641] 0 3641 3694 42 69632 0 0 getty [ 48.256928] [ 3642] 0 3642 3649 39 77824 0 0 getty [ 48.265108] [ 3646] 0 3646 5681 454 86016 0 -1000 udevd [ 48.273299] [ 3647] 0 3647 5681 455 86016 0 -1000 udevd [ 48.281478] [ 3663] 0 3663 17821 196 188416 0 0 sshd [ 48.289588] [ 3665] 0 3665 280 1 32768 0 0 syzkaller633346 [ 48.298670] [ 3666] 0 3666 4375 0 32768 0 0 syzkaller633346 [ 48.307710] [ 3667] 0 3667 4375 0 32768 0 0 syzkaller633346 [ 48.316754] [ 3668] 0 3668 4375 0 32768 0 0 syzkaller633346 [ 48.325782] [ 3669] 0 3669 4375 0 32768 0 0 syzkaller633346 [ 48.334821] [ 3670] 0 3670 4375 0 32768 0 0 syzkaller633346 [ 48.343866] [ 3671] 0 3671 4375 0 32768 0 0 syzkaller633346 [ 48.352926] [ 3672] 0 3672 4375 0 32768 0 0 syzkaller633346 [ 48.361959] [ 3673] 0 3673 4375 0 32768 0 0 syzkaller633346 [ 48.371071] Out of memory: Kill process 3663 (sshd) score 0 or sacrifice child [ 48.378859] Killed process 3665 (syzkaller633346) total-vm:1120kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 48.391910] kworker/0:1 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 48.404799] kworker/0:1 cpuset=/ mems_allowed=0 [ 48.409524] CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.15.0-rc8-next-20180116+ #98 [ 48.417573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.427102] Workqueue: events pcpu_balance_workfn [ 48.431939] Call Trace: [ 48.434522] dump_stack+0x194/0x257 [ 48.438150] ? arch_local_irq_restore+0x53/0x53 [ 48.442812] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.448012] dump_header+0x28c/0xe2b [ 48.451728] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.456918] ? pagefault_out_of_memory+0x145/0x145 [ 48.461840] ? __lock_acquire+0x664/0x3e00 [ 48.466074] ? print_irqtrace_events+0x270/0x270 [ 48.470840] ? check_noncircular+0x20/0x20 [ 48.475071] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.480254] ? check_noncircular+0x20/0x20 [ 48.484488] ? print_irqtrace_events+0x270/0x270 [ 48.489247] ? reacquire_held_locks+0x1f9/0x3e0 [ 48.493905] ? reacquire_held_locks+0x1f9/0x3e0 [ 48.498565] ? check_noncircular+0x20/0x20 [ 48.502791] ? task_will_free_mem+0x252/0xaa0 [ 48.507277] ? check_noncircular+0x20/0x20 [ 48.511520] ? print_irqtrace_events+0x270/0x270 [ 48.516279] ? ___ratelimit+0x30d/0x630 [ 48.520246] ? lock_downgrade+0x980/0x980 [ 48.524392] ? lock_release+0xa40/0xa40 [ 48.528369] ? mark_held_locks+0xaf/0x100 [ 48.532510] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 48.537607] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 48.542622] ? trace_hardirqs_on+0xd/0x10 [ 48.546767] ? ___ratelimit+0x95/0x630 [ 48.550647] ? idr_get_free_cmn+0xfd0/0xfd0 [ 48.554961] ? check_noncircular+0x20/0x20 [ 48.559203] oom_kill_process+0x81b/0x9f0 [ 48.563345] ? lock_release+0xa40/0xa40 [ 48.567318] ? oom_kill_memcg_member+0x20/0x20 [ 48.571901] ? oom_evaluate_task+0x480/0x480 [ 48.576317] ? out_of_memory+0xe1c/0x1790 [ 48.580455] ? lock_downgrade+0x980/0x980 [ 48.584597] ? lock_release+0xa40/0xa40 [ 48.588558] ? find_next_bit+0xcc/0x100 [ 48.592523] ? blocking_notifier_call_chain+0x112/0x190 [ 48.597896] ? oom_evaluate_task+0x284/0x480 [ 48.602304] out_of_memory+0x9d5/0x1790 [ 48.606288] ? oom_killer_disable+0x310/0x310 [ 48.610786] ? mutex_trylock+0x23a/0x2d0 [ 48.614837] ? __alloc_pages_slowpath+0xf63/0x2cc0 [ 48.619766] ? __lock_is_held+0xb6/0x140 [ 48.623819] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 48.629288] __alloc_pages_slowpath+0x1ce4/0x2cc0 [ 48.634168] ? warn_alloc+0x2b0/0x2b0 [ 48.637958] ? check_noncircular+0x20/0x20 [ 48.642198] ? print_irqtrace_events+0x270/0x270 [ 48.646946] ? put_prev_task_fair+0x80/0x80 [ 48.651271] ? find_held_lock+0x35/0x1d0 [ 48.655333] ? __mutex_lock+0x5bd/0x1a80 [ 48.659398] ? __lock_acquire+0x664/0x3e00 [ 48.663626] ? lock_release+0xa40/0xa40 [ 48.667593] ? memset+0x31/0x40 [ 48.670870] ? do_raw_spin_trylock+0x190/0x190 [ 48.675478] ? __lock_is_held+0xb6/0x140 [ 48.679551] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 48.685442] ? __might_sleep+0x95/0x190 [ 48.689418] __alloc_pages_nodemask+0x9fb/0xd80 [ 48.694088] ? __alloc_pages_slowpath+0x2cc0/0x2cc0 [ 48.699097] ? __lock_acquire+0x664/0x3e00 [ 48.703343] ? print_irqtrace_events+0x270/0x270 [ 48.708110] ? __lock_is_held+0xb6/0x140 [ 48.712173] ? find_next_bit+0xcc/0x100 [ 48.716154] pcpu_populate_chunk+0x1b3/0x880 [ 48.720556] ? find_next_bit+0x87/0x100 [ 48.724543] pcpu_balance_workfn+0xf3e/0x1520 [ 48.729032] ? check_noncircular+0x20/0x20 [ 48.733257] ? find_held_lock+0x35/0x1d0 [ 48.737334] ? pcpu_create_chunk+0x900/0x900 [ 48.741738] ? lock_release+0xa40/0xa40 [ 48.745709] ? check_noncircular+0x20/0x20 [ 48.749947] ? lock_acquire+0x1d5/0x580 [ 48.753907] ? lock_acquire+0x1d5/0x580 [ 48.757872] ? process_one_work+0xb01/0x1af0 [ 48.762291] ? __lock_is_held+0xb6/0x140 [ 48.766363] process_one_work+0xbbf/0x1af0 [ 48.770591] ? trace_hardirqs_on+0xd/0x10 [ 48.774749] ? pwq_dec_nr_in_flight+0x450/0x450 [ 48.779427] ? __schedule+0x8f3/0x2060 [ 48.783304] ? update_curr+0x2e3/0xa60 [ 48.787200] ? check_noncircular+0x20/0x20 [ 48.791426] ? __lock_is_held+0xb6/0x140 [ 48.795523] ? lock_acquire+0x1d5/0x580 [ 48.799485] ? lock_acquire+0x1d5/0x580 [ 48.803450] ? worker_thread+0x4a3/0x1990 [ 48.807604] ? lock_downgrade+0x980/0x980 [ 48.811756] ? lock_release+0xa40/0xa40 [ 48.815724] ? check_noncircular+0x20/0x20 [ 48.819953] ? do_raw_spin_trylock+0x190/0x190 [ 48.824556] worker_thread+0xb26/0x1990 [ 48.828562] ? process_one_work+0x1af0/0x1af0 [ 48.833075] ? _raw_spin_unlock_irq+0x27/0x70 [ 48.837564] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 48.842570] ? trace_hardirqs_on+0xd/0x10 [ 48.846709] ? mmdrop+0x18/0x30 [ 48.849981] ? finish_task_switch+0x1f6/0x740 [ 48.854472] ? copy_overflow+0x20/0x20 [ 48.858364] ? __schedule+0x8f3/0x2060 [ 48.862279] ? find_held_lock+0x35/0x1d0 [ 48.866340] ? find_held_lock+0x35/0x1d0 [ 48.870406] ? complete+0x62/0x80 [ 48.873876] ? __schedule+0x2060/0x2060 [ 48.877847] ? do_wait_intr_irq+0x3e0/0x3e0 [ 48.882157] ? __lockdep_init_map+0xe4/0x650 [ 48.886556] ? do_raw_spin_trylock+0x190/0x190 [ 48.891134] ? lockdep_init_map+0x9/0x10 [ 48.895185] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 48.900284] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 48.905292] ? trace_hardirqs_on+0xd/0x10 [ 48.909433] ? __kthread_parkme+0x175/0x240 [ 48.913748] kthread+0x33c/0x400 [ 48.917105] ? process_one_work+0x1af0/0x1af0 [ 48.921588] ? kthread_stop+0x7a0/0x7a0 [ 48.925561] ret_from_fork+0x37/0x50 [ 48.929371] Mem-Info: [ 48.931815] active_anon:1960 inactive_anon:62 isolated_anon:0 [ 48.931815] active_file:13 inactive_file:14 isolated_file:0 [ 48.931815] unevictable:0 dirty:0 writeback:0 unstable:0 [ 48.931815] slab_reclaimable:7316 slab_unreclaimable:82906 [ 48.931815] mapped:2 shmem:70 pagetables:293 bounce:0 [ 48.931815] free:20476 free_pcp:34 free_cma:0 [ 48.963927] Node 0 active_anon:7840kB inactive_anon:248kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 48.990408] 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 [ 49.016550] lowmem_reserve[]: 0 2870 6381 6381 [ 49.021191] Node 0 DMA32 free:44168kB min:30328kB low:37908kB high:45488kB active_anon:32kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942292kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.048475] lowmem_reserve[]: 0 0 3510 3510 [ 49.052835] Node 0 Normal free:21828kB min:37088kB low:46360kB high:55632kB active_anon:7808kB inactive_anon:248kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3594624kB mlocked:0kB kernel_stack:3040kB pagetables:1172kB bounce:0kB free_pcp:136kB local_pcp:8kB free_cma:0kB [ 49.081451] lowmem_reserve[]: 0 0 0 0 [ 49.086218] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 49.100765] Node 0 DMA32: 4*4kB (UM) 5*8kB (UM) 9*16kB (UM) 4*32kB (UM) 3*64kB (UM) 5*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44168kB [ 49.117294] Node 0 Normal: 291*4kB (ME) 241*8kB (M) 179*16kB (ME) 126*32kB (UME) 57*64kB (ME) 20*128kB (M) 14*256kB (UM) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 21828kB [ 49.132739] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 49.141346] 97 total pagecache pages [ 49.145133] 0 pages in swap cache [ 49.148606] Swap cache stats: add 0, delete 0, find 0/0 [ 49.153992] Free swap = 0kB [ 49.157044] Total swap = 0kB [ 49.160080] 1965979 pages RAM [ 49.163201] 0 pages HighMem/MovableOnly [ 49.167187] 327773 pages reserved [ 49.170656] Unreclaimable slab info: [ 49.174385] Name Used Total [ 49.179942] hashtab_node 118KB 119KB [ 49.185310] ebitmap_node 382KB 385KB [ 49.190696] avtab_node 1012KB 1013KB [ 49.196085] TIPC 1KB 7KB [ 49.201473] SCTPv6 2KB 4KB [ 49.206867] DCCPv6 2KB 7KB [ 49.212286] DCCP 2KB 6KB [ 49.217664] fib6_nodes 0KB 4KB [ 49.223040] ip6_dst_cache 6KB 11KB [ 49.228424] RAWv6 9KB 13KB [ 49.233796] UDPv6 12KB 14KB [ 49.239172] TCPv6 2KB 5KB [ 49.244639] sd_ext_cdb 0KB 3KB [ 49.250046] scsi_sense_cache 92KB 124KB [ 49.255428] virtio_scsi_cmd 16KB 16KB [ 49.260818] sgpool-128 8KB 8KB [ 49.266198] sgpool-64 4KB 6KB [ 49.271577] sgpool-32 403KB 409KB [ 49.276995] sgpool-16 90KB 90KB [ 49.282378] sgpool-8 230KB 232KB [ 49.287766] cfq_io_cq 15KB 19KB [ 49.293152] cfq_queue 26KB 30KB [ 49.298538] mqueue_inode_cache 1KB 7KB [ 49.304039] nfs_commit_data 3KB 7KB [ 49.309426] nfs_write_data 34KB 37KB [ 49.314818] jbd2_inode 1KB 3KB [ 49.320206] ext4_system_zone 0KB 3KB [ 49.325607] bio-1 1KB 3KB [ 49.330979] rpc_buffers 17KB 19KB [ 49.336355] rpc_tasks 2KB 3KB [ 49.341770] UNIX 780KB 784KB [ 49.348911] tcp_bind_bucket 0KB 4KB [ 49.355213] ip_fib_trie 0KB 3KB [ 49.361502] ip_fib_alias 0KB 3KB [ 49.367784] ip_dst_cache 3KB 8KB [ 49.373187] RAW 5KB 7KB [ 49.378572] UDP 29KB 31KB [ 49.383960] TCP 7KB 7KB [ 49.389342] hugetlbfs_inode_cache 1KB 7KB [ 49.395071] eventpoll_pwq 11KB 15KB [ 49.400456] eventpoll_epi 20KB 27KB [ 49.405831] inotify_inode_mark 3KB 7KB [ 49.411307] request_queue 31KB 45KB [ 49.416697] blkdev_ioc 21KB 27KB [ 49.422080] bio-0 472KB 472KB [ 49.427547] biovec-(1<<(21-12)) 495KB 495KB [ 49.433106] biovec-64 166KB 173KB [ 49.438490] biovec-16 60KB 63KB [ 49.443865] bio_integrity_payload 0KB 4KB [ 49.449586] khugepaged_mm_slot 0KB 3KB [ 49.455063] uid_cache 0KB 3KB [ 49.460448] dmaengine-unmap-2 0KB 3KB [ 49.465819] audit_buffer 0KB 3KB [ 49.471192] skbuff_fclone_cache 137KB 142KB [ 49.476748] skbuff_head_cache 1739KB 1740KB [ 49.482130] configfs_dir_cache 0KB 4KB [ 49.487599] file_lock_cache 163KB 166KB [ 49.492968] file_lock_ctx 1KB 3KB [ 49.498342] fsnotify_mark_connector 2KB 3KB [ 49.504248] shmem_inode_cache 1045KB 1046KB [ 49.509616] task_delay_info 319KB 320KB [ 49.515037] sigqueue 366KB 366KB [ 49.520421] kernfs_node_cache 2288KB 2291KB [ 49.525793] mnt_cache 15KB 20KB [ 49.531168] filp 8279KB 8737KB [ 49.536555] names_cache 110410KB 110440KB [ 49.541940] avc_node 37KB 43KB [ 49.547323] selinux_file_security 416KB 496KB [ 49.553048] selinux_inode_security 1951KB 1956KB [ 49.558869] key_jar 3KB 7KB [ 49.564251] nsproxy 0KB 3KB [ 49.569632] vm_area_struct 18716KB 18724KB [ 49.575569] mm_struct 4526KB 4531KB [ 49.580951] fs_cache 425KB 432KB [ 49.586335] files_cache 1596KB 1597KB [ 49.591703] signal_cache 2547KB 2551KB [ 49.597085] sighand_cache 215KB 319KB [ 49.602475] task_struct 10871KB 10871KB [ 49.607862] cred_jar 2356KB 2360KB [ 49.613242] anon_vma_chain 7850KB 7855KB [ 49.618633] anon_vma 122KB 319KB [ 49.624045] pid 221KB 244KB [ 49.629424] Acpi-Operand 106KB 170KB [ 49.634823] Acpi-Namespace 19KB 23KB [ 49.640209] numa_policy 0KB 3KB [ 49.645594] debug_objects_cache 530KB 535KB [ 49.651156] trace_event_file 145KB 147KB [ 49.656543] ftrace_event_field 257KB 259KB [ 49.662031] pool_workqueue 24KB 24KB [ 49.667454] page->ptl 3096KB 3099KB [ 49.674613] kmalloc-262144 1032KB 1032KB [ 49.680877] kmalloc-131072 650KB 650KB [ 49.687156] kmalloc-65536 264KB 264KB [ 49.692545] kmalloc-32768 825KB 825KB [ 49.697931] kmalloc-16384 181KB 181KB [ 49.703315] kmalloc-8192 519KB 519KB [ 49.708698] kmalloc-4096 6608KB 6634KB [ 49.714080] kmalloc-2048 3204KB 3206KB [ 49.719448] kmalloc-1024 3703KB 3709KB [ 49.724831] kmalloc-512 2770KB 2771KB [ 49.730215] kmalloc-256 1915KB 2415KB [ 49.735589] kmalloc-128 405KB 523KB [ 49.740968] kmalloc-96 2136KB 2136KB [ 49.746348] kmalloc-64 2476KB 2476KB [ 49.751713] kmalloc-32 2393KB 2405KB [ 49.757091] kmalloc-192 912KB 912KB [ 49.762503] kmem_cache 100KB 105KB [ 49.767880] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 49.776509] [ 1826] 0 1826 5366 168 90112 0 -1000 udevd [ 49.784693] [ 3511] 0 3511 30604 158 118784 0 0 rsyslogd [ 49.793130] [ 3565] 0 3565 4725 51 77824 0 0 cron [ 49.801222] [ 3584] 0 3584 3736 44 65536 0 0 mcstransd [ 49.809745] [ 3612] 0 3612 12490 153 139264 0 -1000 sshd [ 49.817841] [ 3636] 0 3636 3694 40 73728 0 0 getty [ 49.826041] [ 3637] 0 3637 3694 40 69632 0 0 getty [ 49.834216] [ 3638] 0 3638 3694 39 77824 0 0 getty [ 49.842390] [ 3639] 0 3639 3694 41 73728 0 0 getty [ 49.850572] [ 3640] 0 3640 3694 42 77824 0 0 getty [ 49.858752] [ 3641] 0 3641 3694 42 69632 0 0 getty [ 49.866957] [ 3642] 0 3642 3649 39 77824 0 0 getty [ 49.875134] [ 3646] 0 3646 5681 454 86016 0 -1000 udevd [ 49.883314] [ 3647] 0 3647 5681 455 86016 0 -1000 udevd [ 49.891488] [ 3663] 0 3663 17821 196 188416 0 0 sshd [ 49.899578] [ 3666] 0 3666 4375 0 32768 0 0 syzkaller633346 [ 49.908614] [ 3667] 0 3667 4375 0 32768 0 0 syzkaller633346 [ 49.917659] [ 3668] 0 3668 4375 0 32768 0 0 syzkaller633346 [ 49.926704] [ 3669] 0 3669 4375 0 32768 0 0 syzkaller633346 [ 49.935736] [ 3670] 0 3670 4375 0 32768 0 0 syzkaller633346 [ 49.944788] [ 3671] 0 3671 4375 0 32768 0 0 syzkaller633346 [ 49.953843] [ 3672] 0 3672 4375 0 32768 0 0 syzkaller633346 [ 49.962889] [ 3673] 0 3673 4375 0 32768 0 0 syzkaller633346 [ 49.971931] Out of memory: Kill process 3663 (sshd) score 0 or sacrifice child Connection to 10.128.0.12 closed by remote host. [ 49.979344] Killed process 3663 (ss