[....] Starting enhanced syslogd: rsyslogd[ 12.393765] audit: type=1400 audit(1515721512.554:5): avc: denied { syslog } for pid=3339 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 17.052393] audit: type=1400 audit(1515721517.213:6): avc: denied { map } for pid=3478 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.15.204' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 59.035501] audit: type=1400 audit(1515721559.196:7): avc: denied { map } for pid=3496 comm="syzkaller344680" path="/root/syzkaller344680795" 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 [ 59.103074] audit: type=1400 audit(1515721559.200:8): avc: denied { map_create } for pid=3504 comm="syzkaller344680" 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 [ 64.901172] syzkaller344680 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 64.913606] syzkaller344680 cpuset=/ mems_allowed=0 [ 64.918774] CPU: 0 PID: 3503 Comm: syzkaller344680 Not tainted 4.15.0-rc7+ #167 [ 64.926202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.935534] Call Trace: [ 64.938101] dump_stack+0x194/0x257 [ 64.941708] ? arch_local_irq_restore+0x53/0x53 [ 64.946357] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 64.951536] dump_header+0x28c/0xe1e [ 64.955225] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 64.960398] ? pagefault_out_of_memory+0x152/0x152 [ 64.965314] ? print_irqtrace_events+0x270/0x270 [ 64.970054] ? __lock_acquire+0x664/0x3e00 [ 64.974279] ? check_noncircular+0x20/0x20 [ 64.978529] ? check_noncircular+0x20/0x20 [ 64.982741] ? task_will_free_mem+0x252/0xaa0 [ 64.987217] ? print_irqtrace_events+0x270/0x270 [ 64.991948] ? ___ratelimit+0x30d/0x630 [ 64.995894] ? lock_downgrade+0x980/0x980 [ 65.000032] ? lock_release+0xa40/0xa40 [ 65.003987] ? mark_held_locks+0xaf/0x100 [ 65.008115] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 65.013195] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 65.018188] ? trace_hardirqs_on+0xd/0x10 [ 65.022323] ? ___ratelimit+0x95/0x630 [ 65.026198] ? idr_get_free_cmn+0xfd0/0xfd0 [ 65.030503] ? check_noncircular+0x20/0x20 [ 65.034720] ? find_held_lock+0x138/0x1d0 [ 65.038851] oom_kill_process+0x8b5/0x14a0 [ 65.043070] ? has_ns_capability_noaudit+0x163/0x2a0 [ 65.048159] ? lock_downgrade+0x980/0x980 [ 65.052294] ? oom_evaluate_task+0x480/0x480 [ 65.056704] ? security_capable_noaudit+0x8b/0xc0 [ 65.061526] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 65.066607] ? has_capability+0x30/0x30 [ 65.070563] ? do_raw_spin_trylock+0x190/0x190 [ 65.075123] ? check_noncircular+0x20/0x20 [ 65.079331] ? has_capability_noaudit+0x24/0x30 [ 65.083969] ? oom_badness+0xd1/0x980 [ 65.087736] ? lock_release+0xa40/0xa40 [ 65.091684] ? find_lock_task_mm+0x460/0x460 [ 65.096075] ? find_held_lock+0x35/0x1d0 [ 65.100132] ? out_of_memory+0xb3a/0x1220 [ 65.104262] ? lock_downgrade+0x980/0x980 [ 65.108397] ? lock_release+0xa40/0xa40 [ 65.112356] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 65.117269] ? oom_evaluate_task+0x284/0x480 [ 65.121649] out_of_memory+0x86d/0x1220 [ 65.125592] ? find_next_bit+0x27/0x30 [ 65.129453] ? oom_killer_disable+0x310/0x310 [ 65.133922] ? mutex_trylock+0x23a/0x2d0 [ 65.137954] ? __lock_is_held+0xb6/0x140 [ 65.141984] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 65.147414] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 65.152276] ? lock_downgrade+0x8e7/0x980 [ 65.156404] ? warn_alloc+0x2b0/0x2b0 [ 65.160202] ? print_irqtrace_events+0x270/0x270 [ 65.164945] ? mutex_spin_on_owner+0x446/0xb50 [ 65.169509] ? __lock_acquire+0x664/0x3e00 [ 65.173726] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 65.179590] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 65.184765] ? __lock_is_held+0xb6/0x140 [ 65.188810] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 65.194688] ? __might_sleep+0x95/0x190 [ 65.198653] __alloc_pages_nodemask+0x9fb/0xd80 [ 65.203296] ? lock_release+0xa40/0xa40 [ 65.207242] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 65.212251] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 65.217162] ? print_irqtrace_events+0x270/0x270 [ 65.221895] ? __lock_is_held+0xb6/0x140 [ 65.225935] ? find_next_bit+0x27/0x30 [ 65.229797] pcpu_populate_chunk+0x1b3/0x880 [ 65.234204] pcpu_alloc+0x978/0x10e0 [ 65.237904] ? pcpu_free_area+0xa00/0xa00 [ 65.242036] ? vmap_page_range_noflush+0x523/0x720 [ 65.246958] ? retint_kernel+0x10/0x10 [ 65.250816] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 65.255803] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 65.260547] ? retint_kernel+0x10/0x10 [ 65.264436] __alloc_percpu_gfp+0x27/0x30 [ 65.268577] array_map_alloc+0x68a/0x830 [ 65.272635] SyS_bpf+0x7f8/0x4420 [ 65.276086] ? bpf_prog_get+0x20/0x20 [ 65.279861] ? __lock_acquire+0x664/0x3e00 [ 65.284082] ? perf_event_fork+0x30/0x30 [ 65.288140] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 65.293304] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 65.298482] ? vma_wants_writenotify+0x51/0x3b0 [ 65.303135] ? vma_wants_writenotify+0x3b0/0x3b0 [ 65.307864] ? vma_link+0xe9/0x170 [ 65.311380] ? mmap_region+0x52e/0x15a0 [ 65.315335] ? find_held_lock+0x35/0x1d0 [ 65.319365] ? check_noncircular+0x20/0x20 [ 65.323577] ? __handle_mm_fault+0x80e/0x3ce0 [ 65.328056] ? check_noncircular+0x20/0x20 [ 65.332274] ? __pmd_alloc+0x4e0/0x4e0 [ 65.336158] ? find_held_lock+0x35/0x1d0 [ 65.340215] ? handle_mm_fault+0x248/0x8d0 [ 65.344446] ? find_held_lock+0x35/0x1d0 [ 65.348514] ? __do_page_fault+0x5f7/0xc90 [ 65.352732] ? lock_downgrade+0x980/0x980 [ 65.356862] ? handle_mm_fault+0x410/0x8d0 [ 65.361066] ? down_read_trylock+0xdb/0x170 [ 65.365355] ? __do_page_fault+0x32d/0xc90 [ 65.369562] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 65.374120] ? vmacache_find+0x5f/0x280 [ 65.378079] ? vmacache_update+0xfe/0x130 [ 65.382222] ? up_read+0x1a/0x40 [ 65.385576] ? do_fast_syscall_32+0x156/0xf9d [ 65.390049] ? bpf_prog_get+0x20/0x20 [ 65.393827] do_fast_syscall_32+0x3ee/0xf9d [ 65.398139] ? do_int80_syscall_32+0x9d0/0x9d0 [ 65.402707] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 65.407443] ? syscall_return_slowpath+0x2ad/0x550 [ 65.412350] ? prepare_exit_to_usermode+0x340/0x340 [ 65.417344] ? retint_user+0x18/0x18 [ 65.421038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.425864] entry_SYSENTER_compat+0x54/0x63 [ 65.430248] RIP: 0023:0xf7f30c79 [ 65.433589] RSP: 002b:00000000ffe8deec EFLAGS: 00000282 ORIG_RAX: 0000000000000165 [ 65.441274] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020c47fec [ 65.448516] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 65.455765] RBP: 00000000ffe8df38 R08: 0000000000000000 R09: 0000000000000000 [ 65.463011] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 65.470260] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 65.477600] Mem-Info: [ 65.480910] active_anon:7899 inactive_anon:61 isolated_anon:0 [ 65.480910] active_file:21 inactive_file:0 isolated_file:0 [ 65.480910] unevictable:0 dirty:2 writeback:0 unstable:0 [ 65.480910] slab_reclaimable:7201 slab_unreclaimable:83652 [ 65.480910] mapped:28 shmem:68 pagetables:345 bounce:0 [ 65.480910] free:24141 free_pcp:0 free_cma:0 [ 65.513125] Node 0 active_anon:31596kB inactive_anon:244kB active_file:72kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:108kB dirty:8kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 65.540106] 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 [ 65.566222] lowmem_reserve[]: 0 2871 6381 6381 [ 65.570807] Node 0 DMA32 free:44156kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 65.597962] lowmem_reserve[]: 0 0 3510 3510 [ 65.602301] Node 0 Normal free:36624kB min:37084kB low:46352kB high:55620kB active_anon:31596kB inactive_anon:244kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:4kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3072kB pagetables:1380kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 65.630758] lowmem_reserve[]: 0 0 0 0 [ 65.634565] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 65.648193] Node 0 DMA32: 3*4kB (UM) 2*8kB (U) 4*16kB (UM) 1*32kB (U) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 4*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44156kB [ 65.663430] Node 0 Normal: 737*4kB (UME) 532*8kB (UM) 322*16kB (UME) 178*32kB (UME) 66*64kB (UME) 39*128kB (M) 27*256kB (UM) 5*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 36740kB [ 65.679153] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 65.687734] 99 total pagecache pages [ 65.691791] 0 pages in swap cache [ 65.695246] Swap cache stats: add 0, delete 0, find 0/0 [ 65.700608] Free swap = 0kB [ 65.703620] Total swap = 0kB [ 65.706630] 1965979 pages RAM [ 65.709728] 0 pages HighMem/MovableOnly [ 65.713702] 327749 pages reserved [ 65.717222] Unreclaimable slab info: [ 65.721035] Name Used Total [ 65.726610] hashtab_node 118KB 119KB [ 65.731958] ebitmap_node 383KB 385KB [ 65.737326] avtab_node 1012KB 1013KB [ 65.742687] TIPC 1KB 7KB [ 65.748041] SCTPv6 2KB 4KB [ 65.753408] DCCPv6 2KB 7KB [ 65.758764] DCCP 2KB 6KB [ 65.764223] fib6_nodes 0KB 4KB [ 65.769588] ip6_dst_cache 6KB 11KB [ 65.774945] RAWv6 9KB 19KB [ 65.780298] UDPv6 12KB 14KB [ 65.785664] TCPv6 2KB 5KB [ 65.791058] sd_ext_cdb 0KB 3KB [ 65.796418] scsi_sense_cache 81KB 92KB [ 65.801777] virtio_scsi_cmd 16KB 16KB [ 65.807143] sgpool-128 8KB 8KB [ 65.812497] sgpool-64 4KB 6KB [ 65.817845] sgpool-32 78KB 78KB [ 65.823211] sgpool-16 30KB 30KB [ 65.828667] sgpool-8 161KB 161KB [ 65.834034] cfq_io_cq 14KB 15KB [ 65.839394] cfq_queue 23KB 27KB [ 65.844758] mqueue_inode_cache 1KB 7KB [ 65.850195] nfs_commit_data 3KB 7KB [ 65.855556] nfs_write_data 34KB 37KB [ 65.860915] jbd2_inode 1KB 3KB [ 65.866264] ext4_system_zone 0KB 3KB [ 65.871637] bio-1 1KB 3KB [ 65.876998] rpc_buffers 17KB 19KB [ 65.882353] rpc_tasks 2KB 3KB [ 65.887716] UNIX 777KB 780KB [ 65.893088] tcp_bind_bucket 0KB 4KB [ 65.898448] ip_fib_trie 0KB 3KB [ 65.903796] ip_fib_alias 0KB 3KB [ 65.909159] ip_dst_cache 4KB 7KB [ 65.914528] RAW 5KB 7KB [ 65.919875] UDP 32KB 39KB [ 65.925237] request_sock_TCP 0KB 3KB [ 65.930604] TCP 7KB 7KB [ 65.935954] hugetlbfs_inode_cache 1KB 7KB [ 65.941666] eventpoll_pwq 9KB 11KB [ 65.947032] eventpoll_epi 17KB 23KB [ 65.952393] inotify_inode_mark 3KB 7KB [ 65.957836] request_queue 31KB 39KB [ 65.963196] blkdev_ioc 20KB 23KB [ 65.968553] bio-0 277KB 277KB [ 65.973904] biovec-(1<<(21-12)) 478KB 478KB [ 65.979442] biovec-64 94KB 102KB [ 65.984802] biovec-16 10KB 11KB [ 65.990152] bio_integrity_payload 0KB 4KB [ 65.995856] khugepaged_mm_slot 1KB 3KB [ 66.001311] uid_cache 1KB 3KB [ 66.006670] dmaengine-unmap-2 0KB 3KB [ 66.012022] audit_buffer 0KB 3KB [ 66.017389] skbuff_fclone_cache 131KB 135KB [ 66.022925] skbuff_head_cache 1842KB 1845KB [ 66.028275] configfs_dir_cache 0KB 4KB [ 66.033731] file_lock_cache 157KB 158KB [ 66.039097] file_lock_ctx 1KB 3KB [ 66.044455] fsnotify_mark_connector 2KB 3KB [ 66.050325] shmem_inode_cache 1041KB 1042KB [ 66.055689] task_delay_info 308KB 359KB [ 66.061058] sigqueue 349KB 358KB [ 66.066413] kernfs_node_cache 2156KB 2157KB [ 66.071775] mnt_cache 15KB 20KB [ 66.077137] filp 8611KB 8730KB [ 66.082503] names_cache 112484KB 112523KB [ 66.087854] avc_node 38KB 43KB [ 66.093213] selinux_file_security 433KB 453KB [ 66.098917] selinux_inode_security 1922KB 1924KB [ 66.104699] key_jar 3KB 7KB [ 66.110046] nsproxy 0KB 3KB [ 66.115408] vm_area_struct 17959KB 17963KB [ 66.120763] mm_struct 4307KB 4312KB [ 66.126112] fs_cache 411KB 456KB [ 66.131472] files_cache 1511KB 1511KB [ 66.136829] signal_cache 2412KB 2415KB [ 66.142176] sighand_cache 228KB 284KB [ 66.147539] task_struct 10290KB 10290KB [ 66.152894] cred_jar 2280KB 2284KB [ 66.158244] anon_vma_chain 7457KB 7461KB [ 66.163605] anon_vma 158KB 288KB [ 66.168972] pid 214KB 260KB [ 66.174322] Acpi-Operand 106KB 170KB [ 66.179687] Acpi-Namespace 19KB 23KB [ 66.185054] numa_policy 0KB 3KB [ 66.190409] debug_objects_cache 418KB 419KB [ 66.195931] trace_event_file 144KB 147KB [ 66.201290] ftrace_event_field 254KB 255KB [ 66.206735] pool_workqueue 22KB 28KB [ 66.212349] page->ptl 2951KB 2952KB [ 66.217730] kmalloc-262144 1032KB 1032KB [ 66.223096] kmalloc-131072 650KB 650KB [ 66.228453] kmalloc-65536 264KB 264KB [ 66.233799] kmalloc-32768 627KB 627KB [ 66.239158] kmalloc-16384 148KB 148KB [ 66.244514] kmalloc-8192 453KB 453KB [ 66.249860] kmalloc-4096 8512KB 8551KB [ 66.255220] kmalloc-2048 3125KB 3130KB [ 66.260576] kmalloc-1024 3543KB 3543KB [ 66.265922] kmalloc-512 2670KB 2936KB [ 66.271282] kmalloc-256 2080KB 2448KB [ 66.276636] kmalloc-128 397KB 519KB [ 66.281983] kmalloc-96 2044KB 2044KB [ 66.287343] kmalloc-64 2452KB 2452KB [ 66.292699] kmalloc-32 2397KB 2397KB [ 66.298111] kmalloc-192 900KB 900KB [ 66.303484] kmem_cache 100KB 105KB [ 66.308839] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 66.317511] [ 1771] 0 1771 5385 184 90112 0 -1000 udevd [ 66.325753] [ 3186] 0 3186 2493 572 65536 0 0 dhclient [ 66.334506] [ 3339] 0 3339 14265 174 114688 0 0 rsyslogd [ 66.342904] [ 3390] 0 3390 4725 51 81920 0 0 cron [ 66.350951] [ 3402] 0 3402 3736 45 65536 0 0 mcstransd [ 66.359444] [ 3421] 0 3421 12927 1227 135168 0 0 restorecond [ 66.368106] [ 3432] 0 3432 12490 152 135168 0 -1000 sshd [ 66.376169] [ 3464] 0 3464 3694 41 73728 0 0 getty [ 66.384322] [ 3465] 0 3465 3694 40 77824 0 0 getty [ 66.392476] [ 3466] 0 3466 3694 42 69632 0 0 getty [ 66.400630] [ 3467] 0 3467 3694 40 77824 0 0 getty [ 66.408776] [ 3468] 0 3468 3694 42 73728 0 0 getty [ 66.416907] [ 3469] 0 3469 3694 40 77824 0 0 getty [ 66.425047] [ 3470] 0 3470 3649 39 73728 0 0 getty [ 66.433179] [ 3473] 0 3473 5681 454 90112 0 -1000 udevd [ 66.441697] [ 3474] 0 3474 5681 454 90112 0 -1000 udevd [ 66.449830] [ 3494] 0 3494 17821 197 188416 0 0 sshd [ 66.457876] [ 3496] 0 3496 237 1 28672 0 0 syzkaller344680 [ 66.466873] [ 3497] 0 3497 4332 521 32768 0 0 syzkaller344680 [ 66.475879] [ 3498] 0 3498 4332 521 32768 0 0 syzkaller344680 [ 66.484877] [ 3499] 0 3499 4332 521 32768 0 0 syzkaller344680 [ 66.493877] [ 3500] 0 3500 4332 521 32768 0 0 syzkaller344680 [ 66.502875] [ 3501] 0 3501 4332 521 32768 0 0 syzkaller344680 [ 66.511876] [ 3502] 0 3502 4332 521 32768 0 0 syzkaller344680 [ 66.520872] [ 3503] 0 3503 4332 521 32768 0 0 syzkaller344680 [ 66.529875] [ 3504] 0 3504 4332 521 32768 0 0 syzkaller344680 [ 66.538874] Out of memory: Kill process 3421 (restorecond) score 0 or sacrifice child [ 66.547321] Killed process 3421 (restorecond) total-vm:51708kB, anon-rss:4920kB, file-rss:0kB, shmem-rss:0kB [ 66.560121] syzkaller344680 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 66.572598] syzkaller344680 cpuset=/ mems_allowed=0 [ 66.577871] CPU: 0 PID: 3503 Comm: syzkaller344680 Not tainted 4.15.0-rc7+ #167 [ 66.585299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.594627] Call Trace: [ 66.597190] dump_stack+0x194/0x257 [ 66.600793] ? arch_local_irq_restore+0x53/0x53 [ 66.605447] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 66.611292] dump_header+0x28c/0xe1e [ 66.614989] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 66.620146] ? print_irqtrace_events+0x270/0x270 [ 66.624874] ? pagefault_out_of_memory+0x152/0x152 [ 66.629772] ? check_noncircular+0x20/0x20 [ 66.633976] ? print_irqtrace_events+0x270/0x270 [ 66.638702] ? __lock_acquire+0x664/0x3e00 [ 66.642907] ? check_noncircular+0x20/0x20 [ 66.647114] ? find_held_lock+0x35/0x1d0 [ 66.651149] ? check_noncircular+0x20/0x20 [ 66.655353] ? task_will_free_mem+0x252/0xaa0 [ 66.659818] ? print_irqtrace_events+0x270/0x270 [ 66.664550] ? ___ratelimit+0x30d/0x630 [ 66.668495] ? lock_downgrade+0x980/0x980 [ 66.672620] ? lock_release+0xa40/0xa40 [ 66.676570] ? mark_held_locks+0xaf/0x100 [ 66.681046] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 66.686125] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 66.691110] ? trace_hardirqs_on+0xd/0x10 [ 66.695233] ? ___ratelimit+0x95/0x630 [ 66.699091] ? idr_get_free_cmn+0xfd0/0xfd0 [ 66.703380] ? check_noncircular+0x20/0x20 [ 66.707580] ? find_held_lock+0x138/0x1d0 [ 66.711709] oom_kill_process+0x8b5/0x14a0 [ 66.715917] ? has_ns_capability_noaudit+0x163/0x2a0 [ 66.720990] ? lock_downgrade+0x980/0x980 [ 66.725127] ? oom_evaluate_task+0x480/0x480 [ 66.729512] ? security_capable_noaudit+0x8b/0xc0 [ 66.734326] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 66.739397] ? has_capability+0x30/0x30 [ 66.743337] ? do_raw_spin_trylock+0x190/0x190 [ 66.747886] ? check_noncircular+0x20/0x20 [ 66.752095] ? has_capability_noaudit+0x24/0x30 [ 66.756732] ? oom_badness+0xd1/0x980 [ 66.760497] ? lock_release+0xa40/0xa40 [ 66.764439] ? do_try_to_free_pages+0xc53/0x1020 [ 66.769164] ? find_lock_task_mm+0x460/0x460 [ 66.773542] ? find_held_lock+0x35/0x1d0 [ 66.777579] ? out_of_memory+0xb3a/0x1220 [ 66.781694] ? lock_downgrade+0x980/0x980 [ 66.785817] ? lock_release+0xa40/0xa40 [ 66.789760] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 66.794663] ? oom_evaluate_task+0x284/0x480 [ 66.799046] out_of_memory+0x86d/0x1220 [ 66.802995] ? oom_killer_disable+0x310/0x310 [ 66.807459] ? mutex_trylock+0x23a/0x2d0 [ 66.811487] ? __lock_is_held+0xb6/0x140 [ 66.815521] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 66.820947] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 66.825781] ? warn_alloc+0x2b0/0x2b0 [ 66.829558] ? print_irqtrace_events+0x270/0x270 [ 66.834293] ? mutex_spin_on_owner+0x446/0xb50 [ 66.838856] ? __lock_acquire+0x664/0x3e00 [ 66.843063] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 66.848926] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 66.854618] ? __lock_is_held+0xb6/0x140 [ 66.858672] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 66.864545] ? __might_sleep+0x95/0x190 [ 66.868491] __alloc_pages_nodemask+0x9fb/0xd80 [ 66.873128] ? lock_release+0xa40/0xa40 [ 66.877075] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 66.882065] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 66.886965] ? print_irqtrace_events+0x270/0x270 [ 66.891697] ? __lock_is_held+0xb6/0x140 [ 66.895733] ? find_next_bit+0x27/0x30 [ 66.899592] pcpu_populate_chunk+0x1b3/0x880 [ 66.903979] pcpu_alloc+0x978/0x10e0 [ 66.907678] ? pcpu_free_area+0xa00/0xa00 [ 66.911795] ? vmap_page_range_noflush+0x523/0x720 [ 66.916705] ? retint_kernel+0x10/0x10 [ 66.920562] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 66.925548] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 66.930276] ? retint_kernel+0x10/0x10 [ 66.934140] __alloc_percpu_gfp+0x27/0x30 [ 66.938259] array_map_alloc+0x68a/0x830 [ 66.942295] SyS_bpf+0x7f8/0x4420 [ 66.945724] ? bpf_prog_get+0x20/0x20 [ 66.949493] ? __lock_acquire+0x664/0x3e00 [ 66.953701] ? perf_event_fork+0x30/0x30 [ 66.957738] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 66.962895] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 66.968056] ? vma_wants_writenotify+0x51/0x3b0 [ 66.972702] ? vma_wants_writenotify+0x3b0/0x3b0 [ 66.977444] ? vma_link+0xe9/0x170 [ 66.980961] ? mmap_region+0x52e/0x15a0 [ 66.984916] ? find_held_lock+0x35/0x1d0 [ 66.988947] ? check_noncircular+0x20/0x20 [ 66.993161] ? __handle_mm_fault+0x80e/0x3ce0 [ 66.997629] ? check_noncircular+0x20/0x20 [ 67.001829] ? __pmd_alloc+0x4e0/0x4e0 [ 67.005690] ? find_held_lock+0x35/0x1d0 [ 67.009725] ? handle_mm_fault+0x248/0x8d0 [ 67.013930] ? find_held_lock+0x35/0x1d0 [ 67.017973] ? __do_page_fault+0x5f7/0xc90 [ 67.022176] ? lock_downgrade+0x980/0x980 [ 67.026297] ? handle_mm_fault+0x410/0x8d0 [ 67.030498] ? down_read_trylock+0xdb/0x170 [ 67.034784] ? __do_page_fault+0x32d/0xc90 [ 67.038989] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 67.043539] ? vmacache_find+0x5f/0x280 [ 67.047482] ? vmacache_update+0xfe/0x130 [ 67.051615] ? up_read+0x1a/0x40 [ 67.054971] ? do_fast_syscall_32+0x156/0xf9d [ 67.059443] ? bpf_prog_get+0x20/0x20 [ 67.063214] do_fast_syscall_32+0x3ee/0xf9d [ 67.067511] ? do_int80_syscall_32+0x9d0/0x9d0 [ 67.072061] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 67.076803] ? syscall_return_slowpath+0x2ad/0x550 [ 67.081701] ? prepare_exit_to_usermode+0x340/0x340 [ 67.086685] ? retint_user+0x18/0x18 [ 67.090369] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.095183] entry_SYSENTER_compat+0x54/0x63 [ 67.100773] RIP: 0023:0xf7f30c79 [ 67.104364] RSP: 002b:00000000ffe8deec EFLAGS: 00000282 ORIG_RAX: 0000000000000165 [ 67.112039] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020c47fec [ 67.119277] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 67.127565] RBP: 00000000ffe8df38 R08: 0000000000000000 R09: 0000000000000000 [ 67.134804] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 67.142043] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 67.149398] Mem-Info: [ 67.151937] active_anon:6669 inactive_anon:61 isolated_anon:0 [ 67.151937] active_file:15 inactive_file:85 isolated_file:0 [ 67.151937] unevictable:0 dirty:0 writeback:0 unstable:0 [ 67.151937] slab_reclaimable:7202 slab_unreclaimable:83655 [ 67.151937] mapped:27 shmem:68 pagetables:318 bounce:0 [ 67.151937] free:25261 free_pcp:126 free_cma:0 [ 67.184331] Node 0 active_anon:26676kB inactive_anon:244kB active_file:60kB inactive_file:840kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:308kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 67.211496] 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 [ 67.237657] lowmem_reserve[]: 0 2871 6381 6381 [ 67.242244] Node 0 DMA32 free:44156kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 67.269397] lowmem_reserve[]: 0 0 3510 3510 [ 67.273718] Node 0 Normal free:39452kB min:37084kB low:46352kB high:55620kB active_anon:26676kB inactive_anon:244kB active_file:60kB inactive_file:1440kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3040kB pagetables:1272kB bounce:0kB free_pcp:844kB local_pcp:504kB free_cma:0kB [ 67.303045] lowmem_reserve[]: 0 0 0 0 [ 67.307767] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 67.321427] Node 0 DMA32: 3*4kB (UM) 2*8kB (U) 4*16kB (UM) 1*32kB (U) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 4*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44156kB [ 67.336672] Node 0 Normal: 336*4kB (UME) 536*8kB (UME) 325*16kB (UME) 214*32kB (UME) 110*64kB (UME) 38*128kB (ME) 26*256kB (UM) 6*512kB (ME) 0*1024kB 0*2048kB 0*4096kB = 39312kB [ 67.353234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 67.361818] 512 total pagecache pages [ 67.365618] 0 pages in swap cache [ 67.369076] Swap cache stats: add 0, delete 0, find 0/0 [ 67.374431] Free swap = 0kB [ 67.377442] Total swap = 0kB [ 67.380447] 1965979 pages RAM [ 67.383546] 0 pages HighMem/MovableOnly [ 67.387509] 327749 pages reserved [ 67.390964] Unreclaimable slab info: [ 67.394690] Name Used Total [ 67.400258] hashtab_node 118KB 119KB [ 67.405879] ebitmap_node 383KB 385KB [ 67.411241] avtab_node 1012KB 1013KB [ 67.416602] TIPC 1KB 7KB [ 67.421975] SCTPv6 2KB 4KB [ 67.427364] DCCPv6 2KB 7KB [ 67.432716] DCCP 2KB 6KB [ 67.438100] fib6_nodes 0KB 4KB [ 67.443459] ip6_dst_cache 6KB 11KB [ 67.450908] RAWv6 9KB 19KB [ 67.456530] UDPv6 12KB 14KB [ 67.461894] TCPv6 2KB 5KB [ 67.467268] sd_ext_cdb 0KB 3KB [ 67.472631] scsi_sense_cache 81KB 92KB [ 67.477995] virtio_scsi_cmd 16KB 16KB [ 67.483361] sgpool-128 8KB 8KB [ 67.488720] sgpool-64 4KB 6KB [ 67.494094] sgpool-32 94KB 94KB [ 67.501806] sgpool-16 33KB 33KB [ 67.507790] sgpool-8 161KB 161KB [ 67.513151] cfq_io_cq 15KB 15KB [ 67.518526] cfq_queue 27KB 27KB [ 67.525189] mqueue_inode_cache 1KB 7KB [ 67.531335] nfs_commit_data 3KB 7KB [ 67.536693] nfs_write_data 34KB 37KB [ 67.542058] jbd2_inode 1KB 3KB [ 67.547414] ext4_system_zone 0KB 3KB [ 67.552785] bio-1 1KB 3KB [ 67.558154] rpc_buffers 17KB 19KB [ 67.564037] rpc_tasks 2KB 3KB [ 67.569394] UNIX 777KB 780KB [ 67.574756] tcp_bind_bucket 0KB 4KB [ 67.580114] ip_fib_trie 0KB 3KB [ 67.585476] ip_fib_alias 0KB 3KB [ 67.590835] ip_dst_cache 4KB 7KB [ 67.596199] RAW 5KB 7KB [ 67.601557] UDP 32KB 39KB [ 67.606931] request_sock_TCP 0KB 3KB [ 67.612306] TCP 7KB 7KB [ 67.617660] hugetlbfs_inode_cache 1KB 7KB [ 67.623378] eventpoll_pwq 9KB 11KB [ 67.628742] eventpoll_epi 17KB 23KB [ 67.635061] inotify_inode_mark 3KB 7KB [ 67.640514] request_queue 31KB 39KB [ 67.647356] blkdev_ioc 23KB 23KB [ 67.653255] bio-0 288KB 288KB [ 67.658879] biovec-(1<<(21-12)) 478KB 478KB [ 67.664411] biovec-64 118KB 118KB [ 67.669775] biovec-16 15KB 15KB [ 67.675393] bio_integrity_payload 0KB 4KB [ 67.681102] khugepaged_mm_slot 1KB 3KB [ 67.686547] uid_cache 1KB 3KB [ 67.691912] dmaengine-unmap-2 0KB 3KB [ 67.697267] audit_buffer 0KB 3KB [ 67.702630] skbuff_fclone_cache 131KB 135KB [ 67.708158] skbuff_head_cache 1842KB 1845KB [ 67.713520] configfs_dir_cache 0KB 4KB [ 67.718960] file_lock_cache 157KB 158KB [ 67.724321] file_lock_ctx 1KB 3KB [ 67.729679] fsnotify_mark_connector 2KB 3KB [ 67.735567] shmem_inode_cache 1041KB 1042KB [ 67.740932] task_delay_info 308KB 359KB [ 67.746374] sigqueue 352KB 358KB [ 67.751764] kernfs_node_cache 2156KB 2157KB [ 67.757123] mnt_cache 15KB 20KB [ 67.762487] filp 8611KB 8730KB [ 67.767847] names_cache 112501KB 112523KB [ 67.774256] avc_node 38KB 43KB [ 67.779613] selinux_file_security 433KB 453KB [ 67.785323] selinux_inode_security 1922KB 1924KB [ 67.791112] key_jar 3KB 7KB [ 67.796472] nsproxy 0KB 3KB [ 67.803130] vm_area_struct 17959KB 17963KB [ 67.808491] mm_struct 4307KB 4312KB [ 67.813848] fs_cache 411KB 456KB [ 67.819208] files_cache 1511KB 1511KB [ 67.824564] signal_cache 2412KB 2415KB [ 67.829928] sighand_cache 228KB 284KB [ 67.835297] task_struct 10290KB 10290KB [ 67.840675] cred_jar 2280KB 2284KB [ 67.846032] anon_vma_chain 7457KB 7461KB [ 67.851392] anon_vma 158KB 288KB [ 67.856755] pid 214KB 260KB [ 67.862118] Acpi-Operand 106KB 170KB [ 67.867473] Acpi-Namespace 19KB 23KB [ 67.872834] numa_policy 0KB 3KB [ 67.878189] debug_objects_cache 418KB 419KB [ 67.883734] trace_event_file 144KB 147KB [ 67.889091] ftrace_event_field 254KB 255KB [ 67.894540] pool_workqueue 22KB 28KB [ 67.899896] page->ptl 2951KB 2952KB [ 67.905278] kmalloc-262144 1032KB 1032KB [ 67.910635] kmalloc-131072 650KB 650KB [ 67.915996] kmalloc-65536 264KB 264KB [ 67.921384] kmalloc-32768 627KB 627KB [ 67.926758] kmalloc-16384 148KB 148KB [ 67.932116] kmalloc-8192 453KB 453KB [ 67.937491] kmalloc-4096 8512KB 8551KB [ 67.942870] kmalloc-2048 3125KB 3130KB [ 67.948238] kmalloc-1024 3646KB 3646KB [ 67.953599] kmalloc-512 2670KB 2936KB [ 67.959311] kmalloc-256 2080KB 2448KB [ 67.964671] kmalloc-128 397KB 519KB [ 67.970050] kmalloc-96 2048KB 2048KB [ 67.975410] kmalloc-64 2452KB 2452KB [ 67.980774] kmalloc-32 2397KB 2397KB [ 67.986131] kmalloc-192 900KB 900KB [ 67.991494] kmem_cache 100KB 105KB [ 67.996856] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 68.006855] [ 1771] 0 1771 5385 184 90112 0 -1000 udevd [ 68.015708] [ 3186] 0 3186 2493 572 65536 0 0 dhclient [ 68.024124] [ 3339] 0 3339 14265 174 114688 0 0 rsyslogd [ 68.032533] [ 3390] 0 3390 4725 51 81920 0 0 cron [ 68.040598] [ 3402] 0 3402 3736 45 65536 0 0 mcstransd [ 68.049091] [ 3432] 0 3432 12490 152 135168 0 -1000 sshd [ 68.057154] [ 3464] 0 3464 3694 41 73728 0 0 getty [ 68.065295] [ 3465] 0 3465 3694 40 77824 0 0 getty [ 68.073450] [ 3466] 0 3466 3694 42 69632 0 0 getty [ 68.081775] [ 3467] 0 3467 3694 40 77824 0 0 getty [ 68.089929] [ 3468] 0 3468 3694 42 73728 0 0 getty [ 68.098082] [ 3469] 0 3469 3694 40 77824 0 0 getty [ 68.106242] [ 3470] 0 3470 3649 39 73728 0 0 getty [ 68.114395] [ 3473] 0 3473 5681 454 90112 0 -1000 udevd [ 68.122543] [ 3474] 0 3474 5681 454 90112 0 -1000 udevd [ 68.130695] [ 3494] 0 3494 17821 197 188416 0 0 sshd [ 68.138784] [ 3496] 0 3496 237 1 28672 0 0 syzkaller344680 [ 68.148502] [ 3497] 0 3497 4332 521 32768 0 0 syzkaller344680 [ 68.157540] [ 3498] 0 3498 4332 521 32768 0 0 syzkaller344680 [ 68.166557] [ 3499] 0 3499 4332 521 32768 0 0 syzkaller344680 [ 68.176035] [ 3500] 0 3500 4332 521 32768 0 0 syzkaller344680 [ 68.185405] [ 3501] 0 3501 4332 521 32768 0 0 syzkaller344680 [ 68.194430] [ 3502] 0 3502 4332 521 32768 0 0 syzkaller344680 [ 68.203447] [ 3503] 0 3503 4332 521 32768 0 0 syzkaller344680 [ 68.212475] [ 3504] 0 3504 4332 521 32768 0 0 syzkaller344680 [ 68.222974] Out of memory: Kill process 3186 (dhclient) score 0 or sacrifice child [ 68.230744] Killed process 3186 (dhclient) total-vm:9972kB, anon-rss:2288kB, file-rss:0kB, shmem-rss:0kB [ 68.355350] syzkaller344680 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 68.367910] syzkaller344680 cpuset=/ mems_allowed=0 [ 68.372956] CPU: 1 PID: 3497 Comm: syzkaller344680 Not tainted 4.15.0-rc7+ #167 [ 68.380379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.389970] Call Trace: [ 68.392631] dump_stack+0x194/0x257 [ 68.396248] ? arch_local_irq_restore+0x53/0x53 [ 68.400910] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 68.406099] dump_header+0x28c/0xe1e [ 68.409794] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 68.414950] ? print_irqtrace_events+0x270/0x270 [ 68.419678] ? pagefault_out_of_memory+0x152/0x152 [ 68.424595] ? check_noncircular+0x20/0x20 [ 68.429261] ? print_irqtrace_events+0x270/0x270 [ 68.433989] ? __lock_acquire+0x664/0x3e00 [ 68.438212] ? check_noncircular+0x20/0x20 [ 68.442758] ? find_held_lock+0x35/0x1d0 [ 68.446795] ? check_noncircular+0x20/0x20 [ 68.451000] ? task_will_free_mem+0x252/0xaa0 [ 68.456611] ? print_irqtrace_events+0x270/0x270 [ 68.461353] ? ___ratelimit+0x30d/0x630 [ 68.465295] ? lock_downgrade+0x980/0x980 [ 68.469417] ? lock_release+0xa40/0xa40 [ 68.473368] ? mark_held_locks+0xaf/0x100 [ 68.477488] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 68.482570] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 68.487564] ? trace_hardirqs_on+0xd/0x10 [ 68.491683] ? ___ratelimit+0x95/0x630 [ 68.495542] ? idr_get_free_cmn+0xfd0/0xfd0 [ 68.499831] ? check_noncircular+0x20/0x20 [ 68.504033] ? find_held_lock+0x138/0x1d0 [ 68.508156] oom_kill_process+0x8b5/0x14a0 [ 68.512363] ? has_ns_capability_noaudit+0x163/0x2a0 [ 68.517436] ? lock_downgrade+0x980/0x980 [ 68.521555] ? oom_evaluate_task+0x480/0x480 [ 68.525949] ? security_capable_noaudit+0x8b/0xc0 [ 68.530763] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 68.535832] ? has_capability+0x30/0x30 [ 68.540211] ? do_raw_spin_trylock+0x190/0x190 [ 68.544933] ? check_noncircular+0x20/0x20 [ 68.549140] ? has_capability_noaudit+0x24/0x30 [ 68.553774] ? oom_badness+0xd1/0x980 [ 68.557541] ? lock_release+0xa40/0xa40 [ 68.561480] ? do_try_to_free_pages+0xc53/0x1020 [ 68.566204] ? find_lock_task_mm+0x460/0x460 [ 68.570583] ? find_held_lock+0x35/0x1d0 [ 68.574618] ? out_of_memory+0xb3a/0x1220 [ 68.578734] ? lock_downgrade+0x980/0x980 [ 68.582851] ? lock_release+0xa40/0xa40 [ 68.587239] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 68.592140] ? oom_evaluate_task+0x284/0x480 [ 68.596527] out_of_memory+0x86d/0x1220 [ 68.600477] ? oom_killer_disable+0x310/0x310 [ 68.604937] ? mutex_trylock+0x23a/0x2d0 [ 68.608964] ? __lock_is_held+0xb6/0x140 [ 68.612992] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 68.618424] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 68.623256] ? warn_alloc+0x2b0/0x2b0 [ 68.627026] ? check_noncircular+0x20/0x20 [ 68.631226] ? check_preempt_wakeup+0x426/0xb20 [ 68.635866] ? print_irqtrace_events+0x270/0x270 [ 68.640591] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 68.645754] ? lock_acquire+0x1d5/0x580 [ 68.649696] ? lock_acquire+0x1d5/0x580 [ 68.653640] ? __lock_acquire+0x664/0x3e00 [ 68.657844] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 68.663706] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 68.668879] ? __lock_is_held+0xb6/0x140 [ 68.672919] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 68.678778] ? __might_sleep+0x95/0x190 [ 68.682724] __alloc_pages_nodemask+0x9fb/0xd80 [ 68.687358] ? lock_release+0xa40/0xa40 [ 68.691301] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 68.696291] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 68.701189] ? print_irqtrace_events+0x270/0x270 [ 68.705915] ? __lock_is_held+0xb6/0x140 [ 68.709951] ? find_next_bit+0x27/0x30 [ 68.713811] pcpu_populate_chunk+0x1b3/0x880 [ 68.718196] pcpu_alloc+0x978/0x10e0 [ 68.721892] ? pcpu_free_area+0xa00/0xa00 [ 68.726014] ? vmap_page_range_noflush+0x523/0x720 [ 68.730919] ? retint_kernel+0x10/0x10 [ 68.734776] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 68.739766] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 68.744495] ? retint_kernel+0x10/0x10 [ 68.748360] ? pcpu_alloc+0x184/0x10e0 [ 68.752221] __alloc_percpu_gfp+0x27/0x30 [ 68.756336] array_map_alloc+0x68a/0x830 [ 68.760371] SyS_bpf+0x7f8/0x4420 [ 68.763797] ? bpf_prog_get+0x20/0x20 [ 68.767563] ? __lock_acquire+0x664/0x3e00 [ 68.771769] ? perf_event_fork+0x30/0x30 [ 68.775805] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 68.780959] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 68.786119] ? vma_wants_writenotify+0x51/0x3b0 [ 68.790760] ? vma_wants_writenotify+0x3b0/0x3b0 [ 68.795486] ? vma_link+0xe9/0x170 [ 68.799001] ? mmap_region+0x52e/0x15a0 [ 68.802953] ? find_held_lock+0x35/0x1d0 [ 68.806979] ? check_noncircular+0x20/0x20 [ 68.811186] ? __handle_mm_fault+0x80e/0x3ce0 [ 68.815653] ? check_noncircular+0x20/0x20 [ 68.819854] ? __pmd_alloc+0x4e0/0x4e0 [ 68.823715] ? find_held_lock+0x35/0x1d0 [ 68.827748] ? handle_mm_fault+0x248/0x8d0 [ 68.831951] ? find_held_lock+0x35/0x1d0 [ 68.835986] ? __do_page_fault+0x5f7/0xc90 [ 68.840186] ? lock_downgrade+0x980/0x980 [ 68.844308] ? handle_mm_fault+0x410/0x8d0 [ 68.848508] ? down_read_trylock+0xdb/0x170 [ 68.852800] ? __do_page_fault+0x32d/0xc90 [ 68.857261] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 68.861810] ? vmacache_find+0x5f/0x280 [ 68.865750] ? vmacache_update+0xfe/0x130 [ 68.869872] ? up_read+0x1a/0x40 [ 68.873214] ? do_fast_syscall_32+0x156/0xf9d [ 68.877679] ? bpf_prog_get+0x20/0x20 [ 68.881447] do_fast_syscall_32+0x3ee/0xf9d [ 68.885739] ? do_int80_syscall_32+0x9d0/0x9d0 [ 68.890285] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 68.895017] ? syscall_return_slowpath+0x2ad/0x550 [ 68.899915] ? prepare_exit_to_usermode+0x340/0x340 [ 68.904899] ? retint_user+0x18/0x18 [ 68.908584] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.913400] entry_SYSENTER_compat+0x54/0x63 [ 68.917773] RIP: 0023:0xf7f30c79 [ 68.921102] RSP: 002b:00000000ffe8deec EFLAGS: 00000282 ORIG_RAX: 0000000000000165 [ 68.928776] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020c47fec [ 68.936014] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 68.943253] RBP: 00000000ffe8df38 R08: 0000000000000000 R09: 0000000000000000 [ 68.950487] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 68.957721] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 68.965067] Mem-Info: [ 68.967531] active_anon:6098 inactive_anon:61 isolated_anon:0 [ 68.967531] active_file:15 inactive_file:15 isolated_file:0 [ 68.967531] unevictable:0 dirty:0 writeback:0 unstable:0 [ 68.967531] slab_reclaimable:7221 slab_unreclaimable:83735 [ 68.967531] mapped:3 shmem:68 pagetables:308 bounce:0 [ 68.967531] free:24110 free_pcp:52 free_cma:0 [ 69.000014] Node 0 active_anon:24392kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 69.028658] 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 [ 69.056155] lowmem_reserve[]: 0 2871 6381 6381 [ 69.060738] Node 0 DMA32 free:44156kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 69.087888] lowmem_reserve[]: 0 0 3510 3510 [ 69.092205] Node 0 Normal free:36376kB min:37084kB low:46352kB high:55620kB active_anon:24392kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3008kB pagetables:1232kB bounce:0kB free_pcp:208kB local_pcp:120kB free_cma:0kB [ 69.121036] lowmem_reserve[]: 0 0 0 0 [ 69.124853] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 69.138419] Node 0 DMA32: 3*4kB (UM) 2*8kB (U) 4*16kB (UM) 1*32kB (U) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 4*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44156kB [ 69.153647] Node 0 Normal: 542*4kB (UME) 440*8kB (ME) 278*16kB (UME) 192*32kB (UME) 106*64kB (UME) 40*128kB (UM) 26*256kB (M) 3*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36376kB [ 69.169479] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 69.178043] 98 total pagecache pages [ 69.181756] 0 pages in swap cache [ 69.185209] Swap cache stats: add 0, delete 0, find 0/0 [ 69.190564] Free swap = 0kB [ 69.193577] Total swap = 0kB [ 69.196586] 1965979 pages RAM [ 69.199686] 0 pages HighMem/MovableOnly [ 69.203909] 327749 pages reserved [ 69.209092] Unreclaimable slab info: [ 69.212970] Name Used Total [ 69.218498] hashtab_node 118KB 119KB [ 69.223846] ebitmap_node 383KB 385KB [ 69.229210] avtab_node 1012KB 1013KB [ 69.234570] TIPC 1KB 7KB [ 69.239920] SCTPv6 2KB 4KB [ 69.245285] DCCPv6 2KB 7KB [ 69.250651] DCCP 2KB 6KB [ 69.256024] fib6_nodes 0KB 4KB [ 69.261382] ip6_dst_cache 6KB 11KB [ 69.266741] RAWv6 9KB 19KB [ 69.272090] UDPv6 12KB 14KB [ 69.277453] TCPv6 2KB 5KB [ 69.282819] sd_ext_cdb 0KB 3KB [ 69.288167] scsi_sense_cache 89KB 92KB [ 69.293527] virtio_scsi_cmd 16KB 16KB [ 69.298886] sgpool-128 8KB 8KB [ 69.304235] sgpool-64 4KB 6KB [ 69.309594] sgpool-32 102KB 102KB [ 69.314951] sgpool-16 33KB 33KB [ 69.320301] sgpool-8 165KB 165KB [ 69.325667] cfq_io_cq 15KB 15KB [ 69.331035] cfq_queue 27KB 27KB [ 69.336391] mqueue_inode_cache 1KB 7KB [ 69.341827] nfs_commit_data 3KB 7KB [ 69.347189] nfs_write_data 34KB 37KB [ 69.352545] jbd2_inode 1KB 3KB [ 69.357894] ext4_system_zone 0KB 3KB [ 69.363262] bio-1 1KB 3KB [ 69.368624] rpc_buffers 17KB 19KB [ 69.373969] rpc_tasks 2KB 3KB [ 69.379336] UNIX 777KB 780KB [ 69.384695] tcp_bind_bucket 0KB 4KB [ 69.390045] ip_fib_trie 0KB 3KB [ 69.395407] ip_fib_alias 0KB 3KB [ 69.400767] ip_dst_cache 4KB 7KB [ 69.406823] RAW 5KB 7KB [ 69.412433] UDP 32KB 39KB [ 69.417780] request_sock_TCP 0KB 3KB [ 69.423143] TCP 7KB 7KB [ 69.428500] hugetlbfs_inode_cache 1KB 7KB [ 69.434202] eventpoll_pwq 9KB 11KB [ 69.439566] eventpoll_epi 17KB 23KB [ 69.444924] inotify_inode_mark 3KB 7KB [ 69.450365] request_queue 31KB 39KB [ 69.455731] blkdev_ioc 23KB 23KB [ 69.461096] bio-0 292KB 292KB [ 69.466461] biovec-(1<<(21-12)) 528KB 528KB [ 69.472857] biovec-64 126KB 126KB [ 69.480731] biovec-16 15KB 15KB [ 69.487134] bio_integrity_payload 0KB 4KB [ 69.492841] khugepaged_mm_slot 1KB 3KB [ 69.498284] uid_cache 1KB 3KB [ 69.503648] dmaengine-unmap-2 0KB 3KB [ 69.509041] audit_buffer 0KB 3KB [ 69.514400] skbuff_fclone_cache 131KB 135KB [ 69.519922] skbuff_head_cache 1842KB 1845KB [ 69.525308] configfs_dir_cache 0KB 4KB [ 69.531651] file_lock_cache 157KB 158KB [ 69.538493] file_lock_ctx 1KB 3KB [ 69.543843] fsnotify_mark_connector 2KB 3KB [ 69.549729] shmem_inode_cache 1041KB 1042KB [ 69.555093] task_delay_info 308KB 359KB [ 69.560450] sigqueue 352KB 358KB [ 69.565796] kernfs_node_cache 2156KB 2157KB [ 69.571155] mnt_cache 15KB 20KB [ 69.576510] filp 8611KB 8730KB [ 69.581860] names_cache 112501KB 112523KB [ 69.587225] avc_node 38KB 43KB [ 69.592583] selinux_file_security 433KB 453KB [ 69.598281] selinux_inode_security 1922KB 1924KB [ 69.604065] key_jar 3KB 7KB [ 69.609428] nsproxy 0KB 3KB [ 69.614787] vm_area_struct 17959KB 17963KB [ 69.620134] mm_struct 4307KB 4312KB [ 69.625494] fs_cache 411KB 456KB [ 69.630855] files_cache 1511KB 1511KB [ 69.636205] signal_cache 2412KB 2415KB [ 69.641570] sighand_cache 228KB 284KB [ 69.646925] task_struct 10290KB 10290KB [ 69.652273] cred_jar 2280KB 2284KB [ 69.657633] anon_vma_chain 7457KB 7461KB [ 69.662990] anon_vma 158KB 288KB [ 69.668606] pid 214KB 260KB [ 69.673952] Acpi-Operand 106KB 170KB [ 69.679316] Acpi-Namespace 19KB 23KB [ 69.684672] numa_policy 0KB 3KB [ 69.690756] debug_objects_cache 418KB 419KB [ 69.696282] trace_event_file 144KB 147KB [ 69.701646] ftrace_event_field 254KB 255KB [ 69.707783] pool_workqueue 22KB 28KB [ 69.713147] page->ptl 2951KB 2952KB [ 69.718517] kmalloc-262144 1032KB 1032KB [ 69.723866] kmalloc-131072 650KB 650KB [ 69.729276] kmalloc-65536 264KB 264KB [ 69.734636] kmalloc-32768 627KB 627KB [ 69.739982] kmalloc-16384 148KB 148KB [ 69.745343] kmalloc-8192 453KB 453KB [ 69.750791] kmalloc-4096 8512KB 8551KB [ 69.756139] kmalloc-2048 3125KB 3130KB [ 69.761503] kmalloc-1024 3693KB 3693KB [ 69.766863] kmalloc-512 2670KB 2936KB [ 69.772223] kmalloc-256 2080KB 2448KB [ 69.777588] kmalloc-128 397KB 519KB [ 69.782943] kmalloc-96 2052KB 2052KB [ 69.788294] kmalloc-64 2452KB 2452KB [ 69.793655] kmalloc-32 2397KB 2397KB [ 69.799034] kmalloc-192 900KB 900KB [ 69.804394] kmem_cache 100KB 105KB [ 69.809750] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 69.818339] [ 1771] 0 1771 5385 184 90112 0 -1000 udevd [ 69.826476] [ 3339] 0 3339 14265 173 114688 0 0 rsyslogd [ 69.834881] [ 3390] 0 3390 4725 51 81920 0 0 cron [ 69.842926] [ 3402] 0 3402 3736 45 65536 0 0 mcstransd [ 69.851420] [ 3432] 0 3432 12490 152 135168 0 -1000 sshd [ 69.859575] [ 3464] 0 3464 3694 41 73728 0 0 getty [ 69.867747] [ 3465] 0 3465 3694 40 77824 0 0 getty [ 69.875887] [ 3466] 0 3466 3694 42 69632 0 0 getty [ 69.884031] [ 3467] 0 3467 3694 40 77824 0 0 getty [ 69.892165] [ 3468] 0 3468 3694 42 73728 0 0 getty [ 69.902127] [ 3469] 0 3469 3694 40 77824 0 0 getty [ 69.910262] [ 3470] 0 3470 3649 39 73728 0 0 getty [ 69.919281] [ 3473] 0 3473 5681 454 90112 0 -1000 udevd [ 69.927438] [ 3474] 0 3474 5681 454 90112 0 -1000 udevd [ 69.935593] [ 3494] 0 3494 17821 197 188416 0 0 sshd [ 69.943660] [ 3496] 0 3496 237 1 28672 0 0 syzkaller344680 [ 69.952667] [ 3497] 0 3497 4332 521 32768 0 0 syzkaller344680 [ 69.961685] [ 3498] 0 3498 4332 521 32768 0 0 syzkaller344680 [ 69.970692] [ 3499] 0 3499 4332 521 32768 0 0 syzkaller344680 [ 69.979954] [ 3500] 0 3500 4332 521 32768 0 0 syzkaller344680 [ 69.988965] [ 3501] 0 3501 4332 521 32768 0 0 syzkaller344680 [ 69.997963] [ 3502] 0 3502 4332 521 32768 0 0 syzkaller344680 [ 70.006965] [ 3503] 0 3503 4332 521 32768 0 0 syzkaller344680 [ 70.015981] [ 3504] 0 3504 4332 521 32768 0 0 syzkaller344680 [ 70.024986] Out of memory: Kill process 3497 (syzkaller344680) score 0 or sacrifice child [ 70.033325] Killed process 3497 (syzkaller344680) total-vm:17328kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 70.044300] oom_reaper: reaped process 3497 (syzkaller344680), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 70.071606] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 70.083062] rsyslogd cpuset=/ mems_allowed=0 [ 70.088365] CPU: 1 PID: 3342 Comm: rsyslogd Not tainted 4.15.0-rc7+ #167 [ 70.095184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.104518] Call Trace: [ 70.107093] dump_stack+0x194/0x257 [ 70.110710] ? arch_local_irq_restore+0x53/0x53 [ 70.115363] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 70.120549] dump_header+0x28c/0xe1e [ 70.124257] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 70.129434] ? pagefault_out_of_memory+0x152/0x152 [ 70.134347] ? check_noncircular+0x20/0x20 [ 70.138917] ? print_irqtrace_events+0x270/0x270 [ 70.143661] ? __lock_acquire+0x664/0x3e00 [ 70.147881] ? check_noncircular+0x20/0x20 [ 70.152107] ? find_held_lock+0x35/0x1d0 [ 70.156160] ? check_noncircular+0x20/0x20 [ 70.160375] ? task_will_free_mem+0x252/0xaa0 [ 70.166165] ? print_irqtrace_events+0x270/0x270 [ 70.172656] ? ___ratelimit+0x30d/0x630 [ 70.176960] ? lock_downgrade+0x980/0x980 [ 70.181095] ? lock_release+0xa40/0xa40 [ 70.185063] ? mark_held_locks+0xaf/0x100 [ 70.189193] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 70.194283] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 70.199283] ? trace_hardirqs_on+0xd/0x10 [ 70.203416] ? ___ratelimit+0x95/0x630 [ 70.207286] ? idr_get_free_cmn+0xfd0/0xfd0 [ 70.211588] ? check_noncircular+0x20/0x20 [ 70.215799] ? find_held_lock+0x138/0x1d0 [ 70.219939] oom_kill_process+0x8b5/0x14a0 [ 70.224164] ? has_ns_capability_noaudit+0x163/0x2a0 [ 70.229252] ? lock_downgrade+0x980/0x980 [ 70.233387] ? oom_evaluate_task+0x480/0x480 [ 70.237797] ? security_capable_noaudit+0x8b/0xc0 [ 70.242628] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 70.247716] ? has_capability+0x30/0x30 [ 70.251675] ? do_raw_spin_trylock+0x190/0x190 [ 70.256236] ? check_noncircular+0x20/0x20 [ 70.260462] ? has_capability_noaudit+0x24/0x30 [ 70.265116] ? oom_badness+0xd1/0x980 [ 70.268897] ? lock_release+0xa40/0xa40 [ 70.272853] ? do_try_to_free_pages+0xc53/0x1020 [ 70.277593] ? find_lock_task_mm+0x460/0x460 [ 70.281994] ? find_held_lock+0x35/0x1d0 [ 70.286046] ? out_of_memory+0xb3a/0x1220 [ 70.290176] ? lock_downgrade+0x980/0x980 [ 70.294313] ? lock_release+0xa40/0xa40 [ 70.298273] ? lock_acquire+0x1d5/0x580 [ 70.302228] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 70.307150] ? oom_evaluate_task+0x284/0x480 [ 70.311547] out_of_memory+0x86d/0x1220 [ 70.315500] ? trace_hardirqs_on+0xd/0x10 [ 70.319640] ? oom_killer_disable+0x310/0x310 [ 70.324111] ? mutex_trylock+0x23a/0x2d0 [ 70.328160] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 70.334986] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 70.342432] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 70.347304] ? warn_alloc+0x2b0/0x2b0 [ 70.351085] ? lock_downgrade+0x980/0x980 [ 70.355256] ? find_get_entry+0x53c/0x9e0 [ 70.359408] ? print_irqtrace_events+0x270/0x270 [ 70.364156] ? __lock_acquire+0x664/0x3e00 [ 70.368426] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 70.374657] ? __might_sleep+0x95/0x190 [ 70.380011] __alloc_pages_nodemask+0x9fb/0xd80 [ 70.385105] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 70.390104] ? add_to_page_cache_lru+0x510/0x510 [ 70.394855] ? check_noncircular+0x20/0x20 [ 70.399068] ? check_noncircular+0x20/0x20 [ 70.403292] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 70.408060] alloc_pages_current+0xb6/0x1e0 [ 70.412385] __page_cache_alloc+0x334/0x500 [ 70.416695] ? rcu_read_lock_held+0xa9/0xc0 [ 70.421000] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 70.428707] filemap_fault+0xefc/0x1c20 [ 70.432662] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 70.437855] ? __lock_page_or_retry+0x4f0/0x4f0 [ 70.443432] ? filemap_map_pages+0x942/0x15d0 [ 70.447931] ? find_get_entries_tag+0xeb0/0xeb0 [ 70.452579] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 70.457757] ? __is_insn_slot_addr+0x1fc/0x330 [ 70.462325] ? lock_downgrade+0x980/0x980 [ 70.466457] ? check_noncircular+0x20/0x20 [ 70.470682] ? print_irqtrace_events+0x270/0x270 [ 70.475416] ? print_irqtrace_events+0x270/0x270 [ 70.480160] ? __lock_is_held+0xb6/0x140 [ 70.484222] ? lock_acquire+0x1d5/0x580 [ 70.488174] ? lock_acquire+0x1d5/0x580 [ 70.492128] ? ext4_filemap_fault+0x7a/0xad [ 70.496436] ? __lock_acquire+0x664/0x3e00 [ 70.500656] ? lock_release+0xa40/0xa40 [ 70.505045] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 70.511705] ? rcu_note_context_switch+0x710/0x710 [ 70.516624] ? __might_sleep+0x95/0x190 [ 70.520586] ? down_read+0x96/0x150 [ 70.524191] ? ext4_filemap_fault+0x7a/0xad [ 70.528493] ? __down_interruptible+0x6b0/0x6b0 [ 70.533144] ? finish_task_switch+0x1d3/0x740 [ 70.537621] ? lock_downgrade+0x980/0x980 [ 70.541758] ext4_filemap_fault+0x82/0xad [ 70.545889] __do_fault+0xeb/0x30f [ 70.549413] ? pte_offset_kernel+0xc7/0xc7 [ 70.553634] ? _raw_spin_unlock_irq+0x27/0x70 [ 70.558114] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 70.563115] ? check_noncircular+0x20/0x20 [ 70.567332] ? finish_task_switch+0x1d3/0x740 [ 70.571813] __handle_mm_fault+0x1d8f/0x3ce0 [ 70.576216] ? __pmd_alloc+0x4e0/0x4e0 [ 70.580100] ? find_held_lock+0x35/0x1d0 [ 70.584154] ? handle_mm_fault+0x248/0x8d0 [ 70.590028] ? lock_downgrade+0x980/0x980 [ 70.595373] handle_mm_fault+0x334/0x8d0 [ 70.599413] ? down_read_trylock+0xdb/0x170 [ 70.603713] ? __do_page_fault+0x32d/0xc90 [ 70.607930] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 70.612493] ? vmacache_find+0x5f/0x280 [ 70.616446] ? vmacache_update+0xfe/0x130 [ 70.620580] ? find_vma+0x30/0x150 [ 70.624109] __do_page_fault+0x5c9/0xc90 [ 70.628152] ? vfs_copy_file_range+0x940/0x940 [ 70.632730] ? mm_fault_error+0x2c0/0x2c0 [ 70.636855] ? exit_to_usermode_loop+0x8c/0x310 [ 70.641523] do_page_fault+0xee/0x720 [ 70.645304] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 70.650826] ? __do_page_fault+0xc90/0xc90 [ 70.655056] ? syscall_return_slowpath+0x2ad/0x550 [ 70.659968] ? prepare_exit_to_usermode+0x340/0x340 [ 70.664964] ? SyS_read+0x184/0x220 [ 70.668573] ? return_from_SYSCALL_64+0x10/0x75 [ 70.673224] ? page_fault+0x36/0x60 [ 70.676838] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.681670] ? page_fault+0x36/0x60 [ 70.685281] page_fault+0x4c/0x60 [ 70.688712] RIP: 0033:0x7f93553be1fd [ 70.692403] RSP: 002b:00007f935295de30 EFLAGS: 00010293 [ 70.697745] RAX: 0000000000000ff2 RBX: 00000000021a64b0 RCX: 00007f93553be1fd [ 70.705000] RDX: 0000000000000fff RSI: 00007f93541925a0 RDI: 0000000000000004 [ 70.712247] RBP: 0000000000000000 R08: 0000000002191260 R09: 0000000004000001 [ 70.719495] R10: 0000000000000001 R11: 0000000000000293 R12: 000000000065e420 [ 70.726754] R13: 00007f935295e9c0 R14: 00007f9355a03040 R15: 0000000000000003 [ 70.734071] Mem-Info: [ 70.736501] active_anon:5581 inactive_anon:61 isolated_anon:0 [ 70.736501] active_file:25 inactive_file:0 isolated_file:0 [ 70.736501] unevictable:0 dirty:0 writeback:0 unstable:0 [ 70.736501] slab_reclaimable:7221 slab_unreclaimable:83735 [ 70.736501] mapped:3 shmem:68 pagetables:307 bounce:0 [ 70.736501] free:24279 free_pcp:40 free_cma:0 [ 70.768680] Node 0 active_anon:22324kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 70.795672] 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 [ 70.821804] lowmem_reserve[]: 0 2871 6381 6381 [ 70.826417] Node 0 DMA32 free:44156kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 70.853593] lowmem_reserve[]: 0 0 3510 3510 [ 70.858985] Node 0 Normal free:37052kB min:37084kB low:46352kB high:55620kB active_anon:22324kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3008kB pagetables:1228kB bounce:0kB free_pcp:160kB local_pcp:8kB free_cma:0kB [ 70.888198] lowmem_reserve[]: 0 0 0 0 [ 70.892041] 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 [ 70.906917] Node 0 DMA32: 3*4kB (UM) 2*8kB (U) 4*16kB (UM) 1*32kB (U) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 4*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44156kB [ 70.922241] Node 0 Normal: 541*4kB (ME) 441*8kB (UME) 278*16kB (UME) 191*32kB (ME) 105*64kB (ME) 40*128kB (UM) 27*256kB (UM) 2*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 37052kB [ 70.938317] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 70.946896] 98 total pagecache pages [ 70.950618] 0 pages in swap cache [ 70.954074] Swap cache stats: add 0, delete 0, find 0/0 [ 70.959439] Free swap = 0kB [ 70.962459] Total swap = 0kB [ 70.965479] 1965979 pages RAM [ 70.968586] 0 pages HighMem/MovableOnly [ 70.972560] 327749 pages reserved [ 70.976103] Unreclaimable slab info: [ 70.979902] Name Used Total [ 70.985478] hashtab_node 118KB 119KB [ 70.990851] ebitmap_node 383KB 385KB [ 70.996223] avtab_node 1012KB 1013KB [ 71.001597] TIPC 1KB 7KB [ 71.006975] SCTPv6 2KB 4KB [ 71.012349] DCCPv6 2KB 7KB [ 71.017727] DCCP 2KB 6KB [ 71.023113] fib6_nodes 0KB 4KB [ 71.028484] ip6_dst_cache 6KB 11KB [ 71.033858] RAWv6 9KB 19KB [ 71.039227] UDPv6 12KB 14KB [ 71.044599] TCPv6 2KB 5KB [ 71.049985] sd_ext_cdb 0KB 3KB [ 71.055355] scsi_sense_cache 89KB 92KB [ 71.060726] virtio_scsi_cmd 16KB 16KB [ 71.066099] sgpool-128 8KB 8KB [ 71.071467] sgpool-64 4KB 6KB [ 71.076838] sgpool-32 102KB 102KB [ 71.082206] sgpool-16 33KB 33KB [ 71.088444] sgpool-8 165KB 165KB [ 71.093818] cfq_io_cq 15KB 15KB [ 71.099185] cfq_queue 27KB 27KB [ 71.104558] mqueue_inode_cache 1KB 7KB [ 71.110036] nfs_commit_data 3KB 7KB [ 71.115408] nfs_write_data 34KB 37KB [ 71.120780] jbd2_inode 1KB 3KB [ 71.126155] ext4_system_zone 0KB 3KB [ 71.131532] bio-1 1KB 3KB [ 71.136906] rpc_buffers 17KB 19KB [ 71.142276] rpc_tasks 2KB 3KB [ 71.147663] UNIX 777KB 780KB [ 71.153037] tcp_bind_bucket 0KB 4KB [ 71.158407] ip_fib_trie 0KB 3KB [ 71.163777] ip_fib_alias 0KB 3KB [ 71.169152] ip_dst_cache 4KB 7KB [ 71.174521] RAW 5KB 7KB [ 71.179891] UDP 32KB 39KB [ 71.185262] request_sock_TCP 0KB 3KB [ 71.190631] TCP 7KB 7KB [ 71.196003] hugetlbfs_inode_cache 1KB 7KB [ 71.201742] eventpoll_pwq 9KB 11KB [ 71.207109] eventpoll_epi 17KB 23KB [ 71.212487] inotify_inode_mark 3KB 7KB [ 71.217947] request_queue 31KB 39KB [ 71.223320] blkdev_ioc 23KB 23KB [ 71.228691] bio-0 292KB 292KB [ 71.234060] biovec-(1<<(21-12)) 528KB 528KB [ 71.239605] biovec-64 126KB 126KB [ 71.244975] biovec-16 15KB 15KB [ 71.250343] bio_integrity_payload 0KB 4KB [ 71.256062] khugepaged_mm_slot 1KB 3KB [ 71.261521] uid_cache 1KB 3KB [ 71.266894] dmaengine-unmap-2 0KB 3KB [ 71.272523] audit_buffer 0KB 3KB [ 71.277897] skbuff_fclone_cache 131KB 135KB [ 71.283442] skbuff_head_cache 1842KB 1845KB [ 71.288817] configfs_dir_cache 0KB 4KB [ 71.294273] file_lock_cache 157KB 158KB [ 71.299644] file_lock_ctx 1KB 3KB [ 71.305032] fsnotify_mark_connector 2KB 3KB [ 71.310925] shmem_inode_cache 1041KB 1042KB [ 71.316294] task_delay_info 308KB 359KB [ 71.321664] sigqueue 352KB 358KB [ 71.327030] kernfs_node_cache 2156KB 2157KB [ 71.332399] mnt_cache 15KB 20KB [ 71.337768] filp 8611KB 8730KB [ 71.343142] names_cache 112501KB 112523KB [ 71.348514] avc_node 38KB 43KB [ 71.353882] selinux_file_security 433KB 453KB [ 71.359597] selinux_inode_security 1922KB 1924KB [ 71.365403] key_jar 3KB 7KB [ 71.370771] nsproxy 0KB 3KB [ 71.376146] vm_area_struct 17959KB 17963KB [ 71.381519] mm_struct 4307KB 4312KB [ 71.386889] fs_cache 411KB 456KB [ 71.392260] files_cache 1511KB 1511KB [ 71.397631] signal_cache 2412KB 2415KB [ 71.403004] sighand_cache 228KB 284KB [ 71.408398] task_struct 10290KB 10290KB [ 71.413768] cred_jar 2280KB 2284KB [ 71.419139] anon_vma_chain 7457KB 7461KB [ 71.424508] anon_vma 158KB 288KB [ 71.429875] pid 214KB 260KB [ 71.435247] Acpi-Operand 106KB 170KB [ 71.440619] Acpi-Namespace 19KB 23KB [ 71.445992] numa_policy 0KB 3KB [ 71.451362] debug_objects_cache 418KB 419KB [ 71.456905] trace_event_file 144KB 147KB [ 71.462274] ftrace_event_field 254KB 255KB [ 71.467729] pool_workqueue 22KB 28KB [ 71.473107] page->ptl 2951KB 2952KB [ 71.478498] kmalloc-262144 1032KB 1032KB [ 71.483871] kmalloc-131072 650KB 650KB [ 71.489240] kmalloc-65536 264KB 264KB [ 71.494609] kmalloc-32768 627KB 627KB [ 71.499978] kmalloc-16384 148KB 148KB [ 71.505351] kmalloc-8192 453KB 453KB [ 71.510724] kmalloc-4096 8512KB 8551KB [ 71.516339] kmalloc-2048 3125KB 3130KB [ 71.521703] kmalloc-1024 3694KB 3701KB [ 71.527076] kmalloc-512 2670KB 2936KB [ 71.532446] kmalloc-256 2080KB 2448KB [ 71.537819] kmalloc-128 397KB 519KB [ 71.543192] kmalloc-96 2052KB 2052KB [ 71.548560] kmalloc-64 2452KB 2452KB [ 71.553927] kmalloc-32 2397KB 2397KB [ 71.559399] kmalloc-192 900KB 900KB [ 71.564772] kmem_cache 100KB 105KB [ 71.570143] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 71.578817] [ 1771] 0 1771 5385 184 90112 0 -1000 udevd [ 71.587055] [ 3339] 0 3339 14265 173 114688 0 0 rsyslogd [ 71.595476] [ 3390] 0 3390 4725 51 81920 0 0 cron [ 71.603553] [ 3402] 0 3402 3736 45 65536 0 0 mcstransd [ 71.612062] [ 3432] 0 3432 12490 152 135168 0 -1000 sshd [ 71.621004] [ 3464] 0 3464 3694 41 73728 0 0 getty [ 71.629181] [ 3465] 0 3465 3694 40 77824 0 0 getty [ 71.637335] [ 3466] 0 3466 3694 42 69632 0 0 getty [ 71.645491] [ 3467] 0 3467 3694 40 77824 0 0 getty [ 71.653647] [ 3468] 0 3468 3694 42 73728 0 0 getty [ 71.661805] [ 3469] 0 3469 3694 40 77824 0 0 getty [ 71.669960] [ 3470] 0 3470 3649 39 73728 0 0 getty [ 71.678116] [ 3473] 0 3473 5681 454 90112 0 -1000 udevd [ 71.686270] [ 3474] 0 3474 5681 454 90112 0 -1000 udevd [ 71.694686] [ 3494] 0 3494 17821 197 188416 0 0 sshd [ 71.702755] [ 3496] 0 3496 237 1 28672 0 0 syzkaller344680 [ 71.711809] [ 3497] 0 3497 4332 0 28672 0 0 syzkaller344680 [ 71.720839] [ 3498] 0 3498 4332 521 32768 0 0 syzkaller344680 [ 71.729865] [ 3499] 0 3499 4332 521 32768 0 0 syzkaller344680 [ 71.738900] [ 3500] 0 3500 4332 521 32768 0 0 syzkaller344680 [ 71.747925] [ 3501] 0 3501 4332 521 32768 0 0 syzkaller344680 [ 71.756949] [ 3502] 0 3502 4332 521 32768 0 0 syzkaller344680 [ 71.765976] [ 3503] 0 3503 4332 521 32768 0 0 syzkaller344680 [ 71.775006] [ 3504] 0 3504 4332 521 32768 0 0 syzkaller344680 [ 71.784726] Out of memory: Kill process 3498 (syzkaller344680) score 0 or sacrifice child [ 71.794288] Killed process 3498 (syzkaller344680) total-vm:17328kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 71.808246] oom_reaper: reaped process 3498 (syzkaller344680), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 71.825810] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 71.837667] rsyslogd cpuset=/ mems_allowed=0 [ 71.842123] CPU: 0 PID: 3342 Comm: rsyslogd Not tainted 4.15.0-rc7+ #167 [ 71.848939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.858271] Call Trace: [ 71.860842] dump_stack+0x194/0x257 [ 71.864450] ? arch_local_irq_restore+0x53/0x53 [ 71.869097] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 71.874275] dump_header+0x28c/0xe1e [ 71.877972] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 71.883132] ? pagefault_out_of_memory+0x152/0x152 [ 71.888035] ? check_noncircular+0x20/0x20 [ 71.892259] ? print_irqtrace_events+0x270/0x270 [ 71.896996] ? __lock_acquire+0x664/0x3e00 [ 71.901203] ? check_noncircular+0x20/0x20 [ 71.905413] ? find_held_lock+0x35/0x1d0 [ 71.909448] ? check_noncircular+0x20/0x20 [ 71.913648] ? task_will_free_mem+0x252/0xaa0 [ 71.918128] ? print_irqtrace_events+0x270/0x270 [ 71.922865] ? ___ratelimit+0x30d/0x630 [ 71.926809] ? lock_downgrade+0x980/0x980 [ 71.930929] ? lock_release+0xa40/0xa40 [ 71.934876] ? mark_held_locks+0xaf/0x100 [ 71.938998] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 71.944079] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 71.949079] ? trace_hardirqs_on+0xd/0x10 [ 71.953198] ? ___ratelimit+0x95/0x630 [ 71.957057] ? idr_get_free_cmn+0xfd0/0xfd0 [ 71.962129] ? check_noncircular+0x20/0x20 [ 71.968063] ? find_held_lock+0x138/0x1d0 [ 71.972966] oom_kill_process+0x8b5/0x14a0 [ 71.977171] ? has_ns_capability_noaudit+0x163/0x2a0 [ 71.982242] ? lock_downgrade+0x980/0x980 [ 71.986359] ? oom_evaluate_task+0x480/0x480 [ 71.990742] ? security_capable_noaudit+0x8b/0xc0 [ 71.995556] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 72.001493] ? has_capability+0x30/0x30 [ 72.005434] ? do_raw_spin_trylock+0x190/0x190 [ 72.009985] ? check_noncircular+0x20/0x20 [ 72.014191] ? has_capability_noaudit+0x24/0x30 [ 72.018825] ? oom_badness+0xd1/0x980 [ 72.022590] ? lock_release+0xa40/0xa40 [ 72.026529] ? do_try_to_free_pages+0xc53/0x1020 [ 72.031252] ? find_lock_task_mm+0x460/0x460 [ 72.035629] ? find_held_lock+0x35/0x1d0 [ 72.039662] ? out_of_memory+0xb3a/0x1220 [ 72.043778] ? lock_downgrade+0x980/0x980 [ 72.047895] ? lock_release+0xa40/0xa40 [ 72.051833] ? lock_acquire+0x1d5/0x580 [ 72.055776] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 72.060675] ? oom_evaluate_task+0x284/0x480 [ 72.065053] out_of_memory+0x86d/0x1220 [ 72.068993] ? print_irqtrace_events+0x270/0x270 [ 72.073723] ? oom_killer_disable+0x310/0x310 [ 72.078184] ? mutex_trylock+0x23a/0x2d0 [ 72.082212] ? __lock_is_held+0xb6/0x140 [ 72.086240] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 72.091664] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 72.096478] ? trace_hardirqs_on+0xd/0x10 [ 72.100605] ? warn_alloc+0x2b0/0x2b0 [ 72.104373] ? lock_downgrade+0x980/0x980 [ 72.108509] ? find_get_entry+0x53c/0x9e0 [ 72.112641] ? __lock_acquire+0x664/0x3e00 [ 72.116854] ? __lock_is_held+0xb6/0x140 [ 72.120896] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 72.126754] ? __might_sleep+0x95/0x190 [ 72.130699] __alloc_pages_nodemask+0x9fb/0xd80 [ 72.135340] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 72.140321] ? add_to_page_cache_lru+0x510/0x510 [ 72.145047] ? check_noncircular+0x20/0x20 [ 72.149252] ? check_noncircular+0x20/0x20 [ 72.153460] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 72.158200] alloc_pages_current+0xb6/0x1e0 [ 72.162493] __page_cache_alloc+0x334/0x500 [ 72.166780] ? rcu_read_lock_held+0xa9/0xc0 [ 72.171070] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 72.178408] filemap_fault+0xefc/0x1c20 [ 72.182349] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 72.187515] ? __lock_page_or_retry+0x4f0/0x4f0 [ 72.192158] ? filemap_map_pages+0x942/0x15d0 [ 72.196635] ? find_get_entries_tag+0xeb0/0xeb0 [ 72.201272] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 72.206428] ? lock_downgrade+0x980/0x980 [ 72.210547] ? check_noncircular+0x20/0x20 [ 72.214753] ? print_irqtrace_events+0x270/0x270 [ 72.220430] ? print_irqtrace_events+0x270/0x270 [ 72.225154] ? __lock_is_held+0xb6/0x140 [ 72.229196] ? lock_acquire+0x1d5/0x580 [ 72.233135] ? lock_acquire+0x1d5/0x580 [ 72.237512] ? ext4_filemap_fault+0x7a/0xad [ 72.241806] ? lock_release+0xa40/0xa40 [ 72.245748] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 72.251600] ? rcu_note_context_switch+0x710/0x710 [ 72.258563] ? __might_sleep+0x95/0x190 [ 72.263635] ? down_read+0x96/0x150 [ 72.268788] ? ext4_filemap_fault+0x7a/0xad [ 72.274032] ? __down_interruptible+0x6b0/0x6b0 [ 72.278680] ext4_filemap_fault+0x82/0xad [ 72.283404] __do_fault+0xeb/0x30f [ 72.286912] ? pte_offset_kernel+0xc7/0xc7 [ 72.291115] ? do_raw_spin_trylock+0x190/0x190 [ 72.295662] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 72.300646] ? check_noncircular+0x20/0x20 [ 72.304856] __handle_mm_fault+0x1d8f/0x3ce0 [ 72.309235] ? __pmd_alloc+0x4e0/0x4e0 [ 72.313095] ? find_held_lock+0x35/0x1d0 [ 72.317129] ? handle_mm_fault+0x248/0x8d0 [ 72.321332] ? lock_downgrade+0x980/0x980 [ 72.325468] handle_mm_fault+0x334/0x8d0 [ 72.329494] ? down_read_trylock+0xdb/0x170 [ 72.333784] ? __do_page_fault+0x32d/0xc90 [ 72.337984] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 72.342530] ? vmacache_find+0x5f/0x280 [ 72.346475] ? find_vma+0x30/0x150 [ 72.349984] __do_page_fault+0x5c9/0xc90 [ 72.354013] ? vfs_copy_file_range+0x940/0x940 [ 72.358574] ? mm_fault_error+0x2c0/0x2c0 [ 72.362688] ? exit_to_usermode_loop+0x8c/0x310 [ 72.367331] do_page_fault+0xee/0x720 [ 72.371097] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 72.376601] ? __do_page_fault+0xc90/0xc90 [ 72.380809] ? syscall_return_slowpath+0x2ad/0x550 [ 72.385706] ? prepare_exit_to_usermode+0x340/0x340 [ 72.390687] ? SyS_read+0x184/0x220 [ 72.394282] ? retint_user+0x18/0x18 [ 72.397961] ? page_fault+0x36/0x60 [ 72.401556] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.406368] ? page_fault+0x36/0x60 [ 72.409961] page_fault+0x4c/0x60 [ 72.413391] RIP: 0033:0x7f93553bdcb0 [ 72.417066] RSP: 002b:00007f935295de28 EFLAGS: 00010293 [ 72.422394] RAX: 0000000000000ff2 RBX: 00000000021a64b0 RCX: 00007f93553be1fd [ 72.429628] RDX: 0000000000000ff2 RSI: 00007f93541925a0 RDI: 0000000000000000 [ 72.436864] RBP: 0000000000000000 R08: 0000000002191260 R09: 0000000004000001 [ 72.444099] R10: 0000000000000001 R11: 0000000000000293 R12: 000000000065e420 [ 72.451334] R13: 00007f935295e9c0 R14: 00007f9355a03040 R15: 0000000000000003 [ 72.458664] Mem-Info: [ 72.461451] active_anon:5065 inactive_anon:61 isolated_anon:0 [ 72.461451] active_file:40 inactive_file:0 isolated_file:0 [ 72.461451] unevictable:0 dirty:0 writeback:0 unstable:0 [ 72.461451] slab_reclaimable:7221 slab_unreclaimable:83737 [ 72.461451] mapped:3 shmem:68 pagetables:307 bounce:0 [ 72.461451] free:23861 free_pcp:70 free_cma:0 [ 72.493783] Node 0 active_anon:20260kB inactive_anon:244kB active_file:160kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 72.520757] 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 [ 72.547667] lowmem_reserve[]: 0 2871 6381 6381 [ 72.552271] Node 0 DMA32 free:44156kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 72.579429] lowmem_reserve[]: 0 0 3510 3510 [ 72.583772] Node 0 Normal free:35380kB min:37084kB low:46352kB high:55620kB active_anon:20260kB inactive_anon:244kB active_file:160kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3008kB pagetables:1228kB bounce:0kB free_pcp:280kB local_pcp:120kB free_cma:0kB [ 72.612572] lowmem_reserve[]: 0 0 0 0 [ 72.616374] 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 [ 72.629940] Node 0 DMA32: 3*4kB (UM) 2*8kB (U) 4*16kB (UM) 1*32kB (U) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 4*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44156kB [ 72.645194] Node 0 Normal: 526*4kB (UME) 429*8kB (ME) 272*16kB (UME) 188*32kB (UME) 101*64kB (ME) 39*128kB (UM) 26*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 35040kB [ 72.661090] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 72.669671] 98 total pagecache pages [ 72.673392] 0 pages in swap cache [ 72.676838] Swap cache stats: add 0, delete 0, find 0/0 [ 72.682183] Free swap = 0kB [ 72.685195] Total swap = 0kB [ 72.688203] 1965979 pages RAM [ 72.691302] 0 pages HighMem/MovableOnly [ 72.695274] 327749 pages reserved [ 72.698720] Unreclaimable slab info: [ 72.702426] Name Used Total [ 72.707953] hashtab_node 118KB 119KB [ 72.713317] ebitmap_node 383KB 385KB [ 72.718676] avtab_node 1012KB 1013KB [ 72.724028] TIPC 1KB 7KB [ 72.729393] SCTPv6 2KB 4KB [ 72.734755] DCCPv6 2KB 7KB [ 72.740193] DCCP 2KB 6KB [ 72.745557] fib6_nodes 0KB 4KB [ 72.750902] ip6_dst_cache 6KB 11KB [ 72.756420] RAWv6 9KB 19KB [ 72.761765] UDPv6 12KB 14KB [ 72.767110] TCPv6 2KB 5KB [ 72.772469] sd_ext_cdb 0KB 3KB [ 72.777813] scsi_sense_cache 89KB 92KB [ 72.783156] virtio_scsi_cmd 16KB 16KB [ 72.788500] sgpool-128 8KB 8KB [ 72.793844] sgpool-64 4KB 6KB [ 72.799186] sgpool-32 102KB 102KB [ 72.804533] sgpool-16 33KB 33KB [ 72.809879] sgpool-8 165KB 165KB [ 72.815223] cfq_io_cq 15KB 15KB [ 72.820565] cfq_queue 27KB 27KB [ 72.825911] mqueue_inode_cache 1KB 7KB [ 72.831689] nfs_commit_data 3KB 7KB [ 72.837035] nfs_write_data 34KB 37KB [ 72.842386] jbd2_inode 1KB 3KB [ 72.847754] ext4_system_zone 0KB 3KB [ 72.853134] bio-1 1KB 3KB [ 72.858497] rpc_buffers 17KB 19KB [ 72.863853] rpc_tasks 2KB 3KB [ 72.869215] UNIX 777KB 780KB [ 72.874574] tcp_bind_bucket 0KB 4KB [ 72.879923] ip_fib_trie 0KB 3KB [ 72.885283] ip_fib_alias 0KB 3KB [ 72.890640] ip_dst_cache 4KB 7KB [ 72.895987] RAW 5KB 7KB [ 72.901351] UDP 29KB 39KB [ 72.906710] request_sock_TCP 0KB 3KB [ 72.912062] TCP 7KB 7KB [ 72.917431] hugetlbfs_inode_cache 1KB 7KB [ 72.923152] eventpoll_pwq 9KB 11KB [ 72.928508] eventpoll_epi 17KB 23KB [ 72.933859] inotify_inode_mark 3KB 7KB [ 72.939551] request_queue 31KB 39KB [ 72.946992] blkdev_ioc 23KB 23KB [ 72.952348] bio-0 296KB 296KB [ 72.957710] biovec-(1<<(21-12)) 528KB 528KB [ 72.963252] biovec-64 126KB 126KB [ 72.968609] biovec-16 15KB 15KB [ 72.973955] bio_integrity_payload 0KB 4KB [ 72.979665] khugepaged_mm_slot 0KB 3KB [ 72.985127] uid_cache 1KB 3KB [ 72.990484] dmaengine-unmap-2 0KB 3KB [ 72.995830] audit_buffer 0KB 3KB [ 73.001194] skbuff_fclone_cache 130KB 135KB [ 73.006723] skbuff_head_cache 1841KB 1845KB [ 73.012072] configfs_dir_cache 0KB 4KB [ 73.017521] file_lock_cache 156KB 158KB [ 73.022879] file_lock_ctx 1KB 3KB [ 73.028229] fsnotify_mark_connector 2KB 3KB [ 73.034101] shmem_inode_cache 1041KB 1042KB [ 73.039465] task_delay_info 304KB 359KB [ 73.044831] sigqueue 352KB 358KB [ 73.050190] kernfs_node_cache 2156KB 2157KB [ 73.055554] mnt_cache 15KB 20KB [ 73.060911] filp 8575KB 8700KB [ 73.066267] names_cache 112501KB 112523KB [ 73.071631] avc_node 38KB 43KB [ 73.076986] selinux_file_security 429KB 453KB [ 73.082688] selinux_inode_security 1921KB 1924KB [ 73.088472] key_jar 3KB 7KB [ 73.093820] nsproxy 0KB 3KB [ 73.099180] vm_area_struct 17959KB 17963KB [ 73.104538] mm_struct 4306KB 4312KB [ 73.110150] fs_cache 405KB 456KB [ 73.115512] files_cache 1511KB 1511KB [ 73.120870] signal_cache 2410KB 2415KB [ 73.126221] sighand_cache 217KB 284KB [ 73.131586] task_struct 10290KB 10290KB [ 73.136954] cred_jar 2278KB 2284KB [ 73.142304] anon_vma_chain 7457KB 7461KB [ 73.147668] anon_vma 147KB 288KB [ 73.153037] pid 211KB 260KB [ 73.158393] Acpi-Operand 106KB 170KB [ 73.163751] Acpi-Namespace 19KB 23KB [ 73.169117] numa_policy 0KB 3KB [ 73.174475] debug_objects_cache 418KB 419KB [ 73.179995] trace_event_file 144KB 147KB [ 73.185362] ftrace_event_field 254KB 255KB [ 73.190805] pool_workqueue 22KB 28KB [ 73.196161] page->ptl 2950KB 2952KB [ 73.201548] kmalloc-262144 1032KB 1032KB [ 73.206907] kmalloc-131072 650KB 650KB [ 73.212256] kmalloc-65536 264KB 264KB [ 73.217618] kmalloc-32768 627KB 627KB [ 73.222989] kmalloc-16384 148KB 148KB [ 73.228345] kmalloc-8192 453KB 453KB [ 73.233707] kmalloc-4096 8504KB 8534KB [ 73.240026] kmalloc-2048 3123KB 3130KB [ 73.246248] kmalloc-1024 3701KB 3701KB [ 73.251608] kmalloc-512 2663KB 2936KB [ 73.256963] kmalloc-256 2059KB 2441KB [ 73.262312] kmalloc-128 396KB 519KB [ 73.267676] kmalloc-96 2056KB 2056KB [ 73.273042] kmalloc-64 2456KB 2456KB [ 73.278417] kmalloc-32 2397KB 2397KB [ 73.284122] kmalloc-192 904KB 904KB [ 73.289472] kmem_cache 100KB 105KB [ 73.294835] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 73.303435] [ 1771] 0 1771 5385 184 90112 0 -1000 udevd [ 73.311579] [ 3339] 0 3339 14265 173 114688 0 0 rsyslogd [ 73.319976] [ 3390] 0 3390 4725 51 81920 0 0 cron [ 73.328053] [ 3402] 0 3402 3736 45 65536 0 0 mcstransd [ 73.336556] [ 3432] 0 3432 12490 152 135168 0 -1000 sshd [ 73.346796] [ 3464] 0 3464 3694 41 73728 0 0 getty [ 73.356954] [ 3465] 0 3465 3694 40 77824 0 0 getty [ 73.365371] [ 3466] 0 3466 3694 42 69632 0 0 getty [ 73.373507] [ 3467] 0 3467 3694 40 77824 0 0 getty [ 73.381656] [ 3468] 0 3468 3694 42 73728 0 0 getty [ 73.389813] [ 3469] 0 3469 3694 40 77824 0 0 getty [ 73.397969] [ 3470] 0 3470 3649 39 73728 0 0 getty [ 73.406127] [ 3473] 0 3473 5681 454 90112 0 -1000 udevd [ 73.414265] [ 3474] 0 3474 5681 454 90112 0 -1000 udevd [ 73.422415] [ 3494] 0 3494 17821 197 188416 0 0 sshd [ 73.430486] [ 3496] 0 3496 237 1 28672 0 0 syzkaller344680 [ 73.439498] [ 3497] 0 3497 4332 0 28672 0 0 syzkaller344680 [ 73.448517] [ 3498] 0 3498 4332 0 28672 0 0 syzkaller344680 [ 73.459287] [ 3499] 0 3499 4332 521 32768 0 0 syzkaller344680 [ 73.468737] [ 3500] 0 3500 4332 521 32768 0 0 syzkaller344680 [ 73.478711] [ 3501] 0 3501 4332 521 32768 0 0 syzkaller344680 [ 73.487738] [ 3502] 0 3502 4332 521 32768 0 0 syzkaller344680 [ 73.496759] [ 3503] 0 3503 4332 521 32768 0 0 syzkaller344680 [ 73.505773] [ 3504] 0 3504 4332 521 32768 0 0 syzkaller344680 [ 73.514773] Out of memory: Kill process 3499 (syzkaller344680) score 0 or sacrifice child [ 73.523109] Killed process 3499 (syzkaller344680) total-vm:17328kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 73.535653] oom_reaper: reaped process 3499 (syzkaller344680), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 73.560526] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 73.571905] rsyslogd cpuset=/ mems_allowed=0 [ 73.576343] CPU: 1 PID: 3342 Comm: rsyslogd Not tainted 4.15.0-rc7+ #167 [ 73.583156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.592494] Call Trace: [ 73.595077] dump_stack+0x194/0x257 [ 73.598691] ? arch_local_irq_restore+0x53/0x53 [ 73.603344] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 73.608531] dump_header+0x28c/0xe1e [ 73.612238] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 73.617417] ? pagefault_out_of_memory+0x152/0x152 [ 73.622324] ? check_noncircular+0x20/0x20 [ 73.626543] ? print_irqtrace_events+0x270/0x270 [ 73.631286] ? __lock_acquire+0x664/0x3e00 [ 73.635507] ? check_noncircular+0x20/0x20 [ 73.639738] ? find_held_lock+0x35/0x1d0 [ 73.643791] ? check_noncircular+0x20/0x20 [ 73.648006] ? task_will_free_mem+0x252/0xaa0 [ 73.652491] ? print_irqtrace_events+0x270/0x270 [ 73.657239] ? ___ratelimit+0x30d/0x630 [ 73.661198] ? lock_downgrade+0x980/0x980 [ 73.665332] ? lock_release+0xa40/0xa40 [ 73.669297] ? mark_held_locks+0xaf/0x100 [ 73.673426] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 73.678512] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 73.683511] ? trace_hardirqs_on+0xd/0x10 [ 73.687992] ? ___ratelimit+0x95/0x630 [ 73.692298] ? idr_get_free_cmn+0xfd0/0xfd0 [ 73.696600] ? check_noncircular+0x20/0x20 [ 73.700814] ? find_held_lock+0x138/0x1d0 [ 73.704955] oom_kill_process+0x8b5/0x14a0 [ 73.709179] ? has_ns_capability_noaudit+0x163/0x2a0 [ 73.714265] ? lock_downgrade+0x980/0x980 [ 73.718400] ? oom_evaluate_task+0x480/0x480 [ 73.722809] ? security_capable_noaudit+0x8b/0xc0 [ 73.727640] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 73.732728] ? has_capability+0x30/0x30 [ 73.736684] ? do_raw_spin_trylock+0x190/0x190 [ 73.741246] ? check_noncircular+0x20/0x20 [ 73.745471] ? has_capability_noaudit+0x24/0x30 [ 73.750122] ? oom_badness+0xd1/0x980 [ 73.753903] ? lock_release+0xa40/0xa40 [ 73.757855] ? do_try_to_free_pages+0xc53/0x1020 [ 73.762594] ? find_lock_task_mm+0x460/0x460 [ 73.766995] ? find_held_lock+0x35/0x1d0 [ 73.771047] ? out_of_memory+0xb3a/0x1220 [ 73.775176] ? lock_downgrade+0x980/0x980 [ 73.779315] ? lock_release+0xa40/0xa40 [ 73.783271] ? lock_acquire+0x1d5/0x580 [ 73.787228] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 73.792153] ? oom_evaluate_task+0x284/0x480 [ 73.796554] out_of_memory+0x86d/0x1220 [ 73.800530] ? trace_hardirqs_on+0xd/0x10 [ 73.804676] ? oom_killer_disable+0x310/0x310 [ 73.809150] ? mutex_trylock+0x23a/0x2d0 [ 73.813197] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 73.818624] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 73.825899] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 73.831604] ? trace_hardirqs_on+0xd/0x10 [ 73.835768] ? warn_alloc+0x2b0/0x2b0 [ 73.839552] ? lock_downgrade+0x980/0x980 [ 73.843723] ? find_get_entry+0x53c/0x9e0 [ 73.847887] ? __lock_acquire+0x664/0x3e00 [ 73.852156] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 73.858040] ? __might_sleep+0x95/0x190 [ 73.862006] __alloc_pages_nodemask+0x9fb/0xd80 [ 73.866666] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 73.871666] ? add_to_page_cache_lru+0x510/0x510 [ 73.876416] ? check_noncircular+0x20/0x20 [ 73.880629] ? check_noncircular+0x20/0x20 [ 73.884855] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 73.889635] alloc_pages_current+0xb6/0x1e0 [ 73.893951] __page_cache_alloc+0x334/0x500 [ 73.898257] ? rcu_read_lock_held+0xa9/0xc0 [ 73.902563] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 73.909922] filemap_fault+0xefc/0x1c20 [ 73.913878] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 73.919066] ? __lock_page_or_retry+0x4f0/0x4f0 [ 73.923736] ? filemap_map_pages+0x942/0x15d0 [ 73.928237] ? find_get_entries_tag+0xeb0/0xeb0 [ 73.932888] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 73.938062] ? lock_downgrade+0x980/0x980 [ 73.942196] ? check_noncircular+0x20/0x20 [ 73.947733] ? print_irqtrace_events+0x270/0x270 [ 73.952467] ? print_irqtrace_events+0x270/0x270 [ 73.957214] ? __lock_is_held+0xb6/0x140 [ 73.961273] ? lock_acquire+0x1d5/0x580 [ 73.965225] ? lock_acquire+0x1d5/0x580 [ 73.969178] ? ext4_filemap_fault+0x7a/0xad [ 73.973494] ? lock_release+0xa40/0xa40 [ 73.977451] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 73.983322] ? rcu_note_context_switch+0x710/0x710 [ 73.988242] ? __might_sleep+0x95/0x190 [ 73.992203] ? down_read+0x96/0x150 [ 73.995807] ? ext4_filemap_fault+0x7a/0xad [ 74.000112] ? __down_interruptible+0x6b0/0x6b0 [ 74.004784] ext4_filemap_fault+0x82/0xad [ 74.008915] __do_fault+0xeb/0x30f [ 74.012443] ? pte_offset_kernel+0xc7/0xc7 [ 74.016664] ? do_raw_spin_trylock+0x190/0x190 [ 74.021230] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 74.026233] ? check_noncircular+0x20/0x20 [ 74.030464] __handle_mm_fault+0x1d8f/0x3ce0 [ 74.034864] ? __pmd_alloc+0x4e0/0x4e0 [ 74.038747] ? find_held_lock+0x35/0x1d0 [ 74.042802] ? handle_mm_fault+0x248/0x8d0 [ 74.047018] ? lock_downgrade+0x980/0x980 [ 74.051191] handle_mm_fault+0x334/0x8d0 [ 74.056018] ? down_read_trylock+0xdb/0x170 [ 74.061714] ? __do_page_fault+0x32d/0xc90 [ 74.065931] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 74.070752] ? vmacache_find+0x5f/0x280 [ 74.074717] ? find_vma+0x30/0x150 [ 74.078246] __do_page_fault+0x5c9/0xc90 [ 74.082288] ? vfs_copy_file_range+0x940/0x940 [ 74.086862] ? mm_fault_error+0x2c0/0x2c0 [ 74.090987] ? exit_to_usermode_loop+0x8c/0x310 [ 74.095653] do_page_fault+0xee/0x720 [ 74.099434] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 74.104953] ? __do_page_fault+0xc90/0xc90 [ 74.109197] ? syscall_return_slowpath+0x2ad/0x550 [ 74.114111] ? prepare_exit_to_usermode+0x340/0x340 [ 74.119107] ? SyS_read+0x184/0x220 [ 74.122728] ? retint_user+0x18/0x18 [ 74.126430] ? page_fault+0x36/0x60 [ 74.130038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.134869] ? page_fault+0x36/0x60 [ 74.138480] page_fault+0x4c/0x60 [ 74.141909] RIP: 0033:0x7f93553bdcb0 [ 74.145599] RSP: 002b:00007f935295de28 EFLAGS: 00010293 [ 74.150940] RAX: 0000000000000ff2 RBX: 00000000021a64b0 RCX: 00007f93553be1fd [ 74.158187] RDX: 0000000000000ff2 RSI: 00007f93541925a0 RDI: 0000000000000000 [ 74.165436] RBP: 0000000000000000 R08: 0000000002191260 R09: 0000000004000001 [ 74.172683] R10: 0000000000000001 R11: 0000000000000293 R12: 000000000065e420 [ 74.179930] R13: 00007f935295e9c0 R14: 00007f9355a03040 R15: 0000000000000003 [ 74.187286] Mem-Info: [ 74.189991] active_anon:4547 inactive_anon:61 isolated_anon:0 [ 74.189991] active_file:15 inactive_file:15 isolated_file:0 [ 74.189991] unevictable:0 dirty:0 writeback:0 unstable:0 [ 74.189991] slab_reclaimable:7221 slab_unreclaimable:83724 [ 74.189991] mapped:3 shmem:68 pagetables:305 bounce:0 [ 74.189991] free:24293 free_pcp:73 free_cma:0 [ 74.222102] Node 0 active_anon:18188kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 74.249272] 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 [ 74.276037] lowmem_reserve[]: 0 2871 6381 6381 [ 74.280655] Node 0 DMA32 free:44156kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 74.307834] lowmem_reserve[]: 0 0 3510 3510 [ 74.312185] Node 0 Normal free:37016kB min:37084kB low:46352kB high:55620kB active_anon:18188kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3008kB pagetables:1220kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 74.340845] lowmem_reserve[]: 0 0 0 0 [ 74.344675] 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 [ 74.358314] Node 0 DMA32: 3*4kB (UM) 2*8kB (U) 4*16kB (UM) 1*32kB (U) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 4*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44156kB [ 74.373614] Node 0 Normal: 530*4kB (UME) 426*8kB (ME) 273*16kB (ME) 186*32kB (ME) 103*64kB (UME) 38*128kB (UM) 26*256kB (UM) 2*512kB (UM) 0*1024kB 1*2048kB (M) 0*4096kB = 37032kB [ 74.389782] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 74.398363] 98 total pagecache pages [ 74.402087] 0 pages in swap cache [ 74.405543] Swap cache stats: add 0, delete 0, find 0/0 [ 74.410908] Free swap = 0kB [ 74.413927] Total swap = 0kB [ 74.416952] 1965979 pages RAM [ 74.420058] 0 pages HighMem/MovableOnly [ 74.424032] 327749 pages reserved [ 74.427484] Unreclaimable slab info: [ 74.431204] Name Used Total [ 74.436750] hashtab_node 118KB 119KB [ 74.442895] ebitmap_node 382KB 385KB [ 74.448269] avtab_node 1012KB 1013KB [ 74.453641] TIPC 1KB 7KB [ 74.459040] SCTPv6 2KB 4KB [ 74.464412] DCCPv6 2KB 7KB [ 74.469790] DCCP 2KB 6KB [ 74.475179] fib6_nodes 0KB 4KB [ 74.480550] ip6_dst_cache 6KB 11KB [ 74.485924] RAWv6 9KB 19KB [ 74.491298] UDPv6 12KB 14KB [ 74.496671] TCPv6 2KB 5KB [ 74.502058] sd_ext_cdb 0KB 3KB [ 74.507429] scsi_sense_cache 89KB 92KB [ 74.512798] virtio_scsi_cmd 16KB 16KB [ 74.518170] sgpool-128 8KB 8KB [ 74.523539] sgpool-64 4KB 6KB [ 74.528909] sgpool-32 96KB 102KB [ 74.534277] sgpool-16 31KB 33KB [ 74.539649] sgpool-8 165KB 165KB [ 74.545036] cfq_io_cq 15KB 15KB [ 74.550407] cfq_queue 25KB 27KB [ 74.555778] mqueue_inode_cache 1KB 7KB [ 74.561236] nfs_commit_data 3KB 7KB [ 74.566604] nfs_write_data 34KB 37KB [ 74.571980] jbd2_inode 1KB 3KB [ 74.577354] ext4_system_zone 0KB 3KB [ 74.582737] bio-1 1KB 3KB [ 74.588115] rpc_buffers 17KB 19KB [ 74.593483] rpc_tasks 2KB 3KB [ 74.598861] UNIX 777KB 780KB [ 74.604495] tcp_bind_bucket 0KB 4KB [ 74.609868] ip_fib_trie 0KB 3KB [ 74.615241] ip_fib_alias 0KB 3KB [ 74.620615] ip_dst_cache 4KB 7KB [ 74.625989] RAW 5KB 7KB [ 74.631368] UDP 29KB 39KB [ 74.636743] request_sock_TCP 0KB 3KB [ 74.642111] TCP 7KB 7KB [ 74.647477] hugetlbfs_inode_cache 1KB 7KB [ 74.653194] eventpoll_pwq 9KB 11KB [ 74.658565] eventpoll_epi 17KB 23KB [ 74.663933] inotify_inode_mark 3KB 7KB [ 74.669392] request_queue 31KB 39KB [ 74.674761] blkdev_ioc 22KB 23KB [ 74.680129] bio-0 300KB 300KB [ 74.685502] biovec-(1<<(21-12)) 528KB 528KB [ 74.691044] biovec-64 123KB 126KB [ 74.696413] biovec-16 14KB 15KB [ 74.701956] bio_integrity_payload 0KB 4KB [ 74.710489] khugepaged_mm_slot 0KB 3KB [ 74.716734] uid_cache 0KB 3KB [ 74.722628] dmaengine-unmap-2 0KB 3KB [ 74.728030] audit_buffer 0KB 3KB [ 74.733402] skbuff_fclone_cache 130KB 135KB [ 74.739502] skbuff_head_cache 1841KB 1845KB [ 74.745479] configfs_dir_cache 0KB 4KB [ 74.750939] file_lock_cache 156KB 158KB [ 74.756306] file_lock_ctx 1KB 3KB [ 74.761674] fsnotify_mark_connector 2KB 3KB [ 74.767568] shmem_inode_cache 1041KB 1042KB [ 74.772937] task_delay_info 302KB 359KB [ 74.778306] sigqueue 350KB 358KB [ 74.783681] kernfs_node_cache 2156KB 2157KB [ 74.789061] mnt_cache 15KB 20KB [ 74.794434] filp 8567KB 8692KB [ 74.799804] names_cache 112493KB 112523KB [ 74.805178] avc_node 38KB 43KB [ 74.810549] selinux_file_security 428KB 453KB [ 74.816267] selinux_inode_security 1921KB 1924KB [ 74.822069] key_jar 3KB 7KB [ 74.827439] nsproxy 0KB 3KB [ 74.832811] vm_area_struct 17958KB 17963KB [ 74.838179] mm_struct 4306KB 4312KB [ 74.843549] fs_cache 404KB 456KB [ 74.848929] files_cache 1511KB 1511KB [ 74.854300] signal_cache 2410KB 2415KB [ 74.859682] sighand_cache 212KB 284KB [ 74.865058] task_struct 10290KB 10290KB [ 74.870430] cred_jar 2278KB 2284KB [ 74.875799] anon_vma_chain 7456KB 7461KB [ 74.881168] anon_vma 137KB 288KB [ 74.886542] pid 210KB 260KB [ 74.891911] Acpi-Operand 106KB 170KB [ 74.897282] Acpi-Namespace 19KB 23KB [ 74.902649] numa_policy 0KB 3KB [ 74.908032] debug_objects_cache 416KB 419KB [ 74.913574] trace_event_file 144KB 147KB [ 74.918943] ftrace_event_field 254KB 255KB [ 74.924405] pool_workqueue 22KB 28KB [ 74.929777] page->ptl 2950KB 2952KB [ 74.935168] kmalloc-262144 1032KB 1032KB [ 74.940539] kmalloc-131072 650KB 650KB [ 74.945909] kmalloc-65536 264KB 264KB [ 74.951518] kmalloc-32768 627KB 627KB [ 74.957148] kmalloc-16384 148KB 148KB [ 74.962516] kmalloc-8192 453KB 453KB [ 74.967884] kmalloc-4096 8491KB 8529KB [ 74.973254] kmalloc-2048 3123KB 3130KB [ 74.978626] kmalloc-1024 3701KB 3701KB [ 74.985297] kmalloc-512 2661KB 2936KB [ 74.990666] kmalloc-256 2052KB 2437KB [ 74.996037] kmalloc-128 396KB 519KB [ 75.001413] kmalloc-96 2056KB 2056KB [ 75.006789] kmalloc-64 2455KB 2456KB [ 75.012159] kmalloc-32 2396KB 2397KB [ 75.017880] kmalloc-192 903KB 904KB [ 75.023251] kmem_cache 100KB 105KB [ 75.028619] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 75.037224] [ 1771] 0 1771 5385 184 90112 0 -1000 udevd [ 75.045386] [ 3339] 0 3339 14265 173 114688 0 0 rsyslogd [ 75.053809] [ 3390] 0 3390 4725 51 81920 0 0 cron [ 75.061875] [ 3402] 0 3402 3736 45 65536 0 0 mcstransd [ 75.070379] [ 3432] 0 3432 12490 152 135168 0 -1000 sshd [ 75.078447] [ 3464] 0 3464 3694 41 73728 0 0 getty [ 75.086949] [ 3465] 0 3465 3694 40 77824 0 0 getty [ 75.095109] [ 3466] 0 3466 3694 42 69632 0 0 getty [ 75.103530] [ 3467] 0 3467 3694 40 77824 0 0 getty [ 75.111706] [ 3468] 0 3468 3694 42 73728 0 0 getty [ 75.119863] [ 3469] 0 3469 3694 40 77824 0 0 getty [ 75.128040] [ 3470] 0 3470 3649 39 73728 0 0 getty [ 75.136200] [ 3473] 0 3473 5681 454 90112 0 -1000 udevd [ 75.144355] [ 3474] 0 3474 5681 454 90112 0 -1000 udevd [ 75.152511] [ 3494] 0 3494 17821 197 188416 0 0 sshd [ 75.160581] [ 3496] 0 3496 237 1 28672 0 0 syzkaller344680 [ 75.169957] [ 3497] 0 3497 4332 0 28672 0 0 syzkaller344680 [ 75.179245] [ 3498] 0 3498 4332 0 28672 0 0 syzkaller344680 [ 75.188280] [ 3499] 0 3499 4332 0 28672 0 0 syzkaller344680 [ 75.200467] [ 3500] 0 3500 4332 521 32768 0 0 syzkaller344680 [ 75.210880] [ 3501] 0 3501 4332 521 32768 0 0 syzkaller344680 [ 75.219903] [ 3502] 0 3502 4332 521 32768 0 0 syzkaller344680 [ 75.228924] [ 3503] 0 3503 4332 521 32768 0 0 syzkaller344680 [ 75.237948] [ 3504] 0 3504 4332 521 32768 0 0 syzkaller344680 [ 75.246964] Out of memory: Kill process 3500 (syzkaller344680) score 0 or sacrifice child [ 75.255305] Killed process 3500 (syzkaller344680) total-vm:17328kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 75.271328] oom_reaper: reaped process 3500 (syzkaller344680), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 75.281624] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 75.293418] init cpuset=/ mems_allowed=0 [ 75.297526] CPU: 1 PID: 1 Comm: init Not tainted 4.15.0-rc7+ #167 [ 75.303738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.314111] Call Trace: [ 75.316698] dump_stack+0x194/0x257 [ 75.320314] ? arch_local_irq_restore+0x53/0x53 [ 75.324963] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 75.330146] dump_header+0x28c/0xe1e [ 75.333843] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 75.339005] ? pagefault_out_of_memory+0x152/0x152 [ 75.343909] ? check_noncircular+0x20/0x20 [ 75.348127] ? print_irqtrace_events+0x270/0x270 [ 75.352861] ? __lock_acquire+0x664/0x3e00 [ 75.357076] ? check_noncircular+0x20/0x20 [ 75.361293] ? find_held_lock+0x35/0x1d0 [ 75.365342] ? check_noncircular+0x20/0x20 [ 75.369557] ? task_will_free_mem+0x252/0xaa0 [ 75.374042] ? print_irqtrace_events+0x270/0x270 [ 75.378784] ? ___ratelimit+0x30d/0x630 [ 75.382741] ? lock_downgrade+0x980/0x980 [ 75.386865] ? lock_release+0xa40/0xa40 [ 75.390816] ? mark_held_locks+0xaf/0x100 [ 75.394938] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 75.400020] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 75.405027] ? trace_hardirqs_on+0xd/0x10 [ 75.409163] ? ___ratelimit+0x95/0x630 [ 75.413036] ? idr_get_free_cmn+0xfd0/0xfd0 [ 75.417347] ? check_noncircular+0x20/0x20 [ 75.421562] ? find_held_lock+0x138/0x1d0 [ 75.425713] oom_kill_process+0x8b5/0x14a0 [ 75.429926] ? has_ns_capability_noaudit+0x163/0x2a0 [ 75.435000] ? lock_downgrade+0x980/0x980 [ 75.439140] ? oom_evaluate_task+0x480/0x480 [ 75.443552] ? security_capable_noaudit+0x8b/0xc0 [ 75.448384] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 75.453476] ? has_capability+0x30/0x30 [ 75.457431] ? do_raw_spin_trylock+0x190/0x190 [ 75.461989] ? check_noncircular+0x20/0x20 [ 75.466220] ? has_capability_noaudit+0x24/0x30 [ 75.470865] ? oom_badness+0xd1/0x980 [ 75.474641] ? lock_release+0xa40/0xa40 [ 75.478598] ? do_try_to_free_pages+0xc53/0x1020 [ 75.483429] ? find_lock_task_mm+0x460/0x460 [ 75.487830] ? find_held_lock+0x35/0x1d0 [ 75.491876] ? out_of_memory+0xb3a/0x1220 [ 75.495994] ? lock_downgrade+0x980/0x980 [ 75.500128] ? lock_release+0xa40/0xa40 [ 75.504082] ? lock_acquire+0x1d5/0x580 [ 75.508387] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 75.513312] ? oom_evaluate_task+0x284/0x480 [ 75.517714] out_of_memory+0x86d/0x1220 [ 75.521711] ? oom_killer_disable+0x310/0x310 [ 75.526185] ? mutex_trylock+0x23a/0x2d0 [ 75.530230] ? __lock_is_held+0xb6/0x140 [ 75.534275] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 75.539733] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 75.544569] ? trace_hardirqs_on+0xd/0x10 [ 75.548729] ? warn_alloc+0x2b0/0x2b0 [ 75.552506] ? lock_downgrade+0x980/0x980 [ 75.556686] ? find_get_entry+0x53c/0x9e0 [ 75.560827] ? __lock_acquire+0x664/0x3e00 [ 75.565089] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 75.570960] ? __might_sleep+0x95/0x190 [ 75.574909] __alloc_pages_nodemask+0x9fb/0xd80 [ 75.579565] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 75.584565] ? add_to_page_cache_lru+0x510/0x510 [ 75.589317] ? check_noncircular+0x20/0x20 [ 75.593533] ? check_noncircular+0x20/0x20 [ 75.598110] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 75.602859] alloc_pages_current+0xb6/0x1e0 [ 75.607168] __page_cache_alloc+0x334/0x500 [ 75.611475] ? rcu_read_lock_held+0xa9/0xc0 [ 75.615783] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 75.623406] filemap_fault+0xefc/0x1c20 [ 75.627367] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 75.632556] ? __lock_page_or_retry+0x4f0/0x4f0 [ 75.637225] ? filemap_map_pages+0x942/0x15d0 [ 75.641733] ? find_get_entries_tag+0xeb0/0xeb0 [ 75.646390] ? remove_wait_queue+0x1b4/0x350 [ 75.650777] ? check_noncircular+0x20/0x20 [ 75.654977] ? print_irqtrace_events+0x270/0x270 [ 75.659709] ? add_wait_queue+0x290/0x290 [ 75.663834] ? print_irqtrace_events+0x270/0x270 [ 75.668563] ? print_irqtrace_events+0x270/0x270 [ 75.673299] ? print_irqtrace_events+0x270/0x270 [ 75.678035] ? fput+0xd2/0x140 [ 75.681236] ? lock_acquire+0x1d5/0x580 [ 75.685188] ? lock_acquire+0x1d5/0x580 [ 75.689148] ? ext4_filemap_fault+0x7a/0xad [ 75.693453] ? __lock_acquire+0x664/0x3e00 [ 75.697683] ? lock_release+0xa40/0xa40 [ 75.701640] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 75.707516] ? rcu_note_context_switch+0x710/0x710 [ 75.712434] ? __might_sleep+0x95/0x190 [ 75.716397] ? down_read+0x96/0x150 [ 75.720002] ? ext4_filemap_fault+0x7a/0xad [ 75.724306] ? __down_interruptible+0x6b0/0x6b0 [ 75.728958] ext4_filemap_fault+0x82/0xad [ 75.733085] __do_fault+0xeb/0x30f [ 75.736615] ? pte_offset_kernel+0xc7/0xc7 [ 75.740827] ? set_fd_set.part.0+0x70/0x70 [ 75.745043] ? do_raw_spin_trylock+0x190/0x190 [ 75.749618] ? check_noncircular+0x20/0x20 [ 75.753838] __handle_mm_fault+0x1d8f/0x3ce0 [ 75.758915] ? __pmd_alloc+0x4e0/0x4e0 [ 75.762771] ? find_held_lock+0x35/0x1d0 [ 75.766807] ? find_held_lock+0x35/0x1d0 [ 75.770843] ? handle_mm_fault+0x248/0x8d0 [ 75.775053] ? lock_downgrade+0x980/0x980 [ 75.779228] handle_mm_fault+0x334/0x8d0 [ 75.783269] ? down_read_trylock+0xdb/0x170 [ 75.787575] ? __do_page_fault+0x32d/0xc90 [ 75.791786] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 75.796342] ? vmacache_find+0x5f/0x280 [ 75.800309] ? find_vma+0x30/0x150 [ 75.805082] __do_page_fault+0x5c9/0xc90 [ 75.810094] ? mm_fault_error+0x2c0/0x2c0 [ 75.814226] ? find_held_lock+0x35/0x1d0 [ 75.818291] do_page_fault+0xee/0x720 [ 75.822081] ? __do_page_fault+0xc90/0xc90 [ 75.826304] ? lock_release+0xa40/0xa40 [ 75.830262] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 75.836156] ? SyS_select+0x1ae/0x230 [ 75.839942] ? retint_user+0x18/0x18 [ 75.843638] ? page_fault+0x36/0x60 [ 75.847256] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 75.852092] ? page_fault+0x36/0x60 [ 75.855708] page_fault+0x4c/0x60 [ 75.860018] RIP: 0033:0x40391d [ 75.864147] RSP: 002b:00007ffe5bef8140 EFLAGS: 00010202 [ 75.870791] RAX: 0000000000b13c25 RBX: 0000000000b13c00 RCX: 0000000000000004 [ 75.878035] RDX: 0000000000000fe0 RSI: 0000000000000005 RDI: 0000000000b13c24 [ 75.885286] RBP: 0000000000000080 R08: 0000000000b13c20 R09: 0000000000000001 [ 75.892538] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000080 [ 75.899783] R13: 0000000000000001 R14: 0000000000000032 R15: 0000000000000000 [ 75.907133] Mem-Info: [ 75.909598] active_anon:4030 inactive_anon:61 isolated_anon:0 [ 75.909598] active_file:15 inactive_file:15 isolated_file:0 [ 75.909598] unevictable:0 dirty:0 writeback:0 unstable:0 [ 75.909598] slab_reclaimable:7222 slab_unreclaimable:83719 [ 75.909598] mapped:3 shmem:68 pagetables:304 bounce:0 [ 75.909598] free:24165 free_pcp:48 free_cma:0 [ 75.941662] Node 0 active_anon:16120kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 75.968568] 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 [ 75.994718] lowmem_reserve[]: 0 2871 6381 6381 [ 75.999320] Node 0 DMA32 free:44156kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 76.026499] lowmem_reserve[]: 0 0 3510 3510 [ 76.031294] Node 0 Normal free:36596kB min:37084kB low:46352kB high:55620kB active_anon:16120kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3008kB pagetables:1216kB bounce:0kB free_pcp:200kB local_pcp:24kB free_cma:0kB [ 76.060052] lowmem_reserve[]: 0 0 0 0 [ 76.063873] 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 [ 76.077459] Node 0 DMA32: 3*4kB (UM) 2*8kB (U) 4*16kB (UM) 1*32kB (U) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 4*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44156kB [ 76.092759] Node 0 Normal: 527*4kB (ME) 431*8kB (UME) 274*16kB (UME) 186*32kB (ME) 102*64kB (ME) 37*128kB (M) 25*256kB (UM) 2*512kB (UM) 0*1024kB 1*2048kB (M) 0*4096kB = 36628kB [ 76.108769] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 76.117343] 98 total pagecache pages [ 76.121067] 0 pages in swap cache [ 76.124520] Swap cache stats: add 0, delete 0, find 0/0 [ 76.130153] Free swap = 0kB [ 76.133170] Total swap = 0kB [ 76.136190] 1965979 pages RAM [ 76.139294] 0 pages HighMem/MovableOnly [ 76.143268] 327749 pages reserved [ 76.146710] Unreclaimable slab info: [ 76.150418] Name Used Total [ 76.155947] hashtab_node 118KB 119KB [ 76.161309] ebitmap_node 382KB 385KB [ 76.166674] avtab_node 1012KB 1013KB [ 76.172041] TIPC 1KB 7KB [ 76.177415] SCTPv6 2KB 4KB [ 76.182774] DCCPv6 2KB 7KB [ 76.188142] DCCP 2KB 6KB [ 76.193530] fib6_nodes 0KB 4KB [ 76.198887] ip6_dst_cache 6KB 11KB [ 76.204250] RAWv6 9KB 19KB [ 76.209618] UDPv6 12KB 14KB [ 76.214986] TCPv6 2KB 5KB [ 76.220371] sd_ext_cdb 0KB 3KB [ 76.225740] scsi_sense_cache 88KB 92KB [ 76.231108] virtio_scsi_cmd 16KB 16KB [ 76.236483] sgpool-128 8KB 8KB [ 76.241842] sgpool-64 4KB 6KB [ 76.247203] sgpool-32 95KB 102KB [ 76.252575] sgpool-16 31KB 33KB [ 76.257930] sgpool-8 165KB 165KB [ 76.263298] cfq_io_cq 15KB 15KB [ 76.268664] cfq_queue 25KB 27KB [ 76.274038] mqueue_inode_cache 1KB 7KB [ 76.279500] nfs_commit_data 3KB 7KB [ 76.284854] nfs_write_data 34KB 37KB [ 76.290222] jbd2_inode 1KB 3KB [ 76.295600] ext4_system_zone 0KB 3KB [ 76.300961] bio-1 1KB 3KB [ 76.306331] rpc_buffers 17KB 19KB [ 76.311697] rpc_tasks 2KB 3KB [ 76.317332] UNIX 777KB 780KB [ 76.322688] tcp_bind_bucket 0KB 4KB [ 76.328055] ip_fib_trie 0KB 3KB [ 76.333423] ip_fib_alias 0KB 3KB [ 76.338791] ip_dst_cache 4KB 7KB [ 76.344157] RAW 5KB 7KB [ 76.350317] UDP 29KB 39KB [ 76.355695] TCP 7KB 7KB [ 76.361069] hugetlbfs_inode_cache 1KB 7KB [ 76.366774] eventpoll_pwq 9KB 11KB [ 76.372135] eventpoll_epi 17KB 23KB [ 76.377502] inotify_inode_mark 3KB 7KB [ 76.382942] request_queue 31KB 39KB [ 76.388306] blkdev_ioc 22KB 23KB [ 76.393678] bio-0 300KB 300KB [ 76.399048] biovec-(1<<(21-12)) 528KB 528KB [ 76.404595] biovec-64 122KB 126KB [ 76.409956] biovec-16 14KB 15KB [ 76.415317] bio_integrity_payload 0KB 4KB [ 76.421042] khugepaged_mm_slot 0KB 3KB [ 76.426507] uid_cache 0KB 3KB [ 76.431865] dmaengine-unmap-2 0KB 3KB [ 76.437229] audit_buffer 0KB 3KB [ 76.442984] skbuff_fclone_cache 130KB 135KB [ 76.448530] skbuff_head_cache 1841KB 1845KB [ 76.453883] configfs_dir_cache 0KB 4KB [ 76.459334] file_lock_cache 156KB 158KB [ 76.464691] file_lock_ctx 1KB 3KB [ 76.470050] fsnotify_mark_connector 2KB 3KB [ 76.475928] shmem_inode_cache 1041KB 1042KB [ 76.481291] task_delay_info 302KB 359KB [ 76.486661] sigqueue 350KB 358KB [ 76.492035] kernfs_node_cache 2156KB 2157KB [ 76.497404] mnt_cache 15KB 20KB [ 76.502759] filp 8539KB 8666KB [ 76.508138] names_cache 112493KB 112514KB [ 76.513494] avc_node 37KB 43KB [ 76.518850] selinux_file_security 425KB 453KB [ 76.524561] selinux_inode_security 1921KB 1924KB [ 76.530363] key_jar 3KB 7KB [ 76.535734] nsproxy 0KB 3KB [ 76.541101] vm_area_struct 17958KB 17963KB [ 76.546469] mm_struct 4306KB 4312KB [ 76.551831] fs_cache 403KB 456KB [ 76.557194] files_cache 1511KB 1511KB [ 76.562565] signal_cache 2410KB 2415KB [ 76.567921] sighand_cache 210KB 284KB [ 76.573281] task_struct 10290KB 10290KB [ 76.578660] cred_jar 2277KB 2284KB [ 76.584029] anon_vma_chain 7456KB 7461KB [ 76.589396] anon_vma 131KB 288KB [ 76.594751] pid 210KB 260KB [ 76.600112] Acpi-Operand 106KB 170KB [ 76.605484] Acpi-Namespace 19KB 23KB [ 76.611471] numa_policy 0KB 3KB [ 76.616827] debug_objects_cache 414KB 419KB [ 76.622365] trace_event_file 144KB 147KB [ 76.628935] ftrace_event_field 254KB 255KB [ 76.634386] pool_workqueue 22KB 28KB [ 76.639758] page->ptl 2949KB 2952KB [ 76.645144] kmalloc-262144 1032KB 1032KB [ 76.650513] kmalloc-131072 650KB 650KB [ 76.655865] kmalloc-65536 264KB 264KB [ 76.661224] kmalloc-32768 627KB 627KB [ 76.666592] kmalloc-16384 148KB 148KB [ 76.671948] kmalloc-8192 453KB 453KB [ 76.677309] kmalloc-4096 8491KB 8521KB [ 76.682676] kmalloc-2048 3123KB 3130KB [ 76.688037] kmalloc-1024 3701KB 3701KB [ 76.693403] kmalloc-512 2661KB 2936KB [ 76.698758] kmalloc-256 2038KB 2418KB [ 76.704184] kmalloc-128 396KB 519KB [ 76.709567] kmalloc-96 2056KB 2056KB [ 76.714924] kmalloc-64 2455KB 2456KB [ 76.720285] kmalloc-32 2390KB 2397KB [ 76.725656] kmalloc-192 903KB 904KB [ 76.731036] kmem_cache 100KB 105KB [ 76.736400] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 76.744987] [ 1771] 0 1771 5385 184 90112 0 -1000 udevd [ 76.753136] [ 3339] 0 3339 14265 173 114688 0 0 rsyslogd [ 76.761553] [ 3390] 0 3390 4725 51 81920 0 0 cron [ 76.769604] [ 3402] 0 3402 3736 45 65536 0 0 mcstransd [ 76.778103] [ 3432] 0 3432 12490 152 135168 0 -1000 sshd [ 76.786170] [ 3464] 0 3464 3694 41 73728 0 0 getty [ 76.794322] [ 3465] 0 3465 3694 40 77824 0 0 getty [ 76.802475] [ 3466] 0 3466 3694 42 69632 0 0 getty [ 76.810627] [ 3467] 0 3467 3694 40 77824 0 0 getty [ 76.818766] [ 3468] 0 3468 3694 42 73728 0 0 getty [ 76.827347] [ 3469] 0 3469 3694 40 77824 0 0 getty [ 76.839424] [ 3470] 0 3470 3649 39 73728 0 0 getty [ 76.847581] [ 3473] 0 3473 5681 454 90112 0 -1000 udevd [ 76.855735] [ 3474] 0 3474 5681 454 90112 0 -1000 udevd [ 76.863869] [ 3494] 0 3494 17821 197 188416 0 0 sshd [ 76.871914] [ 3496] 0 3496 237 1 28672 0 0 syzkaller344680 [ 76.880912] [ 3497] 0 3497 4332 0 28672 0 0 syzkaller344680 [ 76.889909] [ 3498] 0 3498 4332 0 28672 0 0 syzkaller344680 [ 76.898907] [ 3499] 0 3499 4332 0 28672 0 0 syzkaller344680 [ 76.907906] [ 3500] 0 3500 4332 0 28672 0 0 syzkaller344680 [ 76.916905] [ 3501] 0 3501 4332 521 32768 0 0 syzkaller344680 [ 76.925904] [ 3502] 0 3502 4332 521 32768 0 0 syzkaller344680 [ 76.934902] [ 3503] 0 3503 4332 521 32768 0 0 syzkaller344680 [ 76.943908] [ 3504] 0 3504 4332 521 32768 0 0 syzkaller344680 [ 76.952905] Out of memory: Kill process 3501 (syzkaller344680) score 0 or sacrifice child [ 76.961238] Killed process 3501 (syzkaller344680) total-vm:17328kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 76.973660] oom_reaper: reaped process 3501 (syzkaller344680), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 76.988687] syzkaller344680 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 77.001113] syzkaller344680 cpuset=/ mems_allowed=0 [ 77.006150] CPU: 1 PID: 3503 Comm: syzkaller344680 Not tainted 4.15.0-rc7+ #167 [ 77.013570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.022899] Call Trace: [ 77.025462] dump_stack+0x194/0x257 [ 77.029058] ? arch_local_irq_restore+0x53/0x53 [ 77.033697] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 77.038858] dump_header+0x28c/0xe1e [ 77.042544] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 77.047705] ? print_irqtrace_events+0x270/0x270 [ 77.052427] ? pagefault_out_of_memory+0x152/0x152 [ 77.057321] ? check_noncircular+0x20/0x20 [ 77.061525] ? print_irqtrace_events+0x270/0x270 [ 77.066251] ? __lock_acquire+0x664/0x3e00 [ 77.070454] ? check_noncircular+0x20/0x20 [ 77.074661] ? find_held_lock+0x35/0x1d0 [ 77.078782] ? check_noncircular+0x20/0x20 [ 77.082980] ? task_will_free_mem+0x252/0xaa0 [ 77.087445] ? print_irqtrace_events+0x270/0x270 [ 77.092172] ? ___ratelimit+0x30d/0x630 [ 77.096118] ? lock_downgrade+0x980/0x980 [ 77.100236] ? lock_release+0xa40/0xa40 [ 77.104182] ? mark_held_locks+0xaf/0x100 [ 77.108300] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 77.113372] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 77.118354] ? trace_hardirqs_on+0xd/0x10 [ 77.122470] ? ___ratelimit+0x95/0x630 [ 77.126326] ? idr_get_free_cmn+0xfd0/0xfd0 [ 77.130611] ? check_noncircular+0x20/0x20 [ 77.134812] ? find_held_lock+0x138/0x1d0 [ 77.138932] oom_kill_process+0x8b5/0x14a0 [ 77.143139] ? has_ns_capability_noaudit+0x163/0x2a0 [ 77.148208] ? lock_downgrade+0x980/0x980 [ 77.152327] ? oom_evaluate_task+0x480/0x480 [ 77.156714] ? security_capable_noaudit+0x8b/0xc0 [ 77.161527] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 77.166594] ? has_capability+0x30/0x30 [ 77.170533] ? do_raw_spin_trylock+0x190/0x190 [ 77.175082] ? check_noncircular+0x20/0x20 [ 77.179294] ? has_capability_noaudit+0x24/0x30 [ 77.183930] ? oom_badness+0xd1/0x980 [ 77.187696] ? lock_release+0xa40/0xa40 [ 77.191637] ? do_try_to_free_pages+0xc53/0x1020 [ 77.196358] ? find_lock_task_mm+0x460/0x460 [ 77.200738] ? find_held_lock+0x35/0x1d0 [ 77.204771] ? out_of_memory+0xb3a/0x1220 [ 77.208887] ? lock_downgrade+0x980/0x980 [ 77.213003] ? lock_release+0xa40/0xa40 [ 77.216950] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 77.221850] ? oom_evaluate_task+0x284/0x480 [ 77.226227] out_of_memory+0x86d/0x1220 [ 77.230177] ? oom_killer_disable+0x310/0x310 [ 77.234639] ? mutex_trylock+0x23a/0x2d0 [ 77.238665] ? __lock_is_held+0xb6/0x140 [ 77.242690] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 77.248114] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 77.252948] ? warn_alloc+0x2b0/0x2b0 [ 77.256716] ? lock_release+0xa40/0xa40 [ 77.260662] ? print_irqtrace_events+0x270/0x270 [ 77.265388] ? find_held_lock+0x35/0x1d0 [ 77.269421] ? __mutex_lock+0x5bd/0x1a80 [ 77.273457] ? __lock_acquire+0x664/0x3e00 [ 77.277658] ? lock_release+0xa40/0xa40 [ 77.281601] ? do_raw_spin_trylock+0x190/0x190 [ 77.286157] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 77.291320] ? __lock_is_held+0xb6/0x140 [ 77.295359] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 77.301207] ? find_held_lock+0x35/0x1d0 [ 77.305240] ? __might_sleep+0x95/0x190 [ 77.309183] __alloc_pages_nodemask+0x9fb/0xd80 [ 77.313816] ? lock_release+0xa40/0xa40 [ 77.317758] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 77.322746] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 77.327645] ? print_irqtrace_events+0x270/0x270 [ 77.332375] ? __lock_is_held+0xb6/0x140 [ 77.336414] ? find_next_bit+0x27/0x30 [ 77.340272] pcpu_populate_chunk+0x1b3/0x880 [ 77.344656] pcpu_alloc+0x978/0x10e0 [ 77.348347] ? pcpu_free_area+0xa00/0xa00 [ 77.352464] ? vmap_page_range_noflush+0x523/0x720 [ 77.357375] ? retint_kernel+0x10/0x10 [ 77.361230] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 77.366212] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 77.370942] ? retint_kernel+0x10/0x10 [ 77.374807] __alloc_percpu_gfp+0x27/0x30 [ 77.378922] array_map_alloc+0x68a/0x830 [ 77.382955] SyS_bpf+0x7f8/0x4420 [ 77.386378] ? bpf_prog_get+0x20/0x20 [ 77.390146] ? __lock_acquire+0x664/0x3e00 [ 77.394352] ? perf_event_fork+0x30/0x30 [ 77.398388] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 77.403542] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 77.408703] ? vma_wants_writenotify+0x51/0x3b0 [ 77.413346] ? vma_wants_writenotify+0x3b0/0x3b0 [ 77.418071] ? vma_link+0xe9/0x170 [ 77.421588] ? mmap_region+0x52e/0x15a0 [ 77.425536] ? find_held_lock+0x35/0x1d0 [ 77.429567] ? check_noncircular+0x20/0x20 [ 77.433772] ? __handle_mm_fault+0x80e/0x3ce0 [ 77.438236] ? check_noncircular+0x20/0x20 [ 77.442441] ? __pmd_alloc+0x4e0/0x4e0 [ 77.446324] ? find_held_lock+0x35/0x1d0 [ 77.450369] ? handle_mm_fault+0x248/0x8d0 [ 77.454580] ? find_held_lock+0x35/0x1d0 [ 77.458622] ? __do_page_fault+0x5f7/0xc90 [ 77.462831] ? lock_downgrade+0x980/0x980 [ 77.466954] ? handle_mm_fault+0x410/0x8d0 [ 77.471155] ? down_read_trylock+0xdb/0x170 [ 77.475445] ? __do_page_fault+0x32d/0xc90 [ 77.479648] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 77.484199] ? vmacache_find+0x5f/0x280 [ 77.488149] ? vmacache_update+0xfe/0x130 [ 77.492270] ? up_read+0x1a/0x40 [ 77.495624] ? do_fast_syscall_32+0x156/0xf9d [ 77.500093] ? bpf_prog_get+0x20/0x20 [ 77.503864] do_fast_syscall_32+0x3ee/0xf9d [ 77.508164] ? do_int80_syscall_32+0x9d0/0x9d0 [ 77.512720] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 77.517449] ? syscall_return_slowpath+0x2ad/0x550 [ 77.522346] ? prepare_exit_to_usermode+0x340/0x340 [ 77.527339] ? retint_user+0x18/0x18 [ 77.531031] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.535849] entry_SYSENTER_compat+0x54/0x63 [ 77.540225] RIP: 0023:0xf7f30c79 [ 77.543556] RSP: 002b:00000000ffe8deec EFLAGS: 00000282 ORIG_RAX: 0000000000000165 [ 77.551239] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020c47fec [ 77.558483] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 77.565728] RBP: 00000000ffe8df38 R08: 0000000000000000 R09: 0000000000000000 [ 77.572967] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 77.580204] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 77.587514] Mem-Info: [ 77.589941] active_anon:3514 inactive_anon:61 isolated_anon:0 [ 77.589941] active_file:0 inactive_file:9 isolated_file:0 [ 77.589941] unevictable:0 dirty:0 writeback:0 unstable:0 [ 77.589941] slab_reclaimable:7221 slab_unreclaimable:83705 [ 77.589941] mapped:3 shmem:68 pagetables:304 bounce:0 [ 77.589941] free:21360 free_pcp:0 free_cma:0 [ 77.621721] Node 0 active_anon:14056kB inactive_anon:244kB active_file:84kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 77.648706] 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 [ 77.674824] lowmem_reserve[]: 0 2871 6381 6381 [ 77.679410] Node 0 DMA32 free:44156kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 77.706571] lowmem_reserve[]: 0 0 3510 3510 [ 77.710901] Node 0 Normal free:25376kB min:37084kB low:46352kB high:55620kB active_anon:14056kB inactive_anon:244kB active_file:0kB inactive_file:136kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3008kB pagetables:1216kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 77.739409] lowmem_reserve[]: 0 0 0 0 [ 77.743262] 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 [ 77.756890] Node 0 DMA32: 3*4kB (UM) 2*8kB (U) 4*16kB (UM) 1*32kB (U) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 4*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44156kB [ 77.772128] Node 0 Normal: 448*4kB (UME) 351*8kB (UME) 221*16kB (UME) 144*32kB (UME) 77*64kB (UME) 27*128kB (M) 17*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 25480kB [ 77.787573] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 77.796420] 98 total pagecache pages [ 77.800128] 0 pages in swap cache [ 77.803581] Swap cache stats: add 0, delete 0, find 0/0 [ 77.808939] Free swap = 0kB [ 77.811955] Total swap = 0kB [ 77.814966] 1965979 pages RAM [ 77.818069] 0 pages HighMem/MovableOnly [ 77.822049] 327749 pages reserved [ 77.825496] Unreclaimable slab info: [ 77.829221] Name Used Total [ 77.834776] hashtab_node 118KB 119KB [ 77.840146] ebitmap_node 382KB 385KB [ 77.845518] avtab_node 1012KB 1013KB [ 77.850901] TIPC 1KB 7KB [ 77.856276] SCTPv6 2KB 4KB [ 77.861639] DCCPv6 2KB 7KB [ 77.867043] DCCP 2KB 6KB [ 77.872434] fib6_nodes 0KB 4KB [ 77.877795] ip6_dst_cache 6KB 11KB [ 77.883162] RAWv6 9KB 19KB [ 77.888534] UDPv6 12KB 14KB [ 77.893901] TCPv6 2KB 5KB [ 77.899288] sd_ext_cdb 0KB 3KB [ 77.904655] scsi_sense_cache 88KB 92KB [ 77.910037] virtio_scsi_cmd 16KB 16KB [ 77.915416] sgpool-128 8KB 8KB [ 77.920773] sgpool-64 4KB 6KB [ 77.926149] sgpool-32 94KB 102KB [ 77.931513] sgpool-16 31KB 33KB [ 77.936876] sgpool-8 168KB 168KB [ 77.942249] cfq_io_cq 15KB 15KB [ 77.947616] cfq_queue 25KB 27KB [ 77.952983] mqueue_inode_cache 1KB 7KB [ 77.958444] nfs_commit_data 3KB 7KB [ 77.963811] nfs_write_data 34KB 37KB [ 77.969190] jbd2_inode 1KB 3KB [ 77.974550] ext4_system_zone 0KB 3KB [ 77.979924] bio-1 1KB 3KB [ 77.985303] rpc_buffers 17KB 19KB [ 77.990669] rpc_tasks 2KB 3KB [ 77.996035] UNIX 777KB 780KB [ 78.001409] tcp_bind_bucket 0KB 4KB [ 78.006765] ip_fib_trie 0KB 3KB [ 78.012126] ip_fib_alias 0KB 3KB [ 78.017489] ip_dst_cache 4KB 7KB [ 78.022868] RAW 5KB 7KB [ 78.028258] UDP 29KB 39KB [ 78.033632] TCP 7KB 7KB [ 78.038995] hugetlbfs_inode_cache 1KB 7KB [ 78.044718] eventpoll_pwq 9KB 11KB [ 78.050089] eventpoll_epi 17KB 23KB [ 78.055458] inotify_inode_mark 3KB 7KB [ 78.060922] request_queue 31KB 39KB [ 78.066304] blkdev_ioc 22KB 23KB [ 78.071663] bio-0 300KB 300KB [ 78.077203] biovec-(1<<(21-12)) 528KB 528KB [ 78.082736] biovec-64 122KB 126KB [ 78.088103] biovec-16 14KB 15KB [ 78.093464] bio_integrity_payload 0KB 4KB [ 78.099178] khugepaged_mm_slot 0KB 3KB [ 78.104646] uid_cache 0KB 3KB [ 78.110029] dmaengine-unmap-2 0KB 3KB [ 78.115406] audit_buffer 0KB 3KB [ 78.120763] skbuff_fclone_cache 130KB 135KB [ 78.126310] skbuff_head_cache 1841KB 1845KB [ 78.131667] configfs_dir_cache 0KB 4KB [ 78.137120] file_lock_cache 156KB 158KB [ 78.142479] file_lock_ctx 1KB 3KB [ 78.147841] fsnotify_mark_connector 2KB 3KB [ 78.153735] shmem_inode_cache 1041KB 1042KB [ 78.159107] task_delay_info 302KB 359KB [ 78.164468] sigqueue 350KB 358KB [ 78.169832] kernfs_node_cache 2156KB 2157KB [ 78.175207] mnt_cache 15KB 20KB [ 78.180566] filp 8539KB 8666KB [ 78.185931] names_cache 112493KB 112514KB [ 78.191330] avc_node 37KB 43KB [ 78.196689] selinux_file_security 425KB 453KB [ 78.202562] selinux_inode_security 1921KB 1924KB [ 78.208363] key_jar 3KB 7KB [ 78.213720] nsproxy 0KB 3KB [ 78.219085] vm_area_struct 17958KB 17963KB [ 78.224460] mm_struct 4306KB 4312KB [ 78.229825] fs_cache 403KB 456KB [ 78.235189] files_cache 1511KB 1511KB [ 78.240557] signal_cache 2410KB 2415KB [ 78.245920] sighand_cache 210KB 284KB [ 78.251291] task_struct 10290KB 10290KB [ 78.256650] cred_jar 2277KB 2284KB [ 78.262038] anon_vma_chain 7456KB 7461KB [ 78.267401] anon_vma 130KB 288KB [ 78.272751] pid 210KB 260KB [ 78.278120] Acpi-Operand 106KB 170KB [ 78.283480] Acpi-Namespace 19KB 23KB [ 78.288833] numa_policy 0KB 3KB [ 78.294199] debug_objects_cache 414KB 419KB [ 78.299736] trace_event_file 144KB 147KB [ 78.305100] ftrace_event_field 254KB 255KB [ 78.310545] pool_workqueue 22KB 28KB [ 78.315912] page->ptl 2949KB 2952KB [ 78.321308] kmalloc-262144 1032KB 1032KB [ 78.326676] kmalloc-131072 650KB 650KB [ 78.332041] kmalloc-65536 264KB 264KB [ 78.337407] kmalloc-32768 627KB 627KB [ 78.342765] kmalloc-16384 148KB 148KB [ 78.348142] kmalloc-8192 453KB 453KB [ 78.353498] kmalloc-4096 8491KB 8521KB [ 78.358860] kmalloc-2048 3123KB 3130KB [ 78.364227] kmalloc-1024 3709KB 3709KB [ 78.369586] kmalloc-512 2661KB 2936KB [ 78.374939] kmalloc-256 2038KB 2418KB [ 78.380305] kmalloc-128 396KB 519KB [ 78.385664] kmalloc-96 2064KB 2064KB [ 78.391036] kmalloc-64 2460KB 2460KB [ 78.396411] kmalloc-32 2390KB 2397KB [ 78.401769] kmalloc-192 908KB 908KB [ 78.407132] kmem_cache 100KB 105KB [ 78.412492] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 78.421095] [ 1771] 0 1771 5385 184 90112 0 -1000 udevd [ 78.429254] [ 3339] 0 3339 14265 173 114688 0 0 rsyslogd [ 78.437672] [ 3390] 0 3390 4725 51 81920 0 0 cron [ 78.446246] [ 3402] 0 3402 3736 45 65536 0 0 mcstransd [ 78.454745] [ 3432] 0 3432 12490 152 135168 0 -1000 sshd [ 78.462809] [ 3464] 0 3464 3694 41 73728 0 0 getty [ 78.470965] [ 3465] 0 3465 3694 40 77824 0 0 getty [ 78.479123] [ 3466] 0 3466 3694 42 69632 0 0 getty [ 78.487263] [ 3467] 0 3467 3694 40 77824 0 0 getty [ 78.495417] [ 3468] 0 3468 3694 42 73728 0 0 getty [ 78.503558] [ 3469] 0 3469 3694 40 77824 0 0 getty [ 78.511708] [ 3470] 0 3470 3649 39 73728 0 0 getty [ 78.519876] [ 3473] 0 3473 5681 454 90112 0 -1000 udevd [ 78.528049] [ 3474] 0 3474 5681 454 90112 0 -1000 udevd [ 78.536187] [ 3494] 0 3494 17821 197 188416 0 0 sshd [ 78.544249] [ 3496] 0 3496 237 1 28672 0 0 syzkaller344680 [ 78.553276] [ 3497] 0 3497 4332 0 28672 0 0 syzkaller344680 [ 78.562285] [ 3498] 0 3498 4332 0 28672 0 0 syzkaller344680 [ 78.571307] [ 3499] 0 3499 4332 0 28672 0 0 syzkaller344680 [ 78.580325] [ 3500] 0 3500 4332 0 28672 0 0 syzkaller344680 [ 78.589352] [ 3501] 0 3501 4332 0 28672 0 0 syzkaller344680 [ 78.598363] [ 3502] 0 3502 4332 521 32768 0 0 syzkaller344680 [ 78.607383] [ 3503] 0 3503 4332 521 32768 0 0 syzkaller344680 [ 78.616390] [ 3504] 0 3504 4332 521 32768 0 0 syzkaller344680 [ 78.625406] Out of memory: Kill process 3502 (syzkaller344680) score 0 or sacrifice child [ 78.633745] Killed process 3502 (syzkaller344680) total-vm:17328kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 78.646160] oom_reaper: reaped process 3502 (syzkaller344680), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 78.657903] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 78.668934] init cpuset=/ mems_allowed=0 [ 78.673036] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc7+ #167 [ 78.679250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.688590] Call Trace: [ 78.691160] dump_stack+0x194/0x257 [ 78.694771] ? arch_local_irq_restore+0x53/0x53 [ 78.699423] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 78.704600] dump_header+0x28c/0xe1e [ 78.708305] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 78.713501] ? pagefault_out_of_memory+0x152/0x152 [ 78.718418] ? check_noncircular+0x20/0x20 [ 78.722627] ? print_irqtrace_events+0x270/0x270 [ 78.727541] ? __lock_acquire+0x664/0x3e00 [ 78.731767] ? check_noncircular+0x20/0x20 [ 78.735999] ? find_held_lock+0x35/0x1d0 [ 78.740055] ? check_noncircular+0x20/0x20 [ 78.744278] ? task_will_free_mem+0x252/0xaa0 [ 78.748765] ? print_irqtrace_events+0x270/0x270 [ 78.753502] ? ___ratelimit+0x30d/0x630 [ 78.757447] ? lock_downgrade+0x980/0x980 [ 78.761566] ? lock_release+0xa40/0xa40 [ 78.765515] ? mark_held_locks+0xaf/0x100 [ 78.769633] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 78.774708] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 78.779692] ? trace_hardirqs_on+0xd/0x10 [ 78.783811] ? ___ratelimit+0x95/0x630 [ 78.787668] ? idr_get_free_cmn+0xfd0/0xfd0 [ 78.792049] ? check_noncircular+0x20/0x20 [ 78.796253] ? find_held_lock+0x138/0x1d0 [ 78.800375] oom_kill_process+0x8b5/0x14a0 [ 78.804590] ? has_ns_capability_noaudit+0x163/0x2a0 [ 78.809661] ? lock_downgrade+0x980/0x980 [ 78.813780] ? oom_evaluate_task+0x480/0x480 [ 78.818169] ? security_capable_noaudit+0x8b/0xc0 [ 78.822982] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 78.828056] ? has_capability+0x30/0x30 [ 78.832022] ? do_raw_spin_trylock+0x190/0x190 [ 78.836575] ? check_noncircular+0x20/0x20 [ 78.840908] ? has_capability_noaudit+0x24/0x30 [ 78.845545] ? oom_badness+0xd1/0x980 [ 78.849315] ? lock_release+0xa40/0xa40 [ 78.853261] ? do_try_to_free_pages+0xc53/0x1020 [ 78.857986] ? find_lock_task_mm+0x460/0x460 [ 78.862368] ? find_held_lock+0x35/0x1d0 [ 78.866402] ? out_of_memory+0xb3a/0x1220 [ 78.870526] ? lock_downgrade+0x980/0x980 [ 78.874656] ? lock_release+0xa40/0xa40 [ 78.878601] ? lock_acquire+0x1d5/0x580 [ 78.882558] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 78.887460] ? oom_evaluate_task+0x284/0x480 [ 78.891848] out_of_memory+0x86d/0x1220 [ 78.895798] ? oom_killer_disable+0x310/0x310 [ 78.900267] ? mutex_trylock+0x23a/0x2d0 [ 78.904297] ? __lock_is_held+0xb6/0x140 [ 78.908326] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 78.913752] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 78.918569] ? trace_hardirqs_on+0xd/0x10 [ 78.922716] ? warn_alloc+0x2b0/0x2b0 [ 78.926492] ? lock_downgrade+0x980/0x980 [ 78.930630] ? find_get_entry+0x53c/0x9e0 [ 78.934766] ? __lock_acquire+0x664/0x3e00 [ 78.938996] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 78.944862] ? __might_sleep+0x95/0x190 [ 78.948807] __alloc_pages_nodemask+0x9fb/0xd80 [ 78.953459] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 78.958444] ? add_to_page_cache_lru+0x510/0x510 [ 78.963180] ? check_noncircular+0x20/0x20 [ 78.967384] ? check_noncircular+0x20/0x20 [ 78.971601] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 78.976349] alloc_pages_current+0xb6/0x1e0 [ 78.980644] __page_cache_alloc+0x334/0x500 [ 78.984933] ? rcu_read_lock_held+0xa9/0xc0 [ 78.989224] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 78.996570] filemap_fault+0xefc/0x1c20 [ 79.000519] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 79.005692] ? __lock_page_or_retry+0x4f0/0x4f0 [ 79.010336] ? filemap_map_pages+0x942/0x15d0 [ 79.014810] ? find_get_entries_tag+0xeb0/0xeb0 [ 79.019450] ? remove_wait_queue+0x1b4/0x350 [ 79.023835] ? check_noncircular+0x20/0x20 [ 79.028040] ? print_irqtrace_events+0x270/0x270 [ 79.032770] ? add_wait_queue+0x290/0x290 [ 79.036896] ? print_irqtrace_events+0x270/0x270 [ 79.041618] ? print_irqtrace_events+0x270/0x270 [ 79.046340] ? print_irqtrace_events+0x270/0x270 [ 79.051069] ? fput+0xd2/0x140 [ 79.054243] ? lock_acquire+0x1d5/0x580 [ 79.058183] ? lock_acquire+0x1d5/0x580 [ 79.062131] ? ext4_filemap_fault+0x7a/0xad [ 79.066422] ? __lock_acquire+0x664/0x3e00 [ 79.070629] ? lock_release+0xa40/0xa40 [ 79.074571] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 79.080434] ? rcu_note_context_switch+0x710/0x710 [ 79.085335] ? __might_sleep+0x95/0x190 [ 79.089281] ? down_read+0x96/0x150 [ 79.092873] ? ext4_filemap_fault+0x7a/0xad [ 79.097164] ? __down_interruptible+0x6b0/0x6b0 [ 79.101813] ext4_filemap_fault+0x82/0xad [ 79.105933] __do_fault+0xeb/0x30f [ 79.109454] ? pte_offset_kernel+0xc7/0xc7 [ 79.113654] ? set_fd_set.part.0+0x70/0x70 [ 79.117857] ? do_raw_spin_trylock+0x190/0x190 [ 79.122411] ? check_noncircular+0x20/0x20 [ 79.126618] __handle_mm_fault+0x1d8f/0x3ce0 [ 79.130999] ? __pmd_alloc+0x4e0/0x4e0 [ 79.134858] ? find_held_lock+0x35/0x1d0 [ 79.138890] ? find_held_lock+0x35/0x1d0 [ 79.142928] ? handle_mm_fault+0x248/0x8d0 [ 79.147132] ? lock_downgrade+0x980/0x980 [ 79.151271] handle_mm_fault+0x334/0x8d0 [ 79.155309] ? down_read_trylock+0xdb/0x170 [ 79.159600] ? __do_page_fault+0x32d/0xc90 [ 79.163803] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 79.168355] ? vmacache_find+0x5f/0x280 [ 79.172301] ? find_vma+0x30/0x150 [ 79.175820] __do_page_fault+0x5c9/0xc90 [ 79.179865] ? mm_fault_error+0x2c0/0x2c0 [ 79.183981] ? find_held_lock+0x35/0x1d0 [ 79.188027] do_page_fault+0xee/0x720 [ 79.191799] ? __do_page_fault+0xc90/0xc90 [ 79.196003] ? lock_release+0xa40/0xa40 [ 79.199951] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 79.205802] ? SyS_select+0x1ae/0x230 [ 79.209579] ? retint_user+0x18/0x18 [ 79.213280] ? page_fault+0x36/0x60 [ 79.216884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 79.221705] ? page_fault+0x36/0x60 [ 79.225307] page_fault+0x4c/0x60 [ 79.228734] RIP: 0033:0x40391d [ 79.231891] RSP: 002b:00007ffe5bef8140 EFLAGS: 00010202 [ 79.237574] RAX: 0000000000b13c25 RBX: 0000000000b13c00 RCX: 0000000000000004 [ 79.244813] RDX: 0000000000000fe0 RSI: 0000000000000005 RDI: 0000000000b13c24 [ 79.252050] RBP: 0000000000000080 R08: 0000000000b13c20 R09: 0000000000000001 [ 79.259295] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000080 [ 79.266532] R13: 0000000000000001 R14: 0000000000000032 R15: 0000000000000000 [ 79.273892] Mem-Info: [ 79.276735] active_anon:2996 inactive_anon:61 isolated_anon:0 [ 79.276735] active_file:15 inactive_file:15 isolated_file:0 [ 79.276735] unevictable:0 dirty:0 writeback:0 unstable:0 [ 79.276735] slab_reclaimable:7221 slab_unreclaimable:83705 [ 79.276735] mapped:3 shmem:68 pagetables:302 bounce:0 [ 79.276735] free:21898 free_pcp:8 free_cma:0 [ 79.308691] Node 0 active_anon:11984kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 79.335608] 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 [ 79.361726] lowmem_reserve[]: 0 2871 6381 6381 [ 79.366330] Node 0 DMA32 free:44156kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 79.393504] lowmem_reserve[]: 0 0 3510 3510 [ 79.397829] Node 0 Normal free:27528kB min:37084kB low:46352kB high:55620kB active_anon:11984kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3008kB pagetables:1208kB bounce:0kB free_pcp:36kB local_pcp:0kB free_cma:0kB [ 79.427215] lowmem_reserve[]: 0 0 0 0 [ 79.431047] 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 [ 79.444623] Node 0 DMA32: 3*4kB (UM) 2*8kB (U) 4*16kB (UM) 1*32kB (U) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 4*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44156kB [ 79.459865] Node 0 Normal: 448*4kB (UME) 351*8kB (UME) 221*16kB (UME) 144*32kB (UME) 77*64kB (UME) 27*128kB (M) 17*256kB (UM) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 27528kB [ 79.475683] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 79.484269] 98 total pagecache pages [ 79.487980] 0 pages in swap cache [ 79.491434] Swap cache stats: add 0, delete 0, find 0/0 [ 79.496791] Free swap = 0kB [ 79.499806] Total swap = 0kB [ 79.502829] 1965979 pages RAM [ 79.505930] 0 pages HighMem/MovableOnly [ 79.509909] 327749 pages reserved [ 79.513365] Unreclaimable slab info: [ 79.517085] Name Used Total [ 79.522618] hashtab_node 118KB 119KB [ 79.527984] ebitmap_node 382KB 385KB [ 79.533360] avtab_node 1012KB 1013KB [ 79.538728] TIPC 1KB 7KB [ 79.544103] SCTPv6 2KB 4KB [ 79.549468] DCCPv6 2KB 7KB [ 79.554825] DCCP 2KB 6KB [ 79.560724] fib6_nodes 0KB 4KB [ 79.566081] ip6_dst_cache 6KB 11KB [ 79.571438] RAWv6 9KB 19KB [ 79.576804] UDPv6 12KB 14KB [ 79.582179] TCPv6 2KB 5KB [ 79.587551] sd_ext_cdb 0KB 3KB [ 79.592916] scsi_sense_cache 85KB 92KB [ 79.598290] virtio_scsi_cmd 16KB 16KB [ 79.603741] sgpool-128 8KB 8KB [ 79.609670] sgpool-64 4KB 6KB [ 79.615038] sgpool-32 92KB 102KB [ 79.620404] sgpool-16 31KB 33KB [ 79.625769] sgpool-8 168KB 168KB [ 79.631140] cfq_io_cq 15KB 15KB [ 79.636499] cfq_queue 24KB 27KB [ 79.641852] mqueue_inode_cache 1KB 7KB [ 79.647373] nfs_commit_data 3KB 7KB [ 79.652737] nfs_write_data 34KB 37KB [ 79.658105] jbd2_inode 1KB 3KB [ 79.663473] ext4_system_zone 0KB 3KB [ 79.668845] bio-1 1KB 3KB [ 79.674227] rpc_buffers 17KB 19KB [ 79.679588] rpc_tasks 2KB 3KB [ 79.684959] UNIX 777KB 780KB [ 79.691141] tcp_bind_bucket 0KB 4KB [ 79.696503] ip_fib_trie 0KB 3KB [ 79.701856] ip_fib_alias 0KB 3KB [ 79.707225] ip_dst_cache 4KB 7KB [ 79.712617] RAW 5KB 7KB [ 79.717970] UDP 29KB 39KB [ 79.723343] TCP 7KB 7KB [ 79.728701] hugetlbfs_inode_cache 1KB 7KB [ 79.734417] eventpoll_pwq 9KB 11KB [ 79.739778] eventpoll_epi 17KB 23KB [ 79.745147] inotify_inode_mark 3KB 7KB [ 79.750595] request_queue 31KB 39KB [ 79.755950] blkdev_ioc 21KB 23KB [ 79.761317] bio-0 300KB 300KB [ 79.766674] biovec-(1<<(21-12)) 528KB 528KB [ 79.772215] biovec-64 121KB 126KB [ 79.777575] biovec-16 14KB 15KB [ 79.782941] bio_integrity_payload 0KB 4KB [ 79.788669] khugepaged_mm_slot 0KB 3KB [ 79.794134] uid_cache 0KB 3KB [ 79.799494] dmaengine-unmap-2 0KB 3KB [ 79.804870] audit_buffer 0KB 3KB [ 79.810242] skbuff_fclone_cache 130KB 135KB [ 79.815781] skbuff_head_cache 1841KB 1845KB [ 79.821148] configfs_dir_cache 0KB 4KB [ 79.827043] file_lock_cache 156KB 158KB [ 79.832414] file_lock_ctx 1KB 3KB [ 79.837781] fsnotify_mark_connector 2KB 3KB [ 79.843676] shmem_inode_cache 1041KB 1042KB [ 79.849052] task_delay_info 302KB 359KB [ 79.854412] sigqueue 349KB 358KB [ 79.859781] kernfs_node_cache 2156KB 2157KB [ 79.865153] mnt_cache 15KB 20KB [ 79.870513] filp 8536KB 8662KB [ 79.875879] names_cache 112484KB 112514KB [ 79.881266] avc_node 37KB 43KB [ 79.886627] selinux_file_security 425KB 453KB [ 79.892341] selinux_inode_security 1921KB 1924KB [ 79.898144] key_jar 3KB 7KB [ 79.903499] nsproxy 0KB 3KB [ 79.908868] vm_area_struct 17958KB 17963KB [ 79.914242] mm_struct 4306KB 4312KB [ 79.919601] fs_cache 403KB 456KB [ 79.924967] files_cache 1511KB 1511KB [ 79.930340] signal_cache 2410KB 2415KB [ 79.935712] sighand_cache 210KB 284KB [ 79.941085] task_struct 10290KB 10290KB [ 79.946448] cred_jar 2277KB 2284KB [ 79.951808] anon_vma_chain 7456KB 7461KB [ 79.957178] anon_vma 125KB 285KB [ 79.962963] pid 210KB 260KB [ 79.968330] Acpi-Operand 106KB 170KB [ 79.973690] Acpi-Namespace 19KB 23KB [ 79.979063] numa_policy 0KB 3KB [ 79.984421] debug_objects_cache 414KB 419KB [ 79.989957] trace_event_file 144KB 147KB [ 79.995337] ftrace_event_field 254KB 255KB [ 80.000780] pool_workqueue 22KB 28KB [ 80.006145] page->ptl 2949KB 2952KB [ 80.011519] kmalloc-262144 1032KB 1032KB [ 80.016894] kmalloc-131072 650KB 650KB [ 80.022267] kmalloc-65536 264KB 264KB [ 80.027626] kmalloc-32768 627KB 627KB [ 80.032992] kmalloc-16384 148KB 148KB [ 80.038366] kmalloc-8192 453KB 453KB [ 80.043724] kmalloc-4096 8483KB 8521KB [ 80.049094] kmalloc-2048 3123KB 3130KB [ 80.054453] kmalloc-1024 3708KB 3709KB [ 80.059805] kmalloc-512 2661KB 2936KB [ 80.065186] kmalloc-256 2035KB 2415KB [ 80.070552] kmalloc-128 396KB 519KB [ 80.075911] kmalloc-96 2061KB 2064KB [ 80.081278] kmalloc-64 2458KB 2460KB [ 80.086645] kmalloc-32 2388KB 2397KB [ 80.092046] kmalloc-192 906KB 908KB [ 80.097826] kmem_cache 100KB 105KB [ 80.103193] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 80.111785] [ 1771] 0 1771 5385 184 90112 0 -1000 udevd [ 80.119940] [ 3339] 0 3339 14265 173 114688 0 0 rsyslogd [ 80.128366] [ 3390] 0 3390 4725 51 81920 0 0 cron [ 80.136419] [ 3402] 0 3402 3736 45 65536 0 0 mcstransd [ 80.144918] [ 3432] 0 3432 12490 152 135168 0 -1000 sshd [ 80.152993] [ 3464] 0 3464 3694 41 73728 0 0 getty [ 80.161168] [ 3465] 0 3465 3694 40 77824 0 0 getty [ 80.169310] [ 3466] 0 3466 3694 42 69632 0 0 getty [ 80.177461] [ 3467] 0 3467 3694 40 77824 0 0 getty [ 80.185618] [ 3468] 0 3468 3694 42 73728 0 0 getty [ 80.193775] [ 3469] 0 3469 3694 40 77824 0 0 getty [ 80.201932] [ 3470] 0 3470 3649 39 73728 0 0 getty [ 80.210101] [ 3473] 0 3473 5681 454 90112 0 -1000 udevd [ 80.218250] [ 3474] 0 3474 5681 454 90112 0 -1000 udevd [ 80.226426] [ 3494] 0 3494 17821 197 188416 0 0 sshd [ 80.234674] [ 3496] 0 3496 237 1 28672 0 0 syzkaller344680 [ 80.243696] [ 3497] 0 3497 4332 0 28672 0 0 syzkaller344680 [ 80.252717] [ 3498] 0 3498 4332 0 28672 0 0 syzkaller344680 [ 80.261757] [ 3499] 0 3499 4332 0 28672 0 0 syzkaller344680 [ 80.270778] [ 3500] 0 3500 4332 0 28672 0 0 syzkaller344680 [ 80.279805] [ 3501] 0 3501 4332 0 28672 0 0 syzkaller344680 [ 80.288829] [ 3502] 0 3502 4332 0 28672 0 0 syzkaller344680 [ 80.297861] [ 3503] 0 3503 4332 521 32768 0 0 syzkaller344680 [ 80.306896] [ 3504] 0 3504 4332 521 32768 0 0 syzkaller344680 [ 80.315913] Out of memory: Kill process 3503 (syzkaller344680) score 0 or sacrifice child [ 80.325084] Killed process 3503 (syzkaller344680) total-vm:17328kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 80.340670] oom_reaper: reaped process 3503 (syzkaller344680), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 80.351665] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 80.363763] rsyslogd cpuset=/ mems_allowed=0 [ 80.368211] CPU: 0 PID: 3342 Comm: rsyslogd Not tainted 4.15.0-rc7+ #167 [ 80.375036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.384362] Call Trace: [ 80.386923] dump_stack+0x194/0x257 [ 80.390528] ? arch_local_irq_restore+0x53/0x53 [ 80.395168] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 80.400341] dump_header+0x28c/0xe1e [ 80.404039] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 80.409206] ? pagefault_out_of_memory+0x152/0x152 [ 80.414113] ? check_noncircular+0x20/0x20 [ 80.418325] ? print_irqtrace_events+0x270/0x270 [ 80.423052] ? __lock_acquire+0x664/0x3e00 [ 80.427261] ? check_noncircular+0x20/0x20 [ 80.431475] ? find_held_lock+0x35/0x1d0 [ 80.435517] ? check_noncircular+0x20/0x20 [ 80.439724] ? task_will_free_mem+0x252/0xaa0 [ 80.444198] ? print_irqtrace_events+0x270/0x270 [ 80.448936] ? ___ratelimit+0x30d/0x630 [ 80.452885] ? lock_downgrade+0x980/0x980 [ 80.457024] ? lock_release+0xa40/0xa40 [ 80.460980] ? mark_held_locks+0xaf/0x100 [ 80.465100] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 80.470171] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 80.475156] ? trace_hardirqs_on+0xd/0x10 [ 80.479275] ? ___ratelimit+0x95/0x630 [ 80.483131] ? idr_get_free_cmn+0xfd0/0xfd0 [ 80.487428] ? check_noncircular+0x20/0x20 [ 80.491629] ? find_held_lock+0x138/0x1d0 [ 80.495757] oom_kill_process+0x8b5/0x14a0 [ 80.499972] ? has_ns_capability_noaudit+0x163/0x2a0 [ 80.505044] ? lock_downgrade+0x980/0x980 [ 80.509167] ? oom_evaluate_task+0x480/0x480 [ 80.513562] ? security_capable_noaudit+0x8b/0xc0 [ 80.518386] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 80.523458] ? has_capability+0x30/0x30 [ 80.527401] ? do_raw_spin_trylock+0x190/0x190 [ 80.531951] ? check_noncircular+0x20/0x20 [ 80.536160] ? has_capability_noaudit+0x24/0x30 [ 80.540796] ? oom_badness+0xd1/0x980 [ 80.544564] ? lock_release+0xa40/0xa40 [ 80.548508] ? do_try_to_free_pages+0xc53/0x1020 [ 80.553233] ? find_lock_task_mm+0x460/0x460 [ 80.557614] ? find_held_lock+0x35/0x1d0 [ 80.561649] ? out_of_memory+0xb3a/0x1220 [ 80.565773] ? lock_downgrade+0x980/0x980 [ 80.569891] ? lock_release+0xa40/0xa40 [ 80.573830] ? lock_acquire+0x1d5/0x580 [ 80.577773] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 80.582684] ? oom_evaluate_task+0x284/0x480 [ 80.587090] out_of_memory+0x86d/0x1220 [ 80.591045] ? oom_killer_disable+0x310/0x310 [ 80.595508] ? mutex_trylock+0x23a/0x2d0 [ 80.599538] ? __lock_is_held+0xb6/0x140 [ 80.603574] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 80.609008] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 80.613841] ? trace_hardirqs_on+0xd/0x10 [ 80.617979] ? warn_alloc+0x2b0/0x2b0 [ 80.621748] ? lock_downgrade+0x980/0x980 [ 80.625893] ? find_get_entry+0x53c/0x9e0 [ 80.630040] ? __lock_acquire+0x664/0x3e00 [ 80.634264] ? __lock_is_held+0xb6/0x140 [ 80.638324] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 80.644188] ? __might_sleep+0x95/0x190 [ 80.648152] __alloc_pages_nodemask+0x9fb/0xd80 [ 80.652794] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 80.657778] ? add_to_page_cache_lru+0x510/0x510 [ 80.662507] ? check_noncircular+0x20/0x20 [ 80.666709] ? check_noncircular+0x20/0x20 [ 80.670909] ? __schedule+0x8f3/0x2060 [ 80.674769] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 80.679520] alloc_pages_current+0xb6/0x1e0 [ 80.683822] __page_cache_alloc+0x334/0x500 [ 80.688121] ? rcu_read_lock_held+0xa9/0xc0 [ 80.692413] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 80.699749] filemap_fault+0xefc/0x1c20 [ 80.703692] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 80.708866] ? __lock_page_or_retry+0x4f0/0x4f0 [ 80.713510] ? filemap_map_pages+0x942/0x15d0 [ 80.717984] ? find_get_entries_tag+0xeb0/0xeb0 [ 80.722618] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 80.727779] ? lock_downgrade+0x980/0x980 [ 80.731899] ? check_noncircular+0x20/0x20 [ 80.736116] ? print_irqtrace_events+0x270/0x270 [ 80.740839] ? print_irqtrace_events+0x270/0x270 [ 80.745566] ? __lock_is_held+0xb6/0x140 [ 80.749607] ? lock_acquire+0x1d5/0x580 [ 80.753555] ? lock_acquire+0x1d5/0x580 [ 80.757499] ? ext4_filemap_fault+0x7a/0xad [ 80.761796] ? lock_release+0xa40/0xa40 [ 80.765740] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 80.771596] ? rcu_note_context_switch+0x710/0x710 [ 80.776498] ? __might_sleep+0x95/0x190 [ 80.780444] ? down_read+0x96/0x150 [ 80.784039] ? ext4_filemap_fault+0x7a/0xad [ 80.788329] ? __down_interruptible+0x6b0/0x6b0 [ 80.792975] ext4_filemap_fault+0x82/0xad [ 80.797094] __do_fault+0xeb/0x30f [ 80.800605] ? pte_offset_kernel+0xc7/0xc7 [ 80.804810] ? do_raw_spin_trylock+0x190/0x190 [ 80.809361] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 80.814354] ? check_noncircular+0x20/0x20 [ 80.818568] __handle_mm_fault+0x1d8f/0x3ce0 [ 80.822965] ? __pmd_alloc+0x4e0/0x4e0 [ 80.826837] ? find_held_lock+0x35/0x1d0 [ 80.830873] ? handle_mm_fault+0x248/0x8d0 [ 80.835087] ? lock_downgrade+0x980/0x980 [ 80.839233] handle_mm_fault+0x334/0x8d0 [ 80.843262] ? down_read_trylock+0xdb/0x170 [ 80.847552] ? __do_page_fault+0x32d/0xc90 [ 80.851757] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 80.856307] ? vmacache_find+0x5f/0x280 [ 80.860253] ? find_vma+0x30/0x150 [ 80.863771] __do_page_fault+0x5c9/0xc90 [ 80.867806] ? vfs_copy_file_range+0x940/0x940 [ 80.872364] ? mm_fault_error+0x2c0/0x2c0 [ 80.876479] ? exit_to_usermode_loop+0x8c/0x310 [ 80.881125] do_page_fault+0xee/0x720 [ 80.884896] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 80.890404] ? __do_page_fault+0xc90/0xc90 [ 80.894624] ? syscall_return_slowpath+0x2ad/0x550 [ 80.899524] ? prepare_exit_to_usermode+0x340/0x340 [ 80.904519] ? SyS_read+0x184/0x220 [ 80.908212] ? retint_user+0x18/0x18 [ 80.911904] ? page_fault+0x36/0x60 [ 80.915513] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 80.920328] ? page_fault+0x36/0x60 [ 80.923924] page_fault+0x4c/0x60 [ 80.927346] RIP: 0033:0x7f93553be209 [ 80.931027] RSP: 002b:00007f935295de30 EFLAGS: 00010297 [ 80.936362] RAX: 0000000000000000 RBX: 00000000021a64b0 RCX: 00007f93553be1fd [ 80.943600] RDX: 0000000000000ff2 RSI: 00007f93541925a0 RDI: 0000000000000000 [ 80.950843] RBP: 0000000000000000 R08: 0000000002191260 R09: 0000000004000001 [ 80.958089] R10: 0000000000000001 R11: 0000000000000000 R12: 000000000065e420 [ 80.965327] R13: 00007f935295e9c0 R14: 00007f9355a03040 R15: 0000000000000003 [ 80.972672] Mem-Info: [ 80.975556] active_anon:2479 inactive_anon:61 isolated_anon:0 [ 80.975556] active_file:15 inactive_file:15 isolated_file:0 [ 80.975556] unevictable:0 dirty:0 writeback:0 unstable:0 [ 80.975556] slab_reclaimable:7221 slab_unreclaimable:83680 [ 80.975556] mapped:3 shmem:68 pagetables:301 bounce:0 [ 80.975556] free:18886 free_pcp:81 free_cma:0 [ 81.007607] Node 0 active_anon:9916kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 81.034421] 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 [ 81.060546] lowmem_reserve[]: 0 2871 6381 6381 [ 81.065146] Node 0 DMA32 free:41056kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:88kB local_pcp:88kB free_cma:0kB [ 81.092489] lowmem_reserve[]: 0 0 3510 3510 [ 81.096823] Node 0 Normal free:18580kB min:37084kB low:46352kB high:55620kB active_anon:9916kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3008kB pagetables:1204kB bounce:0kB free_pcp:244kB local_pcp:120kB free_cma:0kB [ 81.126389] lowmem_reserve[]: 0 0 0 0 [ 81.130224] 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 [ 81.143802] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 3*16kB (UM) 1*32kB (U) 2*64kB (M) 3*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 3*2048kB (UM) 7*4096kB (M) = 41056kB [ 81.158965] Node 0 Normal: 365*4kB (UME) 288*8kB (UME) 174*16kB (UME) 102*32kB (ME) 55*64kB (UME) 23*128kB (M) 9*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18580kB [ 81.174280] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 81.182860] 98 total pagecache pages [ 81.186587] 0 pages in swap cache [ 81.190050] Swap cache stats: add 0, delete 0, find 0/0 [ 81.195414] Free swap = 0kB [ 81.198431] Total swap = 0kB [ 81.201446] 1965979 pages RAM [ 81.204548] 0 pages HighMem/MovableOnly [ 81.208527] 327749 pages reserved [ 81.211974] Unreclaimable slab info: [ 81.215686] Name Used Total [ 81.221232] hashtab_node 118KB 119KB [ 81.226594] ebitmap_node 382KB 385KB [ 81.231968] avtab_node 1012KB 1013KB [ 81.237342] TIPC 1KB 7KB [ 81.242710] SCTPv6 2KB 4KB [ 81.248085] DCCPv6 2KB 7KB [ 81.253451] DCCP 2KB 6KB [ 81.259518] fib6_nodes 0KB 4KB [ 81.265670] ip6_dst_cache 6KB 11KB [ 81.271744] RAWv6 9KB 19KB [ 81.277813] UDPv6 12KB 14KB [ 81.283849] TCPv6 2KB 5KB [ 81.289843] sd_ext_cdb 0KB 3KB [ 81.295846] scsi_sense_cache 82KB 92KB [ 81.301828] virtio_scsi_cmd 16KB 16KB [ 81.307853] sgpool-128 8KB 8KB [ 81.313827] sgpool-64 4KB 6KB [ 81.319850] sgpool-32 91KB 102KB [ 81.325808] sgpool-16 31KB 33KB [ 81.331850] sgpool-8 168KB 168KB [ 81.337824] cfq_io_cq 15KB 15KB [ 81.343852] cfq_queue 24KB 27KB [ 81.349823] mqueue_inode_cache 1KB 7KB [ 81.355852] nfs_commit_data 3KB 7KB [ 81.361809] nfs_write_data 34KB 37KB [ 81.367870] jbd2_inode 1KB 3KB [ 81.373831] ext4_system_zone 0KB 3KB [ 81.379849] bio-1 1KB 3KB [ 81.385817] rpc_buffers 17KB 19KB [ 81.391838] rpc_tasks 2KB 3KB [ 81.397760] UNIX 777KB 780KB [ 81.403829] tcp_bind_bucket 0KB 4KB [ 81.409817] ip_fib_trie 0KB 3KB [ 81.415855] ip_fib_alias 0KB 3KB [ 81.421823] ip_dst_cache 4KB 7KB [ 81.427853] RAW 5KB 7KB [ 81.433831] UDP 29KB 39KB [ 81.439848] TCP 7KB 7KB [ 81.445811] hugetlbfs_inode_cache 1KB 7KB [ 81.452112] eventpoll_pwq 9KB 11KB [ 81.458080] eventpoll_epi 17KB 23KB [ 81.464065] inotify_inode_mark 3KB 7KB [ 81.470100] request_queue 31KB 39KB [ 81.476078] blkdev_ioc 21KB 23KB [ 81.482062] bio-0 300KB 300KB [ 81.488054] biovec-(1<<(21-12)) 528KB 528KB [ 81.494128] biovec-64 121KB 126KB [ 81.500083] biovec-16 14KB 15KB [ 81.506073] bio_integrity_payload 0KB 4KB [ 81.511802] khugepaged_mm_slot 0KB 3KB [ 81.517267] uid_cache 0KB 3KB [ 81.523103] dmaengine-unmap-2 0KB 3KB [ 81.528490] audit_buffer 0KB 3KB [ 81.533857] skbuff_fclone_cache 130KB 135KB [ 81.539405] skbuff_head_cache 1841KB 1845KB [ 81.544777] configfs_dir_cache 0KB 4KB [ 81.550231] file_lock_cache 156KB 158KB [ 81.555599] file_lock_ctx 1KB 3KB [ 81.560951] fsnotify_mark_connector 2KB 3KB [ 81.566826] shmem_inode_cache 1041KB 1042KB [ 81.572194] task_delay_info 302KB 359KB [ 81.577559] sigqueue 349KB 358KB [ 81.582912] kernfs_node_cache 2156KB 2157KB [ 81.588280] mnt_cache 15KB 20KB [ 81.593638] filp 8508KB 8632KB [ 81.599037] names_cache 112476KB 112506KB [ 81.604405] avc_node 37KB 43KB [ 81.610234] selinux_file_security 421KB 453KB [ 81.615940] selinux_inode_security 1921KB 1924KB [ 81.621743] key_jar 3KB 7KB [ 81.627117] nsproxy 0KB 3KB [ 81.632833] vm_area_struct 17958KB 17963KB [ 81.638204] mm_struct 4306KB 4312KB [ 81.643568] fs_cache 403KB 456KB [ 81.648922] files_cache 1511KB 1511KB [ 81.654292] signal_cache 2410KB 2415KB [ 81.660171] sighand_cache 210KB 284KB [ 81.665538] task_struct 10290KB 10290KB [ 81.670918] cred_jar 2277KB 2284KB [ 81.676291] anon_vma_chain 7456KB 7461KB [ 81.681660] anon_vma 123KB 285KB [ 81.687051] pid 210KB 260KB [ 81.692413] Acpi-Operand 106KB 170KB [ 81.697790] Acpi-Namespace 19KB 23KB [ 81.703164] numa_policy 0KB 3KB [ 81.708524] debug_objects_cache 413KB 419KB [ 81.714065] trace_event_file 144KB 147KB [ 81.719427] ftrace_event_field 254KB 255KB [ 81.724892] pool_workqueue 22KB 28KB [ 81.730265] page->ptl 2949KB 2952KB [ 81.735647] kmalloc-262144 1032KB 1032KB [ 81.741035] kmalloc-131072 650KB 650KB [ 81.746393] kmalloc-65536 264KB 264KB [ 81.751744] kmalloc-32768 627KB 627KB [ 81.757111] kmalloc-16384 148KB 148KB [ 81.762505] kmalloc-8192 453KB 453KB [ 81.767869] kmalloc-4096 8478KB 8508KB [ 81.773263] kmalloc-2048 3123KB 3130KB [ 81.778630] kmalloc-1024 3708KB 3709KB [ 81.783988] kmalloc-512 2661KB 2936KB [ 81.789357] kmalloc-256 2020KB 2396KB [ 81.795270] kmalloc-128 396KB 519KB [ 81.800630] kmalloc-96 2064KB 2064KB [ 81.806004] kmalloc-64 2464KB 2464KB [ 81.811396] kmalloc-32 2388KB 2397KB [ 81.816748] kmalloc-192 906KB 908KB [ 81.822116] kmem_cache 100KB 105KB [ 81.827480] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 81.836085] [ 1771] 0 1771 5385 184 90112 0 -1000 udevd [ 81.844230] [ 3339] 0 3339 14265 173 114688 0 0 rsyslogd [ 81.852640] [ 3390] 0 3390 4725 51 81920 0 0 cron [ 81.860713] [ 3402] 0 3402 3736 45 65536 0 0 mcstransd [ 81.869231] [ 3432] 0 3432 12490 152 135168 0 -1000 sshd [ 81.877286] [ 3464] 0 3464 3694 41 73728 0 0 getty [ 81.885438] [ 3465] 0 3465 3694 40 77824 0 0 getty [ 81.893598] [ 3466] 0 3466 3694 42 69632 0 0 getty [ 81.901763] [ 3467] 0 3467 3694 40 77824 0 0 getty [ 81.909922] [ 3468] 0 3468 3694 42 73728 0 0 getty [ 81.918083] [ 3469] 0 3469 3694 40 77824 0 0 getty [ 81.926228] [ 3470] 0 3470 3649 39 73728 0 0 getty [ 81.934403] [ 3473] 0 3473 5681 454 90112 0 -1000 udevd [ 81.942559] [ 3474] 0 3474 5681 454 90112 0 -1000 udevd [ 81.950720] [ 3494] 0 3494 17821 197 188416 0 0 sshd [ 81.958791] [ 3496] 0 3496 237 1 28672 0 0 syzkaller344680 [ 81.967814] [ 3497] 0 3497 4332 0 28672 0 0 syzkaller344680 [ 81.976836] [ 3498] 0 3498 4332 0 28672 0 0 syzkaller344680 [ 81.985866] [ 3499] 0 3499 4332 0 28672 0 0 syzkaller344680 [ 81.994888] [ 3500] 0 3500 4332 0 28672 0 0 syzkaller344680 [ 82.003908] [ 3501] 0 3501 4332 0 28672 0 0 syzkaller344680 [ 82.012928] [ 3502] 0 3502 4332 0 28672 0 0 syzkaller344680 [ 82.021964] [ 3503] 0 3503 4332 0 28672 0 0 syzkaller344680 [ 82.030999] [ 3504] 0 3504 4332 521 32768 0 0 syzkaller344680 [ 82.040042] Out of memory: Kill process 3504 (syzkaller344680) score 0 or sacrifice child [ 82.049226] Killed process 3504 (syzkaller344680) total-vm:17328kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 82.069393] oom_reaper: reaped process 3504 (syzkaller344680), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 82.080528] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 82.090027] syzkaller344680: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 82.090079] syzkaller344680 cpuset=/ mems_allowed=0 [ 82.090167] CPU: 0 PID: 3498 Comm: syzkaller344680 Not tainted 4.15.0-rc7+ #167 [ 82.090171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.090174] Call Trace: [ 82.090186] dump_stack+0x194/0x257 [ 82.090199] ? arch_local_irq_restore+0x53/0x53 [ 82.090205] ? idr_get_free_cmn+0xfd0/0xfd0 [ 82.090216] ? debug_object_destroy+0x2b0/0x2b0 [ 82.090235] warn_alloc+0x19a/0x2b0 [ 82.090248] ? zone_watermark_ok_safe+0x400/0x400 [ 82.090263] ? __next_timer_interrupt+0x150/0x150 [ 82.090277] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 82.090285] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 82.090308] __alloc_pages_slowpath+0x2546/0x2d00 [ 82.090355] ? warn_alloc+0x2b0/0x2b0 [ 82.090362] ? check_noncircular+0x20/0x20 [ 82.090380] ? print_irqtrace_events+0x270/0x270 [ 82.090394] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 82.090405] ? check_noncircular+0x20/0x20 [ 82.090410] ? find_held_lock+0x35/0x1d0 [ 82.090425] ? lock_acquire+0x1d5/0x580 [ 82.090432] ? lock_acquire+0x1d5/0x580 [ 82.090447] ? __lock_acquire+0x664/0x3e00 [ 82.090460] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 82.090485] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 82.090530] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 82.090553] ? __might_sleep+0x95/0x190 [ 82.090567] __alloc_pages_nodemask+0x9fb/0xd80 [ 82.090574] ? lock_release+0xa40/0xa40 [ 82.090589] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 82.090607] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 82.090622] ? print_irqtrace_events+0x270/0x270 [ 82.090641] ? __lock_is_held+0xb6/0x140 [ 82.090661] ? find_next_bit+0x27/0x30 [ 82.090676] pcpu_populate_chunk+0x1b3/0x880 [ 82.090702] pcpu_alloc+0x978/0x10e0 [ 82.090726] ? pcpu_free_area+0xa00/0xa00 [ 82.090740] ? vmap_page_range_noflush+0x523/0x720 [ 82.090756] ? retint_kernel+0x10/0x10 [ 82.090767] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 82.090777] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 82.090795] ? retint_kernel+0x10/0x10 [ 82.090820] ? pcpu_alloc+0x17/0x10e0 [ 82.090838] __alloc_percpu_gfp+0x27/0x30 [ 82.090849] array_map_alloc+0x68a/0x830 [ 82.090869] SyS_bpf+0x7f8/0x4420 [ 82.090886] ? bpf_prog_get+0x20/0x20 [ 82.090893] ? __lock_acquire+0x664/0x3e00 [ 82.090909] ? perf_event_fork+0x30/0x30 [ 82.090929] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 82.090936] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 82.090949] ? vma_wants_writenotify+0x51/0x3b0 [ 82.090968] ? vma_wants_writenotify+0x3b0/0x3b0 [ 82.090985] ? vma_link+0xe9/0x170 [ 82.091003] ? mmap_region+0x52e/0x15a0 [ 82.091023] ? find_held_lock+0x35/0x1d0 [ 82.091033] ? check_noncircular+0x20/0x20 [ 82.091050] ? __handle_mm_fault+0x80e/0x3ce0 [ 82.091065] ? check_noncircular+0x20/0x20 [ 82.091071] ? __pmd_alloc+0x4e0/0x4e0 [ 82.091090] ? find_held_lock+0x35/0x1d0 [ 82.091109] ? handle_mm_fault+0x248/0x8d0 [ 82.091122] ? find_held_lock+0x35/0x1d0 [ 82.091142] ? __do_page_fault+0x5f7/0xc90 [ 82.091152] ? lock_downgrade+0x980/0x980 [ 82.091172] ? handle_mm_fault+0x410/0x8d0 [ 82.091177] ? down_read_trylock+0xdb/0x170 [ 82.091184] ? __do_page_fault+0x32d/0xc90 [ 82.091193] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 82.091199] ? vmacache_find+0x5f/0x280 [ 82.091207] ? vmacache_update+0xfe/0x130 [ 82.091223] ? up_read+0x1a/0x40 [ 82.091245] ? do_fast_syscall_32+0x156/0xf9d [ 82.091257] ? bpf_prog_get+0x20/0x20 [ 82.091267] do_fast_syscall_32+0x3ee/0xf9d [ 82.091285] ? do_int80_syscall_32+0x9d0/0x9d0 [ 82.091294] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 82.091311] ? syscall_return_slowpath+0x2ad/0x550 [ 82.091320] ? prepare_exit_to_usermode+0x340/0x340 [ 82.091329] ? retint_user+0x18/0x18 [ 82.091345] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 82.091363] entry_SYSENTER_compat+0x54/0x63 [ 82.091369] RIP: 0023:0xf7f30c79 [ 82.091373] RSP: 002b:00000000ffe8deec EFLAGS: 00000282 ORIG_RAX: 0000000000000165 [ 82.091380] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020c47fec [ 82.091384] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 82.091387] RBP: 00000000ffe8df38 R08: 0000000000000000 R09: 0000000000000000 [ 82.091391] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 82.091395] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 82.091485] Mem-Info: [ 82.091500] active_anon:1963 inactive_anon:61 isolated_anon:0 [ 82.091500] active_file:15 inactive_file:15 isolated_file:0 [ 82.091500] unevictable:0 dirty:0 writeback:0 unstable:0 [ 82.091500] slab_reclaimable:7219 slab_unreclaimable:83681 [ 82.091500] mapped:3 shmem:68 pagetables:301 bounce:0 [ 82.091500] free:15895 free_pcp:119 free_cma:0 [ 82.091512] Node 0 active_anon:7852kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 82.091515] 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 [ 82.091531] lowmem_reserve[]: 0 2871 6381 6381 [ 82.091545] Node 0 DMA32 free:29152kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:188kB local_pcp:120kB free_cma:0kB [ 82.091561] lowmem_reserve[]: 0 0 3510 3510 [ 82.091573] Node 0 Normal free:18520kB min:37084kB low:46352kB high:55620kB active_anon:7852kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:3008kB pagetables:1204kB bounce:0kB free_pcp:288kB local_pcp:120kB free_cma:0kB [ 82.091588] lowmem_reserve[]: 0 0 0 0 [ 82.091599] 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 [ 82.091649] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 3*16kB (UM) 1*32kB (U) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 29152kB [ 82.091704] Node 0 Normal: 364*4kB (ME) 283*8kB (ME) 173*16kB (ME) 102*32kB (ME) 55*64kB (UME) 23*128kB (M) 9*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18520kB [ 82.091755] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 82.091758] 98 total pagecache pages [ 82.091765] 0 pages in swap cache [ 82.091769] Swap cache stats: add 0, delete 0, find 0/0 [ 82.091772] Free swap = 0kB [ 82.091774] Total swap = 0kB [ 82.091777] 1965979 pages RAM [ 82.091779] 0 pages HighMem/MovableOnly [ 82.091781] 327749 pages reserved [ 82.443492] syzkaller344680: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 82.443497] syzkaller344680 cpuset=/ mems_allowed=0 [ 82.443513] CPU: 1 PID: 3503 Comm: syzkaller344680 Not tainted 4.15.0-rc7+ #167 [ 82.443517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.443520] Call Trace: [ 82.443534] dump_stack+0x194/0x257 [ 82.443548] ? arch_local_irq_restore+0x53/0x53 [ 82.443554] ? idr_get_free_cmn+0xfd0/0xfd0 [ 82.443565] ? debug_object_destroy+0x2b0/0x2b0 [ 82.443585] warn_alloc+0x19a/0x2b0 [ 82.443597] ? zone_watermark_ok_safe+0x400/0x400 [ 82.443613] ? __next_timer_interrupt+0x150/0x150 [ 82.443628] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 82.443636] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 82.443659] __alloc_pages_slowpath+0x2546/0x2d00 [ 82.443706] ? warn_alloc+0x2b0/0x2b0 [ 82.443713] ? trace_hardirqs_off+0xd/0x10 [ 82.443735] ? mark_held_locks+0xaf/0x100 [ 82.443745] ? _raw_spin_unlock_irq+0x27/0x70 [ 82.443756] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 82.443766] ? trace_hardirqs_on+0xd/0x10 [ 82.443773] ? _raw_spin_unlock_irq+0x27/0x70 [ 82.443781] ? finish_task_switch+0x1d3/0x740 [ 82.443786] ? finish_task_switch+0x1aa/0x740 [ 82.443819] ? __schedule+0x8f3/0x2060 [ 82.443876] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 82.443899] ? __might_sleep+0x95/0x190 [ 82.443913] __alloc_pages_nodemask+0x9fb/0xd80 [ 82.443920] ? lock_release+0xa40/0xa40 [ 82.443934] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 82.443954] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 82.443971] ? mark_held_locks+0xaf/0x100 [ 82.443987] ? __lock_is_held+0xb6/0x140 [ 82.444009] ? find_next_bit+0x27/0x30 [ 82.444025] pcpu_populate_chunk+0x1b3/0x880 [ 82.444051] pcpu_alloc+0x978/0x10e0 [ 82.444076] ? pcpu_free_area+0xa00/0xa00 [ 82.444090] ? vmap_page_range_noflush+0x523/0x720 [ 82.444121] ? retint_kernel+0x10/0x10 [ 82.444132] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 82.444142] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 82.444160] ? retint_kernel+0x10/0x10 [ 82.444184] __alloc_percpu_gfp+0x27/0x30 [ 82.444195] array_map_alloc+0x68a/0x830 [ 82.444216] SyS_bpf+0x7f8/0x4420 [ 82.444233] ? bpf_prog_get+0x20/0x20 [ 82.444240] ? __lock_acquire+0x664/0x3e00 [ 82.444256] ? perf_event_fork+0x30/0x30 [ 82.444276] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 82.444284] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 82.444297] ? vma_wants_writenotify+0x51/0x3b0 [ 82.444317] ? vma_wants_writenotify+0x3b0/0x3b0 [ 82.444330] ? vma_link+0xe9/0x170 [ 82.444346] ? mmap_region+0x52e/0x15a0 [ 82.444367] ? find_held_lock+0x35/0x1d0 [ 82.444376] ? check_noncircular+0x20/0x20 [ 82.444393] ? __handle_mm_fault+0x80e/0x3ce0 [ 82.444408] ? check_noncircular+0x20/0x20 [ 82.444414] ? __pmd_alloc+0x4e0/0x4e0 [ 82.444433] ? find_held_lock+0x35/0x1d0 [ 82.444452] ? handle_mm_fault+0x248/0x8d0 [ 82.444468] ? find_held_lock+0x35/0x1d0 [ 82.444490] ? __do_page_fault+0x5f7/0xc90 [ 82.444499] ? lock_downgrade+0x980/0x980 [ 82.444520] ? handle_mm_fault+0x410/0x8d0 [ 82.444526] ? down_read_trylock+0xdb/0x170 [ 82.444532] ? __do_page_fault+0x32d/0xc90 [ 82.444541] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 82.444547] ? vmacache_find+0x5f/0x280 [ 82.444555] ? vmacache_update+0xfe/0x130 [ 82.444571] ? up_read+0x1a/0x40 [ 82.444593] ? do_fast_syscall_32+0x156/0xf9d [ 82.444605] ? bpf_prog_get+0x20/0x20 [ 82.444615] do_fast_syscall_32+0x3ee/0xf9d [ 82.444633] ? do_int80_syscall_32+0x9d0/0x9d0 [ 82.444642] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 82.444659] ? syscall_return_slowpath+0x2ad/0x550 [ 82.444668] ? prepare_exit_to_usermode+0x340/0x340 [ 82.444678] ? retint_user+0x18/0x18 [ 82.444694] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 82.444712] entry_SYSENTER_compat+0x54/0x63 [ 82.444717] RIP: 0023:0xf7f30c79 [ 82.444721] RSP: 002b:00000000ffe8deec EFLAGS: 00000282 ORIG_RAX: 0000000000000165 [ 82.444728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020c47fec [ 82.444732] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 82.444736] RBP: 00000000ffe8df38 R08: 0000000000000000 R09: 0000000000000000 [ 82.444739] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 82.444743] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 83.505060] syzkaller344680: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 83.505065] syzkaller344680 cpuset=/ mems_allowed=0 [ 83.505081] CPU: 1 PID: 3500 Comm: syzkaller344680 Not tainted 4.15.0-rc7+ #167 [ 83.505085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.505088] Call Trace: [ 83.505103] dump_stack+0x194/0x257 [ 83.505117] ? arch_local_irq_restore+0x53/0x53 [ 83.505123] ? idr_get_free_cmn+0xfd0/0xfd0 [ 83.505134] ? debug_object_destroy+0x2b0/0x2b0 [ 83.505154] warn_alloc+0x19a/0x2b0 [ 83.505166] ? zone_watermark_ok_safe+0x400/0x400 [ 83.505175] ? drain_all_pages+0x438/0x620 [ 83.505187] ? __next_timer_interrupt+0x150/0x150 [ 83.505202] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 83.505226] __alloc_pages_slowpath+0x2546/0x2d00 [ 83.505271] ? __bfs+0x6e7/0x750 [ 83.505279] ? warn_alloc+0x2b0/0x2b0 [ 83.505285] ? check_noncircular+0x20/0x20 [ 83.505294] ? check_preempt_wakeup+0x426/0xb20 [ 83.505308] ? print_irqtrace_events+0x270/0x270 [ 83.505322] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 83.505345] ? lock_acquire+0x1d5/0x580 [ 83.505352] ? lock_acquire+0x1d5/0x580 [ 83.505366] ? __lock_acquire+0x664/0x3e00 [ 83.505380] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 83.505405] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 83.505433] ? __lock_is_held+0xb6/0x140 [ 83.505461] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 83.505484] ? __might_sleep+0x95/0x190 [ 83.505498] __alloc_pages_nodemask+0x9fb/0xd80 [ 83.505505] ? lock_release+0xa40/0xa40 [ 83.505520] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 83.505539] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 83.505553] ? print_irqtrace_events+0x270/0x270 [ 83.505572] ? __lock_is_held+0xb6/0x140 [ 83.505592] ? find_next_bit+0x27/0x30 [ 83.505607] pcpu_populate_chunk+0x1b3/0x880 [ 83.505633] pcpu_alloc+0x978/0x10e0 [ 83.505658] ? pcpu_free_area+0xa00/0xa00 [ 83.505672] ? vmap_page_range_noflush+0x523/0x720 [ 83.505702] ? retint_kernel+0x10/0x10 [ 83.505713] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 83.505724] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.505742] ? retint_kernel+0x10/0x10 [ 83.505766] __alloc_percpu_gfp+0x27/0x30 [ 83.505777] array_map_alloc+0x68a/0x830 [ 83.505797] SyS_bpf+0x7f8/0x4420 [ 83.505815] ? bpf_prog_get+0x20/0x20 [ 83.505822] ? __lock_acquire+0x664/0x3e00 [ 83.505838] ? perf_event_fork+0x30/0x30 [ 83.505857] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 83.505865] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 83.505878] ? vma_wants_writenotify+0x51/0x3b0 [ 83.505897] ? vma_wants_writenotify+0x3b0/0x3b0 [ 83.505910] ? vma_link+0xe9/0x170 [ 83.505926] ? mmap_region+0x52e/0x15a0 [ 83.505946] ? find_held_lock+0x35/0x1d0 [ 83.505956] ? check_noncircular+0x20/0x20 [ 83.505972] ? __handle_mm_fault+0x80e/0x3ce0 [ 83.505988] ? check_noncircular+0x20/0x20 [ 83.505993] ? __pmd_alloc+0x4e0/0x4e0 [ 83.506015] ? find_held_lock+0x35/0x1d0 [ 83.506034] ? handle_mm_fault+0x248/0x8d0 [ 83.506047] ? find_held_lock+0x35/0x1d0 [ 83.506078] ? __do_page_fault+0x5f7/0xc90 [ 83.506088] ? lock_downgrade+0x980/0x980 [ 83.506108] ? handle_mm_fault+0x410/0x8d0 [ 83.506114] ? down_read_trylock+0xdb/0x170 [ 83.506120] ? __do_page_fault+0x32d/0xc90 [ 83.506130] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 83.506136] ? vmacache_find+0x5f/0x280 [ 83.506144] ? vmacache_update+0xfe/0x130 [ 83.506160] ? up_read+0x1a/0x40 [ 83.506182] ? do_fast_syscall_32+0x156/0xf9d [ 83.506194] ? bpf_prog_get+0x20/0x20 [ 83.506204] do_fast_syscall_32+0x3ee/0xf9d [ 83.506223] ? do_int80_syscall_32+0x9d0/0x9d0 [ 83.506231] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.506249] ? syscall_return_slowpath+0x2ad/0x550 [ 83.506257] ? prepare_exit_to_usermode+0x340/0x340 [ 83.506267] ? retint_user+0x18/0x18 [ 83.506283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.506301] entry_SYSENTER_compat+0x54/0x63 [ 83.506306] RIP: 0023:0xf7f30c79 [ 83.506310] RSP: 002b:00000000ffe8deec EFLAGS: 00000282 ORIG_RAX: 0000000000000165 [ 83.506317] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020c47fec [ 83.506321] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 83.506325] RBP: 00000000ffe8df38 R08: 0000000000000000 R09: 0000000000000000 [ 83.506329] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 83.506332] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 83.506448] warn_alloc_show_mem: 1 callbacks suppressed [ 83.506450] Mem-Info: [ 83.506465] active_anon:2037 inactive_anon:61 isolated_anon:0 [ 83.506465] active_file:15 inactive_file:8 isolated_file:7 [ 83.506465] unevictable:0 dirty:0 writeback:0 unstable:0 [ 83.506465] slab_reclaimable:7222 slab_unreclaimable:83704 [ 83.506465] mapped:3 shmem:68 pagetables:293 bounce:0 [ 83.506465] free:15695 free_pcp:0 free_cma:0 [ 83.506478] Node 0 active_anon:8148kB inactive_anon:244kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):28kB mapped:12kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 83.506481] 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 [ 83.506496] lowmem_reserve[]: 0 2871 6381 6381 [ 83.506508] Node 0 DMA32 free:28724kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 83.506523] lowmem_reserve[]: 0 0 3510 3510 [ 83.506535] Node 0 Normal free:18148kB min:37084kB low:46352kB high:55620kB active_anon:8148kB inactive_anon:244kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:2944kB pagetables:1172kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 83.506550] lowmem_reserve[]: 0 0 0 0 [ 83.506561] 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 [ 83.506612] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 0*32kB 2*64kB (M) 3*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 3*2048kB (UM) 4*4096kB (M) = 28724kB [ 83.506665] Node 0 Normal: 327*4kB (ME) 261*8kB (ME) 172*16kB (ME) 101*32kB (ME) 55*64kB (ME) 25*128kB (UM) 8*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18148kB [ 83.506716] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 83.506719] 98 total pagecache pages [ 83.506727] 0 pages in swap cache [ 83.506730] Swap cache stats: add 0, delete 0, find 0/0 [ 83.506733] Free swap = 0kB [ 83.506735] Total swap = 0kB [ 83.506738] 1965979 pages RAM [ 83.506740] 0 pages HighMem/MovableOnly [ 83.506743] 327749 pages reserved [ 83.985013] syzkaller344680: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 83.985032] syzkaller344680 cpuset=/ mems_allowed=0 [ 83.985047] CPU: 1 PID: 3504 Comm: syzkaller344680 Not tainted 4.15.0-rc7+ #167 [ 83.985051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.985054] Call Trace: [ 83.985068] dump_stack+0x194/0x257 [ 83.985081] ? arch_local_irq_restore+0x53/0x53 [ 83.985087] ? idr_get_free_cmn+0xfd0/0xfd0 [ 83.985099] ? debug_object_destroy+0x2b0/0x2b0 [ 83.985118] warn_alloc+0x19a/0x2b0 [ 83.985130] ? zone_watermark_ok_safe+0x400/0x400 [ 83.985146] ? __next_timer_interrupt+0x150/0x150 [ 83.985160] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 83.985167] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 83.985191] __alloc_pages_slowpath+0x2546/0x2d00 [ 83.985238] ? warn_alloc+0x2b0/0x2b0 [ 83.985245] ? check_noncircular+0x20/0x20 [ 83.985263] ? print_irqtrace_events+0x270/0x270 [ 83.985277] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 83.985287] ? check_noncircular+0x20/0x20 [ 83.985293] ? find_held_lock+0x35/0x1d0 [ 83.985309] ? lock_acquire+0x1d5/0x580 [ 83.985315] ? lock_acquire+0x1d5/0x580 [ 83.985330] ? __lock_acquire+0x664/0x3e00 [ 83.985343] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 83.985368] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 83.985418] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 83.985440] ? __might_sleep+0x95/0x190 [ 83.985455] __alloc_pages_nodemask+0x9fb/0xd80 [ 83.985462] ? lock_release+0xa40/0xa40 [ 83.985476] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 83.985495] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 83.985509] ? print_irqtrace_events+0x270/0x270 [ 83.985528] ? __lock_is_held+0xb6/0x140 [ 83.985548] ? find_next_bit+0x27/0x30 [ 83.985563] pcpu_populate_chunk+0x1b3/0x880 [ 83.985590] pcpu_alloc+0x978/0x10e0 [ 83.985621] ? pcpu_free_area+0xa00/0xa00 [ 83.985629] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 83.985642] ? vmap_page_range_noflush+0x523/0x720 [ 83.985672] ? retint_kernel+0x10/0x10 [ 83.985683] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 83.985694] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.985712] ? retint_kernel+0x10/0x10 [ 83.985737] __alloc_percpu_gfp+0x27/0x30 [ 83.985749] array_map_alloc+0x68a/0x830 [ 83.985770] SyS_bpf+0x7f8/0x4420 [ 83.985787] ? bpf_prog_get+0x20/0x20 [ 83.985794] ? __lock_acquire+0x664/0x3e00 [ 83.985810] ? perf_event_fork+0x30/0x30 [ 83.985830] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 83.985838] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 83.985851] ? vma_wants_writenotify+0x51/0x3b0 [ 83.985871] ? vma_wants_writenotify+0x3b0/0x3b0 [ 83.985884] ? vma_link+0xe9/0x170 [ 83.985900] ? mmap_region+0x52e/0x15a0 [ 83.985920] ? find_held_lock+0x35/0x1d0 [ 83.985929] ? check_noncircular+0x20/0x20 [ 83.985946] ? __handle_mm_fault+0x80e/0x3ce0 [ 83.985961] ? check_noncircular+0x20/0x20 [ 83.985967] ? __pmd_alloc+0x4e0/0x4e0 [ 83.985986] ? find_held_lock+0x35/0x1d0 [ 83.986008] ? handle_mm_fault+0x248/0x8d0 [ 83.986021] ? find_held_lock+0x35/0x1d0 [ 83.986042] ? __do_page_fault+0x5f7/0xc90 [ 83.986051] ? lock_downgrade+0x980/0x980 [ 83.986072] ? handle_mm_fault+0x410/0x8d0 [ 83.986078] ? down_read_trylock+0xdb/0x170 [ 83.986084] ? __do_page_fault+0x32d/0xc90 [ 83.986094] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 83.986100] ? vmacache_find+0x5f/0x280 [ 83.986108] ? vmacache_update+0xfe/0x130 [ 83.986124] ? up_read+0x1a/0x40 [ 83.986146] ? do_fast_syscall_32+0x156/0xf9d [ 83.986158] ? bpf_prog_get+0x20/0x20 [ 83.986168] do_fast_syscall_32+0x3ee/0xf9d [ 83.986186] ? do_int80_syscall_32+0x9d0/0x9d0 [ 83.986195] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.986212] ? syscall_return_slowpath+0x2ad/0x550 [ 83.986221] ? prepare_exit_to_usermode+0x340/0x340 [ 83.986231] ? retint_user+0x18/0x18 [ 83.986247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.986264] entry_SYSENTER_compat+0x54/0x63 [ 83.986270] RIP: 0023:0xf7f30c79 [ 83.986274] RSP: 002b:00000000ffe8deec EFLAGS: 00000282 ORIG_RAX: 0000000000000165 [ 83.986281] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020c47fec [ 83.986285] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 83.986289] RBP: 00000000ffe8df38 R08: 0000000000000000 R09: 0000000000000000 [ 83.986293] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 83.986296] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 84.523711] syzkaller344680: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 84.523716] syzkaller344680 cpuset=/ mems_allowed=0 [ 84.523732] CPU: 0 PID: 3502 Comm: syzkaller344680 Not tainted 4.15.0-rc7+ #167 [ 84.523736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.523739] Call Trace: [ 84.523754] dump_stack+0x194/0x257 [ 84.523768] ? arch_local_irq_restore+0x53/0x53 [ 84.523774] ? idr_get_free_cmn+0xfd0/0xfd0 [ 84.523785] ? debug_object_destroy+0x2b0/0x2b0 [ 84.523804] warn_alloc+0x19a/0x2b0 [ 84.523817] ? zone_watermark_ok_safe+0x400/0x400 [ 84.523833] ? __next_timer_interrupt+0x150/0x150 [ 84.523847] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 84.523855] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 84.523878] __alloc_pages_slowpath+0x2546/0x2d00 [ 84.523904] ? lock_release+0xa40/0xa40 [ 84.523936] ? warn_alloc+0x2b0/0x2b0 [ 84.523948] ? kernel_text_address+0x102/0x140 [ 84.523961] ? print_irqtrace_events+0x270/0x270 [ 84.523975] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 84.523988] ? depot_save_stack+0x12c/0x490 [ 84.524006] ? lock_acquire+0x1d5/0x580 [ 84.524013] ? lock_acquire+0x1d5/0x580 [ 84.524028] ? __lock_acquire+0x664/0x3e00 [ 84.524041] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 84.524066] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 84.524111] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 84.524134] ? __might_sleep+0x95/0x190 [ 84.524148] __alloc_pages_nodemask+0x9fb/0xd80 [ 84.524156] ? lock_release+0xa40/0xa40 [ 84.524170] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 84.524189] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 84.524204] ? print_irqtrace_events+0x270/0x270 [ 84.524223] ? __lock_is_held+0xb6/0x140 [ 84.524243] ? find_next_bit+0x27/0x30 [ 84.524258] pcpu_populate_chunk+0x1b3/0x880 [ 84.524285] pcpu_alloc+0x978/0x10e0 [ 84.524310] ? pcpu_free_area+0xa00/0xa00 [ 84.524324] ? vmap_page_range_noflush+0x523/0x720 [ 84.524358] ? map_vm_area+0x9e/0xd0 [ 84.524371] ? __vmalloc_node_range+0x37a/0x650 [ 84.524393] ? array_map_alloc+0x2ef/0x830 [ 84.524402] ? __vmalloc_node_flags_caller+0x50/0x60 [ 84.524417] __alloc_percpu_gfp+0x27/0x30 [ 84.524428] array_map_alloc+0x68a/0x830 [ 84.524448] SyS_bpf+0x7f8/0x4420 [ 84.524465] ? bpf_prog_get+0x20/0x20 [ 84.524473] ? __lock_acquire+0x664/0x3e00 [ 84.524489] ? perf_event_fork+0x30/0x30 [ 84.524509] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 84.524517] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 84.524530] ? vma_wants_writenotify+0x51/0x3b0 [ 84.524550] ? vma_wants_writenotify+0x3b0/0x3b0 [ 84.524563] ? vma_link+0xe9/0x170 [ 84.524579] ? mmap_region+0x52e/0x15a0 [ 84.524599] ? find_held_lock+0x35/0x1d0 [ 84.524608] ? check_noncircular+0x20/0x20 [ 84.524625] ? __handle_mm_fault+0x80e/0x3ce0 [ 84.524641] ? check_noncircular+0x20/0x20 [ 84.524646] ? __pmd_alloc+0x4e0/0x4e0 [ 84.524665] ? find_held_lock+0x35/0x1d0 [ 84.524684] ? handle_mm_fault+0x248/0x8d0 [ 84.524697] ? find_held_lock+0x35/0x1d0 [ 84.524718] ? __do_page_fault+0x5f7/0xc90 [ 84.524728] ? lock_downgrade+0x980/0x980 [ 84.524747] ? handle_mm_fault+0x410/0x8d0 [ 84.524753] ? down_read_trylock+0xdb/0x170 [ 84.524759] ? __do_page_fault+0x32d/0xc90 [ 84.524769] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 84.524775] ? vmacache_find+0x5f/0x280 [ 84.524782] ? vmacache_update+0xfe/0x130 [ 84.524798] ? up_read+0x1a/0x40 [ 84.524821] ? do_fast_syscall_32+0x156/0xf9d [ 84.524834] ? bpf_prog_get+0x20/0x20 [ 84.524843] do_fast_syscall_32+0x3ee/0xf9d [ 84.524862] ? do_int80_syscall_32+0x9d0/0x9d0 [ 84.524870] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.524888] ? syscall_return_slowpath+0x2ad/0x550 [ 84.524912] ? prepare_exit_to_usermode+0x340/0x340 [ 84.524922] ? retint_user+0x18/0x18 [ 84.524939] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.524956] entry_SYSENTER_compat+0x54/0x63 [ 84.524962] RIP: 0023:0xf7f30c79 [ 84.524965] RSP: 002b:00000000ffe8deec EFLAGS: 00000282 ORIG_RAX: 0000000000000165 [ 84.524973] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020c47fec [ 84.524977] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 84.524980] RBP: 00000000ffe8df38 R08: 0000000000000000 R09: 0000000000000000 [ 84.524984] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 84.524988] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 84.525064] warn_alloc_show_mem: 1 callbacks suppressed [ 84.525066] Mem-Info: [ 84.525082] active_anon:2037 inactive_anon:61 isolated_anon:0 [ 84.525082] active_file:15 inactive_file:15 isolated_file:0 [ 84.525082] unevictable:0 dirty:0 writeback:0 unstable:0 [ 84.525082] slab_reclaimable:7222 slab_unreclaimable:83707 [ 84.525082] mapped:3 shmem:68 pagetables:289 bounce:0 [ 84.525082] free:15884 free_pcp:406 free_cma:0 [ 84.525094] Node 0 active_anon:8148kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 84.525097] 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 [ 84.525112] lowmem_reserve[]: 0 2871 6381 6381 [ 84.525124] Node 0 DMA32 free:29176kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:804kB local_pcp:120kB free_cma:0kB [ 84.525139] lowmem_reserve[]: 0 0 3510 3510 [ 84.525151] Node 0 Normal free:18452kB min:37084kB low:46352kB high:55620kB active_anon:8148kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:2880kB pagetables:1156kB bounce:0kB free_pcp:820kB local_pcp:120kB free_cma:0kB [ 84.525166] lowmem_reserve[]: 0 0 0 0 [ 84.525177] 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 [ 84.525227] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 3*16kB (UM) 1*32kB (U) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 29220kB [ 84.525282] Node 0 Normal: 327*4kB (ME) 262*8kB (UME) 173*16kB (UME) 102*32kB (UME) 55*64kB (ME) 23*128kB (M) 8*256kB (M) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18460kB [ 84.525336] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 84.525338] 98 total pagecache pages [ 84.525346] 0 pages in swap cache [ 84.525350] Swap cache stats: add 0, delete 0, find 0/0 [ 84.525353] Free swap = 0kB [ 84.525355] Total swap = 0kB [ 84.525358] 1965979 pages RAM [ 84.525360] 0 pages HighMem/MovableOnly [ 84.525362] 327749 pages reserved [ 84.780241] syzkaller344680 (3502) used greatest stack depth: 14448 bytes left [ 85.165158] syzkaller344680: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 85.165163] syzkaller344680 cpuset=/ mems_allowed=0 [ 85.165179] CPU: 1 PID: 3499 Comm: syzkaller344680 Not tainted 4.15.0-rc7+ #167 [ 85.165182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.165186] Call Trace: [ 85.165199] dump_stack+0x194/0x257 [ 85.165212] ? arch_local_irq_restore+0x53/0x53 [ 85.165218] ? idr_get_free_cmn+0xfd0/0xfd0 [ 85.165230] ? debug_object_destroy+0x2b0/0x2b0 [ 85.165249] warn_alloc+0x19a/0x2b0 [ 85.165262] ? zone_watermark_ok_safe+0x400/0x400 [ 85.165271] ? drain_all_pages+0x438/0x620 [ 85.165283] ? __next_timer_interrupt+0x150/0x150 [ 85.165297] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 85.165321] __alloc_pages_slowpath+0x2546/0x2d00 [ 85.165369] ? warn_alloc+0x2b0/0x2b0 [ 85.165381] ? check_noncircular+0x20/0x20 [ 85.165399] ? print_irqtrace_events+0x270/0x270 [ 85.165413] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 85.165424] ? check_noncircular+0x20/0x20 [ 85.165429] ? find_held_lock+0x35/0x1d0 [ 85.165445] ? lock_acquire+0x1d5/0x580 [ 85.165452] ? lock_acquire+0x1d5/0x580 [ 85.165466] ? __lock_acquire+0x664/0x3e00 [ 85.165480] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 85.165505] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 85.165527] ? __lock_is_held+0xb6/0x140 [ 85.165555] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 85.165578] ? __might_sleep+0x95/0x190 [ 85.165592] __alloc_pages_nodemask+0x9fb/0xd80 [ 85.165599] ? lock_release+0xa40/0xa40 [ 85.165614] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 85.165634] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 85.165649] ? print_irqtrace_events+0x270/0x270 [ 85.165668] ? __lock_is_held+0xb6/0x140 [ 85.165688] ? find_next_bit+0x27/0x30 [ 85.165704] pcpu_populate_chunk+0x1b3/0x880 [ 85.165730] pcpu_alloc+0x978/0x10e0 [ 85.165755] ? pcpu_free_area+0xa00/0xa00 [ 85.165762] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 85.165774] ? vmap_page_range_noflush+0x523/0x720 [ 85.165791] ? retint_kernel+0x10/0x10 [ 85.165802] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 85.165812] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.165831] ? retint_kernel+0x10/0x10 [ 85.165855] ? pcpu_alloc+0x184/0x10e0 [ 85.165873] __alloc_percpu_gfp+0x27/0x30 [ 85.165884] array_map_alloc+0x68a/0x830 [ 85.165904] SyS_bpf+0x7f8/0x4420 [ 85.165922] ? bpf_prog_get+0x20/0x20 [ 85.165929] ? __lock_acquire+0x664/0x3e00 [ 85.165939] ? lock_release+0xa40/0xa40 [ 85.165949] ? perf_event_fork+0x30/0x30 [ 85.165969] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 85.165977] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 85.165989] ? vma_wants_writenotify+0x51/0x3b0 [ 85.166012] ? vma_wants_writenotify+0x3b0/0x3b0 [ 85.166025] ? vma_link+0xe9/0x170 [ 85.166041] ? mmap_region+0x52e/0x15a0 [ 85.166061] ? find_held_lock+0x35/0x1d0 [ 85.166071] ? check_noncircular+0x20/0x20 [ 85.166088] ? __handle_mm_fault+0x80e/0x3ce0 [ 85.166103] ? check_noncircular+0x20/0x20 [ 85.166109] ? __pmd_alloc+0x4e0/0x4e0 [ 85.166128] ? find_held_lock+0x35/0x1d0 [ 85.166147] ? handle_mm_fault+0x248/0x8d0 [ 85.166160] ? find_held_lock+0x35/0x1d0 [ 85.166181] ? __do_page_fault+0x5f7/0xc90 [ 85.166190] ? lock_downgrade+0x980/0x980 [ 85.166211] ? handle_mm_fault+0x410/0x8d0 [ 85.166216] ? down_read_trylock+0xdb/0x170 [ 85.166222] ? __do_page_fault+0x32d/0xc90 [ 85.166232] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 85.166238] ? vmacache_find+0x5f/0x280 [ 85.166246] ? vmacache_update+0xfe/0x130 [ 85.166262] ? up_read+0x1a/0x40 [ 85.166284] ? do_fast_syscall_32+0x156/0xf9d [ 85.166297] ? bpf_prog_get+0x20/0x20 [ 85.166306] do_fast_syscall_32+0x3ee/0xf9d [ 85.166325] ? do_int80_syscall_32+0x9d0/0x9d0 [ 85.166333] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.166351] ? syscall_return_slowpath+0x2ad/0x550 [ 85.166359] ? prepare_exit_to_usermode+0x340/0x340 [ 85.166369] ? retint_user+0x18/0x18 [ 85.166388] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 85.166407] entry_SYSENTER_compat+0x54/0x63 [ 85.166412] RIP: 0023:0xf7f30c79 [ 85.166416] RSP: 002b:00000000ffe8deec EFLAGS: 00000282 ORIG_RAX: 0000000000000165 [ 85.166423] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020c47fec [ 85.166427] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 85.166431] RBP: 00000000ffe8df38 R08: 0000000000000000 R09: 0000000000000000 [ 85.166435] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 85.166439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 85.956078] syzkaller344680: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 85.956083] syzkaller344680 cpuset=/ mems_allowed=0 [ 85.956099] CPU: 0 PID: 3497 Comm: syzkaller344680 Not tainted 4.15.0-rc7+ #167 [ 85.956103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.956106] Call Trace: [ 85.956120] dump_stack+0x194/0x257 [ 85.956133] ? arch_local_irq_restore+0x53/0x53 [ 85.956139] ? idr_get_free_cmn+0xfd0/0xfd0 [ 85.956151] ? debug_object_destroy+0x2b0/0x2b0 [ 85.956171] warn_alloc+0x19a/0x2b0 [ 85.956183] ? zone_watermark_ok_safe+0x400/0x400 [ 85.956200] ? __next_timer_interrupt+0x150/0x150 [ 85.956214] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 85.956238] __alloc_pages_slowpath+0x2546/0x2d00 [ 85.956259] ? lock_release+0xa40/0xa40 [ 85.956291] ? warn_alloc+0x2b0/0x2b0 [ 85.956303] ? kernel_text_address+0x102/0x140 [ 85.956316] ? print_irqtrace_events+0x270/0x270 [ 85.956330] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 85.956343] ? depot_save_stack+0x12c/0x490 [ 85.956358] ? lock_acquire+0x1d5/0x580 [ 85.956365] ? lock_acquire+0x1d5/0x580 [ 85.956380] ? __lock_acquire+0x664/0x3e00 [ 85.956394] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 85.956418] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 85.956441] ? __lock_is_held+0xb6/0x140 [ 85.956469] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 85.956491] ? __might_sleep+0x95/0x190 [ 85.956506] __alloc_pages_nodemask+0x9fb/0xd80 [ 85.956513] ? lock_release+0xa40/0xa40 [ 85.956528] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 85.956546] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 85.956561] ? print_irqtrace_events+0x270/0x270 [ 85.956580] ? __lock_is_held+0xb6/0x140 [ 85.956599] ? find_next_bit+0x27/0x30 [ 85.956615] pcpu_populate_chunk+0x1b3/0x880 [ 85.956640] pcpu_alloc+0x978/0x10e0 [ 85.956665] ? pcpu_free_area+0xa00/0xa00 [ 85.956679] ? vmap_page_range_noflush+0x523/0x720 [ 85.956695] ? retint_kernel+0x10/0x10 [ 85.956707] ? retint_kernel+0x10/0x10 [ 85.956718] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 85.956729] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.956747] ? retint_kernel+0x10/0x10 [ 85.956778] __alloc_percpu_gfp+0x27/0x30 [ 85.956789] array_map_alloc+0x68a/0x830 [ 85.956810] SyS_bpf+0x7f8/0x4420 [ 85.956827] ? bpf_prog_get+0x20/0x20 [ 85.956834] ? __lock_acquire+0x664/0x3e00 [ 85.956850] ? perf_event_fork+0x30/0x30 [ 85.956890] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 85.956897] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 85.956911] ? vma_wants_writenotify+0x51/0x3b0 [ 85.956930] ? vma_wants_writenotify+0x3b0/0x3b0 [ 85.956943] ? vma_link+0xe9/0x170 [ 85.956959] ? mmap_region+0x52e/0x15a0 [ 85.956979] ? find_held_lock+0x35/0x1d0 [ 85.956989] ? check_noncircular+0x20/0x20 [ 85.957008] ? __handle_mm_fault+0x80e/0x3ce0 [ 85.957024] ? check_noncircular+0x20/0x20 [ 85.957029] ? __pmd_alloc+0x4e0/0x4e0 [ 85.957048] ? find_held_lock+0x35/0x1d0 [ 85.957067] ? handle_mm_fault+0x248/0x8d0 [ 85.957080] ? find_held_lock+0x35/0x1d0 [ 85.957102] ? __do_page_fault+0x5f7/0xc90 [ 85.957112] ? lock_downgrade+0x980/0x980 [ 85.957132] ? handle_mm_fault+0x410/0x8d0 [ 85.957138] ? down_read_trylock+0xdb/0x170 [ 85.957143] ? __do_page_fault+0x32d/0xc90 [ 85.957153] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 85.957159] ? vmacache_find+0x5f/0x280 [ 85.957167] ? vmacache_update+0xfe/0x130 [ 85.957183] ? up_read+0x1a/0x40 [ 85.957205] ? do_fast_syscall_32+0x156/0xf9d [ 85.957217] ? bpf_prog_get+0x20/0x20 [ 85.957227] do_fast_syscall_32+0x3ee/0xf9d [ 85.957245] ? do_int80_syscall_32+0x9d0/0x9d0 [ 85.957254] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.957271] ? syscall_return_slowpath+0x2ad/0x550 [ 85.957280] ? prepare_exit_to_usermode+0x340/0x340 [ 85.957290] ? retint_user+0x18/0x18 [ 85.957306] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 85.957323] entry_SYSENTER_compat+0x54/0x63 [ 85.957329] RIP: 0023:0xf7f30c79 [ 85.957333] RSP: 002b:00000000ffe8deec EFLAGS: 00000282 ORIG_RAX: 0000000000000165 [ 85.957340] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020c47fec [ 85.957344] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 85.957348] RBP: 00000000ffe8df38 R08: 0000000000000000 R09: 0000000000000000 [ 85.957352] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 85.957356] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 85.957407] warn_alloc_show_mem: 1 callbacks suppressed [ 85.957409] Mem-Info: [ 85.957425] active_anon:2004 inactive_anon:61 isolated_anon:0 [ 85.957425] active_file:15 inactive_file:15 isolated_file:0 [ 85.957425] unevictable:0 dirty:0 writeback:0 unstable:0 [ 85.957425] slab_reclaimable:7259 slab_unreclaimable:83435 [ 85.957425] mapped:3 shmem:68 pagetables:277 bounce:0 [ 85.957425] free:15707 free_pcp:136 free_cma:0 [ 85.957438] Node 0 active_anon:8016kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 85.957440] 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 [ 85.957456] lowmem_reserve[]: 0 2871 6381 6381 [ 85.957468] Node 0 DMA32 free:29188kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:120kB free_cma:0kB [ 85.957483] lowmem_reserve[]: 0 0 3510 3510 [ 85.957495] Node 0 Normal free:17732kB min:37084kB low:46352kB high:55620kB active_anon:8016kB inactive_anon:244kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:2816kB pagetables:1108kB bounce:0kB free_pcp:320kB local_pcp:200kB free_cma:0kB [ 85.957511] lowmem_reserve[]: 0 0 0 0 [ 85.957522] 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 [ 85.957572] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 1*32kB (U) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 3*2048kB (UM) 4*4096kB (M) = 28692kB [ 85.957627] Node 0 Normal: 341*4kB (ME) 246*8kB (ME) 172*16kB (UME) 98*32kB (M) 55*64kB (ME) 23*128kB (M) 8*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17732kB [ 85.957679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 85.957682] 98 total pagecache pages [ 85.957689] 0 pages in swap cache [ 85.957693] Swap cache stats: add 0, delete 0, find 0/0 [ 85.957696] Free swap = 0kB [ 85.957699] Total swap = 0kB [ 85.957701] 1965979 pages RAM [ 85.957704] 0 pages HighMem/MovableOnly [ 85.957706] 327749 pages reserved [ 87.935555] init cpuset=/ mems_allowed=0 [ 87.939656] CPU: 1 PID: 1 Comm: init Not tainted 4.15.0-rc7+ #167 [ 87.945873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.955210] Call Trace: [ 87.957789] dump_stack+0x194/0x257 [ 87.961409] ? arch_local_irq_restore+0x53/0x53 [ 87.966068] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 87.971257] dump_header+0x28c/0xe1e [ 87.974974] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 87.980153] ? pagefault_out_of_memory+0x152/0x152 [ 87.985064] ? check_noncircular+0x20/0x20 [ 87.989289] ? print_irqtrace_events+0x270/0x270 [ 87.994035] ? __lock_acquire+0x664/0x3e00 [ 87.998262] ? check_noncircular+0x20/0x20 [ 88.002485] ? print_irqtrace_events+0x270/0x270 [ 88.007227] ? check_noncircular+0x20/0x20 [ 88.011433] ? task_will_free_mem+0x252/0xaa0 [ 88.015905] ? print_irqtrace_events+0x270/0x270 [ 88.020642] ? ___ratelimit+0x30d/0x630 [ 88.024597] ? lock_downgrade+0x980/0x980 [ 88.028721] ? lock_release+0xa40/0xa40 [ 88.032682] ? mark_held_locks+0xaf/0x100 [ 88.036805] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 88.041883] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 88.046871] ? trace_hardirqs_on+0xd/0x10 [ 88.050993] ? ___ratelimit+0x95/0x630 [ 88.054857] ? idr_get_free_cmn+0xfd0/0xfd0 [ 88.059151] ? check_noncircular+0x20/0x20 [ 88.063364] ? find_held_lock+0x138/0x1d0 [ 88.067491] oom_kill_process+0x8b5/0x14a0 [ 88.071702] ? has_ns_capability_noaudit+0x163/0x2a0 [ 88.076779] ? check_noncircular+0x20/0x20 [ 88.081000] ? oom_evaluate_task+0x480/0x480 [ 88.085397] ? security_capable_noaudit+0x8b/0xc0 [ 88.090216] ? find_held_lock+0x35/0x1d0 [ 88.094260] ? check_noncircular+0x20/0x20 [ 88.098476] ? oom_unkillable_task+0x394/0x4c0 [ 88.103032] ? lock_downgrade+0x980/0x980 [ 88.107157] ? lock_release+0xa40/0xa40 [ 88.111111] ? do_try_to_free_pages+0xc53/0x1020 [ 88.115841] ? find_lock_task_mm+0x460/0x460 [ 88.120226] ? find_held_lock+0x35/0x1d0 [ 88.124269] ? out_of_memory+0xb3a/0x1220 [ 88.128389] ? lock_downgrade+0x980/0x980 [ 88.132510] ? lock_release+0xa40/0xa40 [ 88.136455] ? lock_acquire+0x1d5/0x580 [ 88.140409] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 88.145324] ? oom_evaluate_task+0x284/0x480 [ 88.149710] out_of_memory+0x86d/0x1220 [ 88.153663] ? oom_killer_disable+0x310/0x310 [ 88.158128] ? mutex_trylock+0x23a/0x2d0 [ 88.162160] ? __lock_is_held+0xb6/0x140 [ 88.166192] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 88.171635] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 88.176466] ? trace_hardirqs_on+0xd/0x10 [ 88.180604] ? warn_alloc+0x2b0/0x2b0 [ 88.184377] ? lock_downgrade+0x980/0x980 [ 88.188529] ? find_get_entry+0x53c/0x9e0 [ 88.192670] ? __lock_acquire+0x664/0x3e00 [ 88.196911] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 88.202785] ? __might_sleep+0x95/0x190 [ 88.206745] __alloc_pages_nodemask+0x9fb/0xd80 [ 88.211391] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 88.216380] ? add_to_page_cache_lru+0x510/0x510 [ 88.221122] ? check_noncircular+0x20/0x20 [ 88.225329] ? check_noncircular+0x20/0x20 [ 88.229543] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 88.234295] alloc_pages_current+0xb6/0x1e0 [ 88.238593] __page_cache_alloc+0x334/0x500 [ 88.242889] ? rcu_read_lock_held+0xa9/0xc0 [ 88.247193] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 88.254536] filemap_fault+0xefc/0x1c20 [ 88.258490] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 88.263669] ? __lock_page_or_retry+0x4f0/0x4f0 [ 88.268317] ? filemap_map_pages+0x942/0x15d0 [ 88.272797] ? find_get_entries_tag+0xeb0/0xeb0 [ 88.277442] ? remove_wait_queue+0x1b4/0x350 [ 88.281822] ? check_noncircular+0x20/0x20 [ 88.286029] ? print_irqtrace_events+0x270/0x270 [ 88.290756] ? add_wait_queue+0x290/0x290 [ 88.294879] ? print_irqtrace_events+0x270/0x270 [ 88.299603] ? print_irqtrace_events+0x270/0x270 [ 88.304351] ? print_irqtrace_events+0x270/0x270 [ 88.309076] ? fput+0xd2/0x140 [ 88.312258] ? lock_acquire+0x1d5/0x580 [ 88.316200] ? lock_acquire+0x1d5/0x580 [ 88.320147] ? ext4_filemap_fault+0x7a/0xad [ 88.324447] ? __lock_acquire+0x664/0x3e00 [ 88.328655] ? lock_release+0xa40/0xa40 [ 88.332600] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 88.338457] ? rcu_note_context_switch+0x710/0x710 [ 88.343361] ? __might_sleep+0x95/0x190 [ 88.347318] ? down_read+0x96/0x150 [ 88.350913] ? ext4_filemap_fault+0x7a/0xad [ 88.355213] ? __down_interruptible+0x6b0/0x6b0 [ 88.359864] ext4_filemap_fault+0x82/0xad [ 88.363993] __do_fault+0xeb/0x30f [ 88.367517] ? pte_offset_kernel+0xc7/0xc7 [ 88.371731] ? set_fd_set.part.0+0x70/0x70 [ 88.376030] ? do_raw_spin_trylock+0x190/0x190 [ 88.380591] ? check_noncircular+0x20/0x20 [ 88.384805] __handle_mm_fault+0x1d8f/0x3ce0 [ 88.389200] ? __pmd_alloc+0x4e0/0x4e0 [ 88.393056] ? find_held_lock+0x35/0x1d0 [ 88.397117] ? find_held_lock+0x35/0x1d0 [ 88.401157] ? handle_mm_fault+0x248/0x8d0 [ 88.405365] ? lock_downgrade+0x980/0x980 [ 88.409509] handle_mm_fault+0x334/0x8d0 [ 88.413539] ? down_read_trylock+0xdb/0x170 [ 88.417830] ? __do_page_fault+0x32d/0xc90 [ 88.422036] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 88.426588] ? vmacache_find+0x5f/0x280 [ 88.430537] ? find_vma+0x30/0x150 [ 88.434052] __do_page_fault+0x5c9/0xc90 [ 88.438094] ? mm_fault_error+0x2c0/0x2c0 [ 88.442972] ? find_held_lock+0x35/0x1d0 [ 88.447032] do_page_fault+0xee/0x720 [ 88.450807] ? __do_page_fault+0xc90/0xc90 [ 88.455021] ? lock_release+0xa40/0xa40 [ 88.458970] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 88.464826] ? SyS_select+0x1ae/0x230 [ 88.468608] ? retint_user+0x18/0x18 [ 88.472297] ? page_fault+0x36/0x60 [ 88.475905] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 88.480729] ? page_fault+0x36/0x60 [ 88.484330] page_fault+0x4c/0x60 [ 88.487755] RIP: 0033:0x40391d [ 88.490926] RSP: 002b:00007ffe5bef8140 EFLAGS: 00010202 [ 88.496260] RAX: 0000000000b13c25 RBX: 0000000000b13c00 RCX: 0000000000000004 [ 88.503504] RDX: 0000000000000fe0 RSI: 0000000000000005 RDI: 0000000000b13c24 [ 88.510745] RBP: 0000000000000080 R08: 0000000000b13c20 R09: 0000000000000001 [ 88.517984] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000080 [ 88.525228] R13: 0000000000000001 R14: 0000000000000032 R15: 0000000000000000 [ 88.532592] Mem-Info: [ 88.535105] active_anon:2004 inactive_anon:61 isolated_anon:0 [ 88.535105] active_file:15 inactive_file:315 isolated_file:0 [ 88.535105] unevictable:0 dirty:25 writeback:0 unstable:0 [ 88.535105] slab_reclaimable:7259 slab_unreclaimable:83438 [ 88.535105] mapped:203 shmem:68 pagetables:273 bounce:0 [ 88.535105] free:255502 free_pcp:399 free_cma:0 [ 88.567775] Node 0 active_anon:8016kB inactive_anon:244kB active_file:60kB inactive_file:1260kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:812kB dirty:100kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 88.594834] 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 [ 88.621279] lowmem_reserve[]: 0 2871 6381 6381 [ 88.626045] Node 0 DMA32 free:459656kB min:30332kB low:37912kB high:45492kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942376kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:832kB local_pcp:104kB free_cma:0kB [ 88.654692] lowmem_reserve[]: 0 0 3510 3510 [ 88.659172] Node 0 Normal free:685992kB min:37084kB low:46352kB high:55620kB active_anon:8016kB inactive_anon:244kB active_file:60kB inactive_file:1260kB unevictable:0kB writepending:148kB present:4718592kB managed:3594636kB mlocked:0kB kernel_stack:2752kB pagetables:1092kB bounce:0kB free_pcp:744kB local_pcp:120kB free_cma:0kB [ 88.688551] lowmem_reserve[]: 0 0 0 0 [ 88.692501] 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 [ 88.706240] Node 0 DMA32: 873*4kB (UM) 874*8kB (U) 815*16kB (UM) 698*32kB (U) 334*64kB (UM) 253*128kB (UM) 212*256kB (UM) 216*512kB (UM) 189*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 480548kB [ 88.723623] Node 0 Normal: 1578*4kB (UM) 2055*8kB (UME) 1606*16kB (UME) 1247*32kB (UME) 661*64kB (UME) 444*128kB (UM) 360*256kB (UM) 316*512kB (U) 276*1024kB (UE) 0*2048kB 0*4096kB = 724064kB [ 88.741114] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 88.749850] 431 total pagecache pages [ 88.753774] 0 pages in swap cache [ 88.757345] Swap cache stats: add 0, delete 0, find 0/0 [ 88.762821] Free swap = 0kB [ 88.765945] Total swap = 0kB [ 88.769069] 1965979 pages RAM [ 88.772250] 0 pages HighMem/MovableOnly [ 88.776307] 327749 pages reserved [ 88.779834] Unreclaimable slab info: [ 88.783668] Name Used Total [ 88.789298] hashtab_node 118KB 119KB [ 88.794747] ebitmap_node 382KB 385KB [ 88.800232] avtab_node 1012KB 1013KB [ 88.805726] TIPC 1KB 7KB [ 88.811208] SCTPv6 2KB 4KB [ 88.816707] DCCPv6 2KB 7KB [ 88.822159] DCCP 2KB 6KB [ 88.827628] fib6_nodes 0KB 4KB [ 88.833117] ip6_dst_cache 7KB 11KB [ 88.838595] RAWv6 9KB 19KB [ 88.844096] UDPv6 12KB 14KB [ 88.849579] TCPv6 2KB 5KB [ 88.855101] sd_ext_cdb 0KB 3KB [ 88.860560] scsi_sense_cache 90KB 96KB [ 88.866040] virtio_scsi_cmd 16KB 16KB [ 88.871489] sgpool-128 8KB 8KB [ 88.876945] sgpool-64 4KB 6KB [ 88.882404] sgpool-32 126KB 126KB [ 88.887883] sgpool-16 39KB 41KB [ 88.893379] sgpool-8 175KB 176KB [ 88.898862] cfq_io_cq 15KB 15KB [ 88.904315] cfq_queue 24KB 27KB [ 88.909764] mqueue_inode_cache 1KB 7KB [ 88.915313] nfs_commit_data 3KB 7KB [ 88.920761] nfs_write_data 34KB 37KB [ 88.926227] jbd2_inode 1KB 3KB [ 88.931713] ext4_system_zone 0KB 3KB [ 88.937219] bio-1 1KB 3KB [ 88.942711] rpc_buffers 17KB 19KB [ 88.948192] rpc_tasks 2KB 3KB [ 88.953664] UNIX 777KB 780KB [ 88.959118] tcp_bind_bucket 0KB 4KB [ 88.964567] ip_fib_trie 0KB 3KB [ 88.970049] ip_fib_alias 0KB 3KB [ 88.975539] ip_dst_cache 4KB 7KB [ 88.981057] RAW 5KB 7KB [ 88.986539] UDP 29KB 39KB [ 88.992056] TCP 7KB 7KB [ 88.997503] hugetlbfs_inode_cache 1KB 7KB [ 89.003307] eventpoll_pwq 9KB 11KB [ 89.008754] eventpoll_epi 17KB 23KB [ 89.014208] inotify_inode_mark 3KB 7KB [ 89.019776] request_queue 31KB 39KB [ 89.025275] blkdev_ioc 22KB 23KB [ 89.030760] bio-0 326KB 326KB [ 89.036241] biovec-(1<<(21-12)) 717KB 717KB [ 89.041871] biovec-64 157KB 157KB [ 89.047329] biovec-16 20KB 22KB [ 89.052774] bio_integrity_payload 0KB 4KB [ 89.058573] khugepaged_mm_slot 0KB 3KB [ 89.064141] uid_cache 0KB 3KB [ 89.069653] dmaengine-unmap-2 0KB 3KB [ 89.075134] audit_buffer 0KB 3KB [ 89.080649] skbuff_fclone_cache 130KB 135KB [ 89.086294] skbuff_head_cache 1842KB 1845KB [ 89.091740] configfs_dir_cache 0KB 4KB [ 89.097276] file_lock_cache 156KB 158KB [ 89.102775] file_lock_ctx 1KB 3KB [ 89.108266] fsnotify_mark_connector 2KB 3KB [ 89.116732] shmem_inode_cache 1041KB 1042KB [ 89.122217] task_delay_info 302KB 359KB [ 89.127666] sigqueue 348KB 358KB [ 89.133111] kernfs_node_cache 2156KB 2157KB [ 89.138554] mnt_cache 15KB 20KB [ 89.143999] filp 8456KB 8591KB [ 89.149483] names_cache 110657KB 110695KB [ 89.154966] avc_node 37KB 43KB [ 89.160460] selinux_file_security 420KB 453KB [ 89.166294] selinux_inode_security 1920KB 1924KB [ 89.172171] key_jar 3KB 7KB [ 89.177619] nsproxy 0KB 3KB [ 89.183119] vm_area_struct 17959KB 17963KB [ 89.188573] mm_struct 4304KB 4312KB [ 89.194040] fs_cache 403KB 456KB [ 89.199517] files_cache 1511KB 1511KB [ 89.205038] signal_cache 2409KB 2415KB [ 89.210518] sighand_cache 210KB 284KB [ 89.215998] task_struct 10290KB 10290KB [ 89.221448] cred_jar 2277KB 2284KB [ 89.226931] anon_vma_chain 7456KB 7461KB [ 89.232382] anon_vma 114KB 281KB [ 89.237846] pid 210KB 260KB [ 89.243331] Acpi-Operand 106KB 170KB [ 89.248841] Acpi-Namespace 19KB 23KB [ 89.254321] numa_policy 0KB 3KB [ 89.259799] debug_objects_cache 413KB 419KB [ 89.265431] trace_event_file 144KB 147KB [ 89.270877] ftrace_event_field 254KB 255KB [ 89.276411] pool_workqueue 22KB 28KB [ 89.281866] page->ptl 2949KB 2952KB [ 89.287366] kmalloc-262144 1032KB 1032KB [ 89.292847] kmalloc-131072 650KB 650KB [ 89.298358] kmalloc-65536 264KB 264KB [ 89.303845] kmalloc-32768 627KB 627KB [ 89.309295] kmalloc-16384 148KB 148KB [ 89.314740] kmalloc-8192 453KB 453KB [ 89.320188] kmalloc-4096 7620KB 7658KB [ 89.325641] kmalloc-2048 3123KB 3130KB [ 89.331131] kmalloc-1024 3969KB 3969KB [ 89.336617] kmalloc-512 2663KB 2936KB [ 89.342154] kmalloc-256 2002KB 2385KB [ 89.347636] kmalloc-128 396KB 519KB [ 89.353121] kmalloc-96 2124KB 2124KB [ 89.358586] kmalloc-64 2516KB 2516KB [ 89.364053] kmalloc-32 2401KB 2401KB [ 89.369517] kmalloc-192 928KB 928KB [ 89.374993] kmem_cache 100KB 105KB [ 89.380510] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 89.389237] [ 1771] 0 1771 5385 184 90112 0 -1000 udevd [ 89.397419] [ 3339] 0 3339 30649 205 118784 0 0 rsyslogd [ 89.405835] [ 3390] 0 3390 4725 51 81920 0 0 cron [ 89.413906] [ 3402] 0 3402 3736 45 65536 0 0 mcstransd [ 89.422410] [ 3432] 0 3432 12490 152 135168 0 -1000 sshd [ 89.430482] [ 3464] 0 3464 3694 41 73728 0 0 getty [ 89.438676] [ 3465] 0 3465 3694 40 77824 0 0 getty [ 89.446842] [ 3466] 0 3466 3694 42 69632 0 0 getty [ 89.455042] [ 3467] 0 3467 3694 40 77824 0 0 getty [ 89.463209] [ 3468] 0 3468 3694 42 73728 0 0 getty [ 89.471413] [ 3469] 0 3469 3694 40 77824 0 0 getty [ 89.479576] [ 3470] 0 3470 3649 39 73728 0 0 getty [ 89.487753] [ 3473] 0 3473 5681 454 90112 0 -1000 udevd [ 89.495916] [ 3474] 0 3474 5681 454 90112 0 -1000 udevd [ 89.504095] [ 3494] 0 3494 17821 197 188416 0 0 sshd [ 89.512165] [ 3496] 0 3496 237 1 28672 0 0 syzkaller344680 [ 89.521309] Out of memory: Kill process 3494 (sshd) score 0 or sacrifice child [ 89.529107] Killed process 3496 (syzkaller344680) total-vm:948kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB