[....] Starting enhanced syslogd: rsyslogd[ 12.688725] audit: type=1400 audit(1516408487.090:5): avc: denied { syslog } for pid=3494 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 16.089656] audit: type=1400 audit(1516408490.491:6): avc: denied { map } for pid=3634 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 '10.128.15.218' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 22.368256] audit: type=1400 audit(1516408496.770:7): avc: denied { map } for pid=3648 comm="syzkaller182529" path="/root/syzkaller182529892" 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 [ 22.412260] audit: type=1400 audit(1516408496.770:8): avc: denied { map_create } for pid=3654 comm="syzkaller182529" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 29.491100] syzkaller182529 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 29.503548] syzkaller182529 cpuset=/ mems_allowed=0 [ 29.509039] CPU: 0 PID: 3656 Comm: syzkaller182529 Not tainted 4.15.0-rc8+ #179 [ 29.516469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.525798] Call Trace: [ 29.528371] dump_stack+0x194/0x257 [ 29.531979] ? arch_local_irq_restore+0x53/0x53 [ 29.536629] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.541801] dump_header+0x28c/0xe1e [ 29.545509] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.550686] ? pagefault_out_of_memory+0x152/0x152 [ 29.555608] ? print_irqtrace_events+0x270/0x270 [ 29.560350] ? print_irqtrace_events+0x270/0x270 [ 29.565082] ? __lock_acquire+0x664/0x3e00 [ 29.569316] ? check_noncircular+0x20/0x20 [ 29.573565] ? check_noncircular+0x20/0x20 [ 29.577787] ? task_will_free_mem+0x252/0xaa0 [ 29.582263] ? print_irqtrace_events+0x270/0x270 [ 29.587003] ? ___ratelimit+0x30d/0x630 [ 29.590961] ? lock_downgrade+0x980/0x980 [ 29.595095] ? lock_release+0xa40/0xa40 [ 29.599071] ? mark_held_locks+0xaf/0x100 [ 29.603209] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 29.608302] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.613308] ? trace_hardirqs_on+0xd/0x10 [ 29.617451] ? ___ratelimit+0x95/0x630 [ 29.621335] ? idr_get_free_cmn+0xfd0/0xfd0 [ 29.625649] ? check_noncircular+0x20/0x20 [ 29.629863] ? find_held_lock+0x138/0x1d0 [ 29.633995] oom_kill_process+0x8b5/0x14a0 [ 29.638220] ? has_ns_capability_noaudit+0x163/0x2a0 [ 29.643307] ? lock_downgrade+0x980/0x980 [ 29.647451] ? oom_evaluate_task+0x480/0x480 [ 29.651854] ? security_capable_noaudit+0x8b/0xc0 [ 29.656678] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 29.661757] ? has_capability+0x30/0x30 [ 29.665711] ? do_raw_spin_trylock+0x190/0x190 [ 29.670273] ? check_noncircular+0x20/0x20 [ 29.674487] ? has_capability_noaudit+0x24/0x30 [ 29.679139] ? oom_badness+0xd1/0x980 [ 29.682921] ? lock_release+0xa40/0xa40 [ 29.686871] ? do_try_to_free_pages+0xc53/0x1020 [ 29.691620] ? find_lock_task_mm+0x460/0x460 [ 29.696015] ? find_held_lock+0x35/0x1d0 [ 29.700058] ? out_of_memory+0xb3a/0x1220 [ 29.704183] ? lock_downgrade+0x980/0x980 [ 29.708309] ? lock_release+0xa40/0xa40 [ 29.712262] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 29.717184] ? oom_evaluate_task+0x284/0x480 [ 29.721595] out_of_memory+0x86d/0x1220 [ 29.725573] ? oom_killer_disable+0x310/0x310 [ 29.730057] ? mutex_trylock+0x23a/0x2d0 [ 29.734103] ? __lock_is_held+0xb6/0x140 [ 29.738142] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 29.743598] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 29.748450] ? warn_alloc+0x2b0/0x2b0 [ 29.752222] ? check_noncircular+0x20/0x20 [ 29.756440] ? print_irqtrace_events+0x270/0x270 [ 29.761183] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.766355] ? check_noncircular+0x20/0x20 [ 29.770562] ? find_held_lock+0x35/0x1d0 [ 29.774607] ? lock_acquire+0x1d5/0x580 [ 29.778553] ? lock_acquire+0x1d5/0x580 [ 29.782509] ? __lock_acquire+0x664/0x3e00 [ 29.786724] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 29.792596] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.797768] ? __lock_is_held+0xb6/0x140 [ 29.801816] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 29.807698] ? __might_sleep+0x95/0x190 [ 29.811687] __alloc_pages_nodemask+0x9fb/0xd80 [ 29.816338] ? lock_release+0xa40/0xa40 [ 29.820290] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 29.825303] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 29.830218] ? print_irqtrace_events+0x270/0x270 [ 29.834953] ? __lock_is_held+0xb6/0x140 [ 29.838997] ? find_next_bit+0x27/0x30 [ 29.842867] pcpu_populate_chunk+0x1b3/0x880 [ 29.847275] pcpu_alloc+0x978/0x10e0 [ 29.850979] ? pcpu_free_area+0xa00/0xa00 [ 29.855109] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 29.859611] ? vmap_page_range_noflush+0x523/0x720 [ 29.864540] ? retint_kernel+0x10/0x10 [ 29.868670] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.873671] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.878412] ? retint_kernel+0x10/0x10 [ 29.882282] __alloc_percpu_gfp+0x27/0x30 [ 29.886405] array_map_alloc+0x794/0x990 [ 29.890449] SyS_bpf+0x7f8/0x4400 [ 29.893888] ? bpf_prog_get+0x20/0x20 [ 29.897668] ? __lock_acquire+0x664/0x3e00 [ 29.901889] ? perf_event_fork+0x30/0x30 [ 29.905932] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.911102] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.916278] ? vma_wants_writenotify+0x51/0x3b0 [ 29.920931] ? vma_wants_writenotify+0x3b0/0x3b0 [ 29.925674] ? vma_link+0xe9/0x170 [ 29.929209] ? mmap_region+0x52e/0x15a0 [ 29.933186] ? find_held_lock+0x35/0x1d0 [ 29.937237] ? check_noncircular+0x20/0x20 [ 29.941469] ? __handle_mm_fault+0x80e/0x3ce0 [ 29.945949] ? check_noncircular+0x20/0x20 [ 29.950155] ? __pmd_alloc+0x4e0/0x4e0 [ 29.954025] ? find_held_lock+0x35/0x1d0 [ 29.958064] ? handle_mm_fault+0x248/0x8d0 [ 29.962274] ? find_held_lock+0x35/0x1d0 [ 29.966318] ? __do_page_fault+0x5f7/0xc90 [ 29.970528] ? lock_downgrade+0x980/0x980 [ 29.974658] ? handle_mm_fault+0x410/0x8d0 [ 29.978863] ? down_read_trylock+0xdb/0x170 [ 29.983165] ? __do_page_fault+0x32d/0xc90 [ 29.987387] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 29.991954] ? vmacache_find+0x5f/0x280 [ 29.995909] ? vmacache_update+0xfe/0x130 [ 30.000037] ? up_read+0x1a/0x40 [ 30.003420] ? do_fast_syscall_32+0x156/0xf9d [ 30.007915] ? bpf_prog_get+0x20/0x20 [ 30.011700] do_fast_syscall_32+0x3ee/0xf9d [ 30.016007] ? do_int80_syscall_32+0x9d0/0x9d0 [ 30.020568] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.025314] ? syscall_return_slowpath+0x2ad/0x550 [ 30.030224] ? prepare_exit_to_usermode+0x340/0x340 [ 30.035223] ? retint_user+0x18/0x18 [ 30.038924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.043757] entry_SYSENTER_compat+0x54/0x63 [ 30.048145] RIP: 0023:0xf7f07c79 [ 30.051484] RSP: 002b:00000000ffd4758c EFLAGS: 00000286 ORIG_RAX: 0000000000000165 [ 30.059183] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000203dc000 [ 30.066433] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 30.073681] RBP: 00000000ffd475d8 R08: 0000000000000000 R09: 0000000000000000 [ 30.080929] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 30.088174] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 30.095522] Mem-Info: [ 30.098100] active_anon:7884 inactive_anon:63 isolated_anon:0 [ 30.098100] active_file:14 inactive_file:13 isolated_file:0 [ 30.098100] unevictable:0 dirty:0 writeback:0 unstable:0 [ 30.098100] slab_reclaimable:7270 slab_unreclaimable:83421 [ 30.098100] mapped:3 shmem:70 pagetables:346 bounce:0 [ 30.098100] free:24136 free_pcp:32 free_cma:0 [ 30.130141] Node 0 active_anon:31536kB inactive_anon:252kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 30.157118] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 30.183471] lowmem_reserve[]: 0 2870 6381 6381 [ 30.188079] Node 0 DMA32 free:44080kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 30.215344] lowmem_reserve[]: 0 0 3510 3510 [ 30.219676] Node 0 Normal free:36556kB min:37084kB low:46352kB high:55620kB active_anon:31504kB inactive_anon:248kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3104kB pagetables:1384kB bounce:0kB free_pcp:128kB local_pcp:120kB free_cma:0kB [ 30.248724] lowmem_reserve[]: 0 0 0 0 [ 30.252592] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 30.266313] Node 0 DMA32: 6*4kB (M) 5*8kB (UM) 7*16kB (UM) 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44080kB [ 30.281696] Node 0 Normal: 557*4kB (M) 465*8kB (UM) 301*16kB (UM) 160*32kB (UM) 99*64kB (UM) 30*128kB (M) 35*256kB (UM) 3*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36556kB [ 30.297036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 30.305622] 97 total pagecache pages [ 30.309350] 0 pages in swap cache [ 30.312801] Swap cache stats: add 0, delete 0, find 0/0 [ 30.318168] Free swap = 0kB [ 30.321183] Total swap = 0kB [ 30.324205] 1965979 pages RAM [ 30.327305] 0 pages HighMem/MovableOnly [ 30.331283] 327760 pages reserved [ 30.334785] Unreclaimable slab info: [ 30.338554] Name Used Total [ 30.344175] hashtab_node 118KB 119KB [ 30.349547] ebitmap_node 382KB 385KB [ 30.354906] avtab_node 1012KB 1013KB [ 30.360308] TIPC 1KB 7KB [ 30.365672] SCTPv6 2KB 4KB [ 30.371044] DCCPv6 2KB 7KB [ 30.376414] DCCP 2KB 6KB [ 30.381813] fib6_nodes 0KB 4KB [ 30.387188] ip6_dst_cache 6KB 11KB [ 30.392575] RAWv6 9KB 19KB [ 30.397937] UDPv6 12KB 14KB [ 30.403307] TCPv6 2KB 5KB [ 30.408682] sd_ext_cdb 0KB 3KB [ 30.414050] scsi_sense_cache 70KB 124KB [ 30.419413] virtio_scsi_cmd 16KB 16KB [ 30.424772] sgpool-128 8KB 8KB [ 30.430144] sgpool-64 4KB 6KB [ 30.435505] sgpool-32 63KB 63KB [ 30.440863] sgpool-16 26KB 26KB [ 30.446232] sgpool-8 153KB 153KB [ 30.451597] cfq_io_cq 15KB 19KB [ 30.456951] cfq_queue 24KB 27KB [ 30.462322] mqueue_inode_cache 1KB 7KB [ 30.467774] nfs_commit_data 3KB 7KB [ 30.473148] nfs_write_data 34KB 37KB [ 30.478513] jbd2_inode 1KB 3KB [ 30.483883] ext4_system_zone 0KB 3KB [ 30.489266] bio-1 1KB 3KB [ 30.494633] rpc_buffers 17KB 19KB [ 30.500004] rpc_tasks 2KB 3KB [ 30.505396] UNIX 780KB 780KB [ 30.510753] tcp_bind_bucket 0KB 4KB [ 30.516124] ip_fib_trie 0KB 3KB [ 30.521483] ip_fib_alias 0KB 3KB [ 30.526850] ip_dst_cache 4KB 7KB [ 30.532225] RAW 5KB 7KB [ 30.537597] UDP 29KB 31KB [ 30.542966] TCP 7KB 15KB [ 30.548340] hugetlbfs_inode_cache 1KB 7KB [ 30.554065] eventpoll_pwq 9KB 11KB [ 30.559428] eventpoll_epi 18KB 23KB [ 30.564795] inotify_inode_mark 3KB 7KB [ 30.570259] request_queue 53KB 135KB [ 30.575623] blkdev_ioc 20KB 23KB [ 30.580991] bio-0 262KB 262KB [ 30.586372] biovec-(1<<(21-12)) 462KB 462KB [ 30.591924] biovec-64 94KB 94KB [ 30.597305] biovec-16 10KB 15KB [ 30.602667] bio_integrity_payload 0KB 4KB [ 30.608383] khugepaged_mm_slot 0KB 3KB [ 30.613838] uid_cache 0KB 3KB [ 30.619206] dmaengine-unmap-2 0KB 3KB [ 30.624567] audit_buffer 0KB 3KB [ 30.629923] skbuff_fclone_cache 136KB 138KB [ 30.635456] skbuff_head_cache 1889KB 1890KB [ 30.640822] configfs_dir_cache 0KB 4KB [ 30.646284] file_lock_cache 164KB 166KB [ 30.651652] file_lock_ctx 1KB 3KB [ 30.657043] fsnotify_mark_connector 2KB 3KB [ 30.662930] shmem_inode_cache 1053KB 1054KB [ 30.668296] task_delay_info 323KB 332KB [ 30.673658] sigqueue 365KB 370KB [ 30.679042] kernfs_node_cache 2289KB 2295KB [ 30.684402] mnt_cache 15KB 20KB [ 30.689760] filp 8475KB 8876KB [ 30.695130] names_cache 111541KB 111579KB [ 30.700493] avc_node 37KB 39KB [ 30.705860] selinux_file_security 434KB 488KB [ 30.711566] selinux_inode_security 1944KB 1948KB [ 30.717361] key_jar 3KB 7KB [ 30.722727] nsproxy 0KB 3KB [ 30.728101] vm_area_struct 18606KB 18608KB [ 30.733466] mm_struct 4510KB 4515KB [ 30.738831] fs_cache 424KB 424KB [ 30.744212] files_cache 1589KB 1593KB [ 30.749573] signal_cache 2534KB 2537KB [ 30.755053] sighand_cache 217KB 333KB [ 30.760419] task_struct 10804KB 10804KB [ 30.765791] cred_jar 2350KB 2352KB [ 30.771168] anon_vma_chain 7797KB 7800KB [ 30.776546] anon_vma 168KB 346KB [ 30.781905] pid 221KB 244KB [ 30.787276] Acpi-Operand 106KB 170KB [ 30.792639] Acpi-Parse 0KB 3KB [ 30.798034] Acpi-State 0KB 7KB [ 30.803395] Acpi-Namespace 19KB 23KB [ 30.808749] numa_policy 0KB 3KB [ 30.814119] debug_objects_cache 469KB 469KB [ 30.819656] trace_event_file 144KB 147KB [ 30.825039] ftrace_event_field 254KB 255KB [ 30.830492] pool_workqueue 24KB 24KB [ 30.835863] page->ptl 3075KB 3075KB [ 30.841259] kmalloc-262144 1032KB 1032KB [ 30.846628] kmalloc-131072 650KB 650KB [ 30.851994] kmalloc-65536 264KB 264KB [ 30.857373] kmalloc-32768 825KB 825KB [ 30.862736] kmalloc-16384 181KB 181KB [ 30.868103] kmalloc-8192 470KB 470KB [ 30.873465] kmalloc-4096 7161KB 7199KB [ 30.878824] kmalloc-2048 3232KB 3232KB [ 30.884193] kmalloc-1024 3496KB 3496KB [ 30.889557] kmalloc-512 2758KB 2760KB [ 30.894915] kmalloc-256 2015KB 2508KB [ 30.900289] kmalloc-128 408KB 515KB [ 30.905653] kmalloc-96 2052KB 2052KB [ 30.911039] kmalloc-64 2460KB 2460KB [ 30.916403] kmalloc-32 2405KB 2405KB [ 30.921818] kmalloc-192 908KB 908KB [ 30.927190] kmem_cache 101KB 105KB [ 30.932550] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 30.941244] [ 1815] 0 1815 5366 168 90112 0 -1000 udevd [ 30.949485] [ 3337] 0 3337 2493 573 61440 0 0 dhclient [ 30.957900] [ 3494] 0 3494 14298 174 118784 0 0 rsyslogd [ 30.966327] [ 3540] 0 3540 4725 50 77824 0 0 cron [ 30.974382] [ 3567] 0 3567 3736 45 69632 0 0 mcstransd [ 30.982885] [ 3569] 0 3569 12927 1227 135168 0 0 restorecond [ 30.991556] [ 3595] 0 3595 12490 153 143360 0 -1000 sshd [ 30.999615] [ 3619] 0 3619 3694 39 73728 0 0 getty [ 31.007757] [ 3620] 0 3620 3694 41 77824 0 0 getty [ 31.015900] [ 3621] 0 3621 3694 40 77824 0 0 getty [ 31.024056] [ 3622] 0 3622 3694 40 77824 0 0 getty [ 31.032217] [ 3623] 0 3623 3694 41 73728 0 0 getty [ 31.040377] [ 3624] 0 3624 3694 41 73728 0 0 getty [ 31.048541] [ 3625] 0 3625 3649 38 73728 0 0 getty [ 31.056700] [ 3629] 0 3629 5662 455 90112 0 -1000 udevd [ 31.064862] [ 3630] 0 3630 5662 455 90112 0 -1000 udevd [ 31.073044] [ 3646] 0 3646 17821 196 180224 0 0 sshd [ 31.081120] [ 3648] 0 3648 237 1 28672 0 0 syzkaller182529 [ 31.090151] [ 3649] 0 3649 4000 521 32768 0 0 syzkaller182529 [ 31.099165] [ 3650] 0 3650 4000 521 32768 0 0 syzkaller182529 [ 31.108192] [ 3651] 0 3651 4000 521 32768 0 0 syzkaller182529 [ 31.117206] [ 3652] 0 3652 4000 521 32768 0 0 syzkaller182529 [ 31.126228] [ 3653] 0 3653 4000 521 32768 0 0 syzkaller182529 [ 31.135252] [ 3654] 0 3654 4000 521 32768 0 0 syzkaller182529 [ 31.144282] [ 3655] 0 3655 4000 521 32768 0 0 syzkaller182529 [ 31.153563] [ 3656] 0 3656 4000 521 32768 0 0 syzkaller182529 [ 31.162566] Out of memory: Kill process 3569 (restorecond) score 0 or sacrifice child [ 31.170886] Killed process 3569 (restorecond) total-vm:51708kB, anon-rss:4908kB, file-rss:0kB, shmem-rss:0kB [ 31.203939] syzkaller182529 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 31.216480] syzkaller182529 cpuset=/ mems_allowed=0 [ 31.221559] CPU: 0 PID: 3652 Comm: syzkaller182529 Not tainted 4.15.0-rc8+ #179 [ 31.228984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.238323] Call Trace: [ 31.240887] dump_stack+0x194/0x257 [ 31.244488] ? arch_local_irq_restore+0x53/0x53 [ 31.249129] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.254299] dump_header+0x28c/0xe1e [ 31.257986] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.263143] ? print_irqtrace_events+0x270/0x270 [ 31.267874] ? pagefault_out_of_memory+0x152/0x152 [ 31.272784] ? check_noncircular+0x20/0x20 [ 31.276993] ? print_irqtrace_events+0x270/0x270 [ 31.281731] ? __lock_acquire+0x664/0x3e00 [ 31.285942] ? check_noncircular+0x20/0x20 [ 31.290151] ? find_held_lock+0x35/0x1d0 [ 31.294191] ? check_noncircular+0x20/0x20 [ 31.298397] ? task_will_free_mem+0x252/0xaa0 [ 31.302870] ? print_irqtrace_events+0x270/0x270 [ 31.307615] ? ___ratelimit+0x30d/0x630 [ 31.311569] ? lock_downgrade+0x980/0x980 [ 31.315692] ? lock_release+0xa40/0xa40 [ 31.319640] ? mark_held_locks+0xaf/0x100 [ 31.323761] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 31.328843] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.333830] ? trace_hardirqs_on+0xd/0x10 [ 31.337952] ? ___ratelimit+0x95/0x630 [ 31.341812] ? idr_get_free_cmn+0xfd0/0xfd0 [ 31.346106] ? check_noncircular+0x20/0x20 [ 31.350312] ? find_held_lock+0x138/0x1d0 [ 31.354436] oom_kill_process+0x8b5/0x14a0 [ 31.358650] ? has_ns_capability_noaudit+0x163/0x2a0 [ 31.363723] ? lock_downgrade+0x980/0x980 [ 31.367843] ? oom_evaluate_task+0x480/0x480 [ 31.372233] ? security_capable_noaudit+0x8b/0xc0 [ 31.377050] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 31.382122] ? has_capability+0x30/0x30 [ 31.386066] ? do_raw_spin_trylock+0x190/0x190 [ 31.390621] ? check_noncircular+0x20/0x20 [ 31.394831] ? has_capability_noaudit+0x24/0x30 [ 31.399474] ? oom_badness+0xd1/0x980 [ 31.403245] ? lock_release+0xa40/0xa40 [ 31.407189] ? do_try_to_free_pages+0xc53/0x1020 [ 31.411918] ? find_lock_task_mm+0x460/0x460 [ 31.416301] ? find_held_lock+0x35/0x1d0 [ 31.420340] ? out_of_memory+0xb3a/0x1220 [ 31.424460] ? lock_downgrade+0x980/0x980 [ 31.428584] ? lock_release+0xa40/0xa40 [ 31.432534] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 31.437445] ? oom_evaluate_task+0x284/0x480 [ 31.441827] out_of_memory+0x86d/0x1220 [ 31.445780] ? oom_killer_disable+0x310/0x310 [ 31.450245] ? mutex_trylock+0x23a/0x2d0 [ 31.454280] ? __lock_is_held+0xb6/0x140 [ 31.458315] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 31.463748] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 31.468598] ? warn_alloc+0x2b0/0x2b0 [ 31.472375] ? check_noncircular+0x20/0x20 [ 31.476587] ? check_preempt_wakeup+0x426/0xb20 [ 31.481240] ? print_irqtrace_events+0x270/0x270 [ 31.485972] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.491143] ? lock_acquire+0x1d5/0x580 [ 31.495093] ? lock_acquire+0x1d5/0x580 [ 31.499043] ? __lock_acquire+0x664/0x3e00 [ 31.503253] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 31.509117] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.514285] ? __lock_is_held+0xb6/0x140 [ 31.518331] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 31.524186] ? find_held_lock+0x35/0x1d0 [ 31.528235] ? __might_sleep+0x95/0x190 [ 31.532185] __alloc_pages_nodemask+0x9fb/0xd80 [ 31.536828] ? lock_release+0xa40/0xa40 [ 31.540777] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 31.545771] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 31.550677] ? print_irqtrace_events+0x270/0x270 [ 31.555410] ? __lock_is_held+0xb6/0x140 [ 31.559455] ? find_next_bit+0x27/0x30 [ 31.563329] pcpu_populate_chunk+0x1b3/0x880 [ 31.567723] pcpu_alloc+0x978/0x10e0 [ 31.571418] ? pcpu_free_area+0xa00/0xa00 [ 31.575542] ? vmap_page_range_noflush+0x523/0x720 [ 31.580458] ? map_vm_area+0x9e/0xd0 [ 31.584144] ? __vmalloc_node_range+0x37a/0x650 [ 31.588793] ? array_map_alloc+0x354/0x990 [ 31.593000] ? __vmalloc_node_flags_caller+0x50/0x60 [ 31.598078] __alloc_percpu_gfp+0x27/0x30 [ 31.602198] array_map_alloc+0x794/0x990 [ 31.606244] SyS_bpf+0x7f8/0x4400 [ 31.609671] ? bpf_prog_get+0x20/0x20 [ 31.613441] ? __lock_acquire+0x664/0x3e00 [ 31.617656] ? perf_event_fork+0x30/0x30 [ 31.621698] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.626855] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.632020] ? vma_wants_writenotify+0x51/0x3b0 [ 31.636667] ? vma_wants_writenotify+0x3b0/0x3b0 [ 31.641410] ? vma_link+0xe9/0x170 [ 31.644937] ? mmap_region+0x52e/0x15a0 [ 31.648892] ? find_held_lock+0x35/0x1d0 [ 31.652924] ? check_noncircular+0x20/0x20 [ 31.657135] ? __handle_mm_fault+0x80e/0x3ce0 [ 31.661603] ? check_noncircular+0x20/0x20 [ 31.665809] ? __pmd_alloc+0x4e0/0x4e0 [ 31.669679] ? find_held_lock+0x35/0x1d0 [ 31.673716] ? handle_mm_fault+0x248/0x8d0 [ 31.677924] ? find_held_lock+0x35/0x1d0 [ 31.681965] ? __do_page_fault+0x5f7/0xc90 [ 31.686169] ? lock_downgrade+0x980/0x980 [ 31.690296] ? handle_mm_fault+0x410/0x8d0 [ 31.694499] ? down_read_trylock+0xdb/0x170 [ 31.698790] ? __do_page_fault+0x32d/0xc90 [ 31.702998] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 31.707555] ? vmacache_find+0x5f/0x280 [ 31.711514] ? vmacache_update+0xfe/0x130 [ 31.715648] ? up_read+0x1a/0x40 [ 31.718995] ? do_fast_syscall_32+0x156/0xf9d [ 31.723466] ? bpf_prog_get+0x20/0x20 [ 31.727237] do_fast_syscall_32+0x3ee/0xf9d [ 31.731536] ? do_int80_syscall_32+0x9d0/0x9d0 [ 31.736098] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.740834] ? syscall_return_slowpath+0x2ad/0x550 [ 31.745740] ? prepare_exit_to_usermode+0x340/0x340 [ 31.750730] ? retint_user+0x18/0x18 [ 31.754424] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.759242] entry_SYSENTER_compat+0x54/0x63 [ 31.763619] RIP: 0023:0xf7f07c79 [ 31.766953] RSP: 002b:00000000ffd4758c EFLAGS: 00000286 ORIG_RAX: 0000000000000165 [ 31.774632] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000203dc000 [ 31.781878] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 31.789119] RBP: 00000000ffd475d8 R08: 0000000000000000 R09: 0000000000000000 [ 31.796364] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 31.803607] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 31.810916] Mem-Info: [ 31.813398] active_anon:6659 inactive_anon:63 isolated_anon:0 [ 31.813398] active_file:27 inactive_file:0 isolated_file:1 [ 31.813398] unevictable:0 dirty:0 writeback:0 unstable:0 [ 31.813398] slab_reclaimable:7270 slab_unreclaimable:83424 [ 31.813398] mapped:3 shmem:70 pagetables:309 bounce:0 [ 31.813398] free:24232 free_pcp:93 free_cma:0 [ 31.846133] Node 0 active_anon:26620kB inactive_anon:252kB active_file:56kB inactive_file:156kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 31.873163] 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 [ 31.899304] lowmem_reserve[]: 0 2870 6381 6381 [ 31.903912] Node 0 DMA32 free:44080kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 31.931172] lowmem_reserve[]: 0 0 3510 3510 [ 31.935518] Node 0 Normal free:36992kB min:37084kB low:46352kB high:55620kB active_anon:26588kB inactive_anon:248kB active_file:100kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3072kB pagetables:1276kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 31.964177] lowmem_reserve[]: 0 0 0 0 [ 31.968028] 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 [ 31.982160] Node 0 DMA32: 6*4kB (M) 5*8kB (UM) 7*16kB (UM) 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44080kB [ 31.997549] Node 0 Normal: 505*4kB (UME) 431*8kB (UME) 293*16kB (UME) 235*32kB (UME) 104*64kB (UM) 28*128kB (UM) 32*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37132kB [ 32.013477] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 32.022063] 101 total pagecache pages [ 32.025853] 0 pages in swap cache [ 32.029300] Swap cache stats: add 0, delete 0, find 0/0 [ 32.034653] Free swap = 0kB [ 32.037660] Total swap = 0kB [ 32.040666] 1965979 pages RAM [ 32.043758] 0 pages HighMem/MovableOnly [ 32.047715] 327760 pages reserved [ 32.051154] Unreclaimable slab info: [ 32.054856] Name Used Total [ 32.060393] hashtab_node 118KB 119KB [ 32.065748] ebitmap_node 382KB 385KB [ 32.071102] avtab_node 1012KB 1013KB [ 32.076460] TIPC 1KB 7KB [ 32.081817] SCTPv6 2KB 4KB [ 32.087171] DCCPv6 2KB 7KB [ 32.092523] DCCP 2KB 6KB [ 32.097944] fib6_nodes 0KB 4KB [ 32.103313] ip6_dst_cache 6KB 11KB [ 32.108679] RAWv6 9KB 19KB [ 32.114435] UDPv6 12KB 14KB [ 32.119790] TCPv6 2KB 5KB [ 32.125162] sd_ext_cdb 0KB 3KB [ 32.130512] scsi_sense_cache 72KB 124KB [ 32.135867] virtio_scsi_cmd 16KB 16KB [ 32.141232] sgpool-128 8KB 8KB [ 32.146584] sgpool-64 4KB 6KB [ 32.151933] sgpool-32 63KB 63KB [ 32.157289] sgpool-16 24KB 26KB [ 32.162638] sgpool-8 153KB 153KB [ 32.168006] cfq_io_cq 17KB 19KB [ 32.173372] cfq_queue 27KB 27KB [ 32.178748] mqueue_inode_cache 1KB 7KB [ 32.184216] nfs_commit_data 3KB 7KB [ 32.189592] nfs_write_data 34KB 37KB [ 32.194968] jbd2_inode 1KB 3KB [ 32.200344] ext4_system_zone 0KB 3KB [ 32.205735] bio-1 1KB 3KB [ 32.211121] rpc_buffers 17KB 19KB [ 32.216496] rpc_tasks 2KB 3KB [ 32.221876] UNIX 780KB 780KB [ 32.227259] tcp_bind_bucket 0KB 4KB [ 32.232637] ip_fib_trie 0KB 3KB [ 32.238035] ip_fib_alias 0KB 3KB [ 32.243414] ip_dst_cache 4KB 7KB [ 32.249577] RAW 5KB 7KB [ 32.254957] UDP 29KB 31KB [ 32.260335] TCP 7KB 15KB [ 32.265713] hugetlbfs_inode_cache 1KB 7KB [ 32.271436] eventpoll_pwq 9KB 11KB [ 32.276810] eventpoll_epi 18KB 23KB [ 32.282183] inotify_inode_mark 3KB 7KB [ 32.287657] request_queue 53KB 135KB [ 32.293046] blkdev_ioc 23KB 23KB [ 32.298423] bio-0 266KB 266KB [ 32.303796] biovec-(1<<(21-12)) 462KB 462KB [ 32.309348] biovec-64 102KB 102KB [ 32.314723] biovec-16 10KB 15KB [ 32.320101] bio_integrity_payload 0KB 4KB [ 32.325822] khugepaged_mm_slot 0KB 3KB [ 32.331290] uid_cache 0KB 3KB [ 32.336666] dmaengine-unmap-2 0KB 3KB [ 32.342039] audit_buffer 0KB 3KB [ 32.347416] skbuff_fclone_cache 136KB 138KB [ 32.352963] skbuff_head_cache 1889KB 1890KB [ 32.358336] configfs_dir_cache 0KB 4KB [ 32.363797] file_lock_cache 164KB 166KB [ 32.369175] file_lock_ctx 1KB 3KB [ 32.374551] fsnotify_mark_connector 2KB 3KB [ 32.381239] shmem_inode_cache 1053KB 1054KB [ 32.386617] task_delay_info 323KB 332KB [ 32.391997] sigqueue 365KB 370KB [ 32.397373] kernfs_node_cache 2289KB 2295KB [ 32.402746] mnt_cache 15KB 20KB [ 32.408120] filp 8468KB 8868KB [ 32.413494] names_cache 111532KB 111571KB [ 32.418893] avc_node 37KB 39KB [ 32.424268] selinux_file_security 433KB 488KB [ 32.429991] selinux_inode_security 1944KB 1948KB [ 32.435805] key_jar 3KB 7KB [ 32.441182] nsproxy 0KB 3KB [ 32.446560] vm_area_struct 18603KB 18608KB [ 32.451935] mm_struct 4509KB 4515KB [ 32.457313] fs_cache 424KB 424KB [ 32.462691] files_cache 1589KB 1593KB [ 32.468069] signal_cache 2534KB 2537KB [ 32.473442] sighand_cache 217KB 333KB [ 32.478815] task_struct 10804KB 10804KB [ 32.484215] cred_jar 2349KB 2352KB [ 32.490933] anon_vma_chain 7795KB 7800KB [ 32.499051] anon_vma 166KB 346KB [ 32.509956] pid 220KB 244KB [ 32.522639] Acpi-Operand 106KB 170KB [ 32.528039] Acpi-Parse 0KB 3KB [ 32.533414] Acpi-State 0KB 7KB [ 32.538809] Acpi-Namespace 19KB 23KB [ 32.544184] numa_policy 0KB 3KB [ 32.549582] debug_objects_cache 469KB 469KB [ 32.561152] trace_event_file 144KB 147KB [ 32.572637] ftrace_event_field 254KB 255KB [ 32.578102] pool_workqueue 24KB 24KB [ 32.589111] page->ptl 3073KB 3075KB [ 32.599102] kmalloc-262144 1032KB 1032KB [ 32.605513] kmalloc-131072 650KB 650KB [ 32.614975] kmalloc-65536 264KB 264KB [ 32.626991] kmalloc-32768 825KB 825KB [ 32.632373] kmalloc-16384 181KB 181KB [ 32.638076] kmalloc-8192 470KB 470KB [ 32.648907] kmalloc-4096 7152KB 7191KB [ 32.655655] kmalloc-2048 3232KB 3232KB [ 32.661689] kmalloc-1024 3512KB 3512KB [ 32.667767] kmalloc-512 2757KB 2760KB [ 32.673813] kmalloc-256 2011KB 2505KB [ 32.683261] kmalloc-128 408KB 515KB [ 32.694673] kmalloc-96 2052KB 2052KB [ 32.700064] kmalloc-64 2464KB 2464KB [ 32.705440] kmalloc-32 2405KB 2405KB [ 32.710815] kmalloc-192 908KB 908KB [ 32.716198] kmem_cache 101KB 105KB [ 32.721572] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 32.730186] [ 1815] 0 1815 5366 167 90112 0 -1000 udevd [ 32.738379] [ 3337] 0 3337 2493 573 61440 0 0 dhclient [ 32.746807] [ 3494] 0 3494 14298 173 118784 0 0 rsyslogd [ 32.755235] [ 3540] 0 3540 4725 50 77824 0 0 cron [ 32.763312] [ 3567] 0 3567 3736 45 69632 0 0 mcstransd [ 32.771846] [ 3595] 0 3595 12490 153 143360 0 -1000 sshd [ 32.779938] [ 3619] 0 3619 3694 39 73728 0 0 getty [ 32.788101] [ 3620] 0 3620 3694 41 77824 0 0 getty [ 32.796263] [ 3621] 0 3621 3694 40 77824 0 0 getty [ 32.804423] [ 3622] 0 3622 3694 40 77824 0 0 getty [ 32.812587] [ 3623] 0 3623 3694 41 73728 0 0 getty [ 32.820756] [ 3624] 0 3624 3694 41 73728 0 0 getty [ 32.828919] [ 3625] 0 3625 3649 38 73728 0 0 getty [ 32.837083] [ 3629] 0 3629 5662 455 90112 0 -1000 udevd [ 32.845248] [ 3630] 0 3630 5662 455 90112 0 -1000 udevd [ 32.853410] [ 3646] 0 3646 17821 196 180224 0 0 sshd [ 32.861485] [ 3648] 0 3648 237 1 28672 0 0 syzkaller182529 [ 32.870518] [ 3649] 0 3649 4000 521 32768 0 0 syzkaller182529 [ 32.879553] [ 3650] 0 3650 4000 521 32768 0 0 syzkaller182529 [ 32.888588] [ 3651] 0 3651 4000 521 32768 0 0 syzkaller182529 [ 32.897618] [ 3652] 0 3652 4000 521 32768 0 0 syzkaller182529 [ 32.906651] [ 3653] 0 3653 4000 521 32768 0 0 syzkaller182529 [ 32.915681] [ 3654] 0 3654 4000 521 32768 0 0 syzkaller182529 [ 32.924713] [ 3655] 0 3655 4000 521 32768 0 0 syzkaller182529 [ 32.933748] [ 3656] 0 3656 4000 521 32768 0 0 syzkaller182529 [ 32.942781] Out of memory: Kill process 3337 (dhclient) score 0 or sacrifice child [ 32.951357] Killed process 3337 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 32.972595] syzkaller182529 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 32.987643] syzkaller182529 cpuset=/ mems_allowed=0 [ 32.992747] CPU: 1 PID: 3656 Comm: syzkaller182529 Not tainted 4.15.0-rc8+ #179 [ 33.000178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.009511] Call Trace: [ 33.012077] dump_stack+0x194/0x257 [ 33.015681] ? arch_local_irq_restore+0x53/0x53 [ 33.020326] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.025494] dump_header+0x28c/0xe1e [ 33.029184] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.034350] ? print_irqtrace_events+0x270/0x270 [ 33.039101] ? pagefault_out_of_memory+0x152/0x152 [ 33.044020] ? check_noncircular+0x20/0x20 [ 33.048248] ? print_irqtrace_events+0x270/0x270 [ 33.053000] ? __lock_acquire+0x664/0x3e00 [ 33.057217] ? check_noncircular+0x20/0x20 [ 33.061439] ? find_held_lock+0x35/0x1d0 [ 33.065476] ? check_noncircular+0x20/0x20 [ 33.069683] ? task_will_free_mem+0x252/0xaa0 [ 33.074156] ? print_irqtrace_events+0x270/0x270 [ 33.078891] ? ___ratelimit+0x30d/0x630 [ 33.082837] ? lock_downgrade+0x980/0x980 [ 33.086957] ? lock_release+0xa40/0xa40 [ 33.090905] ? mark_held_locks+0xaf/0x100 [ 33.095034] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 33.100115] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.105103] ? trace_hardirqs_on+0xd/0x10 [ 33.109224] ? ___ratelimit+0x95/0x630 [ 33.113081] ? idr_get_free_cmn+0xfd0/0xfd0 [ 33.117376] ? check_noncircular+0x20/0x20 [ 33.121580] ? find_held_lock+0x138/0x1d0 [ 33.125707] oom_kill_process+0x8b5/0x14a0 [ 33.129916] ? has_ns_capability_noaudit+0x163/0x2a0 [ 33.134992] ? lock_downgrade+0x980/0x980 [ 33.139116] ? oom_evaluate_task+0x480/0x480 [ 33.143505] ? security_capable_noaudit+0x8b/0xc0 [ 33.148321] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 33.153403] ? has_capability+0x30/0x30 [ 33.157353] ? do_raw_spin_trylock+0x190/0x190 [ 33.161909] ? check_noncircular+0x20/0x20 [ 33.166120] ? has_capability_noaudit+0x24/0x30 [ 33.170759] ? oom_badness+0xd1/0x980 [ 33.174529] ? lock_release+0xa40/0xa40 [ 33.178472] ? do_try_to_free_pages+0xc53/0x1020 [ 33.183203] ? find_lock_task_mm+0x460/0x460 [ 33.187591] ? find_held_lock+0x35/0x1d0 [ 33.191632] ? out_of_memory+0xb3a/0x1220 [ 33.195753] ? lock_downgrade+0x980/0x980 [ 33.199878] ? lock_release+0xa40/0xa40 [ 33.203826] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 33.208733] ? oom_evaluate_task+0x284/0x480 [ 33.213118] out_of_memory+0x86d/0x1220 [ 33.217070] ? oom_killer_disable+0x310/0x310 [ 33.221539] ? mutex_trylock+0x23a/0x2d0 [ 33.225571] ? __lock_is_held+0xb6/0x140 [ 33.229602] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 33.235043] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 33.239888] ? warn_alloc+0x2b0/0x2b0 [ 33.243658] ? check_noncircular+0x20/0x20 [ 33.247871] ? check_preempt_wakeup+0x426/0xb20 [ 33.252517] ? print_irqtrace_events+0x270/0x270 [ 33.257245] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.262417] ? lock_acquire+0x1d5/0x580 [ 33.266362] ? lock_acquire+0x1d5/0x580 [ 33.270311] ? __lock_acquire+0x664/0x3e00 [ 33.274530] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 33.280400] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.285568] ? __lock_is_held+0xb6/0x140 [ 33.289612] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 33.295475] ? __might_sleep+0x95/0x190 [ 33.299432] __alloc_pages_nodemask+0x9fb/0xd80 [ 33.304075] ? lock_release+0xa40/0xa40 [ 33.308032] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 33.313035] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 33.317945] ? print_irqtrace_events+0x270/0x270 [ 33.322678] ? __lock_is_held+0xb6/0x140 [ 33.326719] ? find_next_bit+0x27/0x30 [ 33.330583] pcpu_populate_chunk+0x1b3/0x880 [ 33.334975] pcpu_alloc+0x978/0x10e0 [ 33.338669] ? pcpu_free_area+0xa00/0xa00 [ 33.342796] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 33.347265] ? vmap_page_range_noflush+0x523/0x720 [ 33.352180] ? retint_kernel+0x10/0x10 [ 33.356043] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.361037] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.365786] ? retint_kernel+0x10/0x10 [ 33.369655] __alloc_percpu_gfp+0x27/0x30 [ 33.373781] array_map_alloc+0x794/0x990 [ 33.377823] SyS_bpf+0x7f8/0x4400 [ 33.381254] ? bpf_prog_get+0x20/0x20 [ 33.385031] ? __lock_acquire+0x664/0x3e00 [ 33.389244] ? perf_event_fork+0x30/0x30 [ 33.393284] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.398448] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.403618] ? vma_wants_writenotify+0x51/0x3b0 [ 33.408264] ? vma_wants_writenotify+0x3b0/0x3b0 [ 33.412994] ? vma_link+0xe9/0x170 [ 33.416524] ? mmap_region+0x52e/0x15a0 [ 33.420485] ? find_held_lock+0x35/0x1d0 [ 33.424527] ? check_noncircular+0x20/0x20 [ 33.428741] ? __handle_mm_fault+0x80e/0x3ce0 [ 33.433211] ? check_noncircular+0x20/0x20 [ 33.437415] ? __pmd_alloc+0x4e0/0x4e0 [ 33.441288] ? find_held_lock+0x35/0x1d0 [ 33.445327] ? handle_mm_fault+0x248/0x8d0 [ 33.449540] ? find_held_lock+0x35/0x1d0 [ 33.453583] ? __do_page_fault+0x5f7/0xc90 [ 33.457792] ? lock_downgrade+0x980/0x980 [ 33.461918] ? handle_mm_fault+0x410/0x8d0 [ 33.466126] ? down_read_trylock+0xdb/0x170 [ 33.470416] ? __do_page_fault+0x32d/0xc90 [ 33.474633] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 33.479187] ? vmacache_find+0x5f/0x280 [ 33.483133] ? vmacache_update+0xfe/0x130 [ 33.487265] ? up_read+0x1a/0x40 [ 33.490618] ? do_fast_syscall_32+0x156/0xf9d [ 33.495090] ? bpf_prog_get+0x20/0x20 [ 33.498862] do_fast_syscall_32+0x3ee/0xf9d [ 33.503164] ? do_int80_syscall_32+0x9d0/0x9d0 [ 33.507719] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.512450] ? syscall_return_slowpath+0x2ad/0x550 [ 33.517351] ? prepare_exit_to_usermode+0x340/0x340 [ 33.522341] ? retint_user+0x18/0x18 [ 33.526038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.530860] entry_SYSENTER_compat+0x54/0x63 [ 33.535240] RIP: 0023:0xf7f07c79 [ 33.538574] RSP: 002b:00000000ffd4758c EFLAGS: 00000286 ORIG_RAX: 0000000000000165 [ 33.546262] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000203dc000 [ 33.553506] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 33.560747] RBP: 00000000ffd475d8 R08: 0000000000000000 R09: 0000000000000000 [ 33.567988] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 33.575231] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 33.582672] Mem-Info: [ 33.586225] active_anon:6105 inactive_anon:63 isolated_anon:0 [ 33.586225] active_file:10 inactive_file:43 isolated_file:0 [ 33.586225] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.586225] slab_reclaimable:7272 slab_unreclaimable:83417 [ 33.586225] mapped:4 shmem:70 pagetables:319 bounce:0 [ 33.586225] free:24379 free_pcp:61 free_cma:0 [ 33.619890] Node 0 active_anon:24420kB inactive_anon:252kB active_file:16kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 33.647038] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 33.673177] lowmem_reserve[]: 0 2870 6381 6381 [ 33.677790] Node 0 DMA32 free:44080kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 33.705060] lowmem_reserve[]: 0 0 3510 3510 [ 33.709405] Node 0 Normal free:37016kB min:37084kB low:46352kB high:55620kB active_anon:24388kB inactive_anon:248kB active_file:32kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3072kB pagetables:1276kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 33.738583] lowmem_reserve[]: 0 0 0 0 [ 33.742432] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 33.756077] Node 0 DMA32: 6*4kB (M) 5*8kB (UM) 7*16kB (UM) 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44080kB [ 33.771772] Node 0 Normal: 442*4kB (UME) 407*8kB (UME) 290*16kB (UME) 223*32kB (UME) 103*64kB (ME) 39*128kB (ME) 32*256kB (UME) 2*512kB (ME) 0*1024kB 0*2048kB 0*4096kB = 37600kB [ 33.787860] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 33.796467] 133 total pagecache pages [ 33.800293] 0 pages in swap cache [ 33.803752] Swap cache stats: add 0, delete 0, find 0/0 [ 33.809101] Free swap = 0kB [ 33.812104] Total swap = 0kB [ 33.815109] 1965979 pages RAM [ 33.818197] 0 pages HighMem/MovableOnly [ 33.822157] 327760 pages reserved [ 33.825604] Unreclaimable slab info: [ 33.829303] Name Used Total [ 33.834828] hashtab_node 118KB 119KB [ 33.840181] ebitmap_node 382KB 385KB [ 33.845535] avtab_node 1012KB 1013KB [ 33.850888] TIPC 1KB 7KB [ 33.856240] SCTPv6 2KB 4KB [ 33.861595] DCCPv6 2KB 7KB [ 33.866952] DCCP 2KB 6KB [ 33.873138] fib6_nodes 0KB 4KB [ 33.878545] ip6_dst_cache 6KB 11KB [ 33.883931] RAWv6 9KB 19KB [ 33.889333] UDPv6 12KB 14KB [ 33.894743] TCPv6 2KB 5KB [ 33.900122] sd_ext_cdb 0KB 3KB [ 33.905474] scsi_sense_cache 79KB 124KB [ 33.910826] virtio_scsi_cmd 16KB 16KB [ 33.916179] sgpool-128 8KB 8KB [ 33.921533] sgpool-64 4KB 6KB [ 33.926886] sgpool-32 94KB 94KB [ 33.932242] sgpool-16 26KB 26KB [ 33.937595] sgpool-8 165KB 165KB [ 33.942951] cfq_io_cq 16KB 19KB [ 33.948304] cfq_queue 25KB 27KB [ 33.953659] mqueue_inode_cache 1KB 7KB [ 33.959100] nfs_commit_data 3KB 7KB [ 33.964456] nfs_write_data 34KB 37KB [ 33.969809] jbd2_inode 1KB 3KB [ 33.975160] ext4_system_zone 0KB 3KB [ 33.980518] bio-1 1KB 3KB [ 33.985877] rpc_buffers 17KB 19KB [ 33.991321] rpc_tasks 2KB 3KB [ 33.996683] UNIX 780KB 780KB [ 34.002476] tcp_bind_bucket 0KB 4KB [ 34.007857] ip_fib_trie 0KB 3KB [ 34.013221] ip_fib_alias 0KB 3KB [ 34.018608] ip_dst_cache 4KB 7KB [ 34.023999] RAW 5KB 7KB [ 34.029405] UDP 29KB 31KB [ 34.034794] TCP 7KB 15KB [ 34.040166] hugetlbfs_inode_cache 1KB 7KB [ 34.045869] eventpoll_pwq 9KB 11KB [ 34.051231] eventpoll_epi 18KB 23KB [ 34.056589] inotify_inode_mark 3KB 7KB [ 34.062044] request_queue 42KB 113KB [ 34.067407] blkdev_ioc 22KB 23KB [ 34.072764] bio-0 292KB 292KB [ 34.078123] biovec-(1<<(21-12)) 462KB 462KB [ 34.083651] biovec-64 141KB 141KB [ 34.089007] biovec-16 18KB 18KB [ 34.094392] bio_integrity_payload 0KB 4KB [ 34.100093] khugepaged_mm_slot 0KB 3KB [ 34.105536] uid_cache 0KB 3KB [ 34.110898] dmaengine-unmap-2 0KB 3KB [ 34.116253] audit_buffer 0KB 3KB [ 34.121614] skbuff_fclone_cache 136KB 138KB [ 34.127169] skbuff_head_cache 1890KB 1890KB [ 34.132549] configfs_dir_cache 0KB 4KB [ 34.138794] file_lock_cache 164KB 166KB [ 34.144213] file_lock_ctx 1KB 3KB [ 34.149601] fsnotify_mark_connector 2KB 3KB [ 34.155510] shmem_inode_cache 1053KB 1054KB [ 34.160892] task_delay_info 318KB 332KB [ 34.166279] sigqueue 370KB 370KB [ 34.171645] kernfs_node_cache 2289KB 2295KB [ 34.176997] mnt_cache 15KB 20KB [ 34.182360] filp 8426KB 8853KB [ 34.187720] names_cache 111524KB 111554KB [ 34.193074] avc_node 37KB 39KB [ 34.198426] selinux_file_security 429KB 488KB [ 34.204124] selinux_inode_security 1944KB 1948KB [ 34.209911] key_jar 3KB 7KB [ 34.215263] nsproxy 0KB 3KB [ 34.220613] vm_area_struct 18599KB 18605KB [ 34.225967] mm_struct 4509KB 4515KB [ 34.231319] fs_cache 423KB 424KB [ 34.236670] files_cache 1589KB 1593KB [ 34.242030] signal_cache 2531KB 2537KB [ 34.247390] sighand_cache 217KB 333KB [ 34.252739] task_struct 10804KB 10804KB [ 34.258096] cred_jar 2348KB 2352KB [ 34.263461] anon_vma_chain 7793KB 7800KB [ 34.268906] anon_vma 146KB 338KB [ 34.275074] pid 220KB 244KB [ 34.280467] Acpi-Operand 106KB 170KB [ 34.285855] Acpi-State 0KB 3KB [ 34.291236] Acpi-Namespace 19KB 23KB [ 34.296618] numa_policy 0KB 3KB [ 34.301991] debug_objects_cache 469KB 469KB [ 34.307544] trace_event_file 144KB 147KB [ 34.312909] ftrace_event_field 254KB 255KB [ 34.318365] pool_workqueue 24KB 24KB [ 34.323749] page->ptl 3072KB 3075KB [ 34.329126] kmalloc-262144 1032KB 1032KB [ 34.334496] kmalloc-131072 650KB 650KB [ 34.339870] kmalloc-65536 264KB 264KB [ 34.345234] kmalloc-32768 825KB 825KB [ 34.350604] kmalloc-16384 181KB 181KB [ 34.355977] kmalloc-8192 470KB 470KB [ 34.361341] kmalloc-4096 7144KB 7174KB [ 34.366717] kmalloc-2048 3232KB 3232KB [ 34.372098] kmalloc-1024 3661KB 3661KB [ 34.377465] kmalloc-512 2759KB 2760KB [ 34.382834] kmalloc-256 1991KB 2490KB [ 34.388218] kmalloc-128 408KB 515KB [ 34.393582] kmalloc-96 2056KB 2056KB [ 34.398951] kmalloc-64 2464KB 2464KB [ 34.404325] kmalloc-32 2405KB 2405KB [ 34.410491] kmalloc-192 908KB 908KB [ 34.415877] kmem_cache 101KB 105KB [ 34.421251] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 34.429867] [ 1815] 0 1815 5366 168 90112 0 -1000 udevd [ 34.438050] [ 3494] 0 3494 14298 188 118784 0 0 rsyslogd [ 34.446487] [ 3540] 0 3540 4725 50 77824 0 0 cron [ 34.454564] [ 3567] 0 3567 3736 45 69632 0 0 mcstransd [ 34.463065] [ 3595] 0 3595 12490 153 143360 0 -1000 sshd [ 34.471134] [ 3619] 0 3619 3694 39 73728 0 0 getty [ 34.479278] [ 3620] 0 3620 3694 41 77824 0 0 getty [ 34.487430] [ 3621] 0 3621 3694 40 77824 0 0 getty [ 34.495574] [ 3622] 0 3622 3694 40 77824 0 0 getty [ 34.503731] [ 3623] 0 3623 3694 41 73728 0 0 getty [ 34.511874] [ 3624] 0 3624 3694 41 73728 0 0 getty [ 34.520052] [ 3625] 0 3625 3649 38 73728 0 0 getty [ 34.528199] [ 3629] 0 3629 5662 455 90112 0 -1000 udevd [ 34.536358] [ 3630] 0 3630 5662 455 90112 0 -1000 udevd [ 34.544544] [ 3646] 0 3646 17821 196 180224 0 0 sshd [ 34.552603] [ 3648] 0 3648 237 1 28672 0 0 syzkaller182529 [ 34.561624] [ 3649] 0 3649 4000 521 32768 0 0 syzkaller182529 [ 34.570655] [ 3650] 0 3650 4000 521 32768 0 0 syzkaller182529 [ 34.579677] [ 3651] 0 3651 4000 521 32768 0 0 syzkaller182529 [ 34.588708] [ 3652] 0 3652 4000 521 32768 0 0 syzkaller182529 [ 34.597752] [ 3653] 0 3653 4000 521 32768 0 0 syzkaller182529 [ 34.606774] [ 3654] 0 3654 4000 521 32768 0 0 syzkaller182529 [ 34.615795] [ 3655] 0 3655 4000 521 32768 0 0 syzkaller182529 [ 34.624825] [ 3656] 0 3656 4000 521 32768 0 0 syzkaller182529 [ 34.633833] Out of memory: Kill process 3649 (syzkaller182529) score 0 or sacrifice child [ 34.642970] Killed process 3649 (syzkaller182529) total-vm:16000kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 34.655906] oom_reaper: reaped process 3649 (syzkaller182529), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 34.670383] syzkaller182529 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 34.682719] syzkaller182529 cpuset=/ mems_allowed=0 [ 34.687742] CPU: 1 PID: 3653 Comm: syzkaller182529 Not tainted 4.15.0-rc8+ #179 [ 34.695158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.704483] Call Trace: [ 34.707046] dump_stack+0x194/0x257 [ 34.710646] ? arch_local_irq_restore+0x53/0x53 [ 34.715290] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.720457] dump_header+0x28c/0xe1e [ 34.724145] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.729307] ? print_irqtrace_events+0x270/0x270 [ 34.734038] ? pagefault_out_of_memory+0x152/0x152 [ 34.738935] ? check_noncircular+0x20/0x20 [ 34.743141] ? print_irqtrace_events+0x270/0x270 [ 34.747872] ? __lock_acquire+0x664/0x3e00 [ 34.752080] ? check_noncircular+0x20/0x20 [ 34.756289] ? find_held_lock+0x35/0x1d0 [ 34.760325] ? check_noncircular+0x20/0x20 [ 34.764528] ? task_will_free_mem+0x252/0xaa0 [ 34.768998] ? print_irqtrace_events+0x270/0x270 [ 34.773738] ? ___ratelimit+0x30d/0x630 [ 34.777682] ? lock_downgrade+0x980/0x980 [ 34.781802] ? lock_release+0xa40/0xa40 [ 34.785749] ? mark_held_locks+0xaf/0x100 [ 34.789868] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 34.794942] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.799927] ? trace_hardirqs_on+0xd/0x10 [ 34.804049] ? ___ratelimit+0x95/0x630 [ 34.807908] ? idr_get_free_cmn+0xfd0/0xfd0 [ 34.812203] ? check_noncircular+0x20/0x20 [ 34.816407] ? find_held_lock+0x138/0x1d0 [ 34.820533] oom_kill_process+0x8b5/0x14a0 [ 34.824745] ? has_ns_capability_noaudit+0x163/0x2a0 [ 34.829820] ? lock_downgrade+0x980/0x980 [ 34.833949] ? oom_evaluate_task+0x480/0x480 [ 34.838338] ? security_capable_noaudit+0x8b/0xc0 [ 34.843154] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 34.848230] ? has_capability+0x30/0x30 [ 34.852176] ? do_raw_spin_trylock+0x190/0x190 [ 34.856728] ? check_noncircular+0x20/0x20 [ 34.860938] ? has_capability_noaudit+0x24/0x30 [ 34.865581] ? oom_badness+0xd1/0x980 [ 34.869352] ? lock_release+0xa40/0xa40 [ 34.873299] ? do_try_to_free_pages+0xc53/0x1020 [ 34.878034] ? find_lock_task_mm+0x460/0x460 [ 34.882420] ? find_held_lock+0x35/0x1d0 [ 34.886458] ? out_of_memory+0xb3a/0x1220 [ 34.890580] ? lock_downgrade+0x980/0x980 [ 34.894701] ? lock_release+0xa40/0xa40 [ 34.898650] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 34.903557] ? oom_evaluate_task+0x284/0x480 [ 34.907940] out_of_memory+0x86d/0x1220 [ 34.911893] ? oom_killer_disable+0x310/0x310 [ 34.916360] ? mutex_trylock+0x23a/0x2d0 [ 34.920393] ? __lock_is_held+0xb6/0x140 [ 34.924425] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 34.929858] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 34.934698] ? warn_alloc+0x2b0/0x2b0 [ 34.938471] ? lock_release+0xa40/0xa40 [ 34.942419] ? print_irqtrace_events+0x270/0x270 [ 34.947151] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.952321] ? mutex_spin_on_owner+0x446/0xb50 [ 34.956883] ? __lock_acquire+0x664/0x3e00 [ 34.961091] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 34.966959] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.972128] ? __lock_is_held+0xb6/0x140 [ 34.976174] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 34.982041] ? __might_sleep+0x95/0x190 [ 34.986404] __alloc_pages_nodemask+0x9fb/0xd80 [ 34.991046] ? lock_release+0xa40/0xa40 [ 34.994997] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 34.999999] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 35.004910] ? print_irqtrace_events+0x270/0x270 [ 35.009646] ? __lock_is_held+0xb6/0x140 [ 35.013686] ? find_next_bit+0x27/0x30 [ 35.017548] pcpu_populate_chunk+0x1b3/0x880 [ 35.021937] pcpu_alloc+0x978/0x10e0 [ 35.025637] ? pcpu_free_area+0xa00/0xa00 [ 35.029760] ? vmap_page_range_noflush+0x523/0x720 [ 35.034677] ? map_vm_area+0x9e/0xd0 [ 35.038364] ? __vmalloc_node_range+0x37a/0x650 [ 35.043016] ? array_map_alloc+0x354/0x990 [ 35.047226] ? __vmalloc_node_flags_caller+0x50/0x60 [ 35.052307] __alloc_percpu_gfp+0x27/0x30 [ 35.056433] array_map_alloc+0x794/0x990 [ 35.060475] SyS_bpf+0x7f8/0x4400 [ 35.063906] ? bpf_prog_get+0x20/0x20 [ 35.067683] ? __lock_acquire+0x664/0x3e00 [ 35.071902] ? perf_event_fork+0x30/0x30 [ 35.075939] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.081098] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.086264] ? vma_wants_writenotify+0x51/0x3b0 [ 35.090909] ? vma_wants_writenotify+0x3b0/0x3b0 [ 35.095642] ? vma_link+0xe9/0x170 [ 35.099158] ? mmap_region+0x52e/0x15a0 [ 35.103109] ? find_held_lock+0x35/0x1d0 [ 35.107142] ? check_noncircular+0x20/0x20 [ 35.111363] ? __handle_mm_fault+0x80e/0x3ce0 [ 35.115834] ? check_noncircular+0x20/0x20 [ 35.120041] ? __pmd_alloc+0x4e0/0x4e0 [ 35.123907] ? find_held_lock+0x35/0x1d0 [ 35.127965] ? handle_mm_fault+0x248/0x8d0 [ 35.132172] ? find_held_lock+0x35/0x1d0 [ 35.136213] ? __do_page_fault+0x5f7/0xc90 [ 35.140420] ? lock_downgrade+0x980/0x980 [ 35.144545] ? handle_mm_fault+0x410/0x8d0 [ 35.148750] ? down_read_trylock+0xdb/0x170 [ 35.153051] ? __do_page_fault+0x32d/0xc90 [ 35.157257] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 35.161808] ? vmacache_find+0x5f/0x280 [ 35.165753] ? vmacache_update+0xfe/0x130 [ 35.169881] ? up_read+0x1a/0x40 [ 35.173231] ? do_fast_syscall_32+0x156/0xf9d [ 35.177698] ? bpf_prog_get+0x20/0x20 [ 35.181469] do_fast_syscall_32+0x3ee/0xf9d [ 35.185771] ? do_int80_syscall_32+0x9d0/0x9d0 [ 35.190325] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.195060] ? syscall_return_slowpath+0x2ad/0x550 [ 35.199972] ? prepare_exit_to_usermode+0x340/0x340 [ 35.204963] ? retint_user+0x18/0x18 [ 35.208654] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.213488] entry_SYSENTER_compat+0x54/0x63 [ 35.217869] RIP: 0023:0xf7f07c79 [ 35.221203] RSP: 002b:00000000ffd4758c EFLAGS: 00000286 ORIG_RAX: 0000000000000165 [ 35.228882] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000203dc000 [ 35.236129] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 35.243369] RBP: 00000000ffd475d8 R08: 0000000000000000 R09: 0000000000000000 [ 35.250613] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 35.257858] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 35.265445] Mem-Info: [ 35.268693] active_anon:5565 inactive_anon:63 isolated_anon:0 [ 35.268693] active_file:22 inactive_file:0 isolated_file:0 [ 35.268693] unevictable:0 dirty:0 writeback:0 unstable:0 [ 35.268693] slab_reclaimable:7285 slab_unreclaimable:83492 [ 35.268693] mapped:18 shmem:70 pagetables:309 bounce:0 [ 35.268693] free:24199 free_pcp:65 free_cma:0 [ 35.300865] Node 0 active_anon:22260kB inactive_anon:252kB active_file:88kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 35.327777] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.353928] lowmem_reserve[]: 0 2870 6381 6381 [ 35.358543] Node 0 DMA32 free:44080kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.385806] lowmem_reserve[]: 0 0 3510 3510 [ 35.390164] Node 0 Normal free:36808kB min:37084kB low:46352kB high:55620kB active_anon:22228kB inactive_anon:248kB active_file:88kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3040kB pagetables:1236kB bounce:0kB free_pcp:60kB local_pcp:60kB free_cma:0kB [ 35.418739] lowmem_reserve[]: 0 0 0 0 [ 35.422570] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 35.436162] Node 0 DMA32: 6*4kB (M) 5*8kB (UM) 7*16kB (UM) 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44080kB [ 35.451556] Node 0 Normal: 444*4kB (UME) 392*8kB (UME) 285*16kB (UME) 219*32kB (UME) 104*64kB (UM) 39*128kB (UM) 31*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37088kB [ 35.467546] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 35.476139] 119 total pagecache pages [ 35.479956] 0 pages in swap cache [ 35.483448] Swap cache stats: add 0, delete 0, find 0/0 [ 35.490205] Free swap = 0kB [ 35.493230] Total swap = 0kB [ 35.496238] 1965979 pages RAM [ 35.499336] 0 pages HighMem/MovableOnly [ 35.503297] 327760 pages reserved [ 35.506740] Unreclaimable slab info: [ 35.510440] Name Used Total [ 35.515966] hashtab_node 118KB 119KB [ 35.521322] ebitmap_node 382KB 385KB [ 35.526676] avtab_node 1012KB 1013KB [ 35.532033] TIPC 1KB 7KB [ 35.537389] SCTPv6 2KB 4KB [ 35.542743] DCCPv6 2KB 7KB [ 35.548103] DCCP 2KB 6KB [ 35.553466] fib6_nodes 0KB 4KB [ 35.558818] ip6_dst_cache 6KB 11KB [ 35.564168] RAWv6 9KB 19KB [ 35.569518] UDPv6 12KB 14KB [ 35.574868] TCPv6 2KB 5KB [ 35.580235] sd_ext_cdb 0KB 3KB [ 35.585587] scsi_sense_cache 94KB 124KB [ 35.590939] virtio_scsi_cmd 16KB 16KB [ 35.596293] sgpool-128 8KB 8KB [ 35.601697] sgpool-64 4KB 6KB [ 35.607061] sgpool-32 141KB 141KB [ 35.612419] sgpool-16 33KB 33KB [ 35.617771] sgpool-8 180KB 180KB [ 35.623124] cfq_io_cq 16KB 19KB [ 35.628477] cfq_queue 25KB 27KB [ 35.633829] mqueue_inode_cache 1KB 7KB [ 35.639267] nfs_commit_data 3KB 7KB [ 35.644620] nfs_write_data 34KB 37KB [ 35.649973] jbd2_inode 1KB 3KB [ 35.655331] ext4_system_zone 0KB 3KB [ 35.660703] bio-1 1KB 3KB [ 35.666063] rpc_buffers 17KB 19KB [ 35.671423] rpc_tasks 2KB 3KB [ 35.676785] UNIX 780KB 780KB [ 35.682141] tcp_bind_bucket 0KB 4KB [ 35.687492] ip_fib_trie 0KB 3KB [ 35.692846] ip_fib_alias 0KB 3KB [ 35.698198] ip_dst_cache 4KB 7KB [ 35.703551] RAW 5KB 7KB [ 35.708908] UDP 29KB 31KB [ 35.714269] TCP 7KB 15KB [ 35.719628] hugetlbfs_inode_cache 1KB 7KB [ 35.725326] eventpoll_pwq 9KB 11KB [ 35.730676] eventpoll_epi 18KB 23KB [ 35.736030] inotify_inode_mark 3KB 7KB [ 35.741485] request_queue 42KB 113KB [ 35.746849] blkdev_ioc 22KB 23KB [ 35.752204] bio-0 315KB 315KB [ 35.757554] biovec-(1<<(21-12)) 462KB 462KB [ 35.763083] biovec-64 189KB 189KB [ 35.768436] biovec-16 26KB 26KB [ 35.773787] bio_integrity_payload 0KB 4KB [ 35.779486] khugepaged_mm_slot 0KB 3KB [ 35.784933] uid_cache 0KB 3KB [ 35.790293] dmaengine-unmap-2 0KB 3KB [ 35.795645] audit_buffer 0KB 3KB [ 35.800998] skbuff_fclone_cache 136KB 138KB [ 35.806533] skbuff_head_cache 1890KB 1890KB [ 35.811892] configfs_dir_cache 0KB 4KB [ 35.817332] file_lock_cache 164KB 166KB [ 35.822680] file_lock_ctx 1KB 3KB [ 35.828031] fsnotify_mark_connector 2KB 3KB [ 35.833913] shmem_inode_cache 1053KB 1054KB [ 35.839263] task_delay_info 317KB 332KB [ 35.844621] sigqueue 370KB 370KB [ 35.849975] kernfs_node_cache 2289KB 2295KB [ 35.855325] mnt_cache 15KB 20KB [ 35.860685] filp 8420KB 8846KB [ 35.866035] names_cache 111524KB 111554KB [ 35.871387] avc_node 37KB 39KB [ 35.876740] selinux_file_security 428KB 488KB [ 35.882442] selinux_inode_security 1944KB 1948KB [ 35.888234] key_jar 3KB 7KB [ 35.893591] nsproxy 0KB 3KB [ 35.898949] vm_area_struct 18597KB 18605KB [ 35.904304] mm_struct 4507KB 4515KB [ 35.909659] fs_cache 423KB 424KB [ 35.915027] files_cache 1588KB 1593KB [ 35.920393] signal_cache 2530KB 2537KB [ 35.925747] sighand_cache 217KB 333KB [ 35.931098] task_struct 10798KB 10804KB [ 35.936463] cred_jar 2347KB 2352KB [ 35.941819] anon_vma_chain 7792KB 7800KB [ 35.947171] anon_vma 140KB 338KB [ 35.952525] pid 220KB 244KB [ 35.957882] Acpi-Operand 106KB 170KB [ 35.963235] Acpi-State 0KB 3KB [ 35.968586] Acpi-Namespace 19KB 23KB [ 35.973934] numa_policy 0KB 3KB [ 35.979290] debug_objects_cache 469KB 469KB [ 35.984816] trace_event_file 144KB 147KB [ 35.990172] ftrace_event_field 254KB 255KB [ 35.995610] pool_workqueue 24KB 24KB [ 36.000961] page->ptl 3072KB 3075KB [ 36.006332] kmalloc-262144 1032KB 1032KB [ 36.011687] kmalloc-131072 650KB 650KB [ 36.017042] kmalloc-65536 264KB 264KB [ 36.022394] kmalloc-32768 825KB 825KB [ 36.027745] kmalloc-16384 181KB 181KB [ 36.033098] kmalloc-8192 470KB 470KB [ 36.038444] kmalloc-4096 7144KB 7174KB [ 36.043805] kmalloc-2048 3232KB 3232KB [ 36.049155] kmalloc-1024 3677KB 3677KB [ 36.054508] kmalloc-512 2759KB 2760KB [ 36.059866] kmalloc-256 1987KB 2490KB [ 36.065241] kmalloc-128 408KB 515KB [ 36.070594] kmalloc-96 2056KB 2056KB [ 36.075947] kmalloc-64 2468KB 2468KB [ 36.081306] kmalloc-32 2405KB 2405KB [ 36.086657] kmalloc-192 908KB 908KB [ 36.092024] kmem_cache 101KB 105KB [ 36.097370] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 36.105954] [ 1815] 0 1815 5366 168 90112 0 -1000 udevd [ 36.114092] [ 3494] 0 3494 14298 188 118784 0 0 rsyslogd [ 36.122490] [ 3540] 0 3540 4725 50 77824 0 0 cron [ 36.130540] [ 3567] 0 3567 3736 45 69632 0 0 mcstransd [ 36.139031] [ 3595] 0 3595 12490 153 143360 0 -1000 sshd [ 36.147085] [ 3619] 0 3619 3694 39 73728 0 0 getty [ 36.155218] [ 3620] 0 3620 3694 41 77824 0 0 getty [ 36.163361] [ 3621] 0 3621 3694 40 77824 0 0 getty [ 36.171501] [ 3622] 0 3622 3694 40 77824 0 0 getty [ 36.179640] [ 3623] 0 3623 3694 41 73728 0 0 getty [ 36.187775] [ 3624] 0 3624 3694 41 73728 0 0 getty [ 36.195913] [ 3625] 0 3625 3649 38 73728 0 0 getty [ 36.204050] [ 3629] 0 3629 5662 455 90112 0 -1000 udevd [ 36.212184] [ 3630] 0 3630 5662 455 90112 0 -1000 udevd [ 36.220319] [ 3646] 0 3646 17821 196 180224 0 0 sshd [ 36.228371] [ 3648] 0 3648 237 1 28672 0 0 syzkaller182529 [ 36.237377] [ 3649] 0 3649 4000 0 28672 0 0 syzkaller182529 [ 36.246379] [ 3650] 0 3650 4000 521 32768 0 0 syzkaller182529 [ 36.255377] [ 3651] 0 3651 4000 521 32768 0 0 syzkaller182529 [ 36.264389] [ 3652] 0 3652 4000 521 32768 0 0 syzkaller182529 [ 36.273397] [ 3653] 0 3653 4000 521 32768 0 0 syzkaller182529 [ 36.282402] [ 3654] 0 3654 4000 521 32768 0 0 syzkaller182529 [ 36.291406] [ 3655] 0 3655 4000 521 32768 0 0 syzkaller182529 [ 36.300412] [ 3656] 0 3656 4000 521 32768 0 0 syzkaller182529 [ 36.309417] Out of memory: Kill process 3650 (syzkaller182529) score 0 or sacrifice child [ 36.317739] Killed process 3650 (syzkaller182529) total-vm:16000kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 36.330648] oom_reaper: reaped process 3650 (syzkaller182529), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 36.348920] syzkaller182529 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 36.361272] syzkaller182529 cpuset=/ mems_allowed=0 [ 36.366291] CPU: 1 PID: 3652 Comm: syzkaller182529 Not tainted 4.15.0-rc8+ #179 [ 36.373706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.383030] Call Trace: [ 36.385595] dump_stack+0x194/0x257 [ 36.389205] ? arch_local_irq_restore+0x53/0x53 [ 36.393847] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.399013] dump_header+0x28c/0xe1e [ 36.402702] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.407860] ? print_irqtrace_events+0x270/0x270 [ 36.412589] ? pagefault_out_of_memory+0x152/0x152 [ 36.417489] ? check_noncircular+0x20/0x20 [ 36.421696] ? print_irqtrace_events+0x270/0x270 [ 36.426423] ? __lock_acquire+0x664/0x3e00 [ 36.430632] ? check_noncircular+0x20/0x20 [ 36.434862] ? find_held_lock+0x35/0x1d0 [ 36.438920] ? check_noncircular+0x20/0x20 [ 36.443139] ? task_will_free_mem+0x252/0xaa0 [ 36.447629] ? print_irqtrace_events+0x270/0x270 [ 36.452386] ? ___ratelimit+0x30d/0x630 [ 36.456351] ? lock_downgrade+0x980/0x980 [ 36.460496] ? lock_release+0xa40/0xa40 [ 36.464467] ? mark_held_locks+0xaf/0x100 [ 36.468605] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 36.473695] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.478697] ? trace_hardirqs_on+0xd/0x10 [ 36.482837] ? ___ratelimit+0x95/0x630 [ 36.486712] ? idr_get_free_cmn+0xfd0/0xfd0 [ 36.491018] ? check_noncircular+0x20/0x20 [ 36.495240] ? find_held_lock+0x138/0x1d0 [ 36.499386] oom_kill_process+0x8b5/0x14a0 [ 36.503618] ? has_ns_capability_noaudit+0x163/0x2a0 [ 36.508708] ? lock_downgrade+0x980/0x980 [ 36.512851] ? oom_evaluate_task+0x480/0x480 [ 36.517262] ? security_capable_noaudit+0x8b/0xc0 [ 36.522098] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 36.527188] ? has_capability+0x30/0x30 [ 36.531151] ? do_raw_spin_trylock+0x190/0x190 [ 36.535724] ? check_noncircular+0x20/0x20 [ 36.539953] ? has_capability_noaudit+0x24/0x30 [ 36.544611] ? oom_badness+0xd1/0x980 [ 36.548398] ? lock_release+0xa40/0xa40 [ 36.552360] ? do_try_to_free_pages+0xc53/0x1020 [ 36.557104] ? find_lock_task_mm+0x460/0x460 [ 36.561509] ? find_held_lock+0x35/0x1d0 [ 36.565569] ? out_of_memory+0xb3a/0x1220 [ 36.569708] ? lock_downgrade+0x980/0x980 [ 36.573851] ? lock_release+0xa40/0xa40 [ 36.577812] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 36.582739] ? oom_evaluate_task+0x284/0x480 [ 36.587144] out_of_memory+0x86d/0x1220 [ 36.591101] ? trace_hardirqs_on+0xd/0x10 [ 36.595248] ? oom_killer_disable+0x310/0x310 [ 36.599727] ? mutex_trylock+0x23a/0x2d0 [ 36.603783] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 36.609215] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 36.615102] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 36.619982] ? warn_alloc+0x2b0/0x2b0 [ 36.623771] ? lock_release+0xa40/0xa40 [ 36.627738] ? print_irqtrace_events+0x270/0x270 [ 36.632483] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.637675] ? mutex_spin_on_owner+0x446/0xb50 [ 36.642259] ? __lock_acquire+0x664/0x3e00 [ 36.646490] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 36.652385] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.657605] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 36.663472] ? find_held_lock+0x35/0x1d0 [ 36.667535] ? __might_sleep+0x95/0x190 [ 36.671508] __alloc_pages_nodemask+0x9fb/0xd80 [ 36.676161] ? lock_release+0xa40/0xa40 [ 36.680136] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 36.685150] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 36.690076] ? print_irqtrace_events+0x270/0x270 [ 36.694834] ? __lock_is_held+0xb6/0x140 [ 36.698897] ? find_next_bit+0x27/0x30 [ 36.702778] pcpu_populate_chunk+0x1b3/0x880 [ 36.707195] pcpu_alloc+0x978/0x10e0 [ 36.710916] ? pcpu_free_area+0xa00/0xa00 [ 36.715058] ? vmap_page_range_noflush+0x523/0x720 [ 36.720006] ? map_vm_area+0x9e/0xd0 [ 36.723710] ? __vmalloc_node_range+0x37a/0x650 [ 36.728382] ? array_map_alloc+0x354/0x990 [ 36.732606] ? __vmalloc_node_flags_caller+0x50/0x60 [ 36.737702] __alloc_percpu_gfp+0x27/0x30 [ 36.741841] array_map_alloc+0x794/0x990 [ 36.745906] SyS_bpf+0x7f8/0x4400 [ 36.749357] ? bpf_prog_get+0x20/0x20 [ 36.753144] ? __lock_acquire+0x664/0x3e00 [ 36.757384] ? perf_event_fork+0x30/0x30 [ 36.761443] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.766622] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.771803] ? vma_wants_writenotify+0x51/0x3b0 [ 36.776474] ? vma_wants_writenotify+0x3b0/0x3b0 [ 36.781228] ? vma_link+0xe9/0x170 [ 36.784763] ? mmap_region+0x52e/0x15a0 [ 36.788729] ? find_held_lock+0x35/0x1d0 [ 36.792767] ? check_noncircular+0x20/0x20 [ 36.796978] ? __handle_mm_fault+0x80e/0x3ce0 [ 36.801448] ? check_noncircular+0x20/0x20 [ 36.805653] ? __pmd_alloc+0x4e0/0x4e0 [ 36.809518] ? find_held_lock+0x35/0x1d0 [ 36.813557] ? handle_mm_fault+0x248/0x8d0 [ 36.817776] ? find_held_lock+0x35/0x1d0 [ 36.821818] ? __do_page_fault+0x5f7/0xc90 [ 36.826032] ? lock_downgrade+0x980/0x980 [ 36.830159] ? handle_mm_fault+0x410/0x8d0 [ 36.834364] ? down_read_trylock+0xdb/0x170 [ 36.838657] ? __do_page_fault+0x32d/0xc90 [ 36.842867] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 36.847421] ? vmacache_find+0x5f/0x280 [ 36.851379] ? vmacache_update+0xfe/0x130 [ 36.855507] ? up_read+0x1a/0x40 [ 36.858856] ? do_fast_syscall_32+0x156/0xf9d [ 36.863324] ? bpf_prog_get+0x20/0x20 [ 36.867096] do_fast_syscall_32+0x3ee/0xf9d [ 36.871396] ? do_int80_syscall_32+0x9d0/0x9d0 [ 36.875950] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.880684] ? syscall_return_slowpath+0x2ad/0x550 [ 36.885584] ? prepare_exit_to_usermode+0x340/0x340 [ 36.890572] ? retint_user+0x18/0x18 [ 36.894260] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.899080] entry_SYSENTER_compat+0x54/0x63 [ 36.903459] RIP: 0023:0xf7f07c79 [ 36.906794] RSP: 002b:00000000ffd4758c EFLAGS: 00000286 ORIG_RAX: 0000000000000165 [ 36.914471] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000203dc000 [ 36.921714] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 36.928953] RBP: 00000000ffd475d8 R08: 0000000000000000 R09: 0000000000000000 [ 36.936194] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 36.943437] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 36.950831] Mem-Info: [ 36.954071] active_anon:5048 inactive_anon:63 isolated_anon:0 [ 36.954071] active_file:13 inactive_file:14 isolated_file:0 [ 36.954071] unevictable:0 dirty:0 writeback:0 unstable:0 [ 36.954071] slab_reclaimable:7285 slab_unreclaimable:83491 [ 36.954071] mapped:3 shmem:70 pagetables:308 bounce:0 [ 36.954071] free:24254 free_pcp:61 free_cma:0 [ 36.986567] Node 0 active_anon:20192kB inactive_anon:252kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 37.013550] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 37.039703] lowmem_reserve[]: 0 2870 6381 6381 [ 37.044330] Node 0 DMA32 free:44080kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 37.071590] lowmem_reserve[]: 0 0 3510 3510 [ 37.075935] Node 0 Normal free:37028kB min:37084kB low:46352kB high:55620kB active_anon:20160kB inactive_anon:248kB active_file:44kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3040kB pagetables:1232kB bounce:0kB free_pcp:244kB local_pcp:64kB free_cma:0kB [ 37.105296] lowmem_reserve[]: 0 0 0 0 [ 37.109146] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 37.122787] Node 0 DMA32: 6*4kB (M) 5*8kB (UM) 7*16kB (UM) 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44080kB [ 37.138177] Node 0 Normal: 441*4kB (UME) 390*8kB (UME) 273*16kB (ME) 214*32kB (ME) 103*64kB (UM) 38*128kB (UM) 31*256kB (UM) 1*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 37028kB [ 37.154272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 37.162860] 97 total pagecache pages [ 37.166593] 0 pages in swap cache [ 37.170057] Swap cache stats: add 0, delete 0, find 0/0 [ 37.175433] Free swap = 0kB [ 37.178467] Total swap = 0kB [ 37.181496] 1965979 pages RAM [ 37.184608] 0 pages HighMem/MovableOnly [ 37.188592] 327760 pages reserved [ 37.192061] Unreclaimable slab info: [ 37.195783] Name Used Total [ 37.201333] hashtab_node 118KB 119KB [ 37.206713] ebitmap_node 382KB 385KB [ 37.212089] avtab_node 1012KB 1013KB [ 37.217471] TIPC 1KB 7KB [ 37.222852] SCTPv6 2KB 4KB [ 37.228233] DCCPv6 2KB 7KB [ 37.234409] DCCP 2KB 6KB [ 37.239807] fib6_nodes 0KB 4KB [ 37.245183] ip6_dst_cache 6KB 11KB [ 37.250561] RAWv6 9KB 19KB [ 37.255936] UDPv6 12KB 14KB [ 37.261315] TCPv6 2KB 5KB [ 37.266708] sd_ext_cdb 0KB 3KB [ 37.272083] scsi_sense_cache 94KB 124KB [ 37.277466] virtio_scsi_cmd 16KB 16KB [ 37.282844] sgpool-128 8KB 8KB [ 37.288218] sgpool-64 4KB 6KB [ 37.293596] sgpool-32 141KB 141KB [ 37.298989] sgpool-16 33KB 33KB [ 37.304805] sgpool-8 180KB 180KB [ 37.310182] cfq_io_cq 16KB 19KB [ 37.315557] cfq_queue 25KB 27KB [ 37.320933] mqueue_inode_cache 1KB 7KB [ 37.326395] nfs_commit_data 3KB 7KB [ 37.331772] nfs_write_data 34KB 37KB [ 37.337153] jbd2_inode 1KB 3KB [ 37.342527] ext4_system_zone 0KB 3KB [ 37.348006] bio-1 1KB 3KB [ 37.353409] rpc_buffers 17KB 19KB [ 37.358789] rpc_tasks 2KB 3KB [ 37.364191] UNIX 780KB 780KB [ 37.371714] tcp_bind_bucket 0KB 4KB [ 37.383233] ip_fib_trie 0KB 3KB [ 37.388615] ip_fib_alias 0KB 3KB [ 37.394334] ip_dst_cache 4KB 7KB [ 37.403452] RAW 5KB 7KB [ 37.415073] UDP 29KB 31KB [ 37.420461] TCP 7KB 15KB [ 37.425837] hugetlbfs_inode_cache 1KB 7KB [ 37.431582] eventpoll_pwq 9KB 11KB [ 37.440175] eventpoll_epi 18KB 23KB [ 37.447504] inotify_inode_mark 3KB 7KB [ 37.458168] request_queue 42KB 113KB [ 37.464199] blkdev_ioc 22KB 23KB [ 37.476202] bio-0 315KB 315KB [ 37.481587] biovec-(1<<(21-12)) 462KB 462KB [ 37.491709] biovec-64 189KB 189KB [ 37.500659] biovec-16 26KB 26KB [ 37.512552] bio_integrity_payload 0KB 4KB [ 37.520201] khugepaged_mm_slot 0KB 3KB [ 37.531832] uid_cache 0KB 3KB [ 37.537213] dmaengine-unmap-2 0KB 3KB [ 37.542887] audit_buffer 0KB 3KB [ 37.549550] skbuff_fclone_cache 136KB 138KB [ 37.560080] skbuff_head_cache 1890KB 1890KB [ 37.566821] configfs_dir_cache 0KB 4KB [ 37.572291] file_lock_cache 164KB 166KB [ 37.577657] file_lock_ctx 1KB 3KB [ 37.583022] fsnotify_mark_connector 2KB 3KB [ 37.588896] shmem_inode_cache 1053KB 1054KB [ 37.594251] task_delay_info 317KB 332KB [ 37.599636] sigqueue 370KB 370KB [ 37.604990] kernfs_node_cache 2289KB 2295KB [ 37.610348] mnt_cache 15KB 20KB [ 37.615697] filp 8420KB 8846KB [ 37.621044] names_cache 111524KB 111554KB [ 37.626403] avc_node 37KB 39KB [ 37.632023] selinux_file_security 428KB 488KB [ 37.637718] selinux_inode_security 1944KB 1948KB [ 37.643499] key_jar 3KB 7KB [ 37.648848] nsproxy 0KB 3KB [ 37.654199] vm_area_struct 18597KB 18605KB [ 37.659551] mm_struct 4507KB 4515KB [ 37.664923] fs_cache 423KB 424KB [ 37.670273] files_cache 1588KB 1593KB [ 37.675649] signal_cache 2530KB 2537KB [ 37.681021] sighand_cache 217KB 333KB [ 37.686375] task_struct 10798KB 10804KB [ 37.691725] cred_jar 2347KB 2352KB [ 37.697075] anon_vma_chain 7792KB 7800KB [ 37.702434] anon_vma 140KB 338KB [ 37.707786] pid 220KB 244KB [ 37.713148] Acpi-Operand 106KB 170KB [ 37.718508] Acpi-State 0KB 3KB [ 37.723864] Acpi-Namespace 19KB 23KB [ 37.729289] numa_policy 0KB 3KB [ 37.734641] debug_objects_cache 469KB 469KB [ 37.740165] trace_event_file 144KB 147KB [ 37.745515] ftrace_event_field 254KB 255KB [ 37.750954] pool_workqueue 24KB 24KB [ 37.756312] page->ptl 3072KB 3075KB [ 37.761679] kmalloc-262144 1032KB 1032KB [ 37.767041] kmalloc-131072 650KB 650KB [ 37.772412] kmalloc-65536 264KB 264KB [ 37.777781] kmalloc-32768 825KB 825KB [ 37.783153] kmalloc-16384 181KB 181KB [ 37.788529] kmalloc-8192 470KB 470KB [ 37.793910] kmalloc-4096 7144KB 7174KB [ 37.799287] kmalloc-2048 3232KB 3232KB [ 37.804684] kmalloc-1024 3677KB 3677KB [ 37.810061] kmalloc-512 2759KB 2760KB [ 37.815439] kmalloc-256 1987KB 2490KB [ 37.820822] kmalloc-128 408KB 515KB [ 37.826202] kmalloc-96 2060KB 2060KB [ 37.831585] kmalloc-64 2468KB 2468KB [ 37.836965] kmalloc-32 2405KB 2405KB [ 37.842344] kmalloc-192 908KB 908KB [ 37.847731] kmem_cache 101KB 105KB [ 37.853111] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 37.861732] [ 1815] 0 1815 5366 168 90112 0 -1000 udevd [ 37.869905] [ 3494] 0 3494 14298 188 118784 0 0 rsyslogd [ 37.878331] [ 3540] 0 3540 4725 50 77824 0 0 cron [ 37.886429] [ 3567] 0 3567 3736 45 69632 0 0 mcstransd [ 37.894952] [ 3595] 0 3595 12490 153 143360 0 -1000 sshd [ 37.903047] [ 3619] 0 3619 3694 39 73728 0 0 getty [ 37.911207] [ 3620] 0 3620 3694 41 77824 0 0 getty [ 37.919371] [ 3621] 0 3621 3694 40 77824 0 0 getty [ 37.927532] [ 3622] 0 3622 3694 40 77824 0 0 getty [ 37.935692] [ 3623] 0 3623 3694 41 73728 0 0 getty [ 37.943854] [ 3624] 0 3624 3694 41 73728 0 0 getty [ 37.952051] [ 3625] 0 3625 3649 38 73728 0 0 getty [ 37.960213] [ 3629] 0 3629 5662 455 90112 0 -1000 udevd [ 37.968378] [ 3630] 0 3630 5662 455 90112 0 -1000 udevd [ 37.976539] [ 3646] 0 3646 17821 196 180224 0 0 sshd [ 37.984613] [ 3648] 0 3648 237 1 28672 0 0 syzkaller182529 [ 37.993641] [ 3649] 0 3649 4000 0 28672 0 0 syzkaller182529 [ 38.002671] [ 3650] 0 3650 4000 0 28672 0 0 syzkaller182529 [ 38.011702] [ 3651] 0 3651 4000 521 32768 0 0 syzkaller182529 [ 38.020730] [ 3652] 0 3652 4000 521 32768 0 0 syzkaller182529 [ 38.029756] [ 3653] 0 3653 4000 521 32768 0 0 syzkaller182529 [ 38.038784] [ 3654] 0 3654 4000 521 32768 0 0 syzkaller182529 [ 38.047811] [ 3655] 0 3655 4000 521 32768 0 0 syzkaller182529 [ 38.056841] [ 3656] 0 3656 4000 521 32768 0 0 syzkaller182529 [ 38.065864] Out of memory: Kill process 3651 (syzkaller182529) score 0 or sacrifice child [ 38.074217] Killed process 3651 (syzkaller182529) total-vm:16000kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 38.086672] oom_reaper: reaped process 3651 (syzkaller182529), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 38.115593] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 38.127161] udevd cpuset=/ mems_allowed=0 [ 38.131512] CPU: 0 PID: 1815 Comm: udevd Not tainted 4.15.0-rc8+ #179 [ 38.138076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.147414] Call Trace: [ 38.149995] dump_stack+0x194/0x257 [ 38.153617] ? arch_local_irq_restore+0x53/0x53 [ 38.158288] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 38.163481] dump_header+0x28c/0xe1e [ 38.167193] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 38.172378] ? pagefault_out_of_memory+0x152/0x152 [ 38.177291] ? check_noncircular+0x20/0x20 [ 38.181514] ? print_irqtrace_events+0x270/0x270 [ 38.186266] ? __lock_acquire+0x664/0x3e00 [ 38.190492] ? check_noncircular+0x20/0x20 [ 38.194810] ? find_held_lock+0x35/0x1d0 [ 38.198875] ? check_noncircular+0x20/0x20 [ 38.203094] ? task_will_free_mem+0x252/0xaa0 [ 38.207582] ? print_irqtrace_events+0x270/0x270 [ 38.212336] ? ___ratelimit+0x30d/0x630 [ 38.216298] ? lock_downgrade+0x980/0x980 [ 38.220442] ? lock_release+0xa40/0xa40 [ 38.224410] ? mark_held_locks+0xaf/0x100 [ 38.228544] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 38.233633] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.238635] ? trace_hardirqs_on+0xd/0x10 [ 38.242775] ? ___ratelimit+0x95/0x630 [ 38.246654] ? idr_get_free_cmn+0xfd0/0xfd0 [ 38.250963] ? check_noncircular+0x20/0x20 [ 38.255185] ? find_held_lock+0x138/0x1d0 [ 38.259333] oom_kill_process+0x8b5/0x14a0 [ 38.263563] ? has_ns_capability_noaudit+0x163/0x2a0 [ 38.268653] ? lock_downgrade+0x980/0x980 [ 38.272794] ? oom_evaluate_task+0x480/0x480 [ 38.277211] ? security_capable_noaudit+0x8b/0xc0 [ 38.282048] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 38.287137] ? has_capability+0x30/0x30 [ 38.291095] ? do_raw_spin_trylock+0x190/0x190 [ 38.295664] ? check_noncircular+0x20/0x20 [ 38.299901] ? has_capability_noaudit+0x24/0x30 [ 38.304557] ? oom_badness+0xd1/0x980 [ 38.308340] ? lock_release+0xa40/0xa40 [ 38.312300] ? do_try_to_free_pages+0xc53/0x1020 [ 38.317045] ? find_lock_task_mm+0x460/0x460 [ 38.321446] ? find_held_lock+0x35/0x1d0 [ 38.325510] ? out_of_memory+0xb3a/0x1220 [ 38.329644] ? lock_downgrade+0x980/0x980 [ 38.333786] ? lock_release+0xa40/0xa40 [ 38.337743] ? lock_acquire+0x1d5/0x580 [ 38.341704] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 38.346632] ? oom_evaluate_task+0x284/0x480 [ 38.351034] out_of_memory+0x86d/0x1220 [ 38.354998] ? trace_hardirqs_on+0xd/0x10 [ 38.359148] ? oom_killer_disable+0x310/0x310 [ 38.363625] ? mutex_trylock+0x23a/0x2d0 [ 38.367682] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 38.373120] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 38.379012] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 38.383859] ? trace_hardirqs_on+0xd/0x10 [ 38.388027] ? warn_alloc+0x2b0/0x2b0 [ 38.391818] ? lock_downgrade+0x980/0x980 [ 38.395968] ? __lock_is_held+0xb6/0x140 [ 38.400036] ? find_get_entry+0x53c/0x9e0 [ 38.404209] ? __lock_acquire+0x664/0x3e00 [ 38.408484] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 38.414459] ? __might_sleep+0x95/0x190 [ 38.418426] __alloc_pages_nodemask+0x9fb/0xd80 [ 38.423093] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 38.428098] ? add_to_page_cache_lru+0x510/0x510 [ 38.432854] ? check_noncircular+0x20/0x20 [ 38.437075] ? check_noncircular+0x20/0x20 [ 38.441309] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 38.446091] alloc_pages_current+0xb6/0x1e0 [ 38.450412] __page_cache_alloc+0x334/0x500 [ 38.454719] ? rcu_read_lock_held+0xa9/0xc0 [ 38.459030] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 38.466395] filemap_fault+0xefc/0x1c20 [ 38.470356] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 38.475548] ? __lock_page_or_retry+0x4f0/0x4f0 [ 38.480216] ? filemap_map_pages+0x942/0x15d0 [ 38.484721] ? find_get_entries_tag+0xeb0/0xeb0 [ 38.489389] ? __unlock_page_memcg+0x72/0x100 [ 38.493876] ? check_noncircular+0x20/0x20 [ 38.498098] ? page_add_file_rmap+0x5b7/0xa90 [ 38.502604] ? print_irqtrace_events+0x270/0x270 [ 38.507360] ? print_irqtrace_events+0x270/0x270 [ 38.512104] ? print_irqtrace_events+0x270/0x270 [ 38.516854] ? do_raw_spin_trylock+0x190/0x190 [ 38.521443] ? lock_acquire+0x1d5/0x580 [ 38.525400] ? lock_acquire+0x1d5/0x580 [ 38.529360] ? ext4_filemap_fault+0x7a/0xad [ 38.533673] ? __lock_acquire+0x664/0x3e00 [ 38.537897] ? lock_release+0xa40/0xa40 [ 38.541860] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 38.547733] ? rcu_note_context_switch+0x710/0x710 [ 38.552657] ? __might_sleep+0x95/0x190 [ 38.556625] ? down_read+0x96/0x150 [ 38.560236] ? ext4_filemap_fault+0x7a/0xad [ 38.564542] ? __down_interruptible+0x6b0/0x6b0 [ 38.569218] ext4_filemap_fault+0x82/0xad [ 38.573356] __do_fault+0xeb/0x30f [ 38.576886] ? pte_offset_kernel+0xc7/0xc7 [ 38.581110] ? do_raw_spin_trylock+0x190/0x190 [ 38.585688] ? check_noncircular+0x20/0x20 [ 38.589918] __handle_mm_fault+0x1d8f/0x3ce0 [ 38.594421] ? __pmd_alloc+0x4e0/0x4e0 [ 38.598297] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.603061] ? find_held_lock+0x35/0x1d0 [ 38.607123] ? handle_mm_fault+0x248/0x8d0 [ 38.611342] ? lock_downgrade+0x980/0x980 [ 38.615518] handle_mm_fault+0x334/0x8d0 [ 38.619563] ? down_read_trylock+0xdb/0x170 [ 38.623869] ? __do_page_fault+0x32d/0xc90 [ 38.628093] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 38.632660] ? vmacache_find+0x5f/0x280 [ 38.636629] ? find_vma+0x30/0x150 [ 38.640162] __do_page_fault+0x5c9/0xc90 [ 38.644224] ? mm_fault_error+0x2c0/0x2c0 [ 38.648354] ? __fdget+0x18/0x20 [ 38.651723] do_page_fault+0xee/0x720 [ 38.655517] ? __do_page_fault+0xc90/0xc90 [ 38.659744] ? __sb_end_write+0xa0/0xd0 [ 38.663705] ? vfs_write+0x224/0x510 [ 38.667418] ? retint_user+0x18/0x18 [ 38.671119] ? page_fault+0x36/0x60 [ 38.674733] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.679570] ? page_fault+0x36/0x60 [ 38.683187] page_fault+0x4c/0x60 [ 38.686626] RIP: 0033:0x7f71f4e6a1f6 [ 38.690319] RSP: 002b:00007ffed986b9e8 EFLAGS: 00010202 [ 38.695672] RAX: 0000000002318f60 RBX: 0000000002318bf0 RCX: 0000000002318f50 [ 38.702928] RDX: 0000000000000008 RSI: 000000000041d8bd RDI: 0000000002318f60 [ 38.710179] RBP: 0000000002314d00 R08: 0000000002318f50 R09: 0000000000000000 [ 38.717431] R10: 00007f71f4ef7dc0 R11: 726f6674616c702f R12: 0000000002318f84 [ 38.724684] R13: 000000000041d8bd R14: fffffffffffffffe R15: 00007ffed986bf74 [ 38.732074] Mem-Info: [ 38.737404] active_anon:4531 inactive_anon:63 isolated_anon:0 [ 38.737404] active_file:23 inactive_file:12 isolated_file:0 [ 38.737404] unevictable:0 dirty:0 writeback:0 unstable:0 [ 38.737404] slab_reclaimable:7285 slab_unreclaimable:83494 [ 38.737404] mapped:0 shmem:70 pagetables:307 bounce:0 [ 38.737404] free:24226 free_pcp:1 free_cma:0 [ 38.769452] Node 0 active_anon:18124kB inactive_anon:252kB active_file:24kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):60kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 38.796546] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 38.829077] lowmem_reserve[]: 0 2870 6381 6381 [ 38.833714] Node 0 DMA32 free:44080kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 38.860987] lowmem_reserve[]: 0 0 3510 3510 [ 38.865375] Node 0 Normal free:37060kB min:37084kB low:46352kB high:55620kB active_anon:18092kB inactive_anon:248kB active_file:56kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3040kB pagetables:1228kB bounce:0kB free_pcp:4kB local_pcp:4kB free_cma:0kB [ 38.893866] lowmem_reserve[]: 0 0 0 0 [ 38.897708] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 38.911386] Node 0 DMA32: 6*4kB (M) 5*8kB (UM) 7*16kB (UM) 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44080kB [ 38.926792] Node 0 Normal: 451*4kB (UME) 393*8kB (UME) 275*16kB (UME) 216*32kB (UME) 101*64kB (M) 38*128kB (M) 31*256kB (UM) 1*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 37060kB [ 38.942884] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 38.951473] 97 total pagecache pages [ 38.955204] 0 pages in swap cache [ 38.958667] Swap cache stats: add 0, delete 0, find 0/0 [ 38.964044] Free swap = 0kB [ 38.967071] Total swap = 0kB [ 38.970101] 1965979 pages RAM [ 38.973217] 0 pages HighMem/MovableOnly [ 38.977200] 327760 pages reserved [ 38.980735] Unreclaimable slab info: [ 38.984561] Name Used Total [ 38.990167] hashtab_node 118KB 119KB [ 38.995548] ebitmap_node 382KB 385KB [ 39.000925] avtab_node 1012KB 1013KB [ 39.006309] TIPC 1KB 7KB [ 39.011691] SCTPv6 2KB 4KB [ 39.017076] DCCPv6 2KB 7KB [ 39.022455] DCCP 2KB 6KB [ 39.027856] fib6_nodes 0KB 4KB [ 39.033236] ip6_dst_cache 6KB 11KB [ 39.038615] RAWv6 9KB 19KB [ 39.043991] UDPv6 12KB 14KB [ 39.049372] TCPv6 2KB 5KB [ 39.054776] sd_ext_cdb 0KB 3KB [ 39.060154] scsi_sense_cache 94KB 124KB [ 39.065534] virtio_scsi_cmd 16KB 16KB [ 39.070918] sgpool-128 8KB 8KB [ 39.076294] sgpool-64 4KB 6KB [ 39.081667] sgpool-32 141KB 141KB [ 39.087046] sgpool-16 33KB 33KB [ 39.092426] sgpool-8 180KB 180KB [ 39.097808] cfq_io_cq 16KB 19KB [ 39.103188] cfq_queue 25KB 27KB [ 39.108564] mqueue_inode_cache 1KB 7KB [ 39.114040] nfs_commit_data 3KB 7KB [ 39.119418] nfs_write_data 34KB 37KB [ 39.124807] jbd2_inode 1KB 3KB [ 39.130182] ext4_system_zone 0KB 3KB [ 39.135565] bio-1 1KB 3KB [ 39.140946] rpc_buffers 17KB 19KB [ 39.146323] rpc_tasks 2KB 3KB [ 39.152146] UNIX 780KB 780KB [ 39.157529] tcp_bind_bucket 0KB 4KB [ 39.162907] ip_fib_trie 0KB 3KB [ 39.168284] ip_fib_alias 0KB 3KB [ 39.173659] ip_dst_cache 4KB 7KB [ 39.179039] RAW 5KB 7KB [ 39.184450] UDP 29KB 31KB [ 39.196044] TCP 7KB 15KB [ 39.201434] hugetlbfs_inode_cache 1KB 7KB [ 39.210713] eventpoll_pwq 9KB 11KB [ 39.222356] eventpoll_epi 18KB 23KB [ 39.227747] inotify_inode_mark 3KB 7KB [ 39.238478] request_queue 42KB 113KB [ 39.250200] blkdev_ioc 22KB 23KB [ 39.255583] bio-0 315KB 315KB [ 39.266179] biovec-(1<<(21-12)) 462KB 462KB [ 39.277932] biovec-64 196KB 196KB [ 39.283319] biovec-16 26KB 26KB [ 39.293955] bio_integrity_payload 0KB 4KB [ 39.302635] khugepaged_mm_slot 0KB 3KB [ 39.308108] uid_cache 0KB 3KB [ 39.313495] dmaengine-unmap-2 0KB 3KB [ 39.318871] audit_buffer 0KB 3KB [ 39.324249] skbuff_fclone_cache 136KB 138KB [ 39.329807] skbuff_head_cache 1890KB 1890KB [ 39.335186] configfs_dir_cache 0KB 4KB [ 39.340653] file_lock_cache 164KB 166KB [ 39.346037] file_lock_ctx 1KB 3KB [ 39.351412] fsnotify_mark_connector 2KB 3KB [ 39.357308] shmem_inode_cache 1053KB 1054KB [ 39.362686] task_delay_info 317KB 332KB [ 39.368065] sigqueue 370KB 370KB [ 39.373440] kernfs_node_cache 2289KB 2295KB [ 39.378817] mnt_cache 15KB 20KB [ 39.384196] filp 8420KB 8846KB [ 39.389572] names_cache 111524KB 111554KB [ 39.394953] avc_node 37KB 39KB [ 39.400332] selinux_file_security 428KB 488KB [ 39.406054] selinux_inode_security 1944KB 1948KB [ 39.418105] key_jar 3KB 7KB [ 39.423493] nsproxy 0KB 3KB [ 39.430544] vm_area_struct 18597KB 18605KB [ 39.442295] mm_struct 4507KB 4515KB [ 39.458080] fs_cache 423KB 424KB [ 39.464313] files_cache 1588KB 1593KB [ 39.471578] signal_cache 2530KB 2537KB [ 39.478399] sighand_cache 217KB 333KB [ 39.487885] task_struct 10798KB 10804KB [ 39.499860] cred_jar 2347KB 2352KB [ 39.505246] anon_vma_chain 7792KB 7800KB [ 39.510623] anon_vma 140KB 338KB [ 39.515995] pid 220KB 244KB [ 39.521372] Acpi-Operand 106KB 170KB [ 39.526764] Acpi-State 0KB 3KB [ 39.532135] Acpi-Namespace 19KB 23KB [ 39.537508] numa_policy 0KB 3KB [ 39.542881] debug_objects_cache 469KB 469KB [ 39.548425] trace_event_file 144KB 147KB [ 39.553798] ftrace_event_field 254KB 255KB [ 39.561672] pool_workqueue 24KB 24KB [ 39.568342] page->ptl 3072KB 3075KB [ 39.580497] kmalloc-262144 1032KB 1032KB [ 39.585883] kmalloc-131072 650KB 650KB [ 39.615763] kmalloc-65536 264KB 264KB [ 39.623949] kmalloc-32768 825KB 825KB [ 39.634805] kmalloc-16384 181KB 181KB [ 39.648288] kmalloc-8192 470KB 470KB [ 39.665673] kmalloc-4096 7144KB 7174KB [ 39.683061] kmalloc-2048 3232KB 3232KB [ 39.699806] kmalloc-1024 3685KB 3685KB [ 39.711257] kmalloc-512 2759KB 2760KB [ 39.716633] kmalloc-256 1987KB 2490KB [ 39.721995] kmalloc-128 408KB 515KB [ 39.727762] kmalloc-96 2064KB 2064KB [ 39.733114] kmalloc-64 2468KB 2468KB [ 39.738465] kmalloc-32 2405KB 2405KB [ 39.743887] kmalloc-192 908KB 908KB [ 39.749240] kmem_cache 101KB 105KB [ 39.754590] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 39.763217] [ 1815] 0 1815 5366 168 90112 0 -1000 udevd [ 39.771416] [ 3494] 0 3494 14298 188 118784 0 0 rsyslogd [ 39.779812] [ 3540] 0 3540 4725 50 77824 0 0 cron [ 39.787870] [ 3567] 0 3567 3736 45 69632 0 0 mcstransd [ 39.796353] [ 3595] 0 3595 12490 153 143360 0 -1000 sshd [ 39.804401] [ 3619] 0 3619 3694 39 73728 0 0 getty [ 39.812536] [ 3620] 0 3620 3694 41 77824 0 0 getty [ 39.820722] [ 3621] 0 3621 3694 40 77824 0 0 getty [ 39.828884] [ 3622] 0 3622 3694 40 77824 0 0 getty [ 39.837050] [ 3623] 0 3623 3694 41 73728 0 0 getty [ 39.845218] [ 3624] 0 3624 3694 41 73728 0 0 getty [ 39.853387] [ 3625] 0 3625 3649 38 73728 0 0 getty [ 39.861572] [ 3629] 0 3629 5662 455 90112 0 -1000 udevd [ 39.869734] [ 3630] 0 3630 5662 455 90112 0 -1000 udevd [ 39.877897] [ 3646] 0 3646 17821 196 180224 0 0 sshd [ 39.885974] [ 3648] 0 3648 237 1 28672 0 0 syzkaller182529 [ 39.895035] [ 3649] 0 3649 4000 0 28672 0 0 syzkaller182529 [ 39.904063] [ 3650] 0 3650 4000 0 28672 0 0 syzkaller182529 [ 39.913092] [ 3651] 0 3651 4000 0 28672 0 0 syzkaller182529 [ 39.922131] [ 3652] 0 3652 4000 521 32768 0 0 syzkaller182529 [ 39.931170] [ 3653] 0 3653 4000 521 32768 0 0 syzkaller182529 [ 39.940191] [ 3654] 0 3654 4000 521 32768 0 0 syzkaller182529 [ 39.949208] [ 3655] 0 3655 4000 521 32768 0 0 syzkaller182529 [ 39.958227] [ 3656] 0 3656 4000 521 32768 0 0 syzkaller182529 [ 39.967239] Out of memory: Kill process 3652 (syzkaller182529) score 0 or sacrifice child [ 39.975837] Killed process 3652 (syzkaller182529) total-vm:16000kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 39.988741] oom_reaper: reaped process 3652 (syzkaller182529), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 40.037204] syzkaller182529 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 40.050766] syzkaller182529 cpuset=/ mems_allowed=0 [ 40.055834] CPU: 0 PID: 3655 Comm: syzkaller182529 Not tainted 4.15.0-rc8+ #179 [ 40.063262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.072600] Call Trace: [ 40.075182] dump_stack+0x194/0x257 [ 40.078804] ? arch_local_irq_restore+0x53/0x53 [ 40.083470] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.088649] dump_header+0x28c/0xe1e [ 40.092359] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.097539] ? print_irqtrace_events+0x270/0x270 [ 40.102292] ? pagefault_out_of_memory+0x152/0x152 [ 40.107297] ? check_noncircular+0x20/0x20 [ 40.111528] ? print_irqtrace_events+0x270/0x270 [ 40.116280] ? __lock_acquire+0x664/0x3e00 [ 40.120502] ? check_noncircular+0x20/0x20 [ 40.124723] ? find_held_lock+0x35/0x1d0 [ 40.128766] ? check_noncircular+0x20/0x20 [ 40.132974] ? task_will_free_mem+0x252/0xaa0 [ 40.137459] ? print_irqtrace_events+0x270/0x270 [ 40.142215] ? ___ratelimit+0x30d/0x630 [ 40.146179] ? lock_downgrade+0x980/0x980 [ 40.150324] ? lock_release+0xa40/0xa40 [ 40.154295] ? mark_held_locks+0xaf/0x100 [ 40.158427] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 40.163515] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.168515] ? trace_hardirqs_on+0xd/0x10 [ 40.172640] ? ___ratelimit+0x95/0x630 [ 40.176505] ? idr_get_free_cmn+0xfd0/0xfd0 [ 40.180805] ? check_noncircular+0x20/0x20 [ 40.185016] ? find_held_lock+0x138/0x1d0 [ 40.189167] oom_kill_process+0x8b5/0x14a0 [ 40.193397] ? has_ns_capability_noaudit+0x163/0x2a0 [ 40.198481] ? lock_downgrade+0x980/0x980 [ 40.202610] ? oom_evaluate_task+0x480/0x480 [ 40.207002] ? security_capable_noaudit+0x8b/0xc0 [ 40.211839] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 40.216922] ? has_capability+0x30/0x30 [ 40.220872] ? do_raw_spin_trylock+0x190/0x190 [ 40.225440] ? check_noncircular+0x20/0x20 [ 40.229673] ? has_capability_noaudit+0x24/0x30 [ 40.234334] ? oom_badness+0xd1/0x980 [ 40.238122] ? lock_release+0xa40/0xa40 [ 40.242085] ? do_try_to_free_pages+0xc53/0x1020 [ 40.246827] ? find_lock_task_mm+0x460/0x460 [ 40.251223] ? find_held_lock+0x35/0x1d0 [ 40.255283] ? out_of_memory+0xb3a/0x1220 [ 40.259419] ? lock_downgrade+0x980/0x980 [ 40.263563] ? lock_release+0xa40/0xa40 [ 40.267531] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 40.272448] ? oom_evaluate_task+0x284/0x480 [ 40.276835] out_of_memory+0x86d/0x1220 [ 40.280793] ? oom_killer_disable+0x310/0x310 [ 40.285265] ? mutex_trylock+0x23a/0x2d0 [ 40.289318] ? __lock_is_held+0xb6/0x140 [ 40.293366] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 40.298806] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 40.303676] ? warn_alloc+0x2b0/0x2b0 [ 40.307470] ? check_noncircular+0x20/0x20 [ 40.311709] ? print_irqtrace_events+0x270/0x270 [ 40.316451] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.321623] ? check_noncircular+0x20/0x20 [ 40.325844] ? find_held_lock+0x35/0x1d0 [ 40.329903] ? lock_acquire+0x1d5/0x580 [ 40.333866] ? lock_acquire+0x1d5/0x580 [ 40.337836] ? __lock_acquire+0x664/0x3e00 [ 40.342070] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.347962] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.353161] ? __lock_is_held+0xb6/0x140 [ 40.357233] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.363121] ? __might_sleep+0x95/0x190 [ 40.367094] __alloc_pages_nodemask+0x9fb/0xd80 [ 40.371755] ? lock_release+0xa40/0xa40 [ 40.375728] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 40.380734] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 40.385651] ? print_irqtrace_events+0x270/0x270 [ 40.390413] ? __lock_is_held+0xb6/0x140 [ 40.394460] ? find_next_bit+0x27/0x30 [ 40.398343] pcpu_populate_chunk+0x1b3/0x880 [ 40.402747] pcpu_alloc+0x978/0x10e0 [ 40.406446] ? pcpu_free_area+0xa00/0xa00 [ 40.410566] ? __pte_alloc_kernel+0x1f7/0x2a0 [ 40.415049] ? vmap_page_range_noflush+0x523/0x720 [ 40.419996] ? retint_kernel+0x10/0x10 [ 40.423880] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.428886] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.433635] ? retint_kernel+0x10/0x10 [ 40.437529] __alloc_percpu_gfp+0x27/0x30 [ 40.441670] array_map_alloc+0x794/0x990 [ 40.445740] SyS_bpf+0x7f8/0x4400 [ 40.449192] ? bpf_prog_get+0x20/0x20 [ 40.452976] ? __lock_acquire+0x664/0x3e00 [ 40.457201] ? perf_event_fork+0x30/0x30 [ 40.461266] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.466439] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.471616] ? vma_wants_writenotify+0x51/0x3b0 [ 40.476284] ? vma_wants_writenotify+0x3b0/0x3b0 [ 40.481032] ? vma_link+0xe9/0x170 [ 40.484557] ? mmap_region+0x52e/0x15a0 [ 40.488525] ? find_held_lock+0x35/0x1d0 [ 40.492568] ? check_noncircular+0x20/0x20 [ 40.496780] ? __handle_mm_fault+0x80e/0x3ce0 [ 40.501263] ? check_noncircular+0x20/0x20 [ 40.505485] ? __pmd_alloc+0x4e0/0x4e0 [ 40.509374] ? find_held_lock+0x35/0x1d0 [ 40.513434] ? handle_mm_fault+0x248/0x8d0 [ 40.517661] ? find_held_lock+0x35/0x1d0 [ 40.521730] ? __do_page_fault+0x5f7/0xc90 [ 40.525955] ? lock_downgrade+0x980/0x980 [ 40.530104] ? handle_mm_fault+0x410/0x8d0 [ 40.534322] ? down_read_trylock+0xdb/0x170 [ 40.538625] ? __do_page_fault+0x32d/0xc90 [ 40.542837] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 40.547402] ? vmacache_find+0x5f/0x280 [ 40.551367] ? vmacache_update+0xfe/0x130 [ 40.555516] ? up_read+0x1a/0x40 [ 40.558873] ? do_fast_syscall_32+0x156/0xf9d [ 40.563353] ? bpf_prog_get+0x20/0x20 [ 40.567141] do_fast_syscall_32+0x3ee/0xf9d [ 40.571463] ? do_int80_syscall_32+0x9d0/0x9d0 [ 40.576035] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.580781] ? syscall_return_slowpath+0x2ad/0x550 [ 40.585694] ? prepare_exit_to_usermode+0x340/0x340 [ 40.590693] ? retint_user+0x18/0x18 [ 40.594395] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.599247] entry_SYSENTER_compat+0x54/0x63 [ 40.603640] RIP: 0023:0xf7f07c79 [ 40.606985] RSP: 002b:00000000ffd4758c EFLAGS: 00000286 ORIG_RAX: 0000000000000165 [ 40.614676] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000203dc000 [ 40.621923] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 40.629177] RBP: 00000000ffd475d8 R08: 0000000000000000 R09: 0000000000000000 [ 40.636429] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 40.643683] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 40.651271] Mem-Info: [ 40.654508] active_anon:4014 inactive_anon:63 isolated_anon:0 [ 40.654508] active_file:26 inactive_file:19 isolated_file:0 [ 40.654508] unevictable:0 dirty:0 writeback:0 unstable:0 [ 40.654508] slab_reclaimable:7286 slab_unreclaimable:83503 [ 40.654508] mapped:0 shmem:70 pagetables:306 bounce:0 [ 40.654508] free:24173 free_pcp:0 free_cma:0 [ 40.687785] Node 0 active_anon:16056kB inactive_anon:252kB active_file:0kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 40.715289] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 40.742229] lowmem_reserve[]: 0 2870 6381 6381 [ 40.746931] Node 0 DMA32 free:44080kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 40.774194] lowmem_reserve[]: 0 0 3510 3510 [ 40.778537] Node 0 Normal free:36752kB min:37084kB low:46352kB high:55620kB active_anon:16024kB inactive_anon:248kB active_file:20kB inactive_file:80kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3040kB pagetables:1224kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 40.807035] lowmem_reserve[]: 0 0 0 0 [ 40.810882] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 40.824514] Node 0 DMA32: 6*4kB (M) 5*8kB (UM) 7*16kB (UM) 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44080kB [ 40.839830] Node 0 Normal: 450*4kB (ME) 391*8kB (UME) 273*16kB (UME) 212*32kB (ME) 103*64kB (UM) 38*128kB (M) 30*256kB (M) 1*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 36752kB [ 40.855689] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 40.864258] 97 total pagecache pages [ 40.867986] 0 pages in swap cache [ 40.871454] Swap cache stats: add 0, delete 0, find 0/0 [ 40.876813] Free swap = 0kB [ 40.879830] Total swap = 0kB [ 40.882857] 1965979 pages RAM [ 40.885967] 0 pages HighMem/MovableOnly [ 40.889953] 327760 pages reserved [ 40.893414] Unreclaimable slab info: [ 40.897140] Name Used Total [ 40.902720] hashtab_node 118KB 119KB [ 40.908101] ebitmap_node 382KB 385KB [ 40.913478] avtab_node 1012KB 1013KB [ 40.918856] TIPC 1KB 7KB [ 40.924232] SCTPv6 2KB 4KB [ 40.929609] DCCPv6 2KB 7KB [ 40.934988] DCCP 2KB 6KB [ 40.940384] fib6_nodes 0KB 4KB [ 40.945760] ip6_dst_cache 11KB 11KB [ 40.951136] RAWv6 9KB 19KB [ 40.956516] UDPv6 12KB 14KB [ 40.961904] TCPv6 2KB 5KB [ 40.967297] sd_ext_cdb 0KB 3KB [ 40.972675] scsi_sense_cache 94KB 124KB [ 40.978051] virtio_scsi_cmd 16KB 16KB [ 40.983434] sgpool-128 8KB 8KB [ 40.988812] sgpool-64 4KB 6KB [ 40.994188] sgpool-32 149KB 149KB [ 40.999550] sgpool-16 37KB 37KB [ 41.004924] sgpool-8 180KB 180KB [ 41.010303] cfq_io_cq 16KB 19KB [ 41.015682] cfq_queue 25KB 27KB [ 41.021055] mqueue_inode_cache 1KB 7KB [ 41.026519] nfs_commit_data 3KB 7KB [ 41.031891] nfs_write_data 34KB 37KB [ 41.037267] jbd2_inode 1KB 3KB [ 41.042644] ext4_system_zone 0KB 3KB [ 41.048047] bio-1 1KB 3KB [ 41.053429] rpc_buffers 17KB 19KB [ 41.058803] rpc_tasks 2KB 3KB [ 41.064177] UNIX 780KB 780KB [ 41.069553] tcp_bind_bucket 0KB 4KB [ 41.074930] ip_fib_trie 0KB 3KB [ 41.080305] ip_fib_alias 0KB 3KB [ 41.085670] ip_dst_cache 4KB 7KB [ 41.091043] RAW 5KB 7KB [ 41.096450] UDP 29KB 31KB [ 41.102518] TCP 7KB 15KB [ 41.108650] hugetlbfs_inode_cache 1KB 7KB [ 41.115133] eventpoll_pwq 9KB 11KB [ 41.120524] eventpoll_epi 18KB 23KB [ 41.125900] inotify_inode_mark 3KB 7KB [ 41.131362] request_queue 42KB 113KB [ 41.136745] blkdev_ioc 22KB 23KB [ 41.142121] bio-0 322KB 322KB [ 41.147501] biovec-(1<<(21-12)) 462KB 462KB [ 41.153535] biovec-64 196KB 196KB [ 41.158900] biovec-16 30KB 30KB [ 41.164276] bio_integrity_payload 0KB 4KB [ 41.169996] khugepaged_mm_slot 0KB 3KB [ 41.175467] uid_cache 0KB 3KB [ 41.180842] dmaengine-unmap-2 0KB 3KB [ 41.186217] audit_buffer 0KB 3KB [ 41.191581] skbuff_fclone_cache 136KB 138KB [ 41.197128] skbuff_head_cache 1890KB 1890KB [ 41.202505] configfs_dir_cache 0KB 4KB [ 41.207970] file_lock_cache 164KB 166KB [ 41.213344] file_lock_ctx 1KB 3KB [ 41.218717] fsnotify_mark_connector 2KB 3KB [ 41.224610] shmem_inode_cache 1053KB 1054KB [ 41.229992] task_delay_info 317KB 332KB [ 41.235372] sigqueue 370KB 370KB [ 41.240750] kernfs_node_cache 2289KB 2295KB [ 41.246124] mnt_cache 15KB 20KB [ 41.251496] filp 8420KB 8846KB [ 41.256868] names_cache 111524KB 111554KB [ 41.262250] avc_node 37KB 39KB [ 41.267648] selinux_file_security 428KB 488KB [ 41.273374] selinux_inode_security 1944KB 1948KB [ 41.279182] key_jar 3KB 7KB [ 41.284546] nsproxy 0KB 3KB [ 41.289920] vm_area_struct 18597KB 18605KB [ 41.295321] mm_struct 4507KB 4515KB [ 41.300684] fs_cache 423KB 424KB [ 41.306056] files_cache 1588KB 1593KB [ 41.311434] signal_cache 2530KB 2537KB [ 41.316808] sighand_cache 217KB 333KB [ 41.322181] task_struct 10798KB 10804KB [ 41.327557] cred_jar 2347KB 2352KB [ 41.332933] anon_vma_chain 7792KB 7800KB [ 41.338306] anon_vma 140KB 338KB [ 41.343684] pid 220KB 244KB [ 41.349059] Acpi-Operand 106KB 170KB [ 41.354435] Acpi-State 0KB 3KB [ 41.359844] Acpi-Namespace 19KB 23KB [ 41.365221] numa_policy 0KB 3KB [ 41.370595] debug_objects_cache 469KB 469KB [ 41.376150] trace_event_file 144KB 147KB [ 41.381522] ftrace_event_field 254KB 255KB [ 41.386984] pool_workqueue 24KB 24KB [ 41.392363] page->ptl 3072KB 3075KB [ 41.397761] kmalloc-262144 1032KB 1032KB [ 41.403122] kmalloc-131072 650KB 650KB [ 41.408488] kmalloc-65536 264KB 264KB [ 41.413866] kmalloc-32768 825KB 825KB [ 41.419227] kmalloc-16384 181KB 181KB [ 41.424622] kmalloc-8192 470KB 470KB [ 41.430005] kmalloc-4096 7144KB 7174KB [ 41.435402] kmalloc-2048 3232KB 3232KB [ 41.440767] kmalloc-1024 3693KB 3693KB [ 41.446137] kmalloc-512 2759KB 2760KB [ 41.451517] kmalloc-256 1987KB 2490KB [ 41.456885] kmalloc-128 408KB 515KB [ 41.462253] kmalloc-96 2064KB 2064KB [ 41.467618] kmalloc-64 2468KB 2468KB [ 41.472988] kmalloc-32 2405KB 2405KB [ 41.478368] kmalloc-192 908KB 908KB [ 41.483747] kmem_cache 101KB 105KB [ 41.489112] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 41.497702] [ 1815] 0 1815 5366 168 90112 0 -1000 udevd [ 41.505861] [ 3494] 0 3494 14298 188 118784 0 0 rsyslogd [ 41.514284] [ 3540] 0 3540 4725 50 77824 0 0 cron [ 41.522363] [ 3567] 0 3567 3736 45 69632 0 0 mcstransd [ 41.530872] [ 3595] 0 3595 12490 153 143360 0 -1000 sshd [ 41.538948] [ 3619] 0 3619 3694 39 73728 0 0 getty [ 41.547111] [ 3620] 0 3620 3694 41 77824 0 0 getty [ 41.555255] [ 3621] 0 3621 3694 40 77824 0 0 getty [ 41.563411] [ 3622] 0 3622 3694 40 77824 0 0 getty [ 41.571573] [ 3623] 0 3623 3694 41 73728 0 0 getty [ 41.579726] [ 3624] 0 3624 3694 41 73728 0 0 getty [ 41.587886] [ 3625] 0 3625 3649 38 73728 0 0 getty [ 41.596051] [ 3629] 0 3629 5662 455 90112 0 -1000 udevd [ 41.604205] [ 3630] 0 3630 5662 455 90112 0 -1000 udevd [ 41.612362] [ 3646] 0 3646 17821 196 180224 0 0 sshd [ 41.620467] [ 3648] 0 3648 237 1 28672 0 0 syzkaller182529 [ 41.629501] [ 3649] 0 3649 4000 0 28672 0 0 syzkaller182529 [ 41.638531] [ 3650] 0 3650 4000 0 28672 0 0 syzkaller182529 [ 41.647548] [ 3651] 0 3651 4000 0 28672 0 0 syzkaller182529 [ 41.656575] [ 3652] 0 3652 4000 0 28672 0 0 syzkaller182529 [ 41.665620] [ 3653] 0 3653 4000 521 32768 0 0 syzkaller182529 [ 41.674652] [ 3654] 0 3654 4000 521 32768 0 0 syzkaller182529 [ 41.683665] [ 3655] 0 3655 4000 521 32768 0 0 syzkaller182529 [ 41.692717] [ 3656] 0 3656 4000 521 32768 0 0 syzkaller182529 [ 41.701745] Out of memory: Kill process 3653 (syzkaller182529) score 0 or sacrifice child [ 41.710076] Killed process 3653 (syzkaller182529) total-vm:16000kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 41.722668] oom_reaper: reaped process 3653 (syzkaller182529), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 41.734628] syzkaller182529 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 41.747768] syzkaller182529 cpuset=/ mems_allowed=0 [ 41.752889] CPU: 1 PID: 3656 Comm: syzkaller182529 Not tainted 4.15.0-rc8+ #179 [ 41.760325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.769662] Call Trace: [ 41.772228] dump_stack+0x194/0x257 [ 41.775839] ? arch_local_irq_restore+0x53/0x53 [ 41.780482] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 41.785652] dump_header+0x28c/0xe1e [ 41.789342] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 41.794501] ? print_irqtrace_events+0x270/0x270 [ 41.799231] ? pagefault_out_of_memory+0x152/0x152 [ 41.804130] ? check_noncircular+0x20/0x20 [ 41.808340] ? print_irqtrace_events+0x270/0x270 [ 41.813072] ? __lock_acquire+0x664/0x3e00 [ 41.817281] ? check_noncircular+0x20/0x20 [ 41.821493] ? find_held_lock+0x35/0x1d0 [ 41.825530] ? check_noncircular+0x20/0x20 [ 41.829736] ? task_will_free_mem+0x252/0xaa0 [ 41.834207] ? print_irqtrace_events+0x270/0x270 [ 41.838940] ? ___ratelimit+0x30d/0x630 [ 41.842888] ? lock_downgrade+0x980/0x980 [ 41.847016] ? lock_release+0xa40/0xa40 [ 41.850974] ? mark_held_locks+0xaf/0x100 [ 41.855116] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 41.860192] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.865180] ? trace_hardirqs_on+0xd/0x10 [ 41.869302] ? ___ratelimit+0x95/0x630 [ 41.873162] ? idr_get_free_cmn+0xfd0/0xfd0 [ 41.877455] ? check_noncircular+0x20/0x20 [ 41.881658] ? find_held_lock+0x138/0x1d0 [ 41.885793] oom_kill_process+0x8b5/0x14a0 [ 41.890015] ? has_ns_capability_noaudit+0x163/0x2a0 [ 41.895095] ? lock_downgrade+0x980/0x980 [ 41.899219] ? oom_evaluate_task+0x480/0x480 [ 41.903645] ? security_capable_noaudit+0x8b/0xc0 [ 41.908462] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 41.913537] ? has_capability+0x30/0x30 [ 41.917481] ? do_raw_spin_trylock+0x190/0x190 [ 41.922037] ? check_noncircular+0x20/0x20 [ 41.926257] ? has_capability_noaudit+0x24/0x30 [ 41.930899] ? oom_badness+0xd1/0x980 [ 41.934668] ? lock_release+0xa40/0xa40 [ 41.938626] ? do_try_to_free_pages+0xc53/0x1020 [ 41.943355] ? find_lock_task_mm+0x460/0x460 [ 41.947738] ? find_held_lock+0x35/0x1d0 [ 41.951778] ? out_of_memory+0xb3a/0x1220 [ 41.955896] ? lock_downgrade+0x980/0x980 [ 41.960026] ? lock_release+0xa40/0xa40 [ 41.963976] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 41.968884] ? oom_evaluate_task+0x284/0x480 [ 41.973267] out_of_memory+0x86d/0x1220 [ 41.977218] ? oom_killer_disable+0x310/0x310 [ 41.981683] ? mutex_trylock+0x23a/0x2d0 [ 41.985716] ? __lock_is_held+0xb6/0x140 [ 41.989750] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 41.995184] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 42.000044] ? warn_alloc+0x2b0/0x2b0 [ 42.003824] ? lock_release+0xa40/0xa40 [ 42.007775] ? print_irqtrace_events+0x270/0x270 [ 42.012509] ? find_held_lock+0x35/0x1d0 [ 42.016554] ? __mutex_lock+0x5bd/0x1a80 [ 42.020591] ? __lock_acquire+0x664/0x3e00 [ 42.024802] ? lock_release+0xa40/0xa40 [ 42.028755] ? do_raw_spin_trylock+0x190/0x190 [ 42.033317] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.038486] ? __lock_is_held+0xb6/0x140 [ 42.042530] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 42.048386] ? find_held_lock+0x35/0x1d0 [ 42.052437] ? __might_sleep+0x95/0x190 [ 42.056389] __alloc_pages_nodemask+0x9fb/0xd80 [ 42.061033] ? lock_release+0xa40/0xa40 [ 42.064986] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 42.069983] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 42.074890] ? print_irqtrace_events+0x270/0x270 [ 42.079623] ? __lock_is_held+0xb6/0x140 [ 42.083664] ? find_next_bit+0x27/0x30 [ 42.087528] pcpu_populate_chunk+0x1b3/0x880 [ 42.091918] pcpu_alloc+0x978/0x10e0 [ 42.095612] ? pcpu_free_area+0xa00/0xa00 [ 42.099733] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 42.104202] ? vmap_page_range_noflush+0x523/0x720 [ 42.109119] ? retint_kernel+0x10/0x10 [ 42.112980] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.117971] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.122705] ? retint_kernel+0x10/0x10 [ 42.126573] __alloc_percpu_gfp+0x27/0x30 [ 42.130695] array_map_alloc+0x794/0x990 [ 42.134737] SyS_bpf+0x7f8/0x4400 [ 42.138175] ? bpf_prog_get+0x20/0x20 [ 42.141950] ? __lock_acquire+0x664/0x3e00 [ 42.146165] ? perf_event_fork+0x30/0x30 [ 42.150204] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.155367] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.160534] ? vma_wants_writenotify+0x51/0x3b0 [ 42.165182] ? vma_wants_writenotify+0x3b0/0x3b0 [ 42.169919] ? vma_link+0xe9/0x170 [ 42.173435] ? mmap_region+0x52e/0x15a0 [ 42.177388] ? find_held_lock+0x35/0x1d0 [ 42.181420] ? check_noncircular+0x20/0x20 [ 42.185630] ? __handle_mm_fault+0x80e/0x3ce0 [ 42.190100] ? check_noncircular+0x20/0x20 [ 42.194304] ? __pmd_alloc+0x4e0/0x4e0 [ 42.198170] ? find_held_lock+0x35/0x1d0 [ 42.202208] ? handle_mm_fault+0x248/0x8d0 [ 42.206417] ? find_held_lock+0x35/0x1d0 [ 42.210468] ? __do_page_fault+0x5f7/0xc90 [ 42.214673] ? lock_downgrade+0x980/0x980 [ 42.218805] ? handle_mm_fault+0x410/0x8d0 [ 42.223011] ? down_read_trylock+0xdb/0x170 [ 42.227314] ? __do_page_fault+0x32d/0xc90 [ 42.231523] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 42.236084] ? vmacache_find+0x5f/0x280 [ 42.240038] ? vmacache_update+0xfe/0x130 [ 42.244165] ? up_read+0x1a/0x40 [ 42.247510] ? do_fast_syscall_32+0x156/0xf9d [ 42.251982] ? bpf_prog_get+0x20/0x20 [ 42.255757] do_fast_syscall_32+0x3ee/0xf9d [ 42.260057] ? do_int80_syscall_32+0x9d0/0x9d0 [ 42.264609] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.269341] ? syscall_return_slowpath+0x2ad/0x550 [ 42.274242] ? prepare_exit_to_usermode+0x340/0x340 [ 42.279229] ? retint_user+0x18/0x18 [ 42.282920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.287741] entry_SYSENTER_compat+0x54/0x63 [ 42.292120] RIP: 0023:0xf7f07c79 [ 42.295452] RSP: 002b:00000000ffd4758c EFLAGS: 00000286 ORIG_RAX: 0000000000000165 [ 42.303128] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000203dc000 [ 42.310366] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 42.317606] RBP: 00000000ffd475d8 R08: 0000000000000000 R09: 0000000000000000 [ 42.324845] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 42.332085] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.339453] Mem-Info: [ 42.342737] active_anon:3497 inactive_anon:63 isolated_anon:0 [ 42.342737] active_file:14 inactive_file:14 isolated_file:0 [ 42.342737] unevictable:0 dirty:0 writeback:0 unstable:0 [ 42.342737] slab_reclaimable:7286 slab_unreclaimable:83482 [ 42.342737] mapped:3 shmem:70 pagetables:305 bounce:0 [ 42.342737] free:22645 free_pcp:11 free_cma:0 [ 42.376185] Node 0 active_anon:13988kB inactive_anon:252kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 42.403061] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 42.429195] lowmem_reserve[]: 0 2870 6381 6381 [ 42.433801] Node 0 DMA32 free:44080kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 42.461086] lowmem_reserve[]: 0 0 3510 3510 [ 42.465432] Node 0 Normal free:30592kB min:37084kB low:46352kB high:55620kB active_anon:13956kB inactive_anon:248kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3040kB pagetables:1220kB bounce:0kB free_pcp:48kB local_pcp:4kB free_cma:0kB [ 42.494750] lowmem_reserve[]: 0 0 0 0 [ 42.498608] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 42.512251] Node 0 DMA32: 6*4kB (M) 5*8kB (UM) 7*16kB (UM) 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44080kB [ 42.527668] Node 0 Normal: 398*4kB (UME) 356*8kB (UME) 239*16kB (UME) 186*32kB (UME) 91*64kB (UM) 35*128kB (UM) 24*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30664kB [ 42.543279] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.551883] 98 total pagecache pages [ 42.555602] 0 pages in swap cache [ 42.559043] Swap cache stats: add 0, delete 0, find 0/0 [ 42.564391] Free swap = 0kB [ 42.567392] Total swap = 0kB [ 42.570397] 1965979 pages RAM [ 42.573486] 0 pages HighMem/MovableOnly [ 42.577444] 327760 pages reserved [ 42.580880] Unreclaimable slab info: [ 42.584578] Name Used Total [ 42.590110] hashtab_node 118KB 119KB [ 42.595467] ebitmap_node 382KB 385KB [ 42.600820] avtab_node 1012KB 1013KB [ 42.606177] TIPC 1KB 7KB [ 42.611534] SCTPv6 2KB 4KB [ 42.616891] DCCPv6 2KB 7KB [ 42.622244] DCCP 2KB 6KB [ 42.628070] fib6_nodes 0KB 4KB [ 42.633425] ip6_dst_cache 11KB 11KB [ 42.638777] RAWv6 9KB 19KB [ 42.644127] UDPv6 12KB 14KB [ 42.649485] TCPv6 2KB 5KB [ 42.654879] sd_ext_cdb 0KB 3KB [ 42.660234] scsi_sense_cache 102KB 124KB [ 42.665587] virtio_scsi_cmd 16KB 16KB [ 42.670937] sgpool-128 8KB 8KB [ 42.676287] sgpool-64 4KB 6KB [ 42.681636] sgpool-32 149KB 149KB [ 42.686982] sgpool-16 36KB 37KB [ 42.692332] sgpool-8 180KB 180KB [ 42.697689] cfq_io_cq 15KB 19KB [ 42.703038] cfq_queue 24KB 27KB [ 42.708392] mqueue_inode_cache 1KB 7KB [ 42.713831] nfs_commit_data 3KB 7KB [ 42.719186] nfs_write_data 34KB 37KB [ 42.724547] jbd2_inode 1KB 3KB [ 42.729899] ext4_system_zone 0KB 3KB [ 42.735254] bio-1 1KB 3KB [ 42.740608] rpc_buffers 17KB 19KB [ 42.745956] rpc_tasks 2KB 3KB [ 42.751350] UNIX 780KB 780KB [ 42.756720] tcp_bind_bucket 0KB 4KB [ 42.762658] ip_fib_trie 0KB 3KB [ 42.768050] ip_fib_alias 0KB 3KB [ 42.773413] ip_dst_cache 4KB 7KB [ 42.778781] RAW 5KB 7KB [ 42.784159] UDP 29KB 31KB [ 42.789521] TCP 7KB 15KB [ 42.794891] hugetlbfs_inode_cache 1KB 7KB [ 42.800612] eventpoll_pwq 9KB 11KB [ 42.805976] eventpoll_epi 18KB 23KB [ 42.811349] inotify_inode_mark 3KB 7KB [ 42.816794] request_queue 36KB 90KB [ 42.822159] blkdev_ioc 21KB 23KB [ 42.827524] bio-0 322KB 322KB [ 42.832891] biovec-(1<<(21-12)) 462KB 462KB [ 42.838443] biovec-64 196KB 196KB [ 42.843807] biovec-16 30KB 30KB [ 42.849177] bio_integrity_payload 0KB 4KB [ 42.854889] khugepaged_mm_slot 0KB 3KB [ 42.860338] uid_cache 0KB 3KB [ 42.865706] dmaengine-unmap-2 0KB 3KB [ 42.871068] audit_buffer 0KB 3KB [ 42.876441] skbuff_fclone_cache 136KB 138KB [ 42.881993] skbuff_head_cache 1890KB 1890KB [ 42.887353] configfs_dir_cache 0KB 4KB [ 42.892806] file_lock_cache 164KB 166KB [ 42.898951] file_lock_ctx 1KB 3KB [ 42.904333] fsnotify_mark_connector 2KB 3KB [ 42.910231] shmem_inode_cache 1053KB 1054KB [ 42.915606] task_delay_info 317KB 332KB [ 42.920968] sigqueue 368KB 370KB [ 42.926341] kernfs_node_cache 2289KB 2295KB [ 42.931705] mnt_cache 15KB 20KB [ 42.937079] filp 8385KB 8831KB [ 42.942439] names_cache 111507KB 111545KB [ 42.947813] avc_node 37KB 39KB [ 42.953311] selinux_file_security 424KB 488KB [ 42.959041] selinux_inode_security 1944KB 1948KB [ 42.964858] key_jar 3KB 7KB [ 42.970222] nsproxy 0KB 3KB [ 42.975593] vm_area_struct 18596KB 18605KB [ 42.980975] mm_struct 4507KB 4515KB [ 42.986673] fs_cache 423KB 424KB [ 42.992046] files_cache 1588KB 1593KB [ 42.997407] signal_cache 2530KB 2537KB [ 43.002778] sighand_cache 215KB 333KB [ 43.008156] task_struct 10798KB 10798KB [ 43.013535] cred_jar 2347KB 2352KB [ 43.018896] anon_vma_chain 7791KB 7800KB [ 43.024269] anon_vma 129KB 331KB [ 43.029630] pid 220KB 244KB [ 43.035851] Acpi-Operand 106KB 170KB [ 43.041233] Acpi-Namespace 19KB 23KB [ 43.046602] numa_policy 0KB 3KB [ 43.051976] debug_objects_cache 469KB 469KB [ 43.057503] trace_event_file 144KB 147KB [ 43.062869] ftrace_event_field 254KB 255KB [ 43.068328] pool_workqueue 24KB 24KB [ 43.073703] page->ptl 3072KB 3075KB [ 43.079076] kmalloc-262144 1032KB 1032KB [ 43.084440] kmalloc-131072 650KB 650KB [ 43.089818] kmalloc-65536 264KB 264KB [ 43.095177] kmalloc-32768 825KB 825KB [ 43.100545] kmalloc-16384 181KB 181KB [ 43.105920] kmalloc-8192 470KB 470KB [ 43.111279] kmalloc-4096 7127KB 7165KB [ 43.116669] kmalloc-2048 3232KB 3232KB [ 43.122052] kmalloc-1024 3701KB 3701KB [ 43.127430] kmalloc-512 2759KB 2760KB [ 43.132793] kmalloc-256 1967KB 2467KB [ 43.138163] kmalloc-128 407KB 515KB [ 43.143530] kmalloc-96 2064KB 2064KB [ 43.148901] kmalloc-64 2468KB 2468KB [ 43.154279] kmalloc-32 2403KB 2405KB [ 43.159655] kmalloc-192 912KB 912KB [ 43.165032] kmem_cache 101KB 105KB [ 43.170812] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 43.179421] [ 1815] 0 1815 5366 168 90112 0 -1000 udevd [ 43.187574] [ 3494] 0 3494 14298 188 118784 0 0 rsyslogd [ 43.195976] [ 3540] 0 3540 4725 50 77824 0 0 cron [ 43.204043] [ 3567] 0 3567 3736 45 69632 0 0 mcstransd [ 43.212550] [ 3595] 0 3595 12490 153 143360 0 -1000 sshd [ 43.220627] [ 3619] 0 3619 3694 39 73728 0 0 getty [ 43.228786] [ 3620] 0 3620 3694 41 77824 0 0 getty [ 43.236954] [ 3621] 0 3621 3694 40 77824 0 0 getty [ 43.245116] [ 3622] 0 3622 3694 40 77824 0 0 getty [ 43.253263] [ 3623] 0 3623 3694 41 73728 0 0 getty [ 43.261397] [ 3624] 0 3624 3694 41 73728 0 0 getty [ 43.269532] [ 3625] 0 3625 3649 38 73728 0 0 getty [ 43.277666] [ 3629] 0 3629 5662 455 90112 0 -1000 udevd [ 43.285801] [ 3630] 0 3630 5662 455 90112 0 -1000 udevd [ 43.293943] [ 3646] 0 3646 17821 196 180224 0 0 sshd [ 43.301991] [ 3648] 0 3648 237 1 28672 0 0 syzkaller182529 [ 43.311055] [ 3649] 0 3649 4000 0 28672 0 0 syzkaller182529 [ 43.320079] [ 3650] 0 3650 4000 0 28672 0 0 syzkaller182529 [ 43.329091] [ 3651] 0 3651 4000 0 28672 0 0 syzkaller182529 [ 43.338093] [ 3652] 0 3652 4000 0 28672 0 0 syzkaller182529 [ 43.347097] [ 3653] 0 3653 4000 0 28672 0 0 syzkaller182529 [ 43.356105] [ 3654] 0 3654 4000 521 32768 0 0 syzkaller182529 [ 43.365110] [ 3655] 0 3655 4000 521 32768 0 0 syzkaller182529 [ 43.374114] [ 3656] 0 3656 4000 521 32768 0 0 syzkaller182529 [ 43.383121] Out of memory: Kill process 3654 (syzkaller182529) score 0 or sacrifice child [ 43.391481] Killed process 3654 (syzkaller182529) total-vm:16000kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 43.403664] oom_reaper: reaped process 3654 (syzkaller182529), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.414910] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 43.426732] udevd cpuset=/ mems_allowed=0 [ 43.430921] CPU: 1 PID: 1815 Comm: udevd Not tainted 4.15.0-rc8+ #179 [ 43.437490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.446822] Call Trace: [ 43.449393] dump_stack+0x194/0x257 [ 43.453014] ? arch_local_irq_restore+0x53/0x53 [ 43.457673] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.462861] dump_header+0x28c/0xe1e [ 43.466566] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.471749] ? pagefault_out_of_memory+0x152/0x152 [ 43.476667] ? check_noncircular+0x20/0x20 [ 43.480887] ? print_irqtrace_events+0x270/0x270 [ 43.485629] ? __lock_acquire+0x664/0x3e00 [ 43.489846] ? check_noncircular+0x20/0x20 [ 43.494073] ? find_held_lock+0x35/0x1d0 [ 43.498129] ? check_noncircular+0x20/0x20 [ 43.502345] ? task_will_free_mem+0x252/0xaa0 [ 43.506839] ? print_irqtrace_events+0x270/0x270 [ 43.511594] ? ___ratelimit+0x30d/0x630 [ 43.515557] ? lock_downgrade+0x980/0x980 [ 43.519689] ? lock_release+0xa40/0xa40 [ 43.523665] ? mark_held_locks+0xaf/0x100 [ 43.527801] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 43.532894] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.537896] ? trace_hardirqs_on+0xd/0x10 [ 43.542031] ? ___ratelimit+0x95/0x630 [ 43.545907] ? idr_get_free_cmn+0xfd0/0xfd0 [ 43.550223] ? check_noncircular+0x20/0x20 [ 43.554445] ? find_held_lock+0x138/0x1d0 [ 43.558583] oom_kill_process+0x8b5/0x14a0 [ 43.562805] ? has_ns_capability_noaudit+0x163/0x2a0 [ 43.567890] ? lock_downgrade+0x980/0x980 [ 43.572028] ? oom_evaluate_task+0x480/0x480 [ 43.576434] ? security_capable_noaudit+0x8b/0xc0 [ 43.581264] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 43.586355] ? has_capability+0x30/0x30 [ 43.590318] ? do_raw_spin_trylock+0x190/0x190 [ 43.594880] ? check_noncircular+0x20/0x20 [ 43.599107] ? has_capability_noaudit+0x24/0x30 [ 43.603760] ? oom_badness+0xd1/0x980 [ 43.607539] ? lock_release+0xa40/0xa40 [ 43.611502] ? do_try_to_free_pages+0xc53/0x1020 [ 43.616251] ? find_lock_task_mm+0x460/0x460 [ 43.620667] ? find_held_lock+0x35/0x1d0 [ 43.624719] ? out_of_memory+0xb3a/0x1220 [ 43.628847] ? lock_downgrade+0x980/0x980 [ 43.632990] ? lock_release+0xa40/0xa40 [ 43.636941] ? lock_acquire+0x1d5/0x580 [ 43.640897] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 43.645818] ? oom_evaluate_task+0x284/0x480 [ 43.650218] out_of_memory+0x86d/0x1220 [ 43.654181] ? oom_killer_disable+0x310/0x310 [ 43.658654] ? mutex_trylock+0x23a/0x2d0 [ 43.662703] ? __lock_is_held+0xb6/0x140 [ 43.666746] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.672181] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 43.677016] ? trace_hardirqs_on+0xd/0x10 [ 43.681164] ? warn_alloc+0x2b0/0x2b0 [ 43.684937] ? lock_downgrade+0x980/0x980 [ 43.689081] ? radix_tree_lookup_slot+0x99/0xe0 [ 43.693743] ? find_get_entry+0x53c/0x9e0 [ 43.697911] ? __lock_acquire+0x664/0x3e00 [ 43.702138] ? __lock_is_held+0xb6/0x140 [ 43.706204] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.712091] ? __might_sleep+0x95/0x190 [ 43.716063] __alloc_pages_nodemask+0x9fb/0xd80 [ 43.720721] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 43.725722] ? add_to_page_cache_lru+0x510/0x510 [ 43.730477] ? check_noncircular+0x20/0x20 [ 43.734697] ? check_noncircular+0x20/0x20 [ 43.738922] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 43.743670] alloc_pages_current+0xb6/0x1e0 [ 43.747972] __page_cache_alloc+0x334/0x500 [ 43.752264] ? rcu_read_lock_held+0xa9/0xc0 [ 43.756558] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 43.763908] filemap_fault+0xefc/0x1c20 [ 43.767858] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.773025] ? __lock_page_or_retry+0x4f0/0x4f0 [ 43.777671] ? filemap_map_pages+0x942/0x15d0 [ 43.782151] ? find_get_entries_tag+0xeb0/0xeb0 [ 43.786796] ? __unlock_page_memcg+0x72/0x100 [ 43.791265] ? check_noncircular+0x20/0x20 [ 43.795483] ? page_add_file_rmap+0x5b7/0xa90 [ 43.799951] ? print_irqtrace_events+0x270/0x270 [ 43.804684] ? print_irqtrace_events+0x270/0x270 [ 43.809413] ? print_irqtrace_events+0x270/0x270 [ 43.814142] ? do_raw_spin_trylock+0x190/0x190 [ 43.818703] ? lock_acquire+0x1d5/0x580 [ 43.822647] ? lock_acquire+0x1d5/0x580 [ 43.826593] ? ext4_filemap_fault+0x7a/0xad [ 43.830886] ? __lock_acquire+0x664/0x3e00 [ 43.835097] ? lock_release+0xa40/0xa40 [ 43.839045] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.844906] ? rcu_note_context_switch+0x710/0x710 [ 43.849827] ? __might_sleep+0x95/0x190 [ 43.853799] ? down_read+0x96/0x150 [ 43.857413] ? ext4_filemap_fault+0x7a/0xad [ 43.861724] ? __down_interruptible+0x6b0/0x6b0 [ 43.866394] ext4_filemap_fault+0x82/0xad [ 43.870528] __do_fault+0xeb/0x30f [ 43.874062] ? pte_offset_kernel+0xc7/0xc7 [ 43.878281] ? do_raw_spin_trylock+0x190/0x190 [ 43.882857] ? check_noncircular+0x20/0x20 [ 43.887086] __handle_mm_fault+0x1d8f/0x3ce0 [ 43.891488] ? __pmd_alloc+0x4e0/0x4e0 [ 43.895365] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.900115] ? find_held_lock+0x35/0x1d0 [ 43.904176] ? handle_mm_fault+0x248/0x8d0 [ 43.908394] ? lock_downgrade+0x980/0x980 [ 43.912565] handle_mm_fault+0x334/0x8d0 [ 43.916613] ? down_read_trylock+0xdb/0x170 [ 43.920915] ? __do_page_fault+0x32d/0xc90 [ 43.925132] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 43.929695] ? vmacache_find+0x5f/0x280 [ 43.933659] ? find_vma+0x30/0x150 [ 43.937194] __do_page_fault+0x5c9/0xc90 [ 43.941246] ? mm_fault_error+0x2c0/0x2c0 [ 43.945369] ? __fdget+0x18/0x20 [ 43.948740] do_page_fault+0xee/0x720 [ 43.952532] ? __do_page_fault+0xc90/0xc90 [ 43.956751] ? __sb_end_write+0xa0/0xd0 [ 43.960710] ? vfs_write+0x224/0x510 [ 43.964426] ? retint_user+0x18/0x18 [ 43.968123] ? page_fault+0x36/0x60 [ 43.971724] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.976553] ? page_fault+0x36/0x60 [ 43.980161] page_fault+0x4c/0x60 [ 43.983585] RIP: 0033:0x7f71f4f0a9d3 [ 43.987272] RSP: 002b:00007ffed986b9e8 EFLAGS: 00010293 [ 43.992619] RAX: 0000000002318d10 RBX: 0000000002318bf0 RCX: 0000000000000001 [ 43.999865] RDX: 0000000000000008 RSI: 0000000002318d08 RDI: 0000000002318d10 [ 44.007119] RBP: 0000000002314d00 R08: 00302e79726f7461 R09: 0000000000000000 [ 44.014370] R10: 00007f71f4ef7dc0 R11: 00007f71f4f39dd0 R12: 0000000000000008 [ 44.021625] R13: 000000000041d8bd R14: 0000000000000001 R15: 00007ffed986bf74 [ 44.028958] Mem-Info: [ 44.031769] active_anon:2980 inactive_anon:63 isolated_anon:0 [ 44.031769] active_file:14 inactive_file:14 isolated_file:0 [ 44.031769] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.031769] slab_reclaimable:7286 slab_unreclaimable:83472 [ 44.031769] mapped:3 shmem:70 pagetables:304 bounce:0 [ 44.031769] free:23179 free_pcp:19 free_cma:0 [ 44.063815] Node 0 active_anon:11920kB inactive_anon:252kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 44.090728] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.116882] lowmem_reserve[]: 0 2870 6381 6381 [ 44.121493] Node 0 DMA32 free:44080kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.148735] lowmem_reserve[]: 0 0 3510 3510 [ 44.153081] Node 0 Normal free:32728kB min:37084kB low:46352kB high:55620kB active_anon:11888kB inactive_anon:248kB active_file:48kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3040kB pagetables:1216kB bounce:0kB free_pcp:76kB local_pcp:32kB free_cma:0kB [ 44.182297] lowmem_reserve[]: 0 0 0 0 [ 44.186144] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 44.199777] Node 0 DMA32: 6*4kB (M) 5*8kB (UM) 7*16kB (UM) 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44080kB [ 44.215114] Node 0 Normal: 398*4kB (UME) 358*8kB (UME) 239*16kB (UME) 186*32kB (UME) 91*64kB (UM) 35*128kB (UM) 24*256kB (UM) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 32728kB [ 44.230935] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.239523] 98 total pagecache pages [ 44.243255] 0 pages in swap cache [ 44.246718] Swap cache stats: add 0, delete 0, find 0/0 [ 44.252086] Free swap = 0kB [ 44.255111] Total swap = 0kB [ 44.258136] 1965979 pages RAM [ 44.261248] 0 pages HighMem/MovableOnly [ 44.265215] 327760 pages reserved [ 44.268655] Unreclaimable slab info: [ 44.272367] Name Used Total [ 44.277903] hashtab_node 118KB 119KB [ 44.283256] ebitmap_node 382KB 385KB [ 44.288624] avtab_node 1012KB 1013KB [ 44.294004] TIPC 1KB 7KB [ 44.299401] SCTPv6 2KB 4KB [ 44.304764] DCCPv6 2KB 7KB [ 44.310127] DCCP 2KB 6KB [ 44.316301] fib6_nodes 0KB 4KB [ 44.321678] ip6_dst_cache 7KB 11KB [ 44.327052] RAWv6 9KB 19KB [ 44.332427] UDPv6 12KB 14KB [ 44.337790] TCPv6 2KB 5KB [ 44.343176] sd_ext_cdb 0KB 3KB [ 44.348549] scsi_sense_cache 99KB 124KB [ 44.353924] virtio_scsi_cmd 16KB 16KB [ 44.359299] sgpool-128 8KB 8KB [ 44.364660] sgpool-64 4KB 6KB [ 44.370040] sgpool-32 147KB 149KB [ 44.375424] sgpool-16 35KB 37KB [ 44.380799] sgpool-8 179KB 180KB [ 44.386193] cfq_io_cq 15KB 19KB [ 44.391555] cfq_queue 24KB 27KB [ 44.396937] mqueue_inode_cache 1KB 7KB [ 44.402399] nfs_commit_data 3KB 7KB [ 44.407774] nfs_write_data 34KB 37KB [ 44.413154] jbd2_inode 1KB 3KB [ 44.418515] ext4_system_zone 0KB 3KB [ 44.423896] bio-1 1KB 3KB [ 44.429278] rpc_buffers 17KB 19KB [ 44.434650] rpc_tasks 2KB 3KB [ 44.440035] UNIX 780KB 780KB [ 44.445397] tcp_bind_bucket 0KB 4KB [ 44.451430] ip_fib_trie 0KB 3KB [ 44.456806] ip_fib_alias 0KB 3KB [ 44.462183] ip_dst_cache 4KB 7KB [ 44.467559] RAW 5KB 7KB [ 44.472919] UDP 29KB 31KB [ 44.478271] TCP 7KB 15KB [ 44.483642] hugetlbfs_inode_cache 1KB 7KB [ 44.489367] eventpoll_pwq 9KB 11KB [ 44.494742] eventpoll_epi 18KB 23KB [ 44.500118] inotify_inode_mark 3KB 7KB [ 44.505566] request_queue 36KB 90KB [ 44.510938] blkdev_ioc 21KB 23KB [ 44.516316] bio-0 321KB 322KB [ 44.521690] biovec-(1<<(21-12)) 462KB 462KB [ 44.527238] biovec-64 196KB 196KB [ 44.532601] biovec-16 26KB 30KB [ 44.537971] bio_integrity_payload 0KB 4KB [ 44.543698] khugepaged_mm_slot 0KB 3KB [ 44.549166] uid_cache 0KB 3KB [ 44.554540] dmaengine-unmap-2 0KB 3KB [ 44.559901] audit_buffer 0KB 3KB [ 44.565253] skbuff_fclone_cache 136KB 138KB [ 44.570804] skbuff_head_cache 1890KB 1890KB [ 44.576184] configfs_dir_cache 0KB 4KB [ 44.581646] file_lock_cache 164KB 166KB [ 44.587809] file_lock_ctx 1KB 3KB [ 44.593192] fsnotify_mark_connector 2KB 3KB [ 44.599089] shmem_inode_cache 1053KB 1054KB [ 44.604450] task_delay_info 317KB 332KB [ 44.609820] sigqueue 368KB 370KB [ 44.615199] kernfs_node_cache 2289KB 2295KB [ 44.620575] mnt_cache 15KB 20KB [ 44.625937] filp 8384KB 8831KB [ 44.631289] names_cache 111503KB 111541KB [ 44.636662] avc_node 37KB 39KB [ 44.642037] selinux_file_security 423KB 488KB [ 44.647761] selinux_inode_security 1944KB 1948KB [ 44.653569] key_jar 3KB 7KB [ 44.658930] nsproxy 0KB 3KB [ 44.664281] vm_area_struct 18595KB 18605KB [ 44.669648] mm_struct 4507KB 4515KB [ 44.675035] fs_cache 423KB 424KB [ 44.680412] files_cache 1588KB 1593KB [ 44.685773] signal_cache 2530KB 2537KB [ 44.691129] sighand_cache 212KB 333KB [ 44.696495] task_struct 10798KB 10798KB [ 44.701879] cred_jar 2347KB 2352KB [ 44.707303] anon_vma_chain 7791KB 7800KB [ 44.712661] anon_vma 127KB 331KB [ 44.718042] pid 220KB 244KB [ 44.724203] Acpi-Operand 106KB 170KB [ 44.729579] Acpi-Namespace 19KB 23KB [ 44.734955] numa_policy 0KB 3KB [ 44.740330] debug_objects_cache 469KB 469KB [ 44.745868] trace_event_file 144KB 147KB [ 44.751225] ftrace_event_field 254KB 255KB [ 44.756681] pool_workqueue 24KB 24KB [ 44.762057] page->ptl 3072KB 3075KB [ 44.767468] kmalloc-262144 1032KB 1032KB [ 44.772841] kmalloc-131072 650KB 650KB [ 44.778195] kmalloc-65536 264KB 264KB [ 44.783561] kmalloc-32768 825KB 825KB [ 44.788937] kmalloc-16384 181KB 181KB [ 44.794312] kmalloc-8192 470KB 470KB [ 44.799671] kmalloc-4096 7123KB 7161KB [ 44.805037] kmalloc-2048 3232KB 3232KB [ 44.810415] kmalloc-1024 3699KB 3701KB [ 44.815792] kmalloc-512 2758KB 2760KB [ 44.821168] kmalloc-256 1965KB 2467KB [ 44.826528] kmalloc-128 407KB 515KB [ 44.831900] kmalloc-96 2063KB 2064KB [ 44.837275] kmalloc-64 2466KB 2468KB [ 44.842648] kmalloc-32 2402KB 2405KB [ 44.848033] kmalloc-192 911KB 912KB [ 44.853402] kmem_cache 101KB 105KB [ 44.859380] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 44.867991] [ 1815] 0 1815 5366 168 90112 0 -1000 udevd [ 44.876160] [ 3494] 0 3494 14298 188 118784 0 0 rsyslogd [ 44.884581] [ 3540] 0 3540 4725 50 77824 0 0 cron [ 44.892640] [ 3567] 0 3567 3736 45 69632 0 0 mcstransd [ 44.901130] [ 3595] 0 3595 12490 153 143360 0 -1000 sshd [ 44.909196] [ 3619] 0 3619 3694 39 73728 0 0 getty [ 44.917357] [ 3620] 0 3620 3694 41 77824 0 0 getty [ 44.925503] [ 3621] 0 3621 3694 40 77824 0 0 getty [ 44.933659] [ 3622] 0 3622 3694 40 77824 0 0 getty [ 44.941807] [ 3623] 0 3623 3694 41 73728 0 0 getty [ 44.949944] [ 3624] 0 3624 3694 41 73728 0 0 getty [ 44.958099] [ 3625] 0 3625 3649 38 73728 0 0 getty [ 44.966263] [ 3629] 0 3629 5662 455 90112 0 -1000 udevd [ 44.974421] [ 3630] 0 3630 5662 455 90112 0 -1000 udevd [ 44.982727] [ 3646] 0 3646 17821 196 180224 0 0 sshd [ 44.991436] [ 3648] 0 3648 237 1 28672 0 0 syzkaller182529 [ 45.000466] [ 3649] 0 3649 4000 0 28672 0 0 syzkaller182529 [ 45.009494] [ 3650] 0 3650 4000 0 28672 0 0 syzkaller182529 [ 45.018529] [ 3651] 0 3651 4000 0 28672 0 0 syzkaller182529 [ 45.027565] [ 3652] 0 3652 4000 0 28672 0 0 syzkaller182529 [ 45.036597] [ 3653] 0 3653 4000 0 28672 0 0 syzkaller182529 [ 45.045623] [ 3654] 0 3654 4000 0 28672 0 0 syzkaller182529 [ 45.054653] [ 3655] 0 3655 4000 521 32768 0 0 syzkaller182529 [ 45.063683] [ 3656] 0 3656 4000 521 32768 0 0 syzkaller182529 [ 45.072707] Out of memory: Kill process 3655 (syzkaller182529) score 0 or sacrifice child [ 45.081847] Killed process 3655 (syzkaller182529) total-vm:16000kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 45.094173] oom_reaper: reaped process 3655 (syzkaller182529), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 45.104633] syzkaller182529 invoked oom-killer: gfp_mask=0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null), order=0, oom_score_adj=0 [ 45.117779] syzkaller182529 cpuset=/ mems_allowed=0 [ 45.122845] CPU: 0 PID: 3656 Comm: syzkaller182529 Not tainted 4.15.0-rc8+ #179 [ 45.130268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.139603] Call Trace: [ 45.142166] dump_stack+0x194/0x257 [ 45.145766] ? arch_local_irq_restore+0x53/0x53 [ 45.150663] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.155831] dump_header+0x28c/0xe1e [ 45.159527] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.164684] ? print_irqtrace_events+0x270/0x270 [ 45.169415] ? pagefault_out_of_memory+0x152/0x152 [ 45.174316] ? check_noncircular+0x20/0x20 [ 45.178529] ? print_irqtrace_events+0x270/0x270 [ 45.183263] ? __lock_acquire+0x664/0x3e00 [ 45.187476] ? check_noncircular+0x20/0x20 [ 45.191690] ? find_held_lock+0x35/0x1d0 [ 45.195730] ? check_noncircular+0x20/0x20 [ 45.199939] ? task_will_free_mem+0x252/0xaa0 [ 45.204409] ? print_irqtrace_events+0x270/0x270 [ 45.209142] ? ___ratelimit+0x30d/0x630 [ 45.213087] ? lock_downgrade+0x980/0x980 [ 45.217208] ? lock_release+0xa40/0xa40 [ 45.221157] ? mark_held_locks+0xaf/0x100 [ 45.225280] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 45.230358] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.235347] ? trace_hardirqs_on+0xd/0x10 [ 45.239470] ? ___ratelimit+0x95/0x630 [ 45.243331] ? idr_get_free_cmn+0xfd0/0xfd0 [ 45.247624] ? check_noncircular+0x20/0x20 [ 45.251830] ? find_held_lock+0x138/0x1d0 [ 45.255955] oom_kill_process+0x8b5/0x14a0 [ 45.260165] ? has_ns_capability_noaudit+0x163/0x2a0 [ 45.265240] ? lock_downgrade+0x980/0x980 [ 45.269373] ? oom_evaluate_task+0x480/0x480 [ 45.273767] ? security_capable_noaudit+0x8b/0xc0 [ 45.278584] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 45.283659] ? has_capability+0x30/0x30 [ 45.287606] ? do_raw_spin_trylock+0x190/0x190 [ 45.292160] ? check_noncircular+0x20/0x20 [ 45.296375] ? has_capability_noaudit+0x24/0x30 [ 45.301024] ? oom_badness+0xd1/0x980 [ 45.304798] ? lock_release+0xa40/0xa40 [ 45.308742] ? do_try_to_free_pages+0xc53/0x1020 [ 45.313468] ? find_lock_task_mm+0x460/0x460 [ 45.317854] ? find_held_lock+0x35/0x1d0 [ 45.321894] ? out_of_memory+0xb3a/0x1220 [ 45.326018] ? lock_downgrade+0x980/0x980 [ 45.330153] ? lock_release+0xa40/0xa40 [ 45.334108] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 45.339024] ? oom_evaluate_task+0x284/0x480 [ 45.343413] out_of_memory+0x86d/0x1220 [ 45.347365] ? oom_killer_disable+0x310/0x310 [ 45.351831] ? mutex_trylock+0x23a/0x2d0 [ 45.355864] ? __lock_is_held+0xb6/0x140 [ 45.359898] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 45.365333] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 45.370170] ? warn_alloc+0x2b0/0x2b0 [ 45.373946] ? lock_release+0xa40/0xa40 [ 45.377898] ? print_irqtrace_events+0x270/0x270 [ 45.382646] ? find_held_lock+0x35/0x1d0 [ 45.386694] ? __mutex_lock+0x5bd/0x1a80 [ 45.390731] ? __lock_acquire+0x664/0x3e00 [ 45.394938] ? lock_release+0xa40/0xa40 [ 45.398889] ? do_raw_spin_trylock+0x190/0x190 [ 45.403449] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.408617] ? __lock_is_held+0xb6/0x140 [ 45.412662] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 45.418523] ? find_held_lock+0x35/0x1d0 [ 45.422565] ? __might_sleep+0x95/0x190 [ 45.426517] __alloc_pages_nodemask+0x9fb/0xd80 [ 45.431159] ? lock_release+0xa40/0xa40 [ 45.435117] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 45.440115] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 45.445029] ? print_irqtrace_events+0x270/0x270 [ 45.449768] ? __lock_is_held+0xb6/0x140 [ 45.453810] ? find_next_bit+0x27/0x30 [ 45.457675] pcpu_populate_chunk+0x1b3/0x880 [ 45.462066] pcpu_alloc+0x978/0x10e0 [ 45.465761] ? pcpu_free_area+0xa00/0xa00 [ 45.469879] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 45.474348] ? vmap_page_range_noflush+0x523/0x720 [ 45.479267] ? retint_kernel+0x10/0x10 [ 45.483128] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.488120] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 45.492865] ? retint_kernel+0x10/0x10 [ 45.496747] __alloc_percpu_gfp+0x27/0x30 [ 45.500872] array_map_alloc+0x794/0x990 [ 45.504927] SyS_bpf+0x7f8/0x4400 [ 45.508356] ? bpf_prog_get+0x20/0x20 [ 45.512127] ? __lock_acquire+0x664/0x3e00 [ 45.516341] ? perf_event_fork+0x30/0x30 [ 45.520380] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.525541] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.530704] ? vma_wants_writenotify+0x51/0x3b0 [ 45.535350] ? vma_wants_writenotify+0x3b0/0x3b0 [ 45.540081] ? vma_link+0xe9/0x170 [ 45.543599] ? mmap_region+0x52e/0x15a0 [ 45.547557] ? find_held_lock+0x35/0x1d0 [ 45.551591] ? check_noncircular+0x20/0x20 [ 45.555801] ? __handle_mm_fault+0x80e/0x3ce0 [ 45.560272] ? check_noncircular+0x20/0x20 [ 45.564480] ? __pmd_alloc+0x4e0/0x4e0 [ 45.568346] ? find_held_lock+0x35/0x1d0 [ 45.572387] ? handle_mm_fault+0x248/0x8d0 [ 45.576598] ? find_held_lock+0x35/0x1d0 [ 45.580639] ? __do_page_fault+0x5f7/0xc90 [ 45.584844] ? lock_downgrade+0x980/0x980 [ 45.588975] ? handle_mm_fault+0x410/0x8d0 [ 45.593178] ? down_read_trylock+0xdb/0x170 [ 45.597473] ? __do_page_fault+0x32d/0xc90 [ 45.601680] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 45.606232] ? vmacache_find+0x5f/0x280 [ 45.610183] ? vmacache_update+0xfe/0x130 [ 45.614310] ? up_read+0x1a/0x40 [ 45.617659] ? do_fast_syscall_32+0x156/0xf9d [ 45.622126] ? bpf_prog_get+0x20/0x20 [ 45.625901] do_fast_syscall_32+0x3ee/0xf9d [ 45.630200] ? do_int80_syscall_32+0x9d0/0x9d0 [ 45.634755] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 45.639494] ? syscall_return_slowpath+0x2ad/0x550 [ 45.644393] ? prepare_exit_to_usermode+0x340/0x340 [ 45.649384] ? retint_user+0x18/0x18 [ 45.653073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.657891] entry_SYSENTER_compat+0x54/0x63 [ 45.662271] RIP: 0023:0xf7f07c79 [ 45.665604] RSP: 002b:00000000ffd4758c EFLAGS: 00000286 ORIG_RAX: 0000000000000165 [ 45.673284] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000203dc000 [ 45.680531] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 45.687774] RBP: 00000000ffd475d8 R08: 0000000000000000 R09: 0000000000000000 [ 45.695024] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 45.702271] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 45.709583] Mem-Info: [ 45.712043] active_anon:2468 inactive_anon:63 isolated_anon:0 [ 45.712043] active_file:14 inactive_file:14 isolated_file:0 [ 45.712043] unevictable:0 dirty:0 writeback:0 unstable:0 [ 45.712043] slab_reclaimable:7286 slab_unreclaimable:83472 [ 45.712043] mapped:3 shmem:70 pagetables:304 bounce:0 [ 45.712043] free:23691 free_pcp:25 free_cma:0 [ 45.744321] Node 0 active_anon:9852kB inactive_anon:252kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 45.771147] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.797301] lowmem_reserve[]: 0 2870 6381 6381 [ 45.801914] Node 0 DMA32 free:44080kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.829175] lowmem_reserve[]: 0 0 3510 3510 [ 45.833544] Node 0 Normal free:34776kB min:37084kB low:46352kB high:55620kB active_anon:9820kB inactive_anon:248kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3040kB pagetables:1212kB bounce:0kB free_pcp:100kB local_pcp:68kB free_cma:0kB [ 45.862218] lowmem_reserve[]: 0 0 0 0 [ 45.866071] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 45.879720] Node 0 DMA32: 6*4kB (M) 5*8kB (UM) 7*16kB (UM) 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44080kB [ 45.895105] Node 0 Normal: 398*4kB (UME) 358*8kB (UME) 239*16kB (UME) 186*32kB (UME) 91*64kB (UM) 35*128kB (UM) 24*256kB (UM) 0*512kB 0*1024kB 2*2048kB (M) 0*4096kB = 34776kB [ 45.910867] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 45.919449] 98 total pagecache pages [ 45.923182] 0 pages in swap cache [ 45.926659] Swap cache stats: add 0, delete 0, find 0/0 [ 45.932027] Free swap = 0kB [ 45.935058] Total swap = 0kB [ 45.938079] 1965979 pages RAM [ 45.941183] 0 pages HighMem/MovableOnly [ 45.945165] 327760 pages reserved [ 45.948626] Unreclaimable slab info: [ 45.952336] Name Used Total [ 45.957877] hashtab_node 118KB 119KB [ 45.963255] ebitmap_node 382KB 385KB [ 45.968633] avtab_node 1012KB 1013KB [ 45.974038] TIPC 1KB 7KB [ 45.979417] SCTPv6 2KB 4KB [ 45.984780] DCCPv6 2KB 7KB [ 45.990159] DCCP 2KB 6KB [ 45.995531] fib6_nodes 0KB 4KB [ 46.000898] ip6_dst_cache 6KB 11KB [ 46.006278] RAWv6 9KB 19KB [ 46.011654] UDPv6 12KB 14KB [ 46.017035] TCPv6 2KB 5KB [ 46.022428] sd_ext_cdb 0KB 3KB [ 46.027787] scsi_sense_cache 98KB 124KB [ 46.033157] virtio_scsi_cmd 16KB 16KB [ 46.038539] sgpool-128 8KB 8KB [ 46.043902] sgpool-64 4KB 6KB [ 46.049320] sgpool-32 146KB 149KB [ 46.054705] sgpool-16 35KB 37KB [ 46.060066] sgpool-8 178KB 180KB [ 46.065435] cfq_io_cq 15KB 19KB [ 46.070807] cfq_queue 24KB 27KB [ 46.076171] mqueue_inode_cache 1KB 7KB [ 46.081624] nfs_commit_data 3KB 7KB [ 46.087004] nfs_write_data 34KB 37KB [ 46.092404] jbd2_inode 1KB 3KB [ 46.097783] ext4_system_zone 0KB 3KB [ 46.103170] bio-1 1KB 3KB [ 46.108556] rpc_buffers 17KB 19KB [ 46.113932] rpc_tasks 2KB 3KB [ 46.119307] UNIX 780KB 780KB [ 46.124679] tcp_bind_bucket 0KB 4KB [ 46.130057] ip_fib_trie 0KB 3KB [ 46.135431] ip_fib_alias 0KB 3KB [ 46.140807] ip_dst_cache 4KB 7KB [ 46.146168] RAW 5KB 7KB [ 46.151534] UDP 29KB 31KB [ 46.156912] TCP 7KB 15KB [ 46.162288] hugetlbfs_inode_cache 1KB 7KB [ 46.168037] eventpoll_pwq 9KB 11KB [ 46.173412] eventpoll_epi 18KB 23KB [ 46.178793] inotify_inode_mark 3KB 7KB [ 46.184269] request_queue 36KB 90KB [ 46.189649] blkdev_ioc 21KB 23KB [ 46.195043] bio-0 320KB 322KB [ 46.200422] biovec-(1<<(21-12)) 462KB 462KB [ 46.205978] biovec-64 196KB 196KB [ 46.211352] biovec-16 26KB 30KB [ 46.216723] bio_integrity_payload 0KB 4KB [ 46.222447] khugepaged_mm_slot 0KB 3KB [ 46.227911] uid_cache 0KB 3KB [ 46.233286] dmaengine-unmap-2 0KB 3KB [ 46.238667] audit_buffer 0KB 3KB [ 46.244037] skbuff_fclone_cache 136KB 138KB [ 46.249604] skbuff_head_cache 1890KB 1890KB [ 46.254966] configfs_dir_cache 0KB 4KB [ 46.260421] file_lock_cache 164KB 166KB [ 46.265799] file_lock_ctx 1KB 3KB [ 46.271172] fsnotify_mark_connector 2KB 3KB [ 46.277072] shmem_inode_cache 1053KB 1054KB [ 46.282435] task_delay_info 316KB 332KB [ 46.287801] sigqueue 368KB 370KB [ 46.293176] kernfs_node_cache 2289KB 2295KB [ 46.298542] mnt_cache 15KB 20KB [ 46.303913] filp 8383KB 8831KB [ 46.309286] names_cache 111503KB 111541KB [ 46.314654] avc_node 37KB 39KB [ 46.320036] selinux_file_security 423KB 488KB [ 46.325744] selinux_inode_security 1944KB 1948KB [ 46.331533] key_jar 3KB 7KB [ 46.336899] nsproxy 0KB 3KB [ 46.342275] vm_area_struct 18595KB 18605KB [ 46.347636] mm_struct 4507KB 4515KB [ 46.353032] fs_cache 423KB 424KB [ 46.358409] files_cache 1588KB 1593KB [ 46.363761] signal_cache 2530KB 2537KB [ 46.369127] sighand_cache 212KB 333KB [ 46.374503] task_struct 10798KB 10798KB [ 46.379865] cred_jar 2347KB 2352KB [ 46.385233] anon_vma_chain 7791KB 7800KB [ 46.390592] anon_vma 126KB 331KB [ 46.395962] pid 220KB 244KB [ 46.401334] Acpi-Operand 106KB 170KB [ 46.406715] Acpi-Namespace 19KB 23KB [ 46.412077] numa_policy 0KB 3KB [ 46.417448] debug_objects_cache 469KB 469KB [ 46.422997] trace_event_file 144KB 147KB [ 46.428362] ftrace_event_field 254KB 255KB [ 46.433817] pool_workqueue 24KB 24KB [ 46.439195] page->ptl 3072KB 3075KB [ 46.444613] kmalloc-262144 1032KB 1032KB [ 46.449978] kmalloc-131072 650KB 650KB [ 46.455348] kmalloc-65536 264KB 264KB [ 46.460709] kmalloc-32768 825KB 825KB [ 46.466078] kmalloc-16384 181KB 181KB [ 46.471446] kmalloc-8192 470KB 470KB [ 46.476815] kmalloc-4096 7123KB 7161KB [ 46.482194] kmalloc-2048 3232KB 3232KB [ 46.487573] kmalloc-1024 3697KB 3701KB [ 46.492936] kmalloc-512 2758KB 2760KB [ 46.498306] kmalloc-256 1965KB 2467KB [ 46.503672] kmalloc-128 407KB 515KB [ 46.509052] kmalloc-96 2062KB 2064KB [ 46.514419] kmalloc-64 2466KB 2468KB [ 46.519789] kmalloc-32 2400KB 2405KB [ 46.525172] kmalloc-192 911KB 912KB [ 46.530553] kmem_cache 101KB 105KB [ 46.535912] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 46.544514] [ 1815] 0 1815 5366 168 90112 0 -1000 udevd [ 46.552677] [ 3494] 0 3494 14298 188 118784 0 0 rsyslogd [ 46.561097] [ 3540] 0 3540 4725 50 77824 0 0 cron [ 46.569180] [ 3567] 0 3567 3736 45 69632 0 0 mcstransd [ 46.577715] [ 3595] 0 3595 12490 153 143360 0 -1000 sshd [ 46.585787] [ 3619] 0 3619 3694 39 73728 0 0 getty [ 46.593945] [ 3620] 0 3620 3694 41 77824 0 0 getty [ 46.602102] [ 3621] 0 3621 3694 40 77824 0 0 getty [ 46.610265] [ 3622] 0 3622 3694 40 77824 0 0 getty [ 46.618429] [ 3623] 0 3623 3694 41 73728 0 0 getty [ 46.626589] [ 3624] 0 3624 3694 41 73728 0 0 getty [ 46.634754] [ 3625] 0 3625 3649 38 73728 0 0 getty [ 46.642939] [ 3629] 0 3629 5662 455 90112 0 -1000 udevd [ 46.651104] [ 3630] 0 3630 5662 455 90112 0 -1000 udevd [ 46.659249] [ 3646] 0 3646 17821 196 180224 0 0 sshd [ 46.667321] [ 3648] 0 3648 237 1 28672 0 0 syzkaller182529 [ 46.676351] [ 3649] 0 3649 4000 0 28672 0 0 syzkaller182529 [ 46.685387] [ 3650] 0 3650 4000 0 28672 0 0 syzkaller182529 [ 46.694415] [ 3651] 0 3651 4000 0 28672 0 0 syzkaller182529 [ 46.703448] [ 3652] 0 3652 4000 0 28672 0 0 syzkaller182529 [ 46.712504] [ 3653] 0 3653 4000 0 28672 0 0 syzkaller182529 [ 46.721536] [ 3654] 0 3654 4000 0 28672 0 0 syzkaller182529 [ 46.730569] [ 3655] 0 3655 4000 0 28672 0 0 syzkaller182529 [ 46.739601] [ 3656] 0 3656 4000 521 32768 0 0 syzkaller182529 [ 46.748624] Out of memory: Kill process 3656 (syzkaller182529) score 0 or sacrifice child [ 46.756998] Killed process 3656 (syzkaller182529) total-vm:16000kB, anon-rss:2084kB, file-rss:0kB, shmem-rss:0kB [ 46.767995] oom_reaper: reaped process 3656 (syzkaller182529), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 46.808671] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 46.819734] init cpuset=/ mems_allowed=0 [ 46.822771] syzkaller182529: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 46.822805] syzkaller182529 cpuset=/ mems_allowed=0 [ 46.822893] CPU: 1 PID: 3653 Comm: syzkaller182529 Not tainted 4.15.0-rc8+ #179 [ 46.822897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.822900] Call Trace: [ 46.822913] dump_stack+0x194/0x257 [ 46.822927] ? arch_local_irq_restore+0x53/0x53 [ 46.822933] ? idr_get_free_cmn+0xfd0/0xfd0 [ 46.822945] ? debug_object_destroy+0x2b0/0x2b0 [ 46.822965] warn_alloc+0x19a/0x2b0 [ 46.822977] ? zone_watermark_ok_safe+0x400/0x400 [ 46.822994] ? __next_timer_interrupt+0x150/0x150 [ 46.823012] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 46.823019] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 46.823043] __alloc_pages_slowpath+0x2546/0x2d00 [ 46.823092] ? warn_alloc+0x2b0/0x2b0 [ 46.823103] ? lock_release+0xa40/0xa40 [ 46.823117] ? print_irqtrace_events+0x270/0x270 [ 46.823131] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 46.823149] ? mutex_spin_on_owner+0x446/0xb50 [ 46.823172] ? __lock_acquire+0x664/0x3e00 [ 46.823186] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 46.823211] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 46.823258] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 46.823265] ? find_held_lock+0x35/0x1d0 [ 46.823286] ? __might_sleep+0x95/0x190 [ 46.823300] __alloc_pages_nodemask+0x9fb/0xd80 [ 46.823308] ? lock_release+0xa40/0xa40 [ 46.823322] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 46.823341] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 46.823357] ? print_irqtrace_events+0x270/0x270 [ 46.823376] ? __lock_is_held+0xb6/0x140 [ 46.823396] ? find_next_bit+0x27/0x30 [ 46.823412] pcpu_populate_chunk+0x1b3/0x880 [ 46.823438] pcpu_alloc+0x978/0x10e0 [ 46.823464] ? pcpu_free_area+0xa00/0xa00 [ 46.823478] ? vmap_page_range_noflush+0x523/0x720 [ 46.823513] ? map_vm_area+0x9e/0xd0 [ 46.823526] ? __vmalloc_node_range+0x37a/0x650 [ 46.823548] ? array_map_alloc+0x354/0x990 [ 46.823557] ? __vmalloc_node_flags_caller+0x50/0x60 [ 46.823572] __alloc_percpu_gfp+0x27/0x30 [ 46.823583] array_map_alloc+0x794/0x990 [ 46.823606] SyS_bpf+0x7f8/0x4400 [ 46.823624] ? bpf_prog_get+0x20/0x20 [ 46.823631] ? __lock_acquire+0x664/0x3e00 [ 46.823652] ? perf_event_fork+0x30/0x30 [ 46.823672] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 46.823680] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 46.823693] ? vma_wants_writenotify+0x51/0x3b0 [ 46.823713] ? vma_wants_writenotify+0x3b0/0x3b0 [ 46.823726] ? vma_link+0xe9/0x170 [ 46.823742] ? mmap_region+0x52e/0x15a0 [ 46.823763] ? find_held_lock+0x35/0x1d0 [ 46.823773] ? check_noncircular+0x20/0x20 [ 46.823790] ? __handle_mm_fault+0x80e/0x3ce0 [ 46.823806] ? check_noncircular+0x20/0x20 [ 46.823812] ? __pmd_alloc+0x4e0/0x4e0 [ 46.823835] ? find_held_lock+0x35/0x1d0 [ 46.823855] ? handle_mm_fault+0x248/0x8d0 [ 46.823869] ? find_held_lock+0x35/0x1d0 [ 46.823889] ? __do_page_fault+0x5f7/0xc90 [ 46.823898] ? lock_downgrade+0x980/0x980 [ 46.823919] ? handle_mm_fault+0x410/0x8d0 [ 46.823925] ? down_read_trylock+0xdb/0x170 [ 46.823931] ? __do_page_fault+0x32d/0xc90 [ 46.823940] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 46.823946] ? vmacache_find+0x5f/0x280 [ 46.823954] ? vmacache_update+0xfe/0x130 [ 46.823970] ? up_read+0x1a/0x40 [ 46.823993] ? do_fast_syscall_32+0x156/0xf9d [ 46.824006] ? bpf_prog_get+0x20/0x20 [ 46.824016] do_fast_syscall_32+0x3ee/0xf9d [ 46.824034] ? do_int80_syscall_32+0x9d0/0x9d0 [ 46.824043] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 46.824061] ? syscall_return_slowpath+0x2ad/0x550 [ 46.824069] ? prepare_exit_to_usermode+0x340/0x340 [ 46.824079] ? retint_user+0x18/0x18 [ 46.824095] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.824113] entry_SYSENTER_compat+0x54/0x63 [ 46.824119] RIP: 0023:0xf7f07c79 [ 46.824123] RSP: 002b:00000000ffd4758c EFLAGS: 00000286 ORIG_RAX: 0000000000000165 [ 46.824130] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000203dc000 [ 46.824134] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 46.824138] RBP: 00000000ffd475d8 R08: 0000000000000000 R09: 0000000000000000 [ 46.824142] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 46.824146] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 46.824302] Mem-Info: [ 46.824319] active_anon:1947 inactive_anon:63 isolated_anon:0 [ 46.824319] active_file:14 inactive_file:14 isolated_file:0 [ 46.824319] unevictable:0 dirty:0 writeback:0 unstable:0 [ 46.824319] slab_reclaimable:7286 slab_unreclaimable:83447 [ 46.824319] mapped:3 shmem:70 pagetables:303 bounce:0 [ 46.824319] free:15913 free_pcp:108 free_cma:0 [ 46.824332] Node 0 active_anon:7788kB inactive_anon:252kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 46.824335] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 46.824351] lowmem_reserve[]: 0 2870 6381 6381 [ 46.824364] Node 0 DMA32 free:29200kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:180kB local_pcp:120kB free_cma:0kB [ 46.824379] lowmem_reserve[]: 0 0 3510 3510 [ 46.824392] Node 0 Normal free:18544kB min:37084kB low:46352kB high:55620kB active_anon:7756kB inactive_anon:248kB active_file:48kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3040kB pagetables:1212kB bounce:0kB free_pcp:252kB local_pcp:116kB free_cma:0kB [ 46.824407] lowmem_reserve[]: 0 0 0 0 [ 46.824419] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 46.824470] Node 0 DMA32: 6*4kB (M) 5*8kB (UM) 7*16kB (UM) 3*32kB (UM) 4*64kB (M) 4*128kB (UM) 4*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 29200kB [ 46.824527] Node 0 Normal: 268*4kB (UME) 222*8kB (ME) 153*16kB (UME) 122*32kB (ME) 58*64kB (UM) 24*128kB (UM) 10*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18544kB [ 46.824580] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 46.824583] 98 total pagecache pages [ 46.824591] 0 pages in swap cache [ 46.824595] Swap cache stats: add 0, delete 0, find 0/0 [ 46.824598] Free swap = 0kB [ 46.824600] Total swap = 0kB [ 46.824603] 1965979 pages RAM [ 46.824605] 0 pages HighMem/MovableOnly [ 46.824607] 327760 pages reserved [ 47.119115] syzkaller182529 (3653) used greatest stack depth: 14864 bytes left [ 47.484740] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc8+ #179 [ 47.490963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.500310] Call Trace: [ 47.502901] dump_stack+0x194/0x257 [ 47.506530] ? arch_local_irq_restore+0x53/0x53 [ 47.511198] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 47.516392] dump_header+0x28c/0xe1e [ 47.520111] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 47.525303] ? pagefault_out_of_memory+0x152/0x152 [ 47.530223] ? check_noncircular+0x20/0x20 [ 47.534453] ? print_irqtrace_events+0x270/0x270 [ 47.539221] ? __lock_acquire+0x664/0x3e00 [ 47.543450] ? check_noncircular+0x20/0x20 [ 47.547688] ? print_irqtrace_events+0x270/0x270 [ 47.552444] ? check_noncircular+0x20/0x20 [ 47.556666] ? task_will_free_mem+0x252/0xaa0 [ 47.559742] syzkaller182529: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 47.559746] syzkaller182529 cpuset=/ mems_allowed=0 [ 47.577115] ? print_irqtrace_events+0x270/0x270 [ 47.581862] ? ___ratelimit+0x30d/0x630 [ 47.585817] ? lock_downgrade+0x980/0x980 [ 47.589950] ? lock_release+0xa40/0xa40 [ 47.593910] ? mark_held_locks+0xaf/0x100 [ 47.598041] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 47.603130] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 47.608130] ? trace_hardirqs_on+0xd/0x10 [ 47.612265] ? ___ratelimit+0x95/0x630 [ 47.616133] ? idr_get_free_cmn+0xfd0/0xfd0 [ 47.620447] ? check_noncircular+0x20/0x20 [ 47.624657] ? find_held_lock+0x138/0x1d0 [ 47.628800] oom_kill_process+0x8b5/0x14a0 [ 47.633026] ? has_ns_capability_noaudit+0x163/0x2a0 [ 47.638112] ? check_noncircular+0x20/0x20 [ 47.642331] ? oom_evaluate_task+0x480/0x480 [ 47.646739] ? security_capable_noaudit+0x8b/0xc0 [ 47.651571] ? find_held_lock+0x35/0x1d0 [ 47.655617] ? check_noncircular+0x20/0x20 [ 47.659836] ? oom_unkillable_task+0x394/0x4c0 [ 47.664399] ? lock_downgrade+0x980/0x980 [ 47.668533] ? lock_release+0xa40/0xa40 [ 47.672483] ? do_try_to_free_pages+0xc53/0x1020 [ 47.677220] ? find_lock_task_mm+0x460/0x460 [ 47.681616] ? find_held_lock+0x35/0x1d0 [ 47.685670] ? out_of_memory+0xb3a/0x1220 [ 47.689797] ? lock_downgrade+0x980/0x980 [ 47.693930] ? lock_release+0xa40/0xa40 [ 47.697881] ? lock_acquire+0x1d5/0x580 [ 47.701834] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 47.706752] ? oom_evaluate_task+0x284/0x480 [ 47.711147] out_of_memory+0x86d/0x1220 [ 47.715113] ? oom_killer_disable+0x310/0x310 [ 47.719585] ? mutex_trylock+0x23a/0x2d0 [ 47.723626] ? __lock_is_held+0xb6/0x140 [ 47.727666] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 47.733111] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 47.737943] ? trace_hardirqs_on+0xd/0x10 [ 47.742100] ? warn_alloc+0x2b0/0x2b0 [ 47.745883] ? lock_downgrade+0x980/0x980 [ 47.750027] ? radix_tree_lookup_slot+0x99/0xe0 [ 47.754697] ? find_get_entry+0x53c/0x9e0 [ 47.758824] ? print_irqtrace_events+0x270/0x270 [ 47.763573] ? switched_to_fair+0xb0/0xb0 [ 47.767713] ? __lock_acquire+0x664/0x3e00 [ 47.771975] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 47.777853] ? __might_sleep+0x95/0x190 [ 47.781818] __alloc_pages_nodemask+0x9fb/0xd80 [ 47.786476] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 47.791476] ? add_to_page_cache_lru+0x510/0x510 [ 47.796223] ? check_noncircular+0x20/0x20 [ 47.800435] ? check_noncircular+0x20/0x20 [ 47.804650] ? find_held_lock+0x35/0x1d0 [ 47.808693] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 47.813458] alloc_pages_current+0xb6/0x1e0 [ 47.817768] __page_cache_alloc+0x334/0x500 [ 47.822073] ? rcu_read_lock_held+0xa9/0xc0 [ 47.826379] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 47.833734] filemap_fault+0xefc/0x1c20 [ 47.837687] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 47.842874] ? __lock_page_or_retry+0x4f0/0x4f0 [ 47.847520] ? lock_downgrade+0x980/0x980 [ 47.851658] ? filemap_map_pages+0x942/0x15d0 [ 47.856142] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 47.861233] ? find_get_entries_tag+0xeb0/0xeb0 [ 47.865880] ? print_irqtrace_events+0x270/0x270 [ 47.870623] ? remove_wait_queue+0x1b4/0x350 [ 47.875019] ? check_noncircular+0x20/0x20 [ 47.879230] ? print_irqtrace_events+0x270/0x270 [ 47.883962] ? add_wait_queue+0x290/0x290 [ 47.888097] ? print_irqtrace_events+0x270/0x270 [ 47.892830] ? print_irqtrace_events+0x270/0x270 [ 47.897565] ? fput+0xd2/0x140 [ 47.900744] ? print_irqtrace_events+0x270/0x270 [ 47.905493] ? lock_acquire+0x1d5/0x580 [ 47.909446] ? lock_acquire+0x1d5/0x580 [ 47.913402] ? ext4_filemap_fault+0x7a/0xad [ 47.917705] ? __lock_acquire+0x664/0x3e00 [ 47.921921] ? lock_release+0xa40/0xa40 [ 47.925875] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 47.931743] ? rcu_note_context_switch+0x710/0x710 [ 47.936661] ? __might_sleep+0x95/0x190 [ 47.940620] ? down_read+0x96/0x150 [ 47.944228] ? ext4_filemap_fault+0x7a/0xad [ 47.948530] ? __down_interruptible+0x6b0/0x6b0 [ 47.953176] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 47.958348] ? depot_save_stack+0x12c/0x490 [ 47.962662] ext4_filemap_fault+0x82/0xad [ 47.966791] __do_fault+0xeb/0x30f [ 47.970317] ? pte_offset_kernel+0xc7/0xc7 [ 47.974530] ? set_fd_set.part.0+0x70/0x70 [ 47.978745] ? check_noncircular+0x20/0x20 [ 47.982970] ? check_noncircular+0x20/0x20 [ 47.987195] __handle_mm_fault+0x1d8f/0x3ce0 [ 47.991595] ? __pmd_alloc+0x4e0/0x4e0 [ 47.995463] ? find_held_lock+0x35/0x1d0 [ 47.999511] ? find_held_lock+0x35/0x1d0 [ 48.003561] ? handle_mm_fault+0x248/0x8d0 [ 48.007777] ? lock_downgrade+0x980/0x980 [ 48.011939] handle_mm_fault+0x334/0x8d0 [ 48.015976] ? down_read_trylock+0xdb/0x170 [ 48.020276] ? __do_page_fault+0x32d/0xc90 [ 48.024490] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 48.029053] ? vmacache_find+0x5f/0x280 [ 48.033016] ? find_vma+0x30/0x150 [ 48.036545] __do_page_fault+0x5c9/0xc90 [ 48.040597] ? mm_fault_error+0x2c0/0x2c0 [ 48.044739] do_page_fault+0xee/0x720 [ 48.048521] ? __do_page_fault+0xc90/0xc90 [ 48.052742] ? SyS_select+0x1ae/0x230 [ 48.056528] ? core_sys_select+0x960/0x960 [ 48.060745] ? entry_SYSCALL_64_fastpath+0x55/0xa0 [ 48.065656] ? page_fault+0x36/0x60 [ 48.069264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.074092] ? page_fault+0x36/0x60 [ 48.077699] page_fault+0x4c/0x60 [ 48.081131] RIP: 0033:0x7fe44647fdd3 [ 48.084824] RSP: 002b:00007ffd1d8912a8 EFLAGS: 00010246 [ 48.090170] RAX: 0000000000000000 RBX: 00007ffd1d891450 RCX: 00007fe44647fdd3 [ 48.097417] RDX: 0000000000000000 RSI: 00007ffd1d891600 RDI: 000000000000000b [ 48.104663] RBP: 00007ffd1d891600 R08: 00007ffd1d891680 R09: 0000000000000001 [ 48.111910] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 48.119158] R13: 00007ffd1d8919e0 R14: 0000000000000000 R15: 0000000000000000 [ 48.126435] CPU: 1 PID: 3656 Comm: syzkaller182529 Not tainted 4.15.0-rc8+ #179 [ 48.126464] Mem-Info: [ 48.126479] active_anon:1947 inactive_anon:63 isolated_anon:0 [ 48.126479] active_file:14 inactive_file:14 isolated_file:0 [ 48.126479] unevictable:0 dirty:0 writeback:0 unstable:0 [ 48.126479] slab_reclaimable:7286 slab_unreclaimable:83447 [ 48.126479] mapped:3 shmem:70 pagetables:303 bounce:0 [ 48.126479] free:15890 free_pcp:109 free_cma:0 [ 48.126493] Node 0 active_anon:7788kB inactive_anon:252kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 48.126496] 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 [ 48.126514] lowmem_reserve[]: 0 2870 6381 6381 [ 48.126527] Node 0 DMA32 free:29200kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:180kB local_pcp:60kB free_cma:0kB [ 48.126541] lowmem_reserve[]: 0 0 3510 3510 [ 48.126554] Node 0 Normal free:18452kB min:37084kB low:46352kB high:55620kB active_anon:7756kB inactive_anon:248kB active_file:48kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:3008kB pagetables:1212kB bounce:0kB free_pcp:256kB local_pcp:136kB free_cma:0kB [ 48.126570] lowmem_reserve[]: 0 0 0 0 [ 48.126583] 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 [ 48.126638] Node 0 DMA32: 6*4kB (M) 5*8kB (UM) 7*16kB (UM) 3*32kB (UM) 4*64kB (M) 4*128kB (UM) 4*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 29200kB [ 48.126699] Node 0 Normal: 267*4kB (UME) 225*8kB (UME) 152*16kB (UME) 121*32kB (ME) 59*64kB (UM) 23*128kB (M) 10*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18452kB [ 48.126757] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 48.126760] 98 total pagecache pages [ 48.126768] 0 pages in swap cache [ 48.126773] Swap cache stats: add 0, delete 0, find 0/0 [ 48.126775] Free swap = 0kB [ 48.126778] Total swap = 0kB [ 48.126781] 1965979 pages RAM [ 48.126783] 0 pages HighMem/MovableOnly [ 48.126786] 327760 pages reserved [ 48.126790] Unreclaimable slab info: [ 48.126793] Name Used Total [ 48.126799] hashtab_node 118KB 119KB [ 48.126804] ebitmap_node 382KB 385KB [ 48.126810] avtab_node 1012KB 1013KB [ 48.126819] TIPC 1KB 7KB [ 48.126827] SCTPv6 2KB 4KB [ 48.126835] DCCPv6 2KB 7KB [ 48.126842] DCCP 2KB 6KB [ 48.126866] fib6_nodes 0KB 4KB [ 48.126871] ip6_dst_cache 6KB 11KB [ 48.126877] RAWv6 9KB 19KB [ 48.126882] UDPv6 12KB 14KB [ 48.126889] TCPv6 2KB 5KB [ 48.126908] sd_ext_cdb 0KB 3KB [ 48.126913] scsi_sense_cache 95KB 124KB [ 48.126918] virtio_scsi_cmd 16KB 16KB [ 48.126926] sgpool-128 8KB 8KB [ 48.126931] sgpool-64 4KB 6KB [ 48.126936] sgpool-32 146KB 149KB [ 48.126941] sgpool-16 35KB 37KB [ 48.126946] sgpool-8 178KB 180KB [ 48.126953] cfq_io_cq 15KB 19KB [ 48.126957] cfq_queue 24KB 27KB [ 48.126963] mqueue_inode_cache 1KB 7KB [ 48.126969] nfs_commit_data 3KB 7KB [ 48.126974] nfs_write_data 34KB 37KB [ 48.126981] jbd2_inode 1KB 3KB [ 48.126987] ext4_system_zone 0KB 3KB [ 48.127000] bio-1 1KB 3KB [ 48.127042] rpc_buffers 17KB 19KB [ 48.127047] rpc_tasks 2KB 3KB [ 48.127052] UNIX 780KB 780KB [ 48.127059] tcp_bind_bucket 0KB 4KB [ 48.127067] ip_fib_trie 0KB 3KB [ 48.127072] ip_fib_alias 0KB 3KB [ 48.127077] ip_dst_cache 4KB 7KB [ 48.127083] RAW 5KB 7KB [ 48.127088] UDP 29KB 31KB [ 48.127094] TCP 7KB 15KB [ 48.127100] hugetlbfs_inode_cache 1KB 7KB [ 48.127106] eventpoll_pwq 9KB 11KB [ 48.127111] eventpoll_epi 18KB 23KB [ 48.127116] inotify_inode_mark 3KB 7KB [ 48.127122] request_queue 33KB 67KB [ 48.127128] blkdev_ioc 21KB 23KB [ 48.127133] bio-0 320KB 322KB [ 48.127138] biovec-(1<<(21-12)) 462KB 462KB [ 48.127143] biovec-64 191KB 196KB [ 48.127148] biovec-16 26KB 30KB [ 48.127153] bio_integrity_payload 0KB 4KB [ 48.127158] khugepaged_mm_slot 0KB 3KB [ 48.127166] uid_cache 0KB 3KB [ 48.127171] dmaengine-unmap-2 0KB 3KB [ 48.127176] audit_buffer 0KB 3KB [ 48.127182] skbuff_fclone_cache 136KB 138KB [ 48.127187] skbuff_head_cache 1890KB 1890KB [ 48.127192] configfs_dir_cache 0KB 4KB [ 48.127197] file_lock_cache 164KB 166KB [ 48.127202] file_lock_ctx 1KB 3KB [ 48.127207] fsnotify_mark_connector 2KB 3KB [ 48.127213] shmem_inode_cache 1053KB 1054KB [ 48.127218] task_delay_info 316KB 332KB [ 48.127224] sigqueue 367KB 370KB [ 48.127230] kernfs_node_cache 2289KB 2295KB [ 48.127235] mnt_cache 15KB 20KB [ 48.127240] filp 8355KB 8816KB [ 48.127245] names_cache 111503KB 111532KB [ 48.127253] avc_node 37KB 39KB [ 48.127258] selinux_file_security 420KB 488KB [ 48.127263] selinux_inode_security 1944KB 1948KB [ 48.127268] key_jar 3KB 7KB [ 48.127273] nsproxy 0KB 3KB [ 48.127278] vm_area_struct 18595KB 18601KB [ 48.127283] mm_struct 4507KB 4515KB [ 48.127288] fs_cache 423KB 424KB [ 48.127292] files_cache 1588KB 1593KB [ 48.127297] signal_cache 2530KB 2537KB [ 48.127303] sighand_cache 212KB 333KB [ 48.127308] task_struct 10798KB 10798KB [ 48.127313] cred_jar 2347KB 2352KB [ 48.127318] anon_vma_chain 7791KB 7800KB [ 48.127323] anon_vma 123KB 323KB [ 48.127327] pid 220KB 244KB [ 48.127332] Acpi-Operand 106KB 170KB [ 48.127339] Acpi-Namespace 19KB 23KB [ 48.127345] numa_policy 0KB 3KB [ 48.127350] debug_objects_cache 469KB 469KB [ 48.127355] trace_event_file 144KB 147KB [ 48.127360] ftrace_event_field 254KB 255KB [ 48.127365] pool_workqueue 24KB 24KB [ 48.127371] page->ptl 3072KB 3075KB [ 48.127395] kmalloc-262144 1032KB 1032KB [ 48.127400] kmalloc-131072 650KB 650KB [ 48.127404] kmalloc-65536 264KB 264KB [ 48.127409] kmalloc-32768 825KB 825KB [ 48.127414] kmalloc-16384 181KB 181KB [ 48.127418] kmalloc-8192 470KB 470KB [ 48.127423] kmalloc-4096 7118KB 7148KB [ 48.127428] kmalloc-2048 3232KB 3232KB [ 48.127433] kmalloc-1024 3696KB 3701KB [ 48.127438] kmalloc-512 2758KB 2760KB [ 48.127442] kmalloc-256 1950KB 2448KB [ 48.127447] kmalloc-128 407KB 515KB [ 48.127452] kmalloc-96 2072KB 2072KB [ 48.127457] kmalloc-64 2480KB 2480KB [ 48.127462] kmalloc-32 2398KB 2405KB [ 48.127466] kmalloc-192 916KB 916KB [ 48.127472] kmem_cache 101KB 105KB [ 48.127475] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 48.127503] [ 1815] 0 1815 5366 168 90112 0 -1000 udevd [ 48.127515] [ 3494] 0 3494 14298 188 118784 0 0 rsyslogd [ 48.127526] [ 3540] 0 3540 4725 50 77824 0 0 cron [ 48.127537] [ 3567] 0 3567 3736 45 69632 0 0 mcstransd [ 48.127548] [ 3595] 0 3595 12490 153 143360 0 -1000 sshd [ 48.127559] [ 3619] 0 3619 3694 39 73728 0 0 getty [ 48.127570] [ 3620] 0 3620 3694 41 77824 0 0 getty [ 48.127580] [ 3621] 0 3621 3694 40 77824 0 0 getty [ 48.127590] [ 3622] 0 3622 3694 40 77824 0 0 getty [ 48.127600] [ 3623] 0 3623 3694 41 73728 0 0 getty [ 48.127610] [ 3624] 0 3624 3694 41 73728 0 0 getty [ 48.127621] [ 3625] 0 3625 3649 38 73728 0 0 getty [ 48.127631] [ 3629] 0 3629 5662 455 90112 0 -1000 udevd [ 48.127642] [ 3630] 0 3630 5662 455 90112 0 -1000 udevd [ 48.127652] [ 3646] 0 3646 17821 196 180224 0 0 sshd [ 48.127664] [ 3648] 0 3648 237 1 28672 0 0 syzkaller182529 [ 48.127674] [ 3649] 0 3649 4000 0 28672 0 0 syzkaller182529 [ 48.127685] [ 3650] 0 3650 4000 0 28672 0 0 syzkaller182529 [ 48.127695] [ 3651] 0 3651 4000 0 28672 0 0 syzkaller182529 [ 48.127706] [ 3652] 0 3652 4000 0 28672 0 0 syzkaller182529 [ 48.127718] [ 3654] 0 3654 4000 0 28672 0 0 syzkaller182529 [ 48.127728] [ 3655] 0 3655 4000 0 28672 0 0 syzkaller182529 [ 48.127738] [ 3656] 0 3656 4000 0 28672 0 0 syzkaller182529 [ 48.127744] Out of memory: Kill process 3646 (sshd) score 0 or sacrifice child [ 48.128093] Killed process 3648 (syzkaller182529) total-vm:948kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 48.575312] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 48.575317] init cpuset=/ mems_allowed=0 [ 49.189166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.198497] Call Trace: [ 49.201070] dump_stack+0x194/0x257 [ 49.204686] ? arch_local_irq_restore+0x53/0x53 [ 49.209332] ? idr_get_free_cmn+0xfd0/0xfd0 [ 49.213639] ? debug_object_destroy+0x2b0/0x2b0 [ 49.218300] warn_alloc+0x19a/0x2b0 [ 49.221912] ? zone_watermark_ok_safe+0x400/0x400 [ 49.226743] ? __next_timer_interrupt+0x150/0x150 [ 49.231577] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 49.237007] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 49.242891] __alloc_pages_slowpath+0x2546/0x2d00 [ 49.247754] ? warn_alloc+0x2b0/0x2b0 [ 49.251536] ? trace_hardirqs_off+0xd/0x10 [ 49.255760] ? print_irqtrace_events+0x270/0x270 [ 49.260502] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 49.265677] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.270682] ? lock_acquire+0x1d5/0x580 [ 49.274638] ? lock_acquire+0x1d5/0x580 [ 49.278600] ? __lock_acquire+0x664/0x3e00 [ 49.282820] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 49.288701] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 49.293913] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 49.299777] ? find_held_lock+0x35/0x1d0 [ 49.303833] ? __might_sleep+0x95/0x190 [ 49.307794] __alloc_pages_nodemask+0x9fb/0xd80 [ 49.312446] ? lock_release+0xa40/0xa40 [ 49.316406] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 49.321417] ? pcpu_chunk_refresh_hint+0x425/0x570 [ 49.326337] ? print_irqtrace_events+0x270/0x270 [ 49.331084] ? __lock_is_held+0xb6/0x140 [ 49.335138] ? find_next_bit+0x27/0x30 [ 49.339014] pcpu_populate_chunk+0x1b3/0x880 [ 49.343422] pcpu_alloc+0x978/0x10e0 [ 49.347141] ? pcpu_free_area+0xa00/0xa00 [ 49.351270] ? __pte_alloc_kernel+0x1bd/0x2a0 [ 49.355752] ? vmap_page_range_noflush+0x523/0x720 [ 49.360687] ? retint_kernel+0x10/0x10 [ 49.364558] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.369557] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.374307] ? retint_kernel+0x10/0x10 [ 49.378193] __alloc_percpu_gfp+0x27/0x30 [ 49.382324] array_map_alloc+0x794/0x990 [ 49.386378] SyS_bpf+0x7f8/0x4400 [ 49.389825] ? bpf_prog_get+0x20/0x20 [ 49.393605] ? __lock_acquire+0x664/0x3e00 [ 49.397837] ? perf_event_fork+0x30/0x30 [ 49.401892] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 49.407062] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 49.412239] ? vma_wants_writenotify+0x51/0x3b0 [ 49.416900] ? vma_wants_writenotify+0x3b0/0x3b0 [ 49.421643] ? vma_link+0xe9/0x170 [ 49.425173] ? mmap_region+0x52e/0x15a0 [ 49.429144] ? find_held_lock+0x35/0x1d0 [ 49.433189] ? check_noncircular+0x20/0x20 [ 49.437412] ? __handle_mm_fault+0x80e/0x3ce0 [ 49.441901] ? check_noncircular+0x20/0x20 [ 49.446117] ? __pmd_alloc+0x4e0/0x4e0 [ 49.450002] ? find_held_lock+0x35/0x1d0 [ 49.454058] ? handle_mm_fault+0x248/0x8d0 [ 49.458277] ? find_held_lock+0x35/0x1d0 [ 49.462335] ? __do_page_fault+0x5f7/0xc90 [ 49.466555] ? lock_downgrade+0x980/0x980 [ 49.470694] ? handle_mm_fault+0x410/0x8d0 [ 49.474905] ? down_read_trylock+0xdb/0x170 [ 49.479204] ? __do_page_fault+0x32d/0xc90 [ 49.483423] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 49.487983] ? vmacache_find+0x5f/0x280 [ 49.491935] ? vmacache_update+0xfe/0x130 [ 49.496075] ? up_read+0x1a/0x40 [ 49.499440] ? do_fast_syscall_32+0x156/0xf9d [ 49.503923] ? bpf_prog_get+0x20/0x20 [ 49.507710] do_fast_syscall_32+0x3ee/0xf9d [ 49.512028] ? do_int80_syscall_32+0x9d0/0x9d0 [ 49.516592] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.521337] ? syscall_return_slowpath+0x2ad/0x550 [ 49.526247] ? prepare_exit_to_usermode+0x340/0x340 [ 49.531244] ? retint_user+0x18/0x18 [ 49.534948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.539780] entry_SYSENTER_compat+0x54/0x63 [ 49.544168] RIP: 0023:0xf7f07c79 [ 49.547509] RSP: 002b:00000000ffd4758c EFLAGS: 00000286 ORIG_RAX: 0000000000000165 [ 49.555195] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000203dc000 [ 49.562445] RDX: 000000000000002c RSI: 00000000080ea00c RDI: 000000000000003f [ 49.569697] RBP: 00000000ffd475d8 R08: 0000000000000000 R09: 0000000000000000 [ 49.576945] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 49.584194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 49.591475] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc8+ #179 [ 49.591624] Mem-Info: [ 49.591642] active_anon:1938 inactive_anon:63 isolated_anon:0 [ 49.591642] active_file:24 inactive_file:2 isolated_file:2 [ 49.591642] unevictable:0 dirty:0 writeback:0 unstable:0 [ 49.591642] slab_reclaimable:7286 slab_unreclaimable:83449 [ 49.591642] mapped:2 shmem:70 pagetables:299 bounce:0 [ 49.591642] free:15898 free_pcp:125 free_cma:0 [ 49.591656] Node 0 active_anon:7752kB inactive_anon:252kB active_file:96kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 49.591659] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.591675] lowmem_reserve[]: 0 2870 6381 6381 [ 49.591688] Node 0 DMA32 free:29200kB min:30332kB low:37912kB high:45492kB active_anon:32kB inactive_anon:4kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2942340kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:180kB local_pcp:120kB free_cma:0kB [ 49.591704] lowmem_reserve[]: 0 0 3510 3510 [ 49.591716] Node 0 Normal free:18484kB min:37084kB low:46352kB high:55620kB active_anon:7720kB inactive_anon:248kB active_file:84kB inactive_file:16kB unevictable:0kB writepending:0kB present:4718592kB managed:3594628kB mlocked:0kB kernel_stack:2976kB pagetables:1196kB bounce:0kB free_pcp:320kB local_pcp:120kB free_cma:0kB [ 49.591733] lowmem_reserve[]: 0 0 0 0 [ 49.591745] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 49.591798] Node 0 DMA32: 6*4kB (M) 5*8kB (UM) 7*16kB (UM) 3*32kB (UM) 4*64kB (M) 4*128kB (UM) 4*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 29200kB [ 49.591855] Node 0 Normal: 267*4kB (UME) 225*8kB (UME) 152*16kB (UME) 122*32kB (UME) 59*64kB (UM) 23*128kB (M) 10*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18484kB [ 49.591908] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 49.591911] 98 total pagecache pages [ 49.591918] 0 pages in swap cache [ 49.591922] Swap cache stats: add 0, delete 0, find 0/0 [ 49.591925] Free swap = 0kB [ 49.591927] Total swap = 0kB [ 49.591930] 1965979 pages RAM [ 49.591932] 0 pages HighMem/MovableOnly [ 49.591935] 327760 pages reserved [ 49.835089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.844428] Call Trace: [ 49.847010] dump_stack+0x194/0x257 [ 49.850631] ? arch_local_irq_restore+0x53/0x53 [ 49.855292] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 49.860484] dump_header+0x28c/0xe1e [ 49.864197] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 49.869381] ? pagefault_out_of_memory+0x152/0x152 [ 49.874295] ? check_noncircular+0x20/0x20 [ 49.878523] ? print_irqtrace_events+0x270/0x270 [ 49.883274] ? __lock_acquire+0x664/0x3e00 [ 49.887502] ? check_noncircular+0x20/0x20 [ 49.891732] ? print_irqtrace_events+0x270/0x270 [ 49.896486] ? check_noncircular+0x20/0x20 [ 49.900704] ? task_will_free_mem+0x252/0xaa0 [ 49.905195] ? print_irqtrace_events+0x270/0x270 [ 49.909950] ? ___ratelimit+0x30d/0x630 [ 49.913911] ? lock_downgrade+0x980/0x980 [ 49.918049] ? lock_release+0xa40/0xa40 [ 49.922015] ? mark_held_locks+0xaf/0x100 [ 49.926151] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 49.931242] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.936243] ? trace_hardirqs_on+0xd/0x10 [ 49.940380] ? ___ratelimit+0x95/0x630 [ 49.944254] ? idr_get_free_cmn+0xfd0/0xfd0 [ 49.948560] ? check_noncircular+0x20/0x20 [ 49.952776] ? find_held_lock+0x138/0x1d0 [ 49.956927] oom_kill_process+0x8b5/0x14a0 [ 49.961160] ? has_ns_capability_noaudit+0x163/0x2a0 [ 49.966261] ? check_noncircular+0x20/0x20 [ 49.970496] ? oom_evaluate_task+0x480/0x480 [ 49.974923] ? security_capable_noaudit+0x8b/0xc0 [ 49.979768] ? find_held_lock+0x35/0x1d0 [ 49.983821] ? check_noncircular+0x20/0x20 [ 49.988049] ? oom_unkillable_task+0x394/0x4c0 [ 49.992625] ? lock_downgrade+0x980/0x980 [ 49.996769] ? lock_release+0xa40/0xa40 [ 50.000730] ? do_try_to_free_pages+0xc53/0x1020 [ 50.005485] ? find_lock_task_mm+0x460/0x460 [ 50.009897] ? find_held_lock+0x35/0x1d0 [ 50.013967] ? out_of_memory+0xb3a/0x1220 [ 50.018115] ? lock_downgrade+0x980/0x980 [ 50.022259] ? lock_release+0xa40/0xa40 [ 50.026221] ? lock_acquire+0x1d5/0x580 [ 50.030189] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 50.035127] ? oom_evaluate_task+0x284/0x480 [ 50.039533] out_of_memory+0x86d/0x1220 [ 50.043514] ? oom_killer_disable+0x310/0x310 [ 50.047998] ? mutex_trylock+0x23a/0x2d0 [ 50.052053] ? __lock_is_held+0xb6/0x140 [ 50.056109] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 50.061566] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 50.066423] ? trace_hardirqs_on+0xd/0x10 [ 50.070590] ? warn_alloc+0x2b0/0x2b0 [ 50.074384] ? lock_downgrade+0x980/0x980 [ 50.078537] ? radix_tree_lookup_slot+0x99/0xe0 [ 50.083217] ? find_get_entry+0x53c/0x9e0 [ 50.087355] ? print_irqtrace_events+0x270/0x270 [ 50.092120] ? switched_to_fair+0xb0/0xb0 [ 50.096267] ? __lock_acquire+0x664/0x3e00 [ 50.100535] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 50.106425] ? __might_sleep+0x95/0x190 [ 50.110398] __alloc_pages_nodemask+0x9fb/0xd80 [ 50.115075] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 50.120087] ? add_to_page_cache_lru+0x510/0x510 [ 50.124845] ? check_noncircular+0x20/0x20 [ 50.129074] ? check_noncircular+0x20/0x20 [ 50.133300] ? find_held_lock+0x35/0x1d0 [ 50.137357] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 50.142136] alloc_pages_current+0xb6/0x1e0 [ 50.146464] __page_cache_alloc+0x334/0x500 [ 50.150777] ? rcu_read_lock_held+0xa9/0xc0 [ 50.155095] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 50.162466] filemap_fault+0xefc/0x1c20 [ 50.166433] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.171633] ? __lock_page_or_retry+0x4f0/0x4f0 [ 50.176290] ? lock_downgrade+0x980/0x980 [ 50.180440] ? filemap_map_pages+0x942/0x15d0 [ 50.184933] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 50.190033] ? find_get_entries_tag+0xeb0/0xeb0 [ 50.194697] ? print_irqtrace_events+0x270/0x270 [ 50.199450] ? remove_wait_queue+0x1b4/0x350 [ 50.203864] ? check_noncircular+0x20/0x20 [ 50.208090] ? print_irqtrace_events+0x270/0x270 [ 50.212839] ? add_wait_queue+0x290/0x290 [ 50.216989] ? print_irqtrace_events+0x270/0x270 [ 50.221739] ? print_irqtrace_events+0x270/0x270 [ 50.226487] ? fput+0xd2/0x140 [ 50.229681] ? print_irqtrace_events+0x270/0x270 [ 50.234440] ? lock_acquire+0x1d5/0x580 [ 50.238405] ? lock_acquire+0x1d5/0x580 [ 50.242370] ? ext4_filemap_fault+0x7a/0xad [ 50.246689] ? __lock_acquire+0x664/0x3e00 [ 50.250915] ? lock_release+0xa40/0xa40 [ 50.254885] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 50.260765] ? rcu_note_context_switch+0x710/0x710 [ 50.265692] ? __might_sleep+0x95/0x190 [ 50.269667] ? down_read+0x96/0x150 [ 50.273285] ? ext4_filemap_fault+0x7a/0xad [ 50.277603] ? __down_interruptible+0x6b0/0x6b0 [ 50.282262] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.287447] ? depot_save_stack+0x12c/0x490 [ 50.291773] ext4_filemap_fault+0x82/0xad [ 50.295917] __do_fault+0xeb/0x30f [ 50.299452] ? pte_offset_kernel+0xc7/0xc7 [ 50.303675] ? set_fd_set.part.0+0x70/0x70 [ 50.307904] ? check_noncircular+0x20/0x20 [ 50.312145] ? check_noncircular+0x20/0x20 [ 50.316380] __handle_mm_fault+0x1d8f/0x3ce0 [ 50.320788] ? __pmd_alloc+0x4e0/0x4e0 [ 50.324667] ? find_held_lock+0x35/0x1d0 [ 50.328731] ? find_held_lock+0x35/0x1d0 [ 50.332801] ? handle_mm_fault+0x248/0x8d0 [ 50.337029] ? lock_downgrade+0x980/0x980 [ 50.341207] handle_mm_fault+0x334/0x8d0 [ 50.345265] ? down_read_trylock+0xdb/0x170 [ 50.349582] ? __do_page_fault+0x32d/0xc90 [ 50.353817] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 50.358401] ? vmacache_find+0x5f/0x280 [ 50.362378] ? find_vma+0x30/0x150 [ 50.365920] __do_page_fault+0x5c9/0xc90 [ 50.369986] ? mm_fault_error+0x2c0/0x2c0 [ 50.374144] do_page_fault+0xee/0x720 [ 50.377940] ? __do_page_fault+0xc90/0xc90 [ 50.382172] ? SyS_select+0x1ae/0x230 [ 50.385973] ? core_sys_select+0x960/0x960 [ 50.390206] ? entry_SYSCALL_64_fastpath+0x55/0xa0 [ 50.395128] ? page_fault+0x36/0x60 [ 50.398747] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.403585] ? page_fault+0x36/0x60 [ 50.407200] page_fault+0x4c/0x60 [ 50.410636] RIP: 0033:0x7fe44647fdd3 [ 50.412932] syzkaller182529: page allocation failure: order:0, mode:0x14000c2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null) [ 50.412937] syzkaller182529 cpuset=/ mems_allowed=0 Connection to 10.128.15.218 closed by remote host. [ 50.430288] RSP: 002b:00007ffd1d8912a8 EFLAGS: 00010246