INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-mmots-kasan-gce-7,10.128.0.20' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.916906] syzkaller046167 invoked oom-killer: gfp_mask=0x14000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 28.918570] syzkaller046167 cpuset=/ mems_allowed=0 [ 28.919537] CPU: 1 PID: 2986 Comm: syzkaller046167 Not tainted 4.14.0-rc5-mm1+ #20 [ 28.920579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.921889] Call Trace: [ 28.922273] dump_stack+0x194/0x257 [ 28.922767] ? arch_local_irq_restore+0x53/0x53 [ 28.923399] ? dump_header+0x1d9/0xe0e [ 28.923959] dump_header+0x28e/0xe0e [ 28.924487] ? pagefault_out_of_memory+0x152/0x152 [ 28.925144] ? check_noncircular+0x20/0x20 [ 28.925713] ? mark_lock+0x59f/0x13d0 [ 28.926235] ? print_irqtrace_events+0x270/0x270 [ 28.926866] ? __lock_acquire+0x6aa/0x3d50 [ 28.927438] ? find_held_lock+0x35/0x1d0 [ 28.927990] ? check_noncircular+0x20/0x20 [ 28.928559] ? task_will_free_mem+0x252/0xaa0 [ 28.929166] ? find_held_lock+0x35/0x1d0 [ 28.929722] ? ___ratelimit+0x30d/0x630 [ 28.930256] ? lock_downgrade+0x990/0x990 [ 28.930820] ? do_raw_spin_trylock+0x190/0x190 [ 28.931436] ? mark_held_locks+0xaf/0x100 [ 28.931995] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 28.932679] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.933347] ? trace_hardirqs_on+0xd/0x10 [ 28.933950] ? ___ratelimit+0x95/0x630 [ 28.934486] ? idr_get_free_cmn+0xfd0/0xfd0 [ 28.935065] ? check_noncircular+0x20/0x20 [ 28.935630] ? find_held_lock+0x138/0x1d0 [ 28.936212] oom_kill_process+0x86d/0x13c0 [ 28.936784] ? has_ns_capability_noaudit+0x163/0x2a0 [ 28.937464] ? lock_downgrade+0x990/0x990 [ 28.941582] ? oom_evaluate_task+0x480/0x480 [ 28.945968] ? security_capable_noaudit+0x8b/0xc0 [ 28.950780] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 28.955849] ? has_capability+0x30/0x30 [ 28.959794] ? check_noncircular+0x20/0x20 [ 28.964001] ? has_capability_noaudit+0x24/0x30 [ 28.968643] ? oom_badness+0xd1/0x980 [ 28.972411] ? lock_release+0xa40/0xa40 [ 28.976351] ? do_try_to_free_pages+0xc53/0x1020 [ 28.981075] ? find_lock_task_mm+0x460/0x460 [ 28.985454] ? find_held_lock+0x35/0x1d0 [ 28.989489] ? out_of_memory+0xaa9/0x11d0 [ 28.993604] ? lock_downgrade+0x990/0x990 [ 28.997722] ? lock_release+0xa40/0xa40 [ 29.001664] ? lock_acquire+0x1d5/0x580 [ 29.005605] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 29.010594] ? oom_evaluate_task+0x284/0x480 [ 29.014973] out_of_memory+0x7dc/0x11d0 [ 29.018933] ? oom_killer_disable+0x310/0x310 [ 29.023395] ? mutex_trylock+0x23a/0x2d0 [ 29.027423] ? __lock_is_held+0xb6/0x140 [ 29.031451] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 29.036879] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 29.041713] ? warn_alloc+0x2f0/0x2f0 [ 29.045484] ? print_irqtrace_events+0x270/0x270 [ 29.050204] ? check_noncircular+0x20/0x20 [ 29.054413] ? print_irqtrace_events+0x270/0x270 [ 29.059157] ? check_noncircular+0x20/0x20 [ 29.063364] ? retint_kernel+0x10/0x10 [ 29.067219] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.072204] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.076944] ? __lock_is_held+0xb6/0x140 [ 29.080988] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 29.086849] ? __might_sleep+0x95/0x190 [ 29.090794] __alloc_pages_nodemask+0x9fb/0xd80 [ 29.095437] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 29.100421] ? mark_held_locks+0xaf/0x100 [ 29.104536] ? retint_kernel+0x10/0x10 [ 29.108393] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.113377] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.118108] ? retint_kernel+0x10/0x10 [ 29.121971] ? relay_open_buf.part.10+0x21f/0x9b0 [ 29.126786] alloc_pages_current+0xb6/0x1e0 [ 29.131080] relay_open_buf.part.10+0x22e/0x9b0 [ 29.135726] relay_open+0x57a/0xa40 [ 29.139325] ? relay_open_buf.part.10+0x9b0/0x9b0 [ 29.144138] ? __debugfs_create_file+0x2cc/0x3e0 [ 29.148869] ? debugfs_create_file+0x57/0x70 [ 29.153250] do_blk_trace_setup+0x4a4/0xcf0 [ 29.157542] ? blk_tracer_print_line+0x40/0x40 [ 29.162094] ? __might_sleep+0x95/0x190 [ 29.166045] ? kasan_check_write+0x14/0x20 [ 29.170247] ? _copy_from_user+0x99/0x110 [ 29.174365] blk_trace_setup+0xbd/0x180 [ 29.178308] ? do_blk_trace_setup+0xcf0/0xcf0 [ 29.182782] ? avc_has_extended_perms+0x6e5/0x12c0 [ 29.187682] sg_ioctl+0xc71/0x2d90 [ 29.191192] ? lock_release+0xa40/0xa40 [ 29.195143] ? __handle_mm_fault+0x587/0x39c0 [ 29.199610] ? sg_new_write.isra.20+0x830/0x830 [ 29.204249] ? is_bpf_text_address+0xa4/0x120 [ 29.208716] ? avc_has_extended_perms+0x7fa/0x12c0 [ 29.214117] ? avc_ss_reset+0x110/0x110 [ 29.218061] ? find_held_lock+0x35/0x1d0 [ 29.222099] ? __do_page_fault+0x64c/0xd60 [ 29.226300] ? lock_downgrade+0x990/0x990 [ 29.230425] ? handle_mm_fault+0x410/0x8d0 [ 29.234643] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 29.240494] ? up_read+0x1a/0x40 [ 29.243831] ? rcu_note_context_switch+0x710/0x710 [ 29.248737] ? sg_new_write.isra.20+0x830/0x830 [ 29.253373] do_vfs_ioctl+0x1b1/0x1520 [ 29.257228] ? _cond_resched+0x14/0x30 [ 29.261087] ? ioctl_preallocate+0x2b0/0x2b0 [ 29.265467] ? selinux_capable+0x40/0x40 [ 29.269497] ? putname+0xf3/0x130 [ 29.272923] ? do_sys_open+0x320/0x6d0 [ 29.276788] ? security_file_ioctl+0x89/0xb0 [ 29.281169] SyS_ioctl+0x8f/0xc0 [ 29.284507] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 29.289228] RIP: 0033:0x443ec9 [ 29.292384] RSP: 002b:00007ffea9d2e2d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000010 [ 29.300057] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443ec9 [ 29.307293] RDX: 000000002084cf90 RSI: 00000000c0481273 RDI: 0000000000000003 [ 29.314528] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 29.321763] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000401bb0 [ 29.329000] R13: 0000000000401c40 R14: 0000000000000000 R15: 0000000000000000 [ 29.336302] Mem-Info: [ 29.338727] active_anon:2276 inactive_anon:32 isolated_anon:0 [ 29.338727] active_file:31 inactive_file:2 isolated_file:0 [ 29.338727] unevictable:0 dirty:0 writeback:0 unstable:0 [ 29.338727] slab_reclaimable:5963 slab_unreclaimable:83475 [ 29.338727] mapped:22 shmem:39 pagetables:270 bounce:0 [ 29.338727] free:24211 free_pcp:30 free_cma:0 [ 29.370777] Node 0 active_anon:9104kB inactive_anon:128kB active_file:124kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 29.397590] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 29.423712] lowmem_reserve[]: 0 2886 6400 6400 [ 29.428315] Node 0 DMA32 free:44152kB min:30408kB low:38008kB high:45608kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2958448kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 29.455571] lowmem_reserve[]: 0 0 3513 3513 [ 29.459898] Node 0 Normal free:36784kB min:37008kB low:46260kB high:55512kB active_anon:9076kB inactive_anon:124kB active_file:248kB inactive_file:136kB unevictable:0kB writepending:0kB present:4718592kB managed:3597488kB mlocked:0kB kernel_stack:2624kB pagetables:1080kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 29.488805] lowmem_reserve[]: 0 0 0 0 [ 29.492637] 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 [ 29.506321] Node 0 DMA32: 4*4kB (M) 5*8kB (UM) 6*16kB (M) 3*32kB (UM) 2*64kB (M) 2*128kB (M) 2*256kB (M) 2*512kB (M) 1*1024kB (M) 4*2048kB (UM) 8*4096kB (M) = 44152kB [ 29.521445] Node 0 Normal: 544*4kB (UME) 374*8kB (UMEH) 230*16kB (UMEH) 133*32kB (MEH) 76*64kB (UM) 29*128kB (M) 9*256kB (UM) 3*512kB (UME) 1*1024kB (M) 3*2048kB (UM) 1*4096kB (M) = 36784kB [ 29.538512] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 29.547092] 85 total pagecache pages [ 29.550802] 0 pages in swap cache [ 29.554249] Swap cache stats: add 0, delete 0, find 0/0 [ 29.559602] Free swap = 0kB [ 29.562618] Total swap = 0kB [ 29.565627] 1965979 pages RAM [ 29.568723] 0 pages HighMem/MovableOnly [ 29.572698] 323018 pages reserved [ 29.576194] Unreclaimable slab info: [ 29.579954] Name Used Total [ 29.585506] TIPC 1KB 7KB [ 29.590874] SCTPv6 2KB 4KB [ 29.596248] DCCPv6 2KB 7KB [ 29.601779] DCCP 2KB 6KB [ 29.607176] fib6_nodes 0KB 4KB [ 29.612536] ip6_dst_cache 6KB 11KB [ 29.617889] RAWv6 9KB 19KB [ 29.623240] UDPv6 12KB 14KB [ 29.628590] TCPv6 2KB 5KB [ 29.633947] sd_ext_cdb 0KB 3KB [ 29.639296] scsi_sense_cache 109KB 172KB [ 29.644646] virtio_scsi_cmd 16KB 16KB [ 29.649997] sgpool-128 8KB 8KB [ 29.655353] sgpool-64 4KB 6KB [ 29.660702] sgpool-32 49KB 55KB [ 29.666056] sgpool-16 12KB 18KB [ 29.671408] sgpool-8 226KB 258KB [ 29.676758] cfq_io_cq 15KB 23KB [ 29.682110] cfq_queue 25KB 34KB [ 29.687462] mqueue_inode_cache 1KB 7KB [ 29.692900] nfs_commit_data 3KB 7KB [ 29.698247] nfs_write_data 34KB 37KB [ 29.703598] jbd2_inode 1KB 3KB [ 29.708947] ext4_system_zone 0KB 3KB [ 29.714300] bio-1 1KB 3KB [ 29.719669] rpc_buffers 17KB 19KB [ 29.725041] rpc_tasks 2KB 3KB [ 29.730465] UNIX 438KB 442KB [ 29.735842] tcp_bind_bucket 0KB 4KB [ 29.741228] ip_fib_trie 0KB 3KB [ 29.746588] ip_fib_alias 0KB 3KB [ 29.751952] ip_dst_cache 4KB 11KB [ 29.757323] RAW 5KB 7KB [ 29.762691] UDP 30KB 32KB [ 29.768050] request_sock_TCP 0KB 3KB [ 29.773410] TCP 7KB 7KB [ 29.778782] hugetlbfs_inode_cache 1KB 7KB [ 29.784483] eventpoll_pwq 10KB 11KB [ 29.789846] eventpoll_epi 19KB 19KB [ 29.795302] inotify_inode_mark 2KB 7KB [ 29.800761] request_queue 53KB 135KB [ 29.806119] blkdev_ioc 22KB 27KB [ 29.811480] bio-0 265KB 336KB [ 29.816851] biovec-(1<<(21-12)) 412KB 412KB [ 29.822382] biovec-128 34KB 44KB [ 29.827743] biovec-64 15KB 31KB [ 29.833129] biovec-16 7KB 15KB [ 29.838502] khugepaged_mm_slot 0KB 3KB [ 29.843947] uid_cache 2KB 3KB [ 29.849308] dmaengine-unmap-2 0KB 3KB [ 29.854680] skbuff_fclone_cache 130KB 131KB [ 29.860208] skbuff_head_cache 1781KB 1781KB [ 29.865568] configfs_dir_cache 0KB 4KB [ 29.871043] file_lock_cache 148KB 150KB [ 29.876426] file_lock_ctx 1KB 3KB [ 29.881783] fsnotify_mark_connector 1KB 3KB [ 29.887670] shmem_inode_cache 776KB 777KB [ 29.893038] task_delay_info 295KB 438KB [ 29.898409] sigqueue 324KB 338KB [ 29.903785] kernfs_node_cache 1701KB 1704KB [ 29.909141] mnt_cache 14KB 20KB [ 29.914502] filp 8220KB 8220KB [ 29.919872] names_cache 112701KB 112739KB [ 29.925249] avc_node 2KB 3KB [ 29.930621] selinux_file_security 410KB 410KB [ 29.936341] selinux_inode_security 1548KB 1548KB [ 29.942153] key_jar 2KB 7KB [ 29.947524] nsproxy 0KB 3KB [ 29.952897] vm_area_struct 17417KB 17441KB [ 29.958254] mm_struct 3594KB 3691KB [ 29.963616] fs_cache 395KB 504KB [ 29.968986] files_cache 1484KB 1680KB [ 29.974360] signal_cache 2317KB 2774KB [ 29.979730] sighand_cache 219KB 291KB [ 29.985104] task_struct 9162KB 9204KB [ 29.990475] cred_jar 2194KB 2456KB [ 29.995849] anon_vma_chain 7300KB 7339KB [ 30.001205] anon_vma 153KB 277KB [ 30.006567] pid 204KB 312KB [ 30.011939] Acpi-Operand 105KB 166KB [ 30.017312] Acpi-ParseExt 0KB 3KB [ 30.022686] Acpi-Parse 0KB 7KB [ 30.028060] Acpi-State 0KB 11KB [ 30.033436] Acpi-Namespace 18KB 19KB [ 30.038807] numa_policy 0KB 3KB [ 30.044165] trace_event_file 139KB 139KB [ 30.049525] ftrace_event_field 245KB 248KB [ 30.054986] pool_workqueue 9KB 12KB [ 30.060359] page->ptl 2817KB 2889KB [ 30.065754] kmalloc-262144 1032KB 1032KB [ 30.071132] kmalloc-131072 650KB 650KB [ 30.076506] kmalloc-65536 264KB 264KB [ 30.081877] kmalloc-32768 462KB 462KB [ 30.087234] kmalloc-16384 132KB 132KB [ 30.092599] kmalloc-8192 346KB 346KB [ 30.097971] kmalloc-4096 14326KB 14365KB [ 30.103338] kmalloc-2048 2809KB 2811KB [ 30.108706] kmalloc-1024 3661KB 3661KB [ 30.114086] kmalloc-512 3345KB 3345KB [ 30.119458] kmalloc-256 1310KB 1477KB [ 30.124837] kmalloc-128 342KB 468KB [ 30.130212] kmalloc-96 358KB 384KB [ 30.135589] kmalloc-64 348KB 424KB [ 30.140964] kmalloc-32 988KB 1393KB [ 30.146369] kmalloc-192 144KB 192KB [ 30.151732] kmem_cache 90KB 93KB [ 30.157104] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 30.165768] [ 1516] 0 1516 5327 120 94208 0 -1000 udevd [ 30.173990] [ 1626] 0 1626 5338 124 86016 0 -1000 udevd [ 30.182134] [ 1628] 0 1628 5346 123 86016 0 -1000 udevd [ 30.190282] [ 2743] 0 2743 2493 574 57344 0 0 dhclient [ 30.198698] [ 2875] 0 2875 30616 109 122880 0 0 rsyslogd [ 30.207127] [ 2910] 0 2910 4725 48 81920 0 0 cron [ 30.215199] [ 2936] 0 2936 12490 152 143360 0 -1000 sshd [ 30.223272] [ 2960] 0 2960 3694 40 77824 0 0 getty [ 30.231430] [ 2961] 0 2961 3694 42 77824 0 0 getty [ 30.239589] [ 2962] 0 2962 3694 40 77824 0 0 getty [ 30.247744] [ 2963] 0 2963 3694 40 77824 0 0 getty [ 30.255898] [ 2964] 0 2964 3694 41 73728 0 0 getty [ 30.264056] [ 2965] 0 2965 3694 41 77824 0 0 getty [ 30.272220] [ 2966] 0 2966 3649 40 73728 0 0 getty [ 30.280380] [ 2984] 0 2984 17821 196 180224 0 0 sshd [ 30.288453] [ 2986] 0 2986 4383 513 40960 0 0 syzkaller046167 [ 30.297470] Out of memory: Kill process 2743 (dhclient) score 0 or sacrifice child [ 30.305520] Killed process 2743 (dhclient) total-vm:9972kB, anon-rss:2296kB, file-rss:0kB, shmem-rss:0kB [ 30.318988] oom_reaper: reaped process 2743 (dhclient), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 30.330670] syzkaller046167 invoked oom-killer: gfp_mask=0x14000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 30.341987] syzkaller046167 cpuset=/ mems_allowed=0 [ 30.347061] CPU: 0 PID: 2986 Comm: syzkaller046167 Not tainted 4.14.0-rc5-mm1+ #20 [ 30.354738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.364059] Call Trace: [ 30.366617] dump_stack+0x194/0x257 [ 30.370218] ? arch_local_irq_restore+0x53/0x53 [ 30.374861] ? dump_header+0x1d9/0xe0e [ 30.379393] dump_header+0x28e/0xe0e [ 30.383088] ? pagefault_out_of_memory+0x152/0x152 [ 30.387987] ? check_noncircular+0x20/0x20 [ 30.392192] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.397366] ? print_irqtrace_events+0x270/0x270 [ 30.402092] ? __lock_acquire+0x6aa/0x3d50 [ 30.406298] ? find_held_lock+0x35/0x1d0 [ 30.410335] ? check_noncircular+0x20/0x20 [ 30.414541] ? task_will_free_mem+0x252/0xaa0 [ 30.419012] ? find_held_lock+0x35/0x1d0 [ 30.423050] ? ___ratelimit+0x30d/0x630 [ 30.426993] ? lock_downgrade+0x990/0x990 [ 30.431111] ? do_raw_spin_trylock+0x190/0x190 [ 30.435664] ? mark_held_locks+0xaf/0x100 [ 30.439781] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 30.444855] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.449841] ? trace_hardirqs_on+0xd/0x10 [ 30.453959] ? ___ratelimit+0x95/0x630 [ 30.457815] ? idr_get_free_cmn+0xfd0/0xfd0 [ 30.462105] ? check_noncircular+0x20/0x20 [ 30.466306] ? find_held_lock+0x138/0x1d0 [ 30.470428] oom_kill_process+0x86d/0x13c0 [ 30.474636] ? has_ns_capability_noaudit+0x163/0x2a0 [ 30.479707] ? lock_downgrade+0x990/0x990 [ 30.483828] ? oom_evaluate_task+0x480/0x480 [ 30.488216] ? security_capable_noaudit+0x8b/0xc0 [ 30.493030] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 30.498102] ? has_capability+0x30/0x30 [ 30.502055] ? check_noncircular+0x20/0x20 [ 30.506271] ? has_capability_noaudit+0x24/0x30 [ 30.510909] ? oom_badness+0xd1/0x980 [ 30.514673] ? lock_release+0xa40/0xa40 [ 30.518614] ? do_try_to_free_pages+0xc53/0x1020 [ 30.523340] ? find_lock_task_mm+0x460/0x460 [ 30.527722] ? find_held_lock+0x35/0x1d0 [ 30.531760] ? out_of_memory+0xaa9/0x11d0 [ 30.535874] ? lock_downgrade+0x990/0x990 [ 30.539995] ? lock_release+0xa40/0xa40 [ 30.543933] ? lock_acquire+0x1d5/0x580 [ 30.547877] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 30.552868] ? oom_evaluate_task+0x284/0x480 [ 30.557249] out_of_memory+0x7dc/0x11d0 [ 30.561204] ? oom_killer_disable+0x310/0x310 [ 30.565668] ? mutex_trylock+0x23a/0x2d0 [ 30.569701] ? __lock_is_held+0xb6/0x140 [ 30.573734] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 30.579165] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 30.584001] ? warn_alloc+0x2f0/0x2f0 [ 30.587777] ? print_irqtrace_events+0x270/0x270 [ 30.592500] ? check_noncircular+0x20/0x20 [ 30.596712] ? print_irqtrace_events+0x270/0x270 [ 30.601456] ? check_noncircular+0x20/0x20 [ 30.605660] ? retint_kernel+0x10/0x10 [ 30.609519] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.614508] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.619261] ? __lock_is_held+0xb6/0x140 [ 30.623304] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 30.629167] ? __might_sleep+0x95/0x190 [ 30.633115] __alloc_pages_nodemask+0x9fb/0xd80 [ 30.637758] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 30.642746] ? mark_held_locks+0xaf/0x100 [ 30.646864] ? retint_kernel+0x10/0x10 [ 30.650723] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.655710] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.660439] ? retint_kernel+0x10/0x10 [ 30.664303] ? relay_open_buf.part.10+0x21f/0x9b0 [ 30.669117] alloc_pages_current+0xb6/0x1e0 [ 30.673410] relay_open_buf.part.10+0x22e/0x9b0 [ 30.678071] relay_open+0x57a/0xa40 [ 30.681673] ? relay_open_buf.part.10+0x9b0/0x9b0 [ 30.686490] ? __debugfs_create_file+0x2cc/0x3e0 [ 30.691218] ? debugfs_create_file+0x57/0x70 [ 30.695601] do_blk_trace_setup+0x4a4/0xcf0 [ 30.699896] ? blk_tracer_print_line+0x40/0x40 [ 30.704446] ? __might_sleep+0x95/0x190 [ 30.708394] ? kasan_check_write+0x14/0x20 [ 30.712596] ? _copy_from_user+0x99/0x110 [ 30.716718] blk_trace_setup+0xbd/0x180 [ 30.720663] ? do_blk_trace_setup+0xcf0/0xcf0 [ 30.725136] ? avc_has_extended_perms+0x6e5/0x12c0 [ 30.730048] sg_ioctl+0xc71/0x2d90 [ 30.733563] ? lock_release+0xa40/0xa40 [ 30.737508] ? __handle_mm_fault+0x587/0x39c0 [ 30.741978] ? sg_new_write.isra.20+0x830/0x830 [ 30.746619] ? is_bpf_text_address+0xa4/0x120 [ 30.751086] ? avc_has_extended_perms+0x7fa/0x12c0 [ 30.755993] ? avc_ss_reset+0x110/0x110 [ 30.759935] ? find_held_lock+0x35/0x1d0 [ 30.763972] ? __do_page_fault+0x64c/0xd60 [ 30.768175] ? lock_downgrade+0x990/0x990 [ 30.772298] ? handle_mm_fault+0x410/0x8d0 [ 30.776521] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 30.782372] ? up_read+0x1a/0x40 [ 30.785709] ? rcu_note_context_switch+0x710/0x710 [ 30.790614] ? sg_new_write.isra.20+0x830/0x830 [ 30.795254] do_vfs_ioctl+0x1b1/0x1520 [ 30.799109] ? _cond_resched+0x14/0x30 [ 30.802969] ? ioctl_preallocate+0x2b0/0x2b0 [ 30.807351] ? selinux_capable+0x40/0x40 [ 30.811382] ? putname+0xf3/0x130 [ 30.814806] ? do_sys_open+0x320/0x6d0 [ 30.818671] ? security_file_ioctl+0x89/0xb0 [ 30.823050] SyS_ioctl+0x8f/0xc0 [ 30.826390] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 30.831112] RIP: 0033:0x443ec9 [ 30.834268] RSP: 002b:00007ffea9d2e2d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000010 [ 30.841943] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443ec9 [ 30.849179] RDX: 000000002084cf90 RSI: 00000000c0481273 RDI: 0000000000000003 [ 30.856418] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 30.863658] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000401bb0 [ 30.870896] R13: 0000000000401c40 R14: 0000000000000000 R15: 0000000000000000 [ 30.878223] Mem-Info: [ 30.880707] active_anon:1713 inactive_anon:32 isolated_anon:0 [ 30.880707] active_file:25 inactive_file:24 isolated_file:0 [ 30.880707] unevictable:0 dirty:0 writeback:0 unstable:0 [ 30.880707] slab_reclaimable:5963 slab_unreclaimable:83475 [ 30.880707] mapped:35 shmem:39 pagetables:270 bounce:0 [ 30.880707] free:24395 free_pcp:64 free_cma:0 [ 30.915087] Node 0 active_anon:6808kB inactive_anon:128kB active_file:112kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:44kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 30.942696] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 30.969616] lowmem_reserve[]: 0 2886 6400 6400 [ 30.975052] Node 0 DMA32 free:44152kB min:30408kB low:38008kB high:45608kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2958448kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 31.003312] lowmem_reserve[]: 0 0 3513 3513 [ 31.008682] Node 0 Normal free:36884kB min:37008kB low:46260kB high:55512kB active_anon:6780kB inactive_anon:124kB active_file:112kB inactive_file:512kB unevictable:0kB writepending:0kB present:4718592kB managed:3597488kB mlocked:0kB kernel_stack:2624kB pagetables:1048kB bounce:0kB free_pcp:652kB local_pcp:0kB free_cma:0kB [ 31.037491] lowmem_reserve[]: 0 0 0 0 [ 31.041365] 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 [ 31.055075] Node 0 DMA32: 4*4kB (M) 5*8kB (UM) 6*16kB (M) 3*32kB (UM) 2*64kB (M) 2*128kB (M) 2*256kB (M) 2*512kB (M) 1*1024kB (M) 4*2048kB (UM) 8*4096kB (M) = 44152kB [ 31.070173] Node 0 Normal: 328*4kB (UME) 358*8kB (UMEH) 244*16kB (UMEH) 156*32kB (UMEH) 92*64kB (UMH) 33*128kB (UM) 9*256kB (M) 3*512kB (UME) 2*1024kB (UM) 2*2048kB (M) 1*4096kB (M) = 37264kB [ 31.087480] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 31.096042] 249 total pagecache pages [ 31.099829] 0 pages in swap cache [ 31.103268] Swap cache stats: add 0, delete 0, find 0/0 [ 31.108634] Free swap = 0kB [ 31.111648] Total swap = 0kB [ 31.114667] 1965979 pages RAM [ 31.117765] 0 pages HighMem/MovableOnly [ 31.121724] 323018 pages reserved [ 31.125173] Unreclaimable slab info: [ 31.128875] Name Used Total [ 31.134419] TIPC 1KB 7KB [ 31.139800] SCTPv6 2KB 4KB [ 31.145183] DCCPv6 2KB 7KB [ 31.150566] DCCP 2KB 6KB [ 31.155960] fib6_nodes 0KB 4KB [ 31.161339] ip6_dst_cache 6KB 11KB [ 31.166703] RAWv6 9KB 19KB [ 31.172075] UDPv6 12KB 14KB [ 31.177454] TCPv6 2KB 5KB [ 31.182843] sd_ext_cdb 0KB 3KB [ 31.188223] scsi_sense_cache 109KB 172KB [ 31.193602] virtio_scsi_cmd 16KB 16KB [ 31.198996] sgpool-128 8KB 8KB [ 31.204604] sgpool-64 4KB 6KB [ 31.210613] sgpool-32 126KB 126KB [ 31.216004] sgpool-16 18KB 18KB [ 31.221449] sgpool-8 221KB 258KB [ 31.226828] cfq_io_cq 15KB 23KB [ 31.232220] cfq_queue 29KB 34KB [ 31.237583] mqueue_inode_cache 1KB 7KB [ 31.243028] nfs_commit_data 3KB 7KB [ 31.248395] nfs_write_data 34KB 37KB [ 31.253774] jbd2_inode 1KB 3KB [ 31.259152] ext4_system_zone 0KB 3KB [ 31.264539] bio-1 1KB 3KB [ 31.269924] rpc_buffers 17KB 19KB [ 31.275303] rpc_tasks 2KB 3KB [ 31.280676] UNIX 436KB 442KB [ 31.286046] tcp_bind_bucket 0KB 4KB [ 31.291395] ip_fib_trie 0KB 3KB [ 31.296742] ip_fib_alias 0KB 3KB [ 31.302089] ip_dst_cache 4KB 11KB [ 31.307454] RAW 5KB 7KB [ 31.312829] UDP 30KB 32KB [ 31.318210] TCP 7KB 7KB [ 31.323591] hugetlbfs_inode_cache 1KB 7KB [ 31.329317] eventpoll_pwq 10KB 11KB [ 31.334700] eventpoll_epi 19KB 19KB [ 31.340074] inotify_inode_mark 2KB 7KB [ 31.345538] request_queue 53KB 135KB [ 31.351035] blkdev_ioc 27KB 27KB [ 31.356394] bio-0 325KB 336KB [ 31.361752] biovec-(1<<(21-12)) 412KB 412KB [ 31.367277] biovec-128 51KB 51KB [ 31.372629] biovec-64 39KB 39KB [ 31.377977] biovec-16 12KB 15KB [ 31.383322] khugepaged_mm_slot 0KB 3KB [ 31.388758] uid_cache 1KB 3KB [ 31.394105] dmaengine-unmap-2 0KB 3KB [ 31.399451] skbuff_fclone_cache 128KB 131KB [ 31.404974] skbuff_head_cache 1779KB 1781KB [ 31.410320] configfs_dir_cache 0KB 4KB [ 31.415755] file_lock_cache 148KB 150KB [ 31.421100] file_lock_ctx 1KB 3KB [ 31.426445] fsnotify_mark_connector 1KB 3KB [ 31.432312] shmem_inode_cache 776KB 777KB [ 31.437658] task_delay_info 294KB 438KB [ 31.443031] sigqueue 319KB 338KB [ 31.448383] kernfs_node_cache 1701KB 1704KB [ 31.453730] mnt_cache 14KB 20KB [ 31.459078] filp 8213KB 8220KB [ 31.464424] names_cache 112004KB 112042KB [ 31.469772] avc_node 2KB 3KB [ 31.475116] selinux_file_security 407KB 410KB [ 31.480809] selinux_inode_security 1547KB 1548KB [ 31.486587] key_jar 2KB 7KB [ 31.491936] nsproxy 0KB 3KB [ 31.497284] vm_area_struct 17416KB 17441KB [ 31.502629] mm_struct 3587KB 3691KB [ 31.507977] fs_cache 394KB 504KB [ 31.513341] files_cache 1473KB 1680KB [ 31.518705] signal_cache 2281KB 2716KB [ 31.524063] sighand_cache 215KB 291KB [ 31.529411] task_struct 9150KB 9204KB [ 31.534756] cred_jar 2188KB 2456KB [ 31.540100] anon_vma_chain 7300KB 7339KB [ 31.545445] anon_vma 148KB 277KB [ 31.550788] pid 202KB 312KB [ 31.556155] Acpi-Operand 105KB 166KB [ 31.561535] Acpi-Parse 0KB 3KB [ 31.566914] Acpi-State 0KB 7KB [ 31.572292] Acpi-Namespace 18KB 19KB [ 31.577653] numa_policy 0KB 3KB [ 31.583027] trace_event_file 139KB 139KB [ 31.588384] ftrace_event_field 245KB 248KB [ 31.593816] pool_workqueue 9KB 12KB [ 31.599162] page->ptl 2815KB 2889KB [ 31.604521] kmalloc-262144 1032KB 1032KB [ 31.609866] kmalloc-131072 650KB 650KB [ 31.615210] kmalloc-65536 264KB 264KB [ 31.620557] kmalloc-32768 462KB 462KB [ 31.625902] kmalloc-16384 132KB 132KB [ 31.631254] kmalloc-8192 346KB 346KB [ 31.636603] kmalloc-4096 14020KB 14059KB [ 31.641952] kmalloc-2048 2807KB 2811KB [ 31.647299] kmalloc-1024 3677KB 3677KB [ 31.652645] kmalloc-512 3342KB 3345KB [ 31.657992] kmalloc-256 1293KB 1462KB [ 31.663341] kmalloc-128 342KB 468KB [ 31.668686] kmalloc-96 358KB 384KB [ 31.674037] kmalloc-64 347KB 424KB [ 31.679386] kmalloc-32 986KB 1393KB [ 31.684733] kmalloc-192 144KB 192KB [ 31.690080] kmem_cache 90KB 93KB [ 31.695427] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 31.704008] [ 1516] 0 1516 5327 119 94208 0 -1000 udevd [ 31.712182] [ 1626] 0 1626 5338 124 86016 0 -1000 udevd [ 31.720312] [ 1628] 0 1628 5346 123 86016 0 -1000 udevd [ 31.728445] [ 2875] 0 2875 30616 167 122880 0 0 rsyslogd [ 31.736835] [ 2910] 0 2910 4725 48 81920 0 0 cron [ 31.744877] [ 2936] 0 2936 12490 152 143360 0 -1000 sshd [ 31.752918] [ 2960] 0 2960 3694 40 77824 0 0 getty [ 31.761051] [ 2961] 0 2961 3694 42 77824 0 0 getty [ 31.769179] [ 2962] 0 2962 3694 40 77824 0 0 getty [ 31.777305] [ 2963] 0 2963 3694 40 77824 0 0 getty [ 31.785501] [ 2964] 0 2964 3694 41 73728 0 0 getty [ 31.793665] [ 2965] 0 2965 3694 41 77824 0 0 getty [ 31.801807] [ 2966] 0 2966 3649 40 73728 0 0 getty [ 31.809941] [ 2984] 0 2984 17821 196 180224 0 0 sshd [ 31.817985] [ 2986] 0 2986 4383 513 40960 0 0 syzkaller046167 [ 31.826982] Out of memory: Kill process 2986 (syzkaller046167) score 0 or sacrifice child [ 31.835334] Killed process 2986 (syzkaller046167) total-vm:17532kB, anon-rss:2052kB, file-rss:0kB, shmem-rss:0kB [ 31.846394] oom_reaper: reaped process 2986 (syzkaller046167), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 31.871117] syzkaller046167 invoked oom-killer: gfp_mask=0x14000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 31.882324] syzkaller046167 cpuset=/ mems_allowed=0 [ 31.887335] CPU: 0 PID: 2986 Comm: syzkaller046167 Not tainted 4.14.0-rc5-mm1+ #20 [ 31.895008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.904334] Call Trace: [ 31.906890] dump_stack+0x194/0x257 [ 31.910523] ? arch_local_irq_restore+0x53/0x53 [ 31.915171] ? dump_header+0x1d9/0xe0e [ 31.919038] dump_header+0x28e/0xe0e [ 31.922738] ? pagefault_out_of_memory+0x152/0x152 [ 31.927634] ? check_noncircular+0x20/0x20 [ 31.931838] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.937004] ? print_irqtrace_events+0x270/0x270 [ 31.941726] ? __lock_acquire+0x6aa/0x3d50 [ 31.945932] ? find_held_lock+0x35/0x1d0 [ 31.949967] ? check_noncircular+0x20/0x20 [ 31.954169] ? task_will_free_mem+0x252/0xaa0 [ 31.958635] ? find_held_lock+0x35/0x1d0 [ 31.962673] ? ___ratelimit+0x30d/0x630 [ 31.966615] ? lock_downgrade+0x990/0x990 [ 31.970736] ? do_raw_spin_trylock+0x190/0x190 [ 31.975289] ? mark_held_locks+0xaf/0x100 [ 31.979407] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 31.984480] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.989463] ? trace_hardirqs_on+0xd/0x10 [ 31.993580] ? ___ratelimit+0x95/0x630 [ 31.997439] ? idr_get_free_cmn+0xfd0/0xfd0 [ 32.001735] ? check_noncircular+0x20/0x20 [ 32.005935] ? find_held_lock+0x138/0x1d0 [ 32.010057] oom_kill_process+0x86d/0x13c0 [ 32.014264] ? has_ns_capability_noaudit+0x163/0x2a0 [ 32.019335] ? check_noncircular+0x20/0x20 [ 32.023540] ? oom_evaluate_task+0x480/0x480 [ 32.027929] ? security_capable_noaudit+0x8b/0xc0 [ 32.032745] ? find_held_lock+0x35/0x1d0 [ 32.036777] ? check_noncircular+0x20/0x20 [ 32.040978] ? oom_unkillable_task+0x394/0x4c0 [ 32.045526] ? lock_downgrade+0x990/0x990 [ 32.049643] ? lock_release+0xa40/0xa40 [ 32.053583] ? do_try_to_free_pages+0xc53/0x1020 [ 32.058306] ? find_lock_task_mm+0x460/0x460 [ 32.062685] ? find_held_lock+0x35/0x1d0 [ 32.066719] ? out_of_memory+0xaa9/0x11d0 [ 32.070836] ? lock_downgrade+0x990/0x990 [ 32.074953] ? lock_release+0xa40/0xa40 [ 32.078893] ? lock_acquire+0x1d5/0x580 [ 32.082836] ? blocking_notifier_call_chain+0x112/0x190 [ 32.088165] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 32.093153] ? oom_evaluate_task+0x284/0x480 [ 32.097534] out_of_memory+0x7dc/0x11d0 [ 32.101483] ? oom_killer_disable+0x310/0x310 [ 32.105945] ? mutex_trylock+0x23a/0x2d0 [ 32.109975] ? __lock_is_held+0xb6/0x140 [ 32.114005] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 32.119439] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 32.124275] ? warn_alloc+0x2f0/0x2f0 [ 32.128045] ? lock_downgrade+0x990/0x990 [ 32.132160] ? load_balance+0x33b0/0x33b0 [ 32.136276] ? do_raw_spin_trylock+0x190/0x190 [ 32.140830] ? mark_held_locks+0xaf/0x100 [ 32.144948] ? _raw_spin_unlock_irq+0x27/0x70 [ 32.149416] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.154411] ? trace_hardirqs_on+0xd/0x10 [ 32.158527] ? mmdrop+0x18/0x30 [ 32.161782] ? check_noncircular+0x20/0x20 [ 32.165993] ? __schedule+0x8f3/0x2060 [ 32.169866] ? __lock_is_held+0xb6/0x140 [ 32.173909] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 32.179769] ? __might_sleep+0x95/0x190 [ 32.183715] __alloc_pages_nodemask+0x9fb/0xd80 [ 32.188358] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 32.193345] ? mark_held_locks+0xaf/0x100 [ 32.197462] ? retint_kernel+0x10/0x10 [ 32.201319] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.206304] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.211043] ? retint_kernel+0x10/0x10 [ 32.214909] ? relay_open_buf.part.10+0x21f/0x9b0 [ 32.219722] alloc_pages_current+0xb6/0x1e0 [ 32.224024] relay_open_buf.part.10+0x22e/0x9b0 [ 32.228672] relay_open+0x57a/0xa40 [ 32.232271] ? relay_open_buf.part.10+0x9b0/0x9b0 [ 32.237085] ? __debugfs_create_file+0x2cc/0x3e0 [ 32.241812] ? debugfs_create_file+0x57/0x70 [ 32.246190] do_blk_trace_setup+0x4a4/0xcf0 [ 32.250485] ? blk_tracer_print_line+0x40/0x40 [ 32.255039] ? __might_sleep+0x95/0x190 [ 32.258986] ? kasan_check_write+0x14/0x20 [ 32.263189] ? _copy_from_user+0x99/0x110 [ 32.267306] blk_trace_setup+0xbd/0x180 [ 32.271250] ? do_blk_trace_setup+0xcf0/0xcf0 [ 32.275724] ? avc_has_extended_perms+0x6e5/0x12c0 [ 32.280632] sg_ioctl+0xc71/0x2d90 [ 32.284140] ? lock_release+0xa40/0xa40 [ 32.288081] ? __handle_mm_fault+0x587/0x39c0 [ 32.292547] ? sg_new_write.isra.20+0x830/0x830 [ 32.297185] ? is_bpf_text_address+0xa4/0x120 [ 32.301650] ? avc_has_extended_perms+0x7fa/0x12c0 [ 32.306556] ? avc_ss_reset+0x110/0x110 [ 32.310496] ? find_held_lock+0x35/0x1d0 [ 32.314531] ? __do_page_fault+0x64c/0xd60 [ 32.318734] ? lock_downgrade+0x990/0x990 [ 32.322856] ? handle_mm_fault+0x410/0x8d0 [ 32.327070] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 32.332921] ? up_read+0x1a/0x40 [ 32.336256] ? rcu_note_context_switch+0x710/0x710 [ 32.341158] ? sg_new_write.isra.20+0x830/0x830 [ 32.345793] do_vfs_ioctl+0x1b1/0x1520 [ 32.349646] ? _cond_resched+0x14/0x30 [ 32.353504] ? ioctl_preallocate+0x2b0/0x2b0 [ 32.357882] ? selinux_capable+0x40/0x40 [ 32.361912] ? putname+0xf3/0x130 [ 32.365334] ? do_sys_open+0x320/0x6d0 [ 32.369201] ? security_file_ioctl+0x89/0xb0 [ 32.373579] SyS_ioctl+0x8f/0xc0 [ 32.377333] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 32.382056] RIP: 0033:0x443ec9 [ 32.385212] RSP: 002b:00007ffea9d2e2d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000010 [ 32.392885] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443ec9 [ 32.400121] RDX: 000000002084cf90 RSI: 00000000c0481273 RDI: 0000000000000003 [ 32.407357] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 32.414596] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000401bb0 [ 32.421834] R13: 0000000000401c40 R14: 0000000000000000 R15: 0000000000000000 [ 32.429202] Mem-Info: [ 32.432744] active_anon:1178 inactive_anon:32 isolated_anon:0 [ 32.432744] active_file:13 inactive_file:8 isolated_file:0 [ 32.432744] unevictable:0 dirty:2 writeback:0 unstable:0 [ 32.432744] slab_reclaimable:5963 slab_unreclaimable:83018 [ 32.432744] mapped:19 shmem:39 pagetables:261 bounce:0 [ 32.432744] free:15700 free_pcp:0 free_cma:0 [ 32.464927] Node 0 active_anon:4712kB inactive_anon:128kB active_file:104kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:76kB dirty:8kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 32.491796] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.518081] lowmem_reserve[]: 0 2886 6400 6400 [ 32.522698] Node 0 DMA32 free:28652kB min:30408kB low:38008kB high:45608kB active_anon:28kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2958448kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.550358] lowmem_reserve[]: 0 0 3513 3513 [ 32.554891] Node 0 Normal free:18944kB min:37008kB low:46260kB high:55512kB active_anon:4684kB inactive_anon:124kB active_file:192kB inactive_file:420kB unevictable:0kB writepending:8kB present:4718592kB managed:3597488kB mlocked:0kB kernel_stack:2592kB pagetables:1044kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.583909] lowmem_reserve[]: 0 0 0 0 [ 32.587707] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 32.601271] Node 0 DMA32: 5*4kB (UM) 4*8kB (M) 7*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 2*512kB (M) 2*1024kB (UM) 4*2048kB (UM) 4*4096kB (M) = 28772kB [ 32.616416] Node 0 Normal: 421*4kB (UME) 275*8kB (UMH) 175*16kB (UMH) 115*32kB (UMH) 63*64kB (UMH) 23*128kB (UMH) 4*256kB (UH) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 19388kB [ 32.632246] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 32.640819] 118 total pagecache pages [ 32.644619] 0 pages in swap cache [ 32.648058] Swap cache stats: add 0, delete 0, find 0/0 [ 32.653404] Free swap = 0kB [ 32.656404] Total swap = 0kB [ 32.659421] 1965979 pages RAM [ 32.662528] 0 pages HighMem/MovableOnly [ 32.666493] 323018 pages reserved [ 32.669930] Unreclaimable slab info: [ 32.673629] Name Used Total [ 32.679153] TIPC 1KB 7KB [ 32.684506] SCTPv6 2KB 4KB [ 32.689859] DCCPv6 2KB 7KB [ 32.695212] DCCP 2KB 6KB [ 32.700572] fib6_nodes 0KB 4KB [ 32.705922] ip6_dst_cache 6KB 11KB [ 32.711276] RAWv6 9KB 19KB [ 32.717168] UDPv6 12KB 14KB [ 32.722547] TCPv6 2KB 5KB [ 32.727909] sd_ext_cdb 0KB 3KB [ 32.733257] scsi_sense_cache 109KB 172KB [ 32.738774] virtio_scsi_cmd 16KB 16KB [ 32.744146] sgpool-128 8KB 8KB [ 32.749520] sgpool-64 4KB 6KB [ 32.754893] sgpool-32 204KB 204KB [ 32.760246] sgpool-16 26KB 26KB [ 32.765608] sgpool-8 238KB 258KB [ 32.770979] cfq_io_cq 15KB 23KB [ 32.776339] cfq_queue 34KB 34KB [ 32.781709] mqueue_inode_cache 1KB 7KB [ 32.787170] nfs_commit_data 3KB 7KB [ 32.792562] nfs_write_data 34KB 37KB [ 32.797945] jbd2_inode 1KB 3KB [ 32.803301] ext4_system_zone 0KB 3KB [ 32.808660] bio-1 1KB 3KB [ 32.814038] rpc_buffers 17KB 19KB [ 32.819393] rpc_tasks 2KB 3KB [ 32.824741] UNIX 435KB 442KB [ 32.830094] tcp_bind_bucket 0KB 4KB [ 32.835451] ip_fib_trie 0KB 3KB [ 32.840804] ip_fib_alias 0KB 3KB [ 32.846153] ip_dst_cache 4KB 11KB [ 32.851981] RAW 5KB 7KB [ 32.857353] UDP 30KB 32KB [ 32.862716] TCP 7KB 7KB [ 32.868063] hugetlbfs_inode_cache 1KB 7KB [ 32.873761] eventpoll_pwq 10KB 11KB [ 32.879110] eventpoll_epi 19KB 19KB [ 32.884459] inotify_inode_mark 2KB 7KB [ 32.889895] request_queue 53KB 135KB [ 32.895244] blkdev_ioc 27KB 27KB [ 32.900591] bio-0 325KB 336KB [ 32.905940] biovec-(1<<(21-12)) 412KB 412KB [ 32.911464] biovec-128 51KB 51KB [ 32.916818] biovec-64 39KB 39KB [ 32.922167] biovec-16 12KB 15KB [ 32.927515] khugepaged_mm_slot 0KB 3KB [ 32.932955] uid_cache 1KB 3KB [ 32.938305] dmaengine-unmap-2 0KB 3KB [ 32.943654] skbuff_fclone_cache 128KB 131KB [ 32.949177] skbuff_head_cache 1779KB 1781KB [ 32.954526] configfs_dir_cache 0KB 4KB [ 32.959963] file_lock_cache 147KB 150KB [ 32.965313] file_lock_ctx 1KB 3KB [ 32.970704] fsnotify_mark_connector 1KB 3KB [ 32.976597] shmem_inode_cache 776KB 777KB [ 32.981968] task_delay_info 289KB 438KB [ 32.987778] sigqueue 318KB 338KB [ 32.993148] kernfs_node_cache 1701KB 1704KB [ 32.998504] mnt_cache 14KB 20KB [ 33.003865] filp 8206KB 8220KB [ 33.009236] names_cache 112004KB 112042KB [ 33.014613] avc_node 2KB 3KB [ 33.019970] selinux_file_security 406KB 410KB [ 33.025680] selinux_inode_security 1547KB 1548KB [ 33.031471] key_jar 2KB 7KB [ 33.036859] nsproxy 0KB 3KB [ 33.042232] vm_area_struct 17413KB 17441KB [ 33.047605] mm_struct 3580KB 3691KB [ 33.052960] fs_cache 388KB 504KB [ 33.058327] files_cache 1463KB 1676KB [ 33.063683] signal_cache 2274KB 2716KB [ 33.069044] sighand_cache 203KB 284KB [ 33.074415] task_struct 9138KB 9192KB [ 33.079772] cred_jar 2182KB 2456KB [ 33.085136] anon_vma_chain 7298KB 7339KB [ 33.090512] anon_vma 142KB 277KB [ 33.095868] pid 199KB 312KB [ 33.101239] Acpi-Operand 105KB 166KB [ 33.106596] Acpi-Parse 0KB 3KB [ 33.111959] Acpi-State 0KB 7KB [ 33.117335] Acpi-Namespace 18KB 19KB [ 33.123552] numa_policy 0KB 3KB [ 33.128931] trace_event_file 139KB 139KB [ 33.134287] ftrace_event_field 245KB 248KB [ 33.139735] pool_workqueue 9KB 12KB [ 33.145106] page->ptl 2813KB 2889KB [ 33.150503] kmalloc-262144 1032KB 1032KB [ 33.155859] kmalloc-131072 650KB 650KB [ 33.161222] kmalloc-65536 264KB 264KB [ 33.166604] kmalloc-32768 462KB 462KB [ 33.171959] kmalloc-16384 132KB 132KB [ 33.177323] kmalloc-8192 346KB 346KB [ 33.182678] kmalloc-4096 14020KB 14059KB [ 33.188037] kmalloc-2048 2805KB 2811KB [ 33.193436] kmalloc-1024 3677KB 3677KB [ 33.198806] kmalloc-512 3342KB 3345KB [ 33.204170] kmalloc-256 1293KB 1462KB [ 33.209543] kmalloc-128 341KB 468KB [ 33.214917] kmalloc-96 358KB 384KB [ 33.220275] kmalloc-64 347KB 424KB [ 33.225640] kmalloc-32 986KB 1393KB [ 33.231058] kmalloc-192 144KB 192KB [ 33.236435] kmem_cache 90KB 93KB [ 33.242226] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 33.250823] [ 1516] 0 1516 5327 119 94208 0 -1000 udevd [ 33.258981] [ 1626] 0 1626 5338 124 86016 0 -1000 udevd [ 33.267134] [ 1628] 0 1628 5346 123 86016 0 -1000 udevd [ 33.275292] [ 2875] 0 2875 30616 167 122880 0 0 rsyslogd [ 33.283730] [ 2910] 0 2910 4725 48 81920 0 0 cron [ 33.291799] [ 2936] 0 2936 12490 152 143360 0 -1000 sshd [ 33.299871] [ 2960] 0 2960 3694 40 77824 0 0 getty [ 33.308038] [ 2961] 0 2961 3694 42 77824 0 0 getty [ 33.316199] [ 2962] 0 2962 3694 40 77824 0 0 getty [ 33.324360] [ 2963] 0 2963 3694 40 77824 0 0 getty [ 33.332526] [ 2964] 0 2964 3694 41 73728 0 0 getty [ 33.340679] [ 2965] 0 2965 3694 41 77824 0 0 getty [ 33.348832] [ 2966] 0 2966 3649 40 73728 0 0 getty [ 33.356987] [ 2984] 0 2984 17821 196 180224 0 0 sshd [ 33.365071] [ 2986] 0 2986 4383 0 36864 0 0 syzkaller046167 [ 33.374089] Out of memory: Kill process 2984 (sshd) score 0 or sacrifice child Connection to ci-upstream-mmots-kasan-gce-7 closed by remote host. [ 33.382353] Killed process 2984 (sshd) total-vm:71284kB,