Debian GNU/Linux 7 syzkaller ttyS0 2017/08/16 13:25:50 parsed 1 programs 2017/08/16 13:25:50 executed programs: 0 2017/08/16 13:25:55 executed programs: 114 syzkaller login: [ 42.761749] syz-executor0: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 42.763266] syz-executor0 cpuset=/ mems_allowed=0-1 [ 42.763925] CPU: 2 PID: 3538 Comm: syz-executor0 Not tainted 4.13.0-rc5-next-20170816+ #4 [ 42.765066] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 42.766440] Call Trace: [ 42.766835] dump_stack+0x194/0x257 [ 42.767407] ? arch_local_irq_restore+0x53/0x53 [ 42.767865] ? isolate_lru_page+0x11d0/0x11d0 [ 42.768314] warn_alloc+0x1c2/0x2f0 [ 42.768669] ? zone_watermark_ok_safe+0x430/0x430 [ 42.769136] ? get_page_from_freelist+0x123e/0x3430 [ 42.769678] ? wake_all_kswapds+0x181/0x390 [ 42.770169] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 42.770703] ? task_fork_fair+0x7b0/0x7b0 [ 42.771146] ? warn_alloc+0x2f0/0x2f0 [ 42.771542] ? dequeue_task_fair+0x16d8/0x68b0 [ 42.771999] ? __get_user_pages_fast+0xa22/0x2ea0 [ 42.772604] ? get_dump_page+0x150/0x150 [ 42.773052] ? __put_compound_page+0xb0/0xb0 [ 42.773767] ? __isolate_free_page+0x8a0/0x8a0 [ 42.774239] ? lock_downgrade+0x990/0x990 [ 42.774657] ? trace_hardirqs_on+0xd/0x10 [ 42.775083] ? __get_user_pages_fast+0xa22/0x2ea0 [ 42.775600] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.776137] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.776806] ? retint_kernel+0x10/0x10 [ 42.777151] __alloc_pages_nodemask+0x9f7/0xd80 [ 42.777517] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 42.777900] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 42.778280] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 42.778672] ? pagevec_lru_move_fn+0x178/0x260 [ 42.779034] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.779408] ? retint_kernel+0x10/0x10 [ 42.779717] ? policy_node+0xa/0x110 [ 42.780011] alloc_pages_current+0xb6/0x1e0 [ 42.780353] skb_copy_ubufs+0x41d/0x1940 [ 42.780671] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 42.781073] ? save_stack+0xa3/0xd0 [ 42.781358] ? kasan_kmalloc+0xad/0xe0 [ 42.781663] ? skb_release_data+0x790/0x790 [ 42.782001] ? lock_acquire+0x1d5/0x580 [ 42.782315] ? __is_insn_slot_addr+0x1fc/0x330 [ 42.782673] ? lock_downgrade+0x990/0x990 [ 42.782999] ? lock_release+0xa40/0xa40 [ 42.783310] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 42.783767] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 42.784153] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 42.784527] ? lock_acquire+0x1d5/0x580 [ 42.784838] ? lock_acquire+0x1d5/0x580 [ 42.785153] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.785559] ? lock_release+0xa40/0xa40 [ 42.785869] ? __free_insn_slot+0x5c0/0x5c0 [ 42.786211] ? unwind_dump+0x4c0/0x4c0 [ 42.786522] __netif_receive_skb_core+0x24a2/0x33d0 [ 42.786913] ? unwind_get_return_address+0x61/0xa0 [ 42.787303] ? nf_ingress+0x9f0/0x9f0 [ 42.787601] ? save_stack+0xa3/0xd0 [ 42.787885] ? save_stack_trace+0x16/0x20 [ 42.788210] ? save_stack+0x43/0xd0 [ 42.788493] ? kasan_kmalloc+0xad/0xe0 [ 42.788806] ? kasan_slab_alloc+0x12/0x20 [ 42.789140] ? kmem_cache_alloc+0x12e/0x760 [ 42.789488] ? __build_skb+0x9d/0x450 [ 42.789792] ? build_skb+0x6f/0x260 [ 42.790090] ? tun_get_user+0x1db7/0x2150 [ 42.790422] ? tun_chr_write_iter+0xd8/0x190 [ 42.790778] ? __vfs_write+0x684/0x970 [ 42.791091] ? vfs_write+0x189/0x510 [ 42.791390] ? SyS_write+0xef/0x220 [ 42.791681] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 42.792083] ? __schedule+0x8f0/0x2070 [ 42.792401] ? __skb_flow_dissect+0xfa6/0x3ad0 [ 42.792767] ? __sched_text_start+0x8/0x8 [ 42.793107] ? plist_check_list+0x7e/0xa0 [ 42.793445] ? __skb_flow_get_ports+0x400/0x400 [ 42.793822] ? validate_xmit_skb+0x660/0xb20 [ 42.794185] ? lock_acquire+0x1d5/0x580 [ 42.794509] ? netif_receive_skb_internal+0x1d7/0x5e0 [ 42.795195] ? lock_downgrade+0x990/0x990 [ 42.795535] ? kasan_kmalloc+0x81/0xe0 [ 42.795850] ? pvclock_read_flags+0x160/0x160 [ 42.796215] ? __build_skb+0x325/0x450 [ 42.796531] ? lock_acquire+0x1d5/0x580 [ 42.796854] ? lock_acquire+0x1d5/0x580 [ 42.797177] ? netif_receive_skb_internal+0x93/0x5e0 [ 42.797591] ? ktime_get_with_offset+0x2c1/0x420 [ 42.797976] ? lock_release+0xa40/0xa40 [ 42.798307] ? do_gettimeofday+0x190/0x190 [ 42.798650] ? __build_skb+0x450/0x450 [ 42.798969] __netif_receive_skb+0x2c/0x1b0 [ 42.799320] ? __netif_receive_skb+0x2c/0x1b0 [ 42.799685] netif_receive_skb_internal+0x10b/0x5e0 [ 42.800091] ? dev_cpu_dead+0xb00/0xb00 [ 42.800416] ? tun_device_event+0xca0/0xca0 [ 42.800766] ? futex_wake+0x680/0x680 [ 42.801074] ? __unqueue_futex+0x1c0/0x290 [ 42.801420] ? drop_futex_key_refs.isra.13+0x63/0xb0 [ 42.801834] netif_receive_skb+0xae/0x390 [ 42.802174] ? netif_receive_skb_internal+0x5e0/0x5e0 [ 42.802594] ? mark_wake_futex+0xc0/0x1c0 [ 42.802928] ? futex_wait_setup+0x3d0/0x3d0 [ 42.803281] ? tun_rx_batched.isra.43+0x5bd/0x860 [ 42.803673] tun_rx_batched.isra.43+0x5e7/0x860 [ 42.804053] ? skb_get_hash_perturb+0x9d0/0x9d0 [ 42.804431] ? tun_sock_write_space+0x370/0x370 [ 42.804809] ? tun_free_netdev+0x1b0/0x1b0 [ 42.805160] tun_get_user+0x11dd/0x2150 [ 42.805490] ? tun_flow_update+0xf70/0xf70 [ 42.805835] ? lock_acquire+0x1d5/0x580 [ 42.806160] ? lock_acquire+0x1d5/0x580 [ 42.806481] ? __tun_get+0x1ab/0x2e0 [ 42.806783] ? lock_downgrade+0x990/0x990 [ 42.807122] ? lock_release+0xa40/0xa40 [ 42.807445] ? __fget+0x35c/0x570 [ 42.807725] ? sock_getsockopt+0x1aa/0x2d40 [ 42.808084] ? __tun_get+0x1d4/0x2e0 [ 42.808386] ? tun_chr_close+0x60/0x60 [ 42.808702] ? __fget+0x35c/0x570 [ 42.808984] tun_chr_write_iter+0xd8/0x190 [ 42.809331] __vfs_write+0x684/0x970 [ 42.809634] ? default_llseek+0x290/0x290 [ 42.809973] ? _cond_resched+0x14/0x30 [ 42.810296] ? avc_policy_seqno+0x9/0x20 [ 42.810627] ? selinux_file_permission+0x82/0x460 [ 42.811024] ? rw_verify_area+0xe5/0x2b0 [ 42.811352] ? __fdget_raw+0x20/0x20 [ 42.811655] vfs_write+0x189/0x510 [ 42.811945] SyS_write+0xef/0x220 [ 42.812229] ? SyS_read+0x220/0x220 [ 42.812525] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.812913] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 42.813300] RIP: 0033:0x40bab1 [ 42.813558] RSP: 002b:00007f95ebbbec00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 42.814185] RAX: ffffffffffffffda RBX: 000000000000002e RCX: 000000000040bab1 [ 42.814769] RDX: 000000000000002e RSI: 00000000209cbfd2 RDI: 0000000000000003 [ 42.815354] RBP: 00007ffca500f4d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.816203] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 42.816786] R13: 0000000000000000 R14: 00007f95ebbbf9c0 R15: 00007f95ebbbf700 [ 42.817425] Mem-Info: [ 42.817711] active_anon:6930 inactive_anon:42 isolated_anon:0 [ 42.817711] active_file:99 inactive_file:73 isolated_file:32 [ 42.817711] unevictable:0 dirty:9 writeback:4 unstable:0 [ 42.817711] slab_reclaimable:5239 slab_unreclaimable:24242 [ 42.817711] mapped:142 shmem:49 pagetables:302 bounce:0 [ 42.817711] free:9212 free_pcp:1247 free_cma:0 [ 42.820365] Node 0 active_anon:20740kB inactive_anon:100kB active_file:312kB inactive_file:224kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:408kB dirty:12kB writeback:8kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 42.822609] Node 1 active_anon:6980kB inactive_anon:68kB active_file:84kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:60kB dirty:24kB writeback:8kB shmem:80kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 42.824802] Node 0 DMA free:3756kB min:640kB low:800kB high:960kB 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 [ 42.826937] lowmem_reserve[]: 0 884 884 884 [ 42.827319] Node 0 DMA32 free:18488kB min:36500kB low:45624kB high:54748kB active_anon:20740kB inactive_anon:100kB active_file:440kB inactive_file:252kB unevictable:0kB writepending:20kB present:1032192kB managed:907900kB mlocked:0kB kernel_stack:2880kB pagetables:596kB bounce:0kB free_pcp:2724kB local_pcp:684kB free_cma:0kB [ 42.829686] lowmem_reserve[]: 0 0 0 0 [ 42.830058] Node 1 DMA32 free:15108kB min:30440kB low:38048kB high:45656kB active_anon:6980kB inactive_anon:68kB active_file:84kB inactive_file:64kB unevictable:0kB writepending:32kB present:1048560kB managed:755224kB mlocked:0kB kernel_stack:1216kB pagetables:612kB bounce:0kB free_pcp:2256kB local_pcp:260kB free_cma:0kB [ 42.832402] lowmem_reserve[]: 0 0 0 0 [ 42.832726] Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 0*256kB 1*512kB (U) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 3756kB [ 42.833979] Node 0 DMA32: 370*4kB (UME) 262*8kB (UME) 181*16kB (UME) 100*32kB (UME) 40*64kB (M) 10*128kB (UM) 3*256kB (UME) 3*512kB (UME) 1*1024kB (E) 0*2048kB 1*4096kB (M) = 20936kB [ 42.835634] Node 1 DMA32: 307*4kB (UME) 186*8kB (UM) 93*16kB (UME) 37*32kB (UME) 25*64kB (ME) 6*128kB (UM) 5*256kB (ME) 2*512kB (UM) 3*1024kB (ME) 2*2048kB (M) 0*4096kB = 17228kB [ 42.837832] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.838673] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.839261] 152 total pagecache pages [ 42.839512] 0 pages in swap cache [ 42.839737] Swap cache stats: add 0, delete 0, find 0/0 [ 42.840112] Free swap = 0kB [ 42.840324] Total swap = 0kB [ 42.840522] 524186 pages RAM [ 42.840719] 0 pages HighMem/MovableOnly [ 42.840980] 104428 pages reserved [ 43.042944] syz-executor0: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 43.043638] syz-executor0 cpuset=/ mems_allowed=0-1 [ 43.044084] CPU: 2 PID: 3538 Comm: syz-executor0 Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.044713] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.045313] Call Trace: [ 43.045487] dump_stack+0x194/0x257 [ 43.045756] ? arch_local_irq_restore+0x53/0x53 [ 43.046160] ? isolate_lru_page+0x11d0/0x11d0 [ 43.046450] warn_alloc+0x1c2/0x2f0 [ 43.046684] ? zone_watermark_ok_safe+0x430/0x430 [ 43.046991] ? get_page_from_freelist+0x123e/0x3430 [ 43.047357] ? wake_all_kswapds+0x181/0x390 [ 43.047635] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 43.047957] ? task_fork_fair+0x7b0/0x7b0 [ 43.048252] ? warn_alloc+0x2f0/0x2f0 [ 43.048498] ? dequeue_task_fair+0x16d8/0x68b0 [ 43.048790] ? __get_user_pages_fast+0xa22/0x2ea0 [ 43.049151] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.049455] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.049759] ? mem_cgroup_cancel_charge+0x170/0x170 [ 43.050111] ? kernel_poison_pages+0xe5/0x210 [ 43.050399] ? trace_hardirqs_on+0xd/0x10 [ 43.050708] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.051515] ? retint_kernel+0x10/0x10 [ 43.051803] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.052150] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.052486] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 43.052799] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.053154] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.053481] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.053804] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.054126] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.054439] ? retint_kernel+0x10/0x10 [ 43.054702] alloc_pages_current+0xb6/0x1e0 [ 43.055028] skb_copy_ubufs+0x41d/0x1940 [ 43.055337] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 43.055674] ? save_stack+0xa3/0xd0 [ 43.055925] ? kasan_kmalloc+0xad/0xe0 [ 43.056183] ? skb_release_data+0x790/0x790 [ 43.056464] ? lock_acquire+0x1d5/0x580 [ 43.056726] ? __is_insn_slot_addr+0x1fc/0x330 [ 43.057025] ? lock_downgrade+0x990/0x990 [ 43.057299] ? lock_release+0xa40/0xa40 [ 43.057560] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 43.057946] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.058279] ? lock_acquire+0x1d5/0x580 [ 43.058533] ? lock_acquire+0x1d5/0x580 [ 43.058816] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.059176] ? lock_release+0xa40/0xa40 [ 43.059429] ? __free_insn_slot+0x5c0/0x5c0 [ 43.059713] __netif_receive_skb_core+0x24a2/0x33d0 [ 43.060058] ? unwind_get_return_address+0x61/0xa0 [ 43.060390] ? nf_ingress+0x9f0/0x9f0 [ 43.060675] ? save_stack+0xa3/0xd0 [ 43.060908] ? save_stack_trace+0x16/0x20 [ 43.061200] ? save_stack+0x43/0xd0 [ 43.061432] ? kasan_kmalloc+0xad/0xe0 [ 43.061680] ? kasan_slab_alloc+0x12/0x20 [ 43.061945] ? kmem_cache_alloc+0x12e/0x760 [ 43.062263] ? __build_skb+0x9d/0x450 [ 43.062506] ? build_skb+0x6f/0x260 [ 43.062739] ? tun_get_user+0x1db7/0x2150 [ 43.063034] ? tun_chr_write_iter+0xd8/0x190 [ 43.063326] ? __vfs_write+0x684/0x970 [ 43.063576] ? vfs_write+0x189/0x510 [ 43.063812] ? SyS_write+0xef/0x220 [ 43.064072] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.064403] ? __schedule+0x8f0/0x2070 [ 43.064655] ? __skb_flow_dissect+0xfa6/0x3ad0 [ 43.064943] ? __sched_text_start+0x8/0x8 [ 43.065238] ? plist_check_list+0x7e/0xa0 [ 43.065508] ? __skb_flow_get_ports+0x400/0x400 [ 43.065851] ? validate_xmit_skb+0x660/0xb20 [ 43.066166] ? lock_acquire+0x1d5/0x580 [ 43.066423] ? netif_receive_skb_internal+0x1d7/0x5e0 [ 43.066755] ? lock_downgrade+0x990/0x990 [ 43.067038] ? kasan_kmalloc+0x81/0xe0 [ 43.067303] ? pvclock_read_flags+0x160/0x160 [ 43.067638] ? __build_skb+0x325/0x450 [ 43.067910] ? lock_acquire+0x1d5/0x580 [ 43.068198] ? lock_acquire+0x1d5/0x580 [ 43.068460] ? netif_receive_skb_internal+0x93/0x5e0 [ 43.068797] ? ktime_get_with_offset+0x2c1/0x420 [ 43.069137] ? lock_release+0xa40/0xa40 [ 43.069410] ? do_gettimeofday+0x190/0x190 [ 43.069715] ? __build_skb+0x450/0x450 [ 43.069974] __netif_receive_skb+0x2c/0x1b0 [ 43.070286] ? __netif_receive_skb+0x2c/0x1b0 [ 43.070613] netif_receive_skb_internal+0x10b/0x5e0 [ 43.070997] ? dev_cpu_dead+0xb00/0xb00 [ 43.071340] ? tun_device_event+0xca0/0xca0 [ 43.071640] ? futex_wake+0x680/0x680 [ 43.071890] ? __unqueue_futex+0x1c0/0x290 [ 43.072561] ? drop_futex_key_refs.isra.13+0x63/0xb0 [ 43.072965] netif_receive_skb+0xae/0x390 [ 43.073319] ? netif_receive_skb_internal+0x5e0/0x5e0 [ 43.073739] ? mark_wake_futex+0xc0/0x1c0 [ 43.074033] ? futex_wait_setup+0x3d0/0x3d0 [ 43.074332] ? tun_rx_batched.isra.43+0x5bd/0x860 [ 43.074704] tun_rx_batched.isra.43+0x5e7/0x860 [ 43.075024] ? skb_get_hash_perturb+0x9d0/0x9d0 [ 43.075398] ? tun_sock_write_space+0x370/0x370 [ 43.075706] ? tun_free_netdev+0x1b0/0x1b0 [ 43.076016] tun_get_user+0x11dd/0x2150 [ 43.076322] ? tun_flow_update+0xf70/0xf70 [ 43.076643] ? lock_acquire+0x1d5/0x580 [ 43.076928] ? lock_acquire+0x1d5/0x580 [ 43.077203] ? __tun_get+0x1ab/0x2e0 [ 43.077487] ? lock_downgrade+0x990/0x990 [ 43.077774] ? lock_release+0xa40/0xa40 [ 43.078090] ? __fget+0x35c/0x570 [ 43.078329] ? sock_getsockopt+0x1aa/0x2d40 [ 43.078643] ? __tun_get+0x1d4/0x2e0 [ 43.078940] ? tun_chr_close+0x60/0x60 [ 43.079263] ? __fget+0x35c/0x570 [ 43.079505] tun_chr_write_iter+0xd8/0x190 [ 43.079822] __vfs_write+0x684/0x970 [ 43.080081] ? default_llseek+0x290/0x290 [ 43.080394] ? _cond_resched+0x14/0x30 [ 43.080676] ? avc_policy_seqno+0x9/0x20 [ 43.080955] ? selinux_file_permission+0x82/0x460 [ 43.081315] ? rw_verify_area+0xe5/0x2b0 [ 43.081607] ? __fdget_raw+0x20/0x20 [ 43.081850] vfs_write+0x189/0x510 [ 43.082087] SyS_write+0xef/0x220 [ 43.082343] ? SyS_read+0x220/0x220 [ 43.082595] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.082936] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.083299] RIP: 0033:0x40bab1 [ 43.083507] RSP: 002b:00007f95ebbbec00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 43.084032] RAX: ffffffffffffffda RBX: 000000000000002e RCX: 000000000040bab1 [ 43.084557] RDX: 000000000000002e RSI: 00000000209cbfd2 RDI: 0000000000000003 [ 43.085082] RBP: 00007ffca500f4d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.085567] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 43.086079] R13: 0000000000000000 R14: 00007f95ebbbf9c0 R15: 00007f95ebbbf700 [ 43.290621] syz-executor0: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 43.291306] syz-executor0 cpuset=/ mems_allowed=0-1 [ 43.291632] CPU: 2 PID: 3538 Comm: syz-executor0 Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.292205] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.292721] Call Trace: [ 43.292891] dump_stack+0x194/0x257 [ 43.293155] ? arch_local_irq_restore+0x53/0x53 [ 43.293456] ? isolate_lru_page+0x11d0/0x11d0 [ 43.293745] warn_alloc+0x1c2/0x2f0 [ 43.293979] ? zone_watermark_ok_safe+0x430/0x430 [ 43.294340] ? get_page_from_freelist+0x123e/0x3430 [ 43.294779] ? wake_all_kswapds+0x181/0x390 [ 43.295108] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 43.295493] ? task_fork_fair+0x7b0/0x7b0 [ 43.295808] ? warn_alloc+0x2f0/0x2f0 [ 43.296085] ? dequeue_task_fair+0x16d8/0x68b0 [ 43.296440] ? __get_user_pages_fast+0xa22/0x2ea0 [ 43.296763] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.297092] ? retint_kernel+0x10/0x10 [ 43.297362] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.297677] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.297989] ? mem_cgroup_cancel_charge+0x170/0x170 [ 43.298326] ? kernel_poison_pages+0xe5/0x210 [ 43.298622] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.298937] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.299253] ? retint_kernel+0x10/0x10 [ 43.299514] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.299820] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.300143] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 43.300457] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.300787] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.301112] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.301416] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.301728] alloc_pages_current+0xb6/0x1e0 [ 43.302022] skb_copy_ubufs+0x41d/0x1940 [ 43.302297] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 43.302641] ? save_stack+0xa3/0xd0 [ 43.302894] ? kasan_kmalloc+0xad/0xe0 [ 43.303179] ? skb_release_data+0x790/0x790 [ 43.303463] ? lock_acquire+0x1d5/0x580 [ 43.303727] ? __is_insn_slot_addr+0x1fc/0x330 [ 43.304030] ? lock_downgrade+0x990/0x990 [ 43.304306] ? lock_release+0xa40/0xa40 [ 43.304569] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 43.304956] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.305285] ? lock_acquire+0x1d5/0x580 [ 43.305547] ? lock_acquire+0x1d5/0x580 [ 43.305811] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.306154] ? lock_release+0xa40/0xa40 [ 43.306739] ? __free_insn_slot+0x5c0/0x5c0 [ 43.307044] __netif_receive_skb_core+0x24a2/0x33d0 [ 43.307399] ? unwind_get_return_address+0x61/0xa0 [ 43.307754] ? nf_ingress+0x9f0/0x9f0 [ 43.308019] ? save_stack+0xa3/0xd0 [ 43.308274] ? save_stack_trace+0x16/0x20 [ 43.308600] ? save_stack+0x43/0xd0 [ 43.308879] ? kasan_kmalloc+0xad/0xe0 [ 43.309146] ? kasan_slab_alloc+0x12/0x20 [ 43.309443] ? kmem_cache_alloc+0x12e/0x760 [ 43.309740] ? __build_skb+0x9d/0x450 [ 43.309991] ? build_skb+0x6f/0x260 [ 43.310292] ? tun_get_user+0x1db7/0x2150 [ 43.310580] ? tun_chr_write_iter+0xd8/0x190 [ 43.310884] ? __vfs_write+0x684/0x970 [ 43.311194] ? vfs_write+0x189/0x510 [ 43.311465] ? SyS_write+0xef/0x220 [ 43.311731] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.312099] ? __schedule+0x8f0/0x2070 [ 43.312372] ? __skb_flow_dissect+0xfa6/0x3ad0 [ 43.312672] ? __sched_text_start+0x8/0x8 [ 43.312974] ? plist_check_list+0x7e/0xa0 [ 43.313278] ? __skb_flow_get_ports+0x400/0x400 [ 43.313640] ? validate_xmit_skb+0x660/0xb20 [ 43.313988] ? lock_acquire+0x1d5/0x580 [ 43.314279] ? netif_receive_skb_internal+0x1d7/0x5e0 [ 43.314661] ? lock_downgrade+0x990/0x990 [ 43.314950] ? kasan_kmalloc+0x81/0xe0 [ 43.315221] ? pvclock_read_flags+0x160/0x160 [ 43.315529] ? __build_skb+0x325/0x450 [ 43.315814] ? lock_acquire+0x1d5/0x580 [ 43.316088] ? lock_acquire+0x1d5/0x580 [ 43.316391] ? netif_receive_skb_internal+0x93/0x5e0 [ 43.316781] ? ktime_get_with_offset+0x2c1/0x420 [ 43.317135] ? lock_release+0xa40/0xa40 [ 43.317437] ? do_gettimeofday+0x190/0x190 [ 43.317729] ? __build_skb+0x450/0x450 [ 43.318058] __netif_receive_skb+0x2c/0x1b0 [ 43.318342] ? __netif_receive_skb+0x2c/0x1b0 [ 43.318666] netif_receive_skb_internal+0x10b/0x5e0 [ 43.319010] ? dev_cpu_dead+0xb00/0xb00 [ 43.319270] ? tun_device_event+0xca0/0xca0 [ 43.319557] ? futex_wake+0x680/0x680 [ 43.319805] ? __unqueue_futex+0x1c0/0x290 [ 43.320085] ? drop_futex_key_refs.isra.13+0x63/0xb0 [ 43.320421] netif_receive_skb+0xae/0x390 [ 43.320694] ? netif_receive_skb_internal+0x5e0/0x5e0 [ 43.321034] ? mark_wake_futex+0xc0/0x1c0 [ 43.321314] ? futex_wait_setup+0x3d0/0x3d0 [ 43.321589] ? tun_rx_batched.isra.43+0x5bd/0x860 [ 43.321902] tun_rx_batched.isra.43+0x5e7/0x860 [ 43.322246] ? skb_get_hash_perturb+0x9d0/0x9d0 [ 43.322546] ? tun_sock_write_space+0x370/0x370 [ 43.322843] ? tun_free_netdev+0x1b0/0x1b0 [ 43.323148] tun_get_user+0x11dd/0x2150 [ 43.323405] ? tun_flow_update+0xf70/0xf70 [ 43.323679] ? lock_acquire+0x1d5/0x580 [ 43.323931] ? lock_acquire+0x1d5/0x580 [ 43.324228] ? __tun_get+0x1ab/0x2e0 [ 43.324466] ? lock_downgrade+0x990/0x990 [ 43.324734] ? lock_release+0xa40/0xa40 [ 43.324989] ? __fget+0x35c/0x570 [ 43.325238] ? sock_getsockopt+0x1aa/0x2d40 [ 43.325518] ? __tun_get+0x1d4/0x2e0 [ 43.325757] ? tun_chr_close+0x60/0x60 [ 43.326023] ? __fget+0x35c/0x570 [ 43.326274] tun_chr_write_iter+0xd8/0x190 [ 43.326546] __vfs_write+0x684/0x970 [ 43.326787] ? default_llseek+0x290/0x290 [ 43.327084] ? _cond_resched+0x14/0x30 [ 43.327349] ? avc_policy_seqno+0x9/0x20 [ 43.328097] ? selinux_file_permission+0x82/0x460 [ 43.328417] ? rw_verify_area+0xe5/0x2b0 [ 43.328683] ? __fdget_raw+0x20/0x20 [ 43.328930] vfs_write+0x189/0x510 [ 43.329168] SyS_write+0xef/0x220 [ 43.329398] ? SyS_read+0x220/0x220 [ 43.329639] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.329953] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.330285] RIP: 0033:0x40bab1 [ 43.330536] RSP: 002b:00007f95ebbbec00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 43.331081] RAX: ffffffffffffffda RBX: 000000000000002e RCX: 000000000040bab1 [ 43.331637] RDX: 000000000000002e RSI: 00000000209cbfd2 RDI: 0000000000000003 [ 43.332138] RBP: 00007ffca500f4d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.332636] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 43.333164] R13: 0000000000000000 R14: 00007f95ebbbf9c0 R15: 00007f95ebbbf700 [ 43.538513] syz-executor0: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 43.539232] syz-executor0 cpuset=/ mems_allowed=0-1 [ 43.539585] CPU: 2 PID: 3538 Comm: syz-executor0 Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.540226] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.540773] Call Trace: [ 43.540987] dump_stack+0x194/0x257 [ 43.541262] ? arch_local_irq_restore+0x53/0x53 [ 43.542117] ? isolate_lru_page+0x11d0/0x11d0 [ 43.542437] warn_alloc+0x1c2/0x2f0 [ 43.542700] ? zone_watermark_ok_safe+0x430/0x430 [ 43.543052] ? get_page_from_freelist+0x123e/0x3430 [ 43.543387] ? wake_all_kswapds+0x181/0x390 [ 43.543693] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 43.544069] ? task_fork_fair+0x7b0/0x7b0 [ 43.544335] ? warn_alloc+0x2f0/0x2f0 [ 43.544606] ? dequeue_task_fair+0x16d8/0x68b0 [ 43.544924] ? __get_user_pages_fast+0xa22/0x2ea0 [ 43.545304] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.545635] ? retint_kernel+0x10/0x10 [ 43.545911] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.546260] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.546591] ? mem_cgroup_cancel_charge+0x170/0x170 [ 43.546952] ? kernel_poison_pages+0xe5/0x210 [ 43.547309] ? trace_hardirqs_on+0xd/0x10 [ 43.547601] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.547933] ? retint_kernel+0x10/0x10 [ 43.548201] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.548539] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.548881] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 43.549194] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.549522] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.549834] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.550175] ? retint_kernel+0x10/0x10 [ 43.550487] ? policy_node+0x8/0x110 [ 43.550745] alloc_pages_current+0xb6/0x1e0 [ 43.551083] skb_copy_ubufs+0x41d/0x1940 [ 43.551377] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 43.551794] ? save_stack+0xa3/0xd0 [ 43.552047] ? kasan_kmalloc+0xad/0xe0 [ 43.552316] ? skb_release_data+0x790/0x790 [ 43.552625] ? lock_acquire+0x1d5/0x580 [ 43.552926] ? __is_insn_slot_addr+0x1fc/0x330 [ 43.553252] ? lock_downgrade+0x990/0x990 [ 43.553552] ? lock_release+0xa40/0xa40 [ 43.553852] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 43.554252] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.554578] ? lock_acquire+0x1d5/0x580 [ 43.554853] ? lock_acquire+0x1d5/0x580 [ 43.555115] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.555452] ? lock_release+0xa40/0xa40 [ 43.555712] ? __free_insn_slot+0x5c0/0x5c0 [ 43.556000] __netif_receive_skb_core+0x24e6/0x33d0 [ 43.556329] ? unwind_get_return_address+0x61/0xa0 [ 43.556654] ? nf_ingress+0x9f0/0x9f0 [ 43.556905] ? save_stack+0xa3/0xd0 [ 43.557145] ? save_stack_trace+0x16/0x20 [ 43.557415] ? save_stack+0x43/0xd0 [ 43.557665] ? kasan_kmalloc+0xad/0xe0 [ 43.557946] ? kasan_slab_alloc+0x12/0x20 [ 43.558232] ? kmem_cache_alloc+0x12e/0x760 [ 43.558563] ? __build_skb+0x9d/0x450 [ 43.558810] ? build_skb+0x6f/0x260 [ 43.559047] ? tun_get_user+0x1db7/0x2150 [ 43.559317] ? tun_chr_write_iter+0xd8/0x190 [ 43.559605] ? __vfs_write+0x684/0x970 [ 43.559858] ? vfs_write+0x189/0x510 [ 43.560099] ? SyS_write+0xef/0x220 [ 43.560335] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.560675] ? __skb_flow_dissect+0xfa6/0x3ad0 [ 43.560975] ? __sched_text_start+0x8/0x8 [ 43.561245] ? plist_check_list+0x7e/0xa0 [ 43.561520] ? __skb_flow_get_ports+0x400/0x400 [ 43.561826] ? validate_xmit_skb+0x660/0xb20 [ 43.562119] ? lock_acquire+0x1d5/0x580 [ 43.562377] ? netif_receive_skb_internal+0x1d7/0x5e0 [ 43.563034] ? lock_downgrade+0x990/0x990 [ 43.563344] ? kasan_kmalloc+0x81/0xe0 [ 43.563597] ? pvclock_read_flags+0x160/0x160 [ 43.563887] ? __build_skb+0x325/0x450 [ 43.564142] ? lock_acquire+0x1d5/0x580 [ 43.564399] ? lock_acquire+0x1d5/0x580 [ 43.564658] ? netif_receive_skb_internal+0x93/0x5e0 [ 43.564989] ? ktime_get_with_offset+0x2c1/0x420 [ 43.565296] ? lock_release+0xa40/0xa40 [ 43.565554] ? do_gettimeofday+0x190/0x190 [ 43.565830] ? __build_skb+0x450/0x450 [ 43.566107] __netif_receive_skb+0x2c/0x1b0 [ 43.566383] ? __netif_receive_skb+0x2c/0x1b0 [ 43.566669] netif_receive_skb_internal+0x10b/0x5e0 [ 43.566985] ? dev_cpu_dead+0xb00/0xb00 [ 43.567267] ? tun_device_event+0xca0/0xca0 [ 43.567545] ? futex_wake+0x680/0x680 [ 43.567786] ? __unqueue_futex+0x1c0/0x290 [ 43.568085] ? drop_futex_key_refs.isra.13+0x63/0xb0 [ 43.568410] netif_receive_skb+0xae/0x390 [ 43.568674] ? netif_receive_skb_internal+0x5e0/0x5e0 [ 43.569003] ? mark_wake_futex+0xc0/0x1c0 [ 43.569309] ? futex_wait_setup+0x3d0/0x3d0 [ 43.569584] ? tun_rx_batched.isra.43+0x5bd/0x860 [ 43.569891] tun_rx_batched.isra.43+0x5e7/0x860 [ 43.570220] ? skb_get_hash_perturb+0x9d0/0x9d0 [ 43.570559] ? tun_sock_write_space+0x370/0x370 [ 43.570855] ? tun_free_netdev+0x1b0/0x1b0 [ 43.571173] tun_get_user+0x11dd/0x2150 [ 43.571431] ? tun_flow_update+0xf70/0xf70 [ 43.571704] ? lock_acquire+0x1d5/0x580 [ 43.571986] ? lock_acquire+0x1d5/0x580 [ 43.572264] ? __tun_get+0x1ab/0x2e0 [ 43.572501] ? lock_downgrade+0x990/0x990 [ 43.572767] ? lock_release+0xa40/0xa40 [ 43.573047] ? __fget+0x35c/0x570 [ 43.573313] ? sock_getsockopt+0x1aa/0x2d40 [ 43.573626] ? __tun_get+0x1d4/0x2e0 [ 43.573882] ? tun_chr_close+0x60/0x60 [ 43.574180] ? __fget+0x35c/0x570 [ 43.574407] tun_chr_write_iter+0xd8/0x190 [ 43.574738] __vfs_write+0x684/0x970 [ 43.575023] ? default_llseek+0x290/0x290 [ 43.575323] ? _cond_resched+0x14/0x30 [ 43.575592] ? avc_policy_seqno+0x9/0x20 [ 43.575870] ? selinux_file_permission+0x82/0x460 [ 43.576215] ? rw_verify_area+0xe5/0x2b0 [ 43.576479] ? __fdget_raw+0x20/0x20 [ 43.576723] vfs_write+0x189/0x510 [ 43.576956] SyS_write+0xef/0x220 [ 43.577190] ? SyS_read+0x220/0x220 [ 43.577423] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.577726] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.578043] RIP: 0033:0x40bab1 [ 43.578251] RSP: 002b:00007f95ebbbec00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 43.578750] RAX: ffffffffffffffda RBX: 000000000000002e RCX: 000000000040bab1 [ 43.579241] RDX: 000000000000002e RSI: 00000000209cbfd2 RDI: 0000000000000003 [ 43.579773] RBP: 00007ffca500f4d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.580249] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 43.580706] R13: 0000000000000000 R14: 00007f95ebbbf9c0 R15: 00007f95ebbbf700 [ 43.785440] syz-executor0: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 43.786150] syz-executor0 cpuset=/ mems_allowed=0-1 [ 43.786473] CPU: 2 PID: 3538 Comm: syz-executor0 Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.787018] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.787550] Call Trace: [ 43.787790] dump_stack+0x194/0x257 [ 43.788070] ? arch_local_irq_restore+0x53/0x53 [ 43.788376] ? isolate_lru_page+0x11d0/0x11d0 [ 43.788673] warn_alloc+0x1c2/0x2f0 [ 43.788911] ? zone_watermark_ok_safe+0x430/0x430 [ 43.789254] ? get_page_from_freelist+0x123e/0x3430 [ 43.789582] ? wake_all_kswapds+0x181/0x390 [ 43.789867] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 43.790200] ? task_fork_fair+0x7b0/0x7b0 [ 43.790470] ? warn_alloc+0x2f0/0x2f0 [ 43.790721] ? dequeue_task_fair+0x16d8/0x68b0 [ 43.791019] ? __get_user_pages_fast+0xa22/0x2ea0 [ 43.791342] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.791654] ? retint_kernel+0x10/0x10 [ 43.791912] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.792238] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.792552] ? mem_cgroup_cancel_charge+0x170/0x170 [ 43.792963] ? kernel_poison_pages+0xe5/0x210 [ 43.793299] ? trace_hardirqs_on+0xd/0x10 [ 43.793599] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.793927] ? retint_kernel+0x10/0x10 [ 43.794202] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.794510] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.794835] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 43.795150] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.795481] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.795796] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.796124] ? retint_kernel+0x10/0x10 [ 43.796384] ? policy_node+0x19/0x110 [ 43.796664] alloc_pages_current+0xb6/0x1e0 [ 43.796992] skb_copy_ubufs+0x41d/0x1940 [ 43.797273] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 43.798198] ? save_stack+0xa3/0xd0 [ 43.798448] ? kasan_kmalloc+0xad/0xe0 [ 43.798708] ? skb_release_data+0x790/0x790 [ 43.799007] ? lock_acquire+0x1d5/0x580 [ 43.799269] ? __is_insn_slot_addr+0x1fc/0x330 [ 43.799570] ? lock_downgrade+0x990/0x990 [ 43.799845] ? lock_release+0xa40/0xa40 [ 43.800106] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 43.800493] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.800820] ? lock_acquire+0x1d5/0x580 [ 43.801082] ? lock_acquire+0x1d5/0x580 [ 43.801345] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.801688] ? lock_release+0xa40/0xa40 [ 43.801950] ? __free_insn_slot+0x5c0/0x5c0 [ 43.802245] __netif_receive_skb_core+0x2084/0x33d0 [ 43.802574] ? unwind_get_return_address+0x61/0xa0 [ 43.802903] ? nf_ingress+0x9f0/0x9f0 [ 43.803181] ? save_stack+0xa3/0xd0 [ 43.803463] ? save_stack_trace+0x16/0x20 [ 43.803734] ? save_stack+0x43/0xd0 [ 43.803986] ? kasan_kmalloc+0xad/0xe0 [ 43.804242] ? kasan_slab_alloc+0x12/0x20 [ 43.804516] ? kmem_cache_alloc+0x12e/0x760 [ 43.804799] ? __build_skb+0x9d/0x450 [ 43.805053] ? build_skb+0x6f/0x260 [ 43.805293] ? tun_get_user+0x1db7/0x2150 [ 43.805567] ? tun_chr_write_iter+0xd8/0x190 [ 43.805856] ? __vfs_write+0x684/0x970 [ 43.806117] ? vfs_write+0x189/0x510 [ 43.806362] ? SyS_write+0xef/0x220 [ 43.806602] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.806931] ? __skb_flow_dissect+0xfa6/0x3ad0 [ 43.807234] ? __sched_text_start+0x8/0x8 [ 43.807509] ? plist_check_list+0x7e/0xa0 [ 43.807786] ? __skb_flow_get_ports+0x400/0x400 [ 43.808135] ? validate_xmit_skb+0x660/0xb20 [ 43.808430] ? lock_acquire+0x1d5/0x580 [ 43.808719] ? netif_receive_skb_internal+0x1d7/0x5e0 [ 43.809144] ? lock_downgrade+0x990/0x990 [ 43.809475] ? pvclock_read_flags+0x160/0x160 [ 43.809825] ? __build_skb+0x325/0x450 [ 43.810112] ? lock_acquire+0x1d5/0x580 [ 43.810429] ? lock_acquire+0x1d5/0x580 [ 43.810745] ? netif_receive_skb_internal+0x93/0x5e0 [ 43.811137] ? ktime_get_with_offset+0x2c1/0x420 [ 43.811452] ? lock_release+0xa40/0xa40 [ 43.811741] ? do_gettimeofday+0x190/0x190 [ 43.812035] ? __build_skb+0x450/0x450 [ 43.812309] __netif_receive_skb+0x2c/0x1b0 [ 43.812648] ? __netif_receive_skb+0x2c/0x1b0 [ 43.812987] netif_receive_skb_internal+0x10b/0x5e0 [ 43.813357] ? dev_cpu_dead+0xb00/0xb00 [ 43.813648] ? tun_device_event+0xca0/0xca0 [ 43.813948] ? futex_wake+0x680/0x680 [ 43.814215] ? __unqueue_futex+0x1c0/0x290 [ 43.814509] ? drop_futex_key_refs.isra.13+0x63/0xb0 [ 43.814876] netif_receive_skb+0xae/0x390 [ 43.815151] ? netif_receive_skb_internal+0x5e0/0x5e0 [ 43.815494] ? mark_wake_futex+0xc0/0x1c0 [ 43.815765] ? futex_wait_setup+0x3d0/0x3d0 [ 43.816053] ? tun_rx_batched.isra.43+0x5bd/0x860 [ 43.816371] tun_rx_batched.isra.43+0x5e7/0x860 [ 43.816695] ? skb_get_hash_perturb+0x9d0/0x9d0 [ 43.817016] ? tun_sock_write_space+0x370/0x370 [ 43.817330] ? tun_free_netdev+0x1b0/0x1b0 [ 43.817604] tun_get_user+0x11dd/0x2150 [ 43.817866] ? tun_flow_update+0xf70/0xf70 [ 43.818169] ? lock_acquire+0x1d5/0x580 [ 43.818426] ? lock_acquire+0x1d5/0x580 [ 43.819121] ? __tun_get+0x1ab/0x2e0 [ 43.819387] ? lock_downgrade+0x990/0x990 [ 43.819682] ? lock_release+0xa40/0xa40 [ 43.819965] ? __fget+0x35c/0x570 [ 43.820290] ? sock_getsockopt+0x1aa/0x2d40 [ 43.820592] ? __tun_get+0x1d4/0x2e0 [ 43.820838] ? tun_chr_close+0x60/0x60 [ 43.821096] ? __fget+0x35c/0x570 [ 43.821324] tun_chr_write_iter+0xd8/0x190 [ 43.821606] __vfs_write+0x684/0x970 [ 43.821852] ? default_llseek+0x290/0x290 [ 43.822159] ? _cond_resched+0x14/0x30 [ 43.822409] ? avc_policy_seqno+0x9/0x20 [ 43.822671] ? selinux_file_permission+0x82/0x460 [ 43.822985] ? rw_verify_area+0xe5/0x2b0 [ 43.823346] ? __fdget_raw+0x20/0x20 [ 43.823620] vfs_write+0x189/0x510 [ 43.823855] SyS_write+0xef/0x220 [ 43.824112] ? SyS_read+0x220/0x220 [ 43.824376] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.824733] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.825077] RIP: 0033:0x40bab1 [ 43.825328] RSP: 002b:00007f95ebbbec00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 43.825916] RAX: ffffffffffffffda RBX: 000000000000002e RCX: 000000000040bab1 [ 43.826447] RDX: 000000000000002e RSI: 00000000209cbfd2 RDI: 0000000000000003 [ 43.826951] RBP: 00007ffca500f4d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.827494] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 43.827984] R13: 0000000000000000 R14: 00007f95ebbbf9c0 R15: 00007f95ebbbf700 [ 43.828522] warn_alloc_show_mem: 3 callbacks suppressed [ 43.828906] Mem-Info: [ 43.829134] active_anon:6931 inactive_anon:42 isolated_anon:0 [ 43.829134] active_file:25 inactive_file:304 isolated_file:0 [ 43.829134] unevictable:0 dirty:48 writeback:0 unstable:0 [ 43.829134] slab_reclaimable:5244 slab_unreclaimable:24254 [ 43.829134] mapped:172 shmem:49 pagetables:302 bounce:0 [ 43.829134] free:7213 free_pcp:219 free_cma:0 [ 43.829522] rsyslogd invoked oom-killer: gfp_mask=0x14280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0 [ 43.829526] rsyslogd cpuset=/ mems_allowed=0-1 [ 43.829532] CPU: 3 PID: 2894 Comm: rsyslogd Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.829533] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.829534] Call Trace: [ 43.829540] dump_stack+0x194/0x257 [ 43.829546] ? arch_local_irq_restore+0x53/0x53 [ 43.829556] dump_header+0x234/0xa0e [ 43.829559] ? check_same_owner+0x320/0x320 [ 43.829562] ? task_will_free_mem+0x252/0xaa0 [ 43.829565] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.829570] ? pagefault_out_of_memory+0x152/0x152 [ 43.829574] ? lock_acquire+0x1d5/0x580 [ 43.829577] ? ___ratelimit+0x30d/0x630 [ 43.829580] ? lock_downgrade+0x990/0x990 [ 43.829583] ? avc_has_perm_noaudit+0x37e/0x520 [ 43.829587] ? do_raw_spin_trylock+0x190/0x190 [ 43.829593] ? lock_downgrade+0x990/0x990 [ 43.829597] ? trace_hardirqs_on+0xd/0x10 [ 43.829601] ? ___ratelimit+0x95/0x630 [ 43.829618] ? idr_get_free+0xff0/0xff0 [ 43.829621] ? cred_has_capability+0x1a0/0x3d0 [ 43.829626] oom_kill_process+0x86d/0x13d0 [ 43.829629] ? lock_downgrade+0x990/0x990 [ 43.829631] ? lock_release+0xa40/0xa40 [ 43.829635] ? lock_release+0xa40/0xa40 [ 43.829640] ? oom_evaluate_task+0x480/0x480 [ 43.829644] ? security_capable_noaudit+0x8b/0xc0 [ 43.829649] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 43.829652] ? has_capability+0x30/0x30 [ 43.829659] ? has_capability_noaudit+0x24/0x30 [ 43.829662] ? oom_badness+0xdf/0xb80 [ 43.829665] ? lock_downgrade+0x990/0x990 [ 43.829669] ? find_lock_task_mm+0x460/0x460 [ 43.829671] ? lock_release+0xa40/0xa40 [ 43.829681] ? out_of_memory+0xaaa/0x11d0 [ 43.829684] ? lock_downgrade+0x990/0x990 [ 43.829688] ? lock_release+0xa40/0xa40 [ 43.829692] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 43.829696] ? srcu_init_notifier_head+0x80/0x80 [ 43.829700] ? oom_evaluate_task+0x284/0x480 [ 43.829705] out_of_memory+0x7dd/0x11d0 [ 43.829710] ? oom_killer_disable+0x310/0x310 [ 43.829713] ? mutex_trylock+0x23a/0x2d0 [ 43.829717] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.829719] ? check_same_owner+0x320/0x320 [ 43.829722] ? _find_next_bit+0xee/0x120 [ 43.829728] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 43.829747] ? warn_alloc+0x2f0/0x2f0 [ 43.829749] ? get_futex_key+0x34f/0x1d50 [ 43.829753] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.829757] ? nohz_balance_exit_idle.part.84+0x70/0x70 [ 43.829763] ? put_prev_task_fair+0x80/0x80 [ 43.829766] ? lock_acquire+0x1d5/0x580 [ 43.829771] ? lock_acquire+0x1d5/0x580 [ 43.829790] ? lock_acquire+0x1d5/0x580 [ 43.829793] ? lock_acquire+0x1d5/0x580 [ 43.829797] ? lock_downgrade+0x990/0x990 [ 43.829801] ? lock_release+0xa40/0xa40 [ 43.829803] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 43.829806] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.829810] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 43.829814] ? lock_acquire+0x1d5/0x580 [ 43.829819] ? lock_acquire+0x1d5/0x580 [ 43.829821] ? lock_acquire+0x1d5/0x580 [ 43.829824] ? fs_reclaim_acquire+0x20/0x20 [ 43.829827] ? lock_downgrade+0x990/0x990 [ 43.829832] ? check_same_owner+0x320/0x320 [ 43.829835] ? __kernel_text_address+0xae/0xe0 Connection to localhost closed by remote host. [ 43.829840] ? __might_sleep+0x95/0x190 [ 43.829845] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.829850] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.829854] ? do_syslog+0x8b5/0xb80 [ 43.829857] ? save_stack+0xa3/0xd0 [ 43.829860] ? save_stack_trace+0x16/0x20 [ 43.829876] ? save_stack+0x43/0xd0 [ 43.829878] ? kasan_slab_free+0x71/0xc0 [ 43.829881] ? kfree+0xca/0x250 [ 43.829883] ? do_syslog+0x8b5/0xb80 [ 43.829886] ? kmsg_read+0x74/0xa0 [ 43.829888] ? proc_reg_read+0xef/0x170 [ 43.829891] ? __vfs_read+0xef/0xa00 [ 43.829893] ? vfs_read+0x11e/0x350 [ 43.829895] ? SyS_read+0xef/0x220 [ 43.829898] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.829902] ? pointer+0xb00/0xb00 [ 43.829907] ? lock_acquire+0x1d5/0x580 [ 43.829912] alloc_pages_vma+0xc8/0x4b0 [ 43.829917] __handle_mm_fault+0x24eb/0x3980 [ 43.829922] ? __pmd_alloc+0x4e0/0x4e0 [ 43.829941] ? trace_hardirqs_on+0xd/0x10 [ 43.829946] ? lock_acquire+0x1d5/0x580 [ 43.829949] ? handle_mm_fault+0x23e/0x940 [ 43.829952] ? lock_downgrade+0x990/0x990 [ 43.829960] ? kmsg_read+0x7c/0xa0 [ 43.829962] ? unuse_pde+0x23/0x60 [ 43.829969] handle_mm_fault+0x3bb/0x940 [ 43.829973] ? down_read_trylock+0xdb/0x170 [ 43.829978] ? __handle_mm_fault+0x3980/0x3980 [ 43.829980] ? vmacache_find+0x61/0x270 [ 43.829984] ? find_vma+0x30/0x150 [ 43.829988] __do_page_fault+0x4f6/0xb60 [ 43.829994] trace_do_page_fault+0x141/0x730 [ 43.830005] ? do_page_fault+0x70/0x70 [ 43.830008] ? rw_verify_area+0xe5/0x2b0 [ 43.830011] ? __fdget_raw+0x20/0x20 [ 43.830016] ? mutex_unlock+0xd/0x10 [ 43.830018] ? fput+0xd2/0x140 [ 43.830034] ? SyS_read+0x184/0x220 [ 43.830040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.830045] do_async_page_fault+0x72/0xc0 [ 43.830047] async_page_fault+0x28/0x30 [ 43.830049] RIP: 0033:0x42f73e [ 43.830051] RSP: 002b:00007f883521dce8 EFLAGS: 00010206 [ 43.830053] RAX: 0000000000cb73b0 RBX: 0000000000cb7120 RCX: 0000000000000001 [ 43.830055] RDX: 000000000000058a RSI: 0000000000ccf3d0 RDI: 0000000000cb7120 [ 43.830056] RBP: 0000000000000001 R08: 0000000000cb6b80 R09: 0000000000000000 [ 43.830058] R10: 33203a6d656d5f77 R11: a3d70a3d70a3d70b R12: 000000000065e200 [ 43.830060] R13: 0000000000cb7230 R14: 0000000000000001 R15: 00007f8836a5314c [ 43.830075] Mem-Info: [ 43.830081] active_anon:6931 inactive_anon:42 isolated_anon:0 [ 43.830081] active_file:100 inactive_file:217 isolated_file:0 [ 43.830081] unevictable:0 dirty:48 writeback:0 unstable:0 [ 43.830081] slab_reclaimable:5244 slab_unreclaimable:24254 [ 43.830081] mapped:172 shmem:49 pagetables:302 bounce:0 [ 43.830081] free:7213 free_pcp:252 free_cma:0 [ 43.830086] Node 0 active_anon:20744kB inactive_anon:100kB active_file:72kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:124kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 43.830091] Node 1 active_anon:6980kB inactive_anon:68kB active_file:328kB inactive_file:716kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:684kB dirty:68kB writeback:0kB shmem:80kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 43.830092] Node 0 DMA free:3772kB min:640kB low:800kB high:960kB active_anon:4kB inactive_anon:0kB active_file:0kB inactive_file:84kB unevictable:0kB writepending:96kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.830098] lowmem_reserve[]: 0 884 884 884 [ 43.830102] Node 0 DMA32 free:13680kB min:36500kB low:45624kB high:54748kB active_anon:20740kB inactive_anon:100kB active_file:72kB inactive_file:96kB unevictable:0kB writepending:28kB present:1032192kB managed:907900kB mlocked:0kB kernel_stack:2880kB pagetables:596kB bounce:0kB free_pcp:496kB local_pcp:16kB free_cma:0kB [ 43.830108] lowmem_reserve[]: 0 0 0 0 [ 43.830112] Node 1 DMA32 free:11400kB min:30440kB low:38048kB high:45656kB active_anon:6980kB inactive_anon:68kB active_file:328kB inactive_file:716kB unevictable:0kB writepending:68kB present:1048560kB managed:755224kB mlocked:0kB kernel_stack:1216kB pagetables:612kB bounce:0kB free_pcp:512kB local_pcp:392kB free_cma:0kB [ 43.830117] lowmem_reserve[]: 0 0 0 0 [ 43.830121] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (M) 1*32kB (U) 0*64kB 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 3772kB [ 43.830151] Node 0 DMA32: 290*4kB (UM) 241*8kB (M) 168*16kB (M) 97*32kB (M) 39*64kB (UM) 8*128kB (UM) 3*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13680kB [ 43.830168] Node 1 DMA32: 2*4kB (ME) 184*8kB (M) 91*16kB (ME) 35*32kB (UM) 21*64kB (M) 5*128kB (UM) 5*256kB (ME) 2*512kB (M) 3*1024kB (ME) 0*2048kB 0*4096kB = 11416kB [ 43.830187] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.830189] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.830190] 366 total pagecache pages [ 43.830192] 0 pages in swap cache [ 43.830193] Swap cache stats: add 0, delete 0, find 0/0 [ 43.830194] Free swap = 0kB [ 43.830195] Total swap = 0kB [ 43.830196] 524186 pages RAM [ 43.830197] 0 pages HighMem/MovableOnly [ 43.830198] 104428 pages reserved [ 43.830199] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 43.830207] [ 1507] 0 1507 5348 137 16 3 0 -1000 udevd [ 43.830211] [ 2762] 0 2762 2493 572 8 3 0 0 dhclient [ 43.830214] [ 2890] 0 2890 14298 173 24 3 0 0 rsyslogd [ 43.830217] [ 2927] 0 2927 4725 48 14 3 0 0 cron [ 43.830221] [ 2953] 0 2953 12490 152 27 3 0 -1000 sshd [ 43.830224] [ 2977] 0 2977 3694 41 13 3 0 0 getty [ 43.830228] [ 2978] 0 2978 3694 41 13 3 0 0 getty [ 43.830231] [ 2979] 0 2979 3694 39 13 3 0 0 getty [ 43.830234] [ 2980] 0 2980 3694 41 13 3 0 0 getty [ 43.830238] [ 2981] 0 2981 3694 39 12 3 0 0 getty [ 43.830241] [ 2982] 0 2982 3694 42 13 3 0 0 getty [ 43.830244] [ 2983] 0 2983 3649 40 12 3 0 0 getty [ 43.830248] [ 2984] 0 2984 5347 139 15 3 0 -1000 udevd [ 43.830251] [ 2985] 0 2985 5347 138 15 3 0 -1000 udevd [ 43.830255] [ 3006] 0 3006 17820 195 39 3 0 0 sshd [ 43.830258] [ 3008] 0 3008 8328 1517 14 5 0 0 syz-execprog [ 43.830262] [ 3015] 0 3015 5297 15 6 2 0 0 syz-executor0 [ 43.830265] [ 3017] 0 3017 5297 18 7 3 0 0 syz-executor0 [ 43.830269] [ 3538] 0 3536 9458 3612 16 4 0 0 syz-executor0 [ 43.830271] Out of memory: Kill process 3536 (syz-executor0) score 8 or sacrifice child [ 43.830279] Killed process 3538 (syz-executor0) total-vm:37832kB, anon-rss:14448kB, file-rss:0kB, shmem-rss:0kB [ 43.834698] oom_reaper: reaped process 3538 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.840514] rsyslogd invoked oom-killer: gfp_mask=0x14280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0 [ 43.840519] rsyslogd cpuset=/ mems_allowed=0-1 [ 43.840528] CPU: 3 PID: 2894 Comm: rsyslogd Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.840530] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.840532] Call Trace: [ 43.840539] dump_stack+0x194/0x257 [ 43.840546] ? arch_local_irq_restore+0x53/0x53 [ 43.840557] dump_header+0x234/0xa0e [ 43.840562] ? check_same_owner+0x320/0x320 [ 43.840568] ? task_will_free_mem+0x252/0xaa0 [ 43.840572] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.840580] ? pagefault_out_of_memory+0x152/0x152 [ 43.840588] ? lock_acquire+0x1d5/0x580 [ 43.840592] ? ___ratelimit+0x30d/0x630 [ 43.840598] ? lock_downgrade+0x990/0x990 [ 43.840602] ? avc_has_perm_noaudit+0x37e/0x520 [ 43.840609] ? do_raw_spin_trylock+0x190/0x190 [ 43.840618] ? lock_downgrade+0x990/0x990 [ 43.840626] ? trace_hardirqs_on+0xd/0x10 [ 43.840630] ? ___ratelimit+0x95/0x630 [ 43.840636] ? idr_get_free+0xff0/0xff0 [ 43.840642] ? cred_has_capability+0x1a0/0x3d0 [ 43.840650] oom_kill_process+0x86d/0x13d0 [ 43.840654] ? lock_downgrade+0x990/0x990 [ 43.840658] ? lock_release+0xa40/0xa40 [ 43.840665] ? lock_release+0xa40/0xa40 [ 43.840674] ? oom_evaluate_task+0x480/0x480 [ 43.840680] ? security_capable_noaudit+0x8b/0xc0 [ 43.840688] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 43.840693] ? has_capability+0x30/0x30 [ 43.840705] ? lock_acquire+0x1d5/0x580 [ 43.840709] ? oom_unkillable_task+0x394/0x4c0 [ 43.840714] ? lock_downgrade+0x990/0x990 [ 43.840721] ? lock_release+0xa40/0xa40 [ 43.840735] ? oom_unkillable_task+0x33d/0x4c0 [ 43.840740] ? out_of_memory+0xaaa/0x11d0 [ 43.840746] ? lock_downgrade+0x990/0x990 [ 43.840752] ? lock_release+0xa40/0xa40 [ 43.840758] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 43.840765] ? srcu_init_notifier_head+0x80/0x80 [ 43.840772] ? oom_evaluate_task+0x284/0x480 [ 43.840779] out_of_memory+0x7dd/0x11d0 [ 43.840789] ? oom_killer_disable+0x310/0x310 [ 43.840793] ? mutex_trylock+0x23a/0x2d0 [ 43.840799] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.840803] ? check_same_owner+0x320/0x320 [ 43.840808] ? _find_next_bit+0xee/0x120 [ 43.840818] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 43.840862] ? warn_alloc+0x2f0/0x2f0 [ 43.840866] ? get_futex_key+0x34f/0x1d50 [ 43.840873] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.840878] ? nohz_balance_exit_idle.part.84+0x70/0x70 [ 43.840889] ? put_prev_task_fair+0x80/0x80 [ 43.840894] ? lock_acquire+0x1d5/0x580 [ 43.840902] ? lock_acquire+0x1d5/0x580 [ 43.840912] ? lock_acquire+0x1d5/0x580 [ 43.840916] ? lock_acquire+0x1d5/0x580 [ 43.840922] ? lock_downgrade+0x990/0x990 [ 43.840929] ? lock_release+0xa40/0xa40 [ 43.840945] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 43.840949] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.840951] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 43.840970] ? lock_acquire+0x1d5/0x580 [ 43.840974] ? lock_acquire+0x1d5/0x580 [ 43.840976] ? lock_acquire+0x1d5/0x580 [ 43.840979] ? fs_reclaim_acquire+0x20/0x20 [ 43.840982] ? lock_downgrade+0x990/0x990 [ 43.840988] ? check_same_owner+0x320/0x320 [ 43.841006] ? __kernel_text_address+0xae/0xe0 [ 43.841012] ? __might_sleep+0x95/0x190 [ 43.841016] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.841021] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.841025] ? do_syslog+0x8b5/0xb80 [ 43.841029] ? save_stack+0xa3/0xd0 [ 43.841032] ? save_stack_trace+0x16/0x20 [ 43.841035] ? save_stack+0x43/0xd0 [ 43.841037] ? kasan_slab_free+0x71/0xc0 [ 43.841039] ? kfree+0xca/0x250 [ 43.841042] ? do_syslog+0x8b5/0xb80 [ 43.841045] ? kmsg_read+0x74/0xa0 [ 43.841047] ? proc_reg_read+0xef/0x170 [ 43.841050] ? __vfs_read+0xef/0xa00 [ 43.841052] ? vfs_read+0x11e/0x350 [ 43.841054] ? SyS_read+0xef/0x220 [ 43.841057] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.841061] ? pointer+0xb00/0xb00 [ 43.841066] ? lock_acquire+0x1d5/0x580 [ 43.841071] alloc_pages_vma+0xc8/0x4b0 [ 43.841076] __handle_mm_fault+0x24eb/0x3980 [ 43.841081] ? __pmd_alloc+0x4e0/0x4e0 [ 43.841086] ? trace_hardirqs_on+0xd/0x10 [ 43.841091] ? lock_acquire+0x1d5/0x580 [ 43.841094] ? handle_mm_fault+0x23e/0x940 [ 43.841097] ? lock_downgrade+0x990/0x990 [ 43.841105] ? kmsg_read+0x7c/0xa0 [ 43.841107] ? unuse_pde+0x23/0x60 [ 43.841112] handle_mm_fault+0x3bb/0x940 [ 43.841115] ? down_read_trylock+0xdb/0x170 [ 43.841119] ? __handle_mm_fault+0x3980/0x3980 [ 43.841121] ? vmacache_find+0x61/0x270 [ 43.841125] ? find_vma+0x30/0x150 [ 43.841129] __do_page_fault+0x4f6/0xb60 [ 43.841135] trace_do_page_fault+0x141/0x730 [ 43.841138] ? do_page_fault+0x70/0x70 [ 43.841141] ? rw_verify_area+0xe5/0x2b0 [ 43.841143] ? __fdget_raw+0x20/0x20 [ 43.841148] ? mutex_unlock+0xd/0x10 [ 43.841151] ? fput+0xd2/0x140 [ 43.841154] ? SyS_read+0x184/0x220 [ 43.841159] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.841164] do_async_page_fault+0x72/0xc0 [ 43.841167] async_page_fault+0x28/0x30 [ 43.841169] RIP: 0033:0x42f73e [ 43.841171] RSP: 002b:00007f883521dce8 EFLAGS: 00010206 [ 43.841173] RAX: 0000000000cb73b0 RBX: 0000000000cb7120 RCX: 0000000000000001 [ 43.841175] RDX: 000000000000058a RSI: 0000000000ccf3d0 RDI: 0000000000cb7120 [ 43.841176] RBP: 0000000000000001 R08: 0000000000cb6b80 R09: 0000000000000000 [ 43.841178] R10: 33203a6d656d5f77 R11: a3d70a3d70a3d70b R12: 000000000065e200 [ 43.841180] R13: 0000000000cb7230 R14: 0000000000000001 R15: 00007f8836a5314c [ 43.841194] Mem-Info: [ 43.841201] active_anon:3336 inactive_anon:42 isolated_anon:0 [ 43.841201] active_file:91 inactive_file:29 isolated_file:0 [ 43.841201] unevictable:0 dirty:48 writeback:0 unstable:0 [ 43.841201] slab_reclaimable:5244 slab_unreclaimable:24254 [ 43.841201] mapped:22 shmem:49 pagetables:302 bounce:0 [ 43.841201] free:10801 free_pcp:440 free_cma:0 [ 43.841206] Node 0 active_anon:8412kB inactive_anon:100kB active_file:256kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:124kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.841210] Node 1 active_anon:4932kB inactive_anon:68kB active_file:108kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:68kB writeback:0kB shmem:80kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.841211] Node 0 DMA free:3772kB min:640kB low:800kB high:960kB active_anon:4kB inactive_anon:0kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:96kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.841217] lowmem_reserve[]: 0 884 884 884 [ 43.841221] Node 0 DMA32 free:25968kB min:36500kB low:45624kB high:54748kB active_anon:8408kB inactive_anon:100kB active_file:72kB inactive_file:96kB unevictable:0kB writepending:28kB present:1032192kB managed:907900kB mlocked:0kB kernel_stack:2880kB pagetables:596kB bounce:0kB free_pcp:640kB local_pcp:120kB free_cma:0kB [ 43.841227] lowmem_reserve[]: 0 0 0 0 [ 43.841232] Node 1 DMA32 free:13464kB min:30440kB low:38048kB high:45656kB active_anon:4932kB inactive_anon:68kB active_file:400kB inactive_file:460kB unevictable:0kB writepending:68kB present:1048560kB managed:755224kB mlocked:0kB kernel_stack:1216kB pagetables:612kB bounce:0kB free_pcp:1120kB local_pcp:696kB free_cma:0kB [ 43.841239] lowmem_reserve[]: 0 0 0 0 [ 43.841244] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (M) 1*32kB (U) 0*64kB 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 3772kB [ 43.841268] Node 0 DMA32: 290*4kB (UM) 241*8kB (M) 168*16kB (M) 97*32kB (M) 39*64kB (UM) 8*128kB (UM) 3*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 3*4096kB (M) = 25968kB [ 43.841297] Node 1 DMA32: 44*4kB (UME) 184*8kB (M) 90*16kB (M) 36*32kB (UME) 22*64kB (ME) 5*128kB (UM) 5*256kB (ME) 2*512kB (M) 3*1024kB (ME) 1*2048kB (M) 0*4096kB = 13712kB [ 43.841328] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.841331] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.841333] 166 total pagecache pages [ 43.841335] 0 pages in swap cache [ 43.841337] Swap cache stats: add 0, delete 0, find 0/0 [ 43.841338] Free swap = 0kB [ 43.841339] Total swap = 0kB [ 43.841341] 524186 pages RAM [ 43.841342] 0 pages HighMem/MovableOnly [ 43.841344] 104428 pages reserved [ 43.841345] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 43.841359] [ 1507] 0 1507 5348 137 16 3 0 -1000 udevd [ 43.841365] [ 2762] 0 2762 2493 572 8 3 0 0 dhclient [ 43.841371] [ 2890] 0 2890 14298 172 24 3 0 0 rsyslogd [ 43.841376] [ 2927] 0 2927 4725 48 14 3 0 0 cron [ 43.841382] [ 2953] 0 2953 12490 152 27 3 0 -1000 sshd [ 43.841387] [ 2977] 0 2977 3694 41 13 3 0 0 getty [ 43.841393] [ 2978] 0 2978 3694 41 13 3 0 0 getty [ 43.841398] [ 2979] 0 2979 3694 39 13 3 0 0 getty [ 43.841404] [ 2980] 0 2980 3694 41 13 3 0 0 getty [ 43.841410] [ 2981] 0 2981 3694 39 12 3 0 0 getty [ 43.841414] [ 2982] 0 2982 3694 42 13 3 0 0 getty [ 43.841420] [ 2983] 0 2983 3649 40 12 3 0 0 getty [ 43.841426] [ 2984] 0 2984 5347 139 15 3 0 -1000 udevd [ 43.841431] [ 2985] 0 2985 5347 138 15 3 0 -1000 udevd [ 43.841437] [ 3006] 0 3006 17820 195 39 3 0 0 sshd [ 43.841442] [ 3008] 0 3008 8328 1517 14 5 0 0 syz-execprog [ 43.841448] [ 3015] 0 3015 5297 15 6 2 0 0 syz-executor0 [ 43.841454] [ 3017] 0 3017 5297 18 7 3 0 0 syz-executor0 [ 43.841459] [ 3538] 0 3536 9458 0 9 4 0 0 syz-executor0 [ 43.841463] Out of memory: Kill process 3008 (syz-execprog) score 3 or sacrifice child [ 43.841474] Killed process 3015 (syz-executor0) total-vm:21188kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 43.841535] oom_reaper: reaped process 3015 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.844699] rsyslogd invoked oom-killer: gfp_mask=0x14280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0 [ 43.844704] rsyslogd cpuset=/ mems_allowed=0-1 [ 43.844711] CPU: 3 PID: 2894 Comm: rsyslogd Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.844714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.844715] Call Trace: [ 43.844721] dump_stack+0x194/0x257 [ 43.844727] ? arch_local_irq_restore+0x53/0x53 [ 43.844737] dump_header+0x234/0xa0e [ 43.844741] ? check_same_owner+0x320/0x320 [ 43.844747] ? task_will_free_mem+0x252/0xaa0 [ 43.844752] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.844759] ? pagefault_out_of_memory+0x152/0x152 [ 43.844766] ? lock_acquire+0x1d5/0x580 [ 43.844770] ? ___ratelimit+0x30d/0x630 [ 43.844776] ? lock_downgrade+0x990/0x990 [ 43.844780] ? avc_has_perm_noaudit+0x37e/0x520 [ 43.844786] ? do_raw_spin_trylock+0x190/0x190 [ 43.844795] ? lock_downgrade+0x990/0x990 [ 43.844802] ? trace_hardirqs_on+0xd/0x10 [ 43.844807] ? ___ratelimit+0x95/0x630 [ 43.844813] ? idr_get_free+0xff0/0xff0 [ 43.844818] ? cred_has_capability+0x1a0/0x3d0 [ 43.844826] oom_kill_process+0x86d/0x13d0 [ 43.844830] ? lock_downgrade+0x990/0x990 [ 43.844834] ? lock_release+0xa40/0xa40 [ 43.844840] ? lock_release+0xa40/0xa40 [ 43.844849] ? oom_evaluate_task+0x480/0x480 [ 43.844855] ? security_capable_noaudit+0x8b/0xc0 [ 43.844862] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 43.844867] ? has_capability+0x30/0x30 [ 43.844878] ? lock_acquire+0x1d5/0x580 [ 43.844882] ? oom_unkillable_task+0x394/0x4c0 [ 43.844888] ? lock_downgrade+0x990/0x990 [ 43.844892] ? lock_release+0xa40/0xa40 [ 43.844901] ? oom_unkillable_task+0x33d/0x4c0 [ 43.844903] ? out_of_memory+0xaaa/0x11d0 [ 43.844907] ? lock_downgrade+0x990/0x990 [ 43.844911] ? lock_release+0xa40/0xa40 [ 43.844914] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 43.844918] ? srcu_init_notifier_head+0x80/0x80 [ 43.844922] ? oom_evaluate_task+0x284/0x480 [ 43.844926] out_of_memory+0x7dd/0x11d0 [ 43.844932] ? oom_killer_disable+0x310/0x310 [ 43.844934] ? mutex_trylock+0x23a/0x2d0 [ 43.844938] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.844941] ? check_same_owner+0x320/0x320 [ 43.844944] ? _find_next_bit+0xee/0x120 [ 43.844950] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 43.844968] ? warn_alloc+0x2f0/0x2f0 [ 43.844970] ? get_futex_key+0x34f/0x1d50 [ 43.844974] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.844977] ? nohz_balance_exit_idle.part.84+0x70/0x70 [ 43.844984] ? put_prev_task_fair+0x80/0x80 [ 43.844987] ? lock_acquire+0x1d5/0x580 [ 43.844991] ? lock_acquire+0x1d5/0x580 [ 43.844997] ? lock_acquire+0x1d5/0x580 [ 43.844999] ? lock_acquire+0x1d5/0x580 [ 43.845020] ? lock_downgrade+0x990/0x990 [ 43.845024] ? lock_release+0xa40/0xa40 [ 43.845027] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 43.845030] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.845033] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 43.845037] ? lock_acquire+0x1d5/0x580 [ 43.845042] ? lock_acquire+0x1d5/0x580 [ 43.845044] ? lock_acquire+0x1d5/0x580 [ 43.845047] ? fs_reclaim_acquire+0x20/0x20 [ 43.845051] ? lock_downgrade+0x990/0x990 [ 43.845059] ? check_same_owner+0x320/0x320 [ 43.845062] ? __kernel_text_address+0xae/0xe0 [ 43.845081] ? __might_sleep+0x95/0x190 [ 43.845086] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.845091] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.845095] ? do_syslog+0x8b5/0xb80 [ 43.845098] ? save_stack+0xa3/0xd0 [ 43.845101] ? save_stack_trace+0x16/0x20 [ 43.845103] ? save_stack+0x43/0xd0 [ 43.845106] ? kasan_slab_free+0x71/0xc0 [ 43.845108] ? kfree+0xca/0x250 [ 43.845110] ? do_syslog+0x8b5/0xb80 [ 43.845113] ? kmsg_read+0x74/0xa0 [ 43.845115] ? proc_reg_read+0xef/0x170 [ 43.845118] ? __vfs_read+0xef/0xa00 [ 43.845120] ? vfs_read+0x11e/0x350 [ 43.845122] ? SyS_read+0xef/0x220 [ 43.845125] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.845129] ? pointer+0xb00/0xb00 [ 43.845134] ? lock_acquire+0x1d5/0x580 [ 43.845153] alloc_pages_vma+0xc8/0x4b0 [ 43.845158] __handle_mm_fault+0x24eb/0x3980 [ 43.845162] ? __pmd_alloc+0x4e0/0x4e0 [ 43.845168] ? trace_hardirqs_on+0xd/0x10 [ 43.845172] ? lock_acquire+0x1d5/0x580 [ 43.845175] ? handle_mm_fault+0x23e/0x940 [ 43.845178] ? lock_downgrade+0x990/0x990 [ 43.845185] ? kmsg_read+0x7c/0xa0 [ 43.845188] ? unuse_pde+0x23/0x60 [ 43.845195] handle_mm_fault+0x3bb/0x940 [ 43.845197] ? down_read_trylock+0xdb/0x170 [ 43.845201] ? __handle_mm_fault+0x3980/0x3980 [ 43.845203] ? vmacache_find+0x61/0x270 [ 43.845207] ? find_vma+0x30/0x150 [ 43.845212] __do_page_fault+0x4f6/0xb60 [ 43.845222] trace_do_page_fault+0x141/0x730 [ 43.845228] ? do_page_fault+0x70/0x70 [ 43.845232] ? rw_verify_area+0xe5/0x2b0 [ 43.845236] ? __fdget_raw+0x20/0x20 [ 43.845244] ? mutex_unlock+0xd/0x10 [ 43.845247] ? fput+0xd2/0x140 [ 43.845252] ? SyS_read+0x184/0x220 [ 43.845261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.845269] do_async_page_fault+0x72/0xc0 [ 43.845273] async_page_fault+0x28/0x30 [ 43.845276] RIP: 0033:0x42f73e [ 43.845278] RSP: 002b:00007f883521dce8 EFLAGS: 00010206 [ 43.845282] RAX: 0000000000cb73b0 RBX: 0000000000cb7120 RCX: 0000000000000001 [ 43.845284] RDX: 000000000000058a RSI: 0000000000ccf3d0 RDI: 0000000000cb7120 [ 43.845287] RBP: 0000000000000001 R08: 0000000000cb6b80 R09: 0000000000000000 [ 43.845289] R10: 33203a6d656d5f77 R11: a3d70a3d70a3d70b R12: 000000000065e200 [ 43.845292] R13: 0000000000cb7230 R14: 0000000000000001 R15: 00007f8836a5314c [ 43.845314] Mem-Info: [ 43.845323] active_anon:3336 inactive_anon:42 isolated_anon:0 [ 43.845323] active_file:91 inactive_file:2 isolated_file:0 [ 43.845323] unevictable:0 dirty:48 writeback:0 unstable:0 [ 43.845323] slab_reclaimable:5244 slab_unreclaimable:24254 [ 43.845323] mapped:22 shmem:49 pagetables:302 bounce:0 [ 43.845323] free:10801 free_pcp:431 free_cma:0 [ 43.845331] Node 0 active_anon:8412kB inactive_anon:100kB active_file:256kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:124kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.845339] Node 1 active_anon:4932kB inactive_anon:68kB active_file:108kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:68kB writeback:0kB shmem:80kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.845341] Node 0 DMA free:3772kB min:640kB low:800kB high:960kB active_anon:4kB inactive_anon:0kB active_file:88kB inactive_file:56kB unevictable:0kB writepending:96kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.845350] lowmem_reserve[]: 0 884 884 884 [ 43.845356] Node 0 DMA32 free:25968kB min:36500kB low:45624kB high:54748kB active_anon:8408kB inactive_anon:100kB active_file:72kB inactive_file:96kB unevictable:0kB writepending:28kB present:1032192kB managed:907900kB mlocked:0kB kernel_stack:2880kB pagetables:596kB bounce:0kB free_pcp:640kB local_pcp:120kB free_cma:0kB [ 43.845366] lowmem_reserve[]: 0 0 0 0 [ 43.845372] Node 1 DMA32 free:13464kB min:30440kB low:38048kB high:45656kB active_anon:4932kB inactive_anon:68kB active_file:400kB inactive_file:460kB unevictable:0kB writepending:68kB present:1048560kB managed:755224kB mlocked:0kB kernel_stack:1216kB pagetables:612kB bounce:0kB free_pcp:1084kB local_pcp:660kB free_cma:0kB [ 43.845381] lowmem_reserve[]: 0 0 0 0 [ 43.845387] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (M) 1*32kB (U) 0*64kB 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 3772kB [ 43.845413] Node 0 DMA32: 290*4kB (UM) 241*8kB (M) 168*16kB (M) 97*32kB (M) 39*64kB (UM) 8*128kB (UM) 3*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 3*4096kB (M) = 25968kB [ 43.845439] Node 1 DMA32: 65*4kB (UME) 185*8kB (ME) 92*16kB (ME) 37*32kB (UME) 22*64kB (ME) 5*128kB (UM) 5*256kB (ME) 2*512kB (M) 3*1024kB (ME) 1*2048kB (M) 0*4096kB = 13868kB [ 43.845465] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.845466] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.845467] 166 total pagecache pages [ 43.845469] 0 pages in swap cache [ 43.845470] Swap cache stats: add 0, delete 0, find 0/0 [ 43.845471] Free swap = 0kB [ 43.845472] Total swap = 0kB [ 43.845473] 524186 pages RAM [ 43.845474] 0 pages HighMem/MovableOnly [ 43.845474] 104428 pages reserved [ 43.845475] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 43.845481] [ 1507] 0 1507 5348 137 16 3 0 -1000 udevd [ 43.845485] [ 2762] 0 2762 2493 572 8 3 0 0 dhclient [ 43.845488] [ 2890] 0 2890 14298 172 24 3 0 0 rsyslogd [ 43.845491] [ 2927] 0 2927 4725 48 14 3 0 0 cron [ 43.845494] [ 2953] 0 2953 12490 152 27 3 0 -1000 sshd [ 43.845497] [ 2977] 0 2977 3694 41 13 3 0 0 getty [ 43.845500] [ 2978] 0 2978 3694 41 13 3 0 0 getty [ 43.845503] [ 2979] 0 2979 3694 39 13 3 0 0 getty [ 43.845506] [ 2980] 0 2980 3694 41 13 3 0 0 getty [ 43.845509] [ 2981] 0 2981 3694 39 12 3 0 0 getty [ 43.845512] [ 2982] 0 2982 3694 42 13 3 0 0 getty [ 43.845515] [ 2983] 0 2983 3649 40 12 3 0 0 getty [ 43.845518] [ 2984] 0 2984 5347 139 15 3 0 -1000 udevd [ 43.845521] [ 2985] 0 2985 5347 138 15 3 0 -1000 udevd [ 43.845524] [ 3006] 0 3006 17820 195 39 3 0 0 sshd [ 43.845528] [ 3008] 0 3008 8328 1517 14 5 0 0 syz-execprog [ 43.845531] [ 3017] 0 3017 5297 18 7 3 0 0 syz-executor0 [ 43.845534] [ 3538] 0 3536 9458 0 9 4 0 0 syz-executor0 [ 43.845536] Out of memory: Kill process 3008 (syz-execprog) score 3 or sacrifice child [ 43.845571] Killed process 3008 (syz-execprog) total-vm:33312kB, anon-rss:6068kB, file-rss:0kB, shmem-rss:0kB [ 43.846829] oom_reaper: reaped process 3008 (syz-execprog), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.848362] init invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 43.848365] init cpuset=/ mems_allowed=0-1 [ 43.848372] CPU: 1 PID: 1 Comm: init Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.848373] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.848374] Call Trace: [ 43.848378] dump_stack+0x194/0x257 [ 43.848383] ? arch_local_irq_restore+0x53/0x53 [ 43.848389] dump_header+0x234/0xa0e [ 43.848392] ? check_same_owner+0x320/0x320 [ 43.848396] ? task_will_free_mem+0x252/0xaa0 [ 43.848399] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.848404] ? pagefault_out_of_memory+0x152/0x152 [ 43.848408] ? lock_acquire+0x1d5/0x580 [ 43.848411] ? ___ratelimit+0x30d/0x630 [ 43.848414] ? lock_downgrade+0x990/0x990 [ 43.848417] ? avc_has_perm_noaudit+0x37e/0x520 [ 43.848421] ? do_raw_spin_trylock+0x190/0x190 [ 43.848425] ? lock_acquire+0x1d5/0x580 [ 43.848429] ? lock_downgrade+0x990/0x990 [ 43.848433] ? trace_hardirqs_on+0xd/0x10 [ 43.848437] ? ___ratelimit+0x95/0x630 [ 43.848440] ? idr_get_free+0xff0/0xff0 [ 43.848444] ? cred_has_capability+0x1a0/0x3d0 [ 43.848449] oom_kill_process+0x86d/0x13d0 [ 43.848452] ? lock_downgrade+0x990/0x990 [ 43.848454] ? lock_release+0xa40/0xa40 [ 43.848458] ? lock_release+0xa40/0xa40 [ 43.848463] ? oom_evaluate_task+0x480/0x480 [ 43.848467] ? security_capable_noaudit+0x8b/0xc0 [ 43.848472] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 43.848475] ? has_capability+0x30/0x30 [ 43.848482] ? lock_acquire+0x1d5/0x580 [ 43.848484] ? lock_acquire+0x1d5/0x580 [ 43.848487] ? oom_unkillable_task+0x394/0x4c0 [ 43.848490] ? lock_downgrade+0x990/0x990 [ 43.848495] ? lock_release+0xa40/0xa40 [ 43.848504] ? oom_unkillable_task+0x33d/0x4c0 [ 43.848506] ? out_of_memory+0xaaa/0x11d0 [ 43.848510] ? lock_downgrade+0x990/0x990 [ 43.848514] ? lock_release+0xa40/0xa40 [ 43.848516] ? lock_acquire+0x1d5/0x580 [ 43.848520] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 43.848524] ? srcu_init_notifier_head+0x80/0x80 [ 43.848528] ? oom_evaluate_task+0x284/0x480 [ 43.848532] out_of_memory+0x7dd/0x11d0 [ 43.848538] ? oom_killer_disable+0x310/0x310 [ 43.848540] ? mutex_trylock+0x23a/0x2d0 [ 43.848545] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.848547] ? check_same_owner+0x320/0x320 [ 43.848550] ? _find_next_bit+0xee/0x120 [ 43.848556] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 43.848575] ? warn_alloc+0x2f0/0x2f0 [ 43.848579] ? fs_reclaim_acquire+0x20/0x20 [ 43.848581] ? lock_acquire+0x1d5/0x580 [ 43.848584] ? find_get_entry+0x513/0x9e0 [ 43.848587] ? lock_downgrade+0x990/0x990 [ 43.848593] ? radix_tree_lookup_slot+0x99/0xe0 [ 43.848596] ? __radix_tree_lookup+0x5e0/0x5e0 [ 43.848600] ? __might_sleep+0x95/0x190 [ 43.848604] ? find_get_entry+0x53c/0x9e0 [ 43.848607] ? lock_release+0xa40/0xa40 [ 43.848612] ? find_get_pages_tag+0xf40/0xf40 [ 43.848617] ? finish_task_switch+0x1d3/0x740 [ 43.848620] ? __radix_tree_lookup+0x435/0x5e0 [ 43.848622] ? lock_downgrade+0x990/0x990 [ 43.848630] ? lock_acquire+0x1d5/0x580 [ 43.848633] ? fs_reclaim_acquire+0x20/0x20 [ 43.848636] ? lock_downgrade+0x990/0x990 [ 43.848641] ? check_same_owner+0x320/0x320 [ 43.848647] ? __might_sleep+0x95/0x190 [ 43.848652] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.848657] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.848661] ? add_to_page_cache_lru+0x510/0x510 [ 43.848665] ? read_cache_pages+0x9a0/0x9a0 [ 43.848669] ? lock_acquire+0x1d5/0x580 [ 43.848672] ? is_bpf_text_address+0x7b/0x120 [ 43.848675] ? lock_downgrade+0x990/0x990 [ 43.848678] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 43.848681] ? lock_release+0xa40/0xa40 [ 43.848689] alloc_pages_current+0xb6/0x1e0 [ 43.848692] ? lock_downgrade+0x990/0x990 [ 43.848696] __page_cache_alloc+0x358/0x4d0 [ 43.848699] ? unwind_get_return_address+0x61/0xa0 [ 43.848703] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 43.848707] ? lock_acquire+0x1d5/0x580 [ 43.848712] filemap_fault+0xf32/0x1d30 [ 43.848719] ? __lock_page_or_retry+0x4f0/0x4f0 [ 43.848724] ? filemap_map_pages+0x942/0x15d0 [ 43.848730] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.848733] ? find_get_entries_tag+0xeb0/0xeb0 [ 43.848736] ? prepare_to_wait+0x4d0/0x4d0 [ 43.848741] ? trace_hardirqs_off+0xd/0x10 [ 43.848744] ? quarantine_put+0xeb/0x190 [ 43.848749] ? trace_hardirqs_off+0xd/0x10 [ 43.848752] ? kmem_cache_free+0x21b/0x280 [ 43.848756] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.848759] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.848764] ? lock_acquire+0x1d5/0x580 [ 43.848767] ? lock_acquire+0x1d5/0x580 [ 43.848770] ? ext4_filemap_fault+0x7a/0xb0 [ 43.848772] ? get_signal+0xe71/0x17e0 [ 43.848777] ? lock_release+0xa40/0xa40 [ 43.848779] ? check_same_owner+0x320/0x320 [ 43.848782] ? do_raw_spin_trylock+0x190/0x190 [ 43.848786] ? rcu_note_context_switch+0x710/0x710 [ 43.848790] ? __might_sleep+0x95/0x190 [ 43.848794] ? down_read+0x96/0x150 [ 43.848796] ? ext4_filemap_fault+0x7a/0xb0 [ 43.848799] ? __down_interruptible+0x6a0/0x6a0 [ 43.848803] ? recalc_sigpending_tsk+0x117/0x150 [ 43.848806] ? recalc_sigpending+0x103/0x160 [ 43.848811] ext4_filemap_fault+0x82/0xb0 [ 43.848814] __do_fault+0xeb/0x30f [ 43.848817] ? lock_downgrade+0x990/0x990 [ 43.848821] ? pte_offset_kernel+0xc7/0xc7 [ 43.848823] ? do_raw_spin_trylock+0x190/0x190 [ 43.848828] ? lock_acquire+0x1d5/0x580 [ 43.848831] ? __might_fault+0x110/0x1d0 [ 43.848836] __handle_mm_fault+0x1bb7/0x3980 [ 43.848841] ? __pmd_alloc+0x4e0/0x4e0 [ 43.848843] ? signal_setup_done+0x1f5/0x300 [ 43.848846] ? set_current_blocked+0x40/0x40 [ 43.848849] ? __might_sleep+0x95/0x190 [ 43.848855] ? lock_acquire+0x1d5/0x580 [ 43.848857] ? handle_mm_fault+0x23e/0x940 [ 43.848861] ? lock_downgrade+0x990/0x990 [ 43.848872] handle_mm_fault+0x3bb/0x940 [ 43.848874] ? down_read_trylock+0xdb/0x170 [ 43.848878] ? __handle_mm_fault+0x3980/0x3980 [ 43.848880] ? vmacache_find+0x61/0x270 [ 43.848882] ? vmacache_update+0xfe/0x130 [ 43.848886] ? find_vma+0x30/0x150 [ 43.848890] __do_page_fault+0x4f6/0xb60 [ 43.848896] trace_do_page_fault+0x141/0x730 [ 43.848899] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 43.848902] ? do_page_fault+0x70/0x70 [ 43.848905] ? kasan_check_write+0x14/0x20 [ 43.848910] ? syscall_return_slowpath+0x2b3/0x500 [ 43.848913] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 43.848917] ? debug_locks_off+0x86/0xa0 [ 43.848921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.848926] do_async_page_fault+0x72/0xc0 [ 43.848928] async_page_fault+0x28/0x30 [ 43.848930] RIP: 0033:0x402a80 [ 43.848932] RSP: 002b:00007ffdf1c029b8 EFLAGS: 00010246 [ 43.848934] RAX: 0000000000000000 RBX: 00007ffdf1c02fe0 RCX: 00007fe7aed39dd3 [ 43.848936] RDX: 00007ffdf1c029c0 RSI: 00007ffdf1c02af0 RDI: 0000000000000011 [ 43.848938] RBP: 00007ffdf1c03190 R08: 00007ffdf1c03210 R09: 0000000000000001 [ 43.848939] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 43.848941] R13: 00007ffdf1c03570 R14: 0000000000000000 R15: 0000000000000000 [ 43.848948] Mem-Info: [ 43.848954] active_anon:1761 inactive_anon:42 isolated_anon:0 [ 43.848954] active_file:65 inactive_file:0 isolated_file:0 [ 43.848954] unevictable:0 dirty:48 writeback:0 unstable:0 [ 43.848954] slab_reclaimable:5244 slab_unreclaimable:24254 [ 43.848954] mapped:22 shmem:49 pagetables:302 bounce:0 [ 43.848954] free:12313 free_pcp:589 free_cma:0 [ 43.848959] Node 0 active_anon:2212kB inactive_anon:100kB active_file:152kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:124kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 43.848964] Node 1 active_anon:4832kB inactive_anon:68kB active_file:108kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:68kB writeback:0kB shmem:80kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.848965] Node 0 DMA free:3772kB min:640kB low:800kB high:960kB active_anon:4kB inactive_anon:0kB active_file:68kB inactive_file:4kB unevictable:0kB writepending:96kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.848971] lowmem_reserve[]: 0 884 884 884 [ 43.848975] Node 0 DMA32 free:31512kB min:36500kB low:45624kB high:54748kB active_anon:2360kB inactive_anon:100kB active_file:72kB inactive_file:96kB unevictable:0kB writepending:28kB present:1032192kB managed:907900kB mlocked:0kB kernel_stack:2752kB pagetables:596kB bounce:0kB free_pcp:1268kB local_pcp:168kB free_cma:0kB [ 43.848981] lowmem_reserve[]: 0 0 0 0 [ 43.848985] Node 1 DMA32 free:13968kB min:30440kB low:38048kB high:45656kB active_anon:4932kB inactive_anon:68kB active_file:400kB inactive_file:460kB unevictable:0kB writepending:68kB present:1048560kB managed:755224kB mlocked:0kB kernel_stack:1216kB pagetables:612kB bounce:0kB free_pcp:1088kB local_pcp:0kB free_cma:0kB [ 43.848991] lowmem_reserve[]: 0 0 0 0 [ 43.848994] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (M) 1*32kB (U) 0*64kB 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 3772kB [ 43.849033] Node 0 DMA32: 326*4kB (M) 252*8kB (UM) 186*16kB (UM) 123*32kB (UM) 54*64kB (UM) 32*128kB (UM) 5*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 3*4096kB (M) = 31864kB [ 43.849064] Node 1 DMA32: 96*4kB (UME) 185*8kB (ME) 92*16kB (ME) 41*32kB (UME) 22*64kB (ME) 5*128kB (UM) 5*256kB (ME) 2*512kB (M) 3*1024kB (ME) 1*2048kB (M) 0*4096kB = 14120kB [ 43.849098] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.849101] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.849103] 166 total pagecache pages [ 43.849105] 0 pages in swap cache [ 43.849108] Swap cache stats: add 0, delete 0, find 0/0 [ 43.849109] Free swap = 0kB [ 43.849111] Total swap = 0kB [ 43.849113] 524186 pages RAM [ 43.849114] 0 pages HighMem/MovableOnly [ 43.849116] 104428 pages reserved [ 43.849117] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 43.849127] [ 1507] 0 1507 5348 137 16 3 0 -1000 udevd [ 43.849133] [ 2762] 0 2762 2493 572 8 3 0 0 dhclient [ 43.849139] [ 2890] 0 2890 14298 172 24 3 0 0 rsyslogd [ 43.849144] [ 2927] 0 2927 4725 48 14 3 0 0 cron [ 43.849150] [ 2953] 0 2953 12490 152 27 3 0 -1000 sshd [ 43.849156] [ 2977] 0 2977 3694 41 13 3 0 0 getty [ 43.849162] [ 2978] 0 2978 3694 41 13 3 0 0 getty [ 43.849168] [ 2979] 0 2979 3694 39 13 3 0 0 getty [ 43.849173] [ 2980] 0 2980 3694 41 13 3 0 0 getty [ 43.849179] [ 2981] 0 2981 3694 39 12 3 0 0 getty [ 43.849185] [ 2982] 0 2982 3694 42 13 3 0 0 getty [ 43.849191] [ 2983] 0 2983 3649 40 12 3 0 0 getty [ 43.849196] [ 2984] 0 2984 5347 139 15 3 0 -1000 udevd [ 43.849202] [ 2985] 0 2985 5347 138 15 3 0 -1000 udevd [ 43.849208] [ 3006] 0 3006 17820 195 39 3 0 0 sshd [ 43.849215] [ 3017] 0 3017 5297 18 7 3 0 0 syz-executor0 [ 43.849221] [ 3538] 0 3536 9458 0 9 4 0 0 syz-executor0 [ 43.849224] Out of memory: Kill process 2762 (dhclient) score 1 or sacrifice child [ 43.849233] Killed process 2762 (dhclient) total-vm:9972kB, anon-rss:2288kB, file-rss:0kB, shmem-rss:0kB [ 43.849622] oom_reaper: reaped process 2762 (dhclient), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.852575] init invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 43.852580] init cpuset=/ mems_allowed=0-1 [ 43.852588] CPU: 1 PID: 1 Comm: init Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.852590] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.852592] Call Trace: [ 43.852598] dump_stack+0x194/0x257 [ 43.852605] ? arch_local_irq_restore+0x53/0x53 [ 43.852616] dump_header+0x234/0xa0e [ 43.852621] ? check_same_owner+0x320/0x320 [ 43.852627] ? task_will_free_mem+0x252/0xaa0 [ 43.852633] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.852640] ? pagefault_out_of_memory+0x152/0x152 [ 43.852648] ? lock_acquire+0x1d5/0x580 [ 43.852653] ? ___ratelimit+0x30d/0x630 [ 43.852658] ? lock_downgrade+0x990/0x990 [ 43.852662] ? avc_has_perm_noaudit+0x37e/0x520 [ 43.852668] ? do_raw_spin_trylock+0x190/0x190 [ 43.852673] ? lock_acquire+0x1d5/0x580 [ 43.852678] ? lock_downgrade+0x990/0x990 [ 43.852682] ? trace_hardirqs_on+0xd/0x10 [ 43.852686] ? ___ratelimit+0x95/0x630 [ 43.852689] ? idr_get_free+0xff0/0xff0 [ 43.852693] ? cred_has_capability+0x1a0/0x3d0 [ 43.852698] oom_kill_process+0x86d/0x13d0 [ 43.852701] ? lock_downgrade+0x990/0x990 [ 43.852703] ? lock_release+0xa40/0xa40 [ 43.852707] ? lock_release+0xa40/0xa40 [ 43.852712] ? oom_evaluate_task+0x480/0x480 [ 43.852716] ? security_capable_noaudit+0x8b/0xc0 [ 43.852721] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 43.852724] ? has_capability+0x30/0x30 [ 43.852731] ? lock_acquire+0x1d5/0x580 [ 43.852733] ? lock_acquire+0x1d5/0x580 [ 43.852736] ? oom_unkillable_task+0x394/0x4c0 [ 43.852739] ? lock_downgrade+0x990/0x990 [ 43.852743] ? lock_release+0xa40/0xa40 [ 43.852752] ? oom_unkillable_task+0x33d/0x4c0 [ 43.852755] ? out_of_memory+0xaaa/0x11d0 [ 43.852758] ? lock_downgrade+0x990/0x990 [ 43.852762] ? lock_release+0xa40/0xa40 [ 43.852765] ? lock_acquire+0x1d5/0x580 [ 43.852768] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 43.852772] ? srcu_init_notifier_head+0x80/0x80 [ 43.852776] ? oom_evaluate_task+0x284/0x480 [ 43.852780] out_of_memory+0x7dd/0x11d0 [ 43.852786] ? oom_killer_disable+0x310/0x310 [ 43.852789] ? mutex_trylock+0x23a/0x2d0 [ 43.852793] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.852795] ? check_same_owner+0x320/0x320 [ 43.852798] ? _find_next_bit+0xee/0x120 [ 43.852804] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 43.852823] ? warn_alloc+0x2f0/0x2f0 [ 43.852827] ? fs_reclaim_acquire+0x20/0x20 [ 43.852829] ? lock_acquire+0x1d5/0x580 [ 43.852832] ? find_get_entry+0x513/0x9e0 [ 43.852835] ? lock_downgrade+0x990/0x990 [ 43.852841] ? radix_tree_lookup_slot+0x99/0xe0 [ 43.852844] ? __radix_tree_lookup+0x5e0/0x5e0 [ 43.852848] ? __might_sleep+0x95/0x190 [ 43.852852] ? find_get_entry+0x53c/0x9e0 [ 43.852855] ? lock_release+0xa40/0xa40 [ 43.852860] ? find_get_pages_tag+0xf40/0xf40 [ 43.852865] ? finish_task_switch+0x1d3/0x740 [ 43.852868] ? __radix_tree_lookup+0x435/0x5e0 [ 43.852870] ? lock_downgrade+0x990/0x990 [ 43.852878] ? lock_acquire+0x1d5/0x580 [ 43.852881] ? fs_reclaim_acquire+0x20/0x20 [ 43.852884] ? lock_downgrade+0x990/0x990 [ 43.852889] ? check_same_owner+0x320/0x320 [ 43.852895] ? __might_sleep+0x95/0x190 [ 43.852900] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.852905] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.852909] ? add_to_page_cache_lru+0x510/0x510 [ 43.852913] ? read_cache_pages+0x9a0/0x9a0 [ 43.852917] ? lock_acquire+0x1d5/0x580 [ 43.852920] ? is_bpf_text_address+0x7b/0x120 [ 43.852923] ? lock_downgrade+0x990/0x990 [ 43.852926] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 43.852929] ? lock_release+0xa40/0xa40 [ 43.852937] alloc_pages_current+0xb6/0x1e0 [ 43.852939] ? lock_downgrade+0x990/0x990 [ 43.852943] __page_cache_alloc+0x358/0x4d0 [ 43.852946] ? unwind_get_return_address+0x61/0xa0 [ 43.852950] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 43.852954] ? lock_acquire+0x1d5/0x580 [ 43.852959] filemap_fault+0xf32/0x1d30 [ 43.852966] ? __lock_page_or_retry+0x4f0/0x4f0 [ 43.852971] ? filemap_map_pages+0x942/0x15d0 [ 43.852977] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.852980] ? find_get_entries_tag+0xeb0/0xeb0 [ 43.852983] ? prepare_to_wait+0x4d0/0x4d0 [ 43.852988] ? trace_hardirqs_off+0xd/0x10 [ 43.852991] ? quarantine_put+0xeb/0x190 [ 43.852996] ? trace_hardirqs_off+0xd/0x10 [ 43.852999] ? kmem_cache_free+0x21b/0x280 [ 43.853007] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.853012] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.853020] ? lock_acquire+0x1d5/0x580 [ 43.853025] ? lock_acquire+0x1d5/0x580 [ 43.853030] ? ext4_filemap_fault+0x7a/0xb0 [ 43.853034] ? get_signal+0xe71/0x17e0 [ 43.853040] ? lock_release+0xa40/0xa40 [ 43.853042] ? check_same_owner+0x320/0x320 [ 43.853045] ? do_raw_spin_trylock+0x190/0x190 [ 43.853048] ? rcu_note_context_switch+0x710/0x710 [ 43.853053] ? __might_sleep+0x95/0x190 [ 43.853057] ? down_read+0x96/0x150 [ 43.853059] ? ext4_filemap_fault+0x7a/0xb0 [ 43.853062] ? __down_interruptible+0x6a0/0x6a0 [ 43.853066] ? recalc_sigpending_tsk+0x117/0x150 [ 43.853069] ? recalc_sigpending+0x103/0x160 [ 43.853073] ext4_filemap_fault+0x82/0xb0 [ 43.853077] __do_fault+0xeb/0x30f [ 43.853080] ? lock_downgrade+0x990/0x990 [ 43.853083] ? pte_offset_kernel+0xc7/0xc7 [ 43.853086] ? do_raw_spin_trylock+0x190/0x190 [ 43.853090] ? lock_acquire+0x1d5/0x580 [ 43.853093] ? __might_fault+0x110/0x1d0 [ 43.853098] __handle_mm_fault+0x1bb7/0x3980 [ 43.853103] ? __pmd_alloc+0x4e0/0x4e0 [ 43.853105] ? signal_setup_done+0x1f5/0x300 [ 43.853109] ? set_current_blocked+0x40/0x40 [ 43.853112] ? __might_sleep+0x95/0x190 [ 43.853118] ? lock_acquire+0x1d5/0x580 [ 43.853120] ? handle_mm_fault+0x23e/0x940 [ 43.853124] ? lock_downgrade+0x990/0x990 [ 43.853135] handle_mm_fault+0x3bb/0x940 [ 43.853137] ? down_read_trylock+0xdb/0x170 [ 43.853141] ? __handle_mm_fault+0x3980/0x3980 [ 43.853143] ? vmacache_find+0x61/0x270 [ 43.853146] ? vmacache_update+0xfe/0x130 [ 43.853149] ? find_vma+0x30/0x150 [ 43.853153] __do_page_fault+0x4f6/0xb60 [ 43.853159] trace_do_page_fault+0x141/0x730 [ 43.853162] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 43.853165] ? do_page_fault+0x70/0x70 [ 43.853167] ? kasan_check_write+0x14/0x20 [ 43.853173] ? syscall_return_slowpath+0x2b3/0x500 [ 43.853176] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 43.853180] ? debug_locks_off+0x86/0xa0 [ 43.853184] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.853189] do_async_page_fault+0x72/0xc0 [ 43.853191] async_page_fault+0x28/0x30 [ 43.853193] RIP: 0033:0x402a80 [ 43.853195] RSP: 002b:00007ffdf1c029b8 EFLAGS: 00010246 [ 43.853197] RAX: 0000000000000000 RBX: 00007ffdf1c02fe0 RCX: 00007fe7aed39dd3 [ 43.853199] RDX: 00007ffdf1c029c0 RSI: 00007ffdf1c02af0 RDI: 0000000000000011 [ 43.853200] RBP: 00007ffdf1c03190 R08: 00007ffdf1c03210 R09: 0000000000000001 [ 43.853202] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 43.853203] R13: 00007ffdf1c03570 R14: 0000000000000000 R15: 0000000000000000 [ 43.853218] Mem-Info: [ 43.853224] active_anon:1186 inactive_anon:42 isolated_anon:0 [ 43.853224] active_file:90 inactive_file:0 isolated_file:0 [ 43.853224] unevictable:0 dirty:48 writeback:0 unstable:0 [ 43.853224] slab_reclaimable:5244 slab_unreclaimable:24254 [ 43.853224] mapped:22 shmem:49 pagetables:302 bounce:0 [ 43.853224] free:12817 free_pcp:617 free_cma:0 [ 43.853229] Node 0 active_anon:2212kB inactive_anon:100kB active_file:252kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:124kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 43.853234] Node 1 active_anon:2532kB inactive_anon:68kB active_file:108kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:68kB writeback:0kB shmem:80kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.853235] Node 0 DMA free:3772kB min:640kB low:800kB high:960kB active_anon:4kB inactive_anon:0kB active_file:104kB inactive_file:16kB unevictable:0kB writepending:96kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.853240] lowmem_reserve[]: 0 884 884 884 [ 43.853244] Node 0 DMA32 free:31512kB min:36500kB low:45624kB high:54748kB active_anon:2360kB inactive_anon:100kB active_file:72kB inactive_file:96kB unevictable:0kB writepending:28kB present:1032192kB managed:907900kB mlocked:0kB kernel_stack:2752kB pagetables:596kB bounce:0kB free_pcp:1268kB local_pcp:168kB free_cma:0kB [ 43.853250] lowmem_reserve[]: 0 0 0 0 [ 43.853254] Node 1 DMA32 free:15984kB min:30440kB low:38048kB high:45656kB active_anon:2916kB inactive_anon:68kB active_file:400kB inactive_file:460kB unevictable:0kB writepending:68kB present:1048560kB managed:755224kB mlocked:0kB kernel_stack:1216kB pagetables:612kB bounce:0kB free_pcp:1200kB local_pcp:0kB free_cma:0kB [ 43.853260] lowmem_reserve[]: 0 0 0 0 [ 43.853263] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (M) 1*32kB (U) 0*64kB 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 3772kB [ 43.853280] Node 0 DMA32: 326*4kB (M) 252*8kB (UM) 186*16kB (UM) 123*32kB (UM) 54*64kB (UM) 32*128kB (UM) 5*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 3*4096kB (M) = 31864kB [ 43.853298] Node 1 DMA32: 216*4kB (UME) 180*8kB (ME) 108*16kB (ME) 59*32kB (UME) 31*64kB (ME) 8*128kB (UM) 5*256kB (ME) 2*512kB (M) 3*1024kB (ME) 1*2048kB (M) 0*4096kB = 16352kB [ 43.853317] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.853319] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.853320] 166 total pagecache pages [ 43.853321] 0 pages in swap cache [ 43.853323] Swap cache stats: add 0, delete 0, find 0/0 [ 43.853324] Free swap = 0kB [ 43.853324] Total swap = 0kB [ 43.853325] 524186 pages RAM [ 43.853326] 0 pages HighMem/MovableOnly [ 43.853327] 104428 pages reserved [ 43.853328] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 43.853334] [ 1507] 0 1507 5348 137 16 3 0 -1000 udevd [ 43.853338] [ 2890] 0 2890 14298 172 24 3 0 0 rsyslogd [ 43.853341] [ 2927] 0 2927 4725 48 14 3 0 0 cron [ 43.853344] [ 2953] 0 2953 12490 152 27 3 0 -1000 sshd [ 43.853348] [ 2977] 0 2977 3694 41 13 3 0 0 getty [ 43.853351] [ 2978] 0 2978 3694 41 13 3 0 0 getty [ 43.853354] [ 2979] 0 2979 3694 39 13 3 0 0 getty [ 43.853357] [ 2980] 0 2980 3694 41 13 3 0 0 getty [ 43.853360] [ 2981] 0 2981 3694 39 12 3 0 0 getty [ 43.853363] [ 2982] 0 2982 3694 42 13 3 0 0 getty [ 43.853367] [ 2983] 0 2983 3649 40 12 3 0 0 getty [ 43.853370] [ 2984] 0 2984 5347 139 15 3 0 -1000 udevd [ 43.853373] [ 2985] 0 2985 5347 138 15 3 0 -1000 udevd [ 43.853376] [ 3006] 0 3006 17820 195 39 3 0 0 sshd [ 43.853380] [ 3017] 0 3017 5297 18 7 3 0 0 syz-executor0 [ 43.853384] [ 3538] 0 3536 9458 0 9 4 0 0 syz-executor0 [ 43.853385] Out of memory: Kill process 3006 (sshd) score 0 or sacrifice child [ 43.853390] Killed process 3006 (sshd) total-vm:71280kB, anon-rss:776kB, file-rss:0kB, shmem-rss:4kB [ 43.853901] oom_reaper: reaped process 3006 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB [ 43.856518] sshd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 43.856524] sshd cpuset=/ mems_allowed=0-1 [ 43.856533] CPU: 1 PID: 2953 Comm: sshd Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.856535] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.856536] Call Trace: [ 43.856544] dump_stack+0x194/0x257 [ 43.856551] ? arch_local_irq_restore+0x53/0x53 [ 43.856562] dump_header+0x234/0xa0e [ 43.856567] ? check_same_owner+0x320/0x320 [ 43.856574] ? task_will_free_mem+0x252/0xaa0 [ 43.856579] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.856587] ? pagefault_out_of_memory+0x152/0x152 [ 43.856594] ? lock_acquire+0x1d5/0x580 [ 43.856599] ? ___ratelimit+0x30d/0x630 [ 43.856605] ? lock_downgrade+0x990/0x990 [ 43.856609] ? avc_has_perm_noaudit+0x37e/0x520 [ 43.856615] ? do_raw_spin_trylock+0x190/0x190 [ 43.856623] ? lock_acquire+0x1d5/0x580 [ 43.856630] ? lock_downgrade+0x990/0x990 [ 43.856637] ? trace_hardirqs_on+0xd/0x10 [ 43.856643] ? ___ratelimit+0x95/0x630 [ 43.856649] ? idr_get_free+0xff0/0xff0 [ 43.856655] ? cred_has_capability+0x1a0/0x3d0 [ 43.856665] oom_kill_process+0x86d/0x13d0 [ 43.856669] ? lock_downgrade+0x990/0x990 [ 43.856673] ? lock_release+0xa40/0xa40 [ 43.856680] ? lock_release+0xa40/0xa40 [ 43.856689] ? oom_evaluate_task+0x480/0x480 [ 43.856696] ? security_capable_noaudit+0x8b/0xc0 [ 43.856704] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 43.856709] ? has_capability+0x30/0x30 [ 43.856721] ? lock_acquire+0x1d5/0x580 [ 43.856725] ? lock_acquire+0x1d5/0x580 [ 43.856730] ? oom_unkillable_task+0x394/0x4c0 [ 43.856736] ? lock_downgrade+0x990/0x990 [ 43.856744] ? lock_release+0xa40/0xa40 [ 43.856759] ? oom_unkillable_task+0x33d/0x4c0 [ 43.856764] ? out_of_memory+0xaaa/0x11d0 [ 43.856770] ? lock_downgrade+0x990/0x990 [ 43.856777] ? lock_release+0xa40/0xa40 [ 43.856781] ? lock_acquire+0x1d5/0x580 [ 43.856787] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 43.856794] ? srcu_init_notifier_head+0x80/0x80 [ 43.856801] ? oom_evaluate_task+0x284/0x480 [ 43.856809] out_of_memory+0x7dd/0x11d0 [ 43.856819] ? oom_killer_disable+0x310/0x310 [ 43.856823] ? mutex_trylock+0x23a/0x2d0 [ 43.856830] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.856835] ? check_same_owner+0x320/0x320 [ 43.856839] ? _find_next_bit+0xee/0x120 [ 43.856850] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 43.856882] ? warn_alloc+0x2f0/0x2f0 [ 43.856888] ? fs_reclaim_acquire+0x20/0x20 [ 43.856893] ? lock_acquire+0x1d5/0x580 [ 43.856897] ? find_get_entry+0x513/0x9e0 [ 43.856903] ? lock_downgrade+0x990/0x990 [ 43.856913] ? radix_tree_lookup_slot+0x99/0xe0 [ 43.856918] ? __radix_tree_lookup+0x5e0/0x5e0 [ 43.856925] ? __might_sleep+0x95/0x190 [ 43.856932] ? find_get_entry+0x53c/0x9e0 [ 43.856937] ? lock_release+0xa40/0xa40 [ 43.856946] ? find_get_pages_tag+0xf40/0xf40 [ 43.856955] ? finish_task_switch+0x1d3/0x740 [ 43.856960] ? __radix_tree_lookup+0x435/0x5e0 [ 43.856974] ? lock_acquire+0x1d5/0x580 [ 43.856978] ? fs_reclaim_acquire+0x20/0x20 [ 43.856984] ? lock_downgrade+0x990/0x990 [ 43.856992] ? check_same_owner+0x320/0x320 [ 43.857005] ? __might_sleep+0x95/0x190 [ 43.857013] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.857022] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.857028] ? add_to_page_cache_lru+0x510/0x510 [ 43.857036] ? read_cache_pages+0x9a0/0x9a0 [ 43.857042] ? lock_acquire+0x1d5/0x580 [ 43.857045] ? is_bpf_text_address+0x7b/0x120 [ 43.857048] ? lock_downgrade+0x990/0x990 [ 43.857051] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 43.857060] alloc_pages_current+0xb6/0x1e0 [ 43.857062] ? lock_downgrade+0x990/0x990 [ 43.857066] __page_cache_alloc+0x358/0x4d0 [ 43.857070] ? unwind_get_return_address+0x61/0xa0 [ 43.857073] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 43.857078] ? lock_acquire+0x1d5/0x580 [ 43.857082] filemap_fault+0xf32/0x1d30 [ 43.857089] ? __lock_page_or_retry+0x4f0/0x4f0 [ 43.857091] ? lock_downgrade+0x990/0x990 [ 43.857096] ? filemap_map_pages+0x942/0x15d0 [ 43.857102] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.857106] ? find_get_entries_tag+0xeb0/0xeb0 [ 43.857108] ? prepare_to_wait+0x4d0/0x4d0 [ 43.857114] ? trace_hardirqs_off+0xd/0x10 [ 43.857117] ? quarantine_put+0xeb/0x190 [ 43.857122] ? trace_hardirqs_off+0xd/0x10 [ 43.857124] ? kmem_cache_free+0x21b/0x280 [ 43.857129] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.857133] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.857137] ? lock_acquire+0x1d5/0x580 [ 43.857140] ? lock_acquire+0x1d5/0x580 [ 43.857143] ? ext4_filemap_fault+0x7a/0xb0 [ 43.857145] ? get_signal+0xe71/0x17e0 [ 43.857150] ? lock_release+0xa40/0xa40 [ 43.857153] ? check_same_owner+0x320/0x320 [ 43.857155] ? do_raw_spin_trylock+0x190/0x190 [ 43.857159] ? rcu_note_context_switch+0x710/0x710 [ 43.857161] ? dput+0x1f/0x30 [ 43.857166] ? __might_sleep+0x95/0x190 [ 43.857170] ? down_read+0x96/0x150 [ 43.857172] ? ext4_filemap_fault+0x7a/0xb0 [ 43.857175] ? __down_interruptible+0x6a0/0x6a0 [ 43.857178] ? recalc_sigpending_tsk+0x117/0x150 [ 43.857182] ? recalc_sigpending+0x103/0x160 [ 43.857186] ext4_filemap_fault+0x82/0xb0 [ 43.857190] __do_fault+0xeb/0x30f [ 43.857192] ? lock_downgrade+0x990/0x990 [ 43.857196] ? pte_offset_kernel+0xc7/0xc7 [ 43.857199] ? do_raw_spin_trylock+0x190/0x190 [ 43.857203] ? lock_acquire+0x1d5/0x580 [ 43.857206] ? __might_fault+0x110/0x1d0 [ 43.857211] __handle_mm_fault+0x1bb7/0x3980 [ 43.857216] ? __pmd_alloc+0x4e0/0x4e0 [ 43.857218] ? signal_setup_done+0x1f5/0x300 [ 43.857221] ? set_current_blocked+0x40/0x40 [ 43.857224] ? __might_sleep+0x95/0x190 [ 43.857230] ? lock_acquire+0x1d5/0x580 [ 43.857233] ? handle_mm_fault+0x23e/0x940 [ 43.857236] ? lock_downgrade+0x990/0x990 [ 43.857243] ? poll_select_set_timeout+0x210/0x210 [ 43.857249] handle_mm_fault+0x3bb/0x940 [ 43.857251] ? down_read_trylock+0xdb/0x170 [ 43.857255] ? __handle_mm_fault+0x3980/0x3980 [ 43.857257] ? vmacache_find+0x61/0x270 [ 43.857260] ? vmacache_update+0xfe/0x130 [ 43.857263] ? find_vma+0x30/0x150 [ 43.857267] __do_page_fault+0x4f6/0xb60 [ 43.857270] ? fput+0xd2/0x140 [ 43.857276] trace_do_page_fault+0x141/0x730 [ 43.857279] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 43.857282] ? do_page_fault+0x70/0x70 [ 43.857287] ? syscall_return_slowpath+0x2b3/0x500 [ 43.857291] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 43.857293] ? SyS_write+0x184/0x220 [ 43.857297] ? prepare_exit_to_usermode+0x1a0/0x2c0 [ 43.857301] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.857306] do_async_page_fault+0x72/0xc0 [ 43.857308] async_page_fault+0x28/0x30 [ 43.857311] RIP: 0033:0xceb7c38dd0 [ 43.857312] RSP: 002b:00007fffbfd4f3b8 EFLAGS: 00010246 [ 43.857315] RAX: 0000000000000000 RBX: 000000ceb7eaeac0 RCX: 00007f427823fdd3 [ 43.857317] RDX: 00007fffbfd4f3c0 RSI: 00007fffbfd4f4f0 RDI: 0000000000000011 [ 43.857318] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 [ 43.857320] R10: 0000000000000000 R11: 0000000000000246 R12: 000000ceb90bcd30 [ 43.857321] R13: 000000ceb7eaea40 R14: 0000000000000002 R15: 000000ceb7ea8ca0 [ 43.857336] Mem-Info: [ 43.857342] active_anon:986 inactive_anon:42 isolated_anon:0 [ 43.857342] active_file:90 inactive_file:0 isolated_file:0 [ 43.857342] unevictable:0 dirty:48 writeback:0 unstable:0 [ 43.857342] slab_reclaimable:5244 slab_unreclaimable:24254 [ 43.857342] mapped:22 shmem:49 pagetables:302 bounce:0 [ 43.857342] free:13069 free_pcp:607 free_cma:0 [ 43.857347] Node 0 active_anon:2212kB inactive_anon:100kB active_file:252kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:124kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.857352] Node 1 active_anon:1732kB inactive_anon:68kB active_file:108kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:68kB writeback:0kB shmem:80kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 43.857353] Node 0 DMA free:3772kB min:640kB low:800kB high:960kB active_anon:4kB inactive_anon:0kB active_file:80kB inactive_file:12kB unevictable:0kB writepending:96kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.857359] lowmem_reserve[]: 0 884 884 884 [ 43.857363] Node 0 DMA32 free:31512kB min:36500kB low:45624kB high:54748kB active_anon:2360kB inactive_anon:100kB active_file:72kB inactive_file:96kB unevictable:0kB writepending:28kB present:1032192kB managed:907900kB mlocked:0kB kernel_stack:2752kB pagetables:596kB bounce:0kB free_pcp:1264kB local_pcp:168kB free_cma:0kB [ 43.857369] lowmem_reserve[]: 0 0 0 0 [ 43.857373] Node 1 DMA32 free:16992kB min:30440kB low:38048kB high:45656kB active_anon:1908kB inactive_anon:68kB active_file:400kB inactive_file:460kB unevictable:0kB writepending:68kB present:1048560kB managed:755224kB mlocked:0kB kernel_stack:1216kB pagetables:612kB bounce:0kB free_pcp:1164kB local_pcp:4kB free_cma:0kB [ 43.857379] lowmem_reserve[]: 0 0 0 0 [ 43.857382] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (M) 1*32kB (U) 0*64kB 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 3772kB [ 43.857400] Node 0 DMA32: 326*4kB (M) 252*8kB (UM) 186*16kB (UM) 124*32kB (UM) 54*64kB (UM) 32*128kB (UM) 5*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 3*4096kB (M) = 31896kB [ 43.857418] Node 1 DMA32: 214*4kB (UM) 177*8kB (ME) 107*16kB (UME) 65*32kB (UME) 38*64kB (ME) 11*128kB (UM) 5*256kB (ME) 2*512kB (M) 3*1024kB (ME) 1*2048kB (M) 0*4096kB = 17328kB [ 43.857437] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.857439] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.857440] 166 total pagecache pages [ 43.857441] 0 pages in swap cache [ 43.857443] Swap cache stats: add 0, delete 0, find 0/0 [ 43.857444] Free swap = 0kB [ 43.857445] Total swap = 0kB [ 43.857446] 524186 pages RAM [ 43.857447] 0 pages HighMem/MovableOnly [ 43.857447] 104428 pages reserved [ 43.857448] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 43.857455] [ 1507] 0 1507 5348 137 16 3 0 -1000 udevd [ 43.857460] [ 2890] 0 2890 14298 172 24 3 0 0 rsyslogd [ 43.857463] [ 2927] 0 2927 4725 48 14 3 0 0 cron [ 43.857466] [ 2953] 0 2953 12490 152 27 3 0 -1000 sshd [ 43.857469] [ 2977] 0 2977 3694 41 13 3 0 0 getty [ 43.857472] [ 2978] 0 2978 3694 41 13 3 0 0 getty [ 43.857476] [ 2979] 0 2979 3694 39 13 3 0 0 getty [ 43.857479] [ 2980] 0 2980 3694 41 13 3 0 0 getty [ 43.857482] [ 2981] 0 2981 3694 39 12 3 0 0 getty [ 43.857485] [ 2982] 0 2982 3694 42 13 3 0 0 getty [ 43.857488] [ 2983] 0 2983 3649 40 12 3 0 0 getty [ 43.857491] [ 2984] 0 2984 5347 139 15 3 0 -1000 udevd [ 43.857495] [ 2985] 0 2985 5347 138 15 3 0 -1000 udevd [ 43.857500] [ 3017] 0 3017 5297 18 7 3 0 0 syz-executor0 [ 43.857503] [ 3538] 0 3536 9458 0 9 4 0 0 syz-executor0 [ 43.857505] Out of memory: Kill process 2890 (rsyslogd) score 0 or sacrifice child [ 43.857519] Killed process 2890 (rsyslogd) total-vm:57192kB, anon-rss:688kB, file-rss:0kB, shmem-rss:0kB [ 43.857783] oom_reaper: reaped process 2890 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.860440] sshd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 43.860443] sshd cpuset=/ mems_allowed=0-1 [ 43.860449] CPU: 1 PID: 2953 Comm: sshd Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.860450] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.860451] Call Trace: [ 43.860456] dump_stack+0x194/0x257 [ 43.860460] ? arch_local_irq_restore+0x53/0x53 [ 43.860467] dump_header+0x234/0xa0e [ 43.860469] ? check_same_owner+0x320/0x320 [ 43.860473] ? task_will_free_mem+0x252/0xaa0 [ 43.860476] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.860480] ? pagefault_out_of_memory+0x152/0x152 [ 43.860485] ? lock_acquire+0x1d5/0x580 [ 43.860488] ? ___ratelimit+0x30d/0x630 [ 43.860491] ? lock_downgrade+0x990/0x990 [ 43.860493] ? avc_has_perm_noaudit+0x37e/0x520 [ 43.860497] ? do_raw_spin_trylock+0x190/0x190 [ 43.860501] ? lock_acquire+0x1d5/0x580 [ 43.860505] ? lock_downgrade+0x990/0x990 [ 43.860510] ? trace_hardirqs_on+0xd/0x10 [ 43.860513] ? ___ratelimit+0x95/0x630 [ 43.860517] ? idr_get_free+0xff0/0xff0 [ 43.860521] ? cred_has_capability+0x1a0/0x3d0 [ 43.860526] oom_kill_process+0x86d/0x13d0 [ 43.860528] ? lock_downgrade+0x990/0x990 [ 43.860531] ? lock_release+0xa40/0xa40 [ 43.860534] ? lock_release+0xa40/0xa40 [ 43.860540] ? oom_evaluate_task+0x480/0x480 [ 43.860544] ? security_capable_noaudit+0x8b/0xc0 [ 43.860548] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 43.860552] ? has_capability+0x30/0x30 [ 43.860559] ? lock_acquire+0x1d5/0x580 [ 43.860561] ? lock_acquire+0x1d5/0x580 [ 43.860564] ? oom_unkillable_task+0x394/0x4c0 [ 43.860567] ? lock_downgrade+0x990/0x990 [ 43.860571] ? lock_release+0xa40/0xa40 [ 43.860580] ? oom_unkillable_task+0x33d/0x4c0 [ 43.860583] ? out_of_memory+0xaaa/0x11d0 [ 43.860587] ? lock_downgrade+0x990/0x990 [ 43.860591] ? lock_release+0xa40/0xa40 [ 43.860593] ? lock_acquire+0x1d5/0x580 [ 43.860596] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 43.860600] ? srcu_init_notifier_head+0x80/0x80 [ 43.860604] ? oom_evaluate_task+0x284/0x480 [ 43.860609] out_of_memory+0x7dd/0x11d0 [ 43.860615] ? oom_killer_disable+0x310/0x310 [ 43.860617] ? mutex_trylock+0x23a/0x2d0 [ 43.860621] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.860624] ? check_same_owner+0x320/0x320 [ 43.860627] ? _find_next_bit+0xee/0x120 [ 43.860633] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 43.860652] ? warn_alloc+0x2f0/0x2f0 [ 43.860655] ? fs_reclaim_acquire+0x20/0x20 [ 43.860658] ? lock_acquire+0x1d5/0x580 [ 43.860660] ? find_get_entry+0x513/0x9e0 [ 43.860663] ? lock_downgrade+0x990/0x990 [ 43.860669] ? radix_tree_lookup_slot+0x99/0xe0 [ 43.860672] ? __radix_tree_lookup+0x5e0/0x5e0 [ 43.860676] ? __might_sleep+0x95/0x190 [ 43.860680] ? find_get_entry+0x53c/0x9e0 [ 43.860683] ? lock_release+0xa40/0xa40 [ 43.860688] ? find_get_pages_tag+0xf40/0xf40 [ 43.860693] ? finish_task_switch+0x1d3/0x740 [ 43.860696] ? __radix_tree_lookup+0x435/0x5e0 [ 43.860704] ? lock_acquire+0x1d5/0x580 [ 43.860706] ? fs_reclaim_acquire+0x20/0x20 [ 43.860710] ? lock_downgrade+0x990/0x990 [ 43.860715] ? check_same_owner+0x320/0x320 [ 43.860721] ? __might_sleep+0x95/0x190 [ 43.860726] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.860731] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.860734] ? add_to_page_cache_lru+0x510/0x510 [ 43.860739] ? read_cache_pages+0x9a0/0x9a0 [ 43.860743] ? lock_acquire+0x1d5/0x580 [ 43.860745] ? is_bpf_text_address+0x7b/0x120 [ 43.860749] ? lock_downgrade+0x990/0x990 [ 43.860751] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 43.860760] alloc_pages_current+0xb6/0x1e0 [ 43.860763] ? lock_downgrade+0x990/0x990 [ 43.860767] __page_cache_alloc+0x358/0x4d0 [ 43.860770] ? unwind_get_return_address+0x61/0xa0 [ 43.860774] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 43.860778] ? lock_acquire+0x1d5/0x580 [ 43.860782] filemap_fault+0xf32/0x1d30 [ 43.860789] ? __lock_page_or_retry+0x4f0/0x4f0 [ 43.860792] ? lock_downgrade+0x990/0x990 [ 43.860797] ? filemap_map_pages+0x942/0x15d0 [ 43.860802] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.860806] ? find_get_entries_tag+0xeb0/0xeb0 [ 43.860808] ? prepare_to_wait+0x4d0/0x4d0 [ 43.860814] ? trace_hardirqs_off+0xd/0x10 [ 43.860817] ? quarantine_put+0xeb/0x190 [ 43.860822] ? trace_hardirqs_off+0xd/0x10 [ 43.860824] ? kmem_cache_free+0x21b/0x280 [ 43.860829] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.860832] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.860836] ? lock_acquire+0x1d5/0x580 [ 43.860839] ? lock_acquire+0x1d5/0x580 [ 43.860842] ? ext4_filemap_fault+0x7a/0xb0 [ 43.860845] ? get_signal+0xe71/0x17e0 [ 43.860849] ? lock_release+0xa40/0xa40 [ 43.860852] ? check_same_owner+0x320/0x320 [ 43.860854] ? do_raw_spin_trylock+0x190/0x190 [ 43.860858] ? rcu_note_context_switch+0x710/0x710 [ 43.860860] ? dput+0x1f/0x30 [ 43.860864] ? __might_sleep+0x95/0x190 [ 43.860868] ? down_read+0x96/0x150 [ 43.860870] ? ext4_filemap_fault+0x7a/0xb0 [ 43.860873] ? __down_interruptible+0x6a0/0x6a0 [ 43.860877] ? recalc_sigpending_tsk+0x117/0x150 [ 43.860880] ? recalc_sigpending+0x103/0x160 [ 43.860885] ext4_filemap_fault+0x82/0xb0 [ 43.860888] __do_fault+0xeb/0x30f [ 43.860891] ? lock_downgrade+0x990/0x990 [ 43.860894] ? pte_offset_kernel+0xc7/0xc7 [ 43.860897] ? do_raw_spin_trylock+0x190/0x190 [ 43.860901] ? lock_acquire+0x1d5/0x580 [ 43.860904] ? __might_fault+0x110/0x1d0 [ 43.860909] __handle_mm_fault+0x1bb7/0x3980 [ 43.860914] ? __pmd_alloc+0x4e0/0x4e0 [ 43.860916] ? signal_setup_done+0x1f5/0x300 [ 43.860919] ? set_current_blocked+0x40/0x40 [ 43.860922] ? __might_sleep+0x95/0x190 [ 43.860928] ? lock_acquire+0x1d5/0x580 [ 43.860931] ? handle_mm_fault+0x23e/0x940 [ 43.860934] ? lock_downgrade+0x990/0x990 [ 43.860942] ? poll_select_set_timeout+0x210/0x210 [ 43.860947] handle_mm_fault+0x3bb/0x940 [ 43.860950] ? down_read_trylock+0xdb/0x170 [ 43.860953] ? __handle_mm_fault+0x3980/0x3980 [ 43.860955] ? vmacache_find+0x61/0x270 [ 43.860958] ? vmacache_update+0xfe/0x130 [ 43.860961] ? find_vma+0x30/0x150 [ 43.860965] __do_page_fault+0x4f6/0xb60 [ 43.860968] ? fput+0xd2/0x140 [ 43.860973] trace_do_page_fault+0x141/0x730 [ 43.860977] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 43.860979] ? do_page_fault+0x70/0x70 [ 43.860985] ? syscall_return_slowpath+0x2b3/0x500 [ 43.860989] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 43.860991] ? SyS_write+0x184/0x220 [ 43.860994] ? prepare_exit_to_usermode+0x1a0/0x2c0 [ 43.860998] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.861008] do_async_page_fault+0x72/0xc0 [ 43.861012] async_page_fault+0x28/0x30 [ 43.861016] RIP: 0033:0xceb7c38dd0 [ 43.861018] RSP: 002b:00007fffbfd4f3b8 EFLAGS: 00010246 [ 43.861022] RAX: 0000000000000000 RBX: 000000ceb7eaeac0 RCX: 00007f427823fdd3 [ 43.861023] RDX: 00007fffbfd4f3c0 RSI: 00007fffbfd4f4f0 RDI: 0000000000000011 [ 43.861025] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 [ 43.861027] R10: 0000000000000000 R11: 0000000000000246 R12: 000000ceb90bcd30 [ 43.861028] R13: 000000ceb7eaea40 R14: 0000000000000002 R15: 000000ceb7ea8ca0 [ 43.861042] Mem-Info: [ 43.861048] active_anon:761 inactive_anon:42 isolated_anon:0 [ 43.861048] active_file:90 inactive_file:11 isolated_file:0 [ 43.861048] unevictable:0 dirty:48 writeback:0 unstable:0 [ 43.861048] slab_reclaimable:5244 slab_unreclaimable:24254 [ 43.861048] mapped:22 shmem:49 pagetables:302 bounce:0 [ 43.861048] free:13321 free_pcp:629 free_cma:0 [ 43.861053] Node 0 active_anon:1712kB inactive_anon:100kB active_file:252kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:124kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.861058] Node 1 active_anon:1332kB inactive_anon:68kB active_file:108kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:68kB writeback:0kB shmem:80kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 43.861058] Node 0 DMA free:3772kB min:640kB low:800kB high:960kB active_anon:4kB inactive_anon:0kB active_file:64kB inactive_file:16kB unevictable:0kB writepending:96kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.861064] lowmem_reserve[]: 0 884 884 884 [ 43.861068] Node 0 DMA32 free:32016kB min:36500kB low:45624kB high:54748kB active_anon:1856kB inactive_anon:100kB active_file:72kB inactive_file:96kB unevictable:0kB writepending:28kB present:1032192kB managed:907900kB mlocked:0kB kernel_stack:2752kB pagetables:596kB bounce:0kB free_pcp:1344kB local_pcp:168kB free_cma:0kB [ 43.861074] lowmem_reserve[]: 0 0 0 0 [ 43.861078] Node 1 DMA32 free:17496kB min:30440kB low:38048kB high:45656kB active_anon:1404kB inactive_anon:68kB active_file:400kB inactive_file:460kB unevictable:0kB writepending:68kB present:1048560kB managed:755224kB mlocked:0kB kernel_stack:1216kB pagetables:612kB bounce:0kB free_pcp:1172kB local_pcp:4kB free_cma:0kB [ 43.861084] lowmem_reserve[]: 0 0 0 0 [ 43.861087] Node 0 DMA: 2*4kB (UM) 1*8kB (U) 1*16kB (M) 1*32kB (U) 0*64kB 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 3776kB [ 43.861105] Node 0 DMA32: 333*4kB (UM) 253*8kB (UM) 185*16kB (UM) 128*32kB (UM) 53*64kB (UM) 33*128kB (UM) 6*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 3*4096kB (M) = 32364kB [ 43.861123] Node 1 DMA32: 243*4kB (UM) 173*8kB (UME) 103*16kB (UME) 70*32kB (UME) 39*64kB (ME) 12*128kB (UM) 5*256kB (ME) 2*512kB (M) 3*1024kB (ME) 1*2048kB (M) 0*4096kB = 17700kB [ 43.861143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.861144] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.861146] 166 total pagecache pages [ 43.861147] 0 pages in swap cache [ 43.861148] Swap cache stats: add 0, delete 0, find 0/0 [ 43.861149] Free swap = 0kB [ 43.861150] Total swap = 0kB [ 43.861151] 524186 pages RAM [ 43.861152] 0 pages HighMem/MovableOnly [ 43.861153] 104428 pages reserved [ 43.861154] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 43.861160] [ 1507] 0 1507 5348 137 16 3 0 -1000 udevd [ 43.861164] [ 2894] 0 2890 14298 0 24 3 0 0 rsyslogd [ 43.861167] [ 2927] 0 2927 4725 48 14 3 0 0 cron [ 43.861170] [ 2953] 0 2953 12490 152 27 3 0 -1000 sshd [ 43.861173] [ 2977] 0 2977 3694 41 13 3 0 0 getty [ 43.861177] [ 2978] 0 2978 3694 41 13 3 0 0 getty [ 43.861180] [ 2979] 0 2979 3694 39 13 3 0 0 getty [ 43.861183] [ 2980] 0 2980 3694 41 13 3 0 0 getty [ 43.861186] [ 2981] 0 2981 3694 39 12 3 0 0 getty [ 43.861189] [ 2982] 0 2982 3694 42 13 3 0 0 getty [ 43.861192] [ 2983] 0 2983 3649 40 12 3 0 0 getty [ 43.861195] [ 2984] 0 2984 5347 139 15 3 0 -1000 udevd [ 43.861199] [ 2985] 0 2985 5347 138 15 3 0 -1000 udevd [ 43.861203] [ 3017] 0 3017 5297 18 7 3 0 0 syz-executor0 [ 43.861206] [ 3538] 0 3536 9458 0 9 4 0 0 syz-executor0 [ 43.861208] Out of memory: Kill process 2927 (cron) score 0 or sacrifice child [ 43.861217] Killed process 2927 (cron) total-vm:18900kB, anon-rss:188kB, file-rss:4kB, shmem-rss:0kB [ 43.861297] oom_reaper: reaped process 2927 (cron), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.864439] sshd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 43.864442] sshd cpuset=/ mems_allowed=0-1 [ 43.864448] CPU: 1 PID: 2953 Comm: sshd Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.864449] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.864450] Call Trace: [ 43.864454] dump_stack+0x194/0x257 [ 43.864459] ? arch_local_irq_restore+0x53/0x53 [ 43.864465] dump_header+0x234/0xa0e [ 43.864468] ? check_same_owner+0x320/0x320 [ 43.864472] ? task_will_free_mem+0x252/0xaa0 [ 43.864475] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.864479] ? pagefault_out_of_memory+0x152/0x152 [ 43.864483] ? lock_acquire+0x1d5/0x580 [ 43.864486] ? ___ratelimit+0x30d/0x630 [ 43.864490] ? lock_downgrade+0x990/0x990 [ 43.864492] ? avc_has_perm_noaudit+0x37e/0x520 [ 43.864496] ? do_raw_spin_trylock+0x190/0x190 [ 43.864500] ? lock_acquire+0x1d5/0x580 [ 43.864504] ? lock_downgrade+0x990/0x990 [ 43.864508] ? trace_hardirqs_on+0xd/0x10 [ 43.864512] ? ___ratelimit+0x95/0x630 [ 43.864515] ? idr_get_free+0xff0/0xff0 [ 43.864519] ? cred_has_capability+0x1a0/0x3d0 [ 43.864524] oom_kill_process+0x86d/0x13d0 [ 43.864527] ? lock_downgrade+0x990/0x990 [ 43.864529] ? lock_release+0xa40/0xa40 [ 43.864533] ? lock_release+0xa40/0xa40 [ 43.864538] ? oom_evaluate_task+0x480/0x480 [ 43.864542] ? security_capable_noaudit+0x8b/0xc0 [ 43.864547] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 43.864550] ? has_capability+0x30/0x30 [ 43.864557] ? lock_acquire+0x1d5/0x580 [ 43.864559] ? lock_acquire+0x1d5/0x580 [ 43.864562] ? oom_unkillable_task+0x394/0x4c0 [ 43.864565] ? lock_downgrade+0x990/0x990 [ 43.864569] ? lock_release+0xa40/0xa40 [ 43.864578] ? oom_unkillable_task+0x33d/0x4c0 [ 43.864581] ? out_of_memory+0xaaa/0x11d0 [ 43.864584] ? lock_downgrade+0x990/0x990 [ 43.864588] ? lock_release+0xa40/0xa40 [ 43.864591] ? lock_acquire+0x1d5/0x580 [ 43.864594] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 43.864598] ? srcu_init_notifier_head+0x80/0x80 [ 43.864602] ? oom_evaluate_task+0x284/0x480 [ 43.864607] out_of_memory+0x7dd/0x11d0 [ 43.864612] ? oom_killer_disable+0x310/0x310 [ 43.864615] ? mutex_trylock+0x23a/0x2d0 [ 43.864619] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.864621] ? check_same_owner+0x320/0x320 [ 43.864624] ? _find_next_bit+0xee/0x120 [ 43.864630] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 43.864663] ? warn_alloc+0x2f0/0x2f0 [ 43.864666] ? fs_reclaim_acquire+0x20/0x20 [ 43.864669] ? lock_acquire+0x1d5/0x580 [ 43.864671] ? find_get_entry+0x513/0x9e0 [ 43.864674] ? lock_downgrade+0x990/0x990 [ 43.864680] ? radix_tree_lookup_slot+0x99/0xe0 [ 43.864683] ? __radix_tree_lookup+0x5e0/0x5e0 [ 43.864687] ? __might_sleep+0x95/0x190 [ 43.864691] ? find_get_entry+0x53c/0x9e0 [ 43.864694] ? lock_release+0xa40/0xa40 [ 43.864699] ? find_get_pages_tag+0xf40/0xf40 [ 43.864704] ? finish_task_switch+0x1d3/0x740 [ 43.864707] ? __radix_tree_lookup+0x435/0x5e0 [ 43.864715] ? lock_acquire+0x1d5/0x580 [ 43.864717] ? fs_reclaim_acquire+0x20/0x20 [ 43.864721] ? lock_downgrade+0x990/0x990 [ 43.864726] ? check_same_owner+0x320/0x320 [ 43.864732] ? __might_sleep+0x95/0x190 [ 43.864737] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.864742] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.864745] ? add_to_page_cache_lru+0x510/0x510 [ 43.864750] ? read_cache_pages+0x9a0/0x9a0 [ 43.864754] ? lock_acquire+0x1d5/0x580 [ 43.864756] ? is_bpf_text_address+0x7b/0x120 [ 43.864760] ? lock_downgrade+0x990/0x990 [ 43.864762] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 43.864771] alloc_pages_current+0xb6/0x1e0 [ 43.864774] ? lock_downgrade+0x990/0x990 [ 43.864778] __page_cache_alloc+0x358/0x4d0 [ 43.864781] ? unwind_get_return_address+0x61/0xa0 [ 43.864785] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 43.864789] ? lock_acquire+0x1d5/0x580 [ 43.864793] filemap_fault+0xf32/0x1d30 [ 43.864800] ? __lock_page_or_retry+0x4f0/0x4f0 [ 43.864803] ? lock_downgrade+0x990/0x990 [ 43.864808] ? filemap_map_pages+0x942/0x15d0 [ 43.864813] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.864817] ? find_get_entries_tag+0xeb0/0xeb0 [ 43.864819] ? prepare_to_wait+0x4d0/0x4d0 [ 43.864825] ? trace_hardirqs_off+0xd/0x10 [ 43.864828] ? quarantine_put+0xeb/0x190 [ 43.864833] ? trace_hardirqs_off+0xd/0x10 [ 43.864835] ? kmem_cache_free+0x21b/0x280 [ 43.864840] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.864843] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.864847] ? lock_acquire+0x1d5/0x580 [ 43.864850] ? lock_acquire+0x1d5/0x580 [ 43.864853] ? ext4_filemap_fault+0x7a/0xb0 [ 43.864855] ? get_signal+0xe71/0x17e0 [ 43.864860] ? lock_release+0xa40/0xa40 [ 43.864862] ? check_same_owner+0x320/0x320 [ 43.864878] ? do_raw_spin_trylock+0x190/0x190 [ 43.864882] ? rcu_note_context_switch+0x710/0x710 [ 43.864884] ? dput+0x1f/0x30 [ 43.864888] ? __might_sleep+0x95/0x190 [ 43.864892] ? down_read+0x96/0x150 [ 43.864894] ? ext4_filemap_fault+0x7a/0xb0 [ 43.864897] ? __down_interruptible+0x6a0/0x6a0 [ 43.864901] ? recalc_sigpending_tsk+0x117/0x150 [ 43.864904] ? recalc_sigpending+0x103/0x160 [ 43.864909] ext4_filemap_fault+0x82/0xb0 [ 43.864912] __do_fault+0xeb/0x30f [ 43.864915] ? lock_downgrade+0x990/0x990 [ 43.864918] ? pte_offset_kernel+0xc7/0xc7 [ 43.864921] ? do_raw_spin_trylock+0x190/0x190 [ 43.864925] ? lock_acquire+0x1d5/0x580 [ 43.864928] ? __might_fault+0x110/0x1d0 [ 43.864933] __handle_mm_fault+0x1bb7/0x3980 [ 43.864938] ? __pmd_alloc+0x4e0/0x4e0 [ 43.864940] ? signal_setup_done+0x1f5/0x300 [ 43.864943] ? set_current_blocked+0x40/0x40 [ 43.864946] ? __might_sleep+0x95/0x190 [ 43.864952] ? lock_acquire+0x1d5/0x580 [ 43.864955] ? handle_mm_fault+0x23e/0x940 [ 43.864971] ? lock_downgrade+0x990/0x990 [ 43.864979] ? poll_select_set_timeout+0x210/0x210 [ 43.864998] handle_mm_fault+0x3bb/0x940 [ 43.865000] ? down_read_trylock+0xdb/0x170 [ 43.865008] ? __handle_mm_fault+0x3980/0x3980 [ 43.865025] ? vmacache_find+0x61/0x270 [ 43.865029] ? vmacache_update+0xfe/0x130 [ 43.865035] ? find_vma+0x30/0x150 [ 43.865042] __do_page_fault+0x4f6/0xb60 [ 43.865045] ? fput+0xd2/0x140 [ 43.865055] trace_do_page_fault+0x141/0x730 [ 43.865060] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 43.865065] ? do_page_fault+0x70/0x70 [ 43.865074] ? syscall_return_slowpath+0x2b3/0x500 [ 43.865080] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 43.865085] ? SyS_write+0x184/0x220 [ 43.865090] ? prepare_exit_to_usermode+0x1a0/0x2c0 [ 43.865097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.865105] do_async_page_fault+0x72/0xc0 [ 43.865109] async_page_fault+0x28/0x30 [ 43.865113] RIP: 0033:0xceb7c38dd0 [ 43.865115] RSP: 002b:00007fffbfd4f3b8 EFLAGS: 00010246 [ 43.865120] RAX: 0000000000000000 RBX: 000000ceb7eaeac0 RCX: 00007f427823fdd3 [ 43.865122] RDX: 00007fffbfd4f3c0 RSI: 00007fffbfd4f4f0 RDI: 0000000000000011 [ 43.865125] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 [ 43.865127] R10: 0000000000000000 R11: 0000000000000246 R12: 000000ceb90bcd30 [ 43.865130] R13: 000000ceb7eaea40 R14: 0000000000000002 R15: 000000ceb7ea8ca0 [ 43.865153] Mem-Info: [ 43.865163] active_anon:711 inactive_anon:42 isolated_anon:0 [ 43.865163] active_file:90 inactive_file:11 isolated_file:0 [ 43.865163] unevictable:0 dirty:48 writeback:0 unstable:0 [ 43.865163] slab_reclaimable:5244 slab_unreclaimable:24254 [ 43.865163] mapped:22 shmem:49 pagetables:302 bounce:0 [ 43.865163] free:13321 free_pcp:698 free_cma:0 [ 43.865172] Node 0 active_anon:1512kB inactive_anon:100kB active_file:252kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:124kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.865181] Node 1 active_anon:1332kB inactive_anon:68kB active_file:108kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:68kB writeback:0kB shmem:80kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 43.865182] Node 0 DMA free:3772kB min:640kB low:800kB high:960kB active_anon:4kB inactive_anon:0kB active_file:88kB inactive_file:32kB unevictable:0kB writepending:96kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.865192] lowmem_reserve[]: 0 884 884 884 [ 43.865199] Node 0 DMA32 free:32016kB min:36500kB low:45624kB high:54748kB active_anon:1856kB inactive_anon:100kB active_file:72kB inactive_file:96kB unevictable:0kB writepending:28kB present:1032192kB managed:907900kB mlocked:0kB kernel_stack:2752kB pagetables:596kB bounce:0kB free_pcp:1620kB local_pcp:168kB free_cma:0kB [ 43.865210] lowmem_reserve[]: 0 0 0 0 [ 43.865217] Node 1 DMA32 free:17496kB min:30440kB low:38048kB high:45656kB active_anon:1404kB inactive_anon:68kB active_file:400kB inactive_file:460kB unevictable:0kB writepending:68kB present:1048560kB managed:755224kB mlocked:0kB kernel_stack:1216kB pagetables:612kB bounce:0kB free_pcp:1172kB local_pcp:4kB free_cma:0kB [ 43.865228] lowmem_reserve[]: 0 0 0 0 [ 43.865247] Node 0 DMA: 2*4kB (UM) 1*8kB (U) 1*16kB (M) 1*32kB (U) 0*64kB 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 3776kB [ 43.865277] Node 0 DMA32: 333*4kB (UM) 253*8kB (UM) 185*16kB (UM) 129*32kB (UM) 53*64kB (UM) 33*128kB (UM) 6*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 3*4096kB (M) = 32396kB [ 43.865308] Node 1 DMA32: 243*4kB (UM) 173*8kB (UME) 103*16kB (UME) 70*32kB (UME) 39*64kB (ME) 12*128kB (UM) 5*256kB (ME) 2*512kB (M) 3*1024kB (ME) 1*2048kB (M) 0*4096kB = 17700kB [ 43.865342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.865345] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.865347] 166 total pagecache pages [ 43.865349] 0 pages in swap cache [ 43.865351] Swap cache stats: add 0, delete 0, find 0/0 [ 43.865353] Free swap = 0kB [ 43.865354] Total swap = 0kB [ 43.865356] 524186 pages RAM [ 43.865357] 0 pages HighMem/MovableOnly [ 43.865358] 104428 pages reserved [ 43.865360] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 43.865369] [ 1507] 0 1507 5348 137 16 3 0 -1000 udevd [ 43.865376] [ 2894] 0 2890 14298 0 24 3 0 0 rsyslogd [ 43.865395] [ 2953] 0 2953 12490 152 27 3 0 -1000 sshd [ 43.865400] [ 2977] 0 2977 3694 41 13 3 0 0 getty [ 43.865406] [ 2978] 0 2978 3694 41 13 3 0 0 getty [ 43.865411] [ 2979] 0 2979 3694 39 13 3 0 0 getty [ 43.865417] [ 2980] 0 2980 3694 41 13 3 0 0 getty [ 43.865423] [ 2981] 0 2981 3694 39 12 3 0 0 getty [ 43.865428] [ 2982] 0 2982 3694 42 13 3 0 0 getty [ 43.865434] [ 2983] 0 2983 3649 40 12 3 0 0 getty [ 43.865439] [ 2984] 0 2984 5347 139 15 3 0 -1000 udevd [ 43.865445] [ 2985] 0 2985 5347 138 15 3 0 -1000 udevd [ 43.865452] [ 3017] 0 3017 5297 18 7 3 0 0 syz-executor0 [ 43.865458] [ 3538] 0 3536 9458 0 9 4 0 0 syz-executor0 [ 43.865461] Out of memory: Kill process 2982 (getty) score 0 or sacrifice child [ 43.865470] Killed process 2982 (getty) total-vm:14776kB, anon-rss:164kB, file-rss:4kB, shmem-rss:0kB [ 43.868659] sshd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 43.868662] sshd cpuset=/ mems_allowed=0-1 [ 43.868681] CPU: 1 PID: 2953 Comm: sshd Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.868682] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.868683] Call Trace: [ 43.868687] dump_stack+0x194/0x257 [ 43.868691] ? arch_local_irq_restore+0x53/0x53 [ 43.868698] dump_header+0x234/0xa0e [ 43.868701] ? check_same_owner+0x320/0x320 [ 43.868704] ? task_will_free_mem+0x252/0xaa0 [ 43.868707] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.868712] ? pagefault_out_of_memory+0x152/0x152 [ 43.868716] ? lock_acquire+0x1d5/0x580 [ 43.868719] ? ___ratelimit+0x30d/0x630 [ 43.868722] ? lock_downgrade+0x990/0x990 [ 43.868724] ? avc_has_perm_noaudit+0x37e/0x520 [ 43.868728] ? do_raw_spin_trylock+0x190/0x190 [ 43.868732] ? lock_acquire+0x1d5/0x580 [ 43.868737] ? lock_downgrade+0x990/0x990 [ 43.868741] ? trace_hardirqs_on+0xd/0x10 [ 43.868745] ? ___ratelimit+0x95/0x630 [ 43.868748] ? idr_get_free+0xff0/0xff0 [ 43.868752] ? cred_has_capability+0x1a0/0x3d0 [ 43.868757] oom_kill_process+0x86d/0x13d0 [ 43.868760] ? lock_downgrade+0x990/0x990 [ 43.868762] ? lock_release+0xa40/0xa40 [ 43.868766] ? lock_release+0xa40/0xa40 [ 43.868771] ? oom_evaluate_task+0x480/0x480 [ 43.868775] ? security_capable_noaudit+0x8b/0xc0 [ 43.868780] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 43.868783] ? has_capability+0x30/0x30 [ 43.868790] ? lock_acquire+0x1d5/0x580 [ 43.868792] ? lock_acquire+0x1d5/0x580 [ 43.868795] ? oom_unkillable_task+0x394/0x4c0 [ 43.868798] ? lock_downgrade+0x990/0x990 [ 43.868815] ? lock_release+0xa40/0xa40 [ 43.868824] ? oom_unkillable_task+0x33d/0x4c0 [ 43.868827] ? out_of_memory+0xaaa/0x11d0 [ 43.868831] ? lock_downgrade+0x990/0x990 [ 43.868835] ? lock_release+0xa40/0xa40 [ 43.868837] ? lock_acquire+0x1d5/0x580 [ 43.868840] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 43.868844] ? srcu_init_notifier_head+0x80/0x80 [ 43.868848] ? oom_evaluate_task+0x284/0x480 [ 43.868853] out_of_memory+0x7dd/0x11d0 [ 43.868859] ? oom_killer_disable+0x310/0x310 [ 43.868861] ? mutex_trylock+0x23a/0x2d0 [ 43.868865] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.868868] ? check_same_owner+0x320/0x320 [ 43.868870] ? _find_next_bit+0xee/0x120 [ 43.868876] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 43.868895] ? warn_alloc+0x2f0/0x2f0 [ 43.868899] ? fs_reclaim_acquire+0x20/0x20 [ 43.868901] ? lock_acquire+0x1d5/0x580 [ 43.868904] ? find_get_entry+0x513/0x9e0 [ 43.868907] ? lock_downgrade+0x990/0x990 [ 43.868913] ? radix_tree_lookup_slot+0x99/0xe0 [ 43.868916] ? __radix_tree_lookup+0x5e0/0x5e0 [ 43.868920] ? __might_sleep+0x95/0x190 [ 43.868924] ? find_get_entry+0x53c/0x9e0 [ 43.868927] ? lock_release+0xa40/0xa40 [ 43.868932] ? find_get_pages_tag+0xf40/0xf40 [ 43.868937] ? finish_task_switch+0x1d3/0x740 [ 43.868940] ? __radix_tree_lookup+0x435/0x5e0 [ 43.868948] ? lock_acquire+0x1d5/0x580 [ 43.868950] ? fs_reclaim_acquire+0x20/0x20 [ 43.868954] ? lock_downgrade+0x990/0x990 [ 43.868959] ? check_same_owner+0x320/0x320 [ 43.868965] ? __might_sleep+0x95/0x190 [ 43.868970] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.868988] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.868991] ? add_to_page_cache_lru+0x510/0x510 [ 43.868996] ? read_cache_pages+0x9a0/0x9a0 [ 43.869000] ? lock_acquire+0x1d5/0x580 [ 43.869006] ? is_bpf_text_address+0x7b/0x120 [ 43.869025] ? lock_downgrade+0x990/0x990 [ 43.869029] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 43.869042] alloc_pages_current+0xb6/0x1e0 [ 43.869045] ? lock_downgrade+0x990/0x990 [ 43.869049] __page_cache_alloc+0x358/0x4d0 [ 43.869052] ? unwind_get_return_address+0x61/0xa0 [ 43.869056] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 43.869060] ? lock_acquire+0x1d5/0x580 [ 43.869064] filemap_fault+0xf32/0x1d30 [ 43.869071] ? __lock_page_or_retry+0x4f0/0x4f0 [ 43.869074] ? lock_downgrade+0x990/0x990 [ 43.869092] ? filemap_map_pages+0x942/0x15d0 [ 43.869098] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.869101] ? find_get_entries_tag+0xeb0/0xeb0 [ 43.869104] ? prepare_to_wait+0x4d0/0x4d0 [ 43.869109] ? trace_hardirqs_off+0xd/0x10 [ 43.869112] ? quarantine_put+0xeb/0x190 [ 43.869117] ? trace_hardirqs_off+0xd/0x10 [ 43.869120] ? kmem_cache_free+0x21b/0x280 [ 43.869124] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.869127] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.869132] ? lock_acquire+0x1d5/0x580 [ 43.869134] ? lock_acquire+0x1d5/0x580 [ 43.869137] ? ext4_filemap_fault+0x7a/0xb0 [ 43.869140] ? get_signal+0xe71/0x17e0 [ 43.869144] ? lock_release+0xa40/0xa40 [ 43.869147] ? check_same_owner+0x320/0x320 [ 43.869149] ? do_raw_spin_trylock+0x190/0x190 [ 43.869153] ? rcu_note_context_switch+0x710/0x710 [ 43.869155] ? dput+0x1f/0x30 [ 43.869159] ? __might_sleep+0x95/0x190 [ 43.869163] ? down_read+0x96/0x150 [ 43.869165] ? ext4_filemap_fault+0x7a/0xb0 [ 43.869168] ? __down_interruptible+0x6a0/0x6a0 [ 43.869172] ? recalc_sigpending_tsk+0x117/0x150 [ 43.869175] ? recalc_sigpending+0x103/0x160 [ 43.869179] ext4_filemap_fault+0x82/0xb0 [ 43.869183] __do_fault+0xeb/0x30f [ 43.869185] ? lock_downgrade+0x990/0x990 [ 43.869189] ? pte_offset_kernel+0xc7/0xc7 [ 43.869192] ? do_raw_spin_trylock+0x190/0x190 [ 43.869196] ? lock_acquire+0x1d5/0x580 [ 43.869199] ? __might_fault+0x110/0x1d0 [ 43.869204] __handle_mm_fault+0x1bb7/0x3980 [ 43.869209] ? __pmd_alloc+0x4e0/0x4e0 [ 43.869211] ? signal_setup_done+0x1f5/0x300 [ 43.869214] ? set_current_blocked+0x40/0x40 [ 43.869217] ? __might_sleep+0x95/0x190 [ 43.869223] ? lock_acquire+0x1d5/0x580 [ 43.869226] ? handle_mm_fault+0x23e/0x940 [ 43.869229] ? lock_downgrade+0x990/0x990 [ 43.869237] ? poll_select_set_timeout+0x210/0x210 [ 43.869242] handle_mm_fault+0x3bb/0x940 [ 43.869244] ? down_read_trylock+0xdb/0x170 [ 43.869248] ? __handle_mm_fault+0x3980/0x3980 [ 43.869250] ? vmacache_find+0x61/0x270 [ 43.869253] ? vmacache_update+0xfe/0x130 [ 43.869256] ? find_vma+0x30/0x150 [ 43.869260] __do_page_fault+0x4f6/0xb60 [ 43.869262] ? fput+0xd2/0x140 [ 43.869268] trace_do_page_fault+0x141/0x730 [ 43.869271] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 43.869274] ? do_page_fault+0x70/0x70 [ 43.869280] ? syscall_return_slowpath+0x2b3/0x500 [ 43.869283] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 43.869286] ? SyS_write+0x184/0x220 [ 43.869289] ? prepare_exit_to_usermode+0x1a0/0x2c0 [ 43.869293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.869298] do_async_page_fault+0x72/0xc0 [ 43.869300] async_page_fault+0x28/0x30 [ 43.869302] RIP: 0033:0xceb7c38dd0 [ 43.869304] RSP: 002b:00007fffbfd4f3b8 EFLAGS: 00010246 [ 43.869307] RAX: 0000000000000000 RBX: 000000ceb7eaeac0 RCX: 00007f427823fdd3 [ 43.869308] RDX: 00007fffbfd4f3c0 RSI: 00007fffbfd4f4f0 RDI: 0000000000000011 [ 43.869310] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 [ 43.869311] R10: 0000000000000000 R11: 0000000000000246 R12: 000000ceb90bcd30 [ 43.869313] R13: 000000ceb7eaea40 R14: 0000000000000002 R15: 000000ceb7ea8ca0 [ 43.869328] Mem-Info: [ 43.869334] active_anon:686 inactive_anon:42 isolated_anon:0 [ 43.869334] active_file:65 inactive_file:11 isolated_file:0 [ 43.869334] unevictable:0 dirty:48 writeback:0 unstable:0 [ 43.869334] slab_reclaimable:5244 slab_unreclaimable:24254 [ 43.869334] mapped:22 shmem:49 pagetables:302 bounce:0 [ 43.869334] free:13321 free_pcp:699 free_cma:0 [ 43.869340] Node 0 active_anon:1512kB inactive_anon:100kB active_file:252kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:124kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.869344] Node 1 active_anon:1232kB inactive_anon:68kB active_file:8kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:68kB writeback:0kB shmem:80kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.869345] Node 0 DMA free:3772kB min:640kB low:800kB high:960kB active_anon:4kB inactive_anon:0kB active_file:80kB inactive_file:36kB unevictable:0kB writepending:96kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.869351] lowmem_reserve[]: 0 884 884 884 [ 43.869355] Node 0 DMA32 free:32016kB min:36500kB low:45624kB high:54748kB active_anon:1856kB inactive_anon:100kB active_file:72kB inactive_file:96kB unevictable:0kB writepending:28kB present:1032192kB managed:907900kB mlocked:0kB kernel_stack:2752kB pagetables:596kB bounce:0kB free_pcp:1620kB local_pcp:168kB free_cma:0kB [ 43.869361] lowmem_reserve[]: 0 0 0 0 [ 43.869365] Node 1 DMA32 free:17496kB min:30440kB low:38048kB high:45656kB active_anon:1404kB inactive_anon:68kB active_file:400kB inactive_file:460kB unevictable:0kB writepending:68kB present:1048560kB managed:755224kB mlocked:0kB kernel_stack:1216kB pagetables:612kB bounce:0kB free_pcp:1176kB local_pcp:4kB free_cma:0kB [ 43.869370] lowmem_reserve[]: 0 0 0 0 [ 43.869374] Node 0 DMA: 2*4kB (UM) 1*8kB (U) 1*16kB (M) 1*32kB (U) 0*64kB 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 3776kB [ 43.869391] Node 0 DMA32: 333*4kB (UM) 253*8kB (UM) 185*16kB (UM) 129*32kB (UM) 53*64kB (UM) 33*128kB (UM) 6*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 3*4096kB (M) = 32396kB [ 43.869409] Node 1 DMA32: 261*4kB (UM) 173*8kB (UME) 104*16kB (UME) 73*32kB (UME) 38*64kB (ME) 11*128kB (UM) 4*256kB (ME) 3*512kB (M) 3*1024kB (ME) 1*2048kB (M) 0*4096kB = 17948kB [ 43.869428] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.869430] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.869431] 166 total pagecache pages [ 43.869432] 0 pages in swap cache [ 43.869434] Swap cache stats: add 0, delete 0, find 0/0 [ 43.869448] Free swap = 0kB [ 43.869449] Total swap = 0kB [ 43.869450] 524186 pages RAM [ 43.869451] 0 pages HighMem/MovableOnly [ 43.869451] 104428 pages reserved [ 43.869452] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 43.869458] [ 1507] 0 1507 5348 137 16 3 0 -1000 udevd [ 43.869463] [ 2894] 0 2890 14298 0 24 3 0 0 rsyslogd [ 43.869466] [ 2953] 0 2953 12490 152 27 3 0 -1000 sshd [ 43.869469] [ 2977] 0 2977 3694 41 13 3 0 0 getty [ 43.869472] [ 2978] 0 2978 3694 41 13 3 0 0 getty [ 43.869476] [ 2979] 0 2979 3694 39 13 3 0 0 getty [ 43.869479] [ 2980] 0 2980 3694 41 13 3 0 0 getty [ 43.869482] [ 2981] 0 2981 3694 39 12 3 0 0 getty [ 43.869485] [ 2983] 0 2983 3649 40 12 3 0 0 getty [ 43.869489] [ 2984] 0 2984 5347 139 15 3 0 -1000 udevd [ 43.869492] [ 2985] 0 2985 5347 138 15 3 0 -1000 udevd [ 43.869496] [ 3017] 0 3017 5297 18 7 3 0 0 syz-executor0 [ 43.869499] [ 3538] 0 3536 9458 0 9 4 0 0 syz-executor0 [ 43.869501] Out of memory: Kill process 2977 (getty) score 0 or sacrifice child [ 43.869508] Killed process 2977 (getty) total-vm:14776kB, anon-rss:160kB, file-rss:4kB, shmem-rss:0kB [ 43.869618] oom_reaper: reaped process 2977 (getty), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.873489] sshd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 43.873493] sshd cpuset=/ mems_allowed=0-1 [ 43.873498] CPU: 1 PID: 2953 Comm: sshd Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.873499] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.873500] Call Trace: [ 43.873504] dump_stack+0x194/0x257 [ 43.873509] ? arch_local_irq_restore+0x53/0x53 [ 43.873529] dump_header+0x234/0xa0e [ 43.873531] ? check_same_owner+0x320/0x320 [ 43.873535] ? task_will_free_mem+0x252/0xaa0 [ 43.873538] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.873542] ? pagefault_out_of_memory+0x152/0x152 [ 43.873547] ? lock_acquire+0x1d5/0x580 [ 43.873549] ? ___ratelimit+0x30d/0x630 [ 43.873553] ? lock_downgrade+0x990/0x990 [ 43.873555] ? avc_has_perm_noaudit+0x37e/0x520 [ 43.873559] ? do_raw_spin_trylock+0x190/0x190 [ 43.873563] ? lock_acquire+0x1d5/0x580 [ 43.873567] ? lock_downgrade+0x990/0x990 [ 43.873572] ? trace_hardirqs_on+0xd/0x10 [ 43.873575] ? ___ratelimit+0x95/0x630 [ 43.873578] ? idr_get_free+0xff0/0xff0 [ 43.873582] ? cred_has_capability+0x1a0/0x3d0 [ 43.873587] oom_kill_process+0x86d/0x13d0 [ 43.873590] ? lock_downgrade+0x990/0x990 [ 43.873592] ? lock_release+0xa40/0xa40 [ 43.873596] ? lock_release+0xa40/0xa40 [ 43.873601] ? oom_evaluate_task+0x480/0x480 [ 43.873605] ? security_capable_noaudit+0x8b/0xc0 [ 43.873610] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 43.873613] ? has_capability+0x30/0x30 [ 43.873633] ? lock_acquire+0x1d5/0x580 [ 43.873635] ? lock_acquire+0x1d5/0x580 [ 43.873638] ? oom_unkillable_task+0x394/0x4c0 [ 43.873641] ? lock_downgrade+0x990/0x990 [ 43.873645] ? lock_release+0xa40/0xa40 [ 43.873654] ? oom_unkillable_task+0x33d/0x4c0 [ 43.873657] ? out_of_memory+0xaaa/0x11d0 [ 43.873661] ? lock_downgrade+0x990/0x990 [ 43.873665] ? lock_release+0xa40/0xa40 [ 43.873667] ? lock_acquire+0x1d5/0x580 [ 43.873670] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 43.873674] ? srcu_init_notifier_head+0x80/0x80 [ 43.873678] ? oom_evaluate_task+0x284/0x480 [ 43.873683] out_of_memory+0x7dd/0x11d0 [ 43.873689] ? oom_killer_disable+0x310/0x310 [ 43.873691] ? mutex_trylock+0x23a/0x2d0 [ 43.873695] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.873698] ? check_same_owner+0x320/0x320 [ 43.873701] ? _find_next_bit+0xee/0x120 [ 43.873720] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 43.873739] ? warn_alloc+0x2f0/0x2f0 [ 43.873742] ? fs_reclaim_acquire+0x20/0x20 [ 43.873745] ? lock_acquire+0x1d5/0x580 [ 43.873747] ? find_get_entry+0x513/0x9e0 [ 43.873750] ? lock_downgrade+0x990/0x990 [ 43.873756] ? radix_tree_lookup_slot+0x99/0xe0 [ 43.873759] ? __radix_tree_lookup+0x5e0/0x5e0 [ 43.873763] ? __might_sleep+0x95/0x190 [ 43.873767] ? find_get_entry+0x53c/0x9e0 [ 43.873770] ? lock_release+0xa40/0xa40 [ 43.873775] ? find_get_pages_tag+0xf40/0xf40 [ 43.873780] ? finish_task_switch+0x1d3/0x740 [ 43.873783] ? __radix_tree_lookup+0x435/0x5e0 [ 43.873791] ? lock_acquire+0x1d5/0x580 [ 43.873794] ? fs_reclaim_acquire+0x20/0x20 [ 43.873797] ? lock_downgrade+0x990/0x990 [ 43.873802] ? check_same_owner+0x320/0x320 [ 43.873808] ? __might_sleep+0x95/0x190 [ 43.873813] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.873818] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.873822] ? add_to_page_cache_lru+0x510/0x510 [ 43.873826] ? read_cache_pages+0x9a0/0x9a0 [ 43.873830] ? lock_acquire+0x1d5/0x580 [ 43.873833] ? is_bpf_text_address+0x7b/0x120 [ 43.873836] ? lock_downgrade+0x990/0x990 [ 43.873839] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 43.873847] alloc_pages_current+0xb6/0x1e0 [ 43.873850] ? lock_downgrade+0x990/0x990 [ 43.873854] __page_cache_alloc+0x358/0x4d0 [ 43.873857] ? unwind_get_return_address+0x61/0xa0 [ 43.873861] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 43.873865] ? lock_acquire+0x1d5/0x580 [ 43.873869] filemap_fault+0xf32/0x1d30 [ 43.873889] ? __lock_page_or_retry+0x4f0/0x4f0 [ 43.873892] ? lock_downgrade+0x990/0x990 [ 43.873897] ? filemap_map_pages+0x942/0x15d0 [ 43.873903] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.873906] ? find_get_entries_tag+0xeb0/0xeb0 [ 43.873909] ? prepare_to_wait+0x4d0/0x4d0 [ 43.873914] ? trace_hardirqs_off+0xd/0x10 [ 43.873917] ? quarantine_put+0xeb/0x190 [ 43.873922] ? trace_hardirqs_off+0xd/0x10 [ 43.873925] ? kmem_cache_free+0x21b/0x280 [ 43.873929] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.873932] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.873936] ? lock_acquire+0x1d5/0x580 [ 43.873939] ? lock_acquire+0x1d5/0x580 [ 43.873942] ? ext4_filemap_fault+0x7a/0xb0 [ 43.873944] ? get_signal+0xe71/0x17e0 [ 43.873949] ? lock_release+0xa40/0xa40 [ 43.873951] ? check_same_owner+0x320/0x320 [ 43.873954] ? do_raw_spin_trylock+0x190/0x190 [ 43.873957] ? rcu_note_context_switch+0x710/0x710 [ 43.873959] ? dput+0x1f/0x30 [ 43.873977] ? __might_sleep+0x95/0x190 [ 43.873981] ? down_read+0x96/0x150 [ 43.873983] ? ext4_filemap_fault+0x7a/0xb0 [ 43.873986] ? __down_interruptible+0x6a0/0x6a0 [ 43.873990] ? recalc_sigpending_tsk+0x117/0x150 [ 43.873993] ? recalc_sigpending+0x103/0x160 [ 43.874011] ext4_filemap_fault+0x82/0xb0 [ 43.874017] __do_fault+0xeb/0x30f [ 43.874021] ? lock_downgrade+0x990/0x990 [ 43.874026] ? pte_offset_kernel+0xc7/0xc7 [ 43.874028] ? do_raw_spin_trylock+0x190/0x190 [ 43.874046] ? lock_acquire+0x1d5/0x580 [ 43.874049] ? __might_fault+0x110/0x1d0 [ 43.874054] __handle_mm_fault+0x1bb7/0x3980 [ 43.874059] ? __pmd_alloc+0x4e0/0x4e0 [ 43.874061] ? signal_setup_done+0x1f5/0x300 [ 43.874064] ? set_current_blocked+0x40/0x40 [ 43.874067] ? __might_sleep+0x95/0x190 [ 43.874073] ? lock_acquire+0x1d5/0x580 [ 43.874075] ? handle_mm_fault+0x23e/0x940 [ 43.874079] ? lock_downgrade+0x990/0x990 [ 43.874086] ? poll_select_set_timeout+0x210/0x210 [ 43.874092] handle_mm_fault+0x3bb/0x940 [ 43.874094] ? down_read_trylock+0xdb/0x170 [ 43.874098] ? __handle_mm_fault+0x3980/0x3980 [ 43.874100] ? vmacache_find+0x61/0x270 [ 43.874103] ? vmacache_update+0xfe/0x130 [ 43.874106] ? find_vma+0x30/0x150 [ 43.874110] __do_page_fault+0x4f6/0xb60 [ 43.874112] ? fput+0xd2/0x140 [ 43.874118] trace_do_page_fault+0x141/0x730 [ 43.874121] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 43.874137] ? do_page_fault+0x70/0x70 [ 43.874143] ? syscall_return_slowpath+0x2b3/0x500 [ 43.874160] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 43.874162] ? SyS_write+0x184/0x220 [ 43.874165] ? prepare_exit_to_usermode+0x1a0/0x2c0 [ 43.874169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.874174] do_async_page_fault+0x72/0xc0 [ 43.874177] async_page_fault+0x28/0x30 [ 43.874179] RIP: 0033:0xceb7c38dd0 [ 43.874180] RSP: 002b:00007fffbfd4f3b8 EFLAGS: 00010246 [ 43.874183] RAX: 0000000000000000 RBX: 000000ceb7eaeac0 RCX: 00007f427823fdd3 [ 43.874185] RDX: 00007fffbfd4f3c0 RSI: 00007fffbfd4f4f0 RDI: 0000000000000011 [ 43.874186] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 [ 43.874188] R10: 0000000000000000 R11: 0000000000000246 R12: 000000ceb90bcd30 [ 43.874189] R13: 000000ceb7eaea40 R14: 0000000000000002 R15: 000000ceb7ea8ca0 [ 43.874203] Mem-Info: [ 43.874209] active_anon:661 inactive_anon:42 isolated_anon:0 [ 43.874209] active_file:63 inactive_file:6 isolated_file:0 [ 43.874209] unevictable:0 dirty:48 writeback:0 unstable:0 [ 43.874209] slab_reclaimable:5244 slab_unreclaimable:24254 [ 43.874209] mapped:22 shmem:49 pagetables:302 bounce:0 [ 43.874209] free:13447 free_pcp:699 free_cma:0 [ 43.874215] Node 0 active_anon:1412kB inactive_anon:100kB active_file:244kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:124kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.874219] Node 1 active_anon:1232kB inactive_anon:68kB active_file:8kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:68kB writeback:0kB shmem:80kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.874220] Node 0 DMA free:3772kB min:640kB low:800kB high:960kB active_anon:4kB inactive_anon:0kB active_file:124kB inactive_file:36kB unevictable:0kB writepending:96kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.874226] lowmem_reserve[]: 0 884 884 884 [ 43.874230] Node 0 DMA32 free:32520kB min:36500kB low:45624kB high:54748kB active_anon:1856kB inactive_anon:100kB active_file:72kB inactive_file:96kB unevictable:0kB writepending:28kB present:1032192kB managed:907900kB mlocked:0kB kernel_stack:2752kB pagetables:596kB bounce:0kB free_pcp:1612kB local_pcp:168kB free_cma:0kB [ 43.874236] lowmem_reserve[]: 0 0 0 0 [ 43.874240] Node 1 DMA32 free:17496kB min:30440kB low:38048kB high:45656kB active_anon:1404kB inactive_anon:68kB active_file:400kB inactive_file:460kB unevictable:0kB writepending:68kB present:1048560kB managed:755224kB mlocked:0kB kernel_stack:1216kB pagetables:612kB bounce:0kB free_pcp:1184kB local_pcp:4kB free_cma:0kB [ 43.874246] lowmem_reserve[]: 0 0 0 0 [ 43.874249] Node 0 DMA: 2*4kB (UM) 1*8kB (U) 1*16kB (M) 1*32kB (U) 0*64kB 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 3776kB [ 43.874266] Node 0 DMA32: 303*4kB (UM) 231*8kB (UM) 167*16kB (UM) 107*32kB (UM) 39*64kB (UM) 22*128kB (UM) 11*256kB (UM) 2*512kB (UM) 0*1024kB 1*2048kB (M) 3*4096kB (M) = 32644kB [ 43.874298] Node 1 DMA32: 261*4kB (UM) 173*8kB (UME) 104*16kB (UME) 73*32kB (UME) 38*64kB (ME) 11*128kB (UM) 4*256kB (ME) 3*512kB (M) 3*1024kB (ME) 1*2048kB (M) 0*4096kB = 17948kB [ 43.874331] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.874332] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.874333] 166 total pagecache pages [ 43.874335] 0 pages in swap cache [ 43.874336] Swap cache stats: add 0, delete 0, find 0/0 [ 43.874337] Free swap = 0kB [ 43.874338] Total swap = 0kB [ 43.874339] 524186 pages RAM [ 43.874340] 0 pages HighMem/MovableOnly [ 43.874341] 104428 pages reserved [ 43.874342] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 43.874348] [ 1507] 0 1507 5348 137 16 3 0 -1000 udevd [ 43.874352] [ 2894] 0 2890 14298 0 24 3 0 0 rsyslogd [ 43.874355] [ 2953] 0 2953 12490 152 27 3 0 -1000 sshd [ 43.874359] [ 2978] 0 2978 3694 41 13 3 0 0 getty [ 43.874362] [ 2979] 0 2979 3694 39 13 3 0 0 getty [ 43.874365] [ 2980] 0 2980 3694 41 13 3 0 0 getty [ 43.874368] [ 2981] 0 2981 3694 39 12 3 0 0 getty [ 43.874372] [ 2983] 0 2983 3649 40 12 3 0 0 getty [ 43.874375] [ 2984] 0 2984 5347 139 15 3 0 -1000 udevd [ 43.874378] [ 2985] 0 2985 5347 138 15 3 0 -1000 udevd [ 43.874382] [ 3017] 0 3017 5297 18 7 3 0 0 syz-executor0 [ 43.874385] [ 3538] 0 3536 9458 0 9 4 0 0 syz-executor0 [ 43.874387] Out of memory: Kill process 2978 (getty) score 0 or sacrifice child [ 43.874396] Killed process 2978 (getty) total-vm:14776kB, anon-rss:160kB, file-rss:4kB, shmem-rss:0kB [ 43.874482] oom_reaper: reaped process 2978 (getty), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.875389] Out of memory: Kill process 2980 (getty) score 0 or sacrifice child [ 43.875398] Killed process 2980 (getty) total-vm:14776kB, anon-rss:160kB, file-rss:4kB, shmem-rss:0kB [ 43.875486] oom_reaper: reaped process 2980 (getty), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.877427] Out of memory: Kill process 2979 (getty) score 0 or sacrifice child [ 43.877434] Killed process 2979 (getty) total-vm:14776kB, anon-rss:152kB, file-rss:4kB, shmem-rss:0kB [ 43.877504] oom_reaper: reaped process 2979 (getty), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.879411] Out of memory: Kill process 2983 (getty) score 0 or sacrifice child [ 43.879418] Killed process 2983 (getty) total-vm:14596kB, anon-rss:156kB, file-rss:4kB, shmem-rss:0kB [ 43.879521] oom_reaper: reaped process 2983 (getty), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.881403] Out of memory: Kill process 2981 (getty) score 0 or sacrifice child [ 43.881410] Killed process 2981 (getty) total-vm:14776kB, anon-rss:152kB, file-rss:4kB, shmem-rss:0kB [ 43.992094] oom_reaper: reaped process 3017 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.992431] init invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 43.992436] init cpuset=/ mems_allowed=0-1 [ 43.992445] CPU: 0 PID: 1 Comm: init Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.992447] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.992449] Call Trace: [ 43.992456] dump_stack+0x194/0x257 [ 43.992463] ? arch_local_irq_restore+0x53/0x53 [ 43.992470] ? task_will_free_mem+0xaa0/0xaa0 [ 43.992478] dump_header+0x234/0xa0e [ 43.992487] ? lock_acquire+0x1d5/0x580 [ 43.992492] ? pagefault_out_of_memory+0x152/0x152 [ 43.992497] ? lock_downgrade+0x990/0x990 [ 43.992503] ? lock_release+0xa40/0xa40 [ 43.992516] ? oom_unkillable_task+0x33d/0x4c0 [ 43.992519] ? out_of_memory+0xaaa/0x11d0 [ 43.992523] ? lock_downgrade+0x990/0x990 [ 43.992529] ? lock_release+0xa40/0xa40 [ 43.992532] ? lock_acquire+0x1d5/0x580 [ 43.992536] ? lock_acquire+0x1d5/0x580 [ 43.992541] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 43.992548] ? srcu_init_notifier_head+0x80/0x80 [ 43.992554] ? oom_evaluate_task+0x284/0x480 [ 43.992561] out_of_memory+0xbb5/0x11d0 [ 43.992567] ? schedule_timeout+0x160/0x250 [ 43.992575] ? oom_killer_disable+0x310/0x310 [ 43.992578] ? mutex_trylock+0x23a/0x2d0 [ 43.992585] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.992589] ? check_same_owner+0x320/0x320 [ 43.992593] ? _find_next_bit+0xee/0x120 [ 43.992603] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 43.992631] ? warn_alloc+0x2f0/0x2f0 [ 43.992637] ? fs_reclaim_acquire+0x20/0x20 [ 43.992641] ? lock_acquire+0x1d5/0x580 [ 43.992645] ? find_get_entry+0x513/0x9e0 [ 43.992650] ? lock_downgrade+0x990/0x990 [ 43.992659] ? radix_tree_lookup_slot+0x99/0xe0 [ 43.992664] ? __radix_tree_lookup+0x5e0/0x5e0 [ 43.992670] ? __might_sleep+0x95/0x190 [ 43.992677] ? find_get_entry+0x53c/0x9e0 [ 43.992681] ? lock_release+0xa40/0xa40 [ 43.992689] ? find_get_pages_tag+0xf40/0xf40 [ 43.992697] ? finish_task_switch+0x1d3/0x740 [ 43.992701] ? __radix_tree_lookup+0x435/0x5e0 [ 43.992705] ? lock_downgrade+0x990/0x990 [ 43.992717] ? lock_acquire+0x1d5/0x580 [ 43.992721] ? fs_reclaim_acquire+0x20/0x20 [ 43.992727] ? lock_downgrade+0x990/0x990 [ 43.992735] ? check_same_owner+0x320/0x320 [ 43.992745] ? __might_sleep+0x95/0x190 [ 43.992752] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.992758] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.992761] ? add_to_page_cache_lru+0x510/0x510 [ 43.992767] ? read_cache_pages+0x9a0/0x9a0 [ 43.992773] ? lock_acquire+0x1d5/0x580 [ 43.992777] ? is_bpf_text_address+0x7b/0x120 [ 43.992783] ? lock_downgrade+0x990/0x990 [ 43.992787] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 43.992792] ? lock_release+0xa40/0xa40 [ 43.992805] alloc_pages_current+0xb6/0x1e0 [ 43.992809] ? lock_downgrade+0x990/0x990 [ 43.992815] __page_cache_alloc+0x358/0x4d0 [ 43.992820] ? unwind_get_return_address+0x61/0xa0 [ 43.992826] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 43.992833] ? lock_acquire+0x1d5/0x580 [ 43.992840] filemap_fault+0xf32/0x1d30 [ 43.992851] ? __lock_page_or_retry+0x4f0/0x4f0 [ 43.992859] ? filemap_map_pages+0x942/0x15d0 [ 43.992868] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.992874] ? find_get_entries_tag+0xeb0/0xeb0 [ 43.992878] ? prepare_to_wait+0x4d0/0x4d0 [ 43.992886] ? trace_hardirqs_off+0xd/0x10 [ 43.992891] ? quarantine_put+0xeb/0x190 [ 43.992899] ? trace_hardirqs_off+0xd/0x10 [ 43.992903] ? kmem_cache_free+0x21b/0x280 [ 43.992910] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.992915] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.992922] ? lock_acquire+0x1d5/0x580 [ 43.992927] ? lock_acquire+0x1d5/0x580 [ 43.992931] ? ext4_filemap_fault+0x7a/0xb0 [ 43.992936] ? get_signal+0xe71/0x17e0 [ 43.992943] ? lock_release+0xa40/0xa40 [ 43.992947] ? check_same_owner+0x320/0x320 [ 43.992951] ? do_raw_spin_trylock+0x190/0x190 [ 43.992957] ? rcu_note_context_switch+0x710/0x710 [ 43.992964] ? __might_sleep+0x95/0x190 [ 43.992970] ? down_read+0x96/0x150 [ 43.992974] ? ext4_filemap_fault+0x7a/0xb0 [ 43.992979] ? __down_interruptible+0x6a0/0x6a0 [ 43.992984] ? recalc_sigpending_tsk+0x117/0x150 [ 43.992990] ? recalc_sigpending+0x103/0x160 [ 43.992997] ext4_filemap_fault+0x82/0xb0 [ 43.993005] __do_fault+0xeb/0x30f [ 43.993008] ? lock_downgrade+0x990/0x990 [ 43.993014] ? pte_offset_kernel+0xc7/0xc7 [ 43.993034] ? do_raw_spin_trylock+0x190/0x190 [ 43.993039] ? lock_acquire+0x1d5/0x580 [ 43.993057] ? __might_fault+0x110/0x1d0 [ 43.993062] __handle_mm_fault+0x1bb7/0x3980 [ 43.993068] ? __pmd_alloc+0x4e0/0x4e0 [ 43.993072] ? signal_setup_done+0x1f5/0x300 [ 43.993076] ? set_current_blocked+0x40/0x40 [ 43.993081] ? __might_sleep+0x95/0x190 [ 43.993090] ? lock_acquire+0x1d5/0x580 [ 43.993094] ? handle_mm_fault+0x23e/0x940 [ 43.993100] ? lock_downgrade+0x990/0x990 [ 43.993130] handle_mm_fault+0x3bb/0x940 [ 43.993134] ? down_read_trylock+0xdb/0x170 [ 43.993140] ? __handle_mm_fault+0x3980/0x3980 [ 43.993143] ? vmacache_find+0x61/0x270 [ 43.993147] ? vmacache_update+0xfe/0x130 [ 43.993152] ? find_vma+0x30/0x150 [ 43.993159] __do_page_fault+0x4f6/0xb60 [ 43.993168] trace_do_page_fault+0x141/0x730 [ 43.993173] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 43.993178] ? do_page_fault+0x70/0x70 [ 43.993182] ? kasan_check_write+0x14/0x20 [ 43.993190] ? syscall_return_slowpath+0x2b3/0x500 [ 43.993196] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 43.993202] ? debug_locks_off+0x86/0xa0 [ 43.993208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.993216] do_async_page_fault+0x72/0xc0 [ 43.993220] async_page_fault+0x28/0x30 [ 43.993224] RIP: 0033:0x402a80 [ 43.993226] RSP: 002b:00007ffdf1c029b8 EFLAGS: 00010246 [ 43.993230] RAX: 0000000000000000 RBX: 00007ffdf1c02fe0 RCX: 00007fe7aed39dd3 [ 43.993233] RDX: 00007ffdf1c029c0 RSI: 00007ffdf1c02af0 RDI: 0000000000000011 [ 43.993235] RBP: 00007ffdf1c03190 R08: 00007ffdf1c03210 R09: 0000000000000001 [ 43.993237] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 43.993240] R13: 00007ffdf1c03570 R14: 0000000000000000 R15: 0000000000000000 [ 43.993260] Mem-Info: [ 43.993271] active_anon:461 inactive_anon:42 isolated_anon:0 [ 43.993271] active_file:95 inactive_file:0 isolated_file:0 [ 43.993271] unevictable:0 dirty:48 writeback:0 unstable:0 [ 43.993271] slab_reclaimable:5244 slab_unreclaimable:24254 [ 43.993271] mapped:22 shmem:49 pagetables:302 bounce:0 [ 43.993271] free:13729 free_pcp:786 free_cma:0 [ 43.993279] Node 0 active_anon:812kB inactive_anon:100kB active_file:272kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:124kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.993287] Node 1 active_anon:1032kB inactive_anon:68kB active_file:108kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:68kB writeback:0kB shmem:80kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 43.993288] Node 0 DMA free:3772kB min:640kB low:800kB high:960kB active_anon:4kB inactive_anon:0kB active_file:92kB inactive_file:0kB unevictable:0kB writepending:96kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.993298] lowmem_reserve[]: 0 884 884 884 [ 43.993304] Node 0 DMA32 free:33044kB min:36500kB low:45624kB high:54748kB active_anon:1352kB inactive_anon:100kB active_file:72kB inactive_file:96kB unevictable:0kB writepending:28kB present:1032192kB managed:907900kB mlocked:0kB kernel_stack:2624kB pagetables:596kB bounce:0kB free_pcp:1800kB local_pcp:676kB free_cma:0kB [ 43.993314] lowmem_reserve[]: 0 0 0 0 [ 43.993320] Node 1 DMA32 free:18100kB min:30440kB low:38048kB high:45656kB active_anon:1072kB inactive_anon:68kB active_file:500kB inactive_file:228kB unevictable:0kB writepending:68kB present:1048560kB managed:755224kB mlocked:0kB kernel_stack:1216kB pagetables:612kB bounce:0kB free_pcp:1344kB local_pcp:592kB free_cma:0kB [ 43.993329] lowmem_reserve[]: 0 0 0 0 [ 43.993335] Node 0 DMA: 2*4kB (UM) 1*8kB (U) 1*16kB (M) 1*32kB (U) 0*64kB 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 3776kB [ 43.993361] Node 0 DMA32: 378*4kB (UM) 216*8kB (UME) 168*16kB (UME) 103*32kB (UME) 40*64kB (UM) 24*128kB (UM) 11*256kB (UM) 3*512kB (UM) 0*1024kB 1*2048kB (M) 3*4096kB (M) = 33544kB [ 43.993390] Node 1 DMA32: 261*4kB (UM) 160*8kB (UME) 102*16kB (UME) 71*32kB (UME) 43*64kB (ME) 10*128kB (UM) 5*256kB (ME) 3*512kB (M) 3*1024kB (ME) 1*2048kB (M) 0*4096kB = 18196kB [ 43.993418] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.993421] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.993423] 166 total pagecache pages [ 43.993425] 0 pages in swap cache [ 43.993427] Swap cache stats: add 0, delete 0, find 0/0 [ 43.993428] Free swap = 0kB [ 43.993430] Total swap = 0kB [ 43.993431] 524186 pages RAM [ 43.993432] 0 pages HighMem/MovableOnly [ 43.993434] 104428 pages reserved [ 43.993435] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 43.993444] [ 1507] 0 1507 5348 137 16 3 0 -1000 udevd [ 43.993452] [ 2953] 0 2953 12490 152 27 3 0 -1000 sshd [ 43.993461] [ 2984] 0 2984 5347 139 15 3 0 -1000 udevd [ 43.993466] [ 2985] 0 2985 5347 138 15 3 0 -1000 udevd [ 43.993473] [ 3017] 0 3017 5297 0 7 3 0 0 syz-executor0 [ 43.993479] [ 3538] 0 3536 9458 0 9 4 0 0 syz-executor0 [ 43.993482] Kernel panic - not syncing: Out of memory and no killable processes... [ 43.993482] [ 43.993485] CPU: 0 PID: 1 Comm: init Not tainted 4.13.0-rc5-next-20170816+ #4 [ 43.993487] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.993488] Call Trace: [ 43.993494] dump_stack+0x194/0x257 [ 43.993500] ? arch_local_irq_restore+0x53/0x53 [ 43.993506] ? out_of_memory+0xaaa/0x11d0 [ 43.993513] panic+0x1e4/0x417 [ 43.993518] ? __warn+0x1d9/0x1d9 [ 43.993522] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 43.993528] ? srcu_init_notifier_head+0x80/0x80 [ 43.993538] out_of_memory+0xbc6/0x11d0 [ 43.993544] ? schedule_timeout+0x160/0x250 [ 43.993551] ? oom_killer_disable+0x310/0x310 [ 43.993555] ? mutex_trylock+0x23a/0x2d0 [ 43.993562] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.993565] ? check_same_owner+0x320/0x320 [ 43.993570] ? _find_next_bit+0xee/0x120 [ 43.993579] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 43.993608] ? warn_alloc+0x2f0/0x2f0 [ 43.993613] ? fs_reclaim_acquire+0x20/0x20 [ 43.993618] ? lock_acquire+0x1d5/0x580 [ 43.993621] ? find_get_entry+0x513/0x9e0 [ 43.993627] ? lock_downgrade+0x990/0x990 [ 43.993635] ? radix_tree_lookup_slot+0x99/0xe0 [ 43.993640] ? __radix_tree_lookup+0x5e0/0x5e0 [ 43.993646] ? __might_sleep+0x95/0x190 [ 43.993653] ? find_get_entry+0x53c/0x9e0 [ 43.993657] ? lock_release+0xa40/0xa40 [ 43.993664] ? find_get_pages_tag+0xf40/0xf40 [ 43.993672] ? finish_task_switch+0x1d3/0x740 [ 43.993677] ? __radix_tree_lookup+0x435/0x5e0 [ 43.993681] ? lock_downgrade+0x990/0x990 [ 43.993693] ? lock_acquire+0x1d5/0x580 [ 43.993698] ? fs_reclaim_acquire+0x20/0x20 [ 43.993703] ? lock_downgrade+0x990/0x990 [ 43.993711] ? check_same_owner+0x320/0x320 [ 43.993721] ? __might_sleep+0x95/0x190 [ 43.993728] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.993736] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.993740] ? add_to_page_cache_lru+0x510/0x510 [ 43.993745] ? read_cache_pages+0x9a0/0x9a0 [ 43.993749] ? lock_acquire+0x1d5/0x580 [ 43.993754] ? is_bpf_text_address+0x7b/0x120 [ 43.993759] ? lock_downgrade+0x990/0x990 [ 43.993763] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 43.993769] ? lock_release+0xa40/0xa40 [ 43.993780] alloc_pages_current+0xb6/0x1e0 [ 43.993784] ? lock_downgrade+0x990/0x990 [ 43.993791] __page_cache_alloc+0x358/0x4d0 [ 43.993796] ? unwind_get_return_address+0x61/0xa0 [ 43.993802] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 43.993808] ? lock_acquire+0x1d5/0x580 [ 43.993814] filemap_fault+0xf32/0x1d30 [ 43.993825] ? __lock_page_or_retry+0x4f0/0x4f0 [ 43.993834] ? filemap_map_pages+0x942/0x15d0 [ 43.993842] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.993848] ? find_get_entries_tag+0xeb0/0xeb0 [ 43.993852] ? prepare_to_wait+0x4d0/0x4d0 [ 43.993861] ? trace_hardirqs_off+0xd/0x10 [ 43.993865] ? quarantine_put+0xeb/0x190 [ 43.993873] ? trace_hardirqs_off+0xd/0x10 [ 43.993877] ? kmem_cache_free+0x21b/0x280 [ 43.993884] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.993888] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.993895] ? lock_acquire+0x1d5/0x580 [ 43.993900] ? lock_acquire+0x1d5/0x580 [ 43.993904] ? ext4_filemap_fault+0x7a/0xb0 [ 43.993908] ? get_signal+0xe71/0x17e0 [ 43.993915] ? lock_release+0xa40/0xa40 [ 43.993919] ? check_same_owner+0x320/0x320 [ 43.993923] ? do_raw_spin_trylock+0x190/0x190 [ 43.993929] ? rcu_note_context_switch+0x710/0x710 [ 43.993936] ? __might_sleep+0x95/0x190 [ 43.993943] ? down_read+0x96/0x150 [ 43.993946] ? ext4_filemap_fault+0x7a/0xb0 [ 43.993951] ? __down_interruptible+0x6a0/0x6a0 [ 43.993956] ? recalc_sigpending_tsk+0x117/0x150 [ 43.993962] ? recalc_sigpending+0x103/0x160 [ 43.993967] ext4_filemap_fault+0x82/0xb0 [ 43.993973] __do_fault+0xeb/0x30f [ 43.993977] ? lock_downgrade+0x990/0x990 [ 43.993983] ? pte_offset_kernel+0xc7/0xc7 [ 43.993987] ? do_raw_spin_trylock+0x190/0x190 [ 43.993994] ? lock_acquire+0x1d5/0x580 [ 43.994004] ? __might_fault+0x110/0x1d0 [ 43.994026] __handle_mm_fault+0x1bb7/0x3980 [ 43.994033] ? __pmd_alloc+0x4e0/0x4e0 [ 43.994035] ? signal_setup_done+0x1f5/0x300 [ 43.994039] ? set_current_blocked+0x40/0x40 [ 43.994042] ? __might_sleep+0x95/0x190 [ 43.994048] ? lock_acquire+0x1d5/0x580 [ 43.994052] ? handle_mm_fault+0x23e/0x940 [ 43.994058] ? lock_downgrade+0x990/0x990 [ 43.994087] handle_mm_fault+0x3bb/0x940 [ 43.994091] ? down_read_trylock+0xdb/0x170 [ 43.994097] ? __handle_mm_fault+0x3980/0x3980 [ 43.994101] ? vmacache_find+0x61/0x270 [ 43.994105] ? vmacache_update+0xfe/0x130 [ 43.994110] ? find_vma+0x30/0x150 [ 43.994116] __do_page_fault+0x4f6/0xb60 [ 43.994126] trace_do_page_fault+0x141/0x730 [ 43.994131] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 43.994135] ? do_page_fault+0x70/0x70 [ 43.994139] ? kasan_check_write+0x14/0x20 [ 43.994148] ? syscall_return_slowpath+0x2b3/0x500 [ 43.994153] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 43.994159] ? debug_locks_off+0x86/0xa0 [ 43.994165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.994172] do_async_page_fault+0x72/0xc0 [ 43.994176] async_page_fault+0x28/0x30 [ 43.994179] RIP: 0033:0x402a80 [ 43.994181] RSP: 002b:00007ffdf1c029b8 EFLAGS: 00010246 [ 43.994185] RAX: 0000000000000000 RBX: 00007ffdf1c02fe0 RCX: 00007fe7aed39dd3 [ 43.994187] RDX: 00007ffdf1c029c0 RSI: 00007ffdf1c02af0 RDI: 0000000000000011 [ 43.994190] RBP: 00007ffdf1c03190 R08: 00007ffdf1c03210 R09: 0000000000000001 [ 43.994192] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 43.994195] R13: 00007ffdf1c03570 R14: 0000000000000000 R15: 0000000000000000 [ 43.994374] Dumping ftrace buffer: [ 43.994376] (ftrace buffer empty) [ 43.994377] Kernel Offset: disabled