INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.15.195' (ECDSA) to the list of known hosts. 2019/10/11 23:19:36 parsed 1 programs 2019/10/11 23:19:37 executed programs: 0 [ 649.370934] audit: type=1400 audit(1570835977.953:5): avc: denied { sys_admin } for pid=2171 comm="syz-executor.1" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 649.413855] audit: type=1400 audit(1570835977.993:6): avc: denied { net_admin } for pid=2176 comm="syz-executor.0" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 649.757307] audit: type=1400 audit(1570835978.343:7): avc: denied { sys_chroot } for pid=2176 comm="syz-executor.0" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 649.784648] audit: type=1400 audit(1570835978.373:8): avc: denied { associate } for pid=2176 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 651.328123] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 651.328123] to free 848kB on behalf of 'syz-executor.0' (2328) because [ 651.328123] cache 54288kB is below limit 65536kB for oom_score_adj 12 [ 651.328123] Free memory is -13292kB above reserved [ 651.355168] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 651.355168] to free 848kB on behalf of 'kswapd0' (33) because [ 651.355168] cache 53688kB is below limit 65536kB for oom_score_adj 12 [ 651.355168] Free memory is -12700kB above reserved [ 651.553307] oom_reaper: reaped process 2349 (syz-executor.2), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 651.568839] syz-executor.2: page allocation failure: order:0, mode:0x2284020(GFP_ATOMIC|__GFP_COMP|__GFP_NOTRACK) [ 651.568847] CPU: 0 PID: 2349 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 651.568861] ffff8801db6074a8 ffffffff81b42e79 1ffff1003b6c0e97 dffffc0000000000 [ 651.568870] ffffffff82a974e0 0000000000000000 0000000002284020 ffff8801db6075f0 [ 651.568880] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 651.568882] Call Trace: [ 651.568965] [ 651.568966] [] dump_stack+0xc1/0x128 [ 651.569006] [] warn_alloc.cold.31+0x7f/0x9c [ 651.569024] [] ? zone_watermark_ok_safe+0x250/0x250 [ 651.569035] [] ? vmalloc+0x5b/0x70 [ 651.569044] [] ? get_page_from_freelist+0x23e/0x1d80 [ 651.569052] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 651.569095] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 651.569103] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 651.569110] [] ? mempool_alloc+0x154/0x390 [ 651.569118] [] ? remove_element.isra.1+0x1b0/0x1b0 [ 651.569152] [] ? vring_map_one_sg+0xea/0x2a0 [ 651.569160] [] new_slab+0x367/0x3d0 [ 651.569168] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 651.569197] [] ? scsi_host_alloc_command.isra.2+0x7c/0x310 [ 651.569236] [] ? check_preemption_disabled+0x3b/0x200 [ 651.569243] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 651.569251] [] ? scsi_host_alloc_command.isra.2+0x7c/0x310 [ 651.569259] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 651.569266] [] ? scsi_host_alloc_command.isra.2+0x7c/0x310 [ 651.569273] [] kmem_cache_alloc+0x212/0x2b0 [ 651.569281] [] scsi_host_alloc_command.isra.2+0x7c/0x310 [ 651.569288] [] scsi_get_command+0x6f/0x6f0 [ 651.569295] [] ? check_preemption_disabled+0x3b/0x200 [ 651.569301] [] ? kobject_get+0x64/0xf0 [ 651.569326] [] scsi_prep_fn+0x3bd/0x500 [ 651.569334] [] ? scsi_prep_state_check.isra.4+0x140/0x140 [ 651.569383] [] blk_peek_request+0x491/0xb80 [ 651.569391] [] scsi_request_fn+0x91/0x1630 [ 651.569398] [] __blk_run_queue+0xd8/0x150 [ 651.569404] [] blk_run_queue+0x46/0x90 [ 651.569412] [] scsi_run_queue+0x872/0xef0 [ 651.569419] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 651.569425] [] ? kmem_cache_free+0x28f/0x310 [ 651.569431] [] ? scsi_kick_queue+0x70/0x70 [ 651.569437] [] ? scsi_put_command+0x251/0x4d0 [ 651.569442] [] ? memset+0x31/0x40 [ 651.569448] [] scsi_end_request+0x2a7/0x5c0 [ 651.569455] [] scsi_io_completion+0x273/0x17a0 [ 651.569460] [] ? scsi_unblock_requests+0x50/0x50 [ 651.569465] [] ? check_preemption_disabled+0x3b/0x200 [ 651.569470] [] ? scsi_handle_queue_ramp_up+0x32a/0x430 [ 651.569504] [] ? sd_completed_bytes+0x3f0/0x3f0 [ 651.569509] [] scsi_finish_command+0x3ba/0x530 [ 651.569514] [] scsi_softirq_done+0x250/0x360 [ 651.569525] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 651.569530] [] blk_done_softirq+0x27d/0x3e0 [ 651.569549] [] ? handle_edge_irq+0x331/0x900 [ 651.569554] [] ? trigger_softirq+0x210/0x210 [ 651.569601] [] __do_softirq+0x20e/0x964 [ 651.569606] [] ? check_preemption_disabled+0x3b/0x200 [ 651.569620] [] irq_exit+0x11c/0x150 [ 651.569624] [] do_IRQ+0x10d/0x1c0 [ 651.569629] [] common_interrupt+0x9d/0x9d [ 651.569635] [ 651.569636] [] ? __vmalloc_node_range+0x271/0x600 [ 651.569640] [] ? __vmalloc_node_range+0x278/0x600 [ 651.569644] [] ? __vmalloc_node_range+0x271/0x600 [ 651.569674] [] ? xt_alloc_table_info+0xc9/0x100 [ 651.569678] [] vmalloc+0x5b/0x70 [ 651.569683] [] ? xt_alloc_table_info+0xc9/0x100 [ 651.569687] [] xt_alloc_table_info+0xc9/0x100 [ 651.569708] [] compat_do_replace.isra.10+0x116/0x380 [ 651.569713] [] ? translate_compat_table+0x1790/0x1790 [ 651.569732] [] ? mutex_lock_nested+0x6b7/0x900 [ 651.569737] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 651.569774] [] ? __cap_capable+0x168/0x1c0 [ 651.569781] [] ? ns_capable_common+0x12a/0x150 [ 651.569786] [] compat_do_ipt_set_ctl+0x102/0x140 [ 651.569808] [] compat_nf_setsockopt+0x8b/0x130 [ 651.569814] [] ? compat_do_replace.isra.10+0x380/0x380 [ 651.569832] [] compat_ip_setsockopt+0x97/0xd0 [ 651.569855] [] compat_udp_setsockopt+0x4a/0x90 [ 651.569874] [] compat_sock_common_setsockopt+0xb4/0x150 [ 651.569879] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 651.569908] [] compat_SyS_setsockopt+0x169/0x550 [ 651.569912] [] ? sock_common_setsockopt+0xe0/0xe0 [ 651.569918] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 651.569950] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 651.569955] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 651.569965] [] ? do_fast_syscall_32+0xcf/0xa10 [ 651.569970] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 651.569975] [] do_fast_syscall_32+0x2f1/0xa10 [ 651.569981] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 651.569986] [] entry_SYSENTER_compat+0x90/0xa2 [ 651.569989] Mem-Info: [ 651.570001] active_anon:5519 inactive_anon:42 isolated_anon:0 [ 651.570001] active_file:25 inactive_file:29 isolated_file:0 [ 651.570001] unevictable:0 dirty:12 writeback:0 unstable:0 [ 651.570001] slab_reclaimable:4612 slab_unreclaimable:57497 [ 651.570001] mapped:20 shmem:48 pagetables:358 bounce:0 [ 651.570001] free:2971 free_pcp:83 free_cma:0 [ 651.570011] Node 0 active_anon:22076kB inactive_anon:168kB active_file:100kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:48kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 651.570023] DMA32 free:11796kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:148kB local_pcp:28kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 651.570040] Normal free:88kB min:5580kB low:9168kB high:12756kB active_anon:22076kB inactive_anon:168kB active_file:100kB inactive_file:116kB unevictable:0kB writepending:40kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18448kB slab_unreclaimable:229980kB kernel_stack:3872kB pagetables:1432kB bounce:0kB free_pcp:184kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 651.570076] DMA32: 3*4kB (UM) 3*8kB (M) 3*16kB (UM) 2*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (M) 2*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 1*4096kB (M) = 11796kB Normal: 1*4kB (H) 2*8kB (H) 2*16kB (H) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 52kB 135 total pagecache pages [ 651.570100] 0 pages in swap cache [ 651.570102] Swap cache stats: add 0, delete 0, find 0/0 [ 651.570104] Free swap = 0kB [ 651.570105] Total swap = 0kB [ 651.570107] 1965979 pages RAM [ 651.570108] 0 pages HighMem/MovableOnly [ 651.570109] 313617 pages reserved [ 651.570155] SLUB: Unable to allocate memory on node -1, gfp=0x2088020(GFP_ATOMIC|__GFP_ZERO) [ 651.570159] cache: virtio_scsi_cmd, object size: 624, buffer size: 768, default order: 2, min order: 0 [ 651.570183] node 0: slabs: 48, objs: 1008, free: 0 [ 651.588731] syz-executor.2: vmalloc: allocation failure, allocated 502013952 of 3406176256 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 651.588738] CPU: 0 PID: 2349 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 651.588751] ffff880184e5f900 ffffffff81b42e79 1ffff100309cbf22 dffffc0000000000 [ 651.588760] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff880184e5fa48 [ 651.588769] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 651.588771] Call Trace: [ 651.588785] [] dump_stack+0xc1/0x128 [ 651.588795] [] warn_alloc.cold.31+0x7f/0x9c [ 651.588803] [] ? zone_watermark_ok_safe+0x250/0x250 [ 651.588811] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 651.588820] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 651.588828] [] ? retint_kernel+0x2d/0x2d [ 651.588836] [] __vmalloc_node_range+0x3f8/0x600 [ 651.588844] [] ? xt_alloc_table_info+0xc9/0x100 [ 651.588850] [] vmalloc+0x5b/0x70 [ 651.588856] [] ? xt_alloc_table_info+0xc9/0x100 [ 651.588862] [] xt_alloc_table_info+0xc9/0x100 [ 651.588870] [] compat_do_replace.isra.10+0x116/0x380 [ 651.588878] [] ? translate_compat_table+0x1790/0x1790 [ 651.588885] [] ? mutex_lock_nested+0x6b7/0x900 [ 651.588891] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 651.588900] [] ? __cap_capable+0x168/0x1c0 [ 651.588908] [] ? ns_capable_common+0x12a/0x150 [ 651.588915] [] compat_do_ipt_set_ctl+0x102/0x140 [ 651.588923] [] compat_nf_setsockopt+0x8b/0x130 [ 651.588930] [] ? compat_do_replace.isra.10+0x380/0x380 [ 651.588938] [] compat_ip_setsockopt+0x97/0xd0 [ 651.588945] [] compat_udp_setsockopt+0x4a/0x90 [ 651.588953] [] compat_sock_common_setsockopt+0xb4/0x150 [ 651.588960] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 651.588967] [] compat_SyS_setsockopt+0x169/0x550 [ 651.588974] [] ? sock_common_setsockopt+0xe0/0xe0 [ 651.588981] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 651.588989] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 651.588996] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 651.589003] [] ? do_fast_syscall_32+0xcf/0xa10 [ 651.589010] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 651.589016] [] do_fast_syscall_32+0x2f1/0xa10 [ 651.589023] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 651.589030] [] entry_SYSENTER_compat+0x90/0xa2 [ 651.589033] Mem-Info: [ 651.589049] active_anon:5519 inactive_anon:42 isolated_anon:0 [ 651.589049] active_file:25 inactive_file:29 isolated_file:0 [ 651.589049] unevictable:0 dirty:12 writeback:0 unstable:0 [ 651.589049] slab_reclaimable:4612 slab_unreclaimable:57497 [ 651.589049] mapped:20 shmem:48 pagetables:358 bounce:0 [ 651.589049] free:23 free_pcp:0 free_cma:0 [ 651.589060] Node 0 active_anon:22076kB inactive_anon:168kB active_file:100kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:48kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 651.589076] DMA32 free:64kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 651.589099] Normal free:28kB min:5580kB low:9168kB high:12756kB active_anon:22076kB inactive_anon:168kB active_file:100kB inactive_file:116kB unevictable:0kB writepending:40kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18448kB slab_unreclaimable:229980kB kernel_stack:3872kB pagetables:1432kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 651.589130] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 1*4kB (H) 2*8kB (H) 2*16kB (H) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 52kB 135 total pagecache pages [ 651.589164] 0 pages in swap cache [ 651.589167] Swap cache stats: add 0, delete 0, find 0/0 [ 651.589169] Free swap = 0kB [ 651.589171] Total swap = 0kB [ 651.589173] 1965979 pages RAM [ 651.589175] 0 pages HighMem/MovableOnly [ 651.589177] 313617 pages reserved [ 652.519506] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 652.519506] to free 140kB on behalf of 'syz-executor.1' (2323) because [ 652.519506] cache 192kB is below limit 6144kB for oom_score_adj 0 [ 652.519506] Free memory is -37392kB above reserved [ 653.526548] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 653.526548] to free 140kB on behalf of 'syz-executor.1' (2323) because [ 653.526548] cache 176kB is below limit 6144kB for oom_score_adj 0 [ 653.526548] Free memory is -37376kB above reserved [ 653.636610] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 653.636706] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 653.716498] syz-executor.1: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 653.716507] CPU: 1 PID: 2182 Comm: syz-executor.1 Not tainted 4.9.141+ #23 [ 653.716520] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb ffff8801ca830000 [ 653.716527] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 653.716534] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 653.716536] Call Trace: [ 653.716551] [ 653.716551] [] dump_stack+0xc1/0x128 [ 653.716560] [] warn_alloc.cold.31+0x7f/0x9c [ 653.716568] [] ? zone_watermark_ok_safe+0x250/0x250 [ 653.716576] [] ? get_page_from_freelist+0x23e/0x1d80 [ 653.716583] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 653.716591] [] ? __lock_acquire+0x654/0x4a10 [ 653.716599] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 653.716605] [] ? trace_hardirqs_on+0x10/0x10 [ 653.716613] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 653.716621] [] ? _find_next_bit.part.0+0xe0/0x120 [ 653.716630] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 653.716637] [] new_slab+0x367/0x3d0 [ 653.716644] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 653.716691] [] ? __alloc_skb+0xe6/0x5b0 [ 653.716695] [] ? trace_hardirqs_on+0x10/0x10 [ 653.716702] [] ? check_preemption_disabled+0x3b/0x200 [ 653.716707] [] ? __alloc_skb+0xe6/0x5b0 [ 653.716712] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 653.716717] [] ? __alloc_skb+0xe6/0x5b0 [ 653.716722] [] kmem_cache_alloc+0x212/0x2b0 [ 653.716727] [] ? mark_held_locks+0xc7/0x130 [ 653.716731] [] __alloc_skb+0xe6/0x5b0 [ 653.716737] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 653.716780] [] ? ipv6_get_ifaddr+0x300/0x510 [ 653.716785] [] ? trace_hardirqs_on+0xd/0x10 [ 653.716791] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 653.716822] [] ndisc_alloc_skb+0x144/0x330 [ 653.716828] [] ndisc_send_rs+0x2ff/0x670 [ 653.716832] [] ? __ipv6_get_lladdr+0x250/0x250 [ 653.716836] [] addrconf_rs_timer+0x27e/0x5a0 [ 653.716840] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.716861] [] call_timer_fn+0x163/0x6e0 [ 653.716865] [] ? call_timer_fn+0xda/0x6e0 [ 653.716869] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.716874] [] ? process_timeout+0x20/0x20 [ 653.716878] [] ? mark_held_locks+0xc7/0x130 [ 653.716884] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 653.716888] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.716892] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 653.716897] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.716901] [] expire_timers+0x234/0x580 [ 653.716905] [] ? collect_expired_timers+0x1d5/0x2b0 [ 653.716910] [] run_timer_softirq+0x208/0x5e0 [ 653.716914] [] ? expire_timers+0x580/0x580 [ 653.716919] [] ? check_preemption_disabled+0x3b/0x200 [ 653.716925] [] __do_softirq+0x20e/0x964 [ 653.716930] [] ? check_preemption_disabled+0x3b/0x200 [ 653.716935] [] irq_exit+0x11c/0x150 [ 653.716940] [] smp_apic_timer_interrupt+0x81/0xb0 [ 653.716944] [] apic_timer_interrupt+0x9d/0xb0 [ 653.716951] [ 653.716951] [] ? lock_release+0x557/0xc20 [ 653.716956] [] ? find_lock_task_mm+0xf1/0x270 [ 653.716961] [] ? find_lock_task_mm+0xf1/0x270 [ 653.716966] [] find_lock_task_mm+0x15b/0x270 [ 653.716971] [] ? wake_oom_reaper+0xf0/0xf0 [ 653.716996] [] lowmem_scan+0x34f/0xaf0 [ 653.717000] [] ? lowmem_scan+0x24e/0xaf0 [ 653.717010] [] ? check_preemption_disabled+0x3b/0x200 [ 653.717029] [] shrink_slab.part.8+0x3c6/0xa00 [ 653.717034] [] ? unregister_shrinker+0x230/0x230 [ 653.717040] [] shrink_node+0x1ed/0x740 [ 653.717045] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 653.717063] [] ? __delayacct_freepages_start+0x41/0x80 [ 653.717069] [] try_to_free_pages+0x377/0xb80 [ 653.717073] [] ? shrink_node+0x740/0x740 [ 653.717079] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 653.717084] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 653.717089] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 653.717094] [] ? check_preemption_disabled+0x3b/0x200 [ 653.717099] [] ? find_get_entry+0x11a/0x570 [ 653.717104] [] ? find_get_entry+0x141/0x570 [ 653.717109] [] ? page_cache_prev_hole+0x80/0x80 [ 653.717113] [] ? pagecache_get_page+0x131/0x710 [ 653.717118] [] filemap_fault+0xaf1/0x1110 [ 653.717142] [] ext4_filemap_fault+0x71/0xa0 [ 653.717160] [] __do_fault+0x223/0x500 [ 653.717164] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 653.717169] [] ? handle_mm_fault+0x1d4f/0x2350 [ 653.717174] [] handle_mm_fault+0x1326/0x2350 [ 653.717179] [] ? vm_insert_page+0x6f0/0x6f0 [ 653.717183] [] ? __might_fault+0x92/0x1d0 [ 653.717203] [] __do_page_fault+0x403/0xa60 [ 653.717211] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 653.717215] [] ? bad_area_access_error+0x3a0/0x3a0 [ 653.717222] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 653.717227] [] do_page_fault+0x27/0x30 [ 653.717231] [] page_fault+0x25/0x30 [ 653.717234] Mem-Info: [ 653.717246] active_anon:5503 inactive_anon:42 isolated_anon:0 [ 653.717246] active_file:17 inactive_file:27 isolated_file:0 [ 653.717246] unevictable:0 dirty:2 writeback:0 unstable:0 [ 653.717246] slab_reclaimable:4616 slab_unreclaimable:57492 [ 653.717246] mapped:13 shmem:48 pagetables:358 bounce:0 [ 653.717246] free:557 free_pcp:331 free_cma:0 [ 653.717256] Node 0 active_anon:22012kB inactive_anon:168kB active_file:68kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 653.717267] DMA32 free:2100kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:640kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 653.717285] Normal free:128kB min:5580kB low:9168kB high:12756kB active_anon:22012kB inactive_anon:168kB active_file:68kB inactive_file:108kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:229960kB kernel_stack:3872kB pagetables:1432kB bounce:0kB free_pcp:684kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 653.717314] DMA32: 19*4kB (U) 16*8kB (U) 17*16kB (U) 19*32kB (U) 16*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2108kB Normal: 2*4kB (H) 2*8kB (H) 2*16kB (H) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 56kB 92 total pagecache pages [ 653.717338] 0 pages in swap cache [ 653.717341] Swap cache stats: add 0, delete 0, find 0/0 [ 653.717342] Free swap = 0kB [ 653.717344] Total swap = 0kB [ 653.717345] 1965979 pages RAM [ 653.717346] 0 pages HighMem/MovableOnly [ 653.717348] 313617 pages reserved [ 653.717353] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 653.717357] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 653.717364] node 0: slabs: 596, objs: 7152, free: 0 [ 653.717368] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 653.717388] syz-executor.1: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 653.717393] CPU: 1 PID: 2182 Comm: syz-executor.1 Not tainted 4.9.141+ #23 [ 653.717400] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb ffff8801ca830000 [ 653.717407] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 653.717413] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 653.717415] Call Trace: [ 653.717421] [ 653.717422] [] dump_stack+0xc1/0x128 [ 653.717427] [] warn_alloc.cold.31+0x7f/0x9c [ 653.717432] [] ? zone_watermark_ok_safe+0x250/0x250 [ 653.717437] [] ? get_page_from_freelist+0x23e/0x1d80 [ 653.717443] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 653.717464] [] ? kvm_sched_clock_read+0x9/0x20 [ 653.717474] [] ? sched_clock+0x9/0x10 [ 653.717480] [] ? down_trylock+0x50/0x70 [ 653.717485] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 653.717491] [] ? vprintk_emit+0x272/0x790 [ 653.717496] [] ? trace_hardirqs_on+0x10/0x10 [ 653.717502] [] new_slab+0x367/0x3d0 [ 653.717508] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 653.717513] [] ? __alloc_skb+0xe6/0x5b0 [ 653.717518] [] ? trace_hardirqs_on+0x10/0x10 [ 653.717523] [] ? debug_object_activate+0x32d/0x4e0 [ 653.717528] [] ? check_preemption_disabled+0x3b/0x200 [ 653.717533] [] ? __alloc_skb+0xe6/0x5b0 [ 653.717538] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 653.717543] [] ? __alloc_skb+0xe6/0x5b0 [ 653.717548] [] kmem_cache_alloc+0x212/0x2b0 [ 653.717553] [] ? mark_held_locks+0xc7/0x130 [ 653.717558] [] __alloc_skb+0xe6/0x5b0 [ 653.717563] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 653.717567] [] ? ipv6_get_ifaddr+0x300/0x510 [ 653.717571] [] ? trace_hardirqs_on+0xd/0x10 [ 653.717576] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 653.717581] [] ndisc_alloc_skb+0x144/0x330 [ 653.717586] [] ndisc_send_rs+0x2ff/0x670 [ 653.717590] [] ? __ipv6_get_lladdr+0x250/0x250 [ 653.717595] [] addrconf_rs_timer+0x27e/0x5a0 [ 653.717599] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.717604] [] call_timer_fn+0x163/0x6e0 [ 653.717608] [] ? call_timer_fn+0xda/0x6e0 [ 653.717612] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.717616] [] ? process_timeout+0x20/0x20 [ 653.717621] [] ? mark_held_locks+0xc7/0x130 [ 653.717625] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 653.717629] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.717634] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 653.717638] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.717642] [] expire_timers+0x234/0x580 [ 653.717647] [] ? collect_expired_timers+0x1d5/0x2b0 [ 653.717651] [] run_timer_softirq+0x208/0x5e0 [ 653.717656] [] ? expire_timers+0x580/0x580 [ 653.717661] [] ? check_preemption_disabled+0x3b/0x200 [ 653.717666] [] __do_softirq+0x20e/0x964 [ 653.717671] [] ? check_preemption_disabled+0x3b/0x200 [ 653.717675] [] irq_exit+0x11c/0x150 [ 653.717680] [] smp_apic_timer_interrupt+0x81/0xb0 [ 653.717685] [] apic_timer_interrupt+0x9d/0xb0 [ 653.717691] [ 653.717691] [] ? lock_release+0x557/0xc20 [ 653.717696] [] ? find_lock_task_mm+0xf1/0x270 [ 653.717701] [] ? find_lock_task_mm+0xf1/0x270 [ 653.717706] [] find_lock_task_mm+0x15b/0x270 [ 653.717711] [] ? wake_oom_reaper+0xf0/0xf0 [ 653.717715] [] lowmem_scan+0x34f/0xaf0 [ 653.717719] [] ? lowmem_scan+0x24e/0xaf0 [ 653.717724] [] ? check_preemption_disabled+0x3b/0x200 [ 653.717729] [] shrink_slab.part.8+0x3c6/0xa00 [ 653.717734] [] ? unregister_shrinker+0x230/0x230 [ 653.717739] [] shrink_node+0x1ed/0x740 [ 653.717744] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 653.717750] [] ? __delayacct_freepages_start+0x41/0x80 [ 653.717755] [] try_to_free_pages+0x377/0xb80 [ 653.717760] [] ? shrink_node+0x740/0x740 [ 653.717765] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 653.717770] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 653.717776] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 653.717781] [] ? check_preemption_disabled+0x3b/0x200 [ 653.717785] [] ? find_get_entry+0x11a/0x570 [ 653.717790] [] ? find_get_entry+0x141/0x570 [ 653.717795] [] ? page_cache_prev_hole+0x80/0x80 [ 653.717799] [] ? pagecache_get_page+0x131/0x710 [ 653.717804] [] filemap_fault+0xaf1/0x1110 [ 653.717809] [] ext4_filemap_fault+0x71/0xa0 [ 653.717813] [] __do_fault+0x223/0x500 [ 653.717818] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 653.717822] [] ? handle_mm_fault+0x1d4f/0x2350 [ 653.717827] [] handle_mm_fault+0x1326/0x2350 [ 653.717832] [] ? vm_insert_page+0x6f0/0x6f0 [ 653.717836] [] ? __might_fault+0x92/0x1d0 [ 653.717841] [] __do_page_fault+0x403/0xa60 [ 653.717846] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 653.717851] [] ? bad_area_access_error+0x3a0/0x3a0 [ 653.717857] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 653.717861] [] do_page_fault+0x27/0x30 [ 653.717866] [] page_fault+0x25/0x30 [ 653.717867] Mem-Info: [ 653.717877] active_anon:5503 inactive_anon:42 isolated_anon:0 [ 653.717877] active_file:17 inactive_file:27 isolated_file:0 [ 653.717877] unevictable:0 dirty:2 writeback:0 unstable:0 [ 653.717877] slab_reclaimable:4616 slab_unreclaimable:57492 [ 653.717877] mapped:13 shmem:48 pagetables:358 bounce:0 [ 653.717877] free:557 free_pcp:331 free_cma:0 [ 653.717886] Node 0 active_anon:22012kB inactive_anon:168kB active_file:68kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 653.717897] DMA32 free:2100kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:640kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 653.717913] Normal free:128kB min:5580kB low:9168kB high:12756kB active_anon:22012kB inactive_anon:168kB active_file:68kB inactive_file:108kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:229960kB kernel_stack:3872kB pagetables:1432kB bounce:0kB free_pcp:684kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 653.717940] DMA32: 19*4kB (U) 16*8kB (U) 17*16kB (U) 19*32kB (U) 16*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2108kB Normal: 2*4kB (H) 2*8kB (H) 2*16kB (H) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 56kB 92 total pagecache pages [ 653.717963] 0 pages in swap cache [ 653.717966] Swap cache stats: add 0, delete 0, find 0/0 [ 653.717967] Free swap = 0kB [ 653.717968] Total swap = 0kB [ 653.717970] 1965979 pages RAM [ 653.717971] 0 pages HighMem/MovableOnly [ 653.717972] 313617 pages reserved [ 653.717976] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 653.717979] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 653.717982] node 0: slabs: 596, objs: 7152, free: 0 [ 653.717985] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 653.718000] syz-executor.1: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 653.718008] CPU: 1 PID: 2182 Comm: syz-executor.1 Not tainted 4.9.141+ #23 [ 653.718016] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb ffff8801ca830000 [ 653.718022] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 653.718028] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 653.718029] Call Trace: [ 653.718036] [ 653.718036] [] dump_stack+0xc1/0x128 [ 653.718041] [] warn_alloc.cold.31+0x7f/0x9c [ 653.718046] [] ? zone_watermark_ok_safe+0x250/0x250 [ 653.718051] [] ? get_page_from_freelist+0x23e/0x1d80 [ 653.718057] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 653.718062] [] ? kvm_sched_clock_read+0x9/0x20 [ 653.718066] [] ? sched_clock+0x9/0x10 [ 653.718071] [] ? down_trylock+0x50/0x70 [ 653.718077] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 653.718082] [] ? vprintk_emit+0x272/0x790 [ 653.718087] [] ? trace_hardirqs_on+0x10/0x10 [ 653.718092] [] new_slab+0x367/0x3d0 [ 653.718097] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 653.718102] [] ? __alloc_skb+0xe6/0x5b0 [ 653.718107] [] ? trace_hardirqs_on+0x10/0x10 [ 653.718111] [] ? debug_object_activate+0x32d/0x4e0 [ 653.718116] [] ? check_preemption_disabled+0x3b/0x200 [ 653.718121] [] ? __alloc_skb+0xe6/0x5b0 [ 653.718127] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 653.718132] [] ? __alloc_skb+0xe6/0x5b0 [ 653.718137] [] kmem_cache_alloc+0x212/0x2b0 [ 653.718141] [] ? mark_held_locks+0xc7/0x130 [ 653.718146] [] __alloc_skb+0xe6/0x5b0 [ 653.718151] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 653.718155] [] ? ipv6_get_ifaddr+0x300/0x510 [ 653.718160] [] ? trace_hardirqs_on+0xd/0x10 [ 653.718164] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 653.718169] [] ndisc_alloc_skb+0x144/0x330 [ 653.718174] [] ndisc_send_rs+0x2ff/0x670 [ 653.718179] [] ? __ipv6_get_lladdr+0x250/0x250 [ 653.718183] [] addrconf_rs_timer+0x27e/0x5a0 [ 653.718187] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.718192] [] call_timer_fn+0x163/0x6e0 [ 653.718196] [] ? call_timer_fn+0xda/0x6e0 [ 653.718200] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.718204] [] ? process_timeout+0x20/0x20 [ 653.718209] [] ? mark_held_locks+0xc7/0x130 [ 653.718213] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 653.718217] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.718222] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 653.718226] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.718230] [] expire_timers+0x234/0x580 [ 653.718235] [] ? collect_expired_timers+0x1d5/0x2b0 [ 653.718239] [] run_timer_softirq+0x208/0x5e0 [ 653.718243] [] ? expire_timers+0x580/0x580 [ 653.718248] [] ? check_preemption_disabled+0x3b/0x200 [ 653.718253] [] __do_softirq+0x20e/0x964 [ 653.718258] [] ? check_preemption_disabled+0x3b/0x200 [ 653.718263] [] irq_exit+0x11c/0x150 [ 653.718268] [] smp_apic_timer_interrupt+0x81/0xb0 [ 653.718272] [] apic_timer_interrupt+0x9d/0xb0 [ 653.718278] [ 653.718279] [] ? lock_release+0x557/0xc20 [ 653.718283] [] ? find_lock_task_mm+0xf1/0x270 [ 653.718288] [] ? find_lock_task_mm+0xf1/0x270 [ 653.718293] [] find_lock_task_mm+0x15b/0x270 [ 653.718298] [] ? wake_oom_reaper+0xf0/0xf0 [ 653.718302] [] lowmem_scan+0x34f/0xaf0 [ 653.718306] [] ? lowmem_scan+0x24e/0xaf0 [ 653.718311] [] ? check_preemption_disabled+0x3b/0x200 [ 653.718316] [] shrink_slab.part.8+0x3c6/0xa00 [ 653.718321] [] ? unregister_shrinker+0x230/0x230 [ 653.718326] [] shrink_node+0x1ed/0x740 [ 653.718332] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 653.718337] [] ? __delayacct_freepages_start+0x41/0x80 [ 653.718342] [] try_to_free_pages+0x377/0xb80 [ 653.718347] [] ? shrink_node+0x740/0x740 [ 653.718352] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 653.718357] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 653.718362] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 653.718368] [] ? check_preemption_disabled+0x3b/0x200 [ 653.718372] [] ? find_get_entry+0x11a/0x570 [ 653.718377] [] ? find_get_entry+0x141/0x570 [ 653.718381] [] ? page_cache_prev_hole+0x80/0x80 [ 653.718386] [] ? pagecache_get_page+0x131/0x710 [ 653.718391] [] filemap_fault+0xaf1/0x1110 [ 653.718396] [] ext4_filemap_fault+0x71/0xa0 [ 653.718400] [] __do_fault+0x223/0x500 [ 653.718404] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 653.718409] [] ? handle_mm_fault+0x1d4f/0x2350 [ 653.718414] [] handle_mm_fault+0x1326/0x2350 [ 653.718418] [] ? vm_insert_page+0x6f0/0x6f0 [ 653.718423] [] ? __might_fault+0x92/0x1d0 [ 653.718428] [] __do_page_fault+0x403/0xa60 [ 653.718433] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 653.718438] [] ? bad_area_access_error+0x3a0/0x3a0 [ 653.718443] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 653.718448] [] do_page_fault+0x27/0x30 [ 653.718452] [] page_fault+0x25/0x30 [ 653.718454] Mem-Info: [ 653.718464] active_anon:5503 inactive_anon:42 isolated_anon:0 [ 653.718464] active_file:17 inactive_file:27 isolated_file:0 [ 653.718464] unevictable:0 dirty:2 writeback:0 unstable:0 [ 653.718464] slab_reclaimable:4616 slab_unreclaimable:57492 [ 653.718464] mapped:13 shmem:48 pagetables:358 bounce:0 [ 653.718464] free:557 free_pcp:331 free_cma:0 [ 653.718472] Node 0 active_anon:22012kB inactive_anon:168kB active_file:68kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 653.718483] DMA32 free:2100kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:640kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 653.718499] Normal free:128kB min:5580kB low:9168kB high:12756kB active_anon:22012kB inactive_anon:168kB active_file:68kB inactive_file:108kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:229960kB kernel_stack:3872kB pagetables:1432kB bounce:0kB free_pcp:684kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 653.718528] DMA32: 19*4kB (U) 16*8kB (U) 17*16kB (U) 19*32kB (U) 16*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2108kB Normal: 2*4kB (H) 2*8kB (H) 2*16kB (H) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 56kB 92 total pagecache pages [ 653.718551] 0 pages in swap cache [ 653.718553] Swap cache stats: add 0, delete 0, find 0/0 [ 653.718554] Free swap = 0kB [ 653.718556] Total swap = 0kB [ 653.718557] 1965979 pages RAM [ 653.718558] 0 pages HighMem/MovableOnly [ 653.718559] 313617 pages reserved [ 653.718563] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 653.718567] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 653.718569] node 0: slabs: 596, objs: 7152, free: 0 [ 653.718572] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 653.796504] syz-executor.3: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 653.796512] CPU: 1 PID: 2342 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 653.796525] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb ffff8801c92aaf80 [ 653.796533] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 653.796542] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 653.796543] Call Trace: [ 653.796560] [ 653.796561] [] dump_stack+0xc1/0x128 [ 653.796570] [] warn_alloc.cold.31+0x7f/0x9c [ 653.796579] [] ? zone_watermark_ok_safe+0x250/0x250 [ 653.796586] [] ? get_page_from_freelist+0x23e/0x1d80 [ 653.796594] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 653.796603] [] ? kvm_sched_clock_read+0x9/0x20 [ 653.796610] [] ? __lock_acquire+0x654/0x4a10 [ 653.796617] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 653.796623] [] ? trace_hardirqs_on+0x10/0x10 [ 653.796631] [] ? cpuacct_charge+0x1db/0x360 [ 653.796639] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 653.796647] [] new_slab+0x367/0x3d0 [ 653.796655] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 653.796663] [] ? __alloc_skb+0xe6/0x5b0 [ 653.796669] [] ? trace_hardirqs_on+0x10/0x10 [ 653.796736] [] ? __enqueue_entity+0x138/0x230 [ 653.796745] [] ? check_preemption_disabled+0x3b/0x200 [ 653.796751] [] ? __alloc_skb+0xe6/0x5b0 [ 653.796759] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 653.796765] [] ? __alloc_skb+0xe6/0x5b0 [ 653.796772] [] kmem_cache_alloc+0x212/0x2b0 [ 653.796779] [] ? mark_held_locks+0xc7/0x130 [ 653.796786] [] __alloc_skb+0xe6/0x5b0 [ 653.796793] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 653.796800] [] ? ipv6_get_ifaddr+0x300/0x510 [ 653.796805] [] ? trace_hardirqs_on+0xd/0x10 [ 653.796813] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 653.796821] [] ndisc_alloc_skb+0x144/0x330 [ 653.796829] [] ndisc_send_rs+0x2ff/0x670 [ 653.796835] [] ? __ipv6_get_lladdr+0x250/0x250 [ 653.796841] [] addrconf_rs_timer+0x27e/0x5a0 [ 653.796847] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.796854] [] call_timer_fn+0x163/0x6e0 [ 653.796860] [] ? call_timer_fn+0xda/0x6e0 [ 653.796865] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.796871] [] ? process_timeout+0x20/0x20 [ 653.796878] [] ? mark_held_locks+0xc7/0x130 [ 653.796885] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 653.796891] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.796897] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 653.796902] [] ? ipv6_get_lladdr+0x440/0x440 [ 653.796908] [] expire_timers+0x234/0x580 [ 653.796914] [] ? collect_expired_timers+0x1d5/0x2b0 [ 653.796921] [] run_timer_softirq+0x208/0x5e0 [ 653.796927] [] ? expire_timers+0x580/0x580 [ 653.796934] [] ? check_preemption_disabled+0x3b/0x200 [ 653.796942] [] __do_softirq+0x20e/0x964 [ 653.796949] [] ? check_preemption_disabled+0x3b/0x200 [ 653.796955] [] irq_exit+0x11c/0x150 [ 653.796962] [] smp_apic_timer_interrupt+0x81/0xb0 [ 653.796969] [] apic_timer_interrupt+0x9d/0xb0 [ 653.796978] [ 653.796978] [] ? lock_acquire+0x173/0x3e0 [ 653.796985] [] ? find_lock_task_mm+0xf1/0x270 [ 653.796991] [] ? check_preemption_disabled+0x3b/0x200 [ 653.796997] [] ? wake_oom_reaper+0xf0/0xf0 [ 653.797011] [] _raw_spin_lock+0x36/0x50 [ 653.797018] [] ? find_lock_task_mm+0xf1/0x270 [ 653.797025] [] find_lock_task_mm+0xf1/0x270 [ 653.797032] [] ? wake_oom_reaper+0xf0/0xf0 [ 653.797038] [] lowmem_scan+0x34f/0xaf0 [ 653.797044] [] ? lowmem_scan+0x24e/0xaf0 [ 653.797050] [] ? check_preemption_disabled+0x3b/0x200 [ 653.797059] [] shrink_slab.part.8+0x3c6/0xa00 [ 653.797067] [] ? unregister_shrinker+0x230/0x230 [ 653.797074] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 653.797081] [] shrink_node+0x1ed/0x740 [ 653.797088] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 653.797096] [] ? __delayacct_freepages_start+0x41/0x80 [ 653.797103] [] try_to_free_pages+0x377/0xb80 [ 653.797109] [] ? shrink_node+0x740/0x740 [ 653.797117] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 653.797126] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 653.797132] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 653.797140] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 653.797148] [] __vmalloc_node_range+0x25b/0x600 [ 653.797155] [] ? xt_alloc_table_info+0xc9/0x100 [ 653.797161] [] vmalloc+0x5b/0x70 [ 653.797168] [] ? xt_alloc_table_info+0xc9/0x100 [ 653.797174] [] xt_alloc_table_info+0xc9/0x100 [ 653.797182] [] compat_do_replace.isra.10+0x116/0x380 [ 653.797189] [] ? translate_compat_table+0x1790/0x1790 [ 653.797196] [] ? mutex_lock_nested+0x6b7/0x900 [ 653.797202] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 653.797212] [] ? __cap_capable+0x168/0x1c0 [ 653.797221] [] ? ns_capable_common+0x12a/0x150 [ 653.797228] [] compat_do_ipt_set_ctl+0x102/0x140 [ 653.797236] [] compat_nf_setsockopt+0x8b/0x130 [ 653.797243] [] ? compat_do_replace.isra.10+0x380/0x380 [ 653.797251] [] compat_ip_setsockopt+0x97/0xd0 [ 653.797259] [] compat_udp_setsockopt+0x4a/0x90 [ 653.797267] [] compat_sock_common_setsockopt+0xb4/0x150 [ 653.797274] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 653.797282] [] compat_SyS_setsockopt+0x169/0x550 [ 653.797288] [] ? sock_common_setsockopt+0xe0/0xe0 [ 653.797295] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 653.797303] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 653.797311] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 653.797317] [] ? do_fast_syscall_32+0xcf/0xa10 [ 653.797324] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 653.797330] [] do_fast_syscall_32+0x2f1/0xa10 [ 653.797337] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 653.797344] [] entry_SYSENTER_compat+0x90/0xa2 [ 653.797347] Mem-Info: [ 653.797363] active_anon:5503 inactive_anon:42 isolated_anon:0 [ 653.797363] active_file:17 inactive_file:27 isolated_file:0 [ 653.797363] unevictable:0 dirty:2 writeback:0 unstable:0 [ 653.797363] slab_reclaimable:4616 slab_unreclaimable:57492 [ 653.797363] mapped:13 shmem:48 pagetables:358 bounce:0 [ 653.797363] free:2157 free_pcp:352 free_cma:0 [ 653.797374] Node 0 active_anon:22012kB inactive_anon:168kB active_file:68kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 653.797390] DMA32 free:8600kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:644kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 653.797412] Normal free:128kB min:5580kB low:9168kB high:12756kB active_anon:22012kB inactive_anon:168kB active_file:68kB inactive_file:108kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:229960kB kernel_stack:3872kB pagetables:1432kB bounce:0kB free_pcp:684kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 653.797450] DMA32: 73*4kB (U) 74*8kB (U) 73*16kB (U) 75*32kB (U) 66*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8804kB Normal: 2*4kB (H) 2*8kB (H) 2*16kB (H) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 56kB 92 total pagecache pages [ 653.797483] 0 pages in swap cache [ 653.797487] Swap cache stats: add 0, delete 0, find 0/0 [ 653.797488] Free swap = 0kB [ 653.797490] Total swap = 0kB [ 653.797492] 1965979 pages RAM [ 653.797494] 0 pages HighMem/MovableOnly [ 653.797495] 313617 pages reserved [ 653.797501] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 653.797507] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 653.797512] node 0: slabs: 596, objs: 7152, free: 0 [ 653.797518] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 653.956499] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 654.036596] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 654.544949] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 654.544949] to free 108kB on behalf of 'syz-executor.1' (2323) because [ 654.544949] cache 368kB is below limit 6144kB for oom_score_adj 0 [ 654.544949] Free memory is -15340kB above reserved [ 655.546634] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 655.546634] to free 108kB on behalf of 'syz-execprog' (2156) because [ 655.546634] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 655.546634] Free memory is -13544kB above reserved [ 655.546692] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 655.546692] to free 108kB on behalf of 'syz-executor.1' (2182) because [ 655.546692] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 655.546692] Free memory is -13544kB above reserved [ 656.556579] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 656.556579] to free 108kB on behalf of 'syz-executor.4' (2180) because [ 656.556579] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 656.556579] Free memory is -13544kB above reserved [ 656.556591] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 656.556591] to free 108kB on behalf of 'rs:main Q:Reg' (1893) because [ 656.556591] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 656.556591] Free memory is -13544kB above reserved [ 657.566543] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 657.566543] to free 108kB on behalf of 'syz-executor.3' (2178) because [ 657.566543] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 657.566543] Free memory is -13544kB above reserved [ 658.576534] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 658.576534] to free 108kB on behalf of 'syz-executor.5' (2348) because [ 658.576534] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 658.576534] Free memory is -13544kB above reserved [ 659.586547] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 659.586547] to free 108kB on behalf of 'syz-executor.2' (2177) because [ 659.586547] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 659.586547] Free memory is -13544kB above reserved [ 659.586569] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 659.586569] to free 108kB on behalf of 'syz-execprog' (2156) because [ 659.586569] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 659.586569] Free memory is -13544kB above reserved [ 660.596526] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 660.596526] to free 108kB on behalf of 'syz-executor.1' (2182) because [ 660.596526] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 660.596526] Free memory is -13544kB above reserved [ 660.596537] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 660.596537] to free 108kB on behalf of 'init' (1) because [ 660.596537] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 660.596537] Free memory is -13544kB above reserved [ 661.606561] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 661.606561] to free 108kB on behalf of 'syz-executor.5' (2348) because [ 661.606561] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 661.606561] Free memory is -13544kB above reserved [ 661.606572] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 661.606572] to free 108kB on behalf of 'syz-executor.1' (2323) because [ 661.606572] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 661.606572] Free memory is -13544kB above reserved [ 661.636764] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 661.636778] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 662.276680] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 662.276702] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 662.616539] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 662.616539] to free 108kB on behalf of 'rs:main Q:Reg' (1893) because [ 662.616539] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 662.616539] Free memory is -13676kB above reserved ** 57 printk messages dropped ** [ 664.990667] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 664.990676] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 664.990683] [] ? find_get_entry+0x11a/0x570 [ 664.990690] [] ? find_get_entry+0x141/0x570 [ 664.990698] [] ? page_cache_prev_hole+0x80/0x80 ** 44 printk messages dropped ** [ 664.995705] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 664.995712] [] ? find_get_entry+0x11a/0x570 [ 664.995719] [] ? find_get_entry+0x141/0x570 [ 664.995726] [] ? page_cache_prev_hole+0x80/0x80 [ 664.995736] [] ? autoremove_wake_function+0x40/0x40 [ 664.995743] [] ? pagecache_get_page+0x131/0x710 [ 664.995751] [] filemap_fault+0xaf1/0x1110 [ 664.995759] [] ext4_filemap_fault+0x71/0xa0 [ 664.995765] [] __do_fault+0x223/0x500 [ 664.995770] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 664.995778] [] ? handle_mm_fault+0x1d4f/0x2350 [ 664.995785] [] handle_mm_fault+0x1326/0x2350 [ 664.995792] [] ? vm_insert_page+0x6f0/0x6f0 [ 664.995834] [] ? selinux_file_permission+0x82/0x470 [ 664.995860] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 664.995867] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 664.995875] [] __do_page_fault+0x403/0xa60 [ 664.995883] [] ? bad_area_access_error+0x3a0/0x3a0 [ 664.995891] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 664.995898] [] do_page_fault+0x27/0x30 [ 664.995905] [] page_fault+0x25/0x30 [ 664.995908] Mem-Info: [ 664.995924] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 664.995924] active_file:15 inactive_file:25 isolated_file:0 [ 664.995924] unevictable:0 dirty:0 writeback:0 unstable:0 [ 664.995924] slab_reclaimable:4630 slab_unreclaimable:56926 [ 664.995924] mapped:9 shmem:48 pagetables:358 bounce:0 [ 664.995924] free:5957 free_pcp:117 free_cma:0 [ 664.995937] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 664.995955] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 664.995980] Normal free:5240kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:348kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 664.996035] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 154*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5240kB 89 total pagecache pages [ 664.996080] 0 pages in swap cache [ 664.996084] Swap cache stats: add 0, delete 0, find 0/0 [ 664.996086] Free swap = 0kB [ 664.996088] Total swap = 0kB [ 664.996091] 1965979 pages RAM [ 664.996093] 0 pages HighMem/MovableOnly [ 664.996095] 313617 pages reserved [ 665.030254] syz-execprog: page allocation stalls for 10040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 665.030263] CPU: 0 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 665.030278] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 665.030294] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 665.030303] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 665.030305] Call Trace: [ 665.030320] [] dump_stack+0xc1/0x128 [ 665.030329] [] warn_alloc.cold.31+0x7f/0x9c [ 665.030344] [] ? zone_watermark_ok_safe+0x250/0x250 [ 665.030352] [] ? shrink_node+0x740/0x740 [ 665.030361] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 665.030370] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 665.030379] [] ? check_preemption_disabled+0x3b/0x200 [ 665.030386] [] ? find_get_entry+0x11a/0x570 [ 665.030393] [] ? find_get_entry+0x141/0x570 [ 665.030401] [] ? page_cache_prev_hole+0x80/0x80 [ 665.030410] [] ? autoremove_wake_function+0x40/0x40 [ 665.030417] [] ? pagecache_get_page+0x131/0x710 [ 665.030425] [] filemap_fault+0xaf1/0x1110 [ 665.030434] [] ext4_filemap_fault+0x71/0xa0 [ 665.030440] [] __do_fault+0x223/0x500 [ 665.030447] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 665.030455] [] ? generic_file_readonly_mmap+0x190/0x190 [ 665.030462] [] handle_mm_fault+0x1326/0x2350 [ 665.030470] [] ? vm_insert_page+0x6f0/0x6f0 [ 665.030478] [] ? selinux_file_permission+0x82/0x470 [ 665.030488] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 665.030496] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 665.030505] [] __do_page_fault+0x403/0xa60 [ 665.030513] [] ? bad_area_access_error+0x3a0/0x3a0 [ 665.030522] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 665.030529] [] do_page_fault+0x27/0x30 [ 665.030537] [] page_fault+0x25/0x30 [ 665.030541] Mem-Info: [ 665.030558] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 665.030558] active_file:15 inactive_file:25 isolated_file:0 [ 665.030558] unevictable:0 dirty:0 writeback:0 unstable:0 [ 665.030558] slab_reclaimable:4630 slab_unreclaimable:56926 [ 665.030558] mapped:9 shmem:48 pagetables:358 bounce:0 [ 665.030558] free:5957 free_pcp:117 free_cma:0 [ 665.030571] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 665.030589] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 665.030615] Normal free:5240kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:348kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 665.030670] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 154*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5240kB 89 total pagecache pages [ 665.030716] 0 pages in swap cache [ 665.030720] Swap cache stats: add 0, delete 0, find 0/0 [ 665.030722] Free swap = 0kB [ 665.030724] Total swap = 0kB [ 665.030726] 1965979 pages RAM [ 665.030728] 0 pages HighMem/MovableOnly [ 665.030730] 313617 pages reserved [ 665.044117] syz-execprog: page allocation stalls for 10010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 665.044125] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 665.044139] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 665.044149] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 665.044159] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 665.044161] Call Trace: [ 665.044171] [] dump_stack+0xc1/0x128 [ 665.044179] [] warn_alloc.cold.31+0x7f/0x9c [ 665.044187] [] ? zone_watermark_ok_safe+0x250/0x250 [ 665.044195] [] ? shrink_node+0x740/0x740 [ 665.044204] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 665.044212] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 665.044220] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 665.044229] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 665.044236] [] ? find_get_entry+0x11a/0x570 [ 665.044243] [] ? find_get_entry+0x141/0x570 [ 665.044250] [] ? page_cache_prev_hole+0x80/0x80 [ 665.044257] [] ? trace_hardirqs_on+0x10/0x10 [ 665.044265] [] ? pagecache_get_page+0x131/0x710 [ 665.044272] [] filemap_fault+0xaf1/0x1110 [ 665.044281] [] ext4_filemap_fault+0x71/0xa0 [ 665.044287] [] __do_fault+0x223/0x500 [ 665.044294] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 665.044301] [] ? handle_mm_fault+0x1d4f/0x2350 [ 665.044309] [] handle_mm_fault+0x1326/0x2350 [ 665.044351] [] ? poll_select_set_timeout+0xb5/0x120 [ 665.044359] [] ? vm_insert_page+0x6f0/0x6f0 [ 665.044368] [] __do_page_fault+0x403/0xa60 [ 665.044375] [] ? __fget_light+0x169/0x1f0 [ 665.044383] [] ? bad_area_access_error+0x3a0/0x3a0 [ 665.044391] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 665.044398] [] do_page_fault+0x27/0x30 [ 665.044406] [] page_fault+0x25/0x30 [ 665.044410] Mem-Info: [ 665.044426] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 665.044426] active_file:15 inactive_file:25 isolated_file:0 [ 665.044426] unevictable:0 dirty:0 writeback:0 unstable:0 [ 665.044426] slab_reclaimable:4630 slab_unreclaimable:56926 [ 665.044426] mapped:9 shmem:48 pagetables:358 bounce:0 [ 665.044426] free:5957 free_pcp:117 free_cma:0 [ 665.044439] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 665.044456] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 665.044482] Normal free:5240kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:348kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 665.044537] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 154*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5240kB 89 total pagecache pages [ 665.044583] 0 pages in swap cache [ 665.044587] Swap cache stats: add 0, delete 0, find 0/0 [ 665.044589] Free swap = 0kB [ 665.044591] Total swap = 0kB [ 665.044593] 1965979 pages RAM [ 665.044595] 0 pages HighMem/MovableOnly [ 665.044597] 313617 pages reserved [ 665.095517] syz-executor.4: page allocation stalls for 10040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 665.095525] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 665.095539] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 665.095548] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 665.095557] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 665.095559] Call Trace: [ 665.095573] [] dump_stack+0xc1/0x128 [ 665.095582] [] warn_alloc.cold.31+0x7f/0x9c [ 665.095591] [] ? zone_watermark_ok_safe+0x250/0x250 [ 665.095599] [] ? shrink_node+0x740/0x740 [ 665.095608] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 665.095616] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 665.095624] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 665.095632] [] ? check_preemption_disabled+0x3b/0x200 [ 665.095639] [] ? find_get_entry+0x11a/0x570 [ 665.095645] [] ? find_get_entry+0x141/0x570 ** 23 printk messages dropped ** [ 665.095836] lowmem_reserve[]: 0 3505 3505 [ 665.095853] Normal free:5240kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:348kB local_pcp:108kB free_cma:0kB ** 225 printk messages dropped ** [ 673.726529] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 673.726529] to free 108kB on behalf of 'init' (1) because [ 673.726529] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 673.726529] Free memory is -13676kB above reserved ** 91 printk messages dropped ** [ 674.999792] ffff8801d315f7c0 ffffffff81b42e79 1ffff1003a62befa ffff8801d3dcc740 [ 674.999802] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d315f908 [ 674.999812] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 47 printk messages dropped ** [ 675.020692] CPU: 0 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 675.020705] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 675.020715] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 675.020725] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 675.020727] Call Trace: [ 675.020738] [] dump_stack+0xc1/0x128 [ 675.020747] [] warn_alloc.cold.31+0x7f/0x9c [ 675.020755] [] ? zone_watermark_ok_safe+0x250/0x250 [ 675.020763] [] ? shrink_node+0x740/0x740 [ 675.020772] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 675.020781] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 675.020790] [] ? check_preemption_disabled+0x3b/0x200 [ 675.020798] [] ? find_get_entry+0x11a/0x570 [ 675.020805] [] ? find_get_entry+0x141/0x570 [ 675.020812] [] ? page_cache_prev_hole+0x80/0x80 [ 675.020824] [] ? autoremove_wake_function+0x40/0x40 [ 675.020832] [] ? pagecache_get_page+0x131/0x710 [ 675.020840] [] filemap_fault+0xaf1/0x1110 [ 675.020848] [] ext4_filemap_fault+0x71/0xa0 [ 675.020854] [] __do_fault+0x223/0x500 [ 675.020861] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 675.020869] [] ? generic_file_readonly_mmap+0x190/0x190 [ 675.020876] [] handle_mm_fault+0x1326/0x2350 [ 675.020883] [] ? vm_insert_page+0x6f0/0x6f0 [ 675.020891] [] ? selinux_file_permission+0x82/0x470 [ 675.020900] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 675.020908] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 675.020916] [] __do_page_fault+0x403/0xa60 [ 675.020924] [] ? bad_area_access_error+0x3a0/0x3a0 [ 675.020932] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 675.020939] [] do_page_fault+0x27/0x30 [ 675.020946] [] page_fault+0x25/0x30 [ 675.020950] Mem-Info: [ 675.020965] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 675.020965] active_file:15 inactive_file:25 isolated_file:0 [ 675.020965] unevictable:0 dirty:0 writeback:0 unstable:0 [ 675.020965] slab_reclaimable:4630 slab_unreclaimable:56926 [ 675.020965] mapped:9 shmem:48 pagetables:358 bounce:0 [ 675.020965] free:5957 free_pcp:117 free_cma:0 [ 675.020978] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 675.020996] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 675.021022] Normal free:5240kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:348kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 675.021074] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 154*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5240kB 89 total pagecache pages [ 675.021119] 0 pages in swap cache [ 675.021123] Swap cache stats: add 0, delete 0, find 0/0 [ 675.021125] Free swap = 0kB [ 675.021127] Total swap = 0kB [ 675.021130] 1965979 pages RAM [ 675.021132] 0 pages HighMem/MovableOnly [ 675.021134] 313617 pages reserved [ 675.065066] syz-executor.4: page allocation stalls for 20010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 675.065073] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 675.065087] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 675.065096] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 675.065106] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 675.065107] Call Trace: [ 675.065120] [] dump_stack+0xc1/0x128 [ 675.065128] [] warn_alloc.cold.31+0x7f/0x9c [ 675.065137] [] ? zone_watermark_ok_safe+0x250/0x250 [ 675.065144] [] ? shrink_node+0x740/0x740 [ 675.065152] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 675.065160] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 675.065168] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 675.065176] [] ? check_preemption_disabled+0x3b/0x200 [ 675.065183] [] ? find_get_entry+0x11a/0x570 [ 675.065189] [] ? find_get_entry+0x141/0x570 [ 675.065196] [] ? page_cache_prev_hole+0x80/0x80 [ 675.065202] [] ? pagecache_get_page+0x131/0x710 [ 675.065209] [] filemap_fault+0xaf1/0x1110 [ 675.065217] [] ext4_filemap_fault+0x71/0xa0 [ 675.065223] [] __do_fault+0x223/0x500 [ 675.065229] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 675.065237] [] ? generic_file_readonly_mmap+0x190/0x190 [ 675.065243] [] handle_mm_fault+0x1326/0x2350 [ 675.065251] [] ? hrtimer_nanosleep+0x38c/0x550 [ 675.065257] [] ? vm_insert_page+0x6f0/0x6f0 [ 675.065265] [] ? compat_SyS_wait4+0x1e9/0x290 [ 675.065272] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 675.065279] [] ? put_compat_rusage+0x550/0x550 [ 675.065286] [] __do_page_fault+0x403/0xa60 [ 675.065294] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 675.065301] [] ? bad_area_access_error+0x3a0/0x3a0 [ 675.065308] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 675.065313] [] do_page_fault+0x27/0x30 [ 675.065320] [] page_fault+0x25/0x30 [ 675.065322] Mem-Info: [ 675.065337] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 675.065337] active_file:15 inactive_file:25 isolated_file:0 [ 675.065337] unevictable:0 dirty:0 writeback:0 unstable:0 [ 675.065337] slab_reclaimable:4630 slab_unreclaimable:56926 [ 675.065337] mapped:9 shmem:48 pagetables:358 bounce:0 [ 675.065337] free:5957 free_pcp:117 free_cma:0 [ 675.065353] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 675.065370] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 675.065393] Normal free:5240kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:348kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 675.065443] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 154*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5240kB 89 total pagecache pages [ 675.065484] 0 pages in swap cache [ 675.065488] Swap cache stats: add 0, delete 0, find 0/0 [ 675.065490] Free swap = 0kB [ 675.065492] Total swap = 0kB [ 675.065494] 1965979 pages RAM [ 675.065496] 0 pages HighMem/MovableOnly [ 675.065498] 313617 pages reserved [ 675.079263] syz-execprog: page allocation stalls for 20050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 675.079271] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 675.079285] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 675.079295] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 675.079305] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 675.079307] Call Trace: [ 675.079319] [] dump_stack+0xc1/0x128 [ 675.079327] [] warn_alloc.cold.31+0x7f/0x9c [ 675.079336] [] ? zone_watermark_ok_safe+0x250/0x250 [ 675.079344] [] ? shrink_node+0x740/0x740 [ 675.079353] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 675.079361] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 675.079369] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 675.079378] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 675.079385] [] ? find_get_entry+0x11a/0x570 [ 675.079392] [] ? find_get_entry+0x141/0x570 [ 675.079398] [] ? page_cache_prev_hole+0x80/0x80 [ 675.079405] [] ? trace_hardirqs_on+0x10/0x10 [ 675.079412] [] ? pagecache_get_page+0x131/0x710 [ 675.079420] [] filemap_fault+0xaf1/0x1110 [ 675.079428] [] ext4_filemap_fault+0x71/0xa0 [ 675.079435] [] __do_fault+0x223/0x500 [ 675.079442] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 675.079449] [] ? handle_mm_fault+0x1d4f/0x2350 [ 675.079457] [] handle_mm_fault+0x1326/0x2350 [ 675.079465] [] ? poll_select_set_timeout+0xb5/0x120 [ 675.079473] [] ? vm_insert_page+0x6f0/0x6f0 [ 675.079482] [] __do_page_fault+0x403/0xa60 [ 675.079489] [] ? __fget_light+0x169/0x1f0 ** 7 printk messages dropped ** [ 675.079576] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 675.079602] Normal free:5240kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:348kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 675.079656] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 154*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5240kB 89 total pagecache pages [ 675.079703] 0 pages in swap cache [ 675.079706] Swap cache stats: add 0, delete 0, find 0/0 [ 675.079708] Free swap = 0kB [ 675.079710] Total swap = 0kB [ 675.079713] 1965979 pages RAM [ 675.079715] 0 pages HighMem/MovableOnly [ 675.079717] 313617 pages reserved [ 675.094791] syz-executor.3: page allocation stalls for 20030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 675.094798] CPU: 1 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 675.094812] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 675.094822] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 675.094832] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 675.094833] Call Trace: [ 675.094844] [] dump_stack+0xc1/0x128 [ 675.094852] [] warn_alloc.cold.31+0x7f/0x9c [ 675.094861] [] ? zone_watermark_ok_safe+0x250/0x250 [ 675.094869] [] ? shrink_node+0x740/0x740 [ 675.094878] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 675.094885] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 675.094894] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 675.094902] [] ? check_preemption_disabled+0x3b/0x200 ** 118 printk messages dropped ** [ 675.325656] [] do_page_fault+0x27/0x30 [ 675.325665] [] page_fault+0x25/0x30 ** 168 printk messages dropped ** [ 684.911469] lowmem_reserve[]: 0 0 0 ** 50 printk messages dropped ** [ 684.990959] lowmem_reserve[]: 0 0 0 [ 684.991007] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB ** 46 printk messages dropped ** [ 685.000769] lowmem_reserve[]: 0 0 0 [ 685.000816] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 685.000867] 0 pages in swap cache [ 685.000871] Swap cache stats: add 0, delete 0, find 0/0 [ 685.000873] Free swap = 0kB [ 685.000875] Total swap = 0kB [ 685.000878] 1965979 pages RAM [ 685.000880] 0 pages HighMem/MovableOnly [ 685.000882] 313617 pages reserved [ 685.033805] syz-execprog: page allocation stalls for 30040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 685.033812] CPU: 1 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 685.033825] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 685.033835] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 685.033845] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 685.033847] Call Trace: [ 685.033858] [] dump_stack+0xc1/0x128 [ 685.033867] [] warn_alloc.cold.31+0x7f/0x9c [ 685.033875] [] ? zone_watermark_ok_safe+0x250/0x250 [ 685.033883] [] ? shrink_node+0x740/0x740 [ 685.033892] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 685.033900] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 685.033908] [] ? check_preemption_disabled+0x3b/0x200 [ 685.033916] [] ? find_get_entry+0x11a/0x570 [ 685.033923] [] ? find_get_entry+0x141/0x570 [ 685.033930] [] ? page_cache_prev_hole+0x80/0x80 [ 685.033938] [] ? autoremove_wake_function+0x40/0x40 [ 685.033945] [] ? pagecache_get_page+0x131/0x710 [ 685.033953] [] filemap_fault+0xaf1/0x1110 [ 685.033961] [] ext4_filemap_fault+0x71/0xa0 [ 685.033967] [] __do_fault+0x223/0x500 [ 685.033974] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 685.033982] [] ? generic_file_readonly_mmap+0x190/0x190 [ 685.033989] [] handle_mm_fault+0x1326/0x2350 [ 685.033996] [] ? vm_insert_page+0x6f0/0x6f0 [ 685.034004] [] ? selinux_file_permission+0x82/0x470 [ 685.034013] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 685.034020] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 685.034029] [] __do_page_fault+0x403/0xa60 [ 685.034036] [] ? bad_area_access_error+0x3a0/0x3a0 [ 685.034045] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 685.034052] [] do_page_fault+0x27/0x30 [ 685.034059] [] page_fault+0x25/0x30 [ 685.034062] Mem-Info: [ 685.034077] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 685.034077] active_file:15 inactive_file:25 isolated_file:0 [ 685.034077] unevictable:0 dirty:0 writeback:0 unstable:0 [ 685.034077] slab_reclaimable:4630 slab_unreclaimable:56932 [ 685.034077] mapped:9 shmem:48 pagetables:358 bounce:0 [ 685.034077] free:5953 free_pcp:115 free_cma:0 [ 685.034090] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 685.034108] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 685.034133] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227388kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:340kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 685.034189] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 685.034235] 0 pages in swap cache [ 685.034239] Swap cache stats: add 0, delete 0, find 0/0 [ 685.034241] Free swap = 0kB [ 685.034243] Total swap = 0kB [ 685.034245] 1965979 pages RAM [ 685.034247] 0 pages HighMem/MovableOnly [ 685.034249] 313617 pages reserved [ 685.043669] syz-execprog: page allocation stalls for 30010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 685.043676] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 685.043688] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 685.043698] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 685.043708] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 685.043709] Call Trace: [ 685.043719] [] dump_stack+0xc1/0x128 [ 685.043726] [] warn_alloc.cold.31+0x7f/0x9c [ 685.043734] [] ? zone_watermark_ok_safe+0x250/0x250 [ 685.043742] [] ? shrink_node+0x740/0x740 [ 685.043751] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 685.043758] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 685.043767] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 685.043775] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 685.043782] [] ? find_get_entry+0x11a/0x570 [ 685.043789] [] ? find_get_entry+0x141/0x570 [ 685.043796] [] ? page_cache_prev_hole+0x80/0x80 [ 685.043804] [] ? trace_hardirqs_on+0x10/0x10 [ 685.043811] [] ? pagecache_get_page+0x131/0x710 [ 685.043819] [] filemap_fault+0xaf1/0x1110 [ 685.043827] [] ext4_filemap_fault+0x71/0xa0 [ 685.043833] [] __do_fault+0x223/0x500 [ 685.043840] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 685.043847] [] ? handle_mm_fault+0x1d4f/0x2350 [ 685.043854] [] handle_mm_fault+0x1326/0x2350 [ 685.043863] [] ? poll_select_set_timeout+0xb5/0x120 [ 685.043870] [] ? vm_insert_page+0x6f0/0x6f0 [ 685.043878] [] __do_page_fault+0x403/0xa60 [ 685.043885] [] ? __fget_light+0x169/0x1f0 [ 685.043893] [] ? bad_area_access_error+0x3a0/0x3a0 [ 685.043901] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 685.043908] [] do_page_fault+0x27/0x30 [ 685.043915] [] page_fault+0x25/0x30 [ 685.043918] Mem-Info: [ 685.043933] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 685.043933] active_file:15 inactive_file:25 isolated_file:0 [ 685.043933] unevictable:0 dirty:0 writeback:0 unstable:0 [ 685.043933] slab_reclaimable:4630 slab_unreclaimable:56932 [ 685.043933] mapped:9 shmem:48 pagetables:358 bounce:0 [ 685.043933] free:5953 free_pcp:115 free_cma:0 [ 685.043946] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 685.043964] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 685.043989] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227388kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:340kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 685.044043] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 685.044088] 0 pages in swap cache [ 685.044091] Swap cache stats: add 0, delete 0, find 0/0 [ 685.044093] Free swap = 0kB [ 685.044096] Total swap = 0kB [ 685.044098] 1965979 pages RAM [ 685.044100] 0 pages HighMem/MovableOnly [ 685.044102] 313617 pages reserved [ 685.066902] syz-executor.4: page allocation stalls for 30020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 685.066910] CPU: 0 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 685.066923] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 685.066933] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 685.066943] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 685.066945] Call Trace: [ 685.066955] [] dump_stack+0xc1/0x128 [ 685.066963] [] warn_alloc.cold.31+0x7f/0x9c [ 685.066972] [] ? zone_watermark_ok_safe+0x250/0x250 [ 685.066980] [] ? shrink_node+0x740/0x740 [ 685.066988] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 685.066996] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 685.067005] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 685.067013] [] ? check_preemption_disabled+0x3b/0x200 [ 685.067020] [] ? find_get_entry+0x11a/0x570 [ 685.067027] [] ? find_get_entry+0x141/0x570 [ 685.067034] [] ? page_cache_prev_hole+0x80/0x80 [ 685.067042] [] ? pagecache_get_page+0x131/0x710 [ 685.067049] [] filemap_fault+0xaf1/0x1110 [ 685.067057] [] ext4_filemap_fault+0x71/0xa0 [ 685.067068] [] __do_fault+0x223/0x500 [ 685.067073] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 685.067081] [] ? generic_file_readonly_mmap+0x190/0x190 [ 685.067088] [] handle_mm_fault+0x1326/0x2350 [ 685.067096] [] ? hrtimer_nanosleep+0x38c/0x550 ** 8 printk messages dropped ** [ 685.067167] [] do_page_fault+0x27/0x30 [ 685.067174] [] page_fault+0x25/0x30 [ 685.067177] Mem-Info: [ 685.067192] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 685.067192] active_file:15 inactive_file:25 isolated_file:0 [ 685.067192] unevictable:0 dirty:0 writeback:0 unstable:0 [ 685.067192] slab_reclaimable:4630 slab_unreclaimable:56932 [ 685.067192] mapped:9 shmem:48 pagetables:358 bounce:0 [ 685.067192] free:5953 free_pcp:115 free_cma:0 [ 685.067205] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 685.067223] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 685.067249] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227388kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:340kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 685.067303] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 685.067349] 0 pages in swap cache [ 685.067353] Swap cache stats: add 0, delete 0, find 0/0 [ 685.067355] Free swap = 0kB [ 685.067357] Total swap = 0kB [ 685.067359] 1965979 pages RAM [ 685.067361] 0 pages HighMem/MovableOnly [ 685.067363] 313617 pages reserved [ 685.105716] syz-executor.3: page allocation stalls for 30040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 685.105724] CPU: 1 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 685.105737] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 ** 135 printk messages dropped ** [ 685.350006] lowmem_reserve[]: 0 3505 3505 ** 44 printk messages dropped ** [ 689.780848] [] ? bad_area_access_error+0x3a0/0x3a0 [ 689.780857] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 184 printk messages dropped ** [ 695.000638] [] __do_fault+0x223/0x500 [ 695.000644] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 695.000652] [] ? generic_file_readonly_mmap+0x190/0x190 ** 45 printk messages dropped ** [ 695.035348] [] ? pagecache_get_page+0x131/0x710 [ 695.035356] [] filemap_fault+0xaf1/0x1110 [ 695.035364] [] ext4_filemap_fault+0x71/0xa0 [ 695.035371] [] __do_fault+0x223/0x500 [ 695.035378] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 695.035385] [] ? handle_mm_fault+0x1d4f/0x2350 [ 695.035392] [] handle_mm_fault+0x1326/0x2350 [ 695.035400] [] ? vm_insert_page+0x6f0/0x6f0 [ 695.035408] [] ? selinux_file_permission+0x82/0x470 [ 695.035417] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 695.035424] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 695.035432] [] __do_page_fault+0x403/0xa60 [ 695.035440] [] ? bad_area_access_error+0x3a0/0x3a0 [ 695.035448] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 695.035455] [] do_page_fault+0x27/0x30 [ 695.035463] [] page_fault+0x25/0x30 [ 695.035466] Mem-Info: [ 695.035482] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 695.035482] active_file:15 inactive_file:25 isolated_file:0 [ 695.035482] unevictable:0 dirty:0 writeback:0 unstable:0 [ 695.035482] slab_reclaimable:4630 slab_unreclaimable:56932 [ 695.035482] mapped:9 shmem:48 pagetables:358 bounce:0 [ 695.035482] free:5953 free_pcp:115 free_cma:0 [ 695.035495] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 695.035513] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 695.035539] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227388kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:340kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 695.035594] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 695.035640] 0 pages in swap cache [ 695.035644] Swap cache stats: add 0, delete 0, find 0/0 [ 695.035646] Free swap = 0kB [ 695.035648] Total swap = 0kB [ 695.035650] 1965979 pages RAM [ 695.035652] 0 pages HighMem/MovableOnly [ 695.035654] 313617 pages reserved [ 695.052032] syz-execprog: page allocation stalls for 40020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 695.052039] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 695.052053] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 695.052063] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 695.052072] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 695.052074] Call Trace: [ 695.052085] [] dump_stack+0xc1/0x128 [ 695.052094] [] warn_alloc.cold.31+0x7f/0x9c [ 695.052102] [] ? zone_watermark_ok_safe+0x250/0x250 [ 695.052110] [] ? shrink_node+0x740/0x740 [ 695.052119] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 695.052126] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 695.052135] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 695.052143] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 695.052151] [] ? find_get_entry+0x11a/0x570 [ 695.052158] [] ? find_get_entry+0x141/0x570 [ 695.052165] [] ? page_cache_prev_hole+0x80/0x80 [ 695.052172] [] ? trace_hardirqs_on+0x10/0x10 [ 695.052180] [] ? pagecache_get_page+0x131/0x710 [ 695.052187] [] filemap_fault+0xaf1/0x1110 [ 695.052195] [] ext4_filemap_fault+0x71/0xa0 [ 695.052201] [] __do_fault+0x223/0x500 [ 695.052208] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 695.052215] [] ? handle_mm_fault+0x1d4f/0x2350 [ 695.052223] [] handle_mm_fault+0x1326/0x2350 [ 695.052231] [] ? poll_select_set_timeout+0xb5/0x120 [ 695.052238] [] ? vm_insert_page+0x6f0/0x6f0 [ 695.052247] [] __do_page_fault+0x403/0xa60 [ 695.052254] [] ? __fget_light+0x169/0x1f0 [ 695.052262] [] ? bad_area_access_error+0x3a0/0x3a0 [ 695.052271] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 695.052278] [] do_page_fault+0x27/0x30 [ 695.052285] [] page_fault+0x25/0x30 [ 695.052289] Mem-Info: [ 695.052304] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 695.052304] active_file:15 inactive_file:25 isolated_file:0 [ 695.052304] unevictable:0 dirty:0 writeback:0 unstable:0 [ 695.052304] slab_reclaimable:4630 slab_unreclaimable:56932 [ 695.052304] mapped:9 shmem:48 pagetables:358 bounce:0 [ 695.052304] free:5953 free_pcp:115 free_cma:0 [ 695.052317] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 695.052335] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 695.052360] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227388kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:340kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 695.052414] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 695.052466] 0 pages in swap cache [ 695.052469] Swap cache stats: add 0, delete 0, find 0/0 [ 695.052472] Free swap = 0kB [ 695.052474] Total swap = 0kB [ 695.052476] 1965979 pages RAM [ 695.052478] 0 pages HighMem/MovableOnly [ 695.052480] 313617 pages reserved [ 695.061158] syz-executor.4: page allocation stalls for 40010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 695.061165] CPU: 0 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 695.061178] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 695.061187] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 695.061197] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 695.061199] Call Trace: [ 695.061208] [] dump_stack+0xc1/0x128 [ 695.061216] [] warn_alloc.cold.31+0x7f/0x9c [ 695.061224] [] ? zone_watermark_ok_safe+0x250/0x250 [ 695.061231] [] ? shrink_node+0x740/0x740 [ 695.061240] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 695.061247] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 695.061256] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 695.061265] [] ? check_preemption_disabled+0x3b/0x200 [ 695.061271] [] ? find_get_entry+0x11a/0x570 [ 695.061279] [] ? find_get_entry+0x141/0x570 [ 695.061286] [] ? page_cache_prev_hole+0x80/0x80 [ 695.061293] [] ? pagecache_get_page+0x131/0x710 [ 695.061301] [] filemap_fault+0xaf1/0x1110 [ 695.061308] [] ext4_filemap_fault+0x71/0xa0 [ 695.061315] [] __do_fault+0x223/0x500 [ 695.061322] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 695.061330] [] ? generic_file_readonly_mmap+0x190/0x190 [ 695.061337] [] handle_mm_fault+0x1326/0x2350 [ 695.061344] [] ? hrtimer_nanosleep+0x38c/0x550 [ 695.061351] [] ? vm_insert_page+0x6f0/0x6f0 [ 695.061360] [] ? compat_SyS_wait4+0x1e9/0x290 [ 695.061366] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 695.061374] [] ? put_compat_rusage+0x550/0x550 [ 695.061382] [] __do_page_fault+0x403/0xa60 [ 695.061390] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 695.061397] [] ? bad_area_access_error+0x3a0/0x3a0 [ 695.061406] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 695.061413] [] do_page_fault+0x27/0x30 [ 695.061420] [] page_fault+0x25/0x30 [ 695.061423] Mem-Info: [ 695.061439] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 695.061439] active_file:15 inactive_file:25 isolated_file:0 [ 695.061439] unevictable:0 dirty:0 writeback:0 unstable:0 [ 695.061439] slab_reclaimable:4630 slab_unreclaimable:56932 [ 695.061439] mapped:9 shmem:48 pagetables:358 bounce:0 [ 695.061439] free:5953 free_pcp:115 free_cma:0 [ 695.061451] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 695.061469] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 695.061495] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227388kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:340kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 695.061549] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB ** 10 printk messages dropped ** [ 695.097939] CPU: 1 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 695.097953] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 695.097962] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 695.097971] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 695.097972] Call Trace: [ 695.097984] [] dump_stack+0xc1/0x128 [ 695.097992] [] warn_alloc.cold.31+0x7f/0x9c [ 695.098000] [] ? zone_watermark_ok_safe+0x250/0x250 [ 695.098008] [] ? shrink_node+0x740/0x740 [ 695.098016] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 695.098023] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 695.098031] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 695.098039] [] ? check_preemption_disabled+0x3b/0x200 [ 695.098046] [] ? find_get_entry+0x11a/0x570 [ 695.098053] [] ? find_get_entry+0x141/0x570 [ 695.098059] [] ? page_cache_prev_hole+0x80/0x80 [ 695.098067] [] ? autoremove_wake_function+0x40/0x40 [ 695.098074] [] ? pagecache_get_page+0x131/0x710 [ 695.098080] [] filemap_fault+0xaf1/0x1110 [ 695.098088] [] ext4_filemap_fault+0x71/0xa0 [ 695.098094] [] __do_fault+0x223/0x500 [ 695.098101] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 695.098107] [] ? handle_mm_fault+0x1d4f/0x2350 [ 695.098114] [] handle_mm_fault+0x1326/0x2350 [ 695.098121] [] ? hrtimer_nanosleep+0x38c/0x550 [ 695.098128] [] ? vm_insert_page+0x6f0/0x6f0 [ 695.098134] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 695.098141] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 695.098148] [] __do_page_fault+0x403/0xa60 [ 695.098156] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 695.098163] [] ? bad_area_access_error+0x3a0/0x3a0 [ 695.098171] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 695.098177] [] do_page_fault+0x27/0x30 ** 9 printk messages dropped ** [ 695.098340] Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB ** 229 printk messages dropped ** [ 704.936028] [] ? check_preemption_disabled+0x3b/0x200 ** 100 printk messages dropped ** [ 704.985307] [] ? handle_mm_fault+0x1d4f/0x2350 [ 704.985314] [] handle_mm_fault+0x1326/0x2350 ** 2 printk messages dropped ** [ 704.985337] [] __do_page_fault+0x403/0xa60 ** 43 printk messages dropped ** [ 705.045779] [] __do_fault+0x223/0x500 [ 705.045786] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 705.045794] [] ? generic_file_readonly_mmap+0x190/0x190 [ 705.045801] [] handle_mm_fault+0x1326/0x2350 [ 705.045808] [] ? vm_insert_page+0x6f0/0x6f0 [ 705.045816] [] ? selinux_file_permission+0x82/0x470 [ 705.045825] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 705.045833] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 705.045842] [] __do_page_fault+0x403/0xa60 [ 705.045850] [] ? bad_area_access_error+0x3a0/0x3a0 [ 705.045860] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 705.045874] [] do_page_fault+0x27/0x30 [ 705.045882] [] page_fault+0x25/0x30 [ 705.045886] Mem-Info: [ 705.045902] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 705.045902] active_file:15 inactive_file:25 isolated_file:0 [ 705.045902] unevictable:0 dirty:0 writeback:0 unstable:0 [ 705.045902] slab_reclaimable:4630 slab_unreclaimable:56932 [ 705.045902] mapped:9 shmem:48 pagetables:358 bounce:0 [ 705.045902] free:5953 free_pcp:115 free_cma:0 [ 705.045915] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 705.045933] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 705.045960] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227388kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:340kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 705.046015] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 705.046063] 0 pages in swap cache [ 705.046067] Swap cache stats: add 0, delete 0, find 0/0 [ 705.046069] Free swap = 0kB [ 705.046071] Total swap = 0kB [ 705.046074] 1965979 pages RAM [ 705.046076] 0 pages HighMem/MovableOnly [ 705.046078] 313617 pages reserved [ 705.050849] syz-execprog: page allocation stalls for 50020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 705.050855] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 705.050867] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 705.050877] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 705.050888] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 705.050889] Call Trace: [ 705.050898] [] dump_stack+0xc1/0x128 [ 705.050906] [] warn_alloc.cold.31+0x7f/0x9c [ 705.050914] [] ? zone_watermark_ok_safe+0x250/0x250 [ 705.050922] [] ? shrink_node+0x740/0x740 [ 705.050931] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 705.050938] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 705.050947] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 705.050955] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 705.050962] [] ? find_get_entry+0x11a/0x570 [ 705.050970] [] ? find_get_entry+0x141/0x570 [ 705.050977] [] ? page_cache_prev_hole+0x80/0x80 [ 705.050984] [] ? trace_hardirqs_on+0x10/0x10 [ 705.050992] [] ? pagecache_get_page+0x131/0x710 [ 705.050999] [] filemap_fault+0xaf1/0x1110 [ 705.051007] [] ext4_filemap_fault+0x71/0xa0 [ 705.051014] [] __do_fault+0x223/0x500 [ 705.051020] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 705.051028] [] ? handle_mm_fault+0x1d4f/0x2350 [ 705.051035] [] handle_mm_fault+0x1326/0x2350 [ 705.051044] [] ? poll_select_set_timeout+0xb5/0x120 [ 705.051051] [] ? vm_insert_page+0x6f0/0x6f0 [ 705.051059] [] __do_page_fault+0x403/0xa60 [ 705.051067] [] ? __fget_light+0x169/0x1f0 [ 705.051074] [] ? bad_area_access_error+0x3a0/0x3a0 [ 705.051083] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 705.051089] [] do_page_fault+0x27/0x30 [ 705.051096] [] page_fault+0x25/0x30 [ 705.051099] Mem-Info: [ 705.051114] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 705.051114] active_file:15 inactive_file:25 isolated_file:0 [ 705.051114] unevictable:0 dirty:0 writeback:0 unstable:0 [ 705.051114] slab_reclaimable:4630 slab_unreclaimable:56932 [ 705.051114] mapped:9 shmem:48 pagetables:358 bounce:0 [ 705.051114] free:5953 free_pcp:115 free_cma:0 [ 705.051127] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 705.051145] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 705.051170] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227388kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:340kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 705.051224] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 705.051270] 0 pages in swap cache [ 705.051274] Swap cache stats: add 0, delete 0, find 0/0 [ 705.051276] Free swap = 0kB [ 705.051278] Total swap = 0kB [ 705.051280] 1965979 pages RAM [ 705.051282] 0 pages HighMem/MovableOnly [ 705.051284] 313617 pages reserved [ 705.071211] syz-executor.4: page allocation stalls for 50020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 705.071218] CPU: 0 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 705.071231] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 705.071242] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 705.071251] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 705.071253] Call Trace: [ 705.071263] [] dump_stack+0xc1/0x128 [ 705.071271] [] warn_alloc.cold.31+0x7f/0x9c [ 705.071280] [] ? zone_watermark_ok_safe+0x250/0x250 [ 705.071288] [] ? shrink_node+0x740/0x740 [ 705.071297] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 705.071304] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 705.071313] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 705.071321] [] ? check_preemption_disabled+0x3b/0x200 [ 705.071329] [] ? find_get_entry+0x11a/0x570 [ 705.071336] [] ? find_get_entry+0x141/0x570 [ 705.071343] [] ? page_cache_prev_hole+0x80/0x80 [ 705.071350] [] ? pagecache_get_page+0x131/0x710 [ 705.071358] [] filemap_fault+0xaf1/0x1110 [ 705.071366] [] ext4_filemap_fault+0x71/0xa0 [ 705.071372] [] __do_fault+0x223/0x500 [ 705.071379] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 705.071387] [] ? generic_file_readonly_mmap+0x190/0x190 [ 705.071394] [] handle_mm_fault+0x1326/0x2350 [ 705.071402] [] ? hrtimer_nanosleep+0x38c/0x550 [ 705.071409] [] ? vm_insert_page+0x6f0/0x6f0 [ 705.071417] [] ? compat_SyS_wait4+0x1e9/0x290 [ 705.071424] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 705.071432] [] ? put_compat_rusage+0x550/0x550 [ 705.071441] [] __do_page_fault+0x403/0xa60 [ 705.071449] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 705.071456] [] ? bad_area_access_error+0x3a0/0x3a0 [ 705.071464] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 705.071471] [] do_page_fault+0x27/0x30 [ 705.071478] [] page_fault+0x25/0x30 [ 705.071481] Mem-Info: [ 705.071497] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 705.071497] active_file:15 inactive_file:25 isolated_file:0 [ 705.071497] unevictable:0 dirty:0 writeback:0 unstable:0 [ 705.071497] slab_reclaimable:4630 slab_unreclaimable:56932 [ 705.071497] mapped:9 shmem:48 pagetables:358 bounce:0 [ 705.071497] free:5953 free_pcp:115 free_cma:0 [ 705.071510] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 705.071528] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 705.071553] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227388kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:340kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 705.071607] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 705.071653] 0 pages in swap cache [ 705.071656] Swap cache stats: add 0, delete 0, find 0/0 [ 705.071658] Free swap = 0kB [ 705.071660] Total swap = 0kB [ 705.071663] 1965979 pages RAM [ 705.071665] 0 pages HighMem/MovableOnly [ 705.071667] 313617 pages reserved [ 705.103761] syz-executor.3: page allocation stalls for 50040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 705.103769] CPU: 1 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 705.103785] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 705.103795] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 705.103805] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 705.103807] Call Trace: [ 705.103820] [] dump_stack+0xc1/0x128 [ 705.103830] [] warn_alloc.cold.31+0x7f/0x9c [ 705.103839] [] ? zone_watermark_ok_safe+0x250/0x250 [ 705.103847] [] ? shrink_node+0x740/0x740 [ 705.103856] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 705.103865] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 705.103873] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 705.103883] [] ? check_preemption_disabled+0x3b/0x200 [ 705.103890] [] ? find_get_entry+0x11a/0x570 [ 705.103897] [] ? find_get_entry+0x141/0x570 [ 705.103904] [] ? page_cache_prev_hole+0x80/0x80 [ 705.103912] [] ? autoremove_wake_function+0x40/0x40 [ 705.103920] [] ? pagecache_get_page+0x131/0x710 [ 705.103927] [] filemap_fault+0xaf1/0x1110 [ 705.103936] [] ext4_filemap_fault+0x71/0xa0 [ 705.103943] [] __do_fault+0x223/0x500 [ 705.103949] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 705.103957] [] ? handle_mm_fault+0x1d4f/0x2350 [ 705.103964] [] handle_mm_fault+0x1326/0x2350 [ 705.103972] [] ? hrtimer_nanosleep+0x38c/0x550 [ 705.103980] [] ? vm_insert_page+0x6f0/0x6f0 ** 14 printk messages dropped ** [ 705.104127] lowmem_reserve[]: 0 0 0 ** 98 printk messages dropped ** [ 705.331590] lowmem_reserve[]: 0 0 0 [ 705.331638] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB ** 243 printk messages dropped ** [ 714.980334] 6*32kB [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 714.980340] (UMH) [] ? radix_tree_lookup_slot+0x85/0xc0 [ 714.980347] 19*64kB [] ? find_get_entry+0x11a/0x570 ** 84 printk messages dropped ** [ 714.980638] Free swap = 0kB [ 714.980640] Total swap = 0kB [ 714.980642] 1965979 pages RAM [ 714.980644] 0 pages HighMem/MovableOnly [ 714.980646] 313617 pages reserved [ 715.012370] syz-execprog: page allocation stalls for 60020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 715.012378] CPU: 1 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 715.012391] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 715.012400] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 715.012408] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 715.012410] Call Trace: [ 715.012421] [] dump_stack+0xc1/0x128 [ 715.012429] [] warn_alloc.cold.31+0x7f/0x9c [ 715.012437] [] ? zone_watermark_ok_safe+0x250/0x250 [ 715.012444] [] ? shrink_node+0x740/0x740 [ 715.012453] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 715.012461] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 715.012469] [] ? check_preemption_disabled+0x3b/0x200 [ 715.012476] [] ? find_get_entry+0x11a/0x570 [ 715.012483] [] ? find_get_entry+0x141/0x570 [ 715.012489] [] ? page_cache_prev_hole+0x80/0x80 [ 715.012497] [] ? autoremove_wake_function+0x40/0x40 [ 715.012504] [] ? pagecache_get_page+0x131/0x710 [ 715.012510] [] filemap_fault+0xaf1/0x1110 [ 715.012518] [] ext4_filemap_fault+0x71/0xa0 [ 715.012524] [] __do_fault+0x223/0x500 [ 715.012530] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 715.012538] [] ? generic_file_readonly_mmap+0x190/0x190 [ 715.012544] [] handle_mm_fault+0x1326/0x2350 [ 715.012551] [] ? vm_insert_page+0x6f0/0x6f0 [ 715.012563] [] ? selinux_file_permission+0x82/0x470 [ 715.012571] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 715.012578] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 715.012586] [] __do_page_fault+0x403/0xa60 [ 715.012593] [] ? bad_area_access_error+0x3a0/0x3a0 [ 715.012601] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 715.012607] [] do_page_fault+0x27/0x30 [ 715.012615] [] page_fault+0x25/0x30 [ 715.012618] Mem-Info: [ 715.012633] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 715.012633] active_file:15 inactive_file:25 isolated_file:0 [ 715.012633] unevictable:0 dirty:0 writeback:0 unstable:0 [ 715.012633] slab_reclaimable:4630 slab_unreclaimable:56933 [ 715.012633] mapped:9 shmem:48 pagetables:358 bounce:0 [ 715.012633] free:5953 free_pcp:114 free_cma:0 [ 715.012645] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 715.012662] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 715.012685] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227392kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:336kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 715.012735] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 715.012776] 0 pages in swap cache [ 715.012780] Swap cache stats: add 0, delete 0, find 0/0 [ 715.012782] Free swap = 0kB [ 715.012783] Total swap = 0kB [ 715.012785] 1965979 pages RAM [ 715.012788] 0 pages HighMem/MovableOnly [ 715.012790] 313617 pages reserved [ 715.074731] syz-execprog: page allocation stalls for 60040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 715.074739] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 715.074754] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 715.074764] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 715.074774] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 715.074775] Call Trace: [ 715.074789] [] dump_stack+0xc1/0x128 [ 715.074798] [] warn_alloc.cold.31+0x7f/0x9c [ 715.074807] [] ? zone_watermark_ok_safe+0x250/0x250 [ 715.074815] [] ? shrink_node+0x740/0x740 [ 715.074824] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 715.074832] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 715.074841] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 715.074850] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 715.074857] [] ? find_get_entry+0x11a/0x570 [ 715.074864] [] ? find_get_entry+0x141/0x570 [ 715.074871] [] ? page_cache_prev_hole+0x80/0x80 [ 715.074878] [] ? trace_hardirqs_on+0x10/0x10 [ 715.074885] [] ? pagecache_get_page+0x131/0x710 [ 715.074893] [] filemap_fault+0xaf1/0x1110 [ 715.074902] [] ext4_filemap_fault+0x71/0xa0 [ 715.074909] [] __do_fault+0x223/0x500 [ 715.074916] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 715.074923] [] ? handle_mm_fault+0x1d4f/0x2350 [ 715.074931] [] handle_mm_fault+0x1326/0x2350 [ 715.074940] [] ? poll_select_set_timeout+0xb5/0x120 [ 715.074947] [] ? vm_insert_page+0x6f0/0x6f0 [ 715.074957] [] __do_page_fault+0x403/0xa60 [ 715.074964] [] ? __fget_light+0x169/0x1f0 [ 715.074972] [] ? bad_area_access_error+0x3a0/0x3a0 [ 715.074982] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 715.074989] [] do_page_fault+0x27/0x30 [ 715.074997] [] page_fault+0x25/0x30 [ 715.075001] Mem-Info: [ 715.075018] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 715.075018] active_file:15 inactive_file:25 isolated_file:0 [ 715.075018] unevictable:0 dirty:0 writeback:0 unstable:0 [ 715.075018] slab_reclaimable:4630 slab_unreclaimable:56933 [ 715.075018] mapped:9 shmem:48 pagetables:358 bounce:0 [ 715.075018] free:5953 free_pcp:114 free_cma:0 [ 715.075031] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 715.075048] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 715.075070] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227392kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:336kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 715.075125] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 715.075171] 0 pages in swap cache [ 715.075175] Swap cache stats: add 0, delete 0, find 0/0 [ 715.075177] Free swap = 0kB [ 715.075179] Total swap = 0kB [ 715.075181] 1965979 pages RAM [ 715.075183] 0 pages HighMem/MovableOnly [ 715.075185] 313617 pages reserved [ 715.089324] syz-executor.3: page allocation stalls for 60030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 715.089331] CPU: 1 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 715.089344] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 715.089354] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 715.089364] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 715.089366] Call Trace: [ 715.089376] [] dump_stack+0xc1/0x128 [ 715.089385] [] warn_alloc.cold.31+0x7f/0x9c [ 715.089394] [] ? zone_watermark_ok_safe+0x250/0x250 [ 715.089402] [] ? shrink_node+0x740/0x740 [ 715.089411] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 715.089418] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 715.089427] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 715.089436] [] ? check_preemption_disabled+0x3b/0x200 [ 715.089443] [] ? find_get_entry+0x11a/0x570 [ 715.089451] [] ? find_get_entry+0x141/0x570 [ 715.089457] [] ? page_cache_prev_hole+0x80/0x80 [ 715.089466] [] ? autoremove_wake_function+0x40/0x40 [ 715.089473] [] ? pagecache_get_page+0x131/0x710 [ 715.089481] [] filemap_fault+0xaf1/0x1110 [ 715.089489] [] ext4_filemap_fault+0x71/0xa0 [ 715.089496] [] __do_fault+0x223/0x500 [ 715.089503] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 715.089510] [] ? handle_mm_fault+0x1d4f/0x2350 [ 715.089517] [] handle_mm_fault+0x1326/0x2350 [ 715.089525] [] ? hrtimer_nanosleep+0x38c/0x550 [ 715.089532] [] ? vm_insert_page+0x6f0/0x6f0 [ 715.089540] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 715.089546] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 715.089559] [] __do_page_fault+0x403/0xa60 [ 715.089568] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 715.089575] [] ? bad_area_access_error+0x3a0/0x3a0 [ 715.089584] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 715.089591] [] do_page_fault+0x27/0x30 [ 715.089598] [] page_fault+0x25/0x30 [ 715.089602] Mem-Info: [ 715.089617] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 715.089617] active_file:15 inactive_file:25 isolated_file:0 [ 715.089617] unevictable:0 dirty:0 writeback:0 unstable:0 [ 715.089617] slab_reclaimable:4630 slab_unreclaimable:56933 [ 715.089617] mapped:9 shmem:48 pagetables:358 bounce:0 [ 715.089617] free:5953 free_pcp:114 free_cma:0 [ 715.089630] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 715.089648] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 715.089674] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227392kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:336kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 715.089728] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 715.089774] 0 pages in swap cache [ 715.089778] Swap cache stats: add 0, delete 0, find 0/0 ** 22 printk messages dropped ** [ 715.105787] [] ? pagecache_get_page+0x131/0x710 ** 224 printk messages dropped ** [ 723.230851] [] ? hrtimer_nanosleep+0x38c/0x550 ** 47 printk messages dropped ** [ 724.924316] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes ** 97 printk messages dropped ** [ 724.986114] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 724.986114] active_file:15 inactive_file:25 isolated_file:0 [ 724.986114] unevictable:0 dirty:0 writeback:0 unstable:0 [ 724.986114] slab_reclaimable:4630 slab_unreclaimable:56934 [ 724.986114] mapped:9 shmem:48 pagetables:358 bounce:0 [ 724.986114] free:5953 free_pcp:113 free_cma:0 ** 1 printk messages dropped ** [ 724.986145] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 724.986171] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 724.986225] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 724.986271] 0 pages in swap cache [ 724.986274] Swap cache stats: add 0, delete 0, find 0/0 [ 724.986276] Free swap = 0kB [ 724.986278] Total swap = 0kB [ 724.986281] 1965979 pages RAM [ 724.986283] 0 pages HighMem/MovableOnly [ 724.986285] 313617 pages reserved [ 725.020098] syz-execprog: page allocation stalls for 70030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 725.020105] CPU: 1 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 725.020119] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 725.020129] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 725.020139] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 725.020141] Call Trace: [ 725.020153] [] dump_stack+0xc1/0x128 [ 725.020161] [] warn_alloc.cold.31+0x7f/0x9c [ 725.020170] [] ? zone_watermark_ok_safe+0x250/0x250 [ 725.020178] [] ? shrink_node+0x740/0x740 [ 725.020187] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 725.020196] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 725.020205] [] ? check_preemption_disabled+0x3b/0x200 [ 725.020213] [] ? find_get_entry+0x11a/0x570 [ 725.020220] [] ? find_get_entry+0x141/0x570 [ 725.020227] [] ? page_cache_prev_hole+0x80/0x80 [ 725.020235] [] ? autoremove_wake_function+0x40/0x40 [ 725.020243] [] ? pagecache_get_page+0x131/0x710 [ 725.020250] [] filemap_fault+0xaf1/0x1110 [ 725.020258] [] ext4_filemap_fault+0x71/0xa0 [ 725.020265] [] __do_fault+0x223/0x500 [ 725.020272] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 725.020280] [] ? generic_file_readonly_mmap+0x190/0x190 [ 725.020287] [] handle_mm_fault+0x1326/0x2350 [ 725.020294] [] ? vm_insert_page+0x6f0/0x6f0 [ 725.020302] [] ? selinux_file_permission+0x82/0x470 [ 725.020311] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 725.020318] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 725.020327] [] __do_page_fault+0x403/0xa60 [ 725.020334] [] ? bad_area_access_error+0x3a0/0x3a0 [ 725.020343] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.020350] [] do_page_fault+0x27/0x30 [ 725.020357] [] page_fault+0x25/0x30 [ 725.020360] Mem-Info: [ 725.020377] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 725.020377] active_file:15 inactive_file:25 isolated_file:0 [ 725.020377] unevictable:0 dirty:0 writeback:0 unstable:0 [ 725.020377] slab_reclaimable:4630 slab_unreclaimable:56934 [ 725.020377] mapped:9 shmem:48 pagetables:358 bounce:0 [ 725.020377] free:5953 free_pcp:113 free_cma:0 [ 725.020390] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 725.020408] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 725.020433] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 725.020493] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 725.020540] 0 pages in swap cache [ 725.020544] Swap cache stats: add 0, delete 0, find 0/0 [ 725.020546] Free swap = 0kB [ 725.020548] Total swap = 0kB [ 725.020550] 1965979 pages RAM [ 725.020552] 0 pages HighMem/MovableOnly [ 725.020555] 313617 pages reserved [ 725.039707] syz-execprog: page allocation stalls for 70010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 725.039714] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 725.039726] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 725.039736] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 725.039746] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 725.039747] Call Trace: [ 725.039757] [] dump_stack+0xc1/0x128 [ 725.039765] [] warn_alloc.cold.31+0x7f/0x9c [ 725.039773] [] ? zone_watermark_ok_safe+0x250/0x250 [ 725.039781] [] ? shrink_node+0x740/0x740 [ 725.039790] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 725.039797] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 725.039806] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 725.039814] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 725.039821] [] ? find_get_entry+0x11a/0x570 [ 725.039829] [] ? find_get_entry+0x141/0x570 [ 725.039835] [] ? page_cache_prev_hole+0x80/0x80 [ 725.039844] [] ? trace_hardirqs_on+0x10/0x10 [ 725.039851] [] ? pagecache_get_page+0x131/0x710 [ 725.039858] [] filemap_fault+0xaf1/0x1110 [ 725.039866] [] ext4_filemap_fault+0x71/0xa0 [ 725.039873] [] __do_fault+0x223/0x500 [ 725.039879] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 725.039887] [] ? handle_mm_fault+0x1d4f/0x2350 [ 725.039894] [] handle_mm_fault+0x1326/0x2350 [ 725.039903] [] ? poll_select_set_timeout+0xb5/0x120 [ 725.039910] [] ? vm_insert_page+0x6f0/0x6f0 [ 725.039919] [] __do_page_fault+0x403/0xa60 [ 725.039927] [] ? __fget_light+0x169/0x1f0 [ 725.039934] [] ? bad_area_access_error+0x3a0/0x3a0 [ 725.039943] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.039950] [] do_page_fault+0x27/0x30 [ 725.039957] [] page_fault+0x25/0x30 [ 725.039960] Mem-Info: [ 725.039976] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 725.039976] active_file:15 inactive_file:25 isolated_file:0 [ 725.039976] unevictable:0 dirty:0 writeback:0 unstable:0 [ 725.039976] slab_reclaimable:4630 slab_unreclaimable:56934 [ 725.039976] mapped:9 shmem:48 pagetables:358 bounce:0 [ 725.039976] free:5953 free_pcp:113 free_cma:0 [ 725.039989] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 725.040006] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 725.040032] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 725.040086] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 725.040133] 0 pages in swap cache [ 725.040136] Swap cache stats: add 0, delete 0, find 0/0 [ 725.040138] Free swap = 0kB [ 725.040141] Total swap = 0kB [ 725.040143] 1965979 pages RAM [ 725.040145] 0 pages HighMem/MovableOnly [ 725.040147] 313617 pages reserved [ 725.070597] syz-executor.4: page allocation stalls for 70020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 725.070604] CPU: 0 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 725.070617] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 725.070627] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 725.070636] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 725.070638] Call Trace: [ 725.070649] [] dump_stack+0xc1/0x128 [ 725.070657] [] warn_alloc.cold.31+0x7f/0x9c [ 725.070665] [] ? zone_watermark_ok_safe+0x250/0x250 [ 725.070673] [] ? shrink_node+0x740/0x740 [ 725.070682] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 725.070690] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 725.070699] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 725.070707] [] ? check_preemption_disabled+0x3b/0x200 [ 725.070714] [] ? find_get_entry+0x11a/0x570 [ 725.070722] [] ? find_get_entry+0x141/0x570 [ 725.070728] [] ? page_cache_prev_hole+0x80/0x80 [ 725.070736] [] ? pagecache_get_page+0x131/0x710 [ 725.070743] [] filemap_fault+0xaf1/0x1110 [ 725.070753] [] ext4_filemap_fault+0x71/0xa0 [ 725.070759] [] __do_fault+0x223/0x500 [ 725.070766] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 725.070774] [] ? generic_file_readonly_mmap+0x190/0x190 [ 725.070781] [] handle_mm_fault+0x1326/0x2350 [ 725.070788] [] ? hrtimer_nanosleep+0x38c/0x550 [ 725.070795] [] ? vm_insert_page+0x6f0/0x6f0 [ 725.070803] [] ? compat_SyS_wait4+0x1e9/0x290 [ 725.070810] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 725.070818] [] ? put_compat_rusage+0x550/0x550 [ 725.070826] [] __do_page_fault+0x403/0xa60 [ 725.070834] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 725.070842] [] ? bad_area_access_error+0x3a0/0x3a0 [ 725.070864] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.070871] [] do_page_fault+0x27/0x30 [ 725.070878] [] page_fault+0x25/0x30 [ 725.070882] Mem-Info: [ 725.070897] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 725.070897] active_file:15 inactive_file:25 isolated_file:0 [ 725.070897] unevictable:0 dirty:0 writeback:0 unstable:0 [ 725.070897] slab_reclaimable:4630 slab_unreclaimable:56934 [ 725.070897] mapped:9 shmem:48 pagetables:358 bounce:0 [ 725.070897] free:5953 free_pcp:113 free_cma:0 [ 725.070910] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 725.070928] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 725.070954] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:240kB free_cma:0kB ** 298 printk messages dropped ** [ 734.918286] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 98 printk messages dropped ** [ 734.989804] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 2 printk messages dropped ** [ 734.989837] lowmem_reserve[]: 0 0 0 [ 734.989884] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 734.989928] 0 pages in swap cache [ 734.989932] Swap cache stats: add 0, delete 0, find 0/0 [ 734.989934] Free swap = 0kB [ 734.989936] Total swap = 0kB [ 734.989938] 1965979 pages RAM [ 734.989941] 0 pages HighMem/MovableOnly [ 734.989943] 313617 pages reserved [ 735.029232] syz-execprog: page allocation stalls for 80040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 735.029239] CPU: 1 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 735.029252] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 735.029261] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 735.029270] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 735.029271] Call Trace: [ 735.029285] [] dump_stack+0xc1/0x128 [ 735.029293] [] warn_alloc.cold.31+0x7f/0x9c [ 735.029302] [] ? zone_watermark_ok_safe+0x250/0x250 [ 735.029310] [] ? shrink_node+0x740/0x740 [ 735.029318] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 735.029326] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 735.029335] [] ? check_preemption_disabled+0x3b/0x200 [ 735.029342] [] ? find_get_entry+0x11a/0x570 [ 735.029348] [] ? find_get_entry+0x141/0x570 [ 735.029355] [] ? page_cache_prev_hole+0x80/0x80 [ 735.029363] [] ? autoremove_wake_function+0x40/0x40 [ 735.029369] [] ? pagecache_get_page+0x131/0x710 [ 735.029376] [] filemap_fault+0xaf1/0x1110 [ 735.029384] [] ext4_filemap_fault+0x71/0xa0 [ 735.029390] [] __do_fault+0x223/0x500 [ 735.029396] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 735.029404] [] ? generic_file_readonly_mmap+0x190/0x190 [ 735.029410] [] handle_mm_fault+0x1326/0x2350 [ 735.029421] [] ? vm_insert_page+0x6f0/0x6f0 [ 735.029430] [] ? selinux_file_permission+0x82/0x470 [ 735.029439] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 735.029446] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 735.029454] [] __do_page_fault+0x403/0xa60 [ 735.029461] [] ? bad_area_access_error+0x3a0/0x3a0 [ 735.029469] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 735.029475] [] do_page_fault+0x27/0x30 [ 735.029483] [] page_fault+0x25/0x30 [ 735.029486] Mem-Info: [ 735.029501] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 735.029501] active_file:15 inactive_file:25 isolated_file:0 [ 735.029501] unevictable:0 dirty:0 writeback:0 unstable:0 [ 735.029501] slab_reclaimable:4630 slab_unreclaimable:56934 [ 735.029501] mapped:9 shmem:48 pagetables:358 bounce:0 [ 735.029501] free:5953 free_pcp:113 free_cma:0 [ 735.029512] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 735.029529] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 735.029553] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 735.029602] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 735.029644] 0 pages in swap cache [ 735.029648] Swap cache stats: add 0, delete 0, find 0/0 [ 735.029650] Free swap = 0kB [ 735.029651] Total swap = 0kB [ 735.029654] 1965979 pages RAM [ 735.029656] 0 pages HighMem/MovableOnly [ 735.029658] 313617 pages reserved [ 735.054445] syz-execprog: page allocation stalls for 80020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 735.054453] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 735.054467] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 735.054477] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 735.054487] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 735.054489] Call Trace: [ 735.054502] [] dump_stack+0xc1/0x128 [ 735.054511] [] warn_alloc.cold.31+0x7f/0x9c [ 735.054519] [] ? zone_watermark_ok_safe+0x250/0x250 [ 735.054528] [] ? shrink_node+0x740/0x740 [ 735.054537] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 735.054545] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 735.054553] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 735.054561] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 735.054568] [] ? find_get_entry+0x11a/0x570 [ 735.054575] [] ? find_get_entry+0x141/0x570 [ 735.054583] [] ? page_cache_prev_hole+0x80/0x80 [ 735.054590] [] ? trace_hardirqs_on+0x10/0x10 [ 735.054598] [] ? pagecache_get_page+0x131/0x710 [ 735.054605] [] filemap_fault+0xaf1/0x1110 [ 735.054614] [] ext4_filemap_fault+0x71/0xa0 [ 735.054620] [] __do_fault+0x223/0x500 [ 735.054627] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 735.054634] [] ? handle_mm_fault+0x1d4f/0x2350 [ 735.054641] [] handle_mm_fault+0x1326/0x2350 [ 735.054650] [] ? poll_select_set_timeout+0xb5/0x120 [ 735.054657] [] ? vm_insert_page+0x6f0/0x6f0 [ 735.054667] [] __do_page_fault+0x403/0xa60 [ 735.054674] [] ? __fget_light+0x169/0x1f0 [ 735.054682] [] ? bad_area_access_error+0x3a0/0x3a0 [ 735.054691] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 735.054698] [] do_page_fault+0x27/0x30 [ 735.054706] [] page_fault+0x25/0x30 [ 735.054709] Mem-Info: [ 735.054725] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 735.054725] active_file:15 inactive_file:25 isolated_file:0 [ 735.054725] unevictable:0 dirty:0 writeback:0 unstable:0 [ 735.054725] slab_reclaimable:4630 slab_unreclaimable:56934 [ 735.054725] mapped:9 shmem:48 pagetables:358 bounce:0 [ 735.054725] free:5953 free_pcp:113 free_cma:0 [ 735.054738] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 735.054755] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 735.054781] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 735.054835] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 735.054881] 0 pages in swap cache [ 735.054885] Swap cache stats: add 0, delete 0, find 0/0 [ 735.054887] Free swap = 0kB [ 735.054889] Total swap = 0kB [ 735.054891] 1965979 pages RAM [ 735.054893] 0 pages HighMem/MovableOnly [ 735.054895] 313617 pages reserved [ 735.065835] syz-executor.4: page allocation stalls for 80010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 735.065843] CPU: 0 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 735.065856] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 735.065867] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 735.065877] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 735.065878] Call Trace: [ 735.065889] [] dump_stack+0xc1/0x128 [ 735.065897] [] warn_alloc.cold.31+0x7f/0x9c [ 735.065905] [] ? zone_watermark_ok_safe+0x250/0x250 [ 735.065924] [] ? shrink_node+0x740/0x740 [ 735.065933] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 735.065941] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 735.065950] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 735.065958] [] ? check_preemption_disabled+0x3b/0x200 [ 735.065965] [] ? find_get_entry+0x11a/0x570 [ 735.065972] [] ? find_get_entry+0x141/0x570 [ 735.065979] [] ? page_cache_prev_hole+0x80/0x80 [ 735.065987] [] ? pagecache_get_page+0x131/0x710 [ 735.065994] [] filemap_fault+0xaf1/0x1110 [ 735.066003] [] ext4_filemap_fault+0x71/0xa0 [ 735.066009] [] __do_fault+0x223/0x500 [ 735.066016] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 735.066024] [] ? generic_file_readonly_mmap+0x190/0x190 [ 735.066032] [] handle_mm_fault+0x1326/0x2350 [ 735.066040] [] ? hrtimer_nanosleep+0x38c/0x550 [ 735.066047] [] ? vm_insert_page+0x6f0/0x6f0 [ 735.066056] [] ? compat_SyS_wait4+0x1e9/0x290 [ 735.066063] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 735.066071] [] ? put_compat_rusage+0x550/0x550 [ 735.066080] [] __do_page_fault+0x403/0xa60 [ 735.066088] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 735.066095] [] ? bad_area_access_error+0x3a0/0x3a0 [ 735.066104] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 735.066111] [] do_page_fault+0x27/0x30 [ 735.066118] [] page_fault+0x25/0x30 [ 735.066121] Mem-Info: [ 735.066137] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 735.066137] active_file:15 inactive_file:25 isolated_file:0 [ 735.066137] unevictable:0 dirty:0 writeback:0 unstable:0 [ 735.066137] slab_reclaimable:4630 slab_unreclaimable:56934 [ 735.066137] mapped:9 shmem:48 pagetables:358 bounce:0 [ 735.066137] free:5953 free_pcp:113 free_cma:0 [ 735.066150] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 735.066168] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 735.066194] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 735.066248] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB ** 64 printk messages dropped ** [ 735.150625] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801caaff908 ** 229 printk messages dropped ** [ 744.933782] lowmem_reserve[]: 0 3505 3505 ** 50 printk messages dropped ** [ 744.979289] lowmem_reserve[]: 0 3505 3505 [ 744.979307] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:92kB free_cma:0kB ** 48 printk messages dropped ** [ 745.011598] lowmem_reserve[]: 0 3505 3505 [ 745.011617] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 745.011672] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 745.011718] 0 pages in swap cache [ 745.011722] Swap cache stats: add 0, delete 0, find 0/0 [ 745.011724] Free swap = 0kB [ 745.011726] Total swap = 0kB [ 745.011728] 1965979 pages RAM [ 745.011731] 0 pages HighMem/MovableOnly [ 745.011733] 313617 pages reserved [ 745.018555] syz-executor.2: page allocation stalls for 90050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 745.018562] CPU: 1 PID: 2177 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 745.018574] ffff8801ca6277c0 ffffffff81b42e79 1ffff100394c4efa ffff8801ca45c740 [ 745.018584] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca627908 [ 745.018594] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 745.018596] Call Trace: [ 745.018605] [] dump_stack+0xc1/0x128 [ 745.018613] [] warn_alloc.cold.31+0x7f/0x9c [ 745.018621] [] ? zone_watermark_ok_safe+0x250/0x250 [ 745.018629] [] ? shrink_node+0x740/0x740 [ 745.018638] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 745.018645] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 745.018653] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 745.018661] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 745.018669] [] ? find_get_entry+0x11a/0x570 [ 745.018676] [] ? find_get_entry+0x141/0x570 [ 745.018683] [] ? page_cache_prev_hole+0x80/0x80 [ 745.018691] [] ? pagecache_get_page+0x131/0x710 [ 745.018698] [] filemap_fault+0xaf1/0x1110 [ 745.018706] [] ext4_filemap_fault+0x71/0xa0 [ 745.018712] [] __do_fault+0x223/0x500 [ 745.018719] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 745.018726] [] ? handle_mm_fault+0x1d4f/0x2350 [ 745.018735] [] handle_mm_fault+0x1326/0x2350 [ 745.018743] [] ? vm_insert_page+0x6f0/0x6f0 [ 745.018751] [] ? putname+0xe0/0x110 [ 745.018759] [] __do_page_fault+0x403/0xa60 [ 745.018766] [] ? bad_area_access_error+0x3a0/0x3a0 [ 745.018775] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 745.018782] [] do_page_fault+0x27/0x30 [ 745.018789] [] page_fault+0x25/0x30 [ 745.018792] Mem-Info: [ 745.018807] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 745.018807] active_file:15 inactive_file:25 isolated_file:0 [ 745.018807] unevictable:0 dirty:0 writeback:0 unstable:0 [ 745.018807] slab_reclaimable:4630 slab_unreclaimable:56934 [ 745.018807] mapped:9 shmem:48 pagetables:358 bounce:0 [ 745.018807] free:5953 free_pcp:113 free_cma:0 [ 745.018820] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 745.018837] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 745.018863] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 745.018918] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 745.018963] 0 pages in swap cache [ 745.018967] Swap cache stats: add 0, delete 0, find 0/0 [ 745.018969] Free swap = 0kB [ 745.018971] Total swap = 0kB [ 745.018974] 1965979 pages RAM [ 745.018976] 0 pages HighMem/MovableOnly [ 745.018978] 313617 pages reserved [ 745.071147] syz-executor.4: page allocation stalls for 90020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 745.071155] CPU: 0 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 745.071170] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 745.071180] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 745.071190] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 745.071192] Call Trace: [ 745.071206] [] dump_stack+0xc1/0x128 [ 745.071214] [] warn_alloc.cold.31+0x7f/0x9c [ 745.071222] [] ? zone_watermark_ok_safe+0x250/0x250 [ 745.071231] [] ? shrink_node+0x740/0x740 ** 4 printk messages dropped ** [ 745.071270] [] ? find_get_entry+0x11a/0x570 [ 745.071277] [] ? find_get_entry+0x141/0x570 [ 745.071284] [] ? page_cache_prev_hole+0x80/0x80 [ 745.071292] [] ? pagecache_get_page+0x131/0x710 [ 745.071299] [] filemap_fault+0xaf1/0x1110 [ 745.071308] [] ext4_filemap_fault+0x71/0xa0 [ 745.071315] [] __do_fault+0x223/0x500 [ 745.071322] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 745.071330] [] ? generic_file_readonly_mmap+0x190/0x190 [ 745.071337] [] handle_mm_fault+0x1326/0x2350 [ 745.071345] [] ? hrtimer_nanosleep+0x38c/0x550 [ 745.071352] [] ? vm_insert_page+0x6f0/0x6f0 [ 745.071360] [] ? compat_SyS_wait4+0x1e9/0x290 [ 745.071367] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 745.071374] [] ? put_compat_rusage+0x550/0x550 [ 745.071383] [] __do_page_fault+0x403/0xa60 [ 745.071391] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 745.071398] [] ? bad_area_access_error+0x3a0/0x3a0 [ 745.071407] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 745.071414] [] do_page_fault+0x27/0x30 [ 745.071422] [] page_fault+0x25/0x30 [ 745.071425] Mem-Info: [ 745.071441] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 745.071441] active_file:15 inactive_file:25 isolated_file:0 [ 745.071441] unevictable:0 dirty:0 writeback:0 unstable:0 [ 745.071441] slab_reclaimable:4630 slab_unreclaimable:56934 [ 745.071441] mapped:9 shmem:48 pagetables:358 bounce:0 [ 745.071441] free:5953 free_pcp:113 free_cma:0 [ 745.071454] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 745.071472] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 745.071498] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 745.071553] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 745.071599] 0 pages in swap cache [ 745.071603] Swap cache stats: add 0, delete 0, find 0/0 [ 745.071605] Free swap = 0kB [ 745.071607] Total swap = 0kB [ 745.071609] 1965979 pages RAM [ 745.071611] 0 pages HighMem/MovableOnly [ 745.071613] 313617 pages reserved [ 745.075187] syz-executor.3: page allocation stalls for 90010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 745.075194] CPU: 1 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 745.075206] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 745.075216] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 745.075230] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 745.075232] Call Trace: [ 745.075241] [] dump_stack+0xc1/0x128 [ 745.075248] [] warn_alloc.cold.31+0x7f/0x9c [ 745.075256] [] ? zone_watermark_ok_safe+0x250/0x250 [ 745.075264] [] ? shrink_node+0x740/0x740 [ 745.075273] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 745.075280] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 745.075289] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 745.075297] [] ? check_preemption_disabled+0x3b/0x200 [ 745.075304] [] ? find_get_entry+0x11a/0x570 [ 745.075311] [] ? find_get_entry+0x141/0x570 [ 745.075318] [] ? page_cache_prev_hole+0x80/0x80 [ 745.075327] [] ? autoremove_wake_function+0x40/0x40 [ 745.075335] [] ? pagecache_get_page+0x131/0x710 [ 745.075342] [] filemap_fault+0xaf1/0x1110 [ 745.075350] [] ext4_filemap_fault+0x71/0xa0 [ 745.075357] [] __do_fault+0x223/0x500 [ 745.075363] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 10 printk messages dropped ** [ 745.075445] [] do_page_fault+0x27/0x30 [ 745.075452] [] page_fault+0x25/0x30 [ 745.075455] Mem-Info: [ 745.075470] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 745.075470] active_file:15 inactive_file:25 isolated_file:0 [ 745.075470] unevictable:0 dirty:0 writeback:0 unstable:0 [ 745.075470] slab_reclaimable:4630 slab_unreclaimable:56934 [ 745.075470] mapped:9 shmem:48 pagetables:358 bounce:0 [ 745.075470] free:5953 free_pcp:113 free_cma:0 [ 745.075483] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 745.075500] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 745.075526] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 745.075580] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 745.075626] 0 pages in swap cache [ 745.075630] Swap cache stats: add 0, delete 0, find 0/0 [ 745.075632] Free swap = 0kB [ 745.075634] Total swap = 0kB [ 745.075636] 1965979 pages RAM [ 745.075638] 0 pages HighMem/MovableOnly ** 36 printk messages dropped ** [ 745.080242] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes ** 309 printk messages dropped ** [ 755.027105] ffff8801ca6277c0 ffffffff81b42e79 1ffff100394c4efa ffff8801ca45c740 [ 755.027115] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca627908 [ 755.027125] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 47 printk messages dropped ** [ 755.041202] Swap cache stats: add 0, delete 0, find 0/0 [ 755.041204] Free swap = 0kB [ 755.041206] Total swap = 0kB [ 755.041208] 1965979 pages RAM [ 755.041210] 0 pages HighMem/MovableOnly [ 755.041212] 313617 pages reserved [ 755.060012] syz-execprog: page allocation stalls for 100030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 755.060019] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 755.060033] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 755.060043] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 755.060053] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 755.060054] Call Trace: [ 755.060066] [] dump_stack+0xc1/0x128 [ 755.060074] [] warn_alloc.cold.31+0x7f/0x9c [ 755.060083] [] ? zone_watermark_ok_safe+0x250/0x250 [ 755.060091] [] ? shrink_node+0x740/0x740 [ 755.060100] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 755.060107] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 755.060116] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 755.060124] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 755.060132] [] ? find_get_entry+0x11a/0x570 [ 755.060139] [] ? find_get_entry+0x141/0x570 [ 755.060146] [] ? page_cache_prev_hole+0x80/0x80 [ 755.060154] [] ? trace_hardirqs_on+0x10/0x10 [ 755.060161] [] ? pagecache_get_page+0x131/0x710 [ 755.060169] [] filemap_fault+0xaf1/0x1110 [ 755.060177] [] ext4_filemap_fault+0x71/0xa0 [ 755.060184] [] __do_fault+0x223/0x500 [ 755.060191] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 755.060198] [] ? handle_mm_fault+0x1d4f/0x2350 [ 755.060205] [] handle_mm_fault+0x1326/0x2350 [ 755.060214] [] ? poll_select_set_timeout+0xb5/0x120 [ 755.060221] [] ? vm_insert_page+0x6f0/0x6f0 [ 755.060230] [] __do_page_fault+0x403/0xa60 [ 755.060237] [] ? __fget_light+0x169/0x1f0 [ 755.060245] [] ? bad_area_access_error+0x3a0/0x3a0 [ 755.060253] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 755.060260] [] do_page_fault+0x27/0x30 [ 755.060267] [] page_fault+0x25/0x30 [ 755.060271] Mem-Info: [ 755.060287] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 755.060287] active_file:15 inactive_file:25 isolated_file:0 [ 755.060287] unevictable:0 dirty:0 writeback:0 unstable:0 [ 755.060287] slab_reclaimable:4630 slab_unreclaimable:56934 [ 755.060287] mapped:9 shmem:48 pagetables:358 bounce:0 [ 755.060287] free:5953 free_pcp:113 free_cma:0 [ 755.060300] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 755.060317] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 755.060343] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 755.060397] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 755.060443] 0 pages in swap cache [ 755.060446] Swap cache stats: add 0, delete 0, find 0/0 [ 755.060449] Free swap = 0kB [ 755.060451] Total swap = 0kB [ 755.060453] 1965979 pages RAM [ 755.060455] 0 pages HighMem/MovableOnly [ 755.060457] 313617 pages reserved [ 755.064571] syz-executor.4: page allocation stalls for 100010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 755.064578] CPU: 0 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 755.064591] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 755.064601] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 755.064611] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 755.064612] Call Trace: [ 755.064621] [] dump_stack+0xc1/0x128 [ 755.064629] [] warn_alloc.cold.31+0x7f/0x9c [ 755.064637] [] ? zone_watermark_ok_safe+0x250/0x250 [ 755.064645] [] ? shrink_node+0x740/0x740 [ 755.064654] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 755.064661] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 755.064669] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 755.064678] [] ? check_preemption_disabled+0x3b/0x200 [ 755.064685] [] ? find_get_entry+0x11a/0x570 [ 755.064692] [] ? find_get_entry+0x141/0x570 [ 755.064699] [] ? page_cache_prev_hole+0x80/0x80 [ 755.064707] [] ? pagecache_get_page+0x131/0x710 [ 755.064714] [] filemap_fault+0xaf1/0x1110 [ 755.064722] [] ext4_filemap_fault+0x71/0xa0 [ 755.064728] [] __do_fault+0x223/0x500 [ 755.064735] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 755.064743] [] ? generic_file_readonly_mmap+0x190/0x190 [ 755.064750] [] handle_mm_fault+0x1326/0x2350 [ 755.064759] [] ? hrtimer_nanosleep+0x38c/0x550 [ 755.064766] [] ? vm_insert_page+0x6f0/0x6f0 [ 755.064774] [] ? compat_SyS_wait4+0x1e9/0x290 [ 755.064781] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 755.064789] [] ? put_compat_rusage+0x550/0x550 [ 755.064797] [] __do_page_fault+0x403/0xa60 [ 755.064805] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 755.064813] [] ? bad_area_access_error+0x3a0/0x3a0 [ 755.064821] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 755.064828] [] do_page_fault+0x27/0x30 [ 755.064835] [] page_fault+0x25/0x30 [ 755.064838] Mem-Info: [ 755.064853] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 755.064853] active_file:15 inactive_file:25 isolated_file:0 [ 755.064853] unevictable:0 dirty:0 writeback:0 unstable:0 [ 755.064853] slab_reclaimable:4630 slab_unreclaimable:56934 [ 755.064853] mapped:9 shmem:48 pagetables:358 bounce:0 [ 755.064853] free:5953 free_pcp:113 free_cma:0 [ 755.064866] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 755.064884] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 755.064909] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 755.064963] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 755.065008] 0 pages in swap cache [ 755.065012] Swap cache stats: add 0, delete 0, find 0/0 [ 755.065014] Free swap = 0kB [ 755.065016] Total swap = 0kB [ 755.065018] 1965979 pages RAM [ 755.065020] 0 pages HighMem/MovableOnly [ 755.065022] 313617 pages reserved [ 755.069778] syz-executor.3: page allocation stalls for 100010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 755.069784] CPU: 1 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 755.069796] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 755.069806] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 755.069816] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 755.069817] Call Trace: [ 755.069826] [] dump_stack+0xc1/0x128 [ 755.069834] [] warn_alloc.cold.31+0x7f/0x9c [ 755.069842] [] ? zone_watermark_ok_safe+0x250/0x250 [ 755.069850] [] ? shrink_node+0x740/0x740 [ 755.069859] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 755.069866] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 755.069875] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 755.069882] [] ? check_preemption_disabled+0x3b/0x200 [ 755.069889] [] ? find_get_entry+0x11a/0x570 [ 755.069897] [] ? find_get_entry+0x141/0x570 [ 755.069904] [] ? page_cache_prev_hole+0x80/0x80 [ 755.069912] [] ? autoremove_wake_function+0x40/0x40 [ 755.069919] [] ? pagecache_get_page+0x131/0x710 [ 755.069927] [] filemap_fault+0xaf1/0x1110 [ 755.069934] [] ext4_filemap_fault+0x71/0xa0 [ 755.069940] [] __do_fault+0x223/0x500 [ 755.069947] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 755.069954] [] ? handle_mm_fault+0x1d4f/0x2350 [ 755.069960] [] handle_mm_fault+0x1326/0x2350 [ 755.069967] [] ? hrtimer_nanosleep+0x38c/0x550 [ 755.069974] [] ? vm_insert_page+0x6f0/0x6f0 [ 755.069985] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 755.069993] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 755.070001] [] __do_page_fault+0x403/0xa60 [ 755.070009] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 755.070016] [] ? bad_area_access_error+0x3a0/0x3a0 [ 755.070025] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 755.070032] [] do_page_fault+0x27/0x30 [ 755.070039] [] page_fault+0x25/0x30 [ 755.070042] Mem-Info: [ 755.070057] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 755.070057] active_file:15 inactive_file:25 isolated_file:0 [ 755.070057] unevictable:0 dirty:0 writeback:0 unstable:0 [ 755.070057] slab_reclaimable:4630 slab_unreclaimable:56934 [ 755.070057] mapped:9 shmem:48 pagetables:358 bounce:0 [ 755.070057] free:5953 free_pcp:113 free_cma:0 [ 755.070070] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 755.070087] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 755.070113] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:332kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 755.070167] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 755.070212] 0 pages in swap cache [ 755.070216] Swap cache stats: add 0, delete 0, find 0/0 [ 755.070218] Free swap = 0kB [ 755.070220] Total swap = 0kB [ 755.070222] 1965979 pages RAM [ 755.070224] 0 pages HighMem/MovableOnly [ 755.070226] 313617 pages reserved [ 755.070718] syz-execprog: page allocation stalls for 100080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 755.070724] CPU: 1 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 755.070735] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 755.070745] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 755.070755] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 755.070756] Call Trace: [ 755.070764] [] dump_stack+0xc1/0x128 [ 755.070772] [] warn_alloc.cold.31+0x7f/0x9c ** 27 printk messages dropped ** [ 755.071001] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes ** 322 printk messages dropped ** [ 765.019527] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 765.019535] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 765.019542] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 765.019548] [] ? find_get_entry+0x11a/0x570 ** 45 printk messages dropped ** [ 765.059498] [] ? shrink_node+0x740/0x740 [ 765.059507] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 765.059515] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 765.059524] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 765.059532] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 765.059539] [] ? find_get_entry+0x11a/0x570 [ 765.059546] [] ? find_get_entry+0x141/0x570 [ 765.059554] [] ? page_cache_prev_hole+0x80/0x80 [ 765.059561] [] ? trace_hardirqs_on+0x10/0x10 [ 765.059569] [] ? pagecache_get_page+0x131/0x710 [ 765.059576] [] filemap_fault+0xaf1/0x1110 [ 765.059585] [] ext4_filemap_fault+0x71/0xa0 [ 765.059591] [] __do_fault+0x223/0x500 [ 765.059598] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 765.059605] [] ? handle_mm_fault+0x1d4f/0x2350 [ 765.059613] [] handle_mm_fault+0x1326/0x2350 [ 765.059622] [] ? poll_select_set_timeout+0xb5/0x120 [ 765.059629] [] ? vm_insert_page+0x6f0/0x6f0 [ 765.059638] [] __do_page_fault+0x403/0xa60 [ 765.059645] [] ? __fget_light+0x169/0x1f0 [ 765.059653] [] ? bad_area_access_error+0x3a0/0x3a0 [ 765.059661] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 765.059668] [] do_page_fault+0x27/0x30 [ 765.059676] [] page_fault+0x25/0x30 [ 765.059680] Mem-Info: [ 765.059696] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 765.059696] active_file:15 inactive_file:25 isolated_file:0 [ 765.059696] unevictable:0 dirty:0 writeback:0 unstable:0 [ 765.059696] slab_reclaimable:4630 slab_unreclaimable:56935 [ 765.059696] mapped:9 shmem:48 pagetables:358 bounce:0 [ 765.059696] free:5953 free_pcp:112 free_cma:0 [ 765.059709] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 765.059726] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 765.059752] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227400kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:328kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 765.059806] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 765.059852] 0 pages in swap cache [ 765.059857] Swap cache stats: add 0, delete 0, find 0/0 [ 765.059859] Free swap = 0kB [ 765.059861] Total swap = 0kB [ 765.059863] 1965979 pages RAM [ 765.059865] 0 pages HighMem/MovableOnly [ 765.059867] 313617 pages reserved [ 765.064638] syz-executor.4: page allocation stalls for 110010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 765.064645] CPU: 0 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 765.064658] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 765.064668] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 765.064678] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 765.064679] Call Trace: [ 765.064688] [] dump_stack+0xc1/0x128 [ 765.064696] [] warn_alloc.cold.31+0x7f/0x9c [ 765.064704] [] ? zone_watermark_ok_safe+0x250/0x250 [ 765.064712] [] ? shrink_node+0x740/0x740 [ 765.064721] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 765.064728] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 765.064737] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 765.064746] [] ? check_preemption_disabled+0x3b/0x200 [ 765.064753] [] ? find_get_entry+0x11a/0x570 [ 765.064760] [] ? find_get_entry+0x141/0x570 [ 765.064767] [] ? page_cache_prev_hole+0x80/0x80 [ 765.064775] [] ? pagecache_get_page+0x131/0x710 [ 765.064782] [] filemap_fault+0xaf1/0x1110 [ 765.064790] [] ext4_filemap_fault+0x71/0xa0 [ 765.064796] [] __do_fault+0x223/0x500 [ 765.064803] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 765.064811] [] ? generic_file_readonly_mmap+0x190/0x190 [ 765.064818] [] handle_mm_fault+0x1326/0x2350 [ 765.064827] [] ? hrtimer_nanosleep+0x38c/0x550 [ 765.064834] [] ? vm_insert_page+0x6f0/0x6f0 [ 765.064843] [] ? compat_SyS_wait4+0x1e9/0x290 [ 765.064849] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 765.064857] [] ? put_compat_rusage+0x550/0x550 [ 765.064865] [] __do_page_fault+0x403/0xa60 [ 765.064874] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 765.064881] [] ? bad_area_access_error+0x3a0/0x3a0 [ 765.064890] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 765.064897] [] do_page_fault+0x27/0x30 [ 765.064903] [] page_fault+0x25/0x30 [ 765.064906] Mem-Info: [ 765.064922] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 765.064922] active_file:15 inactive_file:25 isolated_file:0 [ 765.064922] unevictable:0 dirty:0 writeback:0 unstable:0 [ 765.064922] slab_reclaimable:4630 slab_unreclaimable:56935 [ 765.064922] mapped:9 shmem:48 pagetables:358 bounce:0 [ 765.064922] free:5953 free_pcp:112 free_cma:0 [ 765.064934] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 765.064952] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 765.064983] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227400kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:328kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 765.065037] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 765.065083] 0 pages in swap cache [ 765.065087] Swap cache stats: add 0, delete 0, find 0/0 [ 765.065089] Free swap = 0kB [ 765.065091] Total swap = 0kB [ 765.065093] 1965979 pages RAM [ 765.065095] 0 pages HighMem/MovableOnly [ 765.065097] 313617 pages reserved [ 765.066224] syz-execprog: page allocation stalls for 110070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 765.066230] CPU: 0 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 765.066242] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 765.066252] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 765.066262] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 765.066263] Call Trace: [ 765.066272] [] dump_stack+0xc1/0x128 [ 765.066279] [] warn_alloc.cold.31+0x7f/0x9c [ 765.066288] [] ? zone_watermark_ok_safe+0x250/0x250 [ 765.066295] [] ? shrink_node+0x740/0x740 [ 765.066304] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 765.066313] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 765.066321] [] ? check_preemption_disabled+0x3b/0x200 [ 765.066328] [] ? find_get_entry+0x11a/0x570 [ 765.066335] [] ? find_get_entry+0x141/0x570 [ 765.066342] [] ? page_cache_prev_hole+0x80/0x80 [ 765.066350] [] ? autoremove_wake_function+0x40/0x40 [ 765.066357] [] ? pagecache_get_page+0x131/0x710 [ 765.066365] [] filemap_fault+0xaf1/0x1110 [ 765.066372] [] ext4_filemap_fault+0x71/0xa0 [ 765.066379] [] __do_fault+0x223/0x500 [ 765.066385] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 765.066393] [] ? generic_file_readonly_mmap+0x190/0x190 [ 765.066400] [] handle_mm_fault+0x1326/0x2350 [ 765.066408] [] ? vm_insert_page+0x6f0/0x6f0 [ 765.066416] [] ? selinux_file_permission+0x82/0x470 [ 765.066424] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 765.066431] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 765.066440] [] __do_page_fault+0x403/0xa60 [ 765.066452] [] ? bad_area_access_error+0x3a0/0x3a0 [ 765.066460] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 765.066467] [] do_page_fault+0x27/0x30 [ 765.066472] [] page_fault+0x25/0x30 [ 765.066514] Mem-Info: [ 765.066530] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 765.066530] active_file:15 inactive_file:25 isolated_file:0 [ 765.066530] unevictable:0 dirty:0 writeback:0 unstable:0 [ 765.066530] slab_reclaimable:4630 slab_unreclaimable:56935 [ 765.066530] mapped:9 shmem:48 pagetables:358 bounce:0 [ 765.066530] free:5953 free_pcp:112 free_cma:0 ** 2 printk messages dropped ** [ 765.066568] lowmem_reserve[]: 0 3505 3505 [ 765.066586] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227400kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:328kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 765.066640] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 765.066685] 0 pages in swap cache [ 765.066689] Swap cache stats: add 0, delete 0, find 0/0 [ 765.066691] Free swap = 0kB [ 765.066693] Total swap = 0kB [ 765.066695] 1965979 pages RAM [ 765.066698] 0 pages HighMem/MovableOnly [ 765.066700] 313617 pages reserved [ 765.075703] syz-executor.3: page allocation stalls for 110010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 765.075710] CPU: 1 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 765.075722] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 765.075733] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 765.075743] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 765.075744] Call Trace: [ 765.075754] [] dump_stack+0xc1/0x128 [ 765.075762] [] warn_alloc.cold.31+0x7f/0x9c [ 765.075770] [] ? zone_watermark_ok_safe+0x250/0x250 [ 765.075778] [] ? shrink_node+0x740/0x740 [ 765.075787] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 765.075794] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 765.075803] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 765.075811] [] ? check_preemption_disabled+0x3b/0x200 [ 765.075818] [] ? find_get_entry+0x11a/0x570 [ 765.075825] [] ? find_get_entry+0x141/0x570 [ 765.075832] [] ? page_cache_prev_hole+0x80/0x80 [ 765.075840] [] ? autoremove_wake_function+0x40/0x40 [ 765.075848] [] ? pagecache_get_page+0x131/0x710 ** 19 printk messages dropped ** [ 765.076016] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 174 printk messages dropped ** [ 771.716557] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 771.716557] to free 108kB on behalf of 'rs:main Q:Reg' (1893) because [ 771.716557] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 771.716557] Free memory is -13692kB above reserved ** 133 printk messages dropped ** [ 774.990928] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB ** 48 printk messages dropped ** [ 775.005418] lowmem_reserve[]: 0 0 0 [ 775.005465] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 775.005511] 0 pages in swap cache [ 775.005514] Swap cache stats: add 0, delete 0, find 0/0 [ 775.005517] Free swap = 0kB [ 775.005519] Total swap = 0kB [ 775.005521] 1965979 pages RAM [ 775.005523] 0 pages HighMem/MovableOnly [ 775.005525] 313617 pages reserved [ 775.006071] rs:main Q:Reg: page allocation stalls for 120030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 775.006077] CPU: 0 PID: 1893 Comm: rs:main Q:Reg Not tainted 4.9.141+ #23 [ 775.006089] ffff8801d315f7c0 ffffffff81b42e79 1ffff1003a62befa ffff8801d3dcc740 [ 775.006099] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d315f908 [ 775.006109] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 775.006110] Call Trace: [ 775.006119] [] dump_stack+0xc1/0x128 [ 775.006127] [] warn_alloc.cold.31+0x7f/0x9c [ 775.006134] [] ? zone_watermark_ok_safe+0x250/0x250 [ 775.006142] [] ? shrink_node+0x740/0x740 [ 775.006151] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 775.006158] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 775.006167] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 775.006174] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 775.006181] [] ? find_get_entry+0x11a/0x570 [ 775.006188] [] ? find_get_entry+0x141/0x570 [ 775.006195] [] ? page_cache_prev_hole+0x80/0x80 [ 775.006203] [] ? autoremove_wake_function+0x40/0x40 [ 775.006210] [] ? pagecache_get_page+0x131/0x710 [ 775.006218] [] filemap_fault+0xaf1/0x1110 [ 775.006226] [] ext4_filemap_fault+0x71/0xa0 [ 775.006232] [] __do_fault+0x223/0x500 [ 775.006239] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 775.006249] [] ? handle_mm_fault+0x1d4f/0x2350 [ 775.006256] [] handle_mm_fault+0x1326/0x2350 [ 775.006263] [] ? vm_insert_page+0x6f0/0x6f0 [ 775.006270] [] ? selinux_file_permission+0x82/0x470 [ 775.006279] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 775.006286] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 775.006294] [] __do_page_fault+0x403/0xa60 [ 775.006301] [] ? bad_area_access_error+0x3a0/0x3a0 [ 775.006310] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 775.006317] [] do_page_fault+0x27/0x30 [ 775.006323] [] page_fault+0x25/0x30 [ 775.006326] Mem-Info: [ 775.006341] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 775.006341] active_file:15 inactive_file:25 isolated_file:0 [ 775.006341] unevictable:0 dirty:0 writeback:0 unstable:0 [ 775.006341] slab_reclaimable:4630 slab_unreclaimable:56936 [ 775.006341] mapped:9 shmem:48 pagetables:358 bounce:0 [ 775.006341] free:5953 free_pcp:111 free_cma:0 [ 775.006353] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 775.006370] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 775.006396] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227404kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:324kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 775.006494] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 775.006539] 0 pages in swap cache [ 775.006543] Swap cache stats: add 0, delete 0, find 0/0 [ 775.006545] Free swap = 0kB [ 775.006547] Total swap = 0kB [ 775.006549] 1965979 pages RAM [ 775.006551] 0 pages HighMem/MovableOnly [ 775.006553] 313617 pages reserved [ 775.039363] syz-execprog: page allocation stalls for 120010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 775.039371] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 775.039387] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 775.039397] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 775.039408] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 775.039409] Call Trace: [ 775.039423] [] dump_stack+0xc1/0x128 [ 775.039432] [] warn_alloc.cold.31+0x7f/0x9c [ 775.039441] [] ? zone_watermark_ok_safe+0x250/0x250 [ 775.039449] [] ? shrink_node+0x740/0x740 [ 775.039458] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 775.039467] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 775.039476] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 775.039483] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 775.039491] [] ? find_get_entry+0x11a/0x570 [ 775.039498] [] ? find_get_entry+0x141/0x570 [ 775.039504] [] ? page_cache_prev_hole+0x80/0x80 [ 775.039511] [] ? trace_hardirqs_on+0x10/0x10 [ 775.039518] [] ? pagecache_get_page+0x131/0x710 [ 775.039526] [] filemap_fault+0xaf1/0x1110 [ 775.039534] [] ext4_filemap_fault+0x71/0xa0 [ 775.039541] [] __do_fault+0x223/0x500 [ 775.039548] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 775.039555] [] ? handle_mm_fault+0x1d4f/0x2350 [ 775.039563] [] handle_mm_fault+0x1326/0x2350 [ 775.039572] [] ? poll_select_set_timeout+0xb5/0x120 [ 775.039579] [] ? vm_insert_page+0x6f0/0x6f0 [ 775.039588] [] __do_page_fault+0x403/0xa60 [ 775.039596] [] ? __fget_light+0x169/0x1f0 [ 775.039604] [] ? bad_area_access_error+0x3a0/0x3a0 [ 775.039613] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 775.039620] [] do_page_fault+0x27/0x30 [ 775.039628] [] page_fault+0x25/0x30 [ 775.039632] Mem-Info: [ 775.039649] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 775.039649] active_file:15 inactive_file:25 isolated_file:0 [ 775.039649] unevictable:0 dirty:0 writeback:0 unstable:0 [ 775.039649] slab_reclaimable:4630 slab_unreclaimable:56936 [ 775.039649] mapped:9 shmem:48 pagetables:358 bounce:0 [ 775.039649] free:5953 free_pcp:111 free_cma:0 [ 775.039662] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 775.039680] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 775.039706] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227404kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:324kB local_pcp:84kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 775.039759] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 775.039805] 0 pages in swap cache [ 775.039809] Swap cache stats: add 0, delete 0, find 0/0 [ 775.039811] Free swap = 0kB [ 775.039813] Total swap = 0kB [ 775.039815] 1965979 pages RAM [ 775.039817] 0 pages HighMem/MovableOnly [ 775.039820] 313617 pages reserved [ 775.072760] syz-executor.4: page allocation stalls for 120020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 775.072769] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 775.072783] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 775.072793] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 775.072803] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 775.072805] Call Trace: [ 775.072819] [] dump_stack+0xc1/0x128 [ 775.072829] [] warn_alloc.cold.31+0x7f/0x9c [ 775.072838] [] ? zone_watermark_ok_safe+0x250/0x250 [ 775.072847] [] ? shrink_node+0x740/0x740 [ 775.072856] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 775.072864] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 775.072873] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 775.072882] [] ? check_preemption_disabled+0x3b/0x200 [ 775.072890] [] ? find_get_entry+0x11a/0x570 [ 775.072897] [] ? find_get_entry+0x141/0x570 [ 775.072904] [] ? page_cache_prev_hole+0x80/0x80 [ 775.072911] [] ? pagecache_get_page+0x131/0x710 [ 775.072919] [] filemap_fault+0xaf1/0x1110 [ 775.072928] [] ext4_filemap_fault+0x71/0xa0 [ 775.072934] [] __do_fault+0x223/0x500 [ 775.072941] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 775.072949] [] ? generic_file_readonly_mmap+0x190/0x190 [ 775.072956] [] handle_mm_fault+0x1326/0x2350 [ 775.072964] [] ? hrtimer_nanosleep+0x38c/0x550 [ 775.072971] [] ? vm_insert_page+0x6f0/0x6f0 [ 775.072980] [] ? compat_SyS_wait4+0x1e9/0x290 [ 775.072987] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 775.072994] [] ? put_compat_rusage+0x550/0x550 [ 775.073003] [] __do_page_fault+0x403/0xa60 [ 775.073011] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 775.073018] [] ? bad_area_access_error+0x3a0/0x3a0 [ 775.073028] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 775.073035] [] do_page_fault+0x27/0x30 [ 775.073043] [] page_fault+0x25/0x30 [ 775.073046] Mem-Info: [ 775.073063] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 775.073063] active_file:15 inactive_file:25 isolated_file:0 [ 775.073063] unevictable:0 dirty:0 writeback:0 unstable:0 [ 775.073063] slab_reclaimable:4630 slab_unreclaimable:56936 [ 775.073063] mapped:9 shmem:48 pagetables:358 bounce:0 [ 775.073063] free:5953 free_pcp:111 free_cma:0 [ 775.073076] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 775.073093] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 775.073120] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227404kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:324kB local_pcp:84kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 775.073175] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 775.073221] 0 pages in swap cache [ 775.073225] Swap cache stats: add 0, delete 0, find 0/0 [ 775.073227] Free swap = 0kB [ 775.073229] Total swap = 0kB [ 775.073231] 1965979 pages RAM [ 775.073233] 0 pages HighMem/MovableOnly [ 775.073235] 313617 pages reserved [ 775.110930] syz-executor.3: page allocation stalls for 120050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 66 printk messages dropped ** [ 775.125974] [] ? find_get_entry+0x141/0x570 ** 184 printk messages dropped ** [ 783.260561] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 141 printk messages dropped ** [ 785.000635] lowmem_reserve[]: 0 3505 3505 [ 785.000653] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 785.000707] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 785.000753] 0 pages in swap cache [ 785.000757] Swap cache stats: add 0, delete 0, find 0/0 [ 785.000759] Free swap = 0kB [ 785.000761] Total swap = 0kB [ 785.000764] 1965979 pages RAM [ 785.000766] 0 pages HighMem/MovableOnly [ 785.000768] 313617 pages reserved [ 785.005482] syz-execprog: page allocation stalls for 130010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 785.005488] CPU: 1 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 785.005500] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 785.005511] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 785.005520] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 785.005522] Call Trace: [ 785.005531] [] dump_stack+0xc1/0x128 [ 785.005539] [] warn_alloc.cold.31+0x7f/0x9c [ 785.005547] [] ? zone_watermark_ok_safe+0x250/0x250 [ 785.005554] [] ? shrink_node+0x740/0x740 [ 785.005563] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 785.005572] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 785.005580] [] ? check_preemption_disabled+0x3b/0x200 [ 785.005588] [] ? find_get_entry+0x11a/0x570 [ 785.005595] [] ? find_get_entry+0x141/0x570 [ 785.005602] [] ? page_cache_prev_hole+0x80/0x80 [ 785.005609] [] ? autoremove_wake_function+0x40/0x40 [ 785.005617] [] ? pagecache_get_page+0x131/0x710 [ 785.005625] [] filemap_fault+0xaf1/0x1110 [ 785.005637] [] ext4_filemap_fault+0x71/0xa0 [ 785.005644] [] __do_fault+0x223/0x500 [ 785.005650] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 785.005658] [] ? generic_file_readonly_mmap+0x190/0x190 [ 785.005666] [] handle_mm_fault+0x1326/0x2350 [ 785.005673] [] ? vm_insert_page+0x6f0/0x6f0 [ 785.005680] [] ? selinux_file_permission+0x82/0x470 [ 785.005689] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 785.005696] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 785.005704] [] __do_page_fault+0x403/0xa60 [ 785.005712] [] ? bad_area_access_error+0x3a0/0x3a0 [ 785.005720] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 785.005727] [] do_page_fault+0x27/0x30 [ 785.005734] [] page_fault+0x25/0x30 [ 785.005737] Mem-Info: [ 785.005752] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 785.005752] active_file:15 inactive_file:25 isolated_file:0 [ 785.005752] unevictable:0 dirty:0 writeback:0 unstable:0 [ 785.005752] slab_reclaimable:4630 slab_unreclaimable:56938 [ 785.005752] mapped:9 shmem:48 pagetables:358 bounce:0 [ 785.005752] free:5953 free_pcp:109 free_cma:0 [ 785.005765] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 785.005783] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 785.005808] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 785.005863] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 785.005908] 0 pages in swap cache [ 785.005912] Swap cache stats: add 0, delete 0, find 0/0 [ 785.005914] Free swap = 0kB [ 785.005916] Total swap = 0kB [ 785.005918] 1965979 pages RAM [ 785.005920] 0 pages HighMem/MovableOnly [ 785.005922] 313617 pages reserved [ 785.039954] syz-execprog: page allocation stalls for 130010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 785.039962] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 785.039977] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 785.039988] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 785.039998] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 785.039999] Call Trace: [ 785.040012] [] dump_stack+0xc1/0x128 [ 785.040021] [] warn_alloc.cold.31+0x7f/0x9c [ 785.040031] [] ? zone_watermark_ok_safe+0x250/0x250 [ 785.040039] [] ? shrink_node+0x740/0x740 [ 785.040048] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 785.040056] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 785.040064] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 785.040072] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 785.040079] [] ? find_get_entry+0x11a/0x570 [ 785.040086] [] ? find_get_entry+0x141/0x570 [ 785.040093] [] ? page_cache_prev_hole+0x80/0x80 [ 785.040101] [] ? trace_hardirqs_on+0x10/0x10 [ 785.040108] [] ? pagecache_get_page+0x131/0x710 [ 785.040116] [] filemap_fault+0xaf1/0x1110 [ 785.040125] [] ext4_filemap_fault+0x71/0xa0 [ 785.040136] [] __do_fault+0x223/0x500 [ 785.040143] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 785.040150] [] ? handle_mm_fault+0x1d4f/0x2350 [ 785.040158] [] handle_mm_fault+0x1326/0x2350 [ 785.040167] [] ? poll_select_set_timeout+0xb5/0x120 [ 785.040174] [] ? vm_insert_page+0x6f0/0x6f0 [ 785.040184] [] __do_page_fault+0x403/0xa60 [ 785.040192] [] ? __fget_light+0x169/0x1f0 [ 785.040199] [] ? bad_area_access_error+0x3a0/0x3a0 [ 785.040208] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 785.040215] [] do_page_fault+0x27/0x30 [ 785.040224] [] page_fault+0x25/0x30 [ 785.040228] Mem-Info: [ 785.040244] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 785.040244] active_file:15 inactive_file:25 isolated_file:0 [ 785.040244] unevictable:0 dirty:0 writeback:0 unstable:0 [ 785.040244] slab_reclaimable:4630 slab_unreclaimable:56938 [ 785.040244] mapped:9 shmem:48 pagetables:358 bounce:0 [ 785.040244] free:5953 free_pcp:109 free_cma:0 [ 785.040257] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 785.040275] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 785.040301] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 785.040355] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 785.040401] 0 pages in swap cache [ 785.040405] Swap cache stats: add 0, delete 0, find 0/0 [ 785.040407] Free swap = 0kB [ 785.040409] Total swap = 0kB [ 785.040412] 1965979 pages RAM [ 785.040414] 0 pages HighMem/MovableOnly [ 785.040416] 313617 pages reserved [ 785.079796] syz-executor.3: page allocation stalls for 130020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 785.079805] CPU: 0 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 785.079819] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 785.079829] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 785.079839] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 785.079841] Call Trace: [ 785.079854] [] dump_stack+0xc1/0x128 [ 785.079863] [] warn_alloc.cold.31+0x7f/0x9c [ 785.079872] [] ? zone_watermark_ok_safe+0x250/0x250 [ 785.079880] [] ? shrink_node+0x740/0x740 [ 785.079889] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 785.079897] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 785.079906] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 785.079914] [] ? check_preemption_disabled+0x3b/0x200 [ 785.079922] [] ? find_get_entry+0x11a/0x570 [ 785.079929] [] ? find_get_entry+0x141/0x570 [ 785.079936] [] ? page_cache_prev_hole+0x80/0x80 ** 4 printk messages dropped ** [ 785.079975] [] __do_fault+0x223/0x500 [ 785.079982] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 785.079989] [] ? handle_mm_fault+0x1d4f/0x2350 [ 785.079996] [] handle_mm_fault+0x1326/0x2350 [ 785.080004] [] ? hrtimer_nanosleep+0x38c/0x550 [ 785.080011] [] ? vm_insert_page+0x6f0/0x6f0 [ 785.080018] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 785.080025] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 785.080035] [] __do_page_fault+0x403/0xa60 [ 785.080045] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 785.080052] [] ? bad_area_access_error+0x3a0/0x3a0 [ 785.080061] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 785.080068] [] do_page_fault+0x27/0x30 [ 785.080076] [] page_fault+0x25/0x30 [ 785.080080] Mem-Info: [ 785.080097] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 785.080097] active_file:15 inactive_file:25 isolated_file:0 [ 785.080097] unevictable:0 dirty:0 writeback:0 unstable:0 [ 785.080097] slab_reclaimable:4630 slab_unreclaimable:56938 [ 785.080097] mapped:9 shmem:48 pagetables:358 bounce:0 [ 785.080097] free:5953 free_pcp:109 free_cma:0 [ 785.080110] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 785.080133] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 785.080159] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:236kB free_cma:0kB ** 26 printk messages dropped ** [ 785.114928] [] ? find_get_entry+0x141/0x570 ** 141 printk messages dropped ** [ 788.886591] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 788.886591] to free 108kB on behalf of 'syz-executor.0' (2328) because [ 788.886591] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 788.886591] Free memory is -13692kB above reserved ** 183 printk messages dropped ** [ 794.982807] Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB ** 48 printk messages dropped ** [ 795.006729] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 795.006774] 0 pages in swap cache [ 795.006778] Swap cache stats: add 0, delete 0, find 0/0 [ 795.006781] Free swap = 0kB [ 795.006783] Total swap = 0kB [ 795.006785] 1965979 pages RAM [ 795.006787] 0 pages HighMem/MovableOnly [ 795.006789] 313617 pages reserved [ 795.016613] rs:main Q:Reg: page allocation stalls for 140050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 795.016620] CPU: 1 PID: 1893 Comm: rs:main Q:Reg Not tainted 4.9.141+ #23 [ 795.016632] ffff8801d315f7c0 ffffffff81b42e79 1ffff1003a62befa ffff8801d3dcc740 [ 795.016640] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d315f908 [ 795.016648] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 795.016649] Call Trace: [ 795.016660] [] dump_stack+0xc1/0x128 [ 795.016668] [] warn_alloc.cold.31+0x7f/0x9c [ 795.016676] [] ? zone_watermark_ok_safe+0x250/0x250 [ 795.016684] [] ? shrink_node+0x740/0x740 [ 795.016693] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 795.016700] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 795.016709] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 795.016717] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 795.016724] [] ? find_get_entry+0x11a/0x570 [ 795.016731] [] ? find_get_entry+0x141/0x570 [ 795.016738] [] ? page_cache_prev_hole+0x80/0x80 [ 795.016746] [] ? autoremove_wake_function+0x40/0x40 [ 795.016754] [] ? pagecache_get_page+0x131/0x710 [ 795.016761] [] filemap_fault+0xaf1/0x1110 [ 795.016769] [] ext4_filemap_fault+0x71/0xa0 [ 795.016776] [] __do_fault+0x223/0x500 [ 795.016782] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 795.016790] [] ? handle_mm_fault+0x1d4f/0x2350 [ 795.016797] [] handle_mm_fault+0x1326/0x2350 [ 795.016804] [] ? vm_insert_page+0x6f0/0x6f0 [ 795.016812] [] ? selinux_file_permission+0x82/0x470 [ 795.016821] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 795.016828] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 795.016837] [] __do_page_fault+0x403/0xa60 [ 795.016844] [] ? bad_area_access_error+0x3a0/0x3a0 [ 795.016853] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 795.016860] [] do_page_fault+0x27/0x30 [ 795.016866] [] page_fault+0x25/0x30 [ 795.016870] Mem-Info: [ 795.016885] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 795.016885] active_file:15 inactive_file:25 isolated_file:0 [ 795.016885] unevictable:0 dirty:0 writeback:0 unstable:0 [ 795.016885] slab_reclaimable:4630 slab_unreclaimable:56938 [ 795.016885] mapped:9 shmem:48 pagetables:358 bounce:0 [ 795.016885] free:5953 free_pcp:109 free_cma:0 [ 795.016898] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 795.016915] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 795.016941] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 795.016995] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 795.017041] 0 pages in swap cache [ 795.017045] Swap cache stats: add 0, delete 0, find 0/0 [ 795.017047] Free swap = 0kB [ 795.017049] Total swap = 0kB [ 795.017051] 1965979 pages RAM [ 795.017054] 0 pages HighMem/MovableOnly [ 795.017056] 313617 pages reserved [ 795.044646] syz-execprog: page allocation stalls for 140010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 795.044654] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 795.044668] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 795.044679] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 795.044689] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 795.044690] Call Trace: [ 795.044702] [] dump_stack+0xc1/0x128 [ 795.044710] [] warn_alloc.cold.31+0x7f/0x9c [ 795.044719] [] ? zone_watermark_ok_safe+0x250/0x250 [ 795.044727] [] ? shrink_node+0x740/0x740 [ 795.044736] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 795.044744] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 795.044753] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 795.044761] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 795.044768] [] ? find_get_entry+0x11a/0x570 [ 795.044775] [] ? find_get_entry+0x141/0x570 [ 795.044782] [] ? page_cache_prev_hole+0x80/0x80 [ 795.044789] [] ? trace_hardirqs_on+0x10/0x10 [ 795.044797] [] ? pagecache_get_page+0x131/0x710 [ 795.044804] [] filemap_fault+0xaf1/0x1110 [ 795.044812] [] ext4_filemap_fault+0x71/0xa0 [ 795.044819] [] __do_fault+0x223/0x500 [ 795.044826] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 795.044833] [] ? handle_mm_fault+0x1d4f/0x2350 [ 795.044840] [] handle_mm_fault+0x1326/0x2350 [ 795.044849] [] ? poll_select_set_timeout+0xb5/0x120 [ 795.044856] [] ? vm_insert_page+0x6f0/0x6f0 [ 795.044865] [] __do_page_fault+0x403/0xa60 [ 795.044872] [] ? __fget_light+0x169/0x1f0 [ 795.044880] [] ? bad_area_access_error+0x3a0/0x3a0 [ 795.044888] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 795.044895] [] do_page_fault+0x27/0x30 [ 795.044903] [] page_fault+0x25/0x30 [ 795.044906] Mem-Info: [ 795.044922] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 795.044922] active_file:15 inactive_file:25 isolated_file:0 [ 795.044922] unevictable:0 dirty:0 writeback:0 unstable:0 [ 795.044922] slab_reclaimable:4630 slab_unreclaimable:56938 [ 795.044922] mapped:9 shmem:48 pagetables:358 bounce:0 [ 795.044922] free:5953 free_pcp:109 free_cma:0 [ 795.044935] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 795.044953] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 795.044979] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 795.045033] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 795.045079] 0 pages in swap cache [ 795.045083] Swap cache stats: add 0, delete 0, find 0/0 [ 795.045085] Free swap = 0kB [ 795.045087] Total swap = 0kB [ 795.045089] 1965979 pages RAM [ 795.045091] 0 pages HighMem/MovableOnly [ 795.045093] 313617 pages reserved [ 795.059121] syz-executor.4: page allocation stalls for 140010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 795.059132] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 795.059144] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 795.059154] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 795.059162] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 795.059164] Call Trace: [ 795.059175] [] dump_stack+0xc1/0x128 [ 795.059183] [] warn_alloc.cold.31+0x7f/0x9c [ 795.059191] [] ? zone_watermark_ok_safe+0x250/0x250 [ 795.059199] [] ? shrink_node+0x740/0x740 [ 795.059207] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 795.059214] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 795.059222] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 795.059230] [] ? check_preemption_disabled+0x3b/0x200 [ 795.059237] [] ? find_get_entry+0x11a/0x570 [ 795.059243] [] ? find_get_entry+0x141/0x570 [ 795.059250] [] ? page_cache_prev_hole+0x80/0x80 [ 795.059257] [] ? pagecache_get_page+0x131/0x710 [ 795.059264] [] filemap_fault+0xaf1/0x1110 [ 795.059271] [] ext4_filemap_fault+0x71/0xa0 [ 795.059277] [] __do_fault+0x223/0x500 [ 795.059284] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 795.059291] [] ? generic_file_readonly_mmap+0x190/0x190 [ 795.059298] [] handle_mm_fault+0x1326/0x2350 ** 9 printk messages dropped ** [ 795.059370] [] do_page_fault+0x27/0x30 [ 795.059377] [] page_fault+0x25/0x30 [ 795.059380] Mem-Info: [ 795.059395] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 795.059395] active_file:15 inactive_file:25 isolated_file:0 [ 795.059395] unevictable:0 dirty:0 writeback:0 unstable:0 [ 795.059395] slab_reclaimable:4630 slab_unreclaimable:56938 [ 795.059395] mapped:9 shmem:48 pagetables:358 bounce:0 [ 795.059395] free:5953 free_pcp:109 free_cma:0 [ 795.059407] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 795.059423] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 795.059446] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 795.059494] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 795.059535] 0 pages in swap cache [ 795.059538] Swap cache stats: add 0, delete 0, find 0/0 [ 795.059540] Free swap = 0kB [ 795.059542] Total swap = 0kB [ 795.059544] 1965979 pages RAM [ 795.059546] 0 pages HighMem/MovableOnly [ 795.059548] 313617 pages reserved [ 795.109934] syz-executor.3: page allocation stalls for 140050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 795.109942] CPU: 0 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 ** 22 printk messages dropped ** [ 795.110134] [] handle_mm_fault+0x1326/0x2350 [ 795.110142] [] ? hrtimer_nanosleep+0x38c/0x550 ** 263 printk messages dropped ** [ 804.940851] lowmem_reserve[]: 0 0 0 ** 54 printk messages dropped ** [ 804.985660] Total swap = 0kB [ 804.985663] 1965979 pages RAM [ 804.985665] 0 pages HighMem/MovableOnly [ 804.985667] 313617 pages reserved ** 4 printk messages dropped ** [ 805.002971] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 38 printk messages dropped ** [ 805.003374] 89 total pagecache pages ** 9 printk messages dropped ** [ 805.009060] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 805.009070] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 805.009080] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 805.009082] Call Trace: [ 805.009090] [] dump_stack+0xc1/0x128 [ 805.009099] [] warn_alloc.cold.31+0x7f/0x9c [ 805.009107] [] ? zone_watermark_ok_safe+0x250/0x250 [ 805.009115] [] ? shrink_node+0x740/0x740 [ 805.009124] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 805.009133] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 805.009142] [] ? check_preemption_disabled+0x3b/0x200 [ 805.009149] [] ? find_get_entry+0x11a/0x570 [ 805.009156] [] ? find_get_entry+0x141/0x570 [ 805.009163] [] ? page_cache_prev_hole+0x80/0x80 [ 805.009171] [] ? autoremove_wake_function+0x40/0x40 [ 805.009178] [] ? pagecache_get_page+0x131/0x710 [ 805.009186] [] filemap_fault+0xaf1/0x1110 [ 805.009194] [] ext4_filemap_fault+0x71/0xa0 [ 805.009200] [] __do_fault+0x223/0x500 [ 805.009207] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 805.009215] [] ? generic_file_readonly_mmap+0x190/0x190 [ 805.009223] [] handle_mm_fault+0x1326/0x2350 [ 805.009230] [] ? vm_insert_page+0x6f0/0x6f0 [ 805.009237] [] ? selinux_file_permission+0x82/0x470 [ 805.009245] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 805.009253] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 805.009261] [] __do_page_fault+0x403/0xa60 [ 805.009268] [] ? bad_area_access_error+0x3a0/0x3a0 [ 805.009277] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 805.009284] [] do_page_fault+0x27/0x30 [ 805.009290] [] page_fault+0x25/0x30 [ 805.009293] Mem-Info: [ 805.009309] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 805.009309] active_file:15 inactive_file:25 isolated_file:0 [ 805.009309] unevictable:0 dirty:0 writeback:0 unstable:0 [ 805.009309] slab_reclaimable:4630 slab_unreclaimable:56938 [ 805.009309] mapped:9 shmem:48 pagetables:358 bounce:0 [ 805.009309] free:5953 free_pcp:109 free_cma:0 [ 805.009322] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 805.009339] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 805.009370] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 805.009424] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 805.009470] 0 pages in swap cache [ 805.009474] Swap cache stats: add 0, delete 0, find 0/0 [ 805.009476] Free swap = 0kB [ 805.009478] Total swap = 0kB [ 805.009480] 1965979 pages RAM [ 805.009482] 0 pages HighMem/MovableOnly [ 805.009484] 313617 pages reserved [ 805.046522] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 805.046522] to free 108kB on behalf of 'syz-executor.3' (2342) because [ 805.046522] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 805.046522] Free memory is -13692kB above reserved [ 805.055224] syz-execprog: page allocation stalls for 150020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 805.055232] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 805.055247] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 805.055257] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 805.055267] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 805.055269] Call Trace: [ 805.055281] [] dump_stack+0xc1/0x128 [ 805.055289] [] warn_alloc.cold.31+0x7f/0x9c [ 805.055298] [] ? zone_watermark_ok_safe+0x250/0x250 [ 805.055306] [] ? shrink_node+0x740/0x740 [ 805.055315] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 805.055322] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 805.055331] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 805.055339] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 805.055346] [] ? find_get_entry+0x11a/0x570 [ 805.055353] [] ? find_get_entry+0x141/0x570 [ 805.055360] [] ? page_cache_prev_hole+0x80/0x80 [ 805.055367] [] ? trace_hardirqs_on+0x10/0x10 [ 805.055375] [] ? pagecache_get_page+0x131/0x710 [ 805.055382] [] filemap_fault+0xaf1/0x1110 [ 805.055391] [] ext4_filemap_fault+0x71/0xa0 [ 805.055398] [] __do_fault+0x223/0x500 [ 805.055404] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 805.055412] [] ? handle_mm_fault+0x1d4f/0x2350 [ 805.055419] [] handle_mm_fault+0x1326/0x2350 [ 805.055428] [] ? poll_select_set_timeout+0xb5/0x120 [ 805.055435] [] ? vm_insert_page+0x6f0/0x6f0 [ 805.055445] [] __do_page_fault+0x403/0xa60 [ 805.055452] [] ? __fget_light+0x169/0x1f0 [ 805.055460] [] ? bad_area_access_error+0x3a0/0x3a0 [ 805.055469] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 805.055476] [] do_page_fault+0x27/0x30 [ 805.055484] [] page_fault+0x25/0x30 [ 805.055487] Mem-Info: [ 805.055503] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 805.055503] active_file:15 inactive_file:25 isolated_file:0 [ 805.055503] unevictable:0 dirty:0 writeback:0 unstable:0 [ 805.055503] slab_reclaimable:4630 slab_unreclaimable:56938 [ 805.055503] mapped:9 shmem:48 pagetables:358 bounce:0 [ 805.055503] free:5953 free_pcp:109 free_cma:0 [ 805.055516] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 805.055533] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 805.055559] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 805.055614] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 805.055660] 0 pages in swap cache [ 805.055664] Swap cache stats: add 0, delete 0, find 0/0 [ 805.055666] Free swap = 0kB [ 805.055668] Total swap = 0kB [ 805.055671] 1965979 pages RAM [ 805.055673] 0 pages HighMem/MovableOnly [ 805.055675] 313617 pages reserved [ 805.061167] syz-executor.4: page allocation stalls for 150010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 805.061174] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 805.061186] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 805.061196] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 805.061206] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 805.061208] Call Trace: [ 805.061217] [] dump_stack+0xc1/0x128 [ 805.061225] [] warn_alloc.cold.31+0x7f/0x9c [ 805.061233] [] ? zone_watermark_ok_safe+0x250/0x250 [ 805.061241] [] ? shrink_node+0x740/0x740 [ 805.061250] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 805.061257] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 805.061266] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 805.061275] [] ? check_preemption_disabled+0x3b/0x200 [ 805.061282] [] ? find_get_entry+0x11a/0x570 [ 805.061289] [] ? find_get_entry+0x141/0x570 [ 805.061296] [] ? page_cache_prev_hole+0x80/0x80 [ 805.061303] [] ? pagecache_get_page+0x131/0x710 [ 805.061311] [] filemap_fault+0xaf1/0x1110 [ 805.061318] [] ext4_filemap_fault+0x71/0xa0 [ 805.061325] [] __do_fault+0x223/0x500 [ 805.061332] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 805.061340] [] ? generic_file_readonly_mmap+0x190/0x190 [ 805.061352] [] handle_mm_fault+0x1326/0x2350 [ 805.061360] [] ? hrtimer_nanosleep+0x38c/0x550 [ 805.061368] [] ? vm_insert_page+0x6f0/0x6f0 [ 805.061376] [] ? compat_SyS_wait4+0x1e9/0x290 [ 805.061383] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 805.061391] [] ? put_compat_rusage+0x550/0x550 [ 805.061399] [] __do_page_fault+0x403/0xa60 [ 805.061408] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 805.061415] [] ? bad_area_access_error+0x3a0/0x3a0 [ 805.061424] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 805.061431] [] do_page_fault+0x27/0x30 [ 805.061438] [] page_fault+0x25/0x30 ** 1 printk messages dropped ** [ 805.061456] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 805.061456] active_file:15 inactive_file:25 isolated_file:0 [ 805.061456] unevictable:0 dirty:0 writeback:0 unstable:0 [ 805.061456] slab_reclaimable:4630 slab_unreclaimable:56938 [ 805.061456] mapped:9 shmem:48 pagetables:358 bounce:0 [ 805.061456] free:5953 free_pcp:109 free_cma:0 [ 805.061469] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 805.061486] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 805.061512] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 805.061566] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 805.061612] 0 pages in swap cache [ 805.061616] Swap cache stats: add 0, delete 0, find 0/0 [ 805.061618] Free swap = 0kB [ 805.061620] Total swap = 0kB [ 805.061622] 1965979 pages RAM [ 805.061625] 0 pages HighMem/MovableOnly [ 805.061627] 313617 pages reserved [ 805.128680] syz-executor.3: page allocation stalls for 150070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 29 printk messages dropped ** [ 805.128935] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 805.128943] [] ? bad_area_access_error+0x3a0/0x3a0 ** 49 printk messages dropped ** [ 805.130134] [] ? bad_area_access_error+0x3a0/0x3a0 ** 126 printk messages dropped ** [ 811.106547] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 811.106547] to free 108kB on behalf of 'syz-executor.4' (2336) because [ 811.106547] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 811.106547] Free memory is -13692kB above reserved ** 137 printk messages dropped ** [ 815.001050] 1965979 pages RAM ** 46 printk messages dropped ** [ 815.011213] 0 pages in swap cache [ 815.011217] Swap cache stats: add 0, delete 0, find 0/0 ** 4 printk messages dropped ** [ 815.011233] 313617 pages reserved [ 815.045250] syz-execprog: page allocation stalls for 160010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 815.045257] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 815.045272] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 815.045282] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 815.045292] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 815.045294] Call Trace: [ 815.045305] [] dump_stack+0xc1/0x128 [ 815.045314] [] warn_alloc.cold.31+0x7f/0x9c [ 815.045323] [] ? zone_watermark_ok_safe+0x250/0x250 [ 815.045331] [] ? shrink_node+0x740/0x740 [ 815.045339] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 815.045347] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 815.045356] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 815.045364] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 815.045371] [] ? find_get_entry+0x11a/0x570 [ 815.045378] [] ? find_get_entry+0x141/0x570 [ 815.045385] [] ? page_cache_prev_hole+0x80/0x80 [ 815.045393] [] ? trace_hardirqs_on+0x10/0x10 [ 815.045401] [] ? pagecache_get_page+0x131/0x710 [ 815.045408] [] filemap_fault+0xaf1/0x1110 [ 815.045416] [] ext4_filemap_fault+0x71/0xa0 [ 815.045423] [] __do_fault+0x223/0x500 [ 815.045430] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 815.045437] [] ? handle_mm_fault+0x1d4f/0x2350 [ 815.045444] [] handle_mm_fault+0x1326/0x2350 [ 815.045453] [] ? poll_select_set_timeout+0xb5/0x120 [ 815.045460] [] ? vm_insert_page+0x6f0/0x6f0 [ 815.045469] [] __do_page_fault+0x403/0xa60 [ 815.045476] [] ? __fget_light+0x169/0x1f0 [ 815.045483] [] ? bad_area_access_error+0x3a0/0x3a0 [ 815.045492] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 815.045499] [] do_page_fault+0x27/0x30 [ 815.045507] [] page_fault+0x25/0x30 [ 815.045510] Mem-Info: [ 815.045526] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 815.045526] active_file:15 inactive_file:25 isolated_file:0 [ 815.045526] unevictable:0 dirty:0 writeback:0 unstable:0 [ 815.045526] slab_reclaimable:4630 slab_unreclaimable:56938 [ 815.045526] mapped:9 shmem:48 pagetables:358 bounce:0 [ 815.045526] free:5953 free_pcp:109 free_cma:0 [ 815.045539] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 815.045557] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 815.045582] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 815.045636] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 815.045682] 0 pages in swap cache [ 815.045686] Swap cache stats: add 0, delete 0, find 0/0 [ 815.045688] Free swap = 0kB [ 815.045690] Total swap = 0kB [ 815.045693] 1965979 pages RAM [ 815.045695] 0 pages HighMem/MovableOnly [ 815.045697] 313617 pages reserved [ 815.054728] syz-execprog: page allocation stalls for 160060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 815.054734] CPU: 1 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 815.054747] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 815.054756] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 815.054765] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 815.054766] Call Trace: [ 815.054775] [] dump_stack+0xc1/0x128 [ 815.054782] [] warn_alloc.cold.31+0x7f/0x9c [ 815.054790] [] ? zone_watermark_ok_safe+0x250/0x250 [ 815.054797] [] ? shrink_node+0x740/0x740 [ 815.054805] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 815.054813] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 815.054823] [] ? check_preemption_disabled+0x3b/0x200 [ 815.054829] [] ? find_get_entry+0x11a/0x570 [ 815.054836] [] ? find_get_entry+0x141/0x570 [ 815.054842] [] ? page_cache_prev_hole+0x80/0x80 [ 815.054850] [] ? autoremove_wake_function+0x40/0x40 [ 815.054857] [] ? pagecache_get_page+0x131/0x710 [ 815.054863] [] filemap_fault+0xaf1/0x1110 [ 815.054871] [] ext4_filemap_fault+0x71/0xa0 [ 815.054877] [] __do_fault+0x223/0x500 [ 815.054883] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 815.054890] [] ? generic_file_readonly_mmap+0x190/0x190 [ 815.054897] [] handle_mm_fault+0x1326/0x2350 [ 815.054903] [] ? vm_insert_page+0x6f0/0x6f0 [ 815.054911] [] ? selinux_file_permission+0x82/0x470 [ 815.054919] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 815.054926] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 815.054933] [] __do_page_fault+0x403/0xa60 [ 815.054940] [] ? bad_area_access_error+0x3a0/0x3a0 [ 815.054948] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 815.054955] [] do_page_fault+0x27/0x30 [ 815.054961] [] page_fault+0x25/0x30 [ 815.054964] Mem-Info: [ 815.054978] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 815.054978] active_file:15 inactive_file:25 isolated_file:0 [ 815.054978] unevictable:0 dirty:0 writeback:0 unstable:0 [ 815.054978] slab_reclaimable:4630 slab_unreclaimable:56938 [ 815.054978] mapped:9 shmem:48 pagetables:358 bounce:0 [ 815.054978] free:5953 free_pcp:109 free_cma:0 [ 815.054990] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 815.055006] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 815.055029] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 815.055077] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 815.055117] 0 pages in swap cache [ 815.055120] Swap cache stats: add 0, delete 0, find 0/0 [ 815.055122] Free swap = 0kB [ 815.055124] Total swap = 0kB [ 815.055126] 1965979 pages RAM [ 815.055128] 0 pages HighMem/MovableOnly [ 815.055130] 313617 pages reserved [ 815.084366] syz-executor.4: page allocation stalls for 160030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 815.084373] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 815.084386] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 815.084396] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 815.084406] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 815.084408] Call Trace: [ 815.084420] [] dump_stack+0xc1/0x128 [ 815.084428] [] warn_alloc.cold.31+0x7f/0x9c [ 815.084436] [] ? zone_watermark_ok_safe+0x250/0x250 [ 815.084444] [] ? shrink_node+0x740/0x740 [ 815.084453] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 815.084461] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 815.084470] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 815.084478] [] ? check_preemption_disabled+0x3b/0x200 [ 815.084486] [] ? find_get_entry+0x11a/0x570 [ 815.084493] [] ? find_get_entry+0x141/0x570 [ 815.084500] [] ? page_cache_prev_hole+0x80/0x80 [ 815.084507] [] ? pagecache_get_page+0x131/0x710 [ 815.084515] [] filemap_fault+0xaf1/0x1110 [ 815.084523] [] ext4_filemap_fault+0x71/0xa0 [ 815.084529] [] __do_fault+0x223/0x500 [ 815.084536] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 815.084545] [] ? generic_file_readonly_mmap+0x190/0x190 [ 815.084552] [] handle_mm_fault+0x1326/0x2350 [ 815.084559] [] ? hrtimer_nanosleep+0x38c/0x550 [ 815.084566] [] ? vm_insert_page+0x6f0/0x6f0 [ 815.084574] [] ? compat_SyS_wait4+0x1e9/0x290 [ 815.084581] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 815.084589] [] ? put_compat_rusage+0x550/0x550 [ 815.084598] [] __do_page_fault+0x403/0xa60 ** 7 printk messages dropped ** [ 815.084668] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 815.084686] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 815.084712] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 815.084766] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 815.084812] 0 pages in swap cache [ 815.084816] Swap cache stats: add 0, delete 0, find 0/0 [ 815.084818] Free swap = 0kB [ 815.084820] Total swap = 0kB [ 815.084822] 1965979 pages RAM [ 815.084824] 0 pages HighMem/MovableOnly [ 815.084826] 313617 pages reserved [ 815.113206] syz-executor.3: page allocation stalls for 160050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 815.113213] CPU: 0 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 815.113227] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 815.113237] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 815.113247] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 815.113248] Call Trace: [ 815.113260] [] dump_stack+0xc1/0x128 [ 815.113268] [] warn_alloc.cold.31+0x7f/0x9c [ 815.113277] [] ? zone_watermark_ok_safe+0x250/0x250 ** 24 printk messages dropped ** [ 815.113469] [] do_page_fault+0x27/0x30 ** 127 printk messages dropped ** [ 819.790063] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #23 ** 132 printk messages dropped ** [ 824.942224] Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB ** 50 printk messages dropped ** [ 824.984834] Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB ** 48 printk messages dropped ** [ 825.005581] 89 total pagecache pages [ 825.005583] 0 pages in swap cache ** 1 printk messages dropped ** [ 825.005589] Free swap = 0kB [ 825.005591] Total swap = 0kB [ 825.005594] 1965979 pages RAM [ 825.005596] 0 pages HighMem/MovableOnly [ 825.005598] 313617 pages reserved [ 825.015027] syz-execprog: page allocation stalls for 170020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 825.015034] CPU: 1 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 825.015047] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 825.015057] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 825.015067] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 825.015069] Call Trace: [ 825.015080] [] dump_stack+0xc1/0x128 [ 825.015088] [] warn_alloc.cold.31+0x7f/0x9c [ 825.015096] [] ? zone_watermark_ok_safe+0x250/0x250 [ 825.015104] [] ? shrink_node+0x740/0x740 [ 825.015113] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 825.015122] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 825.015131] [] ? check_preemption_disabled+0x3b/0x200 [ 825.015138] [] ? find_get_entry+0x11a/0x570 [ 825.015145] [] ? find_get_entry+0x141/0x570 [ 825.015152] [] ? page_cache_prev_hole+0x80/0x80 [ 825.015161] [] ? autoremove_wake_function+0x40/0x40 [ 825.015168] [] ? pagecache_get_page+0x131/0x710 [ 825.015176] [] filemap_fault+0xaf1/0x1110 [ 825.015185] [] ext4_filemap_fault+0x71/0xa0 [ 825.015191] [] __do_fault+0x223/0x500 [ 825.015198] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 825.015206] [] ? generic_file_readonly_mmap+0x190/0x190 [ 825.015213] [] handle_mm_fault+0x1326/0x2350 [ 825.015220] [] ? vm_insert_page+0x6f0/0x6f0 [ 825.015228] [] ? selinux_file_permission+0x82/0x470 [ 825.015237] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 825.015244] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 825.015252] [] __do_page_fault+0x403/0xa60 [ 825.015259] [] ? bad_area_access_error+0x3a0/0x3a0 [ 825.015268] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 825.015275] [] do_page_fault+0x27/0x30 [ 825.015282] [] page_fault+0x25/0x30 [ 825.015285] Mem-Info: [ 825.015301] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 825.015301] active_file:15 inactive_file:25 isolated_file:0 [ 825.015301] unevictable:0 dirty:0 writeback:0 unstable:0 [ 825.015301] slab_reclaimable:4630 slab_unreclaimable:56938 [ 825.015301] mapped:9 shmem:48 pagetables:358 bounce:0 [ 825.015301] free:5953 free_pcp:109 free_cma:0 [ 825.015314] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 825.015332] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 825.015357] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 825.015412] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 825.015458] 0 pages in swap cache [ 825.015462] Swap cache stats: add 0, delete 0, find 0/0 [ 825.015464] Free swap = 0kB [ 825.015466] Total swap = 0kB [ 825.015468] 1965979 pages RAM [ 825.015470] 0 pages HighMem/MovableOnly [ 825.015472] 313617 pages reserved [ 825.056020] syz-execprog: page allocation stalls for 170020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 825.056028] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 825.056043] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 825.056053] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 825.056062] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 825.056064] Call Trace: [ 825.056080] [] dump_stack+0xc1/0x128 [ 825.056090] [] warn_alloc.cold.31+0x7f/0x9c [ 825.056099] [] ? zone_watermark_ok_safe+0x250/0x250 [ 825.056108] [] ? shrink_node+0x740/0x740 [ 825.056117] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 825.056125] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 825.056134] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 825.056143] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 825.056150] [] ? find_get_entry+0x11a/0x570 [ 825.056157] [] ? find_get_entry+0x141/0x570 [ 825.056164] [] ? page_cache_prev_hole+0x80/0x80 [ 825.056172] [] ? trace_hardirqs_on+0x10/0x10 [ 825.056179] [] ? pagecache_get_page+0x131/0x710 [ 825.056187] [] filemap_fault+0xaf1/0x1110 [ 825.056196] [] ext4_filemap_fault+0x71/0xa0 [ 825.056202] [] __do_fault+0x223/0x500 [ 825.056209] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 825.056216] [] ? handle_mm_fault+0x1d4f/0x2350 [ 825.056223] [] handle_mm_fault+0x1326/0x2350 [ 825.056232] [] ? poll_select_set_timeout+0xb5/0x120 [ 825.056239] [] ? vm_insert_page+0x6f0/0x6f0 [ 825.056247] [] __do_page_fault+0x403/0xa60 [ 825.056254] [] ? __fget_light+0x169/0x1f0 [ 825.056262] [] ? bad_area_access_error+0x3a0/0x3a0 [ 825.056271] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 825.056278] [] do_page_fault+0x27/0x30 [ 825.056287] [] page_fault+0x25/0x30 [ 825.056291] Mem-Info: [ 825.056308] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 825.056308] active_file:15 inactive_file:25 isolated_file:0 [ 825.056308] unevictable:0 dirty:0 writeback:0 unstable:0 [ 825.056308] slab_reclaimable:4630 slab_unreclaimable:56938 [ 825.056308] mapped:9 shmem:48 pagetables:358 bounce:0 [ 825.056308] free:5953 free_pcp:109 free_cma:0 [ 825.056321] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 825.056339] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 825.056365] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 825.056420] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) [ 825.063237] syz-executor.4: page allocation stalls for 170010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 825.063246] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 825.063261] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 825.063271] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 825.063281] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 825.063283] Call Trace: [ 825.063297] [] dump_stack+0xc1/0x128 [ 825.063307] [] warn_alloc.cold.31+0x7f/0x9c [ 825.063316] [] ? zone_watermark_ok_safe+0x250/0x250 [ 825.063325] [] ? shrink_node+0x740/0x740 [ 825.063334] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 825.063342] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 825.063351] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 825.063360] [] ? check_preemption_disabled+0x3b/0x200 [ 825.063367] [] ? find_get_entry+0x11a/0x570 [ 825.063374] [] ? find_get_entry+0x141/0x570 [ 825.063381] [] ? page_cache_prev_hole+0x80/0x80 [ 825.063389] [] ? pagecache_get_page+0x131/0x710 [ 825.063396] [] filemap_fault+0xaf1/0x1110 [ 825.063405] [] ext4_filemap_fault+0x71/0xa0 [ 825.063411] [] __do_fault+0x223/0x500 [ 825.063418] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 825.063426] [] ? generic_file_readonly_mmap+0x190/0x190 [ 825.063433] [] handle_mm_fault+0x1326/0x2350 [ 825.063441] [] ? hrtimer_nanosleep+0x38c/0x550 [ 825.063449] [] ? vm_insert_page+0x6f0/0x6f0 [ 825.063458] [] ? compat_SyS_wait4+0x1e9/0x290 [ 825.063465] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 825.063473] [] ? put_compat_rusage+0x550/0x550 [ 825.063482] [] __do_page_fault+0x403/0xa60 [ 825.063490] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 825.063497] [] ? bad_area_access_error+0x3a0/0x3a0 [ 825.063507] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 825.063514] [] do_page_fault+0x27/0x30 [ 825.063521] [] page_fault+0x25/0x30 ** 2 printk messages dropped ** [ 825.063554] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 825.063572] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 825.063598] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 825.063653] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 825.063699] 0 pages in swap cache [ 825.063703] Swap cache stats: add 0, delete 0, find 0/0 [ 825.063705] Free swap = 0kB [ 825.063707] Total swap = 0kB [ 825.063709] 1965979 pages RAM [ 825.063711] 0 pages HighMem/MovableOnly [ 825.063713] 313617 pages reserved [ 825.079080] syz-executor.3: page allocation stalls for 170020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 825.079088] CPU: 0 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 825.079103] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 825.079113] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 825.079123] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 825.079125] Call Trace: [ 825.079141] [] dump_stack+0xc1/0x128 [ 825.079151] [] warn_alloc.cold.31+0x7f/0x9c ** 25 printk messages dropped ** [ 825.079362] [] do_page_fault+0x27/0x30 ** 134 printk messages dropped ** [ 829.812023] init: page allocation stalls for 170040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 182 printk messages dropped ** [ 834.986612] lowmem_reserve[]: 0 0 0 [ 834.986660] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB ** 45 printk messages dropped ** [ 834.996418] lowmem_reserve[]: 0 0 0 [ 835.021196] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB [ 835.021207] syz-execprog: page allocation stalls for 180030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 835.021214] CPU: 1 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 835.021229] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 835.021239] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 835.021248] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 835.021250] Call Trace: [ 835.021265] [] dump_stack+0xc1/0x128 [ 835.021275] [] warn_alloc.cold.31+0x7f/0x9c [ 835.021284] [] ? zone_watermark_ok_safe+0x250/0x250 [ 835.021292] [] ? shrink_node+0x740/0x740 [ 835.021301] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 835.021310] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 835.021320] [] ? check_preemption_disabled+0x3b/0x200 [ 835.021327] [] ? find_get_entry+0x11a/0x570 [ 835.021334] [] ? find_get_entry+0x141/0x570 [ 835.021341] [] ? page_cache_prev_hole+0x80/0x80 [ 835.021350] [] ? autoremove_wake_function+0x40/0x40 [ 835.021357] [] ? pagecache_get_page+0x131/0x710 [ 835.021365] [] filemap_fault+0xaf1/0x1110 [ 835.021372] [] ext4_filemap_fault+0x71/0xa0 [ 835.021379] [] __do_fault+0x223/0x500 [ 835.021386] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 835.021394] [] ? generic_file_readonly_mmap+0x190/0x190 [ 835.021401] [] handle_mm_fault+0x1326/0x2350 [ 835.021408] [] ? vm_insert_page+0x6f0/0x6f0 [ 835.021416] [] ? selinux_file_permission+0x82/0x470 [ 835.021426] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 835.021433] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 835.021442] [] __do_page_fault+0x403/0xa60 [ 835.021450] [] ? bad_area_access_error+0x3a0/0x3a0 [ 835.021460] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 835.021467] [] do_page_fault+0x27/0x30 [ 835.021476] [] page_fault+0x25/0x30 [ 835.021479] Mem-Info: [ 835.021496] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 835.021496] active_file:15 inactive_file:25 isolated_file:0 [ 835.021496] unevictable:0 dirty:0 writeback:0 unstable:0 [ 835.021496] slab_reclaimable:4630 slab_unreclaimable:56938 [ 835.021496] mapped:9 shmem:48 pagetables:358 bounce:0 [ 835.021496] free:5953 free_pcp:109 free_cma:0 [ 835.021510] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 835.021528] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 835.021554] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 835.021615] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 835.021661] 0 pages in swap cache [ 835.021665] Swap cache stats: add 0, delete 0, find 0/0 [ 835.021667] Free swap = 0kB [ 835.021669] Total swap = 0kB [ 835.021671] 1965979 pages RAM [ 835.021673] 0 pages HighMem/MovableOnly [ 835.021675] 313617 pages reserved [ 835.041204] syz-execprog: page allocation stalls for 180010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 835.041212] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 835.041225] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 835.041235] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 835.041245] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 835.041246] Call Trace: [ 835.041256] [] dump_stack+0xc1/0x128 [ 835.041264] [] warn_alloc.cold.31+0x7f/0x9c [ 835.041273] [] ? zone_watermark_ok_safe+0x250/0x250 [ 835.041281] [] ? shrink_node+0x740/0x740 [ 835.041290] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 835.041297] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 835.041306] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 835.041313] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 835.041321] [] ? find_get_entry+0x11a/0x570 [ 835.041328] [] ? find_get_entry+0x141/0x570 [ 835.041335] [] ? page_cache_prev_hole+0x80/0x80 [ 835.041342] [] ? trace_hardirqs_on+0x10/0x10 [ 835.041350] [] ? pagecache_get_page+0x131/0x710 [ 835.041357] [] filemap_fault+0xaf1/0x1110 [ 835.041366] [] ext4_filemap_fault+0x71/0xa0 [ 835.041372] [] __do_fault+0x223/0x500 [ 835.041379] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 835.041386] [] ? handle_mm_fault+0x1d4f/0x2350 [ 835.041394] [] handle_mm_fault+0x1326/0x2350 [ 835.041402] [] ? poll_select_set_timeout+0xb5/0x120 [ 835.041409] [] ? vm_insert_page+0x6f0/0x6f0 [ 835.041418] [] __do_page_fault+0x403/0xa60 [ 835.041425] [] ? __fget_light+0x169/0x1f0 [ 835.041433] [] ? bad_area_access_error+0x3a0/0x3a0 [ 835.041441] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 835.041448] [] do_page_fault+0x27/0x30 [ 835.041456] [] page_fault+0x25/0x30 [ 835.041459] Mem-Info: [ 835.041475] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 835.041475] active_file:15 inactive_file:25 isolated_file:0 [ 835.041475] unevictable:0 dirty:0 writeback:0 unstable:0 [ 835.041475] slab_reclaimable:4630 slab_unreclaimable:56938 [ 835.041475] mapped:9 shmem:48 pagetables:358 bounce:0 [ 835.041475] free:5953 free_pcp:109 free_cma:0 [ 835.041488] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 835.041505] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 835.041531] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 835.041585] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 835.041636] 0 pages in swap cache [ 835.041640] Swap cache stats: add 0, delete 0, find 0/0 [ 835.041642] Free swap = 0kB [ 835.041644] Total swap = 0kB [ 835.041646] 1965979 pages RAM [ 835.041648] 0 pages HighMem/MovableOnly [ 835.041651] 313617 pages reserved [ 835.051104] (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 835.051148] 0 pages in swap cache [ 835.051152] Swap cache stats: add 0, delete 0, find 0/0 [ 835.051154] Free swap = 0kB [ 835.051156] Total swap = 0kB [ 835.051158] 1965979 pages RAM [ 835.051160] 0 pages HighMem/MovableOnly [ 835.051162] 313617 pages reserved [ 835.081001] syz-executor.4: page allocation stalls for 180030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 835.081009] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 835.081022] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 835.081031] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 835.081040] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 835.081042] Call Trace: [ 835.081054] [] dump_stack+0xc1/0x128 [ 835.081062] [] warn_alloc.cold.31+0x7f/0x9c [ 835.081071] [] ? zone_watermark_ok_safe+0x250/0x250 [ 835.081078] [] ? shrink_node+0x740/0x740 [ 835.081086] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 835.081093] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 835.081102] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 835.081109] [] ? check_preemption_disabled+0x3b/0x200 [ 835.081116] [] ? find_get_entry+0x11a/0x570 [ 835.081123] [] ? find_get_entry+0x141/0x570 [ 835.081129] [] ? page_cache_prev_hole+0x80/0x80 [ 835.081136] [] ? pagecache_get_page+0x131/0x710 [ 835.081143] [] filemap_fault+0xaf1/0x1110 [ 835.081151] [] ext4_filemap_fault+0x71/0xa0 [ 835.081157] [] __do_fault+0x223/0x500 [ 835.081163] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 835.081170] [] ? generic_file_readonly_mmap+0x190/0x190 [ 835.081177] [] handle_mm_fault+0x1326/0x2350 [ 835.081184] [] ? hrtimer_nanosleep+0x38c/0x550 ** 1 printk messages dropped ** [ 835.081198] [] ? compat_SyS_wait4+0x1e9/0x290 [ 835.081205] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 835.081211] [] ? put_compat_rusage+0x550/0x550 [ 835.081220] [] __do_page_fault+0x403/0xa60 [ 835.081227] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 835.081234] [] ? bad_area_access_error+0x3a0/0x3a0 [ 835.081242] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 835.081248] [] do_page_fault+0x27/0x30 [ 835.081255] [] page_fault+0x25/0x30 [ 835.081259] Mem-Info: [ 835.081274] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 835.081274] active_file:15 inactive_file:25 isolated_file:0 [ 835.081274] unevictable:0 dirty:0 writeback:0 unstable:0 [ 835.081274] slab_reclaimable:4630 slab_unreclaimable:56938 [ 835.081274] mapped:9 shmem:48 pagetables:358 bounce:0 [ 835.081274] free:5953 free_pcp:109 free_cma:0 [ 835.081286] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 835.081302] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 835.081326] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 835.081374] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB ** 32 printk messages dropped ** [ 835.104696] [] handle_mm_fault+0x1326/0x2350 ** 97 printk messages dropped ** [ 835.321023] [] ext4_filemap_fault+0x71/0xa0 ** 168 printk messages dropped ** [ 844.911424] lowmem_reserve[]: 0 0 0 ** 47 printk messages dropped ** [ 844.989695] lowmem_reserve[]: 0 0 0 [ 844.989743] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB ** 47 printk messages dropped ** [ 844.999587] lowmem_reserve[]: 0 0 0 [ 844.999633] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 844.999679] 0 pages in swap cache [ 844.999683] Swap cache stats: add 0, delete 0, find 0/0 [ 844.999685] Free swap = 0kB [ 844.999687] Total swap = 0kB [ 844.999689] 1965979 pages RAM [ 844.999691] 0 pages HighMem/MovableOnly [ 844.999693] 313617 pages reserved [ 845.013856] rs:main Q:Reg: page allocation stalls for 190040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 845.013862] CPU: 1 PID: 1893 Comm: rs:main Q:Reg Not tainted 4.9.141+ #23 [ 845.013876] ffff8801d315f7c0 ffffffff81b42e79 1ffff1003a62befa ffff8801d3dcc740 [ 845.013886] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d315f908 [ 845.013901] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 845.013903] Call Trace: [ 845.013913] [] dump_stack+0xc1/0x128 [ 845.013921] [] warn_alloc.cold.31+0x7f/0x9c [ 845.013930] [] ? zone_watermark_ok_safe+0x250/0x250 [ 845.013937] [] ? shrink_node+0x740/0x740 [ 845.013947] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 845.013954] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 845.013962] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 845.013970] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 845.013977] [] ? find_get_entry+0x11a/0x570 [ 845.013985] [] ? find_get_entry+0x141/0x570 [ 845.013992] [] ? page_cache_prev_hole+0x80/0x80 [ 845.013999] [] ? autoremove_wake_function+0x40/0x40 [ 845.014007] [] ? pagecache_get_page+0x131/0x710 [ 845.014014] [] filemap_fault+0xaf1/0x1110 [ 845.014022] [] ext4_filemap_fault+0x71/0xa0 [ 845.014029] [] __do_fault+0x223/0x500 [ 845.014036] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 845.014043] [] ? handle_mm_fault+0x1d4f/0x2350 [ 845.014050] [] handle_mm_fault+0x1326/0x2350 [ 845.014057] [] ? vm_insert_page+0x6f0/0x6f0 [ 845.014065] [] ? selinux_file_permission+0x82/0x470 [ 845.014074] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 845.014081] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 845.014090] [] __do_page_fault+0x403/0xa60 [ 845.014098] [] ? bad_area_access_error+0x3a0/0x3a0 [ 845.014106] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 845.014113] [] do_page_fault+0x27/0x30 [ 845.014121] [] page_fault+0x25/0x30 [ 845.014124] Mem-Info: [ 845.014139] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 845.014139] active_file:15 inactive_file:25 isolated_file:0 [ 845.014139] unevictable:0 dirty:0 writeback:0 unstable:0 [ 845.014139] slab_reclaimable:4630 slab_unreclaimable:56938 [ 845.014139] mapped:9 shmem:48 pagetables:358 bounce:0 [ 845.014139] free:5953 free_pcp:109 free_cma:0 [ 845.014152] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 845.014170] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 845.014196] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 845.014249] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 845.014295] 0 pages in swap cache [ 845.014299] Swap cache stats: add 0, delete 0, find 0/0 [ 845.014301] Free swap = 0kB [ 845.014303] Total swap = 0kB [ 845.014305] 1965979 pages RAM [ 845.014307] 0 pages HighMem/MovableOnly [ 845.014309] 313617 pages reserved [ 845.069310] syz-execprog: page allocation stalls for 190040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 845.069318] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 845.069335] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 845.069345] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 845.069355] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 845.069357] Call Trace: [ 845.069371] [] dump_stack+0xc1/0x128 [ 845.069380] [] warn_alloc.cold.31+0x7f/0x9c [ 845.069390] [] ? zone_watermark_ok_safe+0x250/0x250 [ 845.069398] [] ? shrink_node+0x740/0x740 [ 845.069407] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 845.069416] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 845.069424] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 845.069433] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 845.069440] [] ? find_get_entry+0x11a/0x570 [ 845.069447] [] ? find_get_entry+0x141/0x570 [ 845.069454] [] ? page_cache_prev_hole+0x80/0x80 [ 845.069462] [] ? trace_hardirqs_on+0x10/0x10 [ 845.069470] [] ? pagecache_get_page+0x131/0x710 [ 845.069477] [] filemap_fault+0xaf1/0x1110 [ 845.069486] [] ext4_filemap_fault+0x71/0xa0 [ 845.069493] [] __do_fault+0x223/0x500 [ 845.069500] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 845.069507] [] ? handle_mm_fault+0x1d4f/0x2350 [ 845.069514] [] handle_mm_fault+0x1326/0x2350 [ 845.069523] [] ? poll_select_set_timeout+0xb5/0x120 [ 845.069530] [] ? vm_insert_page+0x6f0/0x6f0 [ 845.069539] [] __do_page_fault+0x403/0xa60 [ 845.069546] [] ? __fget_light+0x169/0x1f0 [ 845.069554] [] ? bad_area_access_error+0x3a0/0x3a0 [ 845.069563] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 845.069570] [] do_page_fault+0x27/0x30 [ 845.069578] [] page_fault+0x25/0x30 [ 845.069581] Mem-Info: [ 845.069597] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 845.069597] active_file:15 inactive_file:25 isolated_file:0 [ 845.069597] unevictable:0 dirty:0 writeback:0 unstable:0 [ 845.069597] slab_reclaimable:4630 slab_unreclaimable:56938 [ 845.069597] mapped:9 shmem:48 pagetables:358 bounce:0 [ 845.069597] free:5953 free_pcp:109 free_cma:0 [ 845.069610] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 845.069628] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 845.069654] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 845.069708] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 845.069754] 0 pages in swap cache [ 845.069758] Swap cache stats: add 0, delete 0, find 0/0 [ 845.069761] Free swap = 0kB [ 845.069763] Total swap = 0kB [ 845.069765] 1965979 pages RAM [ 845.069767] 0 pages HighMem/MovableOnly [ 845.069769] 313617 pages reserved [ 845.070548] syz-executor.3: page allocation stalls for 190010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 845.070554] CPU: 0 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 845.070566] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 845.070576] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 845.070586] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 845.070588] Call Trace: [ 845.070596] [] dump_stack+0xc1/0x128 [ 845.070604] [] warn_alloc.cold.31+0x7f/0x9c [ 845.070612] [] ? zone_watermark_ok_safe+0x250/0x250 [ 845.070620] [] ? shrink_node+0x740/0x740 [ 845.070629] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 845.070636] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 845.070644] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 845.070653] [] ? check_preemption_disabled+0x3b/0x200 [ 845.070660] [] ? find_get_entry+0x11a/0x570 [ 845.070667] [] ? find_get_entry+0x141/0x570 [ 845.070674] [] ? page_cache_prev_hole+0x80/0x80 [ 845.070682] [] ? autoremove_wake_function+0x40/0x40 [ 845.070689] [] ? pagecache_get_page+0x131/0x710 [ 845.070697] [] filemap_fault+0xaf1/0x1110 [ 845.070705] [] ext4_filemap_fault+0x71/0xa0 [ 845.070711] [] __do_fault+0x223/0x500 [ 845.070718] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 845.070725] [] ? handle_mm_fault+0x1d4f/0x2350 [ 845.070732] [] handle_mm_fault+0x1326/0x2350 ** 5 printk messages dropped ** [ 845.070777] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 845.070785] [] ? bad_area_access_error+0x3a0/0x3a0 [ 845.070793] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 845.070800] [] do_page_fault+0x27/0x30 [ 845.070807] [] page_fault+0x25/0x30 [ 845.070810] Mem-Info: [ 845.070825] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 845.070825] active_file:15 inactive_file:25 isolated_file:0 [ 845.070825] unevictable:0 dirty:0 writeback:0 unstable:0 [ 845.070825] slab_reclaimable:4630 slab_unreclaimable:56938 [ 845.070825] mapped:9 shmem:48 pagetables:358 bounce:0 [ 845.070825] free:5953 free_pcp:109 free_cma:0 [ 845.070838] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 845.070855] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 845.070881] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 845.070940] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 845.070985] 0 pages in swap cache [ 845.070989] Swap cache stats: add 0, delete 0, find 0/0 [ 845.070991] Free swap = 0kB [ 845.070993] Total swap = 0kB [ 845.070995] 1965979 pages RAM [ 845.070997] 0 pages HighMem/MovableOnly ** 127 printk messages dropped ** [ 845.335640] [] handle_mm_fault+0x1326/0x2350 ** 121 printk messages dropped ** [ 853.234177] lowmem_reserve[]: 0 0 0 ** 91 printk messages dropped ** [ 854.984283] Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 854.984288] 0 pages in swap cache [ 854.984292] Swap cache stats: add 0, delete 0, find 0/0 ** 45 printk messages dropped ** [ 854.989336] lowmem_reserve[]: 0 0 0 [ 854.989387] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 854.989433] 0 pages in swap cache [ 854.989437] Swap cache stats: add 0, delete 0, find 0/0 [ 854.989439] Free swap = 0kB [ 854.989441] Total swap = 0kB [ 854.989443] 1965979 pages RAM [ 854.989445] 0 pages HighMem/MovableOnly [ 854.989447] 313617 pages reserved [ 855.015854] syz-execprog: page allocation stalls for 200020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 855.015860] CPU: 1 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 855.015873] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 855.015883] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 855.015893] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 855.015895] Call Trace: [ 855.015905] [] dump_stack+0xc1/0x128 [ 855.015913] [] warn_alloc.cold.31+0x7f/0x9c [ 855.015921] [] ? zone_watermark_ok_safe+0x250/0x250 [ 855.015929] [] ? shrink_node+0x740/0x740 [ 855.015938] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 855.015947] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 855.015956] [] ? check_preemption_disabled+0x3b/0x200 [ 855.015963] [] ? find_get_entry+0x11a/0x570 [ 855.015971] [] ? find_get_entry+0x141/0x570 [ 855.015978] [] ? page_cache_prev_hole+0x80/0x80 [ 855.015986] [] ? autoremove_wake_function+0x40/0x40 [ 855.015993] [] ? pagecache_get_page+0x131/0x710 [ 855.016001] [] filemap_fault+0xaf1/0x1110 [ 855.016009] [] ext4_filemap_fault+0x71/0xa0 [ 855.016015] [] __do_fault+0x223/0x500 [ 855.016022] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 855.016030] [] ? generic_file_readonly_mmap+0x190/0x190 [ 855.016037] [] handle_mm_fault+0x1326/0x2350 [ 855.016044] [] ? vm_insert_page+0x6f0/0x6f0 [ 855.016052] [] ? selinux_file_permission+0x82/0x470 [ 855.016060] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 855.016068] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 855.016076] [] __do_page_fault+0x403/0xa60 [ 855.016084] [] ? bad_area_access_error+0x3a0/0x3a0 [ 855.016092] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 855.016099] [] do_page_fault+0x27/0x30 [ 855.016107] [] page_fault+0x25/0x30 [ 855.016110] Mem-Info: [ 855.016126] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 855.016126] active_file:15 inactive_file:25 isolated_file:0 [ 855.016126] unevictable:0 dirty:0 writeback:0 unstable:0 [ 855.016126] slab_reclaimable:4630 slab_unreclaimable:56938 [ 855.016126] mapped:9 shmem:48 pagetables:358 bounce:0 [ 855.016126] free:5953 free_pcp:109 free_cma:0 [ 855.016139] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 855.016157] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 855.016182] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 855.016236] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 855.016282] 0 pages in swap cache [ 855.016286] Swap cache stats: add 0, delete 0, find 0/0 [ 855.016288] Free swap = 0kB [ 855.016290] Total swap = 0kB [ 855.016292] 1965979 pages RAM [ 855.016295] 0 pages HighMem/MovableOnly [ 855.016297] 313617 pages reserved [ 855.042964] syz-execprog: page allocation stalls for 200010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 855.042971] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 855.042984] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 855.042993] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 855.043002] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 855.043003] Call Trace: [ 855.043013] [] dump_stack+0xc1/0x128 [ 855.043021] [] warn_alloc.cold.31+0x7f/0x9c [ 855.043029] [] ? zone_watermark_ok_safe+0x250/0x250 [ 855.043037] [] ? shrink_node+0x740/0x740 [ 855.043045] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 855.043052] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 855.043060] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 855.043067] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 855.043074] [] ? find_get_entry+0x11a/0x570 [ 855.043080] [] ? find_get_entry+0x141/0x570 [ 855.043087] [] ? page_cache_prev_hole+0x80/0x80 [ 855.043093] [] ? trace_hardirqs_on+0x10/0x10 [ 855.043101] [] ? pagecache_get_page+0x131/0x710 [ 855.043108] [] filemap_fault+0xaf1/0x1110 [ 855.043115] [] ext4_filemap_fault+0x71/0xa0 [ 855.043121] [] __do_fault+0x223/0x500 [ 855.043127] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 855.043134] [] ? handle_mm_fault+0x1d4f/0x2350 [ 855.043141] [] handle_mm_fault+0x1326/0x2350 [ 855.043149] [] ? poll_select_set_timeout+0xb5/0x120 [ 855.043156] [] ? vm_insert_page+0x6f0/0x6f0 [ 855.043164] [] __do_page_fault+0x403/0xa60 [ 855.043170] [] ? __fget_light+0x169/0x1f0 [ 855.043177] [] ? bad_area_access_error+0x3a0/0x3a0 [ 855.043184] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 855.043191] [] do_page_fault+0x27/0x30 [ 855.043198] [] page_fault+0x25/0x30 [ 855.043201] Mem-Info: [ 855.043215] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 855.043215] active_file:15 inactive_file:25 isolated_file:0 [ 855.043215] unevictable:0 dirty:0 writeback:0 unstable:0 [ 855.043215] slab_reclaimable:4630 slab_unreclaimable:56938 [ 855.043215] mapped:9 shmem:48 pagetables:358 bounce:0 [ 855.043215] free:5953 free_pcp:109 free_cma:0 [ 855.043227] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 855.043244] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 855.043271] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 855.043325] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 855.043377] 0 pages in swap cache [ 855.043381] Swap cache stats: add 0, delete 0, find 0/0 [ 855.043383] Free swap = 0kB [ 855.043385] Total swap = 0kB [ 855.043387] 1965979 pages RAM [ 855.043389] 0 pages HighMem/MovableOnly [ 855.043391] 313617 pages reserved [ 855.074750] syz-executor.3: page allocation stalls for 200010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 855.074758] CPU: 0 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 855.074773] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 855.074783] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 855.074793] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 855.074794] Call Trace: [ 855.074806] [] dump_stack+0xc1/0x128 [ 855.074814] [] warn_alloc.cold.31+0x7f/0x9c [ 855.074823] [] ? zone_watermark_ok_safe+0x250/0x250 [ 855.074831] [] ? shrink_node+0x740/0x740 [ 855.074845] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 855.074852] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 855.074861] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 855.074870] [] ? check_preemption_disabled+0x3b/0x200 [ 855.074877] [] ? find_get_entry+0x11a/0x570 [ 855.074884] [] ? find_get_entry+0x141/0x570 [ 855.074891] [] ? page_cache_prev_hole+0x80/0x80 [ 855.074900] [] ? autoremove_wake_function+0x40/0x40 [ 855.074907] [] ? pagecache_get_page+0x131/0x710 [ 855.074915] [] filemap_fault+0xaf1/0x1110 [ 855.074924] [] ext4_filemap_fault+0x71/0xa0 [ 855.074931] [] __do_fault+0x223/0x500 [ 855.074938] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 14 printk messages dropped ** [ 855.075065] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 855.075082] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 855.075109] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 855.075163] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 855.075209] 0 pages in swap cache [ 855.075213] Swap cache stats: add 0, delete 0, find 0/0 [ 855.075215] Free swap = 0kB [ 855.075217] Total swap = 0kB [ 855.075220] 1965979 pages RAM [ 855.075222] 0 pages HighMem/MovableOnly [ 855.075224] 313617 pages reserved [ 855.081168] syz-executor.4: page allocation stalls for 200030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 855.081175] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 855.081188] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 855.081198] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 855.081208] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 855.081210] Call Trace: [ 855.081219] [] dump_stack+0xc1/0x128 [ 855.081227] [] warn_alloc.cold.31+0x7f/0x9c [ 855.081235] [] ? zone_watermark_ok_safe+0x250/0x250 ** 25 printk messages dropped ** [ 855.081435] [] page_fault+0x25/0x30 [ 855.081438] Mem-Info: ** 100 printk messages dropped ** [ 855.331053] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes ** 216 printk messages dropped ** [ 865.011246] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 48 printk messages dropped ** [ 865.020202] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d315f908 [ 865.020211] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 865.020212] Call Trace: [ 865.020222] [] dump_stack+0xc1/0x128 [ 865.020229] [] warn_alloc.cold.31+0x7f/0x9c [ 865.020237] [] ? zone_watermark_ok_safe+0x250/0x250 [ 865.020244] [] ? shrink_node+0x740/0x740 [ 865.020252] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 865.020259] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 865.020267] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 865.020274] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 865.020280] [] ? find_get_entry+0x11a/0x570 [ 865.020287] [] ? find_get_entry+0x141/0x570 [ 865.020293] [] ? page_cache_prev_hole+0x80/0x80 [ 865.020300] [] ? autoremove_wake_function+0x40/0x40 [ 865.020307] [] ? pagecache_get_page+0x131/0x710 [ 865.020314] [] filemap_fault+0xaf1/0x1110 [ 865.020321] [] ext4_filemap_fault+0x71/0xa0 [ 865.020327] [] __do_fault+0x223/0x500 [ 865.020333] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 865.020340] [] ? handle_mm_fault+0x1d4f/0x2350 [ 865.020346] [] handle_mm_fault+0x1326/0x2350 [ 865.020353] [] ? vm_insert_page+0x6f0/0x6f0 [ 865.020360] [] ? selinux_file_permission+0x82/0x470 [ 865.020368] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 865.020374] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 865.020382] [] __do_page_fault+0x403/0xa60 [ 865.020388] [] ? bad_area_access_error+0x3a0/0x3a0 [ 865.020396] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 865.020403] [] do_page_fault+0x27/0x30 [ 865.020409] [] page_fault+0x25/0x30 [ 865.020412] Mem-Info: [ 865.020426] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 865.020426] active_file:15 inactive_file:25 isolated_file:0 [ 865.020426] unevictable:0 dirty:0 writeback:0 unstable:0 [ 865.020426] slab_reclaimable:4630 slab_unreclaimable:56938 [ 865.020426] mapped:9 shmem:48 pagetables:358 bounce:0 [ 865.020426] free:5953 free_pcp:109 free_cma:0 [ 865.020438] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 865.020454] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 865.020477] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 865.020525] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 865.020566] 0 pages in swap cache [ 865.020570] Swap cache stats: add 0, delete 0, find 0/0 [ 865.020571] Free swap = 0kB [ 865.020573] Total swap = 0kB [ 865.020575] 1965979 pages RAM [ 865.020577] 0 pages HighMem/MovableOnly [ 865.020579] 313617 pages reserved [ 865.059909] syz-executor.4: page allocation stalls for 210010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 865.059918] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 865.059932] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 865.059942] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 865.059952] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 865.059954] Call Trace: [ 865.059967] [] dump_stack+0xc1/0x128 [ 865.059977] [] warn_alloc.cold.31+0x7f/0x9c [ 865.059985] [] ? zone_watermark_ok_safe+0x250/0x250 [ 865.059993] [] ? shrink_node+0x740/0x740 [ 865.060002] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 865.060010] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 865.060019] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 865.060027] [] ? check_preemption_disabled+0x3b/0x200 [ 865.060035] [] ? find_get_entry+0x11a/0x570 [ 865.060042] [] ? find_get_entry+0x141/0x570 [ 865.060049] [] ? page_cache_prev_hole+0x80/0x80 [ 865.060057] [] ? pagecache_get_page+0x131/0x710 [ 865.060064] [] filemap_fault+0xaf1/0x1110 [ 865.060073] [] ext4_filemap_fault+0x71/0xa0 [ 865.060080] [] __do_fault+0x223/0x500 [ 865.060087] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 865.060095] [] ? generic_file_readonly_mmap+0x190/0x190 [ 865.060102] [] handle_mm_fault+0x1326/0x2350 [ 865.060110] [] ? hrtimer_nanosleep+0x38c/0x550 [ 865.060117] [] ? vm_insert_page+0x6f0/0x6f0 [ 865.060125] [] ? compat_SyS_wait4+0x1e9/0x290 [ 865.060132] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 865.060140] [] ? put_compat_rusage+0x550/0x550 [ 865.060149] [] __do_page_fault+0x403/0xa60 [ 865.060157] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 865.060164] [] ? bad_area_access_error+0x3a0/0x3a0 [ 865.060173] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 865.060184] [] do_page_fault+0x27/0x30 [ 865.060192] [] page_fault+0x25/0x30 [ 865.060196] Mem-Info: [ 865.060212] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 865.060212] active_file:15 inactive_file:25 isolated_file:0 [ 865.060212] unevictable:0 dirty:0 writeback:0 unstable:0 [ 865.060212] slab_reclaimable:4630 slab_unreclaimable:56938 [ 865.060212] mapped:9 shmem:48 pagetables:358 bounce:0 [ 865.060212] free:5953 free_pcp:109 free_cma:0 [ 865.060225] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 865.060243] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 865.060269] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 865.060324] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 865.060370] 0 pages in swap cache [ 865.060374] Swap cache stats: add 0, delete 0, find 0/0 [ 865.060376] Free swap = 0kB [ 865.060378] Total swap = 0kB [ 865.060380] 1965979 pages RAM [ 865.060382] 0 pages HighMem/MovableOnly [ 865.060385] 313617 pages reserved [ 865.061849] syz-execprog: page allocation stalls for 210030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 865.061855] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 865.061866] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 865.061877] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 865.061886] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 865.061888] Call Trace: [ 865.061896] [] dump_stack+0xc1/0x128 [ 865.061904] [] warn_alloc.cold.31+0x7f/0x9c [ 865.061912] [] ? zone_watermark_ok_safe+0x250/0x250 [ 865.061919] [] ? shrink_node+0x740/0x740 [ 865.061928] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 865.061935] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 865.061943] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 865.061951] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 865.061958] [] ? find_get_entry+0x11a/0x570 [ 865.061965] [] ? find_get_entry+0x141/0x570 [ 865.061972] [] ? page_cache_prev_hole+0x80/0x80 [ 865.061980] [] ? trace_hardirqs_on+0x10/0x10 [ 865.061987] [] ? pagecache_get_page+0x131/0x710 [ 865.061995] [] filemap_fault+0xaf1/0x1110 [ 865.062002] [] ext4_filemap_fault+0x71/0xa0 [ 865.062009] [] __do_fault+0x223/0x500 [ 865.062027] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 865.062034] [] ? handle_mm_fault+0x1d4f/0x2350 [ 865.062042] [] handle_mm_fault+0x1326/0x2350 [ 865.062050] [] ? poll_select_set_timeout+0xb5/0x120 [ 865.062057] [] ? vm_insert_page+0x6f0/0x6f0 [ 865.062066] [] __do_page_fault+0x403/0xa60 [ 865.062074] [] ? __fget_light+0x169/0x1f0 [ 865.062081] [] ? bad_area_access_error+0x3a0/0x3a0 [ 865.062089] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 4 printk messages dropped ** [ 865.062134] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 865.062152] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 865.062182] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 865.062236] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 865.062281] 0 pages in swap cache [ 865.062285] Swap cache stats: add 0, delete 0, find 0/0 [ 865.062287] Free swap = 0kB [ 865.062289] Total swap = 0kB [ 865.062291] 1965979 pages RAM [ 865.062293] 0 pages HighMem/MovableOnly [ 865.062295] 313617 pages reserved [ 865.089885] syz-executor.3: page allocation stalls for 210030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 865.089892] CPU: 0 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 865.089907] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 865.089917] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 865.089927] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 865.089929] Call Trace: [ 865.089940] [] dump_stack+0xc1/0x128 [ 865.089951] [] warn_alloc.cold.31+0x7f/0x9c [ 865.089960] [] ? zone_watermark_ok_safe+0x250/0x250 [ 865.089968] [] ? shrink_node+0x740/0x740 [ 865.089977] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 199 printk messages dropped ** [ 871.706543] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 871.706543] to free 108kB on behalf of 'syz-execprog' (2156) because [ 871.706543] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 871.706543] Free memory is -13692kB above reserved ** 138 printk messages dropped ** [ 875.001642] Free swap = 0kB [ 875.001644] Total swap = 0kB ** 46 printk messages dropped ** [ 875.011568] 89 total pagecache pages [ 875.011570] 0 pages in swap cache [ 875.011574] Swap cache stats: add 0, delete 0, find 0/0 [ 875.011576] Free swap = 0kB [ 875.011579] Total swap = 0kB [ 875.011581] 1965979 pages RAM [ 875.011583] 0 pages HighMem/MovableOnly [ 875.011585] 313617 pages reserved [ 875.020607] syz-executor.2: page allocation stalls for 220050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 875.020613] CPU: 1 PID: 2177 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 875.020625] ffff8801ca6277c0 ffffffff81b42e79 1ffff100394c4efa ffff8801ca45c740 [ 875.020634] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca627908 [ 875.020643] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 875.020644] Call Trace: [ 875.020654] [] dump_stack+0xc1/0x128 [ 875.020661] [] warn_alloc.cold.31+0x7f/0x9c [ 875.020668] [] ? zone_watermark_ok_safe+0x250/0x250 [ 875.020676] [] ? shrink_node+0x740/0x740 [ 875.020684] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 875.020690] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 875.020699] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 875.020706] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 875.020712] [] ? find_get_entry+0x11a/0x570 [ 875.020718] [] ? find_get_entry+0x141/0x570 [ 875.020725] [] ? page_cache_prev_hole+0x80/0x80 [ 875.020732] [] ? pagecache_get_page+0x131/0x710 [ 875.020738] [] filemap_fault+0xaf1/0x1110 [ 875.020746] [] ext4_filemap_fault+0x71/0xa0 [ 875.020752] [] __do_fault+0x223/0x500 [ 875.020758] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 875.020764] [] ? handle_mm_fault+0x1d4f/0x2350 [ 875.020771] [] handle_mm_fault+0x1326/0x2350 [ 875.020778] [] ? vm_insert_page+0x6f0/0x6f0 [ 875.020784] [] ? putname+0xe0/0x110 [ 875.020792] [] __do_page_fault+0x403/0xa60 [ 875.020799] [] ? bad_area_access_error+0x3a0/0x3a0 [ 875.020807] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 875.020813] [] do_page_fault+0x27/0x30 [ 875.020819] [] page_fault+0x25/0x30 [ 875.020822] Mem-Info: [ 875.020836] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 875.020836] active_file:15 inactive_file:25 isolated_file:0 [ 875.020836] unevictable:0 dirty:0 writeback:0 unstable:0 [ 875.020836] slab_reclaimable:4630 slab_unreclaimable:56938 [ 875.020836] mapped:9 shmem:48 pagetables:358 bounce:0 [ 875.020836] free:5953 free_pcp:109 free_cma:0 [ 875.020848] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 875.020864] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 875.020888] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 875.020940] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 875.020981] 0 pages in swap cache [ 875.020985] Swap cache stats: add 0, delete 0, find 0/0 [ 875.020987] Free swap = 0kB [ 875.020988] Total swap = 0kB [ 875.020991] 1965979 pages RAM [ 875.020993] 0 pages HighMem/MovableOnly [ 875.020995] 313617 pages reserved [ 875.050549] syz-execprog: page allocation stalls for 220020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 875.050556] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 875.050570] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 875.050580] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 875.050590] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 875.050592] Call Trace: [ 875.050604] [] dump_stack+0xc1/0x128 [ 875.050612] [] warn_alloc.cold.31+0x7f/0x9c [ 875.050621] [] ? zone_watermark_ok_safe+0x250/0x250 [ 875.050629] [] ? shrink_node+0x740/0x740 [ 875.050638] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 875.050645] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 875.050654] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 875.050662] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 875.050669] [] ? find_get_entry+0x11a/0x570 [ 875.050676] [] ? find_get_entry+0x141/0x570 [ 875.050683] [] ? page_cache_prev_hole+0x80/0x80 [ 875.050691] [] ? trace_hardirqs_on+0x10/0x10 [ 875.050698] [] ? pagecache_get_page+0x131/0x710 [ 875.050706] [] filemap_fault+0xaf1/0x1110 [ 875.050714] [] ext4_filemap_fault+0x71/0xa0 [ 875.050721] [] __do_fault+0x223/0x500 [ 875.050728] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 875.050735] [] ? handle_mm_fault+0x1d4f/0x2350 [ 875.050743] [] handle_mm_fault+0x1326/0x2350 [ 875.050751] [] ? poll_select_set_timeout+0xb5/0x120 [ 875.050759] [] ? vm_insert_page+0x6f0/0x6f0 [ 875.050768] [] __do_page_fault+0x403/0xa60 [ 875.050775] [] ? __fget_light+0x169/0x1f0 [ 875.050783] [] ? bad_area_access_error+0x3a0/0x3a0 [ 875.050791] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 875.050798] [] do_page_fault+0x27/0x30 [ 875.050806] [] page_fault+0x25/0x30 [ 875.050809] Mem-Info: [ 875.050825] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 875.050825] active_file:15 inactive_file:25 isolated_file:0 [ 875.050825] unevictable:0 dirty:0 writeback:0 unstable:0 [ 875.050825] slab_reclaimable:4630 slab_unreclaimable:56938 [ 875.050825] mapped:9 shmem:48 pagetables:358 bounce:0 [ 875.050825] free:5953 free_pcp:109 free_cma:0 [ 875.050838] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 875.050856] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 875.050882] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 875.050942] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 875.050988] 0 pages in swap cache [ 875.050992] Swap cache stats: add 0, delete 0, find 0/0 [ 875.050994] Free swap = 0kB [ 875.050996] Total swap = 0kB [ 875.050998] 1965979 pages RAM [ 875.051000] 0 pages HighMem/MovableOnly [ 875.051002] 313617 pages reserved [ 875.065145] syz-executor.4: page allocation stalls for 220010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 875.065152] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 875.065165] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 875.065175] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 875.065186] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 875.065187] Call Trace: [ 875.065197] [] dump_stack+0xc1/0x128 [ 875.065205] [] warn_alloc.cold.31+0x7f/0x9c [ 875.065213] [] ? zone_watermark_ok_safe+0x250/0x250 [ 875.065221] [] ? shrink_node+0x740/0x740 [ 875.065230] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 875.065237] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 875.065247] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 875.065255] [] ? check_preemption_disabled+0x3b/0x200 [ 875.065262] [] ? find_get_entry+0x11a/0x570 [ 875.065269] [] ? find_get_entry+0x141/0x570 [ 875.065276] [] ? page_cache_prev_hole+0x80/0x80 [ 875.065284] [] ? pagecache_get_page+0x131/0x710 [ 875.065292] [] filemap_fault+0xaf1/0x1110 [ 875.065300] [] ext4_filemap_fault+0x71/0xa0 [ 875.065307] [] __do_fault+0x223/0x500 [ 875.065313] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 875.065321] [] ? generic_file_readonly_mmap+0x190/0x190 [ 875.065328] [] handle_mm_fault+0x1326/0x2350 [ 875.065336] [] ? hrtimer_nanosleep+0x38c/0x550 [ 875.065343] [] ? vm_insert_page+0x6f0/0x6f0 [ 875.065352] [] ? compat_SyS_wait4+0x1e9/0x290 [ 875.065359] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 875.065367] [] ? put_compat_rusage+0x550/0x550 [ 875.065375] [] __do_page_fault+0x403/0xa60 [ 875.065383] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 875.065391] [] ? bad_area_access_error+0x3a0/0x3a0 [ 875.065399] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 875.065406] [] do_page_fault+0x27/0x30 [ 875.065413] [] page_fault+0x25/0x30 [ 875.065416] Mem-Info: [ 875.065432] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 875.065432] active_file:15 inactive_file:25 isolated_file:0 [ 875.065432] unevictable:0 dirty:0 writeback:0 unstable:0 [ 875.065432] slab_reclaimable:4630 slab_unreclaimable:56938 [ 875.065432] mapped:9 shmem:48 pagetables:358 bounce:0 [ 875.065432] free:5953 free_pcp:109 free_cma:0 [ 875.065445] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 875.065462] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 875.065488] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 875.065542] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 875.065587] 0 pages in swap cache [ 875.065591] Swap cache stats: add 0, delete 0, find 0/0 [ 875.065593] Free swap = 0kB [ 875.065595] Total swap = 0kB [ 875.065597] 1965979 pages RAM [ 875.065599] 0 pages HighMem/MovableOnly [ 875.065602] 313617 pages reserved [ 875.095281] syz-executor.3: page allocation stalls for 220030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 875.095289] CPU: 0 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 875.095305] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 875.095315] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 875.095325] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 875.095327] Call Trace: [ 875.095341] [] dump_stack+0xc1/0x128 [ 875.095350] [] warn_alloc.cold.31+0x7f/0x9c ** 19 printk messages dropped ** [ 875.095504] [] ? enqueue_hrtimer+0x3a0/0x3a0 ** 149 printk messages dropped ** [ 879.780768] [] ext4_filemap_fault+0x71/0xa0 ** 87 printk messages dropped ** [ 884.836538] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 884.836538] to free 108kB on behalf of 'syz-execprog' (2156) because [ 884.836538] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 884.836538] Free memory is -13692kB above reserved ** 94 printk messages dropped ** [ 885.011174] CPU: 1 PID: 2177 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 885.011188] ffff8801ca6277c0 ffffffff81b42e79 1ffff100394c4efa ffff8801ca45c740 [ 885.011199] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca627908 ** 45 printk messages dropped ** [ 885.041755] CPU: 1 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 885.041769] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 885.041778] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 885.041786] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 885.041788] Call Trace: [ 885.041800] [] dump_stack+0xc1/0x128 [ 885.041808] [] warn_alloc.cold.31+0x7f/0x9c [ 885.041817] [] ? zone_watermark_ok_safe+0x250/0x250 [ 885.041824] [] ? shrink_node+0x740/0x740 [ 885.041833] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 885.041841] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 885.041850] [] ? check_preemption_disabled+0x3b/0x200 [ 885.041856] [] ? find_get_entry+0x11a/0x570 [ 885.041863] [] ? find_get_entry+0x141/0x570 [ 885.041869] [] ? page_cache_prev_hole+0x80/0x80 [ 885.041878] [] ? autoremove_wake_function+0x40/0x40 [ 885.041885] [] ? pagecache_get_page+0x131/0x710 [ 885.041892] [] filemap_fault+0xaf1/0x1110 [ 885.041899] [] ext4_filemap_fault+0x71/0xa0 [ 885.041906] [] __do_fault+0x223/0x500 [ 885.041912] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 885.041919] [] ? generic_file_readonly_mmap+0x190/0x190 [ 885.041926] [] handle_mm_fault+0x1326/0x2350 [ 885.041933] [] ? vm_insert_page+0x6f0/0x6f0 [ 885.041940] [] ? selinux_file_permission+0x82/0x470 [ 885.041949] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 885.041956] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 885.041964] [] __do_page_fault+0x403/0xa60 [ 885.041971] [] ? bad_area_access_error+0x3a0/0x3a0 [ 885.041979] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 885.041985] [] do_page_fault+0x27/0x30 [ 885.041992] [] page_fault+0x25/0x30 [ 885.041995] Mem-Info: [ 885.042010] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 885.042010] active_file:15 inactive_file:25 isolated_file:0 [ 885.042010] unevictable:0 dirty:0 writeback:0 unstable:0 [ 885.042010] slab_reclaimable:4630 slab_unreclaimable:56938 [ 885.042010] mapped:9 shmem:48 pagetables:358 bounce:0 [ 885.042010] free:5953 free_pcp:109 free_cma:0 [ 885.042022] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 885.042038] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 885.042062] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 885.042111] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 885.042151] 0 pages in swap cache [ 885.042156] Swap cache stats: add 0, delete 0, find 0/0 [ 885.042158] Free swap = 0kB [ 885.042160] Total swap = 0kB [ 885.042162] 1965979 pages RAM [ 885.042164] 0 pages HighMem/MovableOnly [ 885.042165] 313617 pages reserved [ 885.050188] syz-execprog: page allocation stalls for 230020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 885.050194] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 885.050205] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 885.050215] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 885.050223] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 885.050225] Call Trace: [ 885.050235] [] dump_stack+0xc1/0x128 [ 885.050242] [] warn_alloc.cold.31+0x7f/0x9c [ 885.050249] [] ? zone_watermark_ok_safe+0x250/0x250 [ 885.050256] [] ? shrink_node+0x740/0x740 [ 885.050265] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 885.050271] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 885.050279] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 885.050286] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 885.050297] [] ? find_get_entry+0x11a/0x570 [ 885.050304] [] ? find_get_entry+0x141/0x570 [ 885.050310] [] ? page_cache_prev_hole+0x80/0x80 [ 885.050317] [] ? trace_hardirqs_on+0x10/0x10 [ 885.050324] [] ? pagecache_get_page+0x131/0x710 [ 885.050331] [] filemap_fault+0xaf1/0x1110 [ 885.050338] [] ext4_filemap_fault+0x71/0xa0 [ 885.050344] [] __do_fault+0x223/0x500 [ 885.050351] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 885.050357] [] ? handle_mm_fault+0x1d4f/0x2350 [ 885.050364] [] handle_mm_fault+0x1326/0x2350 [ 885.050372] [] ? poll_select_set_timeout+0xb5/0x120 [ 885.050378] [] ? vm_insert_page+0x6f0/0x6f0 [ 885.050386] [] __do_page_fault+0x403/0xa60 [ 885.050393] [] ? __fget_light+0x169/0x1f0 [ 885.050400] [] ? bad_area_access_error+0x3a0/0x3a0 [ 885.050408] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 885.050414] [] do_page_fault+0x27/0x30 [ 885.050420] [] page_fault+0x25/0x30 [ 885.050423] Mem-Info: [ 885.050437] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 885.050437] active_file:15 inactive_file:25 isolated_file:0 [ 885.050437] unevictable:0 dirty:0 writeback:0 unstable:0 [ 885.050437] slab_reclaimable:4630 slab_unreclaimable:56938 [ 885.050437] mapped:9 shmem:48 pagetables:358 bounce:0 [ 885.050437] free:5953 free_pcp:109 free_cma:0 [ 885.050449] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 885.050465] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 885.050489] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 885.050536] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 885.050578] 0 pages in swap cache [ 885.050582] Swap cache stats: add 0, delete 0, find 0/0 [ 885.050584] Free swap = 0kB [ 885.050585] Total swap = 0kB [ 885.050587] 1965979 pages RAM [ 885.050589] 0 pages HighMem/MovableOnly [ 885.050591] 313617 pages reserved [ 885.094728] syz-executor.4: page allocation stalls for 230040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 885.094735] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 885.094750] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 885.094760] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 885.094771] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 885.094772] Call Trace: [ 885.094784] [] dump_stack+0xc1/0x128 [ 885.094794] [] warn_alloc.cold.31+0x7f/0x9c [ 885.094803] [] ? zone_watermark_ok_safe+0x250/0x250 [ 885.094811] [] ? shrink_node+0x740/0x740 [ 885.094820] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 885.094828] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 885.094837] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 885.094845] [] ? check_preemption_disabled+0x3b/0x200 [ 885.094853] [] ? find_get_entry+0x11a/0x570 [ 885.094860] [] ? find_get_entry+0x141/0x570 [ 885.094867] [] ? page_cache_prev_hole+0x80/0x80 [ 885.094874] [] ? pagecache_get_page+0x131/0x710 [ 885.094882] [] filemap_fault+0xaf1/0x1110 [ 885.094890] [] ext4_filemap_fault+0x71/0xa0 [ 885.094897] [] __do_fault+0x223/0x500 [ 885.094904] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 885.094912] [] ? generic_file_readonly_mmap+0x190/0x190 [ 885.094919] [] handle_mm_fault+0x1326/0x2350 [ 885.094927] [] ? hrtimer_nanosleep+0x38c/0x550 [ 885.094934] [] ? vm_insert_page+0x6f0/0x6f0 [ 885.094943] [] ? compat_SyS_wait4+0x1e9/0x290 [ 885.094950] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 885.094958] [] ? put_compat_rusage+0x550/0x550 [ 885.094967] [] __do_page_fault+0x403/0xa60 [ 885.094975] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 885.094982] [] ? bad_area_access_error+0x3a0/0x3a0 [ 885.094991] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 885.094998] [] do_page_fault+0x27/0x30 [ 885.095005] [] page_fault+0x25/0x30 [ 885.095009] Mem-Info: [ 885.095025] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 885.095025] active_file:15 inactive_file:25 isolated_file:0 [ 885.095025] unevictable:0 dirty:0 writeback:0 unstable:0 [ 885.095025] slab_reclaimable:4630 slab_unreclaimable:56938 [ 885.095025] mapped:9 shmem:48 pagetables:358 bounce:0 [ 885.095025] free:5953 free_pcp:109 free_cma:0 [ 885.095038] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 885.095055] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 885.095081] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 885.095136] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 885.095182] 0 pages in swap cache [ 885.095186] Swap cache stats: add 0, delete 0, find 0/0 [ 885.095188] Free swap = 0kB [ 885.095190] Total swap = 0kB [ 885.095193] 1965979 pages RAM [ 885.095195] 0 pages HighMem/MovableOnly [ 885.095197] 313617 pages reserved [ 885.096022] syz-executor.3: page allocation stalls for 230030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 885.096028] CPU: 0 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 885.096040] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 885.096050] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 885.096060] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 885.096062] Call Trace: [ 885.096070] [] dump_stack+0xc1/0x128 [ 885.096078] [] warn_alloc.cold.31+0x7f/0x9c [ 885.096086] [] ? zone_watermark_ok_safe+0x250/0x250 [ 885.096094] [] ? shrink_node+0x740/0x740 [ 885.096103] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 16 printk messages dropped ** [ 885.096227] [] ? enqueue_hrtimer+0x3a0/0x3a0 ** 98 printk messages dropped ** [ 885.331460] [] handle_mm_fault+0x1326/0x2350 ** 81 printk messages dropped ** [ 891.906558] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 891.906558] to free 108kB on behalf of 'syz-executor.3' (2178) because [ 891.906558] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 891.906558] Free memory is -13692kB above reserved ** 135 printk messages dropped ** [ 894.979403] 89 total pagecache pages [ 894.979406] 0 pages in swap cache ** 48 printk messages dropped ** [ 894.996215] Swap cache stats: add 0, delete 0, find 0/0 [ 894.996217] Free swap = 0kB [ 894.996219] Total swap = 0kB [ 894.996222] 1965979 pages RAM [ 894.996224] 0 pages HighMem/MovableOnly [ 894.996226] 313617 pages reserved [ 895.037501] syz-execprog: page allocation stalls for 240010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 895.037509] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 895.037523] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 895.037533] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 895.037543] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 895.037544] Call Trace: [ 895.037557] [] dump_stack+0xc1/0x128 [ 895.037565] [] warn_alloc.cold.31+0x7f/0x9c [ 895.037575] [] ? zone_watermark_ok_safe+0x250/0x250 [ 895.037583] [] ? shrink_node+0x740/0x740 [ 895.037592] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 895.037599] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.037608] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 895.037616] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 895.037623] [] ? find_get_entry+0x11a/0x570 [ 895.037630] [] ? find_get_entry+0x141/0x570 [ 895.037638] [] ? page_cache_prev_hole+0x80/0x80 [ 895.037645] [] ? trace_hardirqs_on+0x10/0x10 [ 895.037656] [] ? pagecache_get_page+0x131/0x710 [ 895.037664] [] filemap_fault+0xaf1/0x1110 [ 895.037673] [] ext4_filemap_fault+0x71/0xa0 [ 895.037680] [] __do_fault+0x223/0x500 [ 895.037686] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 895.037694] [] ? handle_mm_fault+0x1d4f/0x2350 [ 895.037701] [] handle_mm_fault+0x1326/0x2350 [ 895.037710] [] ? poll_select_set_timeout+0xb5/0x120 [ 895.037717] [] ? vm_insert_page+0x6f0/0x6f0 [ 895.037727] [] __do_page_fault+0x403/0xa60 [ 895.037734] [] ? __fget_light+0x169/0x1f0 [ 895.037742] [] ? bad_area_access_error+0x3a0/0x3a0 [ 895.037751] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 895.037758] [] do_page_fault+0x27/0x30 [ 895.037767] [] page_fault+0x25/0x30 [ 895.037770] Mem-Info: [ 895.037786] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 895.037786] active_file:15 inactive_file:25 isolated_file:0 [ 895.037786] unevictable:0 dirty:0 writeback:0 unstable:0 [ 895.037786] slab_reclaimable:4630 slab_unreclaimable:56938 [ 895.037786] mapped:9 shmem:48 pagetables:358 bounce:0 [ 895.037786] free:5953 free_pcp:109 free_cma:0 [ 895.037799] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 895.037817] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 895.037843] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 895.037897] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 895.037943] 0 pages in swap cache [ 895.037947] Swap cache stats: add 0, delete 0, find 0/0 [ 895.037949] Free swap = 0kB [ 895.037951] Total swap = 0kB [ 895.037954] 1965979 pages RAM [ 895.037956] 0 pages HighMem/MovableOnly [ 895.037958] 313617 pages reserved [ 895.042683] syz-execprog: page allocation stalls for 240050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 895.042689] CPU: 1 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 895.042701] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 895.042711] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 895.042721] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 895.042723] Call Trace: [ 895.042732] [] dump_stack+0xc1/0x128 [ 895.042740] [] warn_alloc.cold.31+0x7f/0x9c [ 895.042748] [] ? zone_watermark_ok_safe+0x250/0x250 [ 895.042756] [] ? shrink_node+0x740/0x740 [ 895.042765] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 895.042774] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 895.042782] [] ? check_preemption_disabled+0x3b/0x200 [ 895.042789] [] ? find_get_entry+0x11a/0x570 [ 895.042796] [] ? find_get_entry+0x141/0x570 [ 895.042803] [] ? page_cache_prev_hole+0x80/0x80 [ 895.042811] [] ? autoremove_wake_function+0x40/0x40 [ 895.042818] [] ? pagecache_get_page+0x131/0x710 [ 895.042826] [] filemap_fault+0xaf1/0x1110 [ 895.042834] [] ext4_filemap_fault+0x71/0xa0 [ 895.042840] [] __do_fault+0x223/0x500 [ 895.042847] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 895.042855] [] ? generic_file_readonly_mmap+0x190/0x190 [ 895.042862] [] handle_mm_fault+0x1326/0x2350 [ 895.042869] [] ? vm_insert_page+0x6f0/0x6f0 [ 895.042877] [] ? selinux_file_permission+0x82/0x470 [ 895.042886] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 895.042894] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.042902] [] __do_page_fault+0x403/0xa60 [ 895.042909] [] ? bad_area_access_error+0x3a0/0x3a0 [ 895.042918] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 895.042925] [] do_page_fault+0x27/0x30 [ 895.042932] [] page_fault+0x25/0x30 [ 895.042935] Mem-Info: [ 895.042950] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 895.042950] active_file:15 inactive_file:25 isolated_file:0 [ 895.042950] unevictable:0 dirty:0 writeback:0 unstable:0 [ 895.042950] slab_reclaimable:4630 slab_unreclaimable:56938 [ 895.042950] mapped:9 shmem:48 pagetables:358 bounce:0 [ 895.042950] free:5953 free_pcp:109 free_cma:0 [ 895.042962] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 895.042980] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 895.043005] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 895.043059] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 895.043104] 0 pages in swap cache [ 895.043108] Swap cache stats: add 0, delete 0, find 0/0 [ 895.043110] Free swap = 0kB [ 895.043112] Total swap = 0kB [ 895.043115] 1965979 pages RAM [ 895.043117] 0 pages HighMem/MovableOnly [ 895.043119] 313617 pages reserved [ 895.067660] syz-executor.3: page allocation stalls for 240010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 895.067666] CPU: 1 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 895.067679] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 895.067688] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 895.067697] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 895.067698] Call Trace: [ 895.067709] [] dump_stack+0xc1/0x128 [ 895.067717] [] warn_alloc.cold.31+0x7f/0x9c [ 895.067725] [] ? zone_watermark_ok_safe+0x250/0x250 [ 895.067733] [] ? shrink_node+0x740/0x740 [ 895.067741] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 895.067748] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.067756] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 895.067764] [] ? check_preemption_disabled+0x3b/0x200 [ 895.067770] [] ? find_get_entry+0x11a/0x570 [ 895.067777] [] ? find_get_entry+0x141/0x570 [ 895.067784] [] ? page_cache_prev_hole+0x80/0x80 [ 895.067791] [] ? autoremove_wake_function+0x40/0x40 [ 895.067798] [] ? pagecache_get_page+0x131/0x710 [ 895.067805] [] filemap_fault+0xaf1/0x1110 [ 895.067813] [] ext4_filemap_fault+0x71/0xa0 [ 895.067819] [] __do_fault+0x223/0x500 [ 895.067825] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 895.067831] [] ? handle_mm_fault+0x1d4f/0x2350 [ 895.067838] [] handle_mm_fault+0x1326/0x2350 [ 895.067845] [] ? hrtimer_nanosleep+0x38c/0x550 [ 895.067851] [] ? vm_insert_page+0x6f0/0x6f0 [ 895.067858] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 895.067864] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.067872] [] __do_page_fault+0x403/0xa60 [ 895.067880] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 895.067887] [] ? bad_area_access_error+0x3a0/0x3a0 [ 895.067895] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 895.067901] [] do_page_fault+0x27/0x30 [ 895.067907] [] page_fault+0x25/0x30 [ 895.067910] Mem-Info: [ 895.067925] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 895.067925] active_file:15 inactive_file:25 isolated_file:0 [ 895.067925] unevictable:0 dirty:0 writeback:0 unstable:0 [ 895.067925] slab_reclaimable:4630 slab_unreclaimable:56938 [ 895.067925] mapped:9 shmem:48 pagetables:358 bounce:0 [ 895.067925] free:5953 free_pcp:109 free_cma:0 ** 2 printk messages dropped ** [ 895.067959] lowmem_reserve[]: 0 3505 3505 [ 895.067976] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227412kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:316kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 895.068024] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 895.068065] 0 pages in swap cache [ 895.068068] Swap cache stats: add 0, delete 0, find 0/0 [ 895.068070] Free swap = 0kB [ 895.068072] Total swap = 0kB [ 895.068074] 1965979 pages RAM [ 895.068076] 0 pages HighMem/MovableOnly [ 895.068077] 313617 pages reserved [ 895.072074] syz-executor.4: page allocation stalls for 240020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 895.072080] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 895.072092] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 895.072101] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 895.072110] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 895.072111] Call Trace: [ 895.072119] [] dump_stack+0xc1/0x128 [ 895.072126] [] warn_alloc.cold.31+0x7f/0x9c [ 895.072134] [] ? zone_watermark_ok_safe+0x250/0x250 [ 895.072141] [] ? shrink_node+0x740/0x740 [ 895.072149] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 895.072155] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.072163] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 895.072170] [] ? check_preemption_disabled+0x3b/0x200 [ 895.072177] [] ? find_get_entry+0x11a/0x570 [ 895.072184] [] ? find_get_entry+0x141/0x570 ** 19 printk messages dropped ** [ 895.072314] Mem-Info: [ 895.072328] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 895.072328] active_file:15 inactive_file:25 isolated_file:0 [ 895.072328] unevictable:0 dirty:0 writeback:0 unstable:0 [ 895.072328] slab_reclaimable:4630 slab_unreclaimable:56938 [ 895.072328] mapped:9 shmem:48 pagetables:358 bounce:0 [ 895.072328] free:5953 free_pcp:109 free_cma:0 ** 331 printk messages dropped ** [ 905.000705] 5*4kB ** 10 printk messages dropped ** [ 905.000739] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 905.000746] 6*32kB ** 83 printk messages dropped ** [ 905.001038] Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 905.001043] 0 pages in swap cache [ 905.001046] Swap cache stats: add 0, delete 0, find 0/0 [ 905.001048] Free swap = 0kB [ 905.001051] Total swap = 0kB [ 905.001053] 1965979 pages RAM [ 905.001055] 0 pages HighMem/MovableOnly [ 905.001057] 313617 pages reserved [ 905.020490] rs:main Q:Reg: page allocation stalls for 250050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 905.020498] CPU: 1 PID: 1893 Comm: rs:main Q:Reg Not tainted 4.9.141+ #23 [ 905.020511] ffff8801d315f7c0 ffffffff81b42e79 1ffff1003a62befa ffff8801d3dcc740 [ 905.020521] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d315f908 [ 905.020531] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 905.020533] Call Trace: [ 905.020544] [] dump_stack+0xc1/0x128 [ 905.020552] [] warn_alloc.cold.31+0x7f/0x9c [ 905.020561] [] ? zone_watermark_ok_safe+0x250/0x250 [ 905.020568] [] ? shrink_node+0x740/0x740 [ 905.020578] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 905.020585] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 905.020594] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 905.020602] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 905.020609] [] ? find_get_entry+0x11a/0x570 [ 905.020616] [] ? find_get_entry+0x141/0x570 [ 905.020623] [] ? page_cache_prev_hole+0x80/0x80 [ 905.020631] [] ? autoremove_wake_function+0x40/0x40 [ 905.020639] [] ? pagecache_get_page+0x131/0x710 [ 905.020646] [] filemap_fault+0xaf1/0x1110 [ 905.020654] [] ext4_filemap_fault+0x71/0xa0 [ 905.020661] [] __do_fault+0x223/0x500 [ 905.020668] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 905.020675] [] ? handle_mm_fault+0x1d4f/0x2350 [ 905.020682] [] handle_mm_fault+0x1326/0x2350 [ 905.020689] [] ? vm_insert_page+0x6f0/0x6f0 [ 905.020698] [] ? selinux_file_permission+0x82/0x470 [ 905.020707] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 905.020714] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 905.020722] [] __do_page_fault+0x403/0xa60 [ 905.020730] [] ? bad_area_access_error+0x3a0/0x3a0 [ 905.020739] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 905.020745] [] do_page_fault+0x27/0x30 [ 905.020753] [] page_fault+0x25/0x30 [ 905.020756] Mem-Info: [ 905.020772] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 905.020772] active_file:15 inactive_file:25 isolated_file:0 [ 905.020772] unevictable:0 dirty:0 writeback:0 unstable:0 [ 905.020772] slab_reclaimable:4630 slab_unreclaimable:56939 [ 905.020772] mapped:9 shmem:48 pagetables:358 bounce:0 [ 905.020772] free:5953 free_pcp:108 free_cma:0 [ 905.020784] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 905.020802] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 905.020828] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227416kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:312kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 905.020882] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 905.020928] 0 pages in swap cache [ 905.020932] Swap cache stats: add 0, delete 0, find 0/0 [ 905.020937] Free swap = 0kB [ 905.020939] Total swap = 0kB [ 905.020942] 1965979 pages RAM [ 905.020944] 0 pages HighMem/MovableOnly [ 905.020946] 313617 pages reserved [ 905.036554] lowmemorykiller: Killing 'syz-executor.1' (2323) (tgid 2321), adj 1000, [ 905.036554] to free 108kB on behalf of 'syz-executor.5' (2348) because [ 905.036554] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 905.036554] Free memory is -13692kB above reserved [ 905.065402] syz-execprog: page allocation stalls for 250030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 905.065410] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 905.065426] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 905.065436] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 905.065446] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 905.065448] Call Trace: [ 905.065463] [] dump_stack+0xc1/0x128 [ 905.065473] [] warn_alloc.cold.31+0x7f/0x9c [ 905.065482] [] ? zone_watermark_ok_safe+0x250/0x250 [ 905.065490] [] ? shrink_node+0x740/0x740 [ 905.065499] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 905.065507] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 905.065516] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 905.065524] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 905.065532] [] ? find_get_entry+0x11a/0x570 [ 905.065539] [] ? find_get_entry+0x141/0x570 [ 905.065546] [] ? page_cache_prev_hole+0x80/0x80 [ 905.065554] [] ? trace_hardirqs_on+0x10/0x10 [ 905.065562] [] ? pagecache_get_page+0x131/0x710 [ 905.065569] [] filemap_fault+0xaf1/0x1110 [ 905.065578] [] ext4_filemap_fault+0x71/0xa0 [ 905.065585] [] __do_fault+0x223/0x500 [ 905.065592] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 905.065599] [] ? handle_mm_fault+0x1d4f/0x2350 [ 905.065606] [] handle_mm_fault+0x1326/0x2350 [ 905.065614] [] ? poll_select_set_timeout+0xb5/0x120 [ 905.065622] [] ? vm_insert_page+0x6f0/0x6f0 [ 905.065631] [] __do_page_fault+0x403/0xa60 [ 905.065638] [] ? __fget_light+0x169/0x1f0 [ 905.065645] [] ? bad_area_access_error+0x3a0/0x3a0 [ 905.065654] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 905.065661] [] do_page_fault+0x27/0x30 [ 905.065669] [] page_fault+0x25/0x30 [ 905.065673] Mem-Info: [ 905.065689] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 905.065689] active_file:15 inactive_file:25 isolated_file:0 [ 905.065689] unevictable:0 dirty:0 writeback:0 unstable:0 [ 905.065689] slab_reclaimable:4630 slab_unreclaimable:56939 [ 905.065689] mapped:9 shmem:48 pagetables:358 bounce:0 [ 905.065689] free:5953 free_pcp:108 free_cma:0 [ 905.065702] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 905.065720] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 905.065746] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227416kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:312kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 905.065801] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 905.065846] 0 pages in swap cache [ 905.065850] Swap cache stats: add 0, delete 0, find 0/0 [ 905.065853] Free swap = 0kB [ 905.065855] Total swap = 0kB [ 905.065857] 1965979 pages RAM [ 905.065859] 0 pages HighMem/MovableOnly [ 905.065861] 313617 pages reserved [ 905.070597] syz-executor.3: page allocation stalls for 250010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 905.070604] CPU: 1 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 905.070617] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 905.070627] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 905.070637] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 905.070638] Call Trace: [ 905.070648] [] dump_stack+0xc1/0x128 [ 905.070656] [] warn_alloc.cold.31+0x7f/0x9c [ 905.070664] [] ? zone_watermark_ok_safe+0x250/0x250 [ 905.070672] [] ? shrink_node+0x740/0x740 [ 905.070681] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 905.070687] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 905.070696] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 905.070705] [] ? check_preemption_disabled+0x3b/0x200 [ 905.070712] [] ? find_get_entry+0x11a/0x570 [ 905.070719] [] ? find_get_entry+0x141/0x570 [ 905.070726] [] ? page_cache_prev_hole+0x80/0x80 [ 905.070735] [] ? autoremove_wake_function+0x40/0x40 [ 905.070742] [] ? pagecache_get_page+0x131/0x710 [ 905.070749] [] filemap_fault+0xaf1/0x1110 ** 12 printk messages dropped ** [ 905.070846] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 4 printk messages dropped ** [ 905.070892] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 905.070909] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 905.070933] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227416kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:312kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 905.070991] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 905.071036] 0 pages in swap cache [ 905.071040] Swap cache stats: add 0, delete 0, find 0/0 [ 905.071042] Free swap = 0kB [ 905.071045] Total swap = 0kB [ 905.071047] 1965979 pages RAM [ 905.071049] 0 pages HighMem/MovableOnly [ 905.071051] 313617 pages reserved [ 905.124350] syz-executor.4: page allocation stalls for 250070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 905.124359] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 905.124375] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 905.124384] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 905.124394] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 905.124396] Call Trace: [ 905.124414] [] dump_stack+0xc1/0x128 [ 905.124424] [] warn_alloc.cold.31+0x7f/0x9c ** 76 printk messages dropped ** [ 905.140820] [] page_fault+0x25/0x30 ** 85 printk messages dropped ** [ 909.781290] [] ? radix_tree_lookup_slot+0x85/0xc0 ** 136 printk messages dropped ** [ 914.995308] [] warn_alloc.cold.31+0x7f/0x9c ** 49 printk messages dropped ** [ 915.002285] [] ? shrink_node+0x740/0x740 [ 915.002294] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 915.002303] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 49 printk messages dropped ** [ 915.020238] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 915.020246] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 915.020253] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 915.020260] [] ? find_get_entry+0x11a/0x570 [ 915.020266] [] ? find_get_entry+0x141/0x570 [ 915.020273] [] ? page_cache_prev_hole+0x80/0x80 [ 915.020280] [] ? autoremove_wake_function+0x40/0x40 [ 915.020287] [] ? pagecache_get_page+0x131/0x710 [ 915.020293] [] filemap_fault+0xaf1/0x1110 [ 915.020301] [] ext4_filemap_fault+0x71/0xa0 [ 915.020307] [] __do_fault+0x223/0x500 [ 915.020313] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 915.020320] [] ? handle_mm_fault+0x1d4f/0x2350 [ 915.020327] [] handle_mm_fault+0x1326/0x2350 [ 915.020334] [] ? vm_insert_page+0x6f0/0x6f0 [ 915.020341] [] ? selinux_file_permission+0x82/0x470 [ 915.020349] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 915.020355] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 915.020368] [] __do_page_fault+0x403/0xa60 [ 915.020375] [] ? bad_area_access_error+0x3a0/0x3a0 [ 915.020383] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 915.020389] [] do_page_fault+0x27/0x30 [ 915.020396] [] page_fault+0x25/0x30 [ 915.020399] Mem-Info: [ 915.020414] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 915.020414] active_file:15 inactive_file:25 isolated_file:0 [ 915.020414] unevictable:0 dirty:0 writeback:0 unstable:0 [ 915.020414] slab_reclaimable:4630 slab_unreclaimable:56940 [ 915.020414] mapped:9 shmem:48 pagetables:358 bounce:0 [ 915.020414] free:5953 free_pcp:107 free_cma:0 [ 915.020426] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 915.020442] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 915.020465] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227420kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:308kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 915.020514] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 915.020556] 0 pages in swap cache [ 915.020559] Swap cache stats: add 0, delete 0, find 0/0 [ 915.020561] Free swap = 0kB [ 915.020563] Total swap = 0kB [ 915.020565] 1965979 pages RAM [ 915.020567] 0 pages HighMem/MovableOnly [ 915.020569] 313617 pages reserved [ 915.081181] syz-execprog: page allocation stalls for 260050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 915.081189] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 915.081204] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 915.081214] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 915.081224] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 915.081226] Call Trace: [ 915.081240] [] dump_stack+0xc1/0x128 [ 915.081248] [] warn_alloc.cold.31+0x7f/0x9c [ 915.081258] [] ? zone_watermark_ok_safe+0x250/0x250 [ 915.081266] [] ? shrink_node+0x740/0x740 [ 915.081275] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 915.081283] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 915.081292] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 915.081300] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 915.081307] [] ? find_get_entry+0x11a/0x570 [ 915.081314] [] ? find_get_entry+0x141/0x570 [ 915.081321] [] ? page_cache_prev_hole+0x80/0x80 [ 915.081329] [] ? trace_hardirqs_on+0x10/0x10 [ 915.081336] [] ? pagecache_get_page+0x131/0x710 [ 915.081344] [] filemap_fault+0xaf1/0x1110 [ 915.081352] [] ext4_filemap_fault+0x71/0xa0 [ 915.081364] [] __do_fault+0x223/0x500 [ 915.081371] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 915.081378] [] ? handle_mm_fault+0x1d4f/0x2350 [ 915.081386] [] handle_mm_fault+0x1326/0x2350 [ 915.081395] [] ? poll_select_set_timeout+0xb5/0x120 [ 915.081402] [] ? vm_insert_page+0x6f0/0x6f0 [ 915.081411] [] __do_page_fault+0x403/0xa60 [ 915.081419] [] ? __fget_light+0x169/0x1f0 [ 915.081427] [] ? bad_area_access_error+0x3a0/0x3a0 [ 915.081436] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 915.081443] [] do_page_fault+0x27/0x30 [ 915.081451] [] page_fault+0x25/0x30 [ 915.081454] Mem-Info: [ 915.081471] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 915.081471] active_file:15 inactive_file:25 isolated_file:0 [ 915.081471] unevictable:0 dirty:0 writeback:0 unstable:0 [ 915.081471] slab_reclaimable:4630 slab_unreclaimable:56940 [ 915.081471] mapped:9 shmem:48 pagetables:358 bounce:0 [ 915.081471] free:5953 free_pcp:107 free_cma:0 [ 915.081484] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 915.081502] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 915.081528] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227420kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:308kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 915.081583] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 915.081629] 0 pages in swap cache [ 915.081634] Swap cache stats: add 0, delete 0, find 0/0 [ 915.081636] Free swap = 0kB [ 915.081638] Total swap = 0kB [ 915.081640] 1965979 pages RAM [ 915.081642] 0 pages HighMem/MovableOnly [ 915.081644] 313617 pages reserved [ 915.100370] syz-executor.4: page allocation stalls for 260050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 915.100377] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 915.100390] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 915.100399] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 915.100408] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 915.100409] Call Trace: [ 915.100419] [] dump_stack+0xc1/0x128 [ 915.100427] [] warn_alloc.cold.31+0x7f/0x9c [ 915.100435] [] ? zone_watermark_ok_safe+0x250/0x250 [ 915.100443] [] ? shrink_node+0x740/0x740 [ 915.100451] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 915.100458] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 915.100466] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 915.100475] [] ? check_preemption_disabled+0x3b/0x200 [ 915.100481] [] ? find_get_entry+0x11a/0x570 [ 915.100488] [] ? find_get_entry+0x141/0x570 [ 915.100494] [] ? page_cache_prev_hole+0x80/0x80 [ 915.100501] [] ? pagecache_get_page+0x131/0x710 [ 915.100508] [] filemap_fault+0xaf1/0x1110 [ 915.100515] [] ext4_filemap_fault+0x71/0xa0 [ 915.100521] [] __do_fault+0x223/0x500 [ 915.100528] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 915.100535] [] ? generic_file_readonly_mmap+0x190/0x190 [ 915.100541] [] handle_mm_fault+0x1326/0x2350 [ 915.100548] [] ? hrtimer_nanosleep+0x38c/0x550 [ 915.100555] [] ? vm_insert_page+0x6f0/0x6f0 [ 915.100563] [] ? compat_SyS_wait4+0x1e9/0x290 [ 915.100569] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 915.100576] [] ? put_compat_rusage+0x550/0x550 [ 915.100583] [] __do_page_fault+0x403/0xa60 [ 915.100591] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 915.100597] [] ? bad_area_access_error+0x3a0/0x3a0 [ 915.100606] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 915.100612] [] do_page_fault+0x27/0x30 [ 915.100619] [] page_fault+0x25/0x30 [ 915.100622] Mem-Info: [ 915.100637] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 915.100637] active_file:15 inactive_file:25 isolated_file:0 [ 915.100637] unevictable:0 dirty:0 writeback:0 unstable:0 [ 915.100637] slab_reclaimable:4630 slab_unreclaimable:56940 [ 915.100637] mapped:9 shmem:48 pagetables:358 bounce:0 [ 915.100637] free:5953 free_pcp:107 free_cma:0 [ 915.100649] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 915.100665] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 915.100689] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227420kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:308kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 915.100738] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 915.100779] 0 pages in swap cache [ 915.100782] Swap cache stats: add 0, delete 0, find 0/0 [ 915.100784] Free swap = 0kB [ 915.100786] Total swap = 0kB [ 915.100788] 1965979 pages RAM [ 915.100789] 0 pages HighMem/MovableOnly [ 915.100791] 313617 pages reserved [ 915.104790] syz-executor.3: page allocation stalls for 260040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 915.104796] CPU: 1 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 915.104807] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 915.104816] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 915.104825] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 915.104826] Call Trace: [ 915.104834] [] dump_stack+0xc1/0x128 [ 915.104841] [] warn_alloc.cold.31+0x7f/0x9c [ 915.104849] [] ? zone_watermark_ok_safe+0x250/0x250 [ 915.104856] [] ? shrink_node+0x740/0x740 [ 915.104863] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 915.104870] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 915.104877] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 915.104884] [] ? check_preemption_disabled+0x3b/0x200 [ 915.104891] [] ? find_get_entry+0x11a/0x570 [ 915.104897] [] ? find_get_entry+0x141/0x570 [ 915.104904] [] ? page_cache_prev_hole+0x80/0x80 [ 915.104912] [] ? autoremove_wake_function+0x40/0x40 [ 915.104919] [] ? pagecache_get_page+0x131/0x710 [ 915.104926] [] filemap_fault+0xaf1/0x1110 [ 915.104933] [] ext4_filemap_fault+0x71/0xa0 [ 915.104939] [] __do_fault+0x223/0x500 [ 915.104945] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 15 printk messages dropped ** [ 915.105070] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 250 printk messages dropped ** [ 924.921367] Mem-Info: ** 66 printk messages dropped ** [ 925.002983] ffff8801d315f7c0 ffffffff81b42e79 1ffff1003a62befa ffff8801d3dcc740 [ 925.002993] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d315f908 [ 925.003003] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 925.003005] Call Trace: [ 925.003016] [] dump_stack+0xc1/0x128 [ 925.003025] [] warn_alloc.cold.31+0x7f/0x9c ** 50 printk messages dropped ** [ 925.020606] [] warn_alloc.cold.31+0x7f/0x9c [ 925.020614] [] ? zone_watermark_ok_safe+0x250/0x250 [ 925.020622] [] ? shrink_node+0x740/0x740 [ 925.020631] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 925.020640] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 925.020648] [] ? check_preemption_disabled+0x3b/0x200 [ 925.020656] [] ? find_get_entry+0x11a/0x570 [ 925.020663] [] ? find_get_entry+0x141/0x570 [ 925.020670] [] ? page_cache_prev_hole+0x80/0x80 [ 925.020678] [] ? autoremove_wake_function+0x40/0x40 [ 925.020685] [] ? pagecache_get_page+0x131/0x710 [ 925.020693] [] filemap_fault+0xaf1/0x1110 [ 925.020701] [] ext4_filemap_fault+0x71/0xa0 [ 925.020708] [] __do_fault+0x223/0x500 [ 925.020715] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 925.020723] [] ? generic_file_readonly_mmap+0x190/0x190 [ 925.020730] [] handle_mm_fault+0x1326/0x2350 [ 925.020737] [] ? vm_insert_page+0x6f0/0x6f0 [ 925.020744] [] ? selinux_file_permission+0x82/0x470 [ 925.020753] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 925.020760] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 925.020769] [] __do_page_fault+0x403/0xa60 [ 925.020777] [] ? bad_area_access_error+0x3a0/0x3a0 [ 925.020786] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 925.020793] [] do_page_fault+0x27/0x30 [ 925.020800] [] page_fault+0x25/0x30 [ 925.020803] Mem-Info: [ 925.020819] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 925.020819] active_file:15 inactive_file:25 isolated_file:0 [ 925.020819] unevictable:0 dirty:0 writeback:0 unstable:0 [ 925.020819] slab_reclaimable:4630 slab_unreclaimable:56941 [ 925.020819] mapped:9 shmem:48 pagetables:358 bounce:0 [ 925.020819] free:5953 free_pcp:106 free_cma:0 [ 925.020832] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 925.020850] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 925.020880] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:304kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 925.020934] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 925.020984] 0 pages in swap cache [ 925.020988] Swap cache stats: add 0, delete 0, find 0/0 [ 925.020990] Free swap = 0kB [ 925.020992] Total swap = 0kB [ 925.020994] 1965979 pages RAM [ 925.020996] 0 pages HighMem/MovableOnly [ 925.020998] 313617 pages reserved [ 925.075812] syz-execprog: page allocation stalls for 270040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 925.075820] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 925.075836] ffff8801cac7f7c0 ffffffff81b42e79 1ffff1003958fefa ffff8801cac24740 [ 925.075846] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cac7f908 [ 925.075856] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 925.075857] Call Trace: [ 925.075870] [] dump_stack+0xc1/0x128 [ 925.075879] [] warn_alloc.cold.31+0x7f/0x9c [ 925.075888] [] ? zone_watermark_ok_safe+0x250/0x250 [ 925.075896] [] ? shrink_node+0x740/0x740 [ 925.075904] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 925.075912] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 925.075921] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 925.075930] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 925.075937] [] ? find_get_entry+0x11a/0x570 [ 925.075944] [] ? find_get_entry+0x141/0x570 [ 925.075951] [] ? page_cache_prev_hole+0x80/0x80 [ 925.075959] [] ? trace_hardirqs_on+0x10/0x10 [ 925.075967] [] ? pagecache_get_page+0x131/0x710 [ 925.075974] [] filemap_fault+0xaf1/0x1110 [ 925.075983] [] ext4_filemap_fault+0x71/0xa0 [ 925.075990] [] __do_fault+0x223/0x500 [ 925.075997] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 925.076004] [] ? handle_mm_fault+0x1d4f/0x2350 [ 925.076011] [] handle_mm_fault+0x1326/0x2350 [ 925.076020] [] ? poll_select_set_timeout+0xb5/0x120 [ 925.076027] [] ? vm_insert_page+0x6f0/0x6f0 [ 925.076036] [] __do_page_fault+0x403/0xa60 [ 925.076044] [] ? __fget_light+0x169/0x1f0 [ 925.076051] [] ? bad_area_access_error+0x3a0/0x3a0 [ 925.076060] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 925.076067] [] do_page_fault+0x27/0x30 [ 925.076075] [] page_fault+0x25/0x30 [ 925.076078] Mem-Info: [ 925.076094] active_anon:5516 inactive_anon:42 isolated_anon:0 [ 925.076094] active_file:15 inactive_file:25 isolated_file:0 [ 925.076094] unevictable:0 dirty:0 writeback:0 unstable:0 [ 925.076094] slab_reclaimable:4630 slab_unreclaimable:56941 [ 925.076094] mapped:9 shmem:48 pagetables:358 bounce:0 [ 925.076094] free:5953 free_pcp:106 free_cma:0 [ 925.076107] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes [ 925.076125] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:24kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:340kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 925.076151] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:304kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 925.076205] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 925.076251] 0 pages in swap cache [ 925.076255] Swap cache stats: add 0, delete 0, find 0/0 [ 925.076257] Free swap = 0kB [ 925.076259] Total swap = 0kB [ 925.076262] 1965979 pages RAM [ 925.076264] 0 pages HighMem/MovableOnly [ 925.076266] 313617 pages reserved [ 925.090375] syz-executor.3: page allocation stalls for 270030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 925.090383] CPU: 1 PID: 2178 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 925.090396] ffff8801ca9ef7c0 ffffffff81b42e79 1ffff1003953defa ffff8801cab3af80 [ 925.090406] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9ef908 [ 925.090416] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 925.090417] Call Trace: [ 925.090427] [] dump_stack+0xc1/0x128 [ 925.090435] [] warn_alloc.cold.31+0x7f/0x9c [ 925.090444] [] ? zone_watermark_ok_safe+0x250/0x250 [ 925.090451] [] ? shrink_node+0x740/0x740 [ 925.090460] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 925.090468] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 925.090477] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 925.090486] [] ? check_preemption_disabled+0x3b/0x200 [ 925.090493] [] ? find_get_entry+0x11a/0x570 [ 925.090500] [] ? find_get_entry+0x141/0x570 [ 925.090508] [] ? page_cache_prev_hole+0x80/0x80 [ 925.090515] [] ? autoremove_wake_function+0x40/0x40 [ 925.090523] [] ? pagecache_get_page+0x131/0x710 [ 925.090530] [] filemap_fault+0xaf1/0x1110 [ 925.090538] [] ext4_filemap_fault+0x71/0xa0 [ 925.090545] [] __do_fault+0x223/0x500 [ 925.090552] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 925.090559] [] ? handle_mm_fault+0x1d4f/0x2350 [ 925.090566] [] handle_mm_fault+0x1326/0x2350 [ 925.090574] [] ? hrtimer_nanosleep+0x38c/0x550 [ 925.090582] [] ? vm_insert_page+0x6f0/0x6f0 [ 925.090589] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 925.090596] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 8 printk messages dropped ** [ 925.090674] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes ** 1 printk messages dropped ** [ 925.090699] lowmem_reserve[]: 0 3505 3505 [ 925.090717] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22048kB inactive_anon:168kB active_file:36kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18484kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1432kB bounce:0kB free_pcp:304kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 925.090771] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB Normal: 386*4kB (UMH) 152*8kB (MEH) 76*16kB (MEH) 17*32kB (MH) 5*64kB (H) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 89 total pagecache pages [ 925.090817] 0 pages in swap cache [ 925.090820] Swap cache stats: add 0, delete 0, find 0/0 [ 925.090822] Free swap = 0kB [ 925.090824] Total swap = 0kB [ 925.090827] 1965979 pages RAM [ 925.090829] 0 pages HighMem/MovableOnly [ 925.090831] 313617 pages reserved [ 925.095508] syz-executor.4: page allocation stalls for 270040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 925.095514] CPU: 1 PID: 2180 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 925.095526] ffff8801d617f7c0 ffffffff81b42e79 1ffff1003ac2fefa ffff8801d3cf2f80 [ 925.095536] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d617f908 [ 925.095546] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 925.095548] Call Trace: [ 925.095556] [] dump_stack+0xc1/0x128 [ 925.095564] [] warn_alloc.cold.31+0x7f/0x9c [ 925.095573] [] ? zone_watermark_ok_safe+0x250/0x250 [ 925.095580] [] ? shrink_node+0x740/0x740 ** 27 printk messages dropped ** [ 925.095798] Node 0 active_anon:22064kB inactive_anon:168kB active_file:60kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:13 all_unreclaimable? yes ** 310 printk messages dropped ** [ 934.999576] lowmem_reserve[]: 0 0 0 [ 934.999629] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB ** 46 printk messages dropped ** [ 935.008885] lowmem_reserve[]: 0 0 0 [ 935.008927] DMA32: 5*4kB (ME) 5*8kB (ME) 6*16kB (UMEH) 6*32kB (UMH) 19*64kB (MEH) 31*128kB (UM) 5*256kB (UM) 3*512kB (U) 4*1024kB (UM) 3*2048kB (U) 0*4096kB = 18588kB ** 1 printk messages dropped ** [ 935.008966] 89 total pagecache pages [ 935.008969] 0 pages in swap cache [ 935.008972] Swap cache stats: add 0, delete 0, find 0/0 [ 935.008974] Free swap = 0kB [ 935.008976] Total swap = 0kB [ 935.008978] 1965979 pages RAM [ 935.008980] 0 pages HighMem/MovableOnly [ 935.008982] 313617 pages reserved [ 935.035802] syz-execprog: page allocation stalls for 280040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 935.035809] CPU: 0 PID: 2161 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 935.035824] ffff8801ca8277c0 ffffffff81b42e79 1ffff10039504efa ffff8801cba497c0 [ 935.035834] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca827908 [ 935.035844] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 935.035846] Call Trace: [ 935.035858] [] dump_stack+0xc1/0x128 [ 935.035867] [] warn_alloc.cold.31+0x7f/0x9c [ 935.035876] [] ? zone_watermark_ok_safe+0x250/0x250 [ 935.035884] [] ? shrink_node+0x740/0x740 [ 935.035893] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 935.035902] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 935.035911] [] ? check_preemption_disabled+0x3b/0x200 [ 935.035918] [] ? find_get_entry+0x11a/0x570 [ 935.035926] [] ? find_get_entry+0x141/0x570 [ 935.035933] [] ? page_cache_prev_hole+0x80/0x80 [ 935.035942] [] ? autoremove_wake_function+0x40/0x40 [ 935.035949] [] ? pagecache_get_page+0x131/0x710 [ 935.035957] [] filemap_fault+0xaf1/0x1110 [ 935.035965] [] ext4_filemap_fault+0x71/0xa0 [ 935.035972] [] __do_fault+0x223/0x500 [ 935.035979] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 935.035987] [] ? generic_file_readonly_mmap+0x190/0x190 [ 935.035994] [] handle_mm_fault+0x1326/0x2350 [ 935.036002] [] ? vm_insert_page+0x6f0/0x6f0 [ 935.036010] [] ? selinux_file_permission+0x82/0x470