INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.183' (ECDSA) to the list of known hosts. 2019/07/31 05:18:30 parsed 1 programs 2019/07/31 05:18:32 executed programs: 0 [ 1071.772755] audit: type=1400 audit(1564550312.641:5): avc: denied { sys_admin } for pid=2236 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 [ 1071.801036] audit: type=1400 audit(1564550312.671:6): avc: denied { net_admin } for pid=2241 comm="syz-executor.3" 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 [ 1072.007902] audit: type=1400 audit(1564550312.881:7): avc: denied { sys_chroot } for pid=2241 comm="syz-executor.3" 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 [ 1072.061813] audit: type=1400 audit(1564550312.931:8): avc: denied { associate } for pid=2241 comm="syz-executor.3" name="syz3" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 1073.789419] lowmemorykiller: Killing 'syz-executor.3' (2376) (tgid 2375), adj 1000, [ 1073.789419] to free 1084kB on behalf of 'syz-executor.1' (2411) because [ 1073.789419] cache 54528kB is below limit 65536kB for oom_score_adj 12 [ 1073.789419] Free memory is -13356kB above reserved [ 1073.794467] lowmemorykiller: Killing 'syz-executor.3' (2376) (tgid 2375), adj 1000, [ 1073.794467] to free 1084kB on behalf of 'kswapd0' (33) because [ 1073.794467] cache 53128kB is below limit 65536kB for oom_score_adj 12 [ 1073.794467] Free memory is -12592kB above reserved [ 1074.119835] oom_reaper: reaped process 2405 (syz-executor.2), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 1074.120267] syz-executor.2: vmalloc: allocation failure, allocated 873971712 of 3843104768 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 1074.120276] CPU: 0 PID: 2405 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 1074.120291] ffff88019d39f9c8 ffffffff81b42e79 1ffff10033a73f3b dffffc0000000000 [ 1074.120301] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff88019d39fb10 [ 1074.120311] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1074.120313] Call Trace: [ 1074.120400] [] dump_stack+0xc1/0x128 [ 1074.120446] [] warn_alloc.cold.31+0x7f/0x9c [ 1074.120467] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1074.120513] [] ? retint_kernel+0x2d/0x2d [ 1074.120529] [] __vmalloc_node_range+0x3f8/0x600 [ 1074.120577] [] ? xt_alloc_table_info+0xc9/0x100 [ 1074.120585] [] vmalloc+0x5b/0x70 [ 1074.120592] [] ? xt_alloc_table_info+0xc9/0x100 [ 1074.120599] [] xt_alloc_table_info+0xc9/0x100 [ 1074.120628] [] do_ipt_set_ctl+0x235/0x460 [ 1074.120637] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 1074.120665] [] ? mutex_unlock+0x9/0x10 [ 1074.120698] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 1074.120705] [] nf_setsockopt+0x6d/0xc0 [ 1074.120732] [] ip_setsockopt+0x88/0xa0 [ 1074.120765] [] udp_setsockopt+0x4a/0x90 [ 1074.120793] [] sock_common_setsockopt+0x9a/0xe0 [ 1074.120801] [] SyS_setsockopt+0x166/0x260 [ 1074.120808] [] ? SyS_recv+0x40/0x40 [ 1074.120849] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 1074.120858] [] ? SyS_clock_settime+0x220/0x220 [ 1074.120875] [] ? do_syscall_64+0x48/0x550 [ 1074.120882] [] ? SyS_recv+0x40/0x40 [ 1074.120889] [] do_syscall_64+0x19f/0x550 [ 1074.120897] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1074.120900] Mem-Info: [ 1074.120918] active_anon:5116 inactive_anon:41 isolated_anon:0 [ 1074.120918] active_file:13 inactive_file:15 isolated_file:0 [ 1074.120918] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1074.120918] slab_reclaimable:4071 slab_unreclaimable:58098 [ 1074.120918] mapped:47 shmem:48 pagetables:385 bounce:0 [ 1074.120918] free:616 free_pcp:18 free_cma:0 [ 1074.120932] Node 0 active_anon:20464kB inactive_anon:164kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:188kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 1074.120950] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:8kB slab_unreclaimable:204kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:12kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1074.120976] Normal free:2464kB min:5580kB low:9168kB high:12756kB active_anon:20416kB inactive_anon:164kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16276kB slab_unreclaimable:232188kB kernel_stack:3936kB pagetables:1540kB bounce:0kB free_pcp:60kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1074.121014] 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: 12*4kB (H) 8*8kB (H) 11*16kB (H) 8*32kB (H) 6*64kB (H) 6*128kB (H) 3*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2464kB 124 total pagecache pages [ 1074.121061] 0 pages in swap cache [ 1074.121064] Swap cache stats: add 0, delete 0, find 0/0 [ 1074.121066] Free swap = 0kB [ 1074.121068] Total swap = 0kB [ 1074.121071] 1965979 pages RAM [ 1074.121073] 0 pages HighMem/MovableOnly [ 1074.121075] 313617 pages reserved [ 1074.126667] syz-executor.1: vmalloc: allocation failure, allocated 829620224 of 3843104768 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 1074.126675] CPU: 0 PID: 2411 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1074.126688] ffff88018fcbf9c8 ffffffff81b42e79 1ffff10031f97f3b dffffc0000000000 [ 1074.126698] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff88018fcbfb10 [ 1074.126708] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1074.126709] Call Trace: [ 1074.126721] [] dump_stack+0xc1/0x128 [ 1074.126730] [] warn_alloc.cold.31+0x7f/0x9c [ 1074.126739] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1074.126747] [] __vmalloc_node_range+0x3f8/0x600 [ 1074.126754] [] ? xt_alloc_table_info+0xc9/0x100 [ 1074.126761] [] vmalloc+0x5b/0x70 [ 1074.126768] [] ? xt_alloc_table_info+0xc9/0x100 [ 1074.126775] [] xt_alloc_table_info+0xc9/0x100 [ 1074.126782] [] do_ipt_set_ctl+0x235/0x460 [ 1074.126790] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 1074.126799] [] ? mutex_unlock+0x9/0x10 [ 1074.126806] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 1074.126813] [] nf_setsockopt+0x6d/0xc0 [ 1074.126821] [] ip_setsockopt+0x88/0xa0 [ 1074.126828] [] udp_setsockopt+0x4a/0x90 [ 1074.126836] [] sock_common_setsockopt+0x9a/0xe0 [ 1074.126843] [] SyS_setsockopt+0x166/0x260 [ 1074.126849] [] ? SyS_recv+0x40/0x40 [ 1074.126857] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 1074.126864] [] ? SyS_clock_settime+0x220/0x220 [ 1074.126871] [] ? do_syscall_64+0x48/0x550 [ 1074.126878] [] ? SyS_recv+0x40/0x40 [ 1074.126884] [] do_syscall_64+0x19f/0x550 [ 1074.126892] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1074.126895] Mem-Info: [ 1074.126911] active_anon:5116 inactive_anon:41 isolated_anon:0 [ 1074.126911] active_file:13 inactive_file:15 isolated_file:0 [ 1074.126911] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1074.126911] slab_reclaimable:4071 slab_unreclaimable:58098 [ 1074.126911] mapped:47 shmem:48 pagetables:385 bounce:0 [ 1074.126911] free:616 free_pcp:18 free_cma:0 [ 1074.126924] Node 0 active_anon:20464kB inactive_anon:164kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:188kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 1074.126941] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:8kB slab_unreclaimable:204kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:12kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1074.126966] Normal free:2464kB min:5580kB low:9168kB high:12756kB active_anon:20416kB inactive_anon:164kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16276kB slab_unreclaimable:232188kB kernel_stack:3936kB pagetables:1540kB bounce:0kB free_pcp:60kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1074.127002] 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: 12*4kB (H) 8*8kB (H) 11*16kB (H) 8*32kB (H) 6*64kB (H) 6*128kB (H) 3*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2464kB 124 total pagecache pages [ 1074.127045] 0 pages in swap cache [ 1074.127049] Swap cache stats: add 0, delete 0, find 0/0 [ 1074.127051] Free swap = 0kB [ 1074.127053] Total swap = 0kB [ 1074.127055] 1965979 pages RAM [ 1074.127057] 0 pages HighMem/MovableOnly [ 1074.127059] 313617 pages reserved [ 1074.138839] syz-executor.3: vmalloc: allocation failure, allocated 1627987968 of 3843104768 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 1074.138847] CPU: 1 PID: 2376 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1074.138862] ffff8801c54cf9c8 ffffffff81b42e79 1ffff10038a99f3b dffffc0000000000 [ 1074.138873] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801c54cfb10 [ 1074.138883] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1074.138885] Call Trace: [ 1074.138899] [] dump_stack+0xc1/0x128 [ 1074.138909] [] warn_alloc.cold.31+0x7f/0x9c [ 1074.138918] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1074.138927] [] ? retint_kernel+0x2d/0x2d [ 1074.138936] [] __vmalloc_node_range+0x3f8/0x600 [ 1074.138944] [] ? xt_alloc_table_info+0xc9/0x100 [ 1074.138951] [] vmalloc+0x5b/0x70 [ 1074.138959] [] ? xt_alloc_table_info+0xc9/0x100 [ 1074.138966] [] xt_alloc_table_info+0xc9/0x100 [ 1074.138975] [] do_ipt_set_ctl+0x235/0x460 [ 1074.138983] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 1074.138996] [] ? mutex_unlock+0x9/0x10 [ 1074.139005] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 1074.139012] [] nf_setsockopt+0x6d/0xc0 [ 1074.139021] [] ip_setsockopt+0x88/0xa0 [ 1074.139029] [] udp_setsockopt+0x4a/0x90 [ 1074.139038] [] sock_common_setsockopt+0x9a/0xe0 [ 1074.139045] [] SyS_setsockopt+0x166/0x260 [ 1074.139052] [] ? SyS_recv+0x40/0x40 [ 1074.139061] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 1074.139069] [] ? SyS_clock_settime+0x220/0x220 [ 1074.139076] [] ? do_syscall_64+0x48/0x550 [ 1074.139083] [] ? SyS_recv+0x40/0x40 [ 1074.139089] [] do_syscall_64+0x19f/0x550 [ 1074.139096] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1074.139100] Mem-Info: [ 1074.139116] active_anon:5116 inactive_anon:41 isolated_anon:0 [ 1074.139116] active_file:13 inactive_file:15 isolated_file:0 [ 1074.139116] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1074.139116] slab_reclaimable:4071 slab_unreclaimable:58098 [ 1074.139116] mapped:47 shmem:48 pagetables:385 bounce:0 [ 1074.139116] free:616 free_pcp:0 free_cma:0 [ 1074.139130] Node 0 active_anon:20464kB inactive_anon:164kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:188kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 1074.139149] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:8kB slab_unreclaimable:204kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1074.139176] Normal free:2464kB min:5580kB low:9168kB high:12756kB active_anon:20416kB inactive_anon:164kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16276kB slab_unreclaimable:232188kB kernel_stack:3936kB pagetables:1540kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1074.139215] 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: 12*4kB (H) 8*8kB (H) 11*16kB (H) 8*32kB (H) 6*64kB (H) 6*128kB (H) 3*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2464kB 124 total pagecache pages [ 1074.139261] 0 pages in swap cache [ 1074.139265] Swap cache stats: add 0, delete 0, find 0/0 [ 1074.139267] Free swap = 0kB [ 1074.139269] Total swap = 0kB [ 1074.139271] 1965979 pages RAM [ 1074.139273] 0 pages HighMem/MovableOnly [ 1074.139275] 313617 pages reserved [ 1075.006756] lowmemorykiller: Killing 'syz-executor.3' (2376) (tgid 2375), adj 1000, [ 1075.006756] to free 120kB on behalf of 'syz-executor.4' (2396) because [ 1075.006756] cache 172kB is below limit 6144kB for oom_score_adj 0 [ 1075.006756] Free memory is -35040kB above reserved [ 1076.016758] lowmemorykiller: Killing 'syz-executor.3' (2376) (tgid 2375), adj 1000, [ 1076.016758] to free 120kB on behalf of 'syz-executor.4' (2396) because [ 1076.016758] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 1076.016758] Free memory is -34992kB above reserved [ 1076.306634] syz-executor.2: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 1076.306643] CPU: 1 PID: 2405 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 1076.306656] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb dffffc0000000000 2019/07/31 05:18:39 executed programs: 6 [ 1076.306664] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 1076.306672] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1076.306673] Call Trace: [ 1076.306689] [ 1076.306689] [] dump_stack+0xc1/0x128 [ 1076.306697] [] warn_alloc.cold.31+0x7f/0x9c [ 1076.306705] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1076.306713] [] ? get_page_from_freelist+0x23e/0x1d80 [ 1076.306720] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 1076.306764] [] ? __lock_acquire+0x654/0x4a10 [ 1076.306772] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1076.306778] [] ? trace_hardirqs_on+0x10/0x10 [ 1076.306785] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 1076.306838] [] ? _find_next_bit.part.0+0xe0/0x120 [ 1076.306869] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1076.306877] [] new_slab+0x367/0x3d0 [ 1076.306885] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 1076.306901] [] ? __alloc_skb+0xe6/0x5b0 [ 1076.306924] [] ? trace_hardirqs_on+0x10/0x10 [ 1076.306953] [] ? check_preemption_disabled+0x3b/0x200 [ 1076.306961] [] ? __alloc_skb+0xe6/0x5b0 [ 1076.306969] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 1076.306976] [] ? __alloc_skb+0xe6/0x5b0 [ 1076.306983] [] kmem_cache_alloc+0x212/0x2b0 [ 1076.306990] [] ? mark_held_locks+0xc7/0x130 [ 1076.306997] [] __alloc_skb+0xe6/0x5b0 [ 1076.307005] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 1076.307033] [] ? ipv6_get_ifaddr+0x300/0x510 [ 1076.307040] [] ? trace_hardirqs_on+0xd/0x10 [ 1076.307054] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 1076.307082] [] ndisc_alloc_skb+0x144/0x330 [ 1076.307090] [] ndisc_send_rs+0x2ff/0x670 [ 1076.307095] [] ? __ipv6_get_lladdr+0x250/0x250 [ 1076.307102] [] addrconf_rs_timer+0x27e/0x5a0 [ 1076.307108] [] ? ipv6_get_lladdr+0x440/0x440 [ 1076.307116] [] call_timer_fn+0x163/0x6e0 [ 1076.307122] [] ? call_timer_fn+0xda/0x6e0 [ 1076.307129] [] ? debug_object_deactivate+0x214/0x340 [ 1076.307136] [] ? ipv6_get_lladdr+0x440/0x440 [ 1076.307142] [] ? process_timeout+0x20/0x20 [ 1076.307149] [] ? check_preemption_disabled+0x3b/0x200 [ 1076.307157] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 1076.307163] [] ? ipv6_get_lladdr+0x440/0x440 [ 1076.307170] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 1076.307177] [] ? ipv6_get_lladdr+0x440/0x440 [ 1076.307183] [] expire_timers+0x234/0x580 [ 1076.307190] [] ? collect_expired_timers+0x1d5/0x2b0 [ 1076.307197] [] run_timer_softirq+0x208/0x5e0 [ 1076.307203] [] ? expire_timers+0x580/0x580 [ 1076.307211] [] ? check_preemption_disabled+0x3b/0x200 [ 1076.307239] [] __do_softirq+0x20e/0x964 [ 1076.307247] [] ? check_preemption_disabled+0x3b/0x200 [ 1076.307254] [] irq_exit+0x11c/0x150 [ 1076.307261] [] smp_apic_timer_interrupt+0x81/0xb0 [ 1076.307269] [] apic_timer_interrupt+0x9d/0xb0 [ 1076.307279] [ 1076.307280] [] ? _raw_spin_unlock_irqrestore+0x5f/0x70 [ 1076.307287] [] debug_check_no_obj_freed+0x2ce/0x890 [ 1076.307295] [] ? debug_object_activate+0x4e0/0x4e0 [ 1076.307302] [] ? _raw_spin_unlock+0x2c/0x50 [ 1076.307308] [] __vunmap+0x130/0x400 [ 1076.307315] [] vfree+0x50/0x110 [ 1076.307321] [] __vmalloc_node_range+0x423/0x600 [ 1076.307329] [] ? xt_alloc_table_info+0xc9/0x100 [ 1076.307336] [] vmalloc+0x5b/0x70 [ 1076.307342] [] ? xt_alloc_table_info+0xc9/0x100 [ 1076.307349] [] xt_alloc_table_info+0xc9/0x100 [ 1076.307358] [] do_ipt_set_ctl+0x235/0x460 [ 1076.307365] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 1076.307375] [] ? mutex_unlock+0x9/0x10 [ 1076.307384] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 1076.307390] [] nf_setsockopt+0x6d/0xc0 [ 1076.307399] [] ip_setsockopt+0x88/0xa0 [ 1076.307408] [] udp_setsockopt+0x4a/0x90 [ 1076.307416] [] sock_common_setsockopt+0x9a/0xe0 [ 1076.307423] [] SyS_setsockopt+0x166/0x260 [ 1076.307429] [] ? SyS_recv+0x40/0x40 [ 1076.307437] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 1076.307444] [] ? SyS_clock_settime+0x220/0x220 [ 1076.307451] [] ? do_syscall_64+0x48/0x550 [ 1076.307458] [] ? SyS_recv+0x40/0x40 [ 1076.307464] [] do_syscall_64+0x19f/0x550 [ 1076.307472] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1076.307475] Mem-Info: [ 1076.307492] active_anon:5098 inactive_anon:41 isolated_anon:0 [ 1076.307492] active_file:0 inactive_file:31 isolated_file:0 [ 1076.307492] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1076.307492] slab_reclaimable:4071 slab_unreclaimable:58102 [ 1076.307492] mapped:2 shmem:48 pagetables:385 bounce:0 [ 1076.307492] free:614 free_pcp:10 free_cma:0 [ 1076.307505] Node 0 active_anon:20392kB inactive_anon:164kB active_file:0kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:8 all_unreclaimable? yes [ 1076.307523] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:36kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:8kB slab_unreclaimable:204kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1076.307548] Normal free:2456kB min:5580kB low:9168kB high:12756kB active_anon:20356kB inactive_anon:164kB active_file:0kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16276kB slab_unreclaimable:232204kB kernel_stack:3936kB pagetables:1540kB bounce:0kB free_pcp:40kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1076.307584] 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: 12*4kB (H) 7*8kB (H) 11*16kB (H) 8*32kB (H) 6*64kB (H) 6*128kB (H) 3*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2456kB 79 total pagecache pages [ 1076.307635] 0 pages in swap cache [ 1076.307639] Swap cache stats: add 0, delete 0, find 0/0 [ 1076.307641] Free swap = 0kB [ 1076.307643] Total swap = 0kB [ 1076.307645] 1965979 pages RAM [ 1076.307647] 0 pages HighMem/MovableOnly [ 1076.307649] 313617 pages reserved [ 1076.307755] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 1076.307761] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 1076.307773] node 0: slabs: 620, objs: 7440, free: 0 [ 1076.307802] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1076.307836] syz-executor.2: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 1076.307843] CPU: 1 PID: 2405 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 1076.307855] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb dffffc0000000000 [ 1076.307865] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 1076.307874] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1076.307876] Call Trace: [ 1076.307886] [ 1076.307887] [] dump_stack+0xc1/0x128 [ 1076.307894] [] warn_alloc.cold.31+0x7f/0x9c [ 1076.307902] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1076.307910] [] ? get_page_from_freelist+0x23e/0x1d80 [ 1076.307919] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 1076.307954] [] ? get_stack_info+0x37/0x120 [ 1076.307985] [] ? __unwind_start+0x14d/0x3b0 [ 1076.307993] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1076.307999] [] ? trace_hardirqs_on+0x10/0x10 [ 1076.308006] [] new_slab+0x367/0x3d0 [ 1076.308013] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 1076.308020] [] ? __alloc_skb+0xe6/0x5b0 [ 1076.308026] [] ? trace_hardirqs_on+0x10/0x10 [ 1076.308033] [] ? debug_object_activate+0x32d/0x4e0 [ 1076.308041] [] ? check_preemption_disabled+0x3b/0x200 [ 1076.308048] [] ? __alloc_skb+0xe6/0x5b0 [ 1076.308055] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 1076.308062] [] ? __alloc_skb+0xe6/0x5b0 [ 1076.308069] [] kmem_cache_alloc+0x212/0x2b0 [ 1076.308075] [] ? mark_held_locks+0xc7/0x130 [ 1076.308082] [] __alloc_skb+0xe6/0x5b0 [ 1076.308089] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 1076.308095] [] ? ipv6_get_ifaddr+0x300/0x510 [ 1076.308101] [] ? trace_hardirqs_on+0xd/0x10 [ 1076.308108] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 1076.308115] [] ndisc_alloc_skb+0x144/0x330 [ 1076.308122] [] ndisc_send_rs+0x2ff/0x670 [ 1076.308128] [] ? __ipv6_get_lladdr+0x250/0x250 [ 1076.308135] [] addrconf_rs_timer+0x27e/0x5a0 [ 1076.308141] [] ? ipv6_get_lladdr+0x440/0x440 [ 1076.308148] [] call_timer_fn+0x163/0x6e0 [ 1076.308154] [] ? call_timer_fn+0xda/0x6e0 [ 1076.308161] [] ? debug_object_deactivate+0x214/0x340 [ 1076.308167] [] ? ipv6_get_lladdr+0x440/0x440 [ 1076.308173] [] ? process_timeout+0x20/0x20 [ 1076.308179] [] ? check_preemption_disabled+0x3b/0x200 [ 1076.308186] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 1076.308192] [] ? ipv6_get_lladdr+0x440/0x440 [ 1076.308198] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 1076.308204] [] ? ipv6_get_lladdr+0x440/0x440 [ 1076.308209] [] expire_timers+0x234/0x580 [ 1076.308216] [] ? collect_expired_timers+0x1d5/0x2b0 [ 1076.308222] [] run_timer_softirq+0x208/0x5e0 [ 1076.308229] [] ? expire_timers+0x580/0x580 [ 1076.308236] [] ? check_preemption_disabled+0x3b/0x200 [ 1076.308243] [] __do_softirq+0x20e/0x964 [ 1076.308250] [] ? check_preemption_disabled+0x3b/0x200 [ 1076.308256] [] irq_exit+0x11c/0x150 [ 1076.308263] [] smp_apic_timer_interrupt+0x81/0xb0 [ 1076.308270] [] apic_timer_interrupt+0x9d/0xb0 [ 1076.308279] [ 1076.308280] [] ? _raw_spin_unlock_irqrestore+0x5f/0x70 [ 1076.308287] [] debug_check_no_obj_freed+0x2ce/0x890 [ 1076.308294] [] ? debug_object_activate+0x4e0/0x4e0 [ 1076.308300] [] ? _raw_spin_unlock+0x2c/0x50 [ 1076.308306] [] __vunmap+0x130/0x400 [ 1076.308312] [] vfree+0x50/0x110 [ 1076.308319] [] __vmalloc_node_range+0x423/0x600 [ 1076.308325] [] ? xt_alloc_table_info+0xc9/0x100 [ 1076.308331] [] vmalloc+0x5b/0x70 [ 1076.308338] [] ? xt_alloc_table_info+0xc9/0x100 [ 1076.308344] [] xt_alloc_table_info+0xc9/0x100 [ 1076.308351] [] do_ipt_set_ctl+0x235/0x460 [ 1076.308358] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 1076.308366] [] ? mutex_unlock+0x9/0x10 [ 1076.308373] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 1076.308379] [] nf_setsockopt+0x6d/0xc0 [ 1076.308386] [] ip_setsockopt+0x88/0xa0 [ 1076.308393] [] udp_setsockopt+0x4a/0x90 [ 1076.308400] [] sock_common_setsockopt+0x9a/0xe0 [ 1076.308406] [] SyS_setsockopt+0x166/0x260 [ 1076.308412] [] ? SyS_recv+0x40/0x40 [ 1076.308419] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 1076.308426] [] ? SyS_clock_settime+0x220/0x220 [ 1076.308432] [] ? do_syscall_64+0x48/0x550 [ 1076.308438] [] ? SyS_recv+0x40/0x40 [ 1076.308444] [] do_syscall_64+0x19f/0x550 [ 1076.308451] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1076.308454] Mem-Info: [ 1076.308468] active_anon:5098 inactive_anon:41 isolated_anon:0 [ 1076.308468] active_file:0 inactive_file:31 isolated_file:0 [ 1076.308468] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1076.308468] slab_reclaimable:4071 slab_unreclaimable:58102 [ 1076.308468] mapped:2 shmem:48 pagetables:385 bounce:0 [ 1076.308468] free:614 free_pcp:10 free_cma:0 [ 1076.308480] Node 0 active_anon:20392kB inactive_anon:164kB active_file:0kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:8 all_unreclaimable? yes [ 1076.308496] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:36kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:8kB slab_unreclaimable:204kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1076.308519] Normal free:2456kB min:5580kB low:9168kB high:12756kB active_anon:20356kB inactive_anon:164kB active_file:0kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16276kB slab_unreclaimable:232204kB kernel_stack:3936kB pagetables:1540kB bounce:0kB free_pcp:40kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1076.308552] 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: 12*4kB (H) 7*8kB (H) 11*16kB (H) 8*32kB (H) 6*64kB (H) 6*128kB (H) 3*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2456kB 79 total pagecache pages [ 1076.308598] 0 pages in swap cache [ 1076.308602] Swap cache stats: add 0, delete 0, find 0/0 [ 1076.308604] Free swap = 0kB [ 1076.308605] Total swap = 0kB [ 1076.308607] 1965979 pages RAM [ 1076.308609] 0 pages HighMem/MovableOnly [ 1076.308611] 313617 pages reserved [ 1076.308617] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 1076.308622] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 1076.308627] node 0: slabs: 620, objs: 7440, free: 0 [ 1076.308630] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1077.026804] lowmemorykiller: Killing 'syz-executor.3' (2376) (tgid 2375), adj 1000, [ 1077.026804] to free 120kB on behalf of 'syz-executor.0' (2408) because [ 1077.026804] cache 2896kB is below limit 6144kB for oom_score_adj 0 [ 1077.026804] Free memory is -13288kB above reserved [ 1078.250871] lowmemorykiller: Killing 'syz-executor.3' (2376) (tgid 2375), adj 1000, [ 1078.250871] to free 120kB on behalf of 'kswapd0' (33) because [ 1078.250871] cache 4644kB is below limit 6144kB for oom_score_adj 0 [ 1078.250871] Free memory is -6840kB above reserved [ 1078.858191] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1078.858191] to free 120kB on behalf of 'syz-executor.0' (2408) because [ 1078.858191] cache 980kB is below limit 6144kB for oom_score_adj 0 [ 1078.858191] Free memory is -13320kB above reserved [ 1079.866654] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1079.866654] to free 120kB on behalf of 'syz-executor.0' (2408) because [ 1079.866654] cache 280kB is below limit 6144kB for oom_score_adj 0 [ 1079.866654] Free memory is -13380kB above reserved [ 1080.876784] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1080.876784] to free 120kB on behalf of 'syz-execprog' (2223) because [ 1080.876784] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1080.876784] Free memory is -13380kB above reserved [ 1080.876850] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1080.876850] to free 120kB on behalf of 'kworker/u4:3' (2266) because [ 1080.876850] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1080.876850] Free memory is -13380kB above reserved [ 1081.886634] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1081.886634] to free 120kB on behalf of 'blkid' (2419) because [ 1081.886634] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1081.886634] Free memory is -13380kB above reserved [ 1081.936647] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1081.936647] to free 120kB on behalf of 'syz-execprog' (2224) because [ 1081.936647] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1081.936647] Free memory is -13380kB above reserved [ 1082.947357] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1082.947357] to free 120kB on behalf of 'kworker/u4:3' (2266) because [ 1082.947357] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1082.947357] Free memory is -13380kB above reserved [ 1083.956660] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1083.956660] to free 120kB on behalf of 'syz-executor.4' (2396) because [ 1083.956660] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1083.956660] Free memory is -13504kB above reserved [ 1083.956672] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1083.956672] to free 120kB on behalf of 'blkid' (2419) because [ 1083.956672] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1083.956672] Free memory is -13504kB above reserved [ 1084.966721] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1084.966721] to free 120kB on behalf of 'syz-execprog' (2221) because [ 1084.966721] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1084.966721] Free memory is -13512kB above reserved [ 1084.966733] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1084.966733] to free 120kB on behalf of 'kworker/u4:3' (2266) because [ 1084.966733] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1084.966733] Free memory is -13512kB above reserved [ 1085.976717] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1085.976717] to free 120kB on behalf of 'syz-execprog' (2235) because [ 1085.976717] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1085.976717] Free memory is -13636kB above reserved [ 1085.976730] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1085.976730] to free 120kB on behalf of 'kworker/u4:3' (2266) because [ 1085.976730] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1085.976730] Free memory is -13636kB above reserved [ 1086.986711] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1086.986711] to free 120kB on behalf of 'syz-execprog' (2224) because [ 1086.986711] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1086.986711] Free memory is -13652kB above reserved [ 1086.986723] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1086.986723] to free 120kB on behalf of 'kworker/u4:3' (2266) because [ 1086.986723] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1086.986723] Free memory is -13652kB above reserved [ 1087.996663] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1087.996663] to free 120kB on behalf of 'syz-execprog' (2235) because [ 1087.996663] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1087.996663] Free memory is -13652kB above reserved [ 1088.899579] blkid: page allocation stalls for 10010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1088.899595] CPU: 1 PID: 2419 Comm: blkid Not tainted 4.9.141+ #1 [ 1088.899612] ffff88010f36f7c0 ffffffff81b42e79 1ffff10021e6defa ffff8801c73aaf80 [ 1088.899622] ffffffff82a97480 0000000000000001 0000000000400000 ffff88010f36f908 [ 1088.899632] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1088.899634] Call Trace: [ 1088.899651] [] dump_stack+0xc1/0x128 [ 1088.899661] [] warn_alloc.cold.31+0x7f/0x9c [ 1088.899671] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1088.899736] [] ? shrink_node+0x740/0x740 [ 1088.899746] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1088.899754] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1088.899763] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1088.899772] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1088.899779] [] ? find_get_entry+0x11a/0x570 [ 1088.899786] [] ? find_get_entry+0x141/0x570 [ 1088.899793] [] ? page_cache_prev_hole+0x80/0x80 [ 1088.899816] [] ? touch_atime+0xdb/0x270 [ 1088.899824] [] ? pagecache_get_page+0x131/0x710 [ 1088.899832] [] filemap_fault+0xaf1/0x1110 [ 1088.899874] [] ext4_filemap_fault+0x71/0xa0 [ 1088.899900] [] __do_fault+0x223/0x500 [ 1088.899908] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1088.899916] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1088.899924] [] handle_mm_fault+0x1326/0x2350 [ 1088.899931] [] ? vm_insert_page+0x6f0/0x6f0 [ 1088.899969] [] ? selinux_file_permission+0x82/0x470 [ 1088.899998] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1088.900008] [] __do_page_fault+0x403/0xa60 [ 1088.900016] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1088.900026] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1088.900034] [] do_page_fault+0x27/0x30 [ 1088.900043] [] page_fault+0x25/0x30 [ 1088.900046] Mem-Info: [ 1088.900064] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1088.900064] active_file:22 inactive_file:48 isolated_file:0 [ 1088.900064] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1088.900064] slab_reclaimable:4127 slab_unreclaimable:57893 [ 1088.900064] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1088.900064] free:5963 free_pcp:89 free_cma:0 [ 1088.900078] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1088.900097] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1088.900124] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230340kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:356kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1088.900182] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 78*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1088.900232] 0 pages in swap cache [ 1088.900236] Swap cache stats: add 0, delete 0, find 0/0 [ 1088.900238] Free swap = 0kB [ 1088.900240] Total swap = 0kB [ 1088.900242] 1965979 pages RAM [ 1088.900245] 0 pages HighMem/MovableOnly [ 1088.900247] 313617 pages reserved [ 1088.908915] kworker/u4:3: page allocation stalls for 10030ms, order:0, mode:0x26000d0(GFP_TEMPORARY|__GFP_NOTRACK) [ 1088.908924] CPU: 0 PID: 2266 Comm: kworker/u4:3 Not tainted 4.9.141+ #1 [ 1088.908986] Workqueue: writeback wb_workfn (flush-8:0) [ 1088.908999] ffff8801c8676f78 ffffffff81b42e79 1ffff100390cedf1 ffff8801c903df00 [ 1088.909010] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c86770c0 [ 1088.909021] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1088.909023] Call Trace: [ 1088.909034] [] dump_stack+0xc1/0x128 [ 1088.909042] [] warn_alloc.cold.31+0x7f/0x9c [ 1088.909051] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1088.909060] [] ? shrink_node+0x740/0x740 [ 1088.909069] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1088.909078] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1088.909093] [] ? kasan_slab_free+0x119/0x190 [ 1088.909112] [] ? save_stack_trace+0x16/0x20 [ 1088.909119] [] ? kasan_slab_free+0xac/0x190 [ 1088.909127] [] ? kmem_cache_free+0xbe/0x310 [ 1088.909137] [] ? writeback_sb_inodes+0x4ac/0xe70 [ 1088.909145] [] ? __writeback_inodes_wb+0xfb/0x1e0 [ 1088.909153] [] ? wb_writeback+0x512/0xbd0 [ 1088.909161] [] ? new_slab+0x303/0x3d0 [ 1088.909169] [] new_slab+0x367/0x3d0 [ 1088.909178] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 1088.909186] [] ? ext4_init_io_end+0x25/0x100 [ 1088.909195] [] ? check_preemption_disabled+0x3b/0x200 [ 1088.909203] [] ? check_preemption_disabled+0x3b/0x200 [ 1088.909211] [] ? ext4_init_io_end+0x25/0x100 [ 1088.909220] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 1088.909227] [] ? ext4_init_io_end+0x25/0x100 [ 1088.909235] [] kmem_cache_alloc+0x212/0x2b0 [ 1088.909242] [] ext4_init_io_end+0x25/0x100 [ 1088.909250] [] ext4_writepages+0xcd0/0x2e00 [ 1088.909256] [] ? do_writepages+0xef/0x1d0 [ 1088.909265] [] ? ext4_mark_inode_dirty+0xb40/0xb40 [ 1088.909274] [] ? trace_hardirqs_on+0x10/0x10 [ 1088.909281] [] ? trace_hardirqs_on+0x10/0x10 [ 1088.909289] [] ? ext4_mark_inode_dirty+0xb40/0xb40 [ 1088.909295] [] do_writepages+0xef/0x1d0 [ 1088.909303] [] ? page_writeback_cpu_online+0x20/0x20 [ 1088.909311] [] ? check_preemption_disabled+0x3b/0x200 [ 1088.909320] [] __writeback_single_inode+0xd9/0x1020 [ 1088.909328] [] ? writeback_sb_inodes+0x39b/0xe70 [ 1088.909337] [] writeback_sb_inodes+0x4ac/0xe70 [ 1088.909346] [] ? __writeback_single_inode+0x1020/0x1020 [ 1088.909356] syz-execprog: [ 1088.909356] [] ? down_read_trylock+0x6a/0xd0 [ 1088.909390] page allocation stalls for 10010ms, order:0 [] ? trylock_super+0x20/0xf0 [ 1088.909395] , mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [] __writeback_inodes_wb+0xfb/0x1e0 [ 1088.909412] [] wb_writeback+0x512/0xbd0 [ 1088.909421] [] ? __writeback_inodes_wb+0x1e0/0x1e0 [ 1088.909428] [] ? mark_held_locks+0xc7/0x130 [ 1088.909436] [] ? check_preemption_disabled+0x3b/0x200 [ 1088.909443] [] wb_workfn+0x20e/0xe90 [ 1088.909451] [] ? debug_object_deactivate+0x214/0x340 [ 1088.909459] [] ? inode_wait_for_writeback+0x40/0x40 [ 1088.909467] [] ? check_preemption_disabled+0x3b/0x200 [ 1088.909495] [] process_one_work+0x831/0x15f0 [ 1088.909503] [] ? process_one_work+0x774/0x15f0 [ 1088.909511] [] ? cancel_delayed_work_sync+0x20/0x20 [ 1088.909519] [] worker_thread+0xd6/0x1140 [ 1088.909528] [] ? ___preempt_schedule+0x16/0x18 [ 1088.909553] [] kthread+0x26d/0x300 [ 1088.909561] [] ? process_one_work+0x15f0/0x15f0 [ 1088.909568] [] ? kthread_park+0xa0/0xa0 [ 1088.909577] [] ? __switch_to_asm+0x34/0x70 [ 1088.909584] [] ? kthread_park+0xa0/0xa0 [ 1088.909590] [] ? kthread_park+0xa0/0xa0 [ 1088.909597] [] ret_from_fork+0x5c/0x70 [ 1088.909601] Mem-Info: [ 1088.909607] CPU: 1 PID: 2235 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1088.909621] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1088.909621] active_file:22 inactive_file:48 isolated_file:0 [ 1088.909621] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1088.909621] slab_reclaimable:4127 slab_unreclaimable:57893 [ 1088.909621] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1088.909621] free:5963 free_pcp:89 free_cma:0 [ 1088.909636] ffff8801c966f7c0 [ 1088.909637] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1088.909656] ffffffff81b42e79DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 1ffff100392cdefalowmem_reserve[]: [ 1088.909664] ffff8801cdc15f00 0 3505 ffffffff82a97480 [ 1088.909672] 3505 0000000000000001 0000000000400000Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230340kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:356kB local_pcp:116kB free_cma:0kB ffff8801c966f908lowmem_reserve[]: [ 1088.909700] 0 ffffffff814fc7c8 [ 1088.909704] 0 0000000041b58ab3 0 ffffffff82e37a10 ffffffff81427db0DMA32: Call Trace: [ 1088.909725] 22*4kB [] dump_stack+0xc1/0x128 [ 1088.909734] (ME) [] warn_alloc.cold.31+0x7f/0x9c [ 1088.909744] 30*8kB [] ? zone_watermark_ok_safe+0x250/0x250 [ 1088.909752] (M) [] ? shrink_node+0x740/0x740 [ 1088.909762] 37*16kB [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1088.909771] (UME) [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1088.909781] 28*32kB [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1088.909790] (ME) [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1088.909799] 13*64kB [] ? find_get_entry+0x11a/0x570 [ 1088.909807] (ME) [] ? find_get_entry+0x141/0x570 [ 1088.909816] 7*128kB [] ? page_cache_prev_hole+0x80/0x80 [ 1088.909825] (UM) [] ? autoremove_wake_function+0x40/0x40 [ 1088.909834] 5*256kB [] ? pagecache_get_page+0x131/0x710 [ 1088.909842] (ME) [] filemap_fault+0xaf1/0x1110 [ 1088.909851] 3*512kB [] ext4_filemap_fault+0x71/0xa0 [ 1088.909859] (UE) [] __do_fault+0x223/0x500 [ 1088.909868] 4*1024kB [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1088.909877] (UE) [] ? generic_file_readonly_mmap+0x190/0x190 [ 1088.909886] 4*2048kB [] handle_mm_fault+0x1326/0x2350 [ 1088.909894] (UM) [] ? vm_insert_page+0x6f0/0x6f0 [ 1088.909904] 0*4096kB [] ? selinux_file_permission+0x82/0x470 [ 1088.909906] = 18648kB [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1088.909922] Normal: [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1088.909931] 197*4kB [] __do_page_fault+0x403/0xa60 [ 1088.909940] (MEH) [] ? bad_area_access_error+0x3a0/0x3a0 [ 1088.909950] 78*8kB [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1088.909958] (UMH) [] do_page_fault+0x27/0x30 [ 1088.909967] 41*16kB [] page_fault+0x25/0x30 [ 1088.909973] (UM) 20*32kB Mem-Info: [ 1088.909989] (MH) active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1088.909990] active_file:22 inactive_file:48 isolated_file:0 [ 1088.909990] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1088.909990] slab_reclaimable:4127 slab_unreclaimable:57893 [ 1088.909990] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1088.909990] free:5963 free_pcp:89 free_cma:0 [ 1088.910004] 7*64kB Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1088.910023] (H) DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 8*128kB lowmem_reserve[]: [ 1088.910031] (H) 02*256kB 3505(H) 35051*512kB (H) Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230340kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:356kB local_pcp:240kB free_cma:0kB 0*1024kB lowmem_reserve[]: [ 1088.910069] 0*2048kB 00*4096kB 0= 5204kB 0119 total pagecache pages [ 1088.910090] DMA32: 0 pages in swap cache [ 1088.910096] 22*4kB Swap cache stats: add 0, delete 0, find 0/0 [ 1088.910100] (ME) Free swap = 0kB [ 1088.910104] 30*8kB Total swap = 0kB [ 1088.910107] (M) 1965979 pages RAM [ 1088.910111] 37*16kB 0 pages HighMem/MovableOnly [ 1088.910115] (UME) 313617 pages reserved [ 1088.910144] 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 78*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1088.910193] 0 pages in swap cache [ 1088.910197] Swap cache stats: add 0, delete 0, find 0/0 [ 1088.910199] Free swap = 0kB [ 1088.910201] Total swap = 0kB [ 1088.910204] 1965979 pages RAM [ 1088.910206] 0 pages HighMem/MovableOnly [ 1088.910208] 313617 pages reserved [ 1088.919838] syz-executor.3: page allocation stalls for 10020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1088.919846] CPU: 0 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1088.919861] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1088.919871] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1088.919882] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1088.919884] Call Trace: [ 1088.919897] [] dump_stack+0xc1/0x128 [ 1088.919906] [] warn_alloc.cold.31+0x7f/0x9c [ 1088.919915] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1088.919923] [] ? shrink_node+0x740/0x740 [ 1088.919933] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1088.919940] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1088.919949] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1088.919958] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1088.919966] [] ? find_get_entry+0x11a/0x570 [ 1088.919974] [] ? find_get_entry+0x141/0x570 [ 1088.919981] [] ? page_cache_prev_hole+0x80/0x80 [ 1088.919989] [] ? pagecache_get_page+0x131/0x710 [ 1088.919997] [] filemap_fault+0xaf1/0x1110 [ 1088.920005] [] ext4_filemap_fault+0x71/0xa0 [ 1088.920012] [] __do_fault+0x223/0x500 [ 1088.920019] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1088.920028] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1088.920035] [] handle_mm_fault+0x1326/0x2350 [ 1088.920043] [] ? vm_insert_page+0x6f0/0x6f0 [ 1088.920053] [] __do_page_fault+0x403/0xa60 [ 1088.920061] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1088.920070] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1088.920078] [] do_page_fault+0x27/0x30 [ 1088.920094] [] page_fault+0x25/0x30 [ 1088.920098] Mem-Info: [ 1088.920115] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1088.920115] active_file:22 inactive_file:48 isolated_file:0 [ 1088.920115] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1088.920115] slab_reclaimable:4127 slab_unreclaimable:57893 [ 1088.920115] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1088.920115] free:5963 free_pcp:89 free_cma:0 [ 1088.920129] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1088.920149] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1088.920176] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230340kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:356kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1088.920235] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 78*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1088.920287] 0 pages in swap cache [ 1088.920291] Swap cache stats: add 0, delete 0, find 0/0 [ 1088.920293] Free swap = 0kB [ 1088.920296] Total swap = 0kB [ 1088.920298] 1965979 pages RAM [ 1088.920300] 0 pages HighMem/MovableOnly [ 1088.920303] 313617 pages reserved [ 1088.929452] syz-execprog: page allocation stalls for 10060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1088.929459] CPU: 0 PID: 2221 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1088.929474] ffff8801c98af7c0 ffffffff81b42e79 1ffff10039315efa ffff8801ca008000 [ 1088.929485] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98af908 [ 1088.929495] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1088.929497] Call Trace: [ 1088.929511] [] dump_stack+0xc1/0x128 [ 1088.929520] [] warn_alloc.cold.31+0x7f/0x9c [ 1088.929530] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1088.929539] [] ? shrink_node+0x740/0x740 [ 1088.929547] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1088.929557] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1088.929565] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1088.929572] [] ? find_get_entry+0x11a/0x570 [ 1088.929580] [] ? find_get_entry+0x141/0x570 [ 1088.929587] [] ? page_cache_prev_hole+0x80/0x80 [ 1088.929595] [] ? trace_hardirqs_on+0x10/0x10 [ 1088.929603] [] ? pagecache_get_page+0x131/0x710 [ 1088.929611] [] filemap_fault+0xaf1/0x1110 [ 1088.929620] [] ext4_filemap_fault+0x71/0xa0 [ 1088.929627] [] __do_fault+0x223/0x500 [ 1088.929634] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1088.929643] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1088.929650] [] handle_mm_fault+0x1326/0x2350 [ 1088.929660] [] ? poll_select_set_timeout+0xb5/0x120 [ 1088.929667] [] ? vm_insert_page+0x6f0/0x6f0 [ 1088.929677] [] __do_page_fault+0x403/0xa60 [ 1088.929685] [] ? __fget_light+0x169/0x1f0 [ 1088.929693] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1088.929702] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1088.929710] [] do_page_fault+0x27/0x30 [ 1088.929718] [] page_fault+0x25/0x30 [ 1088.929721] Mem-Info: [ 1088.929738] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1088.929738] active_file:22 inactive_file:48 isolated_file:0 [ 1088.929738] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1088.929738] slab_reclaimable:4127 slab_unreclaimable:57893 [ 1088.929738] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1088.929738] free:5963 free_pcp:89 free_cma:0 [ 1088.929752] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1088.929772] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1088.929799] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230340kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:356kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1088.929859] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 78*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1088.929911] 0 pages in swap cache [ 1088.929915] Swap cache stats: add 0, delete 0, find 0/0 [ 1088.929917] Free swap = 0kB [ 1088.929919] Total swap = 0kB [ 1088.929922] 1965979 pages RAM [ 1088.929924] 0 pages HighMem/MovableOnly [ 1088.929926] 313617 pages reserved [ 1088.938693] syz-execprog: page allocation stalls for 10040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1088.938701] CPU: 0 PID: 2223 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1088.938716] ffff8801c99bf7c0 ffffffff81b42e79 1ffff10039337efa ffff8801c9852f80 [ 1088.938727] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c99bf908 [ 1088.938737] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1088.938739] Call Trace: [ 1088.938751] [] dump_stack+0xc1/0x128 [ 1088.938760] [] warn_alloc.cold.31+0x7f/0x9c [ 1088.938769] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1088.938777] [] ? shrink_node+0x740/0x740 [ 1088.938786] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1088.938794] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1088.938804] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1088.938812] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1088.938819] [] ? find_get_entry+0x11a/0x570 [ 1088.938827] [] ? find_get_entry+0x141/0x570 [ 1088.938834] [] ? page_cache_prev_hole+0x80/0x80 [ 1088.938843] [] ? autoremove_wake_function+0x40/0x40 [ 1088.938851] [] ? pagecache_get_page+0x131/0x710 [ 1088.938859] [] filemap_fault+0xaf1/0x1110 [ 1088.938868] [] ext4_filemap_fault+0x71/0xa0 [ 1088.938875] [] __do_fault+0x223/0x500 [ 1088.938882] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1088.938890] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1088.938898] [] handle_mm_fault+0x1326/0x2350 [ 1088.938906] [] ? ep_poll+0x18f/0xb20 [ 1088.938914] [] ? vm_insert_page+0x6f0/0x6f0 [ 1088.938921] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1088.938930] [] __do_page_fault+0x403/0xa60 [ 1088.938938] [] ? __fget_light+0x169/0x1f0 [ 1088.938946] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1088.938956] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1088.938963] [] do_page_fault+0x27/0x30 [ 1088.938971] [] page_fault+0x25/0x30 [ 1088.938974] Mem-Info: [ 1088.938991] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1088.938991] active_file:22 inactive_file:48 isolated_file:0 [ 1088.938991] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1088.938991] slab_reclaimable:4127 slab_unreclaimable:57893 [ 1088.938991] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1088.938991] free:5963 free_pcp:89 free_cma:0 [ 1088.939005] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1088.939025] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1088.939052] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230340kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:356kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1088.939119] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 78*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1088.939171] 0 pages in swap cache [ 1088.939175] Swap cache stats: add 0, delete 0, find 0/0 [ 1088.939177] Free swap = 0kB [ 1088.939179] Total swap = 0kB [ 1088.939182] 1965979 pages RAM [ 1088.939184] 0 pages HighMem/MovableOnly [ 1088.939186] 313617 pages reserved [ 1089.006677] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1089.006677] to free 120kB on behalf of 'blkid' (2419) because [ 1089.006677] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1089.006677] Free memory is -13652kB above reserved [ 1089.006688] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1089.006688] to free 120kB on behalf of 'udevd' (2420) because [ 1089.006688] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1089.006688] Free memory is -13652kB above reserved [ 1089.019452] syz-execprog: page allocation stalls for 10050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1089.019462] CPU: 1 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1089.019478] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1089.019489] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1089.019500] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1089.019501] Call Trace: [ 1089.019517] [] dump_stack+0xc1/0x128 [ 1089.019528] [] warn_alloc.cold.31+0x7f/0x9c [ 1089.019538] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1089.019547] [] ? shrink_node+0x740/0x740 [ 1089.019556] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1089.019565] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1089.019574] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1089.019592] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1089.019600] [] ? find_get_entry+0x11a/0x570 [ 1089.019607] [] ? find_get_entry+0x141/0x570 [ 1089.019615] [] ? page_cache_prev_hole+0x80/0x80 [ 1089.019683] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 1089.019691] [] ? pagecache_get_page+0x131/0x710 [ 1089.019699] [] filemap_fault+0xaf1/0x1110 [ 1089.019709] [] ext4_filemap_fault+0x71/0xa0 [ 1089.019716] [] __do_fault+0x223/0x500 [ 1089.019723] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1089.019732] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1089.019740] [] handle_mm_fault+0x1326/0x2350 [ 1089.019748] [] ? vm_insert_page+0x6f0/0x6f0 [ 1089.019786] [] ? kvm_clock_read+0x23/0x40 [ 1089.019793] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1089.019801] [] __do_page_fault+0x403/0xa60 [ 1089.019808] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1089.019818] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1089.019826] [] do_page_fault+0x27/0x30 [ 1089.019834] [] page_fault+0x25/0x30 [ 1089.019838] Mem-Info: [ 1089.019856] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1089.019856] active_file:22 inactive_file:48 isolated_file:0 [ 1089.019856] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1089.019856] slab_reclaimable:4127 slab_unreclaimable:57893 [ 1089.019856] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1089.019856] free:5963 free_pcp:89 free_cma:0 [ 1089.019870] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1089.019890] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1089.019918] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230340kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:356kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1089.019978] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 78*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1089.020030] 0 pages in swap cache [ 1089.020034] Swap cache stats: add 0, delete 0, find 0/0 [ 1089.020037] Free swap = 0kB [ 1089.020039] Total swap = 0kB [ 1089.020041] 1965979 pages RAM [ 1089.020044] 0 pages HighMem/MovableOnly [ 1089.020046] 313617 pages reserved [ 1089.317394] udevd: page allocation stalls for 10050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1089.317403] CPU: 1 PID: 2420 Comm: udevd Not tainted 4.9.141+ #1 [ 1089.317420] ffff88007f6177c0 ffffffff81b42e79 1ffff1000fec2efa ffff8801c73a8000 [ 1089.317431] ffffffff82a97480 0000000000000001 0000000000400000 ffff88007f617908 [ 1089.317441] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1089.317443] Call Trace: [ 1089.317459] [] dump_stack+0xc1/0x128 [ 1089.317469] [] warn_alloc.cold.31+0x7f/0x9c [ 1089.317479] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1089.317488] [] ? shrink_node+0x740/0x740 [ 1089.317497] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1089.317506] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1089.317515] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1089.317524] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1089.317531] [] ? find_get_entry+0x11a/0x570 [ 1089.317539] [] ? find_get_entry+0x141/0x570 [ 1089.317546] [] ? page_cache_prev_hole+0x80/0x80 [ 1089.317555] [] ? autoremove_wake_function+0x40/0x40 [ 1089.317563] [] ? pagecache_get_page+0x131/0x710 [ 1089.317571] [] filemap_fault+0xaf1/0x1110 [ 1089.317581] [] ext4_filemap_fault+0x71/0xa0 [ 1089.317598] [] __do_fault+0x223/0x500 [ 1089.317605] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1089.317613] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1089.317621] [] handle_mm_fault+0x1326/0x2350 [ 1089.317629] [] ? vm_insert_page+0x6f0/0x6f0 [ 1089.317637] [] ? __set_current_blocked+0xd4/0x110 [ 1089.317645] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1089.317654] [] __do_page_fault+0x403/0xa60 [ 1089.317663] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1089.317673] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1089.317680] [] do_page_fault+0x27/0x30 [ 1089.317689] [] page_fault+0x25/0x30 [ 1089.317693] Mem-Info: [ 1089.317711] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1089.317711] active_file:22 inactive_file:48 isolated_file:0 [ 1089.317711] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1089.317711] slab_reclaimable:4127 slab_unreclaimable:57893 [ 1089.317711] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1089.317711] free:5963 free_pcp:89 free_cma:0 [ 1089.317725] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1089.317745] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1089.317773] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230340kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:356kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1089.317834] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 78*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1089.317886] 0 pages in swap cache [ 1089.317890] Swap cache stats: add 0, delete 0, find 0/0 [ 1089.317892] Free swap = 0kB [ 1089.317895] Total swap = 0kB [ 1089.317897] 1965979 pages RAM [ 1089.317899] 0 pages HighMem/MovableOnly [ 1089.317901] 313617 pages reserved [ 1090.016663] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1090.016663] to free 120kB on behalf of 'syz-execprog' (2223) because [ 1090.016663] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1090.016663] Free memory is -13652kB above reserved [ 1090.016674] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1090.016674] to free 120kB on behalf of 'udevd' (2420) because [ 1090.016674] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1090.016674] Free memory is -13652kB above reserved [ 1091.026651] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1091.026651] to free 120kB on behalf of 'udevd' (2420) because [ 1091.026651] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1091.026651] Free memory is -13652kB above reserved [ 1092.036710] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1092.036710] to free 120kB on behalf of 'syz-execprog' (2235) because [ 1092.036710] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1092.036710] Free memory is -13652kB above reserved [ 1092.626965] init: page allocation stalls for 10060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1092.626974] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1092.626991] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 1092.627002] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 1092.627012] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1092.627014] Call Trace: [ 1092.627030] [] dump_stack+0xc1/0x128 [ 1092.627040] [] warn_alloc.cold.31+0x7f/0x9c [ 1092.627050] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1092.627059] [] ? shrink_node+0x740/0x740 [ 1092.627068] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1092.627077] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1092.627085] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1092.627093] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1092.627101] [] ? find_get_entry+0x11a/0x570 [ 1092.627108] [] ? find_get_entry+0x141/0x570 [ 1092.627115] [] ? page_cache_prev_hole+0x80/0x80 [ 1092.627124] [] ? __lock_acquire+0x654/0x4a10 [ 1092.627131] [] ? pagecache_get_page+0x131/0x710 [ 1092.627139] [] filemap_fault+0xaf1/0x1110 [ 1092.627148] [] ext4_filemap_fault+0x71/0xa0 [ 1092.627156] [] __do_fault+0x223/0x500 [ 1092.627163] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1092.627172] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1092.627179] [] handle_mm_fault+0x1326/0x2350 [ 1092.627187] [] ? vm_insert_page+0x6f0/0x6f0 [ 1092.627197] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1092.627206] [] __do_page_fault+0x403/0xa60 [ 1092.627213] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1092.627224] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1092.627231] [] do_page_fault+0x27/0x30 [ 1092.627240] [] page_fault+0x25/0x30 [ 1092.627243] Mem-Info: [ 1092.627262] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1092.627262] active_file:22 inactive_file:48 isolated_file:0 [ 1092.627262] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1092.627262] slab_reclaimable:4127 slab_unreclaimable:57893 [ 1092.627262] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1092.627262] free:5963 free_pcp:89 free_cma:0 [ 1092.627276] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1092.627296] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1092.627324] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230340kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:356kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1092.627385] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 78*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1092.627437] 0 pages in swap cache [ 1092.627441] Swap cache stats: add 0, delete 0, find 0/0 [ 1092.627443] Free swap = 0kB [ 1092.627445] Total swap = 0kB [ 1092.627448] 1965979 pages RAM [ 1092.627450] 0 pages HighMem/MovableOnly [ 1092.627452] 313617 pages reserved [ 1093.046668] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1093.046668] to free 120kB on behalf of 'syz-execprog' (2235) because [ 1093.046668] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1093.046668] Free memory is -13652kB above reserved [ 1093.046682] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1093.046682] to free 120kB on behalf of 'syz-execprog' (2224) because [ 1093.046682] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1093.046682] Free memory is -13652kB above reserved [ 1094.056683] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1094.056683] to free 120kB on behalf of 'syz-executor.4' (2396) because [ 1094.056683] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1094.056683] Free memory is -13652kB above reserved [ 1094.056696] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1094.056696] to free 120kB on behalf of 'kworker/u4:3' (2266) because [ 1094.056696] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1094.056696] Free memory is -13652kB above reserved [ 1095.066658] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1095.066658] to free 120kB on behalf of 'syz-executor.0' (2408) because [ 1095.066658] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1095.066658] Free memory is -13652kB above reserved [ 1096.076647] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1096.076647] to free 120kB on behalf of 'syz-execprog' (2224) because [ 1096.076647] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1096.076647] Free memory is -13652kB above reserved [ 1096.076670] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1096.076670] to free 120kB on behalf of 'syz-executor.5' (2387) because [ 1096.076670] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1096.076670] Free memory is -13652kB above reserved [ 1097.086701] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1097.086701] to free 120kB on behalf of 'syz-execprog' (2224) because [ 1097.086701] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1097.086701] Free memory is -13652kB above reserved [ 1097.086713] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1097.086713] to free 120kB on behalf of 'syz-execprog' (2235) because [ 1097.086713] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1097.086713] Free memory is -13652kB above reserved [ 1098.096673] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1098.096673] to free 120kB on behalf of 'init' (1) because [ 1098.096673] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1098.096673] Free memory is -13652kB above reserved [ 1098.889558] syz-execprog: page allocation stalls for 20020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1098.889568] CPU: 1 PID: 2221 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1098.889592] ffff8801c98af7c0 ffffffff81b42e79 1ffff10039315efa ffff8801ca008000 [ 1098.889603] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98af908 [ 1098.889614] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1098.889616] Call Trace: [ 1098.889632] [] dump_stack+0xc1/0x128 [ 1098.889641] [] warn_alloc.cold.31+0x7f/0x9c [ 1098.889651] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1098.889661] [] ? shrink_node+0x740/0x740 [ 1098.889670] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1098.889680] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1098.889688] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1098.889696] [] ? find_get_entry+0x11a/0x570 [ 1098.889704] [] ? find_get_entry+0x141/0x570 [ 1098.889711] [] ? page_cache_prev_hole+0x80/0x80 [ 1098.889720] [] ? trace_hardirqs_on+0x10/0x10 [ 1098.889727] [] ? pagecache_get_page+0x131/0x710 [ 1098.889735] [] filemap_fault+0xaf1/0x1110 [ 1098.889745] [] ext4_filemap_fault+0x71/0xa0 [ 1098.889752] [] __do_fault+0x223/0x500 [ 1098.889759] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1098.889768] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1098.889775] [] handle_mm_fault+0x1326/0x2350 [ 1098.889785] [] ? poll_select_set_timeout+0xb5/0x120 [ 1098.889794] kworker/u4:3: [ 1098.889794] [] ? vm_insert_page+0x6f0/0x6f0 [ 1098.889806] page allocation stalls for 20010ms, order:0 [] __do_page_fault+0x403/0xa60 [ 1098.889810] , mode:0x26000d0(GFP_TEMPORARY|__GFP_NOTRACK) [] ? __fget_light+0x169/0x1f0 [ 1098.889826] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1098.889836] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1098.889844] [] do_page_fault+0x27/0x30 [ 1098.889852] [] page_fault+0x25/0x30 [ 1098.889856] Mem-Info: [ 1098.889861] CPU: 0 PID: 2266 Comm: kworker/u4:3 Not tainted 4.9.141+ #1 [ 1098.889876] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1098.889876] active_file:22 inactive_file:48 isolated_file:0 [ 1098.889876] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1098.889876] slab_reclaimable:4127 slab_unreclaimable:57893 [ 1098.889876] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1098.889876] free:5963 free_pcp:89 free_cma:0 [ 1098.889894] Workqueue: writeback wb_workfn [ 1098.889895] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes ** 17 printk messages dropped ** [ 1098.889964] 0 0 ffffffff814fc7c8 [ 1098.889972] 0000000041b58ab3DMA32: ffffffff82e37a10 ffffffff81427db022*4kB (ME) Call Trace: [ 1098.889992] 30*8kB [] dump_stack+0xc1/0x128 [ 1098.890001] (M) [] warn_alloc.cold.31+0x7f/0x9c [ 1098.890011] 37*16kB [] ? zone_watermark_ok_safe+0x250/0x250 [ 1098.890019] (UME) [] ? shrink_node+0x740/0x740 [ 1098.890029] 28*32kB [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1098.890039] (ME) [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1098.890048] 13*64kB [] ? kasan_slab_free+0x119/0x190 [ 1098.890058] (ME) [] ? save_stack_trace+0x16/0x20 [ 1098.890066] 7*128kB [] ? kasan_slab_free+0xac/0x190 [ 1098.890076] (UM) [] ? kmem_cache_free+0xbe/0x310 [ 1098.890094] 5*256kB [] ? writeback_sb_inodes+0x4ac/0xe70 [ 1098.890103] (ME) [] ? __writeback_inodes_wb+0xfb/0x1e0 [ 1098.890112] 3*512kB [] ? wb_writeback+0x512/0xbd0 [ 1098.890121] (UE) [] ? new_slab+0x303/0x3d0 [ 1098.890130] 4*1024kB [] new_slab+0x367/0x3d0 [ 1098.890140] (UE) [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 1098.890149] 4*2048kB [] ? ext4_init_io_end+0x25/0x100 [ 1098.890159] (UM) [] ? check_preemption_disabled+0x3b/0x200 [ 1098.890168] 0*4096kB [] ? check_preemption_disabled+0x3b/0x200 [ 1098.890171] = 18648kB [] ? ext4_init_io_end+0x25/0x100 [ 1098.890186] Normal: [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 1098.890195] 197*4kB [] ? ext4_init_io_end+0x25/0x100 [ 1098.890204] (MEH) [] kmem_cache_alloc+0x212/0x2b0 [ 1098.890213] 78*8kB [] ext4_init_io_end+0x25/0x100 [ 1098.890221] (UMH) [] ext4_writepages+0xcd0/0x2e00 ** 38 printk messages dropped ** [ 1098.890396] Free swap = 0kB [ 1098.890402] [] wb_workfn+0x20e/0xe90 [ 1098.890403] Total swap = 0kB [ 1098.890410] [] ? debug_object_deactivate+0x214/0x340 [ 1098.890412] 1965979 pages RAM [ 1098.890418] [] ? inode_wait_for_writeback+0x40/0x40 [ 1098.890420] 0 pages HighMem/MovableOnly [ 1098.890427] [] ? check_preemption_disabled+0x3b/0x200 [ 1098.890429] 313617 pages reserved [ 1098.890435] [] process_one_work+0x831/0x15f0 [ 1098.890441] [] ? process_one_work+0x774/0x15f0 [ 1098.890447] [] ? cancel_delayed_work_sync+0x20/0x20 [ 1098.890454] [] worker_thread+0xd6/0x1140 [ 1098.890461] [] ? ___preempt_schedule+0x16/0x18 [ 1098.890470] [] kthread+0x26d/0x300 [ 1098.890477] [] ? process_one_work+0x15f0/0x15f0 [ 1098.890485] [] ? kthread_park+0xa0/0xa0 [ 1098.890493] [] ? __switch_to_asm+0x34/0x70 [ 1098.890500] [] ? kthread_park+0xa0/0xa0 [ 1098.890507] [] ? kthread_park+0xa0/0xa0 [ 1098.890514] [] ret_from_fork+0x5c/0x70 [ 1098.890518] Mem-Info: [ 1098.890534] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1098.890534] active_file:22 inactive_file:48 isolated_file:0 [ 1098.890534] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1098.890534] slab_reclaimable:4127 slab_unreclaimable:57893 [ 1098.890534] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1098.890534] free:5963 free_pcp:89 free_cma:0 [ 1098.890548] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1098.890567] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1098.890594] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230340kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:356kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1098.890655] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB ** 37 printk messages dropped ** [ 1098.909675] [] __do_page_fault+0x403/0xa60 [ 1098.909683] [] ? __fget_light+0x169/0x1f0 [ 1098.909690] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1098.909701] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1098.909708] [] do_page_fault+0x27/0x30 [ 1098.909716] [] page_fault+0x25/0x30 [ 1098.909719] Mem-Info: [ 1098.909737] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1098.909737] active_file:22 inactive_file:48 isolated_file:0 [ 1098.909737] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1098.909737] slab_reclaimable:4127 slab_unreclaimable:57893 [ 1098.909737] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1098.909737] free:5963 free_pcp:89 free_cma:0 [ 1098.909751] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1098.909771] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1098.909798] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230340kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:356kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1098.909858] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 78*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1098.909910] 0 pages in swap cache [ 1098.909914] Swap cache stats: add 0, delete 0, find 0/0 [ 1098.909916] Free swap = 0kB [ 1098.909918] Total swap = 0kB [ 1098.909921] 1965979 pages RAM [ 1098.909923] 0 pages HighMem/MovableOnly [ 1098.909925] 313617 pages reserved [ 1098.919052] blkid: page allocation stalls for 20030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1098.919060] CPU: 1 PID: 2419 Comm: blkid Not tainted 4.9.141+ #1 [ 1098.919076] ffff88010f36f7c0 ffffffff81b42e79 1ffff10021e6defa ffff8801c73aaf80 [ 1098.919086] ffffffff82a97480 0000000000000001 0000000000400000 ffff88010f36f908 [ 1098.919097] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1098.919099] Call Trace: [ 1098.919111] [] dump_stack+0xc1/0x128 [ 1098.919120] [] warn_alloc.cold.31+0x7f/0x9c [ 1098.919129] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1098.919138] [] ? shrink_node+0x740/0x740 [ 1098.919147] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1098.919155] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1098.919164] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1098.919172] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1098.919180] [] ? find_get_entry+0x11a/0x570 [ 1098.919188] [] ? find_get_entry+0x141/0x570 [ 1098.919195] [] ? page_cache_prev_hole+0x80/0x80 [ 1098.919202] [] ? touch_atime+0xdb/0x270 [ 1098.919210] [] ? pagecache_get_page+0x131/0x710 [ 1098.919218] [] filemap_fault+0xaf1/0x1110 [ 1098.919227] [] ext4_filemap_fault+0x71/0xa0 [ 1098.919234] [] __do_fault+0x223/0x500 [ 1098.919241] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1098.919250] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1098.919257] [] handle_mm_fault+0x1326/0x2350 [ 1098.919265] [] ? vm_insert_page+0x6f0/0x6f0 [ 1098.919274] [] ? selinux_file_permission+0x82/0x470 [ 1098.919284] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1098.919293] [] __do_page_fault+0x403/0xa60 [ 1098.919302] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1098.919311] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1098.919319] [] do_page_fault+0x27/0x30 [ 1098.919327] [] page_fault+0x25/0x30 [ 1098.919331] Mem-Info: [ 1098.919347] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1098.919347] active_file:22 inactive_file:48 isolated_file:0 [ 1098.919347] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1098.919347] slab_reclaimable:4127 slab_unreclaimable:57893 [ 1098.919347] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1098.919347] free:5963 free_pcp:89 free_cma:0 [ 1098.919362] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1098.919381] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1098.919408] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230340kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:356kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1098.919468] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 78*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1098.919520] 0 pages in swap cache [ 1098.919524] Swap cache stats: add 0, delete 0, find 0/0 [ 1098.919527] Free swap = 0kB [ 1098.919529] Total swap = 0kB [ 1098.919531] 1965979 pages RAM [ 1098.919533] 0 pages HighMem/MovableOnly [ 1098.919536] 313617 pages reserved [ 1098.949068] syz-execprog: page allocation stalls for 20050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1098.949077] CPU: 0 PID: 2235 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1098.949101] ffff8801c966f7c0 ffffffff81b42e79 1ffff100392cdefa ffff8801cdc15f00 [ 1098.949112] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c966f908 [ 1098.949123] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1098.949125] Call Trace: [ 1098.949141] [] dump_stack+0xc1/0x128 [ 1098.949151] [] warn_alloc.cold.31+0x7f/0x9c [ 1098.949162] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1098.949171] [] ? shrink_node+0x740/0x740 [ 1098.949180] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1098.949189] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1098.949198] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1098.949206] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1098.949214] [] ? find_get_entry+0x11a/0x570 [ 1098.949222] [] ? find_get_entry+0x141/0x570 [ 1098.949230] [] ? page_cache_prev_hole+0x80/0x80 [ 1098.949239] [] ? autoremove_wake_function+0x40/0x40 [ 1098.949247] [] ? pagecache_get_page+0x131/0x710 [ 1098.949255] [] filemap_fault+0xaf1/0x1110 [ 1098.949264] [] ext4_filemap_fault+0x71/0xa0 [ 1098.949272] [] __do_fault+0x223/0x500 [ 1098.949279] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1098.949288] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1098.949296] [] handle_mm_fault+0x1326/0x2350 [ 1098.949304] [] ? vm_insert_page+0x6f0/0x6f0 [ 1098.949313] [] ? selinux_file_permission+0x82/0x470 [ 1098.949323] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1098.949330] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1098.949340] [] __do_page_fault+0x403/0xa60 [ 1098.949348] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1098.949359] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1098.949366] [] do_page_fault+0x27/0x30 [ 1098.949375] [] page_fault+0x25/0x30 [ 1098.949379] Mem-Info: [ 1098.949397] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1098.949397] active_file:22 inactive_file:48 isolated_file:0 [ 1098.949397] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1098.949397] slab_reclaimable:4127 slab_unreclaimable:57893 [ 1098.949397] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1098.949397] free:5963 free_pcp:89 free_cma:0 [ 1098.949411] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes ** 218 printk messages dropped ** [ 1104.156739] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1104.156739] to free 120kB on behalf of 'syz-execprog' (2235) because [ 1104.156739] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1104.156739] Free memory is -13668kB above reserved ** 41 printk messages dropped ** [ 1108.899414] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes ** 49 printk messages dropped ** [ 1108.900105] [] ? trace_hardirqs_on+0x10/0x10 [ 1108.900113] [] ? ext4_mark_inode_dirty+0xb40/0xb40 [ 1108.900120] [] do_writepages+0xef/0x1d0 [ 1108.900128] [] ? page_writeback_cpu_online+0x20/0x20 [ 1108.900135] [] ? check_preemption_disabled+0x3b/0x200 [ 1108.900145] [] __writeback_single_inode+0xd9/0x1020 [ 1108.900153] [] ? writeback_sb_inodes+0x39b/0xe70 [ 1108.900162] [] writeback_sb_inodes+0x4ac/0xe70 [ 1108.900171] [] ? __writeback_single_inode+0x1020/0x1020 [ 1108.900180] [] ? down_read_trylock+0x6a/0xd0 [ 1108.900188] [] ? trylock_super+0x20/0xf0 [ 1108.900197] [] __writeback_inodes_wb+0xfb/0x1e0 [ 1108.900206] [] wb_writeback+0x512/0xbd0 [ 1108.900214] [] ? __writeback_inodes_wb+0x1e0/0x1e0 [ 1108.900222] [] ? mark_held_locks+0xc7/0x130 [ 1108.900230] [] ? check_preemption_disabled+0x3b/0x200 [ 1108.900237] [] wb_workfn+0x20e/0xe90 [ 1108.900245] [] ? debug_object_deactivate+0x214/0x340 [ 1108.900253] [] ? inode_wait_for_writeback+0x40/0x40 [ 1108.900262] [] ? check_preemption_disabled+0x3b/0x200 [ 1108.900270] [] process_one_work+0x831/0x15f0 [ 1108.900277] [] ? process_one_work+0x774/0x15f0 [ 1108.900285] [] ? cancel_delayed_work_sync+0x20/0x20 [ 1108.900293] [] worker_thread+0xd6/0x1140 [ 1108.900302] [] ? ___preempt_schedule+0x16/0x18 [ 1108.900311] [] kthread+0x26d/0x300 [ 1108.900318] [] ? process_one_work+0x15f0/0x15f0 [ 1108.900326] [] ? kthread_park+0xa0/0xa0 [ 1108.900334] [] ? __switch_to_asm+0x34/0x70 [ 1108.900342] [] ? kthread_park+0xa0/0xa0 [ 1108.900349] [] ? kthread_park+0xa0/0xa0 [ 1108.900356] [] ret_from_fork+0x5c/0x70 [ 1108.900360] Mem-Info: [ 1108.900377] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1108.900377] active_file:22 inactive_file:48 isolated_file:0 [ 1108.900377] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1108.900377] slab_reclaimable:4127 slab_unreclaimable:57900 [ 1108.900377] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1108.900377] free:5959 free_pcp:86 free_cma:0 ** 20 printk messages dropped ** [ 1108.933052] Call Trace: [ 1108.933067] [] dump_stack+0xc1/0x128 [ 1108.933077] [] warn_alloc.cold.31+0x7f/0x9c [ 1108.933087] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1108.933096] [] ? shrink_node+0x740/0x740 [ 1108.933105] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1108.933114] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1108.933124] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1108.933132] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1108.933140] [] ? find_get_entry+0x11a/0x570 [ 1108.933148] [] ? find_get_entry+0x141/0x570 [ 1108.933155] [] ? page_cache_prev_hole+0x80/0x80 [ 1108.933163] [] ? pagecache_get_page+0x131/0x710 [ 1108.933171] [] filemap_fault+0xaf1/0x1110 [ 1108.933181] [] ext4_filemap_fault+0x71/0xa0 [ 1108.933188] [] __do_fault+0x223/0x500 [ 1108.933195] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1108.933204] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1108.933212] [] handle_mm_fault+0x1326/0x2350 [ 1108.933219] [] ? vm_insert_page+0x6f0/0x6f0 [ 1108.933229] [] __do_page_fault+0x403/0xa60 [ 1108.933238] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1108.933248] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1108.933255] [] do_page_fault+0x27/0x30 [ 1108.933264] [] page_fault+0x25/0x30 [ 1108.933267] Mem-Info: [ 1108.933286] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1108.933286] active_file:22 inactive_file:48 isolated_file:0 [ 1108.933286] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1108.933286] slab_reclaimable:4127 slab_unreclaimable:57900 [ 1108.933286] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1108.933286] free:5959 free_pcp:86 free_cma:0 [ 1108.933300] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1108.933320] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1108.933349] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230368kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB ** 29 printk messages dropped ** [ 1108.943826] [] ? pagecache_get_page+0x131/0x710 [ 1108.943834] [] filemap_fault+0xaf1/0x1110 [ 1108.943843] [] ext4_filemap_fault+0x71/0xa0 [ 1108.943850] [] __do_fault+0x223/0x500 [ 1108.943857] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1108.943866] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1108.943874] [] handle_mm_fault+0x1326/0x2350 [ 1108.943882] [] ? vm_insert_page+0x6f0/0x6f0 [ 1108.943891] [] ? selinux_file_permission+0x82/0x470 [ 1108.943901] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1108.943910] [] __do_page_fault+0x403/0xa60 [ 1108.943918] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1108.943929] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1108.943936] [] do_page_fault+0x27/0x30 [ 1108.943945] [] page_fault+0x25/0x30 [ 1108.943949] Mem-Info: [ 1108.943966] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1108.943966] active_file:22 inactive_file:48 isolated_file:0 [ 1108.943966] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1108.943966] slab_reclaimable:4127 slab_unreclaimable:57900 [ 1108.943966] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1108.943966] free:5959 free_pcp:86 free_cma:0 [ 1108.943979] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1108.943999] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1108.944027] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230368kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:344kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1108.944094] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 76*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1108.944146] 0 pages in swap cache [ 1108.944151] Swap cache stats: add 0, delete 0, find 0/0 [ 1108.944153] Free swap = 0kB [ 1108.944155] Total swap = 0kB [ 1108.944158] 1965979 pages RAM [ 1108.944160] 0 pages HighMem/MovableOnly [ 1108.944162] 313617 pages reserved [ 1108.952782] syz-execprog: page allocation stalls for 30050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1108.952791] CPU: 1 PID: 2235 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1108.952807] ffff8801c966f7c0 ffffffff81b42e79 1ffff100392cdefa ffff8801cdc15f00 [ 1108.952817] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c966f908 [ 1108.952828] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1108.952830] Call Trace: [ 1108.952844] [] dump_stack+0xc1/0x128 [ 1108.952854] [] warn_alloc.cold.31+0x7f/0x9c [ 1108.952864] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1108.952873] [] ? shrink_node+0x740/0x740 [ 1108.952882] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1108.952891] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1108.952900] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1108.952909] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1108.952917] [] ? find_get_entry+0x11a/0x570 [ 1108.952924] [] ? find_get_entry+0x141/0x570 [ 1108.952932] [] ? page_cache_prev_hole+0x80/0x80 [ 1108.952941] [] ? autoremove_wake_function+0x40/0x40 [ 1108.952949] [] ? pagecache_get_page+0x131/0x710 [ 1108.952957] [] filemap_fault+0xaf1/0x1110 [ 1108.952966] [] ext4_filemap_fault+0x71/0xa0 [ 1108.952973] [] __do_fault+0x223/0x500 [ 1108.952981] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1108.952989] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1108.952997] [] handle_mm_fault+0x1326/0x2350 [ 1108.953005] [] ? vm_insert_page+0x6f0/0x6f0 [ 1108.953015] [] ? selinux_file_permission+0x82/0x470 [ 1108.953025] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1108.953033] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1108.953042] [] __do_page_fault+0x403/0xa60 [ 1108.953050] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1108.953060] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1108.953068] [] do_page_fault+0x27/0x30 [ 1108.953076] [] page_fault+0x25/0x30 [ 1108.953079] Mem-Info: [ 1108.953097] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1108.953097] active_file:22 inactive_file:48 isolated_file:0 [ 1108.953097] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1108.953097] slab_reclaimable:4127 slab_unreclaimable:57900 [ 1108.953097] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1108.953097] free:5959 free_pcp:86 free_cma:0 [ 1108.953112] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1108.953132] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1108.953160] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230368kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1108.953220] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 76*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1108.953273] 0 pages in swap cache [ 1108.953277] Swap cache stats: add 0, delete 0, find 0/0 [ 1108.953279] Free swap = 0kB [ 1108.953281] Total swap = 0kB [ 1108.953284] 1965979 pages RAM [ 1108.953286] 0 pages HighMem/MovableOnly [ 1108.953288] 313617 pages reserved [ 1108.964199] syz-execprog: page allocation stalls for 30060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1108.964208] CPU: 1 PID: 2223 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1108.964223] ffff8801c99bf7c0 ffffffff81b42e79 1ffff10039337efa ffff8801c9852f80 [ 1108.964233] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c99bf908 [ 1108.964244] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1108.964245] Call Trace: [ 1108.964261] [] dump_stack+0xc1/0x128 [ 1108.964272] [] warn_alloc.cold.31+0x7f/0x9c [ 1108.964282] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1108.964290] [] ? shrink_node+0x740/0x740 [ 1108.964299] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1108.964307] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1108.964317] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1108.964325] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1108.964332] [] ? find_get_entry+0x11a/0x570 [ 1108.964339] [] ? find_get_entry+0x141/0x570 [ 1108.964346] [] ? page_cache_prev_hole+0x80/0x80 [ 1108.964355] [] ? autoremove_wake_function+0x40/0x40 [ 1108.964362] [] ? pagecache_get_page+0x131/0x710 [ 1108.964369] [] filemap_fault+0xaf1/0x1110 [ 1108.964379] [] ext4_filemap_fault+0x71/0xa0 [ 1108.964386] [] __do_fault+0x223/0x500 [ 1108.964393] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1108.964401] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1108.964408] [] handle_mm_fault+0x1326/0x2350 [ 1108.964417] [] ? ep_poll+0x18f/0xb20 [ 1108.964424] [] ? vm_insert_page+0x6f0/0x6f0 [ 1108.964432] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1108.964440] [] __do_page_fault+0x403/0xa60 [ 1108.964448] [] ? __fget_light+0x169/0x1f0 [ 1108.964455] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1108.964465] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1108.964472] [] do_page_fault+0x27/0x30 ** 130 printk messages dropped ** [ 1110.731588] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 46 printk messages dropped ** [ 1112.587728] [] warn_alloc.cold.31+0x7f/0x9c ** 86 printk messages dropped ** [ 1118.889871] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes ** 48 printk messages dropped ** [ 1118.900126] [] ? trace_hardirqs_on+0x10/0x10 [ 1118.900134] [] ? trace_hardirqs_on+0x10/0x10 [ 1118.900142] [] ? ext4_mark_inode_dirty+0xb40/0xb40 [ 1118.900148] [] do_writepages+0xef/0x1d0 [ 1118.900156] [] ? page_writeback_cpu_online+0x20/0x20 [ 1118.900164] [] ? check_preemption_disabled+0x3b/0x200 [ 1118.900173] [] __writeback_single_inode+0xd9/0x1020 [ 1118.900181] [] ? writeback_sb_inodes+0x39b/0xe70 [ 1118.900190] [] writeback_sb_inodes+0x4ac/0xe70 [ 1118.900200] [] ? __writeback_single_inode+0x1020/0x1020 [ 1118.900209] [] ? down_read_trylock+0x6a/0xd0 [ 1118.900217] [] ? trylock_super+0x20/0xf0 [ 1118.900226] [] __writeback_inodes_wb+0xfb/0x1e0 [ 1118.900234] [] wb_writeback+0x512/0xbd0 [ 1118.900243] [] ? __writeback_inodes_wb+0x1e0/0x1e0 [ 1118.900250] [] ? mark_held_locks+0xc7/0x130 [ 1118.900259] [] ? check_preemption_disabled+0x3b/0x200 [ 1118.900266] [] wb_workfn+0x20e/0xe90 [ 1118.900274] [] ? debug_object_deactivate+0x214/0x340 [ 1118.900282] [] ? inode_wait_for_writeback+0x40/0x40 [ 1118.900290] [] ? check_preemption_disabled+0x3b/0x200 [ 1118.900299] [] process_one_work+0x831/0x15f0 [ 1118.900306] [] ? process_one_work+0x774/0x15f0 [ 1118.900314] [] ? cancel_delayed_work_sync+0x20/0x20 [ 1118.900322] [] worker_thread+0xd6/0x1140 [ 1118.900331] [] ? ___preempt_schedule+0x16/0x18 [ 1118.900340] [] kthread+0x26d/0x300 [ 1118.900347] [] ? process_one_work+0x15f0/0x15f0 [ 1118.900355] [] ? kthread_park+0xa0/0xa0 [ 1118.900365] [] ? __switch_to_asm+0x34/0x70 ** 29 printk messages dropped ** [ 1118.907427] [] ? shrink_node+0x740/0x740 [ 1118.907437] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1118.907445] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1118.907454] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1118.907462] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1118.907470] [] ? find_get_entry+0x11a/0x570 [ 1118.907478] [] ? find_get_entry+0x141/0x570 [ 1118.907486] [] ? page_cache_prev_hole+0x80/0x80 [ 1118.907494] [] ? autoremove_wake_function+0x40/0x40 [ 1118.907501] [] ? pagecache_get_page+0x131/0x710 [ 1118.907509] [] filemap_fault+0xaf1/0x1110 [ 1118.907518] [] ext4_filemap_fault+0x71/0xa0 [ 1118.907525] [] __do_fault+0x223/0x500 [ 1118.907533] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1118.907541] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1118.907549] [] handle_mm_fault+0x1326/0x2350 [ 1118.907557] [] ? vm_insert_page+0x6f0/0x6f0 [ 1118.907566] [] ? selinux_file_permission+0x82/0x470 [ 1118.907575] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1118.907583] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1118.907593] [] __do_page_fault+0x403/0xa60 [ 1118.907601] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1118.907611] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1118.907618] [] do_page_fault+0x27/0x30 [ 1118.907627] [] page_fault+0x25/0x30 [ 1118.907630] Mem-Info: [ 1118.907647] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1118.907647] active_file:22 inactive_file:48 isolated_file:0 [ 1118.907647] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1118.907647] slab_reclaimable:4127 slab_unreclaimable:57900 [ 1118.907647] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1118.907647] free:5959 free_pcp:86 free_cma:0 [ 1118.907662] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes ** 34 printk messages dropped ** [ 1118.917914] [] ext4_filemap_fault+0x71/0xa0 [ 1118.917922] [] __do_fault+0x223/0x500 [ 1118.917929] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1118.917938] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1118.917945] [] handle_mm_fault+0x1326/0x2350 [ 1118.917953] [] ? vm_insert_page+0x6f0/0x6f0 [ 1118.917962] [] ? selinux_file_permission+0x82/0x470 [ 1118.917972] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1118.917982] [] __do_page_fault+0x403/0xa60 [ 1118.917990] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1118.917999] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1118.918007] [] do_page_fault+0x27/0x30 [ 1118.918016] [] page_fault+0x25/0x30 [ 1118.918019] Mem-Info: [ 1118.918037] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1118.918037] active_file:22 inactive_file:48 isolated_file:0 [ 1118.918037] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1118.918037] slab_reclaimable:4127 slab_unreclaimable:57900 [ 1118.918037] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1118.918037] free:5959 free_pcp:86 free_cma:0 [ 1118.918051] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1118.918071] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1118.918098] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230368kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1118.918158] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 76*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1118.918209] 0 pages in swap cache [ 1118.918213] Swap cache stats: add 0, delete 0, find 0/0 [ 1118.918215] Free swap = 0kB [ 1118.918218] Total swap = 0kB [ 1118.918220] 1965979 pages RAM [ 1118.918222] 0 pages HighMem/MovableOnly [ 1118.918225] 313617 pages reserved [ 1118.920067] syz-execprog: page allocation stalls for 40020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1118.920074] CPU: 1 PID: 2223 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1118.920088] ffff8801c99bf7c0 ffffffff81b42e79 1ffff10039337efa ffff8801c9852f80 [ 1118.920099] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c99bf908 [ 1118.920109] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1118.920111] Call Trace: [ 1118.920121] [] dump_stack+0xc1/0x128 [ 1118.920129] [] warn_alloc.cold.31+0x7f/0x9c [ 1118.920138] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1118.920146] [] ? shrink_node+0x740/0x740 [ 1118.920155] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1118.920163] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1118.920172] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1118.920180] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1118.920188] [] ? find_get_entry+0x11a/0x570 [ 1118.920195] [] ? find_get_entry+0x141/0x570 [ 1118.920203] [] ? page_cache_prev_hole+0x80/0x80 [ 1118.920211] [] ? autoremove_wake_function+0x40/0x40 [ 1118.920219] [] ? pagecache_get_page+0x131/0x710 [ 1118.920227] [] filemap_fault+0xaf1/0x1110 [ 1118.920235] [] ext4_filemap_fault+0x71/0xa0 [ 1118.920242] [] __do_fault+0x223/0x500 [ 1118.920250] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1118.920258] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1118.920266] [] handle_mm_fault+0x1326/0x2350 [ 1118.920274] [] ? ep_poll+0x18f/0xb20 [ 1118.920281] [] ? vm_insert_page+0x6f0/0x6f0 [ 1118.920289] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1118.920297] [] __do_page_fault+0x403/0xa60 [ 1118.920305] [] ? __fget_light+0x169/0x1f0 [ 1118.920313] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1118.920322] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1118.920330] [] do_page_fault+0x27/0x30 [ 1118.920337] [] page_fault+0x25/0x30 [ 1118.920340] Mem-Info: [ 1118.920357] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1118.920357] active_file:22 inactive_file:48 isolated_file:0 [ 1118.920357] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1118.920357] slab_reclaimable:4127 slab_unreclaimable:57900 [ 1118.920357] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1118.920357] free:5959 free_pcp:86 free_cma:0 [ 1118.920372] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1118.920391] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1118.920419] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230368kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1118.920478] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 76*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1118.920530] syz-executor.3: [ 1118.920531] 0 pages in swap cache [ 1118.920538] page allocation stalls for 40020ms, order:0Swap cache stats: add 0, delete 0, find 0/0 [ 1118.920542] , mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) Free swap = 0kB [ 1118.920549] CPU: 0 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1118.920551] Total swap = 0kB [ 1118.920555] ffff8801cdb0f7c0 [ 1118.920555] 1965979 pages RAM [ 1118.920558] ffffffff81b42e790 pages HighMem/MovableOnly [ 1118.920562] 1ffff10039b61efa313617 pages reserved [ 1118.920566] ffff8801c9570000 ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1118.920586] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1118.920588] Call Trace: [ 1118.920597] [] dump_stack+0xc1/0x128 [ 1118.920605] [] warn_alloc.cold.31+0x7f/0x9c [ 1118.920613] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1118.920621] [] ? shrink_node+0x740/0x740 [ 1118.920631] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1118.920638] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1118.920647] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1118.920655] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1118.920662] [] ? find_get_entry+0x11a/0x570 [ 1118.920670] [] ? find_get_entry+0x141/0x570 [ 1118.920677] [] ? page_cache_prev_hole+0x80/0x80 ** 2 printk messages dropped ** [ 1118.920701] [] ext4_filemap_fault+0x71/0xa0 ** 48 printk messages dropped ** [ 1118.997723] [] __do_fault+0x223/0x500 ** 278 printk messages dropped ** [ 1128.890138] [] ? check_preemption_disabled+0x3b/0x200 [ 1128.890148] [] __writeback_single_inode+0xd9/0x1020 [ 1128.890156] [] ? writeback_sb_inodes+0x39b/0xe70 [ 1128.890165] [] writeback_sb_inodes+0x4ac/0xe70 [ 1128.890174] [] ? __writeback_single_inode+0x1020/0x1020 [ 1128.890183] [] ? down_read_trylock+0x6a/0xd0 [ 1128.890191] [] ? trylock_super+0x20/0xf0 ** 42 printk messages dropped ** [ 1128.917082] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1128.917085] Call Trace: [ 1128.917100] [] dump_stack+0xc1/0x128 [ 1128.917110] [] warn_alloc.cold.31+0x7f/0x9c [ 1128.917119] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1128.917128] [] ? shrink_node+0x740/0x740 ** 52 printk messages dropped ** [ 1128.930576] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1128.930585] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1128.930592] [] ? find_get_entry+0x11a/0x570 [ 1128.930600] [] ? find_get_entry+0x141/0x570 [ 1128.930608] [] ? page_cache_prev_hole+0x80/0x80 [ 1128.930615] [] ? pagecache_get_page+0x131/0x710 [ 1128.930623] [] filemap_fault+0xaf1/0x1110 [ 1128.930632] [] ext4_filemap_fault+0x71/0xa0 [ 1128.930640] [] __do_fault+0x223/0x500 [ 1128.930647] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1128.930656] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1128.930663] [] handle_mm_fault+0x1326/0x2350 [ 1128.930671] [] ? vm_insert_page+0x6f0/0x6f0 [ 1128.930681] [] __do_page_fault+0x403/0xa60 [ 1128.930689] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1128.930699] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1128.930706] [] do_page_fault+0x27/0x30 [ 1128.930715] [] page_fault+0x25/0x30 [ 1128.930719] Mem-Info: [ 1128.930737] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1128.930737] active_file:22 inactive_file:48 isolated_file:0 [ 1128.930737] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1128.930737] slab_reclaimable:4127 slab_unreclaimable:57900 [ 1128.930737] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1128.930737] free:5959 free_pcp:86 free_cma:0 [ 1128.930751] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1128.930771] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1128.930799] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230368kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:344kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1128.930858] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 76*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1128.930910] 0 pages in swap cache [ 1128.930914] Swap cache stats: add 0, delete 0, find 0/0 [ 1128.930916] Free swap = 0kB [ 1128.930918] Total swap = 0kB [ 1128.930921] 1965979 pages RAM [ 1128.930923] 0 pages HighMem/MovableOnly [ 1128.930925] 313617 pages reserved [ 1128.958640] syz-execprog: page allocation stalls for 50060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1128.958650] CPU: 1 PID: 2235 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1128.958666] ffff8801c966f7c0 ffffffff81b42e79 1ffff100392cdefa ffff8801cdc15f00 [ 1128.958677] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c966f908 [ 1128.958688] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1128.958690] Call Trace: [ 1128.958705] [] dump_stack+0xc1/0x128 [ 1128.958715] [] warn_alloc.cold.31+0x7f/0x9c [ 1128.958725] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1128.958734] [] ? shrink_node+0x740/0x740 [ 1128.958744] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1128.958753] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1128.958762] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1128.958771] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1128.958779] [] ? find_get_entry+0x11a/0x570 [ 1128.958786] [] ? find_get_entry+0x141/0x570 [ 1128.958794] [] ? page_cache_prev_hole+0x80/0x80 [ 1128.958804] [] ? autoremove_wake_function+0x40/0x40 [ 1128.958812] [] ? pagecache_get_page+0x131/0x710 [ 1128.958820] [] filemap_fault+0xaf1/0x1110 [ 1128.958829] [] ext4_filemap_fault+0x71/0xa0 [ 1128.958837] [] __do_fault+0x223/0x500 [ 1128.958844] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1128.958853] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1128.958861] [] handle_mm_fault+0x1326/0x2350 [ 1128.958868] [] ? vm_insert_page+0x6f0/0x6f0 [ 1128.958878] [] ? selinux_file_permission+0x82/0x470 [ 1128.958888] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1128.958895] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1128.958905] [] __do_page_fault+0x403/0xa60 [ 1128.958913] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1128.958923] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1128.958930] [] do_page_fault+0x27/0x30 [ 1128.958939] [] page_fault+0x25/0x30 [ 1128.958943] Mem-Info: [ 1128.958961] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1128.958961] active_file:22 inactive_file:48 isolated_file:0 [ 1128.958961] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1128.958961] slab_reclaimable:4127 slab_unreclaimable:57900 [ 1128.958961] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1128.958961] free:5959 free_pcp:86 free_cma:0 [ 1128.958975] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1128.958995] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1128.959023] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230368kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1128.959083] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 76*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1128.959135] 0 pages in swap cache [ 1128.959139] Swap cache stats: add 0, delete 0, find 0/0 [ 1128.959141] Free swap = 0kB [ 1128.959143] Total swap = 0kB [ 1128.959146] 1965979 pages RAM [ 1128.959148] 0 pages HighMem/MovableOnly [ 1128.959151] 313617 pages reserved [ 1128.968776] syz-execprog: page allocation stalls for 50070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1128.968785] CPU: 0 PID: 2223 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1128.968802] ffff8801c99bf7c0 ffffffff81b42e79 1ffff10039337efa ffff8801c9852f80 [ 1128.968812] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c99bf908 [ 1128.968823] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1128.968825] Call Trace: [ 1128.968839] [] dump_stack+0xc1/0x128 [ 1128.968849] [] warn_alloc.cold.31+0x7f/0x9c [ 1128.968858] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1128.968868] [] ? shrink_node+0x740/0x740 [ 1128.968877] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1128.968885] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1128.968894] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1128.968903] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1128.968911] [] ? find_get_entry+0x11a/0x570 [ 1128.968918] [] ? find_get_entry+0x141/0x570 [ 1128.968925] [] ? page_cache_prev_hole+0x80/0x80 [ 1128.968935] [] ? autoremove_wake_function+0x40/0x40 [ 1128.968942] [] ? pagecache_get_page+0x131/0x710 [ 1128.968950] [] filemap_fault+0xaf1/0x1110 [ 1128.968959] [] ext4_filemap_fault+0x71/0xa0 [ 1128.968967] [] __do_fault+0x223/0x500 [ 1128.968974] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1128.968983] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1128.968991] [] handle_mm_fault+0x1326/0x2350 [ 1128.968999] [] ? ep_poll+0x18f/0xb20 [ 1128.969007] [] ? vm_insert_page+0x6f0/0x6f0 [ 1128.969014] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1128.969024] [] __do_page_fault+0x403/0xa60 [ 1128.969032] [] ? __fget_light+0x169/0x1f0 [ 1128.969040] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1128.969051] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1128.969058] [] do_page_fault+0x27/0x30 [ 1128.969067] [] page_fault+0x25/0x30 [ 1128.969079] Mem-Info: [ 1128.969097] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1128.969097] active_file:22 inactive_file:48 isolated_file:0 [ 1128.969097] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1128.969097] slab_reclaimable:4127 slab_unreclaimable:57900 [ 1128.969097] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1128.969097] free:5959 free_pcp:86 free_cma:0 [ 1128.969111] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1128.969131] DMA32 free:18648kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1232kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1128.969158] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230368kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:344kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1128.969219] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18648kB Normal: 197*4kB (MEH) 76*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1128.969270] 0 pages in swap cache [ 1128.969275] Swap cache stats: add 0, delete 0, find 0/0 [ 1128.969277] Free swap = 0kB [ 1128.969279] Total swap = 0kB [ 1128.969282] 1965979 pages RAM [ 1128.969283] 0 pages HighMem/MovableOnly [ 1128.969286] 313617 pages reserved [ 1129.040358] syz-execprog: page allocation stalls for 50070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1129.040367] CPU: 0 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1129.040384] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1129.040395] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1129.040406] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1129.040408] Call Trace: [ 1129.040423] [] dump_stack+0xc1/0x128 [ 1129.040433] [] warn_alloc.cold.31+0x7f/0x9c [ 1129.040443] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1129.040453] [] ? shrink_node+0x740/0x740 ** 198 printk messages dropped ** [ 1136.546691] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1136.546691] to free 120kB on behalf of 'blkid' (2419) because [ 1136.546691] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1136.546691] Free memory is -13692kB above reserved ** 102 printk messages dropped ** [ 1138.909008] [] ? check_preemption_disabled+0x3b/0x200 [ 1138.909015] [] wb_workfn+0x20e/0xe90 [ 1138.909024] [] ? debug_object_deactivate+0x214/0x340 ** 48 printk messages dropped ** [ 1138.909939] [] ? touch_atime+0xdb/0x270 [ 1138.909947] [] ? pagecache_get_page+0x131/0x710 [ 1138.909955] [] filemap_fault+0xaf1/0x1110 [ 1138.909964] [] ext4_filemap_fault+0x71/0xa0 [ 1138.909971] [] __do_fault+0x223/0x500 [ 1138.909978] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 44 printk messages dropped ** [ 1138.932797] [] ? pagecache_get_page+0x131/0x710 [ 1138.932805] [] filemap_fault+0xaf1/0x1110 [ 1138.932814] [] ext4_filemap_fault+0x71/0xa0 [ 1138.932822] [] __do_fault+0x223/0x500 [ 1138.932829] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1138.932837] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1138.932845] [] handle_mm_fault+0x1326/0x2350 [ 1138.932853] [] ? vm_insert_page+0x6f0/0x6f0 [ 1138.932863] [] __do_page_fault+0x403/0xa60 [ 1138.932871] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1138.932881] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1138.932888] [] do_page_fault+0x27/0x30 [ 1138.932897] [] page_fault+0x25/0x30 [ 1138.932900] Mem-Info: [ 1138.932919] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1138.932919] active_file:22 inactive_file:48 isolated_file:0 [ 1138.932919] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1138.932919] slab_reclaimable:4127 slab_unreclaimable:57907 [ 1138.932919] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1138.932919] free:5953 free_pcp:85 free_cma:0 [ 1138.932933] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1138.932953] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1138.932981] Normal free:5180kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230380kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:340kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1138.933041] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5180kB 119 total pagecache pages [ 1138.933101] 0 pages in swap cache [ 1138.933105] Swap cache stats: add 0, delete 0, find 0/0 [ 1138.933107] Free swap = 0kB [ 1138.933109] Total swap = 0kB [ 1138.933112] 1965979 pages RAM [ 1138.933114] 0 pages HighMem/MovableOnly [ 1138.933116] 313617 pages reserved [ 1138.937179] syz-execprog: page allocation stalls for 60040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1138.937186] CPU: 1 PID: 2235 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1138.937199] ffff8801c966f7c0 ffffffff81b42e79 1ffff100392cdefa ffff8801cdc15f00 [ 1138.937208] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c966f908 [ 1138.937217] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1138.937218] Call Trace: [ 1138.937227] [] dump_stack+0xc1/0x128 [ 1138.937234] [] warn_alloc.cold.31+0x7f/0x9c [ 1138.937242] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1138.937250] [] ? shrink_node+0x740/0x740 [ 1138.937259] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1138.937266] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1138.937275] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1138.937283] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1138.937290] [] ? find_get_entry+0x11a/0x570 [ 1138.937297] [] ? find_get_entry+0x141/0x570 [ 1138.937304] [] ? page_cache_prev_hole+0x80/0x80 [ 1138.937312] [] ? autoremove_wake_function+0x40/0x40 [ 1138.937319] [] ? pagecache_get_page+0x131/0x710 [ 1138.937327] [] filemap_fault+0xaf1/0x1110 [ 1138.937335] [] ext4_filemap_fault+0x71/0xa0 [ 1138.937341] [] __do_fault+0x223/0x500 [ 1138.937348] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1138.937357] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1138.937364] [] handle_mm_fault+0x1326/0x2350 [ 1138.937371] [] ? vm_insert_page+0x6f0/0x6f0 [ 1138.937381] [] ? selinux_file_permission+0x82/0x470 [ 1138.937390] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1138.937397] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1138.937406] [] __do_page_fault+0x403/0xa60 [ 1138.937413] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1138.937422] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1138.937429] [] do_page_fault+0x27/0x30 [ 1138.937435] [] page_fault+0x25/0x30 [ 1138.937439] Mem-Info: [ 1138.937454] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1138.937454] active_file:22 inactive_file:48 isolated_file:0 [ 1138.937454] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1138.937454] slab_reclaimable:4127 slab_unreclaimable:57907 [ 1138.937454] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1138.937454] free:5953 free_pcp:85 free_cma:0 [ 1138.937467] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1138.937486] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1138.937512] Normal free:5180kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230380kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:340kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1138.937574] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5180kB 119 total pagecache pages [ 1138.937621] 0 pages in swap cache [ 1138.937625] Swap cache stats: add 0, delete 0, find 0/0 [ 1138.937628] Free swap = 0kB [ 1138.937630] Total swap = 0kB [ 1138.937632] 1965979 pages RAM [ 1138.937634] 0 pages HighMem/MovableOnly [ 1138.937636] 313617 pages reserved [ 1138.969108] syz-execprog: page allocation stalls for 60070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1138.969118] CPU: 0 PID: 2223 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1138.969133] ffff8801c99bf7c0 ffffffff81b42e79 1ffff10039337efa ffff8801c9852f80 [ 1138.969144] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c99bf908 [ 1138.969155] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1138.969157] Call Trace: [ 1138.969172] [] dump_stack+0xc1/0x128 [ 1138.969182] [] warn_alloc.cold.31+0x7f/0x9c [ 1138.969192] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1138.969201] [] ? shrink_node+0x740/0x740 [ 1138.969210] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1138.969219] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1138.969228] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1138.969237] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1138.969244] [] ? find_get_entry+0x11a/0x570 [ 1138.969252] [] ? find_get_entry+0x141/0x570 [ 1138.969259] [] ? page_cache_prev_hole+0x80/0x80 [ 1138.969268] [] ? autoremove_wake_function+0x40/0x40 [ 1138.969276] [] ? pagecache_get_page+0x131/0x710 [ 1138.969284] [] filemap_fault+0xaf1/0x1110 [ 1138.969293] [] ext4_filemap_fault+0x71/0xa0 [ 1138.969301] [] __do_fault+0x223/0x500 [ 1138.969308] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1138.969317] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1138.969325] [] handle_mm_fault+0x1326/0x2350 [ 1138.969333] [] ? ep_poll+0x18f/0xb20 [ 1138.969341] [] ? vm_insert_page+0x6f0/0x6f0 [ 1138.969348] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1138.969358] [] __do_page_fault+0x403/0xa60 [ 1138.969366] [] ? __fget_light+0x169/0x1f0 [ 1138.969374] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1138.969384] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1138.969391] [] do_page_fault+0x27/0x30 [ 1138.969400] [] page_fault+0x25/0x30 [ 1138.969404] Mem-Info: [ 1138.969422] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1138.969422] active_file:22 inactive_file:48 isolated_file:0 [ 1138.969422] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1138.969422] slab_reclaimable:4127 slab_unreclaimable:57907 [ 1138.969422] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1138.969422] free:5953 free_pcp:84 free_cma:0 [ 1138.969436] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes [ 1138.969456] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1138.969484] Normal free:5180kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230380kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1138.969544] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 20*32kB (MH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5180kB 119 total pagecache pages [ 1138.969594] 0 pages in swap cache [ 1138.969599] Swap cache stats: add 0, delete 0, find 0/0 [ 1138.969601] Free swap = 0kB [ 1138.969603] Total swap = 0kB [ 1138.969606] 1965979 pages RAM [ 1138.969608] 0 pages HighMem/MovableOnly [ 1138.969610] 313617 pages reserved [ 1138.997209] syz-execprog: page allocation stalls for 60030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1138.997219] CPU: 0 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1138.997234] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1138.997245] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1138.997256] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1138.997258] Call Trace: [ 1138.997272] [] dump_stack+0xc1/0x128 [ 1138.997282] [] warn_alloc.cold.31+0x7f/0x9c ** 25 printk messages dropped ** [ 1138.997496] Mem-Info: ** 51 printk messages dropped ** [ 1139.295245] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:39 all_unreclaimable? yes ** 224 printk messages dropped ** [ 1148.919427] [] ? find_get_entry+0x11a/0x570 [ 1148.919435] [] ? find_get_entry+0x141/0x570 [ 1148.919442] [] ? page_cache_prev_hole+0x80/0x80 ** 47 printk messages dropped ** [ 1148.939702] [] ? find_get_entry+0x11a/0x570 [ 1148.939710] [] ? find_get_entry+0x141/0x570 [ 1148.939718] [] ? page_cache_prev_hole+0x80/0x80 [ 1148.939726] [] ? touch_atime+0xdb/0x270 [ 1148.939734] [] ? pagecache_get_page+0x131/0x710 [ 1148.939742] [] filemap_fault+0xaf1/0x1110 [ 1148.939751] [] ext4_filemap_fault+0x71/0xa0 ** 44 printk messages dropped ** [ 1148.949238] [] ? find_get_entry+0x141/0x570 [ 1148.949245] [] ? page_cache_prev_hole+0x80/0x80 [ 1148.949253] [] ? pagecache_get_page+0x131/0x710 [ 1148.949261] [] filemap_fault+0xaf1/0x1110 [ 1148.949270] [] ext4_filemap_fault+0x71/0xa0 [ 1148.949277] [] __do_fault+0x223/0x500 ** 1 printk messages dropped ** [ 1148.949293] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1148.949301] [] handle_mm_fault+0x1326/0x2350 [ 1148.949308] [] ? vm_insert_page+0x6f0/0x6f0 [ 1148.949318] [] __do_page_fault+0x403/0xa60 [ 1148.949326] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1148.949336] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1148.949343] [] do_page_fault+0x27/0x30 [ 1148.949352] [] page_fault+0x25/0x30 [ 1148.949355] Mem-Info: [ 1148.949373] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1148.949373] active_file:22 inactive_file:48 isolated_file:0 [ 1148.949373] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1148.949373] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1148.949373] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1148.949373] free:5961 free_pcp:84 free_cma:0 [ 1148.949387] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1148.949407] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1148.949435] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1148.949495] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1148.949545] 0 pages in swap cache [ 1148.949549] Swap cache stats: add 0, delete 0, find 0/0 [ 1148.949550] Free swap = 0kB [ 1148.949552] Total swap = 0kB [ 1148.949554] 1965979 pages RAM [ 1148.949556] 0 pages HighMem/MovableOnly [ 1148.949558] 313617 pages reserved [ 1148.958435] syz-execprog: page allocation stalls for 70060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1148.958443] CPU: 0 PID: 2223 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1148.958458] ffff8801c99bf7c0 ffffffff81b42e79 1ffff10039337efa ffff8801c9852f80 [ 1148.958469] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c99bf908 [ 1148.958479] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1148.958481] Call Trace: [ 1148.958494] [] dump_stack+0xc1/0x128 [ 1148.958504] [] warn_alloc.cold.31+0x7f/0x9c [ 1148.958513] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1148.958522] [] ? shrink_node+0x740/0x740 [ 1148.958531] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1148.958539] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1148.958548] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1148.958557] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1148.958564] [] ? find_get_entry+0x11a/0x570 [ 1148.958572] [] ? find_get_entry+0x141/0x570 [ 1148.958579] [] ? page_cache_prev_hole+0x80/0x80 [ 1148.958588] [] ? autoremove_wake_function+0x40/0x40 [ 1148.958596] [] ? pagecache_get_page+0x131/0x710 [ 1148.958604] [] filemap_fault+0xaf1/0x1110 [ 1148.958613] [] ext4_filemap_fault+0x71/0xa0 [ 1148.958620] [] __do_fault+0x223/0x500 [ 1148.958627] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1148.958636] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1148.958643] [] handle_mm_fault+0x1326/0x2350 [ 1148.958651] [] ? ep_poll+0x18f/0xb20 [ 1148.958659] [] ? vm_insert_page+0x6f0/0x6f0 [ 1148.958667] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1148.958676] [] __do_page_fault+0x403/0xa60 [ 1148.958685] [] ? __fget_light+0x169/0x1f0 [ 1148.958693] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1148.958703] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1148.958710] [] do_page_fault+0x27/0x30 [ 1148.958718] [] page_fault+0x25/0x30 [ 1148.958721] Mem-Info: [ 1148.958739] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1148.958739] active_file:22 inactive_file:48 isolated_file:0 [ 1148.958739] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1148.958739] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1148.958739] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1148.958739] free:5961 free_pcp:84 free_cma:0 [ 1148.958753] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1148.958772] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1148.958800] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1148.958860] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1148.958911] 0 pages in swap cache [ 1148.958915] Swap cache stats: add 0, delete 0, find 0/0 [ 1148.958917] Free swap = 0kB [ 1148.958920] Total swap = 0kB [ 1148.958922] 1965979 pages RAM [ 1148.958924] 0 pages HighMem/MovableOnly [ 1148.958927] 313617 pages reserved [ 1148.991035] syz-execprog: page allocation stalls for 70090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1148.991045] CPU: 0 PID: 2235 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1148.991061] ffff8801c966f7c0 ffffffff81b42e79 1ffff100392cdefa ffff8801cdc15f00 [ 1148.991079] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c966f908 [ 1148.991090] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1148.991092] Call Trace: [ 1148.991107] [] dump_stack+0xc1/0x128 [ 1148.991117] [] warn_alloc.cold.31+0x7f/0x9c [ 1148.991127] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1148.991136] [] ? shrink_node+0x740/0x740 [ 1148.991146] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1148.991154] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1148.991164] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1148.991172] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1148.991180] [] ? find_get_entry+0x11a/0x570 [ 1148.991188] [] ? find_get_entry+0x141/0x570 [ 1148.991195] [] ? page_cache_prev_hole+0x80/0x80 [ 1148.991204] [] ? autoremove_wake_function+0x40/0x40 [ 1148.991212] [] ? pagecache_get_page+0x131/0x710 [ 1148.991220] [] filemap_fault+0xaf1/0x1110 [ 1148.991230] [] ext4_filemap_fault+0x71/0xa0 [ 1148.991237] [] __do_fault+0x223/0x500 [ 1148.991244] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1148.991253] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1148.991261] [] handle_mm_fault+0x1326/0x2350 [ 1148.991269] [] ? vm_insert_page+0x6f0/0x6f0 [ 1148.991278] [] ? selinux_file_permission+0x82/0x470 [ 1148.991288] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1148.991296] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1148.991305] [] __do_page_fault+0x403/0xa60 [ 1148.991313] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1148.991324] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1148.991331] [] do_page_fault+0x27/0x30 [ 1148.991340] [] page_fault+0x25/0x30 [ 1148.991344] Mem-Info: [ 1148.991362] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1148.991362] active_file:22 inactive_file:48 isolated_file:0 [ 1148.991362] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1148.991362] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1148.991362] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1148.991362] free:5961 free_pcp:84 free_cma:0 [ 1148.991376] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1148.991396] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1148.991423] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1148.991484] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1148.991536] 0 pages in swap cache [ 1148.991540] Swap cache stats: add 0, delete 0, find 0/0 [ 1148.991542] Free swap = 0kB [ 1148.991545] Total swap = 0kB [ 1148.991547] 1965979 pages RAM [ 1148.991550] 0 pages HighMem/MovableOnly [ 1148.991552] 313617 pages reserved [ 1148.998422] syz-execprog: page allocation stalls for 70030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1148.998431] CPU: 0 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1148.998446] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1148.998457] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1148.998468] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1148.998470] Call Trace: [ 1148.998481] [] dump_stack+0xc1/0x128 [ 1148.998491] [] warn_alloc.cold.31+0x7f/0x9c [ 1148.998499] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1148.998508] [] ? shrink_node+0x740/0x740 [ 1148.998517] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1148.998525] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 78 printk messages dropped ** [ 1149.027682] lowmem_reserve[]: 0 0 0 ** 125 printk messages dropped ** [ 1157.836674] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1157.836674] to free 120kB on behalf of 'udevd' (2410) because [ 1157.836674] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1157.836674] Free memory is -13660kB above reserved ** 44 printk messages dropped ** [ 1158.910186] Swap cache stats: add 0, delete 0, find 0/0 ** 49 printk messages dropped ** [ 1158.918465] Swap cache stats: add 0, delete 0, find 0/0 [ 1158.918467] Free swap = 0kB [ 1158.918470] Total swap = 0kB [ 1158.918472] 1965979 pages RAM [ 1158.918474] 0 pages HighMem/MovableOnly [ 1158.918477] 313617 pages reserved [ 1158.919864] kworker/u4:3: page allocation stalls for 80040ms, order:0, mode:0x26000d0(GFP_TEMPORARY|__GFP_NOTRACK) [ 1158.919873] CPU: 1 PID: 2266 Comm: kworker/u4:3 Not tainted 4.9.141+ #1 ** 58 printk messages dropped ** [ 1158.920381] [] kthread+0x26d/0x300 [ 1158.920388] [] ? process_one_work+0x15f0/0x15f0 [ 1158.920396] [] ? kthread_park+0xa0/0xa0 [ 1158.920405] [] ? __switch_to_asm+0x34/0x70 [ 1158.920412] [] ? kthread_park+0xa0/0xa0 [ 1158.920420] [] ? kthread_park+0xa0/0xa0 [ 1158.920427] [] ret_from_fork+0x5c/0x70 [ 1158.920430] Mem-Info: [ 1158.920448] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1158.920448] active_file:22 inactive_file:48 isolated_file:0 [ 1158.920448] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1158.920448] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1158.920448] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1158.920448] free:5961 free_pcp:84 free_cma:0 [ 1158.920463] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1158.920482] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1158.920511] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:236kB free_cma:0kB ** 38 printk messages dropped ** [ 1158.921229] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1158.921238] [] __do_page_fault+0x403/0xa60 ** 2 printk messages dropped ** [ 1158.921264] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1158.921271] [] do_page_fault+0x27/0x30 [ 1158.921279] [] page_fault+0x25/0x30 [ 1158.921282] Mem-Info: [ 1158.921299] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1158.921299] active_file:22 inactive_file:48 isolated_file:0 [ 1158.921299] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1158.921299] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1158.921299] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1158.921299] free:5961 free_pcp:84 free_cma:0 [ 1158.921313] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1158.921333] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1158.921361] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1158.921420] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1158.921471] 0 pages in swap cache [ 1158.921476] Swap cache stats: add 0, delete 0, find 0/0 [ 1158.921478] Free swap = 0kB [ 1158.921480] Total swap = 0kB [ 1158.921483] 1965979 pages RAM [ 1158.921485] 0 pages HighMem/MovableOnly [ 1158.921488] 313617 pages reserved [ 1158.939553] syz-execprog: page allocation stalls for 80040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1158.939568] CPU: 1 PID: 2235 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1158.939584] ffff8801c966f7c0 ffffffff81b42e79 1ffff100392cdefa ffff8801cdc15f00 [ 1158.939595] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c966f908 [ 1158.939606] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1158.939608] Call Trace: [ 1158.939624] [] dump_stack+0xc1/0x128 [ 1158.939634] [] warn_alloc.cold.31+0x7f/0x9c [ 1158.939644] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1158.939653] [] ? shrink_node+0x740/0x740 [ 1158.939662] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1158.939671] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1158.939680] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1158.939689] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1158.939696] [] ? find_get_entry+0x11a/0x570 [ 1158.939704] [] ? find_get_entry+0x141/0x570 [ 1158.939712] [] ? page_cache_prev_hole+0x80/0x80 [ 1158.939721] [] ? autoremove_wake_function+0x40/0x40 [ 1158.939728] [] ? pagecache_get_page+0x131/0x710 [ 1158.939736] [] filemap_fault+0xaf1/0x1110 [ 1158.939746] [] ext4_filemap_fault+0x71/0xa0 [ 1158.939753] [] __do_fault+0x223/0x500 [ 1158.939761] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1158.939769] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1158.939777] [] handle_mm_fault+0x1326/0x2350 [ 1158.939785] [] ? vm_insert_page+0x6f0/0x6f0 [ 1158.939795] [] ? selinux_file_permission+0x82/0x470 [ 1158.939805] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1158.939812] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1158.939822] [] __do_page_fault+0x403/0xa60 [ 1158.939830] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1158.939841] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1158.939848] [] do_page_fault+0x27/0x30 [ 1158.939857] [] page_fault+0x25/0x30 [ 1158.939860] Mem-Info: [ 1158.939879] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1158.939879] active_file:22 inactive_file:48 isolated_file:0 [ 1158.939879] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1158.939879] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1158.939879] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1158.939879] free:5961 free_pcp:84 free_cma:0 [ 1158.939893] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1158.939913] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1158.939941] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1158.940002] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1158.940053] 0 pages in swap cache [ 1158.940064] Swap cache stats: add 0, delete 0, find 0/0 [ 1158.940066] Free swap = 0kB [ 1158.940068] Total swap = 0kB [ 1158.940071] 1965979 pages RAM [ 1158.940073] 0 pages HighMem/MovableOnly [ 1158.940075] 313617 pages reserved [ 1158.947460] syz-execprog: page allocation stalls for 80080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1158.947470] CPU: 1 PID: 2221 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1158.947485] ffff8801c98af7c0 ffffffff81b42e79 1ffff10039315efa ffff8801ca008000 [ 1158.947496] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98af908 [ 1158.947507] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1158.947509] Call Trace: [ 1158.947523] [] dump_stack+0xc1/0x128 [ 1158.947534] [] warn_alloc.cold.31+0x7f/0x9c [ 1158.947544] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1158.947554] [] ? shrink_node+0x740/0x740 [ 1158.947572] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1158.947582] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1158.947590] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1158.947598] [] ? find_get_entry+0x11a/0x570 [ 1158.947606] [] ? find_get_entry+0x141/0x570 [ 1158.947613] [] ? page_cache_prev_hole+0x80/0x80 [ 1158.947622] [] ? trace_hardirqs_on+0x10/0x10 [ 1158.947630] [] ? pagecache_get_page+0x131/0x710 [ 1158.947637] [] filemap_fault+0xaf1/0x1110 [ 1158.947647] [] ext4_filemap_fault+0x71/0xa0 [ 1158.947654] [] __do_fault+0x223/0x500 [ 1158.947661] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1158.947670] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1158.947678] [] handle_mm_fault+0x1326/0x2350 [ 1158.947687] [] ? poll_select_set_timeout+0xb5/0x120 [ 1158.947694] [] ? vm_insert_page+0x6f0/0x6f0 [ 1158.947704] [] __do_page_fault+0x403/0xa60 [ 1158.947713] [] ? __fget_light+0x169/0x1f0 [ 1158.947720] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1158.947731] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1158.947738] [] do_page_fault+0x27/0x30 [ 1158.947747] [] page_fault+0x25/0x30 [ 1158.947750] Mem-Info: [ 1158.947769] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1158.947769] active_file:22 inactive_file:48 isolated_file:0 [ 1158.947769] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1158.947769] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1158.947769] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1158.947769] free:5961 free_pcp:84 free_cma:0 [ 1158.947783] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1158.947803] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1158.947831] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1158.947891] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1158.947944] 0 pages in swap cache [ 1158.947948] Swap cache stats: add 0, delete 0, find 0/0 [ 1158.947950] Free swap = 0kB [ 1158.947952] Total swap = 0kB [ 1158.947955] 1965979 pages RAM [ 1158.947957] 0 pages HighMem/MovableOnly [ 1158.947959] 313617 pages reserved [ 1158.979847] syz-execprog: page allocation stalls for 80010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1158.979857] CPU: 1 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1158.979874] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1158.979884] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 ** 211 printk messages dropped ** [ 1168.880085] warn_alloc: 2 callbacks suppressed ** 46 printk messages dropped ** [ 1168.880615] 1965979 pages RAM ** 64 printk messages dropped ** [ 1168.890517] [] ? kthread_park+0xa0/0xa0 [ 1168.890527] [] ? __switch_to_asm+0x34/0x70 [ 1168.890534] [] ? kthread_park+0xa0/0xa0 [ 1168.890542] [] ? kthread_park+0xa0/0xa0 [ 1168.890549] [] ret_from_fork+0x5c/0x70 [ 1168.890553] Mem-Info: ** 47 printk messages dropped ** [ 1168.907949] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1168.907957] [] do_page_fault+0x27/0x30 [ 1168.907966] [] page_fault+0x25/0x30 [ 1168.907969] Mem-Info: [ 1168.907988] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1168.907988] active_file:22 inactive_file:48 isolated_file:0 [ 1168.907988] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1168.907988] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1168.907988] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1168.907988] free:5961 free_pcp:84 free_cma:0 ** 46 printk messages dropped ** [ 1168.928476] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1168.928483] [] do_page_fault+0x27/0x30 [ 1168.928492] [] page_fault+0x25/0x30 [ 1168.928496] Mem-Info: [ 1168.928513] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1168.928513] active_file:22 inactive_file:48 isolated_file:0 [ 1168.928513] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1168.928513] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1168.928513] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1168.928513] free:5961 free_pcp:84 free_cma:0 [ 1168.928527] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1168.928547] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1168.928581] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1168.928640] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1168.928690] 0 pages in swap cache [ 1168.928694] Swap cache stats: add 0, delete 0, find 0/0 [ 1168.928696] Free swap = 0kB [ 1168.928699] Total swap = 0kB [ 1168.928701] 1965979 pages RAM [ 1168.928703] 0 pages HighMem/MovableOnly [ 1168.928705] 313617 pages reserved [ 1168.946652] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1168.946652] to free 120kB on behalf of 'blkid' (2419) because [ 1168.946652] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1168.946652] Free memory is -13660kB above reserved [ 1168.949927] blkid: page allocation stalls for 90060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1168.949936] CPU: 0 PID: 2419 Comm: blkid Not tainted 4.9.141+ #1 [ 1168.949953] ffff88010f36f7c0 ffffffff81b42e79 1ffff10021e6defa ffff8801c73aaf80 [ 1168.949964] ffffffff82a97480 0000000000000001 0000000000400000 ffff88010f36f908 [ 1168.949975] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1168.949977] Call Trace: [ 1168.949993] [] dump_stack+0xc1/0x128 [ 1168.950003] [] warn_alloc.cold.31+0x7f/0x9c [ 1168.950013] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1168.950023] [] ? shrink_node+0x740/0x740 [ 1168.950033] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1168.950041] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1168.950051] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1168.950067] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1168.950075] [] ? find_get_entry+0x11a/0x570 [ 1168.950083] [] ? find_get_entry+0x141/0x570 [ 1168.950091] [] ? page_cache_prev_hole+0x80/0x80 [ 1168.950099] [] ? touch_atime+0xdb/0x270 [ 1168.950107] [] ? pagecache_get_page+0x131/0x710 [ 1168.950115] [] filemap_fault+0xaf1/0x1110 [ 1168.950125] [] ext4_filemap_fault+0x71/0xa0 [ 1168.950133] [] __do_fault+0x223/0x500 [ 1168.950141] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1168.950150] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1168.950158] [] handle_mm_fault+0x1326/0x2350 [ 1168.950165] [] ? vm_insert_page+0x6f0/0x6f0 [ 1168.950175] [] ? selinux_file_permission+0x82/0x470 [ 1168.950185] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1168.950195] [] __do_page_fault+0x403/0xa60 [ 1168.950203] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1168.950214] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1168.950222] [] do_page_fault+0x27/0x30 [ 1168.950231] [] page_fault+0x25/0x30 [ 1168.950235] Mem-Info: [ 1168.950254] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1168.950254] active_file:22 inactive_file:48 isolated_file:0 [ 1168.950254] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1168.950254] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1168.950254] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1168.950254] free:5961 free_pcp:84 free_cma:0 [ 1168.950268] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1168.950289] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1168.950318] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1168.950381] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1168.950435] 0 pages in swap cache [ 1168.950440] Swap cache stats: add 0, delete 0, find 0/0 [ 1168.950442] Free swap = 0kB [ 1168.950444] Total swap = 0kB [ 1168.950447] 1965979 pages RAM [ 1168.950449] 0 pages HighMem/MovableOnly [ 1168.950452] 313617 pages reserved [ 1168.969771] syz-executor.3: page allocation stalls for 90070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1168.969780] CPU: 0 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1168.969796] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1168.969807] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1168.969818] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1168.969819] Call Trace: [ 1168.969834] [] dump_stack+0xc1/0x128 [ 1168.969844] [] warn_alloc.cold.31+0x7f/0x9c [ 1168.969854] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1168.969863] [] ? shrink_node+0x740/0x740 [ 1168.969872] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1168.969880] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1168.969890] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1168.969898] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1168.969906] [] ? find_get_entry+0x11a/0x570 [ 1168.969913] [] ? find_get_entry+0x141/0x570 [ 1168.969921] [] ? page_cache_prev_hole+0x80/0x80 [ 1168.969928] [] ? pagecache_get_page+0x131/0x710 [ 1168.969937] [] filemap_fault+0xaf1/0x1110 [ 1168.969945] [] ext4_filemap_fault+0x71/0xa0 [ 1168.969953] [] __do_fault+0x223/0x500 [ 1168.969960] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1168.969969] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1168.969976] [] handle_mm_fault+0x1326/0x2350 [ 1168.969985] [] ? vm_insert_page+0x6f0/0x6f0 [ 1168.969995] [] __do_page_fault+0x403/0xa60 [ 1168.970003] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1168.970013] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1168.970021] [] do_page_fault+0x27/0x30 [ 1168.970029] [] page_fault+0x25/0x30 [ 1168.970033] Mem-Info: [ 1168.970050] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1168.970050] active_file:22 inactive_file:48 isolated_file:0 [ 1168.970050] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1168.970050] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1168.970050] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1168.970050] free:5961 free_pcp:84 free_cma:0 [ 1168.970072] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1168.970093] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1168.970121] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1168.970181] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1168.970232] 0 pages in swap cache [ 1168.970237] Swap cache stats: add 0, delete 0, find 0/0 [ 1168.970239] Free swap = 0kB [ 1168.970241] Total swap = 0kB [ 1168.970244] 1965979 pages RAM [ 1168.970246] 0 pages HighMem/MovableOnly [ 1168.970248] 313617 pages reserved [ 1169.008139] syz-execprog: page allocation stalls for 90040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1169.008149] CPU: 1 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1169.008165] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1169.008176] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1169.008187] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1169.008189] Call Trace: [ 1169.008205] [] dump_stack+0xc1/0x128 [ 1169.008216] [] warn_alloc.cold.31+0x7f/0x9c [ 1169.008226] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1169.008235] [] ? shrink_node+0x740/0x740 [ 1169.008245] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1169.008254] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1169.008263] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1169.008271] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1169.008279] [] ? find_get_entry+0x11a/0x570 [ 1169.008287] [] ? find_get_entry+0x141/0x570 [ 1169.008295] [] ? page_cache_prev_hole+0x80/0x80 [ 1169.008304] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 1169.008312] [] ? pagecache_get_page+0x131/0x710 [ 1169.008320] [] filemap_fault+0xaf1/0x1110 [ 1169.008329] [] ext4_filemap_fault+0x71/0xa0 [ 1169.008337] [] __do_fault+0x223/0x500 [ 1169.008344] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1169.008352] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1169.008360] [] handle_mm_fault+0x1326/0x2350 [ 1169.008368] [] ? vm_insert_page+0x6f0/0x6f0 [ 1169.008378] [] ? kvm_clock_read+0x23/0x40 [ 1169.008385] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1169.008395] [] __do_page_fault+0x403/0xa60 [ 1169.008403] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1169.008413] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 235 printk messages dropped ** [ 1178.890236] [] __writeback_inodes_wb+0xfb/0x1e0 ** 50 printk messages dropped ** [ 1178.919318] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1178.919325] [] ? find_get_entry+0x11a/0x570 [ 1178.919333] [] ? find_get_entry+0x141/0x570 [ 1178.919340] [] ? page_cache_prev_hole+0x80/0x80 [ 1178.919349] [] ? autoremove_wake_function+0x40/0x40 ** 52 printk messages dropped ** [ 1178.926340] [] filemap_fault+0xaf1/0x1110 [ 1178.926349] [] ext4_filemap_fault+0x71/0xa0 [ 1178.926356] [] __do_fault+0x223/0x500 [ 1178.926363] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1178.926372] [] ? generic_file_readonly_mmap+0x190/0x190 ** 43 printk messages dropped ** [ 1178.949691] [] ? page_cache_prev_hole+0x80/0x80 [ 1178.949699] [] ? touch_atime+0xdb/0x270 [ 1178.949707] [] ? pagecache_get_page+0x131/0x710 [ 1178.949714] [] filemap_fault+0xaf1/0x1110 [ 1178.949723] [] ext4_filemap_fault+0x71/0xa0 [ 1178.949731] [] __do_fault+0x223/0x500 [ 1178.949739] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1178.949747] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1178.949754] [] handle_mm_fault+0x1326/0x2350 [ 1178.949761] [] ? vm_insert_page+0x6f0/0x6f0 [ 1178.949769] [] ? selinux_file_permission+0x82/0x470 [ 1178.949779] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1178.949788] [] __do_page_fault+0x403/0xa60 [ 1178.949796] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1178.949806] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1178.949814] [] do_page_fault+0x27/0x30 [ 1178.949822] [] page_fault+0x25/0x30 [ 1178.949826] Mem-Info: [ 1178.949844] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1178.949844] active_file:22 inactive_file:48 isolated_file:0 [ 1178.949844] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1178.949844] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1178.949844] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1178.949844] free:5961 free_pcp:84 free_cma:0 [ 1178.949858] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1178.949878] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1178.949905] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1178.949962] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1178.950012] 0 pages in swap cache [ 1178.950016] Swap cache stats: add 0, delete 0, find 0/0 [ 1178.950018] Free swap = 0kB [ 1178.950021] Total swap = 0kB [ 1178.950023] 1965979 pages RAM [ 1178.950025] 0 pages HighMem/MovableOnly [ 1178.950027] 313617 pages reserved [ 1178.969001] syz-executor.3: page allocation stalls for 100070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1178.969010] CPU: 1 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1178.969027] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1178.969038] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1178.969049] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1178.969051] Call Trace: [ 1178.969066] [] dump_stack+0xc1/0x128 [ 1178.969077] [] warn_alloc.cold.31+0x7f/0x9c [ 1178.969094] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1178.969103] [] ? shrink_node+0x740/0x740 [ 1178.969112] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1178.969121] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1178.969130] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1178.969138] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1178.969146] [] ? find_get_entry+0x11a/0x570 [ 1178.969154] [] ? find_get_entry+0x141/0x570 [ 1178.969161] [] ? page_cache_prev_hole+0x80/0x80 [ 1178.969169] [] ? pagecache_get_page+0x131/0x710 [ 1178.969177] [] filemap_fault+0xaf1/0x1110 [ 1178.969186] [] ext4_filemap_fault+0x71/0xa0 [ 1178.969194] [] __do_fault+0x223/0x500 [ 1178.969201] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1178.969210] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1178.969217] [] handle_mm_fault+0x1326/0x2350 [ 1178.969225] [] ? vm_insert_page+0x6f0/0x6f0 [ 1178.969235] [] __do_page_fault+0x403/0xa60 [ 1178.969244] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1178.969254] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1178.969261] [] do_page_fault+0x27/0x30 [ 1178.969270] [] page_fault+0x25/0x30 [ 1178.969274] Mem-Info: [ 1178.969292] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1178.969292] active_file:22 inactive_file:48 isolated_file:0 [ 1178.969292] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1178.969292] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1178.969292] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1178.969292] free:5961 free_pcp:84 free_cma:0 [ 1178.969307] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1178.969327] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1178.969355] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1178.969415] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1178.969467] 0 pages in swap cache [ 1178.969472] Swap cache stats: add 0, delete 0, find 0/0 [ 1178.969474] Free swap = 0kB [ 1178.969476] Total swap = 0kB [ 1178.969479] 1965979 pages RAM [ 1178.969481] 0 pages HighMem/MovableOnly [ 1178.969483] 313617 pages reserved [ 1178.999795] udevd: page allocation stalls for 40020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1178.999804] CPU: 0 PID: 591 Comm: udevd Not tainted 4.9.141+ #1 [ 1178.999821] ffff8801d0b777c0 ffffffff81b42e79 1ffff1003a16eefa ffff8801d0a9c740 [ 1178.999831] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d0b77908 [ 1178.999842] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1178.999844] Call Trace: [ 1178.999860] [] dump_stack+0xc1/0x128 [ 1178.999870] [] warn_alloc.cold.31+0x7f/0x9c [ 1178.999880] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1178.999890] [] ? shrink_node+0x740/0x740 [ 1178.999899] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1178.999908] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1178.999917] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1178.999926] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1178.999933] [] ? find_get_entry+0x11a/0x570 [ 1178.999941] [] ? find_get_entry+0x141/0x570 [ 1178.999948] [] ? page_cache_prev_hole+0x80/0x80 [ 1178.999956] [] ? pagecache_get_page+0x131/0x710 [ 1178.999964] [] filemap_fault+0xaf1/0x1110 [ 1178.999973] [] ext4_filemap_fault+0x71/0xa0 [ 1178.999981] [] __do_fault+0x223/0x500 [ 1178.999988] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1178.999996] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1179.000004] [] handle_mm_fault+0x1326/0x2350 [ 1179.000013] [] ? ep_poll+0x18f/0xb20 [ 1179.000020] [] ? vm_insert_page+0x6f0/0x6f0 [ 1179.000028] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 1179.000036] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1179.000046] [] __do_page_fault+0x403/0xa60 [ 1179.000054] [] ? __fget_light+0x169/0x1f0 [ 1179.000071] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1179.000081] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1179.000088] [] do_page_fault+0x27/0x30 [ 1179.000097] [] page_fault+0x25/0x30 [ 1179.000101] Mem-Info: [ 1179.000119] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1179.000119] active_file:22 inactive_file:48 isolated_file:0 [ 1179.000119] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1179.000119] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1179.000119] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1179.000119] free:5961 free_pcp:84 free_cma:0 [ 1179.000133] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1179.000152] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1179.000181] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1179.000240] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1179.000292] 0 pages in swap cache [ 1179.000296] Swap cache stats: add 0, delete 0, find 0/0 [ 1179.000298] Free swap = 0kB [ 1179.000300] Total swap = 0kB [ 1179.000303] 1965979 pages RAM [ 1179.000305] 0 pages HighMem/MovableOnly [ 1179.000307] 313617 pages reserved [ 1179.054159] syz-execprog: page allocation stalls for 100080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1179.054168] CPU: 0 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1179.054185] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1179.054196] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1179.054207] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1179.054209] Call Trace: [ 1179.054224] [] dump_stack+0xc1/0x128 [ 1179.054234] [] warn_alloc.cold.31+0x7f/0x9c [ 1179.054244] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1179.054253] [] ? shrink_node+0x740/0x740 [ 1179.054262] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1179.054271] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1179.054280] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1179.054288] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1179.054296] [] ? find_get_entry+0x11a/0x570 [ 1179.054304] [] ? find_get_entry+0x141/0x570 [ 1179.054311] [] ? page_cache_prev_hole+0x80/0x80 [ 1179.054320] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 1179.054328] [] ? pagecache_get_page+0x131/0x710 [ 1179.054336] [] filemap_fault+0xaf1/0x1110 [ 1179.054345] [] ext4_filemap_fault+0x71/0xa0 [ 1179.054353] [] __do_fault+0x223/0x500 [ 1179.054360] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1179.054369] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1179.054377] [] handle_mm_fault+0x1326/0x2350 [ 1179.054384] [] ? vm_insert_page+0x6f0/0x6f0 [ 1179.054394] [] ? kvm_clock_read+0x23/0x40 [ 1179.054402] [] ? kvm_clock_get_cycles+0x9/0x10 ** 180 printk messages dropped ** [ 1185.146700] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1185.146700] to free 120kB on behalf of 'syz-execprog' (2224) because [ 1185.146700] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1185.146700] Free memory is -13660kB above reserved ** 91 printk messages dropped ** [ 1188.900794] 313617 pages reserved [ 1188.909513] syz-execprog: page allocation stalls for 110040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 48 printk messages dropped ** [ 1188.917629] syz-execprog: page allocation stalls for 110020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 6 printk messages dropped ** [ 1188.917701] [] warn_alloc.cold.31+0x7f/0x9c [ 1188.917711] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1188.917719] [] ? shrink_node+0x740/0x740 ** 46 printk messages dropped ** [ 1188.924407] Call Trace: [ 1188.924419] [] dump_stack+0xc1/0x128 [ 1188.924428] [] warn_alloc.cold.31+0x7f/0x9c [ 1188.924437] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1188.924446] [] ? shrink_node+0x740/0x740 [ 1188.924456] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1188.924464] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1188.924473] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1188.924482] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1188.924490] [] ? find_get_entry+0x11a/0x570 [ 1188.924498] [] ? find_get_entry+0x141/0x570 [ 1188.924506] [] ? page_cache_prev_hole+0x80/0x80 [ 1188.924513] [] ? autoremove_wake_function+0x40/0x40 [ 1188.924522] [] ? pagecache_get_page+0x131/0x710 [ 1188.924530] [] filemap_fault+0xaf1/0x1110 [ 1188.924539] [] ext4_filemap_fault+0x71/0xa0 [ 1188.924546] [] __do_fault+0x223/0x500 [ 1188.924554] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1188.924562] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1188.924570] [] handle_mm_fault+0x1326/0x2350 [ 1188.924579] [] ? ep_poll+0x18f/0xb20 [ 1188.924587] [] ? vm_insert_page+0x6f0/0x6f0 [ 1188.924595] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1188.924604] [] __do_page_fault+0x403/0xa60 [ 1188.924612] [] ? __fget_light+0x169/0x1f0 [ 1188.924620] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1188.924630] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1188.924638] [] do_page_fault+0x27/0x30 [ 1188.924647] [] page_fault+0x25/0x30 [ 1188.924650] Mem-Info: [ 1188.924668] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1188.924668] active_file:22 inactive_file:48 isolated_file:0 [ 1188.924668] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1188.924668] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1188.924668] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1188.924668] free:5961 free_pcp:84 free_cma:0 [ 1188.924683] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1188.924704] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1188.924732] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1188.924794] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1188.924847] 0 pages in swap cache [ 1188.924852] Swap cache stats: add 0, delete 0, find 0/0 [ 1188.924854] Free swap = 0kB [ 1188.924856] Total swap = 0kB [ 1188.924859] 1965979 pages RAM [ 1188.924861] 0 pages HighMem/MovableOnly [ 1188.924863] 313617 pages reserved [ 1188.932502] syz-executor.3: page allocation stalls for 110030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1188.932511] CPU: 1 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1188.932527] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1188.932538] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1188.932550] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1188.932552] Call Trace: [ 1188.932574] [] dump_stack+0xc1/0x128 [ 1188.932583] [] warn_alloc.cold.31+0x7f/0x9c [ 1188.932593] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1188.932602] [] ? shrink_node+0x740/0x740 [ 1188.932611] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1188.932620] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1188.932630] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1188.932639] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1188.932647] [] ? find_get_entry+0x11a/0x570 [ 1188.932655] [] ? find_get_entry+0x141/0x570 [ 1188.932663] [] ? page_cache_prev_hole+0x80/0x80 [ 1188.932671] [] ? pagecache_get_page+0x131/0x710 [ 1188.932679] [] filemap_fault+0xaf1/0x1110 [ 1188.932688] [] ext4_filemap_fault+0x71/0xa0 [ 1188.932696] [] __do_fault+0x223/0x500 [ 1188.932703] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1188.932712] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1188.932720] [] handle_mm_fault+0x1326/0x2350 [ 1188.932728] [] ? vm_insert_page+0x6f0/0x6f0 [ 1188.932738] [] __do_page_fault+0x403/0xa60 [ 1188.932747] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1188.932757] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1188.932765] [] do_page_fault+0x27/0x30 [ 1188.932774] [] page_fault+0x25/0x30 [ 1188.932778] Mem-Info: [ 1188.932796] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1188.932796] active_file:22 inactive_file:48 isolated_file:0 [ 1188.932796] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1188.932796] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1188.932796] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1188.932796] free:5961 free_pcp:84 free_cma:0 [ 1188.932811] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1188.932832] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1188.932861] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1188.932922] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1188.932976] 0 pages in swap cache [ 1188.932981] Swap cache stats: add 0, delete 0, find 0/0 [ 1188.932983] Free swap = 0kB [ 1188.932985] Total swap = 0kB [ 1188.932988] 1965979 pages RAM [ 1188.932990] 0 pages HighMem/MovableOnly [ 1188.932993] 313617 pages reserved [ 1188.937364] blkid: page allocation stalls for 110050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1188.937371] CPU: 1 PID: 2419 Comm: blkid Not tainted 4.9.141+ #1 [ 1188.937386] ffff88010f36f7c0 ffffffff81b42e79 1ffff10021e6defa ffff8801c73aaf80 [ 1188.937397] ffffffff82a97480 0000000000000001 0000000000400000 ffff88010f36f908 [ 1188.937408] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1188.937410] Call Trace: [ 1188.937421] [] dump_stack+0xc1/0x128 [ 1188.937430] [] warn_alloc.cold.31+0x7f/0x9c [ 1188.937439] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1188.937448] [] ? shrink_node+0x740/0x740 [ 1188.937458] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1188.937466] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1188.937475] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1188.937484] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1188.937491] [] ? find_get_entry+0x11a/0x570 [ 1188.937499] [] ? find_get_entry+0x141/0x570 [ 1188.937507] [] ? page_cache_prev_hole+0x80/0x80 [ 1188.937516] [] ? touch_atime+0xdb/0x270 [ 1188.937524] [] ? pagecache_get_page+0x131/0x710 [ 1188.937532] [] filemap_fault+0xaf1/0x1110 [ 1188.937541] [] ext4_filemap_fault+0x71/0xa0 [ 1188.937548] [] __do_fault+0x223/0x500 [ 1188.937564] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1188.937574] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1188.937581] [] handle_mm_fault+0x1326/0x2350 [ 1188.937589] [] ? vm_insert_page+0x6f0/0x6f0 [ 1188.937599] [] ? selinux_file_permission+0x82/0x470 [ 1188.937609] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1188.937618] [] __do_page_fault+0x403/0xa60 [ 1188.937627] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1188.937636] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1188.937644] [] do_page_fault+0x27/0x30 [ 1188.937652] [] page_fault+0x25/0x30 [ 1188.937655] Mem-Info: [ 1188.937673] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1188.937673] active_file:22 inactive_file:48 isolated_file:0 [ 1188.937673] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1188.937673] slab_reclaimable:4127 slab_unreclaimable:57908 [ 1188.937673] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1188.937673] free:5961 free_pcp:84 free_cma:0 [ 1188.937688] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1188.937708] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1188.937737] Normal free:5212kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230384kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1188.937798] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 75*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5212kB 119 total pagecache pages [ 1188.937852] 0 pages in swap cache [ 1188.937856] Swap cache stats: add 0, delete 0, find 0/0 [ 1188.937859] Free swap = 0kB [ 1188.937861] Total swap = 0kB [ 1188.937864] 1965979 pages RAM [ 1188.937866] 0 pages HighMem/MovableOnly [ 1188.937868] 313617 pages reserved [ 1188.982935] syz-execprog: page allocation stalls for 110010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1188.982946] CPU: 1 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1188.982962] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1188.982974] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1188.982985] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 171 printk messages dropped ** [ 1189.647296] [] ? ep_poll+0x18f/0xb20 ** 33 printk messages dropped ** [ 1195.246707] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1195.246707] to free 120kB on behalf of 'kworker/u4:3' (2266) because [ 1195.246707] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1195.246707] Free memory is -13660kB above reserved ** 46 printk messages dropped ** [ 1198.890830] [] __writeback_single_inode+0xd9/0x1020 ** 49 printk messages dropped ** [ 1198.923154] [] dump_stack+0xc1/0x128 [ 1198.923164] [] warn_alloc.cold.31+0x7f/0x9c [ 1198.923173] [] ? zone_watermark_ok_safe+0x250/0x250 ** 4 printk messages dropped ** [ 1198.923218] [] ? find_get_entry+0x11a/0x570 [ 1198.923226] [] ? find_get_entry+0x141/0x570 [ 1198.923233] [] ? page_cache_prev_hole+0x80/0x80 ** 48 printk messages dropped ** [ 1198.939939] [] ? find_get_entry+0x141/0x570 [ 1198.939947] [] ? page_cache_prev_hole+0x80/0x80 [ 1198.939956] [] ? autoremove_wake_function+0x40/0x40 [ 1198.939964] [] ? pagecache_get_page+0x131/0x710 [ 1198.939972] [] filemap_fault+0xaf1/0x1110 [ 1198.939981] [] ext4_filemap_fault+0x71/0xa0 [ 1198.939989] [] __do_fault+0x223/0x500 [ 1198.939996] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1198.940004] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1198.940012] [] handle_mm_fault+0x1326/0x2350 [ 1198.940020] [] ? vm_insert_page+0x6f0/0x6f0 [ 1198.940029] [] ? selinux_file_permission+0x82/0x470 [ 1198.940039] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1198.940047] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1198.940065] [] __do_page_fault+0x403/0xa60 [ 1198.940073] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1198.940084] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1198.940091] [] do_page_fault+0x27/0x30 [ 1198.940100] [] page_fault+0x25/0x30 [ 1198.940104] Mem-Info: [ 1198.940122] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1198.940122] active_file:22 inactive_file:48 isolated_file:0 [ 1198.940122] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1198.940122] slab_reclaimable:4127 slab_unreclaimable:57913 [ 1198.940122] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1198.940122] free:5959 free_pcp:81 free_cma:0 ** 29 printk messages dropped ** [ 1198.950059] [] ? find_get_entry+0x11a/0x570 [ 1198.950067] [] ? find_get_entry+0x141/0x570 [ 1198.950074] [] ? page_cache_prev_hole+0x80/0x80 [ 1198.950083] [] ? autoremove_wake_function+0x40/0x40 [ 1198.950091] [] ? pagecache_get_page+0x131/0x710 [ 1198.950098] [] filemap_fault+0xaf1/0x1110 [ 1198.950108] [] ext4_filemap_fault+0x71/0xa0 [ 1198.950115] [] __do_fault+0x223/0x500 [ 1198.950122] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1198.950131] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1198.950139] [] handle_mm_fault+0x1326/0x2350 [ 1198.950147] [] ? ep_poll+0x18f/0xb20 [ 1198.950155] [] ? vm_insert_page+0x6f0/0x6f0 [ 1198.950163] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1198.950172] [] __do_page_fault+0x403/0xa60 [ 1198.950181] [] ? __fget_light+0x169/0x1f0 [ 1198.950189] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1198.950199] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1198.950207] [] do_page_fault+0x27/0x30 [ 1198.950215] [] page_fault+0x25/0x30 [ 1198.950219] Mem-Info: [ 1198.950236] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1198.950236] active_file:22 inactive_file:48 isolated_file:0 [ 1198.950236] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1198.950236] slab_reclaimable:4127 slab_unreclaimable:57913 [ 1198.950236] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1198.950236] free:5959 free_pcp:81 free_cma:0 [ 1198.950250] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1198.950270] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1198.950298] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230404kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1198.950358] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1198.950410] 0 pages in swap cache [ 1198.950414] Swap cache stats: add 0, delete 0, find 0/0 [ 1198.950416] Free swap = 0kB [ 1198.950418] Total swap = 0kB [ 1198.950421] 1965979 pages RAM [ 1198.950423] 0 pages HighMem/MovableOnly [ 1198.950425] 313617 pages reserved [ 1198.957875] syz-executor.3: page allocation stalls for 120060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1198.957883] CPU: 0 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1198.957897] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1198.957908] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1198.957919] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1198.957921] Call Trace: [ 1198.957933] [] dump_stack+0xc1/0x128 [ 1198.957941] [] warn_alloc.cold.31+0x7f/0x9c [ 1198.957951] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1198.957963] [] ? shrink_node+0x740/0x740 [ 1198.957972] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1198.957980] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1198.957989] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1198.957998] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1198.958005] [] ? find_get_entry+0x11a/0x570 [ 1198.958012] [] ? find_get_entry+0x141/0x570 [ 1198.958020] [] ? page_cache_prev_hole+0x80/0x80 [ 1198.958028] [] ? pagecache_get_page+0x131/0x710 [ 1198.958036] [] filemap_fault+0xaf1/0x1110 [ 1198.958045] [] ext4_filemap_fault+0x71/0xa0 [ 1198.958060] [] __do_fault+0x223/0x500 [ 1198.958068] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1198.958076] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1198.958084] [] handle_mm_fault+0x1326/0x2350 [ 1198.958092] [] ? vm_insert_page+0x6f0/0x6f0 [ 1198.958101] [] __do_page_fault+0x403/0xa60 [ 1198.958109] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1198.958119] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1198.958127] [] do_page_fault+0x27/0x30 [ 1198.958134] [] page_fault+0x25/0x30 [ 1198.958138] Mem-Info: [ 1198.958155] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1198.958155] active_file:22 inactive_file:48 isolated_file:0 [ 1198.958155] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1198.958155] slab_reclaimable:4127 slab_unreclaimable:57913 [ 1198.958155] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1198.958155] free:5959 free_pcp:81 free_cma:0 [ 1198.958169] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1198.958189] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1198.958217] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230404kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1198.958276] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1198.958328] 0 pages in swap cache [ 1198.958332] Swap cache stats: add 0, delete 0, find 0/0 [ 1198.958334] Free swap = 0kB [ 1198.958336] Total swap = 0kB [ 1198.958339] 1965979 pages RAM [ 1198.958341] 0 pages HighMem/MovableOnly [ 1198.958343] 313617 pages reserved [ 1198.962537] blkid: page allocation stalls for 120070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1198.962544] CPU: 0 PID: 2419 Comm: blkid Not tainted 4.9.141+ #1 [ 1198.962556] ffff88010f36f7c0 ffffffff81b42e79 1ffff10021e6defa ffff8801c73aaf80 [ 1198.962567] ffffffff82a97480 0000000000000001 0000000000400000 ffff88010f36f908 [ 1198.962577] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1198.962579] Call Trace: [ 1198.962590] [] dump_stack+0xc1/0x128 [ 1198.962598] [] warn_alloc.cold.31+0x7f/0x9c [ 1198.962606] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1198.962615] [] ? shrink_node+0x740/0x740 [ 1198.962624] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1198.962632] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1198.962641] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1198.962649] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1198.962656] [] ? find_get_entry+0x11a/0x570 [ 1198.962664] [] ? find_get_entry+0x141/0x570 [ 1198.962671] [] ? page_cache_prev_hole+0x80/0x80 [ 1198.962680] [] ? touch_atime+0xdb/0x270 [ 1198.962687] [] ? pagecache_get_page+0x131/0x710 [ 1198.962695] [] filemap_fault+0xaf1/0x1110 [ 1198.962703] [] ext4_filemap_fault+0x71/0xa0 [ 1198.962710] [] __do_fault+0x223/0x500 [ 1198.962718] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1198.962726] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1198.962734] [] handle_mm_fault+0x1326/0x2350 [ 1198.962741] [] ? vm_insert_page+0x6f0/0x6f0 [ 1198.962750] [] ? selinux_file_permission+0x82/0x470 [ 1198.962760] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1198.962769] [] __do_page_fault+0x403/0xa60 [ 1198.962776] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1198.962785] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1198.962792] [] do_page_fault+0x27/0x30 [ 1198.962800] [] page_fault+0x25/0x30 [ 1198.962803] Mem-Info: [ 1198.962818] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1198.962818] active_file:22 inactive_file:48 isolated_file:0 [ 1198.962818] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1198.962818] slab_reclaimable:4127 slab_unreclaimable:57913 [ 1198.962818] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1198.962818] free:5959 free_pcp:81 free_cma:0 [ 1198.962830] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1198.962849] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1198.962876] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230404kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB ** 319 printk messages dropped ** [ 1208.902235] [] ? __writeback_single_inode+0x1020/0x1020 [ 1208.902245] [] ? down_read_trylock+0x6a/0xd0 [ 1208.902253] [] ? trylock_super+0x20/0xf0 [ 1208.902262] [] __writeback_inodes_wb+0xfb/0x1e0 [ 1208.902270] [] wb_writeback+0x512/0xbd0 ** 45 printk messages dropped ** [ 1208.908081] [] ? shrink_node+0x740/0x740 [ 1208.908091] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1208.908099] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1208.908108] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1208.908117] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1208.908124] [] ? find_get_entry+0x11a/0x570 ** 48 printk messages dropped ** [ 1208.918100] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1208.918109] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1208.918117] [] ? find_get_entry+0x11a/0x570 [ 1208.918124] [] ? find_get_entry+0x141/0x570 [ 1208.918132] [] ? page_cache_prev_hole+0x80/0x80 [ 1208.918140] [] ? pagecache_get_page+0x131/0x710 [ 1208.918148] [] filemap_fault+0xaf1/0x1110 [ 1208.918157] [] ext4_filemap_fault+0x71/0xa0 [ 1208.918164] [] __do_fault+0x223/0x500 [ 1208.918172] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1208.918180] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1208.918188] [] handle_mm_fault+0x1326/0x2350 [ 1208.918196] [] ? vm_insert_page+0x6f0/0x6f0 [ 1208.918206] [] __do_page_fault+0x403/0xa60 [ 1208.918214] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1208.918224] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1208.918232] [] do_page_fault+0x27/0x30 [ 1208.918239] [] page_fault+0x25/0x30 [ 1208.918243] Mem-Info: [ 1208.918261] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1208.918261] active_file:22 inactive_file:48 isolated_file:0 [ 1208.918261] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1208.918261] slab_reclaimable:4127 slab_unreclaimable:57913 [ 1208.918261] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1208.918261] free:5959 free_pcp:81 free_cma:0 [ 1208.918276] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1208.918296] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1208.918325] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230404kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1208.918387] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1208.918441] 0 pages in swap cache [ 1208.918446] Swap cache stats: add 0, delete 0, find 0/0 [ 1208.918448] Free swap = 0kB [ 1208.918450] Total swap = 0kB [ 1208.918453] 1965979 pages RAM [ 1208.918455] 0 pages HighMem/MovableOnly [ 1208.918457] 313617 pages reserved [ 1208.921435] blkid: page allocation stalls for 130030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1208.921453] CPU: 1 PID: 2419 Comm: blkid Not tainted 4.9.141+ #1 [ 1208.921468] ffff88010f36f7c0 ffffffff81b42e79 1ffff10021e6defa ffff8801c73aaf80 [ 1208.921480] ffffffff82a97480 0000000000000001 0000000000400000 ffff88010f36f908 [ 1208.921491] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1208.921493] Call Trace: [ 1208.921503] [] dump_stack+0xc1/0x128 [ 1208.921512] [] warn_alloc.cold.31+0x7f/0x9c [ 1208.921522] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1208.921530] [] ? shrink_node+0x740/0x740 [ 1208.921540] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1208.921554] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1208.921564] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1208.921573] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1208.921581] [] ? find_get_entry+0x11a/0x570 [ 1208.921588] [] ? find_get_entry+0x141/0x570 [ 1208.921596] [] ? page_cache_prev_hole+0x80/0x80 [ 1208.921604] [] ? touch_atime+0xdb/0x270 [ 1208.921612] [] ? pagecache_get_page+0x131/0x710 [ 1208.921621] [] filemap_fault+0xaf1/0x1110 [ 1208.921629] [] ext4_filemap_fault+0x71/0xa0 [ 1208.921637] [] __do_fault+0x223/0x500 [ 1208.921644] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1208.921653] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1208.921661] [] handle_mm_fault+0x1326/0x2350 [ 1208.921669] [] ? vm_insert_page+0x6f0/0x6f0 [ 1208.921678] [] ? selinux_file_permission+0x82/0x470 [ 1208.921688] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1208.921698] [] __do_page_fault+0x403/0xa60 [ 1208.921706] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1208.921715] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1208.921723] [] do_page_fault+0x27/0x30 [ 1208.921731] [] page_fault+0x25/0x30 [ 1208.921734] Mem-Info: [ 1208.921752] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1208.921752] active_file:22 inactive_file:48 isolated_file:0 [ 1208.921752] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1208.921752] slab_reclaimable:4127 slab_unreclaimable:57913 [ 1208.921752] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1208.921752] free:5959 free_pcp:81 free_cma:0 [ 1208.921766] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1208.921787] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1208.921816] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230404kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1208.921877] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1208.921931] 0 pages in swap cache [ 1208.921935] Swap cache stats: add 0, delete 0, find 0/0 [ 1208.921937] Free swap = 0kB [ 1208.921940] Total swap = 0kB [ 1208.921942] 1965979 pages RAM [ 1208.921945] 0 pages HighMem/MovableOnly [ 1208.921947] 313617 pages reserved [ 1208.949326] syz-execprog: page allocation stalls for 130050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1208.949335] CPU: 1 PID: 2235 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1208.949351] ffff8801c966f7c0 ffffffff81b42e79 1ffff100392cdefa ffff8801cdc15f00 [ 1208.949362] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c966f908 [ 1208.949373] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1208.949374] Call Trace: [ 1208.949390] [] dump_stack+0xc1/0x128 [ 1208.949399] [] warn_alloc.cold.31+0x7f/0x9c [ 1208.949410] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1208.949419] [] ? shrink_node+0x740/0x740 [ 1208.949428] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1208.949437] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1208.949446] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1208.949455] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1208.949462] [] ? find_get_entry+0x11a/0x570 [ 1208.949470] [] ? find_get_entry+0x141/0x570 [ 1208.949478] [] ? page_cache_prev_hole+0x80/0x80 [ 1208.949487] [] ? autoremove_wake_function+0x40/0x40 [ 1208.949495] [] ? pagecache_get_page+0x131/0x710 [ 1208.949503] [] filemap_fault+0xaf1/0x1110 [ 1208.949512] [] ext4_filemap_fault+0x71/0xa0 [ 1208.949520] [] __do_fault+0x223/0x500 [ 1208.949527] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1208.949536] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1208.949543] [] handle_mm_fault+0x1326/0x2350 [ 1208.949558] [] ? vm_insert_page+0x6f0/0x6f0 [ 1208.949567] [] ? selinux_file_permission+0x82/0x470 [ 1208.949577] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1208.949585] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1208.949595] [] __do_page_fault+0x403/0xa60 [ 1208.949603] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1208.949613] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1208.949620] [] do_page_fault+0x27/0x30 [ 1208.949629] [] page_fault+0x25/0x30 [ 1208.949633] Mem-Info: [ 1208.949651] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1208.949651] active_file:22 inactive_file:48 isolated_file:0 [ 1208.949651] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1208.949651] slab_reclaimable:4127 slab_unreclaimable:57913 [ 1208.949651] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1208.949651] free:5959 free_pcp:81 free_cma:0 [ 1208.949665] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1208.949685] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1208.949714] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230404kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1208.949774] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1208.949825] 0 pages in swap cache [ 1208.949830] Swap cache stats: add 0, delete 0, find 0/0 [ 1208.949832] Free swap = 0kB [ 1208.949834] Total swap = 0kB [ 1208.949837] 1965979 pages RAM [ 1208.949839] 0 pages HighMem/MovableOnly [ 1208.949841] 313617 pages reserved [ 1208.999801] syz-execprog: page allocation stalls for 130030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1208.999810] CPU: 1 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1208.999826] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1208.999837] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1208.999848] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1208.999850] Call Trace: [ 1208.999866] [] dump_stack+0xc1/0x128 [ 1208.999877] [] warn_alloc.cold.31+0x7f/0x9c [ 1208.999887] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1208.999896] [] ? shrink_node+0x740/0x740 [ 1208.999905] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1208.999914] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1208.999923] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 198 printk messages dropped ** [ 1215.446744] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1215.446744] to free 120kB on behalf of 'syz-executor.0' (2408) because [ 1215.446744] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1215.446744] Free memory is -13668kB above reserved ** 95 printk messages dropped ** [ 1218.903888] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1218.903890] Call Trace: [ 1218.903900] [] dump_stack+0xc1/0x128 ** 47 printk messages dropped ** [ 1218.909919] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1218.909921] Call Trace: [ 1218.909933] [] dump_stack+0xc1/0x128 [ 1218.909942] [] warn_alloc.cold.31+0x7f/0x9c [ 1218.909950] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1218.909958] [] ? shrink_node+0x740/0x740 ** 45 printk messages dropped ** [ 1218.919029] [] ? zone_watermark_ok_safe+0x250/0x250 ** 2 printk messages dropped ** [ 1218.919055] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1218.919064] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1218.919073] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1218.919080] [] ? find_get_entry+0x11a/0x570 [ 1218.919088] [] ? find_get_entry+0x141/0x570 [ 1218.919095] [] ? page_cache_prev_hole+0x80/0x80 [ 1218.919104] [] ? autoremove_wake_function+0x40/0x40 [ 1218.919112] [] ? pagecache_get_page+0x131/0x710 [ 1218.919120] [] filemap_fault+0xaf1/0x1110 [ 1218.919128] [] ext4_filemap_fault+0x71/0xa0 [ 1218.919135] [] __do_fault+0x223/0x500 [ 1218.919143] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1218.919151] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1218.919159] [] handle_mm_fault+0x1326/0x2350 [ 1218.919167] [] ? vm_insert_page+0x6f0/0x6f0 [ 1218.919176] [] ? selinux_file_permission+0x82/0x470 [ 1218.919186] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1218.919194] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1218.919203] [] __do_page_fault+0x403/0xa60 [ 1218.919211] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1218.919221] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1218.919229] [] do_page_fault+0x27/0x30 [ 1218.919238] [] page_fault+0x25/0x30 [ 1218.919241] Mem-Info: [ 1218.919258] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1218.919258] active_file:22 inactive_file:48 isolated_file:0 [ 1218.919258] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1218.919258] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1218.919258] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1218.919258] free:5959 free_pcp:80 free_cma:0 [ 1218.919273] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1218.919293] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1218.919321] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1218.919380] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1218.919432] 0 pages in swap cache [ 1218.919436] Swap cache stats: add 0, delete 0, find 0/0 [ 1218.919439] Free swap = 0kB [ 1218.919441] Total swap = 0kB [ 1218.919443] 1965979 pages RAM [ 1218.919445] 0 pages HighMem/MovableOnly [ 1218.919448] 313617 pages reserved [ 1218.937322] syz-execprog: page allocation stalls for 140040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1218.937331] CPU: 0 PID: 2223 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1218.937348] ffff8801c99bf7c0 ffffffff81b42e79 1ffff10039337efa ffff8801c9852f80 [ 1218.937359] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c99bf908 [ 1218.937369] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1218.937371] Call Trace: [ 1218.937387] [] dump_stack+0xc1/0x128 [ 1218.937397] [] warn_alloc.cold.31+0x7f/0x9c [ 1218.937407] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1218.937416] [] ? shrink_node+0x740/0x740 [ 1218.937425] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1218.937434] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1218.937443] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1218.937452] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1218.937460] [] ? find_get_entry+0x11a/0x570 [ 1218.937470] [] ? find_get_entry+0x141/0x570 [ 1218.937478] [] ? page_cache_prev_hole+0x80/0x80 [ 1218.937487] [] ? autoremove_wake_function+0x40/0x40 [ 1218.937495] [] ? pagecache_get_page+0x131/0x710 [ 1218.937503] [] filemap_fault+0xaf1/0x1110 [ 1218.937512] [] ext4_filemap_fault+0x71/0xa0 [ 1218.937520] [] __do_fault+0x223/0x500 [ 1218.937527] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1218.937536] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1218.937544] [] handle_mm_fault+0x1326/0x2350 [ 1218.937551] [] ? ep_poll+0x18f/0xb20 [ 1218.937558] [] ? vm_insert_page+0x6f0/0x6f0 [ 1218.937566] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1218.937576] [] __do_page_fault+0x403/0xa60 [ 1218.937584] [] ? __fget_light+0x169/0x1f0 [ 1218.937592] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1218.937602] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1218.937609] [] do_page_fault+0x27/0x30 [ 1218.937618] [] page_fault+0x25/0x30 [ 1218.937621] Mem-Info: [ 1218.937640] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1218.937640] active_file:22 inactive_file:48 isolated_file:0 [ 1218.937640] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1218.937640] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1218.937640] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1218.937640] free:5959 free_pcp:80 free_cma:0 [ 1218.937654] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1218.937674] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1218.937702] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1218.937763] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1218.937814] 0 pages in swap cache [ 1218.937819] Swap cache stats: add 0, delete 0, find 0/0 [ 1218.937821] Free swap = 0kB [ 1218.937823] Total swap = 0kB [ 1218.937826] 1965979 pages RAM [ 1218.937828] 0 pages HighMem/MovableOnly [ 1218.937830] 313617 pages reserved [ 1219.008883] udevd: page allocation stalls for 80030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1219.008892] CPU: 1 PID: 591 Comm: udevd Not tainted 4.9.141+ #1 [ 1219.008909] ffff8801d0b777c0 ffffffff81b42e79 1ffff1003a16eefa ffff8801d0a9c740 [ 1219.008921] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d0b77908 [ 1219.008931] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1219.008933] Call Trace: [ 1219.008949] [] dump_stack+0xc1/0x128 [ 1219.008959] [] warn_alloc.cold.31+0x7f/0x9c [ 1219.008969] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1219.008978] [] ? shrink_node+0x740/0x740 [ 1219.008988] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1219.008996] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1219.009006] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1219.009014] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1219.009022] [] ? find_get_entry+0x11a/0x570 [ 1219.009030] [] ? find_get_entry+0x141/0x570 [ 1219.009037] [] ? page_cache_prev_hole+0x80/0x80 [ 1219.009045] [] ? pagecache_get_page+0x131/0x710 [ 1219.009053] [] filemap_fault+0xaf1/0x1110 [ 1219.009063] [] ext4_filemap_fault+0x71/0xa0 [ 1219.009071] [] __do_fault+0x223/0x500 [ 1219.009078] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1219.009086] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1219.009094] [] handle_mm_fault+0x1326/0x2350 [ 1219.009103] [] ? ep_poll+0x18f/0xb20 [ 1219.009110] [] ? vm_insert_page+0x6f0/0x6f0 [ 1219.009118] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 1219.009125] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1219.009135] [] __do_page_fault+0x403/0xa60 [ 1219.009144] [] ? __fget_light+0x169/0x1f0 [ 1219.009152] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1219.009162] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1219.009170] [] do_page_fault+0x27/0x30 [ 1219.009178] [] page_fault+0x25/0x30 [ 1219.009182] Mem-Info: [ 1219.009200] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1219.009200] active_file:22 inactive_file:48 isolated_file:0 [ 1219.009200] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1219.009200] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1219.009200] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1219.009200] free:5959 free_pcp:80 free_cma:0 [ 1219.009215] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1219.009235] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1219.009263] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1219.009324] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1219.009376] 0 pages in swap cache [ 1219.009380] Swap cache stats: add 0, delete 0, find 0/0 [ 1219.009382] Free swap = 0kB [ 1219.009385] Total swap = 0kB [ 1219.009387] 1965979 pages RAM [ 1219.009389] 0 pages HighMem/MovableOnly ** 79 printk messages dropped ** [ 1219.289702] [] __do_page_fault+0x403/0xa60 ** 45 printk messages dropped ** [ 1219.609354] [] ? generic_file_readonly_mmap+0x190/0x190 ** 182 printk messages dropped ** [ 1228.919443] [] ? shrink_node+0x740/0x740 [ 1228.919452] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1228.919462] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1228.919471] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1228.919479] [] ? find_get_entry+0x11a/0x570 [ 1228.919486] [] ? find_get_entry+0x141/0x570 ** 44 printk messages dropped ** [ 1228.930056] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1228.930066] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1228.930075] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1228.930083] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1228.930091] [] ? find_get_entry+0x11a/0x570 [ 1228.930098] [] ? find_get_entry+0x141/0x570 ** 45 printk messages dropped ** [ 1228.934199] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1228.934209] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1228.934217] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1228.934224] [] ? find_get_entry+0x11a/0x570 [ 1228.934232] [] ? find_get_entry+0x141/0x570 [ 1228.934239] [] ? page_cache_prev_hole+0x80/0x80 [ 1228.934248] [] ? autoremove_wake_function+0x40/0x40 [ 1228.934255] [] ? pagecache_get_page+0x131/0x710 [ 1228.934263] [] filemap_fault+0xaf1/0x1110 [ 1228.934271] [] ext4_filemap_fault+0x71/0xa0 [ 1228.934278] [] __do_fault+0x223/0x500 [ 1228.934285] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1228.934294] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1228.934302] [] handle_mm_fault+0x1326/0x2350 [ 1228.934309] [] ? ep_poll+0x18f/0xb20 [ 1228.934317] [] ? vm_insert_page+0x6f0/0x6f0 [ 1228.934325] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1228.934334] [] __do_page_fault+0x403/0xa60 [ 1228.934341] [] ? __fget_light+0x169/0x1f0 [ 1228.934349] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1228.934358] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1228.934366] [] do_page_fault+0x27/0x30 [ 1228.934373] [] page_fault+0x25/0x30 [ 1228.934376] Mem-Info: [ 1228.934392] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1228.934392] active_file:22 inactive_file:48 isolated_file:0 [ 1228.934392] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1228.934392] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1228.934392] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1228.934392] free:5959 free_pcp:80 free_cma:0 [ 1228.934407] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1228.934426] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1228.934454] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1228.934513] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1228.934563] 0 pages in swap cache [ 1228.934567] Swap cache stats: add 0, delete 0, find 0/0 [ 1228.934569] Free swap = 0kB [ 1228.934571] Total swap = 0kB [ 1228.934574] 1965979 pages RAM [ 1228.934576] 0 pages HighMem/MovableOnly [ 1228.934578] 313617 pages reserved [ 1228.947595] syz-execprog: page allocation stalls for 150050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1228.947604] CPU: 0 PID: 2235 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1228.947621] ffff8801c966f7c0 ffffffff81b42e79 1ffff100392cdefa ffff8801cdc15f00 [ 1228.947631] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c966f908 [ 1228.947642] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1228.947644] Call Trace: [ 1228.947660] [] dump_stack+0xc1/0x128 [ 1228.947669] [] warn_alloc.cold.31+0x7f/0x9c [ 1228.947679] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1228.947688] [] ? shrink_node+0x740/0x740 [ 1228.947697] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1228.947706] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1228.947715] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1228.947724] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1228.947731] [] ? find_get_entry+0x11a/0x570 [ 1228.947739] [] ? find_get_entry+0x141/0x570 [ 1228.947746] [] ? page_cache_prev_hole+0x80/0x80 [ 1228.947755] [] ? autoremove_wake_function+0x40/0x40 [ 1228.947763] [] ? pagecache_get_page+0x131/0x710 [ 1228.947771] [] filemap_fault+0xaf1/0x1110 [ 1228.947780] [] ext4_filemap_fault+0x71/0xa0 [ 1228.947788] [] __do_fault+0x223/0x500 [ 1228.947795] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1228.947803] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1228.947811] [] handle_mm_fault+0x1326/0x2350 [ 1228.947819] [] ? vm_insert_page+0x6f0/0x6f0 [ 1228.947828] [] ? selinux_file_permission+0x82/0x470 [ 1228.947838] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1228.947845] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1228.947855] [] __do_page_fault+0x403/0xa60 [ 1228.947863] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1228.947873] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1228.947880] [] do_page_fault+0x27/0x30 [ 1228.947889] [] page_fault+0x25/0x30 [ 1228.947892] Mem-Info: [ 1228.947910] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1228.947910] active_file:22 inactive_file:48 isolated_file:0 [ 1228.947910] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1228.947910] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1228.947910] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1228.947910] free:5959 free_pcp:80 free_cma:0 [ 1228.947925] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1228.947945] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1228.947973] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1228.948032] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1228.948091] 0 pages in swap cache [ 1228.948095] Swap cache stats: add 0, delete 0, find 0/0 [ 1228.948098] Free swap = 0kB [ 1228.948100] Total swap = 0kB [ 1228.948103] 1965979 pages RAM [ 1228.948105] 0 pages HighMem/MovableOnly [ 1228.948107] 313617 pages reserved [ 1228.949405] syz-executor.3: page allocation stalls for 150050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1228.949412] CPU: 1 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1228.949426] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1228.949437] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1228.949447] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1228.949449] Call Trace: [ 1228.949459] [] dump_stack+0xc1/0x128 [ 1228.949467] [] warn_alloc.cold.31+0x7f/0x9c [ 1228.949476] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1228.949484] [] ? shrink_node+0x740/0x740 [ 1228.949493] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1228.949501] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1228.949511] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1228.949518] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1228.949526] [] ? find_get_entry+0x11a/0x570 [ 1228.949534] [] ? find_get_entry+0x141/0x570 [ 1228.949548] [] ? page_cache_prev_hole+0x80/0x80 [ 1228.949556] [] ? pagecache_get_page+0x131/0x710 [ 1228.949564] [] filemap_fault+0xaf1/0x1110 [ 1228.949572] [] ext4_filemap_fault+0x71/0xa0 [ 1228.949579] [] __do_fault+0x223/0x500 [ 1228.949587] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1228.949595] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1228.949603] [] handle_mm_fault+0x1326/0x2350 [ 1228.949611] [] ? vm_insert_page+0x6f0/0x6f0 [ 1228.949619] [] __do_page_fault+0x403/0xa60 [ 1228.949627] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1228.949636] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1228.949644] [] do_page_fault+0x27/0x30 [ 1228.949651] [] page_fault+0x25/0x30 [ 1228.949654] Mem-Info: [ 1228.949671] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1228.949671] active_file:22 inactive_file:48 isolated_file:0 [ 1228.949671] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1228.949671] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1228.949671] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1228.949671] free:5959 free_pcp:80 free_cma:0 [ 1228.949685] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1228.949705] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1228.949733] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1228.949792] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1228.949843] 0 pages in swap cache [ 1228.949847] Swap cache stats: add 0, delete 0, find 0/0 [ 1228.949850] Free swap = 0kB [ 1228.949852] Total swap = 0kB [ 1228.949854] 1965979 pages RAM [ 1228.949857] 0 pages HighMem/MovableOnly [ 1228.949859] 313617 pages reserved [ 1228.978823] syz-execprog: page allocation stalls for 150010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1228.978832] CPU: 0 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1228.978848] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1228.978859] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1228.978870] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1228.978872] Call Trace: [ 1228.978887] [] dump_stack+0xc1/0x128 [ 1228.978898] [] warn_alloc.cold.31+0x7f/0x9c ** 182 printk messages dropped ** [ 1229.630305] lowmem_reserve[]: 0 3505 3505 [ 1229.630325] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB ** 134 printk messages dropped ** [ 1238.890325] [] ? ___preempt_schedule+0x16/0x18 [ 1238.890334] [] kthread+0x26d/0x300 ** 48 printk messages dropped ** [ 1238.899331] [] ? vm_insert_page+0x6f0/0x6f0 [ 1238.899340] [] ? selinux_file_permission+0x82/0x470 [ 1238.899350] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1238.899360] [] __do_page_fault+0x403/0xa60 [ 1238.899369] [] ? bad_area_access_error+0x3a0/0x3a0 ** 45 printk messages dropped ** [ 1238.913535] [] ? ep_poll+0x18f/0xb20 [ 1238.913543] [] ? vm_insert_page+0x6f0/0x6f0 [ 1238.913550] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1238.913560] [] __do_page_fault+0x403/0xa60 [ 1238.913570] [] ? __fget_light+0x169/0x1f0 [ 1238.913578] [] ? bad_area_access_error+0x3a0/0x3a0 ** 1 printk messages dropped ** [ 1238.913596] [] do_page_fault+0x27/0x30 [ 1238.913605] [] page_fault+0x25/0x30 [ 1238.913609] Mem-Info: [ 1238.913628] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1238.913628] active_file:22 inactive_file:48 isolated_file:0 [ 1238.913628] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1238.913628] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1238.913628] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1238.913628] free:5959 free_pcp:80 free_cma:0 [ 1238.913643] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1238.913664] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1238.913693] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1238.913755] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1238.913809] 0 pages in swap cache [ 1238.913813] Swap cache stats: add 0, delete 0, find 0/0 [ 1238.913816] Free swap = 0kB [ 1238.913818] Total swap = 0kB [ 1238.913821] 1965979 pages RAM [ 1238.913823] 0 pages HighMem/MovableOnly [ 1238.913825] 313617 pages reserved [ 1238.920044] syz-execprog: page allocation stalls for 160020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1238.920053] CPU: 1 PID: 2235 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1238.920070] ffff8801c966f7c0 ffffffff81b42e79 1ffff100392cdefa ffff8801cdc15f00 [ 1238.920082] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c966f908 [ 1238.920092] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1238.920095] Call Trace: [ 1238.920110] [] dump_stack+0xc1/0x128 [ 1238.920120] [] warn_alloc.cold.31+0x7f/0x9c [ 1238.920131] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1238.920140] [] ? shrink_node+0x740/0x740 [ 1238.920150] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1238.920159] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1238.920169] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1238.920178] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1238.920186] [] ? find_get_entry+0x11a/0x570 [ 1238.920194] [] ? find_get_entry+0x141/0x570 [ 1238.920201] [] ? page_cache_prev_hole+0x80/0x80 [ 1238.920210] [] ? autoremove_wake_function+0x40/0x40 [ 1238.920218] [] ? pagecache_get_page+0x131/0x710 [ 1238.920227] [] filemap_fault+0xaf1/0x1110 [ 1238.920236] [] ext4_filemap_fault+0x71/0xa0 [ 1238.920244] [] __do_fault+0x223/0x500 [ 1238.920252] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1238.920260] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1238.920269] [] handle_mm_fault+0x1326/0x2350 [ 1238.920277] [] ? vm_insert_page+0x6f0/0x6f0 [ 1238.920287] [] ? selinux_file_permission+0x82/0x470 [ 1238.920298] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1238.920306] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1238.920316] [] __do_page_fault+0x403/0xa60 [ 1238.920324] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1238.920335] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1238.920343] [] do_page_fault+0x27/0x30 [ 1238.920352] [] page_fault+0x25/0x30 [ 1238.920355] Mem-Info: [ 1238.920374] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1238.920374] active_file:22 inactive_file:48 isolated_file:0 [ 1238.920374] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1238.920374] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1238.920374] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1238.920374] free:5959 free_pcp:80 free_cma:0 [ 1238.920389] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1238.920411] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1238.920440] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1238.920502] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1238.920565] 0 pages in swap cache [ 1238.920569] Swap cache stats: add 0, delete 0, find 0/0 [ 1238.920572] Free swap = 0kB [ 1238.920574] Total swap = 0kB [ 1238.920577] 1965979 pages RAM [ 1238.920579] 0 pages HighMem/MovableOnly [ 1238.920582] 313617 pages reserved [ 1238.928374] syz-executor.3: page allocation stalls for 160030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1238.928384] CPU: 0 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1238.928401] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1238.928412] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1238.928424] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1238.928426] Call Trace: [ 1238.928441] [] dump_stack+0xc1/0x128 [ 1238.928451] [] warn_alloc.cold.31+0x7f/0x9c [ 1238.928462] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1238.928472] [] ? shrink_node+0x740/0x740 [ 1238.928482] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1238.928490] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1238.928500] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1238.928509] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1238.928517] [] ? find_get_entry+0x11a/0x570 [ 1238.928525] [] ? find_get_entry+0x141/0x570 [ 1238.928533] [] ? page_cache_prev_hole+0x80/0x80 [ 1238.928540] [] ? pagecache_get_page+0x131/0x710 [ 1238.928549] [] filemap_fault+0xaf1/0x1110 [ 1238.928559] [] ext4_filemap_fault+0x71/0xa0 [ 1238.928567] [] __do_fault+0x223/0x500 [ 1238.928574] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1238.928583] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1238.928591] [] handle_mm_fault+0x1326/0x2350 [ 1238.928599] [] ? vm_insert_page+0x6f0/0x6f0 [ 1238.928610] [] __do_page_fault+0x403/0xa60 [ 1238.928618] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1238.928629] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1238.928637] [] do_page_fault+0x27/0x30 [ 1238.928646] [] page_fault+0x25/0x30 [ 1238.928650] Mem-Info: [ 1238.928668] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1238.928668] active_file:22 inactive_file:48 isolated_file:0 [ 1238.928668] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1238.928668] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1238.928668] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1238.928668] free:5959 free_pcp:80 free_cma:0 [ 1238.928683] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1238.928704] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1238.928732] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1238.928793] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1238.928848] 0 pages in swap cache [ 1238.928852] Swap cache stats: add 0, delete 0, find 0/0 [ 1238.928855] Free swap = 0kB [ 1238.928857] Total swap = 0kB [ 1238.928859] 1965979 pages RAM [ 1238.928862] 0 pages HighMem/MovableOnly [ 1238.928864] 313617 pages reserved [ 1238.981223] syz-execprog: page allocation stalls for 160010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1238.981233] CPU: 1 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1238.981251] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1238.981263] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1238.981274] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1238.981276] Call Trace: [ 1238.981293] [] dump_stack+0xc1/0x128 [ 1238.981312] [] warn_alloc.cold.31+0x7f/0x9c [ 1238.981323] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1238.981333] [] ? shrink_node+0x740/0x740 [ 1238.981342] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1238.981351] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1238.981361] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1238.981370] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1238.981378] [] ? find_get_entry+0x11a/0x570 [ 1238.981385] [] ? find_get_entry+0x141/0x570 [ 1238.981393] [] ? page_cache_prev_hole+0x80/0x80 [ 1238.981403] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 1238.981411] [] ? pagecache_get_page+0x131/0x710 [ 1238.981419] [] filemap_fault+0xaf1/0x1110 [ 1238.981429] [] ext4_filemap_fault+0x71/0xa0 [ 1238.981437] [] __do_fault+0x223/0x500 [ 1238.981444] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1238.981453] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1238.981461] [] handle_mm_fault+0x1326/0x2350 [ 1238.981469] [] ? vm_insert_page+0x6f0/0x6f0 [ 1238.981479] [] ? kvm_clock_read+0x23/0x40 [ 1238.981487] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1238.981497] [] __do_page_fault+0x403/0xa60 ** 10 printk messages dropped ** [ 1238.981637] lowmem_reserve[]: 0 0 0 ** 100 printk messages dropped ** [ 1239.280332] lowmem_reserve[]: 0 0 0 ** 119 printk messages dropped ** [ 1248.900427] 119 total pagecache pages [ 1248.900430] 0 pages in swap cache ** 71 printk messages dropped ** [ 1248.910351] [] ? kthread_park+0xa0/0xa0 [ 1248.910358] [] ret_from_fork+0x5c/0x70 [ 1248.910361] Mem-Info: [ 1248.910378] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1248.910378] active_file:22 inactive_file:48 isolated_file:0 [ 1248.910378] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1248.910378] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1248.910378] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1248.910378] free:5959 free_pcp:80 free_cma:0 ** 46 printk messages dropped ** [ 1248.918336] [] page_fault+0x25/0x30 [ 1248.918339] Mem-Info: [ 1248.918356] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1248.918356] active_file:22 inactive_file:48 isolated_file:0 [ 1248.918356] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1248.918356] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1248.918356] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1248.918356] free:5959 free_pcp:80 free_cma:0 ** 47 printk messages dropped ** [ 1248.953249] [] do_page_fault+0x27/0x30 [ 1248.953257] [] page_fault+0x25/0x30 [ 1248.953261] Mem-Info: [ 1248.953279] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1248.953279] active_file:22 inactive_file:48 isolated_file:0 [ 1248.953279] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1248.953279] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1248.953279] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1248.953279] free:5959 free_pcp:80 free_cma:0 ** 1 printk messages dropped ** [ 1248.953313] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1248.953340] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1248.953409] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1248.953459] 0 pages in swap cache [ 1248.953463] Swap cache stats: add 0, delete 0, find 0/0 [ 1248.953465] Free swap = 0kB [ 1248.953467] Total swap = 0kB [ 1248.953470] 1965979 pages RAM [ 1248.953472] 0 pages HighMem/MovableOnly [ 1248.953474] 313617 pages reserved [ 1248.959588] syz-execprog: page allocation stalls for 170060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1248.959595] CPU: 1 PID: 2235 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1248.959607] ffff8801c966f7c0 ffffffff81b42e79 1ffff100392cdefa ffff8801cdc15f00 [ 1248.959617] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c966f908 [ 1248.959627] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1248.959629] Call Trace: [ 1248.959639] [] dump_stack+0xc1/0x128 [ 1248.959647] [] warn_alloc.cold.31+0x7f/0x9c [ 1248.959655] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1248.959663] [] ? shrink_node+0x740/0x740 [ 1248.959672] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1248.959679] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1248.959688] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1248.959695] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1248.959702] [] ? find_get_entry+0x11a/0x570 [ 1248.959710] [] ? find_get_entry+0x141/0x570 [ 1248.959717] [] ? page_cache_prev_hole+0x80/0x80 [ 1248.959724] [] ? autoremove_wake_function+0x40/0x40 [ 1248.959732] [] ? pagecache_get_page+0x131/0x710 [ 1248.959739] [] filemap_fault+0xaf1/0x1110 [ 1248.959747] [] ext4_filemap_fault+0x71/0xa0 [ 1248.959753] [] __do_fault+0x223/0x500 [ 1248.959760] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1248.959768] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1248.959775] [] handle_mm_fault+0x1326/0x2350 [ 1248.959783] [] ? vm_insert_page+0x6f0/0x6f0 [ 1248.959791] [] ? selinux_file_permission+0x82/0x470 [ 1248.959800] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1248.959807] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1248.959815] [] __do_page_fault+0x403/0xa60 [ 1248.959823] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1248.959831] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1248.959839] [] do_page_fault+0x27/0x30 [ 1248.959846] [] page_fault+0x25/0x30 [ 1248.959849] Mem-Info: [ 1248.959865] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1248.959865] active_file:22 inactive_file:48 isolated_file:0 [ 1248.959865] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1248.959865] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1248.959865] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1248.959865] free:5959 free_pcp:80 free_cma:0 [ 1248.959878] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1248.959897] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1248.959923] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1248.959977] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1248.960024] 0 pages in swap cache [ 1248.960028] Swap cache stats: add 0, delete 0, find 0/0 [ 1248.960031] Free swap = 0kB [ 1248.960033] Total swap = 0kB [ 1248.960036] 1965979 pages RAM [ 1248.960038] 0 pages HighMem/MovableOnly [ 1248.960039] 313617 pages reserved [ 1248.979788] syz-executor.3: page allocation stalls for 170080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1248.979797] CPU: 0 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1248.979812] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1248.979823] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1248.979834] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1248.979836] Call Trace: [ 1248.979849] [] dump_stack+0xc1/0x128 [ 1248.979859] [] warn_alloc.cold.31+0x7f/0x9c [ 1248.979868] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1248.979877] [] ? shrink_node+0x740/0x740 [ 1248.979886] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1248.979894] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1248.979904] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1248.979913] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1248.979921] [] ? find_get_entry+0x11a/0x570 [ 1248.979928] [] ? find_get_entry+0x141/0x570 [ 1248.979935] [] ? page_cache_prev_hole+0x80/0x80 [ 1248.979943] [] ? pagecache_get_page+0x131/0x710 [ 1248.979951] [] filemap_fault+0xaf1/0x1110 [ 1248.979961] [] ext4_filemap_fault+0x71/0xa0 [ 1248.979968] [] __do_fault+0x223/0x500 [ 1248.979975] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1248.979984] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1248.979991] [] handle_mm_fault+0x1326/0x2350 [ 1248.979999] [] ? vm_insert_page+0x6f0/0x6f0 [ 1248.980009] [] __do_page_fault+0x403/0xa60 [ 1248.980017] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1248.980027] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1248.980034] [] do_page_fault+0x27/0x30 [ 1248.980049] [] page_fault+0x25/0x30 [ 1248.980053] Mem-Info: [ 1248.980071] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1248.980071] active_file:22 inactive_file:48 isolated_file:0 [ 1248.980071] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1248.980071] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1248.980071] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1248.980071] free:5959 free_pcp:80 free_cma:0 [ 1248.980085] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1248.980105] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1248.980133] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1248.980193] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1248.980245] 0 pages in swap cache [ 1248.980249] Swap cache stats: add 0, delete 0, find 0/0 [ 1248.980251] Free swap = 0kB [ 1248.980253] Total swap = 0kB [ 1248.980256] 1965979 pages RAM [ 1248.980258] 0 pages HighMem/MovableOnly [ 1248.980260] 313617 pages reserved [ 1248.989441] udevd: page allocation stalls for 110010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1248.989448] CPU: 0 PID: 591 Comm: udevd Not tainted 4.9.141+ #1 [ 1248.989462] ffff8801d0b777c0 ffffffff81b42e79 1ffff1003a16eefa ffff8801d0a9c740 [ 1248.989473] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d0b77908 [ 1248.989484] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1248.989485] Call Trace: [ 1248.989496] [] dump_stack+0xc1/0x128 [ 1248.989504] [] warn_alloc.cold.31+0x7f/0x9c [ 1248.989513] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1248.989521] [] ? shrink_node+0x740/0x740 [ 1248.989530] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1248.989537] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1248.989546] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1248.989554] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1248.989562] [] ? find_get_entry+0x11a/0x570 [ 1248.989569] [] ? find_get_entry+0x141/0x570 [ 1248.989576] [] ? page_cache_prev_hole+0x80/0x80 [ 1248.989584] [] ? pagecache_get_page+0x131/0x710 [ 1248.989592] [] filemap_fault+0xaf1/0x1110 [ 1248.989600] [] ext4_filemap_fault+0x71/0xa0 [ 1248.989607] [] __do_fault+0x223/0x500 [ 1248.989614] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1248.989623] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1248.989631] [] handle_mm_fault+0x1326/0x2350 [ 1248.989640] [] ? ep_poll+0x18f/0xb20 [ 1248.989647] [] ? vm_insert_page+0x6f0/0x6f0 [ 1248.989655] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 1248.989663] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1248.989672] [] __do_page_fault+0x403/0xa60 [ 1248.989680] [] ? __fget_light+0x169/0x1f0 [ 1248.989688] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1248.989698] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 187 printk messages dropped ** [ 1258.876692] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1258.876692] to free 120kB on behalf of 'syz-execprog' (2235) because [ 1258.876692] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1258.876692] Free memory is -13668kB above reserved ** 109 printk messages dropped ** [ 1258.900320] [] worker_thread+0xd6/0x1140 [ 1258.900330] [] ? ___preempt_schedule+0x16/0x18 ** 48 printk messages dropped ** [ 1258.922840] [] handle_mm_fault+0x1326/0x2350 [ 1258.922847] [] ? vm_insert_page+0x6f0/0x6f0 [ 1258.922856] [] ? selinux_file_permission+0x82/0x470 [ 1258.922866] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1258.922876] [] __do_page_fault+0x403/0xa60 ** 45 printk messages dropped ** [ 1258.940694] [] handle_mm_fault+0x1326/0x2350 [ 1258.940703] [] ? ep_poll+0x18f/0xb20 [ 1258.940711] [] ? vm_insert_page+0x6f0/0x6f0 [ 1258.940719] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1258.940729] [] __do_page_fault+0x403/0xa60 [ 1258.940737] [] ? __fget_light+0x169/0x1f0 [ 1258.940746] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1258.940757] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1258.940764] [] do_page_fault+0x27/0x30 [ 1258.940773] [] page_fault+0x25/0x30 [ 1258.940777] Mem-Info: [ 1258.940795] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1258.940795] active_file:22 inactive_file:48 isolated_file:0 [ 1258.940795] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1258.940795] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1258.940795] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1258.940795] free:5959 free_pcp:80 free_cma:0 [ 1258.940810] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1258.940831] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1258.940860] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1258.940921] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1258.940975] 0 pages in swap cache [ 1258.940979] Swap cache stats: add 0, delete 0, find 0/0 [ 1258.940981] Free swap = 0kB [ 1258.940984] Total swap = 0kB [ 1258.940986] 1965979 pages RAM [ 1258.940989] 0 pages HighMem/MovableOnly [ 1258.940991] 313617 pages reserved [ 1258.959614] syz-execprog: page allocation stalls for 180060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1258.959624] CPU: 1 PID: 2235 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1258.959640] ffff8801c966f7c0 ffffffff81b42e79 1ffff100392cdefa ffff8801cdc15f00 [ 1258.959652] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c966f908 [ 1258.959662] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1258.959664] Call Trace: [ 1258.959679] [] dump_stack+0xc1/0x128 [ 1258.959689] [] warn_alloc.cold.31+0x7f/0x9c [ 1258.959700] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1258.959709] [] ? shrink_node+0x740/0x740 [ 1258.959719] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1258.959728] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1258.959737] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1258.959746] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1258.959754] [] ? find_get_entry+0x11a/0x570 [ 1258.959762] [] ? find_get_entry+0x141/0x570 [ 1258.959770] [] ? page_cache_prev_hole+0x80/0x80 [ 1258.959779] [] ? autoremove_wake_function+0x40/0x40 [ 1258.959787] [] ? pagecache_get_page+0x131/0x710 [ 1258.959795] [] filemap_fault+0xaf1/0x1110 [ 1258.959805] [] ext4_filemap_fault+0x71/0xa0 [ 1258.959813] [] __do_fault+0x223/0x500 [ 1258.959820] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1258.959829] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1258.959838] [] handle_mm_fault+0x1326/0x2350 [ 1258.959846] [] ? vm_insert_page+0x6f0/0x6f0 [ 1258.959855] [] ? selinux_file_permission+0x82/0x470 [ 1258.959865] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1258.959873] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1258.959883] [] __do_page_fault+0x403/0xa60 [ 1258.959892] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1258.959902] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1258.959910] [] do_page_fault+0x27/0x30 [ 1258.959918] [] page_fault+0x25/0x30 [ 1258.959922] Mem-Info: [ 1258.959941] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1258.959941] active_file:22 inactive_file:48 isolated_file:0 [ 1258.959941] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1258.959941] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1258.959941] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1258.959941] free:5959 free_pcp:80 free_cma:0 [ 1258.959956] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1258.959977] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1258.960006] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1258.960068] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1258.960122] 0 pages in swap cache [ 1258.960126] Swap cache stats: add 0, delete 0, find 0/0 [ 1258.960129] Free swap = 0kB [ 1258.960131] Total swap = 0kB [ 1258.960133] 1965979 pages RAM [ 1258.960136] 0 pages HighMem/MovableOnly [ 1258.960138] 313617 pages reserved [ 1258.979817] syz-executor.3: page allocation stalls for 180080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1258.979826] CPU: 1 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1258.979841] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1258.979852] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1258.979862] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1258.979864] Call Trace: [ 1258.979879] [] dump_stack+0xc1/0x128 [ 1258.979889] [] warn_alloc.cold.31+0x7f/0x9c [ 1258.979899] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1258.979908] [] ? shrink_node+0x740/0x740 [ 1258.979917] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1258.979925] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1258.979935] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1258.979943] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1258.979951] [] ? find_get_entry+0x11a/0x570 [ 1258.979969] [] ? find_get_entry+0x141/0x570 [ 1258.979976] [] ? page_cache_prev_hole+0x80/0x80 [ 1258.979984] [] ? pagecache_get_page+0x131/0x710 [ 1258.979991] [] filemap_fault+0xaf1/0x1110 [ 1258.980000] [] ext4_filemap_fault+0x71/0xa0 [ 1258.980007] [] __do_fault+0x223/0x500 [ 1258.980013] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1258.980020] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1258.980027] [] handle_mm_fault+0x1326/0x2350 [ 1258.980034] [] ? vm_insert_page+0x6f0/0x6f0 [ 1258.980043] [] __do_page_fault+0x403/0xa60 [ 1258.980050] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1258.980060] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1258.980067] [] do_page_fault+0x27/0x30 [ 1258.980075] [] page_fault+0x25/0x30 [ 1258.980079] Mem-Info: [ 1258.980097] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1258.980097] active_file:22 inactive_file:48 isolated_file:0 [ 1258.980097] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1258.980097] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1258.980097] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1258.980097] free:5959 free_pcp:80 free_cma:0 [ 1258.980110] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1258.980129] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1258.980156] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1258.980212] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1258.980260] 0 pages in swap cache [ 1258.980264] Swap cache stats: add 0, delete 0, find 0/0 [ 1258.980266] Free swap = 0kB [ 1258.980269] Total swap = 0kB [ 1258.980271] 1965979 pages RAM [ 1258.980273] 0 pages HighMem/MovableOnly [ 1258.980275] 313617 pages reserved [ 1259.039073] udevd: page allocation stalls for 120060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1259.039082] CPU: 0 PID: 591 Comm: udevd Not tainted 4.9.141+ #1 [ 1259.039098] ffff8801d0b777c0 ffffffff81b42e79 1ffff1003a16eefa ffff8801d0a9c740 [ 1259.039109] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d0b77908 [ 1259.039120] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1259.039122] Call Trace: [ 1259.039137] [] dump_stack+0xc1/0x128 [ 1259.039147] [] warn_alloc.cold.31+0x7f/0x9c [ 1259.039158] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1259.039167] [] ? shrink_node+0x740/0x740 [ 1259.039176] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1259.039184] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1259.039194] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1259.039203] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1259.039210] [] ? find_get_entry+0x11a/0x570 [ 1259.039218] [] ? find_get_entry+0x141/0x570 [ 1259.039225] [] ? page_cache_prev_hole+0x80/0x80 [ 1259.039233] [] ? pagecache_get_page+0x131/0x710 [ 1259.039241] [] filemap_fault+0xaf1/0x1110 [ 1259.039250] [] ext4_filemap_fault+0x71/0xa0 [ 1259.039258] [] __do_fault+0x223/0x500 [ 1259.039265] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1259.039274] [] ? generic_file_readonly_mmap+0x190/0x190 ** 165 printk messages dropped ** [ 1259.619885] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ** 129 printk messages dropped ** [ 1268.909246] [] ? trace_hardirqs_on+0x10/0x10 ** 52 printk messages dropped ** [ 1268.923526] [] ext4_filemap_fault+0x71/0xa0 [ 1268.923533] [] __do_fault+0x223/0x500 [ 1268.923540] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1268.923549] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1268.923557] [] handle_mm_fault+0x1326/0x2350 [ 1268.923564] [] ? vm_insert_page+0x6f0/0x6f0 [ 1268.923574] [] ? selinux_file_permission+0x82/0x470 ** 44 printk messages dropped ** [ 1268.929199] [] ext4_filemap_fault+0x71/0xa0 [ 1268.929206] [] __do_fault+0x223/0x500 [ 1268.929214] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1268.929222] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1268.929231] [] handle_mm_fault+0x1326/0x2350 [ 1268.929238] [] ? vm_insert_page+0x6f0/0x6f0 [ 1268.929246] [] ? selinux_file_permission+0x82/0x470 [ 1268.929256] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1268.929265] [] __do_page_fault+0x403/0xa60 [ 1268.929273] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1268.929284] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1268.929292] [] do_page_fault+0x27/0x30 [ 1268.929300] [] page_fault+0x25/0x30 [ 1268.929303] Mem-Info: [ 1268.929321] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1268.929321] active_file:22 inactive_file:48 isolated_file:0 [ 1268.929321] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1268.929321] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1268.929321] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1268.929321] free:5959 free_pcp:80 free_cma:0 [ 1268.929335] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1268.929355] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1268.929384] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1268.929443] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1268.929495] 0 pages in swap cache [ 1268.929499] Swap cache stats: add 0, delete 0, find 0/0 [ 1268.929501] Free swap = 0kB [ 1268.929504] Total swap = 0kB [ 1268.929506] 1965979 pages RAM [ 1268.929508] 0 pages HighMem/MovableOnly [ 1268.929511] 313617 pages reserved [ 1268.959218] syz-execprog: page allocation stalls for 190060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1268.959227] CPU: 1 PID: 2223 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1268.959242] ffff8801c99bf7c0 ffffffff81b42e79 1ffff10039337efa ffff8801c9852f80 [ 1268.959252] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c99bf908 [ 1268.959262] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1268.959264] Call Trace: [ 1268.959279] [] dump_stack+0xc1/0x128 [ 1268.959288] [] warn_alloc.cold.31+0x7f/0x9c [ 1268.959298] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1268.959307] [] ? shrink_node+0x740/0x740 [ 1268.959316] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1268.959325] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1268.959334] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1268.959342] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1268.959349] [] ? find_get_entry+0x11a/0x570 [ 1268.959357] [] ? find_get_entry+0x141/0x570 [ 1268.959364] [] ? page_cache_prev_hole+0x80/0x80 [ 1268.959372] [] ? autoremove_wake_function+0x40/0x40 [ 1268.959380] [] ? pagecache_get_page+0x131/0x710 [ 1268.959388] [] filemap_fault+0xaf1/0x1110 [ 1268.959397] [] ext4_filemap_fault+0x71/0xa0 [ 1268.959404] [] __do_fault+0x223/0x500 [ 1268.959410] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1268.959418] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1268.959424] [] handle_mm_fault+0x1326/0x2350 [ 1268.959431] [] ? ep_poll+0x18f/0xb20 [ 1268.959438] [] ? vm_insert_page+0x6f0/0x6f0 [ 1268.959445] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1268.959453] [] __do_page_fault+0x403/0xa60 [ 1268.959462] [] ? __fget_light+0x169/0x1f0 [ 1268.959470] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1268.959480] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1268.959487] [] do_page_fault+0x27/0x30 [ 1268.959496] [] page_fault+0x25/0x30 [ 1268.959500] Mem-Info: [ 1268.959518] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1268.959518] active_file:22 inactive_file:48 isolated_file:0 [ 1268.959518] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1268.959518] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1268.959518] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1268.959518] free:5959 free_pcp:80 free_cma:0 [ 1268.959540] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1268.959560] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1268.959589] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1268.959649] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1268.959701] 0 pages in swap cache [ 1268.959706] Swap cache stats: add 0, delete 0, find 0/0 [ 1268.959708] Free swap = 0kB [ 1268.959710] Total swap = 0kB [ 1268.959713] 1965979 pages RAM [ 1268.959715] 0 pages HighMem/MovableOnly [ 1268.959717] 313617 pages reserved [ 1268.988646] syz-executor.3: page allocation stalls for 190090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1268.988656] CPU: 0 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1268.988673] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1268.988683] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1268.988694] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1268.988696] Call Trace: [ 1268.988711] [] dump_stack+0xc1/0x128 [ 1268.988721] [] warn_alloc.cold.31+0x7f/0x9c [ 1268.988731] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1268.988740] [] ? shrink_node+0x740/0x740 [ 1268.988750] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1268.988758] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1268.988768] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1268.988776] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1268.988784] [] ? find_get_entry+0x11a/0x570 [ 1268.988792] [] ? find_get_entry+0x141/0x570 [ 1268.988799] [] ? page_cache_prev_hole+0x80/0x80 [ 1268.988807] [] ? pagecache_get_page+0x131/0x710 [ 1268.988815] [] filemap_fault+0xaf1/0x1110 [ 1268.988824] [] ext4_filemap_fault+0x71/0xa0 [ 1268.988831] [] __do_fault+0x223/0x500 [ 1268.988839] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1268.988847] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1268.988855] [] handle_mm_fault+0x1326/0x2350 [ 1268.988863] [] ? vm_insert_page+0x6f0/0x6f0 [ 1268.988873] [] __do_page_fault+0x403/0xa60 [ 1268.988880] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1268.988891] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1268.988898] [] do_page_fault+0x27/0x30 [ 1268.988907] [] page_fault+0x25/0x30 [ 1268.988910] Mem-Info: [ 1268.988929] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1268.988929] active_file:22 inactive_file:48 isolated_file:0 [ 1268.988929] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1268.988929] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1268.988929] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1268.988929] free:5959 free_pcp:80 free_cma:0 [ 1268.988943] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1268.988962] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1268.988990] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1268.989058] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1268.989109] 0 pages in swap cache [ 1268.989114] Swap cache stats: add 0, delete 0, find 0/0 [ 1268.989116] Free swap = 0kB [ 1268.989118] Total swap = 0kB [ 1268.989121] 1965979 pages RAM [ 1268.989123] 0 pages HighMem/MovableOnly [ 1268.989125] 313617 pages reserved [ 1269.010940] syz-execprog: page allocation stalls for 190040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1269.010950] CPU: 1 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1269.010966] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1269.010978] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1269.010989] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1269.010991] Call Trace: [ 1269.011006] [] dump_stack+0xc1/0x128 [ 1269.011016] [] warn_alloc.cold.31+0x7f/0x9c [ 1269.011026] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1269.011035] [] ? shrink_node+0x740/0x740 [ 1269.011045] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1269.011054] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1269.011064] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1269.011072] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1269.011080] [] ? find_get_entry+0x11a/0x570 [ 1269.011088] [] ? find_get_entry+0x141/0x570 [ 1269.011096] [] ? page_cache_prev_hole+0x80/0x80 [ 1269.011105] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 1269.011114] [] ? pagecache_get_page+0x131/0x710 [ 1269.011122] [] filemap_fault+0xaf1/0x1110 [ 1269.011131] [] ext4_filemap_fault+0x71/0xa0 [ 1269.011139] [] __do_fault+0x223/0x500 [ 1269.011147] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1269.011155] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1269.011164] [] handle_mm_fault+0x1326/0x2350 ** 192 printk messages dropped ** [ 1277.116665] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1277.116665] to free 120kB on behalf of 'syz-execprog' (2223) because [ 1277.116665] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1277.116665] Free memory is -13668kB above reserved ** 121 printk messages dropped ** [ 1278.910331] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 50 printk messages dropped ** [ 1278.920273] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1278.920294] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ** 49 printk messages dropped ** [ 1278.937242] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1278.937272] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1278.937334] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1278.937388] 0 pages in swap cache [ 1278.937393] Swap cache stats: add 0, delete 0, find 0/0 [ 1278.937395] Free swap = 0kB [ 1278.937397] Total swap = 0kB [ 1278.937400] 1965979 pages RAM [ 1278.937402] 0 pages HighMem/MovableOnly [ 1278.937405] 313617 pages reserved [ 1278.954631] syz-execprog: page allocation stalls for 200050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1278.954644] CPU: 0 PID: 2235 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1278.954665] ffff8801c966f7c0 ffffffff81b42e79 1ffff100392cdefa ffff8801cdc15f00 [ 1278.954676] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c966f908 [ 1278.954687] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1278.954690] Call Trace: [ 1278.954713] [] dump_stack+0xc1/0x128 [ 1278.954725] [] warn_alloc.cold.31+0x7f/0x9c [ 1278.954736] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1278.954746] [] ? shrink_node+0x740/0x740 [ 1278.954756] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1278.954766] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1278.954776] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1278.954786] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1278.954795] [] ? find_get_entry+0x11a/0x570 [ 1278.954803] [] ? find_get_entry+0x141/0x570 [ 1278.954810] [] ? page_cache_prev_hole+0x80/0x80 [ 1278.954820] [] ? autoremove_wake_function+0x40/0x40 [ 1278.954828] [] ? pagecache_get_page+0x131/0x710 [ 1278.954836] [] filemap_fault+0xaf1/0x1110 [ 1278.954846] [] ext4_filemap_fault+0x71/0xa0 [ 1278.954854] [] __do_fault+0x223/0x500 [ 1278.954862] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1278.954870] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1278.954879] [] handle_mm_fault+0x1326/0x2350 [ 1278.954887] [] ? vm_insert_page+0x6f0/0x6f0 [ 1278.954897] [] ? selinux_file_permission+0x82/0x470 [ 1278.954907] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1278.954915] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1278.954925] [] __do_page_fault+0x403/0xa60 [ 1278.954934] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1278.954944] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1278.954952] [] do_page_fault+0x27/0x30 [ 1278.954961] [] page_fault+0x25/0x30 [ 1278.954965] Mem-Info: [ 1278.954984] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1278.954984] active_file:22 inactive_file:48 isolated_file:0 [ 1278.954984] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1278.954984] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1278.954984] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1278.954984] free:5959 free_pcp:80 free_cma:0 [ 1278.954999] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1278.955019] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1278.955058] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1278.955120] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1278.955173] 0 pages in swap cache [ 1278.955178] Swap cache stats: add 0, delete 0, find 0/0 [ 1278.955180] Free swap = 0kB [ 1278.955183] Total swap = 0kB [ 1278.955185] 1965979 pages RAM [ 1278.955188] 0 pages HighMem/MovableOnly [ 1278.955190] 313617 pages reserved [ 1278.959997] syz-executor.3: page allocation stalls for 200060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1278.960007] CPU: 0 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1278.960024] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1278.960044] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1278.960055] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1278.960057] Call Trace: [ 1278.960077] [] dump_stack+0xc1/0x128 [ 1278.960090] [] warn_alloc.cold.31+0x7f/0x9c [ 1278.960101] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1278.960111] [] ? shrink_node+0x740/0x740 [ 1278.960121] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1278.960130] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1278.960139] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1278.960150] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1278.960158] [] ? find_get_entry+0x11a/0x570 [ 1278.960166] [] ? find_get_entry+0x141/0x570 [ 1278.960173] [] ? page_cache_prev_hole+0x80/0x80 [ 1278.960182] [] ? pagecache_get_page+0x131/0x710 [ 1278.960190] [] filemap_fault+0xaf1/0x1110 [ 1278.960200] [] ext4_filemap_fault+0x71/0xa0 [ 1278.960208] [] __do_fault+0x223/0x500 [ 1278.960215] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1278.960224] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1278.960232] [] handle_mm_fault+0x1326/0x2350 [ 1278.960240] [] ? vm_insert_page+0x6f0/0x6f0 [ 1278.960252] [] __do_page_fault+0x403/0xa60 [ 1278.960260] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1278.960272] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1278.960279] [] do_page_fault+0x27/0x30 [ 1278.960289] [] page_fault+0x25/0x30 [ 1278.960293] Mem-Info: [ 1278.960313] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1278.960313] active_file:22 inactive_file:48 isolated_file:0 [ 1278.960313] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1278.960313] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1278.960313] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1278.960313] free:5959 free_pcp:80 free_cma:0 [ 1278.960328] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1278.960349] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1278.960378] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1278.960441] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1278.960496] 0 pages in swap cache [ 1278.960501] Swap cache stats: add 0, delete 0, find 0/0 [ 1278.960503] Free swap = 0kB [ 1278.960506] Total swap = 0kB [ 1278.960508] 1965979 pages RAM [ 1278.960510] 0 pages HighMem/MovableOnly [ 1278.960513] 313617 pages reserved [ 1278.990300] syz-execprog: page allocation stalls for 200020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1278.990309] CPU: 1 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1278.990325] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1278.990335] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1278.990345] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1278.990347] Call Trace: [ 1278.990362] [] dump_stack+0xc1/0x128 [ 1278.990372] [] warn_alloc.cold.31+0x7f/0x9c [ 1278.990382] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1278.990390] [] ? shrink_node+0x740/0x740 [ 1278.990399] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1278.990408] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1278.990417] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1278.990425] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1278.990432] [] ? find_get_entry+0x11a/0x570 [ 1278.990440] [] ? find_get_entry+0x141/0x570 [ 1278.990447] [] ? page_cache_prev_hole+0x80/0x80 [ 1278.990456] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 1278.990463] [] ? pagecache_get_page+0x131/0x710 [ 1278.990470] [] filemap_fault+0xaf1/0x1110 [ 1278.990479] [] ext4_filemap_fault+0x71/0xa0 [ 1278.990486] [] __do_fault+0x223/0x500 [ 1278.990493] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1278.990501] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1278.990508] [] handle_mm_fault+0x1326/0x2350 [ 1278.990516] [] ? vm_insert_page+0x6f0/0x6f0 [ 1278.990524] [] ? kvm_clock_read+0x23/0x40 [ 1278.990538] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1278.990548] [] __do_page_fault+0x403/0xa60 [ 1278.990555] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1278.990565] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1278.990572] [] do_page_fault+0x27/0x30 [ 1278.990580] [] page_fault+0x25/0x30 [ 1278.990584] Mem-Info: [ 1278.990602] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1278.990602] active_file:22 inactive_file:48 isolated_file:0 [ 1278.990602] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1278.990602] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1278.990602] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1278.990602] free:5959 free_pcp:80 free_cma:0 ** 184 printk messages dropped ** [ 1288.889890] Workqueue: writeback wb_workfn (flush-8:0) ** 113 printk messages dropped ** [ 1288.919447] [] page_fault+0x25/0x30 [ 1288.919451] Mem-Info: [ 1288.919469] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1288.919469] active_file:22 inactive_file:48 isolated_file:0 [ 1288.919469] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1288.919469] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1288.919469] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1288.919469] free:5959 free_pcp:80 free_cma:0 ** 47 printk messages dropped ** [ 1288.957132] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 1 printk messages dropped ** [ 1288.957161] lowmem_reserve[]: 0 3505 3505 [ 1288.957181] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB ** 48 printk messages dropped ** [ 1288.958110] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1288.958138] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1288.958196] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1288.958248] 0 pages in swap cache [ 1288.958252] Swap cache stats: add 0, delete 0, find 0/0 [ 1288.958254] Free swap = 0kB [ 1288.958256] Total swap = 0kB [ 1288.958259] 1965979 pages RAM [ 1288.958261] 0 pages HighMem/MovableOnly [ 1288.958263] 313617 pages reserved [ 1288.969494] syz-execprog: page allocation stalls for 210070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1288.969503] CPU: 1 PID: 2223 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1288.969519] ffff8801c99bf7c0 ffffffff81b42e79 1ffff10039337efa ffff8801c9852f80 [ 1288.969536] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c99bf908 [ 1288.969547] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1288.969549] Call Trace: [ 1288.969563] [] dump_stack+0xc1/0x128 [ 1288.969573] [] warn_alloc.cold.31+0x7f/0x9c [ 1288.969583] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1288.969592] [] ? shrink_node+0x740/0x740 [ 1288.969601] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1288.969610] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1288.969619] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1288.969628] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1288.969635] [] ? find_get_entry+0x11a/0x570 [ 1288.969643] [] ? find_get_entry+0x141/0x570 [ 1288.969650] [] ? page_cache_prev_hole+0x80/0x80 [ 1288.969659] [] ? autoremove_wake_function+0x40/0x40 [ 1288.969667] [] ? pagecache_get_page+0x131/0x710 [ 1288.969676] [] filemap_fault+0xaf1/0x1110 [ 1288.969685] [] ext4_filemap_fault+0x71/0xa0 [ 1288.969693] [] __do_fault+0x223/0x500 [ 1288.969700] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1288.969709] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1288.969717] [] handle_mm_fault+0x1326/0x2350 [ 1288.969725] [] ? ep_poll+0x18f/0xb20 [ 1288.969733] [] ? vm_insert_page+0x6f0/0x6f0 [ 1288.969741] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1288.969751] [] __do_page_fault+0x403/0xa60 [ 1288.969759] [] ? __fget_light+0x169/0x1f0 [ 1288.969767] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1288.969778] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1288.969785] [] do_page_fault+0x27/0x30 [ 1288.969794] [] page_fault+0x25/0x30 [ 1288.969798] Mem-Info: [ 1288.969814] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1288.969814] active_file:22 inactive_file:48 isolated_file:0 [ 1288.969814] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1288.969814] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1288.969814] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1288.969814] free:5959 free_pcp:80 free_cma:0 [ 1288.969826] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1288.969844] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1288.969873] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1288.969932] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1288.969984] 0 pages in swap cache [ 1288.969988] Swap cache stats: add 0, delete 0, find 0/0 [ 1288.969991] Free swap = 0kB [ 1288.969993] Total swap = 0kB [ 1288.969995] 1965979 pages RAM [ 1288.969997] 0 pages HighMem/MovableOnly [ 1288.970000] 313617 pages reserved [ 1288.978776] syz-execprog: page allocation stalls for 210110ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1288.978784] CPU: 1 PID: 2221 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1288.978800] ffff8801c98af7c0 ffffffff81b42e79 1ffff10039315efa ffff8801ca008000 [ 1288.978810] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98af908 [ 1288.978820] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1288.978822] Call Trace: [ 1288.978836] [] dump_stack+0xc1/0x128 [ 1288.978846] [] warn_alloc.cold.31+0x7f/0x9c [ 1288.978855] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1288.978864] [] ? shrink_node+0x740/0x740 [ 1288.978872] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1288.978882] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1288.978890] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1288.978898] [] ? find_get_entry+0x11a/0x570 [ 1288.978905] [] ? find_get_entry+0x141/0x570 [ 1288.978912] [] ? page_cache_prev_hole+0x80/0x80 [ 1288.978920] [] ? trace_hardirqs_on+0x10/0x10 [ 1288.978928] [] ? pagecache_get_page+0x131/0x710 [ 1288.978935] [] filemap_fault+0xaf1/0x1110 [ 1288.978943] [] ext4_filemap_fault+0x71/0xa0 [ 1288.978950] [] __do_fault+0x223/0x500 [ 1288.978959] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1288.978967] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1288.978974] [] handle_mm_fault+0x1326/0x2350 [ 1288.978983] [] ? poll_select_set_timeout+0xb5/0x120 [ 1288.978991] [] ? vm_insert_page+0x6f0/0x6f0 [ 1288.979011] [] __do_page_fault+0x403/0xa60 [ 1288.979019] [] ? __fget_light+0x169/0x1f0 [ 1288.979026] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1288.979035] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1288.979042] [] do_page_fault+0x27/0x30 [ 1288.979050] [] page_fault+0x25/0x30 [ 1288.979054] Mem-Info: [ 1288.979071] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1288.979071] active_file:22 inactive_file:48 isolated_file:0 [ 1288.979071] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1288.979071] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1288.979071] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1288.979071] free:5959 free_pcp:80 free_cma:0 [ 1288.979084] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1288.979103] DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1288.979129] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1288.979194] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1288.979242] 0 pages in swap cache [ 1288.979246] Swap cache stats: add 0, delete 0, find 0/0 [ 1288.979248] Free swap = 0kB [ 1288.979250] Total swap = 0kB [ 1288.979252] 1965979 pages RAM [ 1288.979259] 0 pages HighMem/MovableOnly [ 1288.979261] 313617 pages reserved [ 1288.993287] udevd: page allocation stalls for 150010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1288.993296] CPU: 1 PID: 591 Comm: udevd Not tainted 4.9.141+ #1 [ 1288.993311] ffff8801d0b777c0 ffffffff81b42e79 1ffff1003a16eefa ffff8801d0a9c740 [ 1288.993321] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d0b77908 [ 1288.993331] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1288.993333] Call Trace: [ 1288.993347] [] dump_stack+0xc1/0x128 [ 1288.993356] [] warn_alloc.cold.31+0x7f/0x9c [ 1288.993366] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1288.993375] [] ? shrink_node+0x740/0x740 [ 1288.993384] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1288.993392] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1288.993402] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1288.993410] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1288.993417] [] ? find_get_entry+0x11a/0x570 [ 1288.993425] [] ? find_get_entry+0x141/0x570 [ 1288.993432] [] ? page_cache_prev_hole+0x80/0x80 [ 1288.993440] [] ? pagecache_get_page+0x131/0x710 [ 1288.993448] [] filemap_fault+0xaf1/0x1110 [ 1288.993457] [] ext4_filemap_fault+0x71/0xa0 [ 1288.993464] [] __do_fault+0x223/0x500 [ 1288.993471] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1288.993479] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1288.993487] [] handle_mm_fault+0x1326/0x2350 [ 1288.993495] [] ? ep_poll+0x18f/0xb20 [ 1288.993502] [] ? vm_insert_page+0x6f0/0x6f0 [ 1288.993510] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 1288.993517] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1288.993526] [] __do_page_fault+0x403/0xa60 [ 1288.993541] [] ? __fget_light+0x169/0x1f0 [ 1288.993548] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1288.993558] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1288.993565] [] do_page_fault+0x27/0x30 [ 1288.993573] [] page_fault+0x25/0x30 [ 1288.993576] Mem-Info: [ 1288.993599] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1288.993599] active_file:22 inactive_file:48 isolated_file:0 [ 1288.993599] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1288.993599] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1288.993599] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1288.993599] free:5959 free_pcp:80 free_cma:0 [ 1288.993613] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 193 printk messages dropped ** [ 1298.890057] [] ? save_stack_trace+0x16/0x20 ** 105 printk messages dropped ** [ 1298.909896] lowmem_reserve[]: 0 3505 3505 [ 1298.909915] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1298.909976] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB ** 47 printk messages dropped ** [ 1298.920191] lowmem_reserve[]: 0 3505 3505 [ 1298.920211] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB ** 51 printk messages dropped ** [ 1298.929095] lowmem_reserve[]: 0 0 0 [ 1298.929147] DMA32: 22*4kB (ME) 30*8kB (M) 36*16kB (ME) 28*32kB (ME) 13*64kB (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1298.929199] 0 pages in swap cache [ 1298.929204] Swap cache stats: add 0, delete 0, find 0/0 [ 1298.929206] Free swap = 0kB [ 1298.929208] Total swap = 0kB [ 1298.929211] 1965979 pages RAM [ 1298.929213] 0 pages HighMem/MovableOnly [ 1298.929215] 313617 pages reserved [ 1298.949832] blkid: page allocation stalls for 220060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1298.949841] CPU: 0 PID: 2419 Comm: blkid Not tainted 4.9.141+ #1 [ 1298.949858] ffff88010f36f7c0 ffffffff81b42e79 1ffff10021e6defa ffff8801c73aaf80 [ 1298.949868] ffffffff82a97480 0000000000000001 0000000000400000 ffff88010f36f908 [ 1298.949879] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1298.949881] Call Trace: [ 1298.949897] [] dump_stack+0xc1/0x128 [ 1298.949906] [] warn_alloc.cold.31+0x7f/0x9c [ 1298.949916] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1298.949925] [] ? shrink_node+0x740/0x740 [ 1298.949934] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1298.949942] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1298.949952] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1298.949960] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1298.949968] [] ? find_get_entry+0x11a/0x570 [ 1298.949975] [] ? find_get_entry+0x141/0x570 [ 1298.949983] [] ? page_cache_prev_hole+0x80/0x80 [ 1298.949991] [] ? touch_atime+0xdb/0x270 [ 1298.949999] syz-executor.3: [ 1298.950000] [] ? pagecache_get_page+0x131/0x710 [ 1298.950010] page allocation stalls for 220050ms, order:0 [] filemap_fault+0xaf1/0x1110 [ 1298.950014] , mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [] ext4_filemap_fault+0x71/0xa0 [ 1298.950039] [] __do_fault+0x223/0x500 [ 1298.950046] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1298.950055] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1298.950062] [] handle_mm_fault+0x1326/0x2350 [ 1298.950070] [] ? vm_insert_page+0x6f0/0x6f0 [ 1298.950079] [] ? selinux_file_permission+0x82/0x470 [ 1298.950089] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1298.950099] [] __do_page_fault+0x403/0xa60 [ 1298.950107] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1298.950118] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1298.950125] [] do_page_fault+0x27/0x30 [ 1298.950134] [] page_fault+0x25/0x30 [ 1298.950137] Mem-Info: [ 1298.950143] CPU: 1 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1298.950158] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1298.950158] active_file:22 inactive_file:48 isolated_file:0 [ 1298.950158] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1298.950158] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1298.950158] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1298.950158] free:5959 free_pcp:80 free_cma:0 [ 1298.950173] ffff8801cdb0f7c0 [ 1298.950174] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1298.950193] ffffffff81b42e79DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 1ffff10039b61efalowmem_reserve[]: [ 1298.950201] ffff8801c9570000 0 3505 ffffffff82a97480 [ 1298.950209] 3505 0000000000000001 0000000000400000Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB ffff8801cdb0f908lowmem_reserve[]: [ 1298.950238] 0 ffffffff814fc7c8 [ 1298.950242] 0 0000000041b58ab3 0 ffffffff82e37a10 ffffffff81427db0DMA32: Call Trace: [ 1298.950263] 22*4kB [] dump_stack+0xc1/0x128 [ 1298.950271] (ME) [] warn_alloc.cold.31+0x7f/0x9c [ 1298.950281] 30*8kB [] ? zone_watermark_ok_safe+0x250/0x250 [ 1298.950290] (M) [] ? shrink_node+0x740/0x740 [ 1298.950300] 36*16kB [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1298.950308] (ME) [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1298.950318] 28*32kB [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1298.950327] (ME) [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1298.950336] 13*64kB [] ? find_get_entry+0x11a/0x570 [ 1298.950344] (ME) [] ? find_get_entry+0x141/0x570 [ 1298.950353] 7*128kB [] ? page_cache_prev_hole+0x80/0x80 [ 1298.950361] (UM) [] ? pagecache_get_page+0x131/0x710 [ 1298.950371] 5*256kB [] filemap_fault+0xaf1/0x1110 [ 1298.950379] (ME) [] ext4_filemap_fault+0x71/0xa0 [ 1298.950387] 3*512kB [] __do_fault+0x223/0x500 [ 1298.950395] (UE) [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1298.950405] 4*1024kB [] ? generic_file_readonly_mmap+0x190/0x190 [ 1298.950413] (UE) [] handle_mm_fault+0x1326/0x2350 [ 1298.950422] 4*2048kB [] ? vm_insert_page+0x6f0/0x6f0 [ 1298.950433] (UM) 0*4096kB [] __do_page_fault+0x403/0xa60 [ 1298.950435] = 18632kB [] ? bad_area_access_error+0x3a0/0x3a0 [ 1298.950452] Normal: [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1298.950460] 197*4kB [] do_page_fault+0x27/0x30 [ 1298.950468] (MEH) [] page_fault+0x25/0x30 [ 1298.950472] 74*8kB Mem-Info: [ 1298.950488] (UMH) active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1298.950489] active_file:22 inactive_file:48 isolated_file:0 [ 1298.950489] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1298.950489] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1298.950489] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1298.950489] free:5959 free_pcp:80 free_cma:0 [ 1298.950504] 41*16kB Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1298.950523] (UM) DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 21*32kB lowmem_reserve[]: [ 1298.950538] (UMH) 07*64kB 3505(H) 35058*128kB (H) Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB 2*256kB lowmem_reserve[]: [ 1298.950575] (H) 01*512kB 0(H) 00*1024kB 0*2048kB DMA32: 0*4096kB 22*4kB = 5204kB (ME) 119 total pagecache pages [ 1298.950604] 30*8kB 0 pages in swap cache [ 1298.950610] (M) Swap cache stats: add 0, delete 0, find 0/0 [ 1298.950614] 36*16kB Free swap = 0kB [ 1298.950617] (ME) Total swap = 0kB [ 1298.950622] 28*32kB 1965979 pages RAM [ 1298.950625] (ME) 0 pages HighMem/MovableOnly [ 1298.950629] 13*64kB 313617 pages reserved [ 1298.950656] (ME) 7*128kB (UM) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18632kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1298.950706] 0 pages in swap cache [ 1298.950710] Swap cache stats: add 0, delete 0, find 0/0 [ 1298.950713] Free swap = 0kB [ 1298.950715] Total swap = 0kB [ 1298.950717] 1965979 pages RAM [ 1298.950720] 0 pages HighMem/MovableOnly [ 1298.950722] 313617 pages reserved [ 1298.986845] syz-execprog: page allocation stalls for 220020ms, order:0 [ 1298.986850] udevd: [ 1298.986851] , mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) page allocation stalls for 160010ms, order:0[ 1298.986861] CPU: 1 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1298.986865] , mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1298.986889] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1298.986900] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1298.986902] Call Trace: [ 1298.986917] [] dump_stack+0xc1/0x128 [ 1298.986926] [] warn_alloc.cold.31+0x7f/0x9c [ 1298.986937] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1298.986946] [] ? shrink_node+0x740/0x740 [ 1298.986955] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1298.986963] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1298.986973] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1298.986981] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1298.986989] [] ? find_get_entry+0x11a/0x570 [ 1298.986996] [] ? find_get_entry+0x141/0x570 [ 1298.987004] [] ? page_cache_prev_hole+0x80/0x80 [ 1298.987013] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 1298.987020] [] ? pagecache_get_page+0x131/0x710 [ 1298.987027] [] filemap_fault+0xaf1/0x1110 [ 1298.987036] [] ext4_filemap_fault+0x71/0xa0 [ 1298.987044] [] __do_fault+0x223/0x500 [ 1298.987051] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1298.987060] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1298.987067] [] handle_mm_fault+0x1326/0x2350 [ 1298.987075] [] ? vm_insert_page+0x6f0/0x6f0 [ 1298.987085] [] ? kvm_clock_read+0x23/0x40 [ 1298.987093] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1298.987101] [] __do_page_fault+0x403/0xa60 [ 1298.987109] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1298.987119] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1298.987127] [] do_page_fault+0x27/0x30 [ 1298.987136] [] page_fault+0x25/0x30 [ 1298.987139] Mem-Info: [ 1298.987145] CPU: 0 PID: 591 Comm: udevd Not tainted 4.9.141+ #1 [ 1298.987160] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1298.987160] active_file:22 inactive_file:48 isolated_file:0 [ 1298.987160] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1298.987160] slab_reclaimable:4127 slab_unreclaimable:57914 [ 1298.987160] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1298.987160] free:5959 free_pcp:80 free_cma:0 [ 1298.987174] ffff8801d0b777c0 [ 1298.987175] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1298.987195] ffffffff81b42e79DMA32 free:18632kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1248kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 1ffff1003a16eefalowmem_reserve[]: [ 1298.987202] ffff8801d0a9c740 0 3505 ffffffff82a97480 [ 1298.987211] 3505 0000000000000001 0000000000400000Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB ffff8801d0b77908lowmem_reserve[]: [ 1298.987239] 0 ffffffff814fc7c8 [ 1298.987243] 0 0000000041b58ab3** 221 printk messages dropped ** [ 1305.476691] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1305.476691] to free 120kB on behalf of 'syz-executor.3' (2241) because [ 1305.476691] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1305.476691] Free memory is -13684kB above reserved ** 96 printk messages dropped ** [ 1308.900363] [] ? writeback_sb_inodes+0x39b/0xe70 [ 1308.900372] [] writeback_sb_inodes+0x4ac/0xe70 [ 1308.900382] [] ? __writeback_single_inode+0x1020/0x1020 [ 1308.900392] [] ? down_read_trylock+0x6a/0xd0 ** 46 printk messages dropped ** [ 1308.916922] [] warn_alloc.cold.31+0x7f/0x9c [ 1308.916933] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1308.916942] [] ? shrink_node+0x740/0x740 [ 1308.916951] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 47 printk messages dropped ** [ 1308.930110] [] warn_alloc.cold.31+0x7f/0x9c [ 1308.930120] [] ? zone_watermark_ok_safe+0x250/0x250 ** 5 printk messages dropped ** [ 1308.930175] [] ? find_get_entry+0x11a/0x570 [ 1308.930183] [] ? find_get_entry+0x141/0x570 [ 1308.930191] [] ? page_cache_prev_hole+0x80/0x80 [ 1308.930200] [] ? autoremove_wake_function+0x40/0x40 [ 1308.930208] [] ? pagecache_get_page+0x131/0x710 [ 1308.930216] [] filemap_fault+0xaf1/0x1110 [ 1308.930226] [] ext4_filemap_fault+0x71/0xa0 [ 1308.930234] [] __do_fault+0x223/0x500 [ 1308.930242] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1308.930251] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1308.930259] [] handle_mm_fault+0x1326/0x2350 [ 1308.930267] [] ? vm_insert_page+0x6f0/0x6f0 [ 1308.930277] [] ? selinux_file_permission+0x82/0x470 [ 1308.930287] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1308.930295] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1308.930306] [] __do_page_fault+0x403/0xa60 [ 1308.930314] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1308.930325] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1308.930333] [] do_page_fault+0x27/0x30 [ 1308.930342] [] page_fault+0x25/0x30 [ 1308.930346] Mem-Info: [ 1308.930365] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1308.930365] active_file:22 inactive_file:48 isolated_file:0 [ 1308.930365] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1308.930365] slab_reclaimable:4127 slab_unreclaimable:57918 [ 1308.930365] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1308.930365] free:5955 free_pcp:80 free_cma:0 [ 1308.930380] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1308.930400] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1308.930430] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1308.930492] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1308.930554] 0 pages in swap cache [ 1308.930558] Swap cache stats: add 0, delete 0, find 0/0 [ 1308.930560] Free swap = 0kB [ 1308.930563] Total swap = 0kB [ 1308.930565] 1965979 pages RAM [ 1308.930568] 0 pages HighMem/MovableOnly [ 1308.930570] 313617 pages reserved [ 1308.942844] blkid: page allocation stalls for 230050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1308.942854] CPU: 0 PID: 2419 Comm: blkid Not tainted 4.9.141+ #1 [ 1308.942872] ffff88010f36f7c0 ffffffff81b42e79 1ffff10021e6defa ffff8801c73aaf80 [ 1308.942883] ffffffff82a97480 0000000000000001 0000000000400000 ffff88010f36f908 [ 1308.942895] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1308.942897] Call Trace: [ 1308.942913] [] dump_stack+0xc1/0x128 [ 1308.942923] [] warn_alloc.cold.31+0x7f/0x9c [ 1308.942934] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1308.942943] [] ? shrink_node+0x740/0x740 [ 1308.942953] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1308.942962] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1308.942971] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1308.942980] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1308.942988] [] ? find_get_entry+0x11a/0x570 [ 1308.942996] [] ? find_get_entry+0x141/0x570 [ 1308.943004] [] ? page_cache_prev_hole+0x80/0x80 [ 1308.943012] [] ? touch_atime+0xdb/0x270 [ 1308.943020] [] ? pagecache_get_page+0x131/0x710 [ 1308.943037] [] filemap_fault+0xaf1/0x1110 [ 1308.943046] [] ext4_filemap_fault+0x71/0xa0 [ 1308.943054] [] __do_fault+0x223/0x500 [ 1308.943062] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1308.943070] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1308.943079] [] handle_mm_fault+0x1326/0x2350 [ 1308.943086] [] ? vm_insert_page+0x6f0/0x6f0 [ 1308.943096] [] ? selinux_file_permission+0x82/0x470 [ 1308.943107] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1308.943117] [] __do_page_fault+0x403/0xa60 [ 1308.943125] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1308.943136] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1308.943143] [] do_page_fault+0x27/0x30 [ 1308.943153] [] page_fault+0x25/0x30 [ 1308.943157] Mem-Info: [ 1308.943175] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1308.943175] active_file:22 inactive_file:48 isolated_file:0 [ 1308.943175] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1308.943175] slab_reclaimable:4127 slab_unreclaimable:57918 [ 1308.943175] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1308.943175] free:5955 free_pcp:80 free_cma:0 [ 1308.943189] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1308.943210] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1308.943239] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1308.943302] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1308.943355] 0 pages in swap cache [ 1308.943360] Swap cache stats: add 0, delete 0, find 0/0 [ 1308.943362] Free swap = 0kB [ 1308.943364] Total swap = 0kB [ 1308.943367] 1965979 pages RAM [ 1308.943369] 0 pages HighMem/MovableOnly [ 1308.943372] 313617 pages reserved [ 1308.949810] syz-executor.3: page allocation stalls for 230050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1308.949819] CPU: 0 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1308.949835] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1308.949847] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1308.949858] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1308.949860] Call Trace: [ 1308.949874] [] dump_stack+0xc1/0x128 [ 1308.949884] [] warn_alloc.cold.31+0x7f/0x9c [ 1308.949894] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1308.949903] [] ? shrink_node+0x740/0x740 [ 1308.949912] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1308.949921] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1308.949931] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1308.949939] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1308.949946] [] ? find_get_entry+0x11a/0x570 [ 1308.949952] [] ? find_get_entry+0x141/0x570 [ 1308.949958] [] ? page_cache_prev_hole+0x80/0x80 [ 1308.949965] [] ? pagecache_get_page+0x131/0x710 [ 1308.949974] [] filemap_fault+0xaf1/0x1110 [ 1308.949983] [] ext4_filemap_fault+0x71/0xa0 [ 1308.949990] [] __do_fault+0x223/0x500 [ 1308.949998] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1308.950006] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1308.950014] [] handle_mm_fault+0x1326/0x2350 [ 1308.950030] [] ? vm_insert_page+0x6f0/0x6f0 [ 1308.950040] [] __do_page_fault+0x403/0xa60 [ 1308.950048] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1308.950059] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1308.950066] [] do_page_fault+0x27/0x30 [ 1308.950076] [] page_fault+0x25/0x30 [ 1308.950079] Mem-Info: [ 1308.950097] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1308.950097] active_file:22 inactive_file:48 isolated_file:0 [ 1308.950097] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1308.950097] slab_reclaimable:4127 slab_unreclaimable:57918 [ 1308.950097] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1308.950097] free:5955 free_pcp:80 free_cma:0 [ 1308.950112] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1308.950133] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1308.950162] Normal free:5204kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230408kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1308.950223] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 74*8kB (UMH) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5204kB 119 total pagecache pages [ 1308.950277] 0 pages in swap cache [ 1308.950281] Swap cache stats: add 0, delete 0, find 0/0 [ 1308.950284] Free swap = 0kB [ 1308.950286] Total swap = 0kB [ 1308.950289] 1965979 pages RAM [ 1308.950291] 0 pages HighMem/MovableOnly [ 1308.950293] 313617 pages reserved [ 1309.010981] syz-execprog: page allocation stalls for 230040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1309.010992] CPU: 1 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1309.011008] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1309.011020] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1309.011029] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1309.011031] Call Trace: [ 1309.011047] [] dump_stack+0xc1/0x128 [ 1309.011057] [] warn_alloc.cold.31+0x7f/0x9c [ 1309.011068] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1309.011077] [] ? shrink_node+0x740/0x740 [ 1309.011087] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1309.011096] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1309.011106] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1309.011115] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1309.011123] [] ? find_get_entry+0x11a/0x570 [ 1309.011131] [] ? find_get_entry+0x141/0x570 [ 1309.011139] [] ? page_cache_prev_hole+0x80/0x80 [ 1309.011149] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 1309.011157] [] ? pagecache_get_page+0x131/0x710 [ 1309.011165] [] filemap_fault+0xaf1/0x1110 [ 1309.011175] [] ext4_filemap_fault+0x71/0xa0 [ 1309.011183] [] __do_fault+0x223/0x500 [ 1309.011190] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1309.011199] [] ? generic_file_readonly_mmap+0x190/0x190 ** 99 printk messages dropped ** [ 1309.290016] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 127 printk messages dropped ** [ 1318.901936] [] page_fault+0x25/0x30 [ 1318.901940] Mem-Info: ** 49 printk messages dropped ** [ 1318.928742] [] page_fault+0x25/0x30 [ 1318.928746] Mem-Info: [ 1318.928765] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1318.928765] active_file:22 inactive_file:48 isolated_file:0 [ 1318.928765] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1318.928765] slab_reclaimable:4127 slab_unreclaimable:57920 [ 1318.928765] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1318.928765] free:5953 free_pcp:80 free_cma:0 ** 47 printk messages dropped ** [ 1318.930010] [] ? do_writepages+0xef/0x1d0 [ 1318.930027] [] ? ext4_mark_inode_dirty+0xb40/0xb40 [ 1318.930036] [] ? trace_hardirqs_on+0x10/0x10 [ 1318.930043] [] ? trace_hardirqs_on+0x10/0x10 ** 16 printk messages dropped ** [ 1318.930183] [] ? debug_object_deactivate+0x214/0x340 ** 30 printk messages dropped ** [ 1318.930505] 313617 pages reserved [ 1318.933713] syz-execprog: page allocation stalls for 240030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1318.933720] CPU: 0 PID: 2235 Comm: syz-execprog Not tainted 4.9.141+ #1 ** 1 printk messages dropped ** [ 1318.933744] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c966f908 [ 1318.933755] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1318.933757] Call Trace: [ 1318.933767] [] dump_stack+0xc1/0x128 [ 1318.933775] [] warn_alloc.cold.31+0x7f/0x9c [ 1318.933784] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1318.933793] [] ? shrink_node+0x740/0x740 [ 1318.933802] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1318.933809] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1318.933819] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1318.933827] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1318.933835] [] ? find_get_entry+0x11a/0x570 [ 1318.933842] [] ? find_get_entry+0x141/0x570 [ 1318.933850] [] ? page_cache_prev_hole+0x80/0x80 [ 1318.933858] [] ? autoremove_wake_function+0x40/0x40 [ 1318.933866] [] ? pagecache_get_page+0x131/0x710 [ 1318.933874] [] filemap_fault+0xaf1/0x1110 [ 1318.933882] [] ext4_filemap_fault+0x71/0xa0 [ 1318.933889] [] __do_fault+0x223/0x500 [ 1318.933896] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1318.933905] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1318.933912] [] handle_mm_fault+0x1326/0x2350 [ 1318.933920] [] ? vm_insert_page+0x6f0/0x6f0 [ 1318.933929] [] ? selinux_file_permission+0x82/0x470 [ 1318.933939] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1318.933947] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1318.933955] [] __do_page_fault+0x403/0xa60 [ 1318.933963] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1318.933973] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1318.933980] [] do_page_fault+0x27/0x30 [ 1318.933988] [] page_fault+0x25/0x30 [ 1318.933991] Mem-Info: [ 1318.934007] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1318.934007] active_file:22 inactive_file:48 isolated_file:0 [ 1318.934007] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1318.934007] slab_reclaimable:4127 slab_unreclaimable:57920 [ 1318.934007] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1318.934007] free:5953 free_pcp:80 free_cma:0 [ 1318.934029] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1318.934049] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1318.934077] Normal free:5196kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230416kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1318.934136] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 73*8kB (UM) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5196kB 119 total pagecache pages [ 1318.934187] 0 pages in swap cache [ 1318.934191] Swap cache stats: add 0, delete 0, find 0/0 [ 1318.934194] Free swap = 0kB [ 1318.934196] Total swap = 0kB [ 1318.934198] 1965979 pages RAM [ 1318.934201] 0 pages HighMem/MovableOnly [ 1318.934203] 313617 pages reserved [ 1318.947618] syz-execprog: page allocation stalls for 240080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1318.947627] CPU: 1 PID: 2221 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1318.947643] ffff8801c98af7c0 ffffffff81b42e79 1ffff10039315efa ffff8801ca008000 [ 1318.947654] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98af908 [ 1318.947665] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1318.947667] Call Trace: [ 1318.947681] [] dump_stack+0xc1/0x128 [ 1318.947691] [] warn_alloc.cold.31+0x7f/0x9c [ 1318.947700] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1318.947709] [] ? shrink_node+0x740/0x740 [ 1318.947718] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1318.947728] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1318.947736] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1318.947744] [] ? find_get_entry+0x11a/0x570 [ 1318.947752] [] ? find_get_entry+0x141/0x570 [ 1318.947759] [] ? page_cache_prev_hole+0x80/0x80 [ 1318.947767] [] ? trace_hardirqs_on+0x10/0x10 [ 1318.947775] [] ? pagecache_get_page+0x131/0x710 [ 1318.947783] [] filemap_fault+0xaf1/0x1110 [ 1318.947792] [] ext4_filemap_fault+0x71/0xa0 [ 1318.947800] [] __do_fault+0x223/0x500 [ 1318.947808] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1318.947816] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1318.947824] [] handle_mm_fault+0x1326/0x2350 [ 1318.947833] [] ? poll_select_set_timeout+0xb5/0x120 [ 1318.947841] [] ? vm_insert_page+0x6f0/0x6f0 [ 1318.947851] [] __do_page_fault+0x403/0xa60 [ 1318.947859] [] ? __fget_light+0x169/0x1f0 [ 1318.947867] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1318.947877] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1318.947884] [] do_page_fault+0x27/0x30 [ 1318.947893] [] page_fault+0x25/0x30 [ 1318.947897] Mem-Info: [ 1318.947915] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1318.947915] active_file:22 inactive_file:48 isolated_file:0 [ 1318.947915] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1318.947915] slab_reclaimable:4127 slab_unreclaimable:57920 [ 1318.947915] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1318.947915] free:5953 free_pcp:80 free_cma:0 [ 1318.947929] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1318.947949] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1318.947977] Normal free:5196kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230416kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1318.948035] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 73*8kB (UM) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5196kB 119 total pagecache pages [ 1318.948087] 0 pages in swap cache [ 1318.948092] Swap cache stats: add 0, delete 0, find 0/0 [ 1318.948094] Free swap = 0kB [ 1318.948096] Total swap = 0kB [ 1318.948099] 1965979 pages RAM [ 1318.948101] 0 pages HighMem/MovableOnly [ 1318.948103] 313617 pages reserved [ 1318.959752] syz-executor.3: page allocation stalls for 240060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1318.959761] CPU: 0 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1318.959777] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1318.959788] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1318.959799] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1318.959800] Call Trace: [ 1318.959815] [] dump_stack+0xc1/0x128 [ 1318.959825] [] warn_alloc.cold.31+0x7f/0x9c [ 1318.959835] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1318.959844] [] ? shrink_node+0x740/0x740 [ 1318.959853] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1318.959862] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1318.959871] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1318.959880] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1318.959888] [] ? find_get_entry+0x11a/0x570 [ 1318.959895] [] ? find_get_entry+0x141/0x570 [ 1318.959903] [] ? page_cache_prev_hole+0x80/0x80 [ 1318.959911] [] ? pagecache_get_page+0x131/0x710 [ 1318.959919] [] filemap_fault+0xaf1/0x1110 [ 1318.959928] [] ext4_filemap_fault+0x71/0xa0 [ 1318.959935] [] __do_fault+0x223/0x500 [ 1318.959942] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1318.959951] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1318.959958] [] handle_mm_fault+0x1326/0x2350 [ 1318.959966] [] ? vm_insert_page+0x6f0/0x6f0 [ 1318.959976] [] __do_page_fault+0x403/0xa60 [ 1318.959984] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1318.959994] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1318.960001] [] do_page_fault+0x27/0x30 [ 1318.960010] [] page_fault+0x25/0x30 [ 1318.960014] Mem-Info: [ 1318.960039] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1318.960039] active_file:22 inactive_file:48 isolated_file:0 [ 1318.960039] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1318.960039] slab_reclaimable:4127 slab_unreclaimable:57920 [ 1318.960039] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1318.960039] free:5953 free_pcp:80 free_cma:0 [ 1318.960054] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1318.960073] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1318.960101] Normal free:5196kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230416kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1318.960161] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 73*8kB (UM) 41*16kB (UM) 21*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5196kB 119 total pagecache pages [ 1318.960212] 0 pages in swap cache [ 1318.960217] Swap cache stats: add 0, delete 0, find 0/0 [ 1318.960219] Free swap = 0kB [ 1318.960221] Total swap = 0kB [ 1318.960224] 1965979 pages RAM [ 1318.960226] 0 pages HighMem/MovableOnly [ 1318.960228] 313617 pages reserved [ 1318.992081] udevd: page allocation stalls for 180010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1318.992090] CPU: 0 PID: 591 Comm: udevd Not tainted 4.9.141+ #1 [ 1318.992106] ffff8801d0b777c0 ffffffff81b42e79 1ffff1003a16eefa ffff8801d0a9c740 [ 1318.992117] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d0b77908 [ 1318.992128] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1318.992130] Call Trace: [ 1318.992145] [] dump_stack+0xc1/0x128 [ 1318.992155] [] warn_alloc.cold.31+0x7f/0x9c [ 1318.992165] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1318.992175] [] ? shrink_node+0x740/0x740 [ 1318.992184] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1318.992193] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1318.992202] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1318.992210] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1318.992218] [] ? find_get_entry+0x11a/0x570 [ 1318.992226] [] ? find_get_entry+0x141/0x570 [ 1318.992234] [] ? page_cache_prev_hole+0x80/0x80 [ 1318.992241] [] ? pagecache_get_page+0x131/0x710 [ 1318.992250] [] filemap_fault+0xaf1/0x1110 [ 1318.992259] [] ext4_filemap_fault+0x71/0xa0 [ 1318.992266] [] __do_fault+0x223/0x500 [ 1318.992274] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1318.992282] [] ? generic_file_readonly_mmap+0x190/0x190 ** 60 printk messages dropped ** [ 1319.019645] [] page_fault+0x25/0x30 ** 130 printk messages dropped ** [ 1328.756652] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1328.756652] to free 120kB on behalf of 'syz-execprog' (2223) because [ 1328.756652] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1328.756652] Free memory is -13700kB above reserved ** 107 printk messages dropped ** [ 1328.900765] [] ? cancel_delayed_work_sync+0x20/0x20 [ 1328.900772] [] worker_thread+0xd6/0x1140 [ 1328.900781] [] ? ___preempt_schedule+0x16/0x18 [ 1328.900790] [] kthread+0x26d/0x300 ** 47 printk messages dropped ** [ 1328.909644] [] handle_mm_fault+0x1326/0x2350 [ 1328.909651] [] ? vm_insert_page+0x6f0/0x6f0 [ 1328.909661] [] ? selinux_file_permission+0x82/0x470 [ 1328.909671] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1328.909680] [] __do_page_fault+0x403/0xa60 [ 1328.909688] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1328.909697] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 43 printk messages dropped ** [ 1328.915493] [] handle_mm_fault+0x1326/0x2350 [ 1328.915501] [] ? vm_insert_page+0x6f0/0x6f0 [ 1328.915508] [] ? selinux_file_permission+0x82/0x470 [ 1328.915525] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1328.915533] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1328.915542] [] __do_page_fault+0x403/0xa60 [ 1328.915550] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1328.915559] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1328.915566] [] do_page_fault+0x27/0x30 ** 1 printk messages dropped ** [ 1328.915577] Mem-Info: [ 1328.915594] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1328.915594] active_file:22 inactive_file:48 isolated_file:0 [ 1328.915594] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1328.915594] slab_reclaimable:4127 slab_unreclaimable:57923 [ 1328.915594] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1328.915594] free:5951 free_pcp:79 free_cma:0 [ 1328.915608] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1328.915627] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1328.915656] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230428kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:316kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1328.915714] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 74*8kB (UMH) 42*16kB (UMH) 20*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1328.915766] 0 pages in swap cache [ 1328.915770] Swap cache stats: add 0, delete 0, find 0/0 [ 1328.915772] Free swap = 0kB [ 1328.915775] Total swap = 0kB [ 1328.915777] 1965979 pages RAM [ 1328.915779] 0 pages HighMem/MovableOnly [ 1328.915781] 313617 pages reserved [ 1328.919338] syz-execprog: page allocation stalls for 250020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1328.919346] CPU: 0 PID: 2223 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1328.919359] ffff8801c99bf7c0 ffffffff81b42e79 1ffff10039337efa ffff8801c9852f80 [ 1328.919370] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c99bf908 [ 1328.919381] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1328.919383] Call Trace: [ 1328.919393] [] dump_stack+0xc1/0x128 [ 1328.919401] [] warn_alloc.cold.31+0x7f/0x9c [ 1328.919410] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1328.919418] [] ? shrink_node+0x740/0x740 [ 1328.919428] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1328.919435] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1328.919444] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1328.919452] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1328.919460] [] ? find_get_entry+0x11a/0x570 [ 1328.919468] [] ? find_get_entry+0x141/0x570 [ 1328.919475] [] ? page_cache_prev_hole+0x80/0x80 [ 1328.919483] [] ? autoremove_wake_function+0x40/0x40 [ 1328.919491] [] ? pagecache_get_page+0x131/0x710 [ 1328.919499] [] filemap_fault+0xaf1/0x1110 [ 1328.919507] [] ext4_filemap_fault+0x71/0xa0 [ 1328.919514] [] __do_fault+0x223/0x500 [ 1328.919520] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1328.919529] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1328.919536] [] handle_mm_fault+0x1326/0x2350 [ 1328.919544] [] ? ep_poll+0x18f/0xb20 [ 1328.919551] [] ? vm_insert_page+0x6f0/0x6f0 [ 1328.919559] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1328.919568] [] __do_page_fault+0x403/0xa60 [ 1328.919576] [] ? __fget_light+0x169/0x1f0 [ 1328.919584] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1328.919593] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1328.919600] [] do_page_fault+0x27/0x30 [ 1328.919608] [] page_fault+0x25/0x30 [ 1328.919611] Mem-Info: [ 1328.919628] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1328.919628] active_file:22 inactive_file:48 isolated_file:0 [ 1328.919628] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1328.919628] slab_reclaimable:4127 slab_unreclaimable:57923 [ 1328.919628] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1328.919628] free:5951 free_pcp:79 free_cma:0 [ 1328.919642] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1328.919661] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1328.919689] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230428kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:316kB local_pcp:84kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1328.919748] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 74*8kB (UMH) 42*16kB (UMH) 20*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1328.919800] 0 pages in swap cache [ 1328.919804] Swap cache stats: add 0, delete 0, find 0/0 [ 1328.919806] Free swap = 0kB [ 1328.919808] Total swap = 0kB [ 1328.919811] 1965979 pages RAM [ 1328.919813] 0 pages HighMem/MovableOnly [ 1328.919815] 313617 pages reserved [ 1328.941212] syz-executor.3: page allocation stalls for 250040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1328.941221] CPU: 1 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1328.941237] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1328.941248] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1328.941259] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1328.941261] Call Trace: [ 1328.941276] [] dump_stack+0xc1/0x128 [ 1328.941286] [] warn_alloc.cold.31+0x7f/0x9c [ 1328.941296] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1328.941305] [] ? shrink_node+0x740/0x740 [ 1328.941315] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1328.941323] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1328.941332] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1328.941340] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1328.941348] [] ? find_get_entry+0x11a/0x570 [ 1328.941355] [] ? find_get_entry+0x141/0x570 [ 1328.941363] [] ? page_cache_prev_hole+0x80/0x80 [ 1328.941371] [] ? pagecache_get_page+0x131/0x710 [ 1328.941379] [] filemap_fault+0xaf1/0x1110 [ 1328.941388] [] ext4_filemap_fault+0x71/0xa0 [ 1328.941395] [] __do_fault+0x223/0x500 [ 1328.941402] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1328.941411] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1328.941419] [] handle_mm_fault+0x1326/0x2350 [ 1328.941426] [] ? vm_insert_page+0x6f0/0x6f0 [ 1328.941436] [] __do_page_fault+0x403/0xa60 [ 1328.941444] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1328.941455] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1328.941462] [] do_page_fault+0x27/0x30 [ 1328.941471] [] page_fault+0x25/0x30 [ 1328.941475] Mem-Info: [ 1328.941492] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1328.941492] active_file:22 inactive_file:48 isolated_file:0 [ 1328.941492] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1328.941492] slab_reclaimable:4127 slab_unreclaimable:57923 [ 1328.941492] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1328.941492] free:5951 free_pcp:79 free_cma:0 [ 1328.941507] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1328.941534] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1328.941562] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230428kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:316kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1328.941623] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 74*8kB (UMH) 42*16kB (UMH) 20*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1328.941675] 0 pages in swap cache [ 1328.941679] Swap cache stats: add 0, delete 0, find 0/0 [ 1328.941682] Free swap = 0kB [ 1328.941684] Total swap = 0kB [ 1328.941687] 1965979 pages RAM [ 1328.941689] 0 pages HighMem/MovableOnly [ 1328.941691] 313617 pages reserved [ 1328.999132] udevd: page allocation stalls for 190020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1328.999141] CPU: 0 PID: 591 Comm: udevd Not tainted 4.9.141+ #1 [ 1328.999159] ffff8801d0b777c0 ffffffff81b42e79 1ffff1003a16eefa ffff8801d0a9c740 [ 1328.999170] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d0b77908 [ 1328.999180] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1328.999182] Call Trace: [ 1328.999198] [] dump_stack+0xc1/0x128 [ 1328.999208] [] warn_alloc.cold.31+0x7f/0x9c [ 1328.999218] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1328.999227] [] ? shrink_node+0x740/0x740 [ 1328.999236] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1328.999245] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1328.999254] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1328.999263] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1328.999271] [] ? find_get_entry+0x11a/0x570 [ 1328.999278] [] ? find_get_entry+0x141/0x570 [ 1328.999285] [] ? page_cache_prev_hole+0x80/0x80 [ 1328.999293] [] ? pagecache_get_page+0x131/0x710 [ 1328.999301] [] filemap_fault+0xaf1/0x1110 [ 1328.999311] [] ext4_filemap_fault+0x71/0xa0 [ 1328.999318] [] __do_fault+0x223/0x500 [ 1328.999326] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1328.999334] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1328.999342] [] handle_mm_fault+0x1326/0x2350 [ 1328.999350] [] ? ep_poll+0x18f/0xb20 [ 1328.999358] [] ? vm_insert_page+0x6f0/0x6f0 [ 1328.999366] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 1328.999374] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1328.999384] [] __do_page_fault+0x403/0xa60 [ 1328.999393] [] ? __fget_light+0x169/0x1f0 [ 1328.999401] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1328.999411] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1328.999419] [] do_page_fault+0x27/0x30 [ 1328.999427] [] page_fault+0x25/0x30 [ 1328.999431] Mem-Info: [ 1328.999449] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1328.999449] active_file:22 inactive_file:48 isolated_file:0 [ 1328.999449] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1328.999449] slab_reclaimable:4127 slab_unreclaimable:57923 [ 1328.999449] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1328.999449] free:5951 free_pcp:79 free_cma:0 ** 291 printk messages dropped ** [ 1338.901028] [] ? process_one_work+0x15f0/0x15f0 ** 7 printk messages dropped ** [ 1338.901103] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 47 printk messages dropped ** [ 1338.936378] [] page_fault+0x25/0x30 [ 1338.936382] Mem-Info: [ 1338.936401] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1338.936401] active_file:22 inactive_file:48 isolated_file:0 [ 1338.936401] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1338.936401] slab_reclaimable:4127 slab_unreclaimable:57923 [ 1338.936401] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1338.936401] free:5951 free_pcp:79 free_cma:0 ** 43 printk messages dropped ** [ 1338.938476] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1338.938504] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230428kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:316kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1338.938572] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 74*8kB (UMH) 42*16kB (UMH) 20*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1338.938624] 0 pages in swap cache [ 1338.938628] Swap cache stats: add 0, delete 0, find 0/0 [ 1338.938631] Free swap = 0kB [ 1338.938633] Total swap = 0kB [ 1338.938635] 1965979 pages RAM [ 1338.938638] 0 pages HighMem/MovableOnly [ 1338.938640] 313617 pages reserved [ 1338.962304] syz-executor.3: page allocation stalls for 260060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1338.962314] CPU: 1 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1338.962330] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1338.962341] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1338.962351] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1338.962353] Call Trace: [ 1338.962371] [] dump_stack+0xc1/0x128 [ 1338.962381] [] warn_alloc.cold.31+0x7f/0x9c [ 1338.962391] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1338.962400] [] ? shrink_node+0x740/0x740 [ 1338.962409] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1338.962417] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1338.962426] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1338.962434] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1338.962441] [] ? find_get_entry+0x11a/0x570 [ 1338.962448] [] ? find_get_entry+0x141/0x570 [ 1338.962455] [] ? page_cache_prev_hole+0x80/0x80 [ 1338.962462] [] ? pagecache_get_page+0x131/0x710 [ 1338.962470] [] filemap_fault+0xaf1/0x1110 [ 1338.962478] [] ext4_filemap_fault+0x71/0xa0 [ 1338.962486] [] __do_fault+0x223/0x500 [ 1338.962492] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1338.962501] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1338.962508] [] handle_mm_fault+0x1326/0x2350 [ 1338.962523] [] ? vm_insert_page+0x6f0/0x6f0 [ 1338.962533] [] __do_page_fault+0x403/0xa60 [ 1338.962541] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1338.962550] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1338.962557] [] do_page_fault+0x27/0x30 [ 1338.962566] [] page_fault+0x25/0x30 [ 1338.962570] Mem-Info: [ 1338.962588] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1338.962588] active_file:22 inactive_file:48 isolated_file:0 [ 1338.962588] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1338.962588] slab_reclaimable:4127 slab_unreclaimable:57923 [ 1338.962588] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1338.962588] free:5951 free_pcp:79 free_cma:0 [ 1338.962601] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1338.962620] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1338.962647] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230428kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:316kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1338.962704] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 74*8kB (UMH) 42*16kB (UMH) 20*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1338.962744] 0 pages in swap cache [ 1338.962747] Swap cache stats: add 0, delete 0, find 0/0 [ 1338.962748] Free swap = 0kB [ 1338.962750] Total swap = 0kB [ 1338.962752] 1965979 pages RAM [ 1338.962754] 0 pages HighMem/MovableOnly [ 1338.962755] 313617 pages reserved [ 1338.967767] syz-execprog: page allocation stalls for 260070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1338.967776] CPU: 0 PID: 2223 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1338.967792] ffff8801c99bf7c0 ffffffff81b42e79 1ffff10039337efa ffff8801c9852f80 [ 1338.967803] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c99bf908 [ 1338.967814] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1338.967816] Call Trace: [ 1338.967830] [] dump_stack+0xc1/0x128 [ 1338.967841] [] warn_alloc.cold.31+0x7f/0x9c [ 1338.967850] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1338.967859] [] ? shrink_node+0x740/0x740 [ 1338.967869] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1338.967877] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1338.967887] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1338.967896] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1338.967903] [] ? find_get_entry+0x11a/0x570 [ 1338.967911] [] ? find_get_entry+0x141/0x570 [ 1338.967918] [] ? page_cache_prev_hole+0x80/0x80 [ 1338.967927] [] ? autoremove_wake_function+0x40/0x40 [ 1338.967935] [] ? pagecache_get_page+0x131/0x710 [ 1338.967943] [] filemap_fault+0xaf1/0x1110 [ 1338.967952] [] ext4_filemap_fault+0x71/0xa0 [ 1338.967960] [] __do_fault+0x223/0x500 [ 1338.967967] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1338.967975] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1338.967983] [] handle_mm_fault+0x1326/0x2350 [ 1338.967991] [] ? ep_poll+0x18f/0xb20 [ 1338.967999] [] ? vm_insert_page+0x6f0/0x6f0 [ 1338.968007] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1338.968023] [] __do_page_fault+0x403/0xa60 [ 1338.968032] [] ? __fget_light+0x169/0x1f0 [ 1338.968040] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1338.968050] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1338.968058] [] do_page_fault+0x27/0x30 [ 1338.968067] [] page_fault+0x25/0x30 [ 1338.968071] Mem-Info: [ 1338.968088] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1338.968088] active_file:22 inactive_file:48 isolated_file:0 [ 1338.968088] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1338.968088] slab_reclaimable:4127 slab_unreclaimable:57923 [ 1338.968088] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1338.968088] free:5951 free_pcp:79 free_cma:0 [ 1338.968103] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1338.968123] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1338.968151] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230428kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:316kB local_pcp:84kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1338.968210] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 74*8kB (UMH) 42*16kB (UMH) 20*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1338.968262] 0 pages in swap cache [ 1338.968266] Swap cache stats: add 0, delete 0, find 0/0 [ 1338.968269] Free swap = 0kB [ 1338.968271] Total swap = 0kB [ 1338.968274] 1965979 pages RAM [ 1338.968276] 0 pages HighMem/MovableOnly [ 1338.968278] 313617 pages reserved [ 1338.976685] (UMH) 42*16kB (UMH) 20*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1338.976691] 0 pages in swap cache [ 1338.976695] Swap cache stats: add 0, delete 0, find 0/0 [ 1338.976697] Free swap = 0kB [ 1338.976699] Total swap = 0kB [ 1338.976702] 1965979 pages RAM [ 1338.976704] 0 pages HighMem/MovableOnly [ 1338.976707] 313617 pages reserved [ 1339.019594] syz-execprog: page allocation stalls for 260050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1339.019603] CPU: 0 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1339.019619] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1339.019630] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1339.019641] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1339.019643] Call Trace: [ 1339.019658] [] dump_stack+0xc1/0x128 [ 1339.019668] [] warn_alloc.cold.31+0x7f/0x9c [ 1339.019678] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1339.019687] [] ? shrink_node+0x740/0x740 [ 1339.019697] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1339.019705] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1339.019715] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1339.019723] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1339.019731] [] ? find_get_entry+0x11a/0x570 [ 1339.019738] [] ? find_get_entry+0x141/0x570 [ 1339.019746] [] ? page_cache_prev_hole+0x80/0x80 [ 1339.019755] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 1339.019763] [] ? pagecache_get_page+0x131/0x710 [ 1339.019771] [] filemap_fault+0xaf1/0x1110 [ 1339.019780] [] ext4_filemap_fault+0x71/0xa0 [ 1339.019788] [] __do_fault+0x223/0x500 [ 1339.019795] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1339.019804] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1339.019812] [] handle_mm_fault+0x1326/0x2350 [ 1339.019819] [] ? vm_insert_page+0x6f0/0x6f0 [ 1339.019829] [] ? kvm_clock_read+0x23/0x40 [ 1339.019837] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1339.019846] [] __do_page_fault+0x403/0xa60 [ 1339.019854] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1339.019865] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1339.019872] [] do_page_fault+0x27/0x30 [ 1339.019881] [] page_fault+0x25/0x30 [ 1339.019884] Mem-Info: [ 1339.019903] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1339.019903] active_file:22 inactive_file:48 isolated_file:0 [ 1339.019903] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1339.019903] slab_reclaimable:4127 slab_unreclaimable:57923 [ 1339.019903] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1339.019903] free:5951 free_pcp:79 free_cma:0 ** 309 printk messages dropped ** [ 1348.908302] (H) ** 39 printk messages dropped ** [ 1348.908496] [] worker_thread+0xd6/0x1140 [ 1348.908504] [] ? ___preempt_schedule+0x16/0x18 [ 1348.908523] [] kthread+0x26d/0x300 [ 1348.908531] [] ? process_one_work+0x15f0/0x15f0 ** 53 printk messages dropped ** [ 1348.909107] [] do_page_fault+0x27/0x30 [ 1348.909114] [] page_fault+0x25/0x30 [ 1348.909118] Mem-Info: [ 1348.909135] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1348.909135] active_file:22 inactive_file:48 isolated_file:0 [ 1348.909135] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1348.909135] slab_reclaimable:4127 slab_unreclaimable:57925 [ 1348.909135] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1348.909135] free:5951 free_pcp:77 free_cma:0 ** 46 printk messages dropped ** [ 1348.933292] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1348.933300] [] do_page_fault+0x27/0x30 [ 1348.933309] [] page_fault+0x25/0x30 [ 1348.933313] Mem-Info: [ 1348.933332] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1348.933332] active_file:22 inactive_file:48 isolated_file:0 [ 1348.933332] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1348.933332] slab_reclaimable:4127 slab_unreclaimable:57925 [ 1348.933332] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1348.933332] free:5951 free_pcp:77 free_cma:0 [ 1348.933347] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1348.933367] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1348.933397] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230436kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1348.933460] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 74*8kB (UMH) 42*16kB (UMH) 20*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1348.933513] 0 pages in swap cache [ 1348.933517] Swap cache stats: add 0, delete 0, find 0/0 [ 1348.933519] Free swap = 0kB [ 1348.933522] Total swap = 0kB [ 1348.933524] 1965979 pages RAM [ 1348.933527] 0 pages HighMem/MovableOnly [ 1348.933529] 313617 pages reserved [ 1348.939341] syz-executor.3: page allocation stalls for 270040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1348.939351] CPU: 1 PID: 2241 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1348.939367] ffff8801cdb0f7c0 ffffffff81b42e79 1ffff10039b61efa ffff8801c9570000 [ 1348.939378] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cdb0f908 [ 1348.939389] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1348.939391] Call Trace: [ 1348.939405] [] dump_stack+0xc1/0x128 [ 1348.939414] [] warn_alloc.cold.31+0x7f/0x9c [ 1348.939425] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1348.939434] [] ? shrink_node+0x740/0x740 [ 1348.939443] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1348.939452] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1348.939462] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1348.939471] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1348.939479] [] ? find_get_entry+0x11a/0x570 [ 1348.939487] [] ? find_get_entry+0x141/0x570 [ 1348.939494] [] ? page_cache_prev_hole+0x80/0x80 [ 1348.939503] [] ? pagecache_get_page+0x131/0x710 [ 1348.939520] [] filemap_fault+0xaf1/0x1110 [ 1348.939530] [] ext4_filemap_fault+0x71/0xa0 [ 1348.939538] [] __do_fault+0x223/0x500 [ 1348.939545] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1348.939554] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1348.939562] [] handle_mm_fault+0x1326/0x2350 [ 1348.939570] [] ? vm_insert_page+0x6f0/0x6f0 [ 1348.939580] [] __do_page_fault+0x403/0xa60 [ 1348.939589] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1348.939599] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1348.939607] [] do_page_fault+0x27/0x30 [ 1348.939615] [] page_fault+0x25/0x30 [ 1348.939619] Mem-Info: [ 1348.939637] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1348.939637] active_file:22 inactive_file:48 isolated_file:0 [ 1348.939637] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1348.939637] slab_reclaimable:4127 slab_unreclaimable:57925 [ 1348.939637] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1348.939637] free:5951 free_pcp:77 free_cma:0 [ 1348.939652] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1348.939673] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1348.939703] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230436kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1348.939765] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 74*8kB (UMH) 42*16kB (UMH) 20*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1348.939819] 0 pages in swap cache [ 1348.939823] Swap cache stats: add 0, delete 0, find 0/0 [ 1348.939826] Free swap = 0kB [ 1348.939828] Total swap = 0kB [ 1348.939830] 1965979 pages RAM [ 1348.939833] 0 pages HighMem/MovableOnly [ 1348.939836] 313617 pages reserved [ 1348.950034] syz-execprog: page allocation stalls for 270050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1348.950043] CPU: 1 PID: 2223 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1348.950059] ffff8801c99bf7c0 ffffffff81b42e79 1ffff10039337efa ffff8801c9852f80 [ 1348.950070] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c99bf908 [ 1348.950082] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1348.950084] Call Trace: [ 1348.950099] [] dump_stack+0xc1/0x128 [ 1348.950109] [] warn_alloc.cold.31+0x7f/0x9c [ 1348.950120] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1348.950129] [] ? shrink_node+0x740/0x740 [ 1348.950139] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1348.950148] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1348.950157] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1348.950167] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1348.950174] [] ? find_get_entry+0x11a/0x570 [ 1348.950182] [] ? find_get_entry+0x141/0x570 [ 1348.950190] [] ? page_cache_prev_hole+0x80/0x80 [ 1348.950199] [] ? autoremove_wake_function+0x40/0x40 [ 1348.950207] [] ? pagecache_get_page+0x131/0x710 [ 1348.950215] [] filemap_fault+0xaf1/0x1110 [ 1348.950225] [] ext4_filemap_fault+0x71/0xa0 [ 1348.950232] [] __do_fault+0x223/0x500 [ 1348.950240] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1348.950249] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1348.950257] [] handle_mm_fault+0x1326/0x2350 [ 1348.950266] [] ? ep_poll+0x18f/0xb20 [ 1348.950273] [] ? vm_insert_page+0x6f0/0x6f0 [ 1348.950281] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1348.950291] [] __do_page_fault+0x403/0xa60 [ 1348.950300] [] ? __fget_light+0x169/0x1f0 [ 1348.950308] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1348.950319] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1348.950327] [] do_page_fault+0x27/0x30 [ 1348.950336] [] page_fault+0x25/0x30 [ 1348.950339] Mem-Info: [ 1348.950358] active_anon:5002 inactive_anon:38 isolated_anon:0 [ 1348.950358] active_file:22 inactive_file:48 isolated_file:0 [ 1348.950358] unevictable:0 dirty:3 writeback:0 unstable:0 [ 1348.950358] slab_reclaimable:4127 slab_unreclaimable:57925 [ 1348.950358] mapped:22 shmem:48 pagetables:372 bounce:0 [ 1348.950358] free:5951 free_pcp:77 free_cma:0 [ 1348.950373] Node 0 active_anon:20008kB inactive_anon:152kB active_file:88kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1348.950394] DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:132kB inactive_anon:0kB active_file:88kB inactive_file:92kB unevictable:0kB writepending:12kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:164kB slab_unreclaimable:1264kB kernel_stack:32kB pagetables:76kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1348.950423] Normal free:5188kB min:5580kB low:9168kB high:12756kB active_anon:19876kB inactive_anon:152kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16344kB slab_unreclaimable:230436kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1348.950485] DMA32: 22*4kB (ME) 30*8kB (M) 37*16kB (UME) 29*32kB (UME) 14*64kB (UME) 6*128kB (M) 5*256kB (ME) 3*512kB (UE) 4*1024kB (UE) 4*2048kB (UM) 0*4096kB = 18616kB Normal: 197*4kB (MEH) 74*8kB (UMH) 42*16kB (UMH) 20*32kB (UMH) 7*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5188kB 119 total pagecache pages [ 1348.950548] 0 pages in swap cache [ 1348.950553] Swap cache stats: add 0, delete 0, find 0/0 [ 1348.950555] Free swap = 0kB [ 1348.950558] Total swap = 0kB [ 1348.950560] 1965979 pages RAM [ 1348.950563] 0 pages HighMem/MovableOnly [ 1348.950565] 313617 pages reserved [ 1348.996691] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1348.996691] to free 120kB on behalf of 'cron' (1951) because [ 1348.996691] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1348.996691] Free memory is -13700kB above reserved [ 1348.996703] lowmemorykiller: Killing 'syz-executor.5' (2387) (tgid 2386), adj 1000, [ 1348.996703] to free 120kB on behalf of 'syz-execprog' (2235) because [ 1348.996703] cache 284kB is below limit 6144kB for oom_score_adj 0 [ 1348.996703] Free memory is -13700kB above reserved [ 1349.038793] syz-execprog: page allocation stalls for 270070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1349.038803] CPU: 0 PID: 2224 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1349.038820] ffff8801c981f7c0 ffffffff81b42e79 1ffff10039303efa ffff8801ca265f00 [ 1349.038832] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c981f908 [ 1349.038843] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1349.038845] Call Trace: [ 1349.038861] [] dump_stack+0xc1/0x128 [ 1349.038877] [] warn_alloc.cold.31+0x7f/0x9c [ 1349.038887] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1349.038897] [] ? shrink_node+0x740/0x740 [ 1349.038906] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1349.038916] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1349.038925] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1349.038934] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1349.038942] [] ? find_get_entry+0x11a/0x570 [ 1349.038950] [] ? find_get_entry+0x141/0x570 [ 1349.038958] [] ? page_cache_prev_hole+0x80/0x80 [ 1349.038967] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 1349.038975] [] ? pagecache_get_page+0x131/0x710 [ 1349.038984] [] filemap_fault+0xaf1/0x1110 [ 1349.038994] [] ext4_filemap_fault+0x71/0xa0 [ 1349.039001] [] __do_fault+0x223/0x500 [ 1349.039009] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1349.039027] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1349.039035] [] handle_mm_fault+0x1326/0x2350 [ 1349.039043] [] ? vm_insert_page+0x6f0/0x6f0 [ 1349.039052] [] ? kvm_clock_read+0x23/0x40 [ 1349.039060] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1349.039070] [] __do_page_fault+0x403/0xa60 [ 1349.039078] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1349.039089] [] ? trace_hardirqs_off_thunk+0x1a/0x1c