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 "4" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts. 2019/07/31 04:33:32 parsed 1 programs 2019/07/31 04:33:34 executed programs: 0 [ 759.000533] audit: type=1400 audit(1564547614.843:5): avc: denied { sys_admin } for pid=2173 comm="syz-executor.2" 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 [ 759.048885] audit: type=1400 audit(1564547614.893:6): avc: denied { net_admin } for pid=2176 comm="syz-executor.0" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 759.515653] audit: type=1400 audit(1564547615.363:7): avc: denied { sys_chroot } for pid=2178 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 [ 759.515667] audit: type=1400 audit(1564547615.363:8): avc: denied { sys_chroot } for pid=2181 comm="syz-executor.4" 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 [ 759.516546] audit: type=1400 audit(1564547615.363:9): avc: denied { associate } for pid=2181 comm="syz-executor.4" name="syz4" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 761.365174] lowmemorykiller: Killing 'syz-executor.4' (2322) (tgid 2320), adj 1000, [ 761.365174] to free 848kB on behalf of 'syz-executor.0' (2335) because [ 761.365174] cache 53880kB is below limit 65536kB for oom_score_adj 12 [ 761.365174] Free memory is -13256kB above reserved [ 761.365473] lowmemorykiller: Killing 'syz-executor.4' (2322) (tgid 2320), adj 1000, [ 761.365473] to free 848kB on behalf of 'kswapd0' (33) because [ 761.365473] cache 53480kB is below limit 65536kB for oom_score_adj 12 [ 761.365473] Free memory is -12756kB above reserved [ 761.660577] oom_reaper: reaped process 2349 (syz-executor.2), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 761.689645] oom_reaper: reaped process 2322 (syz-executor.4), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 761.694347] syz-executor.4: vmalloc: allocation failure, allocated 1410490368 of 3843104768 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 761.694352] CPU: 1 PID: 2322 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 761.694361] ffff8801c7c37900 ffffffff81b42e79 1ffff10038f86f22 dffffc0000000000 [ 761.694367] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801c7c37a48 [ 761.694372] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 761.694373] Call Trace: [ 761.694437] [] dump_stack+0xc1/0x128 [ 761.694488] [] warn_alloc.cold.31+0x7f/0x9c [ 761.694509] [] ? zone_watermark_ok_safe+0x250/0x250 [ 761.694558] [] ? check_preemption_disabled+0x3b/0x200 [ 761.694601] [] ? retint_kernel+0x2d/0x2d [ 761.694615] [] __vmalloc_node_range+0x3f8/0x600 [ 761.694659] [] ? xt_alloc_table_info+0xc9/0x100 [ 761.694666] [] vmalloc+0x5b/0x70 [ 761.694673] [] ? xt_alloc_table_info+0xc9/0x100 [ 761.694680] [] xt_alloc_table_info+0xc9/0x100 [ 761.694708] [] compat_do_replace.isra.10+0x116/0x380 [ 761.694717] [] ? translate_compat_table+0x1790/0x1790 [ 761.694743] [] ? mutex_lock_nested+0x6b7/0x900 [ 761.694768] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 761.694826] [] ? __cap_capable+0x168/0x1c0 [ 761.694847] [] ? ns_capable_common+0x12a/0x150 [ 761.694856] [] compat_do_ipt_set_ctl+0x102/0x140 [ 761.694890] [] compat_nf_setsockopt+0x8b/0x130 [ 761.694899] [] ? compat_do_replace.isra.10+0x380/0x380 [ 761.694934] [] compat_ip_setsockopt+0x97/0xd0 [ 761.694967] [] compat_udp_setsockopt+0x4a/0x90 [ 761.694994] [] compat_sock_common_setsockopt+0xb4/0x150 [ 761.695002] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 761.695046] [] compat_SyS_setsockopt+0x169/0x550 [ 761.695053] [] ? sock_common_setsockopt+0xe0/0xe0 [ 761.695061] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 761.695107] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 761.695116] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 761.695130] [] ? do_fast_syscall_32+0xcf/0xa10 [ 761.695138] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 761.695145] [] do_fast_syscall_32+0x2f1/0xa10 [ 761.695155] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 761.695163] [] entry_SYSENTER_compat+0x90/0xa2 [ 761.695299] syz-executor.2: vmalloc: allocation failure, allocated 664068096 of 3843104768 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 761.695306] CPU: 1 PID: 2349 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 761.695318] ffff880193057900 ffffffff81b42e79 1ffff1003260af22 dffffc0000000000 [ 761.695328] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff880193057a48 [ 761.695338] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 761.695339] Call Trace: [ 761.695348] [] dump_stack+0xc1/0x128 [ 761.695356] [] warn_alloc.cold.31+0x7f/0x9c [ 761.695365] [] ? zone_watermark_ok_safe+0x250/0x250 [ 761.695373] [] __vmalloc_node_range+0x3f8/0x600 [ 761.695380] [] ? xt_alloc_table_info+0xc9/0x100 [ 761.695387] [] vmalloc+0x5b/0x70 [ 761.695394] [] ? xt_alloc_table_info+0xc9/0x100 [ 761.695401] [] xt_alloc_table_info+0xc9/0x100 [ 761.695409] [] compat_do_replace.isra.10+0x116/0x380 [ 761.695417] [] ? translate_compat_table+0x1790/0x1790 [ 761.695424] [] ? mutex_lock_nested+0x6b7/0x900 [ 761.695431] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 761.695439] [] ? __cap_capable+0x168/0x1c0 [ 761.695448] [] ? ns_capable_common+0x12a/0x150 [ 761.695456] [] compat_do_ipt_set_ctl+0x102/0x140 [ 761.695463] [] compat_nf_setsockopt+0x8b/0x130 [ 761.695471] [] ? compat_do_replace.isra.10+0x380/0x380 [ 761.695479] [] compat_ip_setsockopt+0x97/0xd0 [ 761.695487] [] compat_udp_setsockopt+0x4a/0x90 [ 761.695495] [] compat_sock_common_setsockopt+0xb4/0x150 [ 761.695503] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 761.695511] [] compat_SyS_setsockopt+0x169/0x550 [ 761.695518] [] ? sock_common_setsockopt+0xe0/0xe0 [ 761.695525] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 761.695534] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 761.695542] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 761.695549] [] ? do_fast_syscall_32+0xcf/0xa10 [ 761.695556] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 761.695563] [] do_fast_syscall_32+0x2f1/0xa10 [ 761.695571] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 761.695579] [] entry_SYSENTER_compat+0x90/0xa2 [ 761.695582] Mem-Info: [ 761.695598] active_anon:5445 inactive_anon:42 isolated_anon:0 [ 761.695598] active_file:25 inactive_file:25 isolated_file:0 [ 761.695598] unevictable:0 dirty:0 writeback:0 unstable:0 [ 761.695598] slab_reclaimable:4597 slab_unreclaimable:57095 [ 761.695598] mapped:17 shmem:48 pagetables:368 bounce:0 [ 761.695598] free:4 free_pcp:16 free_cma:0 [ 761.695612] Node 0 active_anon:21780kB inactive_anon:168kB active_file:100kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 761.695630] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:32kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 761.695655] Normal free:16kB min:5580kB low:9168kB high:12756kB active_anon:21780kB inactive_anon:168kB active_file:100kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18388kB slab_unreclaimable:228348kB kernel_stack:3904kB pagetables:1472kB bounce:0kB free_pcp:64kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 761.695691] 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: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 124 total pagecache pages [ 761.695724] 0 pages in swap cache [ 761.695728] Swap cache stats: add 0, delete 0, find 0/0 [ 761.695730] Free swap = 0kB [ 761.695732] Total swap = 0kB [ 761.695734] 1965979 pages RAM [ 761.695736] 0 pages HighMem/MovableOnly [ 761.695738] 313617 pages reserved [ 761.704689] Mem-Info: [ 761.704707] active_anon:5445 inactive_anon:42 isolated_anon:0 [ 761.704707] active_file:25 inactive_file:25 isolated_file:0 [ 761.704707] unevictable:0 dirty:0 writeback:0 unstable:0 [ 761.704707] slab_reclaimable:4597 slab_unreclaimable:57095 [ 761.704707] mapped:17 shmem:48 pagetables:368 bounce:0 [ 761.704707] free:4 free_pcp:16 free_cma:0 [ 761.704720] Node 0 active_anon:21780kB inactive_anon:168kB active_file:100kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 761.704739] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:32kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 761.704766] Normal free:16kB min:5580kB low:9168kB high:12756kB active_anon:21780kB inactive_anon:168kB active_file:100kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18388kB slab_unreclaimable:228348kB kernel_stack:3904kB pagetables:1472kB bounce:0kB free_pcp:64kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 761.704805] 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: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 124 total pagecache pages [ 761.704839] 0 pages in swap cache [ 761.704843] Swap cache stats: add 0, delete 0, find 0/0 [ 761.704846] Free swap = 0kB [ 761.704848] Total swap = 0kB [ 761.704850] 1965979 pages RAM [ 761.704852] 0 pages HighMem/MovableOnly [ 761.704854] 313617 pages reserved [ 762.564642] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 762.564642] to free 144kB on behalf of 'syz-executor.5' (2327) because [ 762.564642] cache 228kB is below limit 6144kB for oom_score_adj 0 [ 762.564642] Free memory is -37364kB above reserved [ 763.064715] oom_reaper: page allocation failure: order:0, mode:0x2284020(GFP_ATOMIC|__GFP_COMP|__GFP_NOTRACK) [ 763.064723] CPU: 0 PID: 25 Comm: oom_reaper Not tainted 4.9.141+ #23 [ 763.064738] ffff8801db607418 ffffffff81b42e79 1ffff1003b6c0e85 ffff8801d9c217c0 [ 763.064747] ffffffff82a974e0 0000000000000000 0000000002284020 ffff8801db607560 [ 763.064757] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 763.064759] Call Trace: [ 763.064776] [ 763.064776] [] dump_stack+0xc1/0x128 [ 763.064785] [] warn_alloc.cold.31+0x7f/0x9c [ 763.064795] [] ? zone_watermark_ok_safe+0x250/0x250 [ 763.064803] [] ? get_page_from_freelist+0x23e/0x1d80 [ 763.064811] [] ? __lock_acquire+0x654/0x4a10 [ 763.064819] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 763.064826] [] ? trace_hardirqs_on+0x10/0x10 [ 763.064834] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 763.064842] [] ? check_preemption_disabled+0x3b/0x200 [ 763.064927] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 763.064957] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 763.064964] [] ? __unwind_start+0x14d/0x3b0 [ 763.064971] [] ? unwind_next_frame+0x7d/0xd0 [ 763.064979] [] new_slab+0x367/0x3d0 [ 763.064987] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 763.065025] [] ? dst_alloc+0xb5/0x1a0 [ 763.065032] [] ? kasan_kmalloc+0xaf/0xc0 [ 763.065039] [] ? kasan_slab_alloc+0x12/0x20 [ 763.065047] [] ? __kmalloc_track_caller+0xf0/0x2d0 [ 763.065055] [] ? __alloc_skb+0x11a/0x5b0 [ 763.065104] [] ? ndisc_alloc_skb+0x144/0x330 [ 763.065112] [] ? ndisc_send_rs+0x2ff/0x670 [ 763.065119] [] ? addrconf_rs_timer+0x27e/0x5a0 [ 763.065145] [] ? call_timer_fn+0x163/0x6e0 [ 763.065151] [] ? expire_timers+0x234/0x580 [ 763.065158] [] ? run_timer_softirq+0x208/0x5e0 [ 763.065165] [] ? check_preemption_disabled+0x3b/0x200 [ 763.065192] [] ? smp_apic_timer_interrupt+0x81/0xb0 [ 763.065199] [] ? dst_alloc+0xb5/0x1a0 [ 763.065208] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 763.065214] [] ? dst_alloc+0xb5/0x1a0 [ 763.065222] [] kmem_cache_alloc+0x212/0x2b0 [ 763.065229] [] dst_alloc+0xb5/0x1a0 [ 763.065236] [] __ip6_dst_alloc+0x31/0x130 [ 763.065242] [] ip6_dst_alloc+0x2d/0x1e0 [ 763.065249] [] ? icmp6_dst_alloc+0xe5/0x610 [ 763.065256] [] icmp6_dst_alloc+0x150/0x610 [ 763.065263] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 763.065270] [] ndisc_send_skb+0xcec/0x12e0 [ 763.065277] [] ? debug_lockdep_rcu_enabled+0x75/0x90 [ 763.065285] [] ? ndisc_alloc_skb+0x330/0x330 [ 763.065291] [] ? memset+0x31/0x40 [ 763.065299] [] ? __alloc_skb+0x3ae/0x5b0 [ 763.065306] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 763.065312] [] ? ipv6_get_ifaddr+0x300/0x510 [ 763.065320] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 763.065328] [] ndisc_send_rs+0x12a/0x670 [ 763.065335] [] addrconf_rs_timer+0x27e/0x5a0 [ 763.065341] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.065348] [] ? debug_object_deactivate+0x214/0x340 [ 763.065355] [] call_timer_fn+0x163/0x6e0 [ 763.065362] [] ? call_timer_fn+0xda/0x6e0 [ 763.065369] [] ? debug_object_deactivate+0x214/0x340 [ 763.065375] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.065381] [] ? process_timeout+0x20/0x20 [ 763.065388] [] ? expire_timers+0x226/0x580 [ 763.065395] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.065401] [] expire_timers+0x234/0x580 [ 763.065408] [] ? collect_expired_timers+0x1d5/0x2b0 [ 763.065422] [] run_timer_softirq+0x208/0x5e0 [ 763.065430] [] ? expire_timers+0x580/0x580 [ 763.065438] [] ? tick_program_event+0x103/0x180 [ 763.065445] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 763.065452] [] ? hrtimer_interrupt+0x1d7/0x430 [ 763.065459] [] ? check_preemption_disabled+0x3b/0x200 [ 763.065467] [] __do_softirq+0x20e/0x964 [ 763.065474] [] ? check_preemption_disabled+0x3b/0x200 [ 763.065482] [] irq_exit+0x11c/0x150 [ 763.065489] [] smp_apic_timer_interrupt+0x81/0xb0 [ 763.065496] [] apic_timer_interrupt+0x9d/0xb0 [ 763.065551] [ 763.065551] [] ? console_unlock+0x7a3/0xb50 [ 763.065560] [] ? console_unlock+0x7ae/0xb50 [ 763.065568] [] ? vprintk_emit+0x282/0x790 [ 763.065575] [] vprintk_emit+0x448/0x790 [ 763.065583] [] vprintk+0x28/0x30 [ 763.065590] [] vprintk_default+0x1d/0x30 [ 763.065606] [] printk+0xaf/0xd7 [ 763.065614] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 763.065622] [] __oom_reap_task_mm.cold.8+0x112/0x15e [ 763.065630] [] ? task_will_free_mem+0x620/0x620 [ 763.065637] [] oom_reaper+0x155/0x390 [ 763.065645] [] ? __oom_reap_task_mm+0x560/0x560 [ 763.065653] [] ? autoremove_wake_function.part.0+0x130/0x130 [ 763.065694] [] ? __kthread_parkme+0x175/0x240 [ 763.065701] [] kthread+0x26d/0x300 [ 763.065708] [] ? __oom_reap_task_mm+0x560/0x560 [ 763.065715] [] ? kthread_park+0xa0/0xa0 [ 763.065723] [] ? __switch_to_asm+0x34/0x70 [ 763.065730] [] ? kthread_park+0xa0/0xa0 [ 763.065737] [] ? kthread_park+0xa0/0xa0 [ 763.065743] [] ret_from_fork+0x5c/0x70 [ 763.065746] Mem-Info: [ 763.065762] active_anon:5438 inactive_anon:42 isolated_anon:0 [ 763.065762] active_file:0 inactive_file:25 isolated_file:0 [ 763.065762] unevictable:0 dirty:0 writeback:0 unstable:0 [ 763.065762] slab_reclaimable:4597 slab_unreclaimable:57095 [ 763.065762] mapped:30 shmem:48 pagetables:368 bounce:0 [ 763.065762] free:35 free_pcp:0 free_cma:0 [ 763.065775] Node 0 active_anon:21752kB inactive_anon:168kB active_file:0kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 763.065793] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:32kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 763.065817] Normal free:140kB min:5580kB low:9168kB high:12756kB active_anon:21752kB inactive_anon:168kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18388kB slab_unreclaimable:228348kB kernel_stack:3904kB pagetables:1472kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 763.065852] 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: 46*4kB (UM) 3*8kB (UM) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 208kB 105 total pagecache pages [ 763.065887] 0 pages in swap cache [ 763.065890] Swap cache stats: add 0, delete 0, find 0/0 [ 763.065892] Free swap = 0kB [ 763.065894] Total swap = 0kB [ 763.065896] 1965979 pages RAM [ 763.065899] 0 pages HighMem/MovableOnly [ 763.065901] 313617 pages reserved [ 763.065907] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 763.065913] cache: ip6_dst_cache, object size: 384, buffer size: 448, default order: 1, min order: 0 [ 763.065917] node 0: slabs: 19, objs: 342, free: 0 [ 763.065961] oom_reaper: page allocation failure: order:0, mode:0x2284020(GFP_ATOMIC|__GFP_COMP|__GFP_NOTRACK) [ 763.065968] CPU: 0 PID: 25 Comm: oom_reaper Not tainted 4.9.141+ #23 [ 763.065979] ffff8801db607418 ffffffff81b42e79 1ffff1003b6c0e85 ffff8801d9c217c0 [ 763.065989] ffffffff82a974e0 0000000000000000 0000000002284020 ffff8801db607560 [ 763.065999] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 763.066000] Call Trace: [ 763.066011] [ 763.066011] [] dump_stack+0xc1/0x128 [ 763.066019] [] warn_alloc.cold.31+0x7f/0x9c [ 763.066027] [] ? zone_watermark_ok_safe+0x250/0x250 [ 763.066034] [] ? get_page_from_freelist+0x23e/0x1d80 [ 763.066042] [] ? __lock_acquire+0x654/0x4a10 [ 763.066049] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 763.066084] [] ? kvm_sched_clock_read+0x9/0x20 [ 763.066098] [] ? sched_clock+0x9/0x10 [ 763.066106] [] ? down_trylock+0x50/0x70 [ 763.066114] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 763.066120] [] ? __unwind_start+0x14d/0x3b0 [ 763.066128] [] ? depot_save_stack+0x20f/0x470 [ 763.066153] [] ? get_stack_info+0x37/0x120 [ 763.066161] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 763.066167] [] ? __unwind_start+0x14d/0x3b0 [ 763.066174] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 763.066181] [] ? __unwind_start+0x14d/0x3b0 [ 763.066187] [] ? unwind_next_frame+0x7d/0xd0 [ 763.066195] [] new_slab+0x367/0x3d0 [ 763.066203] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 763.066210] [] ? dst_alloc+0xb5/0x1a0 [ 763.066216] [] ? kasan_kmalloc+0xaf/0xc0 [ 763.066223] [] ? kasan_slab_alloc+0x12/0x20 [ 763.066230] [] ? __kmalloc_track_caller+0xf0/0x2d0 [ 763.066238] [] ? __kmalloc_reserve.isra.5+0x33/0xc0 [ 763.066245] [] ? __alloc_skb+0x11a/0x5b0 [ 763.066252] [] ? ndisc_alloc_skb+0x144/0x330 [ 763.066259] [] ? ndisc_send_rs+0x2ff/0x670 [ 763.066266] [] ? addrconf_rs_timer+0x27e/0x5a0 [ 763.066272] [] ? call_timer_fn+0x163/0x6e0 [ 763.066278] [] ? expire_timers+0x234/0x580 [ 763.066285] [] ? run_timer_softirq+0x208/0x5e0 [ 763.066292] [] ? check_preemption_disabled+0x3b/0x200 [ 763.066299] [] ? smp_apic_timer_interrupt+0x81/0xb0 [ 763.066306] [] ? dst_alloc+0xb5/0x1a0 [ 763.066314] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 763.066321] [] ? dst_alloc+0xb5/0x1a0 [ 763.066329] [] kmem_cache_alloc+0x212/0x2b0 [ 763.066335] [] dst_alloc+0xb5/0x1a0 [ 763.066342] [] __ip6_dst_alloc+0x31/0x130 [ 763.066349] [] ip6_dst_alloc+0x2d/0x1e0 [ 763.066355] [] ? icmp6_dst_alloc+0xe5/0x610 [ 763.066363] [] icmp6_dst_alloc+0x150/0x610 [ 763.066369] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 763.066377] [] ndisc_send_skb+0xcec/0x12e0 [ 763.066384] [] ? debug_lockdep_rcu_enabled+0x75/0x90 [ 763.066392] [] ? ndisc_alloc_skb+0x330/0x330 [ 763.066398] [] ? memset+0x31/0x40 [ 763.066405] [] ? __alloc_skb+0x3ae/0x5b0 [ 763.066412] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 763.066427] [] ? ipv6_get_ifaddr+0x300/0x510 [ 763.066435] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 763.066442] [] ndisc_send_rs+0x12a/0x670 [ 763.066449] [] addrconf_rs_timer+0x27e/0x5a0 [ 763.066455] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.066463] [] ? debug_object_deactivate+0x214/0x340 [ 763.066469] [] ? call_timer_fn+0x18d/0x6e0 [ 763.066476] [] call_timer_fn+0x163/0x6e0 [ 763.066482] [] ? call_timer_fn+0xda/0x6e0 [ 763.066489] [] ? debug_object_deactivate+0x214/0x340 [ 763.066496] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.066502] [] ? process_timeout+0x20/0x20 [ 763.066509] [] ? expire_timers+0x226/0x580 [ 763.066516] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.066522] [] expire_timers+0x234/0x580 [ 763.066529] [] ? collect_expired_timers+0x1d5/0x2b0 [ 763.066535] [] run_timer_softirq+0x208/0x5e0 [ 763.066542] [] ? expire_timers+0x580/0x580 [ 763.066549] [] ? tick_program_event+0x103/0x180 [ 763.066556] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 763.066564] [] ? hrtimer_interrupt+0x1d7/0x430 [ 763.066571] [] ? check_preemption_disabled+0x3b/0x200 [ 763.066578] [] __do_softirq+0x20e/0x964 [ 763.066585] [] ? check_preemption_disabled+0x3b/0x200 [ 763.066592] [] irq_exit+0x11c/0x150 [ 763.066599] [] smp_apic_timer_interrupt+0x81/0xb0 [ 763.066607] [] apic_timer_interrupt+0x9d/0xb0 [ 763.066617] [ 763.066617] [] ? console_unlock+0x7a3/0xb50 [ 763.066625] [] ? console_unlock+0x7ae/0xb50 [ 763.066632] [] ? vprintk_emit+0x282/0x790 [ 763.066640] [] vprintk_emit+0x448/0x790 [ 763.066648] [] vprintk+0x28/0x30 [ 763.066655] [] vprintk_default+0x1d/0x30 [ 763.066662] [] printk+0xaf/0xd7 [ 763.066670] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 763.066678] [] __oom_reap_task_mm.cold.8+0x112/0x15e [ 763.066685] [] ? task_will_free_mem+0x620/0x620 [ 763.066693] [] oom_reaper+0x155/0x390 [ 763.066700] [] ? __oom_reap_task_mm+0x560/0x560 [ 763.066707] [] ? autoremove_wake_function.part.0+0x130/0x130 [ 763.066715] [] ? __kthread_parkme+0x175/0x240 [ 763.066722] [] kthread+0x26d/0x300 [ 763.066729] [] ? __oom_reap_task_mm+0x560/0x560 [ 763.066735] [] ? kthread_park+0xa0/0xa0 [ 763.066743] [] ? __switch_to_asm+0x34/0x70 [ 763.066749] [] ? kthread_park+0xa0/0xa0 [ 763.066756] [] ? kthread_park+0xa0/0xa0 [ 763.066763] [] ret_from_fork+0x5c/0x70 [ 763.066765] Mem-Info: [ 763.066780] active_anon:5438 inactive_anon:42 isolated_anon:0 [ 763.066780] active_file:0 inactive_file:25 isolated_file:0 [ 763.066780] unevictable:0 dirty:0 writeback:0 unstable:0 [ 763.066780] slab_reclaimable:4597 slab_unreclaimable:57095 [ 763.066780] mapped:30 shmem:48 pagetables:368 bounce:0 [ 763.066780] free:35 free_pcp:0 free_cma:0 [ 763.066792] Node 0 active_anon:21752kB inactive_anon:168kB active_file:0kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 763.066809] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:32kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 763.066833] Normal free:140kB min:5580kB low:9168kB high:12756kB active_anon:21752kB inactive_anon:168kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18388kB slab_unreclaimable:228348kB kernel_stack:3904kB pagetables:1472kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 763.066867] 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: 46*4kB (UM) 3*8kB (UM) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 208kB 105 total pagecache pages [ 763.066901] 0 pages in swap cache [ 763.066905] Swap cache stats: add 0, delete 0, find 0/0 [ 763.066907] Free swap = 0kB [ 763.066909] Total swap = 0kB [ 763.066911] 1965979 pages RAM [ 763.066912] 0 pages HighMem/MovableOnly [ 763.066914] 313617 pages reserved [ 763.066919] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 763.066925] cache: ip6_dst_cache, object size: 384, buffer size: 448, default order: 1, min order: 0 [ 763.066929] node 0: slabs: 19, objs: 342, free: 0 [ 763.149919] oom_reaper: page allocation failure: order:0, mode:0x2284020(GFP_ATOMIC|__GFP_COMP|__GFP_NOTRACK) [ 763.149927] CPU: 0 PID: 25 Comm: oom_reaper Not tainted 4.9.141+ #23 [ 763.149942] ffff8801db607418 ffffffff81b42e79 1ffff1003b6c0e85 ffff8801d9c217c0 [ 763.149952] ffffffff82a974e0 0000000000000000 0000000002284020 ffff8801db607560 [ 763.149961] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 763.149963] Call Trace: [ 763.149980] [ 763.149980] [] dump_stack+0xc1/0x128 [ 763.149989] [] warn_alloc.cold.31+0x7f/0x9c [ 763.149999] [] ? zone_watermark_ok_safe+0x250/0x250 [ 763.150007] [] ? get_page_from_freelist+0x23e/0x1d80 [ 763.150015] [] ? __lock_acquire+0x654/0x4a10 [ 763.150023] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 763.150032] [] ? kvm_sched_clock_read+0x9/0x20 [ 763.150039] [] ? sched_clock+0x9/0x10 [ 763.150047] [] ? down_trylock+0x50/0x70 [ 763.150055] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 763.150062] [] ? __unwind_start+0x14d/0x3b0 [ 763.150070] [] ? get_stack_info+0x37/0x120 [ 763.150078] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 763.150084] [] ? __unwind_start+0x14d/0x3b0 [ 763.150091] [] ? unwind_next_frame+0x7d/0xd0 [ 763.150099] [] new_slab+0x367/0x3d0 [ 763.150107] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 763.150116] [] ? dst_alloc+0xb5/0x1a0 [ 763.150123] [] ? kasan_kmalloc+0xaf/0xc0 [ 763.150129] [] ? kasan_slab_alloc+0x12/0x20 [ 763.150137] [] ? __kmalloc_track_caller+0xf0/0x2d0 [ 763.150146] [] ? __kmalloc_reserve.isra.5+0x33/0xc0 [ 763.150153] [] ? __alloc_skb+0x11a/0x5b0 [ 763.150163] [] ? ndisc_alloc_skb+0x144/0x330 [ 763.150170] [] ? ndisc_send_rs+0x2ff/0x670 [ 763.150177] [] ? addrconf_rs_timer+0x27e/0x5a0 [ 763.150184] [] ? call_timer_fn+0x163/0x6e0 [ 763.150190] [] ? expire_timers+0x234/0x580 [ 763.150197] [] ? run_timer_softirq+0x208/0x5e0 [ 763.150205] [] ? check_preemption_disabled+0x3b/0x200 [ 763.150213] [] ? smp_apic_timer_interrupt+0x81/0xb0 [ 763.150220] [] ? dst_alloc+0xb5/0x1a0 [ 763.150228] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 763.150235] [] ? dst_alloc+0xb5/0x1a0 [ 763.150242] [] kmem_cache_alloc+0x212/0x2b0 [ 763.150249] [] dst_alloc+0xb5/0x1a0 [ 763.150256] [] __ip6_dst_alloc+0x31/0x130 [ 763.150263] [] ip6_dst_alloc+0x2d/0x1e0 [ 763.150270] [] ? icmp6_dst_alloc+0xe5/0x610 [ 763.150277] [] icmp6_dst_alloc+0x150/0x610 [ 763.150284] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 763.150291] [] ndisc_send_skb+0xcec/0x12e0 [ 763.150299] [] ? debug_lockdep_rcu_enabled+0x75/0x90 [ 763.150307] [] ? ndisc_alloc_skb+0x330/0x330 [ 763.150313] [] ? memset+0x31/0x40 [ 763.150320] [] ? __alloc_skb+0x3ae/0x5b0 [ 763.150327] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 763.150334] [] ? ipv6_get_ifaddr+0x300/0x510 [ 763.150342] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 763.150349] [] ndisc_send_rs+0x12a/0x670 [ 763.150356] [] addrconf_rs_timer+0x27e/0x5a0 [ 763.150363] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.150370] [] ? debug_object_deactivate+0x214/0x340 [ 763.150376] [] call_timer_fn+0x163/0x6e0 [ 763.150383] [] ? call_timer_fn+0xda/0x6e0 [ 763.150390] [] ? debug_object_deactivate+0x214/0x340 [ 763.150396] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.150402] [] ? process_timeout+0x20/0x20 [ 763.150409] [] ? expire_timers+0x226/0x580 [ 763.150425] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.150431] [] expire_timers+0x234/0x580 [ 763.150438] [] ? collect_expired_timers+0x1d5/0x2b0 [ 763.150445] [] run_timer_softirq+0x208/0x5e0 [ 763.150451] [] ? expire_timers+0x580/0x580 [ 763.150460] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 763.150468] [] ? hrtimer_interrupt+0x1d7/0x430 [ 763.150475] [] ? check_preemption_disabled+0x3b/0x200 [ 763.150482] [] __do_softirq+0x20e/0x964 [ 763.150489] [] ? check_preemption_disabled+0x3b/0x200 [ 763.150497] [] irq_exit+0x11c/0x150 [ 763.150504] [] smp_apic_timer_interrupt+0x81/0xb0 [ 763.150511] [] apic_timer_interrupt+0x9d/0xb0 [ 763.150522] [ 763.150523] [] ? console_unlock+0x7a3/0xb50 [ 763.150531] [] ? console_unlock+0x7ae/0xb50 [ 763.150538] [] ? vprintk_emit+0x282/0x790 [ 763.150546] [] vprintk_emit+0x448/0x790 [ 763.150554] [] vprintk+0x28/0x30 [ 763.150561] [] vprintk_default+0x1d/0x30 [ 763.150569] [] printk+0xaf/0xd7 [ 763.150577] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 763.150584] [] __oom_reap_task_mm.cold.8+0x112/0x15e [ 763.150592] [] ? task_will_free_mem+0x620/0x620 [ 763.150600] [] oom_reaper+0x155/0x390 [ 763.150607] [] ? __oom_reap_task_mm+0x560/0x560 [ 763.150615] [] ? autoremove_wake_function.part.0+0x130/0x130 [ 763.150624] [] ? __kthread_parkme+0x175/0x240 [ 763.150630] [] kthread+0x26d/0x300 [ 763.150638] [] ? __oom_reap_task_mm+0x560/0x560 [ 763.150644] [] ? kthread_park+0xa0/0xa0 [ 763.150652] [] ? __switch_to_asm+0x34/0x70 [ 763.150659] [] ? kthread_park+0xa0/0xa0 [ 763.150665] [] ? kthread_park+0xa0/0xa0 [ 763.150672] [] ret_from_fork+0x5c/0x70 [ 763.150675] Mem-Info: [ 763.150691] active_anon:5438 inactive_anon:42 isolated_anon:0 [ 763.150691] active_file:0 inactive_file:25 isolated_file:0 [ 763.150691] unevictable:0 dirty:0 writeback:0 unstable:0 [ 763.150691] slab_reclaimable:4597 slab_unreclaimable:57095 [ 763.150691] mapped:30 shmem:48 pagetables:368 bounce:0 [ 763.150691] free:35 free_pcp:0 free_cma:0 [ 763.150704] Node 0 active_anon:21752kB inactive_anon:168kB active_file:0kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 763.150721] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:32kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 763.150745] Normal free:140kB min:5580kB low:9168kB high:12756kB active_anon:21752kB inactive_anon:168kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18388kB slab_unreclaimable:228348kB kernel_stack:3904kB pagetables:1472kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 763.150780] 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: 46*4kB (UM) 3*8kB (UM) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 208kB 105 total pagecache pages [ 763.150814] 0 pages in swap cache [ 763.150818] Swap cache stats: add 0, delete 0, find 0/0 [ 763.150820] Free swap = 0kB [ 763.150822] Total swap = 0kB [ 763.150825] 1965979 pages RAM [ 763.150827] 0 pages HighMem/MovableOnly [ 763.150829] 313617 pages reserved [ 763.150835] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 763.150840] cache: ip6_dst_cache, object size: 384, buffer size: 448, default order: 1, min order: 0 [ 763.150845] node 0: slabs: 19, objs: 342, free: 0 [ 763.150882] oom_reaper: page allocation failure: order:0, mode:0x2284020(GFP_ATOMIC|__GFP_COMP|__GFP_NOTRACK) [ 763.150889] CPU: 0 PID: 25 Comm: oom_reaper Not tainted 4.9.141+ #23 [ 763.150900] ffff8801db607418 ffffffff81b42e79 1ffff1003b6c0e85 ffff8801d9c217c0 [ 763.150909] ffffffff82a974e0 0000000000000000 0000000002284020 ffff8801db607560 [ 763.150918] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 763.150919] Call Trace: [ 763.150930] [ 763.150930] [] dump_stack+0xc1/0x128 [ 763.150938] [] warn_alloc.cold.31+0x7f/0x9c [ 763.150945] [] ? zone_watermark_ok_safe+0x250/0x250 [ 763.150953] [] ? get_page_from_freelist+0x23e/0x1d80 [ 763.150960] [] ? __lock_acquire+0x654/0x4a10 [ 763.150968] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 763.150975] [] ? kvm_sched_clock_read+0x9/0x20 [ 763.150982] [] ? sched_clock+0x9/0x10 [ 763.150989] [] ? down_trylock+0x50/0x70 [ 763.150997] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 763.151003] [] ? __unwind_start+0x14d/0x3b0 [ 763.151010] [] ? get_stack_info+0x37/0x120 [ 763.151018] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 763.151024] [] ? __unwind_start+0x14d/0x3b0 [ 763.151031] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 763.151038] [] ? __unwind_start+0x14d/0x3b0 [ 763.151044] [] ? unwind_next_frame+0x7d/0xd0 [ 763.151052] [] new_slab+0x367/0x3d0 [ 763.151060] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 763.151067] [] ? dst_alloc+0xb5/0x1a0 [ 763.151073] [] ? kasan_kmalloc+0xaf/0xc0 [ 763.151080] [] ? kasan_slab_alloc+0x12/0x20 [ 763.151087] [] ? __kmalloc_track_caller+0xf0/0x2d0 [ 763.151095] [] ? __kmalloc_reserve.isra.5+0x33/0xc0 [ 763.151102] [] ? __alloc_skb+0x11a/0x5b0 [ 763.151109] [] ? ndisc_alloc_skb+0x144/0x330 [ 763.151116] [] ? ndisc_send_rs+0x2ff/0x670 [ 763.151122] [] ? addrconf_rs_timer+0x27e/0x5a0 [ 763.151129] [] ? call_timer_fn+0x163/0x6e0 [ 763.151135] [] ? expire_timers+0x234/0x580 [ 763.151141] [] ? run_timer_softirq+0x208/0x5e0 [ 763.151149] [] ? check_preemption_disabled+0x3b/0x200 [ 763.151156] [] ? smp_apic_timer_interrupt+0x81/0xb0 [ 763.151163] [] ? dst_alloc+0xb5/0x1a0 [ 763.151171] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 763.151178] [] ? dst_alloc+0xb5/0x1a0 [ 763.151185] [] kmem_cache_alloc+0x212/0x2b0 [ 763.151192] [] dst_alloc+0xb5/0x1a0 [ 763.151199] [] __ip6_dst_alloc+0x31/0x130 [ 763.151206] [] ip6_dst_alloc+0x2d/0x1e0 [ 763.151212] [] ? icmp6_dst_alloc+0xe5/0x610 [ 763.151219] [] icmp6_dst_alloc+0x150/0x610 [ 763.151226] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 763.151234] [] ndisc_send_skb+0xcec/0x12e0 [ 763.151241] [] ? debug_lockdep_rcu_enabled+0x75/0x90 [ 763.151249] [] ? ndisc_alloc_skb+0x330/0x330 [ 763.151254] [] ? memset+0x31/0x40 [ 763.151262] [] ? __alloc_skb+0x3ae/0x5b0 [ 763.151269] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 763.151276] [] ? ipv6_get_ifaddr+0x300/0x510 [ 763.151284] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 763.151291] [] ndisc_send_rs+0x12a/0x670 [ 763.151298] [] addrconf_rs_timer+0x27e/0x5a0 [ 763.151304] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.151312] [] ? debug_object_deactivate+0x214/0x340 [ 763.151318] [] ? call_timer_fn+0x18d/0x6e0 [ 763.151324] [] call_timer_fn+0x163/0x6e0 [ 763.151331] [] ? call_timer_fn+0xda/0x6e0 [ 763.151338] [] ? debug_object_deactivate+0x214/0x340 [ 763.151344] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.151351] [] ? process_timeout+0x20/0x20 [ 763.151357] [] ? expire_timers+0x226/0x580 [ 763.151364] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.151370] [] expire_timers+0x234/0x580 [ 763.151377] [] ? collect_expired_timers+0x1d5/0x2b0 [ 763.151384] [] run_timer_softirq+0x208/0x5e0 [ 763.151390] [] ? expire_timers+0x580/0x580 [ 763.151398] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 763.151405] [] ? hrtimer_interrupt+0x1d7/0x430 [ 763.151412] [] ? check_preemption_disabled+0x3b/0x200 [ 763.151427] [] __do_softirq+0x20e/0x964 [ 763.151434] [] ? check_preemption_disabled+0x3b/0x200 [ 763.151441] [] irq_exit+0x11c/0x150 [ 763.151448] [] smp_apic_timer_interrupt+0x81/0xb0 [ 763.151455] [] apic_timer_interrupt+0x9d/0xb0 [ 763.151466] [ 763.151466] [] ? console_unlock+0x7a3/0xb50 [ 763.151473] [] ? console_unlock+0x7ae/0xb50 [ 763.151481] [] ? vprintk_emit+0x282/0x790 [ 763.151489] [] vprintk_emit+0x448/0x790 [ 763.151496] [] vprintk+0x28/0x30 [ 763.151504] [] vprintk_default+0x1d/0x30 [ 763.151511] [] printk+0xaf/0xd7 [ 763.151518] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 763.151527] [] __oom_reap_task_mm.cold.8+0x112/0x15e [ 763.151534] [] ? task_will_free_mem+0x620/0x620 [ 763.151542] [] oom_reaper+0x155/0x390 [ 763.151549] [] ? __oom_reap_task_mm+0x560/0x560 [ 763.151557] [] ? autoremove_wake_function.part.0+0x130/0x130 [ 763.151564] [] ? __kthread_parkme+0x175/0x240 [ 763.151571] [] kthread+0x26d/0x300 [ 763.151578] [] ? __oom_reap_task_mm+0x560/0x560 [ 763.151585] [] ? kthread_park+0xa0/0xa0 [ 763.151592] [] ? __switch_to_asm+0x34/0x70 [ 763.151599] [] ? kthread_park+0xa0/0xa0 [ 763.151606] [] ? kthread_park+0xa0/0xa0 [ 763.151612] [] ret_from_fork+0x5c/0x70 [ 763.151615] Mem-Info: [ 763.151629] active_anon:5438 inactive_anon:42 isolated_anon:0 [ 763.151629] active_file:0 inactive_file:25 isolated_file:0 [ 763.151629] unevictable:0 dirty:0 writeback:0 unstable:0 [ 763.151629] slab_reclaimable:4597 slab_unreclaimable:57095 [ 763.151629] mapped:30 shmem:48 pagetables:368 bounce:0 [ 763.151629] free:35 free_pcp:0 free_cma:0 [ 763.151642] Node 0 active_anon:21752kB inactive_anon:168kB active_file:0kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 763.151658] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:32kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 763.151681] Normal free:140kB min:5580kB low:9168kB high:12756kB active_anon:21752kB inactive_anon:168kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18388kB slab_unreclaimable:228348kB kernel_stack:3904kB pagetables:1472kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 763.151711] 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: 46*4kB (UM) 3*8kB (UM) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 208kB 105 total pagecache pages [ 763.151744] 0 pages in swap cache [ 763.151748] Swap cache stats: add 0, delete 0, find 0/0 [ 763.151750] Free swap = 0kB [ 763.151752] Total swap = 0kB [ 763.151754] 1965979 pages RAM [ 763.151756] 0 pages HighMem/MovableOnly [ 763.151758] 313617 pages reserved [ 763.151763] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 763.151768] cache: ip6_dst_cache, object size: 384, buffer size: 448, default order: 1, min order: 0 [ 763.151772] node 0: slabs: 19, objs: 342, free: 0 [ 763.224558] syz-execprog: page allocation failure: order:0, mode:0x2284020(GFP_ATOMIC|__GFP_COMP|__GFP_NOTRACK) [ 763.224567] CPU: 0 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 763.224582] ffff8801db607418 ffffffff81b42e79 1ffff1003b6c0e85 ffff8801ca8197c0 [ 763.224592] ffffffff82a974e0 0000000000000000 0000000002284020 ffff8801db607560 [ 763.224601] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 763.224603] Call Trace: [ 763.224618] [ 763.224619] [] dump_stack+0xc1/0x128 [ 763.224628] [] warn_alloc.cold.31+0x7f/0x9c [ 763.224637] [] ? zone_watermark_ok_safe+0x250/0x250 [ 763.224644] [] ? get_page_from_freelist+0x23e/0x1d80 [ 763.224652] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 763.224661] [] ? kvm_sched_clock_read+0x9/0x20 [ 763.224668] [] ? sched_clock+0x9/0x10 [ 763.224676] [] ? down_trylock+0x50/0x70 [ 763.224684] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 763.224690] [] ? __unwind_start+0x14d/0x3b0 [ 763.224698] [] ? get_stack_info+0x37/0x120 [ 763.224705] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 763.224711] [] ? __unwind_start+0x14d/0x3b0 [ 763.224717] [] ? unwind_next_frame+0x7d/0xd0 [ 763.224725] [] new_slab+0x367/0x3d0 [ 763.224733] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 763.224741] [] ? dst_alloc+0xb5/0x1a0 [ 763.224748] [] ? kasan_kmalloc+0xaf/0xc0 [ 763.224754] [] ? kasan_slab_alloc+0x12/0x20 [ 763.224761] [] ? __kmalloc_track_caller+0xf0/0x2d0 [ 763.224769] [] ? __kmalloc_reserve.isra.5+0x33/0xc0 [ 763.224776] [] ? __alloc_skb+0x11a/0x5b0 [ 763.224784] [] ? check_preemption_disabled+0x3b/0x200 [ 763.224791] [] ? dst_alloc+0xb5/0x1a0 [ 763.224798] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 763.224805] [] ? dst_alloc+0xb5/0x1a0 [ 763.224811] [] kmem_cache_alloc+0x212/0x2b0 [ 763.224887] [] ? handle_mm_fault+0x1326/0x2350 [ 763.224894] [] dst_alloc+0xb5/0x1a0 [ 763.224902] [] __ip6_dst_alloc+0x31/0x130 [ 763.224908] [] ip6_dst_alloc+0x2d/0x1e0 [ 763.224922] [] ? icmp6_dst_alloc+0xe5/0x610 [ 763.224928] [] icmp6_dst_alloc+0x150/0x610 [ 763.224935] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 763.224943] [] ndisc_send_skb+0xcec/0x12e0 [ 763.224950] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 763.224957] [] ? ndisc_alloc_skb+0x330/0x330 [ 763.224963] [] ? memset+0x31/0x40 [ 763.224970] [] ? __alloc_skb+0x3ae/0x5b0 [ 763.224977] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 763.224983] [] ? ipv6_get_ifaddr+0x300/0x510 [ 763.224991] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 763.224998] [] ndisc_send_rs+0x12a/0x670 [ 763.225004] [] addrconf_rs_timer+0x27e/0x5a0 [ 763.225011] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.225018] [] call_timer_fn+0x163/0x6e0 [ 763.225024] [] ? call_timer_fn+0xda/0x6e0 [ 763.225030] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.225036] [] ? process_timeout+0x20/0x20 [ 763.225042] [] ? mark_held_locks+0xc7/0x130 [ 763.225049] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 763.225055] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.225062] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 763.225068] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.225074] [] expire_timers+0x234/0x580 [ 763.225080] [] ? collect_expired_timers+0x1d5/0x2b0 [ 763.225086] [] run_timer_softirq+0x208/0x5e0 [ 763.225093] [] ? expire_timers+0x580/0x580 [ 763.225100] [] ? check_preemption_disabled+0x3b/0x200 [ 763.225108] [] __do_softirq+0x20e/0x964 [ 763.225114] [] ? check_preemption_disabled+0x3b/0x200 [ 763.225122] [] irq_exit+0x11c/0x150 [ 763.225129] [] smp_apic_timer_interrupt+0x81/0xb0 [ 763.225136] [] apic_timer_interrupt+0x9d/0xb0 [ 763.225145] [ 763.225145] [] ? lock_release+0x557/0xc20 [ 763.225185] [] ? lowmem_scan+0x4d6/0xaf0 [ 763.225191] [] _raw_spin_unlock+0x1a/0x50 [ 763.225197] [] lowmem_scan+0x4d6/0xaf0 [ 763.225216] [] ? lowmem_scan+0x24e/0xaf0 [ 763.225223] [] ? check_preemption_disabled+0x3b/0x200 [ 763.225248] [] shrink_slab.part.8+0x3c6/0xa00 [ 763.225255] [] ? unregister_shrinker+0x230/0x230 [ 763.225262] [] shrink_node+0x1ed/0x740 [ 763.225281] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 763.225306] [] ? __delayacct_freepages_start+0x41/0x80 [ 763.225313] [] try_to_free_pages+0x377/0xb80 [ 763.225320] [] ? shrink_node+0x740/0x740 [ 763.225328] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 763.225335] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 763.225343] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 763.225351] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 763.225370] [] ? find_get_entry+0x11a/0x570 [ 763.225377] [] ? find_get_entry+0x141/0x570 [ 763.225383] [] ? page_cache_prev_hole+0x80/0x80 [ 763.225390] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 763.225397] [] ? pagecache_get_page+0x131/0x710 [ 763.225403] [] filemap_fault+0xaf1/0x1110 [ 763.225442] [] ext4_filemap_fault+0x71/0xa0 [ 763.225449] [] __do_fault+0x223/0x500 [ 763.225467] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 763.225474] [] ? generic_file_readonly_mmap+0x190/0x190 [ 763.225481] [] handle_mm_fault+0x1326/0x2350 [ 763.225487] [] ? vm_insert_page+0x6f0/0x6f0 [ 763.225494] [] ? kvm_clock_read+0x23/0x40 [ 763.225501] [] ? kvm_clock_get_cycles+0x9/0x10 [ 763.225508] [] __do_page_fault+0x403/0xa60 [ 763.225515] [] ? bad_area_access_error+0x3a0/0x3a0 [ 763.225524] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 763.225530] [] do_page_fault+0x27/0x30 [ 763.225536] [] page_fault+0x25/0x30 [ 763.225539] Mem-Info: [ 763.225555] active_anon:5438 inactive_anon:42 isolated_anon:0 [ 763.225555] active_file:0 inactive_file:25 isolated_file:0 [ 763.225555] unevictable:0 dirty:0 writeback:0 unstable:0 [ 763.225555] slab_reclaimable:4597 slab_unreclaimable:57095 [ 763.225555] mapped:30 shmem:48 pagetables:368 bounce:0 [ 763.225555] free:35 free_pcp:0 free_cma:0 [ 763.225568] Node 0 active_anon:21752kB inactive_anon:168kB active_file:0kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 763.225584] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:32kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 763.225608] Normal free:140kB min:5580kB low:9168kB high:12756kB active_anon:21752kB inactive_anon:168kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18388kB slab_unreclaimable:228348kB kernel_stack:3904kB pagetables:1472kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 763.225651] 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: 46*4kB (UM) 3*8kB (UM) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 208kB 105 total pagecache pages [ 763.225685] 0 pages in swap cache [ 763.225689] Swap cache stats: add 0, delete 0, find 0/0 [ 763.225691] Free swap = 0kB [ 763.225693] Total swap = 0kB [ 763.225695] 1965979 pages RAM [ 763.225696] 0 pages HighMem/MovableOnly [ 763.225698] 313617 pages reserved [ 763.225803] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 763.225808] cache: ip6_dst_cache, object size: 384, buffer size: 448, default order: 1, min order: 0 [ 763.225821] node 0: slabs: 19, objs: 342, free: 0 [ 763.225865] syz-execprog: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 763.225871] CPU: 0 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 763.225882] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb ffff8801ca8197c0 [ 763.225891] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 763.225900] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 763.225902] Call Trace: [ 763.225911] [ 763.225912] [] dump_stack+0xc1/0x128 [ 763.225918] [] warn_alloc.cold.31+0x7f/0x9c [ 763.225926] [] ? zone_watermark_ok_safe+0x250/0x250 [ 763.225934] [] ? get_page_from_freelist+0x23e/0x1d80 [ 763.225942] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 763.225948] [] ? trace_hardirqs_on+0xd/0x10 [ 763.225955] [] ? kasan_slab_free+0x119/0x190 [ 763.225962] [] ? save_stack_trace+0x16/0x20 [ 763.225969] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 763.225976] [] ? __do_softirq+0x20e/0x964 [ 763.225982] [] ? irq_exit+0x11c/0x150 [ 763.225988] [] ? smp_apic_timer_interrupt+0x81/0xb0 [ 763.225995] [] ? apic_timer_interrupt+0x9d/0xb0 [ 763.226001] [] ? _raw_spin_unlock+0x1a/0x50 [ 763.226007] [] ? lowmem_scan+0x4d6/0xaf0 [ 763.226014] [] ? shrink_slab.part.8+0x3c6/0xa00 [ 763.226020] [] ? shrink_node+0x1ed/0x740 [ 763.226026] [] ? try_to_free_pages+0x377/0xb80 [ 763.226033] [] ? trace_hardirqs_on+0x10/0x10 [ 763.226040] [] ? debug_object_activate+0x4e0/0x4e0 [ 763.226047] [] new_slab+0x367/0x3d0 [ 763.226055] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 763.226062] [] ? __alloc_skb+0xe6/0x5b0 [ 763.226068] [] ? trace_hardirqs_on+0x10/0x10 [ 763.226075] [] ? check_preemption_disabled+0x3b/0x200 [ 763.226082] [] ? __alloc_skb+0xe6/0x5b0 [ 763.226089] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 763.226109] [] ? __alloc_skb+0xe6/0x5b0 [ 763.226116] [] kmem_cache_alloc+0x212/0x2b0 [ 763.226121] [] ? mark_held_locks+0xc7/0x130 [ 763.226128] [] __alloc_skb+0xe6/0x5b0 [ 763.226135] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 763.226141] [] ? ipv6_get_ifaddr+0x300/0x510 [ 763.226146] [] ? trace_hardirqs_on+0xd/0x10 [ 763.226164] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 763.226172] [] ndisc_alloc_skb+0x144/0x330 [ 763.226179] [] ndisc_send_rs+0x2ff/0x670 [ 763.226185] [] ? __ipv6_get_lladdr+0x250/0x250 [ 763.226191] [] addrconf_rs_timer+0x27e/0x5a0 [ 763.226197] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.226203] [] call_timer_fn+0x163/0x6e0 [ 763.226209] [] ? call_timer_fn+0xda/0x6e0 [ 763.226215] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.226221] [] ? process_timeout+0x20/0x20 [ 763.226227] [] ? mark_held_locks+0xc7/0x130 [ 763.226234] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 763.226240] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.226246] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 763.226252] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.226258] [] expire_timers+0x234/0x580 [ 763.226265] [] ? collect_expired_timers+0x1d5/0x2b0 [ 763.226271] [] run_timer_softirq+0x208/0x5e0 [ 763.226277] [] ? expire_timers+0x580/0x580 [ 763.226284] [] ? check_preemption_disabled+0x3b/0x200 [ 763.226291] [] __do_softirq+0x20e/0x964 [ 763.226298] [] ? check_preemption_disabled+0x3b/0x200 [ 763.226304] [] irq_exit+0x11c/0x150 [ 763.226311] [] smp_apic_timer_interrupt+0x81/0xb0 [ 763.226318] [] apic_timer_interrupt+0x9d/0xb0 [ 763.226326] [ 763.226327] [] ? lock_release+0x557/0xc20 [ 763.226333] [] ? lowmem_scan+0x4d6/0xaf0 [ 763.226339] [] _raw_spin_unlock+0x1a/0x50 [ 763.226345] [] lowmem_scan+0x4d6/0xaf0 [ 763.226351] [] ? lowmem_scan+0x24e/0xaf0 [ 763.226357] [] ? check_preemption_disabled+0x3b/0x200 [ 763.226364] [] shrink_slab.part.8+0x3c6/0xa00 [ 763.226372] [] ? unregister_shrinker+0x230/0x230 [ 763.226392] [] shrink_node+0x1ed/0x740 [ 763.226399] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 763.226406] [] ? __delayacct_freepages_start+0x41/0x80 [ 763.226432] [] try_to_free_pages+0x377/0xb80 [ 763.226439] [] ? shrink_node+0x740/0x740 [ 763.226460] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 763.226466] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 763.226486] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 763.226492] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 763.226499] [] ? find_get_entry+0x11a/0x570 [ 763.226505] [] ? find_get_entry+0x141/0x570 [ 763.226512] [] ? page_cache_prev_hole+0x80/0x80 [ 763.226519] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 763.226525] [] ? pagecache_get_page+0x131/0x710 [ 763.226532] [] filemap_fault+0xaf1/0x1110 [ 763.226552] [] ext4_filemap_fault+0x71/0xa0 [ 763.226558] [] __do_fault+0x223/0x500 [ 763.226564] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 763.226583] [] ? generic_file_readonly_mmap+0x190/0x190 [ 763.226589] [] handle_mm_fault+0x1326/0x2350 [ 763.226596] [] ? vm_insert_page+0x6f0/0x6f0 [ 763.226602] [] ? kvm_clock_read+0x23/0x40 [ 763.226609] [] ? kvm_clock_get_cycles+0x9/0x10 [ 763.226616] [] __do_page_fault+0x403/0xa60 [ 763.226623] [] ? bad_area_access_error+0x3a0/0x3a0 [ 763.226631] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 763.226637] [] do_page_fault+0x27/0x30 [ 763.226643] [] page_fault+0x25/0x30 [ 763.226646] Mem-Info: [ 763.226660] active_anon:5438 inactive_anon:42 isolated_anon:0 [ 763.226660] active_file:0 inactive_file:25 isolated_file:0 [ 763.226660] unevictable:0 dirty:0 writeback:0 unstable:0 [ 763.226660] slab_reclaimable:4597 slab_unreclaimable:57095 [ 763.226660] mapped:30 shmem:48 pagetables:368 bounce:0 [ 763.226660] free:35 free_pcp:0 free_cma:0 [ 763.226672] Node 0 active_anon:21752kB inactive_anon:168kB active_file:0kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 763.226687] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:32kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 763.226710] Normal free:140kB min:5580kB low:9168kB high:12756kB active_anon:21752kB inactive_anon:168kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18388kB slab_unreclaimable:228348kB kernel_stack:3904kB pagetables:1472kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 763.226744] 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: 46*4kB (UM) 3*8kB (UM) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 208kB 105 total pagecache pages [ 763.226777] 0 pages in swap cache [ 763.226780] Swap cache stats: add 0, delete 0, find 0/0 [ 763.226782] Free swap = 0kB [ 763.226784] Total swap = 0kB [ 763.226786] 1965979 pages RAM [ 763.226788] 0 pages HighMem/MovableOnly [ 763.226789] 313617 pages reserved [ 763.226795] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 763.226800] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 763.226804] node 0: slabs: 624, objs: 7488, free: 0 [ 763.226833] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 763.308617] oom_reaper: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 763.308626] CPU: 0 PID: 25 Comm: oom_reaper Not tainted 4.9.141+ #23 [ 763.308640] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb ffff8801d9c217c0 [ 763.308650] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 763.308659] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 763.308661] Call Trace: [ 763.308678] [ 763.308678] [] dump_stack+0xc1/0x128 [ 763.308687] [] warn_alloc.cold.31+0x7f/0x9c [ 763.308698] [] ? zone_watermark_ok_safe+0x250/0x250 [ 763.308706] [] ? get_page_from_freelist+0x23e/0x1d80 [ 763.308715] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 763.308723] [] ? get_stack_info+0x37/0x120 [ 763.308731] [] ? __lock_acquire+0x654/0x4a10 [ 763.308739] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 763.308746] [] ? trace_hardirqs_on+0x10/0x10 [ 763.308754] [] ? cpuacct_charge+0x1db/0x360 [ 763.308762] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 763.308770] [] new_slab+0x367/0x3d0 [ 763.308777] [] ? cpuacct_charge+0x1db/0x360 [ 763.308786] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 763.308794] [] ? check_preemption_disabled+0x3b/0x200 [ 763.308803] [] ? __alloc_skb+0xe6/0x5b0 [ 763.308875] [] ? __enqueue_entity+0x138/0x230 [ 763.308884] [] ? account_entity_enqueue+0x20f/0x370 [ 763.308891] [] ? check_preemption_disabled+0x3b/0x200 [ 763.308898] [] ? __alloc_skb+0xe6/0x5b0 [ 763.308906] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 763.308913] [] ? __alloc_skb+0xe6/0x5b0 [ 763.308919] [] kmem_cache_alloc+0x212/0x2b0 [ 763.308927] [] __alloc_skb+0xe6/0x5b0 [ 763.308934] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 763.308942] [] ? ipv6_get_ifaddr+0x300/0x510 [ 763.308948] [] ? trace_hardirqs_on+0xd/0x10 [ 763.308956] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 763.308965] [] ndisc_alloc_skb+0x144/0x330 [ 763.308972] [] ndisc_send_rs+0x2ff/0x670 [ 763.308979] [] ? __ipv6_get_lladdr+0x250/0x250 [ 763.308985] [] addrconf_rs_timer+0x27e/0x5a0 [ 763.308992] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.308999] [] ? debug_object_deactivate+0x214/0x340 [ 763.309007] [] call_timer_fn+0x163/0x6e0 [ 763.309013] [] ? call_timer_fn+0xda/0x6e0 [ 763.309021] [] ? debug_object_deactivate+0x214/0x340 [ 763.309027] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.309033] [] ? process_timeout+0x20/0x20 [ 763.309039] [] ? expire_timers+0x226/0x580 [ 763.309046] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.309052] [] expire_timers+0x234/0x580 [ 763.309059] [] ? collect_expired_timers+0x1d5/0x2b0 [ 763.309066] [] run_timer_softirq+0x208/0x5e0 [ 763.309073] [] ? expire_timers+0x580/0x580 [ 763.309081] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 763.309088] [] ? hrtimer_interrupt+0x1d7/0x430 [ 763.309096] [] ? check_preemption_disabled+0x3b/0x200 [ 763.309104] [] __do_softirq+0x20e/0x964 [ 763.309111] [] ? check_preemption_disabled+0x3b/0x200 [ 763.309118] [] irq_exit+0x11c/0x150 [ 763.309126] [] smp_apic_timer_interrupt+0x81/0xb0 [ 763.309133] [] apic_timer_interrupt+0x9d/0xb0 [ 763.309144] [ 763.309144] [] ? console_unlock+0x7a3/0xb50 [ 763.309152] [] ? console_unlock+0x7ae/0xb50 [ 763.309160] [] ? vprintk_emit+0x282/0x790 [ 763.309167] [] vprintk_emit+0x448/0x790 [ 763.309175] [] vprintk+0x28/0x30 [ 763.309182] [] vprintk_default+0x1d/0x30 [ 763.309190] [] printk+0xaf/0xd7 [ 763.309198] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 763.309206] [] __oom_reap_task_mm.cold.8+0x112/0x15e [ 763.309214] [] ? task_will_free_mem+0x620/0x620 [ 763.309221] [] oom_reaper+0x155/0x390 [ 763.309229] [] ? __oom_reap_task_mm+0x560/0x560 [ 763.309236] [] ? autoremove_wake_function.part.0+0x130/0x130 [ 763.309245] [] ? __kthread_parkme+0x175/0x240 [ 763.309251] [] kthread+0x26d/0x300 [ 763.309259] [] ? __oom_reap_task_mm+0x560/0x560 [ 763.309265] [] ? kthread_park+0xa0/0xa0 [ 763.309273] [] ? __switch_to_asm+0x34/0x70 [ 763.309280] [] ? kthread_park+0xa0/0xa0 [ 763.309287] [] ? kthread_park+0xa0/0xa0 [ 763.309293] [] ret_from_fork+0x5c/0x70 [ 763.309296] Mem-Info: [ 763.309313] active_anon:5438 inactive_anon:42 isolated_anon:0 [ 763.309313] active_file:1 inactive_file:39 isolated_file:0 [ 763.309313] unevictable:0 dirty:0 writeback:0 unstable:0 [ 763.309313] slab_reclaimable:4597 slab_unreclaimable:57095 [ 763.309313] mapped:13 shmem:48 pagetables:368 bounce:0 [ 763.309313] free:52 free_pcp:0 free_cma:0 [ 763.309325] Node 0 active_anon:21752kB inactive_anon:168kB active_file:4kB inactive_file:156kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 763.309342] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:32kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 763.309366] Normal free:208kB min:5580kB low:9168kB high:12756kB active_anon:21752kB inactive_anon:168kB active_file:4kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18388kB slab_unreclaimable:228348kB kernel_stack:3904kB pagetables:1472kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 763.309401] 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: 46*4kB (UM) 3*8kB (UM) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 208kB 88 total pagecache pages [ 763.309444] 0 pages in swap cache [ 763.309448] Swap cache stats: add 0, delete 0, find 0/0 [ 763.309450] Free swap = 0kB [ 763.309452] Total swap = 0kB [ 763.309454] 1965979 pages RAM [ 763.309456] 0 pages HighMem/MovableOnly [ 763.309458] 313617 pages reserved [ 763.309464] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 763.309469] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 763.309474] node 0: slabs: 624, objs: 7488, free: 0 [ 763.309478] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 763.309498] oom_reaper: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 763.309504] CPU: 0 PID: 25 Comm: oom_reaper Not tainted 4.9.141+ #23 [ 763.309515] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb ffff8801d9c217c0 [ 763.309525] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 763.309534] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 763.309536] Call Trace: [ 763.309546] [ 763.309547] [] dump_stack+0xc1/0x128 [ 763.309554] [] warn_alloc.cold.31+0x7f/0x9c [ 763.309562] [] ? zone_watermark_ok_safe+0x250/0x250 [ 763.309570] [] ? get_page_from_freelist+0x23e/0x1d80 [ 763.309579] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 763.309587] [] ? kvm_sched_clock_read+0x9/0x20 [ 763.309594] [] ? sched_clock+0x9/0x10 [ 763.309601] [] ? down_trylock+0x50/0x70 [ 763.309609] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 763.309617] [] ? console_trylock+0x2b/0x150 [ 763.309624] [] ? vprintk_emit+0x272/0x790 [ 763.309632] [] ? format_decode+0x1b1/0x9e0 [ 763.309640] [] ? set_precision+0x170/0x170 [ 763.309647] [] ? vprintk_default+0x1d/0x30 [ 763.309655] [] new_slab+0x367/0x3d0 [ 763.309663] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 763.309670] [] ? __alloc_skb+0xe6/0x5b0 [ 763.309678] [] ? vprintk_emit+0x2b3/0x790 [ 763.309685] [] ? debug_object_activate+0x32d/0x4e0 [ 763.309705] [] ? console_trylock+0x2b/0x150 [ 763.309712] [] ? check_preemption_disabled+0x3b/0x200 [ 763.309719] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 763.309726] [] ? __alloc_skb+0xe6/0x5b0 [ 763.309745] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 763.309763] [] ? __alloc_skb+0xe6/0x5b0 [ 763.309782] [] kmem_cache_alloc+0x212/0x2b0 [ 763.309802] [] __alloc_skb+0xe6/0x5b0 [ 763.309810] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 763.309816] [] ? ipv6_get_ifaddr+0x300/0x510 [ 763.309822] [] ? trace_hardirqs_on+0xd/0x10 [ 763.309829] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 763.309849] [] ndisc_alloc_skb+0x144/0x330 [ 763.309856] [] ndisc_send_rs+0x2ff/0x670 [ 763.309862] [] ? __ipv6_get_lladdr+0x250/0x250 [ 763.309879] [] addrconf_rs_timer+0x27e/0x5a0 [ 763.309897] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.309904] [] ? debug_object_deactivate+0x214/0x340 [ 763.309910] [] ? call_timer_fn+0x18d/0x6e0 [ 763.309916] [] call_timer_fn+0x163/0x6e0 [ 763.309933] [] ? call_timer_fn+0xda/0x6e0 [ 763.309940] [] ? debug_object_deactivate+0x214/0x340 [ 763.309946] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.309952] [] ? process_timeout+0x20/0x20 [ 763.309959] [] ? expire_timers+0x226/0x580 [ 763.309965] [] ? ipv6_get_lladdr+0x440/0x440 [ 763.309971] [] expire_timers+0x234/0x580 [ 763.309978] [] ? collect_expired_timers+0x1d5/0x2b0 [ 763.309984] [] run_timer_softirq+0x208/0x5e0 [ 763.309991] [] ? expire_timers+0x580/0x580 [ 763.309998] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 763.310005] [] ? hrtimer_interrupt+0x1d7/0x430 [ 763.310012] [] ? check_preemption_disabled+0x3b/0x200 [ 763.310019] [] __do_softirq+0x20e/0x964 [ 763.310038] [] ? check_preemption_disabled+0x3b/0x200 [ 763.310045] [] irq_exit+0x11c/0x150 [ 763.310064] [] smp_apic_timer_interrupt+0x81/0xb0 [ 763.310071] [] apic_timer_interrupt+0x9d/0xb0 [ 763.310092] [ 763.310093] [] ? console_unlock+0x7a3/0xb50 [ 763.310100] [] ? console_unlock+0x7ae/0xb50 [ 763.310108] [] ? vprintk_emit+0x282/0x790 [ 763.310115] [] vprintk_emit+0x448/0x790 [ 763.310123] [] vprintk+0x28/0x30 [ 763.310130] [] vprintk_default+0x1d/0x30 [ 763.310137] [] printk+0xaf/0xd7 [ 763.310145] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 763.310153] [] __oom_reap_task_mm.cold.8+0x112/0x15e [ 763.310160] [] ? task_will_free_mem+0x620/0x620 [ 763.310168] [] oom_reaper+0x155/0x390 [ 763.310175] [] ? __oom_reap_task_mm+0x560/0x560 [ 763.310183] [] ? autoremove_wake_function.part.0+0x130/0x130 [ 763.310190] [] ? __kthread_parkme+0x175/0x240 [ 763.310197] [] kthread+0x26d/0x300 [ 763.310204] [] ? __oom_reap_task_mm+0x560/0x560 [ 763.310211] [] ? kthread_park+0xa0/0xa0 [ 763.310218] [] ? __switch_to_asm+0x34/0x70 [ 763.310225] [] ? kthread_park+0xa0/0xa0 [ 763.310231] [] ? kthread_park+0xa0/0xa0 [ 763.310238] [] ret_from_fork+0x5c/0x70 [ 763.310241] Mem-Info: [ 763.310256] active_anon:5438 inactive_anon:42 isolated_anon:0 [ 763.310256] active_file:1 inactive_file:39 isolated_file:0 [ 763.310256] unevictable:0 dirty:0 writeback:0 unstable:0 [ 763.310256] slab_reclaimable:4597 slab_unreclaimable:57095 [ 763.310256] mapped:13 shmem:48 pagetables:368 bounce:0 [ 763.310256] free:52 free_pcp:0 free_cma:0 [ 763.310268] Node 0 active_anon:21752kB inactive_anon:168kB active_file:4kB inactive_file:156kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 763.310284] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:32kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 763.310308] Normal free:208kB min:5580kB low:9168kB high:12756kB active_anon:21752kB inactive_anon:168kB active_file:4kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18388kB slab_unreclaimable:228348kB kernel_stack:3904kB pagetables:1472kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 763.310342] 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: 46*4kB (UM) 3*8kB (UM) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 208kB 88 total pagecache pages [ 763.310374] 0 pages in swap cache [ 763.310378] Swap cache stats: add 0, delete 0, find 0/0 [ 763.310379] Free swap = 0kB [ 763.310381] Total swap = 0kB [ 763.310382] 1965979 pages RAM [ 763.310384] 0 pages HighMem/MovableOnly [ 763.310386] 313617 pages reserved [ 763.310391] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 763.310397] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 763.310401] node 0: slabs: 624, objs: 7488, free: 0 [ 763.310404] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 763.310424] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 763.310429] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 763.310434] node 0: slabs: 624, objs: 7488, free: 0 [ 763.310436] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 763.310449] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 763.310454] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 763.310458] node 0: slabs: 624, objs: 7488, free: 0 [ 763.310461] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 763.384534] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 763.384557] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 763.384574] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 763.469973] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 763.544532] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 763.574583] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 763.574583] to free 144kB on behalf of 'syz-executor.0' (2335) because [ 763.574583] cache 160kB is below limit 6144kB for oom_score_adj 0 [ 763.574583] Free memory is -37296kB above reserved [ 764.689703] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 764.689703] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 764.689703] cache 2508kB is below limit 65536kB for oom_score_adj 12 [ 764.689703] Free memory is 28476kB above reserved [ 765.695655] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 765.695655] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 765.695655] cache 1040kB is below limit 6144kB for oom_score_adj 0 [ 765.695655] Free memory is -13288kB above reserved [ 766.704571] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 766.704571] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 766.704571] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 766.704571] Free memory is -13328kB above reserved [ 767.714745] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 767.714745] to free 108kB on behalf of 'udevd' (589) because [ 767.714745] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 767.714745] Free memory is -13328kB above reserved [ 767.714757] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 767.714757] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 767.714757] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 767.714757] Free memory is -13328kB above reserved [ 768.724616] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 768.724616] to free 108kB on behalf of 'syz-execprog' (2160) because [ 768.724616] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 768.724616] Free memory is -13328kB above reserved [ 769.734589] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 769.734589] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 769.734589] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 769.734589] Free memory is -13328kB above reserved [ 769.734599] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 769.734599] to free 108kB on behalf of 'init' (1) because [ 769.734599] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 769.734599] Free memory is -13328kB above reserved [ 770.744575] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 770.744575] to free 108kB on behalf of 'syz-execprog' (2156) because [ 770.744575] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 770.744575] Free memory is -13344kB above reserved [ 770.744586] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 770.744586] to free 108kB on behalf of 'init' (1) because [ 770.744586] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 770.744586] Free memory is -13344kB above reserved [ 771.754560] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 771.754560] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 771.754560] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 771.754560] Free memory is -13344kB above reserved [ 771.754741] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 771.754741] to free 108kB on behalf of 'blkid' (2353) because [ 771.754741] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 771.754741] Free memory is -13344kB above reserved [ 772.764583] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 772.764583] to free 108kB on behalf of 'syz-execprog' (2160) because [ 772.764583] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 772.764583] Free memory is -13344kB above reserved [ 772.764598] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 772.764598] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 772.764598] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 772.764598] Free memory is -13344kB above reserved [ 773.774582] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 773.774582] to free 108kB on behalf of 'blkid' (2353) because [ 773.774582] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 773.774582] Free memory is -13352kB above reserved [ 773.774594] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 773.774594] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 773.774594] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 773.774594] Free memory is -13352kB above reserved [ 774.784578] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 774.784578] to free 108kB on behalf of 'udevd' (589) because [ 774.784578] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 774.784578] Free memory is -13352kB above reserved [ 775.794615] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 775.794615] to free 108kB on behalf of 'blkid' (2353) because [ 775.794615] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 775.794615] Free memory is -13352kB above reserved [ 775.884720] warn_alloc: 15 callbacks suppressed [ 775.884738] syz-execprog: page allocation stalls for 10040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 775.884747] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 775.884764] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 775.884775] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 775.884785] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 775.884787] Call Trace: [ 775.884803] [] dump_stack+0xc1/0x128 [ 775.884813] [] warn_alloc.cold.31+0x7f/0x9c [ 775.884823] [] ? zone_watermark_ok_safe+0x250/0x250 [ 775.884833] [] ? shrink_node+0x740/0x740 [ 775.884842] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 775.884851] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 775.884860] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 775.884870] [] ? check_preemption_disabled+0x3b/0x200 [ 775.884877] [] ? find_get_entry+0x11a/0x570 ** 46 printk messages dropped ** [ 775.930487] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 775.930495] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 775.930503] [] ? find_get_entry+0x11a/0x570 [ 775.930510] [] ? find_get_entry+0x141/0x570 ** 46 printk messages dropped ** [ 775.949782] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 775.949791] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 775.949800] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 775.949807] [] ? find_get_entry+0x11a/0x570 [ 775.949815] [] ? find_get_entry+0x141/0x570 [ 775.949822] [] ? page_cache_prev_hole+0x80/0x80 [ 775.949831] [] ? autoremove_wake_function+0x40/0x40 [ 775.949838] [] ? pagecache_get_page+0x131/0x710 [ 775.949846] [] filemap_fault+0xaf1/0x1110 [ 775.949855] [] ext4_filemap_fault+0x71/0xa0 [ 775.949862] [] __do_fault+0x223/0x500 [ 775.949870] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 775.949878] [] ? generic_file_readonly_mmap+0x190/0x190 [ 775.949886] [] handle_mm_fault+0x1326/0x2350 [ 775.949893] [] ? vm_insert_page+0x6f0/0x6f0 [ 775.949978] [] ? selinux_file_permission+0x82/0x470 [ 775.950011] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 775.950019] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 775.950028] [] __do_page_fault+0x403/0xa60 [ 775.950036] [] ? bad_area_access_error+0x3a0/0x3a0 [ 775.950046] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 775.950053] [] do_page_fault+0x27/0x30 [ 775.950061] [] page_fault+0x25/0x30 [ 775.950065] Mem-Info: [ 775.950083] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 775.950083] active_file:0 inactive_file:41 isolated_file:0 [ 775.950083] unevictable:0 dirty:0 writeback:0 unstable:0 [ 775.950083] slab_reclaimable:4627 slab_unreclaimable:56984 [ 775.950083] mapped:5 shmem:48 pagetables:361 bounce:0 [ 775.950083] free:6038 free_pcp:87 free_cma:0 [ 775.950096] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 775.950116] DMA32 free:18708kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:556kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 775.950144] Normal free:5444kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227380kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:228kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 775.950204] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18708kB Normal: 267*4kB (MH) 155*8kB (MEH) 84*16kB (UMH) 40*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5444kB 90 total pagecache pages [ 775.950249] 0 pages in swap cache [ 775.950254] Swap cache stats: add 0, delete 0, find 0/0 [ 775.950256] Free swap = 0kB [ 775.950258] Total swap = 0kB [ 775.950265] 1965979 pages RAM [ 775.950268] 0 pages HighMem/MovableOnly [ 775.950270] 313617 pages reserved [ 775.966922] blkid: page allocation stalls for 10060ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 775.966930] CPU: 1 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 775.966944] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 775.966954] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 775.966964] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 775.966966] Call Trace: [ 775.966978] [] dump_stack+0xc1/0x128 [ 775.966987] [] warn_alloc.cold.31+0x7f/0x9c [ 775.966996] [] ? zone_watermark_ok_safe+0x250/0x250 [ 775.967004] [] ? shrink_node+0x740/0x740 [ 775.967013] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 775.967022] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 775.967029] [] ? trace_hardirqs_on+0x10/0x10 [ 775.967037] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 775.967045] [] ? validate_mm+0x2f4/0x580 [ 775.967052] [] ? validate_mm+0x32e/0x580 [ 775.967059] [] __pmd_alloc+0x47/0x320 [ 775.967067] [] move_page_tables+0xa17/0xc70 [ 775.967076] [] shift_arg_pages+0x1a8/0x430 [ 775.967084] [] ? put_arg_page+0xd0/0xd0 [ 775.967092] [] ? setup_arg_pages+0x27f/0x7b0 [ 775.967101] [] setup_arg_pages+0x5fa/0x7b0 [ 775.967108] [] ? shift_arg_pages+0x430/0x430 [ 775.967158] [] load_elf_binary+0xaaa/0x4bc0 [ 775.967167] [] ? trace_hardirqs_on+0x10/0x10 [ 775.967176] [] ? audit_inode_permission+0x310/0x310 [ 775.967184] [] ? elf_core_dump+0x4330/0x4330 [ 775.967193] [] ? search_binary_handler+0xff/0x6f0 [ 775.967201] [] search_binary_handler+0x14f/0x6f0 [ 775.967210] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 775.967218] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 775.967227] [] ? prepare_bprm_creds+0x110/0x110 [ 775.967234] [] ? getname_flags+0x229/0x550 [ 775.967242] [] SyS_execve+0x42/0x50 [ 775.967250] [] ? setup_new_exec+0x830/0x830 [ 775.967257] [] do_syscall_64+0x19f/0x550 [ 775.967266] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 775.967269] Mem-Info: [ 775.967285] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 775.967285] active_file:0 inactive_file:41 isolated_file:0 [ 775.967285] unevictable:0 dirty:0 writeback:0 unstable:0 [ 775.967285] slab_reclaimable:4627 slab_unreclaimable:56984 [ 775.967285] mapped:5 shmem:48 pagetables:361 bounce:0 [ 775.967285] free:6038 free_pcp:87 free_cma:0 [ 775.967299] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 775.967319] DMA32 free:18708kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:556kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 775.967346] Normal free:5444kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227380kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:228kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 775.967399] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18708kB Normal: 267*4kB (MH) 155*8kB (MEH) 84*16kB (UMH) 40*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5444kB 90 total pagecache pages [ 775.967441] 0 pages in swap cache [ 775.967445] Swap cache stats: add 0, delete 0, find 0/0 [ 775.967447] Free swap = 0kB [ 775.967449] Total swap = 0kB [ 775.967451] 1965979 pages RAM [ 775.967453] 0 pages HighMem/MovableOnly [ 775.967455] 313617 pages reserved [ 776.301560] udevd: page allocation stalls for 10010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 776.301569] CPU: 0 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 776.301586] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 776.301597] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 776.301608] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 776.301610] Call Trace: [ 776.301627] [] dump_stack+0xc1/0x128 [ 776.301637] [] warn_alloc.cold.31+0x7f/0x9c [ 776.301647] [] ? zone_watermark_ok_safe+0x250/0x250 [ 776.301657] [] ? shrink_node+0x740/0x740 [ 776.301667] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 776.301676] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 776.301685] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 776.301693] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 776.301701] [] ? find_get_entry+0x11a/0x570 [ 776.301709] [] ? find_get_entry+0x141/0x570 [ 776.301716] [] ? page_cache_prev_hole+0x80/0x80 [ 776.301725] [] ? autoremove_wake_function+0x40/0x40 [ 776.301733] [] ? pagecache_get_page+0x131/0x710 [ 776.301741] [] filemap_fault+0xaf1/0x1110 [ 776.301750] [] ext4_filemap_fault+0x71/0xa0 [ 776.301758] [] __do_fault+0x223/0x500 [ 776.301765] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 776.301773] [] ? generic_file_readonly_mmap+0x190/0x190 [ 776.301781] [] handle_mm_fault+0x1326/0x2350 [ 776.301789] [] ? vm_insert_page+0x6f0/0x6f0 [ 776.301797] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 776.301806] [] __do_page_fault+0x403/0xa60 [ 776.301814] [] ? bad_area_access_error+0x3a0/0x3a0 [ 776.301824] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 776.301831] [] do_page_fault+0x27/0x30 [ 776.301841] [] page_fault+0x25/0x30 [ 776.301844] Mem-Info: [ 776.301862] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 776.301862] active_file:0 inactive_file:41 isolated_file:0 [ 776.301862] unevictable:0 dirty:0 writeback:0 unstable:0 [ 776.301862] slab_reclaimable:4627 slab_unreclaimable:56984 [ 776.301862] mapped:5 shmem:48 pagetables:361 bounce:0 [ 776.301862] free:6038 free_pcp:87 free_cma:0 [ 776.301876] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 776.301896] DMA32 free:18708kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:556kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 776.301923] Normal free:5444kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227380kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:228kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 776.301983] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18708kB Normal: 267*4kB (MH) 155*8kB (MEH) 84*16kB (UMH) 40*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5444kB 90 total pagecache pages [ 776.302029] 0 pages in swap cache [ 776.302033] Swap cache stats: add 0, delete 0, find 0/0 [ 776.302036] Free swap = 0kB [ 776.302038] Total swap = 0kB [ 776.302041] 1965979 pages RAM [ 776.302043] 0 pages HighMem/MovableOnly [ 776.302045] 313617 pages reserved [ 776.514918] syz-execprog: page allocation stalls for 10030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 776.514928] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 776.514945] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 776.514956] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 776.514966] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 776.514968] Call Trace: [ 776.514984] [] dump_stack+0xc1/0x128 [ 776.514994] [] warn_alloc.cold.31+0x7f/0x9c [ 776.515005] [] ? zone_watermark_ok_safe+0x250/0x250 [ 776.515015] [] ? shrink_node+0x740/0x740 [ 776.515024] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 776.515033] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 776.515042] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 776.515050] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 776.515058] [] ? find_get_entry+0x11a/0x570 [ 776.515066] [] ? find_get_entry+0x141/0x570 [ 776.515073] [] ? page_cache_prev_hole+0x80/0x80 [ 776.515082] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 776.515090] [] ? pagecache_get_page+0x131/0x710 [ 776.515098] [] filemap_fault+0xaf1/0x1110 [ 776.515107] [] ext4_filemap_fault+0x71/0xa0 [ 776.515114] [] __do_fault+0x223/0x500 [ 776.515122] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 776.515130] [] ? generic_file_readonly_mmap+0x190/0x190 [ 776.515138] [] handle_mm_fault+0x1326/0x2350 [ 776.515146] [] ? vm_insert_page+0x6f0/0x6f0 [ 776.515156] [] ? kvm_clock_read+0x23/0x40 [ 776.515163] [] ? kvm_clock_get_cycles+0x9/0x10 [ 776.515173] [] __do_page_fault+0x403/0xa60 [ 776.515180] [] ? bad_area_access_error+0x3a0/0x3a0 [ 776.515191] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 776.515198] [] do_page_fault+0x27/0x30 [ 776.515207] [] page_fault+0x25/0x30 [ 776.515210] Mem-Info: [ 776.515228] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 776.515228] active_file:0 inactive_file:41 isolated_file:0 [ 776.515228] unevictable:0 dirty:0 writeback:0 unstable:0 [ 776.515228] slab_reclaimable:4627 slab_unreclaimable:56984 [ 776.515228] mapped:5 shmem:48 pagetables:361 bounce:0 [ 776.515228] free:6038 free_pcp:87 free_cma:0 [ 776.515243] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 776.515263] DMA32 free:18708kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:556kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 776.515291] Normal free:5444kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227380kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:228kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 776.515351] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18708kB Normal: 267*4kB (MH) 155*8kB (MEH) 84*16kB (UMH) 40*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5444kB ** 70 printk messages dropped ** [ 785.865344] syz-execprog: page allocation stalls for 20020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 50 printk messages dropped ** [ 785.916699] blkid: page allocation stalls for 20010ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 785.916707] CPU: 1 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 785.916724] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 785.916735] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 785.916744] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 41 printk messages dropped ** [ 785.917194] 90 total pagecache pages ** 5 printk messages dropped ** [ 785.917209] 0 pages HighMem/MovableOnly [ 785.917211] 313617 pages reserved [ 785.948184] syz-execprog: page allocation stalls for 20020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 785.948194] CPU: 0 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 785.948209] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 ** 43 printk messages dropped ** [ 785.948708] Free swap = 0kB [ 785.948710] Total swap = 0kB [ 785.948713] 1965979 pages RAM [ 785.948715] 0 pages HighMem/MovableOnly [ 785.948717] 313617 pages reserved [ 785.955442] syz-execprog: page allocation stalls for 20040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 785.955449] CPU: 1 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 785.955462] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 785.955474] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 785.955482] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 785.955485] Call Trace: [ 785.955495] [] dump_stack+0xc1/0x128 [ 785.955504] [] warn_alloc.cold.31+0x7f/0x9c [ 785.955512] [] ? zone_watermark_ok_safe+0x250/0x250 [ 785.955520] [] ? shrink_node+0x740/0x740 [ 785.955530] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 785.955539] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 785.955547] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 785.955555] [] ? find_get_entry+0x11a/0x570 [ 785.955562] [] ? find_get_entry+0x141/0x570 [ 785.955570] [] ? page_cache_prev_hole+0x80/0x80 [ 785.955578] [] ? autoremove_wake_function+0x40/0x40 [ 785.955586] [] ? pagecache_get_page+0x131/0x710 [ 785.955593] [] filemap_fault+0xaf1/0x1110 [ 785.955601] [] ext4_filemap_fault+0x71/0xa0 [ 785.955608] [] __do_fault+0x223/0x500 [ 785.955616] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 785.955624] [] ? generic_file_readonly_mmap+0x190/0x190 [ 785.955631] [] handle_mm_fault+0x1326/0x2350 [ 785.955640] [] ? poll_select_set_timeout+0xb5/0x120 [ 785.955648] [] ? vm_insert_page+0x6f0/0x6f0 [ 785.955656] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 785.955664] [] __do_page_fault+0x403/0xa60 [ 785.955672] [] ? __fget_light+0x169/0x1f0 [ 785.955679] [] ? bad_area_access_error+0x3a0/0x3a0 [ 785.955687] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 785.955695] [] do_page_fault+0x27/0x30 [ 785.955702] [] page_fault+0x25/0x30 [ 785.955705] Mem-Info: [ 785.955722] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 785.955722] active_file:0 inactive_file:41 isolated_file:0 [ 785.955722] unevictable:0 dirty:0 writeback:0 unstable:0 [ 785.955722] slab_reclaimable:4627 slab_unreclaimable:56985 [ 785.955722] mapped:5 shmem:48 pagetables:361 bounce:0 [ 785.955722] free:6007 free_pcp:117 free_cma:0 [ 785.955737] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 785.955756] DMA32 free:18708kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:556kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 785.955783] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227384kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:348kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 785.955841] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18708kB Normal: 268*4kB (UMH) 155*8kB (MEH) 82*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 785.955885] 0 pages in swap cache [ 785.955889] Swap cache stats: add 0, delete 0, find 0/0 [ 785.955891] Free swap = 0kB [ 785.955894] Total swap = 0kB [ 785.955896] 1965979 pages RAM [ 785.955898] 0 pages HighMem/MovableOnly [ 785.955901] 313617 pages reserved [ 786.315317] udevd: page allocation stalls for 20030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 786.315326] CPU: 0 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 786.315342] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 786.315354] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 786.315364] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 10 printk messages dropped ** [ 786.315500] [] ? find_get_entry+0x141/0x570 [ 786.315507] [] ? page_cache_prev_hole+0x80/0x80 [ 786.315516] [] ? autoremove_wake_function+0x40/0x40 [ 786.315524] [] ? pagecache_get_page+0x131/0x710 [ 786.315532] [] filemap_fault+0xaf1/0x1110 [ 786.315542] [] ext4_filemap_fault+0x71/0xa0 [ 786.315549] [] __do_fault+0x223/0x500 [ 786.315556] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 786.315565] [] ? generic_file_readonly_mmap+0x190/0x190 [ 786.315573] [] handle_mm_fault+0x1326/0x2350 [ 786.315580] [] ? vm_insert_page+0x6f0/0x6f0 [ 786.315588] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 786.315598] [] __do_page_fault+0x403/0xa60 [ 786.315606] [] ? bad_area_access_error+0x3a0/0x3a0 [ 786.315616] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 786.315623] [] do_page_fault+0x27/0x30 [ 786.315632] [] page_fault+0x25/0x30 [ 786.315636] Mem-Info: [ 786.315655] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 786.315655] active_file:0 inactive_file:41 isolated_file:0 [ 786.315655] unevictable:0 dirty:0 writeback:0 unstable:0 [ 786.315655] slab_reclaimable:4627 slab_unreclaimable:56985 [ 786.315655] mapped:5 shmem:48 pagetables:361 bounce:0 [ 786.315655] free:6007 free_pcp:117 free_cma:0 [ 786.315669] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 786.315688] DMA32 free:18708kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:556kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 786.315717] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227384kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:348kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 786.315777] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18708kB Normal: 268*4kB (UMH) 155*8kB (MEH) 82*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 786.315823] 0 pages in swap cache [ 786.315828] Swap cache stats: add 0, delete 0, find 0/0 [ 786.315830] Free swap = 0kB [ 786.315832] Total swap = 0kB [ 786.315835] 1965979 pages RAM [ 786.315837] 0 pages HighMem/MovableOnly [ 786.315839] 313617 pages reserved [ 786.525945] syz-execprog: page allocation stalls for 20040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 786.525954] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 786.525971] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 786.525982] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 786.525993] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 786.525995] Call Trace: [ 786.526011] [] dump_stack+0xc1/0x128 [ 786.526023] [] warn_alloc.cold.31+0x7f/0x9c [ 786.526033] [] ? zone_watermark_ok_safe+0x250/0x250 [ 786.526042] [] ? shrink_node+0x740/0x740 [ 786.526051] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 786.526060] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 786.526069] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 786.526078] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 786.526086] [] ? find_get_entry+0x11a/0x570 [ 786.526093] [] ? find_get_entry+0x141/0x570 [ 786.526101] [] ? page_cache_prev_hole+0x80/0x80 [ 786.526110] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 786.526117] [] ? pagecache_get_page+0x131/0x710 [ 786.526125] [] filemap_fault+0xaf1/0x1110 [ 786.526135] [] ext4_filemap_fault+0x71/0xa0 [ 786.526143] [] __do_fault+0x223/0x500 [ 786.526150] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 786.526158] [] ? generic_file_readonly_mmap+0x190/0x190 [ 786.526166] [] handle_mm_fault+0x1326/0x2350 [ 786.526174] [] ? vm_insert_page+0x6f0/0x6f0 [ 786.526183] [] ? kvm_clock_read+0x23/0x40 [ 786.526191] [] ? kvm_clock_get_cycles+0x9/0x10 [ 786.526200] [] __do_page_fault+0x403/0xa60 [ 786.526208] [] ? bad_area_access_error+0x3a0/0x3a0 [ 786.526218] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 786.526226] [] do_page_fault+0x27/0x30 [ 786.526235] [] page_fault+0x25/0x30 [ 786.526238] Mem-Info: [ 786.526257] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 786.526257] active_file:0 inactive_file:41 isolated_file:0 [ 786.526257] unevictable:0 dirty:0 writeback:0 unstable:0 [ 786.526257] slab_reclaimable:4627 slab_unreclaimable:56985 [ 786.526257] mapped:5 shmem:48 pagetables:361 bounce:0 [ 786.526257] free:6007 free_pcp:117 free_cma:0 [ 786.526271] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 786.526291] DMA32 free:18708kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:556kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 786.526319] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227384kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:348kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 786.526378] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18708kB Normal: 268*4kB (UMH) 155*8kB (MEH) 82*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 786.526434] 0 pages in swap cache [ 786.526438] Swap cache stats: add 0, delete 0, find 0/0 [ 786.526441] Free swap = 0kB [ 786.526443] Total swap = 0kB [ 786.526445] 1965979 pages RAM [ 786.526448] 0 pages HighMem/MovableOnly [ 786.526450] 313617 pages reserved [ 786.904584] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 786.904584] to free 108kB on behalf of 'syz-execprog' (2156) because [ 786.904584] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 786.904584] Free memory is -13476kB above reserved [ 786.924553] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 786.924553] to free 108kB on behalf of 'init' (1) because [ 786.924553] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 786.924553] Free memory is -13476kB above reserved [ 787.934553] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 787.934553] to free 108kB on behalf of 'syz-execprog' (2163) because [ 787.934553] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 787.934553] Free memory is -13476kB above reserved [ 787.934565] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 787.934565] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 787.934565] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 787.934565] Free memory is -13476kB above reserved [ 788.944610] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 788.944610] to free 108kB on behalf of 'blkid' (2353) because [ 788.944610] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 788.944610] Free memory is -13476kB above reserved [ 788.944621] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 788.944621] to free 108kB on behalf of 'udevd' (589) because [ 788.944621] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 788.944621] Free memory is -13476kB above reserved [ 789.379693] init: page allocation stalls for 20060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 789.379703] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 789.379720] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 789.379731] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 789.379741] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 789.379743] Call Trace: [ 789.379759] [] dump_stack+0xc1/0x128 [ 789.379769] [] warn_alloc.cold.31+0x7f/0x9c [ 789.379779] [] ? zone_watermark_ok_safe+0x250/0x250 [ 789.379788] [] ? shrink_node+0x740/0x740 [ 789.379798] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 789.379807] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 789.379816] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 789.379824] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 789.379832] [] ? find_get_entry+0x11a/0x570 [ 789.379839] [] ? find_get_entry+0x141/0x570 [ 789.379845] [] ? page_cache_prev_hole+0x80/0x80 [ 789.379854] [] ? pagecache_get_page+0x131/0x710 [ 789.379862] [] filemap_fault+0xaf1/0x1110 [ 789.379871] [] ext4_filemap_fault+0x71/0xa0 [ 789.379879] [] __do_fault+0x223/0x500 [ 789.379886] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 789.379895] [] ? generic_file_readonly_mmap+0x190/0x190 [ 789.379903] [] handle_mm_fault+0x1326/0x2350 [ 789.379910] [] ? vm_insert_page+0x6f0/0x6f0 [ 789.379927] [] ? kvm_clock_get_cycles+0x9/0x10 [ 789.379937] [] __do_page_fault+0x403/0xa60 [ 789.379944] [] ? bad_area_access_error+0x3a0/0x3a0 [ 789.379955] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 789.379962] [] do_page_fault+0x27/0x30 [ 789.379971] [] page_fault+0x25/0x30 [ 789.379975] Mem-Info: [ 789.379993] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 789.379993] active_file:0 inactive_file:41 isolated_file:0 [ 789.379993] unevictable:0 dirty:0 writeback:0 unstable:0 [ 789.379993] slab_reclaimable:4627 slab_unreclaimable:56990 [ 789.379993] mapped:5 shmem:48 pagetables:361 bounce:0 [ 789.379993] free:6003 free_pcp:116 free_cma:0 ** 123 printk messages dropped ** [ 795.947305] syz-execprog: page allocation stalls for 30030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 795.947312] CPU: 0 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 795.947327] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 ** 45 printk messages dropped ** [ 795.947785] 0 pages HighMem/MovableOnly [ 795.947787] 313617 pages reserved [ 795.955191] syz-execprog: page allocation stalls for 30030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 3 printk messages dropped ** [ 795.955233] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 49 printk messages dropped ** [ 795.979998] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 795.980008] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 795.980010] Call Trace: [ 795.980034] [] dump_stack+0xc1/0x128 [ 795.980043] [] warn_alloc.cold.31+0x7f/0x9c [ 795.980053] [] ? zone_watermark_ok_safe+0x250/0x250 [ 795.980061] [] ? shrink_node+0x740/0x740 [ 795.980071] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 795.980080] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 795.980088] [] ? trace_hardirqs_on+0x10/0x10 [ 795.980096] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 795.980104] [] ? validate_mm+0x2f4/0x580 [ 795.980111] [] ? validate_mm+0x32e/0x580 [ 795.980119] [] __pmd_alloc+0x47/0x320 [ 795.980128] [] move_page_tables+0xa17/0xc70 [ 795.980137] [] shift_arg_pages+0x1a8/0x430 [ 795.980146] [] ? put_arg_page+0xd0/0xd0 [ 795.980154] [] ? setup_arg_pages+0x27f/0x7b0 [ 795.980162] [] setup_arg_pages+0x5fa/0x7b0 [ 795.980171] [] ? shift_arg_pages+0x430/0x430 [ 795.980180] [] load_elf_binary+0xaaa/0x4bc0 [ 795.980188] [] ? trace_hardirqs_on+0x10/0x10 [ 795.980196] [] ? audit_inode_permission+0x310/0x310 [ 795.980204] [] ? elf_core_dump+0x4330/0x4330 [ 795.980213] [] ? search_binary_handler+0xff/0x6f0 [ 795.980221] [] search_binary_handler+0x14f/0x6f0 [ 795.980230] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 795.980239] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 795.980248] [] ? prepare_bprm_creds+0x110/0x110 [ 795.980256] [] ? getname_flags+0x229/0x550 [ 795.980264] [] SyS_execve+0x42/0x50 [ 795.980273] [] ? setup_new_exec+0x830/0x830 [ 795.980280] [] do_syscall_64+0x19f/0x550 [ 795.980290] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 795.980293] Mem-Info: [ 795.980310] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 795.980310] active_file:0 inactive_file:41 isolated_file:0 [ 795.980310] unevictable:0 dirty:0 writeback:0 unstable:0 [ 795.980310] slab_reclaimable:4627 slab_unreclaimable:56992 [ 795.980310] mapped:5 shmem:48 pagetables:361 bounce:0 [ 795.980310] free:6001 free_pcp:116 free_cma:0 [ 795.980324] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 795.980390] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 795.980426] Normal free:5312kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:344kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 795.980484] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 154*8kB (ME) 82*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5312kB 90 total pagecache pages [ 795.980529] 0 pages in swap cache [ 795.980534] Swap cache stats: add 0, delete 0, find 0/0 [ 795.980536] Free swap = 0kB [ 795.980538] Total swap = 0kB [ 795.980540] 1965979 pages RAM [ 795.980542] 0 pages HighMem/MovableOnly [ 795.980545] 313617 pages reserved [ 796.054638] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 796.054638] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 796.054638] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 796.054638] Free memory is -13500kB above reserved ** 8 printk messages dropped ** [ 796.309466] [] ? zone_watermark_ok_safe+0x250/0x250 [ 796.309475] [] ? shrink_node+0x740/0x740 [ 796.309484] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 796.309492] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 796.309501] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 796.309509] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 796.309516] [] ? find_get_entry+0x11a/0x570 [ 796.309523] [] ? find_get_entry+0x141/0x570 [ 796.309530] [] ? page_cache_prev_hole+0x80/0x80 [ 796.309538] [] ? autoremove_wake_function+0x40/0x40 [ 796.309546] [] ? pagecache_get_page+0x131/0x710 [ 796.309554] [] filemap_fault+0xaf1/0x1110 [ 796.309562] [] ext4_filemap_fault+0x71/0xa0 [ 796.309570] [] __do_fault+0x223/0x500 [ 796.309577] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 796.309585] [] ? generic_file_readonly_mmap+0x190/0x190 [ 796.309593] [] handle_mm_fault+0x1326/0x2350 [ 796.309600] [] ? vm_insert_page+0x6f0/0x6f0 [ 796.309608] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 796.309616] [] __do_page_fault+0x403/0xa60 [ 796.309624] [] ? bad_area_access_error+0x3a0/0x3a0 [ 796.309633] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 796.309640] [] do_page_fault+0x27/0x30 [ 796.309648] [] page_fault+0x25/0x30 [ 796.309652] Mem-Info: [ 796.309669] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 796.309669] active_file:0 inactive_file:41 isolated_file:0 [ 796.309669] unevictable:0 dirty:0 writeback:0 unstable:0 [ 796.309669] slab_reclaimable:4627 slab_unreclaimable:56992 [ 796.309669] mapped:5 shmem:48 pagetables:361 bounce:0 [ 796.309669] free:6001 free_pcp:116 free_cma:0 [ 796.309683] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 796.309703] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 796.309730] Normal free:5312kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:344kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 796.309785] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 154*8kB (ME) 82*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5312kB 90 total pagecache pages [ 796.309830] 0 pages in swap cache [ 796.309834] Swap cache stats: add 0, delete 0, find 0/0 [ 796.309836] Free swap = 0kB [ 796.309838] Total swap = 0kB [ 796.309841] 1965979 pages RAM [ 796.309843] 0 pages HighMem/MovableOnly [ 796.309845] 313617 pages reserved [ 796.549739] syz-execprog: page allocation stalls for 30060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 796.549749] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 796.549765] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 796.549776] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 796.549787] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 796.549789] Call Trace: [ 796.549805] [] dump_stack+0xc1/0x128 [ 796.549815] [] warn_alloc.cold.31+0x7f/0x9c [ 796.549825] [] ? zone_watermark_ok_safe+0x250/0x250 [ 796.549834] [] ? shrink_node+0x740/0x740 [ 796.549843] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 796.549852] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 796.549861] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 796.549870] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 796.549877] [] ? find_get_entry+0x11a/0x570 [ 796.549885] [] ? find_get_entry+0x141/0x570 [ 796.549893] [] ? page_cache_prev_hole+0x80/0x80 [ 796.549902] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 796.549909] [] ? pagecache_get_page+0x131/0x710 [ 796.549927] [] filemap_fault+0xaf1/0x1110 [ 796.549936] [] ext4_filemap_fault+0x71/0xa0 [ 796.549943] [] __do_fault+0x223/0x500 [ 796.549951] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 796.549959] [] ? generic_file_readonly_mmap+0x190/0x190 [ 796.549967] [] handle_mm_fault+0x1326/0x2350 [ 796.549975] [] ? vm_insert_page+0x6f0/0x6f0 [ 796.549985] [] ? kvm_clock_read+0x23/0x40 [ 796.549992] [] ? kvm_clock_get_cycles+0x9/0x10 [ 796.550002] [] __do_page_fault+0x403/0xa60 [ 796.550010] [] ? bad_area_access_error+0x3a0/0x3a0 [ 796.550020] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 796.550028] [] do_page_fault+0x27/0x30 [ 796.550037] [] page_fault+0x25/0x30 [ 796.550041] Mem-Info: [ 796.550059] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 796.550059] active_file:0 inactive_file:41 isolated_file:0 [ 796.550059] unevictable:0 dirty:0 writeback:0 unstable:0 [ 796.550059] slab_reclaimable:4627 slab_unreclaimable:56992 [ 796.550059] mapped:5 shmem:48 pagetables:361 bounce:0 [ 796.550059] free:6001 free_pcp:116 free_cma:0 [ 796.550073] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 796.550093] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 796.550122] Normal free:5312kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:344kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 796.550182] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 154*8kB (ME) 82*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5312kB 90 total pagecache pages [ 796.550229] 0 pages in swap cache [ 796.550233] Swap cache stats: add 0, delete 0, find 0/0 [ 796.550236] Free swap = 0kB [ 796.550238] Total swap = 0kB [ 796.550240] 1965979 pages RAM [ 796.550242] 0 pages HighMem/MovableOnly [ 796.550245] 313617 pages reserved [ 797.064562] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 797.064562] to free 108kB on behalf of 'cron' (1948) because [ 797.064562] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 797.064562] Free memory is -13500kB above reserved [ 797.064574] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 797.064574] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 797.064574] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 797.064574] Free memory is -13500kB above reserved [ 798.074557] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 798.074557] to free 108kB on behalf of 'syz-execprog' (2171) because [ 798.074557] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 798.074557] Free memory is -13500kB above reserved [ 798.074569] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 798.074569] to free 108kB on behalf of 'syz-execprog' (2156) because [ 798.074569] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 798.074569] Free memory is -13500kB above reserved [ 799.084637] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 799.084637] to free 108kB on behalf of 'syz-execprog' (2156) because [ 799.084637] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 799.084637] Free memory is -13500kB above reserved [ 799.379160] init: page allocation stalls for 30060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 799.379169] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 799.379186] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 799.379197] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 799.379208] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 799.379210] Call Trace: [ 799.379226] [] dump_stack+0xc1/0x128 [ 799.379236] [] warn_alloc.cold.31+0x7f/0x9c [ 799.379246] [] ? zone_watermark_ok_safe+0x250/0x250 [ 799.379255] [] ? shrink_node+0x740/0x740 ** 11 printk messages dropped ** [ 799.379355] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 799.379364] [] ? generic_file_readonly_mmap+0x190/0x190 ** 126 printk messages dropped ** [ 805.898408] 0 pages in swap cache [ 805.898412] Swap cache stats: add 0, delete 0, find 0/0 [ 805.898414] Free swap = 0kB [ 805.898416] Total swap = 0kB [ 805.898419] 1965979 pages RAM [ 805.898422] 0 pages HighMem/MovableOnly [ 805.898424] 313617 pages reserved [ 805.947644] blkid: page allocation stalls for 40040ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 805.947653] CPU: 1 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 805.947669] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 ** 42 printk messages dropped ** [ 805.948139] Normal: 268*4kB (UMH) 154*8kB (ME) 82*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5312kB ** 5 printk messages dropped ** [ 805.948154] 1965979 pages RAM ** 47 printk messages dropped ** [ 805.966262] Swap cache stats: add 0, delete 0, find 0/0 [ 805.966265] Free swap = 0kB [ 805.966267] Total swap = 0kB [ 805.966269] 1965979 pages RAM [ 805.966272] 0 pages HighMem/MovableOnly ** 44 printk messages dropped ** [ 805.977565] 0 pages in swap cache [ 805.977570] Swap cache stats: add 0, delete 0, find 0/0 [ 805.977572] Free swap = 0kB [ 805.977574] Total swap = 0kB [ 805.977577] 1965979 pages RAM [ 805.977579] 0 pages HighMem/MovableOnly [ 805.977581] 313617 pages reserved [ 806.154591] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 806.154591] to free 108kB on behalf of 'syz-execprog' (2163) because [ 806.154591] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 806.154591] Free memory is -13500kB above reserved [ 806.154603] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 806.154603] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 806.154603] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 806.154603] Free memory is -13500kB above reserved [ 806.204561] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 806.204561] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 806.204561] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 806.204561] Free memory is -13500kB above reserved [ 806.294997] udevd: page allocation stalls for 40010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 806.295007] CPU: 1 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 806.295024] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 806.295035] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 806.295046] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 806.295048] Call Trace: [ 806.295064] [] dump_stack+0xc1/0x128 [ 806.295075] [] warn_alloc.cold.31+0x7f/0x9c [ 806.295085] [] ? zone_watermark_ok_safe+0x250/0x250 [ 806.295094] [] ? shrink_node+0x740/0x740 [ 806.295104] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 806.295113] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 806.295122] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 806.295131] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 806.295138] [] ? find_get_entry+0x11a/0x570 [ 806.295146] [] ? find_get_entry+0x141/0x570 [ 806.295154] [] ? page_cache_prev_hole+0x80/0x80 [ 806.295163] [] ? autoremove_wake_function+0x40/0x40 [ 806.295171] [] ? pagecache_get_page+0x131/0x710 [ 806.295179] [] filemap_fault+0xaf1/0x1110 [ 806.295188] [] ext4_filemap_fault+0x71/0xa0 [ 806.295195] [] __do_fault+0x223/0x500 [ 806.295203] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 806.295211] [] ? generic_file_readonly_mmap+0x190/0x190 [ 806.295220] [] handle_mm_fault+0x1326/0x2350 [ 806.295227] [] ? vm_insert_page+0x6f0/0x6f0 [ 806.295235] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 806.295244] [] __do_page_fault+0x403/0xa60 [ 806.295253] [] ? bad_area_access_error+0x3a0/0x3a0 [ 806.295262] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 806.295270] [] do_page_fault+0x27/0x30 [ 806.295279] [] page_fault+0x25/0x30 [ 806.295282] Mem-Info: [ 806.295300] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 806.295300] active_file:0 inactive_file:41 isolated_file:0 [ 806.295300] unevictable:0 dirty:0 writeback:0 unstable:0 [ 806.295300] slab_reclaimable:4627 slab_unreclaimable:56992 [ 806.295300] mapped:5 shmem:48 pagetables:361 bounce:0 [ 806.295300] free:6001 free_pcp:116 free_cma:0 [ 806.295315] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 806.295335] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 4 printk messages dropped ** [ 806.295463] Normal: 268*4kB (UMH) 154*8kB (ME) 82*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5312kB ** 5 printk messages dropped ** [ 806.295479] 1965979 pages RAM [ 806.295482] 0 pages HighMem/MovableOnly [ 806.295484] 313617 pages reserved [ 806.509502] syz-execprog: page allocation stalls for 40020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 806.509511] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 806.509529] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 806.509539] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 806.509550] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 806.509552] Call Trace: [ 806.509569] [] dump_stack+0xc1/0x128 [ 806.509579] [] warn_alloc.cold.31+0x7f/0x9c [ 806.509589] [] ? zone_watermark_ok_safe+0x250/0x250 [ 806.509598] [] ? shrink_node+0x740/0x740 [ 806.509607] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 806.509616] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 806.509626] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 806.509634] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 806.509642] [] ? find_get_entry+0x11a/0x570 [ 806.509650] [] ? find_get_entry+0x141/0x570 [ 806.509657] [] ? page_cache_prev_hole+0x80/0x80 [ 806.509666] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 806.509674] [] ? pagecache_get_page+0x131/0x710 [ 806.509682] [] filemap_fault+0xaf1/0x1110 [ 806.509691] [] ext4_filemap_fault+0x71/0xa0 [ 806.509699] [] __do_fault+0x223/0x500 [ 806.509706] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 806.509715] [] ? generic_file_readonly_mmap+0x190/0x190 [ 806.509722] [] handle_mm_fault+0x1326/0x2350 [ 806.509730] [] ? vm_insert_page+0x6f0/0x6f0 [ 806.509740] [] ? kvm_clock_read+0x23/0x40 [ 806.509747] [] ? kvm_clock_get_cycles+0x9/0x10 [ 806.509756] [] __do_page_fault+0x403/0xa60 [ 806.509765] [] ? bad_area_access_error+0x3a0/0x3a0 [ 806.509775] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 806.509782] [] do_page_fault+0x27/0x30 [ 806.509791] [] page_fault+0x25/0x30 [ 806.509795] Mem-Info: [ 806.509813] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 806.509813] active_file:0 inactive_file:41 isolated_file:0 [ 806.509813] unevictable:0 dirty:0 writeback:0 unstable:0 [ 806.509813] slab_reclaimable:4627 slab_unreclaimable:56992 [ 806.509813] mapped:5 shmem:48 pagetables:361 bounce:0 [ 806.509813] free:6001 free_pcp:116 free_cma:0 [ 806.509827] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 806.509847] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 806.509875] Normal free:5312kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:344kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 806.509933] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 154*8kB (ME) 82*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5312kB 90 total pagecache pages [ 806.509979] 0 pages in swap cache [ 806.509984] Swap cache stats: add 0, delete 0, find 0/0 [ 806.509986] Free swap = 0kB [ 806.509988] Total swap = 0kB [ 806.509991] 1965979 pages RAM [ 806.509993] 0 pages HighMem/MovableOnly [ 806.509995] 313617 pages reserved [ 807.214576] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 807.214576] to free 108kB on behalf of 'syz-execprog' (2160) because [ 807.214576] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 807.214576] Free memory is -13500kB above reserved [ 808.224570] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 808.224570] to free 108kB on behalf of 'syz-execprog' (2163) because [ 808.224570] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 808.224570] Free memory is -13500kB above reserved [ 809.234567] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 809.234567] to free 108kB on behalf of 'blkid' (2353) because [ 809.234567] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 809.234567] Free memory is -13500kB above reserved [ 809.329541] init: page allocation stalls for 40010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 809.329550] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 809.329567] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 809.329577] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 809.329588] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 809.329590] Call Trace: [ 809.329606] [] dump_stack+0xc1/0x128 [ 809.329616] [] warn_alloc.cold.31+0x7f/0x9c [ 809.329626] [] ? zone_watermark_ok_safe+0x250/0x250 [ 809.329635] [] ? shrink_node+0x740/0x740 [ 809.329644] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 809.329652] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 809.329662] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 809.329671] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 809.329678] [] ? find_get_entry+0x11a/0x570 [ 809.329686] [] ? find_get_entry+0x141/0x570 [ 809.329693] [] ? page_cache_prev_hole+0x80/0x80 [ 809.329701] [] ? pagecache_get_page+0x131/0x710 [ 809.329709] [] filemap_fault+0xaf1/0x1110 [ 809.329718] [] ext4_filemap_fault+0x71/0xa0 [ 809.329726] [] __do_fault+0x223/0x500 [ 809.329733] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 809.329742] [] ? generic_file_readonly_mmap+0x190/0x190 [ 809.329750] [] handle_mm_fault+0x1326/0x2350 [ 809.329757] [] ? vm_insert_page+0x6f0/0x6f0 [ 809.329767] [] ? kvm_clock_get_cycles+0x9/0x10 [ 809.329776] [] __do_page_fault+0x403/0xa60 [ 809.329784] [] ? bad_area_access_error+0x3a0/0x3a0 [ 809.329794] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 809.329801] [] do_page_fault+0x27/0x30 [ 809.329810] [] page_fault+0x25/0x30 [ 809.329814] Mem-Info: [ 809.329832] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 809.329832] active_file:0 inactive_file:41 isolated_file:0 [ 809.329832] unevictable:0 dirty:0 writeback:0 unstable:0 [ 809.329832] slab_reclaimable:4627 slab_unreclaimable:56992 [ 809.329832] mapped:5 shmem:48 pagetables:361 bounce:0 [ 809.329832] free:6001 free_pcp:116 free_cma:0 [ 809.329846] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 809.329866] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 809.329895] Normal free:5312kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227396kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:344kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 809.329965] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 154*8kB (ME) 82*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5312kB 90 total pagecache pages [ 809.330012] 0 pages in swap cache [ 809.330017] Swap cache stats: add 0, delete 0, find 0/0 [ 809.330019] Free swap = 0kB [ 809.330021] Total swap = 0kB [ 809.330024] 1965979 pages RAM [ 809.330026] 0 pages HighMem/MovableOnly [ 809.330029] 313617 pages reserved [ 810.244591] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 810.244591] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 810.244591] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 810.244591] Free memory is -13500kB above reserved [ 810.244610] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 810.244610] to free 108kB on behalf of 'udevd' (589) because [ 810.244610] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 810.244610] Free memory is -13500kB above reserved ** 159 printk messages dropped ** [ 815.945455] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 815.945465] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 815.945467] Call Trace: [ 815.945478] [] dump_stack+0xc1/0x128 [ 815.945487] [] warn_alloc.cold.31+0x7f/0x9c [ 815.945495] [] ? zone_watermark_ok_safe+0x250/0x250 [ 815.945504] [] ? shrink_node+0x740/0x740 [ 815.945513] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 815.945522] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 815.945530] [] ? radix_tree_lookup_slot+0x85/0xc0 ** 39 printk messages dropped ** [ 815.975147] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 815.975157] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 815.975167] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 97 printk messages dropped ** [ 816.296743] 313617 pages reserved [ 816.304561] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 816.304561] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 816.304561] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 816.304561] Free memory is -13500kB above reserved [ 816.519247] syz-execprog: page allocation stalls for 50030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 816.519256] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 816.519284] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 816.519293] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 816.519303] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 816.519305] Call Trace: [ 816.519319] [] dump_stack+0xc1/0x128 [ 816.519328] [] warn_alloc.cold.31+0x7f/0x9c [ 816.519338] [] ? zone_watermark_ok_safe+0x250/0x250 [ 816.519346] [] ? shrink_node+0x740/0x740 [ 816.519366] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 816.519373] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 816.519382] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 816.519401] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 816.519420] [] ? find_get_entry+0x11a/0x570 [ 816.519427] [] ? find_get_entry+0x141/0x570 [ 816.519433] [] ? page_cache_prev_hole+0x80/0x80 [ 816.519455] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 816.519463] [] ? pagecache_get_page+0x131/0x710 [ 816.519470] [] filemap_fault+0xaf1/0x1110 [ 816.519479] [] ext4_filemap_fault+0x71/0xa0 [ 816.519486] [] __do_fault+0x223/0x500 [ 816.519493] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 816.519514] [] ? generic_file_readonly_mmap+0x190/0x190 [ 816.519522] [] handle_mm_fault+0x1326/0x2350 [ 816.519529] [] ? vm_insert_page+0x6f0/0x6f0 [ 816.519539] [] ? kvm_clock_read+0x23/0x40 [ 816.519547] [] ? kvm_clock_get_cycles+0x9/0x10 [ 816.519556] [] __do_page_fault+0x403/0xa60 [ 816.519564] [] ? bad_area_access_error+0x3a0/0x3a0 [ 816.519574] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 816.519581] [] do_page_fault+0x27/0x30 [ 816.519590] [] page_fault+0x25/0x30 [ 816.519594] Mem-Info: [ 816.519613] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 816.519613] active_file:0 inactive_file:41 isolated_file:0 [ 816.519613] unevictable:0 dirty:0 writeback:0 unstable:0 [ 816.519613] slab_reclaimable:4627 slab_unreclaimable:56993 [ 816.519613] mapped:5 shmem:48 pagetables:361 bounce:0 [ 816.519613] free:6001 free_pcp:114 free_cma:0 [ 816.519627] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 816.519647] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 816.519675] Normal free:5312kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227400kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:336kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 816.519735] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 154*8kB (ME) 82*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5312kB ** 12 printk messages dropped ** [ 819.334589] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 819.334589] to free 108kB on behalf of 'syz-execprog' (2171) because [ 819.334589] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 819.334589] Free memory is -13500kB above reserved [ 819.334601] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 819.334601] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 819.334601] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 819.334601] Free memory is -13500kB above reserved [ 819.348181] init: page allocation stalls for 50030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 819.348190] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 819.348206] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 819.348217] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 819.348228] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 819.348230] Call Trace: [ 819.348246] [] dump_stack+0xc1/0x128 [ 819.348256] [] warn_alloc.cold.31+0x7f/0x9c [ 819.348266] [] ? zone_watermark_ok_safe+0x250/0x250 [ 819.348276] [] ? shrink_node+0x740/0x740 [ 819.348285] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 819.348294] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 819.348303] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 819.348312] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 819.348320] [] ? find_get_entry+0x11a/0x570 [ 819.348328] [] ? find_get_entry+0x141/0x570 [ 819.348335] [] ? page_cache_prev_hole+0x80/0x80 [ 819.348343] [] ? pagecache_get_page+0x131/0x710 [ 819.348351] [] filemap_fault+0xaf1/0x1110 [ 819.348360] [] ext4_filemap_fault+0x71/0xa0 [ 819.348368] [] __do_fault+0x223/0x500 [ 819.348375] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 819.348383] [] ? generic_file_readonly_mmap+0x190/0x190 [ 819.348391] [] handle_mm_fault+0x1326/0x2350 [ 819.348399] [] ? vm_insert_page+0x6f0/0x6f0 [ 819.348408] [] ? kvm_clock_get_cycles+0x9/0x10 [ 819.348424] [] __do_page_fault+0x403/0xa60 [ 819.348433] [] ? bad_area_access_error+0x3a0/0x3a0 [ 819.348443] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 819.348450] [] do_page_fault+0x27/0x30 [ 819.348459] [] page_fault+0x25/0x30 [ 819.348463] Mem-Info: [ 819.348481] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 819.348481] active_file:0 inactive_file:41 isolated_file:0 [ 819.348481] unevictable:0 dirty:0 writeback:0 unstable:0 [ 819.348481] slab_reclaimable:4627 slab_unreclaimable:56994 [ 819.348481] mapped:5 shmem:48 pagetables:361 bounce:0 [ 819.348481] free:6001 free_pcp:114 free_cma:0 [ 819.348495] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 819.348515] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 819.348543] Normal free:5312kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227404kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:336kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 819.348602] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 154*8kB (ME) 82*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5312kB 90 total pagecache pages [ 819.348649] 0 pages in swap cache [ 819.348653] Swap cache stats: add 0, delete 0, find 0/0 [ 819.348656] Free swap = 0kB [ 819.348658] Total swap = 0kB [ 819.348661] 1965979 pages RAM [ 819.348663] 0 pages HighMem/MovableOnly [ 819.348665] 313617 pages reserved [ 820.344614] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 820.344614] to free 108kB on behalf of 'blkid' (2353) because [ 820.344614] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 820.344614] Free memory is -13500kB above reserved [ 821.354585] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 821.354585] to free 108kB on behalf of 'cron' (1948) because [ 821.354585] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 821.354585] Free memory is -13500kB above reserved [ 821.354607] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 821.354607] to free 108kB on behalf of 'blkid' (2353) because [ 821.354607] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 821.354607] Free memory is -13500kB above reserved [ 822.364577] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 822.364577] to free 108kB on behalf of 'blkid' (2353) because [ 822.364577] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 822.364577] Free memory is -13500kB above reserved [ 823.374582] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 823.374582] to free 108kB on behalf of 'syz-execprog' (2171) because [ 823.374582] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 823.374582] Free memory is -13508kB above reserved [ 824.384570] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 824.384570] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 824.384570] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 824.384570] Free memory is -13508kB above reserved [ 824.384582] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 824.384582] to free 108kB on behalf of 'syz-execprog' (2160) because [ 824.384582] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 824.384582] Free memory is -13508kB above reserved [ 825.179790] cron: page allocation stalls for 40020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 825.179799] CPU: 1 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 825.179816] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 825.179827] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 825.179838] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 825.179840] Call Trace: [ 825.179855] [] dump_stack+0xc1/0x128 [ 825.179865] [] warn_alloc.cold.31+0x7f/0x9c [ 825.179876] [] ? zone_watermark_ok_safe+0x250/0x250 [ 825.179885] [] ? shrink_node+0x740/0x740 [ 825.179894] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 825.179903] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 825.179912] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 825.179928] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 825.179936] [] ? find_get_entry+0x11a/0x570 [ 825.179943] [] ? find_get_entry+0x141/0x570 [ 825.179951] [] ? page_cache_prev_hole+0x80/0x80 [ 825.179959] [] ? pagecache_get_page+0x131/0x710 [ 825.179967] [] filemap_fault+0xaf1/0x1110 [ 825.179976] [] ext4_filemap_fault+0x71/0xa0 [ 825.179984] [] __do_fault+0x223/0x500 [ 825.179991] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 825.180000] [] ? generic_file_readonly_mmap+0x190/0x190 [ 825.180008] [] handle_mm_fault+0x1326/0x2350 [ 825.180016] [] ? vm_insert_page+0x6f0/0x6f0 [ 825.180024] [] ? hrtimer_nanosleep+0x38c/0x550 [ 825.180034] [] __do_page_fault+0x403/0xa60 [ 825.180042] [] ? bad_area_access_error+0x3a0/0x3a0 [ 825.180052] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 825.180060] [] do_page_fault+0x27/0x30 [ 825.180069] [] page_fault+0x25/0x30 [ 825.180072] Mem-Info: [ 825.180090] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 825.180090] active_file:0 inactive_file:41 isolated_file:0 [ 825.180090] unevictable:0 dirty:0 writeback:0 unstable:0 [ 825.180090] slab_reclaimable:4627 slab_unreclaimable:56998 [ 825.180090] mapped:5 shmem:48 pagetables:361 bounce:0 [ 825.180090] free:5999 free_pcp:112 free_cma:0 [ 825.180105] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 825.180124] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 825.180153] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227420kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:328kB local_pcp:236kB free_cma:0kB ** 4 printk messages dropped ** [ 825.180260] 0 pages in swap cache ** 150 printk messages dropped ** [ 825.955912] Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 825.955924] 0 pages in swap cache [ 825.955928] Swap cache stats: add 0, delete 0, find 0/0 [ 825.955930] Free swap = 0kB [ 825.955933] Total swap = 0kB [ 825.955935] 1965979 pages RAM [ 825.955937] 0 pages HighMem/MovableOnly [ 825.955940] 313617 pages reserved [ 825.969673] blkid: page allocation stalls for 60060ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) ** 42 printk messages dropped ** [ 825.970069] lowmem_reserve[]: 0 0 0 [ 825.970119] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB ** 47 printk messages dropped ** [ 826.305433] lowmem_reserve[]: 0 0 0 [ 826.305485] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB ** 48 printk messages dropped ** [ 826.517898] lowmem_reserve[]: 0 3505 3505 [ 826.517916] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227420kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:328kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 826.517973] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 826.518032] 0 pages in swap cache [ 826.518036] Swap cache stats: add 0, delete 0, find 0/0 [ 826.518039] Free swap = 0kB [ 826.518041] Total swap = 0kB [ 826.518043] 1965979 pages RAM [ 826.518046] 0 pages HighMem/MovableOnly [ 826.518048] 313617 pages reserved [ 827.414558] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 827.414558] to free 108kB on behalf of 'syz-execprog' (2156) because [ 827.414558] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 827.414558] Free memory is -13508kB above reserved [ 828.424558] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 828.424558] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 828.424558] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 828.424558] Free memory is -13508kB above reserved [ 829.337440] init: page allocation stalls for 60020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 829.337450] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 829.337467] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 829.337478] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 829.337489] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 829.337490] Call Trace: [ 829.337506] [] dump_stack+0xc1/0x128 [ 829.337516] [] warn_alloc.cold.31+0x7f/0x9c [ 829.337526] [] ? zone_watermark_ok_safe+0x250/0x250 [ 829.337535] [] ? shrink_node+0x740/0x740 [ 829.337545] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 829.337553] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 829.337563] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 829.337571] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 829.337579] [] ? find_get_entry+0x11a/0x570 [ 829.337587] [] ? find_get_entry+0x141/0x570 [ 829.337595] [] ? page_cache_prev_hole+0x80/0x80 [ 829.337602] [] ? pagecache_get_page+0x131/0x710 [ 829.337610] [] filemap_fault+0xaf1/0x1110 [ 829.337620] [] ext4_filemap_fault+0x71/0xa0 [ 829.337627] [] __do_fault+0x223/0x500 [ 829.337634] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 829.337643] [] ? generic_file_readonly_mmap+0x190/0x190 [ 829.337651] [] handle_mm_fault+0x1326/0x2350 [ 829.337658] [] ? vm_insert_page+0x6f0/0x6f0 [ 829.337669] [] ? kvm_clock_get_cycles+0x9/0x10 [ 829.337678] [] __do_page_fault+0x403/0xa60 [ 829.337686] [] ? bad_area_access_error+0x3a0/0x3a0 [ 829.337696] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 829.337704] [] do_page_fault+0x27/0x30 [ 829.337713] [] page_fault+0x25/0x30 [ 829.337716] Mem-Info: [ 829.337734] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 829.337734] active_file:0 inactive_file:41 isolated_file:0 [ 829.337734] unevictable:0 dirty:0 writeback:0 unstable:0 [ 829.337734] slab_reclaimable:4627 slab_unreclaimable:56998 [ 829.337734] mapped:5 shmem:48 pagetables:361 bounce:0 [ 829.337734] free:5999 free_pcp:112 free_cma:0 [ 829.337748] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 5 printk messages dropped ** [ 829.337898] Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 829.337904] 0 pages in swap cache [ 829.337908] Swap cache stats: add 0, delete 0, find 0/0 [ 829.337910] Free swap = 0kB [ 829.337912] Total swap = 0kB [ 829.337915] 1965979 pages RAM [ 829.337925] 0 pages HighMem/MovableOnly [ 829.337927] 313617 pages reserved [ 829.434602] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 829.434602] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 829.434602] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 829.434602] Free memory is -13508kB above reserved [ 829.434614] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 829.434614] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 829.434614] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 829.434614] Free memory is -13508kB above reserved [ 830.444588] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 830.444588] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 830.444588] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 830.444588] Free memory is -13508kB above reserved [ 831.454574] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 831.454574] to free 108kB on behalf of 'syz-execprog' (2156) because [ 831.454574] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 831.454574] Free memory is -13508kB above reserved [ 832.464628] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 832.464628] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 832.464628] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 832.464628] Free memory is -13508kB above reserved [ 833.474570] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 833.474570] to free 108kB on behalf of 'udevd' (589) because [ 833.474570] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 833.474570] Free memory is -13508kB above reserved [ 833.474594] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 833.474594] to free 108kB on behalf of 'syz-execprog' (2160) because [ 833.474594] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 833.474594] Free memory is -13508kB above reserved [ 834.484659] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 834.484659] to free 108kB on behalf of 'blkid' (2353) because [ 834.484659] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 834.484659] Free memory is -13508kB above reserved [ 834.484671] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 834.484671] to free 108kB on behalf of 'syz-execprog' (2163) because [ 834.484671] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 834.484671] Free memory is -13508kB above reserved [ 835.176506] cron: page allocation stalls for 50020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 835.176517] CPU: 0 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 835.176533] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 835.176544] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 835.176555] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 835.176557] Call Trace: [ 835.176576] [] dump_stack+0xc1/0x128 [ 835.176585] [] warn_alloc.cold.31+0x7f/0x9c [ 835.176595] [] ? zone_watermark_ok_safe+0x250/0x250 [ 835.176604] [] ? shrink_node+0x740/0x740 [ 835.176613] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 835.176622] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 835.176631] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 835.176640] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 835.176650] [] ? find_get_entry+0x11a/0x570 [ 835.176658] [] ? find_get_entry+0x141/0x570 [ 835.176665] [] ? page_cache_prev_hole+0x80/0x80 [ 835.176673] [] ? pagecache_get_page+0x131/0x710 [ 835.176681] [] filemap_fault+0xaf1/0x1110 [ 835.176690] [] ext4_filemap_fault+0x71/0xa0 [ 835.176698] [] __do_fault+0x223/0x500 [ 835.176705] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 835.176714] [] ? generic_file_readonly_mmap+0x190/0x190 [ 835.176721] [] handle_mm_fault+0x1326/0x2350 [ 835.176729] [] ? vm_insert_page+0x6f0/0x6f0 [ 835.176738] [] ? hrtimer_nanosleep+0x38c/0x550 [ 835.176747] [] __do_page_fault+0x403/0xa60 [ 835.176755] [] ? bad_area_access_error+0x3a0/0x3a0 [ 835.176765] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 835.176772] [] do_page_fault+0x27/0x30 [ 835.176781] [] page_fault+0x25/0x30 [ 835.176785] Mem-Info: [ 835.176803] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 835.176803] active_file:0 inactive_file:41 isolated_file:0 [ 835.176803] unevictable:0 dirty:0 writeback:0 unstable:0 [ 835.176803] slab_reclaimable:4627 slab_unreclaimable:56998 [ 835.176803] mapped:5 shmem:48 pagetables:361 bounce:0 [ 835.176803] free:5999 free_pcp:112 free_cma:0 [ 835.176818] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 835.176837] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 835.176865] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227420kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:328kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 835.176923] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 835.176970] 0 pages in swap cache [ 835.176975] Swap cache stats: add 0, delete 0, find 0/0 [ 835.176977] Free swap = 0kB [ 835.176979] Total swap = 0kB [ 835.176982] 1965979 pages RAM [ 835.176984] 0 pages HighMem/MovableOnly [ 835.176986] 313617 pages reserved [ 835.494599] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 835.494599] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 835.494599] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 835.494599] Free memory is -13508kB above reserved [ 835.494619] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 835.494619] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 835.494619] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 835.494619] Free memory is -13508kB above reserved [ 835.879833] syz-execprog: page allocation stalls for 70030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 835.879856] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 835.879898] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 835.879909] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 835.879940] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 835.879954] Call Trace: [ 835.879970] [] dump_stack+0xc1/0x128 [ 835.879980] [] warn_alloc.cold.31+0x7f/0x9c [ 835.879990] [] ? zone_watermark_ok_safe+0x250/0x250 [ 835.880005] [] ? shrink_node+0x740/0x740 [ 835.880015] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 835.880023] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 835.880032] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 835.880042] [] ? check_preemption_disabled+0x3b/0x200 [ 835.880049] [] ? find_get_entry+0x11a/0x570 [ 835.880057] [] ? find_get_entry+0x141/0x570 [ 835.880064] [] ? page_cache_prev_hole+0x80/0x80 [ 835.880072] [] ? trace_hardirqs_on+0x10/0x10 [ 835.880080] [] ? pagecache_get_page+0x131/0x710 [ 835.880088] [] filemap_fault+0xaf1/0x1110 [ 835.880097] [] ext4_filemap_fault+0x71/0xa0 [ 835.880104] [] __do_fault+0x223/0x500 [ 835.880112] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 835.880120] [] ? handle_mm_fault+0x1d4f/0x2350 [ 835.880128] [] handle_mm_fault+0x1326/0x2350 [ 835.880137] [] ? poll_select_set_timeout+0xb5/0x120 [ 835.880144] [] ? vm_insert_page+0x6f0/0x6f0 [ 835.880154] [] __do_page_fault+0x403/0xa60 [ 835.880162] [] ? __fget_light+0x169/0x1f0 [ 835.880171] [] ? bad_area_access_error+0x3a0/0x3a0 [ 835.880181] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 835.880188] [] do_page_fault+0x27/0x30 [ 835.880197] [] page_fault+0x25/0x30 [ 835.880200] Mem-Info: [ 835.880219] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 835.880219] active_file:0 inactive_file:41 isolated_file:0 [ 835.880219] unevictable:0 dirty:0 writeback:0 unstable:0 [ 835.880219] slab_reclaimable:4627 slab_unreclaimable:56998 [ 835.880219] mapped:5 shmem:48 pagetables:361 bounce:0 [ 835.880219] free:5999 free_pcp:112 free_cma:0 ** 159 printk messages dropped ** [ 835.965736] lowmem_reserve[]: 0 0 0 [ 835.965786] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 835.965832] 0 pages in swap cache [ 835.965837] Swap cache stats: add 0, delete 0, find 0/0 ** 43 printk messages dropped ** [ 836.300064] lowmem_reserve[]: 0 0 0 [ 836.300115] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB ** 48 printk messages dropped ** [ 836.529480] lowmem_reserve[]: 0 3505 3505 [ 836.529498] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227420kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:328kB local_pcp:236kB free_cma:0kB ** 48 printk messages dropped ** [ 836.635450] lowmem_reserve[]: 0 3505 3505 [ 836.635469] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227420kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:328kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 836.635529] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 836.635575] 0 pages in swap cache [ 836.635579] Swap cache stats: add 0, delete 0, find 0/0 [ 836.635582] Free swap = 0kB [ 836.635584] Total swap = 0kB [ 836.635586] 1965979 pages RAM [ 836.635589] 0 pages HighMem/MovableOnly [ 836.635591] 313617 pages reserved [ 837.514573] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 837.514573] to free 108kB on behalf of 'udevd' (588) because [ 837.514573] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 837.514573] Free memory is -13508kB above reserved [ 838.524631] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 838.524631] to free 108kB on behalf of 'syz-execprog' (2156) because [ 838.524631] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 838.524631] Free memory is -13508kB above reserved [ 839.351385] init: page allocation stalls for 70030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 839.351394] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 839.351411] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 839.351421] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 839.351431] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 839.351433] Call Trace: [ 839.351449] [] dump_stack+0xc1/0x128 [ 839.351459] [] warn_alloc.cold.31+0x7f/0x9c [ 839.351470] [] ? zone_watermark_ok_safe+0x250/0x250 [ 839.351479] [] ? shrink_node+0x740/0x740 [ 839.351489] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 839.351497] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 839.351506] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 839.351515] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 839.351523] [] ? find_get_entry+0x11a/0x570 [ 839.351531] [] ? find_get_entry+0x141/0x570 [ 839.351538] [] ? page_cache_prev_hole+0x80/0x80 [ 839.351546] [] ? pagecache_get_page+0x131/0x710 [ 839.351554] [] filemap_fault+0xaf1/0x1110 [ 839.351564] [] ext4_filemap_fault+0x71/0xa0 [ 839.351571] [] __do_fault+0x223/0x500 [ 839.351578] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 839.351587] [] ? generic_file_readonly_mmap+0x190/0x190 [ 839.351595] [] handle_mm_fault+0x1326/0x2350 [ 839.351602] [] ? vm_insert_page+0x6f0/0x6f0 [ 839.351613] [] ? kvm_clock_get_cycles+0x9/0x10 [ 839.351622] [] __do_page_fault+0x403/0xa60 [ 839.351630] [] ? bad_area_access_error+0x3a0/0x3a0 [ 839.351640] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 839.351648] [] do_page_fault+0x27/0x30 [ 839.351656] [] page_fault+0x25/0x30 [ 839.351660] Mem-Info: [ 839.351678] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 839.351678] active_file:0 inactive_file:41 isolated_file:0 [ 839.351678] unevictable:0 dirty:0 writeback:0 unstable:0 [ 839.351678] slab_reclaimable:4627 slab_unreclaimable:56998 [ 839.351678] mapped:5 shmem:48 pagetables:361 bounce:0 [ 839.351678] free:5999 free_pcp:112 free_cma:0 ** 6 printk messages dropped ** [ 839.351842] Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 839.351847] 0 pages in swap cache [ 839.351852] Swap cache stats: add 0, delete 0, find 0/0 [ 839.351854] Free swap = 0kB [ 839.351856] Total swap = 0kB [ 839.351859] 1965979 pages RAM [ 839.351861] 0 pages HighMem/MovableOnly [ 839.351863] 313617 pages reserved [ 839.534548] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 839.534548] to free 108kB on behalf of 'blkid' (2353) because [ 839.534548] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 839.534548] Free memory is -13508kB above reserved [ 839.534560] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 839.534560] to free 108kB on behalf of 'syz-execprog' (2160) because [ 839.534560] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 839.534560] Free memory is -13508kB above reserved [ 840.544575] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 840.544575] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 840.544575] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 840.544575] Free memory is -13508kB above reserved [ 840.544586] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 840.544586] to free 108kB on behalf of 'udevd' (588) because [ 840.544586] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 840.544586] Free memory is -13508kB above reserved [ 840.605990] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 840.605990] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 840.605990] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 840.605990] Free memory is -13508kB above reserved [ 841.614596] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 841.614596] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 841.614596] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 841.614596] Free memory is -13508kB above reserved [ 841.614615] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 841.614615] to free 108kB on behalf of 'blkid' (2353) because [ 841.614615] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 841.614615] Free memory is -13508kB above reserved [ 842.624600] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 842.624600] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 842.624600] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 842.624600] Free memory is -13508kB above reserved [ 842.624611] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 842.624611] to free 108kB on behalf of 'blkid' (2353) because [ 842.624611] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 842.624611] Free memory is -13508kB above reserved [ 843.634602] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 843.634602] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 843.634602] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 843.634602] Free memory is -13508kB above reserved [ 843.634614] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 843.634614] to free 108kB on behalf of 'cron' (1948) because [ 843.634614] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 843.634614] Free memory is -13508kB above reserved [ 844.644564] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 844.644564] to free 108kB on behalf of 'blkid' (2353) because [ 844.644564] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 844.644564] Free memory is -13508kB above reserved [ 844.644575] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 844.644575] to free 108kB on behalf of 'init' (1) because [ 844.644575] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 844.644575] Free memory is -13508kB above reserved [ 845.166019] cron: page allocation stalls for 60010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 845.166029] CPU: 1 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 845.166048] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 845.166059] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 845.166069] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 845.166071] Call Trace: [ 845.166087] [] dump_stack+0xc1/0x128 [ 845.166098] [] warn_alloc.cold.31+0x7f/0x9c [ 845.166108] [] ? zone_watermark_ok_safe+0x250/0x250 [ 845.166117] [] ? shrink_node+0x740/0x740 [ 845.166127] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 845.166136] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 845.166145] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 845.166153] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 845.166161] [] ? find_get_entry+0x11a/0x570 [ 845.166169] [] ? find_get_entry+0x141/0x570 [ 845.166176] [] ? page_cache_prev_hole+0x80/0x80 [ 845.166184] [] ? pagecache_get_page+0x131/0x710 [ 845.166193] [] filemap_fault+0xaf1/0x1110 [ 845.166202] [] ext4_filemap_fault+0x71/0xa0 [ 845.166210] [] __do_fault+0x223/0x500 [ 845.166217] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 845.166225] [] ? generic_file_readonly_mmap+0x190/0x190 [ 845.166233] [] handle_mm_fault+0x1326/0x2350 [ 845.166241] [] ? vm_insert_page+0x6f0/0x6f0 [ 845.166249] [] ? hrtimer_nanosleep+0x38c/0x550 [ 845.166259] [] __do_page_fault+0x403/0xa60 [ 845.166267] [] ? bad_area_access_error+0x3a0/0x3a0 [ 845.166278] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 845.166285] [] do_page_fault+0x27/0x30 [ 845.166294] [] page_fault+0x25/0x30 [ 845.166298] Mem-Info: [ 845.166316] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 845.166316] active_file:0 inactive_file:41 isolated_file:0 [ 845.166316] unevictable:0 dirty:0 writeback:0 unstable:0 [ 845.166316] slab_reclaimable:4627 slab_unreclaimable:56999 [ 845.166316] mapped:5 shmem:48 pagetables:361 bounce:0 [ 845.166316] free:5999 free_pcp:111 free_cma:0 [ 845.166330] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 845.166350] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 845.166379] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 845.166437] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 845.166484] 0 pages in swap cache [ 845.166488] Swap cache stats: add 0, delete 0, find 0/0 [ 845.166490] Free swap = 0kB [ 845.166493] Total swap = 0kB [ 845.166495] 1965979 pages RAM [ 845.166497] 0 pages HighMem/MovableOnly [ 845.166500] 313617 pages reserved [ 845.654557] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 845.654557] to free 108kB on behalf of 'blkid' (2353) because [ 845.654557] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 845.654557] Free memory is -13508kB above reserved [ 845.865238] syz-execprog: page allocation stalls for 80020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 845.865248] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 845.865266] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 845.865277] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 845.865288] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 845.865290] Call Trace: [ 845.865307] [] dump_stack+0xc1/0x128 [ 845.865317] [] warn_alloc.cold.31+0x7f/0x9c [ 845.865327] [] ? zone_watermark_ok_safe+0x250/0x250 [ 845.865336] [] ? shrink_node+0x740/0x740 [ 845.865346] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 845.865354] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 845.865364] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 845.865373] [] ? check_preemption_disabled+0x3b/0x200 [ 845.865381] [] ? find_get_entry+0x11a/0x570 [ 845.865388] [] ? find_get_entry+0x141/0x570 [ 845.865396] [] ? page_cache_prev_hole+0x80/0x80 [ 845.865404] [] ? trace_hardirqs_on+0x10/0x10 [ 845.865412] [] ? pagecache_get_page+0x131/0x710 [ 845.865419] [] filemap_fault+0xaf1/0x1110 [ 845.865430] [] ext4_filemap_fault+0x71/0xa0 [ 845.865437] [] __do_fault+0x223/0x500 ** 13 printk messages dropped ** [ 845.865567] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 156 printk messages dropped ** [ 845.955189] lowmem_reserve[]: 0 3505 3505 [ 845.955208] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB ** 47 printk messages dropped ** [ 846.365002] lowmem_reserve[]: 0 3505 3505 [ 846.365020] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB ** 98 printk messages dropped ** [ 846.605213] lowmem_reserve[]: 0 3505 3505 [ 846.605232] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 846.605296] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 846.605343] 0 pages in swap cache [ 846.605347] Swap cache stats: add 0, delete 0, find 0/0 [ 846.605350] Free swap = 0kB [ 846.605352] Total swap = 0kB [ 846.605354] 1965979 pages RAM [ 846.605357] 0 pages HighMem/MovableOnly [ 846.605359] 313617 pages reserved [ 846.664574] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 846.664574] to free 108kB on behalf of 'udevd' (588) because [ 846.664574] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 846.664574] Free memory is -13508kB above reserved [ 847.674582] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 847.674582] to free 108kB on behalf of 'cron' (1948) because [ 847.674582] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 847.674582] Free memory is -13508kB above reserved [ 847.674594] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 847.674594] to free 108kB on behalf of 'syz-execprog' (2156) because [ 847.674594] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 847.674594] Free memory is -13508kB above reserved [ 848.684561] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 848.684561] to free 108kB on behalf of 'cron' (1948) because [ 848.684561] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 848.684561] Free memory is -13508kB above reserved [ 848.684573] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 848.684573] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 848.684573] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 848.684573] Free memory is -13508kB above reserved [ 849.370323] init: page allocation stalls for 80050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 849.370333] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 849.370350] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 849.370361] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 849.370372] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 849.370374] Call Trace: [ 849.370389] [] dump_stack+0xc1/0x128 [ 849.370399] [] warn_alloc.cold.31+0x7f/0x9c [ 849.370409] [] ? zone_watermark_ok_safe+0x250/0x250 [ 849.370419] [] ? shrink_node+0x740/0x740 [ 849.370429] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 849.370437] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 849.370447] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 849.370456] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 849.370463] [] ? find_get_entry+0x11a/0x570 [ 849.370471] [] ? find_get_entry+0x141/0x570 [ 849.370478] [] ? page_cache_prev_hole+0x80/0x80 [ 849.370486] [] ? pagecache_get_page+0x131/0x710 [ 849.370494] [] filemap_fault+0xaf1/0x1110 [ 849.370503] [] ext4_filemap_fault+0x71/0xa0 [ 849.370511] [] __do_fault+0x223/0x500 [ 849.370518] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 849.370527] [] ? generic_file_readonly_mmap+0x190/0x190 [ 849.370535] [] handle_mm_fault+0x1326/0x2350 ** 11 printk messages dropped ** [ 849.370660] lowmem_reserve[]: 0 3505 3505 [ 849.370680] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 849.370740] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 849.370787] 0 pages in swap cache [ 849.370791] Swap cache stats: add 0, delete 0, find 0/0 [ 849.370793] Free swap = 0kB [ 849.370795] Total swap = 0kB [ 849.370798] 1965979 pages RAM [ 849.370800] 0 pages HighMem/MovableOnly [ 849.370802] 313617 pages reserved [ 849.694576] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 849.694576] to free 108kB on behalf of 'syz-execprog' (2156) because [ 849.694576] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 849.694576] Free memory is -13508kB above reserved [ 849.694588] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 849.694588] to free 108kB on behalf of 'init' (1) because [ 849.694588] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 849.694588] Free memory is -13508kB above reserved [ 850.704571] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 850.704571] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 850.704571] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 850.704571] Free memory is -13508kB above reserved [ 851.714623] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 851.714623] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 851.714623] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 851.714623] Free memory is -13508kB above reserved [ 852.724568] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 852.724568] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 852.724568] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 852.724568] Free memory is -13508kB above reserved [ 853.734587] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 853.734587] to free 108kB on behalf of 'syz-execprog' (2156) because [ 853.734587] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 853.734587] Free memory is -13508kB above reserved [ 854.744576] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 854.744576] to free 108kB on behalf of 'syz-execprog' (2163) because [ 854.744576] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 854.744576] Free memory is -13508kB above reserved [ 855.206930] cron: page allocation stalls for 70050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 855.206940] CPU: 0 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 855.206957] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 855.206967] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 855.206978] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 855.206980] Call Trace: [ 855.206996] [] dump_stack+0xc1/0x128 [ 855.207007] [] warn_alloc.cold.31+0x7f/0x9c [ 855.207017] [] ? zone_watermark_ok_safe+0x250/0x250 [ 855.207026] [] ? shrink_node+0x740/0x740 [ 855.207035] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 855.207044] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 855.207053] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 855.207062] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 855.207070] [] ? find_get_entry+0x11a/0x570 [ 855.207077] [] ? find_get_entry+0x141/0x570 [ 855.207084] [] ? page_cache_prev_hole+0x80/0x80 [ 855.207092] [] ? pagecache_get_page+0x131/0x710 [ 855.207100] [] filemap_fault+0xaf1/0x1110 [ 855.207109] [] ext4_filemap_fault+0x71/0xa0 [ 855.207117] [] __do_fault+0x223/0x500 [ 855.207124] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 855.207132] [] ? generic_file_readonly_mmap+0x190/0x190 [ 855.207140] [] handle_mm_fault+0x1326/0x2350 [ 855.207148] [] ? vm_insert_page+0x6f0/0x6f0 [ 855.207156] [] ? hrtimer_nanosleep+0x38c/0x550 [ 855.207166] [] __do_page_fault+0x403/0xa60 [ 855.207174] [] ? bad_area_access_error+0x3a0/0x3a0 [ 855.207184] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 855.207192] [] do_page_fault+0x27/0x30 [ 855.207201] [] page_fault+0x25/0x30 [ 855.207204] Mem-Info: [ 855.207222] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 855.207222] active_file:0 inactive_file:41 isolated_file:0 [ 855.207222] unevictable:0 dirty:0 writeback:0 unstable:0 [ 855.207222] slab_reclaimable:4627 slab_unreclaimable:56999 [ 855.207222] mapped:5 shmem:48 pagetables:361 bounce:0 [ 855.207222] free:5999 free_pcp:111 free_cma:0 [ 855.207237] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 855.207256] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 855.207285] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 855.207344] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 855.207391] 0 pages in swap cache [ 855.207396] Swap cache stats: add 0, delete 0, find 0/0 [ 855.207398] Free swap = 0kB [ 855.207400] Total swap = 0kB [ 855.207402] 1965979 pages RAM [ 855.207404] 0 pages HighMem/MovableOnly [ 855.207407] 313617 pages reserved [ 855.754586] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 855.754586] to free 108kB on behalf of 'udevd' (588) because [ 855.754586] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 855.754586] Free memory is -13508kB above reserved [ 855.856666] syz-execprog: page allocation stalls for 90010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 855.856676] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 855.856694] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 855.856705] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 855.856716] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 855.856718] Call Trace: [ 855.856734] [] dump_stack+0xc1/0x128 [ 855.856744] [] warn_alloc.cold.31+0x7f/0x9c [ 855.856754] [] ? zone_watermark_ok_safe+0x250/0x250 [ 855.856764] [] ? shrink_node+0x740/0x740 [ 855.856774] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 855.856782] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 855.856792] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 855.856801] [] ? check_preemption_disabled+0x3b/0x200 [ 855.856809] [] ? find_get_entry+0x11a/0x570 [ 855.856817] [] ? find_get_entry+0x141/0x570 [ 855.856824] [] ? page_cache_prev_hole+0x80/0x80 [ 855.856832] [] ? trace_hardirqs_on+0x10/0x10 [ 855.856839] [] ? pagecache_get_page+0x131/0x710 [ 855.856848] [] filemap_fault+0xaf1/0x1110 [ 855.856857] [] ext4_filemap_fault+0x71/0xa0 [ 855.856864] [] __do_fault+0x223/0x500 [ 855.856872] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 855.856880] [] ? handle_mm_fault+0x1d4f/0x2350 [ 855.856888] [] handle_mm_fault+0x1326/0x2350 [ 855.856897] [] ? poll_select_set_timeout+0xb5/0x120 [ 855.856905] [] ? vm_insert_page+0x6f0/0x6f0 [ 855.856915] [] __do_page_fault+0x403/0xa60 [ 855.856923] [] ? __fget_light+0x169/0x1f0 [ 855.856932] [] ? bad_area_access_error+0x3a0/0x3a0 [ 855.856942] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 855.856949] [] do_page_fault+0x27/0x30 [ 855.856958] [] page_fault+0x25/0x30 [ 855.856962] Mem-Info: [ 855.856981] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 855.856981] active_file:0 inactive_file:41 isolated_file:0 [ 855.856981] unevictable:0 dirty:0 writeback:0 unstable:0 [ 855.856981] slab_reclaimable:4627 slab_unreclaimable:56999 [ 855.856981] mapped:5 shmem:48 pagetables:361 bounce:0 [ 855.856981] free:5999 free_pcp:111 free_cma:0 [ 855.856995] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 855.857014] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 855.857042] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 855.857102] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 855.857149] 0 pages in swap cache [ 855.857153] Swap cache stats: add 0, delete 0, find 0/0 [ 855.857156] Free swap = 0kB [ 855.857158] Total swap = 0kB [ 855.857160] 1965979 pages RAM [ 855.857163] 0 pages HighMem/MovableOnly [ 855.857165] 313617 pages reserved [ 855.935662] syz-execprog: page allocation stalls for 90010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 855.935672] CPU: 1 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 855.935689] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 855.935700] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 855.935710] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 855.935712] Call Trace: [ 855.935728] [] dump_stack+0xc1/0x128 [ 855.935738] [] warn_alloc.cold.31+0x7f/0x9c [ 855.935748] [] ? zone_watermark_ok_safe+0x250/0x250 [ 855.935757] [] ? shrink_node+0x740/0x740 [ 855.935766] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 855.935775] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 855.935784] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 855.935793] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 855.935801] [] ? find_get_entry+0x11a/0x570 [ 855.935808] [] ? find_get_entry+0x141/0x570 [ 855.935816] [] ? page_cache_prev_hole+0x80/0x80 [ 855.935825] [] ? autoremove_wake_function+0x40/0x40 [ 855.935833] [] ? pagecache_get_page+0x131/0x710 [ 855.935841] [] filemap_fault+0xaf1/0x1110 [ 855.935850] [] ext4_filemap_fault+0x71/0xa0 [ 855.935858] [] __do_fault+0x223/0x500 [ 855.935865] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 855.935874] [] ? generic_file_readonly_mmap+0x190/0x190 [ 855.935881] [] handle_mm_fault+0x1326/0x2350 [ 855.935889] [] ? vm_insert_page+0x6f0/0x6f0 [ 855.935898] [] ? selinux_file_permission+0x82/0x470 [ 855.935909] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 855.935925] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 855.935935] [] __do_page_fault+0x403/0xa60 [ 855.935943] [] ? bad_area_access_error+0x3a0/0x3a0 [ 855.935953] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 855.935961] [] do_page_fault+0x27/0x30 [ 855.935970] [] page_fault+0x25/0x30 ** 108 printk messages dropped ** [ 855.960012] lowmem_reserve[]: 0 3505 3505 [ 855.960032] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 855.960091] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 855.960137] 0 pages in swap cache [ 855.960141] Swap cache stats: add 0, delete 0, find 0/0 [ 855.960144] Free swap = 0kB ** 42 printk messages dropped ** [ 856.346900] lowmem_reserve[]: 0 0 0 [ 856.346959] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 856.347006] 0 pages in swap cache [ 856.347011] Swap cache stats: add 0, delete 0, find 0/0 ** 29 printk messages dropped ** [ 856.497848] [] handle_mm_fault+0x1326/0x2350 [ 856.497855] [] ? vm_insert_page+0x6f0/0x6f0 ** 63 printk messages dropped ** [ 856.598812] lowmem_reserve[]: 0 0 0 [ 856.598863] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 856.598910] 0 pages in swap cache [ 856.598915] Swap cache stats: add 0, delete 0, find 0/0 [ 856.598925] Free swap = 0kB [ 856.598927] Total swap = 0kB [ 856.598930] 1965979 pages RAM [ 856.598932] 0 pages HighMem/MovableOnly [ 856.598934] 313617 pages reserved [ 856.764561] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 856.764561] to free 108kB on behalf of 'cron' (1948) because [ 856.764561] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 856.764561] Free memory is -13508kB above reserved [ 856.764572] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 856.764572] to free 108kB on behalf of 'udevd' (588) because [ 856.764572] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 856.764572] Free memory is -13508kB above reserved [ 857.774591] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 857.774591] to free 108kB on behalf of 'syz-execprog' (2156) because [ 857.774591] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 857.774591] Free memory is -13508kB above reserved [ 858.784587] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 858.784587] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 858.784587] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 858.784587] Free memory is -13508kB above reserved [ 858.784599] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 858.784599] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 858.784599] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 858.784599] Free memory is -13508kB above reserved [ 859.375795] init: page allocation stalls for 90060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 859.375803] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 859.375830] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 859.375841] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 859.375851] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 859.375853] Call Trace: [ 859.375870] [] dump_stack+0xc1/0x128 [ 859.375881] [] warn_alloc.cold.31+0x7f/0x9c [ 859.375891] [] ? zone_watermark_ok_safe+0x250/0x250 [ 859.375900] [] ? shrink_node+0x740/0x740 [ 859.375909] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 859.375925] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 859.375934] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 859.375960] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 859.375968] [] ? find_get_entry+0x11a/0x570 [ 859.375976] [] ? find_get_entry+0x141/0x570 [ 859.375983] [] ? page_cache_prev_hole+0x80/0x80 [ 859.375991] [] ? pagecache_get_page+0x131/0x710 [ 859.375999] [] filemap_fault+0xaf1/0x1110 [ 859.376009] [] ext4_filemap_fault+0x71/0xa0 [ 859.376016] [] __do_fault+0x223/0x500 [ 859.376023] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 859.376032] [] ? generic_file_readonly_mmap+0x190/0x190 [ 859.376040] [] handle_mm_fault+0x1326/0x2350 [ 859.376047] [] ? vm_insert_page+0x6f0/0x6f0 [ 859.376058] [] ? kvm_clock_get_cycles+0x9/0x10 [ 859.376067] [] __do_page_fault+0x403/0xa60 [ 859.376075] [] ? bad_area_access_error+0x3a0/0x3a0 [ 859.376086] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 859.376093] [] do_page_fault+0x27/0x30 [ 859.376102] [] page_fault+0x25/0x30 [ 859.376106] Mem-Info: [ 859.376124] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 859.376124] active_file:0 inactive_file:41 isolated_file:0 [ 859.376124] unevictable:0 dirty:0 writeback:0 unstable:0 [ 859.376124] slab_reclaimable:4627 slab_unreclaimable:56999 [ 859.376124] mapped:5 shmem:48 pagetables:361 bounce:0 [ 859.376124] free:5999 free_pcp:111 free_cma:0 [ 859.376139] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 859.376159] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 859.376187] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 859.376270] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 859.376339] 0 pages in swap cache [ 859.376344] Swap cache stats: add 0, delete 0, find 0/0 [ 859.376359] Free swap = 0kB [ 859.376361] Total swap = 0kB [ 859.376363] 1965979 pages RAM [ 859.376366] 0 pages HighMem/MovableOnly [ 859.376368] 313617 pages reserved [ 859.794561] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 859.794561] to free 108kB on behalf of 'syz-execprog' (2160) because [ 859.794561] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 859.794561] Free memory is -13508kB above reserved [ 860.804572] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 860.804572] to free 108kB on behalf of 'blkid' (2353) because [ 860.804572] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 860.804572] Free memory is -13508kB above reserved [ 861.814608] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 861.814608] to free 108kB on behalf of 'syz-execprog' (2163) because [ 861.814608] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 861.814608] Free memory is -13508kB above reserved [ 862.824582] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 862.824582] to free 108kB on behalf of 'udevd' (589) because [ 862.824582] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 862.824582] Free memory is -13508kB above reserved [ 863.834557] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 863.834557] to free 108kB on behalf of 'udevd' (588) because [ 863.834557] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 863.834557] Free memory is -13508kB above reserved [ 864.844585] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 864.844585] to free 108kB on behalf of 'syz-execprog' (2163) because [ 864.844585] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 864.844585] Free memory is -13508kB above reserved [ 864.844596] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 864.844596] to free 108kB on behalf of 'cron' (1948) because [ 864.844596] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 864.844596] Free memory is -13508kB above reserved [ 864.904556] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 864.904556] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 864.904556] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 864.904556] Free memory is -13508kB above reserved [ 865.179661] cron: page allocation stalls for 80020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 865.179670] CPU: 0 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 865.179687] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 865.179698] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 865.179708] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 865.179710] Call Trace: [ 865.179726] [] dump_stack+0xc1/0x128 [ 865.179736] [] warn_alloc.cold.31+0x7f/0x9c [ 865.179746] [] ? zone_watermark_ok_safe+0x250/0x250 [ 865.179755] [] ? shrink_node+0x740/0x740 [ 865.179764] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 865.179772] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 865.179782] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 865.179791] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 865.179798] [] ? find_get_entry+0x11a/0x570 [ 865.179806] [] ? find_get_entry+0x141/0x570 [ 865.179813] [] ? page_cache_prev_hole+0x80/0x80 [ 865.179821] [] ? pagecache_get_page+0x131/0x710 [ 865.179829] [] filemap_fault+0xaf1/0x1110 [ 865.179839] [] ext4_filemap_fault+0x71/0xa0 [ 865.179846] [] __do_fault+0x223/0x500 [ 865.179853] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 865.179862] [] ? generic_file_readonly_mmap+0x190/0x190 [ 865.179870] [] handle_mm_fault+0x1326/0x2350 [ 865.179877] [] ? vm_insert_page+0x6f0/0x6f0 [ 865.179886] [] ? hrtimer_nanosleep+0x38c/0x550 [ 865.179896] [] __do_page_fault+0x403/0xa60 [ 865.179904] [] ? bad_area_access_error+0x3a0/0x3a0 [ 865.179914] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 865.179920] [] do_page_fault+0x27/0x30 [ 865.179929] [] page_fault+0x25/0x30 [ 865.179933] Mem-Info: [ 865.179951] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 865.179951] active_file:0 inactive_file:41 isolated_file:0 [ 865.179951] unevictable:0 dirty:0 writeback:0 unstable:0 [ 865.179951] slab_reclaimable:4627 slab_unreclaimable:56999 [ 865.179951] mapped:5 shmem:48 pagetables:361 bounce:0 [ 865.179951] free:5999 free_pcp:111 free_cma:0 [ 865.179966] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 865.179986] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 865.180014] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 865.180074] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 865.180120] 0 pages in swap cache [ 865.180125] Swap cache stats: add 0, delete 0, find 0/0 [ 865.180127] Free swap = 0kB [ 865.180129] Total swap = 0kB [ 865.180132] 1965979 pages RAM [ 865.180134] 0 pages HighMem/MovableOnly [ 865.180136] 313617 pages reserved [ 865.909901] syz-execprog: page allocation stalls for 100060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 865.909911] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 865.909941] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 865.909952] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 865.909962] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 865.909964] Call Trace: [ 865.909998] [] dump_stack+0xc1/0x128 [ 865.910019] [] warn_alloc.cold.31+0x7f/0x9c [ 865.910028] [] ? zone_watermark_ok_safe+0x250/0x250 [ 865.910037] [] ? shrink_node+0x740/0x740 [ 865.910045] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 865.910053] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 865.910062] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 865.910070] [] ? check_preemption_disabled+0x3b/0x200 [ 865.910077] [] ? find_get_entry+0x11a/0x570 [ 865.910084] [] ? find_get_entry+0x141/0x570 [ 865.910090] [] ? page_cache_prev_hole+0x80/0x80 [ 865.910098] [] ? trace_hardirqs_on+0x10/0x10 [ 865.910117] [] ? pagecache_get_page+0x131/0x710 [ 865.910125] [] filemap_fault+0xaf1/0x1110 [ 865.910134] [] ext4_filemap_fault+0x71/0xa0 [ 865.910140] [] __do_fault+0x223/0x500 [ 865.910147] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 865.910155] [] ? handle_mm_fault+0x1d4f/0x2350 [ 865.910163] [] handle_mm_fault+0x1326/0x2350 [ 865.910172] [] ? poll_select_set_timeout+0xb5/0x120 [ 865.910192] [] ? vm_insert_page+0x6f0/0x6f0 [ 865.910203] [] __do_page_fault+0x403/0xa60 [ 865.910211] [] ? __fget_light+0x169/0x1f0 [ 865.910219] [] ? bad_area_access_error+0x3a0/0x3a0 [ 865.910228] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 865.910236] [] do_page_fault+0x27/0x30 [ 865.910244] [] page_fault+0x25/0x30 [ 865.910248] Mem-Info: [ 865.910266] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 865.910266] active_file:0 inactive_file:41 isolated_file:0 [ 865.910266] unevictable:0 dirty:0 writeback:0 unstable:0 [ 865.910266] slab_reclaimable:4627 slab_unreclaimable:56999 [ 865.910266] mapped:5 shmem:48 pagetables:361 bounce:0 [ 865.910266] free:5999 free_pcp:111 free_cma:0 [ 865.910279] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 865.910322] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 865.910362] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 865.910421] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 865.910468] 0 pages in swap cache [ 865.910472] Swap cache stats: add 0, delete 0, find 0/0 [ 865.910474] Free swap = 0kB [ 865.910477] Total swap = 0kB [ 865.910479] 1965979 pages RAM [ 865.910481] 0 pages HighMem/MovableOnly [ 865.910484] 313617 pages reserved [ 865.914575] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 865.914575] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 865.914575] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 865.914575] Free memory is -13508kB above reserved [ 865.914597] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 865.914597] to free 108kB on behalf of 'syz-execprog' (2163) because [ 865.914597] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 865.914597] Free memory is -13508kB above reserved [ 865.927286] blkid: page allocation stalls for 100020ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 865.927295] CPU: 1 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 865.927311] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 865.927321] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 865.927332] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 865.927334] Call Trace: [ 865.927348] [] dump_stack+0xc1/0x128 [ 865.927357] [] warn_alloc.cold.31+0x7f/0x9c [ 865.927366] [] ? zone_watermark_ok_safe+0x250/0x250 [ 865.927375] [] ? shrink_node+0x740/0x740 [ 865.927384] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 865.927393] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 865.927402] [] ? trace_hardirqs_on+0x10/0x10 [ 865.927410] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 865.927418] [] ? validate_mm+0x2f4/0x580 [ 865.927425] [] ? validate_mm+0x32e/0x580 [ 865.927433] [] __pmd_alloc+0x47/0x320 [ 865.927441] [] move_page_tables+0xa17/0xc70 [ 865.927451] [] shift_arg_pages+0x1a8/0x430 [ 865.927460] [] ? put_arg_page+0xd0/0xd0 [ 865.927468] [] ? setup_arg_pages+0x27f/0x7b0 [ 865.927476] [] setup_arg_pages+0x5fa/0x7b0 [ 865.927485] [] ? shift_arg_pages+0x430/0x430 [ 865.927495] [] load_elf_binary+0xaaa/0x4bc0 [ 865.927502] [] ? trace_hardirqs_on+0x10/0x10 [ 865.927511] [] ? audit_inode_permission+0x310/0x310 [ 865.927520] [] ? elf_core_dump+0x4330/0x4330 [ 865.927528] [] ? search_binary_handler+0xff/0x6f0 [ 865.927537] [] search_binary_handler+0x14f/0x6f0 [ 865.927547] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 865.927555] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 865.927564] [] ? prepare_bprm_creds+0x110/0x110 [ 865.927572] [] ? getname_flags+0x229/0x550 [ 865.927580] [] SyS_execve+0x42/0x50 [ 865.927588] [] ? setup_new_exec+0x830/0x830 [ 865.927596] [] do_syscall_64+0x19f/0x550 [ 865.927605] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 865.927609] Mem-Info: [ 865.927626] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 865.927626] active_file:0 inactive_file:41 isolated_file:0 [ 865.927626] unevictable:0 dirty:0 writeback:0 unstable:0 [ 865.927626] slab_reclaimable:4627 slab_unreclaimable:56999 [ 865.927626] mapped:5 shmem:48 pagetables:361 bounce:0 [ 865.927626] free:5999 free_pcp:111 free_cma:0 [ 865.927640] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 865.927660] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 99 printk messages dropped ** [ 865.987616] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 865.987636] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 865.987664] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB ** 47 printk messages dropped ** [ 866.349130] lowmem_reserve[]: 0 3505 3505 [ 866.349150] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 866.349209] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB ** 46 printk messages dropped ** [ 866.515933] lowmem_reserve[]: 0 3505 3505 [ 866.515952] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB ** 48 printk messages dropped ** [ 866.625980] lowmem_reserve[]: 0 3505 3505 [ 866.625999] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 866.626059] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 866.626106] 0 pages in swap cache [ 866.626110] Swap cache stats: add 0, delete 0, find 0/0 [ 866.626112] Free swap = 0kB [ 866.626115] Total swap = 0kB [ 866.626117] 1965979 pages RAM [ 866.626120] 0 pages HighMem/MovableOnly [ 866.626122] 313617 pages reserved [ 866.924623] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 866.924623] to free 108kB on behalf of 'cron' (1948) because [ 866.924623] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 866.924623] Free memory is -13508kB above reserved [ 866.924634] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 866.924634] to free 108kB on behalf of 'syz-execprog' (2156) because [ 866.924634] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 866.924634] Free memory is -13508kB above reserved [ 867.934556] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 867.934556] to free 108kB on behalf of 'init' (1) because [ 867.934556] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 867.934556] Free memory is -13508kB above reserved [ 867.934568] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 867.934568] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 867.934568] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 867.934568] Free memory is -13508kB above reserved [ 868.944584] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 868.944584] to free 108kB on behalf of 'udevd' (589) because [ 868.944584] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 868.944584] Free memory is -13508kB above reserved [ 869.355268] init: page allocation stalls for 100040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 869.355278] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 869.355295] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 869.355306] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 869.355317] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 869.355318] Call Trace: [ 869.355335] [] dump_stack+0xc1/0x128 [ 869.355345] [] warn_alloc.cold.31+0x7f/0x9c [ 869.355355] [] ? zone_watermark_ok_safe+0x250/0x250 [ 869.355364] [] ? shrink_node+0x740/0x740 [ 869.355373] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 869.355382] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 869.355392] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 869.355400] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 869.355408] [] ? find_get_entry+0x11a/0x570 [ 869.355416] [] ? find_get_entry+0x141/0x570 [ 869.355432] [] ? page_cache_prev_hole+0x80/0x80 [ 869.355440] [] ? pagecache_get_page+0x131/0x710 [ 869.355448] [] filemap_fault+0xaf1/0x1110 [ 869.355457] [] ext4_filemap_fault+0x71/0xa0 [ 869.355465] [] __do_fault+0x223/0x500 [ 869.355472] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 869.355481] [] ? generic_file_readonly_mmap+0x190/0x190 [ 869.355489] [] handle_mm_fault+0x1326/0x2350 [ 869.355496] [] ? vm_insert_page+0x6f0/0x6f0 [ 869.355506] [] ? kvm_clock_get_cycles+0x9/0x10 [ 869.355515] [] __do_page_fault+0x403/0xa60 [ 869.355523] [] ? bad_area_access_error+0x3a0/0x3a0 [ 869.355534] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 869.355542] [] do_page_fault+0x27/0x30 [ 869.355551] [] page_fault+0x25/0x30 [ 869.355555] Mem-Info: [ 869.355573] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 869.355573] active_file:0 inactive_file:41 isolated_file:0 [ 869.355573] unevictable:0 dirty:0 writeback:0 unstable:0 [ 869.355573] slab_reclaimable:4627 slab_unreclaimable:56999 [ 869.355573] mapped:5 shmem:48 pagetables:361 bounce:0 [ 869.355573] free:5999 free_pcp:111 free_cma:0 [ 869.355587] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 869.355607] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 869.355635] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 869.355695] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 869.355742] 0 pages in swap cache [ 869.355746] Swap cache stats: add 0, delete 0, find 0/0 [ 869.355748] Free swap = 0kB [ 869.355751] Total swap = 0kB [ 869.355753] 1965979 pages RAM [ 869.355756] 0 pages HighMem/MovableOnly [ 869.355758] 313617 pages reserved [ 869.954582] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 869.954582] to free 108kB on behalf of 'udevd' (589) because [ 869.954582] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 869.954582] Free memory is -13508kB above reserved [ 869.954594] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 869.954594] to free 108kB on behalf of 'udevd' (588) because [ 869.954594] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 869.954594] Free memory is -13508kB above reserved [ 870.964555] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 870.964555] to free 108kB on behalf of 'syz-execprog' (2160) because [ 870.964555] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 870.964555] Free memory is -13508kB above reserved [ 871.974631] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 871.974631] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 871.974631] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 871.974631] Free memory is -13508kB above reserved [ 872.984569] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 872.984569] to free 108kB on behalf of 'syz-execprog' (2160) because [ 872.984569] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 872.984569] Free memory is -13508kB above reserved [ 872.984589] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 872.984589] to free 108kB on behalf of 'syz-execprog' (2163) because [ 872.984589] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 872.984589] Free memory is -13508kB above reserved [ 873.994599] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 873.994599] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 873.994599] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 873.994599] Free memory is -13508kB above reserved [ 873.994610] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 873.994610] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 873.994610] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 873.994610] Free memory is -13508kB above reserved [ 875.004571] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 875.004571] to free 108kB on behalf of 'syz-execprog' (2171) because [ 875.004571] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 875.004571] Free memory is -13508kB above reserved [ 875.225659] cron: page allocation stalls for 90070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 875.225669] CPU: 1 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 875.225685] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 875.225697] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 875.225707] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 875.225709] Call Trace: [ 875.225725] [] dump_stack+0xc1/0x128 [ 875.225736] [] warn_alloc.cold.31+0x7f/0x9c [ 875.225746] [] ? zone_watermark_ok_safe+0x250/0x250 [ 875.225754] [] ? shrink_node+0x740/0x740 [ 875.225764] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 875.225772] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 875.225782] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 875.225790] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 875.225798] [] ? find_get_entry+0x11a/0x570 [ 875.225806] [] ? find_get_entry+0x141/0x570 [ 875.225814] [] ? page_cache_prev_hole+0x80/0x80 [ 875.225822] [] ? pagecache_get_page+0x131/0x710 [ 875.225830] [] filemap_fault+0xaf1/0x1110 [ 875.225839] [] ext4_filemap_fault+0x71/0xa0 [ 875.225847] [] __do_fault+0x223/0x500 [ 875.225854] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 875.225863] [] ? generic_file_readonly_mmap+0x190/0x190 [ 875.225870] [] handle_mm_fault+0x1326/0x2350 [ 875.225878] [] ? vm_insert_page+0x6f0/0x6f0 [ 875.225887] [] ? hrtimer_nanosleep+0x38c/0x550 [ 875.225897] [] __do_page_fault+0x403/0xa60 [ 875.225905] [] ? bad_area_access_error+0x3a0/0x3a0 [ 875.225915] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 875.225931] [] do_page_fault+0x27/0x30 [ 875.225940] [] page_fault+0x25/0x30 [ 875.225943] Mem-Info: [ 875.225962] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 875.225962] active_file:0 inactive_file:41 isolated_file:0 [ 875.225962] unevictable:0 dirty:0 writeback:0 unstable:0 [ 875.225962] slab_reclaimable:4627 slab_unreclaimable:56999 [ 875.225962] mapped:5 shmem:48 pagetables:361 bounce:0 [ 875.225962] free:5999 free_pcp:111 free_cma:0 [ 875.225976] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 875.225996] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 875.226024] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 875.226084] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 875.226131] 0 pages in swap cache [ 875.226135] Swap cache stats: add 0, delete 0, find 0/0 [ 875.226138] Free swap = 0kB [ 875.226140] Total swap = 0kB [ 875.226143] 1965979 pages RAM [ 875.226145] 0 pages HighMem/MovableOnly [ 875.226147] 313617 pages reserved [ 875.865156] syz-execprog: page allocation stalls for 110020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 875.865165] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 875.865182] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 875.865193] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 875.865204] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 875.865206] Call Trace: [ 875.865223] [] dump_stack+0xc1/0x128 [ 875.865233] [] warn_alloc.cold.31+0x7f/0x9c [ 875.865244] [] ? zone_watermark_ok_safe+0x250/0x250 [ 875.865252] [] ? shrink_node+0x740/0x740 [ 875.865262] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 875.865271] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 875.865280] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 875.865289] [] ? check_preemption_disabled+0x3b/0x200 [ 875.865297] [] ? find_get_entry+0x11a/0x570 [ 875.865305] [] ? find_get_entry+0x141/0x570 [ 875.865312] [] ? page_cache_prev_hole+0x80/0x80 [ 875.865321] [] ? trace_hardirqs_on+0x10/0x10 [ 875.865328] [] ? pagecache_get_page+0x131/0x710 [ 875.865337] [] filemap_fault+0xaf1/0x1110 [ 875.865346] [] ext4_filemap_fault+0x71/0xa0 [ 875.865354] [] __do_fault+0x223/0x500 [ 875.865361] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 875.865369] [] ? handle_mm_fault+0x1d4f/0x2350 [ 875.865377] [] handle_mm_fault+0x1326/0x2350 [ 875.865386] [] ? poll_select_set_timeout+0xb5/0x120 [ 875.865394] [] ? vm_insert_page+0x6f0/0x6f0 [ 875.865403] [] __do_page_fault+0x403/0xa60 [ 875.865412] [] ? __fget_light+0x169/0x1f0 [ 875.865419] [] ? bad_area_access_error+0x3a0/0x3a0 [ 875.865429] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 875.865436] [] do_page_fault+0x27/0x30 [ 875.865445] [] page_fault+0x25/0x30 [ 875.865449] Mem-Info: [ 875.865467] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 875.865467] active_file:0 inactive_file:41 isolated_file:0 [ 875.865467] unevictable:0 dirty:0 writeback:0 unstable:0 [ 875.865467] slab_reclaimable:4627 slab_unreclaimable:56999 [ 875.865467] mapped:5 shmem:48 pagetables:361 bounce:0 [ 875.865467] free:5999 free_pcp:111 free_cma:0 [ 875.865482] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 875.865502] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 875.865530] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 875.865590] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 875.865638] 0 pages in swap cache [ 875.865642] Swap cache stats: add 0, delete 0, find 0/0 [ 875.865644] Free swap = 0kB [ 875.865647] Total swap = 0kB [ 875.865649] 1965979 pages RAM [ 875.865651] 0 pages HighMem/MovableOnly [ 875.865654] 313617 pages reserved [ 875.916601] blkid: page allocation stalls for 110010ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 875.916610] CPU: 1 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 875.916625] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 875.916636] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 875.916646] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 875.916647] Call Trace: [ 875.916663] [] dump_stack+0xc1/0x128 [ 875.916673] [] warn_alloc.cold.31+0x7f/0x9c [ 875.916683] [] ? zone_watermark_ok_safe+0x250/0x250 [ 875.916692] [] ? shrink_node+0x740/0x740 [ 875.916701] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 875.916710] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 875.916718] [] ? trace_hardirqs_on+0x10/0x10 [ 875.916726] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 875.916734] [] ? validate_mm+0x2f4/0x580 [ 875.916741] [] ? validate_mm+0x32e/0x580 [ 875.916749] [] __pmd_alloc+0x47/0x320 [ 875.916757] [] move_page_tables+0xa17/0xc70 [ 875.916766] [] shift_arg_pages+0x1a8/0x430 [ 875.916776] [] ? put_arg_page+0xd0/0xd0 [ 875.916784] [] ? setup_arg_pages+0x27f/0x7b0 [ 875.916792] [] setup_arg_pages+0x5fa/0x7b0 [ 875.916800] [] ? shift_arg_pages+0x430/0x430 [ 875.916810] [] load_elf_binary+0xaaa/0x4bc0 [ 875.916817] [] ? trace_hardirqs_on+0x10/0x10 [ 875.916826] [] ? audit_inode_permission+0x310/0x310 [ 875.916834] [] ? elf_core_dump+0x4330/0x4330 [ 875.916842] [] ? search_binary_handler+0xff/0x6f0 [ 875.916850] [] search_binary_handler+0x14f/0x6f0 [ 875.916859] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 875.916868] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 875.916877] [] ? prepare_bprm_creds+0x110/0x110 [ 875.916886] [] ? getname_flags+0x229/0x550 [ 875.916894] [] SyS_execve+0x42/0x50 [ 875.916902] [] ? setup_new_exec+0x830/0x830 [ 875.916909] [] do_syscall_64+0x19f/0x550 [ 875.916925] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 875.916929] Mem-Info: [ 875.916946] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 875.916946] active_file:0 inactive_file:41 isolated_file:0 [ 875.916946] unevictable:0 dirty:0 writeback:0 unstable:0 [ 875.916946] slab_reclaimable:4627 slab_unreclaimable:56999 [ 875.916946] mapped:5 shmem:48 pagetables:361 bounce:0 [ 875.916946] free:5999 free_pcp:111 free_cma:0 [ 875.916959] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 875.916978] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 875.917004] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 875.917058] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 875.917101] 0 pages in swap cache [ 875.917105] Swap cache stats: add 0, delete 0, find 0/0 [ 875.917107] Free swap = 0kB [ 875.917109] Total swap = 0kB [ 875.917111] 1965979 pages RAM [ 875.917113] 0 pages HighMem/MovableOnly [ 875.917115] 313617 pages reserved [ 875.926303] syz-execprog: page allocation stalls for 110010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 875.926312] CPU: 1 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 875.926329] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 875.926339] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 875.926350] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 875.926352] Call Trace: [ 875.926367] [] dump_stack+0xc1/0x128 [ 875.926377] [] warn_alloc.cold.31+0x7f/0x9c [ 875.926387] [] ? zone_watermark_ok_safe+0x250/0x250 [ 875.926396] [] ? shrink_node+0x740/0x740 [ 875.926405] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 875.926414] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 875.926423] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 875.926431] [] ? find_get_entry+0x11a/0x570 [ 875.926439] [] ? find_get_entry+0x141/0x570 [ 875.926446] [] ? page_cache_prev_hole+0x80/0x80 [ 875.926455] [] ? autoremove_wake_function+0x40/0x40 [ 875.926463] [] ? pagecache_get_page+0x131/0x710 [ 875.926471] [] filemap_fault+0xaf1/0x1110 [ 875.926480] [] ext4_filemap_fault+0x71/0xa0 [ 875.926487] [] __do_fault+0x223/0x500 [ 875.926495] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 875.926504] [] ? generic_file_readonly_mmap+0x190/0x190 [ 875.926512] [] handle_mm_fault+0x1326/0x2350 [ 875.926521] [] ? poll_select_set_timeout+0xb5/0x120 [ 875.926529] [] ? vm_insert_page+0x6f0/0x6f0 [ 875.926537] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 875.926547] [] __do_page_fault+0x403/0xa60 [ 875.926555] [] ? __fget_light+0x169/0x1f0 [ 875.926563] [] ? bad_area_access_error+0x3a0/0x3a0 [ 875.926573] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 875.926581] [] do_page_fault+0x27/0x30 [ 875.926590] [] page_fault+0x25/0x30 [ 875.926593] Mem-Info: [ 875.926611] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 875.926611] active_file:0 inactive_file:41 isolated_file:0 [ 875.926611] unevictable:0 dirty:0 writeback:0 unstable:0 [ 875.926611] slab_reclaimable:4627 slab_unreclaimable:56999 [ 875.926611] mapped:5 shmem:48 pagetables:361 bounce:0 [ 875.926611] free:5999 free_pcp:111 free_cma:0 [ 875.926625] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 875.926645] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 875.926673] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 875.926733] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 875.926780] 0 pages in swap cache [ 875.926784] Swap cache stats: add 0, delete 0, find 0/0 [ 875.926786] Free swap = 0kB [ 875.926788] Total swap = 0kB [ 875.926791] 1965979 pages RAM [ 875.926793] 0 pages HighMem/MovableOnly [ 875.926796] 313617 pages reserved [ 875.994820] syz-execprog: page allocation stalls for 110070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 875.994830] CPU: 1 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 875.994847] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 875.994858] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 875.994869] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 875.994871] Call Trace: [ 875.994886] [] dump_stack+0xc1/0x128 [ 875.994897] [] warn_alloc.cold.31+0x7f/0x9c [ 875.994907] [] ? zone_watermark_ok_safe+0x250/0x250 [ 875.994916] [] ? shrink_node+0x740/0x740 [ 875.994934] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 875.994942] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 875.994951] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 875.994960] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 875.994968] [] ? find_get_entry+0x11a/0x570 [ 875.994975] [] ? find_get_entry+0x141/0x570 [ 875.994983] [] ? page_cache_prev_hole+0x80/0x80 [ 875.994992] [] ? autoremove_wake_function+0x40/0x40 [ 875.995000] [] ? pagecache_get_page+0x131/0x710 [ 875.995008] [] filemap_fault+0xaf1/0x1110 [ 875.995018] [] ext4_filemap_fault+0x71/0xa0 [ 875.995025] [] __do_fault+0x223/0x500 [ 875.995032] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 875.995041] [] ? generic_file_readonly_mmap+0x190/0x190 [ 875.995049] [] handle_mm_fault+0x1326/0x2350 [ 875.995057] [] ? vm_insert_page+0x6f0/0x6f0 [ 875.995065] [] ? selinux_file_permission+0x82/0x470 [ 875.995076] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 875.995083] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 875.995093] [] __do_page_fault+0x403/0xa60 [ 875.995101] [] ? bad_area_access_error+0x3a0/0x3a0 ** 5 printk messages dropped ** [ 875.995164] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 875.995184] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 875.995211] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 875.995272] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 875.995319] 0 pages in swap cache [ 875.995323] Swap cache stats: add 0, delete 0, find 0/0 [ 875.995325] Free swap = 0kB [ 875.995327] Total swap = 0kB [ 875.995330] 1965979 pages RAM [ 875.995332] 0 pages HighMem/MovableOnly [ 875.995334] 313617 pages reserved [ 876.014641] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 876.014641] to free 108kB on behalf of 'cron' (1948) because [ 876.014641] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 876.014641] Free memory is -13508kB above reserved ** 32 printk messages dropped ** [ 876.310007] [] page_fault+0x25/0x30 [ 876.310011] Mem-Info: [ 876.310029] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 876.310029] active_file:0 inactive_file:41 isolated_file:0 [ 876.310029] unevictable:0 dirty:0 writeback:0 unstable:0 [ 876.310029] slab_reclaimable:4627 slab_unreclaimable:56999 [ 876.310029] mapped:5 shmem:48 pagetables:361 bounce:0 [ 876.310029] free:5999 free_pcp:111 free_cma:0 [ 876.310044] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 46 printk messages dropped ** [ 876.495579] [] page_fault+0x25/0x30 [ 876.495583] Mem-Info: [ 876.495601] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 876.495601] active_file:0 inactive_file:41 isolated_file:0 [ 876.495601] unevictable:0 dirty:0 writeback:0 unstable:0 [ 876.495601] slab_reclaimable:4627 slab_unreclaimable:56999 [ 876.495601] mapped:5 shmem:48 pagetables:361 bounce:0 [ 876.495601] free:5999 free_pcp:111 free_cma:0 [ 876.495615] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 46 printk messages dropped ** [ 876.608648] [] page_fault+0x25/0x30 [ 876.608652] Mem-Info: [ 876.608670] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 876.608670] active_file:0 inactive_file:41 isolated_file:0 [ 876.608670] unevictable:0 dirty:0 writeback:0 unstable:0 [ 876.608670] slab_reclaimable:4627 slab_unreclaimable:56999 [ 876.608670] mapped:5 shmem:48 pagetables:361 bounce:0 [ 876.608670] free:5999 free_pcp:111 free_cma:0 [ 876.608684] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 876.608704] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 876.608732] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 876.608791] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 876.608838] 0 pages in swap cache [ 876.608843] Swap cache stats: add 0, delete 0, find 0/0 [ 876.608845] Free swap = 0kB [ 876.608847] Total swap = 0kB [ 876.608850] 1965979 pages RAM [ 876.608852] 0 pages HighMem/MovableOnly [ 876.608854] 313617 pages reserved [ 877.024601] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 877.024601] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 877.024601] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 877.024601] Free memory is -13508kB above reserved [ 877.024613] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 877.024613] to free 108kB on behalf of 'syz-execprog' (2171) because [ 877.024613] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 877.024613] Free memory is -13508kB above reserved [ 878.034586] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 878.034586] to free 108kB on behalf of 'blkid' (2353) because [ 878.034586] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 878.034586] Free memory is -13508kB above reserved [ 879.044638] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 879.044638] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 879.044638] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 879.044638] Free memory is -13508kB above reserved [ 879.044650] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 879.044650] to free 108kB on behalf of 'syz-execprog' (2163) because [ 879.044650] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 879.044650] Free memory is -13508kB above reserved [ 879.339786] init: page allocation stalls for 110020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 879.339795] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 879.339811] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 879.339822] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 879.339833] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 879.339835] Call Trace: [ 879.339851] [] dump_stack+0xc1/0x128 [ 879.339861] [] warn_alloc.cold.31+0x7f/0x9c [ 879.339871] [] ? zone_watermark_ok_safe+0x250/0x250 [ 879.339880] [] ? shrink_node+0x740/0x740 [ 879.339889] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 879.339898] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 879.339907] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 879.339916] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 879.339933] [] ? find_get_entry+0x11a/0x570 [ 879.339940] [] ? find_get_entry+0x141/0x570 [ 879.339947] [] ? page_cache_prev_hole+0x80/0x80 [ 879.339955] [] ? pagecache_get_page+0x131/0x710 [ 879.339963] [] filemap_fault+0xaf1/0x1110 [ 879.339973] [] ext4_filemap_fault+0x71/0xa0 [ 879.339980] [] __do_fault+0x223/0x500 [ 879.339987] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 879.339996] [] ? generic_file_readonly_mmap+0x190/0x190 [ 879.340004] [] handle_mm_fault+0x1326/0x2350 [ 879.340011] [] ? vm_insert_page+0x6f0/0x6f0 [ 879.340021] [] ? kvm_clock_get_cycles+0x9/0x10 [ 879.340030] [] __do_page_fault+0x403/0xa60 [ 879.340039] [] ? bad_area_access_error+0x3a0/0x3a0 [ 879.340049] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 879.340056] [] do_page_fault+0x27/0x30 [ 879.340065] [] page_fault+0x25/0x30 [ 879.340069] Mem-Info: [ 879.340087] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 879.340087] active_file:0 inactive_file:41 isolated_file:0 [ 879.340087] unevictable:0 dirty:0 writeback:0 unstable:0 [ 879.340087] slab_reclaimable:4627 slab_unreclaimable:56999 [ 879.340087] mapped:5 shmem:48 pagetables:361 bounce:0 [ 879.340087] free:5999 free_pcp:111 free_cma:0 [ 879.340102] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 879.340122] DMA32 free:18692kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:572kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 879.340151] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227424kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 879.340210] DMA32: 7*4kB (UME) 7*8kB (ME) 9*16kB (ME) 9*32kB (UME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18692kB Normal: 268*4kB (UMH) 155*8kB (MEH) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5304kB 90 total pagecache pages [ 879.340257] 0 pages in swap cache [ 879.340262] Swap cache stats: add 0, delete 0, find 0/0 [ 879.340264] Free swap = 0kB [ 879.340266] Total swap = 0kB [ 879.340269] 1965979 pages RAM [ 879.340271] 0 pages HighMem/MovableOnly [ 879.340273] 313617 pages reserved [ 880.059388] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 880.059388] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 880.059388] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 880.059388] Free memory is -13508kB above reserved [ 881.064573] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 881.064573] to free 108kB on behalf of 'udevd' (589) because [ 881.064573] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 881.064573] Free memory is -13524kB above reserved [ 882.074582] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 882.074582] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 882.074582] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 882.074582] Free memory is -13524kB above reserved [ 883.084587] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 883.084587] to free 108kB on behalf of 'syz-execprog' (2171) because [ 883.084587] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 883.084587] Free memory is -13524kB above reserved [ 883.084599] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 883.084599] to free 108kB on behalf of 'syz-execprog' (2163) because [ 883.084599] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 883.084599] Free memory is -13524kB above reserved [ 884.094557] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 884.094557] to free 108kB on behalf of 'syz-execprog' (2156) because [ 884.094557] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 884.094557] Free memory is -13524kB above reserved [ 885.104560] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 885.104560] to free 108kB on behalf of 'syz-execprog' (2171) because [ 885.104560] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 885.104560] Free memory is -13524kB above reserved [ 885.104572] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 885.104572] to free 108kB on behalf of 'syz-execprog' (2160) because [ 885.104572] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 885.104572] Free memory is -13524kB above reserved [ 885.234958] cron: page allocation stalls for 100080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 885.234979] CPU: 0 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 885.234995] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 885.235005] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 885.235014] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 885.235016] Call Trace: [ 885.235030] [] dump_stack+0xc1/0x128 [ 885.235040] [] warn_alloc.cold.31+0x7f/0x9c [ 885.235049] [] ? zone_watermark_ok_safe+0x250/0x250 [ 885.235057] [] ? shrink_node+0x740/0x740 [ 885.235065] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 885.235073] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 885.235081] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 885.235089] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 885.235097] [] ? find_get_entry+0x11a/0x570 [ 885.235103] [] ? find_get_entry+0x141/0x570 [ 885.235110] [] ? page_cache_prev_hole+0x80/0x80 [ 885.235117] [] ? pagecache_get_page+0x131/0x710 [ 885.235124] [] filemap_fault+0xaf1/0x1110 [ 885.235133] [] ext4_filemap_fault+0x71/0xa0 [ 885.235140] [] __do_fault+0x223/0x500 [ 885.235146] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 885.235154] [] ? generic_file_readonly_mmap+0x190/0x190 [ 885.235161] [] handle_mm_fault+0x1326/0x2350 [ 885.235168] [] ? vm_insert_page+0x6f0/0x6f0 [ 885.235176] [] ? hrtimer_nanosleep+0x38c/0x550 [ 885.235185] [] __do_page_fault+0x403/0xa60 [ 885.235193] [] ? bad_area_access_error+0x3a0/0x3a0 [ 885.235202] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 885.235209] [] do_page_fault+0x27/0x30 [ 885.235217] [] page_fault+0x25/0x30 [ 885.235220] Mem-Info: [ 885.235248] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 885.235248] active_file:0 inactive_file:41 isolated_file:0 [ 885.235248] unevictable:0 dirty:0 writeback:0 unstable:0 [ 885.235248] slab_reclaimable:4627 slab_unreclaimable:57004 [ 885.235248] mapped:5 shmem:48 pagetables:361 bounce:0 [ 885.235248] free:5995 free_pcp:110 free_cma:0 [ 885.235262] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 885.235280] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 885.235307] Normal free:5304kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227428kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 885.235374] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 885.235439] 0 pages in swap cache [ 885.235443] Swap cache stats: add 0, delete 0, find 0/0 [ 885.235445] Free swap = 0kB [ 885.235447] Total swap = 0kB [ 885.235450] 1965979 pages RAM [ 885.235452] 0 pages HighMem/MovableOnly [ 885.235454] 313617 pages reserved [ 885.881125] syz-execprog: page allocation stalls for 120030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 885.881134] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 885.881150] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 885.881161] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 885.881172] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 885.881174] Call Trace: [ 885.881190] [] dump_stack+0xc1/0x128 [ 885.881200] [] warn_alloc.cold.31+0x7f/0x9c [ 885.881210] [] ? zone_watermark_ok_safe+0x250/0x250 [ 885.881220] [] ? shrink_node+0x740/0x740 [ 885.881243] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 885.881251] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 885.881260] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 885.881269] [] ? check_preemption_disabled+0x3b/0x200 [ 885.881277] [] ? find_get_entry+0x11a/0x570 [ 885.881284] [] ? find_get_entry+0x141/0x570 [ 885.881291] [] ? page_cache_prev_hole+0x80/0x80 [ 885.881299] [] ? trace_hardirqs_on+0x10/0x10 [ 885.881307] [] ? pagecache_get_page+0x131/0x710 [ 885.881314] [] filemap_fault+0xaf1/0x1110 [ 885.881336] [] ext4_filemap_fault+0x71/0xa0 [ 885.881343] [] __do_fault+0x223/0x500 [ 885.881350] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 885.881359] [] ? handle_mm_fault+0x1d4f/0x2350 [ 885.881366] [] handle_mm_fault+0x1326/0x2350 [ 885.881376] [] ? poll_select_set_timeout+0xb5/0x120 [ 885.881384] [] ? vm_insert_page+0x6f0/0x6f0 [ 885.881394] [] __do_page_fault+0x403/0xa60 [ 885.881402] [] ? __fget_light+0x169/0x1f0 [ 885.881411] [] ? bad_area_access_error+0x3a0/0x3a0 [ 885.881420] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 885.881428] [] do_page_fault+0x27/0x30 [ 885.881437] [] page_fault+0x25/0x30 [ 885.881441] Mem-Info: [ 885.881459] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 885.881459] active_file:0 inactive_file:41 isolated_file:0 [ 885.881459] unevictable:0 dirty:0 writeback:0 unstable:0 [ 885.881459] slab_reclaimable:4627 slab_unreclaimable:57006 [ 885.881459] mapped:5 shmem:48 pagetables:361 bounce:0 [ 885.881459] free:5993 free_pcp:110 free_cma:0 [ 885.881474] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 885.881494] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 885.881522] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 885.881582] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 885.881629] 0 pages in swap cache [ 885.881633] Swap cache stats: add 0, delete 0, find 0/0 [ 885.881635] Free swap = 0kB [ 885.881638] Total swap = 0kB [ 885.881640] 1965979 pages RAM [ 885.881642] 0 pages HighMem/MovableOnly [ 885.881645] 313617 pages reserved [ 885.956125] blkid: page allocation stalls for 120050ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 885.956134] CPU: 0 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 885.956151] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 885.956161] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 885.956172] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 885.956174] Call Trace: [ 885.956190] [] dump_stack+0xc1/0x128 [ 885.956200] [] warn_alloc.cold.31+0x7f/0x9c [ 885.956210] [] ? zone_watermark_ok_safe+0x250/0x250 [ 885.956219] [] ? shrink_node+0x740/0x740 [ 885.956228] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 885.956238] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 885.956247] [] ? trace_hardirqs_on+0x10/0x10 [ 885.956255] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 885.956264] [] ? validate_mm+0x2f4/0x580 [ 885.956271] [] ? validate_mm+0x32e/0x580 [ 885.956279] [] __pmd_alloc+0x47/0x320 [ 885.956288] [] move_page_tables+0xa17/0xc70 [ 885.956298] [] shift_arg_pages+0x1a8/0x430 [ 885.956306] [] ? put_arg_page+0xd0/0xd0 [ 885.956314] [] ? setup_arg_pages+0x27f/0x7b0 [ 885.956323] [] setup_arg_pages+0x5fa/0x7b0 [ 885.956331] [] ? shift_arg_pages+0x430/0x430 [ 885.956341] [] load_elf_binary+0xaaa/0x4bc0 [ 885.956348] [] ? trace_hardirqs_on+0x10/0x10 [ 885.956357] [] ? audit_inode_permission+0x310/0x310 [ 885.956366] [] ? elf_core_dump+0x4330/0x4330 [ 885.956374] [] ? search_binary_handler+0xff/0x6f0 [ 885.956383] [] search_binary_handler+0x14f/0x6f0 [ 885.956392] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 885.956401] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 885.956410] [] ? prepare_bprm_creds+0x110/0x110 [ 885.956427] [] ? getname_flags+0x229/0x550 [ 885.956435] [] SyS_execve+0x42/0x50 [ 885.956444] [] ? setup_new_exec+0x830/0x830 [ 885.956451] [] do_syscall_64+0x19f/0x550 [ 885.956461] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 885.956464] Mem-Info: [ 885.956482] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 885.956482] active_file:0 inactive_file:41 isolated_file:0 [ 885.956482] unevictable:0 dirty:0 writeback:0 unstable:0 [ 885.956482] slab_reclaimable:4627 slab_unreclaimable:57006 [ 885.956482] mapped:5 shmem:48 pagetables:361 bounce:0 [ 885.956482] free:5993 free_pcp:110 free_cma:0 [ 885.956497] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 885.956516] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 885.956544] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 885.956603] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 885.956649] 0 pages in swap cache [ 885.956653] Swap cache stats: add 0, delete 0, find 0/0 [ 885.956655] Free swap = 0kB [ 885.956657] Total swap = 0kB [ 885.956660] 1965979 pages RAM [ 885.956662] 0 pages HighMem/MovableOnly [ 885.956664] 313617 pages reserved [ 885.977862] syz-execprog: page allocation stalls for 120060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 885.977870] CPU: 1 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 885.977885] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 885.977896] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 885.977907] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 885.977909] Call Trace: [ 885.977926] [] dump_stack+0xc1/0x128 [ 885.977935] [] warn_alloc.cold.31+0x7f/0x9c [ 885.977944] [] ? zone_watermark_ok_safe+0x250/0x250 [ 885.977952] [] ? shrink_node+0x740/0x740 [ 885.977962] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 885.977971] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 885.977980] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 885.977988] [] ? find_get_entry+0x11a/0x570 [ 885.977995] [] ? find_get_entry+0x141/0x570 [ 885.978003] [] ? page_cache_prev_hole+0x80/0x80 [ 885.978012] [] ? autoremove_wake_function+0x40/0x40 [ 885.978019] [] ? pagecache_get_page+0x131/0x710 [ 885.978028] [] filemap_fault+0xaf1/0x1110 [ 885.978037] [] ext4_filemap_fault+0x71/0xa0 [ 885.978044] [] __do_fault+0x223/0x500 [ 885.978051] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 885.978060] [] ? generic_file_readonly_mmap+0x190/0x190 [ 885.978067] [] handle_mm_fault+0x1326/0x2350 [ 885.978076] [] ? poll_select_set_timeout+0xb5/0x120 [ 885.978084] [] ? vm_insert_page+0x6f0/0x6f0 [ 885.978092] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 885.978102] [] __do_page_fault+0x403/0xa60 [ 885.978110] [] ? __fget_light+0x169/0x1f0 [ 885.978118] [] ? bad_area_access_error+0x3a0/0x3a0 [ 885.978128] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 885.978135] [] do_page_fault+0x27/0x30 [ 885.978144] [] page_fault+0x25/0x30 [ 885.978147] Mem-Info: [ 885.978165] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 885.978165] active_file:0 inactive_file:41 isolated_file:0 [ 885.978165] unevictable:0 dirty:0 writeback:0 unstable:0 [ 885.978165] slab_reclaimable:4627 slab_unreclaimable:57006 [ 885.978165] mapped:5 shmem:48 pagetables:361 bounce:0 [ 885.978165] free:5993 free_pcp:110 free_cma:0 [ 885.978179] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 885.978199] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 885.978227] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 885.978285] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 885.978332] 0 pages in swap cache [ 885.978336] Swap cache stats: add 0, delete 0, find 0/0 [ 885.978338] Free swap = 0kB [ 885.978341] Total swap = 0kB [ 885.978343] 1965979 pages RAM [ 885.978345] 0 pages HighMem/MovableOnly [ 885.978347] 313617 pages reserved [ 885.985127] syz-execprog: page allocation stalls for 120060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 885.985134] CPU: 1 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 885.985146] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 885.985155] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 885.985165] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 885.985167] Call Trace: [ 885.985190] [] dump_stack+0xc1/0x128 [ 885.985198] [] warn_alloc.cold.31+0x7f/0x9c [ 885.985207] [] ? zone_watermark_ok_safe+0x250/0x250 [ 885.985215] [] ? shrink_node+0x740/0x740 [ 885.985224] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 885.985231] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 885.985240] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 885.985248] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 885.985255] [] ? find_get_entry+0x11a/0x570 [ 885.985275] [] ? find_get_entry+0x141/0x570 [ 885.985282] [] ? page_cache_prev_hole+0x80/0x80 [ 885.985301] [] ? autoremove_wake_function+0x40/0x40 [ 885.985309] [] ? pagecache_get_page+0x131/0x710 [ 885.985317] [] filemap_fault+0xaf1/0x1110 [ 885.985324] [] ext4_filemap_fault+0x71/0xa0 [ 885.985331] [] __do_fault+0x223/0x500 [ 885.985338] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 885.985347] [] ? generic_file_readonly_mmap+0x190/0x190 [ 885.985354] [] handle_mm_fault+0x1326/0x2350 [ 885.985361] [] ? vm_insert_page+0x6f0/0x6f0 [ 885.985370] [] ? selinux_file_permission+0x82/0x470 [ 885.985380] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 885.985387] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 885.985395] [] __do_page_fault+0x403/0xa60 [ 885.985403] [] ? bad_area_access_error+0x3a0/0x3a0 [ 885.985412] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 885.985418] [] do_page_fault+0x27/0x30 [ 885.985429] [] page_fault+0x25/0x30 [ 885.985432] Mem-Info: [ 885.985447] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 885.985447] active_file:0 inactive_file:41 isolated_file:0 [ 885.985447] unevictable:0 dirty:0 writeback:0 unstable:0 [ 885.985447] slab_reclaimable:4627 slab_unreclaimable:57006 [ 885.985447] mapped:5 shmem:48 pagetables:361 bounce:0 [ 885.985447] free:5993 free_pcp:110 free_cma:0 [ 885.985473] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 885.985493] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 885.985520] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 885.985579] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 885.985625] 0 pages in swap cache [ 885.985629] Swap cache stats: add 0, delete 0, find 0/0 [ 885.985632] Free swap = 0kB [ 885.985634] Total swap = 0kB [ 885.985636] 1965979 pages RAM [ 885.985639] 0 pages HighMem/MovableOnly [ 885.985641] 313617 pages reserved [ 886.114602] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 886.114602] to free 108kB on behalf of 'syz-execprog' (2160) because [ 886.114602] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 886.114602] Free memory is -13532kB above reserved [ 886.299402] udevd: page allocation stalls for 120010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 886.299411] CPU: 1 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 886.299427] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 886.299438] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 886.299448] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 886.299450] Call Trace: [ 886.299466] [] dump_stack+0xc1/0x128 [ 886.299476] [] warn_alloc.cold.31+0x7f/0x9c [ 886.299486] [] ? zone_watermark_ok_safe+0x250/0x250 [ 886.299495] [] ? shrink_node+0x740/0x740 [ 886.299504] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 886.299513] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 886.299523] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 886.299531] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 886.299540] [] ? find_get_entry+0x11a/0x570 [ 886.299547] [] ? find_get_entry+0x141/0x570 [ 886.299554] [] ? page_cache_prev_hole+0x80/0x80 [ 886.299564] [] ? autoremove_wake_function+0x40/0x40 [ 886.299571] [] ? pagecache_get_page+0x131/0x710 [ 886.299579] [] filemap_fault+0xaf1/0x1110 [ 886.299589] [] ext4_filemap_fault+0x71/0xa0 [ 886.299596] [] __do_fault+0x223/0x500 [ 886.299603] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 886.299612] [] ? generic_file_readonly_mmap+0x190/0x190 [ 886.299619] [] handle_mm_fault+0x1326/0x2350 [ 886.299627] [] ? vm_insert_page+0x6f0/0x6f0 [ 886.299635] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 886.299645] [] __do_page_fault+0x403/0xa60 [ 886.299653] [] ? bad_area_access_error+0x3a0/0x3a0 [ 886.299663] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 886.299670] [] do_page_fault+0x27/0x30 [ 886.299679] [] page_fault+0x25/0x30 [ 886.299683] Mem-Info: [ 886.299701] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 886.299701] active_file:0 inactive_file:41 isolated_file:0 [ 886.299701] unevictable:0 dirty:0 writeback:0 unstable:0 [ 886.299701] slab_reclaimable:4627 slab_unreclaimable:57006 [ 886.299701] mapped:5 shmem:48 pagetables:361 bounce:0 [ 886.299701] free:5993 free_pcp:110 free_cma:0 [ 886.299715] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 886.299735] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 886.299764] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 886.299824] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 886.299871] 0 pages in swap cache [ 886.299881] Swap cache stats: add 0, delete 0, find 0/0 [ 886.299883] Free swap = 0kB [ 886.299885] Total swap = 0kB [ 886.299888] 1965979 pages RAM [ 886.299890] 0 pages HighMem/MovableOnly [ 886.299892] 313617 pages reserved [ 886.504164] syz-execprog: page allocation stalls for 120010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 886.504174] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 886.504190] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 886.504201] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 886.504212] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 886.504214] Call Trace: [ 886.504229] [] dump_stack+0xc1/0x128 [ 886.504239] [] warn_alloc.cold.31+0x7f/0x9c [ 886.504249] [] ? zone_watermark_ok_safe+0x250/0x250 [ 886.504258] [] ? shrink_node+0x740/0x740 [ 886.504267] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 886.504276] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 886.504285] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 886.504294] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 886.504302] [] ? find_get_entry+0x11a/0x570 [ 886.504310] [] ? find_get_entry+0x141/0x570 [ 886.504317] [] ? page_cache_prev_hole+0x80/0x80 [ 886.504326] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 886.504334] [] ? pagecache_get_page+0x131/0x710 [ 886.504342] [] filemap_fault+0xaf1/0x1110 [ 886.504351] [] ext4_filemap_fault+0x71/0xa0 [ 886.504359] [] __do_fault+0x223/0x500 [ 886.504366] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 886.504375] [] ? generic_file_readonly_mmap+0x190/0x190 [ 886.504383] [] handle_mm_fault+0x1326/0x2350 [ 886.504390] [] ? vm_insert_page+0x6f0/0x6f0 [ 886.504400] [] ? kvm_clock_read+0x23/0x40 [ 886.504408] [] ? kvm_clock_get_cycles+0x9/0x10 [ 886.504417] [] __do_page_fault+0x403/0xa60 [ 886.504424] [] ? bad_area_access_error+0x3a0/0x3a0 [ 886.504434] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 886.504441] [] do_page_fault+0x27/0x30 [ 886.504450] [] page_fault+0x25/0x30 [ 886.504454] Mem-Info: [ 886.504478] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 886.504478] active_file:0 inactive_file:41 isolated_file:0 [ 886.504478] unevictable:0 dirty:0 writeback:0 unstable:0 [ 886.504478] slab_reclaimable:4627 slab_unreclaimable:57006 [ 886.504478] mapped:5 shmem:48 pagetables:361 bounce:0 [ 886.504478] free:5993 free_pcp:110 free_cma:0 [ 886.564537] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 886.564557] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 49 printk messages dropped ** [ 886.595994] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 886.596022] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 886.596082] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 886.596128] 0 pages in swap cache [ 886.596132] Swap cache stats: add 0, delete 0, find 0/0 [ 886.596135] Free swap = 0kB [ 886.596137] Total swap = 0kB [ 886.596140] 1965979 pages RAM [ 886.596142] 0 pages HighMem/MovableOnly [ 886.596144] 313617 pages reserved [ 887.124562] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 887.124562] to free 108kB on behalf of 'syz-execprog' (2171) because [ 887.124562] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 887.124562] Free memory is -13532kB above reserved [ 888.134566] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 888.134566] to free 108kB on behalf of 'syz-execprog' (2171) because [ 888.134566] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 888.134566] Free memory is -13532kB above reserved [ 889.144578] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 889.144578] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 889.144578] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 889.144578] Free memory is -13532kB above reserved [ 889.144589] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 889.144589] to free 108kB on behalf of 'cron' (1948) because [ 889.144589] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 889.144589] Free memory is -13532kB above reserved [ 889.325628] init: page allocation stalls for 120010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 889.325638] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 889.325655] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 889.325666] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 889.325676] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 889.325678] Call Trace: [ 889.325694] [] dump_stack+0xc1/0x128 [ 889.325704] [] warn_alloc.cold.31+0x7f/0x9c [ 889.325714] [] ? zone_watermark_ok_safe+0x250/0x250 [ 889.325723] [] ? shrink_node+0x740/0x740 [ 889.325732] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 889.325741] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 889.325751] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 889.325760] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 889.325767] [] ? find_get_entry+0x11a/0x570 [ 889.325775] [] ? find_get_entry+0x141/0x570 [ 889.325782] [] ? page_cache_prev_hole+0x80/0x80 [ 889.325790] [] ? pagecache_get_page+0x131/0x710 [ 889.325798] [] filemap_fault+0xaf1/0x1110 [ 889.325820] [] ext4_filemap_fault+0x71/0xa0 [ 889.325827] [] __do_fault+0x223/0x500 [ 889.325835] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 889.325854] [] ? generic_file_readonly_mmap+0x190/0x190 [ 889.325874] [] handle_mm_fault+0x1326/0x2350 [ 889.325881] [] ? vm_insert_page+0x6f0/0x6f0 [ 889.325891] [] ? kvm_clock_get_cycles+0x9/0x10 [ 889.325900] [] __do_page_fault+0x403/0xa60 [ 889.325907] [] ? bad_area_access_error+0x3a0/0x3a0 [ 889.325917] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 889.325923] [] do_page_fault+0x27/0x30 [ 889.325944] [] page_fault+0x25/0x30 [ 889.325948] Mem-Info: [ 889.325966] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 889.325966] active_file:0 inactive_file:41 isolated_file:0 [ 889.325966] unevictable:0 dirty:0 writeback:0 unstable:0 [ 889.325966] slab_reclaimable:4627 slab_unreclaimable:57006 [ 889.325966] mapped:5 shmem:48 pagetables:361 bounce:0 [ 889.325966] free:5993 free_pcp:110 free_cma:0 [ 889.325980] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 889.326000] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 889.326027] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 889.326087] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 889.326133] 0 pages in swap cache [ 889.326138] Swap cache stats: add 0, delete 0, find 0/0 [ 889.326140] Free swap = 0kB [ 889.326142] Total swap = 0kB [ 889.326144] 1965979 pages RAM [ 889.326147] 0 pages HighMem/MovableOnly [ 889.326149] 313617 pages reserved [ 890.154579] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 890.154579] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 890.154579] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 890.154579] Free memory is -13532kB above reserved [ 891.164633] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 891.164633] to free 108kB on behalf of 'udevd' (588) because [ 891.164633] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 891.164633] Free memory is -13532kB above reserved [ 892.174553] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 892.174553] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 892.174553] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 892.174553] Free memory is -13532kB above reserved [ 893.184605] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 893.184605] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 893.184605] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 893.184605] Free memory is -13532kB above reserved [ 893.184618] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 893.184618] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 893.184618] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 893.184618] Free memory is -13532kB above reserved [ 894.194578] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 894.194578] to free 108kB on behalf of 'syz-execprog' (2163) because [ 894.194578] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 894.194578] Free memory is -13532kB above reserved [ 895.169623] cron: page allocation stalls for 110010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 895.169632] CPU: 0 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 895.169649] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 895.169660] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 895.169671] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 895.169673] Call Trace: [ 895.169688] [] dump_stack+0xc1/0x128 [ 895.169698] [] warn_alloc.cold.31+0x7f/0x9c [ 895.169709] [] ? zone_watermark_ok_safe+0x250/0x250 [ 895.169717] [] ? shrink_node+0x740/0x740 [ 895.169727] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 895.169736] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.169746] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 895.169754] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 895.169762] [] ? find_get_entry+0x11a/0x570 [ 895.169770] [] ? find_get_entry+0x141/0x570 [ 895.169777] [] ? page_cache_prev_hole+0x80/0x80 [ 895.169785] [] ? pagecache_get_page+0x131/0x710 [ 895.169793] [] filemap_fault+0xaf1/0x1110 [ 895.169802] [] ext4_filemap_fault+0x71/0xa0 [ 895.169810] [] __do_fault+0x223/0x500 [ 895.169817] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 895.169825] [] ? generic_file_readonly_mmap+0x190/0x190 [ 895.169833] [] handle_mm_fault+0x1326/0x2350 [ 895.169841] [] ? vm_insert_page+0x6f0/0x6f0 [ 895.169849] [] ? hrtimer_nanosleep+0x38c/0x550 [ 895.169860] [] __do_page_fault+0x403/0xa60 [ 895.169867] [] ? bad_area_access_error+0x3a0/0x3a0 [ 895.169878] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 895.169885] [] do_page_fault+0x27/0x30 [ 895.169894] [] page_fault+0x25/0x30 [ 895.169897] Mem-Info: [ 895.169916] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 895.169916] active_file:0 inactive_file:41 isolated_file:0 [ 895.169916] unevictable:0 dirty:0 writeback:0 unstable:0 [ 895.169916] slab_reclaimable:4627 slab_unreclaimable:57007 [ 895.169916] mapped:5 shmem:48 pagetables:361 bounce:0 [ 895.169916] free:5993 free_pcp:108 free_cma:0 [ 895.169929] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 895.169949] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 895.169977] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227440kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 895.170036] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 895.170083] 0 pages in swap cache [ 895.170087] Swap cache stats: add 0, delete 0, find 0/0 [ 895.170090] Free swap = 0kB [ 895.170092] Total swap = 0kB [ 895.170094] 1965979 pages RAM [ 895.170096] 0 pages HighMem/MovableOnly [ 895.170099] 313617 pages reserved [ 895.204579] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 895.204579] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 895.204579] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 895.204579] Free memory is -13532kB above reserved [ 895.859995] syz-execprog: page allocation stalls for 130010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 895.860005] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 895.860022] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 895.860033] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 895.860043] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 895.860045] Call Trace: [ 895.860062] [] dump_stack+0xc1/0x128 [ 895.860072] [] warn_alloc.cold.31+0x7f/0x9c [ 895.860083] [] ? zone_watermark_ok_safe+0x250/0x250 [ 895.860091] [] ? shrink_node+0x740/0x740 [ 895.860101] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 895.860109] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.860118] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 895.860128] [] ? check_preemption_disabled+0x3b/0x200 [ 895.860136] [] ? find_get_entry+0x11a/0x570 [ 895.860144] [] ? find_get_entry+0x141/0x570 [ 895.860152] [] ? page_cache_prev_hole+0x80/0x80 [ 895.860160] [] ? trace_hardirqs_on+0x10/0x10 [ 895.860168] [] ? pagecache_get_page+0x131/0x710 [ 895.860176] [] filemap_fault+0xaf1/0x1110 [ 895.860186] [] ext4_filemap_fault+0x71/0xa0 [ 895.860194] [] __do_fault+0x223/0x500 [ 895.860201] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 895.860209] [] ? handle_mm_fault+0x1d4f/0x2350 [ 895.860217] [] handle_mm_fault+0x1326/0x2350 [ 895.860226] [] ? poll_select_set_timeout+0xb5/0x120 [ 895.860234] [] ? vm_insert_page+0x6f0/0x6f0 [ 895.860244] [] __do_page_fault+0x403/0xa60 [ 895.860252] [] ? __fget_light+0x169/0x1f0 [ 895.860260] [] ? bad_area_access_error+0x3a0/0x3a0 [ 895.860270] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 895.860278] [] do_page_fault+0x27/0x30 [ 895.860286] [] page_fault+0x25/0x30 [ 895.860290] Mem-Info: [ 895.860308] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 895.860308] active_file:0 inactive_file:41 isolated_file:0 [ 895.860308] unevictable:0 dirty:0 writeback:0 unstable:0 [ 895.860308] slab_reclaimable:4627 slab_unreclaimable:57008 [ 895.860308] mapped:5 shmem:48 pagetables:361 bounce:0 [ 895.860308] free:5993 free_pcp:108 free_cma:0 [ 895.860323] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 895.860343] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 895.860381] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 895.860440] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 895.860487] 0 pages in swap cache [ 895.860492] Swap cache stats: add 0, delete 0, find 0/0 [ 895.860494] Free swap = 0kB [ 895.860496] Total swap = 0kB [ 895.860498] 1965979 pages RAM [ 895.860501] 0 pages HighMem/MovableOnly [ 895.860503] 313617 pages reserved [ 895.914846] blkid: page allocation stalls for 130010ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 895.914855] CPU: 1 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 895.914872] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 895.914896] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 895.914906] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 895.914908] Call Trace: [ 895.914932] [] dump_stack+0xc1/0x128 [ 895.914942] [] warn_alloc.cold.31+0x7f/0x9c [ 895.914952] [] ? zone_watermark_ok_safe+0x250/0x250 [ 895.914960] [] ? shrink_node+0x740/0x740 [ 895.914983] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 895.915004] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 895.915012] [] ? trace_hardirqs_on+0x10/0x10 [ 895.915034] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.915055] [] ? validate_mm+0x2f4/0x580 [ 895.915062] [] ? validate_mm+0x32e/0x580 [ 895.915069] [] __pmd_alloc+0x47/0x320 [ 895.915078] [] move_page_tables+0xa17/0xc70 [ 895.915088] [] shift_arg_pages+0x1a8/0x430 [ 895.915096] [] ? put_arg_page+0xd0/0xd0 [ 895.915104] [] ? setup_arg_pages+0x27f/0x7b0 [ 895.915112] [] setup_arg_pages+0x5fa/0x7b0 [ 895.915120] [] ? shift_arg_pages+0x430/0x430 [ 895.915142] [] load_elf_binary+0xaaa/0x4bc0 [ 895.915149] [] ? trace_hardirqs_on+0x10/0x10 [ 895.915157] [] ? audit_inode_permission+0x310/0x310 [ 895.915166] [] ? elf_core_dump+0x4330/0x4330 [ 895.915175] [] ? search_binary_handler+0xff/0x6f0 [ 895.915197] [] search_binary_handler+0x14f/0x6f0 [ 895.915205] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 895.915225] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 895.915246] [] ? prepare_bprm_creds+0x110/0x110 [ 895.915254] [] ? getname_flags+0x229/0x550 [ 895.915262] [] SyS_execve+0x42/0x50 [ 895.915273] [] ? setup_new_exec+0x830/0x830 [ 895.915281] [] do_syscall_64+0x19f/0x550 [ 895.915290] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 895.915294] Mem-Info: [ 895.915313] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 895.915313] active_file:0 inactive_file:41 isolated_file:0 [ 895.915313] unevictable:0 dirty:0 writeback:0 unstable:0 [ 895.915313] slab_reclaimable:4627 slab_unreclaimable:57008 [ 895.915313] mapped:5 shmem:48 pagetables:361 bounce:0 [ 895.915313] free:5993 free_pcp:108 free_cma:0 [ 895.915327] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 895.915358] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 895.915386] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 895.915443] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 895.915489] 0 pages in swap cache [ 895.915493] Swap cache stats: add 0, delete 0, find 0/0 [ 895.915495] Free swap = 0kB [ 895.915498] Total swap = 0kB [ 895.915500] 1965979 pages RAM [ 895.915502] 0 pages HighMem/MovableOnly [ 895.915505] 313617 pages reserved [ 895.956976] syz-execprog: page allocation stalls for 130030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 895.956997] CPU: 0 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 895.957024] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 895.957048] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 895.957059] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 895.957060] Call Trace: [ 895.957075] [] dump_stack+0xc1/0x128 [ 895.957085] [] warn_alloc.cold.31+0x7f/0x9c [ 895.957107] [] ? zone_watermark_ok_safe+0x250/0x250 [ 895.957116] [] ? shrink_node+0x740/0x740 [ 895.957125] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 895.957133] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.957143] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 895.957151] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 895.957159] [] ? find_get_entry+0x11a/0x570 [ 895.957180] [] ? find_get_entry+0x141/0x570 [ 895.957187] [] ? page_cache_prev_hole+0x80/0x80 [ 895.957196] [] ? autoremove_wake_function+0x40/0x40 [ 895.957203] [] ? pagecache_get_page+0x131/0x710 [ 895.957211] [] filemap_fault+0xaf1/0x1110 [ 895.957220] [] ext4_filemap_fault+0x71/0xa0 [ 895.957227] [] __do_fault+0x223/0x500 [ 895.957234] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 895.957243] [] ? generic_file_readonly_mmap+0x190/0x190 [ 895.957250] [] handle_mm_fault+0x1326/0x2350 [ 895.957257] [] ? vm_insert_page+0x6f0/0x6f0 [ 895.957266] [] ? selinux_file_permission+0x82/0x470 [ 895.957276] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 895.957283] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.957293] [] __do_page_fault+0x403/0xa60 [ 895.957300] [] ? bad_area_access_error+0x3a0/0x3a0 [ 895.957310] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 895.957317] [] do_page_fault+0x27/0x30 [ 895.957326] [] page_fault+0x25/0x30 [ 895.957329] Mem-Info: [ 895.957347] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 895.957347] active_file:0 inactive_file:41 isolated_file:0 [ 895.957347] unevictable:0 dirty:0 writeback:0 unstable:0 [ 895.957347] slab_reclaimable:4627 slab_unreclaimable:57008 [ 895.957347] mapped:5 shmem:48 pagetables:361 bounce:0 [ 895.957347] free:5993 free_pcp:108 free_cma:0 [ 895.957361] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 895.957393] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 895.957426] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 895.957511] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 895.957558] 0 pages in swap cache [ 895.957562] Swap cache stats: add 0, delete 0, find 0/0 [ 895.957564] Free swap = 0kB [ 895.957566] Total swap = 0kB [ 895.957569] 1965979 pages RAM [ 895.957571] 0 pages HighMem/MovableOnly [ 895.957573] 313617 pages reserved [ 895.974877] syz-execprog: page allocation stalls for 130060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 895.974884] CPU: 0 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 895.974897] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 895.974908] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 895.974919] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 895.974920] Call Trace: [ 895.974930] [] dump_stack+0xc1/0x128 [ 895.974938] [] warn_alloc.cold.31+0x7f/0x9c [ 895.974947] [] ? zone_watermark_ok_safe+0x250/0x250 [ 895.974955] [] ? shrink_node+0x740/0x740 [ 895.974965] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 895.974986] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 895.975006] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 895.975013] [] ? find_get_entry+0x11a/0x570 [ 895.975020] [] ? find_get_entry+0x141/0x570 [ 895.975039] [] ? page_cache_prev_hole+0x80/0x80 [ 895.975047] [] ? autoremove_wake_function+0x40/0x40 [ 895.975054] [] ? pagecache_get_page+0x131/0x710 [ 895.975073] [] filemap_fault+0xaf1/0x1110 [ 895.975080] [] ext4_filemap_fault+0x71/0xa0 [ 895.975087] [] __do_fault+0x223/0x500 [ 895.975094] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 895.975102] [] ? generic_file_readonly_mmap+0x190/0x190 [ 895.975109] [] handle_mm_fault+0x1326/0x2350 [ 895.975118] [] ? poll_select_set_timeout+0xb5/0x120 [ 895.975125] [] ? vm_insert_page+0x6f0/0x6f0 [ 895.975131] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.975139] [] __do_page_fault+0x403/0xa60 [ 895.975147] [] ? __fget_light+0x169/0x1f0 [ 895.975155] [] ? bad_area_access_error+0x3a0/0x3a0 [ 895.975163] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 895.975170] [] do_page_fault+0x27/0x30 [ 895.975177] [] page_fault+0x25/0x30 [ 895.975192] Mem-Info: [ 895.975232] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 895.975232] active_file:0 inactive_file:41 isolated_file:0 [ 895.975232] unevictable:0 dirty:0 writeback:0 unstable:0 [ 895.975232] slab_reclaimable:4627 slab_unreclaimable:57008 [ 895.975232] mapped:5 shmem:48 pagetables:361 bounce:0 [ 895.975232] free:5993 free_pcp:108 free_cma:0 [ 895.975245] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 895.975264] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 895.975291] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 895.975361] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 895.975408] 0 pages in swap cache [ 895.975412] Swap cache stats: add 0, delete 0, find 0/0 [ 895.975414] Free swap = 0kB [ 895.975425] Total swap = 0kB [ 895.975428] 1965979 pages RAM [ 895.975430] 0 pages HighMem/MovableOnly [ 895.975432] 313617 pages reserved [ 896.214599] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 896.214599] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 896.214599] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 896.214599] Free memory is -13532kB above reserved [ 896.214615] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 896.214615] to free 108kB on behalf of 'cron' (1948) because [ 896.214615] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 896.214615] Free memory is -13532kB above reserved [ 896.299230] udevd: page allocation stalls for 130010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 896.299239] CPU: 1 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 896.299255] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 896.299265] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 896.299275] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 896.299277] Call Trace: [ 896.299293] [] dump_stack+0xc1/0x128 [ 896.299303] [] warn_alloc.cold.31+0x7f/0x9c [ 896.299312] [] ? zone_watermark_ok_safe+0x250/0x250 [ 896.299321] [] ? shrink_node+0x740/0x740 [ 896.299330] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 896.299339] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 896.299348] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 896.299356] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 896.299363] [] ? find_get_entry+0x11a/0x570 [ 896.299371] [] ? find_get_entry+0x141/0x570 [ 896.299378] [] ? page_cache_prev_hole+0x80/0x80 [ 896.299386] [] ? autoremove_wake_function+0x40/0x40 [ 896.299394] [] ? pagecache_get_page+0x131/0x710 [ 896.299401] [] filemap_fault+0xaf1/0x1110 [ 896.299410] [] ext4_filemap_fault+0x71/0xa0 [ 896.299417] [] __do_fault+0x223/0x500 [ 896.299424] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 896.299432] [] ? generic_file_readonly_mmap+0x190/0x190 [ 896.299439] [] handle_mm_fault+0x1326/0x2350 [ 896.299446] [] ? vm_insert_page+0x6f0/0x6f0 [ 896.299453] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 896.299463] [] __do_page_fault+0x403/0xa60 [ 896.299470] [] ? bad_area_access_error+0x3a0/0x3a0 [ 896.299480] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 896.299487] [] do_page_fault+0x27/0x30 [ 896.299495] [] page_fault+0x25/0x30 [ 896.299499] Mem-Info: [ 896.299516] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 896.299516] active_file:0 inactive_file:41 isolated_file:0 [ 896.299516] unevictable:0 dirty:0 writeback:0 unstable:0 [ 896.299516] slab_reclaimable:4627 slab_unreclaimable:57008 [ 896.299516] mapped:5 shmem:48 pagetables:361 bounce:0 [ 896.299516] free:5993 free_pcp:108 free_cma:0 [ 896.299529] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 896.299549] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 896.299575] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 896.299630] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 896.299674] 0 pages in swap cache [ 896.299678] Swap cache stats: add 0, delete 0, find 0/0 [ 896.299680] Free swap = 0kB [ 896.299682] Total swap = 0kB [ 896.299684] 1965979 pages RAM [ 896.299687] 0 pages HighMem/MovableOnly [ 896.299689] 313617 pages reserved [ 896.519260] syz-execprog: page allocation stalls for 130030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 896.519269] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 896.519285] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 896.519296] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 896.519306] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 896.519307] Call Trace: [ 896.519323] [] dump_stack+0xc1/0x128 [ 896.519332] [] warn_alloc.cold.31+0x7f/0x9c [ 896.519342] [] ? zone_watermark_ok_safe+0x250/0x250 [ 896.519351] [] ? shrink_node+0x740/0x740 [ 896.519360] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 896.519369] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 896.519378] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 896.519386] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 896.519393] [] ? find_get_entry+0x11a/0x570 [ 896.519400] [] ? find_get_entry+0x141/0x570 [ 896.519408] [] ? page_cache_prev_hole+0x80/0x80 [ 896.519416] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 896.519423] [] ? pagecache_get_page+0x131/0x710 [ 896.519430] [] filemap_fault+0xaf1/0x1110 [ 896.519439] [] ext4_filemap_fault+0x71/0xa0 [ 896.519446] [] __do_fault+0x223/0x500 [ 896.519453] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 896.519462] [] ? generic_file_readonly_mmap+0x190/0x190 [ 896.519469] [] handle_mm_fault+0x1326/0x2350 [ 896.519476] [] ? vm_insert_page+0x6f0/0x6f0 [ 896.519486] [] ? kvm_clock_read+0x23/0x40 [ 896.519493] [] ? kvm_clock_get_cycles+0x9/0x10 [ 896.519501] [] __do_page_fault+0x403/0xa60 [ 896.519509] [] ? bad_area_access_error+0x3a0/0x3a0 [ 896.519524] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 896.519532] [] do_page_fault+0x27/0x30 [ 896.519539] [] page_fault+0x25/0x30 [ 896.519543] Mem-Info: [ 896.519561] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 896.519561] active_file:0 inactive_file:41 isolated_file:0 [ 896.519561] unevictable:0 dirty:0 writeback:0 unstable:0 [ 896.519561] slab_reclaimable:4627 slab_unreclaimable:57008 [ 896.519561] mapped:5 shmem:48 pagetables:361 bounce:0 [ 896.519561] free:5993 free_pcp:108 free_cma:0 [ 896.519574] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 896.519593] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 896.519619] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 896.519675] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 896.519719] 0 pages in swap cache [ 896.519723] Swap cache stats: add 0, delete 0, find 0/0 [ 896.519725] Free swap = 0kB [ 896.519727] Total swap = 0kB [ 896.519730] 1965979 pages RAM [ 896.519732] 0 pages HighMem/MovableOnly [ 896.519734] 313617 pages reserved [ 896.659669] udevd: page allocation stalls for 70070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 896.659678] CPU: 0 PID: 588 Comm: udevd Not tainted 4.9.141+ #23 [ 896.659695] ffff8801cfd577c0 ffffffff81b42e79 1ffff10039faaefa ffff8801cfe697c0 [ 896.659706] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfd57908 [ 896.659717] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 896.659719] Call Trace: [ 896.659739] [] dump_stack+0xc1/0x128 [ 896.659749] [] warn_alloc.cold.31+0x7f/0x9c [ 896.659760] [] ? zone_watermark_ok_safe+0x250/0x250 [ 896.659770] [] ? shrink_node+0x740/0x740 [ 896.659779] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 896.659788] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 896.659798] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 896.659806] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 896.659814] [] ? find_get_entry+0x11a/0x570 [ 896.659822] [] ? find_get_entry+0x141/0x570 [ 896.659830] [] ? page_cache_prev_hole+0x80/0x80 [ 896.659838] [] ? pagecache_get_page+0x131/0x710 [ 896.659846] [] filemap_fault+0xaf1/0x1110 [ 896.659855] [] ext4_filemap_fault+0x71/0xa0 [ 896.659862] [] __do_fault+0x223/0x500 [ 896.659869] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 896.659878] [] ? generic_file_readonly_mmap+0x190/0x190 [ 896.659886] [] handle_mm_fault+0x1326/0x2350 [ 896.659894] [] ? ep_poll+0x18f/0xb20 [ 896.659902] [] ? vm_insert_page+0x6f0/0x6f0 [ 896.659910] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 896.659920] [] __do_page_fault+0x403/0xa60 [ 896.659929] [] ? __fget_light+0x169/0x1f0 [ 896.659937] [] ? bad_area_access_error+0x3a0/0x3a0 [ 896.659948] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 896.659955] [] do_page_fault+0x27/0x30 [ 896.659964] [] page_fault+0x25/0x30 [ 896.659967] Mem-Info: [ 896.659986] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 896.659986] active_file:0 inactive_file:41 isolated_file:0 [ 896.659986] unevictable:0 dirty:0 writeback:0 unstable:0 [ 896.659986] slab_reclaimable:4627 slab_unreclaimable:57008 [ 896.659986] mapped:5 shmem:48 pagetables:361 bounce:0 [ 896.659986] free:5993 free_pcp:108 free_cma:0 [ 896.660000] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 896.660020] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 896.660048] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 896.660107] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 896.660154] 0 pages in swap cache [ 896.660158] Swap cache stats: add 0, delete 0, find 0/0 [ 896.660161] Free swap = 0kB [ 896.660163] Total swap = 0kB [ 896.660165] 1965979 pages RAM [ 896.660168] 0 pages HighMem/MovableOnly [ 896.660170] 313617 pages reserved [ 897.224597] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 897.224597] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 897.224597] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 897.224597] Free memory is -13532kB above reserved [ 898.234573] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 898.234573] to free 108kB on behalf of 'init' (1) because [ 898.234573] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 898.234573] Free memory is -13532kB above reserved [ 898.234596] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 898.234596] to free 108kB on behalf of 'syz-execprog' (2160) because [ 898.234596] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 898.234596] Free memory is -13532kB above reserved [ 899.244626] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 899.244626] to free 108kB on behalf of 'init' (1) because [ 899.244626] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 899.244626] Free memory is -13532kB above reserved [ 899.244638] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 899.244638] to free 108kB on behalf of 'cron' (1948) because [ 899.244638] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 899.244638] Free memory is -13532kB above reserved [ 899.359699] init: page allocation stalls for 130040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 899.359709] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 899.359726] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 899.359737] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 899.359748] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 899.359750] Call Trace: [ 899.359766] [] dump_stack+0xc1/0x128 [ 899.359776] [] warn_alloc.cold.31+0x7f/0x9c [ 899.359787] [] ? zone_watermark_ok_safe+0x250/0x250 [ 899.359795] [] ? shrink_node+0x740/0x740 [ 899.359805] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 899.359813] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 899.359823] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 899.359832] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 899.359840] [] ? find_get_entry+0x11a/0x570 [ 899.359848] [] ? find_get_entry+0x141/0x570 [ 899.359855] [] ? page_cache_prev_hole+0x80/0x80 [ 899.359863] [] ? pagecache_get_page+0x131/0x710 [ 899.359871] [] filemap_fault+0xaf1/0x1110 [ 899.359880] [] ext4_filemap_fault+0x71/0xa0 [ 899.359887] [] __do_fault+0x223/0x500 [ 899.359895] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 899.359903] [] ? generic_file_readonly_mmap+0x190/0x190 [ 899.359911] [] handle_mm_fault+0x1326/0x2350 [ 899.359927] [] ? vm_insert_page+0x6f0/0x6f0 [ 899.359938] [] ? kvm_clock_get_cycles+0x9/0x10 [ 899.359947] [] __do_page_fault+0x403/0xa60 [ 899.359955] [] ? bad_area_access_error+0x3a0/0x3a0 [ 899.359965] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 899.359973] [] do_page_fault+0x27/0x30 [ 899.359981] [] page_fault+0x25/0x30 [ 899.359985] Mem-Info: [ 899.360004] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 899.360004] active_file:0 inactive_file:41 isolated_file:0 [ 899.360004] unevictable:0 dirty:0 writeback:0 unstable:0 [ 899.360004] slab_reclaimable:4627 slab_unreclaimable:57008 [ 899.360004] mapped:5 shmem:48 pagetables:361 bounce:0 [ 899.360004] free:5993 free_pcp:108 free_cma:0 [ 899.360018] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 899.360038] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:588kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 899.360067] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 899.360127] DMA32: 7*4kB (UME) 7*8kB (ME) 10*16kB (UME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18676kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 899.360174] 0 pages in swap cache [ 899.360178] Swap cache stats: add 0, delete 0, find 0/0 [ 899.360180] Free swap = 0kB [ 899.360182] Total swap = 0kB [ 899.360185] 1965979 pages RAM [ 899.360187] 0 pages HighMem/MovableOnly [ 899.360190] 313617 pages reserved [ 900.272105] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 900.272105] to free 108kB on behalf of 'syz-execprog' (2160) because [ 900.272105] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 900.272105] Free memory is -13532kB above reserved [ 901.274559] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 901.274559] to free 108kB on behalf of 'syz-execprog' (2160) because [ 901.274559] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 901.274559] Free memory is -13532kB above reserved [ 902.284572] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 902.284572] to free 108kB on behalf of 'syz-execprog' (2171) because [ 902.284572] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 902.284572] Free memory is -13532kB above reserved [ 902.284584] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 902.284584] to free 108kB on behalf of 'blkid' (2353) because [ 902.284584] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 902.284584] Free memory is -13532kB above reserved [ 903.294625] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 903.294625] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 903.294625] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 903.294625] Free memory is -13532kB above reserved [ 904.304648] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 904.304648] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 904.304648] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 904.304648] Free memory is -13540kB above reserved [ 905.225185] cron: page allocation stalls for 120060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 905.225195] CPU: 1 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 905.225211] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 905.225222] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 905.225232] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 905.225234] Call Trace: [ 905.225249] [] dump_stack+0xc1/0x128 [ 905.225259] [] warn_alloc.cold.31+0x7f/0x9c [ 905.225268] [] ? zone_watermark_ok_safe+0x250/0x250 [ 905.225277] [] ? shrink_node+0x740/0x740 [ 905.225286] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 905.225294] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 905.225303] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 905.225311] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 905.225318] [] ? find_get_entry+0x11a/0x570 [ 905.225325] [] ? find_get_entry+0x141/0x570 [ 905.225332] [] ? page_cache_prev_hole+0x80/0x80 [ 905.225339] [] ? pagecache_get_page+0x131/0x710 [ 905.225347] [] filemap_fault+0xaf1/0x1110 [ 905.225356] [] ext4_filemap_fault+0x71/0xa0 [ 905.225363] [] __do_fault+0x223/0x500 [ 905.225370] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 905.225378] [] ? generic_file_readonly_mmap+0x190/0x190 [ 905.225386] [] handle_mm_fault+0x1326/0x2350 [ 905.225393] [] ? vm_insert_page+0x6f0/0x6f0 [ 905.225401] [] ? hrtimer_nanosleep+0x38c/0x550 [ 905.225410] [] __do_page_fault+0x403/0xa60 [ 905.225417] [] ? bad_area_access_error+0x3a0/0x3a0 [ 905.225427] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 905.225434] [] do_page_fault+0x27/0x30 [ 905.225442] [] page_fault+0x25/0x30 [ 905.225446] Mem-Info: [ 905.225464] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 905.225464] active_file:0 inactive_file:41 isolated_file:0 [ 905.225464] unevictable:0 dirty:0 writeback:0 unstable:0 [ 905.225464] slab_reclaimable:4627 slab_unreclaimable:57010 [ 905.225464] mapped:5 shmem:48 pagetables:361 bounce:0 [ 905.225464] free:5991 free_pcp:108 free_cma:0 [ 905.225477] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 905.225496] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 905.225523] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 905.225579] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 905.225622] 0 pages in swap cache [ 905.225627] Swap cache stats: add 0, delete 0, find 0/0 [ 905.225629] Free swap = 0kB [ 905.225631] Total swap = 0kB [ 905.225633] 1965979 pages RAM [ 905.225635] 0 pages HighMem/MovableOnly [ 905.225637] 313617 pages reserved [ 905.316708] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 905.316708] to free 108kB on behalf of 'syz-execprog' (2160) because [ 905.316708] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 905.316708] Free memory is -13540kB above reserved [ 905.883979] syz-execprog: page allocation stalls for 140030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 905.883989] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 905.884005] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 905.884015] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 905.884025] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 905.884027] Call Trace: [ 905.884042] [] dump_stack+0xc1/0x128 [ 905.884052] [] warn_alloc.cold.31+0x7f/0x9c [ 905.884062] [] ? zone_watermark_ok_safe+0x250/0x250 [ 905.884070] [] ? shrink_node+0x740/0x740 [ 905.884079] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 905.884088] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 905.884098] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 905.884106] [] ? check_preemption_disabled+0x3b/0x200 [ 905.884113] [] ? find_get_entry+0x11a/0x570 [ 905.884121] [] ? find_get_entry+0x141/0x570 [ 905.884128] [] ? page_cache_prev_hole+0x80/0x80 [ 905.884135] [] ? trace_hardirqs_on+0x10/0x10 [ 905.884143] [] ? pagecache_get_page+0x131/0x710 [ 905.884150] [] filemap_fault+0xaf1/0x1110 [ 905.884159] [] ext4_filemap_fault+0x71/0xa0 [ 905.884166] [] __do_fault+0x223/0x500 [ 905.884173] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 905.884181] [] ? handle_mm_fault+0x1d4f/0x2350 [ 905.884188] [] handle_mm_fault+0x1326/0x2350 [ 905.884197] [] ? poll_select_set_timeout+0xb5/0x120 [ 905.884204] [] ? vm_insert_page+0x6f0/0x6f0 [ 905.884213] [] __do_page_fault+0x403/0xa60 [ 905.884221] [] ? __fget_light+0x169/0x1f0 [ 905.884229] [] ? bad_area_access_error+0x3a0/0x3a0 [ 905.884239] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 905.884246] [] do_page_fault+0x27/0x30 [ 905.884254] [] page_fault+0x25/0x30 [ 905.884258] Mem-Info: [ 905.884274] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 905.884274] active_file:0 inactive_file:41 isolated_file:0 [ 905.884274] unevictable:0 dirty:0 writeback:0 unstable:0 [ 905.884274] slab_reclaimable:4627 slab_unreclaimable:57010 [ 905.884274] mapped:5 shmem:48 pagetables:361 bounce:0 [ 905.884274] free:5991 free_pcp:108 free_cma:0 [ 905.884287] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 905.884306] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 905.884333] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 905.884388] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 905.884431] 0 pages in swap cache [ 905.884435] Swap cache stats: add 0, delete 0, find 0/0 [ 905.884438] Free swap = 0kB [ 905.884440] Total swap = 0kB [ 905.884442] 1965979 pages RAM [ 905.884444] 0 pages HighMem/MovableOnly [ 905.884446] 313617 pages reserved [ 905.929885] blkid: page allocation stalls for 140020ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 905.929895] CPU: 0 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 905.929912] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 905.929922] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 905.929932] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 905.929934] Call Trace: [ 905.929949] [] dump_stack+0xc1/0x128 [ 905.929959] [] warn_alloc.cold.31+0x7f/0x9c [ 905.929969] [] ? zone_watermark_ok_safe+0x250/0x250 [ 905.929978] [] ? shrink_node+0x740/0x740 [ 905.929987] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 905.929996] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 905.930005] [] ? trace_hardirqs_on+0x10/0x10 [ 905.930014] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 905.930022] [] ? validate_mm+0x2f4/0x580 [ 905.930030] [] ? validate_mm+0x32e/0x580 [ 905.930037] [] __pmd_alloc+0x47/0x320 [ 905.930046] [] move_page_tables+0xa17/0xc70 [ 905.930056] [] shift_arg_pages+0x1a8/0x430 [ 905.930064] [] ? put_arg_page+0xd0/0xd0 [ 905.930072] [] ? setup_arg_pages+0x27f/0x7b0 [ 905.930081] [] setup_arg_pages+0x5fa/0x7b0 [ 905.930089] [] ? shift_arg_pages+0x430/0x430 [ 905.930099] [] load_elf_binary+0xaaa/0x4bc0 [ 905.930106] [] ? trace_hardirqs_on+0x10/0x10 [ 905.930115] [] ? audit_inode_permission+0x310/0x310 [ 905.930124] [] ? elf_core_dump+0x4330/0x4330 [ 905.930132] [] ? search_binary_handler+0xff/0x6f0 [ 905.930141] [] search_binary_handler+0x14f/0x6f0 [ 905.930150] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 905.930159] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 905.930168] [] ? prepare_bprm_creds+0x110/0x110 [ 905.930175] [] ? getname_flags+0x229/0x550 [ 905.930184] [] SyS_execve+0x42/0x50 [ 905.930192] [] ? setup_new_exec+0x830/0x830 [ 905.930200] [] do_syscall_64+0x19f/0x550 [ 905.930210] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 905.930213] Mem-Info: [ 905.930231] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 905.930231] active_file:0 inactive_file:41 isolated_file:0 [ 905.930231] unevictable:0 dirty:0 writeback:0 unstable:0 [ 905.930231] slab_reclaimable:4627 slab_unreclaimable:57010 [ 905.930231] mapped:5 shmem:48 pagetables:361 bounce:0 [ 905.930231] free:5991 free_pcp:108 free_cma:0 [ 905.930246] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 905.930265] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 905.930293] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 905.930352] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 905.930398] 0 pages in swap cache [ 905.930402] Swap cache stats: add 0, delete 0, find 0/0 [ 905.930404] Free swap = 0kB [ 905.930406] Total swap = 0kB [ 905.930409] 1965979 pages RAM [ 905.930411] 0 pages HighMem/MovableOnly [ 905.930413] 313617 pages reserved [ 905.936145] syz-execprog: page allocation stalls for 140020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 905.936153] CPU: 1 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 905.936165] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 905.936187] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 905.936197] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 905.936198] Call Trace: [ 905.936208] [] dump_stack+0xc1/0x128 [ 905.936216] [] warn_alloc.cold.31+0x7f/0x9c [ 905.936225] [] ? zone_watermark_ok_safe+0x250/0x250 [ 905.936232] [] ? shrink_node+0x740/0x740 [ 905.936242] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 905.936250] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 905.936259] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 905.936266] [] ? find_get_entry+0x11a/0x570 [ 905.936286] [] ? find_get_entry+0x141/0x570 [ 905.936293] [] ? page_cache_prev_hole+0x80/0x80 [ 905.936301] [] ? autoremove_wake_function+0x40/0x40 [ 905.936308] [] ? pagecache_get_page+0x131/0x710 [ 905.936316] [] filemap_fault+0xaf1/0x1110 [ 905.936323] [] ext4_filemap_fault+0x71/0xa0 [ 905.936330] [] __do_fault+0x223/0x500 [ 905.936336] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 905.936344] [] ? generic_file_readonly_mmap+0x190/0x190 [ 905.936351] [] handle_mm_fault+0x1326/0x2350 [ 905.936359] [] ? poll_select_set_timeout+0xb5/0x120 [ 905.936366] [] ? vm_insert_page+0x6f0/0x6f0 [ 905.936373] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 905.936394] [] __do_page_fault+0x403/0xa60 [ 905.936414] [] ? __fget_light+0x169/0x1f0 [ 905.936421] [] ? bad_area_access_error+0x3a0/0x3a0 [ 905.936430] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 905.936449] [] do_page_fault+0x27/0x30 [ 905.936457] [] page_fault+0x25/0x30 [ 905.936460] Mem-Info: [ 905.936476] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 905.936476] active_file:0 inactive_file:41 isolated_file:0 [ 905.936476] unevictable:0 dirty:0 writeback:0 unstable:0 [ 905.936476] slab_reclaimable:4627 slab_unreclaimable:57010 [ 905.936476] mapped:5 shmem:48 pagetables:361 bounce:0 [ 905.936476] free:5991 free_pcp:108 free_cma:0 [ 905.936489] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 905.936508] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 905.936534] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 905.936589] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 905.936631] 0 pages in swap cache [ 905.936635] Swap cache stats: add 0, delete 0, find 0/0 [ 905.936637] Free swap = 0kB [ 905.936639] Total swap = 0kB [ 905.936642] 1965979 pages RAM [ 905.936644] 0 pages HighMem/MovableOnly [ 905.936646] 313617 pages reserved [ 905.937660] syz-execprog: page allocation stalls for 140010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 905.937666] CPU: 1 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 905.937678] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 905.937688] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 905.937698] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 905.937700] Call Trace: [ 905.937709] [] dump_stack+0xc1/0x128 [ 905.937717] [] warn_alloc.cold.31+0x7f/0x9c [ 905.937726] [] ? zone_watermark_ok_safe+0x250/0x250 [ 905.937733] [] ? shrink_node+0x740/0x740 [ 905.937742] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 905.937750] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 905.937758] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 905.937766] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 905.937773] [] ? find_get_entry+0x11a/0x570 [ 905.937780] [] ? find_get_entry+0x141/0x570 [ 905.937787] [] ? page_cache_prev_hole+0x80/0x80 [ 905.937794] [] ? autoremove_wake_function+0x40/0x40 [ 905.937802] [] ? pagecache_get_page+0x131/0x710 [ 905.937809] [] filemap_fault+0xaf1/0x1110 [ 905.937817] [] ext4_filemap_fault+0x71/0xa0 [ 905.937824] [] __do_fault+0x223/0x500 [ 905.937831] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 905.937839] [] ? generic_file_readonly_mmap+0x190/0x190 [ 905.937846] [] handle_mm_fault+0x1326/0x2350 [ 905.937853] [] ? vm_insert_page+0x6f0/0x6f0 [ 905.937861] [] ? selinux_file_permission+0x82/0x470 [ 905.937870] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 905.937877] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 905.937885] [] __do_page_fault+0x403/0xa60 [ 905.937893] [] ? bad_area_access_error+0x3a0/0x3a0 [ 905.937901] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 905.937908] [] do_page_fault+0x27/0x30 [ 905.937915] [] page_fault+0x25/0x30 [ 905.937925] Mem-Info: [ 905.937941] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 905.937941] active_file:0 inactive_file:41 isolated_file:0 [ 905.937941] unevictable:0 dirty:0 writeback:0 unstable:0 [ 905.937941] slab_reclaimable:4627 slab_unreclaimable:57010 [ 905.937941] mapped:5 shmem:48 pagetables:361 bounce:0 [ 905.937941] free:5991 free_pcp:108 free_cma:0 [ 905.937955] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 905.937973] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 905.937999] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 905.938053] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 905.938096] 0 pages in swap cache [ 905.938099] Swap cache stats: add 0, delete 0, find 0/0 [ 905.938102] Free swap = 0kB [ 905.938104] Total swap = 0kB [ 905.938106] 1965979 pages RAM [ 905.938108] 0 pages HighMem/MovableOnly [ 905.938110] 313617 pages reserved [ 906.308406] udevd: page allocation stalls for 140020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 906.308415] CPU: 1 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 906.308432] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 906.308443] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 906.308454] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 906.308456] Call Trace: [ 906.308471] [] dump_stack+0xc1/0x128 [ 906.308481] [] warn_alloc.cold.31+0x7f/0x9c [ 906.308491] [] ? zone_watermark_ok_safe+0x250/0x250 [ 906.308500] [] ? shrink_node+0x740/0x740 [ 906.308509] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 906.308518] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 906.308527] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 906.308536] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 906.308544] [] ? find_get_entry+0x11a/0x570 [ 906.308552] [] ? find_get_entry+0x141/0x570 [ 906.308559] [] ? page_cache_prev_hole+0x80/0x80 [ 906.308568] [] ? autoremove_wake_function+0x40/0x40 [ 906.308576] [] ? pagecache_get_page+0x131/0x710 [ 906.308583] [] filemap_fault+0xaf1/0x1110 [ 906.308592] [] ext4_filemap_fault+0x71/0xa0 [ 906.308600] [] __do_fault+0x223/0x500 [ 906.308607] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 906.308615] [] ? generic_file_readonly_mmap+0x190/0x190 [ 906.308623] [] handle_mm_fault+0x1326/0x2350 [ 906.308631] [] ? vm_insert_page+0x6f0/0x6f0 [ 906.308639] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 906.308648] [] __do_page_fault+0x403/0xa60 [ 906.308656] [] ? bad_area_access_error+0x3a0/0x3a0 [ 906.308666] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 906.308673] [] do_page_fault+0x27/0x30 [ 906.308682] [] page_fault+0x25/0x30 [ 906.308686] Mem-Info: [ 906.308704] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 906.308704] active_file:0 inactive_file:41 isolated_file:0 [ 906.308704] unevictable:0 dirty:0 writeback:0 unstable:0 [ 906.308704] slab_reclaimable:4627 slab_unreclaimable:57010 [ 906.308704] mapped:5 shmem:48 pagetables:361 bounce:0 [ 906.308704] free:5991 free_pcp:108 free_cma:0 [ 906.308719] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 906.308740] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 906.308768] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 906.308828] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 906.308875] 0 pages in swap cache [ 906.308880] Swap cache stats: add 0, delete 0, find 0/0 [ 906.308882] Free swap = 0kB [ 906.308884] Total swap = 0kB [ 906.308887] 1965979 pages RAM [ 906.308889] 0 pages HighMem/MovableOnly [ 906.308891] 313617 pages reserved [ 906.324574] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 906.324574] to free 108kB on behalf of 'syz-execprog' (2156) because [ 906.324574] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 906.324574] Free memory is -13540kB above reserved [ 906.509502] syz-execprog: page allocation stalls for 140020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 906.509517] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 906.509534] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 906.509545] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 906.509555] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 906.509557] Call Trace: [ 906.509573] [] dump_stack+0xc1/0x128 [ 906.509583] [] warn_alloc.cold.31+0x7f/0x9c [ 906.509593] [] ? zone_watermark_ok_safe+0x250/0x250 [ 906.509603] [] ? shrink_node+0x740/0x740 [ 906.509612] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 906.509621] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 906.509630] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 906.509639] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 906.509647] [] ? find_get_entry+0x11a/0x570 [ 906.509655] [] ? find_get_entry+0x141/0x570 [ 906.509662] [] ? page_cache_prev_hole+0x80/0x80 [ 906.509671] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 906.509678] [] ? pagecache_get_page+0x131/0x710 [ 906.509687] [] filemap_fault+0xaf1/0x1110 [ 906.509696] [] ext4_filemap_fault+0x71/0xa0 [ 906.509704] [] __do_fault+0x223/0x500 [ 906.509710] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 906.509719] [] ? generic_file_readonly_mmap+0x190/0x190 [ 906.509727] [] handle_mm_fault+0x1326/0x2350 [ 906.509735] [] ? vm_insert_page+0x6f0/0x6f0 [ 906.509744] [] ? kvm_clock_read+0x23/0x40 [ 906.509752] [] ? kvm_clock_get_cycles+0x9/0x10 [ 906.509762] [] __do_page_fault+0x403/0xa60 [ 906.509770] [] ? bad_area_access_error+0x3a0/0x3a0 [ 906.509780] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 906.509787] [] do_page_fault+0x27/0x30 [ 906.509796] [] page_fault+0x25/0x30 [ 906.509799] Mem-Info: [ 906.509818] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 906.509818] active_file:0 inactive_file:41 isolated_file:0 [ 906.509818] unevictable:0 dirty:0 writeback:0 unstable:0 [ 906.509818] slab_reclaimable:4627 slab_unreclaimable:57010 [ 906.509818] mapped:5 shmem:48 pagetables:361 bounce:0 [ 906.509818] free:5991 free_pcp:108 free_cma:0 [ 906.509832] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 906.509852] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 906.509881] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 906.509950] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 906.509997] 0 pages in swap cache [ 906.510001] Swap cache stats: add 0, delete 0, find 0/0 [ 906.510003] Free swap = 0kB [ 906.510006] Total swap = 0kB [ 906.510008] 1965979 pages RAM [ 906.510010] 0 pages HighMem/MovableOnly [ 906.510013] 313617 pages reserved [ 906.612198] udevd: page allocation stalls for 80020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 906.612207] CPU: 0 PID: 588 Comm: udevd Not tainted 4.9.141+ #23 [ 906.612224] ffff8801cfd577c0 ffffffff81b42e79 1ffff10039faaefa ffff8801cfe697c0 [ 906.612248] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfd57908 [ 906.612258] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 906.612260] Call Trace: [ 906.612288] [] dump_stack+0xc1/0x128 [ 906.612298] [] warn_alloc.cold.31+0x7f/0x9c [ 906.612308] [] ? zone_watermark_ok_safe+0x250/0x250 [ 906.612317] [] ? shrink_node+0x740/0x740 [ 906.612326] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 906.612335] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 906.612344] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 906.612353] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 906.612360] [] ? find_get_entry+0x11a/0x570 [ 906.612368] [] ? find_get_entry+0x141/0x570 [ 906.612375] [] ? page_cache_prev_hole+0x80/0x80 [ 906.612383] [] ? pagecache_get_page+0x131/0x710 [ 906.612391] [] filemap_fault+0xaf1/0x1110 [ 906.612400] [] ext4_filemap_fault+0x71/0xa0 [ 906.612408] [] __do_fault+0x223/0x500 [ 906.612415] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 906.612432] [] ? generic_file_readonly_mmap+0x190/0x190 [ 906.612440] [] handle_mm_fault+0x1326/0x2350 [ 906.612449] [] ? ep_poll+0x18f/0xb20 [ 906.612456] [] ? vm_insert_page+0x6f0/0x6f0 [ 906.612465] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 906.612474] [] __do_page_fault+0x403/0xa60 [ 906.612483] [] ? __fget_light+0x169/0x1f0 [ 906.612491] [] ? bad_area_access_error+0x3a0/0x3a0 ** 11 printk messages dropped ** [ 906.612703] Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 906.612708] 0 pages in swap cache [ 906.612712] Swap cache stats: add 0, delete 0, find 0/0 [ 906.612715] Free swap = 0kB [ 906.612717] Total swap = 0kB [ 906.612719] 1965979 pages RAM [ 906.612722] 0 pages HighMem/MovableOnly [ 906.612724] 313617 pages reserved [ 907.334540] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 907.334540] to free 108kB on behalf of 'init' (1) because [ 907.334540] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 907.334540] Free memory is -13540kB above reserved [ 907.334553] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 907.334553] to free 108kB on behalf of 'syz-execprog' (2160) because [ 907.334553] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 907.334553] Free memory is -13540kB above reserved [ 908.344641] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 908.344641] to free 108kB on behalf of 'cron' (1948) because [ 908.344641] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 908.344641] Free memory is -13540kB above reserved [ 909.339980] init: page allocation stalls for 140020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 909.339988] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 909.340004] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 909.340014] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 909.340025] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 909.340027] Call Trace: [ 909.340043] [] dump_stack+0xc1/0x128 [ 909.340052] [] warn_alloc.cold.31+0x7f/0x9c [ 909.340062] [] ? zone_watermark_ok_safe+0x250/0x250 [ 909.340071] [] ? shrink_node+0x740/0x740 [ 909.340080] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 909.340089] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 909.340098] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 909.340106] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 909.340114] [] ? find_get_entry+0x11a/0x570 [ 909.340121] [] ? find_get_entry+0x141/0x570 [ 909.340128] [] ? page_cache_prev_hole+0x80/0x80 [ 909.340136] [] ? pagecache_get_page+0x131/0x710 [ 909.340144] [] filemap_fault+0xaf1/0x1110 [ 909.340152] [] ext4_filemap_fault+0x71/0xa0 [ 909.340159] [] __do_fault+0x223/0x500 [ 909.340165] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 909.340175] [] ? generic_file_readonly_mmap+0x190/0x190 [ 909.340182] [] handle_mm_fault+0x1326/0x2350 [ 909.340189] [] ? vm_insert_page+0x6f0/0x6f0 [ 909.340197] [] ? kvm_clock_get_cycles+0x9/0x10 [ 909.340206] [] __do_page_fault+0x403/0xa60 [ 909.340213] [] ? bad_area_access_error+0x3a0/0x3a0 [ 909.340222] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 909.340229] [] do_page_fault+0x27/0x30 [ 909.340237] [] page_fault+0x25/0x30 [ 909.340241] Mem-Info: [ 909.340259] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 909.340259] active_file:0 inactive_file:41 isolated_file:0 [ 909.340259] unevictable:0 dirty:0 writeback:0 unstable:0 [ 909.340259] slab_reclaimable:4627 slab_unreclaimable:57010 [ 909.340259] mapped:5 shmem:48 pagetables:361 bounce:0 [ 909.340259] free:5991 free_pcp:108 free_cma:0 [ 909.340272] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 909.340291] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 909.340317] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 909.340383] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 909.340426] 0 pages in swap cache [ 909.340430] Swap cache stats: add 0, delete 0, find 0/0 [ 909.340432] Free swap = 0kB [ 909.340435] Total swap = 0kB [ 909.340437] 1965979 pages RAM [ 909.340439] 0 pages HighMem/MovableOnly [ 909.340441] 313617 pages reserved [ 909.354636] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 909.354636] to free 108kB on behalf of 'syz-execprog' (2160) because [ 909.354636] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 909.354636] Free memory is -13540kB above reserved [ 909.354647] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 909.354647] to free 108kB on behalf of 'cron' (1948) because [ 909.354647] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 909.354647] Free memory is -13540kB above reserved [ 910.364574] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 910.364574] to free 108kB on behalf of 'syz-execprog' (2163) because [ 910.364574] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 910.364574] Free memory is -13540kB above reserved [ 910.364598] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 910.364598] to free 108kB on behalf of 'blkid' (2353) because [ 910.364598] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 910.364598] Free memory is -13540kB above reserved [ 911.374616] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 911.374616] to free 108kB on behalf of 'udevd' (588) because [ 911.374616] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 911.374616] Free memory is -13540kB above reserved [ 911.374628] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 911.374628] to free 108kB on behalf of 'syz-execprog' (2171) because [ 911.374628] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 911.374628] Free memory is -13540kB above reserved [ 912.384571] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 912.384571] to free 108kB on behalf of 'syz-execprog' (2171) because [ 912.384571] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 912.384571] Free memory is -13540kB above reserved [ 913.394653] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 913.394653] to free 108kB on behalf of 'udevd' (588) because [ 913.394653] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 913.394653] Free memory is -13540kB above reserved [ 914.404675] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 914.404675] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 914.404675] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 914.404675] Free memory is -13540kB above reserved [ 914.404687] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 914.404687] to free 108kB on behalf of 'syz-execprog' (2160) because [ 914.404687] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 914.404687] Free memory is -13540kB above reserved [ 915.228675] cron: page allocation stalls for 130070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 915.228684] CPU: 0 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 915.228701] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 915.228712] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 915.228722] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 915.228724] Call Trace: [ 915.228741] [] dump_stack+0xc1/0x128 [ 915.228751] [] warn_alloc.cold.31+0x7f/0x9c [ 915.228761] [] ? zone_watermark_ok_safe+0x250/0x250 [ 915.228770] [] ? shrink_node+0x740/0x740 [ 915.228780] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 915.228788] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 915.228798] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 915.228806] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 915.228814] [] ? find_get_entry+0x11a/0x570 [ 915.228822] [] ? find_get_entry+0x141/0x570 [ 915.228829] [] ? page_cache_prev_hole+0x80/0x80 [ 915.228837] [] ? pagecache_get_page+0x131/0x710 [ 915.228845] [] filemap_fault+0xaf1/0x1110 [ 915.228854] [] ext4_filemap_fault+0x71/0xa0 [ 915.228862] [] __do_fault+0x223/0x500 [ 915.228869] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 915.228877] [] ? generic_file_readonly_mmap+0x190/0x190 [ 915.228885] [] handle_mm_fault+0x1326/0x2350 [ 915.228893] [] ? vm_insert_page+0x6f0/0x6f0 [ 915.228901] [] ? hrtimer_nanosleep+0x38c/0x550 [ 915.228911] [] __do_page_fault+0x403/0xa60 [ 915.228919] [] ? bad_area_access_error+0x3a0/0x3a0 [ 915.228929] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 915.228937] [] do_page_fault+0x27/0x30 [ 915.228945] [] page_fault+0x25/0x30 [ 915.228949] Mem-Info: [ 915.228967] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 915.228967] active_file:0 inactive_file:41 isolated_file:0 [ 915.228967] unevictable:0 dirty:0 writeback:0 unstable:0 [ 915.228967] slab_reclaimable:4627 slab_unreclaimable:57010 [ 915.228967] mapped:5 shmem:48 pagetables:361 bounce:0 [ 915.228967] free:5991 free_pcp:108 free_cma:0 [ 915.228982] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 915.229001] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 915.229030] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 915.229089] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 915.229135] 0 pages in swap cache [ 915.229140] Swap cache stats: add 0, delete 0, find 0/0 [ 915.229142] Free swap = 0kB [ 915.229144] Total swap = 0kB [ 915.229147] 1965979 pages RAM [ 915.229149] 0 pages HighMem/MovableOnly [ 915.229151] 313617 pages reserved [ 915.414565] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 915.414565] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 915.414565] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 915.414565] Free memory is -13540kB above reserved [ 915.859919] syz-execprog: page allocation stalls for 150010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 915.859930] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 915.859947] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 915.859957] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 915.859968] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 915.859970] Call Trace: [ 915.859986] [] dump_stack+0xc1/0x128 [ 915.859996] [] warn_alloc.cold.31+0x7f/0x9c [ 915.860006] [] ? zone_watermark_ok_safe+0x250/0x250 [ 915.860014] [] ? shrink_node+0x740/0x740 [ 915.860024] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 915.860032] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 915.860041] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 915.860051] [] ? check_preemption_disabled+0x3b/0x200 [ 915.860059] [] ? find_get_entry+0x11a/0x570 [ 915.860066] [] ? find_get_entry+0x141/0x570 [ 915.860074] [] ? page_cache_prev_hole+0x80/0x80 [ 915.860082] [] ? trace_hardirqs_on+0x10/0x10 [ 915.860089] [] ? pagecache_get_page+0x131/0x710 [ 915.860097] [] filemap_fault+0xaf1/0x1110 [ 915.860107] [] ext4_filemap_fault+0x71/0xa0 [ 915.860114] [] __do_fault+0x223/0x500 [ 915.860122] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 915.860130] [] ? handle_mm_fault+0x1d4f/0x2350 [ 915.860137] [] handle_mm_fault+0x1326/0x2350 [ 915.860147] [] ? poll_select_set_timeout+0xb5/0x120 [ 915.860155] [] ? vm_insert_page+0x6f0/0x6f0 [ 915.860164] [] __do_page_fault+0x403/0xa60 [ 915.860173] [] ? __fget_light+0x169/0x1f0 [ 915.860181] [] ? bad_area_access_error+0x3a0/0x3a0 [ 915.860191] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 915.860199] [] do_page_fault+0x27/0x30 [ 915.860207] [] page_fault+0x25/0x30 [ 915.860211] Mem-Info: [ 915.860229] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 915.860229] active_file:0 inactive_file:41 isolated_file:0 [ 915.860229] unevictable:0 dirty:0 writeback:0 unstable:0 [ 915.860229] slab_reclaimable:4627 slab_unreclaimable:57010 [ 915.860229] mapped:5 shmem:48 pagetables:361 bounce:0 [ 915.860229] free:5991 free_pcp:108 free_cma:0 [ 915.860244] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 915.860263] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 915.860292] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 915.860351] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 915.860396] 0 pages in swap cache [ 915.860400] Swap cache stats: add 0, delete 0, find 0/0 [ 915.860402] Free swap = 0kB [ 915.860404] Total swap = 0kB [ 915.860407] 1965979 pages RAM [ 915.860409] 0 pages HighMem/MovableOnly [ 915.860411] 313617 pages reserved [ 915.939466] syz-execprog: page allocation stalls for 150020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 915.939476] CPU: 0 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 915.939492] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 915.939502] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 915.939513] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 915.939515] Call Trace: [ 915.939531] [] dump_stack+0xc1/0x128 [ 915.939540] [] warn_alloc.cold.31+0x7f/0x9c [ 915.939550] [] ? zone_watermark_ok_safe+0x250/0x250 [ 915.939559] [] ? shrink_node+0x740/0x740 [ 915.939568] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 915.939577] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 915.939586] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 915.939594] [] ? find_get_entry+0x11a/0x570 [ 915.939602] [] ? find_get_entry+0x141/0x570 [ 915.939609] [] ? page_cache_prev_hole+0x80/0x80 [ 915.939618] [] ? autoremove_wake_function+0x40/0x40 [ 915.939626] [] ? pagecache_get_page+0x131/0x710 [ 915.939634] [] filemap_fault+0xaf1/0x1110 [ 915.939643] [] ext4_filemap_fault+0x71/0xa0 [ 915.939651] [] __do_fault+0x223/0x500 [ 915.939658] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 915.939667] [] ? generic_file_readonly_mmap+0x190/0x190 [ 915.939675] [] handle_mm_fault+0x1326/0x2350 [ 915.939684] [] ? poll_select_set_timeout+0xb5/0x120 [ 915.939692] [] ? vm_insert_page+0x6f0/0x6f0 [ 915.939700] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 915.939710] [] __do_page_fault+0x403/0xa60 [ 915.939719] [] ? __fget_light+0x169/0x1f0 [ 915.939727] [] ? bad_area_access_error+0x3a0/0x3a0 [ 915.939737] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 915.939745] [] do_page_fault+0x27/0x30 [ 915.939754] [] page_fault+0x25/0x30 [ 915.939757] Mem-Info: [ 915.939776] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 915.939776] active_file:0 inactive_file:41 isolated_file:0 [ 915.939776] unevictable:0 dirty:0 writeback:0 unstable:0 [ 915.939776] slab_reclaimable:4627 slab_unreclaimable:57010 [ 915.939776] mapped:5 shmem:48 pagetables:361 bounce:0 [ 915.939776] free:5991 free_pcp:108 free_cma:0 [ 915.939790] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 915.939810] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 915.939839] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 915.939898] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 915.939944] 0 pages in swap cache [ 915.939948] Swap cache stats: add 0, delete 0, find 0/0 [ 915.939950] Free swap = 0kB [ 915.939953] Total swap = 0kB [ 915.939955] 1965979 pages RAM [ 915.939958] 0 pages HighMem/MovableOnly [ 915.939960] 313617 pages reserved [ 915.940505] syz-execprog: page allocation stalls for 150010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 915.940511] CPU: 0 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 915.940524] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 915.940535] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 915.940545] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 915.940547] Call Trace: [ 915.940557] [] dump_stack+0xc1/0x128 [ 915.940565] [] warn_alloc.cold.31+0x7f/0x9c [ 915.940574] [] ? zone_watermark_ok_safe+0x250/0x250 [ 915.940582] [] ? shrink_node+0x740/0x740 [ 915.940591] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 915.940599] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 915.940608] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 915.940615] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 915.940623] [] ? find_get_entry+0x11a/0x570 [ 915.940630] [] ? find_get_entry+0x141/0x570 [ 915.940638] [] ? page_cache_prev_hole+0x80/0x80 [ 915.940646] [] ? autoremove_wake_function+0x40/0x40 [ 915.940654] [] ? pagecache_get_page+0x131/0x710 [ 915.940661] [] filemap_fault+0xaf1/0x1110 [ 915.940670] [] ext4_filemap_fault+0x71/0xa0 [ 915.940677] [] __do_fault+0x223/0x500 [ 915.940684] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 915.940692] [] ? generic_file_readonly_mmap+0x190/0x190 [ 915.940700] [] handle_mm_fault+0x1326/0x2350 [ 915.940707] [] ? vm_insert_page+0x6f0/0x6f0 [ 915.940716] [] ? selinux_file_permission+0x82/0x470 [ 915.940726] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 915.940734] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 915.940742] [] __do_page_fault+0x403/0xa60 [ 915.940750] [] ? bad_area_access_error+0x3a0/0x3a0 [ 915.940759] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 915.940766] [] do_page_fault+0x27/0x30 [ 915.940774] [] page_fault+0x25/0x30 [ 915.940777] Mem-Info: [ 915.940794] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 915.940794] active_file:0 inactive_file:41 isolated_file:0 [ 915.940794] unevictable:0 dirty:0 writeback:0 unstable:0 [ 915.940794] slab_reclaimable:4627 slab_unreclaimable:57010 [ 915.940794] mapped:5 shmem:48 pagetables:361 bounce:0 [ 915.940794] free:5991 free_pcp:108 free_cma:0 [ 915.940807] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 915.940827] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 915.940855] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 915.940913] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 915.940957] 0 pages in swap cache [ 915.940961] Swap cache stats: add 0, delete 0, find 0/0 [ 915.940963] Free swap = 0kB [ 915.940965] Total swap = 0kB [ 915.940968] 1965979 pages RAM [ 915.940970] 0 pages HighMem/MovableOnly [ 915.940972] 313617 pages reserved [ 915.949317] blkid: page allocation stalls for 150040ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 915.949324] CPU: 1 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 915.949338] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 915.949348] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 915.949371] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 915.949372] Call Trace: [ 915.949382] [] dump_stack+0xc1/0x128 [ 915.949403] [] warn_alloc.cold.31+0x7f/0x9c [ 915.949411] [] ? zone_watermark_ok_safe+0x250/0x250 [ 915.949420] [] ? shrink_node+0x740/0x740 [ 915.949429] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 915.949437] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 915.949444] [] ? trace_hardirqs_on+0x10/0x10 [ 915.949452] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 915.949460] [] ? validate_mm+0x2f4/0x580 [ 915.949466] [] ? validate_mm+0x32e/0x580 [ 915.949474] [] __pmd_alloc+0x47/0x320 [ 915.949482] [] move_page_tables+0xa17/0xc70 [ 915.949499] [] shift_arg_pages+0x1a8/0x430 [ 915.949507] [] ? put_arg_page+0xd0/0xd0 [ 915.949515] [] ? setup_arg_pages+0x27f/0x7b0 [ 915.949523] [] setup_arg_pages+0x5fa/0x7b0 [ 915.949531] [] ? shift_arg_pages+0x430/0x430 [ 915.949553] [] load_elf_binary+0xaaa/0x4bc0 [ 915.949560] [] ? trace_hardirqs_on+0x10/0x10 [ 915.949579] [] ? audit_inode_permission+0x310/0x310 [ 915.949587] [] ? elf_core_dump+0x4330/0x4330 [ 915.949608] [] ? search_binary_handler+0xff/0x6f0 [ 915.949629] [] search_binary_handler+0x14f/0x6f0 [ 915.949637] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 915.949657] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 915.949665] [] ? prepare_bprm_creds+0x110/0x110 [ 915.949672] [] ? getname_flags+0x229/0x550 [ 915.949680] [] SyS_execve+0x42/0x50 [ 915.949688] [] ? setup_new_exec+0x830/0x830 [ 915.949694] [] do_syscall_64+0x19f/0x550 [ 915.949703] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 915.949706] Mem-Info: [ 915.949734] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 915.949734] active_file:0 inactive_file:41 isolated_file:0 [ 915.949734] unevictable:0 dirty:0 writeback:0 unstable:0 [ 915.949734] slab_reclaimable:4627 slab_unreclaimable:57010 [ 915.949734] mapped:5 shmem:48 pagetables:361 bounce:0 [ 915.949734] free:5991 free_pcp:108 free_cma:0 [ 915.949747] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 915.949765] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 915.949790] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 915.949857] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 915.949930] 0 pages in swap cache [ 915.949934] Swap cache stats: add 0, delete 0, find 0/0 [ 915.949936] Free swap = 0kB [ 915.949938] Total swap = 0kB [ 915.949940] 1965979 pages RAM [ 915.949942] 0 pages HighMem/MovableOnly [ 915.949944] 313617 pages reserved [ 916.319681] udevd: page allocation stalls for 150030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 916.319690] CPU: 1 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 916.319707] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 916.319718] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 916.319729] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 916.319731] Call Trace: [ 916.319746] [] dump_stack+0xc1/0x128 [ 916.319757] [] warn_alloc.cold.31+0x7f/0x9c [ 916.319767] [] ? zone_watermark_ok_safe+0x250/0x250 [ 916.319777] [] ? shrink_node+0x740/0x740 [ 916.319786] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 916.319795] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 916.319804] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 916.319813] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 916.319821] [] ? find_get_entry+0x11a/0x570 [ 916.319828] [] ? find_get_entry+0x141/0x570 [ 916.319836] [] ? page_cache_prev_hole+0x80/0x80 [ 916.319845] [] ? autoremove_wake_function+0x40/0x40 [ 916.319852] [] ? pagecache_get_page+0x131/0x710 [ 916.319860] [] filemap_fault+0xaf1/0x1110 [ 916.319870] [] ext4_filemap_fault+0x71/0xa0 [ 916.319877] [] __do_fault+0x223/0x500 [ 916.319884] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 916.319893] [] ? generic_file_readonly_mmap+0x190/0x190 [ 916.319901] [] handle_mm_fault+0x1326/0x2350 [ 916.319908] [] ? vm_insert_page+0x6f0/0x6f0 [ 916.319916] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 916.319934] [] __do_page_fault+0x403/0xa60 [ 916.319942] [] ? bad_area_access_error+0x3a0/0x3a0 [ 916.319952] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 916.319960] [] do_page_fault+0x27/0x30 [ 916.319969] [] page_fault+0x25/0x30 [ 916.319972] Mem-Info: [ 916.319991] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 916.319991] active_file:0 inactive_file:41 isolated_file:0 [ 916.319991] unevictable:0 dirty:0 writeback:0 unstable:0 [ 916.319991] slab_reclaimable:4627 slab_unreclaimable:57010 [ 916.319991] mapped:5 shmem:48 pagetables:361 bounce:0 [ 916.319991] free:5991 free_pcp:108 free_cma:0 [ 916.320006] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 916.320038] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 916.320091] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 916.320163] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 916.320210] 0 pages in swap cache [ 916.320214] Swap cache stats: add 0, delete 0, find 0/0 [ 916.320216] Free swap = 0kB [ 916.320219] Total swap = 0kB [ 916.320221] 1965979 pages RAM [ 916.320223] 0 pages HighMem/MovableOnly [ 916.320226] 313617 pages reserved [ 916.424621] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 916.424621] to free 108kB on behalf of 'syz-execprog' (2156) because [ 916.424621] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 916.424621] Free memory is -13540kB above reserved [ 916.424633] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 916.424633] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 916.424633] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 916.424633] Free memory is -13540kB above reserved [ 916.532058] syz-execprog: page allocation stalls for 150040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 916.532068] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 916.532085] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 916.532096] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 916.532106] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 916.532108] Call Trace: [ 916.532124] [] dump_stack+0xc1/0x128 [ 916.532134] [] warn_alloc.cold.31+0x7f/0x9c [ 916.532144] [] ? zone_watermark_ok_safe+0x250/0x250 [ 916.532153] [] ? shrink_node+0x740/0x740 [ 916.532162] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 916.532170] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 916.532180] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 916.532188] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 916.532196] [] ? find_get_entry+0x11a/0x570 [ 916.532204] [] ? find_get_entry+0x141/0x570 [ 916.532211] [] ? page_cache_prev_hole+0x80/0x80 [ 916.532220] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 916.532228] [] ? pagecache_get_page+0x131/0x710 [ 916.532236] [] filemap_fault+0xaf1/0x1110 [ 916.532245] [] ext4_filemap_fault+0x71/0xa0 [ 916.532253] [] __do_fault+0x223/0x500 [ 916.532273] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 916.532294] [] ? generic_file_readonly_mmap+0x190/0x190 [ 916.532301] [] handle_mm_fault+0x1326/0x2350 [ 916.532309] [] ? vm_insert_page+0x6f0/0x6f0 [ 916.532318] [] ? kvm_clock_read+0x23/0x40 [ 916.532326] [] ? kvm_clock_get_cycles+0x9/0x10 [ 916.532335] [] __do_page_fault+0x403/0xa60 [ 916.532343] [] ? bad_area_access_error+0x3a0/0x3a0 [ 916.532353] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 916.532361] [] do_page_fault+0x27/0x30 [ 916.532370] [] page_fault+0x25/0x30 [ 916.532374] Mem-Info: [ 916.532392] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 916.532392] active_file:0 inactive_file:41 isolated_file:0 [ 916.532392] unevictable:0 dirty:0 writeback:0 unstable:0 [ 916.532392] slab_reclaimable:4627 slab_unreclaimable:57010 [ 916.532392] mapped:5 shmem:48 pagetables:361 bounce:0 [ 916.532392] free:5991 free_pcp:108 free_cma:0 [ 916.532406] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 916.532434] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 916.532462] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 916.532522] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 916.532569] 0 pages in swap cache [ 916.532573] Swap cache stats: add 0, delete 0, find 0/0 [ 916.532575] Free swap = 0kB [ 916.532578] Total swap = 0kB [ 916.532580] 1965979 pages RAM [ 916.532582] 0 pages HighMem/MovableOnly [ 916.532585] 313617 pages reserved [ 916.622744] udevd: page allocation stalls for 90030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 916.622754] CPU: 1 PID: 588 Comm: udevd Not tainted 4.9.141+ #23 [ 916.622770] ffff8801cfd577c0 ffffffff81b42e79 1ffff10039faaefa ffff8801cfe697c0 [ 916.622781] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfd57908 [ 916.622792] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 916.622794] Call Trace: [ 916.622809] [] dump_stack+0xc1/0x128 [ 916.622820] [] warn_alloc.cold.31+0x7f/0x9c [ 916.622830] [] ? zone_watermark_ok_safe+0x250/0x250 [ 916.622839] [] ? shrink_node+0x740/0x740 [ 916.622849] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 916.622857] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 916.622866] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 916.622875] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 916.622883] [] ? find_get_entry+0x11a/0x570 [ 916.622891] [] ? find_get_entry+0x141/0x570 [ 916.622898] [] ? page_cache_prev_hole+0x80/0x80 [ 916.622906] [] ? pagecache_get_page+0x131/0x710 [ 916.622914] [] filemap_fault+0xaf1/0x1110 [ 916.622958] [] ext4_filemap_fault+0x71/0xa0 [ 916.622966] [] __do_fault+0x223/0x500 [ 916.622973] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 916.622982] [] ? generic_file_readonly_mmap+0x190/0x190 [ 916.622990] [] handle_mm_fault+0x1326/0x2350 [ 916.623006] [] ? ep_poll+0x18f/0xb20 [ 916.623014] [] ? vm_insert_page+0x6f0/0x6f0 [ 916.623022] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 916.623032] [] __do_page_fault+0x403/0xa60 [ 916.623040] [] ? __fget_light+0x169/0x1f0 [ 916.623049] [] ? bad_area_access_error+0x3a0/0x3a0 [ 916.623064] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 916.623085] [] do_page_fault+0x27/0x30 [ 916.623093] [] page_fault+0x25/0x30 [ 916.623097] Mem-Info: [ 916.623115] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 916.623115] active_file:0 inactive_file:41 isolated_file:0 [ 916.623115] unevictable:0 dirty:0 writeback:0 unstable:0 [ 916.623115] slab_reclaimable:4627 slab_unreclaimable:57010 [ 916.623115] mapped:5 shmem:48 pagetables:361 bounce:0 [ 916.623115] free:5991 free_pcp:108 free_cma:0 [ 916.623128] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 916.623171] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 916.623198] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 916.623269] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 916.623316] 0 pages in swap cache [ 916.623321] Swap cache stats: add 0, delete 0, find 0/0 [ 916.623323] Free swap = 0kB [ 916.623325] Total swap = 0kB [ 916.623328] 1965979 pages RAM [ 916.623330] 0 pages HighMem/MovableOnly [ 916.623332] 313617 pages reserved [ 917.434639] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 917.434639] to free 108kB on behalf of 'init' (1) because [ 917.434639] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 917.434639] Free memory is -13540kB above reserved [ 917.434654] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 917.434654] to free 108kB on behalf of 'syz-execprog' (2163) because [ 917.434654] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 917.434654] Free memory is -13540kB above reserved [ 918.455751] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 918.455751] to free 108kB on behalf of 'cron' (1948) because [ 918.455751] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 918.455751] Free memory is -13540kB above reserved [ 919.349773] init: page allocation stalls for 150030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 919.349782] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 919.349799] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 919.349810] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 919.349820] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 919.349822] Call Trace: [ 919.349838] [] dump_stack+0xc1/0x128 [ 919.349848] [] warn_alloc.cold.31+0x7f/0x9c [ 919.349858] [] ? zone_watermark_ok_safe+0x250/0x250 [ 919.349868] [] ? shrink_node+0x740/0x740 [ 919.349877] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 919.349886] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 919.349895] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 919.349904] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 919.349912] [] ? find_get_entry+0x11a/0x570 [ 919.349926] [] ? find_get_entry+0x141/0x570 [ 919.349934] [] ? page_cache_prev_hole+0x80/0x80 [ 919.349942] [] ? pagecache_get_page+0x131/0x710 [ 919.349950] [] filemap_fault+0xaf1/0x1110 [ 919.349959] [] ext4_filemap_fault+0x71/0xa0 [ 919.349967] [] __do_fault+0x223/0x500 [ 919.349974] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 919.349982] [] ? generic_file_readonly_mmap+0x190/0x190 [ 919.349990] [] handle_mm_fault+0x1326/0x2350 [ 919.349998] [] ? vm_insert_page+0x6f0/0x6f0 [ 919.350008] [] ? kvm_clock_get_cycles+0x9/0x10 [ 919.350017] [] __do_page_fault+0x403/0xa60 [ 919.350025] [] ? bad_area_access_error+0x3a0/0x3a0 [ 919.350036] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 919.350043] [] do_page_fault+0x27/0x30 [ 919.350052] [] page_fault+0x25/0x30 [ 919.350056] Mem-Info: [ 919.350074] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 919.350074] active_file:0 inactive_file:41 isolated_file:0 [ 919.350074] unevictable:0 dirty:0 writeback:0 unstable:0 [ 919.350074] slab_reclaimable:4627 slab_unreclaimable:57010 [ 919.350074] mapped:5 shmem:48 pagetables:361 bounce:0 [ 919.350074] free:5991 free_pcp:108 free_cma:0 [ 919.350089] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 919.350109] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 919.350138] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 919.350198] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 919.350245] 0 pages in swap cache [ 919.350249] Swap cache stats: add 0, delete 0, find 0/0 [ 919.350251] Free swap = 0kB [ 919.350254] Total swap = 0kB [ 919.350256] 1965979 pages RAM [ 919.350258] 0 pages HighMem/MovableOnly [ 919.350261] 313617 pages reserved [ 919.464619] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 919.464619] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 919.464619] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 919.464619] Free memory is -13540kB above reserved [ 920.474726] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 920.474726] to free 108kB on behalf of 'init' (1) because [ 920.474726] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 920.474726] Free memory is -13540kB above reserved [ 921.484600] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 921.484600] to free 108kB on behalf of 'init' (1) because [ 921.484600] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 921.484600] Free memory is -13540kB above reserved [ 922.494617] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 922.494617] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 922.494617] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 922.494617] Free memory is -13540kB above reserved [ 922.494629] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 922.494629] to free 108kB on behalf of 'blkid' (2353) because [ 922.494629] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 922.494629] Free memory is -13540kB above reserved [ 923.512916] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 923.512916] to free 108kB on behalf of 'blkid' (2353) because [ 923.512916] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 923.512916] Free memory is -13540kB above reserved [ 923.512960] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 923.512960] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 923.512960] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 923.512960] Free memory is -13540kB above reserved [ 924.515315] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 924.515315] to free 108kB on behalf of 'init' (1) because [ 924.515315] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 924.515315] Free memory is -13540kB above reserved [ 924.515327] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 924.515327] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 924.515327] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 924.515327] Free memory is -13540kB above reserved [ 925.190211] cron: page allocation stalls for 140030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 925.190219] CPU: 0 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 925.190236] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 925.190247] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 925.190257] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 925.190259] Call Trace: [ 925.190275] [] dump_stack+0xc1/0x128 [ 925.190285] [] warn_alloc.cold.31+0x7f/0x9c [ 925.190295] [] ? zone_watermark_ok_safe+0x250/0x250 [ 925.190304] [] ? shrink_node+0x740/0x740 [ 925.190314] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 925.190322] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 925.190331] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 925.190340] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 925.190348] [] ? find_get_entry+0x11a/0x570 [ 925.190355] [] ? find_get_entry+0x141/0x570 [ 925.190363] [] ? page_cache_prev_hole+0x80/0x80 [ 925.190370] [] ? pagecache_get_page+0x131/0x710 [ 925.190379] [] filemap_fault+0xaf1/0x1110 [ 925.190388] [] ext4_filemap_fault+0x71/0xa0 [ 925.190395] [] __do_fault+0x223/0x500 [ 925.190403] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 925.190411] [] ? generic_file_readonly_mmap+0x190/0x190 [ 925.190426] [] handle_mm_fault+0x1326/0x2350 [ 925.190434] [] ? vm_insert_page+0x6f0/0x6f0 [ 925.190443] [] ? hrtimer_nanosleep+0x38c/0x550 [ 925.190453] [] __do_page_fault+0x403/0xa60 [ 925.190461] [] ? bad_area_access_error+0x3a0/0x3a0 [ 925.190470] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 925.190478] [] do_page_fault+0x27/0x30 [ 925.190487] [] page_fault+0x25/0x30 [ 925.190491] Mem-Info: [ 925.190509] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 925.190509] active_file:0 inactive_file:41 isolated_file:0 [ 925.190509] unevictable:0 dirty:0 writeback:0 unstable:0 [ 925.190509] slab_reclaimable:4627 slab_unreclaimable:57010 [ 925.190509] mapped:5 shmem:48 pagetables:361 bounce:0 [ 925.190509] free:5991 free_pcp:108 free_cma:0 [ 925.190523] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 925.190543] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 925.190572] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 925.190631] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 925.190678] 0 pages in swap cache [ 925.190682] Swap cache stats: add 0, delete 0, find 0/0 [ 925.190684] Free swap = 0kB [ 925.190686] Total swap = 0kB [ 925.190689] 1965979 pages RAM [ 925.190691] 0 pages HighMem/MovableOnly [ 925.190693] 313617 pages reserved [ 925.524605] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 925.524605] to free 108kB on behalf of 'syz-execprog' (2163) because [ 925.524605] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 925.524605] Free memory is -13540kB above reserved [ 925.524618] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 925.524618] to free 108kB on behalf of 'syz-execprog' (2171) because [ 925.524618] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 925.524618] Free memory is -13540kB above reserved [ 925.900328] syz-execprog: page allocation stalls for 160050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 925.900337] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 925.900364] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 925.900374] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 925.900384] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 925.900386] Call Trace: [ 925.900402] [] dump_stack+0xc1/0x128 [ 925.900412] [] warn_alloc.cold.31+0x7f/0x9c [ 925.900421] [] ? zone_watermark_ok_safe+0x250/0x250 [ 925.900430] [] ? shrink_node+0x740/0x740 [ 925.900439] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 925.900448] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 925.900458] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 925.900466] [] ? check_preemption_disabled+0x3b/0x200 [ 925.900474] [] ? find_get_entry+0x11a/0x570 [ 925.900481] [] ? find_get_entry+0x141/0x570 [ 925.900488] [] ? page_cache_prev_hole+0x80/0x80 [ 925.900495] [] ? trace_hardirqs_on+0x10/0x10 [ 925.900502] [] ? pagecache_get_page+0x131/0x710 [ 925.900510] [] filemap_fault+0xaf1/0x1110 [ 925.900519] [] ext4_filemap_fault+0x71/0xa0 [ 925.900526] [] __do_fault+0x223/0x500 [ 925.900533] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 925.900541] [] ? handle_mm_fault+0x1d4f/0x2350 [ 925.900548] [] handle_mm_fault+0x1326/0x2350 [ 925.900557] [] ? poll_select_set_timeout+0xb5/0x120 [ 925.900564] [] ? vm_insert_page+0x6f0/0x6f0 [ 925.900573] [] __do_page_fault+0x403/0xa60 [ 925.900581] [] ? __fget_light+0x169/0x1f0 [ 925.900588] [] ? bad_area_access_error+0x3a0/0x3a0 [ 925.900597] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 925.900605] [] do_page_fault+0x27/0x30 [ 925.900612] [] page_fault+0x25/0x30 [ 925.900616] Mem-Info: [ 925.900633] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 925.900633] active_file:0 inactive_file:41 isolated_file:0 [ 925.900633] unevictable:0 dirty:0 writeback:0 unstable:0 [ 925.900633] slab_reclaimable:4627 slab_unreclaimable:57010 [ 925.900633] mapped:5 shmem:48 pagetables:361 bounce:0 [ 925.900633] free:5991 free_pcp:108 free_cma:0 [ 925.900647] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 925.900666] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 925.900692] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 925.900748] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 925.900792] 0 pages in swap cache [ 925.900796] Swap cache stats: add 0, delete 0, find 0/0 [ 925.900798] Free swap = 0kB [ 925.900800] Total swap = 0kB [ 925.900802] 1965979 pages RAM [ 925.900804] 0 pages HighMem/MovableOnly [ 925.900807] 313617 pages reserved [ 925.939651] syz-execprog: page allocation stalls for 160020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 925.939659] CPU: 1 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 925.939674] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 925.939686] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 925.939696] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 925.939698] Call Trace: [ 925.939712] [] dump_stack+0xc1/0x128 [ 925.939722] [] warn_alloc.cold.31+0x7f/0x9c [ 925.939733] [] ? zone_watermark_ok_safe+0x250/0x250 [ 925.939743] [] ? shrink_node+0x740/0x740 [ 925.939752] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 925.939762] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 925.939770] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 925.939778] [] ? find_get_entry+0x11a/0x570 [ 925.939786] [] ? find_get_entry+0x141/0x570 [ 925.939793] [] ? page_cache_prev_hole+0x80/0x80 [ 925.939803] [] ? autoremove_wake_function+0x40/0x40 [ 925.939811] [] ? pagecache_get_page+0x131/0x710 [ 925.939819] [] filemap_fault+0xaf1/0x1110 [ 925.939829] [] ext4_filemap_fault+0x71/0xa0 [ 925.939836] [] __do_fault+0x223/0x500 [ 925.939844] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 925.939852] [] ? generic_file_readonly_mmap+0x190/0x190 [ 925.939860] [] handle_mm_fault+0x1326/0x2350 [ 925.939869] [] ? poll_select_set_timeout+0xb5/0x120 [ 925.939876] [] ? vm_insert_page+0x6f0/0x6f0 [ 925.939885] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 925.939895] [] __do_page_fault+0x403/0xa60 [ 925.939903] [] ? __fget_light+0x169/0x1f0 [ 925.939911] [] ? bad_area_access_error+0x3a0/0x3a0 [ 925.939930] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 925.939938] [] do_page_fault+0x27/0x30 [ 925.939947] [] page_fault+0x25/0x30 [ 925.939951] Mem-Info: [ 925.939968] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 925.939968] active_file:0 inactive_file:41 isolated_file:0 [ 925.939968] unevictable:0 dirty:0 writeback:0 unstable:0 [ 925.939968] slab_reclaimable:4627 slab_unreclaimable:57010 [ 925.939968] mapped:5 shmem:48 pagetables:361 bounce:0 [ 925.939968] free:5991 free_pcp:108 free_cma:0 [ 925.939982] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 925.940002] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 925.940031] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 925.940090] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 925.940137] 0 pages in swap cache [ 925.940141] Swap cache stats: add 0, delete 0, find 0/0 [ 925.940144] Free swap = 0kB [ 925.940146] Total swap = 0kB [ 925.940148] 1965979 pages RAM [ 925.940151] 0 pages HighMem/MovableOnly [ 925.940153] 313617 pages reserved [ 925.968490] blkid: page allocation stalls for 160060ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 925.968499] CPU: 0 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 925.968514] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 925.968525] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 925.968536] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 925.968538] Call Trace: [ 925.968551] [] dump_stack+0xc1/0x128 [ 925.968560] [] warn_alloc.cold.31+0x7f/0x9c [ 925.968569] [] ? zone_watermark_ok_safe+0x250/0x250 [ 925.968579] [] ? shrink_node+0x740/0x740 [ 925.968588] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 925.968598] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 925.968606] [] ? trace_hardirqs_on+0x10/0x10 [ 925.968614] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 925.968622] [] ? validate_mm+0x2f4/0x580 [ 925.968630] [] ? validate_mm+0x32e/0x580 [ 925.968638] [] __pmd_alloc+0x47/0x320 [ 925.968646] [] move_page_tables+0xa17/0xc70 [ 925.968657] [] shift_arg_pages+0x1a8/0x430 [ 925.968665] [] ? put_arg_page+0xd0/0xd0 [ 925.968673] [] ? setup_arg_pages+0x27f/0x7b0 [ 925.968682] [] setup_arg_pages+0x5fa/0x7b0 [ 925.968690] [] ? shift_arg_pages+0x430/0x430 [ 925.968700] [] load_elf_binary+0xaaa/0x4bc0 [ 925.968707] [] ? trace_hardirqs_on+0x10/0x10 [ 925.968716] [] ? audit_inode_permission+0x310/0x310 [ 925.968724] [] ? elf_core_dump+0x4330/0x4330 [ 925.968733] [] ? search_binary_handler+0xff/0x6f0 [ 925.968742] [] search_binary_handler+0x14f/0x6f0 [ 925.968751] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 925.968760] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 925.968769] [] ? prepare_bprm_creds+0x110/0x110 [ 925.968777] [] ? getname_flags+0x229/0x550 [ 925.968785] [] SyS_execve+0x42/0x50 [ 925.968793] [] ? setup_new_exec+0x830/0x830 [ 925.968801] [] do_syscall_64+0x19f/0x550 [ 925.968811] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 925.968814] Mem-Info: [ 925.968832] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 925.968832] active_file:0 inactive_file:41 isolated_file:0 [ 925.968832] unevictable:0 dirty:0 writeback:0 unstable:0 [ 925.968832] slab_reclaimable:4627 slab_unreclaimable:57010 [ 925.968832] mapped:5 shmem:48 pagetables:361 bounce:0 [ 925.968832] free:5991 free_pcp:108 free_cma:0 [ 925.968846] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 925.968865] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 925.968892] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 925.968948] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 925.968993] 0 pages in swap cache [ 925.968997] Swap cache stats: add 0, delete 0, find 0/0 [ 925.968999] Free swap = 0kB [ 925.969001] Total swap = 0kB [ 925.969004] 1965979 pages RAM [ 925.969006] 0 pages HighMem/MovableOnly [ 925.969008] 313617 pages reserved [ 925.989254] syz-execprog: page allocation stalls for 160060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 925.989263] CPU: 1 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 925.989278] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 925.989289] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 925.989300] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 925.989301] Call Trace: [ 925.989314] [] dump_stack+0xc1/0x128 [ 925.989323] [] warn_alloc.cold.31+0x7f/0x9c [ 925.989332] [] ? zone_watermark_ok_safe+0x250/0x250 [ 925.989340] [] ? shrink_node+0x740/0x740 [ 925.989349] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 925.989357] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 925.989366] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 925.989375] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 925.989383] [] ? find_get_entry+0x11a/0x570 [ 925.989391] [] ? find_get_entry+0x141/0x570 [ 925.989398] [] ? page_cache_prev_hole+0x80/0x80 [ 925.989407] [] ? autoremove_wake_function+0x40/0x40 [ 925.989415] [] ? pagecache_get_page+0x131/0x710 [ 925.989422] [] filemap_fault+0xaf1/0x1110 [ 925.989431] [] ext4_filemap_fault+0x71/0xa0 [ 925.989438] [] __do_fault+0x223/0x500 [ 925.989446] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 925.989454] [] ? generic_file_readonly_mmap+0x190/0x190 [ 925.989461] [] handle_mm_fault+0x1326/0x2350 [ 925.989469] [] ? vm_insert_page+0x6f0/0x6f0 [ 925.989478] [] ? selinux_file_permission+0x82/0x470 [ 925.989488] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 925.989495] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 925.989504] [] __do_page_fault+0x403/0xa60 [ 925.989512] [] ? bad_area_access_error+0x3a0/0x3a0 [ 925.989522] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 925.989529] [] do_page_fault+0x27/0x30 [ 925.989538] [] page_fault+0x25/0x30 [ 925.989541] Mem-Info: [ 925.989558] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 925.989558] active_file:0 inactive_file:41 isolated_file:0 [ 925.989558] unevictable:0 dirty:0 writeback:0 unstable:0 [ 925.989558] slab_reclaimable:4627 slab_unreclaimable:57010 [ 925.989558] mapped:5 shmem:48 pagetables:361 bounce:0 [ 925.989558] free:5991 free_pcp:108 free_cma:0 [ 925.989572] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 925.989591] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 925.989619] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 925.989678] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 925.989725] 0 pages in swap cache [ 925.989729] Swap cache stats: add 0, delete 0, find 0/0 [ 925.989732] Free swap = 0kB [ 925.989734] Total swap = 0kB [ 925.989736] 1965979 pages RAM [ 925.989738] 0 pages HighMem/MovableOnly [ 925.989741] 313617 pages reserved [ 926.309623] udevd: page allocation stalls for 160020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 926.309632] CPU: 0 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 926.309648] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 926.309659] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 926.309669] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 926.309671] Call Trace: [ 926.309687] [] dump_stack+0xc1/0x128 [ 926.309697] [] warn_alloc.cold.31+0x7f/0x9c [ 926.309707] [] ? zone_watermark_ok_safe+0x250/0x250 [ 926.309716] [] ? shrink_node+0x740/0x740 [ 926.309725] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 926.309734] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 926.309744] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 926.309753] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 926.309760] [] ? find_get_entry+0x11a/0x570 [ 926.309768] [] ? find_get_entry+0x141/0x570 [ 926.309775] [] ? page_cache_prev_hole+0x80/0x80 [ 926.309784] [] ? autoremove_wake_function+0x40/0x40 [ 926.309792] [] ? pagecache_get_page+0x131/0x710 [ 926.309800] [] filemap_fault+0xaf1/0x1110 [ 926.309810] [] ext4_filemap_fault+0x71/0xa0 [ 926.309817] [] __do_fault+0x223/0x500 [ 926.309825] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 926.309833] [] ? generic_file_readonly_mmap+0x190/0x190 [ 926.309841] [] handle_mm_fault+0x1326/0x2350 [ 926.309849] [] ? vm_insert_page+0x6f0/0x6f0 [ 926.309857] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 926.309867] [] __do_page_fault+0x403/0xa60 [ 926.309875] [] ? bad_area_access_error+0x3a0/0x3a0 [ 926.309885] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 926.309892] [] do_page_fault+0x27/0x30 [ 926.309901] [] page_fault+0x25/0x30 [ 926.309905] Mem-Info: [ 926.309922] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 926.309922] active_file:0 inactive_file:41 isolated_file:0 [ 926.309922] unevictable:0 dirty:0 writeback:0 unstable:0 [ 926.309922] slab_reclaimable:4627 slab_unreclaimable:57010 [ 926.309922] mapped:5 shmem:48 pagetables:361 bounce:0 [ 926.309922] free:5991 free_pcp:108 free_cma:0 [ 926.309937] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 926.309956] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 926.309985] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 926.310044] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 926.310091] 0 pages in swap cache [ 926.310095] Swap cache stats: add 0, delete 0, find 0/0 [ 926.310098] Free swap = 0kB [ 926.310100] Total swap = 0kB [ 926.310103] 1965979 pages RAM [ 926.310105] 0 pages HighMem/MovableOnly [ 926.310107] 313617 pages reserved [ 926.534592] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 926.534592] to free 108kB on behalf of 'init' (1) because [ 926.534592] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 926.534592] Free memory is -13540kB above reserved [ 926.569818] syz-execprog: page allocation stalls for 160080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 926.569840] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 926.569870] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 926.569881] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 926.569891] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 926.569893] Call Trace: [ 926.569909] [] dump_stack+0xc1/0x128 [ 926.569926] [] warn_alloc.cold.31+0x7f/0x9c [ 926.569936] [] ? zone_watermark_ok_safe+0x250/0x250 [ 926.569945] [] ? shrink_node+0x740/0x740 [ 926.569967] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 926.569976] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 926.569985] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 926.569993] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 926.570001] [] ? find_get_entry+0x11a/0x570 [ 926.570008] [] ? find_get_entry+0x141/0x570 [ 926.570015] [] ? page_cache_prev_hole+0x80/0x80 [ 926.570025] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 926.570032] [] ? pagecache_get_page+0x131/0x710 [ 926.570040] [] filemap_fault+0xaf1/0x1110 [ 926.570049] [] ext4_filemap_fault+0x71/0xa0 [ 926.570056] [] __do_fault+0x223/0x500 [ 926.570063] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 926.570071] [] ? generic_file_readonly_mmap+0x190/0x190 [ 926.570079] [] handle_mm_fault+0x1326/0x2350 [ 926.570086] [] ? vm_insert_page+0x6f0/0x6f0 [ 926.570108] [] ? kvm_clock_read+0x23/0x40 [ 926.570115] [] ? kvm_clock_get_cycles+0x9/0x10 [ 926.570125] [] __do_page_fault+0x403/0xa60 [ 926.570133] [] ? bad_area_access_error+0x3a0/0x3a0 [ 926.570143] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 926.570151] [] do_page_fault+0x27/0x30 [ 926.570160] [] page_fault+0x25/0x30 [ 926.570163] Mem-Info: [ 926.570182] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 926.570182] active_file:0 inactive_file:41 isolated_file:0 [ 926.570182] unevictable:0 dirty:0 writeback:0 unstable:0 [ 926.570182] slab_reclaimable:4627 slab_unreclaimable:57010 [ 926.570182] mapped:5 shmem:48 pagetables:361 bounce:0 [ 926.570182] free:5991 free_pcp:108 free_cma:0 [ 926.570196] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 926.570216] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 926.570245] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 926.570304] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 926.570351] 0 pages in swap cache [ 926.570356] Swap cache stats: add 0, delete 0, find 0/0 [ 926.570358] Free swap = 0kB [ 926.570360] Total swap = 0kB [ 926.570363] 1965979 pages RAM [ 926.570365] 0 pages HighMem/MovableOnly [ 926.570367] 313617 pages reserved [ 926.597950] udevd: page allocation stalls for 100010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 926.597958] CPU: 1 PID: 588 Comm: udevd Not tainted 4.9.141+ #23 [ 926.597974] ffff8801cfd577c0 ffffffff81b42e79 1ffff10039faaefa ffff8801cfe697c0 [ 926.597985] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfd57908 [ 926.597995] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 926.597997] Call Trace: [ 926.598011] [] dump_stack+0xc1/0x128 [ 926.598020] [] warn_alloc.cold.31+0x7f/0x9c [ 926.598029] [] ? zone_watermark_ok_safe+0x250/0x250 [ 926.598038] [] ? shrink_node+0x740/0x740 [ 926.598048] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 926.598056] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 926.598065] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 926.598074] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 926.598082] [] ? find_get_entry+0x11a/0x570 [ 926.598089] [] ? find_get_entry+0x141/0x570 [ 926.598097] [] ? page_cache_prev_hole+0x80/0x80 [ 926.598105] [] ? pagecache_get_page+0x131/0x710 [ 926.598113] [] filemap_fault+0xaf1/0x1110 [ 926.598122] [] ext4_filemap_fault+0x71/0xa0 [ 926.598129] [] __do_fault+0x223/0x500 [ 926.598136] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 926.598145] [] ? generic_file_readonly_mmap+0x190/0x190 [ 926.598153] [] handle_mm_fault+0x1326/0x2350 [ 926.598161] [] ? ep_poll+0x18f/0xb20 [ 926.598169] [] ? vm_insert_page+0x6f0/0x6f0 [ 926.598177] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 926.598186] [] __do_page_fault+0x403/0xa60 [ 926.598195] [] ? __fget_light+0x169/0x1f0 [ 926.598203] [] ? bad_area_access_error+0x3a0/0x3a0 [ 926.598213] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 926.598220] [] do_page_fault+0x27/0x30 [ 926.598229] [] page_fault+0x25/0x30 [ 926.598232] Mem-Info: [ 926.598250] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 926.598250] active_file:0 inactive_file:41 isolated_file:0 [ 926.598250] unevictable:0 dirty:0 writeback:0 unstable:0 [ 926.598250] slab_reclaimable:4627 slab_unreclaimable:57010 [ 926.598250] mapped:5 shmem:48 pagetables:361 bounce:0 [ 926.598250] free:5991 free_pcp:108 free_cma:0 [ 926.598264] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 926.598283] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 926.598312] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 926.598371] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 926.598418] 0 pages in swap cache [ 926.598421] Swap cache stats: add 0, delete 0, find 0/0 [ 926.598423] Free swap = 0kB [ 926.598425] Total swap = 0kB [ 926.598427] 1965979 pages RAM [ 926.598429] 0 pages HighMem/MovableOnly [ 926.598432] 313617 pages reserved [ 927.547653] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 927.547653] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 927.547653] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 927.547653] Free memory is -13540kB above reserved [ 928.554616] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 928.554616] to free 108kB on behalf of 'init' (1) because [ 928.554616] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 928.554616] Free memory is -13540kB above reserved [ 929.348627] init: page allocation stalls for 160030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 929.348636] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 929.348652] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 929.348663] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 929.348674] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 929.348676] Call Trace: [ 929.348692] [] dump_stack+0xc1/0x128 [ 929.348703] [] warn_alloc.cold.31+0x7f/0x9c [ 929.348713] [] ? zone_watermark_ok_safe+0x250/0x250 [ 929.348723] [] ? shrink_node+0x740/0x740 [ 929.348732] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 929.348741] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 929.348750] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 929.348759] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 929.348766] [] ? find_get_entry+0x11a/0x570 [ 929.348774] [] ? find_get_entry+0x141/0x570 [ 929.348794] [] ? page_cache_prev_hole+0x80/0x80 [ 929.348802] [] ? pagecache_get_page+0x131/0x710 [ 929.348809] [] filemap_fault+0xaf1/0x1110 [ 929.348818] [] ext4_filemap_fault+0x71/0xa0 [ 929.348825] [] __do_fault+0x223/0x500 [ 929.348844] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 929.348864] [] ? generic_file_readonly_mmap+0x190/0x190 [ 929.348877] [] handle_mm_fault+0x1326/0x2350 [ 929.348884] [] ? vm_insert_page+0x6f0/0x6f0 [ 929.348893] [] ? kvm_clock_get_cycles+0x9/0x10 [ 929.348913] [] __do_page_fault+0x403/0xa60 [ 929.348932] [] ? bad_area_access_error+0x3a0/0x3a0 [ 929.348941] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 929.348948] [] do_page_fault+0x27/0x30 [ 929.348970] [] page_fault+0x25/0x30 [ 929.348973] Mem-Info: [ 929.348991] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 929.348991] active_file:0 inactive_file:41 isolated_file:0 [ 929.348991] unevictable:0 dirty:0 writeback:0 unstable:0 [ 929.348991] slab_reclaimable:4627 slab_unreclaimable:57010 [ 929.348991] mapped:5 shmem:48 pagetables:361 bounce:0 [ 929.348991] free:5991 free_pcp:108 free_cma:0 [ 929.349004] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 929.349023] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 929.349074] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 929.349133] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 929.349179] 0 pages in swap cache [ 929.349184] Swap cache stats: add 0, delete 0, find 0/0 [ 929.349186] Free swap = 0kB [ 929.349188] Total swap = 0kB [ 929.349191] 1965979 pages RAM [ 929.349193] 0 pages HighMem/MovableOnly [ 929.349196] 313617 pages reserved [ 929.564628] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 929.564628] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 929.564628] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 929.564628] Free memory is -13540kB above reserved [ 929.564640] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 929.564640] to free 108kB on behalf of 'syz-execprog' (2163) because [ 929.564640] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 929.564640] Free memory is -13540kB above reserved [ 930.574627] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 930.574627] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 930.574627] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 930.574627] Free memory is -13540kB above reserved [ 930.574639] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 930.574639] to free 108kB on behalf of 'syz-execprog' (2160) because [ 930.574639] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 930.574639] Free memory is -13540kB above reserved [ 931.584587] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 931.584587] to free 108kB on behalf of 'udevd' (588) because [ 931.584587] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 931.584587] Free memory is -13540kB above reserved [ 931.584599] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 931.584599] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 931.584599] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 931.584599] Free memory is -13540kB above reserved [ 932.594619] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 932.594619] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 932.594619] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 932.594619] Free memory is -13540kB above reserved [ 932.594640] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 932.594640] to free 108kB on behalf of 'syz-execprog' (2160) because [ 932.594640] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 932.594640] Free memory is -13540kB above reserved [ 933.604627] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 933.604627] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 933.604627] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 933.604627] Free memory is -13540kB above reserved [ 934.614571] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 934.614571] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 934.614571] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 934.614571] Free memory is -13540kB above reserved [ 934.614582] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 934.614582] to free 108kB on behalf of 'udevd' (589) because [ 934.614582] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 934.614582] Free memory is -13540kB above reserved [ 935.164887] cron: page allocation stalls for 150010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 935.164896] CPU: 1 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 935.164912] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 935.164932] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 935.164943] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 935.164945] Call Trace: [ 935.164960] [] dump_stack+0xc1/0x128 [ 935.164971] [] warn_alloc.cold.31+0x7f/0x9c [ 935.164981] [] ? zone_watermark_ok_safe+0x250/0x250 [ 935.164989] [] ? shrink_node+0x740/0x740 [ 935.164999] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 935.165008] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 935.165017] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 935.165026] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 935.165034] [] ? find_get_entry+0x11a/0x570 [ 935.165041] [] ? find_get_entry+0x141/0x570 [ 935.165049] [] ? page_cache_prev_hole+0x80/0x80 [ 935.165056] [] ? pagecache_get_page+0x131/0x710 [ 935.165064] [] filemap_fault+0xaf1/0x1110 [ 935.165074] [] ext4_filemap_fault+0x71/0xa0 [ 935.165081] [] __do_fault+0x223/0x500 [ 935.165088] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 935.165097] [] ? generic_file_readonly_mmap+0x190/0x190 [ 935.165104] [] handle_mm_fault+0x1326/0x2350 [ 935.165110] [] ? vm_insert_page+0x6f0/0x6f0 [ 935.165118] [] ? hrtimer_nanosleep+0x38c/0x550 [ 935.165129] [] __do_page_fault+0x403/0xa60 [ 935.165135] [] ? bad_area_access_error+0x3a0/0x3a0 [ 935.165144] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 935.165151] [] do_page_fault+0x27/0x30 [ 935.165159] [] page_fault+0x25/0x30 [ 935.165163] Mem-Info: [ 935.165180] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 935.165180] active_file:0 inactive_file:41 isolated_file:0 [ 935.165180] unevictable:0 dirty:0 writeback:0 unstable:0 [ 935.165180] slab_reclaimable:4627 slab_unreclaimable:57010 [ 935.165180] mapped:5 shmem:48 pagetables:361 bounce:0 [ 935.165180] free:5991 free_pcp:108 free_cma:0 [ 935.165194] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 935.165213] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 935.165239] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 935.165297] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 935.165341] 0 pages in swap cache [ 935.165345] Swap cache stats: add 0, delete 0, find 0/0 [ 935.165347] Free swap = 0kB [ 935.165349] Total swap = 0kB [ 935.165351] 1965979 pages RAM [ 935.165353] 0 pages HighMem/MovableOnly [ 935.165355] 313617 pages reserved [ 935.629549] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 935.629549] to free 108kB on behalf of 'init' (1) because [ 935.629549] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 935.629549] Free memory is -13540kB above reserved [ 935.887656] syz-execprog: page allocation stalls for 170010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 935.887665] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 935.887682] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 935.887692] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 935.887702] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 935.887704] Call Trace: [ 935.887719] [] dump_stack+0xc1/0x128 [ 935.887730] [] warn_alloc.cold.31+0x7f/0x9c [ 935.887739] [] ? zone_watermark_ok_safe+0x250/0x250 [ 935.887748] [] ? shrink_node+0x740/0x740 [ 935.887758] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 935.887766] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 935.887775] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 935.887784] [] ? check_preemption_disabled+0x3b/0x200 [ 935.887791] [] ? find_get_entry+0x11a/0x570 [ 935.887800] [] ? find_get_entry+0x141/0x570 [ 935.887807] [] ? page_cache_prev_hole+0x80/0x80 [ 935.887815] [] ? trace_hardirqs_on+0x10/0x10 [ 935.887822] [] ? pagecache_get_page+0x131/0x710 [ 935.887829] [] filemap_fault+0xaf1/0x1110 [ 935.887838] [] ext4_filemap_fault+0x71/0xa0 [ 935.887845] [] __do_fault+0x223/0x500 [ 935.887852] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 935.887860] [] ? handle_mm_fault+0x1d4f/0x2350 [ 935.887868] [] handle_mm_fault+0x1326/0x2350 [ 935.887877] [] ? poll_select_set_timeout+0xb5/0x120 [ 935.887884] [] ? vm_insert_page+0x6f0/0x6f0 [ 935.887893] [] __do_page_fault+0x403/0xa60 [ 935.887900] [] ? __fget_light+0x169/0x1f0 [ 935.887908] [] ? bad_area_access_error+0x3a0/0x3a0 [ 935.887917] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 935.887931] [] do_page_fault+0x27/0x30 [ 935.887940] [] page_fault+0x25/0x30 [ 935.887943] Mem-Info: [ 935.887961] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 935.887961] active_file:0 inactive_file:41 isolated_file:0 [ 935.887961] unevictable:0 dirty:0 writeback:0 unstable:0 [ 935.887961] slab_reclaimable:4627 slab_unreclaimable:57010 [ 935.887961] mapped:5 shmem:48 pagetables:361 bounce:0 [ 935.887961] free:5991 free_pcp:108 free_cma:0 [ 935.887974] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 935.887993] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 935.888019] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 935.888074] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 935.888117] 0 pages in swap cache [ 935.888121] Swap cache stats: add 0, delete 0, find 0/0 [ 935.888123] Free swap = 0kB [ 935.888125] Total swap = 0kB [ 935.888128] 1965979 pages RAM [ 935.888130] 0 pages HighMem/MovableOnly [ 935.888132] 313617 pages reserved [ 935.920267] blkid: page allocation stalls for 170010ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 935.920275] CPU: 0 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 935.920289] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 935.920300] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 935.920311] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 935.920313] Call Trace: [ 935.920324] [] dump_stack+0xc1/0x128 [ 935.920333] [] warn_alloc.cold.31+0x7f/0x9c [ 935.920343] [] ? zone_watermark_ok_safe+0x250/0x250 [ 935.920350] [] ? shrink_node+0x740/0x740 [ 935.920360] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 935.920369] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 935.920377] [] ? trace_hardirqs_on+0x10/0x10 [ 935.920385] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 935.920394] [] ? validate_mm+0x2f4/0x580 [ 935.920401] [] ? validate_mm+0x32e/0x580 [ 935.920409] [] __pmd_alloc+0x47/0x320 [ 935.920425] [] move_page_tables+0xa17/0xc70 [ 935.920436] [] shift_arg_pages+0x1a8/0x430 [ 935.920444] [] ? put_arg_page+0xd0/0xd0 [ 935.920452] [] ? setup_arg_pages+0x27f/0x7b0 [ 935.920461] [] setup_arg_pages+0x5fa/0x7b0 [ 935.920469] [] ? shift_arg_pages+0x430/0x430 [ 935.920478] [] load_elf_binary+0xaaa/0x4bc0 [ 935.920486] [] ? trace_hardirqs_on+0x10/0x10 [ 935.920495] [] ? audit_inode_permission+0x310/0x310 [ 935.920503] [] ? elf_core_dump+0x4330/0x4330 [ 935.920512] [] ? search_binary_handler+0xff/0x6f0 [ 935.920521] [] search_binary_handler+0x14f/0x6f0 [ 935.920530] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 935.920539] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 935.920548] [] ? prepare_bprm_creds+0x110/0x110 [ 935.920556] [] ? getname_flags+0x229/0x550 [ 935.920564] [] SyS_execve+0x42/0x50 [ 935.920572] [] ? setup_new_exec+0x830/0x830 [ 935.920580] [] do_syscall_64+0x19f/0x550 [ 935.920589] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 935.920592] Mem-Info: [ 935.920609] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 935.920609] active_file:0 inactive_file:41 isolated_file:0 [ 935.920609] unevictable:0 dirty:0 writeback:0 unstable:0 [ 935.920609] slab_reclaimable:4627 slab_unreclaimable:57010 [ 935.920609] mapped:5 shmem:48 pagetables:361 bounce:0 [ 935.920609] free:5991 free_pcp:108 free_cma:0 [ 935.920623] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 935.920643] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 935.920671] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 935.920728] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 935.920774] 0 pages in swap cache [ 935.920778] Swap cache stats: add 0, delete 0, find 0/0 [ 935.920780] Free swap = 0kB [ 935.920782] Total swap = 0kB [ 935.920785] 1965979 pages RAM [ 935.920787] 0 pages HighMem/MovableOnly [ 935.920789] 313617 pages reserved [ 935.930135] syz-execprog: page allocation stalls for 170010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 935.930143] CPU: 1 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 935.930157] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 935.930168] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 935.930178] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 935.930180] Call Trace: [ 935.930191] [] dump_stack+0xc1/0x128 [ 935.930199] [] warn_alloc.cold.31+0x7f/0x9c [ 935.930208] [] ? zone_watermark_ok_safe+0x250/0x250 [ 935.930216] [] ? shrink_node+0x740/0x740 [ 935.930225] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 935.930235] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 935.930243] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 935.930251] [] ? find_get_entry+0x11a/0x570 [ 935.930272] [] ? find_get_entry+0x141/0x570 [ 935.930279] [] ? page_cache_prev_hole+0x80/0x80 [ 935.930302] [] ? autoremove_wake_function+0x40/0x40 [ 935.930309] [] ? pagecache_get_page+0x131/0x710 [ 935.930329] [] filemap_fault+0xaf1/0x1110 [ 935.930337] [] ext4_filemap_fault+0x71/0xa0 [ 935.930343] [] __do_fault+0x223/0x500 [ 935.930349] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 935.930357] [] ? generic_file_readonly_mmap+0x190/0x190 [ 935.930376] [] handle_mm_fault+0x1326/0x2350 [ 935.930384] [] ? poll_select_set_timeout+0xb5/0x120 [ 935.930391] [] ? vm_insert_page+0x6f0/0x6f0 [ 935.930398] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 935.930418] [] __do_page_fault+0x403/0xa60 [ 935.930426] [] ? __fget_light+0x169/0x1f0 [ 935.930433] [] ? bad_area_access_error+0x3a0/0x3a0 [ 935.930442] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 935.930450] [] do_page_fault+0x27/0x30 [ 935.930457] [] page_fault+0x25/0x30 [ 935.930460] Mem-Info: [ 935.930477] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 935.930477] active_file:0 inactive_file:41 isolated_file:0 [ 935.930477] unevictable:0 dirty:0 writeback:0 unstable:0 [ 935.930477] slab_reclaimable:4627 slab_unreclaimable:57010 [ 935.930477] mapped:5 shmem:48 pagetables:361 bounce:0 [ 935.930477] free:5991 free_pcp:108 free_cma:0 [ 935.930490] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 935.930521] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 935.930547] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 935.930629] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 935.930675] 0 pages in swap cache [ 935.930679] Swap cache stats: add 0, delete 0, find 0/0 [ 935.930681] Free swap = 0kB [ 935.930683] Total swap = 0kB [ 935.930686] 1965979 pages RAM [ 935.930688] 0 pages HighMem/MovableOnly [ 935.930690] 313617 pages reserved [ 935.939798] syz-execprog: page allocation stalls for 170010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 935.939806] CPU: 1 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 935.939819] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 935.939830] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 935.939841] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 935.939842] Call Trace: [ 935.939852] [] dump_stack+0xc1/0x128 [ 935.939861] [] warn_alloc.cold.31+0x7f/0x9c [ 935.939883] [] ? zone_watermark_ok_safe+0x250/0x250 [ 935.939891] [] ? shrink_node+0x740/0x740 [ 935.939900] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 935.939907] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 935.939916] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 935.939932] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 935.939940] [] ? find_get_entry+0x11a/0x570 [ 935.939947] [] ? find_get_entry+0x141/0x570 [ 935.939954] [] ? page_cache_prev_hole+0x80/0x80 [ 935.939962] [] ? autoremove_wake_function+0x40/0x40 [ 935.939969] [] ? pagecache_get_page+0x131/0x710 [ 935.939977] [] filemap_fault+0xaf1/0x1110 [ 935.939985] [] ext4_filemap_fault+0x71/0xa0 [ 935.939992] [] __do_fault+0x223/0x500 [ 935.939999] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 935.940007] [] ? generic_file_readonly_mmap+0x190/0x190 [ 935.940015] [] handle_mm_fault+0x1326/0x2350 [ 935.940022] [] ? vm_insert_page+0x6f0/0x6f0 [ 935.940030] [] ? selinux_file_permission+0x82/0x470 [ 935.940040] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 935.940047] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 935.940055] [] __do_page_fault+0x403/0xa60 [ 935.940063] [] ? bad_area_access_error+0x3a0/0x3a0 [ 935.940072] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 935.940079] [] do_page_fault+0x27/0x30 [ 935.940086] [] page_fault+0x25/0x30 [ 935.940089] Mem-Info: [ 935.940106] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 935.940106] active_file:0 inactive_file:41 isolated_file:0 [ 935.940106] unevictable:0 dirty:0 writeback:0 unstable:0 [ 935.940106] slab_reclaimable:4627 slab_unreclaimable:57010 [ 935.940106] mapped:5 shmem:48 pagetables:361 bounce:0 [ 935.940106] free:5991 free_pcp:108 free_cma:0 [ 935.940119] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 935.940138] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 935.940165] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 935.940221] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 935.940266] 0 pages in swap cache [ 935.940270] Swap cache stats: add 0, delete 0, find 0/0 [ 935.940272] Free swap = 0kB [ 935.940275] Total swap = 0kB [ 935.940277] 1965979 pages RAM [ 935.940279] 0 pages HighMem/MovableOnly [ 935.940281] 313617 pages reserved [ 936.299472] udevd: page allocation stalls for 170010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 936.299482] CPU: 0 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 936.299498] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 936.299509] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 936.299520] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 936.299522] Call Trace: [ 936.299538] [] dump_stack+0xc1/0x128 [ 936.299548] [] warn_alloc.cold.31+0x7f/0x9c [ 936.299558] [] ? zone_watermark_ok_safe+0x250/0x250 [ 936.299568] [] ? shrink_node+0x740/0x740 [ 936.299578] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 936.299586] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 936.299596] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 936.299605] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 936.299612] [] ? find_get_entry+0x11a/0x570 [ 936.299620] [] ? find_get_entry+0x141/0x570 [ 936.299627] [] ? page_cache_prev_hole+0x80/0x80 [ 936.299636] [] ? autoremove_wake_function+0x40/0x40 [ 936.299644] [] ? pagecache_get_page+0x131/0x710 [ 936.299652] [] filemap_fault+0xaf1/0x1110 [ 936.299661] [] ext4_filemap_fault+0x71/0xa0 [ 936.299669] [] __do_fault+0x223/0x500 [ 936.299675] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 936.299684] [] ? generic_file_readonly_mmap+0x190/0x190 [ 936.299692] [] handle_mm_fault+0x1326/0x2350 [ 936.299700] [] ? vm_insert_page+0x6f0/0x6f0 [ 936.299708] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 936.299717] [] __do_page_fault+0x403/0xa60 [ 936.299725] [] ? bad_area_access_error+0x3a0/0x3a0 [ 936.299735] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 936.299743] [] do_page_fault+0x27/0x30 [ 936.299751] [] page_fault+0x25/0x30 [ 936.299755] Mem-Info: [ 936.299773] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 936.299773] active_file:0 inactive_file:41 isolated_file:0 [ 936.299773] unevictable:0 dirty:0 writeback:0 unstable:0 [ 936.299773] slab_reclaimable:4627 slab_unreclaimable:57010 [ 936.299773] mapped:5 shmem:48 pagetables:361 bounce:0 [ 936.299773] free:5991 free_pcp:108 free_cma:0 [ 936.299787] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 936.299833] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 936.299859] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 936.299915] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 936.299984] 0 pages in swap cache [ 936.299988] Swap cache stats: add 0, delete 0, find 0/0 [ 936.299990] Free swap = 0kB [ 936.299992] Total swap = 0kB [ 936.299995] 1965979 pages RAM [ 936.299997] 0 pages HighMem/MovableOnly [ 936.299999] 313617 pages reserved [ 936.518561] syz-execprog: page allocation stalls for 170030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 936.518571] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 936.518587] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 936.518598] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 936.518608] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 936.518611] Call Trace: [ 936.518627] [] dump_stack+0xc1/0x128 [ 936.518637] [] warn_alloc.cold.31+0x7f/0x9c [ 936.518647] [] ? zone_watermark_ok_safe+0x250/0x250 [ 936.518656] [] ? shrink_node+0x740/0x740 [ 936.518666] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 936.518675] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 936.518684] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 936.518693] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 936.518701] [] ? find_get_entry+0x11a/0x570 [ 936.518708] [] ? find_get_entry+0x141/0x570 [ 936.518716] [] ? page_cache_prev_hole+0x80/0x80 [ 936.518725] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 936.518733] [] ? pagecache_get_page+0x131/0x710 [ 936.518741] [] filemap_fault+0xaf1/0x1110 [ 936.518751] [] ext4_filemap_fault+0x71/0xa0 [ 936.518758] [] __do_fault+0x223/0x500 [ 936.518765] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 936.518774] [] ? generic_file_readonly_mmap+0x190/0x190 [ 936.518782] [] handle_mm_fault+0x1326/0x2350 [ 936.518789] [] ? vm_insert_page+0x6f0/0x6f0 [ 936.518799] [] ? kvm_clock_read+0x23/0x40 [ 936.518806] [] ? kvm_clock_get_cycles+0x9/0x10 [ 936.518816] [] __do_page_fault+0x403/0xa60 [ 936.518824] [] ? bad_area_access_error+0x3a0/0x3a0 [ 936.518833] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 936.518841] [] do_page_fault+0x27/0x30 [ 936.518850] [] page_fault+0x25/0x30 [ 936.518854] Mem-Info: [ 936.518873] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 936.518873] active_file:0 inactive_file:41 isolated_file:0 [ 936.518873] unevictable:0 dirty:0 writeback:0 unstable:0 [ 936.518873] slab_reclaimable:4627 slab_unreclaimable:57010 [ 936.518873] mapped:5 shmem:48 pagetables:361 bounce:0 [ 936.518873] free:5991 free_pcp:108 free_cma:0 [ 936.518887] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 936.518907] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 936.518944] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 936.519004] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 936.519051] 0 pages in swap cache [ 936.519055] Swap cache stats: add 0, delete 0, find 0/0 [ 936.519057] Free swap = 0kB [ 936.519059] Total swap = 0kB [ 936.519062] 1965979 pages RAM [ 936.519064] 0 pages HighMem/MovableOnly [ 936.519067] 313617 pages reserved [ 936.610127] udevd: page allocation stalls for 110020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 936.610136] CPU: 1 PID: 588 Comm: udevd Not tainted 4.9.141+ #23 [ 936.610152] ffff8801cfd577c0 ffffffff81b42e79 1ffff10039faaefa ffff8801cfe697c0 [ 936.610163] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfd57908 [ 936.610174] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 936.610176] Call Trace: [ 936.610193] [] dump_stack+0xc1/0x128 [ 936.610203] [] warn_alloc.cold.31+0x7f/0x9c [ 936.610213] [] ? zone_watermark_ok_safe+0x250/0x250 [ 936.610223] [] ? shrink_node+0x740/0x740 [ 936.610232] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 936.610241] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 936.610250] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 936.610259] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 936.610267] [] ? find_get_entry+0x11a/0x570 [ 936.610275] [] ? find_get_entry+0x141/0x570 [ 936.610283] [] ? page_cache_prev_hole+0x80/0x80 [ 936.610291] [] ? pagecache_get_page+0x131/0x710 [ 936.610299] [] filemap_fault+0xaf1/0x1110 [ 936.610308] [] ext4_filemap_fault+0x71/0xa0 [ 936.610316] [] __do_fault+0x223/0x500 [ 936.610323] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 936.610332] [] ? generic_file_readonly_mmap+0x190/0x190 [ 936.610339] [] handle_mm_fault+0x1326/0x2350 [ 936.610348] [] ? ep_poll+0x18f/0xb20 [ 936.610355] [] ? vm_insert_page+0x6f0/0x6f0 [ 936.610364] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 936.610374] [] __do_page_fault+0x403/0xa60 [ 936.610382] [] ? __fget_light+0x169/0x1f0 [ 936.610390] [] ? bad_area_access_error+0x3a0/0x3a0 [ 936.610400] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 936.610408] [] do_page_fault+0x27/0x30 [ 936.610417] [] page_fault+0x25/0x30 [ 936.610420] Mem-Info: [ 936.610437] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 936.610437] active_file:0 inactive_file:41 isolated_file:0 [ 936.610437] unevictable:0 dirty:0 writeback:0 unstable:0 [ 936.610437] slab_reclaimable:4627 slab_unreclaimable:57010 [ 936.610437] mapped:5 shmem:48 pagetables:361 bounce:0 [ 936.610437] free:5991 free_pcp:108 free_cma:0 ** 11 printk messages dropped ** [ 936.610614] Total swap = 0kB [ 936.610616] 1965979 pages RAM [ 936.610618] 0 pages HighMem/MovableOnly [ 936.610621] 313617 pages reserved [ 936.634624] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 936.634624] to free 108kB on behalf of 'syz-execprog' (2160) because [ 936.634624] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 936.634624] Free memory is -13540kB above reserved [ 936.634636] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 936.634636] to free 108kB on behalf of 'syz-execprog' (2156) because [ 936.634636] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 936.634636] Free memory is -13540kB above reserved [ 937.644643] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 937.644643] to free 108kB on behalf of 'cron' (1948) because [ 937.644643] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 937.644643] Free memory is -13540kB above reserved [ 938.656138] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 938.656138] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 938.656138] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 938.656138] Free memory is -13540kB above reserved [ 939.349756] init: page allocation stalls for 170030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 939.349765] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 939.349782] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 939.349793] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 939.349803] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 939.349805] Call Trace: [ 939.349821] [] dump_stack+0xc1/0x128 [ 939.349831] [] warn_alloc.cold.31+0x7f/0x9c [ 939.349842] [] ? zone_watermark_ok_safe+0x250/0x250 [ 939.349850] [] ? shrink_node+0x740/0x740 [ 939.349860] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 939.349868] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 939.349878] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 939.349886] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 939.349894] [] ? find_get_entry+0x11a/0x570 [ 939.349901] [] ? find_get_entry+0x141/0x570 [ 939.349909] [] ? page_cache_prev_hole+0x80/0x80 [ 939.349917] [] ? pagecache_get_page+0x131/0x710 [ 939.349924] [] filemap_fault+0xaf1/0x1110 [ 939.349933] [] ext4_filemap_fault+0x71/0xa0 [ 939.349941] [] __do_fault+0x223/0x500 [ 939.349948] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 939.349956] [] ? generic_file_readonly_mmap+0x190/0x190 [ 939.349964] [] handle_mm_fault+0x1326/0x2350 [ 939.349972] [] ? vm_insert_page+0x6f0/0x6f0 [ 939.349982] [] ? kvm_clock_get_cycles+0x9/0x10 [ 939.349991] [] __do_page_fault+0x403/0xa60 [ 939.349999] [] ? bad_area_access_error+0x3a0/0x3a0 [ 939.350009] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 939.350016] [] do_page_fault+0x27/0x30 [ 939.350025] [] page_fault+0x25/0x30 [ 939.350029] Mem-Info: [ 939.350047] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 939.350047] active_file:0 inactive_file:41 isolated_file:0 [ 939.350047] unevictable:0 dirty:0 writeback:0 unstable:0 [ 939.350047] slab_reclaimable:4627 slab_unreclaimable:57010 [ 939.350047] mapped:5 shmem:48 pagetables:361 bounce:0 [ 939.350047] free:5991 free_pcp:108 free_cma:0 [ 939.350061] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 939.350081] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 939.350109] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 939.350168] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 939.350226] 0 pages in swap cache [ 939.350230] Swap cache stats: add 0, delete 0, find 0/0 [ 939.350233] Free swap = 0kB [ 939.350247] Total swap = 0kB [ 939.350249] 1965979 pages RAM [ 939.350251] 0 pages HighMem/MovableOnly [ 939.350254] 313617 pages reserved [ 939.664562] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 939.664562] to free 108kB on behalf of 'init' (1) because [ 939.664562] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 939.664562] Free memory is -13540kB above reserved [ 939.676454] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 939.676454] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 939.676454] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 939.676454] Free memory is -13540kB above reserved [ 940.684616] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 940.684616] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 940.684616] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 940.684616] Free memory is -13540kB above reserved [ 940.684628] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 940.684628] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 940.684628] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 940.684628] Free memory is -13540kB above reserved [ 941.694630] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 941.694630] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 941.694630] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 941.694630] Free memory is -13540kB above reserved [ 941.694642] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 941.694642] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 941.694642] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 941.694642] Free memory is -13540kB above reserved [ 942.704652] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 942.704652] to free 108kB on behalf of 'init' (1) because [ 942.704652] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 942.704652] Free memory is -13540kB above reserved [ 942.704664] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 942.704664] to free 108kB on behalf of 'blkid' (2353) because [ 942.704664] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 942.704664] Free memory is -13540kB above reserved [ 943.714544] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 943.714544] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 943.714544] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 943.714544] Free memory is -13540kB above reserved [ 944.724559] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 944.724559] to free 108kB on behalf of 'udevd' (589) because [ 944.724559] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 944.724559] Free memory is -13540kB above reserved [ 944.724571] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 944.724571] to free 108kB on behalf of 'syz-execprog' (2156) because [ 944.724571] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 944.724571] Free memory is -13540kB above reserved [ 945.178868] cron: page allocation stalls for 160010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 945.178877] CPU: 1 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 945.178894] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 945.178904] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 945.178914] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 945.178916] Call Trace: [ 945.178937] [] dump_stack+0xc1/0x128 [ 945.178947] [] warn_alloc.cold.31+0x7f/0x9c [ 945.178957] [] ? zone_watermark_ok_safe+0x250/0x250 [ 945.178966] [] ? shrink_node+0x740/0x740 [ 945.178975] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 945.178984] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 945.178993] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 945.179001] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 945.179009] [] ? find_get_entry+0x11a/0x570 [ 945.179016] [] ? find_get_entry+0x141/0x570 [ 945.179024] [] ? page_cache_prev_hole+0x80/0x80 [ 945.179031] [] ? pagecache_get_page+0x131/0x710 [ 945.179039] [] filemap_fault+0xaf1/0x1110 [ 945.179048] [] ext4_filemap_fault+0x71/0xa0 [ 945.179055] [] __do_fault+0x223/0x500 [ 945.179062] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 945.179070] [] ? generic_file_readonly_mmap+0x190/0x190 [ 945.179078] [] handle_mm_fault+0x1326/0x2350 [ 945.179085] [] ? vm_insert_page+0x6f0/0x6f0 [ 945.179093] [] ? hrtimer_nanosleep+0x38c/0x550 [ 945.179102] [] __do_page_fault+0x403/0xa60 [ 945.179109] [] ? bad_area_access_error+0x3a0/0x3a0 [ 945.179119] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 945.179126] [] do_page_fault+0x27/0x30 [ 945.179134] [] page_fault+0x25/0x30 [ 945.179137] Mem-Info: [ 945.179155] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 945.179155] active_file:0 inactive_file:41 isolated_file:0 [ 945.179155] unevictable:0 dirty:0 writeback:0 unstable:0 [ 945.179155] slab_reclaimable:4627 slab_unreclaimable:57010 [ 945.179155] mapped:5 shmem:48 pagetables:361 bounce:0 [ 945.179155] free:5991 free_pcp:108 free_cma:0 [ 945.179168] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 945.179186] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 945.179213] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 945.179268] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 945.179311] 0 pages in swap cache [ 945.179315] Swap cache stats: add 0, delete 0, find 0/0 [ 945.179318] Free swap = 0kB [ 945.179320] Total swap = 0kB [ 945.179322] 1965979 pages RAM [ 945.179324] 0 pages HighMem/MovableOnly [ 945.179326] 313617 pages reserved [ 945.734656] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 945.734656] to free 108kB on behalf of 'init' (1) because [ 945.734656] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 945.734656] Free memory is -13540kB above reserved [ 945.734668] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 945.734668] to free 108kB on behalf of 'udevd' (589) because [ 945.734668] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 945.734668] Free memory is -13540kB above reserved [ 945.918705] blkid: page allocation stalls for 180010ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 945.918715] CPU: 1 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 945.918730] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 945.918741] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 945.918751] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 945.918753] Call Trace: [ 945.918769] [] dump_stack+0xc1/0x128 [ 945.918779] [] warn_alloc.cold.31+0x7f/0x9c [ 945.918788] [] ? zone_watermark_ok_safe+0x250/0x250 [ 945.918797] [] ? shrink_node+0x740/0x740 [ 945.918806] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 945.918815] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 945.918824] [] ? trace_hardirqs_on+0x10/0x10 [ 945.918832] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 945.918840] [] ? validate_mm+0x2f4/0x580 [ 945.918847] [] ? validate_mm+0x32e/0x580 [ 945.918855] [] __pmd_alloc+0x47/0x320 [ 945.918863] [] move_page_tables+0xa17/0xc70 [ 945.918872] [] shift_arg_pages+0x1a8/0x430 [ 945.918879] [] ? put_arg_page+0xd0/0xd0 [ 945.918888] [] ? setup_arg_pages+0x27f/0x7b0 [ 945.918896] [] setup_arg_pages+0x5fa/0x7b0 [ 945.918904] [] ? shift_arg_pages+0x430/0x430 [ 945.918913] [] load_elf_binary+0xaaa/0x4bc0 [ 945.918927] [] ? trace_hardirqs_on+0x10/0x10 [ 945.918936] [] ? audit_inode_permission+0x310/0x310 [ 945.918945] [] ? elf_core_dump+0x4330/0x4330 [ 945.918953] [] ? search_binary_handler+0xff/0x6f0 [ 945.918961] [] search_binary_handler+0x14f/0x6f0 [ 945.918970] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 945.918979] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 945.918988] [] ? prepare_bprm_creds+0x110/0x110 [ 945.918995] [] ? getname_flags+0x229/0x550 [ 945.919003] [] SyS_execve+0x42/0x50 [ 945.919011] [] ? setup_new_exec+0x830/0x830 [ 945.919018] [] do_syscall_64+0x19f/0x550 [ 945.919027] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 945.919031] Mem-Info: [ 945.919048] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 945.919048] active_file:0 inactive_file:41 isolated_file:0 [ 945.919048] unevictable:0 dirty:0 writeback:0 unstable:0 [ 945.919048] slab_reclaimable:4627 slab_unreclaimable:57010 [ 945.919048] mapped:5 shmem:48 pagetables:361 bounce:0 [ 945.919048] free:5991 free_pcp:108 free_cma:0 [ 945.919062] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 945.919080] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 945.919106] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 945.919161] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 945.919203] 0 pages in swap cache [ 945.919208] Swap cache stats: add 0, delete 0, find 0/0 [ 945.919210] Free swap = 0kB [ 945.919212] Total swap = 0kB [ 945.919214] 1965979 pages RAM [ 945.919216] 0 pages HighMem/MovableOnly [ 945.919218] 313617 pages reserved [ 945.949697] syz-execprog: page allocation stalls for 180100ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 945.949706] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 945.949724] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 945.949734] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 945.949745] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 945.949747] Call Trace: [ 945.949762] [] dump_stack+0xc1/0x128 [ 945.949773] [] warn_alloc.cold.31+0x7f/0x9c [ 945.949783] [] ? zone_watermark_ok_safe+0x250/0x250 [ 945.949792] [] ? shrink_node+0x740/0x740 [ 945.949801] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 945.949810] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 945.949819] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 945.949829] [] ? check_preemption_disabled+0x3b/0x200 [ 945.949837] [] ? find_get_entry+0x11a/0x570 [ 945.949844] [] ? find_get_entry+0x141/0x570 [ 945.949852] [] ? page_cache_prev_hole+0x80/0x80 [ 945.949860] [] ? trace_hardirqs_on+0x10/0x10 [ 945.949868] [] ? pagecache_get_page+0x131/0x710 [ 945.949875] [] filemap_fault+0xaf1/0x1110 [ 945.949884] [] ext4_filemap_fault+0x71/0xa0 [ 945.949892] [] __do_fault+0x223/0x500 [ 945.949899] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 945.949907] [] ? handle_mm_fault+0x1d4f/0x2350 [ 945.949915] [] handle_mm_fault+0x1326/0x2350 [ 945.949925] [] ? poll_select_set_timeout+0xb5/0x120 [ 945.949933] [] ? vm_insert_page+0x6f0/0x6f0 [ 945.949943] [] __do_page_fault+0x403/0xa60 [ 945.949950] [] ? __fget_light+0x169/0x1f0 [ 945.949958] [] ? bad_area_access_error+0x3a0/0x3a0 [ 945.949969] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 945.949976] [] do_page_fault+0x27/0x30 [ 945.949985] [] page_fault+0x25/0x30 [ 945.949988] Mem-Info: [ 945.950007] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 945.950007] active_file:0 inactive_file:41 isolated_file:0 [ 945.950007] unevictable:0 dirty:0 writeback:0 unstable:0 [ 945.950007] slab_reclaimable:4627 slab_unreclaimable:57010 [ 945.950007] mapped:5 shmem:48 pagetables:361 bounce:0 [ 945.950007] free:5991 free_pcp:108 free_cma:0 [ 945.950021] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 945.950040] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 945.950068] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 945.950127] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 945.950174] 0 pages in swap cache [ 945.950178] Swap cache stats: add 0, delete 0, find 0/0 [ 945.950180] Free swap = 0kB [ 945.950183] Total swap = 0kB [ 945.950185] 1965979 pages RAM [ 945.950188] 0 pages HighMem/MovableOnly [ 945.950190] 313617 pages reserved [ 945.969636] syz-execprog: page allocation stalls for 180050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 945.969645] CPU: 1 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 945.969662] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 945.969673] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 945.969683] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 945.969685] Call Trace: [ 945.969700] [] dump_stack+0xc1/0x128 [ 945.969710] [] warn_alloc.cold.31+0x7f/0x9c [ 945.969720] [] ? zone_watermark_ok_safe+0x250/0x250 [ 945.969729] [] ? shrink_node+0x740/0x740 [ 945.969739] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 945.969748] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 945.969756] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 945.969764] [] ? find_get_entry+0x11a/0x570 [ 945.969772] [] ? find_get_entry+0x141/0x570 [ 945.969779] [] ? page_cache_prev_hole+0x80/0x80 [ 945.969788] [] ? autoremove_wake_function+0x40/0x40 [ 945.969796] [] ? pagecache_get_page+0x131/0x710 [ 945.969804] [] filemap_fault+0xaf1/0x1110 [ 945.969814] [] ext4_filemap_fault+0x71/0xa0 [ 945.969822] [] __do_fault+0x223/0x500 [ 945.969829] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 945.969838] [] ? generic_file_readonly_mmap+0x190/0x190 [ 945.969845] [] handle_mm_fault+0x1326/0x2350 [ 945.969854] [] ? poll_select_set_timeout+0xb5/0x120 [ 945.969862] [] ? vm_insert_page+0x6f0/0x6f0 [ 945.969870] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 945.969880] [] __do_page_fault+0x403/0xa60 [ 945.969888] [] ? __fget_light+0x169/0x1f0 [ 945.969897] [] ? bad_area_access_error+0x3a0/0x3a0 [ 945.969907] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 945.969914] [] do_page_fault+0x27/0x30 [ 945.969931] [] page_fault+0x25/0x30 [ 945.969935] Mem-Info: [ 945.969953] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 945.969953] active_file:0 inactive_file:41 isolated_file:0 [ 945.969953] unevictable:0 dirty:0 writeback:0 unstable:0 [ 945.969953] slab_reclaimable:4627 slab_unreclaimable:57010 [ 945.969953] mapped:5 shmem:48 pagetables:361 bounce:0 [ 945.969953] free:5991 free_pcp:108 free_cma:0 [ 945.969967] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 945.969987] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 945.970015] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 945.970075] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 945.970122] 0 pages in swap cache [ 945.970126] Swap cache stats: add 0, delete 0, find 0/0 [ 945.970129] Free swap = 0kB [ 945.970131] Total swap = 0kB [ 945.970133] 1965979 pages RAM [ 945.970136] 0 pages HighMem/MovableOnly [ 945.970138] 313617 pages reserved [ 945.989240] syz-execprog: page allocation stalls for 180060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 945.989250] CPU: 1 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 945.989266] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 945.989277] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 945.989288] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 945.989290] Call Trace: [ 945.989305] [] dump_stack+0xc1/0x128 [ 945.989315] [] warn_alloc.cold.31+0x7f/0x9c [ 945.989325] [] ? zone_watermark_ok_safe+0x250/0x250 [ 945.989334] [] ? shrink_node+0x740/0x740 [ 945.989344] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 945.989353] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 945.989362] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 945.989371] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 945.989379] [] ? find_get_entry+0x11a/0x570 [ 945.989386] [] ? find_get_entry+0x141/0x570 [ 945.989394] [] ? page_cache_prev_hole+0x80/0x80 [ 945.989403] [] ? autoremove_wake_function+0x40/0x40 [ 945.989411] [] ? pagecache_get_page+0x131/0x710 [ 945.989419] [] filemap_fault+0xaf1/0x1110 [ 945.989429] [] ext4_filemap_fault+0x71/0xa0 [ 945.989436] [] __do_fault+0x223/0x500 [ 945.989444] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 945.989452] [] ? generic_file_readonly_mmap+0x190/0x190 [ 945.989460] [] handle_mm_fault+0x1326/0x2350 [ 945.989467] [] ? vm_insert_page+0x6f0/0x6f0 [ 945.989477] [] ? selinux_file_permission+0x82/0x470 [ 945.989487] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 945.989494] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 945.989504] [] __do_page_fault+0x403/0xa60 [ 945.989512] [] ? bad_area_access_error+0x3a0/0x3a0 [ 945.989523] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 945.989530] [] do_page_fault+0x27/0x30 [ 945.989539] [] page_fault+0x25/0x30 [ 945.989543] Mem-Info: [ 945.989561] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 945.989561] active_file:0 inactive_file:41 isolated_file:0 [ 945.989561] unevictable:0 dirty:0 writeback:0 unstable:0 [ 945.989561] slab_reclaimable:4627 slab_unreclaimable:57010 [ 945.989561] mapped:5 shmem:48 pagetables:361 bounce:0 [ 945.989561] free:5991 free_pcp:108 free_cma:0 [ 945.989575] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 945.989594] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 945.989622] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 945.989682] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 945.989729] 0 pages in swap cache [ 945.989733] Swap cache stats: add 0, delete 0, find 0/0 [ 945.989735] Free swap = 0kB [ 945.989738] Total swap = 0kB [ 945.989740] 1965979 pages RAM [ 945.989742] 0 pages HighMem/MovableOnly [ 945.989745] 313617 pages reserved [ 946.367817] udevd: page allocation stalls for 180070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 946.367827] CPU: 1 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 946.367842] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 946.367852] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 946.367862] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 946.367864] Call Trace: [ 946.367880] [] dump_stack+0xc1/0x128 [ 946.367890] [] warn_alloc.cold.31+0x7f/0x9c [ 946.367900] [] ? zone_watermark_ok_safe+0x250/0x250 [ 946.367908] [] ? shrink_node+0x740/0x740 [ 946.367923] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 946.367933] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 946.367942] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 946.367950] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 946.367957] [] ? find_get_entry+0x11a/0x570 [ 946.367965] [] ? find_get_entry+0x141/0x570 [ 946.367972] [] ? page_cache_prev_hole+0x80/0x80 [ 946.367981] [] ? autoremove_wake_function+0x40/0x40 [ 946.367988] [] ? pagecache_get_page+0x131/0x710 [ 946.367995] [] filemap_fault+0xaf1/0x1110 [ 946.368005] [] ext4_filemap_fault+0x71/0xa0 [ 946.368012] [] __do_fault+0x223/0x500 [ 946.368018] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 946.368027] [] ? generic_file_readonly_mmap+0x190/0x190 [ 946.368034] [] handle_mm_fault+0x1326/0x2350 [ 946.368041] [] ? vm_insert_page+0x6f0/0x6f0 [ 946.368048] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 946.368057] [] __do_page_fault+0x403/0xa60 [ 946.368065] [] ? bad_area_access_error+0x3a0/0x3a0 [ 946.368074] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 946.368081] [] do_page_fault+0x27/0x30 [ 946.368089] [] page_fault+0x25/0x30 [ 946.368093] Mem-Info: [ 946.368110] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 946.368110] active_file:0 inactive_file:41 isolated_file:0 [ 946.368110] unevictable:0 dirty:0 writeback:0 unstable:0 [ 946.368110] slab_reclaimable:4627 slab_unreclaimable:57010 [ 946.368110] mapped:5 shmem:48 pagetables:361 bounce:0 [ 946.368110] free:5991 free_pcp:108 free_cma:0 [ 946.368123] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 946.368143] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 946.368169] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 946.368226] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 946.368271] 0 pages in swap cache [ 946.368275] Swap cache stats: add 0, delete 0, find 0/0 [ 946.368277] Free swap = 0kB [ 946.368280] Total swap = 0kB [ 946.368282] 1965979 pages RAM [ 946.368284] 0 pages HighMem/MovableOnly [ 946.368286] 313617 pages reserved [ 946.509422] syz-execprog: page allocation stalls for 180020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 946.509433] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 946.509450] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 946.509461] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 946.509471] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 946.509473] Call Trace: [ 946.509489] [] dump_stack+0xc1/0x128 [ 946.509499] [] warn_alloc.cold.31+0x7f/0x9c [ 946.509509] [] ? zone_watermark_ok_safe+0x250/0x250 [ 946.509518] [] ? shrink_node+0x740/0x740 [ 946.509527] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 946.509535] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 946.509545] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 946.509554] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 946.509561] [] ? find_get_entry+0x11a/0x570 [ 946.509569] [] ? find_get_entry+0x141/0x570 [ 946.509577] [] ? page_cache_prev_hole+0x80/0x80 [ 946.509586] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 946.509594] [] ? pagecache_get_page+0x131/0x710 [ 946.509602] [] filemap_fault+0xaf1/0x1110 [ 946.509611] [] ext4_filemap_fault+0x71/0xa0 [ 946.509618] [] __do_fault+0x223/0x500 [ 946.509626] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 946.509634] [] ? generic_file_readonly_mmap+0x190/0x190 [ 946.509642] [] handle_mm_fault+0x1326/0x2350 [ 946.509650] [] ? vm_insert_page+0x6f0/0x6f0 [ 946.509659] [] ? kvm_clock_read+0x23/0x40 [ 946.509667] [] ? kvm_clock_get_cycles+0x9/0x10 [ 946.509676] [] __do_page_fault+0x403/0xa60 [ 946.509684] [] ? bad_area_access_error+0x3a0/0x3a0 [ 946.509694] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 946.509701] [] do_page_fault+0x27/0x30 [ 946.509710] [] page_fault+0x25/0x30 [ 946.509714] Mem-Info: [ 946.509733] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 946.509733] active_file:0 inactive_file:41 isolated_file:0 [ 946.509733] unevictable:0 dirty:0 writeback:0 unstable:0 [ 946.509733] slab_reclaimable:4627 slab_unreclaimable:57010 [ 946.509733] mapped:5 shmem:48 pagetables:361 bounce:0 [ 946.509733] free:5991 free_pcp:108 free_cma:0 [ 946.509747] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 946.509766] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 946.509792] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 946.509849] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 946.509893] 0 pages in swap cache [ 946.509897] Swap cache stats: add 0, delete 0, find 0/0 [ 946.509899] Free swap = 0kB [ 946.509901] Total swap = 0kB [ 946.509903] 1965979 pages RAM [ 946.509905] 0 pages HighMem/MovableOnly [ 946.509907] 313617 pages reserved [ 946.632017] udevd: page allocation stalls for 120040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 946.632027] CPU: 1 PID: 588 Comm: udevd Not tainted 4.9.141+ #23 [ 946.632042] ffff8801cfd577c0 ffffffff81b42e79 1ffff10039faaefa ffff8801cfe697c0 [ 946.632052] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfd57908 [ 946.632063] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 946.632065] Call Trace: [ 946.632081] [] dump_stack+0xc1/0x128 [ 946.632091] [] warn_alloc.cold.31+0x7f/0x9c [ 946.632101] [] ? zone_watermark_ok_safe+0x250/0x250 [ 946.632109] [] ? shrink_node+0x740/0x740 [ 946.632119] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 946.632127] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 946.632136] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 946.632144] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 946.632152] [] ? find_get_entry+0x11a/0x570 [ 946.632159] [] ? find_get_entry+0x141/0x570 [ 946.632166] [] ? page_cache_prev_hole+0x80/0x80 [ 946.632173] [] ? pagecache_get_page+0x131/0x710 [ 946.632181] [] filemap_fault+0xaf1/0x1110 [ 946.632190] [] ext4_filemap_fault+0x71/0xa0 [ 946.632197] [] __do_fault+0x223/0x500 [ 946.632203] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 946.632212] [] ? generic_file_readonly_mmap+0x190/0x190 [ 946.632219] [] handle_mm_fault+0x1326/0x2350 [ 946.632226] [] ? ep_poll+0x18f/0xb20 [ 946.632233] [] ? vm_insert_page+0x6f0/0x6f0 [ 946.632241] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 946.632251] [] __do_page_fault+0x403/0xa60 [ 946.632259] [] ? __fget_light+0x169/0x1f0 [ 946.632267] [] ? bad_area_access_error+0x3a0/0x3a0 [ 946.632276] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 946.632283] [] do_page_fault+0x27/0x30 [ 946.632291] [] page_fault+0x25/0x30 [ 946.632295] Mem-Info: [ 946.632316] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 946.632316] active_file:0 inactive_file:41 isolated_file:0 [ 946.632316] unevictable:0 dirty:0 writeback:0 unstable:0 [ 946.632316] slab_reclaimable:4627 slab_unreclaimable:57010 [ 946.632316] mapped:5 shmem:48 pagetables:361 bounce:0 [ 946.632316] free:5991 free_pcp:108 free_cma:0 [ 946.632329] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 946.632349] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 946.632376] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 946.632433] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 946.632476] 0 pages in swap cache [ 946.632480] Swap cache stats: add 0, delete 0, find 0/0 [ 946.632482] Free swap = 0kB [ 946.632484] Total swap = 0kB [ 946.632486] 1965979 pages RAM [ 946.632488] 0 pages HighMem/MovableOnly [ 946.632490] 313617 pages reserved [ 946.744577] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 946.744577] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 946.744577] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 946.744577] Free memory is -13540kB above reserved [ 946.744601] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 946.744601] to free 108kB on behalf of 'cron' (1948) because [ 946.744601] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 946.744601] Free memory is -13540kB above reserved [ 947.754618] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 947.754618] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 947.754618] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 947.754618] Free memory is -13540kB above reserved [ 947.754630] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 947.754630] to free 108kB on behalf of 'init' (1) because [ 947.754630] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 947.754630] Free memory is -13540kB above reserved [ 948.767062] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 948.767062] to free 108kB on behalf of 'blkid' (2353) because [ 948.767062] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 948.767062] Free memory is -13540kB above reserved [ 948.767075] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 948.767075] to free 108kB on behalf of 'init' (1) because [ 948.767075] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 948.767075] Free memory is -13540kB above reserved [ 949.359900] init: page allocation stalls for 180040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 949.359909] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 949.359924] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 949.359935] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 949.359946] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 949.359948] Call Trace: [ 949.359963] [] dump_stack+0xc1/0x128 [ 949.359974] [] warn_alloc.cold.31+0x7f/0x9c [ 949.359984] [] ? zone_watermark_ok_safe+0x250/0x250 [ 949.359993] [] ? shrink_node+0x740/0x740 [ 949.360003] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 949.360011] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 949.360021] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 949.360030] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 949.360037] [] ? find_get_entry+0x11a/0x570 [ 949.360045] [] ? find_get_entry+0x141/0x570 [ 949.360052] [] ? page_cache_prev_hole+0x80/0x80 [ 949.360060] [] ? pagecache_get_page+0x131/0x710 [ 949.360068] [] filemap_fault+0xaf1/0x1110 [ 949.360077] [] ext4_filemap_fault+0x71/0xa0 [ 949.360084] [] __do_fault+0x223/0x500 [ 949.360092] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 949.360100] [] ? generic_file_readonly_mmap+0x190/0x190 [ 949.360108] [] handle_mm_fault+0x1326/0x2350 [ 949.360116] [] ? vm_insert_page+0x6f0/0x6f0 [ 949.360126] [] ? kvm_clock_get_cycles+0x9/0x10 [ 949.360135] [] __do_page_fault+0x403/0xa60 [ 949.360143] [] ? bad_area_access_error+0x3a0/0x3a0 [ 949.360153] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 949.360160] [] do_page_fault+0x27/0x30 [ 949.360169] [] page_fault+0x25/0x30 [ 949.360173] Mem-Info: [ 949.360190] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 949.360190] active_file:0 inactive_file:41 isolated_file:0 [ 949.360190] unevictable:0 dirty:0 writeback:0 unstable:0 [ 949.360190] slab_reclaimable:4627 slab_unreclaimable:57010 [ 949.360190] mapped:5 shmem:48 pagetables:361 bounce:0 [ 949.360190] free:5991 free_pcp:108 free_cma:0 [ 949.360204] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 949.360224] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 949.360252] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 949.360311] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 949.360357] 0 pages in swap cache [ 949.360361] Swap cache stats: add 0, delete 0, find 0/0 [ 949.360363] Free swap = 0kB [ 949.360365] Total swap = 0kB [ 949.360368] 1965979 pages RAM [ 949.360370] 0 pages HighMem/MovableOnly [ 949.360373] 313617 pages reserved [ 949.774587] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 949.774587] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 949.774587] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 949.774587] Free memory is -13540kB above reserved [ 949.774598] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 949.774598] to free 108kB on behalf of 'syz-execprog' (2156) because [ 949.774598] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 949.774598] Free memory is -13540kB above reserved [ 950.784572] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 950.784572] to free 108kB on behalf of 'udevd' (589) because [ 950.784572] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 950.784572] Free memory is -13540kB above reserved [ 951.798575] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 951.798575] to free 108kB on behalf of 'cron' (1948) because [ 951.798575] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 951.798575] Free memory is -13540kB above reserved [ 952.804617] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 952.804617] to free 108kB on behalf of 'udevd' (588) because [ 952.804617] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 952.804617] Free memory is -13540kB above reserved [ 953.814579] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 953.814579] to free 108kB on behalf of 'syz-execprog' (2156) because [ 953.814579] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 953.814579] Free memory is -13540kB above reserved [ 953.814601] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 953.814601] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 953.814601] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 953.814601] Free memory is -13540kB above reserved [ 954.824675] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 954.824675] to free 108kB on behalf of 'udevd' (588) because [ 954.824675] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 954.824675] Free memory is -13540kB above reserved [ 954.824687] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 954.824687] to free 108kB on behalf of 'syz-execprog' (2156) because [ 954.824687] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 954.824687] Free memory is -13540kB above reserved [ 955.199675] cron: page allocation stalls for 170040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 955.199684] CPU: 1 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 955.199701] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 955.199712] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 955.199722] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 955.199724] Call Trace: [ 955.199740] [] dump_stack+0xc1/0x128 [ 955.199750] [] warn_alloc.cold.31+0x7f/0x9c [ 955.199760] [] ? zone_watermark_ok_safe+0x250/0x250 [ 955.199769] [] ? shrink_node+0x740/0x740 [ 955.199779] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 955.199787] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 955.199797] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 955.199806] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 955.199814] [] ? find_get_entry+0x11a/0x570 [ 955.199821] [] ? find_get_entry+0x141/0x570 [ 955.199829] [] ? page_cache_prev_hole+0x80/0x80 [ 955.199837] [] ? pagecache_get_page+0x131/0x710 [ 955.199844] [] filemap_fault+0xaf1/0x1110 [ 955.199854] [] ext4_filemap_fault+0x71/0xa0 [ 955.199861] [] __do_fault+0x223/0x500 [ 955.199868] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 955.199877] [] ? generic_file_readonly_mmap+0x190/0x190 [ 955.199885] [] handle_mm_fault+0x1326/0x2350 [ 955.199892] [] ? vm_insert_page+0x6f0/0x6f0 [ 955.199901] [] ? hrtimer_nanosleep+0x38c/0x550 [ 955.199911] [] __do_page_fault+0x403/0xa60 [ 955.199927] [] ? bad_area_access_error+0x3a0/0x3a0 [ 955.199938] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 955.199945] [] do_page_fault+0x27/0x30 [ 955.199954] [] page_fault+0x25/0x30 [ 955.199958] Mem-Info: [ 955.199976] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 955.199976] active_file:0 inactive_file:41 isolated_file:0 [ 955.199976] unevictable:0 dirty:0 writeback:0 unstable:0 [ 955.199976] slab_reclaimable:4627 slab_unreclaimable:57010 [ 955.199976] mapped:5 shmem:48 pagetables:361 bounce:0 [ 955.199976] free:5991 free_pcp:108 free_cma:0 [ 955.199990] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 955.200010] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 955.200038] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 955.200098] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 955.200144] 0 pages in swap cache [ 955.200149] Swap cache stats: add 0, delete 0, find 0/0 [ 955.200151] Free swap = 0kB [ 955.200153] Total swap = 0kB [ 955.200156] 1965979 pages RAM [ 955.200158] 0 pages HighMem/MovableOnly [ 955.200160] 313617 pages reserved [ 955.834629] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 955.834629] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 955.834629] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 955.834629] Free memory is -13540kB above reserved [ 955.834641] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 955.834641] to free 108kB on behalf of 'udevd' (589) because [ 955.834641] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 955.834641] Free memory is -13540kB above reserved [ 955.880598] syz-execprog: page allocation stalls for 190030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 955.880608] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 955.880625] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 955.880636] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 955.880647] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 955.880649] Call Trace: [ 955.880664] [] dump_stack+0xc1/0x128 [ 955.880675] [] warn_alloc.cold.31+0x7f/0x9c [ 955.880684] [] ? zone_watermark_ok_safe+0x250/0x250 [ 955.880694] [] ? shrink_node+0x740/0x740 [ 955.880703] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 955.880712] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 955.880721] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 955.880731] [] ? check_preemption_disabled+0x3b/0x200 [ 955.880739] [] ? find_get_entry+0x11a/0x570 [ 955.880746] [] ? find_get_entry+0x141/0x570 [ 955.880754] [] ? page_cache_prev_hole+0x80/0x80 [ 955.880762] [] ? trace_hardirqs_on+0x10/0x10 [ 955.880770] [] ? pagecache_get_page+0x131/0x710 [ 955.880778] [] filemap_fault+0xaf1/0x1110 [ 955.880787] [] ext4_filemap_fault+0x71/0xa0 [ 955.880795] [] __do_fault+0x223/0x500 [ 955.880802] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 955.880810] [] ? handle_mm_fault+0x1d4f/0x2350 [ 955.880818] [] handle_mm_fault+0x1326/0x2350 [ 955.880827] [] ? poll_select_set_timeout+0xb5/0x120 [ 955.880835] [] ? vm_insert_page+0x6f0/0x6f0 [ 955.880845] [] __do_page_fault+0x403/0xa60 [ 955.880853] [] ? __fget_light+0x169/0x1f0 [ 955.880861] [] ? bad_area_access_error+0x3a0/0x3a0 [ 955.880871] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 955.880879] [] do_page_fault+0x27/0x30 [ 955.880888] [] page_fault+0x25/0x30 [ 955.880892] Mem-Info: [ 955.880910] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 955.880910] active_file:0 inactive_file:41 isolated_file:0 [ 955.880910] unevictable:0 dirty:0 writeback:0 unstable:0 [ 955.880910] slab_reclaimable:4627 slab_unreclaimable:57010 [ 955.880910] mapped:5 shmem:48 pagetables:361 bounce:0 [ 955.880910] free:5991 free_pcp:108 free_cma:0 [ 955.880933] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 955.880979] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 955.881029] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 955.881085] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 955.881129] 0 pages in swap cache [ 955.881146] Swap cache stats: add 0, delete 0, find 0/0 [ 955.881148] Free swap = 0kB [ 955.881150] Total swap = 0kB [ 955.881153] 1965979 pages RAM [ 955.881155] 0 pages HighMem/MovableOnly [ 955.881157] 313617 pages reserved [ 955.929712] syz-execprog: page allocation stalls for 190010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 955.929721] CPU: 0 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 955.929738] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 955.929749] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 955.929760] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 955.929762] Call Trace: [ 955.929778] [] dump_stack+0xc1/0x128 [ 955.929788] [] warn_alloc.cold.31+0x7f/0x9c [ 955.929797] [] ? zone_watermark_ok_safe+0x250/0x250 [ 955.929807] [] ? shrink_node+0x740/0x740 [ 955.929816] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 955.929826] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 955.929834] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 955.929842] [] ? find_get_entry+0x11a/0x570 [ 955.929850] [] ? find_get_entry+0x141/0x570 [ 955.929858] [] ? page_cache_prev_hole+0x80/0x80 [ 955.929867] [] ? autoremove_wake_function+0x40/0x40 [ 955.929875] [] ? pagecache_get_page+0x131/0x710 [ 955.929883] [] filemap_fault+0xaf1/0x1110 [ 955.929892] [] ext4_filemap_fault+0x71/0xa0 [ 955.929900] [] __do_fault+0x223/0x500 [ 955.929907] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 955.929915] [] ? generic_file_readonly_mmap+0x190/0x190 [ 955.929922] [] handle_mm_fault+0x1326/0x2350 [ 955.929931] [] ? poll_select_set_timeout+0xb5/0x120 [ 955.929939] [] ? vm_insert_page+0x6f0/0x6f0 [ 955.929947] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 955.929958] [] __do_page_fault+0x403/0xa60 [ 955.929966] [] ? __fget_light+0x169/0x1f0 [ 955.929974] [] ? bad_area_access_error+0x3a0/0x3a0 [ 955.929984] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 955.929991] [] do_page_fault+0x27/0x30 [ 955.930000] [] page_fault+0x25/0x30 [ 955.930003] Mem-Info: [ 955.930021] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 955.930021] active_file:0 inactive_file:41 isolated_file:0 [ 955.930021] unevictable:0 dirty:0 writeback:0 unstable:0 [ 955.930021] slab_reclaimable:4627 slab_unreclaimable:57010 [ 955.930021] mapped:5 shmem:48 pagetables:361 bounce:0 [ 955.930021] free:5991 free_pcp:108 free_cma:0 [ 955.930035] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 955.930055] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 955.930083] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 955.930143] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 955.930189] 0 pages in swap cache [ 955.930194] Swap cache stats: add 0, delete 0, find 0/0 [ 955.930196] Free swap = 0kB [ 955.930198] Total swap = 0kB [ 955.930201] 1965979 pages RAM [ 955.930203] 0 pages HighMem/MovableOnly [ 955.930205] 313617 pages reserved [ 955.939717] blkid: page allocation stalls for 190030ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 955.939725] CPU: 0 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 955.939738] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 955.939749] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 955.939760] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 955.939762] Call Trace: [ 955.939772] [] dump_stack+0xc1/0x128 [ 955.939781] [] warn_alloc.cold.31+0x7f/0x9c [ 955.939790] [] ? zone_watermark_ok_safe+0x250/0x250 [ 955.939798] [] ? shrink_node+0x740/0x740 [ 955.939807] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 955.939816] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 955.939824] [] ? trace_hardirqs_on+0x10/0x10 [ 955.939832] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 955.939840] [] ? validate_mm+0x2f4/0x580 [ 955.939847] [] ? validate_mm+0x32e/0x580 [ 955.939855] [] __pmd_alloc+0x47/0x320 [ 955.939864] [] move_page_tables+0xa17/0xc70 [ 955.939874] [] shift_arg_pages+0x1a8/0x430 [ 955.939882] [] ? put_arg_page+0xd0/0xd0 [ 955.939890] [] ? setup_arg_pages+0x27f/0x7b0 [ 955.939899] [] setup_arg_pages+0x5fa/0x7b0 [ 955.939907] [] ? shift_arg_pages+0x430/0x430 [ 955.939917] [] load_elf_binary+0xaaa/0x4bc0 [ 955.939924] [] ? trace_hardirqs_on+0x10/0x10 [ 955.939932] [] ? audit_inode_permission+0x310/0x310 [ 955.939941] [] ? elf_core_dump+0x4330/0x4330 [ 955.939949] [] ? search_binary_handler+0xff/0x6f0 [ 955.939958] [] search_binary_handler+0x14f/0x6f0 [ 955.939967] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 955.939976] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 955.939985] [] ? prepare_bprm_creds+0x110/0x110 [ 955.939992] [] ? getname_flags+0x229/0x550 [ 955.940000] [] SyS_execve+0x42/0x50 [ 955.940009] [] ? setup_new_exec+0x830/0x830 [ 955.940016] [] do_syscall_64+0x19f/0x550 [ 955.940025] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 955.940028] Mem-Info: [ 955.940044] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 955.940044] active_file:0 inactive_file:41 isolated_file:0 [ 955.940044] unevictable:0 dirty:0 writeback:0 unstable:0 [ 955.940044] slab_reclaimable:4627 slab_unreclaimable:57010 [ 955.940044] mapped:5 shmem:48 pagetables:361 bounce:0 [ 955.940044] free:5991 free_pcp:108 free_cma:0 [ 955.940058] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 955.940077] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 955.940104] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 955.940161] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 955.940206] 0 pages in swap cache [ 955.940211] Swap cache stats: add 0, delete 0, find 0/0 [ 955.940213] Free swap = 0kB [ 955.940215] Total swap = 0kB [ 955.940217] 1965979 pages RAM [ 955.940219] 0 pages HighMem/MovableOnly [ 955.940222] 313617 pages reserved [ 956.045088] syz-execprog: page allocation stalls for 190120ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 956.045097] CPU: 1 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 956.045113] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 956.045123] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 956.045133] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 956.045135] Call Trace: [ 956.045150] [] dump_stack+0xc1/0x128 [ 956.045161] [] warn_alloc.cold.31+0x7f/0x9c [ 956.045170] [] ? zone_watermark_ok_safe+0x250/0x250 [ 956.045179] [] ? shrink_node+0x740/0x740 [ 956.045189] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 956.045197] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 956.045206] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 956.045214] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 956.045222] [] ? find_get_entry+0x11a/0x570 [ 956.045229] [] ? find_get_entry+0x141/0x570 [ 956.045236] [] ? page_cache_prev_hole+0x80/0x80 [ 956.045245] [] ? autoremove_wake_function+0x40/0x40 [ 956.045252] [] ? pagecache_get_page+0x131/0x710 [ 956.045260] [] filemap_fault+0xaf1/0x1110 [ 956.045269] [] ext4_filemap_fault+0x71/0xa0 [ 956.045276] [] __do_fault+0x223/0x500 [ 956.045282] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 956.045291] [] ? generic_file_readonly_mmap+0x190/0x190 [ 956.045298] [] handle_mm_fault+0x1326/0x2350 [ 956.045305] [] ? vm_insert_page+0x6f0/0x6f0 [ 956.045313] [] ? selinux_file_permission+0x82/0x470 [ 956.045323] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 956.045330] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 956.045338] [] __do_page_fault+0x403/0xa60 [ 956.045347] [] ? bad_area_access_error+0x3a0/0x3a0 [ 956.045357] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 956.045364] [] do_page_fault+0x27/0x30 [ 956.045373] [] page_fault+0x25/0x30 [ 956.045376] Mem-Info: [ 956.045393] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 956.045393] active_file:0 inactive_file:41 isolated_file:0 [ 956.045393] unevictable:0 dirty:0 writeback:0 unstable:0 [ 956.045393] slab_reclaimable:4627 slab_unreclaimable:57010 [ 956.045393] mapped:5 shmem:48 pagetables:361 bounce:0 [ 956.045393] free:5991 free_pcp:108 free_cma:0 [ 956.045407] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 956.045425] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 956.045451] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 956.045506] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 956.045550] 0 pages in swap cache [ 956.045554] Swap cache stats: add 0, delete 0, find 0/0 [ 956.045556] Free swap = 0kB [ 956.045558] Total swap = 0kB [ 956.045560] 1965979 pages RAM [ 956.045562] 0 pages HighMem/MovableOnly [ 956.045565] 313617 pages reserved [ 956.326807] udevd: page allocation stalls for 190040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 956.326817] CPU: 0 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 956.326833] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 956.326843] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 956.326854] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 956.326856] Call Trace: [ 956.326872] [] dump_stack+0xc1/0x128 [ 956.326882] [] warn_alloc.cold.31+0x7f/0x9c [ 956.326892] [] ? zone_watermark_ok_safe+0x250/0x250 [ 956.326901] [] ? shrink_node+0x740/0x740 [ 956.326910] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 956.326919] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 956.326929] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 956.326937] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 956.326945] [] ? find_get_entry+0x11a/0x570 [ 956.326952] [] ? find_get_entry+0x141/0x570 [ 956.326960] [] ? page_cache_prev_hole+0x80/0x80 [ 956.326969] [] ? autoremove_wake_function+0x40/0x40 [ 956.326977] [] ? pagecache_get_page+0x131/0x710 [ 956.326985] [] filemap_fault+0xaf1/0x1110 [ 956.326994] [] ext4_filemap_fault+0x71/0xa0 [ 956.327002] [] __do_fault+0x223/0x500 [ 956.327009] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 956.327017] [] ? generic_file_readonly_mmap+0x190/0x190 [ 956.327025] [] handle_mm_fault+0x1326/0x2350 [ 956.327032] [] ? vm_insert_page+0x6f0/0x6f0 [ 956.327040] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 956.327049] [] __do_page_fault+0x403/0xa60 [ 956.327058] [] ? bad_area_access_error+0x3a0/0x3a0 [ 956.327068] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 956.327075] [] do_page_fault+0x27/0x30 [ 956.327085] [] page_fault+0x25/0x30 [ 956.327088] Mem-Info: [ 956.327107] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 956.327107] active_file:0 inactive_file:41 isolated_file:0 [ 956.327107] unevictable:0 dirty:0 writeback:0 unstable:0 [ 956.327107] slab_reclaimable:4627 slab_unreclaimable:57010 [ 956.327107] mapped:5 shmem:48 pagetables:361 bounce:0 [ 956.327107] free:5991 free_pcp:108 free_cma:0 [ 956.327121] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 956.327148] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 956.327176] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 956.327236] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 956.327283] 0 pages in swap cache [ 956.327287] Swap cache stats: add 0, delete 0, find 0/0 [ 956.327289] Free swap = 0kB [ 956.327291] Total swap = 0kB [ 956.327294] 1965979 pages RAM [ 956.327296] 0 pages HighMem/MovableOnly [ 956.327299] 313617 pages reserved [ 956.549572] syz-execprog: page allocation stalls for 190060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 956.549581] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 956.549597] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 956.549608] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 956.549617] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 956.549619] Call Trace: [ 956.549635] [] dump_stack+0xc1/0x128 [ 956.549645] [] warn_alloc.cold.31+0x7f/0x9c [ 956.549655] [] ? zone_watermark_ok_safe+0x250/0x250 [ 956.549664] [] ? shrink_node+0x740/0x740 [ 956.549673] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 956.549681] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 956.549690] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 956.549698] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 956.549705] [] ? find_get_entry+0x11a/0x570 [ 956.549712] [] ? find_get_entry+0x141/0x570 [ 956.549719] [] ? page_cache_prev_hole+0x80/0x80 [ 956.549728] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 956.549735] [] ? pagecache_get_page+0x131/0x710 [ 956.549743] [] filemap_fault+0xaf1/0x1110 [ 956.549751] [] ext4_filemap_fault+0x71/0xa0 [ 956.549759] [] __do_fault+0x223/0x500 [ 956.549765] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 956.549774] [] ? generic_file_readonly_mmap+0x190/0x190 [ 956.549781] [] handle_mm_fault+0x1326/0x2350 [ 956.549788] [] ? vm_insert_page+0x6f0/0x6f0 [ 956.549796] [] ? kvm_clock_read+0x23/0x40 [ 956.549805] [] ? kvm_clock_get_cycles+0x9/0x10 [ 956.549813] [] __do_page_fault+0x403/0xa60 [ 956.549821] [] ? bad_area_access_error+0x3a0/0x3a0 [ 956.549830] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 956.549838] [] do_page_fault+0x27/0x30 [ 956.549846] [] page_fault+0x25/0x30 [ 956.549850] Mem-Info: [ 956.549867] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 956.549867] active_file:0 inactive_file:41 isolated_file:0 [ 956.549867] unevictable:0 dirty:0 writeback:0 unstable:0 [ 956.549867] slab_reclaimable:4627 slab_unreclaimable:57010 [ 956.549867] mapped:5 shmem:48 pagetables:361 bounce:0 [ 956.549867] free:5991 free_pcp:108 free_cma:0 [ 956.549880] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 956.549899] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 956.549934] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 956.549989] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 956.550033] 0 pages in swap cache [ 956.550037] Swap cache stats: add 0, delete 0, find 0/0 [ 956.550039] Free swap = 0kB [ 956.550041] Total swap = 0kB [ 956.550043] 1965979 pages RAM [ 956.550045] 0 pages HighMem/MovableOnly [ 956.550048] 313617 pages reserved [ 956.619924] udevd: page allocation stalls for 130030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 956.619934] CPU: 1 PID: 588 Comm: udevd Not tainted 4.9.141+ #23 [ 956.619951] ffff8801cfd577c0 ffffffff81b42e79 1ffff10039faaefa ffff8801cfe697c0 [ 956.619962] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfd57908 [ 956.619973] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 956.619975] Call Trace: [ 956.619992] [] dump_stack+0xc1/0x128 [ 956.620002] [] warn_alloc.cold.31+0x7f/0x9c [ 956.620012] [] ? zone_watermark_ok_safe+0x250/0x250 [ 956.620021] [] ? shrink_node+0x740/0x740 [ 956.620030] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 956.620039] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 956.620049] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 956.620057] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 956.620065] [] ? find_get_entry+0x11a/0x570 [ 956.620073] [] ? find_get_entry+0x141/0x570 [ 956.620080] [] ? page_cache_prev_hole+0x80/0x80 [ 956.620088] [] ? pagecache_get_page+0x131/0x710 [ 956.620096] [] filemap_fault+0xaf1/0x1110 [ 956.620106] [] ext4_filemap_fault+0x71/0xa0 [ 956.620113] [] __do_fault+0x223/0x500 [ 956.620121] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 956.620129] [] ? generic_file_readonly_mmap+0x190/0x190 [ 956.620137] [] handle_mm_fault+0x1326/0x2350 [ 956.620145] [] ? ep_poll+0x18f/0xb20 [ 956.620153] [] ? vm_insert_page+0x6f0/0x6f0 [ 956.620161] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 956.620171] [] __do_page_fault+0x403/0xa60 [ 956.620180] [] ? __fget_light+0x169/0x1f0 [ 956.620188] [] ? bad_area_access_error+0x3a0/0x3a0 [ 956.620198] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 956.620205] [] do_page_fault+0x27/0x30 [ 956.620215] [] page_fault+0x25/0x30 [ 956.620219] Mem-Info: [ 956.620237] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 956.620237] active_file:0 inactive_file:41 isolated_file:0 [ 956.620237] unevictable:0 dirty:0 writeback:0 unstable:0 [ 956.620237] slab_reclaimable:4627 slab_unreclaimable:57010 [ 956.620237] mapped:5 shmem:48 pagetables:361 bounce:0 [ 956.620237] free:5991 free_pcp:108 free_cma:0 [ 956.620251] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 956.620271] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 956.620299] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 956.620357] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 956.620405] 0 pages in swap cache [ 956.620409] Swap cache stats: add 0, delete 0, find 0/0 [ 956.620411] Free swap = 0kB [ 956.620414] Total swap = 0kB [ 956.620416] 1965979 pages RAM [ 956.620418] 0 pages HighMem/MovableOnly [ 956.620420] 313617 pages reserved [ 956.844651] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 956.844651] to free 108kB on behalf of 'init' (1) because [ 956.844651] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 956.844651] Free memory is -13540kB above reserved [ 957.854586] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 957.854586] to free 108kB on behalf of 'init' (1) because [ 957.854586] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 957.854586] Free memory is -13540kB above reserved [ 957.854598] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 957.854598] to free 108kB on behalf of 'syz-execprog' (2163) because [ 957.854598] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 957.854598] Free memory is -13540kB above reserved [ 958.864569] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 958.864569] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 958.864569] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 958.864569] Free memory is -13540kB above reserved [ 959.339599] init: page allocation stalls for 190020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 959.339609] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 959.339626] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 959.339636] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 959.339647] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 959.339649] Call Trace: [ 959.339665] [] dump_stack+0xc1/0x128 [ 959.339676] [] warn_alloc.cold.31+0x7f/0x9c [ 959.339686] [] ? zone_watermark_ok_safe+0x250/0x250 [ 959.339696] [] ? shrink_node+0x740/0x740 [ 959.339706] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 959.339715] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 959.339724] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 959.339733] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 959.339740] [] ? find_get_entry+0x11a/0x570 [ 959.339748] [] ? find_get_entry+0x141/0x570 [ 959.339755] [] ? page_cache_prev_hole+0x80/0x80 [ 959.339763] [] ? pagecache_get_page+0x131/0x710 [ 959.339772] [] filemap_fault+0xaf1/0x1110 [ 959.339781] [] ext4_filemap_fault+0x71/0xa0 [ 959.339788] [] __do_fault+0x223/0x500 [ 959.339796] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 959.339804] [] ? generic_file_readonly_mmap+0x190/0x190 [ 959.339812] [] handle_mm_fault+0x1326/0x2350 [ 959.339820] [] ? vm_insert_page+0x6f0/0x6f0 [ 959.339830] [] ? kvm_clock_get_cycles+0x9/0x10 [ 959.339840] [] __do_page_fault+0x403/0xa60 [ 959.339847] [] ? bad_area_access_error+0x3a0/0x3a0 [ 959.339858] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 959.339865] [] do_page_fault+0x27/0x30 [ 959.339874] [] page_fault+0x25/0x30 [ 959.339878] Mem-Info: [ 959.339896] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 959.339896] active_file:0 inactive_file:41 isolated_file:0 [ 959.339896] unevictable:0 dirty:0 writeback:0 unstable:0 [ 959.339896] slab_reclaimable:4627 slab_unreclaimable:57010 [ 959.339896] mapped:5 shmem:48 pagetables:361 bounce:0 [ 959.339896] free:5991 free_pcp:108 free_cma:0 [ 959.339910] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 959.339938] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 959.339967] Normal free:5296kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:312kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 959.340026] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 37*32kB (MH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5296kB 90 total pagecache pages [ 959.340074] 0 pages in swap cache [ 959.340078] Swap cache stats: add 0, delete 0, find 0/0 [ 959.340081] Free swap = 0kB [ 959.340083] Total swap = 0kB [ 959.340085] 1965979 pages RAM [ 959.340088] 0 pages HighMem/MovableOnly [ 959.340090] 313617 pages reserved [ 959.874579] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 959.874579] to free 108kB on behalf of 'cron' (1948) because [ 959.874579] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 959.874579] Free memory is -13540kB above reserved [ 960.884547] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 960.884547] to free 108kB on behalf of 'udevd' (589) because [ 960.884547] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 960.884547] Free memory is -13540kB above reserved [ 961.894617] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 961.894617] to free 108kB on behalf of 'udevd' (588) because [ 961.894617] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 961.894617] Free memory is -13540kB above reserved [ 961.894629] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 961.894629] to free 108kB on behalf of 'syz-execprog' (2171) because [ 961.894629] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 961.894629] Free memory is -13540kB above reserved [ 962.904565] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 962.904565] to free 108kB on behalf of 'init' (1) because [ 962.904565] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 962.904565] Free memory is -13540kB above reserved [ 963.914629] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 963.914629] to free 108kB on behalf of 'syz-execprog' (2163) because [ 963.914629] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 963.914629] Free memory is -13508kB above reserved [ 963.914641] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 963.914641] to free 108kB on behalf of 'syz-execprog' (2171) because [ 963.914641] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 963.914641] Free memory is -13508kB above reserved [ 964.929392] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 964.929392] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 964.929392] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 964.929392] Free memory is -13508kB above reserved [ 965.241212] cron: page allocation stalls for 180080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 965.241222] CPU: 0 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 965.241239] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 965.241249] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 965.241259] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 965.241261] Call Trace: [ 965.241276] [] dump_stack+0xc1/0x128 [ 965.241286] [] warn_alloc.cold.31+0x7f/0x9c [ 965.241296] [] ? zone_watermark_ok_safe+0x250/0x250 [ 965.241304] [] ? shrink_node+0x740/0x740 [ 965.241313] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 965.241321] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 965.241330] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 965.241337] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 965.241344] [] ? find_get_entry+0x11a/0x570 [ 965.241351] [] ? find_get_entry+0x141/0x570 [ 965.241358] [] ? page_cache_prev_hole+0x80/0x80 [ 965.241366] [] ? pagecache_get_page+0x131/0x710 [ 965.241374] [] filemap_fault+0xaf1/0x1110 [ 965.241383] [] ext4_filemap_fault+0x71/0xa0 [ 965.241389] [] __do_fault+0x223/0x500 [ 965.241396] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 965.241404] [] ? generic_file_readonly_mmap+0x190/0x190 [ 965.241412] [] handle_mm_fault+0x1326/0x2350 [ 965.241426] [] ? vm_insert_page+0x6f0/0x6f0 [ 965.241435] [] ? hrtimer_nanosleep+0x38c/0x550 [ 965.241444] [] __do_page_fault+0x403/0xa60 [ 965.241452] [] ? bad_area_access_error+0x3a0/0x3a0 [ 965.241462] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 965.241469] [] do_page_fault+0x27/0x30 [ 965.241477] [] page_fault+0x25/0x30 [ 965.241481] Mem-Info: [ 965.241498] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 965.241498] active_file:0 inactive_file:41 isolated_file:0 [ 965.241498] unevictable:0 dirty:0 writeback:0 unstable:0 [ 965.241498] slab_reclaimable:4627 slab_unreclaimable:57011 [ 965.241498] mapped:5 shmem:48 pagetables:361 bounce:0 [ 965.241498] free:5999 free_pcp:107 free_cma:0 [ 965.241512] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 965.241531] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 965.241557] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 965.241615] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 965.241658] 0 pages in swap cache [ 965.241662] Swap cache stats: add 0, delete 0, find 0/0 [ 965.241664] Free swap = 0kB [ 965.241666] Total swap = 0kB [ 965.241669] 1965979 pages RAM [ 965.241671] 0 pages HighMem/MovableOnly [ 965.241673] 313617 pages reserved [ 965.934561] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 965.934561] to free 108kB on behalf of 'syz-execprog' (2156) because [ 965.934561] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 965.934561] Free memory is -13508kB above reserved [ 965.934573] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 965.934573] to free 108kB on behalf of 'udevd' (588) because [ 965.934573] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 965.934573] Free memory is -13508kB above reserved [ 965.938182] syz-execprog: page allocation stalls for 200090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 965.938191] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 965.938208] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 965.938218] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 965.938229] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 965.938231] Call Trace: [ 965.938247] [] dump_stack+0xc1/0x128 [ 965.938257] [] warn_alloc.cold.31+0x7f/0x9c [ 965.938267] [] ? zone_watermark_ok_safe+0x250/0x250 [ 965.938276] [] ? shrink_node+0x740/0x740 [ 965.938285] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 965.938294] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 965.938303] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 965.938313] [] ? check_preemption_disabled+0x3b/0x200 [ 965.938320] [] ? find_get_entry+0x11a/0x570 [ 965.938328] [] ? find_get_entry+0x141/0x570 [ 965.938336] [] ? page_cache_prev_hole+0x80/0x80 [ 965.938344] [] ? trace_hardirqs_on+0x10/0x10 [ 965.938352] [] ? pagecache_get_page+0x131/0x710 [ 965.938360] [] filemap_fault+0xaf1/0x1110 [ 965.938369] [] ext4_filemap_fault+0x71/0xa0 [ 965.938376] [] __do_fault+0x223/0x500 [ 965.938383] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 965.938391] [] ? handle_mm_fault+0x1d4f/0x2350 [ 965.938399] [] handle_mm_fault+0x1326/0x2350 [ 965.938408] [] ? poll_select_set_timeout+0xb5/0x120 [ 965.938416] [] ? vm_insert_page+0x6f0/0x6f0 [ 965.938434] [] __do_page_fault+0x403/0xa60 [ 965.938443] [] ? __fget_light+0x169/0x1f0 [ 965.938451] [] ? bad_area_access_error+0x3a0/0x3a0 [ 965.938461] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 965.938468] [] do_page_fault+0x27/0x30 [ 965.938477] [] page_fault+0x25/0x30 [ 965.938481] Mem-Info: [ 965.938499] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 965.938499] active_file:0 inactive_file:41 isolated_file:0 [ 965.938499] unevictable:0 dirty:0 writeback:0 unstable:0 [ 965.938499] slab_reclaimable:4627 slab_unreclaimable:57011 [ 965.938499] mapped:5 shmem:48 pagetables:361 bounce:0 [ 965.938499] free:5999 free_pcp:107 free_cma:0 [ 965.938513] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 965.938533] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 965.938560] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 965.938619] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 965.938666] 0 pages in swap cache [ 965.938670] Swap cache stats: add 0, delete 0, find 0/0 [ 965.938673] Free swap = 0kB [ 965.938675] Total swap = 0kB [ 965.938678] 1965979 pages RAM [ 965.938680] 0 pages HighMem/MovableOnly [ 965.938682] 313617 pages reserved [ 965.946342] syz-execprog: page allocation stalls for 200030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 965.946350] CPU: 1 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 965.946363] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 965.946374] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 965.946385] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 965.946387] Call Trace: [ 965.946397] [] dump_stack+0xc1/0x128 [ 965.946406] [] warn_alloc.cold.31+0x7f/0x9c [ 965.946414] [] ? zone_watermark_ok_safe+0x250/0x250 [ 965.946422] [] ? shrink_node+0x740/0x740 [ 965.946432] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 965.946441] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 965.946450] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 965.946457] [] ? find_get_entry+0x11a/0x570 [ 965.946465] [] ? find_get_entry+0x141/0x570 [ 965.946472] [] ? page_cache_prev_hole+0x80/0x80 [ 965.946481] [] ? autoremove_wake_function+0x40/0x40 [ 965.946489] [] ? pagecache_get_page+0x131/0x710 [ 965.946497] [] filemap_fault+0xaf1/0x1110 [ 965.946505] [] ext4_filemap_fault+0x71/0xa0 [ 965.946512] [] __do_fault+0x223/0x500 [ 965.946519] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 965.946528] [] ? generic_file_readonly_mmap+0x190/0x190 [ 965.946535] [] handle_mm_fault+0x1326/0x2350 [ 965.946544] [] ? poll_select_set_timeout+0xb5/0x120 [ 965.946551] [] ? vm_insert_page+0x6f0/0x6f0 [ 965.946559] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 965.946567] [] __do_page_fault+0x403/0xa60 [ 965.946575] [] ? __fget_light+0x169/0x1f0 [ 965.946583] [] ? bad_area_access_error+0x3a0/0x3a0 [ 965.946592] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 965.946599] [] do_page_fault+0x27/0x30 [ 965.946607] [] page_fault+0x25/0x30 [ 965.946610] Mem-Info: [ 965.946628] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 965.946628] active_file:0 inactive_file:41 isolated_file:0 [ 965.946628] unevictable:0 dirty:0 writeback:0 unstable:0 [ 965.946628] slab_reclaimable:4627 slab_unreclaimable:57011 [ 965.946628] mapped:5 shmem:48 pagetables:361 bounce:0 [ 965.946628] free:5999 free_pcp:107 free_cma:0 [ 965.946642] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 965.946661] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 965.946689] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 965.946748] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 965.946794] 0 pages in swap cache [ 965.946798] Swap cache stats: add 0, delete 0, find 0/0 [ 965.946801] Free swap = 0kB [ 965.946803] Total swap = 0kB [ 965.946805] 1965979 pages RAM [ 965.946807] 0 pages HighMem/MovableOnly [ 965.946810] 313617 pages reserved [ 965.947590] blkid: page allocation stalls for 200040ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 965.947596] CPU: 1 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 965.947609] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 965.947621] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 965.947631] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 965.947633] Call Trace: [ 965.947643] [] dump_stack+0xc1/0x128 [ 965.947651] [] warn_alloc.cold.31+0x7f/0x9c [ 965.947660] [] ? zone_watermark_ok_safe+0x250/0x250 [ 965.947668] [] ? shrink_node+0x740/0x740 [ 965.947677] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 965.947687] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 965.947694] [] ? trace_hardirqs_on+0x10/0x10 [ 965.947702] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 965.947710] [] ? validate_mm+0x2f4/0x580 [ 965.947717] [] ? validate_mm+0x32e/0x580 [ 965.947725] [] __pmd_alloc+0x47/0x320 [ 965.947734] [] move_page_tables+0xa17/0xc70 [ 965.947744] [] shift_arg_pages+0x1a8/0x430 [ 965.947752] [] ? put_arg_page+0xd0/0xd0 [ 965.947761] [] ? setup_arg_pages+0x27f/0x7b0 [ 965.947769] [] setup_arg_pages+0x5fa/0x7b0 [ 965.947778] [] ? shift_arg_pages+0x430/0x430 [ 965.947787] [] load_elf_binary+0xaaa/0x4bc0 [ 965.947795] [] ? trace_hardirqs_on+0x10/0x10 [ 965.947803] [] ? audit_inode_permission+0x310/0x310 [ 965.947812] [] ? elf_core_dump+0x4330/0x4330 [ 965.947820] [] ? search_binary_handler+0xff/0x6f0 [ 965.947829] [] search_binary_handler+0x14f/0x6f0 [ 965.947838] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 965.947847] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 965.947856] [] ? prepare_bprm_creds+0x110/0x110 [ 965.947864] [] ? getname_flags+0x229/0x550 [ 965.947872] [] SyS_execve+0x42/0x50 [ 965.947880] [] ? setup_new_exec+0x830/0x830 [ 965.947888] [] do_syscall_64+0x19f/0x550 [ 965.947896] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 965.947900] Mem-Info: [ 965.947916] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 965.947916] active_file:0 inactive_file:41 isolated_file:0 [ 965.947916] unevictable:0 dirty:0 writeback:0 unstable:0 [ 965.947916] slab_reclaimable:4627 slab_unreclaimable:57011 [ 965.947916] mapped:5 shmem:48 pagetables:361 bounce:0 [ 965.947916] free:5999 free_pcp:107 free_cma:0 [ 965.947938] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 965.947957] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 965.947985] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 965.948042] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 965.948087] 0 pages in swap cache [ 965.948091] Swap cache stats: add 0, delete 0, find 0/0 [ 965.948094] Free swap = 0kB [ 965.948096] Total swap = 0kB [ 965.948098] 1965979 pages RAM [ 965.948101] 0 pages HighMem/MovableOnly [ 965.948103] 313617 pages reserved [ 965.954450] syz-execprog: page allocation stalls for 200020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 965.954457] CPU: 0 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 965.954469] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 965.954485] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 965.954495] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 965.954497] Call Trace: [ 965.954507] [] dump_stack+0xc1/0x128 [ 965.954515] [] warn_alloc.cold.31+0x7f/0x9c [ 965.954523] [] ? zone_watermark_ok_safe+0x250/0x250 [ 965.954531] [] ? shrink_node+0x740/0x740 [ 965.954540] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 965.954547] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 965.954556] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 965.954564] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 965.954571] [] ? find_get_entry+0x11a/0x570 [ 965.954578] [] ? find_get_entry+0x141/0x570 [ 965.954585] [] ? page_cache_prev_hole+0x80/0x80 [ 965.954593] [] ? autoremove_wake_function+0x40/0x40 [ 965.954600] [] ? pagecache_get_page+0x131/0x710 [ 965.954607] [] filemap_fault+0xaf1/0x1110 [ 965.954615] [] ext4_filemap_fault+0x71/0xa0 [ 965.954621] [] __do_fault+0x223/0x500 [ 965.954628] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 965.954636] [] ? generic_file_readonly_mmap+0x190/0x190 [ 965.954644] [] handle_mm_fault+0x1326/0x2350 [ 965.954651] [] ? vm_insert_page+0x6f0/0x6f0 [ 965.954659] [] ? selinux_file_permission+0x82/0x470 [ 965.954668] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 965.954676] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 965.954684] [] __do_page_fault+0x403/0xa60 [ 965.954691] [] ? bad_area_access_error+0x3a0/0x3a0 [ 965.954699] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 965.954706] [] do_page_fault+0x27/0x30 [ 965.954713] [] page_fault+0x25/0x30 [ 965.954747] Mem-Info: [ 965.954763] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 965.954763] active_file:0 inactive_file:41 isolated_file:0 [ 965.954763] unevictable:0 dirty:0 writeback:0 unstable:0 [ 965.954763] slab_reclaimable:4627 slab_unreclaimable:57011 [ 965.954763] mapped:5 shmem:48 pagetables:361 bounce:0 [ 965.954763] free:5999 free_pcp:107 free_cma:0 [ 965.954776] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 965.954794] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 965.954820] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 965.954874] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 965.954916] 0 pages in swap cache [ 965.954920] Swap cache stats: add 0, delete 0, find 0/0 [ 965.954922] Free swap = 0kB [ 965.954924] Total swap = 0kB [ 965.954926] 1965979 pages RAM [ 965.954928] 0 pages HighMem/MovableOnly [ 965.954930] 313617 pages reserved [ 966.309671] udevd: page allocation stalls for 200020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 966.309680] CPU: 0 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 966.309697] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 966.309708] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 966.309719] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 966.309721] Call Trace: [ 966.309736] [] dump_stack+0xc1/0x128 [ 966.309746] [] warn_alloc.cold.31+0x7f/0x9c [ 966.309757] [] ? zone_watermark_ok_safe+0x250/0x250 [ 966.309766] [] ? shrink_node+0x740/0x740 [ 966.309775] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 966.309784] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 966.309794] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 966.309802] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 966.309810] [] ? find_get_entry+0x11a/0x570 [ 966.309817] [] ? find_get_entry+0x141/0x570 [ 966.309825] [] ? page_cache_prev_hole+0x80/0x80 [ 966.309834] [] ? autoremove_wake_function+0x40/0x40 [ 966.309842] [] ? pagecache_get_page+0x131/0x710 [ 966.309850] [] filemap_fault+0xaf1/0x1110 [ 966.309859] [] ext4_filemap_fault+0x71/0xa0 [ 966.309867] [] __do_fault+0x223/0x500 [ 966.309874] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 966.309882] [] ? generic_file_readonly_mmap+0x190/0x190 [ 966.309890] [] handle_mm_fault+0x1326/0x2350 [ 966.309898] [] ? vm_insert_page+0x6f0/0x6f0 [ 966.309905] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 966.309915] [] __do_page_fault+0x403/0xa60 [ 966.309922] [] ? bad_area_access_error+0x3a0/0x3a0 [ 966.309934] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 966.309941] [] do_page_fault+0x27/0x30 [ 966.309950] [] page_fault+0x25/0x30 [ 966.309954] Mem-Info: [ 966.309973] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 966.309973] active_file:0 inactive_file:41 isolated_file:0 [ 966.309973] unevictable:0 dirty:0 writeback:0 unstable:0 [ 966.309973] slab_reclaimable:4627 slab_unreclaimable:57011 [ 966.309973] mapped:5 shmem:48 pagetables:361 bounce:0 [ 966.309973] free:5999 free_pcp:107 free_cma:0 [ 966.309987] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 966.310006] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 966.310034] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 966.310094] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 966.310140] 0 pages in swap cache [ 966.310145] Swap cache stats: add 0, delete 0, find 0/0 [ 966.310147] Free swap = 0kB [ 966.310149] Total swap = 0kB [ 966.310152] 1965979 pages RAM [ 966.310154] 0 pages HighMem/MovableOnly [ 966.310156] 313617 pages reserved [ 966.509663] syz-execprog: page allocation stalls for 200020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 966.509674] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 966.509690] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 966.509701] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 966.509712] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 966.509714] Call Trace: [ 966.509730] [] dump_stack+0xc1/0x128 [ 966.509740] [] warn_alloc.cold.31+0x7f/0x9c [ 966.509750] [] ? zone_watermark_ok_safe+0x250/0x250 [ 966.509759] [] ? shrink_node+0x740/0x740 [ 966.509769] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 966.509777] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 966.509787] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 966.509795] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 966.509803] [] ? find_get_entry+0x11a/0x570 [ 966.509811] [] ? find_get_entry+0x141/0x570 [ 966.509818] [] ? page_cache_prev_hole+0x80/0x80 [ 966.509828] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 966.509835] [] ? pagecache_get_page+0x131/0x710 [ 966.509844] [] filemap_fault+0xaf1/0x1110 [ 966.509853] [] ext4_filemap_fault+0x71/0xa0 [ 966.509861] [] __do_fault+0x223/0x500 [ 966.509868] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 966.509876] [] ? generic_file_readonly_mmap+0x190/0x190 [ 966.509884] [] handle_mm_fault+0x1326/0x2350 [ 966.509892] [] ? vm_insert_page+0x6f0/0x6f0 [ 966.509902] [] ? kvm_clock_read+0x23/0x40 [ 966.509909] [] ? kvm_clock_get_cycles+0x9/0x10 [ 966.509927] [] __do_page_fault+0x403/0xa60 [ 966.509935] [] ? bad_area_access_error+0x3a0/0x3a0 [ 966.509946] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 966.509953] [] do_page_fault+0x27/0x30 [ 966.509962] [] page_fault+0x25/0x30 [ 966.509966] Mem-Info: [ 966.509984] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 966.509984] active_file:0 inactive_file:41 isolated_file:0 [ 966.509984] unevictable:0 dirty:0 writeback:0 unstable:0 [ 966.509984] slab_reclaimable:4627 slab_unreclaimable:57011 [ 966.509984] mapped:5 shmem:48 pagetables:361 bounce:0 [ 966.509984] free:5999 free_pcp:107 free_cma:0 [ 966.509998] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 966.510018] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 966.510046] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 966.510106] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 966.510153] 0 pages in swap cache [ 966.510157] Swap cache stats: add 0, delete 0, find 0/0 [ 966.510160] Free swap = 0kB [ 966.510162] Total swap = 0kB [ 966.510164] 1965979 pages RAM [ 966.510167] 0 pages HighMem/MovableOnly [ 966.510169] 313617 pages reserved [ 966.633685] udevd: page allocation stalls for 140040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 966.633695] CPU: 1 PID: 588 Comm: udevd Not tainted 4.9.141+ #23 [ 966.633711] ffff8801cfd577c0 ffffffff81b42e79 1ffff10039faaefa ffff8801cfe697c0 [ 966.633722] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfd57908 [ 966.633733] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 966.633735] Call Trace: [ 966.633751] [] dump_stack+0xc1/0x128 [ 966.633760] [] warn_alloc.cold.31+0x7f/0x9c [ 966.633770] [] ? zone_watermark_ok_safe+0x250/0x250 [ 966.633779] [] ? shrink_node+0x740/0x740 [ 966.633789] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 966.633797] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 966.633807] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 966.633816] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 966.633823] [] ? find_get_entry+0x11a/0x570 [ 966.633831] [] ? find_get_entry+0x141/0x570 [ 966.633838] [] ? page_cache_prev_hole+0x80/0x80 [ 966.633846] [] ? pagecache_get_page+0x131/0x710 [ 966.633854] [] filemap_fault+0xaf1/0x1110 [ 966.633863] [] ext4_filemap_fault+0x71/0xa0 [ 966.633871] [] __do_fault+0x223/0x500 [ 966.633878] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 966.633887] [] ? generic_file_readonly_mmap+0x190/0x190 [ 966.633895] [] handle_mm_fault+0x1326/0x2350 [ 966.633903] [] ? ep_poll+0x18f/0xb20 [ 966.633911] [] ? vm_insert_page+0x6f0/0x6f0 [ 966.633928] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 966.633939] [] __do_page_fault+0x403/0xa60 [ 966.633947] [] ? __fget_light+0x169/0x1f0 [ 966.633955] [] ? bad_area_access_error+0x3a0/0x3a0 [ 966.633964] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 966.633971] [] do_page_fault+0x27/0x30 [ 966.633979] [] page_fault+0x25/0x30 [ 966.633983] Mem-Info: [ 966.634001] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 966.634001] active_file:0 inactive_file:41 isolated_file:0 [ 966.634001] unevictable:0 dirty:0 writeback:0 unstable:0 [ 966.634001] slab_reclaimable:4627 slab_unreclaimable:57011 [ 966.634001] mapped:5 shmem:48 pagetables:361 bounce:0 [ 966.634001] free:5999 free_pcp:107 free_cma:0 [ 966.634015] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 966.634035] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 966.634076] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 966.634156] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 966.634225] 0 pages in swap cache [ 966.634229] Swap cache stats: add 0, delete 0, find 0/0 [ 966.634231] Free swap = 0kB [ 966.634233] Total swap = 0kB [ 966.634235] 1965979 pages RAM [ 966.634237] 0 pages HighMem/MovableOnly [ 966.634239] 313617 pages reserved [ 966.945160] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 966.945160] to free 108kB on behalf of 'syz-execprog' (2171) because [ 966.945160] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 966.945160] Free memory is -13508kB above reserved [ 967.954627] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 967.954627] to free 108kB on behalf of 'syz-execprog' (2163) because [ 967.954627] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 967.954627] Free memory is -13508kB above reserved [ 968.966642] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 968.966642] to free 108kB on behalf of 'syz-execprog' (2156) because [ 968.966642] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 968.966642] Free memory is -13508kB above reserved [ 969.348751] init: page allocation stalls for 200030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 969.348761] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 969.348777] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 969.348788] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 969.348812] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 969.348814] Call Trace: [ 969.348829] [] dump_stack+0xc1/0x128 [ 969.348840] [] warn_alloc.cold.31+0x7f/0x9c [ 969.348850] [] ? zone_watermark_ok_safe+0x250/0x250 [ 969.348860] [] ? shrink_node+0x740/0x740 [ 969.348869] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 969.348878] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 969.348898] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 969.348906] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 969.348913] [] ? find_get_entry+0x11a/0x570 [ 969.348920] [] ? find_get_entry+0x141/0x570 [ 969.348927] [] ? page_cache_prev_hole+0x80/0x80 [ 969.348935] [] ? pagecache_get_page+0x131/0x710 [ 969.348942] [] filemap_fault+0xaf1/0x1110 [ 969.348951] [] ext4_filemap_fault+0x71/0xa0 [ 969.348970] [] __do_fault+0x223/0x500 [ 969.348990] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 969.348998] [] ? generic_file_readonly_mmap+0x190/0x190 [ 969.349006] [] handle_mm_fault+0x1326/0x2350 [ 969.349014] [] ? vm_insert_page+0x6f0/0x6f0 [ 969.349024] [] ? kvm_clock_get_cycles+0x9/0x10 [ 969.349034] [] __do_page_fault+0x403/0xa60 [ 969.349042] [] ? bad_area_access_error+0x3a0/0x3a0 [ 969.349052] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 969.349059] [] do_page_fault+0x27/0x30 [ 969.349068] [] page_fault+0x25/0x30 [ 969.349072] Mem-Info: [ 969.349090] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 969.349090] active_file:0 inactive_file:41 isolated_file:0 [ 969.349090] unevictable:0 dirty:0 writeback:0 unstable:0 [ 969.349090] slab_reclaimable:4627 slab_unreclaimable:57011 [ 969.349090] mapped:5 shmem:48 pagetables:361 bounce:0 [ 969.349090] free:5999 free_pcp:107 free_cma:0 [ 969.349104] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 969.349124] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 969.349152] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 969.349211] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 969.349258] 0 pages in swap cache [ 969.349262] Swap cache stats: add 0, delete 0, find 0/0 [ 969.349264] Free swap = 0kB [ 969.349266] Total swap = 0kB [ 969.349269] 1965979 pages RAM [ 969.349271] 0 pages HighMem/MovableOnly [ 969.349273] 313617 pages reserved [ 969.977850] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 969.977850] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 969.977850] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 969.977850] Free memory is -13508kB above reserved [ 970.986082] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 970.986082] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 970.986082] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 970.986082] Free memory is -13508kB above reserved [ 970.986094] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 970.986094] to free 108kB on behalf of 'udevd' (588) because [ 970.986094] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 970.986094] Free memory is -13508kB above reserved [ 972.004623] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 972.004623] to free 108kB on behalf of 'init' (1) because [ 972.004623] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 972.004623] Free memory is -13508kB above reserved [ 972.004635] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 972.004635] to free 108kB on behalf of 'udevd' (588) because [ 972.004635] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 972.004635] Free memory is -13508kB above reserved [ 973.014620] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 973.014620] to free 108kB on behalf of 'syz-execprog' (2163) because [ 973.014620] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 973.014620] Free memory is -13508kB above reserved [ 973.014632] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 973.014632] to free 108kB on behalf of 'syz-execprog' (2156) because [ 973.014632] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 973.014632] Free memory is -13508kB above reserved [ 974.028876] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 974.028876] to free 108kB on behalf of 'syz-execprog' (2163) because [ 974.028876] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 974.028876] Free memory is -13508kB above reserved [ 975.034617] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 975.034617] to free 108kB on behalf of 'syz-execprog' (2156) because [ 975.034617] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 975.034617] Free memory is -13508kB above reserved [ 975.034629] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 975.034629] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 975.034629] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 975.034629] Free memory is -13508kB above reserved [ 975.329669] cron: page allocation stalls for 190170ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 975.329678] CPU: 1 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 975.329695] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 975.329706] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 975.329717] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 975.329719] Call Trace: [ 975.329734] [] dump_stack+0xc1/0x128 [ 975.329744] [] warn_alloc.cold.31+0x7f/0x9c [ 975.329755] [] ? zone_watermark_ok_safe+0x250/0x250 [ 975.329764] [] ? shrink_node+0x740/0x740 [ 975.329773] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 975.329782] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 975.329791] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 975.329800] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 975.329808] [] ? find_get_entry+0x11a/0x570 [ 975.329816] [] ? find_get_entry+0x141/0x570 [ 975.329823] [] ? page_cache_prev_hole+0x80/0x80 [ 975.329831] [] ? pagecache_get_page+0x131/0x710 [ 975.329839] [] filemap_fault+0xaf1/0x1110 [ 975.329849] [] ext4_filemap_fault+0x71/0xa0 [ 975.329856] [] __do_fault+0x223/0x500 [ 975.329863] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 975.329872] [] ? generic_file_readonly_mmap+0x190/0x190 [ 975.329880] [] handle_mm_fault+0x1326/0x2350 [ 975.329888] [] ? vm_insert_page+0x6f0/0x6f0 [ 975.329896] [] ? hrtimer_nanosleep+0x38c/0x550 [ 975.329906] [] __do_page_fault+0x403/0xa60 [ 975.329914] [] ? bad_area_access_error+0x3a0/0x3a0 [ 975.329933] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 975.329941] [] do_page_fault+0x27/0x30 [ 975.329950] [] page_fault+0x25/0x30 [ 975.329954] Mem-Info: [ 975.329972] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 975.329972] active_file:0 inactive_file:41 isolated_file:0 [ 975.329972] unevictable:0 dirty:0 writeback:0 unstable:0 [ 975.329972] slab_reclaimable:4627 slab_unreclaimable:57011 [ 975.329972] mapped:5 shmem:48 pagetables:361 bounce:0 [ 975.329972] free:5999 free_pcp:107 free_cma:0 [ 975.329986] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 975.330006] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 975.330034] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 975.330094] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 975.330141] 0 pages in swap cache [ 975.330145] Swap cache stats: add 0, delete 0, find 0/0 [ 975.330147] Free swap = 0kB [ 975.330150] Total swap = 0kB [ 975.330152] 1965979 pages RAM [ 975.330154] 0 pages HighMem/MovableOnly [ 975.330156] 313617 pages reserved [ 975.862124] syz-execprog: page allocation stalls for 210010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 975.862134] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 975.862151] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 975.862162] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 975.862173] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 975.862175] Call Trace: [ 975.862191] [] dump_stack+0xc1/0x128 [ 975.862201] [] warn_alloc.cold.31+0x7f/0x9c [ 975.862212] [] ? zone_watermark_ok_safe+0x250/0x250 [ 975.862221] [] ? shrink_node+0x740/0x740 [ 975.862230] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 975.862238] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 975.862248] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 975.862257] [] ? check_preemption_disabled+0x3b/0x200 [ 975.862265] [] ? find_get_entry+0x11a/0x570 [ 975.862273] [] ? find_get_entry+0x141/0x570 [ 975.862280] [] ? page_cache_prev_hole+0x80/0x80 [ 975.862288] [] ? trace_hardirqs_on+0x10/0x10 [ 975.862296] [] ? pagecache_get_page+0x131/0x710 [ 975.862304] [] filemap_fault+0xaf1/0x1110 [ 975.862313] [] ext4_filemap_fault+0x71/0xa0 [ 975.862321] [] __do_fault+0x223/0x500 [ 975.862328] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 975.862336] [] ? handle_mm_fault+0x1d4f/0x2350 [ 975.862344] [] handle_mm_fault+0x1326/0x2350 [ 975.862354] [] ? poll_select_set_timeout+0xb5/0x120 [ 975.862362] [] ? vm_insert_page+0x6f0/0x6f0 [ 975.862372] [] __do_page_fault+0x403/0xa60 [ 975.862380] [] ? __fget_light+0x169/0x1f0 [ 975.862388] [] ? bad_area_access_error+0x3a0/0x3a0 [ 975.862399] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 975.862406] [] do_page_fault+0x27/0x30 [ 975.862415] [] page_fault+0x25/0x30 [ 975.862419] Mem-Info: [ 975.862438] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 975.862438] active_file:0 inactive_file:41 isolated_file:0 [ 975.862438] unevictable:0 dirty:0 writeback:0 unstable:0 [ 975.862438] slab_reclaimable:4627 slab_unreclaimable:57011 [ 975.862438] mapped:5 shmem:48 pagetables:361 bounce:0 [ 975.862438] free:5999 free_pcp:107 free_cma:0 [ 975.862451] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 975.862472] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 975.862500] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 975.862560] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 975.862607] 0 pages in swap cache [ 975.862611] Swap cache stats: add 0, delete 0, find 0/0 [ 975.862613] Free swap = 0kB [ 975.862616] Total swap = 0kB [ 975.862618] 1965979 pages RAM [ 975.862621] 0 pages HighMem/MovableOnly [ 975.862623] 313617 pages reserved [ 975.939797] syz-execprog: page allocation stalls for 210020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 975.939806] CPU: 1 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 975.939823] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 975.939833] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 975.939844] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 975.939846] Call Trace: [ 975.939861] [] dump_stack+0xc1/0x128 [ 975.939872] [] warn_alloc.cold.31+0x7f/0x9c [ 975.939882] [] ? zone_watermark_ok_safe+0x250/0x250 [ 975.939891] [] ? shrink_node+0x740/0x740 [ 975.939901] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 975.939910] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 975.939926] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 975.939934] [] ? find_get_entry+0x11a/0x570 [ 975.939941] [] ? find_get_entry+0x141/0x570 [ 975.939949] [] ? page_cache_prev_hole+0x80/0x80 [ 975.939958] [] ? autoremove_wake_function+0x40/0x40 [ 975.939966] [] ? pagecache_get_page+0x131/0x710 [ 975.939974] [] filemap_fault+0xaf1/0x1110 [ 975.939983] [] ext4_filemap_fault+0x71/0xa0 [ 975.939991] [] __do_fault+0x223/0x500 [ 975.939998] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 975.940007] [] ? generic_file_readonly_mmap+0x190/0x190 [ 975.940015] [] handle_mm_fault+0x1326/0x2350 [ 975.940024] [] ? poll_select_set_timeout+0xb5/0x120 [ 975.940032] [] ? vm_insert_page+0x6f0/0x6f0 [ 975.940040] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 975.940050] [] __do_page_fault+0x403/0xa60 [ 975.940059] [] ? __fget_light+0x169/0x1f0 [ 975.940067] [] ? bad_area_access_error+0x3a0/0x3a0 [ 975.940077] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 975.940084] [] do_page_fault+0x27/0x30 [ 975.940093] [] page_fault+0x25/0x30 [ 975.940097] Mem-Info: [ 975.940115] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 975.940115] active_file:0 inactive_file:41 isolated_file:0 [ 975.940115] unevictable:0 dirty:0 writeback:0 unstable:0 [ 975.940115] slab_reclaimable:4627 slab_unreclaimable:57011 [ 975.940115] mapped:5 shmem:48 pagetables:361 bounce:0 [ 975.940115] free:5999 free_pcp:107 free_cma:0 [ 975.940130] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 975.940150] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 975.940179] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 975.940239] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 975.940286] 0 pages in swap cache [ 975.940291] Swap cache stats: add 0, delete 0, find 0/0 [ 975.940293] Free swap = 0kB [ 975.940295] Total swap = 0kB [ 975.940298] 1965979 pages RAM [ 975.940300] 0 pages HighMem/MovableOnly [ 975.940302] 313617 pages reserved [ 975.949864] syz-execprog: page allocation stalls for 210020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 975.949872] CPU: 1 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 975.949885] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 975.949896] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 975.949906] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 975.949908] Call Trace: [ 975.949926] [] dump_stack+0xc1/0x128 [ 975.949935] [] warn_alloc.cold.31+0x7f/0x9c [ 975.949944] [] ? zone_watermark_ok_safe+0x250/0x250 [ 975.949952] [] ? shrink_node+0x740/0x740 [ 975.949961] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 975.949969] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 975.949978] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 975.949986] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 975.949994] [] ? find_get_entry+0x11a/0x570 [ 975.950001] [] ? find_get_entry+0x141/0x570 [ 975.950009] [] ? page_cache_prev_hole+0x80/0x80 [ 975.950017] [] ? autoremove_wake_function+0x40/0x40 [ 975.950025] [] ? pagecache_get_page+0x131/0x710 [ 975.950032] [] filemap_fault+0xaf1/0x1110 [ 975.950041] [] ext4_filemap_fault+0x71/0xa0 [ 975.950048] [] __do_fault+0x223/0x500 [ 975.950055] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 975.950063] [] ? generic_file_readonly_mmap+0x190/0x190 [ 975.950071] [] handle_mm_fault+0x1326/0x2350 [ 975.950078] [] ? vm_insert_page+0x6f0/0x6f0 [ 975.950088] [] ? selinux_file_permission+0x82/0x470 [ 975.950098] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 975.950105] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 975.950114] [] __do_page_fault+0x403/0xa60 [ 975.950122] [] ? bad_area_access_error+0x3a0/0x3a0 [ 975.950131] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 975.950139] [] do_page_fault+0x27/0x30 [ 975.950146] [] page_fault+0x25/0x30 [ 975.950149] Mem-Info: [ 975.950166] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 975.950166] active_file:0 inactive_file:41 isolated_file:0 [ 975.950166] unevictable:0 dirty:0 writeback:0 unstable:0 [ 975.950166] slab_reclaimable:4627 slab_unreclaimable:57011 [ 975.950166] mapped:5 shmem:48 pagetables:361 bounce:0 [ 975.950166] free:5999 free_pcp:107 free_cma:0 [ 975.950180] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 975.950200] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 975.950228] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 975.950286] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 975.950332] 0 pages in swap cache [ 975.950337] Swap cache stats: add 0, delete 0, find 0/0 [ 975.950339] Free swap = 0kB [ 975.950341] Total swap = 0kB [ 975.950344] 1965979 pages RAM [ 975.950346] 0 pages HighMem/MovableOnly [ 975.950348] 313617 pages reserved [ 975.975819] blkid: page allocation stalls for 210060ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 975.975826] CPU: 1 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 975.975839] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 975.975848] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 975.975858] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 975.975859] Call Trace: [ 975.975870] [] dump_stack+0xc1/0x128 [ 975.975878] [] warn_alloc.cold.31+0x7f/0x9c [ 975.975886] [] ? zone_watermark_ok_safe+0x250/0x250 [ 975.975894] [] ? shrink_node+0x740/0x740 [ 975.975903] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 975.975913] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 975.975930] [] ? trace_hardirqs_on+0x10/0x10 [ 975.975938] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 975.975946] [] ? validate_mm+0x2f4/0x580 [ 975.975953] [] ? validate_mm+0x32e/0x580 [ 975.975960] [] __pmd_alloc+0x47/0x320 [ 975.975969] [] move_page_tables+0xa17/0xc70 [ 975.975979] [] shift_arg_pages+0x1a8/0x430 [ 975.975987] [] ? put_arg_page+0xd0/0xd0 [ 975.975996] [] ? setup_arg_pages+0x27f/0x7b0 [ 975.976004] [] setup_arg_pages+0x5fa/0x7b0 [ 975.976012] [] ? shift_arg_pages+0x430/0x430 [ 975.976022] [] load_elf_binary+0xaaa/0x4bc0 [ 975.976030] [] ? trace_hardirqs_on+0x10/0x10 [ 975.976038] [] ? audit_inode_permission+0x310/0x310 [ 975.976047] [] ? elf_core_dump+0x4330/0x4330 [ 975.976055] [] ? search_binary_handler+0xff/0x6f0 [ 975.976064] [] search_binary_handler+0x14f/0x6f0 [ 975.976073] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 975.976082] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 975.976091] [] ? prepare_bprm_creds+0x110/0x110 [ 975.976099] [] ? getname_flags+0x229/0x550 [ 975.976108] [] SyS_execve+0x42/0x50 [ 975.976116] [] ? setup_new_exec+0x830/0x830 [ 975.976123] [] do_syscall_64+0x19f/0x550 [ 975.976132] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 975.976135] Mem-Info: [ 975.976152] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 975.976152] active_file:0 inactive_file:41 isolated_file:0 [ 975.976152] unevictable:0 dirty:0 writeback:0 unstable:0 [ 975.976152] slab_reclaimable:4627 slab_unreclaimable:57011 [ 975.976152] mapped:5 shmem:48 pagetables:361 bounce:0 [ 975.976152] free:5999 free_pcp:107 free_cma:0 [ 975.976166] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 975.976186] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 975.976214] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 975.976272] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 975.976318] 0 pages in swap cache [ 975.976322] Swap cache stats: add 0, delete 0, find 0/0 [ 975.976324] Free swap = 0kB [ 975.976326] Total swap = 0kB [ 975.976329] 1965979 pages RAM [ 975.976331] 0 pages HighMem/MovableOnly [ 975.976333] 313617 pages reserved [ 976.044618] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 976.044618] to free 108kB on behalf of 'syz-execprog' (2171) because [ 976.044618] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 976.044618] Free memory is -13508kB above reserved [ 976.077475] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 976.077475] to free 108kB on behalf of 'syz-execprog' (2156) because [ 976.077475] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 976.077475] Free memory is -13508kB above reserved [ 976.343759] udevd: page allocation stalls for 210030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 976.343768] CPU: 1 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 976.343784] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 976.343794] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 976.343804] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 976.343806] Call Trace: [ 976.343821] [] dump_stack+0xc1/0x128 [ 976.343832] [] warn_alloc.cold.31+0x7f/0x9c [ 976.343842] [] ? zone_watermark_ok_safe+0x250/0x250 [ 976.343850] [] ? shrink_node+0x740/0x740 [ 976.343859] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 976.343868] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 976.343877] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 976.343885] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 976.343893] [] ? find_get_entry+0x11a/0x570 [ 976.343900] [] ? find_get_entry+0x141/0x570 [ 976.343907] [] ? page_cache_prev_hole+0x80/0x80 [ 976.343915] [] ? autoremove_wake_function+0x40/0x40 [ 976.343930] [] ? pagecache_get_page+0x131/0x710 [ 976.343938] [] filemap_fault+0xaf1/0x1110 [ 976.343947] [] ext4_filemap_fault+0x71/0xa0 [ 976.343954] [] __do_fault+0x223/0x500 [ 976.343961] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 976.343969] [] ? generic_file_readonly_mmap+0x190/0x190 [ 976.343976] [] handle_mm_fault+0x1326/0x2350 [ 976.343984] [] ? vm_insert_page+0x6f0/0x6f0 [ 976.343991] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 976.344000] [] __do_page_fault+0x403/0xa60 [ 976.344008] [] ? bad_area_access_error+0x3a0/0x3a0 [ 976.344018] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 976.344025] [] do_page_fault+0x27/0x30 [ 976.344033] [] page_fault+0x25/0x30 [ 976.344037] Mem-Info: [ 976.344054] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 976.344054] active_file:0 inactive_file:41 isolated_file:0 [ 976.344054] unevictable:0 dirty:0 writeback:0 unstable:0 [ 976.344054] slab_reclaimable:4627 slab_unreclaimable:57011 [ 976.344054] mapped:5 shmem:48 pagetables:361 bounce:0 [ 976.344054] free:5999 free_pcp:107 free_cma:0 [ 976.344068] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 976.344086] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 976.344113] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 976.344168] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 976.344211] 0 pages in swap cache [ 976.344215] Swap cache stats: add 0, delete 0, find 0/0 [ 976.344217] Free swap = 0kB [ 976.344219] Total swap = 0kB [ 976.344222] 1965979 pages RAM [ 976.344224] 0 pages HighMem/MovableOnly [ 976.344226] 313617 pages reserved [ 976.515230] syz-execprog: page allocation stalls for 210030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 976.515240] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 976.515257] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 976.515268] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 976.515278] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 976.515280] Call Trace: [ 976.515296] [] dump_stack+0xc1/0x128 [ 976.515306] [] warn_alloc.cold.31+0x7f/0x9c [ 976.515316] [] ? zone_watermark_ok_safe+0x250/0x250 [ 976.515325] [] ? shrink_node+0x740/0x740 [ 976.515335] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 976.515343] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 976.515352] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 976.515361] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 976.515369] [] ? find_get_entry+0x11a/0x570 [ 976.515377] [] ? find_get_entry+0x141/0x570 [ 976.515385] [] ? page_cache_prev_hole+0x80/0x80 [ 976.515394] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 976.515402] [] ? pagecache_get_page+0x131/0x710 [ 976.515410] [] filemap_fault+0xaf1/0x1110 [ 976.515419] [] ext4_filemap_fault+0x71/0xa0 [ 976.515425] [] __do_fault+0x223/0x500 [ 976.515432] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 976.515441] [] ? generic_file_readonly_mmap+0x190/0x190 [ 976.515449] [] handle_mm_fault+0x1326/0x2350 [ 976.515457] [] ? vm_insert_page+0x6f0/0x6f0 [ 976.515466] [] ? kvm_clock_read+0x23/0x40 [ 976.515474] [] ? kvm_clock_get_cycles+0x9/0x10 [ 976.515483] [] __do_page_fault+0x403/0xa60 [ 976.515491] [] ? bad_area_access_error+0x3a0/0x3a0 [ 976.515502] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 976.515509] [] do_page_fault+0x27/0x30 [ 976.515518] [] page_fault+0x25/0x30 [ 976.515522] Mem-Info: [ 976.515540] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 976.515540] active_file:0 inactive_file:41 isolated_file:0 [ 976.515540] unevictable:0 dirty:0 writeback:0 unstable:0 [ 976.515540] slab_reclaimable:4627 slab_unreclaimable:57011 [ 976.515540] mapped:5 shmem:48 pagetables:361 bounce:0 [ 976.515540] free:5999 free_pcp:107 free_cma:0 [ 976.515554] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 976.515574] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 976.515602] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 976.515662] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 976.515709] 0 pages in swap cache [ 976.515713] Swap cache stats: add 0, delete 0, find 0/0 [ 976.515716] Free swap = 0kB [ 976.515718] Total swap = 0kB [ 976.515720] 1965979 pages RAM [ 976.515723] 0 pages HighMem/MovableOnly [ 976.515725] 313617 pages reserved [ 976.594890] udevd: page allocation stalls for 150010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 976.594899] CPU: 1 PID: 588 Comm: udevd Not tainted 4.9.141+ #23 [ 976.594916] ffff8801cfd577c0 ffffffff81b42e79 1ffff10039faaefa ffff8801cfe697c0 [ 976.594937] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfd57908 [ 976.594947] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 976.594949] Call Trace: [ 976.594965] [] dump_stack+0xc1/0x128 [ 976.594975] [] warn_alloc.cold.31+0x7f/0x9c [ 976.594985] [] ? zone_watermark_ok_safe+0x250/0x250 [ 976.594994] [] ? shrink_node+0x740/0x740 [ 976.595004] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 976.595013] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 976.595022] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 976.595031] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 976.595039] [] ? find_get_entry+0x11a/0x570 [ 976.595046] [] ? find_get_entry+0x141/0x570 [ 976.595054] [] ? page_cache_prev_hole+0x80/0x80 [ 976.595062] [] ? pagecache_get_page+0x131/0x710 [ 976.595070] [] filemap_fault+0xaf1/0x1110 [ 976.595080] [] ext4_filemap_fault+0x71/0xa0 [ 976.595087] [] __do_fault+0x223/0x500 [ 976.595094] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 976.595103] [] ? generic_file_readonly_mmap+0x190/0x190 [ 976.595111] [] handle_mm_fault+0x1326/0x2350 [ 976.595120] [] ? ep_poll+0x18f/0xb20 [ 976.595127] [] ? vm_insert_page+0x6f0/0x6f0 [ 976.595136] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 976.595145] [] __do_page_fault+0x403/0xa60 [ 976.595154] [] ? __fget_light+0x169/0x1f0 [ 976.595162] [] ? bad_area_access_error+0x3a0/0x3a0 [ 976.595172] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 976.595179] [] do_page_fault+0x27/0x30 [ 976.595188] [] page_fault+0x25/0x30 [ 976.595192] Mem-Info: [ 976.595210] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 976.595210] active_file:0 inactive_file:41 isolated_file:0 [ 976.595210] unevictable:0 dirty:0 writeback:0 unstable:0 [ 976.595210] slab_reclaimable:4627 slab_unreclaimable:57011 [ 976.595210] mapped:5 shmem:48 pagetables:361 bounce:0 [ 976.595210] free:5999 free_pcp:107 free_cma:0 [ 976.595224] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 976.595244] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 976.595272] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 976.595332] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 976.595379] 0 pages in swap cache [ 976.595384] Swap cache stats: add 0, delete 0, find 0/0 [ 976.595386] Free swap = 0kB [ 976.595388] Total swap = 0kB [ 976.595391] 1965979 pages RAM [ 976.595393] 0 pages HighMem/MovableOnly [ 976.595396] 313617 pages reserved [ 977.084572] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 977.084572] to free 108kB on behalf of 'blkid' (2353) because [ 977.084572] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 977.084572] Free memory is -13508kB above reserved [ 977.084584] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 977.084584] to free 108kB on behalf of 'cron' (1948) because [ 977.084584] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 977.084584] Free memory is -13508kB above reserved [ 978.094673] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 978.094673] to free 108kB on behalf of 'syz-execprog' (2156) because [ 978.094673] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 978.094673] Free memory is -13508kB above reserved [ 978.094686] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 978.094686] to free 108kB on behalf of 'blkid' (2353) because [ 978.094686] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 978.094686] Free memory is -13508kB above reserved [ 979.104669] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 979.104669] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 979.104669] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 979.104669] Free memory is -13508kB above reserved [ 979.104681] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 979.104681] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 979.104681] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 979.104681] Free memory is -13508kB above reserved [ 979.345248] init: page allocation stalls for 210030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 979.345257] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 979.345273] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 979.345284] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 979.345295] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 979.345297] Call Trace: [ 979.345316] [] dump_stack+0xc1/0x128 [ 979.345326] [] warn_alloc.cold.31+0x7f/0x9c [ 979.345337] [] ? zone_watermark_ok_safe+0x250/0x250 [ 979.345346] [] ? shrink_node+0x740/0x740 [ 979.345355] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 979.345365] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 979.345374] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 979.345383] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 979.345392] [] ? find_get_entry+0x11a/0x570 [ 979.345400] [] ? find_get_entry+0x141/0x570 [ 979.345407] [] ? page_cache_prev_hole+0x80/0x80 [ 979.345416] [] ? pagecache_get_page+0x131/0x710 [ 979.345432] [] filemap_fault+0xaf1/0x1110 [ 979.345443] [] ext4_filemap_fault+0x71/0xa0 [ 979.345451] [] __do_fault+0x223/0x500 [ 979.345458] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 979.345467] [] ? generic_file_readonly_mmap+0x190/0x190 [ 979.345475] [] handle_mm_fault+0x1326/0x2350 [ 979.345483] [] ? vm_insert_page+0x6f0/0x6f0 [ 979.345493] [] ? kvm_clock_get_cycles+0x9/0x10 [ 979.345503] [] __do_page_fault+0x403/0xa60 [ 979.345511] [] ? bad_area_access_error+0x3a0/0x3a0 [ 979.345521] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 979.345529] [] do_page_fault+0x27/0x30 [ 979.345539] [] page_fault+0x25/0x30 [ 979.345543] Mem-Info: [ 979.345561] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 979.345561] active_file:0 inactive_file:41 isolated_file:0 [ 979.345561] unevictable:0 dirty:0 writeback:0 unstable:0 [ 979.345561] slab_reclaimable:4627 slab_unreclaimable:57011 [ 979.345561] mapped:5 shmem:48 pagetables:361 bounce:0 [ 979.345561] free:5999 free_pcp:107 free_cma:0 [ 979.345576] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 979.345596] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 979.345624] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 979.345687] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 979.345734] 0 pages in swap cache [ 979.345739] Swap cache stats: add 0, delete 0, find 0/0 [ 979.345741] Free swap = 0kB [ 979.345744] Total swap = 0kB [ 979.345746] 1965979 pages RAM [ 979.345748] 0 pages HighMem/MovableOnly [ 979.345751] 313617 pages reserved [ 980.114629] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 980.114629] to free 108kB on behalf of 'init' (1) because [ 980.114629] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 980.114629] Free memory is -13508kB above reserved [ 980.114641] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 980.114641] to free 108kB on behalf of 'syz-execprog' (2156) because [ 980.114641] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 980.114641] Free memory is -13508kB above reserved [ 981.124667] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 981.124667] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 981.124667] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 981.124667] Free memory is -13508kB above reserved [ 982.134624] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 982.134624] to free 108kB on behalf of 'syz-execprog' (2156) because [ 982.134624] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 982.134624] Free memory is -13508kB above reserved [ 982.134639] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 982.134639] to free 108kB on behalf of 'syz-execprog' (2171) because [ 982.134639] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 982.134639] Free memory is -13508kB above reserved [ 983.144586] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 983.144586] to free 108kB on behalf of 'blkid' (2353) because [ 983.144586] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 983.144586] Free memory is -13508kB above reserved [ 983.144602] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 983.144602] to free 108kB on behalf of 'syz-execprog' (2156) because [ 983.144602] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 983.144602] Free memory is -13508kB above reserved [ 984.156701] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 984.156701] to free 108kB on behalf of 'udevd' (588) because [ 984.156701] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 984.156701] Free memory is -13508kB above reserved [ 985.164619] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 985.164619] to free 108kB on behalf of 'syz-execprog' (2160) because [ 985.164619] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 985.164619] Free memory is -13508kB above reserved [ 985.225394] cron: page allocation stalls for 200070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 985.225403] CPU: 0 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 985.225426] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 985.225438] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 985.225448] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 985.225450] Call Trace: [ 985.225465] [] dump_stack+0xc1/0x128 [ 985.225476] [] warn_alloc.cold.31+0x7f/0x9c [ 985.225486] [] ? zone_watermark_ok_safe+0x250/0x250 [ 985.225495] [] ? shrink_node+0x740/0x740 [ 985.225505] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 985.225513] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 985.225523] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 985.225531] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 985.225539] [] ? find_get_entry+0x11a/0x570 [ 985.225547] [] ? find_get_entry+0x141/0x570 [ 985.225554] [] ? page_cache_prev_hole+0x80/0x80 [ 985.225562] [] ? pagecache_get_page+0x131/0x710 [ 985.225570] [] filemap_fault+0xaf1/0x1110 [ 985.225579] [] ext4_filemap_fault+0x71/0xa0 [ 985.225587] [] __do_fault+0x223/0x500 [ 985.225594] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 985.225602] [] ? generic_file_readonly_mmap+0x190/0x190 [ 985.225610] [] handle_mm_fault+0x1326/0x2350 [ 985.225618] [] ? vm_insert_page+0x6f0/0x6f0 [ 985.225627] [] ? hrtimer_nanosleep+0x38c/0x550 [ 985.225636] [] __do_page_fault+0x403/0xa60 [ 985.225645] [] ? bad_area_access_error+0x3a0/0x3a0 [ 985.225655] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 985.225662] [] do_page_fault+0x27/0x30 [ 985.225671] [] page_fault+0x25/0x30 [ 985.225675] Mem-Info: [ 985.225694] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 985.225694] active_file:0 inactive_file:41 isolated_file:0 [ 985.225694] unevictable:0 dirty:0 writeback:0 unstable:0 [ 985.225694] slab_reclaimable:4627 slab_unreclaimable:57011 [ 985.225694] mapped:5 shmem:48 pagetables:361 bounce:0 [ 985.225694] free:5999 free_pcp:107 free_cma:0 [ 985.225708] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 985.225727] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 985.225755] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 985.225815] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 985.225885] 0 pages in swap cache [ 985.225902] Swap cache stats: add 0, delete 0, find 0/0 [ 985.225904] Free swap = 0kB [ 985.225906] Total swap = 0kB [ 985.225908] 1965979 pages RAM [ 985.225910] 0 pages HighMem/MovableOnly [ 985.225913] 313617 pages reserved [ 985.939165] syz-execprog: page allocation stalls for 220010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 985.939174] CPU: 0 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 985.939191] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 985.939202] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 985.939213] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 985.939215] Call Trace: [ 985.939244] [] dump_stack+0xc1/0x128 [ 985.939254] [] warn_alloc.cold.31+0x7f/0x9c [ 985.939264] [] ? zone_watermark_ok_safe+0x250/0x250 [ 985.939273] [] ? shrink_node+0x740/0x740 [ 985.939281] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 985.939301] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 985.939310] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 985.939318] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 985.939325] [] ? find_get_entry+0x11a/0x570 [ 985.939332] [] ? find_get_entry+0x141/0x570 [ 985.939339] [] ? page_cache_prev_hole+0x80/0x80 [ 985.939347] [] ? autoremove_wake_function+0x40/0x40 [ 985.939367] [] ? pagecache_get_page+0x131/0x710 [ 985.939386] [] filemap_fault+0xaf1/0x1110 [ 985.939396] [] ext4_filemap_fault+0x71/0xa0 [ 985.939404] [] __do_fault+0x223/0x500 [ 985.939411] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 985.939426] [] ? generic_file_readonly_mmap+0x190/0x190 [ 985.939435] [] handle_mm_fault+0x1326/0x2350 [ 985.939443] [] ? vm_insert_page+0x6f0/0x6f0 [ 985.939453] [] ? selinux_file_permission+0x82/0x470 [ 985.939463] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 985.939470] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 985.939480] [] __do_page_fault+0x403/0xa60 [ 985.939488] [] ? bad_area_access_error+0x3a0/0x3a0 [ 985.939498] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 985.939505] [] do_page_fault+0x27/0x30 [ 985.939514] [] page_fault+0x25/0x30 [ 985.939518] Mem-Info: [ 985.939536] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 985.939536] active_file:0 inactive_file:41 isolated_file:0 [ 985.939536] unevictable:0 dirty:0 writeback:0 unstable:0 [ 985.939536] slab_reclaimable:4627 slab_unreclaimable:57011 [ 985.939536] mapped:5 shmem:48 pagetables:361 bounce:0 [ 985.939536] free:5999 free_pcp:107 free_cma:0 [ 985.939550] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 985.939570] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 985.939598] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 985.939658] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB [ 985.939661] syz-execprog: [ 985.939661] = 18668kB page allocation stalls for 220090ms, order:0Normal: , mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) 268*4kB [ 985.939679] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 985.939685] (UMH) 154*8kB ffff8801ca8bf7c0 [ 985.939689] (ME) ffffffff81b42e7981*16kB 1ffff10039517efa(MH) ffff8801cbe65f0038*32kB (UMH) ffffffff82a97480 [ 985.939709] 8*64kB 0000000000000001(UMH) 00000000004000000*128kB ffff8801ca8bf9080*256kB 0*512kB ffffffff814fc7c8 [ 985.939729] 0*1024kB 0000000041b58ab30*2048kB ffffffff82e37a100*4096kB ffffffff81427db0= 5328kB 90 total pagecache pages [ 985.939745] Call Trace: [ 985.939746] 0 pages in swap cache [ 985.939754] [] dump_stack+0xc1/0x128 [ 985.939758] Swap cache stats: add 0, delete 0, find 0/0 [ 985.939765] [] warn_alloc.cold.31+0x7f/0x9c [ 985.939767] Free swap = 0kB [ 985.939774] [] ? zone_watermark_ok_safe+0x250/0x250 [ 985.939776] Total swap = 0kB [ 985.939783] [] ? shrink_node+0x740/0x740 [ 985.939785] 1965979 pages RAM [ 985.939792] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 985.939794] 0 pages HighMem/MovableOnly [ 985.939801] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 985.939802] 313617 pages reserved [ 985.939810] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 985.939819] [] ? check_preemption_disabled+0x3b/0x200 [ 985.939826] [] ? find_get_entry+0x11a/0x570 [ 985.939833] [] ? find_get_entry+0x141/0x570 [ 985.939841] [] ? page_cache_prev_hole+0x80/0x80 [ 985.939849] [] ? trace_hardirqs_on+0x10/0x10 [ 985.939857] [] ? pagecache_get_page+0x131/0x710 [ 985.939865] [] filemap_fault+0xaf1/0x1110 [ 985.939873] [] ext4_filemap_fault+0x71/0xa0 [ 985.939880] [] __do_fault+0x223/0x500 [ 985.939887] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 985.939895] [] ? handle_mm_fault+0x1d4f/0x2350 [ 985.939903] [] handle_mm_fault+0x1326/0x2350 [ 985.939912] [] ? poll_select_set_timeout+0xb5/0x120 [ 985.939929] [] ? vm_insert_page+0x6f0/0x6f0 [ 985.939938] [] __do_page_fault+0x403/0xa60 [ 985.939946] [] ? __fget_light+0x169/0x1f0 [ 985.939954] [] ? bad_area_access_error+0x3a0/0x3a0 [ 985.939963] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 985.939971] [] do_page_fault+0x27/0x30 [ 985.939978] [] page_fault+0x25/0x30 [ 985.939981] Mem-Info: [ 985.939998] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 985.939998] active_file:0 inactive_file:41 isolated_file:0 [ 985.939998] unevictable:0 dirty:0 writeback:0 unstable:0 [ 985.939998] slab_reclaimable:4627 slab_unreclaimable:57011 [ 985.939998] mapped:5 shmem:48 pagetables:361 bounce:0 [ 985.939998] free:5999 free_pcp:107 free_cma:0 [ 985.940012] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 985.940031] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 985.940059] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 985.940118] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 985.940164] 0 pages in swap cache [ 985.940168] Swap cache stats: add 0, delete 0, find 0/0 [ 985.940171] Free swap = 0kB [ 985.940173] Total swap = 0kB [ 985.940175] 1965979 pages RAM [ 985.940178] 0 pages HighMem/MovableOnly [ 985.940180] 313617 pages reserved [ 985.959787] blkid: page allocation stalls for 220050ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 985.959795] CPU: 1 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 985.959810] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 985.959821] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 985.959831] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 985.959833] Call Trace: [ 985.959845] [] dump_stack+0xc1/0x128 [ 985.959854] [] warn_alloc.cold.31+0x7f/0x9c [ 985.959864] [] ? zone_watermark_ok_safe+0x250/0x250 [ 985.959872] [] ? shrink_node+0x740/0x740 [ 985.959882] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 985.959891] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 985.959899] [] ? trace_hardirqs_on+0x10/0x10 [ 985.959907] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 985.959916] [] ? validate_mm+0x2f4/0x580 [ 985.959932] [] ? validate_mm+0x32e/0x580 [ 985.959940] [] __pmd_alloc+0x47/0x320 [ 985.959949] [] move_page_tables+0xa17/0xc70 [ 985.959958] [] shift_arg_pages+0x1a8/0x430 [ 985.959967] [] ? put_arg_page+0xd0/0xd0 [ 985.959975] [] ? setup_arg_pages+0x27f/0x7b0 [ 985.959984] [] setup_arg_pages+0x5fa/0x7b0 [ 985.959992] [] ? shift_arg_pages+0x430/0x430 [ 985.960002] [] load_elf_binary+0xaaa/0x4bc0 [ 985.960010] [] ? trace_hardirqs_on+0x10/0x10 [ 985.960018] [] ? audit_inode_permission+0x310/0x310 [ 985.960026] [] ? elf_core_dump+0x4330/0x4330 [ 985.960035] [] ? search_binary_handler+0xff/0x6f0 [ 985.960044] [] search_binary_handler+0x14f/0x6f0 [ 985.960053] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 985.960062] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 985.960071] [] ? prepare_bprm_creds+0x110/0x110 [ 985.960079] [] ? getname_flags+0x229/0x550 [ 985.960087] [] SyS_execve+0x42/0x50 [ 985.960095] [] ? setup_new_exec+0x830/0x830 [ 985.960102] [] do_syscall_64+0x19f/0x550 [ 985.960111] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 985.960114] Mem-Info: [ 985.960131] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 985.960131] active_file:0 inactive_file:41 isolated_file:0 [ 985.960131] unevictable:0 dirty:0 writeback:0 unstable:0 [ 985.960131] slab_reclaimable:4627 slab_unreclaimable:57011 [ 985.960131] mapped:5 shmem:48 pagetables:361 bounce:0 [ 985.960131] free:5999 free_pcp:107 free_cma:0 [ 985.960145] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 985.960164] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 985.960192] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 985.960250] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 985.960296] 0 pages in swap cache [ 985.960300] Swap cache stats: add 0, delete 0, find 0/0 [ 985.960302] Free swap = 0kB [ 985.960304] Total swap = 0kB [ 985.960307] 1965979 pages RAM [ 985.960309] 0 pages HighMem/MovableOnly [ 985.960311] 313617 pages reserved [ 985.979202] syz-execprog: page allocation stalls for 220060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 985.979210] CPU: 0 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 985.979224] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 985.979234] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 985.979244] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 985.979246] Call Trace: [ 985.979257] [] dump_stack+0xc1/0x128 [ 985.979266] [] warn_alloc.cold.31+0x7f/0x9c [ 985.979275] [] ? zone_watermark_ok_safe+0x250/0x250 [ 985.979282] [] ? shrink_node+0x740/0x740 [ 985.979291] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 985.979300] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 985.979309] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 985.979316] [] ? find_get_entry+0x11a/0x570 [ 985.979323] [] ? find_get_entry+0x141/0x570 [ 985.979330] [] ? page_cache_prev_hole+0x80/0x80 [ 985.979339] [] ? autoremove_wake_function+0x40/0x40 [ 985.979346] [] ? pagecache_get_page+0x131/0x710 [ 985.979354] [] filemap_fault+0xaf1/0x1110 [ 985.979362] [] ext4_filemap_fault+0x71/0xa0 [ 985.979368] [] __do_fault+0x223/0x500 [ 985.979375] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 985.979383] [] ? generic_file_readonly_mmap+0x190/0x190 [ 985.979389] [] handle_mm_fault+0x1326/0x2350 [ 985.979401] [] ? poll_select_set_timeout+0xb5/0x120 [ 985.979408] [] ? vm_insert_page+0x6f0/0x6f0 [ 985.979416] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 985.979433] [] __do_page_fault+0x403/0xa60 [ 985.979441] [] ? __fget_light+0x169/0x1f0 [ 985.979449] [] ? bad_area_access_error+0x3a0/0x3a0 [ 985.979458] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 985.979465] [] do_page_fault+0x27/0x30 [ 985.979472] [] page_fault+0x25/0x30 [ 985.979476] Mem-Info: [ 985.979492] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 985.979492] active_file:0 inactive_file:41 isolated_file:0 [ 985.979492] unevictable:0 dirty:0 writeback:0 unstable:0 [ 985.979492] slab_reclaimable:4627 slab_unreclaimable:57011 [ 985.979492] mapped:5 shmem:48 pagetables:361 bounce:0 [ 985.979492] free:5999 free_pcp:107 free_cma:0 [ 985.979505] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 985.979523] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 985.979549] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 985.979610] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 985.979653] 0 pages in swap cache [ 985.979657] Swap cache stats: add 0, delete 0, find 0/0 [ 985.979659] Free swap = 0kB [ 985.979661] Total swap = 0kB [ 985.979664] 1965979 pages RAM [ 985.979666] 0 pages HighMem/MovableOnly [ 985.979668] 313617 pages reserved [ 986.174615] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 986.174615] to free 108kB on behalf of 'blkid' (2353) because [ 986.174615] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 986.174615] Free memory is -13508kB above reserved [ 986.174627] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 986.174627] to free 108kB on behalf of 'syz-execprog' (2160) because [ 986.174627] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 986.174627] Free memory is -13508kB above reserved [ 986.319034] udevd: page allocation stalls for 220030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 986.319042] CPU: 0 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 986.319057] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 986.319067] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 986.319077] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 986.319079] Call Trace: [ 986.319095] [] dump_stack+0xc1/0x128 [ 986.319104] [] warn_alloc.cold.31+0x7f/0x9c [ 986.319126] [] ? zone_watermark_ok_safe+0x250/0x250 [ 986.319134] [] ? shrink_node+0x740/0x740 [ 986.319143] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 986.319152] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 986.319161] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 986.319182] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 986.319189] [] ? find_get_entry+0x11a/0x570 [ 986.319197] [] ? find_get_entry+0x141/0x570 [ 986.319204] [] ? page_cache_prev_hole+0x80/0x80 [ 986.319214] [] ? autoremove_wake_function+0x40/0x40 [ 986.319221] [] ? pagecache_get_page+0x131/0x710 [ 986.319230] [] filemap_fault+0xaf1/0x1110 [ 986.319239] [] ext4_filemap_fault+0x71/0xa0 [ 986.319246] [] __do_fault+0x223/0x500 [ 986.319254] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 986.319263] [] ? generic_file_readonly_mmap+0x190/0x190 [ 986.319270] [] handle_mm_fault+0x1326/0x2350 [ 986.319278] [] ? vm_insert_page+0x6f0/0x6f0 [ 986.319286] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 986.319295] [] __do_page_fault+0x403/0xa60 [ 986.319303] [] ? bad_area_access_error+0x3a0/0x3a0 [ 986.319314] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 986.319321] [] do_page_fault+0x27/0x30 [ 986.319330] [] page_fault+0x25/0x30 [ 986.319333] Mem-Info: [ 986.319351] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 986.319351] active_file:0 inactive_file:41 isolated_file:0 [ 986.319351] unevictable:0 dirty:0 writeback:0 unstable:0 [ 986.319351] slab_reclaimable:4627 slab_unreclaimable:57011 [ 986.319351] mapped:5 shmem:48 pagetables:361 bounce:0 [ 986.319351] free:5999 free_pcp:107 free_cma:0 [ 986.319366] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 986.319385] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 986.319413] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 986.319481] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 986.319531] 0 pages in swap cache [ 986.319536] Swap cache stats: add 0, delete 0, find 0/0 [ 986.319538] Free swap = 0kB [ 986.319540] Total swap = 0kB [ 986.319543] 1965979 pages RAM [ 986.319545] 0 pages HighMem/MovableOnly [ 986.319548] 313617 pages reserved [ 986.535779] syz-execprog: page allocation stalls for 220040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 986.535788] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 986.535804] ffff8801cb6077c0 ffffffff81b42e79 1ffff100396c0efa ffff8801cab65f00 [ 986.535814] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cb607908 [ 986.535824] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 986.535825] Call Trace: [ 986.535842] [] dump_stack+0xc1/0x128 [ 986.535853] [] warn_alloc.cold.31+0x7f/0x9c [ 986.535863] [] ? zone_watermark_ok_safe+0x250/0x250 [ 986.535872] [] ? shrink_node+0x740/0x740 [ 986.535881] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 986.535889] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 986.535898] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 986.535906] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 986.535913] [] ? find_get_entry+0x11a/0x570 [ 986.535920] [] ? find_get_entry+0x141/0x570 [ 986.535927] [] ? page_cache_prev_hole+0x80/0x80 [ 986.535936] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 986.535943] [] ? pagecache_get_page+0x131/0x710 [ 986.535950] [] filemap_fault+0xaf1/0x1110 [ 986.535959] [] ext4_filemap_fault+0x71/0xa0 [ 986.535966] [] __do_fault+0x223/0x500 [ 986.535973] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 986.535982] [] ? generic_file_readonly_mmap+0x190/0x190 [ 986.535989] [] handle_mm_fault+0x1326/0x2350 [ 986.535997] [] ? vm_insert_page+0x6f0/0x6f0 [ 986.536005] [] ? kvm_clock_read+0x23/0x40 [ 986.536012] [] ? kvm_clock_get_cycles+0x9/0x10 [ 986.536020] [] __do_page_fault+0x403/0xa60 [ 986.536027] [] ? bad_area_access_error+0x3a0/0x3a0 [ 986.536037] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 986.536044] [] do_page_fault+0x27/0x30 [ 986.536052] [] page_fault+0x25/0x30 [ 986.536056] Mem-Info: [ 986.536073] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 986.536073] active_file:0 inactive_file:41 isolated_file:0 [ 986.536073] unevictable:0 dirty:0 writeback:0 unstable:0 [ 986.536073] slab_reclaimable:4627 slab_unreclaimable:57011 [ 986.536073] mapped:5 shmem:48 pagetables:361 bounce:0 [ 986.536073] free:5999 free_pcp:107 free_cma:0 [ 986.536086] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 986.536105] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 986.536131] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 986.536186] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 986.536229] 0 pages in swap cache [ 986.536233] Swap cache stats: add 0, delete 0, find 0/0 [ 986.536235] Free swap = 0kB [ 986.536237] Total swap = 0kB [ 986.536240] 1965979 pages RAM [ 986.536242] 0 pages HighMem/MovableOnly [ 986.536244] 313617 pages reserved [ 986.599623] udevd: page allocation stalls for 160010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 986.599632] CPU: 1 PID: 588 Comm: udevd Not tainted 4.9.141+ #23 [ 986.599651] ffff8801cfd577c0 ffffffff81b42e79 1ffff10039faaefa ffff8801cfe697c0 [ 986.599661] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfd57908 [ 986.599672] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 986.599674] Call Trace: [ 986.599690] [] dump_stack+0xc1/0x128 [ 986.599700] [] warn_alloc.cold.31+0x7f/0x9c [ 986.599710] [] ? zone_watermark_ok_safe+0x250/0x250 [ 986.599719] [] ? shrink_node+0x740/0x740 [ 986.599728] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 986.599737] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 986.599747] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 986.599755] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 986.599763] [] ? find_get_entry+0x11a/0x570 [ 986.599771] [] ? find_get_entry+0x141/0x570 [ 986.599778] [] ? page_cache_prev_hole+0x80/0x80 [ 986.599786] [] ? pagecache_get_page+0x131/0x710 [ 986.599794] [] filemap_fault+0xaf1/0x1110 [ 986.599804] [] ext4_filemap_fault+0x71/0xa0 [ 986.599811] [] __do_fault+0x223/0x500 [ 986.599819] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 986.599827] [] ? generic_file_readonly_mmap+0x190/0x190 [ 986.599835] [] handle_mm_fault+0x1326/0x2350 [ 986.599845] [] ? ep_poll+0x18f/0xb20 [ 986.599853] [] ? vm_insert_page+0x6f0/0x6f0 [ 986.599861] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 986.599884] [] __do_page_fault+0x403/0xa60 [ 986.599905] [] ? __fget_light+0x169/0x1f0 [ 986.599914] [] ? bad_area_access_error+0x3a0/0x3a0 [ 986.599931] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 986.599938] [] do_page_fault+0x27/0x30 [ 986.599947] [] page_fault+0x25/0x30 [ 986.599951] Mem-Info: [ 986.599970] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 986.599970] active_file:0 inactive_file:41 isolated_file:0 [ 986.599970] unevictable:0 dirty:0 writeback:0 unstable:0 [ 986.599970] slab_reclaimable:4627 slab_unreclaimable:57011 [ 986.599970] mapped:5 shmem:48 pagetables:361 bounce:0 [ 986.599970] free:5999 free_pcp:107 free_cma:0 [ 986.599984] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 986.600004] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 986.600032] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 986.600092] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 986.600139] 0 pages in swap cache [ 986.600143] Swap cache stats: add 0, delete 0, find 0/0 [ 986.600146] Free swap = 0kB [ 986.600148] Total swap = 0kB [ 986.600150] 1965979 pages RAM [ 986.600153] 0 pages HighMem/MovableOnly [ 986.600155] 313617 pages reserved [ 987.205413] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 987.205413] to free 108kB on behalf of 'udevd' (588) because [ 987.205413] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 987.205413] Free memory is -13508kB above reserved [ 987.205436] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 987.205436] to free 108kB on behalf of 'syz-execprog' (2171) because [ 987.205436] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 987.205436] Free memory is -13508kB above reserved [ 988.214640] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 988.214640] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 988.214640] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 988.214640] Free memory is -13508kB above reserved [ 988.214654] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 988.214654] to free 108kB on behalf of 'udevd' (589) because [ 988.214654] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 988.214654] Free memory is -13508kB above reserved [ 989.224597] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 989.224597] to free 108kB on behalf of 'syz-execprog' (2156) because [ 989.224597] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 989.224597] Free memory is -13508kB above reserved [ 989.224609] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 989.224609] to free 108kB on behalf of 'udevd' (588) because [ 989.224609] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 989.224609] Free memory is -13508kB above reserved [ 989.339593] init: page allocation stalls for 220020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 989.339603] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 989.339619] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 989.339630] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 989.339641] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 989.339643] Call Trace: [ 989.339658] [] dump_stack+0xc1/0x128 [ 989.339669] [] warn_alloc.cold.31+0x7f/0x9c [ 989.339679] [] ? zone_watermark_ok_safe+0x250/0x250 [ 989.339688] [] ? shrink_node+0x740/0x740 [ 989.339697] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 989.339706] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 989.339715] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 989.339724] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 989.339731] [] ? find_get_entry+0x11a/0x570 [ 989.339739] [] ? find_get_entry+0x141/0x570 [ 989.339746] [] ? page_cache_prev_hole+0x80/0x80 [ 989.339754] [] ? pagecache_get_page+0x131/0x710 [ 989.339763] [] filemap_fault+0xaf1/0x1110 [ 989.339772] [] ext4_filemap_fault+0x71/0xa0 [ 989.339779] [] __do_fault+0x223/0x500 [ 989.339787] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 989.339795] [] ? generic_file_readonly_mmap+0x190/0x190 [ 989.339803] [] handle_mm_fault+0x1326/0x2350 [ 989.339811] [] ? vm_insert_page+0x6f0/0x6f0 [ 989.339821] [] ? kvm_clock_get_cycles+0x9/0x10 [ 989.339830] [] __do_page_fault+0x403/0xa60 [ 989.339838] [] ? bad_area_access_error+0x3a0/0x3a0 [ 989.339848] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 989.339855] [] do_page_fault+0x27/0x30 [ 989.339864] [] page_fault+0x25/0x30 [ 989.339868] Mem-Info: [ 989.339886] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 989.339886] active_file:0 inactive_file:41 isolated_file:0 [ 989.339886] unevictable:0 dirty:0 writeback:0 unstable:0 [ 989.339886] slab_reclaimable:4627 slab_unreclaimable:57011 [ 989.339886] mapped:5 shmem:48 pagetables:361 bounce:0 [ 989.339886] free:5999 free_pcp:107 free_cma:0 [ 989.339900] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 989.339927] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 989.339956] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 989.340017] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 989.340064] 0 pages in swap cache [ 989.340068] Swap cache stats: add 0, delete 0, find 0/0 [ 989.340070] Free swap = 0kB [ 989.340072] Total swap = 0kB [ 989.340075] 1965979 pages RAM [ 989.340077] 0 pages HighMem/MovableOnly [ 989.340079] 313617 pages reserved [ 990.234641] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 990.234641] to free 108kB on behalf of 'syz-execprog' (2171) because [ 990.234641] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 990.234641] Free memory is -13508kB above reserved [ 991.244573] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 991.244573] to free 108kB on behalf of 'init' (1) because [ 991.244573] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 991.244573] Free memory is -13508kB above reserved [ 992.254616] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 992.254616] to free 108kB on behalf of 'syz-execprog' (2160) because [ 992.254616] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 992.254616] Free memory is -13508kB above reserved [ 992.254628] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 992.254628] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 992.254628] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 992.254628] Free memory is -13508kB above reserved [ 993.266312] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 993.266312] to free 108kB on behalf of 'blkid' (2353) because [ 993.266312] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 993.266312] Free memory is -13508kB above reserved [ 994.284769] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 994.284769] to free 108kB on behalf of 'udevd' (589) because [ 994.284769] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 994.284769] Free memory is -13508kB above reserved [ 995.190177] cron: page allocation stalls for 210030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 995.190187] CPU: 0 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 995.190203] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 995.190214] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 995.190225] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 995.190227] Call Trace: [ 995.190242] [] dump_stack+0xc1/0x128 [ 995.190253] [] warn_alloc.cold.31+0x7f/0x9c [ 995.190263] [] ? zone_watermark_ok_safe+0x250/0x250 [ 995.190272] [] ? shrink_node+0x740/0x740 [ 995.190281] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 995.190290] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 995.190299] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 995.190308] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 995.190315] [] ? find_get_entry+0x11a/0x570 [ 995.190323] [] ? find_get_entry+0x141/0x570 [ 995.190330] [] ? page_cache_prev_hole+0x80/0x80 [ 995.190338] [] ? pagecache_get_page+0x131/0x710 [ 995.190346] [] filemap_fault+0xaf1/0x1110 [ 995.190355] [] ext4_filemap_fault+0x71/0xa0 [ 995.190363] [] __do_fault+0x223/0x500 [ 995.190370] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 995.190378] [] ? generic_file_readonly_mmap+0x190/0x190 [ 995.190386] [] handle_mm_fault+0x1326/0x2350 [ 995.190394] [] ? vm_insert_page+0x6f0/0x6f0 [ 995.190402] [] ? hrtimer_nanosleep+0x38c/0x550 [ 995.190412] [] __do_page_fault+0x403/0xa60 [ 995.190430] [] ? bad_area_access_error+0x3a0/0x3a0 [ 995.190440] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 995.190448] [] do_page_fault+0x27/0x30 [ 995.190457] [] page_fault+0x25/0x30 [ 995.190461] Mem-Info: [ 995.190479] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 995.190479] active_file:0 inactive_file:41 isolated_file:0 [ 995.190479] unevictable:0 dirty:0 writeback:0 unstable:0 [ 995.190479] slab_reclaimable:4627 slab_unreclaimable:57011 [ 995.190479] mapped:5 shmem:48 pagetables:361 bounce:0 [ 995.190479] free:5999 free_pcp:107 free_cma:0 [ 995.190493] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 995.190512] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 995.190540] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 995.190610] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 995.190668] 0 pages in swap cache [ 995.190672] Swap cache stats: add 0, delete 0, find 0/0 [ 995.190674] Free swap = 0kB [ 995.190677] Total swap = 0kB [ 995.190679] 1965979 pages RAM [ 995.190682] 0 pages HighMem/MovableOnly [ 995.190684] 313617 pages reserved [ 995.294620] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 995.294620] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 995.294620] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 995.294620] Free memory is -13508kB above reserved [ 995.294635] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 995.294635] to free 108kB on behalf of 'init' (1) because [ 995.294635] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 995.294635] Free memory is -13508kB above reserved [ 995.859466] syz-execprog: page allocation stalls for 230010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 995.859476] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 995.859492] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 995.859503] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 995.859514] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 995.859516] Call Trace: [ 995.859532] [] dump_stack+0xc1/0x128 [ 995.859543] [] warn_alloc.cold.31+0x7f/0x9c [ 995.859553] [] ? zone_watermark_ok_safe+0x250/0x250 [ 995.859563] [] ? shrink_node+0x740/0x740 [ 995.859572] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 995.859581] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 995.859591] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 995.859600] [] ? check_preemption_disabled+0x3b/0x200 [ 995.859608] [] ? find_get_entry+0x11a/0x570 [ 995.859616] [] ? find_get_entry+0x141/0x570 [ 995.859623] [] ? page_cache_prev_hole+0x80/0x80 [ 995.859632] [] ? trace_hardirqs_on+0x10/0x10 [ 995.859639] [] ? pagecache_get_page+0x131/0x710 [ 995.859648] [] filemap_fault+0xaf1/0x1110 [ 995.859657] [] ext4_filemap_fault+0x71/0xa0 [ 995.859665] [] __do_fault+0x223/0x500 [ 995.859672] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 995.859680] [] ? handle_mm_fault+0x1d4f/0x2350 [ 995.859688] [] handle_mm_fault+0x1326/0x2350 [ 995.859698] [] ? poll_select_set_timeout+0xb5/0x120 [ 995.859705] [] ? vm_insert_page+0x6f0/0x6f0 [ 995.859715] [] __do_page_fault+0x403/0xa60 [ 995.859723] [] ? __fget_light+0x169/0x1f0 [ 995.859732] [] ? bad_area_access_error+0x3a0/0x3a0 [ 995.859742] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 995.859749] [] do_page_fault+0x27/0x30 [ 995.859757] [] page_fault+0x25/0x30 [ 995.859761] Mem-Info: [ 995.859779] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 995.859779] active_file:0 inactive_file:41 isolated_file:0 [ 995.859779] unevictable:0 dirty:0 writeback:0 unstable:0 [ 995.859779] slab_reclaimable:4627 slab_unreclaimable:57011 [ 995.859779] mapped:5 shmem:48 pagetables:361 bounce:0 [ 995.859779] free:5999 free_pcp:107 free_cma:0 [ 995.859793] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 995.859814] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 995.859842] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 995.859902] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 995.859957] 0 pages in swap cache [ 995.859975] Swap cache stats: add 0, delete 0, find 0/0 [ 995.859977] Free swap = 0kB [ 995.859979] Total swap = 0kB [ 995.859981] 1965979 pages RAM [ 995.859983] 0 pages HighMem/MovableOnly [ 995.859986] 313617 pages reserved [ 995.933910] syz-execprog: page allocation stalls for 230010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 995.933926] CPU: 1 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 995.933942] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 995.933953] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 995.933963] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 995.933964] Call Trace: [ 995.933981] [] dump_stack+0xc1/0x128 [ 995.933991] [] warn_alloc.cold.31+0x7f/0x9c [ 995.934000] [] ? zone_watermark_ok_safe+0x250/0x250 [ 995.934009] [] ? shrink_node+0x740/0x740 [ 995.934018] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 995.934038] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 995.934047] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 995.934054] [] ? find_get_entry+0x11a/0x570 [ 995.934061] [] ? find_get_entry+0x141/0x570 [ 995.934068] [] ? page_cache_prev_hole+0x80/0x80 [ 995.934077] [] ? autoremove_wake_function+0x40/0x40 [ 995.934085] [] ? pagecache_get_page+0x131/0x710 [ 995.934092] [] filemap_fault+0xaf1/0x1110 [ 995.934100] [] ext4_filemap_fault+0x71/0xa0 [ 995.934107] [] __do_fault+0x223/0x500 [ 995.934114] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 995.934122] [] ? generic_file_readonly_mmap+0x190/0x190 [ 995.934130] [] handle_mm_fault+0x1326/0x2350 [ 995.934139] [] ? poll_select_set_timeout+0xb5/0x120 [ 995.934146] [] ? vm_insert_page+0x6f0/0x6f0 [ 995.934154] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 995.934163] [] __do_page_fault+0x403/0xa60 [ 995.934171] [] ? __fget_light+0x169/0x1f0 [ 995.934179] [] ? bad_area_access_error+0x3a0/0x3a0 [ 995.934188] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 995.934195] [] do_page_fault+0x27/0x30 [ 995.934204] [] page_fault+0x25/0x30 [ 995.934207] Mem-Info: [ 995.934225] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 995.934225] active_file:0 inactive_file:41 isolated_file:0 [ 995.934225] unevictable:0 dirty:0 writeback:0 unstable:0 [ 995.934225] slab_reclaimable:4627 slab_unreclaimable:57011 [ 995.934225] mapped:5 shmem:48 pagetables:361 bounce:0 [ 995.934225] free:5999 free_pcp:107 free_cma:0 [ 995.934238] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 995.934257] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 995.934283] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 995.934339] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 995.934381] 0 pages in swap cache [ 995.934385] Swap cache stats: add 0, delete 0, find 0/0 [ 995.934387] Free swap = 0kB [ 995.934389] Total swap = 0kB [ 995.934392] 1965979 pages RAM [ 995.934394] 0 pages HighMem/MovableOnly [ 995.934396] 313617 pages reserved [ 995.937343] blkid: page allocation stalls for 230030ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 995.937350] CPU: 1 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 995.937364] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 995.937374] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 995.937384] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 995.937385] Call Trace: [ 995.937395] [] dump_stack+0xc1/0x128 [ 995.937404] [] warn_alloc.cold.31+0x7f/0x9c [ 995.937412] [] ? zone_watermark_ok_safe+0x250/0x250 [ 995.937420] [] ? shrink_node+0x740/0x740 [ 995.937429] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 995.937438] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 995.937445] [] ? trace_hardirqs_on+0x10/0x10 [ 995.937453] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 995.937460] [] ? validate_mm+0x2f4/0x580 [ 995.937467] [] ? validate_mm+0x32e/0x580 [ 995.937474] [] __pmd_alloc+0x47/0x320 [ 995.937482] [] move_page_tables+0xa17/0xc70 [ 995.937492] [] shift_arg_pages+0x1a8/0x430 [ 995.937499] [] ? put_arg_page+0xd0/0xd0 [ 995.937508] [] ? setup_arg_pages+0x27f/0x7b0 [ 995.937516] [] setup_arg_pages+0x5fa/0x7b0 [ 995.937525] [] ? shift_arg_pages+0x430/0x430 [ 995.937533] [] load_elf_binary+0xaaa/0x4bc0 [ 995.937541] [] ? trace_hardirqs_on+0x10/0x10 [ 995.937548] [] ? audit_inode_permission+0x310/0x310 [ 995.937557] [] ? elf_core_dump+0x4330/0x4330 [ 995.937564] [] ? search_binary_handler+0xff/0x6f0 [ 995.937573] [] search_binary_handler+0x14f/0x6f0 [ 995.937582] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 995.937590] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 995.937599] [] ? prepare_bprm_creds+0x110/0x110 [ 995.937606] [] ? getname_flags+0x229/0x550 [ 995.937614] [] SyS_execve+0x42/0x50 [ 995.937622] [] ? setup_new_exec+0x830/0x830 [ 995.937628] [] do_syscall_64+0x19f/0x550 [ 995.937637] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 995.937640] Mem-Info: [ 995.937656] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 995.937656] active_file:0 inactive_file:41 isolated_file:0 [ 995.937656] unevictable:0 dirty:0 writeback:0 unstable:0 [ 995.937656] slab_reclaimable:4627 slab_unreclaimable:57011 [ 995.937656] mapped:5 shmem:48 pagetables:361 bounce:0 [ 995.937656] free:5999 free_pcp:107 free_cma:0 [ 995.937669] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 995.937687] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 995.937713] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 995.937766] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 995.937808] 0 pages in swap cache [ 995.937812] Swap cache stats: add 0, delete 0, find 0/0 [ 995.937814] Free swap = 0kB [ 995.937816] Total swap = 0kB [ 995.937818] 1965979 pages RAM [ 995.937820] 0 pages HighMem/MovableOnly [ 995.937822] 313617 pages reserved [ 996.017764] syz-execprog: page allocation stalls for 230070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 996.017774] CPU: 1 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 996.017791] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 996.017801] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 996.017811] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 996.017812] Call Trace: [ 996.017828] [] dump_stack+0xc1/0x128 [ 996.017837] [] warn_alloc.cold.31+0x7f/0x9c [ 996.017847] [] ? zone_watermark_ok_safe+0x250/0x250 [ 996.017855] [] ? shrink_node+0x740/0x740 [ 996.017864] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 996.017873] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 996.017882] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 996.017891] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 996.017898] [] ? find_get_entry+0x11a/0x570 [ 996.017906] [] ? find_get_entry+0x141/0x570 [ 996.017913] [] ? page_cache_prev_hole+0x80/0x80 [ 996.017929] [] ? autoremove_wake_function+0x40/0x40 [ 996.017936] [] ? pagecache_get_page+0x131/0x710 [ 996.017944] [] filemap_fault+0xaf1/0x1110 [ 996.017953] [] ext4_filemap_fault+0x71/0xa0 [ 996.017960] [] __do_fault+0x223/0x500 [ 996.017967] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 996.017975] [] ? generic_file_readonly_mmap+0x190/0x190 [ 996.017982] [] handle_mm_fault+0x1326/0x2350 [ 996.017990] [] ? vm_insert_page+0x6f0/0x6f0 [ 996.017999] [] ? selinux_file_permission+0x82/0x470 [ 996.018008] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 996.018015] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 996.018024] [] __do_page_fault+0x403/0xa60 [ 996.018031] [] ? bad_area_access_error+0x3a0/0x3a0 [ 996.018040] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 996.018047] [] do_page_fault+0x27/0x30 [ 996.018055] [] page_fault+0x25/0x30 [ 996.018059] Mem-Info: [ 996.018077] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 996.018077] active_file:0 inactive_file:41 isolated_file:0 [ 996.018077] unevictable:0 dirty:0 writeback:0 unstable:0 [ 996.018077] slab_reclaimable:4627 slab_unreclaimable:57011 [ 996.018077] mapped:5 shmem:48 pagetables:361 bounce:0 [ 996.018077] free:5999 free_pcp:107 free_cma:0 [ 996.018090] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 996.018108] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 996.018135] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 996.018191] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 996.018229] 0 pages in swap cache [ 996.018233] Swap cache stats: add 0, delete 0, find 0/0 [ 996.018234] Free swap = 0kB [ 996.018236] Total swap = 0kB [ 996.018238] 1965979 pages RAM [ 996.018240] 0 pages HighMem/MovableOnly [ 996.018242] 313617 pages reserved [ 996.304612] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 996.304612] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 996.304612] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 996.304612] Free memory is -13508kB above reserved [ 996.304625] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 996.304625] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 996.304625] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 996.304625] Free memory is -13508kB above reserved [ 996.335928] udevd: page allocation stalls for 230050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 996.335937] CPU: 1 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 [ 996.335952] ffff8801cfed77c0 ffffffff81b42e79 1ffff10039fdaefa ffff8801cfe6af80 [ 996.335962] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfed7908 [ 996.335972] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 996.335974] Call Trace: [ 996.335990] [] dump_stack+0xc1/0x128 [ 996.336000] [] warn_alloc.cold.31+0x7f/0x9c [ 996.336010] [] ? zone_watermark_ok_safe+0x250/0x250 [ 996.336019] [] ? shrink_node+0x740/0x740 [ 996.336028] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 996.336036] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 996.336045] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 3 printk messages dropped ** [ 996.336075] [] ? page_cache_prev_hole+0x80/0x80 [ 996.336083] [] ? autoremove_wake_function+0x40/0x40 [ 996.336091] [] ? pagecache_get_page+0x131/0x710 ** 47 printk messages dropped ** [ 996.560201] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 996.560208] [] ? pagecache_get_page+0x131/0x710 [ 996.560216] [] filemap_fault+0xaf1/0x1110 [ 996.560225] [] ext4_filemap_fault+0x71/0xa0 ** 49 printk messages dropped ** [ 996.609520] [] __do_fault+0x223/0x500 [ 996.609527] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 996.609535] [] ? generic_file_readonly_mmap+0x190/0x190 [ 996.609542] [] handle_mm_fault+0x1326/0x2350 [ 996.609550] [] ? ep_poll+0x18f/0xb20 [ 996.609557] [] ? vm_insert_page+0x6f0/0x6f0 [ 996.609565] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 996.609573] [] __do_page_fault+0x403/0xa60 [ 996.609581] [] ? __fget_light+0x169/0x1f0 [ 996.609588] [] ? bad_area_access_error+0x3a0/0x3a0 [ 996.609597] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 996.609604] [] do_page_fault+0x27/0x30 [ 996.609611] [] page_fault+0x25/0x30 [ 996.609615] Mem-Info: [ 996.609631] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 996.609631] active_file:0 inactive_file:41 isolated_file:0 [ 996.609631] unevictable:0 dirty:0 writeback:0 unstable:0 [ 996.609631] slab_reclaimable:4627 slab_unreclaimable:57011 [ 996.609631] mapped:5 shmem:48 pagetables:361 bounce:0 [ 996.609631] free:5999 free_pcp:107 free_cma:0 [ 996.609644] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 996.609662] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 996.609689] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 996.609745] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 996.609787] 0 pages in swap cache [ 996.609791] Swap cache stats: add 0, delete 0, find 0/0 [ 996.609794] Free swap = 0kB [ 996.609796] Total swap = 0kB [ 996.609798] 1965979 pages RAM [ 996.609800] 0 pages HighMem/MovableOnly [ 996.609802] 313617 pages reserved [ 997.314639] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 997.314639] to free 108kB on behalf of 'cron' (1948) because [ 997.314639] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 997.314639] Free memory is -13508kB above reserved [ 997.314650] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 997.314650] to free 108kB on behalf of 'blkid' (2353) because [ 997.314650] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 997.314650] Free memory is -13508kB above reserved [ 998.324618] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 998.324618] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 998.324618] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 998.324618] Free memory is -13508kB above reserved [ 999.334601] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 999.334601] to free 108kB on behalf of 'blkid' (2353) because [ 999.334601] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 999.334601] Free memory is -13508kB above reserved [ 999.334612] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 999.334612] to free 108kB on behalf of 'cron' (1948) because [ 999.334612] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 999.334612] Free memory is -13508kB above reserved [ 999.384968] init: page allocation stalls for 230070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 999.384976] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 999.384993] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 999.385004] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 999.385014] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 999.385016] Call Trace: [ 999.385032] [] dump_stack+0xc1/0x128 [ 999.385042] [] warn_alloc.cold.31+0x7f/0x9c [ 999.385052] [] ? zone_watermark_ok_safe+0x250/0x250 [ 999.385062] [] ? shrink_node+0x740/0x740 [ 999.385071] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 999.385080] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 999.385089] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 999.385098] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 999.385106] [] ? find_get_entry+0x11a/0x570 [ 999.385113] [] ? find_get_entry+0x141/0x570 [ 999.385121] [] ? page_cache_prev_hole+0x80/0x80 [ 999.385129] [] ? pagecache_get_page+0x131/0x710 [ 999.385137] [] filemap_fault+0xaf1/0x1110 [ 999.385146] [] ext4_filemap_fault+0x71/0xa0 [ 999.385154] [] __do_fault+0x223/0x500 [ 999.385161] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 999.385170] [] ? generic_file_readonly_mmap+0x190/0x190 [ 999.385177] [] handle_mm_fault+0x1326/0x2350 [ 999.385185] [] ? vm_insert_page+0x6f0/0x6f0 [ 999.385195] [] ? kvm_clock_get_cycles+0x9/0x10 [ 999.385204] [] __do_page_fault+0x403/0xa60 [ 999.385212] [] ? bad_area_access_error+0x3a0/0x3a0 [ 999.385222] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 999.385229] [] do_page_fault+0x27/0x30 [ 999.385238] [] page_fault+0x25/0x30 [ 999.385242] Mem-Info: [ 999.385260] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 999.385260] active_file:0 inactive_file:41 isolated_file:0 [ 999.385260] unevictable:0 dirty:0 writeback:0 unstable:0 [ 999.385260] slab_reclaimable:4627 slab_unreclaimable:57011 [ 999.385260] mapped:5 shmem:48 pagetables:361 bounce:0 [ 999.385260] free:5999 free_pcp:107 free_cma:0 [ 999.385277] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 999.385296] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 999.385325] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 999.385384] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 999.385434] 0 pages in swap cache [ 999.385438] Swap cache stats: add 0, delete 0, find 0/0 [ 999.385441] Free swap = 0kB [ 999.385443] Total swap = 0kB [ 999.385445] 1965979 pages RAM [ 999.385447] 0 pages HighMem/MovableOnly [ 999.385449] 313617 pages reserved [ 1000.344562] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1000.344562] to free 108kB on behalf of 'udevd' (588) because [ 1000.344562] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1000.344562] Free memory is -13508kB above reserved [ 1001.354555] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1001.354555] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 1001.354555] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1001.354555] Free memory is -13508kB above reserved [ 1002.364599] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1002.364599] to free 108kB on behalf of 'syz-execprog' (2171) because [ 1002.364599] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1002.364599] Free memory is -13508kB above reserved [ 1002.364610] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1002.364610] to free 108kB on behalf of 'udevd' (588) because [ 1002.364610] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1002.364610] Free memory is -13508kB above reserved [ 1003.374605] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1003.374605] to free 108kB on behalf of 'syz-execprog' (2163) because [ 1003.374605] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1003.374605] Free memory is -13508kB above reserved [ 1004.384621] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1004.384621] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 1004.384621] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1004.384621] Free memory is -13508kB above reserved [ 1005.172536] cron: page allocation stalls for 220010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1005.172546] CPU: 1 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 1005.172562] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 1005.172573] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 1005.172584] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1005.172586] Call Trace: [ 1005.172602] [] dump_stack+0xc1/0x128 [ 1005.172612] [] warn_alloc.cold.31+0x7f/0x9c [ 1005.172622] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1005.172631] [] ? shrink_node+0x740/0x740 [ 1005.172640] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1005.172649] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1005.172658] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1005.172667] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1005.172675] [] ? find_get_entry+0x11a/0x570 [ 1005.172682] [] ? find_get_entry+0x141/0x570 [ 1005.172690] [] ? page_cache_prev_hole+0x80/0x80 [ 1005.172698] [] ? pagecache_get_page+0x131/0x710 [ 1005.172706] [] filemap_fault+0xaf1/0x1110 [ 1005.172715] [] ext4_filemap_fault+0x71/0xa0 [ 1005.172723] [] __do_fault+0x223/0x500 [ 1005.172730] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1005.172739] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1005.172746] [] handle_mm_fault+0x1326/0x2350 [ 1005.172754] [] ? vm_insert_page+0x6f0/0x6f0 [ 1005.172763] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1005.172772] [] __do_page_fault+0x403/0xa60 [ 1005.172781] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1005.172791] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1005.172798] [] do_page_fault+0x27/0x30 [ 1005.172807] [] page_fault+0x25/0x30 [ 1005.172811] Mem-Info: [ 1005.172829] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1005.172829] active_file:0 inactive_file:41 isolated_file:0 [ 1005.172829] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1005.172829] slab_reclaimable:4627 slab_unreclaimable:57011 [ 1005.172829] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1005.172829] free:5999 free_pcp:107 free_cma:0 [ 1005.172844] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1005.172863] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1005.172891] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1005.172961] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 1005.173008] 0 pages in swap cache [ 1005.173013] Swap cache stats: add 0, delete 0, find 0/0 [ 1005.173015] Free swap = 0kB [ 1005.173017] Total swap = 0kB [ 1005.173020] 1965979 pages RAM [ 1005.173022] 0 pages HighMem/MovableOnly [ 1005.173024] 313617 pages reserved [ 1005.394606] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1005.394606] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 1005.394606] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1005.394606] Free memory is -13508kB above reserved [ 1005.887259] syz-execprog: page allocation stalls for 240040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1005.887268] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 1005.887285] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 1005.887296] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 1005.887306] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1005.887308] Call Trace: [ 1005.887324] [] dump_stack+0xc1/0x128 [ 1005.887334] [] warn_alloc.cold.31+0x7f/0x9c [ 1005.887344] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1005.887353] [] ? shrink_node+0x740/0x740 [ 1005.887363] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1005.887371] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1005.887380] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1005.887390] [] ? check_preemption_disabled+0x3b/0x200 [ 1005.887398] [] ? find_get_entry+0x11a/0x570 [ 1005.887405] [] ? find_get_entry+0x141/0x570 [ 1005.887413] [] ? page_cache_prev_hole+0x80/0x80 [ 1005.887430] [] ? trace_hardirqs_on+0x10/0x10 [ 1005.887438] [] ? pagecache_get_page+0x131/0x710 [ 1005.887446] [] filemap_fault+0xaf1/0x1110 [ 1005.887455] [] ext4_filemap_fault+0x71/0xa0 [ 1005.887463] [] __do_fault+0x223/0x500 [ 1005.887470] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1005.887478] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1005.887486] [] handle_mm_fault+0x1326/0x2350 [ 1005.887496] [] ? poll_select_set_timeout+0xb5/0x120 [ 1005.887504] [] ? vm_insert_page+0x6f0/0x6f0 [ 1005.887514] [] __do_page_fault+0x403/0xa60 [ 1005.887522] [] ? __fget_light+0x169/0x1f0 [ 1005.887530] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1005.887540] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1005.887548] [] do_page_fault+0x27/0x30 [ 1005.887556] [] page_fault+0x25/0x30 [ 1005.887560] Mem-Info: [ 1005.887578] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1005.887578] active_file:0 inactive_file:41 isolated_file:0 [ 1005.887578] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1005.887578] slab_reclaimable:4627 slab_unreclaimable:57011 [ 1005.887578] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1005.887578] free:5999 free_pcp:107 free_cma:0 [ 1005.887593] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1005.887612] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1005.887640] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1005.887700] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 1005.887746] 0 pages in swap cache [ 1005.887750] Swap cache stats: add 0, delete 0, find 0/0 [ 1005.887753] Free swap = 0kB [ 1005.887755] Total swap = 0kB [ 1005.887758] 1965979 pages RAM [ 1005.887760] 0 pages HighMem/MovableOnly [ 1005.887762] 313617 pages reserved [ 1005.927118] blkid: page allocation stalls for 240020ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 1005.927127] CPU: 0 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 1005.927142] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 1005.927177] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 1005.927186] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1005.927188] Call Trace: [ 1005.927202] [] dump_stack+0xc1/0x128 [ 1005.927211] [] warn_alloc.cold.31+0x7f/0x9c [ 1005.927220] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1005.927229] [] ? shrink_node+0x740/0x740 [ 1005.927248] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1005.927269] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1005.927288] [] ? trace_hardirqs_on+0x10/0x10 [ 1005.927296] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1005.927304] [] ? validate_mm+0x2f4/0x580 [ 1005.927311] [] ? validate_mm+0x32e/0x580 [ 1005.927318] [] __pmd_alloc+0x47/0x320 [ 1005.927327] [] move_page_tables+0xa17/0xc70 [ 1005.927336] [] shift_arg_pages+0x1a8/0x430 [ 1005.927343] [] ? put_arg_page+0xd0/0xd0 [ 1005.927351] [] ? setup_arg_pages+0x27f/0x7b0 [ 1005.927359] [] setup_arg_pages+0x5fa/0x7b0 [ 1005.927379] [] ? shift_arg_pages+0x430/0x430 [ 1005.927389] [] load_elf_binary+0xaaa/0x4bc0 [ 1005.927396] [] ? trace_hardirqs_on+0x10/0x10 [ 1005.927405] [] ? audit_inode_permission+0x310/0x310 [ 1005.927413] [] ? elf_core_dump+0x4330/0x4330 [ 1005.927429] [] ? search_binary_handler+0xff/0x6f0 [ 1005.927438] [] search_binary_handler+0x14f/0x6f0 [ 1005.927447] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 1005.927455] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 1005.927476] [] ? prepare_bprm_creds+0x110/0x110 [ 1005.927490] [] ? getname_flags+0x229/0x550 [ 1005.927499] [] SyS_execve+0x42/0x50 [ 1005.927507] [] ? setup_new_exec+0x830/0x830 [ 1005.927514] [] do_syscall_64+0x19f/0x550 [ 1005.927524] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1005.927527] Mem-Info: [ 1005.927545] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1005.927545] active_file:0 inactive_file:41 isolated_file:0 [ 1005.927545] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1005.927545] slab_reclaimable:4627 slab_unreclaimable:57011 [ 1005.927545] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1005.927545] free:5999 free_pcp:107 free_cma:0 [ 1005.927559] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1005.927579] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1005.927607] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1005.927665] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 1005.927711] 0 pages in swap cache [ 1005.927715] Swap cache stats: add 0, delete 0, find 0/0 [ 1005.927717] Free swap = 0kB [ 1005.927720] Total swap = 0kB [ 1005.927722] 1965979 pages RAM [ 1005.927724] 0 pages HighMem/MovableOnly [ 1005.927727] 313617 pages reserved [ 1005.945767] syz-execprog: page allocation stalls for 240020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1005.945775] CPU: 1 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 1005.945788] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 1005.945798] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 1005.945808] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1005.945810] Call Trace: [ 1005.945821] [] dump_stack+0xc1/0x128 [ 1005.945830] [] warn_alloc.cold.31+0x7f/0x9c [ 1005.945851] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1005.945858] [] ? shrink_node+0x740/0x740 [ 1005.945867] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1005.945873] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1005.945882] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1005.945890] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1005.945897] [] ? find_get_entry+0x11a/0x570 [ 1005.945904] [] ? find_get_entry+0x141/0x570 [ 1005.945910] [] ? page_cache_prev_hole+0x80/0x80 [ 1005.945918] [] ? autoremove_wake_function+0x40/0x40 [ 1005.945931] [] ? pagecache_get_page+0x131/0x710 [ 1005.945938] [] filemap_fault+0xaf1/0x1110 [ 1005.945947] [] ext4_filemap_fault+0x71/0xa0 [ 1005.945964] [] __do_fault+0x223/0x500 [ 1005.945971] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1005.945990] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1005.946008] [] handle_mm_fault+0x1326/0x2350 [ 1005.946014] [] ? vm_insert_page+0x6f0/0x6f0 [ 1005.946022] [] ? selinux_file_permission+0x82/0x470 [ 1005.946030] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1005.946049] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1005.946057] [] __do_page_fault+0x403/0xa60 [ 1005.946064] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1005.946073] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1005.946079] [] do_page_fault+0x27/0x30 [ 1005.946087] [] page_fault+0x25/0x30 [ 1005.946090] Mem-Info: [ 1005.946105] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1005.946105] active_file:0 inactive_file:41 isolated_file:0 [ 1005.946105] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1005.946105] slab_reclaimable:4627 slab_unreclaimable:57011 [ 1005.946105] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1005.946105] free:5999 free_pcp:107 free_cma:0 [ 1005.946117] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1005.946134] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1005.946159] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1005.946237] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 1005.946281] 0 pages in swap cache [ 1005.946285] Swap cache stats: add 0, delete 0, find 0/0 [ 1005.946287] Free swap = 0kB [ 1005.946289] Total swap = 0kB [ 1005.946291] 1965979 pages RAM [ 1005.946294] 0 pages HighMem/MovableOnly [ 1005.946296] 313617 pages reserved [ 1006.006385] syz-execprog: page allocation stalls for 240090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1006.006394] CPU: 1 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 1006.006412] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 1006.006422] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 1006.006432] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1006.006434] Call Trace: [ 1006.006451] [] dump_stack+0xc1/0x128 [ 1006.006462] [] warn_alloc.cold.31+0x7f/0x9c [ 1006.006472] [] ? zone_watermark_ok_safe+0x250/0x250 ** 18 printk messages dropped ** [ 1006.006634] [] __do_page_fault+0x403/0xa60 [ 1006.006642] [] ? __fget_light+0x169/0x1f0 [ 1006.006650] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1006.006660] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1006.006667] [] do_page_fault+0x27/0x30 [ 1006.006676] [] page_fault+0x25/0x30 [ 1006.006680] Mem-Info: [ 1006.006697] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1006.006697] active_file:0 inactive_file:41 isolated_file:0 [ 1006.006697] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1006.006697] slab_reclaimable:4627 slab_unreclaimable:57011 [ 1006.006697] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1006.006697] free:5999 free_pcp:107 free_cma:0 [ 1006.006712] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1006.006731] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 40 printk messages dropped ** [ 1006.329851] [] __do_page_fault+0x403/0xa60 [ 1006.329859] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1006.329870] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1006.329877] [] do_page_fault+0x27/0x30 [ 1006.329886] [] page_fault+0x25/0x30 [ 1006.329890] Mem-Info: [ 1006.329908] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1006.329908] active_file:0 inactive_file:41 isolated_file:0 [ 1006.329908] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1006.329908] slab_reclaimable:4627 slab_unreclaimable:57011 [ 1006.329908] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1006.329908] free:5999 free_pcp:107 free_cma:0 ** 40 printk messages dropped ** [ 1006.570654] [] handle_mm_fault+0x1326/0x2350 ** 49 printk messages dropped ** [ 1006.616675] [] ? ep_poll+0x18f/0xb20 [ 1006.616682] [] ? vm_insert_page+0x6f0/0x6f0 [ 1006.616690] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 1006.616700] [] __do_page_fault+0x403/0xa60 ** 3 printk messages dropped ** [ 1006.616735] [] do_page_fault+0x27/0x30 [ 1006.616743] [] page_fault+0x25/0x30 [ 1006.616746] Mem-Info: [ 1006.616764] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1006.616764] active_file:0 inactive_file:41 isolated_file:0 [ 1006.616764] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1006.616764] slab_reclaimable:4627 slab_unreclaimable:57011 [ 1006.616764] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1006.616764] free:5999 free_pcp:107 free_cma:0 [ 1006.616778] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1006.616798] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1006.616826] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227448kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1006.616886] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 1006.616940] 0 pages in swap cache [ 1006.616945] Swap cache stats: add 0, delete 0, find 0/0 [ 1006.616947] Free swap = 0kB [ 1006.616949] Total swap = 0kB [ 1006.616952] 1965979 pages RAM [ 1006.616954] 0 pages HighMem/MovableOnly [ 1006.616956] 313617 pages reserved [ 1007.416166] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1007.416166] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 1007.416166] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1007.416166] Free memory is -13508kB above reserved [ 1008.424547] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1008.424547] to free 108kB on behalf of 'cron' (1948) because [ 1008.424547] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1008.424547] Free memory is -13508kB above reserved [ 1009.330478] init: page allocation stalls for 240010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1009.330486] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 1009.330502] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 1009.330512] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 1009.330522] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1009.330524] Call Trace: [ 1009.330539] [] dump_stack+0xc1/0x128 [ 1009.330550] [] warn_alloc.cold.31+0x7f/0x9c [ 1009.330559] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1009.330568] [] ? shrink_node+0x740/0x740 [ 1009.330578] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1009.330586] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1009.330595] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1009.330603] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1009.330610] [] ? find_get_entry+0x11a/0x570 [ 1009.330617] [] ? find_get_entry+0x141/0x570 [ 1009.330624] [] ? page_cache_prev_hole+0x80/0x80 [ 1009.330632] [] ? pagecache_get_page+0x131/0x710 [ 1009.330639] [] filemap_fault+0xaf1/0x1110 [ 1009.330648] [] ext4_filemap_fault+0x71/0xa0 [ 1009.330655] [] __do_fault+0x223/0x500 [ 1009.330662] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1009.330670] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1009.330677] [] handle_mm_fault+0x1326/0x2350 [ 1009.330684] [] ? vm_insert_page+0x6f0/0x6f0 [ 1009.330692] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1009.330700] [] __do_page_fault+0x403/0xa60 [ 1009.330708] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1009.330718] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1009.330725] [] do_page_fault+0x27/0x30 [ 1009.330733] [] page_fault+0x25/0x30 [ 1009.330737] Mem-Info: [ 1009.330754] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1009.330754] active_file:0 inactive_file:41 isolated_file:0 [ 1009.330754] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1009.330754] slab_reclaimable:4627 slab_unreclaimable:57012 [ 1009.330754] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1009.330754] free:5999 free_pcp:106 free_cma:0 [ 1009.330768] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1009.330786] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1009.330813] Normal free:5328kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227452kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:304kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1009.330867] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 154*8kB (ME) 81*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5328kB 90 total pagecache pages [ 1009.330910] 0 pages in swap cache [ 1009.330914] Swap cache stats: add 0, delete 0, find 0/0 [ 1009.330916] Free swap = 0kB [ 1009.330918] Total swap = 0kB [ 1009.330920] 1965979 pages RAM [ 1009.330922] 0 pages HighMem/MovableOnly [ 1009.330924] 313617 pages reserved [ 1009.434617] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1009.434617] to free 108kB on behalf of 'syz-execprog' (2160) because [ 1009.434617] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1009.434617] Free memory is -13508kB above reserved [ 1009.434629] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1009.434629] to free 108kB on behalf of 'udevd' (589) because [ 1009.434629] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1009.434629] Free memory is -13508kB above reserved [ 1010.444618] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1010.444618] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 1010.444618] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1010.444618] Free memory is -13508kB above reserved [ 1010.444630] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1010.444630] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 1010.444630] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1010.444630] Free memory is -13508kB above reserved [ 1011.454680] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1011.454680] to free 108kB on behalf of 'syz-execprog' (2156) because [ 1011.454680] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1011.454680] Free memory is -13508kB above reserved [ 1012.464628] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1012.464628] to free 108kB on behalf of 'syz-execprog' (2156) because [ 1012.464628] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1012.464628] Free memory is -13508kB above reserved [ 1013.474643] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1013.474643] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 1013.474643] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1013.474643] Free memory is -13516kB above reserved [ 1013.474667] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1013.474667] to free 108kB on behalf of 'udevd' (589) because [ 1013.474667] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1013.474667] Free memory is -13516kB above reserved [ 1014.484555] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1014.484555] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 1014.484555] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1014.484555] Free memory is -13516kB above reserved [ 1015.224828] cron: page allocation stalls for 230070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1015.224837] CPU: 1 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 1015.224853] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 1015.224863] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 1015.224873] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1015.224875] Call Trace: [ 1015.224891] [] dump_stack+0xc1/0x128 [ 1015.224901] [] warn_alloc.cold.31+0x7f/0x9c [ 1015.224911] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1015.224926] [] ? shrink_node+0x740/0x740 [ 1015.224936] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1015.224945] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1015.224954] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1015.224962] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1015.224969] [] ? find_get_entry+0x11a/0x570 [ 1015.224976] [] ? find_get_entry+0x141/0x570 [ 1015.224983] [] ? page_cache_prev_hole+0x80/0x80 [ 1015.224991] [] ? pagecache_get_page+0x131/0x710 [ 1015.224998] [] filemap_fault+0xaf1/0x1110 [ 1015.225008] [] ext4_filemap_fault+0x71/0xa0 [ 1015.225015] [] __do_fault+0x223/0x500 [ 1015.225022] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1015.225030] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1015.225037] [] handle_mm_fault+0x1326/0x2350 [ 1015.225045] [] ? vm_insert_page+0x6f0/0x6f0 [ 1015.225053] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1015.225064] [] __do_page_fault+0x403/0xa60 [ 1015.225072] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1015.225081] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1015.225089] [] do_page_fault+0x27/0x30 [ 1015.225097] [] page_fault+0x25/0x30 [ 1015.225101] Mem-Info: [ 1015.225119] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1015.225119] active_file:0 inactive_file:41 isolated_file:0 [ 1015.225119] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1015.225119] slab_reclaimable:4627 slab_unreclaimable:57014 [ 1015.225119] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1015.225119] free:5997 free_pcp:106 free_cma:0 [ 1015.225132] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1015.225151] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1015.225178] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227460kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:304kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1015.225234] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 155*8kB (MEH) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 1015.225277] 0 pages in swap cache [ 1015.225281] Swap cache stats: add 0, delete 0, find 0/0 [ 1015.225283] Free swap = 0kB [ 1015.225286] Total swap = 0kB [ 1015.225288] 1965979 pages RAM [ 1015.225290] 0 pages HighMem/MovableOnly [ 1015.225292] 313617 pages reserved [ 1015.494542] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1015.494542] to free 108kB on behalf of 'udevd' (588) because [ 1015.494542] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1015.494542] Free memory is -13516kB above reserved [ 1015.860195] syz-execprog: page allocation stalls for 250010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1015.860205] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 1015.860222] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 1015.860232] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 1015.860243] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1015.860245] Call Trace: [ 1015.860261] [] dump_stack+0xc1/0x128 [ 1015.860272] [] warn_alloc.cold.31+0x7f/0x9c [ 1015.860282] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1015.860291] [] ? shrink_node+0x740/0x740 [ 1015.860301] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1015.860310] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1015.860319] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1015.860329] [] ? check_preemption_disabled+0x3b/0x200 [ 1015.860337] [] ? find_get_entry+0x11a/0x570 [ 1015.860344] [] ? find_get_entry+0x141/0x570 [ 1015.860351] [] ? page_cache_prev_hole+0x80/0x80 [ 1015.860359] [] ? trace_hardirqs_on+0x10/0x10 [ 1015.860384] [] ? pagecache_get_page+0x131/0x710 [ 1015.860403] [] filemap_fault+0xaf1/0x1110 [ 1015.860412] [] ext4_filemap_fault+0x71/0xa0 [ 1015.860420] [] __do_fault+0x223/0x500 [ 1015.860427] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1015.860435] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1015.860443] [] handle_mm_fault+0x1326/0x2350 [ 1015.860452] [] ? poll_select_set_timeout+0xb5/0x120 [ 1015.860460] [] ? vm_insert_page+0x6f0/0x6f0 [ 1015.860470] [] __do_page_fault+0x403/0xa60 [ 1015.860478] [] ? __fget_light+0x169/0x1f0 [ 1015.860486] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1015.860496] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1015.860504] [] do_page_fault+0x27/0x30 [ 1015.860513] [] page_fault+0x25/0x30 [ 1015.860517] Mem-Info: [ 1015.860535] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1015.860535] active_file:0 inactive_file:41 isolated_file:0 [ 1015.860535] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1015.860535] slab_reclaimable:4627 slab_unreclaimable:57014 [ 1015.860535] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1015.860535] free:5997 free_pcp:106 free_cma:0 [ 1015.860553] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1015.860573] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1015.860602] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227460kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:304kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1015.860661] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 155*8kB (MEH) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 1015.860708] 0 pages in swap cache [ 1015.860712] Swap cache stats: add 0, delete 0, find 0/0 [ 1015.860715] Free swap = 0kB [ 1015.860717] Total swap = 0kB [ 1015.860719] 1965979 pages RAM [ 1015.860722] 0 pages HighMem/MovableOnly [ 1015.860724] 313617 pages reserved [ 1015.939654] blkid: page allocation stalls for 250030ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 1015.939663] CPU: 1 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 1015.939679] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 1015.939690] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 1015.939701] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1015.939703] Call Trace: [ 1015.939718] [] dump_stack+0xc1/0x128 [ 1015.939728] [] warn_alloc.cold.31+0x7f/0x9c [ 1015.939738] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1015.939747] [] ? shrink_node+0x740/0x740 [ 1015.939756] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1015.939765] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1015.939774] [] ? trace_hardirqs_on+0x10/0x10 [ 1015.939783] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1015.939792] [] ? validate_mm+0x2f4/0x580 [ 1015.939799] [] ? validate_mm+0x32e/0x580 [ 1015.939807] [] __pmd_alloc+0x47/0x320 [ 1015.939816] [] move_page_tables+0xa17/0xc70 [ 1015.939826] [] shift_arg_pages+0x1a8/0x430 [ 1015.939834] [] ? put_arg_page+0xd0/0xd0 [ 1015.939843] [] ? setup_arg_pages+0x27f/0x7b0 [ 1015.939851] [] setup_arg_pages+0x5fa/0x7b0 [ 1015.939860] [] ? shift_arg_pages+0x430/0x430 [ 1015.939869] [] load_elf_binary+0xaaa/0x4bc0 [ 1015.939877] [] ? trace_hardirqs_on+0x10/0x10 [ 1015.939885] [] ? audit_inode_permission+0x310/0x310 [ 1015.939894] [] ? elf_core_dump+0x4330/0x4330 [ 1015.939902] [] ? search_binary_handler+0xff/0x6f0 [ 1015.939911] [] search_binary_handler+0x14f/0x6f0 [ 1015.939928] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 1015.939937] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 1015.939946] [] ? prepare_bprm_creds+0x110/0x110 [ 1015.939955] [] ? getname_flags+0x229/0x550 [ 1015.939963] [] SyS_execve+0x42/0x50 [ 1015.939971] [] ? setup_new_exec+0x830/0x830 [ 1015.939979] [] do_syscall_64+0x19f/0x550 [ 1015.939989] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1015.939993] Mem-Info: [ 1015.940011] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1015.940011] active_file:0 inactive_file:41 isolated_file:0 [ 1015.940011] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1015.940011] slab_reclaimable:4627 slab_unreclaimable:57014 [ 1015.940011] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1015.940011] free:5997 free_pcp:106 free_cma:0 [ 1015.940026] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1015.940045] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1015.940074] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227460kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:304kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1015.940133] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 155*8kB (MEH) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 1015.940179] 0 pages in swap cache [ 1015.940184] Swap cache stats: add 0, delete 0, find 0/0 [ 1015.940186] Free swap = 0kB [ 1015.940188] Total swap = 0kB [ 1015.940191] 1965979 pages RAM [ 1015.940193] 0 pages HighMem/MovableOnly [ 1015.940195] 313617 pages reserved [ 1015.949676] syz-execprog: page allocation stalls for 250030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1015.949684] CPU: 0 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 1015.949698] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 1015.949709] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 1015.949720] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1015.949721] Call Trace: [ 1015.949732] [] dump_stack+0xc1/0x128 [ 1015.949741] [] warn_alloc.cold.31+0x7f/0x9c [ 1015.949750] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1015.949759] [] ? shrink_node+0x740/0x740 [ 1015.949768] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1015.949777] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1015.949786] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1015.949794] [] ? find_get_entry+0x11a/0x570 [ 1015.949801] [] ? find_get_entry+0x141/0x570 [ 1015.949809] [] ? page_cache_prev_hole+0x80/0x80 [ 1015.949818] [] ? autoremove_wake_function+0x40/0x40 [ 1015.949826] [] ? pagecache_get_page+0x131/0x710 [ 1015.949834] [] filemap_fault+0xaf1/0x1110 [ 1015.949843] [] ext4_filemap_fault+0x71/0xa0 [ 1015.949850] [] __do_fault+0x223/0x500 [ 1015.949857] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1015.949865] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1015.949873] [] handle_mm_fault+0x1326/0x2350 [ 1015.949881] [] ? poll_select_set_timeout+0xb5/0x120 [ 1015.949889] [] ? vm_insert_page+0x6f0/0x6f0 [ 1015.949897] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1015.949907] [] __do_page_fault+0x403/0xa60 [ 1015.949915] [] ? __fget_light+0x169/0x1f0 [ 1015.949922] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1015.949932] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1015.949939] [] do_page_fault+0x27/0x30 [ 1015.949947] [] page_fault+0x25/0x30 [ 1015.949950] Mem-Info: [ 1015.949967] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1015.949967] active_file:0 inactive_file:41 isolated_file:0 [ 1015.949967] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1015.949967] slab_reclaimable:4627 slab_unreclaimable:57014 [ 1015.949967] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1015.949967] free:5997 free_pcp:106 free_cma:0 [ 1015.949981] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1015.950001] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1015.950029] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227460kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:304kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1015.950087] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 155*8kB (MEH) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 1015.950133] 0 pages in swap cache [ 1015.950137] Swap cache stats: add 0, delete 0, find 0/0 [ 1015.950140] Free swap = 0kB [ 1015.950142] Total swap = 0kB [ 1015.950145] 1965979 pages RAM [ 1015.950147] 0 pages HighMem/MovableOnly [ 1015.950149] 313617 pages reserved [ 1015.989682] syz-execprog: page allocation stalls for 250060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1015.989691] CPU: 0 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 ** 30 printk messages dropped ** [ 1015.989963] [] do_page_fault+0x27/0x30 [ 1015.989971] [] page_fault+0x25/0x30 [ 1015.989975] Mem-Info: [ 1015.989993] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1015.989993] active_file:0 inactive_file:41 isolated_file:0 [ 1015.989993] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1015.989993] slab_reclaimable:4627 slab_unreclaimable:57014 [ 1015.989993] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1015.989993] free:5997 free_pcp:106 free_cma:0 [ 1015.990007] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1015.990027] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1015.990052] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227460kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:304kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1015.990111] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 155*8kB (MEH) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB ** 38 printk messages dropped ** [ 1016.348272] [] do_page_fault+0x27/0x30 [ 1016.348280] [] page_fault+0x25/0x30 [ 1016.348284] Mem-Info: [ 1016.348301] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1016.348301] active_file:0 inactive_file:41 isolated_file:0 [ 1016.348301] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1016.348301] slab_reclaimable:4627 slab_unreclaimable:57014 [ 1016.348301] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1016.348301] free:5997 free_pcp:106 free_cma:0 [ 1016.348315] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 42 printk messages dropped ** [ 1016.513685] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1016.513694] [] __do_page_fault+0x403/0xa60 ** 48 printk messages dropped ** [ 1016.596053] [] __do_page_fault+0x403/0xa60 [ 1016.596061] [] ? __fget_light+0x169/0x1f0 [ 1016.596069] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1016.596078] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1016.596086] [] do_page_fault+0x27/0x30 [ 1016.596094] [] page_fault+0x25/0x30 [ 1016.596098] Mem-Info: [ 1016.596115] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1016.596115] active_file:0 inactive_file:41 isolated_file:0 [ 1016.596115] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1016.596115] slab_reclaimable:4627 slab_unreclaimable:57014 [ 1016.596115] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1016.596115] free:5997 free_pcp:106 free_cma:0 [ 1016.596129] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1016.596148] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:596kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1016.596175] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227460kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:304kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1016.596230] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 8*32kB (ME) 8*64kB (UME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18668kB Normal: 268*4kB (UMH) 155*8kB (MEH) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 1016.596274] 0 pages in swap cache [ 1016.596278] Swap cache stats: add 0, delete 0, find 0/0 [ 1016.596280] Free swap = 0kB [ 1016.596282] Total swap = 0kB [ 1016.596284] 1965979 pages RAM [ 1016.596286] 0 pages HighMem/MovableOnly [ 1016.596288] 313617 pages reserved [ 1017.514619] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1017.514619] to free 108kB on behalf of 'syz-execprog' (2163) because [ 1017.514619] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1017.514619] Free memory is -13516kB above reserved [ 1017.514631] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1017.514631] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 1017.514631] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1017.514631] Free memory is -13516kB above reserved [ 1018.524664] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1018.524664] to free 108kB on behalf of 'init' (1) because [ 1018.524664] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1018.524664] Free memory is -13532kB above reserved [ 1019.380636] init: page allocation stalls for 250060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1019.380646] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 1019.380663] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 1019.380674] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 1019.380685] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1019.380687] Call Trace: [ 1019.380703] [] dump_stack+0xc1/0x128 [ 1019.380713] [] warn_alloc.cold.31+0x7f/0x9c [ 1019.380724] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1019.380732] [] ? shrink_node+0x740/0x740 [ 1019.380742] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1019.380750] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1019.380760] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1019.380768] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1019.380776] [] ? find_get_entry+0x11a/0x570 [ 1019.380784] [] ? find_get_entry+0x141/0x570 [ 1019.380791] [] ? page_cache_prev_hole+0x80/0x80 [ 1019.380799] [] ? pagecache_get_page+0x131/0x710 [ 1019.380807] [] filemap_fault+0xaf1/0x1110 [ 1019.380817] [] ext4_filemap_fault+0x71/0xa0 [ 1019.380825] [] __do_fault+0x223/0x500 [ 1019.380832] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1019.380840] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1019.380848] [] handle_mm_fault+0x1326/0x2350 [ 1019.380856] [] ? vm_insert_page+0x6f0/0x6f0 [ 1019.380866] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1019.380875] [] __do_page_fault+0x403/0xa60 [ 1019.380883] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1019.380894] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1019.380901] [] do_page_fault+0x27/0x30 [ 1019.380910] [] page_fault+0x25/0x30 [ 1019.380914] Mem-Info: [ 1019.380940] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1019.380940] active_file:0 inactive_file:41 isolated_file:0 [ 1019.380940] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1019.380940] slab_reclaimable:4627 slab_unreclaimable:57018 [ 1019.380940] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1019.380940] free:5993 free_pcp:106 free_cma:0 [ 1019.380955] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1019.380975] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:612kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1019.381003] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227460kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:304kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1019.381063] DMA32: 7*4kB (UME) 8*8kB (UME) 10*16kB (UME) 9*32kB (UME) 7*64kB (ME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18652kB Normal: 268*4kB (UMH) 155*8kB (MEH) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 1019.381111] 0 pages in swap cache [ 1019.381115] Swap cache stats: add 0, delete 0, find 0/0 [ 1019.381118] Free swap = 0kB [ 1019.381120] Total swap = 0kB [ 1019.381122] 1965979 pages RAM [ 1019.381125] 0 pages HighMem/MovableOnly [ 1019.381127] 313617 pages reserved [ 1019.534576] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1019.534576] to free 108kB on behalf of 'cron' (1948) because [ 1019.534576] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1019.534576] Free memory is -13532kB above reserved [ 1020.544658] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1020.544658] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 1020.544658] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1020.544658] Free memory is -13532kB above reserved [ 1021.554584] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1021.554584] to free 108kB on behalf of 'udevd' (589) because [ 1021.554584] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1021.554584] Free memory is -13532kB above reserved [ 1022.564650] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1022.564650] to free 108kB on behalf of 'syz-executor.0' (2335) because [ 1022.564650] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1022.564650] Free memory is -13532kB above reserved [ 1023.574575] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1023.574575] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 1023.574575] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1023.574575] Free memory is -13532kB above reserved [ 1024.584584] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1024.584584] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 1024.584584] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1024.584584] Free memory is -13532kB above reserved [ 1025.169323] cron: page allocation stalls for 240010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1025.169332] CPU: 0 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 1025.169350] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 1025.169361] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 1025.169371] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1025.169373] Call Trace: [ 1025.169389] [] dump_stack+0xc1/0x128 [ 1025.169400] [] warn_alloc.cold.31+0x7f/0x9c [ 1025.169410] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1025.169427] [] ? shrink_node+0x740/0x740 [ 1025.169438] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1025.169446] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1025.169456] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1025.169464] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1025.169472] [] ? find_get_entry+0x11a/0x570 [ 1025.169479] [] ? find_get_entry+0x141/0x570 [ 1025.169487] [] ? page_cache_prev_hole+0x80/0x80 [ 1025.169495] [] ? pagecache_get_page+0x131/0x710 [ 1025.169502] [] filemap_fault+0xaf1/0x1110 [ 1025.169512] [] ext4_filemap_fault+0x71/0xa0 [ 1025.169519] [] __do_fault+0x223/0x500 [ 1025.169526] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1025.169535] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1025.169543] [] handle_mm_fault+0x1326/0x2350 [ 1025.169551] [] ? vm_insert_page+0x6f0/0x6f0 [ 1025.169559] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1025.169569] [] __do_page_fault+0x403/0xa60 [ 1025.169577] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1025.169587] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1025.169595] [] do_page_fault+0x27/0x30 [ 1025.169604] [] page_fault+0x25/0x30 [ 1025.169607] Mem-Info: [ 1025.169626] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1025.169626] active_file:0 inactive_file:41 isolated_file:0 [ 1025.169626] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1025.169626] slab_reclaimable:4627 slab_unreclaimable:57018 [ 1025.169626] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1025.169626] free:5993 free_pcp:106 free_cma:0 [ 1025.169640] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1025.169660] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:612kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1025.169686] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227460kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:304kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1025.169745] DMA32: 7*4kB (UME) 8*8kB (UME) 10*16kB (UME) 9*32kB (UME) 7*64kB (ME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18652kB Normal: 268*4kB (UMH) 155*8kB (MEH) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 1025.169792] 0 pages in swap cache [ 1025.169796] Swap cache stats: add 0, delete 0, find 0/0 [ 1025.169798] Free swap = 0kB [ 1025.169801] Total swap = 0kB [ 1025.169803] 1965979 pages RAM [ 1025.169805] 0 pages HighMem/MovableOnly [ 1025.169808] 313617 pages reserved [ 1025.594606] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1025.594606] to free 108kB on behalf of 'syz-executor.5' (2327) because [ 1025.594606] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1025.594606] Free memory is -13532kB above reserved [ 1025.857961] syz-execprog: page allocation stalls for 260010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1025.857971] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 1025.857988] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 1025.857999] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 1025.858010] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1025.858012] Call Trace: [ 1025.858028] [] dump_stack+0xc1/0x128 [ 1025.858038] [] warn_alloc.cold.31+0x7f/0x9c [ 1025.858048] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1025.858058] [] ? shrink_node+0x740/0x740 [ 1025.858067] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1025.858076] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1025.858085] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1025.858094] [] ? check_preemption_disabled+0x3b/0x200 [ 1025.858102] [] ? find_get_entry+0x11a/0x570 [ 1025.858110] [] ? find_get_entry+0x141/0x570 [ 1025.858117] [] ? page_cache_prev_hole+0x80/0x80 [ 1025.858125] [] ? trace_hardirqs_on+0x10/0x10 [ 1025.858133] [] ? pagecache_get_page+0x131/0x710 [ 1025.858141] [] filemap_fault+0xaf1/0x1110 [ 1025.858150] [] ext4_filemap_fault+0x71/0xa0 [ 1025.858158] [] __do_fault+0x223/0x500 [ 1025.858165] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1025.858173] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1025.858181] [] handle_mm_fault+0x1326/0x2350 [ 1025.858190] [] ? poll_select_set_timeout+0xb5/0x120 [ 1025.858198] [] ? vm_insert_page+0x6f0/0x6f0 [ 1025.858220] [] __do_page_fault+0x403/0xa60 [ 1025.858228] [] ? __fget_light+0x169/0x1f0 [ 1025.858236] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1025.858247] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1025.858254] [] do_page_fault+0x27/0x30 [ 1025.858263] [] page_fault+0x25/0x30 [ 1025.858267] Mem-Info: [ 1025.858285] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1025.858285] active_file:0 inactive_file:41 isolated_file:0 [ 1025.858285] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1025.858285] slab_reclaimable:4627 slab_unreclaimable:57018 [ 1025.858285] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1025.858285] free:5993 free_pcp:106 free_cma:0 [ 1025.858299] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1025.858319] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:612kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1025.858347] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227460kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:304kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1025.858408] DMA32: 7*4kB (UME) 8*8kB (UME) 10*16kB (UME) 9*32kB (UME) 7*64kB (ME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18652kB Normal: 268*4kB (UMH) 155*8kB (MEH) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 1025.858454] 0 pages in swap cache [ 1025.858459] Swap cache stats: add 0, delete 0, find 0/0 [ 1025.858461] Free swap = 0kB [ 1025.858463] Total swap = 0kB [ 1025.858465] 1965979 pages RAM [ 1025.858468] 0 pages HighMem/MovableOnly [ 1025.858470] 313617 pages reserved [ 1025.918306] blkid: page allocation stalls for 260010ms, order:0, mode:0x25080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO) [ 1025.918316] CPU: 0 PID: 2353 Comm: blkid Not tainted 4.9.141+ #23 [ 1025.918333] ffff8800380bf568 ffffffff81b42e79 1ffff10007017eaf ffff8801c7c08000 [ 1025.918344] ffffffff82a97480 0000000000000001 0000000000400000 ffff8800380bf6b0 [ 1025.918355] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1025.918357] Call Trace: [ 1025.918373] [] dump_stack+0xc1/0x128 [ 1025.918383] [] warn_alloc.cold.31+0x7f/0x9c [ 1025.918393] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1025.918402] [] ? shrink_node+0x740/0x740 [ 1025.918411] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1025.918429] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1025.918438] [] ? trace_hardirqs_on+0x10/0x10 [ 1025.918446] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1025.918455] [] ? validate_mm+0x2f4/0x580 [ 1025.918462] [] ? validate_mm+0x32e/0x580 [ 1025.918470] [] __pmd_alloc+0x47/0x320 [ 1025.918479] [] move_page_tables+0xa17/0xc70 [ 1025.918488] [] shift_arg_pages+0x1a8/0x430 [ 1025.918497] [] ? put_arg_page+0xd0/0xd0 [ 1025.918505] [] ? setup_arg_pages+0x27f/0x7b0 [ 1025.918513] [] setup_arg_pages+0x5fa/0x7b0 [ 1025.918522] [] ? shift_arg_pages+0x430/0x430 [ 1025.918532] [] load_elf_binary+0xaaa/0x4bc0 [ 1025.918539] [] ? trace_hardirqs_on+0x10/0x10 [ 1025.918547] [] ? audit_inode_permission+0x310/0x310 [ 1025.918556] [] ? elf_core_dump+0x4330/0x4330 [ 1025.918564] [] ? search_binary_handler+0xff/0x6f0 [ 1025.918573] [] search_binary_handler+0x14f/0x6f0 [ 1025.918582] [] do_execveat_common.isra.14+0x1139/0x1ed0 [ 1025.918591] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 1025.918600] [] ? prepare_bprm_creds+0x110/0x110 [ 1025.918608] [] ? getname_flags+0x229/0x550 [ 1025.918617] [] SyS_execve+0x42/0x50 [ 1025.918625] [] ? setup_new_exec+0x830/0x830 [ 1025.918633] [] do_syscall_64+0x19f/0x550 [ 1025.918643] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1025.918647] Mem-Info: [ 1025.918665] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1025.918665] active_file:0 inactive_file:41 isolated_file:0 [ 1025.918665] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1025.918665] slab_reclaimable:4627 slab_unreclaimable:57018 [ 1025.918665] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1025.918665] free:5993 free_pcp:106 free_cma:0 [ 1025.918679] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1025.918699] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:612kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1025.918727] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227460kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:304kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1025.918785] DMA32: 7*4kB (UME) 8*8kB (UME) 10*16kB (UME) 9*32kB (UME) 7*64kB (ME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18652kB Normal: 268*4kB (UMH) 155*8kB (MEH) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 1025.918832] 0 pages in swap cache [ 1025.918836] Swap cache stats: add 0, delete 0, find 0/0 [ 1025.918838] Free swap = 0kB [ 1025.918841] Total swap = 0kB [ 1025.918843] 1965979 pages RAM [ 1025.918845] 0 pages HighMem/MovableOnly [ 1025.918848] 313617 pages reserved [ 1025.944620] syz-execprog: page allocation stalls for 260030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1025.944629] CPU: 0 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 1025.944645] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 1025.944655] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 1025.944665] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1025.944667] Call Trace: [ 1025.944683] [] dump_stack+0xc1/0x128 [ 1025.944693] [] warn_alloc.cold.31+0x7f/0x9c [ 1025.944703] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1025.944711] [] ? shrink_node+0x740/0x740 [ 1025.944721] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1025.944730] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1025.944738] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1025.944746] [] ? find_get_entry+0x11a/0x570 [ 1025.944753] [] ? find_get_entry+0x141/0x570 [ 1025.944759] [] ? page_cache_prev_hole+0x80/0x80 [ 1025.944768] [] ? autoremove_wake_function+0x40/0x40 [ 1025.944775] [] ? pagecache_get_page+0x131/0x710 [ 1025.944783] [] filemap_fault+0xaf1/0x1110 [ 1025.944791] [] ext4_filemap_fault+0x71/0xa0 [ 1025.944798] [] __do_fault+0x223/0x500 [ 1025.944805] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1025.944813] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1025.944820] [] handle_mm_fault+0x1326/0x2350 [ 1025.944829] [] ? poll_select_set_timeout+0xb5/0x120 [ 1025.944836] [] ? vm_insert_page+0x6f0/0x6f0 [ 1025.944844] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1025.944853] [] __do_page_fault+0x403/0xa60 [ 1025.944861] [] ? __fget_light+0x169/0x1f0 [ 1025.944868] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1025.944877] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1025.944884] [] do_page_fault+0x27/0x30 [ 1025.944892] [] page_fault+0x25/0x30 [ 1025.944896] Mem-Info: [ 1025.944913] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1025.944913] active_file:0 inactive_file:41 isolated_file:0 [ 1025.944913] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1025.944913] slab_reclaimable:4627 slab_unreclaimable:57018 [ 1025.944913] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1025.944913] free:5993 free_pcp:106 free_cma:0 [ 1025.944926] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1025.944945] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:612kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1025.944972] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227460kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:304kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1025.945028] DMA32: 7*4kB (UME) 8*8kB (UME) 10*16kB (UME) 9*32kB (UME) 7*64kB (ME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18652kB Normal: 268*4kB (UMH) 155*8kB (MEH) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 1025.945072] 0 pages in swap cache [ 1025.945076] Swap cache stats: add 0, delete 0, find 0/0 [ 1025.945078] Free swap = 0kB [ 1025.945080] Total swap = 0kB [ 1025.945082] 1965979 pages RAM [ 1025.945084] 0 pages HighMem/MovableOnly [ 1025.945087] 313617 pages reserved [ 1025.958313] syz-execprog: page allocation stalls for 260030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1025.958321] CPU: 1 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 1025.958335] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 1025.958346] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 1025.958357] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1025.958359] Call Trace: [ 1025.958371] [] dump_stack+0xc1/0x128 [ 1025.958379] [] warn_alloc.cold.31+0x7f/0x9c [ 1025.958388] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1025.958397] [] ? shrink_node+0x740/0x740 [ 1025.958406] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1025.958413] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1025.958421] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1025.958429] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1025.958437] [] ? find_get_entry+0x11a/0x570 [ 1025.958444] [] ? find_get_entry+0x141/0x570 [ 1025.958451] [] ? page_cache_prev_hole+0x80/0x80 [ 1025.958460] [] ? autoremove_wake_function+0x40/0x40 [ 1025.958467] [] ? pagecache_get_page+0x131/0x710 [ 1025.958475] [] filemap_fault+0xaf1/0x1110 [ 1025.958484] [] ext4_filemap_fault+0x71/0xa0 [ 1025.958491] [] __do_fault+0x223/0x500 [ 1025.958498] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1025.958506] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1025.958514] [] handle_mm_fault+0x1326/0x2350 [ 1025.958521] [] ? vm_insert_page+0x6f0/0x6f0 [ 1025.958530] [] ? selinux_file_permission+0x82/0x470 [ 1025.958540] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1025.958548] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 11 printk messages dropped ** [ 1025.958682] lowmem_reserve[]: 0 0 0 [ 1025.958731] DMA32: 7*4kB (UME) 8*8kB (UME) 10*16kB (UME) 9*32kB (UME) 7*64kB (ME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18652kB Normal: 268*4kB (UMH) 155*8kB (MEH) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 1025.958778] 0 pages in swap cache [ 1025.958782] Swap cache stats: add 0, delete 0, find 0/0 [ 1025.958784] Free swap = 0kB [ 1025.958786] Total swap = 0kB [ 1025.958789] 1965979 pages RAM [ 1025.958791] 0 pages HighMem/MovableOnly [ 1025.958793] 313617 pages reserved [ 1026.323841] udevd: page allocation stalls for 260030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1026.323849] CPU: 0 PID: 589 Comm: udevd Not tainted 4.9.141+ #23 ** 36 printk messages dropped ** [ 1026.324192] lowmem_reserve[]: 0 0 0 [ 1026.324239] DMA32: 7*4kB (UME) 8*8kB (UME) 10*16kB (UME) 9*32kB (UME) 7*64kB (ME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18652kB Normal: 268*4kB (UMH) 155*8kB (MEH) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages ** 46 printk messages dropped ** [ 1026.500430] lowmem_reserve[]: 0 0 0 [ 1026.500481] DMA32: 7*4kB (UME) 8*8kB (UME) 10*16kB (UME) 9*32kB (UME) 7*64kB (ME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18652kB ** 47 printk messages dropped ** [ 1026.612104] lowmem_reserve[]: 0 3505 3505 [ 1026.612124] Normal free:5320kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227460kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:304kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1026.612183] DMA32: 7*4kB (UME) 8*8kB (UME) 10*16kB (UME) 9*32kB (UME) 7*64kB (ME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18652kB Normal: 268*4kB (UMH) 155*8kB (MEH) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5320kB 90 total pagecache pages [ 1026.612231] 0 pages in swap cache [ 1026.612235] Swap cache stats: add 0, delete 0, find 0/0 [ 1026.612237] Free swap = 0kB [ 1026.612239] Total swap = 0kB [ 1026.612242] 1965979 pages RAM [ 1026.612244] 0 pages HighMem/MovableOnly [ 1026.612247] 313617 pages reserved [ 1027.614592] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1027.614592] to free 108kB on behalf of 'syz-execprog' (2160) because [ 1027.614592] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1027.614592] Free memory is -13532kB above reserved [ 1027.614611] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1027.614611] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 1027.614611] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1027.614611] Free memory is -13532kB above reserved [ 1028.624635] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1028.624635] to free 108kB on behalf of 'udevd' (588) because [ 1028.624635] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1028.624635] Free memory is -13556kB above reserved [ 1028.624647] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1028.624647] to free 108kB on behalf of 'syz-execprog' (2156) because [ 1028.624647] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1028.624647] Free memory is -13556kB above reserved [ 1029.383343] init: page allocation stalls for 260060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1029.383352] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 1029.383368] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 1029.383378] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 1029.383388] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1029.383389] Call Trace: [ 1029.383405] [] dump_stack+0xc1/0x128 [ 1029.383415] [] warn_alloc.cold.31+0x7f/0x9c [ 1029.383432] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1029.383441] [] ? shrink_node+0x740/0x740 [ 1029.383450] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1029.383459] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1029.383467] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1029.383476] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1029.383483] [] ? find_get_entry+0x11a/0x570 [ 1029.383490] [] ? find_get_entry+0x141/0x570 [ 1029.383497] [] ? page_cache_prev_hole+0x80/0x80 [ 1029.383505] [] ? pagecache_get_page+0x131/0x710 [ 1029.383512] [] filemap_fault+0xaf1/0x1110 [ 1029.383521] [] ext4_filemap_fault+0x71/0xa0 [ 1029.383528] [] __do_fault+0x223/0x500 [ 1029.383535] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1029.383543] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1029.383551] [] handle_mm_fault+0x1326/0x2350 [ 1029.383558] [] ? vm_insert_page+0x6f0/0x6f0 [ 1029.383567] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1029.383576] [] __do_page_fault+0x403/0xa60 [ 1029.383584] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1029.383594] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1029.383601] [] do_page_fault+0x27/0x30 [ 1029.383609] [] page_fault+0x25/0x30 [ 1029.383613] Mem-Info: [ 1029.383630] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1029.383630] active_file:0 inactive_file:41 isolated_file:0 [ 1029.383630] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1029.383630] slab_reclaimable:4627 slab_unreclaimable:57025 [ 1029.383630] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1029.383630] free:5987 free_pcp:105 free_cma:0 [ 1029.383643] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1029.383661] DMA32 free:18636kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:628kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1029.383688] Normal free:5312kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227472kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:300kB local_pcp:72kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1029.383743] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 9*32kB (UME) 7*64kB (ME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18636kB Normal: 268*4kB (UMH) 154*8kB (ME) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5312kB 90 total pagecache pages [ 1029.383786] 0 pages in swap cache [ 1029.383790] Swap cache stats: add 0, delete 0, find 0/0 [ 1029.383792] Free swap = 0kB [ 1029.383794] Total swap = 0kB [ 1029.383797] 1965979 pages RAM [ 1029.383799] 0 pages HighMem/MovableOnly [ 1029.383801] 313617 pages reserved [ 1029.634550] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1029.634550] to free 108kB on behalf of 'blkid' (2353) because [ 1029.634550] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1029.634550] Free memory is -13556kB above reserved [ 1029.670569] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1029.670569] to free 108kB on behalf of 'init' (1) because [ 1029.670569] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1029.670569] Free memory is -13556kB above reserved [ 1030.674586] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1030.674586] to free 108kB on behalf of 'syz-execprog' (2160) because [ 1030.674586] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1030.674586] Free memory is -13556kB above reserved [ 1030.674602] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1030.674602] to free 108kB on behalf of 'blkid' (2353) because [ 1030.674602] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1030.674602] Free memory is -13556kB above reserved [ 1031.684594] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1031.684594] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 1031.684594] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1031.684594] Free memory is -13556kB above reserved [ 1032.694639] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1032.694639] to free 108kB on behalf of 'cron' (1948) because [ 1032.694639] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1032.694639] Free memory is -13556kB above reserved [ 1032.694651] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1032.694651] to free 108kB on behalf of 'syz-executor.1' (2339) because [ 1032.694651] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1032.694651] Free memory is -13556kB above reserved [ 1033.704578] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1033.704578] to free 108kB on behalf of 'syz-execprog' (2171) because [ 1033.704578] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1033.704578] Free memory is -13556kB above reserved [ 1034.714580] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1034.714580] to free 108kB on behalf of 'udevd' (588) because [ 1034.714580] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1034.714580] Free memory is -13556kB above reserved [ 1035.181464] cron: page allocation stalls for 250020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1035.181474] CPU: 1 PID: 1948 Comm: cron Not tainted 4.9.141+ #23 [ 1035.181490] ffff8801d2e577c0 ffffffff81b42e79 1ffff1003a5caefa ffff8801d3234740 [ 1035.181501] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2e57908 [ 1035.181511] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1035.181513] Call Trace: [ 1035.181529] [] dump_stack+0xc1/0x128 [ 1035.181540] [] warn_alloc.cold.31+0x7f/0x9c [ 1035.181550] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1035.181559] [] ? shrink_node+0x740/0x740 [ 1035.181568] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1035.181577] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1035.181587] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1035.181595] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1035.181603] [] ? find_get_entry+0x11a/0x570 [ 1035.181610] [] ? find_get_entry+0x141/0x570 [ 1035.181618] [] ? page_cache_prev_hole+0x80/0x80 [ 1035.181626] [] ? pagecache_get_page+0x131/0x710 [ 1035.181634] [] filemap_fault+0xaf1/0x1110 [ 1035.181643] [] ext4_filemap_fault+0x71/0xa0 [ 1035.181651] [] __do_fault+0x223/0x500 [ 1035.181658] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1035.181667] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1035.181675] [] handle_mm_fault+0x1326/0x2350 [ 1035.181682] [] ? vm_insert_page+0x6f0/0x6f0 [ 1035.181691] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1035.181701] [] __do_page_fault+0x403/0xa60 [ 1035.181709] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1035.181720] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1035.181727] [] do_page_fault+0x27/0x30 [ 1035.181736] [] page_fault+0x25/0x30 [ 1035.181739] Mem-Info: [ 1035.181757] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1035.181757] active_file:0 inactive_file:41 isolated_file:0 [ 1035.181757] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1035.181757] slab_reclaimable:4627 slab_unreclaimable:57025 [ 1035.181757] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1035.181757] free:5987 free_pcp:105 free_cma:0 [ 1035.181772] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1035.181791] DMA32 free:18636kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:628kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1035.181820] Normal free:5312kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227472kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:300kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1035.181880] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 9*32kB (UME) 7*64kB (ME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18636kB Normal: 268*4kB (UMH) 154*8kB (ME) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5312kB 90 total pagecache pages [ 1035.181934] 0 pages in swap cache [ 1035.181939] Swap cache stats: add 0, delete 0, find 0/0 [ 1035.181941] Free swap = 0kB [ 1035.181943] Total swap = 0kB [ 1035.181946] 1965979 pages RAM [ 1035.181948] 0 pages HighMem/MovableOnly [ 1035.181951] 313617 pages reserved [ 1035.724560] lowmemorykiller: Killing 'syz-executor.5' (2327) (tgid 2326), adj 1000, [ 1035.724560] to free 108kB on behalf of 'syz-executor.3' (2350) because [ 1035.724560] cache 168kB is below limit 6144kB for oom_score_adj 0 [ 1035.724560] Free memory is -13556kB above reserved [ 1035.891030] syz-execprog: page allocation stalls for 270040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1035.891040] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 1035.891057] ffff8801ca8bf7c0 ffffffff81b42e79 1ffff10039517efa ffff8801cbe65f00 [ 1035.891067] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca8bf908 [ 1035.891078] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1035.891080] Call Trace: [ 1035.891095] [] dump_stack+0xc1/0x128 [ 1035.891105] [] warn_alloc.cold.31+0x7f/0x9c [ 1035.891115] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1035.891124] [] ? shrink_node+0x740/0x740 [ 1035.891133] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1035.891142] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1035.891151] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1035.891161] [] ? check_preemption_disabled+0x3b/0x200 [ 1035.891168] [] ? find_get_entry+0x11a/0x570 [ 1035.891176] [] ? find_get_entry+0x141/0x570 [ 1035.891184] [] ? page_cache_prev_hole+0x80/0x80 [ 1035.891192] [] ? trace_hardirqs_on+0x10/0x10 [ 1035.891200] [] ? pagecache_get_page+0x131/0x710 [ 1035.891208] [] filemap_fault+0xaf1/0x1110 [ 1035.891217] [] ext4_filemap_fault+0x71/0xa0 [ 1035.891224] [] __do_fault+0x223/0x500 [ 1035.891232] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1035.891240] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1035.891247] [] handle_mm_fault+0x1326/0x2350 [ 1035.891257] [] ? poll_select_set_timeout+0xb5/0x120 [ 1035.891264] [] ? vm_insert_page+0x6f0/0x6f0 [ 1035.891274] [] __do_page_fault+0x403/0xa60 [ 1035.891283] [] ? __fget_light+0x169/0x1f0 [ 1035.891291] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1035.891301] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1035.891308] [] do_page_fault+0x27/0x30 [ 1035.891317] [] page_fault+0x25/0x30 [ 1035.891321] Mem-Info: [ 1035.891339] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1035.891339] active_file:0 inactive_file:41 isolated_file:0 [ 1035.891339] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1035.891339] slab_reclaimable:4627 slab_unreclaimable:57025 [ 1035.891339] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1035.891339] free:5987 free_pcp:105 free_cma:0 [ 1035.891353] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1035.891373] DMA32 free:18636kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:628kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1035.891401] Normal free:5312kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227472kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:300kB local_pcp:72kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1035.891469] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 9*32kB (UME) 7*64kB (ME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18636kB Normal: 268*4kB (UMH) 154*8kB (ME) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5312kB 90 total pagecache pages [ 1035.891516] 0 pages in swap cache [ 1035.891520] Swap cache stats: add 0, delete 0, find 0/0 [ 1035.891523] Free swap = 0kB [ 1035.891525] Total swap = 0kB [ 1035.891527] 1965979 pages RAM [ 1035.891530] 0 pages HighMem/MovableOnly [ 1035.891532] 313617 pages reserved [ 1035.944166] syz-execprog: page allocation stalls for 270010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1035.944176] CPU: 0 PID: 2163 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 1035.944191] ffff8801ca98f7c0 ffffffff81b42e79 1ffff10039531efa ffff8801cc622f80 [ 1035.944201] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca98f908 [ 1035.944211] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1035.944213] Call Trace: [ 1035.944228] [] dump_stack+0xc1/0x128 [ 1035.944238] [] warn_alloc.cold.31+0x7f/0x9c [ 1035.944248] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1035.944256] [] ? shrink_node+0x740/0x740 [ 1035.944265] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1035.944273] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1035.944282] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1035.944289] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1035.944297] [] ? find_get_entry+0x11a/0x570 [ 1035.944304] [] ? find_get_entry+0x141/0x570 [ 1035.944311] [] ? page_cache_prev_hole+0x80/0x80 [ 1035.944320] [] ? autoremove_wake_function+0x40/0x40 [ 1035.944328] [] ? pagecache_get_page+0x131/0x710 [ 1035.944335] [] filemap_fault+0xaf1/0x1110 [ 1035.944344] [] ext4_filemap_fault+0x71/0xa0 [ 1035.944351] [] __do_fault+0x223/0x500 [ 1035.944357] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1035.944365] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1035.944372] [] handle_mm_fault+0x1326/0x2350 [ 1035.944380] [] ? vm_insert_page+0x6f0/0x6f0 [ 1035.944388] [] ? selinux_file_permission+0x82/0x470 [ 1035.944396] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 1035.944404] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1035.944413] [] __do_page_fault+0x403/0xa60 [ 1035.944428] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1035.944438] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1035.944445] [] do_page_fault+0x27/0x30 [ 1035.944454] [] page_fault+0x25/0x30 [ 1035.944457] Mem-Info: [ 1035.944480] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1035.944480] active_file:0 inactive_file:41 isolated_file:0 [ 1035.944480] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1035.944480] slab_reclaimable:4627 slab_unreclaimable:57025 [ 1035.944480] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1035.944480] free:5987 free_pcp:105 free_cma:0 [ 1035.960801] syz-execprog: page allocation stalls for 270040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1035.960811] CPU: 0 PID: 2160 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 1035.960826] ffff8801ca9b77c0 ffffffff81b42e79 1ffff10039536efa ffff8801ca8197c0 [ 1035.960837] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca9b7908 [ 1035.960848] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1035.960850] Call Trace: [ 1035.960864] [] dump_stack+0xc1/0x128 [ 1035.960874] [] warn_alloc.cold.31+0x7f/0x9c [ 1035.960884] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1035.960894] [] ? shrink_node+0x740/0x740 [ 1035.960903] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1035.960912] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1035.960920] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1035.960927] [] ? find_get_entry+0x11a/0x570 [ 1035.960935] [] ? find_get_entry+0x141/0x570 [ 1035.960942] [] ? page_cache_prev_hole+0x80/0x80 [ 1035.960951] [] ? autoremove_wake_function+0x40/0x40 [ 1035.960959] [] ? pagecache_get_page+0x131/0x710 [ 1035.960967] [] filemap_fault+0xaf1/0x1110 [ 1035.960976] [] ext4_filemap_fault+0x71/0xa0 [ 1035.960983] [] __do_fault+0x223/0x500 [ 1035.960991] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1035.960999] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1035.961007] [] handle_mm_fault+0x1326/0x2350 [ 1035.961017] [] ? poll_select_set_timeout+0xb5/0x120 [ 1035.961024] [] ? vm_insert_page+0x6f0/0x6f0 [ 1035.961033] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1035.961042] [] __do_page_fault+0x403/0xa60 [ 1035.961050] [] ? __fget_light+0x169/0x1f0 [ 1035.961058] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1035.961068] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1035.961076] [] do_page_fault+0x27/0x30 [ 1035.961084] [] page_fault+0x25/0x30 [ 1035.961088] Mem-Info: [ 1035.961106] active_anon:5497 inactive_anon:39 isolated_anon:0 [ 1035.961106] active_file:0 inactive_file:41 isolated_file:0 [ 1035.961106] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1035.961106] slab_reclaimable:4627 slab_unreclaimable:57025 [ 1035.961106] mapped:5 shmem:48 pagetables:361 bounce:0 [ 1035.961106] free:5987 free_pcp:105 free_cma:0 [ 1035.961120] Node 0 active_anon:21988kB inactive_anon:156kB active_file:0kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1035.961139] DMA32 free:18636kB min:4696kB low:7712kB high:10728kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:84kB slab_unreclaimable:628kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1035.961167] Normal free:5312kB min:5580kB low:9168kB high:12756kB active_anon:21944kB inactive_anon:156kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18424kB slab_unreclaimable:227472kB kernel_stack:3840kB pagetables:1440kB bounce:0kB free_pcp:300kB local_pcp:72kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1035.961228] DMA32: 7*4kB (UME) 8*8kB (UME) 9*16kB (ME) 9*32kB (UME) 7*64kB (ME) 6*128kB (ME) 8*256kB (UME) 7*512kB (UME) 7*1024kB (UME) 2*2048kB (UM) 0*4096kB = 18636kB Normal: 268*4kB (UMH) 154*8kB (ME) 80*16kB (MH) 38*32kB (UMH) 8*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5312kB 90 total pagecache pages [ 1035.961274] 0 pages in swap cache [ 1035.961279] Swap cache stats: add 0, delete 0, find 0/0 [ 1035.961281] Free swap = 0kB [ 1035.961283] Total swap = 0kB [ 1035.961286] 1965979 pages RAM [ 1035.961288] 0 pages HighMem/MovableOnly