INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.150' (ECDSA) to the list of known hosts. [ 255.247174] audit: type=1400 audit(1562542100.982:5): avc: denied { sys_admin } for pid=2101 comm="syz-executor922" 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 [ 255.283058] audit: type=1400 audit(1562542101.012:6): avc: denied { net_admin } for pid=2107 comm="syz-executor922" 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 [ 255.537514] audit: type=1400 audit(1562542101.272:7): avc: denied { sys_chroot } for pid=2106 comm="syz-executor922" 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 executing program [ 255.565885] audit: type=1400 audit(1562542101.302:8): avc: denied { associate } for pid=2106 comm="syz-executor922" name="syz2" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 executing program executing program executing program executing program executing program [ 257.260737] lowmemorykiller: Killing 'syz-executor922' (2241) (tgid 2240), adj 1000, [ 257.260737] to free 796kB on behalf of 'kswapd0' (33) because [ 257.260737] cache 36888kB is below limit 65536kB for oom_score_adj 12 [ 257.260737] Free memory is -13264kB above reserved [ 257.296608] lowmemorykiller: Killing 'syz-executor922' (2241) (tgid 2240), adj 1000, [ 257.296608] to free 796kB on behalf of 'syz-executor922' (2258) because [ 257.296608] cache 34288kB is below limit 65536kB for oom_score_adj 12 [ 257.296608] Free memory is -13356kB above reserved [ 257.590941] oom_reaper: reaped process 2258 (syz-executor922), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 257.621094] oom_reaper: reaped process 2267 (syz-executor922), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 257.651146] syz-executor922: vmalloc: allocation failure, allocated 455778304 of 4278198272 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 257.651155] CPU: 0 PID: 2258 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 257.651169] ffff8801aa287958 ffffffff81b42e79 1ffff10035450f2d dffffc0000000000 [ 257.651180] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801aa287aa0 [ 257.651190] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 257.651192] Call Trace: [ 257.651208] [] dump_stack+0xc1/0x128 [ 257.651218] [] warn_alloc.cold.31+0x7f/0x9c [ 257.651228] [] ? zone_watermark_ok_safe+0x250/0x250 [ 257.651239] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 257.651247] [] ? retint_kernel+0x2d/0x2d [ 257.651256] [] __vmalloc_node_range+0x3f8/0x600 [ 257.651265] [] ? xt_alloc_table_info+0xc9/0x100 [ 257.651272] [] vmalloc+0x5b/0x70 [ 257.651279] [] ? xt_alloc_table_info+0xc9/0x100 [ 257.651286] [] xt_alloc_table_info+0xc9/0x100 [ 257.651296] [] do_replace.isra.7+0xfd/0x470 [ 257.651305] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 257.651314] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 257.651321] [] ? selinux_capable+0x36/0x40 [ 257.651331] [] ? ns_capable_common+0x12a/0x150 [ 257.651339] [] do_arpt_set_ctl+0xff/0x140 [ 257.651348] [] nf_setsockopt+0x6d/0xc0 [ 257.651357] [] ip_setsockopt+0x88/0xa0 [ 257.651365] [] tcp_setsockopt+0x88/0xe0 [ 257.651374] [] sock_common_setsockopt+0x9a/0xe0 [ 257.651381] [] SyS_setsockopt+0x166/0x260 [ 257.651388] [] ? SyS_recv+0x40/0x40 [ 257.651396] [] ? setxattr+0x270/0x270 [ 257.651403] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 257.651410] [] ? do_syscall_64+0x48/0x550 [ 257.651417] [] ? SyS_recv+0x40/0x40 [ 257.651424] [] do_syscall_64+0x19f/0x550 [ 257.651432] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 257.651436] Mem-Info: [ 257.651454] active_anon:3099 inactive_anon:41 isolated_anon:0 [ 257.651454] active_file:54 inactive_file:62 isolated_file:4 [ 257.651454] unevictable:0 dirty:0 writeback:0 unstable:0 [ 257.651454] slab_reclaimable:4477 slab_unreclaimable:57295 [ 257.651454] mapped:58 shmem:48 pagetables:332 bounce:0 [ 257.651454] free:207 free_pcp:68 free_cma:0 [ 257.651468] Node 0 active_anon:12396kB inactive_anon:164kB active_file:216kB inactive_file:248kB unevictable:0kB isolated(anon):0kB isolated(file):16kB mapped:232kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 257.651487] DMA32 free:20kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 257.651513] Normal free:808kB min:5580kB low:9168kB high:12756kB active_anon:12396kB inactive_anon:164kB active_file:216kB inactive_file:248kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:229180kB kernel_stack:3776kB pagetables:1328kB bounce:0kB free_pcp:152kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 257.651553] DMA32: [ 257.651562] syz-executor922: vmalloc: allocation failure, allocated 159928320 of 4278198272 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 257.651569] CPU: 0 PID: 2267 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 257.651581] ffff88019541f958 ffffffff81b42e79 1ffff10032a83f2d dffffc0000000000 [ 257.651591] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff88019541faa0 [ 257.651602] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 257.651603] Call Trace: [ 257.651613] [] dump_stack+0xc1/0x128 [ 257.651621] [] warn_alloc.cold.31+0x7f/0x9c [ 257.651629] [] ? zone_watermark_ok_safe+0x250/0x250 [ 257.651636] [] ? retint_kernel+0x2d/0x2d [ 257.651654] [] __vmalloc_node_range+0x3f8/0x600 [ 257.651661] [] ? xt_alloc_table_info+0xc9/0x100 [ 257.651668] [] vmalloc+0x5b/0x70 [ 257.651675] [] ? xt_alloc_table_info+0xc9/0x100 [ 257.651683] [] xt_alloc_table_info+0xc9/0x100 [ 257.651691] [] do_replace.isra.7+0xfd/0x470 [ 257.651698] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 257.651707] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 257.651714] [] ? selinux_capable+0x36/0x40 [ 257.651722] [] ? ns_capable_common+0x12a/0x150 [ 257.651731] [] do_arpt_set_ctl+0xff/0x140 [ 257.651738] [] nf_setsockopt+0x6d/0xc0 [ 257.651746] [] ip_setsockopt+0x88/0xa0 [ 257.651753] [] tcp_setsockopt+0x88/0xe0 [ 257.651760] [] sock_common_setsockopt+0x9a/0xe0 [ 257.651768] [] SyS_setsockopt+0x166/0x260 [ 257.651780] [] ? SyS_recv+0x40/0x40 [ 257.651787] [] ? setxattr+0x270/0x270 [ 257.651794] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 257.651801] [] ? do_syscall_64+0x48/0x550 [ 257.651807] [] ? SyS_recv+0x40/0x40 [ 257.651814] [] do_syscall_64+0x19f/0x550 [ 257.651822] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 257.652020] 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 6*4kB (H) 6*8kB (H) 4*16kB (H) 5*32kB (H) 4*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 808kB 160 total pagecache pages [ 257.652065] 0 pages in swap cache [ 257.652069] Swap cache stats: add 0, delete 0, find 0/0 [ 257.652071] Free swap = 0kB [ 257.652073] Total swap = 0kB [ 257.652075] 1965979 pages RAM [ 257.652078] 0 pages HighMem/MovableOnly [ 257.652080] 313617 pages reserved [ 257.652261] syz-executor922: vmalloc: allocation failure, allocated 592019456 of 4278198272 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 257.652268] CPU: 1 PID: 2250 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 257.652280] ffff8801bcbf7958 ffffffff81b42e79 1ffff1003797ef2d dffffc0000000000 [ 257.652290] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801bcbf7aa0 [ 257.652299] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 257.652301] Call Trace: [ 257.652311] [] dump_stack+0xc1/0x128 [ 257.652318] [] warn_alloc.cold.31+0x7f/0x9c [ 257.652326] [] ? zone_watermark_ok_safe+0x250/0x250 [ 257.652334] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 257.652342] [] __vmalloc_node_range+0x3f8/0x600 [ 257.652349] [] ? xt_alloc_table_info+0xc9/0x100 [ 257.652355] [] vmalloc+0x5b/0x70 [ 257.652362] [] ? xt_alloc_table_info+0xc9/0x100 [ 257.652369] [] xt_alloc_table_info+0xc9/0x100 [ 257.652377] [] do_replace.isra.7+0xfd/0x470 [ 257.652384] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 257.652392] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 257.652399] [] ? selinux_capable+0x36/0x40 [ 257.652406] [] ? ns_capable_common+0x12a/0x150 [ 257.652414] [] do_arpt_set_ctl+0xff/0x140 [ 257.652421] [] nf_setsockopt+0x6d/0xc0 [ 257.652429] [] ip_setsockopt+0x88/0xa0 [ 257.652435] [] tcp_setsockopt+0x88/0xe0 [ 257.652443] [] sock_common_setsockopt+0x9a/0xe0 [ 257.652450] [] SyS_setsockopt+0x166/0x260 [ 257.652456] [] ? SyS_recv+0x40/0x40 [ 257.652463] [] ? setxattr+0x270/0x270 [ 257.652471] [] ? __do_page_fault+0x554/0xa60 [ 257.652478] [] ? do_syscall_64+0x48/0x550 [ 257.652484] [] ? SyS_recv+0x40/0x40 [ 257.652490] [] do_syscall_64+0x19f/0x550 [ 257.652498] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 257.652501] Mem-Info: [ 257.652516] active_anon:3099 inactive_anon:41 isolated_anon:0 [ 257.652516] active_file:54 inactive_file:62 isolated_file:4 [ 257.652516] unevictable:0 dirty:0 writeback:0 unstable:0 [ 257.652516] slab_reclaimable:4477 slab_unreclaimable:57295 [ 257.652516] mapped:58 shmem:48 pagetables:332 bounce:0 [ 257.652516] free:207 free_pcp:38 free_cma:0 [ 257.652530] Node 0 active_anon:12396kB inactive_anon:164kB active_file:216kB inactive_file:248kB unevictable:0kB isolated(anon):0kB isolated(file):16kB mapped:232kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 257.652546] DMA32 free:20kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 257.652571] Normal free:808kB min:5580kB low:9168kB high:12756kB active_anon:12396kB inactive_anon:164kB active_file:216kB inactive_file:248kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:229180kB kernel_stack:3776kB pagetables:1328kB bounce:0kB free_pcp:152kB local_pcp:152kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 257.652606] 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: 6*4kB (H) 6*8kB (H) 4*16kB (H) 5*32kB (H) 4*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 808kB 160 total pagecache pages [ 257.652646] 0 pages in swap cache [ 257.652651] Swap cache stats: add 0, delete 0, find 0/0 [ 257.652653] Free swap = 0kB [ 257.652655] Total swap = 0kB [ 257.652657] 1965979 pages RAM [ 257.652659] 0 pages HighMem/MovableOnly [ 257.652661] 313617 pages reserved [ 257.653122] Mem-Info: [ 257.653138] active_anon:3099 inactive_anon:41 isolated_anon:0 [ 257.653138] active_file:54 inactive_file:62 isolated_file:4 [ 257.653138] unevictable:0 dirty:0 writeback:0 unstable:0 [ 257.653138] slab_reclaimable:4477 slab_unreclaimable:57295 [ 257.653138] mapped:58 shmem:48 pagetables:332 bounce:0 [ 257.653138] free:207 free_pcp:38 free_cma:0 [ 257.653150] Node 0 active_anon:12396kB inactive_anon:164kB active_file:216kB inactive_file:248kB unevictable:0kB isolated(anon):0kB isolated(file):16kB mapped:232kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 257.653167] DMA32 free:20kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 257.653192] Normal free:808kB min:5580kB low:9168kB high:12756kB active_anon:12396kB inactive_anon:164kB active_file:216kB inactive_file:248kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:229180kB kernel_stack:3776kB pagetables:1328kB bounce:0kB free_pcp:152kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 257.653227] 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: 6*4kB (H) 6*8kB (H) 4*16kB (H) 5*32kB (H) 4*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 808kB 160 total pagecache pages [ 257.653267] 0 pages in swap cache [ 257.653271] Swap cache stats: add 0, delete 0, find 0/0 [ 257.653273] Free swap = 0kB [ 257.653275] Total swap = 0kB [ 257.653277] 1965979 pages RAM [ 257.653279] 0 pages HighMem/MovableOnly [ 257.653281] 313617 pages reserved [ 258.435388] lowmemorykiller: Killing 'syz-executor922' (2246) (tgid 2242), adj 1000, [ 258.435388] to free 116kB on behalf of 'syz-executor922' (2241) because [ 258.435388] cache 200kB is below limit 6144kB for oom_score_adj 0 [ 258.435388] Free memory is -36516kB above reserved [ 259.275635] syz-executor922: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 259.275652] CPU: 0 PID: 2246 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 259.275667] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb ffff8801ca9c97c0 [ 259.275676] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 259.275686] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 259.275688] Call Trace: [ 259.275704] [ 259.275705] [] dump_stack+0xc1/0x128 [ 259.275714] [] warn_alloc.cold.31+0x7f/0x9c [ 259.275723] [] ? zone_watermark_ok_safe+0x250/0x250 [ 259.275731] [] ? trace_hardirqs_on+0xd/0x10 [ 259.275739] [] ? get_page_from_freelist+0x23e/0x1d80 [ 259.275747] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 259.275754] [] ? mark_held_locks+0xc7/0x130 [ 259.275762] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 259.275769] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 259.275777] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 259.275786] [] ? ip6_forward_finish+0x4a0/0x4a0 [ 259.275793] [] ? trace_hardirqs_on+0x10/0x10 [ 259.275801] [] new_slab+0x367/0x3d0 [ 259.275809] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 259.275818] [] ? __alloc_skb+0xe6/0x5b0 [ 259.275824] [] ? trace_hardirqs_on+0x10/0x10 [ 259.275833] [] ? check_preemption_disabled+0x3b/0x200 [ 259.275840] [] ? __alloc_skb+0xe6/0x5b0 [ 259.275848] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 259.275855] [] ? __alloc_skb+0xe6/0x5b0 [ 259.275863] [] kmem_cache_alloc+0x212/0x2b0 [ 259.275869] [] ? mark_held_locks+0xc7/0x130 [ 259.275881] [] __alloc_skb+0xe6/0x5b0 [ 259.275889] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 259.275895] [] ? ipv6_get_ifaddr+0x300/0x510 [ 259.275902] [] ? trace_hardirqs_on+0xd/0x10 [ 259.275908] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 259.275916] [] ndisc_alloc_skb+0x144/0x330 [ 259.275923] [] ndisc_send_rs+0x2ff/0x670 [ 259.275930] [] ? __ipv6_get_lladdr+0x250/0x250 [ 259.275936] [] addrconf_rs_timer+0x27e/0x5a0 [ 259.275943] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.275950] [] call_timer_fn+0x163/0x6e0 [ 259.275956] [] ? call_timer_fn+0xda/0x6e0 [ 259.275962] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.275969] [] ? process_timeout+0x20/0x20 [ 259.275975] [] ? mark_held_locks+0xc7/0x130 [ 259.275983] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 259.275989] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.275996] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 259.276002] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.276008] [] expire_timers+0x234/0x580 [ 259.276015] [] ? collect_expired_timers+0x1d5/0x2b0 [ 259.276022] [] run_timer_softirq+0x208/0x5e0 [ 259.276028] [] ? expire_timers+0x580/0x580 [ 259.276035] [] ? check_preemption_disabled+0x3b/0x200 [ 259.276044] [] __do_softirq+0x20e/0x964 [ 259.276051] [] ? check_preemption_disabled+0x3b/0x200 [ 259.276058] [] irq_exit+0x11c/0x150 [ 259.276065] [] smp_apic_timer_interrupt+0x81/0xb0 [ 259.276072] [] apic_timer_interrupt+0x9d/0xb0 [ 259.276081] [ 259.276082] [] ? lock_release+0x3d/0xc20 [ 259.276089] [] ? find_lock_task_mm+0xf1/0x270 [ 259.276096] [] ? lowmem_scan+0x4d6/0xaf0 [ 259.276103] [] _raw_spin_unlock+0x1a/0x50 [ 259.276109] [] lowmem_scan+0x4d6/0xaf0 [ 259.276115] [] ? lowmem_scan+0x24e/0xaf0 [ 259.276122] [] ? check_preemption_disabled+0x3b/0x200 [ 259.276130] [] shrink_slab.part.8+0x3c6/0xa00 [ 259.276138] [] ? unregister_shrinker+0x230/0x230 [ 259.276145] [] shrink_node+0x1ed/0x740 [ 259.276152] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 259.276161] [] ? __delayacct_freepages_start+0x41/0x80 [ 259.276169] [] try_to_free_pages+0x377/0xb80 [ 259.276176] [] ? shrink_node+0x740/0x740 [ 259.276184] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 259.276191] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 259.276199] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 259.276208] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.276215] [] ? retint_kernel+0x2d/0x2d [ 259.276223] [] __vmalloc_node_range+0x25b/0x600 [ 259.276230] [] ? xt_alloc_table_info+0xc9/0x100 [ 259.276237] [] vmalloc+0x5b/0x70 [ 259.276243] [] ? xt_alloc_table_info+0xc9/0x100 [ 259.276250] [] xt_alloc_table_info+0xc9/0x100 [ 259.276259] [] do_replace.isra.7+0xfd/0x470 [ 259.276265] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 259.276273] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 259.276282] [] ? selinux_capable+0x36/0x40 [ 259.276289] [] ? ns_capable_common+0x12a/0x150 [ 259.276297] [] do_arpt_set_ctl+0xff/0x140 [ 259.276305] [] nf_setsockopt+0x6d/0xc0 [ 259.276313] [] ip_setsockopt+0x88/0xa0 [ 259.276320] [] tcp_setsockopt+0x88/0xe0 [ 259.276327] [] sock_common_setsockopt+0x9a/0xe0 [ 259.276334] [] SyS_setsockopt+0x166/0x260 [ 259.276340] [] ? SyS_recv+0x40/0x40 [ 259.276348] [] ? setxattr+0x270/0x270 [ 259.276356] [] ? __do_page_fault+0x554/0xa60 [ 259.276363] [] ? do_syscall_64+0x48/0x550 [ 259.276369] [] ? SyS_recv+0x40/0x40 [ 259.276375] [] do_syscall_64+0x19f/0x550 [ 259.276382] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 259.276385] Mem-Info: [ 259.276403] active_anon:3086 inactive_anon:41 isolated_anon:0 [ 259.276403] active_file:18 inactive_file:32 isolated_file:0 [ 259.276403] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.276403] slab_reclaimable:4477 slab_unreclaimable:57303 [ 259.276403] mapped:25 shmem:48 pagetables:332 bounce:0 [ 259.276403] free:247 free_pcp:0 free_cma:0 [ 259.276416] Node 0 active_anon:12344kB inactive_anon:164kB active_file:72kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:100kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:16 all_unreclaimable? yes [ 259.276434] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 259.276458] Normal free:988kB min:5580kB low:9168kB high:12756kB active_anon:12344kB inactive_anon:164kB active_file:72kB inactive_file:128kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:229212kB kernel_stack:3776kB pagetables:1328kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 259.276494] 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 (MH) 11*8kB (MH) 4*16kB (MH) 4*32kB (H) 5*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1040kB 98 total pagecache pages [ 259.276535] 0 pages in swap cache [ 259.276539] Swap cache stats: add 0, delete 0, find 0/0 [ 259.276540] Free swap = 0kB [ 259.276542] Total swap = 0kB [ 259.276544] 1965979 pages RAM [ 259.276546] 0 pages HighMem/MovableOnly [ 259.276548] 313617 pages reserved [ 259.276655] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 259.276660] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 259.276673] node 0: slabs: 656, objs: 7872, free: 0 [ 259.276752] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.276778] syz-executor922: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 259.276785] CPU: 0 PID: 2246 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 259.276796] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb ffff8801ca9c97c0 [ 259.276805] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 259.276815] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 259.276817] Call Trace: [ 259.276827] [ 259.276827] [] dump_stack+0xc1/0x128 [ 259.276835] [] warn_alloc.cold.31+0x7f/0x9c [ 259.276842] [] ? zone_watermark_ok_safe+0x250/0x250 [ 259.276850] [] ? get_page_from_freelist+0x23e/0x1d80 [ 259.276859] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 259.276867] [] ? get_stack_info+0x37/0x120 [ 259.276874] [] ? __unwind_start+0x14d/0x3b0 [ 259.276882] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 259.276889] [] ? trace_hardirqs_on+0x10/0x10 [ 259.276897] [] new_slab+0x367/0x3d0 [ 259.276905] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 259.276912] [] ? __alloc_skb+0xe6/0x5b0 [ 259.276919] [] ? trace_hardirqs_on+0x10/0x10 [ 259.276926] [] ? debug_object_activate+0x32d/0x4e0 [ 259.276934] [] ? check_preemption_disabled+0x3b/0x200 [ 259.276941] [] ? __alloc_skb+0xe6/0x5b0 [ 259.276949] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 259.276956] [] ? __alloc_skb+0xe6/0x5b0 [ 259.276963] [] kmem_cache_alloc+0x212/0x2b0 [ 259.276970] [] ? mark_held_locks+0xc7/0x130 [ 259.276977] [] __alloc_skb+0xe6/0x5b0 [ 259.276984] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 259.276991] [] ? ipv6_get_ifaddr+0x300/0x510 [ 259.276997] [] ? trace_hardirqs_on+0xd/0x10 [ 259.277004] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 259.277011] [] ndisc_alloc_skb+0x144/0x330 [ 259.277019] [] ndisc_send_rs+0x2ff/0x670 [ 259.277025] [] ? __ipv6_get_lladdr+0x250/0x250 [ 259.277032] [] addrconf_rs_timer+0x27e/0x5a0 [ 259.277038] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.277045] [] call_timer_fn+0x163/0x6e0 [ 259.277051] [] ? call_timer_fn+0xda/0x6e0 [ 259.277058] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.277064] [] ? process_timeout+0x20/0x20 [ 259.277070] [] ? mark_held_locks+0xc7/0x130 [ 259.277077] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 259.277083] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.277090] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 259.277096] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.277102] [] expire_timers+0x234/0x580 [ 259.277109] [] ? collect_expired_timers+0x1d5/0x2b0 [ 259.277116] [] run_timer_softirq+0x208/0x5e0 [ 259.277122] [] ? expire_timers+0x580/0x580 [ 259.277129] [] ? check_preemption_disabled+0x3b/0x200 [ 259.277137] [] __do_softirq+0x20e/0x964 [ 259.277144] [] ? check_preemption_disabled+0x3b/0x200 [ 259.277150] [] irq_exit+0x11c/0x150 [ 259.277157] [] smp_apic_timer_interrupt+0x81/0xb0 [ 259.277164] [] apic_timer_interrupt+0x9d/0xb0 [ 259.277173] [ 259.277173] [] ? lock_release+0x3d/0xc20 [ 259.277180] [] ? find_lock_task_mm+0xf1/0x270 [ 259.277187] [] ? lowmem_scan+0x4d6/0xaf0 [ 259.277193] [] _raw_spin_unlock+0x1a/0x50 [ 259.277199] [] lowmem_scan+0x4d6/0xaf0 [ 259.277205] [] ? lowmem_scan+0x24e/0xaf0 [ 259.277213] [] ? check_preemption_disabled+0x3b/0x200 [ 259.277220] [] shrink_slab.part.8+0x3c6/0xa00 [ 259.277228] [] ? unregister_shrinker+0x230/0x230 [ 259.277235] [] shrink_node+0x1ed/0x740 [ 259.277243] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 259.277251] [] ? __delayacct_freepages_start+0x41/0x80 [ 259.277258] [] try_to_free_pages+0x377/0xb80 [ 259.277265] [] ? shrink_node+0x740/0x740 [ 259.277274] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 259.277280] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 259.277288] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 259.277296] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.277303] [] ? retint_kernel+0x2d/0x2d [ 259.277310] [] __vmalloc_node_range+0x25b/0x600 [ 259.277317] [] ? xt_alloc_table_info+0xc9/0x100 [ 259.277323] [] vmalloc+0x5b/0x70 [ 259.277330] [] ? xt_alloc_table_info+0xc9/0x100 [ 259.277337] [] xt_alloc_table_info+0xc9/0x100 [ 259.277344] [] do_replace.isra.7+0xfd/0x470 [ 259.277351] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 259.277359] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 259.277366] [] ? selinux_capable+0x36/0x40 [ 259.277373] [] ? ns_capable_common+0x12a/0x150 [ 259.277381] [] do_arpt_set_ctl+0xff/0x140 [ 259.277387] [] nf_setsockopt+0x6d/0xc0 [ 259.277395] [] ip_setsockopt+0x88/0xa0 [ 259.277401] [] tcp_setsockopt+0x88/0xe0 [ 259.277408] [] sock_common_setsockopt+0x9a/0xe0 [ 259.277415] [] SyS_setsockopt+0x166/0x260 [ 259.277421] [] ? SyS_recv+0x40/0x40 [ 259.277427] [] ? setxattr+0x270/0x270 [ 259.277434] [] ? __do_page_fault+0x554/0xa60 [ 259.277441] [] ? do_syscall_64+0x48/0x550 [ 259.277447] [] ? SyS_recv+0x40/0x40 [ 259.277453] [] do_syscall_64+0x19f/0x550 [ 259.277460] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 259.277463] Mem-Info: [ 259.277478] active_anon:3086 inactive_anon:41 isolated_anon:0 [ 259.277478] active_file:18 inactive_file:32 isolated_file:0 [ 259.277478] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.277478] slab_reclaimable:4477 slab_unreclaimable:57303 [ 259.277478] mapped:25 shmem:48 pagetables:332 bounce:0 [ 259.277478] free:247 free_pcp:0 free_cma:0 [ 259.277490] Node 0 active_anon:12344kB inactive_anon:164kB active_file:72kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:100kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:16 all_unreclaimable? yes [ 259.277507] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 259.277531] Normal free:988kB min:5580kB low:9168kB high:12756kB active_anon:12344kB inactive_anon:164kB active_file:72kB inactive_file:128kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:229212kB kernel_stack:3776kB pagetables:1328kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 259.277566] 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 (MH) 11*8kB (MH) 4*16kB (MH) 4*32kB (H) 5*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1040kB 98 total pagecache pages [ 259.277606] 0 pages in swap cache [ 259.277609] Swap cache stats: add 0, delete 0, find 0/0 [ 259.277611] Free swap = 0kB [ 259.277613] Total swap = 0kB [ 259.277615] 1965979 pages RAM [ 259.277617] 0 pages HighMem/MovableOnly [ 259.277619] 313617 pages reserved [ 259.277624] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 259.277629] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 259.277634] node 0: slabs: 656, objs: 7872, free: 0 [ 259.277638] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.277667] syz-executor922: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 259.277673] CPU: 0 PID: 2246 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 259.277684] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb ffff8801ca9c97c0 [ 259.277694] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 259.277703] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 259.277705] Call Trace: [ 259.277714] [ 259.277714] [] dump_stack+0xc1/0x128 [ 259.277722] [] warn_alloc.cold.31+0x7f/0x9c [ 259.277729] [] ? zone_watermark_ok_safe+0x250/0x250 [ 259.277737] [] ? get_page_from_freelist+0x23e/0x1d80 [ 259.277746] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 259.277754] [] ? kvm_sched_clock_read+0x9/0x20 [ 259.277762] [] ? sched_clock+0x9/0x10 [ 259.277769] [] ? down_trylock+0x50/0x70 [ 259.277778] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 259.277786] [] ? vprintk_emit+0x272/0x790 [ 259.277793] [] ? trace_hardirqs_on+0x10/0x10 [ 259.277801] [] new_slab+0x367/0x3d0 [ 259.277809] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 259.277816] [] ? __alloc_skb+0xe6/0x5b0 [ 259.277823] [] ? trace_hardirqs_on+0x10/0x10 [ 259.277830] [] ? debug_object_activate+0x32d/0x4e0 [ 259.277837] [] ? check_preemption_disabled+0x3b/0x200 [ 259.277844] [] ? __alloc_skb+0xe6/0x5b0 [ 259.277852] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 259.277859] [] ? __alloc_skb+0xe6/0x5b0 [ 259.277867] [] kmem_cache_alloc+0x212/0x2b0 [ 259.277873] [] ? mark_held_locks+0xc7/0x130 [ 259.277880] [] __alloc_skb+0xe6/0x5b0 [ 259.277887] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 259.277894] [] ? ipv6_get_ifaddr+0x300/0x510 [ 259.277900] [] ? trace_hardirqs_on+0xd/0x10 [ 259.277907] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 259.277914] [] ndisc_alloc_skb+0x144/0x330 [ 259.277922] [] ndisc_send_rs+0x2ff/0x670 [ 259.277928] [] ? __ipv6_get_lladdr+0x250/0x250 [ 259.277934] [] addrconf_rs_timer+0x27e/0x5a0 [ 259.277941] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.277948] [] call_timer_fn+0x163/0x6e0 [ 259.277954] [] ? call_timer_fn+0xda/0x6e0 [ 259.277960] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.277966] [] ? process_timeout+0x20/0x20 [ 259.277973] [] ? mark_held_locks+0xc7/0x130 [ 259.277979] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 259.277986] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.277992] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 259.277999] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.278005] [] expire_timers+0x234/0x580 [ 259.278012] [] ? collect_expired_timers+0x1d5/0x2b0 [ 259.278018] [] run_timer_softirq+0x208/0x5e0 [ 259.278025] [] ? expire_timers+0x580/0x580 [ 259.278032] [] ? check_preemption_disabled+0x3b/0x200 [ 259.278039] [] __do_softirq+0x20e/0x964 [ 259.278046] [] ? check_preemption_disabled+0x3b/0x200 [ 259.278053] [] irq_exit+0x11c/0x150 [ 259.278060] [] smp_apic_timer_interrupt+0x81/0xb0 [ 259.278067] [] apic_timer_interrupt+0x9d/0xb0 [ 259.278076] [ 259.278077] [] ? lock_release+0x3d/0xc20 [ 259.278084] [] ? find_lock_task_mm+0xf1/0x270 [ 259.278090] [] ? lowmem_scan+0x4d6/0xaf0 [ 259.278097] [] _raw_spin_unlock+0x1a/0x50 [ 259.278103] [] lowmem_scan+0x4d6/0xaf0 [ 259.278109] [] ? lowmem_scan+0x24e/0xaf0 [ 259.278116] [] ? check_preemption_disabled+0x3b/0x200 [ 259.278123] [] shrink_slab.part.8+0x3c6/0xa00 [ 259.278131] [] ? unregister_shrinker+0x230/0x230 [ 259.278138] [] shrink_node+0x1ed/0x740 [ 259.278146] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 259.278154] [] ? __delayacct_freepages_start+0x41/0x80 [ 259.278162] [] try_to_free_pages+0x377/0xb80 [ 259.278169] [] ? shrink_node+0x740/0x740 [ 259.278177] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 259.278183] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 259.278192] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 259.278199] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.278206] [] ? retint_kernel+0x2d/0x2d [ 259.278214] [] __vmalloc_node_range+0x25b/0x600 [ 259.278220] [] ? xt_alloc_table_info+0xc9/0x100 [ 259.278227] [] vmalloc+0x5b/0x70 [ 259.278233] [] ? xt_alloc_table_info+0xc9/0x100 [ 259.278240] [] xt_alloc_table_info+0xc9/0x100 [ 259.278248] [] do_replace.isra.7+0xfd/0x470 [ 259.278254] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 259.278262] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 259.278269] [] ? selinux_capable+0x36/0x40 [ 259.278276] [] ? ns_capable_common+0x12a/0x150 [ 259.278284] [] do_arpt_set_ctl+0xff/0x140 [ 259.278290] [] nf_setsockopt+0x6d/0xc0 [ 259.278298] [] ip_setsockopt+0x88/0xa0 [ 259.278304] [] tcp_setsockopt+0x88/0xe0 [ 259.278311] [] sock_common_setsockopt+0x9a/0xe0 [ 259.278318] [] SyS_setsockopt+0x166/0x260 [ 259.278324] [] ? SyS_recv+0x40/0x40 [ 259.278330] [] ? setxattr+0x270/0x270 [ 259.278337] [] ? __do_page_fault+0x554/0xa60 [ 259.278344] [] ? do_syscall_64+0x48/0x550 [ 259.278350] [] ? SyS_recv+0x40/0x40 [ 259.278356] [] do_syscall_64+0x19f/0x550 [ 259.278363] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 259.278366] Mem-Info: [ 259.278380] active_anon:3086 inactive_anon:41 isolated_anon:0 [ 259.278380] active_file:18 inactive_file:32 isolated_file:0 [ 259.278380] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.278380] slab_reclaimable:4477 slab_unreclaimable:57303 [ 259.278380] mapped:25 shmem:48 pagetables:332 bounce:0 [ 259.278380] free:247 free_pcp:0 free_cma:0 [ 259.278393] Node 0 active_anon:12344kB inactive_anon:164kB active_file:72kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:100kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:16 all_unreclaimable? yes [ 259.278410] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 259.278434] Normal free:988kB min:5580kB low:9168kB high:12756kB active_anon:12344kB inactive_anon:164kB active_file:72kB inactive_file:128kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:229212kB kernel_stack:3776kB pagetables:1328kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 259.278468] 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 (MH) 11*8kB (MH) 4*16kB (MH) 4*32kB (H) 5*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1040kB 98 total pagecache pages [ 259.278508] 0 pages in swap cache [ 259.278511] Swap cache stats: add 0, delete 0, find 0/0 [ 259.278513] Free swap = 0kB [ 259.278515] Total swap = 0kB [ 259.278517] 1965979 pages RAM [ 259.278519] 0 pages HighMem/MovableOnly [ 259.278521] 313617 pages reserved [ 259.278526] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 259.278531] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 259.278536] node 0: slabs: 656, objs: 7872, free: 0 [ 259.278539] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.355370] syz-executor922: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 259.355379] CPU: 0 PID: 2267 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 259.355392] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb dffffc0000000000 [ 259.355402] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 259.355415] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 259.355417] Call Trace: [ 259.355434] [ 259.355434] [] dump_stack+0xc1/0x128 [ 259.355444] [] warn_alloc.cold.31+0x7f/0x9c [ 259.355452] [] ? zone_watermark_ok_safe+0x250/0x250 [ 259.355460] [] ? get_page_from_freelist+0x23e/0x1d80 [ 259.355468] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 259.355476] [] ? __lock_acquire+0x654/0x4a10 [ 259.355484] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 259.355490] [] ? trace_hardirqs_on+0x10/0x10 [ 259.355496] [] ? trace_hardirqs_on+0x10/0x10 [ 259.355503] [] ? __lock_acquire+0x654/0x4a10 [ 259.355509] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 259.355517] [] ? _find_next_bit.part.0+0xe0/0x120 [ 259.355525] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 259.355532] [] new_slab+0x367/0x3d0 [ 259.355539] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 259.355548] [] ? __alloc_skb+0xe6/0x5b0 [ 259.355554] [] ? trace_hardirqs_on+0x10/0x10 [ 259.355562] [] ? check_preemption_disabled+0x3b/0x200 [ 259.355569] [] ? __alloc_skb+0xe6/0x5b0 [ 259.355576] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 259.355583] [] ? __alloc_skb+0xe6/0x5b0 [ 259.355590] [] kmem_cache_alloc+0x212/0x2b0 [ 259.355596] [] ? mark_held_locks+0xc7/0x130 [ 259.355603] [] __alloc_skb+0xe6/0x5b0 [ 259.355610] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 259.355616] [] ? ipv6_get_ifaddr+0x300/0x510 [ 259.355622] [] ? trace_hardirqs_on+0xd/0x10 [ 259.355630] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 259.355637] [] ndisc_alloc_skb+0x144/0x330 [ 259.355678] [] ndisc_send_rs+0x2ff/0x670 [ 259.355685] [] ? __ipv6_get_lladdr+0x250/0x250 [ 259.355691] [] addrconf_rs_timer+0x27e/0x5a0 [ 259.355697] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.355704] [] call_timer_fn+0x163/0x6e0 [ 259.355710] [] ? call_timer_fn+0xda/0x6e0 [ 259.355718] [] ? debug_object_deactivate+0x214/0x340 [ 259.355724] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.355730] [] ? process_timeout+0x20/0x20 [ 259.355736] [] ? check_preemption_disabled+0x3b/0x200 [ 259.355743] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 259.355749] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.355756] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 259.355762] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.355768] [] expire_timers+0x234/0x580 [ 259.355774] [] ? collect_expired_timers+0x1d5/0x2b0 [ 259.355781] [] run_timer_softirq+0x208/0x5e0 [ 259.355787] [] ? expire_timers+0x580/0x580 [ 259.355794] [] ? check_preemption_disabled+0x3b/0x200 [ 259.355802] [] __do_softirq+0x20e/0x964 [ 259.355808] [] ? check_preemption_disabled+0x3b/0x200 [ 259.355815] [] irq_exit+0x11c/0x150 [ 259.355822] [] smp_apic_timer_interrupt+0x81/0xb0 [ 259.355829] [] apic_timer_interrupt+0x9d/0xb0 [ 259.355838] [ 259.355838] [] ? _raw_spin_unlock_irqrestore+0x5f/0x70 [ 259.355845] [] debug_check_no_obj_freed+0x2ce/0x890 [ 259.355853] [] ? debug_object_activate+0x4e0/0x4e0 [ 259.355859] [] ? _raw_spin_unlock+0x2c/0x50 [ 259.355865] [] __vunmap+0x130/0x400 [ 259.355870] [] vfree+0x50/0x110 [ 259.355877] [] __vmalloc_node_range+0x423/0x600 [ 259.355883] [] ? xt_alloc_table_info+0xc9/0x100 [ 259.355889] [] vmalloc+0x5b/0x70 [ 259.355896] [] ? xt_alloc_table_info+0xc9/0x100 [ 259.355902] [] xt_alloc_table_info+0xc9/0x100 [ 259.355910] [] do_replace.isra.7+0xfd/0x470 [ 259.355916] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 259.355924] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 259.355931] [] ? selinux_capable+0x36/0x40 [ 259.355938] [] ? ns_capable_common+0x12a/0x150 [ 259.355945] [] do_arpt_set_ctl+0xff/0x140 [ 259.355953] [] nf_setsockopt+0x6d/0xc0 [ 259.355961] [] ip_setsockopt+0x88/0xa0 [ 259.355967] [] tcp_setsockopt+0x88/0xe0 [ 259.355974] [] sock_common_setsockopt+0x9a/0xe0 [ 259.355980] [] SyS_setsockopt+0x166/0x260 [ 259.355986] [] ? SyS_recv+0x40/0x40 [ 259.355994] [] ? setxattr+0x270/0x270 [ 259.356000] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 259.356006] [] ? do_syscall_64+0x48/0x550 [ 259.356012] [] ? SyS_recv+0x40/0x40 [ 259.356018] [] do_syscall_64+0x19f/0x550 [ 259.356025] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 259.356028] Mem-Info: [ 259.356044] active_anon:3086 inactive_anon:41 isolated_anon:0 [ 259.356044] active_file:18 inactive_file:32 isolated_file:0 [ 259.356044] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.356044] slab_reclaimable:4477 slab_unreclaimable:57303 [ 259.356044] mapped:25 shmem:48 pagetables:332 bounce:0 [ 259.356044] free:247 free_pcp:0 free_cma:0 [ 259.356056] Node 0 active_anon:12344kB inactive_anon:164kB active_file:72kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:100kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:16 all_unreclaimable? yes [ 259.356073] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 259.356096] Normal free:988kB min:5580kB low:9168kB high:12756kB active_anon:12344kB inactive_anon:164kB active_file:72kB inactive_file:128kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:229212kB kernel_stack:3776kB pagetables:1328kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 259.356129] 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 (MH) 11*8kB (MH) 4*16kB (MH) 4*32kB (H) 5*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1040kB 98 total pagecache pages [ 259.356166] 0 pages in swap cache [ 259.356170] Swap cache stats: add 0, delete 0, find 0/0 [ 259.356172] Free swap = 0kB [ 259.356173] Total swap = 0kB [ 259.356175] 1965979 pages RAM [ 259.356177] 0 pages HighMem/MovableOnly [ 259.356179] 313617 pages reserved [ 259.356186] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 259.356191] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 259.356196] node 0: slabs: 656, objs: 7872, free: 0 [ 259.356263] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.356291] syz-executor922: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 259.356297] CPU: 0 PID: 2267 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 259.356308] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb dffffc0000000000 [ 259.356316] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 259.356325] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 259.356326] Call Trace: [ 259.356336] [ 259.356337] [] dump_stack+0xc1/0x128 [ 259.356344] [] warn_alloc.cold.31+0x7f/0x9c [ 259.356351] [] ? zone_watermark_ok_safe+0x250/0x250 [ 259.356359] [] ? get_page_from_freelist+0x23e/0x1d80 [ 259.356367] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 259.356376] [] ? kvm_clock_get_cycles+0x9/0x10 [ 259.356384] [] ? lapic_next_event+0x60/0x90 [ 259.356391] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 259.356398] [] ? trace_hardirqs_on+0x10/0x10 [ 259.356405] [] new_slab+0x367/0x3d0 [ 259.356413] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 259.356420] [] ? __alloc_skb+0xe6/0x5b0 [ 259.356426] [] ? trace_hardirqs_on+0x10/0x10 [ 259.356433] [] ? debug_object_activate+0x32d/0x4e0 [ 259.356440] [] ? check_preemption_disabled+0x3b/0x200 [ 259.356447] [] ? __alloc_skb+0xe6/0x5b0 [ 259.356454] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 259.356461] [] ? __alloc_skb+0xe6/0x5b0 [ 259.356468] [] kmem_cache_alloc+0x212/0x2b0 [ 259.356474] [] ? mark_held_locks+0xc7/0x130 [ 259.356481] [] __alloc_skb+0xe6/0x5b0 [ 259.356488] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 259.356493] [] ? ipv6_get_ifaddr+0x300/0x510 [ 259.356499] [] ? trace_hardirqs_on+0xd/0x10 [ 259.356506] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 259.356513] [] ndisc_alloc_skb+0x144/0x330 [ 259.356520] [] ndisc_send_rs+0x2ff/0x670 [ 259.356526] [] ? __ipv6_get_lladdr+0x250/0x250 [ 259.356532] [] addrconf_rs_timer+0x27e/0x5a0 [ 259.356538] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.356545] [] call_timer_fn+0x163/0x6e0 [ 259.356550] [] ? call_timer_fn+0xda/0x6e0 [ 259.356557] [] ? debug_object_deactivate+0x214/0x340 [ 259.356563] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.356569] [] ? process_timeout+0x20/0x20 [ 259.356575] [] ? check_preemption_disabled+0x3b/0x200 [ 259.356581] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 259.356587] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.356593] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 259.356599] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.356605] [] expire_timers+0x234/0x580 [ 259.356611] [] ? collect_expired_timers+0x1d5/0x2b0 [ 259.356618] [] run_timer_softirq+0x208/0x5e0 [ 259.356624] [] ? expire_timers+0x580/0x580 [ 259.356631] [] ? check_preemption_disabled+0x3b/0x200 [ 259.356638] [] __do_softirq+0x20e/0x964 [ 259.356651] [] ? check_preemption_disabled+0x3b/0x200 [ 259.356657] [] irq_exit+0x11c/0x150 [ 259.356664] [] smp_apic_timer_interrupt+0x81/0xb0 [ 259.356670] [] apic_timer_interrupt+0x9d/0xb0 [ 259.356679] [ 259.356680] [] ? _raw_spin_unlock_irqrestore+0x5f/0x70 [ 259.356687] [] debug_check_no_obj_freed+0x2ce/0x890 [ 259.356694] [] ? debug_object_activate+0x4e0/0x4e0 [ 259.356700] [] ? _raw_spin_unlock+0x2c/0x50 [ 259.356706] [] __vunmap+0x130/0x400 [ 259.356712] [] vfree+0x50/0x110 [ 259.356719] [] __vmalloc_node_range+0x423/0x600 [ 259.356725] [] ? xt_alloc_table_info+0xc9/0x100 [ 259.356731] [] vmalloc+0x5b/0x70 [ 259.356738] [] ? xt_alloc_table_info+0xc9/0x100 [ 259.356744] [] xt_alloc_table_info+0xc9/0x100 [ 259.356751] [] do_replace.isra.7+0xfd/0x470 [ 259.356757] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 259.356765] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 259.356771] [] ? selinux_capable+0x36/0x40 [ 259.356778] [] ? ns_capable_common+0x12a/0x150 [ 259.356785] [] do_arpt_set_ctl+0xff/0x140 [ 259.356792] [] nf_setsockopt+0x6d/0xc0 [ 259.356799] [] ip_setsockopt+0x88/0xa0 [ 259.356805] [] tcp_setsockopt+0x88/0xe0 [ 259.356812] [] sock_common_setsockopt+0x9a/0xe0 [ 259.356818] [] SyS_setsockopt+0x166/0x260 [ 259.356824] [] ? SyS_recv+0x40/0x40 [ 259.356830] [] ? setxattr+0x270/0x270 [ 259.356836] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 259.356842] [] ? do_syscall_64+0x48/0x550 [ 259.356848] [] ? SyS_recv+0x40/0x40 [ 259.356854] [] do_syscall_64+0x19f/0x550 [ 259.356861] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 259.356863] Mem-Info: [ 259.356877] active_anon:3086 inactive_anon:41 isolated_anon:0 [ 259.356877] active_file:18 inactive_file:32 isolated_file:0 [ 259.356877] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.356877] slab_reclaimable:4477 slab_unreclaimable:57303 [ 259.356877] mapped:25 shmem:48 pagetables:332 bounce:0 [ 259.356877] free:247 free_pcp:0 free_cma:0 [ 259.356889] Node 0 active_anon:12344kB inactive_anon:164kB active_file:72kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:100kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:16 all_unreclaimable? yes [ 259.356905] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 259.356927] Normal free:988kB min:5580kB low:9168kB high:12756kB active_anon:12344kB inactive_anon:164kB active_file:72kB inactive_file:128kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:229212kB kernel_stack:3776kB pagetables:1328kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 259.356959] 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 (MH) 11*8kB (MH) 4*16kB (MH) 4*32kB (H) 5*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1040kB 98 total pagecache pages [ 259.356997] 0 pages in swap cache [ 259.357000] Swap cache stats: add 0, delete 0, find 0/0 [ 259.357002] Free swap = 0kB [ 259.357003] Total swap = 0kB [ 259.357005] 1965979 pages RAM [ 259.357007] 0 pages HighMem/MovableOnly [ 259.357009] 313617 pages reserved [ 259.357014] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 259.357019] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 259.357023] node 0: slabs: 656, objs: 7872, free: 0 [ 259.357027] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.435361] syz-executor922: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 259.435370] CPU: 0 PID: 2267 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 259.435384] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb dffffc0000000000 [ 259.435394] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 259.435403] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 259.435405] Call Trace: [ 259.435423] [ 259.435424] [] dump_stack+0xc1/0x128 [ 259.435433] [] warn_alloc.cold.31+0x7f/0x9c [ 259.435442] [] ? zone_watermark_ok_safe+0x250/0x250 [ 259.435450] [] ? get_page_from_freelist+0x23e/0x1d80 [ 259.435458] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 259.435468] [] ? kvm_sched_clock_read+0x9/0x20 [ 259.435476] [] ? __lock_acquire+0x654/0x4a10 [ 259.435484] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 259.435490] [] ? trace_hardirqs_on+0x10/0x10 [ 259.435497] [] ? __lock_acquire+0x654/0x4a10 [ 259.435505] [] ? cpuacct_charge+0x1db/0x360 [ 259.435513] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 259.435521] [] new_slab+0x367/0x3d0 [ 259.435529] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 259.435538] [] ? __alloc_skb+0xe6/0x5b0 [ 259.435544] [] ? trace_hardirqs_on+0x10/0x10 [ 259.435553] [] ? check_preemption_disabled+0x3b/0x200 [ 259.435560] [] ? __alloc_skb+0xe6/0x5b0 [ 259.435568] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 259.435575] [] ? __alloc_skb+0xe6/0x5b0 [ 259.435583] [] kmem_cache_alloc+0x212/0x2b0 [ 259.435589] [] ? mark_held_locks+0xc7/0x130 [ 259.435596] [] __alloc_skb+0xe6/0x5b0 [ 259.435603] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 259.435611] [] ? ipv6_get_ifaddr+0x300/0x510 [ 259.435617] [] ? trace_hardirqs_on+0xd/0x10 [ 259.435625] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 259.435634] [] ndisc_alloc_skb+0x144/0x330 [ 259.435641] [] ndisc_send_rs+0x2ff/0x670 [ 259.435656] [] ? __ipv6_get_lladdr+0x250/0x250 [ 259.435663] [] addrconf_rs_timer+0x27e/0x5a0 [ 259.435670] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.435678] [] call_timer_fn+0x163/0x6e0 [ 259.435684] [] ? call_timer_fn+0xda/0x6e0 [ 259.435691] [] ? debug_object_deactivate+0x214/0x340 [ 259.435697] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.435703] [] ? process_timeout+0x20/0x20 [ 259.435710] [] ? check_preemption_disabled+0x3b/0x200 [ 259.435718] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 259.435724] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.435731] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 259.435737] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.435744] [] expire_timers+0x234/0x580 [ 259.435750] [] ? collect_expired_timers+0x1d5/0x2b0 [ 259.435757] [] run_timer_softirq+0x208/0x5e0 [ 259.435763] [] ? expire_timers+0x580/0x580 [ 259.435771] [] ? check_preemption_disabled+0x3b/0x200 [ 259.435779] [] __do_softirq+0x20e/0x964 [ 259.435786] [] ? check_preemption_disabled+0x3b/0x200 [ 259.435793] [] irq_exit+0x11c/0x150 [ 259.435800] [] smp_apic_timer_interrupt+0x81/0xb0 [ 259.435808] [] apic_timer_interrupt+0x9d/0xb0 [ 259.435817] [ 259.435818] [] ? _raw_spin_unlock_irqrestore+0x5f/0x70 [ 259.435825] [] debug_check_no_obj_freed+0x2ce/0x890 [ 259.435838] [] ? debug_object_activate+0x4e0/0x4e0 [ 259.435845] [] ? _raw_spin_unlock+0x2c/0x50 [ 259.435851] [] __vunmap+0x130/0x400 [ 259.435857] [] vfree+0x50/0x110 [ 259.435864] [] __vmalloc_node_range+0x423/0x600 [ 259.435872] [] ? xt_alloc_table_info+0xc9/0x100 [ 259.435878] [] vmalloc+0x5b/0x70 [ 259.435885] [] ? xt_alloc_table_info+0xc9/0x100 [ 259.435891] [] xt_alloc_table_info+0xc9/0x100 [ 259.435900] [] do_replace.isra.7+0xfd/0x470 [ 259.435907] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 259.435915] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 259.435923] [] ? selinux_capable+0x36/0x40 [ 259.435930] [] ? ns_capable_common+0x12a/0x150 [ 259.435938] [] do_arpt_set_ctl+0xff/0x140 [ 259.435945] [] nf_setsockopt+0x6d/0xc0 [ 259.435954] [] ip_setsockopt+0x88/0xa0 [ 259.435961] [] tcp_setsockopt+0x88/0xe0 [ 259.435968] [] sock_common_setsockopt+0x9a/0xe0 [ 259.435975] [] SyS_setsockopt+0x166/0x260 [ 259.435981] [] ? SyS_recv+0x40/0x40 [ 259.435989] [] ? setxattr+0x270/0x270 [ 259.435996] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 259.436003] [] ? do_syscall_64+0x48/0x550 [ 259.436009] [] ? SyS_recv+0x40/0x40 [ 259.436015] [] do_syscall_64+0x19f/0x550 [ 259.436023] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 259.436026] Mem-Info: [ 259.436042] active_anon:3086 inactive_anon:41 isolated_anon:0 [ 259.436042] active_file:25 inactive_file:25 isolated_file:0 [ 259.436042] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.436042] slab_reclaimable:4477 slab_unreclaimable:57303 [ 259.436042] mapped:25 shmem:48 pagetables:332 bounce:0 [ 259.436042] free:260 free_pcp:0 free_cma:0 [ 259.436055] Node 0 active_anon:12344kB inactive_anon:164kB active_file:100kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:100kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:23 all_unreclaimable? yes [ 259.436072] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 259.436096] Normal free:1040kB min:5580kB low:9168kB high:12756kB active_anon:12344kB inactive_anon:164kB active_file:100kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:229212kB kernel_stack:3776kB pagetables:1328kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 259.436132] 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 (MH) 11*8kB (MH) 4*16kB (MH) 4*32kB (H) 5*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1040kB 98 total pagecache pages [ 259.436171] 0 pages in swap cache [ 259.436175] Swap cache stats: add 0, delete 0, find 0/0 [ 259.436176] Free swap = 0kB [ 259.436178] Total swap = 0kB [ 259.436180] 1965979 pages RAM [ 259.436182] 0 pages HighMem/MovableOnly [ 259.436184] 313617 pages reserved [ 259.436191] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 259.436196] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 259.436201] node 0: slabs: 656, objs: 7872, free: 0 [ 259.436271] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.445564] lowmemorykiller: Killing 'syz-executor922' (2246) (tgid 2242), adj 1000, [ 259.445564] to free 116kB on behalf of 'syz-executor922' (2261) because [ 259.445564] cache 200kB is below limit 6144kB for oom_score_adj 0 [ 259.445564] Free memory is -36464kB above reserved [ 259.515383] syz-executor922: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 259.515392] CPU: 0 PID: 2258 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 259.515407] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb dffffc0000000000 [ 259.515417] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 259.515426] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 259.515428] Call Trace: [ 259.515445] [ 259.515446] [] dump_stack+0xc1/0x128 [ 259.515455] [] warn_alloc.cold.31+0x7f/0x9c [ 259.515465] [] ? zone_watermark_ok_safe+0x250/0x250 [ 259.515473] [] ? get_page_from_freelist+0x23e/0x1d80 [ 259.515481] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 259.515489] [] ? __lock_acquire+0x654/0x4a10 [ 259.515498] [] ? lapic_next_event+0x60/0x90 [ 259.515506] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 259.515513] [] ? trace_hardirqs_on+0x10/0x10 [ 259.515519] [] ? __lock_acquire+0x654/0x4a10 [ 259.515526] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 259.515534] [] ? _find_next_bit.part.0+0xe0/0x120 [ 259.515542] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 259.515550] [] new_slab+0x367/0x3d0 [ 259.515558] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 259.515567] [] ? __alloc_skb+0xe6/0x5b0 [ 259.515574] [] ? trace_hardirqs_on+0x10/0x10 [ 259.515582] [] ? check_preemption_disabled+0x3b/0x200 [ 259.515589] [] ? __alloc_skb+0xe6/0x5b0 [ 259.515597] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 259.515605] [] ? __alloc_skb+0xe6/0x5b0 [ 259.515612] [] kmem_cache_alloc+0x212/0x2b0 [ 259.515618] [] ? mark_held_locks+0xc7/0x130 [ 259.515625] [] __alloc_skb+0xe6/0x5b0 [ 259.515633] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 259.515640] [] ? ipv6_get_ifaddr+0x300/0x510 [ 259.515653] [] ? trace_hardirqs_on+0xd/0x10 [ 259.515661] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 259.515671] [] ndisc_alloc_skb+0x144/0x330 [ 259.515678] [] ndisc_send_rs+0x2ff/0x670 [ 259.515684] [] ? __ipv6_get_lladdr+0x250/0x250 [ 259.515691] [] addrconf_rs_timer+0x27e/0x5a0 [ 259.515698] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.515705] [] call_timer_fn+0x163/0x6e0 [ 259.515711] [] ? call_timer_fn+0xda/0x6e0 [ 259.515719] [] ? debug_object_deactivate+0x214/0x340 [ 259.515725] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.515731] [] ? process_timeout+0x20/0x20 [ 259.515738] [] ? check_preemption_disabled+0x3b/0x200 [ 259.515745] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 259.515752] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.515758] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 259.515765] [] ? ipv6_get_lladdr+0x440/0x440 [ 259.515771] [] expire_timers+0x234/0x580 [ 259.515777] [] ? collect_expired_timers+0x1d5/0x2b0 [ 259.515784] [] run_timer_softirq+0x208/0x5e0 [ 259.515791] [] ? expire_timers+0x580/0x580 [ 259.515798] [] ? check_preemption_disabled+0x3b/0x200 [ 259.515807] [] __do_softirq+0x20e/0x964 [ 259.515814] [] ? check_preemption_disabled+0x3b/0x200 [ 259.515821] [] irq_exit+0x11c/0x150 [ 259.515828] [] smp_apic_timer_interrupt+0x81/0xb0 [ 259.515835] [] apic_timer_interrupt+0x9d/0xb0 [ 259.515844] [ 259.515844] [] ? _raw_spin_unlock_irqrestore+0x5f/0x70 [ 259.515852] [] debug_check_no_obj_freed+0x2ce/0x890 [ 259.515860] [] ? debug_object_activate+0x4e0/0x4e0 [ 259.515866] [] ? _raw_spin_unlock+0x2c/0x50 [ 259.515872] [] __vunmap+0x130/0x400 [ 259.515878] [] vfree+0x50/0x110 [ 259.515885] [] __vmalloc_node_range+0x423/0x600 [ 259.515893] [] ? xt_alloc_table_info+0xc9/0x100 [ 259.515899] [] vmalloc+0x5b/0x70 [ 259.515906] [] ? xt_alloc_table_info+0xc9/0x100 [ 259.515912] [] xt_alloc_table_info+0xc9/0x100 [ 259.515921] [] do_replace.isra.7+0xfd/0x470 [ 259.515928] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 259.515936] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 259.515943] [] ? selinux_capable+0x36/0x40 [ 259.515951] [] ? ns_capable_common+0x12a/0x150 [ 259.515958] [] do_arpt_set_ctl+0xff/0x140 [ 259.515966] [] nf_setsockopt+0x6d/0xc0 [ 259.515974] [] ip_setsockopt+0x88/0xa0 [ 259.515981] [] tcp_setsockopt+0x88/0xe0 [ 259.515989] [] sock_common_setsockopt+0x9a/0xe0 [ 259.515995] [] SyS_setsockopt+0x166/0x260 [ 259.516002] [] ? SyS_recv+0x40/0x40 [ 259.516009] [] ? setxattr+0x270/0x270 [ 259.516016] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 259.516023] [] ? do_syscall_64+0x48/0x550 [ 259.516029] [] ? SyS_recv+0x40/0x40 [ 259.516035] [] do_syscall_64+0x19f/0x550 [ 259.516043] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 259.516046] Mem-Info: [ 259.516062] active_anon:3086 inactive_anon:41 isolated_anon:0 [ 259.516062] active_file:25 inactive_file:25 isolated_file:0 [ 259.516062] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.516062] slab_reclaimable:4477 slab_unreclaimable:57303 [ 259.516062] mapped:25 shmem:48 pagetables:332 bounce:0 [ 259.516062] free:260 free_pcp:0 free_cma:0 [ 259.516075] Node 0 active_anon:12344kB inactive_anon:164kB active_file:100kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:100kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:23 all_unreclaimable? yes [ 259.516092] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 259.516117] Normal free:1040kB min:5580kB low:9168kB high:12756kB active_anon:12344kB inactive_anon:164kB active_file:100kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:229212kB kernel_stack:3776kB pagetables:1328kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 259.516151] 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 (MH) 11*8kB (MH) 4*16kB (MH) 4*32kB (H) 5*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1040kB 98 total pagecache pages [ 259.516192] 0 pages in swap cache [ 259.516195] Swap cache stats: add 0, delete 0, find 0/0 [ 259.516197] Free swap = 0kB [ 259.516199] Total swap = 0kB [ 259.516201] 1965979 pages RAM [ 259.516203] 0 pages HighMem/MovableOnly [ 259.516205] 313617 pages reserved [ 259.516212] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 259.516217] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 259.516222] node 0: slabs: 656, objs: 7872, free: 0 [ 259.516275] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.595363] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 259.595369] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 259.595374] node 0: slabs: 656, objs: 7872, free: 0 [ 259.595379] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.595398] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 259.595403] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 259.595407] node 0: slabs: 656, objs: 7872, free: 0 [ 259.595410] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.595427] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 259.595432] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 259.595436] node 0: slabs: 656, objs: 7872, free: 0 [ 259.595439] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.455579] lowmemorykiller: Killing 'syz-executor922' (2246) (tgid 2242), adj 1000, [ 260.455579] to free 116kB on behalf of 'rsyslogd' (1900) because [ 260.455579] cache 200kB is below limit 6144kB for oom_score_adj 0 [ 260.455579] Free memory is -36464kB above reserved [ 260.455661] lowmemorykiller: Killing 'syz-executor922' (2246) (tgid 2242), adj 1000, [ 260.455661] to free 116kB on behalf of 'syz-executor922' (2255) because [ 260.455661] cache 200kB is below limit 6144kB for oom_score_adj 0 [ 260.455661] Free memory is -36464kB above reserved [ 261.465465] lowmemorykiller: Killing 'syz-executor922' (2246) (tgid 2242), adj 1000, [ 261.465465] to free 116kB on behalf of 'syz-executor922' (2241) because [ 261.465465] cache 216kB is below limit 6144kB for oom_score_adj 0 [ 261.465465] Free memory is -32008kB above reserved [ 261.465477] lowmemorykiller: Killing 'syz-executor922' (2246) (tgid 2242), adj 1000, [ 261.465477] to free 116kB on behalf of 'syz-executor922' (2105) because [ 261.465477] cache 216kB is below limit 6144kB for oom_score_adj 0 [ 261.465477] Free memory is -32008kB above reserved [ 262.480224] lowmemorykiller: Killing 'syz-executor922' (2246) (tgid 2242), adj 1000, [ 262.480224] to free 92kB on behalf of 'kswapd0' (33) because [ 262.480224] cache 464kB is below limit 6144kB for oom_score_adj 0 [ 262.480224] Free memory is -10532kB above reserved [ 263.485452] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 263.485452] to free 96kB on behalf of 'syz-executor922' (2108) because [ 263.485452] cache 360kB is below limit 6144kB for oom_score_adj 0 [ 263.485452] Free memory is -12084kB above reserved [ 264.495452] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 264.495452] to free 96kB on behalf of 'syz-executor922' (2263) because [ 264.495452] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 264.495452] Free memory is -13364kB above reserved [ 265.505398] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 265.505398] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 265.505398] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 265.505398] Free memory is -13364kB above reserved [ 266.515455] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 266.515455] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 266.515455] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 266.515455] Free memory is -13364kB above reserved [ 267.525457] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 267.525457] to free 96kB on behalf of 'syz-executor922' (2260) because [ 267.525457] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 267.525457] Free memory is -13512kB above reserved [ 268.535413] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 268.535413] to free 96kB on behalf of 'rsyslogd' (1900) because [ 268.535413] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 268.535413] Free memory is -13512kB above reserved [ 268.535424] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 268.535424] to free 96kB on behalf of 'init' (1) because [ 268.535424] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 268.535424] Free memory is -13512kB above reserved [ 269.545449] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 269.545449] to free 96kB on behalf of 'syz-executor922' (2261) because [ 269.545449] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 269.545449] Free memory is -13512kB above reserved [ 270.555437] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 270.555437] to free 96kB on behalf of 'syz-executor922' (2259) because [ 270.555437] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 270.555437] Free memory is -13512kB above reserved [ 271.565462] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 271.565462] to free 96kB on behalf of 'syz-executor922' (2260) because [ 271.565462] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 271.565462] Free memory is -13512kB above reserved [ 272.575436] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 272.575436] to free 96kB on behalf of 'syz-executor922' (2259) because [ 272.575436] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 272.575436] Free memory is -13512kB above reserved [ 273.196753] warn_alloc: 10 callbacks suppressed [ 273.196771] init: page allocation stalls for 10020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 273.196780] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 273.196797] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 273.196808] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 273.196818] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 273.196820] Call Trace: [ 273.196836] [] dump_stack+0xc1/0x128 [ 273.196846] [] warn_alloc.cold.31+0x7f/0x9c [ 273.196856] [] ? zone_watermark_ok_safe+0x250/0x250 [ 273.196866] [] ? shrink_node+0x740/0x740 [ 273.196875] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 273.196883] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 273.196893] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 273.196902] [] ? check_preemption_disabled+0x3b/0x200 [ 273.196910] [] ? find_get_entry+0x11a/0x570 [ 273.196917] [] ? find_get_entry+0x141/0x570 [ 273.196925] [] ? page_cache_prev_hole+0x80/0x80 [ 273.196934] [] ? autoremove_wake_function+0x40/0x40 [ 273.196941] [] ? pagecache_get_page+0x131/0x710 [ 273.196949] [] filemap_fault+0xaf1/0x1110 [ 273.196959] [] ext4_filemap_fault+0x71/0xa0 [ 273.196967] [] __do_fault+0x223/0x500 [ 273.196974] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 273.196982] [] ? handle_mm_fault+0x1d4f/0x2350 [ 273.196990] [] handle_mm_fault+0x1326/0x2350 [ 273.196997] [] ? vm_insert_page+0x6f0/0x6f0 [ 273.197005] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 273.197014] [] __do_page_fault+0x403/0xa60 [ 273.197022] [] ? bad_area_access_error+0x3a0/0x3a0 [ 273.197033] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.197041] [] do_page_fault+0x27/0x30 [ 273.197049] [] page_fault+0x25/0x30 [ 273.197053] Mem-Info: [ 273.197072] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 273.197072] active_file:53 inactive_file:53 isolated_file:0 [ 273.197072] unevictable:0 dirty:0 writeback:0 unstable:0 [ 273.197072] slab_reclaimable:4477 slab_unreclaimable:56896 [ 273.197072] mapped:64 shmem:48 pagetables:332 bounce:0 [ 273.197072] free:5998 free_pcp:88 free_cma:0 [ 273.197086] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 273.197105] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:68kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 273.197133] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227516kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:232kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 273.197198] DMA32: 13*4kB (M) 19*8kB (UM) 12*16kB (UM) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18668kB Normal: 187*4kB (MH) 100*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 273.197247] 0 pages in swap cache [ 273.197251] Swap cache stats: add 0, delete 0, find 0/0 [ 273.197253] Free swap = 0kB [ 273.197255] Total swap = 0kB [ 273.197258] 1965979 pages RAM [ 273.197260] 0 pages HighMem/MovableOnly [ 273.197262] 313617 pages reserved [ 273.216955] rsyslogd: page allocation stalls for 10020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 273.216964] CPU: 0 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 273.216981] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 273.216992] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 273.217002] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 273.217004] Call Trace: [ 273.217020] [] dump_stack+0xc1/0x128 [ 273.217030] [] warn_alloc.cold.31+0x7f/0x9c [ 273.217041] [] ? zone_watermark_ok_safe+0x250/0x250 [ 273.217050] [] ? shrink_node+0x740/0x740 [ 273.217060] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 273.217068] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 273.217077] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 273.217086] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 273.217094] [] ? find_get_entry+0x11a/0x570 [ 273.217101] [] ? find_get_entry+0x141/0x570 [ 273.217108] [] ? page_cache_prev_hole+0x80/0x80 [ 273.217116] [] ? pagecache_get_page+0x131/0x710 [ 273.217124] [] filemap_fault+0xaf1/0x1110 [ 273.217133] [] ext4_filemap_fault+0x71/0xa0 [ 273.217140] [] __do_fault+0x223/0x500 [ 273.217147] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 273.217155] [] ? handle_mm_fault+0x1d4f/0x2350 [ 273.217162] [] handle_mm_fault+0x1326/0x2350 [ 273.217170] [] ? vm_insert_page+0x6f0/0x6f0 [ 273.217178] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 273.217187] [] __do_page_fault+0x403/0xa60 [ 273.217194] [] ? bad_area_access_error+0x3a0/0x3a0 [ 273.217205] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.217212] [] do_page_fault+0x27/0x30 [ 273.217220] [] page_fault+0x25/0x30 [ 273.217224] Mem-Info: [ 273.217242] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 273.217242] active_file:53 inactive_file:53 isolated_file:0 [ 273.217242] unevictable:0 dirty:0 writeback:0 unstable:0 [ 273.217242] slab_reclaimable:4477 slab_unreclaimable:56896 [ 273.217242] mapped:64 shmem:48 pagetables:332 bounce:0 [ 273.217242] free:5998 free_pcp:88 free_cma:0 [ 273.217256] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 273.217275] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:68kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 273.217303] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227516kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:232kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 273.217359] DMA32: 13*4kB (M) 19*8kB (UM) 12*16kB (UM) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18668kB Normal: 187*4kB (MH) 100*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 273.217408] 0 pages in swap cache [ 273.217412] Swap cache stats: add 0, delete 0, find 0/0 [ 273.217415] Free swap = 0kB [ 273.217417] Total swap = 0kB [ 273.217419] 1965979 pages RAM [ 273.217421] 0 pages HighMem/MovableOnly [ 273.217423] 313617 pages reserved [ 273.495660] rs:main Q:Reg: page allocation stalls for 10010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 273.495670] CPU: 1 PID: 1897 Comm: rs:main Q:Reg Not tainted 4.9.141+ #1 [ 273.495686] ffff8801d3bef7c0 ffffffff81b42e79 1ffff1003a77defa ffff8801d47ac740 [ 273.495697] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3bef908 [ 273.495707] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 273.495709] Call Trace: [ 273.495725] [] dump_stack+0xc1/0x128 [ 273.495735] [] warn_alloc.cold.31+0x7f/0x9c [ 273.495745] [] ? zone_watermark_ok_safe+0x250/0x250 [ 273.495754] [] ? shrink_node+0x740/0x740 [ 273.495763] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 273.495772] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 273.495781] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 273.495791] [] ? check_preemption_disabled+0x3b/0x200 [ 273.495798] [] ? find_get_entry+0x11a/0x570 [ 273.495806] [] ? find_get_entry+0x141/0x570 [ 273.495813] [] ? page_cache_prev_hole+0x80/0x80 [ 273.495822] [] ? autoremove_wake_function+0x40/0x40 [ 273.495830] [] ? pagecache_get_page+0x131/0x710 [ 273.495837] [] filemap_fault+0xaf1/0x1110 [ 273.495847] [] ext4_filemap_fault+0x71/0xa0 [ 273.495855] [] __do_fault+0x223/0x500 [ 273.495862] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 273.495870] [] ? handle_mm_fault+0x1d4f/0x2350 [ 273.495877] [] handle_mm_fault+0x1326/0x2350 [ 273.495885] [] ? vm_insert_page+0x6f0/0x6f0 [ 273.495894] [] ? selinux_file_permission+0x82/0x470 [ 273.495904] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 273.495912] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 273.495921] [] __do_page_fault+0x403/0xa60 [ 273.495929] [] ? bad_area_access_error+0x3a0/0x3a0 [ 273.495939] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.495947] [] do_page_fault+0x27/0x30 [ 273.495955] [] page_fault+0x25/0x30 [ 273.495959] Mem-Info: [ 273.495978] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 273.495978] active_file:53 inactive_file:53 isolated_file:0 [ 273.495978] unevictable:0 dirty:0 writeback:0 unstable:0 [ 273.495978] slab_reclaimable:4477 slab_unreclaimable:56896 [ 273.495978] mapped:64 shmem:48 pagetables:332 bounce:0 [ 273.495978] free:5998 free_pcp:88 free_cma:0 [ 273.495992] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 273.496012] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:68kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 273.496040] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227516kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:232kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 273.496097] DMA32: 13*4kB (M) 19*8kB (UM) 12*16kB (UM) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18668kB Normal: 187*4kB (MH) 100*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 273.496147] 0 pages in swap cache [ 273.496159] Swap cache stats: add 0, delete 0, find 0/0 [ 273.496161] Free swap = 0kB [ 273.496163] Total swap = 0kB [ 273.496166] 1965979 pages RAM [ 273.496168] 0 pages HighMem/MovableOnly [ 273.496170] 313617 pages reserved [ 273.585408] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 273.585408] to free 96kB on behalf of 'syz-executor922' (2247) because [ 273.585408] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 273.585408] Free memory is -13512kB above reserved [ 273.727187] syz-executor922: page allocation stalls for 10030ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 273.727197] CPU: 0 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 273.727213] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 273.727222] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 273.727232] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 273.727234] Call Trace: [ 273.727249] [] dump_stack+0xc1/0x128 [ 273.727259] [] warn_alloc.cold.31+0x7f/0x9c [ 273.727269] [] ? zone_watermark_ok_safe+0x250/0x250 [ 273.727277] [] ? shrink_node+0x740/0x740 [ 273.727286] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 273.727294] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 273.727303] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 273.727310] [] ? quarantine_put+0xd9/0x180 [ 273.727322] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 273.727329] [] ? trace_hardirqs_on+0xd/0x10 [ 273.727339] [] ? anon_vma_prepare+0x62/0x3d0 [ 273.727346] [] wp_page_copy+0x150/0x12a0 [ 273.727353] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 273.727361] [] ? init_wait_entry+0x100/0x100 [ 273.727368] [] ? add_mm_counter_fast+0xc0/0xc0 [ 273.727375] [] ? do_wp_page+0x270/0x2010 [ 273.727384] [] do_wp_page+0x2ae/0x2010 [ 273.727391] [] ? kasan_slab_free+0x119/0x190 [ 273.727398] [] ? vm_normal_page+0x300/0x300 [ 273.727405] [] ? __lock_acquire+0x654/0x4a10 [ 273.727412] [] ? handle_mm_fault+0x481/0x2350 [ 273.727419] [] handle_mm_fault+0xfcb/0x2350 [ 273.727426] [] ? vm_insert_page+0x6f0/0x6f0 [ 273.727433] [] ? validate_mm+0x32e/0x580 [ 273.727440] [] ? memset+0x31/0x40 [ 273.727449] [] __do_page_fault+0x403/0xa60 [ 273.727456] [] ? bad_area_access_error+0x3a0/0x3a0 [ 273.727465] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.727473] [] do_page_fault+0x27/0x30 [ 273.727482] [] page_fault+0x25/0x30 [ 273.727485] Mem-Info: [ 273.727503] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 273.727503] active_file:53 inactive_file:53 isolated_file:0 [ 273.727503] unevictable:0 dirty:0 writeback:0 unstable:0 [ 273.727503] slab_reclaimable:4477 slab_unreclaimable:56896 [ 273.727503] mapped:64 shmem:48 pagetables:332 bounce:0 [ 273.727503] free:5998 free_pcp:88 free_cma:0 [ 273.727516] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 273.727535] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:68kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 273.727560] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227516kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:232kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 273.727612] DMA32: 13*4kB (M) 19*8kB (UM) 12*16kB (UM) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18668kB Normal: 187*4kB (MH) 100*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 273.727675] 0 pages in swap cache [ 273.727679] Swap cache stats: add 0, delete 0, find 0/0 [ 273.727681] Free swap = 0kB [ 273.727683] Total swap = 0kB [ 273.727685] 1965979 pages RAM [ 273.727687] 0 pages HighMem/MovableOnly [ 273.727689] 313617 pages reserved [ 274.595398] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 274.595398] to free 96kB on behalf of 'syz-executor922' (2255) because [ 274.595398] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 274.595398] Free memory is -13512kB above reserved [ 274.595410] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 274.595410] to free 96kB on behalf of 'rsyslogd' (1900) because [ 274.595410] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 274.595410] Free memory is -13512kB above reserved [ 275.605426] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 275.605426] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 275.605426] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 275.605426] Free memory is -13512kB above reserved [ 276.615460] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 276.615460] to free 96kB on behalf of 'syz-executor922' (2246) because [ 276.615460] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 276.615460] Free memory is -13512kB above reserved [ 277.625533] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 277.625533] to free 96kB on behalf of 'syz-executor922' (2108) because [ 277.625533] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 277.625533] Free memory is -13512kB above reserved [ 277.625544] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 277.625544] to free 96kB on behalf of 'syz-executor922' (2259) because [ 277.625544] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 277.625544] Free memory is -13512kB above reserved [ 278.635403] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 278.635403] to free 96kB on behalf of 'syz-executor922' (2247) because [ 278.635403] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 278.635403] Free memory is -13512kB above reserved [ 279.645472] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 279.645472] to free 96kB on behalf of 'syz-executor922' (2261) because [ 279.645472] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 279.645472] Free memory is -13512kB above reserved [ 279.645489] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 279.645489] to free 96kB on behalf of 'syz-executor922' (2246) because [ 279.645489] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 279.645489] Free memory is -13512kB above reserved [ 280.655428] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 280.655428] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 280.655428] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 280.655428] Free memory is -13512kB above reserved [ 281.668032] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 281.668032] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 281.668032] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 281.668032] Free memory is -13512kB above reserved [ 282.675401] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 282.675401] to free 96kB on behalf of 'syz-executor922' (2261) because [ 282.675401] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 282.675401] Free memory is -13520kB above reserved [ 283.207221] init: page allocation stalls for 20030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 283.207230] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 283.207247] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 283.207256] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 283.207265] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 283.207267] Call Trace: [ 283.207282] [] dump_stack+0xc1/0x128 [ 283.207292] [] warn_alloc.cold.31+0x7f/0x9c [ 283.207302] [] ? zone_watermark_ok_safe+0x250/0x250 [ 283.207310] [] ? shrink_node+0x740/0x740 [ 283.207320] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 283.207328] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 283.207337] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 283.207347] [] ? check_preemption_disabled+0x3b/0x200 [ 283.207354] [] ? find_get_entry+0x11a/0x570 [ 283.207361] [] ? find_get_entry+0x141/0x570 [ 283.207368] [] ? page_cache_prev_hole+0x80/0x80 [ 283.207378] [] ? autoremove_wake_function+0x40/0x40 [ 283.207386] [] ? pagecache_get_page+0x131/0x710 [ 283.207393] [] filemap_fault+0xaf1/0x1110 [ 283.207402] [] ext4_filemap_fault+0x71/0xa0 [ 283.207410] [] __do_fault+0x223/0x500 [ 283.207417] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 283.207425] [] ? handle_mm_fault+0x1d4f/0x2350 [ 283.207433] [] handle_mm_fault+0x1326/0x2350 [ 283.207440] [] ? vm_insert_page+0x6f0/0x6f0 [ 283.207448] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 283.207458] [] __do_page_fault+0x403/0xa60 [ 283.207465] [] ? bad_area_access_error+0x3a0/0x3a0 [ 283.207476] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.207483] [] do_page_fault+0x27/0x30 [ 283.207492] [] page_fault+0x25/0x30 [ 283.207495] Mem-Info: [ 283.207514] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 283.207514] active_file:53 inactive_file:53 isolated_file:0 [ 283.207514] unevictable:0 dirty:0 writeback:0 unstable:0 [ 283.207514] slab_reclaimable:4477 slab_unreclaimable:56898 [ 283.207514] mapped:64 shmem:48 pagetables:332 bounce:0 [ 283.207514] free:5996 free_pcp:88 free_cma:0 [ 283.207529] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 283.207548] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:68kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 283.207576] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227524kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:232kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 283.207648] DMA32: 13*4kB (M) 19*8kB (UM) 12*16kB (UM) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18668kB Normal: 187*4kB (MH) 99*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 283.207703] 0 pages in swap cache [ 283.207707] Swap cache stats: add 0, delete 0, find 0/0 [ 283.207709] Free swap = 0kB [ 283.207711] Total swap = 0kB [ 283.207714] 1965979 pages RAM [ 283.207716] 0 pages HighMem/MovableOnly [ 283.207718] 313617 pages reserved [ 283.271019] rsyslogd: page allocation stalls for 20070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 283.271029] CPU: 1 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 283.271045] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 283.271056] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 283.271066] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 283.271068] Call Trace: [ 283.271084] [] dump_stack+0xc1/0x128 [ 283.271094] [] warn_alloc.cold.31+0x7f/0x9c [ 283.271105] [] ? zone_watermark_ok_safe+0x250/0x250 [ 283.271114] [] ? shrink_node+0x740/0x740 [ 283.271124] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 283.271133] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 283.271142] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 283.271150] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 283.271165] [] ? find_get_entry+0x11a/0x570 [ 283.271173] [] ? find_get_entry+0x141/0x570 [ 283.271180] [] ? page_cache_prev_hole+0x80/0x80 [ 283.271188] [] ? pagecache_get_page+0x131/0x710 [ 283.271196] [] filemap_fault+0xaf1/0x1110 [ 283.271205] [] ext4_filemap_fault+0x71/0xa0 [ 283.271213] [] __do_fault+0x223/0x500 [ 283.271220] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 283.271228] [] ? handle_mm_fault+0x1d4f/0x2350 [ 283.271236] [] handle_mm_fault+0x1326/0x2350 [ 283.271243] [] ? vm_insert_page+0x6f0/0x6f0 [ 283.271251] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 283.271261] [] __do_page_fault+0x403/0xa60 [ 283.271269] [] ? bad_area_access_error+0x3a0/0x3a0 [ 283.271279] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.271286] [] do_page_fault+0x27/0x30 [ 283.271295] [] page_fault+0x25/0x30 [ 283.271298] Mem-Info: [ 283.271317] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 283.271317] active_file:53 inactive_file:53 isolated_file:0 [ 283.271317] unevictable:0 dirty:0 writeback:0 unstable:0 [ 283.271317] slab_reclaimable:4477 slab_unreclaimable:56898 [ 283.271317] mapped:64 shmem:48 pagetables:332 bounce:0 [ 283.271317] free:5996 free_pcp:88 free_cma:0 [ 283.271331] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 283.271351] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:68kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 283.271379] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227524kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:232kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 283.271437] DMA32: 13*4kB (M) 19*8kB (UM) 12*16kB (UM) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18668kB Normal: 187*4kB (MH) 99*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 283.271486] 0 pages in swap cache [ 283.271491] Swap cache stats: add 0, delete 0, find 0/0 [ 283.271493] Free swap = 0kB [ 283.271495] Total swap = 0kB [ 283.271498] 1965979 pages RAM [ 283.271500] 0 pages HighMem/MovableOnly [ 283.271502] 313617 pages reserved [ 283.497222] rs:main Q:Reg: page allocation stalls for 20010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 283.497232] CPU: 0 PID: 1897 Comm: rs:main Q:Reg Not tainted 4.9.141+ #1 [ 283.497249] ffff8801d3bef7c0 ffffffff81b42e79 1ffff1003a77defa ffff8801d47ac740 [ 283.497260] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3bef908 [ 283.497270] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 283.497272] Call Trace: [ 283.497288] [] dump_stack+0xc1/0x128 [ 283.497299] [] warn_alloc.cold.31+0x7f/0x9c [ 283.497309] [] ? zone_watermark_ok_safe+0x250/0x250 [ 283.497318] [] ? shrink_node+0x740/0x740 [ 283.497327] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 283.497336] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 283.497345] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 283.497354] [] ? check_preemption_disabled+0x3b/0x200 [ 283.497362] [] ? find_get_entry+0x11a/0x570 [ 283.497370] [] ? find_get_entry+0x141/0x570 [ 283.497377] [] ? page_cache_prev_hole+0x80/0x80 [ 283.497386] [] ? autoremove_wake_function+0x40/0x40 [ 283.497393] [] ? pagecache_get_page+0x131/0x710 [ 283.497401] [] filemap_fault+0xaf1/0x1110 [ 283.497411] [] ext4_filemap_fault+0x71/0xa0 [ 283.497418] [] __do_fault+0x223/0x500 [ 283.497425] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 283.497433] [] ? handle_mm_fault+0x1d4f/0x2350 [ 283.497441] [] handle_mm_fault+0x1326/0x2350 [ 283.497448] [] ? vm_insert_page+0x6f0/0x6f0 [ 283.497457] [] ? selinux_file_permission+0x82/0x470 [ 283.497467] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 283.497475] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 283.497484] [] __do_page_fault+0x403/0xa60 [ 283.497492] [] ? bad_area_access_error+0x3a0/0x3a0 [ 283.497503] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.497510] [] do_page_fault+0x27/0x30 [ 283.497518] [] page_fault+0x25/0x30 [ 283.497522] Mem-Info: [ 283.497541] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 283.497541] active_file:53 inactive_file:53 isolated_file:0 [ 283.497541] unevictable:0 dirty:0 writeback:0 unstable:0 [ 283.497541] slab_reclaimable:4477 slab_unreclaimable:56903 [ 283.497541] mapped:64 shmem:48 pagetables:332 bounce:0 [ 283.497541] free:5992 free_pcp:87 free_cma:0 [ 283.497555] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 283.497576] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 283.497604] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227528kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:228kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 283.497669] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 99*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 283.497718] 0 pages in swap cache [ 283.497722] Swap cache stats: add 0, delete 0, find 0/0 [ 283.497724] Free swap = 0kB [ 283.497726] Total swap = 0kB [ 283.497729] 1965979 pages RAM [ 283.497731] 0 pages HighMem/MovableOnly [ 283.497733] 313617 pages reserved [ 283.685431] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 283.685431] to free 96kB on behalf of 'syz-executor922' (2261) because [ 283.685431] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 283.685431] Free memory is -13536kB above reserved [ 283.697394] syz-executor922: page allocation stalls for 20020ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 283.697404] CPU: 0 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 283.697420] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 283.697431] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 283.697442] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 283.697443] Call Trace: [ 283.697460] [] dump_stack+0xc1/0x128 [ 283.697470] [] warn_alloc.cold.31+0x7f/0x9c [ 283.697480] [] ? zone_watermark_ok_safe+0x250/0x250 [ 283.697489] [] ? shrink_node+0x740/0x740 [ 283.697498] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 283.697507] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 283.697516] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 283.697523] [] ? quarantine_put+0xd9/0x180 [ 283.697532] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 283.697539] [] ? trace_hardirqs_on+0xd/0x10 [ 283.697549] [] ? anon_vma_prepare+0x62/0x3d0 [ 283.697557] [] wp_page_copy+0x150/0x12a0 [ 283.697564] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 283.697573] [] ? init_wait_entry+0x100/0x100 [ 283.697580] [] ? add_mm_counter_fast+0xc0/0xc0 [ 283.697587] [] ? do_wp_page+0x270/0x2010 [ 283.697594] [] do_wp_page+0x2ae/0x2010 [ 283.697602] [] ? kasan_slab_free+0x119/0x190 [ 283.697609] [] ? vm_normal_page+0x300/0x300 [ 283.697616] [] ? __lock_acquire+0x654/0x4a10 [ 283.697624] [] ? handle_mm_fault+0x481/0x2350 [ 283.697632] [] handle_mm_fault+0xfcb/0x2350 [ 283.697639] [] ? vm_insert_page+0x6f0/0x6f0 [ 283.697647] [] ? validate_mm+0x32e/0x580 [ 283.697654] [] ? memset+0x31/0x40 [ 283.697670] [] __do_page_fault+0x403/0xa60 [ 283.697678] [] ? bad_area_access_error+0x3a0/0x3a0 [ 283.697688] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.697695] [] do_page_fault+0x27/0x30 [ 283.697704] [] page_fault+0x25/0x30 [ 283.697708] Mem-Info: [ 283.697726] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 283.697726] active_file:53 inactive_file:53 isolated_file:0 [ 283.697726] unevictable:0 dirty:0 writeback:0 unstable:0 [ 283.697726] slab_reclaimable:4477 slab_unreclaimable:56903 [ 283.697726] mapped:64 shmem:48 pagetables:332 bounce:0 [ 283.697726] free:5992 free_pcp:87 free_cma:0 [ 283.697740] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 283.697760] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 283.697787] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227528kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:228kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 283.697844] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 99*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 283.697892] 0 pages in swap cache [ 283.697896] Swap cache stats: add 0, delete 0, find 0/0 [ 283.697898] Free swap = 0kB [ 283.697900] Total swap = 0kB [ 283.697903] 1965979 pages RAM [ 283.697905] 0 pages HighMem/MovableOnly [ 283.697907] 313617 pages reserved [ 284.695420] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 284.695420] to free 96kB on behalf of 'syz-executor922' (2255) because [ 284.695420] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 284.695420] Free memory is -13536kB above reserved [ 285.705441] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 285.705441] to free 96kB on behalf of 'init' (1) because [ 285.705441] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 285.705441] Free memory is -13536kB above reserved [ 285.705460] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 285.705460] to free 96kB on behalf of 'syz-executor922' (2260) because [ 285.705460] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 285.705460] Free memory is -13536kB above reserved [ 286.718295] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 286.718295] to free 96kB on behalf of 'rsyslogd' (1900) because [ 286.718295] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 286.718295] Free memory is -13536kB above reserved [ 286.718307] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 286.718307] to free 96kB on behalf of 'syz-executor922' (2245) because [ 286.718307] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 286.718307] Free memory is -13536kB above reserved [ 287.725400] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 287.725400] to free 96kB on behalf of 'syz-executor922' (2245) because [ 287.725400] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 287.725400] Free memory is -13536kB above reserved [ 287.725412] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 287.725412] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 287.725412] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 287.725412] Free memory is -13536kB above reserved [ 288.735452] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 288.735452] to free 96kB on behalf of 'syz-executor922' (2108) because [ 288.735452] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 288.735452] Free memory is -13536kB above reserved [ 289.762317] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 289.762317] to free 96kB on behalf of 'rsyslogd' (1900) because [ 289.762317] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 289.762317] Free memory is -13536kB above reserved [ 290.765420] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 290.765420] to free 96kB on behalf of 'syz-executor922' (2241) because [ 290.765420] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 290.765420] Free memory is -13536kB above reserved [ 291.775408] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 291.775408] to free 96kB on behalf of 'syz-executor922' (2263) because [ 291.775408] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 291.775408] Free memory is -13536kB above reserved [ 292.785455] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 292.785455] to free 96kB on behalf of 'syz-executor922' (2247) because [ 292.785455] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 292.785455] Free memory is -13536kB above reserved [ 293.206343] init: page allocation stalls for 30030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 293.206352] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 293.206369] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 293.206380] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 293.206390] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 293.206392] Call Trace: [ 293.206408] [] dump_stack+0xc1/0x128 [ 293.206418] [] warn_alloc.cold.31+0x7f/0x9c [ 293.206428] [] ? zone_watermark_ok_safe+0x250/0x250 [ 293.206437] [] ? shrink_node+0x740/0x740 [ 293.206447] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 293.206455] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 293.206464] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 293.206474] [] ? check_preemption_disabled+0x3b/0x200 [ 293.206482] [] ? find_get_entry+0x11a/0x570 [ 293.206489] [] ? find_get_entry+0x141/0x570 [ 293.206496] [] ? page_cache_prev_hole+0x80/0x80 [ 293.206505] [] ? autoremove_wake_function+0x40/0x40 [ 293.206513] [] ? pagecache_get_page+0x131/0x710 [ 293.206521] [] filemap_fault+0xaf1/0x1110 [ 293.206530] [] ext4_filemap_fault+0x71/0xa0 [ 293.206537] [] __do_fault+0x223/0x500 [ 293.206545] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 293.206553] [] ? handle_mm_fault+0x1d4f/0x2350 [ 293.206560] [] handle_mm_fault+0x1326/0x2350 [ 293.206568] [] ? vm_insert_page+0x6f0/0x6f0 [ 293.206575] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 293.206585] [] __do_page_fault+0x403/0xa60 [ 293.206593] [] ? bad_area_access_error+0x3a0/0x3a0 [ 293.206604] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.206611] [] do_page_fault+0x27/0x30 [ 293.206620] [] page_fault+0x25/0x30 [ 293.206623] Mem-Info: [ 293.206642] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 293.206642] active_file:53 inactive_file:53 isolated_file:0 [ 293.206642] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.206642] slab_reclaimable:4477 slab_unreclaimable:56903 [ 293.206642] mapped:64 shmem:48 pagetables:332 bounce:0 [ 293.206642] free:5992 free_pcp:87 free_cma:0 [ 293.206656] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 293.206684] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 293.206712] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227528kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:228kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 293.206769] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 99*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 293.206819] 0 pages in swap cache [ 293.206823] Swap cache stats: add 0, delete 0, find 0/0 [ 293.206825] Free swap = 0kB [ 293.206828] Total swap = 0kB [ 293.206830] 1965979 pages RAM [ 293.206832] 0 pages HighMem/MovableOnly [ 293.206835] 313617 pages reserved [ 293.219056] rsyslogd: page allocation stalls for 30020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 293.219065] CPU: 0 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 293.219079] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 293.219088] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 293.219098] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 293.219100] Call Trace: [ 293.219115] [] dump_stack+0xc1/0x128 [ 293.219124] [] warn_alloc.cold.31+0x7f/0x9c [ 293.219134] [] ? zone_watermark_ok_safe+0x250/0x250 [ 293.219143] [] ? shrink_node+0x740/0x740 [ 293.219152] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 293.219160] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 293.219168] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 293.219176] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 293.219183] [] ? find_get_entry+0x11a/0x570 [ 293.219190] [] ? find_get_entry+0x141/0x570 [ 293.219197] [] ? page_cache_prev_hole+0x80/0x80 [ 293.219204] [] ? pagecache_get_page+0x131/0x710 [ 293.219211] [] filemap_fault+0xaf1/0x1110 [ 293.219220] [] ext4_filemap_fault+0x71/0xa0 [ 293.219227] [] __do_fault+0x223/0x500 [ 293.219234] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 293.219241] [] ? handle_mm_fault+0x1d4f/0x2350 [ 293.219252] [] handle_mm_fault+0x1326/0x2350 [ 293.219259] [] ? vm_insert_page+0x6f0/0x6f0 [ 293.219266] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 293.219276] [] __do_page_fault+0x403/0xa60 [ 293.219285] [] ? bad_area_access_error+0x3a0/0x3a0 [ 293.219294] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.219301] [] do_page_fault+0x27/0x30 [ 293.219310] [] page_fault+0x25/0x30 [ 293.219314] Mem-Info: [ 293.219333] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 293.219333] active_file:53 inactive_file:53 isolated_file:0 [ 293.219333] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.219333] slab_reclaimable:4477 slab_unreclaimable:56903 [ 293.219333] mapped:64 shmem:48 pagetables:332 bounce:0 [ 293.219333] free:5992 free_pcp:87 free_cma:0 [ 293.219347] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 293.219366] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 293.219392] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227528kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:228kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 293.219442] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 99*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 293.219487] 0 pages in swap cache [ 293.219491] Swap cache stats: add 0, delete 0, find 0/0 [ 293.219493] Free swap = 0kB [ 293.219495] Total swap = 0kB [ 293.219497] 1965979 pages RAM [ 293.219499] 0 pages HighMem/MovableOnly [ 293.219501] 313617 pages reserved [ 293.555457] rs:main Q:Reg: page allocation stalls for 30060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 293.555466] CPU: 0 PID: 1897 Comm: rs:main Q:Reg Not tainted 4.9.141+ #1 [ 293.555481] ffff8801d3bef7c0 ffffffff81b42e79 1ffff1003a77defa ffff8801d47ac740 [ 293.555491] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3bef908 [ 293.555501] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 293.555503] Call Trace: [ 293.555519] [] dump_stack+0xc1/0x128 [ 293.555529] [] warn_alloc.cold.31+0x7f/0x9c [ 293.555539] [] ? zone_watermark_ok_safe+0x250/0x250 [ 293.555547] [] ? shrink_node+0x740/0x740 [ 293.555556] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 293.555563] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 293.555572] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 293.555581] [] ? check_preemption_disabled+0x3b/0x200 [ 293.555588] [] ? find_get_entry+0x11a/0x570 [ 293.555595] [] ? find_get_entry+0x141/0x570 [ 293.555602] [] ? page_cache_prev_hole+0x80/0x80 [ 293.555610] [] ? autoremove_wake_function+0x40/0x40 [ 293.555617] [] ? pagecache_get_page+0x131/0x710 [ 293.555625] [] filemap_fault+0xaf1/0x1110 [ 293.555634] [] ext4_filemap_fault+0x71/0xa0 [ 293.555641] [] __do_fault+0x223/0x500 [ 293.555647] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 293.555654] [] ? handle_mm_fault+0x1d4f/0x2350 [ 293.555668] [] handle_mm_fault+0x1326/0x2350 [ 293.555675] [] ? vm_insert_page+0x6f0/0x6f0 [ 293.555684] [] ? selinux_file_permission+0x82/0x470 [ 293.555694] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 293.555701] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 293.555710] [] __do_page_fault+0x403/0xa60 [ 293.555718] [] ? bad_area_access_error+0x3a0/0x3a0 [ 293.555727] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.555734] [] do_page_fault+0x27/0x30 [ 293.555742] [] page_fault+0x25/0x30 [ 293.555746] Mem-Info: [ 293.555764] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 293.555764] active_file:53 inactive_file:53 isolated_file:0 [ 293.555764] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.555764] slab_reclaimable:4477 slab_unreclaimable:56903 [ 293.555764] mapped:64 shmem:48 pagetables:332 bounce:0 [ 293.555764] free:5992 free_pcp:87 free_cma:0 [ 293.555777] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 293.555796] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 293.555822] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227528kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:228kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 293.555875] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 99*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 293.555920] 0 pages in swap cache [ 293.555924] Swap cache stats: add 0, delete 0, find 0/0 [ 293.555926] Free swap = 0kB [ 293.555928] Total swap = 0kB [ 293.555931] 1965979 pages RAM [ 293.555933] 0 pages HighMem/MovableOnly [ 293.555935] 313617 pages reserved [ 293.695056] syz-executor922: page allocation stalls for 30010ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 293.695066] CPU: 1 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 293.695083] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 293.695094] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 293.695105] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 293.695107] Call Trace: [ 293.695123] [] dump_stack+0xc1/0x128 [ 293.695133] [] warn_alloc.cold.31+0x7f/0x9c [ 293.695143] [] ? zone_watermark_ok_safe+0x250/0x250 [ 293.695152] [] ? shrink_node+0x740/0x740 [ 293.695167] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 293.695176] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 293.695185] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 293.695193] [] ? quarantine_put+0xd9/0x180 [ 293.695201] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 293.695208] [] ? trace_hardirqs_on+0xd/0x10 [ 293.695219] [] ? anon_vma_prepare+0x62/0x3d0 [ 293.695227] [] wp_page_copy+0x150/0x12a0 [ 293.695235] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 293.695243] [] ? init_wait_entry+0x100/0x100 [ 293.695250] [] ? add_mm_counter_fast+0xc0/0xc0 [ 293.695257] [] ? do_wp_page+0x270/0x2010 [ 293.695264] [] do_wp_page+0x2ae/0x2010 [ 293.695272] [] ? kasan_slab_free+0x119/0x190 [ 293.695279] [] ? vm_normal_page+0x300/0x300 [ 293.695287] [] ? __lock_acquire+0x654/0x4a10 [ 293.695300] [] ? handle_mm_fault+0x481/0x2350 [ 293.695306] [] handle_mm_fault+0xfcb/0x2350 [ 293.695313] [] ? vm_insert_page+0x6f0/0x6f0 [ 293.695319] [] ? validate_mm+0x32e/0x580 [ 293.695325] [] ? memset+0x31/0x40 [ 293.695334] [] __do_page_fault+0x403/0xa60 [ 293.695341] [] ? bad_area_access_error+0x3a0/0x3a0 [ 293.695350] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.695358] [] do_page_fault+0x27/0x30 [ 293.695367] [] page_fault+0x25/0x30 [ 293.725352] Mem-Info: [ 293.725374] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 293.725374] active_file:53 inactive_file:53 isolated_file:0 [ 293.725374] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.725374] slab_reclaimable:4477 slab_unreclaimable:56903 [ 293.725374] mapped:64 shmem:48 pagetables:332 bounce:0 [ 293.725374] free:5992 free_pcp:87 free_cma:0 [ 293.725389] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 293.725408] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 293.725438] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227528kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:228kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 293.725494] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 99*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 293.725543] 0 pages in swap cache [ 293.725547] Swap cache stats: add 0, delete 0, find 0/0 [ 293.725549] Free swap = 0kB [ 293.725551] Total swap = 0kB [ 293.725554] 1965979 pages RAM [ 293.725556] 0 pages HighMem/MovableOnly [ 293.725558] 313617 pages reserved [ 293.795403] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 293.795403] to free 96kB on behalf of 'syz-executor922' (2263) because [ 293.795403] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 293.795403] Free memory is -13536kB above reserved [ 294.805461] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 294.805461] to free 96kB on behalf of 'rsyslogd' (1900) because [ 294.805461] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 294.805461] Free memory is -13536kB above reserved [ 294.805479] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 294.805479] to free 96kB on behalf of 'syz-executor922' (2241) because [ 294.805479] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 294.805479] Free memory is -13536kB above reserved [ 295.815457] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 295.815457] to free 96kB on behalf of 'syz-executor922' (2260) because [ 295.815457] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 295.815457] Free memory is -13536kB above reserved [ 296.825406] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 296.825406] to free 96kB on behalf of 'syz-executor922' (2259) because [ 296.825406] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 296.825406] Free memory is -13536kB above reserved [ 296.825418] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 296.825418] to free 96kB on behalf of 'syz-executor922' (2261) because [ 296.825418] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 296.825418] Free memory is -13536kB above reserved [ 297.835463] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 297.835463] to free 96kB on behalf of 'syz-executor922' (2247) because [ 297.835463] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 297.835463] Free memory is -13536kB above reserved [ 298.845408] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 298.845408] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 298.845408] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 298.845408] Free memory is -13536kB above reserved [ 299.855451] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 299.855451] to free 96kB on behalf of 'init' (1) because [ 299.855451] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 299.855451] Free memory is -13536kB above reserved [ 300.865415] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 300.865415] to free 96kB on behalf of 'syz-executor922' (2245) because [ 300.865415] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 300.865415] Free memory is -13536kB above reserved [ 301.875449] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 301.875449] to free 96kB on behalf of 'syz-executor922' (2259) because [ 301.875449] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 301.875449] Free memory is -13536kB above reserved [ 302.885448] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 302.885448] to free 96kB on behalf of 'cron' (1951) because [ 302.885448] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 302.885448] Free memory is -13536kB above reserved [ 303.209711] init: page allocation stalls for 40030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 303.209720] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 303.209737] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 303.209747] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 303.209758] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 303.209760] Call Trace: [ 303.209776] [] dump_stack+0xc1/0x128 [ 303.209786] [] warn_alloc.cold.31+0x7f/0x9c [ 303.209796] [] ? zone_watermark_ok_safe+0x250/0x250 [ 303.209805] [] ? shrink_node+0x740/0x740 [ 303.209814] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 303.209823] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 303.209832] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 303.209841] [] ? check_preemption_disabled+0x3b/0x200 [ 303.209849] [] ? find_get_entry+0x11a/0x570 [ 303.209856] [] ? find_get_entry+0x141/0x570 [ 303.209864] [] ? page_cache_prev_hole+0x80/0x80 [ 303.209873] [] ? autoremove_wake_function+0x40/0x40 [ 303.209880] [] ? pagecache_get_page+0x131/0x710 [ 303.209889] [] filemap_fault+0xaf1/0x1110 [ 303.209898] [] ext4_filemap_fault+0x71/0xa0 [ 303.209905] [] __do_fault+0x223/0x500 [ 303.209912] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 303.209920] [] ? handle_mm_fault+0x1d4f/0x2350 [ 303.209928] [] handle_mm_fault+0x1326/0x2350 [ 303.209936] [] ? vm_insert_page+0x6f0/0x6f0 [ 303.209943] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 303.209953] [] __do_page_fault+0x403/0xa60 [ 303.209961] [] ? bad_area_access_error+0x3a0/0x3a0 [ 303.209972] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.209979] [] do_page_fault+0x27/0x30 [ 303.209988] [] page_fault+0x25/0x30 [ 303.209992] Mem-Info: [ 303.210010] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 303.210010] active_file:53 inactive_file:53 isolated_file:0 [ 303.210010] unevictable:0 dirty:0 writeback:0 unstable:0 [ 303.210010] slab_reclaimable:4477 slab_unreclaimable:56904 [ 303.210010] mapped:64 shmem:48 pagetables:332 bounce:0 [ 303.210010] free:5992 free_pcp:85 free_cma:0 [ 303.210025] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 303.210044] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 303.210073] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227532kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:220kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 303.210130] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 99*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 303.210187] 0 pages in swap cache [ 303.210191] Swap cache stats: add 0, delete 0, find 0/0 [ 303.210193] Free swap = 0kB [ 303.210195] Total swap = 0kB [ 303.210198] 1965979 pages RAM [ 303.210200] 0 pages HighMem/MovableOnly [ 303.210202] 313617 pages reserved [ 303.253866] rsyslogd: page allocation stalls for 40050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 303.253875] CPU: 0 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 303.253892] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 303.253903] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 303.253914] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 303.253916] Call Trace: [ 303.253932] [] dump_stack+0xc1/0x128 [ 303.253942] [] warn_alloc.cold.31+0x7f/0x9c [ 303.253952] [] ? zone_watermark_ok_safe+0x250/0x250 [ 303.253961] [] ? shrink_node+0x740/0x740 [ 303.253970] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 303.253979] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 303.253988] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 303.253997] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 303.254004] [] ? find_get_entry+0x11a/0x570 [ 303.254012] [] ? find_get_entry+0x141/0x570 [ 303.254019] [] ? page_cache_prev_hole+0x80/0x80 [ 303.254027] [] ? pagecache_get_page+0x131/0x710 [ 303.254035] [] filemap_fault+0xaf1/0x1110 [ 303.254044] [] ext4_filemap_fault+0x71/0xa0 [ 303.254052] [] __do_fault+0x223/0x500 [ 303.254059] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 303.254067] [] ? handle_mm_fault+0x1d4f/0x2350 [ 303.254075] [] handle_mm_fault+0x1326/0x2350 [ 303.254082] [] ? vm_insert_page+0x6f0/0x6f0 [ 303.254090] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 303.254099] [] __do_page_fault+0x403/0xa60 [ 303.254107] [] ? bad_area_access_error+0x3a0/0x3a0 [ 303.254118] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.254125] [] do_page_fault+0x27/0x30 [ 303.254134] [] page_fault+0x25/0x30 [ 303.254137] Mem-Info: [ 303.254156] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 303.254156] active_file:53 inactive_file:53 isolated_file:0 [ 303.254156] unevictable:0 dirty:0 writeback:0 unstable:0 [ 303.254156] slab_reclaimable:4477 slab_unreclaimable:56904 [ 303.254156] mapped:64 shmem:48 pagetables:332 bounce:0 [ 303.254156] free:5992 free_pcp:85 free_cma:0 [ 303.254169] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 303.254189] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 303.254217] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227532kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:220kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 303.254274] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 99*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 303.254323] 0 pages in swap cache [ 303.254328] Swap cache stats: add 0, delete 0, find 0/0 [ 303.254330] Free swap = 0kB [ 303.254332] Total swap = 0kB [ 303.254335] 1965979 pages RAM [ 303.254337] 0 pages HighMem/MovableOnly [ 303.254339] 313617 pages reserved [ 303.526174] rs:main Q:Reg: page allocation stalls for 40040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 303.526184] CPU: 1 PID: 1897 Comm: rs:main Q:Reg Not tainted 4.9.141+ #1 [ 303.526202] ffff8801d3bef7c0 ffffffff81b42e79 1ffff1003a77defa ffff8801d47ac740 [ 303.526212] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3bef908 [ 303.526223] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 303.526225] Call Trace: [ 303.526241] [] dump_stack+0xc1/0x128 [ 303.526251] [] warn_alloc.cold.31+0x7f/0x9c [ 303.526262] [] ? zone_watermark_ok_safe+0x250/0x250 [ 303.526271] [] ? shrink_node+0x740/0x740 [ 303.526280] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 303.526288] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 303.526298] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 303.526307] [] ? check_preemption_disabled+0x3b/0x200 [ 303.526315] [] ? find_get_entry+0x11a/0x570 [ 303.526323] [] ? find_get_entry+0x141/0x570 [ 303.526330] [] ? page_cache_prev_hole+0x80/0x80 [ 303.526339] [] ? autoremove_wake_function+0x40/0x40 [ 303.526347] [] ? pagecache_get_page+0x131/0x710 [ 303.526355] [] filemap_fault+0xaf1/0x1110 [ 303.526364] [] ext4_filemap_fault+0x71/0xa0 [ 303.526371] [] __do_fault+0x223/0x500 [ 303.526379] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 303.526387] [] ? handle_mm_fault+0x1d4f/0x2350 [ 303.526394] [] handle_mm_fault+0x1326/0x2350 [ 303.526402] [] ? vm_insert_page+0x6f0/0x6f0 [ 303.526411] [] ? selinux_file_permission+0x82/0x470 [ 303.526422] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 303.526429] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 303.526439] [] __do_page_fault+0x403/0xa60 [ 303.526447] [] ? bad_area_access_error+0x3a0/0x3a0 [ 303.526457] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.526464] [] do_page_fault+0x27/0x30 [ 303.526473] [] page_fault+0x25/0x30 [ 303.526477] Mem-Info: [ 303.526495] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 303.526495] active_file:53 inactive_file:53 isolated_file:0 [ 303.526495] unevictable:0 dirty:0 writeback:0 unstable:0 [ 303.526495] slab_reclaimable:4477 slab_unreclaimable:56905 [ 303.526495] mapped:64 shmem:48 pagetables:332 bounce:0 [ 303.526495] free:5992 free_pcp:85 free_cma:0 [ 303.526510] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 303.526530] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 303.526558] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227536kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:220kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 303.526615] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 99*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 303.526664] 0 pages in swap cache [ 303.526668] Swap cache stats: add 0, delete 0, find 0/0 [ 303.526670] Free swap = 0kB [ 303.526673] Total swap = 0kB [ 303.526676] 1965979 pages RAM [ 303.526678] 0 pages HighMem/MovableOnly [ 303.526680] 313617 pages reserved [ 303.721537] syz-executor922: page allocation stalls for 40040ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 303.721546] CPU: 1 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 303.721563] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 303.721573] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 303.721584] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 303.721586] Call Trace: [ 303.721602] [] dump_stack+0xc1/0x128 [ 303.721613] [] warn_alloc.cold.31+0x7f/0x9c [ 303.721623] [] ? zone_watermark_ok_safe+0x250/0x250 [ 303.721632] [] ? shrink_node+0x740/0x740 [ 303.721641] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 303.721650] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 303.721659] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 303.721666] [] ? quarantine_put+0xd9/0x180 [ 303.721674] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 303.721681] [] ? trace_hardirqs_on+0xd/0x10 [ 303.721692] [] ? anon_vma_prepare+0x62/0x3d0 [ 303.721699] [] wp_page_copy+0x150/0x12a0 [ 303.721707] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 303.721715] [] ? init_wait_entry+0x100/0x100 [ 303.721722] [] ? add_mm_counter_fast+0xc0/0xc0 [ 303.721729] [] ? do_wp_page+0x270/0x2010 [ 303.721736] [] do_wp_page+0x2ae/0x2010 [ 303.721744] [] ? kasan_slab_free+0x119/0x190 [ 303.721751] [] ? vm_normal_page+0x300/0x300 [ 303.721758] [] ? __lock_acquire+0x654/0x4a10 [ 303.721766] [] ? handle_mm_fault+0x481/0x2350 [ 303.721774] [] handle_mm_fault+0xfcb/0x2350 [ 303.721781] [] ? vm_insert_page+0x6f0/0x6f0 [ 303.721789] [] ? validate_mm+0x32e/0x580 [ 303.721796] [] ? memset+0x31/0x40 [ 303.721806] [] __do_page_fault+0x403/0xa60 [ 303.721814] [] ? bad_area_access_error+0x3a0/0x3a0 [ 303.721824] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.721831] [] do_page_fault+0x27/0x30 [ 303.721840] [] page_fault+0x25/0x30 [ 303.721844] Mem-Info: [ 303.721862] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 303.721862] active_file:53 inactive_file:53 isolated_file:0 [ 303.721862] unevictable:0 dirty:0 writeback:0 unstable:0 [ 303.721862] slab_reclaimable:4477 slab_unreclaimable:56905 [ 303.721862] mapped:64 shmem:48 pagetables:332 bounce:0 [ 303.721862] free:5992 free_pcp:85 free_cma:0 [ 303.721877] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 303.721896] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 303.721924] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227536kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:220kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 303.721978] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 99*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 303.722026] 0 pages in swap cache [ 303.722030] Swap cache stats: add 0, delete 0, find 0/0 [ 303.722033] Free swap = 0kB [ 303.722035] Total swap = 0kB [ 303.722037] 1965979 pages RAM [ 303.722039] 0 pages HighMem/MovableOnly [ 303.722042] 313617 pages reserved [ 303.895471] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 303.895471] to free 96kB on behalf of 'syz-executor922' (2247) because [ 303.895471] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 303.895471] Free memory is -13536kB above reserved [ 304.905404] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 304.905404] to free 96kB on behalf of 'syz-executor922' (2263) because [ 304.905404] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 304.905404] Free memory is -13536kB above reserved [ 305.638953] cron: page allocation stalls for 10040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 305.638962] CPU: 0 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 305.638980] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 305.638991] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 305.639001] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 305.639003] Call Trace: [ 305.639019] [] dump_stack+0xc1/0x128 [ 305.639029] [] warn_alloc.cold.31+0x7f/0x9c [ 305.639039] [] ? zone_watermark_ok_safe+0x250/0x250 [ 305.639048] [] ? shrink_node+0x740/0x740 [ 305.639058] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 305.639066] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 305.639075] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 305.639084] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 305.639092] [] ? find_get_entry+0x11a/0x570 [ 305.639100] [] ? find_get_entry+0x141/0x570 [ 305.639107] [] ? page_cache_prev_hole+0x80/0x80 [ 305.639114] [] ? pagecache_get_page+0x131/0x710 [ 305.639122] [] filemap_fault+0xaf1/0x1110 [ 305.639132] [] ext4_filemap_fault+0x71/0xa0 [ 305.639139] [] __do_fault+0x223/0x500 [ 305.639146] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 305.639155] [] ? generic_file_readonly_mmap+0x190/0x190 [ 305.639163] [] handle_mm_fault+0x1326/0x2350 [ 305.639170] [] ? vm_insert_page+0x6f0/0x6f0 [ 305.639179] [] ? hrtimer_nanosleep+0x38c/0x550 [ 305.639189] [] __do_page_fault+0x403/0xa60 [ 305.639197] [] ? bad_area_access_error+0x3a0/0x3a0 [ 305.639207] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.639214] [] do_page_fault+0x27/0x30 [ 305.639223] [] page_fault+0x25/0x30 [ 305.639226] Mem-Info: [ 305.639245] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 305.639245] active_file:53 inactive_file:53 isolated_file:0 [ 305.639245] unevictable:0 dirty:0 writeback:0 unstable:0 [ 305.639245] slab_reclaimable:4477 slab_unreclaimable:56905 [ 305.639245] mapped:64 shmem:48 pagetables:332 bounce:0 [ 305.639245] free:5992 free_pcp:85 free_cma:0 [ 305.639259] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 305.639279] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 305.639308] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227536kB kernel_stack:3680kB pagetables:1328kB bounce:0kB free_pcp:220kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 305.639364] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 99*8kB (MH) 64*16kB (MH) 26*32kB (MH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 305.639414] 0 pages in swap cache [ 305.639418] Swap cache stats: add 0, delete 0, find 0/0 [ 305.639420] Free swap = 0kB [ 305.639423] Total swap = 0kB [ 305.639425] 1965979 pages RAM [ 305.639427] 0 pages HighMem/MovableOnly [ 305.639430] 313617 pages reserved [ 305.915452] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 305.915452] to free 96kB on behalf of 'cron' (1951) because [ 305.915452] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 305.915452] Free memory is -13536kB above reserved [ 306.925473] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 306.925473] to free 96kB on behalf of 'syz-executor922' (2246) because [ 306.925473] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 306.925473] Free memory is -13536kB above reserved [ 307.935517] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 307.935517] to free 96kB on behalf of 'syz-executor922' (2241) because [ 307.935517] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 307.935517] Free memory is -13504kB above reserved [ 308.945419] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 308.945419] to free 96kB on behalf of 'syz-executor922' (2246) because [ 308.945419] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 308.945419] Free memory is -13504kB above reserved [ 308.945431] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 308.945431] to free 96kB on behalf of 'rsyslogd' (1900) because [ 308.945431] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 308.945431] Free memory is -13504kB above reserved [ 309.955417] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 309.955417] to free 96kB on behalf of 'syz-executor922' (2263) because [ 309.955417] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 309.955417] Free memory is -13504kB above reserved [ 309.955434] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 309.955434] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 309.955434] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 309.955434] Free memory is -13504kB above reserved [ 310.965403] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 310.965403] to free 96kB on behalf of 'syz-executor922' (2246) because [ 310.965403] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 310.965403] Free memory is -13504kB above reserved [ 310.965415] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 310.965415] to free 96kB on behalf of 'cron' (1951) because [ 310.965415] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 310.965415] Free memory is -13504kB above reserved [ 311.975402] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 311.975402] to free 96kB on behalf of 'syz-executor922' (2245) because [ 311.975402] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 311.975402] Free memory is -13512kB above reserved [ 312.985469] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 312.985469] to free 96kB on behalf of 'syz-executor922' (2260) because [ 312.985469] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 312.985469] Free memory is -13512kB above reserved [ 313.207037] init: page allocation stalls for 50030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 313.207047] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 313.207064] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 313.207074] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 313.207085] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 313.207086] Call Trace: [ 313.207103] [] dump_stack+0xc1/0x128 [ 313.207112] [] warn_alloc.cold.31+0x7f/0x9c [ 313.207124] [] ? zone_watermark_ok_safe+0x250/0x250 [ 313.207133] [] ? shrink_node+0x740/0x740 [ 313.207142] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 313.207151] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 313.207160] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 313.207170] [] ? check_preemption_disabled+0x3b/0x200 [ 313.207178] [] ? find_get_entry+0x11a/0x570 [ 313.207185] [] ? find_get_entry+0x141/0x570 [ 313.207192] [] ? page_cache_prev_hole+0x80/0x80 [ 313.207201] [] ? autoremove_wake_function+0x40/0x40 [ 313.207209] [] ? pagecache_get_page+0x131/0x710 [ 313.207217] [] filemap_fault+0xaf1/0x1110 [ 313.207226] [] ext4_filemap_fault+0x71/0xa0 [ 313.207233] [] __do_fault+0x223/0x500 [ 313.207240] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 313.207248] [] ? handle_mm_fault+0x1d4f/0x2350 [ 313.207256] [] handle_mm_fault+0x1326/0x2350 [ 313.207264] [] ? vm_insert_page+0x6f0/0x6f0 [ 313.207271] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 313.207281] [] __do_page_fault+0x403/0xa60 [ 313.207289] [] ? bad_area_access_error+0x3a0/0x3a0 [ 313.207299] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.207306] [] do_page_fault+0x27/0x30 [ 313.207315] [] page_fault+0x25/0x30 [ 313.207319] Mem-Info: [ 313.207337] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 313.207337] active_file:53 inactive_file:53 isolated_file:0 [ 313.207337] unevictable:0 dirty:0 writeback:0 unstable:0 [ 313.207337] slab_reclaimable:4477 slab_unreclaimable:56907 [ 313.207337] mapped:64 shmem:48 pagetables:332 bounce:0 [ 313.207337] free:5998 free_pcp:85 free_cma:0 [ 313.207351] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 313.207371] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 313.207399] Normal free:5340kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227544kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:220kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 313.207456] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 313.207505] 0 pages in swap cache [ 313.207510] Swap cache stats: add 0, delete 0, find 0/0 [ 313.207512] Free swap = 0kB [ 313.207514] Total swap = 0kB [ 313.207517] 1965979 pages RAM [ 313.207519] 0 pages HighMem/MovableOnly [ 313.207521] 313617 pages reserved [ 313.237350] rsyslogd: page allocation stalls for 50040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 313.237360] CPU: 1 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 313.237376] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 313.237387] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 313.237398] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 313.237400] Call Trace: [ 313.237415] [] dump_stack+0xc1/0x128 [ 313.237426] [] warn_alloc.cold.31+0x7f/0x9c [ 313.237436] [] ? zone_watermark_ok_safe+0x250/0x250 [ 313.237446] [] ? shrink_node+0x740/0x740 [ 313.237456] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 313.237464] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 313.237473] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 313.237482] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 313.237490] [] ? find_get_entry+0x11a/0x570 [ 313.237497] [] ? find_get_entry+0x141/0x570 [ 313.237505] [] ? page_cache_prev_hole+0x80/0x80 [ 313.237512] [] ? pagecache_get_page+0x131/0x710 [ 313.237521] [] filemap_fault+0xaf1/0x1110 [ 313.237530] [] ext4_filemap_fault+0x71/0xa0 [ 313.237537] [] __do_fault+0x223/0x500 [ 313.237544] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 313.237552] [] ? handle_mm_fault+0x1d4f/0x2350 [ 313.237560] [] handle_mm_fault+0x1326/0x2350 [ 313.237568] [] ? vm_insert_page+0x6f0/0x6f0 [ 313.237575] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 313.237585] [] __do_page_fault+0x403/0xa60 [ 313.237593] [] ? bad_area_access_error+0x3a0/0x3a0 [ 313.237603] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.237611] [] do_page_fault+0x27/0x30 [ 313.237619] [] page_fault+0x25/0x30 [ 313.237623] Mem-Info: [ 313.237642] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 313.237642] active_file:53 inactive_file:53 isolated_file:0 [ 313.237642] unevictable:0 dirty:0 writeback:0 unstable:0 [ 313.237642] slab_reclaimable:4477 slab_unreclaimable:56907 [ 313.237642] mapped:64 shmem:48 pagetables:332 bounce:0 [ 313.237642] free:5998 free_pcp:85 free_cma:0 ** 6 printk messages dropped ** [ 313.237805] Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB ** 51 printk messages dropped ** [ 313.495951] 154 total pagecache pages [ 313.495953] 0 pages in swap cache [ 313.495958] Swap cache stats: add 0, delete 0, find 0/0 [ 313.495960] Free swap = 0kB [ 313.495962] Total swap = 0kB [ 313.495965] 1965979 pages RAM [ 313.495967] 0 pages HighMem/MovableOnly [ 313.495969] 313617 pages reserved [ 313.685378] syz-executor922: page allocation stalls for 50010ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 313.685388] CPU: 0 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 313.685405] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 313.685415] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 313.685425] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 313.685427] Call Trace: [ 313.685443] [] dump_stack+0xc1/0x128 [ 313.685454] [] warn_alloc.cold.31+0x7f/0x9c [ 313.685464] [] ? zone_watermark_ok_safe+0x250/0x250 [ 313.685473] [] ? shrink_node+0x740/0x740 [ 313.685482] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 313.685491] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 313.685500] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 313.685507] [] ? quarantine_put+0xd9/0x180 [ 313.685516] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 313.685523] [] ? trace_hardirqs_on+0xd/0x10 [ 313.685534] [] ? anon_vma_prepare+0x62/0x3d0 [ 313.685541] [] wp_page_copy+0x150/0x12a0 [ 313.685549] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 313.685558] [] ? init_wait_entry+0x100/0x100 [ 313.685565] [] ? add_mm_counter_fast+0xc0/0xc0 [ 313.685572] [] ? do_wp_page+0x270/0x2010 [ 313.685579] [] do_wp_page+0x2ae/0x2010 [ 313.685586] [] ? kasan_slab_free+0x119/0x190 [ 313.685594] [] ? vm_normal_page+0x300/0x300 [ 313.685601] [] ? __lock_acquire+0x654/0x4a10 [ 313.685609] [] ? handle_mm_fault+0x481/0x2350 [ 313.685617] [] handle_mm_fault+0xfcb/0x2350 [ 313.685624] [] ? vm_insert_page+0x6f0/0x6f0 [ 313.685631] [] ? validate_mm+0x32e/0x580 [ 313.685638] [] ? memset+0x31/0x40 [ 313.685648] [] __do_page_fault+0x403/0xa60 [ 313.685656] [] ? bad_area_access_error+0x3a0/0x3a0 [ 313.685666] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.685681] [] do_page_fault+0x27/0x30 ** 18 printk messages dropped ** [ 313.995448] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 313.995448] to free 96kB on behalf of 'rsyslogd' (1900) because [ 313.995448] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 313.995448] Free memory is -13512kB above reserved [ 315.005463] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 315.005463] to free 96kB on behalf of 'syz-executor922' (2261) because [ 315.005463] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 315.005463] Free memory is -13512kB above reserved [ 315.005483] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 315.005483] to free 96kB on behalf of 'syz-executor922' (2245) because [ 315.005483] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 315.005483] Free memory is -13512kB above reserved [ 315.622811] cron: page allocation stalls for 20020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 315.622821] CPU: 1 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 315.622838] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 315.622848] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 315.622859] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 315.622861] Call Trace: [ 315.622877] [] dump_stack+0xc1/0x128 [ 315.622886] [] warn_alloc.cold.31+0x7f/0x9c [ 315.622896] [] ? zone_watermark_ok_safe+0x250/0x250 [ 315.622906] [] ? shrink_node+0x740/0x740 [ 315.622915] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 315.622923] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 315.622932] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 315.622941] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 315.622949] [] ? find_get_entry+0x11a/0x570 [ 315.622956] [] ? find_get_entry+0x141/0x570 [ 315.622963] [] ? page_cache_prev_hole+0x80/0x80 [ 315.622971] [] ? pagecache_get_page+0x131/0x710 [ 315.622979] [] filemap_fault+0xaf1/0x1110 [ 315.622989] [] ext4_filemap_fault+0x71/0xa0 [ 315.622996] [] __do_fault+0x223/0x500 [ 315.623003] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 315.623012] [] ? generic_file_readonly_mmap+0x190/0x190 [ 315.623019] [] handle_mm_fault+0x1326/0x2350 [ 315.623027] [] ? vm_insert_page+0x6f0/0x6f0 [ 315.623036] [] ? hrtimer_nanosleep+0x38c/0x550 [ 315.623046] [] __do_page_fault+0x403/0xa60 [ 315.623054] [] ? bad_area_access_error+0x3a0/0x3a0 [ 315.623064] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.623072] [] do_page_fault+0x27/0x30 [ 315.623080] [] page_fault+0x25/0x30 [ 315.623084] Mem-Info: [ 315.623103] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 315.623103] active_file:53 inactive_file:53 isolated_file:0 [ 315.623103] unevictable:0 dirty:0 writeback:0 unstable:0 [ 315.623103] slab_reclaimable:4477 slab_unreclaimable:56908 [ 315.623103] mapped:64 shmem:48 pagetables:332 bounce:0 [ 315.623103] free:5998 free_pcp:84 free_cma:0 [ 315.623117] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 315.623137] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 315.623166] Normal free:5340kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227548kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:216kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 315.623231] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 315.623280] 0 pages in swap cache [ 315.623284] Swap cache stats: add 0, delete 0, find 0/0 [ 315.623287] Free swap = 0kB [ 315.623289] Total swap = 0kB [ 315.623291] 1965979 pages RAM [ 315.623294] 0 pages HighMem/MovableOnly [ 315.623296] 313617 pages reserved [ 316.015423] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 316.015423] to free 96kB on behalf of 'syz-executor922' (2245) because [ 316.015423] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 316.015423] Free memory is -13512kB above reserved [ 316.015435] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 316.015435] to free 96kB on behalf of 'syz-executor922' (2261) because [ 316.015435] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 316.015435] Free memory is -13512kB above reserved [ 317.025412] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 317.025412] to free 96kB on behalf of 'syz-executor922' (2259) because [ 317.025412] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 317.025412] Free memory is -13512kB above reserved [ 317.025423] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 317.025423] to free 96kB on behalf of 'syz-executor922' (2246) because [ 317.025423] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 317.025423] Free memory is -13512kB above reserved [ 318.035400] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 318.035400] to free 96kB on behalf of 'syz-executor922' (2261) because [ 318.035400] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 318.035400] Free memory is -13512kB above reserved [ 318.035413] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 318.035413] to free 96kB on behalf of 'syz-executor922' (2259) because [ 318.035413] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 318.035413] Free memory is -13512kB above reserved [ 319.045443] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 319.045443] to free 96kB on behalf of 'syz-executor922' (2245) because [ 319.045443] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 319.045443] Free memory is -13512kB above reserved [ 320.055408] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 320.055408] to free 96kB on behalf of 'syz-executor922' (2241) because [ 320.055408] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 320.055408] Free memory is -13512kB above reserved [ 321.065458] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 321.065458] to free 96kB on behalf of 'syz-executor922' (2241) because [ 321.065458] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 321.065458] Free memory is -13512kB above reserved [ 322.075422] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 322.075422] to free 96kB on behalf of 'init' (1) because [ 322.075422] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 322.075422] Free memory is -13512kB above reserved [ 322.075435] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 322.075435] to free 96kB on behalf of 'syz-executor922' (2263) because [ 322.075435] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 322.075435] Free memory is -13512kB above reserved [ 323.085456] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 323.085456] to free 96kB on behalf of 'syz-executor922' (2246) because [ 323.085456] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 323.085456] Free memory is -13512kB above reserved [ 323.085472] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 323.085472] to free 96kB on behalf of 'syz-executor922' (2263) because [ 323.085472] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 323.085472] Free memory is -13512kB above reserved [ 323.187349] init: page allocation stalls for 60010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 323.187358] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 323.187375] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 323.187385] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 323.187396] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 323.187398] Call Trace: [ 323.187414] [] dump_stack+0xc1/0x128 [ 323.187424] [] warn_alloc.cold.31+0x7f/0x9c [ 323.187434] [] ? zone_watermark_ok_safe+0x250/0x250 [ 323.187443] [] ? shrink_node+0x740/0x740 [ 323.187452] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 323.187461] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 323.187471] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 323.187480] [] ? check_preemption_disabled+0x3b/0x200 [ 323.187488] [] ? find_get_entry+0x11a/0x570 [ 323.187495] [] ? find_get_entry+0x141/0x570 [ 323.187502] [] ? page_cache_prev_hole+0x80/0x80 [ 323.187511] [] ? autoremove_wake_function+0x40/0x40 [ 323.187519] [] ? pagecache_get_page+0x131/0x710 [ 323.187527] [] filemap_fault+0xaf1/0x1110 [ 323.187536] [] ext4_filemap_fault+0x71/0xa0 [ 323.187543] [] __do_fault+0x223/0x500 [ 323.187550] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 323.187558] [] ? handle_mm_fault+0x1d4f/0x2350 [ 323.187566] [] handle_mm_fault+0x1326/0x2350 [ 323.187573] [] ? vm_insert_page+0x6f0/0x6f0 [ 323.187581] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 323.187590] [] __do_page_fault+0x403/0xa60 [ 323.187598] [] ? bad_area_access_error+0x3a0/0x3a0 [ 323.187608] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.187616] [] do_page_fault+0x27/0x30 [ 323.187624] [] page_fault+0x25/0x30 [ 323.187628] Mem-Info: [ 323.187647] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 323.187647] active_file:53 inactive_file:53 isolated_file:0 [ 323.187647] unevictable:0 dirty:0 writeback:0 unstable:0 [ 323.187647] slab_reclaimable:4477 slab_unreclaimable:56908 [ 323.187647] mapped:64 shmem:48 pagetables:332 bounce:0 [ 323.187647] free:5998 free_pcp:84 free_cma:0 [ 323.187681] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 323.187701] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 48 printk messages dropped ** [ 323.207185] lowmem_reserve[]: 0 3505 3505 [ 323.207204] Normal free:5340kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227548kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:216kB local_pcp:100kB free_cma:0kB ** 51 printk messages dropped ** [ 323.545967] lowmem_reserve[]: 0 0 0 [ 323.546016] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 323.546066] 0 pages in swap cache [ 323.546070] Swap cache stats: add 0, delete 0, find 0/0 [ 323.546072] Free swap = 0kB [ 323.546074] Total swap = 0kB [ 323.546077] 1965979 pages RAM [ 323.546079] 0 pages HighMem/MovableOnly [ 323.546081] 313617 pages reserved [ 323.696956] syz-executor922: page allocation stalls for 60020ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 323.696965] CPU: 1 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 323.696981] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 323.696992] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 323.697002] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 323.697004] Call Trace: [ 323.697021] [] dump_stack+0xc1/0x128 [ 323.697031] [] warn_alloc.cold.31+0x7f/0x9c [ 323.697041] [] ? zone_watermark_ok_safe+0x250/0x250 [ 323.697052] [] ? shrink_node+0x740/0x740 [ 323.697061] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 323.697070] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 323.697079] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 323.697086] [] ? quarantine_put+0xd9/0x180 [ 323.697095] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 323.697102] [] ? trace_hardirqs_on+0xd/0x10 [ 323.697113] [] ? anon_vma_prepare+0x62/0x3d0 [ 323.697120] [] wp_page_copy+0x150/0x12a0 [ 323.697127] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 323.697136] [] ? init_wait_entry+0x100/0x100 [ 323.697143] [] ? add_mm_counter_fast+0xc0/0xc0 [ 323.697150] [] ? do_wp_page+0x270/0x2010 [ 323.697157] [] do_wp_page+0x2ae/0x2010 [ 323.697165] [] ? kasan_slab_free+0x119/0x190 [ 323.697172] [] ? vm_normal_page+0x300/0x300 [ 323.697187] [] ? __lock_acquire+0x654/0x4a10 [ 323.697195] [] ? handle_mm_fault+0x481/0x2350 [ 323.697202] [] handle_mm_fault+0xfcb/0x2350 [ 323.697210] [] ? vm_insert_page+0x6f0/0x6f0 ** 13 printk messages dropped ** [ 323.697359] lowmem_reserve[]: 0 0 0 [ 323.697408] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 323.697456] 0 pages in swap cache [ 323.697460] Swap cache stats: add 0, delete 0, find 0/0 [ 323.697463] Free swap = 0kB [ 323.697465] Total swap = 0kB [ 323.697467] 1965979 pages RAM [ 323.697470] 0 pages HighMem/MovableOnly [ 323.697472] 313617 pages reserved [ 324.095422] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 324.095422] to free 96kB on behalf of 'syz-executor922' (2245) because [ 324.095422] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 324.095422] Free memory is -13512kB above reserved [ 325.105459] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 325.105459] to free 96kB on behalf of 'syz-executor922' (2261) because [ 325.105459] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 325.105459] Free memory is -13512kB above reserved [ 325.677126] cron: page allocation stalls for 30080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 325.677135] CPU: 1 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 325.677152] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 325.677163] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 325.677174] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 325.677176] Call Trace: [ 325.677197] [] dump_stack+0xc1/0x128 [ 325.677207] [] warn_alloc.cold.31+0x7f/0x9c [ 325.677218] [] ? zone_watermark_ok_safe+0x250/0x250 [ 325.677227] [] ? shrink_node+0x740/0x740 [ 325.677236] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 325.677244] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 325.677254] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 325.677262] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 325.677270] [] ? find_get_entry+0x11a/0x570 [ 325.677278] [] ? find_get_entry+0x141/0x570 [ 325.677285] [] ? page_cache_prev_hole+0x80/0x80 [ 325.677293] [] ? pagecache_get_page+0x131/0x710 [ 325.677301] [] filemap_fault+0xaf1/0x1110 [ 325.677310] [] ext4_filemap_fault+0x71/0xa0 [ 325.677318] [] __do_fault+0x223/0x500 [ 325.677325] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 325.677333] [] ? generic_file_readonly_mmap+0x190/0x190 [ 325.677341] [] handle_mm_fault+0x1326/0x2350 [ 325.677349] [] ? vm_insert_page+0x6f0/0x6f0 [ 325.677357] [] ? hrtimer_nanosleep+0x38c/0x550 [ 325.677367] [] __do_page_fault+0x403/0xa60 [ 325.677375] [] ? bad_area_access_error+0x3a0/0x3a0 [ 325.677386] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.677393] [] do_page_fault+0x27/0x30 [ 325.677402] [] page_fault+0x25/0x30 [ 325.677406] Mem-Info: [ 325.677424] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 325.677424] active_file:53 inactive_file:53 isolated_file:0 [ 325.677424] unevictable:0 dirty:0 writeback:0 unstable:0 [ 325.677424] slab_reclaimable:4477 slab_unreclaimable:56908 [ 325.677424] mapped:64 shmem:48 pagetables:332 bounce:0 [ 325.677424] free:5998 free_pcp:84 free_cma:0 [ 325.677438] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 325.677459] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 325.677487] Normal free:5340kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227548kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:216kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 325.677544] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 325.677594] 0 pages in swap cache [ 325.677598] Swap cache stats: add 0, delete 0, find 0/0 [ 325.677601] Free swap = 0kB [ 325.677603] Total swap = 0kB [ 325.677605] 1965979 pages RAM [ 325.677608] 0 pages HighMem/MovableOnly [ 325.677610] 313617 pages reserved [ 326.115371] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 326.115371] to free 96kB on behalf of 'cron' (1951) because [ 326.115371] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 326.115371] Free memory is -13512kB above reserved [ 327.125407] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 327.125407] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 327.125407] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 327.125407] Free memory is -13512kB above reserved [ 328.135460] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 328.135460] to free 96kB on behalf of 'syz-executor922' (2246) because [ 328.135460] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 328.135460] Free memory is -13512kB above reserved [ 328.135475] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 328.135475] to free 96kB on behalf of 'syz-executor922' (2261) because [ 328.135475] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 328.135475] Free memory is -13512kB above reserved [ 329.145408] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 329.145408] to free 96kB on behalf of 'syz-executor922' (2247) because [ 329.145408] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 329.145408] Free memory is -13512kB above reserved [ 330.155407] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 330.155407] to free 96kB on behalf of 'syz-executor922' (2261) because [ 330.155407] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 330.155407] Free memory is -13512kB above reserved [ 330.155418] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 330.155418] to free 96kB on behalf of 'syz-executor922' (2246) because [ 330.155418] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 330.155418] Free memory is -13512kB above reserved [ 331.165474] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 331.165474] to free 96kB on behalf of 'syz-executor922' (2260) because [ 331.165474] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 331.165474] Free memory is -13512kB above reserved [ 331.165491] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 331.165491] to free 96kB on behalf of 'rsyslogd' (1900) because [ 331.165491] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 331.165491] Free memory is -13512kB above reserved [ 332.175442] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 332.175442] to free 96kB on behalf of 'syz-executor922' (2241) because [ 332.175442] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 332.175442] Free memory is -13512kB above reserved [ 333.185464] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 333.185464] to free 96kB on behalf of 'syz-executor922' (2260) because [ 333.185464] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 333.185464] Free memory is -13512kB above reserved [ 333.209529] rsyslogd: page allocation stalls for 70010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 333.209539] CPU: 1 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 333.209557] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 333.209568] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 333.209579] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 333.209581] Call Trace: [ 333.209597] [] dump_stack+0xc1/0x128 [ 333.209607] [] warn_alloc.cold.31+0x7f/0x9c [ 333.209617] [] ? zone_watermark_ok_safe+0x250/0x250 [ 333.209627] [] ? shrink_node+0x740/0x740 [ 333.209636] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 333.209645] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 333.209654] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 333.209663] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 333.209670] [] ? find_get_entry+0x11a/0x570 [ 333.209678] [] ? find_get_entry+0x141/0x570 [ 333.209685] [] ? page_cache_prev_hole+0x80/0x80 [ 333.209693] [] ? pagecache_get_page+0x131/0x710 [ 333.209701] [] filemap_fault+0xaf1/0x1110 [ 333.209710] [] ext4_filemap_fault+0x71/0xa0 [ 333.209718] [] __do_fault+0x223/0x500 [ 333.209725] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 333.209733] [] ? handle_mm_fault+0x1d4f/0x2350 [ 333.209741] [] handle_mm_fault+0x1326/0x2350 [ 333.209748] [] ? vm_insert_page+0x6f0/0x6f0 [ 333.209756] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 333.209766] [] __do_page_fault+0x403/0xa60 [ 333.209774] [] ? bad_area_access_error+0x3a0/0x3a0 [ 333.209784] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.209791] [] do_page_fault+0x27/0x30 [ 333.209800] [] page_fault+0x25/0x30 [ 333.209804] Mem-Info: [ 333.209823] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 333.209823] active_file:53 inactive_file:53 isolated_file:0 [ 333.209823] unevictable:0 dirty:0 writeback:0 unstable:0 [ 333.209823] slab_reclaimable:4477 slab_unreclaimable:56908 [ 333.209823] mapped:64 shmem:48 pagetables:332 bounce:0 [ 333.209823] free:5998 free_pcp:84 free_cma:0 [ 333.209837] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 333.209857] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 333.209885] Normal free:5340kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227548kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:216kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 333.209942] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB ** 44 printk messages dropped ** [ 333.257056] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 ** 1 printk messages dropped ** [ 333.257092] lowmem_reserve[]: 0 0 0 [ 333.257142] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB ** 49 printk messages dropped ** [ 333.527616] lowmem_reserve[]: 0 0 0 [ 333.527679] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 333.527734] 0 pages in swap cache [ 333.527738] Swap cache stats: add 0, delete 0, find 0/0 [ 333.527740] Free swap = 0kB [ 333.527742] Total swap = 0kB [ 333.527745] 1965979 pages RAM [ 333.527747] 0 pages HighMem/MovableOnly [ 333.527749] 313617 pages reserved [ 333.707238] syz-executor922: page allocation stalls for 70030ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 333.707248] CPU: 0 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 333.707264] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 333.707275] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 333.707285] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 333.707287] Call Trace: [ 333.707303] [] dump_stack+0xc1/0x128 [ 333.707313] [] warn_alloc.cold.31+0x7f/0x9c [ 333.707324] [] ? zone_watermark_ok_safe+0x250/0x250 [ 333.707333] [] ? shrink_node+0x740/0x740 [ 333.707342] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 333.707350] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 333.707360] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 333.707367] [] ? quarantine_put+0xd9/0x180 [ 333.707376] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 333.707383] [] ? trace_hardirqs_on+0xd/0x10 [ 333.707394] [] ? anon_vma_prepare+0x62/0x3d0 [ 333.707401] [] wp_page_copy+0x150/0x12a0 [ 333.707409] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 333.707417] [] ? init_wait_entry+0x100/0x100 [ 333.707424] [] ? add_mm_counter_fast+0xc0/0xc0 [ 333.707431] [] ? do_wp_page+0x270/0x2010 [ 333.707438] [] do_wp_page+0x2ae/0x2010 [ 333.707446] [] ? kasan_slab_free+0x119/0x190 [ 333.707453] [] ? vm_normal_page+0x300/0x300 [ 333.707460] [] ? __lock_acquire+0x654/0x4a10 [ 333.707468] [] ? handle_mm_fault+0x481/0x2350 ** 15 printk messages dropped ** [ 333.707632] lowmem_reserve[]: 0 0 0 [ 333.707701] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 333.707750] 0 pages in swap cache [ 333.707754] Swap cache stats: add 0, delete 0, find 0/0 [ 333.707756] Free swap = 0kB [ 333.707758] Total swap = 0kB [ 333.707761] 1965979 pages RAM [ 333.707763] 0 pages HighMem/MovableOnly [ 333.707765] 313617 pages reserved [ 334.195469] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 334.195469] to free 96kB on behalf of 'syz-executor922' (2108) because [ 334.195469] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 334.195469] Free memory is -13512kB above reserved [ 335.205446] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 335.205446] to free 96kB on behalf of 'syz-executor922' (2247) because [ 335.205446] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 335.205446] Free memory is -13512kB above reserved [ 335.617209] cron: page allocation stalls for 40010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 335.617218] CPU: 0 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 335.617235] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 335.617245] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 335.617254] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 335.617256] Call Trace: [ 335.617271] [] dump_stack+0xc1/0x128 [ 335.617281] [] warn_alloc.cold.31+0x7f/0x9c [ 335.617291] [] ? zone_watermark_ok_safe+0x250/0x250 [ 335.617299] [] ? shrink_node+0x740/0x740 [ 335.617308] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 335.617316] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 335.617325] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 335.617333] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 335.617340] [] ? find_get_entry+0x11a/0x570 [ 335.617347] [] ? find_get_entry+0x141/0x570 [ 335.617353] [] ? page_cache_prev_hole+0x80/0x80 [ 335.617361] [] ? pagecache_get_page+0x131/0x710 [ 335.617368] [] filemap_fault+0xaf1/0x1110 [ 335.617376] [] ext4_filemap_fault+0x71/0xa0 [ 335.617383] [] __do_fault+0x223/0x500 [ 335.617390] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 335.617398] [] ? generic_file_readonly_mmap+0x190/0x190 [ 335.617405] [] handle_mm_fault+0x1326/0x2350 [ 335.617412] [] ? vm_insert_page+0x6f0/0x6f0 [ 335.617420] [] ? hrtimer_nanosleep+0x38c/0x550 [ 335.617429] [] __do_page_fault+0x403/0xa60 [ 335.617437] [] ? bad_area_access_error+0x3a0/0x3a0 [ 335.617445] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.617452] [] do_page_fault+0x27/0x30 [ 335.617460] [] page_fault+0x25/0x30 [ 335.617464] Mem-Info: [ 335.617482] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 335.617482] active_file:53 inactive_file:53 isolated_file:0 [ 335.617482] unevictable:0 dirty:0 writeback:0 unstable:0 [ 335.617482] slab_reclaimable:4477 slab_unreclaimable:56908 [ 335.617482] mapped:64 shmem:48 pagetables:332 bounce:0 [ 335.617482] free:5998 free_pcp:84 free_cma:0 [ 335.617496] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 335.617515] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 335.617541] Normal free:5340kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227548kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:216kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 335.617595] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 335.617640] 0 pages in swap cache [ 335.617644] Swap cache stats: add 0, delete 0, find 0/0 [ 335.617646] Free swap = 0kB [ 335.617648] Total swap = 0kB [ 335.617651] 1965979 pages RAM [ 335.617653] 0 pages HighMem/MovableOnly [ 335.617655] 313617 pages reserved [ 336.215394] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 336.215394] to free 96kB on behalf of 'syz-executor922' (2246) because [ 336.215394] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 336.215394] Free memory is -13512kB above reserved [ 337.225394] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 337.225394] to free 96kB on behalf of 'syz-executor922' (2260) because [ 337.225394] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 337.225394] Free memory is -13512kB above reserved [ 338.235449] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 338.235449] to free 96kB on behalf of 'syz-executor922' (2241) because [ 338.235449] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 338.235449] Free memory is -13512kB above reserved [ 339.245462] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 339.245462] to free 96kB on behalf of 'rsyslogd' (1900) because [ 339.245462] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 339.245462] Free memory is -13512kB above reserved [ 340.255444] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 340.255444] to free 96kB on behalf of 'syz-executor922' (2255) because [ 340.255444] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 340.255444] Free memory is -13512kB above reserved [ 341.265420] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 341.265420] to free 96kB on behalf of 'cron' (1951) because [ 341.265420] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 341.265420] Free memory is -13512kB above reserved [ 342.275474] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 342.275474] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 342.275474] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 342.275474] Free memory is -13512kB above reserved [ 342.275494] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 342.275494] to free 96kB on behalf of 'rsyslogd' (1900) because [ 342.275494] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 342.275494] Free memory is -13512kB above reserved [ 343.212030] init: page allocation stalls for 80030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 343.212040] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 343.212056] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 343.212067] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 343.212077] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 343.212079] Call Trace: [ 343.212095] [] dump_stack+0xc1/0x128 [ 343.212105] [] warn_alloc.cold.31+0x7f/0x9c [ 343.212116] [] ? zone_watermark_ok_safe+0x250/0x250 [ 343.212125] [] ? shrink_node+0x740/0x740 [ 343.212134] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 343.212143] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 343.212152] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 343.212162] [] ? check_preemption_disabled+0x3b/0x200 [ 343.212169] [] ? find_get_entry+0x11a/0x570 [ 343.212177] [] ? find_get_entry+0x141/0x570 [ 343.212184] [] ? page_cache_prev_hole+0x80/0x80 [ 343.212193] [] ? autoremove_wake_function+0x40/0x40 [ 343.212201] [] ? pagecache_get_page+0x131/0x710 [ 343.212209] [] filemap_fault+0xaf1/0x1110 [ 343.212218] [] ext4_filemap_fault+0x71/0xa0 [ 343.212225] [] __do_fault+0x223/0x500 [ 343.212233] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 343.212240] [] ? handle_mm_fault+0x1d4f/0x2350 [ 343.212248] [] handle_mm_fault+0x1326/0x2350 [ 343.212256] [] ? vm_insert_page+0x6f0/0x6f0 [ 343.212263] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 343.212273] [] __do_page_fault+0x403/0xa60 [ 343.212281] [] ? bad_area_access_error+0x3a0/0x3a0 [ 343.212291] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.212298] [] do_page_fault+0x27/0x30 [ 343.212307] [] page_fault+0x25/0x30 [ 343.212311] Mem-Info: [ 343.212330] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 343.212330] active_file:53 inactive_file:53 isolated_file:0 [ 343.212330] unevictable:0 dirty:0 writeback:0 unstable:0 [ 343.212330] slab_reclaimable:4477 slab_unreclaimable:56908 [ 343.212330] mapped:64 shmem:48 pagetables:332 bounce:0 [ 343.212330] free:5998 free_pcp:84 free_cma:0 [ 343.212344] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 343.212364] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 343.212392] Normal free:5340kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227548kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:216kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 343.212450] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 343.212500] 0 pages in swap cache [ 343.212504] Swap cache stats: add 0, delete 0, find 0/0 [ 343.212506] Free swap = 0kB [ 343.212508] Total swap = 0kB [ 343.212511] 1965979 pages RAM [ 343.212513] 0 pages HighMem/MovableOnly [ 343.212515] 313617 pages reserved [ 343.216684] rsyslogd: page allocation stalls for 80020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 343.216692] CPU: 1 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 343.216706] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 343.216716] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 343.216727] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 343.216728] Call Trace: [ 343.216740] [] dump_stack+0xc1/0x128 [ 343.216749] [] warn_alloc.cold.31+0x7f/0x9c [ 343.216758] [] ? zone_watermark_ok_safe+0x250/0x250 [ 343.216767] [] ? shrink_node+0x740/0x740 [ 343.216776] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 26 printk messages dropped ** [ 343.217023] lowmem_reserve[]: 0 0 0 [ 343.217072] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB ** 49 printk messages dropped ** [ 343.512632] lowmem_reserve[]: 0 0 0 [ 343.512681] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 343.512739] 0 pages in swap cache [ 343.512744] Swap cache stats: add 0, delete 0, find 0/0 [ 343.512746] Free swap = 0kB [ 343.512748] Total swap = 0kB [ 343.512751] 1965979 pages RAM [ 343.512753] 0 pages HighMem/MovableOnly [ 343.512755] 313617 pages reserved [ 343.700952] syz-executor922: page allocation stalls for 80020ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 343.700961] CPU: 1 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 343.700979] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 343.700989] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 343.701000] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 343.701002] Call Trace: [ 343.701018] [] dump_stack+0xc1/0x128 [ 343.701028] [] warn_alloc.cold.31+0x7f/0x9c [ 343.701038] [] ? zone_watermark_ok_safe+0x250/0x250 [ 343.701047] [] ? shrink_node+0x740/0x740 [ 343.701057] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 343.701065] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 343.701074] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 343.701082] [] ? quarantine_put+0xd9/0x180 [ 343.701090] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 343.701097] [] ? trace_hardirqs_on+0xd/0x10 [ 343.701108] [] ? anon_vma_prepare+0x62/0x3d0 [ 343.701115] [] wp_page_copy+0x150/0x12a0 [ 343.701123] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 343.701131] [] ? init_wait_entry+0x100/0x100 [ 343.701138] [] ? add_mm_counter_fast+0xc0/0xc0 [ 343.701145] [] ? do_wp_page+0x270/0x2010 [ 343.701153] [] do_wp_page+0x2ae/0x2010 [ 343.701160] [] ? kasan_slab_free+0x119/0x190 [ 343.701167] [] ? vm_normal_page+0x300/0x300 [ 343.701174] [] ? __lock_acquire+0x654/0x4a10 [ 343.701182] [] ? handle_mm_fault+0x481/0x2350 [ 343.701197] [] handle_mm_fault+0xfcb/0x2350 [ 343.701205] [] ? vm_insert_page+0x6f0/0x6f0 [ 343.701213] [] ? validate_mm+0x32e/0x580 [ 343.701220] [] ? memset+0x31/0x40 ** 11 printk messages dropped ** [ 343.701356] lowmem_reserve[]: 0 0 0 [ 343.701404] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 343.701453] 0 pages in swap cache [ 343.701457] Swap cache stats: add 0, delete 0, find 0/0 [ 343.701459] Free swap = 0kB [ 343.701461] Total swap = 0kB [ 343.701464] 1965979 pages RAM [ 343.701466] 0 pages HighMem/MovableOnly [ 343.701468] 313617 pages reserved [ 344.295422] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 344.295422] to free 96kB on behalf of 'syz-executor922' (2261) because [ 344.295422] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 344.295422] Free memory is -13512kB above reserved [ 345.305459] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 345.305459] to free 96kB on behalf of 'syz-executor922' (2246) because [ 345.305459] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 345.305459] Free memory is -13512kB above reserved [ 345.666732] cron: page allocation stalls for 50070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 345.666741] CPU: 1 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 345.666758] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 345.666769] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 345.666779] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 345.666781] Call Trace: [ 345.666798] [] dump_stack+0xc1/0x128 [ 345.666808] [] warn_alloc.cold.31+0x7f/0x9c [ 345.666818] [] ? zone_watermark_ok_safe+0x250/0x250 [ 345.666828] [] ? shrink_node+0x740/0x740 [ 345.666837] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 345.666846] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 345.666855] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 345.666864] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 345.666872] [] ? find_get_entry+0x11a/0x570 [ 345.666879] [] ? find_get_entry+0x141/0x570 [ 345.666887] [] ? page_cache_prev_hole+0x80/0x80 [ 345.666895] [] ? pagecache_get_page+0x131/0x710 [ 345.666902] [] filemap_fault+0xaf1/0x1110 [ 345.666912] [] ext4_filemap_fault+0x71/0xa0 [ 345.666919] [] __do_fault+0x223/0x500 [ 345.666927] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 345.666935] [] ? generic_file_readonly_mmap+0x190/0x190 [ 345.666943] [] handle_mm_fault+0x1326/0x2350 [ 345.666950] [] ? vm_insert_page+0x6f0/0x6f0 [ 345.666959] [] ? hrtimer_nanosleep+0x38c/0x550 [ 345.666969] [] __do_page_fault+0x403/0xa60 [ 345.666977] [] ? bad_area_access_error+0x3a0/0x3a0 [ 345.666987] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.666995] [] do_page_fault+0x27/0x30 [ 345.667003] [] page_fault+0x25/0x30 [ 345.667007] Mem-Info: [ 345.667025] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 345.667025] active_file:53 inactive_file:53 isolated_file:0 [ 345.667025] unevictable:0 dirty:0 writeback:0 unstable:0 [ 345.667025] slab_reclaimable:4477 slab_unreclaimable:56908 [ 345.667025] mapped:64 shmem:48 pagetables:332 bounce:0 [ 345.667025] free:5998 free_pcp:84 free_cma:0 [ 345.667039] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 345.667059] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 345.667087] Normal free:5340kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227548kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:216kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 345.667145] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 345.667201] 0 pages in swap cache [ 345.667205] Swap cache stats: add 0, delete 0, find 0/0 [ 345.667207] Free swap = 0kB [ 345.667209] Total swap = 0kB [ 345.667212] 1965979 pages RAM [ 345.667214] 0 pages HighMem/MovableOnly [ 345.667217] 313617 pages reserved [ 346.315484] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 346.315484] to free 96kB on behalf of 'syz-executor922' (2263) because [ 346.315484] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 346.315484] Free memory is -13512kB above reserved [ 346.315496] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 346.315496] to free 96kB on behalf of 'syz-executor922' (2241) because [ 346.315496] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 346.315496] Free memory is -13512kB above reserved [ 347.325407] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 347.325407] to free 96kB on behalf of 'syz-executor922' (2255) because [ 347.325407] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 347.325407] Free memory is -13512kB above reserved [ 348.335471] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 348.335471] to free 96kB on behalf of 'syz-executor922' (2245) because [ 348.335471] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 348.335471] Free memory is -13512kB above reserved [ 349.345434] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 349.345434] to free 96kB on behalf of 'rsyslogd' (1900) because [ 349.345434] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 349.345434] Free memory is -13512kB above reserved [ 350.355405] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 350.355405] to free 96kB on behalf of 'rsyslogd' (1900) because [ 350.355405] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 350.355405] Free memory is -13512kB above reserved [ 350.355417] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 350.355417] to free 96kB on behalf of 'syz-executor922' (2260) because [ 350.355417] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 350.355417] Free memory is -13512kB above reserved [ 351.365463] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 351.365463] to free 96kB on behalf of 'syz-executor922' (2259) because [ 351.365463] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 351.365463] Free memory is -13512kB above reserved [ 351.365481] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 351.365481] to free 96kB on behalf of 'syz-executor922' (2263) because [ 351.365481] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 351.365481] Free memory is -13512kB above reserved [ 352.375437] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 352.375437] to free 96kB on behalf of 'syz-executor922' (2108) because [ 352.375437] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 352.375437] Free memory is -13512kB above reserved [ 353.240567] init: page allocation stalls for 90060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 353.240577] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 353.240595] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 353.240606] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 353.240616] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 353.240618] Call Trace: [ 353.240635] [] dump_stack+0xc1/0x128 [ 353.240645] [] warn_alloc.cold.31+0x7f/0x9c [ 353.240655] [] ? zone_watermark_ok_safe+0x250/0x250 [ 353.240664] [] ? shrink_node+0x740/0x740 [ 353.240673] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 353.240682] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 353.240691] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 353.240700] [] ? check_preemption_disabled+0x3b/0x200 [ 353.240707] [] ? find_get_entry+0x11a/0x570 [ 353.240715] [] ? find_get_entry+0x141/0x570 [ 353.240722] [] ? page_cache_prev_hole+0x80/0x80 [ 353.240731] [] ? autoremove_wake_function+0x40/0x40 [ 353.240739] [] ? pagecache_get_page+0x131/0x710 [ 353.240747] [] filemap_fault+0xaf1/0x1110 [ 353.240756] [] ext4_filemap_fault+0x71/0xa0 [ 353.240763] [] __do_fault+0x223/0x500 [ 353.240771] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 353.240779] [] ? handle_mm_fault+0x1d4f/0x2350 [ 353.240786] [] handle_mm_fault+0x1326/0x2350 [ 353.240794] [] ? vm_insert_page+0x6f0/0x6f0 [ 353.240802] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 353.240811] [] __do_page_fault+0x403/0xa60 [ 353.240819] [] ? bad_area_access_error+0x3a0/0x3a0 [ 353.240830] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.240837] [] do_page_fault+0x27/0x30 [ 353.240846] [] page_fault+0x25/0x30 [ 353.240850] Mem-Info: [ 353.240868] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 353.240868] active_file:53 inactive_file:53 isolated_file:0 [ 353.240868] unevictable:0 dirty:0 writeback:0 unstable:0 [ 353.240868] slab_reclaimable:4477 slab_unreclaimable:56908 [ 353.240868] mapped:64 shmem:48 pagetables:332 bounce:0 [ 353.240868] free:5998 free_pcp:84 free_cma:0 [ 353.240882] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 353.240902] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 353.240931] Normal free:5340kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227548kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:216kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 353.240989] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB ** 46 printk messages dropped ** [ 353.287136] lowmem_reserve[]: 0 0 0 [ 353.287185] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB ** 49 printk messages dropped ** [ 353.558077] lowmem_reserve[]: 0 0 0 [ 353.558127] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB ** 1 printk messages dropped ** [ 353.558174] 154 total pagecache pages [ 353.558176] 0 pages in swap cache [ 353.558181] Swap cache stats: add 0, delete 0, find 0/0 [ 353.558183] Free swap = 0kB [ 353.558185] Total swap = 0kB [ 353.558188] 1965979 pages RAM [ 353.558190] 0 pages HighMem/MovableOnly [ 353.558198] 313617 pages reserved [ 353.762567] syz-executor922: page allocation stalls for 90080ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 353.762576] CPU: 0 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 353.762593] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 353.762603] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 353.762614] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 353.762616] Call Trace: [ 353.762631] [] dump_stack+0xc1/0x128 [ 353.762642] [] warn_alloc.cold.31+0x7f/0x9c [ 353.762653] [] ? zone_watermark_ok_safe+0x250/0x250 [ 353.762661] [] ? shrink_node+0x740/0x740 [ 353.762671] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 353.762679] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 353.762688] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 353.762702] [] ? quarantine_put+0xd9/0x180 [ 353.762711] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 353.762718] [] ? trace_hardirqs_on+0xd/0x10 [ 353.762728] [] ? anon_vma_prepare+0x62/0x3d0 [ 353.762736] [] wp_page_copy+0x150/0x12a0 [ 353.762743] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 353.762752] [] ? init_wait_entry+0x100/0x100 [ 353.762759] [] ? add_mm_counter_fast+0xc0/0xc0 [ 353.762766] [] ? do_wp_page+0x270/0x2010 [ 353.762773] [] do_wp_page+0x2ae/0x2010 [ 353.762781] [] ? kasan_slab_free+0x119/0x190 [ 353.762788] [] ? vm_normal_page+0x300/0x300 [ 353.762795] [] ? __lock_acquire+0x654/0x4a10 [ 353.762803] [] ? handle_mm_fault+0x481/0x2350 [ 353.762811] [] handle_mm_fault+0xfcb/0x2350 [ 353.762818] [] ? vm_insert_page+0x6f0/0x6f0 [ 353.762825] [] ? validate_mm+0x32e/0x580 [ 353.762833] [] ? memset+0x31/0x40 [ 353.762842] [] __do_page_fault+0x403/0xa60 ** 12 printk messages dropped ** [ 353.763059] Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 353.763064] 0 pages in swap cache [ 353.763069] Swap cache stats: add 0, delete 0, find 0/0 [ 353.763071] Free swap = 0kB [ 353.763073] Total swap = 0kB [ 353.763075] 1965979 pages RAM [ 353.763078] 0 pages HighMem/MovableOnly [ 353.763080] 313617 pages reserved [ 354.395427] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 354.395427] to free 96kB on behalf of 'syz-executor922' (2241) because [ 354.395427] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 354.395427] Free memory is -13512kB above reserved [ 355.405469] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 355.405469] to free 96kB on behalf of 'syz-executor922' (2261) because [ 355.405469] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 355.405469] Free memory is -13512kB above reserved [ 355.405486] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 355.405486] to free 96kB on behalf of 'syz-executor922' (2247) because [ 355.405486] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 355.405486] Free memory is -13512kB above reserved [ 355.654611] cron: page allocation stalls for 60050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 355.654620] CPU: 0 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 355.654638] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 355.654649] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 355.654659] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 355.654661] Call Trace: [ 355.654677] [] dump_stack+0xc1/0x128 [ 355.654688] [] warn_alloc.cold.31+0x7f/0x9c [ 355.654705] [] ? zone_watermark_ok_safe+0x250/0x250 [ 355.654714] [] ? shrink_node+0x740/0x740 [ 355.654724] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 355.654732] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 355.654741] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 355.654750] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 355.654758] [] ? find_get_entry+0x11a/0x570 [ 355.654766] [] ? find_get_entry+0x141/0x570 [ 355.654773] [] ? page_cache_prev_hole+0x80/0x80 [ 355.654781] [] ? pagecache_get_page+0x131/0x710 [ 355.654789] [] filemap_fault+0xaf1/0x1110 [ 355.654798] [] ext4_filemap_fault+0x71/0xa0 [ 355.654805] [] __do_fault+0x223/0x500 [ 355.654812] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 355.654821] [] ? generic_file_readonly_mmap+0x190/0x190 [ 355.654828] [] handle_mm_fault+0x1326/0x2350 [ 355.654836] [] ? vm_insert_page+0x6f0/0x6f0 [ 355.654845] [] ? hrtimer_nanosleep+0x38c/0x550 [ 355.654855] [] __do_page_fault+0x403/0xa60 [ 355.654863] [] ? bad_area_access_error+0x3a0/0x3a0 [ 355.654873] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.654880] [] do_page_fault+0x27/0x30 [ 355.654889] [] page_fault+0x25/0x30 [ 355.654893] Mem-Info: [ 355.654911] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 355.654911] active_file:53 inactive_file:53 isolated_file:0 [ 355.654911] unevictable:0 dirty:0 writeback:0 unstable:0 [ 355.654911] slab_reclaimable:4477 slab_unreclaimable:56908 [ 355.654911] mapped:64 shmem:48 pagetables:332 bounce:0 [ 355.654911] free:5998 free_pcp:84 free_cma:0 [ 355.654925] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 355.654945] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 355.654973] Normal free:5340kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227548kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:216kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 355.655030] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 355.655079] 0 pages in swap cache [ 355.655084] Swap cache stats: add 0, delete 0, find 0/0 [ 355.655086] Free swap = 0kB [ 355.655088] Total swap = 0kB [ 355.655091] 1965979 pages RAM [ 355.655093] 0 pages HighMem/MovableOnly [ 355.655095] 313617 pages reserved [ 356.415443] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 356.415443] to free 96kB on behalf of 'syz-executor922' (2246) because [ 356.415443] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 356.415443] Free memory is -13512kB above reserved [ 357.425439] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 357.425439] to free 96kB on behalf of 'cron' (1951) because [ 357.425439] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 357.425439] Free memory is -13512kB above reserved [ 358.435457] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 358.435457] to free 96kB on behalf of 'syz-executor922' (2260) because [ 358.435457] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 358.435457] Free memory is -13512kB above reserved [ 359.445445] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 359.445445] to free 96kB on behalf of 'syz-executor922' (2255) because [ 359.445445] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 359.445445] Free memory is -13512kB above reserved [ 360.455448] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 360.455448] to free 96kB on behalf of 'syz-executor922' (2108) because [ 360.455448] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 360.455448] Free memory is -13512kB above reserved [ 361.486572] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 361.486572] to free 96kB on behalf of 'syz-executor922' (2255) because [ 361.486572] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 361.486572] Free memory is -13512kB above reserved [ 362.495462] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 362.495462] to free 96kB on behalf of 'syz-executor922' (2246) because [ 362.495462] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 362.495462] Free memory is -13512kB above reserved [ 363.201731] init: page allocation stalls for 100020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 363.201740] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 363.201758] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 363.201769] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 363.201779] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 363.201781] Call Trace: [ 363.201798] [] dump_stack+0xc1/0x128 [ 363.201808] [] warn_alloc.cold.31+0x7f/0x9c [ 363.201818] [] ? zone_watermark_ok_safe+0x250/0x250 [ 363.201827] [] ? shrink_node+0x740/0x740 [ 363.201837] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 363.201845] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 363.201855] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 363.201864] [] ? check_preemption_disabled+0x3b/0x200 [ 363.201872] [] ? find_get_entry+0x11a/0x570 [ 363.201879] [] ? find_get_entry+0x141/0x570 [ 363.201886] [] ? page_cache_prev_hole+0x80/0x80 [ 363.201895] [] ? autoremove_wake_function+0x40/0x40 [ 363.201903] [] ? pagecache_get_page+0x131/0x710 [ 363.201911] [] filemap_fault+0xaf1/0x1110 [ 363.201920] [] ext4_filemap_fault+0x71/0xa0 [ 363.201928] [] __do_fault+0x223/0x500 [ 363.201935] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 363.201943] [] ? handle_mm_fault+0x1d4f/0x2350 [ 363.201951] [] handle_mm_fault+0x1326/0x2350 [ 363.201958] [] ? vm_insert_page+0x6f0/0x6f0 [ 363.201966] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 363.201976] [] __do_page_fault+0x403/0xa60 [ 363.201984] [] ? bad_area_access_error+0x3a0/0x3a0 [ 363.201994] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.202001] [] do_page_fault+0x27/0x30 [ 363.202010] [] page_fault+0x25/0x30 [ 363.202014] Mem-Info: [ 363.202032] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 363.202032] active_file:53 inactive_file:53 isolated_file:0 [ 363.202032] unevictable:0 dirty:0 writeback:0 unstable:0 [ 363.202032] slab_reclaimable:4477 slab_unreclaimable:56908 [ 363.202032] mapped:64 shmem:48 pagetables:332 bounce:0 [ 363.202032] free:5998 free_pcp:83 free_cma:0 [ 363.202047] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 363.202066] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 363.202095] Normal free:5340kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227548kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:212kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 363.202152] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 363.202208] 0 pages in swap cache [ 363.202213] Swap cache stats: add 0, delete 0, find 0/0 [ 363.202215] Free swap = 0kB [ 363.202217] Total swap = 0kB [ 363.202220] 1965979 pages RAM [ 363.202222] 0 pages HighMem/MovableOnly [ 363.202224] 313617 pages reserved [ 363.235988] rsyslogd: page allocation stalls for 100040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 363.235997] CPU: 1 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 363.236014] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 363.236025] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 363.236035] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 363.236037] Call Trace: [ 363.236055] [] dump_stack+0xc1/0x128 [ 363.236065] [] warn_alloc.cold.31+0x7f/0x9c [ 363.236075] [] ? zone_watermark_ok_safe+0x250/0x250 [ 363.236084] [] ? shrink_node+0x740/0x740 [ 363.236094] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 363.236102] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 363.236112] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 363.236120] [] ? radix_tree_lookup_slot+0x85/0xc0 ** 28 printk messages dropped ** [ 363.236462] Swap cache stats: add 0, delete 0, find 0/0 [ 363.236464] Free swap = 0kB [ 363.236466] Total swap = 0kB [ 363.236469] 1965979 pages RAM [ 363.236471] 0 pages HighMem/MovableOnly ** 47 printk messages dropped ** [ 363.496075] Free swap = 0kB [ 363.496077] Total swap = 0kB [ 363.496080] 1965979 pages RAM [ 363.496082] 0 pages HighMem/MovableOnly [ 363.496084] 313617 pages reserved [ 363.505380] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 363.505380] to free 96kB on behalf of 'rsyslogd' (1900) because [ 363.505380] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 363.505380] Free memory is -13512kB above reserved [ 363.697335] syz-executor922: page allocation stalls for 100020ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 363.697345] CPU: 0 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 363.697361] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 363.697371] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 363.697382] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 363.697384] Call Trace: [ 363.697400] [] dump_stack+0xc1/0x128 [ 363.697410] [] warn_alloc.cold.31+0x7f/0x9c [ 363.697421] [] ? zone_watermark_ok_safe+0x250/0x250 [ 363.697429] [] ? shrink_node+0x740/0x740 [ 363.697439] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 363.697447] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 363.697456] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 363.697464] [] ? quarantine_put+0xd9/0x180 [ 363.697473] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 363.697480] [] ? trace_hardirqs_on+0xd/0x10 [ 363.697491] [] ? anon_vma_prepare+0x62/0x3d0 [ 363.697498] [] wp_page_copy+0x150/0x12a0 [ 363.697505] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 363.697514] [] ? init_wait_entry+0x100/0x100 [ 363.697521] [] ? add_mm_counter_fast+0xc0/0xc0 [ 363.697528] [] ? do_wp_page+0x270/0x2010 [ 363.697535] [] do_wp_page+0x2ae/0x2010 [ 363.697543] [] ? kasan_slab_free+0x119/0x190 [ 363.697550] [] ? vm_normal_page+0x300/0x300 [ 363.697557] [] ? __lock_acquire+0x654/0x4a10 [ 363.697565] [] ? handle_mm_fault+0x481/0x2350 [ 363.697573] [] handle_mm_fault+0xfcb/0x2350 [ 363.697580] [] ? vm_insert_page+0x6f0/0x6f0 [ 363.697587] [] ? validate_mm+0x32e/0x580 [ 363.697594] [] ? memset+0x31/0x40 [ 363.697604] [] __do_page_fault+0x403/0xa60 [ 363.697612] [] ? bad_area_access_error+0x3a0/0x3a0 [ 363.697622] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.697629] [] do_page_fault+0x27/0x30 [ 363.697638] [] page_fault+0x25/0x30 [ 363.697641] Mem-Info: [ 363.697660] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 363.697660] active_file:53 inactive_file:53 isolated_file:0 [ 363.697660] unevictable:0 dirty:0 writeback:0 unstable:0 [ 363.697660] slab_reclaimable:4477 slab_unreclaimable:56909 [ 363.697660] mapped:64 shmem:48 pagetables:332 bounce:0 [ 363.697660] free:5998 free_pcp:83 free_cma:0 ** 9 printk messages dropped ** [ 363.697837] Swap cache stats: add 0, delete 0, find 0/0 [ 363.697839] Free swap = 0kB [ 363.697841] Total swap = 0kB [ 363.697844] 1965979 pages RAM [ 363.697846] 0 pages HighMem/MovableOnly [ 363.697848] 313617 pages reserved [ 364.515414] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 364.515414] to free 96kB on behalf of 'syz-executor922' (2247) because [ 364.515414] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 364.515414] Free memory is -13512kB above reserved [ 364.515427] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 364.515427] to free 96kB on behalf of 'syz-executor922' (2261) because [ 364.515427] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 364.515427] Free memory is -13512kB above reserved [ 365.525383] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 365.525383] to free 96kB on behalf of 'syz-executor922' (2260) because [ 365.525383] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 365.525383] Free memory is -13512kB above reserved [ 365.632829] cron: page allocation stalls for 70030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 365.632838] CPU: 0 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 365.632857] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 365.632868] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 365.632878] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 365.632880] Call Trace: [ 365.632896] [] dump_stack+0xc1/0x128 [ 365.632906] [] warn_alloc.cold.31+0x7f/0x9c [ 365.632916] [] ? zone_watermark_ok_safe+0x250/0x250 [ 365.632925] [] ? shrink_node+0x740/0x740 [ 365.632934] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 365.632943] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 365.632952] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 365.632961] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 365.632968] [] ? find_get_entry+0x11a/0x570 [ 365.632976] [] ? find_get_entry+0x141/0x570 [ 365.632983] [] ? page_cache_prev_hole+0x80/0x80 [ 365.632991] [] ? pagecache_get_page+0x131/0x710 [ 365.632999] [] filemap_fault+0xaf1/0x1110 [ 365.633008] [] ext4_filemap_fault+0x71/0xa0 [ 365.633015] [] __do_fault+0x223/0x500 [ 365.633022] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 365.633031] [] ? generic_file_readonly_mmap+0x190/0x190 [ 365.633039] [] handle_mm_fault+0x1326/0x2350 [ 365.633046] [] ? vm_insert_page+0x6f0/0x6f0 [ 365.633055] [] ? hrtimer_nanosleep+0x38c/0x550 [ 365.633064] [] __do_page_fault+0x403/0xa60 [ 365.633072] [] ? bad_area_access_error+0x3a0/0x3a0 [ 365.633082] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.633089] [] do_page_fault+0x27/0x30 [ 365.633098] [] page_fault+0x25/0x30 [ 365.633102] Mem-Info: [ 365.633120] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 365.633120] active_file:53 inactive_file:53 isolated_file:0 [ 365.633120] unevictable:0 dirty:0 writeback:0 unstable:0 [ 365.633120] slab_reclaimable:4477 slab_unreclaimable:56909 [ 365.633120] mapped:64 shmem:48 pagetables:332 bounce:0 [ 365.633120] free:5998 free_pcp:83 free_cma:0 [ 365.633134] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 365.633154] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 365.633182] Normal free:5340kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227552kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:212kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 365.633238] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5340kB 154 total pagecache pages [ 365.633287] 0 pages in swap cache [ 365.633291] Swap cache stats: add 0, delete 0, find 0/0 [ 365.633293] Free swap = 0kB [ 365.633296] Total swap = 0kB [ 365.633298] 1965979 pages RAM [ 365.633300] 0 pages HighMem/MovableOnly [ 365.633303] 313617 pages reserved [ 366.539010] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 366.539010] to free 96kB on behalf of 'syz-executor922' (2247) because [ 366.539010] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 366.539010] Free memory is -13512kB above reserved [ 366.539022] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 366.539022] to free 96kB on behalf of 'syz-executor922' (2255) because [ 366.539022] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 366.539022] Free memory is -13512kB above reserved [ 367.545484] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 367.545484] to free 96kB on behalf of 'syz-executor922' (2241) because [ 367.545484] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 367.545484] Free memory is -13512kB above reserved [ 368.555466] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 368.555466] to free 96kB on behalf of 'syz-executor922' (2246) because [ 368.555466] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 368.555466] Free memory is -13520kB above reserved [ 368.555482] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 368.555482] to free 96kB on behalf of 'syz-executor922' (2255) because [ 368.555482] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 368.555482] Free memory is -13520kB above reserved [ 369.565419] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 369.565419] to free 96kB on behalf of 'syz-executor922' (2255) because [ 369.565419] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 369.565419] Free memory is -13520kB above reserved [ 370.575474] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 370.575474] to free 96kB on behalf of 'syz-executor922' (2108) because [ 370.575474] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 370.575474] Free memory is -13520kB above reserved [ 371.585385] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 371.585385] to free 96kB on behalf of 'syz-executor922' (2260) because [ 371.585385] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 371.585385] Free memory is -13520kB above reserved [ 372.595475] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 372.595475] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 372.595475] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 372.595475] Free memory is -13520kB above reserved [ 372.595492] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 372.595492] to free 96kB on behalf of 'syz-executor922' (2108) because [ 372.595492] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 372.595492] Free memory is -13520kB above reserved [ 373.227098] init: page allocation stalls for 110050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 373.227108] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 373.227125] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 373.227136] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 373.227146] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 373.227148] Call Trace: [ 373.227165] [] dump_stack+0xc1/0x128 [ 373.227175] [] warn_alloc.cold.31+0x7f/0x9c [ 373.227185] [] ? zone_watermark_ok_safe+0x250/0x250 [ 373.227194] [] ? shrink_node+0x740/0x740 [ 373.227203] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 373.227211] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 373.227220] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 373.227230] [] ? check_preemption_disabled+0x3b/0x200 [ 373.227237] [] ? find_get_entry+0x11a/0x570 [ 373.227245] [] ? find_get_entry+0x141/0x570 [ 373.227252] [] ? page_cache_prev_hole+0x80/0x80 [ 373.227261] [] ? autoremove_wake_function+0x40/0x40 [ 373.227268] [] ? pagecache_get_page+0x131/0x710 [ 373.227276] [] filemap_fault+0xaf1/0x1110 [ 373.227285] [] ext4_filemap_fault+0x71/0xa0 [ 373.227292] [] __do_fault+0x223/0x500 [ 373.227300] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 373.227307] [] ? handle_mm_fault+0x1d4f/0x2350 [ 373.227315] [] handle_mm_fault+0x1326/0x2350 [ 373.227323] [] ? vm_insert_page+0x6f0/0x6f0 [ 373.227330] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 373.227340] [] __do_page_fault+0x403/0xa60 [ 373.227348] [] ? bad_area_access_error+0x3a0/0x3a0 [ 373.227358] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.227365] [] do_page_fault+0x27/0x30 [ 373.227374] [] page_fault+0x25/0x30 [ 373.227378] Mem-Info: [ 373.227397] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 373.227397] active_file:53 inactive_file:53 isolated_file:0 [ 373.227397] unevictable:0 dirty:0 writeback:0 unstable:0 [ 373.227397] slab_reclaimable:4477 slab_unreclaimable:56911 [ 373.227397] mapped:64 shmem:48 pagetables:332 bounce:0 [ 373.227397] free:5996 free_pcp:83 free_cma:0 [ 373.227410] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 373.227430] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 373.227458] Normal free:5332kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227560kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:212kB local_pcp:96kB free_cma:0kB ** 2 printk messages dropped ** [ 373.227559] Normal: 187*4kB (MH) 97*8kB (M) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5332kB 154 total pagecache pages [ 373.227564] 0 pages in swap cache [ 373.227568] Swap cache stats: add 0, delete 0, find 0/0 ** 47 printk messages dropped ** [ 373.228820] Swap cache stats: add 0, delete 0, find 0/0 [ 373.228822] Free swap = 0kB [ 373.228824] Total swap = 0kB [ 373.228827] 1965979 pages RAM [ 373.228829] 0 pages HighMem/MovableOnly ** 47 printk messages dropped ** [ 373.541180] Free swap = 0kB [ 373.541182] Total swap = 0kB [ 373.541185] 1965979 pages RAM [ 373.541187] 0 pages HighMem/MovableOnly [ 373.541189] 313617 pages reserved [ 373.605403] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 373.605403] to free 96kB on behalf of 'syz-executor922' (2245) because [ 373.605403] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 373.605403] Free memory is -13520kB above reserved [ 373.712381] syz-executor922: page allocation stalls for 110030ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 373.712390] CPU: 1 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 373.712407] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 373.712418] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 373.712428] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 373.712430] Call Trace: [ 373.712446] [] dump_stack+0xc1/0x128 [ 373.712456] [] warn_alloc.cold.31+0x7f/0x9c [ 373.712467] [] ? zone_watermark_ok_safe+0x250/0x250 [ 373.712476] [] ? shrink_node+0x740/0x740 [ 373.712485] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 373.712494] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 373.712503] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 373.712510] [] ? quarantine_put+0xd9/0x180 [ 373.712519] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 373.712526] [] ? trace_hardirqs_on+0xd/0x10 [ 373.712537] [] ? anon_vma_prepare+0x62/0x3d0 [ 373.712544] [] wp_page_copy+0x150/0x12a0 [ 373.712552] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 373.712561] [] ? init_wait_entry+0x100/0x100 [ 373.712568] [] ? add_mm_counter_fast+0xc0/0xc0 [ 373.712575] [] ? do_wp_page+0x270/0x2010 [ 373.712582] [] do_wp_page+0x2ae/0x2010 [ 373.712590] [] ? kasan_slab_free+0x119/0x190 [ 373.712597] [] ? vm_normal_page+0x300/0x300 [ 373.712604] [] ? __lock_acquire+0x654/0x4a10 [ 373.712612] [] ? handle_mm_fault+0x481/0x2350 [ 373.712620] [] handle_mm_fault+0xfcb/0x2350 [ 373.712628] [] ? vm_insert_page+0x6f0/0x6f0 [ 373.712635] [] ? validate_mm+0x32e/0x580 [ 373.712643] [] ? memset+0x31/0x40 [ 373.712652] [] __do_page_fault+0x403/0xa60 [ 373.712660] [] ? bad_area_access_error+0x3a0/0x3a0 [ 373.712670] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.712678] [] do_page_fault+0x27/0x30 [ 373.712687] [] page_fault+0x25/0x30 ** 18 printk messages dropped ** [ 375.625402] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 375.625402] to free 96kB on behalf of 'syz-executor922' (2261) because [ 375.625402] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 375.625402] Free memory is -13520kB above reserved [ 375.637705] cron: page allocation stalls for 80040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 375.637715] CPU: 1 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 375.637732] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 375.637742] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 375.637753] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 375.637755] Call Trace: [ 375.637771] [] dump_stack+0xc1/0x128 [ 375.637781] [] warn_alloc.cold.31+0x7f/0x9c [ 375.637792] [] ? zone_watermark_ok_safe+0x250/0x250 [ 375.637801] [] ? shrink_node+0x740/0x740 [ 375.637810] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 375.637819] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 375.637828] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 375.637837] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 375.637844] [] ? find_get_entry+0x11a/0x570 [ 375.637852] [] ? find_get_entry+0x141/0x570 [ 375.637859] [] ? page_cache_prev_hole+0x80/0x80 [ 375.637867] [] ? pagecache_get_page+0x131/0x710 [ 375.637875] [] filemap_fault+0xaf1/0x1110 [ 375.637885] [] ext4_filemap_fault+0x71/0xa0 [ 375.637892] [] __do_fault+0x223/0x500 [ 375.637899] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 375.637908] [] ? generic_file_readonly_mmap+0x190/0x190 [ 375.637916] [] handle_mm_fault+0x1326/0x2350 [ 375.637924] [] ? vm_insert_page+0x6f0/0x6f0 [ 375.637932] [] ? hrtimer_nanosleep+0x38c/0x550 [ 375.637942] [] __do_page_fault+0x403/0xa60 [ 375.637950] [] ? bad_area_access_error+0x3a0/0x3a0 [ 375.637960] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.637968] [] do_page_fault+0x27/0x30 [ 375.637977] [] page_fault+0x25/0x30 [ 375.637981] Mem-Info: [ 375.637999] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 375.637999] active_file:53 inactive_file:53 isolated_file:0 [ 375.637999] unevictable:0 dirty:0 writeback:0 unstable:0 [ 375.637999] slab_reclaimable:4477 slab_unreclaimable:56911 [ 375.637999] mapped:64 shmem:48 pagetables:332 bounce:0 [ 375.637999] free:5996 free_pcp:83 free_cma:0 [ 375.638014] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 375.638033] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 375.638062] Normal free:5332kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227560kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:212kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 375.638119] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 97*8kB (M) 64*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5332kB 154 total pagecache pages [ 375.638169] 0 pages in swap cache [ 375.638173] Swap cache stats: add 0, delete 0, find 0/0 [ 375.638175] Free swap = 0kB [ 375.638177] Total swap = 0kB [ 375.638180] 1965979 pages RAM [ 375.638182] 0 pages HighMem/MovableOnly [ 375.638184] 313617 pages reserved [ 376.635463] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 376.635463] to free 96kB on behalf of 'syz-executor922' (2246) because [ 376.635463] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 376.635463] Free memory is -13520kB above reserved [ 376.635479] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 376.635479] to free 96kB on behalf of 'syz-executor922' (2263) because [ 376.635479] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 376.635479] Free memory is -13520kB above reserved [ 377.645398] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 377.645398] to free 96kB on behalf of 'syz-executor922' (2245) because [ 377.645398] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 377.645398] Free memory is -13520kB above reserved [ 378.655445] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 378.655445] to free 96kB on behalf of 'syz-executor922' (2259) because [ 378.655445] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 378.655445] Free memory is -13528kB above reserved [ 379.665519] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 379.665519] to free 96kB on behalf of 'init' (1) because [ 379.665519] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 379.665519] Free memory is -13528kB above reserved [ 380.675404] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 380.675404] to free 96kB on behalf of 'rsyslogd' (1900) because [ 380.675404] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 380.675404] Free memory is -13528kB above reserved [ 381.687847] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 381.687847] to free 96kB on behalf of 'syz-executor922' (2259) because [ 381.687847] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 381.687847] Free memory is -13528kB above reserved [ 381.687859] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 381.687859] to free 96kB on behalf of 'syz-executor922' (2255) because [ 381.687859] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 381.687859] Free memory is -13528kB above reserved [ 382.695461] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 382.695461] to free 96kB on behalf of 'syz-executor922' (2263) because [ 382.695461] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 382.695461] Free memory is -13528kB above reserved [ 383.185599] init: page allocation stalls for 120010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 383.185609] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 383.185625] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 383.185636] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 383.185646] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 383.185648] Call Trace: [ 383.185665] [] dump_stack+0xc1/0x128 [ 383.185675] [] warn_alloc.cold.31+0x7f/0x9c [ 383.185685] [] ? zone_watermark_ok_safe+0x250/0x250 [ 383.185694] [] ? shrink_node+0x740/0x740 [ 383.185703] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 383.185720] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 383.185729] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 383.185739] [] ? check_preemption_disabled+0x3b/0x200 [ 383.185746] [] ? find_get_entry+0x11a/0x570 [ 383.185754] [] ? find_get_entry+0x141/0x570 [ 383.185761] [] ? page_cache_prev_hole+0x80/0x80 [ 383.185770] [] ? autoremove_wake_function+0x40/0x40 [ 383.185778] [] ? pagecache_get_page+0x131/0x710 [ 383.185785] [] filemap_fault+0xaf1/0x1110 [ 383.185794] [] ext4_filemap_fault+0x71/0xa0 [ 383.185802] [] __do_fault+0x223/0x500 [ 383.185809] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 383.185816] [] ? handle_mm_fault+0x1d4f/0x2350 [ 383.185824] [] handle_mm_fault+0x1326/0x2350 [ 383.185831] [] ? vm_insert_page+0x6f0/0x6f0 [ 383.185839] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 383.185849] [] __do_page_fault+0x403/0xa60 [ 383.185857] [] ? bad_area_access_error+0x3a0/0x3a0 [ 383.185867] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.185874] [] do_page_fault+0x27/0x30 [ 383.185883] [] page_fault+0x25/0x30 [ 383.185886] Mem-Info: [ 383.185905] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 383.185905] active_file:53 inactive_file:53 isolated_file:0 [ 383.185905] unevictable:0 dirty:0 writeback:0 unstable:0 [ 383.185905] slab_reclaimable:4477 slab_unreclaimable:56913 [ 383.185905] mapped:64 shmem:48 pagetables:332 bounce:0 [ 383.185905] free:5994 free_pcp:83 free_cma:0 [ 383.185920] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 383.185939] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 383.185962] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227568kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:212kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 383.186016] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 383.186065] 0 pages in swap cache [ 383.186069] Swap cache stats: add 0, delete 0, find 0/0 [ 383.186071] Free swap = 0kB [ 383.186073] Total swap = 0kB [ 383.186076] 1965979 pages RAM [ 383.186078] 0 pages HighMem/MovableOnly [ 383.186080] 313617 pages reserved [ 383.264255] rsyslogd: page allocation stalls for 120060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 383.264265] CPU: 1 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 383.264282] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 383.264292] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 383.264303] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 383.264305] Call Trace: [ 383.264321] [] dump_stack+0xc1/0x128 [ 383.264330] [] warn_alloc.cold.31+0x7f/0x9c [ 383.264340] [] ? zone_watermark_ok_safe+0x250/0x250 [ 383.264349] [] ? shrink_node+0x740/0x740 [ 383.264358] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 383.264366] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 383.264376] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 383.264385] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 383.264392] [] ? find_get_entry+0x11a/0x570 [ 383.264400] [] ? find_get_entry+0x141/0x570 [ 383.264407] [] ? page_cache_prev_hole+0x80/0x80 [ 383.264415] [] ? pagecache_get_page+0x131/0x710 [ 383.264423] [] filemap_fault+0xaf1/0x1110 [ 383.264432] [] ext4_filemap_fault+0x71/0xa0 [ 383.264439] [] __do_fault+0x223/0x500 [ 383.264446] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 383.264454] [] ? handle_mm_fault+0x1d4f/0x2350 [ 383.264462] [] handle_mm_fault+0x1326/0x2350 [ 383.264470] [] ? vm_insert_page+0x6f0/0x6f0 [ 383.264477] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 383.264487] [] __do_page_fault+0x403/0xa60 ** 26 printk messages dropped ** [ 383.506988] Call Trace: [ 383.507004] [] dump_stack+0xc1/0x128 [ 383.507015] [] warn_alloc.cold.31+0x7f/0x9c [ 383.507025] [] ? zone_watermark_ok_safe+0x250/0x250 ** 45 printk messages dropped ** [ 383.737520] CPU: 1 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 383.737536] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 383.737547] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 383.737557] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 383.737559] Call Trace: [ 383.737575] [] dump_stack+0xc1/0x128 [ 383.737586] [] warn_alloc.cold.31+0x7f/0x9c [ 383.737596] [] ? zone_watermark_ok_safe+0x250/0x250 [ 383.737605] [] ? shrink_node+0x740/0x740 [ 383.737614] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 383.737623] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 383.737632] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 383.737640] [] ? quarantine_put+0xd9/0x180 [ 383.737648] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 383.737655] [] ? trace_hardirqs_on+0xd/0x10 [ 383.737666] [] ? anon_vma_prepare+0x62/0x3d0 [ 383.737674] [] wp_page_copy+0x150/0x12a0 [ 383.737681] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 383.737690] [] ? init_wait_entry+0x100/0x100 [ 383.737697] [] ? add_mm_counter_fast+0xc0/0xc0 [ 383.737704] [] ? do_wp_page+0x270/0x2010 [ 383.737710] [] do_wp_page+0x2ae/0x2010 [ 383.737717] [] ? kasan_slab_free+0x119/0x190 [ 383.737724] [] ? vm_normal_page+0x300/0x300 [ 383.737731] [] ? __lock_acquire+0x654/0x4a10 [ 383.737739] [] ? handle_mm_fault+0x481/0x2350 [ 383.737747] [] handle_mm_fault+0xfcb/0x2350 [ 383.737755] [] ? vm_insert_page+0x6f0/0x6f0 [ 383.737762] [] ? validate_mm+0x32e/0x580 [ 383.737769] [] ? memset+0x31/0x40 [ 383.737779] [] __do_page_fault+0x403/0xa60 [ 383.737787] [] ? bad_area_access_error+0x3a0/0x3a0 [ 383.737798] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.737805] [] do_page_fault+0x27/0x30 [ 383.737814] [] page_fault+0x25/0x30 [ 383.737818] Mem-Info: [ 383.737836] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 383.737836] active_file:53 inactive_file:53 isolated_file:0 [ 383.737836] unevictable:0 dirty:0 writeback:0 unstable:0 [ 383.737836] slab_reclaimable:4477 slab_unreclaimable:56914 [ 383.737836] mapped:64 shmem:48 pagetables:332 bounce:0 [ 383.737836] free:5994 free_pcp:82 free_cma:0 ** 16 printk messages dropped ** [ 385.636444] cron: page allocation stalls for 90040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 385.636454] CPU: 0 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 385.636470] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 385.636481] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 385.636492] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 385.636494] Call Trace: [ 385.636510] [] dump_stack+0xc1/0x128 [ 385.636520] [] warn_alloc.cold.31+0x7f/0x9c [ 385.636530] [] ? zone_watermark_ok_safe+0x250/0x250 [ 385.636539] [] ? shrink_node+0x740/0x740 [ 385.636548] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 385.636556] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 385.636566] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 385.636575] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 385.636582] [] ? find_get_entry+0x11a/0x570 [ 385.636590] [] ? find_get_entry+0x141/0x570 [ 385.636597] [] ? page_cache_prev_hole+0x80/0x80 [ 385.636605] [] ? pagecache_get_page+0x131/0x710 [ 385.636613] [] filemap_fault+0xaf1/0x1110 [ 385.636622] [] ext4_filemap_fault+0x71/0xa0 [ 385.636629] [] __do_fault+0x223/0x500 [ 385.636636] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 385.636645] [] ? generic_file_readonly_mmap+0x190/0x190 [ 385.636653] [] handle_mm_fault+0x1326/0x2350 [ 385.636660] [] ? vm_insert_page+0x6f0/0x6f0 [ 385.636669] [] ? hrtimer_nanosleep+0x38c/0x550 [ 385.636679] [] __do_page_fault+0x403/0xa60 [ 385.636686] [] ? bad_area_access_error+0x3a0/0x3a0 [ 385.636697] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.636704] [] do_page_fault+0x27/0x30 [ 385.636720] [] page_fault+0x25/0x30 [ 385.636723] Mem-Info: [ 385.636742] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 385.636742] active_file:53 inactive_file:53 isolated_file:0 [ 385.636742] unevictable:0 dirty:0 writeback:0 unstable:0 [ 385.636742] slab_reclaimable:4477 slab_unreclaimable:56914 [ 385.636742] mapped:64 shmem:48 pagetables:332 bounce:0 [ 385.636742] free:5994 free_pcp:82 free_cma:0 [ 385.636756] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 385.636776] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 385.636804] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227572kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:208kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 385.636861] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 385.636911] 0 pages in swap cache [ 385.636915] Swap cache stats: add 0, delete 0, find 0/0 [ 385.636917] Free swap = 0kB [ 385.636919] Total swap = 0kB [ 385.636922] 1965979 pages RAM [ 385.636924] 0 pages HighMem/MovableOnly [ 385.636926] 313617 pages reserved [ 385.725383] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 385.725383] to free 96kB on behalf of 'syz-executor922' (2260) because [ 385.725383] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 385.725383] Free memory is -13528kB above reserved [ 386.735462] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 386.735462] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 386.735462] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 386.735462] Free memory is -13528kB above reserved [ 387.750154] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 387.750154] to free 96kB on behalf of 'syz-executor922' (2263) because [ 387.750154] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 387.750154] Free memory is -13528kB above reserved [ 388.755448] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 388.755448] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 388.755448] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 388.755448] Free memory is -13528kB above reserved [ 389.765448] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 389.765448] to free 96kB on behalf of 'syz-executor922' (2261) because [ 389.765448] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 389.765448] Free memory is -13528kB above reserved [ 389.765468] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 389.765468] to free 96kB on behalf of 'syz-executor922' (2108) because [ 389.765468] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 389.765468] Free memory is -13528kB above reserved [ 390.775515] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 390.775515] to free 96kB on behalf of 'init' (1) because [ 390.775515] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 390.775515] Free memory is -13528kB above reserved [ 390.775531] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 390.775531] to free 96kB on behalf of 'syz-executor922' (2246) because [ 390.775531] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 390.775531] Free memory is -13528kB above reserved [ 391.785405] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 391.785405] to free 96kB on behalf of 'syz-executor922' (2246) because [ 391.785405] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 391.785405] Free memory is -13528kB above reserved [ 392.795422] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 392.795422] to free 96kB on behalf of 'syz-executor922' (2259) because [ 392.795422] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 392.795422] Free memory is -13528kB above reserved [ 393.207020] rsyslogd: page allocation stalls for 130010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 393.207029] CPU: 1 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 393.207046] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 393.207057] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 393.207067] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 393.207069] Call Trace: [ 393.207087] [] dump_stack+0xc1/0x128 [ 393.207098] [] warn_alloc.cold.31+0x7f/0x9c [ 393.207108] [] ? zone_watermark_ok_safe+0x250/0x250 [ 393.207117] [] ? shrink_node+0x740/0x740 [ 393.207126] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 393.207135] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 393.207144] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 393.207153] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 393.207161] [] ? find_get_entry+0x11a/0x570 [ 393.207169] [] ? find_get_entry+0x141/0x570 [ 393.207176] [] ? page_cache_prev_hole+0x80/0x80 [ 393.207184] [] ? pagecache_get_page+0x131/0x710 [ 393.207192] [] filemap_fault+0xaf1/0x1110 [ 393.207202] [] ext4_filemap_fault+0x71/0xa0 [ 393.207209] [] __do_fault+0x223/0x500 [ 393.207222] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 393.207230] [] ? handle_mm_fault+0x1d4f/0x2350 [ 393.207238] [] handle_mm_fault+0x1326/0x2350 [ 393.207246] [] ? vm_insert_page+0x6f0/0x6f0 [ 393.207254] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 393.207263] [] __do_page_fault+0x403/0xa60 [ 393.207271] [] ? bad_area_access_error+0x3a0/0x3a0 [ 393.207281] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.207288] [] do_page_fault+0x27/0x30 [ 393.207298] [] page_fault+0x25/0x30 [ 393.207301] Mem-Info: [ 393.207320] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 393.207320] active_file:53 inactive_file:53 isolated_file:0 [ 393.207320] unevictable:0 dirty:0 writeback:0 unstable:0 [ 393.207320] slab_reclaimable:4477 slab_unreclaimable:56915 [ 393.207320] mapped:64 shmem:48 pagetables:332 bounce:0 [ 393.207320] free:5994 free_pcp:81 free_cma:0 [ 393.207334] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 393.207354] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 393.207382] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 393.207440] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 393.207490] 0 pages in swap cache [ 393.207494] Swap cache stats: add 0, delete 0, find 0/0 [ 393.207496] Free swap = 0kB [ 393.207498] Total swap = 0kB [ 393.207501] 1965979 pages RAM [ 393.207503] 0 pages HighMem/MovableOnly [ 393.207505] 313617 pages reserved [ 393.239544] init: page allocation stalls for 130060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 393.239552] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 393.239568] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 393.239579] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 393.239589] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 393.239591] Call Trace: [ 393.239607] [] dump_stack+0xc1/0x128 [ 393.239617] [] warn_alloc.cold.31+0x7f/0x9c [ 393.239627] [] ? zone_watermark_ok_safe+0x250/0x250 [ 393.239636] [] ? shrink_node+0x740/0x740 [ 393.239645] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 393.239654] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 393.239663] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 393.239672] [] ? check_preemption_disabled+0x3b/0x200 [ 393.239680] [] ? find_get_entry+0x11a/0x570 [ 393.239688] [] ? find_get_entry+0x141/0x570 [ 393.239695] [] ? page_cache_prev_hole+0x80/0x80 [ 393.239704] [] ? autoremove_wake_function+0x40/0x40 [ 393.239712] [] ? pagecache_get_page+0x131/0x710 [ 393.239719] [] filemap_fault+0xaf1/0x1110 [ 393.239728] [] ext4_filemap_fault+0x71/0xa0 [ 393.239735] [] __do_fault+0x223/0x500 [ 393.239743] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 393.239751] [] ? handle_mm_fault+0x1d4f/0x2350 [ 393.239758] [] handle_mm_fault+0x1326/0x2350 ** 34 printk messages dropped ** [ 393.497239] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 393.497248] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 393.497257] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 393.497267] [] ? check_preemption_disabled+0x3b/0x200 ** 48 printk messages dropped ** [ 393.713567] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 393.713576] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 393.713584] [] ? quarantine_put+0xd9/0x180 [ 393.713593] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 393.713600] [] ? trace_hardirqs_on+0xd/0x10 [ 393.713610] [] ? anon_vma_prepare+0x62/0x3d0 [ 393.713618] [] wp_page_copy+0x150/0x12a0 [ 393.713625] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 393.713634] [] ? init_wait_entry+0x100/0x100 [ 393.713641] [] ? add_mm_counter_fast+0xc0/0xc0 [ 393.713648] [] ? do_wp_page+0x270/0x2010 [ 393.713655] [] do_wp_page+0x2ae/0x2010 [ 393.713662] [] ? kasan_slab_free+0x119/0x190 [ 393.713670] [] ? vm_normal_page+0x300/0x300 [ 393.713677] [] ? __lock_acquire+0x654/0x4a10 [ 393.713684] [] ? handle_mm_fault+0x481/0x2350 [ 393.713692] [] handle_mm_fault+0xfcb/0x2350 [ 393.713700] [] ? vm_insert_page+0x6f0/0x6f0 [ 393.713707] [] ? validate_mm+0x32e/0x580 [ 393.713714] [] ? memset+0x31/0x40 [ 393.713723] [] __do_page_fault+0x403/0xa60 [ 393.713731] [] ? bad_area_access_error+0x3a0/0x3a0 [ 393.713742] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.713749] [] do_page_fault+0x27/0x30 [ 393.713758] [] page_fault+0x25/0x30 [ 393.713761] Mem-Info: [ 393.713780] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 393.713780] active_file:53 inactive_file:53 isolated_file:0 [ 393.713780] unevictable:0 dirty:0 writeback:0 unstable:0 [ 393.713780] slab_reclaimable:4477 slab_unreclaimable:56915 [ 393.713780] mapped:64 shmem:48 pagetables:332 bounce:0 [ 393.713780] free:5994 free_pcp:81 free_cma:0 [ 393.713794] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 393.713814] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 20 printk messages dropped ** [ 395.632158] Call Trace: [ 395.632174] [] dump_stack+0xc1/0x128 [ 395.632184] [] warn_alloc.cold.31+0x7f/0x9c [ 395.632195] [] ? zone_watermark_ok_safe+0x250/0x250 [ 395.632204] [] ? shrink_node+0x740/0x740 [ 395.632222] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 395.632231] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 395.632240] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 395.632249] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 395.632257] [] ? find_get_entry+0x11a/0x570 [ 395.632265] [] ? find_get_entry+0x141/0x570 [ 395.632272] [] ? page_cache_prev_hole+0x80/0x80 [ 395.632280] [] ? pagecache_get_page+0x131/0x710 [ 395.632288] [] filemap_fault+0xaf1/0x1110 [ 395.632297] [] ext4_filemap_fault+0x71/0xa0 [ 395.632305] [] __do_fault+0x223/0x500 [ 395.632312] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 395.632320] [] ? generic_file_readonly_mmap+0x190/0x190 [ 395.632328] [] handle_mm_fault+0x1326/0x2350 [ 395.632336] [] ? vm_insert_page+0x6f0/0x6f0 [ 395.632345] [] ? hrtimer_nanosleep+0x38c/0x550 [ 395.632355] [] __do_page_fault+0x403/0xa60 [ 395.632363] [] ? bad_area_access_error+0x3a0/0x3a0 [ 395.632373] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.632381] [] do_page_fault+0x27/0x30 [ 395.632390] [] page_fault+0x25/0x30 [ 395.632393] Mem-Info: [ 395.632412] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 395.632412] active_file:53 inactive_file:53 isolated_file:0 [ 395.632412] unevictable:0 dirty:0 writeback:0 unstable:0 [ 395.632412] slab_reclaimable:4477 slab_unreclaimable:56915 [ 395.632412] mapped:64 shmem:48 pagetables:332 bounce:0 [ 395.632412] free:5994 free_pcp:81 free_cma:0 [ 395.632426] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 395.632446] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 395.632474] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 395.632532] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 395.632581] 0 pages in swap cache [ 395.632586] Swap cache stats: add 0, delete 0, find 0/0 [ 395.632588] Free swap = 0kB [ 395.632590] Total swap = 0kB [ 395.632592] 1965979 pages RAM [ 395.632595] 0 pages HighMem/MovableOnly [ 395.632597] 313617 pages reserved [ 395.825444] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 395.825444] to free 96kB on behalf of 'syz-executor922' (2247) because [ 395.825444] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 395.825444] Free memory is -13528kB above reserved [ 396.835456] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 396.835456] to free 96kB on behalf of 'cron' (1951) because [ 396.835456] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 396.835456] Free memory is -13528kB above reserved [ 397.845405] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 397.845405] to free 96kB on behalf of 'init' (1) because [ 397.845405] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 397.845405] Free memory is -13528kB above reserved [ 397.845418] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 397.845418] to free 96kB on behalf of 'syz-executor922' (2245) because [ 397.845418] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 397.845418] Free memory is -13528kB above reserved [ 398.855397] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 398.855397] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 398.855397] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 398.855397] Free memory is -13528kB above reserved [ 399.865433] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 399.865433] to free 96kB on behalf of 'syz-executor922' (2263) because [ 399.865433] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 399.865433] Free memory is -13528kB above reserved [ 399.865446] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 399.865446] to free 96kB on behalf of 'init' (1) because [ 399.865446] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 399.865446] Free memory is -13528kB above reserved [ 400.875454] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 400.875454] to free 96kB on behalf of 'syz-executor922' (2260) because [ 400.875454] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 400.875454] Free memory is -13528kB above reserved [ 401.885465] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 401.885465] to free 96kB on behalf of 'syz-executor922' (2108) because [ 401.885465] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 401.885465] Free memory is -13528kB above reserved [ 401.885483] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 401.885483] to free 96kB on behalf of 'cron' (1951) because [ 401.885483] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 401.885483] Free memory is -13528kB above reserved [ 402.895472] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 402.895472] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 402.895472] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 402.895472] Free memory is -13528kB above reserved [ 403.187573] init: page allocation stalls for 140010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 403.187583] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 403.187600] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 403.187611] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 403.187621] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 403.187623] Call Trace: [ 403.187639] [] dump_stack+0xc1/0x128 [ 403.187650] [] warn_alloc.cold.31+0x7f/0x9c [ 403.187660] [] ? zone_watermark_ok_safe+0x250/0x250 [ 403.187669] [] ? shrink_node+0x740/0x740 [ 403.187679] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 403.187687] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 403.187710] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 403.187725] [] ? check_preemption_disabled+0x3b/0x200 [ 403.187732] [] ? find_get_entry+0x11a/0x570 [ 403.187740] [] ? find_get_entry+0x141/0x570 [ 403.187747] [] ? page_cache_prev_hole+0x80/0x80 [ 403.187756] [] ? autoremove_wake_function+0x40/0x40 [ 403.187764] [] ? pagecache_get_page+0x131/0x710 [ 403.187772] [] filemap_fault+0xaf1/0x1110 [ 403.187781] [] ext4_filemap_fault+0x71/0xa0 [ 403.187789] [] __do_fault+0x223/0x500 [ 403.187796] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 403.187804] [] ? handle_mm_fault+0x1d4f/0x2350 [ 403.187812] [] handle_mm_fault+0x1326/0x2350 [ 403.187819] [] ? vm_insert_page+0x6f0/0x6f0 [ 403.187827] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 403.187836] [] __do_page_fault+0x403/0xa60 [ 403.187845] [] ? bad_area_access_error+0x3a0/0x3a0 [ 403.187856] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.187863] [] do_page_fault+0x27/0x30 [ 403.187872] [] page_fault+0x25/0x30 [ 403.187876] Mem-Info: [ 403.187895] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 403.187895] active_file:53 inactive_file:53 isolated_file:0 [ 403.187895] unevictable:0 dirty:0 writeback:0 unstable:0 [ 403.187895] slab_reclaimable:4477 slab_unreclaimable:56915 [ 403.187895] mapped:64 shmem:48 pagetables:332 bounce:0 [ 403.187895] free:5994 free_pcp:81 free_cma:0 [ 403.187909] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 403.187928] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 403.187956] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 403.188013] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 403.188063] 0 pages in swap cache [ 403.188067] Swap cache stats: add 0, delete 0, find 0/0 [ 403.188069] Free swap = 0kB [ 403.188071] Total swap = 0kB [ 403.188074] 1965979 pages RAM [ 403.188076] 0 pages HighMem/MovableOnly [ 403.188078] 313617 pages reserved [ 403.207384] rsyslogd: page allocation stalls for 140010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 403.207393] CPU: 0 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 403.207408] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 403.207419] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 403.207429] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 403.207431] Call Trace: [ 403.207447] [] dump_stack+0xc1/0x128 [ 403.207457] [] warn_alloc.cold.31+0x7f/0x9c [ 403.207467] [] ? zone_watermark_ok_safe+0x250/0x250 [ 403.207476] [] ? shrink_node+0x740/0x740 [ 403.207485] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 403.207494] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 403.207503] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 403.207512] [] ? radix_tree_lookup_slot+0x85/0xc0 ** 44 printk messages dropped ** [ 403.496393] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 403.496401] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 403.496410] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 403.496420] [] ? check_preemption_disabled+0x3b/0x200 ** 48 printk messages dropped ** [ 403.757445] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 403.757455] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 403.757462] [] ? quarantine_put+0xd9/0x180 [ 403.757471] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 403.757478] [] ? trace_hardirqs_on+0xd/0x10 [ 403.757489] [] ? anon_vma_prepare+0x62/0x3d0 [ 403.757496] [] wp_page_copy+0x150/0x12a0 [ 403.757503] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 403.757512] [] ? init_wait_entry+0x100/0x100 [ 403.757519] [] ? add_mm_counter_fast+0xc0/0xc0 [ 403.757526] [] ? do_wp_page+0x270/0x2010 [ 403.757533] [] do_wp_page+0x2ae/0x2010 [ 403.757540] [] ? kasan_slab_free+0x119/0x190 [ 403.757548] [] ? vm_normal_page+0x300/0x300 [ 403.757555] [] ? __lock_acquire+0x654/0x4a10 [ 403.757562] [] ? handle_mm_fault+0x481/0x2350 [ 403.757570] [] handle_mm_fault+0xfcb/0x2350 [ 403.757577] [] ? vm_insert_page+0x6f0/0x6f0 [ 403.757585] [] ? validate_mm+0x32e/0x580 [ 403.757592] [] ? memset+0x31/0x40 [ 403.757601] [] __do_page_fault+0x403/0xa60 [ 403.757609] [] ? bad_area_access_error+0x3a0/0x3a0 [ 403.757619] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.757627] [] do_page_fault+0x27/0x30 [ 403.757635] [] page_fault+0x25/0x30 [ 403.757639] Mem-Info: [ 403.757657] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 403.757657] active_file:53 inactive_file:53 isolated_file:0 [ 403.757657] unevictable:0 dirty:0 writeback:0 unstable:0 [ 403.757657] slab_reclaimable:4477 slab_unreclaimable:56915 [ 403.757657] mapped:64 shmem:48 pagetables:332 bounce:0 [ 403.757657] free:5994 free_pcp:81 free_cma:0 [ 403.757671] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 403.757691] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 403.757725] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB ** 20 printk messages dropped ** [ 405.646548] [] dump_stack+0xc1/0x128 [ 405.646558] [] warn_alloc.cold.31+0x7f/0x9c [ 405.646568] [] ? zone_watermark_ok_safe+0x250/0x250 [ 405.646577] [] ? shrink_node+0x740/0x740 [ 405.646586] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 405.646595] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 405.646604] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 405.646613] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 405.646621] [] ? find_get_entry+0x11a/0x570 [ 405.646628] [] ? find_get_entry+0x141/0x570 [ 405.646635] [] ? page_cache_prev_hole+0x80/0x80 [ 405.646643] [] ? pagecache_get_page+0x131/0x710 [ 405.646651] [] filemap_fault+0xaf1/0x1110 [ 405.646661] [] ext4_filemap_fault+0x71/0xa0 [ 405.646669] [] __do_fault+0x223/0x500 [ 405.646676] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 405.646684] [] ? generic_file_readonly_mmap+0x190/0x190 [ 405.646692] [] handle_mm_fault+0x1326/0x2350 [ 405.646700] [] ? vm_insert_page+0x6f0/0x6f0 [ 405.646708] [] ? hrtimer_nanosleep+0x38c/0x550 [ 405.646718] [] __do_page_fault+0x403/0xa60 [ 405.646734] [] ? bad_area_access_error+0x3a0/0x3a0 [ 405.646744] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.646751] [] do_page_fault+0x27/0x30 [ 405.646760] [] page_fault+0x25/0x30 [ 405.646763] Mem-Info: [ 405.646782] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 405.646782] active_file:53 inactive_file:53 isolated_file:0 [ 405.646782] unevictable:0 dirty:0 writeback:0 unstable:0 [ 405.646782] slab_reclaimable:4477 slab_unreclaimable:56915 [ 405.646782] mapped:64 shmem:48 pagetables:332 bounce:0 [ 405.646782] free:5994 free_pcp:81 free_cma:0 [ 405.646796] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 405.646816] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 405.646844] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 405.646901] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 405.646951] 0 pages in swap cache [ 405.646955] Swap cache stats: add 0, delete 0, find 0/0 [ 405.646957] Free swap = 0kB [ 405.646959] Total swap = 0kB [ 405.646962] 1965979 pages RAM [ 405.646964] 0 pages HighMem/MovableOnly [ 405.646966] 313617 pages reserved [ 405.925432] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 405.925432] to free 96kB on behalf of 'syz-executor922' (2261) because [ 405.925432] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 405.925432] Free memory is -13528kB above reserved [ 406.935415] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 406.935415] to free 96kB on behalf of 'syz-executor922' (2247) because [ 406.935415] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 406.935415] Free memory is -13528kB above reserved [ 406.935427] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 406.935427] to free 96kB on behalf of 'syz-executor922' (2261) because [ 406.935427] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 406.935427] Free memory is -13528kB above reserved [ 407.945472] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 407.945472] to free 96kB on behalf of 'cron' (1951) because [ 407.945472] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 407.945472] Free memory is -13528kB above reserved [ 408.968301] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 408.968301] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 408.968301] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 408.968301] Free memory is -13528kB above reserved [ 409.975415] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 409.975415] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 409.975415] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 409.975415] Free memory is -13528kB above reserved [ 410.985462] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 410.985462] to free 96kB on behalf of 'syz-executor922' (2241) because [ 410.985462] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 410.985462] Free memory is -13528kB above reserved [ 410.985476] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 410.985476] to free 96kB on behalf of 'syz-executor922' (2255) because [ 410.985476] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 410.985476] Free memory is -13528kB above reserved [ 411.995463] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 411.995463] to free 96kB on behalf of 'syz-executor922' (2255) because [ 411.995463] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 411.995463] Free memory is -13528kB above reserved [ 413.005490] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 413.005490] to free 96kB on behalf of 'syz-executor922' (2263) because [ 413.005490] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 413.005490] Free memory is -13528kB above reserved [ 413.187513] init: page allocation stalls for 150010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 413.187523] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 413.187540] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 413.187551] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 413.187562] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 413.187564] Call Trace: [ 413.187581] [] dump_stack+0xc1/0x128 [ 413.187591] [] warn_alloc.cold.31+0x7f/0x9c [ 413.187601] [] ? zone_watermark_ok_safe+0x250/0x250 [ 413.187610] [] ? shrink_node+0x740/0x740 [ 413.187619] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 413.187628] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 413.187637] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 413.187647] [] ? check_preemption_disabled+0x3b/0x200 [ 413.187654] [] ? find_get_entry+0x11a/0x570 [ 413.187662] [] ? find_get_entry+0x141/0x570 [ 413.187669] [] ? page_cache_prev_hole+0x80/0x80 [ 413.187678] [] ? autoremove_wake_function+0x40/0x40 [ 413.187686] [] ? pagecache_get_page+0x131/0x710 [ 413.187694] [] filemap_fault+0xaf1/0x1110 [ 413.187718] [] ext4_filemap_fault+0x71/0xa0 [ 413.187731] [] __do_fault+0x223/0x500 [ 413.187738] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 413.187746] [] ? handle_mm_fault+0x1d4f/0x2350 [ 413.187754] [] handle_mm_fault+0x1326/0x2350 [ 413.187761] [] ? vm_insert_page+0x6f0/0x6f0 [ 413.187769] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 413.187778] [] __do_page_fault+0x403/0xa60 [ 413.187786] [] ? bad_area_access_error+0x3a0/0x3a0 [ 413.187796] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.187803] [] do_page_fault+0x27/0x30 [ 413.187812] [] page_fault+0x25/0x30 [ 413.187816] Mem-Info: [ 413.187835] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 413.187835] active_file:53 inactive_file:53 isolated_file:0 [ 413.187835] unevictable:0 dirty:0 writeback:0 unstable:0 [ 413.187835] slab_reclaimable:4477 slab_unreclaimable:56915 [ 413.187835] mapped:64 shmem:48 pagetables:332 bounce:0 [ 413.187835] free:5994 free_pcp:81 free_cma:0 [ 413.187849] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 413.187869] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 413.187897] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 413.187954] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 413.188003] 0 pages in swap cache [ 413.188008] Swap cache stats: add 0, delete 0, find 0/0 [ 413.188010] Free swap = 0kB [ 413.188012] Total swap = 0kB [ 413.188014] 1965979 pages RAM [ 413.188017] 0 pages HighMem/MovableOnly [ 413.188019] 313617 pages reserved [ 413.230820] rsyslogd: page allocation stalls for 150030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 413.230829] CPU: 0 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 413.230845] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 413.230856] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 ** 47 printk messages dropped ** [ 413.540220] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3bef908 [ 413.540238] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 50 printk messages dropped ** [ 413.717068] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 413.717069] Call Trace: [ 413.717085] [] dump_stack+0xc1/0x128 [ 413.717096] [] warn_alloc.cold.31+0x7f/0x9c [ 413.717105] [] ? zone_watermark_ok_safe+0x250/0x250 [ 413.717114] [] ? shrink_node+0x740/0x740 [ 413.717123] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 413.717131] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 413.717140] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 413.717147] [] ? quarantine_put+0xd9/0x180 [ 413.717155] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 413.717161] [] ? trace_hardirqs_on+0xd/0x10 [ 413.717170] [] ? anon_vma_prepare+0x62/0x3d0 [ 413.717177] [] wp_page_copy+0x150/0x12a0 [ 413.717184] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 413.717191] [] ? init_wait_entry+0x100/0x100 [ 413.717198] [] ? add_mm_counter_fast+0xc0/0xc0 [ 413.717204] [] ? do_wp_page+0x270/0x2010 [ 413.717211] [] do_wp_page+0x2ae/0x2010 [ 413.717218] [] ? kasan_slab_free+0x119/0x190 [ 413.717225] [] ? vm_normal_page+0x300/0x300 [ 413.717231] [] ? __lock_acquire+0x654/0x4a10 [ 413.717239] [] ? handle_mm_fault+0x481/0x2350 [ 413.717246] [] handle_mm_fault+0xfcb/0x2350 [ 413.717253] [] ? vm_insert_page+0x6f0/0x6f0 [ 413.717260] [] ? validate_mm+0x32e/0x580 [ 413.717267] [] ? memset+0x31/0x40 [ 413.717276] [] __do_page_fault+0x403/0xa60 [ 413.717284] [] ? bad_area_access_error+0x3a0/0x3a0 [ 413.717293] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.717300] [] do_page_fault+0x27/0x30 [ 413.717308] [] page_fault+0x25/0x30 [ 413.717311] Mem-Info: [ 413.717328] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 413.717328] active_file:53 inactive_file:53 isolated_file:0 [ 413.717328] unevictable:0 dirty:0 writeback:0 unstable:0 [ 413.717328] slab_reclaimable:4477 slab_unreclaimable:56915 [ 413.717328] mapped:64 shmem:48 pagetables:332 bounce:0 [ 413.717328] free:5994 free_pcp:81 free_cma:0 ** 20 printk messages dropped ** [ 415.637055] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 415.637065] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 415.637067] Call Trace: [ 415.637083] [] dump_stack+0xc1/0x128 [ 415.637092] [] warn_alloc.cold.31+0x7f/0x9c [ 415.637102] [] ? zone_watermark_ok_safe+0x250/0x250 [ 415.637110] [] ? shrink_node+0x740/0x740 [ 415.637119] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 415.637127] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 415.637136] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 415.637145] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 415.637152] [] ? find_get_entry+0x11a/0x570 [ 415.637159] [] ? find_get_entry+0x141/0x570 [ 415.637166] [] ? page_cache_prev_hole+0x80/0x80 [ 415.637173] [] ? pagecache_get_page+0x131/0x710 [ 415.637180] [] filemap_fault+0xaf1/0x1110 [ 415.637189] [] ext4_filemap_fault+0x71/0xa0 [ 415.637196] [] __do_fault+0x223/0x500 [ 415.637203] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 415.637211] [] ? generic_file_readonly_mmap+0x190/0x190 [ 415.637218] [] handle_mm_fault+0x1326/0x2350 [ 415.637225] [] ? vm_insert_page+0x6f0/0x6f0 [ 415.637232] [] ? hrtimer_nanosleep+0x38c/0x550 [ 415.637241] [] __do_page_fault+0x403/0xa60 [ 415.637249] [] ? bad_area_access_error+0x3a0/0x3a0 [ 415.637259] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.637266] [] do_page_fault+0x27/0x30 [ 415.637274] [] page_fault+0x25/0x30 [ 415.637278] Mem-Info: [ 415.637295] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 415.637295] active_file:53 inactive_file:53 isolated_file:0 [ 415.637295] unevictable:0 dirty:0 writeback:0 unstable:0 [ 415.637295] slab_reclaimable:4477 slab_unreclaimable:56915 [ 415.637295] mapped:64 shmem:48 pagetables:332 bounce:0 [ 415.637295] free:5994 free_pcp:81 free_cma:0 [ 415.637309] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 415.637328] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 415.637354] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 415.637407] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 415.637453] 0 pages in swap cache [ 415.637458] Swap cache stats: add 0, delete 0, find 0/0 [ 415.637460] Free swap = 0kB [ 415.637462] Total swap = 0kB [ 415.637464] 1965979 pages RAM [ 415.637466] 0 pages HighMem/MovableOnly [ 415.637468] 313617 pages reserved [ 416.036358] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 416.036358] to free 96kB on behalf of 'syz-executor922' (2255) because [ 416.036358] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 416.036358] Free memory is -13528kB above reserved [ 417.045431] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 417.045431] to free 96kB on behalf of 'syz-executor922' (2245) because [ 417.045431] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 417.045431] Free memory is -13528kB above reserved [ 418.055418] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 418.055418] to free 96kB on behalf of 'syz-executor922' (2255) because [ 418.055418] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 418.055418] Free memory is -13528kB above reserved [ 418.055430] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 418.055430] to free 96kB on behalf of 'syz-executor922' (2261) because [ 418.055430] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 418.055430] Free memory is -13528kB above reserved [ 419.065476] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 419.065476] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 419.065476] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 419.065476] Free memory is -13528kB above reserved [ 419.065495] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 419.065495] to free 96kB on behalf of 'syz-executor922' (2260) because [ 419.065495] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 419.065495] Free memory is -13528kB above reserved [ 420.075449] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 420.075449] to free 96kB on behalf of 'syz-executor922' (2245) because [ 420.075449] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 420.075449] Free memory is -13528kB above reserved [ 421.085415] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 421.085415] to free 96kB on behalf of 'syz-executor922' (2255) because [ 421.085415] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 421.085415] Free memory is -13528kB above reserved [ 421.085427] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 421.085427] to free 96kB on behalf of 'syz-executor922' (2247) because [ 421.085427] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 421.085427] Free memory is -13528kB above reserved [ 422.095397] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 422.095397] to free 96kB on behalf of 'init' (1) because [ 422.095397] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 422.095397] Free memory is -13528kB above reserved [ 423.105437] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 423.105437] to free 96kB on behalf of 'syz-executor922' (2263) because [ 423.105437] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 423.105437] Free memory is -13528kB above reserved [ 423.105449] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 423.105449] to free 96kB on behalf of 'syz-executor922' (2255) because [ 423.105449] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 423.105449] Free memory is -13528kB above reserved [ 423.232152] init: page allocation stalls for 160050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 423.232162] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 423.232179] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 423.232190] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 423.232200] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 423.232202] Call Trace: [ 423.232218] [] dump_stack+0xc1/0x128 [ 423.232229] [] warn_alloc.cold.31+0x7f/0x9c [ 423.232239] [] ? zone_watermark_ok_safe+0x250/0x250 [ 423.232248] [] ? shrink_node+0x740/0x740 [ 423.232257] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 423.232265] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 423.232274] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 423.232284] [] ? check_preemption_disabled+0x3b/0x200 [ 423.232291] [] ? find_get_entry+0x11a/0x570 [ 423.232299] [] ? find_get_entry+0x141/0x570 [ 423.232306] [] ? page_cache_prev_hole+0x80/0x80 [ 423.232315] [] ? autoremove_wake_function+0x40/0x40 [ 423.232323] [] ? pagecache_get_page+0x131/0x710 [ 423.232331] [] filemap_fault+0xaf1/0x1110 [ 423.232340] [] ext4_filemap_fault+0x71/0xa0 [ 423.232347] [] __do_fault+0x223/0x500 [ 423.232354] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 423.232362] [] ? handle_mm_fault+0x1d4f/0x2350 [ 423.232370] [] handle_mm_fault+0x1326/0x2350 [ 423.232377] [] ? vm_insert_page+0x6f0/0x6f0 [ 423.232385] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 423.232394] [] __do_page_fault+0x403/0xa60 [ 423.232402] [] ? bad_area_access_error+0x3a0/0x3a0 [ 423.232412] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.232420] [] do_page_fault+0x27/0x30 [ 423.232428] [] page_fault+0x25/0x30 [ 423.232432] Mem-Info: [ 423.232450] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 423.232450] active_file:53 inactive_file:53 isolated_file:0 [ 423.232450] unevictable:0 dirty:0 writeback:0 unstable:0 [ 423.232450] slab_reclaimable:4477 slab_unreclaimable:56915 [ 423.232450] mapped:64 shmem:48 pagetables:332 bounce:0 [ 423.232450] free:5994 free_pcp:81 free_cma:0 [ 423.232464] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 423.232484] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 423.232512] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 423.232569] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages ** 1 printk messages dropped ** [ 423.232622] Swap cache stats: add 0, delete 0, find 0/0 [ 423.232625] Free swap = 0kB [ 423.232627] Total swap = 0kB [ 423.232629] 1965979 pages RAM [ 423.232631] 0 pages HighMem/MovableOnly [ 423.232634] 313617 pages reserved [ 423.291864] rsyslogd: page allocation stalls for 160090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 423.291873] CPU: 1 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 423.291890] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 ** 45 printk messages dropped ** [ 423.557317] rs:main Q:Reg: page allocation stalls for 160070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 54 printk messages dropped ** [ 423.716169] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 423.716171] Call Trace: [ 423.716188] [] dump_stack+0xc1/0x128 [ 423.716197] [] warn_alloc.cold.31+0x7f/0x9c [ 423.716207] [] ? zone_watermark_ok_safe+0x250/0x250 [ 423.716216] [] ? shrink_node+0x740/0x740 [ 423.716226] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 423.716234] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 423.716244] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 423.716251] [] ? quarantine_put+0xd9/0x180 [ 423.716260] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 423.716267] [] ? trace_hardirqs_on+0xd/0x10 [ 423.716277] [] ? anon_vma_prepare+0x62/0x3d0 [ 423.716285] [] wp_page_copy+0x150/0x12a0 [ 423.716292] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 423.716300] [] ? init_wait_entry+0x100/0x100 [ 423.716308] [] ? add_mm_counter_fast+0xc0/0xc0 [ 423.716314] [] ? do_wp_page+0x270/0x2010 [ 423.716322] [] do_wp_page+0x2ae/0x2010 [ 423.716329] [] ? kasan_slab_free+0x119/0x190 [ 423.716336] [] ? vm_normal_page+0x300/0x300 [ 423.716344] [] ? __lock_acquire+0x654/0x4a10 [ 423.716351] [] ? handle_mm_fault+0x481/0x2350 [ 423.716359] [] handle_mm_fault+0xfcb/0x2350 [ 423.716367] [] ? vm_insert_page+0x6f0/0x6f0 [ 423.716374] [] ? validate_mm+0x32e/0x580 [ 423.716381] [] ? memset+0x31/0x40 [ 423.716390] [] __do_page_fault+0x403/0xa60 [ 423.716398] [] ? bad_area_access_error+0x3a0/0x3a0 [ 423.716409] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.716416] [] do_page_fault+0x27/0x30 [ 423.716425] [] page_fault+0x25/0x30 [ 423.716428] Mem-Info: [ 423.716447] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 423.716447] active_file:53 inactive_file:53 isolated_file:0 [ 423.716447] unevictable:0 dirty:0 writeback:0 unstable:0 [ 423.716447] slab_reclaimable:4477 slab_unreclaimable:56915 [ 423.716447] mapped:64 shmem:48 pagetables:332 bounce:0 [ 423.716447] free:5994 free_pcp:81 free_cma:0 [ 423.716461] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 423.716480] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 423.716508] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB ** 14 printk messages dropped ** [ 425.125496] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 425.125496] to free 96kB on behalf of 'cron' (1951) because [ 425.125496] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 425.125496] Free memory is -13528kB above reserved [ 425.646112] cron: page allocation stalls for 130050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 425.646122] CPU: 1 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 425.646139] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 425.646150] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 425.646161] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 425.646163] Call Trace: [ 425.646180] [] dump_stack+0xc1/0x128 [ 425.646190] [] warn_alloc.cold.31+0x7f/0x9c [ 425.646200] [] ? zone_watermark_ok_safe+0x250/0x250 [ 425.646209] [] ? shrink_node+0x740/0x740 [ 425.646219] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 425.646227] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 425.646244] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 425.646253] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 425.646261] [] ? find_get_entry+0x11a/0x570 [ 425.646269] [] ? find_get_entry+0x141/0x570 [ 425.646276] [] ? page_cache_prev_hole+0x80/0x80 [ 425.646284] [] ? pagecache_get_page+0x131/0x710 [ 425.646292] [] filemap_fault+0xaf1/0x1110 [ 425.646301] [] ext4_filemap_fault+0x71/0xa0 [ 425.646309] [] __do_fault+0x223/0x500 [ 425.646316] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 425.646325] [] ? generic_file_readonly_mmap+0x190/0x190 [ 425.646333] [] handle_mm_fault+0x1326/0x2350 [ 425.646340] [] ? vm_insert_page+0x6f0/0x6f0 [ 425.646349] [] ? hrtimer_nanosleep+0x38c/0x550 [ 425.646359] [] __do_page_fault+0x403/0xa60 [ 425.646367] [] ? bad_area_access_error+0x3a0/0x3a0 [ 425.646378] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.646385] [] do_page_fault+0x27/0x30 [ 425.646394] [] page_fault+0x25/0x30 [ 425.646397] Mem-Info: [ 425.646416] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 425.646416] active_file:53 inactive_file:53 isolated_file:0 [ 425.646416] unevictable:0 dirty:0 writeback:0 unstable:0 [ 425.646416] slab_reclaimable:4477 slab_unreclaimable:56915 [ 425.646416] mapped:64 shmem:48 pagetables:332 bounce:0 [ 425.646416] free:5994 free_pcp:81 free_cma:0 [ 425.646430] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 425.646449] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 425.646478] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 425.646535] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 425.646585] 0 pages in swap cache [ 425.646589] Swap cache stats: add 0, delete 0, find 0/0 [ 425.646591] Free swap = 0kB [ 425.646594] Total swap = 0kB [ 425.646596] 1965979 pages RAM [ 425.646598] 0 pages HighMem/MovableOnly [ 425.646600] 313617 pages reserved [ 426.135418] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 426.135418] to free 96kB on behalf of 'syz-executor922' (2241) because [ 426.135418] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 426.135418] Free memory is -13528kB above reserved [ 427.145502] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 427.145502] to free 96kB on behalf of 'init' (1) because [ 427.145502] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 427.145502] Free memory is -13528kB above reserved [ 427.145518] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 427.145518] to free 96kB on behalf of 'rsyslogd' (1900) because [ 427.145518] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 427.145518] Free memory is -13528kB above reserved [ 428.155439] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 428.155439] to free 96kB on behalf of 'syz-executor922' (2255) because [ 428.155439] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 428.155439] Free memory is -13528kB above reserved [ 428.155453] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 428.155453] to free 96kB on behalf of 'syz-executor922' (2261) because [ 428.155453] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 428.155453] Free memory is -13528kB above reserved [ 429.165411] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 429.165411] to free 96kB on behalf of 'init' (1) because [ 429.165411] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 429.165411] Free memory is -13528kB above reserved [ 430.178108] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 430.178108] to free 96kB on behalf of 'syz-executor922' (2260) because [ 430.178108] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 430.178108] Free memory is -13528kB above reserved [ 431.185497] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 431.185497] to free 96kB on behalf of 'syz-executor922' (2255) because [ 431.185497] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 431.185497] Free memory is -13528kB above reserved [ 431.185516] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 431.185516] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 431.185516] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 431.185516] Free memory is -13528kB above reserved [ 432.195436] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 432.195436] to free 96kB on behalf of 'syz-executor922' (2261) because [ 432.195436] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 432.195436] Free memory is -13528kB above reserved [ 433.187861] init: page allocation stalls for 170010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 433.187870] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 433.187887] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 433.187897] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 433.187908] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 433.187910] Call Trace: [ 433.187926] [] dump_stack+0xc1/0x128 [ 433.187937] [] warn_alloc.cold.31+0x7f/0x9c [ 433.187947] [] ? zone_watermark_ok_safe+0x250/0x250 [ 433.187956] [] ? shrink_node+0x740/0x740 [ 433.187965] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 433.187973] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 433.187982] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 433.187992] [] ? check_preemption_disabled+0x3b/0x200 [ 433.188000] [] ? find_get_entry+0x11a/0x570 [ 433.188008] [] ? find_get_entry+0x141/0x570 [ 433.188015] [] ? page_cache_prev_hole+0x80/0x80 [ 433.188024] [] ? autoremove_wake_function+0x40/0x40 [ 433.188031] [] ? pagecache_get_page+0x131/0x710 [ 433.188040] [] filemap_fault+0xaf1/0x1110 [ 433.188049] [] ext4_filemap_fault+0x71/0xa0 [ 433.188056] [] __do_fault+0x223/0x500 [ 433.188063] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 433.188071] [] ? handle_mm_fault+0x1d4f/0x2350 [ 433.188079] [] handle_mm_fault+0x1326/0x2350 [ 433.188087] [] ? vm_insert_page+0x6f0/0x6f0 [ 433.188095] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 433.188104] [] __do_page_fault+0x403/0xa60 [ 433.188112] [] ? bad_area_access_error+0x3a0/0x3a0 [ 433.188123] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.188130] [] do_page_fault+0x27/0x30 [ 433.188139] [] page_fault+0x25/0x30 [ 433.188142] Mem-Info: [ 433.188161] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 433.188161] active_file:53 inactive_file:53 isolated_file:0 [ 433.188161] unevictable:0 dirty:0 writeback:0 unstable:0 [ 433.188161] slab_reclaimable:4477 slab_unreclaimable:56915 [ 433.188161] mapped:64 shmem:48 pagetables:332 bounce:0 [ 433.188161] free:5994 free_pcp:81 free_cma:0 [ 433.188175] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 433.188195] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 433.188223] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 433.188289] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 433.188338] 0 pages in swap cache [ 433.188342] Swap cache stats: add 0, delete 0, find 0/0 [ 433.188345] Free swap = 0kB [ 433.188347] Total swap = 0kB [ 433.188349] 1965979 pages RAM [ 433.188351] 0 pages HighMem/MovableOnly [ 433.188354] 313617 pages reserved [ 433.205470] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 433.205470] to free 96kB on behalf of 'rsyslogd' (1900) because [ 433.205470] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 433.205470] Free memory is -13528kB above reserved [ 433.206071] rsyslogd: page allocation stalls for 170010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 433.206080] CPU: 1 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 433.206095] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 433.206105] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 433.206116] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 433.206118] Call Trace: [ 433.206134] [] dump_stack+0xc1/0x128 [ 433.206144] [] warn_alloc.cold.31+0x7f/0x9c [ 433.206154] [] ? zone_watermark_ok_safe+0x250/0x250 ** 28 printk messages dropped ** [ 433.206437] lowmem_reserve[]: 0 0 0 [ 433.206486] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB ** 50 printk messages dropped ** [ 433.516787] Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 433.516792] 0 pages in swap cache [ 433.516796] Swap cache stats: add 0, delete 0, find 0/0 [ 433.516798] Free swap = 0kB [ 433.516801] Total swap = 0kB [ 433.516803] 1965979 pages RAM [ 433.516805] 0 pages HighMem/MovableOnly [ 433.516807] 313617 pages reserved [ 433.686577] syz-executor922: page allocation stalls for 170010ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 433.686587] CPU: 0 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 433.686603] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 433.686613] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 433.686624] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 433.686626] Call Trace: [ 433.686642] [] dump_stack+0xc1/0x128 [ 433.686652] [] warn_alloc.cold.31+0x7f/0x9c [ 433.686662] [] ? zone_watermark_ok_safe+0x250/0x250 [ 433.686672] [] ? shrink_node+0x740/0x740 [ 433.686682] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 433.686690] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 433.686699] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 433.686707] [] ? quarantine_put+0xd9/0x180 [ 433.686716] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 433.686723] [] ? trace_hardirqs_on+0xd/0x10 [ 433.686741] [] ? anon_vma_prepare+0x62/0x3d0 [ 433.686749] [] wp_page_copy+0x150/0x12a0 [ 433.686756] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 433.686765] [] ? init_wait_entry+0x100/0x100 [ 433.686772] [] ? add_mm_counter_fast+0xc0/0xc0 [ 433.686778] [] ? do_wp_page+0x270/0x2010 [ 433.686786] [] do_wp_page+0x2ae/0x2010 [ 433.686793] [] ? kasan_slab_free+0x119/0x190 [ 433.686800] [] ? vm_normal_page+0x300/0x300 [ 433.686807] [] ? __lock_acquire+0x654/0x4a10 [ 433.686815] [] ? handle_mm_fault+0x481/0x2350 [ 433.686823] [] handle_mm_fault+0xfcb/0x2350 [ 433.686830] [] ? vm_insert_page+0x6f0/0x6f0 [ 433.686838] [] ? validate_mm+0x32e/0x580 [ 433.686845] [] ? memset+0x31/0x40 [ 433.686854] [] __do_page_fault+0x403/0xa60 [ 433.686862] [] ? bad_area_access_error+0x3a0/0x3a0 [ 433.686872] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 8 printk messages dropped ** [ 433.686980] lowmem_reserve[]: 0 0 0 [ 433.687029] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB ** 1 printk messages dropped ** [ 433.687074] 154 total pagecache pages [ 433.687077] 0 pages in swap cache [ 433.687081] Swap cache stats: add 0, delete 0, find 0/0 [ 433.687083] Free swap = 0kB [ 433.687085] Total swap = 0kB [ 433.687088] 1965979 pages RAM [ 433.687090] 0 pages HighMem/MovableOnly [ 433.687092] 313617 pages reserved [ 434.215455] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 434.215455] to free 96kB on behalf of 'syz-executor922' (2241) because [ 434.215455] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 434.215455] Free memory is -13528kB above reserved [ 435.225444] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 435.225444] to free 96kB on behalf of 'syz-executor922' (2263) because [ 435.225444] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 435.225444] Free memory is -13528kB above reserved [ 435.617189] cron: page allocation stalls for 140020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 435.617199] CPU: 0 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 435.617215] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 435.617226] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 435.617237] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 435.617238] Call Trace: [ 435.617255] [] dump_stack+0xc1/0x128 [ 435.617265] [] warn_alloc.cold.31+0x7f/0x9c [ 435.617275] [] ? zone_watermark_ok_safe+0x250/0x250 [ 435.617284] [] ? shrink_node+0x740/0x740 [ 435.617293] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 435.617301] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 435.617311] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 435.617320] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 435.617327] [] ? find_get_entry+0x11a/0x570 [ 435.617335] [] ? find_get_entry+0x141/0x570 [ 435.617342] [] ? page_cache_prev_hole+0x80/0x80 [ 435.617350] [] ? pagecache_get_page+0x131/0x710 [ 435.617358] [] filemap_fault+0xaf1/0x1110 [ 435.617367] [] ext4_filemap_fault+0x71/0xa0 [ 435.617374] [] __do_fault+0x223/0x500 [ 435.617381] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 435.617390] [] ? generic_file_readonly_mmap+0x190/0x190 [ 435.617398] [] handle_mm_fault+0x1326/0x2350 [ 435.617405] [] ? vm_insert_page+0x6f0/0x6f0 [ 435.617414] [] ? hrtimer_nanosleep+0x38c/0x550 [ 435.617424] [] __do_page_fault+0x403/0xa60 [ 435.617432] [] ? bad_area_access_error+0x3a0/0x3a0 [ 435.617442] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.617449] [] do_page_fault+0x27/0x30 [ 435.617458] [] page_fault+0x25/0x30 [ 435.617462] Mem-Info: [ 435.617480] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 435.617480] active_file:53 inactive_file:53 isolated_file:0 [ 435.617480] unevictable:0 dirty:0 writeback:0 unstable:0 [ 435.617480] slab_reclaimable:4477 slab_unreclaimable:56915 [ 435.617480] mapped:64 shmem:48 pagetables:332 bounce:0 [ 435.617480] free:5994 free_pcp:81 free_cma:0 [ 435.617494] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 435.617513] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 435.617542] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 435.617599] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 435.617648] 0 pages in swap cache [ 435.617652] Swap cache stats: add 0, delete 0, find 0/0 [ 435.617655] Free swap = 0kB [ 435.617657] Total swap = 0kB [ 435.617659] 1965979 pages RAM [ 435.617662] 0 pages HighMem/MovableOnly [ 435.617663] 313617 pages reserved [ 436.235442] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 436.235442] to free 96kB on behalf of 'syz-executor922' (2246) because [ 436.235442] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 436.235442] Free memory is -13528kB above reserved [ 437.245479] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 437.245479] to free 96kB on behalf of 'init' (1) because [ 437.245479] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 437.245479] Free memory is -13528kB above reserved [ 437.245497] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 437.245497] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 437.245497] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 437.245497] Free memory is -13528kB above reserved [ 438.255393] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 438.255393] to free 96kB on behalf of 'syz-executor922' (2260) because [ 438.255393] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 438.255393] Free memory is -13528kB above reserved [ 439.265412] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 439.265412] to free 96kB on behalf of 'syz-executor922' (2259) because [ 439.265412] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 439.265412] Free memory is -13528kB above reserved [ 440.275395] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 440.275395] to free 96kB on behalf of 'syz-executor922' (2259) because [ 440.275395] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 440.275395] Free memory is -13528kB above reserved [ 440.275407] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 440.275407] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 440.275407] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 440.275407] Free memory is -13528kB above reserved [ 441.285465] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 441.285465] to free 96kB on behalf of 'rsyslogd' (1900) because [ 441.285465] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 441.285465] Free memory is -13528kB above reserved [ 441.285486] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 441.285486] to free 96kB on behalf of 'syz-executor922' (2259) because [ 441.285486] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 441.285486] Free memory is -13528kB above reserved [ 442.295400] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 442.295400] to free 96kB on behalf of 'syz-executor922' (2255) because [ 442.295400] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 442.295400] Free memory is -13528kB above reserved [ 443.196681] init: page allocation stalls for 180020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 443.196691] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 443.196707] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 443.196718] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 443.196729] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 443.196731] Call Trace: [ 443.196747] [] dump_stack+0xc1/0x128 [ 443.196758] [] warn_alloc.cold.31+0x7f/0x9c [ 443.196768] [] ? zone_watermark_ok_safe+0x250/0x250 [ 443.196777] [] ? shrink_node+0x740/0x740 [ 443.196787] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 443.196795] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 443.196805] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 443.196814] [] ? check_preemption_disabled+0x3b/0x200 [ 443.196821] [] ? find_get_entry+0x11a/0x570 [ 443.196829] [] ? find_get_entry+0x141/0x570 [ 443.196836] [] ? page_cache_prev_hole+0x80/0x80 [ 443.196845] [] ? autoremove_wake_function+0x40/0x40 [ 443.196853] [] ? pagecache_get_page+0x131/0x710 [ 443.196861] [] filemap_fault+0xaf1/0x1110 [ 443.196870] [] ext4_filemap_fault+0x71/0xa0 [ 443.196877] [] __do_fault+0x223/0x500 [ 443.196885] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 443.196893] [] ? handle_mm_fault+0x1d4f/0x2350 [ 443.196900] [] handle_mm_fault+0x1326/0x2350 [ 443.196908] [] ? vm_insert_page+0x6f0/0x6f0 [ 443.196916] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 443.196925] [] __do_page_fault+0x403/0xa60 [ 443.196933] [] ? bad_area_access_error+0x3a0/0x3a0 [ 443.196944] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.196951] [] do_page_fault+0x27/0x30 [ 443.196960] [] page_fault+0x25/0x30 [ 443.196963] Mem-Info: [ 443.196982] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 443.196982] active_file:53 inactive_file:53 isolated_file:0 [ 443.196982] unevictable:0 dirty:0 writeback:0 unstable:0 [ 443.196982] slab_reclaimable:4477 slab_unreclaimable:56915 [ 443.196982] mapped:64 shmem:48 pagetables:332 bounce:0 [ 443.196982] free:5994 free_pcp:81 free_cma:0 [ 443.196996] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 443.197016] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 443.197044] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 443.197102] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 443.197152] 0 pages in swap cache [ 443.197156] Swap cache stats: add 0, delete 0, find 0/0 ** 40 printk messages dropped ** [ 443.236346] lowmem_reserve[]: 0 3505 3505 [ 443.236365] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB ** 49 printk messages dropped ** [ 443.530531] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 443.530551] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 443.530579] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 443.530637] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 443.530686] 0 pages in swap cache [ 443.530691] Swap cache stats: add 0, delete 0, find 0/0 [ 443.530693] Free swap = 0kB [ 443.530695] Total swap = 0kB [ 443.530697] 1965979 pages RAM [ 443.530700] 0 pages HighMem/MovableOnly [ 443.530702] 313617 pages reserved [ 443.720944] syz-executor922: page allocation stalls for 180040ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 443.720954] CPU: 0 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 443.720970] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 443.720981] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 443.720991] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 443.720993] Call Trace: [ 443.721010] [] dump_stack+0xc1/0x128 [ 443.721021] [] warn_alloc.cold.31+0x7f/0x9c [ 443.721032] [] ? zone_watermark_ok_safe+0x250/0x250 [ 443.721041] [] ? shrink_node+0x740/0x740 [ 443.721050] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 443.721058] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 443.721068] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 443.721075] [] ? quarantine_put+0xd9/0x180 ** 25 printk messages dropped ** [ 443.721303] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 443.721330] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 443.721386] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 443.721434] 0 pages in swap cache [ 443.721439] Swap cache stats: add 0, delete 0, find 0/0 [ 443.721441] Free swap = 0kB [ 443.721443] Total swap = 0kB [ 443.721446] 1965979 pages RAM [ 443.721448] 0 pages HighMem/MovableOnly [ 443.721450] 313617 pages reserved [ 444.315476] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 444.315476] to free 96kB on behalf of 'syz-executor922' (2247) because [ 444.315476] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 444.315476] Free memory is -13528kB above reserved [ 445.325444] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 445.325444] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 445.325444] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 445.325444] Free memory is -13528kB above reserved [ 445.657481] cron: page allocation stalls for 150060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 445.657490] CPU: 1 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 445.657507] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 445.657518] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 445.657528] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 445.657530] Call Trace: [ 445.657547] [] dump_stack+0xc1/0x128 [ 445.657558] [] warn_alloc.cold.31+0x7f/0x9c [ 445.657568] [] ? zone_watermark_ok_safe+0x250/0x250 [ 445.657577] [] ? shrink_node+0x740/0x740 [ 445.657586] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 445.657595] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 445.657604] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 445.657613] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 445.657621] [] ? find_get_entry+0x11a/0x570 [ 445.657628] [] ? find_get_entry+0x141/0x570 [ 445.657635] [] ? page_cache_prev_hole+0x80/0x80 [ 445.657643] [] ? pagecache_get_page+0x131/0x710 [ 445.657651] [] filemap_fault+0xaf1/0x1110 [ 445.657660] [] ext4_filemap_fault+0x71/0xa0 [ 445.657668] [] __do_fault+0x223/0x500 [ 445.657675] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 445.657684] [] ? generic_file_readonly_mmap+0x190/0x190 [ 445.657692] [] handle_mm_fault+0x1326/0x2350 [ 445.657699] [] ? vm_insert_page+0x6f0/0x6f0 [ 445.657707] [] ? hrtimer_nanosleep+0x38c/0x550 [ 445.657717] [] __do_page_fault+0x403/0xa60 [ 445.657725] [] ? bad_area_access_error+0x3a0/0x3a0 [ 445.657736] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.657742] [] do_page_fault+0x27/0x30 [ 445.657751] [] page_fault+0x25/0x30 [ 445.657754] Mem-Info: [ 445.657773] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 445.657773] active_file:53 inactive_file:53 isolated_file:0 [ 445.657773] unevictable:0 dirty:0 writeback:0 unstable:0 [ 445.657773] slab_reclaimable:4477 slab_unreclaimable:56915 [ 445.657773] mapped:64 shmem:48 pagetables:332 bounce:0 [ 445.657773] free:5994 free_pcp:81 free_cma:0 [ 445.657787] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 445.657807] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 445.657835] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 445.657892] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 445.657942] 0 pages in swap cache [ 445.657946] Swap cache stats: add 0, delete 0, find 0/0 [ 445.657948] Free swap = 0kB [ 445.657951] Total swap = 0kB [ 445.657953] 1965979 pages RAM [ 445.657955] 0 pages HighMem/MovableOnly [ 445.657958] 313617 pages reserved [ 446.335506] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 446.335506] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 446.335506] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 446.335506] Free memory is -13528kB above reserved [ 447.345448] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 447.345448] to free 96kB on behalf of 'syz-executor922' (2241) because [ 447.345448] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 447.345448] Free memory is -13528kB above reserved [ 447.345464] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 447.345464] to free 96kB on behalf of 'rsyslogd' (1900) because [ 447.345464] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 447.345464] Free memory is -13528kB above reserved [ 448.355434] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 448.355434] to free 96kB on behalf of 'syz-executor922' (2247) because [ 448.355434] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 448.355434] Free memory is -13528kB above reserved [ 448.355447] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 448.355447] to free 96kB on behalf of 'syz-executor922' (2241) because [ 448.355447] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 448.355447] Free memory is -13528kB above reserved [ 449.365440] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 449.365440] to free 96kB on behalf of 'syz-executor922' (2247) because [ 449.365440] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 449.365440] Free memory is -13528kB above reserved [ 450.380532] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 450.380532] to free 96kB on behalf of 'syz-executor922' (2241) because [ 450.380532] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 450.380532] Free memory is -13528kB above reserved [ 451.385491] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 451.385491] to free 96kB on behalf of 'syz-executor922' (2108) because [ 451.385491] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 451.385491] Free memory is -13528kB above reserved [ 452.395414] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 452.395414] to free 96kB on behalf of 'syz-executor922' (2247) because [ 452.395414] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 452.395414] Free memory is -13528kB above reserved [ 452.395426] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 452.395426] to free 96kB on behalf of 'syz-executor922' (2108) because [ 452.395426] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 452.395426] Free memory is -13528kB above reserved [ 453.197488] init: page allocation stalls for 190020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 453.197498] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 453.197516] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 453.197526] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 453.197537] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 453.197539] Call Trace: [ 453.197555] [] dump_stack+0xc1/0x128 [ 453.197566] [] warn_alloc.cold.31+0x7f/0x9c [ 453.197576] [] ? zone_watermark_ok_safe+0x250/0x250 [ 453.197585] [] ? shrink_node+0x740/0x740 [ 453.197595] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 453.197603] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 453.197612] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 453.197623] [] ? check_preemption_disabled+0x3b/0x200 [ 453.197630] [] ? find_get_entry+0x11a/0x570 [ 453.197637] [] ? find_get_entry+0x141/0x570 [ 453.197645] [] ? page_cache_prev_hole+0x80/0x80 [ 453.197654] [] ? autoremove_wake_function+0x40/0x40 [ 453.197662] [] ? pagecache_get_page+0x131/0x710 [ 453.197670] [] filemap_fault+0xaf1/0x1110 [ 453.197679] [] ext4_filemap_fault+0x71/0xa0 [ 453.197686] [] __do_fault+0x223/0x500 [ 453.197694] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 453.197702] [] ? handle_mm_fault+0x1d4f/0x2350 [ 453.197709] [] handle_mm_fault+0x1326/0x2350 [ 453.197717] [] ? vm_insert_page+0x6f0/0x6f0 [ 453.197724] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 453.197734] [] __do_page_fault+0x403/0xa60 [ 453.197742] [] ? bad_area_access_error+0x3a0/0x3a0 [ 453.197752] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.197760] [] do_page_fault+0x27/0x30 [ 453.197768] [] page_fault+0x25/0x30 [ 453.197772] Mem-Info: [ 453.197790] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 453.197790] active_file:53 inactive_file:53 isolated_file:0 [ 453.197790] unevictable:0 dirty:0 writeback:0 unstable:0 [ 453.197790] slab_reclaimable:4477 slab_unreclaimable:56915 [ 453.197790] mapped:64 shmem:48 pagetables:332 bounce:0 [ 453.197790] free:5994 free_pcp:81 free_cma:0 [ 453.197804] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 453.197824] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 453.197852] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:112kB free_cma:0kB ** 40 printk messages dropped ** [ 453.213906] [] do_page_fault+0x27/0x30 [ 453.213915] [] page_fault+0x25/0x30 ** 48 printk messages dropped ** [ 453.527690] [] ? bad_area_access_error+0x3a0/0x3a0 [ 453.527700] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.527708] [] do_page_fault+0x27/0x30 [ 453.527717] [] page_fault+0x25/0x30 [ 453.527720] Mem-Info: [ 453.527754] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 453.527754] active_file:53 inactive_file:53 isolated_file:0 [ 453.527754] unevictable:0 dirty:0 writeback:0 unstable:0 [ 453.527754] slab_reclaimable:4477 slab_unreclaimable:56915 [ 453.527754] mapped:64 shmem:48 pagetables:332 bounce:0 [ 453.527754] free:5994 free_pcp:81 free_cma:0 [ 453.527768] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 453.527788] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 453.527817] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 453.527874] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 453.527923] 0 pages in swap cache [ 453.527928] Swap cache stats: add 0, delete 0, find 0/0 [ 453.527930] Free swap = 0kB [ 453.527932] Total swap = 0kB [ 453.527935] 1965979 pages RAM [ 453.527937] 0 pages HighMem/MovableOnly [ 453.527939] 313617 pages reserved [ 453.726804] syz-executor922: page allocation stalls for 190050ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 453.726814] CPU: 0 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 453.726830] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 453.726841] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 453.726852] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 453.726854] Call Trace: [ 453.726869] [] dump_stack+0xc1/0x128 [ 453.726880] [] warn_alloc.cold.31+0x7f/0x9c ** 26 printk messages dropped ** [ 453.727098] [] do_page_fault+0x27/0x30 [ 453.727106] [] page_fault+0x25/0x30 [ 453.727110] Mem-Info: [ 453.727128] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 453.727128] active_file:53 inactive_file:53 isolated_file:0 [ 453.727128] unevictable:0 dirty:0 writeback:0 unstable:0 [ 453.727128] slab_reclaimable:4477 slab_unreclaimable:56915 [ 453.727128] mapped:64 shmem:48 pagetables:332 bounce:0 [ 453.727128] free:5994 free_pcp:81 free_cma:0 [ 453.727142] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 453.727163] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 453.727191] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 453.727246] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 453.727296] 0 pages in swap cache [ 453.727300] Swap cache stats: add 0, delete 0, find 0/0 [ 453.727302] Free swap = 0kB [ 453.727304] Total swap = 0kB [ 453.727307] 1965979 pages RAM [ 453.727309] 0 pages HighMem/MovableOnly [ 453.727311] 313617 pages reserved [ 454.415451] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 454.415451] to free 96kB on behalf of 'syz-executor922' (2260) because [ 454.415451] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 454.415451] Free memory is -13528kB above reserved [ 454.415466] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 454.415466] to free 96kB on behalf of 'syz-executor922' (2247) because [ 454.415466] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 454.415466] Free memory is -13528kB above reserved [ 455.425464] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 455.425464] to free 96kB on behalf of 'init' (1) because [ 455.425464] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 455.425464] Free memory is -13528kB above reserved [ 455.627368] cron: page allocation stalls for 160030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 455.627378] CPU: 0 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 455.627395] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 455.627406] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 455.627416] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 455.627418] Call Trace: [ 455.627434] [] dump_stack+0xc1/0x128 [ 455.627444] [] warn_alloc.cold.31+0x7f/0x9c [ 455.627454] [] ? zone_watermark_ok_safe+0x250/0x250 [ 455.627463] [] ? shrink_node+0x740/0x740 [ 455.627472] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 455.627481] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 455.627490] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 455.627499] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 455.627506] [] ? find_get_entry+0x11a/0x570 [ 455.627514] [] ? find_get_entry+0x141/0x570 [ 455.627521] [] ? page_cache_prev_hole+0x80/0x80 [ 455.627529] [] ? pagecache_get_page+0x131/0x710 [ 455.627537] [] filemap_fault+0xaf1/0x1110 [ 455.627546] [] ext4_filemap_fault+0x71/0xa0 [ 455.627553] [] __do_fault+0x223/0x500 [ 455.627560] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 455.627568] [] ? generic_file_readonly_mmap+0x190/0x190 [ 455.627576] [] handle_mm_fault+0x1326/0x2350 [ 455.627583] [] ? vm_insert_page+0x6f0/0x6f0 [ 455.627592] [] ? hrtimer_nanosleep+0x38c/0x550 [ 455.627603] [] __do_page_fault+0x403/0xa60 [ 455.627611] [] ? bad_area_access_error+0x3a0/0x3a0 [ 455.627621] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 455.627628] [] do_page_fault+0x27/0x30 [ 455.627636] [] page_fault+0x25/0x30 [ 455.627640] Mem-Info: [ 455.627658] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 455.627658] active_file:53 inactive_file:53 isolated_file:0 [ 455.627658] unevictable:0 dirty:0 writeback:0 unstable:0 [ 455.627658] slab_reclaimable:4477 slab_unreclaimable:56915 [ 455.627658] mapped:64 shmem:48 pagetables:332 bounce:0 [ 455.627658] free:5994 free_pcp:81 free_cma:0 [ 455.627672] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 455.627692] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 455.627720] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 455.627797] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 455.627847] 0 pages in swap cache [ 455.627851] Swap cache stats: add 0, delete 0, find 0/0 [ 455.627853] Free swap = 0kB [ 455.627855] Total swap = 0kB [ 455.627858] 1965979 pages RAM [ 455.627860] 0 pages HighMem/MovableOnly [ 455.627862] 313617 pages reserved [ 456.435461] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 456.435461] to free 96kB on behalf of 'syz-executor922' (2246) because [ 456.435461] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 456.435461] Free memory is -13528kB above reserved [ 457.445403] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 457.445403] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 457.445403] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 457.445403] Free memory is -13528kB above reserved [ 458.455460] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 458.455460] to free 96kB on behalf of 'syz-executor922' (2255) because [ 458.455460] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 458.455460] Free memory is -13528kB above reserved [ 459.465507] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 459.465507] to free 96kB on behalf of 'syz-executor922' (2245) because [ 459.465507] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 459.465507] Free memory is -13528kB above reserved [ 460.475473] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 460.475473] to free 96kB on behalf of 'syz-executor922' (2260) because [ 460.475473] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 460.475473] Free memory is -13528kB above reserved [ 461.485421] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 461.485421] to free 96kB on behalf of 'syz-executor922' (2259) because [ 461.485421] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 461.485421] Free memory is -13528kB above reserved [ 462.517291] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 462.517291] to free 96kB on behalf of 'syz-executor922' (2246) because [ 462.517291] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 462.517291] Free memory is -13528kB above reserved [ 463.199412] init: page allocation stalls for 200020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 463.199421] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 463.199437] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 463.199447] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 463.199457] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 463.199459] Call Trace: [ 463.199474] [] dump_stack+0xc1/0x128 [ 463.199484] [] warn_alloc.cold.31+0x7f/0x9c [ 463.199494] [] ? zone_watermark_ok_safe+0x250/0x250 [ 463.199502] [] ? shrink_node+0x740/0x740 [ 463.199511] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 463.199519] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 463.199527] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 463.199537] [] ? check_preemption_disabled+0x3b/0x200 [ 463.199544] [] ? find_get_entry+0x11a/0x570 [ 463.199551] [] ? find_get_entry+0x141/0x570 [ 463.199558] [] ? page_cache_prev_hole+0x80/0x80 [ 463.199566] [] ? autoremove_wake_function+0x40/0x40 [ 463.199573] [] ? pagecache_get_page+0x131/0x710 [ 463.199581] [] filemap_fault+0xaf1/0x1110 [ 463.199589] [] ext4_filemap_fault+0x71/0xa0 [ 463.199596] [] __do_fault+0x223/0x500 [ 463.199602] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 463.199609] [] ? handle_mm_fault+0x1d4f/0x2350 [ 463.199617] [] handle_mm_fault+0x1326/0x2350 [ 463.199624] [] ? vm_insert_page+0x6f0/0x6f0 [ 463.199631] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 463.199639] [] __do_page_fault+0x403/0xa60 [ 463.199647] [] ? bad_area_access_error+0x3a0/0x3a0 [ 463.199656] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.199663] [] do_page_fault+0x27/0x30 [ 463.199670] [] page_fault+0x25/0x30 [ 463.199674] Mem-Info: [ 463.199691] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 463.199691] active_file:53 inactive_file:53 isolated_file:0 [ 463.199691] unevictable:0 dirty:0 writeback:0 unstable:0 [ 463.199691] slab_reclaimable:4477 slab_unreclaimable:56915 [ 463.199691] mapped:64 shmem:48 pagetables:332 bounce:0 [ 463.199691] free:5994 free_pcp:81 free_cma:0 [ 463.199705] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 463.199723] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 42 printk messages dropped ** [ 463.208846] [] do_page_fault+0x27/0x30 [ 463.208854] [] page_fault+0x25/0x30 [ 463.208858] Mem-Info: [ 463.208876] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 463.208876] active_file:53 inactive_file:53 isolated_file:0 [ 463.208876] unevictable:0 dirty:0 writeback:0 unstable:0 [ 463.208876] slab_reclaimable:4477 slab_unreclaimable:56915 [ 463.208876] mapped:64 shmem:48 pagetables:332 bounce:0 [ 463.208876] free:5994 free_pcp:81 free_cma:0 [ 463.208890] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 463.208909] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 46 printk messages dropped ** [ 463.525357] [] page_fault+0x25/0x30 [ 463.525494] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 463.525494] to free 96kB on behalf of 'syz-executor922' (2247) because [ 463.525494] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 463.525494] Free memory is -13528kB above reserved [ 463.555365] Mem-Info: [ 463.555386] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 463.555386] active_file:53 inactive_file:53 isolated_file:0 [ 463.555386] unevictable:0 dirty:0 writeback:0 unstable:0 [ 463.555386] slab_reclaimable:4477 slab_unreclaimable:56915 [ 463.555386] mapped:64 shmem:48 pagetables:332 bounce:0 [ 463.555386] free:5994 free_pcp:81 free_cma:0 [ 463.555399] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 463.555420] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 463.555449] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 463.555506] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 463.555556] 0 pages in swap cache [ 463.555560] Swap cache stats: add 0, delete 0, find 0/0 [ 463.555562] Free swap = 0kB [ 463.555565] Total swap = 0kB [ 463.555567] 1965979 pages RAM [ 463.555569] 0 pages HighMem/MovableOnly [ 463.555572] 313617 pages reserved [ 463.707241] syz-executor922: page allocation stalls for 200030ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 463.707251] CPU: 0 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 463.707266] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 463.707276] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 463.707286] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 463.707287] Call Trace: [ 463.707303] [] dump_stack+0xc1/0x128 [ 463.707313] [] warn_alloc.cold.31+0x7f/0x9c [ 463.707323] [] ? zone_watermark_ok_safe+0x250/0x250 [ 463.707331] [] ? shrink_node+0x740/0x740 [ 463.707340] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 463.707348] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 463.707357] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 463.707364] [] ? quarantine_put+0xd9/0x180 [ 463.707373] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 463.707379] [] ? trace_hardirqs_on+0xd/0x10 [ 463.707388] [] ? anon_vma_prepare+0x62/0x3d0 [ 463.707395] [] wp_page_copy+0x150/0x12a0 [ 463.707402] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 463.707410] [] ? init_wait_entry+0x100/0x100 [ 463.707416] [] ? add_mm_counter_fast+0xc0/0xc0 [ 463.707423] [] ? do_wp_page+0x270/0x2010 [ 463.707430] [] do_wp_page+0x2ae/0x2010 [ 463.707437] [] ? kasan_slab_free+0x119/0x190 ** 10 printk messages dropped ** [ 463.707517] [] do_page_fault+0x27/0x30 [ 463.707525] [] page_fault+0x25/0x30 [ 463.707528] Mem-Info: [ 463.707545] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 463.707545] active_file:53 inactive_file:53 isolated_file:0 [ 463.707545] unevictable:0 dirty:0 writeback:0 unstable:0 [ 463.707545] slab_reclaimable:4477 slab_unreclaimable:56915 [ 463.707545] mapped:64 shmem:48 pagetables:332 bounce:0 [ 463.707545] free:5994 free_pcp:81 free_cma:0 [ 463.707558] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 463.707576] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 463.707602] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 463.707654] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 463.707699] 0 pages in swap cache [ 463.707703] Swap cache stats: add 0, delete 0, find 0/0 [ 463.707705] Free swap = 0kB [ 463.707707] Total swap = 0kB [ 463.707710] 1965979 pages RAM [ 463.707712] 0 pages HighMem/MovableOnly [ 463.707714] 313617 pages reserved [ 464.535452] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 464.535452] to free 96kB on behalf of 'syz-executor922' (2260) because [ 464.535452] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 464.535452] Free memory is -13528kB above reserved [ 465.545400] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 465.545400] to free 96kB on behalf of 'syz-executor922' (2246) because [ 465.545400] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 465.545400] Free memory is -13528kB above reserved [ 465.545411] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 465.545411] to free 96kB on behalf of 'syz-executor922' (2241) because [ 465.545411] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 465.545411] Free memory is -13528kB above reserved [ 465.667201] cron: page allocation stalls for 170070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 465.667210] CPU: 0 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 465.667228] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 465.667238] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 465.667249] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 465.667251] Call Trace: [ 465.667267] [] dump_stack+0xc1/0x128 [ 465.667277] [] warn_alloc.cold.31+0x7f/0x9c [ 465.667287] [] ? zone_watermark_ok_safe+0x250/0x250 [ 465.667296] [] ? shrink_node+0x740/0x740 [ 465.667305] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 465.667313] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 465.667323] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 465.667332] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 465.667339] [] ? find_get_entry+0x11a/0x570 [ 465.667347] [] ? find_get_entry+0x141/0x570 [ 465.667354] [] ? page_cache_prev_hole+0x80/0x80 [ 465.667361] [] ? pagecache_get_page+0x131/0x710 [ 465.667369] [] filemap_fault+0xaf1/0x1110 [ 465.667378] [] ext4_filemap_fault+0x71/0xa0 [ 465.667386] [] __do_fault+0x223/0x500 [ 465.667393] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 465.667402] [] ? generic_file_readonly_mmap+0x190/0x190 [ 465.667409] [] handle_mm_fault+0x1326/0x2350 [ 465.667417] [] ? vm_insert_page+0x6f0/0x6f0 [ 465.667426] [] ? hrtimer_nanosleep+0x38c/0x550 [ 465.667435] [] __do_page_fault+0x403/0xa60 [ 465.667443] [] ? bad_area_access_error+0x3a0/0x3a0 [ 465.667454] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 465.667461] [] do_page_fault+0x27/0x30 [ 465.667469] [] page_fault+0x25/0x30 [ 465.667473] Mem-Info: [ 465.667491] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 465.667491] active_file:53 inactive_file:53 isolated_file:0 [ 465.667491] unevictable:0 dirty:0 writeback:0 unstable:0 [ 465.667491] slab_reclaimable:4477 slab_unreclaimable:56915 [ 465.667491] mapped:64 shmem:48 pagetables:332 bounce:0 [ 465.667491] free:5994 free_pcp:81 free_cma:0 [ 465.667505] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 465.667525] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 465.667553] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 465.667610] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 465.667659] 0 pages in swap cache [ 465.667663] Swap cache stats: add 0, delete 0, find 0/0 [ 465.667665] Free swap = 0kB [ 465.667668] Total swap = 0kB [ 465.667670] 1965979 pages RAM [ 465.667672] 0 pages HighMem/MovableOnly [ 465.667675] 313617 pages reserved [ 466.555479] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 466.555479] to free 96kB on behalf of 'syz-executor922' (2263) because [ 466.555479] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 466.555479] Free memory is -13528kB above reserved [ 467.565436] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 467.565436] to free 96kB on behalf of 'syz-executor922' (2246) because [ 467.565436] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 467.565436] Free memory is -13528kB above reserved [ 467.565455] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 467.565455] to free 96kB on behalf of 'syz-executor922' (2261) because [ 467.565455] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 467.565455] Free memory is -13528kB above reserved [ 468.591141] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 468.591141] to free 96kB on behalf of 'syz-executor922' (2255) because [ 468.591141] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 468.591141] Free memory is -13528kB above reserved [ 468.591153] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 468.591153] to free 96kB on behalf of 'syz-executor922' (2108) because [ 468.591153] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 468.591153] Free memory is -13528kB above reserved [ 469.595489] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 469.595489] to free 96kB on behalf of 'syz-executor922' (2245) because [ 469.595489] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 469.595489] Free memory is -13528kB above reserved [ 470.605416] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 470.605416] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 470.605416] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 470.605416] Free memory is -13528kB above reserved [ 471.615401] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 471.615401] to free 96kB on behalf of 'syz-executor922' (2245) because [ 471.615401] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 471.615401] Free memory is -13528kB above reserved [ 472.625402] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 472.625402] to free 96kB on behalf of 'syz-executor922' (2108) because [ 472.625402] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 472.625402] Free memory is -13528kB above reserved [ 472.625413] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 472.625413] to free 96kB on behalf of 'syz-executor922' (2261) because [ 472.625413] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 472.625413] Free memory is -13528kB above reserved [ 473.227237] rsyslogd: page allocation stalls for 210030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 473.227247] CPU: 0 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 473.227266] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 473.227277] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 473.227287] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 473.227289] Call Trace: [ 473.227305] [] dump_stack+0xc1/0x128 [ 473.227315] [] warn_alloc.cold.31+0x7f/0x9c [ 473.227325] [] ? zone_watermark_ok_safe+0x250/0x250 [ 473.227334] [] ? shrink_node+0x740/0x740 [ 473.227343] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 473.227352] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 473.227361] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 473.227370] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 473.227377] [] ? find_get_entry+0x11a/0x570 [ 473.227385] [] ? find_get_entry+0x141/0x570 [ 473.227392] [] ? page_cache_prev_hole+0x80/0x80 [ 473.227400] [] ? pagecache_get_page+0x131/0x710 [ 473.227408] [] filemap_fault+0xaf1/0x1110 [ 473.227417] [] ext4_filemap_fault+0x71/0xa0 [ 473.227425] [] __do_fault+0x223/0x500 [ 473.227432] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 473.227440] [] ? handle_mm_fault+0x1d4f/0x2350 [ 473.227448] [] handle_mm_fault+0x1326/0x2350 [ 473.227455] [] ? vm_insert_page+0x6f0/0x6f0 [ 473.227463] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 473.227472] [] __do_page_fault+0x403/0xa60 [ 473.227480] [] ? bad_area_access_error+0x3a0/0x3a0 [ 473.227491] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 473.227498] [] do_page_fault+0x27/0x30 ** 37 printk messages dropped ** [ 473.249003] [] filemap_fault+0xaf1/0x1110 [ 473.249012] [] ext4_filemap_fault+0x71/0xa0 [ 473.249019] [] __do_fault+0x223/0x500 [ 473.249026] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 473.249034] [] ? handle_mm_fault+0x1d4f/0x2350 ** 48 printk messages dropped ** [ 473.587404] [] ? handle_mm_fault+0x1d4f/0x2350 [ 473.587411] [] handle_mm_fault+0x1326/0x2350 [ 473.587418] [] ? vm_insert_page+0x6f0/0x6f0 [ 473.587427] [] ? selinux_file_permission+0x82/0x470 [ 473.587437] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 473.587444] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 473.587453] [] __do_page_fault+0x403/0xa60 [ 473.587460] [] ? bad_area_access_error+0x3a0/0x3a0 [ 473.587469] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 473.587476] [] do_page_fault+0x27/0x30 [ 473.587484] [] page_fault+0x25/0x30 [ 473.587488] Mem-Info: [ 473.587505] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 473.587505] active_file:53 inactive_file:53 isolated_file:0 [ 473.587505] unevictable:0 dirty:0 writeback:0 unstable:0 [ 473.587505] slab_reclaimable:4477 slab_unreclaimable:56915 [ 473.587505] mapped:64 shmem:48 pagetables:332 bounce:0 [ 473.587505] free:5994 free_pcp:81 free_cma:0 [ 473.587519] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 473.587537] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 473.587563] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 473.587616] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 473.587662] 0 pages in swap cache [ 473.587666] Swap cache stats: add 0, delete 0, find 0/0 [ 473.587668] Free swap = 0kB [ 473.587670] Total swap = 0kB [ 473.587672] 1965979 pages RAM [ 473.587674] 0 pages HighMem/MovableOnly [ 473.587676] 313617 pages reserved [ 473.635455] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 473.635455] to free 96kB on behalf of 'syz-executor922' (2255) because [ 473.635455] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 473.635455] Free memory is -13528kB above reserved ** 26 printk messages dropped ** [ 473.706735] [] ? handle_mm_fault+0x481/0x2350 [ 473.706743] [] handle_mm_fault+0xfcb/0x2350 [ 473.706751] [] ? vm_insert_page+0x6f0/0x6f0 [ 473.706758] [] ? validate_mm+0x32e/0x580 [ 473.706766] [] ? memset+0x31/0x40 [ 473.706775] [] __do_page_fault+0x403/0xa60 [ 473.706782] [] ? bad_area_access_error+0x3a0/0x3a0 [ 473.706793] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 473.706800] [] do_page_fault+0x27/0x30 [ 473.706809] [] page_fault+0x25/0x30 [ 473.706812] Mem-Info: [ 473.706831] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 473.706831] active_file:53 inactive_file:53 isolated_file:0 [ 473.706831] unevictable:0 dirty:0 writeback:0 unstable:0 [ 473.706831] slab_reclaimable:4477 slab_unreclaimable:56915 [ 473.706831] mapped:64 shmem:48 pagetables:332 bounce:0 [ 473.706831] free:5994 free_pcp:81 free_cma:0 [ 473.706845] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 473.706865] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 473.706893] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:204kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 473.706949] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 473.706997] 0 pages in swap cache [ 473.707001] Swap cache stats: add 0, delete 0, find 0/0 [ 473.707004] Free swap = 0kB [ 473.707006] Total swap = 0kB [ 473.707008] 1965979 pages RAM [ 473.707010] 0 pages HighMem/MovableOnly [ 473.707013] 313617 pages reserved [ 474.645437] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 474.645437] to free 96kB on behalf of 'syz-executor922' (2108) because [ 474.645437] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 474.645437] Free memory is -13528kB above reserved [ 475.641599] cron: page allocation stalls for 180040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 475.641609] CPU: 0 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 475.641626] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 475.641637] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 475.641647] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 475.641649] Call Trace: [ 475.641665] [] dump_stack+0xc1/0x128 [ 475.641675] [] warn_alloc.cold.31+0x7f/0x9c [ 475.641686] [] ? zone_watermark_ok_safe+0x250/0x250 [ 475.641695] [] ? shrink_node+0x740/0x740 [ 475.641704] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 475.641712] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 475.641721] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 475.641730] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 475.641738] [] ? find_get_entry+0x11a/0x570 [ 475.641745] [] ? find_get_entry+0x141/0x570 [ 475.641753] [] ? page_cache_prev_hole+0x80/0x80 [ 475.641768] [] ? pagecache_get_page+0x131/0x710 [ 475.641776] [] filemap_fault+0xaf1/0x1110 [ 475.641785] [] ext4_filemap_fault+0x71/0xa0 [ 475.641793] [] __do_fault+0x223/0x500 [ 475.641799] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 475.641808] [] ? generic_file_readonly_mmap+0x190/0x190 [ 475.641816] [] handle_mm_fault+0x1326/0x2350 [ 475.641823] [] ? vm_insert_page+0x6f0/0x6f0 [ 475.641832] [] ? hrtimer_nanosleep+0x38c/0x550 [ 475.641842] [] __do_page_fault+0x403/0xa60 [ 475.641850] [] ? bad_area_access_error+0x3a0/0x3a0 [ 475.641860] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 475.641867] [] do_page_fault+0x27/0x30 [ 475.641876] [] page_fault+0x25/0x30 [ 475.641879] Mem-Info: [ 475.641898] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 475.641898] active_file:53 inactive_file:53 isolated_file:0 [ 475.641898] unevictable:0 dirty:0 writeback:0 unstable:0 [ 475.641898] slab_reclaimable:4477 slab_unreclaimable:56915 [ 475.641898] mapped:64 shmem:48 pagetables:332 bounce:0 [ 475.641898] free:5994 free_pcp:80 free_cma:0 [ 475.641912] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 475.641932] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 475.641960] Normal free:5324kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227576kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:200kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 475.642017] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 98*8kB (MH) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5324kB 154 total pagecache pages [ 475.642067] 0 pages in swap cache [ 475.642071] Swap cache stats: add 0, delete 0, find 0/0 [ 475.642073] Free swap = 0kB [ 475.642075] Total swap = 0kB [ 475.642078] 1965979 pages RAM [ 475.642080] 0 pages HighMem/MovableOnly [ 475.642082] 313617 pages reserved [ 475.655418] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 475.655418] to free 96kB on behalf of 'syz-executor922' (2260) because [ 475.655418] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 475.655418] Free memory is -13528kB above reserved [ 475.655435] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 475.655435] to free 96kB on behalf of 'syz-executor922' (2259) because [ 475.655435] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 475.655435] Free memory is -13528kB above reserved [ 476.665442] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 476.665442] to free 96kB on behalf of 'syz-executor922' (2261) because [ 476.665442] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 476.665442] Free memory is -13528kB above reserved [ 477.675461] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 477.675461] to free 96kB on behalf of 'syz-executor922' (2246) because [ 477.675461] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 477.675461] Free memory is -13528kB above reserved [ 478.707364] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 478.707364] to free 96kB on behalf of 'syz-executor922' (2247) because [ 478.707364] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 478.707364] Free memory is -13528kB above reserved [ 479.715404] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 479.715404] to free 96kB on behalf of 'syz-executor922' (2260) because [ 479.715404] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 479.715404] Free memory is -13528kB above reserved [ 480.725397] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 480.725397] to free 96kB on behalf of 'syz-executor922' (2259) because [ 480.725397] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 480.725397] Free memory is -13528kB above reserved [ 481.737507] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 481.737507] to free 96kB on behalf of 'syz-executor922' (2261) because [ 481.737507] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 481.737507] Free memory is -13536kB above reserved [ 482.745396] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 482.745396] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 482.745396] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 482.745396] Free memory is -13536kB above reserved [ 483.189418] init: page allocation stalls for 220010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 483.189428] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 483.189444] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 483.189455] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 483.189466] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 483.189468] Call Trace: [ 483.189483] [] dump_stack+0xc1/0x128 [ 483.189493] [] warn_alloc.cold.31+0x7f/0x9c [ 483.189504] [] ? zone_watermark_ok_safe+0x250/0x250 [ 483.189513] [] ? shrink_node+0x740/0x740 [ 483.189523] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 483.189531] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 483.189540] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 483.189550] [] ? check_preemption_disabled+0x3b/0x200 [ 483.189557] [] ? find_get_entry+0x11a/0x570 [ 483.189565] [] ? find_get_entry+0x141/0x570 [ 483.189572] [] ? page_cache_prev_hole+0x80/0x80 [ 483.189582] [] ? autoremove_wake_function+0x40/0x40 [ 483.189590] [] ? pagecache_get_page+0x131/0x710 [ 483.189597] [] filemap_fault+0xaf1/0x1110 [ 483.189606] [] ext4_filemap_fault+0x71/0xa0 [ 483.189614] [] __do_fault+0x223/0x500 [ 483.189621] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 483.189629] [] ? handle_mm_fault+0x1d4f/0x2350 [ 483.189637] [] handle_mm_fault+0x1326/0x2350 [ 483.189645] [] ? vm_insert_page+0x6f0/0x6f0 [ 483.189652] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 483.189662] [] __do_page_fault+0x403/0xa60 [ 483.189670] [] ? bad_area_access_error+0x3a0/0x3a0 [ 483.189680] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 483.189687] [] do_page_fault+0x27/0x30 [ 483.189696] [] page_fault+0x25/0x30 [ 483.189700] Mem-Info: [ 483.189718] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 483.189718] active_file:53 inactive_file:53 isolated_file:0 [ 483.189718] unevictable:0 dirty:0 writeback:0 unstable:0 [ 483.189718] slab_reclaimable:4477 slab_unreclaimable:56918 [ 483.189718] mapped:64 shmem:48 pagetables:332 bounce:0 [ 483.189718] free:5992 free_pcp:80 free_cma:0 [ 483.189732] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 483.189752] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 45 printk messages dropped ** [ 483.216559] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 483.216559] active_file:53 inactive_file:53 isolated_file:0 [ 483.216559] unevictable:0 dirty:0 writeback:0 unstable:0 [ 483.216559] slab_reclaimable:4477 slab_unreclaimable:56918 [ 483.216559] mapped:64 shmem:48 pagetables:332 bounce:0 [ 483.216559] free:5992 free_pcp:80 free_cma:0 ** 51 printk messages dropped ** [ 483.506687] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 483.506706] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 483.506734] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227588kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:200kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 483.506825] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 97*8kB (M) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 483.506874] 0 pages in swap cache [ 483.506879] Swap cache stats: add 0, delete 0, find 0/0 [ 483.506881] Free swap = 0kB [ 483.506883] Total swap = 0kB [ 483.506886] 1965979 pages RAM [ 483.506888] 0 pages HighMem/MovableOnly [ 483.506890] 313617 pages reserved [ 483.707382] syz-executor922: page allocation stalls for 220030ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 483.707391] CPU: 1 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 483.707408] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 483.707418] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 483.707429] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 483.707431] Call Trace: [ 483.707447] [] dump_stack+0xc1/0x128 [ 483.707457] [] warn_alloc.cold.31+0x7f/0x9c [ 483.707467] [] ? zone_watermark_ok_safe+0x250/0x250 [ 483.707476] [] ? shrink_node+0x740/0x740 [ 483.707485] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 483.707494] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 483.707503] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 483.707510] [] ? quarantine_put+0xd9/0x180 [ 483.707519] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 483.707526] [] ? trace_hardirqs_on+0xd/0x10 [ 483.707537] [] ? anon_vma_prepare+0x62/0x3d0 [ 483.707544] [] wp_page_copy+0x150/0x12a0 [ 483.707552] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 19 printk messages dropped ** [ 483.707722] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 483.707755] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 483.707783] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227588kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:200kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 483.707839] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 97*8kB (M) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 483.707887] 0 pages in swap cache [ 483.707891] Swap cache stats: add 0, delete 0, find 0/0 [ 483.707894] Free swap = 0kB [ 483.707896] Total swap = 0kB [ 483.707898] 1965979 pages RAM [ 483.707900] 0 pages HighMem/MovableOnly [ 483.707903] 313617 pages reserved [ 483.755442] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 483.755442] to free 96kB on behalf of 'syz-executor922' (2261) because [ 483.755442] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 483.755442] Free memory is -13536kB above reserved [ 484.765388] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 484.765388] to free 96kB on behalf of 'syz-executor922' (2245) because [ 484.765388] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 484.765388] Free memory is -13536kB above reserved [ 485.612694] cron: page allocation stalls for 190010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 485.612703] CPU: 0 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 485.612722] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 485.612733] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 485.612743] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 485.612745] Call Trace: [ 485.612768] [] dump_stack+0xc1/0x128 [ 485.612779] [] warn_alloc.cold.31+0x7f/0x9c [ 485.612788] [] ? zone_watermark_ok_safe+0x250/0x250 [ 485.612798] [] ? shrink_node+0x740/0x740 [ 485.612807] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 485.612815] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 485.612825] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 485.612833] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 485.612841] [] ? find_get_entry+0x11a/0x570 [ 485.612849] [] ? find_get_entry+0x141/0x570 [ 485.612856] [] ? page_cache_prev_hole+0x80/0x80 [ 485.612864] [] ? pagecache_get_page+0x131/0x710 [ 485.612872] [] filemap_fault+0xaf1/0x1110 [ 485.612881] [] ext4_filemap_fault+0x71/0xa0 [ 485.612889] [] __do_fault+0x223/0x500 [ 485.612896] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 485.612904] [] ? generic_file_readonly_mmap+0x190/0x190 [ 485.612912] [] handle_mm_fault+0x1326/0x2350 [ 485.612920] [] ? vm_insert_page+0x6f0/0x6f0 [ 485.612928] [] ? hrtimer_nanosleep+0x38c/0x550 [ 485.612939] [] __do_page_fault+0x403/0xa60 [ 485.612947] [] ? bad_area_access_error+0x3a0/0x3a0 [ 485.612957] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 485.612965] [] do_page_fault+0x27/0x30 [ 485.612973] [] page_fault+0x25/0x30 [ 485.612977] Mem-Info: [ 485.612996] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 485.612996] active_file:53 inactive_file:53 isolated_file:0 [ 485.612996] unevictable:0 dirty:0 writeback:0 unstable:0 [ 485.612996] slab_reclaimable:4477 slab_unreclaimable:56918 [ 485.612996] mapped:64 shmem:48 pagetables:332 bounce:0 [ 485.612996] free:5992 free_pcp:80 free_cma:0 [ 485.613011] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 485.613031] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 485.613059] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227588kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:200kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 485.613115] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 97*8kB (M) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 485.613165] 0 pages in swap cache [ 485.613169] Swap cache stats: add 0, delete 0, find 0/0 [ 485.613171] Free swap = 0kB [ 485.613173] Total swap = 0kB [ 485.613176] 1965979 pages RAM [ 485.613178] 0 pages HighMem/MovableOnly [ 485.613180] 313617 pages reserved [ 485.775415] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 485.775415] to free 96kB on behalf of 'syz-executor922' (2247) because [ 485.775415] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 485.775415] Free memory is -13536kB above reserved [ 486.785463] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 486.785463] to free 96kB on behalf of 'syz-executor922' (2255) because [ 486.785463] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 486.785463] Free memory is -13536kB above reserved [ 487.795509] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 487.795509] to free 96kB on behalf of 'syz-executor922' (2263) because [ 487.795509] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 487.795509] Free memory is -13536kB above reserved [ 488.805432] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 488.805432] to free 96kB on behalf of 'init' (1) because [ 488.805432] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 488.805432] Free memory is -13536kB above reserved [ 489.815410] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 489.815410] to free 96kB on behalf of 'syz-executor922' (2263) because [ 489.815410] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 489.815410] Free memory is -13536kB above reserved [ 490.825492] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 490.825492] to free 96kB on behalf of 'syz-executor922' (2245) because [ 490.825492] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 490.825492] Free memory is -13536kB above reserved [ 491.835477] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 491.835477] to free 96kB on behalf of 'syz-executor922' (2261) because [ 491.835477] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 491.835477] Free memory is -13536kB above reserved [ 492.845438] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 492.845438] to free 96kB on behalf of 'syz-executor922' (2260) because [ 492.845438] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 492.845438] Free memory is -13536kB above reserved [ 493.186933] init: page allocation stalls for 230010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 493.186943] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 493.186961] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 493.186971] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 493.186982] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 493.186984] Call Trace: [ 493.187001] [] dump_stack+0xc1/0x128 [ 493.187011] [] warn_alloc.cold.31+0x7f/0x9c [ 493.187022] [] ? zone_watermark_ok_safe+0x250/0x250 [ 493.187031] [] ? shrink_node+0x740/0x740 [ 493.187040] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 493.187048] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 493.187057] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 493.187067] [] ? check_preemption_disabled+0x3b/0x200 [ 493.187074] [] ? find_get_entry+0x11a/0x570 [ 493.187082] [] ? find_get_entry+0x141/0x570 [ 493.187089] [] ? page_cache_prev_hole+0x80/0x80 [ 493.187099] [] ? autoremove_wake_function+0x40/0x40 [ 493.187107] [] ? pagecache_get_page+0x131/0x710 [ 493.187114] [] filemap_fault+0xaf1/0x1110 [ 493.187124] [] ext4_filemap_fault+0x71/0xa0 [ 493.187131] [] __do_fault+0x223/0x500 [ 493.187138] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 493.187146] [] ? handle_mm_fault+0x1d4f/0x2350 [ 493.187154] [] handle_mm_fault+0x1326/0x2350 [ 493.187161] [] ? vm_insert_page+0x6f0/0x6f0 [ 493.187169] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 493.187179] [] __do_page_fault+0x403/0xa60 [ 493.187186] [] ? bad_area_access_error+0x3a0/0x3a0 [ 493.187196] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 493.187204] [] do_page_fault+0x27/0x30 [ 493.187213] [] page_fault+0x25/0x30 [ 493.187216] Mem-Info: [ 493.187235] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 493.187235] active_file:53 inactive_file:53 isolated_file:0 [ 493.187235] unevictable:0 dirty:0 writeback:0 unstable:0 [ 493.187235] slab_reclaimable:4477 slab_unreclaimable:56918 [ 493.187235] mapped:64 shmem:48 pagetables:332 bounce:0 [ 493.187235] free:5992 free_pcp:80 free_cma:0 [ 493.187249] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 493.187275] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 493.187304] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227588kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:200kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 493.187361] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 97*8kB (M) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 493.187411] 0 pages in swap cache [ 493.187415] Swap cache stats: add 0, delete 0, find 0/0 [ 493.187417] Free swap = 0kB [ 493.187419] Total swap = 0kB [ 493.187422] 1965979 pages RAM [ 493.187424] 0 pages HighMem/MovableOnly [ 493.187426] 313617 pages reserved [ 493.258237] rsyslogd: page allocation stalls for 230060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 493.258246] CPU: 1 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 493.258262] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 493.258278] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 493.258289] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 493.258291] Call Trace: [ 493.258307] [] dump_stack+0xc1/0x128 [ 493.258317] [] warn_alloc.cold.31+0x7f/0x9c [ 493.258327] [] ? zone_watermark_ok_safe+0x250/0x250 [ 493.258337] [] ? shrink_node+0x740/0x740 [ 493.258345] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 493.258354] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 493.258363] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 493.258373] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 493.258380] [] ? find_get_entry+0x11a/0x570 [ 493.258388] [] ? find_get_entry+0x141/0x570 [ 493.258395] [] ? page_cache_prev_hole+0x80/0x80 ** 18 printk messages dropped ** [ 493.258575] lowmem_reserve[]: 0 3505 3505 [ 493.258595] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227588kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:200kB local_pcp:112kB free_cma:0kB ** 49 printk messages dropped ** [ 493.526063] lowmem_reserve[]: 0 3505 3505 [ 493.526083] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227588kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:200kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 493.526141] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 97*8kB (M) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 493.526190] 0 pages in swap cache [ 493.526195] Swap cache stats: add 0, delete 0, find 0/0 [ 493.526197] Free swap = 0kB [ 493.526199] Total swap = 0kB [ 493.526201] 1965979 pages RAM [ 493.526204] 0 pages HighMem/MovableOnly [ 493.526206] 313617 pages reserved [ 493.707163] syz-executor922: page allocation stalls for 230030ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 493.707173] CPU: 0 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 493.707189] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 493.707200] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 493.707210] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 493.707212] Call Trace: [ 493.707228] [] dump_stack+0xc1/0x128 [ 493.707238] [] warn_alloc.cold.31+0x7f/0x9c [ 493.707247] [] ? zone_watermark_ok_safe+0x250/0x250 [ 493.707257] [] ? shrink_node+0x740/0x740 [ 493.707266] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 493.707274] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 493.707283] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 493.707290] [] ? quarantine_put+0xd9/0x180 [ 493.707299] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 493.707306] [] ? trace_hardirqs_on+0xd/0x10 [ 493.707317] [] ? anon_vma_prepare+0x62/0x3d0 [ 493.707324] [] wp_page_copy+0x150/0x12a0 [ 493.707331] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 493.707340] [] ? init_wait_entry+0x100/0x100 [ 493.707347] [] ? add_mm_counter_fast+0xc0/0xc0 [ 493.707354] [] ? do_wp_page+0x270/0x2010 [ 493.707361] [] do_wp_page+0x2ae/0x2010 [ 493.707368] [] ? kasan_slab_free+0x119/0x190 [ 493.707376] [] ? vm_normal_page+0x300/0x300 [ 493.707383] [] ? __lock_acquire+0x654/0x4a10 [ 493.707391] [] ? handle_mm_fault+0x481/0x2350 [ 493.707398] [] handle_mm_fault+0xfcb/0x2350 [ 493.707406] [] ? vm_insert_page+0x6f0/0x6f0 [ 493.707413] [] ? validate_mm+0x32e/0x580 [ 493.707420] [] ? memset+0x31/0x40 ** 11 printk messages dropped ** [ 493.707555] lowmem_reserve[]: 0 0 0 [ 493.707610] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 97*8kB (M) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 493.707659] 0 pages in swap cache [ 493.707663] Swap cache stats: add 0, delete 0, find 0/0 [ 493.707665] Free swap = 0kB [ 493.707667] Total swap = 0kB [ 493.707670] 1965979 pages RAM [ 493.707672] 0 pages HighMem/MovableOnly [ 493.707674] 313617 pages reserved [ 493.872322] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 493.872322] to free 96kB on behalf of 'syz-executor922' (2108) because [ 493.872322] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 493.872322] Free memory is -13536kB above reserved [ 494.878511] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 494.878511] to free 96kB on behalf of 'syz-executor922' (2108) because [ 494.878511] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 494.878511] Free memory is -13536kB above reserved [ 495.607181] cron: page allocation stalls for 200010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 495.607191] CPU: 0 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 495.607208] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 495.607218] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 495.607227] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 495.607230] Call Trace: [ 495.607246] [] dump_stack+0xc1/0x128 [ 495.607256] [] warn_alloc.cold.31+0x7f/0x9c [ 495.607265] [] ? zone_watermark_ok_safe+0x250/0x250 [ 495.607275] [] ? shrink_node+0x740/0x740 [ 495.607285] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 495.607293] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 495.607302] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 495.607311] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 495.607319] [] ? find_get_entry+0x11a/0x570 [ 495.607326] [] ? find_get_entry+0x141/0x570 [ 495.607333] [] ? page_cache_prev_hole+0x80/0x80 [ 495.607341] [] ? pagecache_get_page+0x131/0x710 [ 495.607349] [] filemap_fault+0xaf1/0x1110 [ 495.607358] [] ext4_filemap_fault+0x71/0xa0 [ 495.607366] [] __do_fault+0x223/0x500 [ 495.607373] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 495.607381] [] ? generic_file_readonly_mmap+0x190/0x190 [ 495.607389] [] handle_mm_fault+0x1326/0x2350 [ 495.607396] [] ? vm_insert_page+0x6f0/0x6f0 [ 495.607405] [] ? hrtimer_nanosleep+0x38c/0x550 [ 495.607416] [] __do_page_fault+0x403/0xa60 [ 495.607424] [] ? bad_area_access_error+0x3a0/0x3a0 [ 495.607434] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 495.607441] [] do_page_fault+0x27/0x30 [ 495.607450] [] page_fault+0x25/0x30 [ 495.607453] Mem-Info: [ 495.607472] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 495.607472] active_file:53 inactive_file:53 isolated_file:0 [ 495.607472] unevictable:0 dirty:0 writeback:0 unstable:0 [ 495.607472] slab_reclaimable:4477 slab_unreclaimable:56918 [ 495.607472] mapped:64 shmem:48 pagetables:332 bounce:0 [ 495.607472] free:5992 free_pcp:80 free_cma:0 [ 495.607486] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 495.607506] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 495.607534] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227588kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:200kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 495.607591] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 97*8kB (M) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 495.607641] 0 pages in swap cache [ 495.607645] Swap cache stats: add 0, delete 0, find 0/0 [ 495.607647] Free swap = 0kB [ 495.607649] Total swap = 0kB [ 495.607652] 1965979 pages RAM [ 495.607654] 0 pages HighMem/MovableOnly [ 495.607656] 313617 pages reserved [ 495.900992] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 495.900992] to free 96kB on behalf of 'rs:main Q:Reg' (1897) because [ 495.900992] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 495.900992] Free memory is -13536kB above reserved [ 496.905456] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 496.905456] to free 96kB on behalf of 'syz-executor922' (2246) because [ 496.905456] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 496.905456] Free memory is -13536kB above reserved [ 497.915476] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 497.915476] to free 96kB on behalf of 'syz-executor922' (2247) because [ 497.915476] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 497.915476] Free memory is -13536kB above reserved [ 498.951059] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 498.951059] to free 96kB on behalf of 'syz-executor922' (2241) because [ 498.951059] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 498.951059] Free memory is -13536kB above reserved [ 499.955412] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 499.955412] to free 96kB on behalf of 'rsyslogd' (1900) because [ 499.955412] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 499.955412] Free memory is -13536kB above reserved [ 499.955426] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 499.955426] to free 96kB on behalf of 'syz-executor922' (2261) because [ 499.955426] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 499.955426] Free memory is -13536kB above reserved [ 500.965463] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 500.965463] to free 96kB on behalf of 'cron' (1951) because [ 500.965463] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 500.965463] Free memory is -13536kB above reserved [ 501.975416] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 501.975416] to free 96kB on behalf of 'syz-executor922' (2261) because [ 501.975416] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 501.975416] Free memory is -13536kB above reserved [ 502.985421] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 502.985421] to free 96kB on behalf of 'syz-executor922' (2259) because [ 502.985421] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 502.985421] Free memory is -13536kB above reserved [ 503.207466] rsyslogd: page allocation stalls for 240010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 503.207476] CPU: 1 PID: 1900 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 503.207492] ffff8801d3b1f7c0 ffffffff81b42e79 1ffff1003a763efa ffff8801d478c740 [ 503.207503] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b1f908 [ 503.207514] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 503.207516] Call Trace: [ 503.207533] [] dump_stack+0xc1/0x128 [ 503.207543] [] warn_alloc.cold.31+0x7f/0x9c [ 503.207554] [] ? zone_watermark_ok_safe+0x250/0x250 [ 503.207564] [] ? shrink_node+0x740/0x740 [ 503.207574] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 503.207582] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 503.207591] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 503.207601] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 503.207608] [] ? find_get_entry+0x11a/0x570 [ 503.207616] [] ? find_get_entry+0x141/0x570 [ 503.207623] [] ? page_cache_prev_hole+0x80/0x80 [ 503.207631] [] ? pagecache_get_page+0x131/0x710 [ 503.207639] [] filemap_fault+0xaf1/0x1110 [ 503.207648] [] ext4_filemap_fault+0x71/0xa0 [ 503.207656] [] __do_fault+0x223/0x500 [ 503.207663] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 503.207671] [] ? handle_mm_fault+0x1d4f/0x2350 [ 503.207679] [] handle_mm_fault+0x1326/0x2350 [ 503.207686] [] ? vm_insert_page+0x6f0/0x6f0 [ 503.207694] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 503.207704] [] __do_page_fault+0x403/0xa60 [ 503.207712] [] ? bad_area_access_error+0x3a0/0x3a0 [ 503.207722] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 503.207729] [] do_page_fault+0x27/0x30 [ 503.207738] [] page_fault+0x25/0x30 [ 503.207742] Mem-Info: [ 503.207773] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 503.207773] active_file:53 inactive_file:53 isolated_file:0 [ 503.207773] unevictable:0 dirty:0 writeback:0 unstable:0 [ 503.207773] slab_reclaimable:4477 slab_unreclaimable:56918 [ 503.207773] mapped:64 shmem:48 pagetables:332 bounce:0 [ 503.207773] free:5992 free_pcp:80 free_cma:0 [ 503.207787] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 503.207807] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 503.207835] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227588kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:200kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 503.207892] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 97*8kB (M) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 503.207942] 0 pages in swap cache [ 503.207946] Swap cache stats: add 0, delete 0, find 0/0 [ 503.207949] Free swap = 0kB [ 503.207951] Total swap = 0kB [ 503.207953] 1965979 pages RAM [ 503.207956] 0 pages HighMem/MovableOnly [ 503.207958] 313617 pages reserved [ 503.257161] init: page allocation stalls for 240080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 503.257170] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 503.257187] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 503.257197] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 503.257208] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 503.257210] Call Trace: [ 503.257226] [] dump_stack+0xc1/0x128 [ 503.257235] [] warn_alloc.cold.31+0x7f/0x9c [ 503.257245] [] ? zone_watermark_ok_safe+0x250/0x250 [ 503.257254] [] ? shrink_node+0x740/0x740 [ 503.257263] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 503.257271] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 503.257281] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 503.257290] [] ? check_preemption_disabled+0x3b/0x200 [ 503.257298] [] ? find_get_entry+0x11a/0x570 [ 503.257305] [] ? find_get_entry+0x141/0x570 [ 503.257312] [] ? page_cache_prev_hole+0x80/0x80 [ 503.257321] [] ? autoremove_wake_function+0x40/0x40 [ 503.257329] [] ? pagecache_get_page+0x131/0x710 [ 503.257337] [] filemap_fault+0xaf1/0x1110 [ 503.257346] [] ext4_filemap_fault+0x71/0xa0 [ 503.257353] [] __do_fault+0x223/0x500 [ 503.257360] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 503.257368] [] ? handle_mm_fault+0x1d4f/0x2350 [ 503.257376] [] handle_mm_fault+0x1326/0x2350 [ 503.257383] [] ? vm_insert_page+0x6f0/0x6f0 [ 503.257391] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 503.257401] [] __do_page_fault+0x403/0xa60 [ 503.257409] [] ? bad_area_access_error+0x3a0/0x3a0 [ 503.257418] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 503.257426] [] do_page_fault+0x27/0x30 [ 503.257435] [] page_fault+0x25/0x30 [ 503.257438] Mem-Info: [ 503.257457] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 503.257457] active_file:53 inactive_file:53 isolated_file:0 [ 503.257457] unevictable:0 dirty:0 writeback:0 unstable:0 [ 503.257457] slab_reclaimable:4477 slab_unreclaimable:56918 [ 503.257457] mapped:64 shmem:48 pagetables:332 bounce:0 [ 503.257457] free:5992 free_pcp:80 free_cma:0 [ 503.257471] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 503.257491] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 503.257519] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227588kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:200kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 503.257577] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 97*8kB (M) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 503.257626] 0 pages in swap cache [ 503.257630] Swap cache stats: add 0, delete 0, find 0/0 [ 503.257633] Free swap = 0kB [ 503.257635] Total swap = 0kB [ 503.257638] 1965979 pages RAM [ 503.257640] 0 pages HighMem/MovableOnly [ 503.257642] 313617 pages reserved [ 503.515922] rs:main Q:Reg: page allocation stalls for 240030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 40 printk messages dropped ** [ 503.516368] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 97*8kB (M) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 503.516418] 0 pages in swap cache [ 503.516422] Swap cache stats: add 0, delete 0, find 0/0 [ 503.516424] Free swap = 0kB [ 503.516427] Total swap = 0kB [ 503.516429] 1965979 pages RAM [ 503.516431] 0 pages HighMem/MovableOnly [ 503.516434] 313617 pages reserved [ 503.687238] syz-executor922: page allocation stalls for 240010ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 503.687248] CPU: 0 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 503.687264] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 503.687274] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 503.687284] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 503.687286] Call Trace: [ 503.687302] [] dump_stack+0xc1/0x128 [ 503.687312] [] warn_alloc.cold.31+0x7f/0x9c [ 503.687322] [] ? zone_watermark_ok_safe+0x250/0x250 [ 503.687331] [] ? shrink_node+0x740/0x740 [ 503.687340] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 503.687349] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 503.687358] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 503.687365] [] ? quarantine_put+0xd9/0x180 [ 503.687374] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 503.687381] [] ? trace_hardirqs_on+0xd/0x10 [ 503.687392] [] ? anon_vma_prepare+0x62/0x3d0 [ 503.687399] [] wp_page_copy+0x150/0x12a0 [ 503.687406] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 503.687415] [] ? init_wait_entry+0x100/0x100 [ 503.687422] [] ? add_mm_counter_fast+0xc0/0xc0 [ 503.687429] [] ? do_wp_page+0x270/0x2010 [ 503.687436] [] do_wp_page+0x2ae/0x2010 [ 503.687444] [] ? kasan_slab_free+0x119/0x190 [ 503.687451] [] ? vm_normal_page+0x300/0x300 [ 503.687458] [] ? __lock_acquire+0x654/0x4a10 [ 503.687465] [] ? handle_mm_fault+0x481/0x2350 [ 503.687473] [] handle_mm_fault+0xfcb/0x2350 [ 503.687481] [] ? vm_insert_page+0x6f0/0x6f0 [ 503.687488] [] ? validate_mm+0x32e/0x580 [ 503.687495] [] ? memset+0x31/0x40 [ 503.687505] [] __do_page_fault+0x403/0xa60 [ 503.687513] [] ? bad_area_access_error+0x3a0/0x3a0 [ 503.687523] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 503.687530] [] do_page_fault+0x27/0x30 ** 9 printk messages dropped ** [ 503.687722] Normal: 187*4kB (MH) 97*8kB (M) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 503.687727] 0 pages in swap cache [ 503.687731] Swap cache stats: add 0, delete 0, find 0/0 [ 503.687733] Free swap = 0kB [ 503.687735] Total swap = 0kB [ 503.687738] 1965979 pages RAM [ 503.687740] 0 pages HighMem/MovableOnly [ 503.687742] 313617 pages reserved [ 503.995415] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 503.995415] to free 96kB on behalf of 'init' (1) because [ 503.995415] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 503.995415] Free memory is -13536kB above reserved [ 505.005465] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 505.005465] to free 96kB on behalf of 'syz-executor922' (2241) because [ 505.005465] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 505.005465] Free memory is -13536kB above reserved [ 505.615554] cron: page allocation stalls for 210020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 505.615563] CPU: 1 PID: 1951 Comm: cron Not tainted 4.9.141+ #1 [ 505.615580] ffff8801d2fdf7c0 ffffffff81b42e79 1ffff1003a5fbefa ffff8801c5aaaf80 [ 505.615591] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2fdf908 [ 505.615601] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 505.615603] Call Trace: [ 505.615619] [] dump_stack+0xc1/0x128 [ 505.615629] [] warn_alloc.cold.31+0x7f/0x9c [ 505.615639] [] ? zone_watermark_ok_safe+0x250/0x250 [ 505.615649] [] ? shrink_node+0x740/0x740 [ 505.615658] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 505.615666] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 505.615676] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 505.615684] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 505.615692] [] ? find_get_entry+0x11a/0x570 [ 505.615700] [] ? find_get_entry+0x141/0x570 [ 505.615707] [] ? page_cache_prev_hole+0x80/0x80 [ 505.615715] [] ? pagecache_get_page+0x131/0x710 [ 505.615723] [] filemap_fault+0xaf1/0x1110 [ 505.615732] [] ext4_filemap_fault+0x71/0xa0 [ 505.615739] [] __do_fault+0x223/0x500 [ 505.615747] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 505.615755] [] ? generic_file_readonly_mmap+0x190/0x190 [ 505.615763] [] handle_mm_fault+0x1326/0x2350 [ 505.615771] [] ? vm_insert_page+0x6f0/0x6f0 [ 505.615780] [] ? hrtimer_nanosleep+0x38c/0x550 [ 505.615789] [] __do_page_fault+0x403/0xa60 [ 505.615797] [] ? bad_area_access_error+0x3a0/0x3a0 [ 505.615807] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 505.615815] [] do_page_fault+0x27/0x30 [ 505.615823] [] page_fault+0x25/0x30 [ 505.615827] Mem-Info: [ 505.615846] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 505.615846] active_file:53 inactive_file:53 isolated_file:0 [ 505.615846] unevictable:0 dirty:0 writeback:0 unstable:0 [ 505.615846] slab_reclaimable:4477 slab_unreclaimable:56918 [ 505.615846] mapped:64 shmem:48 pagetables:332 bounce:0 [ 505.615846] free:5992 free_pcp:80 free_cma:0 [ 505.615860] Node 0 active_anon:12456kB inactive_anon:164kB active_file:212kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 505.615880] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 505.615908] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227588kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:200kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 505.615965] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 97*8kB (M) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 505.616015] 0 pages in swap cache [ 505.616019] Swap cache stats: add 0, delete 0, find 0/0 [ 505.616022] Free swap = 0kB [ 505.616024] Total swap = 0kB [ 505.616026] 1965979 pages RAM [ 505.616029] 0 pages HighMem/MovableOnly [ 505.616031] 313617 pages reserved [ 506.025114] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 506.025114] to free 96kB on behalf of 'syz-executor922' (2261) because [ 506.025114] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 506.025114] Free memory is -13536kB above reserved [ 507.025417] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 507.025417] to free 96kB on behalf of 'syz-executor922' (2263) because [ 507.025417] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 507.025417] Free memory is -13536kB above reserved [ 508.035421] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 508.035421] to free 96kB on behalf of 'syz-executor922' (2260) because [ 508.035421] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 508.035421] Free memory is -13536kB above reserved [ 509.045495] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 509.045495] to free 96kB on behalf of 'init' (1) because [ 509.045495] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 509.045495] Free memory is -13536kB above reserved [ 510.055411] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 510.055411] to free 96kB on behalf of 'cron' (1951) because [ 510.055411] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 510.055411] Free memory is -13536kB above reserved [ 510.055423] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 510.055423] to free 96kB on behalf of 'syz-executor922' (2263) because [ 510.055423] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 510.055423] Free memory is -13536kB above reserved [ 511.081744] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 511.081744] to free 96kB on behalf of 'syz-executor922' (2261) because [ 511.081744] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 511.081744] Free memory is -13536kB above reserved [ 512.085378] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 512.085378] to free 96kB on behalf of 'syz-executor922' (2259) because [ 512.085378] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 512.085378] Free memory is -13536kB above reserved [ 513.095409] lowmemorykiller: Killing 'syz-executor922' (2263) (tgid 2249), adj 1000, [ 513.095409] to free 96kB on behalf of 'syz-executor922' (2263) because [ 513.095409] cache 424kB is below limit 6144kB for oom_score_adj 0 [ 513.095409] Free memory is -13536kB above reserved [ 513.213097] init: page allocation stalls for 250030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 513.213106] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 513.213123] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 513.213133] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 513.213144] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 513.213146] Call Trace: [ 513.213162] [] dump_stack+0xc1/0x128 [ 513.213172] [] warn_alloc.cold.31+0x7f/0x9c [ 513.213182] [] ? zone_watermark_ok_safe+0x250/0x250 [ 513.213191] [] ? shrink_node+0x740/0x740 [ 513.213200] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 513.213209] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 513.213218] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 513.213227] [] ? check_preemption_disabled+0x3b/0x200 [ 513.213235] [] ? find_get_entry+0x11a/0x570 [ 513.213243] [] ? find_get_entry+0x141/0x570 [ 513.213250] [] ? page_cache_prev_hole+0x80/0x80 [ 513.213259] [] ? autoremove_wake_function+0x40/0x40 [ 513.213267] [] ? pagecache_get_page+0x131/0x710 [ 513.213275] [] filemap_fault+0xaf1/0x1110 [ 513.213284] [] ext4_filemap_fault+0x71/0xa0 [ 513.213292] [] __do_fault+0x223/0x500 [ 513.213299] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 513.213307] [] ? handle_mm_fault+0x1d4f/0x2350 [ 513.213315] [] handle_mm_fault+0x1326/0x2350 [ 513.213322] [] ? vm_insert_page+0x6f0/0x6f0 [ 513.213330] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 513.213340] [] __do_page_fault+0x403/0xa60 [ 513.213348] [] ? bad_area_access_error+0x3a0/0x3a0 [ 513.213358] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 513.213365] [] do_page_fault+0x27/0x30 [ 513.213374] [] page_fault+0x25/0x30 [ 513.213377] Mem-Info: [ 513.213396] active_anon:3114 inactive_anon:41 isolated_anon:0 [ 513.213396] active_file:53 inactive_file:53 isolated_file:0 [ 513.213396] unevictable:0 dirty:0 writeback:0 unstable:0 [ 513.213396] slab_reclaimable:4477 slab_unreclaimable:56918 [ 513.213396] mapped:64 shmem:48 pagetables:332 bounce:0 [ 513.213396] free:5992 free_pcp:80 free_cma:0 ** 1 printk messages dropped ** [ 513.213430] DMA32 free:18652kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:84kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 48 printk messages dropped ** [ 513.236028] lowmem_reserve[]: 0 3505 3505 [ 513.236048] Normal free:5316kB min:5580kB low:9168kB high:12756kB active_anon:12428kB inactive_anon:164kB active_file:180kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17908kB slab_unreclaimable:227588kB kernel_stack:3648kB pagetables:1328kB bounce:0kB free_pcp:200kB local_pcp:88kB free_cma:0kB ** 51 printk messages dropped ** [ 513.519058] lowmem_reserve[]: 0 0 0 [ 513.519108] DMA32: 13*4kB (M) 19*8kB (UM) 11*16kB (M) 13*32kB (UM) 11*64kB (UM) 4*128kB (M) 3*256kB (M) 19*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 18652kB Normal: 187*4kB (MH) 97*8kB (M) 63*16kB (MH) 27*32kB (UMH) 12*64kB (MH) 3*128kB (UMH) 3*256kB (UH) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5316kB 154 total pagecache pages [ 513.519157] 0 pages in swap cache [ 513.519162] Swap cache stats: add 0, delete 0, find 0/0 [ 513.519164] Free swap = 0kB [ 513.519166] Total swap = 0kB [ 513.519169] 1965979 pages RAM [ 513.519171] 0 pages HighMem/MovableOnly [ 513.519173] 313617 pages reserved [ 513.745417] syz-executor922: page allocation stalls for 250060ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 513.745426] CPU: 0 PID: 2108 Comm: syz-executor922 Not tainted 4.9.141+ #1 [ 513.745441] ffff8801cc6f7700 ffffffff81b42e79 1ffff100398deee2 ffff8801cc7daf80 [ 513.745451] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc6f7848 [ 513.745461] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 513.745463] Call Trace: [ 513.745479] [] dump_stack+0xc1/0x128 [ 513.745489] [] warn_alloc.cold.31+0x7f/0x9c [ 513.745498] [] ? zone_watermark_ok_safe+0x250/0x250 [ 513.745507] [] ? shrink_node+0x740/0x740 [ 513.745516] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 513.745524] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 513.745534] [] ? gfp_pfmemalloc_allowed+0x110/0x110