INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.69' (ECDSA) to the list of known hosts. 2019/08/22 05:27:20 parsed 1 programs 2019/08/22 05:27:21 executed programs: 0 [ 766.708437] audit: type=1400 audit(1566451641.530:5): avc: denied { sys_admin } for pid=2167 comm="syz-executor.0" 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 [ 766.708442] audit: type=1400 audit(1566451641.530:6): avc: denied { sys_admin } for pid=2169 comm="syz-executor.1" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 766.743623] audit: type=1400 audit(1566451641.560:7): avc: denied { net_admin } for pid=2175 comm="syz-executor.1" 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 [ 767.015339] audit: type=1400 audit(1566451641.840:8): avc: denied { sys_chroot } for pid=2179 comm="syz-executor.3" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 767.043578] audit: type=1400 audit(1566451641.870:9): avc: denied { associate } for pid=2178 comm="syz-executor.4" name="syz4" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 768.255369] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 768.255369] to free 1088kB on behalf of 'kswapd0' (33) because [ 768.255369] cache 54080kB is below limit 65536kB for oom_score_adj 12 [ 768.255369] Free memory is -13140kB above reserved [ 768.283959] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 768.283959] to free 1088kB on behalf of 'syz-executor.1' (2338) because [ 768.283959] cache 51896kB is below limit 65536kB for oom_score_adj 12 [ 768.283959] Free memory is -13352kB above reserved [ 768.792928] oom_reaper: reaped process 2347 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 768.813394] oom_reaper: reaped process 2338 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 768.820683] syz-executor.0: vmalloc: allocation failure, allocated 1029603328 of 4228063232 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 768.820690] CPU: 0 PID: 2347 Comm: syz-executor.0 Not tainted 4.9.141+ #1 [ 768.820702] ffff8801be327958 ffffffff81b42e79 1ffff10037c64f2d dffffc0000000000 [ 768.820708] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801be327aa0 [ 768.820713] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 768.820714] Call Trace: [ 768.820728] [] dump_stack+0xc1/0x128 [ 768.820735] [] warn_alloc.cold.31+0x7f/0x9c [ 768.820742] [] ? zone_watermark_ok_safe+0x250/0x250 [ 768.820749] [] ? retint_kernel+0x2d/0x2d [ 768.820755] [] __vmalloc_node_range+0x3f8/0x600 [ 768.820762] [] ? xt_alloc_table_info+0xc9/0x100 [ 768.820765] [] vmalloc+0x5b/0x70 [ 768.820769] [] ? xt_alloc_table_info+0xc9/0x100 [ 768.820773] [] xt_alloc_table_info+0xc9/0x100 [ 768.820780] [] do_replace.isra.7+0xfd/0x470 [ 768.820786] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 768.820791] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 768.820796] [] ? selinux_capable+0x36/0x40 [ 768.820803] [] ? ns_capable_common+0x12a/0x150 [ 768.820808] [] do_arpt_set_ctl+0xff/0x140 [ 768.820814] [] nf_setsockopt+0x6d/0xc0 [ 768.820820] [] ip_setsockopt+0x88/0xa0 [ 768.820825] [] tcp_setsockopt+0x88/0xe0 [ 768.820831] [] sock_common_setsockopt+0x9a/0xe0 [ 768.820836] [] SyS_setsockopt+0x166/0x260 [ 768.820839] [] ? SyS_recv+0x40/0x40 [ 768.820846] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 768.820850] [] ? SyS_clock_settime+0x220/0x220 [ 768.820855] [] ? do_syscall_64+0x48/0x550 [ 768.820858] [] ? SyS_recv+0x40/0x40 [ 768.820862] [] do_syscall_64+0x19f/0x550 [ 768.820866] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 768.820869] Mem-Info: [ 768.820879] active_anon:5099 inactive_anon:41 isolated_anon:0 [ 768.820879] active_file:0 inactive_file:52 isolated_file:0 [ 768.820879] unevictable:0 dirty:0 writeback:0 unstable:0 [ 768.820879] slab_reclaimable:4611 slab_unreclaimable:56995 [ 768.820879] mapped:14 shmem:48 pagetables:386 bounce:0 [ 768.820879] free:0 free_pcp:20 free_cma:0 [ 768.820887] Node 0 active_anon:20396kB inactive_anon:164kB active_file:0kB inactive_file:208kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:10 all_unreclaimable? yes [ 768.820896] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:16kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 768.820910] Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:20396kB inactive_anon:164kB active_file:0kB inactive_file:208kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:227964kB kernel_stack:3904kB pagetables:1544kB bounce:0kB free_pcp:80kB local_pcp:8kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 768.820929] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 122 total pagecache pages [ 768.820947] 0 pages in swap cache [ 768.820949] Swap cache stats: add 0, delete 0, find 0/0 [ 768.820951] Free swap = 0kB [ 768.820952] Total swap = 0kB [ 768.820953] 1965979 pages RAM [ 768.820954] 0 pages HighMem/MovableOnly [ 768.820955] 313617 pages reserved [ 768.838966] syz-executor.1: vmalloc: allocation failure, allocated 1030299648 of 4228063232 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 768.838972] CPU: 1 PID: 2338 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 768.838982] ffff8801c2777958 ffffffff81b42e79 1ffff100384eef2d dffffc0000000000 [ 768.838988] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801c2777aa0 [ 768.838994] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 768.838995] Call Trace: [ 768.839009] [] dump_stack+0xc1/0x128 [ 768.839018] [] warn_alloc.cold.31+0x7f/0x9c [ 768.839025] [] ? zone_watermark_ok_safe+0x250/0x250 [ 768.839031] [] __vmalloc_node_range+0x3f8/0x600 [ 768.839039] [] ? xt_alloc_table_info+0xc9/0x100 [ 768.839042] [] vmalloc+0x5b/0x70 [ 768.839046] [] ? xt_alloc_table_info+0xc9/0x100 [ 768.839050] [] xt_alloc_table_info+0xc9/0x100 [ 768.839059] [] do_replace.isra.7+0xfd/0x470 [ 768.839066] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 768.839071] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 768.839077] [] ? selinux_capable+0x36/0x40 [ 768.839084] [] ? ns_capable_common+0x12a/0x150 [ 768.839089] [] do_arpt_set_ctl+0xff/0x140 [ 768.839095] [] nf_setsockopt+0x6d/0xc0 [ 768.839102] [] ip_setsockopt+0x88/0xa0 [ 768.839107] [] tcp_setsockopt+0x88/0xe0 [ 768.839114] [] sock_common_setsockopt+0x9a/0xe0 [ 768.839119] [] SyS_setsockopt+0x166/0x260 [ 768.839123] [] ? SyS_recv+0x40/0x40 [ 768.839131] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 768.839135] [] ? SyS_clock_settime+0x220/0x220 [ 768.839141] [] ? do_syscall_64+0x48/0x550 [ 768.839144] [] ? SyS_recv+0x40/0x40 [ 768.839148] [] do_syscall_64+0x19f/0x550 [ 768.839155] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 768.839157] Mem-Info: [ 768.839168] active_anon:5099 inactive_anon:41 isolated_anon:0 [ 768.839168] active_file:0 inactive_file:52 isolated_file:0 [ 768.839168] unevictable:0 dirty:0 writeback:0 unstable:0 [ 768.839168] slab_reclaimable:4611 slab_unreclaimable:56995 [ 768.839168] mapped:14 shmem:48 pagetables:386 bounce:0 [ 768.839168] free:0 free_pcp:4 free_cma:0 [ 768.839176] Node 0 active_anon:20396kB inactive_anon:164kB active_file:0kB inactive_file:208kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:10 all_unreclaimable? yes [ 768.839186] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:16kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 768.839201] Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:20396kB inactive_anon:164kB active_file:0kB inactive_file:208kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:227964kB kernel_stack:3904kB pagetables:1544kB bounce:0kB free_pcp:16kB local_pcp:8kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 768.839221] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 122 total pagecache pages [ 768.839239] 0 pages in swap cache [ 768.839242] Swap cache stats: add 0, delete 0, find 0/0 [ 768.839243] Free swap = 0kB [ 768.839245] Total swap = 0kB [ 768.839247] 1965979 pages RAM [ 768.839248] 0 pages HighMem/MovableOnly [ 768.839250] 313617 pages reserved [ 769.432895] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 769.432895] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 769.432895] cache 184kB is below limit 6144kB for oom_score_adj 0 [ 769.432895] Free memory is -37504kB above reserved [ 769.445631] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 769.445631] to free 124kB on behalf of 'kswapd0' (33) because [ 769.445631] cache 184kB is below limit 6144kB for oom_score_adj 0 [ 769.445631] Free memory is -37504kB above reserved [ 770.453035] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 770.453035] to free 124kB on behalf of 'syz-executor.1' (2175) because [ 770.453035] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 770.453035] Free memory is -37428kB above reserved [ 770.453046] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 770.453046] to free 124kB on behalf of 'syz-execprog' (2156) because [ 770.453046] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 770.453046] Free memory is -37428kB above reserved [ 770.684109] syz-executor.3: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 770.684116] CPU: 1 PID: 2179 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 770.684127] ffff8801db707468 ffffffff81b42e79 1ffff1003b6e0e8f ffff8801c9820000 [ 770.684133] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db7075b0 [ 770.684139] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 770.684141] Call Trace: [ 770.684154] [ 770.684155] [] dump_stack+0xc1/0x128 [ 770.684163] [] warn_alloc.cold.31+0x7f/0x9c [ 770.684170] [] ? zone_watermark_ok_safe+0x250/0x250 [ 770.684175] [] ? get_page_from_freelist+0x23e/0x1d80 [ 770.684181] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 770.684187] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.684193] [] ? trace_hardirqs_on+0x10/0x10 [ 770.684199] [] ? pcpu_chunk_relocate+0x257/0x4d0 [ 770.684204] [] ? pcpu_alloc_area+0x697/0xd10 [ 770.684210] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.684215] [] ? mark_held_locks+0xc7/0x130 [ 770.684221] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 770.684226] [] new_slab+0x367/0x3d0 [ 770.684232] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 770.684239] [] ? dst_cow_metrics_generic+0x50/0x130 [ 770.684243] [] ? pcpu_populate_chunk+0x7e0/0x7e0 [ 770.684248] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 770.684253] [] ? dst_init+0x48a/0x5b0 [ 770.684259] [] ? check_preemption_disabled+0x3b/0x200 [ 770.684265] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 770.684270] [] ? dst_cow_metrics_generic+0x50/0x130 [ 770.684275] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 770.684281] [] kmem_cache_alloc_trace+0x23c/0x2e0 [ 770.684286] [] ? dst_cow_metrics_generic+0x50/0x130 [ 770.684291] [] dst_cow_metrics_generic+0x50/0x130 [ 770.684296] [] ipv6_cow_metrics+0x78/0x180 [ 770.684301] [] icmp6_dst_alloc+0x46b/0x610 [ 770.684306] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 770.684311] [] ndisc_send_skb+0xcec/0x12e0 [ 770.684316] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 770.684321] [] ? ndisc_alloc_skb+0x330/0x330 [ 770.684325] [] ? memset+0x31/0x40 [ 770.684331] [] ? __alloc_skb+0x3ae/0x5b0 [ 770.684336] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 770.684340] [] ? ipv6_get_ifaddr+0x300/0x510 [ 770.684346] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 770.684351] [] ndisc_send_rs+0x12a/0x670 [ 770.684355] [] addrconf_rs_timer+0x27e/0x5a0 [ 770.684360] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.684365] [] call_timer_fn+0x163/0x6e0 [ 770.684369] [] ? call_timer_fn+0xda/0x6e0 [ 770.684373] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.684377] [] ? process_timeout+0x20/0x20 [ 770.684382] [] ? mark_held_locks+0xc7/0x130 [ 770.684386] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 770.684390] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.684395] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 770.684399] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.684403] [] expire_timers+0x234/0x580 [ 770.684408] [] ? collect_expired_timers+0x1d5/0x2b0 [ 770.684413] [] run_timer_softirq+0x208/0x5e0 [ 770.684419] [] ? expire_timers+0x580/0x580 [ 770.684424] [] ? check_preemption_disabled+0x3b/0x200 [ 770.684430] [] __do_softirq+0x20e/0x964 [ 770.684434] [] ? check_preemption_disabled+0x3b/0x200 [ 770.684439] [] irq_exit+0x11c/0x150 [ 770.684444] [] smp_apic_timer_interrupt+0x81/0xb0 [ 770.684449] [] apic_timer_interrupt+0x9d/0xb0 [ 770.684455] [ 770.684456] [] ? do_raw_spin_unlock+0x12/0x210 [ 770.684460] [] _raw_spin_unlock+0x22/0x50 [ 770.684465] [] lowmem_scan+0x4d6/0xaf0 [ 770.684469] [] ? lowmem_scan+0x24e/0xaf0 [ 770.684474] [] ? check_preemption_disabled+0x3b/0x200 [ 770.684480] [] shrink_slab.part.8+0x3c6/0xa00 [ 770.684485] [] ? unregister_shrinker+0x230/0x230 [ 770.684490] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 770.684495] [] shrink_node+0x1ed/0x740 [ 770.684500] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 770.684506] [] ? __delayacct_freepages_start+0x41/0x80 [ 770.684511] [] try_to_free_pages+0x377/0xb80 [ 770.684516] [] ? shrink_node+0x740/0x740 [ 770.684522] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 770.684526] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.684532] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.684537] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 770.684542] [] ? find_get_entry+0x11a/0x570 [ 770.684546] [] ? find_get_entry+0x141/0x570 [ 770.684551] [] ? page_cache_prev_hole+0x80/0x80 [ 770.684556] [] ? pagecache_get_page+0x131/0x710 [ 770.684561] [] filemap_fault+0xaf1/0x1110 [ 770.684567] [] ext4_filemap_fault+0x71/0xa0 [ 770.684571] [] __do_fault+0x223/0x500 [ 770.684576] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 770.684581] [] ? generic_file_readonly_mmap+0x190/0x190 [ 770.684585] [] handle_mm_fault+0x1326/0x2350 [ 770.684590] [] ? vm_insert_page+0x6f0/0x6f0 [ 770.684595] [] ? hrtimer_nanosleep+0x38c/0x550 [ 770.684601] [] __do_page_fault+0x403/0xa60 [ 770.684606] [] ? bad_area_access_error+0x3a0/0x3a0 [ 770.684612] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 770.684617] [] do_page_fault+0x27/0x30 [ 770.684621] [] page_fault+0x25/0x30 [ 770.684624] Mem-Info: [ 770.684636] active_anon:5063 inactive_anon:41 isolated_anon:0 [ 770.684636] active_file:0 inactive_file:31 isolated_file:0 [ 770.684636] unevictable:0 dirty:0 writeback:0 unstable:0 [ 770.684636] slab_reclaimable:4611 slab_unreclaimable:56995 [ 770.684636] mapped:3 shmem:48 pagetables:386 bounce:0 [ 770.684636] free:19 free_pcp:0 free_cma:0 [ 770.684644] Node 0 active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:15 all_unreclaimable? yes [ 770.684656] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:16kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 770.684673] Normal free:76kB min:5580kB low:9168kB high:12756kB active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:227964kB kernel_stack:3904kB pagetables:1544kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 770.684699] 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: 19*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 76kB 79 total pagecache pages [ 770.684722] 0 pages in swap cache [ 770.684725] Swap cache stats: add 0, delete 0, find 0/0 [ 770.684727] Free swap = 0kB [ 770.684728] Total swap = 0kB [ 770.684730] 1965979 pages RAM [ 770.684731] 0 pages HighMem/MovableOnly [ 770.684733] 313617 pages reserved [ 770.684830] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 770.684833] cache: kmalloc-96, object size: 96, buffer size: 128, default order: 0, min order: 0 [ 770.684842] node 0: slabs: 100, objs: 3200, free: 0 [ 770.684900] syz-executor.3: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 770.684905] CPU: 1 PID: 2179 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 770.684917] ffff8801db707468 ffffffff81b42e79 1ffff1003b6e0e8f ffff8801c9820000 [ 770.684924] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db7075b0 [ 770.684930] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 770.684931] Call Trace: [ 770.684938] [ 770.684938] [] dump_stack+0xc1/0x128 [ 770.684943] [] warn_alloc.cold.31+0x7f/0x9c [ 770.684948] [] ? zone_watermark_ok_safe+0x250/0x250 [ 770.684954] [] ? get_page_from_freelist+0x23e/0x1d80 [ 770.684959] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 770.684965] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.684969] [] ? trace_hardirqs_on+0x10/0x10 [ 770.684974] [] ? pcpu_chunk_relocate+0x257/0x4d0 [ 770.684979] [] ? pcpu_alloc_area+0x697/0xd10 [ 770.684984] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.684988] [] ? mark_held_locks+0xc7/0x130 [ 770.684993] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 770.684997] [] new_slab+0x367/0x3d0 [ 770.685003] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 770.685008] [] ? dst_cow_metrics_generic+0x50/0x130 [ 770.685013] [] ? pcpu_populate_chunk+0x7e0/0x7e0 [ 770.685018] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 770.685022] [] ? dst_init+0x48a/0x5b0 [ 770.685027] [] ? check_preemption_disabled+0x3b/0x200 [ 770.685032] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 770.685037] [] ? dst_cow_metrics_generic+0x50/0x130 [ 770.685042] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 770.685048] [] kmem_cache_alloc_trace+0x23c/0x2e0 [ 770.685053] [] ? dst_cow_metrics_generic+0x50/0x130 [ 770.685058] [] dst_cow_metrics_generic+0x50/0x130 [ 770.685063] [] ipv6_cow_metrics+0x78/0x180 [ 770.685067] [] icmp6_dst_alloc+0x46b/0x610 [ 770.685072] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 770.685077] [] ndisc_send_skb+0xcec/0x12e0 [ 770.685082] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 770.685087] [] ? ndisc_alloc_skb+0x330/0x330 [ 770.685091] [] ? memset+0x31/0x40 [ 770.685096] [] ? __alloc_skb+0x3ae/0x5b0 [ 770.685102] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 770.685106] [] ? ipv6_get_ifaddr+0x300/0x510 [ 770.685111] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 770.685116] [] ndisc_send_rs+0x12a/0x670 [ 770.685121] [] addrconf_rs_timer+0x27e/0x5a0 [ 770.685125] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.685130] [] call_timer_fn+0x163/0x6e0 [ 770.685134] [] ? call_timer_fn+0xda/0x6e0 [ 770.685138] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.685142] [] ? process_timeout+0x20/0x20 [ 770.685146] [] ? mark_held_locks+0xc7/0x130 [ 770.685151] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 770.685155] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.685160] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 770.685164] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.685168] [] expire_timers+0x234/0x580 [ 770.685173] [] ? collect_expired_timers+0x1d5/0x2b0 [ 770.685177] [] run_timer_softirq+0x208/0x5e0 [ 770.685181] [] ? expire_timers+0x580/0x580 [ 770.685186] [] ? check_preemption_disabled+0x3b/0x200 [ 770.685191] [] __do_softirq+0x20e/0x964 [ 770.685196] [] ? check_preemption_disabled+0x3b/0x200 [ 770.685201] [] irq_exit+0x11c/0x150 [ 770.685206] [] smp_apic_timer_interrupt+0x81/0xb0 [ 770.685210] [] apic_timer_interrupt+0x9d/0xb0 [ 770.685217] [ 770.685217] [] ? do_raw_spin_unlock+0x12/0x210 [ 770.685221] [] _raw_spin_unlock+0x22/0x50 [ 770.685226] [] lowmem_scan+0x4d6/0xaf0 [ 770.685230] [] ? lowmem_scan+0x24e/0xaf0 [ 770.685234] [] ? check_preemption_disabled+0x3b/0x200 [ 770.685240] [] shrink_slab.part.8+0x3c6/0xa00 [ 770.685245] [] ? unregister_shrinker+0x230/0x230 [ 770.685250] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 770.685255] [] shrink_node+0x1ed/0x740 [ 770.685260] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 770.685265] [] ? __delayacct_freepages_start+0x41/0x80 [ 770.685270] [] try_to_free_pages+0x377/0xb80 [ 770.685275] [] ? shrink_node+0x740/0x740 [ 770.685281] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 770.685285] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.685291] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.685296] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 770.685301] [] ? find_get_entry+0x11a/0x570 [ 770.685305] [] ? find_get_entry+0x141/0x570 [ 770.685310] [] ? page_cache_prev_hole+0x80/0x80 [ 770.685315] [] ? pagecache_get_page+0x131/0x710 [ 770.685319] [] filemap_fault+0xaf1/0x1110 [ 770.685324] [] ext4_filemap_fault+0x71/0xa0 [ 770.685329] [] __do_fault+0x223/0x500 [ 770.685333] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 770.685338] [] ? generic_file_readonly_mmap+0x190/0x190 [ 770.685343] [] handle_mm_fault+0x1326/0x2350 [ 770.685347] [] ? vm_insert_page+0x6f0/0x6f0 [ 770.685352] [] ? hrtimer_nanosleep+0x38c/0x550 [ 770.685357] [] __do_page_fault+0x403/0xa60 [ 770.685362] [] ? bad_area_access_error+0x3a0/0x3a0 [ 770.685368] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 770.685372] [] do_page_fault+0x27/0x30 [ 770.685376] [] page_fault+0x25/0x30 [ 770.685378] Mem-Info: [ 770.685388] active_anon:5063 inactive_anon:41 isolated_anon:0 [ 770.685388] active_file:0 inactive_file:31 isolated_file:0 [ 770.685388] unevictable:0 dirty:0 writeback:0 unstable:0 [ 770.685388] slab_reclaimable:4611 slab_unreclaimable:56995 [ 770.685388] mapped:3 shmem:48 pagetables:386 bounce:0 [ 770.685388] free:19 free_pcp:0 free_cma:0 [ 770.685396] Node 0 active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:15 all_unreclaimable? yes [ 770.685407] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:16kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 770.685425] Normal free:76kB min:5580kB low:9168kB high:12756kB active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:227964kB kernel_stack:3904kB pagetables:1544kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 770.685447] 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: 19*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 76kB 79 total pagecache pages [ 770.685469] 0 pages in swap cache [ 770.685471] Swap cache stats: add 0, delete 0, find 0/0 [ 770.685472] Free swap = 0kB [ 770.685473] Total swap = 0kB [ 770.685475] 1965979 pages RAM [ 770.685476] 0 pages HighMem/MovableOnly [ 770.685477] 313617 pages reserved [ 770.685481] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 770.685484] cache: kmalloc-96, object size: 96, buffer size: 128, default order: 0, min order: 0 [ 770.685487] node 0: slabs: 100, objs: 3200, free: 0 [ 770.762794] syz-executor.2: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 770.762800] CPU: 0 PID: 2177 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 770.762812] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb ffff8801ca2ddf00 [ 770.762818] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 770.762824] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 770.762825] Call Trace: [ 770.762840] [ 770.762841] [] dump_stack+0xc1/0x128 [ 770.762848] [] warn_alloc.cold.31+0x7f/0x9c [ 770.762855] [] ? zone_watermark_ok_safe+0x250/0x250 [ 770.762861] [] ? trace_hardirqs_on+0xd/0x10 [ 770.762867] [] ? get_page_from_freelist+0x23e/0x1d80 [ 770.762872] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 770.762877] [] ? __lock_acquire+0x654/0x4a10 [ 770.762882] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.762887] [] ? trace_hardirqs_on+0x10/0x10 [ 770.762892] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 770.762898] [] ? _find_next_bit.part.0+0xe0/0x120 [ 770.762904] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.762910] [] new_slab+0x367/0x3d0 [ 770.762916] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 770.762923] [] ? __alloc_skb+0xe6/0x5b0 [ 770.762927] [] ? trace_hardirqs_on+0x10/0x10 [ 770.762932] [] ? check_preemption_disabled+0x3b/0x200 [ 770.762937] [] ? __alloc_skb+0xe6/0x5b0 [ 770.762943] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 770.762948] [] ? __alloc_skb+0xe6/0x5b0 [ 770.762953] [] kmem_cache_alloc+0x212/0x2b0 [ 770.762957] [] ? mark_held_locks+0xc7/0x130 [ 770.762962] [] __alloc_skb+0xe6/0x5b0 [ 770.762967] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 770.762972] [] ? ipv6_get_ifaddr+0x300/0x510 [ 770.762977] [] ? trace_hardirqs_on+0xd/0x10 [ 770.762982] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 770.762987] [] ndisc_alloc_skb+0x144/0x330 [ 770.762993] [] ndisc_send_rs+0x2ff/0x670 [ 770.762997] [] ? __ipv6_get_lladdr+0x250/0x250 [ 770.763002] [] addrconf_rs_timer+0x27e/0x5a0 [ 770.763006] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.763011] [] call_timer_fn+0x163/0x6e0 [ 770.763015] [] ? call_timer_fn+0xda/0x6e0 [ 770.763020] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.763024] [] ? process_timeout+0x20/0x20 [ 770.763028] [] ? mark_held_locks+0xc7/0x130 [ 770.763033] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 770.763038] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.763042] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 770.763046] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.763050] [] expire_timers+0x234/0x580 [ 770.763055] [] ? collect_expired_timers+0x1d5/0x2b0 [ 770.763059] [] run_timer_softirq+0x208/0x5e0 [ 770.763064] [] ? expire_timers+0x580/0x580 [ 770.763069] [] ? check_preemption_disabled+0x3b/0x200 [ 770.763074] [] __do_softirq+0x20e/0x964 [ 770.763079] [] ? check_preemption_disabled+0x3b/0x200 [ 770.763083] [] irq_exit+0x11c/0x150 [ 770.763089] [] smp_apic_timer_interrupt+0x81/0xb0 [ 770.763093] [] apic_timer_interrupt+0x9d/0xb0 [ 770.763100] [ 770.763100] [] ? lock_release+0x63/0xc20 [ 770.763105] [] ? find_lock_task_mm+0xf1/0x270 [ 770.763110] [] ? check_preemption_disabled+0x3b/0x200 [ 770.763114] [] ? wake_oom_reaper+0xf0/0xf0 [ 770.763119] [] ? find_lock_task_mm+0x134/0x270 [ 770.763124] [] find_lock_task_mm+0x15b/0x270 [ 770.763129] [] ? wake_oom_reaper+0xf0/0xf0 [ 770.763133] [] lowmem_scan+0x34f/0xaf0 [ 770.763137] [] ? lowmem_scan+0x24e/0xaf0 [ 770.763142] [] ? check_preemption_disabled+0x3b/0x200 [ 770.763148] [] shrink_slab.part.8+0x3c6/0xa00 [ 770.763153] [] ? unregister_shrinker+0x230/0x230 [ 770.763158] [] shrink_node+0x1ed/0x740 [ 770.763163] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 770.763169] [] ? __delayacct_freepages_start+0x41/0x80 [ 770.763174] [] try_to_free_pages+0x377/0xb80 [ 770.763179] [] ? shrink_node+0x740/0x740 [ 770.763185] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 770.763189] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.763195] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.763200] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 770.763205] [] ? find_get_entry+0x11a/0x570 [ 770.763210] [] ? find_get_entry+0x141/0x570 [ 770.763214] [] ? page_cache_prev_hole+0x80/0x80 [ 770.763219] [] ? autoremove_wake_function+0x40/0x40 [ 770.763224] [] ? pagecache_get_page+0x131/0x710 [ 770.763229] [] filemap_fault+0xaf1/0x1110 [ 770.763235] [] ext4_filemap_fault+0x71/0xa0 [ 770.763240] [] __do_fault+0x223/0x500 [ 770.763244] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 770.763249] [] ? generic_file_readonly_mmap+0x190/0x190 [ 770.763254] [] handle_mm_fault+0x1326/0x2350 [ 770.763259] [] ? vm_insert_page+0x6f0/0x6f0 [ 770.763263] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.763269] [] __do_page_fault+0x403/0xa60 [ 770.763274] [] ? bad_area_access_error+0x3a0/0x3a0 [ 770.763280] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 770.763284] [] do_page_fault+0x27/0x30 [ 770.763289] [] page_fault+0x25/0x30 [ 770.763291] Mem-Info: [ 770.763303] active_anon:5063 inactive_anon:41 isolated_anon:0 [ 770.763303] active_file:0 inactive_file:31 isolated_file:0 [ 770.763303] unevictable:0 dirty:0 writeback:0 unstable:0 [ 770.763303] slab_reclaimable:4611 slab_unreclaimable:56995 [ 770.763303] mapped:3 shmem:48 pagetables:386 bounce:0 [ 770.763303] free:19 free_pcp:0 free_cma:0 [ 770.763311] Node 0 active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:15 all_unreclaimable? yes [ 770.763323] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:16kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 770.763340] Normal free:76kB min:5580kB low:9168kB high:12756kB active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:227964kB kernel_stack:3904kB pagetables:1544kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 770.763363] 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: 19*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 76kB 79 total pagecache pages [ 770.763385] 0 pages in swap cache [ 770.763388] Swap cache stats: add 0, delete 0, find 0/0 [ 770.763389] Free swap = 0kB [ 770.763390] Total swap = 0kB [ 770.763392] 1965979 pages RAM [ 770.763393] 0 pages HighMem/MovableOnly [ 770.763394] 313617 pages reserved [ 770.763399] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 770.763403] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 770.763412] node 0: slabs: 606, objs: 7272, free: 0 [ 770.763508] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 770.763528] syz-executor.2: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 770.763533] CPU: 0 PID: 2177 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 770.763540] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb ffff8801ca2ddf00 [ 770.763546] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 770.763552] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 770.763554] Call Trace: [ 770.763561] [ 770.763561] [] dump_stack+0xc1/0x128 [ 770.763566] [] warn_alloc.cold.31+0x7f/0x9c [ 770.763572] [] ? zone_watermark_ok_safe+0x250/0x250 [ 770.763577] [] ? get_page_from_freelist+0x23e/0x1d80 [ 770.763583] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 770.763589] [] ? get_stack_info+0x37/0x120 [ 770.763593] [] ? __unwind_start+0x14d/0x3b0 [ 770.763599] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.763604] [] ? trace_hardirqs_on+0x10/0x10 [ 770.763609] [] new_slab+0x367/0x3d0 [ 770.763615] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 770.763620] [] ? __alloc_skb+0xe6/0x5b0 [ 770.763625] [] ? trace_hardirqs_on+0x10/0x10 [ 770.763630] [] ? debug_object_activate+0x32d/0x4e0 [ 770.763635] [] ? check_preemption_disabled+0x3b/0x200 [ 770.763640] [] ? __alloc_skb+0xe6/0x5b0 [ 770.763645] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 770.763650] [] ? __alloc_skb+0xe6/0x5b0 [ 770.763655] [] kmem_cache_alloc+0x212/0x2b0 [ 770.763659] [] ? mark_held_locks+0xc7/0x130 [ 770.763664] [] __alloc_skb+0xe6/0x5b0 [ 770.763670] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 770.763674] [] ? ipv6_get_ifaddr+0x300/0x510 [ 770.763678] [] ? trace_hardirqs_on+0xd/0x10 [ 770.763683] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 770.763688] [] ndisc_alloc_skb+0x144/0x330 [ 770.763693] [] ndisc_send_rs+0x2ff/0x670 [ 770.763697] [] ? __ipv6_get_lladdr+0x250/0x250 [ 770.763702] [] addrconf_rs_timer+0x27e/0x5a0 [ 770.763706] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.763711] [] call_timer_fn+0x163/0x6e0 [ 770.763715] [] ? call_timer_fn+0xda/0x6e0 [ 770.763719] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.763724] [] ? process_timeout+0x20/0x20 [ 770.763728] [] ? mark_held_locks+0xc7/0x130 [ 770.763732] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 770.763737] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.763741] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 770.763745] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.763750] [] expire_timers+0x234/0x580 [ 770.763754] [] ? collect_expired_timers+0x1d5/0x2b0 [ 770.763759] [] run_timer_softirq+0x208/0x5e0 [ 770.763763] [] ? expire_timers+0x580/0x580 [ 770.763768] [] ? check_preemption_disabled+0x3b/0x200 [ 770.763773] [] __do_softirq+0x20e/0x964 [ 770.763778] [] ? check_preemption_disabled+0x3b/0x200 [ 770.763782] [] irq_exit+0x11c/0x150 [ 770.763787] [] smp_apic_timer_interrupt+0x81/0xb0 [ 770.763792] [] apic_timer_interrupt+0x9d/0xb0 [ 770.763798] [ 770.763799] [] ? lock_release+0x63/0xc20 [ 770.763804] [] ? find_lock_task_mm+0xf1/0x270 [ 770.763808] [] ? check_preemption_disabled+0x3b/0x200 [ 770.763813] [] ? wake_oom_reaper+0xf0/0xf0 [ 770.763818] [] ? find_lock_task_mm+0x134/0x270 [ 770.763823] [] find_lock_task_mm+0x15b/0x270 [ 770.763827] [] ? wake_oom_reaper+0xf0/0xf0 [ 770.763832] [] lowmem_scan+0x34f/0xaf0 [ 770.763836] [] ? lowmem_scan+0x24e/0xaf0 [ 770.763841] [] ? check_preemption_disabled+0x3b/0x200 [ 770.763846] [] shrink_slab.part.8+0x3c6/0xa00 [ 770.763851] [] ? unregister_shrinker+0x230/0x230 [ 770.763856] [] shrink_node+0x1ed/0x740 [ 770.763862] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 770.763867] [] ? __delayacct_freepages_start+0x41/0x80 [ 770.763872] [] try_to_free_pages+0x377/0xb80 [ 770.763877] [] ? shrink_node+0x740/0x740 [ 770.763882] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 770.763887] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.763893] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.763898] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 770.763902] [] ? find_get_entry+0x11a/0x570 [ 770.763907] [] ? find_get_entry+0x141/0x570 [ 770.763913] [] ? page_cache_prev_hole+0x80/0x80 [ 770.763918] [] ? autoremove_wake_function+0x40/0x40 [ 770.763923] [] ? pagecache_get_page+0x131/0x710 [ 770.763928] [] filemap_fault+0xaf1/0x1110 [ 770.763933] [] ext4_filemap_fault+0x71/0xa0 [ 770.763937] [] __do_fault+0x223/0x500 [ 770.763941] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 770.763947] [] ? generic_file_readonly_mmap+0x190/0x190 [ 770.763951] [] handle_mm_fault+0x1326/0x2350 [ 770.763956] [] ? vm_insert_page+0x6f0/0x6f0 [ 770.763960] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.763965] [] __do_page_fault+0x403/0xa60 [ 770.763970] [] ? bad_area_access_error+0x3a0/0x3a0 [ 770.763976] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 770.763980] [] do_page_fault+0x27/0x30 [ 770.763985] [] page_fault+0x25/0x30 [ 770.763986] Mem-Info: [ 770.763997] active_anon:5063 inactive_anon:41 isolated_anon:0 [ 770.763997] active_file:0 inactive_file:31 isolated_file:0 [ 770.763997] unevictable:0 dirty:0 writeback:0 unstable:0 [ 770.763997] slab_reclaimable:4611 slab_unreclaimable:56995 [ 770.763997] mapped:3 shmem:48 pagetables:386 bounce:0 [ 770.763997] free:19 free_pcp:0 free_cma:0 [ 770.764005] Node 0 active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:15 all_unreclaimable? yes [ 770.764016] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:16kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 770.764032] Normal free:76kB min:5580kB low:9168kB high:12756kB active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:227964kB kernel_stack:3904kB pagetables:1544kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 770.764054] 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: 19*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 76kB 79 total pagecache pages [ 770.764075] 0 pages in swap cache [ 770.764078] Swap cache stats: add 0, delete 0, find 0/0 [ 770.764079] Free swap = 0kB [ 770.764080] Total swap = 0kB [ 770.764082] 1965979 pages RAM [ 770.764083] 0 pages HighMem/MovableOnly [ 770.764084] 313617 pages reserved [ 770.764087] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 770.764091] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 770.764094] node 0: slabs: 606, objs: 7272, free: 0 [ 770.764096] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 770.764111] syz-executor.2: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 770.764115] CPU: 0 PID: 2177 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 770.764122] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb ffff8801ca2ddf00 [ 770.764128] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 770.764134] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 770.764135] Call Trace: [ 770.764142] [ 770.764142] [] dump_stack+0xc1/0x128 [ 770.764147] [] warn_alloc.cold.31+0x7f/0x9c [ 770.764152] [] ? zone_watermark_ok_safe+0x250/0x250 [ 770.764157] [] ? get_page_from_freelist+0x23e/0x1d80 [ 770.764163] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 770.764169] [] ? kvm_sched_clock_read+0x9/0x20 [ 770.764173] [] ? sched_clock+0x9/0x10 [ 770.764179] [] ? down_trylock+0x50/0x70 [ 770.764184] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.764189] [] ? vprintk_emit+0x272/0x790 [ 770.764194] [] ? trace_hardirqs_on+0x10/0x10 [ 770.764200] [] new_slab+0x367/0x3d0 [ 770.764205] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 770.764210] [] ? __alloc_skb+0xe6/0x5b0 [ 770.764214] [] ? trace_hardirqs_on+0x10/0x10 [ 770.764220] [] ? debug_object_activate+0x32d/0x4e0 [ 770.764225] [] ? check_preemption_disabled+0x3b/0x200 [ 770.764230] [] ? __alloc_skb+0xe6/0x5b0 [ 770.764235] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 770.764240] [] ? __alloc_skb+0xe6/0x5b0 [ 770.764245] [] kmem_cache_alloc+0x212/0x2b0 [ 770.764249] [] ? mark_held_locks+0xc7/0x130 [ 770.764254] [] __alloc_skb+0xe6/0x5b0 [ 770.764259] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 770.764264] [] ? ipv6_get_ifaddr+0x300/0x510 [ 770.764268] [] ? trace_hardirqs_on+0xd/0x10 [ 770.764272] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 770.764278] [] ndisc_alloc_skb+0x144/0x330 [ 770.764283] [] ndisc_send_rs+0x2ff/0x670 [ 770.764287] [] ? __ipv6_get_lladdr+0x250/0x250 [ 770.764291] [] addrconf_rs_timer+0x27e/0x5a0 [ 770.764295] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.764300] [] call_timer_fn+0x163/0x6e0 [ 770.764304] [] ? call_timer_fn+0xda/0x6e0 [ 770.764308] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.764313] [] ? process_timeout+0x20/0x20 [ 770.764317] [] ? mark_held_locks+0xc7/0x130 [ 770.764321] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 770.764325] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.764330] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 770.764334] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.764338] [] expire_timers+0x234/0x580 [ 770.764343] [] ? collect_expired_timers+0x1d5/0x2b0 [ 770.764347] [] run_timer_softirq+0x208/0x5e0 [ 770.764352] [] ? expire_timers+0x580/0x580 [ 770.764357] [] ? check_preemption_disabled+0x3b/0x200 [ 770.764362] [] __do_softirq+0x20e/0x964 [ 770.764367] [] ? check_preemption_disabled+0x3b/0x200 [ 770.764371] [] irq_exit+0x11c/0x150 [ 770.764376] [] smp_apic_timer_interrupt+0x81/0xb0 [ 770.764381] [] apic_timer_interrupt+0x9d/0xb0 [ 770.764387] [ 770.764387] [] ? lock_release+0x63/0xc20 [ 770.764392] [] ? find_lock_task_mm+0xf1/0x270 [ 770.764397] [] ? check_preemption_disabled+0x3b/0x200 [ 770.764402] [] ? wake_oom_reaper+0xf0/0xf0 [ 770.764411] [] ? find_lock_task_mm+0x134/0x270 [ 770.764416] [] find_lock_task_mm+0x15b/0x270 [ 770.764421] [] ? wake_oom_reaper+0xf0/0xf0 [ 770.764425] [] lowmem_scan+0x34f/0xaf0 [ 770.764429] [] ? lowmem_scan+0x24e/0xaf0 [ 770.764434] [] ? check_preemption_disabled+0x3b/0x200 [ 770.764439] [] shrink_slab.part.8+0x3c6/0xa00 [ 770.764444] [] ? unregister_shrinker+0x230/0x230 [ 770.764449] [] shrink_node+0x1ed/0x740 [ 770.764455] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 770.764460] [] ? __delayacct_freepages_start+0x41/0x80 [ 770.764465] [] try_to_free_pages+0x377/0xb80 [ 770.764470] [] ? shrink_node+0x740/0x740 [ 770.764476] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 770.764481] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.764486] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.764491] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 770.764496] [] ? find_get_entry+0x11a/0x570 [ 770.764500] [] ? find_get_entry+0x141/0x570 [ 770.764505] [] ? page_cache_prev_hole+0x80/0x80 [ 770.764510] [] ? autoremove_wake_function+0x40/0x40 [ 770.764514] [] ? pagecache_get_page+0x131/0x710 [ 770.764519] [] filemap_fault+0xaf1/0x1110 [ 770.764524] [] ext4_filemap_fault+0x71/0xa0 [ 770.764528] [] __do_fault+0x223/0x500 [ 770.764533] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 770.764538] [] ? generic_file_readonly_mmap+0x190/0x190 [ 770.764542] [] handle_mm_fault+0x1326/0x2350 [ 770.764547] [] ? vm_insert_page+0x6f0/0x6f0 [ 770.764552] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.764557] [] __do_page_fault+0x403/0xa60 [ 770.764562] [] ? bad_area_access_error+0x3a0/0x3a0 [ 770.764567] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 770.764571] [] do_page_fault+0x27/0x30 [ 770.764576] [] page_fault+0x25/0x30 [ 770.764577] Mem-Info: [ 770.764587] active_anon:5063 inactive_anon:41 isolated_anon:0 [ 770.764587] active_file:0 inactive_file:31 isolated_file:0 [ 770.764587] unevictable:0 dirty:0 writeback:0 unstable:0 [ 770.764587] slab_reclaimable:4611 slab_unreclaimable:56995 [ 770.764587] mapped:3 shmem:48 pagetables:386 bounce:0 [ 770.764587] free:19 free_pcp:0 free_cma:0 [ 770.764595] Node 0 active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:15 all_unreclaimable? yes [ 770.764606] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:16kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 770.764622] Normal free:76kB min:5580kB low:9168kB high:12756kB active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:227964kB kernel_stack:3904kB pagetables:1544kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 770.764644] 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: 19*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 76kB 79 total pagecache pages [ 770.764666] 0 pages in swap cache [ 770.764668] Swap cache stats: add 0, delete 0, find 0/0 [ 770.764669] Free swap = 0kB [ 770.764671] Total swap = 0kB [ 770.764672] 1965979 pages RAM [ 770.764673] 0 pages HighMem/MovableOnly [ 770.764674] 313617 pages reserved [ 770.764678] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 770.764681] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 770.764684] node 0: slabs: 606, objs: 7272, free: 0 [ 770.764687] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 770.842792] syz-executor.2: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 770.842800] CPU: 0 PID: 2177 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 770.842814] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb ffff8801ca2ddf00 [ 770.842824] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 770.842834] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 770.842835] Call Trace: [ 770.842852] [ 770.842852] [] dump_stack+0xc1/0x128 [ 770.842862] [] warn_alloc.cold.31+0x7f/0x9c [ 770.842871] [] ? zone_watermark_ok_safe+0x250/0x250 [ 770.842879] [] ? get_page_from_freelist+0x23e/0x1d80 [ 770.842888] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 770.842896] [] ? __lock_acquire+0x654/0x4a10 [ 770.842903] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.842910] [] ? trace_hardirqs_on+0x10/0x10 [ 770.842917] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 770.842925] [] ? _find_next_bit.part.0+0xe0/0x120 [ 770.842933] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.842940] [] new_slab+0x367/0x3d0 [ 770.842949] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 770.842957] [] ? __alloc_skb+0xe6/0x5b0 [ 770.842964] [] ? trace_hardirqs_on+0x10/0x10 [ 770.842972] [] ? __enqueue_entity+0x138/0x230 [ 770.842980] [] ? check_preemption_disabled+0x3b/0x200 [ 770.842988] [] ? __alloc_skb+0xe6/0x5b0 [ 770.842996] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 770.843003] [] ? __alloc_skb+0xe6/0x5b0 [ 770.843011] [] kmem_cache_alloc+0x212/0x2b0 [ 770.843017] [] ? mark_held_locks+0xc7/0x130 [ 770.843025] [] __alloc_skb+0xe6/0x5b0 [ 770.843032] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 770.843039] [] ? ipv6_get_ifaddr+0x300/0x510 [ 770.843046] [] ? trace_hardirqs_on+0xd/0x10 [ 770.843054] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 770.843063] [] ndisc_alloc_skb+0x144/0x330 [ 770.843070] [] ndisc_send_rs+0x2ff/0x670 [ 770.843077] [] ? __ipv6_get_lladdr+0x250/0x250 [ 770.843084] [] addrconf_rs_timer+0x27e/0x5a0 [ 770.843090] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.843099] [] call_timer_fn+0x163/0x6e0 [ 770.843105] [] ? call_timer_fn+0xda/0x6e0 [ 770.843111] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.843118] [] ? process_timeout+0x20/0x20 [ 770.843124] [] ? mark_held_locks+0xc7/0x130 [ 770.843131] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 770.843138] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.843145] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 770.843151] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.843158] [] expire_timers+0x234/0x580 [ 770.843164] [] ? collect_expired_timers+0x1d5/0x2b0 [ 770.843171] [] run_timer_softirq+0x208/0x5e0 [ 770.843178] [] ? expire_timers+0x580/0x580 [ 770.843185] [] ? check_preemption_disabled+0x3b/0x200 [ 770.843194] [] __do_softirq+0x20e/0x964 [ 770.843202] [] ? check_preemption_disabled+0x3b/0x200 [ 770.843208] [] irq_exit+0x11c/0x150 [ 770.843216] [] smp_apic_timer_interrupt+0x81/0xb0 [ 770.843223] [] apic_timer_interrupt+0x9d/0xb0 [ 770.843232] [ 770.843232] [] ? lock_acquire+0x173/0x3e0 [ 770.843240] [] ? wake_oom_reaper+0xf0/0xf0 [ 770.843247] [] find_lock_task_mm+0x46/0x270 [ 770.843254] [] ? wake_oom_reaper+0xf0/0xf0 [ 770.843262] [] lowmem_scan+0x34f/0xaf0 [ 770.843268] [] ? lowmem_scan+0x24e/0xaf0 [ 770.843275] [] ? check_preemption_disabled+0x3b/0x200 [ 770.843283] [] shrink_slab.part.8+0x3c6/0xa00 [ 770.843291] [] ? unregister_shrinker+0x230/0x230 [ 770.843299] [] shrink_node+0x1ed/0x740 [ 770.843307] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 770.843316] [] ? __delayacct_freepages_start+0x41/0x80 [ 770.843324] [] try_to_free_pages+0x377/0xb80 [ 770.843331] [] ? shrink_node+0x740/0x740 [ 770.843339] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 770.843346] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.843355] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.843363] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 770.843370] [] ? find_get_entry+0x11a/0x570 [ 770.843377] [] ? find_get_entry+0x141/0x570 [ 770.843384] [] ? page_cache_prev_hole+0x80/0x80 [ 770.843392] [] ? autoremove_wake_function+0x40/0x40 [ 770.843399] [] ? pagecache_get_page+0x131/0x710 [ 770.843412] [] filemap_fault+0xaf1/0x1110 [ 770.843420] [] ext4_filemap_fault+0x71/0xa0 [ 770.843427] [] __do_fault+0x223/0x500 [ 770.843434] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 770.843441] [] ? generic_file_readonly_mmap+0x190/0x190 [ 770.843449] [] handle_mm_fault+0x1326/0x2350 [ 770.843456] [] ? vm_insert_page+0x6f0/0x6f0 [ 770.843463] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.843471] [] __do_page_fault+0x403/0xa60 [ 770.843479] [] ? bad_area_access_error+0x3a0/0x3a0 [ 770.843488] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 770.843495] [] do_page_fault+0x27/0x30 [ 770.843501] [] page_fault+0x25/0x30 [ 770.843504] Mem-Info: [ 770.843520] active_anon:5063 inactive_anon:41 isolated_anon:0 [ 770.843520] active_file:0 inactive_file:31 isolated_file:0 [ 770.843520] unevictable:0 dirty:0 writeback:0 unstable:0 [ 770.843520] slab_reclaimable:4611 slab_unreclaimable:56995 [ 770.843520] mapped:3 shmem:48 pagetables:386 bounce:0 [ 770.843520] free:19 free_pcp:0 free_cma:0 [ 770.843532] Node 0 active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:15 all_unreclaimable? yes [ 770.843549] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:16kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 770.843573] Normal free:76kB min:5580kB low:9168kB high:12756kB active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:227964kB kernel_stack:3904kB pagetables:1544kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 770.843608] 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: 19*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 76kB 79 total pagecache pages [ 770.843641] 0 pages in swap cache [ 770.843644] Swap cache stats: add 0, delete 0, find 0/0 [ 770.843646] Free swap = 0kB [ 770.843648] Total swap = 0kB [ 770.843650] 1965979 pages RAM [ 770.843652] 0 pages HighMem/MovableOnly [ 770.843654] 313617 pages reserved [ 770.843660] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 770.843666] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 770.843671] node 0: slabs: 606, objs: 7272, free: 0 [ 770.843676] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 770.843701] syz-executor.2: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 770.843707] CPU: 0 PID: 2177 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 770.843718] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb ffff8801ca2ddf00 [ 770.843727] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 770.843737] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 770.843739] Call Trace: [ 770.843748] [ 770.843748] [] dump_stack+0xc1/0x128 [ 770.843756] [] warn_alloc.cold.31+0x7f/0x9c [ 770.843763] [] ? zone_watermark_ok_safe+0x250/0x250 [ 770.843772] [] ? get_page_from_freelist+0x23e/0x1d80 [ 770.843780] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 770.843789] [] ? kvm_sched_clock_read+0x9/0x20 [ 770.843796] [] ? sched_clock+0x9/0x10 [ 770.843804] [] ? down_trylock+0x50/0x70 [ 770.843812] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.843820] [] ? vprintk_emit+0x272/0x790 [ 770.843828] [] ? trace_hardirqs_on+0x10/0x10 [ 770.843835] [] new_slab+0x367/0x3d0 [ 770.843844] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 770.843851] [] ? __alloc_skb+0xe6/0x5b0 [ 770.843858] [] ? trace_hardirqs_on+0x10/0x10 [ 770.843865] [] ? debug_object_activate+0x32d/0x4e0 [ 770.843873] [] ? check_preemption_disabled+0x3b/0x200 [ 770.843880] [] ? __alloc_skb+0xe6/0x5b0 [ 770.843888] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 770.843896] [] ? __alloc_skb+0xe6/0x5b0 [ 770.843903] [] kmem_cache_alloc+0x212/0x2b0 [ 770.843909] [] ? mark_held_locks+0xc7/0x130 [ 770.843917] [] __alloc_skb+0xe6/0x5b0 [ 770.843925] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 770.843931] [] ? ipv6_get_ifaddr+0x300/0x510 [ 770.843937] [] ? trace_hardirqs_on+0xd/0x10 [ 770.843944] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 770.843952] [] ndisc_alloc_skb+0x144/0x330 [ 770.843960] [] ndisc_send_rs+0x2ff/0x670 [ 770.843966] [] ? __ipv6_get_lladdr+0x250/0x250 [ 770.843973] [] addrconf_rs_timer+0x27e/0x5a0 [ 770.843979] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.843986] [] call_timer_fn+0x163/0x6e0 [ 770.843993] [] ? call_timer_fn+0xda/0x6e0 [ 770.843999] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.844005] [] ? process_timeout+0x20/0x20 [ 770.844012] [] ? mark_held_locks+0xc7/0x130 [ 770.844019] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 770.844025] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.844032] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 770.844038] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.844045] [] expire_timers+0x234/0x580 [ 770.844052] [] ? collect_expired_timers+0x1d5/0x2b0 [ 770.844058] [] run_timer_softirq+0x208/0x5e0 [ 770.844065] [] ? expire_timers+0x580/0x580 [ 770.844073] [] ? check_preemption_disabled+0x3b/0x200 [ 770.844080] [] __do_softirq+0x20e/0x964 [ 770.844087] [] ? check_preemption_disabled+0x3b/0x200 [ 770.844094] [] irq_exit+0x11c/0x150 [ 770.844102] [] smp_apic_timer_interrupt+0x81/0xb0 [ 770.844109] [] apic_timer_interrupt+0x9d/0xb0 [ 770.844118] [ 770.844118] [] ? lock_acquire+0x173/0x3e0 [ 770.844125] [] ? wake_oom_reaper+0xf0/0xf0 [ 770.844133] [] find_lock_task_mm+0x46/0x270 [ 770.844139] [] ? wake_oom_reaper+0xf0/0xf0 [ 770.844146] [] lowmem_scan+0x34f/0xaf0 [ 770.844152] [] ? lowmem_scan+0x24e/0xaf0 [ 770.844159] [] ? check_preemption_disabled+0x3b/0x200 [ 770.844167] [] shrink_slab.part.8+0x3c6/0xa00 [ 770.844175] [] ? unregister_shrinker+0x230/0x230 [ 770.844183] [] shrink_node+0x1ed/0x740 [ 770.844191] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 770.844199] [] ? __delayacct_freepages_start+0x41/0x80 [ 770.844206] [] try_to_free_pages+0x377/0xb80 [ 770.844213] [] ? shrink_node+0x740/0x740 [ 770.844222] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 770.844228] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.844237] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.844244] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 770.844251] [] ? find_get_entry+0x11a/0x570 [ 770.844258] [] ? find_get_entry+0x141/0x570 [ 770.844264] [] ? page_cache_prev_hole+0x80/0x80 [ 770.844272] [] ? autoremove_wake_function+0x40/0x40 [ 770.844279] [] ? pagecache_get_page+0x131/0x710 [ 770.844286] [] filemap_fault+0xaf1/0x1110 [ 770.844294] [] ext4_filemap_fault+0x71/0xa0 [ 770.844300] [] __do_fault+0x223/0x500 [ 770.844306] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 770.844314] [] ? generic_file_readonly_mmap+0x190/0x190 [ 770.844321] [] handle_mm_fault+0x1326/0x2350 [ 770.844328] [] ? vm_insert_page+0x6f0/0x6f0 [ 770.844335] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.844343] [] __do_page_fault+0x403/0xa60 [ 770.844350] [] ? bad_area_access_error+0x3a0/0x3a0 [ 770.844358] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 770.844365] [] do_page_fault+0x27/0x30 [ 770.844372] [] page_fault+0x25/0x30 [ 770.844374] Mem-Info: [ 770.844389] active_anon:5063 inactive_anon:41 isolated_anon:0 [ 770.844389] active_file:0 inactive_file:31 isolated_file:0 [ 770.844389] unevictable:0 dirty:0 writeback:0 unstable:0 [ 770.844389] slab_reclaimable:4611 slab_unreclaimable:56995 [ 770.844389] mapped:3 shmem:48 pagetables:386 bounce:0 [ 770.844389] free:19 free_pcp:0 free_cma:0 [ 770.844405] Node 0 active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:15 all_unreclaimable? yes [ 770.844422] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:16kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 770.844445] Normal free:76kB min:5580kB low:9168kB high:12756kB active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:227964kB kernel_stack:3904kB pagetables:1544kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 770.844478] 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: 19*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 76kB 79 total pagecache pages [ 770.844510] 0 pages in swap cache [ 770.844513] Swap cache stats: add 0, delete 0, find 0/0 [ 770.844515] Free swap = 0kB [ 770.844517] Total swap = 0kB [ 770.844519] 1965979 pages RAM [ 770.844521] 0 pages HighMem/MovableOnly [ 770.844523] 313617 pages reserved [ 770.844528] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 770.844533] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 770.844538] node 0: slabs: 606, objs: 7272, free: 0 [ 770.844541] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 770.922795] syz-executor.2: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 770.922803] CPU: 0 PID: 2177 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 770.922818] ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb ffff8801ca2ddf00 [ 770.922828] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 770.922837] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 770.922839] Call Trace: [ 770.922856] [ 770.922857] [] dump_stack+0xc1/0x128 [ 770.922866] [] warn_alloc.cold.31+0x7f/0x9c [ 770.922875] [] ? zone_watermark_ok_safe+0x250/0x250 [ 770.922883] [] ? get_page_from_freelist+0x23e/0x1d80 [ 770.922892] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 770.922901] [] ? kvm_sched_clock_read+0x9/0x20 [ 770.922910] [] ? __lock_acquire+0x654/0x4a10 [ 770.922918] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.922925] [] ? trace_hardirqs_on+0x10/0x10 [ 770.922932] [] ? cpuacct_charge+0x1db/0x360 [ 770.922940] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.922948] [] new_slab+0x367/0x3d0 [ 770.922958] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 770.922967] [] ? __alloc_skb+0xe6/0x5b0 [ 770.922973] [] ? trace_hardirqs_on+0x10/0x10 [ 770.922981] [] ? __enqueue_entity+0x138/0x230 [ 770.922990] [] ? check_preemption_disabled+0x3b/0x200 [ 770.922998] [] ? __alloc_skb+0xe6/0x5b0 [ 770.923006] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 770.923014] [] ? __alloc_skb+0xe6/0x5b0 [ 770.923021] [] kmem_cache_alloc+0x212/0x2b0 [ 770.923028] [] ? mark_held_locks+0xc7/0x130 [ 770.923035] [] __alloc_skb+0xe6/0x5b0 [ 770.923043] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 770.923050] [] ? ipv6_get_ifaddr+0x300/0x510 [ 770.923057] [] ? trace_hardirqs_on+0xd/0x10 [ 770.923065] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 770.923074] [] ndisc_alloc_skb+0x144/0x330 [ 770.923082] [] ndisc_send_rs+0x2ff/0x670 [ 770.923088] [] ? __ipv6_get_lladdr+0x250/0x250 [ 770.923095] [] addrconf_rs_timer+0x27e/0x5a0 [ 770.923102] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.923109] [] call_timer_fn+0x163/0x6e0 [ 770.923115] [] ? call_timer_fn+0xda/0x6e0 [ 770.923122] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.923128] [] ? process_timeout+0x20/0x20 [ 770.923135] [] ? mark_held_locks+0xc7/0x130 [ 770.923142] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 770.923149] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.923156] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 770.923162] [] ? ipv6_get_lladdr+0x440/0x440 [ 770.923169] [] expire_timers+0x234/0x580 [ 770.923175] [] ? collect_expired_timers+0x1d5/0x2b0 [ 770.923182] [] run_timer_softirq+0x208/0x5e0 [ 770.923189] [] ? expire_timers+0x580/0x580 [ 770.923197] [] ? check_preemption_disabled+0x3b/0x200 [ 770.923205] [] __do_softirq+0x20e/0x964 [ 770.923212] [] ? check_preemption_disabled+0x3b/0x200 [ 770.923219] [] irq_exit+0x11c/0x150 [ 770.923226] [] smp_apic_timer_interrupt+0x81/0xb0 [ 770.923234] [] apic_timer_interrupt+0x9d/0xb0 [ 770.923243] [ 770.923243] [] ? lock_acquire+0x173/0x3e0 [ 770.923250] [] ? wake_oom_reaper+0xf0/0xf0 [ 770.923258] [] find_lock_task_mm+0x46/0x270 [ 770.923265] [] ? wake_oom_reaper+0xf0/0xf0 [ 770.923272] [] lowmem_scan+0x34f/0xaf0 [ 770.923278] [] ? lowmem_scan+0x24e/0xaf0 [ 770.923286] [] ? check_preemption_disabled+0x3b/0x200 [ 770.923294] [] shrink_slab.part.8+0x3c6/0xa00 [ 770.923302] [] ? unregister_shrinker+0x230/0x230 [ 770.923310] [] shrink_node+0x1ed/0x740 [ 770.923318] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 770.923326] [] ? __delayacct_freepages_start+0x41/0x80 [ 770.923334] [] try_to_free_pages+0x377/0xb80 [ 770.923341] [] ? shrink_node+0x740/0x740 [ 770.923350] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 770.923357] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.923365] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 770.923373] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 770.923379] [] ? find_get_entry+0x11a/0x570 [ 770.923386] [] ? find_get_entry+0x141/0x570 [ 770.923393] [] ? page_cache_prev_hole+0x80/0x80 [ 770.923405] [] ? autoremove_wake_function+0x40/0x40 [ 770.923413] [] ? pagecache_get_page+0x131/0x710 [ 770.923420] [] filemap_fault+0xaf1/0x1110 [ 770.923429] [] ext4_filemap_fault+0x71/0xa0 [ 770.923436] [] __do_fault+0x223/0x500 [ 770.923443] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 770.923450] [] ? generic_file_readonly_mmap+0x190/0x190 [ 770.923457] [] handle_mm_fault+0x1326/0x2350 [ 770.923464] [] ? vm_insert_page+0x6f0/0x6f0 [ 770.923471] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 770.923480] [] __do_page_fault+0x403/0xa60 [ 770.923487] [] ? bad_area_access_error+0x3a0/0x3a0 [ 770.923497] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 770.923503] [] do_page_fault+0x27/0x30 [ 770.923510] [] page_fault+0x25/0x30 [ 770.923513] Mem-Info: [ 770.923529] active_anon:5063 inactive_anon:41 isolated_anon:0 [ 770.923529] active_file:0 inactive_file:31 isolated_file:0 [ 770.923529] unevictable:0 dirty:0 writeback:0 unstable:0 [ 770.923529] slab_reclaimable:4611 slab_unreclaimable:56995 [ 770.923529] mapped:3 shmem:48 pagetables:386 bounce:0 [ 770.923529] free:19 free_pcp:0 free_cma:0 [ 770.923542] Node 0 active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:15 all_unreclaimable? yes [ 770.923559] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:16kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 770.923583] Normal free:76kB min:5580kB low:9168kB high:12756kB active_anon:20252kB inactive_anon:164kB active_file:0kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:227964kB kernel_stack:3904kB pagetables:1544kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 770.923615] 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: 19*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 76kB 79 total pagecache pages [ 770.923647] 0 pages in swap cache [ 770.923651] Swap cache stats: add 0, delete 0, find 0/0 [ 770.923653] Free swap = 0kB [ 770.923654] Total swap = 0kB [ 770.923656] 1965979 pages RAM [ 770.923658] 0 pages HighMem/MovableOnly [ 770.923660] 313617 pages reserved [ 770.923667] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 770.923672] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 770.923677] node 0: slabs: 606, objs: 7272, free: 0 [ 770.923682] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 771.002789] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 771.002794] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 771.002798] node 0: slabs: 606, objs: 7272, free: 0 [ 771.002802] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 771.082788] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 771.082795] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 771.082800] node 0: slabs: 606, objs: 7272, free: 0 [ 771.082805] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 771.162783] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 771.242784] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 771.462824] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 771.462824] to free 124kB on behalf of 'syz-executor.0' (2182) because [ 771.462824] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 771.462824] Free memory is -37428kB above reserved [ 771.462846] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 771.462846] to free 124kB on behalf of 'syz-executor.4' (2178) because [ 771.462846] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 771.462846] Free memory is -37428kB above reserved [ 772.472803] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 772.472803] to free 124kB on behalf of 'syz-execprog' (2156) because [ 772.472803] cache 272kB is below limit 6144kB for oom_score_adj 0 [ 772.472803] Free memory is -31972kB above reserved [ 772.472814] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 772.472814] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 772.472814] cache 272kB is below limit 6144kB for oom_score_adj 0 [ 772.472814] Free memory is -31972kB above reserved [ 773.482909] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 773.482909] to free 124kB on behalf of 'rsyslogd' (1894) because [ 773.482909] cache 536kB is below limit 6144kB for oom_score_adj 0 [ 773.482909] Free memory is -13312kB above reserved [ 773.482920] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 773.482920] to free 124kB on behalf of 'udevd' (578) because [ 773.482920] cache 536kB is below limit 6144kB for oom_score_adj 0 [ 773.482920] Free memory is -13312kB above reserved [ 773.483610] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 773.483610] to free 124kB on behalf of 'kswapd0' (33) because [ 773.483610] cache 536kB is below limit 6144kB for oom_score_adj 0 [ 773.483610] Free memory is -13312kB above reserved [ 774.498764] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 774.498764] to free 124kB on behalf of 'syz-executor.5' (2334) because [ 774.498764] cache 220kB is below limit 6144kB for oom_score_adj 0 [ 774.498764] Free memory is -13476kB above reserved [ 775.502800] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 775.502800] to free 124kB on behalf of 'syz-executor.5' (2334) because [ 775.502800] cache 180kB is below limit 6144kB for oom_score_adj 0 [ 775.502800] Free memory is -13232kB above reserved [ 775.502819] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 775.502819] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 775.502819] cache 180kB is below limit 6144kB for oom_score_adj 0 [ 775.502819] Free memory is -13232kB above reserved [ 776.512860] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 776.512860] to free 124kB on behalf of 'syz-executor.1' (2175) because [ 776.512860] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 776.512860] Free memory is -13368kB above reserved [ 776.512871] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 776.512871] to free 124kB on behalf of 'syz-execprog' (2171) because [ 776.512871] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 776.512871] Free memory is -13368kB above reserved [ 777.522864] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 777.522864] to free 124kB on behalf of 'udevd' (578) because [ 777.522864] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 777.522864] Free memory is -13368kB above reserved [ 777.522875] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 777.522875] to free 124kB on behalf of 'syz-executor.4' (2327) because [ 777.522875] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 777.522875] Free memory is -13368kB above reserved [ 778.532801] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 778.532801] to free 124kB on behalf of 'syz-execprog' (2154) because [ 778.532801] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 778.532801] Free memory is -13500kB above reserved [ 779.542892] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 779.542892] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 779.542892] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 779.542892] Free memory is -13500kB above reserved [ 780.552827] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 780.552827] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 780.552827] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 780.552827] Free memory is -13508kB above reserved [ 781.562803] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 781.562803] to free 124kB on behalf of 'syz-execprog' (2154) because [ 781.562803] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 781.562803] Free memory is -13508kB above reserved [ 782.572807] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 782.572807] to free 124kB on behalf of 'udevd' (578) because [ 782.572807] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 782.572807] Free memory is -13508kB above reserved [ 783.582846] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 783.582846] to free 124kB on behalf of 'syz-execprog' (2168) because [ 783.582846] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 783.582846] Free memory is -13476kB above reserved [ 783.957517] warn_alloc: 11 callbacks suppressed [ 783.957535] syz-executor.1: page allocation stalls for 10010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 783.957544] CPU: 0 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 783.957563] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 783.957574] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 783.957583] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 783.957585] Call Trace: [ 783.957600] [] dump_stack+0xc1/0x128 [ 783.957610] [] warn_alloc.cold.31+0x7f/0x9c [ 783.957619] [] ? zone_watermark_ok_safe+0x250/0x250 [ 783.957627] [] ? shrink_node+0x740/0x740 [ 783.957636] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 783.957645] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 783.957654] [] ? check_preemption_disabled+0x3b/0x200 [ 783.957661] [] ? find_get_entry+0x11a/0x570 [ 783.957668] [] ? find_get_entry+0x141/0x570 [ 783.957675] [] ? page_cache_prev_hole+0x80/0x80 [ 783.957683] [] ? pagecache_get_page+0x131/0x710 [ 783.957690] [] filemap_fault+0xaf1/0x1110 [ 783.957699] [] ext4_filemap_fault+0x71/0xa0 [ 783.957706] [] __do_fault+0x223/0x500 [ 783.957713] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 783.957721] [] ? generic_file_readonly_mmap+0x190/0x190 [ 783.957728] [] handle_mm_fault+0x1326/0x2350 [ 783.957735] [] ? vm_insert_page+0x6f0/0x6f0 [ 783.957744] [] __do_page_fault+0x403/0xa60 [ 783.957752] [] ? bad_area_access_error+0x3a0/0x3a0 [ 783.957761] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 783.957768] [] do_page_fault+0x27/0x30 [ 783.957776] [] page_fault+0x25/0x30 [ 783.957779] Mem-Info: [ 783.957796] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 783.957796] active_file:6 inactive_file:25 isolated_file:0 [ 783.957796] unevictable:0 dirty:0 writeback:0 unstable:0 [ 783.957796] slab_reclaimable:4624 slab_unreclaimable:56962 [ 783.957796] mapped:4 shmem:48 pagetables:377 bounce:0 [ 783.957796] free:6007 free_pcp:87 free_cma:0 [ 783.957809] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 783.957826] DMA32 free:18620kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:484kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 783.957852] Normal free:5408kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:228kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 783.957908] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 16*32kB (UME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18620kB Normal: 164*4kB (UMH) 50*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5408kB 80 total pagecache pages [ 783.957956] 0 pages in swap cache [ 783.957960] Swap cache stats: add 0, delete 0, find 0/0 [ 783.957962] Free swap = 0kB [ 783.957964] Total swap = 0kB [ 783.957966] 1965979 pages RAM [ 783.957968] 0 pages HighMem/MovableOnly [ 783.957971] 313617 pages reserved [ 783.973504] syz-execprog: page allocation stalls for 10050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 783.973512] CPU: 1 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 783.973525] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 783.973535] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 783.973544] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 783.973546] Call Trace: [ 783.973555] [] dump_stack+0xc1/0x128 [ 783.973563] [] warn_alloc.cold.31+0x7f/0x9c [ 783.973571] [] ? zone_watermark_ok_safe+0x250/0x250 [ 783.973579] [] ? shrink_node+0x740/0x740 [ 783.973588] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 783.973597] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 783.973605] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 783.973612] [] ? find_get_entry+0x11a/0x570 [ 783.973619] [] ? find_get_entry+0x141/0x570 [ 783.973626] [] ? page_cache_prev_hole+0x80/0x80 [ 783.973634] [] ? autoremove_wake_function+0x40/0x40 [ 783.973642] [] ? pagecache_get_page+0x131/0x710 [ 783.973649] [] filemap_fault+0xaf1/0x1110 [ 783.973657] [] ext4_filemap_fault+0x71/0xa0 [ 783.973664] [] __do_fault+0x223/0x500 [ 783.973670] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 783.973679] [] ? generic_file_readonly_mmap+0x190/0x190 [ 783.973685] [] handle_mm_fault+0x1326/0x2350 [ 783.973694] [] ? poll_select_set_timeout+0xb5/0x120 [ 783.973701] [] ? vm_insert_page+0x6f0/0x6f0 [ 783.973709] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 783.973717] [] __do_page_fault+0x403/0xa60 [ 783.973725] [] ? __fget_light+0x169/0x1f0 [ 783.973732] [] ? bad_area_access_error+0x3a0/0x3a0 [ 783.973741] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 783.973748] [] do_page_fault+0x27/0x30 [ 783.973754] [] page_fault+0x25/0x30 [ 783.973757] Mem-Info: [ 783.973773] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 783.973773] active_file:6 inactive_file:25 isolated_file:0 [ 783.973773] unevictable:0 dirty:0 writeback:0 unstable:0 [ 783.973773] slab_reclaimable:4624 slab_unreclaimable:56962 [ 783.973773] mapped:4 shmem:48 pagetables:377 bounce:0 [ 783.973773] free:6007 free_pcp:87 free_cma:0 [ 783.973786] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 783.973803] DMA32 free:18620kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:484kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 783.973830] Normal free:5408kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:228kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 783.973884] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 16*32kB (UME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18620kB Normal: 164*4kB (UMH) 50*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5408kB 80 total pagecache pages [ 783.973932] 0 pages in swap cache [ 783.973936] Swap cache stats: add 0, delete 0, find 0/0 [ 783.973938] Free swap = 0kB [ 783.973940] Total swap = 0kB [ 783.973942] 1965979 pages RAM [ 783.973944] 0 pages HighMem/MovableOnly [ 783.973946] 313617 pages reserved [ 783.979998] syz-execprog: page allocation stalls for 10030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 783.980005] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 783.980016] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 783.980026] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 783.980036] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 783.980037] Call Trace: [ 783.980045] [] dump_stack+0xc1/0x128 [ 783.980058] [] warn_alloc.cold.31+0x7f/0x9c [ 783.980066] [] ? zone_watermark_ok_safe+0x250/0x250 [ 783.980074] [] ? shrink_node+0x740/0x740 [ 783.980083] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 783.980090] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 783.980099] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 783.980106] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 783.980113] [] ? find_get_entry+0x11a/0x570 [ 783.980120] [] ? find_get_entry+0x141/0x570 [ 783.980127] [] ? page_cache_prev_hole+0x80/0x80 [ 783.980135] [] ? autoremove_wake_function+0x40/0x40 [ 783.980142] [] ? pagecache_get_page+0x131/0x710 [ 783.980150] [] filemap_fault+0xaf1/0x1110 [ 783.980158] [] ext4_filemap_fault+0x71/0xa0 [ 783.980164] [] __do_fault+0x223/0x500 [ 783.980171] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 783.980179] [] ? generic_file_readonly_mmap+0x190/0x190 [ 783.980186] [] handle_mm_fault+0x1326/0x2350 [ 783.980194] [] ? ep_poll+0x18f/0xb20 [ 783.980201] [] ? vm_insert_page+0x6f0/0x6f0 [ 783.980209] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 783.980217] [] __do_page_fault+0x403/0xa60 [ 783.980224] [] ? __fget_light+0x169/0x1f0 [ 783.980231] [] ? bad_area_access_error+0x3a0/0x3a0 [ 783.980239] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 783.980247] [] do_page_fault+0x27/0x30 [ 783.980253] [] page_fault+0x25/0x30 [ 783.980256] Mem-Info: [ 783.980271] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 783.980271] active_file:6 inactive_file:25 isolated_file:0 [ 783.980271] unevictable:0 dirty:0 writeback:0 unstable:0 [ 783.980271] slab_reclaimable:4624 slab_unreclaimable:56962 [ 783.980271] mapped:4 shmem:48 pagetables:377 bounce:0 [ 783.980271] free:6007 free_pcp:87 free_cma:0 [ 783.980283] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 783.980299] DMA32 free:18620kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:484kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 783.980325] Normal free:5408kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:228kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 783.980378] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 16*32kB (UME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18620kB Normal: 164*4kB (UMH) 50*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5408kB 80 total pagecache pages [ 783.980425] 0 pages in swap cache [ 783.980429] Swap cache stats: add 0, delete 0, find 0/0 [ 783.980431] Free swap = 0kB [ 783.980433] Total swap = 0kB [ 783.980435] 1965979 pages RAM [ 783.980437] 0 pages HighMem/MovableOnly [ 783.980439] 313617 pages reserved [ 783.981034] rsyslogd: page allocation stalls for 10060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 783.981040] CPU: 0 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 783.981052] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 783.981061] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 783.981070] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 783.981072] Call Trace: [ 783.981080] [] dump_stack+0xc1/0x128 [ 783.981088] [] warn_alloc.cold.31+0x7f/0x9c [ 783.981096] [] ? zone_watermark_ok_safe+0x250/0x250 [ 783.981104] [] ? shrink_node+0x740/0x740 [ 783.981113] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 783.981121] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 783.981129] [] ? check_preemption_disabled+0x3b/0x200 [ 783.981136] [] ? find_get_entry+0x11a/0x570 [ 783.981143] [] ? find_get_entry+0x141/0x570 [ 783.981150] [] ? page_cache_prev_hole+0x80/0x80 [ 783.981158] [] ? autoremove_wake_function+0x40/0x40 [ 783.981166] [] ? pagecache_get_page+0x131/0x710 [ 783.981173] [] filemap_fault+0xaf1/0x1110 [ 783.981181] [] ext4_filemap_fault+0x71/0xa0 [ 783.981187] [] __do_fault+0x223/0x500 [ 783.981194] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 783.981202] [] ? generic_file_readonly_mmap+0x190/0x190 [ 783.981209] [] handle_mm_fault+0x1326/0x2350 [ 783.981216] [] ? vm_insert_page+0x6f0/0x6f0 [ 783.981223] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 783.981231] [] __do_page_fault+0x403/0xa60 [ 783.981238] [] ? bad_area_access_error+0x3a0/0x3a0 [ 783.981246] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 783.981253] [] do_page_fault+0x27/0x30 [ 783.981260] [] page_fault+0x25/0x30 [ 783.981263] Mem-Info: [ 783.981278] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 783.981278] active_file:6 inactive_file:25 isolated_file:0 [ 783.981278] unevictable:0 dirty:0 writeback:0 unstable:0 [ 783.981278] slab_reclaimable:4624 slab_unreclaimable:56962 [ 783.981278] mapped:4 shmem:48 pagetables:377 bounce:0 [ 783.981278] free:6007 free_pcp:87 free_cma:0 [ 783.981290] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 783.981308] DMA32 free:18620kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:484kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 783.981333] Normal free:5408kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:228kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 783.981386] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 16*32kB (UME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18620kB Normal: 164*4kB (UMH) 50*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5408kB 80 total pagecache pages [ 783.981433] 0 pages in swap cache [ 783.981437] Swap cache stats: add 0, delete 0, find 0/0 [ 783.981439] Free swap = 0kB [ 783.981441] Total swap = 0kB [ 783.981443] 1965979 pages RAM [ 783.981445] 0 pages HighMem/MovableOnly [ 783.981447] 313617 pages reserved [ 784.017529] syz-execprog: page allocation stalls for 10030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 784.017536] CPU: 1 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 784.017549] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 784.017559] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 784.017569] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 784.017570] Call Trace: [ 784.017583] [] dump_stack+0xc1/0x128 [ 784.017591] [] warn_alloc.cold.31+0x7f/0x9c [ 784.017600] [] ? zone_watermark_ok_safe+0x250/0x250 [ 784.017607] [] ? shrink_node+0x740/0x740 [ 784.017617] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 784.017624] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 784.017633] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 784.017641] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 784.017648] [] ? find_get_entry+0x11a/0x570 [ 784.017655] [] ? find_get_entry+0x141/0x570 [ 784.017662] [] ? page_cache_prev_hole+0x80/0x80 [ 784.017671] [] ? autoremove_wake_function+0x40/0x40 [ 784.017678] [] ? pagecache_get_page+0x131/0x710 [ 784.017686] [] filemap_fault+0xaf1/0x1110 [ 784.017694] [] ext4_filemap_fault+0x71/0xa0 [ 784.017701] [] __do_fault+0x223/0x500 [ 784.017707] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 784.017716] [] ? generic_file_readonly_mmap+0x190/0x190 [ 784.017723] [] handle_mm_fault+0x1326/0x2350 [ 784.017730] [] ? vm_insert_page+0x6f0/0x6f0 [ 784.017737] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 784.017744] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 784.017754] [] __do_page_fault+0x403/0xa60 [ 784.017761] [] ? bad_area_access_error+0x3a0/0x3a0 [ 784.017771] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 784.017778] [] do_page_fault+0x27/0x30 [ 784.017786] [] page_fault+0x25/0x30 [ 784.017789] Mem-Info: [ 784.017805] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 784.017805] active_file:6 inactive_file:25 isolated_file:0 [ 784.017805] unevictable:0 dirty:0 writeback:0 unstable:0 [ 784.017805] slab_reclaimable:4624 slab_unreclaimable:56962 [ 784.017805] mapped:4 shmem:48 pagetables:377 bounce:0 [ 784.017805] free:6007 free_pcp:87 free_cma:0 [ 784.017818] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 784.017836] DMA32 free:18620kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:484kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 784.017861] Normal free:5408kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:228kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 784.017916] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 16*32kB (UME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18620kB Normal: 164*4kB (UMH) 50*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5408kB 80 total pagecache pages [ 784.017964] 0 pages in swap cache [ 784.017968] Swap cache stats: add 0, delete 0, find 0/0 [ 784.017970] Free swap = 0kB [ 784.017972] Total swap = 0kB [ 784.017975] 1965979 pages RAM [ 784.017977] 0 pages HighMem/MovableOnly [ 784.017979] 313617 pages reserved [ 784.378115] udevd: page allocation stalls for 10030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 784.378122] CPU: 0 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 784.378137] ffff8801d30977c0 ffffffff81b42e79 1ffff1003a612efa ffff8801d3884740 [ 784.378146] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3097908 [ 784.378155] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 784.378156] Call Trace: [ 784.378170] [] dump_stack+0xc1/0x128 [ 784.378180] [] warn_alloc.cold.31+0x7f/0x9c [ 784.378189] [] ? zone_watermark_ok_safe+0x250/0x250 [ 784.378196] [] ? shrink_node+0x740/0x740 [ 784.378204] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 784.378212] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 784.378220] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 784.378227] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 784.378234] [] ? find_get_entry+0x11a/0x570 [ 784.378240] [] ? find_get_entry+0x141/0x570 [ 784.378253] [] ? page_cache_prev_hole+0x80/0x80 [ 784.378260] [] ? autoremove_wake_function+0x40/0x40 [ 784.378267] [] ? pagecache_get_page+0x131/0x710 [ 784.378273] [] filemap_fault+0xaf1/0x1110 [ 784.378282] [] ext4_filemap_fault+0x71/0xa0 [ 784.378288] [] __do_fault+0x223/0x500 [ 784.378294] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 784.378301] [] ? handle_mm_fault+0x1d4f/0x2350 [ 784.378308] [] handle_mm_fault+0x1326/0x2350 [ 784.378314] [] ? vm_insert_page+0x6f0/0x6f0 [ 784.378321] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 784.378329] [] __do_page_fault+0x403/0xa60 [ 784.378336] [] ? bad_area_access_error+0x3a0/0x3a0 [ 784.378344] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 784.378350] [] do_page_fault+0x27/0x30 [ 784.378358] [] page_fault+0x25/0x30 [ 784.378361] Mem-Info: [ 784.378377] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 784.378377] active_file:6 inactive_file:25 isolated_file:0 [ 784.378377] unevictable:0 dirty:0 writeback:0 unstable:0 [ 784.378377] slab_reclaimable:4624 slab_unreclaimable:56962 [ 784.378377] mapped:4 shmem:48 pagetables:377 bounce:0 [ 784.378377] free:6007 free_pcp:87 free_cma:0 [ 784.378389] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 784.378405] DMA32 free:18620kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:484kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 784.378429] Normal free:5408kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:228kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 784.378479] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 16*32kB (UME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18620kB Normal: 164*4kB (UMH) 50*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5408kB 80 total pagecache pages [ 784.378522] 0 pages in swap cache [ 784.378526] Swap cache stats: add 0, delete 0, find 0/0 [ 784.378532] Free swap = 0kB [ 784.378534] Total swap = 0kB [ 784.378536] 1965979 pages RAM [ 784.378538] 0 pages HighMem/MovableOnly [ 784.378540] 313617 pages reserved [ 784.400821] udevd: page allocation stalls for 10050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 784.400829] CPU: 0 PID: 578 Comm: udevd Not tainted 4.9.141+ #1 [ 784.400841] ffff8801d17bf7c0 ffffffff81b42e79 1ffff1003a2f7efa ffff8801d1725f00 [ 784.400851] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d17bf908 [ 784.400861] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 784.400863] Call Trace: [ 784.400874] [] dump_stack+0xc1/0x128 [ 784.400882] [] warn_alloc.cold.31+0x7f/0x9c [ 784.400891] [] ? zone_watermark_ok_safe+0x250/0x250 [ 784.400898] [] ? shrink_node+0x740/0x740 [ 784.400907] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 784.400915] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 784.400924] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 784.400931] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 784.400939] [] ? find_get_entry+0x11a/0x570 [ 784.400946] [] ? find_get_entry+0x141/0x570 [ 784.400953] [] ? page_cache_prev_hole+0x80/0x80 [ 784.400961] [] ? autoremove_wake_function+0x40/0x40 [ 784.400968] [] ? pagecache_get_page+0x131/0x710 [ 784.400975] [] filemap_fault+0xaf1/0x1110 [ 784.400983] [] ext4_filemap_fault+0x71/0xa0 [ 784.400990] [] __do_fault+0x223/0x500 [ 784.400997] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 784.401005] [] ? generic_file_readonly_mmap+0x190/0x190 [ 784.401012] [] handle_mm_fault+0x1326/0x2350 [ 784.401019] [] ? vm_insert_page+0x6f0/0x6f0 [ 784.401026] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 784.401034] [] __do_page_fault+0x403/0xa60 [ 784.401042] [] ? bad_area_access_error+0x3a0/0x3a0 [ 784.401051] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 784.401058] [] do_page_fault+0x27/0x30 [ 784.401065] [] page_fault+0x25/0x30 [ 784.401068] Mem-Info: [ 784.401084] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 784.401084] active_file:6 inactive_file:25 isolated_file:0 [ 784.401084] unevictable:0 dirty:0 writeback:0 unstable:0 [ 784.401084] slab_reclaimable:4624 slab_unreclaimable:56962 [ 784.401084] mapped:4 shmem:48 pagetables:377 bounce:0 [ 784.401084] free:6007 free_pcp:87 free_cma:0 [ 784.401097] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 784.401114] DMA32 free:18620kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:484kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 784.401141] Normal free:5408kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:228kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 784.401195] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 16*32kB (UME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18620kB Normal: 164*4kB (UMH) 50*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5408kB 80 total pagecache pages [ 784.401243] 0 pages in swap cache [ 784.401247] Swap cache stats: add 0, delete 0, find 0/0 [ 784.401249] Free swap = 0kB [ 784.401251] Total swap = 0kB [ 784.401253] 1965979 pages RAM [ 784.401255] 0 pages HighMem/MovableOnly [ 784.401257] 313617 pages reserved [ 784.433484] syz-execprog: page allocation stalls for 10010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 26 printk messages dropped ** [ 784.433704] [] ? kvm_clock_get_cycles+0x9/0x10 [ 784.433712] [] __do_page_fault+0x403/0xa60 [ 784.433720] [] ? bad_area_access_error+0x3a0/0x3a0 [ 784.433729] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 784.433736] [] do_page_fault+0x27/0x30 [ 784.433743] [] page_fault+0x25/0x30 [ 784.433746] Mem-Info: [ 784.433762] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 784.433762] active_file:6 inactive_file:25 isolated_file:0 [ 784.433762] unevictable:0 dirty:0 writeback:0 unstable:0 [ 784.433762] slab_reclaimable:4624 slab_unreclaimable:56962 [ 784.433762] mapped:4 shmem:48 pagetables:377 bounce:0 [ 784.433762] free:6007 free_pcp:87 free_cma:0 [ 784.433775] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 784.433793] DMA32 free:18620kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:484kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 784.433819] Normal free:5408kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:228kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 784.433873] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 16*32kB (UME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18620kB Normal: 164*4kB (UMH) 50*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5408kB 80 total pagecache pages [ 784.433921] 0 pages in swap cache [ 784.433925] Swap cache stats: add 0, delete 0, find 0/0 [ 784.433927] Free swap = 0kB [ 784.433929] Total swap = 0kB [ 784.433931] 1965979 pages RAM [ 784.433933] 0 pages HighMem/MovableOnly [ 784.433936] 313617 pages reserved [ 784.592875] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 784.592875] to free 124kB on behalf of 'syz-execprog' (2168) because [ 784.592875] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 784.592875] Free memory is -13476kB above reserved [ 785.602865] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 785.602865] to free 124kB on behalf of 'syz-execprog' (2171) because [ 785.602865] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 785.602865] Free memory is -13476kB above reserved [ 786.612831] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 786.612831] to free 124kB on behalf of 'udevd' (470) because [ 786.612831] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 786.612831] Free memory is -13476kB above reserved [ 787.598407] init: page allocation stalls for 10030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 787.598415] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 787.598430] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 787.598441] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 787.598450] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 787.598452] Call Trace: [ 787.598467] [] dump_stack+0xc1/0x128 [ 787.598477] [] warn_alloc.cold.31+0x7f/0x9c [ 787.598487] [] ? zone_watermark_ok_safe+0x250/0x250 [ 787.598495] [] ? shrink_node+0x740/0x740 [ 787.598504] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 787.598512] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 787.598521] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 787.598529] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 787.598536] [] ? find_get_entry+0x11a/0x570 [ 787.598544] [] ? find_get_entry+0x141/0x570 [ 787.598551] [] ? page_cache_prev_hole+0x80/0x80 [ 787.598558] [] ? __lock_acquire+0x654/0x4a10 [ 787.598565] [] ? pagecache_get_page+0x131/0x710 [ 787.598573] [] filemap_fault+0xaf1/0x1110 [ 787.598581] [] ext4_filemap_fault+0x71/0xa0 [ 787.598588] [] __do_fault+0x223/0x500 [ 787.598595] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 787.598603] [] ? generic_file_readonly_mmap+0x190/0x190 [ 787.598610] [] handle_mm_fault+0x1326/0x2350 [ 787.598617] [] ? vm_insert_page+0x6f0/0x6f0 [ 787.598626] [] ? kvm_clock_get_cycles+0x9/0x10 [ 787.598635] [] __do_page_fault+0x403/0xa60 [ 787.598642] [] ? bad_area_access_error+0x3a0/0x3a0 [ 787.598652] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 787.598659] [] do_page_fault+0x27/0x30 [ 787.598667] [] page_fault+0x25/0x30 [ 787.598671] Mem-Info: [ 787.598688] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 787.598688] active_file:6 inactive_file:25 isolated_file:0 [ 787.598688] unevictable:0 dirty:0 writeback:0 unstable:0 [ 787.598688] slab_reclaimable:4624 slab_unreclaimable:56962 [ 787.598688] mapped:4 shmem:48 pagetables:377 bounce:0 [ 787.598688] free:6007 free_pcp:87 free_cma:0 [ 787.598701] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 787.598719] DMA32 free:18620kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:484kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 787.598745] Normal free:5408kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227364kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:228kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 787.598800] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 16*32kB (UME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18620kB Normal: 164*4kB (UMH) 50*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5408kB 80 total pagecache pages [ 787.598848] 0 pages in swap cache [ 787.598852] Swap cache stats: add 0, delete 0, find 0/0 [ 787.598854] Free swap = 0kB [ 787.598856] Total swap = 0kB [ 787.598859] 1965979 pages RAM [ 787.598861] 0 pages HighMem/MovableOnly [ 787.598863] 313617 pages reserved [ 787.622856] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 787.622856] to free 124kB on behalf of 'init' (1) because [ 787.622856] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 787.622856] Free memory is -13476kB above reserved ** 7 printk messages dropped ** [ 792.672831] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 792.672831] to free 124kB on behalf of 'rsyslogd' (1894) because [ 792.672831] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 792.672831] Free memory is -13476kB above reserved [ 792.672845] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 792.672845] to free 124kB on behalf of 'syz-execprog' (2156) because [ 792.672845] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 792.672845] Free memory is -13476kB above reserved [ 793.682843] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 793.682843] to free 124kB on behalf of 'syz-execprog' (2154) because [ 793.682843] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 793.682843] Free memory is -13476kB above reserved [ 793.682855] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 793.682855] to free 124kB on behalf of 'init' (1) because [ 793.682855] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 793.682855] Free memory is -13476kB above reserved [ 793.961464] syz-execprog: page allocation stalls for 20010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 793.961472] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 793.961487] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 793.961497] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 793.961507] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 793.961509] Call Trace: [ 793.961524] [] dump_stack+0xc1/0x128 [ 793.961534] [] warn_alloc.cold.31+0x7f/0x9c [ 793.961544] [] ? zone_watermark_ok_safe+0x250/0x250 [ 793.961552] [] ? shrink_node+0x740/0x740 [ 793.961561] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 793.961569] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 793.961577] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 793.961586] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 793.961593] [] ? find_get_entry+0x11a/0x570 [ 793.961600] [] ? find_get_entry+0x141/0x570 [ 793.961607] [] ? page_cache_prev_hole+0x80/0x80 [ 793.961616] [] ? autoremove_wake_function+0x40/0x40 [ 793.961623] [] ? pagecache_get_page+0x131/0x710 [ 793.961631] [] filemap_fault+0xaf1/0x1110 [ 793.961639] [] ext4_filemap_fault+0x71/0xa0 [ 793.961646] [] __do_fault+0x223/0x500 [ 793.961653] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 793.961661] [] ? generic_file_readonly_mmap+0x190/0x190 [ 793.961668] [] handle_mm_fault+0x1326/0x2350 [ 793.961677] [] ? ep_poll+0x18f/0xb20 [ 793.961684] [] ? vm_insert_page+0x6f0/0x6f0 [ 793.961691] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 793.961700] [] __do_page_fault+0x403/0xa60 [ 793.961709] [] ? __fget_light+0x169/0x1f0 [ 793.961716] [] ? bad_area_access_error+0x3a0/0x3a0 [ 793.961726] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 793.961733] [] do_page_fault+0x27/0x30 [ 793.961741] [] page_fault+0x25/0x30 [ 793.961744] Mem-Info: [ 793.961760] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 793.961760] active_file:6 inactive_file:25 isolated_file:0 [ 793.961760] unevictable:0 dirty:0 writeback:0 unstable:0 [ 793.961760] slab_reclaimable:4624 slab_unreclaimable:56963 [ 793.961760] mapped:4 shmem:48 pagetables:377 bounce:0 [ 793.961760] free:6007 free_pcp:86 free_cma:0 [ 793.961773] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 793.961791] DMA32 free:18620kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:484kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 793.961817] Normal free:5408kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227368kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:224kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 793.961872] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 16*32kB (UME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18620kB Normal: 164*4kB (UMH) 50*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5408kB 80 total pagecache pages [ 793.961926] 0 pages in swap cache [ 793.961930] Swap cache stats: add 0, delete 0, find 0/0 [ 793.961932] Free swap = 0kB [ 793.961934] Total swap = 0kB [ 793.961937] 1965979 pages RAM [ 793.961939] 0 pages HighMem/MovableOnly [ 793.961941] 313617 pages reserved [ 793.968118] syz-execprog: page allocation stalls for 20040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 793.968126] CPU: 1 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 793.968138] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 793.968149] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 793.968158] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 793.968160] Call Trace: [ 793.968169] [] dump_stack+0xc1/0x128 [ 793.968177] [] warn_alloc.cold.31+0x7f/0x9c [ 793.968185] [] ? zone_watermark_ok_safe+0x250/0x250 [ 793.968193] [] ? shrink_node+0x740/0x740 [ 793.968202] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 793.968211] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 793.968218] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 793.968225] [] ? find_get_entry+0x11a/0x570 [ 793.968232] [] ? find_get_entry+0x141/0x570 [ 793.968239] [] ? page_cache_prev_hole+0x80/0x80 [ 793.968247] [] ? autoremove_wake_function+0x40/0x40 [ 793.968255] [] ? pagecache_get_page+0x131/0x710 [ 793.968262] [] filemap_fault+0xaf1/0x1110 [ 793.968270] [] ext4_filemap_fault+0x71/0xa0 [ 793.968276] [] __do_fault+0x223/0x500 [ 793.968283] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 793.968291] [] ? generic_file_readonly_mmap+0x190/0x190 [ 793.968299] [] handle_mm_fault+0x1326/0x2350 [ 793.968307] [] ? poll_select_set_timeout+0xb5/0x120 [ 793.968314] [] ? vm_insert_page+0x6f0/0x6f0 [ 793.968321] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 793.968329] [] __do_page_fault+0x403/0xa60 [ 793.968336] [] ? __fget_light+0x169/0x1f0 [ 793.968344] [] ? bad_area_access_error+0x3a0/0x3a0 [ 793.968353] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 793.968359] [] do_page_fault+0x27/0x30 [ 793.968366] [] page_fault+0x25/0x30 [ 793.968369] Mem-Info: [ 793.968385] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 793.968385] active_file:6 inactive_file:25 isolated_file:0 [ 793.968385] unevictable:0 dirty:0 writeback:0 unstable:0 [ 793.968385] slab_reclaimable:4624 slab_unreclaimable:56963 [ 793.968385] mapped:4 shmem:48 pagetables:377 bounce:0 [ 793.968385] free:6007 free_pcp:86 free_cma:0 [ 793.968398] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 793.968420] DMA32 free:18620kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:484kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 793.968445] Normal free:5408kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227368kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:224kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 793.968499] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 16*32kB (UME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18620kB Normal: 164*4kB (UMH) 50*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5408kB 80 total pagecache pages [ 793.968546] 0 pages in swap cache [ 793.968550] Swap cache stats: add 0, delete 0, find 0/0 [ 793.968552] Free swap = 0kB [ 793.968554] Total swap = 0kB [ 793.968556] 1965979 pages RAM [ 793.968559] 0 pages HighMem/MovableOnly [ 793.968561] 313617 pages reserved [ 793.973874] rsyslogd: page allocation stalls for 20060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 793.973881] CPU: 1 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 793.973893] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 793.973903] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 793.973912] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 793.973914] Call Trace: [ 793.973923] [] dump_stack+0xc1/0x128 [ 793.973930] [] warn_alloc.cold.31+0x7f/0x9c [ 793.973939] [] ? zone_watermark_ok_safe+0x250/0x250 [ 793.973946] [] ? shrink_node+0x740/0x740 [ 793.973955] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 793.973964] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 793.973973] [] ? check_preemption_disabled+0x3b/0x200 [ 793.973980] [] ? find_get_entry+0x11a/0x570 [ 793.973987] [] ? find_get_entry+0x141/0x570 [ 793.973994] [] ? page_cache_prev_hole+0x80/0x80 [ 793.974002] [] ? autoremove_wake_function+0x40/0x40 [ 793.974009] [] ? pagecache_get_page+0x131/0x710 [ 793.974017] [] filemap_fault+0xaf1/0x1110 [ 793.974024] [] ext4_filemap_fault+0x71/0xa0 [ 793.974031] [] __do_fault+0x223/0x500 [ 793.974038] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 793.974046] [] ? generic_file_readonly_mmap+0x190/0x190 [ 793.974053] [] handle_mm_fault+0x1326/0x2350 [ 793.974060] [] ? vm_insert_page+0x6f0/0x6f0 [ 793.974068] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 793.974076] [] __do_page_fault+0x403/0xa60 [ 793.974084] [] ? bad_area_access_error+0x3a0/0x3a0 [ 793.974092] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 793.974099] [] do_page_fault+0x27/0x30 [ 793.974106] [] page_fault+0x25/0x30 [ 793.974109] Mem-Info: [ 793.974124] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 793.974124] active_file:6 inactive_file:25 isolated_file:0 [ 793.974124] unevictable:0 dirty:0 writeback:0 unstable:0 [ 793.974124] slab_reclaimable:4624 slab_unreclaimable:56963 [ 793.974124] mapped:4 shmem:48 pagetables:377 bounce:0 [ 793.974124] free:6007 free_pcp:86 free_cma:0 [ 793.974137] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 793.974155] DMA32 free:18620kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:484kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 793.974181] Normal free:5408kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227368kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:224kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 793.974234] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 16*32kB (UME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18620kB Normal: 164*4kB (UMH) 50*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5408kB 80 total pagecache pages [ 793.974281] 0 pages in swap cache [ 793.974285] Swap cache stats: add 0, delete 0, find 0/0 [ 793.974287] Free swap = 0kB [ 793.974289] Total swap = 0kB [ 793.974292] 1965979 pages RAM [ 793.974294] 0 pages HighMem/MovableOnly [ 793.974296] 313617 pages reserved [ 793.997805] syz-execprog: page allocation stalls for 20010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 793.997812] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 793.997824] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 793.997833] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 ** 63 printk messages dropped ** [ 793.999403] [] filemap_fault+0xaf1/0x1110 ** 50 printk messages dropped ** [ 794.368264] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 794.368271] [] ? handle_mm_fault+0x1d4f/0x2350 [ 794.368279] [] handle_mm_fault+0x1326/0x2350 [ 794.368286] [] ? vm_insert_page+0x6f0/0x6f0 [ 794.368293] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 794.368302] [] __do_page_fault+0x403/0xa60 [ 794.368310] [] ? bad_area_access_error+0x3a0/0x3a0 [ 794.368320] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 794.368326] [] do_page_fault+0x27/0x30 ** 88 printk messages dropped ** [ 794.438799] [] __do_fault+0x223/0x500 ** 35 printk messages dropped ** [ 797.583549] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 797.583564] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 797.583574] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 797.583584] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 797.583586] Call Trace: [ 797.583601] [] dump_stack+0xc1/0x128 [ 797.583610] [] warn_alloc.cold.31+0x7f/0x9c [ 797.583620] [] ? zone_watermark_ok_safe+0x250/0x250 [ 797.583629] [] ? shrink_node+0x740/0x740 [ 797.583638] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 797.583646] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 797.583655] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 797.583664] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 797.583671] [] ? find_get_entry+0x11a/0x570 [ 797.583677] [] ? find_get_entry+0x141/0x570 [ 797.583690] [] ? page_cache_prev_hole+0x80/0x80 [ 797.583697] [] ? __lock_acquire+0x654/0x4a10 [ 797.583705] [] ? pagecache_get_page+0x131/0x710 [ 797.583712] [] filemap_fault+0xaf1/0x1110 [ 797.583721] [] ext4_filemap_fault+0x71/0xa0 [ 797.583728] [] __do_fault+0x223/0x500 [ 797.583735] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 797.583743] [] ? generic_file_readonly_mmap+0x190/0x190 [ 797.583750] [] handle_mm_fault+0x1326/0x2350 [ 797.583757] [] ? vm_insert_page+0x6f0/0x6f0 [ 797.583766] [] ? kvm_clock_get_cycles+0x9/0x10 [ 797.583774] [] __do_page_fault+0x403/0xa60 [ 797.583781] [] ? bad_area_access_error+0x3a0/0x3a0 [ 797.583791] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 797.583798] [] do_page_fault+0x27/0x30 [ 797.583807] [] page_fault+0x25/0x30 [ 797.583810] Mem-Info: [ 797.583827] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 797.583827] active_file:6 inactive_file:25 isolated_file:0 [ 797.583827] unevictable:0 dirty:0 writeback:0 unstable:0 [ 797.583827] slab_reclaimable:4624 slab_unreclaimable:56969 [ 797.583827] mapped:4 shmem:48 pagetables:377 bounce:0 [ 797.583827] free:6001 free_pcp:86 free_cma:0 [ 797.583840] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 797.583859] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 797.583885] Normal free:5400kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227376kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:224kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 797.583941] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 49*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5400kB 80 total pagecache pages [ 797.583989] 0 pages in swap cache [ 797.583993] Swap cache stats: add 0, delete 0, find 0/0 [ 797.583995] Free swap = 0kB [ 797.583997] Total swap = 0kB [ 797.584000] 1965979 pages RAM [ 797.584002] 0 pages HighMem/MovableOnly [ 797.584004] 313617 pages reserved [ 797.722808] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 797.722808] to free 124kB on behalf of 'init' (1) because [ 797.722808] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 797.722808] Free memory is -13500kB above reserved [ 797.722829] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 797.722829] to free 124kB on behalf of 'syz-execprog' (2156) because [ 797.722829] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 797.722829] Free memory is -13500kB above reserved [ 798.732829] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 798.732829] to free 124kB on behalf of 'udevd' (578) because [ 798.732829] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 798.732829] Free memory is -13500kB above reserved [ 798.732840] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 798.732840] to free 124kB on behalf of 'rsyslogd' (1894) because [ 798.732840] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 798.732840] Free memory is -13500kB above reserved [ 799.742858] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 799.742858] to free 124kB on behalf of 'syz-execprog' (2168) because [ 799.742858] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 799.742858] Free memory is -13500kB above reserved [ 799.742870] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 799.742870] to free 124kB on behalf of 'syz-execprog' (2154) because [ 799.742870] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 799.742870] Free memory is -13500kB above reserved [ 800.752858] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 800.752858] to free 124kB on behalf of 'syz-execprog' (2154) because [ 800.752858] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 800.752858] Free memory is -13500kB above reserved [ 801.762826] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 801.762826] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 801.762826] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 801.762826] Free memory is -13500kB above reserved [ 802.772832] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 802.772832] to free 124kB on behalf of 'syz-execprog' (2168) because [ 802.772832] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 802.772832] Free memory is -13500kB above reserved [ 803.782852] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 803.782852] to free 124kB on behalf of 'udevd' (470) because [ 803.782852] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 803.782852] Free memory is -13500kB above reserved [ 803.782863] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 803.782863] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 803.782863] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 803.782863] Free memory is -13500kB above reserved [ 803.930955] rsyslogd: page allocation stalls for 30010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 803.930963] CPU: 0 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 803.930978] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 803.930988] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 803.930998] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 803.931000] Call Trace: [ 803.931016] [] dump_stack+0xc1/0x128 [ 803.931026] [] warn_alloc.cold.31+0x7f/0x9c [ 803.931035] [] ? zone_watermark_ok_safe+0x250/0x250 [ 803.931043] [] ? shrink_node+0x740/0x740 ** 25 printk messages dropped ** [ 803.931273] lowmem_reserve[]: 0 3505 3505 [ 803.931292] Normal free:5400kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227380kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:220kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 803.931347] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 49*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5400kB 80 total pagecache pages [ 803.931395] 0 pages in swap cache [ 803.931399] Swap cache stats: add 0, delete 0, find 0/0 [ 803.931401] Free swap = 0kB [ 803.931403] Total swap = 0kB [ 803.931406] 1965979 pages RAM [ 803.931408] 0 pages HighMem/MovableOnly [ 803.931410] 313617 pages reserved [ 803.947324] syz-execprog: page allocation stalls for 30020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 803.947331] CPU: 0 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 803.947344] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 803.947354] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 803.947364] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 803.947365] Call Trace: [ 803.947377] [] dump_stack+0xc1/0x128 [ 803.947385] [] warn_alloc.cold.31+0x7f/0x9c [ 803.947394] [] ? zone_watermark_ok_safe+0x250/0x250 [ 803.947401] [] ? shrink_node+0x740/0x740 [ 803.947410] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 803.947420] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 803.947428] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 803.947436] [] ? find_get_entry+0x11a/0x570 [ 803.947443] [] ? find_get_entry+0x141/0x570 [ 803.947450] [] ? page_cache_prev_hole+0x80/0x80 [ 803.947458] [] ? autoremove_wake_function+0x40/0x40 [ 803.947465] [] ? pagecache_get_page+0x131/0x710 [ 803.947473] [] filemap_fault+0xaf1/0x1110 [ 803.947481] [] ext4_filemap_fault+0x71/0xa0 [ 803.947488] [] __do_fault+0x223/0x500 [ 803.947494] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 803.947503] [] ? generic_file_readonly_mmap+0x190/0x190 [ 803.947510] [] handle_mm_fault+0x1326/0x2350 [ 803.947519] [] ? poll_select_set_timeout+0xb5/0x120 [ 803.947526] [] ? vm_insert_page+0x6f0/0x6f0 [ 803.947533] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 803.947542] [] __do_page_fault+0x403/0xa60 [ 803.947549] [] ? __fget_light+0x169/0x1f0 [ 803.947557] [] ? bad_area_access_error+0x3a0/0x3a0 [ 803.947566] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 803.947572] [] do_page_fault+0x27/0x30 [ 803.947580] [] page_fault+0x25/0x30 [ 803.947584] Mem-Info: [ 803.947599] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 803.947599] active_file:6 inactive_file:25 isolated_file:0 [ 803.947599] unevictable:0 dirty:0 writeback:0 unstable:0 [ 803.947599] slab_reclaimable:4624 slab_unreclaimable:56970 [ 803.947599] mapped:4 shmem:48 pagetables:377 bounce:0 [ 803.947599] free:6001 free_pcp:85 free_cma:0 [ 803.947612] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 803.947630] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 803.947656] Normal free:5400kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227380kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:220kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 803.947710] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 49*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5400kB 80 total pagecache pages [ 803.947758] 0 pages in swap cache [ 803.947762] Swap cache stats: add 0, delete 0, find 0/0 [ 803.947764] Free swap = 0kB [ 803.947765] Total swap = 0kB [ 803.947767] 1965979 pages RAM [ 803.947769] 0 pages HighMem/MovableOnly [ 803.947771] 313617 pages reserved [ 803.959587] syz-execprog: page allocation stalls for 30010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 803.959594] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 803.959607] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 803.959617] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 803.959627] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 803.959629] Call Trace: [ 803.959637] [] dump_stack+0xc1/0x128 [ 803.959645] [] warn_alloc.cold.31+0x7f/0x9c [ 803.959653] [] ? zone_watermark_ok_safe+0x250/0x250 [ 803.959661] [] ? shrink_node+0x740/0x740 [ 803.959670] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 803.959677] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 803.959686] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 803.959693] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 803.959700] [] ? find_get_entry+0x11a/0x570 [ 803.959707] [] ? find_get_entry+0x141/0x570 [ 803.959714] [] ? page_cache_prev_hole+0x80/0x80 [ 803.959722] [] ? autoremove_wake_function+0x40/0x40 [ 803.959729] [] ? pagecache_get_page+0x131/0x710 [ 803.959737] [] filemap_fault+0xaf1/0x1110 [ 803.959745] [] ext4_filemap_fault+0x71/0xa0 [ 803.959751] [] __do_fault+0x223/0x500 [ 803.959758] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 803.959766] [] ? generic_file_readonly_mmap+0x190/0x190 [ 803.959773] [] handle_mm_fault+0x1326/0x2350 [ 803.959781] [] ? ep_poll+0x18f/0xb20 [ 803.959788] [] ? vm_insert_page+0x6f0/0x6f0 [ 803.959795] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 803.959804] [] __do_page_fault+0x403/0xa60 [ 803.959812] [] ? __fget_light+0x169/0x1f0 [ 803.959819] [] ? bad_area_access_error+0x3a0/0x3a0 [ 803.959827] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 803.959834] [] do_page_fault+0x27/0x30 [ 803.959841] [] page_fault+0x25/0x30 [ 803.959844] Mem-Info: [ 803.959859] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 803.959859] active_file:6 inactive_file:25 isolated_file:0 [ 803.959859] unevictable:0 dirty:0 writeback:0 unstable:0 [ 803.959859] slab_reclaimable:4624 slab_unreclaimable:56970 [ 803.959859] mapped:4 shmem:48 pagetables:377 bounce:0 [ 803.959859] free:6001 free_pcp:85 free_cma:0 [ 803.959872] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 803.959889] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 803.959915] Normal free:5400kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227380kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:220kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 803.959969] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 49*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5400kB 80 total pagecache pages [ 803.960017] 0 pages in swap cache [ 803.960020] Swap cache stats: add 0, delete 0, find 0/0 [ 803.960023] Free swap = 0kB [ 803.960025] Total swap = 0kB [ 803.960027] 1965979 pages RAM [ 803.960029] 0 pages HighMem/MovableOnly [ 803.960031] 313617 pages reserved [ 803.987326] syz-executor.1: page allocation stalls for 30040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 803.987333] CPU: 0 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 803.987346] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 803.987356] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 803.987366] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 803.987368] Call Trace: [ 803.987378] [] dump_stack+0xc1/0x128 [ 803.987386] [] warn_alloc.cold.31+0x7f/0x9c [ 803.987394] [] ? zone_watermark_ok_safe+0x250/0x250 [ 803.987402] [] ? shrink_node+0x740/0x740 [ 803.987411] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 803.987420] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 803.987429] [] ? check_preemption_disabled+0x3b/0x200 [ 803.987437] [] ? find_get_entry+0x11a/0x570 [ 803.987444] [] ? find_get_entry+0x141/0x570 [ 803.987451] [] ? page_cache_prev_hole+0x80/0x80 [ 803.987458] [] ? pagecache_get_page+0x131/0x710 [ 803.987466] [] filemap_fault+0xaf1/0x1110 [ 803.987473] [] ext4_filemap_fault+0x71/0xa0 [ 803.987480] [] __do_fault+0x223/0x500 [ 803.987487] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 803.987495] [] ? generic_file_readonly_mmap+0x190/0x190 [ 803.987502] [] handle_mm_fault+0x1326/0x2350 [ 803.987509] [] ? vm_insert_page+0x6f0/0x6f0 [ 803.987518] [] __do_page_fault+0x403/0xa60 [ 803.987525] [] ? bad_area_access_error+0x3a0/0x3a0 [ 803.987534] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 803.987541] [] do_page_fault+0x27/0x30 [ 803.987548] [] page_fault+0x25/0x30 [ 803.987551] Mem-Info: [ 803.987567] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 803.987567] active_file:6 inactive_file:25 isolated_file:0 [ 803.987567] unevictable:0 dirty:0 writeback:0 unstable:0 [ 803.987567] slab_reclaimable:4624 slab_unreclaimable:56970 [ 803.987567] mapped:4 shmem:48 pagetables:377 bounce:0 [ 803.987567] free:6001 free_pcp:85 free_cma:0 [ 803.987580] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 803.987598] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 803.987624] Normal free:5400kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227380kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:220kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 803.987678] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 49*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5400kB 80 total pagecache pages [ 803.987726] 0 pages in swap cache [ 803.987730] Swap cache stats: add 0, delete 0, find 0/0 [ 803.987732] Free swap = 0kB [ 803.987734] Total swap = 0kB [ 803.987736] 1965979 pages RAM [ 803.987738] 0 pages HighMem/MovableOnly [ 803.987740] 313617 pages reserved [ 804.000176] syz-execprog: page allocation stalls for 30010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 804.000183] CPU: 1 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 804.000196] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 804.000207] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 ** 50 printk messages dropped ** [ 804.376363] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 57 printk messages dropped ** [ 804.403712] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 804.403719] [] ? find_get_entry+0x11a/0x570 [ 804.403726] [] ? find_get_entry+0x141/0x570 [ 804.403733] [] ? page_cache_prev_hole+0x80/0x80 [ 804.403741] [] ? autoremove_wake_function+0x40/0x40 [ 804.403749] [] ? pagecache_get_page+0x131/0x710 [ 804.403756] [] filemap_fault+0xaf1/0x1110 ** 42 printk messages dropped ** [ 804.438817] [] ? check_preemption_disabled+0x3b/0x200 ** 40 printk messages dropped ** [ 807.577852] init: page allocation stalls for 30010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 47 printk messages dropped ** [ 807.578317] 313617 pages reserved [ 807.822830] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 807.822830] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 807.822830] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 807.822830] Free memory is -13500kB above reserved [ 808.832808] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 808.832808] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 808.832808] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 808.832808] Free memory is -13500kB above reserved [ 809.842820] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 809.842820] to free 124kB on behalf of 'udevd' (470) because [ 809.842820] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 809.842820] Free memory is -13500kB above reserved [ 810.852822] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 810.852822] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 810.852822] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 810.852822] Free memory is -13500kB above reserved [ 811.862793] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 811.862793] to free 124kB on behalf of 'syz-executor.4' (2327) because [ 811.862793] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 811.862793] Free memory is -13500kB above reserved [ 812.872878] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 812.872878] to free 124kB on behalf of 'rsyslogd' (1894) because [ 812.872878] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 812.872878] Free memory is -13500kB above reserved [ 812.872890] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 812.872890] to free 124kB on behalf of 'syz-execprog' (2156) because [ 812.872890] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 812.872890] Free memory is -13500kB above reserved [ 813.882815] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 813.882815] to free 124kB on behalf of 'syz-executor.1' (2175) because [ 813.882815] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 813.882815] Free memory is -13500kB above reserved [ 813.928149] rsyslogd: page allocation stalls for 40010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 813.928158] CPU: 0 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 813.928173] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 813.928183] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 813.928193] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 813.928195] Call Trace: [ 813.928211] [] dump_stack+0xc1/0x128 [ 813.928221] [] warn_alloc.cold.31+0x7f/0x9c [ 813.928231] [] ? zone_watermark_ok_safe+0x250/0x250 [ 813.928239] [] ? shrink_node+0x740/0x740 [ 813.928248] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 813.928257] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 813.928266] [] ? check_preemption_disabled+0x3b/0x200 [ 813.928273] [] ? find_get_entry+0x11a/0x570 [ 813.928280] [] ? find_get_entry+0x141/0x570 [ 813.928287] [] ? page_cache_prev_hole+0x80/0x80 [ 813.928296] [] ? autoremove_wake_function+0x40/0x40 [ 813.928303] [] ? pagecache_get_page+0x131/0x710 [ 813.928311] [] filemap_fault+0xaf1/0x1110 [ 813.928320] [] ext4_filemap_fault+0x71/0xa0 [ 813.928327] [] __do_fault+0x223/0x500 [ 813.928333] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 813.928341] [] ? generic_file_readonly_mmap+0x190/0x190 [ 813.928348] [] handle_mm_fault+0x1326/0x2350 [ 813.928355] [] ? vm_insert_page+0x6f0/0x6f0 [ 813.928364] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 813.928373] [] __do_page_fault+0x403/0xa60 [ 813.928381] [] ? bad_area_access_error+0x3a0/0x3a0 [ 813.928390] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 813.928397] [] do_page_fault+0x27/0x30 [ 813.928406] [] page_fault+0x25/0x30 [ 813.928409] Mem-Info: [ 813.928426] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 813.928426] active_file:6 inactive_file:25 isolated_file:0 [ 813.928426] unevictable:0 dirty:0 writeback:0 unstable:0 [ 813.928426] slab_reclaimable:4624 slab_unreclaimable:56970 [ 813.928426] mapped:4 shmem:48 pagetables:377 bounce:0 [ 813.928426] free:6001 free_pcp:85 free_cma:0 [ 813.928439] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 813.928457] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 813.928483] Normal free:5400kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227380kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:220kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 813.928538] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 49*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5400kB 80 total pagecache pages [ 813.928586] 0 pages in swap cache [ 813.928590] Swap cache stats: add 0, delete 0, find 0/0 [ 813.928592] Free swap = 0kB [ 813.928594] Total swap = 0kB [ 813.928596] 1965979 pages RAM [ 813.928599] 0 pages HighMem/MovableOnly [ 813.928601] 313617 pages reserved [ 813.938104] syz-execprog: page allocation stalls for 40010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 813.938111] CPU: 0 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 813.938123] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 813.938133] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 813.938142] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 813.938144] Call Trace: [ 813.938153] [] dump_stack+0xc1/0x128 [ 813.938160] [] warn_alloc.cold.31+0x7f/0x9c [ 813.938168] [] ? zone_watermark_ok_safe+0x250/0x250 [ 813.938176] [] ? shrink_node+0x740/0x740 [ 813.938185] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 813.938193] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 813.938202] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 813.938209] [] ? find_get_entry+0x11a/0x570 [ 813.938216] [] ? find_get_entry+0x141/0x570 [ 813.938223] [] ? page_cache_prev_hole+0x80/0x80 [ 813.938231] [] ? autoremove_wake_function+0x40/0x40 [ 813.938238] [] ? pagecache_get_page+0x131/0x710 [ 813.938246] [] filemap_fault+0xaf1/0x1110 [ 813.938253] [] ext4_filemap_fault+0x71/0xa0 [ 813.938260] [] __do_fault+0x223/0x500 [ 813.938267] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 813.938275] [] ? generic_file_readonly_mmap+0x190/0x190 [ 813.938282] [] handle_mm_fault+0x1326/0x2350 [ 813.938291] [] ? poll_select_set_timeout+0xb5/0x120 ** 14 printk messages dropped ** [ 813.938432] lowmem_reserve[]: 0 0 0 [ 813.938480] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 49*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5400kB 80 total pagecache pages [ 813.938527] 0 pages in swap cache [ 813.938531] Swap cache stats: add 0, delete 0, find 0/0 [ 813.938533] Free swap = 0kB [ 813.938535] Total swap = 0kB [ 813.938537] 1965979 pages RAM [ 813.938539] 0 pages HighMem/MovableOnly [ 813.938541] 313617 pages reserved [ 813.952965] syz-executor.1: page allocation stalls for 40010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 813.952972] CPU: 0 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 813.952985] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 813.952995] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 813.953005] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 813.953006] Call Trace: [ 813.953016] [] dump_stack+0xc1/0x128 [ 813.953024] [] warn_alloc.cold.31+0x7f/0x9c [ 813.953032] [] ? zone_watermark_ok_safe+0x250/0x250 [ 813.953040] [] ? shrink_node+0x740/0x740 [ 813.953049] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 813.953058] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 813.953067] [] ? check_preemption_disabled+0x3b/0x200 [ 813.953074] [] ? find_get_entry+0x11a/0x570 [ 813.953081] [] ? find_get_entry+0x141/0x570 [ 813.953088] [] ? page_cache_prev_hole+0x80/0x80 [ 813.953096] [] ? pagecache_get_page+0x131/0x710 [ 813.953103] [] filemap_fault+0xaf1/0x1110 [ 813.953111] [] ext4_filemap_fault+0x71/0xa0 [ 813.953118] [] __do_fault+0x223/0x500 [ 813.953124] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 813.953132] [] ? generic_file_readonly_mmap+0x190/0x190 [ 813.953139] [] handle_mm_fault+0x1326/0x2350 [ 813.953146] [] ? vm_insert_page+0x6f0/0x6f0 [ 813.953155] [] __do_page_fault+0x403/0xa60 [ 813.953162] [] ? bad_area_access_error+0x3a0/0x3a0 [ 813.953171] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 813.953178] [] do_page_fault+0x27/0x30 [ 813.953185] [] page_fault+0x25/0x30 [ 813.953188] Mem-Info: [ 813.953203] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 813.953203] active_file:6 inactive_file:25 isolated_file:0 [ 813.953203] unevictable:0 dirty:0 writeback:0 unstable:0 [ 813.953203] slab_reclaimable:4624 slab_unreclaimable:56970 [ 813.953203] mapped:4 shmem:48 pagetables:377 bounce:0 [ 813.953203] free:6001 free_pcp:85 free_cma:0 [ 813.953216] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 813.953234] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 813.953260] Normal free:5400kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227380kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:220kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 813.953314] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 49*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5400kB 80 total pagecache pages [ 813.953361] 0 pages in swap cache [ 813.953365] Swap cache stats: add 0, delete 0, find 0/0 [ 813.953367] Free swap = 0kB [ 813.953370] Total swap = 0kB [ 813.953372] 1965979 pages RAM [ 813.953374] 0 pages HighMem/MovableOnly [ 813.953376] 313617 pages reserved [ 813.958052] syz-execprog: page allocation stalls for 40010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 813.958059] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 813.958071] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 813.958082] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 813.958091] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 813.958093] Call Trace: [ 813.958102] [] dump_stack+0xc1/0x128 [ 813.958110] [] warn_alloc.cold.31+0x7f/0x9c [ 813.958122] [] ? zone_watermark_ok_safe+0x250/0x250 [ 813.958130] [] ? shrink_node+0x740/0x740 [ 813.958139] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 813.958146] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 813.958155] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 813.958163] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 813.958170] [] ? find_get_entry+0x11a/0x570 [ 813.958177] [] ? find_get_entry+0x141/0x570 [ 813.958184] [] ? page_cache_prev_hole+0x80/0x80 [ 813.958192] [] ? autoremove_wake_function+0x40/0x40 [ 813.958200] [] ? pagecache_get_page+0x131/0x710 [ 813.958207] [] filemap_fault+0xaf1/0x1110 [ 813.958215] [] ext4_filemap_fault+0x71/0xa0 [ 813.958221] [] __do_fault+0x223/0x500 [ 813.958228] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 813.958236] [] ? generic_file_readonly_mmap+0x190/0x190 [ 813.958243] [] handle_mm_fault+0x1326/0x2350 [ 813.958251] [] ? ep_poll+0x18f/0xb20 [ 813.958258] [] ? vm_insert_page+0x6f0/0x6f0 [ 813.958265] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 813.958273] [] __do_page_fault+0x403/0xa60 [ 813.958280] [] ? __fget_light+0x169/0x1f0 [ 813.958288] [] ? bad_area_access_error+0x3a0/0x3a0 [ 813.958296] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 813.958304] [] do_page_fault+0x27/0x30 [ 813.958311] [] page_fault+0x25/0x30 [ 813.958314] Mem-Info: [ 813.958329] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 813.958329] active_file:6 inactive_file:25 isolated_file:0 [ 813.958329] unevictable:0 dirty:0 writeback:0 unstable:0 [ 813.958329] slab_reclaimable:4624 slab_unreclaimable:56970 [ 813.958329] mapped:4 shmem:48 pagetables:377 bounce:0 [ 813.958329] free:6001 free_pcp:85 free_cma:0 [ 813.958341] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 813.958359] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 813.958385] Normal free:5400kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227380kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:220kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 813.958439] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 49*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5400kB 80 total pagecache pages [ 813.958486] 0 pages in swap cache [ 813.958490] Swap cache stats: add 0, delete 0, find 0/0 [ 813.958492] Free swap = 0kB [ 813.958494] Total swap = 0kB [ 813.958497] 1965979 pages RAM [ 813.958499] 0 pages HighMem/MovableOnly [ 813.958501] 313617 pages reserved [ 814.032710] syz-execprog: page allocation stalls for 40040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 814.032718] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 814.032731] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 814.032745] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 814.032754] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 814.032756] Call Trace: [ 814.032769] [] dump_stack+0xc1/0x128 [ 814.032778] [] warn_alloc.cold.31+0x7f/0x9c [ 814.032786] [] ? zone_watermark_ok_safe+0x250/0x250 [ 814.032793] [] ? shrink_node+0x740/0x740 [ 814.032802] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 814.032809] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 814.032817] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 814.032824] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 814.032831] [] ? find_get_entry+0x11a/0x570 [ 814.032837] [] ? find_get_entry+0x141/0x570 [ 814.032844] [] ? page_cache_prev_hole+0x80/0x80 [ 814.032852] [] ? autoremove_wake_function+0x40/0x40 [ 814.032858] [] ? pagecache_get_page+0x131/0x710 [ 814.032865] [] filemap_fault+0xaf1/0x1110 [ 814.032873] [] ext4_filemap_fault+0x71/0xa0 [ 814.032879] [] __do_fault+0x223/0x500 [ 814.032886] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 814.032893] [] ? generic_file_readonly_mmap+0x190/0x190 [ 814.032900] [] handle_mm_fault+0x1326/0x2350 [ 814.032907] [] ? vm_insert_page+0x6f0/0x6f0 [ 814.032913] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 814.032919] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 814.032927] [] __do_page_fault+0x403/0xa60 [ 814.032934] [] ? bad_area_access_error+0x3a0/0x3a0 [ 814.032943] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 814.032949] [] do_page_fault+0x27/0x30 [ 814.032956] [] page_fault+0x25/0x30 [ 814.032993] Mem-Info: [ 814.033008] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 814.033008] active_file:6 inactive_file:25 isolated_file:0 [ 814.033008] unevictable:0 dirty:0 writeback:0 unstable:0 [ 814.033008] slab_reclaimable:4624 slab_unreclaimable:56970 [ 814.033008] mapped:4 shmem:48 pagetables:377 bounce:0 [ 814.033008] free:6001 free_pcp:85 free_cma:0 [ 814.033020] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 814.033037] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 814.033061] Normal free:5400kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227380kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:220kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 814.033111] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 49*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5400kB 80 total pagecache pages [ 814.033154] 0 pages in swap cache [ 814.033158] Swap cache stats: add 0, delete 0, find 0/0 [ 814.033160] Free swap = 0kB [ 814.033162] Total swap = 0kB [ 814.033164] 1965979 pages RAM [ 814.033166] 0 pages HighMem/MovableOnly [ 814.033167] 313617 pages reserved [ 814.365763] udevd: page allocation stalls for 40020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 814.365771] CPU: 0 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 814.365786] ffff8801d30977c0 ffffffff81b42e79 1ffff1003a612efa ffff8801d3884740 [ 814.365796] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3097908 [ 814.365806] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 814.365808] Call Trace: [ 814.365824] [] dump_stack+0xc1/0x128 [ 814.365833] [] warn_alloc.cold.31+0x7f/0x9c ** 60 printk messages dropped ** [ 814.376407] [] filemap_fault+0xaf1/0x1110 ** 49 printk messages dropped ** [ 814.453181] [] ext4_filemap_fault+0x71/0xa0 [ 814.453188] [] __do_fault+0x223/0x500 [ 814.453195] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 814.453202] [] ? handle_mm_fault+0x1d4f/0x2350 [ 814.453210] [] handle_mm_fault+0x1326/0x2350 [ 814.453217] [] ? vm_insert_page+0x6f0/0x6f0 ** 2 printk messages dropped ** [ 814.453240] [] __do_page_fault+0x403/0xa60 [ 814.453248] [] ? bad_area_access_error+0x3a0/0x3a0 [ 814.453258] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 814.453265] [] do_page_fault+0x27/0x30 [ 814.453272] [] page_fault+0x25/0x30 ** 36 printk messages dropped ** [ 816.974073] [] ? page_cache_prev_hole+0x80/0x80 [ 816.974080] [] ? pagecache_get_page+0x131/0x710 ** 47 printk messages dropped ** [ 817.588855] [] ? __lock_acquire+0x654/0x4a10 [ 817.588862] [] ? pagecache_get_page+0x131/0x710 [ 817.588870] [] filemap_fault+0xaf1/0x1110 [ 817.588878] [] ext4_filemap_fault+0x71/0xa0 ** 34 printk messages dropped ** [ 821.962819] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 821.962819] to free 124kB on behalf of 'udevd' (578) because [ 821.962819] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 821.962819] Free memory is -13500kB above reserved [ 822.972868] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 822.972868] to free 124kB on behalf of 'syz-executor.1' (2175) because [ 822.972868] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 822.972868] Free memory is -13500kB above reserved [ 822.972880] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 822.972880] to free 124kB on behalf of 'udevd' (470) because [ 822.972880] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 822.972880] Free memory is -13500kB above reserved [ 823.951130] syz-execprog: page allocation stalls for 50020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 823.951139] CPU: 0 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 823.951154] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 823.951164] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 823.951174] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 823.951176] Call Trace: [ 823.951190] [] dump_stack+0xc1/0x128 [ 823.951200] [] warn_alloc.cold.31+0x7f/0x9c [ 823.951210] [] ? zone_watermark_ok_safe+0x250/0x250 [ 823.951218] [] ? shrink_node+0x740/0x740 [ 823.951227] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 823.951236] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 823.951245] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 823.951252] [] ? find_get_entry+0x11a/0x570 [ 823.951259] [] ? find_get_entry+0x141/0x570 [ 823.951266] [] ? page_cache_prev_hole+0x80/0x80 [ 823.951274] [] ? autoremove_wake_function+0x40/0x40 [ 823.951282] [] ? pagecache_get_page+0x131/0x710 [ 823.951289] [] filemap_fault+0xaf1/0x1110 [ 823.951298] [] ext4_filemap_fault+0x71/0xa0 [ 823.951305] [] __do_fault+0x223/0x500 [ 823.951312] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 823.951320] [] ? generic_file_readonly_mmap+0x190/0x190 [ 823.951327] [] handle_mm_fault+0x1326/0x2350 [ 823.951335] [] ? poll_select_set_timeout+0xb5/0x120 [ 823.951342] [] ? vm_insert_page+0x6f0/0x6f0 [ 823.951350] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 823.951359] [] __do_page_fault+0x403/0xa60 [ 823.951366] [] ? __fget_light+0x169/0x1f0 [ 823.951374] [] ? bad_area_access_error+0x3a0/0x3a0 [ 823.951383] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 823.951390] [] do_page_fault+0x27/0x30 [ 823.951398] [] page_fault+0x25/0x30 [ 823.951402] Mem-Info: [ 823.951419] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 823.951419] active_file:6 inactive_file:25 isolated_file:0 [ 823.951419] unevictable:0 dirty:0 writeback:0 unstable:0 [ 823.951419] slab_reclaimable:4624 slab_unreclaimable:56972 [ 823.951419] mapped:4 shmem:48 pagetables:377 bounce:0 [ 823.951419] free:6001 free_pcp:83 free_cma:0 [ 823.951432] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 823.951450] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 823.951476] Normal free:5400kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227388kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:212kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 823.951531] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 49*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5400kB 80 total pagecache pages [ 823.951578] 0 pages in swap cache [ 823.951582] Swap cache stats: add 0, delete 0, find 0/0 [ 823.951585] Free swap = 0kB [ 823.951587] Total swap = 0kB [ 823.951589] 1965979 pages RAM [ 823.951591] 0 pages HighMem/MovableOnly [ 823.951593] 313617 pages reserved [ 823.958127] syz-execprog: page allocation stalls for 50010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 823.958134] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 823.958147] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 823.958157] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 823.958167] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 823.958169] Call Trace: [ 823.958179] [] dump_stack+0xc1/0x128 [ 823.958187] [] warn_alloc.cold.31+0x7f/0x9c [ 823.958195] [] ? zone_watermark_ok_safe+0x250/0x250 [ 823.958203] [] ? shrink_node+0x740/0x740 [ 823.958211] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 823.958218] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 823.958227] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 823.958235] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 823.958242] [] ? find_get_entry+0x11a/0x570 [ 823.958249] [] ? find_get_entry+0x141/0x570 [ 823.958256] [] ? page_cache_prev_hole+0x80/0x80 [ 823.958264] [] ? autoremove_wake_function+0x40/0x40 [ 823.958271] [] ? pagecache_get_page+0x131/0x710 [ 823.958279] [] filemap_fault+0xaf1/0x1110 [ 823.958287] [] ext4_filemap_fault+0x71/0xa0 [ 823.958293] [] __do_fault+0x223/0x500 [ 823.958300] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 22 printk messages dropped ** [ 823.958570] Swap cache stats: add 0, delete 0, find 0/0 [ 823.958572] Free swap = 0kB [ 823.958575] Total swap = 0kB [ 823.958577] 1965979 pages RAM [ 823.958579] 0 pages HighMem/MovableOnly [ 823.958581] 313617 pages reserved [ 823.960075] syz-executor.1: page allocation stalls for 50010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 823.960081] CPU: 1 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 823.960093] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 823.960103] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 823.960113] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 823.960115] Call Trace: [ 823.960123] [] dump_stack+0xc1/0x128 [ 823.960131] [] warn_alloc.cold.31+0x7f/0x9c [ 823.960139] [] ? zone_watermark_ok_safe+0x250/0x250 [ 823.960147] [] ? shrink_node+0x740/0x740 [ 823.960156] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 823.960165] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 823.960174] [] ? check_preemption_disabled+0x3b/0x200 [ 823.960181] [] ? find_get_entry+0x11a/0x570 [ 823.960188] [] ? find_get_entry+0x141/0x570 [ 823.960195] [] ? page_cache_prev_hole+0x80/0x80 [ 823.960203] [] ? pagecache_get_page+0x131/0x710 [ 823.960210] [] filemap_fault+0xaf1/0x1110 [ 823.960218] [] ext4_filemap_fault+0x71/0xa0 [ 823.960224] [] __do_fault+0x223/0x500 [ 823.960231] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 823.960239] [] ? generic_file_readonly_mmap+0x190/0x190 [ 823.960246] [] handle_mm_fault+0x1326/0x2350 [ 823.960253] [] ? vm_insert_page+0x6f0/0x6f0 [ 823.960261] [] __do_page_fault+0x403/0xa60 [ 823.960269] [] ? bad_area_access_error+0x3a0/0x3a0 [ 823.960277] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 823.960284] [] do_page_fault+0x27/0x30 [ 823.960291] [] page_fault+0x25/0x30 [ 823.960293] Mem-Info: [ 823.960308] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 823.960308] active_file:6 inactive_file:25 isolated_file:0 [ 823.960308] unevictable:0 dirty:0 writeback:0 unstable:0 [ 823.960308] slab_reclaimable:4624 slab_unreclaimable:56972 [ 823.960308] mapped:4 shmem:48 pagetables:377 bounce:0 [ 823.960308] free:6001 free_pcp:83 free_cma:0 [ 823.960321] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 823.960338] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 823.960364] Normal free:5400kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227388kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:212kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 823.960418] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 49*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5400kB 80 total pagecache pages [ 823.960465] 0 pages in swap cache [ 823.960469] Swap cache stats: add 0, delete 0, find 0/0 [ 823.960471] Free swap = 0kB [ 823.960479] Total swap = 0kB [ 823.960481] 1965979 pages RAM [ 823.960483] 0 pages HighMem/MovableOnly [ 823.960485] 313617 pages reserved [ 823.982297] rsyslogd: page allocation stalls for 50060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 823.982304] CPU: 0 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 823.982316] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 823.982326] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 823.982336] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 823.982338] Call Trace: [ 823.982348] [] dump_stack+0xc1/0x128 [ 823.982356] [] warn_alloc.cold.31+0x7f/0x9c [ 823.982365] [] ? zone_watermark_ok_safe+0x250/0x250 [ 823.982372] [] ? shrink_node+0x740/0x740 [ 823.982381] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 823.982390] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 823.982398] [] ? check_preemption_disabled+0x3b/0x200 [ 823.982405] [] ? find_get_entry+0x11a/0x570 [ 823.982412] [] ? find_get_entry+0x141/0x570 [ 823.982419] [] ? page_cache_prev_hole+0x80/0x80 [ 823.982427] [] ? autoremove_wake_function+0x40/0x40 [ 823.982435] [] ? pagecache_get_page+0x131/0x710 [ 823.982442] [] filemap_fault+0xaf1/0x1110 [ 823.982451] [] ext4_filemap_fault+0x71/0xa0 [ 823.982457] [] __do_fault+0x223/0x500 [ 823.982464] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 823.982471] [] ? generic_file_readonly_mmap+0x190/0x190 [ 823.982479] [] handle_mm_fault+0x1326/0x2350 [ 823.982486] [] ? vm_insert_page+0x6f0/0x6f0 [ 823.982494] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 823.982502] [] __do_page_fault+0x403/0xa60 [ 823.982510] [] ? bad_area_access_error+0x3a0/0x3a0 [ 823.982518] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 823.982525] [] do_page_fault+0x27/0x30 [ 823.982532] [] page_fault+0x25/0x30 [ 823.982536] Mem-Info: [ 823.982551] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 823.982551] active_file:6 inactive_file:25 isolated_file:0 [ 823.982551] unevictable:0 dirty:0 writeback:0 unstable:0 [ 823.982551] slab_reclaimable:4624 slab_unreclaimable:56972 [ 823.982551] mapped:4 shmem:48 pagetables:377 bounce:0 [ 823.982551] free:6001 free_pcp:83 free_cma:0 [ 823.982564] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 823.982581] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 823.982607] Normal free:5400kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227388kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:212kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 823.982661] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 49*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5400kB 80 total pagecache pages [ 823.982709] 0 pages in swap cache [ 823.982721] Swap cache stats: add 0, delete 0, find 0/0 [ 823.982724] Free swap = 0kB [ 823.982726] Total swap = 0kB [ 823.982728] 1965979 pages RAM [ 823.982730] 0 pages HighMem/MovableOnly [ 823.982736] 313617 pages reserved [ 823.982838] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 823.982838] to free 124kB on behalf of 'syz-executor.1' (2175) because [ 823.982838] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 823.982838] Free memory is -13500kB above reserved [ 823.982850] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 823.982850] to free 124kB on behalf of 'syz-execprog' (2156) because [ 823.982850] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 823.982850] Free memory is -13500kB above reserved [ 824.012018] syz-execprog: page allocation stalls for 50020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 824.012026] CPU: 1 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 824.012040] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 824.012050] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 824.012060] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 824.012062] Call Trace: [ 824.012073] [] dump_stack+0xc1/0x128 [ 824.012082] [] warn_alloc.cold.31+0x7f/0x9c [ 824.012091] [] ? zone_watermark_ok_safe+0x250/0x250 [ 824.012098] [] ? shrink_node+0x740/0x740 [ 824.012107] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 824.012115] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 824.012124] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 824.012132] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 824.012139] [] ? find_get_entry+0x11a/0x570 [ 824.012146] [] ? find_get_entry+0x141/0x570 [ 824.012153] [] ? page_cache_prev_hole+0x80/0x80 [ 824.012161] [] ? autoremove_wake_function+0x40/0x40 [ 824.012168] [] ? pagecache_get_page+0x131/0x710 [ 824.012176] [] filemap_fault+0xaf1/0x1110 [ 824.012184] [] ext4_filemap_fault+0x71/0xa0 [ 824.012191] [] __do_fault+0x223/0x500 [ 824.012198] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 824.012206] [] ? generic_file_readonly_mmap+0x190/0x190 [ 824.012213] [] handle_mm_fault+0x1326/0x2350 [ 824.012220] [] ? vm_insert_page+0x6f0/0x6f0 [ 824.012227] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 824.012234] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 824.012242] [] __do_page_fault+0x403/0xa60 [ 824.012250] [] ? bad_area_access_error+0x3a0/0x3a0 [ 824.012259] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 824.012266] [] do_page_fault+0x27/0x30 [ 824.012273] [] page_fault+0x25/0x30 [ 824.012277] Mem-Info: [ 824.012292] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 824.012292] active_file:6 inactive_file:25 isolated_file:0 [ 824.012292] unevictable:0 dirty:0 writeback:0 unstable:0 [ 824.012292] slab_reclaimable:4624 slab_unreclaimable:56972 [ 824.012292] mapped:4 shmem:48 pagetables:377 bounce:0 [ 824.012292] free:6001 free_pcp:83 free_cma:0 [ 824.012305] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 824.012323] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 824.012349] Normal free:5400kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227388kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:212kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 824.012405] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 49*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5400kB 80 total pagecache pages [ 824.012452] 0 pages in swap cache [ 824.012456] Swap cache stats: add 0, delete 0, find 0/0 [ 824.012458] Free swap = 0kB [ 824.012461] Total swap = 0kB [ 824.012463] 1965979 pages RAM [ 824.012465] 0 pages HighMem/MovableOnly [ 824.012467] 313617 pages reserved [ 824.376937] udevd: page allocation stalls for 50030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 824.376945] CPU: 1 PID: 578 Comm: udevd Not tainted 4.9.141+ #1 [ 824.376960] ffff8801d17bf7c0 ffffffff81b42e79 1ffff1003a2f7efa ffff8801d1725f00 [ 824.376970] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d17bf908 [ 824.376980] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 824.376982] Call Trace: [ 824.376996] [] dump_stack+0xc1/0x128 [ 824.377006] [] warn_alloc.cold.31+0x7f/0x9c [ 824.377016] [] ? zone_watermark_ok_safe+0x250/0x250 ** 23 printk messages dropped ** [ 824.377202] Mem-Info: ** 45 printk messages dropped ** [ 824.391659] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 49 printk messages dropped ** [ 824.433538] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 824.433544] [] do_page_fault+0x27/0x30 [ 824.433551] [] page_fault+0x25/0x30 [ 824.433554] Mem-Info: [ 824.433569] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 824.433569] active_file:6 inactive_file:25 isolated_file:0 [ 824.433569] unevictable:0 dirty:0 writeback:0 unstable:0 [ 824.433569] slab_reclaimable:4624 slab_unreclaimable:56972 [ 824.433569] mapped:4 shmem:48 pagetables:377 bounce:0 [ 824.433569] free:6001 free_pcp:83 free_cma:0 [ 824.433581] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 824.433597] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 121 printk messages dropped ** [ 832.062835] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 832.062835] to free 124kB on behalf of 'rsyslogd' (1894) because [ 832.062835] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 832.062835] Free memory is -13508kB above reserved [ 833.072820] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 833.072820] to free 124kB on behalf of 'syz-executor.4' (2327) because [ 833.072820] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 833.072820] Free memory is -13508kB above reserved [ 833.958133] syz-execprog: page allocation stalls for 60010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 833.958142] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 833.958158] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 833.958168] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 833.958178] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 833.958179] Call Trace: [ 833.958195] [] dump_stack+0xc1/0x128 [ 833.958205] [] warn_alloc.cold.31+0x7f/0x9c [ 833.958215] [] ? zone_watermark_ok_safe+0x250/0x250 [ 833.958223] [] ? shrink_node+0x740/0x740 [ 833.958232] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 833.958240] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 833.958249] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 833.958257] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 833.958265] [] ? find_get_entry+0x11a/0x570 [ 833.958272] [] ? find_get_entry+0x141/0x570 [ 833.958279] [] ? page_cache_prev_hole+0x80/0x80 [ 833.958287] [] ? autoremove_wake_function+0x40/0x40 [ 833.958295] [] ? pagecache_get_page+0x131/0x710 [ 833.958302] [] filemap_fault+0xaf1/0x1110 [ 833.958311] [] ext4_filemap_fault+0x71/0xa0 [ 833.958318] [] __do_fault+0x223/0x500 [ 833.958325] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 833.958338] [] ? generic_file_readonly_mmap+0x190/0x190 [ 833.958345] [] handle_mm_fault+0x1326/0x2350 [ 833.958353] [] ? ep_poll+0x18f/0xb20 [ 833.958360] [] ? vm_insert_page+0x6f0/0x6f0 [ 833.958367] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 833.958377] [] __do_page_fault+0x403/0xa60 [ 833.958385] [] ? __fget_light+0x169/0x1f0 [ 833.958392] [] ? bad_area_access_error+0x3a0/0x3a0 [ 833.958402] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 833.958409] [] do_page_fault+0x27/0x30 [ 833.958417] [] page_fault+0x25/0x30 [ 833.958421] Mem-Info: [ 833.958438] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 833.958438] active_file:6 inactive_file:25 isolated_file:0 [ 833.958438] unevictable:0 dirty:0 writeback:0 unstable:0 [ 833.958438] slab_reclaimable:4624 slab_unreclaimable:56976 [ 833.958438] mapped:4 shmem:48 pagetables:377 bounce:0 [ 833.958438] free:5999 free_pcp:81 free_cma:0 [ 833.958451] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 833.958469] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 833.958495] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227404kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:204kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 833.958550] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 833.958598] 0 pages in swap cache [ 833.958602] Swap cache stats: add 0, delete 0, find 0/0 [ 833.958604] Free swap = 0kB [ 833.958606] Total swap = 0kB [ 833.958608] 1965979 pages RAM [ 833.958610] 0 pages HighMem/MovableOnly [ 833.958613] 313617 pages reserved [ 833.972657] syz-execprog: page allocation stalls for 60040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 833.972664] CPU: 0 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 833.972676] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 833.972685] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 833.972693] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 833.972695] Call Trace: [ 833.972704] [] dump_stack+0xc1/0x128 [ 833.972712] [] warn_alloc.cold.31+0x7f/0x9c [ 833.972719] [] ? zone_watermark_ok_safe+0x250/0x250 [ 833.972726] [] ? shrink_node+0x740/0x740 [ 833.972739] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 833.972747] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 833.972754] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 833.972761] [] ? find_get_entry+0x11a/0x570 [ 833.972767] [] ? find_get_entry+0x141/0x570 [ 833.972774] [] ? page_cache_prev_hole+0x80/0x80 [ 833.972782] [] ? autoremove_wake_function+0x40/0x40 [ 833.972788] [] ? pagecache_get_page+0x131/0x710 [ 833.972795] [] filemap_fault+0xaf1/0x1110 [ 833.972803] [] ext4_filemap_fault+0x71/0xa0 [ 833.972809] [] __do_fault+0x223/0x500 [ 833.972815] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 833.972822] [] ? generic_file_readonly_mmap+0x190/0x190 [ 833.972829] [] handle_mm_fault+0x1326/0x2350 [ 833.972837] [] ? poll_select_set_timeout+0xb5/0x120 [ 833.972843] [] ? vm_insert_page+0x6f0/0x6f0 [ 833.972850] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 39 printk messages dropped ** [ 833.975522] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 833.975538] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 833.975561] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227404kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:204kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 833.975610] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 833.975653] 0 pages in swap cache [ 833.975657] Swap cache stats: add 0, delete 0, find 0/0 [ 833.975659] Free swap = 0kB [ 833.975661] Total swap = 0kB [ 833.975663] 1965979 pages RAM [ 833.975665] 0 pages HighMem/MovableOnly [ 833.975667] 313617 pages reserved [ 833.977579] syz-executor.1: page allocation stalls for 60030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 833.977586] CPU: 1 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 833.977598] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 833.977609] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 833.977619] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 833.977620] Call Trace: [ 833.977629] [] dump_stack+0xc1/0x128 [ 833.977637] [] warn_alloc.cold.31+0x7f/0x9c [ 833.977645] [] ? zone_watermark_ok_safe+0x250/0x250 [ 833.977652] [] ? shrink_node+0x740/0x740 [ 833.977662] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 833.977671] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 833.977678] [] ? check_preemption_disabled+0x3b/0x200 [ 833.977686] [] ? find_get_entry+0x11a/0x570 [ 833.977693] [] ? find_get_entry+0x141/0x570 [ 833.977700] [] ? page_cache_prev_hole+0x80/0x80 [ 833.977707] [] ? pagecache_get_page+0x131/0x710 [ 833.977715] [] filemap_fault+0xaf1/0x1110 [ 833.977723] [] ext4_filemap_fault+0x71/0xa0 [ 833.977729] [] __do_fault+0x223/0x500 [ 833.977736] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 833.977744] [] ? generic_file_readonly_mmap+0x190/0x190 [ 833.977751] [] handle_mm_fault+0x1326/0x2350 [ 833.977758] [] ? vm_insert_page+0x6f0/0x6f0 [ 833.977766] [] __do_page_fault+0x403/0xa60 [ 833.977774] [] ? bad_area_access_error+0x3a0/0x3a0 [ 833.977782] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 833.977789] [] do_page_fault+0x27/0x30 [ 833.977796] [] page_fault+0x25/0x30 [ 833.977799] Mem-Info: [ 833.977814] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 833.977814] active_file:6 inactive_file:25 isolated_file:0 [ 833.977814] unevictable:0 dirty:0 writeback:0 unstable:0 [ 833.977814] slab_reclaimable:4624 slab_unreclaimable:56976 [ 833.977814] mapped:4 shmem:48 pagetables:377 bounce:0 [ 833.977814] free:5999 free_pcp:81 free_cma:0 [ 833.977833] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 833.977850] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 833.977876] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227404kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:204kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 833.977930] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 833.977977] 0 pages in swap cache [ 833.977981] Swap cache stats: add 0, delete 0, find 0/0 [ 833.977983] Free swap = 0kB [ 833.977985] Total swap = 0kB [ 833.977987] 1965979 pages RAM [ 833.977989] 0 pages HighMem/MovableOnly [ 833.977992] 313617 pages reserved [ 834.008760] Mem-Info: [ 834.008777] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 834.008777] active_file:6 inactive_file:25 isolated_file:0 [ 834.008777] unevictable:0 dirty:0 writeback:0 unstable:0 [ 834.008777] slab_reclaimable:4624 slab_unreclaimable:56976 [ 834.008777] mapped:4 shmem:48 pagetables:377 bounce:0 [ 834.008777] free:5999 free_pcp:81 free_cma:0 [ 834.008791] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 834.008809] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 834.008835] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227404kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:204kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 834.008889] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 834.008936] 0 pages in swap cache [ 834.008940] Swap cache stats: add 0, delete 0, find 0/0 [ 834.008942] Free swap = 0kB [ 834.008944] Total swap = 0kB [ 834.008947] 1965979 pages RAM [ 834.008949] 0 pages HighMem/MovableOnly [ 834.008951] 313617 pages reserved [ 834.040230] syz-execprog: page allocation stalls for 60050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 834.040238] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 834.040253] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 834.040263] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 834.040273] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 834.040274] Call Trace: [ 834.040287] [] dump_stack+0xc1/0x128 [ 834.040297] [] warn_alloc.cold.31+0x7f/0x9c [ 834.040305] [] ? zone_watermark_ok_safe+0x250/0x250 [ 834.040313] [] ? shrink_node+0x740/0x740 [ 834.040329] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 834.040337] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 834.040346] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 834.040353] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 834.040360] [] ? find_get_entry+0x11a/0x570 [ 834.040368] [] ? find_get_entry+0x141/0x570 [ 834.040375] [] ? page_cache_prev_hole+0x80/0x80 [ 834.040383] [] ? autoremove_wake_function+0x40/0x40 [ 834.040390] [] ? pagecache_get_page+0x131/0x710 [ 834.040398] [] filemap_fault+0xaf1/0x1110 [ 834.040406] [] ext4_filemap_fault+0x71/0xa0 [ 834.040413] [] __do_fault+0x223/0x500 [ 834.040420] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 834.040428] [] ? generic_file_readonly_mmap+0x190/0x190 [ 834.040435] [] handle_mm_fault+0x1326/0x2350 [ 834.040443] [] ? vm_insert_page+0x6f0/0x6f0 [ 834.040449] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 834.040457] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 834.040466] [] __do_page_fault+0x403/0xa60 [ 834.040474] [] ? bad_area_access_error+0x3a0/0x3a0 [ 834.040483] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 834.040490] [] do_page_fault+0x27/0x30 [ 834.040498] [] page_fault+0x25/0x30 [ 834.040501] Mem-Info: [ 834.040517] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 834.040517] active_file:6 inactive_file:25 isolated_file:0 [ 834.040517] unevictable:0 dirty:0 writeback:0 unstable:0 [ 834.040517] slab_reclaimable:4624 slab_unreclaimable:56976 [ 834.040517] mapped:4 shmem:48 pagetables:377 bounce:0 [ 834.040517] free:5999 free_pcp:81 free_cma:0 [ 834.040530] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 834.040547] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 834.040573] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227404kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:204kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 834.040628] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 834.040676] 0 pages in swap cache [ 834.040680] Swap cache stats: add 0, delete 0, find 0/0 [ 834.040682] Free swap = 0kB [ 834.040684] Total swap = 0kB [ 834.040686] 1965979 pages RAM [ 834.040689] 0 pages HighMem/MovableOnly [ 834.040691] 313617 pages reserved [ 834.082851] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 834.082851] to free 124kB on behalf of 'init' (1) because [ 834.082851] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 834.082851] Free memory is -13508kB above reserved [ 834.082863] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 834.082863] to free 124kB on behalf of 'syz-execprog' (2171) because [ 834.082863] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 834.082863] Free memory is -13508kB above reserved [ 834.378113] udevd: page allocation stalls for 60030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 834.378122] CPU: 1 PID: 578 Comm: udevd Not tainted 4.9.141+ #1 [ 834.378136] ffff8801d17bf7c0 ffffffff81b42e79 1ffff1003a2f7efa ffff8801d1725f00 [ 834.378146] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d17bf908 [ 834.378156] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 834.378157] Call Trace: [ 834.378171] [] dump_stack+0xc1/0x128 [ 834.378181] [] warn_alloc.cold.31+0x7f/0x9c [ 834.378191] [] ? zone_watermark_ok_safe+0x250/0x250 [ 834.378199] [] ? shrink_node+0x740/0x740 [ 834.378208] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 834.378216] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 834.378224] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 834.378232] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 834.378239] [] ? find_get_entry+0x11a/0x570 [ 834.378247] [] ? find_get_entry+0x141/0x570 [ 834.378254] [] ? page_cache_prev_hole+0x80/0x80 [ 834.378262] [] ? autoremove_wake_function+0x40/0x40 [ 834.378270] [] ? pagecache_get_page+0x131/0x710 [ 834.378277] [] filemap_fault+0xaf1/0x1110 [ 834.378286] [] ext4_filemap_fault+0x71/0xa0 [ 834.378293] [] __do_fault+0x223/0x500 [ 834.378299] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 834.378307] [] ? generic_file_readonly_mmap+0x190/0x190 [ 834.378314] [] handle_mm_fault+0x1326/0x2350 [ 834.378321] [] ? vm_insert_page+0x6f0/0x6f0 [ 834.378328] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 834.378337] [] __do_page_fault+0x403/0xa60 [ 834.378345] [] ? bad_area_access_error+0x3a0/0x3a0 [ 834.378354] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 48 printk messages dropped ** [ 834.414320] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 49 printk messages dropped ** [ 834.437536] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 834.437542] [] do_page_fault+0x27/0x30 [ 834.437549] [] page_fault+0x25/0x30 [ 834.437552] Mem-Info: [ 834.437567] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 834.437567] active_file:6 inactive_file:25 isolated_file:0 [ 834.437567] unevictable:0 dirty:0 writeback:0 unstable:0 [ 834.437567] slab_reclaimable:4624 slab_unreclaimable:56976 [ 834.437567] mapped:4 shmem:48 pagetables:377 bounce:0 [ 834.437567] free:5999 free_pcp:81 free_cma:0 [ 834.437579] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 87 printk messages dropped ** [ 837.601744] [] ext4_filemap_fault+0x71/0xa0 ** 35 printk messages dropped ** [ 843.172862] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 843.172862] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 843.172862] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 843.172862] Free memory is -13508kB above reserved [ 843.172873] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 843.172873] to free 124kB on behalf of 'syz-executor.4' (2327) because [ 843.172873] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 843.172873] Free memory is -13508kB above reserved [ 843.928091] rsyslogd: page allocation stalls for 70010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 843.928100] CPU: 0 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 843.928114] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 843.928124] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 843.928134] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 843.928136] Call Trace: [ 843.928151] [] dump_stack+0xc1/0x128 [ 843.928161] [] warn_alloc.cold.31+0x7f/0x9c [ 843.928170] [] ? zone_watermark_ok_safe+0x250/0x250 [ 843.928178] [] ? shrink_node+0x740/0x740 [ 843.928187] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 843.928196] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 843.928206] [] ? check_preemption_disabled+0x3b/0x200 [ 843.928213] [] ? find_get_entry+0x11a/0x570 [ 843.928220] [] ? find_get_entry+0x141/0x570 [ 843.928227] [] ? page_cache_prev_hole+0x80/0x80 [ 843.928235] [] ? autoremove_wake_function+0x40/0x40 [ 843.928242] [] ? pagecache_get_page+0x131/0x710 [ 843.928250] [] filemap_fault+0xaf1/0x1110 [ 843.928258] [] ext4_filemap_fault+0x71/0xa0 [ 843.928265] [] __do_fault+0x223/0x500 [ 843.928272] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 843.928280] [] ? generic_file_readonly_mmap+0x190/0x190 [ 843.928287] [] handle_mm_fault+0x1326/0x2350 [ 843.928294] [] ? vm_insert_page+0x6f0/0x6f0 [ 843.928302] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 843.928311] [] __do_page_fault+0x403/0xa60 [ 843.928319] [] ? bad_area_access_error+0x3a0/0x3a0 [ 843.928328] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 843.928335] [] do_page_fault+0x27/0x30 [ 843.928343] [] page_fault+0x25/0x30 [ 843.928347] Mem-Info: [ 843.928363] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 843.928363] active_file:6 inactive_file:25 isolated_file:0 [ 843.928363] unevictable:0 dirty:0 writeback:0 unstable:0 [ 843.928363] slab_reclaimable:4624 slab_unreclaimable:56977 [ 843.928363] mapped:4 shmem:48 pagetables:377 bounce:0 [ 843.928363] free:5999 free_pcp:80 free_cma:0 [ 843.928376] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 843.928394] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 843.928421] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 843.928476] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 843.928523] 0 pages in swap cache [ 843.928527] Swap cache stats: add 0, delete 0, find 0/0 [ 843.928530] Free swap = 0kB [ 843.928532] Total swap = 0kB [ 843.928534] 1965979 pages RAM [ 843.928536] 0 pages HighMem/MovableOnly [ 843.928538] 313617 pages reserved [ 843.971994] syz-execprog: page allocation stalls for 70020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 843.972003] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 843.972016] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 843.972026] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 843.972036] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 843.972038] Call Trace: [ 843.972051] [] dump_stack+0xc1/0x128 [ 843.972060] [] warn_alloc.cold.31+0x7f/0x9c [ 843.972068] [] ? zone_watermark_ok_safe+0x250/0x250 [ 843.972076] [] ? shrink_node+0x740/0x740 [ 843.972085] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 843.972094] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 843.972103] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 843.972111] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 843.972119] [] ? find_get_entry+0x11a/0x570 [ 843.972126] [] ? find_get_entry+0x141/0x570 [ 843.972133] [] ? page_cache_prev_hole+0x80/0x80 [ 843.972141] [] ? autoremove_wake_function+0x40/0x40 [ 843.972148] [] ? pagecache_get_page+0x131/0x710 [ 843.972156] [] filemap_fault+0xaf1/0x1110 [ 843.972164] [] ext4_filemap_fault+0x71/0xa0 [ 843.972171] [] __do_fault+0x223/0x500 [ 843.972178] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 843.972191] [] ? generic_file_readonly_mmap+0x190/0x190 [ 843.972198] [] handle_mm_fault+0x1326/0x2350 ** 31 printk messages dropped ** [ 843.975327] Call Trace: [ 843.975336] [] dump_stack+0xc1/0x128 [ 843.975344] [] warn_alloc.cold.31+0x7f/0x9c [ 843.975352] [] ? zone_watermark_ok_safe+0x250/0x250 [ 843.975360] [] ? shrink_node+0x740/0x740 [ 843.975368] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 843.975377] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 843.975385] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 843.975392] [] ? find_get_entry+0x11a/0x570 [ 843.975400] [] ? find_get_entry+0x141/0x570 [ 843.975407] [] ? page_cache_prev_hole+0x80/0x80 [ 843.975414] [] ? autoremove_wake_function+0x40/0x40 [ 843.975422] [] ? pagecache_get_page+0x131/0x710 [ 843.975429] [] filemap_fault+0xaf1/0x1110 [ 843.975437] [] ext4_filemap_fault+0x71/0xa0 [ 843.975443] [] __do_fault+0x223/0x500 [ 843.975450] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 843.975458] [] ? generic_file_readonly_mmap+0x190/0x190 [ 843.975465] [] handle_mm_fault+0x1326/0x2350 [ 843.975473] [] ? poll_select_set_timeout+0xb5/0x120 [ 843.975481] [] ? vm_insert_page+0x6f0/0x6f0 [ 843.975488] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 843.975496] [] __do_page_fault+0x403/0xa60 [ 843.975503] [] ? __fget_light+0x169/0x1f0 [ 843.975510] [] ? bad_area_access_error+0x3a0/0x3a0 [ 843.975519] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 843.975525] [] do_page_fault+0x27/0x30 [ 843.975532] [] page_fault+0x25/0x30 [ 843.975535] Mem-Info: [ 843.975551] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 843.975551] active_file:6 inactive_file:25 isolated_file:0 [ 843.975551] unevictable:0 dirty:0 writeback:0 unstable:0 [ 843.975551] slab_reclaimable:4624 slab_unreclaimable:56977 [ 843.975551] mapped:4 shmem:48 pagetables:377 bounce:0 [ 843.975551] free:5999 free_pcp:80 free_cma:0 [ 843.975564] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 843.975581] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 843.975607] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 843.975661] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 843.975709] 0 pages in swap cache [ 843.975713] Swap cache stats: add 0, delete 0, find 0/0 [ 843.975715] Free swap = 0kB [ 843.975717] Total swap = 0kB [ 843.975719] 1965979 pages RAM [ 843.975721] 0 pages HighMem/MovableOnly [ 843.975723] 313617 pages reserved [ 843.981040] syz-executor.1: page allocation stalls for 70030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 843.981046] CPU: 1 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 843.981058] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 843.981068] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 843.981078] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 843.981080] Call Trace: [ 843.981088] [] dump_stack+0xc1/0x128 [ 843.981095] [] warn_alloc.cold.31+0x7f/0x9c [ 843.981103] [] ? zone_watermark_ok_safe+0x250/0x250 [ 843.981111] [] ? shrink_node+0x740/0x740 [ 843.981120] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 843.981129] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 843.981137] [] ? check_preemption_disabled+0x3b/0x200 [ 843.981145] [] ? find_get_entry+0x11a/0x570 [ 843.981152] [] ? find_get_entry+0x141/0x570 [ 843.981158] [] ? page_cache_prev_hole+0x80/0x80 [ 843.981166] [] ? pagecache_get_page+0x131/0x710 [ 843.981173] [] filemap_fault+0xaf1/0x1110 [ 843.981187] [] ext4_filemap_fault+0x71/0xa0 [ 843.981193] [] __do_fault+0x223/0x500 [ 843.981200] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 843.981208] [] ? generic_file_readonly_mmap+0x190/0x190 [ 843.981215] [] handle_mm_fault+0x1326/0x2350 [ 843.981223] [] ? vm_insert_page+0x6f0/0x6f0 [ 843.981231] [] __do_page_fault+0x403/0xa60 [ 843.981238] [] ? bad_area_access_error+0x3a0/0x3a0 [ 843.981247] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 843.981256] [] do_page_fault+0x27/0x30 [ 843.981263] [] page_fault+0x25/0x30 [ 843.981266] Mem-Info: [ 843.981281] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 843.981281] active_file:6 inactive_file:25 isolated_file:0 [ 843.981281] unevictable:0 dirty:0 writeback:0 unstable:0 [ 843.981281] slab_reclaimable:4624 slab_unreclaimable:56977 [ 843.981281] mapped:4 shmem:48 pagetables:377 bounce:0 [ 843.981281] free:5999 free_pcp:80 free_cma:0 [ 843.981294] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 843.981311] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 843.981337] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 843.981391] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 843.981453] 0 pages in swap cache [ 843.981457] Swap cache stats: add 0, delete 0, find 0/0 [ 843.981459] Free swap = 0kB [ 843.981461] Total swap = 0kB [ 843.981463] 1965979 pages RAM [ 843.981465] 0 pages HighMem/MovableOnly [ 843.981468] 313617 pages reserved [ 844.016941] syz-execprog: page allocation stalls for 70030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 844.016949] CPU: 1 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 844.016963] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 844.016973] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 844.016983] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 844.016985] Call Trace: [ 844.016997] [] dump_stack+0xc1/0x128 [ 844.017006] [] warn_alloc.cold.31+0x7f/0x9c [ 844.017014] [] ? zone_watermark_ok_safe+0x250/0x250 [ 844.017022] [] ? shrink_node+0x740/0x740 [ 844.017032] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 844.017039] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 844.017048] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 844.017056] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 844.017064] [] ? find_get_entry+0x11a/0x570 [ 844.017071] [] ? find_get_entry+0x141/0x570 [ 844.017078] [] ? page_cache_prev_hole+0x80/0x80 [ 844.017086] [] ? autoremove_wake_function+0x40/0x40 [ 844.017093] [] ? pagecache_get_page+0x131/0x710 [ 844.017100] [] filemap_fault+0xaf1/0x1110 [ 844.017109] [] ext4_filemap_fault+0x71/0xa0 [ 844.017116] [] __do_fault+0x223/0x500 [ 844.017123] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 844.017131] [] ? generic_file_readonly_mmap+0x190/0x190 [ 844.017138] [] handle_mm_fault+0x1326/0x2350 [ 844.017146] [] ? vm_insert_page+0x6f0/0x6f0 [ 844.017153] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 844.017160] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 844.017169] [] __do_page_fault+0x403/0xa60 [ 844.017187] [] ? bad_area_access_error+0x3a0/0x3a0 [ 844.017196] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 844.017203] [] do_page_fault+0x27/0x30 [ 844.017211] [] page_fault+0x25/0x30 [ 844.017214] Mem-Info: [ 844.017230] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 844.017230] active_file:6 inactive_file:25 isolated_file:0 [ 844.017230] unevictable:0 dirty:0 writeback:0 unstable:0 [ 844.017230] slab_reclaimable:4624 slab_unreclaimable:56977 [ 844.017230] mapped:4 shmem:48 pagetables:377 bounce:0 [ 844.017230] free:5999 free_pcp:80 free_cma:0 [ 844.017244] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 844.017262] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 844.017288] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 844.017342] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 844.017390] 0 pages in swap cache [ 844.017394] Swap cache stats: add 0, delete 0, find 0/0 [ 844.017396] Free swap = 0kB [ 844.017398] Total swap = 0kB [ 844.017400] 1965979 pages RAM [ 844.017402] 0 pages HighMem/MovableOnly [ 844.017404] 313617 pages reserved [ 844.182870] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 844.182870] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 844.182870] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 844.182870] Free memory is -13508kB above reserved [ 844.182881] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 844.182881] to free 124kB on behalf of 'syz-execprog' (2154) because [ 844.182881] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 844.182881] Free memory is -13508kB above reserved [ 844.358121] udevd: page allocation stalls for 70010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 844.358130] CPU: 1 PID: 578 Comm: udevd Not tainted 4.9.141+ #1 [ 844.358144] ffff8801d17bf7c0 ffffffff81b42e79 1ffff1003a2f7efa ffff8801d1725f00 [ 844.358159] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d17bf908 [ 844.358169] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 844.358171] Call Trace: [ 844.358186] [] dump_stack+0xc1/0x128 [ 844.358196] [] warn_alloc.cold.31+0x7f/0x9c [ 844.358206] [] ? zone_watermark_ok_safe+0x250/0x250 [ 844.358214] [] ? shrink_node+0x740/0x740 [ 844.358223] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 844.358232] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 844.358240] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 844.358249] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 844.358256] [] ? find_get_entry+0x11a/0x570 [ 844.358264] [] ? find_get_entry+0x141/0x570 [ 844.358271] [] ? page_cache_prev_hole+0x80/0x80 [ 844.358279] [] ? autoremove_wake_function+0x40/0x40 ** 65 printk messages dropped ** [ 844.404594] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 49 printk messages dropped ** [ 844.472540] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 844.472556] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 844.472580] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 844.472630] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB ** 85 printk messages dropped ** [ 847.578399] [] handle_mm_fault+0x1326/0x2350 ** 32 printk messages dropped ** [ 852.262871] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 852.262871] to free 124kB on behalf of 'udevd' (578) because [ 852.262871] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 852.262871] Free memory is -13508kB above reserved [ 853.272826] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 853.272826] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 853.272826] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 853.272826] Free memory is -13508kB above reserved [ 853.272846] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 853.272846] to free 124kB on behalf of 'udevd' (470) because [ 853.272846] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 853.272846] Free memory is -13508kB above reserved [ 853.937754] rsyslogd: page allocation stalls for 80020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 853.937762] CPU: 0 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 853.937778] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 853.937788] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 853.937798] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 853.937800] Call Trace: [ 853.937814] [] dump_stack+0xc1/0x128 [ 853.937823] [] warn_alloc.cold.31+0x7f/0x9c [ 853.937833] [] ? zone_watermark_ok_safe+0x250/0x250 [ 853.937842] [] ? shrink_node+0x740/0x740 [ 853.937851] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 853.937859] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 853.937868] [] ? check_preemption_disabled+0x3b/0x200 [ 853.937875] [] ? find_get_entry+0x11a/0x570 [ 853.937882] [] ? find_get_entry+0x141/0x570 [ 853.937889] [] ? page_cache_prev_hole+0x80/0x80 [ 853.937898] [] ? autoremove_wake_function+0x40/0x40 [ 853.937905] [] ? pagecache_get_page+0x131/0x710 [ 853.937912] [] filemap_fault+0xaf1/0x1110 [ 853.937921] [] ext4_filemap_fault+0x71/0xa0 [ 853.937928] [] __do_fault+0x223/0x500 [ 853.937934] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 853.937942] [] ? generic_file_readonly_mmap+0x190/0x190 [ 853.937950] [] handle_mm_fault+0x1326/0x2350 [ 853.937957] [] ? vm_insert_page+0x6f0/0x6f0 [ 853.937964] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 853.937973] [] __do_page_fault+0x403/0xa60 [ 853.937981] [] ? bad_area_access_error+0x3a0/0x3a0 [ 853.937989] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 853.937996] [] do_page_fault+0x27/0x30 [ 853.938004] [] page_fault+0x25/0x30 [ 853.938008] Mem-Info: [ 853.938025] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 853.938025] active_file:6 inactive_file:25 isolated_file:0 [ 853.938025] unevictable:0 dirty:0 writeback:0 unstable:0 [ 853.938025] slab_reclaimable:4624 slab_unreclaimable:56977 [ 853.938025] mapped:4 shmem:48 pagetables:377 bounce:0 [ 853.938025] free:5999 free_pcp:80 free_cma:0 [ 853.938044] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 853.938062] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 853.938088] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 853.938143] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 853.938192] 0 pages in swap cache [ 853.938195] Swap cache stats: add 0, delete 0, find 0/0 [ 853.938198] Free swap = 0kB [ 853.938200] Total swap = 0kB [ 853.938202] 1965979 pages RAM [ 853.938204] 0 pages HighMem/MovableOnly [ 853.938206] 313617 pages reserved [ 853.958019] syz-execprog: page allocation stalls for 80030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 853.958026] CPU: 1 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 853.958040] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 853.958050] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 853.958059] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 853.958061] Call Trace: [ 853.958072] [] dump_stack+0xc1/0x128 [ 853.958081] [] warn_alloc.cold.31+0x7f/0x9c [ 853.958089] [] ? zone_watermark_ok_safe+0x250/0x250 [ 853.958096] [] ? shrink_node+0x740/0x740 [ 853.958105] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 853.958113] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 853.958122] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 853.958129] [] ? find_get_entry+0x11a/0x570 [ 853.958136] [] ? find_get_entry+0x141/0x570 [ 853.958143] [] ? page_cache_prev_hole+0x80/0x80 [ 853.958150] [] ? autoremove_wake_function+0x40/0x40 [ 853.958158] [] ? pagecache_get_page+0x131/0x710 [ 853.958165] [] filemap_fault+0xaf1/0x1110 [ 853.958173] [] ext4_filemap_fault+0x71/0xa0 ** 35 printk messages dropped ** [ 853.968168] Call Trace: [ 853.968177] [] dump_stack+0xc1/0x128 [ 853.968184] [] warn_alloc.cold.31+0x7f/0x9c [ 853.968192] [] ? zone_watermark_ok_safe+0x250/0x250 [ 853.968200] [] ? shrink_node+0x740/0x740 [ 853.968209] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 853.968216] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 853.968225] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 853.968232] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 853.968239] [] ? find_get_entry+0x11a/0x570 [ 853.968246] [] ? find_get_entry+0x141/0x570 [ 853.968253] [] ? page_cache_prev_hole+0x80/0x80 [ 853.968261] [] ? autoremove_wake_function+0x40/0x40 [ 853.968268] [] ? pagecache_get_page+0x131/0x710 [ 853.968276] [] filemap_fault+0xaf1/0x1110 [ 853.968284] [] ext4_filemap_fault+0x71/0xa0 [ 853.968290] [] __do_fault+0x223/0x500 [ 853.968297] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 853.968305] [] ? generic_file_readonly_mmap+0x190/0x190 [ 853.968312] [] handle_mm_fault+0x1326/0x2350 [ 853.968320] [] ? ep_poll+0x18f/0xb20 [ 853.968328] [] ? vm_insert_page+0x6f0/0x6f0 [ 853.968335] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 853.968343] [] __do_page_fault+0x403/0xa60 [ 853.968350] [] ? __fget_light+0x169/0x1f0 [ 853.968358] [] ? bad_area_access_error+0x3a0/0x3a0 [ 853.968366] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 853.968373] [] do_page_fault+0x27/0x30 [ 853.968380] [] page_fault+0x25/0x30 [ 853.968383] Mem-Info: [ 853.968398] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 853.968398] active_file:6 inactive_file:25 isolated_file:0 [ 853.968398] unevictable:0 dirty:0 writeback:0 unstable:0 [ 853.968398] slab_reclaimable:4624 slab_unreclaimable:56977 [ 853.968398] mapped:4 shmem:48 pagetables:377 bounce:0 [ 853.968398] free:5999 free_pcp:80 free_cma:0 [ 853.968411] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 853.968429] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 853.968455] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 853.968509] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 853.968562] 0 pages in swap cache [ 853.968565] Swap cache stats: add 0, delete 0, find 0/0 [ 853.968568] Free swap = 0kB [ 853.968570] Total swap = 0kB [ 853.968572] 1965979 pages RAM [ 853.968574] 0 pages HighMem/MovableOnly [ 853.968576] 313617 pages reserved [ 854.007452] syz-executor.1: page allocation stalls for 80060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 854.007460] CPU: 0 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 854.007474] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 854.007484] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 854.007494] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 854.007496] Call Trace: [ 854.007509] [] dump_stack+0xc1/0x128 [ 854.007518] [] warn_alloc.cold.31+0x7f/0x9c [ 854.007526] [] ? zone_watermark_ok_safe+0x250/0x250 [ 854.007534] [] ? shrink_node+0x740/0x740 [ 854.007543] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 854.007552] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 854.007561] [] ? check_preemption_disabled+0x3b/0x200 [ 854.007569] [] ? find_get_entry+0x11a/0x570 [ 854.007576] [] ? find_get_entry+0x141/0x570 [ 854.007583] [] ? page_cache_prev_hole+0x80/0x80 [ 854.007590] [] ? pagecache_get_page+0x131/0x710 [ 854.007598] [] filemap_fault+0xaf1/0x1110 [ 854.007606] [] ext4_filemap_fault+0x71/0xa0 [ 854.007613] [] __do_fault+0x223/0x500 [ 854.007620] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 854.007628] [] ? generic_file_readonly_mmap+0x190/0x190 [ 854.007635] [] handle_mm_fault+0x1326/0x2350 [ 854.007642] [] ? vm_insert_page+0x6f0/0x6f0 [ 854.007652] [] __do_page_fault+0x403/0xa60 [ 854.007659] [] ? bad_area_access_error+0x3a0/0x3a0 [ 854.007668] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 854.007675] [] do_page_fault+0x27/0x30 [ 854.007683] [] page_fault+0x25/0x30 [ 854.007686] Mem-Info: [ 854.007702] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 854.007702] active_file:6 inactive_file:25 isolated_file:0 [ 854.007702] unevictable:0 dirty:0 writeback:0 unstable:0 [ 854.007702] slab_reclaimable:4624 slab_unreclaimable:56977 [ 854.007702] mapped:4 shmem:48 pagetables:377 bounce:0 [ 854.007702] free:5999 free_pcp:80 free_cma:0 [ 854.007716] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 854.007734] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 854.007760] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 854.007815] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 854.007862] 0 pages in swap cache [ 854.007866] Swap cache stats: add 0, delete 0, find 0/0 [ 854.007868] Free swap = 0kB [ 854.007870] Total swap = 0kB [ 854.007873] 1965979 pages RAM [ 854.007875] 0 pages HighMem/MovableOnly [ 854.007877] 313617 pages reserved [ 854.042577] syz-execprog: page allocation stalls for 80050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 854.042584] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 854.042598] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 854.042608] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 854.042618] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 854.042619] Call Trace: [ 854.042631] [] dump_stack+0xc1/0x128 [ 854.042640] [] warn_alloc.cold.31+0x7f/0x9c [ 854.042648] [] ? zone_watermark_ok_safe+0x250/0x250 [ 854.042656] [] ? shrink_node+0x740/0x740 [ 854.042665] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 854.042673] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 854.042682] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 854.042690] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 854.042697] [] ? find_get_entry+0x11a/0x570 [ 854.042705] [] ? find_get_entry+0x141/0x570 [ 854.042712] [] ? page_cache_prev_hole+0x80/0x80 [ 854.042720] [] ? autoremove_wake_function+0x40/0x40 [ 854.042727] [] ? pagecache_get_page+0x131/0x710 [ 854.042738] [] filemap_fault+0xaf1/0x1110 [ 854.042747] [] ext4_filemap_fault+0x71/0xa0 [ 854.042753] [] __do_fault+0x223/0x500 [ 854.042760] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 854.042767] [] ? generic_file_readonly_mmap+0x190/0x190 [ 854.042774] [] handle_mm_fault+0x1326/0x2350 [ 854.042781] [] ? vm_insert_page+0x6f0/0x6f0 [ 854.042788] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 854.042795] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 854.042804] [] __do_page_fault+0x403/0xa60 [ 854.042812] [] ? bad_area_access_error+0x3a0/0x3a0 [ 854.042822] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 854.042829] [] do_page_fault+0x27/0x30 [ 854.042837] [] page_fault+0x25/0x30 [ 854.065254] Mem-Info: [ 854.065272] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 854.065272] active_file:6 inactive_file:25 isolated_file:0 [ 854.065272] unevictable:0 dirty:0 writeback:0 unstable:0 [ 854.065272] slab_reclaimable:4624 slab_unreclaimable:56977 [ 854.065272] mapped:4 shmem:48 pagetables:377 bounce:0 [ 854.065272] free:5999 free_pcp:80 free_cma:0 [ 854.065285] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 854.065304] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 854.065330] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 854.065385] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 854.065432] 0 pages in swap cache [ 854.065436] Swap cache stats: add 0, delete 0, find 0/0 [ 854.065438] Free swap = 0kB [ 854.065440] Total swap = 0kB [ 854.065442] 1965979 pages RAM [ 854.065445] 0 pages HighMem/MovableOnly [ 854.065447] 313617 pages reserved [ 854.282879] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 854.282879] to free 124kB on behalf of 'syz-execprog' (2171) because [ 854.282879] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 854.282879] Free memory is -13508kB above reserved [ 854.378096] udevd: page allocation stalls for 80030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 854.378105] CPU: 0 PID: 578 Comm: udevd Not tainted 4.9.141+ #1 [ 854.378123] ffff8801d17bf7c0 ffffffff81b42e79 1ffff1003a2f7efa ffff8801d1725f00 [ 854.378131] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d17bf908 [ 854.378138] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 854.378139] Call Trace: [ 854.378154] [] dump_stack+0xc1/0x128 [ 854.378164] [] warn_alloc.cold.31+0x7f/0x9c [ 854.378173] [] ? zone_watermark_ok_safe+0x250/0x250 [ 854.378181] [] ? shrink_node+0x740/0x740 [ 854.378189] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 854.378196] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 854.378205] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 854.378212] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 854.378219] [] ? find_get_entry+0x11a/0x570 [ 854.378226] [] ? find_get_entry+0x141/0x570 [ 854.378232] [] ? page_cache_prev_hole+0x80/0x80 [ 854.378240] [] ? autoremove_wake_function+0x40/0x40 [ 854.378247] [] ? pagecache_get_page+0x131/0x710 [ 854.378253] [] filemap_fault+0xaf1/0x1110 [ 854.378261] [] ext4_filemap_fault+0x71/0xa0 [ 854.378267] [] __do_fault+0x223/0x500 [ 854.378273] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 854.378281] [] ? generic_file_readonly_mmap+0x190/0x190 ** 109 printk messages dropped ** [ 854.442722] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 854.442744] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 854.442798] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:108kB free_cma:0kB ** 119 printk messages dropped ** [ 862.362870] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 862.362870] to free 124kB on behalf of 'cron' (1943) because [ 862.362870] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 862.362870] Free memory is -13508kB above reserved [ 862.362881] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 862.362881] to free 124kB on behalf of 'syz-executor.4' (2327) because [ 862.362881] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 862.362881] Free memory is -13508kB above reserved [ 863.372835] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 863.372835] to free 124kB on behalf of 'udevd' (470) because [ 863.372835] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 863.372835] Free memory is -13508kB above reserved [ 863.940605] syz-execprog: page allocation stalls for 90010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 863.940615] CPU: 0 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 863.940631] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 863.940641] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 863.940651] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 863.940653] Call Trace: [ 863.940669] [] dump_stack+0xc1/0x128 [ 863.940679] [] warn_alloc.cold.31+0x7f/0x9c [ 863.940689] [] ? zone_watermark_ok_safe+0x250/0x250 [ 863.940697] [] ? shrink_node+0x740/0x740 [ 863.940706] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 863.940715] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 863.940724] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 863.940731] [] ? find_get_entry+0x11a/0x570 [ 863.940738] [] ? find_get_entry+0x141/0x570 [ 863.940745] [] ? page_cache_prev_hole+0x80/0x80 [ 863.940754] [] ? autoremove_wake_function+0x40/0x40 [ 863.940762] [] ? pagecache_get_page+0x131/0x710 [ 863.940769] [] filemap_fault+0xaf1/0x1110 [ 863.940778] [] ext4_filemap_fault+0x71/0xa0 [ 863.940785] [] __do_fault+0x223/0x500 [ 863.940792] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 863.940800] [] ? generic_file_readonly_mmap+0x190/0x190 [ 863.940807] [] handle_mm_fault+0x1326/0x2350 [ 863.940816] [] ? poll_select_set_timeout+0xb5/0x120 [ 863.940823] [] ? vm_insert_page+0x6f0/0x6f0 [ 863.940831] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 863.940840] [] __do_page_fault+0x403/0xa60 [ 863.940847] [] ? __fget_light+0x169/0x1f0 [ 863.940855] [] ? bad_area_access_error+0x3a0/0x3a0 [ 863.940864] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 863.940871] [] do_page_fault+0x27/0x30 [ 863.940879] [] page_fault+0x25/0x30 [ 863.940883] Mem-Info: [ 863.940900] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 863.940900] active_file:6 inactive_file:25 isolated_file:0 [ 863.940900] unevictable:0 dirty:0 writeback:0 unstable:0 [ 863.940900] slab_reclaimable:4624 slab_unreclaimable:56977 [ 863.940900] mapped:4 shmem:48 pagetables:377 bounce:0 [ 863.940900] free:5999 free_pcp:80 free_cma:0 [ 863.940913] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 863.940930] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 863.940956] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 863.941012] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 863.941059] 0 pages in swap cache [ 863.941063] Swap cache stats: add 0, delete 0, find 0/0 [ 863.941065] Free swap = 0kB [ 863.941067] Total swap = 0kB [ 863.941069] 1965979 pages RAM [ 863.941071] 0 pages HighMem/MovableOnly [ 863.941073] 313617 pages reserved [ 863.958715] syz-execprog: page allocation stalls for 90010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 863.958723] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 863.958736] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 863.958746] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 863.958756] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 863.958757] Call Trace: [ 863.958768] [] dump_stack+0xc1/0x128 [ 863.958776] [] warn_alloc.cold.31+0x7f/0x9c [ 863.958784] [] ? zone_watermark_ok_safe+0x250/0x250 [ 863.958792] [] ? shrink_node+0x740/0x740 [ 863.958801] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 863.958809] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 863.958817] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 863.958825] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 863.958832] [] ? find_get_entry+0x11a/0x570 [ 863.958840] [] ? find_get_entry+0x141/0x570 [ 863.958847] [] ? page_cache_prev_hole+0x80/0x80 [ 863.958854] [] ? autoremove_wake_function+0x40/0x40 [ 863.958861] [] ? pagecache_get_page+0x131/0x710 [ 863.958869] [] filemap_fault+0xaf1/0x1110 [ 863.958877] [] ext4_filemap_fault+0x71/0xa0 ** 10 printk messages dropped ** [ 863.958959] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 14 printk messages dropped ** [ 863.959155] Free swap = 0kB ** 5 printk messages dropped ** [ 863.983446] CPU: 0 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 863.983461] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 863.983471] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 863.983481] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 863.983482] Call Trace: [ 863.983497] [] dump_stack+0xc1/0x128 [ 863.983506] [] warn_alloc.cold.31+0x7f/0x9c [ 863.983514] [] ? zone_watermark_ok_safe+0x250/0x250 [ 863.983522] [] ? shrink_node+0x740/0x740 [ 863.983531] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 863.983540] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 863.983549] [] ? check_preemption_disabled+0x3b/0x200 [ 863.983556] [] ? find_get_entry+0x11a/0x570 [ 863.983563] [] ? find_get_entry+0x141/0x570 [ 863.983570] [] ? page_cache_prev_hole+0x80/0x80 [ 863.983578] [] ? pagecache_get_page+0x131/0x710 [ 863.983585] [] filemap_fault+0xaf1/0x1110 [ 863.983595] [] ext4_filemap_fault+0x71/0xa0 [ 863.983601] [] __do_fault+0x223/0x500 [ 863.983608] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 863.983616] [] ? generic_file_readonly_mmap+0x190/0x190 [ 863.983623] [] handle_mm_fault+0x1326/0x2350 [ 863.983630] [] ? vm_insert_page+0x6f0/0x6f0 [ 863.983639] [] __do_page_fault+0x403/0xa60 [ 863.983647] [] ? bad_area_access_error+0x3a0/0x3a0 [ 863.983656] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 863.983663] [] do_page_fault+0x27/0x30 [ 863.983670] [] page_fault+0x25/0x30 [ 863.983674] Mem-Info: [ 863.983689] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 863.983689] active_file:6 inactive_file:25 isolated_file:0 [ 863.983689] unevictable:0 dirty:0 writeback:0 unstable:0 [ 863.983689] slab_reclaimable:4624 slab_unreclaimable:56977 [ 863.983689] mapped:4 shmem:48 pagetables:377 bounce:0 [ 863.983689] free:5999 free_pcp:80 free_cma:0 [ 863.983702] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 863.983721] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 863.983747] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 863.983801] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 863.983849] 0 pages in swap cache [ 863.983853] Swap cache stats: add 0, delete 0, find 0/0 [ 863.983855] Free swap = 0kB [ 863.983857] Total swap = 0kB [ 863.983860] 1965979 pages RAM [ 863.983862] 0 pages HighMem/MovableOnly [ 863.983864] 313617 pages reserved [ 863.988798] rsyslogd: page allocation stalls for 90070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 863.988805] CPU: 1 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 863.988818] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 863.988828] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 863.988838] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 863.988839] Call Trace: [ 863.988848] [] dump_stack+0xc1/0x128 [ 863.988856] [] warn_alloc.cold.31+0x7f/0x9c [ 863.988864] [] ? zone_watermark_ok_safe+0x250/0x250 [ 863.988872] [] ? shrink_node+0x740/0x740 [ 863.988881] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 863.988896] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 863.988903] [] ? check_preemption_disabled+0x3b/0x200 [ 863.988911] [] ? find_get_entry+0x11a/0x570 [ 863.988918] [] ? find_get_entry+0x141/0x570 [ 863.988925] [] ? page_cache_prev_hole+0x80/0x80 [ 863.988933] [] ? autoremove_wake_function+0x40/0x40 [ 863.988940] [] ? pagecache_get_page+0x131/0x710 [ 863.988948] [] filemap_fault+0xaf1/0x1110 [ 863.988955] [] ext4_filemap_fault+0x71/0xa0 [ 863.988962] [] __do_fault+0x223/0x500 [ 863.988969] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 863.988977] [] ? generic_file_readonly_mmap+0x190/0x190 [ 863.988984] [] handle_mm_fault+0x1326/0x2350 [ 863.988991] [] ? vm_insert_page+0x6f0/0x6f0 [ 863.988999] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 863.989007] [] __do_page_fault+0x403/0xa60 [ 863.989014] [] ? bad_area_access_error+0x3a0/0x3a0 [ 863.989023] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 863.989030] [] do_page_fault+0x27/0x30 [ 863.989037] [] page_fault+0x25/0x30 [ 863.989040] Mem-Info: [ 863.989056] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 863.989056] active_file:6 inactive_file:25 isolated_file:0 [ 863.989056] unevictable:0 dirty:0 writeback:0 unstable:0 [ 863.989056] slab_reclaimable:4624 slab_unreclaimable:56977 [ 863.989056] mapped:4 shmem:48 pagetables:377 bounce:0 [ 863.989056] free:5999 free_pcp:80 free_cma:0 [ 863.989069] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 863.989086] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 863.989112] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 863.989166] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 863.989213] 0 pages in swap cache [ 863.989217] Swap cache stats: add 0, delete 0, find 0/0 [ 863.989219] Free swap = 0kB [ 863.989221] Total swap = 0kB [ 863.989224] 1965979 pages RAM [ 863.989226] 0 pages HighMem/MovableOnly [ 863.989228] 313617 pages reserved [ 864.022327] syz-execprog: page allocation stalls for 90030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 864.022334] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 864.022348] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 864.022359] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 864.022368] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 864.022370] Call Trace: [ 864.022383] [] dump_stack+0xc1/0x128 [ 864.022398] [] warn_alloc.cold.31+0x7f/0x9c [ 864.022407] [] ? zone_watermark_ok_safe+0x250/0x250 [ 864.022414] [] ? shrink_node+0x740/0x740 [ 864.022423] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 864.022431] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 864.022440] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 864.022448] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 864.022455] [] ? find_get_entry+0x11a/0x570 [ 864.022462] [] ? find_get_entry+0x141/0x570 [ 864.022469] [] ? page_cache_prev_hole+0x80/0x80 [ 864.022477] [] ? autoremove_wake_function+0x40/0x40 [ 864.022484] [] ? pagecache_get_page+0x131/0x710 [ 864.022492] [] filemap_fault+0xaf1/0x1110 [ 864.022501] [] ext4_filemap_fault+0x71/0xa0 [ 864.022507] [] __do_fault+0x223/0x500 [ 864.022514] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 864.022522] [] ? generic_file_readonly_mmap+0x190/0x190 [ 864.022529] [] handle_mm_fault+0x1326/0x2350 [ 864.022536] [] ? vm_insert_page+0x6f0/0x6f0 [ 864.022543] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 864.022550] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 864.022558] [] __do_page_fault+0x403/0xa60 [ 864.022566] [] ? bad_area_access_error+0x3a0/0x3a0 [ 864.022575] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 864.022582] [] do_page_fault+0x27/0x30 [ 864.022589] [] page_fault+0x25/0x30 [ 864.022592] Mem-Info: [ 864.022609] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 864.022609] active_file:6 inactive_file:25 isolated_file:0 [ 864.022609] unevictable:0 dirty:0 writeback:0 unstable:0 [ 864.022609] slab_reclaimable:4624 slab_unreclaimable:56977 [ 864.022609] mapped:4 shmem:48 pagetables:377 bounce:0 [ 864.022609] free:5999 free_pcp:80 free_cma:0 [ 864.022621] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 864.022639] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 864.022665] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 864.022720] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 864.062835] 0 pages in swap cache [ 864.062839] Swap cache stats: add 0, delete 0, find 0/0 [ 864.062841] Free swap = 0kB [ 864.062843] Total swap = 0kB [ 864.062845] 1965979 pages RAM [ 864.062848] 0 pages HighMem/MovableOnly [ 864.062850] 313617 pages reserved [ 864.369100] udevd: page allocation stalls for 90020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 864.369109] CPU: 1 PID: 578 Comm: udevd Not tainted 4.9.141+ #1 [ 864.369124] ffff8801d17bf7c0 ffffffff81b42e79 1ffff1003a2f7efa ffff8801d1725f00 [ 864.369134] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d17bf908 [ 864.369144] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 864.369145] Call Trace: [ 864.369160] [] dump_stack+0xc1/0x128 [ 864.369171] [] warn_alloc.cold.31+0x7f/0x9c [ 864.369180] [] ? zone_watermark_ok_safe+0x250/0x250 [ 864.369189] [] ? shrink_node+0x740/0x740 [ 864.369197] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 864.369205] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 864.369214] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 864.369223] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 864.369230] [] ? find_get_entry+0x11a/0x570 [ 864.369237] [] ? find_get_entry+0x141/0x570 [ 864.369244] [] ? page_cache_prev_hole+0x80/0x80 [ 864.369252] [] ? autoremove_wake_function+0x40/0x40 [ 864.369260] [] ? pagecache_get_page+0x131/0x710 ** 9 printk messages dropped ** [ 864.369336] [] ? bad_area_access_error+0x3a0/0x3a0 ** 95 printk messages dropped ** [ 864.437811] [] handle_mm_fault+0x1326/0x2350 [ 864.437818] [] ? vm_insert_page+0x6f0/0x6f0 [ 864.437827] [] ? kvm_clock_read+0x23/0x40 [ 864.437834] [] ? kvm_clock_get_cycles+0x9/0x10 [ 864.437842] [] __do_page_fault+0x403/0xa60 [ 864.437850] [] ? bad_area_access_error+0x3a0/0x3a0 [ 864.437866] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 864.437873] [] do_page_fault+0x27/0x30 [ 864.437882] [] page_fault+0x25/0x30 ** 74 printk messages dropped ** [ 867.579086] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 867.579096] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 46 printk messages dropped ** [ 869.432854] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 869.432854] to free 124kB on behalf of 'cron' (1943) because [ 869.432854] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 869.432854] Free memory is -13508kB above reserved [ 870.442840] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 870.442840] to free 124kB on behalf of 'syz-executor.1' (2175) because [ 870.442840] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 870.442840] Free memory is -13508kB above reserved [ 871.452874] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 871.452874] to free 124kB on behalf of 'syz-execprog' (2154) because [ 871.452874] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 871.452874] Free memory is -13508kB above reserved [ 871.452885] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 871.452885] to free 124kB on behalf of 'syz-executor.4' (2327) because [ 871.452885] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 871.452885] Free memory is -13508kB above reserved [ 871.477713] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 871.477713] to free 124kB on behalf of 'init' (1) because [ 871.477713] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 871.477713] Free memory is -13508kB above reserved [ 872.482829] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 872.482829] to free 124kB on behalf of 'syz-execprog' (2156) because [ 872.482829] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 872.482829] Free memory is -13508kB above reserved [ 872.482844] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 872.482844] to free 124kB on behalf of 'udevd' (470) because [ 872.482844] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 872.482844] Free memory is -13508kB above reserved [ 873.492864] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 873.492864] to free 124kB on behalf of 'udevd' (578) because [ 873.492864] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 873.492864] Free memory is -13508kB above reserved [ 873.492876] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 873.492876] to free 124kB on behalf of 'syz-execprog' (2154) because [ 873.492876] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 873.492876] Free memory is -13508kB above reserved [ 873.938432] syz-execprog: page allocation stalls for 100010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 873.938440] CPU: 0 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 873.938456] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 873.938466] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 873.938476] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 873.938478] Call Trace: [ 873.938493] [] dump_stack+0xc1/0x128 [ 873.938503] [] warn_alloc.cold.31+0x7f/0x9c [ 873.938512] [] ? zone_watermark_ok_safe+0x250/0x250 [ 873.938520] [] ? shrink_node+0x740/0x740 [ 873.938529] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 873.938539] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 873.938547] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 873.938554] [] ? find_get_entry+0x11a/0x570 [ 873.938561] [] ? find_get_entry+0x141/0x570 [ 873.938569] [] ? page_cache_prev_hole+0x80/0x80 [ 873.938578] [] ? autoremove_wake_function+0x40/0x40 [ 873.938585] [] ? pagecache_get_page+0x131/0x710 [ 873.938593] [] filemap_fault+0xaf1/0x1110 [ 873.938601] [] ext4_filemap_fault+0x71/0xa0 [ 873.938608] [] __do_fault+0x223/0x500 [ 873.938615] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 873.938623] [] ? generic_file_readonly_mmap+0x190/0x190 [ 873.938630] [] handle_mm_fault+0x1326/0x2350 [ 873.938638] [] ? poll_select_set_timeout+0xb5/0x120 [ 873.938646] [] ? vm_insert_page+0x6f0/0x6f0 [ 873.938654] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 873.938663] [] __do_page_fault+0x403/0xa60 [ 873.938671] [] ? __fget_light+0x169/0x1f0 [ 873.938679] [] ? bad_area_access_error+0x3a0/0x3a0 [ 873.938688] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 873.938695] [] do_page_fault+0x27/0x30 [ 873.938703] [] page_fault+0x25/0x30 [ 873.938707] Mem-Info: [ 873.938723] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 873.938723] active_file:6 inactive_file:25 isolated_file:0 [ 873.938723] unevictable:0 dirty:0 writeback:0 unstable:0 [ 873.938723] slab_reclaimable:4624 slab_unreclaimable:56977 [ 873.938723] mapped:4 shmem:48 pagetables:377 bounce:0 [ 873.938723] free:5999 free_pcp:80 free_cma:0 [ 873.938737] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 873.938760] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 873.938787] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 873.938842] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 873.938893] 0 pages in swap cache [ 873.938897] Swap cache stats: add 0, delete 0, find 0/0 [ 873.938899] Free swap = 0kB [ 873.938901] Total swap = 0kB [ 873.938903] 1965979 pages RAM [ 873.938906] 0 pages HighMem/MovableOnly [ 873.938908] 313617 pages reserved [ 873.960404] rsyslogd: page allocation stalls for 100040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 873.960412] CPU: 1 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 873.960426] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 873.960436] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 873.960446] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 29 printk messages dropped ** [ 873.960695] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 2 printk messages dropped ** [ 873.960729] lowmem_reserve[]: 0 0 0 [ 873.960775] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 873.960822] 0 pages in swap cache [ 873.960826] Swap cache stats: add 0, delete 0, find 0/0 [ 873.960828] Free swap = 0kB [ 873.960830] Total swap = 0kB [ 873.960833] 1965979 pages RAM [ 873.960835] 0 pages HighMem/MovableOnly [ 873.960837] 313617 pages reserved [ 873.973525] syz-execprog: page allocation stalls for 100030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 873.973532] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 873.973545] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 873.973556] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 873.973566] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 873.973567] Call Trace: [ 873.973578] [] dump_stack+0xc1/0x128 [ 873.973586] [] warn_alloc.cold.31+0x7f/0x9c [ 873.973595] [] ? zone_watermark_ok_safe+0x250/0x250 [ 873.973602] [] ? shrink_node+0x740/0x740 [ 873.973611] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 873.973619] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 873.973628] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 873.973636] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 873.973643] [] ? find_get_entry+0x11a/0x570 [ 873.973650] [] ? find_get_entry+0x141/0x570 [ 873.973657] [] ? page_cache_prev_hole+0x80/0x80 [ 873.973665] [] ? autoremove_wake_function+0x40/0x40 [ 873.973672] [] ? pagecache_get_page+0x131/0x710 [ 873.973680] [] filemap_fault+0xaf1/0x1110 [ 873.973688] [] ext4_filemap_fault+0x71/0xa0 [ 873.973695] [] __do_fault+0x223/0x500 [ 873.973702] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 873.973710] [] ? generic_file_readonly_mmap+0x190/0x190 [ 873.973717] [] handle_mm_fault+0x1326/0x2350 [ 873.973724] [] ? ep_poll+0x18f/0xb20 [ 873.973732] [] ? vm_insert_page+0x6f0/0x6f0 [ 873.973739] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 873.973747] [] __do_page_fault+0x403/0xa60 [ 873.973755] [] ? __fget_light+0x169/0x1f0 [ 873.973762] [] ? bad_area_access_error+0x3a0/0x3a0 [ 873.973771] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 873.973778] [] do_page_fault+0x27/0x30 [ 873.973786] [] page_fault+0x25/0x30 [ 873.973789] Mem-Info: [ 873.973805] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 873.973805] active_file:6 inactive_file:25 isolated_file:0 [ 873.973805] unevictable:0 dirty:0 writeback:0 unstable:0 [ 873.973805] slab_reclaimable:4624 slab_unreclaimable:56977 [ 873.973805] mapped:4 shmem:48 pagetables:377 bounce:0 [ 873.973805] free:5999 free_pcp:80 free_cma:0 [ 873.973818] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 873.973835] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 873.973862] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 873.973916] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 873.973964] 0 pages in swap cache [ 873.973968] Swap cache stats: add 0, delete 0, find 0/0 [ 873.973970] Free swap = 0kB [ 873.973972] Total swap = 0kB [ 873.973974] 1965979 pages RAM [ 873.973976] 0 pages HighMem/MovableOnly [ 873.973978] 313617 pages reserved [ 873.979476] syz-executor.1: page allocation stalls for 100030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 873.979532] CPU: 1 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 873.979545] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 873.979555] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 873.979565] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 873.979566] Call Trace: [ 873.979575] [] dump_stack+0xc1/0x128 [ 873.979583] [] warn_alloc.cold.31+0x7f/0x9c [ 873.979592] [] ? zone_watermark_ok_safe+0x250/0x250 [ 873.979599] [] ? shrink_node+0x740/0x740 [ 873.979608] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 873.979617] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 873.979626] [] ? check_preemption_disabled+0x3b/0x200 [ 873.979633] [] ? find_get_entry+0x11a/0x570 [ 873.979641] [] ? find_get_entry+0x141/0x570 [ 873.979647] [] ? page_cache_prev_hole+0x80/0x80 [ 873.979655] [] ? pagecache_get_page+0x131/0x710 [ 873.979662] [] filemap_fault+0xaf1/0x1110 [ 873.979670] [] ext4_filemap_fault+0x71/0xa0 [ 873.979677] [] __do_fault+0x223/0x500 [ 873.979684] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 873.979692] [] ? generic_file_readonly_mmap+0x190/0x190 [ 873.979699] [] handle_mm_fault+0x1326/0x2350 [ 873.979706] [] ? vm_insert_page+0x6f0/0x6f0 [ 873.979714] [] __do_page_fault+0x403/0xa60 [ 873.979722] [] ? bad_area_access_error+0x3a0/0x3a0 [ 873.979731] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 873.979738] [] do_page_fault+0x27/0x30 [ 873.979744] [] page_fault+0x25/0x30 [ 873.979747] Mem-Info: [ 873.979762] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 873.979762] active_file:6 inactive_file:25 isolated_file:0 [ 873.979762] unevictable:0 dirty:0 writeback:0 unstable:0 [ 873.979762] slab_reclaimable:4624 slab_unreclaimable:56977 [ 873.979762] mapped:4 shmem:48 pagetables:377 bounce:0 [ 873.979762] free:5999 free_pcp:80 free_cma:0 [ 873.979776] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 873.979793] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 873.979819] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 873.979873] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 873.979921] 0 pages in swap cache [ 873.979925] Swap cache stats: add 0, delete 0, find 0/0 [ 873.979927] Free swap = 0kB [ 873.979929] Total swap = 0kB [ 873.979931] 1965979 pages RAM [ 873.979933] 0 pages HighMem/MovableOnly [ 873.979935] 313617 pages reserved [ 874.018413] syz-execprog: page allocation stalls for 100030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 874.018421] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 874.018436] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 874.018446] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 874.018456] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 874.018457] Call Trace: [ 874.018470] [] dump_stack+0xc1/0x128 [ 874.018479] [] warn_alloc.cold.31+0x7f/0x9c [ 874.018488] [] ? zone_watermark_ok_safe+0x250/0x250 [ 874.018496] [] ? shrink_node+0x740/0x740 [ 874.018505] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 874.018513] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 874.018521] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 874.018529] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 874.018536] [] ? find_get_entry+0x11a/0x570 [ 874.018543] [] ? find_get_entry+0x141/0x570 [ 874.018550] [] ? page_cache_prev_hole+0x80/0x80 [ 874.018559] [] ? autoremove_wake_function+0x40/0x40 [ 874.018566] [] ? pagecache_get_page+0x131/0x710 [ 874.018574] [] filemap_fault+0xaf1/0x1110 [ 874.018582] [] ext4_filemap_fault+0x71/0xa0 [ 874.018589] [] __do_fault+0x223/0x500 [ 874.018596] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 874.018604] [] ? generic_file_readonly_mmap+0x190/0x190 [ 874.018611] [] handle_mm_fault+0x1326/0x2350 [ 874.018618] [] ? vm_insert_page+0x6f0/0x6f0 [ 874.018625] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 874.018632] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 874.018640] [] __do_page_fault+0x403/0xa60 [ 874.018648] [] ? bad_area_access_error+0x3a0/0x3a0 [ 874.018657] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 874.018664] [] do_page_fault+0x27/0x30 [ 874.018671] [] page_fault+0x25/0x30 [ 874.018675] Mem-Info: [ 874.018691] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 874.018691] active_file:6 inactive_file:25 isolated_file:0 [ 874.018691] unevictable:0 dirty:0 writeback:0 unstable:0 [ 874.018691] slab_reclaimable:4624 slab_unreclaimable:56977 [ 874.018691] mapped:4 shmem:48 pagetables:377 bounce:0 [ 874.018691] free:5999 free_pcp:80 free_cma:0 [ 874.018704] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 874.018722] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 874.018754] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227408kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 874.018808] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 48*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5392kB 80 total pagecache pages [ 874.018856] 0 pages in swap cache [ 874.018860] Swap cache stats: add 0, delete 0, find 0/0 [ 874.018863] Free swap = 0kB [ 874.018865] Total swap = 0kB [ 874.018867] 1965979 pages RAM [ 874.018869] 0 pages HighMem/MovableOnly [ 874.018871] 313617 pages reserved [ 874.366472] udevd: page allocation stalls for 100020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 874.366481] CPU: 0 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 874.366496] ffff8801d30977c0 ffffffff81b42e79 1ffff1003a612efa ffff8801d3884740 [ 874.366506] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3097908 [ 874.366516] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 874.366518] Call Trace: [ 874.366534] [] dump_stack+0xc1/0x128 [ 874.366543] [] warn_alloc.cold.31+0x7f/0x9c [ 874.366553] [] ? zone_watermark_ok_safe+0x250/0x250 ** 8 printk messages dropped ** [ 874.366625] [] ? autoremove_wake_function+0x40/0x40 ** 50 printk messages dropped ** [ 874.378249] [] filemap_fault+0xaf1/0x1110 ** 49 printk messages dropped ** [ 874.458299] [] ext4_filemap_fault+0x71/0xa0 [ 874.458306] [] __do_fault+0x223/0x500 [ 874.458313] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 874.458320] [] ? handle_mm_fault+0x1d4f/0x2350 [ 874.458328] [] handle_mm_fault+0x1326/0x2350 [ 874.458335] [] ? vm_insert_page+0x6f0/0x6f0 [ 874.458344] [] ? kvm_clock_read+0x23/0x40 [ 874.458351] [] ? kvm_clock_get_cycles+0x9/0x10 [ 874.458360] [] __do_page_fault+0x403/0xa60 [ 874.458368] [] ? bad_area_access_error+0x3a0/0x3a0 ** 28 printk messages dropped ** [ 877.001745] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 95 printk messages dropped ** [ 879.552850] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 879.552850] to free 124kB on behalf of 'syz-execprog' (2168) because [ 879.552850] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 879.552850] Free memory is -13508kB above reserved [ 880.562822] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 880.562822] to free 124kB on behalf of 'rsyslogd' (1894) because [ 880.562822] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 880.562822] Free memory is -13516kB above reserved [ 881.572866] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 881.572866] to free 124kB on behalf of 'syz-execprog' (2168) because [ 881.572866] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 881.572866] Free memory is -13516kB above reserved [ 881.572878] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 881.572878] to free 124kB on behalf of 'rsyslogd' (1894) because [ 881.572878] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 881.572878] Free memory is -13516kB above reserved [ 882.582860] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 882.582860] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 882.582860] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 882.582860] Free memory is -13516kB above reserved [ 882.582871] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 882.582871] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 882.582871] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 882.582871] Free memory is -13516kB above reserved [ 882.603497] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 882.603497] to free 124kB on behalf of 'syz-executor.5' (2334) because [ 882.603497] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 882.603497] Free memory is -13516kB above reserved [ 883.613374] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 883.613374] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 883.613374] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 883.613374] Free memory is -13516kB above reserved [ 883.977110] syz-execprog: page allocation stalls for 110030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 883.977119] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 883.977134] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 883.977143] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 883.977152] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 883.977153] Call Trace: [ 883.977168] [] dump_stack+0xc1/0x128 [ 883.977178] [] warn_alloc.cold.31+0x7f/0x9c [ 883.977187] [] ? zone_watermark_ok_safe+0x250/0x250 [ 883.977195] [] ? shrink_node+0x740/0x740 [ 883.977204] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 883.977211] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 883.977220] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 883.977227] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 883.977233] [] ? find_get_entry+0x11a/0x570 [ 883.977240] [] ? find_get_entry+0x141/0x570 [ 883.977246] [] ? page_cache_prev_hole+0x80/0x80 [ 883.977254] [] ? autoremove_wake_function+0x40/0x40 [ 883.977261] [] ? pagecache_get_page+0x131/0x710 [ 883.977268] [] filemap_fault+0xaf1/0x1110 [ 883.977276] [] ext4_filemap_fault+0x71/0xa0 [ 883.977283] [] __do_fault+0x223/0x500 [ 883.977289] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 883.977296] [] ? generic_file_readonly_mmap+0x190/0x190 [ 883.977303] [] handle_mm_fault+0x1326/0x2350 [ 883.977311] [] ? ep_poll+0x18f/0xb20 [ 883.977317] [] ? vm_insert_page+0x6f0/0x6f0 [ 883.977324] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 883.977332] [] __do_page_fault+0x403/0xa60 [ 883.977339] [] ? __fget_light+0x169/0x1f0 [ 883.977346] [] ? bad_area_access_error+0x3a0/0x3a0 [ 883.977354] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 883.977361] [] do_page_fault+0x27/0x30 [ 883.977368] [] page_fault+0x25/0x30 [ 883.977371] Mem-Info: [ 883.977387] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 883.977387] active_file:6 inactive_file:25 isolated_file:0 [ 883.977387] unevictable:0 dirty:0 writeback:0 unstable:0 [ 883.977387] slab_reclaimable:4624 slab_unreclaimable:56979 [ 883.977387] mapped:4 shmem:48 pagetables:377 bounce:0 [ 883.977387] free:5997 free_pcp:80 free_cma:0 [ 883.977399] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 883.977416] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 883.977440] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227416kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 883.977489] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 47*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5384kB 80 total pagecache pages [ 883.977532] 0 pages in swap cache [ 883.977536] Swap cache stats: add 0, delete 0, find 0/0 [ 883.977538] Free swap = 0kB [ 883.977540] Total swap = 0kB [ 883.977542] 1965979 pages RAM [ 883.977544] 0 pages HighMem/MovableOnly [ 883.977546] 313617 pages reserved [ 883.982121] syz-executor.1: page allocation stalls for 110030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 883.982128] CPU: 0 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 883.982139] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 883.982148] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 883.982157] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 883.982158] Call Trace: [ 883.982166] [] dump_stack+0xc1/0x128 [ 883.982173] [] warn_alloc.cold.31+0x7f/0x9c [ 883.982180] [] ? zone_watermark_ok_safe+0x250/0x250 [ 883.982187] [] ? shrink_node+0x740/0x740 [ 883.982196] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 883.982205] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 883.982213] [] ? check_preemption_disabled+0x3b/0x200 [ 883.982219] [] ? find_get_entry+0x11a/0x570 [ 883.982226] [] ? find_get_entry+0x141/0x570 [ 883.982232] [] ? page_cache_prev_hole+0x80/0x80 [ 883.982239] [] ? pagecache_get_page+0x131/0x710 [ 883.982246] [] filemap_fault+0xaf1/0x1110 [ 883.982254] [] ext4_filemap_fault+0x71/0xa0 [ 883.982260] [] __do_fault+0x223/0x500 [ 883.982266] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 883.982273] [] ? generic_file_readonly_mmap+0x190/0x190 [ 883.982280] [] handle_mm_fault+0x1326/0x2350 ** 9 printk messages dropped ** [ 883.982367] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 883.982390] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227416kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 883.982439] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 47*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5384kB 80 total pagecache pages [ 883.982481] 0 pages in swap cache [ 883.982485] Swap cache stats: add 0, delete 0, find 0/0 [ 883.982486] Free swap = 0kB [ 883.982488] Total swap = 0kB [ 883.982490] 1965979 pages RAM [ 883.982492] 0 pages HighMem/MovableOnly [ 883.982494] 313617 pages reserved [ 883.983222] syz-execprog: page allocation stalls for 110060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 883.983228] CPU: 0 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 883.983239] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 883.983248] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 883.983257] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 883.983258] Call Trace: [ 883.983266] [] dump_stack+0xc1/0x128 [ 883.983273] [] warn_alloc.cold.31+0x7f/0x9c [ 883.983280] [] ? zone_watermark_ok_safe+0x250/0x250 [ 883.983287] [] ? shrink_node+0x740/0x740 [ 883.983295] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 883.983303] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 883.983310] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 883.983316] [] ? find_get_entry+0x11a/0x570 [ 883.983323] [] ? find_get_entry+0x141/0x570 [ 883.983329] [] ? page_cache_prev_hole+0x80/0x80 [ 883.983336] [] ? autoremove_wake_function+0x40/0x40 [ 883.983343] [] ? pagecache_get_page+0x131/0x710 [ 883.983350] [] filemap_fault+0xaf1/0x1110 [ 883.983357] [] ext4_filemap_fault+0x71/0xa0 [ 883.983363] [] __do_fault+0x223/0x500 [ 883.983369] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 883.983376] [] ? generic_file_readonly_mmap+0x190/0x190 [ 883.983383] [] handle_mm_fault+0x1326/0x2350 [ 883.983391] [] ? poll_select_set_timeout+0xb5/0x120 [ 883.983398] [] ? vm_insert_page+0x6f0/0x6f0 [ 883.983404] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 883.983411] [] __do_page_fault+0x403/0xa60 [ 883.983418] [] ? __fget_light+0x169/0x1f0 [ 883.983425] [] ? bad_area_access_error+0x3a0/0x3a0 [ 883.983432] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 883.983438] [] do_page_fault+0x27/0x30 [ 883.983444] [] page_fault+0x25/0x30 [ 883.983447] Mem-Info: [ 883.983461] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 883.983461] active_file:6 inactive_file:25 isolated_file:0 [ 883.983461] unevictable:0 dirty:0 writeback:0 unstable:0 [ 883.983461] slab_reclaimable:4624 slab_unreclaimable:56979 [ 883.983461] mapped:4 shmem:48 pagetables:377 bounce:0 [ 883.983461] free:5997 free_pcp:80 free_cma:0 [ 883.983473] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 883.983489] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 883.983513] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227416kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 883.983561] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 47*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5384kB 80 total pagecache pages [ 883.983603] 0 pages in swap cache [ 883.983606] Swap cache stats: add 0, delete 0, find 0/0 [ 883.983608] Free swap = 0kB [ 883.983610] Total swap = 0kB [ 883.983612] 1965979 pages RAM [ 883.983614] 0 pages HighMem/MovableOnly [ 883.983616] 313617 pages reserved [ 883.989287] rsyslogd: page allocation stalls for 110070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 883.989293] CPU: 0 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 883.989305] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 883.989315] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 883.989325] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 883.989327] Call Trace: [ 883.989337] [] dump_stack+0xc1/0x128 [ 883.989344] [] warn_alloc.cold.31+0x7f/0x9c [ 883.989352] [] ? zone_watermark_ok_safe+0x250/0x250 [ 883.989360] [] ? shrink_node+0x740/0x740 [ 883.989368] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 883.989377] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 883.989386] [] ? check_preemption_disabled+0x3b/0x200 [ 883.989393] [] ? find_get_entry+0x11a/0x570 [ 883.989400] [] ? find_get_entry+0x141/0x570 [ 883.989407] [] ? page_cache_prev_hole+0x80/0x80 [ 883.989414] [] ? autoremove_wake_function+0x40/0x40 [ 883.989421] [] ? pagecache_get_page+0x131/0x710 [ 883.989429] [] filemap_fault+0xaf1/0x1110 [ 883.989436] [] ext4_filemap_fault+0x71/0xa0 [ 883.989443] [] __do_fault+0x223/0x500 [ 883.989450] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 883.989458] [] ? generic_file_readonly_mmap+0x190/0x190 [ 883.989465] [] handle_mm_fault+0x1326/0x2350 [ 883.989473] [] ? vm_insert_page+0x6f0/0x6f0 [ 883.989480] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 883.989488] [] __do_page_fault+0x403/0xa60 [ 883.989496] [] ? bad_area_access_error+0x3a0/0x3a0 [ 883.989504] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 883.989511] [] do_page_fault+0x27/0x30 [ 883.989518] [] page_fault+0x25/0x30 [ 883.989521] Mem-Info: [ 883.989536] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 883.989536] active_file:6 inactive_file:25 isolated_file:0 [ 883.989536] unevictable:0 dirty:0 writeback:0 unstable:0 [ 883.989536] slab_reclaimable:4624 slab_unreclaimable:56979 [ 883.989536] mapped:4 shmem:48 pagetables:377 bounce:0 [ 883.989536] free:5997 free_pcp:80 free_cma:0 [ 883.989549] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 883.989567] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 883.989592] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227416kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 883.989646] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 47*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5384kB 80 total pagecache pages [ 883.989693] 0 pages in swap cache [ 883.989697] Swap cache stats: add 0, delete 0, find 0/0 [ 883.989699] Free swap = 0kB [ 883.989701] Total swap = 0kB [ 883.989703] 1965979 pages RAM [ 883.989705] 0 pages HighMem/MovableOnly [ 883.989707] 313617 pages reserved [ 883.998336] syz-execprog: page allocation stalls for 110010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 883.998343] CPU: 1 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 883.998355] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 883.998365] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 883.998375] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 883.998377] Call Trace: [ 883.998386] [] dump_stack+0xc1/0x128 [ 883.998394] [] warn_alloc.cold.31+0x7f/0x9c [ 883.998402] [] ? zone_watermark_ok_safe+0x250/0x250 [ 883.998410] [] ? shrink_node+0x740/0x740 [ 883.998419] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 883.998426] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 883.998435] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 883.998442] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 883.998450] [] ? find_get_entry+0x11a/0x570 [ 883.998457] [] ? find_get_entry+0x141/0x570 [ 883.998464] [] ? page_cache_prev_hole+0x80/0x80 [ 883.998471] [] ? autoremove_wake_function+0x40/0x40 [ 883.998479] [] ? pagecache_get_page+0x131/0x710 [ 883.998486] [] filemap_fault+0xaf1/0x1110 [ 883.998494] [] ext4_filemap_fault+0x71/0xa0 [ 883.998501] [] __do_fault+0x223/0x500 [ 883.998508] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 883.998516] [] ? generic_file_readonly_mmap+0x190/0x190 [ 883.998523] [] handle_mm_fault+0x1326/0x2350 [ 883.998530] [] ? vm_insert_page+0x6f0/0x6f0 [ 883.998537] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 883.998544] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 883.998552] [] __do_page_fault+0x403/0xa60 [ 883.998560] [] ? bad_area_access_error+0x3a0/0x3a0 [ 883.998568] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 883.998575] [] do_page_fault+0x27/0x30 [ 883.998582] [] page_fault+0x25/0x30 [ 883.998585] Mem-Info: [ 883.998606] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 883.998606] active_file:6 inactive_file:25 isolated_file:0 [ 883.998606] unevictable:0 dirty:0 writeback:0 unstable:0 [ 883.998606] slab_reclaimable:4624 slab_unreclaimable:56979 [ 883.998606] mapped:4 shmem:48 pagetables:377 bounce:0 [ 883.998606] free:5997 free_pcp:80 free_cma:0 [ 883.998619] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 883.998636] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 883.998662] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227416kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 883.998716] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18604kB Normal: 164*4kB (UMH) 47*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5384kB 80 total pagecache pages [ 883.998763] 0 pages in swap cache [ 883.998767] Swap cache stats: add 0, delete 0, find 0/0 [ 883.998769] Free swap = 0kB [ 883.998772] Total swap = 0kB [ 883.998774] 1965979 pages RAM [ 883.998776] 0 pages HighMem/MovableOnly [ 883.998778] 313617 pages reserved [ 884.358125] udevd: page allocation stalls for 110010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 884.358134] CPU: 1 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 884.358150] ffff8801d30977c0 ffffffff81b42e79 1ffff1003a612efa ffff8801d3884740 [ 884.358160] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3097908 [ 884.358169] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 884.358171] Call Trace: [ 884.358186] [] dump_stack+0xc1/0x128 [ 884.358195] [] warn_alloc.cold.31+0x7f/0x9c [ 884.358205] [] ? zone_watermark_ok_safe+0x250/0x250 [ 884.358213] [] ? shrink_node+0x740/0x740 [ 884.358222] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 884.358230] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 884.358239] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 884.358246] [] ? radix_tree_lookup_slot+0x85/0xc0 ** 18 printk messages dropped ** [ 884.358389] Mem-Info: ** 50 printk messages dropped ** [ 884.387903] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 49 printk messages dropped ** [ 884.438443] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 884.438461] DMA32 free:18604kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:500kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 884.438487] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227416kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB ** 84 printk messages dropped ** [ 887.582896] [] __do_fault+0x223/0x500 ** 34 printk messages dropped ** [ 892.702893] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 892.702893] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 892.702893] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 892.702893] Free memory is -13532kB above reserved [ 893.712818] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 893.712818] to free 124kB on behalf of 'udevd' (470) because [ 893.712818] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 893.712818] Free memory is -13532kB above reserved [ 893.938165] syz-execprog: page allocation stalls for 120010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 893.938174] CPU: 0 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 893.938191] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 893.938214] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 893.938223] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 893.938225] Call Trace: [ 893.938240] [] dump_stack+0xc1/0x128 [ 893.938250] [] warn_alloc.cold.31+0x7f/0x9c [ 893.938260] [] ? zone_watermark_ok_safe+0x250/0x250 [ 893.938268] [] ? shrink_node+0x740/0x740 [ 893.938277] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 893.938286] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 893.938294] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 893.938302] [] ? find_get_entry+0x11a/0x570 [ 893.938309] [] ? find_get_entry+0x141/0x570 [ 893.938316] [] ? page_cache_prev_hole+0x80/0x80 [ 893.938325] [] ? autoremove_wake_function+0x40/0x40 [ 893.938332] [] ? pagecache_get_page+0x131/0x710 [ 893.938340] [] filemap_fault+0xaf1/0x1110 [ 893.938348] [] ext4_filemap_fault+0x71/0xa0 [ 893.938356] [] __do_fault+0x223/0x500 [ 893.938362] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 893.938371] [] ? generic_file_readonly_mmap+0x190/0x190 [ 893.938378] [] handle_mm_fault+0x1326/0x2350 [ 893.938386] [] ? poll_select_set_timeout+0xb5/0x120 [ 893.938393] [] ? vm_insert_page+0x6f0/0x6f0 [ 893.938401] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 893.938410] [] __do_page_fault+0x403/0xa60 [ 893.938418] [] ? __fget_light+0x169/0x1f0 [ 893.938425] [] ? bad_area_access_error+0x3a0/0x3a0 [ 893.938434] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 893.938441] [] do_page_fault+0x27/0x30 [ 893.938449] [] page_fault+0x25/0x30 [ 893.938457] Mem-Info: [ 893.938474] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 893.938474] active_file:6 inactive_file:25 isolated_file:0 [ 893.938474] unevictable:0 dirty:0 writeback:0 unstable:0 [ 893.938474] slab_reclaimable:4624 slab_unreclaimable:56983 [ 893.938474] mapped:4 shmem:48 pagetables:377 bounce:0 [ 893.938474] free:5993 free_pcp:80 free_cma:0 [ 893.938487] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 893.938506] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 893.938532] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227416kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 893.938588] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 47*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5384kB 80 total pagecache pages [ 893.938636] 0 pages in swap cache [ 893.938640] Swap cache stats: add 0, delete 0, find 0/0 [ 893.938642] Free swap = 0kB [ 893.938645] Total swap = 0kB [ 893.938647] 1965979 pages RAM [ 893.938649] 0 pages HighMem/MovableOnly [ 893.938651] 313617 pages reserved [ 893.953084] syz-executor.1: page allocation stalls for 120010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 893.953092] CPU: 0 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 893.953104] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 893.953114] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 893.953123] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 893.953125] Call Trace: [ 893.953135] [] dump_stack+0xc1/0x128 [ 893.953143] [] warn_alloc.cold.31+0x7f/0x9c [ 893.953151] [] ? zone_watermark_ok_safe+0x250/0x250 [ 893.953158] [] ? shrink_node+0x740/0x740 [ 893.953167] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 893.953176] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 893.953185] [] ? check_preemption_disabled+0x3b/0x200 [ 893.953193] [] ? find_get_entry+0x11a/0x570 [ 893.953200] [] ? find_get_entry+0x141/0x570 [ 893.953207] [] ? page_cache_prev_hole+0x80/0x80 [ 893.953214] [] ? pagecache_get_page+0x131/0x710 [ 893.953222] [] filemap_fault+0xaf1/0x1110 [ 893.953229] [] ext4_filemap_fault+0x71/0xa0 [ 893.953236] [] __do_fault+0x223/0x500 [ 893.953242] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 893.953250] [] ? generic_file_readonly_mmap+0x190/0x190 [ 893.953257] [] handle_mm_fault+0x1326/0x2350 [ 893.953265] [] ? vm_insert_page+0x6f0/0x6f0 [ 893.953273] [] __do_page_fault+0x403/0xa60 [ 893.953281] [] ? bad_area_access_error+0x3a0/0x3a0 [ 893.953289] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 20 printk messages dropped ** [ 893.961479] CPU: 0 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 893.961491] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 893.961501] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 893.961511] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 893.961513] Call Trace: [ 893.961521] [] dump_stack+0xc1/0x128 [ 893.961529] [] warn_alloc.cold.31+0x7f/0x9c [ 893.961537] [] ? zone_watermark_ok_safe+0x250/0x250 [ 893.961545] [] ? shrink_node+0x740/0x740 [ 893.961554] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 893.961563] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 893.961571] [] ? check_preemption_disabled+0x3b/0x200 [ 893.961578] [] ? find_get_entry+0x11a/0x570 [ 893.961585] [] ? find_get_entry+0x141/0x570 [ 893.961592] [] ? page_cache_prev_hole+0x80/0x80 [ 893.961600] [] ? autoremove_wake_function+0x40/0x40 [ 893.961608] [] ? pagecache_get_page+0x131/0x710 [ 893.961615] [] filemap_fault+0xaf1/0x1110 [ 893.961623] [] ext4_filemap_fault+0x71/0xa0 [ 893.961629] [] __do_fault+0x223/0x500 [ 893.961636] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 893.961644] [] ? generic_file_readonly_mmap+0x190/0x190 [ 893.961650] [] handle_mm_fault+0x1326/0x2350 [ 893.961658] [] ? vm_insert_page+0x6f0/0x6f0 [ 893.961665] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 893.961673] [] __do_page_fault+0x403/0xa60 [ 893.961681] [] ? bad_area_access_error+0x3a0/0x3a0 [ 893.961689] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 893.961696] [] do_page_fault+0x27/0x30 [ 893.961703] [] page_fault+0x25/0x30 [ 893.961706] Mem-Info: [ 893.961722] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 893.961722] active_file:6 inactive_file:25 isolated_file:0 [ 893.961722] unevictable:0 dirty:0 writeback:0 unstable:0 [ 893.961722] slab_reclaimable:4624 slab_unreclaimable:56983 [ 893.961722] mapped:4 shmem:48 pagetables:377 bounce:0 [ 893.961722] free:5993 free_pcp:80 free_cma:0 [ 893.961734] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 893.961752] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 893.961778] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227416kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 893.961832] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 47*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5384kB 80 total pagecache pages [ 893.961879] 0 pages in swap cache [ 893.961883] Swap cache stats: add 0, delete 0, find 0/0 [ 893.961885] Free swap = 0kB [ 893.961887] Total swap = 0kB [ 893.961889] 1965979 pages RAM [ 893.961892] 0 pages HighMem/MovableOnly [ 893.961894] 313617 pages reserved [ 893.998145] syz-execprog: page allocation stalls for 120010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 893.998154] CPU: 1 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 893.998167] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 893.998177] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 893.998187] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 893.998199] Call Trace: [ 893.998211] [] dump_stack+0xc1/0x128 [ 893.998220] [] warn_alloc.cold.31+0x7f/0x9c [ 893.998228] [] ? zone_watermark_ok_safe+0x250/0x250 [ 893.998236] [] ? shrink_node+0x740/0x740 [ 893.998245] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 893.998252] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 893.998261] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 893.998269] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 893.998276] [] ? find_get_entry+0x11a/0x570 [ 893.998283] [] ? find_get_entry+0x141/0x570 [ 893.998290] [] ? page_cache_prev_hole+0x80/0x80 [ 893.998298] [] ? autoremove_wake_function+0x40/0x40 [ 893.998306] [] ? pagecache_get_page+0x131/0x710 [ 893.998313] [] filemap_fault+0xaf1/0x1110 [ 893.998321] [] ext4_filemap_fault+0x71/0xa0 [ 893.998328] [] __do_fault+0x223/0x500 [ 893.998334] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 893.998343] [] ? generic_file_readonly_mmap+0x190/0x190 [ 893.998349] [] handle_mm_fault+0x1326/0x2350 [ 893.998357] [] ? vm_insert_page+0x6f0/0x6f0 [ 893.998364] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 893.998371] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 893.998379] [] __do_page_fault+0x403/0xa60 [ 893.998387] [] ? bad_area_access_error+0x3a0/0x3a0 [ 893.998396] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 893.998403] [] do_page_fault+0x27/0x30 [ 893.998410] [] page_fault+0x25/0x30 [ 893.998413] Mem-Info: [ 893.998429] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 893.998429] active_file:6 inactive_file:25 isolated_file:0 [ 893.998429] unevictable:0 dirty:0 writeback:0 unstable:0 [ 893.998429] slab_reclaimable:4624 slab_unreclaimable:56983 [ 893.998429] mapped:4 shmem:48 pagetables:377 bounce:0 [ 893.998429] free:5993 free_pcp:80 free_cma:0 [ 893.998442] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 893.998458] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 893.998485] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227416kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 893.998539] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 47*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5384kB 80 total pagecache pages [ 893.998587] 0 pages in swap cache [ 893.998591] Swap cache stats: add 0, delete 0, find 0/0 [ 893.998593] Free swap = 0kB [ 893.998595] Total swap = 0kB [ 893.998598] 1965979 pages RAM [ 893.998600] 0 pages HighMem/MovableOnly [ 893.998602] 313617 pages reserved [ 894.015713] syz-execprog: page allocation stalls for 120070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 894.015720] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 894.015734] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 894.015744] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 894.015754] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 894.015755] Call Trace: [ 894.015766] [] dump_stack+0xc1/0x128 [ 894.015773] [] warn_alloc.cold.31+0x7f/0x9c [ 894.015782] [] ? zone_watermark_ok_safe+0x250/0x250 [ 894.015789] [] ? shrink_node+0x740/0x740 [ 894.015798] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 894.015806] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 894.015814] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 894.015822] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 894.015829] [] ? find_get_entry+0x11a/0x570 [ 894.015836] [] ? find_get_entry+0x141/0x570 [ 894.015843] [] ? page_cache_prev_hole+0x80/0x80 [ 894.015851] [] ? autoremove_wake_function+0x40/0x40 [ 894.015858] [] ? pagecache_get_page+0x131/0x710 [ 894.015865] [] filemap_fault+0xaf1/0x1110 [ 894.015873] [] ext4_filemap_fault+0x71/0xa0 [ 894.015880] [] __do_fault+0x223/0x500 [ 894.015887] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 894.015895] [] ? generic_file_readonly_mmap+0x190/0x190 [ 894.015902] [] handle_mm_fault+0x1326/0x2350 [ 894.015909] [] ? ep_poll+0x18f/0xb20 [ 894.015916] [] ? vm_insert_page+0x6f0/0x6f0 [ 894.015924] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 894.015932] [] __do_page_fault+0x403/0xa60 [ 894.015940] [] ? __fget_light+0x169/0x1f0 [ 894.015947] [] ? bad_area_access_error+0x3a0/0x3a0 [ 894.015955] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 894.015962] [] do_page_fault+0x27/0x30 [ 894.015969] [] page_fault+0x25/0x30 [ 894.015972] Mem-Info: [ 894.015987] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 894.015987] active_file:6 inactive_file:25 isolated_file:0 [ 894.015987] unevictable:0 dirty:0 writeback:0 unstable:0 [ 894.015987] slab_reclaimable:4624 slab_unreclaimable:56983 [ 894.015987] mapped:4 shmem:48 pagetables:377 bounce:0 [ 894.015987] free:5993 free_pcp:80 free_cma:0 [ 894.016000] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 894.016017] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 894.016043] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227416kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 894.016097] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 47*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5384kB 80 total pagecache pages [ 894.016145] 0 pages in swap cache [ 894.016149] Swap cache stats: add 0, delete 0, find 0/0 [ 894.016151] Free swap = 0kB [ 894.016153] Total swap = 0kB [ 894.016155] 1965979 pages RAM [ 894.016157] 0 pages HighMem/MovableOnly [ 894.016159] 313617 pages reserved [ 894.354370] udevd: page allocation stalls for 120010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 894.354378] CPU: 1 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 894.354393] ffff8801d30977c0 ffffffff81b42e79 1ffff1003a612efa ffff8801d3884740 [ 894.354403] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3097908 [ 894.354414] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 894.354415] Call Trace: [ 894.354429] [] dump_stack+0xc1/0x128 [ 894.354440] [] warn_alloc.cold.31+0x7f/0x9c [ 894.354449] [] ? zone_watermark_ok_safe+0x250/0x250 [ 894.354457] [] ? shrink_node+0x740/0x740 [ 894.354466] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 894.354474] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 894.354483] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 894.354490] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 894.354498] [] ? find_get_entry+0x11a/0x570 [ 894.354505] [] ? find_get_entry+0x141/0x570 [ 894.354512] [] ? page_cache_prev_hole+0x80/0x80 [ 894.354520] [] ? autoremove_wake_function+0x40/0x40 [ 894.354527] [] ? pagecache_get_page+0x131/0x710 [ 894.354534] [] filemap_fault+0xaf1/0x1110 [ 894.354543] [] ext4_filemap_fault+0x71/0xa0 [ 894.354550] [] __do_fault+0x223/0x500 [ 894.354557] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 894.354564] [] ? handle_mm_fault+0x1d4f/0x2350 [ 894.354571] [] handle_mm_fault+0x1326/0x2350 [ 894.354579] [] ? vm_insert_page+0x6f0/0x6f0 [ 894.354586] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 894.354595] [] __do_page_fault+0x403/0xa60 [ 894.354603] [] ? bad_area_access_error+0x3a0/0x3a0 [ 894.354612] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 894.354619] [] do_page_fault+0x27/0x30 ** 3 printk messages dropped ** [ 894.354660] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 99 printk messages dropped ** [ 894.460713] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 894.460739] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227416kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:200kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 894.460794] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 47*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5384kB ** 87 printk messages dropped ** [ 897.602193] [] __do_page_fault+0x403/0xa60 [ 897.602200] [] ? bad_area_access_error+0x3a0/0x3a0 ** 28 printk messages dropped ** [ 902.802820] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 902.802820] to free 124kB on behalf of 'udevd' (578) because [ 902.802820] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 902.802820] Free memory is -13532kB above reserved [ 902.802833] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 902.802833] to free 124kB on behalf of 'syz-execprog' (2171) because [ 902.802833] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 902.802833] Free memory is -13532kB above reserved [ 903.812819] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 903.812819] to free 124kB on behalf of 'syz-executor.5' (2334) because [ 903.812819] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 903.812819] Free memory is -13532kB above reserved [ 903.812830] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 903.812830] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 903.812830] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 903.812830] Free memory is -13532kB above reserved [ 903.950609] syz-execprog: page allocation stalls for 130020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 903.950617] CPU: 1 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 903.950632] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 903.950642] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 903.950652] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 903.950654] Call Trace: [ 903.950670] [] dump_stack+0xc1/0x128 [ 903.950680] [] warn_alloc.cold.31+0x7f/0x9c [ 903.950690] [] ? zone_watermark_ok_safe+0x250/0x250 [ 903.950698] [] ? shrink_node+0x740/0x740 [ 903.950707] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 903.950716] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 903.950725] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 903.950732] [] ? find_get_entry+0x11a/0x570 [ 903.950740] [] ? find_get_entry+0x141/0x570 [ 903.950747] [] ? page_cache_prev_hole+0x80/0x80 [ 903.950756] [] ? autoremove_wake_function+0x40/0x40 [ 903.950763] [] ? pagecache_get_page+0x131/0x710 [ 903.950770] [] filemap_fault+0xaf1/0x1110 [ 903.950779] [] ext4_filemap_fault+0x71/0xa0 [ 903.950786] [] __do_fault+0x223/0x500 [ 903.950793] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 903.950801] [] ? generic_file_readonly_mmap+0x190/0x190 [ 903.950807] [] handle_mm_fault+0x1326/0x2350 [ 903.950816] [] ? poll_select_set_timeout+0xb5/0x120 [ 903.950823] [] ? vm_insert_page+0x6f0/0x6f0 [ 903.950831] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 903.950840] [] __do_page_fault+0x403/0xa60 [ 903.950847] [] ? __fget_light+0x169/0x1f0 [ 903.950855] [] ? bad_area_access_error+0x3a0/0x3a0 [ 903.950864] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 903.950871] [] do_page_fault+0x27/0x30 [ 903.950879] [] page_fault+0x25/0x30 [ 903.950882] Mem-Info: [ 903.950899] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 903.950899] active_file:6 inactive_file:25 isolated_file:0 [ 903.950899] unevictable:0 dirty:0 writeback:0 unstable:0 [ 903.950899] slab_reclaimable:4624 slab_unreclaimable:56984 [ 903.950899] mapped:4 shmem:48 pagetables:377 bounce:0 [ 903.950899] free:5993 free_pcp:79 free_cma:0 [ 903.950912] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 903.950930] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 903.950957] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227420kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:196kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 903.951012] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 47*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5384kB 80 total pagecache pages [ 903.951061] 0 pages in swap cache [ 903.951065] Swap cache stats: add 0, delete 0, find 0/0 [ 903.951067] Free swap = 0kB [ 903.951069] Total swap = 0kB [ 903.951071] 1965979 pages RAM [ 903.951073] 0 pages HighMem/MovableOnly [ 903.951075] 313617 pages reserved [ 903.951872] rsyslogd: page allocation stalls for 130030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 903.951878] CPU: 1 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 903.951890] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 903.951900] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 903.951910] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 903.951912] Call Trace: [ 903.951920] [] dump_stack+0xc1/0x128 [ 903.951928] [] warn_alloc.cold.31+0x7f/0x9c [ 903.951936] [] ? zone_watermark_ok_safe+0x250/0x250 [ 903.951944] [] ? shrink_node+0x740/0x740 [ 903.951953] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 903.951962] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 903.951971] [] ? check_preemption_disabled+0x3b/0x200 [ 903.951978] [] ? find_get_entry+0x11a/0x570 [ 903.951985] [] ? find_get_entry+0x141/0x570 [ 903.951992] [] ? page_cache_prev_hole+0x80/0x80 [ 903.952000] [] ? autoremove_wake_function+0x40/0x40 [ 903.952007] [] ? pagecache_get_page+0x131/0x710 [ 903.952015] [] filemap_fault+0xaf1/0x1110 [ 903.952022] [] ext4_filemap_fault+0x71/0xa0 [ 903.952029] [] __do_fault+0x223/0x500 ** 23 printk messages dropped ** [ 903.952286] Total swap = 0kB [ 903.952288] 1965979 pages RAM [ 903.952290] 0 pages HighMem/MovableOnly [ 903.952292] 313617 pages reserved [ 903.969745] syz-executor.1: page allocation stalls for 130020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 903.969753] CPU: 1 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 903.969765] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 903.969776] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 903.969786] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 903.969787] Call Trace: [ 903.969797] [] dump_stack+0xc1/0x128 [ 903.969805] [] warn_alloc.cold.31+0x7f/0x9c [ 903.969813] [] ? zone_watermark_ok_safe+0x250/0x250 [ 903.969821] [] ? shrink_node+0x740/0x740 [ 903.969830] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 903.969840] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 903.969848] [] ? check_preemption_disabled+0x3b/0x200 [ 903.969856] [] ? find_get_entry+0x11a/0x570 [ 903.969863] [] ? find_get_entry+0x141/0x570 [ 903.969870] [] ? page_cache_prev_hole+0x80/0x80 [ 903.969878] [] ? pagecache_get_page+0x131/0x710 [ 903.969885] [] filemap_fault+0xaf1/0x1110 [ 903.969893] [] ext4_filemap_fault+0x71/0xa0 [ 903.969900] [] __do_fault+0x223/0x500 [ 903.969907] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 903.969915] [] ? generic_file_readonly_mmap+0x190/0x190 [ 903.969922] [] handle_mm_fault+0x1326/0x2350 [ 903.969929] [] ? vm_insert_page+0x6f0/0x6f0 [ 903.969938] [] __do_page_fault+0x403/0xa60 [ 903.969946] [] ? bad_area_access_error+0x3a0/0x3a0 [ 903.969954] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 903.969961] [] do_page_fault+0x27/0x30 [ 903.969968] [] page_fault+0x25/0x30 [ 903.969971] Mem-Info: [ 903.969987] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 903.969987] active_file:6 inactive_file:25 isolated_file:0 [ 903.969987] unevictable:0 dirty:0 writeback:0 unstable:0 [ 903.969987] slab_reclaimable:4624 slab_unreclaimable:56984 [ 903.969987] mapped:4 shmem:48 pagetables:377 bounce:0 [ 903.969987] free:5993 free_pcp:79 free_cma:0 [ 903.969999] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 903.970017] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 903.970043] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227420kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:196kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 903.970097] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 47*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5384kB 80 total pagecache pages [ 903.970145] 0 pages in swap cache [ 903.970149] Swap cache stats: add 0, delete 0, find 0/0 [ 903.970151] Free swap = 0kB [ 903.970153] Total swap = 0kB [ 903.970156] 1965979 pages RAM [ 903.970158] 0 pages HighMem/MovableOnly [ 903.970160] 313617 pages reserved [ 903.987998] syz-execprog: page allocation stalls for 130040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 903.988005] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 903.988019] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 903.988029] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 903.988039] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 903.988041] Call Trace: [ 903.988052] [] dump_stack+0xc1/0x128 [ 903.988060] [] warn_alloc.cold.31+0x7f/0x9c [ 903.988068] [] ? zone_watermark_ok_safe+0x250/0x250 [ 903.988075] [] ? shrink_node+0x740/0x740 [ 903.988084] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 903.988092] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 903.988100] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 903.988108] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 903.988115] [] ? find_get_entry+0x11a/0x570 [ 903.988122] [] ? find_get_entry+0x141/0x570 [ 903.988129] [] ? page_cache_prev_hole+0x80/0x80 [ 903.988138] [] ? autoremove_wake_function+0x40/0x40 [ 903.988145] [] ? pagecache_get_page+0x131/0x710 [ 903.988152] [] filemap_fault+0xaf1/0x1110 [ 903.988160] [] ext4_filemap_fault+0x71/0xa0 [ 903.988167] [] __do_fault+0x223/0x500 [ 903.988174] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 903.988182] [] ? generic_file_readonly_mmap+0x190/0x190 [ 903.988189] [] handle_mm_fault+0x1326/0x2350 [ 903.988197] [] ? ep_poll+0x18f/0xb20 [ 903.988204] [] ? vm_insert_page+0x6f0/0x6f0 [ 903.988211] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 903.988219] [] __do_page_fault+0x403/0xa60 [ 903.988227] [] ? __fget_light+0x169/0x1f0 [ 903.988234] [] ? bad_area_access_error+0x3a0/0x3a0 [ 903.988243] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 903.988251] [] do_page_fault+0x27/0x30 [ 903.988258] [] page_fault+0x25/0x30 [ 903.988261] Mem-Info: [ 903.988277] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 903.988277] active_file:6 inactive_file:25 isolated_file:0 [ 903.988277] unevictable:0 dirty:0 writeback:0 unstable:0 [ 903.988277] slab_reclaimable:4624 slab_unreclaimable:56984 [ 903.988277] mapped:4 shmem:48 pagetables:377 bounce:0 [ 903.988277] free:5993 free_pcp:79 free_cma:0 [ 903.988290] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 903.988308] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 903.988334] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227420kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:196kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 903.988389] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 47*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5384kB 80 total pagecache pages [ 903.988436] 0 pages in swap cache [ 903.988440] Swap cache stats: add 0, delete 0, find 0/0 [ 903.988443] Free swap = 0kB [ 903.988445] Total swap = 0kB [ 903.988447] 1965979 pages RAM [ 903.988449] 0 pages HighMem/MovableOnly [ 903.988451] 313617 pages reserved [ 904.016766] syz-execprog: page allocation stalls for 130030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 904.016773] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 904.016785] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 904.016794] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 904.016807] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 904.016809] Call Trace: [ 904.016820] [] dump_stack+0xc1/0x128 [ 904.016828] [] warn_alloc.cold.31+0x7f/0x9c [ 904.016836] [] ? zone_watermark_ok_safe+0x250/0x250 [ 904.016843] [] ? shrink_node+0x740/0x740 [ 904.016851] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 904.016858] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 904.016866] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 904.016873] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 904.016880] [] ? find_get_entry+0x11a/0x570 [ 904.016886] [] ? find_get_entry+0x141/0x570 [ 904.016893] [] ? page_cache_prev_hole+0x80/0x80 [ 904.016900] [] ? autoremove_wake_function+0x40/0x40 [ 904.016907] [] ? pagecache_get_page+0x131/0x710 [ 904.016914] [] filemap_fault+0xaf1/0x1110 [ 904.016922] [] ext4_filemap_fault+0x71/0xa0 [ 904.016928] [] __do_fault+0x223/0x500 [ 904.016934] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 904.016941] [] ? generic_file_readonly_mmap+0x190/0x190 [ 904.016948] [] handle_mm_fault+0x1326/0x2350 [ 904.016954] [] ? vm_insert_page+0x6f0/0x6f0 [ 904.016960] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 904.016967] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 904.016975] [] __do_page_fault+0x403/0xa60 [ 904.016981] [] ? bad_area_access_error+0x3a0/0x3a0 [ 904.016990] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 904.016996] [] do_page_fault+0x27/0x30 [ 904.017003] [] page_fault+0x25/0x30 [ 904.017005] Mem-Info: [ 904.017020] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 904.017020] active_file:6 inactive_file:25 isolated_file:0 [ 904.017020] unevictable:0 dirty:0 writeback:0 unstable:0 [ 904.017020] slab_reclaimable:4624 slab_unreclaimable:56984 [ 904.017020] mapped:4 shmem:48 pagetables:377 bounce:0 [ 904.017020] free:5993 free_pcp:79 free_cma:0 [ 904.017032] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 904.017048] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 904.017071] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227420kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:196kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 904.017120] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 47*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5384kB 80 total pagecache pages [ 904.017162] 0 pages in swap cache [ 904.017166] Swap cache stats: add 0, delete 0, find 0/0 [ 904.017167] Free swap = 0kB [ 904.017169] Total swap = 0kB [ 904.017171] 1965979 pages RAM [ 904.017173] 0 pages HighMem/MovableOnly [ 904.017174] 313617 pages reserved [ 904.357542] udevd: page allocation stalls for 130010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 904.357549] CPU: 0 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 904.357564] ffff8801d30977c0 ffffffff81b42e79 1ffff1003a612efa ffff8801d3884740 [ 904.357574] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3097908 [ 904.357582] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 904.357584] Call Trace: [ 904.357599] [] dump_stack+0xc1/0x128 [ 904.357609] [] warn_alloc.cold.31+0x7f/0x9c [ 904.357618] [] ? zone_watermark_ok_safe+0x250/0x250 [ 904.357626] [] ? shrink_node+0x740/0x740 [ 904.357635] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 904.357642] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 904.357651] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 67 printk messages dropped ** [ 904.371869] [] page_fault+0x25/0x30 ** 50 printk messages dropped ** [ 904.437892] Mem-Info: [ 904.437908] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 904.437908] active_file:6 inactive_file:25 isolated_file:0 [ 904.437908] unevictable:0 dirty:0 writeback:0 unstable:0 [ 904.437908] slab_reclaimable:4624 slab_unreclaimable:56984 [ 904.437908] mapped:4 shmem:48 pagetables:377 bounce:0 [ 904.437908] free:5993 free_pcp:79 free_cma:0 [ 904.437921] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 904.437938] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 904.437964] Normal free:5384kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227420kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:196kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 ** 87 printk messages dropped ** [ 907.625799] [] ? kvm_clock_get_cycles+0x9/0x10 [ 907.625808] [] __do_page_fault+0x403/0xa60 ** 29 printk messages dropped ** [ 912.902849] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 912.902849] to free 124kB on behalf of 'syz-execprog' (2168) because [ 912.902849] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 912.902849] Free memory is -13540kB above reserved [ 913.912880] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 913.912880] to free 124kB on behalf of 'syz-execprog' (2154) because [ 913.912880] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 913.912880] Free memory is -13540kB above reserved [ 913.912892] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 913.912892] to free 124kB on behalf of 'syz-executor.1' (2175) because [ 913.912892] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 913.912892] Free memory is -13540kB above reserved [ 913.942275] syz-execprog: page allocation stalls for 140010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 913.942283] CPU: 1 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 913.942298] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 913.942308] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 913.942318] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 913.942320] Call Trace: [ 913.942335] [] dump_stack+0xc1/0x128 [ 913.942345] [] warn_alloc.cold.31+0x7f/0x9c [ 913.942355] [] ? zone_watermark_ok_safe+0x250/0x250 [ 913.942363] [] ? shrink_node+0x740/0x740 [ 913.942372] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 913.942381] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 913.942390] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 913.942397] [] ? find_get_entry+0x11a/0x570 [ 913.942404] [] ? find_get_entry+0x141/0x570 [ 913.942411] [] ? page_cache_prev_hole+0x80/0x80 [ 913.942420] [] ? autoremove_wake_function+0x40/0x40 [ 913.942427] [] ? pagecache_get_page+0x131/0x710 [ 913.942435] [] filemap_fault+0xaf1/0x1110 [ 913.942443] [] ext4_filemap_fault+0x71/0xa0 [ 913.942450] [] __do_fault+0x223/0x500 [ 913.942457] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 913.942465] [] ? generic_file_readonly_mmap+0x190/0x190 [ 913.942472] [] handle_mm_fault+0x1326/0x2350 [ 913.942481] [] ? poll_select_set_timeout+0xb5/0x120 [ 913.942488] [] ? vm_insert_page+0x6f0/0x6f0 [ 913.942496] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 913.942504] [] __do_page_fault+0x403/0xa60 [ 913.942511] [] ? __fget_light+0x169/0x1f0 [ 913.942519] [] ? bad_area_access_error+0x3a0/0x3a0 [ 913.942528] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 913.942535] [] do_page_fault+0x27/0x30 [ 913.942543] [] page_fault+0x25/0x30 [ 913.942547] Mem-Info: [ 913.942563] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 913.942563] active_file:6 inactive_file:25 isolated_file:0 [ 913.942563] unevictable:0 dirty:0 writeback:0 unstable:0 [ 913.942563] slab_reclaimable:4624 slab_unreclaimable:56986 [ 913.942563] mapped:4 shmem:48 pagetables:377 bounce:0 [ 913.942563] free:5991 free_pcp:79 free_cma:0 [ 913.942576] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 913.942594] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 913.942620] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227428kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:196kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 913.942681] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 913.942730] 0 pages in swap cache [ 913.942737] Swap cache stats: add 0, delete 0, find 0/0 [ 913.958139] syz-executor.1: [ 913.958143] syz-execprog: [ 913.958145] page allocation stalls for 140010ms, order:0page allocation stalls for 140010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) , mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 913.958158] CPU: 0 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 913.958176] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 913.958186] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 913.958194] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 913.958196] Call Trace: [ 913.958205] [] dump_stack+0xc1/0x128 [ 913.958213] [] warn_alloc.cold.31+0x7f/0x9c [ 913.958220] [] ? zone_watermark_ok_safe+0x250/0x250 [ 913.958227] [] ? shrink_node+0x740/0x740 [ 913.958235] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 913.958243] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 913.958252] [] ? check_preemption_disabled+0x3b/0x200 [ 913.958258] [] ? find_get_entry+0x11a/0x570 [ 913.958264] [] ? find_get_entry+0x141/0x570 [ 913.958271] [] ? page_cache_prev_hole+0x80/0x80 [ 913.958277] [] ? pagecache_get_page+0x131/0x710 [ 913.958284] [] filemap_fault+0xaf1/0x1110 [ 913.958291] [] ext4_filemap_fault+0x71/0xa0 [ 913.958297] [] __do_fault+0x223/0x500 [ 913.958303] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 46 printk messages dropped ** [ 913.958485] (M) [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 913.958492] 15*32kB [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 913.958499] (ME) [] ? radix_tree_lookup_slot+0x85/0xc0 [ 913.958505] 12*64kB [] ? find_get_entry+0x11a/0x570 [ 913.958511] (ME) [] ? find_get_entry+0x141/0x570 [ 913.958518] 5*128kB [] ? page_cache_prev_hole+0x80/0x80 [ 913.958524] (UME) [] ? autoremove_wake_function+0x40/0x40 [ 913.958531] 5*256kB [] ? pagecache_get_page+0x131/0x710 [ 913.958537] (ME) [] filemap_fault+0xaf1/0x1110 [ 913.958544] 1*512kB [] ext4_filemap_fault+0x71/0xa0 [ 913.958549] (M) [] __do_fault+0x223/0x500 [ 913.958555] 2*1024kB [] ? do_page_mkwrite+0x3e0/0x3e0 [ 913.958561] (UM) [] ? generic_file_readonly_mmap+0x190/0x190 [ 913.958568] 0*2048kB [] handle_mm_fault+0x1326/0x2350 [ 913.958576] 3*4096kB [] ? ep_poll+0x18f/0xb20 [ 913.958581] (U) [] ? vm_insert_page+0x6f0/0x6f0 [ 913.958583] = 18588kB [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 913.958594] Normal: [] __do_page_fault+0x403/0xa60 [ 913.958602] 164*4kB [] ? __fget_light+0x169/0x1f0 [ 913.958608] (UMH) [] ? bad_area_access_error+0x3a0/0x3a0 [ 913.958615] 46*8kB [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 913.958621] (MH) [] do_page_fault+0x27/0x30 [ 913.958627] 36*16kB [] page_fault+0x25/0x30 [ 913.958631] (MH) 24*32kB Mem-Info: [ 913.958643] (UMH) active_anon:5080 inactive_anon:41 isolated_anon:0 [ 913.958643] active_file:6 inactive_file:25 isolated_file:0 [ 913.958643] unevictable:0 dirty:0 writeback:0 unstable:0 [ 913.958643] slab_reclaimable:4624 slab_unreclaimable:56986 [ 913.958643] mapped:4 shmem:48 pagetables:377 bounce:0 [ 913.958643] free:5991 free_pcp:79 free_cma:0 [ 913.958653] 21*64kB Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 913.958671] (UMH) DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB 3*128kB lowmem_reserve[]: [ 913.958676] (H) 01*256kB 3505(H) 35050*512kB 1*1024kB Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227428kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:196kB local_pcp:108kB free_cma:0kB (H) lowmem_reserve[]: [ 913.958703] 0*2048kB 00*4096kB 0= 5376kB 080 total pagecache pages [ 913.958714] DMA32: 0 pages in swap cache [ 913.958718] 23*4kB Swap cache stats: add 0, delete 0, find 0/0 [ 913.958721] (UM) Free swap = 0kB [ 913.958724] 28*8kB Total swap = 0kB [ 913.958726] (M) 1965979 pages RAM [ 913.958730] 16*16kB 0 pages HighMem/MovableOnly [ 913.958732] (M) 313617 pages reserved [ 913.958762] 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 913.958809] 0 pages in swap cache [ 913.958812] Swap cache stats: add 0, delete 0, find 0/0 [ 913.958815] Free swap = 0kB [ 913.958817] Total swap = 0kB [ 913.958819] 1965979 pages RAM [ 913.958821] 0 pages HighMem/MovableOnly [ 913.958823] 313617 pages reserved [ 913.980857] Free swap = 0kB [ 913.980859] Total swap = 0kB [ 913.980862] 1965979 pages RAM [ 913.980864] 0 pages HighMem/MovableOnly [ 913.980866] 313617 pages reserved [ 913.983818] rsyslogd: page allocation stalls for 140070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 913.983825] CPU: 0 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 913.983838] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 913.983848] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 913.983858] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 913.983860] Call Trace: [ 913.983871] [] dump_stack+0xc1/0x128 [ 913.983879] [] warn_alloc.cold.31+0x7f/0x9c [ 913.983887] [] ? zone_watermark_ok_safe+0x250/0x250 [ 913.983895] [] ? shrink_node+0x740/0x740 [ 913.983904] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 913.983913] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 913.983921] [] ? check_preemption_disabled+0x3b/0x200 [ 913.983928] [] ? find_get_entry+0x11a/0x570 [ 913.983935] [] ? find_get_entry+0x141/0x570 [ 913.983942] [] ? page_cache_prev_hole+0x80/0x80 [ 913.983951] [] ? autoremove_wake_function+0x40/0x40 [ 913.983958] [] ? pagecache_get_page+0x131/0x710 [ 913.983965] [] filemap_fault+0xaf1/0x1110 [ 913.983974] [] ext4_filemap_fault+0x71/0xa0 [ 913.983980] [] __do_fault+0x223/0x500 [ 913.983987] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 913.983995] [] ? generic_file_readonly_mmap+0x190/0x190 [ 913.984002] [] handle_mm_fault+0x1326/0x2350 [ 913.984009] [] ? vm_insert_page+0x6f0/0x6f0 [ 913.984017] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 913.984025] [] __do_page_fault+0x403/0xa60 [ 913.984033] [] ? bad_area_access_error+0x3a0/0x3a0 [ 913.984041] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 913.984048] [] do_page_fault+0x27/0x30 [ 913.984055] [] page_fault+0x25/0x30 [ 913.984058] Mem-Info: [ 913.984074] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 913.984074] active_file:6 inactive_file:25 isolated_file:0 [ 913.984074] unevictable:0 dirty:0 writeback:0 unstable:0 [ 913.984074] slab_reclaimable:4624 slab_unreclaimable:56986 [ 913.984074] mapped:4 shmem:48 pagetables:377 bounce:0 [ 913.984074] free:5991 free_pcp:79 free_cma:0 [ 913.984086] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 913.984104] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 913.984130] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227428kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:196kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 913.984190] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 913.984237] 0 pages in swap cache [ 913.984241] Swap cache stats: add 0, delete 0, find 0/0 [ 913.984243] Free swap = 0kB [ 913.984245] Total swap = 0kB [ 913.984248] 1965979 pages RAM [ 913.984250] 0 pages HighMem/MovableOnly [ 913.984252] 313617 pages reserved [ 914.028110] syz-execprog: page allocation stalls for 140040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 914.028118] CPU: 1 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 914.028131] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 914.028141] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 914.028151] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 914.028153] Call Trace: [ 914.028166] [] dump_stack+0xc1/0x128 [ 914.028175] [] warn_alloc.cold.31+0x7f/0x9c [ 914.028184] [] ? zone_watermark_ok_safe+0x250/0x250 [ 914.028192] [] ? shrink_node+0x740/0x740 [ 914.028201] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 914.028209] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 914.028218] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 914.028226] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 914.028233] [] ? find_get_entry+0x11a/0x570 [ 914.028240] [] ? find_get_entry+0x141/0x570 [ 914.028247] [] ? page_cache_prev_hole+0x80/0x80 [ 914.028256] [] ? autoremove_wake_function+0x40/0x40 [ 914.028263] [] ? pagecache_get_page+0x131/0x710 [ 914.028271] [] filemap_fault+0xaf1/0x1110 [ 914.028279] [] ext4_filemap_fault+0x71/0xa0 [ 914.028285] [] __do_fault+0x223/0x500 [ 914.028292] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 914.028300] [] ? generic_file_readonly_mmap+0x190/0x190 [ 914.028307] [] handle_mm_fault+0x1326/0x2350 [ 914.028315] [] ? vm_insert_page+0x6f0/0x6f0 [ 914.028322] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 914.028329] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 914.028338] [] __do_page_fault+0x403/0xa60 [ 914.028345] [] ? bad_area_access_error+0x3a0/0x3a0 [ 914.028354] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 914.028361] [] do_page_fault+0x27/0x30 [ 914.028369] [] page_fault+0x25/0x30 [ 914.028372] Mem-Info: [ 914.028389] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 914.028389] active_file:6 inactive_file:25 isolated_file:0 [ 914.028389] unevictable:0 dirty:0 writeback:0 unstable:0 [ 914.028389] slab_reclaimable:4624 slab_unreclaimable:56986 [ 914.028389] mapped:4 shmem:48 pagetables:377 bounce:0 [ 914.028389] free:5991 free_pcp:79 free_cma:0 [ 914.028402] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 914.028420] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 914.028446] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227428kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:196kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 914.028501] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 914.028549] 0 pages in swap cache [ 914.028553] Swap cache stats: add 0, delete 0, find 0/0 [ 914.028555] Free swap = 0kB [ 914.028557] Total swap = 0kB [ 914.028559] 1965979 pages RAM [ 914.028561] 0 pages HighMem/MovableOnly [ 914.028563] 313617 pages reserved [ 914.358125] udevd: page allocation stalls for 140010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 914.358139] CPU: 0 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 914.358154] ffff8801d30977c0 ffffffff81b42e79 1ffff1003a612efa ffff8801d3884740 [ 914.358164] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3097908 [ 914.358174] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 914.358176] Call Trace: [ 914.358191] [] dump_stack+0xc1/0x128 [ 914.358201] [] warn_alloc.cold.31+0x7f/0x9c [ 914.358211] [] ? zone_watermark_ok_safe+0x250/0x250 [ 914.358219] [] ? shrink_node+0x740/0x740 [ 914.358228] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 914.358236] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 3 printk messages dropped ** [ 914.358267] [] ? find_get_entry+0x141/0x570 ** 95 printk messages dropped ** [ 914.442234] [] ? check_preemption_disabled+0x3b/0x200 [ 914.442242] [] ? find_get_entry+0x11a/0x570 [ 914.442249] [] ? find_get_entry+0x141/0x570 [ 914.442256] [] ? page_cache_prev_hole+0x80/0x80 ** 3 printk messages dropped ** [ 914.442287] [] ext4_filemap_fault+0x71/0xa0 [ 914.442294] [] __do_fault+0x223/0x500 [ 914.442301] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 914.442308] [] ? handle_mm_fault+0x1d4f/0x2350 ** 87 printk messages dropped ** [ 917.598968] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 917.598976] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 917.598985] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 40 printk messages dropped ** [ 919.972857] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 919.972857] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 919.972857] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 919.972857] Free memory is -13540kB above reserved [ 920.982870] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 920.982870] to free 124kB on behalf of 'syz-executor.4' (2327) because [ 920.982870] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 920.982870] Free memory is -13540kB above reserved [ 920.982880] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 920.982880] to free 124kB on behalf of 'init' (1) because [ 920.982880] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 920.982880] Free memory is -13540kB above reserved [ 921.992861] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 921.992861] to free 124kB on behalf of 'syz-executor.5' (2334) because [ 921.992861] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 921.992861] Free memory is -13540kB above reserved [ 921.992872] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 921.992872] to free 124kB on behalf of 'syz-execprog' (2156) because [ 921.992872] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 921.992872] Free memory is -13540kB above reserved [ 923.002890] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 923.002890] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 923.002890] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 923.002890] Free memory is -13540kB above reserved [ 923.928345] rsyslogd: page allocation stalls for 150010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 923.928353] CPU: 0 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 923.928367] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 923.928377] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 923.928387] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 923.928389] Call Trace: [ 923.928405] [] dump_stack+0xc1/0x128 [ 923.928415] [] warn_alloc.cold.31+0x7f/0x9c [ 923.928424] [] ? zone_watermark_ok_safe+0x250/0x250 [ 923.928433] [] ? shrink_node+0x740/0x740 [ 923.928442] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 923.928451] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 923.928459] [] ? check_preemption_disabled+0x3b/0x200 [ 923.928467] [] ? find_get_entry+0x11a/0x570 [ 923.928474] [] ? find_get_entry+0x141/0x570 [ 923.928481] [] ? page_cache_prev_hole+0x80/0x80 [ 923.928490] [] ? autoremove_wake_function+0x40/0x40 [ 923.928497] [] ? pagecache_get_page+0x131/0x710 [ 923.928505] [] filemap_fault+0xaf1/0x1110 [ 923.928513] [] ext4_filemap_fault+0x71/0xa0 [ 923.928525] [] __do_fault+0x223/0x500 [ 923.928532] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 923.928540] [] ? generic_file_readonly_mmap+0x190/0x190 [ 923.928548] [] handle_mm_fault+0x1326/0x2350 [ 923.928555] [] ? vm_insert_page+0x6f0/0x6f0 [ 923.928563] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 923.928572] [] __do_page_fault+0x403/0xa60 [ 923.928580] [] ? bad_area_access_error+0x3a0/0x3a0 [ 923.928590] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 923.928597] [] do_page_fault+0x27/0x30 [ 923.928606] [] page_fault+0x25/0x30 [ 923.928609] Mem-Info: [ 923.928625] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 923.928625] active_file:6 inactive_file:25 isolated_file:0 [ 923.928625] unevictable:0 dirty:0 writeback:0 unstable:0 [ 923.928625] slab_reclaimable:4624 slab_unreclaimable:56988 [ 923.928625] mapped:4 shmem:48 pagetables:377 bounce:0 [ 923.928625] free:5991 free_pcp:77 free_cma:0 [ 923.928638] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 923.928656] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 923.928683] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 923.928738] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 923.928786] 0 pages in swap cache [ 923.928790] Swap cache stats: add 0, delete 0, find 0/0 [ 923.928792] Free swap = 0kB [ 923.928794] Total swap = 0kB [ 923.928796] 1965979 pages RAM [ 923.928798] 0 pages HighMem/MovableOnly [ 923.928801] 313617 pages reserved [ 923.958140] syz-execprog: page allocation stalls for 150010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 923.958146] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 923.958158] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 923.958167] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 923.958176] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 923.958178] Call Trace: [ 923.958188] [] dump_stack+0xc1/0x128 [ 923.958196] [] warn_alloc.cold.31+0x7f/0x9c [ 923.958204] [] ? zone_watermark_ok_safe+0x250/0x250 [ 923.958211] [] ? shrink_node+0x740/0x740 [ 923.958219] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 923.958227] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 923.958235] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 923.958242] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 923.958248] [] ? find_get_entry+0x11a/0x570 [ 923.958254] [] ? find_get_entry+0x141/0x570 [ 923.958261] [] ? page_cache_prev_hole+0x80/0x80 [ 923.958268] [] ? autoremove_wake_function+0x40/0x40 [ 923.958275] [] ? pagecache_get_page+0x131/0x710 [ 923.958281] [] filemap_fault+0xaf1/0x1110 [ 923.958288] [] ext4_filemap_fault+0x71/0xa0 [ 923.958295] [] __do_fault+0x223/0x500 [ 923.958301] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 923.958308] [] ? generic_file_readonly_mmap+0x190/0x190 [ 923.958315] [] handle_mm_fault+0x1326/0x2350 [ 923.958322] [] ? ep_poll+0x18f/0xb20 [ 923.958328] [] ? vm_insert_page+0x6f0/0x6f0 [ 923.958335] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 923.958343] [] __do_page_fault+0x403/0xa60 [ 923.958350] [] ? __fget_light+0x169/0x1f0 [ 923.958356] [] ? bad_area_access_error+0x3a0/0x3a0 [ 923.958365] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 6 printk messages dropped ** [ 923.958430] lowmem_reserve[]: 0 3505 3505 [ 923.958447] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 923.958495] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 923.958542] 0 pages in swap cache [ 923.958546] Swap cache stats: add 0, delete 0, find 0/0 [ 923.958548] Free swap = 0kB [ 923.958550] Total swap = 0kB [ 923.958552] 1965979 pages RAM [ 923.958554] 0 pages HighMem/MovableOnly [ 923.958556] 313617 pages reserved [ 924.007337] syz-execprog: page allocation stalls for 150080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 924.007345] CPU: 0 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 924.007358] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 924.007367] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 924.007376] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 924.007377] Call Trace: [ 924.007390] [] dump_stack+0xc1/0x128 [ 924.007398] [] warn_alloc.cold.31+0x7f/0x9c [ 924.007406] [] ? zone_watermark_ok_safe+0x250/0x250 [ 924.007414] [] ? shrink_node+0x740/0x740 [ 924.007422] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 924.007430] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 924.007437] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 924.007444] [] ? find_get_entry+0x11a/0x570 [ 924.007450] [] ? find_get_entry+0x141/0x570 [ 924.007457] [] ? page_cache_prev_hole+0x80/0x80 [ 924.007465] [] ? autoremove_wake_function+0x40/0x40 [ 924.007472] [] ? pagecache_get_page+0x131/0x710 [ 924.007479] [] filemap_fault+0xaf1/0x1110 [ 924.007487] [] ext4_filemap_fault+0x71/0xa0 [ 924.007493] [] __do_fault+0x223/0x500 [ 924.007499] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 924.007507] [] ? generic_file_readonly_mmap+0x190/0x190 [ 924.007517] [] handle_mm_fault+0x1326/0x2350 [ 924.007526] [] ? poll_select_set_timeout+0xb5/0x120 [ 924.007532] [] ? vm_insert_page+0x6f0/0x6f0 [ 924.007539] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 924.007547] [] __do_page_fault+0x403/0xa60 [ 924.007554] [] ? __fget_light+0x169/0x1f0 [ 924.007560] [] ? bad_area_access_error+0x3a0/0x3a0 [ 924.007569] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 924.007575] [] do_page_fault+0x27/0x30 [ 924.007582] [] page_fault+0x25/0x30 [ 924.007585] Mem-Info: [ 924.007601] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 924.007601] active_file:6 inactive_file:25 isolated_file:0 [ 924.007601] unevictable:0 dirty:0 writeback:0 unstable:0 [ 924.007601] slab_reclaimable:4624 slab_unreclaimable:56988 [ 924.007601] mapped:4 shmem:48 pagetables:377 bounce:0 [ 924.007601] free:5991 free_pcp:77 free_cma:0 [ 924.007613] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 924.007629] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 924.007653] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 924.007702] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 924.007745] 0 pages in swap cache [ 924.007749] Swap cache stats: add 0, delete 0, find 0/0 [ 924.007751] Free swap = 0kB [ 924.007753] Total swap = 0kB [ 924.007755] 1965979 pages RAM [ 924.007757] 0 pages HighMem/MovableOnly [ 924.007759] 313617 pages reserved [ 924.012815] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 924.012815] to free 124kB on behalf of 'syz-executor.1' (2175) because [ 924.012815] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 924.012815] Free memory is -13540kB above reserved [ 924.013797] syz-executor.1: page allocation stalls for 150070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 924.013803] CPU: 0 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 924.013814] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 924.013823] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 924.013832] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 924.013833] Call Trace: [ 924.013842] [] dump_stack+0xc1/0x128 [ 924.013849] [] warn_alloc.cold.31+0x7f/0x9c [ 924.013857] [] ? zone_watermark_ok_safe+0x250/0x250 [ 924.013864] [] ? shrink_node+0x740/0x740 [ 924.013872] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 924.013880] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 924.013889] [] ? check_preemption_disabled+0x3b/0x200 [ 924.013895] [] ? find_get_entry+0x11a/0x570 [ 924.013902] [] ? find_get_entry+0x141/0x570 [ 924.013908] [] ? page_cache_prev_hole+0x80/0x80 [ 924.013915] [] ? pagecache_get_page+0x131/0x710 [ 924.013922] [] filemap_fault+0xaf1/0x1110 [ 924.013929] [] ext4_filemap_fault+0x71/0xa0 [ 924.013935] [] __do_fault+0x223/0x500 [ 924.013941] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 924.013948] [] ? generic_file_readonly_mmap+0x190/0x190 [ 924.013955] [] handle_mm_fault+0x1326/0x2350 [ 924.013962] [] ? vm_insert_page+0x6f0/0x6f0 [ 924.013969] [] __do_page_fault+0x403/0xa60 [ 924.013976] [] ? bad_area_access_error+0x3a0/0x3a0 [ 924.013984] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 924.013991] [] do_page_fault+0x27/0x30 [ 924.013998] [] page_fault+0x25/0x30 [ 924.014001] Mem-Info: [ 924.014014] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 924.014014] active_file:6 inactive_file:25 isolated_file:0 [ 924.014014] unevictable:0 dirty:0 writeback:0 unstable:0 [ 924.014014] slab_reclaimable:4624 slab_unreclaimable:56988 [ 924.014014] mapped:4 shmem:48 pagetables:377 bounce:0 [ 924.014014] free:5991 free_pcp:77 free_cma:0 [ 924.014026] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 924.014042] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 924.014066] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 924.014114] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 924.014156] 0 pages in swap cache [ 924.014160] Swap cache stats: add 0, delete 0, find 0/0 [ 924.014162] Free swap = 0kB [ 924.014163] Total swap = 0kB [ 924.014165] 1965979 pages RAM [ 924.014167] 0 pages HighMem/MovableOnly [ 924.014169] 313617 pages reserved [ 924.018723] syz-execprog: page allocation stalls for 150030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 924.018729] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 924.018739] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 924.018748] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 924.018757] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 924.018758] Call Trace: [ 924.018766] [] dump_stack+0xc1/0x128 [ 924.018773] [] warn_alloc.cold.31+0x7f/0x9c [ 924.018781] [] ? zone_watermark_ok_safe+0x250/0x250 [ 924.018788] [] ? shrink_node+0x740/0x740 [ 924.018796] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 924.018803] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 924.018812] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 924.018819] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 924.018825] [] ? find_get_entry+0x11a/0x570 [ 924.018832] [] ? find_get_entry+0x141/0x570 [ 924.018838] [] ? page_cache_prev_hole+0x80/0x80 [ 924.018845] [] ? autoremove_wake_function+0x40/0x40 [ 924.018852] [] ? pagecache_get_page+0x131/0x710 [ 924.018858] [] filemap_fault+0xaf1/0x1110 [ 924.018866] [] ext4_filemap_fault+0x71/0xa0 [ 924.018872] [] __do_fault+0x223/0x500 [ 924.018878] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 924.018885] [] ? generic_file_readonly_mmap+0x190/0x190 [ 924.018892] [] handle_mm_fault+0x1326/0x2350 [ 924.018898] [] ? vm_insert_page+0x6f0/0x6f0 [ 924.018905] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 924.018911] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 924.018919] [] __do_page_fault+0x403/0xa60 [ 924.018925] [] ? bad_area_access_error+0x3a0/0x3a0 [ 924.018933] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 924.018939] [] do_page_fault+0x27/0x30 [ 924.018946] [] page_fault+0x25/0x30 [ 924.018948] Mem-Info: [ 924.018962] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 924.018962] active_file:6 inactive_file:25 isolated_file:0 [ 924.018962] unevictable:0 dirty:0 writeback:0 unstable:0 [ 924.018962] slab_reclaimable:4624 slab_unreclaimable:56988 [ 924.018962] mapped:4 shmem:48 pagetables:377 bounce:0 [ 924.018962] free:5991 free_pcp:77 free_cma:0 [ 924.018974] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 924.018990] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 924.019013] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 924.019061] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 924.019103] 0 pages in swap cache ** 20 printk messages dropped ** [ 924.375597] [] ? find_get_entry+0x11a/0x570 ** 100 printk messages dropped ** [ 924.458679] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 924.458686] [] ? pagecache_get_page+0x131/0x710 [ 924.458693] [] filemap_fault+0xaf1/0x1110 [ 924.458700] [] ext4_filemap_fault+0x71/0xa0 [ 924.458706] [] __do_fault+0x223/0x500 [ 924.458712] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 924.458719] [] ? handle_mm_fault+0x1d4f/0x2350 [ 924.458726] [] handle_mm_fault+0x1326/0x2350 [ 924.458732] [] ? vm_insert_page+0x6f0/0x6f0 ** 86 printk messages dropped ** [ 927.588233] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 42 printk messages dropped ** [ 930.072873] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 930.072873] to free 124kB on behalf of 'syz-execprog' (2154) because [ 930.072873] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 930.072873] Free memory is -13540kB above reserved [ 931.082857] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 931.082857] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 931.082857] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 931.082857] Free memory is -13540kB above reserved [ 932.092857] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 932.092857] to free 124kB on behalf of 'udevd' (470) because [ 932.092857] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 932.092857] Free memory is -13540kB above reserved [ 932.092869] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 932.092869] to free 124kB on behalf of 'syz-executor.4' (2327) because [ 932.092869] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 932.092869] Free memory is -13540kB above reserved [ 933.102862] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 933.102862] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 933.102862] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 933.102862] Free memory is -13540kB above reserved [ 933.102873] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 933.102873] to free 124kB on behalf of 'udevd' (470) because [ 933.102873] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 933.102873] Free memory is -13540kB above reserved [ 933.937925] rsyslogd: page allocation stalls for 160020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 933.937933] CPU: 1 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 933.937948] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 933.937958] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 933.937968] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 933.937970] Call Trace: [ 933.937986] [] dump_stack+0xc1/0x128 [ 933.937995] [] warn_alloc.cold.31+0x7f/0x9c [ 933.938005] [] ? zone_watermark_ok_safe+0x250/0x250 [ 933.938013] [] ? shrink_node+0x740/0x740 [ 933.938023] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 933.938031] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 933.938040] [] ? check_preemption_disabled+0x3b/0x200 [ 933.938047] [] ? find_get_entry+0x11a/0x570 [ 933.938055] [] ? find_get_entry+0x141/0x570 [ 933.938062] [] ? page_cache_prev_hole+0x80/0x80 [ 933.938071] [] ? autoremove_wake_function+0x40/0x40 [ 933.938078] [] ? pagecache_get_page+0x131/0x710 [ 933.938086] [] filemap_fault+0xaf1/0x1110 [ 933.938094] [] ext4_filemap_fault+0x71/0xa0 [ 933.938101] [] __do_fault+0x223/0x500 [ 933.938108] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 933.938115] [] ? generic_file_readonly_mmap+0x190/0x190 [ 933.938122] [] handle_mm_fault+0x1326/0x2350 [ 933.938130] [] ? vm_insert_page+0x6f0/0x6f0 [ 933.938137] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 933.938146] [] __do_page_fault+0x403/0xa60 [ 933.938154] [] ? bad_area_access_error+0x3a0/0x3a0 [ 933.938164] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 933.938171] [] do_page_fault+0x27/0x30 [ 933.938179] [] page_fault+0x25/0x30 [ 933.938182] Mem-Info: [ 933.938199] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 933.938199] active_file:6 inactive_file:25 isolated_file:0 [ 933.938199] unevictable:0 dirty:0 writeback:0 unstable:0 [ 933.938199] slab_reclaimable:4624 slab_unreclaimable:56988 [ 933.938199] mapped:4 shmem:48 pagetables:377 bounce:0 [ 933.938199] free:5991 free_pcp:77 free_cma:0 [ 933.938213] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 933.938231] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 933.938257] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 933.938312] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 933.938360] 0 pages in swap cache [ 933.938364] Swap cache stats: add 0, delete 0, find 0/0 [ 933.938366] Free swap = 0kB [ 933.938374] Total swap = 0kB [ 933.938377] 1965979 pages RAM [ 933.938379] 0 pages HighMem/MovableOnly [ 933.938381] 313617 pages reserved [ 933.963461] syz-execprog: page allocation stalls for 160040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 933.963469] CPU: 0 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 933.963481] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 933.963491] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 933.963499] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 933.963501] Call Trace: [ 933.963511] [] dump_stack+0xc1/0x128 [ 933.963519] [] warn_alloc.cold.31+0x7f/0x9c [ 933.963527] [] ? zone_watermark_ok_safe+0x250/0x250 [ 933.963534] [] ? shrink_node+0x740/0x740 [ 933.963542] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 933.963551] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 933.963558] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 933.963564] [] ? find_get_entry+0x11a/0x570 [ 933.963571] [] ? find_get_entry+0x141/0x570 [ 933.963577] [] ? page_cache_prev_hole+0x80/0x80 [ 933.963585] [] ? autoremove_wake_function+0x40/0x40 [ 933.963591] [] ? pagecache_get_page+0x131/0x710 [ 933.963598] [] filemap_fault+0xaf1/0x1110 [ 933.963606] [] ext4_filemap_fault+0x71/0xa0 [ 933.963612] [] __do_fault+0x223/0x500 [ 933.963619] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 933.963626] [] ? generic_file_readonly_mmap+0x190/0x190 [ 933.963632] [] handle_mm_fault+0x1326/0x2350 [ 933.963640] [] ? poll_select_set_timeout+0xb5/0x120 [ 933.963647] [] ? vm_insert_page+0x6f0/0x6f0 [ 933.963654] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 933.963661] [] __do_page_fault+0x403/0xa60 [ 933.963668] [] ? __fget_light+0x169/0x1f0 [ 933.963675] [] ? bad_area_access_error+0x3a0/0x3a0 [ 933.963683] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 933.963689] [] do_page_fault+0x27/0x30 [ 933.963696] [] page_fault+0x25/0x30 ** 12 printk messages dropped ** [ 933.963861] Free swap = 0kB [ 933.963863] Total swap = 0kB [ 933.963865] 1965979 pages RAM [ 933.963872] 0 pages HighMem/MovableOnly [ 933.963874] 313617 pages reserved [ 933.970118] syz-execprog: page allocation stalls for 160020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 933.970125] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 933.970138] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 933.970148] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 933.970157] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 933.970159] Call Trace: [ 933.970168] [] dump_stack+0xc1/0x128 [ 933.970176] [] warn_alloc.cold.31+0x7f/0x9c [ 933.970184] [] ? zone_watermark_ok_safe+0x250/0x250 [ 933.970192] [] ? shrink_node+0x740/0x740 [ 933.970201] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 933.970208] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 933.970217] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 933.970224] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 933.970231] [] ? find_get_entry+0x11a/0x570 [ 933.970239] [] ? find_get_entry+0x141/0x570 [ 933.970246] [] ? page_cache_prev_hole+0x80/0x80 [ 933.970253] [] ? autoremove_wake_function+0x40/0x40 [ 933.970260] [] ? pagecache_get_page+0x131/0x710 [ 933.970268] [] filemap_fault+0xaf1/0x1110 [ 933.970276] [] ext4_filemap_fault+0x71/0xa0 [ 933.970282] [] __do_fault+0x223/0x500 [ 933.970289] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 933.970297] [] ? generic_file_readonly_mmap+0x190/0x190 [ 933.970304] [] handle_mm_fault+0x1326/0x2350 [ 933.970312] [] ? ep_poll+0x18f/0xb20 [ 933.970319] [] ? vm_insert_page+0x6f0/0x6f0 [ 933.970326] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 933.970334] [] __do_page_fault+0x403/0xa60 [ 933.970341] [] ? __fget_light+0x169/0x1f0 [ 933.970349] [] ? bad_area_access_error+0x3a0/0x3a0 [ 933.970357] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 933.970364] [] do_page_fault+0x27/0x30 [ 933.970378] [] page_fault+0x25/0x30 [ 933.970381] Mem-Info: [ 933.970396] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 933.970396] active_file:6 inactive_file:25 isolated_file:0 [ 933.970396] unevictable:0 dirty:0 writeback:0 unstable:0 [ 933.970396] slab_reclaimable:4624 slab_unreclaimable:56988 [ 933.970396] mapped:4 shmem:48 pagetables:377 bounce:0 [ 933.970396] free:5991 free_pcp:77 free_cma:0 [ 933.970409] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 933.970427] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 933.970453] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 933.970505] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 933.970552] 0 pages in swap cache [ 933.970556] Swap cache stats: add 0, delete 0, find 0/0 [ 933.970558] Free swap = 0kB [ 933.970560] Total swap = 0kB [ 933.970562] 1965979 pages RAM [ 933.970564] 0 pages HighMem/MovableOnly [ 933.970566] 313617 pages reserved [ 933.981326] syz-executor.1: page allocation stalls for 160030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 933.981333] CPU: 1 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 933.981345] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 933.981355] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 933.981369] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 933.981371] Call Trace: [ 933.981380] [] dump_stack+0xc1/0x128 [ 933.981388] [] warn_alloc.cold.31+0x7f/0x9c [ 933.981396] [] ? zone_watermark_ok_safe+0x250/0x250 [ 933.981404] [] ? shrink_node+0x740/0x740 [ 933.981413] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 933.981422] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 933.981431] [] ? check_preemption_disabled+0x3b/0x200 [ 933.981438] [] ? find_get_entry+0x11a/0x570 [ 933.981445] [] ? find_get_entry+0x141/0x570 [ 933.981452] [] ? page_cache_prev_hole+0x80/0x80 [ 933.981460] [] ? pagecache_get_page+0x131/0x710 [ 933.981467] [] filemap_fault+0xaf1/0x1110 [ 933.981475] [] ext4_filemap_fault+0x71/0xa0 [ 933.981481] [] __do_fault+0x223/0x500 [ 933.981488] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 933.981496] [] ? generic_file_readonly_mmap+0x190/0x190 [ 933.981504] [] handle_mm_fault+0x1326/0x2350 [ 933.981511] [] ? vm_insert_page+0x6f0/0x6f0 [ 933.981520] [] __do_page_fault+0x403/0xa60 [ 933.981528] [] ? bad_area_access_error+0x3a0/0x3a0 [ 933.981536] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 933.981543] [] do_page_fault+0x27/0x30 [ 933.981550] [] page_fault+0x25/0x30 [ 933.981553] Mem-Info: [ 933.981569] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 933.981569] active_file:6 inactive_file:25 isolated_file:0 [ 933.981569] unevictable:0 dirty:0 writeback:0 unstable:0 [ 933.981569] slab_reclaimable:4624 slab_unreclaimable:56988 [ 933.981569] mapped:4 shmem:48 pagetables:377 bounce:0 [ 933.981569] free:5991 free_pcp:77 free_cma:0 [ 933.981581] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 933.981599] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 933.981625] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 933.981679] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 933.981726] 0 pages in swap cache [ 933.981730] Swap cache stats: add 0, delete 0, find 0/0 [ 933.981732] Free swap = 0kB [ 933.981734] Total swap = 0kB [ 933.981736] 1965979 pages RAM [ 933.981739] 0 pages HighMem/MovableOnly [ 933.981741] 313617 pages reserved [ 934.002724] syz-execprog: page allocation stalls for 160010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 934.002731] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 934.002748] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 934.002758] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 934.002768] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 934.002770] Call Trace: [ 934.002781] [] dump_stack+0xc1/0x128 [ 934.002789] [] warn_alloc.cold.31+0x7f/0x9c [ 934.002797] [] ? zone_watermark_ok_safe+0x250/0x250 [ 934.002805] [] ? shrink_node+0x740/0x740 [ 934.002814] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 934.002822] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 934.002830] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 934.002838] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 934.002845] [] ? find_get_entry+0x11a/0x570 [ 934.002852] [] ? find_get_entry+0x141/0x570 [ 934.002859] [] ? page_cache_prev_hole+0x80/0x80 [ 934.002872] [] ? autoremove_wake_function+0x40/0x40 [ 934.002880] [] ? pagecache_get_page+0x131/0x710 [ 934.002887] [] filemap_fault+0xaf1/0x1110 [ 934.002895] [] ext4_filemap_fault+0x71/0xa0 [ 934.002901] [] __do_fault+0x223/0x500 [ 934.002908] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 934.002916] [] ? generic_file_readonly_mmap+0x190/0x190 [ 934.002924] [] handle_mm_fault+0x1326/0x2350 [ 934.002931] [] ? vm_insert_page+0x6f0/0x6f0 [ 934.002938] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 934.002945] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 934.002954] [] __do_page_fault+0x403/0xa60 [ 934.002962] [] ? bad_area_access_error+0x3a0/0x3a0 [ 934.002971] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 934.002977] [] do_page_fault+0x27/0x30 [ 934.002984] [] page_fault+0x25/0x30 [ 934.028110] Mem-Info: [ 934.028127] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 934.028127] active_file:6 inactive_file:25 isolated_file:0 [ 934.028127] unevictable:0 dirty:0 writeback:0 unstable:0 [ 934.028127] slab_reclaimable:4624 slab_unreclaimable:56988 [ 934.028127] mapped:4 shmem:48 pagetables:377 bounce:0 [ 934.028127] free:5991 free_pcp:77 free_cma:0 [ 934.028140] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 934.028158] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 934.028184] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 934.028238] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 934.028285] 0 pages in swap cache [ 934.028289] Swap cache stats: add 0, delete 0, find 0/0 [ 934.028292] Free swap = 0kB [ 934.028294] Total swap = 0kB [ 934.028296] 1965979 pages RAM [ 934.028298] 0 pages HighMem/MovableOnly [ 934.028300] 313617 pages reserved [ 934.113376] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 934.113376] to free 124kB on behalf of 'syz-execprog' (2168) because [ 934.113376] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 934.113376] Free memory is -13540kB above reserved [ 934.378150] udevd: page allocation stalls for 160030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 934.378159] CPU: 0 PID: 578 Comm: udevd Not tainted 4.9.141+ #1 [ 934.378173] ffff8801d17bf7c0 ffffffff81b42e79 1ffff1003a2f7efa ffff8801d1725f00 [ 934.378183] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d17bf908 [ 934.378194] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 934.378195] Call Trace: [ 934.378210] [] dump_stack+0xc1/0x128 [ 934.378219] [] warn_alloc.cold.31+0x7f/0x9c [ 934.378229] [] ? zone_watermark_ok_safe+0x250/0x250 [ 934.378237] [] ? shrink_node+0x740/0x740 [ 934.378246] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 108 printk messages dropped ** [ 934.467253] [] __do_fault+0x223/0x500 [ 934.467259] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 934.467267] [] ? handle_mm_fault+0x1d4f/0x2350 [ 934.467274] [] handle_mm_fault+0x1326/0x2350 [ 934.467281] [] ? vm_insert_page+0x6f0/0x6f0 [ 934.467289] [] ? kvm_clock_read+0x23/0x40 [ 934.467296] [] ? kvm_clock_get_cycles+0x9/0x10 [ 934.467304] [] __do_page_fault+0x403/0xa60 [ 934.467312] [] ? bad_area_access_error+0x3a0/0x3a0 ** 77 printk messages dropped ** [ 937.598130] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 48 printk messages dropped ** [ 941.182854] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 941.182854] to free 124kB on behalf of 'rsyslogd' (1894) because [ 941.182854] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 941.182854] Free memory is -13540kB above reserved [ 942.192800] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 942.192800] to free 124kB on behalf of 'syz-executor.4' (2327) because [ 942.192800] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 942.192800] Free memory is -13540kB above reserved [ 943.202880] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 943.202880] to free 124kB on behalf of 'udevd' (470) because [ 943.202880] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 943.202880] Free memory is -13540kB above reserved [ 943.202890] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 943.202890] to free 124kB on behalf of 'init' (1) because [ 943.202890] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 943.202890] Free memory is -13540kB above reserved [ 943.948115] rsyslogd: page allocation stalls for 170030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 943.948124] CPU: 1 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 943.948139] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 943.948149] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 943.948159] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 943.948161] Call Trace: [ 943.948175] [] dump_stack+0xc1/0x128 [ 943.948185] [] warn_alloc.cold.31+0x7f/0x9c [ 943.948195] [] ? zone_watermark_ok_safe+0x250/0x250 [ 943.948203] [] ? shrink_node+0x740/0x740 [ 943.948212] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 943.948221] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 943.948229] [] ? check_preemption_disabled+0x3b/0x200 [ 943.948237] [] ? find_get_entry+0x11a/0x570 [ 943.948244] [] ? find_get_entry+0x141/0x570 [ 943.948251] [] ? page_cache_prev_hole+0x80/0x80 [ 943.948259] [] ? autoremove_wake_function+0x40/0x40 [ 943.948267] [] ? pagecache_get_page+0x131/0x710 [ 943.948274] [] filemap_fault+0xaf1/0x1110 [ 943.948283] [] ext4_filemap_fault+0x71/0xa0 [ 943.948289] [] __do_fault+0x223/0x500 [ 943.948296] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 943.948304] [] ? generic_file_readonly_mmap+0x190/0x190 [ 943.948311] [] handle_mm_fault+0x1326/0x2350 [ 943.948318] [] ? vm_insert_page+0x6f0/0x6f0 [ 943.948326] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 943.948335] [] __do_page_fault+0x403/0xa60 [ 943.948343] [] ? bad_area_access_error+0x3a0/0x3a0 [ 943.948352] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 943.948359] [] do_page_fault+0x27/0x30 [ 943.948368] [] page_fault+0x25/0x30 [ 943.948372] Mem-Info: [ 943.948388] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 943.948388] active_file:6 inactive_file:25 isolated_file:0 [ 943.948388] unevictable:0 dirty:0 writeback:0 unstable:0 [ 943.948388] slab_reclaimable:4624 slab_unreclaimable:56988 [ 943.948388] mapped:4 shmem:48 pagetables:377 bounce:0 [ 943.948388] free:5991 free_pcp:77 free_cma:0 [ 943.948401] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 943.948419] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 943.948446] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 943.948501] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 943.948550] 0 pages in swap cache [ 943.948554] Swap cache stats: add 0, delete 0, find 0/0 [ 943.948556] Free swap = 0kB [ 943.948558] Total swap = 0kB [ 943.948560] 1965979 pages RAM [ 943.948563] 0 pages HighMem/MovableOnly [ 943.948565] 313617 pages reserved [ 943.961023] syz-execprog: page allocation stalls for 170030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 943.961030] CPU: 1 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 943.961043] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 943.961053] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 943.961063] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 943.961065] Call Trace: [ 943.961076] [] dump_stack+0xc1/0x128 [ 943.961085] [] warn_alloc.cold.31+0x7f/0x9c [ 943.961093] [] ? zone_watermark_ok_safe+0x250/0x250 [ 943.961101] [] ? shrink_node+0x740/0x740 [ 943.961110] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 943.961119] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 943.961127] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 943.961134] [] ? find_get_entry+0x11a/0x570 [ 943.961141] [] ? find_get_entry+0x141/0x570 [ 943.961148] [] ? page_cache_prev_hole+0x80/0x80 [ 943.961157] [] ? autoremove_wake_function+0x40/0x40 [ 943.961164] [] ? pagecache_get_page+0x131/0x710 [ 943.961172] [] filemap_fault+0xaf1/0x1110 [ 943.961179] [] ext4_filemap_fault+0x71/0xa0 [ 943.961186] [] __do_fault+0x223/0x500 [ 943.961193] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 943.961201] [] ? generic_file_readonly_mmap+0x190/0x190 [ 943.961208] [] handle_mm_fault+0x1326/0x2350 [ 943.961216] [] ? poll_select_set_timeout+0xb5/0x120 [ 943.961223] [] ? vm_insert_page+0x6f0/0x6f0 [ 943.961230] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 943.961239] [] __do_page_fault+0x403/0xa60 [ 943.961246] [] ? __fget_light+0x169/0x1f0 [ 943.961253] [] ? bad_area_access_error+0x3a0/0x3a0 [ 943.961262] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 943.961269] [] do_page_fault+0x27/0x30 [ 943.961277] [] page_fault+0x25/0x30 [ 943.961281] Mem-Info: [ 943.961296] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 943.961296] active_file:6 inactive_file:25 isolated_file:0 [ 943.961296] unevictable:0 dirty:0 writeback:0 unstable:0 [ 943.961296] slab_reclaimable:4624 slab_unreclaimable:56988 [ 943.961296] mapped:4 shmem:48 pagetables:377 bounce:0 [ 943.961296] free:5991 free_pcp:77 free_cma:0 [ 943.961309] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 6 printk messages dropped ** [ 943.961453] 80 total pagecache pages [ 943.961455] 0 pages in swap cache [ 943.961459] Swap cache stats: add 0, delete 0, find 0/0 [ 943.961461] Free swap = 0kB [ 943.961463] Total swap = 0kB [ 943.961466] 1965979 pages RAM [ 943.961468] 0 pages HighMem/MovableOnly [ 943.961470] 313617 pages reserved [ 943.983629] syz-execprog: page allocation stalls for 170040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 943.983637] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 943.983650] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 943.983660] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 943.983670] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 943.983671] Call Trace: [ 943.983683] [] dump_stack+0xc1/0x128 [ 943.983691] [] warn_alloc.cold.31+0x7f/0x9c [ 943.983699] [] ? zone_watermark_ok_safe+0x250/0x250 [ 943.983707] [] ? shrink_node+0x740/0x740 [ 943.983716] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 943.983729] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 943.983738] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 943.983745] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 943.983753] [] ? find_get_entry+0x11a/0x570 [ 943.983760] [] ? find_get_entry+0x141/0x570 [ 943.983767] [] ? page_cache_prev_hole+0x80/0x80 [ 943.983775] [] ? autoremove_wake_function+0x40/0x40 [ 943.983783] [] ? pagecache_get_page+0x131/0x710 [ 943.983790] [] filemap_fault+0xaf1/0x1110 [ 943.983799] [] ext4_filemap_fault+0x71/0xa0 [ 943.983805] [] __do_fault+0x223/0x500 [ 943.983812] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 943.983820] [] ? generic_file_readonly_mmap+0x190/0x190 [ 943.983827] [] handle_mm_fault+0x1326/0x2350 [ 943.983835] [] ? ep_poll+0x18f/0xb20 [ 943.983842] [] ? vm_insert_page+0x6f0/0x6f0 [ 943.983850] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 943.983858] [] __do_page_fault+0x403/0xa60 [ 943.983866] [] ? __fget_light+0x169/0x1f0 [ 943.983873] [] ? bad_area_access_error+0x3a0/0x3a0 [ 943.983883] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 943.983889] [] do_page_fault+0x27/0x30 [ 943.983898] [] page_fault+0x25/0x30 [ 943.983901] Mem-Info: [ 943.983916] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 943.983916] active_file:6 inactive_file:25 isolated_file:0 [ 943.983916] unevictable:0 dirty:0 writeback:0 unstable:0 [ 943.983916] slab_reclaimable:4624 slab_unreclaimable:56988 [ 943.983916] mapped:4 shmem:48 pagetables:377 bounce:0 [ 943.983916] free:5991 free_pcp:77 free_cma:0 [ 943.983929] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 943.983947] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 943.983973] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 943.984028] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 943.984075] 0 pages in swap cache [ 943.984079] Swap cache stats: add 0, delete 0, find 0/0 [ 943.984081] Free swap = 0kB [ 943.984083] Total swap = 0kB [ 943.984086] 1965979 pages RAM [ 943.984088] 0 pages HighMem/MovableOnly [ 943.984090] 313617 pages reserved [ 943.992104] syz-executor.1: page allocation stalls for 170040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 943.992111] CPU: 0 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 943.992123] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 943.992132] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 943.992140] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 943.992142] Call Trace: [ 943.992150] [] dump_stack+0xc1/0x128 [ 943.992157] [] warn_alloc.cold.31+0x7f/0x9c [ 943.992165] [] ? zone_watermark_ok_safe+0x250/0x250 [ 943.992172] [] ? shrink_node+0x740/0x740 [ 943.992180] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 943.992188] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 943.992197] [] ? check_preemption_disabled+0x3b/0x200 [ 943.992203] [] ? find_get_entry+0x11a/0x570 [ 943.992210] [] ? find_get_entry+0x141/0x570 [ 943.992216] [] ? page_cache_prev_hole+0x80/0x80 [ 943.992228] [] ? pagecache_get_page+0x131/0x710 [ 943.992235] [] filemap_fault+0xaf1/0x1110 [ 943.992243] [] ext4_filemap_fault+0x71/0xa0 [ 943.992248] [] __do_fault+0x223/0x500 [ 943.992255] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 943.992262] [] ? generic_file_readonly_mmap+0x190/0x190 [ 943.992269] [] handle_mm_fault+0x1326/0x2350 [ 943.992275] [] ? vm_insert_page+0x6f0/0x6f0 [ 943.992283] [] __do_page_fault+0x403/0xa60 [ 943.992290] [] ? bad_area_access_error+0x3a0/0x3a0 [ 943.992297] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 943.992304] [] do_page_fault+0x27/0x30 [ 943.992310] [] page_fault+0x25/0x30 [ 943.992313] Mem-Info: [ 943.992327] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 943.992327] active_file:6 inactive_file:25 isolated_file:0 [ 943.992327] unevictable:0 dirty:0 writeback:0 unstable:0 [ 943.992327] slab_reclaimable:4624 slab_unreclaimable:56988 [ 943.992327] mapped:4 shmem:48 pagetables:377 bounce:0 [ 943.992327] free:5991 free_pcp:77 free_cma:0 [ 943.992338] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 943.992354] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 943.992378] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 943.992425] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 943.992468] 0 pages in swap cache [ 943.992471] Swap cache stats: add 0, delete 0, find 0/0 [ 943.992473] Free swap = 0kB [ 943.992475] Total swap = 0kB [ 943.992477] 1965979 pages RAM [ 943.992479] 0 pages HighMem/MovableOnly [ 943.992481] 313617 pages reserved [ 944.018262] syz-execprog: page allocation stalls for 170030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 944.018269] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 944.018282] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 944.018292] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 944.018302] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 944.018304] Call Trace: [ 944.018314] [] dump_stack+0xc1/0x128 [ 944.018322] [] warn_alloc.cold.31+0x7f/0x9c [ 944.018330] [] ? zone_watermark_ok_safe+0x250/0x250 [ 944.018338] [] ? shrink_node+0x740/0x740 [ 944.018347] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 944.018355] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 944.018364] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 944.018371] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 944.018379] [] ? find_get_entry+0x11a/0x570 [ 944.018386] [] ? find_get_entry+0x141/0x570 [ 944.018393] [] ? page_cache_prev_hole+0x80/0x80 [ 944.018401] [] ? autoremove_wake_function+0x40/0x40 [ 944.018408] [] ? pagecache_get_page+0x131/0x710 [ 944.018416] [] filemap_fault+0xaf1/0x1110 [ 944.018424] [] ext4_filemap_fault+0x71/0xa0 [ 944.018431] [] __do_fault+0x223/0x500 [ 944.018437] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 944.018445] [] ? generic_file_readonly_mmap+0x190/0x190 [ 944.018452] [] handle_mm_fault+0x1326/0x2350 [ 944.018460] [] ? vm_insert_page+0x6f0/0x6f0 [ 944.018466] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 944.018474] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 944.018482] [] __do_page_fault+0x403/0xa60 [ 944.018490] [] ? bad_area_access_error+0x3a0/0x3a0 [ 944.018499] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 944.018506] [] do_page_fault+0x27/0x30 [ 944.018513] [] page_fault+0x25/0x30 [ 944.018516] Mem-Info: [ 944.018531] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 944.018531] active_file:6 inactive_file:25 isolated_file:0 [ 944.018531] unevictable:0 dirty:0 writeback:0 unstable:0 [ 944.018531] slab_reclaimable:4624 slab_unreclaimable:56988 [ 944.018531] mapped:4 shmem:48 pagetables:377 bounce:0 [ 944.018531] free:5991 free_pcp:77 free_cma:0 [ 944.018544] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 944.018561] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 944.018588] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 944.018642] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 944.018690] 0 pages in swap cache [ 944.018694] Swap cache stats: add 0, delete 0, find 0/0 [ 944.018697] Free swap = 0kB [ 944.018699] Total swap = 0kB [ 944.018701] 1965979 pages RAM [ 944.018703] 0 pages HighMem/MovableOnly [ 944.018705] 313617 pages reserved [ 944.212872] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 944.212872] to free 124kB on behalf of 'syz-executor.1' (2175) because [ 944.212872] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 944.212872] Free memory is -13540kB above reserved [ 944.212883] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 944.212883] to free 124kB on behalf of 'syz-execprog' (2171) because [ 944.212883] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 944.212883] Free memory is -13540kB above reserved [ 944.363304] udevd: page allocation stalls for 170020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 944.363313] CPU: 0 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 944.363329] ffff8801d30977c0 ffffffff81b42e79 1ffff1003a612efa ffff8801d3884740 [ 944.363339] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3097908 [ 944.363349] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 944.363351] Call Trace: [ 944.363366] [] dump_stack+0xc1/0x128 [ 944.363376] [] warn_alloc.cold.31+0x7f/0x9c [ 944.363386] [] ? zone_watermark_ok_safe+0x250/0x250 [ 944.363395] [] ? shrink_node+0x740/0x740 [ 944.363404] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 944.363412] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 944.363420] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 944.363429] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 944.363436] [] ? find_get_entry+0x11a/0x570 [ 944.363443] [] ? find_get_entry+0x141/0x570 [ 944.363450] [] ? page_cache_prev_hole+0x80/0x80 [ 944.363458] [] ? autoremove_wake_function+0x40/0x40 [ 944.363465] [] ? pagecache_get_page+0x131/0x710 [ 944.363473] [] filemap_fault+0xaf1/0x1110 [ 944.363482] [] ext4_filemap_fault+0x71/0xa0 [ 944.363489] [] __do_fault+0x223/0x500 [ 944.363496] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 944.363503] [] ? handle_mm_fault+0x1d4f/0x2350 [ 944.363510] [] handle_mm_fault+0x1326/0x2350 [ 944.363518] [] ? vm_insert_page+0x6f0/0x6f0 [ 944.363525] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 944.363534] [] __do_page_fault+0x403/0xa60 [ 944.363542] [] ? bad_area_access_error+0x3a0/0x3a0 [ 944.363551] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 944.363558] [] do_page_fault+0x27/0x30 [ 944.363568] [] page_fault+0x25/0x30 [ 944.363571] Mem-Info: [ 944.363588] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 944.363588] active_file:6 inactive_file:25 isolated_file:0 [ 944.363588] unevictable:0 dirty:0 writeback:0 unstable:0 [ 944.363588] slab_reclaimable:4624 slab_unreclaimable:56988 [ 944.363588] mapped:4 shmem:48 pagetables:377 bounce:0 [ 944.363588] free:5991 free_pcp:77 free_cma:0 [ 944.363601] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 944.363619] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 30 printk messages dropped ** [ 944.370558] [] ? autoremove_wake_function+0x40/0x40 ** 49 printk messages dropped ** [ 944.484124] [] ? pagecache_get_page+0x131/0x710 [ 944.484132] [] filemap_fault+0xaf1/0x1110 [ 944.484140] [] ext4_filemap_fault+0x71/0xa0 [ 944.484147] [] __do_fault+0x223/0x500 [ 944.484154] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 944.484161] [] ? handle_mm_fault+0x1d4f/0x2350 [ 944.484169] [] handle_mm_fault+0x1326/0x2350 [ 944.484176] [] ? vm_insert_page+0x6f0/0x6f0 ** 37 printk messages dropped ** [ 947.018085] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 947.018093] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 88 printk messages dropped ** [ 950.272880] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 950.272880] to free 124kB on behalf of 'cron' (1943) because [ 950.272880] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 950.272880] Free memory is -13540kB above reserved [ 950.272891] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 950.272891] to free 124kB on behalf of 'syz-execprog' (2171) because [ 950.272891] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 950.272891] Free memory is -13540kB above reserved [ 951.282806] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 951.282806] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 951.282806] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 951.282806] Free memory is -13540kB above reserved [ 951.282818] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 951.282818] to free 124kB on behalf of 'udevd' (470) because [ 951.282818] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 951.282818] Free memory is -13540kB above reserved [ 952.292858] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 952.292858] to free 124kB on behalf of 'udevd' (470) because [ 952.292858] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 952.292858] Free memory is -13540kB above reserved [ 952.327407] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 952.327407] to free 124kB on behalf of 'syz-execprog' (2168) because [ 952.327407] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 952.327407] Free memory is -13540kB above reserved [ 953.332799] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 953.332799] to free 124kB on behalf of 'udevd' (578) because [ 953.332799] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 953.332799] Free memory is -13540kB above reserved [ 953.948089] rsyslogd: page allocation stalls for 180030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 953.948097] CPU: 1 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 953.948112] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 953.948122] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 953.948132] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 953.948134] Call Trace: [ 953.948150] [] dump_stack+0xc1/0x128 [ 953.948159] [] warn_alloc.cold.31+0x7f/0x9c [ 953.948169] [] ? zone_watermark_ok_safe+0x250/0x250 [ 953.948177] [] ? shrink_node+0x740/0x740 [ 953.948186] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 953.948195] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 953.948204] [] ? check_preemption_disabled+0x3b/0x200 [ 953.948211] [] ? find_get_entry+0x11a/0x570 [ 953.948218] [] ? find_get_entry+0x141/0x570 [ 953.948225] [] ? page_cache_prev_hole+0x80/0x80 [ 953.948234] [] ? autoremove_wake_function+0x40/0x40 [ 953.948241] [] ? pagecache_get_page+0x131/0x710 [ 953.948248] [] filemap_fault+0xaf1/0x1110 [ 953.948257] [] ext4_filemap_fault+0x71/0xa0 [ 953.948264] [] __do_fault+0x223/0x500 [ 953.948271] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 953.948279] [] ? generic_file_readonly_mmap+0x190/0x190 [ 953.948286] [] handle_mm_fault+0x1326/0x2350 [ 953.948293] [] ? vm_insert_page+0x6f0/0x6f0 [ 953.948301] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 953.948309] [] __do_page_fault+0x403/0xa60 [ 953.948317] [] ? bad_area_access_error+0x3a0/0x3a0 [ 953.948326] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 953.948333] [] do_page_fault+0x27/0x30 [ 953.948341] [] page_fault+0x25/0x30 [ 953.948345] Mem-Info: [ 953.948362] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 953.948362] active_file:6 inactive_file:25 isolated_file:0 [ 953.948362] unevictable:0 dirty:0 writeback:0 unstable:0 [ 953.948362] slab_reclaimable:4624 slab_unreclaimable:56988 [ 953.948362] mapped:4 shmem:48 pagetables:377 bounce:0 [ 953.948362] free:5991 free_pcp:77 free_cma:0 [ 953.948375] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 953.948393] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 953.948419] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 953.948474] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 953.948523] 0 pages in swap cache [ 953.948527] Swap cache stats: add 0, delete 0, find 0/0 [ 953.948529] Free swap = 0kB [ 953.948531] Total swap = 0kB [ 953.948534] 1965979 pages RAM [ 953.948536] 0 pages HighMem/MovableOnly [ 953.948538] 313617 pages reserved [ 953.966290] syz-execprog: page allocation stalls for 180040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 953.966298] CPU: 1 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 953.966311] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 953.966321] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 953.966331] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 953.966333] Call Trace: [ 953.966345] [] dump_stack+0xc1/0x128 [ 953.966353] [] warn_alloc.cold.31+0x7f/0x9c [ 953.966362] [] ? zone_watermark_ok_safe+0x250/0x250 [ 953.966370] [] ? shrink_node+0x740/0x740 ** 36 printk messages dropped ** [ 953.966738] Total swap = 0kB [ 953.966741] 1965979 pages RAM [ 953.966743] 0 pages HighMem/MovableOnly [ 953.966745] 313617 pages reserved [ 953.972093] syz-executor.1: page allocation stalls for 180020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 953.972100] CPU: 1 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 953.972112] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 953.972122] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 953.972132] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 953.972133] Call Trace: [ 953.972142] [] dump_stack+0xc1/0x128 [ 953.972150] [] warn_alloc.cold.31+0x7f/0x9c [ 953.972159] [] ? zone_watermark_ok_safe+0x250/0x250 [ 953.972166] [] ? shrink_node+0x740/0x740 [ 953.972175] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 953.972184] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 953.972193] [] ? check_preemption_disabled+0x3b/0x200 [ 953.972200] [] ? find_get_entry+0x11a/0x570 [ 953.972207] [] ? find_get_entry+0x141/0x570 [ 953.972215] [] ? page_cache_prev_hole+0x80/0x80 [ 953.972222] [] ? pagecache_get_page+0x131/0x710 [ 953.972230] [] filemap_fault+0xaf1/0x1110 [ 953.972237] [] ext4_filemap_fault+0x71/0xa0 [ 953.972244] [] __do_fault+0x223/0x500 [ 953.972251] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 953.972259] [] ? generic_file_readonly_mmap+0x190/0x190 [ 953.972266] [] handle_mm_fault+0x1326/0x2350 [ 953.972274] [] ? vm_insert_page+0x6f0/0x6f0 [ 953.972282] [] __do_page_fault+0x403/0xa60 [ 953.972290] [] ? bad_area_access_error+0x3a0/0x3a0 [ 953.972299] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 953.972305] [] do_page_fault+0x27/0x30 [ 953.972312] [] page_fault+0x25/0x30 [ 953.972315] Mem-Info: [ 953.972331] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 953.972331] active_file:6 inactive_file:25 isolated_file:0 [ 953.972331] unevictable:0 dirty:0 writeback:0 unstable:0 [ 953.972331] slab_reclaimable:4624 slab_unreclaimable:56988 [ 953.972331] mapped:4 shmem:48 pagetables:377 bounce:0 [ 953.972331] free:5991 free_pcp:77 free_cma:0 [ 953.972343] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 953.972361] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 953.972386] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 953.972440] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 953.972488] 0 pages in swap cache [ 953.972491] Swap cache stats: add 0, delete 0, find 0/0 [ 953.972494] Free swap = 0kB [ 953.972496] Total swap = 0kB [ 953.972498] 1965979 pages RAM [ 953.972500] 0 pages HighMem/MovableOnly [ 953.972502] 313617 pages reserved [ 953.994513] syz-execprog: page allocation stalls for 180050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 953.994520] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 953.994533] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 953.994542] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 953.994551] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 953.994553] Call Trace: [ 953.994563] [] dump_stack+0xc1/0x128 [ 953.994572] [] warn_alloc.cold.31+0x7f/0x9c [ 953.994585] [] ? zone_watermark_ok_safe+0x250/0x250 [ 953.994592] [] ? shrink_node+0x740/0x740 [ 953.994600] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 953.994607] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 953.994615] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 953.994622] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 953.994629] [] ? find_get_entry+0x11a/0x570 [ 953.994636] [] ? find_get_entry+0x141/0x570 [ 953.994642] [] ? page_cache_prev_hole+0x80/0x80 [ 953.994649] [] ? autoremove_wake_function+0x40/0x40 [ 953.994656] [] ? pagecache_get_page+0x131/0x710 [ 953.994663] [] filemap_fault+0xaf1/0x1110 [ 953.994670] [] ext4_filemap_fault+0x71/0xa0 [ 953.994676] [] __do_fault+0x223/0x500 [ 953.994682] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 953.994690] [] ? generic_file_readonly_mmap+0x190/0x190 [ 953.994696] [] handle_mm_fault+0x1326/0x2350 [ 953.994703] [] ? ep_poll+0x18f/0xb20 [ 953.994710] [] ? vm_insert_page+0x6f0/0x6f0 [ 953.994717] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 953.994724] [] __do_page_fault+0x403/0xa60 [ 953.994731] [] ? __fget_light+0x169/0x1f0 [ 953.994738] [] ? bad_area_access_error+0x3a0/0x3a0 [ 953.994746] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 953.994753] [] do_page_fault+0x27/0x30 [ 953.994759] [] page_fault+0x25/0x30 [ 953.994762] Mem-Info: [ 953.994777] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 953.994777] active_file:6 inactive_file:25 isolated_file:0 [ 953.994777] unevictable:0 dirty:0 writeback:0 unstable:0 [ 953.994777] slab_reclaimable:4624 slab_unreclaimable:56988 [ 953.994777] mapped:4 shmem:48 pagetables:377 bounce:0 [ 953.994777] free:5991 free_pcp:77 free_cma:0 [ 953.994788] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 953.994804] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 953.994828] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 953.994877] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 953.994919] 0 pages in swap cache [ 953.994923] Swap cache stats: add 0, delete 0, find 0/0 [ 953.994924] Free swap = 0kB [ 953.994926] Total swap = 0kB [ 953.994928] 1965979 pages RAM [ 953.994930] 0 pages HighMem/MovableOnly [ 953.994932] 313617 pages reserved [ 953.996024] syz-execprog: page allocation stalls for 180010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 953.996030] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 953.996040] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 953.996049] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 953.996059] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 953.996060] Call Trace: [ 953.996068] [] dump_stack+0xc1/0x128 [ 953.996075] [] warn_alloc.cold.31+0x7f/0x9c [ 953.996082] [] ? zone_watermark_ok_safe+0x250/0x250 [ 953.996089] [] ? shrink_node+0x740/0x740 [ 953.996097] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 953.996104] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 953.996112] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 953.996118] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 953.996125] [] ? find_get_entry+0x11a/0x570 [ 953.996131] [] ? find_get_entry+0x141/0x570 [ 953.996138] [] ? page_cache_prev_hole+0x80/0x80 [ 953.996145] [] ? autoremove_wake_function+0x40/0x40 [ 953.996151] [] ? pagecache_get_page+0x131/0x710 [ 953.996158] [] filemap_fault+0xaf1/0x1110 [ 953.996165] [] ext4_filemap_fault+0x71/0xa0 [ 953.996171] [] __do_fault+0x223/0x500 [ 953.996177] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 953.996184] [] ? generic_file_readonly_mmap+0x190/0x190 [ 953.996191] [] handle_mm_fault+0x1326/0x2350 [ 953.996197] [] ? vm_insert_page+0x6f0/0x6f0 [ 953.996204] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 953.996210] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 953.996217] [] __do_page_fault+0x403/0xa60 [ 953.996224] [] ? bad_area_access_error+0x3a0/0x3a0 [ 953.996232] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 953.996238] [] do_page_fault+0x27/0x30 [ 953.996244] [] page_fault+0x25/0x30 [ 953.996247] Mem-Info: [ 953.996261] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 953.996261] active_file:6 inactive_file:25 isolated_file:0 [ 953.996261] unevictable:0 dirty:0 writeback:0 unstable:0 [ 953.996261] slab_reclaimable:4624 slab_unreclaimable:56988 [ 953.996261] mapped:4 shmem:48 pagetables:377 bounce:0 [ 953.996261] free:5991 free_pcp:77 free_cma:0 [ 953.996272] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 953.996288] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 953.996311] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 953.996359] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 953.996401] 0 pages in swap cache [ 953.996405] Swap cache stats: add 0, delete 0, find 0/0 [ 953.996407] Free swap = 0kB [ 953.996408] Total swap = 0kB [ 953.996410] 1965979 pages RAM [ 953.996412] 0 pages HighMem/MovableOnly [ 953.996414] 313617 pages reserved [ 954.342853] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 954.342853] to free 124kB on behalf of 'syz-executor.4' (2327) because [ 954.342853] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 954.342853] Free memory is -13540kB above reserved [ 954.342864] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 954.342864] to free 124kB on behalf of 'syz-execprog' (2171) because [ 954.342864] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 954.342864] Free memory is -13540kB above reserved [ 954.378613] udevd: page allocation stalls for 180030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 954.378622] CPU: 0 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 954.378636] ffff8801d30977c0 ffffffff81b42e79 1ffff1003a612efa ffff8801d3884740 [ 954.378646] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3097908 [ 954.378656] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 954.378658] Call Trace: [ 954.378673] [] dump_stack+0xc1/0x128 [ 954.378683] [] warn_alloc.cold.31+0x7f/0x9c [ 954.378693] [] ? zone_watermark_ok_safe+0x250/0x250 [ 954.378701] [] ? shrink_node+0x740/0x740 [ 954.378710] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 954.378718] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 954.378727] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 51 printk messages dropped ** [ 954.384256] [] ? find_get_entry+0x141/0x570 [ 954.384263] [] ? page_cache_prev_hole+0x80/0x80 ** 48 printk messages dropped ** [ 954.448291] [] ? page_cache_prev_hole+0x80/0x80 [ 954.448300] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 954.448308] [] ? pagecache_get_page+0x131/0x710 [ 954.448315] [] filemap_fault+0xaf1/0x1110 [ 954.448323] [] ext4_filemap_fault+0x71/0xa0 [ 954.448330] [] __do_fault+0x223/0x500 [ 954.448337] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 954.448344] [] ? handle_mm_fault+0x1d4f/0x2350 [ 954.448352] [] handle_mm_fault+0x1326/0x2350 [ 954.448359] [] ? vm_insert_page+0x6f0/0x6f0 ** 77 printk messages dropped ** [ 957.372843] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 957.372843] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 957.372843] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 957.372843] Free memory is -13540kB above reserved ** 42 printk messages dropped ** [ 957.597910] 0 pages in swap cache [ 957.597914] Swap cache stats: add 0, delete 0, find 0/0 [ 957.597916] Free swap = 0kB [ 957.597918] Total swap = 0kB ** 3 printk messages dropped ** [ 958.382839] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 958.382839] to free 124kB on behalf of 'rsyslogd' (1894) because [ 958.382839] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 958.382839] Free memory is -13540kB above reserved [ 959.392804] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 959.392804] to free 124kB on behalf of 'syz-executor.4' (2327) because [ 959.392804] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 959.392804] Free memory is -13540kB above reserved [ 960.402834] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 960.402834] to free 124kB on behalf of 'rsyslogd' (1894) because [ 960.402834] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 960.402834] Free memory is -13540kB above reserved [ 960.402849] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 960.402849] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 960.402849] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 960.402849] Free memory is -13540kB above reserved [ 961.412807] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 961.412807] to free 124kB on behalf of 'udevd' (578) because [ 961.412807] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 961.412807] Free memory is -13540kB above reserved [ 962.422856] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 962.422856] to free 124kB on behalf of 'syz-execprog' (2156) because [ 962.422856] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 962.422856] Free memory is -13540kB above reserved [ 963.432814] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 963.432814] to free 124kB on behalf of 'udevd' (578) because [ 963.432814] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 963.432814] Free memory is -13540kB above reserved [ 963.432825] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 963.432825] to free 124kB on behalf of 'syz-execprog' (2156) because [ 963.432825] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 963.432825] Free memory is -13540kB above reserved [ 963.927473] rsyslogd: page allocation stalls for 190010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 963.927482] CPU: 1 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 963.927497] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 963.927507] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 963.927517] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 963.927519] Call Trace: [ 963.927533] [] dump_stack+0xc1/0x128 [ 963.927543] [] warn_alloc.cold.31+0x7f/0x9c [ 963.927552] [] ? zone_watermark_ok_safe+0x250/0x250 [ 963.927561] [] ? shrink_node+0x740/0x740 [ 963.927570] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 963.927579] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 963.927587] [] ? check_preemption_disabled+0x3b/0x200 [ 963.927595] [] ? find_get_entry+0x11a/0x570 [ 963.927602] [] ? find_get_entry+0x141/0x570 [ 963.927609] [] ? page_cache_prev_hole+0x80/0x80 [ 963.927618] [] ? autoremove_wake_function+0x40/0x40 [ 963.927625] [] ? pagecache_get_page+0x131/0x710 [ 963.927633] [] filemap_fault+0xaf1/0x1110 [ 963.927643] [] ext4_filemap_fault+0x71/0xa0 [ 963.927650] [] __do_fault+0x223/0x500 [ 963.927657] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 963.927665] [] ? generic_file_readonly_mmap+0x190/0x190 [ 963.927672] [] handle_mm_fault+0x1326/0x2350 [ 963.927680] [] ? vm_insert_page+0x6f0/0x6f0 [ 963.927687] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 963.927696] [] __do_page_fault+0x403/0xa60 [ 963.927703] [] ? bad_area_access_error+0x3a0/0x3a0 [ 963.927712] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 963.927719] [] do_page_fault+0x27/0x30 [ 963.927728] [] page_fault+0x25/0x30 [ 963.927731] Mem-Info: [ 963.927748] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 963.927748] active_file:6 inactive_file:25 isolated_file:0 [ 963.927748] unevictable:0 dirty:0 writeback:0 unstable:0 [ 963.927748] slab_reclaimable:4624 slab_unreclaimable:56988 [ 963.927748] mapped:4 shmem:48 pagetables:377 bounce:0 [ 963.927748] free:5991 free_pcp:77 free_cma:0 [ 963.927761] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 963.927779] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 963.927806] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 963.927861] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 963.927910] 0 pages in swap cache [ 963.927914] Swap cache stats: add 0, delete 0, find 0/0 [ 963.927916] Free swap = 0kB [ 963.927918] Total swap = 0kB [ 963.927920] 1965979 pages RAM [ 963.927922] 0 pages HighMem/MovableOnly [ 963.927924] 313617 pages reserved [ 963.956719] syz-execprog: page allocation stalls for 190030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 963.956726] CPU: 1 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 963.956740] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 963.956750] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 963.956760] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 963.956762] Call Trace: ** 31 printk messages dropped ** [ 963.957037] lowmem_reserve[]: 0 3505 3505 ** 2 printk messages dropped ** [ 963.957110] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 963.957158] 0 pages in swap cache [ 963.957162] Swap cache stats: add 0, delete 0, find 0/0 [ 963.957164] Free swap = 0kB [ 963.957166] Total swap = 0kB [ 963.957168] 1965979 pages RAM [ 963.957170] 0 pages HighMem/MovableOnly [ 963.957173] 313617 pages reserved [ 963.960764] syz-execprog: page allocation stalls for 190010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 963.960771] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 963.960783] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 963.960793] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 963.960803] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 963.960805] Call Trace: [ 963.960814] [] dump_stack+0xc1/0x128 [ 963.960822] [] warn_alloc.cold.31+0x7f/0x9c [ 963.960830] [] ? zone_watermark_ok_safe+0x250/0x250 [ 963.960837] [] ? shrink_node+0x740/0x740 [ 963.960846] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 963.960853] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 963.960862] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 963.960869] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 963.960876] [] ? find_get_entry+0x11a/0x570 [ 963.960884] [] ? find_get_entry+0x141/0x570 [ 963.960890] [] ? page_cache_prev_hole+0x80/0x80 [ 963.960898] [] ? autoremove_wake_function+0x40/0x40 [ 963.960905] [] ? pagecache_get_page+0x131/0x710 [ 963.960913] [] filemap_fault+0xaf1/0x1110 [ 963.960920] [] ext4_filemap_fault+0x71/0xa0 [ 963.960927] [] __do_fault+0x223/0x500 [ 963.960939] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 963.960947] [] ? generic_file_readonly_mmap+0x190/0x190 [ 963.960954] [] handle_mm_fault+0x1326/0x2350 [ 963.960962] [] ? ep_poll+0x18f/0xb20 [ 963.960970] [] ? vm_insert_page+0x6f0/0x6f0 [ 963.960977] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 963.960985] [] __do_page_fault+0x403/0xa60 [ 963.960993] [] ? __fget_light+0x169/0x1f0 [ 963.961000] [] ? bad_area_access_error+0x3a0/0x3a0 [ 963.961008] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 963.961016] [] do_page_fault+0x27/0x30 [ 963.961022] [] page_fault+0x25/0x30 [ 963.961025] Mem-Info: [ 963.961041] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 963.961041] active_file:6 inactive_file:25 isolated_file:0 [ 963.961041] unevictable:0 dirty:0 writeback:0 unstable:0 [ 963.961041] slab_reclaimable:4624 slab_unreclaimable:56988 [ 963.961041] mapped:4 shmem:48 pagetables:377 bounce:0 [ 963.961041] free:5991 free_pcp:77 free_cma:0 [ 963.961054] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 963.961071] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 963.961097] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 963.961151] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 963.961198] 0 pages in swap cache [ 963.961202] Swap cache stats: add 0, delete 0, find 0/0 [ 963.961204] Free swap = 0kB [ 963.961206] Total swap = 0kB [ 963.961209] 1965979 pages RAM [ 963.961211] 0 pages HighMem/MovableOnly [ 963.961213] 313617 pages reserved [ 963.988125] syz-executor.1: page allocation stalls for 190040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 963.988133] CPU: 1 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 963.988145] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 963.988155] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 963.988165] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 963.988167] Call Trace: [ 963.988178] [] dump_stack+0xc1/0x128 [ 963.988186] [] warn_alloc.cold.31+0x7f/0x9c [ 963.988194] [] ? zone_watermark_ok_safe+0x250/0x250 [ 963.988202] [] ? shrink_node+0x740/0x740 [ 963.988211] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 963.988220] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 963.988229] [] ? check_preemption_disabled+0x3b/0x200 [ 963.988236] [] ? find_get_entry+0x11a/0x570 [ 963.988243] [] ? find_get_entry+0x141/0x570 [ 963.988250] [] ? page_cache_prev_hole+0x80/0x80 [ 963.988258] [] ? pagecache_get_page+0x131/0x710 [ 963.988265] [] filemap_fault+0xaf1/0x1110 [ 963.988273] [] ext4_filemap_fault+0x71/0xa0 [ 963.988279] [] __do_fault+0x223/0x500 [ 963.988286] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 963.988294] [] ? generic_file_readonly_mmap+0x190/0x190 [ 963.988301] [] handle_mm_fault+0x1326/0x2350 [ 963.988308] [] ? vm_insert_page+0x6f0/0x6f0 [ 963.988317] [] __do_page_fault+0x403/0xa60 [ 963.988325] [] ? bad_area_access_error+0x3a0/0x3a0 [ 963.988333] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 963.988340] [] do_page_fault+0x27/0x30 [ 963.988348] [] page_fault+0x25/0x30 [ 963.988351] Mem-Info: [ 963.988366] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 963.988366] active_file:6 inactive_file:25 isolated_file:0 [ 963.988366] unevictable:0 dirty:0 writeback:0 unstable:0 [ 963.988366] slab_reclaimable:4624 slab_unreclaimable:56988 [ 963.988366] mapped:4 shmem:48 pagetables:377 bounce:0 [ 963.988366] free:5991 free_pcp:77 free_cma:0 [ 963.988379] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 963.988397] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 963.988423] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 963.988481] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 963.988529] 0 pages in swap cache [ 963.988533] Swap cache stats: add 0, delete 0, find 0/0 [ 963.988535] Free swap = 0kB [ 963.988537] Total swap = 0kB [ 963.988539] 1965979 pages RAM [ 963.988541] 0 pages HighMem/MovableOnly [ 963.988543] 313617 pages reserved [ 964.009522] syz-execprog: page allocation stalls for 190020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 964.009529] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 964.009541] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 964.009552] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 964.009561] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 964.009563] Call Trace: [ 964.009573] [] dump_stack+0xc1/0x128 [ 964.009581] [] warn_alloc.cold.31+0x7f/0x9c [ 964.009589] [] ? zone_watermark_ok_safe+0x250/0x250 [ 964.009597] [] ? shrink_node+0x740/0x740 [ 964.009605] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 964.009613] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 964.009622] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 964.009630] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 964.009637] [] ? find_get_entry+0x11a/0x570 [ 964.009644] [] ? find_get_entry+0x141/0x570 [ 964.009651] [] ? page_cache_prev_hole+0x80/0x80 [ 964.009659] [] ? autoremove_wake_function+0x40/0x40 [ 964.009666] [] ? pagecache_get_page+0x131/0x710 [ 964.009674] [] filemap_fault+0xaf1/0x1110 [ 964.009682] [] ext4_filemap_fault+0x71/0xa0 [ 964.009688] [] __do_fault+0x223/0x500 [ 964.009695] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 964.009703] [] ? generic_file_readonly_mmap+0x190/0x190 [ 964.009710] [] handle_mm_fault+0x1326/0x2350 [ 964.009718] [] ? vm_insert_page+0x6f0/0x6f0 [ 964.009724] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 964.009731] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 964.009740] [] __do_page_fault+0x403/0xa60 [ 964.009747] [] ? bad_area_access_error+0x3a0/0x3a0 [ 964.009756] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 964.009763] [] do_page_fault+0x27/0x30 [ 964.009770] [] page_fault+0x25/0x30 [ 964.009773] Mem-Info: [ 964.009789] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 964.009789] active_file:6 inactive_file:25 isolated_file:0 [ 964.009789] unevictable:0 dirty:0 writeback:0 unstable:0 [ 964.009789] slab_reclaimable:4624 slab_unreclaimable:56988 [ 964.009789] mapped:4 shmem:48 pagetables:377 bounce:0 [ 964.009789] free:5991 free_pcp:77 free_cma:0 [ 964.009801] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 964.009819] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 964.009844] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 964.009899] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 964.009952] 0 pages in swap cache [ 964.009956] Swap cache stats: add 0, delete 0, find 0/0 [ 964.009958] Free swap = 0kB [ 964.009960] Total swap = 0kB [ 964.009962] 1965979 pages RAM [ 964.009964] 0 pages HighMem/MovableOnly [ 964.009967] 313617 pages reserved [ 964.358108] udevd: page allocation stalls for 190010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 964.358116] CPU: 0 PID: 578 Comm: udevd Not tainted 4.9.141+ #1 [ 964.358131] ffff8801d17bf7c0 ffffffff81b42e79 1ffff1003a2f7efa ffff8801d1725f00 [ 964.358140] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d17bf908 ** 63 printk messages dropped ** [ 964.360270] [] ? pagecache_get_page+0x131/0x710 ** 49 printk messages dropped ** [ 964.433730] [] filemap_fault+0xaf1/0x1110 [ 964.433738] [] ext4_filemap_fault+0x71/0xa0 [ 964.433745] [] __do_fault+0x223/0x500 [ 964.433752] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 964.433760] [] ? handle_mm_fault+0x1d4f/0x2350 [ 964.433767] [] handle_mm_fault+0x1326/0x2350 [ 964.433774] [] ? vm_insert_page+0x6f0/0x6f0 [ 964.433783] [] ? kvm_clock_read+0x23/0x40 ** 31 printk messages dropped ** [ 966.999428] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 45 printk messages dropped ** [ 967.582553] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 ** 48 printk messages dropped ** [ 968.482884] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 968.482884] to free 124kB on behalf of 'syz-execprog' (2156) because [ 968.482884] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 968.482884] Free memory is -13540kB above reserved [ 969.492825] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 969.492825] to free 124kB on behalf of 'rsyslogd' (1894) because [ 969.492825] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 969.492825] Free memory is -13540kB above reserved [ 970.502854] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 970.502854] to free 124kB on behalf of 'syz-executor.5' (2334) because [ 970.502854] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 970.502854] Free memory is -13540kB above reserved [ 970.502865] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 970.502865] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 970.502865] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 970.502865] Free memory is -13540kB above reserved [ 971.512883] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 971.512883] to free 124kB on behalf of 'cron' (1943) because [ 971.512883] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 971.512883] Free memory is -13540kB above reserved [ 972.522869] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 972.522869] to free 124kB on behalf of 'udevd' (470) because [ 972.522869] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 972.522869] Free memory is -13540kB above reserved [ 972.522886] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 972.522886] to free 124kB on behalf of 'syz-execprog' (2171) because [ 972.522886] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 972.522886] Free memory is -13540kB above reserved [ 973.532828] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 973.532828] to free 124kB on behalf of 'syz-execprog' (2168) because [ 973.532828] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 973.532828] Free memory is -13540kB above reserved [ 973.958805] syz-execprog: page allocation stalls for 200010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 973.958813] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 973.958829] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 973.958839] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 973.958849] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 973.958851] Call Trace: [ 973.958865] [] dump_stack+0xc1/0x128 [ 973.958875] [] warn_alloc.cold.31+0x7f/0x9c [ 973.958884] [] ? zone_watermark_ok_safe+0x250/0x250 [ 973.958893] [] ? shrink_node+0x740/0x740 [ 973.958902] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 973.958909] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 973.958918] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 973.958926] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 973.958933] [] ? find_get_entry+0x11a/0x570 [ 973.958940] [] ? find_get_entry+0x141/0x570 [ 973.958947] [] ? page_cache_prev_hole+0x80/0x80 [ 973.958955] [] ? autoremove_wake_function+0x40/0x40 [ 973.958962] [] ? pagecache_get_page+0x131/0x710 [ 973.958970] [] filemap_fault+0xaf1/0x1110 [ 973.958978] [] ext4_filemap_fault+0x71/0xa0 [ 973.958985] [] __do_fault+0x223/0x500 [ 973.958992] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 973.959000] [] ? generic_file_readonly_mmap+0x190/0x190 [ 973.959007] [] handle_mm_fault+0x1326/0x2350 [ 973.959014] [] ? ep_poll+0x18f/0xb20 [ 973.959021] [] ? vm_insert_page+0x6f0/0x6f0 [ 973.959029] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 973.959038] [] __do_page_fault+0x403/0xa60 [ 973.959047] [] ? __fget_light+0x169/0x1f0 [ 973.959054] [] ? bad_area_access_error+0x3a0/0x3a0 [ 973.959064] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 973.959071] [] do_page_fault+0x27/0x30 [ 973.959079] [] page_fault+0x25/0x30 [ 973.959082] Mem-Info: [ 973.959098] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 973.959098] active_file:6 inactive_file:25 isolated_file:0 [ 973.959098] unevictable:0 dirty:0 writeback:0 unstable:0 [ 973.959098] slab_reclaimable:4624 slab_unreclaimable:56988 [ 973.959098] mapped:4 shmem:48 pagetables:377 bounce:0 [ 973.959098] free:5991 free_pcp:77 free_cma:0 [ 973.959111] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 973.959129] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 973.959156] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 973.959211] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 973.959260] 0 pages in swap cache [ 973.959264] Swap cache stats: add 0, delete 0, find 0/0 [ 973.959266] Free swap = 0kB [ 973.959268] Total swap = 0kB [ 973.959270] 1965979 pages RAM [ 973.959272] 0 pages HighMem/MovableOnly [ 973.959274] 313617 pages reserved [ 973.963492] syz-execprog: page allocation stalls for 200040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 973.963499] CPU: 1 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 973.963512] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 973.963522] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 973.963532] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 973.963534] Call Trace: [ 973.963543] [] dump_stack+0xc1/0x128 [ 973.963551] [] warn_alloc.cold.31+0x7f/0x9c [ 973.963559] [] ? zone_watermark_ok_safe+0x250/0x250 [ 973.963567] [] ? shrink_node+0x740/0x740 [ 973.963576] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 973.963585] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 973.963592] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 973.963600] [] ? find_get_entry+0x11a/0x570 [ 973.963607] [] ? find_get_entry+0x141/0x570 [ 973.963613] [] ? page_cache_prev_hole+0x80/0x80 [ 973.963621] [] ? autoremove_wake_function+0x40/0x40 [ 973.963629] [] ? pagecache_get_page+0x131/0x710 [ 973.963636] [] filemap_fault+0xaf1/0x1110 [ 973.963644] [] ext4_filemap_fault+0x71/0xa0 ** 18 printk messages dropped ** [ 973.963821] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 ** 1 printk messages dropped ** [ 973.963917] Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 973.963922] 0 pages in swap cache [ 973.963926] Swap cache stats: add 0, delete 0, find 0/0 [ 973.963928] Free swap = 0kB [ 973.963930] Total swap = 0kB [ 973.963932] 1965979 pages RAM [ 973.963934] 0 pages HighMem/MovableOnly [ 973.963937] 313617 pages reserved [ 973.965259] rsyslogd: page allocation stalls for 200050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 973.965266] CPU: 1 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 973.965277] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 973.965286] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 973.965296] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 973.965298] Call Trace: [ 973.965306] [] dump_stack+0xc1/0x128 [ 973.965313] [] warn_alloc.cold.31+0x7f/0x9c [ 973.965321] [] ? zone_watermark_ok_safe+0x250/0x250 [ 973.965329] [] ? shrink_node+0x740/0x740 [ 973.965338] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 973.965346] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 973.965355] [] ? check_preemption_disabled+0x3b/0x200 [ 973.965362] [] ? find_get_entry+0x11a/0x570 [ 973.965369] [] ? find_get_entry+0x141/0x570 [ 973.965376] [] ? page_cache_prev_hole+0x80/0x80 [ 973.965384] [] ? autoremove_wake_function+0x40/0x40 [ 973.965391] [] ? pagecache_get_page+0x131/0x710 [ 973.965399] [] filemap_fault+0xaf1/0x1110 [ 973.965406] [] ext4_filemap_fault+0x71/0xa0 [ 973.965413] [] __do_fault+0x223/0x500 [ 973.965419] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 973.965427] [] ? generic_file_readonly_mmap+0x190/0x190 [ 973.965434] [] handle_mm_fault+0x1326/0x2350 [ 973.965441] [] ? vm_insert_page+0x6f0/0x6f0 [ 973.965449] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 973.965457] [] __do_page_fault+0x403/0xa60 [ 973.965464] [] ? bad_area_access_error+0x3a0/0x3a0 [ 973.965473] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 973.965480] [] do_page_fault+0x27/0x30 [ 973.965487] [] page_fault+0x25/0x30 [ 973.965489] Mem-Info: [ 973.965504] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 973.965504] active_file:6 inactive_file:25 isolated_file:0 [ 973.965504] unevictable:0 dirty:0 writeback:0 unstable:0 [ 973.965504] slab_reclaimable:4624 slab_unreclaimable:56988 [ 973.965504] mapped:4 shmem:48 pagetables:377 bounce:0 [ 973.965504] free:5991 free_pcp:77 free_cma:0 [ 973.965517] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 973.965534] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 973.965560] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 973.965614] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 973.965661] 0 pages in swap cache [ 973.965664] Swap cache stats: add 0, delete 0, find 0/0 [ 973.965666] Free swap = 0kB [ 973.965668] Total swap = 0kB [ 973.965671] 1965979 pages RAM [ 973.965673] 0 pages HighMem/MovableOnly [ 973.965675] 313617 pages reserved [ 973.971851] syz-executor.1: page allocation stalls for 200020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 973.971858] CPU: 0 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 973.971869] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 973.971879] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 973.971889] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 973.971891] Call Trace: [ 973.971899] [] dump_stack+0xc1/0x128 [ 973.971907] [] warn_alloc.cold.31+0x7f/0x9c [ 973.971915] [] ? zone_watermark_ok_safe+0x250/0x250 [ 973.971923] [] ? shrink_node+0x740/0x740 [ 973.971931] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 973.971940] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 973.971948] [] ? check_preemption_disabled+0x3b/0x200 [ 973.971955] [] ? find_get_entry+0x11a/0x570 [ 973.971962] [] ? find_get_entry+0x141/0x570 [ 973.971969] [] ? page_cache_prev_hole+0x80/0x80 [ 973.971977] [] ? pagecache_get_page+0x131/0x710 [ 973.971984] [] filemap_fault+0xaf1/0x1110 [ 973.971992] [] ext4_filemap_fault+0x71/0xa0 [ 973.971998] [] __do_fault+0x223/0x500 [ 973.972005] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 973.972013] [] ? generic_file_readonly_mmap+0x190/0x190 [ 973.972020] [] handle_mm_fault+0x1326/0x2350 [ 973.972027] [] ? vm_insert_page+0x6f0/0x6f0 [ 973.972036] [] __do_page_fault+0x403/0xa60 [ 973.972043] [] ? bad_area_access_error+0x3a0/0x3a0 [ 973.972052] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 973.972058] [] do_page_fault+0x27/0x30 [ 973.972065] [] page_fault+0x25/0x30 [ 973.972068] Mem-Info: [ 973.972083] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 973.972083] active_file:6 inactive_file:25 isolated_file:0 [ 973.972083] unevictable:0 dirty:0 writeback:0 unstable:0 [ 973.972083] slab_reclaimable:4624 slab_unreclaimable:56988 [ 973.972083] mapped:4 shmem:48 pagetables:377 bounce:0 [ 973.972083] free:5991 free_pcp:77 free_cma:0 [ 973.972096] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 973.972113] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 973.972139] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 973.972192] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 973.972239] 0 pages in swap cache [ 973.972243] Swap cache stats: add 0, delete 0, find 0/0 [ 973.972245] Free swap = 0kB [ 973.972247] Total swap = 0kB [ 973.972250] 1965979 pages RAM [ 973.972252] 0 pages HighMem/MovableOnly [ 973.972254] 313617 pages reserved [ 974.023519] syz-execprog: page allocation stalls for 200040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 974.023527] CPU: 1 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 974.023541] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 974.023551] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 974.023561] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 974.023563] Call Trace: [ 974.023575] [] dump_stack+0xc1/0x128 [ 974.023584] [] warn_alloc.cold.31+0x7f/0x9c [ 974.023593] [] ? zone_watermark_ok_safe+0x250/0x250 [ 974.023600] [] ? shrink_node+0x740/0x740 [ 974.023610] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 974.023617] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 974.023626] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 974.023634] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 974.023641] [] ? find_get_entry+0x11a/0x570 [ 974.023648] [] ? find_get_entry+0x141/0x570 [ 974.023655] [] ? page_cache_prev_hole+0x80/0x80 [ 974.023663] [] ? autoremove_wake_function+0x40/0x40 [ 974.023671] [] ? pagecache_get_page+0x131/0x710 [ 974.023678] [] filemap_fault+0xaf1/0x1110 [ 974.023687] [] ext4_filemap_fault+0x71/0xa0 [ 974.023694] [] __do_fault+0x223/0x500 [ 974.023700] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 974.023708] [] ? generic_file_readonly_mmap+0x190/0x190 [ 974.023715] [] handle_mm_fault+0x1326/0x2350 [ 974.023722] [] ? vm_insert_page+0x6f0/0x6f0 [ 974.023729] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 974.023736] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 974.023745] [] __do_page_fault+0x403/0xa60 [ 974.023753] [] ? bad_area_access_error+0x3a0/0x3a0 [ 974.023763] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 974.023770] [] do_page_fault+0x27/0x30 [ 974.023777] [] page_fault+0x25/0x30 [ 974.023786] Mem-Info: [ 974.023802] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 974.023802] active_file:6 inactive_file:25 isolated_file:0 [ 974.023802] unevictable:0 dirty:0 writeback:0 unstable:0 [ 974.023802] slab_reclaimable:4624 slab_unreclaimable:56988 [ 974.023802] mapped:4 shmem:48 pagetables:377 bounce:0 [ 974.023802] free:5991 free_pcp:77 free_cma:0 [ 974.023815] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 974.023833] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 974.023860] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 974.023915] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 974.023963] 0 pages in swap cache [ 974.023967] Swap cache stats: add 0, delete 0, find 0/0 [ 974.023969] Free swap = 0kB [ 974.023971] Total swap = 0kB [ 974.023973] 1965979 pages RAM [ 974.023975] 0 pages HighMem/MovableOnly [ 974.023977] 313617 pages reserved [ 974.358145] udevd: page allocation stalls for 200010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 974.358154] CPU: 0 PID: 578 Comm: udevd Not tainted 4.9.141+ #1 [ 974.358169] ffff8801d17bf7c0 ffffffff81b42e79 1ffff1003a2f7efa ffff8801d1725f00 [ 974.358180] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d17bf908 [ 974.358189] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 974.358191] Call Trace: [ 974.358205] [] dump_stack+0xc1/0x128 [ 974.358215] [] warn_alloc.cold.31+0x7f/0x9c [ 974.358224] [] ? zone_watermark_ok_safe+0x250/0x250 [ 974.358233] [] ? shrink_node+0x740/0x740 ** 64 printk messages dropped ** [ 974.391501] [] ? vm_insert_page+0x6f0/0x6f0 [ 974.391509] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 44 printk messages dropped ** [ 974.438299] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 974.438307] [] ? handle_mm_fault+0x1d4f/0x2350 [ 974.438314] [] handle_mm_fault+0x1326/0x2350 [ 974.438321] [] ? vm_insert_page+0x6f0/0x6f0 [ 974.438331] [] ? kvm_clock_read+0x23/0x40 [ 974.438338] [] ? kvm_clock_get_cycles+0x9/0x10 [ 974.438346] [] __do_page_fault+0x403/0xa60 [ 974.438354] [] ? bad_area_access_error+0x3a0/0x3a0 [ 974.438363] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 974.438370] [] do_page_fault+0x27/0x30 [ 974.438377] [] page_fault+0x25/0x30 [ 974.438381] Mem-Info: [ 974.438397] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 974.438397] active_file:6 inactive_file:25 isolated_file:0 [ 974.438397] unevictable:0 dirty:0 writeback:0 unstable:0 [ 974.438397] slab_reclaimable:4624 slab_unreclaimable:56988 [ 974.438397] mapped:4 shmem:48 pagetables:377 bounce:0 [ 974.438397] free:5991 free_pcp:77 free_cma:0 ** 70 printk messages dropped ** [ 977.580204] init: page allocation stalls for 200010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 46 printk messages dropped ** [ 977.580657] 0 pages HighMem/MovableOnly [ 977.580659] 313617 pages reserved [ 978.583381] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 978.583381] to free 124kB on behalf of 'syz-executor.5' (2334) because [ 978.583381] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 978.583381] Free memory is -13540kB above reserved [ 979.592862] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 979.592862] to free 124kB on behalf of 'rsyslogd' (1894) because [ 979.592862] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 979.592862] Free memory is -13540kB above reserved [ 979.592874] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 979.592874] to free 124kB on behalf of 'syz-execprog' (2156) because [ 979.592874] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 979.592874] Free memory is -13540kB above reserved [ 980.602827] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 980.602827] to free 124kB on behalf of 'syz-executor.1' (2175) because [ 980.602827] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 980.602827] Free memory is -13540kB above reserved [ 981.612860] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 981.612860] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 981.612860] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 981.612860] Free memory is -13540kB above reserved [ 981.612871] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 981.612871] to free 124kB on behalf of 'udevd' (578) because [ 981.612871] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 981.612871] Free memory is -13540kB above reserved [ 982.622833] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 982.622833] to free 124kB on behalf of 'syz-execprog' (2171) because [ 982.622833] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 982.622833] Free memory is -13540kB above reserved [ 983.632849] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 983.632849] to free 124kB on behalf of 'rsyslogd' (1894) because [ 983.632849] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 983.632849] Free memory is -13540kB above reserved [ 983.951175] rsyslogd: page allocation stalls for 210030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 983.951184] CPU: 0 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 983.951200] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 983.951210] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 983.951220] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 983.951222] Call Trace: [ 983.951236] [] dump_stack+0xc1/0x128 [ 983.951245] [] warn_alloc.cold.31+0x7f/0x9c [ 983.951254] [] ? zone_watermark_ok_safe+0x250/0x250 [ 983.951263] [] ? shrink_node+0x740/0x740 [ 983.951272] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 983.951281] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 983.951290] [] ? check_preemption_disabled+0x3b/0x200 [ 983.951297] [] ? find_get_entry+0x11a/0x570 [ 983.951305] [] ? find_get_entry+0x141/0x570 [ 983.951311] [] ? page_cache_prev_hole+0x80/0x80 [ 983.951321] [] ? autoremove_wake_function+0x40/0x40 [ 983.951328] [] ? pagecache_get_page+0x131/0x710 [ 983.951336] [] filemap_fault+0xaf1/0x1110 [ 983.951345] [] ext4_filemap_fault+0x71/0xa0 [ 983.951352] [] __do_fault+0x223/0x500 [ 983.951358] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 983.951366] [] ? generic_file_readonly_mmap+0x190/0x190 [ 983.951373] [] handle_mm_fault+0x1326/0x2350 [ 983.951381] [] ? vm_insert_page+0x6f0/0x6f0 [ 983.951388] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 983.951397] [] __do_page_fault+0x403/0xa60 [ 983.951404] [] ? bad_area_access_error+0x3a0/0x3a0 [ 983.951413] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 983.951420] [] do_page_fault+0x27/0x30 [ 983.951428] [] page_fault+0x25/0x30 [ 983.951432] Mem-Info: [ 983.951448] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 983.951448] active_file:6 inactive_file:25 isolated_file:0 [ 983.951448] unevictable:0 dirty:0 writeback:0 unstable:0 [ 983.951448] slab_reclaimable:4624 slab_unreclaimable:56988 [ 983.951448] mapped:4 shmem:48 pagetables:377 bounce:0 [ 983.951448] free:5991 free_pcp:77 free_cma:0 [ 983.951461] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 983.951479] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 983.951505] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 983.951560] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 983.951608] 0 pages in swap cache [ 983.951612] Swap cache stats: add 0, delete 0, find 0/0 [ 983.951614] Free swap = 0kB [ 983.951616] Total swap = 0kB [ 983.951619] 1965979 pages RAM [ 983.951621] 0 pages HighMem/MovableOnly [ 983.951623] 313617 pages reserved [ 983.958121] syz-executor.1: page allocation stalls for 210010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 983.958127] CPU: 1 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 983.958145] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 983.958155] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 983.958165] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 983.958166] Call Trace: [ 983.958176] [] dump_stack+0xc1/0x128 [ 983.958184] [] warn_alloc.cold.31+0x7f/0x9c [ 983.958192] [] ? zone_watermark_ok_safe+0x250/0x250 [ 983.958200] [] ? shrink_node+0x740/0x740 [ 983.958209] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 983.958218] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 983.958226] [] ? check_preemption_disabled+0x3b/0x200 ** 23 printk messages dropped ** [ 983.958474] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 983.958522] 0 pages in swap cache [ 983.958526] Swap cache stats: add 0, delete 0, find 0/0 [ 983.958528] Free swap = 0kB [ 983.958530] Total swap = 0kB [ 983.958533] 1965979 pages RAM [ 983.958535] 0 pages HighMem/MovableOnly [ 983.958537] 313617 pages reserved [ 983.961311] syz-execprog: page allocation stalls for 210030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 983.961318] CPU: 1 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 983.961329] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 983.961339] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 983.961349] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 983.961351] Call Trace: [ 983.961359] [] dump_stack+0xc1/0x128 [ 983.961367] [] warn_alloc.cold.31+0x7f/0x9c [ 983.961375] [] ? zone_watermark_ok_safe+0x250/0x250 [ 983.961383] [] ? shrink_node+0x740/0x740 [ 983.961392] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 983.961401] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 983.961409] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 983.961416] [] ? find_get_entry+0x11a/0x570 [ 983.961423] [] ? find_get_entry+0x141/0x570 [ 983.961430] [] ? page_cache_prev_hole+0x80/0x80 [ 983.961438] [] ? autoremove_wake_function+0x40/0x40 [ 983.961445] [] ? pagecache_get_page+0x131/0x710 [ 983.961453] [] filemap_fault+0xaf1/0x1110 [ 983.961460] [] ext4_filemap_fault+0x71/0xa0 [ 983.961467] [] __do_fault+0x223/0x500 [ 983.961474] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 983.961482] [] ? generic_file_readonly_mmap+0x190/0x190 [ 983.961489] [] handle_mm_fault+0x1326/0x2350 [ 983.961497] [] ? poll_select_set_timeout+0xb5/0x120 [ 983.961504] [] ? vm_insert_page+0x6f0/0x6f0 [ 983.961512] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 983.961519] [] __do_page_fault+0x403/0xa60 [ 983.961527] [] ? __fget_light+0x169/0x1f0 [ 983.961534] [] ? bad_area_access_error+0x3a0/0x3a0 [ 983.961543] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 983.961550] [] do_page_fault+0x27/0x30 [ 983.961556] [] page_fault+0x25/0x30 [ 983.961559] Mem-Info: [ 983.961574] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 983.961574] active_file:6 inactive_file:25 isolated_file:0 [ 983.961574] unevictable:0 dirty:0 writeback:0 unstable:0 [ 983.961574] slab_reclaimable:4624 slab_unreclaimable:56988 [ 983.961574] mapped:4 shmem:48 pagetables:377 bounce:0 [ 983.961574] free:5991 free_pcp:77 free_cma:0 [ 983.961587] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 983.961604] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 983.961630] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 983.961684] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 983.961731] 0 pages in swap cache [ 983.961735] Swap cache stats: add 0, delete 0, find 0/0 [ 983.961737] Free swap = 0kB [ 983.961739] Total swap = 0kB [ 983.961741] 1965979 pages RAM [ 983.961743] 0 pages HighMem/MovableOnly [ 983.961745] 313617 pages reserved [ 983.978103] syz-execprog: page allocation stalls for 210030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 983.978110] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 983.978122] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 983.978131] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 983.978140] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 983.978141] Call Trace: [ 983.978151] [] dump_stack+0xc1/0x128 [ 983.978159] [] warn_alloc.cold.31+0x7f/0x9c [ 983.978167] [] ? zone_watermark_ok_safe+0x250/0x250 [ 983.978175] [] ? shrink_node+0x740/0x740 [ 983.978184] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 983.978191] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 983.978200] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 983.978207] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 983.978214] [] ? find_get_entry+0x11a/0x570 [ 983.978222] [] ? find_get_entry+0x141/0x570 [ 983.978229] [] ? page_cache_prev_hole+0x80/0x80 [ 983.978237] [] ? autoremove_wake_function+0x40/0x40 [ 983.978244] [] ? pagecache_get_page+0x131/0x710 [ 983.978251] [] filemap_fault+0xaf1/0x1110 [ 983.978259] [] ext4_filemap_fault+0x71/0xa0 [ 983.978265] [] __do_fault+0x223/0x500 [ 983.978272] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 983.978280] [] ? generic_file_readonly_mmap+0x190/0x190 [ 983.978287] [] handle_mm_fault+0x1326/0x2350 [ 983.978295] [] ? ep_poll+0x18f/0xb20 [ 983.978302] [] ? vm_insert_page+0x6f0/0x6f0 [ 983.978310] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 983.978318] [] __do_page_fault+0x403/0xa60 [ 983.978325] [] ? __fget_light+0x169/0x1f0 [ 983.978332] [] ? bad_area_access_error+0x3a0/0x3a0 [ 983.978341] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 983.978348] [] do_page_fault+0x27/0x30 [ 983.978355] [] page_fault+0x25/0x30 [ 983.978358] Mem-Info: [ 983.978373] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 983.978373] active_file:6 inactive_file:25 isolated_file:0 [ 983.978373] unevictable:0 dirty:0 writeback:0 unstable:0 [ 983.978373] slab_reclaimable:4624 slab_unreclaimable:56988 [ 983.978373] mapped:4 shmem:48 pagetables:377 bounce:0 [ 983.978373] free:5991 free_pcp:77 free_cma:0 [ 983.978386] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 983.978404] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 983.978429] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 983.978483] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 983.978530] 0 pages in swap cache [ 983.978534] Swap cache stats: add 0, delete 0, find 0/0 [ 983.978536] Free swap = 0kB [ 983.978538] Total swap = 0kB [ 983.978540] 1965979 pages RAM [ 983.978542] 0 pages HighMem/MovableOnly [ 983.978545] 313617 pages reserved [ 984.010366] syz-execprog: page allocation stalls for 210020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 984.010373] CPU: 1 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 984.010387] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 984.010397] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 984.010407] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 984.010409] Call Trace: [ 984.010421] [] dump_stack+0xc1/0x128 [ 984.010430] [] warn_alloc.cold.31+0x7f/0x9c [ 984.010438] [] ? zone_watermark_ok_safe+0x250/0x250 [ 984.010446] [] ? shrink_node+0x740/0x740 [ 984.010455] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 984.010462] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 984.010471] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 984.010479] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 984.010486] [] ? find_get_entry+0x11a/0x570 [ 984.010493] [] ? find_get_entry+0x141/0x570 [ 984.010500] [] ? page_cache_prev_hole+0x80/0x80 [ 984.010508] [] ? autoremove_wake_function+0x40/0x40 [ 984.010516] [] ? pagecache_get_page+0x131/0x710 [ 984.010523] [] filemap_fault+0xaf1/0x1110 [ 984.010531] [] ext4_filemap_fault+0x71/0xa0 [ 984.010538] [] __do_fault+0x223/0x500 [ 984.010545] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 984.010553] [] ? generic_file_readonly_mmap+0x190/0x190 [ 984.010560] [] handle_mm_fault+0x1326/0x2350 [ 984.010567] [] ? vm_insert_page+0x6f0/0x6f0 [ 984.010574] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 984.010581] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 984.010590] [] __do_page_fault+0x403/0xa60 [ 984.010597] [] ? bad_area_access_error+0x3a0/0x3a0 [ 984.010606] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 984.010613] [] do_page_fault+0x27/0x30 [ 984.010621] [] page_fault+0x25/0x30 [ 984.010624] Mem-Info: [ 984.010640] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 984.010640] active_file:6 inactive_file:25 isolated_file:0 [ 984.010640] unevictable:0 dirty:0 writeback:0 unstable:0 [ 984.010640] slab_reclaimable:4624 slab_unreclaimable:56988 [ 984.010640] mapped:4 shmem:48 pagetables:377 bounce:0 [ 984.010640] free:5991 free_pcp:77 free_cma:0 [ 984.010652] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 984.010670] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 984.010696] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227436kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:188kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 984.010751] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 984.010799] 0 pages in swap cache [ 984.010803] Swap cache stats: add 0, delete 0, find 0/0 [ 984.010805] Free swap = 0kB [ 984.010807] Total swap = 0kB [ 984.010809] 1965979 pages RAM [ 984.010812] 0 pages HighMem/MovableOnly [ 984.010814] 313617 pages reserved [ 984.374005] udevd: page allocation stalls for 210030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 984.374013] CPU: 0 PID: 578 Comm: udevd Not tainted 4.9.141+ #1 [ 984.374028] ffff8801d17bf7c0 ffffffff81b42e79 1ffff1003a2f7efa ffff8801d1725f00 [ 984.374038] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d17bf908 [ 984.374048] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 12 printk messages dropped ** [ 984.374156] [] ? autoremove_wake_function+0x40/0x40 ** 59 printk messages dropped ** [ 984.378146] [] ? bad_area_access_error+0x3a0/0x3a0 ** 49 printk messages dropped ** [ 984.473974] [] ? bad_area_access_error+0x3a0/0x3a0 [ 984.473983] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 984.473990] [] do_page_fault+0x27/0x30 [ 984.473998] [] page_fault+0x25/0x30 [ 984.474001] Mem-Info: [ 984.474017] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 984.474017] active_file:6 inactive_file:25 isolated_file:0 [ 984.474017] unevictable:0 dirty:0 writeback:0 unstable:0 [ 984.474017] slab_reclaimable:4624 slab_unreclaimable:56988 [ 984.474017] mapped:4 shmem:48 pagetables:377 bounce:0 [ 984.474017] free:5991 free_pcp:77 free_cma:0 [ 984.474030] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 984.474047] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 119 printk messages dropped ** [ 989.692876] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 989.692876] to free 124kB on behalf of 'rsyslogd' (1894) because [ 989.692876] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 989.692876] Free memory is -13540kB above reserved [ 990.702809] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 990.702809] to free 124kB on behalf of 'syz-execprog' (2171) because [ 990.702809] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 990.702809] Free memory is -13540kB above reserved [ 991.712828] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 991.712828] to free 124kB on behalf of 'rsyslogd' (1894) because [ 991.712828] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 991.712828] Free memory is -13540kB above reserved [ 991.712839] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 991.712839] to free 124kB on behalf of 'syz-executor.1' (2175) because [ 991.712839] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 991.712839] Free memory is -13540kB above reserved [ 992.722845] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 992.722845] to free 124kB on behalf of 'syz-executor.1' (2175) because [ 992.722845] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 992.722845] Free memory is -13540kB above reserved [ 993.732857] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 993.732857] to free 124kB on behalf of 'syz-execprog' (2154) because [ 993.732857] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 993.732857] Free memory is -13540kB above reserved [ 993.938134] rsyslogd: page allocation stalls for 220020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 993.938143] CPU: 1 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 993.938159] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 993.938169] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 993.938179] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 993.938181] Call Trace: [ 993.938195] [] dump_stack+0xc1/0x128 [ 993.938205] [] warn_alloc.cold.31+0x7f/0x9c [ 993.938214] [] ? zone_watermark_ok_safe+0x250/0x250 [ 993.938223] [] ? shrink_node+0x740/0x740 [ 993.938232] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 993.938241] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 993.938250] [] ? check_preemption_disabled+0x3b/0x200 [ 993.938257] [] ? find_get_entry+0x11a/0x570 [ 993.938265] [] ? find_get_entry+0x141/0x570 [ 993.938272] [] ? page_cache_prev_hole+0x80/0x80 [ 993.938280] [] ? autoremove_wake_function+0x40/0x40 [ 993.938288] [] ? pagecache_get_page+0x131/0x710 [ 993.938295] [] filemap_fault+0xaf1/0x1110 [ 993.938304] [] ext4_filemap_fault+0x71/0xa0 [ 993.938311] [] __do_fault+0x223/0x500 [ 993.938318] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 993.938326] [] ? generic_file_readonly_mmap+0x190/0x190 [ 993.938333] [] handle_mm_fault+0x1326/0x2350 [ 993.938340] [] ? vm_insert_page+0x6f0/0x6f0 [ 993.938348] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 993.938357] [] __do_page_fault+0x403/0xa60 [ 993.938365] [] ? bad_area_access_error+0x3a0/0x3a0 [ 993.938374] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 993.938381] [] do_page_fault+0x27/0x30 [ 993.938390] [] page_fault+0x25/0x30 [ 993.938394] Mem-Info: [ 993.938410] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 993.938410] active_file:6 inactive_file:25 isolated_file:0 [ 993.938410] unevictable:0 dirty:0 writeback:0 unstable:0 [ 993.938410] slab_reclaimable:4624 slab_unreclaimable:56989 [ 993.938410] mapped:4 shmem:48 pagetables:377 bounce:0 [ 993.938410] free:5991 free_pcp:76 free_cma:0 [ 993.938423] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 993.938442] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 993.938468] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227440kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:184kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 993.938528] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 993.938576] 0 pages in swap cache [ 993.938580] Swap cache stats: add 0, delete 0, find 0/0 [ 993.938582] Free swap = 0kB [ 993.938584] Total swap = 0kB [ 993.938587] 1965979 pages RAM [ 993.938589] 0 pages HighMem/MovableOnly [ 993.938591] 313617 pages reserved [ 993.978089] syz-execprog: page allocation stalls for 220030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 993.978097] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 993.978112] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 993.978122] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 993.978132] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 993.978133] Call Trace: [ 993.978146] [] dump_stack+0xc1/0x128 [ 993.978155] [] warn_alloc.cold.31+0x7f/0x9c [ 993.978164] [] ? zone_watermark_ok_safe+0x250/0x250 [ 993.978172] [] ? shrink_node+0x740/0x740 [ 993.978181] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 993.978188] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 993.978197] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 29 printk messages dropped ** [ 993.978538] Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 993.978543] 0 pages in swap cache [ 993.978547] Swap cache stats: add 0, delete 0, find 0/0 [ 993.978549] Free swap = 0kB [ 993.978551] Total swap = 0kB [ 993.978554] 1965979 pages RAM [ 993.978556] 0 pages HighMem/MovableOnly [ 993.978558] 313617 pages reserved [ 993.983555] syz-execprog: page allocation stalls for 220060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 993.983561] CPU: 0 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 993.983573] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 993.983583] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 993.983591] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 993.983593] Call Trace: [ 993.983602] [] dump_stack+0xc1/0x128 [ 993.983609] [] warn_alloc.cold.31+0x7f/0x9c [ 993.983616] [] ? zone_watermark_ok_safe+0x250/0x250 [ 993.983623] [] ? shrink_node+0x740/0x740 [ 993.983631] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 993.983640] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 993.983647] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 993.983654] [] ? find_get_entry+0x11a/0x570 [ 993.983660] [] ? find_get_entry+0x141/0x570 [ 993.983666] [] ? page_cache_prev_hole+0x80/0x80 [ 993.983674] [] ? autoremove_wake_function+0x40/0x40 [ 993.983680] [] ? pagecache_get_page+0x131/0x710 [ 993.983687] [] filemap_fault+0xaf1/0x1110 [ 993.983694] [] ext4_filemap_fault+0x71/0xa0 [ 993.983700] [] __do_fault+0x223/0x500 [ 993.983707] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 993.983714] [] ? generic_file_readonly_mmap+0x190/0x190 [ 993.983721] [] handle_mm_fault+0x1326/0x2350 [ 993.983729] [] ? poll_select_set_timeout+0xb5/0x120 [ 993.983735] [] ? vm_insert_page+0x6f0/0x6f0 [ 993.983742] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 993.983750] [] __do_page_fault+0x403/0xa60 [ 993.983756] [] ? __fget_light+0x169/0x1f0 [ 993.983763] [] ? bad_area_access_error+0x3a0/0x3a0 [ 993.983771] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 993.983778] [] do_page_fault+0x27/0x30 [ 993.983784] [] page_fault+0x25/0x30 [ 993.983787] Mem-Info: [ 993.983801] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 993.983801] active_file:6 inactive_file:25 isolated_file:0 [ 993.983801] unevictable:0 dirty:0 writeback:0 unstable:0 [ 993.983801] slab_reclaimable:4624 slab_unreclaimable:56989 [ 993.983801] mapped:4 shmem:48 pagetables:377 bounce:0 [ 993.983801] free:5991 free_pcp:76 free_cma:0 [ 993.983813] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 993.983829] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 993.983853] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227440kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:184kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 993.983901] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 993.983943] 0 pages in swap cache [ 993.983947] Swap cache stats: add 0, delete 0, find 0/0 [ 993.983949] Free swap = 0kB [ 993.983950] Total swap = 0kB [ 993.983953] 1965979 pages RAM [ 993.983954] 0 pages HighMem/MovableOnly [ 993.983956] 313617 pages reserved [ 993.986613] syz-executor.1: page allocation stalls for 220040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 993.986619] CPU: 1 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 993.986631] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 993.986641] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 993.986651] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 993.986653] Call Trace: [ 993.986662] [] dump_stack+0xc1/0x128 [ 993.986670] [] warn_alloc.cold.31+0x7f/0x9c [ 993.986678] [] ? zone_watermark_ok_safe+0x250/0x250 [ 993.986686] [] ? shrink_node+0x740/0x740 [ 993.986694] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 993.986704] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 993.986712] [] ? check_preemption_disabled+0x3b/0x200 [ 993.986719] [] ? find_get_entry+0x11a/0x570 [ 993.986726] [] ? find_get_entry+0x141/0x570 [ 993.986733] [] ? page_cache_prev_hole+0x80/0x80 [ 993.986741] [] ? pagecache_get_page+0x131/0x710 [ 993.986748] [] filemap_fault+0xaf1/0x1110 [ 993.986756] [] ext4_filemap_fault+0x71/0xa0 [ 993.986762] [] __do_fault+0x223/0x500 [ 993.986769] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 993.986777] [] ? generic_file_readonly_mmap+0x190/0x190 [ 993.986785] [] handle_mm_fault+0x1326/0x2350 [ 993.986792] [] ? vm_insert_page+0x6f0/0x6f0 [ 993.986800] [] __do_page_fault+0x403/0xa60 [ 993.986808] [] ? bad_area_access_error+0x3a0/0x3a0 [ 993.986816] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 993.986823] [] do_page_fault+0x27/0x30 [ 993.986830] [] page_fault+0x25/0x30 [ 993.986833] Mem-Info: [ 993.986848] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 993.986848] active_file:6 inactive_file:25 isolated_file:0 [ 993.986848] unevictable:0 dirty:0 writeback:0 unstable:0 [ 993.986848] slab_reclaimable:4624 slab_unreclaimable:56989 [ 993.986848] mapped:4 shmem:48 pagetables:377 bounce:0 [ 993.986848] free:5991 free_pcp:76 free_cma:0 [ 993.986861] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 993.986878] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 993.986904] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227440kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:184kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 993.986958] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 993.987005] 0 pages in swap cache [ 993.987009] Swap cache stats: add 0, delete 0, find 0/0 [ 993.987011] Free swap = 0kB [ 993.987013] Total swap = 0kB [ 993.987015] 1965979 pages RAM [ 993.987018] 0 pages HighMem/MovableOnly [ 993.987020] 313617 pages reserved [ 994.040610] syz-execprog: page allocation stalls for 220050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 994.040618] CPU: 1 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 994.040631] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 994.040642] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 994.040651] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 994.040653] Call Trace: [ 994.040666] [] dump_stack+0xc1/0x128 [ 994.040675] [] warn_alloc.cold.31+0x7f/0x9c [ 994.040684] [] ? zone_watermark_ok_safe+0x250/0x250 [ 994.040692] [] ? shrink_node+0x740/0x740 [ 994.040701] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 994.040709] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 994.040718] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 994.040725] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 994.040733] [] ? find_get_entry+0x11a/0x570 [ 994.040740] [] ? find_get_entry+0x141/0x570 [ 994.040747] [] ? page_cache_prev_hole+0x80/0x80 [ 994.040755] [] ? autoremove_wake_function+0x40/0x40 [ 994.040762] [] ? pagecache_get_page+0x131/0x710 [ 994.040769] [] filemap_fault+0xaf1/0x1110 [ 994.040777] [] ext4_filemap_fault+0x71/0xa0 [ 994.040784] [] __do_fault+0x223/0x500 [ 994.040791] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 994.040799] [] ? generic_file_readonly_mmap+0x190/0x190 [ 994.040806] [] handle_mm_fault+0x1326/0x2350 [ 994.040813] [] ? vm_insert_page+0x6f0/0x6f0 [ 994.040820] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 994.040827] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 994.040836] [] __do_page_fault+0x403/0xa60 [ 994.040844] [] ? bad_area_access_error+0x3a0/0x3a0 [ 994.040853] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 994.040859] [] do_page_fault+0x27/0x30 [ 994.040867] [] page_fault+0x25/0x30 [ 994.040870] Mem-Info: [ 994.040886] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 994.040886] active_file:6 inactive_file:25 isolated_file:0 [ 994.040886] unevictable:0 dirty:0 writeback:0 unstable:0 [ 994.040886] slab_reclaimable:4624 slab_unreclaimable:56989 [ 994.040886] mapped:4 shmem:48 pagetables:377 bounce:0 [ 994.040886] free:5991 free_pcp:76 free_cma:0 [ 994.040900] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 994.040918] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 994.040944] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227440kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:184kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 994.040998] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 994.041046] 0 pages in swap cache [ 994.041050] Swap cache stats: add 0, delete 0, find 0/0 [ 994.041052] Free swap = 0kB [ 994.041054] Total swap = 0kB [ 994.041056] 1965979 pages RAM [ 994.041058] 0 pages HighMem/MovableOnly [ 994.041060] 313617 pages reserved [ 994.368101] udevd: page allocation stalls for 220020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 994.368110] CPU: 0 PID: 578 Comm: udevd Not tainted 4.9.141+ #1 [ 994.368125] ffff8801d17bf7c0 ffffffff81b42e79 1ffff1003a2f7efa ffff8801d1725f00 [ 994.368135] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d17bf908 [ 994.368144] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 994.368146] Call Trace: [ 994.368161] [] dump_stack+0xc1/0x128 [ 994.368171] [] warn_alloc.cold.31+0x7f/0x9c [ 994.368181] [] ? zone_watermark_ok_safe+0x250/0x250 [ 994.368190] [] ? shrink_node+0x740/0x740 [ 994.368199] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 994.368207] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 994.368215] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 994.368224] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 994.368232] [] ? find_get_entry+0x11a/0x570 [ 994.368239] [] ? find_get_entry+0x141/0x570 [ 994.368246] [] ? page_cache_prev_hole+0x80/0x80 [ 994.368254] [] ? autoremove_wake_function+0x40/0x40 [ 994.368262] [] ? pagecache_get_page+0x131/0x710 [ 994.368269] [] filemap_fault+0xaf1/0x1110 [ 994.368278] [] ext4_filemap_fault+0x71/0xa0 [ 994.368284] [] __do_fault+0x223/0x500 [ 994.368291] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 100 printk messages dropped ** [ 994.448312] [] ? vm_insert_page+0x6f0/0x6f0 ** 3 printk messages dropped ** [ 994.448343] [] ? bad_area_access_error+0x3a0/0x3a0 [ 994.448352] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 994.448359] [] do_page_fault+0x27/0x30 [ 994.448367] [] page_fault+0x25/0x30 [ 994.448370] Mem-Info: [ 994.448386] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 994.448386] active_file:6 inactive_file:25 isolated_file:0 [ 994.448386] unevictable:0 dirty:0 writeback:0 unstable:0 [ 994.448386] slab_reclaimable:4624 slab_unreclaimable:56989 [ 994.448386] mapped:4 shmem:48 pagetables:377 bounce:0 [ 994.448386] free:5991 free_pcp:76 free_cma:0 [ 994.448399] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 79 printk messages dropped ** [ 997.608951] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 997.608959] [] ? radix_tree_lookup_slot+0x85/0xc0 ** 39 printk messages dropped ** [ 1000.802837] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1000.802837] to free 124kB on behalf of 'syz-execprog' (2156) because [ 1000.802837] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1000.802837] Free memory is -13540kB above reserved [ 1000.802848] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1000.802848] to free 124kB on behalf of 'udevd' (578) because [ 1000.802848] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1000.802848] Free memory is -13540kB above reserved [ 1001.812868] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1001.812868] to free 124kB on behalf of 'syz-execprog' (2168) because [ 1001.812868] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1001.812868] Free memory is -13540kB above reserved [ 1001.812880] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1001.812880] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 1001.812880] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1001.812880] Free memory is -13540kB above reserved [ 1002.822859] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1002.822859] to free 124kB on behalf of 'syz-execprog' (2154) because [ 1002.822859] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1002.822859] Free memory is -13540kB above reserved [ 1003.832855] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1003.832855] to free 124kB on behalf of 'udevd' (470) because [ 1003.832855] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1003.832855] Free memory is -13540kB above reserved [ 1003.928099] rsyslogd: page allocation stalls for 230010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1003.928109] CPU: 1 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 1003.928123] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 1003.928133] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 1003.928143] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1003.928145] Call Trace: [ 1003.928160] [] dump_stack+0xc1/0x128 [ 1003.928170] [] warn_alloc.cold.31+0x7f/0x9c [ 1003.928179] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1003.928188] [] ? shrink_node+0x740/0x740 [ 1003.928197] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1003.928206] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1003.928215] [] ? check_preemption_disabled+0x3b/0x200 [ 1003.928222] [] ? find_get_entry+0x11a/0x570 [ 1003.928230] [] ? find_get_entry+0x141/0x570 [ 1003.928237] [] ? page_cache_prev_hole+0x80/0x80 [ 1003.928245] [] ? autoremove_wake_function+0x40/0x40 [ 1003.928253] [] ? pagecache_get_page+0x131/0x710 [ 1003.928260] [] filemap_fault+0xaf1/0x1110 [ 1003.928269] [] ext4_filemap_fault+0x71/0xa0 [ 1003.928276] [] __do_fault+0x223/0x500 [ 1003.928282] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1003.928290] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1003.928297] [] handle_mm_fault+0x1326/0x2350 [ 1003.928305] [] ? vm_insert_page+0x6f0/0x6f0 [ 1003.928313] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1003.928321] [] __do_page_fault+0x403/0xa60 [ 1003.928329] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1003.928338] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1003.928345] [] do_page_fault+0x27/0x30 [ 1003.928353] [] page_fault+0x25/0x30 [ 1003.928356] Mem-Info: [ 1003.928373] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1003.928373] active_file:6 inactive_file:25 isolated_file:0 [ 1003.928373] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1003.928373] slab_reclaimable:4624 slab_unreclaimable:56989 [ 1003.928373] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1003.928373] free:5991 free_pcp:76 free_cma:0 [ 1003.928386] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1003.928404] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1003.928430] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227440kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:184kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1003.928486] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1003.928533] 0 pages in swap cache [ 1003.928537] Swap cache stats: add 0, delete 0, find 0/0 [ 1003.928539] Free swap = 0kB [ 1003.928542] Total swap = 0kB [ 1003.928544] 1965979 pages RAM [ 1003.928546] 0 pages HighMem/MovableOnly [ 1003.928548] 313617 pages reserved [ 1003.962351] syz-execprog: page allocation stalls for 230030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1003.962359] CPU: 1 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1003.962373] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 1003.962383] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 1003.962393] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1003.962395] Call Trace: [ 1003.962407] [] dump_stack+0xc1/0x128 [ 1003.962415] [] warn_alloc.cold.31+0x7f/0x9c [ 1003.962423] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1003.962431] [] ? shrink_node+0x740/0x740 [ 1003.962440] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1003.962449] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1003.962458] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1003.962465] [] ? find_get_entry+0x11a/0x570 [ 1003.962472] [] ? find_get_entry+0x141/0x570 [ 1003.962479] [] ? page_cache_prev_hole+0x80/0x80 ** 24 printk messages dropped ** [ 1003.962778] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1003.962824] 0 pages in swap cache [ 1003.962828] Swap cache stats: add 0, delete 0, find 0/0 [ 1003.962831] Free swap = 0kB [ 1003.962833] Total swap = 0kB [ 1003.962835] 1965979 pages RAM [ 1003.962837] 0 pages HighMem/MovableOnly [ 1003.962839] 313617 pages reserved [ 1003.982399] syz-execprog: page allocation stalls for 230030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1003.982407] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1003.982420] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 1003.982429] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 1003.982438] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1003.982439] Call Trace: [ 1003.982450] [] dump_stack+0xc1/0x128 [ 1003.982458] [] warn_alloc.cold.31+0x7f/0x9c [ 1003.982466] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1003.982473] [] ? shrink_node+0x740/0x740 [ 1003.982481] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1003.982488] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1003.982497] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1003.982504] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1003.982510] [] ? find_get_entry+0x11a/0x570 [ 1003.982517] [] ? find_get_entry+0x141/0x570 [ 1003.982524] [] ? page_cache_prev_hole+0x80/0x80 [ 1003.982531] [] ? autoremove_wake_function+0x40/0x40 [ 1003.982538] [] ? pagecache_get_page+0x131/0x710 [ 1003.982544] [] filemap_fault+0xaf1/0x1110 [ 1003.982552] [] ext4_filemap_fault+0x71/0xa0 [ 1003.982558] [] __do_fault+0x223/0x500 [ 1003.982564] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1003.982572] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1003.982578] [] handle_mm_fault+0x1326/0x2350 [ 1003.982586] [] ? ep_poll+0x18f/0xb20 [ 1003.982593] [] ? vm_insert_page+0x6f0/0x6f0 [ 1003.982599] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1003.982607] [] __do_page_fault+0x403/0xa60 [ 1003.982614] [] ? __fget_light+0x169/0x1f0 [ 1003.982621] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1003.982629] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1003.982636] [] do_page_fault+0x27/0x30 [ 1003.982642] [] page_fault+0x25/0x30 [ 1003.982645] Mem-Info: [ 1003.982660] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1003.982660] active_file:6 inactive_file:25 isolated_file:0 [ 1003.982660] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1003.982660] slab_reclaimable:4624 slab_unreclaimable:56989 [ 1003.982660] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1003.982660] free:5991 free_pcp:76 free_cma:0 [ 1003.982672] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1003.982688] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1003.982712] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227440kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:184kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1003.999444] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1003.999492] 0 pages in swap cache [ 1003.999496] Swap cache stats: add 0, delete 0, find 0/0 [ 1003.999498] Free swap = 0kB [ 1003.999500] Total swap = 0kB [ 1003.999503] 1965979 pages RAM [ 1003.999505] 0 pages HighMem/MovableOnly [ 1003.999507] 313617 pages reserved [ 1004.003506] syz-execprog: page allocation stalls for 230020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1004.003513] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1004.003526] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 1004.003536] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 1004.003546] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1004.003548] Call Trace: [ 1004.003558] [] dump_stack+0xc1/0x128 [ 1004.003567] [] warn_alloc.cold.31+0x7f/0x9c [ 1004.003575] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1004.003583] [] ? shrink_node+0x740/0x740 [ 1004.003592] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1004.003599] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1004.003608] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1004.003615] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1004.003622] [] ? find_get_entry+0x11a/0x570 [ 1004.003629] [] ? find_get_entry+0x141/0x570 [ 1004.003637] [] ? page_cache_prev_hole+0x80/0x80 [ 1004.003645] [] ? autoremove_wake_function+0x40/0x40 [ 1004.003652] [] ? pagecache_get_page+0x131/0x710 [ 1004.003659] [] filemap_fault+0xaf1/0x1110 [ 1004.003667] [] ext4_filemap_fault+0x71/0xa0 [ 1004.003674] [] __do_fault+0x223/0x500 [ 1004.003681] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1004.003689] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1004.003696] [] handle_mm_fault+0x1326/0x2350 [ 1004.003703] [] ? vm_insert_page+0x6f0/0x6f0 [ 1004.003710] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1004.003717] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1004.003726] [] __do_page_fault+0x403/0xa60 [ 1004.003733] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1004.003742] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1004.003749] [] do_page_fault+0x27/0x30 [ 1004.003758] [] page_fault+0x25/0x30 [ 1004.003761] Mem-Info: [ 1004.003777] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1004.003777] active_file:6 inactive_file:25 isolated_file:0 [ 1004.003777] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1004.003777] slab_reclaimable:4624 slab_unreclaimable:56989 [ 1004.003777] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1004.003777] free:5991 free_pcp:76 free_cma:0 [ 1004.003790] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1004.003807] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1004.003833] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227440kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:184kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1004.003887] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1004.003934] 0 pages in swap cache [ 1004.003938] Swap cache stats: add 0, delete 0, find 0/0 [ 1004.003940] Free swap = 0kB [ 1004.003942] Total swap = 0kB [ 1004.003945] 1965979 pages RAM [ 1004.003947] 0 pages HighMem/MovableOnly [ 1004.003949] 313617 pages reserved [ 1004.038509] syz-executor.1: page allocation stalls for 230090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1004.038516] CPU: 0 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1004.038530] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 1004.038540] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 1004.038550] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1004.038552] Call Trace: [ 1004.038563] [] dump_stack+0xc1/0x128 [ 1004.038571] [] warn_alloc.cold.31+0x7f/0x9c [ 1004.038579] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1004.038587] [] ? shrink_node+0x740/0x740 [ 1004.038596] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1004.038605] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1004.038613] [] ? check_preemption_disabled+0x3b/0x200 [ 1004.038620] [] ? find_get_entry+0x11a/0x570 [ 1004.038628] [] ? find_get_entry+0x141/0x570 [ 1004.038634] [] ? page_cache_prev_hole+0x80/0x80 [ 1004.038642] [] ? pagecache_get_page+0x131/0x710 [ 1004.038649] [] filemap_fault+0xaf1/0x1110 [ 1004.038658] [] ext4_filemap_fault+0x71/0xa0 [ 1004.038664] [] __do_fault+0x223/0x500 [ 1004.038671] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1004.038679] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1004.038686] [] handle_mm_fault+0x1326/0x2350 [ 1004.038693] [] ? vm_insert_page+0x6f0/0x6f0 [ 1004.038702] [] __do_page_fault+0x403/0xa60 [ 1004.038709] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1004.038718] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1004.038725] [] do_page_fault+0x27/0x30 [ 1004.038733] [] page_fault+0x25/0x30 [ 1004.038736] Mem-Info: [ 1004.038752] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1004.038752] active_file:6 inactive_file:25 isolated_file:0 [ 1004.038752] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1004.038752] slab_reclaimable:4624 slab_unreclaimable:56989 [ 1004.038752] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1004.038752] free:5991 free_pcp:76 free_cma:0 [ 1004.038764] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1004.038782] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1004.038808] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227440kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:184kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1004.038862] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1004.038910] 0 pages in swap cache [ 1004.038914] Swap cache stats: add 0, delete 0, find 0/0 [ 1004.038916] Free swap = 0kB [ 1004.038918] Total swap = 0kB [ 1004.038920] 1965979 pages RAM [ 1004.038922] 0 pages HighMem/MovableOnly [ 1004.038924] 313617 pages reserved [ 1004.376677] udevd: page allocation stalls for 230030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1004.376685] CPU: 0 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 1004.376699] ffff8801d30977c0 ffffffff81b42e79 1ffff1003a612efa ffff8801d3884740 [ 1004.376708] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3097908 [ 1004.376718] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1004.376719] Call Trace: [ 1004.376734] [] dump_stack+0xc1/0x128 [ 1004.376743] [] warn_alloc.cold.31+0x7f/0x9c [ 1004.376752] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1004.376760] [] ? shrink_node+0x740/0x740 [ 1004.376768] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1004.376776] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1004.376784] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 15 printk messages dropped ** [ 1004.376895] [] ? bad_area_access_error+0x3a0/0x3a0 ** 95 printk messages dropped ** [ 1004.448378] [] ? kvm_clock_read+0x23/0x40 [ 1004.448385] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1004.448394] [] __do_page_fault+0x403/0xa60 ** 4 printk messages dropped ** [ 1004.448430] Mem-Info: [ 1004.448446] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1004.448446] active_file:6 inactive_file:25 isolated_file:0 [ 1004.448446] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1004.448446] slab_reclaimable:4624 slab_unreclaimable:56989 [ 1004.448446] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1004.448446] free:5991 free_pcp:76 free_cma:0 [ 1004.448459] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1004.448476] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 120 printk messages dropped ** [ 1010.902844] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1010.902844] to free 124kB on behalf of 'cron' (1943) because [ 1010.902844] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1010.902844] Free memory is -13540kB above reserved [ 1010.902856] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1010.902856] to free 124kB on behalf of 'syz-execprog' (2156) because [ 1010.902856] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1010.902856] Free memory is -13540kB above reserved [ 1011.912882] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1011.912882] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 1011.912882] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1011.912882] Free memory is -13540kB above reserved [ 1011.912894] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1011.912894] to free 124kB on behalf of 'rsyslogd' (1894) because [ 1011.912894] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1011.912894] Free memory is -13540kB above reserved [ 1012.922833] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1012.922833] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 1012.922833] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1012.922833] Free memory is -13540kB above reserved [ 1013.932877] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1013.932877] to free 124kB on behalf of 'syz-executor.5' (2334) because [ 1013.932877] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1013.932877] Free memory is -13540kB above reserved [ 1013.932889] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1013.932889] to free 124kB on behalf of 'udevd' (578) because [ 1013.932889] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1013.932889] Free memory is -13540kB above reserved [ 1013.950697] rsyslogd: page allocation stalls for 240030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1013.950705] CPU: 1 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 1013.950722] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 1013.950732] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 1013.950742] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1013.950743] Call Trace: [ 1013.950759] [] dump_stack+0xc1/0x128 [ 1013.950768] [] warn_alloc.cold.31+0x7f/0x9c [ 1013.950778] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1013.950786] [] ? shrink_node+0x740/0x740 [ 1013.950795] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1013.950804] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1013.950812] [] ? check_preemption_disabled+0x3b/0x200 [ 1013.950820] [] ? find_get_entry+0x11a/0x570 [ 1013.950827] [] ? find_get_entry+0x141/0x570 [ 1013.950834] [] ? page_cache_prev_hole+0x80/0x80 [ 1013.950842] [] ? autoremove_wake_function+0x40/0x40 [ 1013.950849] [] ? pagecache_get_page+0x131/0x710 [ 1013.950857] [] filemap_fault+0xaf1/0x1110 [ 1013.950865] [] ext4_filemap_fault+0x71/0xa0 [ 1013.950872] [] __do_fault+0x223/0x500 [ 1013.950879] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1013.950887] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1013.950894] [] handle_mm_fault+0x1326/0x2350 [ 1013.950901] [] ? vm_insert_page+0x6f0/0x6f0 [ 1013.950909] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1013.950917] [] __do_page_fault+0x403/0xa60 [ 1013.950925] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1013.950934] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1013.950941] [] do_page_fault+0x27/0x30 [ 1013.950949] [] page_fault+0x25/0x30 [ 1013.950952] Mem-Info: [ 1013.950969] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1013.950969] active_file:6 inactive_file:25 isolated_file:0 [ 1013.950969] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1013.950969] slab_reclaimable:4624 slab_unreclaimable:56989 [ 1013.950969] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1013.950969] free:5991 free_pcp:76 free_cma:0 [ 1013.950982] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1013.951000] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1013.951026] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227440kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:184kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1013.951081] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1013.951129] 0 pages in swap cache [ 1013.951133] Swap cache stats: add 0, delete 0, find 0/0 [ 1013.951135] Free swap = 0kB [ 1013.951138] Total swap = 0kB [ 1013.951140] 1965979 pages RAM [ 1013.951142] 0 pages HighMem/MovableOnly [ 1013.951144] 313617 pages reserved [ 1013.962402] syz-executor.1: page allocation stalls for 240010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1013.962409] CPU: 0 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1013.962422] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 1013.962432] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 1013.962442] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1013.962444] Call Trace: [ 1013.962454] [] dump_stack+0xc1/0x128 [ 1013.962462] [] warn_alloc.cold.31+0x7f/0x9c [ 1013.962469] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1013.962477] [] ? shrink_node+0x740/0x740 [ 1013.962486] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1013.962495] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1013.962503] [] ? check_preemption_disabled+0x3b/0x200 [ 1013.962510] [] ? find_get_entry+0x11a/0x570 [ 1013.962517] [] ? find_get_entry+0x141/0x570 ** 29 printk messages dropped ** [ 1013.969491] [] warn_alloc.cold.31+0x7f/0x9c [ 1013.969499] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1013.969506] [] ? shrink_node+0x740/0x740 [ 1013.969515] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1013.969524] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1013.969532] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1013.969539] [] ? find_get_entry+0x11a/0x570 [ 1013.969546] [] ? find_get_entry+0x141/0x570 [ 1013.969553] [] ? page_cache_prev_hole+0x80/0x80 [ 1013.969561] [] ? autoremove_wake_function+0x40/0x40 [ 1013.969568] [] ? pagecache_get_page+0x131/0x710 [ 1013.969576] [] filemap_fault+0xaf1/0x1110 [ 1013.969583] [] ext4_filemap_fault+0x71/0xa0 [ 1013.969590] [] __do_fault+0x223/0x500 [ 1013.969597] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1013.969605] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1013.969612] [] handle_mm_fault+0x1326/0x2350 [ 1013.969620] [] ? poll_select_set_timeout+0xb5/0x120 [ 1013.969627] [] ? vm_insert_page+0x6f0/0x6f0 [ 1013.969635] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1013.969643] [] __do_page_fault+0x403/0xa60 [ 1013.969650] [] ? __fget_light+0x169/0x1f0 [ 1013.969657] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1013.969666] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1013.969673] [] do_page_fault+0x27/0x30 [ 1013.969680] [] page_fault+0x25/0x30 [ 1013.969682] Mem-Info: [ 1013.969698] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1013.969698] active_file:6 inactive_file:25 isolated_file:0 [ 1013.969698] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1013.969698] slab_reclaimable:4624 slab_unreclaimable:56989 [ 1013.969698] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1013.969698] free:5991 free_pcp:76 free_cma:0 [ 1013.969710] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1013.969727] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1013.969753] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227440kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:184kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1013.969807] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1013.969855] 0 pages in swap cache [ 1013.969859] Swap cache stats: add 0, delete 0, find 0/0 [ 1013.969861] Free swap = 0kB [ 1013.969863] Total swap = 0kB [ 1013.969865] 1965979 pages RAM [ 1013.969867] 0 pages HighMem/MovableOnly [ 1013.969869] 313617 pages reserved [ 1013.976776] syz-execprog: page allocation stalls for 240030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1013.976783] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1013.976794] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 1013.976803] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 1013.976812] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1013.976813] Call Trace: [ 1013.976822] [] dump_stack+0xc1/0x128 [ 1013.976829] [] warn_alloc.cold.31+0x7f/0x9c [ 1013.976837] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1013.976844] [] ? shrink_node+0x740/0x740 [ 1013.976852] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1013.976859] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1013.976867] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1013.976874] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1013.976881] [] ? find_get_entry+0x11a/0x570 [ 1013.976887] [] ? find_get_entry+0x141/0x570 [ 1013.976894] [] ? page_cache_prev_hole+0x80/0x80 [ 1013.976901] [] ? autoremove_wake_function+0x40/0x40 [ 1013.976908] [] ? pagecache_get_page+0x131/0x710 [ 1013.976915] [] filemap_fault+0xaf1/0x1110 [ 1013.976922] [] ext4_filemap_fault+0x71/0xa0 [ 1013.976928] [] __do_fault+0x223/0x500 [ 1013.976934] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1013.976941] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1013.976948] [] handle_mm_fault+0x1326/0x2350 [ 1013.976956] [] ? ep_poll+0x18f/0xb20 [ 1013.976963] [] ? vm_insert_page+0x6f0/0x6f0 [ 1013.976969] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1013.976977] [] __do_page_fault+0x403/0xa60 [ 1013.976984] [] ? __fget_light+0x169/0x1f0 [ 1013.976991] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1013.976999] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1013.977005] [] do_page_fault+0x27/0x30 [ 1013.977012] [] page_fault+0x25/0x30 [ 1013.977014] Mem-Info: [ 1013.977029] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1013.977029] active_file:6 inactive_file:25 isolated_file:0 [ 1013.977029] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1013.977029] slab_reclaimable:4624 slab_unreclaimable:56989 [ 1013.977029] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1013.977029] free:5991 free_pcp:76 free_cma:0 [ 1013.977040] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1013.977056] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1013.977080] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227440kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:184kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1013.977129] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1013.977171] 0 pages in swap cache [ 1013.977175] Swap cache stats: add 0, delete 0, find 0/0 [ 1013.977177] Free swap = 0kB [ 1013.977179] Total swap = 0kB [ 1013.977181] 1965979 pages RAM [ 1013.977182] 0 pages HighMem/MovableOnly [ 1013.977184] 313617 pages reserved [ 1013.998114] (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1013.998162] 0 pages in swap cache [ 1013.998166] Swap cache stats: add 0, delete 0, find 0/0 [ 1013.998168] Free swap = 0kB [ 1013.998170] Total swap = 0kB [ 1013.998173] 1965979 pages RAM [ 1013.998175] 0 pages HighMem/MovableOnly [ 1013.998177] 313617 pages reserved [ 1014.028099] syz-execprog: page allocation stalls for 240040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1014.028107] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1014.028119] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 1014.028128] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 1014.028137] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1014.028138] Call Trace: [ 1014.028150] [] dump_stack+0xc1/0x128 [ 1014.028158] [] warn_alloc.cold.31+0x7f/0x9c [ 1014.028166] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1014.028173] [] ? shrink_node+0x740/0x740 [ 1014.028181] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1014.028189] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1014.028197] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1014.028204] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1014.028210] [] ? find_get_entry+0x11a/0x570 [ 1014.028217] [] ? find_get_entry+0x141/0x570 [ 1014.028223] [] ? page_cache_prev_hole+0x80/0x80 [ 1014.028230] [] ? autoremove_wake_function+0x40/0x40 [ 1014.028237] [] ? pagecache_get_page+0x131/0x710 [ 1014.028244] [] filemap_fault+0xaf1/0x1110 [ 1014.028251] [] ext4_filemap_fault+0x71/0xa0 [ 1014.028258] [] __do_fault+0x223/0x500 [ 1014.028264] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1014.028271] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1014.028277] [] handle_mm_fault+0x1326/0x2350 [ 1014.028284] [] ? vm_insert_page+0x6f0/0x6f0 [ 1014.028290] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1014.028297] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1014.028305] [] __do_page_fault+0x403/0xa60 [ 1014.028312] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1014.028320] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1014.028326] [] do_page_fault+0x27/0x30 [ 1014.028333] [] page_fault+0x25/0x30 [ 1014.028336] Mem-Info: [ 1014.028351] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1014.028351] active_file:6 inactive_file:25 isolated_file:0 [ 1014.028351] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1014.028351] slab_reclaimable:4624 slab_unreclaimable:56989 [ 1014.028351] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1014.028351] free:5991 free_pcp:76 free_cma:0 [ 1014.028362] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1014.028379] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1014.028403] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227440kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:184kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1014.028451] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1014.028493] 0 pages in swap cache [ 1014.028497] Swap cache stats: add 0, delete 0, find 0/0 [ 1014.028499] Free swap = 0kB [ 1014.028501] Total swap = 0kB [ 1014.028503] 1965979 pages RAM [ 1014.028505] 0 pages HighMem/MovableOnly ** 75 printk messages dropped ** [ 1014.398634] [] ? vm_insert_page+0x6f0/0x6f0 ** 49 printk messages dropped ** [ 1014.438301] [] ? kvm_clock_read+0x23/0x40 [ 1014.438308] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1014.438317] [] __do_page_fault+0x403/0xa60 [ 1014.438324] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1014.438334] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1014.438341] [] do_page_fault+0x27/0x30 [ 1014.438348] [] page_fault+0x25/0x30 [ 1014.438352] Mem-Info: [ 1014.438367] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1014.438367] active_file:6 inactive_file:25 isolated_file:0 [ 1014.438367] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1014.438367] slab_reclaimable:4624 slab_unreclaimable:56989 [ 1014.438367] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1014.438367] free:5991 free_pcp:76 free_cma:0 ** 81 printk messages dropped ** [ 1017.576848] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1017.576855] [] ? find_get_entry+0x11a/0x570 ** 38 printk messages dropped ** [ 1020.042328] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1020.042328] to free 124kB on behalf of 'init' (1) because [ 1020.042328] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1020.042328] Free memory is -13540kB above reserved [ 1021.042861] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1021.042861] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 1021.042861] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1021.042861] Free memory is -13540kB above reserved [ 1021.042873] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1021.042873] to free 124kB on behalf of 'syz-executor.1' (2175) because [ 1021.042873] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1021.042873] Free memory is -13540kB above reserved [ 1022.052817] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1022.052817] to free 124kB on behalf of 'udevd' (470) because [ 1022.052817] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1022.052817] Free memory is -13540kB above reserved [ 1023.062809] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1023.062809] to free 124kB on behalf of 'udevd' (578) because [ 1023.062809] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1023.062809] Free memory is -13540kB above reserved [ 1023.931810] rsyslogd: page allocation stalls for 250010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1023.931818] CPU: 0 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 1023.931834] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 1023.931844] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 1023.931854] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1023.931856] Call Trace: [ 1023.931871] [] dump_stack+0xc1/0x128 [ 1023.931881] [] warn_alloc.cold.31+0x7f/0x9c [ 1023.931890] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1023.931898] [] ? shrink_node+0x740/0x740 [ 1023.931907] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1023.931915] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1023.931924] [] ? check_preemption_disabled+0x3b/0x200 [ 1023.931931] [] ? find_get_entry+0x11a/0x570 [ 1023.931938] [] ? find_get_entry+0x141/0x570 [ 1023.931946] [] ? page_cache_prev_hole+0x80/0x80 [ 1023.931954] [] ? autoremove_wake_function+0x40/0x40 [ 1023.931961] [] ? pagecache_get_page+0x131/0x710 [ 1023.931969] [] filemap_fault+0xaf1/0x1110 [ 1023.931977] [] ext4_filemap_fault+0x71/0xa0 [ 1023.931984] [] __do_fault+0x223/0x500 [ 1023.931991] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1023.931999] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1023.932006] [] handle_mm_fault+0x1326/0x2350 [ 1023.932013] [] ? vm_insert_page+0x6f0/0x6f0 [ 1023.932021] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1023.932029] [] __do_page_fault+0x403/0xa60 [ 1023.932037] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1023.932046] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1023.932052] [] do_page_fault+0x27/0x30 [ 1023.932066] [] page_fault+0x25/0x30 [ 1023.932069] Mem-Info: [ 1023.932086] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1023.932086] active_file:6 inactive_file:25 isolated_file:0 [ 1023.932086] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1023.932086] slab_reclaimable:4624 slab_unreclaimable:56990 [ 1023.932086] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1023.932086] free:5991 free_pcp:75 free_cma:0 [ 1023.932100] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1023.932117] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1023.932143] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:180kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1023.932198] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1023.932246] 0 pages in swap cache [ 1023.932250] Swap cache stats: add 0, delete 0, find 0/0 [ 1023.932252] Free swap = 0kB [ 1023.932254] Total swap = 0kB [ 1023.932257] 1965979 pages RAM [ 1023.932259] 0 pages HighMem/MovableOnly [ 1023.932261] 313617 pages reserved [ 1023.958100] syz-execprog: page allocation stalls for 250030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1023.958107] CPU: 0 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1023.958119] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 1023.958129] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 1023.958138] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1023.958140] Call Trace: [ 1023.958150] [] dump_stack+0xc1/0x128 [ 1023.958158] [] warn_alloc.cold.31+0x7f/0x9c [ 1023.958166] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1023.958174] [] ? shrink_node+0x740/0x740 [ 1023.958183] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1023.958192] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1023.958200] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1023.958207] [] ? find_get_entry+0x11a/0x570 [ 1023.958214] [] ? find_get_entry+0x141/0x570 [ 1023.958221] [] ? page_cache_prev_hole+0x80/0x80 [ 1023.958230] [] ? autoremove_wake_function+0x40/0x40 [ 1023.958237] [] ? pagecache_get_page+0x131/0x710 [ 1023.958244] [] filemap_fault+0xaf1/0x1110 [ 1023.958252] [] ext4_filemap_fault+0x71/0xa0 [ 1023.958259] [] __do_fault+0x223/0x500 [ 1023.958266] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1023.958274] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1023.958281] [] handle_mm_fault+0x1326/0x2350 [ 1023.958289] [] ? poll_select_set_timeout+0xb5/0x120 ** 23 printk messages dropped ** [ 1023.958539] 0 pages HighMem/MovableOnly [ 1023.958541] 313617 pages reserved [ 1023.968624] syz-executor.1: page allocation stalls for 250020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1023.968632] CPU: 1 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1023.968645] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 1023.968655] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 1023.968665] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1023.968667] Call Trace: [ 1023.968676] [] dump_stack+0xc1/0x128 [ 1023.968684] [] warn_alloc.cold.31+0x7f/0x9c [ 1023.968693] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1023.968700] [] ? shrink_node+0x740/0x740 [ 1023.968709] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1023.968718] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1023.968727] [] ? check_preemption_disabled+0x3b/0x200 [ 1023.968734] [] ? find_get_entry+0x11a/0x570 [ 1023.968741] [] ? find_get_entry+0x141/0x570 [ 1023.968748] [] ? page_cache_prev_hole+0x80/0x80 [ 1023.968755] [] ? pagecache_get_page+0x131/0x710 [ 1023.968763] [] filemap_fault+0xaf1/0x1110 [ 1023.968771] [] ext4_filemap_fault+0x71/0xa0 [ 1023.968778] [] __do_fault+0x223/0x500 [ 1023.968784] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1023.968792] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1023.968799] [] handle_mm_fault+0x1326/0x2350 [ 1023.968806] [] ? vm_insert_page+0x6f0/0x6f0 [ 1023.968815] [] __do_page_fault+0x403/0xa60 [ 1023.968822] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1023.968831] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1023.968838] [] do_page_fault+0x27/0x30 [ 1023.968845] [] page_fault+0x25/0x30 [ 1023.968848] Mem-Info: [ 1023.968864] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1023.968864] active_file:6 inactive_file:25 isolated_file:0 [ 1023.968864] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1023.968864] slab_reclaimable:4624 slab_unreclaimable:56990 [ 1023.968864] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1023.968864] free:5991 free_pcp:75 free_cma:0 [ 1023.968877] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1023.968894] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1023.968920] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:180kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1023.968974] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1023.969022] 0 pages in swap cache [ 1023.969025] Swap cache stats: add 0, delete 0, find 0/0 [ 1023.969027] Free swap = 0kB [ 1023.969030] Total swap = 0kB [ 1023.969032] 1965979 pages RAM [ 1023.969034] 0 pages HighMem/MovableOnly [ 1023.969036] 313617 pages reserved [ 1024.001702] syz-execprog: page allocation stalls for 250010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1024.001710] CPU: 1 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1024.001723] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 1024.001733] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 1024.001743] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1024.001745] Call Trace: [ 1024.001757] [] dump_stack+0xc1/0x128 [ 1024.001766] [] warn_alloc.cold.31+0x7f/0x9c [ 1024.001775] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1024.001783] [] ? shrink_node+0x740/0x740 [ 1024.001792] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1024.001799] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1024.001808] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1024.001816] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1024.001823] [] ? find_get_entry+0x11a/0x570 [ 1024.001830] [] ? find_get_entry+0x141/0x570 [ 1024.001837] [] ? page_cache_prev_hole+0x80/0x80 [ 1024.001845] [] ? autoremove_wake_function+0x40/0x40 [ 1024.001852] [] ? pagecache_get_page+0x131/0x710 [ 1024.001860] [] filemap_fault+0xaf1/0x1110 [ 1024.001868] [] ext4_filemap_fault+0x71/0xa0 [ 1024.001874] [] __do_fault+0x223/0x500 [ 1024.001881] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1024.001889] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1024.001896] [] handle_mm_fault+0x1326/0x2350 [ 1024.001903] [] ? vm_insert_page+0x6f0/0x6f0 [ 1024.001910] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1024.001917] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1024.001926] [] __do_page_fault+0x403/0xa60 [ 1024.001934] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1024.001943] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1024.001951] [] do_page_fault+0x27/0x30 [ 1024.001958] [] page_fault+0x25/0x30 [ 1024.001962] Mem-Info: [ 1024.001977] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1024.001977] active_file:6 inactive_file:25 isolated_file:0 [ 1024.001977] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1024.001977] slab_reclaimable:4624 slab_unreclaimable:56990 [ 1024.001977] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1024.001977] free:5991 free_pcp:75 free_cma:0 [ 1024.001991] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1024.002008] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1024.002034] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:180kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1024.002088] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1024.002136] 0 pages in swap cache [ 1024.002140] Swap cache stats: add 0, delete 0, find 0/0 [ 1024.002142] Free swap = 0kB [ 1024.002144] Total swap = 0kB [ 1024.002147] 1965979 pages RAM [ 1024.002149] 0 pages HighMem/MovableOnly [ 1024.002151] 313617 pages reserved [ 1024.009181] syz-execprog: page allocation stalls for 250060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1024.009188] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1024.009200] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 1024.009210] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 1024.009219] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1024.009221] Call Trace: [ 1024.009230] [] dump_stack+0xc1/0x128 [ 1024.009237] [] warn_alloc.cold.31+0x7f/0x9c [ 1024.009246] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1024.009253] [] ? shrink_node+0x740/0x740 [ 1024.009262] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1024.009269] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1024.009278] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1024.009285] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1024.009293] [] ? find_get_entry+0x11a/0x570 [ 1024.009300] [] ? find_get_entry+0x141/0x570 [ 1024.009307] [] ? page_cache_prev_hole+0x80/0x80 [ 1024.009314] [] ? autoremove_wake_function+0x40/0x40 [ 1024.009322] [] ? pagecache_get_page+0x131/0x710 [ 1024.009329] [] filemap_fault+0xaf1/0x1110 [ 1024.009337] [] ext4_filemap_fault+0x71/0xa0 [ 1024.009344] [] __do_fault+0x223/0x500 [ 1024.009351] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1024.009358] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1024.009365] [] handle_mm_fault+0x1326/0x2350 [ 1024.009374] [] ? ep_poll+0x18f/0xb20 [ 1024.009381] [] ? vm_insert_page+0x6f0/0x6f0 [ 1024.009388] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1024.009397] [] __do_page_fault+0x403/0xa60 [ 1024.009405] [] ? __fget_light+0x169/0x1f0 [ 1024.009412] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1024.009421] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1024.009428] [] do_page_fault+0x27/0x30 [ 1024.009435] [] page_fault+0x25/0x30 [ 1024.009438] Mem-Info: [ 1024.009453] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1024.009453] active_file:6 inactive_file:25 isolated_file:0 [ 1024.009453] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1024.009453] slab_reclaimable:4624 slab_unreclaimable:56990 [ 1024.009453] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1024.009453] free:5991 free_pcp:75 free_cma:0 [ 1024.009466] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1024.009484] DMA32 free:18588kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:516kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1024.009510] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:180kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1024.009569] DMA32: 23*4kB (UM) 28*8kB (M) 16*16kB (M) 15*32kB (ME) 12*64kB (ME) 5*128kB (UME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18588kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1024.009616] 0 pages in swap cache [ 1024.009620] Swap cache stats: add 0, delete 0, find 0/0 [ 1024.009623] Free swap = 0kB [ 1024.009625] Total swap = 0kB [ 1024.009627] 1965979 pages RAM [ 1024.009629] 0 pages HighMem/MovableOnly [ 1024.009631] 313617 pages reserved [ 1024.072802] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1024.072802] to free 124kB on behalf of 'syz-execprog' (2156) because [ 1024.072802] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1024.072802] Free memory is -13540kB above reserved [ 1024.356688] udevd: page allocation stalls for 250010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1024.356697] CPU: 0 PID: 578 Comm: udevd Not tainted 4.9.141+ #1 [ 1024.356712] ffff8801d17bf7c0 ffffffff81b42e79 1ffff1003a2f7efa ffff8801d1725f00 [ 1024.356722] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d17bf908 [ 1024.356732] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1024.356734] Call Trace: [ 1024.356748] [] dump_stack+0xc1/0x128 [ 1024.356758] [] warn_alloc.cold.31+0x7f/0x9c [ 1024.356767] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1024.356776] [] ? shrink_node+0x740/0x740 [ 1024.356785] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1024.356793] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1024.356802] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1024.356811] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1024.356818] [] ? find_get_entry+0x11a/0x570 [ 1024.356825] [] ? find_get_entry+0x141/0x570 [ 1024.356832] [] ? page_cache_prev_hole+0x80/0x80 ** 4 printk messages dropped ** [ 1024.356869] [] __do_fault+0x223/0x500 ** 45 printk messages dropped ** [ 1024.366605] [] ? pagecache_get_page+0x131/0x710 ** 49 printk messages dropped ** [ 1024.473493] [] filemap_fault+0xaf1/0x1110 [ 1024.473502] [] ext4_filemap_fault+0x71/0xa0 [ 1024.473509] [] __do_fault+0x223/0x500 [ 1024.473516] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1024.473528] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1024.473536] [] handle_mm_fault+0x1326/0x2350 [ 1024.473543] [] ? vm_insert_page+0x6f0/0x6f0 [ 1024.473552] [] ? kvm_clock_read+0x23/0x40 ** 37 printk messages dropped ** [ 1027.015371] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 42 printk messages dropped ** [ 1027.609494] Call Trace: ** 48 printk messages dropped ** [ 1030.132860] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1030.132860] to free 124kB on behalf of 'syz-execprog' (2156) because [ 1030.132860] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1030.132860] Free memory is -13556kB above reserved [ 1031.142790] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1031.142790] to free 124kB on behalf of 'syz-execprog' (2154) because [ 1031.142790] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1031.142790] Free memory is -13556kB above reserved [ 1032.152831] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1032.152831] to free 124kB on behalf of 'udevd' (470) because [ 1032.152831] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1032.152831] Free memory is -13556kB above reserved [ 1032.152842] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1032.152842] to free 124kB on behalf of 'syz-execprog' (2154) because [ 1032.152842] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1032.152842] Free memory is -13556kB above reserved [ 1033.162866] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1033.162866] to free 124kB on behalf of 'syz-execprog' (2168) because [ 1033.162866] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1033.162866] Free memory is -13556kB above reserved [ 1033.940143] rsyslogd: page allocation stalls for 260020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1033.940152] CPU: 0 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 1033.940167] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 1033.940177] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 1033.940187] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1033.940188] Call Trace: [ 1033.940204] [] dump_stack+0xc1/0x128 [ 1033.940214] [] warn_alloc.cold.31+0x7f/0x9c [ 1033.940224] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1033.940232] [] ? shrink_node+0x740/0x740 [ 1033.940241] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1033.940250] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1033.940259] [] ? check_preemption_disabled+0x3b/0x200 [ 1033.940267] [] ? find_get_entry+0x11a/0x570 [ 1033.940274] [] ? find_get_entry+0x141/0x570 [ 1033.940281] [] ? page_cache_prev_hole+0x80/0x80 [ 1033.940290] [] ? autoremove_wake_function+0x40/0x40 [ 1033.940297] [] ? pagecache_get_page+0x131/0x710 [ 1033.940305] [] filemap_fault+0xaf1/0x1110 [ 1033.940314] [] ext4_filemap_fault+0x71/0xa0 [ 1033.940321] [] __do_fault+0x223/0x500 [ 1033.940328] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1033.940336] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1033.940343] [] handle_mm_fault+0x1326/0x2350 [ 1033.940350] [] ? vm_insert_page+0x6f0/0x6f0 [ 1033.940358] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1033.940367] [] __do_page_fault+0x403/0xa60 [ 1033.940374] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1033.940383] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1033.940390] [] do_page_fault+0x27/0x30 [ 1033.940399] [] page_fault+0x25/0x30 [ 1033.940402] Mem-Info: [ 1033.940424] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1033.940424] active_file:6 inactive_file:25 isolated_file:0 [ 1033.940424] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1033.940424] slab_reclaimable:4624 slab_unreclaimable:56994 [ 1033.940424] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1033.940424] free:5987 free_pcp:75 free_cma:0 [ 1033.940437] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1033.940455] DMA32 free:18572kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:532kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1033.940482] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:180kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1033.940539] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 16*32kB (UME) 13*64kB (UME) 4*128kB (ME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18572kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1033.940587] 0 pages in swap cache [ 1033.940591] Swap cache stats: add 0, delete 0, find 0/0 [ 1033.940593] Free swap = 0kB [ 1033.940595] Total swap = 0kB [ 1033.940597] 1965979 pages RAM [ 1033.940599] 0 pages HighMem/MovableOnly [ 1033.940602] 313617 pages reserved [ 1033.941771] syz-execprog: page allocation stalls for 260010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1033.941778] CPU: 1 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1033.941790] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 1033.941801] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 1033.941811] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1033.941812] Call Trace: [ 1033.941821] [] dump_stack+0xc1/0x128 [ 1033.941829] [] warn_alloc.cold.31+0x7f/0x9c [ 1033.941837] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1033.941845] [] ? shrink_node+0x740/0x740 [ 1033.941854] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1033.941862] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1033.941871] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1033.941878] [] ? find_get_entry+0x11a/0x570 [ 1033.941886] [] ? find_get_entry+0x141/0x570 [ 1033.941893] [] ? page_cache_prev_hole+0x80/0x80 [ 1033.941900] [] ? autoremove_wake_function+0x40/0x40 [ 1033.941907] [] ? pagecache_get_page+0x131/0x710 [ 1033.941920] [] filemap_fault+0xaf1/0x1110 ** 22 printk messages dropped ** [ 1033.942193] Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1033.942197] 0 pages in swap cache [ 1033.942201] Swap cache stats: add 0, delete 0, find 0/0 [ 1033.942203] Free swap = 0kB [ 1033.942205] Total swap = 0kB [ 1033.942208] 1965979 pages RAM [ 1033.942210] 0 pages HighMem/MovableOnly [ 1033.942212] 313617 pages reserved [ 1033.995753] syz-execprog: page allocation stalls for 260050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1033.995761] CPU: 1 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1033.995775] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 1033.995785] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 1033.995795] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1033.995797] Call Trace: [ 1033.995809] [] dump_stack+0xc1/0x128 [ 1033.995819] [] warn_alloc.cold.31+0x7f/0x9c [ 1033.995827] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1033.995835] [] ? shrink_node+0x740/0x740 [ 1033.995844] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1033.995852] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1033.995861] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1033.995870] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1033.995877] [] ? find_get_entry+0x11a/0x570 [ 1033.995884] [] ? find_get_entry+0x141/0x570 [ 1033.995891] [] ? page_cache_prev_hole+0x80/0x80 [ 1033.995899] [] ? autoremove_wake_function+0x40/0x40 [ 1033.995911] [] ? pagecache_get_page+0x131/0x710 [ 1033.995919] [] filemap_fault+0xaf1/0x1110 [ 1033.995928] [] ext4_filemap_fault+0x71/0xa0 [ 1033.995935] [] __do_fault+0x223/0x500 [ 1033.995942] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1033.995950] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1033.995957] [] handle_mm_fault+0x1326/0x2350 [ 1033.995965] [] ? ep_poll+0x18f/0xb20 [ 1033.995972] [] ? vm_insert_page+0x6f0/0x6f0 [ 1033.995980] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1033.995989] [] __do_page_fault+0x403/0xa60 [ 1033.995998] [] ? __fget_light+0x169/0x1f0 [ 1033.996005] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1033.996015] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1033.996022] [] do_page_fault+0x27/0x30 [ 1033.996030] [] page_fault+0x25/0x30 [ 1033.996033] Mem-Info: [ 1033.996049] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1033.996049] active_file:6 inactive_file:25 isolated_file:0 [ 1033.996049] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1033.996049] slab_reclaimable:4624 slab_unreclaimable:56994 [ 1033.996049] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1033.996049] free:5987 free_pcp:75 free_cma:0 [ 1033.996062] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1033.996079] DMA32 free:18572kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:532kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1033.996106] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:180kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1033.996161] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 16*32kB (UME) 13*64kB (UME) 4*128kB (ME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18572kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1033.996208] 0 pages in swap cache [ 1033.996212] Swap cache stats: add 0, delete 0, find 0/0 [ 1033.996214] Free swap = 0kB [ 1033.996216] Total swap = 0kB [ 1033.996219] 1965979 pages RAM [ 1033.996221] 0 pages HighMem/MovableOnly [ 1033.996223] 313617 pages reserved [ 1034.003487] syz-executor.1: page allocation stalls for 260060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1034.003495] CPU: 0 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1034.003507] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 1034.003516] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 1034.003525] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1034.003527] Call Trace: [ 1034.003536] [] dump_stack+0xc1/0x128 [ 1034.003543] [] warn_alloc.cold.31+0x7f/0x9c [ 1034.003551] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1034.003557] [] ? shrink_node+0x740/0x740 [ 1034.003566] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1034.003575] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1034.003583] [] ? check_preemption_disabled+0x3b/0x200 [ 1034.003590] [] ? find_get_entry+0x11a/0x570 [ 1034.003596] [] ? find_get_entry+0x141/0x570 [ 1034.003602] [] ? page_cache_prev_hole+0x80/0x80 [ 1034.003609] [] ? pagecache_get_page+0x131/0x710 [ 1034.003616] [] filemap_fault+0xaf1/0x1110 [ 1034.003623] [] ext4_filemap_fault+0x71/0xa0 [ 1034.003629] [] __do_fault+0x223/0x500 [ 1034.003635] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1034.003643] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1034.003649] [] handle_mm_fault+0x1326/0x2350 [ 1034.003656] [] ? vm_insert_page+0x6f0/0x6f0 [ 1034.003663] [] __do_page_fault+0x403/0xa60 [ 1034.003670] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1034.003678] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1034.003684] [] do_page_fault+0x27/0x30 [ 1034.003691] [] page_fault+0x25/0x30 [ 1034.003694] Mem-Info: [ 1034.003708] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1034.003708] active_file:6 inactive_file:25 isolated_file:0 [ 1034.003708] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1034.003708] slab_reclaimable:4624 slab_unreclaimable:56994 [ 1034.003708] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1034.003708] free:5987 free_pcp:75 free_cma:0 [ 1034.003720] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1034.003736] DMA32 free:18572kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:532kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1034.003759] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:180kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1034.003807] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 16*32kB (UME) 13*64kB (UME) 4*128kB (ME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18572kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1034.003849] 0 pages in swap cache [ 1034.003853] Swap cache stats: add 0, delete 0, find 0/0 [ 1034.003855] Free swap = 0kB [ 1034.003856] Total swap = 0kB [ 1034.003859] 1965979 pages RAM [ 1034.003860] 0 pages HighMem/MovableOnly [ 1034.003862] 313617 pages reserved [ 1034.051058] syz-execprog: page allocation stalls for 260060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1034.051066] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1034.051079] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 1034.051089] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 1034.051099] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1034.051101] Call Trace: [ 1034.051115] [] dump_stack+0xc1/0x128 [ 1034.051123] [] warn_alloc.cold.31+0x7f/0x9c [ 1034.051131] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1034.051139] [] ? shrink_node+0x740/0x740 [ 1034.051148] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1034.051156] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1034.051165] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1034.051173] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1034.051180] [] ? find_get_entry+0x11a/0x570 [ 1034.051187] [] ? find_get_entry+0x141/0x570 [ 1034.051194] [] ? page_cache_prev_hole+0x80/0x80 [ 1034.051203] [] ? autoremove_wake_function+0x40/0x40 [ 1034.051210] [] ? pagecache_get_page+0x131/0x710 [ 1034.051217] [] filemap_fault+0xaf1/0x1110 [ 1034.051226] [] ext4_filemap_fault+0x71/0xa0 [ 1034.051232] [] __do_fault+0x223/0x500 [ 1034.051239] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1034.051247] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1034.051254] [] handle_mm_fault+0x1326/0x2350 [ 1034.051261] [] ? vm_insert_page+0x6f0/0x6f0 [ 1034.051268] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1034.051275] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1034.051284] [] __do_page_fault+0x403/0xa60 [ 1034.051292] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1034.051301] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1034.051308] [] do_page_fault+0x27/0x30 [ 1034.051315] [] page_fault+0x25/0x30 [ 1034.051319] Mem-Info: [ 1034.051335] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1034.051335] active_file:6 inactive_file:25 isolated_file:0 [ 1034.051335] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1034.051335] slab_reclaimable:4624 slab_unreclaimable:56994 [ 1034.051335] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1034.051335] free:5987 free_pcp:75 free_cma:0 [ 1034.051348] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1034.051366] DMA32 free:18572kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:532kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1034.051392] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:180kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1034.051452] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 16*32kB (UME) 13*64kB (UME) 4*128kB (ME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18572kB Normal: 164*4kB (UMH) 46*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5376kB 80 total pagecache pages [ 1034.051499] 0 pages in swap cache [ 1034.051503] Swap cache stats: add 0, delete 0, find 0/0 [ 1034.051505] Free swap = 0kB [ 1034.051507] Total swap = 0kB [ 1034.051510] 1965979 pages RAM [ 1034.051512] 0 pages HighMem/MovableOnly [ 1034.051514] 313617 pages reserved [ 1034.172878] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1034.172878] to free 124kB on behalf of 'syz-executor.4' (2327) because [ 1034.172878] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1034.172878] Free memory is -13556kB above reserved [ 1034.172889] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1034.172889] to free 124kB on behalf of 'syz-execprog' (2154) because [ 1034.172889] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1034.172889] Free memory is -13556kB above reserved [ 1034.418532] udevd: page allocation stalls for 260070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 68 printk messages dropped ** [ 1034.440221] [] ext4_filemap_fault+0x71/0xa0 ** 50 printk messages dropped ** [ 1034.441413] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1034.441420] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1034.441427] [] handle_mm_fault+0x1326/0x2350 [ 1034.441434] [] ? vm_insert_page+0x6f0/0x6f0 [ 1034.441444] [] ? kvm_clock_read+0x23/0x40 [ 1034.441451] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1034.441459] [] __do_page_fault+0x403/0xa60 [ 1034.441467] [] ? bad_area_access_error+0x3a0/0x3a0 ** 75 printk messages dropped ** [ 1037.607503] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 ** 48 printk messages dropped ** [ 1038.212875] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1038.212875] to free 124kB on behalf of 'udevd' (578) because [ 1038.212875] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1038.212875] Free memory is -13556kB above reserved [ 1039.222830] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1039.222830] to free 124kB on behalf of 'udevd' (470) because [ 1039.222830] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1039.222830] Free memory is -13556kB above reserved [ 1040.232827] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1040.232827] to free 124kB on behalf of 'syz-execprog' (2168) because [ 1040.232827] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1040.232827] Free memory is -13556kB above reserved [ 1041.242817] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1041.242817] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 1041.242817] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1041.242817] Free memory is -13556kB above reserved [ 1041.277590] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1041.277590] to free 124kB on behalf of 'syz-executor.3' (2332) because [ 1041.277590] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1041.277590] Free memory is -13556kB above reserved [ 1042.282859] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1042.282859] to free 124kB on behalf of 'syz-execprog' (2156) because [ 1042.282859] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1042.282859] Free memory is -13556kB above reserved [ 1043.292867] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1043.292867] to free 124kB on behalf of 'udevd' (470) because [ 1043.292867] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1043.292867] Free memory is -13556kB above reserved [ 1043.292878] lowmemorykiller: Killing 'syz-executor.4' (2327) (tgid 2324), adj 1000, [ 1043.292878] to free 124kB on behalf of 'syz-executor.2' (2343) because [ 1043.292878] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 1043.292878] Free memory is -13556kB above reserved [ 1043.958105] syz-executor.1: page allocation stalls for 270010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1043.958115] CPU: 1 PID: 2175 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1043.958130] ffff8801c98df7c0 ffffffff81b42e79 1ffff1003931befa ffff8801ca2daf80 [ 1043.958140] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c98df908 [ 1043.958150] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1043.958151] Call Trace: [ 1043.958166] [] dump_stack+0xc1/0x128 [ 1043.958175] [] warn_alloc.cold.31+0x7f/0x9c [ 1043.958185] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1043.958193] [] ? shrink_node+0x740/0x740 [ 1043.958202] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1043.958211] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1043.958220] [] ? check_preemption_disabled+0x3b/0x200 [ 1043.958227] [] ? find_get_entry+0x11a/0x570 [ 1043.958234] [] ? find_get_entry+0x141/0x570 [ 1043.958241] [] ? page_cache_prev_hole+0x80/0x80 [ 1043.958249] [] ? pagecache_get_page+0x131/0x710 [ 1043.958256] [] filemap_fault+0xaf1/0x1110 [ 1043.958271] [] ext4_filemap_fault+0x71/0xa0 [ 1043.958278] [] __do_fault+0x223/0x500 [ 1043.958285] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1043.958293] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1043.958300] [] handle_mm_fault+0x1326/0x2350 [ 1043.958307] [] ? vm_insert_page+0x6f0/0x6f0 [ 1043.958317] [] __do_page_fault+0x403/0xa60 [ 1043.958325] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1043.958335] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1043.958342] [] do_page_fault+0x27/0x30 [ 1043.958350] [] page_fault+0x25/0x30 [ 1043.958354] Mem-Info: [ 1043.958371] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1043.958371] active_file:6 inactive_file:25 isolated_file:0 [ 1043.958371] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1043.958371] slab_reclaimable:4624 slab_unreclaimable:56994 [ 1043.958371] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1043.958371] free:5987 free_pcp:75 free_cma:0 [ 1043.958384] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1043.958403] DMA32 free:18572kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:532kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1043.958429] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:180kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1043.958485] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 16*32kB (UME) 13*64kB (UME) 4*128kB (ME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18572kB Normal: 164*4kB (UMH) 45*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5368kB 80 total pagecache pages [ 1043.958533] 0 pages in swap cache [ 1043.958537] Swap cache stats: add 0, delete 0, find 0/0 [ 1043.958539] Free swap = 0kB [ 1043.958541] Total swap = 0kB [ 1043.958543] 1965979 pages RAM [ 1043.958546] 0 pages HighMem/MovableOnly [ 1043.958548] 313617 pages reserved [ 1043.960116] syz-execprog: page allocation stalls for 270010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1043.960123] CPU: 0 PID: 2171 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1043.960135] ffff8801c9a1f7c0 ffffffff81b42e79 1ffff10039343efa ffff8801ca2c2f80 [ 1043.960145] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9a1f908 [ 1043.960155] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1043.960156] Call Trace: [ 1043.960165] [] dump_stack+0xc1/0x128 [ 1043.960173] [] warn_alloc.cold.31+0x7f/0x9c [ 1043.960180] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1043.960188] [] ? shrink_node+0x740/0x740 [ 1043.960197] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1043.960205] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1043.960213] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1043.960222] [] ? radix_tree_lookup_slot+0x85/0xc0 ** 26 printk messages dropped ** [ 1043.960452] lowmem_reserve[]: 0 0 0 [ 1043.960498] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 16*32kB (UME) 13*64kB (UME) 4*128kB (ME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18572kB Normal: 164*4kB (UMH) 45*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5368kB 80 total pagecache pages [ 1043.960545] 0 pages in swap cache [ 1043.960549] Swap cache stats: add 0, delete 0, find 0/0 [ 1043.960551] Free swap = 0kB [ 1043.960553] Total swap = 0kB [ 1043.960556] 1965979 pages RAM [ 1043.960558] 0 pages HighMem/MovableOnly [ 1043.960560] 313617 pages reserved [ 1043.967352] rsyslogd: page allocation stalls for 270050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1043.967359] CPU: 0 PID: 1894 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 1043.967370] ffff8801d31777c0 ffffffff81b42e79 1ffff1003a62eefa ffff8801d3db5f00 [ 1043.967380] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3177908 [ 1043.967390] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1043.967392] Call Trace: [ 1043.967400] [] dump_stack+0xc1/0x128 [ 1043.967408] [] warn_alloc.cold.31+0x7f/0x9c [ 1043.967416] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1043.967424] [] ? shrink_node+0x740/0x740 [ 1043.967432] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1043.967441] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1043.967449] [] ? check_preemption_disabled+0x3b/0x200 [ 1043.967456] [] ? find_get_entry+0x11a/0x570 [ 1043.967463] [] ? find_get_entry+0x141/0x570 [ 1043.967471] [] ? page_cache_prev_hole+0x80/0x80 [ 1043.967478] [] ? autoremove_wake_function+0x40/0x40 [ 1043.967485] [] ? pagecache_get_page+0x131/0x710 [ 1043.967493] [] filemap_fault+0xaf1/0x1110 [ 1043.967500] [] ext4_filemap_fault+0x71/0xa0 [ 1043.967507] [] __do_fault+0x223/0x500 [ 1043.967514] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1043.967522] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1043.967529] [] handle_mm_fault+0x1326/0x2350 [ 1043.967536] [] ? vm_insert_page+0x6f0/0x6f0 [ 1043.967544] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1043.967552] [] __do_page_fault+0x403/0xa60 [ 1043.967560] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1043.967568] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1043.967575] [] do_page_fault+0x27/0x30 [ 1043.967582] [] page_fault+0x25/0x30 [ 1043.967585] Mem-Info: [ 1043.967600] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1043.967600] active_file:6 inactive_file:25 isolated_file:0 [ 1043.967600] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1043.967600] slab_reclaimable:4624 slab_unreclaimable:56994 [ 1043.967600] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1043.967600] free:5987 free_pcp:75 free_cma:0 [ 1043.967613] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1043.967631] DMA32 free:18572kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:532kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1043.967656] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:180kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1043.967710] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 16*32kB (UME) 13*64kB (UME) 4*128kB (ME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18572kB Normal: 164*4kB (UMH) 45*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5368kB 80 total pagecache pages [ 1043.967758] 0 pages in swap cache [ 1043.967766] Swap cache stats: add 0, delete 0, find 0/0 [ 1043.967768] Free swap = 0kB [ 1043.967770] Total swap = 0kB [ 1043.967773] 1965979 pages RAM [ 1043.967775] 0 pages HighMem/MovableOnly [ 1043.967777] 313617 pages reserved [ 1043.968549] syz-execprog: page allocation stalls for 270040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1043.968556] CPU: 0 PID: 2154 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1043.968567] ffff8801c9db77c0 ffffffff81b42e79 1ffff100393b6efa ffff8801c9df0000 [ 1043.968577] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9db7908 [ 1043.968587] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1043.968589] Call Trace: [ 1043.968598] [] dump_stack+0xc1/0x128 [ 1043.968605] [] warn_alloc.cold.31+0x7f/0x9c [ 1043.968613] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1043.968621] [] ? shrink_node+0x740/0x740 [ 1043.968630] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1043.968638] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1043.968646] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1043.968653] [] ? find_get_entry+0x11a/0x570 [ 1043.968660] [] ? find_get_entry+0x141/0x570 [ 1043.968667] [] ? page_cache_prev_hole+0x80/0x80 [ 1043.968675] [] ? autoremove_wake_function+0x40/0x40 [ 1043.968682] [] ? pagecache_get_page+0x131/0x710 [ 1043.968690] [] filemap_fault+0xaf1/0x1110 [ 1043.968697] [] ext4_filemap_fault+0x71/0xa0 [ 1043.968704] [] __do_fault+0x223/0x500 [ 1043.968711] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1043.968719] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1043.968726] [] handle_mm_fault+0x1326/0x2350 [ 1043.968734] [] ? poll_select_set_timeout+0xb5/0x120 [ 1043.968741] [] ? vm_insert_page+0x6f0/0x6f0 [ 1043.968748] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1043.968756] [] __do_page_fault+0x403/0xa60 [ 1043.968767] [] ? __fget_light+0x169/0x1f0 [ 1043.968775] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1043.968783] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1043.968790] [] do_page_fault+0x27/0x30 [ 1043.968797] [] page_fault+0x25/0x30 [ 1043.968800] Mem-Info: [ 1043.968815] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 1043.968815] active_file:6 inactive_file:25 isolated_file:0 [ 1043.968815] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1043.968815] slab_reclaimable:4624 slab_unreclaimable:56994 [ 1043.968815] mapped:4 shmem:48 pagetables:377 bounce:0 [ 1043.968815] free:5987 free_pcp:75 free_cma:0 [ 1043.968827] Node 0 active_anon:20320kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1043.968844] DMA32 free:18572kB min:4696kB low:7712kB high:10728kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:532kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1043.968870] Normal free:5376kB min:5580kB low:9168kB high:12756kB active_anon:20228kB inactive_anon:164kB active_file:24kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:227444kB kernel_stack:3840kB pagetables:1508kB bounce:0kB free_pcp:180kB local_pcp:76kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1043.968924] DMA32: 23*4kB (UM) 28*8kB (M) 17*16kB (UM) 16*32kB (UME) 13*64kB (UME) 4*128kB (ME) 5*256kB (ME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18572kB Normal: 164*4kB (UMH) 45*8kB (MH) 36*16kB (MH) 24*32kB (UMH) 21*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 5368kB 80 total pagecache pages [ 1043.968971] 0 pages in swap cache [ 1043.968975] Swap cache stats: add 0, delete 0, find 0/0 [ 1043.968977] Free swap = 0kB [ 1043.968979] Total swap = 0kB [ 1043.968981] 1965979 pages RAM [ 1043.968983] 0 pages HighMem/MovableOnly [ 1043.968985] 313617 pages reserved [ 1044.018593] syz-execprog: page allocation stalls for 270030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1044.018601] CPU: 0 PID: 2168 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1044.018614] ffff8801ca2cf7c0 ffffffff81b42e79 1ffff10039459efa ffff8801ca2c0000 [ 1044.018624] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca2cf908 [ 1044.018634] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1044.018636] Call Trace: [ 1044.018648] [] dump_stack+0xc1/0x128 [ 1044.018657] [] warn_alloc.cold.31+0x7f/0x9c [ 1044.018665] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1044.018673] [] ? shrink_node+0x740/0x740 [ 1044.018682] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1044.018690] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1044.018698] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1044.018706] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1044.018713] [] ? find_get_entry+0x11a/0x570 [ 1044.018720] [] ? find_get_entry+0x141/0x570 [ 1044.018727] [] ? page_cache_prev_hole+0x80/0x80 [ 1044.018735] [] ? autoremove_wake_function+0x40/0x40 [ 1044.018742] [] ? pagecache_get_page+0x131/0x710 [ 1044.018749] [] filemap_fault+0xaf1/0x1110 [ 1044.018758] [] ext4_filemap_fault+0x71/0xa0 [ 1044.018769] [] __do_fault+0x223/0x500 [ 1044.018776] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1044.018783] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1044.018791] [] handle_mm_fault+0x1326/0x2350 [ 1044.018798] [] ? vm_insert_page+0x6f0/0x6f0 [ 1044.018804] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 1 printk messages dropped ** [ 1044.018821] [] __do_page_fault+0x403/0xa60 ** 94 printk messages dropped ** [ 1044.363718] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1044.363725] [] handle_mm_fault+0x1326/0x2350 [ 1044.363733] [] ? vm_insert_page+0x6f0/0x6f0 [ 1044.363739] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1044.363747] [] __do_page_fault+0x403/0xa60